diff options
author | John W. Linville <linville@tuxdriver.com> | 2010-07-13 23:57:29 +0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2010-07-13 23:57:29 +0400 |
commit | e300d955debdadf599c36e47eb0bc16f5976215c (patch) | |
tree | 8fafcc789dc06e90665e6eee6388af228bbd2fd7 /drivers/net/wireless/iwlwifi | |
parent | 242647bcf8464860f173f3d4d4ab3490d3558518 (diff) | |
parent | 815868e7b5c207ba42d5b317ccc51f8112732268 (diff) | |
download | linux-e300d955debdadf599c36e47eb0bc16f5976215c.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts:
drivers/net/wireless/wl12xx/wl1271_cmd.h
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
20 files changed, 583 insertions, 105 deletions
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index 6491e27baac5..a51e4da1bdfc 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -87,10 +87,15 @@ config IWL4965 This option enables support for Intel Wireless WiFi Link 4965AGN config IWL5000 - bool "Intel Wireless WiFi 5000AGN; Intel WiFi Link 1000, 6000, and 6050 Series" + bool "Intel Wireless-N/Advanced-N/Ultimate-N WiFi Link" depends on IWLAGN ---help--- - This option enables support for Intel Wireless WiFi Link 5000AGN Family + This option enables support for use with the following hardware: + Intel Wireless WiFi Link 6250AGN Adapter + Intel 6000 Series Wi-Fi Adapters (6200AGN and 6300AGN) + Intel WiFi Link 1000BGN + Intel Wireless WiFi 5150AGN + Intel Wireless WiFi 5100AGN, 5300AGN, and 5350AGN config IWL3945 tristate "Intel PRO/Wireless 3945ABG/BG Network Connection (iwl3945)" diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index 1daf159914ad..c281d07ec5e5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -129,8 +129,8 @@ static int iwl1000_hw_set_hw_params(struct iwl_priv *priv) priv->cfg->num_of_queues * sizeof(struct iwlagn_scd_bc_tbl); priv->hw_params.tfd_size = sizeof(struct iwl_tfd); - priv->hw_params.max_stations = IWL5000_STATION_COUNT; - priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID; + priv->hw_params.max_stations = IWLAGN_STATION_COUNT; + priv->hw_params.bcast_sta_id = IWLAGN_BROADCAST_ID; priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE; priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE; @@ -226,6 +226,8 @@ static struct iwl_lib_ops iwl1000_lib = { .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, .check_ack_health = iwl_good_ack_health, + .txfifo_flush = iwlagn_txfifo_flush, + .dev_txfifo_flush = iwlagn_dev_txfifo_flush, }; static const struct iwl_ops iwl1000_ops = { diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index b8f3e20f2c80..7d89d99ce19c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -179,8 +179,8 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) priv->cfg->num_of_queues * sizeof(struct iwlagn_scd_bc_tbl); priv->hw_params.tfd_size = sizeof(struct iwl_tfd); - priv->hw_params.max_stations = IWL5000_STATION_COUNT; - priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID; + priv->hw_params.max_stations = IWLAGN_STATION_COUNT; + priv->hw_params.bcast_sta_id = IWLAGN_BROADCAST_ID; priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE; priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE; @@ -226,8 +226,8 @@ static int iwl5150_hw_set_hw_params(struct iwl_priv *priv) priv->cfg->num_of_queues * sizeof(struct iwlagn_scd_bc_tbl); priv->hw_params.tfd_size = sizeof(struct iwl_tfd); - priv->hw_params.max_stations = IWL5000_STATION_COUNT; - priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID; + priv->hw_params.max_stations = IWLAGN_STATION_COUNT; + priv->hw_params.bcast_sta_id = IWLAGN_BROADCAST_ID; priv->hw_params.max_data_size = IWLAGN_RTC_DATA_SIZE; priv->hw_params.max_inst_size = IWLAGN_RTC_INST_SIZE; @@ -402,6 +402,8 @@ static struct iwl_lib_ops iwl5000_lib = { .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, .check_ack_health = iwl_good_ack_health, + .txfifo_flush = iwlagn_txfifo_flush, + .dev_txfifo_flush = iwlagn_dev_txfifo_flush, }; static struct iwl_lib_ops iwl5150_lib = { @@ -465,6 +467,8 @@ static struct iwl_lib_ops iwl5150_lib = { .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, .check_ack_health = iwl_good_ack_health, + .txfifo_flush = iwlagn_txfifo_flush, + .dev_txfifo_flush = iwlagn_dev_txfifo_flush, }; static const struct iwl_ops iwl5000_ops = { diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 8577664da77c..095521952bbe 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -160,8 +160,8 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv) priv->cfg->num_of_queues * sizeof(struct iwlagn_scd_bc_tbl); priv->hw_params.tfd_size = sizeof(struct iwl_tfd); - priv->hw_params.max_stations = IWL5000_STATION_COUNT; - priv->hw_params.bcast_sta_id = IWL5000_BROADCAST_ID; + priv->hw_params.max_stations = IWLAGN_STATION_COUNT; + priv->hw_params.bcast_sta_id = IWLAGN_BROADCAST_ID; priv->hw_params.max_data_size = IWL60_RTC_DATA_SIZE; priv->hw_params.max_inst_size = IWL60_RTC_INST_SIZE; @@ -327,6 +327,8 @@ static struct iwl_lib_ops iwl6000_lib = { .