diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
25 files changed, 1222 insertions, 228 deletions
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index e092af09d6bf..99310c033253 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -9,6 +9,9 @@ config IWLWIFI config IWLWIFI_LEDS bool "Enable LED support in iwlagn and iwl3945 drivers" depends on IWLWIFI + default y + ---help--- + Select this if you want LED support. config IWLWIFI_SPECTRUM_MEASUREMENT bool "Enable Spectrum Measurement in iwlagn driver" diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index a899be914ebf..5f7c52053c18 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -55,13 +55,88 @@ #define _IWL1000_MODULE_FIRMWARE(api) IWL1000_FW_PRE #api ".ucode" #define IWL1000_MODULE_FIRMWARE(api) _IWL1000_MODULE_FIRMWARE(api) + +/* + * For 1000, use advance thermal throttling critical temperature threshold, + * but legacy thermal management implementation for now. + * This is for the reason of 1000 uCode using advance thermal throttling API + * but not implement ct_kill_exit based on ct_kill exit temperature + * so the thermal throttling will still based on legacy thermal throttling + * management. + * The code here need to be modified once 1000 uCode has the advanced thermal + * throttling algorithm in place + */ +static void iwl1000_set_ct_threshold(struct iwl_priv *priv) +{ + /* want Celsius */ + priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY; + priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD; +} + +static struct iwl_lib_ops iwl1000_lib = { + .set_hw_params = iwl5000_hw_set_hw_params, + .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl, + .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl, + .txq_set_sched = iwl5000_txq_set_sched, + .txq_agg_enable = iwl5000_txq_agg_enable, + .txq_agg_disable = iwl5000_txq_agg_disable, + .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd, + .txq_free_tfd = iwl_hw_txq_free_tfd, + .txq_init = iwl_hw_tx_queue_init, + .rx_handler_setup = iwl5000_rx_handler_setup, + .setup_deferred_work = iwl5000_setup_deferred_work, + .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr, + .load_ucode = iwl5000_load_ucode, + .init_alive_start = iwl5000_init_alive_start, + .alive_notify = iwl5000_alive_notify, + .send_tx_power = iwl5000_send_tx_power, + .update_chain_flags = iwl_update_chain_flags, + .apm_ops = { + .init = iwl5000_apm_init, + .reset = iwl5000_apm_reset, + .stop = iwl5000_apm_stop, + .config = iwl5000_nic_config, + .set_pwr_src = iwl_set_pwr_src, + }, + .eeprom_ops = { + .regulatory_bands = { + EEPROM_5000_REG_BAND_1_CHANNELS, + EEPROM_5000_REG_BAND_2_CHANNELS, + EEPROM_5000_REG_BAND_3_CHANNELS, + EEPROM_5000_REG_BAND_4_CHANNELS, + EEPROM_5000_REG_BAND_5_CHANNELS, + EEPROM_5000_REG_BAND_24_FAT_CHANNELS, + EEPROM_5000_REG_BAND_52_FAT_CHANNELS + }, + .verify_signature = iwlcore_eeprom_verify_signature, + .acquire_semaphore = iwlcore_eeprom_acquire_semaphore, + .release_semaphore = iwlcore_eeprom_release_semaphore, + .calib_version = iwl5000_eeprom_calib_version, + .query_addr = iwl5000_eeprom_query_addr, + }, + .post_associate = iwl_post_associate, + .isr = iwl_isr_ict, + .config_ap = iwl_config_ap, + .temp_ops = { + .temperature = iwl5000_temperature, + .set_ct_kill = iwl1000_set_ct_threshold, + }, +}; + +static struct iwl_ops iwl1000_ops = { + .ucode = &iwl5000_ucode, + .lib = &iwl1000_lib, + .hcmd = &iwl5000_hcmd, + .utils = &iwl5000_hcmd_utils, +}; + struct iwl_cfg iwl1000_bgn_cfg = { .name = "1000 Series BGN", .fw_name_pre = IWL1000_FW_PRE, .ucode_api_max = IWL1000_UCODE_API_MAX, .ucode_api_min = IWL1000_UCODE_API_MIN, .sku = IWL_SKU_G|IWL_SKU_N, - .ops = &iwl5000_ops, + .ops = &iwl1000_ops, .eeprom_size = IWL_5000_EEPROM_IMG_SIZE, .eeprom_ver = EEPROM_5000_EEPROM_VERSION, .eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION, diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-led.c b/drivers/net/wireless/iwlwifi/iwl-3945-led.c index 225e5f889346..8c29ded7d02c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-led.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-led.c @@ -79,11 +79,10 @@ static const struct { #define IWL_MAX_BLINK_TBL (ARRAY_SIZE(blink_tbl) - 1) /*Exclude Solid on*/ #define IWL_SOLID_BLINK_IDX (ARRAY_SIZE(blink_tbl) - 1) -static int iwl3945_led_cmd_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, - struct sk_buff *skb) +static void iwl3945_led_cmd_callback(struct iwl_priv *priv, + struct iwl_device_cmd *cmd, + struct sk_buff *skb) { - return 1; } static inline int iwl3945_brightness_to_idx(enum led_brightness brightness) @@ -99,8 +98,8 @@ static int iwl_send_led_cmd(struct iwl_priv *priv, .id = REPLY_LEDS_CMD, .len = sizeof(struct iwl_led_cmd), .data = led_cmd, - .meta.flags = CMD_ASYNC, - .meta.u.callback = iwl3945_led_cmd_callback, + .flags = CMD_ASYNC, + .callback = iwl3945_led_cmd_callback, }; return iwl_send_cmd(priv, &cmd); diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 8ee403cd9b99..e1b0ef3c56a3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -749,8 +749,8 @@ void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq) /* Unmap tx_cmd */ if (counter) pci_unmap_single(dev, - pci_unmap_addr(&txq->cmd[index]->meta, mapping), - pci_unmap_len(&txq->cmd[index]->meta, len), + pci_unmap_addr(&txq->meta[index], mapping), + pci_unmap_len(&txq->meta[index], len), PCI_DMA_TODEVICE); /* unmap chunks if any */ @@ -774,9 +774,11 @@ void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq) * iwl3945_hw_build_tx_cmd_rate - Add rate portion to TX_CMD: * */ -void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, struct iwl_cmd *cmd, - struct ieee80211_tx_info *info, - struct ieee80211_hdr *hdr, int sta_id, int tx_id) +void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, + struct iwl_device_cmd *cmd, + struct ieee80211_tx_info *info, + struct ieee80211_hdr *hdr, + int sta_id, int tx_id) { u16 hw_value = ieee80211_get_tx_rate(priv->hw, info)->hw_value; u16 rate_index = min(hw_value & 0xffff, IWL_RATE_COUNT - 1); @@ -1858,7 +1860,7 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv) struct iwl_host_cmd cmd = { .id = REPLY_RXON_ASSOC, .len = sizeof(rxon_assoc), - .meta.flags = CMD_WANT_SKB, + .flags = CMD_WANT_SKB, .data = &rxon_assoc, }; const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon; @@ -1882,14 +1884,14 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv) if (rc) return rc; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl_rx_packet *)cmd.reply_skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERR(priv, "Bad return from REPLY_RXON_ASSOC command\n"); rc = -EIO; } priv->alloc_rxb_skb--; - dev_kfree_skb_any(cmd.meta.u.skb); + dev_kfree_skb_any(cmd.reply_skb); return rc; } diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index f2ffc48cbaf8..f24036909916 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -254,10 +254,11 @@ extern int iwl3945_hw_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq); extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl_priv *priv, struct iwl3945_frame *frame, u8 rate); -void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, struct iwl_cmd *cmd, - struct ieee80211_tx_info *info, - struct ieee80211_hdr *hdr, - int sta_id, int tx_id); +void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv, + struct iwl_device_cmd *cmd, + struct ieee80211_tx_info *info, + struct ieee80211_hdr *hdr, + int sta_id, int tx_id); extern int iwl3945_hw_reg_send_txpower(struct iwl_priv *priv); extern int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power); extern void iwl3945_hw_rx_statistics(struct iwl_priv *priv, diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index c30a1b960576..670214823cb9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -776,7 +776,8 @@ static struct iwl_sensitivity_ranges iwl4965_sensitivity = { static void iwl4965_set_ct_threshold(struct iwl_priv *priv) { /* want Kelvin */ - priv->hw_params.ct_kill_threshold = CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD); + priv->hw_params.ct_kill_threshold = + CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY); } /** @@ -1796,6 +1797,7 @@ static void iwl4965_temperature_calib(struct iwl_priv *priv) } priv->temperature = temp; + iwl_tt_handler(priv); set_bit(STATUS_TEMPERATURE, &priv->status); if (!priv->disable_tx_power_cal && diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 702db07fa382..ddd64fef3039 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -91,7 +91,7 @@ static int iwl5000_apm_stop_master(struct iwl_priv *priv) } -static int iwl5000_apm_init(struct iwl_priv *priv) +int iwl5000_apm_init(struct iwl_priv *priv) { int ret = 0; @@ -137,7 +137,7 @@ static int iwl5000_apm_init(struct iwl_priv *priv) } /* FIXME: this is identical to 4965 */ -static void iwl5000_apm_stop(struct iwl_priv *priv) +void iwl5000_apm_stop(struct iwl_priv *priv) { unsigned long flags; @@ -156,7 +156,7 @@ static void iwl5000_apm_stop(struct iwl_priv *priv) } -static int iwl5000_apm_reset(struct iwl_priv *priv) +int iwl5000_apm_reset(struct iwl_priv *priv) { int ret = 0; @@ -198,7 +198,7 @@ out: } -static void iwl5000_nic_config(struct iwl_priv *priv) +void iwl5000_nic_config(struct iwl_priv *priv) { unsigned long flags; u16 radio_cfg; @@ -290,7 +290,7 @@ static u32 eeprom_indirect_address(const struct iwl_priv *priv, u32 address) return (address & ADDRESS_MSK) + (offset << 1); } -static u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv) +u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv) { struct iwl_eeprom_calib_hdr { u8 version; @@ -436,7 +436,7 @@ static struct iwl_sensitivity_ranges iwl5150_sensitivity = { .nrg_th_ofdm = 95, }; -static const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv, +const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv, size_t offset) { u32 address = eeprom_indirect_address(priv, offset); @@ -447,7 +447,7 @@ static const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv, static void iwl5150_set_ct_threshold(struct iwl_priv *priv) { const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF; - s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD) - + s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) - iwl_temp_calib_to_offset(priv); priv->hw_params.ct_kill_threshold = threshold * volt2temp_coef; @@ -456,7 +456,7 @@ static void iwl5150_set_ct_threshold(struct iwl_priv *priv) static void iwl5000_set_ct_threshold(struct iwl_priv *priv) { /* want Celsius */ - priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD; + priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD_LEGACY; } /* @@ -631,7 +631,7 @@ static int iwl5000_load_given_ucode(struct iwl_priv *priv, return ret; } -static int iwl5000_load_ucode(struct iwl_priv *priv) +int iwl5000_load_ucode(struct iwl_priv *priv) { int ret = 0; @@ -658,7 +658,7 @@ static int iwl5000_load_ucode(struct iwl_priv *priv) return ret; } -static void iwl5000_init_alive_start(struct iwl_priv *priv) +void iwl5000_init_alive_start(struct iwl_priv *priv) { int ret = 0; @@ -734,7 +734,7 @@ static int iwl5000_send_wimax_coex(struct iwl_priv *priv) sizeof(coex_cmd), &coex_cmd); } -static int iwl5000_alive_notify(struct iwl_priv *priv) +int iwl5000_alive_notify(struct iwl_priv *priv) { u32 a; unsigned long flags; @@ -821,7 +821,7 @@ static int iwl5000_alive_notify(struct iwl_priv *priv) return 0; } -static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) +int iwl5000_hw_set_hw_params(struct iwl_priv *priv) { if ((priv->cfg->mod_params->num_of_queues > IWL50_NUM_QUEUES) || (priv->cfg->mod_params->num_of_queues < IWL_MIN_NUM_QUEUES)) { @@ -892,7 +892,7 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) /** * iwl5000_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array */ -static void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv, +void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv, struct iwl_tx_queue *txq, u16 byte_cnt) { @@ -932,7 +932,7 @@ static void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv, tfd_offset[TFD_QUEUE_SIZE_MAX + write_ptr] = bc_ent; } -static void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, +void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, struct iwl_tx_queue *txq) { struct iwl5000_scd_bc_tbl *scd_bc_tbl = priv->scd_bc_tbls.addr; @@ -987,7 +987,7 @@ static void iwl5000_tx_queue_stop_scheduler(struct iwl_priv *priv, u16 txq_id) (1 << IWL50_SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN)); } -static int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id, +int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id, int tx_fifo, int sta_id, int tid, u16 ssn_idx) { unsigned long flags; @@ -1048,7 +1048,7 @@ static int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id, return 0; } -static int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id, +int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id, u16 ssn_idx, u8 tx_fifo) { if ((IWL50_FIRST_AMPDU_QUEUE > txq_id) || @@ -1091,7 +1091,7 @@ u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data) * Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask * must be called under priv->lock and mac access */ -static void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask) +void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask) { iwl_write_prph(priv, IWL50_SCD_TXFACT, mask); } @@ -1312,13 +1312,13 @@ u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len) return len; } -static void iwl5000_setup_deferred_work(struct iwl_priv *priv) +void iwl5000_setup_deferred_work(struct iwl_priv *priv) { /* in 5000 the tx power calibration is done in uCode */ priv->disable_tx_power_cal = 1; } -static void iwl5000_rx_handler_setup(struct iwl_priv *priv) +void iwl5000_rx_handler_setup(struct iwl_priv *priv) { /* init calibration handlers */ priv->rx_handlers[CALIBRATION_RES_NOTIFICATION] = @@ -1329,7 +1329,7 @@ static void iwl5000_rx_handler_setup(struct iwl_priv *priv) } -static int iwl5000_hw_valid_rtc_data_addr(u32 addr) +int iwl5000_hw_valid_rtc_data_addr(u32 addr) { return (addr >= IWL50_RTC_DATA_LOWER_BOUND) && (addr < IWL50_RTC_DATA_UPPER_BOUND); @@ -1381,7 +1381,7 @@ static int iwl5000_send_rxon_assoc(struct iwl_priv *priv) return ret; } -static int iwl5000_send_tx_power(struct iwl_priv *priv) +int iwl5000_send_tx_power(struct iwl_priv *priv) { struct iwl5000_tx_power_dbm_cmd tx_power_cmd; u8 tx_ant_cfg_cmd; @@ -1401,10 +1401,11 @@ static int iwl5000_send_tx_power(struct iwl_priv *priv) NULL); } -static void iwl5000_temperature(struct iwl_priv *priv) +void iwl5000_temperature(struct iwl_priv *priv) { /* store temperature from statistics (in Celsius) */ priv->temperature = le32_to_cpu(priv->statistics.general.temperature); + iwl_tt_handler(priv); } static void iwl5150_temperature(struct iwl_priv *priv) diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 26c5d4a60d17..59ff73536f3a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -61,6 +61,63 @@ #define _IWL6050_MODULE_FIRMWARE(api) IWL6050_FW_PRE #api ".ucode" #define IWL6050_MODULE_FIRMWARE(api) _IWL6050_MODULE_FIRMWARE(api) +static void iwl6000_set_ct_threshold(struct iwl_priv *priv) +{ + /* want Celsius */ + priv->hw_params.ct_kill_threshold = CT_KILL_THRESHOLD; + priv->hw_params.ct_kill_exit_threshold = CT_KILL_EXIT_THRESHOLD; +} + +static struct iwl_lib_ops iwl6000_lib = { + .set_hw_params = iwl5000_hw_set_hw_params, + .txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl, + .txq_inval_byte_cnt_tbl = iwl5000_txq_inval_byte_cnt_tbl, + .txq_set_sched = iwl5000_txq_set_sched, + .txq_agg_enable = iwl5000_txq_agg_enable, + .txq_agg_disable = iwl5000_txq_agg_disable, + .txq_attach_buf_to_tfd = iwl_hw_txq_attach_buf_to_tfd, + .txq_free_tfd = iwl_hw_txq_free_tfd, + .txq_init = iwl_hw_tx_queue_init, + .rx_handler_setup = iwl5000_rx_handler_setup, + .setup_deferred_work = iwl5000_setup_deferred_work, + .is_valid_rtc_data_addr = iwl5000_hw_valid_rtc_data_addr, + .load_ucode = iwl5000_load_ucode, + .init_alive_start = iwl5000_init_alive_start, + .alive_notify = iwl5000_alive_notify, + .send_tx_power = iwl5000_send_tx_power, + .update_chain_flags = iwl_update_chain_flags, + .apm_ops = { + .init = iwl5000_apm_init, + .reset = iwl5000_apm_reset, + .stop = iwl5000_apm_stop, + .config = iwl5000_nic_config, + .set_pwr_src = iwl_set_pwr_src, + }, + .eeprom_ops = { + .regulatory_bands = { + EEPROM_5000_REG_BAND_1_CHANNELS, + EEPROM_5000_REG_BAND_2_CHANNELS, + EEPROM_5000_REG_BAND_3_CHANNELS, + EEPROM_5000_REG_BAND_4_CHANNELS, + EEPROM_5000_REG_BAND_5_CHANNELS, + EEPROM_5000_REG_BAND_24_FAT_CHANNELS, + EEPROM_5000_REG_BAND_52_FAT_CHANNELS + }, + .verify_signature = iwlcore_eeprom_verify_signature, + .acquire_semaphore = iwlcore_eeprom_acquire_semaphore, + .release_semaphore = iwlcore_eeprom_release_semaphore, + .calib_version = iwl5000_eeprom_calib_version, + .query_addr = iwl5000_eeprom_query_addr, + }, + .post_associate = iwl_post_associate, + .isr = iwl_isr_ict, + .config_ap = iwl_config_ap, + .temp_ops = { + .temperature = iwl5000_temperature, + .set_ct_kill = iwl6000_set_ct_threshold, + }, +}; + static struct iwl_hcmd_utils_ops iwl6000_hcmd_utils = { .get_hcmd_size = iwl5000_get_hcmd_size, .build_addsta_hcmd = iwl5000_build_addsta_hcmd, @@ -70,7 +127,7 @@ static struct iwl_hcmd_utils_ops iwl6000_hcmd_utils = { static struct iwl_ops iwl6000_ops = { .ucode = &iwl5000_ucode, - .lib = &iwl5000_lib, + .lib = &iwl6000_lib, .hcmd = &iwl5000_hcmd, .utils = &iwl6000_hcmd_utils, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 63280411fd58..52a4810274e9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -177,7 +177,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, struct sk_buff *skb, struct ieee80211_sta *sta, struct iwl_lq_sta *lq_sta); -static void rs_fill_link_cmd(const struct iwl_priv *priv, +static void rs_fill_link_cmd(struct iwl_priv *priv, struct iwl_lq_sta *lq_sta, u32 rate_n_flags); @@ -1398,6 +1398,12 @@ static int rs_move_legacy_other(struct iwl_priv *priv, int ret = 0; u8 update_search_tbl_counter = 0; + if (!iwl_ht_enabled(priv)) + /* stay in Legacy */ + tbl->action = IWL_LEGACY_SWITCH_ANTENNA1; + else if (iwl_tx_ant_restriction(priv) == IWL_TX_SINGLE && + tbl->action > IWL_LEGACY_SWITCH_SISO) + tbl->action = IWL_LEGACY_SWITCH_SISO; for (; ;) { lq_sta->action_counter++; switch (tbl->action) { @@ -1529,6 +1535,11 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, u8 update_search_tbl_counter = 0; int ret; + if (iwl_tx_ant_restriction(priv) == IWL_TX_SINGLE && + tbl->action > IWL_SISO_SWITCH_ANTENNA2) { + /* stay in SISO */ + tbl->action = IWL_SISO_SWITCH_ANTENNA1; + } for (;;) { lq_sta->action_counter++; switch (tbl->action) { @@ -1663,6 +1674,12 @@ static int rs_move_mimo2_to_other(struct iwl_priv *priv, u8 update_search_tbl_counter = 0; int ret; + if ((iwl_tx_ant_restriction(priv) == IWL_TX_SINGLE) && + (tbl->action < IWL_MIMO2_SWITCH_SISO_A || + tbl->action > IWL_MIMO2_SWITCH_SISO_C)) { + /* switch in SISO */ + tbl->action = IWL_MIMO2_SWITCH_SISO_A; + } for (;;) { lq_sta->action_counter++; switch (tbl->action) { @@ -1799,6 +1816,12 @@ static int rs_move_mimo3_to_other(struct iwl_priv *priv, int ret; u8 update_search_tbl_counter = 0; + if ((iwl_tx_ant_restriction(priv) == IWL_TX_SINGLE) && + (tbl->action < IWL_MIMO3_SWITCH_SISO_A || + tbl->action > IWL_MIMO3_SWITCH_SISO_C)) { + /* switch in SISO */ + tbl->action = IWL_MIMO3_SWITCH_SISO_A; + } for (;;) { lq_sta->action_counter++; switch (tbl->action) { @@ -2003,6 +2026,25 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta) } /* + * setup rate table in uCode + * return rate_n_flags as used in the table + */ +static u32 rs_update_rate_tbl(struct iwl_priv *priv, + struct iwl_lq_sta *lq_sta, + struct iwl_scale_tbl_info *tbl, + int index, u8 is_green) +{ + u32 rate; + + /* Update uCode's rate table. */ + rate = rate_n_flags_from_tbl(priv, tbl, index, is_green); + rs_fill_link_cmd(priv, lq_sta, rate); + iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC); + + return rate; +} + +/* * Do rate scaling and search for new modulation mode. */ static void rs_rate_scale_perform(struct iwl_priv *priv, @@ -2098,6 +2140,16 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, if (!