diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
20 files changed, 585 insertions, 269 deletions
diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index c82c97be7bf..b16b06c2031 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -1,6 +1,6 @@ config IWLWIFI tristate "Intel Wireless Wifi" - depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL + depends on PCI && MAC80211 && EXPERIMENTAL select FW_LOADER config IWLWIFI_SPECTRUM_MEASUREMENT diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index 3a645e485dd..1e387b9dce1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -164,7 +164,7 @@ struct iwl_cfg iwl1000_bgn_cfg = { .valid_tx_ant = ANT_A, .valid_rx_ant = ANT_AB, .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .max_ll_items = OTP_MAX_LL_ITEMS_1000, .shadow_ram_support = false, @@ -190,7 +190,7 @@ struct iwl_cfg iwl1000_bg_cfg = { .valid_tx_ant = ANT_A, .valid_rx_ant = ANT_AB, .pll_cfg_val = CSR50_ANA_PLL_CFG_VAL, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .max_ll_items = OTP_MAX_LL_ITEMS_1000, .shadow_ram_support = false, diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c index cbb0585083a..dc81e19674f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c @@ -42,38 +42,6 @@ #define RS_NAME "iwl-3945-rs" -struct iwl3945_rate_scale_data { - u64 data; - s32 success_counter; - s32 success_ratio; - s32 counter; - s32 average_tpt; - unsigned long stamp; -}; - -struct iwl3945_rs_sta { - spinlock_t lock; - struct iwl_priv *priv; - s32 *expected_tpt; - unsigned long last_partial_flush; - unsigned long last_flush; - u32 flush_time; - u32 last_tx_packets; - u32 tx_packets; - u8 tgg; - u8 flush_pending; - u8 start_rate; - u8 ibss_sta_added; - struct timer_list rate_scale_flush; - struct iwl3945_rate_scale_data win[IWL_RATE_COUNT_3945]; -#ifdef CONFIG_MAC80211_DEBUGFS - struct dentry *rs_sta_dbgfs_stats_table_file; -#endif - - /* used to be in sta_info */ - int last_txrate_idx; -}; - static s32 iwl3945_expected_tpt_g[IWL_RATE_COUNT_3945] = { 7, 13, 35, 58, 0, 0, 76, 104, 130, 168, 191, 202 }; @@ -370,6 +338,28 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband, IWL_DEBUG_RATE(priv, "enter\n"); + spin_lock_init(&rs_sta->lock); + + rs_sta->priv = priv; + + rs_sta->start_rate = IWL_RATE_INVALID; + + /* default to just 802.11b */ + rs_sta->expected_tpt = iwl3945_expected_tpt_b; + + rs_sta->last_partial_flush = jiffies; + rs_sta->last_flush = jiffies; + rs_sta->flush_time = IWL_RATE_FLUSH; + rs_sta->last_tx_packets = 0; + rs_sta->ibss_sta_added = 0; + + init_timer(&rs_sta->rate_scale_flush); + rs_sta->rate_scale_flush.data = (unsigned long)rs_sta; + rs_sta->rate_scale_flush.function = &iwl3945_bg_rate_scale_flush; + + for (i = 0; i < IWL_RATE_COUNT_3945; i++) + iwl3945_clear_window(&rs_sta->win[i]); + /* TODO: what is a good starting rate for STA? About middle? Maybe not * the lowest or the highest rate.. Could consider using RSSI from * previous packets? Need to have IEEE 802.1X auth succeed immediately @@ -409,45 +399,11 @@ static void *rs_alloc_sta(void *iwl_priv, struct ieee80211_sta *sta, gfp_t gfp) { struct iwl3945_rs_sta *rs_sta; struct iwl3945_sta_priv *psta = (void *) sta->drv_priv; - struct iwl_priv *priv = iwl_priv; - int i; - - /* - * XXX: If it's using sta->drv_priv anyway, it might - * as well just put all the information there. - */ + struct iwl_priv *priv __maybe_unused = iwl_priv; IWL_DEBUG_RATE(priv, "enter\n"); - rs_sta = kzalloc(sizeof(struct iwl3945_rs_sta), gfp); - if (!rs_sta) { - IWL_DEBUG_RATE(priv, "leave: ENOMEM\n"); - return NULL; - } - - psta->rs_sta = rs_sta; - - spin_lock_init(&rs_sta->lock); - - rs_sta->priv = priv; - - rs_sta->start_rate = IWL_RATE_INVALID; - - /* default to just 802.11b */ - rs_sta->expected_tpt = iwl3945_expected_tpt_b; - - rs_sta->last_partial_flush = jiffies; - rs_sta->last_flush = jiffies; - rs_sta->flush_time = IWL_RATE_FLUSH; - rs_sta->last_tx_packets = 0; - rs_sta->ibss_sta_added = 0; - - init_timer(&rs_sta->rate_scale_flush); - rs_sta->rate_scale_flush.data = (unsigned long)rs_sta; - rs_sta->rate_scale_flush.function = &iwl3945_bg_rate_scale_flush; - - for (i = 0; i < IWL_RATE_COUNT_3945; i++) - iwl3945_clear_window(&rs_sta->win[i]); + rs_sta = &psta->rs_sta; IWL_DEBUG_RATE(priv, "leave\n"); @@ -458,14 +414,11 @@ static void rs_free_sta(void *iwl_priv, struct ieee80211_sta *sta, void *priv_sta) { struct iwl3945_sta_priv *psta = (void *) sta->drv_priv; - struct iwl3945_rs_sta *rs_sta = priv_sta; + struct iwl3945_rs_sta *rs_sta = &psta->rs_sta; struct iwl_priv *priv __maybe_unused = rs_sta->priv; - psta->rs_sta = NULL; - IWL_DEBUG_RATE(priv, "enter\n"); del_timer_sync(&rs_sta->rate_scale_flush); - kfree(rs_sta); IWL_DEBUG_RATE(priv, "leave\n"); } @@ -960,14 +913,15 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) rcu_read_lock(); - sta = ieee80211_find_sta(hw, priv->stations[sta_id].sta.sta.addr); + sta = ieee80211_find_sta(priv->vif, + priv->stations[sta_id].sta.sta.addr); if (!sta) { rcu_read_unlock(); return; } psta = (void *) sta->drv_priv; - rs_sta = psta->rs_sta; + rs_sta = &psta->rs_sta; spin_lock_irqsave(&rs_sta->lock, flags); diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index ebb999a51b5..2b0d65c5780 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -74,8 +74,41 @@ extern struct pci_device_id iwl3945_hw_card_ids[]; /* Module parameters accessible from iwl-*.c */ extern struct iwl_mod_params iwl3945_mod_params; +struct iwl3945_rate_scale_data { + u64 data; + s32 success_counter; + s32 success_ratio; + s32 counter; + s32 average_tpt; + unsigned long stamp; +}; + +struct iwl3945_rs_sta { + spinlock_t lock; + struct iwl_priv *priv; + s32 *expected_tpt; + unsigned long last_partial_flush; + unsigned long last_flush; + u32 flush_time; + u32 last_tx_packets; + u32 tx_packets; + u8 tgg; + u8 flush_pending; + u8 start_rate; + u8 ibss_sta_added; + struct timer_list rate_scale_flush; + struct iwl3945_rate_scale_data win[IWL_RATE_COUNT_3945]; +#ifdef CONFIG_MAC80211_DEBUGFS + struct dentry *rs_sta_dbgfs_stats_table_file; +#endif + + /* used to be in sta_info */ + int last_txrate_idx; +}; + + struct iwl3945_sta_priv { - struct iwl3945_rs_sta *rs_sta; + struct iwl3945_rs_sta rs_sta; }; enum iwl3945_antenna { diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index d256fecc6cd..910217f0ad8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -591,16 +591,6 @@ static void iwl5000_tx_queue_set_status(struct iwl_priv *priv, scd_retry ? "BA" : "AC", txq_id, tx_fifo_id); } -static int iwl5000_send_wimax_coex(struct iwl_priv *priv) -{ - struct iwl_wimax_coex_cmd coex_cmd; - - memset(&coex_cmd, 0, sizeof(coex_cmd)); - - return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD, - sizeof(coex_cmd), &coex_cmd); -} - int iwl5000_alive_notify(struct iwl_priv *priv) { u32 a; @@ -681,7 +671,7 @@ int iwl5000_alive_notify(struct iwl_priv *priv) spin_unlock_irqrestore(&priv->lock, flags); - iwl5000_send_wimax_coex(priv); + iwl_send_wimax_coex(priv); iwl5000_set_Xtal_calib(priv); iwl_send_calib_results(priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 