diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rx.c | 264 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-rx.c | 226 |
4 files changed, 225 insertions, 269 deletions
diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile index aab7d15bd5ed..9d6ee836426c 100644 --- a/drivers/net/wireless/iwlwifi/Makefile +++ b/drivers/net/wireless/iwlwifi/Makefile @@ -2,7 +2,7 @@ obj-$(CONFIG_IWLAGN) += iwlagn.o iwlagn-objs := iwl-agn.o iwl-agn-rs.o iwl-agn-led.o iwlagn-objs += iwl-agn-ucode.o iwl-agn-tx.o -iwlagn-objs += iwl-agn-lib.o iwl-agn-rx.o iwl-agn-calib.o +iwlagn-objs += iwl-agn-lib.o iwl-agn-calib.o iwlagn-objs += iwl-agn-tt.o iwl-agn-sta.o iwl-agn-eeprom.o iwlagn-objs += iwl-core.o iwl-eeprom.o iwl-hcmd.o iwl-power.o diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c deleted file mode 100644 index 7a89a55ec316..000000000000 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c +++ /dev/null @@ -1,264 +0,0 @@ -/****************************************************************************** - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2008 - 2010 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 - * - *****************************************************************************/ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/sched.h> - -#include "iwl-dev.h" -#include "iwl-core.h" -#include "iwl-agn-calib.h" -#include "iwl-sta.h" -#include "iwl-io.h" -#include "iwl-helpers.h" -#include "iwl-agn-hw.h" -#include "iwl-agn.h" - -void iwl_rx_missed_beacon_notif(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) - -{ - struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_missed_beacon_notif *missed_beacon; - - missed_beacon = &pkt->u.missed_beacon; - if (le32_to_cpu(missed_beacon->consecutive_missed_beacons) > - priv->missed_beacon_threshold) { - IWL_DEBUG_CALIB(priv, - "missed bcn cnsq %d totl %d rcd %d expctd %d\n", - le32_to_cpu(missed_beacon->consecutive_missed_beacons), - 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->status)) - iwl_init_sensitivity(priv); - } -} - -/* Calculate noise level, based on measurements during network silence just - * before arriving beacon. This measurement can be done only if we know - * exactly when to expect beacons, therefore only when we're associated. */ -static void iwl_rx_calc_noise(struct iwl_priv *priv) -{ - struct statistics_rx_non_phy *rx_info; - int num_active_rx = 0; - int total_silence = 0; - int bcn_silence_a, bcn_silence_b, bcn_silence_c; - int last_rx_noise; - - if (iwl_bt_statistics(priv)) - rx_info = &(priv->_agn.statistics_bt.rx.general.common); - else - rx_info = &(priv->_agn.statistics.rx.general); - bcn_silence_a = - le32_to_cpu(rx_info->beacon_silence_rssi_a) & IN_BAND_FILTER; - bcn_silence_b = - le32_to_cpu(rx_info->beacon_silence_rssi_b) & IN_BAND_FILTER; - bcn_silence_c = - le32_to_cpu(rx_info->beacon_silence_rssi_c) & IN_BAND_FILTER; - - if (bcn_silence_a) { - total_silence += bcn_silence_a; - num_active_rx++; - } - if (bcn_silence_b) { - total_silence += bcn_silence_b; - num_active_rx++; - } - if (bcn_silence_c) { - total_silence += bcn_silence_c; - num_active_rx++; - } - - /* Average among active antennas */ - if (num_active_rx) - last_rx_noise = (total_silence / num_active_rx) - 107; - else - last_rx_noise = IWL_NOISE_MEAS_NOT_AVAILABLE; - - IWL_DEBUG_CALIB(priv, "inband silence a %u, b %u, c %u, dBm %d\n", - bcn_silence_a, bcn_silence_b, bcn_silence_c, - last_rx_noise); -} - -#ifdef