diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 1267 |
1 files changed, 999 insertions, 268 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 2a9a16f901c3..8d7637083fcf 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -26,6 +26,9 @@ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -43,13 +46,13 @@ #include "iwl-eeprom.h" #include "iwl-dev.h" -#include "iwl-core.h" #include "iwl-io.h" #include "iwl-agn-calib.h" #include "iwl-agn.h" -#include "iwl-shared.h" #include "iwl-trans.h" #include "iwl-op-mode.h" +#include "iwl-drv.h" +#include "iwl-modparams.h" /****************************************************************************** * @@ -177,7 +180,7 @@ int iwlagn_send_beacon_cmd(struct iwl_priv *priv) rate = info->control.rates[0].idx; priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant, - hw_params(priv).valid_tx_ant); + priv->hw_params.valid_tx_ant); rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant); /* In mac80211, rates for 5 GHz start at 0 */ @@ -286,6 +289,25 @@ out: mutex_unlock(&priv->mutex); } +int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear) +{ + struct iwl_statistics_cmd statistics_cmd = { + .configuration_flags = + clear ? IWL_STATS_CONF_CLEAR_STATS : 0, + }; + + if (flags & CMD_ASYNC) + return iwl_dvm_send_cmd_pdu(priv, REPLY_STATISTICS_CMD, + CMD_ASYNC, + sizeof(struct iwl_statistics_cmd), + &statistics_cmd); + else + return iwl_dvm_send_cmd_pdu(priv, REPLY_STATISTICS_CMD, + CMD_SYNC, + sizeof(struct iwl_statistics_cmd), + &statistics_cmd); +} + /** * iwl_bg_statistics_periodic - Timer callback to queue statistics * @@ -326,14 +348,14 @@ static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&trans(priv)->reg_lock, reg_flags); - if (unlikely(!iwl_grab_nic_access(trans(priv)))) { - spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); + spin_lock_irqsave(&priv->trans->reg_lock, reg_flags); + if (unlikely(!iwl_grab_nic_access(priv->trans))) { + spin_unlock_irqrestore(&priv->trans->reg_lock, reg_flags); return; } /* Set starting address; reads will auto-increment */ - iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, ptr); + iwl_write32(priv->trans, HBUS_TARG_MEM_RADDR, ptr); /* * Refuse to read more than would have fit into the log from @@ -349,20 +371,20 @@ static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base, * place event id # at far right for easier visual parsing. */ for (i = 0; i < num_events; i++) { - ev = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); - time = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); + ev = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); + time = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); if (mode == 0) { trace_iwlwifi_dev_ucode_cont_event( - trans(priv)->dev, 0, time, ev); + priv->trans->dev, 0, time, ev); } else { - data = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT); + data = iwl_read32(priv->trans, HBUS_TARG_MEM_RDAT); trace_iwlwifi_dev_ucode_cont_event( - trans(priv)->dev, time, data, ev); + priv->trans->dev, time, data, ev); } } /* Allow device to power down */ - iwl_release_nic_access(trans(priv)); - spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags); + iwl_release_nic_access(priv->trans); + spin_unlock_irqrestore(&priv->trans->reg_lock, reg_flags); } static void iwl_continuous_event_trace(struct iwl_priv *priv) @@ -379,10 +401,9 @@ static void iwl_continuous_event_trace(struct iwl_priv *priv) u32 num_wraps; /* # times uCode wrapped to top of log */ u32 next_entry; /* index of next entry to be written by uCode */ - base = priv->shrd->device_pointers.log_event_table; + base = priv->device_pointers.log_event_table; if (iwlagn_hw_valid_rtc_data_addr(base)) { - iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read)); - + iwl_read_targ_mem_words(priv->trans, base, &read, sizeof(read)); capacity = read.capacity; mode = read.mode; num_wraps = read.wrap_counter; @@ -422,7 +443,7 @@ static void iwl_continuous_event_trace(struct iwl_priv *priv) else priv->event_log.wraps_once_count++; - trace_iwlwifi_dev_ucode_wrap_event(trans(priv)->dev, + trace_iwlwifi_dev_ucode_wrap_event(priv->trans->dev, num_wraps - priv->event_log.num_wraps, next_entry, priv->event_log.next_entry); @@ -488,7 +509,76 @@ static void iwl_bg_tx_flush(struct work_struct *work) iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL); } -static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) +/* + * queue/FIFO/AC mapping definitions + */ + +#define IWL_TX_FIFO_BK 0 /* shared */ +#define IWL_TX_FIFO_BE 1 +#define IWL_TX_FIFO_VI 2 /* shared */ +#define IWL_TX_FIFO_VO 3 +#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK +#define IWL_TX_FIFO_BE_IPAN 4 +#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI +#define IWL_TX_FIFO_VO_IPAN 5 +/* re-uses the VO FIFO, uCode will properly flush/schedule */ +#define IWL_TX_FIFO_AUX 5 +#define IWL_TX_FIFO_UNUSED -1 + +#define IWLAGN_CMD_FIFO_NUM 7 + +/* + * This queue number is required for proper operation + * because the ucode will stop/start the scheduler as + * required. + */ +#define IWL_IPAN_MCAST_QUEUE 8 + +static const u8 iwlagn_default_queue_to_tx_fifo[] = { + IWL_TX_FIFO_VO, + IWL_TX_FIFO_VI, + IWL_TX_FIFO_BE, + IWL_TX_FIFO_BK, + IWLAGN_CMD_FIFO_NUM, +}; + +static const u8 iwlagn_ipan_queue_to_tx_fifo[] = { + IWL_TX_FIFO_VO, + IWL_TX_FIFO_VI, + IWL_TX_FIFO_BE, + IWL_TX_FIFO_BK, + IWL_TX_FIFO_BK_IPAN, + IWL_TX_FIFO_BE_IPAN, + IWL_TX_FIFO_VI_IPAN, + IWL_TX_FIFO_VO_IPAN, + IWL_TX_FIFO_BE_IPAN, + IWLAGN_CMD_FIFO_NUM, + IWL_TX_FIFO_AUX, +}; + +static const u8 iwlagn_bss_ac_to_fifo[] = { + IWL_TX_FIFO_VO, + IWL_TX_FIFO_VI, + IWL_TX_FIFO_BE, + IWL_TX_FIFO_BK, +}; + +static const u8 iwlagn_bss_ac_to_queue[] = { + 0, 1, 2, 3, +}; + +static const u8 iwlagn_pan_ac_to_fifo[] = { + IWL_TX_FIFO_VO_IPAN, + IWL_TX_FIFO_VI_IPAN, + IWL_TX_FIFO_BE_IPAN, + IWL_TX_FIFO_BK_IPAN, +}; + +static const u8 iwlagn_pan_ac_to_queue[] = { + 7, 6, 5, 4, +}; + +void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) { int i; @@ -496,9 +586,9 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) * The default context is always valid, * the PAN context depends on uCode. */ - priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS); + priv->valid_contexts = BIT(IWL_RXON_CTX_BSS); if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) - priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN); + priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN); for (i = 0; i < NUM_IWL_RXON_CTX; i++) priv->contexts[i].ctxid = i; @@ -520,6 +610,10 