32466d38d1a..70e117f8d0c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -299,7 +299,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = { .valid_tx_ant = ANT_AB, .valid_rx_ant = ANT_AB, .pll_cfg_val = 0, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .pa_type = IWL_PA_HYBRID, .max_ll_items = OTP_MAX_LL_ITEMS_6x00, @@ -329,7 +329,7 @@ struct iwl_cfg iwl6000h_2abg_cfg = { .valid_tx_ant = ANT_AB, .valid_rx_ant = ANT_AB, .pll_cfg_val = 0, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .pa_type = IWL_PA_HYBRID, .max_ll_items = OTP_MAX_LL_ITEMS_6x00, @@ -358,7 +358,7 @@ struct iwl_cfg iwl6000h_2bg_cfg = { .valid_tx_ant = ANT_AB, .valid_rx_ant = ANT_AB, .pll_cfg_val = 0, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .pa_type = IWL_PA_HYBRID, .max_ll_items = OTP_MAX_LL_ITEMS_6x00, @@ -390,7 +390,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = { .valid_tx_ant = ANT_BC, .valid_rx_ant = ANT_BC, .pll_cfg_val = 0, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .pa_type = IWL_PA_INTERNAL, .max_ll_items = OTP_MAX_LL_ITEMS_6x00, @@ -420,7 +420,7 @@ struct iwl_cfg iwl6000i_2abg_cfg = { .valid_tx_ant = ANT_BC, .valid_rx_ant = ANT_BC, .pll_cfg_val = 0, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .pa_type = IWL_PA_INTERNAL, .max_ll_items = OTP_MAX_LL_ITEMS_6x00, @@ -449,7 +449,7 @@ struct iwl_cfg iwl6000i_2bg_cfg = { .valid_tx_ant = ANT_BC, .valid_rx_ant = ANT_BC, .pll_cfg_val = 0, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .pa_type = IWL_PA_INTERNAL, .max_ll_items = OTP_MAX_LL_ITEMS_6x00, @@ -478,7 +478,7 @@ struct iwl_cfg iwl6050_2agn_cfg = { .valid_tx_ant = ANT_AB, .valid_rx_ant = ANT_AB, .pll_cfg_val = 0, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .pa_type = IWL_PA_SYSTEM, .max_ll_items = OTP_MAX_LL_ITEMS_6x50, @@ -490,6 +490,8 @@ struct iwl_cfg iwl6050_2agn_cfg = { .supports_idle = true, .adv_thermal_throttle = true, .support_ct_kill_exit = true, + .support_sm_ps = true, + .support_wimax_coexist = true, }; struct iwl_cfg iwl6050_2abg_cfg = { @@ -508,7 +510,7 @@ struct iwl_cfg iwl6050_2abg_cfg = { .valid_tx_ant = ANT_AB, .valid_rx_ant = ANT_AB, .pll_cfg_val = 0, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .pa_type = IWL_PA_SYSTEM, .max_ll_items = OTP_MAX_LL_ITEMS_6x50, @@ -519,6 +521,7 @@ struct iwl_cfg iwl6050_2abg_cfg = { .supports_idle = true, .adv_thermal_throttle = true, .support_ct_kill_exit = true, + .support_wimax_coexist = true, }; struct iwl_cfg iwl6000_3agn_cfg = { @@ -537,7 +540,7 @@ struct iwl_cfg iwl6000_3agn_cfg = { .valid_tx_ant = ANT_ABC, .valid_rx_ant = ANT_ABC, .pll_cfg_val = 0, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .pa_type = IWL_PA_SYSTEM, .max_ll_items = OTP_MAX_LL_ITEMS_6x00, @@ -567,7 +570,7 @@ struct iwl_cfg iwl6050_3agn_cfg = { .valid_tx_ant = ANT_ABC, .valid_rx_ant = ANT_ABC, .pll_cfg_val = 0, - .set_l0s = false, + .set_l0s = true, .use_bsm = false, .pa_type = IWL_PA_SYSTEM, .max_ll_items = OTP_MAX_LL_ITEMS_6x50, @@ -579,6 +582,8 @@ struct iwl_cfg iwl6050_3agn_cfg = { .supports_idle = true, .adv_thermal_throttle = true, .support_ct_kill_exit = true, + .support_sm_ps = true, + .support_wimax_coexist = true, }; MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 27d4ece4d46..43edd8fd440 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -2477,19 +2477,12 @@ static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta, struct