CONFIG_IWLWIFI_DEBUGFS -/* - * based on the assumption of all statistics counter are in DWORD - * FIXME: This function is for debugging, do not deal with - * the case of counters roll-over. - */ -static void iwl_accumulative_statistics(struct iwl_priv *priv, - __le32 *stats) -{ - int i, size; - __le32 *prev_stats; - u32 *accum_stats; - u32 *delta, *max_delta; - struct statistics_general_common *general, *accum_general; - struct statistics_tx *tx, *accum_tx; - - if (iwl_bt_statistics(priv)) { - prev_stats = (__le32 *)&priv->_agn.statistics_bt; - accum_stats = (u32 *)&priv->_agn.accum_statistics_bt; - size = sizeof(struct iwl_bt_notif_statistics); - general = &priv->_agn.statistics_bt.general.common; - accum_general = &priv->_agn.accum_statistics_bt.general.common; - tx = &priv->_agn.statistics_bt.tx; - accum_tx = &priv->_agn.accum_statistics_bt.tx; - delta = (u32 *)&priv->_agn.delta_statistics_bt; - max_delta = (u32 *)&priv->_agn.max_delta_bt; - } else { - prev_stats = (__le32 *)&priv->_agn.statistics; - accum_stats = (u32 *)&priv->_agn.accum_statistics; - size = sizeof(struct iwl_notif_statistics); - general = &priv->_agn.statistics.general.common; - accum_general = &priv->_agn.accum_statistics.general.common; - tx = &priv->_agn.statistics.tx; - accum_tx = &priv->_agn.accum_statistics.tx; - delta = (u32 *)&priv->_agn.delta_statistics; - max_delta = (u32 *)&priv->_agn.max_delta; - } - for (i = sizeof(__le32); i < size; - i += sizeof(__le32), stats++, prev_stats++, delta++, - max_delta++, accum_stats++) { - if (le32_to_cpu(*stats) > le32_to_cpu(*prev_stats)) { - *delta = (le32_to_cpu(*stats) - - le32_to_cpu(*prev_stats)); - *accum_stats += *delta; - if (*delta > *max_delta) - *max_delta = *delta; - } - } - - /* reset accumulative statistics for "no-counter" type statistics */ - accum_general->temperature = general->temperature; - accum_general->temperature_m = general->temperature_m; - accum_general->ttl_timestamp = general->ttl_timestamp; - accum_tx->tx_power.ant_a = tx->tx_power.ant_a; - accum_tx->tx_power.ant_b = tx->tx_power.ant_b; - accum_tx->tx_power.ant_c = tx->tx_power.ant_c; -} -#endif - -#define REG_RECALIB_PERIOD (60) - -void iwl_rx_statistics(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) -{ - int change; - struct iwl_rx_packet *pkt = rxb_addr(rxb); - - if (iwl_bt_statistics(priv)) { - IWL_DEBUG_RX(priv, - "Statistics notification received (%d vs %d).\n", - (int)sizeof(struct iwl_bt_notif_statistics), - le32_to_cpu(pkt->len_n_flags) & - FH_RSCSR_FRAME_SIZE_MSK); - - change = ((priv->_agn.statistics_bt.general.common.temperature != - pkt->u.stats_bt.general.common.temperature) || - ((priv->_agn.statistics_bt.flag & - STATISTICS_REPLY_FLG_HT40_MODE_MSK) != - (pkt->u.stats_bt.flag & - STATISTICS_REPLY_FLG_HT40_MODE_MSK))); -#ifdef CONFIG_IWLWIFI_DEBUGFS - iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats_bt); -#endif - - } else { - IWL_DEBUG_RX(priv, - "Statistics notification received (%d vs %d).