((1 << index) & rate_scale_index_msk)) { IWL_ERR(priv, "Current Rate is not valid\n"); + if (lq_sta->search_better_tbl) { + /* revert to active table if search table is not valid*/ + tbl->lq_type = LQ_NONE; + lq_sta->search_better_tbl = 0; + tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); + /* get "active" rate info */ + index = iwl_hwrate_to_plcp_idx(tbl->current_rate); + rate = rs_update_rate_tbl(priv, lq_sta, + tbl, index, is_green); + } return; } @@ -2149,8 +2201,8 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, tbl->expected_tpt[index] + 64) / 128)); /* If we are searching for better modulation mode, check success. */ - if (lq_sta->search_better_tbl) { - + if (lq_sta->search_better_tbl && + (iwl_tx_ant_restriction(priv) == IWL_TX_MULTI)) { /* If good success, continue using the "search" mode; * no need to send new link quality command, since we're * continuing to use the setup that we've been trying. */ @@ -2278,7 +2330,11 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, ((sr > IWL_RATE_HIGH_TH) || (current_tpt > (100 * tbl->expected_tpt[low])))) scale_action = 0; - + if (!iwl_ht_enabled(priv) && !is_legacy(tbl->lq_type)) + scale_action = -1; + if (iwl_tx_ant_restriction(priv) != IWL_TX_MULTI && + (is_mimo2(tbl->lq_type) || is_mimo3(tbl->lq_type))) + scale_action = -1; switch (scale_action) { case -1: /* Decrease starting rate, update uCode's rate table */ @@ -2308,15 +2364,15 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, lq_update: /* Replace uCode's rate table for the destination station. */ - if (update_lq) { - rate = rate_n_flags_from_tbl(priv, tbl, index, is_green); - rs_fill_link_cmd(priv, lq_sta, rate); - iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC); - } - - /* Should we stay with this modulation mode, or search for a new one? */ - rs_stay_in_table(lq_sta); + if (update_lq) + rate = rs_update_rate_tbl(priv, lq_sta, + tbl, index, is_green); + if (iwl_tx_ant_restriction(priv) == IWL_TX_MULTI) { + /* Should we stay with this modulation mode, + * or search for a new one? */ + rs_stay_in_table(lq_sta); + } /* * Search for new modulation mode if we're: * 1) Not changing rates right now @@ -2373,7 +2429,8 @@ lq_update: * have been tried and compared, stay in this best modulation * mode for a while before next round of mode comparisons. */ if (lq_sta->enable_counter && - (lq_sta->action_counter >= tbl1->max_search)) { + (lq_sta->action_counter >= tbl1->max_search) && + iwl_ht_enabled(priv)) { if ((lq_sta->last_tpt > IWL_AGG_TPT_THREHOLD) && (lq_sta->tx_agg_tid_en & (1 << tid)) && (tid != MAX_TID_COUNT)) { @@ -2659,7 +2716,7 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband, rs_initialize_lq(priv, conf, sta, lq_sta); } -static void rs_fill_link_cmd(const struct iwl_priv *priv, +static void rs_fill_link_cmd(struct iwl_priv *priv, struct iwl_lq_sta *lq_sta, u32 new_rate) { struct iwl_scale_tbl_info tbl_type; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 44c7f236a7a3..4cb1a1b73483 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -442,8 +442,8 @@ void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq) /* Unmap tx_cmd */ if (num_tbs) pci_unmap_single(dev, - pci_unmap_addr(&txq->cmd[index]->meta, mapping), - pci_unmap_len(&txq->cmd[index]->meta, len), + pci_unmap_addr(&txq->meta[index], mapping), + pci_unmap_len(&txq->meta[index], len), PCI_DMA_BIDIRECTIONAL); /* Unmap chunks, if any. */ @@ -637,7 +637,6 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags); unsigned long status = priv->status; - unsigned long reg_flags; IWL_DEBUG_RF_KILL(priv, "Card state received: HW:%s SW:%s\n", (flags & HW_CARD_DISABLED) ? "Kill" : "On", @@ -657,19 +656,12 @@ static void iwl_rx_card_state_notif(struct iwl_priv *priv, CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED); iwl_write_direct32(priv, HBUS_TARG_MBX_C, HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED); - - } - - if (flags & RF_CARD_DISABLED) { - iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, - CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); - iwl_read32(priv, CSR_UCODE_DRV_GP1); - spin_lock_irqsave(&priv->reg_lock, reg_flags); - if (!iwl_grab_nic_access(priv)) - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, reg_flags); } + if (flags & RF_CARD_DISABLED) + iwl_tt_enter_ct_kill(priv); } + if (!(flags & RF_CARD_DISABLED)) + iwl_tt_exit_ct_kill(priv); if (flags & HW_CARD_DISABLED) set_bit(STATUS_RF_KILL_HW, &priv->status); @@ -3015,6 +3007,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) test_bit(STATUS_RF_KILL_HW, &priv->status)); iwl_power_initialize(priv); + iwl_tt_initialize(priv); return 0; out_remove_sysfs: @@ -3067,6 +3060,8 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev) iwl_down(priv); } + iwl_tt_exit(priv); + /* make sure we flush any pending irq or * tasklet for the driver */ diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c index f8bf592e939c..13180d6ee2f7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-calib.c @@ -86,7 +86,7 @@ int iwl_send_calib_results(struct iwl_priv *priv) struct iwl_host_cmd hcmd = { .id = REPLY_PHY_CALIBRATION_CMD, - .meta.flags = CMD_SIZE_HUGE, + .flags = CMD_SIZE_HUGE, }; for (i = 0; i < IWL_CALIB_MAX; i++) { @@ -419,7 +419,7 @@ static int iwl_sensitivity_write(struct iwl_priv *priv) struct iwl_host_cmd cmd_out = { .id = SENSITIVITY_CMD, .len = sizeof(struct iwl_sensitivity_cmd), - .meta.flags = CMD_ASYNC, + .flags = CMD_ASYNC, .data = &cmd, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index ebb2fbce5365..39ede5727fe4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -2413,6 +2413,13 @@ struct iwl_ct_kill_config { __le32 critical_temperature_R; } __attribute__ ((packed)); +/* 1000, and 6x00 */ +struct iwl_ct_kill_throttling_config { + __le32 critical_temperature_exit; + __le32 reserved; + __le32 critical_temperature_enter; +} __attribute__ ((packed)); + /****************************************************************************** * (8) * Scan Commands, Responses, Notifications: diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 6aea02644809..8570d56b3124 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -632,6 +632,10 @@ u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv, if (!sta_ht_inf->ht_supported) return 0; } +#ifdef CONFIG_IWLWIFI_DEBUG + if (priv->disable_ht40) + return 0; +#endif return iwl_is_channel_extension(priv, priv->band, le16_to_cpu(priv->staging_rxon.channel), iwl_ht_conf->extension_chan_offset); @@ -1291,7 +1295,6 @@ static void iwl_print_rx_config_cmd(struct iwl_priv *priv) IWL_DEBUG_RADIO(priv, "u8[6] bssid_addr: %pM\n", rxon->bssid_addr); IWL_DEBUG_RADIO(priv, "u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id)); } -#endif static const char *desc_lookup_text[] = { "OK", @@ -1496,6 +1499,7 @@ void iwl_dump_nic_event_log(struct iwl_priv *priv) iwl_print_event_log(priv, 0, next_entry, mode); } +#endif /** * iwl_irq_handle_error - called for HW or SW error interrupt from card */ @@ -2089,7 +2093,7 @@ int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags) u32 stat_flags = 0; struct iwl_host_cmd cmd = { .id = REPLY_STATISTICS_CMD, - .meta.flags = flags, + .flags = flags, .len = sizeof(stat_flags), .data = (u8 *) &stat_flags, }; @@ -2224,6 +2228,7 @@ EXPORT_SYMBOL(iwl_verify_ucode); 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; @@ -2231,10 +2236,28 @@ void iwl_rf_kill_ct_config(struct iwl_priv *priv) iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); spin_unlock_irqrestore(&priv->lock, flags); + priv->power_data.ct_kill_toggle = false; + + switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) { + case CSR_HW_REV_TYPE_1000: + case CSR_HW_REV_TYPE_6x00: + case CSR_HW_REV_TYPE_6x50: + adv_cmd.critical_temperature_enter = + cpu_to_le32(priv->hw_params.ct_kill_threshold); + adv_cmd.critical_temperature_exit = + cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); + + ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, + sizeof(adv_cmd), &adv_cmd); + break; + default: + cmd.critical_temperature_R = + cpu_to_le32(priv->hw_params.ct_kill_threshold); - cmd.critical_temperature_R = - cpu_to_le32(priv->hw_params.ct_kill_threshold); - + ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, + sizeof(cmd), &cmd); + break; + } ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, sizeof(cmd), &cmd); if (ret) @@ -2263,7 +2286,7 @@ int iwl_send_card_state(struct iwl_priv *priv, u32 flags, u8 meta_flag) .id = REPLY_CARD_STATE_CMD, .len = sizeof(u32), .data = &flags, - .meta.flags = meta_flag, + .flags = meta_flag, }; return iwl_send_cmd(priv, &cmd); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 614ec7cc5b31..febcf76e1d41 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -446,9 +446,9 @@ int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, const void *data); int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len, const void *data, - int (*callback)(struct iwl_priv *priv, - struct iwl_cmd *cmd, - struct sk_buff *skb)); + void (*callback)(struct iwl_priv *priv, + struct iwl_device_cmd *cmd, + struct sk_buff *skb)); int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index 9faf0c2ff608..fbe177608bc7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -84,9 +84,11 @@ struct iwl_debugfs { struct dentry *file_status; struct dentry *file_interrupt; struct dentry *file_qos; + struct dentry *file_thermal_throttling; #ifdef CONFIG_IWLWIFI_LEDS struct dentry *file_led; #endif + struct dentry *file_disable_ht40; } dbgfs_data_files; struct dir_rf_files { struct dentry *file_disable_sensitivity; diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 0ab3463aa07e..7707a2655994 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -618,6 +618,84 @@ static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf, } #endif +static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = (struct iwl_priv *)file->private_data; + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + struct iwl_tt_restriction *restriction; + char buf[100]; + int pos = 0; + const size_t bufsz = sizeof(buf); + ssize_t ret; + + pos += scnprintf(buf + pos, bufsz - pos, + "Thermal Throttling Mode: %s\n", + (priv->power_data.adv_tt) + ? "Advance" : "Legacy"); + pos += scnprintf(buf + pos, bufsz - pos, + "Thermal Throttling State: %d\n", + tt->state); + if (priv->power_data.adv_tt) { + restriction = tt->restriction + tt->state; + pos += scnprintf(buf + pos, bufsz - pos, + "Tx mode: %d\n", + restriction->tx_stream); + pos += scnprintf(buf + pos, bufsz - pos, + "Rx mode: %d\n", + restriction->rx_stream); + pos += scnprintf(buf + pos, bufsz - pos, + "HT mode: %d\n", + restriction->is_ht); + } + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + return ret; +} + +static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = file->private_data; + char buf[8]; + int buf_size; + int ht40; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + if (sscanf(buf, "%d", &ht40) != 