iwl_lq_sta *lq_sta; struct iwl_station_priv *sta_priv = (struct iwl_station_priv *) sta->drv_priv; struct iwl_priv *priv; - int i, j; priv = (struct iwl_priv *)priv_rate; IWL_DEBUG_RATE(priv, "create station rate scale window\n"); lq_sta = &sta_priv->lq_sta; - lq_sta->lq.sta_id = 0xff; - - for (j = 0; j < LQ_SIZE; j++) - for (i = 0; i < IWL_RATE_COUNT; i++) - rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]); - return lq_sta; } @@ -2502,6 +2495,12 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband, struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; struct iwl_lq_sta *lq_sta = priv_sta; + lq_sta->lq.sta_id = 0xff; + + for (j = 0; j < LQ_SIZE; j++) + for (i = 0; i < IWL_RATE_COUNT; i++) + rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]); + lq_sta->flush_timer = 0; lq_sta->supp_rates = sta->supp_rates[sband->band]; for (j = 0; j < LQ_SIZE; j++) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index fa1672e99e4..b5fe8f87aa7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -190,11 +190,7 @@ int iwl_commit_rxon(struct iwl_priv *priv) priv->start_calib = 0; /* Add the broadcast address so we can send broadcast frames */ - if (iwl_rxon_add_station(priv, iwl_bcast_addr, 0) == - IWL_INVALID_STATION) { - IWL_ERR(priv, "Error adding BROADCAST address for transmit.\n"); - return -EIO; - } + iwl_add_bcast_station(priv); /* If we have set the ASSOC_MSK and we are in BSS mode then * add the IWL_AP_ID to the station rate table */ @@ -890,6 +886,7 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv) u32 inta, handled = 0; u32 inta_fh; unsigned long flags; + u32 i; #ifdef CONFIG_IWLWIFI_DEBUG u32 inta_mask; #endif @@ -1007,19 +1004,17 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv) handled |= CSR_INT_BIT_SW_ERR; } - /* uCode wakes up after power-down sleep */ + /* + * uCode wakes up after power-down sleep. + * Tell device about any new tx or host commands enqueued, + * and about any Rx buffers made available while asleep. + */ if (inta & CSR_INT_BIT_WAKEUP) { IWL_DEBUG_ISR(priv, "Wakeup interrupt\n"); iwl_rx_queue_update_write_ptr(priv, &priv->rxq); - iwl_txq_update_write_ptr(priv, &priv->txq[0]); - iwl_txq_update_write_ptr(priv, &priv->txq[1]); - iwl_txq_update_write_ptr(priv, &priv->txq[2]); - iwl_txq_update_write_ptr(priv, &priv->txq[3]); - iwl_txq_update_write_ptr(priv, &priv->txq[4]); - iwl_txq_update_write_ptr(priv, &priv->txq[5]); - + for (i = 0; i < priv->hw_params.max_txq_num; i++) + iwl_txq_update_write_ptr(priv, &priv->txq[i]); priv->isr_stats.wakeup++; - handled |= CSR_INT_BIT_WAKEUP; } @@ -1033,11 +1028,12 @@ static void iwl_irq_tasklet_legacy(struct iwl_priv *priv) handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX); } + /* This "Tx" DMA channel is used only for loading uCode */ if (inta & CSR_INT_BIT_FH_TX) { - IWL_DEBUG_ISR(priv, "Tx interrupt\n"); + IWL_DEBUG_ISR(priv, "uCode load interrupt\n"); priv->isr_stats.tx++; handled |= CSR_INT_BIT_FH_TX; - /* FH finished to write, send event */ + /* Wake up uCode load routine, now that load is complete */ priv->ucode_write_complete = 1; wake_up_interruptible(&priv->wait_command_queue); } @@ -1234,12 +1230,13 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) iwl_leds_background(priv); } + /* This "Tx" DMA channel is used only for loading uCode */ if (inta & CSR_INT_BIT_FH_TX) { iwl_write32(priv, CSR_FH_INT_STATUS, CSR49_FH_INT_TX_MASK); - IWL_DEBUG_ISR(priv, "Tx interrupt\n"); + IWL_DEBUG_ISR(priv, "uCode load interrupt\n"); priv->isr_stats.tx++; handled |= CSR_INT_BIT_FH_TX; - /* FH finished to write, send event */ + /* Wake up uCode load routine, now that load is complete */ priv->ucode_write_complete = 1; wake_up_interruptible(&priv->wait_command_queue); } @@ -1377,6 +1374,14 @@ static int iwl_read_ucode(struct iwl_priv *priv) IWL_UCODE_API(priv->ucode_ver), IWL_UCODE_SERIAL(priv->ucode_ver)); + snprintf(priv->hw->wiphy->fw_version, + sizeof(priv->hw->wiphy->fw_version), + "%u.