\n", - (int)sizeof(struct iwl_notif_statistics), - le32_to_cpu(pkt->len_n_flags) & - FH_RSCSR_FRAME_SIZE_MSK); - - change = ((priv->_agn.statistics.general.common.temperature != - pkt->u.stats.general.common.temperature) || - ((priv->_agn.statistics.flag & - STATISTICS_REPLY_FLG_HT40_MODE_MSK) != - (pkt->u.stats.flag & - STATISTICS_REPLY_FLG_HT40_MODE_MSK))); -#ifdef CONFIG_IWLWIFI_DEBUGFS - iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats); -#endif - - } - - iwl_recover_from_statistics(priv, pkt); - - if (iwl_bt_statistics(priv)) - memcpy(&priv->_agn.statistics_bt, &pkt->u.stats_bt, - sizeof(priv->_agn.statistics_bt)); - else - memcpy(&priv->_agn.statistics, &pkt->u.stats, - sizeof(priv->_agn.statistics)); - - set_bit(STATUS_STATISTICS, &priv->status); - - /* Reschedule the statistics timer to occur in - * REG_RECALIB_PERIOD seconds to ensure we get a - * thermal update even if the uCode doesn't give - * us one */ - mod_timer(&priv->statistics_periodic, jiffies + - msecs_to_jiffies(REG_RECALIB_PERIOD * 1000)); - - if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) && - (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) { - iwl_rx_calc_noise(priv); - queue_work(priv->workqueue, &priv->run_time_calib_work); - } - if (priv->cfg->ops->lib->temp_ops.temperature && change) - priv->cfg->ops->lib->temp_ops.temperature(priv); -} - -void iwl_reply_statistics(struct iwl_priv *priv, - struct iwl_rx_mem_buffer *rxb) -{ - struct iwl_rx_packet *pkt = rxb_addr(rxb); - - if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) { -#ifdef CONFIG_IWLWIFI_DEBUGFS - memset(&priv->_agn.accum_statistics, 0, - sizeof(struct iwl_notif_statistics)); - memset(&priv->_agn.delta_statistics, 0, - sizeof(struct iwl_notif_statistics)); - memset(&priv->_agn.max_delta, 0, - sizeof(struct iwl_notif_statistics)); - memset(&priv->_agn.accum_statistics_bt, 0, - sizeof(struct iwl_bt_notif_statistics)); - memset(&priv->_agn.delta_statistics_bt, 0, - sizeof(struct iwl_bt_notif_statistics)); - memset(&priv->_agn.max_delta_bt, 0, - sizeof(struct iwl_bt_notif_statistics)); -#endif - IWL_DEBUG_RX(priv, "Statistics have been cleared\n"); - } - iwl_rx_statistics(priv, rxb); -} diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 193ca98a6231..d47f3a87fce4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -516,8 +516,6 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); /* Handlers */ void iwl_rx_spectrum_measure_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); -void iwl_recover_from_statistics(struct iwl_priv *priv, - struct iwl_rx_packet *pkt); void iwl_chswitch_done(struct iwl_priv *priv, bool is_success); void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index feee76181ac5..566e2d979ce3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -37,6 +37,7 @@ #include "iwl-sta.h" #include "iwl-io.h" #include "iwl-helpers.h" +#include "iwl-agn-calib.h" /************************** RX-FUNCTIONS ****************************/ /* * Rx theory of operation @@ -210,7 +211,6 @@ err_bd: return -ENOMEM; } - void iwl_rx_spectrum_measure_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { @@ -378,7 +378,7 @@ static bool iwl_good_plcp_health(struct iwl_priv *priv, struct iwl_rx_packet *pk return rc; } -void iwl_recover_from_statistics(struct iwl_priv *priv, struct iwl_rx_packet *pkt) +static void iwl_recover_from_statistics(struct iwl_priv *priv, struct iwl_rx_packet *pkt) { const struct iwl_mod_params *mod_params = priv->cfg->mod_params; @@ -396,6 +396,228 @@ void iwl_recover_from_statistics(struct iwl_priv *priv, struct iwl_rx_packet *pk iwl_force_reset(priv, IWL_RF_RESET, false); } +/* Calculate noise level, based on measurements during network silence just + * before arriving beacon. This measurement can be done only if we know + * exactly when to expect beacons, therefore only when we're associated. */ +static void iwl_rx_calc_noise(struct iwl_priv *priv) +{ + struct statistics_rx_non_phy *rx_info; + int num_active_rx = 0; + int total_silence = 0; + int bcn_silence_a, bcn_silence_b, bcn_silence_c; + int last_rx_noise; + + if (iwl_bt_statistics(priv)) + rx_info = &(priv->_agn.statistics_bt.rx.general.common); + else + rx_info = &(priv->_agn.statistics.rx.general); + bcn_silence_a = + le32_to_cpu(rx_info->beacon_silence_rssi_a) & IN_BAND_FILTER; + bcn_silence_b = + le32_to_cpu(rx_info->beacon_silence_rssi_b) & IN_BAND_FILTER; + bcn_silence_c = + le32_to_cpu(rx_info->beacon_silence_rssi_c) & IN_BAND_FILTER; + + if (bcn_silence_a) { + total_silence += bcn_silence_a; + num_active_rx++; + } + if (bcn_silence_b) { + total_silence += bcn_silence_b; + num_active_rx++; + } + if (bcn_silence_c) { + total_silence += bcn_silence_c; + num_active_rx++; + } + + /* Average among active antennas */ + if (num_active_rx) + last_rx_noise = (total_silence / num_active_rx) - 107; + else + last_rx_noise = IWL_NOISE_MEAS_NOT_AVAILABLE; + + IWL_DEBUG_CALIB(priv, "inband silence a %u, b %u, c %u, dBm %d\n", + bcn_silence_a, bcn_silence_b, bcn_silence_c, + last_rx_noise); +} + +#ifdef CONFIG_IWLWIFI_DEBUGFS +/* + * based on the assumption of all statistics counter are in DWORD + * FIXME: This function is for debugging, do not deal with + * the case of counters roll-over. + */ +static void iwl_accumulative_statistics(struct iwl_priv *priv, + __le32 *stats) +{ + int i, size; + __le32 *prev_stats; + u32 *accum_stats; + u32 *delta, *max_delta; + struct statistics_general_common *general, *accum_general; + struct statistics_tx *tx, *accum_tx; + + if (iwl_bt_statistics(priv)) { + prev_stats = (__le32 *)&priv->_agn.statistics_bt; + accum_stats = (u32 *)&priv->_agn.accum_statistics_bt; + size = sizeof(struct iwl_bt_notif_statistics); + general = &priv->_agn.statistics_bt.general.common; + accum_general = &priv->_agn.accum_statistics_bt.general.common; + tx = &priv->_agn.statistics_bt.tx; + accum_tx = &priv->_agn.accum_statistics_bt.tx; + delta = (u32 *)&priv->_agn.delta_statistics_bt; + max_delta = (u32 *)&priv->_agn.max_delta_bt; + } else { + prev_stats = (__le32 *)&priv->_agn.statistics; + accum_stats = (u32 *)&priv->_agn.accum_statistics; + size = sizeof(struct iwl_notif_statistics); + general = &priv->_agn.statistics.general.common; + accum_general = &priv->_agn.accum_statistics.general.common; + tx = &priv->_agn.statistics.tx; + accum_tx = &priv->_agn.accum_statistics.tx; + delta = (u32 *)&priv->_agn.delta_statistics; + max_delta = (u32 *)&priv->_agn.max_delta; + } + for (i = sizeof(__le32); i < size; + i += sizeof(__le32), stats++, prev_stats++, delta++, + max_delta++, accum_stats++) { + if (le32_to_cpu(*stats) > le32_to_cpu(*prev_stats)) { + *delta = (le32_to_cpu(*stats) - + le32_to_cpu(*prev_stats)); + *accum_stats += *delta; + if (*delta > *max_delta) + *max_delta = *delta; + } + } + + /* reset accumulative statistics for "no-counter" type statistics */ + accum_general->temperature = general->temperature; + accum_general->temperature_m = general->temperature_m; + accum_general->ttl_timestamp = general->ttl_timestamp; + accum_tx->tx_power.ant_a = tx->tx_power.ant_a; + accum_tx->tx_power.ant_b = tx->tx_power.ant_b; + accum_tx->tx_power.ant_c = tx->tx_power.ant_c; +} +#endif + +#define REG_RECALIB_PERIOD (60) + +void iwl_rx_statistics(struct iwl_priv *priv, + struct iwl_rx_mem_buffer *rxb) +{ + int change; + struct iwl_rx_packet *pkt = rxb_addr(rxb); + + if (iwl_bt_statistics(priv)) { + IWL_DEBUG_RX(priv, + "Statistics notification received (%d vs %d).