diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
61 files changed, 6449 insertions, 5197 deletions
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index ae08498dfcad..2fe62730dddd 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -1,6 +1,6 @@ config IWLWIFI tristate "Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi) " - depends on PCI && MAC80211 + depends on PCI && MAC80211 && HAS_IOMEM select FW_LOADER select NEW_LEDS select LEDS_CLASS @@ -127,3 +127,12 @@ config IWLWIFI_P2P support when it is loaded. Say Y only if you want to experiment with P2P. + +config IWLWIFI_EXPERIMENTAL_MFP + bool "support MFP (802.11w) even if uCode doesn't advertise" + depends on IWLWIFI + help + This option enables experimental MFP (802.11W) support + even if the microcode doesn't advertise it. + + Say Y only if you want to experiment with MFP. diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile index 9dc84a7354db..85d163ed3db1 100644 --- a/drivers/net/wireless/iwlwifi/Makefile +++ b/drivers/net/wireless/iwlwifi/Makefile @@ -1,7 +1,7 @@ # WIFI obj-$(CONFIG_IWLWIFI) += iwlwifi.o iwlwifi-objs := iwl-agn.o iwl-agn-rs.o iwl-mac80211.o -iwlwifi-objs += iwl-ucode.o iwl-agn-tx.o +iwlwifi-objs += iwl-ucode.o iwl-agn-tx.o iwl-debug.o iwlwifi-objs += iwl-agn-lib.o iwl-agn-calib.o iwl-io.o iwlwifi-objs += iwl-agn-tt.o iwl-agn-sta.o iwl-agn-rx.o @@ -13,7 +13,8 @@ iwlwifi-objs += iwl-6000.o iwlwifi-objs += iwl-1000.o iwlwifi-objs += iwl-2000.o iwlwifi-objs += iwl-pci.o -iwlwifi-objs += iwl-trans.o +iwlwifi-objs += iwl-drv.o +iwlwifi-objs += iwl-notif-wait.o iwlwifi-objs += iwl-trans-pcie.o iwl-trans-pcie-rx.o iwl-trans-pcie-tx.o iwlwifi-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index 1ef7bfc2ab25..5b0d888f746b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -43,6 +43,7 @@ #include "iwl-agn-hw.h" #include "iwl-shared.h" #include "iwl-cfg.h" +#include "iwl-prph.h" /* Highest firmware API version supported */ #define IWL1000_UCODE_API_MAX 6 @@ -84,20 +85,19 @@ static void iwl1000_set_ct_threshold(struct iwl_priv *priv) static void iwl1000_nic_config(struct iwl_priv *priv) { /* set CSR_HW_CONFIG_REG for uCode use */ - iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, + iwl_set_bit(trans(priv), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); /* Setting digital SVR for 1000 card to 1.32V */ /* locking is acquired in iwl_set_bits_mask_prph() function */ - iwl_set_bits_mask_prph(bus(priv), APMG_DIGITAL_SVR_REG, + iwl_set_bits_mask_prph(trans(priv), APMG_DIGITAL_SVR_REG, APMG_SVR_DIGITAL_VOLTAGE_1_32, ~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK); } -static struct iwl_sensitivity_ranges iwl1000_sensitivity = { +static const struct iwl_sensitivity_ranges iwl1000_sensitivity = { .min_nrg_cck = 95, - .max_nrg_cck = 0, /* not used, set to 0 */ .auto_corr_min_ofdm = 90, .auto_corr_min_ofdm_mrc = 170, .auto_corr_min_ofdm_x1 = 120, @@ -120,36 +120,22 @@ static struct iwl_sensitivity_ranges iwl1000_sensitivity = { .nrg_th_cca = 62, }; -static int iwl1000_hw_set_hw_params(struct iwl_priv *priv) +static void iwl1000_hw_set_hw_params(struct iwl_priv *priv) { - if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES && - iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES) - cfg(priv)->base_params->num_of_queues = - iwlagn_mod_params.num_of_queues; - - hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues; - priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; - - hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE; - hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE; - hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ); - hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant); + hw_params(priv).tx_chains_num = + num_of_ant(hw_params(priv).valid_tx_ant); if (cfg(priv)->rx_with_siso_diversity) hw_params(priv).rx_chains_num = 1; else hw_params(priv).rx_chains_num = - num_of_ant(cfg(priv)->valid_rx_ant); - hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant; - hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant; + num_of_ant(hw_params(priv).valid_rx_ant); iwl1000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ hw_params(priv).sens = &iwl1000_sensitivity; - - return 0; } static struct iwl_lib_ops iwl1000_lib = { @@ -169,7 +155,7 @@ static struct iwl_lib_ops iwl1000_lib = { .temperature = iwlagn_temperature, }; -static struct iwl_base_params iwl1000_base_params = { +static const struct iwl_base_params iwl1000_base_params = { .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, .eeprom_size = OTP_LOW_IMAGE_SIZE, @@ -184,7 +170,8 @@ static struct iwl_base_params iwl1000_base_params = { .max_event_log_size = 128, .wd_disable = true, }; -static struct iwl_ht_params iwl1000_ht_params = { + +static const struct iwl_ht_params iwl1000_ht_params = { .ht_greenfield_support = true, .use_rts_for_aggregation = true, /* use rts/cts protection */ .smps_mode = IEEE80211_SMPS_DYNAMIC, @@ -195,19 +182,21 @@ static struct iwl_ht_params iwl1000_ht_params = { .ucode_api_max = IWL1000_UCODE_API_MAX, \ .ucode_api_ok = IWL1000_UCODE_API_OK, \ .ucode_api_min = IWL1000_UCODE_API_MIN, \ + .max_inst_size = IWLAGN_RTC_INST_SIZE, \ + .max_data_size = IWLAGN_RTC_DATA_SIZE, \ .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \ .lib = &iwl1000_lib, \ .base_params = &iwl1000_base_params, \ .led_mode = IWL_LED_BLINK -struct iwl_cfg iwl1000_bgn_cfg = { +const struct iwl_cfg iwl1000_bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 1000 BGN", IWL_DEVICE_1000, .ht_params = &iwl1000_ht_params, }; -struct iwl_cfg iwl1000_bg_cfg = { +const struct iwl_cfg iwl1000_bg_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 1000 BG", IWL_DEVICE_1000, }; @@ -217,6 +206,8 @@ struct iwl_cfg iwl1000_bg_cfg = { .ucode_api_max = IWL100_UCODE_API_MAX, \ .ucode_api_ok = IWL100_UCODE_API_OK, \ .ucode_api_min = IWL100_UCODE_API_MIN, \ + .max_inst_size = IWLAGN_RTC_INST_SIZE, \ + .max_data_size = IWLAGN_RTC_DATA_SIZE, \ .eeprom_ver = EEPROM_1000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION, \ .lib = &iwl1000_lib, \ @@ -224,13 +215,13 @@ struct iwl_cfg iwl1000_bg_cfg = { .led_mode = IWL_LED_RF_STATE, \ .rx_with_siso_diversity = true -struct iwl_cfg iwl100_bgn_cfg = { +const struct iwl_cfg iwl100_bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 100 BGN", IWL_DEVICE_100, .ht_params = &iwl1000_ht_params, }; -struct iwl_cfg iwl100_bg_cfg = { +const struct iwl_cfg iwl100_bg_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 100 BG", IWL_DEVICE_100, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-2000.c b/drivers/net/wireless/iwlwifi/iwl-2000.c index 094693328dbb..5635b9e2c69e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-2000.c +++ b/drivers/net/wireless/iwlwifi/iwl-2000.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -87,13 +87,12 @@ static void iwl2000_nic_config(struct iwl_priv *priv) iwl_rf_config(priv); if (cfg(priv)->iq_invert) - iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG, + iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER); } -static struct iwl_sensitivity_ranges iwl2000_sensitivity = { +static const struct iwl_sensitivity_ranges iwl2000_sensitivity = { .min_nrg_cck = 97, - .max_nrg_cck = 0, /* not used, set to 0 */ .auto_corr_min_ofdm = 80, .auto_corr_min_ofdm_mrc = 128, .auto_corr_min_ofdm_x1 = 105, @@ -116,36 +115,22 @@ static struct iwl_sensitivity_ranges iwl2000_sensitivity = { .nrg_th_cca = 62, }; -static int iwl2000_hw_set_hw_params(struct iwl_priv *priv) +static void iwl2000_hw_set_hw_params(struct iwl_priv *priv) { - if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES && - iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES) - cfg(priv)->base_params->num_of_queues = - iwlagn_mod_params.num_of_queues; - - hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues; - priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; - - hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE; - hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE; - hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ); - hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant); + hw_params(priv).tx_chains_num = + num_of_ant(hw_params(priv).valid_tx_ant); if (cfg(priv)->rx_with_siso_diversity) hw_params(priv).rx_chains_num = 1; else hw_params(priv).rx_chains_num = - num_of_ant(cfg(priv)->valid_rx_ant); - hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant; - hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant; + num_of_ant(hw_params(priv).valid_rx_ant); iwl2000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ hw_params(priv).sens = &iwl2000_sensitivity; - - return 0; } static struct iwl_lib_ops iwl2000_lib = { @@ -161,16 +146,13 @@ static struct iwl_lib_ops iwl2000_lib = { EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REGULATORY_BAND_NO_HT40, }, - .update_enhanced_txpower = iwl_eeprom_enhanced_txpower, + .enhanced_txpower = true, }, .temperature = iwlagn_temperature, }; static struct iwl_lib_ops iwl2030_lib = { .set_hw_params = iwl2000_hw_set_hw_params, - .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup, - .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work, - .cancel_deferred_work = iwlagn_bt_cancel_deferred_work, .nic_config = iwl2000_nic_config, .eeprom_ops = { .regulatory_bands = { @@ -182,12 +164,12 @@ static struct iwl_lib_ops iwl2030_lib = { EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REGULATORY_BAND_NO_HT40, }, - .update_enhanced_txpower = iwl_eeprom_enhanced_txpower, + .enhanced_txpower = true, }, .temperature = iwlagn_temperature, }; -static struct iwl_base_params iwl2000_base_params = { +static const struct iwl_base_params iwl2000_base_params = { .eeprom_size = OTP_LOW_IMAGE_SIZE, .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, @@ -206,7 +188,7 @@ static struct iwl_base_params iwl2000_base_params = { }; -static struct iwl_base_params iwl2030_base_params = { +static const struct iwl_base_params iwl2030_base_params = { .eeprom_size = OTP_LOW_IMAGE_SIZE, .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, @@ -224,12 +206,12 @@ static struct iwl_base_params iwl2030_base_params = { .hd_v2 = true, }; -static struct iwl_ht_params iwl2000_ht_params = { +static const struct iwl_ht_params iwl2000_ht_params = { .ht_greenfield_support = true, .use_rts_for_aggregation = true, /* use rts/cts protection */ }; -static struct iwl_bt_params iwl2030_bt_params = { +static const struct iwl_bt_params iwl2030_bt_params = { /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ .advanced_bt_coexist = true, .agg_time_limit = BT_AGG_THRESHOLD_DEF, @@ -244,6 +226,8 @@ static struct iwl_bt_params iwl2030_bt_params = { .ucode_api_max = IWL2000_UCODE_API_MAX, \ .ucode_api_ok = IWL2000_UCODE_API_OK, \ .ucode_api_min = IWL2000_UCODE_API_MIN, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .lib = &iwl2000_lib, \ @@ -253,13 +237,13 @@ static struct iwl_bt_params iwl2030_bt_params = { .led_mode = IWL_LED_RF_STATE, \ .iq_invert = true \ -struct iwl_cfg iwl2000_2bgn_cfg = { +const struct iwl_cfg iwl2000_2bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 2200 BGN", IWL_DEVICE_2000, .ht_params = &iwl2000_ht_params, }; -struct iwl_cfg iwl2000_2bgn_d_cfg = { +const struct iwl_cfg iwl2000_2bgn_d_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 2200D BGN", IWL_DEVICE_2000, .ht_params = &iwl2000_ht_params, @@ -270,6 +254,8 @@ struct iwl_cfg iwl2000_2bgn_d_cfg = { .ucode_api_max = IWL2030_UCODE_API_MAX, \ .ucode_api_ok = IWL2030_UCODE_API_OK, \ .ucode_api_min = IWL2030_UCODE_API_MIN, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .lib = &iwl2030_lib, \ @@ -281,7 +267,7 @@ struct iwl_cfg iwl2000_2bgn_d_cfg = { .adv_pm = true, \ .iq_invert = true \ -struct iwl_cfg iwl2030_2bgn_cfg = { +const struct iwl_cfg iwl2030_2bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 2230 BGN", IWL_DEVICE_2030, .ht_params = &iwl2000_ht_params, @@ -292,6 +278,8 @@ struct iwl_cfg iwl2030_2bgn_cfg = { .ucode_api_max = IWL105_UCODE_API_MAX, \ .ucode_api_ok = IWL105_UCODE_API_OK, \ .ucode_api_min = IWL105_UCODE_API_MIN, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .lib = &iwl2000_lib, \ @@ -303,13 +291,13 @@ struct iwl_cfg iwl2030_2bgn_cfg = { .rx_with_siso_diversity = true, \ .iq_invert = true \ -struct iwl_cfg iwl105_bgn_cfg = { +const struct iwl_cfg iwl105_bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 105 BGN", IWL_DEVICE_105, .ht_params = &iwl2000_ht_params, }; -struct iwl_cfg iwl105_bgn_d_cfg = { +const struct iwl_cfg iwl105_bgn_d_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 105D BGN", IWL_DEVICE_105, .ht_params = &iwl2000_ht_params, @@ -320,6 +308,8 @@ struct iwl_cfg iwl105_bgn_d_cfg = { .ucode_api_max = IWL135_UCODE_API_MAX, \ .ucode_api_ok = IWL135_UCODE_API_OK, \ .ucode_api_min = IWL135_UCODE_API_MIN, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ .eeprom_ver = EEPROM_2000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_2000_TX_POWER_VERSION, \ .lib = &iwl2030_lib, \ @@ -332,7 +322,7 @@ struct iwl_cfg iwl105_bgn_d_cfg = { .rx_with_siso_diversity = true, \ .iq_invert = true \ -struct iwl_cfg iwl135_bgn_cfg = { +const struct iwl_cfg iwl135_bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 135 BGN", IWL_DEVICE_135, .ht_params = &iwl2000_ht_params, diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index b3a365fea7bb..a805e97b89af 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -45,6 +45,7 @@ #include "iwl-trans.h" #include "iwl-shared.h" #include "iwl-cfg.h" +#include "iwl-prph.h" /* Highest firmware API version supported */ #define IWL5000_UCODE_API_MAX 5 @@ -63,27 +64,19 @@ /* NIC configuration for 5000 series */ static void iwl5000_nic_config(struct iwl_priv *priv) { - unsigned long flags; - iwl_rf_config(priv); - spin_lock_irqsave(&priv->shrd->lock, flags); - /* W/A : NIC is stuck in a reset state after Early PCIe power off * (PCIe power is lost before PERST# is asserted), * causing ME FW to lose ownership and not being able to obtain it back. */ - iwl_set_bits_mask_prph(bus(priv), APMG_PS_CTRL_REG, + iwl_set_bits_mask_prph(trans(priv), APMG_PS_CTRL_REG, APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); - - - spin_unlock_irqrestore(&priv->shrd->lock, flags); } -static struct iwl_sensitivity_ranges iwl5000_sensitivity = { +static const struct iwl_sensitivity_ranges iwl5000_sensitivity = { .min_nrg_cck = 100, - .max_nrg_cck = 0, /* not used, set to 0 */ .auto_corr_min_ofdm = 90, .auto_corr_min_ofdm_mrc = 170, .auto_corr_min_ofdm_x1 = 105, @@ -108,7 +101,6 @@ static struct iwl_sensitivity_ranges iwl5000_sensitivity = { static struct iwl_sensitivity_ranges iwl5150_sensitivity = { .min_nrg_cck = 95, - .max_nrg_cck = 0, /* not used, set to 0 */ .auto_corr_min_ofdm = 90, .auto_corr_min_ofdm_mrc = 170, .auto_corr_min_ofdm_x1 = 105, @@ -162,62 +154,36 @@ static void iwl5000_set_ct_threshold(struct iwl_priv *priv) hw_params(priv).ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY; } -static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) +static void iwl5000_hw_set_hw_params(struct iwl_priv *priv) { - if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES && - iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES) - cfg(priv)->base_params->num_of_queues = - iwlagn_mod_params.num_of_queues; - - hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues; - priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; - - hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE; - hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE; - hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant); - hw_params(priv).rx_chains_num = num_of_ant(cfg(priv)->valid_rx_ant); - hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant; - hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant; + hw_params(priv).tx_chains_num = + num_of_ant(hw_params(priv).valid_tx_ant); + hw_params(priv).rx_chains_num = + num_of_ant(hw_params(priv).valid_rx_ant); iwl5000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ hw_params(priv).sens = &iwl5000_sensitivity; - - return 0; } -static int iwl5150_hw_set_hw_params(struct iwl_priv *priv) +static void iwl5150_hw_set_hw_params(struct iwl_priv *priv) { - if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES && - iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES) - cfg(priv)->base_params->num_of_queues = - iwlagn_mod_params.num_of_queues; - - hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues; - priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; - - hw_params(priv).max_data_size = IWLAGN_RTC_DATA_SIZE; - hw_params(priv).max_inst_size = IWLAGN_RTC_INST_SIZE; - hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant); - hw_params(priv).rx_chains_num = num_of_ant(cfg(priv)->valid_rx_ant); - hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant; - hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant; + hw_params(priv).tx_chains_num = + num_of_ant(hw_params(priv).valid_tx_ant); + hw_params(priv).rx_chains_num = + num_of_ant(hw_params(priv).valid_rx_ant); iwl5150_set_ct_threshold(priv); /* Set initial sensitivity parameters */ hw_params(priv).sens = &iwl5150_sensitivity; - - return 0; } static void iwl5150_temperature(struct iwl_priv *priv) @@ -300,7 +266,7 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv, return -EFAULT; } - return iwl_trans_send_cmd(trans(priv), &hcmd); + return iwl_dvm_send_cmd(priv, &hcmd); } static struct iwl_lib_ops iwl5000_lib = { @@ -339,7 +305,7 @@ static struct iwl_lib_ops iwl5150_lib = { .temperature = iwl5150_temperature, }; -static struct iwl_base_params iwl5000_base_params = { +static const struct iwl_base_params iwl5000_base_params = { .eeprom_size = IWLAGN_EEPROM_IMG_SIZE, .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, @@ -352,7 +318,8 @@ static struct iwl_base_params iwl5000_base_params = { .no_idle_support = true, .wd_disable = true, }; -static struct iwl_ht_params iwl5000_ht_params = { + +static const struct iwl_ht_params iwl5000_ht_params = { .ht_greenfield_support = true, }; @@ -360,13 +327,15 @@ static struct iwl_ht_params iwl5000_ht_params = { .fw_name_pre = IWL5000_FW_PRE, \ .ucode_api_max = IWL5000_UCODE_API_MAX, \ .ucode_api_min = IWL5000_UCODE_API_MIN, \ + .max_inst_size = IWLAGN_RTC_INST_SIZE, \ + .max_data_size = IWLAGN_RTC_DATA_SIZE, \ .eeprom_ver = EEPROM_5000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, \ .lib = &iwl5000_lib, \ .base_params = &iwl5000_base_params, \ .led_mode = IWL_LED_BLINK -struct iwl_cfg iwl5300_agn_cfg = { +const struct iwl_cfg iwl5300_agn_cfg = { .name = "Intel(R) Ultimate N WiFi Link 5300 AGN", IWL_DEVICE_5000, /* at least EEPROM 0x11A has wrong info */ @@ -375,7 +344,7 @@ struct iwl_cfg iwl5300_agn_cfg = { .ht_params = &iwl5000_ht_params, }; -struct iwl_cfg iwl5100_bgn_cfg = { +const struct iwl_cfg iwl5100_bgn_cfg = { .name = "Intel(R) WiFi Link 5100 BGN", IWL_DEVICE_5000, .valid_tx_ant = ANT_B, /* .cfg overwrite */ @@ -383,14 +352,14 @@ struct iwl_cfg iwl5100_bgn_cfg = { .ht_params = &iwl5000_ht_params, }; -struct iwl_cfg iwl5100_abg_cfg = { +const struct iwl_cfg iwl5100_abg_cfg = { .name = "Intel(R) WiFi Link 5100 ABG", IWL_DEVICE_5000, .valid_tx_ant = ANT_B, /* .cfg overwrite */ .valid_rx_ant = ANT_AB, /* .cfg overwrite */ }; -struct iwl_cfg iwl5100_agn_cfg = { +const struct iwl_cfg iwl5100_agn_cfg = { .name = "Intel(R) WiFi Link 5100 AGN", IWL_DEVICE_5000, .valid_tx_ant = ANT_B, /* .cfg overwrite */ @@ -398,11 +367,13 @@ struct iwl_cfg iwl5100_agn_cfg = { .ht_params = &iwl5000_ht_params, }; -struct iwl_cfg iwl5350_agn_cfg = { +const struct iwl_cfg iwl5350_agn_cfg = { .name = "Intel(R) WiMAX/WiFi Link 5350 AGN", .fw_name_pre = IWL5000_FW_PRE, .ucode_api_max = IWL5000_UCODE_API_MAX, .ucode_api_min = IWL5000_UCODE_API_MIN, + .max_inst_size = IWLAGN_RTC_INST_SIZE, + .max_data_size = IWLAGN_RTC_DATA_SIZE, .eeprom_ver = EEPROM_5050_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, .lib = &iwl5000_lib, @@ -416,6 +387,8 @@ struct iwl_cfg iwl5350_agn_cfg = { .fw_name_pre = IWL5150_FW_PRE, \ .ucode_api_max = IWL5150_UCODE_API_MAX, \ .ucode_api_min = IWL5150_UCODE_API_MIN, \ + .max_inst_size = IWLAGN_RTC_INST_SIZE, \ + .max_data_size = IWLAGN_RTC_DATA_SIZE, \ .eeprom_ver = EEPROM_5050_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION, \ .lib = &iwl5150_lib, \ @@ -424,14 +397,14 @@ struct iwl_cfg iwl5350_agn_cfg = { .led_mode = IWL_LED_BLINK, \ .internal_wimax_coex = true -struct iwl_cfg iwl5150_agn_cfg = { +const struct iwl_cfg iwl5150_agn_cfg = { .name = "Intel(R) WiMAX/WiFi Link 5150 AGN", IWL_DEVICE_5150, .ht_params = &iwl5000_ht_params, }; -struct iwl_cfg iwl5150_abg_cfg = { +const struct iwl_cfg iwl5150_abg_cfg = { .name = "Intel(R) WiMAX/WiFi Link 5150 ABG", IWL_DEVICE_5150, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 54b753399e6e..64060cd738b5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -82,7 +82,7 @@ static void iwl6050_additional_nic_config(struct iwl_priv *priv) { /* Indicate calibration version to uCode. */ if (iwl_eeprom_calib_version(priv->shrd) >= 6) - iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG, + iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6); } @@ -90,31 +90,31 @@ static void iwl6150_additional_nic_config(struct iwl_priv *priv) { /* Indicate calibration version to uCode. */ if (iwl_eeprom_calib_version(priv->shrd) >= 6) - iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG, + iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_CALIB_VERSION6); - iwl_set_bit(bus(priv), CSR_GP_DRIVER_REG, + iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG, CSR_GP_DRIVER_REG_BIT_6050_1x2); } +static void iwl6000i_additional_nic_config(struct iwl_priv *priv) +{ + /* 2x2 IPA phy type */ + iwl_write32(trans(priv), CSR_GP_DRIVER_REG, + CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA); +} + /* NIC configuration for 6000 series */ static void iwl6000_nic_config(struct iwl_priv *priv) { iwl_rf_config(priv); - /* no locking required for register write */ - if (cfg(priv)->pa_type == IWL_PA_INTERNAL) { - /* 2x2 IPA phy type */ - iwl_write32(bus(priv), CSR_GP_DRIVER_REG, - CSR_GP_DRIVER_REG_BIT_RADIO_SKU_2x2_IPA); - } /* do additional nic configuration if needed */ if (cfg(priv)->additional_nic_config) - cfg(priv)->additional_nic_config(priv); + cfg(priv)->additional_nic_config(priv); } -static struct iwl_sensitivity_ranges iwl6000_sensitivity = { +static const struct iwl_sensitivity_ranges iwl6000_sensitivity = { .min_nrg_cck = 110, - .max_nrg_cck = 0, /* not used, set to 0 */ .auto_corr_min_ofdm = 80, .auto_corr_min_ofdm_mrc = 128, .auto_corr_min_ofdm_x1 = 105, @@ -137,37 +137,24 @@ static struct iwl_sensitivity_ranges iwl6000_sensitivity = { .nrg_th_cca = 62, }; -static int iwl6000_hw_set_hw_params(struct iwl_priv *priv) +static void iwl6000_hw_set_hw_params(struct iwl_priv *priv) { - if (iwlagn_mod_params.num_of_queues >= IWL_MIN_NUM_QUEUES && - iwlagn_mod_params.num_of_queues <= IWLAGN_NUM_QUEUES) - cfg(priv)->base_params->num_of_queues = - iwlagn_mod_params.num_of_queues; - - hw_params(priv).max_txq_num = cfg(priv)->base_params->num_of_queues; - priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; - - hw_params(priv).max_data_size = IWL60_RTC_DATA_SIZE; - hw_params(priv).max_inst_size = IWL60_RTC_INST_SIZE; - hw_params(priv).ht40_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); - hw_params(priv).tx_chains_num = num_of_ant(cfg(priv)->valid_tx_ant); + hw_params(priv).tx_chains_num = + num_of_ant(hw_params(priv).valid_tx_ant); if (cfg(priv)->rx_with_siso_diversity) hw_params(priv).rx_chains_num = 1; else hw_params(priv).rx_chains_num = - num_of_ant(cfg(priv)->valid_rx_ant); - hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant; - hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant; + num_of_ant(hw_params(priv).valid_rx_ant); iwl6000_set_ct_threshold(priv); /* Set initial sensitivity parameters */ hw_params(priv).sens = &iwl6000_sensitivity; - return 0; } static int iwl6000_hw_channel_switch(struct iwl_priv *priv, @@ -238,7 +225,7 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv, return -EFAULT; } - return iwl_trans_send_cmd(trans(priv), &hcmd); + return iwl_dvm_send_cmd(priv, &hcmd); } static struct iwl_lib_ops iwl6000_lib = { @@ -255,16 +242,13 @@ static struct iwl_lib_ops iwl6000_lib = { EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REG_BAND_52_HT40_CHANNELS }, - .update_enhanced_txpower = iwl_eeprom_enhanced_txpower, + .enhanced_txpower = true, }, .temperature = iwlagn_temperature, }; static struct iwl_lib_ops iwl6030_lib = { .set_hw_params = iwl6000_hw_set_hw_params, - .bt_rx_handler_setup = iwlagn_bt_rx_handler_setup, - .bt_setup_deferred_work = iwlagn_bt_setup_deferred_work, - .cancel_deferred_work = iwlagn_bt_cancel_deferred_work, .set_channel_switch = iwl6000_hw_channel_switch, .nic_config = iwl6000_nic_config, .eeprom_ops = { @@ -277,12 +261,12 @@ static struct iwl_lib_ops iwl6030_lib = { EEPROM_6000_REG_BAND_24_HT40_CHANNELS, EEPROM_REG_BAND_52_HT40_CHANNELS }, - .update_enhanced_txpower = iwl_eeprom_enhanced_txpower, + .enhanced_txpower = true, }, .temperature = iwlagn_temperature, }; -static struct iwl_base_params iwl6000_base_params = { +static const struct iwl_base_params iwl6000_base_params = { .eeprom_size = OTP_LOW_IMAGE_SIZE, .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, @@ -299,7 +283,7 @@ static struct iwl_base_params iwl6000_base_params = { .shadow_reg_enable = true, }; -static struct iwl_base_params iwl6050_base_params = { +static const struct iwl_base_params iwl6050_base_params = { .eeprom_size = OTP_LOW_IMAGE_SIZE, .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, @@ -315,7 +299,8 @@ static struct iwl_base_params iwl6050_base_params = { .max_event_log_size = 1024, .shadow_reg_enable = true, }; -static struct iwl_base_params iwl6000_g2_base_params = { + +static const struct iwl_base_params iwl6000_g2_base_params = { .eeprom_size = OTP_LOW_IMAGE_SIZE, .num_of_queues = IWLAGN_NUM_QUEUES, .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, @@ -332,12 +317,12 @@ static struct iwl_base_params iwl6000_g2_base_params = { .shadow_reg_enable = true, }; -static struct iwl_ht_params iwl6000_ht_params = { +static const struct iwl_ht_params iwl6000_ht_params = { .ht_greenfield_support = true, .use_rts_for_aggregation = true, /* use rts/cts protection */ }; -static struct iwl_bt_params iwl6000_bt_params = { +static const struct iwl_bt_params iwl6000_bt_params = { /* Due to bluetooth, we transmit 2.4 GHz probes only on antenna A */ .advanced_bt_coexist = true, .agg_time_limit = BT_AGG_THRESHOLD_DEF, @@ -351,6 +336,8 @@ static struct iwl_bt_params iwl6000_bt_params = { .ucode_api_max = IWL6000G2_UCODE_API_MAX, \ .ucode_api_ok = IWL6000G2_UCODE_API_OK, \ .ucode_api_min = IWL6000G2_UCODE_API_MIN, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ .eeprom_ver = EEPROM_6005_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_6005_TX_POWER_VERSION, \ .lib = &iwl6000_lib, \ @@ -358,39 +345,53 @@ static struct iwl_bt_params iwl6000_bt_params = { .need_temp_offset_calib = true, \ .led_mode = IWL_LED_RF_STATE -struct iwl_cfg iwl6005_2agn_cfg = { +const struct iwl_cfg iwl6005_2agn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6205 AGN", IWL_DEVICE_6005, .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl6005_2abg_cfg = { +const struct iwl_cfg iwl6005_2abg_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6205 ABG", IWL_DEVICE_6005, }; -struct iwl_cfg iwl6005_2bg_cfg = { +const struct iwl_cfg iwl6005_2bg_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6205 BG", IWL_DEVICE_6005, }; -struct iwl_cfg iwl6005_2agn_sff_cfg = { +const struct iwl_cfg iwl6005_2agn_sff_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6205S AGN", IWL_DEVICE_6005, .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl6005_2agn_d_cfg = { +const struct iwl_cfg iwl6005_2agn_d_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6205D AGN", IWL_DEVICE_6005, .ht_params = &iwl6000_ht_params, }; +const struct iwl_cfg iwl6005_2agn_mow1_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6206 AGN", + IWL_DEVICE_6005, + .ht_params = &iwl6000_ht_params, +}; + +const struct iwl_cfg iwl6005_2agn_mow2_cfg = { + .name = "Intel(R) Centrino(R) Advanced-N 6207 AGN", + IWL_DEVICE_6005, + .ht_params = &iwl6000_ht_params, +}; + #define IWL_DEVICE_6030 \ .fw_name_pre = IWL6030_FW_PRE, \ .ucode_api_max = IWL6000G2_UCODE_API_MAX, \ .ucode_api_ok = IWL6000G2_UCODE_API_OK, \ .ucode_api_min = IWL6000G2_UCODE_API_MIN, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ .eeprom_ver = EEPROM_6030_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \ .lib = &iwl6030_lib, \ @@ -400,53 +401,53 @@ struct iwl_cfg iwl6005_2agn_d_cfg = { .led_mode = IWL_LED_RF_STATE, \ .adv_pm = true \ -struct iwl_cfg iwl6030_2agn_cfg = { +const struct iwl_cfg iwl6030_2agn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6230 AGN", IWL_DEVICE_6030, .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl6030_2abg_cfg = { +const struct iwl_cfg iwl6030_2abg_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6230 ABG", IWL_DEVICE_6030, }; -struct iwl_cfg iwl6030_2bgn_cfg = { +const struct iwl_cfg iwl6030_2bgn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6230 BGN", IWL_DEVICE_6030, .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl6030_2bg_cfg = { +const struct iwl_cfg iwl6030_2bg_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6230 BG", IWL_DEVICE_6030, }; -struct iwl_cfg iwl6035_2agn_cfg = { +const struct iwl_cfg iwl6035_2agn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6235 AGN", IWL_DEVICE_6030, .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl1030_bgn_cfg = { +const struct iwl_cfg iwl1030_bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 1030 BGN", IWL_DEVICE_6030, .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl1030_bg_cfg = { +const struct iwl_cfg iwl1030_bg_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 1030 BG", IWL_DEVICE_6030, }; -struct iwl_cfg iwl130_bgn_cfg = { +const struct iwl_cfg iwl130_bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 130 BGN", IWL_DEVICE_6030, .ht_params = &iwl6000_ht_params, .rx_with_siso_diversity = true, }; -struct iwl_cfg iwl130_bg_cfg = { +const struct iwl_cfg iwl130_bg_cfg = { .name = "Intel(R) Centrino(R) Wireless-N 130 BG", IWL_DEVICE_6030, .rx_with_siso_diversity = true, @@ -460,27 +461,29 @@ struct iwl_cfg iwl130_bg_cfg = { .ucode_api_max = IWL6000_UCODE_API_MAX, \ .ucode_api_ok = IWL6000_UCODE_API_OK, \ .ucode_api_min = IWL6000_UCODE_API_MIN, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ .valid_tx_ant = ANT_BC, /* .cfg overwrite */ \ .valid_rx_ant = ANT_BC, /* .cfg overwrite */ \ .eeprom_ver = EEPROM_6000_EEPROM_VERSION, \ .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, \ .lib = &iwl6000_lib, \ + .additional_nic_config = iwl6000i_additional_nic_config,\ .base_params = &iwl6000_base_params, \ - .pa_type = IWL_PA_INTERNAL, \ .led_mode = IWL_LED_BLINK -struct iwl_cfg iwl6000i_2agn_cfg = { +const struct iwl_cfg iwl6000i_2agn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6200 AGN", IWL_DEVICE_6000i, .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl6000i_2abg_cfg = { +const struct iwl_cfg iwl6000i_2abg_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6200 ABG", IWL_DEVICE_6000i, }; -struct iwl_cfg iwl6000i_2bg_cfg = { +const struct iwl_cfg iwl6000i_2bg_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6200 BG", IWL_DEVICE_6000i, }; @@ -489,6 +492,8 @@ struct iwl_cfg iwl6000i_2bg_cfg = { .fw_name_pre = IWL6050_FW_PRE, \ .ucode_api_max = IWL6050_UCODE_API_MAX, \ .ucode_api_min = IWL6050_UCODE_API_MIN, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ .valid_tx_ant = ANT_AB, /* .cfg overwrite */ \ .valid_rx_ant = ANT_AB, /* .cfg overwrite */ \ .lib = &iwl6000_lib, \ @@ -499,13 +504,13 @@ struct iwl_cfg iwl6000i_2bg_cfg = { .led_mode = IWL_LED_BLINK, \ .internal_wimax_coex = true -struct iwl_cfg iwl6050_2agn_cfg = { +const struct iwl_cfg iwl6050_2agn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 AGN", IWL_DEVICE_6050, .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl6050_2abg_cfg = { +const struct iwl_cfg iwl6050_2abg_cfg = { .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 ABG", IWL_DEVICE_6050, }; @@ -514,6 +519,8 @@ struct iwl_cfg iwl6050_2abg_cfg = { .fw_name_pre = IWL6050_FW_PRE, \ .ucode_api_max = IWL6050_UCODE_API_MAX, \ .ucode_api_min = IWL6050_UCODE_API_MIN, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ .lib = &iwl6000_lib, \ .additional_nic_config = iwl6150_additional_nic_config, \ .eeprom_ver = EEPROM_6150_EEPROM_VERSION, \ @@ -522,23 +529,25 @@ struct iwl_cfg iwl6050_2abg_cfg = { .led_mode = IWL_LED_BLINK, \ .internal_wimax_coex = true -struct iwl_cfg iwl6150_bgn_cfg = { +const struct iwl_cfg iwl6150_bgn_cfg = { .name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BGN", IWL_DEVICE_6150, .ht_params = &iwl6000_ht_params, }; -struct iwl_cfg iwl6150_bg_cfg = { +const struct iwl_cfg iwl6150_bg_cfg = { .name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BG", IWL_DEVICE_6150, }; -struct iwl_cfg iwl6000_3agn_cfg = { +const struct iwl_cfg iwl6000_3agn_cfg = { .name = "Intel(R) Centrino(R) Ultimate-N 6300 AGN", .fw_name_pre = IWL6000_FW_PRE, .ucode_api_max = IWL6000_UCODE_API_MAX, .ucode_api_ok = IWL6000_UCODE_API_OK, .ucode_api_min = IWL6000_UCODE_API_MIN, + .max_inst_size = IWL60_RTC_INST_SIZE, + .max_data_size = IWL60_RTC_DATA_SIZE, .eeprom_ver = EEPROM_6000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION, .lib = &iwl6000_lib, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c index 50ff849c9f67..84cbe7bb504c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -73,6 +73,14 @@ * INIT calibrations framework *****************************************************************************/ +/* Opaque calibration results */ +struct iwl_calib_result { + struct list_head list; + size_t cmd_len; + struct iwl_calib_hdr hdr; + /* data follows */ +}; + struct statistics_general_data { u32 beacon_silence_rssi_a; u32 beacon_silence_rssi_b; @@ -82,7 +90,7 @@ struct statistics_general_data { u32 beacon_energy_c; }; -int iwl_send_calib_results(struct iwl_trans *trans) +int iwl_send_calib_results(struct iwl_priv *priv) { struct iwl_host_cmd hcmd = { .id = REPLY_PHY_CALIBRATION_CMD, @@ -90,15 +98,15 @@ int iwl_send_calib_results(struct iwl_trans *trans) }; struct iwl_calib_result *res; - list_for_each_entry(res, &trans->calib_results, list) { + list_for_each_entry(res, &priv->calib_results, list) { int ret; hcmd.len[0] = res->cmd_len; hcmd.data[0] = &res->hdr; hcmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; - ret = iwl_trans_send_cmd(trans, &hcmd); + ret = iwl_dvm_send_cmd(priv, &hcmd); if (ret) { - IWL_ERR(trans, "Error %d on calib cmd %d\n", + IWL_ERR(priv, "Error %d on calib cmd %d\n", ret, res->hdr.op_code); return ret; } @@ -107,7 +115,7 @@ int iwl_send_calib_results(struct iwl_trans *trans) return 0; } -int iwl_calib_set(struct iwl_trans *trans, +int iwl_calib_set(struct iwl_priv *priv, const struct iwl_calib_hdr *cmd, int len) { struct iwl_calib_result *res, *tmp; @@ -119,7 +127,7 @@ int iwl_calib_set(struct iwl_trans *trans, memcpy(&res->hdr, cmd, len); res->cmd_len = len; - list_for_each_entry(tmp, &trans->calib_results, list) { + list_for_each_entry(tmp, &priv->calib_results, list) { if (tmp->hdr.op_code == res->hdr.op_code) { list_replace(&tmp->list, &res->list); kfree(tmp); @@ -128,16 +136,16 @@ int iwl_calib_set(struct iwl_trans *trans, } /* wasn't in list already */ - list_add_tail(&res->list, &trans->calib_results); + list_add_tail(&res->list, &priv->calib_results); return 0; } -void iwl_calib_free_results(struct iwl_trans *trans) +void iwl_calib_free_results(struct iwl_priv *priv) { struct iwl_calib_result *res, *tmp; - list_for_each_entry_safe(res, tmp, &trans->calib_results, list) { + list_for_each_entry_safe(res, tmp, &priv->calib_results, list) { list_del(&res->list); kfree(res); } @@ -492,7 +500,7 @@ static int iwl_sensitivity_write(struct iwl_priv *priv) memcpy(&(priv->sensitivity_tbl[0]), &(cmd.table[0]), sizeof(u16)*HD_TABLE_SIZE); - return iwl_trans_send_cmd(trans(priv), &cmd_out); + return iwl_dvm_send_cmd(priv, &cmd_out); } /* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */ @@ -581,7 +589,7 @@ static int iwl_enhance_sensitivity_write(struct iwl_priv *priv) &(cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX]), sizeof(u16)*ENHANCE_HD_TABLE_ENTRIES); - return iwl_trans_send_cmd(trans(priv), &cmd_out); + return iwl_dvm_send_cmd(priv, &cmd_out); } void iwl_init_sensitivity(struct iwl_priv *priv) @@ -634,7 +642,7 @@ void iwl_init_sensitivity(struct iwl_priv *priv) data->last_bad_plcp_cnt_cck = 0; data->last_fa_cnt_cck = 0; - if (priv->enhance_sensitivity_table) + if (priv->fw->enhance_sensitivity_table) ret |= iwl_enhance_sensitivity_write(priv); else ret |= iwl_sensitivity_write(priv); @@ -653,7 +661,6 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv) struct iwl_sensitivity_data *data = NULL; struct statistics_rx_non_phy *rx_info; struct statistics_rx_phy *ofdm, *cck; - unsigned long flags; struct statistics_general_data statis; if (priv->disable_sens_cal) @@ -666,13 +673,13 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv) return; } - spin_lock_irqsave(&priv->shrd->lock, flags); + spin_lock_bh(&priv->statistics.lock); rx_info = &priv->statistics.rx_non_phy; ofdm = &priv->statistics.rx_ofdm; cck = &priv->statistics.rx_cck; if (rx_info->interference_data_flag != INTERFERENCE_DATA_AVAILABLE) { IWL_DEBUG_CALIB(priv, "<< invalid data.\n"); - spin_unlock_irqrestore(&priv->shrd->lock, flags); + spin_unlock_bh(&priv->statistics.lock); return; } @@ -696,7 +703,7 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv) statis.beacon_energy_c = le32_to_cpu(rx_info->beacon_energy_c); - spin_unlock_irqrestore(&priv->shrd->lock, flags); + spin_unlock_bh(&priv->statistics.lock); IWL_DEBUG_CALIB(priv, "rx_enable_time = %u usecs\n", rx_enable_time); @@ -745,7 +752,7 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv) iwl_sens_auto_corr_ofdm(priv, norm_fa_ofdm, rx_enable_time); iwl_sens_energy_cck(priv, norm_fa_cck, rx_enable_time, &statis); - if (priv->enhance_sensitivity_table) + if (priv->fw->enhance_sensitivity_table) iwl_enhance_sensitivity_write(priv); else iwl_sensitivity_write(priv); @@ -847,7 +854,7 @@ static void iwl_find_disconn_antenna(struct iwl_priv *priv, u32* average_sig, * connect the first valid tx chain */ first_chain = - find_first_chain(cfg(priv)->valid_tx_ant); + find_first_chain(hw_params(priv).valid_tx_ant); data->disconn_array[first_chain] = 0; active_chains |= BIT(first_chain); IWL_DEBUG_CALIB(priv, @@ -872,10 +879,8 @@ static void iwl_find_disconn_antenna(struct iwl_priv *priv, u32* average_sig, } static void iwlagn_gain_computation(struct iwl_priv *priv, - u32 average_noise[NUM_RX_CHAINS], - u16 min_average_noise_antenna_i, - u32 min_average_noise, - u8 default_chain) + u32 average_noise[NUM_RX_CHAINS], + u8 default_chain) { int i; s32 delta_g; @@ -923,7 +928,7 @@ static void iwlagn_gain_computation(struct iwl_priv *priv, priv->phy_calib_chain_noise_gain_cmd); cmd.delta_gain_1 = data->delta_gain_code[1]; cmd.delta_gain_2 = data->delta_gain_code[2]; - iwl_trans_send_cmd_pdu(trans(priv), REPLY_PHY_CALIBRATION_CMD, + iwl_dvm_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD, CMD_ASYNC, sizeof(cmd), &cmd); data->radio_write = 1; @@ -956,7 +961,6 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv) u16 stat_chnum = INITIALIZATION_VALUE; u8 rxon_band24; u8 stat_band24; - unsigned long flags; struct statistics_rx_non_phy *rx_info; /* @@ -981,13 +985,13 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv) return; } - spin_lock_irqsave(&priv->shrd->lock, flags); + spin_lock_bh(&priv->statistics.lock); rx_info = &priv->statistics.rx_non_phy; if (rx_info->interference_data_flag != INTERFERENCE_DATA_AVAILABLE) { IWL_DEBUG_CALIB(priv, " << Interference data unavailable\n"); - spin_unlock_irqrestore(&priv->shrd->lock, flags); + spin_unlock_bh(&priv->statistics.lock); return; } @@ -1002,7 +1006,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv) if ((rxon_chnum != stat_chnum) || (rxon_band24 != stat_band24)) { IWL_DEBUG_CALIB(priv, "Stats not from chan=%d, band24=%d\n", rxon_chnum, rxon_band24); - spin_unlock_irqrestore(&priv->shrd->lock, flags); + spin_unlock_bh(&priv->statistics.lock); return; } @@ -1021,7 +1025,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv) chain_sig_b = le32_to_cpu(rx_info->beacon_rssi_b) & IN_BAND_FILTER; chain_sig_c = le32_to_cpu(rx_info->beacon_rssi_c) & IN_BAND_FILTER; - spin_unlock_irqrestore(&priv->shrd->lock, flags); + spin_unlock_bh(&priv->statistics.lock); data->beacon_count++; @@ -1081,8 +1085,7 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv) min_average_noise, min_average_noise_antenna_i); iwlagn_gain_computation(priv, average_noise, - min_average_noise_antenna_i, min_average_noise, - find_first_chain(cfg(priv)->valid_rx_ant)); + find_first_chain(hw_params(priv).valid_rx_ant)); /* Some power changes may have been made during the calibration. * Update and commit the RXON diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.h b/drivers/net/wireless/iwlwifi/iwl-agn-calib.h index 10275ce92bde..9ed6683314a7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h index 123ef5e129d5..d0ec0abd3c89 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-hw.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index ca78e91de86c..56f41c9409d1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -32,7 +32,6 @@ #include <linux/init.h> #include <linux/sched.h> -#include "iwl-wifi.h" #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" @@ -52,7 +51,7 @@ int iwlagn_send_tx_power(struct iwl_priv *priv) struct iwlagn_tx_power_dbm_cmd tx_power_cmd; u8 tx_ant_cfg_cmd; - if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->shrd->status), + if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->status), "TX Power requested while scanning!\n")) return -EAGAIN; @@ -77,17 +76,19 @@ int iwlagn_send_tx_power(struct iwl_priv *priv) tx_power_cmd.flags = IWLAGN_TX_POWER_NO_CLOSED; tx_power_cmd.srv_chan_lmt = IWLAGN_TX_POWER_AUTO; - if (IWL_UCODE_API(priv->ucode_ver) == 1) + if (IWL_UCODE_API(priv->fw->ucode_ver) == 1) tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD_V1; else tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD; - return iwl_trans_send_cmd_pdu(trans(priv), tx_ant_cfg_cmd, CMD_SYNC, + return iwl_dvm_send_cmd_pdu(priv, tx_ant_cfg_cmd, CMD_SYNC, sizeof(tx_power_cmd), &tx_power_cmd); } void iwlagn_temperature(struct iwl_priv *priv) { + lockdep_assert_held(&priv->statistics.lock); + /* store temperature from correct statistics (in Celsius) */ priv->temperature = le32_to_cpu(priv->statistics.common.temperature); iwl_tt_handler(priv); @@ -233,19 +234,19 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control) IWL_PAN_SCD_BK_MSK | IWL_PAN_SCD_MGMT_MSK | IWL_PAN_SCD_MULTICAST_MSK; - if (cfg(priv)->sku & EEPROM_SKU_CAP_11N_ENABLE) + if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE) flush_cmd.fifo_control |= IWL_AGG_TX_QUEUE_MSK; IWL_DEBUG_INFO(priv, "fifo queue control: 0X%x\n", flush_cmd.fifo_control); flush_cmd.flush_control = cpu_to_le16(flush_control); - return iwl_trans_send_cmd(trans(priv), &cmd); + return iwl_dvm_send_cmd(priv, &cmd); } void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control) { - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); ieee80211_stop_queues(priv->hw); if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { IWL_ERR(priv, "flush request fail\n"); @@ -255,7 +256,7 @@ void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control) iwl_trans_wait_tx_queue_empty(trans(priv)); done: ieee80211_wake_queues(priv->hw); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } /* @@ -434,12 +435,12 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv) if (cfg(priv)->bt_params->bt_session_2) { memcpy(&bt_cmd_2000.basic, &basic, sizeof(basic)); - ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_BT_CONFIG, + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG, CMD_SYNC, sizeof(bt_cmd_2000), &bt_cmd_2000); } else { memcpy(&bt_cmd_6000.basic, &basic, sizeof(basic)); - ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_BT_CONFIG, + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG, CMD_SYNC, sizeof(bt_cmd_6000), &bt_cmd_6000); } if (ret) @@ -452,7 +453,7 @@ void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena) struct iwl_rxon_context *ctx, *found_ctx = NULL; bool found_ap = false; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); /* Check whether AP or GO mode is active. */ if (rssi_ena) { @@ -565,7 +566,7 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work) break; } - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); /* * We can not send command to firmware while scanning. When the scan @@ -574,7 +575,7 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work) * STATUS_SCANNING to avoid race when queue_work two times from * different notifications, but quit and not perform any work at all. */ - if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) + if (test_bit(STATUS_SCAN_HW, &priv->status)) goto out; iwl_update_chain_flags(priv); @@ -593,7 +594,7 @@ static void iwlagn_bt_traffic_change_work(struct work_struct *work) */ iwlagn_bt_coex_rssi_monitor(priv); out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } /* @@ -700,17 +701,16 @@ static void iwlagn_set_kill_msk(struct iwl_priv *priv, priv->kill_cts_mask = bt_kill_cts_msg[kill_msk]; /* schedule to send runtime bt_config */ - queue_work(priv->shrd->workqueue, &priv->bt_runtime_config); + queue_work(priv->workqueue, &priv->bt_runtime_config); } } int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { - unsigned long flags; struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_bt_coex_profile_notif *coex = &pkt->u.bt_coex_profile_notif; + struct iwl_bt_coex_profile_notif *coex = (void *)pkt->data; struct iwl_bt_uart_msg *uart_msg = &coex->last_bt_uart_msg; if (priv->bt_enable_flag == IWLAGN_BT_FLAG_COEX_MODE_DISABLED) { @@ -745,7 +745,7 @@ int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, IWL_BT_COEX_TRAFFIC_LOAD_NONE; } priv->bt_status = coex->bt_status; - queue_work(priv->shrd->workqueue, + queue_work(priv->workqueue, &priv->bt_traffic_change_work); } } @@ -754,9 +754,7 @@ int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, /* FIXME: based on notification, adjust the prio_boost */ - spin_lock_irqsave(&priv->shrd->lock, flags); priv->bt_ci_compliance = coex->bt_ci_compliance; - spin_unlock_irqrestore(&priv->shrd->lock, flags); return 0; } @@ -959,7 +957,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, struct ieee80211_key_conf *key, void *_data) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct wowlan_key_data *data = _data; struct iwl_rxon_context *ctx = data->ctx; struct aes_sc *aes_sc, *aes_tx_sc = NULL; @@ -971,7 +969,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, u16 p1k[IWLAGN_P1K_SIZE]; int ret, i; - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 || key->cipher == WLAN_CIPHER_SUITE_WEP104) && @@ -1077,7 +1075,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, break; } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } int iwlagn_send_patterns(struct iwl_priv *priv, @@ -1117,13 +1115,12 @@ int iwlagn_send_patterns(struct iwl_priv *priv, } cmd.data[0] = pattern_cmd; - err = iwl_trans_send_cmd(trans(priv), &cmd); + err = iwl_dvm_send_cmd(priv, &cmd); kfree(pattern_cmd); return err; } -int iwlagn_suspend(struct iwl_priv *priv, - struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) +int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan) { struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd; struct iwl_rxon_cmd rxon; @@ -1192,11 +1189,12 @@ int iwlagn_suspend(struct iwl_priv *priv, memcpy(&rxon, &ctx->active, sizeof(rxon)); + priv->ucode_loaded = false; iwl_trans_stop_device(trans(priv)); - priv->shrd->wowlan = true; + priv->wowlan = true; - ret = iwl_load_ucode_wait_alive(trans(priv), IWL_UCODE_WOWLAN); + ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN); if (ret) goto out; @@ -1224,11 +1222,11 @@ int iwlagn_suspend(struct iwl_priv *priv, * constraints. Since we're in the suspend path * that isn't really a problem though. */ - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); ieee80211_iter_keys(priv->hw, ctx->vif, iwlagn_wowlan_program_keys, &key_data); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); if (key_data.error) { ret = -EIO; goto out; @@ -1243,13 +1241,13 @@ int iwlagn_suspend(struct iwl_priv *priv, .len[0] = sizeof(*key_data.rsc_tsc), }; - ret = iwl_trans_send_cmd(trans(priv), &rsc_tsc_cmd); + ret = iwl_dvm_send_cmd(priv, &rsc_tsc_cmd); if (ret) goto out; } if (key_data.use_tkip) { - ret = iwl_trans_send_cmd_pdu(trans(priv), + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_WOWLAN_TKIP_PARAMS, CMD_SYNC, sizeof(tkip_cmd), &tkip_cmd); @@ -1265,7 +1263,7 @@ int iwlagn_suspend(struct iwl_priv *priv, kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN); kek_kck_cmd.replay_ctr = priv->replay_ctr; - ret = iwl_trans_send_cmd_pdu(trans(priv), + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_WOWLAN_KEK_KCK_MATERIAL, CMD_SYNC, sizeof(kek_kck_cmd), &kek_kck_cmd); @@ -1274,12 +1272,12 @@ int iwlagn_suspend(struct iwl_priv *priv, } } - ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_D3_CONFIG, CMD_SYNC, + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_D3_CONFIG, CMD_SYNC, sizeof(d3_cfg_cmd), &d3_cfg_cmd); if (ret) goto out; - ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_WAKEUP_FILTER, + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_WOWLAN_WAKEUP_FILTER, CMD_SYNC, sizeof(wakeup_filter_cmd), &wakeup_filter_cmd); if (ret) @@ -1291,3 +1289,41 @@ int iwlagn_suspend(struct iwl_priv *priv, return ret; } #endif + +int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) +{ + if (iwl_is_rfkill(priv) || iwl_is_ctkill(priv)) { + IWL_WARN(priv, "Not sending command - %s KILL\n", + iwl_is_rfkill(priv) ? "RF" : "CT"); + return -EIO; + } + + /* + * Synchronous commands from this op-mode must hold + * the mutex, this ensures we don't try to send two + * (or more) synchronous commands at a time. + */ + if (cmd->flags & CMD_SYNC) + lockdep_assert_held(&priv->mutex); + + if (priv->ucode_owner == IWL_OWNERSHIP_TM && + !(cmd->flags & CMD_ON_DEMAND)) { + IWL_DEBUG_HC(priv, "tm own the uCode, no regular hcmd send\n"); + return -EIO; + } + + return iwl_trans_send_cmd(trans(priv), cmd); +} + +int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id, + u32 flags, u16 len, const void *data) +{ + struct iwl_host_cmd cmd = { + .id = id, + .len = { len, }, + .data = { data, }, + .flags = flags, + }; + + return iwl_dvm_send_cmd(priv, &cmd); +} diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 334b5ae8fdd4..53f8c51cfcdb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -38,6 +38,7 @@ #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-agn.h" +#include "iwl-op-mode.h" #define RS_NAME "iwl-agn-rs" @@ -869,19 +870,16 @@ static void rs_bt_update_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, { struct iwl_scale_tbl_info *tbl; bool full_concurrent = priv->bt_full_concurrent; - unsigned long flags; if (priv->bt_ant_couple_ok) { /* * Is there a need to switch between * full concurrency and 3-wire? */ - spin_lock_irqsave(&priv->shrd->lock, flags); if (priv->bt_ci_compliance && priv->bt_ant_couple_ok) full_concurrent = true; else full_concurrent = false; - spin_unlock_irqrestore(&priv->shrd->lock, flags); } if ((priv->bt_traffic_load != priv->last_bt_traffic_load) || (priv->bt_full_concurrent != full_concurrent)) { @@ -892,7 +890,7 @@ static void rs_bt_update_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, rs_fill_link_cmd(priv, lq_sta, tbl->current_rate); iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false); - queue_work(priv->shrd->workqueue, &priv->bt_full_concurrency); + queue_work(priv->workqueue, &priv->bt_full_concurrency); } } @@ -909,7 +907,8 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, struct iwl_lq_sta *lq_sta = priv_sta; struct iwl_link_quality_cmd *table; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - struct iwl_priv *priv = (struct iwl_priv *)priv_r; + struct iwl_op_mode *op_mode = (struct iwl_op_mode *)priv_r; + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); enum mac80211_rate_control_flags mac_flags; u32 tx_rate; @@ -2678,7 +2677,6 @@ out: * which requires station table entry to exist). */ static void rs_initialize_lq(struct iwl_priv *priv, - struct ieee80211_conf *conf, struct ieee80211_sta *sta, struct iwl_lq_sta *lq_sta) { @@ -2737,7 +2735,9 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta, struct sk_buff *skb = txrc->skb; struct ieee80211_supported_band *sband = txrc->sband; - struct iwl_priv *priv __maybe_unused = (struct iwl_priv *)priv_r; + struct iwl_op_mode *op_mode __maybe_unused = + (struct iwl_op_mode *)priv_r; + struct iwl_priv *priv __maybe_unused = IWL_OP_MODE_GET_DVM(op_mode); struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct iwl_lq_sta *lq_sta = priv_sta; int rate_idx; @@ -2805,9 +2805,10 @@ static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta, gfp_t gfp) { struct iwl_station_priv *sta_priv = (struct iwl_station_priv *) sta->drv_priv; - struct iwl_priv *priv; + struct iwl_op_mode *op_mode __maybe_unused = + (struct iwl_op_mode *)priv_rate; + struct iwl_priv *priv __maybe_unused = IWL_OP_MODE_GET_DVM(op_mode); - priv = (struct iwl_priv *)priv_rate; IWL_DEBUG_RATE(priv, "create station rate scale window\n"); return &sta_priv->lq_sta; @@ -2910,7 +2911,7 @@ void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_i lq_sta->dbg_fixed_rate = 0; #endif - rs_initialize_lq(priv, conf, sta, lq_sta); + rs_initialize_lq(priv, sta, lq_sta); } static void rs_fill_link_cmd(struct iwl_priv *priv, @@ -3074,7 +3075,8 @@ static void rs_free(void *priv_rate) static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta, void *priv_sta) { - struct iwl_priv *priv __maybe_unused = priv_r; + struct iwl_op_mode *op_mode __maybe_unused = priv_r; + struct iwl_priv *priv __maybe_unused = IWL_OP_MODE_GET_DVM(op_mode); IWL_DEBUG_RATE(priv, "enter\n"); IWL_DEBUG_RATE(priv, "leave\n"); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h index 6675b3c816d9..203b1c13c491 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c index b22b2976f899..44c6f712b77d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portionhelp of the ieee80211 subsystem header files. @@ -131,26 +131,27 @@ const char *get_cmd_string(u8 cmd) ******************************************************************************/ static int iwlagn_rx_reply_error(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_error_resp *err_resp = (void *)pkt->data; IWL_ERR(priv, "Error Reply type 0x%08X cmd %s (0x%02X) " "seq 0x%04X ser 0x%08X\n", - le32_to_cpu(pkt->u.err_resp.error_type), - get_cmd_string(pkt->u.err_resp.cmd_id), - pkt->u.err_resp.cmd_id, - le16_to_cpu(pkt->u.err_resp.bad_cmd_seq_num), - le32_to_cpu(pkt->u.err_resp.error_info)); + le32_to_cpu(err_resp->error_type), + get_cmd_string(err_resp->cmd_id), + err_resp->cmd_id, + le16_to_cpu(err_resp->bad_cmd_seq_num), + le32_to_cpu(err_resp->error_info)); return 0; } -static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, +static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_csa_notification *csa = &(pkt->u.csa_notif); + struct iwl_csa_notification *csa = (void *)pkt->data; /* * MULTI-FIXME * See iwlagn_mac_channel_switch. @@ -158,7 +159,7 @@ static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; struct iwl_rxon_cmd *rxon = (void *)&ctx->active; - if (!test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status)) + if (!test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) return 0; if (!le32_to_cpu(csa->status) && csa->channel == priv->switch_channel) { @@ -177,11 +178,11 @@ static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, static int iwlagn_rx_spectrum_measure_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_spectrum_notification *report = &(pkt->u.spectrum_notif); + struct iwl_spectrum_notification *report = (void *)pkt->data; if (!report->state) { IWL_DEBUG_11H(priv, @@ -195,12 +196,12 @@ static int iwlagn_rx_spectrum_measure_notif(struct iwl_priv *priv, } static int iwlagn_rx_pm_sleep_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { #ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_sleep_notification *sleep = &(pkt->u.sleep_notif); + struct iwl_sleep_notification *sleep = (void *)pkt->data; IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n", sleep->pm_sleep_mode, sleep->pm_wakeup_src); #endif @@ -208,7 +209,7 @@ static int iwlagn_rx_pm_sleep_notif(struct iwl_priv *priv, } static int iwlagn_rx_pm_debug_statistics_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -217,16 +218,16 @@ static int iwlagn_rx_pm_debug_statistics_notif(struct iwl_priv *priv, IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled " "notification for %s:\n", len, get_cmd_string(pkt->hdr.cmd)); - iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->u.raw, len); + iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->data, len); return 0; } static int iwlagn_rx_beacon_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwlagn_beacon_notif *beacon = (void *)pkt->u.raw; + struct iwlagn_beacon_notif *beacon = (void *)pkt->data; #ifdef CONFIG_IWLWIFI_DEBUG u16 status = le16_to_cpu(beacon->beacon_notify_hdr.status.status); u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags); @@ -266,6 +267,8 @@ static bool iwlagn_good_ack_health(struct iwl_priv *priv, if (priv->agg_tids_count) return true; + lockdep_assert_held(&priv->statistics.lock); + old = &priv->statistics.tx; actual_delta = le32_to_cpu(cur->actual_ack_cnt) - @@ -318,7 +321,7 @@ static bool iwlagn_good_plcp_health(struct iwl_priv *priv, unsigned int msecs) { int delta; - int threshold = cfg(priv)->base_params->plcp_delta_threshold; + int threshold = priv->plcp_delta_threshold; if (threshold == IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE) { IWL_DEBUG_RADIO(priv, "plcp_err check disabled\n"); @@ -352,7 +355,7 @@ static void iwlagn_recover_from_statistics(struct iwl_priv *priv, { unsigned int msecs; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; msecs = jiffies_to_msecs(stamp - priv->rx_statistics_jiffies); @@ -487,7 +490,7 @@ iwlagn_accumulative_statistics(struct iwl_priv *priv, #endif static int iwlagn_rx_statistics(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { unsigned long stamp = jiffies; @@ -509,9 +512,11 @@ static int iwlagn_rx_statistics(struct iwl_priv *priv, IWL_DEBUG_RX(priv, "Statistics notification received (%d bytes).\n", len); + spin_lock(&priv->statistics.lock); + if (len == sizeof(struct iwl_bt_notif_statistics)) { struct iwl_bt_notif_statistics *stats; - stats = &pkt->u.stats_bt; + stats = (void *)&pkt->data; flag = &stats->flag; common = &stats->general.common; rx_non_phy = &stats->rx.general.common; @@ -529,7 +534,7 @@ static int iwlagn_rx_statistics(struct iwl_priv *priv, #endif } else if (len == sizeof(struct iwl_notif_statistics)) { struct iwl_notif_statistics *stats; - stats = &pkt->u.stats; + stats = (void *)&pkt->data; flag = &stats->flag; common = &stats->general.common; rx_non_phy = &stats->rx.general; @@ -542,6 +547,7 @@ static int iwlagn_rx_statistics(struct iwl_priv *priv, WARN_ONCE(1, "len %d doesn't match BT (%zu) or normal (%zu)\n", len, sizeof(struct iwl_bt_notif_statistics), sizeof(struct iwl_notif_statistics)); + spin_unlock(&priv->statistics.lock); return 0; } @@ -569,7 +575,7 @@ static int iwlagn_rx_statistics(struct iwl_priv *priv, priv->rx_statistics_jiffies = stamp; - set_bit(STATUS_STATISTICS, &priv->shrd->status); + set_bit(STATUS_STATISTICS, &priv->status); /* Reschedule the statistics timer to occur in * reg_recalib_period seconds to ensure we get a @@ -578,23 +584,27 @@ static int iwlagn_rx_statistics(struct iwl_priv *priv, mod_timer(&priv->statistics_periodic, jiffies + msecs_to_jiffies(reg_recalib_period * 1000)); - if (unlikely(!test_bit(STATUS_SCANNING, &priv->shrd->status)) && + if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) && (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) { iwlagn_rx_calc_noise(priv); - queue_work(priv->shrd->workqueue, &priv->run_time_calib_work); + queue_work(priv->workqueue, &priv->run_time_calib_work); } if (cfg(priv)->lib->temperature && change) cfg(priv)->lib->temperature(priv); + + spin_unlock(&priv->statistics.lock); + return 0; } static int iwlagn_rx_reply_statistics(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_notif_statistics *stats = (void *)pkt->data; - if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) { + if (le32_to_cpu(stats->flag) & UCODE_STATISTICS_CLEAR_MSK) { #ifdef CONFIG_IWLWIFI_DEBUGFS memset(&priv->accum_stats, 0, sizeof(priv->accum_stats)); @@ -612,12 +622,13 @@ static int iwlagn_rx_reply_statistics(struct iwl_priv *priv, /* Handle notification from uCode that card's power state is changing * due to software, hardware, or critical temperature RFKILL */ static int iwlagn_rx_card_state_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags); - unsigned long status = priv->shrd->status; + struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; + u32 flags = le32_to_cpu(card_state_notif->flags); + unsigned long status = priv->status; IWL_DEBUG_RF_KILL(priv, "Card state received: HW:%s SW:%s CT:%s\n", (flags & HW_CARD_DISABLED) ? "Kill" : "On", @@ -628,16 +639,16 @@ static int iwlagn_rx_card_state_notif(struct iwl_priv *priv, if (flags & (SW_CARD_DISABLED | HW_CARD_DISABLED | CT_CARD_DISABLED)) { - iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, + iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_SET, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); - iwl_write_direct32(bus(priv), HBUS_TARG_MBX_C, + iwl_write_direct32(trans(priv), HBUS_TARG_MBX_C, HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED); if (!(flags & RXON_CARD_DISABLED)) { - iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, + iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); - iwl_write_direct32(bus(priv), HBUS_TARG_MBX_C, + iwl_write_direct32(trans(priv), HBUS_TARG_MBX_C, HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED); } if (flags & CT_CARD_DISABLED) @@ -647,32 +658,31 @@ static int iwlagn_rx_card_state_notif(struct iwl_priv *priv, iwl_tt_exit_ct_kill(priv); if (flags & HW_CARD_DISABLED) - set_bit(STATUS_RF_KILL_HW, &priv->shrd->status); + set_bit(STATUS_RF_KILL_HW, &priv->status); else - clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status); + clear_bit(STATUS_RF_KILL_HW, &priv->status); if (!(flags & RXON_CARD_DISABLED)) iwl_scan_cancel(priv); if ((test_bit(STATUS_RF_KILL_HW, &status) != - test_bit(STATUS_RF_KILL_HW, &priv->shrd->status))) + test_bit(STATUS_RF_KILL_HW, &priv->status))) wiphy_rfkill_set_hw_state(priv->hw->wiphy, - test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); + test_bit(STATUS_RF_KILL_HW, &priv->status)); else - wake_up(&priv->shrd->wait_command_queue); + wake_up(&trans(priv)->wait_command_queue); return 0; } static int iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_missed_beacon_notif *missed_beacon; + struct iwl_missed_beacon_notif *missed_beacon = (void *)pkt->data; - missed_beacon = &pkt->u.missed_beacon; if (le32_to_cpu(missed_beacon->consecutive_missed_beacons) > priv->missed_beacon_threshold) { IWL_DEBUG_CALIB(priv, @@ -681,7 +691,7 @@ static int iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv, le32_to_cpu(missed_beacon->total_missed_becons), le32_to_cpu(missed_beacon->num_recvd_beacons), le32_to_cpu(missed_beacon->num_expected_beacons)); - if (!test_bit(STATUS_SCANNING, &priv->shrd->status)) + if (!test_bit(STATUS_SCANNING, &priv->status)) iwl_init_sensitivity(priv); } return 0; @@ -690,13 +700,13 @@ static int iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv, /* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD). * This will be used later in iwl_rx_reply_rx() for REPLY_RX_MPDU_CMD. */ static int iwlagn_rx_reply_rx_phy(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); priv->last_phy_res_valid = true; - memcpy(&priv->last_phy_res, pkt->u.raw, + memcpy(&priv->last_phy_res, pkt->data, sizeof(struct iwl_rx_phy_res)); return 0; } @@ -757,12 +767,14 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv, struct ieee80211_hdr *hdr, u16 len, u32 ampdu_status, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct ieee80211_rx_status *stats) { struct sk_buff *skb; __le16 fc = hdr->frame_control; struct iwl_rxon_context *ctx; + struct page *p; + int offset; /* We only process data packets if the interface is open */ if (unlikely(!priv->is_open)) { @@ -782,7 +794,9 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv, return; } - skb_add_rx_frag(skb, 0, rxb->page, (void *)hdr - rxb_addr(rxb), len); + offset = (void *)hdr - rxb_addr(rxb); + p = rxb_steal_page(rxb); + skb_add_rx_frag(skb, 0, p, offset, len); iwl_update_stats(priv, false, fc, len); @@ -793,23 +807,18 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv, * sometimes even after already having transmitted frames for the * association because the new RXON may reset the information. */ - if (unlikely(ieee80211_is_beacon(fc))) { + if (unlikely(ieee80211_is_beacon(fc) && priv->passive_no_rx)) { for_each_context(priv, ctx) { - if (!ctx->last_tx_rejected) - continue; if (compare_ether_addr(hdr->addr3, ctx->active.bssid_addr)) continue; - ctx->last_tx_rejected = false; - iwl_trans_wake_any_queue(trans(priv), ctx->ctxid, - "channel got active"); + iwlagn_lift_passive_no_rx(priv); } } memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats)); ieee80211_rx(priv->hw, skb); - rxb->page = NULL; } static u32 iwlagn_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in) @@ -915,7 +924,7 @@ static int iwlagn_calc_rssi(struct iwl_priv *priv, /* Called for REPLY_RX (legacy ABG frames), or * REPLY_RX_MPDU_CMD (HT high-throughput N frames). */ static int iwlagn_rx_reply_rx(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct ieee80211_hdr *header; @@ -938,12 +947,12 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv, * received. */ if (pkt->hdr.cmd == REPLY_RX) { - phy_res = (struct iwl_rx_phy_res *)pkt->u.raw; - header = (struct ieee80211_hdr *)(pkt->u.raw + sizeof(*phy_res) + phy_res = (struct iwl_rx_phy_res *)pkt->data; + header = (struct ieee80211_hdr *)(pkt->data + sizeof(*phy_res) + phy_res->cfg_phy_cnt); len = le16_to_cpu(phy_res->byte_count); - rx_pkt_status = *(__le32 *)(pkt->u.raw + sizeof(*phy_res) + + rx_pkt_status = *(__le32 *)(pkt->data + sizeof(*phy_res) + phy_res->cfg_phy_cnt + len); ampdu_status = le32_to_cpu(rx_pkt_status); } else { @@ -952,10 +961,10 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv, return 0; } phy_res = &priv->last_phy_res; - amsdu = (struct iwl_rx_mpdu_res_start *)pkt->u.raw; - header = (struct ieee80211_hdr *)(pkt->u.raw + sizeof(*amsdu)); + amsdu = (struct iwl_rx_mpdu_res_start *)pkt->data; + header = (struct ieee80211_hdr *)(pkt->data + sizeof(*amsdu)); len = le16_to_cpu(amsdu->byte_count); - rx_pkt_status = *(__le32 *)(pkt->u.raw + sizeof(*amsdu) + len); + rx_pkt_status = *(__le32 *)(pkt->data + sizeof(*amsdu) + len); ampdu_status = iwlagn_translate_rx_status(priv, le32_to_cpu(rx_pkt_status)); } @@ -1035,12 +1044,12 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv, } static int iwlagn_rx_noa_notification(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_wipan_noa_data *new_data, *old_data; struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_wipan_noa_notification *noa_notif = (void *)pkt->u.raw; + struct iwl_wipan_noa_notification *noa_notif = (void *)pkt->data; /* no condition -- we're in softirq */ old_data = rcu_dereference_protected(priv->noa_data, true); @@ -1086,7 +1095,7 @@ static int iwlagn_rx_noa_notification(struct iwl_priv *priv, */ void iwl_setup_rx_handlers(struct iwl_priv *priv) { - int (**handlers)(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, + int (**handlers)(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd); handlers = priv->rx_handlers; @@ -1131,20 +1140,20 @@ void iwl_setup_rx_handlers(struct iwl_priv *priv) priv->rx_handlers[REPLY_TX] = iwlagn_rx_reply_tx; /* set up notification wait support */ - spin_lock_init(&priv->shrd->notif_wait_lock); - INIT_LIST_HEAD(&priv->shrd->notif_waits); - init_waitqueue_head(&priv->shrd->notif_waitq); + iwl_notification_wait_init(&priv->notif_wait); /* Set up BT Rx handlers */ - if (cfg(priv)->lib->bt_rx_handler_setup) - cfg(priv)->lib->bt_rx_handler_setup(priv); - + if (cfg(priv)->bt_params) + iwlagn_bt_rx_handler_setup(priv); } -int iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, - struct iwl_device_cmd *cmd) +int iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + void (*pre_rx_handler)(struct iwl_priv *, + struct iwl_rx_cmd_buffer *); int err = 0; /* @@ -1152,40 +1161,34 @@ int iwl_rx_dispatch(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, * even if the RX handler consumes the RXB we have * access to it in the notification wait entry. */ - if (!list_empty(&priv->shrd->notif_waits)) { - struct iwl_notification_wait *w; - - spin_lock(&priv->shrd->notif_wait_lock); - list_for_each_entry(w, &priv->shrd->notif_waits, list) { - if (w->cmd != pkt->hdr.cmd) - continue; + iwl_notification_wait_notify(&priv->notif_wait, pkt); + + /* RX data may be forwarded to userspace (using pre_rx_handler) in one + * of two cases: the first, that the user owns the uCode through + * testmode - in such case the pre_rx_handler is set and no further + * processing takes place. The other case is when the user want to + * monitor the rx w/o affecting the regular flow - the pre_rx_handler + * will be set but the ownership flag != IWL_OWNERSHIP_TM and the flow + * continues. + * We need to use ACCESS_ONCE to prevent a case where the handler + * changes between the check and the call. + */ + pre_rx_handler = ACCESS_ONCE(priv->pre_rx_handler); + if (pre_rx_handler) + pre_rx_handler(priv, rxb); + if (priv->ucode_owner != IWL_OWNERSHIP_TM) { + /* Based on type of command response or notification, + * handle those that need handling via function in + * rx_handlers table. See iwl_setup_rx_handlers() */ + if (priv->rx_handlers[pkt->hdr.cmd]) { + priv->rx_handlers_stats[pkt->hdr.cmd]++; + err = priv->rx_handlers[pkt->hdr.cmd] (priv, rxb, cmd); + } else { + /* No handling needed */ IWL_DEBUG_RX(priv, - "Notif: %s, 0x%02x - wake the callers up\n", - get_cmd_string(pkt->hdr.cmd), - pkt->hdr.cmd); - w->triggered = true; - if (w->fn) - w->fn(trans(priv), pkt, w->fn_data); + "No handler needed for %s, 0x%02x\n", + get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd); } - spin_unlock(&priv->shrd->notif_wait_lock); - - wake_up_all(&priv->shrd->notif_waitq); - } - - if (priv->pre_rx_handler) - priv->pre_rx_handler(priv, rxb); - - /* Based on type of command response or notification, - * handle those that need handling via function in - * rx_handlers table. See iwl_setup_rx_handlers() */ - if (priv->rx_handlers[pkt->hdr.cmd]) { - priv->rx_handlers_stats[pkt->hdr.cmd]++; - err = priv->rx_handlers[pkt->hdr.cmd] (priv, rxb, cmd); - } else { - /* No handling needed */ - IWL_DEBUG_RX(priv, - "No handler needed for %s, 0x%02x\n", - get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd); } return err; } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index 1c6659416621..2e1a31797a9e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -39,7 +39,7 @@ static int iwlagn_disable_bss(struct iwl_priv *priv, int ret; send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC, sizeof(*send), send); send->filter_flags = old_filter; @@ -60,13 +60,13 @@ static int iwlagn_disable_pan(struct iwl_priv *priv, u8 old_dev_type = send->dev_type; int ret; - iwl_init_notification_wait(priv->shrd, &disable_wait, - REPLY_WIPAN_DEACTIVATION_COMPLETE, - NULL, NULL); + iwl_init_notification_wait(&priv->notif_wait, &disable_wait, + REPLY_WIPAN_DEACTIVATION_COMPLETE, + NULL, NULL); send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; send->dev_type = RXON_DEV_TYPE_P2P; - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC, sizeof(*send), send); send->filter_flags = old_filter; @@ -74,9 +74,10 @@ static int iwlagn_disable_pan(struct iwl_priv *priv, if (ret) { IWL_ERR(priv, "Error disabling PAN (%d)\n", ret); - iwl_remove_notification(priv->shrd, &disable_wait); + iwl_remove_notification(&priv->notif_wait, &disable_wait); } else { - ret = iwl_wait_notification(priv->shrd, &disable_wait, HZ); + ret = iwl_wait_notification(&priv->notif_wait, + &disable_wait, HZ); if (ret) IWL_ERR(priv, "Timed out waiting for PAN disable\n"); } @@ -92,7 +93,7 @@ static int iwlagn_disconn_pan(struct iwl_priv *priv, int ret; send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC, sizeof(*send), send); send->filter_flags = old_filter; @@ -121,7 +122,7 @@ static void iwlagn_update_qos(struct iwl_priv *priv, ctx->qos_data.qos_active, ctx->qos_data.def_qos_parm.qos_flags); - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->qos_cmd, CMD_SYNC, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->qos_cmd, CMD_SYNC, sizeof(struct iwl_qosparam_cmd), &ctx->qos_data.def_qos_parm); if (ret) @@ -131,7 +132,7 @@ static void iwlagn_update_qos(struct iwl_priv *priv, static int iwlagn_update_beacon(struct iwl_priv *priv, struct ieee80211_vif *vif) { - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); dev_kfree_skb(priv->beacon_skb); priv->beacon_skb = ieee80211_beacon_get(priv->hw, vif); @@ -180,7 +181,7 @@ static int iwlagn_send_rxon_assoc(struct iwl_priv *priv, ctx->staging.ofdm_ht_triple_stream_basic_rates; rxon_assoc.acquisition_data = ctx->staging.acquisition_data; - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_assoc_cmd, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_assoc_cmd, CMD_ASYNC, sizeof(rxon_assoc), &rxon_assoc); return ret; } @@ -266,7 +267,7 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv, * Associated RXON doesn't clear the station table in uCode, * so we don't need to restore stations etc. after this. */ - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC, sizeof(struct iwl_rxon_cmd), &ctx->staging); if (ret) { IWL_ERR(priv, "Error setting new RXON (%d)\n", ret); @@ -274,8 +275,6 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv, } memcpy(active, &ctx->staging, sizeof(*active)); - iwl_reprogram_ap_sta(priv, ctx); - /* IBSS beacon needs to be sent after setting assoc */ if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_ADHOC)) if (iwlagn_update_beacon(priv, ctx->vif)) @@ -315,7 +314,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); ctx_bss = &priv->contexts[IWL_RXON_CTX_BSS]; ctx_pan = &priv->contexts[IWL_RXON_CTX_PAN]; @@ -362,7 +361,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) slot0 = bcnint / 2; slot1 = bcnint - slot0; - if (test_bit(STATUS_SCAN_HW, &priv->shrd->status) || + if (test_bit(STATUS_SCAN_HW, &priv->status) || (!ctx_bss->vif->bss_conf.idle && !ctx_bss->vif->bss_conf.assoc)) { slot0 = dtim * bcnint * 3 - IWL_MIN_SLOT_TIME; @@ -378,7 +377,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) ctx_pan->beacon_int; slot1 = max_t(int, DEFAULT_BEACON_INTERVAL, slot1); - if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { + if (test_bit(STATUS_SCAN_HW, &priv->status)) { slot0 = slot1 * 3 - IWL_MIN_SLOT_TIME; slot1 = IWL_MIN_SLOT_TIME; } @@ -387,7 +386,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) cmd.slots[0].width = cpu_to_le16(slot0); cmd.slots[1].width = cpu_to_le16(slot1); - ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WIPAN_PARAMS, CMD_SYNC, + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_WIPAN_PARAMS, CMD_SYNC, sizeof(cmd), &cmd); if (ret) IWL_ERR(priv, "Error setting PAN parameters (%d)\n", ret); @@ -420,12 +419,9 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) bool new_assoc = !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK); int ret; - lockdep_assert_held(&priv->shrd->mutex); - - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) - return -EINVAL; + lockdep_assert_held(&priv->mutex); - if (!iwl_is_alive(priv->shrd)) + if (!iwl_is_alive(priv)) return -EBUSY; /* This function hardcodes a bunch of dual-mode assumptions */ @@ -434,10 +430,6 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) if (!ctx->is_active) return 0; - /* override BSSID if necessary due to preauth */ - if (ctx->preauth_bssid) - memcpy(ctx->staging.bssid_addr, ctx->bssid, ETH_ALEN); - /* always get timestamp with Rx frame */ ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK; @@ -445,8 +437,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) * force CTS-to-self frames protection if RTS-CTS is not preferred * one aggregation protection method */ - if (!