%u.%u.%u", + IWL_UCODE_MAJOR(priv->ucode_ver), + IWL_UCODE_MINOR(priv->ucode_ver), + IWL_UCODE_API(priv->ucode_ver), + IWL_UCODE_SERIAL(priv->ucode_ver)); + if (build) IWL_DEBUG_INFO(priv, "Build %u\n", build); @@ -2515,7 +2520,7 @@ void iwl_config_ap(struct iwl_priv *priv) spin_lock_irqsave(&priv->lock, flags); iwl_activate_qos(priv, 1); spin_unlock_irqrestore(&priv->lock, flags); - iwl_rxon_add_station(priv, iwl_bcast_addr, 0); + iwl_add_bcast_station(priv); } iwl_send_beacon_cmd(priv); @@ -2963,6 +2968,100 @@ static void iwl_cancel_deferred_work(struct iwl_priv *priv) del_timer_sync(&priv->statistics_periodic); } +static void iwl_init_hw_rates(struct iwl_priv *priv, + struct ieee80211_rate *rates) +{ + int i; + + for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { + rates[i].bitrate = iwl_rates[i].ieee * 5; + rates[i].hw_value = i; /* Rate scaling will work on indexes */ + rates[i].hw_value_short = i; + rates[i].flags = 0; + if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { + /* + * If CCK != 1M then set short preamble rate flag. + */ + rates[i].flags |= + (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? + 0 : IEEE80211_RATE_SHORT_PREAMBLE; + } + } +} + +static int iwl_init_drv(struct iwl_priv *priv) +{ + int ret; + + priv->ibss_beacon = NULL; + + spin_lock_init(&priv->lock); + spin_lock_init(&priv->sta_lock); + spin_lock_init(&priv->hcmd_lock); + + INIT_LIST_HEAD(&priv->free_frames); + + mutex_init(&priv->mutex); + + /* Clear the driver's (not device's) station table */ + iwl_clear_stations_table(priv); + + priv->ieee_channels = NULL; + priv->ieee_rates = NULL; + priv->band = IEEE80211_BAND_2GHZ; + + priv->iw_mode = NL80211_IFTYPE_STATION; + if (priv->cfg->support_sm_ps) + priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DYNAMIC; + else + priv->current_ht_config.sm_ps = WLAN_HT_CAP_SM_PS_DISABLED; + + /* Choose which receivers/antennas to use */ + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv); + + iwl_init_scan_params(priv); + + iwl_reset_qos(priv); + + priv->qos_data.qos_active = 0; + priv->qos_data.qos_cap.val = 0; + + priv->rates_mask = IWL_RATES_MASK; + /* Set the tx_power_user_lmt to the lowest power level + * this value will get overwritten by channel max power avg + * from eeprom */ + priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MIN; + + ret = iwl_init_channel_map(priv); + if (ret) { + IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); + goto err; + } + + ret = iwlcore_init_geos(priv); + if (ret) { + IWL_ERR(priv, "initializing geos failed: %d\n", ret); + goto err_free_channel_map; + } + iwl_init_hw_rates(priv, priv->ieee_rates); + + return 0; + +err_free_channel_map: + iwl_free_channel_map(priv); +err: + return ret; +} + +static void iwl_uninit_drv(struct iwl_priv *priv) +{ + iwl_calib_free_results(priv); + iwlcore_free_geos(priv); + iwl_free_channel_map(priv); + kfree(priv->scan); +} + static struct attribute *iwl_sysfs_entries[] = { &dev_attr_flags.attr, &dev_attr_filter_flags.attr, @@ -3105,12 +3204,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_iounmap; } - /* amp init */ - err = priv->cfg->ops->lib->apm_ops.init(priv); - if (err < 0) { - IWL_ERR(priv, "Failed to init APMG\n"); - goto out_iounmap; - } /***************** * 4. Read EEPROM *****************/ diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c index 1f801eb9fbf..d994de7438d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-calib.c +++ b/drivers/net/wireless/iwlwifi/iwl-calib.c @@ -132,6 +132,7 @@ void iwl_calib_free_results(struct iwl_priv *priv) priv->calib_results[i].buf_len = 0; } } +EXPORT_SYMBOL(iwl_calib_free_results); /***************************************************************************** * RUNTIME calibrations framework diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index 954bad60355..b62c90ec9e1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -3503,30 +3503,134 @@ struct iwl_led_cmd { } __attribute__ ((packed)); /* - * Coexistence WIFI/WIMAX Command - * COEX_PRIORITY_TABLE_CMD = 0x5a - * + * station priority table entries + * also used as potential "events" value for both + * COEX_MEDIUM_NOTIFICATION and COEX_EVENT_CMD */ + +/* + * COEX events entry flag masks + * RP - Requested Priority + * WP - Win Medium Priority: priority assigned when the contention has been won + */ +#define COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG (0x1) +#define COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG (0x2) +#define COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG (0x4) + +#define COEX_CU_UNASSOC_IDLE_RP 4 +#define COEX_CU_UNASSOC_MANUAL_SCAN_RP 4 +#define COEX_CU_UNASSOC_AUTO_SCAN_RP 4 +#define COEX_CU_CALIBRATION_RP 4 +#define COEX_CU_PERIODIC_CALIBRATION_RP 4 +#define COEX_CU_CONNECTION_ESTAB_RP 4 +#define COEX_CU_ASSOCIATED_IDLE_RP 4 +#define COEX_CU_ASSOC_MANUAL_SCAN_RP 4 +#define COEX_CU_ASSOC_AUTO_SCAN_RP 4 +#define COEX_CU_ASSOC_ACTIVE_LEVEL_RP 4 +#define COEX_CU_RF_ON_RP 6 +#define COEX_CU_RF_OFF_RP 4 +#define COEX_CU_STAND_ALONE_DEBUG_RP 6 +#define COEX_CU_IPAN_ASSOC_LEVEL_RP 4 +#define COEX_CU_RSRVD1_RP 4 +#define COEX_CU_RSRVD2_RP 4 + +#define COEX_CU_UNASSOC_IDLE_WP 3 +#define COEX_CU_UNASSOC_MANUAL_SCAN_WP 3 +#define COEX_CU_UNASSOC_AUTO_SCAN_WP 3 +#define COEX_CU_CALIBRATION_WP 3 +#define COEX_CU_PERIODIC_CALIBRATION_WP 3 +#define COEX_CU_CONNECTION_ESTAB_WP 3 +#define COEX_CU_ASSOCIATED_IDLE_WP 3 +#define COEX_CU_ASSOC_MANUAL_SCAN_WP 3 +#define COEX_CU_ASSOC_AUTO_SCAN_WP 3 +#define COEX_CU_ASSOC_ACTIVE_LEVEL_WP 3 +#define COEX_CU_RF_ON_WP 3 +#define COEX_CU_RF_OFF_WP 3 +#define COEX_CU_STAND_ALONE_DEBUG_WP 6 +#define COEX_CU_IPAN_ASSOC_LEVEL_WP 3 +#define COEX_CU_RSRVD1_WP 3 +#define COEX_CU_RSRVD2_WP 3 + +#define COEX_UNASSOC_IDLE_FLAGS 0 +#define COEX_UNASSOC_MANUAL_SCAN_FLAGS \ + (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \ + COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG) +#define COEX_UNASSOC_AUTO_SCAN_FLAGS \ + (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \ + COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG) +#define COEX_CALIBRATION_FLAGS \ + (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \ + COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG) +#define COEX_PERIODIC_CALIBRATION_FLAGS 0 +/* + * COEX_CONNECTION_ESTAB: + * we need DELAY_MEDIUM_FREE_NTFY to let WiMAX disconnect from network. + */ +#define COEX_CONNECTION_ESTAB_FLAGS \ + (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \ + COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG | \ + COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG) +#define COEX_ASSOCIATED_IDLE_FLAGS 0 +#define COEX_ASSOC_MANUAL_SCAN_FLAGS \ + (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \ + COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG) +#define COEX_ASSOC_AUTO_SCAN_FLAGS \ + (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \ + COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG) +#define COEX_ASSOC_ACTIVE_LEVEL_FLAGS 0 +#define COEX_RF_ON_FLAGS 0 +#define COEX_RF_OFF_FLAGS 0 +#define COEX_STAND_ALONE_DEBUG_FLAGS \ + (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \ + COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG) +#define COEX_IPAN_ASSOC_LEVEL_FLAGS \ + (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \ + COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG | \ + COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG) +#define COEX_RSRVD1_FLAGS 0 +#define COEX_RSRVD2_FLAGS 0 +/* + * COEX_CU_RF_ON is the event wrapping all radio ownership. + * We need DELAY_MEDIUM_FREE_NTFY to let WiMAX disconnect from network. + */ +#define COEX_CU_RF_ON_FLAGS \ + (COEX_EVT_FLAG_MEDIUM_FREE_NTFY_FLG | \ + COEX_EVT_FLAG_MEDIUM_ACTV_NTFY_FLG | \ + COEX_EVT_FLAG_DELAY_MEDIUM_FREE_NTFY_FLG) + + enum { + /* un-association part */ COEX_UNASSOC_IDLE = 0, COEX_UNASSOC_MANUAL_SCAN = 1, COEX_UNASSOC_AUTO_SCAN = 2, + /* calibration */ COEX_CALIBRATION = 3, COEX_PERIODIC_CALIBRATION = 4, + /* connection */ COEX_CONNECTION_ESTAB = 5, + /* association part */ COEX_ASSOCIATED_IDLE = 6, COEX_ASSOC_MANUAL_SCAN = 7, COEX_ASSOC_AUTO_SCAN = 8, COEX_ASSOC_ACTIVE_LEVEL = 9, + /* RF ON/OFF */ COEX_RF_ON = 10, COEX_RF_OFF = 11, COEX_STAND_ALONE_DEBUG = 12, + /* IPAN */ COEX_IPAN_ASSOC_LEVEL = 13, + /* reserved */ COEX_RSRVD1 = 14, COEX_RSRVD2 = 15, COEX_NUM_OF_EVENTS = 16 }; +/* + * Coexistence WIFI/WIMAX Command + * COEX_PRIORITY_TABLE_CMD = 0x5a + * + */ struct iwl_wimax_coex_event_entry { u8 request_prio; u8 win_medium_prio; @@ -3551,6 +3655,55 @@ struct iwl_wimax_coex_cmd { struct iwl_wimax_coex_event_entry sta_prio[COEX_NUM_OF_EVENTS]; } __attribute__ ((packed)); +/* + * Coexistence MEDIUM NOTIFICATION + * COEX_MEDIUM_NOTIFICATION = 0x5b + * + * notification from uCode to host to indicate medium changes + * + */ +/* + * status field + * bit 0 - 2: medium status + * bit 3: medium change indication + * bit 4 - 31: reserved + */ +/* status option values, (0 - 2 bits) */ +#define COEX_MEDIUM_BUSY (0x0) /* radio belongs to WiMAX */ +#define COEX_MEDIUM_ACTIVE (0x1) /* radio belongs to WiFi */ +#define COEX_MEDIUM_PRE_RELEASE (0x2) /* received radio release */ +#define COEX_MEDIUM_MSK (0x7) + +/* send notification status (1 bit) */ +#define COEX_MEDIUM_CHANGED (0x8) +#define COEX_MEDIUM_CHANGED_MSK (0x8) +#define COEX_MEDIUM_SHIFT (3) + +struct iwl_coex_medium_notification { + __le32 status; + __le32 events; +} __attribute__ ((packed)); + +/* + * Coexistence EVENT Command + * COEX_EVENT_CMD = 0x5c + * + * send from host to uCode for coex event request. + */ +/* flags options */ +#define COEX_EVENT_REQUEST_MSK (0x1) + +struct iwl_coex_event_cmd { + u8 flags; + u8 event; + __le16 reserved; +} __attribute__ ((packed)); + +struct iwl_coex_event_resp { + __le32 status; +} __attribute__ ((packed)); + + /****************************************************************************** * (13) * Union of all expected notifications/responses: @@ -3587,6 +3740,8 @@ struct iwl_rx_packet { struct