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, .check_ack_health = iwl_good_ack_health, + .txfifo_flush = iwlagn_txfifo_flush, + .dev_txfifo_flush = iwlagn_dev_txfifo_flush, }; static const struct iwl_ops iwl6000_ops = { @@ -827,6 +829,44 @@ struct iwl_cfg iwl6050_2agn_cfg = { .need_dc_calib = true, }; +struct iwl_cfg iwl6050g2_bgn_cfg = { + .name = "6050 Series 1x2 BGN Gen2", + .fw_name_pre = IWL6050_FW_PRE, + .ucode_api_max = IWL6050_UCODE_API_MAX, + .ucode_api_min = IWL6050_UCODE_API_MIN, + .sku = IWL_SKU_G|IWL_SKU_N, + .ops = &iwl6000_ops, + .eeprom_size = OTP_LOW_IMAGE_SIZE, + .eeprom_ver = EEPROM_6050G2_EEPROM_VERSION, + .eeprom_calib_ver = EEPROM_6050G2_TX_POWER_VERSION, + .num_of_queues = IWLAGN_NUM_QUEUES, + .num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES, + .mod_params = &iwlagn_mod_params, + .valid_tx_ant = ANT_A, + .valid_rx_ant = ANT_AB, + .pll_cfg_val = 0, + .set_l0s = true, + .use_bsm = false, + .pa_type = IWL_PA_SYSTEM, + .max_ll_items = OTP_MAX_LL_ITEMS_6x50, + .shadow_ram_support = true, + .ht_greenfield_support = true, + .led_compensation = 51, + .use_rts_for_ht = true, /* use rts/cts protection */ + .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, + .adv_thermal_throttle = true, + .support_ct_kill_exit = true, + .plcp_delta_threshold = IWL_MAX_PLCP_ERR_THRESHOLD_DEF, + .chain_noise_scale = 1500, + .monitor_recover_period = IWL_MONITORING_PERIOD, + .max_event_log_size = 1024, + .ucode_tracing = true, + .sensitivity_calib_by_driver = true, + .chain_noise_calib_by_driver = true, + .need_dc_calib = true, +}; + struct iwl_cfg iwl6050_2abg_cfg = { .name = "Intel(R) Centrino(R) Advanced-N + WiMAX 6250 ABG", .fw_name_pre = IWL6050_FW_PRE, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c index eb052b05e790..90033e8752bb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c @@ -409,46 +409,34 @@ static int iwl_sens_auto_corr_ofdm(struct iwl_priv *priv, return 0; } -/* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */ -static int iwl_sensitivity_write(struct iwl_priv *priv) +static void iwl_prepare_legacy_sensitivity_tbl(struct iwl_priv *priv, + struct iwl_sensitivity_data *data, + __le16 *tbl) { - struct iwl_sensitivity_cmd cmd ; - struct iwl_sensitivity_data *data = NULL; - struct iwl_host_cmd cmd_out = { - .id = SENSITIVITY_CMD, - .len = sizeof(struct iwl_sensitivity_cmd), - .flags = CMD_ASYNC, - .data = &cmd, - }; - - data = &(priv->sensitivity_data); - - memset(&cmd, 0, sizeof(cmd)); - - cmd.table[HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX] = + tbl[HD_AUTO_CORR32_X4_TH_ADD_MIN_INDEX] = cpu_to_le16((u16)data->auto_corr_ofdm); - cmd.table[HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX] = + tbl[HD_AUTO_CORR32_X4_TH_ADD_MIN_MRC_INDEX] = cpu_to_le16((u16)data->auto_corr_ofdm_mrc); - cmd.table[HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX] = + tbl[HD_AUTO_CORR32_X1_TH_ADD_MIN_INDEX] = cpu_to_le16((u16)data->auto_corr_ofdm_x1); - cmd.table[HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX] = + tbl[HD_AUTO_CORR32_X1_TH_ADD_MIN_MRC_INDEX] = cpu_to_le16((u16)data->auto_corr_ofdm_mrc_x1); - cmd.table[HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX] = + tbl[HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX] = cpu_to_le16((u16)data->auto_corr_cck); - cmd.table[HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX] = + tbl[HD_AUTO_CORR40_X4_TH_ADD_MIN_MRC_INDEX] = cpu_to_le16((u16)data->auto_corr_cck_mrc); - cmd.table[HD_MIN_ENERGY_CCK_DET_INDEX] = + tbl[HD_MIN_ENERGY_CCK_DET_INDEX] = cpu_to_le16((u16)data->nrg_th_cck); - cmd.table[HD_MIN_ENERGY_OFDM_DET_INDEX] = + tbl[HD_MIN_ENERGY_OFDM_DET_INDEX] = cpu_to_le16((u16)data->nrg_th_ofdm); - cmd.table[HD_BARKER_CORR_TH_ADD_MIN_INDEX] = + tbl[HD_BARKER_CORR_TH_ADD_MIN_INDEX] = cpu_to_le16(data->barker_corr_th_min); - cmd.table[HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX] = + tbl[HD_BARKER_CORR_TH_ADD_MIN_MRC_INDEX] = cpu_to_le16(data->barker_corr_th_min_mrc); - cmd.table[HD_OFDM_ENERGY_TH_IN_INDEX] = + tbl[HD_OFDM_ENERGY_TH_IN_INDEX] = cpu_to_le16(data->nrg_th_cca); IWL_DEBUG_CALIB(priv, "ofdm: ac %u mrc %u x1 %u mrc_x1 %u thresh %u\n", @@ -459,6 +447,25 @@ static int iwl_sensitivity_write(struct iwl_priv *priv) IWL_DEBUG_CALIB(priv, "cck: ac %u mrc %u thresh %u\n", data->auto_corr_cck, data->auto_corr_cck_mrc, data->nrg_th_cck); +} + +/* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */ +static int iwl_sensitivity_write(struct iwl_priv *priv) +{ + struct iwl_sensitivity_cmd cmd; + struct iwl_sensitivity_data *data = NULL; + struct iwl_host_cmd cmd_out = { + .id = SENSITIVITY_CMD, + .len = sizeof(struct iwl_sensitivity_cmd), + .flags = CMD_ASYNC, + .data = &cmd, + }; + + data = &(priv->sensitivity_data); + + memset(&cmd, 0, sizeof(cmd)); + + iwl_prepare_legacy_sensitivity_tbl(priv, data, &cmd.table[0]); /* Update uCode's "work" table, and copy it to DSP */ cmd.control = SENSITIVITY_CMD_CONTROL_WORK_TABLE; @@ -477,6 +484,70 @@ static int iwl_sensitivity_write(struct