(cfg(priv)->ht_params && - cfg(priv)->ht_params->use_rts_for_aggregation)) + if (!hw_params(priv).use_rts_for_aggregation) ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) || @@ -466,7 +457,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) * receive commit_rxon request * abort any previous channel switch if still in process */ - if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status) && + if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status) && (priv->switch_channel != ctx->staging.channel)) { IWL_DEBUG_11H(priv, "abort channel switch on %d\n", le16_to_cpu(priv->switch_channel)); @@ -549,7 +540,7 @@ void iwlagn_config_ht40(struct ieee80211_conf *conf, int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_rxon_context *ctx; struct ieee80211_conf *conf = &hw->conf; struct ieee80211_channel *channel = conf->channel; @@ -558,17 +549,14 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) IWL_DEBUG_MAC80211(priv, "enter: changed %#x", changed); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) - goto out; - - if (unlikely(test_bit(STATUS_SCANNING, &priv->shrd->status))) { + if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) { IWL_DEBUG_MAC80211(priv, "leave - scanning\n"); goto out; } - if (!iwl_is_ready(priv->shrd)) { + if (!iwl_is_ready(priv)) { IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); goto out; } @@ -590,8 +578,6 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) } if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { - unsigned long flags; - ch_info = iwl_get_channel_info(priv, channel->band, channel->hw_value); if (!is_channel_valid(ch_info)) { @@ -600,8 +586,6 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) goto out; } - spin_lock_irqsave(&priv->shrd->lock, flags); - for_each_context(priv, ctx) { /* Configure HT40 channels */ if (ctx->ht.enabled != conf_is_ht(conf)) @@ -636,8 +620,6 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) ctx->vif); } - spin_unlock_irqrestore(&priv->shrd->lock, flags); - iwl_update_bcast_stations(priv); /* @@ -668,7 +650,7 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) iwlagn_commit_rxon(priv, ctx); } out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return ret; @@ -685,7 +667,7 @@ static void iwlagn_check_needed_chains(struct iwl_priv *priv, struct ieee80211_sta_ht_cap *ht_cap; bool need_multiple; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); switch (vif->type) { case NL80211_IFTYPE_STATION: @@ -789,7 +771,7 @@ static void iwlagn_chain_noise_reset(struct iwl_priv *priv) memset(&cmd, 0, sizeof(cmd)); iwl_set_calib_hdr(&cmd.hdr, priv->phy_calib_chain_noise_reset_cmd); - ret = iwl_trans_send_cmd_pdu(trans(priv), + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD, CMD_SYNC, sizeof(cmd), &cmd); if (ret) @@ -805,22 +787,22 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_bss_conf *bss_conf, u32 changes) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); int ret; bool force = false; - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); - if (unlikely(!iwl_is_ready(priv->shrd))) { + if (unlikely(!iwl_is_ready(priv))) { IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); return; } if (unlikely(!ctx->vif)) { IWL_DEBUG_MAC80211(priv, "leave - vif is NULL\n"); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); return; } @@ -840,7 +822,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, if (changes & BSS_CHANGED_ASSOC) { if (bss_conf->assoc) { - priv->timestamp = bss_conf->timestamp; + priv->timestamp = bss_conf->last_tsf; ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; } else { /* @@ -851,12 +833,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, * not get stuck in this case either since it * can happen if userspace gets confused. */ - if (ctx->last_tx_rejected) { - ctx->last_tx_rejected = false; - iwl_trans_wake_any_queue(trans(priv), - ctx->ctxid, - "Disassoc: flush queue"); - } + iwlagn_lift_passive_no_rx(priv); + ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; if (ctx->ctxid == IWL_RXON_CTX_BSS) @@ -900,6 +878,22 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, } } + /* + * If the ucode decides to do beacon filtering before + * association, it will lose beacons that are needed + * before sending frames out on passive channels. This + * causes association failures on those channels. Enable + * receiving beacons in such cases. + */ + + if (vif->type == NL80211_IFTYPE_STATION) { + if (!bss_conf->assoc) + ctx->staging.filter_flags |= RXON_FILTER_BCON_AWARE_MSK; + else + ctx->staging.filter_flags &= + ~RXON_FILTER_BCON_AWARE_MSK; + } + if (force || memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging))) iwlagn_commit_rxon(priv, ctx); @@ -916,7 +910,6 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, if (!priv->disable_chain_noise_cal) iwlagn_chain_noise_reset(priv); priv->start_calib = 1; - WARN_ON(ctx->preauth_bssid); } if (changes & BSS_CHANGED_IBSS) { @@ -934,7 +927,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, IWL_ERR(priv, "Error sending IBSS beacon\n"); } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } void iwlagn_post_scan(struct iwl_priv *priv) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c index e483cfa8d14e..c4175603864b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -26,7 +26,7 @@ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ - +#include <linux/etherdevice.h> #include <net/mac80211.h> #include "iwl-dev.h" @@ -34,10 +34,14 @@ #include "iwl-agn.h" #include "iwl-trans.h" -/* priv->shrd->sta_lock must be held */ -static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id) +static int iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id) { + lockdep_assert_held(&priv->sta_lock); + if (sta_id >= IWLAGN_STATION_COUNT) { + IWL_ERR(priv, "invalid sta_id %u", sta_id); + return -EINVAL; + } if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) IWL_ERR(priv, "ACTIVATE a non DRIVER active station id %u " "addr %pM\n", @@ -53,14 +57,15 @@ static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id) IWL_DEBUG_ASSOC(priv, "Added STA id %u addr %pM to uCode\n", sta_id, priv->stations[sta_id].sta.sta.addr); } + return 0; } static int iwl_process_add_sta_resp(struct iwl_priv *priv, struct iwl_addsta_cmd *addsta, struct iwl_rx_packet *pkt) { + struct iwl_add_sta_resp *add_sta_resp = (void *)pkt->data; u8 sta_id = addsta->sta.sta_id; - unsigned long flags; int ret = -EIO; if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { @@ -72,13 +77,12 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n", sta_id); - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock(&priv->sta_lock); - switch (pkt->u.add_sta.status) { + switch (add_sta_resp->status) { case ADD_STA_SUCCESS_MSK: IWL_DEBUG_INFO(priv, "REPLY_ADD_STA PASSED\n"); - iwl_sta_ucode_activate(priv, sta_id); - ret = 0; + ret = iwl_sta_ucode_activate(priv, sta_id); break; case ADD_STA_NO_ROOM_IN_TABLE: IWL_ERR(priv, "Adding station %d failed, no room in table.\n", @@ -94,7 +98,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, break; default: IWL_DEBUG_ASSOC(priv, "Received REPLY_ADD_STA:(0x%08X)\n", - pkt->u.add_sta.status); + add_sta_resp->status); break; } @@ -115,12 +119,12 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, priv->stations[sta_id].sta.mode == STA_CONTROL_MODIFY_MSK ? "Modified" : "Added", addsta->sta.addr); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock(&priv->sta_lock); return ret; } -int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, +int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -150,14 +154,14 @@ int iwl_send_add_sta(struct iwl_priv *priv, might_sleep(); } - ret = iwl_trans_send_cmd(trans(priv), &cmd); + ret = iwl_dvm_send_cmd(priv, &cmd); if (ret || (flags & CMD_ASYNC)) return ret; /*else the command was successfully sent in SYNC mode, need to free * the reply page */ - iwl_free_pages(priv->shrd, cmd.reply_page); + iwl_free_resp(&cmd); if (cmd.handler_status) IWL_ERR(priv, "%s - error in the CMD response %d", __func__, @@ -166,34 +170,38 @@ int iwl_send_add_sta(struct iwl_priv *priv, return cmd.handler_status; } -static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index, - struct ieee80211_sta *sta, - struct iwl_rxon_context *ctx) +static void iwl_sta_calc_ht_flags(struct iwl_priv *priv, + struct ieee80211_sta *sta, + struct iwl_rxon_context *ctx, + __le32 *flags, __le32 *mask) { struct ieee80211_sta_ht_cap *sta_ht_inf = &sta->ht_cap; - __le32 sta_flags; u8 mimo_ps_mode; + *mask = STA_FLG_RTS_MIMO_PROT_MSK | + STA_FLG_MIMO_DIS_MSK | + STA_FLG_HT40_EN_MSK | + STA_FLG_MAX_AGG_SIZE_MSK | + STA_FLG_AGG_MPDU_DENSITY_MSK; + *flags = 0; + if (!sta || !sta_ht_inf->ht_supported) - goto done; + return; mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2; - IWL_DEBUG_ASSOC(priv, "spatial multiplexing power save mode: %s\n", + + IWL_DEBUG_INFO(priv, "STA %pM SM PS mode: %s\n", (mimo_ps_mode == WLAN_HT_CAP_SM_PS_STATIC) ? "static" : (mimo_ps_mode == WLAN_HT_CAP_SM_PS_DYNAMIC) ? "dynamic" : "disabled"); - sta_flags = priv->stations[index].sta.station_flags; - - sta_flags &= ~(STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK); - switch (mimo_ps_mode) { case WLAN_HT_CAP_SM_PS_STATIC: - sta_flags |= STA_FLG_MIMO_DIS_MSK; + *flags |= STA_FLG_MIMO_DIS_MSK; break; case WLAN_HT_CAP_SM_PS_DYNAMIC: - sta_flags |= STA_FLG_RTS_MIMO_PROT_MSK; + *flags |= STA_FLG_RTS_MIMO_PROT_MSK; break; case WLAN_HT_CAP_SM_PS_DISABLED: break; @@ -202,20 +210,53 @@ static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index, break; } - sta_flags |= cpu_to_le32( - (u32)sta_ht_inf->ampdu_factor << STA_FLG_MAX_AGG_SIZE_POS); + *flags |= cpu_to_le32( + (u32)sta_ht_inf->ampdu_factor << STA_FLG_MAX_AGG_SIZE_POS); - sta_flags |= cpu_to_le32( - (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS); + *flags |= cpu_to_le32( + (u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS); if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap)) - sta_flags |= STA_FLG_HT40_EN_MSK; - else - sta_flags &= ~STA_FLG_HT40_EN_MSK; + *flags |= STA_FLG_HT40_EN_MSK; +} + +int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + struct ieee80211_sta *sta) +{ + u8 sta_id = iwl_sta_id(sta); + __le32 flags, mask; + struct iwl_addsta_cmd cmd; + + if (WARN_ON_ONCE(sta_id == IWL_INVALID_STATION)) + return -EINVAL; + + iwl_sta_calc_ht_flags(priv, sta, ctx, &flags, &mask); + + spin_lock_bh(&priv->sta_lock); + priv->stations[sta_id].sta.station_flags &= ~mask; + priv->stations[sta_id].sta.station_flags |= flags; + spin_unlock_bh(&priv->sta_lock); + + memset(&cmd, 0, sizeof(cmd)); + cmd.mode = STA_CONTROL_MODIFY_MSK; + cmd.station_flags_msk = mask; + cmd.station_flags = flags; + cmd.sta.sta_id = sta_id; + + return iwl_send_add_sta(priv, &cmd, CMD_SYNC); +} - priv->stations[index].sta.station_flags = sta_flags; - done: - return; +static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index, + struct ieee80211_sta *sta, + struct iwl_rxon_context *ctx) +{ + __le32 flags, mask; + + iwl_sta_calc_ht_flags(priv, sta, ctx, &flags, &mask); + + lockdep_assert_held(&priv->sta_lock); + priv->stations[index].sta.station_flags &= ~mask; + priv->stations[index].sta.station_flags |= flags; } /** @@ -314,18 +355,17 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, const u8 *addr, bool is_ap, struct ieee80211_sta *sta, u8 *sta_id_r) { - unsigned long flags_spin; int ret = 0; u8 sta_id; struct iwl_addsta_cmd sta_cmd; *sta_id_r = 0; - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + spin_lock_bh(&priv->sta_lock); sta_id = iwl_prep_station(priv, ctx, addr, is_ap, sta); if (sta_id == IWL_INVALID_STATION) { IWL_ERR(priv, "Unable to prepare station %pM for addition\n", addr); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + spin_unlock_bh(&priv->sta_lock); return -EINVAL; } @@ -337,7 +377,7 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, if (priv->stations[sta_id].used & IWL_STA_UCODE_INPROGRESS) { IWL_DEBUG_INFO(priv, "STA %d already in process of being " "added.\n", sta_id); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + spin_unlock_bh(&priv->sta_lock); return -EEXIST; } @@ -345,24 +385,24 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, (priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) { IWL_DEBUG_ASSOC(priv, "STA %d (%pM) already added, not " "adding again.\n", sta_id, addr); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + spin_unlock_bh(&priv->sta_lock); return -EEXIST; } priv->stations[sta_id].used |= IWL_STA_UCODE_INPROGRESS; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + spin_unlock_bh(&priv->sta_lock); /* Add station to device's station table */ ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); if (ret) { - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + spin_lock_bh(&priv->sta_lock); IWL_ERR(priv, "Adding station %pM failed.\n", priv->stations[sta_id].sta.sta.addr); priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + spin_unlock_bh(&priv->sta_lock); } *sta_id_r = sta_id; return ret; @@ -370,11 +410,11 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, /** * iwl_sta_ucode_deactivate - deactivate ucode status for a station - * - * priv->shrd->sta_lock must be held */ static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, u8 sta_id) { + lockdep_assert_held(&priv->sta_lock); + /* Ucode must be active and driver must be non active */ if ((priv->stations[sta_id].used & (IWL_STA_UCODE_ACTIVE | IWL_STA_DRIVER_ACTIVE)) != @@ -393,8 +433,6 @@ static int iwl_send_remove_station(struct iwl_priv *priv, { struct iwl_rx_packet *pkt; int ret; - - unsigned long flags_spin; struct iwl_rem_sta_cmd rm_sta_cmd; struct iwl_host_cmd cmd = { @@ -410,12 +448,12 @@ static int iwl_send_remove_station(struct iwl_priv *priv, cmd.flags |= CMD_WANT_SKB; - ret = iwl_trans_send_cmd(trans(priv), &cmd); + ret = iwl_dvm_send_cmd(priv, &cmd); if (ret) return ret; - pkt = (struct iwl_rx_packet *)cmd.reply_page; + pkt = cmd.resp_pkt; if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n", pkt->hdr.flags); @@ -423,14 +461,13 @@ static int iwl_send_remove_station(struct iwl_priv *priv, } if (!ret) { - switch (pkt->u.rem_sta.status) { + struct iwl_rem_sta_resp *rem_sta_resp = (void *)pkt->data; + switch (rem_sta_resp->status) { case REM_STA_SUCCESS_MSK: if (!temporary) { - spin_lock_irqsave(&priv->shrd->sta_lock, - flags_spin); + spin_lock_bh(&priv->sta_lock); iwl_sta_ucode_deactivate(priv, sta_id); - spin_unlock_irqrestore(&priv->shrd->sta_lock, - flags_spin); + spin_unlock_bh(&priv->sta_lock); } IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n"); break; @@ -440,7 +477,7 @@ static int iwl_send_remove_station(struct iwl_priv *priv, break; } } - iwl_free_pages(priv->shrd, cmd.reply_page); + iwl_free_resp(&cmd); return ret; } @@ -451,10 +488,9 @@ static int iwl_send_remove_station(struct iwl_priv *priv, int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, const u8 *addr) { - unsigned long flags; u8 tid; - if (!iwl_is_ready(priv->shrd)) { + if (!iwl_is_ready(priv)) { IWL_DEBUG_INFO(priv, "Unable to remove station %pM, device not ready.\n", addr); @@ -472,7 +508,7 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, if (WARN_ON(sta_id == IWL_INVALID_STATION)) return -EINVAL; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { IWL_DEBUG_INFO(priv, "Removing %pM but non DRIVER active\n", @@ -502,14 +538,49 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, if (WARN_ON(priv->num_stations < 0)) priv->num_stations = 0; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return iwl_send_remove_station(priv, addr, sta_id, false); out_err: - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return -EINVAL; } +void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id, + const u8 *addr) +{ + u8 tid; + + if (!iwl_is_ready(priv)) { + IWL_DEBUG_INFO(priv, + "Unable to remove station %pM, device not ready.\n", + addr); + return; + } + + IWL_DEBUG_ASSOC(priv, "Deactivating STA: %pM (%d)\n", addr, sta_id); + + if (WARN_ON_ONCE(sta_id == IWL_INVALID_STATION)) + return; + + spin_lock_bh(&priv->sta_lock); + + WARN_ON_ONCE(!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)); + + for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) + memset(&priv->tid_data[sta_id][tid], 0, + sizeof(priv->tid_data[sta_id][tid])); + + priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; + + priv->num_stations--; + + if (WARN_ON_ONCE(priv->num_stations < 0)) + priv->num_stations = 0; + + spin_unlock_bh(&priv->sta_lock); +} + /** * iwl_clear_ucode_stations - clear ucode station table bits * @@ -522,12 +593,11 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) { int i; - unsigned long flags_spin; bool cleared = false; IWL_DEBUG_INFO(priv, "Clearing ucode stations in driver\n"); - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + spin_lock_bh(&priv->sta_lock); for (i = 0; i < IWLAGN_STATION_COUNT; i++) { if (ctx && ctx->ctxid != priv->stations[i].ctxid) continue; @@ -539,7 +609,7 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv, cleared = true; } } - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + spin_unlock_bh(&priv->sta_lock); if (!cleared) IWL_DEBUG_INFO(priv, @@ -558,20 +628,19 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) { struct iwl_addsta_cmd sta_cmd; struct iwl_link_quality_cmd lq; - unsigned long flags_spin; int i; bool found = false; int ret; bool send_lq; - if (!iwl_is_ready(priv->shrd)) { + if (!iwl_is_ready(priv)) { IWL_DEBUG_INFO(priv, "Not ready yet, not restoring any stations.\n"); return; } IWL_DEBUG_ASSOC(priv, "Restoring all known stations ... start.\n"); - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + spin_lock_bh(&priv->sta_lock); for (i = 0; i < IWLAGN_STATION_COUNT; i++) { if (ctx->ctxid != priv->stations[i].ctxid) continue; @@ -591,27 +660,24 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) sizeof(struct iwl_addsta_cmd)); send_lq = false; if (priv->stations[i].lq) { - if (priv->shrd->wowlan) + if (priv->wowlan) iwl_sta_fill_lq(priv, ctx, i, &lq); else memcpy(&lq, priv->stations[i].lq, sizeof(struct iwl_link_quality_cmd)); send_lq = true; } - spin_unlock_irqrestore(&priv->shrd->sta_lock, - flags_spin); + spin_unlock_bh(&priv->sta_lock); ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); if (ret) { - spin_lock_irqsave(&priv->shrd->sta_lock, - flags_spin); + spin_lock_bh(&priv->sta_lock); IWL_ERR(priv, "Adding station %pM failed.\n", priv->stations[i].sta.sta.addr); priv->stations[i].used &= ~IWL_STA_DRIVER_ACTIVE; priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->shrd->sta_lock, - flags_spin); + spin_unlock_bh(&priv->sta_lock); } /* * Rate scaling has already been initialized, send @@ -620,12 +686,12 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) if (send_lq) iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true); - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + spin_lock_bh(&priv->sta_lock); priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; } } - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + spin_unlock_bh(&priv->sta_lock); if (!found) IWL_DEBUG_INFO(priv, "Restoring all known stations .... " "no stations to be restored.\n"); @@ -634,52 +700,6 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) "complete.\n"); } -void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) -{ - unsigned long flags; - int sta_id = ctx->ap_sta_id; - int ret; - struct iwl_addsta_cmd sta_cmd; - struct iwl_link_quality_cmd lq; - bool active, have_lq = false; - - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); - return; - } - - memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); - sta_cmd.mode = 0; - if (priv->stations[sta_id].lq) { - memcpy(&lq, priv->stations[sta_id].lq, sizeof(lq)); - have_lq = true; - } - - active = priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE; - priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); - - if (active) { - ret = iwl_send_remove_station( - priv, priv->stations[sta_id].sta.sta.addr, - sta_id, true); - if (ret) - IWL_ERR(priv, "failed to remove STA %pM (%d)\n", - priv->stations[sta_id].sta.sta.addr, ret); - } - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); - - ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); - if (ret) - IWL_ERR(priv, "failed to re-add STA %pM (%d)\n", - priv->stations[sta_id].sta.sta.addr, ret); - if (have_lq) - iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true); -} - int iwl_get_free_ucode_key_offset(struct iwl_priv *priv) { int i; @@ -693,10 +713,9 @@ int iwl_get_free_ucode_key_offset(struct iwl_priv *priv) void iwl_dealloc_bcast_stations(struct iwl_priv *priv) { - unsigned long flags; int i; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); for (i = 0; i < IWLAGN_STATION_COUNT; i++) { if (!(priv->stations[i].used & IWL_STA_BCAST)) continue; @@ -708,7 +727,7 @@ void iwl_dealloc_bcast_stations(struct iwl_priv *priv) kfree(priv->stations[i].lq); priv->stations[i].lq = NULL; } - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); } #ifdef CONFIG_IWLWIFI_DEBUG @@ -780,8 +799,6 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, struct iwl_link_quality_cmd *lq, u8 flags, bool init) { int ret = 0; - unsigned long flags_spin; - struct iwl_host_cmd cmd = { .id = REPLY_TX_LINK_QUALITY_CMD, .len = { sizeof(struct iwl_link_quality_cmd), }, @@ -793,19 +810,19 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, return -EINVAL; - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + spin_lock_bh(&priv->sta_lock); if (!(priv->stations[lq->sta_id].used & IWL_STA_DRIVER_ACTIVE)) { - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + spin_unlock_bh(&priv->sta_lock); return -EINVAL; } - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + spin_unlock_bh(&priv->sta_lock); iwl_dump_lq_cmd(priv, lq); if (WARN_ON(init && (cmd.flags & CMD_ASYNC))) return -EINVAL; if (is_lq_table_valid(priv, ctx, lq)) - ret = iwl_trans_send_cmd(trans(priv), &cmd); + ret = iwl_dvm_send_cmd(priv, &cmd); else ret = -EINVAL; @@ -816,9 +833,9 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, IWL_DEBUG_INFO(priv, "init LQ command complete, " "clearing sta addition status for sta %d\n", lq->sta_id); - spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); + spin_lock_bh(&priv->sta_lock); priv->stations[lq->sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); + spin_unlock_bh(&priv->sta_lock); } return ret; } @@ -831,7 +848,7 @@ void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, u32 rate_flags = 0; __le32 rate_n_flags; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); memset(link_cmd, 0, sizeof(*link_cmd)); @@ -903,7 +920,6 @@ int iwlagn_add_bssid_station(struct iwl_priv *priv, int ret; u8 sta_id; struct iwl_link_quality_cmd *link_cmd; - unsigned long flags; if (sta_id_r) *sta_id_r = IWL_INVALID_STATION; @@ -917,9 +933,9 @@ int iwlagn_add_bssid_station(struct iwl_priv *priv, if (sta_id_r) *sta_id_r = sta_id; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); priv->stations[sta_id].used |= IWL_STA_LOCAL; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); /* Set up default rate scaling table in device's station table */ link_cmd = iwl_sta_alloc_lq(priv, ctx, sta_id); @@ -934,9 +950,9 @@ int iwlagn_add_bssid_station(struct iwl_priv *priv, if (ret) IWL_ERR(priv, "Link quality command failed (%d)\n", ret); - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); priv->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return 0; } @@ -991,7 +1007,7 @@ static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, cmd.len[0] = cmd_size; if (not_empty || send_if_empty) - return iwl_trans_send_cmd(trans(priv), &cmd); + return iwl_dvm_send_cmd(priv, &cmd); else return 0; } @@ -999,7 +1015,7 @@ static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, int iwl_restore_default_wep_keys(struct iwl_priv *priv, struct iwl_rxon_context *ctx) { - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); return iwl_send_static_wepkey_cmd(priv, ctx, false); } @@ -1010,13 +1026,13 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv, { int ret; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); IWL_DEBUG_WEP(priv, "Removing default WEP key: idx=%d\n", keyconf->keyidx); memset(&ctx->wep_keys[keyconf->keyidx], 0, sizeof(ctx->wep_keys[0])); - if (iwl_is_rfkill(priv->shrd)) { + if (iwl_is_rfkill(priv)) { IWL_DEBUG_WEP(priv, "Not sending REPLY_WEPKEY command due to RFKILL.\n"); /* but keys in device are clear anyway so return success */ @@ -1035,7 +1051,7 @@ int iwl_set_default_wep_key(struct iwl_priv *priv, { int ret; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); if (keyconf->keylen != WEP_KEY_LEN_128 && keyconf->keylen != WEP_KEY_LEN_64) { @@ -1077,32 +1093,19 @@ static u8 iwlagn_key_sta_id(struct iwl_priv *priv, struct ieee80211_sta *sta) { struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; - u8 sta_id = IWL_INVALID_STATION; if (sta) - sta_id = iwl_sta_id(sta); + return iwl_sta_id(sta); /* * The device expects GTKs for station interfaces to be * installed as GTKs for the AP station. If we have no * station ID, then use the ap_sta_id in that case. */ - if (!sta && vif && vif_priv->ctx) { - switch (vif->type) { - case NL80211_IFTYPE_STATION: - sta_id = vif_priv->ctx->ap_sta_id; - break; - default: - /* - * In all other cases, the key will be - * used either for TX only or is bound - * to a station already. - */ - break; - } - } + if (vif->type == NL80211_IFTYPE_STATION && vif_priv->ctx) + return vif_priv->ctx->ap_sta_id; - return sta_id; + return IWL_INVALID_STATION; } static int iwlagn_send_sta_key(struct iwl_priv *priv, @@ -1110,14 +1113,13 @@ static int iwlagn_send_sta_key(struct iwl_priv *priv, u8 sta_id, u32 tkip_iv32, u16 *tkip_p1k, u32 cmd_flags) { - unsigned long flags; __le16 key_flags; struct iwl_addsta_cmd sta_cmd; int i; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); key_flags = cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS); key_flags |= STA_KEY_FLG_MAP_KEY_MSK; @@ -1184,7 +1186,6 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv, struct ieee80211_key_conf *keyconf, struct ieee80211_sta *sta) { - unsigned long flags; struct iwl_addsta_cmd sta_cmd; u8 sta_id = iwlagn_key_sta_id(priv, ctx->vif, sta); __le16 key_flags; @@ -1193,16 +1194,16 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv, if (sta_id == IWL_INVALID_STATION) return -ENOENT; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); if (!(priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) sta_id = IWL_INVALID_STATION; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); if (sta_id == IWL_INVALID_STATION) return 0; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); ctx->key_mapping_keys--; @@ -1242,7 +1243,7 @@ int iwl_set_dynamic_key(struct iwl_priv *priv, if (sta_id == IWL_INVALID_STATION) return -EINVAL; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); keyconf->hw_key_idx = iwl_get_free_ucode_key_offset(priv); if (keyconf->hw_key_idx == WEP_INVALID_OFFSET) @@ -1297,21 +1298,20 @@ int iwlagn_alloc_bcast_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx) { struct iwl_link_quality_cmd *link_cmd; - unsigned long flags; u8 sta_id; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); sta_id = iwl_prep_station(priv, ctx, iwl_bcast_addr, false, NULL); if (sta_id == IWL_INVALID_STATION) { IWL_ERR(priv, "Unable to prepare broadcast station\n"); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return -EINVAL; } priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE; priv->stations[sta_id].used |= IWL_STA_BCAST; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); link_cmd = iwl_sta_alloc_lq(priv, ctx, sta_id); if (!link_cmd) { @@ -1320,9 +1320,9 @@ int iwlagn_alloc_bcast_station(struct iwl_priv *priv, return -ENOMEM; } - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); priv->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return 0; } @@ -1336,7 +1336,6 @@ int iwlagn_alloc_bcast_station(struct iwl_priv *priv, int iwl_update_bcast_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx) { - unsigned long flags; struct iwl_link_quality_cmd *link_cmd; u8 sta_id = ctx->bcast_sta_id; @@ -1346,13 +1345,13 @@ int iwl_update_bcast_station(struct iwl_priv *priv, return -ENOMEM; } - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); if (priv->stations[sta_id].lq) kfree(priv->stations[sta_id].lq); else IWL_DEBUG_INFO(priv, "Bcast station rate scaling has not been initialized yet.\n"); priv->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return 0; } @@ -1376,18 +1375,17 @@ int iwl_update_bcast_stations(struct iwl_priv *priv) */ int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid) { - unsigned long flags; struct iwl_addsta_cmd sta_cmd; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); /* Remove "disable" flag, to enable Tx for this TID */ - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_TID_DISABLE_TX; priv->stations[sta_id].sta.tid_disable_tx &= cpu_to_le16(~(1 << tid)); priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } @@ -1395,24 +1393,23 @@ int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid) int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta, int tid, u16 ssn) { - unsigned long flags; int sta_id; struct iwl_addsta_cmd sta_cmd; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); sta_id = iwl_sta_id(sta); if (sta_id == IWL_INVALID_STATION) return -ENXIO; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); priv->stations[sta_id].sta.station_flags_msk = 0; priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_ADDBA_TID_MSK; priv->stations[sta_id].sta.add_immediate_ba_tid = (u8)tid; priv->stations[sta_id].sta.add_immediate_ba_ssn = cpu_to_le16(ssn); priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } @@ -1420,11 +1417,10 @@ int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta, int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, int tid) { - unsigned long flags; int sta_id; struct iwl_addsta_cmd sta_cmd; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); sta_id = iwl_sta_id(sta); if (sta_id == IWL_INVALID_STATION) { @@ -1432,13 +1428,13 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, return -ENXIO; } - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); priv->stations[sta_id].sta.station_flags_msk = 0; priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK; priv->stations[sta_id].sta.remove_immediate_ba_tid = (u8)tid; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } @@ -1447,16 +1443,14 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt) { - unsigned long flags; - - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - priv->stations[sta_id].sta.station_flags |= STA_FLG_PWR_SAVE_MSK; - priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK; - priv->stations[sta_id].sta.sta.modify_mask = - STA_MODIFY_SLEEP_TX_COUNT_MSK; - priv->stations[sta_id].sta.sleep_tx_count = cpu_to_le16(cnt); - priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + struct iwl_addsta_cmd cmd = { + .mode = STA_CONTROL_MODIFY_MSK, + .station_flags = STA_FLG_PWR_SAVE_MSK, + .station_flags_msk = STA_FLG_PWR_SAVE_MSK, + .sta.sta_id = sta_id, + .sta.modify_mask = STA_MODIFY_SLEEP_TX_COUNT_MSK, + .sleep_tx_count = cpu_to_le16(cnt), + }; + iwl_send_add_sta(priv, &cmd, CMD_ASYNC); } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tt.c b/drivers/net/wireless/iwlwifi/iwl-agn-tt.c index b0dff7a753a5..baaf5ba2fc38 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tt.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tt.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -34,6 +34,7 @@ #include <net/mac80211.h> +#include "iwl-agn.h" #include "iwl-eeprom.h" #include "iwl-dev.h" #include "iwl-core.h" @@ -173,24 +174,24 @@ static void iwl_tt_check_exit_ct_kill(unsigned long data) struct iwl_tt_mgmt *tt = &priv->thermal_throttle; unsigned long flags; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; if (tt->state == IWL_TI_CT_KILL) { if (priv->thermal_throttle.ct_kill_toggle) { - iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, + iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); priv->thermal_throttle.ct_kill_toggle = false; } else { - iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, + iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_SET, CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); priv->thermal_throttle.ct_kill_toggle = true; } - iwl_read32(bus(priv), CSR_UCODE_DRV_GP1); - spin_lock_irqsave(&bus(priv)->reg_lock, flags); - if (!iwl_grab_nic_access(bus(priv))) - iwl_release_nic_access(bus(priv)); - spin_unlock_irqrestore(&bus(priv)->reg_lock, flags); + iwl_read32(trans(priv), CSR_UCODE_DRV_GP1); + spin_lock_irqsave(&trans(priv)->reg_lock, flags); + if (likely(iwl_grab_nic_access(trans(priv)))) + iwl_release_nic_access(trans(priv)); + spin_unlock_irqrestore(&trans(priv)->reg_lock, flags); /* Reschedule the ct_kill timer to occur in * CT_KILL_EXIT_DURATION seconds to ensure we get a @@ -224,7 +225,7 @@ static void iwl_tt_ready_for_ct_kill(unsigned long data) struct iwl_priv *priv = (struct iwl_priv *)data; struct iwl_tt_mgmt *tt = &priv->thermal_throttle; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; /* temperature timer expired, ready to go into CT_KILL state */ @@ -232,7 +233,7 @@ static void iwl_tt_ready_for_ct_kill(unsigned long data) IWL_DEBUG_TEMP(priv, "entering CT_KILL state when " "temperature timer expired\n"); tt->state = IWL_TI_CT_KILL; - set_bit(STATUS_CT_KILL, &priv->shrd->status); + set_bit(STATUS_CT_KILL, &priv->status); iwl_perform_ct_kill_task(priv, true); } } @@ -310,24 +311,23 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp, bool force) tt->tt_power_mode = IWL_POWER_INDEX_5; break; } - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); if (old_state == IWL_TI_CT_KILL) - clear_bit(STATUS_CT_KILL, &priv->shrd->status); + clear_bit(STATUS_CT_KILL, &priv->status); if (tt->state != IWL_TI_CT_KILL && iwl_power_update_mode(priv, true)) { /* TT state not updated * try again during next temperature read */ if (old_state == IWL_TI_CT_KILL) - set_bit(STATUS_CT_KILL, &priv->shrd->status); + set_bit(STATUS_CT_KILL, &priv->status); tt->state = old_state; IWL_ERR(priv, "Cannot update power mode, " "TT state not updated\n"); } else { if (tt->state == IWL_TI_CT_KILL) { if (force) { - set_bit(STATUS_CT_KILL, - &priv->shrd->status); + set_bit(STATUS_CT_KILL, &priv->status); iwl_perform_ct_kill_task(priv, true); } else { iwl_prepare_ct_kill_task(priv); @@ -341,7 +341,7 @@ static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp, bool force) IWL_DEBUG_TEMP(priv, "Power Index change to %u\n", tt->tt_power_mode); } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } } @@ -451,9 +451,9 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force) * in case get disabled before */ iwl_set_rxon_ht(priv, &priv->current_ht_config); } - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); if (old_state == IWL_TI_CT_KILL) - clear_bit(STATUS_CT_KILL, &priv->shrd->status); + clear_bit(STATUS_CT_KILL, &priv->status); if (tt->state != IWL_TI_CT_KILL && iwl_power_update_mode(priv, true)) { /* TT state not updated @@ -462,7 +462,7 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force) IWL_ERR(priv, "Cannot update power mode, " "TT state not updated\n"); if (old_state == IWL_TI_CT_KILL) - set_bit(STATUS_CT_KILL, &priv->shrd->status); + set_bit(STATUS_CT_KILL, &priv->status); tt->state = old_state; } else { IWL_DEBUG_TEMP(priv, @@ -473,8 +473,7 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force) if (force) { IWL_DEBUG_TEMP(priv, "Enter IWL_TI_CT_KILL\n"); - set_bit(STATUS_CT_KILL, - &priv->shrd->status); + set_bit(STATUS_CT_KILL, &priv->status); iwl_perform_ct_kill_task(priv, true); } else { iwl_prepare_ct_kill_task(priv); @@ -486,7 +485,7 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force) iwl_perform_ct_kill_task(priv, false); } } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } } @@ -505,10 +504,10 @@ static void iwl_bg_ct_enter(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, ct_enter); struct iwl_tt_mgmt *tt = &priv->thermal_throttle; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - if (!iwl_is_ready(priv->shrd)) + if (!iwl_is_ready(priv)) return; if (tt->state != IWL_TI_CT_KILL) { @@ -534,10 +533,10 @@ static void iwl_bg_ct_exit(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, ct_exit); struct iwl_tt_mgmt *tt = &priv->thermal_throttle; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - if (!iwl_is_ready(priv->shrd)) + if (!iwl_is_ready(priv)) return; /* stop ct_kill_exit_tm timer */ @@ -564,20 +563,20 @@ static void iwl_bg_ct_exit(struct work_struct *work) void iwl_tt_enter_ct_kill(struct iwl_priv *priv) { - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; IWL_DEBUG_TEMP(priv, "Queueing critical temperature enter.\n"); - queue_work(priv->shrd->workqueue, &priv->ct_enter); + queue_work(priv->workqueue, &priv->ct_enter); } void iwl_tt_exit_ct_kill(struct iwl_priv *priv) { - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; IWL_DEBUG_TEMP(priv, "Queueing critical temperature exit.\n"); - queue_work(priv->shrd->workqueue, &priv->ct_exit); + queue_work(priv->workqueue, &priv->ct_exit); } static void iwl_bg_tt_work(struct work_struct *work) @@ -585,7 +584,7 @@ static void iwl_bg_tt_work(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, tt_work); s32 temp = priv->temperature; /* degrees CELSIUS except specified */ - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; if (!priv->thermal_throttle.advanced_tt) @@ -596,11 +595,11 @@ static void iwl_bg_tt_work(struct work_struct *work) void iwl_tt_handler(struct iwl_priv *priv) { - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; IWL_DEBUG_TEMP(priv, "Queueing thermal throttling work.\n"); - queue_work(priv->shrd->workqueue, &priv->tt_work); + queue_work(priv->workqueue, &priv->tt_work); } /* Thermal throttling initialization diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tt.h b/drivers/net/wireless/iwlwifi/iwl-agn-tt.h index 7282a23e8f1c..86bbf47501c1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tt.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tt.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index 63bbc60be28e..34adedc74d35 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -126,7 +126,7 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv, u8 data_retry_limit; u8 rate_plcp; - if (priv->shrd->wowlan) { + if (priv->wowlan) { rts_retry_limit = IWLAGN_LOW_RETRY_LIMIT; data_retry_limit = IWLAGN_LOW_RETRY_LIMIT; } else { @@ -208,10 +208,9 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv, } static void iwlagn_tx_cmd_build_hwcrypto(struct iwl_priv *priv, - struct ieee80211_tx_info *info, - struct iwl_tx_cmd *tx_cmd, - struct sk_buff *skb_frag, - int sta_id) + struct ieee80211_tx_info *info, + struct iwl_tx_cmd *tx_cmd, + struct sk_buff *skb_frag) { struct ieee80211_key_conf *keyconf = info->control.hw_key; @@ -249,6 +248,35 @@ static void iwlagn_tx_cmd_build_hwcrypto(struct iwl_priv *priv, } } +/** + * iwl_sta_id_or_broadcast - return sta_id or broadcast sta + * @context: the current context + * @sta: mac80211 station + * + * In certain circumstances mac80211 passes a station pointer + * that may be %NULL, for example during TX or key setup. In + * that case, we need to use the broadcast station, so this + * inline wraps that pattern. + */ +static int iwl_sta_id_or_broadcast(struct iwl_rxon_context *context, + struct ieee80211_sta *sta) +{ + int sta_id; + + if (!sta) + return context->bcast_sta_id; + + sta_id = iwl_sta_id(sta); + + /* + * mac80211 should not be passing a partially + * initialised station! + */ + WARN_ON(sta_id == IWL_INVALID_STATION); + + return sta_id; +} + /* * start REPLY_TX command process */ @@ -260,19 +288,16 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; struct iwl_device_cmd *dev_cmd = NULL; struct iwl_tx_cmd *tx_cmd; - __le16 fc; u8 hdr_len; u16 len, seq_number = 0; u8 sta_id, tid = IWL_MAX_TID_COUNT; - unsigned long flags; bool is_agg = false; if (info->control.vif) ctx = iwl_rxon_ctx_from_vif(info->control.vif); - spin_lock_irqsave(&priv->shrd->lock, flags); - if (iwl_is_rfkill(priv->shrd)) { + if (iwl_is_rfkill(priv)) { IWL_DEBUG_DROP(priv, "Dropping - RF KILL\n"); goto drop_unlock_priv; } @@ -308,7 +333,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) sta_id = ctx->bcast_sta_id; else { /* Find index into station table for destination station */ - sta_id = iwl_sta_id_or_broadcast(priv, ctx, info->control.sta); + sta_id = iwl_sta_id_or_broadcast(ctx, info->control.sta); if (sta_id == IWL_INVALID_STATION) { IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n", hdr->addr1); @@ -322,7 +347,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) sta_priv = (void *)info->control.sta->drv_priv; if (sta_priv && sta_priv->asleep && - (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) { + (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) { /* * This sends an asynchronous command to the device, * but we can rely on it being processed before the @@ -331,6 +356,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) * counter. * For now set the counter to just 1 since we do not * support uAPSD yet. + * + * FIXME: If we get two non-bufferable frames one + * after the other, we might only send out one of + * them because this is racy. */ iwl_sta_modify_sleep_tx_count(priv, sta_id, 1); } @@ -338,13 +367,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) if (info->flags & IEEE80211_TX_CTL_AMPDU) is_agg = true; - /* irqs already disabled/saved above when locking priv->shrd->lock */ - spin_lock(&priv->shrd->sta_lock); - - dev_cmd = kmem_cache_alloc(priv->tx_cmd_pool, GFP_ATOMIC); + dev_cmd = kmem_cache_alloc(iwl_tx_cmd_pool, GFP_ATOMIC); if (unlikely(!dev_cmd)) - goto drop_unlock_sta; + goto drop_unlock_priv; memset(dev_cmd, 0, sizeof(*dev_cmd)); tx_cmd = (struct iwl_tx_cmd *) dev_cmd->payload; @@ -354,7 +380,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) tx_cmd->len = cpu_to_le16(len); if (info->control.hw_key) - iwlagn_tx_cmd_build_hwcrypto(priv, info, tx_cmd, skb, sta_id); + iwlagn_tx_cmd_build_hwcrypto(priv, info, tx_cmd, skb); /* TODO need this for burst mode later on */ iwlagn_tx_cmd_build_basic(priv, skb, tx_cmd, info, hdr, sta_id); @@ -369,6 +395,8 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) info->driver_data[0] = ctx; info->driver_data[1] = dev_cmd; + spin_lock(&priv->sta_lock); + if (ieee80211_is_data_qos(fc) && !ieee80211_is_qos_nullfunc(fc)) { u8 *qc = NULL; struct iwl_tid_data *tid_data; @@ -414,8 +442,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) !ieee80211_has_morefrags(fc)) priv->tid_data[sta_id][tid].seq_number = seq_number; - spin_unlock(&priv->shrd->sta_lock); - spin_unlock_irqrestore(&priv->shrd->lock, flags); + spin_unlock(&priv->sta_lock); /* * Avoid atomic ops if it isn't an associated client. @@ -431,10 +458,9 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) drop_unlock_sta: if (dev_cmd) - kmem_cache_free(priv->tx_cmd_pool, dev_cmd); - spin_unlock(&priv->shrd->sta_lock); + kmem_cache_free(iwl_tx_cmd_pool, dev_cmd); + spin_unlock(&priv->sta_lock); drop_unlock_priv: - spin_unlock_irqrestore(&priv->shrd->lock, flags); return -1; } @@ -442,7 +468,6 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid) { struct iwl_tid_data *tid_data; - unsigned long flags; int sta_id; sta_id = iwl_sta_id(sta); @@ -452,7 +477,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, return -ENXIO; } - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); tid_data = &priv->tid_data[sta_id][tid]; @@ -472,7 +497,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, IWL_WARN(priv, "Stopping AGG while state not ON " "or starting for %d on %d (%d)\n", sta_id, tid, priv->tid_data[sta_id][tid].agg.state); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return 0; } @@ -486,7 +511,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, tid_data->next_reclaimed); priv->tid_data[sta_id][tid].agg.state = IWL_EMPTYING_HW_QUEUE_DELBA; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return 0; } @@ -495,14 +520,10 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, turn_off: priv->tid_data[sta_id][tid].agg.state = IWL_AGG_OFF; - /* do not restore/save irqs */ - spin_unlock(&priv->shrd->sta_lock); - spin_lock(&priv->shrd->lock); + spin_unlock_bh(&priv->sta_lock); iwl_trans_tx_agg_disable(trans(priv), sta_id, tid); - spin_unlock_irqrestore(&priv->shrd->lock, flags); - ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); return 0; @@ -512,7 +533,6 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid, u16 *ssn) { struct iwl_tid_data *tid_data; - unsigned long flags; int sta_id; int ret; @@ -536,7 +556,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, if (ret) return ret; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); tid_data = &priv->tid_data[sta_id][tid]; tid_data->agg.ssn = SEQ_TO_SN(tid_data->seq_number); @@ -545,7 +565,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, ret = iwl_trans_tx_agg_alloc(trans(priv), sta_id, tid); if (ret) { - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return ret; } @@ -562,7 +582,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA; } - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); return ret; } @@ -572,14 +592,13 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif, { struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - unsigned long flags; u16 ssn; buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF); - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock_bh(&priv->sta_lock); ssn = priv->tid_data[sta_priv->sta_id][tid].agg.ssn; - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock_bh(&priv->sta_lock); iwl_trans_tx_agg_setup(trans(priv), ctx->ctxid, sta_priv->sta_id, tid, buf_size, ssn); @@ -604,8 +623,7 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif, sta_priv->max_agg_bufsize = min(sta_priv->max_agg_bufsize, buf_size); - if (cfg(priv)->ht_params && - cfg(priv)->ht_params->use_rts_for_aggregation) { + if (hw_params(priv).use_rts_for_aggregation) { /* * switch to RTS/CTS if it is the prefer protection * method for HT traffic @@ -635,7 +653,7 @@ static void iwlagn_check_ratid_empty(struct iwl_priv *priv, int sta_id, u8 tid) struct ieee80211_vif *vif; u8 *addr; - lockdep_assert_held(&priv->shrd->sta_lock); + lockdep_assert_held(&priv->sta_lock); addr = priv->stations[sta_id].sta.sta.addr; ctx = priv->stations[sta_id].ctxid; @@ -982,19 +1000,19 @@ static void iwl_check_abort_status(struct iwl_priv *priv, { if (frame_count == 1 && status == TX_STATUS_FAIL_RFKILL_FLUSH) { IWL_ERR(priv, "Tx flush command to flush out all frames\n"); - if (!test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) - queue_work(priv->shrd->workqueue, &priv->tx_flush); + if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) + queue_work(priv->workqueue, &priv->tx_flush); } } -int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, +int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); u16 sequence = le16_to_cpu(pkt->hdr.sequence); int txq_id = SEQ_TO_QUEUE(sequence); int cmd_index __maybe_unused = SEQ_TO_INDEX(sequence); - struct iwlagn_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; + struct iwlagn_tx_resp *tx_resp = (void *)pkt->data; struct ieee80211_hdr *hdr; u32 status = le16_to_cpu(tx_resp->status.status); u16 ssn = iwlagn_get_scd_ssn(tx_resp); @@ -1002,7 +1020,6 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, int sta_id; int freed; struct ieee80211_tx_info *info; - unsigned long flags; struct sk_buff_head skbs; struct sk_buff *skb; struct iwl_rxon_context *ctx; @@ -1013,11 +1030,13 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, sta_id = (tx_resp->ra_tid & IWLAGN_TX_RES_RA_MSK) >> IWLAGN_TX_RES_RA_POS; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock(&priv->sta_lock); if (is_agg) iwl_rx_reply_tx_agg(priv, tx_resp); + __skb_queue_head_init(&skbs); + if (tx_resp->frame_count == 1) { u16 next_reclaimed = le16_to_cpu(tx_resp->seq_ctl); next_reclaimed = SEQ_TO_SN(next_reclaimed + 0x10); @@ -1037,8 +1056,6 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, next_reclaimed = ssn; } - __skb_queue_head_init(&skbs); - if (tid != IWL_TID_NON_QOS) { priv->tid_data[sta_id][tid].next_reclaimed = next_reclaimed; @@ -1047,12 +1064,13 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, } /*we can free until ssn % q.n_bd not inclusive */ - WARN_ON(iwl_trans_reclaim(trans(priv), sta_id, tid, txq_id, - ssn, status, &skbs)); + WARN_ON(iwl_trans_reclaim(trans(priv), sta_id, tid, + txq_id, ssn, &skbs)); iwlagn_check_ratid_empty(priv, sta_id, tid); freed = 0; - while (!skb_queue_empty(&skbs)) { - skb = __skb_dequeue(&skbs); + + /* process frames */ + skb_queue_walk(&skbs, skb) { hdr = (struct ieee80211_hdr *)skb->data; if (!ieee80211_is_data_qos(hdr->frame_control)) @@ -1060,7 +1078,7 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, info = IEEE80211_SKB_CB(skb); ctx = info->driver_data[0]; - kmem_cache_free(priv->tx_cmd_pool, + kmem_cache_free(iwl_tx_cmd_pool, (info->driver_data[1])); memset(&info->status, 0, sizeof(info->status)); @@ -1068,9 +1086,11 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, if (status == TX_STATUS_FAIL_PASSIVE_NO_RX && iwl_is_associated_ctx(ctx) && ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION) { - ctx->last_tx_rejected = true; - iwl_trans_stop_queue(trans(priv), txq_id, - "Tx on passive channel"); + /* block and stop all queues */ + priv->passive_no_rx = true; + IWL_DEBUG_TX_QUEUES(priv, "stop all queues: " + "passive channel"); + ieee80211_stop_queues(priv->hw); IWL_DEBUG_TX_REPLY(priv, "TXQ %d status %s (0x%08x) " @@ -1094,8 +1114,6 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, if (!is_agg) iwlagn_non_agg_tx_status(priv, ctx, hdr->addr1); - ieee80211_tx_status_irqsafe(priv->hw, skb); - freed++; } @@ -1103,7 +1121,13 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, } iwl_check_abort_status(priv, tx_resp->frame_count, status); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock(&priv->sta_lock); + + while (!skb_queue_empty(&skbs)) { + skb = __skb_dequeue(&skbs); + ieee80211_tx_status(priv->hw, skb); + } + return 0; } @@ -1114,17 +1138,16 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, * of frames sent via aggregation. */ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_compressed_ba_resp *ba_resp = &pkt->u.compressed_ba; + struct iwl_compressed_ba_resp *ba_resp = (void *)pkt->data; struct iwl_ht_agg *agg; struct sk_buff_head reclaimed_skbs; struct ieee80211_tx_info *info; struct ieee80211_hdr *hdr; struct sk_buff *skb; - unsigned long flags; int sta_id; int tid; int freed; @@ -1136,7 +1159,7 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, * (in Tx queue's circular buffer) of first TFD/frame in window */ u16 ba_resp_scd_ssn = le16_to_cpu(ba_resp->scd_ssn); - if (scd_flow >= hw_params(priv).max_txq_num) { + if (scd_flow >= cfg(priv)->base_params->num_of_queues) { IWL_ERR(priv, "BUG_ON scd_flow is bigger than number of queues\n"); return 0; @@ -1146,12 +1169,12 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, tid = ba_resp->tid; agg = &priv->tid_data[sta_id][tid].agg; - spin_lock_irqsave(&priv->shrd->sta_lock, flags); + spin_lock(&priv->sta_lock); if (unlikely(!agg->wait_for_ba)) { if (unlikely(ba_resp->bitmap)) IWL_ERR(priv, "Received BA when not expected\n"); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + spin_unlock(&priv->sta_lock); return 0; } @@ -1161,8 +1184,8 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, * block-ack window (we assume that they've been successfully * transmitted ... if not, it's too late anyway). */ if (iwl_trans_reclaim(trans(priv), sta_id, tid, scd_flow, - ba_resp_scd_ssn, 0, &reclaimed_skbs)) { - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + ba_resp_scd_ssn, &reclaimed_skbs)) { + spin_unlock(&priv->sta_lock); return 0; } @@ -1198,9 +1221,8 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, iwlagn_check_ratid_empty(priv, sta_id, tid); freed = 0; - while (!skb_queue_empty(&reclaimed_skbs)) { - skb = __skb_dequeue(&reclaimed_skbs); + skb_queue_walk(&reclaimed_skbs, skb) { hdr = (struct ieee80211_hdr *)skb->data; if (ieee80211_is_data_qos(hdr->frame_control)) @@ -1209,7 +1231,7 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, WARN_ON_ONCE(1); info = IEEE80211_SKB_CB(skb); - kmem_cache_free(priv->tx_cmd_pool, (info->driver_data[1])); + kmem_cache_free(iwl_tx_cmd_pool, (info->driver_data[1])); if (freed == 1) { /* this is the first skb we deliver in this batch */ @@ -1223,10 +1245,14 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, iwlagn_hwrate_to_tx_control(priv, agg->rate_n_flags, info); } + } + + spin_unlock(&priv->sta_lock); - ieee80211_tx_status_irqsafe(priv->hw, skb); + while (!skb_queue_empty(&reclaimed_skbs)) { + skb = __skb_dequeue(&reclaimed_skbs); + ieee80211_tx_status(priv->hw, skb); } - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return 0; } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index b5c7c5f0a753..f1226dbf789d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -34,7 +34,6 @@ #include <linux/sched.h> #include <linux/skbuff.h> #include <linux/netdevice.h> -#include <linux/firmware.h> #include <linux/etherdevice.h> #include <linux/if_arp.h> @@ -43,15 +42,14 @@ #include <asm/div64.h> #include "iwl-eeprom.h" -#include "iwl-wifi.h" #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" #include "iwl-agn-calib.h" #include "iwl-agn.h" #include "iwl-shared.h" -#include "iwl-bus.h" #include "iwl-trans.h" +#include "iwl-op-mode.h" /****************************************************************************** * @@ -134,7 +132,7 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv) * beacon contents. */ - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); if (!priv->beacon_ctx) { IWL_ERR(priv, "trying to build beacon w/o beacon context!\n"); @@ -199,7 +197,7 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv) cmd.data[1] = priv->beacon_skb->data; cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY; - return iwl_trans_send_cmd(trans(priv), &cmd); + return iwl_dvm_send_cmd(priv, &cmd); } static void iwl_bg_beacon_update(struct work_struct *work) @@ -208,7 +206,7 @@ static void iwl_bg_beacon_update(struct work_struct *work) container_of(work, struct iwl_priv, beacon_update); struct sk_buff *beacon; - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); if (!priv->beacon_ctx) { IWL_ERR(priv, "updating beacon w/o beacon context!\n"); goto out; @@ -238,7 +236,7 @@ static void iwl_bg_beacon_update(struct work_struct *work) iwlagn_send_beacon_cmd(priv); out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } static void iwl_bg_bt_runtime_config(struct work_struct *work) @@ -246,11 +244,11 @@ static void iwl_bg_bt_runtime_config(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, bt_runtime_config); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; /* dont send host command if rf-kill is on */ - if (!iwl_is_ready_rf(priv->shrd)) + if (!iwl_is_ready_rf(priv)) return; iwlagn_send_advance_bt_config(priv); } @@ -261,13 +259,13 @@ static void iwl_bg_bt_full_concurrency(struct work_struct *work) container_of(work, struct iwl_priv, bt_full_concurrency); struct iwl_rxon_context *ctx; - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) goto out; /* dont send host command if rf-kill is on */ - if (!iwl_is_ready_rf(priv->shrd)) + if (!iwl_is_ready_rf(priv)) goto out; IWL_DEBUG_INFO(priv, "BT coex in %s mode\n", @@ -285,7 +283,7 @@ static void iwl_bg_bt_full_concurrency(struct work_struct *work) iwlagn_send_advance_bt_config(priv); out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } /** @@ -302,11 +300,11 @@ static void iwl_bg_statistics_periodic(unsigned long data) { struct iwl_priv *priv = (struct iwl_priv *)data; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; /* dont send host command if rf-kill is on */ - if (!iwl_is_ready_rf(priv->shrd)) + if (!iwl_is_ready_rf(priv)) return; iwl_send_statistics_request(priv, CMD_ASYNC, false); @@ -315,7 +313,7 @@ static void iwl_bg_statistics_periodic(unsigned long data) static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, u32 start_idx, u32 num_events, - u32 mode) + u32 capacity, u32 mode) { u32 i; u32 ptr; /* SRAM byte address of log data */ @@ -328,87 +326,125 @@ static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&bus(priv)->reg_lock, reg_flags); - if (iwl_grab_nic_access(bus(priv))) { - spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); + spin_lock_irqsave(&trans(priv)->reg_lock, reg_flags); + if (unlikely(!iwl_grab_nic_access(trans(priv)))) { + spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); return; } /* Set starting address; reads will auto-increment */ - iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, ptr); - rmb(); + iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, ptr); + + /* + * Refuse to read more than would have fit into the log from + * the current start_idx. This used to happen due to the race + * described below, but now WARN because the code below should + * prevent it from happening here. + */ + if (WARN_ON(num_events > capacity - start_idx)) + num_events = capacity - start_idx; /* * "time" is actually "data" for mode 0 (no timestamp). * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); - time = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); + ev = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); + time = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); if (mode == 0) { - trace_iwlwifi_dev_ucode_cont_event(priv, - 0, time, ev); + trace_iwlwifi_dev_ucode_cont_event( + trans(priv)->dev, 0, time, ev); } else { - data = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); - trace_iwlwifi_dev_ucode_cont_event(priv, - time, data, ev); + data = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); + trace_iwlwifi_dev_ucode_cont_event( + trans(priv)->dev, time, data, ev); } } /* Allow device to power down */ - iwl_release_nic_access(bus(priv)); - spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags); + iwl_release_nic_access(trans(priv)); + spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); } static void iwl_continuous_event_trace(struct iwl_priv *priv) { u32 capacity; /* event log capacity in # entries */ + struct { + u32 capacity; + u32 mode; + u32 wrap_counter; + u32 write_counter; + } __packed read; u32 base; /* SRAM byte address of event log header */ u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ u32 num_wraps; /* # times uCode wrapped to top of log */ u32 next_entry; /* index of next entry to be written by uCode */ - base = priv->shrd->device_pointers.error_event_table; + base = priv->shrd->device_pointers.log_event_table; if (iwlagn_hw_valid_rtc_data_addr(base)) { - capacity = iwl_read_targ_mem(bus(priv), base); - num_wraps = iwl_read_targ_mem(bus(priv), - base + (2 * sizeof(u32))); - mode = iwl_read_targ_mem(bus(priv), base + (1 * sizeof(u32))); - next_entry = iwl_read_targ_mem(bus(priv), - base + (3 * sizeof(u32))); + iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read)); + + capacity = read.capacity; + mode = read.mode; + num_wraps = read.wrap_counter; + next_entry = read.write_counter; } else return; + /* + * Unfortunately, the uCode doesn't use temporary variables. + * Therefore, it can happen that we read next_entry == capacity, + * which really means next_entry == 0. + */ + if (unlikely(next_entry == capacity)) + next_entry = 0; + /* + * Additionally, the uCode increases the write pointer before + * the wraps counter, so if the write pointer is smaller than + * the old write pointer (wrap occurred) but we read that no + * wrap occurred, we actually read between the next_entry and + * num_wraps update (this does happen in practice!!) -- take + * that into account by increasing num_wraps. + */ + if (unlikely(next_entry < priv->event_log.next_entry && + num_wraps == priv->event_log.num_wraps)) + num_wraps++; + if (num_wraps == priv->event_log.num_wraps) { - iwl_print_cont_event_trace(priv, - base, priv->event_log.next_entry, - next_entry - priv->event_log.next_entry, - mode); + iwl_print_cont_event_trace( + priv, base, priv->event_log.next_entry, + next_entry - priv->event_log.next_entry, + capacity, mode); + priv->event_log.non_wraps_count++; } else { - if ((num_wraps - priv->event_log.num_wraps) > 1) + if (num_wraps - priv->event_log.num_wraps > 1) priv->event_log.wraps_more_count++; else priv->event_log.wraps_once_count++; - trace_iwlwifi_dev_ucode_wrap_event(priv, + + trace_iwlwifi_dev_ucode_wrap_event(trans(priv)->dev, num_wraps - priv->event_log.num_wraps, next_entry, priv->event_log.next_entry); + if (next_entry < priv->event_log.next_entry) { - iwl_print_cont_event_trace(priv, base, - priv->event_log.next_entry, - capacity - priv->event_log.next_entry, - mode); + iwl_print_cont_event_trace( + priv, base, priv->event_log.next_entry, + capacity - priv->event_log.next_entry, + capacity, mode); - iwl_print_cont_event_trace(priv, base, 0, - next_entry, mode); + iwl_print_cont_event_trace( + priv, base, 0, next_entry, capacity, mode); } else { - iwl_print_cont_event_trace(priv, base, - next_entry, capacity - next_entry, - mode); + iwl_print_cont_event_trace( + priv, base, next_entry, + capacity - next_entry, + capacity, mode); - iwl_print_cont_event_trace(priv, base, 0, - next_entry, mode); + iwl_print_cont_event_trace( + priv, base, 0, next_entry, capacity, mode); } } + priv->event_log.num_wraps = num_wraps; priv->event_log.next_entry = next_entry; } @@ -425,7 +461,7 @@ static void iwl_bg_ucode_trace(unsigned long data) { struct iwl_priv *priv = (struct iwl_priv *)data; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; if (priv->event_log.ucode_trace) { @@ -441,11 +477,11 @@ static void iwl_bg_tx_flush(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, tx_flush); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; /* do nothing if rf-kill is on */ - if (!iwl_is_ready_rf(priv->shrd)) + if (!iwl_is_ready_rf(priv)) return; IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); @@ -475,6 +511,7 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM; priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID; priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY; + priv->contexts[IWL_RXON_CTX_BSS].bcast_sta_id = IWLAGN_BROADCAST_ID; priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes = BIT(NL80211_IFTYPE_ADHOC); priv->contexts[IWL_RXON_CTX_BSS].interface_modes = @@ -509,620 +546,15 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); } -static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); - -#define UCODE_EXPERIMENTAL_INDEX 100 -#define UCODE_EXPERIMENTAL_TAG "exp" - -static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first) -{ - const char *name_pre = cfg(priv)->fw_name_pre; - char tag[8]; - - if (first) { -#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE - priv->fw_index = UCODE_EXPERIMENTAL_INDEX; - strcpy(tag, UCODE_EXPERIMENTAL_TAG); - } else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) { -#endif - priv->fw_index = cfg(priv)->ucode_api_max; - sprintf(tag, "%d", priv->fw_index); - } else { - priv->fw_index--; - sprintf(tag, "%d", priv->fw_index); - } - - if (priv->fw_index < cfg(priv)->ucode_api_min) { - IWL_ERR(priv, "no suitable firmware found!\n"); - return -ENOENT; - } - - sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); - - IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n", - (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) - ? "EXPERIMENTAL " : "", - priv->firmware_name); - - return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name, - bus(priv)->dev, - GFP_KERNEL, priv, iwl_ucode_callback); -} - -struct iwlagn_firmware_pieces { - const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data; - size_t inst_size, data_size, init_size, init_data_size, - wowlan_inst_size, wowlan_data_size; - - u32 build; - - u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; - u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; -}; - -static int iwlagn_load_legacy_firmware(struct iwl_priv *priv, - const struct firmware *ucode_raw, - struct iwlagn_firmware_pieces *pieces) -{ - struct iwl_ucode_header *ucode = (void *)ucode_raw->data; - u32 api_ver, hdr_size; - const u8 *src; - - priv->ucode_ver = le32_to_cpu(ucode->ver); - api_ver = IWL_UCODE_API(priv->ucode_ver); - - switch (api_ver) { - default: - hdr_size = 28; - if (ucode_raw->size < hdr_size) { - IWL_ERR(priv, "File size too small!\n"); - return -EINVAL; - } - pieces->build = le32_to_cpu(ucode->u.v2.build); - pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size); - pieces->data_size = le32_to_cpu(ucode->u.v2.data_size); - pieces->init_size = le32_to_cpu(ucode->u.v2.init_size); - pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size); - src = ucode->u.v2.data; - break; - case 0: - case 1: - case 2: - hdr_size = 24; - if (ucode_raw->size < hdr_size) { - IWL_ERR(priv, "File size too small!\n"); - return -EINVAL; - } - pieces->build = 0; - pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size); - pieces->data_size = le32_to_cpu(ucode->u.v1.data_size); - pieces->init_size = le32_to_cpu(ucode->u.v1.init_size); - pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size); - src = ucode->u.v1.data; - break; - } - - /* Verify size of file vs. image size info in file's header */ - if (ucode_raw->size != hdr_size + pieces->inst_size + - pieces->data_size + pieces->init_size + - pieces->init_data_size) { - - IWL_ERR(priv, - "uCode file size %d does not match expected size\n", - (int)ucode_raw->size); - return -EINVAL; - } - - pieces->inst = src; - src += pieces->inst_size; - pieces->data = src; - src += pieces->data_size; - pieces->init = src; - src += pieces->init_size; - pieces->init_data = src; - src += pieces->init_data_size; - - return 0; -} - -static int iwlagn_load_firmware(struct iwl_priv *priv, - const struct firmware *ucode_raw, - struct iwlagn_firmware_pieces *pieces, - struct iwlagn_ucode_capabilities *capa) -{ - struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; - struct iwl_ucode_tlv *tlv; - size_t len = ucode_raw->size; - const u8 *data; - int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative; - int tmp; - u64 alternatives; - u32 tlv_len; - enum iwl_ucode_tlv_type tlv_type; - const u8 *tlv_data; - - if (len < sizeof(*ucode)) { - IWL_ERR(priv, "uCode has invalid length: %zd\n", len); - return -EINVAL; - } - - if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { - IWL_ERR(priv, "invalid uCode magic: 0X%x\n", - le32_to_cpu(ucode->magic)); - return -EINVAL; - } - - /* - * Check which alternatives are present, and "downgrade" - * when the chosen alternative is not present, warning - * the user when that happens. Some files may not have - * any alternatives, so don't warn in that case. - */ - alternatives = le64_to_cpu(ucode->alternatives); - tmp = wanted_alternative; - if (wanted_alternative > 63) - wanted_alternative = 63; - while (wanted_alternative && !(alternatives & BIT(wanted_alternative))) - wanted_alternative--; - if (wanted_alternative && wanted_alternative != tmp) - IWL_WARN(priv, - "uCode alternative %d not available, choosing %d\n", - tmp, wanted_alternative); - - priv->ucode_ver = le32_to_cpu(ucode->ver); - pieces->build = le32_to_cpu(ucode->build); - data = ucode->data; - - len -= sizeof(*ucode); - - while (len >= sizeof(*tlv)) { - u16 tlv_alt; - - len -= sizeof(*tlv); - tlv = (void *)data; - - tlv_len = le32_to_cpu(tlv->length); - tlv_type = le16_to_cpu(tlv->type); - tlv_alt = le16_to_cpu(tlv->alternative); - tlv_data = tlv->data; - - if (len < tlv_len) { - IWL_ERR(priv, "invalid TLV len: %zd/%u\n", - len, tlv_len); - return -EINVAL; - } - len -= ALIGN(tlv_len, 4); - data += sizeof(*tlv) + ALIGN(tlv_len, 4); - - /* - * Alternative 0 is always valid. - * - * Skip alternative TLVs that are not selected. - */ - if (tlv_alt != 0 && tlv_alt != wanted_alternative) - continue; - - switch (tlv_type) { - case IWL_UCODE_TLV_INST: - pieces->inst = tlv_data; - pieces->inst_size = tlv_len; - break; - case IWL_UCODE_TLV_DATA: - pieces->data = tlv_data; - pieces->data_size = tlv_len; - break; - case IWL_UCODE_TLV_INIT: - pieces->init = tlv_data; - pieces->init_size = tlv_len; - break; - case IWL_UCODE_TLV_INIT_DATA: - pieces->init_data = tlv_data; - pieces->init_data_size = tlv_len; - break; - case IWL_UCODE_TLV_BOOT: - IWL_ERR(priv, "Found unexpected BOOT ucode\n"); - break; - case IWL_UCODE_TLV_PROBE_MAX_LEN: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - capa->max_probe_length = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_PAN: - if (tlv_len) - goto invalid_tlv_len; - capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; - break; - case IWL_UCODE_TLV_FLAGS: - /* must be at least one u32 */ - if (tlv_len < sizeof(u32)) - goto invalid_tlv_len; - /* and a proper number of u32s */ - if (tlv_len % sizeof(u32)) - goto invalid_tlv_len; - /* - * This driver only reads the first u32 as - * right now no more features are defined, - * if that changes then either the driver - * will not work with the new firmware, or - * it'll not take advantage of new features. - */ - capa->flags = le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_INIT_EVTLOG_PTR: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->init_evtlog_ptr = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->init_evtlog_size = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_INIT_ERRLOG_PTR: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->init_errlog_ptr = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->inst_evtlog_ptr = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->inst_evtlog_size = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - pieces->inst_errlog_ptr = - le32_to_cpup((__le32 *)tlv_data); - break; - case IWL_UCODE_TLV_ENHANCE_SENS_TBL: - if (tlv_len) - goto invalid_tlv_len; - priv->enhance_sensitivity_table = true; - break; - case IWL_UCODE_TLV_WOWLAN_INST: - pieces->wowlan_inst = tlv_data; - pieces->wowlan_inst_size = tlv_len; - break; - case IWL_UCODE_TLV_WOWLAN_DATA: - pieces->wowlan_data = tlv_data; - pieces->wowlan_data_size = tlv_len; - break; - case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: - if (tlv_len != sizeof(u32)) - goto invalid_tlv_len; - capa->standard_phy_calibration_size = - le32_to_cpup((__le32 *)tlv_data); - break; - default: - IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type); - break; - } - } - - if (len) { - IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len); - iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len); - return -EINVAL; - } - - return 0; - - invalid_tlv_len: - IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); - iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len); - - return -EINVAL; -} - -/** - * iwl_ucode_callback - callback when firmware was loaded - * - * If loaded successfully, copies the firmware into buffers - * for the card to fetch (via DMA). - */ -static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) -{ - struct iwl_priv *priv = context; - struct iwl_ucode_header *ucode; - int err; - struct iwlagn_firmware_pieces pieces; - const unsigned int api_max = cfg(priv)->ucode_api_max; - unsigned int api_ok = cfg(priv)->ucode_api_ok; - const unsigned int api_min = cfg(priv)->ucode_api_min; - u32 api_ver; - char buildstr[25]; - u32 build; - struct iwlagn_ucode_capabilities ucode_capa = { - .max_probe_length = 200, - .standard_phy_calibration_size = - IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE, - }; - - if (!api_ok) - api_ok = api_max; - - memset(&pieces, 0, sizeof(pieces)); - - if (!ucode_raw) { - if (priv->fw_index <= api_ok) - IWL_ERR(priv, - "request for firmware file '%s' failed.\n", - priv->firmware_name); - goto try_again; - } - - IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n", - priv->firmware_name, ucode_raw->size); - - /* Make sure that we got at least the API version number */ - if (ucode_raw->size < 4) { - IWL_ERR(priv, "File size way too small!\n"); - goto try_again; - } - - /* Data from ucode file: header followed by uCode images */ - ucode = (struct iwl_ucode_header *)ucode_raw->data; - - if (ucode->ver) - err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces); - else - err = iwlagn_load_firmware(priv, ucode_raw, &pieces, - &ucode_capa); - - if (err) - goto try_again; - - api_ver = IWL_UCODE_API(priv->ucode_ver); - build = pieces.build; - - /* - * api_ver should match the api version forming part of the - * firmware filename ... but we don't check for that and only rely - * on the API version read from firmware header from here on forward - */ - /* no api version check required for experimental uCode */ - if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) { - if (api_ver < api_min || api_ver > api_max) { - IWL_ERR(priv, - "Driver unable to support your firmware API. " - "Driver supports v%u, firmware is v%u.\n", - api_max, api_ver); - goto try_again; - } - - if (api_ver < api_ok) { - if (api_ok != api_max) - IWL_ERR(priv, "Firmware has old API version, " - "expected v%u through v%u, got v%u.\n", - api_ok, api_max, api_ver); - else - IWL_ERR(priv, "Firmware has old API version, " - "expected v%u, got v%u.\n", - api_max, api_ver); - IWL_ERR(priv, "New firmware can be obtained from " - "http://www.intellinuxwireless.org/.\n"); - } - } - - if (build) - sprintf(buildstr, " build %u%s", build, - (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) - ? " (EXP)" : ""); - else - buildstr[0] = '\0'; - - IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n", - IWL_UCODE_MAJOR(priv->ucode_ver), - IWL_UCODE_MINOR(priv->ucode_ver), - IWL_UCODE_API(priv->ucode_ver), - IWL_UCODE_SERIAL(priv->ucode_ver), - buildstr); - - snprintf(priv->hw->wiphy->fw_version, - sizeof(priv->hw->wiphy->fw_version), - "%u.%u.%u.%u%s", - IWL_UCODE_MAJOR(priv->ucode_ver), - IWL_UCODE_MINOR(priv->ucode_ver), - IWL_UCODE_API(priv->ucode_ver), - IWL_UCODE_SERIAL(priv->ucode_ver), - buildstr); - - /* - * For any of the failures below (before allocating pci memory) - * we will try to load a version with a smaller API -- maybe the - * user just got a corrupted version of the latest API. - */ - - IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n", - priv->ucode_ver); - IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n", - pieces.inst_size); - IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n", - pieces.data_size); - IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n", - pieces.init_size); - IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n", - pieces.init_data_size); - - /* Verify that uCode images will fit in card's SRAM */ - if (pieces.inst_size > hw_params(priv).max_inst_size) { - IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n", - pieces.inst_size); - goto try_again; - } - - if (pieces.data_size > hw_params(priv).max_data_size) { - IWL_ERR(priv, "uCode data len %Zd too large to fit in\n", - pieces.data_size); - goto try_again; - } - - if (pieces.init_size > hw_params(priv).max_inst_size) { - IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n", - pieces.init_size); - goto try_again; - } - - if (pieces.init_data_size > hw_params(priv).max_data_size) { - IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n", - pieces.init_data_size); - goto try_again; - } - - /* Allocate ucode buffers for card's bus-master loading ... */ - - /* Runtime instructions and 2 copies of data: - * 1) unmodified from disk - * 2) backup cache for save/restore during power-downs */ - if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_rt.code, - pieces.inst, pieces.inst_size)) - goto err_pci_alloc; - if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_rt.data, - pieces.data, pieces.data_size)) - goto err_pci_alloc; - - /* Initialization instructions and data */ - if (pieces.init_size && pieces.init_data_size) { - if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_init.code, - pieces.init, pieces.init_size)) - goto err_pci_alloc; - if (iwl_alloc_fw_desc(bus(priv), &trans(priv)->ucode_init.data, - pieces.init_data, pieces.init_data_size)) - goto err_pci_alloc; - } - - /* WoWLAN instructions and data */ - if (pieces.wowlan_inst_size && pieces.wowlan_data_size) { - if (iwl_alloc_fw_desc(bus(priv), - &trans(priv)->ucode_wowlan.code, - pieces.wowlan_inst, - pieces.wowlan_inst_size)) - goto err_pci_alloc; - if (iwl_alloc_fw_desc(bus(priv), - &trans(priv)->ucode_wowlan.data, - pieces.wowlan_data, - pieces.wowlan_data_size)) - goto err_pci_alloc; - } - - /* Now that we can no longer fail, copy information */ - - /* - * The (size - 16) / 12 formula is based on the information recorded - * for each event, which is of mode 1 (including timestamp) for all - * new microcodes that include this information. - */ - priv->init_evtlog_ptr = pieces.init_evtlog_ptr; - if (pieces.init_evtlog_size) - priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; - else - priv->init_evtlog_size = - cfg(priv)->base_params->max_event_log_size; - priv->init_errlog_ptr = pieces.init_errlog_ptr; - priv->inst_evtlog_ptr = pieces.inst_evtlog_ptr; - if (pieces.inst_evtlog_size) - priv->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; - else - priv->inst_evtlog_size = - cfg(priv)->base_params->max_event_log_size; - priv->inst_errlog_ptr = pieces.inst_errlog_ptr; -#ifndef CONFIG_IWLWIFI_P2P - ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN; -#endif - - priv->new_scan_threshold_behaviour = - !!