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS; priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS; priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS; + memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue, + iwlagn_bss_ac_to_queue, sizeof(iwlagn_bss_ac_to_queue)); + memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo, + iwlagn_bss_ac_to_fifo, sizeof(iwlagn_bss_ac_to_fifo)); priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON; priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd = @@ -542,26 +636,31 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags) priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP; priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA; priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P; + memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue, + iwlagn_pan_ac_to_queue, sizeof(iwlagn_pan_ac_to_queue)); + memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo, + iwlagn_pan_ac_to_fifo, sizeof(iwlagn_pan_ac_to_fifo)); + priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE; BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); } -static void iwl_rf_kill_ct_config(struct iwl_priv *priv) +void iwl_rf_kill_ct_config(struct iwl_priv *priv) { struct iwl_ct_kill_config cmd; struct iwl_ct_kill_throttling_config adv_cmd; int ret = 0; - iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR, + iwl_write32(priv->trans, CSR_UCODE_DRV_GP1_CLR, CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT); priv->thermal_throttle.ct_kill_toggle = false; - if (cfg(priv)->base_params->support_ct_kill_exit) { + if (priv->cfg->base_params->support_ct_kill_exit) { adv_cmd.critical_temperature_enter = - cpu_to_le32(hw_params(priv).ct_kill_threshold); + cpu_to_le32(priv->hw_params.ct_kill_threshold); adv_cmd.critical_temperature_exit = - cpu_to_le32(hw_params(priv).ct_kill_exit_threshold); + cpu_to_le32(priv->hw_params.ct_kill_exit_threshold); ret = iwl_dvm_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, @@ -572,11 +671,11 @@ static void iwl_rf_kill_ct_config(struct iwl_priv *priv) IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " "succeeded, critical temperature enter is %d," "exit is %d\n", - hw_params(priv).ct_kill_threshold, - hw_params(priv).ct_kill_exit_threshold); + priv->hw_params.ct_kill_threshold, + priv->hw_params.ct_kill_exit_threshold); } else { cmd.critical_temperature_R = - cpu_to_le32(hw_params(priv).ct_kill_threshold); + cpu_to_le32(priv->hw_params.ct_kill_threshold); ret = iwl_dvm_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD, @@ -587,7 +686,7 @@ static void iwl_rf_kill_ct_config(struct iwl_priv *priv) IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD " "succeeded, " "critical temperature is %d\n", - hw_params(priv).ct_kill_threshold); + priv->hw_params.ct_kill_threshold); } } @@ -627,6 +726,29 @@ static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant) } } +void iwl_send_bt_config(struct iwl_priv *priv) +{ + struct iwl_bt_cmd bt_cmd = { + .lead_time = BT_LEAD_TIME_DEF, + .max_kill = BT_MAX_KILL_DEF, + .kill_ack_mask = 0, + .kill_cts_mask = 0, + }; + + if (!iwlwifi_mod_params.bt_coex_active) + bt_cmd.flags = BT_COEX_DISABLE; + else + bt_cmd.flags = BT_COEX_ENABLE; + + priv->bt_enable_flag = bt_cmd.flags; + IWL_DEBUG_INFO(priv, "BT coex %s\n", + (bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active"); + + if (iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG, + CMD_SYNC, sizeof(struct iwl_bt_cmd), &bt_cmd)) + IWL_ERR(priv, "failed to send BT Coex Config\n"); +} + /** * iwl_alive_start - called after REPLY_ALIVE notification received * from protocol/runtime uCode (initialization uCode's @@ -642,9 +764,6 @@ int iwl_alive_start(struct iwl_priv *priv) /* After the ALIVE response, we can send host commands to the uCode */ set_bit(STATUS_ALIVE, &priv->status); - /* Enable watchdog to monitor the driver tx queues */ - iwl_setup_watchdog(priv); - if (iwl_is_rfkill(priv)) return -ERFKILL; @@ -654,10 +773,10 @@ int iwl_alive_start(struct iwl_priv *priv) } /* download priority table before any calibration request */ - if (cfg(priv)->bt_params && - cfg(priv)->bt_params->advanced_bt_coexist) { + if (priv->cfg->bt_params && + priv->cfg->bt_params->advanced_bt_coexist) { /* Configure Bluetooth device coexistence support */ - if (cfg(priv)->bt_params->bt_sco_disable) + if (priv->cfg->bt_params->bt_sco_disable) priv->bt_enable_pspoll = false; else priv->bt_enable_pspoll = true; @@ -694,10 +813,8 @@ int iwl_alive_start(struct iwl_priv *priv) ieee80211_wake_queues(priv->hw); - priv->active_rate = IWL_RATES_MASK; - /* Configure Tx antenna selection based on H/W config */ - iwlagn_send_tx_ant_config(priv, hw_params(priv).valid_tx_ant); + iwlagn_send_tx_ant_config(priv, priv->hw_params.valid_tx_ant); if (iwl_is_associated_ctx(ctx) && !priv->wowlan) { struct iwl_rxon_cmd *active_rxon = @@ -788,10 +905,6 @@ void iwl_down(struct iwl_priv *priv) exit_pending = test_and_set_bit(STATUS_EXIT_PENDING, &priv->status); - /* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set - * to prevent rearm timer */ - del_timer_sync(&priv->watchdog); - iwl_clear_ucode_stations(priv, NULL); iwl_dealloc_bcast_stations(priv); iwl_clear_driver_stations(priv); @@ -800,9 +913,9 @@ void iwl_down(struct iwl_priv *priv) priv->bt_status = 0; priv->cur_rssi_ctx = NULL; priv->bt_is_sco = 0; - if (cfg(priv)->bt_params) + if (priv->cfg->bt_params) priv->bt_traffic_load = - cfg(priv)->bt_params->bt_init_traffic_load; + priv->cfg->bt_params->bt_init_traffic_load; else priv->bt_traffic_load = 0; priv->bt_full_concurrent = false; @@ -817,18 +930,17 @@ void iwl_down(struct iwl_priv *priv) ieee80211_stop_queues(priv->hw); priv->ucode_loaded = false; - iwl_trans_stop_device(trans(priv)); + iwl_trans_stop_device(priv->trans); /* Clear out all status bits but a few that are stable across reset */ priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << STATUS_RF_KILL_HW | test_bit(STATUS_GEO_CONFIGURED, &priv->status) << STATUS_GEO_CONFIGURED | + test_bit(STATUS_FW_ERROR, &priv->status) << + STATUS_FW_ERROR | test_bit(STATUS_EXIT_PENDING, &priv->status) << STATUS_EXIT_PENDING; - priv->shrd->status &= - test_bit(STATUS_FW_ERROR, &priv->shrd->status) << - STATUS_FW_ERROR; dev_kfree_skb(priv->beacon_skb); priv->beacon_skb = NULL; @@ -868,6 +980,7 @@ void iwlagn_prepare_restart(struct iwl_priv *priv) u8 bt_load; u8 bt_status; bool bt_is_sco; + int i; lockdep_assert_held(&priv->mutex); @@ -895,6 +1008,15 @@ void iwlagn_prepare_restart(struct iwl_priv *priv) priv->bt_traffic_load = bt_load; priv->bt_status = bt_status; priv->bt_is_sco = bt_is_sco; + + /* reset aggregation queues */ + for (i = IWLAGN_FIRST_AMPDU_QUEUE; i < IWL_MAX_HW_QUEUES; i++) + priv->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE; + /* and stop counts */ + for (i = 0; i < IWL_MAX_HW_QUEUES; i++) + atomic_set(&priv->queue_stop_count[i], 0); + + memset(priv->agg_q_alloc, 0, sizeof(priv->agg_q_alloc)); } static void iwl_bg_restart(struct work_struct *data) @@ -904,7 +1026,7 @@ static void iwl_bg_restart(struct work_struct *data) if (test_bit(STATUS_EXIT_PENDING, &priv->status)) return; - if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) { + if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) { mutex_lock(&priv->mutex); iwlagn_prepare_restart(priv); mutex_unlock(&priv->mutex); @@ -956,7 +1078,7 @@ static void iwlagn_disable_roc_work(struct work_struct *work) * *****************************************************************************/ -static void iwl_setup_deferred_work(struct iwl_priv *priv) +void iwl_setup_deferred_work(struct iwl_priv *priv) { priv->workqueue = create_singlethread_workqueue(DRV_NAME); @@ -971,7 +1093,7 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) iwl_setup_scan_deferred_work(priv); - if (cfg(priv)->bt_params) + if (priv->cfg->bt_params) iwlagn_bt_setup_deferred_work(priv); init_timer(&priv->statistics_periodic); @@ -981,15 +1103,11 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv) init_timer(&priv->ucode_trace); priv->ucode_trace.data = (unsigned long)priv; priv->ucode_trace.function = iwl_bg_ucode_trace; - - init_timer(&priv->watchdog); - priv->watchdog.data = (unsigned long)priv; - priv->watchdog.function = iwl_bg_watchdog; } void iwl_cancel_deferred_work(struct iwl_priv *priv) { - if (cfg(priv)->bt_params) + if (priv->cfg->bt_params) iwlagn_bt_cancel_deferred_work(priv); cancel_work_sync(&priv->run_time_calib_work); @@ -1025,7 +1143,193 @@ static void iwl_init_hw_rates(struct ieee80211_rate *rates) } } -static int iwl_init_drv(struct iwl_priv *priv) +#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ +#define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ +static void iwl_init_ht_hw_capab(const struct iwl_priv *priv, + struct ieee80211_sta_ht_cap *ht_info, + enum ieee80211_band band) +{ + u16 max_bit_rate = 0; + u8 rx_chains_num = priv->hw_params.rx_chains_num; + u8 tx_chains_num = priv->hw_params.tx_chains_num; + + ht_info->cap = 0; + memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); + + ht_info->ht_supported = true; + + if (priv->cfg->ht_params && + priv->cfg->ht_params->ht_greenfield_support) + ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; + ht_info->cap |= IEEE80211_HT_CAP_SGI_20; + max_bit_rate = MAX_BIT_RATE_20_MHZ; + if (priv->hw_params.ht40_channel & BIT(band)) { + ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; + ht_info->cap |= IEEE80211_HT_CAP_SGI_40; + ht_info->mcs.rx_mask[4] = 0x01; + max_bit_rate = MAX_BIT_RATE_40_MHZ; + } + + if (iwlwifi_mod_params.amsdu_size_8K) + ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; + + ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF; + ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF; + + ht_info->mcs.rx_mask[0] = 0xFF; + if (rx_chains_num >= 2) + ht_info->mcs.rx_mask[1] = 0xFF; + if (rx_chains_num >= 3) + ht_info->mcs.rx_mask[2] = 0xFF; + + /* Highest supported Rx data rate */ + max_bit_rate *= rx_chains_num; + WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK); + ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate); + + /* Tx MCS capabilities */ + ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; + if (tx_chains_num != rx_chains_num) { + ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF; + ht_info->mcs.tx_params |= ((tx_chains_num - 1) << + IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT); + } +} + +/** + * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom + */ +static int iwl_init_geos(struct iwl_priv *priv) +{ + struct iwl_channel_info *ch; + struct ieee80211_supported_band *sband; + struct ieee80211_channel *channels; + struct ieee80211_channel *geo_ch; + struct ieee80211_rate *rates; + int i = 0; + s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN; + + if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates || + priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) { + IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n"); + set_bit(STATUS_GEO_CONFIGURED, &priv->status); + return 0; + } + + channels = kcalloc(priv->channel_count, + sizeof(struct ieee80211_channel), GFP_KERNEL); + if (!channels) + return -ENOMEM; + + rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate), + GFP_KERNEL); + if (!rates) { + kfree(channels); + return -ENOMEM; + } + + /* 5.2GHz channels start after the 2.4GHz channels */ + sband = &priv->bands[IEEE80211_BAND_5GHZ]; + sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)]; + /* just OFDM */ + sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; + sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE; + + if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE) + iwl_init_ht_hw_capab(priv, &sband->ht_cap, + IEEE80211_BAND_5GHZ); + + sband = &priv->bands[IEEE80211_BAND_2GHZ]; + sband->channels = channels; + /* OFDM & CCK */ + sband->bitrates = rates; + sband->n_bitrates = IWL_RATE_COUNT_LEGACY; + + if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE) + iwl_init_ht_hw_capab(priv, &sband->ht_cap, + IEEE80211_BAND_2GHZ); + + priv->ieee_channels = channels; + priv->ieee_rates = rates; + + for (i = 0; i < priv->channel_count; i++) { + ch = &priv->channel_info[i]; + + /* FIXME: might be removed if scan is OK */ + if (!is_channel_valid(ch)) + continue; + + sband = &priv->bands[ch->band]; + + geo_ch = &sband->channels[sband->n_channels++]; + + geo_ch->center_freq = + ieee80211_channel_to_frequency(ch->channel, ch->band); + geo_ch->max_power = ch->max_power_avg; + geo_ch->max_antenna_gain = 0xff; + geo_ch->hw_value = ch->channel; + + if (is_channel_valid(ch)) { + if (!(ch->flags & EEPROM_CHANNEL_IBSS)) + geo_ch->flags |= IEEE80211_CHAN_NO_IBSS; + + if (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) + geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN; + + if (ch->flags & EEPROM_CHANNEL_RADAR) + geo_ch->flags |= IEEE80211_CHAN_RADAR; + + geo_ch->flags |= ch->ht40_extension_channel; + + if (ch->max_power_avg > max_tx_power) + max_tx_power = ch->max_power_avg; + } else { + geo_ch->flags |= IEEE80211_CHAN_DISABLED; + } + + IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n", + ch->channel, geo_ch->center_freq, + is_channel_a_band(ch) ? "5.2" : "2.4", + geo_ch->flags & IEEE80211_CHAN_DISABLED ? + "restricted" : "valid", + geo_ch->flags); + } + + priv->tx_power_device_lmt = max_tx_power; + priv->tx_power_user_lmt = max_tx_power; + priv->tx_power_next = max_tx_power; + + if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && + priv->hw_params.sku & EEPROM_SKU_CAP_BAND_52GHZ) { + IWL_INFO(priv, "Incorrectly detected BG card as ABG. " + "Please send your %s to maintainer.