iwl_priv *priv) return iwl_send_cmd(priv, &cmd_out); } +/* Prepare a SENSITIVITY_CMD, send to uCode if values have changed */ +static int iwl_enhance_sensitivity_write(struct iwl_priv *priv) +{ + struct iwl_enhance_sensitivity_cmd cmd; + struct iwl_sensitivity_data *data = NULL; + struct iwl_host_cmd cmd_out = { + .id = SENSITIVITY_CMD, + .len = sizeof(struct iwl_enhance_sensitivity_cmd), + .flags = CMD_ASYNC, + .data = &cmd, + }; + + data = &(priv->sensitivity_data); + + memset(&cmd, 0, sizeof(cmd)); + + iwl_prepare_legacy_sensitivity_tbl(priv, data, &cmd.enhance_table[0]); + + cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX] = + HD_INA_NON_SQUARE_DET_OFDM_DATA; + cmd.enhance_table[HD_INA_NON_SQUARE_DET_CCK_INDEX] = + HD_INA_NON_SQUARE_DET_CCK_DATA; + cmd.enhance_table[HD_CORR_11_INSTEAD_OF_CORR_9_EN_INDEX] = + HD_CORR_11_INSTEAD_OF_CORR_9_EN_DATA; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_INDEX] = + HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_DATA; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_INDEX] = + HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_DATA; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_SLOPE_INDEX] = + HD_OFDM_NON_SQUARE_DET_SLOPE_DATA; + cmd.enhance_table[HD_OFDM_NON_SQUARE_DET_INTERCEPT_INDEX] = + HD_OFDM_NON_SQUARE_DET_INTERCEPT_DATA; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_SLOPE_MRC_INDEX] = + HD_CCK_NON_SQUARE_DET_SLOPE_MRC_DATA; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_INDEX] = + HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_DATA; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_SLOPE_INDEX] = + HD_CCK_NON_SQUARE_DET_SLOPE_DATA; + cmd.enhance_table[HD_CCK_NON_SQUARE_DET_INTERCEPT_INDEX] = + HD_CCK_NON_SQUARE_DET_INTERCEPT_DATA; + + /* Update uCode's "work" table, and copy it to DSP */ + cmd.control = SENSITIVITY_CMD_CONTROL_WORK_TABLE; + + /* Don't send command to uCode if nothing has changed */ + if (!memcmp(&cmd.enhance_table[0], &(priv->sensitivity_tbl[0]), + sizeof(u16)*HD_TABLE_SIZE) && + !memcmp(&cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX], + &(priv->enhance_sensitivity_tbl[0]), + sizeof(u16)*ENHANCE_HD_TABLE_ENTRIES)) { + IWL_DEBUG_CALIB(priv, "No change in SENSITIVITY_CMD\n"); + return 0; + } + + /* Copy table for comparison next time */ + memcpy(&(priv->sensitivity_tbl[0]), &(cmd.enhance_table[0]), + sizeof(u16)*HD_TABLE_SIZE); + memcpy(&(priv->enhance_sensitivity_tbl[0]), + &(cmd.enhance_table[HD_INA_NON_SQUARE_DET_OFDM_INDEX]), + sizeof(u16)*ENHANCE_HD_TABLE_ENTRIES); + + return iwl_send_cmd(priv, &cmd_out); +} + void iwl_init_sensitivity(struct iwl_priv *priv) { int ret = 0; @@ -527,7 +598,10 @@ void iwl_init_sensitivity(struct iwl_priv *priv) data->last_bad_plcp_cnt_cck = 0; data->last_fa_cnt_cck = 0; - ret |= iwl_sensitivity_write(priv); + if (priv->enhance_sensitivity_table) + ret |= iwl_enhance_sensitivity_write(priv); + else + ret |= iwl_sensitivity_write(priv); IWL_DEBUG_CALIB(priv, "<<return 0x%X\n", ret); } @@ -633,7 +707,10 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv, iwl_sens_auto_corr_ofdm(priv, norm_fa_ofdm, rx_enable_time); iwl_sens_energy_cck(priv, norm_fa_cck, rx_enable_time, &statis); - iwl_sensitivity_write(priv); + if (priv->enhance_sensitivity_table) + iwl_enhance_sensitivity_write(priv); + else + iwl_sensitivity_write(priv); } static inline u8 find_first_chain(u8 mask) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index 5f1e7d802cbf..74623e0d535f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -205,7 +205,9 @@ void iwl_check_abort_status(struct iwl_priv *priv, u8 frame_count, u32 status) { if (frame_count == 1 && status == TX_STATUS_FAIL_RFKILL_FLUSH) { - IWL_ERR(priv, "TODO: Implement Tx flush command!!!\n"); + IWL_ERR(priv, "Tx flush command to flush out all frames\n"); + if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) + queue_work(priv->workqueue, &priv->tx_flush); } } @@ -1435,3 +1437,81 @@ void iwl_free_tfds_in_queue(struct iwl_priv *priv, priv->stations[sta_id].tid[tid].tfds_in_queue = 0; } } + +#define IWL_FLUSH_WAIT_MS 2000 + +int iwlagn_wait_tx_queue_empty(struct iwl_priv *priv) +{ + struct iwl_tx_queue *txq; + struct iwl_queue *q; + int cnt; + unsigned long now = jiffies; + int ret = 0; + + /* waiting for all the tx frames complete might take a while */ + for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { + if (cnt == IWL_CMD_QUEUE_NUM) + continue; + txq = &priv->txq[cnt]; + q = &txq->q; + while (q->read_ptr != q->write_ptr && !time_after(jiffies, + now + msecs_to_jiffies(IWL_FLUSH_WAIT_MS))) + msleep(1); + + if (q->read_ptr != q->write_ptr) { + IWL_ERR(priv, "fail to flush all tx fifo queues\n"); + ret = -ETIMEDOUT; + break; + } + } + return ret; +} + +#define IWL_TX_QUEUE_MSK 0xfffff + +/** + * iwlagn_txfifo_flush: send REPLY_TXFIFO_FLUSH command to uCode + * + * pre-requirements: + * 1. acquire mutex before calling + * 2. make sure rf is on and not in exit state + */ +int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control) +{ + struct iwl_txfifo_flush_cmd flush_cmd; + struct iwl_host_cmd cmd = { + .id = REPLY_TXFIFO_FLUSH, + .len = sizeof(struct iwl_txfifo_flush_cmd), + .flags = CMD_SYNC, + .data = &flush_cmd, + }; + + might_sleep(); + + memset(&flush_cmd, 0, sizeof(flush_cmd)); + flush_cmd.fifo_control = IWL_TX_FIFO_VO_MSK | IWL_TX_FIFO_VI_MSK | + IWL_TX_FIFO_BE_MSK | IWL_TX_FIFO_BK_MSK; + if (priv->cfg->sku & IWL_SKU_N) + flush_cmd.fifo_control |= IWL_AGG_TX_QUEUE_MSK; + + IWL_DEBUG_INFO(priv, "fifo queue control: 0X%x\n", + flush_cmd.fifo_control); + flush_cmd.flush_control = cpu_to_le16(flush_control); + + return iwl_send_cmd(priv, &cmd); +} + +void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control) +{ + mutex_lock(&priv->mutex); + ieee80211_stop_queues(priv->hw); + if (priv->cfg->ops->lib->txfifo_flush(priv, IWL_DROP_ALL)) { + IWL_ERR(priv, "flush request fail\n"); + goto done; + } + IWL_DEBUG_INFO(priv, "wait transmit/flush all frames\n"); + iwlagn_wait_tx_queue_empty(priv); +done: + ieee80211_wake_queues(priv->hw); + mutex_unlock(&priv->mutex); +} diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index 2573234e4db1..55a1b31fd09a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -950,9 +950,12 @@ void iwlagn_txq_ctx_stop(struct iwl_priv *priv) /* Stop each Tx DMA channel, and wait for it to be idle */ for (ch = 0; ch < priv->hw_params.dma_chnl_num; ch++) { iwl_write_direct32(priv, FH_TCSR_CHNL_TX_CONFIG_REG(ch), 0x0); - iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG, + if (iwl_poll_direct_bit(priv, FH_TSSR_TX_STATUS_REG, FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(ch), - 1000); + 1000)) + IWL_ERR(priv, "Failing on timeout while stopping" + " DMA channel %d [0x%08x]", ch, + iwl_read_direct32(priv, FH_TSSR_TX_STATUS_REG)); } spin_unlock_irqrestore(&priv->lock, flags); } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 3368cfd25a99..7391c63fb024 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -859,6 +859,24 @@ int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src) return 0; } +static void iwl_bg_tx_flush(struct work_struct *work) +{ + struct iwl_priv *priv = + container_of(work, struct iwl_priv, tx_flush); + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + return; + + /* do nothing if rf-kill is on */ + if (!iwl_is_ready_rf(priv)) + return; + + if (priv->cfg->ops->lib->txfifo_flush) { + IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n"); + iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); + } +} + /** * iwl_setup_rx_handlers - Initialize Rx handler callbacks * @@ -1806,12 +1824,21 @@ static int iwlagn_load_firmware(struct iwl_priv *priv, const u8 *data; int wanted_alternative = iwlagn_wanted_ucode_alternative, tmp; u64 alternatives; + u32 tlv_len; + enum iwl_ucode_tlv_type tlv_type; + const u8 *tlv_data; + int ret = 0; - if (len < sizeof(*ucode)) + if (len < sizeof(*ucode)) { + IWL_ERR(priv, "uCode has invalid length: %zd\n", len); return -EINVAL; + } - if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) + if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { + IWL_ERR(priv, "invalid uCode magic: 0X%x\n", + le32_to_cpu(ucode->magic)); return -EINVAL; + } /* * Check which alternatives are present, and "downgrade" @@ -1836,11 +1863,9 @@ static int iwlagn_load_firmware(struct iwl_priv *priv, len -= sizeof(*ucode); - while (len >= sizeof(*tlv)) { - u32 tlv_len; - enum iwl_ucode_tlv_type tlv_type; + while (len >= sizeof(*tlv) && !ret) { u16 tlv_alt; - const u8 *tlv_data; + u32 fixed_tlv_size = 4; len -= sizeof(*tlv); tlv = (void *)data; @@ -1850,8 +1875,11 @@ static int iwlagn_load_firmware(struct iwl_priv *priv, tlv_alt = le16_to_cpu(tlv->alternative); tlv_data = tlv->data; - if (len < tlv_len) + if (len < tlv_len) { + IWL_ERR(priv, "invalid TLV len: %zd/%u\n", + len, tlv_len); return -EINVAL; + } len -= ALIGN(tlv_len, 4); data += sizeof(*tlv) + ALIGN(tlv_len, 4); @@ -1885,56 +1913,77 @@ static int iwlagn_load_firmware(struct iwl_priv *priv, pieces->boot_size = tlv_len; break; case IWL_UCODE_TLV_PROBE_MAX_LEN: - if (tlv_len != 4) - return -EINVAL; - capa->max_probe_length = - le32_to_cpup((__le32 *)tlv_data); + if (tlv_len != fixed_tlv_size) + ret = -EINVAL; + else + capa->max_probe_length = + le32_to_cpup((__le32 *)tlv_data); break; case IWL_UCODE_TLV_INIT_EVTLOG_PTR: - if (tlv_len != 4) - return -EINVAL; - pieces->init_evtlog_ptr = - le32_to_cpup((__le32 *)tlv_data); + if (tlv_len != fixed_tlv_size) + ret = -EINVAL; + else + pieces->init_evtlog_ptr = + le32_to_cpup((__le32 *)tlv_data); break; case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: - if (tlv_len != 4) - return -EINVAL; - pieces->init_evtlog_size = - le32_to_cpup((__le32 *)tlv_data); + if (tlv_len != fixed_tlv_size) + ret = -EINVAL; + else + pieces->init_evtlog_size = + le32_to_cpup((__le32 *)tlv_data); break; case IWL_UCODE_TLV_INIT_ERRLOG_PTR: - if (tlv_len != 4) - return -EINVAL; - pieces->init_errlog_ptr = - le32_to_cpup((__le32 *)tlv_data); + if (tlv_len != fixed_tlv_size) + ret = -EINVAL; + else + pieces->init_errlog_ptr = + le32_to_cpup((__le32 *)tlv_data); break; case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: - if (tlv_len != 4) - return -EINVAL; - pieces->inst_evtlog_ptr = - le32_to_cpup((__le32 *)tlv_data); + if (tlv_len != fixed_tlv_size) + ret = -EINVAL; + else + pieces->inst_evtlog_ptr = + le32_to_cpup((__le32 *)tlv_data); break; case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: - if (tlv_len != 4) - return -EINVAL; - pieces->inst_evtlog_size = - le32_to_cpup((__le32 *)tlv_data); + if (tlv_len != fixed_tlv_size) + ret = -EINVAL; + else + pieces->inst_evtlog_size = + le32_to_cpup((__le32 *)tlv_data); break; case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: - if (tlv_len != 4) - return -EINVAL; - pieces->inst_errlog_ptr = - le32_to_cpup((__le32 *)tlv_data); + if (tlv_len != fixed_tlv_size) + ret = -EINVAL; + else + pieces->inst_errlog_ptr = + le32_to_cpup((__le32 *)tlv_data); + break; + case IWL_UCODE_TLV_ENHANCE_SENS_TBL: + if (tlv_len) + ret = -EINVAL; + else + priv->enhance_sensitivity_table = true; break; default: + IWL_WARN(priv, "unknown TLV: %d\n", tlv_type); break; } } - if (len) - return -EINVAL; + if (len) { + IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len); + iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len); + ret = -EINVAL; + } else if (ret) { + IWL_ERR(priv, "TLV %d has invalid size: %u\n", + tlv_type, tlv_len); + iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)tlv_data, tlv_len); + } - return 0; + return ret; } /** @@ -2247,17 +2296,41 @@ static const char *desc_lookup_text[] = { "DEBUG_1", "DEBUG_2", "DEBUG_3", - "ADVANCED SYSASSERT" }; -static const char *desc_lookup(int i) +static struct { char *name; u8 num; } advanced_lookup[] = { + { "NMI_INTERRUPT_WDG", 0x34 }, + { "SYSASSERT", 0x35 }, + { "UCODE_VERSION_MISMATCH", 0x37 }, + { "BAD_COMMAND", 0x38 }, + { "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C }, + { "FATAL_ERROR", 0x3D }, + { "NMI_TRM_HW_ERR", 0x46 }, + { "NMI_INTERRUPT_TRM", 0x4C }, + { "NMI_INTERRUPT_BREAK_POINT", 0x54 }, + { "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C }, + { "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 }, + { "NMI_INTERRUPT_HOST", 0x66 }, + { "NMI_INTERRUPT_ACTION_PT", 0x7C }, + { "NMI_INTERRUPT_UNKNOWN", 0x84 }, + { "NMI_INTERRUPT_INST_ACTION_PT", 0x86 }, + { "ADVANCED_SYSASSERT", 0 }, +}; + +static const char *desc_lookup(u32 num) { - int max = ARRAY_SIZE(desc_lookup_text) - 1; + int i; + int max = ARRAY_SIZE(desc_lookup_text); - if (i < 0 || i > max) - i = max; + if (num < max) + return desc_lookup_text[num]; - return desc_lookup_text[i]; + max = ARRAY_SIZE(advanced_lookup) - 1; + for (i = 0; i < max; i++) { + if (advanced_lookup[i].num == num) + break;; + } + return advanced_lookup[i].name; } #define ERROR_START_OFFSET (1 * sizeof(u32)) @@ -3614,6 +3687,44 @@ out_exit: IWL_DEBUG_MAC80211(priv, "leave\n"); } +static void iwl_mac_flush(struct ieee80211_hw *hw, bool drop) +{ + struct iwl_priv *priv = hw->priv; + + mutex_lock(&priv->mutex); + IWL_DEBUG_MAC80211(priv, "enter\n"); + + /* do not support "flush" */ + if (!priv->cfg->ops->lib->txfifo_flush) + goto done; + + if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { + IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n"); + goto done; + } + if (iwl_is_rfkill(priv)) { + IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n"); + goto done; + } + + /* + * mac80211 will not push any more frames for transmit + * until the flush is completed + */ + if (drop) { + IWL_DEBUG_MAC80211(priv, "send flush command\n"); + if (priv->cfg->ops->lib->txfifo_flush(priv, IWL_DROP_ALL)) { + IWL_ERR(priv, "flush request fail\n"); + goto done; + } + } + IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n"); + iwlagn_wait_tx_queue_empty(priv); +done: + mutex_unlock(&priv->mutex); + IWL_DEBUG_MAC80211(priv, "leave\n"); +} + /***************************************************************************** * * driver setup and teardown @@ -3630,6 +3741,7 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish); INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update); INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work); + INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush); INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start); INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start); @@ -3787,6 +3899,7 @@ static struct ieee80211_ops iwl_hw_ops = { .sta_add = iwlagn_mac_sta_add, .sta_remove = iwl_mac_sta_remove, .channel_switch = iwl_mac_channel_switch, + .flush = iwl_mac_flush, }; static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) @@ -4234,6 +4347,14 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)}, {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)}, +/* 6x50 WiFi/WiMax Series Gen2 */ + {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6050g2_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0885, 