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); - - if (!(cfg(priv)->sku & EEPROM_SKU_CAP_IPAN_ENABLE)) - ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN; - - /* - * if not PAN, then don't support P2P -- might be a uCode - * packaging bug or due to the eeprom check above - */ - if (!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN)) - ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_P2P; - - if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) { - priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; - priv->shrd->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; - } else { - priv->sta_key_max_num = STA_KEY_MAX_NUM; - priv->shrd->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; - } - /* - * figure out the offset of chain noise reset and gain commands - * base on the size of standard phy calibration commands table size - */ - if (ucode_capa.standard_phy_calibration_size > - IWL_MAX_PHY_CALIBRATE_TBL_SIZE) - ucode_capa.standard_phy_calibration_size = - IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; - - priv->phy_calib_chain_noise_reset_cmd = - ucode_capa.standard_phy_calibration_size; - priv->phy_calib_chain_noise_gain_cmd = - ucode_capa.standard_phy_calibration_size + 1; - - /* initialize all valid contexts */ - iwl_init_context(priv, ucode_capa.flags); - - /************************************************** - * This is still part of probe() in a sense... - * - * 9. Setup and register with mac80211 and debugfs - **************************************************/ - err = iwlagn_mac_setup_register(priv, &ucode_capa); - if (err) - goto out_unbind; - - err = iwl_dbgfs_register(priv, DRV_NAME); - if (err) - IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err); - - /* We have our copies now, allow OS release its copies */ - release_firmware(ucode_raw); - complete(&priv->firmware_loading_complete); - return; - - try_again: - /* try next, if any */ - if (iwl_request_firmware(priv, false)) - goto out_unbind; - release_firmware(ucode_raw); - return; - - err_pci_alloc: - IWL_ERR(priv, "failed to allocate pci memory\n"); - iwl_dealloc_ucode(trans(priv)); - out_unbind: - complete(&priv->firmware_loading_complete); - device_release_driver(bus(priv)->dev); - release_firmware(ucode_raw); -} - static void iwl_rf_kill_ct_config(struct iwl_priv *priv) { struct iwl_ct_kill_config cmd; struct iwl_ct_kill_throttling_config adv_cmd; - unsigned long flags; int ret = 0; - spin_lock_irqsave(&priv->shrd->lock, flags); - iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, + iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); - spin_unlock_irqrestore(&priv->shrd->lock, flags); + priv->thermal_throttle.ct_kill_toggle = false; if (cfg(priv)->base_params->support_ct_kill_exit) { @@ -1131,7 +563,7 @@ static void iwl_rf_kill_ct_config(struct iwl_priv *priv) adv_cmd.critical_temperature_exit = cpu_to_le32(hw_params(priv).ct_kill_exit_threshold); - ret = iwl_trans_send_cmd_pdu(trans(priv), + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, CMD_SYNC, sizeof(adv_cmd), &adv_cmd); if (ret) @@ -1146,7 +578,7 @@ static void iwl_rf_kill_ct_config(struct iwl_priv *priv) cmd.critical_temperature_R = cpu_to_le32(hw_params(priv).ct_kill_threshold); - ret = iwl_trans_send_cmd_pdu(trans(priv), + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, CMD_SYNC, sizeof(cmd), &cmd); if (ret) @@ -1172,7 +604,7 @@ static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg) calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_RT_CFG_ALL; calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg); - return iwl_trans_send_cmd(trans(priv), &cmd); + return iwl_dvm_send_cmd(priv, &cmd); } @@ -1182,9 +614,9 @@ static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) .valid = cpu_to_le32(valid_tx_ant), }; - if (IWL_UCODE_API(priv->ucode_ver) > 1) { + if (IWL_UCODE_API(priv->fw->ucode_ver) > 1) { IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant); - return iwl_trans_send_cmd_pdu(trans(priv), + return iwl_dvm_send_cmd_pdu(priv, TX_ANT_CONFIGURATION_CMD, CMD_SYNC, sizeof(struct iwl_tx_ant_config_cmd), @@ -1205,20 +637,22 @@ int iwl_alive_start(struct iwl_priv *priv) int ret = 0; struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - /*TODO: this should go to the transport layer */ - iwl_reset_ict(trans(priv)); - IWL_DEBUG_INFO(priv, "Runtime Alive received.\n"); /* After the ALIVE response, we can send host commands to the uCode */ - set_bit(STATUS_ALIVE, &priv->shrd->status); + set_bit(STATUS_ALIVE, &priv->status); /* Enable watchdog to monitor the driver tx queues */ iwl_setup_watchdog(priv); - if (iwl_is_rfkill(priv->shrd)) + if (iwl_is_rfkill(priv)) return -ERFKILL; + if (priv->event_log.ucode_trace) { + /* start collecting data now */ + mod_timer(&priv->ucode_trace, jiffies); + } + /* download priority table before any calibration request */ if (cfg(priv)->bt_params && cfg(priv)->bt_params->advanced_bt_coexist) { @@ -1235,14 +669,14 @@ int iwl_alive_start(struct iwl_priv *priv) priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS; priv->cur_rssi_ctx = NULL; - iwl_send_prio_tbl(trans(priv)); + iwl_send_prio_tbl(priv); /* FIXME: w/a to force change uCode BT state machine */ - ret = iwl_send_bt_env(trans(priv), IWL_BT_COEX_ENV_OPEN, + ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); if (ret) return ret; - ret = iwl_send_bt_env(trans(priv), IWL_BT_COEX_ENV_CLOSE, + ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE, BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); if (ret) return ret; @@ -1263,9 +697,9 @@ int iwl_alive_start(struct iwl_priv *priv) priv->active_rate = IWL_RATES_MASK; /* Configure Tx antenna selection based on H/W config */ - iwlagn_send_tx_ant_config(priv, cfg(priv)->valid_tx_ant); + iwlagn_send_tx_ant_config(priv, hw_params(priv).valid_tx_ant); - if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) { + if (iwl_is_associated_ctx(ctx) && !priv->wowlan) { struct iwl_rxon_cmd *active_rxon = (struct iwl_rxon_cmd *)&ctx->active; /* apply any changes in staging */ @@ -1280,12 +714,12 @@ int iwl_alive_start(struct iwl_priv *priv) iwlagn_set_rxon_chain(priv, ctx); } - if (!priv->shrd->wowlan) { + if (!priv->wowlan) { /* WoWLAN ucode will not reply in the same way, skip it */ iwl_reset_run_time_calib(priv); } - set_bit(STATUS_READY, &priv->shrd->status); + set_bit(STATUS_READY, &priv->status); /* Configure the adapter for unassociated operation */ ret = iwlagn_commit_rxon(priv, ctx); @@ -1300,14 +734,48 @@ int iwl_alive_start(struct iwl_priv *priv) return iwl_power_update_mode(priv, true); } -static void iwl_cancel_deferred_work(struct iwl_priv *priv); +/** + * iwl_clear_driver_stations - clear knowledge of all stations from driver + * @priv: iwl priv struct + * + * This is called during iwl_down() to make sure that in the case + * we're coming there from a hardware restart mac80211 will be + * able to reconfigure stations -- if we're getting there in the + * normal down flow then the stations will already be cleared. + */ +static void iwl_clear_driver_stations(struct iwl_priv *priv) +{ + struct iwl_rxon_context *ctx; + + spin_lock_bh(&priv->sta_lock); + memset(priv->stations, 0, sizeof(priv->stations)); + priv->num_stations = 0; -void __iwl_down(struct iwl_priv *priv) + priv->ucode_key_table = 0; + + for_each_context(priv, ctx) { + /* + * Remove all key information that is not stored as part + * of station information since mac80211 may not have had + * a chance to remove all the keys. When device is + * reconfigured by mac80211 after an error all keys will + * be reconfigured. + */ + memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); + ctx->key_mapping_keys = 0; + } + + spin_unlock_bh(&priv->sta_lock); +} + +void iwl_down(struct iwl_priv *priv) { int exit_pending; IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n"); + lockdep_assert_held(&priv->mutex); + iwl_scan_cancel_timeout(priv, 200); /* @@ -1318,7 +786,7 @@ void __iwl_down(struct iwl_priv *priv) ieee80211_remain_on_channel_expired(priv->hw); exit_pending = - test_and_set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); + test_and_set_bit(STATUS_EXIT_PENDING, &priv->status); /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set * to prevent rearm timer */ @@ -1343,37 +811,29 @@ void __iwl_down(struct iwl_priv *priv) /* Wipe out the EXIT_PENDING status bit if we are not actually * exiting the module */ if (!exit_pending) - clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); + clear_bit(STATUS_EXIT_PENDING, &priv->status); if (priv->mac80211_registered) ieee80211_stop_queues(priv->hw); + priv->ucode_loaded = false; iwl_trans_stop_device(trans(priv)); /* Clear out all status bits but a few that are stable across reset */ - priv->shrd->status &= - test_bit(STATUS_RF_KILL_HW, &priv->shrd->status) << + priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << STATUS_RF_KILL_HW | - test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) << + test_bit(STATUS_GEO_CONFIGURED, &priv->status) << STATUS_GEO_CONFIGURED | - test_bit(STATUS_FW_ERROR, &priv->shrd->status) << - STATUS_FW_ERROR | - test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) << + test_bit(STATUS_EXIT_PENDING, &priv->status) << STATUS_EXIT_PENDING; + priv->shrd->status &= + test_bit(STATUS_FW_ERROR, &priv->shrd->status) << + STATUS_FW_ERROR; dev_kfree_skb(priv->beacon_skb); priv->beacon_skb = NULL; } -void iwl_down(struct iwl_priv *priv) -{ - mutex_lock(&priv->shrd->mutex); - __iwl_down(priv); - mutex_unlock(&priv->shrd->mutex); - - iwl_cancel_deferred_work(priv); -} - /***************************************************************************** * * Workqueue callbacks @@ -1385,11 +845,11 @@ static void iwl_bg_run_time_calib_work(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, run_time_calib_work); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || - test_bit(STATUS_SCANNING, &priv->shrd->status)) { - mutex_unlock(&priv->shrd->mutex); + if (test_bit(STATUS_EXIT_PENDING, &priv->status) || + test_bit(STATUS_SCANNING, &priv->status)) { + mutex_unlock(&priv->mutex); return; } @@ -1398,7 +858,7 @@ static void iwl_bg_run_time_calib_work(struct work_struct *work) iwl_sensitivity_calibration(priv); } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } void iwlagn_prepare_restart(struct iwl_priv *priv) @@ -1410,7 +870,7 @@ void iwlagn_prepare_restart(struct iwl_priv *priv) u8 bt_status; bool bt_is_sco; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); for_each_context(priv, ctx) ctx->vif = NULL; @@ -1431,7 +891,7 @@ void iwlagn_prepare_restart(struct iwl_priv *priv) bt_status = priv->bt_status; bt_is_sco = priv->bt_is_sco; - __iwl_down(priv); + iwl_down(priv); priv->bt_full_concurrent = bt_full_concurrent; priv->bt_ci_compliance = bt_ci_compliance; @@ -1444,13 +904,13 @@ static void iwl_bg_restart(struct work_struct *data) { struct iwl_priv *priv = container_of(data, struct iwl_priv, restart); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) { - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwlagn_prepare_restart(priv); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); iwl_cancel_deferred_work(priv); ieee80211_restart_hw(priv->hw); } else { @@ -1465,7 +925,7 @@ void iwlagn_disable_roc(struct iwl_priv *priv) { struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); if (!priv->hw_roc_setup) return; @@ -1488,9 +948,9 @@ static void iwlagn_disable_roc_work(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, hw_roc_disable_work.work); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwlagn_disable_roc(priv); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } /***************************************************************************** @@ -1501,9 +961,7 @@ static void iwlagn_disable_roc_work(struct work_struct *work) static void iwl_setup_deferred_work(struct iwl_priv *priv) { - priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME); - - init_waitqueue_head(&priv->shrd->wait_command_queue); + priv->workqueue = create_singlethread_workqueue(DRV_NAME); INIT_WORK(&priv->restart, iwl_bg_restart); INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); @@ -1516,8 +974,8 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) iwl_setup_scan_deferred_work(priv); - if (cfg(priv)->lib->bt_setup_deferred_work) - cfg(priv)->lib->bt_setup_deferred_work(priv); + if (cfg(priv)->bt_params) + iwlagn_bt_setup_deferred_work(priv); init_timer(&priv->statistics_periodic); priv->statistics_periodic.data = (unsigned long)priv; @@ -1532,10 +990,10 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) priv->watchdog.function = iwl_bg_watchdog; } -static void iwl_cancel_deferred_work(struct iwl_priv *priv) +void iwl_cancel_deferred_work(struct iwl_priv *priv) { - if (cfg(priv)->lib->cancel_deferred_work) - cfg(priv)->lib->cancel_deferred_work(priv); + if (cfg(priv)->bt_params) + iwlagn_bt_cancel_deferred_work(priv); cancel_work_sync(&priv->run_time_calib_work); cancel_work_sync(&priv->beacon_update); @@ -1550,8 +1008,7 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv) del_timer_sync(&priv->ucode_trace); } -static void iwl_init_hw_rates(struct iwl_priv *priv, - struct ieee80211_rate *rates) +static void iwl_init_hw_rates(struct ieee80211_rate *rates) { int i; @@ -1575,21 +1032,26 @@ static int iwl_init_drv(struct iwl_priv *priv) { int ret; - spin_lock_init(&priv->shrd->sta_lock); + spin_lock_init(&priv->sta_lock); - mutex_init(&priv->shrd->mutex); + mutex_init(&priv->mutex); - INIT_LIST_HEAD(&trans(priv)->calib_results); + INIT_LIST_HEAD(&priv->calib_results); priv->ieee_channels = NULL; priv->ieee_rates = NULL; priv->band = IEEE80211_BAND_2GHZ; + priv->plcp_delta_threshold = + cfg(priv)->base_params->plcp_delta_threshold; + priv->iw_mode = NL80211_IFTYPE_STATION; priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF; priv->agg_tids_count = 0; + priv->ucode_owner = IWL_OWNERSHIP_DRIVER; + /* initialize force reset */ priv->force_reset[IWL_RF_RESET].reset_duration = IWL_DELAY_NEXT_FORCE_RF_RESET; @@ -1625,7 +1087,7 @@ static int iwl_init_drv(struct iwl_priv *priv) IWL_ERR(priv, "initializing geos failed: %d\n", ret); goto err_free_channel_map; } - iwl_init_hw_rates(priv, priv->ieee_rates); + iwl_init_hw_rates(priv->ieee_rates); return 0; @@ -1639,29 +1101,25 @@ static void iwl_uninit_drv(struct iwl_priv *priv) { iwl_free_geos(priv); iwl_free_channel_map(priv); - if (priv->tx_cmd_pool) - kmem_cache_destroy(priv->tx_cmd_pool); kfree(priv->scan_cmd); kfree(priv->beacon_cmd); kfree(rcu_dereference_raw(priv->noa_data)); + iwl_calib_free_results(priv); #ifdef CONFIG_IWLWIFI_DEBUGFS kfree(priv->wowlan_sram); #endif } - - -static u32 iwl_hw_detect(struct iwl_priv *priv) -{ - return iwl_read32(bus(priv), CSR_HW_REV); -} - /* Size of one Rx buffer in host DRAM */ #define IWL_RX_BUF_SIZE_4K (4 * 1024) #define IWL_RX_BUF_SIZE_8K (8 * 1024) -static int iwl_set_hw_params(struct iwl_priv *priv) +static void iwl_set_hw_params(struct iwl_priv *priv) { + if (cfg(priv)->ht_params) + hw_params(priv).use_rts_for_aggregation = + cfg(priv)->ht_params->use_rts_for_aggregation; + if (iwlagn_mod_params.amsdu_size_8K) hw_params(priv).rx_page_order = get_order(IWL_RX_BUF_SIZE_8K); @@ -1670,49 +1128,46 @@ static int iwl_set_hw_params(struct iwl_priv *priv) get_order(IWL_RX_BUF_SIZE_4K); if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL) - cfg(priv)->sku &= ~EEPROM_SKU_CAP_11N_ENABLE; + hw_params(priv).sku &= ~EEPROM_SKU_CAP_11N_ENABLE; hw_params(priv).num_ampdu_queues = cfg(priv)->base_params->num_of_ampdu_queues; - hw_params(priv).shadow_reg_enable = - cfg(priv)->base_params->shadow_reg_enable; - hw_params(priv).sku = cfg(priv)->sku; hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout; /* Device-specific setup */ - return cfg(priv)->lib->set_hw_params(priv); + cfg(priv)->lib->set_hw_params(priv); } static void iwl_debug_config(struct iwl_priv *priv) { - dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEBUG " + dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUG " #ifdef CONFIG_IWLWIFI_DEBUG "enabled\n"); #else "disabled\n"); #endif - dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS " + dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS " #ifdef CONFIG_IWLWIFI_DEBUGFS "enabled\n"); #else "disabled\n"); #endif - dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING " + dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING " #ifdef CONFIG_IWLWIFI_DEVICE_TRACING "enabled\n"); #else "disabled\n"); #endif - dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE " + dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE " #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE "enabled\n"); #else "disabled\n"); #endif - dev_printk(KERN_INFO, bus(priv)->dev, "CONFIG_IWLWIFI_P2P " + dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_P2P " #ifdef CONFIG_IWLWIFI_P2P "enabled\n"); #else @@ -1720,46 +1175,77 @@ static void iwl_debug_config(struct iwl_priv *priv) #endif } -int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, - struct iwl_cfg *cfg) +static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, + const struct iwl_fw *fw) { int err = 0; struct iwl_priv *priv; struct ieee80211_hw *hw; + struct iwl_op_mode *op_mode; u16 num_mac; - u32 hw_rev; + u32 ucode_flags; + struct iwl_trans_config trans_cfg; + static const u8 no_reclaim_cmds[] = { + REPLY_RX_PHY_CMD, + REPLY_RX, + REPLY_RX_MPDU_CMD, + REPLY_COMPRESSED_BA, + STATISTICS_NOTIFICATION, + REPLY_TX, + }; /************************ * 1. Allocating HW data ************************/ hw = iwl_alloc_all(); if (!hw) { - pr_err("%s: Cannot allocate network device\n", cfg->name); + pr_err("%s: Cannot allocate network device\n", + cfg(trans)->name); err = -ENOMEM; goto out; } - priv = hw->priv; - priv->shrd = &priv->_shrd; - bus->shrd = priv->shrd; - priv->shrd->bus = bus; - priv->shrd->priv = priv; + op_mode = hw->priv; + op_mode->ops = &iwl_dvm_ops; + priv = IWL_OP_MODE_GET_DVM(op_mode); + priv->shrd = trans->shrd; + priv->fw = fw; + /* TODO: remove fw from shared data later */ + priv->shrd->fw = fw; - priv->shrd->trans = trans_ops->alloc(priv->shrd); - if (priv->shrd->trans == NULL) { - err = -ENOMEM; - goto out_free_traffic_mem; + /* + * Populate the state variables that the transport layer needs + * to know about. + */ + trans_cfg.op_mode = op_mode; + trans_cfg.no_reclaim_cmds = no_reclaim_cmds; + trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); + + ucode_flags = fw->ucode_capa.flags; + +#ifndef CONFIG_IWLWIFI_P2P + ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; +#endif + + if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) { + priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; + trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; + } else { + priv->sta_key_max_num = STA_KEY_MAX_NUM; + trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; } + /* Configure transport layer */ + iwl_trans_configure(trans(priv), &trans_cfg); + /* At this point both hw and priv are allocated. */ - SET_IEEE80211_DEV(hw, bus(priv)->dev); + SET_IEEE80211_DEV(priv->hw, trans(priv)->dev); - /* what debugging capabilities we have */ + /* show what debugging capabilities we have */ iwl_debug_config(priv); IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); - cfg(priv) = cfg; /* is antenna coupling more than 35dB ? */ priv->bt_ant_couple_ok = @@ -1778,47 +1264,34 @@ int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, /* these spin locks will be used in apm_ops.init and EEPROM access * we should init now */ - spin_lock_init(&bus(priv)->reg_lock); - spin_lock_init(&priv->shrd->lock); - - /* - * stop and reset the on-board processor just in case it is in a - * strange state ... like being left stranded by a primary kernel - * and this is now the kdump kernel trying to start up - */ - iwl_write32(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); + spin_lock_init(&trans(priv)->reg_lock); + spin_lock_init(&priv->statistics.lock); /*********************** - * 3. Read REV register + * 2. Read REV register ***********************/ - hw_rev = iwl_hw_detect(priv); IWL_INFO(priv, "Detected %s, REV=0x%X\n", - cfg(priv)->name, hw_rev); + cfg(priv)->name, trans(priv)->hw_rev); - err = iwl_trans_request_irq(trans(priv)); + err = iwl_trans_start_hw(trans(priv)); if (err) - goto out_free_trans; - - if (iwl_trans_prepare_card_hw(trans(priv))) { - err = -EIO; - IWL_WARN(priv, "Failed, HW not ready\n"); - goto out_free_trans; - } + goto out_free_traffic_mem; /***************** - * 4. Read EEPROM + * 3. Read EEPROM *****************/ - /* Read the EEPROM */ - err = iwl_eeprom_init(priv, hw_rev); + err = iwl_eeprom_init(trans(priv), trans(priv)->hw_rev); + /* Reset chip to save power until we load uCode during "up". */ + iwl_trans_stop_hw(trans(priv)); if (err) { IWL_ERR(priv, "Unable to init EEPROM\n"); - goto out_free_trans; + goto out_free_traffic_mem; } err = iwl_eeprom_check_version(priv); if (err) goto out_free_eeprom; - err = iwl_eeprom_check_sku(priv); + err = iwl_eeprom_init_hw_params(priv); if (err) goto out_free_eeprom; @@ -1836,16 +1309,27 @@ int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, } /************************ - * 5. Setup HW constants + * 4. Setup HW constants ************************/ - if (iwl_set_hw_params(priv)) { - err = -ENOENT; - IWL_ERR(priv, "failed to set hw parameters\n"); - goto out_free_eeprom; + iwl_set_hw_params(priv); + + if (!(hw_params(priv).sku & EEPROM_SKU_CAP_IPAN_ENABLE)) { + IWL_DEBUG_INFO(priv, "Your EEPROM disabled PAN"); + ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; + /* + * if not PAN, then don't support P2P -- might be a uCode + * packaging bug or due to the eeprom check above + */ + ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; + priv->sta_key_max_num = STA_KEY_MAX_NUM; + trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; + + /* Configure transport layer again*/ + iwl_trans_configure(trans(priv), &trans_cfg); } /******************* - * 6. Setup priv + * 5. Setup priv *******************/ err = iwl_init_drv(priv); @@ -1854,92 +1338,90 @@ int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, /* At this point both hw and priv are initialized. */ /******************** - * 7. Setup services + * 6. Setup services ********************/ iwl_setup_deferred_work(priv); iwl_setup_rx_handlers(priv); iwl_testmode_init(priv); - /********************************************* - * 8. Enable interrupts - *********************************************/ - - iwl_enable_rfkill_int(priv); + iwl_power_initialize(priv); + iwl_tt_initialize(priv); - /* If platform's RF_KILL switch is NOT set to KILL */ - if (iwl_read32(bus(priv), - CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) - clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status); - else - set_bit(STATUS_RF_KILL_HW, &priv->shrd->status); + snprintf(priv->hw->wiphy->fw_version, + sizeof(priv->hw->wiphy->fw_version), + "%s", fw->fw_version); - wiphy_rfkill_set_hw_state(priv->hw->wiphy, - test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); + priv->new_scan_threshold_behaviour = + !!(ucode_flags & IWL_UCODE_TLV_FLAGS_NEWSCAN); - iwl_power_initialize(priv); - iwl_tt_initialize(priv); + priv->phy_calib_chain_noise_reset_cmd = + fw->ucode_capa.standard_phy_calibration_size; + priv->phy_calib_chain_noise_gain_cmd = + fw->ucode_capa.standard_phy_calibration_size + 1; - init_completion(&priv->firmware_loading_complete); + /* initialize all valid contexts */ + iwl_init_context(priv, ucode_flags); - err = iwl_request_firmware(priv, true); + /************************************************** + * This is still part of probe() in a sense... + * + * 7. Setup and register with mac80211 and debugfs + **************************************************/ + err = iwlagn_mac_setup_register(priv, &fw->ucode_capa); if (err) goto out_destroy_workqueue; - return 0; + err = iwl_dbgfs_register(priv, DRV_NAME); + if (err) + IWL_ERR(priv, + "failed to create debugfs files. Ignoring error: %d\n", + err); + + return op_mode; out_destroy_workqueue: - destroy_workqueue(priv->shrd->workqueue); - priv->shrd->workqueue = NULL; + destroy_workqueue(priv->workqueue); + priv->workqueue = NULL; iwl_uninit_drv(priv); out_free_eeprom: iwl_eeprom_free(priv->shrd); -out_free_trans: - iwl_trans_free(trans(priv)); out_free_traffic_mem: iwl_free_traffic_mem(priv); ieee80211_free_hw(priv->hw); out: - return err; + op_mode = NULL; + return op_mode; } -void __devexit iwl_remove(struct iwl_priv * priv) +static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode) { - wait_for_completion(&priv->firmware_loading_complete); + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n"); iwl_dbgfs_unregister(priv); - /* ieee80211_unregister_hw call wil cause iwlagn_mac_stop to - * to be called and iwl_down since we are removing the device - * we need to set STATUS_EXIT_PENDING bit. - */ - set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); - iwl_testmode_cleanup(priv); iwlagn_mac_unregister(priv); iwl_tt_exit(priv); /*This will stop the queues, move the device to low power state */ + priv->ucode_loaded = false; iwl_trans_stop_device(trans(priv)); - iwl_dealloc_ucode(trans(priv)); - iwl_eeprom_free(priv->shrd); /*netif_stop_queue(dev); */ - flush_workqueue(priv->shrd->workqueue); + flush_workqueue(priv->workqueue); /* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes - * priv->shrd->workqueue... so we can't take down the workqueue + * priv->workqueue... so we can't take down the workqueue * until now... */ - destroy_workqueue(priv->shrd->workqueue); - priv->shrd->workqueue = NULL; + destroy_workqueue(priv->workqueue); + priv->workqueue = NULL; iwl_free_traffic_mem(priv); - iwl_trans_free(trans(priv)); - iwl_uninit_drv(priv); dev_kfree_skb(priv->beacon_skb); @@ -1947,12 +1429,81 @@ void __devexit iwl_remove(struct iwl_priv * priv) ieee80211_free_hw(priv->hw); } +static void iwl_cmd_queue_full(struct iwl_op_mode *op_mode) +{ + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + + if (!iwl_check_for_ct_kill(priv)) { + IWL_ERR(priv, "Restarting adapter queue is full\n"); + iwl_nic_error(op_mode); + } +} + +static void iwl_nic_config(struct iwl_op_mode *op_mode) +{ + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + + cfg(priv)->lib->nic_config(priv); +} + +static void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac) +{ + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + + set_bit(ac, &priv->transport_queue_stop); + ieee80211_stop_queue(priv->hw, ac); +} + +static void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, u8 ac) +{ + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + + clear_bit(ac, &priv->transport_queue_stop); + + if (!priv->passive_no_rx) + ieee80211_wake_queue(priv->hw, ac); +} + +void iwlagn_lift_passive_no_rx(struct iwl_priv *priv) +{ + int ac; + + if (!priv->passive_no_rx) + return; + + for (ac = IEEE80211_AC_VO; ac < IEEE80211_NUM_ACS; ac++) { + if (!test_bit(ac, &priv->transport_queue_stop)) { + IWL_DEBUG_TX_QUEUES(priv, "Wake queue %d"); + ieee80211_wake_queue(priv->hw, ac); + } else { + IWL_DEBUG_TX_QUEUES(priv, "Don't wake queue %d"); + } + } + + priv->passive_no_rx = false; +} + +const struct iwl_op_mode_ops iwl_dvm_ops = { + .start = iwl_op_mode_dvm_start, + .stop = iwl_op_mode_dvm_stop, + .rx = iwl_rx_dispatch, + .queue_full = iwl_stop_sw_queue, + .queue_not_full = iwl_wake_sw_queue, + .hw_rf_kill = iwl_set_hw_rfkill_state, + .free_skb = iwl_free_skb, + .nic_error = iwl_nic_error, + .cmd_queue_full = iwl_cmd_queue_full, + .nic_config = iwl_nic_config, +}; /***************************************************************************** * * driver and module entry point * *****************************************************************************/ + +struct kmem_cache *iwl_tx_cmd_pool; + static int __init iwl_init(void) { @@ -1960,20 +1511,27 @@ static int __init iwl_init(void) pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); pr_info(DRV_COPYRIGHT "\n"); + iwl_tx_cmd_pool = kmem_cache_create("iwl_dev_cmd", + sizeof(struct iwl_device_cmd), + sizeof(void *), 0, NULL); + if (!iwl_tx_cmd_pool) + return -ENOMEM; + ret = iwlagn_rate_control_register(); if (ret) { pr_err("Unable to register rate control algorithm: %d\n", ret); - return ret; + goto error_rc_register; } ret = iwl_pci_register_driver(); - if (ret) - goto error_register; + goto error_pci_register; return ret; -error_register: +error_pci_register: iwlagn_rate_control_unregister(); +error_rc_register: + kmem_cache_destroy(iwl_tx_cmd_pool); return ret; } @@ -1981,6 +1539,7 @@ static void __exit iwl_exit(void) { iwl_pci_unregister_driver(); iwlagn_rate_control_unregister(); + kmem_cache_destroy(iwl_tx_cmd_pool); } module_exit(iwl_exit); @@ -1994,8 +1553,6 @@ MODULE_PARM_DESC(debug, "debug output mask"); module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); -module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO); -MODULE_PARM_DESC(queues_num, "number of hw queues."); module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO); MODULE_PARM_DESC(11n_disable, "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX"); @@ -2054,7 +1611,7 @@ MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); MODULE_PARM_DESC(led_mode, "0=system default, " - "1=On(RF On)/Off(RF Off), 2=blinking (default: 0)"); + "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); module_param_named(power_save, iwlagn_mod_params.power_save, bool, S_IRUGO); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index f84fb3c53563..3780a03f2716 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -65,16 +65,10 @@ #include "iwl-dev.h" -struct iwlagn_ucode_capabilities { - u32 max_probe_length; - u32 standard_phy_calibration_size; - u32 flags; -}; +struct iwl_ucode_capabilities; extern struct ieee80211_ops iwlagn_hw_ops; -int iwl_reset_ict(struct iwl_trans *trans); - static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd) { hdr->op_code = cmd; @@ -83,16 +77,31 @@ static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd) hdr->data_valid = 1; } -void __iwl_down(struct iwl_priv *priv); void iwl_down(struct iwl_priv *priv); +void iwl_cancel_deferred_work(struct iwl_priv *priv); void iwlagn_prepare_restart(struct iwl_priv *priv); +void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb); +int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state); +void iwl_nic_error(struct iwl_op_mode *op_mode); + +bool iwl_check_for_ct_kill(struct iwl_priv *priv); + +void iwlagn_lift_passive_no_rx(struct iwl_priv *priv); /* MAC80211 */ struct ieee80211_hw *iwl_alloc_all(void); int iwlagn_mac_setup_register(struct iwl_priv *priv, - struct iwlagn_ucode_capabilities *capa); + const struct iwl_ucode_capabilities *capa); void iwlagn_mac_unregister(struct iwl_priv *priv); +/* commands */ +int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); +int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id, + u32 flags, u16 len, const void *data); + /* RXON */ int iwlagn_set_pan_params(struct iwl_priv *priv); int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx); @@ -107,8 +116,18 @@ void iwlagn_config_ht40(struct ieee80211_conf *conf, /* uCode */ int iwlagn_rx_calib_result(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd); +int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type); +void iwl_send_prio_tbl(struct iwl_priv *priv); +int iwl_init_alive_start(struct iwl_priv *priv); +int iwl_run_init_ucode(struct iwl_priv *priv); +int iwl_load_ucode_wait_alive(struct iwl_priv *priv, + enum iwl_ucode_type ucode_type); +int iwl_send_calib_results(struct iwl_priv *priv); +int iwl_calib_set(struct iwl_priv *priv, + const struct iwl_calib_hdr *cmd, int len); +void iwl_calib_free_results(struct iwl_priv *priv); /* lib */ int iwlagn_send_tx_power(struct iwl_priv *priv); @@ -120,8 +139,7 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv); #ifdef CONFIG_PM_SLEEP int iwlagn_send_patterns(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan); -int iwlagn_suspend(struct iwl_priv *priv, - struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); +int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan); #endif /* rx */ @@ -138,9 +156,9 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif, int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid); int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd); -int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, +int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd); static inline u32 iwl_tx_status_to_mac80211(u32 status) @@ -175,7 +193,7 @@ void iwlagn_disable_roc(struct iwl_priv *priv); /* bt coex */ void iwlagn_send_advance_bt_config(struct iwl_priv *priv); int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd); void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv); void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv); @@ -216,6 +234,8 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, struct ieee80211_sta *sta, u8 *sta_id_r); int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, const u8 *addr); +void iwl_deactivate_station(struct iwl_priv *priv, const u8 sta_id, + const u8 *addr); u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, const u8 *addr, bool is_ap, struct ieee80211_sta *sta); @@ -223,46 +243,12 @@ void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx, u8 sta_id, struct iwl_link_quality_cmd *link_cmd); int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, struct iwl_link_quality_cmd *lq, u8 flags, bool init); -void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx); -int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb, +int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd); +int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx, + struct ieee80211_sta *sta); -/** - * iwl_clear_driver_stations - clear knowledge of all stations from driver - * @priv: iwl priv struct - * - * This is called during iwl_down() to make sure that in the case - * we're coming there from a hardware restart mac80211 will be - * able to reconfigure stations -- if we're getting there in the - * normal down flow then the stations will already be cleared. - */ -static inline void iwl_clear_driver_stations(struct iwl_priv *priv) -{ - unsigned long flags; - struct iwl_rxon_context *ctx; - - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - memset(priv->stations, 0, sizeof(priv->stations)); - priv->num_stations = 0; - - priv->ucode_key_table = 0; - - for_each_context(priv, ctx) { - /* - * Remove all key information that is not stored as part - * of station information since mac80211 may not have had - * a chance to remove all the keys. When device is - * reconfigured by mac80211 after an error all keys will - * be reconfigured. - */ - memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys)); - ctx->key_mapping_keys = 0; - } - - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); -} - static inline int iwl_sta_id(struct ieee80211_sta *sta) { if (WARN_ON(!sta)) @@ -271,37 +257,6 @@ static inline int iwl_sta_id(struct ieee80211_sta *sta) return ((struct iwl_station_priv *)sta->drv_priv)->sta_id; } -/** - * iwl_sta_id_or_broadcast - return sta_id or broadcast sta - * @priv: iwl priv - * @context: the current context - * @sta: mac80211 station - * - * In certain circumstances mac80211 passes a station pointer - * that may be %NULL, for example during TX or key setup. In - * that case, we need to use the broadcast station, so this - * inline wraps that pattern. - */ -static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv, - struct iwl_rxon_context *context, - struct ieee80211_sta *sta) -{ - int sta_id; - - if (!sta) - return context->bcast_sta_id; - - sta_id = iwl_sta_id(sta); - - /* - * mac80211 should not be passing a partially - * initialised station! - */ - WARN_ON(sta_id == IWL_INVALID_STATION); - - return sta_id; -} - int iwlagn_alloc_bcast_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx); int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, @@ -351,7 +306,6 @@ static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags) } /* eeprom */ -void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv); void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac); extern int iwl_alive_start(struct iwl_priv *priv); @@ -388,4 +342,68 @@ void iwl_testmode_cleanup(struct iwl_priv *priv) } #endif +#ifdef CONFIG_IWLWIFI_DEBUG +void iwl_print_rx_config_cmd(struct iwl_priv *priv, + enum iwl_rxon_context_id ctxid); +#else +static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, + enum iwl_rxon_context_id ctxid) +{ +} +#endif + +/* status checks */ + +static inline int iwl_is_ready(struct iwl_priv *priv) +{ + /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are + * set but EXIT_PENDING is not */ + return test_bit(STATUS_READY, &priv->status) && + test_bit(STATUS_GEO_CONFIGURED, &priv->status) && + !test_bit(STATUS_EXIT_PENDING, &priv->status); +} + +static inline int iwl_is_alive(struct iwl_priv *priv) +{ + return test_bit(STATUS_ALIVE, &priv->status); +} + +static inline int iwl_is_rfkill(struct iwl_priv *priv) +{ + return test_bit(STATUS_RF_KILL_HW, &priv->status); +} + +static inline int iwl_is_ctkill(struct iwl_priv *priv) +{ + return test_bit(STATUS_CT_KILL, &priv->status); +} + +static inline int iwl_is_ready_rf(struct iwl_priv *priv) +{ + if (iwl_is_rfkill(priv)) + return 0; + + return iwl_is_ready(priv); +} + +#ifdef CONFIG_IWLWIFI_DEBUG +#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \ +do { \ + if (!iwl_is_rfkill((m))) \ + IWL_ERR(m, fmt, ##args); \ + else \ + __iwl_err(trans(m)->dev, true, \ + !iwl_have_debug_level(IWL_DL_RADIO), \ + fmt, ##args); \ +} while (0) +#else +#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \ +do { \ + if (!iwl_is_rfkill((m))) \ + IWL_ERR(m, fmt, ##args); \ + else \ + __iwl_err(trans(m)->dev, true, true, fmt, ##args); \ +} while (0) +#endif /* CONFIG_IWLWIFI_DEBUG */ + #endif /* __iwl_agn_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-bus.h b/drivers/net/wireless/iwlwifi/iwl-bus.h deleted file mode 100644 index 940d5038b39c..000000000000 --- a/drivers/net/wireless/iwlwifi/iwl-bus.h +++ /dev/null @@ -1,209 +0,0 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, - * USA - * - * The full GNU General Public License is included in this distribution - * in the file called LICENSE.GPL. - * - * Contact Information: - * Intel Linux Wireless <ilw@linux.intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ -#ifndef __iwl_bus_h__ -#define __iwl_bus_h__ - -#include <linux/types.h> -#include <linux/spinlock.h> - -/** - * DOC: Bus layer - role and goal - * - * iwl-bus.h defines the API to the bus layer of the iwlwifi driver. - * The bus layer is responsible for doing very basic bus operations that are - * listed in the iwl_bus_ops structure. - * The bus layer registers to the bus driver, advertises the supported HW and - * gets notifications about enumeration, suspend, resume. - * For the moment, the bus layer is not a linux kernel module as itself, and - * the module_init function of the driver must call the bus specific - * registration functions. These functions are listed at the end of this file. - * For the moment, there is only one implementation of this interface: PCI-e. - * This implementation is iwl-pci.c - */ - -/** - * DOC: encapsulation and type safety - * - * The iwl_bus describes the data that is shared amongst all the bus layer - * implementations. This data is visible to other layers. Data in the bus - * specific area is not visible outside the bus specific implementation. - * iwl_bus holds a pointer to iwl_shared which holds pointer to all the other - * layers of the driver (iwl_priv, iwl_trans). In fact, this is the way to go - * when the transport layer needs to call a function of another layer. - * - * In order to achieve encapsulation, iwl_priv cannot be dereferenced from the - * bus layer. Type safety is still kept since functions that gets iwl_priv gets - * a typed pointer (as opposed to void *). - */ - -/** - * DOC: probe flow - * - * The module_init calls the bus specific registration function. The - * registration to the bus layer will trigger an enumeration of the bus which - * will call the bus specific probe function. - * The first thing this function must do is to allocate the memory needed by - * iwl_bus + the bus_specific data. - * Once the bus specific probe function has configured the hardware, it - * chooses the appropriate transport layer and calls iwl_probe that will run - * the bus independent probe flow. - * - * Note: The bus specific code must set the following data in iwl_bus before it - * calls iwl_probe: - * * bus->dev - * * bus->irq - * * bus->ops - */ - -struct iwl_shared; -struct iwl_bus; - -/** - * struct iwl_bus_ops - bus specific operations - * @get_pm_support: must returns true if the bus can go to sleep - * @apm_config: will be called during the config of the APM - * @get_hw_id_string: prints the hw_id in the provided buffer - * @get_hw_id: get hw_id in u32 - * @write8: write a byte to register at offset ofs - * @write32: write a dword to register at offset ofs - * @wread32: read a dword at register at offset ofs - */ -struct iwl_bus_ops { - bool (*get_pm_support)(struct iwl_bus *bus); - void (*apm_config)(struct iwl_bus *bus); - void (*get_hw_id_string)(struct iwl_bus *bus, char buf[], int buf_len); - u32 (*get_hw_id)(struct iwl_bus *bus); - void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val); - void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val); - u32 (*read32)(struct iwl_bus *bus, u32 ofs); -}; - -/** - * struct iwl_bus - bus common data - * - * This data is common to all bus layer implementations. - * - * @dev - pointer to struct device * that represents the device - * @ops - pointer to iwl_bus_ops - * @shrd - pointer to iwl_shared which holds shared data from the upper layer - * NB: for the time being this needs to be set by the upper layer since - * it allocates the shared data - * @irq - the irq number for the device - * @reg_lock - protect hw register access - */ -struct iwl_bus { - struct device *dev; - const struct iwl_bus_ops *ops; - struct iwl_shared *shrd; - - unsigned int irq; - spinlock_t reg_lock; - - /* pointer to bus specific struct */ - /*Ensure that this pointer will always be aligned to sizeof pointer */ - char bus_specific[0] __attribute__((__aligned__(sizeof(void *)))); -}; - -static inline bool bus_get_pm_support(struct iwl_bus *bus) -{ - return bus->ops->get_pm_support(bus); -} - -static inline void bus_apm_config(struct iwl_bus *bus) -{ - bus->ops->apm_config(bus); -} - -static inline void bus_get_hw_id_string(struct iwl_bus *bus, char buf[], - int buf_len) -{ - bus->ops->get_hw_id_string(bus, buf, buf_len); -} - -static inline u32 bus_get_hw_id(struct iwl_bus *bus) -{ - return bus->ops->get_hw_id(bus); -} - -static inline void bus_write8(struct iwl_bus *bus, u32 ofs, u8 val) -{ - bus->ops->write8(bus, ofs, val); -} - -static inline void bus_write32(struct iwl_bus *bus, u32 ofs, u32 val) -{ - bus->ops->write32(bus, ofs, val); -} - -static inline u32 bus_read32(struct iwl_bus *bus, u32 ofs) -{ - return bus->ops->read32(bus, ofs); -} - -/***************************************************** -* Bus layer registration functions -******************************************************/ -int __must_check iwl_pci_register_driver(void); -void iwl_pci_unregister_driver(void); - -#endif /* __iwl_bus_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-cfg.h b/drivers/net/wireless/iwlwifi/iwl-cfg.h index e1d78257e4a9..82152311d73b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-cfg.h +++ b/drivers/net/wireless/iwlwifi/iwl-cfg.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -68,44 +68,46 @@ * This file declares the config structures for all devices. */ -extern struct iwl_cfg iwl5300_agn_cfg; -extern struct iwl_cfg iwl5100_agn_cfg; -extern struct iwl_cfg iwl5350_agn_cfg; -extern struct iwl_cfg iwl5100_bgn_cfg; -extern struct iwl_cfg iwl5100_abg_cfg; -extern struct iwl_cfg iwl5150_agn_cfg; -extern struct iwl_cfg iwl5150_abg_cfg; -extern struct iwl_cfg iwl6005_2agn_cfg; -extern struct iwl_cfg iwl6005_2abg_cfg; -extern struct iwl_cfg iwl6005_2bg_cfg; -extern struct iwl_cfg iwl6005_2agn_sff_cfg; -extern struct iwl_cfg iwl6005_2agn_d_cfg; -extern struct iwl_cfg iwl1030_bgn_cfg; -extern struct iwl_cfg iwl1030_bg_cfg; -extern struct iwl_cfg iwl6030_2agn_cfg; -extern struct iwl_cfg iwl6030_2abg_cfg; -extern struct iwl_cfg iwl6030_2bgn_cfg; -extern struct iwl_cfg iwl6030_2bg_cfg; -extern struct iwl_cfg iwl6000i_2agn_cfg; -extern struct iwl_cfg iwl6000i_2abg_cfg; -extern struct iwl_cfg iwl6000i_2bg_cfg; -extern struct iwl_cfg iwl6000_3agn_cfg; -extern struct iwl_cfg iwl6050_2agn_cfg; -extern struct iwl_cfg iwl6050_2abg_cfg; -extern struct iwl_cfg iwl6150_bgn_cfg; -extern struct iwl_cfg iwl6150_bg_cfg; -extern struct iwl_cfg iwl1000_bgn_cfg; -extern struct iwl_cfg iwl1000_bg_cfg; -extern struct iwl_cfg iwl100_bgn_cfg; -extern struct iwl_cfg iwl100_bg_cfg; -extern struct iwl_cfg iwl130_bgn_cfg; -extern struct iwl_cfg iwl130_bg_cfg; -extern struct iwl_cfg iwl2000_2bgn_cfg; -extern struct iwl_cfg iwl2000_2bgn_d_cfg; -extern struct iwl_cfg iwl2030_2bgn_cfg; -extern struct iwl_cfg iwl6035_2agn_cfg; -extern struct iwl_cfg iwl105_bgn_cfg; -extern struct iwl_cfg iwl105_bgn_d_cfg; -extern struct iwl_cfg iwl135_bgn_cfg; +extern const struct iwl_cfg iwl5300_agn_cfg; +extern const struct iwl_cfg iwl5100_agn_cfg; +extern const struct iwl_cfg iwl5350_agn_cfg; +extern const struct iwl_cfg iwl5100_bgn_cfg; +extern const struct iwl_cfg iwl5100_abg_cfg; +extern const struct iwl_cfg iwl5150_agn_cfg; +extern const struct iwl_cfg iwl5150_abg_cfg; +extern const struct iwl_cfg iwl6005_2agn_cfg; +extern const struct iwl_cfg iwl6005_2abg_cfg; +extern const struct iwl_cfg iwl6005_2bg_cfg; +extern const struct iwl_cfg iwl6005_2agn_sff_cfg; +extern const struct iwl_cfg iwl6005_2agn_d_cfg; +extern const struct iwl_cfg iwl6005_2agn_mow1_cfg; +extern const struct iwl_cfg iwl6005_2agn_mow2_cfg; +extern const struct iwl_cfg iwl1030_bgn_cfg; +extern const struct iwl_cfg iwl1030_bg_cfg; +extern const struct iwl_cfg iwl6030_2agn_cfg; +extern const struct iwl_cfg iwl6030_2abg_cfg; +extern const struct iwl_cfg iwl6030_2bgn_cfg; +extern const struct iwl_cfg iwl6030_2bg_cfg; +extern const struct iwl_cfg iwl6000i_2agn_cfg; +extern const struct iwl_cfg iwl6000i_2abg_cfg; +extern const struct iwl_cfg iwl6000i_2bg_cfg; +extern const struct iwl_cfg iwl6000_3agn_cfg; +extern const struct iwl_cfg iwl6050_2agn_cfg; +extern const struct iwl_cfg iwl6050_2abg_cfg; +extern const struct iwl_cfg iwl6150_bgn_cfg; +extern const struct iwl_cfg iwl6150_bg_cfg; +extern const struct iwl_cfg iwl1000_bgn_cfg; +extern const struct iwl_cfg iwl1000_bg_cfg; +extern const struct iwl_cfg iwl100_bgn_cfg; +extern const struct iwl_cfg iwl100_bg_cfg; +extern const struct iwl_cfg iwl130_bgn_cfg; +extern const struct iwl_cfg iwl130_bg_cfg; +extern const struct iwl_cfg iwl2000_2bgn_cfg; +extern const struct iwl_cfg iwl2000_2bgn_d_cfg; +extern const struct iwl_cfg iwl2030_2bgn_cfg; +extern const struct iwl_cfg iwl6035_2agn_cfg; +extern const struct iwl_cfg iwl105_bgn_cfg; +extern const struct iwl_cfg iwl105_bgn_d_cfg; +extern const struct iwl_cfg iwl135_bgn_cfg; #endif /* __iwl_pci_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index f822ac447c3b..9ed73e5154be 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -69,22 +69,9 @@ #ifndef __iwl_commands_h__ #define __iwl_commands_h__ -#include <linux/etherdevice.h> #include <linux/ieee80211.h> +#include <linux/types.h> -struct iwl_priv; - -/* uCode version contains 4 values: Major/Minor/API/Serial */ -#define IWL_UCODE_MAJOR(ver) (((ver) & 0xFF000000) >> 24) -#define IWL_UCODE_MINOR(ver) (((ver) & 0x00FF0000) >> 16) -#define IWL_UCODE_API(ver) (((ver) & 0x0000FF00) >> 8) -#define IWL_UCODE_SERIAL(ver) ((ver) & 0x000000FF) - - -/* Tx rates */ -#define IWL_CCK_RATES 4 -#define IWL_OFDM_RATES 8 -#define IWL_MAX_RATES (IWL_CCK_RATES + IWL_OFDM_RATES) enum { REPLY_ALIVE = 0x1, @@ -213,48 +200,6 @@ enum { /* iwl_cmd_header flags value */ #define IWL_CMD_FAILED_MSK 0x40 -#define SEQ_TO_QUEUE(s) (((s) >> 8) & 0x1f) -#define QUEUE_TO_SEQ(q) (((q) & 0x1f) << 8) -#define SEQ_TO_INDEX(s) ((s) & 0xff) -#define INDEX_TO_SEQ(i) ((i) & 0xff) -#define SEQ_RX_FRAME cpu_to_le16(0x8000) - -/** - * struct iwl_cmd_header - * - * This header format appears in the beginning of each command sent from the - * driver, and each response/notification received from uCode. - */ -struct iwl_cmd_header { - u8 cmd; /* Command ID: REPLY_RXON, etc. */ - u8 flags; /* 0:5 reserved, 6 abort, 7 internal */ - /* - * The driver sets up the sequence number to values of its choosing. - * uCode does not use this value, but passes it back to the driver - * when sending the response to each driver-originated command, so - * the driver can match the response to the command. Since the values - * don't get used by uCode, the driver may set up an arbitrary format. - * - * There is one exception: uCode sets bit 15 when it originates - * the response/notification, i.e. when the response/notification - * is not a direct response to a command sent by the driver. For - * example, uCode issues REPLY_RX when it sends a received frame - * to the driver; it is not a direct response to any driver command. - * - * The Linux driver uses the following format: - * - * 0:7 tfd index - position within TX queue - * 8:12 TX queue id - * 13:14 reserved - * 15 unsolicited RX or uCode-originated notification - */ - __le16 sequence; - - /* command or response/notification data follows immediately */ - u8 data[0]; -} __packed; - - /** * iwlagn rate_n_flags bit fields * @@ -3151,8 +3096,6 @@ struct iwl_enhance_sensitivity_cmd { */ /* Phy calibration command for series */ -/* The default calibrate table size if not specified by firmware */ -#define IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE 18 enum { IWL_PHY_CALIBRATE_DC_CMD = 8, IWL_PHY_CALIBRATE_LO_CMD = 9, @@ -3161,11 +3104,8 @@ enum { IWL_PHY_CALIBRATE_BASE_BAND_CMD = 16, IWL_PHY_CALIBRATE_TX_IQ_PERD_CMD = 17, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD = 18, - IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE = 19, }; -#define IWL_MAX_PHY_CALIBRATE_TBL_SIZE (253) - /* This enum defines the bitmap of various calibrations to enable in both * init ucode and runtime ucode through CALIBRATION_CFG_CMD. */ @@ -3905,50 +3845,6 @@ struct iwlagn_wowlan_kek_kck_material_cmd { __le64 replay_ctr; } __packed; -/****************************************************************************** - * (13) - * Union of all expected notifications/responses: - * - *****************************************************************************/ -#define FH_RSCSR_FRAME_SIZE_MSK (0x00003FFF) /* bits 0-13 */ - -struct iwl_rx_packet { - /* - * The first 4 bytes of the RX frame header contain both the RX frame - * size and some flags. - * Bit fields: - * 31: flag flush RB request - * 30: flag ignore TC (terminal counter) request - * 29: flag fast IRQ request - * 28-14: Reserved - * 13-00: RX frame size - */ - __le32 len_n_flags; - struct iwl_cmd_header hdr; - union { - struct iwl_alive_resp alive_frame; - struct iwl_spectrum_notification spectrum_notif; - struct iwl_csa_notification csa_notif; - struct iwl_error_resp err_resp; - struct iwl_card_state_notif card_state_notif; - struct iwl_add_sta_resp add_sta; - struct iwl_rem_sta_resp rem_sta; - struct iwl_sleep_notification sleep_notif; - struct iwl_spectrum_resp spectrum; - struct iwl_notif_statistics stats; - struct iwl_bt_notif_statistics stats_bt; - struct iwl_compressed_ba_resp compressed_ba; - struct iwl_missed_beacon_notif missed_beacon; - struct iwl_coex_medium_notification coex_medium_notif; - struct iwl_coex_event_resp coex_event; - struct iwl_bt_coex_profile_notif bt_coex_profile_notif; - __le32 status; - u8 raw[0]; - } u; -} __packed; - -int iwl_agn_check_rxon_cmd(struct iwl_priv *priv); - /* * REPLY_WIPAN_PARAMS = 0xb2 (Commands and Notification) */ diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 7bcfa781e0b9..46490d3b95b9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -38,7 +38,6 @@ #include "iwl-core.h" #include "iwl-io.h" #include "iwl-power.h" -#include "iwl-agn.h" #include "iwl-shared.h" #include "iwl-agn.h" #include "iwl-trans.h" @@ -114,7 +113,7 @@ int iwl_init_geos(struct iwl_priv *priv) if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates || priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) { IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n"); - set_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status); + set_bit(STATUS_GEO_CONFIGURED, &priv->status); return 0; } @@ -137,7 +136,7 @@ int iwl_init_geos(struct iwl_priv *priv) sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE; - if (cfg(priv)->sku & EEPROM_SKU_CAP_11N_ENABLE) + if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE) iwl_init_ht_hw_capab(priv, &sband->ht_cap, IEEE80211_BAND_5GHZ); @@ -147,7 +146,7 @@ int iwl_init_geos(struct iwl_priv *priv) sband->bitrates = rates; sband->n_bitrates = IWL_RATE_COUNT_LEGACY; - if (cfg(priv)->sku & EEPROM_SKU_CAP_11N_ENABLE) + if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE) iwl_init_ht_hw_capab(priv, &sband->ht_cap, IEEE80211_BAND_2GHZ); @@ -202,19 +201,18 @@ int iwl_init_geos(struct iwl_priv *priv) priv->tx_power_next = max_tx_power; if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && - cfg(priv)->sku & EEPROM_SKU_CAP_BAND_52GHZ) { - char buf[32]; - bus_get_hw_id_string(bus(priv), buf, sizeof(buf)); + hw_params(priv).sku & EEPROM_SKU_CAP_BAND_52GHZ) { IWL_INFO(priv, "Incorrectly detected BG card as ABG. " - "Please send your %s to maintainer.\n", buf); - cfg(priv)->sku &= ~EEPROM_SKU_CAP_BAND_52GHZ; + "Please send your %s to maintainer.\n", + trans(priv)->hw_id_str); + hw_params(priv).sku &= ~EEPROM_SKU_CAP_BAND_52GHZ; } IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n", priv->bands[IEEE80211_BAND_2GHZ].n_channels, priv->bands[IEEE80211_BAND_5GHZ].n_channels); - set_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status); + set_bit(STATUS_GEO_CONFIGURED, &priv->status); return 0; } @@ -226,7 +224,7 @@ void iwl_free_geos(struct iwl_priv *priv) { kfree(priv->ieee_channels); kfree(priv->ieee_rates); - clear_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status); + clear_bit(STATUS_GEO_CONFIGURED, &priv->status); } static bool iwl_is_channel_extension(struct iwl_priv *priv, @@ -318,7 +316,7 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx) conf = &priv->hw->conf; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd)); @@ -371,7 +369,7 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx) le32_to_cpu(ctx->timing.beacon_init_val), le16_to_cpu(ctx->timing.atim_window)); - return iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_timing_cmd, + return iwl_dvm_send_cmd_pdu(priv, ctx->rxon_timing_cmd, CMD_SYNC, sizeof(ctx->timing), &ctx->timing); } @@ -644,7 +642,7 @@ u8 iwl_get_single_channel_number(struct iwl_priv *priv, * NOTE: Does not commit to the hardware; it sets appropriate bit fields * in the staging RXON flag structure based on the ch->band */ -int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch, +void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch, struct iwl_rxon_context *ctx) { enum ieee80211_band band = ch->band; @@ -652,7 +650,7 @@ int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch, if ((le16_to_cpu(ctx->staging.channel) == channel) && (priv->band == band)) - return 0; + return; ctx->staging.channel = cpu_to_le16(channel); if (band == IEEE80211_BAND_5GHZ) @@ -664,7 +662,6 @@ int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch, IWL_DEBUG_INFO(priv, "Staging channel set to %d [%d]\n", channel, band); - return 0; } void iwl_set_flags_for_band(struct iwl_priv *priv, @@ -801,11 +798,10 @@ void iwl_chswitch_done(struct iwl_priv *priv, bool is_success) */ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, - &priv->shrd->status)) + if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) ieee80211_chswitch_done(ctx->vif, is_success); } @@ -832,24 +828,32 @@ void iwl_print_rx_config_cmd(struct iwl_priv *priv, } #endif -void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) +static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) { unsigned int reload_msec; unsigned long reload_jiffies; +#ifdef CONFIG_IWLWIFI_DEBUG + if (iwl_have_debug_level(IWL_DL_FW_ERRORS)) + iwl_print_rx_config_cmd(priv, IWL_RXON_CTX_BSS); +#endif + + /* uCode is no longer loaded. */ + priv->ucode_loaded = false; + /* Set the FW error flag -- cleared on iwl_down */ set_bit(STATUS_FW_ERROR, &priv->shrd->status); /* Cancel currently queued command. */ clear_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status); - iwl_abort_notification_waits(priv->shrd); + iwl_abort_notification_waits(&priv->notif_wait); /* Keep the restart process from trying to send host * commands by clearing the ready bit */ - clear_bit(STATUS_READY, &priv->shrd->status); + clear_bit(STATUS_READY, &priv->status); - wake_up(&priv->shrd->wait_command_queue); + wake_up(&trans(priv)->wait_command_queue); if (!ondemand) { /* @@ -872,140 +876,17 @@ void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) priv->reload_count = 0; } - if (!test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { + if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) { if (iwlagn_mod_params.restart_fw) { IWL_DEBUG_FW_ERRORS(priv, "Restarting adapter due to uCode error.\n"); - queue_work(priv->shrd->workqueue, &priv->restart); + queue_work(priv->workqueue, &priv->restart); } else IWL_DEBUG_FW_ERRORS(priv, "Detected FW error, but not restarting\n"); } } -static int iwl_apm_stop_master(struct iwl_priv *priv) -{ - int ret = 0; - - /* stop device's busmaster DMA activity */ - iwl_set_bit(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); - - ret = iwl_poll_bit(bus(priv), CSR_RESET, - CSR_RESET_REG_FLAG_MASTER_DISABLED, - CSR_RESET_REG_FLAG_MASTER_DISABLED, 100); - if (ret) - IWL_WARN(priv, "Master Disable Timed Out, 100 usec\n"); - - IWL_DEBUG_INFO(priv, "stop master\n"); - - return ret; -} - -void iwl_apm_stop(struct iwl_priv *priv) -{ - IWL_DEBUG_INFO(priv, "Stop card, put in low power state\n"); - - clear_bit(STATUS_DEVICE_ENABLED, &priv->shrd->status); - - /* Stop device's DMA activity */ - iwl_apm_stop_master(priv); - - /* Reset the entire device */ - iwl_set_bit(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); - - udelay(10); - - /* - * Clear "initialization complete" bit to move adapter from - * D0A* (powered-up Active) --> D0U* (Uninitialized) state. - */ - iwl_clear_bit(bus(priv), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); -} - - -/* - * Start up NIC's basic functionality after it has been reset - * (e.g. after platform boot, or shutdown via iwl_apm_stop()) - * NOTE: This does not load uCode nor start the embedded processor - */ -int iwl_apm_init(struct iwl_priv *priv) -{ - int ret = 0; - IWL_DEBUG_INFO(priv, "Init card's basic functions\n"); - - /* - * Use "set_bit" below rather than "write", to preserve any hardware - * bits already set by default after reset. - */ - - /* Disable L0S exit timer (platform NMI Work/Around) */ - iwl_set_bit(bus(priv), CSR_GIO_CHICKEN_BITS, - CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); - - /* - * Disable L0s without affecting L1; - * don't wait for ICH L0s (ICH bug W/A) - */ - iwl_set_bit(bus(priv), CSR_GIO_CHICKEN_BITS, - CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX); - - /* Set FH wait threshold to maximum (HW error during stress W/A) */ - iwl_set_bit(bus(priv), CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL); - - /* - * Enable HAP INTA (interrupt from management bus) to - * wake device's PCI Express link L1a -> L0s - */ - iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A); - - bus_apm_config(bus(priv)); - - /* Configure analog phase-lock-loop before activating to D0A */ - if (cfg(priv)->base_params->pll_cfg_val) - iwl_set_bit(bus(priv), CSR_ANA_PLL_CFG, - cfg(priv)->base_params->pll_cfg_val); - - /* - * Set "initialization complete" bit to move adapter from - * D0U* --> D0A* (powered-up active) state. - */ - iwl_set_bit(bus(priv), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - - /* - * Wait for clock stabilization; once stabilized, access to - * device-internal resources is supported, e.g. iwl_write_prph() - * and accesses to uCode SRAM. - */ - ret = iwl_poll_bit(bus(priv), CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, - CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); - if (ret < 0) { - IWL_DEBUG_INFO(priv, "Failed to init the card\n"); - goto out; - } - - /* - * Enable DMA clock and wait for it to stabilize. - * - * Write to "CLK_EN_REG"; "1" bits enable clocks, while "0" bits - * do not disable clocks. This preserves any hardware bits already - * set by default in "CLK_CTRL_REG" after reset. - */ - iwl_write_prph(bus(priv), APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT); - udelay(20); - - /* Disable L1-Active */ - iwl_set_bits_prph(bus(priv), APMG_PCIDEV_STT_REG, - APMG_PCIDEV_STT_VAL_L1_ACT_DIS); - - set_bit(STATUS_DEVICE_ENABLED, &priv->shrd->status); - -out: - return ret; -} - - int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) { int ret; @@ -1013,7 +894,7 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) bool defer; struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); if (priv->tx_power_user_lmt == tx_power && !force) return 0; @@ -1033,7 +914,7 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) return -EINVAL; } - if (!iwl_is_ready_rf(priv->shrd)) + if (!iwl_is_ready_rf(priv)) return -EIO; /* scan complete and commit_rxon use tx_power_next value, @@ -1041,7 +922,7 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) priv->tx_power_next = tx_power; /* do not set tx power when scanning or channel changing */ - defer = test_bit(STATUS_SCANNING, &priv->shrd->status) || + defer = test_bit(STATUS_SCANNING, &priv->status) || memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging)); if (defer && !force) { IWL_DEBUG_INFO(priv, "Deferring tx power set\n"); @@ -1079,7 +960,7 @@ void iwl_send_bt_config(struct iwl_priv *priv) IWL_DEBUG_INFO(priv, "BT coex %s\n", (bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active"); - if (iwl_trans_send_cmd_pdu(trans(priv), REPLY_BT_CONFIG, + if (iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG, CMD_SYNC, sizeof(struct iwl_bt_cmd), &bt_cmd)) IWL_ERR(priv, "failed to send BT Coex Config\n"); } @@ -1092,12 +973,12 @@ int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear) }; if (flags & CMD_ASYNC) - return iwl_trans_send_cmd_pdu(trans(priv), REPLY_STATISTICS_CMD, + return iwl_dvm_send_cmd_pdu(priv, REPLY_STATISTICS_CMD, CMD_ASYNC, sizeof(struct iwl_statistics_cmd), &statistics_cmd); else - return iwl_trans_send_cmd_pdu(trans(priv), REPLY_STATISTICS_CMD, + return iwl_dvm_send_cmd_pdu(priv, REPLY_STATISTICS_CMD, CMD_SYNC, sizeof(struct iwl_statistics_cmd), &statistics_cmd); @@ -1124,7 +1005,7 @@ int iwl_alloc_traffic_mem(struct iwl_priv *priv) { u32 traffic_size = IWL_TRAFFIC_DUMP_SIZE; - if (iwl_get_debug_level(priv->shrd) & IWL_DL_TX) { + if (iwl_have_debug_level(IWL_DL_TX)) { if (!priv->tx_traffic) { priv->tx_traffic = kzalloc(traffic_size, GFP_KERNEL); @@ -1132,7 +1013,7 @@ int iwl_alloc_traffic_mem(struct iwl_priv *priv) return -ENOMEM; } } - if (iwl_get_debug_level(priv->shrd) & IWL_DL_RX) { + if (iwl_have_debug_level(IWL_DL_RX)) { if (!priv->rx_traffic) { priv->rx_traffic = kzalloc(traffic_size, GFP_KERNEL); @@ -1159,7 +1040,7 @@ void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv, __le16 fc; u16 len; - if (likely(!(iwl_get_debug_level(priv->shrd) & IWL_DL_TX))) + if (likely(!iwl_have_debug_level(IWL_DL_TX))) return; if (!priv->tx_traffic) @@ -1183,7 +1064,7 @@ void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv, __le16 fc; u16 len; - if (likely(!(iwl_get_debug_level(priv->shrd) & IWL_DL_RX))) + if (likely(!iwl_have_debug_level(IWL_DL_RX))) return; if (!priv->rx_traffic) @@ -1340,7 +1221,7 @@ void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len) static void iwl_force_rf_reset(struct iwl_priv *priv) { - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; if (!iwl_is_any_associated(priv)) { @@ -1365,7 +1246,7 @@ int iwl_force_reset(struct iwl_priv *priv, int mode, bool external) { struct iwl_force_reset *force_reset; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return -EINVAL; if (mode >= IWL_MAX_FORCE_RESET) { @@ -1421,7 +1302,7 @@ int iwl_cmd_echo_test(struct iwl_priv *priv) .flags = CMD_SYNC, }; - ret = iwl_trans_send_cmd(trans(priv), &cmd); + ret = iwl_dvm_send_cmd(priv, &cmd); if (ret) IWL_ERR(priv, "echo testing fail: 0X%x\n", ret); else @@ -1455,30 +1336,20 @@ void iwl_bg_watchdog(unsigned long data) int cnt; unsigned long timeout; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - if (iwl_is_rfkill(priv->shrd)) + if (iwl_is_rfkill(priv)) return; - timeout = cfg(priv)->base_params->wd_timeout; + timeout = hw_params(priv).wd_timeout; if (timeout == 0) return; - /* monitor and check for stuck cmd queue */ - if (iwl_check_stuck_queue(priv, priv->shrd->cmd_queue)) - return; - - /* monitor and check for other stuck queues */ - if (iwl_is_any_associated(priv)) { - for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++) { - /* skip as we already checked the command queue */ - if (cnt == priv->shrd->cmd_queue) - continue; - if (iwl_check_stuck_queue(priv, cnt)) - return; - } - } + /* monitor and check for stuck queues */ + for (cnt = 0; cnt < cfg(priv)->base_params->num_of_queues; cnt++) + if (iwl_check_stuck_queue(priv, cnt)) + return; mod_timer(&priv->watchdog, jiffies + msecs_to_jiffies(IWL_WD_TICK(timeout))); @@ -1486,7 +1357,7 @@ void iwl_bg_watchdog(unsigned long data) void iwl_setup_watchdog(struct iwl_priv *priv) { - unsigned int timeout = cfg(priv)->base_params->wd_timeout; + unsigned int timeout = hw_params(priv).wd_timeout; if (!iwlagn_mod_params.wd_disable) { /* use system default */ @@ -1580,31 +1451,30 @@ __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base, return cpu_to_le32(res); } -void iwl_set_hw_rfkill_state(struct iwl_priv *priv, bool state) +void iwl_nic_error(struct iwl_op_mode *op_mode) { - wiphy_rfkill_set_hw_state(priv->hw->wiphy, state); + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + + iwlagn_fw_error(priv, false); } -void iwl_nic_config(struct iwl_priv *priv) +void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) { - cfg(priv)->lib->nic_config(priv); + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + + if (state) + set_bit(STATUS_RF_KILL_HW, &priv->status); + else + clear_bit(STATUS_RF_KILL_HW, &priv->status); + + wiphy_rfkill_set_hw_state(priv->hw->wiphy, state); } -void iwl_free_skb(struct iwl_priv *priv, struct sk_buff *skb) +void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) { struct ieee80211_tx_info *info; info = IEEE80211_SKB_CB(skb); - kmem_cache_free(priv->tx_cmd_pool, (info->driver_data[1])); + kmem_cache_free(iwl_tx_cmd_pool, (info->driver_data[1])); dev_kfree_skb_any(skb); } - -void iwl_stop_sw_queue(struct iwl_priv *priv, u8 ac) -{ - ieee80211_stop_queue(priv->hw, ac); -} - -void iwl_wake_sw_queue(struct iwl_priv *priv, u8 ac) -{ - ieee80211_wake_queue(priv->hw, ac); -} diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 7bf76ab94dd2..635eb685edeb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -76,13 +76,7 @@ struct iwl_cmd; struct iwl_lib_ops { /* set hw dependent parameters */ - int (*set_hw_params)(struct iwl_priv *priv); - /* setup BT Rx handler */ - void (*bt_rx_handler_setup)(struct iwl_priv *priv); - /* setup BT related deferred work */ - void (*bt_setup_deferred_work)(struct iwl_priv *priv); - /* cancel deferred work */ - void (*cancel_deferred_work)(struct iwl_priv *priv); + void (*set_hw_params)(struct iwl_priv *priv); int (*set_channel_switch)(struct iwl_priv *priv, struct ieee80211_channel_switch *ch_switch); /* device specific configuration */ @@ -95,72 +89,6 @@ struct iwl_lib_ops { void (*temperature)(struct iwl_priv *priv); }; -/* - * @max_ll_items: max number of OTP blocks - * @shadow_ram_support: shadow support for OTP memory - * @led_compensation: compensate on the led on/off time per HW according - * to the deviation to achieve the desired led frequency. - * The detail algorithm is described in iwl-led.c - * @chain_noise_num_beacons: number of beacons used to compute chain noise - * @adv_thermal_throttle: support advance thermal throttle - * @support_ct_kill_exit: support ct kill exit condition - * @support_wimax_coexist: support wimax/wifi co-exist - * @plcp_delta_threshold: plcp error rate threshold used to trigger - * radio tuning when there is a high receiving plcp error rate - * @chain_noise_scale: default chain noise scale used for gain computation - * @wd_timeout: TX queues watchdog timeout - * @max_event_log_size: size of event log buffer size for ucode event logging - * @shadow_reg_enable: HW shadhow register bit - * @no_idle_support: do not support idle mode - * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up - * wd_disable: disable watchdog timer - */ -struct iwl_base_params { - int eeprom_size; - int num_of_queues; /* def: HW dependent */ - int num_of_ampdu_queues;/* def: HW dependent */ - /* for iwl_apm_init() */ - u32 pll_cfg_val; - - const u16 max_ll_items; - const bool shadow_ram_support; - u16 led_compensation; - bool adv_thermal_throttle; - bool support_ct_kill_exit; - const bool support_wimax_coexist; - u8 plcp_delta_threshold; - s32 chain_noise_scale; - unsigned int wd_timeout; - u32 max_event_log_size; - const bool shadow_reg_enable; - const bool no_idle_support; - const bool hd_v2; - const bool wd_disable; -}; -/* - * @advanced_bt_coexist: support advanced bt coexist - * @bt_init_traffic_load: specify initial bt traffic load - * @bt_prio_boost: default bt priority boost value - * @agg_time_limit: maximum number of uSec in aggregation - * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode - */ -struct iwl_bt_params { - bool advanced_bt_coexist; - u8 bt_init_traffic_load; - u8 bt_prio_boost; - u16 agg_time_limit; - bool bt_sco_disable; - bool bt_session_2; -}; -/* - * @use_rts_for_aggregation: use rts/cts protection for HT traffic - */ -struct iwl_ht_params { - const bool ht_greenfield_support; /* if used set to true */ - bool use_rts_for_aggregation; - enum ieee80211_smps_mode smps_mode; -}; - /*************************** * L i b * ***************************/ @@ -169,7 +97,7 @@ void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx, int hw_decrypt); int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx); int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx); -int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch, +void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch, struct iwl_rxon_context *ctx); void iwl_set_flags_for_band(struct iwl_priv *priv, struct iwl_rxon_context *ctx, @@ -197,6 +125,8 @@ const char *get_ctrl_string(int cmd); void iwl_clear_traffic_stats(struct iwl_priv *priv); void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len); +void iwl_reset_traffic_log(struct iwl_priv *priv); + #else static inline int iwl_alloc_traffic_mem(struct iwl_priv *priv) { @@ -242,8 +172,6 @@ void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms); void iwl_force_scan_end(struct iwl_priv *priv); void iwl_internal_short_hw_scan(struct iwl_priv *priv); int iwl_force_reset(struct iwl_priv *priv, int mode, bool external); -u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, - const u8 *ta, const u8 *ie, int ie_len, int left); void iwl_setup_rx_scan_handlers(struct iwl_priv *priv); void iwl_setup_scan_deferred_work(struct iwl_priv *priv); void iwl_cancel_scan_deferred_work(struct iwl_priv *priv); @@ -263,6 +191,10 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv, #define IWL_SCAN_CHECK_WATCHDOG (HZ * 7) +/* traffic log definitions */ +#define IWL_TRAFFIC_ENTRIES (256) +#define IWL_TRAFFIC_ENTRY_SIZE (64) + /***************************************************** * S e n d i n g H o s t C o m m a n d s * *****************************************************/ @@ -297,12 +229,6 @@ static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv) cfg(priv)->bt_params->advanced_bt_coexist; } -static inline void iwl_enable_rfkill_int(struct iwl_priv *priv) -{ - IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n"); - iwl_write32(bus(priv), CSR_INT_MASK, CSR_INT_BIT_RF_KILL); -} - extern bool bt_siso_mode; #endif /* __iwl_core_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index fbc3095c7b44..5f96ce105f08 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-debug.c index 1b20c4fb791b..059efabda184 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/iwlwifi/iwl-debug.c @@ -61,17 +61,67 @@ * *****************************************************************************/ -#include "iwl-trans.h" +#include <linux/interrupt.h> +#include "iwl-debug.h" -int iwl_trans_send_cmd_pdu(struct iwl_trans *trans, u8 id, - u32 flags, u16 len, const void *data) +#define __iwl_fn(fn) \ +void __iwl_ ##fn(struct device *dev, const char *fmt, ...) \ +{ \ + struct va_format vaf = { \ + .fmt = fmt, \ + }; \ + va_list args; \ + \ + va_start(args, fmt); \ + vaf.va = &args; \ + dev_ ##fn(dev, "%pV", &vaf); \ + trace_iwlwifi_ ##fn(&vaf); \ + va_end(args); \ +} + +__iwl_fn(warn) +__iwl_fn(info) +__iwl_fn(crit) + +void __iwl_err(struct device *dev, bool rfkill_prefix, bool trace_only, + const char *fmt, ...) +{ + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + + va_start(args, fmt); + vaf.va = &args; + if (!trace_only) { + if (rfkill_prefix) + dev_err(dev, "(RFKILL) %pV", &vaf); + else + dev_err(dev, "%pV", &vaf); + } + trace_iwlwifi_err(&vaf); + va_end(args); +} + +#if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWLWIFI_DEVICE_TRACING) +void __iwl_dbg(struct device *dev, + u32 level, bool limit, const char *function, + const char *fmt, ...) { - struct iwl_host_cmd cmd = { - .id = id, - .len = { len, }, - .data = { data, }, - .flags = flags, + struct va_format vaf = { + .fmt = fmt, }; + va_list args; - return iwl_trans_send_cmd(trans, &cmd); + va_start(args, fmt); + vaf.va = &args; +#ifdef CONFIG_IWLWIFI_DEBUG + if (iwl_have_debug_level(level) && + (!limit || net_ratelimit())) + dev_err(dev, "%c %s %pV", in_interrupt() ? 'I' : 'U', + function, &vaf); +#endif + trace_iwlwifi_dbg(level, in_interrupt(), function, &vaf); + va_end(args); } +#endif diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index f8fc2393dd4c..a6b32a11e103 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project. * @@ -29,16 +29,34 @@ #ifndef __iwl_debug_h__ #define __iwl_debug_h__ -#include "iwl-bus.h" #include "iwl-shared.h" +#include "iwl-devtrace.h" struct iwl_priv; -/*No matter what is m (priv, bus, trans), this will work */ -#define IWL_ERR(m, f, a...) dev_err(bus(m)->dev, f, ## a) -#define IWL_WARN(m, f, a...) dev_warn(bus(m)->dev, f, ## a) -#define IWL_INFO(m, f, a...) dev_info(bus(m)->dev, f, ## a) -#define IWL_CRIT(m, f, a...) dev_crit(bus(m)->dev, f, ## a) +void __iwl_err(struct device *dev, bool rfkill_prefix, bool only_trace, + const char *fmt, ...); +void __iwl_warn(struct device *dev, const char *fmt, ...); +void __iwl_info(struct device *dev, const char *fmt, ...); +void __iwl_crit(struct device *dev, const char *fmt, ...); + +/* No matter what is m (priv, bus, trans), this will work */ +#define IWL_ERR(m, f, a...) __iwl_err(trans(m)->dev, false, false, f, ## a) +#define IWL_WARN(m, f, a...) __iwl_warn(trans(m)->dev, f, ## a) +#define IWL_INFO(m, f, a...) __iwl_info(trans(m)->dev, f, ## a) +#define IWL_CRIT(m, f, a...) __iwl_crit(trans(m)->dev, f, ## a) + +#if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWLWIFI_DEVICE_TRACING) +void __iwl_dbg(struct device *dev, + u32 level, bool limit, const char *function, + const char *fmt, ...); +#else +static inline void +__iwl_dbg(struct device *dev, + u32 level, bool limit, const char *function, + const char *fmt, ...) +{} +#endif #define iwl_print_hex_error(m, p, len) \ do { \ @@ -46,54 +64,20 @@ do { \ DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \ } while (0) -#ifdef CONFIG_IWLWIFI_DEBUG -#define IWL_DEBUG(m, level, fmt, ...) \ -do { \ - if (iwl_get_debug_level((m)->shrd) & (level)) \ - dev_err(bus(m)->dev, "%c %s " fmt, \ - in_interrupt() ? 'I' : 'U', __func__, \ - ##__VA_ARGS__); \ -} while (0) - -#define IWL_DEBUG_LIMIT(m, level, fmt, ...) \ -do { \ - if (iwl_get_debug_level((m)->shrd) & (level) && \ - net_ratelimit()) \ - dev_err(bus(m)->dev, "%c %s " fmt, \ - in_interrupt() ? 'I' : 'U', __func__, \ - ##__VA_ARGS__); \ -} while (0) +#define IWL_DEBUG(m, level, fmt, args...) \ + __iwl_dbg(trans(m)->dev, level, false, __func__, fmt, ##args) +#define IWL_DEBUG_LIMIT(m, level, fmt, args...) \ + __iwl_dbg(trans(m)->dev, level, true, __func__, fmt, ##args) +#ifdef CONFIG_IWLWIFI_DEBUG #define iwl_print_hex_dump(m, level, p, len) \ do { \ - if (iwl_get_debug_level((m)->shrd) & level) \ + if (iwl_have_debug_level(level)) \ print_hex_dump(KERN_DEBUG, "iwl data: ", \ DUMP_PREFIX_OFFSET, 16, 1, p, len, 1); \ } while (0) - -#define IWL_DEBUG_QUIET_RFKILL(p, fmt, ...) \ -do { \ - if (!iwl_is_rfkill(p->shrd)) \ - dev_err(bus(p)->dev, "%s%c %s " fmt, \ - "", \ - in_interrupt() ? 