\n", + priv->trans->hw_id_str); + priv->hw_params.sku &= ~EEPROM_SKU_CAP_BAND_52GHZ; + } + + if (iwlwifi_mod_params.disable_5ghz) + priv->bands[IEEE80211_BAND_5GHZ].n_channels = 0; + + IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n", + priv->bands[IEEE80211_BAND_2GHZ].n_channels, + priv->bands[IEEE80211_BAND_5GHZ].n_channels); + + set_bit(STATUS_GEO_CONFIGURED, &priv->status); + + return 0; +} + +/* + * iwl_free_geos - undo allocations in iwl_init_geos + */ +static void iwl_free_geos(struct iwl_priv *priv) +{ + kfree(priv->ieee_channels); + kfree(priv->ieee_rates); + clear_bit(STATUS_GEO_CONFIGURED, &priv->status); +} + +int iwl_init_drv(struct iwl_priv *priv) { int ret; @@ -1040,7 +1344,7 @@ static int iwl_init_drv(struct iwl_priv *priv) priv->band = IEEE80211_BAND_2GHZ; priv->plcp_delta_threshold = - cfg(priv)->base_params->plcp_delta_threshold; + priv->cfg->base_params->plcp_delta_threshold; priv->iw_mode = NL80211_IFTYPE_STATION; priv->current_ht_config.smps = IEEE80211_SMPS_STATIC; @@ -1049,12 +1353,6 @@ static int iwl_init_drv(struct iwl_priv *priv) priv->ucode_owner = IWL_OWNERSHIP_DRIVER; - /* initialize force reset */ - priv->force_reset[IWL_RF_RESET].reset_duration = - IWL_DELAY_NEXT_FORCE_RF_RESET; - priv->force_reset[IWL_FW_RESET].reset_duration = - IWL_DELAY_NEXT_FORCE_FW_RELOAD; - priv->rx_statistics_jiffies = jiffies; /* Choose which receivers/antennas to use */ @@ -1063,8 +1361,8 @@ static int iwl_init_drv(struct iwl_priv *priv) iwl_init_scan_params(priv); /* init bt coex */ - if (cfg(priv)->bt_params && - cfg(priv)->bt_params->advanced_bt_coexist) { + if (priv->cfg->bt_params && + priv->cfg->bt_params->advanced_bt_coexist) { priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT; priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT; priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK; @@ -1094,7 +1392,7 @@ err: return ret; } -static void iwl_uninit_drv(struct iwl_priv *priv) +void iwl_uninit_drv(struct iwl_priv *priv) { iwl_free_geos(priv); iwl_free_channel_map(priv); @@ -1107,75 +1405,59 @@ static void iwl_uninit_drv(struct iwl_priv *priv) #endif } -/* Size of one Rx buffer in host DRAM */ -#define IWL_RX_BUF_SIZE_4K (4 * 1024) -#define IWL_RX_BUF_SIZE_8K (8 * 1024) - -static void iwl_set_hw_params(struct iwl_priv *priv) +void iwl_set_hw_params(struct iwl_priv *priv) { - if (cfg(priv)->ht_params) - hw_params(priv).use_rts_for_aggregation = - cfg(priv)->ht_params->use_rts_for_aggregation; - - if (iwlagn_mod_params.amsdu_size_8K) - hw_params(priv).rx_page_order = - get_order(IWL_RX_BUF_SIZE_8K); - else - hw_params(priv).rx_page_order = - get_order(IWL_RX_BUF_SIZE_4K); - - if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL) - hw_params(priv).sku &= ~EEPROM_SKU_CAP_11N_ENABLE; + if (priv->cfg->ht_params) + priv->hw_params.use_rts_for_aggregation = + priv->cfg->ht_params->use_rts_for_aggregation; - hw_params(priv).num_ampdu_queues = - cfg(priv)->base_params->num_of_ampdu_queues; - hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout; + if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL) + priv->hw_params.sku &= ~EEPROM_SKU_CAP_11N_ENABLE; /* Device-specific setup */ - cfg(priv)->lib->set_hw_params(priv); + priv->lib->set_hw_params(priv); } -static void iwl_debug_config(struct iwl_priv *priv) +/* show what optional capabilities we have */ +void iwl_option_config(struct iwl_priv *priv) { - dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUG " #ifdef CONFIG_IWLWIFI_DEBUG - "enabled\n"); + IWL_INFO(priv, "CONFIG_IWLWIFI_DEBUG enabled\n"); #else - "disabled\n"); + IWL_INFO(priv, "CONFIG_IWLWIFI_DEBUG disabled\n"); #endif - dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS " + #ifdef CONFIG_IWLWIFI_DEBUGFS - "enabled\n"); + IWL_INFO(priv, "CONFIG_IWLWIFI_DEBUGFS enabled\n"); #else - "disabled\n"); + IWL_INFO(priv, "CONFIG_IWLWIFI_DEBUGFS disabled\n"); #endif - dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING " + #ifdef CONFIG_IWLWIFI_DEVICE_TRACING - "enabled\n"); + IWL_INFO(priv, "CONFIG_IWLWIFI_DEVICE_TRACING enabled\n"); #else - "disabled\n"); + IWL_INFO(priv, "CONFIG_IWLWIFI_DEVICE_TRACING disabled\n"); #endif - dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE " #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE - "enabled\n"); + IWL_INFO(priv, "CONFIG_IWLWIFI_DEVICE_TESTMODE enabled\n"); #else - "disabled\n"); + IWL_INFO(priv, "CONFIG_IWLWIFI_DEVICE_TESTMODE disabled\n"); #endif - dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_P2P " + #ifdef CONFIG_IWLWIFI_P2P - "enabled\n"); + IWL_INFO(priv, "CONFIG_IWLWIFI_P2P enabled\n"); #else - "disabled\n"); + IWL_INFO(priv, "CONFIG_IWLWIFI_P2P disabled\n"); #endif } static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, + const struct iwl_cfg *cfg, const struct iwl_fw *fw) { - int err = 0; struct iwl_priv *priv; struct ieee80211_hw *hw; struct iwl_op_mode *op_mode; @@ -1190,25 +1472,60 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, STATISTICS_NOTIFICATION, REPLY_TX, }; + int i; /************************ * 1. Allocating HW data ************************/ hw = iwl_alloc_all(); if (!hw) { - pr_err("%s: Cannot allocate network device\n", - cfg(trans)->name); - err = -ENOMEM; + pr_err("%s: Cannot allocate network device\n", cfg->name); goto out; } op_mode = hw->priv; op_mode->ops = &iwl_dvm_ops; priv = IWL_OP_MODE_GET_DVM(op_mode); - priv->shrd = trans->shrd; + priv->trans = trans; + priv->dev = trans->dev; + priv->cfg = cfg; priv->fw = fw; - /* TODO: remove fw from shared data later */ - priv->shrd->fw = fw; + + switch (priv->cfg->device_family) { + case IWL_DEVICE_FAMILY_1000: + case IWL_DEVICE_FAMILY_100: + priv->lib = &iwl1000_lib; + break; + case IWL_DEVICE_FAMILY_2000: + case IWL_DEVICE_FAMILY_105: + priv->lib = &iwl2000_lib; + break; + case IWL_DEVICE_FAMILY_2030: + case IWL_DEVICE_FAMILY_135: + priv->lib = &iwl2030_lib; + break; + case IWL_DEVICE_FAMILY_5000: + priv->lib = &iwl5000_lib; + break; + case IWL_DEVICE_FAMILY_5150: + priv->lib = &iwl5150_lib; + break; + case IWL_DEVICE_FAMILY_6000: + case IWL_DEVICE_FAMILY_6005: + case IWL_DEVICE_FAMILY_6000i: + case IWL_DEVICE_FAMILY_6050: + case IWL_DEVICE_FAMILY_6150: + priv->lib = &iwl6000_lib; + break; + case IWL_DEVICE_FAMILY_6030: + priv->lib = &iwl6030_lib; + break; + default: + break; + } + + if (WARN_ON(!priv->lib)) + goto out_free_hw; /* * Populate the state variables that the transport layer needs @@ -1217,87 +1534,90 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, trans_cfg.op_mode = op_mode; trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); + trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K; + if (!iwlwifi_mod_params.wd_disable) + trans_cfg.queue_watchdog_timeout = + priv->cfg->base_params->wd_timeout; + else + trans_cfg.queue_watchdog_timeout = IWL_WATCHHDOG_DISABLED; + trans_cfg.command_names = iwl_dvm_cmd_strings; ucode_flags = fw->ucode_capa.flags; #ifndef CONFIG_IWLWIFI_P2P - ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; + ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; #endif if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) { priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; + trans_cfg.queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo; + trans_cfg.n_queue_to_fifo = + ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo); } else { priv->sta_key_max_num = STA_KEY_MAX_NUM; trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; + trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; + trans_cfg.n_queue_to_fifo = + ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); } /* Configure transport layer */ - iwl_trans_configure(trans(priv), &trans_cfg); + iwl_trans_configure(priv->trans, &trans_cfg); /* At this point both hw and priv are allocated. */ - SET_IEEE80211_DEV(priv->hw, trans(priv)->dev); + SET_IEEE80211_DEV(priv->hw, priv->trans->dev); - /* show what debugging capabilities we have */ - iwl_debug_config(priv); + iwl_option_config(priv); IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n"); /* is antenna coupling more than 35dB ? */ priv->bt_ant_couple_ok = - (iwlagn_mod_params.ant_coupling > + (iwlwifi_mod_params.ant_coupling > IWL_BT_ANTENNA_COUPLING_THRESHOLD) ? true : false; /* enable/disable bt channel inhibition */ - priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce; + priv->bt_ch_announce = iwlwifi_mod_params.bt_ch_announce; IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n", (priv->bt_ch_announce) ? "On" : "Off"); - if (iwl_alloc_traffic_mem(priv)) - IWL_ERR(priv, "Not enough memory to generate traffic log\n"); - /* these spin locks will be used in apm_ops.init and EEPROM access * we should init now */ - spin_lock_init(&trans(priv)->reg_lock); spin_lock_init(&priv->statistics.lock); /*********************** * 2. Read REV register ***********************/ IWL_INFO(priv, "Detected %s, REV=0x%X\n", - cfg(priv)->name, trans(priv)->hw_rev); + priv->cfg->name, priv->trans->hw_rev); - err = iwl_trans_start_hw(trans(priv)); - if (err) - goto out_free_traffic_mem; + if (iwl_trans_start_hw(priv->trans)) + goto out_free_hw; - /***************** - * 3. Read EEPROM - *****************/ - err = iwl_eeprom_init(trans(priv), trans(priv)->hw_rev); - /* Reset chip to save power until we load uCode during "up". */ - iwl_trans_stop_hw(trans(priv)); - if (err) { + /* Read the EEPROM */ + if (iwl_eeprom_init(priv, priv->trans->hw_rev)) { IWL_ERR(priv, "Unable to init EEPROM\n"); - goto out_free_traffic_mem; + goto out_free_hw; } - err = iwl_eeprom_check_version(priv); - if (err) + /* Reset chip to save power until we load uCode during "up". */ + iwl_trans_stop_hw(priv->trans, false); + + if (iwl_eeprom_check_version(priv)) goto out_free_eeprom; - err = iwl_eeprom_init_hw_params(priv); - if (err) + if (iwl_eeprom_init_hw_params(priv)) goto out_free_eeprom; /* extract MAC Address */ - iwl_eeprom_get_mac(priv->shrd, priv->addresses[0].addr); + iwl_eeprom_get_mac(priv, priv->addresses[0].addr); IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr); priv->hw->wiphy->addresses = priv->addresses; priv->hw->wiphy->n_addresses = 1; - num_mac = iwl_eeprom_query16(priv->shrd, EEPROM_NUM_MAC_ADDRESS); + num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS); if (num_mac > 1) { memcpy(priv->addresses[1].addr, priv->addresses[0].addr, ETH_ALEN); @@ -1310,7 +1630,7 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, ************************/ iwl_set_hw_params(priv); - if (!(hw_params(priv).sku & EEPROM_SKU_CAP_IPAN_ENABLE)) { + if (!(priv->hw_params.sku & EEPROM_SKU_CAP_IPAN_ENABLE)) { IWL_DEBUG_INFO(priv, "Your EEPROM disabled PAN"); ucode_flags &= ~IWL_UCODE_TLV_FLAGS_PAN; /* @@ -1320,18 +1640,32 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; priv->sta_key_max_num = STA_KEY_MAX_NUM; trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; + trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; + trans_cfg.n_queue_to_fifo = + ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); /* Configure transport layer again*/ - iwl_trans_configure(trans(priv), &trans_cfg); + iwl_trans_configure(priv->trans, &trans_cfg); } /******************* * 5. Setup priv *******************/ + for (i = 0; i < IWL_MAX_HW_QUEUES; i++) { + priv->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE; + if (i < IWLAGN_FIRST_AMPDU_QUEUE && + i != IWL_DEFAULT_CMD_QUEUE_NUM && + i != IWL_IPAN_CMD_QUEUE_NUM) + priv->queue_to_mac80211[i] = i; + atomic_set(&priv->queue_stop_count[i], 0); + } + + WARN_ON(trans_cfg.queue_to_fifo[trans_cfg.cmd_queue] != + IWLAGN_CMD_FIFO_NUM); - err = iwl_init_drv(priv); - if (err) + if (iwl_init_drv(priv)) goto out_free_eeprom; + /* At this point both hw and priv are initialized. */ /******************** @@ -1364,15 +1698,12 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, * * 7. Setup and register with mac80211 and debugfs **************************************************/ - err = iwlagn_mac_setup_register(priv, &fw->ucode_capa); - if (err) + if (iwlagn_mac_setup_register(priv, &fw->ucode_capa)) goto out_destroy_workqueue; - err = iwl_dbgfs_register(priv, DRV_NAME); - if (err) + if (iwl_dbgfs_register(priv, DRV_NAME)) IWL_ERR(priv, - "failed to create debugfs files. Ignoring error: %d\n", - err); + "failed to create debugfs files. Ignoring error\n"); return op_mode; @@ -1381,16 +1712,15 @@ out_destroy_workqueue: priv->workqueue = NULL; iwl_uninit_drv(priv); out_free_eeprom: - iwl_eeprom_free(priv->shrd); -out_free_traffic_mem: - iwl_free_traffic_mem(priv); + iwl_eeprom_free(priv); +out_free_hw: ieee80211_free_hw(priv->hw); out: op_mode = NULL; return op_mode; } -static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode) +void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode) { struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); @@ -1405,9 +1735,9 @@ static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode) /*This will stop the queues, move the device to low power state */ priv->ucode_loaded = false; - iwl_trans_stop_device(trans(priv)); + iwl_trans_stop_device(priv->trans); - iwl_eeprom_free(priv->shrd); + iwl_eeprom_free(priv); /*netif_stop_queue(dev); */ flush_workqueue(priv->workqueue); @@ -1417,69 +1747,562 @@ static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode) * until now... */ destroy_workqueue(priv->workqueue); priv->workqueue = NULL; - iwl_free_traffic_mem(priv); iwl_uninit_drv(priv); dev_kfree_skb(priv->beacon_skb); + iwl_trans_stop_hw(priv->trans, true); ieee80211_free_hw(priv->hw); } -static void iwl_cmd_queue_full(struct iwl_op_mode *op_mode) +static const char * const desc_lookup_text[] = { + "OK", + "FAIL", + "BAD_PARAM", + "BAD_CHECKSUM", + "NMI_INTERRUPT_WDG", + "SYSASSERT", + "FATAL_ERROR", + "BAD_COMMAND", + "HW_ERROR_TUNE_LOCK", + "HW_ERROR_TEMPERATURE", + "ILLEGAL_CHAN_FREQ", + "VCC_NOT_STABLE", + "FH_ERROR", + "NMI_INTERRUPT_HOST", + "NMI_INTERRUPT_ACTION_PT", + "NMI_INTERRUPT_UNKNOWN", + "UCODE_VERSION_MISMATCH", + "HW_ERROR_ABS_LOCK", + "HW_ERROR_CAL_LOCK_FAIL", + "NMI_INTERRUPT_INST_ACTION_PT", + "NMI_INTERRUPT_DATA_ACTION_PT", + "NMI_TRM_HW_ER", + "NMI_INTERRUPT_TRM", + "NMI_INTERRUPT_BREAK_POINT", + "DEBUG_0", + "DEBUG_1", + "DEBUG_2", + "DEBUG_3", +}; + +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 i; + int max = ARRAY_SIZE(desc_lookup_text); + + if (num < max) + return desc_lookup_text[num]; + + 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)) +#define ERROR_ELEM_SIZE (7 * sizeof(u32)) + +static void iwl_dump_nic_error_log(struct iwl_priv *priv) +{ + struct iwl_trans *trans = priv->trans; + u32 base; + struct iwl_error_event_table table; + + base = priv->device_pointers.error_event_table; + if (priv->cur_ucode == IWL_UCODE_INIT) { + if (!base) + base = priv->fw->init_errlog_ptr; + } else { + if (!base) + base = priv->fw->inst_errlog_ptr; + } + + if (!iwlagn_hw_valid_rtc_data_addr(base)) { + IWL_ERR(priv, + "Not valid error log pointer 0x%08X for %s uCode\n", + base, + (priv->cur_ucode == IWL_UCODE_INIT) + ? "Init" : "RT"); + return; + } + + /*TODO: Update dbgfs with ISR error stats obtained below */ + iwl_read_targ_mem_words(trans, base, &table, sizeof(table)); + + if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) { + IWL_ERR(trans, "Start IWL Error Log Dump:\n"); + IWL_ERR(trans, "Status: 0x%08lX, count: %d\n", + priv->status, table.valid); + } + + trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, + table.data1, table.data2, table.line, + table.blink1, table.blink2, table.ilink1, + table.ilink2, table.bcon_time, table.gp1, + table.gp2, table.gp3, table.ucode_ver, + table.hw_ver, table.brd_ver); + IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id, + desc_lookup(table.error_id)); + IWL_ERR(priv, "0x%08X | uPc\n", table.pc); + IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1); + IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2); + IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1); + IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2); + IWL_ERR(priv, "0x%08X | data1\n", table.data1); + IWL_ERR(priv, "0x%08X | data2\n", table.data2); + IWL_ERR(priv, "0x%08X | line\n", table.line); + IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time); + IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low); + IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi); + IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1); + IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2); + IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3); + IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver); + IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver); + IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver); + IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd); + IWL_ERR(priv, "0x%08X | isr0\n", table.isr0); + IWL_ERR(priv, "0x%08X | isr1\n", table.isr1); + IWL_ERR(priv, "0x%08X | isr2\n", table.isr2); + IWL_ERR(priv, "0x%08X | isr3\n", table.isr3); + IWL_ERR(priv, "0x%08X | isr4\n", table.isr4); + IWL_ERR(priv, "0x%08X | isr_pref\n", table.isr_pref); + IWL_ERR(priv, "0x%08X | wait_event\n", table.wait_event); + IWL_ERR(priv, "0x%08X | l2p_control\n", table.l2p_control); + IWL_ERR(priv, "0x%08X | l2p_duration\n", table.l2p_duration); + IWL_ERR(priv, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid); + IWL_ERR(priv, "0x%08X | l2p_addr_match\n", table.l2p_addr_match); + IWL_ERR(priv, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel); + IWL_ERR(priv, "0x%08X | timestamp\n", table.u_timestamp); + IWL_ERR(priv, "0x%08X | flow_handler\n", table.flow_handler); +} + +#define EVENT_START_OFFSET (4 * sizeof(u32)) + +/** + * iwl_print_event_log - Dump error event log to syslog + * + */ +static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, + u32 num_events, u32 mode, + int pos, char **buf, size_t bufsz) +{ + u32 i; + u32 base; /* SRAM byte address of event log header */ + u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ + u32 ptr; /* SRAM byte address of log data */ + u32 ev, time, data; /* event log data */ + unsigned long reg_flags; + + struct iwl_trans *trans = priv->trans; + + if (num_events == 0) + return pos; + + base = priv->device_pointers.log_event_table; + if (priv->cur_ucode == IWL_UCODE_INIT) { + if (!base) + base = priv->fw->init_evtlog_ptr; + } else { + if (!base) + base = priv->fw->inst_evtlog_ptr; + } + + if (mode == 0) + event_size = 2 * sizeof(u32); + else + event_size = 3 * sizeof(u32); + + ptr = base + EVENT_START_OFFSET + (start_idx * event_size); + + /* Make sure device is powered up for SRAM reads */ + spin_lock_irqsave(&trans->reg_lock, reg_flags); + if (unlikely(!iwl_grab_nic_access(trans))) + goto out_unlock; + + /* Set starting address; reads will auto-increment */ + iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr); + + /* "time" is actually "data" for mode 0 (no timestamp). + * place event id # at far right for easier visual parsing. */ + for (i = 0; i < num_events; i++) { + ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT); + time = iwl_read32(trans, HBUS_TARG_MEM_RDAT); + if (mode == 0) { + /* data, ev */ + if (bufsz) { + pos += scnprintf(*buf + pos, bufsz - pos, + "EVT_LOG:0x%08x:%04u\n", + time, ev); + } else { + trace_iwlwifi_dev_ucode_event(trans->dev, 0, + time, ev); + IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", + time, ev); + } + } else { + data = iwl_read32(trans, HBUS_TARG_MEM_RDAT); + if (bufsz) { + pos += scnprintf(*buf + pos, bufsz - pos, + "EVT_LOGT:%010u:0x%08x:%04u\n", + time, data, ev); + } else { + IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", + time, data, ev); + trace_iwlwifi_dev_ucode_event(trans->dev, time, + data, ev); + } + } + } + + /* Allow device to power down */ + iwl_release_nic_access(trans); +out_unlock: + spin_unlock_irqrestore(&trans->reg_lock, reg_flags); + return pos; +} + +/** + * iwl_print_last_event_logs - Dump the newest # of event log to syslog + */ +static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity, + u32 num_wraps, u32 next_entry, + u32 size, u32 mode, + int pos, char **buf, size_t bufsz) +{ + /* + * display the newest DEFAULT_LOG_ENTRIES entries + * i.e the entries just before the next ont that uCode would fill. + */ + if (num_wraps) { + if (next_entry < size) { + pos = iwl_print_event_log(priv, + capacity - (size - next_entry), + size - next_entry, mode, + pos, buf, bufsz); + pos = iwl_print_event_log(priv, 0, + next_entry, mode, + pos, buf, bufsz); + } else + pos = iwl_print_event_log(priv, next_entry - size, + size, mode, pos, buf, bufsz); + } else { + if (next_entry < size) { + pos = iwl_print_event_log(priv, 0, next_entry, + mode, pos, buf, bufsz); + } else { + pos = iwl_print_event_log(priv, next_entry - size, + size, mode, pos, buf, bufsz); + } + } + return pos; +} + +#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) + +int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log, + char **buf, bool display) +{ + u32 base; /* SRAM byte address of event log header */ + u32 capacity; /* event log capacity in # entries */ + u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ + u32 num_wraps; /* # times uCode wrapped to top of log */ + u32 next_entry; /* index of next entry to be written by uCode */ + u32 size; /* # entries that we'll print */ + u32 logsize; + int pos = 0; + size_t bufsz = 0; + struct iwl_trans *trans = priv->trans; + + base = priv->device_pointers.log_event_table; + if (priv->cur_ucode == IWL_UCODE_INIT) { + logsize = priv->fw->init_evtlog_size; + if (!base) + base = priv->fw->init_evtlog_ptr; + } else { + logsize = priv->fw->inst_evtlog_size; + if (!base) + base = priv->fw->inst_evtlog_ptr; + } + + if (!iwlagn_hw_valid_rtc_data_addr(base)) { + IWL_ERR(priv, + "Invalid event log pointer 0x%08X for %s uCode\n", + base, + (priv->cur_ucode == IWL_UCODE_INIT) + ? "Init" : "RT"); + return -EINVAL; + } + + /* event log header */ + capacity = iwl_read_targ_mem(trans, base); + mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32))); + num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32))); + next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32))); + + if (capacity > logsize) { + IWL_ERR(priv, "Log capacity %d is bogus, limit to %d " + "entries\n", capacity, logsize); + capacity = logsize; + } + + if (next_entry > logsize) { + IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", + next_entry, logsize); + next_entry = logsize; + } + + size = num_wraps ? capacity : next_entry; + + /* bail out if nothing in log */ + if (size == 0) { + IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n"); + return pos; + } + +#ifdef CONFIG_IWLWIFI_DEBUG + if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log) + size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) + ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; +#else + size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) + ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; +#endif + IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n", + size); + +#ifdef CONFIG_IWLWIFI_DEBUG + if (display) { + if (full_log) + bufsz = capacity * 48; + else + bufsz = size * 48; + *buf = kmalloc(bufsz, GFP_KERNEL); + if (!*buf) + return -ENOMEM; + } + if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) { + /* + * if uCode has wrapped back to top of log, + * start at the oldest entry, + * i.e the next one that uCode would fill. + */ + if (num_wraps) + pos = iwl_print_event_log(priv, next_entry, + capacity - next_entry, mode, + pos, buf, bufsz); + /* (then/else) start at top of log */ + pos = iwl_print_event_log(priv, 0, + next_entry, mode, pos, buf, bufsz); + } else + pos = iwl_print_last_event_logs(priv, capacity, num_wraps, + next_entry, size, mode, + pos, buf, bufsz); +#else + pos = iwl_print_last_event_logs(priv, capacity, num_wraps, + next_entry, size, mode, + pos, buf, bufsz); +#endif + return pos; +} + +static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) +{ + unsigned int reload_msec; + unsigned long reload_jiffies; + +#ifdef CONFIG_IWLWIFI_DEBUG + if (iwl_have_debug_level(IWL_DL_FW_ERRORS)) + iwl_print_rx_config_cmd(priv, IWL_RXON_CTX_BSS); +#endif + + /* uCode is no longer loaded. */ + priv->ucode_loaded = false; + + /* Set the FW error flag -- cleared on iwl_down */ + set_bit(STATUS_FW_ERROR, &priv->status); + + iwl_abort_notification_waits(&priv->notif_wait); + + /* Keep the restart process from trying to send host + * commands by clearing the ready bit */ + clear_bit(STATUS_READY, &priv->status); + + wake_up(&priv->trans->wait_command_queue); + + if (!ondemand) { + /* + * If firmware keep reloading, then it indicate something + * serious wrong and firmware having problem to recover + * from it. Instead of keep trying which will fill the syslog + * and hang the system, let's just stop it + */ + reload_jiffies = jiffies; + reload_msec = jiffies_to_msecs((long) reload_jiffies - + (long) priv->reload_jiffies); + priv->reload_jiffies = reload_jiffies; + if (reload_msec <= IWL_MIN_RELOAD_DURATION) { + priv->reload_count++; + if (priv->reload_count >= IWL_MAX_CONTINUE_RELOAD_CNT) { + IWL_ERR(priv, "BUG_ON, Stop restarting\n"); + return; + } + } else + priv->reload_count = 0; + } + + if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) { + if (iwlwifi_mod_params.restart_fw) { + IWL_DEBUG_FW_ERRORS(priv, + "Restarting adapter due to uCode error.\n"); + queue_work(priv->workqueue, &priv->restart); + } else + IWL_DEBUG_FW_ERRORS(priv, + "Detected FW error, but not restarting\n"); + } +} + +void iwl_nic_error(struct iwl_op_mode *op_mode) +{ + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + + IWL_ERR(priv, "Loaded firmware version: %s\n", + priv->fw->fw_version); + + iwl_dump_nic_error_log(priv); + iwl_dump_nic_event_log(priv, false, NULL, false); + + iwlagn_fw_error(priv, false); +} + +void iwl_cmd_queue_full(struct iwl_op_mode *op_mode) { struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); if (!iwl_check_for_ct_kill(priv)) { IWL_ERR(priv, "Restarting adapter queue is full\n"); - iwl_nic_error(op_mode); + iwlagn_fw_error(priv, false); } } -static void iwl_nic_config(struct iwl_op_mode *op_mode) +void iwl_nic_config(struct iwl_op_mode *op_mode) { struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); - cfg(priv)->lib->nic_config(priv); + priv->lib->nic_config(priv); } -static void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac) +static void