0x1306, iwl6050g2_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6050g2_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0885, 0x1326, iwl6050g2_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6050g2_bgn_cfg)}, + {IWL_PCI_DEVICE(0x0886, 0x1316, iwl6050g2_bgn_cfg)}, + /* 1000 Series WiFi */ {IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)}, {IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)}, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index be9d298cae2c..cc6464dc72e5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -89,6 +89,7 @@ extern struct iwl_cfg iwl6000i_2bg_cfg; extern struct iwl_cfg iwl6000_3agn_cfg; extern struct iwl_cfg iwl6050_2agn_cfg; extern struct iwl_cfg iwl6050_2abg_cfg; +extern struct iwl_cfg iwl6050g2_bgn_cfg; extern struct iwl_cfg iwl1000_bgn_cfg; extern struct iwl_cfg iwl1000_bg_cfg; @@ -147,6 +148,9 @@ const u8 *iwlagn_eeprom_query_addr(const struct iwl_priv *priv, void iwlagn_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq); int iwlagn_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq); int iwlagn_hw_nic_init(struct iwl_priv *priv); +int iwlagn_wait_tx_queue_empty(struct iwl_priv *priv); +int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control); +void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control); /* rx */ void iwlagn_rx_queue_restock(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index acf8e980b1fe..8d2db9d22045 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -97,6 +97,7 @@ enum { REPLY_ADD_STA = 0x18, REPLY_REMOVE_STA = 0x19, REPLY_REMOVE_ALL_STA = 0x1a, /* not used */ + REPLY_TXFIFO_FLUSH = 0x1e, /* Security */ REPLY_WEPKEY = 0x20, @@ -957,8 +958,8 @@ struct iwl_qosparam_cmd { #define IWL3945_STATION_COUNT 25 #define IWL4965_BROADCAST_ID 31 #define IWL4965_STATION_COUNT 32 -#define IWL5000_BROADCAST_ID 15 -#define IWL5000_STATION_COUNT 16 +#define IWLAGN_BROADCAST_ID 15 +#define IWLAGN_STATION_COUNT 16 #define IWL_STATION_COUNT 32 /* MAX(3945,4965)*/ #define IWL_INVALID_STATION 255 @@ -1209,6 +1210,43 @@ struct iwl_rem_sta_cmd { u8 reserved2[2]; } __packed; +#define IWL_TX_FIFO_BK_MSK cpu_to_le32(BIT(0)) +#define IWL_TX_FIFO_BE_MSK cpu_to_le32(BIT(1)) +#define IWL_TX_FIFO_VI_MSK cpu_to_le32(BIT(2)) +#define IWL_TX_FIFO_VO_MSK cpu_to_le32(BIT(3)) +#define IWL_AGG_TX_QUEUE_MSK cpu_to_le32(0xffc00) + +#define IWL_DROP_SINGLE 0 +#define IWL_DROP_SELECTED 1 +#define IWL_DROP_ALL 2 + +/* + * REPLY_TXFIFO_FLUSH = 0x1e(command and response) + * + * When using full FIFO flush this command checks the scheduler HW block WR/RD + * pointers to check if all the frames were transferred by DMA into the + * relevant TX FIFO queue. Only when the DMA is finished and the queue is + * empty the command can finish. + * This command is used to flush the TXFIFO from transmit commands, it may + * operate on single or multiple queues, the command queue can't be flushed by + * this command. The command response is returned when all the queue flush + * operations are done. Each TX command flushed return response with the FLUSH + * status set in the TX response status. When FIFO flush operation is used, + * the flush operation ends when both the scheduler DMA done and TXFIFO empty + * are set. + * + * @fifo_control: bit mask for which queues to flush + * @flush_control: flush controls + * 0: Dump single MSDU + * 1: Dump multiple MSDU according to PS, INVALID STA, TTL, TID disable. + * 2: Dump all FIFO + */ +struct iwl_txfifo_flush_cmd { + __le32 fifo_control; + __le16 flush_control; + __le16 reserved; +} __attribute__ ((packed)); + /* * REPLY_WEP_KEY = 0x20 */ @@ -3452,6 +3490,41 @@ struct iwl_missed_beacon_notif { #define HD_AUTO_CORR40_X4_TH_ADD_MIN_INDEX (9) #define HD_OFDM_ENERGY_TH_IN_INDEX (10) +/* + * Additional table entries in enhance SENSITIVITY_CMD + */ +#define HD_INA_NON_SQUARE_DET_OFDM_INDEX (11) +#define HD_INA_NON_SQUARE_DET_CCK_INDEX (12) +#define HD_CORR_11_INSTEAD_OF_CORR_9_EN_INDEX (13) +#define HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_INDEX (14) +#define HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_INDEX (15) +#define HD_OFDM_NON_SQUARE_DET_SLOPE_INDEX (16) +#define HD_OFDM_NON_SQUARE_DET_INTERCEPT_INDEX (17) +#define HD_CCK_NON_SQUARE_DET_SLOPE_MRC_INDEX (18) +#define HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_INDEX (19) +#define HD_CCK_NON_SQUARE_DET_SLOPE_INDEX (20) +#define HD_CCK_NON_SQUARE_DET_INTERCEPT_INDEX (21) +#define HD_RESERVED (22) + +/* number of entries for enhanced tbl */ +#define ENHANCE_HD_TABLE_SIZE (23) + +/* number of additional entries for enhanced tbl */ +#define ENHANCE_HD_TABLE_ENTRIES (ENHANCE_HD_TABLE_SIZE - HD_TABLE_SIZE) + +#define HD_INA_NON_SQUARE_DET_OFDM_DATA cpu_to_le16(0) +#define HD_INA_NON_SQUARE_DET_CCK_DATA cpu_to_le16(0) +#define HD_CORR_11_INSTEAD_OF_CORR_9_EN_DATA cpu_to_le16(0) +#define HD_OFDM_NON_SQUARE_DET_SLOPE_MRC_DATA cpu_to_le16(668) +#define HD_OFDM_NON_SQUARE_DET_INTERCEPT_MRC_DATA cpu_to_le16(4) +#define HD_OFDM_NON_SQUARE_DET_SLOPE_DATA