'I' : 'U', __func__, \ - ##__VA_ARGS__); \ - else if (iwl_get_debug_level(p->shrd) & IWL_DL_RADIO) \ - dev_err(bus(p)->dev, "%s%c %s " fmt, \ - "(RFKILL) ", \ - in_interrupt() ? 'I' : 'U', __func__, \ - ##__VA_ARGS__); \ -} while (0) - #else -#define IWL_DEBUG(m, level, fmt, args...) -#define IWL_DEBUG_LIMIT(m, level, fmt, args...) #define iwl_print_hex_dump(m, level, p, len) -#define IWL_DEBUG_QUIET_RFKILL(p, fmt, args...) \ -do { \ - if (!iwl_is_rfkill(p->shrd)) \ - IWL_ERR(p, fmt, ##args); \ -} while (0) #endif /* CONFIG_IWLWIFI_DEBUG */ #ifdef CONFIG_IWLWIFI_DEBUGFS diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 04a3343f4610..b7b1c04f2fba 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -230,16 +230,18 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, int pos = 0; int sram; struct iwl_priv *priv = file->private_data; + const struct fw_img *img; size_t bufsz; /* default is to dump the entire data segment */ if (!priv->dbgfs_sram_offset && !priv->dbgfs_sram_len) { - struct iwl_trans *trans = trans(priv); priv->dbgfs_sram_offset = 0x800000; - if (trans->shrd->ucode_type == IWL_UCODE_INIT) - priv->dbgfs_sram_len = trans->ucode_init.data.len; - else - priv->dbgfs_sram_len = trans->ucode_rt.data.len; + if (!priv->ucode_loaded) { + IWL_ERR(priv, "No uCode has been loadded.\n"); + return -EINVAL; + } + img = &priv->fw->img[priv->shrd->ucode_type]; + priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; } len = priv->dbgfs_sram_len; @@ -263,7 +265,7 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, sram = priv->dbgfs_sram_offset & ~0x3; /* read the first u32 from sram */ - val = iwl_read_targ_mem(bus(priv), sram); + val = iwl_read_targ_mem(trans(priv), sram); for (; len; len--) { /* put the address at the start of every line */ @@ -282,7 +284,7 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file, if (++offset == 4) { sram += 4; offset = 0; - val = iwl_read_targ_mem(bus(priv), sram); + val = iwl_read_targ_mem(trans(priv), sram); } /* put in extra spaces and split lines for human readability */ @@ -336,13 +338,14 @@ static ssize_t iwl_dbgfs_wowlan_sram_read(struct file *file, size_t count, loff_t *ppos) { struct iwl_priv *priv = file->private_data; + const struct fw_img *img = &priv->fw->img[IWL_UCODE_WOWLAN]; if (!priv->wowlan_sram) return -ENODATA; return simple_read_from_buffer(user_buf, count, ppos, priv->wowlan_sram, - trans(priv)->ucode_wowlan.data.len); + img->sec[IWL_UCODE_SECTION_DATA].len); } static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -455,7 +458,7 @@ static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf, char *buf; ssize_t ret; - if (!test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status)) + if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); @@ -526,32 +529,26 @@ static ssize_t iwl_dbgfs_status_read(struct file *file, pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", test_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status)); - pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", - test_bit(STATUS_INT_ENABLED, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n", - test_bit(STATUS_RF_KILL_HW, &priv->shrd->status)); + test_bit(STATUS_RF_KILL_HW, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_CT_KILL:\t\t %d\n", - test_bit(STATUS_CT_KILL, &priv->shrd->status)); - pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n", - test_bit(STATUS_INIT, &priv->shrd->status)); + test_bit(STATUS_CT_KILL, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n", - test_bit(STATUS_ALIVE, &priv->shrd->status)); + test_bit(STATUS_ALIVE, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n", - test_bit(STATUS_READY, &priv->shrd->status)); - pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n", - test_bit(STATUS_TEMPERATURE, &priv->shrd->status)); + test_bit(STATUS_READY, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n", - test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status)); + test_bit(STATUS_GEO_CONFIGURED, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n", - test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)); + test_bit(STATUS_EXIT_PENDING, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n", - test_bit(STATUS_STATISTICS, &priv->shrd->status)); + test_bit(STATUS_STATISTICS, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n", - test_bit(STATUS_SCANNING, &priv->shrd->status)); + test_bit(STATUS_SCANNING, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n", - test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status)); + test_bit(STATUS_SCAN_ABORTING, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n", - test_bit(STATUS_SCAN_HW, &priv->shrd->status)); + test_bit(STATUS_SCAN_HW, &priv->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n", test_bit(STATUS_POWER_PMI, &priv->shrd->status)); pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n", @@ -757,14 +754,14 @@ static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, if (value != -1 && (value < 0 || value >= IWL_POWER_NUM)) return -EINVAL; - if (!iwl_is_ready_rf(priv->shrd)) + if (!iwl_is_ready_rf(priv)) return -EAGAIN; priv->power_data.debug_sleep_level_override = value; - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwl_power_update_mode(priv, true); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); return count; } @@ -835,7 +832,7 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, char *buf; int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) + - (hw_params(priv).max_txq_num * 32 * 8) + 400; + (cfg(priv)->base_params->num_of_queues * 32 * 8) + 400; const u8 *ptr; ssize_t ret; @@ -844,8 +841,7 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, IWL_ERR(priv, "Can not allocate buffer\n"); return -ENOMEM; } - if (priv->tx_traffic && - (iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) { + if (priv->tx_traffic && iwl_have_debug_level(IWL_DL_TX)) { ptr = priv->tx_traffic; pos += scnprintf(buf + pos, bufsz - pos, "Tx Traffic idx: %u\n", priv->tx_traffic_idx); @@ -863,8 +859,7 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file, } } - if (priv->rx_traffic && - (iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) { + if (priv->rx_traffic && iwl_have_debug_level(IWL_DL_RX)) { ptr = priv->rx_traffic; pos += scnprintf(buf + pos, bufsz - pos, "Rx Traffic idx: %u\n", priv->rx_traffic_idx); @@ -919,6 +914,8 @@ static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) int p = 0; u32 flag; + lockdep_assert_held(&priv->statistics.lock); + flag = le32_to_cpu(priv->statistics.flag); p += scnprintf(buf + p, bufsz - p, "Statistics Flag(0x%X):\n", flag); @@ -952,7 +949,7 @@ static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, struct statistics_rx_non_phy *delta_general, *max_general; struct statistics_rx_ht_phy *ht, *accum_ht, *delta_ht, *max_ht; - if (!iwl_is_alive(priv->shrd)) + if (!iwl_is_alive(priv)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); @@ -966,6 +963,7 @@ static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, * the last statistics notification from uCode * might not reflect the current uCode activity */ + spin_lock_bh(&priv->statistics.lock); ofdm = &priv->statistics.rx_ofdm; cck = &priv->statistics.rx_cck; general = &priv->statistics.rx_non_phy; @@ -1362,6 +1360,8 @@ static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file, accum_ht->unsupport_mcs, delta_ht->unsupport_mcs, max_ht->unsupport_mcs); + spin_unlock_bh(&priv->statistics.lock); + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; @@ -1378,7 +1378,7 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, ssize_t ret; struct statistics_tx *tx, *accum_tx, *delta_tx, *max_tx; - if (!iwl_is_alive(priv->shrd)) + if (!iwl_is_alive(priv)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); @@ -1391,6 +1391,8 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, * the last statistics notification from uCode * might not reflect the current uCode activity */ + spin_lock_bh(&priv->statistics.lock); + tx = &priv->statistics.tx; accum_tx = &priv->accum_stats.tx; delta_tx = &priv->delta_stats.tx; @@ -1540,19 +1542,25 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file, if (tx->tx_power.ant_a || tx->tx_power.ant_b || tx->tx_power.ant_c) { pos += scnprintf(buf + pos, bufsz - pos, "tx power: (1/2 dB step)\n"); - if ((cfg(priv)->valid_tx_ant & ANT_A) && tx->tx_power.ant_a) + if ((hw_params(priv).valid_tx_ant & ANT_A) && + tx->tx_power.ant_a) pos += scnprintf(buf + pos, bufsz - pos, fmt_hex, "antenna A:", tx->tx_power.ant_a); - if ((cfg(priv)->valid_tx_ant & ANT_B) && tx->tx_power.ant_b) + if ((hw_params(priv).valid_tx_ant & ANT_B) && + tx->tx_power.ant_b) pos += scnprintf(buf + pos, bufsz - pos, fmt_hex, "antenna B:", tx->tx_power.ant_b); - if ((cfg(priv)->valid_tx_ant & ANT_C) && tx->tx_power.ant_c) + if ((hw_params(priv).valid_tx_ant & ANT_C) && + tx->tx_power.ant_c) pos += scnprintf(buf + pos, bufsz - pos, fmt_hex, "antenna C:", tx->tx_power.ant_c); } + + spin_unlock_bh(&priv->statistics.lock); + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; @@ -1572,7 +1580,7 @@ static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, struct statistics_dbg *dbg, *accum_dbg, *delta_dbg, *max_dbg; struct statistics_div *div, *accum_div, *delta_div, *max_div; - if (!iwl_is_alive(priv->shrd)) + if (!iwl_is_alive(priv)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); @@ -1585,6 +1593,9 @@ static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, * the last statistics notification from uCode * might not reflect the current uCode activity */ + + spin_lock_bh(&priv->statistics.lock); + general = &priv->statistics.common; dbg = &priv->statistics.common.dbg; div = &priv->statistics.common.div; @@ -1669,6 +1680,9 @@ static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file, accum_general->num_of_sos_states, delta_general->num_of_sos_states, max_general->num_of_sos_states); + + spin_unlock_bh(&priv->statistics.lock); + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; @@ -1685,16 +1699,16 @@ static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, ssize_t ret; struct statistics_bt_activity *bt, *accum_bt; - if (!iwl_is_alive(priv->shrd)) + if (!iwl_is_alive(priv)) return -EAGAIN; if (!priv->bt_enable_flag) return -EINVAL; /* make request to uCode to retrieve statistics information */ - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); ret = iwl_send_statistics_request(priv, CMD_SYNC, false); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); if (ret) { IWL_ERR(priv, @@ -1712,6 +1726,9 @@ static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, * the last statistics notification from uCode * might not reflect the current uCode activity */ + + spin_lock_bh(&priv->statistics.lock); + bt = &priv->statistics.bt_activity; accum_bt = &priv->accum_stats.bt_activity; @@ -1757,6 +1774,8 @@ static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, le32_to_cpu(priv->statistics.num_bt_kills), priv->statistics.accum_num_bt_kills); + spin_unlock_bh(&priv->statistics.lock); + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); kfree(buf); return ret; @@ -1773,7 +1792,7 @@ static ssize_t iwl_dbgfs_reply_tx_error_read(struct file *file, (sizeof(struct reply_agg_tx_error_statistics) * 24) + 200; ssize_t ret; - if (!iwl_is_alive(priv->shrd)) + if (!iwl_is_alive(priv)) return -EAGAIN; buf = kzalloc(bufsz, GFP_KERNEL); @@ -2055,7 +2074,7 @@ static ssize_t iwl_dbgfs_power_save_status_read(struct file *file, const size_t bufsz = sizeof(buf); u32 pwrsave_status; - pwrsave_status = iwl_read32(bus(priv), CSR_GP_CNTRL) & + pwrsave_status = iwl_read32(trans(priv), CSR_GP_CNTRL) & CSR_GP_REG_POWER_SAVE_STATUS_MSK; pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: "); @@ -2085,9 +2104,9 @@ static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, return -EFAULT; /* make request to uCode to retrieve statistics information */ - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwl_send_statistics_request(priv, CMD_SYNC, true); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); return count; } @@ -2131,9 +2150,10 @@ static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, if (trace) { priv->event_log.ucode_trace = true; - /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ - mod_timer(&priv->ucode_trace, - jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); + if (iwl_is_alive(priv)) { + /* start collecting data now */ + mod_timer(&priv->ucode_trace, jiffies); + } } else { priv->event_log.ucode_trace = false; del_timer_sync(&priv->ucode_trace); @@ -2219,7 +2239,7 @@ static ssize_t iwl_dbgfs_plcp_delta_read(struct file *file, const size_t bufsz = sizeof(buf); pos += scnprintf(buf + pos, bufsz - pos, "%u\n", - cfg(priv)->base_params->plcp_delta_threshold); + priv->plcp_delta_threshold); return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } @@ -2241,10 +2261,10 @@ static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, return -EINVAL; if ((plcp < IWL_MAX_PLCP_ERR_THRESHOLD_MIN) || (plcp > IWL_MAX_PLCP_ERR_THRESHOLD_MAX)) - cfg(priv)->base_params->plcp_delta_threshold = + priv->plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE; else - cfg(priv)->base_params->plcp_delta_threshold = plcp; + priv->plcp_delta_threshold = plcp; return count; } @@ -2320,7 +2340,7 @@ static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, if (sscanf(buf, "%d", &flush) != 1) return -EINVAL; - if (iwl_is_rfkill(priv->shrd)) + if (iwl_is_rfkill(priv)) return -EFAULT; iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); @@ -2346,7 +2366,7 @@ static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file, if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT) timeout = IWL_DEF_WD_TIMEOUT; - cfg(priv)->base_params->wd_timeout = timeout; + hw_params(priv).wd_timeout = timeout; iwl_setup_watchdog(priv); return count; } @@ -2409,7 +2429,7 @@ static ssize_t iwl_dbgfs_protection_mode_read(struct file *file, if (cfg(priv)->ht_params) pos += scnprintf(buf + pos, bufsz - pos, "use %s for aggregation\n", - (cfg(priv)->ht_params->use_rts_for_aggregation) ? + (hw_params(priv).use_rts_for_aggregation) ? "rts/cts" : "cts-to-self"); else pos += scnprintf(buf + pos, bufsz - pos, "N/A"); @@ -2436,9 +2456,9 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, if (sscanf(buf, "%d", &rts) != 1) return -EINVAL; if (rts) - cfg(priv)->ht_params->use_rts_for_aggregation = true; + hw_params(priv).use_rts_for_aggregation = true; else - cfg(priv)->ht_params->use_rts_for_aggregation = false; + hw_params(priv).use_rts_for_aggregation = false; return count; } @@ -2484,52 +2504,6 @@ DEBUGFS_READ_WRITE_FILE_OPS(protection_mode); DEBUGFS_READ_FILE_OPS(reply_tx_error); DEBUGFS_WRITE_FILE_OPS(echo_test); -#ifdef CONFIG_IWLWIFI_DEBUG -static ssize_t iwl_dbgfs_debug_level_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_priv *priv = file->private_data; - struct iwl_shared *shrd = priv->shrd; - char buf[11]; - int len; - - len = scnprintf(buf, sizeof(buf), "0x%.8x", - iwl_get_debug_level(shrd)); - - return simple_read_from_buffer(user_buf, count, ppos, buf, len); -} - -static ssize_t iwl_dbgfs_debug_level_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_priv *priv = file->private_data; - struct iwl_shared *shrd = priv->shrd; - char buf[11]; - unsigned long val; - int ret; - - if (count > sizeof(buf)) - return -EINVAL; - - memset(buf, 0, sizeof(buf)); - if (copy_from_user(buf, user_buf, count)) - return -EFAULT; - - ret = strict_strtoul(buf, 0, &val); - if (ret) - return ret; - - shrd->dbg_level_dev = val; - if (iwl_alloc_traffic_mem(priv)) - IWL_ERR(priv, "Not enough memory to generate traffic log\n"); - - return count; -} -DEBUGFS_READ_WRITE_FILE_OPS(debug_level); -#endif /* CONFIG_IWLWIFI_DEBUG */ - /* * Create the debugfs files and directories * @@ -2594,9 +2568,6 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR); if (iwl_advanced_bt_coexist(priv)) DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR); -#ifdef CONFIG_IWLWIFI_DEBUG - DEBUGFS_ADD_FILE(debug_level, dir_debug, S_IRUSR | S_IWUSR); -#endif DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf, &priv->disable_sens_cal); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index e54a4d11e584..16956b777f96 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -36,20 +36,20 @@ #include <linux/wait.h> #include <linux/leds.h> #include <linux/slab.h> -#include <net/ieee80211_radiotap.h> +#include <linux/mutex.h> #include "iwl-eeprom.h" #include "iwl-csr.h" -#include "iwl-prph.h" #include "iwl-debug.h" #include "iwl-agn-hw.h" #include "iwl-led.h" #include "iwl-power.h" #include "iwl-agn-rs.h" #include "iwl-agn-tt.h" -#include "iwl-bus.h" #include "iwl-trans.h" #include "iwl-shared.h" +#include "iwl-op-mode.h" +#include "iwl-notif-wait.h" struct iwl_tx_queue; @@ -292,117 +292,8 @@ struct iwl_vif_priv { u8 ibss_bssid_sta_id; }; -/* v1/v2 uCode file layout */ -struct iwl_ucode_header { - __le32 ver; /* major/minor/API/serial */ - union { - struct { - __le32 inst_size; /* bytes of runtime code */ - __le32 data_size; /* bytes of runtime data */ - __le32 init_size; /* bytes of init code */ - __le32 init_data_size; /* bytes of init data */ - __le32 boot_size; /* bytes of bootstrap code */ - u8 data[0]; /* in same order as sizes */ - } v1; - struct { - __le32 build; /* build number */ - __le32 inst_size; /* bytes of runtime code */ - __le32 data_size; /* bytes of runtime data */ - __le32 init_size; /* bytes of init code */ - __le32 init_data_size; /* bytes of init data */ - __le32 boot_size; /* bytes of bootstrap code */ - u8 data[0]; /* in same order as sizes */ - } v2; - } u; -}; - -/* - * new TLV uCode file layout - * - * The new TLV file format contains TLVs, that each specify - * some piece of data. To facilitate "groups", for example - * different instruction image with different capabilities, - * bundled with the same init image, an alternative mechanism - * is provided: - * When the alternative field is 0, that means that the item - * is always valid. When it is non-zero, then it is only - * valid in conjunction with items of the same alternative, - * in which case the driver (user) selects one alternative - * to use. - */ - -enum iwl_ucode_tlv_type { - IWL_UCODE_TLV_INVALID = 0, /* unused */ - IWL_UCODE_TLV_INST = 1, - IWL_UCODE_TLV_DATA = 2, - IWL_UCODE_TLV_INIT = 3, - IWL_UCODE_TLV_INIT_DATA = 4, - IWL_UCODE_TLV_BOOT = 5, - IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ - IWL_UCODE_TLV_PAN = 7, - IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, - IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, - IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, - IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, - IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, - IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, - IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, - IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, - IWL_UCODE_TLV_WOWLAN_INST = 16, - IWL_UCODE_TLV_WOWLAN_DATA = 17, - IWL_UCODE_TLV_FLAGS = 18, -}; - -/** - * enum iwl_ucode_tlv_flag - ucode API flags - * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously - * was a separate TLV but moved here to save space. - * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, - * treats good CRC threshold as a boolean - * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). - * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P. - */ -enum iwl_ucode_tlv_flag { - IWL_UCODE_TLV_FLAGS_PAN = BIT(0), - IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), - IWL_UCODE_TLV_FLAGS_MFP = BIT(2), - IWL_UCODE_TLV_FLAGS_P2P = BIT(3), -}; - -struct iwl_ucode_tlv { - __le16 type; /* see above */ - __le16 alternative; /* see comment */ - __le32 length; /* not including type/length fields */ - u8 data[0]; -} __packed; - -#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 - -struct iwl_tlv_ucode_header { - /* - * The TLV style ucode header is distinguished from - * the v1/v2 style header by first four bytes being - * zero, as such is an invalid combination of - * major/minor/API/serial versions. - */ - __le32 zero; - __le32 magic; - u8 human_readable[64]; - __le32 ver; /* major/minor/API/serial */ - __le32 build; - __le64 alternatives; /* bitmask of valid alternatives */ - /* - * The data contained herein has a TLV layout, - * see above for the TLV header and types. - * Note that each TLV is padded to a length - * that is a multiple of 4 for alignment. - */ - u8 data[0]; -}; - struct iwl_sensitivity_ranges { u16 min_nrg_cck; - u16 max_nrg_cck; u16 nrg_th_cck; u16 nrg_th_ofdm; @@ -550,9 +441,6 @@ struct iwl_chain_noise_data { u8 state; }; -#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ -#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ - enum { MEASUREMENT_READY = (1 << 0), MEASUREMENT_ACTIVE = (1 << 1), @@ -661,7 +549,7 @@ struct traffic_stats { * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds * to perform continuous uCode event logging operation if enabled */ -#define UCODE_TRACE_PERIOD (100) +#define UCODE_TRACE_PERIOD (10) /* * iwl_event_log: current uCode event log position @@ -781,11 +669,6 @@ struct iwl_rxon_context { bool enabled, is_40mhz; u8 extension_chan_offset; } ht; - - u8 bssid[ETH_ALEN]; - bool preauth_bssid; - - bool last_tx_rejected; }; enum iwl_scan_type { @@ -804,11 +687,11 @@ struct iwl_testmode_trace { dma_addr_t dma_addr; bool trace_enabled; }; -struct iwl_testmode_sram { +struct iwl_testmode_mem { u32 buff_size; u32 num_chunks; u8 *buff_addr; - bool sram_readed; + bool read_in_progress; }; #endif @@ -818,32 +701,55 @@ struct iwl_wipan_noa_data { u8 data[]; }; +#define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \ + ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific)) + +#define IWL_MAC80211_GET_DVM(_hw) \ + ((struct iwl_priv *) ((struct iwl_op_mode *) \ + (_hw)->priv)->op_mode_specific) + struct iwl_priv { /*data shared among all the driver's layers */ - struct iwl_shared _shrd; struct iwl_shared *shrd; + const struct iwl_fw *fw; + unsigned long status; + + spinlock_t sta_lock; + struct mutex mutex; + + unsigned long transport_queue_stop; + bool passive_no_rx; /* ieee device used by generic ieee processing code */ struct ieee80211_hw *hw; struct ieee80211_channel *ieee_channels; struct ieee80211_rate *ieee_rates; - struct kmem_cache *tx_cmd_pool; + + struct list_head calib_results; + + struct workqueue_struct *workqueue; enum ieee80211_band band; void (*pre_rx_handler)(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb); + struct iwl_rx_cmd_buffer *rxb); int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd); + struct iwl_notif_wait_data notif_wait; + struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; /* spectrum measurement report caching */ struct iwl_spectrum_notification measure_report; u8 measurement_status; +#define IWL_OWNERSHIP_DRIVER 0 +#define IWL_OWNERSHIP_TM 1 + u8 ucode_owner; + /* ucode beacon time */ u32 ucode_beacon_time; int missed_beacon_threshold; @@ -863,12 +769,16 @@ struct iwl_priv { /* firmware reload counter and timestamp */ unsigned long reload_jiffies; int reload_count; + bool ucode_loaded; + bool init_ucode_run; /* Don't run init uCode again */ /* we allocate array of iwl_channel_info for NIC's valid channels. * Access via channel # using indirect index array */ struct iwl_channel_info *channel_info; /* channel info array */ u8 channel_count; /* # of channels */ + u8 plcp_delta_threshold; + /* thermal calibration */ s32 temperature; /* Celsius */ s32 last_temperature; @@ -891,16 +801,11 @@ struct iwl_priv { bool new_scan_threshold_behaviour; + bool wowlan; + /* EEPROM MAC addresses */ struct mac_address addresses[2]; - /* uCode images, save to reload in case of failure */ - int fw_index; /* firmware we're trying to load */ - u32 ucode_ver; /* version of ucode, copy of - iwl_ucode.ver */ - - char firmware_name[25]; - struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX]; __le16 switch_channel; @@ -910,7 +815,6 @@ struct iwl_priv { u8 start_calib; struct iwl_sensitivity_data sensitivity_data; struct iwl_chain_noise_data chain_noise_data; - bool enhance_sensitivity_table; __le16 sensitivity_tbl[HD_TABLE_SIZE]; __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; @@ -956,6 +860,7 @@ struct iwl_priv { struct statistics_bt_activity bt_activity; __le32 num_bt_kills, accum_num_bt_kills; #endif + spinlock_t lock; } statistics; #ifdef CONFIG_IWLWIFI_DEBUGFS struct { @@ -978,11 +883,6 @@ struct iwl_priv { struct iwl_rx_phy_res last_phy_res; bool last_phy_res_valid; - struct completion firmware_loading_complete; - - u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; - u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; - /* * chain noise reset and gain commands are the * two extra calibration commands follows the standard @@ -1073,7 +973,7 @@ struct iwl_priv { bool led_registered; #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE struct iwl_testmode_trace testmode_trace; - struct iwl_testmode_sram testmode_sram; + struct iwl_testmode_mem testmode_mem; u32 tm_fixed_rate; #endif @@ -1084,6 +984,7 @@ struct iwl_priv { bool have_rekey_data; }; /*iwl_priv */ +extern struct kmem_cache *iwl_tx_cmd_pool; extern struct iwl_mod_params iwlagn_mod_params; static inline struct iwl_rxon_context * diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/iwlwifi/iwl-devtrace.c index 2a2c8de64a04..91f45e71e0a2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.c +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2009 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2009 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/iwlwifi/iwl-devtrace.h index 9b212a8f30bb..06203d6a1d86 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace.h +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2009 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2009 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -34,185 +34,254 @@ #undef TRACE_EVENT #define TRACE_EVENT(name, proto, ...) \ static inline void trace_ ## name(proto) {} +#undef DECLARE_EVENT_CLASS +#define DECLARE_EVENT_CLASS(...) +#undef DEFINE_EVENT +#define DEFINE_EVENT(evt_class, name, proto, ...) \ +static inline void trace_ ## name(proto) {} #endif -#define PRIV_ENTRY __field(void *, priv) -#define PRIV_ASSIGN __entry->priv = priv +#define DEV_ENTRY __string(dev, dev_name(dev)) +#define DEV_ASSIGN __assign_str(dev, dev_name(dev)) #undef TRACE_SYSTEM #define TRACE_SYSTEM iwlwifi_io TRACE_EVENT(iwlwifi_dev_ioread32, - TP_PROTO(void *priv, u32 offs, u32 val), - TP_ARGS(priv, offs, val), + TP_PROTO(const struct device *dev, u32 offs, u32 val), + TP_ARGS(dev, offs, val), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __field(u32, offs) __field(u32, val) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; __entry->offs = offs; __entry->val = val; ), - TP_printk("[%p] read io[%#x] = %#x", __entry->priv, __entry->offs, __entry->val) + TP_printk("[%s] read io[%#x] = %#x", + __get_str(dev), __entry->offs, __entry->val) ); TRACE_EVENT(iwlwifi_dev_iowrite8, - TP_PROTO(void *priv, u32 offs, u8 val), - TP_ARGS(priv, offs, val), + TP_PROTO(const struct device *dev, u32 offs, u8 val), + TP_ARGS(dev, offs, val), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __field(u32, offs) __field(u8, val) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; __entry->offs = offs; __entry->val = val; ), - TP_printk("[%p] write io[%#x] = %#x)", __entry->priv, __entry->offs, __entry->val) + TP_printk("[%s] write io[%#x] = %#x)", + __get_str(dev), __entry->offs, __entry->val) ); TRACE_EVENT(iwlwifi_dev_iowrite32, - TP_PROTO(void *priv, u32 offs, u32 val), - TP_ARGS(priv, offs, val), + TP_PROTO(const struct device *dev, u32 offs, u32 val), + TP_ARGS(dev, offs, val), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __field(u32, offs) __field(u32, val) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; __entry->offs = offs; __entry->val = val; ), - TP_printk("[%p] write io[%#x] = %#x)", __entry->priv, __entry->offs, __entry->val) + TP_printk("[%s] write io[%#x] = %#x)", + __get_str(dev), __entry->offs, __entry->val) ); TRACE_EVENT(iwlwifi_dev_irq, - TP_PROTO(void *priv), - TP_ARGS(priv), + TP_PROTO(const struct device *dev), + TP_ARGS(dev), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; ), /* TP_printk("") doesn't compile */ TP_printk("%d", 0) ); TRACE_EVENT(iwlwifi_dev_ict_read, - TP_PROTO(void *priv, u32 index, u32 value), - TP_ARGS(priv, index, value), + TP_PROTO(const struct device *dev, u32 index, u32 value), + TP_ARGS(dev, index, value), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __field(u32, index) __field(u32, value) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; __entry->index = index; __entry->value = value; ), - TP_printk("read ict[%d] = %#.8x", __entry->index, __entry->value) + TP_printk("[%s] read ict[%d] = %#.8x", + __get_str(dev), __entry->index, __entry->value) ); #undef TRACE_SYSTEM #define TRACE_SYSTEM iwlwifi_ucode TRACE_EVENT(iwlwifi_dev_ucode_cont_event, - TP_PROTO(void *priv, u32 time, u32 data, u32 ev), - TP_ARGS(priv, time, data, ev), + TP_PROTO(const struct device *dev, u32 time, u32 data, u32 ev), + TP_ARGS(dev, time, data, ev), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __field(u32, time) __field(u32, data) __field(u32, ev) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; __entry->time = time; __entry->data = data; __entry->ev = ev; ), - TP_printk("[%p] EVT_LOGT:%010u:0x%08x:%04u", - __entry->priv, __entry->time, __entry->data, __entry->ev) + TP_printk("[%s] EVT_LOGT:%010u:0x%08x:%04u", + __get_str(dev), __entry->time, __entry->data, __entry->ev) ); TRACE_EVENT(iwlwifi_dev_ucode_wrap_event, - TP_PROTO(void *priv, u32 wraps, u32 n_entry, u32 p_entry), - TP_ARGS(priv, wraps, n_entry, p_entry), + TP_PROTO(const struct device *dev, u32 wraps, u32 n_entry, u32 p_entry), + TP_ARGS(dev, wraps, n_entry, p_entry), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __field(u32, wraps) __field(u32, n_entry) __field(u32, p_entry) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; __entry->wraps = wraps; __entry->n_entry = n_entry; __entry->p_entry = p_entry; ), - TP_printk("[%p] wraps=#%02d n=0x%X p=0x%X", - __entry->priv, __entry->wraps, __entry->n_entry, + TP_printk("[%s] wraps=#%02d n=0x%X p=0x%X", + __get_str(dev), __entry->wraps, __entry->n_entry, __entry->p_entry) ); #undef TRACE_SYSTEM +#define TRACE_SYSTEM iwlwifi_msg + +#define MAX_MSG_LEN 100 + +DECLARE_EVENT_CLASS(iwlwifi_msg_event, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf), + TP_STRUCT__entry( + __dynamic_array(char, msg, MAX_MSG_LEN) + ), + TP_fast_assign( + WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), + MAX_MSG_LEN, vaf->fmt, + *vaf->va) >= MAX_MSG_LEN); + ), + TP_printk("%s", (char *)__get_dynamic_array(msg)) +); + +DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_err, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_warn, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_info, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_crit, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); + +TRACE_EVENT(iwlwifi_dbg, + TP_PROTO(u32 level, bool in_interrupt, const char *function, + struct va_format *vaf), + TP_ARGS(level, in_interrupt, function, vaf), + TP_STRUCT__entry( + __field(u32, level) + __field(u8, in_interrupt) + __string(function, function) + __dynamic_array(char, msg, MAX_MSG_LEN) + ), + TP_fast_assign( + __entry->level = level; + __entry->in_interrupt = in_interrupt; + __assign_str(function, function); + WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), + MAX_MSG_LEN, vaf->fmt, + *vaf->va) >= MAX_MSG_LEN); + ), + TP_printk("%s", (char *)__get_dynamic_array(msg)) +); + +#undef TRACE_SYSTEM #define TRACE_SYSTEM iwlwifi TRACE_EVENT(iwlwifi_dev_hcmd, - TP_PROTO(void *priv, u32 flags, + TP_PROTO(const struct device *dev, u32 flags, const void *hcmd0, size_t len0, const void *hcmd1, size_t len1, const void *hcmd2, size_t len2), - TP_ARGS(priv, flags, hcmd0, len0, hcmd1, len1, hcmd2, len2), + TP_ARGS(dev, flags, hcmd0, len0, hcmd1, len1, hcmd2, len2), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __dynamic_array(u8, hcmd0, len0) __dynamic_array(u8, hcmd1, len1) __dynamic_array(u8, hcmd2, len2) __field(u32, flags) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; memcpy(__get_dynamic_array(hcmd0), hcmd0, len0); memcpy(__get_dynamic_array(hcmd1), hcmd1, len1); memcpy(__get_dynamic_array(hcmd2), hcmd2, len2); __entry->flags = flags; ), - TP_printk("[%p] hcmd %#.2x (%ssync)", - __entry->priv, ((u8 *)__get_dynamic_array(hcmd0))[0], + TP_printk("[%s] hcmd %#.2x (%ssync)", + __get_str(dev), ((u8 *)__get_dynamic_array(hcmd0))[0], __entry->flags & CMD_ASYNC ? "a" : "") ); TRACE_EVENT(iwlwifi_dev_rx, - TP_PROTO(void *priv, void *rxbuf, size_t len), - TP_ARGS(priv, rxbuf, len), + TP_PROTO(const struct device *dev, void *rxbuf, size_t len), + TP_ARGS(dev, rxbuf, len), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __dynamic_array(u8, rxbuf, len) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; memcpy(__get_dynamic_array(rxbuf), rxbuf, len); ), - TP_printk("[%p] RX cmd %#.2x", - __entry->priv, ((u8 *)__get_dynamic_array(rxbuf))[4]) + TP_printk("[%s] RX cmd %#.2x", + __get_str(dev), ((u8 *)__get_dynamic_array(rxbuf))[4]) ); TRACE_EVENT(iwlwifi_dev_tx, - TP_PROTO(void *priv, void *tfd, size_t tfdlen, + TP_PROTO(const struct device *dev, void *tfd, size_t tfdlen, void *buf0, size_t buf0_len, void *buf1, size_t buf1_len), - TP_ARGS(priv, tfd, tfdlen, buf0, buf0_len, buf1, buf1_len), + TP_ARGS(dev, tfd, tfdlen, buf0, buf0_len, buf1, buf1_len), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __field(size_t, framelen) __dynamic_array(u8, tfd, tfdlen) @@ -226,29 +295,28 @@ TRACE_EVENT(iwlwifi_dev_tx, __dynamic_array(u8, buf1, buf1_len) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; __entry->framelen = buf0_len + buf1_len; memcpy(__get_dynamic_array(tfd), tfd, tfdlen); memcpy(__get_dynamic_array(buf0), buf0, buf0_len); memcpy(__get_dynamic_array(buf1), buf1, buf1_len); ), - TP_printk("[%p] TX %.2x (%zu bytes)", - __entry->priv, - ((u8 *)__get_dynamic_array(buf0))[0], + TP_printk("[%s] TX %.2x (%zu bytes)", + __get_str(dev), ((u8 *)__get_dynamic_array(buf0))[0], __entry->framelen) ); TRACE_EVENT(iwlwifi_dev_ucode_error, - TP_PROTO(void *priv, u32 desc, u32 tsf_low, + TP_PROTO(const struct device *dev, u32 desc, u32 tsf_low, u32 data1, u32 data2, u32 line, u32 blink1, u32 blink2, u32 ilink1, u32 ilink2, u32 bcon_time, u32 gp1, u32 gp2, u32 gp3, u32 ucode_ver, u32 hw_ver, u32 brd_ver), - TP_ARGS(priv, desc, tsf_low, data1, data2, line, + TP_ARGS(dev, desc, tsf_low, data1, data2, line, blink1, blink2, ilink1, ilink2, bcon_time, gp1, gp2, gp3, ucode_ver, hw_ver, brd_ver), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __field(u32, desc) __field(u32, tsf_low) __field(u32, data1) @@ -267,7 +335,7 @@ TRACE_EVENT(iwlwifi_dev_ucode_error, __field(u32, brd_ver) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; __entry->desc = desc; __entry->tsf_low = tsf_low; __entry->data1 = data1; @@ -285,11 +353,11 @@ TRACE_EVENT(iwlwifi_dev_ucode_error, __entry->hw_ver = hw_ver; __entry->brd_ver = brd_ver; ), - TP_printk("[%p] #%02d %010u data 0x%08X 0x%08X line %u, " + TP_printk("[%s] #%02d %010u data 0x%08X 0x%08X line %u, " "blink 0x%05X 0x%05X ilink 0x%05X 0x%05X " "bcon_tm %010u gp 0x%08X 0x%08X 0x%08X uCode 0x%08X " "hw 0x%08X brd 0x%08X", - __entry->priv, __entry->desc, __entry->tsf_low, + __get_str(dev), __entry->desc, __entry->tsf_low, __entry->data1, __entry->data2, __entry->line, __entry->blink1, __entry->blink2, __entry->ilink1, __entry->ilink2, @@ -299,23 +367,23 @@ TRACE_EVENT(iwlwifi_dev_ucode_error, ); TRACE_EVENT(iwlwifi_dev_ucode_event, - TP_PROTO(void *priv, u32 time, u32 data, u32 ev), - TP_ARGS(priv, time, data, ev), + TP_PROTO(const struct device *dev, u32 time, u32 data, u32 ev), + TP_ARGS(dev, time, data, ev), TP_STRUCT__entry( - PRIV_ENTRY + DEV_ENTRY __field(u32, time) __field(u32, data) __field(u32, ev) ), TP_fast_assign( - PRIV_ASSIGN; + DEV_ASSIGN; __entry->time = time; __entry->data = data; __entry->ev = ev; ), - TP_printk("[%p] EVT_LOGT:%010u:0x%08x:%04u", - __entry->priv, __entry->time, __entry->data, __entry->ev) + TP_printk("[%s] EVT_LOGT:%010u:0x%08x:%04u", + __get_str(dev), __entry->time, __entry->data, __entry->ev) ); #endif /* __IWLWIFI_DEVICE_TRACE */ diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c new file mode 100644 index 000000000000..6f312c77af5e --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -0,0 +1,993 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include <linux/completion.h> +#include <linux/dma-mapping.h> +#include <linux/firmware.h> +#include <linux/module.h> + +#include "iwl-drv.h" +#include "iwl-trans.h" +#include "iwl-shared.h" +#include "iwl-op-mode.h" +#include "iwl-agn-hw.h" + +/* private includes */ +#include "iwl-fw-file.h" + +/** + * struct iwl_drv - drv common data + * @fw: the iwl_fw structure + * @shrd: pointer to common shared structure + * @op_mode: the running op_mode + * @fw_index: firmware revision to try loading + * @firmware_name: composite filename of ucode file to load + * @request_firmware_complete: the firmware has been obtained from user space + */ +struct iwl_drv { + struct iwl_fw fw; + + struct iwl_shared *shrd; + struct iwl_op_mode *op_mode; + + int fw_index; /* firmware we're trying to load */ + char firmware_name[25]; /* name of firmware file to load */ + + struct completion request_firmware_complete; +}; + + + +/* + * struct fw_sec: Just for the image parsing proccess. + * For the fw storage we are using struct fw_desc. + */ +struct fw_sec { + const void *data; /* the sec data */ + size_t size; /* section size */ + u32 offset; /* offset of writing in the device */ +}; + +static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) +{ + if (desc->v_addr) + dma_free_coherent(trans(drv)->dev, desc->len, + desc->v_addr, desc->p_addr); + desc->v_addr = NULL; + desc->len = 0; +} + +static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) +{ + int i; + for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) + iwl_free_fw_desc(drv, &img->sec[i]); +} + +static void iwl_dealloc_ucode(struct iwl_drv *drv) +{ + int i; + for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) + iwl_free_fw_img(drv, drv->fw.img + i); +} + +static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, + struct fw_sec *sec) +{ + if (!sec || !sec->size) { + desc->v_addr = NULL; + return -EINVAL; + } + + desc->v_addr = dma_alloc_coherent(trans(drv)->dev, sec->size, + &desc->p_addr, GFP_KERNEL); + if (!desc->v_addr) + return -ENOMEM; + + desc->len = sec->size; + desc->offset = sec->offset; + memcpy(desc->v_addr, sec->data, sec->size); + return 0; +} + +static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); + +#define UCODE_EXPERIMENTAL_INDEX 100 +#define UCODE_EXPERIMENTAL_TAG "exp" + +static int iwl_request_firmware(struct iwl_drv *drv, bool first) +{ + const struct iwl_cfg *cfg = cfg(drv); + const char *name_pre = cfg->fw_name_pre; + char tag[8]; + + if (first) { +#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE + drv->fw_index = UCODE_EXPERIMENTAL_INDEX; + strcpy(tag, UCODE_EXPERIMENTAL_TAG); + } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { +#endif + drv->fw_index = cfg->ucode_api_max; + sprintf(tag, "%d", drv->fw_index); + } else { + drv->fw_index--; + sprintf(tag, "%d", drv->fw_index); + } + + if (drv->fw_index < cfg->ucode_api_min) { + IWL_ERR(drv, "no suitable firmware found!\n"); + return -ENOENT; + } + + sprintf(drv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); + + IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", + (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) + ? "EXPERIMENTAL " : "", + drv->firmware_name); + + return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, + trans(drv)->dev, + GFP_KERNEL, drv, iwl_ucode_callback); +} + +struct fw_img_parsing { + struct fw_sec sec[IWL_UCODE_SECTION_MAX]; + int sec_counter; +}; + +/* + * struct fw_sec_parsing: to extract fw section and it's offset from tlv + */ +struct fw_sec_parsing { + __le32 offset; + const u8 data[]; +} __packed; + +/** + * struct iwl_tlv_calib_data - parse the default calib data from TLV + * + * @ucode_type: the uCode to which the following default calib relates. + * @calib: default calibrations. + */ +struct iwl_tlv_calib_data { + __le32 ucode_type; + __le64 calib; +} __packed; + +struct iwl_firmware_pieces { + struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; + + u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; + u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; +}; + +/* + * These functions are just to extract uCode section data from the pieces + * structure. + */ +static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, + enum iwl_ucode_type type, + int sec) +{ + return &pieces->img[type].sec[sec]; +} + +static void set_sec_data(struct iwl_firmware_pieces *pieces, + enum iwl_ucode_type type, + int sec, + const void *data) +{ + pieces->img[type].sec[sec].data = data; +} + +static void set_sec_size(struct iwl_firmware_pieces *pieces, + enum iwl_ucode_type type, + int sec, + size_t size) +{ + pieces->img[type].sec[sec].size = size; +} + +static size_t get_sec_size(struct iwl_firmware_pieces *pieces, + enum iwl_ucode_type type, + int sec) +{ + return pieces->img[type].sec[sec].size; +} + +static void set_sec_offset(struct iwl_firmware_pieces *pieces, + enum iwl_ucode_type type, + int sec, + u32 offset) +{ + pieces->img[type].sec[sec].offset = offset; +} + +/* + * Gets uCode section from tlv. + */ +static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, + const void *data, enum iwl_ucode_type type, + int size) +{ + struct fw_img_parsing *img; + struct fw_sec *sec; + struct fw_sec_parsing *sec_parse; + + if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) + return -1; + + sec_parse = (struct fw_sec_parsing *)data; + + img = &pieces->img[type]; + sec = &img->sec[img->sec_counter]; + + sec->offset = le32_to_cpu(sec_parse->offset); + sec->data = sec_parse->data; + + ++img->sec_counter; + + return 0; +} + +static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) +{ + struct iwl_tlv_calib_data *def_calib = + (struct iwl_tlv_calib_data *)data; + u32 ucode_type = le32_to_cpu(def_calib->ucode_type); + if (ucode_type >= IWL_UCODE_TYPE_MAX) { + IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", + ucode_type); + return -EINVAL; + } + drv->fw.default_calib[ucode_type] = le64_to_cpu(def_calib->calib); + return 0; +} + +static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, + const struct firmware *ucode_raw, + struct iwl_firmware_pieces *pieces) +{ + struct iwl_ucode_header *ucode = (void *)ucode_raw->data; + u32 api_ver, hdr_size, build; + char buildstr[25]; + const u8 *src; + + drv->fw.ucode_ver = le32_to_cpu(ucode->ver); + api_ver = IWL_UCODE_API(drv->fw.ucode_ver); + + switch (api_ver) { + default: + hdr_size = 28; + if (ucode_raw->size < hdr_size) { + IWL_ERR(drv, "File size too small!\n"); + return -EINVAL; + } + build = le32_to_cpu(ucode->u.v2.build); + set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, + le32_to_cpu(ucode->u.v2.inst_size)); + set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, + le32_to_cpu(ucode->u.v2.data_size)); + set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, + le32_to_cpu(ucode->u.v2.init_size)); + set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, + le32_to_cpu(ucode->u.v2.init_data_size)); + src = ucode->u.v2.data; + break; + case 0: + case 1: + case 2: + hdr_size = 24; + if (ucode_raw->size < hdr_size) { + IWL_ERR(drv, "File size too small!\n"); + return -EINVAL; + } + build = 0; + set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, + le32_to_cpu(ucode->u.v1.inst_size)); + set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, + le32_to_cpu(ucode->u.v1.data_size)); + set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, + le32_to_cpu(ucode->u.v1.init_size)); + set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, + le32_to_cpu(ucode->u.v1.init_data_size)); + src = ucode->u.v1.data; + break; + } + + if (build) + sprintf(buildstr, " build %u%s", build, + (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) + ? " (EXP)" : ""); + else + buildstr[0] = '\0'; + + snprintf(drv->fw.fw_version, + sizeof(drv->fw.fw_version), + "%u.%u.%u.%u%s", + IWL_UCODE_MAJOR(drv->fw.ucode_ver), + IWL_UCODE_MINOR(drv->fw.ucode_ver), + IWL_UCODE_API(drv->fw.ucode_ver), + IWL_UCODE_SERIAL(drv->fw.ucode_ver), + buildstr); + + /* Verify size of file vs. image size info in file's header */ + + if (ucode_raw->size != hdr_size + + get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + + get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + + get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + + get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { + + IWL_ERR(drv, + "uCode file size %d does not match expected size\n", + (int)ucode_raw->size); + return -EINVAL; + } + + + set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); + src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); + set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, + IWLAGN_RTC_INST_LOWER_BOUND); + set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); + src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); + set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, + IWLAGN_RTC_DATA_LOWER_BOUND); + set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); + src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); + set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, + IWLAGN_RTC_INST_LOWER_BOUND); + set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); + src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); + set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, + IWLAGN_RTC_DATA_LOWER_BOUND); + return 0; +} + +static int iwl_parse_tlv_firmware(struct iwl_drv *drv, + const struct firmware *ucode_raw, + struct iwl_firmware_pieces *pieces, + struct iwl_ucode_capabilities *capa) +{ + struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; + struct iwl_ucode_tlv *tlv; + size_t len = ucode_raw->size; + const u8 *data; + int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative; + int tmp; + u64 alternatives; + u32 tlv_len; + enum iwl_ucode_tlv_type tlv_type; + const u8 *tlv_data; + char buildstr[25]; + u32 build; + + if (len < sizeof(*ucode)) { + IWL_ERR(drv, "uCode has invalid length: %zd\n", len); + return -EINVAL; + } + + if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { + IWL_ERR(drv, "invalid uCode magic: 0X%x\n", + le32_to_cpu(ucode->magic)); + return -EINVAL; + } + + /* + * Check which alternatives are present, and "downgrade" + * when the chosen alternative is not present, warning + * the user when that happens. Some files may not have + * any alternatives, so don't warn in that case. + */ + alternatives = le64_to_cpu(ucode->alternatives); + tmp = wanted_alternative; + if (wanted_alternative > 63) + wanted_alternative = 63; + while (wanted_alternative && !(alternatives & BIT(wanted_alternative))) + wanted_alternative--; + if (wanted_alternative && wanted_alternative != tmp) + IWL_WARN(drv, + "uCode alternative %d not available, choosing %d\n", + tmp, wanted_alternative); + + drv->fw.ucode_ver = le32_to_cpu(ucode->ver); + build = le32_to_cpu(ucode->build); + + if (build) + sprintf(buildstr, " build %u%s", build, + (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) + ? " (EXP)" : ""); + else + buildstr[0] = '\0'; + + snprintf(drv->fw.fw_version, + sizeof(drv->fw.fw_version), + "%u.%u.%u.%u%s", + IWL_UCODE_MAJOR(drv->fw.ucode_ver), + IWL_UCODE_MINOR(drv->fw.ucode_ver), + IWL_UCODE_API(drv->fw.ucode_ver), + IWL_UCODE_SERIAL(drv->fw.ucode_ver), + buildstr); + + data = ucode->data; + + len -= sizeof(*ucode); + + while (len >= sizeof(*tlv)) { + u16 tlv_alt; + + len -= sizeof(*tlv); + tlv = (void *)data; + + tlv_len = le32_to_cpu(tlv->length); + tlv_type = le16_to_cpu(tlv->type); + tlv_alt = le16_to_cpu(tlv->alternative); + tlv_data = tlv->data; + + if (len < tlv_len) { + IWL_ERR(drv, "invalid TLV len: %zd/%u\n", + len, tlv_len); + return -EINVAL; + } + len -= ALIGN(tlv_len, 4); + data += sizeof(*tlv) + ALIGN(tlv_len, 4); + + /* + * Alternative 0 is always valid. + * + * Skip alternative TLVs that are not selected. + */ + if (tlv_alt != 0 && tlv_alt != wanted_alternative) + continue; + + switch (tlv_type) { + case IWL_UCODE_TLV_INST: + set_sec_data(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_INST, tlv_data); + set_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_INST, tlv_len); + set_sec_offset(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_INST, + IWLAGN_RTC_INST_LOWER_BOUND); + break; + case IWL_UCODE_TLV_DATA: + set_sec_data(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA, tlv_data); + set_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA, tlv_len); + set_sec_offset(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA, + IWLAGN_RTC_DATA_LOWER_BOUND); + break; + case IWL_UCODE_TLV_INIT: + set_sec_data(pieces, IWL_UCODE_INIT, + IWL_UCODE_SECTION_INST, tlv_data); + set_sec_size(pieces, IWL_UCODE_INIT, + IWL_UCODE_SECTION_INST, tlv_len); + set_sec_offset(pieces, IWL_UCODE_INIT, + IWL_UCODE_SECTION_INST, + IWLAGN_RTC_INST_LOWER_BOUND); + break; + case IWL_UCODE_TLV_INIT_DATA: + set_sec_data(pieces, IWL_UCODE_INIT, + IWL_UCODE_SECTION_DATA, tlv_data); + set_sec_size(pieces, IWL_UCODE_INIT, + IWL_UCODE_SECTION_DATA, tlv_len); + set_sec_offset(pieces, IWL_UCODE_INIT, + IWL_UCODE_SECTION_DATA, + IWLAGN_RTC_DATA_LOWER_BOUND); + break; + case IWL_UCODE_TLV_BOOT: + IWL_ERR(drv, "Found unexpected BOOT ucode\n"); + break; + case IWL_UCODE_TLV_PROBE_MAX_LEN: + if (tlv_len != sizeof(u32)) + goto invalid_tlv_len; + capa->max_probe_length = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_PAN: + if (tlv_len) + goto invalid_tlv_len; + capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; + break; + case IWL_UCODE_TLV_FLAGS: + /* must be at least one u32 */ + if (tlv_len < sizeof(u32)) + goto invalid_tlv_len; + /* and a proper number of u32s */ + if (tlv_len % sizeof(u32)) + goto invalid_tlv_len; + /* + * This driver only reads the first u32 as + * right now no more features are defined, + * if that changes then either the driver + * will not work with the new firmware, or + * it'll not take advantage of new features. + */ + capa->flags = le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_INIT_EVTLOG_PTR: + if (tlv_len != sizeof(u32)) + goto invalid_tlv_len; + pieces->init_evtlog_ptr = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: + if (tlv_len != sizeof(u32)) + goto invalid_tlv_len; + pieces->init_evtlog_size = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_INIT_ERRLOG_PTR: + if (tlv_len != sizeof(u32)) + goto invalid_tlv_len; + pieces->init_errlog_ptr = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: + if (tlv_len != sizeof(u32)) + goto invalid_tlv_len; + pieces->inst_evtlog_ptr = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: + if (tlv_len != sizeof(u32)) + goto invalid_tlv_len; + pieces->inst_evtlog_size = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: + if (tlv_len != sizeof(u32)) + goto invalid_tlv_len; + pieces->inst_errlog_ptr = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_ENHANCE_SENS_TBL: + if (tlv_len) + goto invalid_tlv_len; + drv->fw.enhance_sensitivity_table = true; + break; + case IWL_UCODE_TLV_WOWLAN_INST: + set_sec_data(pieces, IWL_UCODE_WOWLAN, + IWL_UCODE_SECTION_INST, tlv_data); + set_sec_size(pieces, IWL_UCODE_WOWLAN, + IWL_UCODE_SECTION_INST, tlv_len); + set_sec_offset(pieces, IWL_UCODE_WOWLAN, + IWL_UCODE_SECTION_INST, + IWLAGN_RTC_INST_LOWER_BOUND); + break; + case IWL_UCODE_TLV_WOWLAN_DATA: + set_sec_data(pieces, IWL_UCODE_WOWLAN, + IWL_UCODE_SECTION_DATA, tlv_data); + set_sec_size(pieces, IWL_UCODE_WOWLAN, + IWL_UCODE_SECTION_DATA, tlv_len); + set_sec_offset(pieces, IWL_UCODE_WOWLAN, + IWL_UCODE_SECTION_DATA, + IWLAGN_RTC_DATA_LOWER_BOUND); + break; + case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: + if (tlv_len != sizeof(u32)) + goto invalid_tlv_len; + capa->standard_phy_calibration_size = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_SEC_RT: + iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, + tlv_len); + drv->fw.mvm_fw = true; + break; + case IWL_UCODE_TLV_SEC_INIT: + iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, + tlv_len); + drv->fw.mvm_fw = true; + break; + case IWL_UCODE_TLV_SEC_WOWLAN: + iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, + tlv_len); + drv->fw.mvm_fw = true; + break; + case IWL_UCODE_TLV_DEF_CALIB: + if (tlv_len != sizeof(struct iwl_tlv_calib_data)) + goto invalid_tlv_len; + if (iwl_set_default_calib(drv, tlv_data)) + goto tlv_error; + break; + case IWL_UCODE_TLV_PHY_SKU: + if (tlv_len != sizeof(u32)) + goto invalid_tlv_len; + drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); + break; + default: + IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); + break; + } + } + + if (len) { + IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); + iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); + return -EINVAL; + } + + return 0; + + invalid_tlv_len: + IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); + tlv_error: + iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); + + return -EINVAL; +} + +static int alloc_pci_desc(struct iwl_drv *drv, + struct iwl_firmware_pieces *pieces, + enum iwl_ucode_type type) +{ + int i; + for (i = 0; + i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); + i++) + if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), + get_sec(pieces, type, i))) + return -1; + return 0; +} + +static int validate_sec_sizes(struct iwl_drv *drv, + struct iwl_firmware_pieces *pieces, + const struct iwl_cfg *cfg) +{ + IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", + get_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_INST)); + IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", + get_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA)); + IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", + get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); + IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", + get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); + + /* Verify that uCode images will fit in card's SRAM. */ + if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > + cfg->max_inst_size) { + IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", + get_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_INST)); + return -1; + } + + if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > + cfg->max_data_size) { + IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", + get_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA)); + return -1; + } + + if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > + cfg->max_inst_size) { + IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", + get_sec_size(pieces, IWL_UCODE_INIT, + IWL_UCODE_SECTION_INST)); + return -1; + } + + if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > + cfg->max_data_size) { + IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", + get_sec_size(pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA)); + return -1; + } + return 0; +} + + +/** + * iwl_ucode_callback - callback when firmware was loaded + * + * If loaded successfully, copies the firmware into buffers + * for the card to fetch (via DMA). + */ +static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) +{ + struct iwl_drv *drv = context; + const struct iwl_cfg *cfg = cfg(drv); + struct iwl_fw *fw = &drv->fw; + struct iwl_ucode_header *ucode; + int err; + struct iwl_firmware_pieces pieces; + const unsigned int api_max = cfg->ucode_api_max; + unsigned int api_ok = cfg->ucode_api_ok; + const unsigned int api_min = cfg->ucode_api_min; + u32 api_ver; + int i; + + fw->ucode_capa.max_probe_length = 200; + fw->ucode_capa.standard_phy_calibration_size = + IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; + + if (!api_ok) + api_ok = api_max; + + memset(&pieces, 0, sizeof(pieces)); + + if (!ucode_raw) { + if (drv->fw_index <= api_ok) + IWL_ERR(drv, + "request for firmware file '%s' failed.\n", + drv->firmware_name); + goto try_again; + } + + IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", + drv->firmware_name, ucode_raw->size); + + /* Make sure that we got at least the API version number */ + if (ucode_raw->size < 4) { + IWL_ERR(drv, "File size way too small!\n"); + goto try_again; + } + + /* Data from ucode file: header followed by uCode images */ + ucode = (struct iwl_ucode_header *)ucode_raw->data; + + if (ucode->ver) + err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces); + else + err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces, + &fw->ucode_capa); + + if (err) + goto try_again; + + api_ver = IWL_UCODE_API(drv->fw.ucode_ver); + + /* + * api_ver should match the api version forming part of the + * firmware filename ... but we don't check for that and only rely + * on the API version read from firmware header from here on forward + */ + /* no api version check required for experimental uCode */ + if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { + if (api_ver < api_min || api_ver > api_max) { + IWL_ERR(drv, + "Driver unable to support your firmware API. " + "Driver supports v%u, firmware is v%u.\n", + api_max, api_ver); + goto try_again; + } + + if (api_ver < api_ok) { + if (api_ok != api_max) + IWL_ERR(drv, "Firmware has old API version, " + "expected v%u through v%u, got v%u.\n", + api_ok, api_max, api_ver); + else + IWL_ERR(drv, "Firmware has old API version, " + "expected v%u, got v%u.\n", + api_max, api_ver); + IWL_ERR(drv, "New firmware can be obtained from " + "http://www.intellinuxwireless.org/.\n"); + } + } + + IWL_INFO(drv, "loaded firmware version %s", drv->fw.fw_version); + + /* + * For any of the failures below (before allocating pci memory) + * we will try to load a version with a smaller API -- maybe the + * user just got a corrupted version of the latest API. + */ + + IWL_DEBUG_INFO(drv, "f/w package hdr ucode version raw = 0x%x\n", + drv->fw.ucode_ver); + IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", + get_sec_size(&pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_INST)); + IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", + get_sec_size(&pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA)); + IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", + get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); + IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", + get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); + + /* Verify that uCode images will fit in card's SRAM */ + if (get_sec_size(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > + cfg->max_inst_size) { + IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", + get_sec_size(&pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_INST)); + goto try_again; + } + + if (get_sec_size(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > + cfg->max_data_size) { + IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", + get_sec_size(&pieces, IWL_UCODE_REGULAR, + IWL_UCODE_SECTION_DATA)); + goto try_again; + } + + /* + * In mvm uCode there is no difference between data and instructions + * sections. + */ + if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, cfg)) + goto try_again; + + /* Allocate ucode buffers for card's bus-master loading ... */ + + /* Runtime instructions and 2 copies of data: + * 1) unmodified from disk + * 2) backup cache for save/restore during power-downs */ + for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) + if (alloc_pci_desc(drv, &pieces, i)) + goto err_pci_alloc; + + /* Now that we can no longer fail, copy information */ + + /* + * The (size - 16) / 12 formula is based on the information recorded + * for each event, which is of mode 1 (including timestamp) for all + * new microcodes that include this information. + */ + fw->init_evtlog_ptr = pieces.init_evtlog_ptr; + if (pieces.init_evtlog_size) + fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; + else + fw->init_evtlog_size = + cfg->base_params->max_event_log_size; + fw->init_errlog_ptr = pieces.init_errlog_ptr; + fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr; + if (pieces.inst_evtlog_size) + fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; + else + fw->inst_evtlog_size = + cfg->base_params->max_event_log_size; + fw->inst_errlog_ptr = pieces.inst_errlog_ptr; + + /* + * figure out the offset of chain noise reset and gain commands + * base on the size of standard phy calibration commands table size + */ + if (fw->ucode_capa.standard_phy_calibration_size > + IWL_MAX_PHY_CALIBRATE_TBL_SIZE) + fw->ucode_capa.standard_phy_calibration_size = + IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; + + /* We have our copies now, allow OS release its copies */ + release_firmware(ucode_raw); + complete(&drv->request_firmware_complete); + + drv->op_mode = iwl_dvm_ops.start(drv->shrd->trans, &drv->fw); + + if (!drv->op_mode) + goto out_unbind; + + return; + + try_again: + /* try next, if any */ + release_firmware(ucode_raw); + if (iwl_request_firmware(drv, false)) + goto out_unbind; + return; + + err_pci_alloc: + IWL_ERR(drv, "failed to allocate pci memory\n"); + iwl_dealloc_ucode(drv); + release_firmware(ucode_raw); + out_unbind: + complete(&drv->request_firmware_complete); + device_release_driver(trans(drv)->dev); +} + +int iwl_drv_start(struct iwl_shared *shrd, + struct iwl_trans *trans, const struct iwl_cfg *cfg) +{ + struct iwl_drv *drv; + int ret; + + shrd->cfg = cfg; + + drv = kzalloc(sizeof(*drv), GFP_KERNEL); + if (!drv) { + dev_printk(KERN_ERR, trans->dev, "Couldn't allocate iwl_drv"); + return -ENOMEM; + } + drv->shrd = shrd; + shrd->drv = drv; + + init_completion(&drv->request_firmware_complete); + + ret = iwl_request_firmware(drv, true); + + if (ret) { + dev_printk(KERN_ERR, trans->dev, "Couldn't request the fw"); + kfree(drv); + shrd->drv = NULL; + } + + return ret; +} + +void iwl_drv_stop(struct iwl_shared *shrd) +{ + struct iwl_drv *drv = shrd->drv; + + wait_for_completion(&drv->request_firmware_complete); + + /* op_mode can be NULL if its start failed */ + if (drv->op_mode) + iwl_op_mode_stop(drv->op_mode); + + iwl_dealloc_ucode(drv); + + kfree(drv); + shrd->drv = NULL; +} diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.h b/drivers/net/wireless/iwlwifi/iwl-drv.h new file mode 100644 index 000000000000..3b771c1d9096 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-drv.h @@ -0,0 +1,123 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __iwl_drv_h__ +#define __iwl_drv_h__ + +#include "iwl-shared.h" + +/** + * DOC: Driver system flows - drv component + * + * This component implements the system flows such as bus enumeration, bus + * removal. Bus dependent parts of system flows (such as iwl_pci_probe) are in + * bus specific files (transport files). This is the code that is common among + * different buses. + * + * This component is also in charge of managing the several implementations of + * the wifi flows: it will allow to have several fw API implementation. These + * different implementations will differ in the way they implement mac80211's + * handlers too. + + * The init flow wrt to the drv component looks like this: + * 1) The bus specific component is called from module_init + * 2) The bus specific component registers the bus driver + * 3) The bus driver calls the probe function + * 4) The bus specific component configures the bus + * 5) The bus specific component calls to the drv bus agnostic part + * (iwl_drv_start) + * 6) iwl_drv_start fetches the fw ASYNC, iwl_ucode_callback + * 7) iwl_ucode_callback parses the fw file + * 8) iwl_ucode_callback starts the wifi implementation to matches the fw + */ + +/** + * iwl_drv_start - start the drv + * + * @shrd: the shrd area + * @trans_ops: the ops of the transport + * @cfg: device specific constants / virtual functions + * + * TODO: review the parameters given to this function + * + * starts the driver: fetches the firmware. This should be called by bus + * specific system flows implementations. For example, the bus specific probe + * function should do bus related operations only, and then call to this + * function. + */ +int iwl_drv_start(struct iwl_shared *shrd, + struct iwl_trans *trans, const struct iwl_cfg *cfg); + +/** + * iwl_drv_stop - stop the drv + * + * @shrd: the shrd area + * + * TODO: review the parameters given to this function + * + * Stop the driver. This should be called by bus specific system flows + * implementations. For example, the bus specific remove function should first + * call this function and then do the bus related operations only. + */ +void iwl_drv_stop(struct iwl_shared *shrd); + +#endif /* __iwl_drv_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c index c1eda9724f42..23cea42b9495 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -75,6 +75,7 @@ #include "iwl-agn.h" #include "iwl-eeprom.h" #include "iwl-io.h" +#include "iwl-prph.h" /************************** EEPROM BANDS **************************** * @@ -149,23 +150,27 @@ static const u8 iwl_eeprom_band_7[] = { /* 5.2 ht40 channel */ * EEPROM chip, not a single event, so even reads could conflict if they * weren't arbitrated by the semaphore. */ -static int iwl_eeprom_acquire_semaphore(struct iwl_bus *bus) + +#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */ +#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ + +static int iwl_eeprom_acquire_semaphore(struct iwl_trans *trans) { u16 count; int ret; for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) { /* Request semaphore */ - iwl_set_bit(bus, CSR_HW_IF_CONFIG_REG, + iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM); /* See if we got it */ - ret = iwl_poll_bit(bus, CSR_HW_IF_CONFIG_REG, + ret = iwl_poll_bit(trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM, EEPROM_SEM_TIMEOUT); if (ret >= 0) { - IWL_DEBUG_EEPROM(bus, + IWL_DEBUG_EEPROM(trans, "Acquired semaphore after %d tries.\n", count+1); return ret; @@ -175,16 +180,17 @@ static int iwl_eeprom_acquire_semaphore(struct iwl_bus *bus) return ret; } -static void iwl_eeprom_release_semaphore(struct iwl_bus *bus) +static void iwl_eeprom_release_semaphore(struct iwl_trans *trans) { - iwl_clear_bit(bus, CSR_HW_IF_CONFIG_REG, + iwl_clear_bit(trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM); } static int iwl_eeprom_verify_signature(struct iwl_trans *trans) { - u32 gp = iwl_read32(bus(trans), CSR_EEPROM_GP) & CSR_EEPROM_GP_VALID_MSK; + u32 gp = iwl_read32(trans, CSR_EEPROM_GP) & + CSR_EEPROM_GP_VALID_MSK; int ret = 0; IWL_DEBUG_EEPROM(trans, "EEPROM signature=0x%08x\n", gp); @@ -247,46 +253,46 @@ err: } -int iwl_eeprom_check_sku(struct iwl_priv *priv) +int iwl_eeprom_init_hw_params(struct iwl_priv *priv) { struct iwl_shared *shrd = priv->shrd; u16 radio_cfg; - if (!cfg(priv)->sku) { - /* not using sku overwrite */ - cfg(priv)->sku = iwl_eeprom_query16(shrd, EEPROM_SKU_CAP); - if (cfg(priv)->sku & EEPROM_SKU_CAP_11N_ENABLE && - !cfg(priv)->ht_params) { - IWL_ERR(priv, "Invalid 11n configuration\n"); - return -EINVAL; - } + hw_params(priv).sku = iwl_eeprom_query16(shrd, EEPROM_SKU_CAP); + if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE && + !cfg(priv)->ht_params) { + IWL_ERR(priv, "Invalid 11n configuration\n"); + return -EINVAL; } - if (!cfg(priv)->sku) { + + if (!hw_params(priv).sku) { IWL_ERR(priv, "Invalid device sku\n"); return -EINVAL; } - IWL_INFO(priv, "Device SKU: 0x%X\n", cfg(priv)->sku); - - if (!cfg(priv)->valid_tx_ant && !cfg(priv)->valid_rx_ant) { - /* not using .cfg overwrite */ - radio_cfg = iwl_eeprom_query16(shrd, EEPROM_RADIO_CONFIG); - cfg(priv)->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg); - cfg(priv)->valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(radio_cfg); - if (!cfg(priv)->valid_tx_ant || !cfg(priv)->valid_rx_ant) { - IWL_ERR(priv, "Invalid chain (0x%X, 0x%X)\n", - cfg(priv)->valid_tx_ant, - cfg(priv)->valid_rx_ant); - return -EINVAL; - } - IWL_INFO(priv, "Valid Tx ant: 0x%X, Valid Rx ant: 0x%X\n", - cfg(priv)->valid_tx_ant, cfg(priv)->valid_rx_ant); + IWL_INFO(priv, "Device SKU: 0x%X\n", hw_params(priv).sku); + + radio_cfg = iwl_eeprom_query16(shrd, EEPROM_RADIO_CONFIG); + + hw_params(priv).valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg); + hw_params(priv).valid_rx_ant = EEPROM_RF_CFG_RX_ANT_MSK(radio_cfg); + + /* check overrides (some devices have wrong EEPROM) */ + if (cfg(priv)->valid_tx_ant) + hw_params(priv).valid_tx_ant = cfg(priv)->valid_tx_ant; + if (cfg(priv)->valid_rx_ant) + hw_params(priv).valid_rx_ant = cfg(priv)->valid_rx_ant; + + if (!hw_params(priv).valid_tx_ant || !hw_params(priv).valid_rx_ant) { + IWL_ERR(priv, "Invalid chain (0x%X, 0x%X)\n", + hw_params(priv).valid_tx_ant, + hw_params(priv).valid_rx_ant); + return -EINVAL; } - /* - * for some special cases, - * EEPROM did not reflect the correct antenna setting - * so overwrite the valid tx/rx antenna from .cfg - */ + + IWL_INFO(priv, "Valid Tx ant: 0x%X, Valid Rx ant: 0x%X\n", + hw_params(priv).valid_tx_ant, hw_params(priv).valid_rx_ant); + return 0; } @@ -303,19 +309,20 @@ void iwl_eeprom_get_mac(const struct iwl_shared *shrd, u8 *mac) * ******************************************************************************/ -static void iwl_set_otp_access(struct iwl_bus *bus, enum iwl_access_mode mode) +static void iwl_set_otp_access(struct iwl_trans *trans, + enum iwl_access_mode mode) { - iwl_read32(bus, CSR_OTP_GP_REG); + iwl_read32(trans, CSR_OTP_GP_REG); if (mode == IWL_OTP_ACCESS_ABSOLUTE) - iwl_clear_bit(bus, CSR_OTP_GP_REG, + iwl_clear_bit(trans, CSR_OTP_GP_REG, CSR_OTP_GP_REG_OTP_ACCESS_MODE); else - iwl_set_bit(bus, CSR_OTP_GP_REG, + iwl_set_bit(trans, CSR_OTP_GP_REG, CSR_OTP_GP_REG_OTP_ACCESS_MODE); } -static int iwl_get_nvm_type(struct iwl_bus *bus, u32 hw_rev) +static int iwl_get_nvm_type(struct iwl_trans *trans, u32 hw_rev) { u32 otpgp; int nvm_type; @@ -323,7 +330,7 @@ static int iwl_get_nvm_type(struct iwl_bus *bus, u32 hw_rev) /* OTP only valid for CP/PP and after */ switch (hw_rev & CSR_HW_REV_TYPE_MSK) { case CSR_HW_REV_TYPE_NONE: - IWL_ERR(bus, "Unknown hardware type\n"); + IWL_ERR(trans, "Unknown hardware type\n"); return -ENOENT; case CSR_HW_REV_TYPE_5300: case CSR_HW_REV_TYPE_5350: @@ -332,7 +339,7 @@ static int iwl_get_nvm_type(struct iwl_bus *bus, u32 hw_rev) nvm_type = NVM_DEVICE_TYPE_EEPROM; break; default: - otpgp = iwl_read32(bus, CSR_OTP_GP_REG); + otpgp = iwl_read32(trans, CSR_OTP_GP_REG); if (otpgp & CSR_OTP_GP_REG_DEVICE_SELECT) nvm_type = NVM_DEVICE_TYPE_OTP; else @@ -342,73 +349,74 @@ static int iwl_get_nvm_type(struct iwl_bus *bus, u32 hw_rev) return nvm_type; } -static int iwl_init_otp_access(struct iwl_bus *bus) +static int iwl_init_otp_access(struct iwl_trans *trans) { int ret; /* Enable 40MHz radio clock */ - iwl_write32(bus, CSR_GP_CNTRL, - iwl_read32(bus, CSR_GP_CNTRL) | + iwl_write32(trans, CSR_GP_CNTRL, + iwl_read32(trans, CSR_GP_CNTRL) | CSR_GP_CNTRL_REG_FLAG_INIT_DONE); /* wait for clock to be ready */ - ret = iwl_poll_bit(bus, CSR_GP_CNTRL, + ret = iwl_poll_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) - IWL_ERR(bus, "Time out access OTP\n"); + IWL_ERR(trans, "Time out access OTP\n"); else { - iwl_set_bits_prph(bus, APMG_PS_CTRL_REG, + iwl_set_bits_prph(trans, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ); udelay(5); - iwl_clear_bits_prph(bus, APMG_PS_CTRL_REG, + iwl_clear_bits_prph(trans, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_RESET_REQ); /* * CSR auto clock gate disable bit - * this is only applicable for HW with OTP shadow RAM */ - if (cfg(bus)->base_params->shadow_ram_support) - iwl_set_bit(bus, CSR_DBG_LINK_PWR_MGMT_REG, + if (cfg(trans)->base_params->shadow_ram_support) + iwl_set_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG, CSR_RESET_LINK_PWR_MGMT_DISABLED); } return ret; } -static int iwl_read_otp_word(struct iwl_bus *bus, u16 addr, __le16 *eeprom_data) +static int iwl_read_otp_word(struct iwl_trans *trans, u16 addr, + __le16 *eeprom_data) { int ret = 0; u32 r; u32 otpgp; - iwl_write32(bus, CSR_EEPROM_REG, + iwl_write32(trans, CSR_EEPROM_REG, CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - ret = iwl_poll_bit(bus, CSR_EEPROM_REG, + ret = iwl_poll_bit(trans, CSR_EEPROM_REG, CSR_EEPROM_REG_READ_VALID_MSK, CSR_EEPROM_REG_READ_VALID_MSK, IWL_EEPROM_ACCESS_TIMEOUT); if (ret < 0) { - IWL_ERR(bus, "Time out reading OTP[%d]\n", addr); + IWL_ERR(trans, "Time out reading OTP[%d]\n", addr); return ret; } - r = iwl_read32(bus, CSR_EEPROM_REG); + r = iwl_read32(trans, CSR_EEPROM_REG); /* check for ECC errors: */ - otpgp = iwl_read32(bus, CSR_OTP_GP_REG); + otpgp = iwl_read32(trans, CSR_OTP_GP_REG); if (otpgp & CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK) { /* stop in this case */ /* set the uncorrectable OTP ECC bit for acknowledgement */ - iwl_set_bit(bus, CSR_OTP_GP_REG, + iwl_set_bit(trans, CSR_OTP_GP_REG, CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK); - IWL_ERR(bus, "Uncorrectable OTP ECC error, abort OTP read\n"); + IWL_ERR(trans, "Uncorrectable OTP ECC error, abort OTP read\n"); return -EINVAL; } if (otpgp & CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK) { /* continue in this case */ /* set the correctable OTP ECC bit for acknowledgement */ - iwl_set_bit(bus, CSR_OTP_GP_REG, + iwl_set_bit(trans, CSR_OTP_GP_REG, CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK); - IWL_ERR(bus, "Correctable OTP ECC error, continue read\n"); + IWL_ERR(trans, "Correctable OTP ECC error, continue read\n"); } *eeprom_data = cpu_to_le16(r >> 16); return 0; @@ -417,20 +425,20 @@ static int iwl_read_otp_word(struct iwl_bus *bus, u16 addr, __le16 *eeprom_data) /* * iwl_is_otp_empty: check for empty OTP */ -static bool iwl_is_otp_empty(struct iwl_bus *bus) +static bool iwl_is_otp_empty(struct iwl_trans *trans) { u16 next_link_addr = 0; __le16 link_value; bool is_empty = false; /* locate the beginning of OTP link list */ - if (!iwl_read_otp_word(bus, next_link_addr, &link_value)) { + if (!iwl_read_otp_word(trans, next_link_addr, &link_value)) { if (!link_value) { - IWL_ERR(bus, "OTP is empty\n"); + IWL_ERR(trans, "OTP is empty\n"); is_empty = true; } } else { - IWL_ERR(bus, "Unable to read first block of OTP list.\n"); + IWL_ERR(trans, "Unable to read first block of OTP list.\n"); is_empty = true; } @@ -447,7 +455,7 @@ static bool iwl_is_otp_empty(struct iwl_bus *bus) * we should read and used to configure the device. * only perform this operation if shadow RAM is disabled */ -static int iwl_find_otp_image(struct iwl_bus *bus, +static int iwl_find_otp_image(struct iwl_trans *trans, u16 *validblockaddr) { u16 next_link_addr = 0, valid_addr; @@ -455,10 +463,10 @@ static int iwl_find_otp_image(struct iwl_bus *bus, int usedblocks = 0; /* set addressing mode to absolute to traverse the link list */ - iwl_set_otp_access(bus, IWL_OTP_ACCESS_ABSOLUTE); + iwl_set_otp_access(trans, IWL_OTP_ACCESS_ABSOLUTE); /* checking for empty OTP or error */ - if (iwl_is_otp_empty(bus)) + if (iwl_is_otp_empty(trans)) return -EINVAL; /* @@ -472,9 +480,9 @@ static int iwl_find_otp_image(struct iwl_bus *bus, */ valid_addr = next_link_addr; next_link_addr = le16_to_cpu(link_value) * sizeof(u16); - IWL_DEBUG_EEPROM(bus, "OTP blocks %d addr 0x%x\n", + IWL_DEBUG_EEPROM(trans, "OTP blocks %d addr 0x%x\n", usedblocks, next_link_addr); - if (iwl_read_otp_word(bus, next_link_addr, &link_value)) + if (iwl_read_otp_word(trans, next_link_addr, &link_value)) return -EINVAL; if (!link_value) { /* @@ -489,10 +497,10 @@ static int iwl_find_otp_image(struct iwl_bus *bus, } /* more in the link list, continue */ usedblocks++; - } while (usedblocks <= cfg(bus)->base_params->max_ll_items); + } while (usedblocks <= cfg(trans)->base_params->max_ll_items); /* OTP has no valid blocks */ - IWL_DEBUG_EEPROM(bus, "OTP has no valid blocks\n"); + IWL_DEBUG_EEPROM(trans, "OTP has no valid blocks\n"); return -EINVAL; } @@ -505,7 +513,7 @@ static int iwl_find_otp_image(struct iwl_bus *bus, * iwl_get_max_txpower_avg - get the highest tx power from all chains. * find the highest tx power from all chains for the channel */ -static s8 iwl_get_max_txpower_avg(struct iwl_cfg *cfg, +static s8 iwl_get_max_txpower_avg(const struct iwl_cfg *cfg, struct iwl_eeprom_enhanced_txpwr *enhanced_txpower, int element, s8 *max_txpower_in_half_dbm) { @@ -581,7 +589,7 @@ iwl_eeprom_enh_txp_read_element(struct iwl_priv *priv, #define TXP_CHECK_AND_PRINT(x) ((txp->flags & IWL_EEPROM_ENH_TXP_FL_##x) \ ? # x " " : "") -void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv) +static void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv) { struct iwl_shared *shrd = priv->shrd; struct iwl_eeprom_enhanced_txpwr *txp_array, *txp; @@ -652,65 +660,62 @@ void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv) * * NOTE: This routine uses the non-debug IO access functions. */ -int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) +int iwl_eeprom_init(struct iwl_trans *trans, u32 hw_rev) { - struct iwl_shared *shrd = priv->shrd; __le16 *e; - u32 gp = iwl_read32(bus(priv), CSR_EEPROM_GP); + u32 gp = iwl_read32(trans, CSR_EEPROM_GP); int sz; int ret; u16 addr; u16 validblockaddr = 0; u16 cache_addr = 0; - trans(priv)->nvm_device_type = iwl_get_nvm_type(bus(priv), hw_rev); - if (trans(priv)->nvm_device_type == -ENOENT) + trans->nvm_device_type = iwl_get_nvm_type(trans, hw_rev); + if (trans->nvm_device_type == -ENOENT) return -ENOENT; /* allocate eeprom */ - sz = cfg(priv)->base_params->eeprom_size; - IWL_DEBUG_EEPROM(priv, "NVM size = %d\n", sz); - shrd->eeprom = kzalloc(sz, GFP_KERNEL); - if (!shrd->eeprom) { + sz = cfg(trans)->base_params->eeprom_size; + IWL_DEBUG_EEPROM(trans, "NVM size = %d\n", sz); + trans->shrd->eeprom = kzalloc(sz, GFP_KERNEL); + if (!trans->shrd->eeprom) { ret = -ENOMEM; goto alloc_err; } - e = (__le16 *)shrd->eeprom; - - iwl_apm_init(priv); + e = (__le16 *)trans->shrd->eeprom; - ret = iwl_eeprom_verify_signature(trans(priv)); + ret = iwl_eeprom_verify_signature(trans); if (ret < 0) { - IWL_ERR(priv, "EEPROM not found, EEPROM_GP=0x%08x\n", gp); + IWL_ERR(trans, "EEPROM not found, EEPROM_GP=0x%08x\n", gp); ret = -ENOENT; goto err; } /* Make sure driver (instead of uCode) is allowed to read EEPROM */ - ret = iwl_eeprom_acquire_semaphore(bus(priv)); + ret = iwl_eeprom_acquire_semaphore(trans); if (ret < 0) { - IWL_ERR(priv, "Failed to acquire EEPROM semaphore.