1) + return -EFAULT; + if (!iwl_is_associated(priv)) + priv->disable_ht40 = ht40 ? true : false; + else { + IWL_ERR(priv, "Sta associated with AP - " + "Change to 40MHz channel support is not allowed\n"); + return -EINVAL; + } + + return count; +} + +static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = (struct iwl_priv *)file->private_data; + char buf[100]; + int pos = 0; + const size_t bufsz = sizeof(buf); + ssize_t ret; + + pos += scnprintf(buf + pos, bufsz - pos, + "11n 40MHz Mode: %s\n", + priv->disable_ht40 ? "Disabled" : "Enabled"); + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + return ret; +} + DEBUGFS_READ_WRITE_FILE_OPS(sram); DEBUGFS_WRITE_FILE_OPS(log_event); DEBUGFS_READ_FILE_OPS(nvm); @@ -631,6 +709,8 @@ DEBUGFS_READ_FILE_OPS(qos); #ifdef CONFIG_IWLWIFI_LEDS DEBUGFS_READ_FILE_OPS(led); #endif +DEBUGFS_READ_FILE_OPS(thermal_throttling); +DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40); /* * Create the debugfs files and directories @@ -671,6 +751,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) #ifdef CONFIG_IWLWIFI_LEDS DEBUGFS_ADD_FILE(led, data); #endif + DEBUGFS_ADD_FILE(thermal_throttling, data); + DEBUGFS_ADD_FILE(disable_ht40, data); DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal); DEBUGFS_ADD_BOOL(disable_chain_noise, rf, &priv->disable_chain_noise_cal); @@ -709,6 +791,8 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv) #ifdef CONFIG_IWLWIFI_LEDS DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led); #endif + DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling); + DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40); DEBUGFS_REMOVE(priv->dbgfs->dir_data); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity); DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 0751891f4ab7..0ee3ad245697 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -63,6 +63,8 @@ extern struct iwl_cfg iwl6050_2agn_cfg; extern struct iwl_cfg iwl6050_3agn_cfg; extern struct iwl_cfg iwl1000_bgn_cfg; +struct iwl_tx_queue; + /* shared structures from iwl-5000.c */ extern struct iwl_mod_params iwl50_mod_params; extern struct iwl_ops iwl5000_ops; @@ -79,9 +81,37 @@ extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info, __le32 *tx_flags); extern int iwl5000_calc_rssi(struct iwl_priv *priv, struct iwl_rx_phy_res *rx_resp); +extern int iwl5000_apm_init(struct iwl_priv *priv); +extern void iwl5000_apm_stop(struct iwl_priv *priv); +extern int iwl5000_apm_reset(struct iwl_priv *priv); +extern void iwl5000_nic_config(struct iwl_priv *priv); +extern u16 iwl5000_eeprom_calib_version(struct iwl_priv *priv); +extern const u8 *iwl5000_eeprom_query_addr(const struct iwl_priv *priv, + size_t offset); +extern void iwl5000_txq_update_byte_cnt_tbl(struct iwl_priv *priv, + struct iwl_tx_queue *txq, + u16 byte_cnt); +extern void iwl5000_txq_inval_byte_cnt_tbl(struct iwl_priv *priv, + struct iwl_tx_queue *txq); +extern int iwl5000_load_ucode(struct iwl_priv *priv); +extern void iwl5000_init_alive_start(struct iwl_priv *priv); +extern int iwl5000_alive_notify(struct iwl_priv *priv); +extern int iwl5000_hw_set_hw_params(struct iwl_priv *priv); +extern int iwl5000_txq_agg_enable(struct iwl_priv *priv, int txq_id, + int tx_fifo, int sta_id, int tid, u16 ssn_idx); +extern int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id, + u16 ssn_idx, u8 tx_fifo); +extern void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask); +extern void iwl5000_setup_deferred_work(struct iwl_priv *priv); +extern void iwl5000_rx_handler_setup(struct iwl_priv *priv); +extern int iwl5000_hw_valid_rtc_data_addr(u32 addr); +extern int iwl5000_send_tx_power(struct iwl_priv *priv); +extern void iwl5000_temperature(struct iwl_priv *priv); /* CT-KILL constants */ -#define CT_KILL_THRESHOLD 110 /* in Celsius */ +#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */ +#define CT_KILL_THRESHOLD 114 /* in Celsius */ +#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */ /* Default noise level to report when noise measurement is not available. * This may be because we're: @@ -120,6 +150,31 @@ struct iwl_rx_mem_buffer { struct list_head list; }; +/* defined below */ +struct iwl_device_cmd; + +struct iwl_cmd_meta { + /* only for SYNC commands, iff the reply skb is wanted */ + struct iwl_host_cmd *source; + /* + * only for ASYNC commands + * (which is somewhat stupid -- look at iwl-sta.c for instance + * which duplicates a bunch of code because the callback isn't + * invoked for SYNC commands, if it were and its result passed + * through it would be simpler...) + */ + void (*callback)(struct iwl_priv *priv, + struct iwl_device_cmd *cmd, + struct sk_buff *skb); + + /* The CMD_SIZE_HUGE flag bit indicates that the command + * structure is stored at the end of the shared queue memory. */ + u32 flags; + + DECLARE_PCI_UNMAP_ADDR(mapping) + DECLARE_PCI_UNMAP_LEN(len) +}; + /* * Generic queue structure * @@ -147,7 +202,8 @@ struct iwl_tx_info { * struct iwl_tx_queue - Tx Queue for DMA * @q: generic Rx/Tx queue descriptor * @bd: base of circular buffer of TFDs - * @cmd: array of command/Tx buffers + * @cmd: array of command/TX buffer pointers + * @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 * @need_update: indicates need to update read/write index @@ -162,7 +218,8 @@ struct iwl_tx_info { struct iwl_tx_queue { struct iwl_queue q; void *tfds; - struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS]; + struct iwl_device_cmd **cmd; + struct iwl_cmd_meta *meta; struct iwl_tx_info *txb; u8 need_update; u8 sched_retry; @@ -299,35 +356,16 @@ enum { CMD_WANT_SKB = (1 << 2), }; -struct iwl_cmd; -struct iwl_priv; - -struct iwl_cmd_meta { - struct iwl_cmd_meta *source; - union { - struct sk_buff *skb; - int (*callback)(struct iwl_priv *priv, - struct iwl_cmd *cmd, struct sk_buff *skb); - } __attribute__ ((packed)) u; - - /* The CMD_SIZE_HUGE flag bit indicates that the command - * structure is stored at the end of the shared queue memory. */ - u32 flags; - DECLARE_PCI_UNMAP_ADDR(mapping) - DECLARE_PCI_UNMAP_LEN(len) -} __attribute__ ((packed)); - #define IWL_CMD_MAX_PAYLOAD 320 /** - * struct iwl_cmd + * struct iwl_device_cmd * * For allocation of the command and tx queues, this establishes the overall * size of the largest command we send to uCode, except for a scan command * (which is relatively huge; space is allocated separately). */ -struct iwl_cmd { - struct iwl_cmd_meta meta; /* driver data */ +struct iwl_device_cmd { struct iwl_cmd_header hdr; /* uCode API */ union { u32 flags; @@ -339,17 +377,20 @@ struct iwl_cmd { } __attribute__ ((packed)) cmd; } __attribute__ ((packed)); +#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) + struct iwl_host_cmd { - u8 id; - u16 len; - struct iwl_cmd_meta meta; const void *data; + struct sk_buff *reply_skb; + void (*callback)(struct iwl_priv *priv, + struct iwl_device_cmd *cmd, + struct sk_buff *skb); + u32 flags; + u16 len; + u8 id; }; -#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \ - sizeof(struct iwl_cmd_meta)) - /* * RX related structures and functions */ @@ -450,8 +491,16 @@ union iwl_ht_rate_supp { }; #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3) -#define CFG_HT_MPDU_DENSITY_2USEC (0x5) -#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC + +/* + * Maximal MPDU density for TX aggregation + * 4 - 2us density + * 5 - 4us density + * 6 - 8us density + * 7 - 16us density + */ +#define CFG_HT_MPDU_DENSITY_4USEC (0x5) +#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC struct iwl_ht_info { /* self configuration data */ @@ -630,6 +679,8 @@ struct iwl_hw_params { u32 max_data_size; u32 max_bsm_size; u32 ct_kill_threshold; /* value in hw-dependent units */ + u32 ct_kill_exit_threshold; /* value in hw-dependent units */ + /* for 1000, 6000 series and up */ u32 calib_init_cfg; const struct iwl_sensitivity_ranges *sens; }; @@ -1113,6 +1164,7 @@ struct iwl_priv { /* debugging info */ u32 framecnt_to_us; atomic_t restrict_refcnt; + bool disable_ht40; #ifdef CONFIG_IWLWIFI_DEBUGFS /* debugfs */ struct iwl_debugfs *dbgfs; diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c index 17d61ac8ed61..b82ad15d5189 100644 --- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c +++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c @@ -103,22 +103,23 @@ EXPORT_SYMBOL(get_cmd_string); #define HOST_COMPLETE_TIMEOUT (HZ / 2) -static int iwl_generic_cmd_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, struct sk_buff *skb) +static void iwl_generic_cmd_callback(struct iwl_priv *priv, + struct iwl_device_cmd *cmd, + struct sk_buff *skb) { struct iwl_rx_packet *pkt = NULL; if (!skb) { IWL_ERR(priv, "Error: Response NULL in %s.\n", get_cmd_string(cmd->hdr.cmd)); - return 1; + return; } pkt = (struct iwl_rx_packet *)skb->data; if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERR(priv, "Bad return from %s (0x%08X)\n", get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags); - return 1; + return; } #ifdef CONFIG_IWLWIFI_DEBUG @@ -127,29 +128,26 @@ static int iwl_generic_cmd_callback(struct iwl_priv *priv, case SENSITIVITY_CMD: IWL_DEBUG_HC_DUMP(priv, "back from %s (0x%08X)\n", get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags); - break; + break; default: IWL_DEBUG_HC(priv, "back from %s (0x%08X)\n", get_cmd_string(cmd->hdr.cmd), pkt->hdr.flags); } #endif - - /* Let iwl_tx_complete free the response skb */ - return 1; } static int iwl_send_cmd_async(struct iwl_priv *priv, struct iwl_host_cmd *cmd) { int ret; - BUG_ON(!(cmd->meta.flags & CMD_ASYNC)); + BUG_ON(!