cpu_to_le16(486) +#define HD_OFDM_NON_SQUARE_DET_INTERCEPT_DATA cpu_to_le16(37) +#define HD_CCK_NON_SQUARE_DET_SLOPE_MRC_DATA cpu_to_le16(853) +#define HD_CCK_NON_SQUARE_DET_INTERCEPT_MRC_DATA cpu_to_le16(4) +#define HD_CCK_NON_SQUARE_DET_SLOPE_DATA cpu_to_le16(476) +#define HD_CCK_NON_SQUARE_DET_INTERCEPT_DATA cpu_to_le16(99) + + /* Control field in struct iwl_sensitivity_cmd */ #define SENSITIVITY_CMD_CONTROL_DEFAULT_TABLE cpu_to_le16(0) #define SENSITIVITY_CMD_CONTROL_WORK_TABLE cpu_to_le16(1) @@ -3468,6 +3541,14 @@ struct iwl_sensitivity_cmd { __le16 table[HD_TABLE_SIZE]; /* use HD_* as index */ } __packed; +/* + * + */ +struct iwl_enhance_sensitivity_cmd { + __le16 control; /* always use "1" */ + __le16 enhance_table[ENHANCE_HD_TABLE_SIZE]; /* use HD_* as index */ +} __attribute__ ((packed)); + /** * REPLY_PHY_CALIBRATION_CMD = 0xb0 (command, has simple generic response) diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index a56fb466d0b6..f73eb08a9494 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -2627,7 +2627,7 @@ static void iwl_force_rf_reset(struct iwl_priv *priv) } -int iwl_force_reset(struct iwl_priv *priv, int mode) +int iwl_force_reset(struct iwl_priv *priv, int mode, bool external) { struct iwl_force_reset *force_reset; @@ -2640,12 +2640,14 @@ int iwl_force_reset(struct iwl_priv *priv, int mode) } force_reset = &priv->force_reset[mode]; force_reset->reset_request_count++; - if (force_reset->last_force_reset_jiffies && - time_after(force_reset->last_force_reset_jiffies + - force_reset->reset_duration, jiffies)) { - IWL_DEBUG_INFO(priv, "force reset rejected\n"); - force_reset->reset_reject_count++; - return -EAGAIN; + if (!external) { + if (force_reset->last_force_reset_jiffies && + time_after(force_reset->last_force_reset_jiffies + + force_reset->reset_duration, jiffies)) { + IWL_DEBUG_INFO(priv, "force reset rejected\n"); + force_reset->reset_reject_count++; + return -EAGAIN; + } } force_reset->reset_success_count++; force_reset->last_force_reset_jiffies = jiffies; @@ -2655,6 +2657,19 @@ int iwl_force_reset(struct iwl_priv *priv, int mode) iwl_force_rf_reset(priv); break; case IWL_FW_RESET: + /* + * if the request is from external(ex: debugfs), + * then always perform the request in regardless the module + * parameter setting + * if the request is from internal (uCode error or driver + * detect failure), then fw_restart module parameter + * need to be check before performing firmware reload + */ + if (!external && !priv->cfg->mod_params->restart_fw) { + IWL_DEBUG_INFO(priv, "Cancel firmware reload based on " + "module parameter setting\n"); + break; + } IWL_ERR(priv, "On demand firmware reload\n"); /* Set the FW error flag -- cleared on iwl_down */ set_bit(STATUS_FW_ERROR, &priv->status); @@ -2713,7 +2728,7 @@ static int iwl_check_stuck_queue(struct iwl_priv *priv, int cnt) "queue %d stuck %d time. Fw reload.\n", q->id, q->repeat_same_read_ptr); q->repeat_same_read_ptr = 0; - iwl_force_reset(priv, IWL_FW_RESET); + iwl_force_reset(priv, IWL_FW_RESET, false); } else { q->repeat_same_read_ptr++; IWL_DEBUG_RADIO(priv, diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 15930e064022..fcbba3d604de 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -205,6 +205,9 @@ struct iwl_lib_ops { /* check for ack health */ bool (*check_ack_health)(struct iwl_priv *priv, struct iwl_rx_packet *pkt); + int (*txfifo_flush)(struct iwl_priv *priv, u16 flush_control); + void (*dev_txfifo_flush)(struct iwl_priv *priv, u16 flush_control); + struct iwl_debugfs_ops debugfs_ops; }; @@ -525,7 +528,7 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, struct cfg80211_scan_request *req); void iwl_bg_start_internal_scan(struct work_struct *work); void iwl_internal_short_hw_scan(struct iwl_priv *priv); -int iwl_force_reset(struct iwl_priv *priv, int mode); +int iwl_force_reset(struct iwl_priv *priv, int mode, bool external); u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame, const u8 *ta, const u8 *ie, int ie_len, int left); void iwl_setup_rx_scan_handlers(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index 254c35ae8b38..ecf98e7ac4ed 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -298,6 +298,7 @@ #define CSR_HW_REV_TYPE_1000 (0x0000060) #define CSR_HW_REV_TYPE_6x00 (0x0000070) #define CSR_HW_REV_TYPE_6x50 (0x0000080) +#define CSR_HW_REV_TYPE_6x50g2 (0x0000084) #define CSR_HW_REV_TYPE_6x00g2 (0x00000B0) #define CSR_HW_REV_TYPE_NONE (0x00000F0) diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 7d9ffc1575de..088a2c13f59b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -1487,7 +1487,7 @@ static ssize_t iwl_dbgfs_force_reset_write(struct file *file, switch (reset) { case IWL_RF_RESET: case IWL_FW_RESET: - ret = iwl_force_reset(priv, reset); + ret = iwl_force_reset(priv, reset, true); break; default: return -EINVAL; @@ -1495,6 +1495,30 @@ static ssize_t iwl_dbgfs_force_reset_write(struct file *file, return ret ? ret : count; } +static ssize_t