\n"); + IWL_ERR(trans, "Failed to acquire EEPROM semaphore.\n"); ret = -ENOENT; goto err; } - if (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP) { + if (trans->nvm_device_type == NVM_DEVICE_TYPE_OTP) { - ret = iwl_init_otp_access(bus(priv)); + ret = iwl_init_otp_access(trans); if (ret) { - IWL_ERR(priv, "Failed to initialize OTP access.\n"); + IWL_ERR(trans, "Failed to initialize OTP access.\n"); ret = -ENOENT; goto done; } - iwl_write32(bus(priv), CSR_EEPROM_GP, - iwl_read32(bus(priv), CSR_EEPROM_GP) & + iwl_write32(trans, CSR_EEPROM_GP, + iwl_read32(trans, CSR_EEPROM_GP) & ~CSR_EEPROM_GP_IF_OWNER_MSK); - iwl_set_bit(bus(priv), CSR_OTP_GP_REG, + iwl_set_bit(trans, CSR_OTP_GP_REG, CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK | CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK); /* traversing the linked list if no shadow ram supported */ - if (!cfg(priv)->base_params->shadow_ram_support) { - if (iwl_find_otp_image(bus(priv), &validblockaddr)) { + if (!cfg(trans)->base_params->shadow_ram_support) { + if (iwl_find_otp_image(trans, &validblockaddr)) { ret = -ENOENT; goto done; } @@ -719,7 +724,7 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) addr += sizeof(u16)) { __le16 eeprom_data; - ret = iwl_read_otp_word(bus(priv), addr, &eeprom_data); + ret = iwl_read_otp_word(trans, addr, &eeprom_data); if (ret) goto done; e[cache_addr / 2] = eeprom_data; @@ -730,36 +735,35 @@ int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev) for (addr = 0; addr < sz; addr += sizeof(u16)) { u32 r; - iwl_write32(bus(priv), CSR_EEPROM_REG, + iwl_write32(trans, CSR_EEPROM_REG, CSR_EEPROM_REG_MSK_ADDR & (addr << 1)); - ret = iwl_poll_bit(bus(priv), CSR_EEPROM_REG, + ret = iwl_poll_bit(trans, CSR_EEPROM_REG, CSR_EEPROM_REG_READ_VALID_MSK, CSR_EEPROM_REG_READ_VALID_MSK, IWL_EEPROM_ACCESS_TIMEOUT); if (ret < 0) { - IWL_ERR(priv, "Time out reading EEPROM[%d]\n", addr); + IWL_ERR(trans, + "Time out reading EEPROM[%d]\n", addr); goto done; } - r = iwl_read32(bus(priv), CSR_EEPROM_REG); + r = iwl_read32(trans, CSR_EEPROM_REG); e[addr / 2] = cpu_to_le16(r >> 16); } } - IWL_DEBUG_EEPROM(priv, "NVM Type: %s, version: 0x%x\n", - (trans(priv)->nvm_device_type == NVM_DEVICE_TYPE_OTP) + IWL_DEBUG_EEPROM(trans, "NVM Type: %s, version: 0x%x\n", + (trans->nvm_device_type == NVM_DEVICE_TYPE_OTP) ? "OTP" : "EEPROM", - iwl_eeprom_query16(shrd, EEPROM_VERSION)); + iwl_eeprom_query16(trans->shrd, EEPROM_VERSION)); ret = 0; done: - iwl_eeprom_release_semaphore(bus(priv)); + iwl_eeprom_release_semaphore(trans); err: if (ret) - iwl_eeprom_free(priv->shrd); - /* Reset chip to save power until we load uCode during "up". */ - iwl_apm_stop(priv); + iwl_eeprom_free(trans->shrd); alloc_err: return ret; } @@ -1021,8 +1025,8 @@ int iwl_init_channel_map(struct iwl_priv *priv) * driver need to process addition information * to determine the max channel tx power limits */ - if (cfg(priv)->lib->eeprom_ops.update_enhanced_txpower) - cfg(priv)->lib->eeprom_ops.update_enhanced_txpower(priv); + if (cfg(priv)->lib->eeprom_ops.enhanced_txpower) + iwl_eeprom_enhanced_txpower(priv); return 0; } @@ -1072,7 +1076,7 @@ void iwl_rf_config(struct iwl_priv *priv) /* write radio config values to register */ if (EEPROM_RF_CFG_TYPE_MSK(radio_cfg) <= EEPROM_RF_CONFIG_TYPE_MAX) { - iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, + iwl_set_bit(trans(priv), CSR_HW_IF_CONFIG_REG, EEPROM_RF_CFG_TYPE_MSK(radio_cfg) | EEPROM_RF_CFG_STEP_MSK(radio_cfg) | EEPROM_RF_CFG_DASH_MSK(radio_cfg)); @@ -1084,7 +1088,7 @@ void iwl_rf_config(struct iwl_priv *priv) WARN_ON(1); /* set CSR_HW_CONFIG_REG for uCode use */ - iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, + iwl_set_bit(trans(priv), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); } diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h index 9fa937ec35e3..e4a758340996 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -67,6 +67,7 @@ struct iwl_priv; struct iwl_shared; +struct iwl_trans; /* * EEPROM access time values: @@ -301,14 +302,14 @@ extern const u8 iwl_eeprom_band_1[14]; struct iwl_eeprom_ops { const u32 regulatory_bands[7]; - void (*update_enhanced_txpower) (struct iwl_priv *priv); + bool enhanced_txpower; }; -int iwl_eeprom_init(struct iwl_priv *priv, u32 hw_rev); +int iwl_eeprom_init(struct iwl_trans *trans, u32 hw_rev); void iwl_eeprom_free(struct iwl_shared *shrd); int iwl_eeprom_check_version(struct iwl_priv *priv); -int iwl_eeprom_check_sku(struct iwl_priv *priv); +int iwl_eeprom_init_hw_params(struct iwl_priv *priv); const u8 *iwl_eeprom_query_addr(const struct iwl_shared *shrd, size_t offset); u16 iwl_eeprom_query16(const struct iwl_shared *shrd, size_t offset); int iwl_init_channel_map(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index 5bede9d7f955..90208094b8eb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-file.h b/drivers/net/wireless/iwlwifi/iwl-fw-file.h new file mode 100644 index 000000000000..c924ccb93c8c --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-fw-file.h @@ -0,0 +1,165 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __iwl_fw_file_h__ +#define __iwl_fw_file_h__ + +#include <linux/netdevice.h> + +/* v1/v2 uCode file layout */ +struct iwl_ucode_header { + __le32 ver; /* major/minor/API/serial */ + union { + struct { + __le32 inst_size; /* bytes of runtime code */ + __le32 data_size; /* bytes of runtime data */ + __le32 init_size; /* bytes of init code */ + __le32 init_data_size; /* bytes of init data */ + __le32 boot_size; /* bytes of bootstrap code */ + u8 data[0]; /* in same order as sizes */ + } v1; + struct { + __le32 build; /* build number */ + __le32 inst_size; /* bytes of runtime code */ + __le32 data_size; /* bytes of runtime data */ + __le32 init_size; /* bytes of init code */ + __le32 init_data_size; /* bytes of init data */ + __le32 boot_size; /* bytes of bootstrap code */ + u8 data[0]; /* in same order as sizes */ + } v2; + } u; +}; + +/* + * new TLV uCode file layout + * + * The new TLV file format contains TLVs, that each specify + * some piece of data. To facilitate "groups", for example + * different instruction image with different capabilities, + * bundled with the same init image, an alternative mechanism + * is provided: + * When the alternative field is 0, that means that the item + * is always valid. When it is non-zero, then it is only + * valid in conjunction with items of the same alternative, + * in which case the driver (user) selects one alternative + * to use. + */ + +enum iwl_ucode_tlv_type { + IWL_UCODE_TLV_INVALID = 0, /* unused */ + IWL_UCODE_TLV_INST = 1, + IWL_UCODE_TLV_DATA = 2, + IWL_UCODE_TLV_INIT = 3, + IWL_UCODE_TLV_INIT_DATA = 4, + IWL_UCODE_TLV_BOOT = 5, + IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */ + IWL_UCODE_TLV_PAN = 7, + IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8, + IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9, + IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10, + IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, + IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, + IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, + IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, + IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15, + IWL_UCODE_TLV_WOWLAN_INST = 16, + IWL_UCODE_TLV_WOWLAN_DATA = 17, + IWL_UCODE_TLV_FLAGS = 18, + IWL_UCODE_TLV_SEC_RT = 19, + IWL_UCODE_TLV_SEC_INIT = 20, + IWL_UCODE_TLV_SEC_WOWLAN = 21, + IWL_UCODE_TLV_DEF_CALIB = 22, + IWL_UCODE_TLV_PHY_SKU = 23, +}; + +struct iwl_ucode_tlv { + __le16 type; /* see above */ + __le16 alternative; /* see comment */ + __le32 length; /* not including type/length fields */ + u8 data[0]; +}; + +#define IWL_TLV_UCODE_MAGIC 0x0a4c5749 + +struct iwl_tlv_ucode_header { + /* + * The TLV style ucode header is distinguished from + * the v1/v2 style header by first four bytes being + * zero, as such is an invalid combination of + * major/minor/API/serial versions. + */ + __le32 zero; + __le32 magic; + u8 human_readable[64]; + __le32 ver; /* major/minor/API/serial */ + __le32 build; + __le64 alternatives; /* bitmask of valid alternatives */ + /* + * The data contained herein has a TLV layout, + * see above for the TLV header and types. + * Note that each TLV is padded to a length + * that is a multiple of 4 for alignment. + */ + u8 data[0]; +}; + +#endif /* __iwl_fw_file_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h new file mode 100644 index 000000000000..8e36bdc1e522 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-fw.h @@ -0,0 +1,177 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __iwl_fw_h__ +#define __iwl_fw_h__ +#include <linux/types.h> + +/** + * enum iwl_ucode_tlv_flag - ucode API flags + * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously + * was a separate TLV but moved here to save space. + * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID, + * treats good CRC threshold as a boolean + * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w). + * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P. + */ +enum iwl_ucode_tlv_flag { + IWL_UCODE_TLV_FLAGS_PAN = BIT(0), + IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1), + IWL_UCODE_TLV_FLAGS_MFP = BIT(2), + IWL_UCODE_TLV_FLAGS_P2P = BIT(3), +}; + +/* The default calibrate table size if not specified by firmware file */ +#define IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE 18 +#define IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE 19 +#define IWL_MAX_PHY_CALIBRATE_TBL_SIZE 253 + +/** + * enum iwl_ucode_type + * + * The type of ucode. + * + * @IWL_UCODE_REGULAR: Normal runtime ucode + * @IWL_UCODE_INIT: Initial ucode + * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode + */ +enum iwl_ucode_type { + IWL_UCODE_REGULAR, + IWL_UCODE_INIT, + IWL_UCODE_WOWLAN, + IWL_UCODE_TYPE_MAX, +}; + +/* + * enumeration of ucode section. + * This enumeration is used for legacy tlv style (before 16.0 uCode). + */ +enum iwl_ucode_sec { + IWL_UCODE_SECTION_INST, + IWL_UCODE_SECTION_DATA, +}; +/* + * For 16.0 uCode and above, there is no differentiation between sections, + * just an offset to the HW address. + */ +#define IWL_UCODE_SECTION_MAX 4 + +struct iwl_ucode_capabilities { + u32 max_probe_length; + u32 standard_phy_calibration_size; + u32 flags; +}; + +/* one for each uCode image (inst/data, init/runtime/wowlan) */ +struct fw_desc { + dma_addr_t p_addr; /* hardware address */ + void *v_addr; /* software address */ + u32 len; /* size in bytes */ + u32 offset; /* offset in the device */ +}; + +struct fw_img { + struct fw_desc sec[IWL_UCODE_SECTION_MAX]; +}; + +/* uCode version contains 4 values: Major/Minor/API/Serial */ +#define IWL_UCODE_MAJOR(ver) (((ver) & 0xFF000000) >> 24) +#define IWL_UCODE_MINOR(ver) (((ver) & 0x00FF0000) >> 16) +#define IWL_UCODE_API(ver) (((ver) & 0x0000FF00) >> 8) +#define IWL_UCODE_SERIAL(ver) ((ver) & 0x000000FF) + +/** + * struct iwl_fw - variables associated with the firmware + * + * @ucode_ver: ucode version from the ucode file + * @fw_version: firmware version string + * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan. + * @ucode_capa: capabilities parsed from the ucode file. + * @enhance_sensitivity_table: device can do enhanced sensitivity. + * @init_evtlog_ptr: event log offset for init ucode. + * @init_evtlog_size: event log size for init ucode. + * @init_errlog_ptr: error log offfset for init ucode. + * @inst_evtlog_ptr: event log offset for runtime ucode. + * @inst_evtlog_size: event log size for runtime ucode. + * @inst_errlog_ptr: error log offfset for runtime ucode. + */ +struct iwl_fw { + u32 ucode_ver; + + char fw_version[ETHTOOL_BUSINFO_LEN]; + + /* ucode images */ + struct fw_img img[IWL_UCODE_TYPE_MAX]; + + struct iwl_ucode_capabilities ucode_capa; + bool enhance_sensitivity_table; + + u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; + u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; + + u64 default_calib[IWL_UCODE_TYPE_MAX]; + u32 phy_config; + + bool mvm_fw; +}; + +#endif /* __iwl_fw_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-io.c b/drivers/net/wireless/iwlwifi/iwl-io.c index d57ea6484bbe..081dd34d2387 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.c +++ b/drivers/net/wireless/iwlwifi/iwl-io.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project. * @@ -34,41 +34,41 @@ #define IWL_POLL_INTERVAL 10 /* microseconds */ -static inline void __iwl_set_bit(struct iwl_bus *bus, u32 reg, u32 mask) +static inline void __iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask) { - iwl_write32(bus, reg, iwl_read32(bus, reg) | mask); + iwl_write32(trans, reg, iwl_read32(trans, reg) | mask); } -static inline void __iwl_clear_bit(struct iwl_bus *bus, u32 reg, u32 mask) +static inline void __iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask) { - iwl_write32(bus, reg, iwl_read32(bus, reg) & ~mask); + iwl_write32(trans, reg, iwl_read32(trans, reg) & ~mask); } -void iwl_set_bit(struct iwl_bus *bus, u32 reg, u32 mask) +void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask) { unsigned long flags; - spin_lock_irqsave(&bus->reg_lock, flags); - __iwl_set_bit(bus, reg, mask); - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_lock_irqsave(&trans->reg_lock, flags); + __iwl_set_bit(trans, reg, mask); + spin_unlock_irqrestore(&trans->reg_lock, flags); } -void iwl_clear_bit(struct iwl_bus *bus, u32 reg, u32 mask) +void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask) { unsigned long flags; - spin_lock_irqsave(&bus->reg_lock, flags); - __iwl_clear_bit(bus, reg, mask); - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_lock_irqsave(&trans->reg_lock, flags); + __iwl_clear_bit(trans, reg, mask); + spin_unlock_irqrestore(&trans->reg_lock, flags); } -int iwl_poll_bit(struct iwl_bus *bus, u32 addr, +int iwl_poll_bit(struct iwl_trans *trans, u32 addr, u32 bits, u32 mask, int timeout) { int t = 0; do { - if ((iwl_read32(bus, addr) & mask) == (bits & mask)) + if ((iwl_read32(trans, addr) & mask) == (bits & mask)) return t; udelay(IWL_POLL_INTERVAL); t += IWL_POLL_INTERVAL; @@ -77,14 +77,15 @@ int iwl_poll_bit(struct iwl_bus *bus, u32 addr, return -ETIMEDOUT; } -int iwl_grab_nic_access_silent(struct iwl_bus *bus) +int iwl_grab_nic_access_silent(struct iwl_trans *trans) { int ret; - lockdep_assert_held(&bus->reg_lock); + lockdep_assert_held(&trans->reg_lock); /* this bit wakes up the NIC */ - __iwl_set_bit(bus, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + __iwl_set_bit(trans, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); /* * These bits say the device is running, and should keep running for @@ -105,70 +106,78 @@ int iwl_grab_nic_access_silent(struct iwl_bus *bus) * 5000 series and later (including 1000 series) have non-volatile SRAM, * and do not save/restore SRAM when power cycling. */ - ret = iwl_poll_bit(bus, CSR_GP_CNTRL, + ret = iwl_poll_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN, (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY | CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000); if (ret < 0) { - iwl_write32(bus, CSR_RESET, CSR_RESET_REG_FLAG_FORCE_NMI); + iwl_write32(trans, CSR_RESET, CSR_RESET_REG_FLAG_FORCE_NMI); return -EIO; } return 0; } -int iwl_grab_nic_access(struct iwl_bus *bus) +bool iwl_grab_nic_access(struct iwl_trans *trans) { - int ret = iwl_grab_nic_access_silent(bus); - if (ret) { - u32 val = iwl_read32(bus, CSR_GP_CNTRL); - IWL_ERR(bus, - "MAC is in deep sleep!. CSR_GP_CNTRL = 0x%08X\n", val); + int ret = iwl_grab_nic_access_silent(trans); + if (unlikely(ret)) { + u32 val = iwl_read32(trans, CSR_GP_CNTRL); + WARN_ONCE(1, "Timeout waiting for hardware access " + "(CSR_GP_CNTRL 0x%08x)\n", val); + return false; } - return ret; + return true; } -void iwl_release_nic_access(struct iwl_bus *bus) +void iwl_release_nic_access(struct iwl_trans *trans) { - lockdep_assert_held(&bus->reg_lock); - __iwl_clear_bit(bus, CSR_GP_CNTRL, + lockdep_assert_held(&trans->reg_lock); + __iwl_clear_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + /* + * Above we read the CSR_GP_CNTRL register, which will flush + * any previous writes, but we need the write that clears the + * MAC_ACCESS_REQ bit to be performed before any other writes + * scheduled on different CPUs (after we drop reg_lock). + */ + mmiowb(); } -u32 iwl_read_direct32(struct iwl_bus *bus, u32 reg) +u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg) { u32 value; unsigned long flags; - spin_lock_irqsave(&bus->reg_lock, flags); - iwl_grab_nic_access(bus); - value = iwl_read32(bus, reg); - iwl_release_nic_access(bus); - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_lock_irqsave(&trans->reg_lock, flags); + iwl_grab_nic_access(trans); + value = iwl_read32(trans, reg); + iwl_release_nic_access(trans); + spin_unlock_irqrestore(&trans->reg_lock, flags); return value; } -void iwl_write_direct32(struct iwl_bus *bus, u32 reg, u32 value) +void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value) { unsigned long flags; - spin_lock_irqsave(&bus->reg_lock, flags); - if (!iwl_grab_nic_access(bus)) { - iwl_write32(bus, reg, value); - iwl_release_nic_access(bus); + spin_lock_irqsave(&trans->reg_lock, flags); + if (likely(iwl_grab_nic_access(trans))) { + iwl_write32(trans, reg, value); + iwl_release_nic_access(trans); } - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_unlock_irqrestore(&trans->reg_lock, flags); } -int iwl_poll_direct_bit(struct iwl_bus *bus, u32 addr, u32 mask, +int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask, int timeout) { int t = 0; do { - if ((iwl_read_direct32(bus, addr) & mask) == mask) + if ((iwl_read_direct32(trans, addr) & mask) == mask) return t; udelay(IWL_POLL_INTERVAL); t += IWL_POLL_INTERVAL; @@ -177,135 +186,132 @@ int iwl_poll_direct_bit(struct iwl_bus *bus, u32 addr, u32 mask, return -ETIMEDOUT; } -static inline u32 __iwl_read_prph(struct iwl_bus *bus, u32 reg) +static inline u32 __iwl_read_prph(struct iwl_trans *trans, u32 reg) { - iwl_write32(bus, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); - rmb(); - return iwl_read32(bus, HBUS_TARG_PRPH_RDAT); + iwl_write32(trans, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); + return iwl_read32(trans, HBUS_TARG_PRPH_RDAT); } -static inline void __iwl_write_prph(struct iwl_bus *bus, u32 addr, u32 val) +static inline void __iwl_write_prph(struct iwl_trans *trans, u32 addr, u32 val) { - iwl_write32(bus, HBUS_TARG_PRPH_WADDR, + iwl_write32(trans, HBUS_TARG_PRPH_WADDR, ((addr & 0x0000FFFF) | (3 << 24))); - wmb(); - iwl_write32(bus, HBUS_TARG_PRPH_WDAT, val); + iwl_write32(trans, HBUS_TARG_PRPH_WDAT, val); } -u32 iwl_read_prph(struct iwl_bus *bus, u32 reg) +u32 iwl_read_prph(struct iwl_trans *trans, u32 reg) { unsigned long flags; u32 val; - spin_lock_irqsave(&bus->reg_lock, flags); - iwl_grab_nic_access(bus); - val = __iwl_read_prph(bus, reg); - iwl_release_nic_access(bus); - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_lock_irqsave(&trans->reg_lock, flags); + iwl_grab_nic_access(trans); + val = __iwl_read_prph(trans, reg); + iwl_release_nic_access(trans); + spin_unlock_irqrestore(&trans->reg_lock, flags); return val; } -void iwl_write_prph(struct iwl_bus *bus, u32 addr, u32 val) +void iwl_write_prph(struct iwl_trans *trans, u32 addr, u32 val) { unsigned long flags; - spin_lock_irqsave(&bus->reg_lock, flags); - if (!iwl_grab_nic_access(bus)) { - __iwl_write_prph(bus, addr, val); - iwl_release_nic_access(bus); + spin_lock_irqsave(&trans->reg_lock, flags); + if (likely(iwl_grab_nic_access(trans))) { + __iwl_write_prph(trans, addr, val); + iwl_release_nic_access(trans); } - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_unlock_irqrestore(&trans->reg_lock, flags); } -void iwl_set_bits_prph(struct iwl_bus *bus, u32 reg, u32 mask) +void iwl_set_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask) { unsigned long flags; - spin_lock_irqsave(&bus->reg_lock, flags); - iwl_grab_nic_access(bus); - __iwl_write_prph(bus, reg, __iwl_read_prph(bus, reg) | mask); - iwl_release_nic_access(bus); - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_lock_irqsave(&trans->reg_lock, flags); + if (likely(iwl_grab_nic_access(trans))) { + __iwl_write_prph(trans, reg, + __iwl_read_prph(trans, reg) | mask); + iwl_release_nic_access(trans); + } + spin_unlock_irqrestore(&trans->reg_lock, flags); } -void iwl_set_bits_mask_prph(struct iwl_bus *bus, u32 reg, +void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 reg, u32 bits, u32 mask) { unsigned long flags; - spin_lock_irqsave(&bus->reg_lock, flags); - iwl_grab_nic_access(bus); - __iwl_write_prph(bus, reg, - (__iwl_read_prph(bus, reg) & mask) | bits); - iwl_release_nic_access(bus); - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_lock_irqsave(&trans->reg_lock, flags); + if (likely(iwl_grab_nic_access(trans))) { + __iwl_write_prph(trans, reg, + (__iwl_read_prph(trans, reg) & mask) | bits); + iwl_release_nic_access(trans); + } + spin_unlock_irqrestore(&trans->reg_lock, flags); } -void iwl_clear_bits_prph(struct iwl_bus *bus, u32 reg, u32 mask) +void iwl_clear_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask) { unsigned long flags; u32 val; - spin_lock_irqsave(&bus->reg_lock, flags); - iwl_grab_nic_access(bus); - val = __iwl_read_prph(bus, reg); - __iwl_write_prph(bus, reg, (val & ~mask)); - iwl_release_nic_access(bus); - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_lock_irqsave(&trans->reg_lock, flags); + if (likely(iwl_grab_nic_access(trans))) { + val = __iwl_read_prph(trans, reg); + __iwl_write_prph(trans, reg, (val & ~mask)); + iwl_release_nic_access(trans); + } + spin_unlock_irqrestore(&trans->reg_lock, flags); } -void _iwl_read_targ_mem_words(struct iwl_bus *bus, u32 addr, +void _iwl_read_targ_mem_words(struct iwl_trans *trans, u32 addr, void *buf, int words) { unsigned long flags; int offs; u32 *vals = buf; - spin_lock_irqsave(&bus->reg_lock, flags); - iwl_grab_nic_access(bus); - - iwl_write32(bus, HBUS_TARG_MEM_RADDR, addr); - rmb(); - - for (offs = 0; offs < words; offs++) - vals[offs] = iwl_read32(bus, HBUS_TARG_MEM_RDAT); - - iwl_release_nic_access(bus); - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_lock_irqsave(&trans->reg_lock, flags); + if (likely(iwl_grab_nic_access(trans))) { + iwl_write32(trans, HBUS_TARG_MEM_RADDR, addr); + for (offs = 0; offs < words; offs++) + vals[offs] = iwl_read32(trans, HBUS_TARG_MEM_RDAT); + iwl_release_nic_access(trans); + } + spin_unlock_irqrestore(&trans->reg_lock, flags); } -u32 iwl_read_targ_mem(struct iwl_bus *bus, u32 addr) +u32 iwl_read_targ_mem(struct iwl_trans *trans, u32 addr) { u32 value; - _iwl_read_targ_mem_words(bus, addr, &value, 1); + _iwl_read_targ_mem_words(trans, addr, &value, 1); return value; } -int _iwl_write_targ_mem_words(struct iwl_bus *bus, u32 addr, +int _iwl_write_targ_mem_words(struct iwl_trans *trans, u32 addr, void *buf, int words) { unsigned long flags; int offs, result = 0; u32 *vals = buf; - spin_lock_irqsave(&bus->reg_lock, flags); - if (!iwl_grab_nic_access(bus)) { - iwl_write32(bus, HBUS_TARG_MEM_WADDR, addr); - wmb(); - + spin_lock_irqsave(&trans->reg_lock, flags); + if (likely(iwl_grab_nic_access(trans))) { + iwl_write32(trans, HBUS_TARG_MEM_WADDR, addr); for (offs = 0; offs < words; offs++) - iwl_write32(bus, HBUS_TARG_MEM_WDAT, vals[offs]); - iwl_release_nic_access(bus); + iwl_write32(trans, HBUS_TARG_MEM_WDAT, vals[offs]); + iwl_release_nic_access(trans); } else result = -EBUSY; - spin_unlock_irqrestore(&bus->reg_lock, flags); + spin_unlock_irqrestore(&trans->reg_lock, flags); return result; } -int iwl_write_targ_mem(struct iwl_bus *bus, u32 addr, u32 val) +int iwl_write_targ_mem(struct iwl_trans *trans, u32 addr, u32 val) { - return _iwl_write_targ_mem_words(bus, addr, &val, 1); + return _iwl_write_targ_mem_words(trans, addr, &val, 1); } diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h index aae2eeb331a8..09b856768f62 100644 --- a/drivers/net/wireless/iwlwifi/iwl-io.h +++ b/drivers/net/wireless/iwlwifi/iwl-io.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project. * @@ -31,63 +31,63 @@ #include "iwl-devtrace.h" #include "iwl-shared.h" -#include "iwl-bus.h" +#include "iwl-trans.h" -static inline void iwl_write8(struct iwl_bus *bus, u32 ofs, u8 val) +static inline void iwl_write8(struct iwl_trans *trans, u32 ofs, u8 val) { - trace_iwlwifi_dev_iowrite8(priv(bus), ofs, val); - bus_write8(bus, ofs, val); + trace_iwlwifi_dev_iowrite8(trans->dev, ofs, val); + iwl_trans_write8(trans, ofs, val); } -static inline void iwl_write32(struct iwl_bus *bus, u32 ofs, u32 val) +static inline void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val) { - trace_iwlwifi_dev_iowrite32(priv(bus), ofs, val); - bus_write32(bus, ofs, val); + trace_iwlwifi_dev_iowrite32(trans->dev, ofs, val); + iwl_trans_write32(trans, ofs, val); } -static inline u32 iwl_read32(struct iwl_bus *bus, u32 ofs) +static inline u32 iwl_read32(struct iwl_trans *trans, u32 ofs) { - u32 val = bus_read32(bus, ofs); - trace_iwlwifi_dev_ioread32(priv(bus), ofs, val); + u32 val = iwl_trans_read32(trans, ofs); + trace_iwlwifi_dev_ioread32(trans->dev, ofs, val); return val; } -void iwl_set_bit(struct iwl_bus *bus, u32 reg, u32 mask); -void iwl_clear_bit(struct iwl_bus *bus, u32 reg, u32 mask); +void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask); +void iwl_clear_bit(struct iwl_trans *trans, u32 reg, u32 mask); -int iwl_poll_bit(struct iwl_bus *bus, u32 addr, +int iwl_poll_bit(struct iwl_trans *trans, u32 addr, u32 bits, u32 mask, int timeout); -int iwl_poll_direct_bit(struct iwl_bus *bus, u32 addr, u32 mask, +int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask, int timeout); -int iwl_grab_nic_access_silent(struct iwl_bus *bus); -int iwl_grab_nic_access(struct iwl_bus *bus); -void iwl_release_nic_access(struct iwl_bus *bus); +int iwl_grab_nic_access_silent(struct iwl_trans *trans); +bool iwl_grab_nic_access(struct iwl_trans *trans); +void iwl_release_nic_access(struct iwl_trans *trans); -u32 iwl_read_direct32(struct iwl_bus *bus, u32 reg); -void iwl_write_direct32(struct iwl_bus *bus, u32 reg, u32 value); +u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg); +void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value); -u32 iwl_read_prph(struct iwl_bus *bus, u32 reg); -void iwl_write_prph(struct iwl_bus *bus, u32 addr, u32 val); -void iwl_set_bits_prph(struct iwl_bus *bus, u32 reg, u32 mask); -void iwl_set_bits_mask_prph(struct iwl_bus *bus, u32 reg, +u32 iwl_read_prph(struct iwl_trans *trans, u32 reg); +void iwl_write_prph(struct iwl_trans *trans, u32 addr, u32 val); +void iwl_set_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask); +void iwl_set_bits_mask_prph(struct iwl_trans *trans, u32 reg, u32 bits, u32 mask); -void iwl_clear_bits_prph(struct iwl_bus *bus, u32 reg, u32 mask); +void iwl_clear_bits_prph(struct iwl_trans *trans, u32 reg, u32 mask); -void _iwl_read_targ_mem_words(struct iwl_bus *bus, u32 addr, +void _iwl_read_targ_mem_words(struct iwl_trans *trans, u32 addr, void *buf, int words); -#define iwl_read_targ_mem_words(bus, addr, buf, bufsize) \ +#define iwl_read_targ_mem_words(trans, addr, buf, bufsize) \ do { \ BUILD_BUG_ON((bufsize) % sizeof(u32)); \ - _iwl_read_targ_mem_words(bus, addr, buf, \ + _iwl_read_targ_mem_words(trans, addr, buf, \ (bufsize) / sizeof(u32));\ } while (0) -int _iwl_write_targ_mem_words(struct iwl_bus *bus, u32 addr, +int _iwl_write_targ_mem_words(struct iwl_trans *trans, u32 addr, void *buf, int words); -u32 iwl_read_targ_mem(struct iwl_bus *bus, u32 addr); -int iwl_write_targ_mem(struct iwl_bus *bus, u32 addr, u32 val); +u32 iwl_read_targ_mem(struct iwl_trans *trans, u32 addr); +int iwl_write_targ_mem(struct iwl_trans *trans, u32 addr, u32 val); #endif diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c index 14dcbfcdc0fd..1993a2b7ae63 100644 --- a/drivers/net/wireless/iwlwifi/iwl-led.c +++ b/drivers/net/wireless/iwlwifi/iwl-led.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -71,7 +71,7 @@ static const struct ieee80211_tpt_blink iwl_blink[] = { /* Set led register off */ void iwlagn_led_enable(struct iwl_priv *priv) { - iwl_write32(bus(priv), CSR_LED_REG, CSR_LED_REG_TRUN_ON); + iwl_write32(trans(priv), CSR_LED_REG, CSR_LED_REG_TRUN_ON); } /* @@ -107,11 +107,12 @@ static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd) }; u32 reg; - reg = iwl_read32(bus(priv), CSR_LED_REG); + reg = iwl_read32(trans(priv), CSR_LED_REG); if (reg != (reg & CSR_LED_BSM_CTRL_MSK)) - iwl_write32(bus(priv), CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK); + iwl_write32(trans(priv), CSR_LED_REG, + reg & CSR_LED_BSM_CTRL_MSK); - return iwl_trans_send_cmd(trans(priv), &cmd); + return iwl_dvm_send_cmd(priv, &cmd); } /* Set led pattern command */ @@ -125,7 +126,7 @@ static int iwl_led_cmd(struct iwl_priv *priv, }; int ret; - if (!test_bit(STATUS_READY, &priv->shrd->status)) + if (!test_bit(STATUS_READY, &priv->status)) return -EBUSY; if (priv->blink_on == on && priv->blink_off == off) @@ -177,6 +178,10 @@ void iwl_leds_init(struct iwl_priv *priv) int mode = iwlagn_mod_params.led_mode; int ret; + if (mode == IWL_LED_DISABLE) { + IWL_INFO(priv, "Led disabled\n"); + return; + } if (mode == IWL_LED_DEFAULT) mode = cfg(priv)->led_mode; @@ -202,7 +207,7 @@ void iwl_leds_init(struct iwl_priv *priv) break; } - ret = led_classdev_register(bus(priv)->dev, &priv->led); + ret = led_classdev_register(trans(priv)->dev, &priv->led); if (ret) { kfree(priv->led.name); return; diff --git a/drivers/net/wireless/iwlwifi/iwl-led.h b/drivers/net/wireless/iwlwifi/iwl-led.h index 2550b3c7dcbf..b02a853103d3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-led.h +++ b/drivers/net/wireless/iwlwifi/iwl-led.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c index f980e574e1f9..b6805f8e9a01 100644 --- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c +++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -35,7 +35,6 @@ #include <linux/sched.h> #include <linux/skbuff.h> #include <linux/netdevice.h> -#include <linux/firmware.h> #include <linux/etherdevice.h> #include <linux/if_arp.h> @@ -44,15 +43,14 @@ #include <asm/div64.h> #include "iwl-eeprom.h" -#include "iwl-wifi.h" #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" #include "iwl-agn-calib.h" #include "iwl-agn.h" #include "iwl-shared.h" -#include "iwl-bus.h" #include "iwl-trans.h" +#include "iwl-op-mode.h" /***************************************************************************** * @@ -136,7 +134,7 @@ iwlagn_iface_combinations_p2p[] = { * other mac80211 functions grouped here. */ int iwlagn_mac_setup_register(struct iwl_priv *priv, - struct iwlagn_ucode_capabilities *capa) + const struct iwl_ucode_capabilities *capa) { int ret; struct ieee80211_hw *hw = priv->hw; @@ -161,11 +159,14 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv, hw->flags |= IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; - if (cfg(priv)->sku & EEPROM_SKU_CAP_11N_ENABLE) + if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE) hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | IEEE80211_HW_SUPPORTS_STATIC_SMPS; +#ifndef CONFIG_IWLWIFI_EXPERIMENTAL_MFP + /* enable 11w if the uCode advertise */ if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP) +#endif /* !CONFIG_IWLWIFI_EXPERIMENTAL_MFP */ hw->flags |= IEEE80211_HW_MFP_CAPABLE; hw->sta_data_size = sizeof(struct iwl_station_priv); @@ -195,8 +196,9 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv, WIPHY_FLAG_DISABLE_BEACON_HINTS | WIPHY_FLAG_IBSS_RSN; - if (trans(priv)->ucode_wowlan.code.len && - device_can_wakeup(bus(priv)->dev)) { + if (priv->fw->img[IWL_UCODE_WOWLAN].sec[0].len && + trans(priv)->ops->wowlan_suspend && + device_can_wakeup(trans(priv)->dev)) { hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | WIPHY_WOWLAN_EAP_IDENTITY_REQ | @@ -234,7 +236,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv, priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &priv->bands[IEEE80211_BAND_5GHZ]; - hw->wiphy->hw_version = bus_get_hw_id(bus(priv)); + hw->wiphy->hw_version = trans(priv)->hw_id; iwl_leds_init(priv); @@ -262,9 +264,9 @@ static int __iwl_up(struct iwl_priv *priv) struct iwl_rxon_context *ctx; int ret; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { IWL_WARN(priv, "Exit pending; will not bring the NIC up\n"); return -EIO; } @@ -277,13 +279,13 @@ static int __iwl_up(struct iwl_priv *priv) } } - ret = iwl_run_init_ucode(trans(priv)); + ret = iwl_run_init_ucode(priv); if (ret) { IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret); goto error; } - ret = iwl_load_ucode_wait_alive(trans(priv), IWL_UCODE_REGULAR); + ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR); if (ret) { IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); goto error; @@ -295,9 +297,9 @@ static int __iwl_up(struct iwl_priv *priv) return 0; error: - set_bit(STATUS_EXIT_PENDING, &priv->shrd->status); - __iwl_down(priv); - clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status); + set_bit(STATUS_EXIT_PENDING, &priv->status); + iwl_down(priv); + clear_bit(STATUS_EXIT_PENDING, &priv->status); IWL_ERR(priv, "Unable to initialize device.\n"); return ret; @@ -305,22 +307,22 @@ static int __iwl_up(struct iwl_priv *priv) static int iwlagn_mac_start(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); int ret; IWL_DEBUG_MAC80211(priv, "enter\n"); /* we should be verifying the device is ready to be opened */ - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); ret = __iwl_up(priv); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); if (ret) return ret; IWL_DEBUG_INFO(priv, "Start UP work done.\n"); /* Now we should be done, and the READY bit should be set. */ - if (WARN_ON(!test_bit(STATUS_READY, &priv->shrd->status))) + if (WARN_ON(!test_bit(STATUS_READY, &priv->status))) ret = -EIO; iwlagn_led_enable(priv); @@ -332,7 +334,7 @@ static int iwlagn_mac_start(struct ieee80211_hw *hw) static void iwlagn_mac_stop(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); IWL_DEBUG_MAC80211(priv, "enter\n"); @@ -341,14 +343,19 @@ static void iwlagn_mac_stop(struct ieee80211_hw *hw) priv->is_open = 0; + mutex_lock(&priv->mutex); iwl_down(priv); + mutex_unlock(&priv->mutex); + + iwl_cancel_deferred_work(priv); - flush_workqueue(priv->shrd->workqueue); + flush_workqueue(priv->workqueue); /* User space software may expect getting rfkill changes - * even if interface is down */ - iwl_write32(bus(priv), CSR_INT, 0xFFFFFFFF); - iwl_enable_rfkill_int(priv); + * even if interface is down, trans->down will leave the RF + * kill interrupt enabled + */ + iwl_trans_stop_hw(trans(priv)); IWL_DEBUG_MAC80211(priv, "leave\n"); } @@ -357,13 +364,13 @@ static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_gtk_rekey_data *data) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); if (iwlagn_mod_params.sw_crypto) return; IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif) goto out; @@ -375,7 +382,7 @@ static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, priv->have_rekey_data = true; out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); } @@ -384,7 +391,7 @@ static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw, static int iwlagn_mac_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; int ret; @@ -392,7 +399,7 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, return -EINVAL; IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); /* Don't attempt WoWLAN when not associated, tear down instead. */ if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION || @@ -401,24 +408,22 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, goto out; } - ret = iwlagn_suspend(priv, hw, wowlan); + ret = iwlagn_suspend(priv, wowlan); if (ret) goto error; - device_set_wakeup_enable(bus(priv)->dev, true); + device_set_wakeup_enable(trans(priv)->dev, true); - /* Now let the ucode operate on its own */ - iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET, - CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); + iwl_trans_wowlan_suspend(trans(priv)); goto out; error: - priv->shrd->wowlan = false; + priv->wowlan = false; iwlagn_prepare_restart(priv); ieee80211_restart_hw(priv->hw); out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return ret; @@ -426,42 +431,45 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw, static int iwlagn_mac_resume(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; struct ieee80211_vif *vif; unsigned long flags; u32 base, status = 0xffffffff; int ret = -EIO; + const struct fw_img *img; IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); - iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR, + iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); base = priv->shrd->device_pointers.error_event_table; if (iwlagn_hw_valid_rtc_data_addr(base)) { - spin_lock_irqsave(&bus(priv)->reg_lock, flags); - ret = iwl_grab_nic_access_silent(bus(priv)); - if (ret == 0) { - iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, base); - status = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT); - iwl_release_nic_access(bus(priv)); + spin_lock_irqsave(&trans(priv)->reg_lock, flags); + ret = iwl_grab_nic_access_silent(trans(priv)); + if (likely(ret == 0)) { + iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, base); + status = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); + iwl_release_nic_access(trans(priv)); } - spin_unlock_irqrestore(&bus(priv)->reg_lock, flags); + spin_unlock_irqrestore(&trans(priv)->reg_lock, flags); #ifdef CONFIG_IWLWIFI_DEBUGFS if (ret == 0) { - struct iwl_trans *trans = trans(priv); - if (!priv->wowlan_sram) + img = &(priv->fw->img[IWL_UCODE_WOWLAN]); + if (!priv->wowlan_sram) { priv->wowlan_sram = - kzalloc(trans->ucode_wowlan.data.len, + kzalloc(img->sec[IWL_UCODE_SECTION_DATA].len, GFP_KERNEL); + } if (priv->wowlan_sram) _iwl_read_targ_mem_words( - bus(priv), 0x800000, priv->wowlan_sram, - trans->ucode_wowlan.data.len / 4); + trans(priv), 0x800000, + priv->wowlan_sram, + img->sec[IWL_UCODE_SECTION_DATA].len / 4); } #endif } @@ -469,9 +477,9 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) /* we'll clear ctx->vif during iwlagn_prepare_restart() */ vif = ctx->vif; - priv->shrd->wowlan = false; + priv->wowlan = false; - device_set_wakeup_enable(bus(priv)->dev, false); + device_set_wakeup_enable(trans(priv)->dev, false); iwlagn_prepare_restart(priv); @@ -479,7 +487,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) iwl_connection_init_rx_config(priv, ctx); iwlagn_set_rxon_chain(priv, ctx); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); ieee80211_resume_disconnect(vif); @@ -491,7 +499,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len, ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); @@ -506,7 +514,7 @@ static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u32 iv32, u16 *phase1key) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key); } @@ -516,7 +524,7 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_sta *sta, struct ieee80211_key_conf *key) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; struct iwl_rxon_context *ctx = vif_priv->ctx; int ret; @@ -557,7 +565,7 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET) return 0; - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwl_scan_cancel_timeout(priv, 100); BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT); @@ -608,7 +616,7 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, ret = -EINVAL; } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return ret; @@ -620,18 +628,18 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u16 tid, u16 *ssn, u8 buf_size) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); int ret = -EINVAL; struct iwl_station_priv *sta_priv = (void *) sta->drv_priv; IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n", sta->addr, tid); - if (!(cfg(priv)->sku & EEPROM_SKU_CAP_11N_ENABLE)) + if (!(hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)) return -EACCES; IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); switch (action) { case IEEE80211_AMPDU_RX_START: @@ -643,8 +651,6 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, case IEEE80211_AMPDU_RX_STOP: IWL_DEBUG_HT(priv, "stop Rx\n"); ret = iwl_sta_rx_agg_stop(priv, sta, tid); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) - ret = 0; break; case IEEE80211_AMPDU_TX_START: if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) @@ -660,10 +666,8 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n", priv->agg_tids_count); } - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) - ret = 0; - if (!priv->agg_tids_count && cfg(priv)->ht_params && - cfg(priv)->ht_params->use_rts_for_aggregation) { + if (!priv->agg_tids_count && + hw_params(priv).use_rts_for_aggregation) { /* * switch off RTS/CTS if it was previously enabled */ @@ -677,7 +681,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, ret = iwlagn_tx_agg_oper(priv, vif, sta, tid, buf_size); break; } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return ret; } @@ -686,16 +690,13 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; bool is_ap = vif->type == NL80211_IFTYPE_STATION; - int ret = 0; + int ret; u8 sta_id; - IWL_DEBUG_MAC80211(priv, "received request to add station %pM\n", - sta->addr); - mutex_lock(&priv->shrd->mutex); IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n", sta->addr); sta_priv->sta_id = IWL_INVALID_STATION; @@ -710,17 +711,119 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, IWL_ERR(priv, "Unable to add station %pM (%d)\n", sta->addr, ret); /* Should we return success if return code is EEXIST ? */ - goto out; + return ret; } sta_priv->sta_id = sta_id; - /* Initialize rate scaling */ - IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n", - sta->addr); - iwl_rs_rate_init(priv, sta, sta_id); - out: - mutex_unlock(&priv->shrd->mutex); + return 0; +} + +static int iwlagn_mac_sta_remove(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); + struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; + int ret; + + IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n", sta->addr); + + if (vif->type == NL80211_IFTYPE_STATION) { + /* + * Station will be removed from device when the RXON + * is set to unassociated -- just deactivate it here + * to avoid re-programming it. + */ + ret = 0; + iwl_deactivate_station(priv, sta_priv->sta_id, sta->addr); + } else { + ret = iwl_remove_station(priv, sta_priv->sta_id, sta->addr); + if (ret) + IWL_DEBUG_QUIET_RFKILL(priv, + "Error removing station %pM\n", sta->addr); + } + return ret; +} + +static int iwlagn_mac_sta_state(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + enum ieee80211_sta_state old_state, + enum ieee80211_sta_state new_state) +{ + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); + struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; + enum { + NONE, ADD, REMOVE, HT_RATE_INIT, ADD_RATE_INIT, + } op = NONE; + int ret; + + IWL_DEBUG_MAC80211(priv, "station %pM state change %d->%d\n", + sta->addr, old_state, new_state); + + mutex_lock(&priv->mutex); + if (vif->type == NL80211_IFTYPE_STATION) { + if (old_state == IEEE80211_STA_NOTEXIST && + new_state == IEEE80211_STA_NONE) + op = ADD; + else if (old_state == IEEE80211_STA_NONE && + new_state == IEEE80211_STA_NOTEXIST) + op = REMOVE; + else if (old_state == IEEE80211_STA_AUTH && + new_state == IEEE80211_STA_ASSOC) + op = HT_RATE_INIT; + } else { + if (old_state == IEEE80211_STA_AUTH && + new_state == IEEE80211_STA_ASSOC) + op = ADD_RATE_INIT; + else if (old_state == IEEE80211_STA_ASSOC && + new_state == IEEE80211_STA_AUTH) + op = REMOVE; + } + + switch (op) { + case ADD: + ret = iwlagn_mac_sta_add(hw, vif, sta); + break; + case REMOVE: + ret = iwlagn_mac_sta_remove(hw, vif, sta); + break; + case ADD_RATE_INIT: + ret = iwlagn_mac_sta_add(hw, vif, sta); + if (ret) + break; + /* Initialize rate scaling */ + IWL_DEBUG_INFO(priv, + "Initializing rate scaling for station %pM\n", + sta->addr); + iwl_rs_rate_init(priv, sta, iwl_sta_id(sta)); + ret = 0; + break; + case HT_RATE_INIT: + /* Initialize rate scaling */ + ret = iwl_sta_update_ht(priv, vif_priv->ctx, sta); + if (ret) + break; + IWL_DEBUG_INFO(priv, + "Initializing rate scaling for station %pM\n", + sta->addr); + iwl_rs_rate_init(priv, sta, iwl_sta_id(sta)); + ret = 0; + break; + default: + ret = 0; + break; + } + + /* + * mac80211 might WARN if we fail, but due the way we + * (badly) handle hard rfkill, we might fail here + */ + if (iwl_is_rfkill(priv)) + ret = 0; + + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return ret; @@ -729,7 +832,7 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw, static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, struct ieee80211_channel_switch *ch_switch) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); const struct iwl_channel_info *ch_info; struct ieee80211_conf *conf = &hw->conf; struct ieee80211_channel *channel = ch_switch->channel; @@ -747,14 +850,14 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); - if (iwl_is_rfkill(priv->shrd)) + if (iwl_is_rfkill(priv)) goto out; - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) || - test_bit(STATUS_SCANNING, &priv->shrd->status) || - test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->status) || + test_bit(STATUS_SCANNING, &priv->status) || + test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) goto out; if (!iwl_is_associated_ctx(ctx)) @@ -773,8 +876,6 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, goto out; } - spin_lock_irq(&priv->shrd->lock); - priv->current_ht_config.smps = conf->smps_mode; /* Configure HT40 channels */ @@ -791,23 +892,21 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, iwl_set_rxon_ht(priv, ht_conf); iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif); - spin_unlock_irq(&priv->shrd->lock); - iwl_set_rate(priv); /* * at this point, staging_rxon has the * configuration for channel switch */ - set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); + set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); priv->switch_channel = cpu_to_le16(ch); if (cfg(priv)->lib->set_channel_switch(priv, ch_switch)) { - clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status); + clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status); priv->switch_channel = 0; ieee80211_chswitch_done(ctx->vif, false); } out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); } @@ -816,7 +915,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw, unsigned int *total_flags, u64 multicast) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); __le32 filter_or = 0, filter_nand = 0; struct iwl_rxon_context *ctx; @@ -837,7 +936,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw, #undef CHK - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); for_each_context(priv, ctx) { ctx->staging.filter_flags &= ~filter_nand; @@ -849,7 +948,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw, */ } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); /* * Receiving all multicast frames is always enabled by the @@ -863,16 +962,16 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw, static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "enter\n"); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); goto done; } - if (iwl_is_rfkill(priv->shrd)) { + if (iwl_is_rfkill(priv)) { IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); goto done; } @@ -891,7 +990,7 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop) IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); iwl_trans_wait_tx_queue_empty(trans(priv)); done: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); } @@ -900,7 +999,7 @@ static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw, enum nl80211_channel_type channel_type, int duration) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN]; int err = 0; @@ -911,9 +1010,9 @@ static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw, return -EOPNOTSUPP; IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); - if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { + if (test_bit(STATUS_SCAN_HW, &priv->status)) { err = -EBUSY; goto out; } @@ -982,7 +1081,7 @@ static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw, iwlagn_disable_roc(priv); out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return err; @@ -990,108 +1089,28 @@ static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw, static int iwlagn_mac_cancel_remain_on_channel(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN))) return -EOPNOTSUPP; IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwl_scan_cancel_timeout(priv, priv->hw_roc_duration); iwlagn_disable_roc(priv); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return 0; } -static int iwlagn_mac_tx_sync(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - const u8 *bssid, - enum ieee80211_tx_sync_type type) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; - struct iwl_rxon_context *ctx = vif_priv->ctx; - int ret; - u8 sta_id; - - if (ctx->ctxid != IWL_RXON_CTX_PAN) - return 0; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); - - if (iwl_is_associated_ctx(ctx)) { - ret = 0; - goto out; - } - - if (ctx->preauth_bssid || test_bit(STATUS_SCAN_HW, - &priv->shrd->status)) { - ret = -EBUSY; - goto out; - } - - ret = iwl_add_station_common(priv, ctx, bssid, true, NULL, &sta_id); - if (ret) - goto out; - - if (WARN_ON(sta_id != ctx->ap_sta_id)) { - ret = -EIO; - goto out_remove_sta; - } - - memcpy(ctx->bssid, bssid, ETH_ALEN); - ctx->preauth_bssid = true; - - ret = iwlagn_commit_rxon(priv, ctx); - - if (ret == 0) - goto out; - - out_remove_sta: - iwl_remove_station(priv, sta_id, bssid); - out: - mutex_unlock(&priv->shrd->mutex); - IWL_DEBUG_MAC80211(priv, "leave\n"); - - return ret; -} - -static void iwlagn_mac_finish_tx_sync(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - const u8 *bssid, - enum ieee80211_tx_sync_type type) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; - struct iwl_rxon_context *ctx = vif_priv->ctx; - - if (ctx->ctxid != IWL_RXON_CTX_PAN) - return; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); - - if (iwl_is_associated_ctx(ctx)) - goto out; - - iwl_remove_station(priv, ctx->ap_sta_id, bssid); - ctx->preauth_bssid = false; - /* no need to commit */ - out: - mutex_unlock(&priv->shrd->mutex); - IWL_DEBUG_MAC80211(priv, "leave\n"); -} - static void iwlagn_mac_rssi_callback(struct ieee80211_hw *hw, enum ieee80211_rssi_event rssi_event) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); if (cfg(priv)->bt_params && cfg(priv)->bt_params->advanced_bt_coexist) { @@ -1106,16 +1125,16 @@ static void iwlagn_mac_rssi_callback(struct ieee80211_hw *hw, "ignoring RSSI callback\n"); } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); } static int iwlagn_mac_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); - queue_work(priv->shrd->workqueue, &priv->beacon_update); + queue_work(priv->workqueue, &priv->beacon_update); return 0; } @@ -1124,10 +1143,9 @@ static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, const struct ieee80211_tx_queue_params *params) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; struct iwl_rxon_context *ctx = vif_priv->ctx; - unsigned long flags; int q; if (WARN_ON(!ctx)) @@ -1135,7 +1153,7 @@ static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw, IWL_DEBUG_MAC80211(priv, "enter\n"); - if (!iwl_is_ready_rf(priv->shrd)) { + if (!iwl_is_ready_rf(priv)) { IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); return -EIO; } @@ -1147,7 +1165,7 @@ static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw, q = AC_NUM - 1 - queue; - spin_lock_irqsave(&priv->shrd->lock, flags); + mutex_lock(&priv->mutex); ctx->qos_data.def_qos_parm.ac[q].cw_min = cpu_to_le16(params->cw_min); @@ -1159,7 +1177,7 @@ static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw, ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0; - spin_unlock_irqrestore(&priv->shrd->lock, flags); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return 0; @@ -1167,7 +1185,7 @@ static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw, static int iwlagn_mac_tx_last_beacon(struct ieee80211_hw *hw) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); return priv->ibss_manager == IWL_IBSS_MANAGER; } @@ -1187,7 +1205,7 @@ static int iwl_setup_interface(struct iwl_priv *priv, struct ieee80211_vif *vif = ctx->vif; int err; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); /* * This variable will be correct only when there's just @@ -1221,7 +1239,7 @@ static int iwl_setup_interface(struct iwl_priv *priv, static int iwlagn_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; struct iwl_rxon_context *tmp, *ctx = NULL; int err; @@ -1232,11 +1250,11 @@ static int iwlagn_mac_add_interface(struct ieee80211_hw *hw, cancel_delayed_work_sync(&priv->hw_roc_disable_work); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwlagn_disable_roc(priv); - if (!iwl_is_ready_rf(priv->shrd)) { + if (!iwl_is_ready_rf(priv)) { IWL_WARN(priv, "Try to add interface when device not ready\n"); err = -EINVAL; goto out; @@ -1279,7 +1297,7 @@ static int iwlagn_mac_add_interface(struct ieee80211_hw *hw, ctx->vif = NULL; priv->iw_mode = NL80211_IFTYPE_STATION; out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return err; @@ -1291,7 +1309,7 @@ static void iwl_teardown_interface(struct iwl_priv *priv, { struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); if (priv->scan_vif == vif) { iwl_scan_cancel_timeout(priv, 200); @@ -1318,12 +1336,12 @@ static void iwl_teardown_interface(struct iwl_priv *priv, static void iwlagn_mac_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); IWL_DEBUG_MAC80211(priv, "enter\n"); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); if (WARN_ON(ctx->vif != vif)) { struct iwl_rxon_context *tmp; @@ -1336,7 +1354,7 @@ static void iwlagn_mac_remove_interface(struct ieee80211_hw *hw, iwl_teardown_interface(priv, vif, false); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); @@ -1346,7 +1364,7 @@ static int iwlagn_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum nl80211_iftype newtype, bool newp2p) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); struct iwl_rxon_context *bss_ctx = &priv->contexts[IWL_RXON_CTX_BSS]; struct iwl_rxon_context *tmp; @@ -1358,9 +1376,9 @@ static int iwlagn_mac_change_interface(struct ieee80211_hw *hw, newtype = ieee80211_iftype_p2p(newtype, newp2p); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); - if (!ctx->vif || !iwl_is_ready_rf(priv->shrd)) { + if (!ctx->vif || !iwl_is_ready_rf(priv)) { /* * Huh? But wait ... this can maybe happen when * we're in the middle of a firmware restart! @@ -1422,7 +1440,7 @@ static int iwlagn_mac_change_interface(struct ieee80211_hw *hw, err = 0; out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return err; @@ -1432,7 +1450,7 @@ static int iwlagn_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_scan_request *req) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); int ret; IWL_DEBUG_MAC80211(priv, "enter\n"); @@ -1440,7 +1458,7 @@ static int iwlagn_mac_hw_scan(struct ieee80211_hw *hw, if (req->n_channels == 0) return -EINVAL; - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); /* * If an internal scan is in progress, just set @@ -1469,47 +1487,20 @@ static int iwlagn_mac_hw_scan(struct ieee80211_hw *hw, IWL_DEBUG_MAC80211(priv, "leave\n"); - mutex_unlock(&priv->shrd->mutex); - - return ret; -} - -static int iwlagn_mac_sta_remove(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; - int ret; - - IWL_DEBUG_MAC80211(priv, "enter: received request to remove " - "station %pM\n", sta->addr); - mutex_lock(&priv->shrd->mutex); - IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n", - sta->addr); - ret = iwl_remove_station(priv, sta_priv->sta_id, sta->addr); - if (ret) - IWL_DEBUG_QUIET_RFKILL(priv, "Error removing station %pM\n", - sta->addr); - mutex_unlock(&priv->shrd->mutex); - IWL_DEBUG_MAC80211(priv, "leave\n"); + mutex_unlock(&priv->mutex); return ret; } static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id) { - unsigned long flags; - - spin_lock_irqsave(&priv->shrd->sta_lock, flags); - priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK; - priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK; - priv->stations[sta_id].sta.sta.modify_mask = 0; - priv->stations[sta_id].sta.sleep_tx_count = 0; - priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; - iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); - spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); + struct iwl_addsta_cmd cmd = { + .mode = STA_CONTROL_MODIFY_MSK, + .station_flags_msk = STA_FLG_PWR_SAVE_MSK, + .sta.sta_id = sta_id, + }; + iwl_send_add_sta(priv, &cmd, CMD_ASYNC); } static void iwlagn_mac_sta_notify(struct ieee80211_hw *hw, @@ -1517,7 +1508,7 @@ static void iwlagn_mac_sta_notify(struct ieee80211_hw *hw, enum sta_notify_cmd cmd, struct ieee80211_sta *sta) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; int sta_id; @@ -1566,8 +1557,7 @@ struct ieee80211_ops iwlagn_hw_ops = { .ampdu_action = iwlagn_mac_ampdu_action, .hw_scan = iwlagn_mac_hw_scan, .sta_notify = iwlagn_mac_sta_notify, - .sta_add = iwlagn_mac_sta_add, - .sta_remove = iwlagn_mac_sta_remove, + .sta_state = iwlagn_mac_sta_state, .channel_switch = iwlagn_mac_channel_switch, .flush = iwlagn_mac_flush, .tx_last_beacon = iwlagn_mac_tx_last_beacon, @@ -1576,8 +1566,6 @@ struct ieee80211_ops iwlagn_hw_ops = { .rssi_callback = iwlagn_mac_rssi_callback, CFG80211_TESTMODE_CMD(iwlagn_mac_testmode_cmd) CFG80211_TESTMODE_DUMP(iwlagn_mac_testmode_dump) - .tx_sync = iwlagn_mac_tx_sync, - .finish_tx_sync = iwlagn_mac_finish_tx_sync, .set_tim = iwlagn_mac_set_tim, }; @@ -1585,15 +1573,18 @@ struct ieee80211_ops iwlagn_hw_ops = { struct ieee80211_hw *iwl_alloc_all(void) { struct iwl_priv *priv; + struct iwl_op_mode *op_mode; /* mac80211 allocates memory for this device instance, including * space for this driver's private structure */ struct ieee80211_hw *hw; - hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops); + hw = ieee80211_alloc_hw(sizeof(struct iwl_priv) + + sizeof(struct iwl_op_mode), &iwlagn_hw_ops); if (!hw) goto out; - priv = hw->priv; + op_mode = hw->priv; + priv = IWL_OP_MODE_GET_DVM(op_mode); priv->hw = hw; out: diff --git a/drivers/net/wireless/iwlwifi/iwl-notif-wait.c b/drivers/net/wireless/iwlwifi/iwl-notif-wait.c new file mode 100644 index 000000000000..88dc4a0f96b4 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-notif-wait.c @@ -0,0 +1,157 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include <linux/sched.h> + +#include "iwl-notif-wait.h" + + +void iwl_notification_wait_init(struct iwl_notif_wait_data *notif_wait) +{ + spin_lock_init(¬if_wait->notif_wait_lock); + INIT_LIST_HEAD(¬if_wait->notif_waits); + init_waitqueue_head(¬if_wait->notif_waitq); +} + +void iwl_notification_wait_notify(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt) +{ + if (!list_empty(¬if_wait->notif_waits)) { + struct iwl_notification_wait *w; + + spin_lock(¬if_wait->notif_wait_lock); + list_for_each_entry(w, ¬if_wait->notif_waits, list) { + if (w->cmd != pkt->hdr.cmd) + continue; + w->triggered = true; + if (w->fn) + w->fn(notif_wait, pkt, w->fn_data); + } + spin_unlock(¬if_wait->notif_wait_lock); + + wake_up_all(¬if_wait->notif_waitq); + } +} + +void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_wait) +{ + unsigned long flags; + struct iwl_notification_wait *wait_entry; + + spin_lock_irqsave(¬if_wait->notif_wait_lock, flags); + list_for_each_entry(wait_entry, ¬if_wait->notif_waits, list) + wait_entry->aborted = true; + spin_unlock_irqrestore(¬if_wait->notif_wait_lock, flags); + + wake_up_all(¬if_wait->notif_waitq); +} + + +void +iwl_init_notification_wait(struct iwl_notif_wait_data *notif_wait, + struct iwl_notification_wait *wait_entry, + u8 cmd, + void (*fn)(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data), + void *fn_data) +{ + wait_entry->fn = fn; + wait_entry->fn_data = fn_data; + wait_entry->cmd = cmd; + wait_entry->triggered = false; + wait_entry->aborted = false; + + spin_lock_bh(¬if_wait->notif_wait_lock); + list_add(&wait_entry->list, ¬if_wait->notif_waits); + spin_unlock_bh(¬if_wait->notif_wait_lock); +} + +int iwl_wait_notification(struct iwl_notif_wait_data *notif_wait, + struct iwl_notification_wait *wait_entry, + unsigned long timeout) +{ + int ret; + + ret = wait_event_timeout(notif_wait->notif_waitq, + wait_entry->triggered || wait_entry->aborted, + timeout); + + spin_lock_bh(¬if_wait->notif_wait_lock); + list_del(&wait_entry->list); + spin_unlock_bh(¬if_wait->notif_wait_lock); + + if (wait_entry->aborted) + return -EIO; + + /* return value is always >= 0 */ + if (ret <= 0) + return -ETIMEDOUT; + return 0; +} + +void iwl_remove_notification(struct iwl_notif_wait_data *notif_wait, + struct iwl_notification_wait *wait_entry) +{ + spin_lock_bh(¬if_wait->notif_wait_lock); + list_del(&wait_entry->list); + spin_unlock_bh(¬if_wait->notif_wait_lock); +} diff --git a/drivers/net/wireless/iwlwifi/iwl-wifi.h b/drivers/net/wireless/iwlwifi/iwl-notif-wait.h index 18501101a530..5e8af957aa7b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-wifi.h +++ b/drivers/net/wireless/iwlwifi/iwl-notif-wait.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -41,7 +41,6 @@ * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the * distribution. * * Neither the name Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived @@ -58,17 +57,73 @@ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * *****************************************************************************/ +#ifndef __iwl_notif_wait_h__ +#define __iwl_notif_wait_h__ + +#include <linux/wait.h> + +#include "iwl-trans.h" + +struct iwl_notif_wait_data { + struct list_head notif_waits; + spinlock_t notif_wait_lock; + wait_queue_head_t notif_waitq; +}; + +/** + * struct iwl_notification_wait - notification wait entry + * @list: list head for global list + * @fn: function called with the notification + * @cmd: command ID + * + * This structure is not used directly, to wait for a + * notification declare it on the stack, and call + * iwlagn_init_notification_wait() with appropriate + * parameters. Then do whatever will cause the ucode + * to notify the driver, and to wait for that then + * call iwlagn_wait_notification(). + * + * Each notification is one-shot. If at some point we + * need to support multi-shot notifications (which + * can't be allocated on the stack) we need to modify + * the code for them. + */ +struct iwl_notification_wait { + struct list_head list; + + void (*fn)(struct iwl_notif_wait_data *notif_data, + struct iwl_rx_packet *pkt, void *data); + void *fn_data; + + u8 cmd; + bool triggered, aborted; +}; + + +/* caller functions */ +void iwl_notification_wait_init(struct iwl_notif_wait_data *notif_data); +void iwl_notification_wait_notify(struct iwl_notif_wait_data *notif_data, + struct iwl_rx_packet *pkt); +void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_data); + +/* user functions */ +void __acquires(wait_entry) +iwl_init_notification_wait(struct iwl_notif_wait_data *notif_data, + struct iwl_notification_wait *wait_entry, + u8 cmd, + void (*fn)(struct iwl_notif_wait_data *notif_data, + struct iwl_rx_packet *pkt, void *data), + void *fn_data); -#ifndef __iwl_wifi_h__ -#define __iwl_wifi_h__ +int __must_check __releases(wait_entry) +iwl_wait_notification(struct iwl_notif_wait_data *notif_data, + struct iwl_notification_wait *wait_entry, + unsigned long timeout); -#include "iwl-shared.h" +void __releases(wait_entry) +iwl_remove_notification(struct iwl_notif_wait_data *notif_data, + struct iwl_notification_wait *wait_entry); -int iwl_send_bt_env(struct iwl_trans *trans, u8 action, u8 type); -void iwl_send_prio_tbl(struct iwl_trans *trans); -int iwl_init_alive_start(struct iwl_trans *trans); -int iwl_run_init_ucode(struct iwl_trans *trans); -int iwl_load_ucode_wait_alive(struct iwl_trans *trans, - enum iwl_ucode_type ucode_type); -#endif /* __iwl_wifi_h__ */ +#endif /* __iwl_notif_wait_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/iwlwifi/iwl-op-mode.h new file mode 100644 index 000000000000..6ea4163ff56a --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-op-mode.h @@ -0,0 +1,216 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#ifndef __iwl_op_mode_h__ +#define __iwl_op_mode_h__ + +struct iwl_op_mode; +struct iwl_trans; +struct sk_buff; +struct iwl_device_cmd; +struct iwl_rx_cmd_buffer; +struct iwl_fw; + +/** + * DOC: Operational mode - what is it ? + * + * The operational mode (a.k.a. op_mode) is the layer that implements + * mac80211's handlers. It knows two APIs: mac80211's and the fw's. It uses + * the transport API to access the HW. The op_mode doesn't need to know how the + * underlying HW works, since the transport layer takes care of that. + * + * There can be several op_mode: i.e. different fw APIs will require two + * different op_modes. This is why the op_mode is virtualized. + */ + +/** + * DOC: Life cycle of the Operational mode + * + * The operational mode has a very simple life cycle. + * + * 1) The driver layer (iwl-drv.c) chooses the op_mode based on the + * capabilities advertized by the fw file (in TLV format). + * 2) The driver layer starts the op_mode (ops->start) + * 3) The op_mode registers registers mac80211 + * 4) The op_mode is governed by mac80211 + * 5) The driver layer stops the op_mode + */ + +/** + * struct iwl_op_mode_ops - op_mode specific operations + * + * The op_mode exports its ops so that external components can start it and + * interact with it. The driver layer typically calls the start and stop + * handlers, the transport layer calls the others. + * + * All the handlers MUST be implemented + * + * @start: start the op_mode. The transport layer is already allocated. + * May sleep + * @stop: stop the op_mode. Must free all the memory allocated. + * May sleep + * @rx: Rx notification to the op_mode. rxb is the Rx buffer itself. Cmd is the + * HCMD the this Rx responds to. + * Must be atomic. + * @queue_full: notifies that a HW queue is full. Ac is the ac of the queue + * Must be atomic + * @queue_not_full: notifies that a HW queue is not full any more. + * Ac is the ac of the queue. Must be atomic + * @hw_rf_kill:notifies of a change in the HW rf kill switch. True means that + * the radio is killed. Must be atomic. + * @free_skb: allows the transport layer to free skbs that haven't been + * reclaimed by the op_mode. This can happen when the driver is freed and + * there are Tx packets pending in the transport layer. + * Must be atomic + * @nic_error: error notification. Must be atomic + * @cmd_queue_full: Called when the command queue gets full. Must be atomic. + * @nic_config: configure NIC, called before firmware is started. + * May sleep + */ +struct iwl_op_mode_ops { + struct iwl_op_mode *(*start)(struct iwl_trans *trans, + const struct iwl_fw *fw); + void (*stop)(struct iwl_op_mode *op_mode); + int (*rx)(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); + void (*queue_full)(struct iwl_op_mode *op_mode, u8 ac); + void (*queue_not_full)(struct iwl_op_mode *op_mode, u8 ac); + void (*hw_rf_kill)(struct iwl_op_mode *op_mode, bool state); + void (*free_skb)(struct iwl_op_mode *op_mode, struct sk_buff *skb); + void (*nic_error)(struct iwl_op_mode *op_mode); + void (*cmd_queue_full)(struct iwl_op_mode *op_mode); + void (*nic_config)(struct iwl_op_mode *op_mode); +}; + +/** + * struct iwl_op_mode - operational mode + * + * This holds an implementation of the mac80211 / fw API. + * + * @ops - pointer to its own ops + */ +struct iwl_op_mode { + const struct iwl_op_mode_ops *ops; + const struct iwl_trans *trans; + + char op_mode_specific[0] __aligned(sizeof(void *)); +}; + +static inline void iwl_op_mode_stop(struct iwl_op_mode *op_mode) +{ + might_sleep(); + + op_mode->ops->stop(op_mode); +} + +static inline int iwl_op_mode_rx(struct iwl_op_mode *op_mode, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) +{ + return op_mode->ops->rx(op_mode, rxb, cmd); +} + +static inline void iwl_op_mode_queue_full(struct iwl_op_mode *op_mode, u8 ac) +{ + op_mode->ops->queue_full(op_mode, ac); +} + +static inline void iwl_op_mode_queue_not_full(struct iwl_op_mode *op_mode, + u8 ac) +{ + op_mode->ops->queue_not_full(op_mode, ac); +} + +static inline void iwl_op_mode_hw_rf_kill(struct iwl_op_mode *op_mode, + bool state) +{ + op_mode->ops->hw_rf_kill(op_mode, state); +} + +static inline void iwl_op_mode_free_skb(struct iwl_op_mode *op_mode, + struct sk_buff *skb) +{ + op_mode->ops->free_skb(op_mode, skb); +} + +static inline void iwl_op_mode_nic_error(struct iwl_op_mode *op_mode) +{ + op_mode->ops->nic_error(op_mode); +} + +static inline void iwl_op_mode_cmd_queue_full(struct iwl_op_mode *op_mode) +{ + op_mode->ops->cmd_queue_full(op_mode); +} + +static inline void iwl_op_mode_nic_config(struct iwl_op_mode *op_mode) +{ + might_sleep(); + op_mode->ops->nic_config(op_mode); +} + +/***************************************************** +* Op mode layers implementations +******************************************************/ +extern const struct iwl_op_mode_ops iwl_dvm_ops; + +#endif /* __iwl_op_mode_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-pci.c b/drivers/net/wireless/iwlwifi/iwl-pci.c index fb30ea7ca96b..c5e339ee918b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-pci.c +++ b/drivers/net/wireless/iwlwifi/iwl-pci.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -64,118 +64,13 @@ #include <linux/pci.h> #include <linux/pci-aspm.h> -#include "iwl-bus.h" #include "iwl-io.h" #include "iwl-shared.h" #include "iwl-trans.h" #include "iwl-csr.h" #include "iwl-cfg.h" - -/* PCI registers */ -#define PCI_CFG_RETRY_TIMEOUT 0x041 -#define PCI_CFG_LINK_CTRL_VAL_L0S_EN 0x01 -#define PCI_CFG_LINK_CTRL_VAL_L1_EN 0x02 - -struct iwl_pci_bus { - /* basic pci-network driver stuff */ - struct pci_dev *pci_dev; - - /* pci hardware address support */ - void __iomem *hw_base; -}; - -#define IWL_BUS_GET_PCI_BUS(_iwl_bus) \ - ((struct iwl_pci_bus *) ((_iwl_bus)->bus_specific)) - -#define IWL_BUS_GET_PCI_DEV(_iwl_bus) \ - ((IWL_BUS_GET_PCI_BUS(_iwl_bus))->pci_dev) - -static u16 iwl_pciexp_link_ctrl(struct iwl_bus *bus) -{ - int pos; - u16 pci_lnk_ctl; - - struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus); - - pos = pci_pcie_cap(pci_dev); - pci_read_config_word(pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl); - return pci_lnk_ctl; -} - -static bool iwl_pci_is_pm_supported(struct iwl_bus *bus) -{ - u16 lctl = iwl_pciexp_link_ctrl(bus); - - return !(lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN); -} - -static void iwl_pci_apm_config(struct iwl_bus *bus) -{ - /* - * HW bug W/A for instability in PCIe bus L0S->L1 transition. - * Check if BIOS (or OS) enabled L1-ASPM on this device. - * If so (likely), disable L0S, so device moves directly L0->L1; - * costs negligible amount of power savings. - * If not (unlikely), enable L0S, so there is at least some - * power savings, even without L1. - */ - u16 lctl = iwl_pciexp_link_ctrl(bus); - - if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == - PCI_CFG_LINK_CTRL_VAL_L1_EN) { - /* L1-ASPM enabled; disable(!) L0S */ - iwl_set_bit(bus, CSR_GIO_REG, - CSR_GIO_REG_VAL_L0S_ENABLED); - dev_printk(KERN_INFO, bus->dev, "L1 Enabled; Disabling L0S\n"); - } else { - /* L1-ASPM disabled; enable(!) L0S */ - iwl_clear_bit(bus, CSR_GIO_REG, - CSR_GIO_REG_VAL_L0S_ENABLED); - dev_printk(KERN_INFO, bus->dev, "L1 Disabled; Enabling L0S\n"); - } -} - -static void iwl_pci_get_hw_id_string(struct iwl_bus *bus, char buf[], - int buf_len) -{ - struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus); - - snprintf(buf, buf_len, "PCI ID: 0x%04X:0x%04X", pci_dev->device, - pci_dev->subsystem_device); -} - -static u32 iwl_pci_get_hw_id(struct iwl_bus *bus) -{ - struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus); - - return (pci_dev->device << 16) + pci_dev->subsystem_device; -} - -static void iwl_pci_write8(struct iwl_bus *bus, u32 ofs, u8 val) -{ - iowrite8(val, IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs); -} - -static void iwl_pci_write32(struct iwl_bus *bus, u32 ofs, u32 val) -{ - iowrite32(val, IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs); -} - -static u32 iwl_pci_read32(struct iwl_bus *bus, u32 ofs) -{ - u32 val = ioread32(IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs); - return val; -} - -static const struct iwl_bus_ops bus_ops_pci = { - .get_pm_support = iwl_pci_is_pm_supported, - .apm_config = iwl_pci_apm_config, - .get_hw_id_string = iwl_pci_get_hw_id_string, - .get_hw_id = iwl_pci_get_hw_id, - .write8 = iwl_pci_write8, - .write32 = iwl_pci_write32, - .read32 = iwl_pci_read32, -}; +#include "iwl-drv.h" +#include "iwl-trans.h" #define IWL_PCI_DEVICE(dev, subdev, cfg) \ .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \ @@ -263,9 +158,9 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)}, {IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)}, {IWL_PCI_DEVICE(0x0085, 0xC220, iwl6005_2agn_sff_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1341, iwl6005_2agn_d_cfg)}, - {IWL_PCI_DEVICE(0x0082, 0x1304, iwl6005_2agn_cfg)},/* low 5GHz active */ - {IWL_PCI_DEVICE(0x0082, 0x1305, iwl6005_2agn_cfg)},/* high 5GHz active */ + {IWL_PCI_DEVICE(0x0082, 0x4820, iwl6005_2agn_d_cfg)}, + {IWL_PCI_DEVICE(0x0082, 0x1304, iwl6005_2agn_mow1_cfg)},/* low 5GHz active */ + {IWL_PCI_DEVICE(0x0082, 0x1305, iwl6005_2agn_mow2_cfg)},/* high 5GHz active */ /* 6x30 Series */ {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)}, @@ -346,6 +241,7 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)}, {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)}, {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)}, + {IWL_PCI_DEVICE(0x088E, 0x4860, iwl6035_2agn_cfg)}, /* 105 Series */ {IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)}, @@ -362,132 +258,62 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { }; MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids); +/* PCI registers */ +#define PCI_CFG_RETRY_TIMEOUT 0x041 + static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { - struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data); - struct iwl_bus *bus; - struct iwl_pci_bus *pci_bus; - u16 pci_cmd; + const struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data); + struct iwl_shared *shrd; + struct iwl_trans *iwl_trans; int err; - bus = kzalloc(sizeof(*bus) + sizeof(*pci_bus), GFP_KERNEL); - if (!bus) { + shrd = kzalloc(sizeof(*iwl_trans->shrd), GFP_KERNEL); + if (!shrd) { dev_printk(KERN_ERR, &pdev->dev, - "Couldn't allocate iwl_pci_bus"); + "Couldn't allocate iwl_shared"); err = -ENOMEM; - goto out_no_pci; + goto out_free_bus; } - pci_bus = IWL_BUS_GET_PCI_BUS(bus); - pci_bus->pci_dev = pdev; - - pci_set_drvdata(pdev, bus); - - /* W/A - seems to solve weird behavior. We need to remove this if we - * don't want to stay in L1 all the time. This wastes a lot of power */ - pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | - PCIE_LINK_STATE_CLKPM); - - if (pci_enable_device(pdev)) { - err = -ENODEV; - goto out_no_pci; - } - - pci_set_master(pdev); - - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36)); - if (!err) - err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36)); - if (err) { - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (!err) - err = pci_set_consistent_dma_mask(pdev, - DMA_BIT_MASK(32)); - /* both attempts failed: */ - if (err) { - dev_printk(KERN_ERR, bus->dev, - "No suitable DMA available.