(cmd->flags & CMD_ASYNC)); /* An asynchronous command can not expect an SKB to be set. */ - BUG_ON(cmd->meta.flags & CMD_WANT_SKB); + BUG_ON(cmd->flags & CMD_WANT_SKB); /* Assign a generic callback if one is not provided */ - if (!cmd->meta.u.callback) - cmd->meta.u.callback = iwl_generic_cmd_callback; + if (!cmd->callback) + cmd->callback = iwl_generic_cmd_callback; if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return -EBUSY; @@ -168,10 +166,10 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) int cmd_idx; int ret; - BUG_ON(cmd->meta.flags & CMD_ASYNC); + BUG_ON(cmd->flags & CMD_ASYNC); /* A synchronous command can not have a callback set. */ - BUG_ON(cmd->meta.u.callback != NULL); + BUG_ON(cmd->callback); if (test_and_set_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)) { IWL_ERR(priv, @@ -183,9 +181,6 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) set_bit(STATUS_HCMD_ACTIVE, &priv->status); - if (cmd->meta.flags & CMD_WANT_SKB) - cmd->meta.source = &cmd->meta; - cmd_idx = iwl_enqueue_hcmd(priv, cmd); if (cmd_idx < 0) { ret = cmd_idx; @@ -222,7 +217,7 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) ret = -EIO; goto fail; } - if ((cmd->meta.flags & CMD_WANT_SKB) && !cmd->meta.u.skb) { + if ((cmd->flags & CMD_WANT_SKB) && !cmd->reply_skb) { IWL_ERR(priv, "Error: Response NULL in '%s'\n", get_cmd_string(cmd->id)); ret = -EIO; @@ -233,20 +228,20 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) goto out; cancel: - if (cmd->meta.flags & CMD_WANT_SKB) { - struct iwl_cmd *qcmd; - - /* Cancel the CMD_WANT_SKB flag for the cmd in the + if (cmd->flags & CMD_WANT_SKB) { + /* + * Cancel the CMD_WANT_SKB flag for the cmd in the * TX cmd queue. Otherwise in case the cmd comes * in later, it will possibly set an invalid - * address (cmd->meta.source). */ - qcmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_idx]; - qcmd->meta.flags &= ~CMD_WANT_SKB; + * address (cmd->meta.source). + */ + priv->txq[IWL_CMD_QUEUE_NUM].meta[cmd_idx].flags &= + ~CMD_WANT_SKB; } fail: - if (cmd->meta.u.skb) { - dev_kfree_skb_any(cmd->meta.u.skb); - cmd->meta.u.skb = NULL; + if (cmd->reply_skb) { + dev_kfree_skb_any(cmd->reply_skb); + cmd->reply_skb = NULL; } out: clear_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status); @@ -256,7 +251,7 @@ EXPORT_SYMBOL(iwl_send_cmd_sync); int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) { - if (cmd->meta.flags & CMD_ASYNC) + if (cmd->flags & CMD_ASYNC) return iwl_send_cmd_async(priv, cmd); return iwl_send_cmd_sync(priv, cmd); @@ -277,9 +272,9 @@ EXPORT_SYMBOL(iwl_send_cmd_pdu); int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len, const void *data, - int (*callback)(struct iwl_priv *priv, - struct iwl_cmd *cmd, - struct sk_buff *skb)) + void (*callback)(struct iwl_priv *priv, + struct iwl_device_cmd *cmd, + struct sk_buff *skb)) { struct iwl_host_cmd cmd = { .id = id, @@ -287,8 +282,8 @@ int iwl_send_cmd_pdu_async(struct iwl_priv *priv, .data = data, }; - cmd.meta.flags |= CMD_ASYNC; - cmd.meta.u.callback = callback; + cmd.flags |= CMD_ASYNC; + cmd.callback = callback; return iwl_send_cmd_async(priv, &cmd); } diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c index 8c8115293b3c..7cce8f85bcc6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-led.c +++ b/drivers/net/wireless/iwlwifi/iwl-led.c @@ -91,8 +91,8 @@ static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd) .id = REPLY_LEDS_CMD, .len = sizeof(struct iwl_led_cmd), .data = led_cmd, - .meta.flags = CMD_ASYNC, - .meta.u.callback = NULL, + .flags = CMD_ASYNC, + .callback = NULL, }; u32 reg; diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index f2ea3f05f6e1..00937b3ee8ec 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -36,6 +36,7 @@ #include "iwl-eeprom.h" #include "iwl-dev.h" #include "iwl-core.h" +#include "iwl-io.h" #include "iwl-commands.h" #include "iwl-debug.h" #include "iwl-power.h" @@ -97,6 +98,45 @@ static const struct iwl_power_vec_entry range_2[IWL_POWER_NUM] = { {{SLP, SLP_TOUT(25), SLP_TOUT(25), SLP_VEC(4, 7, 10, 10, 0xFF)}, 0} }; +/* default Thermal Throttling transaction table + * Current state | Throttling Down | Throttling Up + *============================================================================= + * Condition Nxt State Condition Nxt State Condition Nxt State + *----------------------------------------------------------------------------- + * IWL_TI_0 T >= 115 CT_KILL 115>T>=105 TI_1 N/A N/A + * IWL_TI_1 T >= 115 CT_KILL 115>T>=110 TI_2 T<=95 TI_0 + * IWL_TI_2 T >= 115 CT_KILL T<=100 TI_1 + * IWL_CT_KILL N/A N/A N/A N/A T<=95 TI_0 + *============================================================================= + */ +static const struct iwl_tt_trans tt_range_0[IWL_TI_STATE_MAX - 1] = { + {IWL_TI_0, IWL_ABSOLUTE_ZERO, 104}, + {IWL_TI_1, 105, CT_KILL_THRESHOLD}, + {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX} +}; +static const struct iwl_tt_trans tt_range_1[IWL_TI_STATE_MAX - 1] = { + {IWL_TI_0, IWL_ABSOLUTE_ZERO, 95}, + {IWL_TI_2, 110, CT_KILL_THRESHOLD}, + {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX} +}; +static const struct iwl_tt_trans tt_range_2[IWL_TI_STATE_MAX - 1] = { + {IWL_TI_1, IWL_ABSOLUTE_ZERO, 100}, + {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX}, + {IWL_TI_CT_KILL, CT_KILL_THRESHOLD + 1, IWL_ABSOLUTE_MAX} +}; +static const struct iwl_tt_trans tt_range_3[IWL_TI_STATE_MAX - 1] = { + {IWL_TI_0, IWL_ABSOLUTE_ZERO, CT_KILL_EXIT_THRESHOLD}, + {IWL_TI_CT_KILL, CT_KILL_EXIT_THRESHOLD + 1, IWL_ABSOLUTE_MAX}, + {IWL_TI_CT_KILL, CT_KILL_EXIT_THRESHOLD + 1, IWL_ABSOLUTE_MAX} +}; + +/* Advance Thermal Throttling default restriction table */ +static const struct iwl_tt_restriction restriction_range[IWL_TI_STATE_MAX] = { + {IWL_TX_MULTI, true, IWL_RX_MULTI}, + {IWL_TX_SINGLE, true, IWL_RX_MULTI}, + {IWL_TX_SINGLE, false, IWL_RX_SINGLE}, + {IWL_TX_NONE, false, IWL_RX_NONE} +}; /* set card power command */ static int iwl_set_power(struct iwl_priv *priv, void *cmd) @@ -211,6 +251,7 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) { struct iwl_power_mgr *setting = &(priv->power_data); int ret = 0; + struct iwl_tt_mgmt *tt = &priv->power_data.tt; u16 uninitialized_var(final_mode); bool update_chains; @@ -223,6 +264,10 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) if (setting->power_disabled) final_mode = IWL_POWER_MODE_CAM; + if (tt->state >= IWL_TI_1) { + /* TT power setting overwrite user & system power setting */ + final_mode = tt->tt_power_mode; + } if (iwl_is_ready_rf(priv) && ((setting->power_mode != final_mode) || force)) { struct iwl_powertable_cmd cmd; @@ -267,6 +312,487 @@ int iwl_power_set_user_mode(struct iwl_priv *priv, u16 mode) } EXPORT_SYMBOL(iwl_power_set_user_mode); +bool iwl_ht_enabled(struct iwl_priv *priv) +{ + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + struct iwl_tt_restriction *restriction; + + if (!priv->power_data.adv_tt) + return true; + restriction = tt->restriction + tt->state; + return restriction->is_ht; +} +EXPORT_SYMBOL(iwl_ht_enabled); + +u8 iwl_tx_ant_restriction(struct iwl_priv *priv) +{ + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + struct iwl_tt_restriction *restriction; + + if (!priv->power_data.adv_tt) + return IWL_TX_MULTI; + restriction = tt->restriction + tt->state; + return restriction->tx_stream; +} +EXPORT_SYMBOL(iwl_tx_ant_restriction); + +u8 iwl_rx_ant_restriction(struct iwl_priv *priv) +{ + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + struct iwl_tt_restriction *restriction; + + if (!priv->power_data.adv_tt) + return IWL_RX_MULTI; + restriction = tt->restriction + tt->state; + return restriction->rx_stream; +} +EXPORT_SYMBOL(iwl_rx_ant_restriction); + +#define CT_KILL_EXIT_DURATION (5) /* 5 seconds duration */ + +/* + * toggle the bit to wake up uCode and check the temperature + * if the temperature is below CT, uCode will stay awake and send card + * state notification with CT_KILL bit clear to inform Thermal Throttling + * Management to change state. Otherwise, uCode will go back to sleep + * without doing anything, driver should continue the 5 seconds timer + * to wake up uCode for temperature check until temperature drop below CT + */ +static void iwl_tt_check_exit_ct_kill(unsigned long data) +{ + struct iwl_priv *priv = (struct iwl_priv *)data; + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + unsigned long flags; + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + if (tt->state == IWL_TI_CT_KILL) { + if (priv->power_data.ct_kill_toggle) { + iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR, + CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); + priv->power_data.ct_kill_toggle = false; + } else { + iwl_write32(priv, CSR_UCODE_DRV_GP1_SET, + CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); + priv->power_data.ct_kill_toggle = true; + } + iwl_read32(priv, CSR_UCODE_DRV_GP1); + spin_lock_irqsave(&priv->reg_lock, flags); + if (!iwl_grab_nic_access(priv)) + iwl_release_nic_access(priv); + spin_unlock_irqrestore(&priv->reg_lock, flags); + + /* Reschedule the ct_kill timer to occur in + * CT_KILL_EXIT_DURATION seconds to ensure we get a + * thermal update */ + mod_timer(&priv->power_data.ct_kill_exit_tm, jiffies + + CT_KILL_EXIT_DURATION * HZ); + } +} + +static void iwl_perform_ct_kill_task(struct iwl_priv *priv, + bool stop) +{ + if (stop) { + IWL_DEBUG_POWER(priv, "Stop all queues\n"); + if (priv->mac80211_registered) + ieee80211_stop_queues(priv->hw); + IWL_DEBUG_POWER(priv, + "Schedule 5 seconds CT_KILL Timer\n"); + mod_timer(&priv->power_data.ct_kill_exit_tm, jiffies + + CT_KILL_EXIT_DURATION * HZ); + } else { + IWL_DEBUG_POWER(priv, "Wake all queues\n"); + if (priv->mac80211_registered) + ieee80211_wake_queues(priv->hw); + } +} + +#define IWL_MINIMAL_POWER_THRESHOLD (CT_KILL_THRESHOLD_LEGACY) +#define IWL_REDUCED_PERFORMANCE_THRESHOLD_2 (100) +#define IWL_REDUCED_PERFORMANCE_THRESHOLD_1 (90) + +/* + * Legacy thermal throttling + * 1) Avoid NIC destruction due to high temperatures + * Chip will identify dangerously high temperatures that can + * harm the device and will power down + * 2) Avoid the NIC power down due to high temperature + * Throttle early enough to lower the power consumption before + * drastic steps are needed + */ +static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp) +{ + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + enum iwl_tt_state new_state; + struct iwl_power_mgr *setting = &priv->power_data; + +#ifdef CONFIG_IWLWIFI_DEBUG + if ((tt->tt_previous_temp) && + (temp > tt->tt_previous_temp) && + ((temp - tt->tt_previous_temp) > + IWL_TT_INCREASE_MARGIN)) { + IWL_DEBUG_POWER(priv, + "Temperature increase %d degree Celsius\n", + (temp - tt->tt_previous_temp)); + } +#endif + /* in Celsius */ + if (temp >= IWL_MINIMAL_POWER_THRESHOLD) + new_state = IWL_TI_CT_KILL; + else if (temp >= IWL_REDUCED_PERFORMANCE_THRESHOLD_2) + new_state = IWL_TI_2; + else if (temp >= IWL_REDUCED_PERFORMANCE_THRESHOLD_1) + new_state = IWL_TI_1; + else + new_state = IWL_TI_0; + +#ifdef CONFIG_IWLWIFI_DEBUG + tt->tt_previous_temp = temp; +#endif + if (tt->state != new_state) { + if (tt->state == IWL_TI_0) { + tt->sys_power_mode = setting->power_mode; + IWL_DEBUG_POWER(priv, "current power mode: %u\n", + setting->power_mode); + } + switch (new_state) { + case IWL_TI_0: + /* when system ready to go back to IWL_TI_0 state + * using system power mode instead of TT power mode + * revert back to the orginal power mode which was saved + * before enter Thermal Throttling state + * update priv->power_data.user_power_setting to the + * required power mode to make sure + * iwl_power_update_mode() will update power correctly. + */ + priv->power_data.user_power_setting = + tt->sys_power_mode; + tt->tt_power_mode = tt->sys_power_mode; + break; + case IWL_TI_1: + tt->tt_power_mode = IWL_POWER_INDEX_3; + break; + case IWL_TI_2: + tt->tt_power_mode = IWL_POWER_INDEX_4; + break; + default: + tt->tt_power_mode = IWL_POWER_INDEX_5; + break; + } + if (iwl_power_update_mode(priv, true)) { + /* TT state not updated + * try again during next temperature read + */ + IWL_ERR(priv, "Cannot update power mode, " + "TT state not updated\n"); + } else { + if (new_state == IWL_TI_CT_KILL) + iwl_perform_ct_kill_task(priv, true); + else if (tt->state == IWL_TI_CT_KILL && + new_state != IWL_TI_CT_KILL) + iwl_perform_ct_kill_task(priv, false); + tt->state = new_state; + IWL_DEBUG_POWER(priv, "Temperature state changed %u\n", + tt->state); + IWL_DEBUG_POWER(priv, "Power Index change to %u\n", + tt->tt_power_mode); + } + } +} + +/* + * Advance thermal throttling + * 1) Avoid NIC destruction due to high temperatures + * Chip will identify dangerously high temperatures that can + * harm the device and will power down + * 2) Avoid the NIC power down due to high temperature + * Throttle early enough to lower the power consumption before + * drastic steps are needed + * Actions include relaxing the power down sleep thresholds and + * decreasing the number of TX streams + * 3) Avoid throughput performance impact as much as possible + * + *============================================================================= + * Condition Nxt State Condition Nxt State Condition Nxt State + *----------------------------------------------------------------------------- + * IWL_TI_0 T >= 115 CT_KILL 115>T>=105 TI_1 N/A N/A + * IWL_TI_1 T >= 115 CT_KILL 115>T>=110 TI_2 T<=95 TI_0 + * IWL_TI_2 T >= 115 CT_KILL T<=100 TI_1 + * IWL_CT_KILL N/A N/A N/A N/A T<=95 TI_0 + *============================================================================= + */ +static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp) +{ + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + int i; + bool changed = false; + enum iwl_tt_state old_state; + struct iwl_tt_trans *transaction; + + old_state = tt->state; + for (i = 0; i < IWL_TI_STATE_MAX - 1; i++) { + /* based on the current TT state, + * find the curresponding transaction table + * each table has (IWL_TI_STATE_MAX - 1) entries + * tt->transaction + ((old_state * (IWL_TI_STATE_MAX - 1)) + * will advance to the correct table. + * then based on the current temperature + * find the next state need to transaction to + * go through all the possible (IWL_TI_STATE_MAX - 1) entries + * in the current table to see if transaction is needed + */ + transaction = tt->transaction + + ((old_state * (IWL_TI_STATE_MAX - 1)) + i); + if (temp >= transaction->tt_low && + temp <= transaction->tt_high) { +#ifdef CONFIG_IWLWIFI_DEBUG + if ((tt->tt_previous_temp) && + (temp > tt->tt_previous_temp) && + ((temp - tt->tt_previous_temp) > + IWL_TT_INCREASE_MARGIN)) { + IWL_DEBUG_POWER(priv, + "Temperature increase %d " + "degree Celsius\n", + (temp - tt->tt_previous_temp)); + } + tt->tt_previous_temp = temp; +#endif + if (old_state != + transaction->next_state) { + changed = true; + tt->state = + transaction->next_state; + } + break; + } + } + if (changed) { + struct iwl_rxon_cmd *rxon = &priv->staging_rxon; + struct iwl_power_mgr *setting = &priv->power_data; + + if (tt->state >= IWL_TI_1) { + /* if switching from IWL_TI_0 to other TT state + * save previous power setting in tt->sys_power_mode */ + if (old_state == IWL_TI_0) + tt->sys_power_mode = setting->power_mode; + /* force PI = IWL_POWER_INDEX_5 in the case of TI > 0 */ + tt->tt_power_mode = IWL_POWER_INDEX_5; + if (!iwl_ht_enabled(priv)) + /* disable HT */ + rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK | + RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK | + RXON_FLG_FAT_PROT_MSK | + RXON_FLG_HT_PROT_MSK); + else { + /* check HT capability and set + * according to the system HT capability + * in case get disabled before */ + iwl_set_rxon_ht(priv, &priv->current_ht_config); + } + + } else { + /* restore system power setting */ + /* the previous power mode was saved in + * tt->sys_power_mode when system move into + * Thermal Throttling state + * set power_data.user_power_setting to the previous + * system power mode to make sure power will get + * updated correctly + */ + priv->power_data.user_power_setting = + tt->sys_power_mode; + tt->tt_power_mode = tt->sys_power_mode; + /* check HT capability and set + * according to the system HT capability + * in case get disabled before */ + iwl_set_rxon_ht(priv, &priv->current_ht_config); + } + if (iwl_power_update_mode(priv, true)) { + /* TT state not updated + * try again during next temperature read + */ + IWL_ERR(priv, "Cannot update power mode, " + "TT state not updated\n"); + tt->state = old_state; + } else { + IWL_DEBUG_POWER(priv, + "Thermal Throttling to new state: %u\n", + tt->state); + if (old_state != IWL_TI_CT_KILL && + tt->state == IWL_TI_CT_KILL) { + IWL_DEBUG_POWER(priv, "Enter IWL_TI_CT_KILL\n"); + iwl_perform_ct_kill_task(priv, true); + + } else if (old_state == IWL_TI_CT_KILL && + tt->state != IWL_TI_CT_KILL) { + IWL_DEBUG_POWER(priv, "Exit IWL_TI_CT_KILL\n"); + iwl_perform_ct_kill_task(priv, false); + } + } + } +} + +/* Card State Notification indicated reach critical temperature + * if PSP not enable, no Thermal Throttling function will be performed + * just set the GP1 bit to acknowledge the event + * otherwise, go into IWL_TI_CT_KILL state + * since Card State Notification will not provide any temperature reading + * for Legacy mode + * so just pass the CT_KILL temperature to iwl_legacy_tt_handler() + * for advance mode + * pass CT_KILL_THRESHOLD+1 to make sure move into IWL_TI_CT_KILL state + */ +void iwl_tt_enter_ct_kill(struct iwl_priv *priv) +{ + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + if (tt->state != IWL_TI_CT_KILL) { + IWL_ERR(priv, "Device reached critical temperature " + "- ucode going to sleep!\n"); + if (!priv->power_data.adv_tt) + iwl_legacy_tt_handler(priv, + IWL_MINIMAL_POWER_THRESHOLD); + else + iwl_advance_tt_handler(priv, + CT_KILL_THRESHOLD + 1); + } +} +EXPORT_SYMBOL(iwl_tt_enter_ct_kill); + +/* Card State Notification indicated out of critical temperature + * since Card State Notification will not provide any temperature reading + * so pass the IWL_REDUCED_PERFORMANCE_THRESHOLD_2 temperature + * to iwl_legacy_tt_handler() to get out of IWL_CT_KILL state + */ +void iwl_tt_exit_ct_kill(struct iwl_priv *priv) +{ + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + /* stop ct_kill_exit_tm timer */ + del_timer_sync(&priv->power_data.ct_kill_exit_tm); + + if (tt->state == IWL_TI_CT_KILL) { + IWL_ERR(priv, + "Device temperature below critical" + "- ucode awake!\n"); + if (!priv->power_data.adv_tt) + iwl_legacy_tt_handler(priv, + IWL_REDUCED_PERFORMANCE_THRESHOLD_2); + else + iwl_advance_tt_handler(priv, CT_KILL_EXIT_THRESHOLD); + } +} +EXPORT_SYMBOL(iwl_tt_exit_ct_kill); + +void iwl_tt_handler(struct iwl_priv *priv) +{ + s32 temp = priv->temperature; /* degrees CELSIUS except 4965 */ + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) + temp = KELVIN_TO_CELSIUS(priv->temperature); + + if (!priv->power_data.adv_tt) + iwl_legacy_tt_handler(priv, temp); + else + iwl_advance_tt_handler(priv, temp); +} +EXPORT_SYMBOL(iwl_tt_handler); + +/* Thermal throttling initialization + * For advance thermal throttling: + * Initialize Thermal Index and temperature threshold table + * Initialize thermal throttling restriction table + */ +void iwl_tt_initialize(struct iwl_priv *priv) +{ + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + struct iwl_power_mgr *setting = &priv->power_data; + int size = sizeof(struct iwl_tt_trans) * (IWL_TI_STATE_MAX - 1); + struct iwl_tt_trans *transaction; + + IWL_DEBUG_POWER(priv, "Initialize Thermal Throttling \n"); + + memset(tt, 0, sizeof(struct iwl_tt_mgmt)); + + tt->state = IWL_TI_0; + tt->sys_power_mode = setting->power_mode; + tt->tt_power_mode = tt->sys_power_mode; + init_timer(&priv->power_data.ct_kill_exit_tm); + priv->power_data.ct_kill_exit_tm.data = (unsigned long)priv; + priv->power_data.ct_kill_exit_tm.function = iwl_tt_check_exit_ct_kill; + switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) { + case CSR_HW_REV_TYPE_6x00: + case CSR_HW_REV_TYPE_6x50: + IWL_DEBUG_POWER(priv, "Advanced Thermal Throttling\n"); + tt->restriction = kzalloc(sizeof(struct iwl_tt_restriction) * + IWL_TI_STATE_MAX, GFP_KERNEL); + tt->transaction = kzalloc(sizeof(struct iwl_tt_trans) * + IWL_TI_STATE_MAX * (IWL_TI_STATE_MAX - 1), + GFP_KERNEL); + if (!tt->restriction || !tt->transaction) { + IWL_ERR(priv, "Fallback to Legacy Throttling\n"); + priv->power_data.adv_tt = false; + kfree(tt->restriction); + tt->restriction = NULL; + kfree(tt->transaction); + tt->transaction = NULL; + } else { + transaction = tt->transaction + + (IWL_TI_0 * (IWL_TI_STATE_MAX - 1)); + memcpy(transaction, &tt_range_0[0], size); + transaction = tt->transaction + + (IWL_TI_1 * (IWL_TI_STATE_MAX - 1)); + memcpy(transaction, &tt_range_1[0], size); + transaction = tt->transaction + + (IWL_TI_2 * (IWL_TI_STATE_MAX - 1)); + memcpy(transaction, &tt_range_2[0], size); + transaction = tt->transaction + + (IWL_TI_CT_KILL * (IWL_TI_STATE_MAX - 1)); + memcpy(transaction, &tt_range_3[0], size); + size = sizeof(struct iwl_tt_restriction) * + IWL_TI_STATE_MAX; + memcpy(tt->restriction, + &restriction_range[0], size); + priv->power_data.adv_tt = true; + } + break; + default: + IWL_DEBUG_POWER(priv, "Legacy Thermal Throttling\n"); + priv->power_data.adv_tt = false; + break; + } +} +EXPORT_SYMBOL(iwl_tt_initialize); + +/* cleanup thermal throttling management related memory and timer */ +void iwl_tt_exit(struct iwl_priv *priv) +{ + struct iwl_tt_mgmt *tt = &priv->power_data.tt; + + /* stop ct_kill_exit_tm timer if