iwl_dbgfs_txfifo_flush_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 flush; + + 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", &flush) != 1) + return -EINVAL; + + if (iwl_is_rfkill(priv)) + return -EFAULT; + + priv->cfg->ops->lib->dev_txfifo_flush(priv, IWL_DROP_ALL); + + return count; +} + DEBUGFS_READ_FILE_OPS(rx_statistics); DEBUGFS_READ_FILE_OPS(tx_statistics); DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); @@ -1516,6 +1540,7 @@ DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); DEBUGFS_READ_WRITE_FILE_OPS(force_reset); DEBUGFS_READ_FILE_OPS(rxon_flags); DEBUGFS_READ_FILE_OPS(rxon_filter_flags); +DEBUGFS_WRITE_FILE_OPS(txfifo_flush); /* * Create the debugfs files and directories @@ -1574,6 +1599,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR); + if (priv->cfg->ops->lib->dev_txfifo_flush) + DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR); if (priv->cfg->sensitivity_calib_by_driver) DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index 728752aa1bb5..c4dba62b74af 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -570,6 +570,7 @@ enum iwl_ucode_tlv_type { IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11, IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12, IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13, + IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14, }; struct iwl_ucode_tlv { @@ -1193,7 +1194,9 @@ struct iwl_priv { u8 start_calib; struct iwl_sensitivity_data sensitivity_data; struct iwl_chain_noise_data chain_noise_data; + bool enhance_sensitivity_table; __le16 sensitivity_tbl[HD_TABLE_SIZE]; + __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES]; struct iwl_ht_config current_ht_config; @@ -1345,6 +1348,7 @@ struct iwl_priv { struct work_struct ct_enter; struct work_struct ct_exit; struct work_struct start_internal_scan; + struct work_struct tx_flush; struct tasklet_struct irq_tasklet; diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h index 5488006491a2..3452dfa7b571 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h @@ -276,6 +276,10 @@ struct iwl_eeprom_enhanced_txpwr { #define EEPROM_6050_TX_POWER_VERSION (4) #define EEPROM_6050_EEPROM_VERSION (0x532) +/* 6x50g2 Specific */ +#define EEPROM_6050G2_TX_POWER_VERSION (6) +#define EEPROM_6050G2_EEPROM_VERSION (0x553) + /* 6x00g2 Specific */ #define EEPROM_6000G2_TX_POWER_VERSION (6) #define EEPROM_6000G2_EEPROM_VERSION (0x709) diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index a3fcbb5f2c70..55b8370bc6d4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -398,12 +398,7 @@ */ #define FH_TSSR_TX_ERROR_REG (FH_TSSR_LOWER_BOUND + 0x018) -#define FH_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_chnl) ((1 << (_chnl)) << 24) -#define FH_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_chnl) ((1 << (_chnl)) << 16) - -#define FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_chnl) \ - (FH_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_chnl) | \ - FH_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_chnl)) +#define FH_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_chnl) ((1 << (_chnl)) << 16) /* Tx service channels */ #define FH_SRVC_CHNL (9) diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c index 51f89e7ba681..258d059ef41f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c +++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c @@ -49,6 +49,7 @@ const char *get_cmd_string(u8 cmd) IWL_CMD(REPLY_ADD_STA); IWL_CMD(REPLY_REMOVE_STA); IWL_CMD(REPLY_REMOVE_ALL_STA); + IWL_CMD(REPLY_TXFIFO_FLUSH); IWL_CMD(REPLY_WEPKEY); IWL_CMD(REPLY_3945_RX); IWL_CMD(REPLY_TX); diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index b437f317b979..79773e353baa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -238,7 +238,7 @@ void iwl_recover_from_statistics(struct iwl_priv *priv, */ IWL_ERR(priv, "low ack count detected, " "restart firmware\n"); - if (!iwl_force_reset(priv, IWL_FW_RESET)) + if (!iwl_force_reset(priv, IWL_FW_RESET, false)) return; } } @@ -249,7 +249,7 @@ void iwl_recover_from_statistics(struct iwl_priv *priv, * high plcp error detected * reset Radio */ - iwl_force_reset(priv, IWL_RF_RESET); + iwl_force_reset(priv, IWL_RF_RESET, false); } } } diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h index ba95b1a590a5..d38a350ba0bd 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.h +++ b/drivers/net/wireless/iwlwifi/iwl-sta.h @@ -98,6 +98,17 @@ static inline void iwl_clear_driver_stations(struct iwl_priv *priv) spin_lock_irqsave(&priv->sta_lock, flags); memset(priv->stations, 0, sizeof(priv->stations)); priv->num_stations = 0; + + /* + * Remove all key information that is not stored as part of station + * information since mac80211 may not have had a + * chance to remove all the keys. When device is reconfigured by + * mac80211 after an error all keys will be reconfigured. + */ + priv->ucode_key_table = 0; + priv->key_mapping_key = 0; + memset(priv->wep_keys, 0, sizeof(priv->wep_keys)); + spin_unlock_irqrestore(&priv->sta_lock, flags); } |