\n"); - goto out_pci_disable_device; - } - } - - err = pci_request_regions(pdev, DRV_NAME); - if (err) { - dev_printk(KERN_ERR, bus->dev, "pci_request_regions failed"); - goto out_pci_disable_device; - } - - pci_bus->hw_base = pci_iomap(pdev, 0, 0); - if (!pci_bus->hw_base) { - dev_printk(KERN_ERR, bus->dev, "pci_iomap failed"); - err = -ENODEV; - goto out_pci_release_regions; +#ifdef CONFIG_IWLWIFI_IDI + iwl_trans = iwl_trans_idi_alloc(shrd, pdev, ent); +#else + iwl_trans = iwl_trans_pcie_alloc(shrd, pdev, ent); +#endif + if (iwl_trans == NULL) { + err = -ENOMEM; + goto out_free_bus; } - dev_printk(KERN_INFO, &pdev->dev, - "pci_resource_len = 0x%08llx\n", - (unsigned long long) pci_resource_len(pdev, 0)); - dev_printk(KERN_INFO, &pdev->dev, - "pci_resource_base = %p\n", pci_bus->hw_base); + shrd->trans = iwl_trans; + pci_set_drvdata(pdev, iwl_trans); - dev_printk(KERN_INFO, &pdev->dev, - "HW Revision ID = 0x%X\n", pdev->revision); - - /* We disable the RETRY_TIMEOUT register (0x41) to keep - * PCI Tx retries from interfering with C3 CPU state */ - pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); - - err = pci_enable_msi(pdev); + err = iwl_drv_start(shrd, iwl_trans, cfg); if (err) - dev_printk(KERN_ERR, &pdev->dev, - "pci_enable_msi failed(0X%x)", err); - - /* TODO: Move this away, not needed if not MSI */ - /* enable rfkill interrupt: hw bug w/a */ - pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); - if (pci_cmd & PCI_COMMAND_INTX_DISABLE) { - pci_cmd &= ~PCI_COMMAND_INTX_DISABLE; - pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); - } - - bus->dev = &pdev->dev; - bus->irq = pdev->irq; - bus->ops = &bus_ops_pci; + goto out_free_trans; - err = iwl_probe(bus, &trans_ops_pcie, cfg); - if (err) - goto out_disable_msi; return 0; -out_disable_msi: - pci_disable_msi(pdev); - pci_iounmap(pdev, pci_bus->hw_base); -out_pci_release_regions: +out_free_trans: + iwl_trans_free(iwl_trans); pci_set_drvdata(pdev, NULL); - pci_release_regions(pdev); -out_pci_disable_device: - pci_disable_device(pdev); -out_no_pci: - kfree(bus); +out_free_bus: + kfree(shrd); return err; } static void __devexit iwl_pci_remove(struct pci_dev *pdev) { - struct iwl_bus *bus = pci_get_drvdata(pdev); - struct iwl_pci_bus *pci_bus = IWL_BUS_GET_PCI_BUS(bus); - struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus); - struct iwl_shared *shrd = bus->shrd; + struct iwl_trans *iwl_trans = pci_get_drvdata(pdev); + struct iwl_shared *shrd = iwl_trans->shrd; - iwl_remove(shrd->priv); + iwl_drv_stop(shrd); + iwl_trans_free(shrd->trans); - pci_disable_msi(pci_dev); - pci_iounmap(pci_dev, pci_bus->hw_base); - pci_release_regions(pci_dev); - pci_disable_device(pci_dev); - pci_set_drvdata(pci_dev, NULL); + pci_set_drvdata(pdev, NULL); - kfree(bus); + kfree(shrd); } #ifdef CONFIG_PM_SLEEP @@ -495,22 +321,20 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev) static int iwl_pci_suspend(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); - struct iwl_bus *bus = pci_get_drvdata(pdev); - struct iwl_shared *shrd = bus->shrd; + struct iwl_trans *iwl_trans = pci_get_drvdata(pdev); /* Before you put code here, think about WoWLAN. You cannot check here * whether WoWLAN is enabled or not, and your code will run even if * WoWLAN is enabled - don't kill the NIC, someone may need it in Sx. */ - return iwl_trans_suspend(shrd->trans); + return iwl_trans_suspend(iwl_trans); } static int iwl_pci_resume(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); - struct iwl_bus *bus = pci_get_drvdata(pdev); - struct iwl_shared *shrd = bus->shrd; + struct iwl_trans *iwl_trans = pci_get_drvdata(pdev); /* Before you put code here, think about WoWLAN. You cannot check here * whether WoWLAN is enabled or not, and your code will run even if @@ -523,7 +347,7 @@ static int iwl_pci_resume(struct device *device) */ pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); - return iwl_trans_resume(shrd->trans); + return iwl_trans_resume(iwl_trans); } static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume); diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index 2b188a6025b3..958d9d09aee3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -215,7 +215,7 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv, else cmd->flags &= ~IWL_POWER_SLEEP_OVER_DTIM_MSK; - if (hw_params(priv).shadow_reg_enable) + if (cfg(priv)->base_params->shadow_reg_enable) cmd->flags |= IWL_POWER_SHADOW_REG_ENA; else cmd->flags &= ~IWL_POWER_SHADOW_REG_ENA; @@ -301,7 +301,7 @@ static void iwl_power_fill_sleep_cmd(struct iwl_priv *priv, if (priv->power_data.bus_pm) cmd->flags |= IWL_POWER_PCI_PM_MSK; - if (hw_params(priv).shadow_reg_enable) + if (cfg(priv)->base_params->shadow_reg_enable) cmd->flags |= IWL_POWER_SHADOW_REG_ENA; else cmd->flags &= ~IWL_POWER_SHADOW_REG_ENA; @@ -336,7 +336,7 @@ static int iwl_set_power(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd) le32_to_cpu(cmd->sleep_interval[3]), le32_to_cpu(cmd->sleep_interval[4])); - return iwl_trans_send_cmd_pdu(trans(priv), POWER_TABLE_CMD, CMD_SYNC, + return iwl_dvm_send_cmd_pdu(priv, POWER_TABLE_CMD, CMD_SYNC, sizeof(struct iwl_powertable_cmd), cmd); } @@ -348,7 +348,7 @@ static void iwl_power_build_cmd(struct iwl_priv *priv, dtimper = priv->hw->conf.ps_dtim_period ?: 1; - if (priv->shrd->wowlan) + if (priv->wowlan) iwl_static_sleep_cmd(priv, cmd, IWL_POWER_INDEX_5, dtimper); else if (!cfg(priv)->base_params->no_idle_support && priv->hw->conf.flags & IEEE80211_CONF_IDLE) @@ -383,7 +383,7 @@ int iwl_power_set_mode(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd, int ret; bool update_chains; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); /* Don't update the RX chain when chain noise calibration is running */ update_chains = priv->chain_noise_data.state == IWL_CHAIN_NOISE_DONE || @@ -392,12 +392,12 @@ int iwl_power_set_mode(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd, if (!memcmp(&priv->power_data.sleep_cmd, cmd, sizeof(*cmd)) && !force) return 0; - if (!iwl_is_ready_rf(priv->shrd)) + if (!iwl_is_ready_rf(priv)) return -EIO; /* scan complete use sleep_power_next, need to be updated */ memcpy(&priv->power_data.sleep_cmd_next, cmd, sizeof(*cmd)); - if (test_bit(STATUS_SCANNING, &priv->shrd->status) && !force) { + if (test_bit(STATUS_SCANNING, &priv->status) && !force) { IWL_DEBUG_INFO(priv, "Defer power set mode while scanning\n"); return 0; } @@ -436,7 +436,7 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) /* initialize to default */ void iwl_power_initialize(struct iwl_priv *priv) { - priv->power_data.bus_pm = bus_get_pm_support(bus(priv)); + priv->power_data.bus_pm = trans(priv)->pm_support; priv->power_data.debug_sleep_level_override = -1; diff --git a/drivers/net/wireless/iwlwifi/iwl-power.h b/drivers/net/wireless/iwlwifi/iwl-power.h index 5f7b720cf1a4..07a19fce5fdc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.h +++ b/drivers/net/wireless/iwlwifi/iwl-power.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index bebdd828f324..75dc20bd965b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -216,10 +216,6 @@ #define SCD_TRANS_TBL_OFFSET_QUEUE(x) \ ((SCD_TRANS_TBL_MEM_LOWER_BOUND + ((x) * 2)) & 0xfffc) -#define SCD_QUEUECHAIN_SEL_ALL(priv) \ - (((1<<hw_params(priv).max_txq_num) - 1) &\ - (~(1<<(priv)->shrd->cmd_queue))) - #define SCD_BASE (PRPH_BASE + 0xa02c00) #define SCD_SRAM_BASE_ADDR (SCD_BASE + 0x0) diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index a6454726737e..902efe4bc898 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -57,39 +57,39 @@ static int iwl_send_scan_abort(struct iwl_priv *priv) { int ret; - struct iwl_rx_packet *pkt; struct iwl_host_cmd cmd = { .id = REPLY_SCAN_ABORT_CMD, .flags = CMD_SYNC | CMD_WANT_SKB, }; + __le32 *status; /* Exit instantly with error when device is not ready * to receive scan abort command or it does not perform * hardware scan currently */ - if (!test_bit(STATUS_READY, &priv->shrd->status) || - !test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) || - !test_bit(STATUS_SCAN_HW, &priv->shrd->status) || - test_bit(STATUS_FW_ERROR, &priv->shrd->status) || - test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + if (!test_bit(STATUS_READY, &priv->status) || + !test_bit(STATUS_GEO_CONFIGURED, &priv->status) || + !test_bit(STATUS_SCAN_HW, &priv->status) || + test_bit(STATUS_FW_ERROR, &priv->shrd->status)) return -EIO; - ret = iwl_trans_send_cmd(trans(priv), &cmd); + ret = iwl_dvm_send_cmd(priv, &cmd); if (ret) return ret; - pkt = (struct iwl_rx_packet *)cmd.reply_page; - if (pkt->u.status != CAN_ABORT_STATUS) { + status = (void *)cmd.resp_pkt->data; + if (*status != CAN_ABORT_STATUS) { /* The scan abort will return 1 for success or * 2 for "failure". A failure condition can be * due to simply not being in an active scan which * can occur if we send the scan abort before we * the microcode has notified us that a scan is * completed. */ - IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n", pkt->u.status); + IWL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n", + le32_to_cpu(*status)); ret = -EIO; } - iwl_free_pages(priv->shrd, cmd.reply_page); + iwl_free_resp(&cmd); return ret; } @@ -116,20 +116,20 @@ static void iwl_process_scan_complete(struct iwl_priv *priv) { bool aborted; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); - if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->shrd->status)) + if (!test_and_clear_bit(STATUS_SCAN_COMPLETE, &priv->status)) return; IWL_DEBUG_SCAN(priv, "Completed scan.\n"); cancel_delayed_work(&priv->scan_check); - aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->shrd->status); + aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status); if (aborted) IWL_DEBUG_SCAN(priv, "Aborted scan completed.\n"); - if (!test_and_clear_bit(STATUS_SCANNING, &priv->shrd->status)) { + if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Scan already completed.\n"); goto out_settings; } @@ -165,7 +165,7 @@ out_complete: out_settings: /* Can we still talk to firmware ? */ - if (!iwl_is_ready_rf(priv->shrd)) + if (!iwl_is_ready_rf(priv)) return; iwlagn_post_scan(priv); @@ -173,18 +173,18 @@ out_settings: void iwl_force_scan_end(struct iwl_priv *priv) { - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); - if (!test_bit(STATUS_SCANNING, &priv->shrd->status)) { + if (!test_bit(STATUS_SCANNING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Forcing scan end while not scanning\n"); return; } IWL_DEBUG_SCAN(priv, "Forcing scan end\n"); - clear_bit(STATUS_SCANNING, &priv->shrd->status); - clear_bit(STATUS_SCAN_HW, &priv->shrd->status); - clear_bit(STATUS_SCAN_ABORTING, &priv->shrd->status); - clear_bit(STATUS_SCAN_COMPLETE, &priv->shrd->status); + clear_bit(STATUS_SCANNING, &priv->status); + clear_bit(STATUS_SCAN_HW, &priv->status); + clear_bit(STATUS_SCAN_ABORTING, &priv->status); + clear_bit(STATUS_SCAN_COMPLETE, &priv->status); iwl_complete_scan(priv, true); } @@ -192,14 +192,14 @@ static void iwl_do_scan_abort(struct iwl_priv *priv) { int ret; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); - if (!test_bit(STATUS_SCANNING, &priv->shrd->status)) { + if (!test_bit(STATUS_SCANNING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Not performing scan to abort\n"); return; } - if (test_and_set_bit(STATUS_SCAN_ABORTING, &priv->shrd->status)) { + if (test_and_set_bit(STATUS_SCAN_ABORTING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Scan abort in progress\n"); return; } @@ -218,7 +218,7 @@ static void iwl_do_scan_abort(struct iwl_priv *priv) int iwl_scan_cancel(struct iwl_priv *priv) { IWL_DEBUG_SCAN(priv, "Queuing abort scan\n"); - queue_work(priv->shrd->workqueue, &priv->abort_scan); + queue_work(priv->workqueue, &priv->abort_scan); return 0; } @@ -231,14 +231,14 @@ void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms) { unsigned long timeout = jiffies + msecs_to_jiffies(ms); - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); IWL_DEBUG_SCAN(priv, "Scan cancel timeout\n"); iwl_do_scan_abort(priv); while (time_before_eq(jiffies, timeout)) { - if (!test_bit(STATUS_SCAN_HW, &priv->shrd->status)) + if (!test_bit(STATUS_SCAN_HW, &priv->status)) goto finished; msleep(20); } @@ -261,13 +261,12 @@ void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms) /* Service response to REPLY_SCAN_CMD (0x80) */ static int iwl_rx_reply_scan(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { #ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_scanreq_notification *notif = - (struct iwl_scanreq_notification *)pkt->u.raw; + struct iwl_scanreq_notification *notif = (void *)pkt->data; IWL_DEBUG_SCAN(priv, "Scan request status = 0x%x\n", notif->status); #endif @@ -276,12 +275,12 @@ static int iwl_rx_reply_scan(struct iwl_priv *priv, /* Service SCAN_START_NOTIFICATION (0x82) */ static int iwl_rx_scan_start_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_scanstart_notification *notif = - (struct iwl_scanstart_notification *)pkt->u.raw; + struct iwl_scanstart_notification *notif = (void *)pkt->data; + priv->scan_start_tsf = le32_to_cpu(notif->tsf_low); IWL_DEBUG_SCAN(priv, "Scan start: " "%d [802.11%s] " @@ -303,13 +302,12 @@ static int iwl_rx_scan_start_notif(struct iwl_priv *priv, /* Service SCAN_RESULTS_NOTIFICATION (0x83) */ static int iwl_rx_scan_results_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { #ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_scanresults_notification *notif = - (struct iwl_scanresults_notification *)pkt->u.raw; + struct iwl_scanresults_notification *notif = (void *)pkt->data; IWL_DEBUG_SCAN(priv, "Scan ch.res: " "%d [802.11%s] " @@ -329,11 +327,11 @@ static int iwl_rx_scan_results_notif(struct iwl_priv *priv, /* Service SCAN_COMPLETE_NOTIFICATION (0x84) */ static int iwl_rx_scan_complete_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw; + struct iwl_scancomplete_notification *scan_notif = (void *)pkt->data; IWL_DEBUG_SCAN(priv, "Scan complete: %d channels (TSF 0x%08X:%08X) - %d\n", scan_notif->scanned_channels, @@ -352,9 +350,9 @@ static int iwl_rx_scan_complete_notif(struct iwl_priv *priv, * to clear, we need to set SCAN_COMPLETE before clearing SCAN_HW * to avoid a race there. */ - set_bit(STATUS_SCAN_COMPLETE, &priv->shrd->status); - clear_bit(STATUS_SCAN_HW, &priv->shrd->status); - queue_work(priv->shrd->workqueue, &priv->scan_completed); + set_bit(STATUS_SCAN_COMPLETE, &priv->status); + clear_bit(STATUS_SCAN_HW, &priv->status); + queue_work(priv->workqueue, &priv->scan_completed); if (priv->iw_mode != NL80211_IFTYPE_ADHOC && iwl_advanced_bt_coexist(priv) && @@ -374,7 +372,7 @@ static int iwl_rx_scan_complete_notif(struct iwl_priv *priv, IWL_BT_COEX_TRAFFIC_LOAD_NONE; } priv->bt_status = scan_notif->bt_status; - queue_work(priv->shrd->workqueue, + queue_work(priv->workqueue, &priv->bt_traffic_change_work); } return 0; @@ -414,10 +412,25 @@ static u16 iwl_limit_dwell(struct iwl_priv *priv, u16 dwell_time) for_each_context(priv, ctx) { u16 value; - if (!iwl_is_associated_ctx(ctx)) - continue; - if (ctx->staging.dev_type == RXON_DEV_TYPE_P2P) + switch (ctx->staging.dev_type) { + case RXON_DEV_TYPE_P2P: + /* no timing constraints */ continue; + case RXON_DEV_TYPE_ESS: + default: + /* timing constraints if associated */ + if (!iwl_is_associated_ctx(ctx)) + continue; + break; + case RXON_DEV_TYPE_CP: + case RXON_DEV_TYPE_2STA: + /* + * These seem to always have timers for TBTT + * active in uCode even when not associated yet. + */ + break; + } + value = ctx->beacon_int; if (!value) value = IWL_PASSIVE_DWELL_BASE; @@ -559,6 +572,53 @@ static int iwl_get_channels_for_scan(struct iwl_priv *priv, return added; } +/** + * iwl_fill_probe_req - fill in all required fields and IE for probe request + */ + +static u16 iwl_fill_probe_req(struct ieee80211_mgmt *frame, const u8 *ta, + const u8 *ies, int ie_len, int left) +{ + int len = 0; + u8 *pos = NULL; + + /* Make sure there is enough space for the probe request, + * two mandatory IEs and the data */ + left -= 24; + if (left < 0) + return 0; + + frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); + memcpy(frame->da, iwl_bcast_addr, ETH_ALEN); + memcpy(frame->sa, ta, ETH_ALEN); + memcpy(frame->bssid, iwl_bcast_addr, ETH_ALEN); + frame->seq_ctrl = 0; + + len += 24; + + /* ...next IE... */ + pos = &frame->u.probe_req.variable[0]; + + /* fill in our indirect SSID IE */ + left -= 2; + if (left < 0) + return 0; + *pos++ = WLAN_EID_SSID; + *pos++ = 0; + + len += 2; + + if (WARN_ON(left < ie_len)) + return len; + + if (ies && ie_len) { + memcpy(pos, ies, ie_len); + len += ie_len; + } + + return (u16)len; +} + static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) { struct iwl_host_cmd cmd = { @@ -581,7 +641,7 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) u8 scan_tx_antennas = hw_params(priv).valid_tx_ant; int ret; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); if (vif) ctx = iwl_rxon_ctx_from_vif(vif); @@ -778,7 +838,7 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) scan->rx_chain = cpu_to_le16(rx_chain); switch (priv->scan_type) { case IWL_SCAN_NORMAL: - cmd_len = iwl_fill_probe_req(priv, + cmd_len = iwl_fill_probe_req( (struct ieee80211_mgmt *)scan->data, vif->addr, priv->scan_request->ie, @@ -788,7 +848,7 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) case IWL_SCAN_RADIO_RESET: case IWL_SCAN_ROC: /* use bcast addr, will not be transmitted but must be valid */ - cmd_len = iwl_fill_probe_req(priv, + cmd_len = iwl_fill_probe_req( (struct ieee80211_mgmt *)scan->data, iwl_bcast_addr, NULL, 0, IWL_MAX_SCAN_SIZE - sizeof(*scan)); @@ -867,15 +927,15 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif) scan->len = cpu_to_le16(cmd.len[0]); /* set scan bit here for PAN params */ - set_bit(STATUS_SCAN_HW, &priv->shrd->status); + set_bit(STATUS_SCAN_HW, &priv->status); ret = iwlagn_set_pan_params(priv); if (ret) return ret; - ret = iwl_trans_send_cmd(trans(priv), &cmd); + ret = iwl_dvm_send_cmd(priv, &cmd); if (ret) { - clear_bit(STATUS_SCAN_HW, &priv->shrd->status); + clear_bit(STATUS_SCAN_HW, &priv->status); iwlagn_set_pan_params(priv); } @@ -898,22 +958,22 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv, { int ret; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); cancel_delayed_work(&priv->scan_check); - if (!iwl_is_ready_rf(priv->shrd)) { + if (!iwl_is_ready_rf(priv)) { IWL_WARN(priv, "Request scan called when driver not ready.\n"); return -EIO; } - if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { + if (test_bit(STATUS_SCAN_HW, &priv->status)) { IWL_DEBUG_SCAN(priv, "Multiple concurrent scan requests in parallel.\n"); return -EBUSY; } - if (test_bit(STATUS_SCAN_ABORTING, &priv->shrd->status)) { + if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Scan request while abort pending.\n"); return -EBUSY; } @@ -923,19 +983,19 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv, scan_type == IWL_SCAN_ROC ? "remain-on-channel " : "internal short "); - set_bit(STATUS_SCANNING, &priv->shrd->status); + set_bit(STATUS_SCANNING, &priv->status); priv->scan_type = scan_type; priv->scan_start = jiffies; priv->scan_band = band; ret = iwlagn_request_scan(priv, vif); if (ret) { - clear_bit(STATUS_SCANNING, &priv->shrd->status); + clear_bit(STATUS_SCANNING, &priv->status); priv->scan_type = IWL_SCAN_NORMAL; return ret; } - queue_delayed_work(priv->shrd->workqueue, &priv->scan_check, + queue_delayed_work(priv->workqueue, &priv->scan_check, IWL_SCAN_CHECK_WATCHDOG); return 0; @@ -948,7 +1008,7 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv, */ void iwl_internal_short_hw_scan(struct iwl_priv *priv) { - queue_work(priv->shrd->workqueue, &priv->start_internal_scan); + queue_work(priv->workqueue, &priv->start_internal_scan); } static void iwl_bg_start_internal_scan(struct work_struct *work) @@ -958,14 +1018,14 @@ static void iwl_bg_start_internal_scan(struct work_struct *work) IWL_DEBUG_SCAN(priv, "Start internal scan\n"); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); if (priv->scan_type == IWL_SCAN_RADIO_RESET) { IWL_DEBUG_SCAN(priv, "Internal scan already in progress\n"); goto unlock; } - if (test_bit(STATUS_SCANNING, &priv->shrd->status)) { + if (test_bit(STATUS_SCANNING, &priv->status)) { IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); goto unlock; } @@ -973,7 +1033,7 @@ static void iwl_bg_start_internal_scan(struct work_struct *work) if (iwl_scan_initiate(priv, NULL, IWL_SCAN_RADIO_RESET, priv->band)) IWL_DEBUG_SCAN(priv, "failed to start internal short scan\n"); unlock: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } static void iwl_bg_scan_check(struct work_struct *data) @@ -986,56 +1046,9 @@ static void iwl_bg_scan_check(struct work_struct *data) /* Since we are here firmware does not finish scan and * most likely is in bad shape, so we don't bother to * send abort command, just force scan complete to mac80211 */ - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwl_force_scan_end(priv); - mutex_unlock(&priv->shrd->mutex); -} - -/** - * iwl_fill_probe_req - fill in all required fields and IE for probe request - */ - -u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, - const u8 *ta, const u8 *ies, int ie_len, int left) -{ - int len = 0; - u8 *pos = NULL; - - /* Make sure there is enough space for the probe request, - * two mandatory IEs and the data */ - left -= 24; - if (left < 0) - return 0; - - frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); - memcpy(frame->da, iwl_bcast_addr, ETH_ALEN); - memcpy(frame->sa, ta, ETH_ALEN); - memcpy(frame->bssid, iwl_bcast_addr, ETH_ALEN); - frame->seq_ctrl = 0; - - len += 24; - - /* ...next IE... */ - pos = &frame->u.probe_req.variable[0]; - - /* fill in our indirect SSID IE */ - left -= 2; - if (left < 0) - return 0; - *pos++ = WLAN_EID_SSID; - *pos++ = 0; - - len += 2; - - if (WARN_ON(left < ie_len)) - return len; - - if (ies && ie_len) { - memcpy(pos, ies, ie_len); - len += ie_len; - } - - return (u16)len; + mutex_unlock(&priv->mutex); } static void iwl_bg_abort_scan(struct work_struct *work) @@ -1046,9 +1059,9 @@ static void iwl_bg_abort_scan(struct work_struct *work) /* We keep scan_check work queued in case when firmware will not * report back scan completed notification */ - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwl_scan_cancel_timeout(priv, 200); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } static void iwl_bg_scan_completed(struct work_struct *work) @@ -1056,9 +1069,9 @@ static void iwl_bg_scan_completed(struct work_struct *work) struct iwl_priv *priv = container_of(work, struct iwl_priv, scan_completed); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwl_process_scan_complete(priv); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } void iwl_setup_scan_deferred_work(struct iwl_priv *priv) @@ -1076,8 +1089,8 @@ void iwl_cancel_scan_deferred_work(struct iwl_priv *priv) cancel_work_sync(&priv->scan_completed); if (cancel_delayed_work_sync(&priv->scan_check)) { - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); iwl_force_scan_end(priv); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } } diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h index dc55cc4a8108..b515d657a0ad 100644 --- a/drivers/net/wireless/iwlwifi/iwl-shared.h +++ b/drivers/net/wireless/iwlwifi/iwl-shared.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -65,12 +65,11 @@ #include <linux/types.h> #include <linux/spinlock.h> -#include <linux/mutex.h> #include <linux/gfp.h> -#include <linux/mm.h> /* for page_address */ #include <net/mac80211.h> #include "iwl-commands.h" +#include "iwl-fw.h" /** * DOC: shared area - role and goal @@ -94,7 +93,6 @@ * This implementation is iwl-pci.c */ -struct iwl_bus; struct iwl_priv; struct iwl_trans; struct iwl_sensitivity_ranges; @@ -102,7 +100,7 @@ struct iwl_trans_ops; #define DRV_NAME "iwlwifi" #define IWLWIFI_VERSION "in-tree:" -#define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation" +#define DRV_COPYRIGHT "Copyright(c) 2003-2012 Intel Corporation" #define DRV_AUTHOR "<ilw@linux.intel.com>" extern struct iwl_mod_params iwlagn_mod_params; @@ -117,7 +115,6 @@ extern struct iwl_mod_params iwlagn_mod_params; * Holds the module parameters * * @sw_crypto: using hardware encryption, default = 0 - * @num_of_queues: number of tx queue, HW dependent * @disable_11n: disable 11n capabilities, default = 0, * use IWL_DISABLE_HT_* constants * @amsdu_size_8K: enable 8K amsdu size, default = 1 @@ -139,7 +136,6 @@ extern struct iwl_mod_params iwlagn_mod_params; */ struct iwl_mod_params { int sw_crypto; - int num_of_queues; unsigned int disable_11n; int amsdu_size_8K; int antenna; @@ -164,7 +160,6 @@ struct iwl_mod_params { * * Holds the module parameters * - * @max_txq_num: Max # Tx queues supported * @num_ampdu_queues: num of ampdu queues * @tx_chains_num: Number of TX chains * @rx_chains_num: Number of RX chains @@ -173,27 +168,23 @@ struct iwl_mod_params { * @ht40_channel: is 40MHz width possible: BIT(IEEE80211_BAND_XXX) * @sku: sku read from EEPROM * @rx_page_order: Rx buffer page order - * @max_inst_size: for ucode use - * @max_data_size: for ucode use * @ct_kill_threshold: temperature threshold - in hw dependent unit * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit * relevant for 1000, 6000 and up * @wd_timeout: TX queues watchdog timeout * @struct iwl_sensitivity_ranges: range of sensitivity values + * @use_rts_for_aggregation: use rts/cts protection for HT traffic */ struct iwl_hw_params { - u8 max_txq_num; u8 num_ampdu_queues; u8 tx_chains_num; u8 rx_chains_num; u8 valid_tx_ant; u8 valid_rx_ant; u8 ht40_channel; - bool shadow_reg_enable; + bool use_rts_for_aggregation; u16 sku; u32 rx_page_order; - u32 max_inst_size; - u32 max_data_size; u32 ct_kill_threshold; u32 ct_kill_exit_threshold; unsigned int wd_timeout; @@ -201,62 +192,6 @@ struct iwl_hw_params { const struct iwl_sensitivity_ranges *sens; }; -/** - * enum iwl_ucode_type - * - * The type of ucode currently loaded on the hardware. - * - * @IWL_UCODE_NONE: No ucode loaded - * @IWL_UCODE_REGULAR: Normal runtime ucode - * @IWL_UCODE_INIT: Initial ucode - * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode - */ -enum iwl_ucode_type { - IWL_UCODE_NONE, - IWL_UCODE_REGULAR, - IWL_UCODE_INIT, - IWL_UCODE_WOWLAN, -}; - -/** - * struct iwl_notification_wait - notification wait entry - * @list: list head for global list - * @fn: function called with the notification - * @cmd: command ID - * - * This structure is not used directly, to wait for a - * notification declare it on the stack, and call - * iwlagn_init_notification_wait() with appropriate - * parameters. Then do whatever will cause the ucode - * to notify the driver, and to wait for that then - * call iwlagn_wait_notification(). - * - * Each notification is one-shot. If at some point we - * need to support multi-shot notifications (which - * can't be allocated on the stack) we need to modify - * the code for them. - */ -struct iwl_notification_wait { - struct list_head list; - - void (*fn)(struct iwl_trans *trans, struct iwl_rx_packet *pkt, - void *data); - void *fn_data; - - u8 cmd; - bool triggered, aborted; -}; - -/** - * enum iwl_pa_type - Power Amplifier type - * @IWL_PA_SYSTEM: based on uCode configuration - * @IWL_PA_INTERNAL: use Internal only - */ -enum iwl_pa_type { - IWL_PA_SYSTEM = 0, - IWL_PA_INTERNAL = 1, -}; - /* * LED mode * IWL_LED_DEFAULT: use device default @@ -264,11 +199,80 @@ enum iwl_pa_type { * LED ON = RF ON * LED OFF = RF OFF * IWL_LED_BLINK: adjust led blink rate based on blink table + * IWL_LED_DISABLE: led disabled */ enum iwl_led_mode { IWL_LED_DEFAULT, IWL_LED_RF_STATE, IWL_LED_BLINK, + IWL_LED_DISABLE, +}; + +/* + * @max_ll_items: max number of OTP blocks + * @shadow_ram_support: shadow support for OTP memory + * @led_compensation: compensate on the led on/off time per HW according + * to the deviation to achieve the desired led frequency. + * The detail algorithm is described in iwl-led.c + * @chain_noise_num_beacons: number of beacons used to compute chain noise + * @adv_thermal_throttle: support advance thermal throttle + * @support_ct_kill_exit: support ct kill exit condition + * @support_wimax_coexist: support wimax/wifi co-exist + * @plcp_delta_threshold: plcp error rate threshold used to trigger + * radio tuning when there is a high receiving plcp error rate + * @chain_noise_scale: default chain noise scale used for gain computation + * @wd_timeout: TX queues watchdog timeout + * @max_event_log_size: size of event log buffer size for ucode event logging + * @shadow_reg_enable: HW shadhow register bit + * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up + * @no_idle_support: do not support idle mode + * wd_disable: disable watchdog timer + */ +struct iwl_base_params { + int eeprom_size; + int num_of_queues; /* def: HW dependent */ + int num_of_ampdu_queues;/* def: HW dependent */ + /* for iwl_apm_init() */ + u32 pll_cfg_val; + + const u16 max_ll_items; + const bool shadow_ram_support; + u16 led_compensation; + bool adv_thermal_throttle; + bool support_ct_kill_exit; + const bool support_wimax_coexist; + u8 plcp_delta_threshold; + s32 chain_noise_scale; + unsigned int wd_timeout; + u32 max_event_log_size; + const bool shadow_reg_enable; + const bool hd_v2; + const bool no_idle_support; + const bool wd_disable; +}; + +/* + * @advanced_bt_coexist: support advanced bt coexist + * @bt_init_traffic_load: specify initial bt traffic load + * @bt_prio_boost: default bt priority boost value + * @agg_time_limit: maximum number of uSec in aggregation + * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode + */ +struct iwl_bt_params { + bool advanced_bt_coexist; + u8 bt_init_traffic_load; + u8 bt_prio_boost; + u16 agg_time_limit; + bool bt_sco_disable; + bool bt_session_2; +}; +/* + * @use_rts_for_aggregation: use rts/cts protection for HT traffic + */ +struct iwl_ht_params { + const bool ht_greenfield_support; /* if used set to true */ + bool use_rts_for_aggregation; + enum ieee80211_smps_mode smps_mode; }; /** @@ -281,9 +285,10 @@ enum iwl_led_mode { * @ucode_api_ok: oldest version of the uCode API that is OK to load * without a warning, for use in transitions * @ucode_api_min: Lowest version of uCode API supported by driver. + * @max_inst_size: The maximal length of the fw inst section + * @max_data_size: The maximal length of the fw data section * @valid_tx_ant: valid transmit antenna * @valid_rx_ant: valid receive antenna - * @sku: sku information from EEPROM * @eeprom_ver: EEPROM version * @eeprom_calib_ver: EEPROM calibration version * @lib: pointer to the lib ops @@ -291,7 +296,6 @@ enum iwl_led_mode { * @base_params: pointer to basic parameters * @ht_params: point to ht patameters * @bt_params: pointer to bt parameters - * @pa_type: used by 6000 series only to identify the type of Power Amplifier * @need_temp_offset_calib: need to perform temperature offset calibration * @no_xtal_calib: some devices do not need crystal calibration data, * don't send it to those @@ -318,19 +322,19 @@ struct iwl_cfg { const unsigned int ucode_api_max; const unsigned int ucode_api_ok; const unsigned int ucode_api_min; + const u32 max_data_size; + const u32 max_inst_size; u8 valid_tx_ant; u8 valid_rx_ant; - u16 sku; u16 eeprom_ver; u16 eeprom_calib_ver; const struct iwl_lib_ops *lib; void (*additional_nic_config)(struct iwl_priv *priv); /* params not likely to change within a device family */ - struct iwl_base_params *base_params; + const struct iwl_base_params *base_params; /* params likely to change within a device family */ - struct iwl_ht_params *ht_params; - struct iwl_bt_params *bt_params; - enum iwl_pa_type pa_type; /* if used set to IWL_PA_SYSTEM */ + const struct iwl_ht_params *ht_params; + const struct iwl_bt_params *bt_params; const bool need_temp_offset_calib; /* if used set to true */ const bool no_xtal_calib; u8 scan_rx_antennas[IEEE80211_NUM_BANDS]; @@ -345,10 +349,6 @@ struct iwl_cfg { /** * struct iwl_shared - shared fields for all the layers of the driver * - * @dbg_level_dev: dbg level set per device. Prevails on - * iwlagn_mod_params.debug_level if set (!= 0) - * @ucode_owner: IWL_OWNERSHIP_* - * @cmd_queue: command queue number * @status: STATUS_* * @wowlan: are we running wowlan uCode * @valid_contexts: microcode/device supports multiple contexts @@ -356,45 +356,22 @@ struct iwl_cfg { * @cfg: see struct iwl_cfg * @priv: pointer to the upper layer data * @trans: pointer to the transport layer data + * @nic: pointer to the nic data * @hw_params: see struct iwl_hw_params - * @workqueue: the workqueue used by all the layers of the driver * @lock: protect general shared data - * @sta_lock: protects the station table. - * If lock and sta_lock are needed, lock must be acquired first. - * @mutex: - * @wait_command_queue: the wait_queue for SYNC host command nad uCode load * @eeprom: pointer to the eeprom/OTP image * @ucode_type: indicator of loaded ucode image - * @notif_waits: things waiting for notification - * @notif_wait_lock: lock protecting notification - * @notif_waitq: head of notification wait queue * @device_pointers: pointers to ucode event tables */ struct iwl_shared { -#ifdef CONFIG_IWLWIFI_DEBUG - u32 dbg_level_dev; -#endif /* CONFIG_IWLWIFI_DEBUG */ - -#define IWL_OWNERSHIP_DRIVER 0 -#define IWL_OWNERSHIP_TM 1 - u8 ucode_owner; - u8 cmd_queue; unsigned long status; - bool wowlan; u8 valid_contexts; - struct iwl_bus *bus; - struct iwl_cfg *cfg; - struct iwl_priv *priv; + const struct iwl_cfg *cfg; struct iwl_trans *trans; + void *drv; struct iwl_hw_params hw_params; - - struct workqueue_struct *workqueue; - spinlock_t lock; - spinlock_t sta_lock; - struct mutex mutex; - - wait_queue_head_t wait_command_queue; + const struct iwl_fw *fw; /* eeprom -- this is in the card's little endian byte order */ u8 *eeprom; @@ -402,11 +379,6 @@ struct iwl_shared { /* ucode related variables */ enum iwl_ucode_type ucode_type; - /* notification wait support */ - struct list_head notif_waits; - spinlock_t notif_wait_lock; - wait_queue_head_t notif_waitq; - struct { u32 error_event_table; u32 log_event_table; @@ -414,112 +386,14 @@ struct iwl_shared { }; -/*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */ -#define priv(_m) ((_m)->shrd->priv) +/*Whatever _m is (iwl_trans, iwl_priv, these macros will work */ #define cfg(_m) ((_m)->shrd->cfg) -#define bus(_m) ((_m)->shrd->bus) #define trans(_m) ((_m)->shrd->trans) #define hw_params(_m) ((_m)->shrd->hw_params) -#ifdef CONFIG_IWLWIFI_DEBUG -/* - * iwl_get_debug_level: Return active debug level for device - * - * Using sysfs it is possible to set per device debug level. This debug - * level will be used if set, otherwise the global debug level which can be - * set via module parameter is used. - */ -static inline u32 iwl_get_debug_level(struct iwl_shared *shrd) +static inline bool iwl_have_debug_level(u32 level) { - if (shrd->dbg_level_dev) - return shrd->dbg_level_dev; - else - return iwlagn_mod_params.debug_level; -} -#else -static inline u32 iwl_get_debug_level(struct iwl_shared *shrd) -{ - return iwlagn_mod_params.debug_level; -} -#endif - -static inline void iwl_free_pages(struct iwl_shared *shrd, unsigned long page) -{ - free_pages(page, shrd->hw_params.rx_page_order); -} - -/** - * iwl_queue_inc_wrap - increment queue index, wrap back to beginning - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl_queue_inc_wrap(int index, int n_bd) -{ - return ++index & (n_bd - 1); -} - -/** - * iwl_queue_dec_wrap - decrement queue index, wrap back to end - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl_queue_dec_wrap(int index, int n_bd) -{ - return --index & (n_bd - 1); -} - -struct iwl_rx_mem_buffer { - dma_addr_t page_dma; - struct page *page; - struct list_head list; -}; - -#define rxb_addr(r) page_address(r->page) - -/* - * mac80211 queues, ACs, hardware queues, FIFOs. - * - * Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues - * - * Mac80211 uses the following numbers, which we get as from it - * by way of skb_get_queue_mapping(skb): - * - * VO 0 - * VI 1 - * BE 2 - * BK 3 - * - * - * Regular (not A-MPDU) frames are put into hardware queues corresponding - * to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their - * own queue per aggregation session (RA/TID combination), such queues are - * set up to map into FIFOs too, for which we need an AC->FIFO mapping. In - * order to map frames to the right queue, we also need an AC->hw queue - * mapping. This is implemented here. - * - * Due to the way hw queues are set up (by the hw specific modules like - * iwl-4965.c, iwl-5000.c etc.), the AC->hw queue mapping is the identity - * mapping. - */ - -static const u8 tid_to_ac[] = { - IEEE80211_AC_BE, - IEEE80211_AC_BK, - IEEE80211_AC_BK, - IEEE80211_AC_BE, - IEEE80211_AC_VI, - IEEE80211_AC_VI, - IEEE80211_AC_VO, - IEEE80211_AC_VO -}; - -static inline int get_ac_from_tid(u16 tid) -{ - if (likely(tid < ARRAY_SIZE(tid_to_ac))) - return tid_to_ac[tid]; - - /* no support for TIDs 8-15 yet */ - return -EINVAL; + return iwlagn_mod_params.debug_level & level; } enum iwl_rxon_context_id { @@ -529,64 +403,10 @@ enum iwl_rxon_context_id { NUM_IWL_RXON_CTX }; -int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops, - struct iwl_cfg *cfg); -void __devexit iwl_remove(struct iwl_priv * priv); -struct iwl_device_cmd; -int __must_check iwl_rx_dispatch(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, - struct iwl_device_cmd *cmd); - int iwlagn_hw_valid_rtc_data_addr(u32 addr); -void iwl_set_hw_rfkill_state(struct iwl_priv *priv, bool state); -void iwl_nic_config(struct iwl_priv *priv); -void iwl_free_skb(struct iwl_priv *priv, struct sk_buff *skb); -void iwl_apm_stop(struct iwl_priv *priv); -int iwl_apm_init(struct iwl_priv *priv); -void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand); const char *get_cmd_string(u8 cmd); -bool iwl_check_for_ct_kill(struct iwl_priv *priv); - -void iwl_stop_sw_queue(struct iwl_priv *priv, u8 ac); -void iwl_wake_sw_queue(struct iwl_priv *priv, u8 ac); - -/* notification wait support */ -void iwl_abort_notification_waits(struct iwl_shared *shrd); -void __acquires(wait_entry) -iwl_init_notification_wait(struct iwl_shared *shrd, - struct iwl_notification_wait *wait_entry, - u8 cmd, - void (*fn)(struct iwl_trans *trans, - struct iwl_rx_packet *pkt, - void *data), - void *fn_data); -int __must_check __releases(wait_entry) -iwl_wait_notification(struct iwl_shared *shrd, - struct iwl_notification_wait *wait_entry, - unsigned long timeout); -void __releases(wait_entry) -iwl_remove_notification(struct iwl_shared *shrd, - struct iwl_notification_wait *wait_entry); - -#ifdef CONFIG_IWLWIFI_DEBUGFS -void iwl_reset_traffic_log(struct iwl_priv *priv); -#endif /* CONFIG_IWLWIFI_DEBUGFS */ - -#ifdef CONFIG_IWLWIFI_DEBUG -void iwl_print_rx_config_cmd(struct iwl_priv *priv, - enum iwl_rxon_context_id ctxid); -#else -static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, - enum iwl_rxon_context_id ctxid) -{ -} -#endif #define IWL_CMD(x) case x: return #x -#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) - -#define IWL_TRAFFIC_ENTRIES (256) -#define IWL_TRAFFIC_ENTRY_SIZE (64) /***************************************************** * DRIVER STATUS FUNCTIONS @@ -612,46 +432,4 @@ static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv, #define STATUS_CHANNEL_SWITCH_PENDING 19 #define STATUS_SCAN_COMPLETE 20 -static inline int iwl_is_ready(struct iwl_shared *shrd) -{ - /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are - * set but EXIT_PENDING is not */ - return test_bit(STATUS_READY, &shrd->status) && - test_bit(STATUS_GEO_CONFIGURED, &shrd->status) && - !test_bit(STATUS_EXIT_PENDING, &shrd->status); -} - -static inline int iwl_is_alive(struct iwl_shared *shrd) -{ - return test_bit(STATUS_ALIVE, &shrd->status); -} - -static inline int iwl_is_init(struct iwl_shared *shrd) -{ - return test_bit(STATUS_INIT, &shrd->status); -} - -static inline int iwl_is_rfkill_hw(struct iwl_shared *shrd) -{ - return test_bit(STATUS_RF_KILL_HW, &shrd->status); -} - -static inline int iwl_is_rfkill(struct iwl_shared *shrd) -{ - return iwl_is_rfkill_hw(shrd); -} - -static inline int iwl_is_ctkill(struct iwl_shared *shrd) -{ - return test_bit(STATUS_CT_KILL, &shrd->status); -} - -static inline int iwl_is_ready_rf(struct iwl_shared *shrd) -{ - if (iwl_is_rfkill(shrd)) - return 0; - - return iwl_is_ready(shrd); -} - #endif /* #__iwl_shared_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.c b/drivers/net/wireless/iwlwifi/iwl-testmode.c index 4a5cddd2d56b..76f7f9251436 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.c +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2010 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2010 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -70,7 +70,6 @@ #include <net/mac80211.h> #include <net/netlink.h> -#include "iwl-wifi.h" #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-debug.h" @@ -78,7 +77,15 @@ #include "iwl-agn.h" #include "iwl-testmode.h" #include "iwl-trans.h" -#include "iwl-bus.h" +#include "iwl-fh.h" +#include "iwl-prph.h" + + +/* Periphery registers absolute lower bound. This is used in order to + * differentiate registery access through HBUS_TARG_PRPH_* and + * HBUS_TARG_MEM_* accesses. + */ +#define IWL_TM_ABS_PRPH_START (0xA00000) /* The TLVs used in the gnl message policy between the kernel module and * user space application. iwl_testmode_gnl_msg_policy is to be carried @@ -109,19 +116,24 @@ struct nla_policy iwl_testmode_gnl_msg_policy[IWL_TM_ATTR_MAX] = { [IWL_TM_ATTR_UCODE_OWNER] = { .type = NLA_U8, }, - [IWL_TM_ATTR_SRAM_ADDR] = { .type = NLA_U32, }, - [IWL_TM_ATTR_SRAM_SIZE] = { .type = NLA_U32, }, - [IWL_TM_ATTR_SRAM_DUMP] = { .type = NLA_UNSPEC, }, + [IWL_TM_ATTR_MEM_ADDR] = { .type = NLA_U32, }, + [IWL_TM_ATTR_BUFFER_SIZE] = { .type = NLA_U32, }, + [IWL_TM_ATTR_BUFFER_DUMP] = { .type = NLA_UNSPEC, }, [IWL_TM_ATTR_FW_VERSION] = { .type = NLA_U32, }, [IWL_TM_ATTR_DEVICE_ID] = { .type = NLA_U32, }, + [IWL_TM_ATTR_FW_TYPE] = { .type = NLA_U32, }, + [IWL_TM_ATTR_FW_INST_SIZE] = { .type = NLA_U32, }, + [IWL_TM_ATTR_FW_DATA_SIZE] = { .type = NLA_U32, }, + + [IWL_TM_ATTR_ENABLE_NOTIFICATION] = {.type = NLA_FLAG, }, }; /* * See the struct iwl_rx_packet in iwl-commands.h for the format of the * received events from the device */ -static inline int get_event_length(struct iwl_rx_mem_buffer *rxb) +static inline int get_event_length(struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); if (pkt) @@ -152,7 +164,7 @@ static inline int get_event_length(struct iwl_rx_mem_buffer *rxb) */ static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) + struct iwl_rx_cmd_buffer *rxb) { struct ieee80211_hw *hw = priv->hw; struct sk_buff *skb; @@ -168,35 +180,36 @@ static void iwl_testmode_ucode_rx_pkt(struct iwl_priv *priv, skb = cfg80211_testmode_alloc_event_skb(hw->wiphy, 20 + length, GFP_ATOMIC); if (skb == NULL) { - IWL_DEBUG_INFO(priv, + IWL_ERR(priv, "Run out of memory for messages to user space ?\n"); return; } NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT); - NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, length, data); + /* the length doesn't include len_n_flags field, so add it manually */ + NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, length + sizeof(__le32), data); cfg80211_testmode_event(skb, GFP_ATOMIC); return; nla_put_failure: kfree_skb(skb); - IWL_DEBUG_INFO(priv, "Ouch, overran buffer, check allocation!\n"); + IWL_ERR(priv, "Ouch, overran buffer, check allocation!\n"); } void iwl_testmode_init(struct iwl_priv *priv) { - priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; + priv->pre_rx_handler = NULL; priv->testmode_trace.trace_enabled = false; - priv->testmode_sram.sram_readed = false; + priv->testmode_mem.read_in_progress = false; } -static void iwl_sram_cleanup(struct iwl_priv *priv) +static void iwl_mem_cleanup(struct iwl_priv *priv) { - if (priv->testmode_sram.sram_readed) { - kfree(priv->testmode_sram.buff_addr); - priv->testmode_sram.buff_addr = NULL; - priv->testmode_sram.buff_size = 0; - priv->testmode_sram.num_chunks = 0; - priv->testmode_sram.sram_readed = false; + if (priv->testmode_mem.read_in_progress) { + kfree(priv->testmode_mem.buff_addr); + priv->testmode_mem.buff_addr = NULL; + priv->testmode_mem.buff_size = 0; + priv->testmode_mem.num_chunks = 0; + priv->testmode_mem.read_in_progress = false; } } @@ -205,7 +218,7 @@ static void iwl_trace_cleanup(struct iwl_priv *priv) if (priv->testmode_trace.trace_enabled) { if (priv->testmode_trace.cpu_addr && priv->testmode_trace.dma_addr) - dma_free_coherent(bus(priv)->dev, + dma_free_coherent(trans(priv)->dev, priv->testmode_trace.total_size, priv->testmode_trace.cpu_addr, priv->testmode_trace.dma_addr); @@ -222,9 +235,10 @@ static void iwl_trace_cleanup(struct iwl_priv *priv) void iwl_testmode_cleanup(struct iwl_priv *priv) { iwl_trace_cleanup(priv); - iwl_sram_cleanup(priv); + iwl_mem_cleanup(priv); } + /* * This function handles the user application commands to the ucode. * @@ -233,35 +247,80 @@ void iwl_testmode_cleanup(struct iwl_priv *priv) * host command to the ucode. * * If any mandatory field is missing, -ENOMSG is replied to the user space - * application; otherwise, the actual execution result of the host command to - * ucode is replied. + * application; otherwise, waits for the host command to be sent and checks + * the return code. In case or error, it is returned, otherwise a reply is + * allocated and the reply RX packet + * is returned. * * @hw: ieee80211_hw object that represents the device * @tb: gnl message fields from the user space */ static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_host_cmd cmd; + struct iwl_rx_packet *pkt; + struct sk_buff *skb; + void *reply_buf; + u32 reply_len; + int ret; + bool cmd_want_skb; memset(&cmd, 0, sizeof(struct iwl_host_cmd)); if (!tb[IWL_TM_ATTR_UCODE_CMD_ID] || !tb[IWL_TM_ATTR_UCODE_CMD_DATA]) { - IWL_DEBUG_INFO(priv, - "Error finding ucode command mandatory fields\n"); + IWL_ERR(priv, "Missing ucode command mandatory fields\n"); return -ENOMSG; } - cmd.flags = CMD_ON_DEMAND; + cmd.flags = CMD_ON_DEMAND | CMD_SYNC; + cmd_want_skb = nla_get_flag(tb[IWL_TM_ATTR_UCODE_CMD_SKB]); + if (cmd_want_skb) + cmd.flags |= CMD_WANT_SKB; + cmd.id = nla_get_u8(tb[IWL_TM_ATTR_UCODE_CMD_ID]); cmd.data[0] = nla_data(tb[IWL_TM_ATTR_UCODE_CMD_DATA]); cmd.len[0] = nla_len(tb[IWL_TM_ATTR_UCODE_CMD_DATA]); cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY; - IWL_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x," + IWL_DEBUG_INFO(priv, "testmode ucode command ID 0x%x, flags 0x%x," " len %d\n", cmd.id, cmd.flags, cmd.len[0]); - /* ok, let's submit the command to ucode */ - return iwl_trans_send_cmd(trans(priv), &cmd); + + ret = iwl_dvm_send_cmd(priv, &cmd); + if (ret) { + IWL_ERR(priv, "Failed to send hcmd\n"); + return ret; + } + if (!cmd_want_skb) + return ret; + + /* Handling return of SKB to the user */ + pkt = cmd.resp_pkt; + if (!pkt) { + IWL_ERR(priv, "HCMD received a null response packet\n"); + return ret; + } + + reply_len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; + skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, reply_len + 20); + reply_buf = kmalloc(reply_len, GFP_KERNEL); + if (!skb || !reply_buf) { + kfree_skb(skb); + kfree(reply_buf); + return -ENOMEM; + } + + /* The reply is in a page, that we cannot send to user space. */ + memcpy(reply_buf, &(pkt->hdr), reply_len); + iwl_free_resp(&cmd); + + NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, IWL_TM_CMD_DEV2APP_UCODE_RX_PKT); + NLA_PUT(skb, IWL_TM_ATTR_UCODE_RX_PKT, reply_len, reply_buf); + return cfg80211_testmode_reply(skb); + +nla_put_failure: + IWL_DEBUG_INFO(priv, "Failed creating NL attributes\n"); + return -ENOMSG; } @@ -284,84 +343,69 @@ static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb) */ static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb) { - struct iwl_priv *priv = hw->priv; - u32 ofs, val32; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); + u32 ofs, val32, cmd; u8 val8; struct sk_buff *skb; int status = 0; if (!tb[IWL_TM_ATTR_REG_OFFSET]) { - IWL_DEBUG_INFO(priv, "Error finding register offset\n"); + IWL_ERR(priv, "Missing register offset\n"); return -ENOMSG; } ofs = nla_get_u32(tb[IWL_TM_ATTR_REG_OFFSET]); IWL_INFO(priv, "testmode register access command offset 0x%x\n", ofs); - switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { + /* Allow access only to FH/CSR/HBUS in direct mode. + Since we don't have the upper bounds for the CSR and HBUS segments, + we will use only the upper bound of FH for sanity check. */ + cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); + if ((cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32 || + cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32 || + cmd == IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8) && + (ofs >= FH_MEM_UPPER_BOUND)) { + IWL_ERR(priv, "offset out of segment (0x0 - 0x%x)\n", + FH_MEM_UPPER_BOUND); + return -EINVAL; + } + + switch (cmd) { case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: - val32 = iwl_read32(bus(priv), ofs); + val32 = iwl_read_direct32(trans(priv), ofs); IWL_INFO(priv, "32bit value to read 0x%x\n", val32); skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); if (!skb) { - IWL_DEBUG_INFO(priv, "Error allocating memory\n"); + IWL_ERR(priv, "Memory allocation fail\n"); return -ENOMEM; } NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32); status = cfg80211_testmode_reply(skb); if (status < 0) - IWL_DEBUG_INFO(priv, - "Error sending msg : %d\n", status); + IWL_ERR(priv, "Error sending msg : %d\n", status); break; case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: if (!tb[IWL_TM_ATTR_REG_VALUE32]) { - IWL_DEBUG_INFO(priv, - "Error finding value to write\n"); + IWL_ERR(priv, "Missing value to write\n"); return -ENOMSG; } else { val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]); IWL_INFO(priv, "32bit value to write 0x%x\n", val32); - iwl_write32(bus(priv), ofs, val32); + iwl_write_direct32(trans(priv), ofs, val32); } break; case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: if (!tb[IWL_TM_ATTR_REG_VALUE8]) { - IWL_DEBUG_INFO(priv, "Error finding value to write\n"); + IWL_ERR(priv, "Missing value to write\n"); return -ENOMSG; } else { val8 = nla_get_u8(tb[IWL_TM_ATTR_REG_VALUE8]); IWL_INFO(priv, "8bit value to write 0x%x\n", val8); - iwl_write8(bus(priv), ofs, val8); - } - break; - case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32: - val32 = iwl_read_prph(bus(priv), ofs); - IWL_INFO(priv, "32bit value to read 0x%x\n", val32); - - skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); - if (!skb) { - IWL_DEBUG_INFO(priv, "Error allocating memory\n"); - return -ENOMEM; - } - NLA_PUT_U32(skb, IWL_TM_ATTR_REG_VALUE32, val32); - status = cfg80211_testmode_reply(skb); - if (status < 0) - IWL_DEBUG_INFO(priv, - "Error sending msg : %d\n", status); - break; - case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32: - if (!tb[IWL_TM_ATTR_REG_VALUE32]) { - IWL_DEBUG_INFO(priv, - "Error finding value to write\n"); - return -ENOMSG; - } else { - val32 = nla_get_u32(tb[IWL_TM_ATTR_REG_VALUE32]); - IWL_INFO(priv, "32bit value to write 0x%x\n", val32); - iwl_write_prph(bus(priv), ofs, val32); + iwl_write8(trans(priv), ofs, val8); } break; default: - IWL_DEBUG_INFO(priv, "Unknown testmode register command ID\n"); + IWL_ERR(priv, "Unknown testmode register command ID\n"); return -ENOSYS; } @@ -378,24 +422,23 @@ static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv) struct iwl_notification_wait calib_wait; int ret; - iwl_init_notification_wait(priv->shrd, &calib_wait, - CALIBRATION_COMPLETE_NOTIFICATION, - NULL, NULL); - ret = iwl_init_alive_start(trans(priv)); + iwl_init_notification_wait(&priv->notif_wait, &calib_wait, + CALIBRATION_COMPLETE_NOTIFICATION, + NULL, NULL); + ret = iwl_init_alive_start(priv); if (ret) { - IWL_DEBUG_INFO(priv, - "Error configuring init calibration: %d\n", ret); + IWL_ERR(priv, "Fail init calibration: %d\n", ret); goto cfg_init_calib_error; } - ret = iwl_wait_notification(priv->shrd, &calib_wait, 2 * HZ); + ret = iwl_wait_notification(&priv->notif_wait, &calib_wait, 2 * HZ); if (ret) - IWL_DEBUG_INFO(priv, "Error detecting" + IWL_ERR(priv, "Error detecting" " CALIBRATION_COMPLETE_NOTIFICATION: %d\n", ret); return ret; cfg_init_calib_error: - iwl_remove_notification(priv->shrd, &calib_wait); + iwl_remove_notification(&priv->notif_wait, &calib_wait); return ret; } @@ -417,12 +460,13 @@ cfg_init_calib_error: */ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_trans *trans = trans(priv); struct sk_buff *skb; unsigned char *rsp_data_ptr = NULL; int status = 0, rsp_data_len = 0; - u32 devid; + u32 devid, inst_size = 0, data_size = 0; + const struct fw_img *img; switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { case IWL_TM_CMD_APP2DEV_GET_DEVICENAME: @@ -431,8 +475,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, rsp_data_len + 20); if (!skb) { - IWL_DEBUG_INFO(priv, - "Error allocating memory\n"); + IWL_ERR(priv, "Memory allocation fail\n"); return -ENOMEM; } NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, @@ -441,47 +484,47 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) rsp_data_len, rsp_data_ptr); status = cfg80211_testmode_reply(skb); if (status < 0) - IWL_DEBUG_INFO(priv, "Error sending msg : %d\n", - status); + IWL_ERR(priv, "Error sending msg : %d\n", status); break; case IWL_TM_CMD_APP2DEV_LOAD_INIT_FW: - status = iwl_load_ucode_wait_alive(trans, IWL_UCODE_INIT); + status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT); if (status) - IWL_DEBUG_INFO(priv, - "Error loading init ucode: %d\n", status); + IWL_ERR(priv, "Error loading init ucode: %d\n", status); break; case IWL_TM_CMD_APP2DEV_CFG_INIT_CALIB: iwl_testmode_cfg_init_calib(priv); + priv->ucode_loaded = false; iwl_trans_stop_device(trans); break; case IWL_TM_CMD_APP2DEV_LOAD_RUNTIME_FW: - status = iwl_load_ucode_wait_alive(trans, IWL_UCODE_REGULAR); + status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR); if (status) { - IWL_DEBUG_INFO(priv, + IWL_ERR(priv, "Error loading runtime ucode: %d\n", status); break; } status = iwl_alive_start(priv); if (status) - IWL_DEBUG_INFO(priv, + IWL_ERR(priv, "Error starting the device: %d\n", status); break; case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: iwl_scan_cancel_timeout(priv, 200); + priv->ucode_loaded = false; iwl_trans_stop_device(trans); - status = iwl_load_ucode_wait_alive(trans, IWL_UCODE_WOWLAN); + status = iwl_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN); if (status) { - IWL_DEBUG_INFO(priv, + IWL_ERR(priv, "Error loading WOWLAN ucode: %d\n", status); break; } status = iwl_alive_start(priv); if (status) - IWL_DEBUG_INFO(priv, + IWL_ERR(priv, "Error starting the device: %d\n", status); break; @@ -490,8 +533,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, cfg(priv)->base_params->eeprom_size + 20); if (!skb) { - IWL_DEBUG_INFO(priv, - "Error allocating memory\n"); + IWL_ERR(priv, "Memory allocation fail\n"); return -ENOMEM; } NLA_PUT_U32(skb, IWL_TM_ATTR_COMMAND, @@ -501,55 +543,75 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb) priv->shrd->eeprom); status = cfg80211_testmode_reply(skb); if (status < 0) - IWL_DEBUG_INFO(priv, - "Error sending msg : %d\n", - status); + IWL_ERR(priv, "Error sending msg : %d\n", + status); } else return -EFAULT; break; case IWL_TM_CMD_APP2DEV_FIXRATE_REQ: if (!tb[IWL_TM_ATTR_FIXRATE]) { - IWL_DEBUG_INFO(priv, - "Error finding fixrate setting\n"); + IWL_ERR(priv, "Missing fixrate setting\n"); return -ENOMSG; } priv->tm_fixed_rate = nla_get_u32(tb[IWL_TM_ATTR_FIXRATE]); break; case IWL_TM_CMD_APP2DEV_GET_FW_VERSION: - IWL_INFO(priv, "uCode version raw: 0x%x\n", priv->ucode_ver); + IWL_INFO(priv, "uCode version raw: 0x%x\n", + priv->fw->ucode_ver); skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); if (!skb) { - IWL_DEBUG_INFO(priv, "Error allocating memory\n"); + IWL_ERR(priv, "Memory allocation fail\n"); return -ENOMEM; } - NLA_PUT_U32(skb, IWL_TM_ATTR_FW_VERSION, priv->ucode_ver); + NLA_PUT_U32(skb, IWL_TM_ATTR_FW_VERSION, + priv->fw->ucode_ver); status = cfg80211_testmode_reply(skb); if (status < 0) - IWL_DEBUG_INFO(priv, - "Error sending msg : %d\n", status); + IWL_ERR(priv, "Error sending msg : %d\n", status); break; case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: - devid = bus_get_hw_id(bus(priv)); + devid = trans(priv)->hw_id; IWL_INFO(priv, "hw version: 0x%x\n", devid); skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20); if (!skb) { - IWL_DEBUG_INFO(priv, "Error allocating memory\n"); + IWL_ERR(priv, "Memory allocation fail\n"); return -ENOMEM; } NLA_PUT_U32(skb, IWL_TM_ATTR_DEVICE_ID, devid); status = cfg80211_testmode_reply(skb); if (status < 0) - IWL_DEBUG_INFO(priv, - "Error sending msg : %d\n", status); + IWL_ERR(priv, "Error sending msg : %d\n", status); + break; + + case IWL_TM_CMD_APP2DEV_GET_FW_INFO: + skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, 20 + 8); + if (!skb) { + IWL_ERR(priv, "Memory allocation fail\n"); + return -ENOMEM; + } + if (!priv->ucode_loaded) { + IWL_ERR(priv, "No uCode has not been loaded\n"); + return -EINVAL; + } else { + img = &priv->fw->img[priv->shrd->ucode_type]; + inst_size = img->sec[IWL_UCODE_SECTION_INST].len; + data_size = img->sec[IWL_UCODE_SECTION_DATA].len; + } + NLA_PUT_U32(skb, IWL_TM_ATTR_FW_TYPE, priv->shrd->ucode_type); + NLA_PUT_U32(skb, IWL_TM_ATTR_FW_INST_SIZE, inst_size); + NLA_PUT_U32(skb, IWL_TM_ATTR_FW_DATA_SIZE, data_size); + status = cfg80211_testmode_reply(skb); + if (status < 0) + IWL_ERR(priv, "Error sending msg : %d\n", status); break; default: - IWL_DEBUG_INFO(priv, "Unknown testmode driver command ID\n"); + IWL_ERR(priv, "Unknown testmode driver command ID\n"); return -ENOSYS; } return status; @@ -574,10 +636,10 @@ nla_put_failure: */ static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct sk_buff *skb; int status = 0; - struct device *dev = bus(priv)->dev; + struct device *dev = trans(priv)->dev; switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { case IWL_TM_CMD_APP2DEV_BEGIN_TRACE: @@ -612,8 +674,7 @@ static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb) skb = cfg80211_testmode_alloc_reply_skb(hw->wiphy, sizeof(priv->testmode_trace.dma_addr) + 20); if (!skb) { - IWL_DEBUG_INFO(priv, - "Error allocating memory\n"); + IWL_ERR(priv, "Memory allocation fail\n"); iwl_trace_cleanup(priv); return -ENOMEM; } @@ -622,9 +683,7 @@ static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb) (u64 *)&priv->testmode_trace.dma_addr); status = cfg80211_testmode_reply(skb); if (status < 0) { - IWL_DEBUG_INFO(priv, - "Error sending msg : %d\n", - status); + IWL_ERR(priv, "Error sending msg : %d\n", status); } priv->testmode_trace.num_chunks = DIV_ROUND_UP(priv->testmode_trace.buff_size, @@ -635,7 +694,7 @@ static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb) iwl_trace_cleanup(priv); break; default: - IWL_DEBUG_INFO(priv, "Unknown testmode mem command ID\n"); + IWL_ERR(priv, "Unknown testmode mem command ID\n"); return -ENOSYS; } return status; @@ -648,11 +707,11 @@ nla_put_failure: return -EMSGSIZE; } -static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct nlattr **tb, +static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct sk_buff *skb, struct netlink_callback *cb) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); int idx, length; if (priv->testmode_trace.trace_enabled && @@ -696,24 +755,105 @@ static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct nlattr **tb, */ static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); u8 owner; if (!tb[IWL_TM_ATTR_UCODE_OWNER]) { - IWL_DEBUG_INFO(priv, "Error finding ucode owner\n"); + IWL_ERR(priv, "Missing ucode owner\n"); return -ENOMSG; } owner = nla_get_u8(tb[IWL_TM_ATTR_UCODE_OWNER]); - if ((owner == IWL_OWNERSHIP_DRIVER) || (owner == IWL_OWNERSHIP_TM)) - priv->shrd->ucode_owner = owner; - else { - IWL_DEBUG_INFO(priv, "Invalid owner\n"); + if (owner == IWL_OWNERSHIP_DRIVER) { + priv->ucode_owner = owner; + priv->pre_rx_handler = NULL; + } else if (owner == IWL_OWNERSHIP_TM) { + priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; + priv->ucode_owner = owner; + } else { + IWL_ERR(priv, "Invalid owner\n"); return -EINVAL; } return 0; } +static int iwl_testmode_indirect_read(struct iwl_priv *priv, u32 addr, u32 size) +{ + struct iwl_trans *trans = trans(priv); + unsigned long flags; + int i; + + if (size & 0x3) + return -EINVAL; + priv->testmode_mem.buff_size = size; + priv->testmode_mem.buff_addr = + kmalloc(priv->testmode_mem.buff_size, GFP_KERNEL); + if (priv->testmode_mem.buff_addr == NULL) + return -ENOMEM; + + /* Hard-coded periphery absolute address */ + if (IWL_TM_ABS_PRPH_START <= addr && + addr < IWL_TM_ABS_PRPH_START + PRPH_END) { + spin_lock_irqsave(&trans->reg_lock, flags); + iwl_grab_nic_access(trans); + iwl_write32(trans, HBUS_TARG_PRPH_RADDR, + addr | (3 << 24)); + for (i = 0; i < size; i += 4) + *(u32 *)(priv->testmode_mem.buff_addr + i) = + iwl_read32(trans, HBUS_TARG_PRPH_RDAT); + iwl_release_nic_access(trans); + spin_unlock_irqrestore(&trans->reg_lock, flags); + } else { /* target memory (SRAM) */ + _iwl_read_targ_mem_words(trans, addr, + priv->testmode_mem.buff_addr, + priv->testmode_mem.buff_size / 4); + } + + priv->testmode_mem.num_chunks = + DIV_ROUND_UP(priv->testmode_mem.buff_size, DUMP_CHUNK_SIZE); + priv->testmode_mem.read_in_progress = true; + return 0; + +} + +static int iwl_testmode_indirect_write(struct iwl_priv *priv, u32 addr, + u32 size, unsigned char *buf) +{ + struct iwl_trans *trans = trans(priv); + u32 val, i; + unsigned long flags; + + if (IWL_TM_ABS_PRPH_START <= addr && + addr < IWL_TM_ABS_PRPH_START + PRPH_END) { + /* Periphery writes can be 1-3 bytes long, or DWORDs */ + if (size < 4) { + memcpy(&val, buf, size); + spin_lock_irqsave(&trans->reg_lock, flags); + iwl_grab_nic_access(trans); + iwl_write32(trans, HBUS_TARG_PRPH_WADDR, + (addr & 0x0000FFFF) | + ((size - 1) << 24)); + iwl_write32(trans, HBUS_TARG_PRPH_WDAT, val); + iwl_release_nic_access(trans); + /* needed after consecutive writes w/o read */ + mmiowb(); + spin_unlock_irqrestore(&trans->reg_lock, flags); + } else { + if (size % 4) + return -EINVAL; + for (i = 0; i < size; i += 4) + iwl_write_prph(trans, addr+i, + *(u32 *)(buf+i)); + } + } else if (iwlagn_hw_valid_rtc_data_addr(addr) || + (IWLAGN_RTC_INST_LOWER_BOUND <= addr && + addr < IWLAGN_RTC_INST_UPPER_BOUND)) { + _iwl_write_targ_mem_words(trans, addr, buf, size/4); + } else + return -EINVAL; + return 0; +} + /* * This function handles the user application commands for SRAM data dump * @@ -730,83 +870,60 @@ static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb) * @hw: ieee80211_hw object that represents the device * @tb: gnl message fields from the user space */ -static int iwl_testmode_sram(struct ieee80211_hw *hw, struct nlattr **tb) +static int iwl_testmode_indirect_mem(struct ieee80211_hw *hw, + struct nlattr **tb) { - struct iwl_priv *priv = hw->priv; - u32 base, ofs, size, maxsize; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); + u32 addr, size, cmd; + unsigned char *buf; - if (priv->testmode_sram.sram_readed) + /* Both read and write should be blocked, for atomicity */ + if (priv->testmode_mem.read_in_progress) return -EBUSY; - if (!tb[IWL_TM_ATTR_SRAM_ADDR]) { - IWL_DEBUG_INFO(priv, "Error finding SRAM offset address\n"); + cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); + if (!tb[IWL_TM_ATTR_MEM_ADDR]) { + IWL_ERR(priv, "Error finding memory offset address\n"); return -ENOMSG; } - ofs = nla_get_u32(tb[IWL_TM_ATTR_SRAM_ADDR]); - if (!tb[IWL_TM_ATTR_SRAM_SIZE]) { - IWL_DEBUG_INFO(priv, "Error finding size for SRAM reading\n"); + addr = nla_get_u32(tb[IWL_TM_ATTR_MEM_ADDR]); + if (!tb[IWL_TM_ATTR_BUFFER_SIZE]) { + IWL_ERR(priv, "Error finding size for memory reading\n"); return -ENOMSG; } - size = nla_get_u32(tb[IWL_TM_ATTR_SRAM_SIZE]); - switch (priv->shrd->ucode_type) { - case IWL_UCODE_REGULAR: - maxsize = trans(priv)->ucode_rt.data.len; - break; - case IWL_UCODE_INIT: - maxsize = trans(priv)->ucode_init.data.len; - break; - case IWL_UCODE_WOWLAN: - maxsize = trans(priv)->ucode_wowlan.data.len; - break; - case IWL_UCODE_NONE: - IWL_DEBUG_INFO(priv, "Error, uCode does not been loaded\n"); - return -ENOSYS; - default: - IWL_DEBUG_INFO(priv, "Error, unsupported uCode type\n"); - return -ENOSYS; - } - if ((ofs + size) > maxsize) { - IWL_DEBUG_INFO(priv, "Invalid offset/size: out of range\n"); - return -EINVAL; - } - priv->testmode_sram.buff_size = (size / 4) * 4; - priv->testmode_sram.buff_addr = - kmalloc(priv->testmode_sram.buff_size, GFP_KERNEL); - if (priv->testmode_sram.buff_addr == NULL) { - IWL_DEBUG_INFO(priv, "Error allocating memory\n"); - return -ENOMEM; + size = nla_get_u32(tb[IWL_TM_ATTR_BUFFER_SIZE]); + + if (cmd == IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ) + return iwl_testmode_indirect_read(priv, addr, size); + else { + if (!tb[IWL_TM_ATTR_BUFFER_DUMP]) + return -EINVAL; + buf = (unsigned char *) nla_data(tb[IWL_TM_ATTR_BUFFER_DUMP]); + return iwl_testmode_indirect_write(priv, addr, size, buf); } - base = 0x800000; - _iwl_read_targ_mem_words(bus(priv), base + ofs, - priv->testmode_sram.buff_addr, - priv->testmode_sram.buff_size / 4); - priv->testmode_sram.num_chunks = - DIV_ROUND_UP(priv->testmode_sram.buff_size, DUMP_CHUNK_SIZE); - priv->testmode_sram.sram_readed = true; - return 0; } -static int iwl_testmode_sram_dump(struct ieee80211_hw *hw, struct nlattr **tb, - struct sk_buff *skb, - struct netlink_callback *cb) +static int iwl_testmode_buffer_dump(struct ieee80211_hw *hw, + struct sk_buff *skb, + struct netlink_callback *cb) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); int idx, length; - if (priv->testmode_sram.sram_readed) { + if (priv->testmode_mem.read_in_progress) { idx = cb->args[4]; - if (idx >= priv->testmode_sram.num_chunks) { - iwl_sram_cleanup(priv); + if (idx >= priv->testmode_mem.num_chunks) { + iwl_mem_cleanup(priv); return -ENOENT; } length = DUMP_CHUNK_SIZE; - if (((idx + 1) == priv->testmode_sram.num_chunks) && - (priv->testmode_sram.buff_size % DUMP_CHUNK_SIZE)) - length = priv->testmode_sram.buff_size % + if (((idx + 1) == priv->testmode_mem.num_chunks) && + (priv->testmode_mem.buff_size % DUMP_CHUNK_SIZE)) + length = priv->testmode_mem.buff_size % DUMP_CHUNK_SIZE; - NLA_PUT(skb, IWL_TM_ATTR_SRAM_DUMP, length, - priv->testmode_sram.buff_addr + + NLA_PUT(skb, IWL_TM_ATTR_BUFFER_DUMP, length, + priv->testmode_mem.buff_addr + (DUMP_CHUNK_SIZE * idx)); idx++; cb->args[4] = idx; @@ -818,6 +935,20 @@ static int iwl_testmode_sram_dump(struct ieee80211_hw *hw, struct nlattr **tb, return -ENOBUFS; } +static int iwl_testmode_notifications(struct ieee80211_hw *hw, + struct nlattr **tb) +{ + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); + bool enable; + + enable = nla_get_flag(tb[IWL_TM_ATTR_ENABLE_NOTIFICATION]); + if (enable) + priv->pre_rx_handler = iwl_testmode_ucode_rx_pkt; + else + priv->pre_rx_handler = NULL; + return 0; +} + /* The testmode gnl message handler that takes the gnl message from the * user space and parses it per the policy iwl_testmode_gnl_msg_policy, then @@ -841,24 +972,23 @@ static int iwl_testmode_sram_dump(struct ieee80211_hw *hw, struct nlattr **tb, int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) { struct nlattr *tb[IWL_TM_ATTR_MAX]; - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); int result; result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len, iwl_testmode_gnl_msg_policy); if (result != 0) { - IWL_DEBUG_INFO(priv, - "Error parsing the gnl message : %d\n", result); + IWL_ERR(priv, "Error parsing the gnl message : %d\n", result); return result; } /* IWL_TM_ATTR_COMMAND is absolutely mandatory */ if (!tb[IWL_TM_ATTR_COMMAND]) { - IWL_DEBUG_INFO(priv, "Error finding testmode command type\n"); + IWL_ERR(priv, "Missing testmode command type\n"); return -ENOMSG; } /* in case multiple accesses to the device happens */ - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); switch (nla_get_u32(tb[IWL_TM_ATTR_COMMAND])) { case IWL_TM_CMD_APP2DEV_UCODE: @@ -868,8 +998,6 @@ int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) case IWL_TM_CMD_APP2DEV_DIRECT_REG_READ32: case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE32: case IWL_TM_CMD_APP2DEV_DIRECT_REG_WRITE8: - case IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32: - case IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32: IWL_DEBUG_INFO(priv, "testmode cmd to register\n"); result = iwl_testmode_reg(hw, tb); break; @@ -882,6 +1010,7 @@ int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) case IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: case IWL_TM_CMD_APP2DEV_GET_FW_VERSION: case IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: + case IWL_TM_CMD_APP2DEV_GET_FW_INFO: IWL_DEBUG_INFO(priv, "testmode cmd to driver\n"); result = iwl_testmode_driver(hw, tb); break; @@ -898,18 +1027,26 @@ int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len) result = iwl_testmode_ownership(hw, tb); break; - case IWL_TM_CMD_APP2DEV_READ_SRAM: - IWL_DEBUG_INFO(priv, "testmode sram read cmd to driver\n"); - result = iwl_testmode_sram(hw, tb); + case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ: + case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE: + IWL_DEBUG_INFO(priv, "testmode indirect memory cmd " + "to driver\n"); + result = iwl_testmode_indirect_mem(hw, tb); + break; + + case IWL_TM_CMD_APP2DEV_NOTIFICATIONS: + IWL_DEBUG_INFO(priv, "testmode notifications cmd " + "to driver\n"); + result = iwl_testmode_notifications(hw, tb); break; default: - IWL_DEBUG_INFO(priv, "Unknown testmode command\n"); + IWL_ERR(priv, "Unknown testmode command\n"); result = -ENOSYS; break; } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); return result; } @@ -918,7 +1055,7 @@ int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, void *data, int len) { struct nlattr *tb[IWL_TM_ATTR_MAX]; - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); int result; u32 cmd; @@ -929,15 +1066,14 @@ int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len, iwl_testmode_gnl_msg_policy); if (result) { - IWL_DEBUG_INFO(priv, - "Error parsing the gnl message : %d\n", result); + IWL_ERR(priv, + "Error parsing the gnl message : %d\n", result); return result; } /* IWL_TM_ATTR_COMMAND is absolutely mandatory */ if (!tb[IWL_TM_ATTR_COMMAND]) { - IWL_DEBUG_INFO(priv, - "Error finding testmode command type\n"); + IWL_ERR(priv, "Missing testmode command type\n"); return -ENOMSG; } cmd = nla_get_u32(tb[IWL_TM_ATTR_COMMAND]); @@ -945,21 +1081,21 @@ int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb, } /* in case multiple accesses to the device happens */ - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); switch (cmd) { case IWL_TM_CMD_APP2DEV_READ_TRACE: IWL_DEBUG_INFO(priv, "uCode trace cmd to driver\n"); - result = iwl_testmode_trace_dump(hw, tb, skb, cb); + result = iwl_testmode_trace_dump(hw, skb, cb); break; - case IWL_TM_CMD_APP2DEV_DUMP_SRAM: + case IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP: IWL_DEBUG_INFO(priv, "testmode sram dump cmd to driver\n"); - result = iwl_testmode_sram_dump(hw, tb, skb, cb); + result = iwl_testmode_buffer_dump(hw, skb, cb); break; default: result = -EINVAL; break; } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); return result; } diff --git a/drivers/net/wireless/iwlwifi/iwl-testmode.h b/drivers/net/wireless/iwlwifi/iwl-testmode.h index 26138f110340..6ba211b09426 100644 --- a/drivers/net/wireless/iwlwifi/iwl-testmode.h +++ b/drivers/net/wireless/iwlwifi/iwl-testmode.