\n", + (int)sizeof(struct iwl_bt_notif_statistics), + le32_to_cpu(pkt->len_n_flags) & + FH_RSCSR_FRAME_SIZE_MSK); + + change = ((priv->_agn.statistics_bt.general.common.temperature != + pkt->u.stats_bt.general.common.temperature) || + ((priv->_agn.statistics_bt.flag & + STATISTICS_REPLY_FLG_HT40_MODE_MSK) != + (pkt->u.stats_bt.flag & + STATISTICS_REPLY_FLG_HT40_MODE_MSK))); +#ifdef CONFIG_IWLWIFI_DEBUGFS + iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats_bt); +#endif + + } else { + IWL_DEBUG_RX(priv, + "Statistics notification received (%d vs %d).\n", + (int)sizeof(struct iwl_notif_statistics), + le32_to_cpu(pkt->len_n_flags) & + FH_RSCSR_FRAME_SIZE_MSK); + + change = ((priv->_agn.statistics.general.common.temperature != + pkt->u.stats.general.common.temperature) || + ((priv->_agn.statistics.flag & + STATISTICS_REPLY_FLG_HT40_MODE_MSK) != + (pkt->u.stats.flag & + STATISTICS_REPLY_FLG_HT40_MODE_MSK))); +#ifdef CONFIG_IWLWIFI_DEBUGFS + iwl_accumulative_statistics(priv, (__le32 *)&pkt->u.stats); +#endif + + } + + iwl_recover_from_statistics(priv, pkt); + + if (iwl_bt_statistics(priv)) + memcpy(&priv->_agn.statistics_bt, &pkt->u.stats_bt, + sizeof(priv->_agn.statistics_bt)); + else + memcpy(&priv->_agn.statistics, &pkt->u.stats, + sizeof(priv->_agn.statistics)); + + set_bit(STATUS_STATISTICS, &priv->status); + + /* Reschedule the statistics timer to occur in + * REG_RECALIB_PERIOD seconds to ensure we get a + * thermal update even if the uCode doesn't give + * us one */ + mod_timer(&priv->statistics_periodic, jiffies + + msecs_to_jiffies(REG_RECALIB_PERIOD * 1000)); + + if (unlikely(!test_bit(STATUS_SCANNING, &priv->status)) && + (pkt->hdr.cmd == STATISTICS_NOTIFICATION)) { + iwl_rx_calc_noise(priv); + queue_work(priv->workqueue, &priv->run_time_calib_work); + } + if (priv->cfg->ops->lib->temp_ops.temperature && change) + priv->cfg->ops->lib->temp_ops.temperature(priv); +} + +void iwl_reply_statistics(struct iwl_priv *priv, + struct iwl_rx_mem_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + + if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) { +#ifdef CONFIG_IWLWIFI_DEBUGFS + memset(&priv->_agn.accum_statistics, 0, + sizeof(struct iwl_notif_statistics)); + memset(&priv->_agn.delta_statistics, 0, + sizeof(struct iwl_notif_statistics)); + memset(&priv->_agn.max_delta, 0, + sizeof(struct iwl_notif_statistics)); + memset(&priv->_agn.accum_statistics_bt, 0, + sizeof(struct iwl_bt_notif_statistics)); + memset(&priv->_agn.delta_statistics_bt, 0, + sizeof(struct iwl_bt_notif_statistics)); + memset(&priv->_agn.max_delta_bt, 0, + sizeof(struct iwl_bt_notif_statistics)); +#endif + IWL_DEBUG_RX(priv, "Statistics have been cleared\n"); + } + iwl_rx_statistics(priv, rxb); +} + +void iwl_rx_missed_beacon_notif(struct iwl_priv *priv, + struct iwl_rx_mem_buffer *rxb) + +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_missed_beacon_notif *missed_beacon; + + missed_beacon = &pkt->u.missed_beacon; + if (le32_to_cpu(missed_beacon->consecutive_missed_beacons) > + priv->missed_beacon_threshold) { + IWL_DEBUG_CALIB(priv, + "missed bcn cnsq %d totl %d rcd %d expctd %d\n", + le32_to_cpu(missed_beacon->consecutive_missed_beacons), + 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->status)) + iwl_init_sensitivity(priv); + } +} + /* * returns non-zero if packet should be dropped */ |