activated */ + del_timer_sync(&priv->power_data.ct_kill_exit_tm); + + if (priv->power_data.adv_tt) { + /* free advance thermal throttling memory */ + kfree(tt->restriction); + tt->restriction = NULL; + kfree(tt->transaction); + tt->transaction = NULL; + } +} +EXPORT_SYMBOL(iwl_tt_exit); + /* initialize to default */ void iwl_power_initialize(struct iwl_priv *priv) { diff --git a/drivers/net/wireless/iwlwifi/iwl-power.h b/drivers/net/wireless/iwlwifi/iwl-power.h index 37ba3bb7a25a..3d49b7a45b74 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.h +++ b/drivers/net/wireless/iwlwifi/iwl-power.h @@ -33,6 +33,84 @@ struct iwl_priv; +#define IWL_ABSOLUTE_ZERO 0 +#define IWL_ABSOLUTE_MAX 0xFFFFFFFF +#define IWL_TT_INCREASE_MARGIN 5 + +/* Tx/Rx restrictions */ +#define IWL_TX_MULTI 0x02 +#define IWL_TX_SINGLE 0x01 +#define IWL_TX_NONE 0x00 +#define IWL_RX_MULTI 0x02 +#define IWL_RX_SINGLE 0x01 +#define IWL_RX_NONE 0x00 + +/* Thermal Throttling State Machine states */ +enum iwl_tt_state { + IWL_TI_0, /* normal temperature, system power state */ + IWL_TI_1, /* high temperature detect, low power state */ + IWL_TI_2, /* higher temperature detected, lower power state */ + IWL_TI_CT_KILL, /* critical temperature detected, lowest power state */ + IWL_TI_STATE_MAX +}; + +/** + * struct iwl_tt_restriction - Thermal Throttling restriction table used + * by advance thermal throttling management + * based on the current thermal throttling state, determine + * number of tx/rx streams; and the status of HT operation + * @tx_stream: number of tx stream allowed + * @is_ht: ht enable/disable + * @rx_stream: number of rx stream allowed + */ +struct iwl_tt_restriction { + u8 tx_stream; + bool is_ht; + u8 rx_stream; +}; + +/** + * struct iwl_tt_trans - Thermal Throttling transaction table; used by + * advance thermal throttling algorithm to determine next + * thermal state to go based on the current temperature + * @next_state: next thermal throttling mode + * @tt_low: low temperature threshold to change state + * @tt_high: high temperature threshold to change state + */ +struct iwl_tt_trans { + enum iwl_tt_state next_state; + u32 tt_low; + u32 tt_high; +}; + +/** + * struct iwl_tt_mgnt - Thermal Throttling Management structure + * @state: current Thermal Throttling state + * @tt_power_mode: Thermal Throttling power mode index + * being used to set power level when + * when thermal throttling state != IWL_TI_0 + * the tt_power_mode should set to different + * power mode based on the current tt state + * @sys_power_mode: previous system power mode + * before transition into TT state + * @tt_previous_temperature: last measured temperature + * @iwl_tt_restriction: ptr to restriction tbl, used by advance + * thermal throttling to determine how many tx/rx streams + * should be used in tt state; and can HT be enabled or not + * @iwl_tt_trans: ptr to adv trans table, used by advance thermal throttling + * state transaction + */ +struct iwl_tt_mgmt { + enum iwl_tt_state state; + u8 tt_power_mode; + u8 sys_power_mode; +#ifdef CONFIG_IWLWIFI_DEBUG + s32 tt_previous_temp; +#endif + struct iwl_tt_restriction *restriction; + struct iwl_tt_trans *transaction; +}; + enum { IWL_POWER_MODE_CAM, /* Continuously Aware Mode, always on */ IWL_POWER_INDEX_1, @@ -59,10 +137,25 @@ struct iwl_power_mgr { u8 power_mode; u8 user_power_setting; /* set by user through sysfs */ u8 power_disabled; /* set by mac80211's CONF_PS */ + struct iwl_tt_mgmt tt; /* Thermal Throttling Management */ + bool adv_tt; /* false: legacy mode */ + /* true: advance mode */ + bool ct_kill_toggle; /* use to toggle the CSR bit when + * checking uCode temperature + */ + struct timer_list ct_kill_exit_tm; }; int iwl_power_update_mode(struct iwl_priv *priv, bool force); int iwl_power_set_user_mode(struct iwl_priv *priv, u16 mode); +bool iwl_ht_enabled(struct iwl_priv *priv); +u8 iwl_tx_ant_restriction(struct iwl_priv *priv); +u8 iwl_rx_ant_restriction(struct iwl_priv *priv); +void iwl_tt_enter_ct_kill(struct iwl_priv *priv); +void iwl_tt_exit_ct_kill(struct iwl_priv *priv); +void iwl_tt_handler(struct iwl_priv *priv); +void iwl_tt_initialize(struct iwl_priv *priv); +void iwl_tt_exit(struct iwl_priv *priv); void iwl_power_initialize(struct iwl_priv *priv); #endif /* __iwl_power_setting_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 00398d973a07..c4c916df4a43 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -115,7 +115,7 @@ static int iwl_send_scan_abort(struct iwl_priv *priv) struct iwl_rx_packet *res; struct iwl_host_cmd cmd = { .id = REPLY_SCAN_ABORT_CMD, - .meta.flags = CMD_WANT_SKB, + .flags = CMD_WANT_SKB, }; /* If there isn't a scan actively going on in the hardware @@ -132,7 +132,7 @@ static int iwl_send_scan_abort(struct iwl_priv *priv) return ret; } - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl_rx_packet *)cmd.reply_skb->data; if (res->u.status != CAN_ABORT_STATUS) { /* The scan abort will return 1 for success or * 2 for "failure". A failure condition can be @@ -146,7 +146,7 @@ static int iwl_send_scan_abort(struct iwl_priv *priv) } priv->alloc_rxb_skb--; - dev_kfree_skb_any(cmd.meta.u.skb); + dev_kfree_skb_any(cmd.reply_skb); return ret; } @@ -567,7 +567,7 @@ static void iwl_bg_request_scan(struct work_struct *data) struct iwl_host_cmd cmd = { .id = REPLY_SCAN_CMD, .len = sizeof(struct iwl_scan_cmd), - .meta.flags = CMD_SIZE_HUGE, + .flags = CMD_SIZE_HUGE, }; struct iwl_scan_cmd *scan; struct ieee80211_conf *conf = NULL; diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index cbe4e26d053f..79ea5cc2c89a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -97,8 +97,9 @@ static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id) spin_unlock_irqrestore(&priv->sta_lock, flags); } -static int iwl_add_sta_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, struct sk_buff *skb) +static void iwl_add_sta_callback(struct iwl_priv *priv, + struct iwl_device_cmd *cmd, + struct sk_buff *skb) { struct iwl_rx_packet *res = NULL; struct iwl_addsta_cmd *addsta = @@ -107,14 +108,14 @@ static int iwl_add_sta_callback(struct iwl_priv *priv, if (!skb) { IWL_ERR(priv, "Error: Response NULL in REPLY_ADD_STA.\n"); - return 1; + return; } res = (struct iwl_rx_packet *)skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n", res->hdr.flags); - return 1; + return; } switch (res->u.add_sta.status) { @@ -126,9 +127,6 @@ static int iwl_add_sta_callback(struct iwl_priv *priv, res->u.add_sta.status); break; } - - /* We didn't cache the SKB; let the caller free it */ - return 1; } int iwl_send_add_sta(struct iwl_priv *priv, @@ -139,14 +137,14 @@ int iwl_send_add_sta(struct iwl_priv *priv, u8 data[sizeof(*sta)]; struct iwl_host_cmd cmd = { .id = REPLY_ADD_STA, - .meta.flags = flags, + .flags = flags, .data = data, }; if (flags & CMD_ASYNC) - cmd.meta.u.callback = iwl_add_sta_callback; + cmd.callback = iwl_add_sta_callback; else - cmd.meta.flags |= CMD_WANT_SKB; + cmd.flags |= CMD_WANT_SKB; cmd.len = priv->cfg->ops->utils->build_addsta_hcmd(sta, data); ret = iwl_send_cmd(priv, &cmd); @@ -154,7 +152,7 @@ int iwl_send_add_sta(struct iwl_priv *priv, if (ret || (flags & CMD_ASYNC)) return ret; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl_rx_packet *)cmd.reply_skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n", res->hdr.flags); @@ -175,7 +173,7 @@ int iwl_send_add_sta(struct iwl_priv *priv, } priv->alloc_rxb_skb--; - dev_kfree_skb_any(cmd.meta.u.skb); + dev_kfree_skb_any(cmd.reply_skb); return ret; } @@ -324,8 +322,9 @@ static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, const char *addr) spin_unlock_irqrestore(&priv->sta_lock, flags); } -static int iwl_remove_sta_callback(struct iwl_priv *priv, - struct iwl_cmd *cmd, struct sk_buff *skb) +static void iwl_remove_sta_callback(struct iwl_priv *priv, + struct iwl_device_cmd *cmd, + struct sk_buff *skb) { struct iwl_rx_packet *res = NULL; struct iwl_rem_sta_cmd *rm_sta = @@ -334,14 +333,14 @@ static int iwl_remove_sta_callback(struct iwl_priv *priv, if (!skb) { IWL_ERR(priv, "Error: Response NULL in REPLY_REMOVE_STA.\n"); - return 1; + return; } res = (struct iwl_rx_packet *)skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n", res->hdr.flags); - return 1; + return; } switch (res->u.rem_sta.status) { @@ -352,9 +351,6 @@ static int iwl_remove_sta_callback(struct iwl_priv *priv, IWL_ERR(priv, "REPLY_REMOVE_STA failed\n"); break; } - - /* We didn't cache the SKB; let the caller free it */ - return 1; } static int iwl_send_remove_station(struct iwl_priv *priv, const u8 *addr, @@ -368,7 +364,7 @@ static int iwl_send_remove_station(struct iwl_priv *priv, const u8 *addr, struct iwl_host_cmd cmd = { .id = REPLY_REMOVE_STA, .len = sizeof(struct iwl_rem_sta_cmd), - .meta.flags = flags, + .flags = flags, .data = &rm_sta_cmd, }; @@ -377,15 +373,15 @@ static int iwl_send_remove_station(struct iwl_priv *priv, const u8 *addr, memcpy(&rm_sta_cmd.addr, addr , ETH_ALEN); if (flags & CMD_ASYNC) - cmd.meta.u.callback = iwl_remove_sta_callback; + cmd.callback = iwl_remove_sta_callback; else - cmd.meta.flags |= CMD_WANT_SKB; + cmd.flags |= CMD_WANT_SKB; ret = iwl_send_cmd(priv, &cmd); if (ret || (flags & CMD_ASYNC)) return ret; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl_rx_packet *)cmd.reply_skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n", res->hdr.flags); @@ -406,7 +402,7 @@ static int iwl_send_remove_station(struct iwl_priv *priv, const u8 *addr, } priv->alloc_rxb_skb--; - dev_kfree_skb_any(cmd.meta.u.skb); + dev_kfree_skb_any(cmd.reply_skb); return ret; } @@ -525,7 +521,7 @@ int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty) struct iwl_host_cmd cmd = { .id = REPLY_WEPKEY, .data = wep_cmd, - .meta.flags = CMD_ASYNC, + .flags = CMD_ASYNC, }; memset(wep_cmd, 0, cmd_size + @@ -930,7 +926,7 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_host_cmd cmd = { .id = REPLY_TX_LINK_QUALITY_CMD, .len = sizeof(struct iwl_link_quality_cmd), - .meta.flags = flags, + .flags = flags, .data = lq, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index c7100b9dcede..6bb9602f3477 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -141,7 +141,7 @@ void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id) q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) priv->cfg->ops->lib->txq_free_tfd(priv, txq); - len = sizeof(struct iwl_cmd) * q->n_window; + len = sizeof(struct iwl_device_cmd) * q->n_window; /* De-alloc array of command/tx buffers */ for (i = 0; i < TFD_TX_CMD_SLOTS; i++) @@ -156,6 +156,12 @@ void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id) kfree(txq->txb); txq->txb = NULL; + /* deallocate arrays */ + kfree(txq->cmd); + kfree(txq->meta); + txq->cmd = NULL; + txq->meta = NULL; + /* 0-fill queue descriptor structure */ memset(txq, 0, sizeof(*txq)); } @@ -179,7 +185,7 @@ void iwl_cmd_queue_free(struct iwl_priv *priv) if (q->n_bd == 0) return; - len = sizeof(struct iwl_cmd) * q->n_window; + len = sizeof(struct iwl_device_cmd) * q->n_window; len += IWL_MAX_SCAN_SIZE; /* De-alloc array of command/tx buffers */ @@ -318,6 +324,7 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, { int i, len; int ret; + int actual_slots = slots_num; /* * Alloc buffer array for commands (Tx or other types of commands). @@ -327,14 +334,22 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, * For normal Tx queues (all other queues), no super-size command * space is needed. */ - len = sizeof(struct iwl_cmd); - for (i = 0; i <= slots_num; i++) { - if (i == slots_num) { - if (txq_id == IWL_CMD_QUEUE_NUM) - len += IWL_MAX_SCAN_SIZE; - else - continue; - } + if (txq_id == IWL_CMD_QUEUE_NUM) + actual_slots++; + + txq->meta = kzalloc(sizeof(struct iwl_cmd_meta) * actual_slots, + GFP_KERNEL); + txq->cmd = kzalloc(sizeof(struct iwl_device_cmd *) * actual_slots, + GFP_KERNEL); + + if (!txq->meta || !txq->cmd) + goto out_free_arrays; + + len = sizeof(struct iwl_device_cmd); + for (i = 0; i < actual_slots; i++) { + /* only happens for cmd queue */ + if (i == slots_num) + len += IWL_MAX_SCAN_SIZE; txq->cmd[i] = kmalloc(len, GFP_KERNEL); if (!txq->cmd[i]) @@ -364,15 +379,12 @@ int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq, return 0; err: - for (i = 0; i < slots_num; i++) { + for (i = 0; i < actual_slots; i++) kfree(txq->cmd[i]); - txq->cmd[i] = NULL; - } +out_free_arrays: + kfree(txq->meta); + kfree(txq->cmd); - if (txq_id == IWL_CMD_QUEUE_NUM) { - kfree(txq->cmd[slots_num]); - txq->cmd[slots_num] = NULL; - } return -ENOMEM; } EXPORT_SYMBOL(iwl_tx_queue_init); @@ -673,7 +685,8 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct iwl_tx_queue *txq; struct iwl_queue *q; - struct iwl_cmd *out_cmd; + struct iwl_device_cmd *out_cmd; + struct iwl_cmd_meta *out_meta; struct iwl_tx_cmd *tx_cmd; int swq_id, txq_id; dma_addr_t phys_addr; @@ -767,6 +780,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) /* Set up first empty entry in queue's array of Tx/cmd buffers */ out_cmd = txq->cmd[q->write_ptr]; + out_meta = &txq->meta[q->write_ptr]; tx_cmd = &out_cmd->cmd.tx; memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr)); memset(tx_cmd, 0, sizeof(struct iwl_tx_cmd)); @@ -829,8 +843,8 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) txcmd_phys = pci_map_single(priv->pci_dev, &out_cmd->hdr, len, PCI_DMA_BIDIRECTIONAL); - pci_unmap_addr_set(&out_cmd->meta, mapping, txcmd_phys); - pci_unmap_len_set(&out_cmd->meta, len, len); + pci_unmap_addr_set(out_meta, mapping, txcmd_phys); + pci_unmap_len_set(out_meta, len, len); /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, @@ -923,7 +937,8 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) { struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM]; struct iwl_queue *q = &txq->q; - struct iwl_cmd *out_cmd; + struct iwl_device_cmd *out_cmd; + struct iwl_cmd_meta *out_meta; dma_addr_t phys_addr; unsigned long flags; int len, ret; @@ -937,25 +952,31 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) * the TFD_MAX_PAYLOAD_SIZE, and it sent as a 'small' command then * we will need to increase the size of the TFD entries */ BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) && - !(cmd->meta.flags & CMD_SIZE_HUGE)); + !(cmd->flags & CMD_SIZE_HUGE)); if (iwl_is_rfkill(priv)) { IWL_DEBUG_INFO(priv, "Not sending command - RF KILL\n"); return -EIO; } - if (iwl_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) { + if (iwl_queue_space(q) < ((cmd->flags & CMD_ASYNC) ? 2 : 1)) { IWL_ERR(priv, "No space for Tx\n"); return -ENOSPC; } spin_lock_irqsave(&priv->hcmd_lock, flags); - idx = get_cmd_index(q, q->write_ptr, cmd->meta.flags & CMD_SIZE_HUGE); + idx = get_cmd_index(q, q->write_ptr, cmd->flags & CMD_SIZE_HUGE); out_cmd = txq->cmd[idx]; + out_meta = &txq->meta[idx]; + + out_meta->flags = cmd->flags; + if (cmd->flags & CMD_WANT_SKB) + out_meta->source = cmd; + if (cmd->flags & CMD_ASYNC) + out_meta->callback = cmd->callback; out_cmd->hdr.cmd = cmd->id; - memcpy(&out_cmd->meta, &cmd->meta, sizeof(cmd->meta)); memcpy(&out_cmd->cmd.payload, cmd->data, cmd->len); /* At this point, the out_cmd now has all of the incoming cmd @@ -964,9 +985,9 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) out_cmd->hdr.flags = 0; out_cmd->hdr.sequence = cpu_to_le16(QUEUE_TO_SEQ(IWL_CMD_QUEUE_NUM) | INDEX_TO_SEQ(q->write_ptr)); - if (out_cmd->meta.flags & CMD_SIZE_HUGE) + if (cmd->flags & CMD_SIZE_HUGE) out_cmd->hdr.sequence |= SEQ_HUGE_FRAME; - len = sizeof(struct iwl_cmd) - sizeof(struct iwl_cmd_meta); + len = sizeof(struct iwl_device_cmd); len += (idx == TFD_CMD_SLOTS) ? IWL_MAX_SCAN_SIZE : 0; @@ -998,8 +1019,8 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) phys_addr = pci_map_single(priv->pci_dev, &out_cmd->hdr, fix_size, PCI_DMA_BIDIRECTIONAL); - pci_unmap_addr_set(&out_cmd->meta, mapping, phys_addr); - pci_unmap_len_set(&out_cmd->meta, len, fix_size); + pci_unmap_addr_set(out_meta, mapping, phys_addr); + pci_unmap_len_set(out_meta, len, fix_size); priv->cfg->ops->lib->txq_attach_buf_to_tfd(priv, txq, phys_addr, fix_size, 1, @@ -1068,8 +1089,8 @@ static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id, } pci_unmap_single(priv->pci_dev, - pci_unmap_addr(&txq->cmd[cmd_idx]->meta, mapping), - pci_unmap_len(&txq->cmd[cmd_idx]->meta, len), + pci_unmap_addr(&txq->meta[cmd_idx], mapping), + pci_unmap_len(&txq->meta[cmd_idx], len), PCI_DMA_BIDIRECTIONAL); for (idx = iwl_queue_inc_wrap(idx, q->n_bd); q->read_ptr != idx; @@ -1100,7 +1121,8 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) int index = SEQ_TO_INDEX(sequence); int cmd_index; bool huge = !!(pkt->hdr.sequence & SEQ_HUGE_FRAME); - struct iwl_cmd *cmd; + struct iwl_device_cmd *cmd; + struct iwl_cmd_meta *meta; /* 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 @@ -1110,24 +1132,24 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) txq_id, sequence, priv->txq[IWL_CMD_QUEUE_NUM].q.read_ptr, priv->txq[IWL_CMD_QUEUE_NUM].q.write_ptr)) { - iwl_print_hex_error(priv, rxb, 32); + iwl_print_hex_error(priv, pkt, 32); return; } cmd_index = get_cmd_index(&priv->txq[IWL_CMD_QUEUE_NUM].q, index, huge); cmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_index]; + meta = &priv->txq[IWL_CMD_QUEUE_NUM].meta[cmd_index]; /* Input error checking is done when commands are added to queue. */ - if (cmd->meta.flags & CMD_WANT_SKB) { - cmd->meta.source->u.skb = rxb->skb; - rxb->skb = NULL; - } else if (cmd->meta.u.callback && - !cmd->meta.u.callback(priv, cmd, rxb->skb)) + if (meta->flags & CMD_WANT_SKB) { + meta->source->reply_skb = rxb->skb; rxb->skb = NULL; + } else if (meta->callback) + meta->callback(priv, cmd, rxb->skb); iwl_hcmd_queue_reclaim(priv, txq_id, index, cmd_index); - if (!(cmd->meta.flags & CMD_ASYNC)) { + if (!(meta->flags & CMD_ASYNC)) { clear_bit(STATUS_HCMD_ACTIVE, &priv->status); wake_up_interruptible(&priv->wait_command_queue); } diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 2cc7e30d7743..5ded8983b915 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -363,7 +363,7 @@ static void iwl3945_unset_hw_params(struct iwl_priv *priv) static void iwl3945_build_tx_cmd_hwcrypto(struct iwl_priv *priv, struct ieee80211_tx_info *info, - struct iwl_cmd *cmd, + struct iwl_device_cmd *cmd, struct sk_buff *skb_frag, int sta_id) { @@ -403,7 +403,7 @@ static void iwl3945_build_tx_cmd_hwcrypto(struct iwl_priv *priv, * handle build REPLY_TX command notification. */ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv, - struct iwl_cmd *cmd, + struct iwl_device_cmd *cmd, struct ieee80211_tx_info *info, struct ieee80211_hdr *hdr, u8 std_id) { @@ -476,7 +476,8 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) struct iwl3945_tx_cmd *tx; struct iwl_tx_queue *txq = NULL; struct iwl_queue *q = NULL; - struct iwl_cmd *out_cmd = NULL; + struct iwl_device_cmd *out_cmd; + struct iwl_cmd_meta *out_meta; dma_addr_t phys_addr; dma_addr_t txcmd_phys; int txq_id = skb_get_queue_mapping(skb); @@ -565,6 +566,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) /* Init first empty entry in queue's array of Tx/cmd buffers */ out_cmd = txq->cmd[idx]; + out_meta = &txq->meta[idx]; tx = (struct iwl3945_tx_cmd *)out_cmd->cmd.payload; memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr)); memset(tx, 0, sizeof(*tx)); @@ -642,8 +644,8 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) len, PCI_DMA_TODEVICE); /* we do not map meta data ... so we can safely access address to * provide to unmap command*/ - pci_unmap_addr_set(&out_cmd->meta, mapping, txcmd_phys); - pci_unmap_len_set(&out_cmd->meta, len, len); + pci_unmap_addr_set(out_meta, mapping, txcmd_phys); + pci_unmap_len_set(out_meta, len, len); /* Add buffer containing Tx command and MAC(!) header to TFD's * first entry */ @@ -753,7 +755,7 @@ static int iwl3945_get_measurement(struct iwl_priv *priv, struct iwl_host_cmd cmd = { .id = REPLY_SPECTRUM_MEASUREMENT_CMD, .data = (void *)&spectrum, - .meta.flags = CMD_WANT_SKB, + .flags = CMD_WANT_SKB, }; u32 add_time = le64_to_cpu(params->start_time); int rc; @@ -794,7 +796,7 @@ static int iwl3945_get_measurement(struct iwl_priv *priv, if (rc) return rc; - res = (struct iwl_rx_packet *)cmd.meta.u.skb->data; + res = (struct iwl_rx_packet *)cmd.reply_skb->data; if (res->hdr.flags & IWL_CMD_FAILED_MSK) { IWL_ERR(priv, "Bad return from REPLY_RX_ON_ASSOC command\n"); rc = -EIO; @@ -817,7 +819,7 @@ static int iwl3945_get_measurement(struct iwl_priv *priv, break; } - dev_kfree_skb_any(cmd.meta.u.skb); + dev_kfree_skb_any(cmd.reply_skb); return rc; } @@ -2717,7 +2719,7 @@ static void iwl3945_bg_request_scan(struct work_struct *data) struct iwl_host_cmd cmd = { .id = REPLY_SCAN_CMD, .len = sizeof(struct iwl3945_scan_cmd), - .meta.flags = CMD_SIZE_HUGE, + .flags = CMD_SIZE_HUGE, }; int rc = 0; struct iwl3945_scan_cmd *scan; |