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2010 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2010 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2010 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -99,7 +99,7 @@ * to user application * @IWL_TM_CMD_DEV2APP_UCODE_RX_PKT: * commands from kernel space to multicast the spontaneous messages - * to user application + * to user application, or reply of host commands * @IWL_TM_CMD_DEV2APP_EEPROM_RSP: * commands from kernel space to carry the eeprom response * to user application @@ -109,18 +109,22 @@ * if application has the ownership, the only host command from * testmode will deliver to uCode. Default owner is driver * - * @IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32: - * @IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32: - * commands from user applicaiton to indirectly access peripheral register - * - * @IWL_TM_CMD_APP2DEV_READ_SRAM: - * @IWL_TM_CMD_APP2DEV_DUMP_SRAM: - * commands from user applicaiton to read data in sram - * - * @IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: load Weak On Wireless LAN uCode image + * @IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW: load Wake On Wireless LAN uCode image * @IWL_TM_CMD_APP2DEV_GET_FW_VERSION: retrieve uCode version * @IWL_TM_CMD_APP2DEV_GET_DEVICE_ID: retrieve ID information in device - * + * @IWL_TM_CMD_APP2DEV_GET_FW_INFO: + * retrieve information of existing loaded uCode image + * + * @IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ: + * @IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP: + * @IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE: + * Commands to read/write data from periphery or SRAM memory ranges. + * Fore reading, a READ command is sent from the userspace and the data + * is returned when the user calls a DUMP command. + * For writing, only a WRITE command is used. + * @IWL_TM_CMD_APP2DEV_NOTIFICATIONS: + * Command to enable/disable notifications (currently RX packets) from the + * driver to userspace. */ enum iwl_tm_cmd_t { IWL_TM_CMD_APP2DEV_UCODE = 1, @@ -140,14 +144,19 @@ enum iwl_tm_cmd_t { IWL_TM_CMD_DEV2APP_UCODE_RX_PKT = 15, IWL_TM_CMD_DEV2APP_EEPROM_RSP = 16, IWL_TM_CMD_APP2DEV_OWNERSHIP = 17, - IWL_TM_CMD_APP2DEV_INDIRECT_REG_READ32 = 18, - IWL_TM_CMD_APP2DEV_INDIRECT_REG_WRITE32 = 19, - IWL_TM_CMD_APP2DEV_READ_SRAM = 20, - IWL_TM_CMD_APP2DEV_DUMP_SRAM = 21, + RESERVED_18 = 18, + RESERVED_19 = 19, + RESERVED_20 = 20, + RESERVED_21 = 21, IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW = 22, IWL_TM_CMD_APP2DEV_GET_FW_VERSION = 23, IWL_TM_CMD_APP2DEV_GET_DEVICE_ID = 24, - IWL_TM_CMD_MAX = 25, + IWL_TM_CMD_APP2DEV_GET_FW_INFO = 25, + IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ = 26, + IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP = 27, + IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE = 28, + IWL_TM_CMD_APP2DEV_NOTIFICATIONS = 29, + IWL_TM_CMD_MAX = 30, }; /* @@ -168,8 +177,6 @@ enum iwl_tm_cmd_t { * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_UCODE, * The mandatory fields are : * IWL_TM_ATTR_UCODE_CMD_ID for recognizable command ID; - * IWL_TM_ATTR_COMMAND_FLAG for the flags of the commands; - * The optional fields are: * IWL_TM_ATTR_UCODE_CMD_DATA for the actual command payload * to the ucode * @@ -218,16 +225,19 @@ enum iwl_tm_cmd_t { * The mandatory fields are: * IWL_TM_ATTR_UCODE_OWNER for the new owner * - * @IWL_TM_ATTR_SRAM_ADDR: - * @IWL_TM_ATTR_SRAM_SIZE: - * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_READ_SRAM, + * @IWL_TM_ATTR_MEM_ADDR: + * @IWL_TM_ATTR_BUFFER_SIZE: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_READ + * or IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE. * The mandatory fields are: - * IWL_TM_ATTR_SRAM_ADDR for the address in sram - * IWL_TM_ATTR_SRAM_SIZE for the buffer size of data reading + * IWL_TM_ATTR_MEM_ADDR for the address in SRAM/periphery to read/write + * IWL_TM_ATTR_BUFFER_SIZE for the buffer size of data to read/write. * - * @IWL_TM_ATTR_SRAM_DUMP: - * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_DUMP_SRAM, - * IWL_TM_ATTR_SRAM_DUMP for the data in sram + * @IWL_TM_ATTR_BUFFER_DUMP: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_DUMP, + * IWL_TM_ATTR_BUFFER_DUMP is used for the data that was read. + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_INDIRECT_BUFFER_WRITE, + * this attribute contains the data to write. * * @IWL_TM_ATTR_FW_VERSION: * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_GET_FW_VERSION, @@ -237,6 +247,23 @@ enum iwl_tm_cmd_t { * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_GET_DEVICE_ID, * IWL_TM_ATTR_DEVICE_ID for the device ID information * + * @IWL_TM_ATTR_FW_TYPE: + * @IWL_TM_ATTR_FW_INST_SIZE: + * @IWL_TM_ATTR_FW_DATA_SIZE: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_GET_FW_INFO, + * The mandatory fields are: + * IWL_TM_ATTR_FW_TYPE for the uCode type (INIT/RUNTIME/...) + * IWL_TM_ATTR_FW_INST_SIZE for the size of instruction section + * IWL_TM_ATTR_FW_DATA_SIZE for the size of data section + * + * @IWL_TM_ATTR_UCODE_CMD_SKB: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_UCODE this flag + * indicates that the user wants to receive the response of the command + * in a reply SKB. If it's not present, the response is not returned. + * @IWL_TM_ATTR_ENABLE_NOTIFICATIONS: + * When IWL_TM_ATTR_COMMAND is IWL_TM_CMD_APP2DEV_NOTIFICATIONS, this + * flag enables (if present) or disables (if not) the forwarding + * to userspace. */ enum iwl_tm_attr_t { IWL_TM_ATTR_NOT_APPLICABLE = 0, @@ -254,12 +281,17 @@ enum iwl_tm_attr_t { IWL_TM_ATTR_TRACE_DUMP = 12, IWL_TM_ATTR_FIXRATE = 13, IWL_TM_ATTR_UCODE_OWNER = 14, - IWL_TM_ATTR_SRAM_ADDR = 15, - IWL_TM_ATTR_SRAM_SIZE = 16, - IWL_TM_ATTR_SRAM_DUMP = 17, + IWL_TM_ATTR_MEM_ADDR = 15, + IWL_TM_ATTR_BUFFER_SIZE = 16, + IWL_TM_ATTR_BUFFER_DUMP = 17, IWL_TM_ATTR_FW_VERSION = 18, IWL_TM_ATTR_DEVICE_ID = 19, - IWL_TM_ATTR_MAX = 20, + IWL_TM_ATTR_FW_TYPE = 20, + IWL_TM_ATTR_FW_INST_SIZE = 21, + IWL_TM_ATTR_FW_DATA_SIZE = 22, + IWL_TM_ATTR_UCODE_CMD_SKB = 23, + IWL_TM_ATTR_ENABLE_NOTIFICATION = 24, + IWL_TM_ATTR_MAX = 25, }; /* uCode trace buffer */ @@ -271,4 +303,7 @@ enum iwl_tm_attr_t { /* Maximum data size of each dump it packet */ #define DUMP_CHUNK_SIZE (PAGE_SIZE - 1024) +/* Address offset of data segment in SRAM */ +#define SRAM_DATA_SEG_OFFSET 0x800000 + #endif diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h index f6debf91d7b5..1c2fe87bd7e2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -32,6 +32,7 @@ #include <linux/spinlock.h> #include <linux/interrupt.h> #include <linux/skbuff.h> +#include <linux/wait.h> #include <linux/pci.h> #include "iwl-fh.h" @@ -40,6 +41,7 @@ #include "iwl-trans.h" #include "iwl-debug.h" #include "iwl-io.h" +#include "iwl-op-mode.h" struct iwl_tx_queue; struct iwl_queue; @@ -48,6 +50,12 @@ struct iwl_host_cmd; /*This file includes the declaration that are internal to the * trans_pcie layer */ +struct iwl_rx_mem_buffer { + dma_addr_t page_dma; + struct page *page; + struct list_head list; +}; + /** * struct isr_statistics - interrupt statistics * @@ -108,6 +116,26 @@ struct iwl_dma_ptr { size_t size; }; +/** + * iwl_queue_inc_wrap - increment queue index, wrap back to beginning + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl_queue_inc_wrap(int index, int n_bd) +{ + return ++index & (n_bd - 1); +} + +/** + * iwl_queue_dec_wrap - decrement queue index, wrap back to end + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl_queue_dec_wrap(int index, int n_bd) +{ + return --index & (n_bd - 1); +} + /* * This queue number is required for proper operation * because the ucode will stop/start the scheduler as @@ -168,6 +196,7 @@ struct iwl_queue { * @meta: array of meta data for each command/tx buffer * @dma_addr_cmd: physical address of cmd/tx buffer array * @txb: array of per-TFD driver data + * lock: queue lock * @time_stamp: time (in jiffies) of last read_ptr change * @need_update: indicates need to update read/write index * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled @@ -186,6 +215,7 @@ struct iwl_tx_queue { struct iwl_device_cmd **cmd; struct iwl_cmd_meta *meta; struct sk_buff **skbs; + spinlock_t lock; unsigned long time_stamp; u8 need_update; u8 sched_retry; @@ -201,6 +231,8 @@ struct iwl_tx_queue { * @rxq: all the RX queue data * @rx_replenish: work that will be called when buffers need to be allocated * @trans: pointer to the generic transport area + * @irq - the irq number for the device + * @irq_requested: true when the irq has been requested * @scd_base_addr: scheduler sram base address in SRAM * @scd_bc_tbls: pointer to the byte count table of the scheduler * @kw: keep warm address @@ -211,6 +243,12 @@ struct iwl_tx_queue { * @txq_ctx_active_msk: what queue is active * queue_stopped: tracks what queue is stopped * queue_stop_count: tracks what SW queue is stopped + * @pci_dev: basic pci-network driver stuff + * @hw_base: pci hardware address support + * @ucode_write_complete: indicates that the ucode has been copied. + * @ucode_write_waitq: wait queue for uCode load + * @status - transport specific status flags + * @cmd_queue - command queue number */ struct iwl_trans_pcie { struct iwl_rx_queue rxq; @@ -223,9 +261,12 @@ struct iwl_trans_pcie { int ict_index; u32 inta; bool use_ict; + bool irq_requested; struct tasklet_struct irq_tasklet; struct isr_statistics isr_stats; + unsigned int irq; + spinlock_t irq_lock; u32 inta_mask; u32 scd_base_addr; struct iwl_dma_ptr scd_bc_tbls; @@ -241,6 +282,17 @@ struct iwl_trans_pcie { #define IWL_MAX_HW_QUEUES 32 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)]; atomic_t queue_stop_count[4]; + + /* PCI bus related data */ + struct pci_dev *pci_dev; + void __iomem *hw_base; + + bool ucode_write_complete; + wait_queue_head_t ucode_write_waitq; + unsigned long status; + u8 cmd_queue; + u8 n_no_reclaim_cmds; + u8 no_reclaim_cmds[MAX_NO_RECLAIM_CMDS]; }; #define IWL_TRANS_GET_PCIE_TRANS(_iwl_trans) \ @@ -258,7 +310,7 @@ void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans, /***************************************************** * ICT ******************************************************/ -int iwl_reset_ict(struct iwl_trans *trans); +void iwl_reset_ict(struct iwl_trans *trans); void iwl_disable_ict(struct iwl_trans *trans); int iwl_alloc_isr_ict(struct iwl_trans *trans); void iwl_free_isr_ict(struct iwl_trans *trans); @@ -275,7 +327,7 @@ int iwlagn_txq_attach_buf_to_tfd(struct iwl_trans *trans, int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id); int iwl_trans_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd); void iwl_tx_cmd_complete(struct iwl_trans *trans, - struct iwl_rx_mem_buffer *rxb, int handler_status); + struct iwl_rx_cmd_buffer *rxb, int handler_status); void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans, struct iwl_tx_queue *txq, u16 byte_cnt); @@ -308,26 +360,32 @@ void iwl_dump_csr(struct iwl_trans *trans); ******************************************************/ static inline void iwl_disable_interrupts(struct iwl_trans *trans) { - clear_bit(STATUS_INT_ENABLED, &trans->shrd->status); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + clear_bit(STATUS_INT_ENABLED, &trans_pcie->status); /* disable interrupts from uCode/NIC to host */ - iwl_write32(bus(trans), CSR_INT_MASK, 0x00000000); + iwl_write32(trans, CSR_INT_MASK, 0x00000000); /* acknowledge/clear/reset any interrupts still pending * from uCode or flow handler (Rx/Tx DMA) */ - iwl_write32(bus(trans), CSR_INT, 0xffffffff); - iwl_write32(bus(trans), CSR_FH_INT_STATUS, 0xffffffff); + iwl_write32(trans, CSR_INT, 0xffffffff); + iwl_write32(trans, CSR_FH_INT_STATUS, 0xffffffff); IWL_DEBUG_ISR(trans, "Disabled interrupts\n"); } static inline void iwl_enable_interrupts(struct iwl_trans *trans) { - struct iwl_trans_pcie *trans_pcie = - IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); IWL_DEBUG_ISR(trans, "Enabling interrupts\n"); - set_bit(STATUS_INT_ENABLED, &trans->shrd->status); - iwl_write32(bus(trans), CSR_INT_MASK, trans_pcie->inta_mask); + set_bit(STATUS_INT_ENABLED, &trans_pcie->status); + iwl_write32(trans, CSR_INT_MASK, trans_pcie->inta_mask); +} + +static inline void iwl_enable_rfkill_int(struct iwl_trans *trans) +{ + IWL_DEBUG_ISR(trans, "Enabling rfkill interrupt\n"); + iwl_write32(trans, CSR_INT_MASK, CSR_INT_BIT_RF_KILL); } /* @@ -355,7 +413,7 @@ static inline u8 iwl_get_queue_ac(struct iwl_tx_queue *txq) } static inline void iwl_wake_queue(struct iwl_trans *trans, - struct iwl_tx_queue *txq, const char *msg) + struct iwl_tx_queue *txq) { u8 queue = txq->swq_id; u8 ac = queue & 3; @@ -365,20 +423,20 @@ static inline void iwl_wake_queue(struct iwl_trans *trans, if (test_and_clear_bit(hwq, trans_pcie->queue_stopped)) { if (atomic_dec_return(&trans_pcie->queue_stop_count[ac]) <= 0) { - iwl_wake_sw_queue(priv(trans), ac); - IWL_DEBUG_TX_QUEUES(trans, "Wake hwq %d ac %d. %s", - hwq, ac, msg); + iwl_op_mode_queue_not_full(trans->op_mode, ac); + IWL_DEBUG_TX_QUEUES(trans, "Wake hwq %d ac %d", + hwq, ac); } else { - IWL_DEBUG_TX_QUEUES(trans, "Don't wake hwq %d ac %d" - " stop count %d. %s", - hwq, ac, atomic_read(&trans_pcie-> - queue_stop_count[ac]), msg); + IWL_DEBUG_TX_QUEUES(trans, + "Don't wake hwq %d ac %d stop count %d", + hwq, ac, + atomic_read(&trans_pcie->queue_stop_count[ac])); } } } static inline void iwl_stop_queue(struct iwl_trans *trans, - struct iwl_tx_queue *txq, const char *msg) + struct iwl_tx_queue *txq) { u8 queue = txq->swq_id; u8 ac = queue & 3; @@ -388,35 +446,23 @@ static inline void iwl_stop_queue(struct iwl_trans *trans, if (!test_and_set_bit(hwq, trans_pcie->queue_stopped)) { if (atomic_inc_return(&trans_pcie->queue_stop_count[ac]) > 0) { - iwl_stop_sw_queue(priv(trans), ac); - IWL_DEBUG_TX_QUEUES(trans, "Stop hwq %d ac %d" - " stop count %d. %s", - hwq, ac, atomic_read(&trans_pcie-> - queue_stop_count[ac]), msg); + iwl_op_mode_queue_full(trans->op_mode, ac); + IWL_DEBUG_TX_QUEUES(trans, + "Stop hwq %d ac %d stop count %d", + hwq, ac, + atomic_read(&trans_pcie->queue_stop_count[ac])); } else { - IWL_DEBUG_TX_QUEUES(trans, "Don't stop hwq %d ac %d" - " stop count %d. %s", - hwq, ac, atomic_read(&trans_pcie-> - queue_stop_count[ac]), msg); + IWL_DEBUG_TX_QUEUES(trans, + "Don't stop hwq %d ac %d stop count %d", + hwq, ac, + atomic_read(&trans_pcie->queue_stop_count[ac])); } } else { - IWL_DEBUG_TX_QUEUES(trans, "stop hwq %d, but it is stopped/ %s", - hwq, msg); + IWL_DEBUG_TX_QUEUES(trans, "stop hwq %d, but it is stopped", + hwq); } } -#ifdef ieee80211_stop_queue -#undef ieee80211_stop_queue -#endif - -#define ieee80211_stop_queue DO_NOT_USE_ieee80211_stop_queue - -#ifdef ieee80211_wake_queue -#undef ieee80211_wake_queue -#endif - -#define ieee80211_wake_queue DO_NOT_USE_ieee80211_wake_queue - static inline void iwl_txq_ctx_activate(struct iwl_trans_pcie *trans_pcie, int txq_id) { diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c index 65d1f05007be..8b1a7988e176 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -30,10 +30,14 @@ #include <linux/wait.h> #include <linux/gfp.h> -/*TODO: Remove include to iwl-core.h*/ -#include "iwl-core.h" +#include "iwl-prph.h" #include "iwl-io.h" #include "iwl-trans-pcie-int.h" +#include "iwl-op-mode.h" + +#ifdef CONFIG_IWLWIFI_IDI +#include "iwl-amfh.h" +#endif /****************************************************************************** * @@ -136,34 +140,34 @@ void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans, if (q->need_update == 0) goto exit_unlock; - if (hw_params(trans).shadow_reg_enable) { + if (cfg(trans)->base_params->shadow_reg_enable) { /* shadow register enabled */ /* Device expects a multiple of 8 */ q->write_actual = (q->write & ~0x7); - iwl_write32(bus(trans), FH_RSCSR_CHNL0_WPTR, q->write_actual); + iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, q->write_actual); } else { /* If power-saving is in use, make sure device is awake */ if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) { - reg = iwl_read32(bus(trans), CSR_UCODE_DRV_GP1); + reg = iwl_read32(trans, CSR_UCODE_DRV_GP1); if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { IWL_DEBUG_INFO(trans, "Rx queue requesting wakeup," " GP1 = 0x%x\n", reg); - iwl_set_bit(bus(trans), CSR_GP_CNTRL, + iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); goto exit_unlock; } q->write_actual = (q->write & ~0x7); - iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_WPTR, + iwl_write_direct32(trans, FH_RSCSR_CHNL0_WPTR, q->write_actual); /* Else device is assumed to be awake */ } else { /* Device expects a multiple of 8 */ q->write_actual = (q->write & ~0x7); - iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_WPTR, + iwl_write_direct32(trans, FH_RSCSR_CHNL0_WPTR, q->write_actual); } } @@ -223,7 +227,7 @@ static void iwlagn_rx_queue_restock(struct iwl_trans *trans) /* If the pre-allocated buffer pool is dropping low, schedule to * refill it */ if (rxq->free_count <= RX_LOW_WATERMARK) - queue_work(trans->shrd->workqueue, &trans_pcie->rx_replenish); + schedule_work(&trans_pcie->rx_replenish); /* If we've added more space for the firmware to place data, tell it. @@ -308,7 +312,7 @@ static void iwlagn_rx_allocate(struct iwl_trans *trans, gfp_t priority) BUG_ON(rxb->page); rxb->page = page; /* Get physical address of the RB */ - rxb->page_dma = dma_map_page(bus(trans)->dev, page, 0, + rxb->page_dma = dma_map_page(trans->dev, page, 0, PAGE_SIZE << hw_params(trans).rx_page_order, DMA_FROM_DEVICE); /* dma address must be no more than 36 bits */ @@ -327,13 +331,14 @@ static void iwlagn_rx_allocate(struct iwl_trans *trans, gfp_t priority) void iwlagn_rx_replenish(struct iwl_trans *trans) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); unsigned long flags; iwlagn_rx_allocate(trans, GFP_KERNEL); - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); iwlagn_rx_queue_restock(trans); - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); } static void iwlagn_rx_replenish_now(struct iwl_trans *trans) @@ -347,14 +352,108 @@ void iwl_bg_rx_replenish(struct work_struct *data) { struct iwl_trans_pcie *trans_pcie = container_of(data, struct iwl_trans_pcie, rx_replenish); - struct iwl_trans *trans = trans_pcie->trans; - if (test_bit(STATUS_EXIT_PENDING, &trans->shrd->status)) + iwlagn_rx_replenish(trans_pcie->trans); +} + +static void iwl_rx_handle_rxbuf(struct iwl_trans *trans, + struct iwl_rx_mem_buffer *rxb) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rx_queue *rxq = &trans_pcie->rxq; + struct iwl_tx_queue *txq = &trans_pcie->txq[trans_pcie->cmd_queue]; + struct iwl_device_cmd *cmd; + unsigned long flags; + int len, err; + u16 sequence; + struct iwl_rx_cmd_buffer rxcb; + struct iwl_rx_packet *pkt; + bool reclaim; + int index, cmd_index; + + if (WARN_ON(!rxb)) return; - mutex_lock(&trans->shrd->mutex); - iwlagn_rx_replenish(trans); - mutex_unlock(&trans->shrd->mutex); + dma_unmap_page(trans->dev, rxb->page_dma, + PAGE_SIZE << hw_params(trans).rx_page_order, + DMA_FROM_DEVICE); + + rxcb._page = rxb->page; + pkt = rxb_addr(&rxcb); + + IWL_DEBUG_RX(trans, "%s, 0x%02x\n", + get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd); + + + len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; + len += sizeof(u32); /* account for status word */ + trace_iwlwifi_dev_rx(trans->dev, pkt, len); + + /* Reclaim a command buffer only if this packet is a response + * to a (driver-originated) command. + * If the packet (e.g. Rx frame) originated from uCode, + * there is no command buffer to reclaim. + * Ucode should set SEQ_RX_FRAME bit if ucode-originated, + * but apparently a few don't get set; catch them here. */ + reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME); + if (reclaim) { + int i; + + for (i = 0; i < trans_pcie->n_no_reclaim_cmds; i++) { + if (trans_pcie->no_reclaim_cmds[i] == pkt->hdr.cmd) { + reclaim = false; + break; + } + } + } + + sequence = le16_to_cpu(pkt->hdr.sequence); + index = SEQ_TO_INDEX(sequence); + cmd_index = get_cmd_index(&txq->q, index); + + if (reclaim) + cmd = txq->cmd[cmd_index]; + else + cmd = NULL; + + err = iwl_op_mode_rx(trans->op_mode, &rxcb, cmd); + + /* + * XXX: After here, we should always check rxcb._page + * against NULL before touching it or its virtual + * memory (pkt). Because some rx_handler might have + * already taken or freed the pages. + */ + + if (reclaim) { + /* Invoke any callbacks, transfer the buffer to caller, + * and fire off the (possibly) blocking + * iwl_trans_send_cmd() + * as we reclaim the driver command queue */ + if (rxcb._page) + iwl_tx_cmd_complete(trans, &rxcb, err); + else + IWL_WARN(trans, "Claim null rxb?\n"); + } + + /* page was stolen from us */ + if (rxcb._page == NULL) + rxb->page = NULL; + + /* Reuse the page if possible. For notification packets and + * SKBs that fail to Rx correctly, add them back into the + * rx_free list for reuse later. */ + spin_lock_irqsave(&rxq->lock, flags); + if (rxb->page != NULL) { + rxb->page_dma = + dma_map_page(trans->dev, rxb->page, 0, + PAGE_SIZE << hw_params(trans).rx_page_order, + DMA_FROM_DEVICE); + list_add_tail(&rxb->list, &rxq->rx_free); + rxq->free_count++; + } else + list_add_tail(&rxb->list, &rxq->rx_used); + spin_unlock_irqrestore(&rxq->lock, flags); } /** @@ -366,20 +465,12 @@ void iwl_bg_rx_replenish(struct work_struct *data) */ static void iwl_rx_handle(struct iwl_trans *trans) { - struct iwl_rx_mem_buffer *rxb; - struct iwl_rx_packet *pkt; - struct iwl_trans_pcie *trans_pcie = - IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rx_queue *rxq = &trans_pcie->rxq; - struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue]; - struct iwl_device_cmd *cmd; u32 r, i; - int reclaim; - unsigned long flags; u8 fill_rx = 0; u32 count = 8; int total_empty; - int index, cmd_index; /* uCode's read index (stored in shared DRAM) indicates the last Rx * buffer that the driver may process (last buffer filled by ucode). */ @@ -399,102 +490,14 @@ static void iwl_rx_handle(struct iwl_trans *trans) fill_rx = 1; while (i != r) { - int len, err; - u16 sequence; + struct iwl_rx_mem_buffer *rxb; rxb = rxq->queue[i]; - - /* If an RXB doesn't have a Rx queue slot associated with it, - * then a bug has been introduced in the queue refilling - * routines -- catch it here */ - if (WARN_ON(rxb == NULL)) { - i = (i + 1) & RX_QUEUE_MASK; - continue; - } - rxq->queue[i] = NULL; - dma_unmap_page(bus(trans)->dev, rxb->page_dma, - PAGE_SIZE << hw_params(trans).rx_page_order, - DMA_FROM_DEVICE); - pkt = rxb_addr(rxb); - - IWL_DEBUG_RX(trans, "r = %d, i = %d, %s, 0x%02x\n", r, - i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd); - - len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; - len += sizeof(u32); /* account for status word */ - trace_iwlwifi_dev_rx(priv(trans), pkt, len); - - /* Reclaim a command buffer only if this packet is a response - * to a (driver-originated) command. - * If the packet (e.g. Rx frame) originated from uCode, - * there is no command buffer to reclaim. - * Ucode should set SEQ_RX_FRAME bit if ucode-originated, - * but apparently a few don't get set; catch them here. */ - reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME) && - (pkt->hdr.cmd != REPLY_RX_PHY_CMD) && - (pkt->hdr.cmd != REPLY_RX) && - (pkt->hdr.cmd != REPLY_RX_MPDU_CMD) && - (pkt->hdr.cmd != REPLY_COMPRESSED_BA) && - (pkt->hdr.cmd != STATISTICS_NOTIFICATION) && - (pkt->hdr.cmd != REPLY_TX); - - sequence = le16_to_cpu(pkt->hdr.sequence); - index = SEQ_TO_INDEX(sequence); - cmd_index = get_cmd_index(&txq->q, index); - - if (reclaim) - cmd = txq->cmd[cmd_index]; - else - cmd = NULL; - - /* warn if this is cmd response / notification and the uCode - * didn't set the SEQ_RX_FRAME for a frame that is - * uCode-originated - * If you saw this code after the second half of 2012, then - * please remove it - */ - WARN(pkt->hdr.cmd != REPLY_TX && reclaim == false && - (!(pkt->hdr.sequence & SEQ_RX_FRAME)), - "reclaim is false, SEQ_RX_FRAME unset: %s\n", - get_cmd_string(pkt->hdr.cmd)); - - err = iwl_rx_dispatch(priv(trans), rxb, cmd); - - /* - * XXX: After here, we should always check rxb->page - * against NULL before touching it or its virtual - * memory (pkt). Because some rx_handler might have - * already taken or freed the pages. - */ - - if (reclaim) { - /* Invoke any callbacks, transfer the buffer to caller, - * and fire off the (possibly) blocking - * iwl_trans_send_cmd() - * as we reclaim the driver command queue */ - if (rxb->page) - iwl_tx_cmd_complete(trans, rxb, err); - else - IWL_WARN(trans, "Claim null rxb?\n"); - } - - /* Reuse the page if possible. For notification packets and - * SKBs that fail to Rx correctly, add them back into the - * rx_free list for reuse later. */ - spin_lock_irqsave(&rxq->lock, flags); - if (rxb->page != NULL) { - rxb->page_dma = dma_map_page(bus(trans)->dev, rxb->page, - 0, PAGE_SIZE << - hw_params(trans).rx_page_order, - DMA_FROM_DEVICE); - list_add_tail(&rxb->list, &rxq->rx_free); - rxq->free_count++; - } else - list_add_tail(&rxb->list, &rxq->rx_used); + IWL_DEBUG_RX(trans, "rxbuf: r = %d, i = %d (%p)\n", rxb); - spin_unlock_irqrestore(&rxq->lock, flags); + iwl_rx_handle_rxbuf(trans, rxb); i = (i + 1) & RX_QUEUE_MASK; /* If there are a lot of unused frames, @@ -590,17 +593,16 @@ static void iwl_dump_nic_error_log(struct iwl_trans *trans) { u32 base; struct iwl_error_event_table table; - struct iwl_priv *priv = priv(trans); struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); base = trans->shrd->device_pointers.error_event_table; if (trans->shrd->ucode_type == IWL_UCODE_INIT) { if (!base) - base = priv->init_errlog_ptr; + base = trans->shrd->fw->init_errlog_ptr; } else { if (!base) - base = priv->inst_errlog_ptr; + base = trans->shrd->fw->inst_errlog_ptr; } if (!iwlagn_hw_valid_rtc_data_addr(base)) { @@ -612,7 +614,7 @@ static void iwl_dump_nic_error_log(struct iwl_trans *trans) return; } - iwl_read_targ_mem_words(bus(priv), base, &table, sizeof(table)); + iwl_read_targ_mem_words(trans, base, &table, sizeof(table)); if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { IWL_ERR(trans, "Start IWL Error Log Dump:\n"); @@ -622,7 +624,7 @@ static void iwl_dump_nic_error_log(struct iwl_trans *trans) trans_pcie->isr_stats.err_code = table.error_id; - trace_iwlwifi_dev_ucode_error(priv, table.error_id, table.tsf_low, + trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, table.data1, table.data2, table.line, table.blink1, table.blink2, table.ilink1, table.ilink2, table.bcon_time, table.gp1, @@ -670,12 +672,11 @@ static void iwl_dump_nic_error_log(struct iwl_trans *trans) */ static void iwl_irq_handle_error(struct iwl_trans *trans) { - struct iwl_priv *priv = priv(trans); /* W/A for WiFi/WiMAX coex and WiMAX own the RF */ - if (cfg(priv)->internal_wimax_coex && - (!(iwl_read_prph(bus(trans), APMG_CLK_CTRL_REG) & + if (cfg(trans)->internal_wimax_coex && + (!(iwl_read_prph(trans, APMG_CLK_CTRL_REG) & APMS_CLK_VAL_MRB_FUNC_MODE) || - (iwl_read_prph(bus(trans), APMG_PS_CTRL_REG) & + (iwl_read_prph(trans, APMG_PS_CTRL_REG) & APMG_PS_CTRL_VAL_RESET_REQ))) { /* * Keep the restart process from trying to send host @@ -683,24 +684,20 @@ static void iwl_irq_handle_error(struct iwl_trans *trans) */ clear_bit(STATUS_READY, &trans->shrd->status); clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); - wake_up(&priv->shrd->wait_command_queue); + wake_up(&trans->wait_command_queue); IWL_ERR(trans, "RF is used by WiMAX\n"); return; } IWL_ERR(trans, "Loaded firmware version: %s\n", - priv->hw->wiphy->fw_version); + trans->shrd->fw->fw_version); iwl_dump_nic_error_log(trans); iwl_dump_csr(trans); iwl_dump_fh(trans, NULL, false); iwl_dump_nic_event_log(trans, false, NULL, false); -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) - iwl_print_rx_config_cmd(priv(trans), IWL_RXON_CTX_BSS); -#endif - iwlagn_fw_error(priv, false); + iwl_op_mode_nic_error(trans->op_mode); } #define EVENT_START_OFFSET (4 * sizeof(u32)) @@ -719,7 +716,6 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx, u32 ptr; /* SRAM byte address of log data */ u32 ev, time, data; /* event log data */ unsigned long reg_flags; - struct iwl_priv *priv = priv(trans); if (num_events == 0) return pos; @@ -727,10 +723,10 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx, base = trans->shrd->device_pointers.log_event_table; if (trans->shrd->ucode_type == IWL_UCODE_INIT) { if (!base) - base = priv->init_evtlog_ptr; + base = trans->shrd->fw->init_evtlog_ptr; } else { if (!base) - base = priv->inst_evtlog_ptr; + base = trans->shrd->fw->inst_evtlog_ptr; } if (mode == 0) @@ -741,18 +737,18 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx, ptr = base + EVENT_START_OFFSET + (start_idx * event_size); /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&bus(trans)->reg_lock, reg_flags); - iwl_grab_nic_access(bus(trans)); + spin_lock_irqsave(&trans->reg_lock, reg_flags); + if (unlikely(!iwl_grab_nic_access(trans))) + goto out_unlock; /* Set starting address; reads will auto-increment */ - iwl_write32(bus(trans), HBUS_TARG_MEM_RADDR, ptr); - rmb(); + iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr); /* "time" is actually "data" for mode 0 (no timestamp). * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT); - time = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT); + ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT); + time = iwl_read32(trans, HBUS_TARG_MEM_RDAT); if (mode == 0) { /* data, ev */ if (bufsz) { @@ -760,13 +756,13 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx, "EVT_LOG:0x%08x:%04u\n", time, ev); } else { - trace_iwlwifi_dev_ucode_event(priv, 0, + trace_iwlwifi_dev_ucode_event(trans->dev, 0, time, ev); IWL_ERR(trans, "EVT_LOG:0x%08x:%04u\n", time, ev); } } else { - data = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT); + data = iwl_read32(trans, HBUS_TARG_MEM_RDAT); if (bufsz) { pos += scnprintf(*buf + pos, bufsz - pos, "EVT_LOGT:%010u:0x%08x:%04u\n", @@ -774,15 +770,16 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx, } else { IWL_ERR(trans, "EVT_LOGT:%010u:0x%08x:%04u\n", time, data, ev); - trace_iwlwifi_dev_ucode_event(priv, time, + trace_iwlwifi_dev_ucode_event(trans->dev, time, data, ev); } } } /* Allow device to power down */ - iwl_release_nic_access(bus(trans)); - spin_unlock_irqrestore(&bus(trans)->reg_lock, reg_flags); + iwl_release_nic_access(trans); +out_unlock: + spin_unlock_irqrestore(&trans->reg_lock, reg_flags); return pos; } @@ -836,17 +833,16 @@ int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log, u32 logsize; int pos = 0; size_t bufsz = 0; - struct iwl_priv *priv = priv(trans); base = trans->shrd->device_pointers.log_event_table; if (trans->shrd->ucode_type == IWL_UCODE_INIT) { - logsize = priv->init_evtlog_size; + logsize = trans->shrd->fw->init_evtlog_size; if (!base) - base = priv->init_evtlog_ptr; + base = trans->shrd->fw->init_evtlog_ptr; } else { - logsize = priv->inst_evtlog_size; + logsize = trans->shrd->fw->inst_evtlog_size; if (!base) - base = priv->inst_evtlog_ptr; + base = trans->shrd->fw->inst_evtlog_ptr; } if (!iwlagn_hw_valid_rtc_data_addr(base)) { @@ -859,10 +855,10 @@ int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log, } /* event log header */ - capacity = iwl_read_targ_mem(bus(trans), base); - mode = iwl_read_targ_mem(bus(trans), base + (1 * sizeof(u32))); - num_wraps = iwl_read_targ_mem(bus(trans), base + (2 * sizeof(u32))); - next_entry = iwl_read_targ_mem(bus(trans), base + (3 * sizeof(u32))); + capacity = iwl_read_targ_mem(trans, base); + mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32))); + num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32))); + next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32))); if (capacity > logsize) { IWL_ERR(trans, "Log capacity %d is bogus, limit to %d " @@ -885,7 +881,7 @@ int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log, } #ifdef CONFIG_IWLWIFI_DEBUG - if (!(iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) && !full_log) + if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log) size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; #else @@ -905,7 +901,7 @@ int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log, if (!*buf) return -ENOMEM; } - if ((iwl_get_debug_level(trans->shrd) & IWL_DL_FW_ERRORS) || full_log) { + if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) { /* * if uCode has wrapped back to top of log, * start at the oldest entry, @@ -945,7 +941,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans) struct isr_statistics *isr_stats = &trans_pcie->isr_stats; - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); /* Ack/clear/reset pending uCode interrupts. * Note: Some bits in CSR_INT are "OR" of bits in CSR_FH_INT_STATUS, @@ -958,15 +954,15 @@ void iwl_irq_tasklet(struct iwl_trans *trans) * hardware bugs here by ACKing all the possible interrupts so that * interrupt coalescing can still be achieved. */ - iwl_write32(bus(trans), CSR_INT, + iwl_write32(trans, CSR_INT, trans_pcie->inta | ~trans_pcie->inta_mask); inta = trans_pcie->inta; #ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(trans->shrd) & IWL_DL_ISR) { + if (iwl_have_debug_level(IWL_DL_ISR)) { /* just for debug */ - inta_mask = iwl_read32(bus(trans), CSR_INT_MASK); + inta_mask = iwl_read32(trans, CSR_INT_MASK); IWL_DEBUG_ISR(trans, "inta 0x%08x, enabled 0x%08x\n ", inta, inta_mask); } @@ -975,7 +971,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans) /* saved interrupt in inta variable now we can reset trans_pcie->inta */ trans_pcie->inta = 0; - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); /* Now service all interrupt bits discovered above. */ if (inta & CSR_INT_BIT_HW_ERR) { @@ -993,7 +989,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans) } #ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(trans->shrd) & (IWL_DL_ISR)) { + if (iwl_have_debug_level(IWL_DL_ISR)) { /* NIC fires this, but we don't use it, redundant with WAKEUP */ if (inta & CSR_INT_BIT_SCD) { IWL_DEBUG_ISR(trans, "Scheduler finished to transmit " @@ -1013,30 +1009,16 @@ void iwl_irq_tasklet(struct iwl_trans *trans) /* HW RF KILL switch toggled */ if (inta & CSR_INT_BIT_RF_KILL) { - int hw_rf_kill = 0; - if (!(iwl_read32(bus(trans), CSR_GP_CNTRL) & - CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) - hw_rf_kill = 1; + bool hw_rfkill; + hw_rfkill = !(iwl_read32(trans, CSR_GP_CNTRL) & + CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW); IWL_WARN(trans, "RF_KILL bit toggled to %s.\n", - hw_rf_kill ? "disable radio" : "enable radio"); + hw_rfkill ? "disable radio" : "enable radio"); isr_stats->rfkill++; - /* driver only loads ucode once setting the interface up. - * the driver allows loading the ucode even if the radio - * is killed. Hence update the killswitch state here. The - * rfkill handler will care about restarting if needed. - */ - if (!test_bit(STATUS_ALIVE, &trans->shrd->status)) { - if (hw_rf_kill) - set_bit(STATUS_RF_KILL_HW, - &trans->shrd->status); - else - clear_bit(STATUS_RF_KILL_HW, - &trans->shrd->status); - iwl_set_hw_rfkill_state(priv(trans), hw_rf_kill); - } + iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill); handled |= CSR_INT_BIT_RF_KILL; } @@ -1061,7 +1043,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans) if (inta & CSR_INT_BIT_WAKEUP) { IWL_DEBUG_ISR(trans, "Wakeup interrupt\n"); iwl_rx_queue_update_write_ptr(trans, &trans_pcie->rxq); - for (i = 0; i < hw_params(trans).max_txq_num; i++) + for (i = 0; i < cfg(trans)->base_params->num_of_queues; i++) iwl_txq_update_write_ptr(trans, &trans_pcie->txq[i]); @@ -1078,12 +1060,12 @@ void iwl_irq_tasklet(struct iwl_trans *trans) IWL_DEBUG_ISR(trans, "Rx interrupt\n"); if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) { handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX); - iwl_write32(bus(trans), CSR_FH_INT_STATUS, + iwl_write32(trans, CSR_FH_INT_STATUS, CSR_FH_INT_RX_MASK); } if (inta & CSR_INT_BIT_RX_PERIODIC) { handled |= CSR_INT_BIT_RX_PERIODIC; - iwl_write32(bus(trans), + iwl_write32(trans, CSR_INT, CSR_INT_BIT_RX_PERIODIC); } /* Sending RX interrupt require many steps to be done in the @@ -1098,10 +1080,13 @@ void iwl_irq_tasklet(struct iwl_trans *trans) */ /* Disable periodic interrupt; we use it as just a one-shot. */ - iwl_write8(bus(trans), CSR_INT_PERIODIC_REG, + iwl_write8(trans, CSR_INT_PERIODIC_REG, CSR_INT_PERIODIC_DIS); +#ifdef CONFIG_IWLWIFI_IDI + iwl_amfh_rx_handler(); +#else iwl_rx_handle(trans); - +#endif /* * Enable periodic interrupt in 8 msec only if we received * real RX interrupt (instead of just periodic int), to catch @@ -1110,7 +1095,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans) * to extend the periodic interrupt; one-shot is enough. */ if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) - iwl_write8(bus(trans), CSR_INT_PERIODIC_REG, + iwl_write8(trans, CSR_INT_PERIODIC_REG, CSR_INT_PERIODIC_ENA); isr_stats->rx++; @@ -1118,13 +1103,13 @@ void iwl_irq_tasklet(struct iwl_trans *trans) /* This "Tx" DMA channel is used only for loading uCode */ if (inta & CSR_INT_BIT_FH_TX) { - iwl_write32(bus(trans), CSR_FH_INT_STATUS, CSR_FH_INT_TX_MASK); + iwl_write32(trans, CSR_FH_INT_STATUS, CSR_FH_INT_TX_MASK); IWL_DEBUG_ISR(trans, "uCode load interrupt\n"); isr_stats->tx++; handled |= CSR_INT_BIT_FH_TX; /* Wake up uCode load routine, now that load is complete */ - trans->ucode_write_complete = 1; - wake_up(&trans->shrd->wait_command_queue); + trans_pcie->ucode_write_complete = true; + wake_up(&trans_pcie->ucode_write_waitq); } if (inta & ~handled) { @@ -1139,11 +1124,11 @@ void iwl_irq_tasklet(struct iwl_trans *trans) /* Re-enable all interrupts */ /* only Re-enable if disabled by irq */ - if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status)) + if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status)) iwl_enable_interrupts(trans); /* Re-enable RF_KILL if it occurred */ else if (handled & CSR_INT_BIT_RF_KILL) - iwl_enable_rfkill_int(priv(trans)); + iwl_enable_rfkill_int(trans); } /****************************************************************************** @@ -1164,7 +1149,7 @@ void iwl_free_isr_ict(struct iwl_trans *trans) IWL_TRANS_GET_PCIE_TRANS(trans); if (trans_pcie->ict_tbl) { - dma_free_coherent(bus(trans)->dev, ICT_SIZE, + dma_free_coherent(trans->dev, ICT_SIZE, trans_pcie->ict_tbl, trans_pcie->ict_tbl_dma); trans_pcie->ict_tbl = NULL; @@ -1184,7 +1169,7 @@ int iwl_alloc_isr_ict(struct iwl_trans *trans) IWL_TRANS_GET_PCIE_TRANS(trans); trans_pcie->ict_tbl = - dma_alloc_coherent(bus(trans)->dev, ICT_SIZE, + dma_alloc_coherent(trans->dev, ICT_SIZE, &trans_pcie->ict_tbl_dma, GFP_KERNEL); if (!trans_pcie->ict_tbl) @@ -1213,7 +1198,7 @@ int iwl_alloc_isr_ict(struct iwl_trans *trans) /* Device is going up inform it about using ICT interrupt table, * also we need to tell the driver to start using ICT interrupt. */ -int iwl_reset_ict(struct iwl_trans *trans) +void iwl_reset_ict(struct iwl_trans *trans) { u32 val; unsigned long flags; @@ -1221,9 +1206,9 @@ int iwl_reset_ict(struct iwl_trans *trans) IWL_TRANS_GET_PCIE_TRANS(trans); if (!trans_pcie->ict_tbl) - return 0; + return; - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); iwl_disable_interrupts(trans); memset(trans_pcie->ict_tbl, 0, ICT_SIZE); @@ -1235,14 +1220,12 @@ int iwl_reset_ict(struct iwl_trans *trans) IWL_DEBUG_ISR(trans, "CSR_DRAM_INT_TBL_REG =0x%x\n", val); - iwl_write32(bus(trans), CSR_DRAM_INT_TBL_REG, val); + iwl_write32(trans, CSR_DRAM_INT_TBL_REG, val); trans_pcie->use_ict = true; trans_pcie->ict_index = 0; - iwl_write32(bus(trans), CSR_INT, trans_pcie->inta_mask); + iwl_write32(trans, CSR_INT, trans_pcie->inta_mask); iwl_enable_interrupts(trans); - spin_unlock_irqrestore(&trans->shrd->lock, flags); - - return 0; + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); } /* Device is going down disable ict interrupt usage */ @@ -1253,9 +1236,9 @@ void iwl_disable_ict(struct iwl_trans *trans) unsigned long flags; - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); trans_pcie->use_ict = false; - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); } static irqreturn_t iwl_isr(int irq, void *data) @@ -1270,21 +1253,21 @@ static irqreturn_t iwl_isr(int irq, void *data) if (!trans) return IRQ_NONE; - trace_iwlwifi_dev_irq(priv(trans)); + trace_iwlwifi_dev_irq(trans->dev); trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); /* Disable (but don't clear!) interrupts here to avoid * back-to-back ISRs and sporadic interrupts from our NIC. * If we have something to service, the tasklet will re-enable ints. * If we *don't* have something, we'll re-enable before leaving here. */ - inta_mask = iwl_read32(bus(trans), CSR_INT_MASK); /* just for debug */ - iwl_write32(bus(trans), CSR_INT_MASK, 0x00000000); + inta_mask = iwl_read32(trans, CSR_INT_MASK); /* just for debug */ + iwl_write32(trans, CSR_INT_MASK, 0x00000000); /* Discover which interrupts are active/pending */ - inta = iwl_read32(bus(trans), CSR_INT); + inta = iwl_read32(trans, CSR_INT); /* Ignore interrupt if there's nothing in NIC to service. * This may be due to IRQ shared with another device, @@ -1302,8 +1285,8 @@ static irqreturn_t iwl_isr(int irq, void *data) } #ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(trans->shrd) & (IWL_DL_ISR)) { - inta_fh = iwl_read32(bus(trans), CSR_FH_INT_STATUS); + if (iwl_have_debug_level(IWL_DL_ISR)) { + inta_fh = iwl_read32(trans, CSR_FH_INT_STATUS); IWL_DEBUG_ISR(trans, "ISR inta 0x%08x, enabled 0x%08x, " "fh 0x%08x\n", inta, inta_mask, inta_fh); } @@ -1313,22 +1296,22 @@ static irqreturn_t iwl_isr(int irq, void *data) /* iwl_irq_tasklet() will service interrupts and re-enable them */ if (likely(inta)) tasklet_schedule(&trans_pcie->irq_tasklet); - else if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status) && + else if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status) && !trans_pcie->inta) iwl_enable_interrupts(trans); unplugged: - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); return IRQ_HANDLED; none: /* re-enable interrupts here since we don't have anything to service. */ /* only Re-enable if disabled by irq and no schedules tasklet. */ - if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status) && + if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status) && !trans_pcie->inta) iwl_enable_interrupts(trans); - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); return IRQ_NONE; } @@ -1360,24 +1343,24 @@ irqreturn_t iwl_isr_ict(int irq, void *data) if (!trans_pcie->use_ict) return iwl_isr(irq, data); - trace_iwlwifi_dev_irq(priv(trans)); + trace_iwlwifi_dev_irq(trans->dev); - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); /* Disable (but don't clear!) interrupts here to avoid * back-to-back ISRs and sporadic interrupts from our NIC. * If we have something to service, the tasklet will re-enable ints. * If we *don't* have something, we'll re-enable before leaving here. */ - inta_mask = iwl_read32(bus(trans), CSR_INT_MASK); /* just for debug */ - iwl_write32(bus(trans), CSR_INT_MASK, 0x00000000); + inta_mask = iwl_read32(trans, CSR_INT_MASK); /* just for debug */ + iwl_write32(trans, CSR_INT_MASK, 0x00000000); /* Ignore interrupt if there's nothing in NIC to service. * This may be due to IRQ shared with another device, * or due to sporadic interrupts thrown from our NIC. */ read = le32_to_cpu(trans_pcie->ict_tbl[trans_pcie->ict_index]); - trace_iwlwifi_dev_ict_read(priv(trans), trans_pcie->ict_index, read); + trace_iwlwifi_dev_ict_read(trans->dev, trans_pcie->ict_index, read); if (!read) { IWL_DEBUG_ISR(trans, "Ignore interrupt, inta == 0\n"); goto none; @@ -1396,7 +1379,7 @@ irqreturn_t iwl_isr_ict(int irq, void *data) iwl_queue_inc_wrap(trans_pcie->ict_index, ICT_COUNT); read = le32_to_cpu(trans_pcie->ict_tbl[trans_pcie->ict_index]); - trace_iwlwifi_dev_ict_read(priv(trans), trans_pcie->ict_index, + trace_iwlwifi_dev_ict_read(trans->dev, trans_pcie->ict_index, read); } while (read); @@ -1424,7 +1407,7 @@ irqreturn_t iwl_isr_ict(int irq, void *data) /* iwl_irq_tasklet() will service interrupts and re-enable them */ if (likely(inta)) tasklet_schedule(&trans_pcie->irq_tasklet); - else if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status) && + else if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status) && !trans_pcie->inta) { /* Allow interrupt if was disabled by this handler and * no tasklet was schedules, We should not enable interrupt, @@ -1433,17 +1416,17 @@ irqreturn_t iwl_isr_ict(int irq, void *data) iwl_enable_interrupts(trans); } - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); return IRQ_HANDLED; none: /* re-enable interrupts here since we don't have anything to service. * only Re-enable if disabled by irq. */ - if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status) && + if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status) && !trans_pcie->inta) iwl_enable_interrupts(trans); - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); return IRQ_NONE; } diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c index bd29568177e6..e92972fd6ecf 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -35,11 +35,49 @@ #include "iwl-prph.h" #include "iwl-io.h" #include "iwl-agn-hw.h" +#include "iwl-op-mode.h" #include "iwl-trans-pcie-int.h" #define IWL_TX_CRC_SIZE 4 #define IWL_TX_DELIMITER_SIZE 4 +/* + * mac80211 queues, ACs, hardware queues, FIFOs. + * + * Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues + * + * Mac80211 uses the following numbers, which we get as from it + * by way of skb_get_queue_mapping(skb): + * + * VO 0 + * VI 1 + * BE 2 + * BK 3 + * + * + * Regular (not A-MPDU) frames are put into hardware queues corresponding + * to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their + * own queue per aggregation session (RA/TID combination), such queues are + * set up to map into FIFOs too, for which we need an AC->FIFO mapping. In + * order to map frames to the right queue, we also need an AC->hw queue + * mapping. This is implemented here. + * + * Due to the way hw queues are set up (by the hw specific code), the AC->hw + * queue mapping is the identity mapping. + */ + +static const u8 tid_to_ac[] = { + IEEE80211_AC_BE, + IEEE80211_AC_BK, + IEEE80211_AC_BK, + IEEE80211_AC_BE, + IEEE80211_AC_VI, + IEEE80211_AC_VI, + IEEE80211_AC_VO, + IEEE80211_AC_VO +}; + + /** * iwl_trans_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array */ @@ -98,9 +136,9 @@ void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq) if (txq->need_update == 0) return; - if (hw_params(trans).shadow_reg_enable) { + if (cfg(trans)->base_params->shadow_reg_enable) { /* shadow register enabled */ - iwl_write32(bus(trans), HBUS_TARG_WRPTR, + iwl_write32(trans, HBUS_TARG_WRPTR, txq->q.write_ptr | (txq_id << 8)); } else { /* if we're trying to save power */ @@ -108,18 +146,18 @@ void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq) /* wake up nic if it's powered down ... * uCode will wake up, and interrupt us again, so next * time we'll skip this part. */ - reg = iwl_read32(bus(trans), CSR_UCODE_DRV_GP1); + reg = iwl_read32(trans, CSR_UCODE_DRV_GP1); if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { IWL_DEBUG_INFO(trans, "Tx queue %d requesting wakeup," " GP1 = 0x%x\n", txq_id, reg); - iwl_set_bit(bus(trans), CSR_GP_CNTRL, + iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); return; } - iwl_write_direct32(bus(trans), HBUS_TARG_WRPTR, + iwl_write_direct32(trans, HBUS_TARG_WRPTR, txq->q.write_ptr | (txq_id << 8)); /* @@ -128,7 +166,7 @@ void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq) * trying to tx (during RFKILL, we're not trying to tx). */ } else - iwl_write32(bus(trans), HBUS_TARG_WRPTR, + iwl_write32(trans, HBUS_TARG_WRPTR, txq->q.write_ptr | (txq_id << 8)); } txq->need_update = 0; @@ -190,14 +228,14 @@ static void iwlagn_unmap_tfd(struct iwl_trans *trans, struct iwl_cmd_meta *meta, /* Unmap tx_cmd */ if (num_tbs) - dma_unmap_single(bus(trans)->dev, + dma_unmap_single(trans->dev, dma_unmap_addr(meta, mapping), dma_unmap_len(meta, len), DMA_BIDIRECTIONAL); /* Unmap chunks, if any. */ for (i = 1; i < num_tbs; i++) - dma_unmap_single(bus(trans)->dev, iwl_tfd_tb_get_addr(tfd, i), + dma_unmap_single(trans->dev, iwl_tfd_tb_get_addr(tfd, i), iwl_tfd_tb_get_len(tfd, i), dma_dir); } @@ -216,6 +254,8 @@ void iwlagn_txq_free_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq, { struct iwl_tfd *tfd_tmp = txq->tfds; + lockdep_assert_held(&txq->lock); + iwlagn_unmap_tfd(trans, &txq->meta[index], &tfd_tmp[index], dma_dir); /* free SKB */ @@ -229,7 +269,7 @@ void iwlagn_txq_free_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq, * freed and that the queue is not empty - free the skb */ if (skb) { - iwl_free_skb(priv(trans), skb); + iwl_op_mode_free_skb(trans->op_mode, skb); txq->skbs[index] = NULL; } } @@ -357,7 +397,7 @@ static void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_trans *trans, WARN_ON(read_ptr >= TFD_QUEUE_SIZE_MAX); - if (txq_id != trans->shrd->cmd_queue) + if (txq_id != trans_pcie->cmd_queue) sta_id = tx_cmd->sta_id; bc_ent = cpu_to_le16(1 | (sta_id << 12)); @@ -383,14 +423,14 @@ static int iwlagn_tx_queue_set_q2ratid(struct iwl_trans *trans, u16 ra_tid, tbl_dw_addr = trans_pcie->scd_base_addr + SCD_TRANS_TBL_OFFSET_QUEUE(txq_id); - tbl_dw = iwl_read_targ_mem(bus(trans), tbl_dw_addr); + tbl_dw = iwl_read_targ_mem(trans, tbl_dw_addr); if (txq_id & 0x1) tbl_dw = (scd_q2ratid << 16) | (tbl_dw & 0x0000FFFF); else tbl_dw = scd_q2ratid | (tbl_dw & 0xFFFF0000); - iwl_write_targ_mem(bus(trans), tbl_dw_addr, tbl_dw); + iwl_write_targ_mem(trans, tbl_dw_addr, tbl_dw); return 0; } @@ -399,7 +439,7 @@ static void iwlagn_tx_queue_stop_scheduler(struct iwl_trans *trans, u16 txq_id) { /* Simply stop the queue, but don't change any configuration; * the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */ - iwl_write_prph(bus(trans), + iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id), (0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)| (1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN)); @@ -409,9 +449,9 @@ void iwl_trans_set_wr_ptrs(struct iwl_trans *trans, int txq_id, u32 index) { IWL_DEBUG_TX_QUEUES(trans, "Q %d WrPtr: %d", txq_id, index & 0xff); - iwl_write_direct32(bus(trans), HBUS_TARG_WRPTR, + iwl_write_direct32(trans, HBUS_TARG_WRPTR, (index & 0xff) | (txq_id << 8)); - iwl_write_prph(bus(trans), SCD_QUEUE_RDPTR(txq_id), index); + iwl_write_prph(trans, SCD_QUEUE_RDPTR(txq_id), index); } void iwl_trans_tx_queue_set_status(struct iwl_trans *trans, @@ -423,7 +463,7 @@ void iwl_trans_tx_queue_set_status(struct iwl_trans *trans, int active = test_bit(txq_id, &trans_pcie->txq_ctx_active_msk) ? 1 : 0; - iwl_write_prph(bus(trans), SCD_QUEUE_STATUS_BITS(txq_id), + iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id), (active << SCD_QUEUE_STTS_REG_POS_ACTIVE) | (tx_fifo_id << SCD_QUEUE_STTS_REG_POS_TXF) | (1 << SCD_QUEUE_STTS_REG_POS_WSL) | @@ -431,9 +471,21 @@ void iwl_trans_tx_queue_set_status(struct iwl_trans *trans, txq->sched_retry = scd_retry; - IWL_DEBUG_TX_QUEUES(trans, "%s %s Queue %d on FIFO %d\n", - active ? "Activate" : "Deactivate", - scd_retry ? "BA" : "AC/CMD", txq_id, tx_fifo_id); + if (active) + IWL_DEBUG_TX_QUEUES(trans, "Activate %s Queue %d on FIFO %d\n", + scd_retry ? "BA" : "AC/CMD", txq_id, tx_fifo_id); + else + IWL_DEBUG_TX_QUEUES(trans, "Deactivate %s Queue %d\n", + scd_retry ? "BA" : "AC/CMD", txq_id); +} + +static inline int get_ac_from_tid(u16 tid) +{ + if (likely(tid < ARRAY_SIZE(tid_to_ac))) + return tid_to_ac[tid]; + + /* no support for TIDs 8-15 yet */ + return -EINVAL; } static inline int get_fifo_from_tid(struct iwl_trans_pcie *trans_pcie, @@ -478,7 +530,7 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, } txq_id = trans_pcie->agg_txq[sta_id][tid]; - if (WARN_ON_ONCE(is_agg_txqid_valid(trans, txq_id) == false)) { + if (WARN_ON_ONCE(!is_agg_txqid_valid(trans, txq_id))) { IWL_ERR(trans, "queue number out of range: %d, must be %d to %d\n", txq_id, IWLAGN_FIRST_AMPDU_QUEUE, @@ -489,7 +541,7 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, ra_tid = BUILD_RAxTID(sta_id, tid); - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); /* Stop this Tx queue before configuring it */ iwlagn_tx_queue_stop_scheduler(trans, txq_id); @@ -498,10 +550,10 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, iwlagn_tx_queue_set_q2ratid(trans, ra_tid, txq_id); /* Set this queue as a chain-building queue */ - iwl_set_bits_prph(bus(trans), SCD_QUEUECHAIN_SEL, (1<<txq_id)); + iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, (1<<txq_id)); /* enable aggregations for the queue */ - iwl_set_bits_prph(bus(trans), SCD_AGGR_SEL, (1<<txq_id)); + iwl_set_bits_prph(trans, SCD_AGGR_SEL, (1<<txq_id)); /* Place first TFD at index corresponding to start sequence number. * Assumes that ssn_idx is valid (!= 0xFFF) */ @@ -510,7 +562,7 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, iwl_trans_set_wr_ptrs(trans, txq_id, ssn); /* Set up Tx window size and frame limit for this queue */ - iwl_write_targ_mem(bus(trans), trans_pcie->scd_base_addr + + iwl_write_targ_mem(trans, trans_pcie->scd_base_addr + SCD_CONTEXT_QUEUE_OFFSET(txq_id) + sizeof(u32), ((frame_limit << @@ -520,7 +572,7 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) & SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK)); - iwl_set_bits_prph(bus(trans), SCD_INTERRUPT_MASK, (1 << txq_id)); + iwl_set_bits_prph(trans, SCD_INTERRUPT_MASK, (1 << txq_id)); /* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */ iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id], @@ -529,7 +581,7 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, trans_pcie->txq[txq_id].sta_id = sta_id; trans_pcie->txq[txq_id].tid = tid; - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); } /* @@ -543,7 +595,8 @@ static int iwlagn_txq_ctx_activate_free(struct iwl_trans *trans) struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); int txq_id; - for (txq_id = 0; txq_id < hw_params(trans).max_txq_num; txq_id++) + for (txq_id = 0; txq_id < cfg(trans)->base_params->num_of_queues; + txq_id++) if (!test_and_set_bit(txq_id, &trans_pcie->txq_ctx_active_msk)) return txq_id; @@ -573,7 +626,7 @@ int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int sta_id, int tid) struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); u8 txq_id = trans_pcie->agg_txq[sta_id][tid]; - if (WARN_ON_ONCE(is_agg_txqid_valid(trans, txq_id) == false)) { + if (WARN_ON_ONCE(!is_agg_txqid_valid(trans, txq_id))) { IWL_ERR(trans, "queue number out of range: %d, must be %d to %d\n", txq_id, IWLAGN_FIRST_AMPDU_QUEUE, @@ -584,7 +637,7 @@ int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int sta_id, int tid) iwlagn_tx_queue_stop_scheduler(trans, txq_id); - iwl_clear_bits_prph(bus(trans), SCD_AGGR_SEL, (1 << txq_id)); + iwl_clear_bits_prph(trans, SCD_AGGR_SEL, (1 << txq_id)); trans_pcie->agg_txq[sta_id][tid] = 0; trans_pcie->txq[txq_id].q.read_ptr = 0; @@ -592,7 +645,7 @@ int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int sta_id, int tid) /* supposes that ssn_idx is valid (!= 0xFFF) */ iwl_trans_set_wr_ptrs(trans, txq_id, 0); - iwl_clear_bits_prph(bus(trans), SCD_INTERRUPT_MASK, (1 << txq_id)); + iwl_clear_bits_prph(trans, SCD_INTERRUPT_MASK, (1 << txq_id)); iwl_txq_ctx_deactivate(trans_pcie, txq_id); iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id], 0, 0); return 0; @@ -612,15 +665,13 @@ int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int sta_id, int tid) static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue]; + struct iwl_tx_queue *txq = &trans_pcie->txq[trans_pcie->cmd_queue]; struct iwl_queue *q = &txq->q; struct iwl_device_cmd *out_cmd; struct iwl_cmd_meta *out_meta; dma_addr_t phys_addr; - unsigned long flags; u32 idx; u16 copy_size, cmd_size; - bool is_ct_kill = false; bool had_nocopy = false; int i; u8 *cmd_dest; @@ -635,12 +686,6 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) return -EIO; } - if ((trans->shrd->ucode_owner == IWL_OWNERSHIP_TM) && - !(cmd->flags & CMD_ON_DEMAND)) { - IWL_DEBUG_HC(trans, "tm own the uCode, no regular hcmd send\n"); - return -EIO; - } - copy_size = sizeof(out_cmd->hdr); cmd_size = sizeof(out_cmd->hdr); @@ -670,23 +715,13 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) if (WARN_ON(copy_size > TFD_MAX_PAYLOAD_SIZE)) return -EINVAL; - if (iwl_is_rfkill(trans->shrd) || iwl_is_ctkill(trans->shrd)) { - IWL_WARN(trans, "Not sending command - %s KILL\n", - iwl_is_rfkill(trans->shrd) ? "RF" : "CT"); - return -EIO; - } - - spin_lock_irqsave(&trans->hcmd_lock, flags); + spin_lock_bh(&txq->lock); if (iwl_queue_space(q) < ((cmd->flags & CMD_ASYNC) ? 2 : 1)) { - spin_unlock_irqrestore(&trans->hcmd_lock, flags); + spin_unlock_bh(&txq->lock); IWL_ERR(trans, "No space in command queue\n"); - is_ct_kill = iwl_check_for_ct_kill(priv(trans)); - if (!is_ct_kill) { - IWL_ERR(trans, "Restarting adapter queue is full\n"); - iwlagn_fw_error(priv(trans), false); - } + iwl_op_mode_cmd_queue_full(trans->op_mode); return -ENOSPC; } @@ -703,7 +738,7 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) out_cmd->hdr.cmd = cmd->id; out_cmd->hdr.flags = 0; out_cmd->hdr.sequence = - cpu_to_le16(QUEUE_TO_SEQ(trans->shrd->cmd_queue) | + cpu_to_le16(QUEUE_TO_SEQ(trans_pcie->cmd_queue) | INDEX_TO_SEQ(q->write_ptr)); /* and copy the data that needs to be copied */ @@ -723,11 +758,11 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) get_cmd_string(out_cmd->hdr.cmd), out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence), cmd_size, - q->write_ptr, idx, trans->shrd->cmd_queue); + q->write_ptr, idx, trans_pcie->cmd_queue); - phys_addr = dma_map_single(bus(trans)->dev, &out_cmd->hdr, copy_size, + phys_addr = dma_map_single(trans->dev, &out_cmd->hdr, copy_size, DMA_BIDIRECTIONAL); - if (unlikely(dma_mapping_error(bus(trans)->dev, phys_addr))) { + if (unlikely(dma_mapping_error(trans->dev, phys_addr))) { idx = -ENOMEM; goto out; } @@ -748,10 +783,10 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) continue; if (!(cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY)) continue; - phys_addr = dma_map_single(bus(trans)->dev, + phys_addr = dma_map_single(trans->dev, (void *)cmd->data[i], cmd->len[i], DMA_BIDIRECTIONAL); - if (dma_mapping_error(bus(trans)->dev, phys_addr)) { + if (dma_mapping_error(trans->dev, phys_addr)) { iwlagn_unmap_tfd(trans, out_meta, &txq->tfds[q->write_ptr], DMA_BIDIRECTIONAL); @@ -775,7 +810,7 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) /* check that tracing gets all possible blocks */ BUILD_BUG_ON(IWL_MAX_CMD_TFDS + 1 != 3); #ifdef CONFIG_IWLWIFI_DEVICE_TRACING - trace_iwlwifi_dev_hcmd(priv(trans), cmd->flags, + trace_iwlwifi_dev_hcmd(trans->dev, cmd->flags, trace_bufs[0], trace_lens[0], trace_bufs[1], trace_lens[1], trace_bufs[2], trace_lens[2]); @@ -786,7 +821,7 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) iwl_txq_update_write_ptr(trans, txq); out: - spin_unlock_irqrestore(&trans->hcmd_lock, flags); + spin_unlock_bh(&txq->lock); return idx; } @@ -805,6 +840,8 @@ static void iwl_hcmd_queue_reclaim(struct iwl_trans *trans, int txq_id, struct iwl_queue *q = &txq->q; int nfreed = 0; + lockdep_assert_held(&txq->lock); + if ((idx >= q->n_bd) || (iwl_queue_used(q, idx) == 0)) { IWL_ERR(trans, "%s: Read index for DMA queue txq id (%d), " "index %d is out of range [0-%d] %d %d.\n", __func__, @@ -818,7 +855,7 @@ static void iwl_hcmd_queue_reclaim(struct iwl_trans *trans, int txq_id, if (nfreed++ > 0) { IWL_ERR(trans, "HCMD skipped: index (%d) %d %d\n", idx, q->write_ptr, q->read_ptr); - iwlagn_fw_error(priv(trans), false); + iwl_op_mode_nic_error(trans->op_mode); } } @@ -834,7 +871,7 @@ static void iwl_hcmd_queue_reclaim(struct iwl_trans *trans, int txq_id, * will be executed. The attached skb (if present) will only be freed * if the callback returns 1 */ -void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb, +void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_cmd_buffer *rxb, int handler_status) { struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -845,21 +882,22 @@ void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb, struct iwl_device_cmd *cmd; struct iwl_cmd_meta *meta; struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_tx_queue *txq = &trans_pcie->txq[trans->shrd->cmd_queue]; - unsigned long flags; + struct iwl_tx_queue *txq = &trans_pcie->txq[trans_pcie->cmd_queue]; /* If a Tx command is being handled and it isn't in the actual * command queue then there a command routing bug has been introduced * in the queue management code. */ - if (WARN(txq_id != trans->shrd->cmd_queue, + if (WARN(txq_id != trans_pcie->cmd_queue, "wrong command queue %d (should be %d), sequence 0x%X readp=%d writep=%d\n", - txq_id, trans->shrd->cmd_queue, sequence, - trans_pcie->txq[trans->shrd->cmd_queue].q.read_ptr, - trans_pcie->txq[trans->shrd->cmd_queue].q.write_ptr)) { + txq_id, trans_pcie->cmd_queue, sequence, + trans_pcie->txq[trans_pcie->cmd_queue].q.read_ptr, + trans_pcie->txq[trans_pcie->cmd_queue].q.write_ptr)) { iwl_print_hex_error(trans, pkt, 32); return; } + spin_lock(&txq->lock); + cmd_index = get_cmd_index(&txq->q, index); cmd = txq->cmd[cmd_index]; meta = &txq->meta[cmd_index]; @@ -871,13 +909,14 @@ void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb, /* Input error checking is done when commands are added to queue. */ if (meta->flags & CMD_WANT_SKB) { - meta->source->reply_page = (unsigned long)rxb_addr(rxb); + struct page *p = rxb_steal_page(rxb); + + meta->source->resp_pkt = pkt; + meta->source->_rx_page_addr = (unsigned long)page_address(p); + meta->source->_rx_page_order = hw_params(trans).rx_page_order; meta->source->handler_status = handler_status; - rxb->page = NULL; } - spin_lock_irqsave(&trans->hcmd_lock, flags); - iwl_hcmd_queue_reclaim(trans, txq_id, index); if (!(meta->flags & CMD_ASYNC)) { @@ -889,12 +928,12 @@ void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_mem_buffer *rxb, clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command %s\n", get_cmd_string(cmd->hdr.cmd)); - wake_up(&trans->shrd->wait_command_queue); + wake_up(&trans->wait_command_queue); } meta->flags = 0; - spin_unlock_irqrestore(&trans->hcmd_lock, flags); + spin_unlock(&txq->lock); } #define HOST_COMPLETE_TIMEOUT (2 * HZ) @@ -908,12 +947,9 @@ static int iwl_send_cmd_async(struct iwl_trans *trans, struct iwl_host_cmd *cmd) return -EINVAL; - if (test_bit(STATUS_EXIT_PENDING, &trans->shrd->status)) - return -EBUSY; - ret = iwl_enqueue_hcmd(trans, cmd); if (ret < 0) { - IWL_DEBUG_QUIET_RFKILL(trans, + IWL_ERR(trans, "Error sending %s: enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); return ret; @@ -927,26 +963,22 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) int cmd_idx; int ret; - lockdep_assert_held(&trans->shrd->mutex); - IWL_DEBUG_INFO(trans, "Attempting to send sync command %s\n", get_cmd_string(cmd->id)); - if (test_bit(STATUS_EXIT_PENDING, &trans->shrd->status)) - return -EBUSY; - - - if (test_bit(STATUS_RF_KILL_HW, &trans->shrd->status)) { - IWL_ERR(trans, "Command %s aborted: RF KILL Switch\n", - get_cmd_string(cmd->id)); - return -ECANCELED; - } if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) { IWL_ERR(trans, "Command %s failed: FW Error\n", get_cmd_string(cmd->id)); return -EIO; } - set_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); + + if (WARN_ON(test_and_set_bit(STATUS_HCMD_ACTIVE, + &trans->shrd->status))) { + IWL_ERR(trans, "Command %s: a command is already active!\n", + get_cmd_string(cmd->id)); + return -EIO; + } + IWL_DEBUG_INFO(trans, "Setting HCMD_ACTIVE for command %s\n", get_cmd_string(cmd->id)); @@ -954,27 +986,27 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) if (cmd_idx < 0) { ret = cmd_idx; clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); - IWL_DEBUG_QUIET_RFKILL(trans, + IWL_ERR(trans, "Error sending %s: enqueue_hcmd failed: %d\n", get_cmd_string(cmd->id), ret); return ret; } - ret = wait_event_timeout(trans->shrd->wait_command_queue, + ret = wait_event_timeout(trans->wait_command_queue, !test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status), HOST_COMPLETE_TIMEOUT); if (!ret) { if (test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status)) { struct iwl_tx_queue *txq = - &trans_pcie->txq[trans->shrd->cmd_queue]; + &trans_pcie->txq[trans_pcie->cmd_queue]; struct iwl_queue *q = &txq->q; - IWL_DEBUG_QUIET_RFKILL(trans, + IWL_ERR(trans, "Error sending %s: time out after %dms.\n", get_cmd_string(cmd->id), jiffies_to_msecs(HOST_COMPLETE_TIMEOUT)); - IWL_DEBUG_QUIET_RFKILL(trans, + IWL_ERR(trans, "Current CMD queue read_ptr %d write_ptr %d\n", q->read_ptr, q->write_ptr); @@ -986,7 +1018,7 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) } } - if ((cmd->flags & CMD_WANT_SKB) && !cmd->reply_page) { + if ((cmd->flags & CMD_WANT_SKB) && !cmd->resp_pkt) { IWL_ERR(trans, "Error: Response NULL in '%s'\n", get_cmd_string(cmd->id)); ret = -EIO; @@ -1003,13 +1035,13 @@ cancel: * in later, it will possibly set an invalid * address (cmd->meta.source). */ - trans_pcie->txq[trans->shrd->cmd_queue].meta[cmd_idx].flags &= + trans_pcie->txq[trans_pcie->cmd_queue].meta[cmd_idx].flags &= ~CMD_WANT_SKB; } - if (cmd->reply_page) { - iwl_free_pages(trans->shrd, cmd->reply_page); - cmd->reply_page = 0; + if (cmd->resp_pkt) { + iwl_free_resp(cmd); + cmd->resp_pkt = NULL; } return ret; @@ -1034,9 +1066,11 @@ int iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index, int freed = 0; /* This function is not meant to release cmd queue*/ - if (WARN_ON(txq_id == trans->shrd->cmd_queue)) + if (WARN_ON(txq_id == trans_pcie->cmd_queue)) return 0; + lockdep_assert_held(&txq->lock); + /*Since we free until index _not_ inclusive, the one before index is * the last we will free. This one must be used */ last_to_free = iwl_queue_dec_wrap(index, q->n_bd); diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index 324d06dfb690..b4f796c82e1e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -60,8 +60,11 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *****************************************************************************/ +#include <linux/pci.h> +#include <linux/pci-aspm.h> #include <linux/interrupt.h> #include <linux/debugfs.h> +#include <linux/sched.h> #include <linux/bitops.h> #include <linux/gfp.h> @@ -73,12 +76,18 @@ #include "iwl-eeprom.h" #include "iwl-agn-hw.h" +#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) + +#define SCD_QUEUECHAIN_SEL_ALL(trans, trans_pcie) \ + (((1<<cfg(trans)->base_params->num_of_queues) - 1) &\ + (~(1<<(trans_pcie)->cmd_queue))) + static int iwl_trans_rx_alloc(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rx_queue *rxq = &trans_pcie->rxq; - struct device *dev = bus(trans)->dev; + struct device *dev = trans->dev; memset(&trans_pcie->rxq, 0, sizeof(trans_pcie->rxq)); @@ -122,7 +131,7 @@ static void iwl_trans_rxq_free_rx_bufs(struct iwl_trans *trans) /* In the reset function, these buffers may have been allocated * to an SKB, so we need to unmap and free potential storage */ if (rxq->pool[i].page != NULL) { - dma_unmap_page(bus(trans)->dev, rxq->pool[i].page_dma, + dma_unmap_page(trans->dev, rxq->pool[i].page_dma, PAGE_SIZE << hw_params(trans).rx_page_order, DMA_FROM_DEVICE); __free_pages(rxq->pool[i].page, @@ -146,17 +155,17 @@ static void iwl_trans_rx_hw_init(struct iwl_trans *trans, rb_size = FH_RCSR_RX_CONFIG_REG_VAL_RB_SIZE_4K; /* Stop Rx DMA */ - iwl_write_direct32(bus(trans), FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); + iwl_write_direct32(trans, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); /* Reset driver's Rx queue write index */ - iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0); + iwl_write_direct32(trans, FH_RSCSR_CHNL0_RBDCB_WPTR_REG, 0); /* Tell device where to find RBD circular buffer in DRAM */ - iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_RBDCB_BASE_REG, + iwl_write_direct32(trans, FH_RSCSR_CHNL0_RBDCB_BASE_REG, (u32)(rxq->bd_dma >> 8)); /* Tell device where in DRAM to update its Rx status */ - iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_STTS_WPTR_REG, + iwl_write_direct32(trans, FH_RSCSR_CHNL0_STTS_WPTR_REG, rxq->rb_stts_dma >> 4); /* Enable Rx DMA @@ -167,7 +176,7 @@ static void iwl_trans_rx_hw_init(struct iwl_trans *trans, * RB timeout 0x10 * 256 RBDs */ - iwl_write_direct32(bus(trans), FH_MEM_RCSR_CHNL0_CONFIG_REG, + iwl_write_direct32(trans, FH_MEM_RCSR_CHNL0_CONFIG_REG, FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL | FH_RCSR_CHNL0_RX_IGNORE_RXF_EMPTY | FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL | @@ -177,7 +186,7 @@ static void iwl_trans_rx_hw_init(struct iwl_trans *trans, (rfdnlog << FH_RCSR_RX_CONFIG_RBDCB_SIZE_POS)); /* Set interrupt coalescing timer to default (2048 usecs) */ - iwl_write8(bus(trans), CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF); + iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF); } static int iwl_rx_init(struct iwl_trans *trans) @@ -215,10 +224,10 @@ static int iwl_rx_init(struct iwl_trans *trans) iwl_trans_rx_hw_init(trans, rxq); - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); rxq->need_update = 1; iwl_rx_queue_update_write_ptr(trans, rxq); - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); return 0; } @@ -242,13 +251,13 @@ static void iwl_trans_pcie_rx_free(struct iwl_trans *trans) iwl_trans_rxq_free_rx_bufs(trans); spin_unlock_irqrestore(&rxq->lock, flags); - dma_free_coherent(bus(trans)->dev, sizeof(__le32) * RX_QUEUE_SIZE, + dma_free_coherent(trans->dev, sizeof(__le32) * RX_QUEUE_SIZE, rxq->bd, rxq->bd_dma); memset(&rxq->bd_dma, 0, sizeof(rxq->bd_dma)); rxq->bd = NULL; if (rxq->rb_stts) - dma_free_coherent(bus(trans)->dev, + dma_free_coherent(trans->dev, sizeof(struct iwl_rb_status), rxq->rb_stts, rxq->rb_stts_dma); else @@ -261,8 +270,8 @@ static int iwl_trans_rx_stop(struct iwl_trans *trans) { /* stop Rx DMA */ - iwl_write_direct32(bus(trans), FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); - return iwl_poll_direct_bit(bus(trans), FH_MEM_RSSR_RX_STATUS_REG, + iwl_write_direct32(trans, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); + return iwl_poll_direct_bit(trans, FH_MEM_RSSR_RX_STATUS_REG, FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, 1000); } @@ -272,7 +281,7 @@ static inline int iwlagn_alloc_dma_ptr(struct iwl_trans *trans, if (WARN_ON(ptr->addr)) return -EINVAL; - ptr->addr = dma_alloc_coherent(bus(trans)->dev, size, + ptr->addr = dma_alloc_coherent(trans->dev, size, &ptr->dma, GFP_KERNEL); if (!ptr->addr) return -ENOMEM; @@ -286,7 +295,7 @@ static inline void iwlagn_free_dma_ptr(struct iwl_trans *trans, if (unlikely(!ptr->addr)) return; - dma_free_coherent(bus(trans)->dev, ptr->size, ptr->addr, ptr->dma); + dma_free_coherent(trans->dev, ptr->size, ptr->addr, ptr->dma); memset(ptr, 0, sizeof(*ptr)); } @@ -296,6 +305,7 @@ static int iwl_trans_txq_alloc(struct iwl_trans *trans, { size_t tfd_sz = sizeof(struct iwl_tfd) * TFD_QUEUE_SIZE_MAX; int i; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); if (WARN_ON(txq->meta || txq->cmd || txq->skbs || txq->tfds)) return -EINVAL; @@ -308,7 +318,7 @@ static int iwl_trans_txq_alloc(struct iwl_trans *trans, if (!txq->meta || !txq->cmd) goto error; - if (txq_id == trans->shrd->cmd_queue) + if (txq_id == trans_pcie->cmd_queue) for (i = 0; i < slots_num; i++) { txq->cmd[i] = kmalloc(sizeof(struct iwl_device_cmd), GFP_KERNEL); @@ -319,7 +329,7 @@ static int iwl_trans_txq_alloc(struct iwl_trans *trans, /* Alloc driver data array and TFD circular buffer */ /* Driver private data, only for Tx (not command) queues, * not shared with device. */ - if (txq_id != trans->shrd->cmd_queue) { + if (txq_id != trans_pcie->cmd_queue) { txq->skbs = kcalloc(TFD_QUEUE_SIZE_MAX, sizeof(txq->skbs[0]), GFP_KERNEL); if (!txq->skbs) { @@ -333,7 +343,7 @@ static int iwl_trans_txq_alloc(struct iwl_trans *trans, /* Circular buffer of transmit frame descriptors (TFDs), * shared with device */ - txq->tfds = dma_alloc_coherent(bus(trans)->dev, tfd_sz, + txq->tfds = dma_alloc_coherent(trans->dev, tfd_sz, &txq->q.dma_addr, GFP_KERNEL); if (!txq->tfds) { IWL_ERR(trans, "dma_alloc_coherent(%zd) failed\n", tfd_sz); @@ -347,7 +357,7 @@ error: txq->skbs = NULL; /* since txq->cmd has been zeroed, * all non allocated cmd[i] will be NULL */ - if (txq->cmd && txq_id == trans->shrd->cmd_queue) + if (txq->cmd && txq_id == trans_pcie->cmd_queue) for (i = 0; i < slots_num; i++) kfree(txq->cmd[i]); kfree(txq->meta); @@ -385,11 +395,13 @@ static int iwl_trans_txq_init(struct iwl_trans *trans, struct iwl_tx_queue *txq, if (ret) return ret; + spin_lock_init(&txq->lock); + /* * Tell nic where to find circular buffer of Tx Frame Descriptors for * given Tx queue, and enable the DMA channel used for that queue. * Circular buffer (TFD queue in DRAM) physical base address */ - iwl_write_direct32(bus(trans), FH_MEM_CBBC_QUEUE(txq_id), + iwl_write_direct32(trans, FH_MEM_CBBC_QUEUE(txq_id), txq->q.dma_addr >> 8); return 0; @@ -404,8 +416,6 @@ static void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id) struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id]; struct iwl_queue *q = &txq->q; enum dma_data_direction dma_dir; - unsigned long flags; - spinlock_t *lock; if (!q->n_bd) return; @@ -413,22 +423,19 @@ static void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id) /* In the command queue, all the TBs are mapped as BIDI * so unmap them as such. */ - if (txq_id == trans->shrd->cmd_queue) { + if (txq_id == trans_pcie->cmd_queue) dma_dir = DMA_BIDIRECTIONAL; - lock = &trans->hcmd_lock; - } else { + else dma_dir = DMA_TO_DEVICE; - lock = &trans->shrd->sta_lock; - } - spin_lock_irqsave(lock, flags); + spin_lock_bh(&txq->lock); while (q->write_ptr != q->read_ptr) { /* The read_ptr needs to bound by q->n_window */ iwlagn_txq_free_tfd(trans, txq, get_cmd_index(q, q->read_ptr), dma_dir); q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd); } - spin_unlock_irqrestore(lock, flags); + spin_unlock_bh(&txq->lock); } /** @@ -443,7 +450,7 @@ static void iwl_tx_queue_free(struct iwl_trans *trans, int txq_id) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id]; - struct device *dev = bus(trans)->dev; + struct device *dev = trans->dev; int i; if (WARN_ON(!txq)) return; @@ -452,7 +459,7 @@ static void iwl_tx_queue_free(struct iwl_trans *trans, int txq_id) /* De-alloc array of command/tx buffers */ - if (txq_id == trans->shrd->cmd_queue) + if (txq_id == trans_pcie->cmd_queue) for (i = 0; i < txq->q.n_window; i++) kfree(txq->cmd[i]); @@ -490,7 +497,7 @@ static void iwl_trans_pcie_tx_free(struct iwl_trans *trans) /* Tx queues */ if (trans_pcie->txq) { for (txq_id = 0; - txq_id < hw_params(trans).max_txq_num; txq_id++) + txq_id < cfg(trans)->base_params->num_of_queues; txq_id++) iwl_tx_queue_free(trans, txq_id); } @@ -515,7 +522,7 @@ static int iwl_trans_tx_alloc(struct iwl_trans *trans) int txq_id, slots_num; struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - u16 scd_bc_tbls_size = hw_params(trans).max_txq_num * + u16 scd_bc_tbls_size = cfg(trans)->base_params->num_of_queues * sizeof(struct iwlagn_scd_bc_tbl); /*It is not allowed to alloc twice, so warn when this happens. @@ -539,7 +546,7 @@ static int iwl_trans_tx_alloc(struct iwl_trans *trans) goto error; } - trans_pcie->txq = kcalloc(hw_params(trans).max_txq_num, + trans_pcie->txq = kcalloc(cfg(trans)->base_params->num_of_queues, sizeof(struct iwl_tx_queue), GFP_KERNEL); if (!trans_pcie->txq) { IWL_ERR(trans, "Not enough memory for txq\n"); @@ -548,8 +555,9 @@ static int iwl_trans_tx_alloc(struct iwl_trans *trans) } /* Alloc and init all Tx queues, including the command queue (#4/#9) */ - for (txq_id = 0; txq_id < hw_params(trans).max_txq_num; txq_id++) { - slots_num = (txq_id == trans->shrd->cmd_queue) ? + for (txq_id = 0; txq_id < cfg(trans)->base_params->num_of_queues; + txq_id++) { + slots_num = (txq_id == trans_pcie->cmd_queue) ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; ret = iwl_trans_txq_alloc(trans, &trans_pcie->txq[txq_id], slots_num, txq_id); @@ -581,20 +589,21 @@ static int iwl_tx_init(struct iwl_trans *trans) alloc = true; } - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); /* Turn off all Tx DMA fifos */ - iwl_write_prph(bus(trans), SCD_TXFACT, 0); + iwl_write_prph(trans, SCD_TXFACT, 0); /* Tell NIC where to find the "keep warm" buffer */ - iwl_write_direct32(bus(trans), FH_KW_MEM_ADDR_REG, + iwl_write_direct32(trans, FH_KW_MEM_ADDR_REG, trans_pcie->kw.dma >> 4); - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); /* Alloc and init all Tx queues, including the command queue (#4/#9) */ - for (txq_id = 0; txq_id < hw_params(trans).max_txq_num; txq_id++) { - slots_num = (txq_id == trans->shrd->cmd_queue) ? + for (txq_id = 0; txq_id < cfg(trans)->base_params->num_of_queues; + txq_id++) { + slots_num = (txq_id == trans_pcie->cmd_queue) ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; ret = iwl_trans_txq_init(trans, &trans_pcie->txq[txq_id], slots_num, txq_id); @@ -619,49 +628,220 @@ static void iwl_set_pwr_vmain(struct iwl_trans *trans) * to set power to V_AUX, do: if (pci_pme_capable(priv->pci_dev, PCI_D3cold)) - iwl_set_bits_mask_prph(bus(trans), APMG_PS_CTRL_REG, + iwl_set_bits_mask_prph(trans, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_PWR_SRC_VAUX, ~APMG_PS_CTRL_MSK_PWR_SRC); */ - iwl_set_bits_mask_prph(bus(trans), APMG_PS_CTRL_REG, + iwl_set_bits_mask_prph(trans, APMG_PS_CTRL_REG, APMG_PS_CTRL_VAL_PWR_SRC_VMAIN, ~APMG_PS_CTRL_MSK_PWR_SRC); } +/* PCI registers */ +#define PCI_CFG_RETRY_TIMEOUT 0x041 +#define PCI_CFG_LINK_CTRL_VAL_L0S_EN 0x01 +#define PCI_CFG_LINK_CTRL_VAL_L1_EN 0x02 + +static u16 iwl_pciexp_link_ctrl(struct iwl_trans *trans) +{ + int pos; + u16 pci_lnk_ctl; + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + struct pci_dev *pci_dev = trans_pcie->pci_dev; + + pos = pci_pcie_cap(pci_dev); + pci_read_config_word(pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl); + return pci_lnk_ctl; +} + +static void iwl_apm_config(struct iwl_trans *trans) +{ + /* + * HW bug W/A for instability in PCIe bus L0S->L1 transition. + * Check if BIOS (or OS) enabled L1-ASPM on this device. + * If so (likely), disable L0S, so device moves directly L0->L1; + * costs negligible amount of power savings. + * If not (unlikely), enable L0S, so there is at least some + * power savings, even without L1. + */ + u16 lctl = iwl_pciexp_link_ctrl(trans); + + if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) == + PCI_CFG_LINK_CTRL_VAL_L1_EN) { + /* L1-ASPM enabled; disable(!) L0S */ + iwl_set_bit(trans, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); + dev_printk(KERN_INFO, trans->dev, + "L1 Enabled; Disabling L0S\n"); + } else { + /* L1-ASPM disabled; enable(!) L0S */ + iwl_clear_bit(trans, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED); + dev_printk(KERN_INFO, trans->dev, + "L1 Disabled; Enabling L0S\n"); + } + trans->pm_support = !(lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN); +} + +/* + * Start up NIC's basic functionality after it has been reset + * (e.g. after platform boot, or shutdown via iwl_apm_stop()) + * NOTE: This does not load uCode nor start the embedded processor + */ +static int iwl_apm_init(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + int ret = 0; + IWL_DEBUG_INFO(trans, "Init card's basic functions\n"); + + /* + * Use "set_bit" below rather than "write", to preserve any hardware + * bits already set by default after reset. + */ + + /* Disable L0S exit timer (platform NMI Work/Around) */ + iwl_set_bit(trans, CSR_GIO_CHICKEN_BITS, + CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); + + /* + * Disable L0s without affecting L1; + * don't wait for ICH L0s (ICH bug W/A) + */ + iwl_set_bit(trans, CSR_GIO_CHICKEN_BITS, + CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX); + + /* Set FH wait threshold to maximum (HW error during stress W/A) */ + iwl_set_bit(trans, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL); + + /* + * Enable HAP INTA (interrupt from management bus) to + * wake device's PCI Express link L1a -> L0s + */ + iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A); + + iwl_apm_config(trans); + + /* Configure analog phase-lock-loop before activating to D0A */ + if (cfg(trans)->base_params->pll_cfg_val) + iwl_set_bit(trans, CSR_ANA_PLL_CFG, + cfg(trans)->base_params->pll_cfg_val); + + /* + * Set "initialization complete" bit to move adapter from + * D0U* --> D0A* (powered-up active) state. + */ + iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + + /* + * Wait for clock stabilization; once stabilized, access to + * device-internal resources is supported, e.g. iwl_write_prph() + * and accesses to uCode SRAM. + */ + ret = iwl_poll_bit(trans, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, + CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); + if (ret < 0) { + IWL_DEBUG_INFO(trans, "Failed to init the card\n"); + goto out; + } + + /* + * Enable DMA clock and wait for it to stabilize. + * + * Write to "CLK_EN_REG"; "1" bits enable clocks, while "0" bits + * do not disable clocks. This preserves any hardware bits already + * set by default in "CLK_CTRL_REG" after reset. + */ + iwl_write_prph(trans, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT); + udelay(20); + + /* Disable L1-Active */ + iwl_set_bits_prph(trans, APMG_PCIDEV_STT_REG, + APMG_PCIDEV_STT_VAL_L1_ACT_DIS); + + set_bit(STATUS_DEVICE_ENABLED, &trans_pcie->status); + +out: + return ret; +} + +static int iwl_apm_stop_master(struct iwl_trans *trans) +{ + int ret = 0; + + /* stop device's busmaster DMA activity */ + iwl_set_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); + + ret = iwl_poll_bit(trans, CSR_RESET, + CSR_RESET_REG_FLAG_MASTER_DISABLED, + CSR_RESET_REG_FLAG_MASTER_DISABLED, 100); + if (ret) + IWL_WARN(trans, "Master Disable Timed Out, 100 usec\n"); + + IWL_DEBUG_INFO(trans, "stop master\n"); + + return ret; +} + +static void iwl_apm_stop(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + IWL_DEBUG_INFO(trans, "Stop card, put in low power state\n"); + + clear_bit(STATUS_DEVICE_ENABLED, &trans_pcie->status); + + /* Stop device's DMA activity */ + iwl_apm_stop_master(trans); + + /* Reset the entire device */ + iwl_set_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); + + udelay(10); + + /* + * Clear "initialization complete" bit to move adapter from + * D0A* (powered-up Active) --> D0U* (Uninitialized) state. + */ + iwl_clear_bit(trans, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_INIT_DONE); +} + static int iwl_nic_init(struct iwl_trans *trans) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); unsigned long flags; /* nic_init */ - spin_lock_irqsave(&trans->shrd->lock, flags); - iwl_apm_init(priv(trans)); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); + iwl_apm_init(trans); /* Set interrupt coalescing calibration timer to default (512 usecs) */ - iwl_write8(bus(trans), CSR_INT_COALESCING, + iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_CALIB_TIMEOUT_DEF); - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); iwl_set_pwr_vmain(trans); - iwl_nic_config(priv(trans)); + iwl_op_mode_nic_config(trans->op_mode); +#ifndef CONFIG_IWLWIFI_IDI /* Allocate the RX queue, or reset if it is already allocated */ iwl_rx_init(trans); +#endif /* Allocate or reset and init all Tx and Command queues */ if (iwl_tx_init(trans)) return -ENOMEM; - if (hw_params(trans).shadow_reg_enable) { + if (cfg(trans)->base_params->shadow_reg_enable) { /* enable shadow regs in HW */ - iwl_set_bit(bus(trans), CSR_MAC_SHADOW_REG_CTRL, + iwl_set_bit(trans, CSR_MAC_SHADOW_REG_CTRL, 0x800FFFFF); } - set_bit(STATUS_INIT, &trans->shrd->status); - return 0; } @@ -672,11 +852,11 @@ static int iwl_set_hw_ready(struct iwl_trans *trans) { int ret; - iwl_set_bit(bus(trans), CSR_HW_IF_CONFIG_REG, + iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_NIC_READY); /* See if we got it */ - ret = iwl_poll_bit(bus(trans), CSR_HW_IF_CONFIG_REG, + ret = iwl_poll_bit(trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, CSR_HW_IF_CONFIG_REG_BIT_NIC_READY, HW_READY_TIMEOUT); @@ -686,21 +866,22 @@ static int iwl_set_hw_ready(struct iwl_trans *trans) } /* Note: returns standard 0/-ERROR code */ -static int iwl_trans_pcie_prepare_card_hw(struct iwl_trans *trans) +static int iwl_prepare_card_hw(struct iwl_trans *trans) { int ret; IWL_DEBUG_INFO(trans, "iwl_trans_prepare_card_hw enter\n"); ret = iwl_set_hw_ready(trans); + /* If the card is ready, exit 0 */ if (ret >= 0) return 0; /* If HW is not ready, prepare the conditions to check again */ - iwl_set_bit(bus(trans), CSR_HW_IF_CONFIG_REG, + iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_PREPARE); - ret = iwl_poll_bit(bus(trans), CSR_HW_IF_CONFIG_REG, + ret = iwl_poll_bit(trans, CSR_HW_IF_CONFIG_REG, ~CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, 150000); @@ -767,13 +948,90 @@ static const u8 iwlagn_pan_ac_to_queue[] = { 7, 6, 5, 4, }; -static int iwl_trans_pcie_start_device(struct iwl_trans *trans) +/* + * ucode + */ +static int iwl_load_section(struct iwl_trans *trans, u8 section_num, + const struct fw_desc *section) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + dma_addr_t phy_addr = section->p_addr; + u32 byte_cnt = section->len; + u32 dst_addr = section->offset; + int ret; + + trans_pcie->ucode_write_complete = false; + + iwl_write_direct32(trans, + FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), + FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE); + + iwl_write_direct32(trans, + FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr); + + iwl_write_direct32(trans, + FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL), + phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK); + + iwl_write_direct32(trans, + FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL), + (iwl_get_dma_hi_addr(phy_addr) + << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt); + + iwl_write_direct32(trans, + FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL), + 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM | + 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX | + FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID); + + iwl_write_direct32(trans, + FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), + FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | + FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE | + FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD); + + IWL_DEBUG_FW(trans, "[%d] uCode section being loaded...\n", + section_num); + ret = wait_event_timeout(trans_pcie->ucode_write_waitq, + trans_pcie->ucode_write_complete, 5 * HZ); + if (!ret) { + IWL_ERR(trans, "Could not load the [%d] uCode section\n", + section_num); + return -ETIMEDOUT; + } + + return 0; +} + +static int iwl_load_given_ucode(struct iwl_trans *trans, + const struct fw_img *image) +{ + int ret = 0; + int i; + + for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) { + if (!image->sec[i].p_addr) + break; + + ret = iwl_load_section(trans, i, &image->sec[i]); + if (ret) + return ret; + } + + /* Remove all resets to allow NIC to operate */ + iwl_write32(trans, CSR_RESET, 0); + + return 0; +} + +static int iwl_trans_pcie_start_fw(struct iwl_trans *trans, + const struct fw_img *fw) { int ret; struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + bool hw_rfkill; - trans->shrd->ucode_owner = IWL_OWNERSHIP_DRIVER; trans_pcie->ac_to_queue[IWL_RXON_CTX_BSS] = iwlagn_bss_ac_to_queue; trans_pcie->ac_to_queue[IWL_RXON_CTX_PAN] = iwlagn_pan_ac_to_queue; @@ -783,26 +1041,23 @@ static int iwl_trans_pcie_start_device(struct iwl_trans *trans) trans_pcie->mcast_queue[IWL_RXON_CTX_BSS] = 0; trans_pcie->mcast_queue[IWL_RXON_CTX_PAN] = IWL_IPAN_MCAST_QUEUE; - if ((hw_params(trans).sku & EEPROM_SKU_CAP_AMT_ENABLE) && - iwl_trans_pcie_prepare_card_hw(trans)) { + /* This may fail if AMT took ownership of the device */ + if (iwl_prepare_card_hw(trans)) { IWL_WARN(trans, "Exit HW not ready\n"); return -EIO; } /* If platform's RF_KILL switch is NOT set to KILL */ - if (iwl_read32(bus(trans), CSR_GP_CNTRL) & - CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) - clear_bit(STATUS_RF_KILL_HW, &trans->shrd->status); - else - set_bit(STATUS_RF_KILL_HW, &trans->shrd->status); + hw_rfkill = !(iwl_read32(trans, CSR_GP_CNTRL) & + CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW); + iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill); - if (iwl_is_rfkill(trans->shrd)) { - iwl_set_hw_rfkill_state(priv(trans), true); - iwl_enable_interrupts(trans); + if (hw_rfkill) { + iwl_enable_rfkill_int(trans); return -ERFKILL; } - iwl_write32(bus(trans), CSR_INT, 0xFFFFFFFF); + iwl_write32(trans, CSR_INT, 0xFFFFFFFF); ret = iwl_nic_init(trans); if (ret) { @@ -811,31 +1066,37 @@ static int iwl_trans_pcie_start_device(struct iwl_trans *trans) } /* make sure rfkill handshake bits are cleared */ - iwl_write32(bus(trans), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(bus(trans), CSR_UCODE_DRV_GP1_CLR, + iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); /* clear (again), then enable host interrupts */ - iwl_write32(bus(trans), CSR_INT, 0xFFFFFFFF); + iwl_write32(trans, CSR_INT, 0xFFFFFFFF); iwl_enable_interrupts(trans); /* really make sure rfkill handshake bits are cleared */ - iwl_write32(bus(trans), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - iwl_write32(bus(trans), CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); + iwl_write32(trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_SW_BIT_RFKILL); - return 0; + /* Load the given image to the HW */ + return iwl_load_given_ucode(trans, fw); } /* * Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask - * must be called under priv->shrd->lock and mac access + * must be called under the irq lock and with MAC access */ static void iwl_trans_txq_set_sched(struct iwl_trans *trans, u32 mask) { - iwl_write_prph(bus(trans), SCD_TXFACT, mask); + struct iwl_trans_pcie __maybe_unused *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + lockdep_assert_held(&trans_pcie->irq_lock); + + iwl_write_prph(trans, SCD_TXFACT, mask); } -static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) +static void iwl_tx_start(struct iwl_trans *trans) { const struct queue_to_fifo_ac *queue_to_fifo; struct iwl_trans_pcie *trans_pcie = @@ -845,49 +1106,50 @@ static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) int i, chan; u32 reg_val; - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); trans_pcie->scd_base_addr = - iwl_read_prph(bus(trans), SCD_SRAM_BASE_ADDR); + iwl_read_prph(trans, SCD_SRAM_BASE_ADDR); a = trans_pcie->scd_base_addr + SCD_CONTEXT_MEM_LOWER_BOUND; /* reset conext data memory */ for (; a < trans_pcie->scd_base_addr + SCD_CONTEXT_MEM_UPPER_BOUND; a += 4) - iwl_write_targ_mem(bus(trans), a, 0); + iwl_write_targ_mem(trans, a, 0); /* reset tx status memory */ for (; a < trans_pcie->scd_base_addr + SCD_TX_STTS_MEM_UPPER_BOUND; a += 4) - iwl_write_targ_mem(bus(trans), a, 0); + iwl_write_targ_mem(trans, a, 0); for (; a < trans_pcie->scd_base_addr + - SCD_TRANS_TBL_OFFSET_QUEUE(hw_params(trans).max_txq_num); + SCD_TRANS_TBL_OFFSET_QUEUE( + cfg(trans)->base_params->num_of_queues); a += 4) - iwl_write_targ_mem(bus(trans), a, 0); + iwl_write_targ_mem(trans, a, 0); - iwl_write_prph(bus(trans), SCD_DRAM_BASE_ADDR, + iwl_write_prph(trans, SCD_DRAM_BASE_ADDR, trans_pcie->scd_bc_tbls.dma >> 10); /* Enable DMA channel */ for (chan = 0; chan < FH_TCSR_CHNL_NUM ; chan++) - iwl_write_direct32(bus(trans), FH_TCSR_CHNL_TX_CONFIG_REG(chan), + iwl_write_direct32(trans, FH_TCSR_CHNL_TX_CONFIG_REG(chan), FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE); /* Update FH chicken bits */ - reg_val = iwl_read_direct32(bus(trans), FH_TX_CHICKEN_BITS_REG); - iwl_write_direct32(bus(trans), FH_TX_CHICKEN_BITS_REG, + reg_val = iwl_read_direct32(trans, FH_TX_CHICKEN_BITS_REG); + iwl_write_direct32(trans, FH_TX_CHICKEN_BITS_REG, reg_val | FH_TX_CHICKEN_BITS_SCD_AUTO_RETRY_EN); - iwl_write_prph(bus(trans), SCD_QUEUECHAIN_SEL, - SCD_QUEUECHAIN_SEL_ALL(trans)); - iwl_write_prph(bus(trans), SCD_AGGR_SEL, 0); + iwl_write_prph(trans, SCD_QUEUECHAIN_SEL, + SCD_QUEUECHAIN_SEL_ALL(trans, trans_pcie)); + iwl_write_prph(trans, SCD_AGGR_SEL, 0); /* initiate the queues */ - for (i = 0; i < hw_params(trans).max_txq_num; i++) { - iwl_write_prph(bus(trans), SCD_QUEUE_RDPTR(i), 0); - iwl_write_direct32(bus(trans), HBUS_TARG_WRPTR, 0 | (i << 8)); - iwl_write_targ_mem(bus(trans), trans_pcie->scd_base_addr + + for (i = 0; i < cfg(trans)->base_params->num_of_queues; i++) { + iwl_write_prph(trans, SCD_QUEUE_RDPTR(i), 0); + iwl_write_direct32(trans, HBUS_TARG_WRPTR, 0 | (i << 8)); + iwl_write_targ_mem(trans, trans_pcie->scd_base_addr + SCD_CONTEXT_QUEUE_OFFSET(i), 0); - iwl_write_targ_mem(bus(trans), trans_pcie->scd_base_addr + + iwl_write_targ_mem(trans, trans_pcie->scd_base_addr + SCD_CONTEXT_QUEUE_OFFSET(i) + sizeof(u32), ((SCD_WIN_SIZE << @@ -898,8 +1160,8 @@ static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK)); } - iwl_write_prph(bus(trans), SCD_INTERRUPT_MASK, - IWL_MASK(0, hw_params(trans).max_txq_num)); + iwl_write_prph(trans, SCD_INTERRUPT_MASK, + IWL_MASK(0, cfg(trans)->base_params->num_of_queues)); /* Activate all Tx DMA/FIFO channels */ iwl_trans_txq_set_sched(trans, IWL_MASK(0, 7)); @@ -910,7 +1172,7 @@ static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) else queue_to_fifo = iwlagn_default_queue_to_tx_fifo; - iwl_trans_set_wr_ptrs(trans, trans->shrd->cmd_queue, 0); + iwl_trans_set_wr_ptrs(trans, trans_pcie->cmd_queue, 0); /* make sure all queue are not stopped */ memset(&trans_pcie->queue_stopped[0], 0, @@ -941,40 +1203,47 @@ static void iwl_trans_pcie_tx_start(struct iwl_trans *trans) fifo, 0); } - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); /* Enable L1-Active */ - iwl_clear_bits_prph(bus(trans), APMG_PCIDEV_STT_REG, + iwl_clear_bits_prph(trans, APMG_PCIDEV_STT_REG, APMG_PCIDEV_STT_VAL_L1_ACT_DIS); } +static void iwl_trans_pcie_fw_alive(struct iwl_trans *trans) +{ + iwl_reset_ict(trans); + iwl_tx_start(trans); +} + /** * iwlagn_txq_ctx_stop - Stop all Tx DMA channels */ static int iwl_trans_tx_stop(struct iwl_trans *trans) { - int ch, txq_id; + int ch, txq_id, ret; unsigned long flags; struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); /* Turn off all Tx DMA fifos */ - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); iwl_trans_txq_set_sched(trans, 0); /* Stop each Tx DMA channel, and wait for it to be idle */ for (ch = 0; ch < FH_TCSR_CHNL_NUM; ch++) { - iwl_write_direct32(bus(trans), + iwl_write_direct32(trans, FH_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0); - if (iwl_poll_direct_bit(bus(trans), FH_TSSR_TX_STATUS_REG, + ret = iwl_poll_direct_bit(trans, FH_TSSR_TX_STATUS_REG, FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch), - 1000)) + 1000); + if (ret < 0) IWL_ERR(trans, "Failing on timeout while stopping" " DMA channel %d [0x%08x]", ch, - iwl_read_direct32(bus(trans), + iwl_read_direct32(trans, FH_TSSR_TX_STATUS_REG)); } - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); if (!trans_pcie->txq) { IWL_WARN(trans, "Stopping tx queues that aren't allocated..."); @@ -982,7 +1251,8 @@ static int iwl_trans_tx_stop(struct iwl_trans *trans) } /* Unmap DMA from host system and free skb's */ - for (txq_id = 0; txq_id < hw_params(trans).max_txq_num; txq_id++) + for (txq_id = 0; txq_id < cfg(trans)->base_params->num_of_queues; + txq_id++) iwl_tx_queue_unmap(trans, txq_id); return 0; @@ -994,9 +1264,9 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); /* tell the device to stop sending interrupts */ - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); iwl_disable_interrupts(trans); - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); /* device going down, Stop using ICT table */ iwl_disable_ict(trans); @@ -1008,36 +1278,50 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) * restart. So don't process again if the device is * already dead. */ - if (test_bit(STATUS_DEVICE_ENABLED, &trans->shrd->status)) { + if (test_bit(STATUS_DEVICE_ENABLED, &trans_pcie->status)) { iwl_trans_tx_stop(trans); +#ifndef CONFIG_IWLWIFI_IDI iwl_trans_rx_stop(trans); - +#endif /* Power-down device's busmaster DMA clocks */ - iwl_write_prph(bus(trans), APMG_CLK_DIS_REG, + iwl_write_prph(trans, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(5); } /* Make sure (redundant) we've released our request to stay awake */ - iwl_clear_bit(bus(trans), CSR_GP_CNTRL, + iwl_clear_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); /* Stop the device, and put it in low power state */ - iwl_apm_stop(priv(trans)); + iwl_apm_stop(trans); /* Upon stop, the APM issues an interrupt if HW RF kill is set. * Clean again the interrupt here */ - spin_lock_irqsave(&trans->shrd->lock, flags); + spin_lock_irqsave(&trans_pcie->irq_lock, flags); iwl_disable_interrupts(trans); - spin_unlock_irqrestore(&trans->shrd->lock, flags); + spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); /* wait to make sure we flush pending tasklet*/ - synchronize_irq(bus(trans)->irq); + synchronize_irq(trans_pcie->irq); tasklet_kill(&trans_pcie->irq_tasklet); + cancel_work_sync(&trans_pcie->rx_replenish); + /* stop and reset the on-board processor */ - iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); + iwl_write32(trans, CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); +} + +static void iwl_trans_pcie_wowlan_suspend(struct iwl_trans *trans) +{ + /* let the ucode operate on its own */ + iwl_write32(trans, CSR_UCODE_DRV_GP1_SET, + CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE); + + iwl_disable_interrupts(trans); + iwl_clear_bit(trans, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); } static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, @@ -1092,6 +1376,8 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, txq = &trans_pcie->txq[txq_id]; q = &txq->q; + spin_lock(&txq->lock); + /* In AGG mode, the index in the ring must correspond to the WiFi * sequence number. This is a HW requirements to help the SCD to parse * the BA. @@ -1134,11 +1420,11 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, /* Physical address of this Tx command's header (not MAC header!), * within command buffer array. */ - txcmd_phys = dma_map_single(bus(trans)->dev, + txcmd_phys = dma_map_single(trans->dev, &dev_cmd->hdr, firstlen, DMA_BIDIRECTIONAL); - if (unlikely(dma_mapping_error(bus(trans)->dev, txcmd_phys))) - return -1; + if (unlikely(dma_mapping_error(trans->dev, txcmd_phys))) + goto out_err; dma_unmap_addr_set(out_meta, mapping, txcmd_phys); dma_unmap_len_set(out_meta, len, firstlen); @@ -1153,14 +1439,14 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, * if any (802.11 null frames have no payload). */ secondlen = skb->len - hdr_len; if (secondlen > 0) { - phys_addr = dma_map_single(bus(trans)->dev, skb->data + hdr_len, + phys_addr = dma_map_single(trans->dev, skb->data + hdr_len, secondlen, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(bus(trans)->dev, phys_addr))) { - dma_unmap_single(bus(trans)->dev, + if (unlikely(dma_mapping_error(trans->dev, phys_addr))) { + dma_unmap_single(trans->dev, dma_unmap_addr(out_meta, mapping), dma_unmap_len(out_meta, len), DMA_BIDIRECTIONAL); - return -1; + goto out_err; } } @@ -1174,7 +1460,7 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, offsetof(struct iwl_tx_cmd, scratch); /* take back ownership of DMA buffer to enable update */ - dma_sync_single_for_cpu(bus(trans)->dev, txcmd_phys, firstlen, + dma_sync_single_for_cpu(trans->dev, txcmd_phys, firstlen, DMA_BIDIRECTIONAL); tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys); tx_cmd->dram_msb_ptr = iwl_get_dma_hi_addr(scratch_phys); @@ -1182,16 +1468,14 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, IWL_DEBUG_TX(trans, "sequence nr = 0X%x\n", le16_to_cpu(dev_cmd->hdr.sequence)); IWL_DEBUG_TX(trans, "tx_flags = 0X%x\n", le32_to_cpu(tx_cmd->tx_flags)); - iwl_print_hex_dump(trans, IWL_DL_TX, (u8 *)tx_cmd, sizeof(*tx_cmd)); - iwl_print_hex_dump(trans, IWL_DL_TX, (u8 *)tx_cmd->hdr, hdr_len); /* Set up entry for this TFD in Tx byte-count array */ iwl_trans_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len)); - dma_sync_single_for_device(bus(trans)->dev, txcmd_phys, firstlen, + dma_sync_single_for_device(trans->dev, txcmd_phys, firstlen, DMA_BIDIRECTIONAL); - trace_iwlwifi_dev_tx(priv(trans), + trace_iwlwifi_dev_tx(trans->dev, &((struct iwl_tfd *)txq->tfds)[txq->q.write_ptr], sizeof(struct iwl_tfd), &dev_cmd->hdr, firstlen, @@ -1212,46 +1496,77 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, txq->need_update = 1; iwl_txq_update_write_ptr(trans, txq); } else { - iwl_stop_queue(trans, txq, "Queue is full"); + iwl_stop_queue(trans, txq); } } + spin_unlock(&txq->lock); return 0; + out_err: + spin_unlock(&txq->lock); + return -1; } -static void iwl_trans_pcie_kick_nic(struct iwl_trans *trans) -{ - /* Remove all resets to allow NIC to operate */ - iwl_write32(bus(trans), CSR_RESET, 0); -} - -static int iwl_trans_pcie_request_irq(struct iwl_trans *trans) +static int iwl_trans_pcie_start_hw(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); int err; + bool hw_rfkill; trans_pcie->inta_mask = CSR_INI_SET_MASK; - tasklet_init(&trans_pcie->irq_tasklet, (void (*)(unsigned long)) - iwl_irq_tasklet, (unsigned long)trans); + if (!trans_pcie->irq_requested) { + tasklet_init(&trans_pcie->irq_tasklet, (void (*)(unsigned long)) + iwl_irq_tasklet, (unsigned long)trans); - iwl_alloc_isr_ict(trans); + iwl_alloc_isr_ict(trans); - err = request_irq(bus(trans)->irq, iwl_isr_ict, IRQF_SHARED, - DRV_NAME, trans); + err = request_irq(trans_pcie->irq, iwl_isr_ict, IRQF_SHARED, + DRV_NAME, trans); + if (err) { + IWL_ERR(trans, "Error allocating IRQ %d\n", + trans_pcie->irq); + goto error; + } + + INIT_WORK(&trans_pcie->rx_replenish, iwl_bg_rx_replenish); + trans_pcie->irq_requested = true; + } + + err = iwl_prepare_card_hw(trans); if (err) { - IWL_ERR(trans, "Error allocating IRQ %d\n", bus(trans)->irq); - iwl_free_isr_ict(trans); - return err; + IWL_ERR(trans, "Error while preparing HW: %d", err); + goto err_free_irq; } - INIT_WORK(&trans_pcie->rx_replenish, iwl_bg_rx_replenish); - return 0; + iwl_apm_init(trans); + + hw_rfkill = !(iwl_read32(trans, CSR_GP_CNTRL) & + CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW); + iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill); + + return err; + +err_free_irq: + free_irq(trans_pcie->irq, trans); +error: + iwl_free_isr_ict(trans); + tasklet_kill(&trans_pcie->irq_tasklet); + return err; +} + +static void iwl_trans_pcie_stop_hw(struct iwl_trans *trans) +{ + iwl_apm_stop(trans); + + iwl_write32(trans, CSR_INT, 0xFFFFFFFF); + + /* Even if we stop the HW, we still want the RF kill interrupt */ + iwl_enable_rfkill_int(trans); } static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid, - int txq_id, int ssn, u32 status, - struct sk_buff_head *skbs) + int txq_id, int ssn, struct sk_buff_head *skbs) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id]; @@ -1259,6 +1574,8 @@ static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid, int tfd_num = ssn & (txq->q.n_bd - 1); int freed = 0; + spin_lock(&txq->lock); + txq->time_stamp = jiffies; if (unlikely(txq_id >= IWLAGN_FIRST_AMPDU_QUEUE && @@ -1273,6 +1590,7 @@ static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid, IWL_DEBUG_TX_QUEUES(trans, "Bad queue mapping txq_id %d, " "agg_txq[sta_id[tid] %d", txq_id, trans_pcie->agg_txq[sta_id][tid]); + spin_unlock(&txq->lock); return 1; } @@ -1281,115 +1599,90 @@ static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid, txq_id, iwl_get_queue_ac(txq), txq->q.read_ptr, tfd_num, ssn); freed = iwl_tx_queue_reclaim(trans, txq_id, tfd_num, skbs); - if (iwl_queue_space(&txq->q) > txq->q.low_mark && - (!txq->sched_retry || - status != TX_STATUS_FAIL_PASSIVE_NO_RX)) - iwl_wake_queue(trans, txq, "Packets reclaimed"); + if (iwl_queue_space(&txq->q) > txq->q.low_mark) + iwl_wake_queue(trans, txq); } + + spin_unlock(&txq->lock); return 0; } -static void iwl_trans_pcie_free(struct iwl_trans *trans) +static void iwl_trans_pcie_write8(struct iwl_trans *trans, u32 ofs, u8 val) { - iwl_calib_free_results(trans); - iwl_trans_pcie_tx_free(trans); - iwl_trans_pcie_rx_free(trans); - free_irq(bus(trans)->irq, trans); - iwl_free_isr_ict(trans); - trans->shrd->trans = NULL; - kfree(trans); + writeb(val, IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs); } -#ifdef CONFIG_PM_SLEEP -static int iwl_trans_pcie_suspend(struct iwl_trans *trans) +static void iwl_trans_pcie_write32(struct iwl_trans *trans, u32 ofs, u32 val) { - /* - * This function is called when system goes into suspend state - * mac80211 will call iwlagn_mac_stop() from the mac80211 suspend - * function first but since iwlagn_mac_stop() has no knowledge of - * who the caller is, - * it will not call apm_ops.stop() to stop the DMA operation. - * Calling apm_ops.stop here to make sure we stop the DMA. - * - * But of course ... if we have configured WoWLAN then we did other - * things already :-) - */ - if (!trans->shrd->wowlan) { - iwl_apm_stop(priv(trans)); - } else { - iwl_disable_interrupts(trans); - iwl_clear_bit(bus(trans), CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - } - - return 0; + writel(val, IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs); } -static int iwl_trans_pcie_resume(struct iwl_trans *trans) +static u32 iwl_trans_pcie_read32(struct iwl_trans *trans, u32 ofs) { - bool hw_rfkill = false; - - iwl_enable_interrupts(trans); + return readl(IWL_TRANS_GET_PCIE_TRANS(trans)->hw_base + ofs); +} - if (!(iwl_read32(bus(trans), CSR_GP_CNTRL) & - CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) - hw_rfkill = true; +static void iwl_trans_pcie_configure(struct iwl_trans *trans, + const struct iwl_trans_config *trans_cfg) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - if (hw_rfkill) - set_bit(STATUS_RF_KILL_HW, &trans->shrd->status); + trans_pcie->cmd_queue = trans_cfg->cmd_queue; + if (WARN_ON(trans_cfg->n_no_reclaim_cmds > MAX_NO_RECLAIM_CMDS)) + trans_pcie->n_no_reclaim_cmds = 0; else - clear_bit(STATUS_RF_KILL_HW, &trans->shrd->status); - - iwl_set_hw_rfkill_state(priv(trans), hw_rfkill); - - return 0; + trans_pcie->n_no_reclaim_cmds = trans_cfg->n_no_reclaim_cmds; + if (trans_pcie->n_no_reclaim_cmds) + memcpy(trans_pcie->no_reclaim_cmds, trans_cfg->no_reclaim_cmds, + trans_pcie->n_no_reclaim_cmds * sizeof(u8)); } -#endif /* CONFIG_PM_SLEEP */ -static void iwl_trans_pcie_wake_any_queue(struct iwl_trans *trans, - enum iwl_rxon_context_id ctx, - const char *msg) +static void iwl_trans_pcie_free(struct iwl_trans *trans) { - u8 ac, txq_id; struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - for (ac = 0; ac < AC_NUM; ac++) { - txq_id = trans_pcie->ac_to_queue[ctx][ac]; - IWL_DEBUG_TX_QUEUES(trans, "Queue Status: Q[%d] %s\n", - ac, - (atomic_read(&trans_pcie->queue_stop_count[ac]) > 0) - ? "stopped" : "awake"); - iwl_wake_queue(trans, &trans_pcie->txq[txq_id], msg); + iwl_trans_pcie_tx_free(trans); +#ifndef CONFIG_IWLWIFI_IDI + iwl_trans_pcie_rx_free(trans); +#endif + if (trans_pcie->irq_requested == true) { + free_irq(trans_pcie->irq, trans); + iwl_free_isr_ict(trans); } -} -const struct iwl_trans_ops trans_ops_pcie; + pci_disable_msi(trans_pcie->pci_dev); + iounmap(trans_pcie->hw_base); + pci_release_regions(trans_pcie->pci_dev); + pci_disable_device(trans_pcie->pci_dev); -static struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd) -{ - struct iwl_trans *iwl_trans = kzalloc(sizeof(struct iwl_trans) + - sizeof(struct iwl_trans_pcie), - GFP_KERNEL); - if (iwl_trans) { - struct iwl_trans_pcie *trans_pcie = - IWL_TRANS_GET_PCIE_TRANS(iwl_trans); - iwl_trans->ops = &trans_ops_pcie; - iwl_trans->shrd = shrd; - trans_pcie->trans = iwl_trans; - spin_lock_init(&iwl_trans->hcmd_lock); - } + trans->shrd->trans = NULL; + kfree(trans); +} - return iwl_trans; +#ifdef CONFIG_PM_SLEEP +static int iwl_trans_pcie_suspend(struct iwl_trans *trans) +{ + return 0; } -static void iwl_trans_pcie_stop_queue(struct iwl_trans *trans, int txq_id, - const char *msg) +static int iwl_trans_pcie_resume(struct iwl_trans *trans) { - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + bool hw_rfkill; + + hw_rfkill = !(iwl_read32(trans, CSR_GP_CNTRL) & + CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW); + + if (hw_rfkill) + iwl_enable_rfkill_int(trans); + else + iwl_enable_interrupts(trans); - iwl_stop_queue(trans, &trans_pcie->txq[txq_id], msg); + iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill); + + return 0; } +#endif /* CONFIG_PM_SLEEP */ #define IWL_FLUSH_WAIT_MS 2000 @@ -1403,8 +1696,8 @@ static int iwl_trans_pcie_wait_tx_queue_empty(struct iwl_trans *trans) int ret = 0; /* waiting for all the tx frames complete might take a while */ - for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) { - if (cnt == trans->shrd->cmd_queue) + for (cnt = 0; cnt < cfg(trans)->base_params->num_of_queues; cnt++) { + if (cnt == trans_pcie->cmd_queue) continue; txq = &trans_pcie->txq[cnt]; q = &txq->q; @@ -1446,9 +1739,9 @@ static int iwl_trans_pcie_check_stuck_queue(struct iwl_trans *trans, int cnt) IWL_ERR(trans, "Current SW read_ptr %d write_ptr %d\n", q->read_ptr, q->write_ptr); IWL_ERR(trans, "Current HW read_ptr %d write_ptr %d\n", - iwl_read_prph(bus(trans), SCD_QUEUE_RDPTR(cnt)) + iwl_read_prph(trans, SCD_QUEUE_RDPTR(cnt)) & (TFD_QUEUE_SIZE_MAX - 1), - iwl_read_prph(bus(trans), SCD_QUEUE_WRPTR(cnt))); + iwl_read_prph(trans, SCD_QUEUE_WRPTR(cnt))); return 1; } @@ -1502,7 +1795,7 @@ int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display) pos += scnprintf(*buf + pos, bufsz - pos, " %34s: 0X%08x\n", get_fh_string(fh_tbl[i]), - iwl_read_direct32(bus(trans), fh_tbl[i])); + iwl_read_direct32(trans, fh_tbl[i])); } return pos; } @@ -1511,7 +1804,7 @@ int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display) for (i = 0; i < ARRAY_SIZE(fh_tbl); i++) { IWL_ERR(trans, " %34s: 0X%08x\n", get_fh_string(fh_tbl[i]), - iwl_read_direct32(bus(trans), fh_tbl[i])); + iwl_read_direct32(trans, fh_tbl[i])); } return 0; } @@ -1581,7 +1874,7 @@ void iwl_dump_csr(struct iwl_trans *trans) for (i = 0; i < ARRAY_SIZE(csr_tbl); i++) { IWL_ERR(trans, " %25s: 0X%08x\n", get_csr_string(csr_tbl[i]), - iwl_read32(bus(trans), csr_tbl[i])); + iwl_read32(trans, csr_tbl[i])); } } @@ -1649,7 +1942,9 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, int pos = 0; int cnt; int ret; - const size_t bufsz = sizeof(char) * 64 * hw_params(trans).max_txq_num; + size_t bufsz; + + bufsz = sizeof(char) * 64 * cfg(trans)->base_params->num_of_queues; if (!trans_pcie->txq) { IWL_ERR(trans, "txq not ready\n"); @@ -1659,7 +1954,7 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file, if (!buf) return -ENOMEM; - for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) { + for (cnt = 0; cnt < cfg(trans)->base_params->num_of_queues; cnt++) { txq = &trans_pcie->txq[cnt]; q = &txq->q; pos += scnprintf(buf + pos, bufsz - pos, @@ -1902,14 +2197,13 @@ static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans, #endif /*CONFIG_IWLWIFI_DEBUGFS */ const struct iwl_trans_ops trans_ops_pcie = { - .alloc = iwl_trans_pcie_alloc, - .request_irq = iwl_trans_pcie_request_irq, - .start_device = iwl_trans_pcie_start_device, - .prepare_card_hw = iwl_trans_pcie_prepare_card_hw, + .start_hw = iwl_trans_pcie_start_hw, + .stop_hw = iwl_trans_pcie_stop_hw, + .fw_alive = iwl_trans_pcie_fw_alive, + .start_fw = iwl_trans_pcie_start_fw, .stop_device = iwl_trans_pcie_stop_device, - .tx_start = iwl_trans_pcie_tx_start, - .wake_any_queue = iwl_trans_pcie_wake_any_queue, + .wowlan_suspend = iwl_trans_pcie_wowlan_suspend, .send_cmd = iwl_trans_pcie_send_cmd, @@ -1920,10 +2214,7 @@ const struct iwl_trans_ops trans_ops_pcie = { .tx_agg_alloc = iwl_trans_pcie_tx_agg_alloc, .tx_agg_setup = iwl_trans_pcie_tx_agg_setup, - .kick_nic = iwl_trans_pcie_kick_nic, - .free = iwl_trans_pcie_free, - .stop_queue = iwl_trans_pcie_stop_queue, .dbgfs_register = iwl_trans_pcie_dbgfs_register, @@ -1934,4 +2225,121 @@ const struct iwl_trans_ops trans_ops_pcie = { .suspend = iwl_trans_pcie_suspend, .resume = iwl_trans_pcie_resume, #endif + .write8 = iwl_trans_pcie_write8, + .write32 = iwl_trans_pcie_write32, + .read32 = iwl_trans_pcie_read32, + .configure = iwl_trans_pcie_configure, }; + +struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd, + struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct iwl_trans_pcie *trans_pcie; + struct iwl_trans *trans; + u16 pci_cmd; + int err; + + trans = kzalloc(sizeof(struct iwl_trans) + + sizeof(struct iwl_trans_pcie), GFP_KERNEL); + + if (WARN_ON(!trans)) + return NULL; + + trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + trans->ops = &trans_ops_pcie; + trans->shrd = shrd; + trans_pcie->trans = trans; + spin_lock_init(&trans_pcie->irq_lock); + init_waitqueue_head(&trans_pcie->ucode_write_waitq); + + /* W/A - seems to solve weird behavior. We need to remove this if we + * don't want to stay in L1 all the time. This wastes a lot of power */ + pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | + PCIE_LINK_STATE_CLKPM); + + if (pci_enable_device(pdev)) { + err = -ENODEV; + goto out_no_pci; + } + + pci_set_master(pdev); + + err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36)); + if (!err) + err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36)); + if (err) { + err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (!err) + err = pci_set_consistent_dma_mask(pdev, + DMA_BIT_MASK(32)); + /* both attempts failed: */ + if (err) { + dev_printk(KERN_ERR, &pdev->dev, + "No suitable DMA available.\n"); + goto out_pci_disable_device; + } + } + + err = pci_request_regions(pdev, DRV_NAME); + if (err) { + dev_printk(KERN_ERR, &pdev->dev, "pci_request_regions failed"); + goto out_pci_disable_device; + } + + trans_pcie->hw_base = pci_ioremap_bar(pdev, 0); + if (!trans_pcie->hw_base) { + dev_printk(KERN_ERR, &pdev->dev, "pci_ioremap_bar failed"); + err = -ENODEV; + goto out_pci_release_regions; + } + + dev_printk(KERN_INFO, &pdev->dev, + "pci_resource_len = 0x%08llx\n", + (unsigned long long) pci_resource_len(pdev, 0)); + dev_printk(KERN_INFO, &pdev->dev, + "pci_resource_base = %p\n", trans_pcie->hw_base); + + dev_printk(KERN_INFO, &pdev->dev, + "HW Revision ID = 0x%X\n", pdev->revision); + + /* We disable the RETRY_TIMEOUT register (0x41) to keep + * PCI Tx retries from interfering with C3 CPU state */ + pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); + + err = pci_enable_msi(pdev); + if (err) + dev_printk(KERN_ERR, &pdev->dev, + "pci_enable_msi failed(0X%x)", err); + + trans->dev = &pdev->dev; + trans_pcie->irq = pdev->irq; + trans_pcie->pci_dev = pdev; + trans->hw_rev = iwl_read32(trans, CSR_HW_REV); + trans->hw_id = (pdev->device << 16) + pdev->subsystem_device; + snprintf(trans->hw_id_str, sizeof(trans->hw_id_str), + "PCI ID: 0x%04X:0x%04X", pdev->device, pdev->subsystem_device); + + /* TODO: Move this away, not needed if not MSI */ + /* enable rfkill interrupt: hw bug w/a */ + pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); + if (pci_cmd & PCI_COMMAND_INTX_DISABLE) { + pci_cmd &= ~PCI_COMMAND_INTX_DISABLE; + pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); + } + + /* Initialize the wait queue for commands */ + init_waitqueue_head(&trans->wait_command_queue); + + return trans; + +out_pci_release_regions: + pci_release_regions(pdev); +out_pci_disable_device: + pci_disable_device(pdev); +out_no_pci: + kfree(trans); + return NULL; +} + diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index e6bf3f554772..0c81cbaa8088 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -5,7 +5,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -30,7 +30,7 @@ * * BSD LICENSE * - * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -63,23 +63,132 @@ #ifndef __iwl_trans_h__ #define __iwl_trans_h__ -#include <linux/debugfs.h> -#include <linux/skbuff.h> +#include <linux/ieee80211.h> +#include <linux/mm.h> /* for page_address */ #include "iwl-shared.h" -#include "iwl-commands.h" +#include "iwl-debug.h" - /*This file includes the declaration that are exported from the transport - * layer */ +/** + * DOC: Transport layer - what is it ? + * + * The tranport layer is the layer that deals with the HW directly. It provides + * an abstraction of the underlying HW to the upper layer. The transport layer + * doesn't provide any policy, algorithm or anything of this kind, but only + * mechanisms to make the HW do something.It is not completely stateless but + * close to it. + * We will have an implementation for each different supported bus. + */ + +/** + * DOC: Life cycle of the transport layer + * + * The transport layer has a very precise life cycle. + * + * 1) A helper function is called during the module initialization and + * registers the bus driver's ops with the transport's alloc function. + * 2) Bus's probe calls to the transport layer's allocation functions. + * Of course this function is bus specific. + * 3) This allocation functions will spawn the upper layer which will + * register mac80211. + * + * 4) At some point (i.e. mac80211's start call), the op_mode will call + * the following sequence: + * start_hw + * start_fw + * + * 5) Then when finished (or reset): + * stop_fw (a.k.a. stop device for the moment) + * stop_hw + * + * 6) Eventually, the free function will be called. + */ struct iwl_priv; struct iwl_shared; +struct iwl_op_mode; +struct fw_img; +struct sk_buff; +struct dentry; +/** + * DOC: Host command section + * + * A host command is a commaned issued by the upper layer to the fw. There are + * several versions of fw that have several APIs. The transport layer is + * completely agnostic to these differences. + * The transport does provide helper functionnality (i.e. SYNC / ASYNC mode), + */ #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) +#define SEQ_TO_QUEUE(s) (((s) >> 8) & 0x1f) +#define QUEUE_TO_SEQ(q) (((q) & 0x1f) << 8) +#define SEQ_TO_INDEX(s) ((s) & 0xff) +#define INDEX_TO_SEQ(i) ((i) & 0xff) +#define SEQ_RX_FRAME cpu_to_le16(0x8000) + +/** + * struct iwl_cmd_header + * + * This header format appears in the beginning of each command sent from the + * driver, and each response/notification received from uCode. + */ +struct iwl_cmd_header { + u8 cmd; /* Command ID: REPLY_RXON, etc. */ + u8 flags; /* 0:5 reserved, 6 abort, 7 internal */ + /* + * The driver sets up the sequence number to values of its choosing. + * uCode does not use this value, but passes it back to the driver + * when sending the response to each driver-originated command, so + * the driver can match the response to the command. Since the values + * don't get used by uCode, the driver may set up an arbitrary format. + * + * There is one exception: uCode sets bit 15 when it originates + * the response/notification, i.e. when the response/notification + * is not a direct response to a command sent by the driver. For + * example, uCode issues REPLY_RX when it sends a received frame + * to the driver; it is not a direct response to any driver command. + * + * The Linux driver uses the following format: + * + * 0:7 tfd index - position within TX queue + * 8:12 TX queue id + * 13:14 reserved + * 15 unsolicited RX or uCode-originated notification + */ + __le16 sequence; +} __packed; + -enum { +#define FH_RSCSR_FRAME_SIZE_MSK 0x00003FFF /* bits 0-13 */ + +struct iwl_rx_packet { + /* + * The first 4 bytes of the RX frame header contain both the RX frame + * size and some flags. + * Bit fields: + * 31: flag flush RB request + * 30: flag ignore TC (terminal counter) request + * 29: flag fast IRQ request + * 28-14: Reserved + * 13-00: RX frame size + */ + __le32 len_n_flags; + struct iwl_cmd_header hdr; + u8 data[]; +} __packed; + +/** + * enum CMD_MODE - how to send the host commands ? + * + * @CMD_SYNC: The caller will be stalled until the fw responds to the command + * @CMD_ASYNC: Return right away and don't want for the response + * @CMD_WANT_SKB: valid only with CMD_SYNC. The caller needs the buffer of the + * response. + * @CMD_ON_DEMAND: This command is sent by the test mode pipe. + */ +enum CMD_MODE { CMD_SYNC = 0, CMD_ASYNC = BIT(0), CMD_WANT_SKB = BIT(1), @@ -104,25 +213,38 @@ struct iwl_device_cmd { #define IWL_MAX_CMD_TFDS 2 +/** + * struct iwl_hcmd_dataflag - flag for each one of the chunks of the command + * + * IWL_HCMD_DFL_NOCOPY: By default, the command is copied to the host command's + * ring. The transport layer doesn't map the command's buffer to DMA, but + * rather copies it to an previously allocated DMA buffer. This flag tells + * the transport layer not to copy the command, but to map the existing + * buffer. This can save memcpy and is worth with very big comamnds. + */ enum iwl_hcmd_dataflag { IWL_HCMD_DFL_NOCOPY = BIT(0), }; /** * struct iwl_host_cmd - Host command to the uCode + * * @data: array of chunks that composes the data of the host command - * @reply_page: pointer to the page that holds the response to the host command + * @resp_pkt: response packet, if %CMD_WANT_SKB was set + * @_rx_page_order: (internally used to free response packet) + * @_rx_page_addr: (internally used to free response packet) * @handler_status: return value of the handler of the command * (put in setup_rx_handlers) - valid for SYNC mode only - * @callback: - * @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC + * @flags: can be CMD_* * @len: array of the lenths of the chunks in data - * @dataflags: + * @dataflags: IWL_HCMD_DFL_* * @id: id of the host command */ struct iwl_host_cmd { const void *data[IWL_MAX_CMD_TFDS]; - unsigned long reply_page; + struct iwl_rx_packet *resp_pkt; + unsigned long _rx_page_addr; + u32 _rx_page_order; int handler_status; u32 flags; @@ -131,48 +253,109 @@ struct iwl_host_cmd { u8 id; }; +static inline void iwl_free_resp(struct iwl_host_cmd *cmd) +{ + free_pages(cmd->_rx_page_addr, cmd->_rx_page_order); +} + +struct iwl_rx_cmd_buffer { + struct page *_page; +}; + +static inline void *rxb_addr(struct iwl_rx_cmd_buffer *r) +{ + return page_address(r->_page); +} + +static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r) +{ + struct page *p = r->_page; + r->_page = NULL; + return p; +} + +#define MAX_NO_RECLAIM_CMDS 6 + +/** + * struct iwl_trans_config - transport configuration + * + * @op_mode: pointer to the upper layer. + * Must be set before any other call. + * @cmd_queue: the index of the command queue. + * Must be set before start_fw. + * @no_reclaim_cmds: Some devices erroneously don't set the + * SEQ_RX_FRAME bit on some notifications, this is the + * list of such notifications to filter. Max length is + * %MAX_NO_RECLAIM_CMDS. + * @n_no_reclaim_cmds: # of commands in list + */ +struct iwl_trans_config { + struct iwl_op_mode *op_mode; + u8 cmd_queue; + const u8 *no_reclaim_cmds; + int n_no_reclaim_cmds; +}; + /** * struct iwl_trans_ops - transport specific operations - * @alloc: allocates the meta data (not the queues themselves) - * @request_irq: requests IRQ - will be called before the FW load in probe flow - * @start_device: allocates and inits all the resources for the transport - * layer. - * @prepare_card_hw: claim the ownership on the HW. Will be called during - * probe. - * @tx_start: starts and configures all the Tx fifo - usually done once the fw - * is alive. - * @wake_any_queue: wake all the queues of a specfic context IWL_RXON_CTX_* + * + * All the handlers MUST be implemented + * + * @start_hw: starts the HW- from that point on, the HW can send interrupts + * May sleep + * @stop_hw: stops the HW- from that point on, the HW will be in low power but + * will still issue interrupt if the HW RF kill is triggered. + * May sleep + * @start_fw: allocates and inits all the resources for the transport + * layer. Also kick a fw image. + * May sleep + * @fw_alive: called when the fw sends alive notification + * May sleep * @stop_device:stops the whole device (embedded CPU put to reset) + * May sleep + * @wowlan_suspend: put the device into the correct mode for WoWLAN during + * suspend. This is optional, if not implemented WoWLAN will not be + * supported. This callback may sleep. * @send_cmd:send a host command + * May sleep only if CMD_SYNC is set * @tx: send an skb + * Must be atomic * @reclaim: free packet until ssn. Returns a list of freed packets. + * Must be atomic * @tx_agg_alloc: allocate resources for a TX BA session + * Must be atomic * @tx_agg_setup: setup a tx queue for AMPDU - will be called once the HW is - * ready and a successful ADDBA response has been received. + * ready and a successful ADDBA response has been received. + * May sleep * @tx_agg_disable: de-configure a Tx queue to send AMPDUs - * @kick_nic: remove the RESET from the embedded CPU and let it run + * Must be atomic * @free: release all the ressource for the transport layer itself such as - * irq, tasklet etc... - * @stop_queue: stop a specific queue + * irq, tasklet etc... From this point on, the device may not issue + * any interrupt (incl. RFKILL). + * May sleep * @check_stuck_queue: check if a specific queue is stuck * @wait_tx_queue_empty: wait until all tx queues are empty + * May sleep * @dbgfs_register: add the dbgfs files under this directory. Files will be * automatically deleted. * @suspend: stop the device unless WoWLAN is configured * @resume: resume activity of the device + * @write8: write a u8 to a register at offset ofs from the BAR + * @write32: write a u32 to a register at offset ofs from the BAR + * @read32: read a u32 register at offset ofs from the BAR + * @configure: configure parameters required by the transport layer from + * the op_mode. May be called several times before start_fw, can't be + * called after that. */ struct iwl_trans_ops { - struct iwl_trans *(*alloc)(struct iwl_shared *shrd); - int (*request_irq)(struct iwl_trans *iwl_trans); - int (*start_device)(struct iwl_trans *trans); - int (*prepare_card_hw)(struct iwl_trans *trans); + int (*start_hw)(struct iwl_trans *iwl_trans); + void (*stop_hw)(struct iwl_trans *iwl_trans); + int (*start_fw)(struct iwl_trans *trans, const struct fw_img *fw); + void (*fw_alive)(struct iwl_trans *trans); void (*stop_device)(struct iwl_trans *trans); - void (*tx_start)(struct iwl_trans *trans); - void (*wake_any_queue)(struct iwl_trans *trans, - enum iwl_rxon_context_id ctx, - const char *msg); + void (*wowlan_suspend)(struct iwl_trans *trans); int (*send_cmd)(struct iwl_trans *trans, struct iwl_host_cmd *cmd); @@ -180,8 +363,7 @@ struct iwl_trans_ops { struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx, u8 sta_id, u8 tid); int (*reclaim)(struct iwl_trans *trans, int sta_id, int tid, - int txq_id, int ssn, u32 status, - struct sk_buff_head *skbs); + int txq_id, int ssn, struct sk_buff_head *skbs); int (*tx_agg_disable)(struct iwl_trans *trans, int sta_id, int tid); @@ -191,12 +373,8 @@ struct iwl_trans_ops { enum iwl_rxon_context_id ctx, int sta_id, int tid, int frame_limit, u16 ssn); - void (*kick_nic)(struct iwl_trans *trans); - void (*free)(struct iwl_trans *trans); - void (*stop_queue)(struct iwl_trans *trans, int q, const char *msg); - int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir); int (*check_stuck_queue)(struct iwl_trans *trans, int q); int (*wait_tx_queue_empty)(struct iwl_trans *trans); @@ -204,127 +382,165 @@ struct iwl_trans_ops { int (*suspend)(struct iwl_trans *trans); int (*resume)(struct iwl_trans *trans); #endif + void (*write8)(struct iwl_trans *trans, u32 ofs, u8 val); + void (*write32)(struct iwl_trans *trans, u32 ofs, u32 val); + u32 (*read32)(struct iwl_trans *trans, u32 ofs); + void (*configure)(struct iwl_trans *trans, + const struct iwl_trans_config *trans_cfg); }; -/* one for each uCode image (inst/data, boot/init/runtime) */ -struct fw_desc { - dma_addr_t p_addr; /* hardware address */ - void *v_addr; /* software address */ - u32 len; /* size in bytes */ -}; - -struct fw_img { - struct fw_desc code; /* firmware code image */ - struct fw_desc data; /* firmware data image */ -}; - -/* Opaque calibration results */ -struct iwl_calib_result { - struct list_head list; - size_t cmd_len; - struct iwl_calib_hdr hdr; - /* data follows */ +/** + * enum iwl_trans_state - state of the transport layer + * + * @IWL_TRANS_NO_FW: no fw has sent an alive response + * @IWL_TRANS_FW_ALIVE: a fw has sent an alive response + */ +enum iwl_trans_state { + IWL_TRANS_NO_FW = 0, + IWL_TRANS_FW_ALIVE = 1, }; /** * struct iwl_trans - transport common data + * * @ops - pointer to iwl_trans_ops + * @op_mode - pointer to the op_mode * @shrd - pointer to iwl_shared which holds shared data from the upper layer - * @hcmd_lock: protects HCMD - * @ucode_write_complete: indicates that the ucode has been copied. - * @ucode_rt: run time ucode image - * @ucode_init: init ucode image - * @ucode_wowlan: wake on wireless ucode image (optional) + * @reg_lock - protect hw register access + * @dev - pointer to struct device * that represents the device + * @hw_id: a u32 with the ID of the device / subdevice. + * Set during transport allocation. + * @hw_id_str: a string with info about HW ID. Set during transport allocation. * @nvm_device_type: indicates OTP or eeprom - * @calib_results: list head for init calibration results + * @pm_support: set to true in start_hw if link pm is supported + * @wait_command_queue: the wait_queue for SYNC host commands */ struct iwl_trans { const struct iwl_trans_ops *ops; + struct iwl_op_mode *op_mode; struct iwl_shared *shrd; - spinlock_t hcmd_lock; + enum iwl_trans_state state; + spinlock_t reg_lock; - u8 ucode_write_complete; /* the image write is complete */ - struct fw_img ucode_rt; - struct fw_img ucode_init; - struct fw_img ucode_wowlan; + struct device *dev; + u32 hw_rev; + u32 hw_id; + char hw_id_str[52]; - /* eeprom related variables */ int nvm_device_type; + bool pm_support; - /* init calibration results */ - struct list_head calib_results; + wait_queue_head_t wait_command_queue; /* pointer to trans specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ - char trans_specific[0] __attribute__((__aligned__(sizeof(void *)))); + char trans_specific[0] __aligned(sizeof(void *)); }; -static inline int iwl_trans_request_irq(struct iwl_trans *trans) +static inline void iwl_trans_configure(struct iwl_trans *trans, + const struct iwl_trans_config *trans_cfg) { - return trans->ops->request_irq(trans); + /* + * only set the op_mode for the moment. Later on, this function will do + * more + */ + trans->op_mode = trans_cfg->op_mode; + + trans->ops->configure(trans, trans_cfg); } -static inline int iwl_trans_start_device(struct iwl_trans *trans) +static inline int iwl_trans_start_hw(struct iwl_trans *trans) { - return trans->ops->start_device(trans); + might_sleep(); + + return trans->ops->start_hw(trans); } -static inline int iwl_trans_prepare_card_hw(struct iwl_trans *trans) +static inline void iwl_trans_stop_hw(struct iwl_trans *trans) { - return trans->ops->prepare_card_hw(trans); + might_sleep(); + + trans->ops->stop_hw(trans); + + trans->state = IWL_TRANS_NO_FW; } -static inline void iwl_trans_stop_device(struct iwl_trans *trans) +static inline void iwl_trans_fw_alive(struct iwl_trans *trans) { - trans->ops->stop_device(trans); + might_sleep(); + + trans->ops->fw_alive(trans); + + trans->state = IWL_TRANS_FW_ALIVE; } -static inline void iwl_trans_tx_start(struct iwl_trans *trans) +static inline int iwl_trans_start_fw(struct iwl_trans *trans, + const struct fw_img *fw) { - trans->ops->tx_start(trans); + might_sleep(); + + return trans->ops->start_fw(trans, fw); } -static inline void iwl_trans_wake_any_queue(struct iwl_trans *trans, - enum iwl_rxon_context_id ctx, - const char *msg) +static inline void iwl_trans_stop_device(struct iwl_trans *trans) { - trans->ops->wake_any_queue(trans, ctx, msg); + might_sleep(); + + trans->ops->stop_device(trans); + + trans->state = IWL_TRANS_NO_FW; } +static inline void iwl_trans_wowlan_suspend(struct iwl_trans *trans) +{ + might_sleep(); + trans->ops->wowlan_suspend(trans); +} static inline int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) { + WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "%s bad state = %d", __func__, trans->state); + return trans->ops->send_cmd(trans, cmd); } -int iwl_trans_send_cmd_pdu(struct iwl_trans *trans, u8 id, - u32 flags, u16 len, const void *data); - static inline int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb, struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx, u8 sta_id, u8 tid) { + if (trans->state != IWL_TRANS_FW_ALIVE) + IWL_ERR(trans, "%s bad state = %d", __func__, trans->state); + return trans->ops->tx(trans, skb, dev_cmd, ctx, sta_id, tid); } static inline int iwl_trans_reclaim(struct iwl_trans *trans, int sta_id, - int tid, int txq_id, int ssn, u32 status, + int tid, int txq_id, int ssn, struct sk_buff_head *skbs) { - return trans->ops->reclaim(trans, sta_id, tid, txq_id, ssn, - status, skbs); + WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "%s bad state = %d", __func__, trans->state); + + return trans->ops->reclaim(trans, sta_id, tid, txq_id, ssn, skbs); } static inline int iwl_trans_tx_agg_disable(struct iwl_trans *trans, int sta_id, int tid) { + WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "%s bad state = %d", __func__, trans->state); + return trans->ops->tx_agg_disable(trans, sta_id, tid); } static inline int iwl_trans_tx_agg_alloc(struct iwl_trans *trans, int sta_id, int tid) { + WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "%s bad state = %d", __func__, trans->state); + return trans->ops->tx_agg_alloc(trans, sta_id, tid); } @@ -334,12 +550,12 @@ static inline void iwl_trans_tx_agg_setup(struct iwl_trans *trans, int sta_id, int tid, int frame_limit, u16 ssn) { - trans->ops->tx_agg_setup(trans, ctx, sta_id, tid, frame_limit, ssn); -} + might_sleep(); -static inline void iwl_trans_kick_nic(struct iwl_trans *trans) -{ - trans->ops->kick_nic(trans); + WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "%s bad state = %d", __func__, trans->state); + + trans->ops->tx_agg_setup(trans, ctx, sta_id, tid, frame_limit, ssn); } static inline void iwl_trans_free(struct iwl_trans *trans) @@ -347,19 +563,19 @@ static inline void iwl_trans_free(struct iwl_trans *trans) trans->ops->free(trans); } -static inline void iwl_trans_stop_queue(struct iwl_trans *trans, int q, - const char *msg) -{ - trans->ops->stop_queue(trans, q, msg); -} - static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans) { + WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "%s bad state = %d", __func__, trans->state); + return trans->ops->wait_tx_queue_empty(trans); } static inline int iwl_trans_check_stuck_queue(struct iwl_trans *trans, int q) { + WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, + "%s bad state = %d", __func__, trans->state); + return trans->ops->check_stuck_queue(trans, q); } static inline int iwl_trans_dbgfs_register(struct iwl_trans *trans, @@ -380,18 +596,35 @@ static inline int iwl_trans_resume(struct iwl_trans *trans) } #endif -/***************************************************** -* Transport layers implementations -******************************************************/ -extern const struct iwl_trans_ops trans_ops_pcie; +static inline void iwl_trans_write8(struct iwl_trans *trans, u32 ofs, u8 val) +{ + trans->ops->write8(trans, ofs, val); +} -int iwl_alloc_fw_desc(struct iwl_bus *bus, struct fw_desc *desc, - const void *data, size_t len); -void iwl_dealloc_ucode(struct iwl_trans *trans); +static inline void iwl_trans_write32(struct iwl_trans *trans, u32 ofs, u32 val) +{ + trans->ops->write32(trans, ofs, val); +} -int iwl_send_calib_results(struct iwl_trans *trans); -int iwl_calib_set(struct iwl_trans *trans, - const struct iwl_calib_hdr *cmd, int len); -void iwl_calib_free_results(struct iwl_trans *trans); +static inline u32 iwl_trans_read32(struct iwl_trans *trans, u32 ofs) +{ + return trans->ops->read32(trans, ofs); +} +/***************************************************** +* Transport layers implementations + their allocation function +******************************************************/ +struct pci_dev; +struct pci_device_id; +extern const struct iwl_trans_ops trans_ops_pcie; +struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd, + struct pci_dev *pdev, + const struct pci_device_id *ent); +int __must_check iwl_pci_register_driver(void); +void iwl_pci_unregister_driver(void); + +extern const struct iwl_trans_ops trans_ops_idi; +struct iwl_trans *iwl_trans_idi_alloc(struct iwl_shared *shrd, + void *pdev_void, + const void *ent_void); #endif /* __iwl_trans_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-ucode.c b/drivers/net/wireless/iwlwifi/iwl-ucode.c index 36a1b5b25858..252828728837 100644 --- a/drivers/net/wireless/iwlwifi/iwl-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-ucode.c @@ -2,7 +2,7 @@ * * GPL LICENSE SUMMARY * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -28,12 +28,8 @@ *****************************************************************************/ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/init.h> -#include <linux/sched.h> -#include <linux/dma-mapping.h> -#include "iwl-wifi.h" #include "iwl-dev.h" #include "iwl-core.h" #include "iwl-io.h" @@ -42,6 +38,7 @@ #include "iwl-agn-calib.h" #include "iwl-trans.h" #include "iwl-fh.h" +#include "iwl-op-mode.h" static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = { {COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP, @@ -80,157 +77,35 @@ static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = { * ******************************************************************************/ -static void iwl_free_fw_desc(struct iwl_bus *bus, struct fw_desc *desc) +static inline const struct fw_img * +iwl_get_ucode_image(struct iwl_priv *priv, enum iwl_ucode_type ucode_type) { - if (desc->v_addr) - dma_free_coherent(bus->dev, desc->len, - desc->v_addr, desc->p_addr); - desc->v_addr = NULL; - desc->len = 0; -} - -static void iwl_free_fw_img(struct iwl_bus *bus, struct fw_img *img) -{ - iwl_free_fw_desc(bus, &img->code); - iwl_free_fw_desc(bus, &img->data); -} - -void iwl_dealloc_ucode(struct iwl_trans *trans) -{ - iwl_free_fw_img(bus(trans), &trans->ucode_rt); - iwl_free_fw_img(bus(trans), &trans->ucode_init); - iwl_free_fw_img(bus(trans), &trans->ucode_wowlan); -} - -int iwl_alloc_fw_desc(struct iwl_bus *bus, struct fw_desc *desc, - const void *data, size_t len) -{ - if (!len) { - desc->v_addr = NULL; - return -EINVAL; - } - - desc->v_addr = dma_alloc_coherent(bus->dev, len, - &desc->p_addr, GFP_KERNEL); - if (!desc->v_addr) - return -ENOMEM; + if (ucode_type >= IWL_UCODE_TYPE_MAX) + return NULL; - desc->len = len; - memcpy(desc->v_addr, data, len); - return 0; -} - -/* - * ucode - */ -static int iwl_load_section(struct iwl_trans *trans, const char *name, - struct fw_desc *image, u32 dst_addr) -{ - struct iwl_bus *bus = bus(trans); - dma_addr_t phy_addr = image->p_addr; - u32 byte_cnt = image->len; - int ret; - - trans->ucode_write_complete = 0; - - iwl_write_direct32(bus, - FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), - FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE); - - iwl_write_direct32(bus, - FH_SRVC_CHNL_SRAM_ADDR_REG(FH_SRVC_CHNL), dst_addr); - - iwl_write_direct32(bus, - FH_TFDIB_CTRL0_REG(FH_SRVC_CHNL), - phy_addr & FH_MEM_TFDIB_DRAM_ADDR_LSB_MSK); - - iwl_write_direct32(bus, - FH_TFDIB_CTRL1_REG(FH_SRVC_CHNL), - (iwl_get_dma_hi_addr(phy_addr) - << FH_MEM_TFDIB_REG1_ADDR_BITSHIFT) | byte_cnt); - - iwl_write_direct32(bus, - FH_TCSR_CHNL_TX_BUF_STS_REG(FH_SRVC_CHNL), - 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_NUM | - 1 << FH_TCSR_CHNL_TX_BUF_STS_REG_POS_TB_IDX | - FH_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID); - - iwl_write_direct32(bus, - FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), - FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | - FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE | - FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD); - - IWL_DEBUG_FW(bus, "%s uCode section being loaded...\n", name); - ret = wait_event_timeout(trans->shrd->wait_command_queue, - trans->ucode_write_complete, 5 * HZ); - if (!ret) { - IWL_ERR(trans, "Could not load the %s uCode section\n", - name); - return -ETIMEDOUT; - } - - return 0; -} - -static inline struct fw_img *iwl_get_ucode_image(struct iwl_trans *trans, - enum iwl_ucode_type ucode_type) -{ - switch (ucode_type) { - case IWL_UCODE_INIT: - return &trans->ucode_init; - case IWL_UCODE_WOWLAN: - return &trans->ucode_wowlan; - case IWL_UCODE_REGULAR: - return &trans->ucode_rt; - case IWL_UCODE_NONE: - break; - } - return NULL; -} - -static int iwl_load_given_ucode(struct iwl_trans *trans, - enum iwl_ucode_type ucode_type) -{ - int ret = 0; - struct fw_img *image = iwl_get_ucode_image(trans, ucode_type); - - - if (!image) { - IWL_ERR(trans, "Invalid ucode requested (%d)\n", - ucode_type); - return -EINVAL; - } - - ret = iwl_load_section(trans, "INST", &image->code, - IWLAGN_RTC_INST_LOWER_BOUND); - if (ret) - return ret; - - return iwl_load_section(trans, "DATA", &image->data, - IWLAGN_RTC_DATA_LOWER_BOUND); + return &priv->fw->img[ucode_type]; } /* * Calibration */ -static int iwl_set_Xtal_calib(struct iwl_trans *trans) +static int iwl_set_Xtal_calib(struct iwl_priv *priv) { struct iwl_calib_xtal_freq_cmd cmd; __le16 *xtal_calib = - (__le16 *)iwl_eeprom_query_addr(trans->shrd, EEPROM_XTAL); + (__le16 *)iwl_eeprom_query_addr(priv->shrd, EEPROM_XTAL); iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_CRYSTAL_FRQ_CMD); cmd.cap_pin1 = le16_to_cpu(xtal_calib[0]); cmd.cap_pin2 = le16_to_cpu(xtal_calib[1]); - return iwl_calib_set(trans, (void *)&cmd, sizeof(cmd)); + return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); } -static int iwl_set_temperature_offset_calib(struct iwl_trans *trans) +static int iwl_set_temperature_offset_calib(struct iwl_priv *priv) { struct iwl_calib_temperature_offset_cmd cmd; __le16 *offset_calib = - (__le16 *)iwl_eeprom_query_addr(trans->shrd, + (__le16 *)iwl_eeprom_query_addr(priv->shrd, EEPROM_RAW_TEMPERATURE); memset(&cmd, 0, sizeof(cmd)); @@ -239,48 +114,48 @@ static int iwl_set_temperature_offset_calib(struct iwl_trans *trans) if (!(cmd.radio_sensor_offset)) cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET; - IWL_DEBUG_CALIB(trans, "Radio sensor offset: %d\n", + IWL_DEBUG_CALIB(priv, "Radio sensor offset: %d\n", le16_to_cpu(cmd.radio_sensor_offset)); - return iwl_calib_set(trans, (void *)&cmd, sizeof(cmd)); + return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); } -static int iwl_set_temperature_offset_calib_v2(struct iwl_trans *trans) +static int iwl_set_temperature_offset_calib_v2(struct iwl_priv *priv) { struct iwl_calib_temperature_offset_v2_cmd cmd; - __le16 *offset_calib_high = (__le16 *)iwl_eeprom_query_addr(trans->shrd, + __le16 *offset_calib_high = (__le16 *)iwl_eeprom_query_addr(priv->shrd, EEPROM_KELVIN_TEMPERATURE); __le16 *offset_calib_low = - (__le16 *)iwl_eeprom_query_addr(trans->shrd, + (__le16 *)iwl_eeprom_query_addr(priv->shrd, EEPROM_RAW_TEMPERATURE); struct iwl_eeprom_calib_hdr *hdr; memset(&cmd, 0, sizeof(cmd)); iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD); - hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(trans->shrd, + hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(priv->shrd, EEPROM_CALIB_ALL); memcpy(&cmd.radio_sensor_offset_high, offset_calib_high, sizeof(*offset_calib_high)); memcpy(&cmd.radio_sensor_offset_low, offset_calib_low, sizeof(*offset_calib_low)); if (!(cmd.radio_sensor_offset_low)) { - IWL_DEBUG_CALIB(trans, "no info in EEPROM, use default\n"); + IWL_DEBUG_CALIB(priv, "no info in EEPROM, use default\n"); cmd.radio_sensor_offset_low = DEFAULT_RADIO_SENSOR_OFFSET; cmd.radio_sensor_offset_high = DEFAULT_RADIO_SENSOR_OFFSET; } memcpy(&cmd.burntVoltageRef, &hdr->voltage, sizeof(hdr->voltage)); - IWL_DEBUG_CALIB(trans, "Radio sensor offset high: %d\n", + IWL_DEBUG_CALIB(priv, "Radio sensor offset high: %d\n", le16_to_cpu(cmd.radio_sensor_offset_high)); - IWL_DEBUG_CALIB(trans, "Radio sensor offset low: %d\n", + IWL_DEBUG_CALIB(priv, "Radio sensor offset low: %d\n", le16_to_cpu(cmd.radio_sensor_offset_low)); - IWL_DEBUG_CALIB(trans, "Voltage Ref: %d\n", + IWL_DEBUG_CALIB(priv, "Voltage Ref: %d\n", le16_to_cpu(cmd.burntVoltageRef)); - return iwl_calib_set(trans, (void *)&cmd, sizeof(cmd)); + return iwl_calib_set(priv, (void *)&cmd, sizeof(cmd)); } -static int iwl_send_calib_cfg(struct iwl_trans *trans) +static int iwl_send_calib_cfg(struct iwl_priv *priv) { struct iwl_calib_cfg_cmd calib_cfg_cmd; struct iwl_host_cmd cmd = { @@ -296,47 +171,47 @@ static int iwl_send_calib_cfg(struct iwl_trans *trans) calib_cfg_cmd.ucd_calib_cfg.flags = IWL_CALIB_CFG_FLAG_SEND_COMPLETE_NTFY_MSK; - return iwl_trans_send_cmd(trans, &cmd); + return iwl_dvm_send_cmd(priv, &cmd); } int iwlagn_rx_calib_result(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb, + struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->u.raw; + struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->data; int len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK; /* reduce the size of the length field itself */ len -= 4; - if (iwl_calib_set(trans(priv), hdr, len)) + if (iwl_calib_set(priv, hdr, len)) IWL_ERR(priv, "Failed to record calibration data %d\n", hdr->op_code); return 0; } -int iwl_init_alive_start(struct iwl_trans *trans) +int iwl_init_alive_start(struct iwl_priv *priv) { int ret; - if (cfg(trans)->bt_params && - cfg(trans)->bt_params->advanced_bt_coexist) { + if (cfg(priv)->bt_params && + cfg(priv)->bt_params->advanced_bt_coexist) { /* * Tell uCode we are ready to perform calibration * need to perform this before any calibration * no need to close the envlope since we are going * to load the runtime uCode later. */ - ret = iwl_send_bt_env(trans, IWL_BT_COEX_ENV_OPEN, + ret = iwl_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN, BT_COEX_PRIO_TBL_EVT_INIT_CALIB2); if (ret) return ret; } - ret = iwl_send_calib_cfg(trans); + ret = iwl_send_calib_cfg(priv); if (ret) return ret; @@ -344,21 +219,21 @@ int iwl_init_alive_start(struct iwl_trans *trans) * temperature offset calibration is only needed for runtime ucode, * so prepare the value now. */ - if (cfg(trans)->need_temp_offset_calib) { - if (cfg(trans)->temp_offset_v2) - return iwl_set_temperature_offset_calib_v2(trans); + if (cfg(priv)->need_temp_offset_calib) { + if (cfg(priv)->temp_offset_v2) + return iwl_set_temperature_offset_calib_v2(priv); else - return iwl_set_temperature_offset_calib(trans); + return iwl_set_temperature_offset_calib(priv); } return 0; } -static int iwl_send_wimax_coex(struct iwl_trans *trans) +static int iwl_send_wimax_coex(struct iwl_priv *priv) { struct iwl_wimax_coex_cmd coex_cmd; - if (cfg(trans)->base_params->support_wimax_coexist) { + if (cfg(priv)->base_params->support_wimax_coexist) { /* UnMask wake up src at associated sleep */ coex_cmd.flags = COEX_FLAGS_ASSOC_WA_UNMASK_MSK; @@ -377,7 +252,7 @@ static int iwl_send_wimax_coex(struct iwl_trans *trans) /* coexistence is disabled */ memset(&coex_cmd, 0, sizeof(coex_cmd)); } - return iwl_trans_send_cmd_pdu(trans, + return iwl_dvm_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD, CMD_SYNC, sizeof(coex_cmd), &coex_cmd); } @@ -404,64 +279,54 @@ static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = { 0, 0, 0, 0, 0, 0, 0 }; -void iwl_send_prio_tbl(struct iwl_trans *trans) +void iwl_send_prio_tbl(struct iwl_priv *priv) { struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd; memcpy(prio_tbl_cmd.prio_tbl, iwl_bt_prio_tbl, sizeof(iwl_bt_prio_tbl)); - if (iwl_trans_send_cmd_pdu(trans, + if (iwl_dvm_send_cmd_pdu(priv, REPLY_BT_COEX_PRIO_TABLE, CMD_SYNC, sizeof(prio_tbl_cmd), &prio_tbl_cmd)) - IWL_ERR(trans, "failed to send BT prio tbl command\n"); + IWL_ERR(priv, "failed to send BT prio tbl command\n"); } -int iwl_send_bt_env(struct iwl_trans *trans, u8 action, u8 type) +int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type) { struct iwl_bt_coex_prot_env_cmd env_cmd; int ret; env_cmd.action = action; env_cmd.type = type; - ret = iwl_trans_send_cmd_pdu(trans, + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_COEX_PROT_ENV, CMD_SYNC, sizeof(env_cmd), &env_cmd); if (ret) - IWL_ERR(trans, "failed to send BT env command\n"); + IWL_ERR(priv, "failed to send BT env command\n"); return ret; } -static int iwl_alive_notify(struct iwl_trans *trans) +static int iwl_alive_notify(struct iwl_priv *priv) { - struct iwl_priv *priv = priv(trans); - struct iwl_rxon_context *ctx; int ret; - if (!priv->tx_cmd_pool) - priv->tx_cmd_pool = - kmem_cache_create("iwl_dev_cmd", - sizeof(struct iwl_device_cmd), - sizeof(void *), 0, NULL); + iwl_trans_fw_alive(trans(priv)); - if (!priv->tx_cmd_pool) - return -ENOMEM; + priv->passive_no_rx = false; + priv->transport_queue_stop = 0; - iwl_trans_tx_start(trans); - for_each_context(priv, ctx) - ctx->last_tx_rejected = false; - - ret = iwl_send_wimax_coex(trans); + ret = iwl_send_wimax_coex(priv); if (ret) return ret; if (!cfg(priv)->no_xtal_calib) { - ret = iwl_set_Xtal_calib(trans); + ret = iwl_set_Xtal_calib(priv); if (ret) return ret; } - return iwl_send_calib_results(trans); + return iwl_send_calib_results(priv); } @@ -470,23 +335,23 @@ static int iwl_alive_notify(struct iwl_trans *trans) * using sample data 100 bytes apart. If these sample points are good, * it's a pretty good bet that everything between them is good, too. */ -static int iwl_verify_inst_sparse(struct iwl_bus *bus, - struct fw_desc *fw_desc) +static int iwl_verify_sec_sparse(struct iwl_priv *priv, + const struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; u32 len = fw_desc->len; u32 val; u32 i; - IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len); + IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len); for (i = 0; i < len; i += 100, image += 100/sizeof(u32)) { /* read data comes through single port, auto-incr addr */ /* NOTE: Use the debugless read so we don't flood kernel log * if IWL_DL_IO is set */ - iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR, - i + IWLAGN_RTC_INST_LOWER_BOUND); - val = iwl_read32(bus, HBUS_TARG_MEM_RDAT); + iwl_write_direct32(trans(priv), HBUS_TARG_MEM_RADDR, + i + fw_desc->offset); + val = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) return -EIO; } @@ -494,8 +359,8 @@ static int iwl_verify_inst_sparse(struct iwl_bus *bus, return 0; } -static void iwl_print_mismatch_inst(struct iwl_bus *bus, - struct fw_desc *fw_desc) +static void iwl_print_mismatch_sec(struct iwl_priv *priv, + const struct fw_desc *fw_desc) { __le32 *image = (__le32 *)fw_desc->v_addr; u32 len = fw_desc->len; @@ -503,18 +368,18 @@ static void iwl_print_mismatch_inst(struct iwl_bus *bus, u32 offs; int errors = 0; - IWL_DEBUG_FW(bus, "ucode inst image size is %u\n", len); + IWL_DEBUG_FW(priv, "ucode inst image size is %u\n", len); - iwl_write_direct32(bus, HBUS_TARG_MEM_RADDR, - IWLAGN_RTC_INST_LOWER_BOUND); + iwl_write_direct32(trans(priv), HBUS_TARG_MEM_RADDR, + fw_desc->offset); for (offs = 0; offs < len && errors < 20; offs += sizeof(u32), image++) { /* read data comes through single port, auto-incr addr */ - val = iwl_read32(bus, HBUS_TARG_MEM_RDAT); + val = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); if (val != le32_to_cpu(*image)) { - IWL_ERR(bus, "uCode INST section at " + IWL_ERR(priv, "uCode INST section at " "offset 0x%x, is 0x%x, s/b 0x%x\n", offs, val, le32_to_cpu(*image)); errors++; @@ -526,24 +391,24 @@ static void iwl_print_mismatch_inst(struct iwl_bus *bus, * iwl_verify_ucode - determine which instruction image is in SRAM, * and verify its contents */ -static int iwl_verify_ucode(struct iwl_trans *trans, +static int iwl_verify_ucode(struct iwl_priv *priv, enum iwl_ucode_type ucode_type) { - struct fw_img *img = iwl_get_ucode_image(trans, ucode_type); + const struct fw_img *img = iwl_get_ucode_image(priv, ucode_type); if (!img) { - IWL_ERR(trans, "Invalid ucode requested (%d)\n", ucode_type); + IWL_ERR(priv, "Invalid ucode requested (%d)\n", ucode_type); return -EINVAL; } - if (!iwl_verify_inst_sparse(bus(trans), &img->code)) { - IWL_DEBUG_FW(trans, "uCode is good in inst SRAM\n"); + if (!iwl_verify_sec_sparse(priv, &img->sec[IWL_UCODE_SECTION_INST])) { + IWL_DEBUG_FW(priv, "uCode is good in inst SRAM\n"); return 0; } - IWL_ERR(trans, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n"); + IWL_ERR(priv, "UCODE IMAGE IN INSTRUCTION SRAM NOT VALID!!\n"); - iwl_print_mismatch_inst(bus(trans), &img->code); + iwl_print_mismatch_sec(priv, &img->sec[IWL_UCODE_SECTION_INST]); return -EIO; } @@ -552,137 +417,76 @@ struct iwl_alive_data { u8 subtype; }; -static void iwl_alive_fn(struct iwl_trans *trans, +static void iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, struct iwl_rx_packet *pkt, void *data) { + struct iwl_priv *priv = + container_of(notif_wait, struct iwl_priv, notif_wait); struct iwl_alive_data *alive_data = data; struct iwl_alive_resp *palive; - palive = &pkt->u.alive_frame; + palive = (void *)pkt->data; - IWL_DEBUG_FW(trans, "Alive ucode status 0x%08X revision " + IWL_DEBUG_FW(priv, "Alive ucode status 0x%08X revision " "0x%01X 0x%01X\n", palive->is_valid, palive->ver_type, palive->ver_subtype); - trans->shrd->device_pointers.error_event_table = + priv->shrd->device_pointers.error_event_table = le32_to_cpu(palive->error_event_table_ptr); - trans->shrd->device_pointers.log_event_table = + priv->shrd->device_pointers.log_event_table = le32_to_cpu(palive->log_event_table_ptr); alive_data->subtype = palive->ver_subtype; alive_data->valid = palive->is_valid == UCODE_VALID_OK; } -/* notification wait support */ -void iwl_init_notification_wait(struct iwl_shared *shrd, - struct iwl_notification_wait *wait_entry, - u8 cmd, - void (*fn)(struct iwl_trans *trans, - struct iwl_rx_packet *pkt, - void *data), - void *fn_data) -{ - wait_entry->fn = fn; - wait_entry->fn_data = fn_data; - wait_entry->cmd = cmd; - wait_entry->triggered = false; - wait_entry->aborted = false; - - spin_lock_bh(&shrd->notif_wait_lock); - list_add(&wait_entry->list, &shrd->notif_waits); - spin_unlock_bh(&shrd->notif_wait_lock); -} - -int iwl_wait_notification(struct iwl_shared *shrd, - struct iwl_notification_wait *wait_entry, - unsigned long timeout) -{ - int ret; - - ret = wait_event_timeout(shrd->notif_waitq, - wait_entry->triggered || wait_entry->aborted, - timeout); - - spin_lock_bh(&shrd->notif_wait_lock); - list_del(&wait_entry->list); - spin_unlock_bh(&shrd->notif_wait_lock); - - if (wait_entry->aborted) - return -EIO; - - /* return value is always >= 0 */ - if (ret <= 0) - return -ETIMEDOUT; - return 0; -} - -void iwl_remove_notification(struct iwl_shared *shrd, - struct iwl_notification_wait *wait_entry) -{ - spin_lock_bh(&shrd->notif_wait_lock); - list_del(&wait_entry->list); - spin_unlock_bh(&shrd->notif_wait_lock); -} - -void iwl_abort_notification_waits(struct iwl_shared *shrd) -{ - unsigned long flags; - struct iwl_notification_wait *wait_entry; - - spin_lock_irqsave(&shrd->notif_wait_lock, flags); - list_for_each_entry(wait_entry, &shrd->notif_waits, list) - wait_entry->aborted = true; - spin_unlock_irqrestore(&shrd->notif_wait_lock, flags); - - wake_up_all(&shrd->notif_waitq); -} - #define UCODE_ALIVE_TIMEOUT HZ #define UCODE_CALIB_TIMEOUT (2*HZ) -int iwl_load_ucode_wait_alive(struct iwl_trans *trans, +int iwl_load_ucode_wait_alive(struct iwl_priv *priv, enum iwl_ucode_type ucode_type) { struct iwl_notification_wait alive_wait; struct iwl_alive_data alive_data; + const struct fw_img *fw; int ret; enum iwl_ucode_type old_type; - ret = iwl_trans_start_device(trans); - if (ret) - return ret; + old_type = priv->shrd->ucode_type; + priv->shrd->ucode_type = ucode_type; + fw = iwl_get_ucode_image(priv, ucode_type); - iwl_init_notification_wait(trans->shrd, &alive_wait, REPLY_ALIVE, - iwl_alive_fn, &alive_data); + priv->ucode_loaded = false; + + if (!fw) + return -EINVAL; - old_type = trans->shrd->ucode_type; - trans->shrd->ucode_type = ucode_type; + iwl_init_notification_wait(&priv->notif_wait, &alive_wait, REPLY_ALIVE, + iwl_alive_fn, &alive_data); - ret = iwl_load_given_ucode(trans, ucode_type); + ret = iwl_trans_start_fw(trans(priv), fw); if (ret) { - trans->shrd->ucode_type = old_type; - iwl_remove_notification(trans->shrd, &alive_wait); + priv->shrd->ucode_type = old_type; + iwl_remove_notification(&priv->notif_wait, &alive_wait); return ret; } - iwl_trans_kick_nic(trans); - /* * Some things may run in the background now, but we * just wait for the ALIVE notification here. */ - ret = iwl_wait_notification(trans->shrd, &alive_wait, + ret = iwl_wait_notification(&priv->notif_wait, &alive_wait, UCODE_ALIVE_TIMEOUT); if (ret) { - trans->shrd->ucode_type = old_type; + priv->shrd->ucode_type = old_type; return ret; } if (!alive_data.valid) { - IWL_ERR(trans, "Loaded ucode is not valid!\n"); - trans->shrd->ucode_type = old_type; + IWL_ERR(priv, "Loaded ucode is not valid!\n"); + priv->shrd->ucode_type = old_type; return -EIO; } @@ -692,9 +496,9 @@ int iwl_load_ucode_wait_alive(struct iwl_trans *trans, * skip it for WoWLAN. */ if (ucode_type != IWL_UCODE_WOWLAN) { - ret = iwl_verify_ucode(trans, ucode_type); + ret = iwl_verify_ucode(priv, ucode_type); if (ret) { - trans->shrd->ucode_type = old_type; + priv->shrd->ucode_type = old_type; return ret; } @@ -702,41 +506,43 @@ int iwl_load_ucode_wait_alive(struct iwl_trans *trans, msleep(5); } - ret = iwl_alive_notify(trans); + ret = iwl_alive_notify(priv); if (ret) { - IWL_WARN(trans, + IWL_WARN(priv, "Could not complete ALIVE transition: %d\n", ret); - trans->shrd->ucode_type = old_type; + priv->shrd->ucode_type = old_type; return ret; } + priv->ucode_loaded = true; + return 0; } -int iwl_run_init_ucode(struct iwl_trans *trans) +int iwl_run_init_ucode(struct iwl_priv *priv) { struct iwl_notification_wait calib_wait; int ret; - lockdep_assert_held(&trans->shrd->mutex); + lockdep_assert_held(&priv->mutex); /* No init ucode required? Curious, but maybe ok */ - if (!trans->ucode_init.code.len) + if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len) return 0; - if (trans->shrd->ucode_type != IWL_UCODE_NONE) + if (priv->init_ucode_run) return 0; - iwl_init_notification_wait(trans->shrd, &calib_wait, + iwl_init_notification_wait(&priv->notif_wait, &calib_wait, CALIBRATION_COMPLETE_NOTIFICATION, NULL, NULL); /* Will also start the device */ - ret = iwl_load_ucode_wait_alive(trans, IWL_UCODE_INIT); + ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT); if (ret) goto error; - ret = iwl_init_alive_start(trans); + ret = iwl_init_alive_start(priv); if (ret) goto error; @@ -744,15 +550,19 @@ int iwl_run_init_ucode(struct iwl_trans *trans) * Some things may run in the background now, but we * just wait for the calibration complete notification. */ - ret = iwl_wait_notification(trans->shrd, &calib_wait, + ret = iwl_wait_notification(&priv->notif_wait, &calib_wait, UCODE_CALIB_TIMEOUT); + if (!ret) + priv->init_ucode_run = true; goto out; error: - iwl_remove_notification(trans->shrd, &calib_wait); + iwl_remove_notification(&priv->notif_wait, &calib_wait); out: /* Whatever happened, stop the device */ - iwl_trans_stop_device(trans); + iwl_trans_stop_device(trans(priv)); + priv->ucode_loaded = false; + return ret; } |