iwl_wimax_active(struct iwl_op_mode *op_mode) { struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); - set_bit(ac, &priv->transport_queue_stop); - ieee80211_stop_queue(priv->hw, ac); + clear_bit(STATUS_READY, &priv->status); + IWL_ERR(priv, "RF is used by WiMAX\n"); } -static void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, u8 ac) +void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) { struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + int mq = priv->queue_to_mac80211[queue]; + + if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE)) + return; - clear_bit(ac, &priv->transport_queue_stop); + if (atomic_inc_return(&priv->queue_stop_count[mq]) > 1) { + IWL_DEBUG_TX_QUEUES(priv, + "queue %d (mac80211 %d) already stopped\n", + queue, mq); + return; + } + + set_bit(mq, &priv->transport_queue_stop); + ieee80211_stop_queue(priv->hw, mq); +} + +void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, int queue) +{ + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + int mq = priv->queue_to_mac80211[queue]; + + if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE)) + return; + + if (atomic_dec_return(&priv->queue_stop_count[mq]) > 0) { + IWL_DEBUG_TX_QUEUES(priv, + "queue %d (mac80211 %d) already awake\n", + queue, mq); + return; + } + + clear_bit(mq, &priv->transport_queue_stop); if (!priv->passive_no_rx) - ieee80211_wake_queue(priv->hw, ac); + ieee80211_wake_queue(priv->hw, mq); } void iwlagn_lift_passive_no_rx(struct iwl_priv *priv) { - int ac; + int mq; if (!priv->passive_no_rx) return; - for (ac = IEEE80211_AC_VO; ac < IEEE80211_NUM_ACS; ac++) { - if (!test_bit(ac, &priv->transport_queue_stop)) { - IWL_DEBUG_TX_QUEUES(priv, "Wake queue %d"); - ieee80211_wake_queue(priv->hw, ac); + for (mq = 0; mq < IWLAGN_FIRST_AMPDU_QUEUE; mq++) { + if (!test_bit(mq, &priv->transport_queue_stop)) { + IWL_DEBUG_TX_QUEUES(priv, "Wake queue %d", mq); + ieee80211_wake_queue(priv->hw, mq); } else { - IWL_DEBUG_TX_QUEUES(priv, "Don't wake queue %d"); + IWL_DEBUG_TX_QUEUES(priv, "Don't wake queue %d", mq); } } priv->passive_no_rx = false; } +void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) +{ + struct ieee80211_tx_info *info; + + info = IEEE80211_SKB_CB(skb); + kmem_cache_free(iwl_tx_cmd_pool, (info->driver_data[1])); + dev_kfree_skb_any(skb); +} + +void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) +{ + struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); + + if (state) + set_bit(STATUS_RF_KILL_HW, &priv->status); + else + clear_bit(STATUS_RF_KILL_HW, &priv->status); + + wiphy_rfkill_set_hw_state(priv->hw->wiphy, state); +} + const struct iwl_op_mode_ops iwl_dvm_ops = { .start = iwl_op_mode_dvm_start, .stop = iwl_op_mode_dvm_stop, @@ -1491,6 +2314,7 @@ const struct iwl_op_mode_ops iwl_dvm_ops = { .nic_error = iwl_nic_error, .cmd_queue_full = iwl_cmd_queue_full, .nic_config = iwl_nic_config, + .wimax_active = iwl_wimax_active, }; /***************************************************************************** @@ -1541,96 +2365,3 @@ static void __exit iwl_exit(void) module_exit(iwl_exit); module_init(iwl_init); - -#ifdef CONFIG_IWLWIFI_DEBUG -module_param_named(debug, iwlagn_mod_params.debug_level, uint, - S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "debug output mask"); -#endif - -module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO); -MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); -module_param_named(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO); -MODULE_PARM_DESC(11n_disable, - "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX"); -module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K, - int, S_IRUGO); -MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); -module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO); -MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); - -module_param_named(ucode_alternative, - iwlagn_mod_params.wanted_ucode_alternative, - int, S_IRUGO); -MODULE_PARM_DESC(ucode_alternative, - "specify ucode alternative to use from ucode file"); - -module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling, - int, S_IRUGO); -MODULE_PARM_DESC(antenna_coupling, - "specify antenna coupling in dB (defualt: 0 dB)"); - -module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce, - bool, S_IRUGO); -MODULE_PARM_DESC(bt_ch_inhibition, - "Enable BT channel inhibition (default: enable)"); - -module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO); -MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); - -module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO); -MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])"); - -module_param_named(wd_disable, iwlagn_mod_params.wd_disable, int, S_IRUGO); -MODULE_PARM_DESC(wd_disable, - "Disable stuck queue watchdog timer 0=system default, " - "1=disable, 2=enable (default: 0)"); - -/* - * set bt_coex_active to true, uCode will do kill/defer - * every time the priority line is asserted (BT is sending signals on the - * priority line in the PCIx). - * set bt_coex_active to false, uCode will ignore the BT activity and - * perform the normal operation - * - * User might experience transmit issue on some platform due to WiFi/BT - * co-exist problem. The possible behaviors are: - * Able to scan and finding all the available AP - * Not able to associate with any AP - * On those platforms, WiFi communication can be restored by set - * "bt_coex_active" module parameter to "false" - * - * default: bt_coex_active = true (BT_COEX_ENABLE) - */ -module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active, - bool, S_IRUGO); -MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); - -module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); -MODULE_PARM_DESC(led_mode, "0=system default, " - "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); - -module_param_named(power_save, iwlagn_mod_params.power_save, - bool, S_IRUGO); -MODULE_PARM_DESC(power_save, - "enable WiFi power management (default: disable)"); - -module_param_named(power_level, iwlagn_mod_params.power_level, - int, S_IRUGO); -MODULE_PARM_DESC(power_level, - "default power save level (range from 1 - 5, default: 1)"); - -module_param_named(auto_agg, iwlagn_mod_params.auto_agg, - bool, S_IRUGO); -MODULE_PARM_DESC(auto_agg, - "enable agg w/o check traffic load (default: enable)"); - -/* - * For now, keep using power level 1 instead of automatically - * adjusting ... - */ -module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust, - bool, S_IRUGO); -MODULE_PARM_DESC(no_sleep_autoadjust, - "don't automatically adjust sleep level " - "according to maximum network latency (default: true)"); |