iwl_notif_statistics stats; struct iwl_compressed_ba_resp compressed_ba; struct iwl_missed_beacon_notif missed_beacon; + struct iwl_coex_medium_notification coex_medium_notif; + struct iwl_coex_event_resp coex_event; __le32 status; u8 raw[0]; } u; diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index d2b56baf98f..e0b5b4aef41 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -46,6 +46,37 @@ MODULE_VERSION(IWLWIFI_VERSION); MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); MODULE_LICENSE("GPL"); +static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = { + {COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP, + 0, COEX_UNASSOC_IDLE_FLAGS}, + {COEX_CU_UNASSOC_MANUAL_SCAN_RP, COEX_CU_UNASSOC_MANUAL_SCAN_WP, + 0, COEX_UNASSOC_MANUAL_SCAN_FLAGS}, + {COEX_CU_UNASSOC_AUTO_SCAN_RP, COEX_CU_UNASSOC_AUTO_SCAN_WP, + 0, COEX_UNASSOC_AUTO_SCAN_FLAGS}, + {COEX_CU_CALIBRATION_RP, COEX_CU_CALIBRATION_WP, + 0, COEX_CALIBRATION_FLAGS}, + {COEX_CU_PERIODIC_CALIBRATION_RP, COEX_CU_PERIODIC_CALIBRATION_WP, + 0, COEX_PERIODIC_CALIBRATION_FLAGS}, + {COEX_CU_CONNECTION_ESTAB_RP, COEX_CU_CONNECTION_ESTAB_WP, + 0, COEX_CONNECTION_ESTAB_FLAGS}, + {COEX_CU_ASSOCIATED_IDLE_RP, COEX_CU_ASSOCIATED_IDLE_WP, + 0, COEX_ASSOCIATED_IDLE_FLAGS}, + {COEX_CU_ASSOC_MANUAL_SCAN_RP, COEX_CU_ASSOC_MANUAL_SCAN_WP, + 0, COEX_ASSOC_MANUAL_SCAN_FLAGS}, + {COEX_CU_ASSOC_AUTO_SCAN_RP, COEX_CU_ASSOC_AUTO_SCAN_WP, + 0, COEX_ASSOC_AUTO_SCAN_FLAGS}, + {COEX_CU_ASSOC_ACTIVE_LEVEL_RP, COEX_CU_ASSOC_ACTIVE_LEVEL_WP, + 0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS}, + {COEX_CU_RF_ON_RP, COEX_CU_RF_ON_WP, 0, COEX_CU_RF_ON_FLAGS}, + {COEX_CU_RF_OFF_RP, COEX_CU_RF_OFF_WP, 0, COEX_RF_OFF_FLAGS}, + {COEX_CU_STAND_ALONE_DEBUG_RP, COEX_CU_STAND_ALONE_DEBUG_WP, + 0, COEX_STAND_ALONE_DEBUG_FLAGS}, + {COEX_CU_IPAN_ASSOC_LEVEL_RP, COEX_CU_IPAN_ASSOC_LEVEL_WP, + 0, COEX_IPAN_ASSOC_LEVEL_FLAGS}, + {COEX_CU_RSRVD1_RP, COEX_CU_RSRVD1_WP, 0, COEX_RSRVD1_FLAGS}, + {COEX_CU_RSRVD2_RP, COEX_CU_RSRVD2_WP, 0, COEX_RSRVD2_FLAGS} +}; + #define IWL_DECLARE_RATE_INFO(r, s, ip, in, rp, rn, pp, np) \ [IWL_RATE_##r##M_INDEX] = { IWL_RATE_##r##M_PLCP, \ IWL_RATE_SISO_##s##M_PLCP, \ @@ -414,8 +445,12 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, if (priv->cfg->ht_greenfield_support) ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; ht_info->cap |= IEEE80211_HT_CAP_SGI_20; - ht_info->cap |= (IEEE80211_HT_CAP_SM_PS & - (WLAN_HT_CAP_SM_PS_DISABLED << 2)); + if (priv->cfg->support_sm_ps) + ht_info->cap |= (IEEE80211_HT_CAP_SM_PS & + (WLAN_HT_CAP_SM_PS_DYNAMIC << 2)); + else + ht_info->cap |= (IEEE80211_HT_CAP_SM_PS & + (WLAN_HT_CAP_SM_PS_DISABLED << 2)); max_bit_rate = MAX_BIT_RATE_20_MHZ; if (priv->hw_params.ht40_channel & BIT(band)) { @@ -451,28 +486,6 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, } } -static void iwlcore_init_hw_rates(struct iwl_priv *priv, - struct ieee80211_rate *rates) -{ - int i; - - for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { - rates[i].bitrate = iwl_rates[i].ieee * 5; - rates[i].hw_value = i; /* Rate scaling will work on indexes */ - rates[i].hw_value_short = i; - rates[i].flags = 0; - if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) { - /* - * If CCK != 1M then set short preamble rate flag. - */ - rates[i].flags |= - (iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ? - 0 : IEEE80211_RATE_SHORT_PREAMBLE; - } - } -} - - /** * iwlcore_init_geos - Initialize mac80211's geo/channel info based from eeprom */ @@ -985,17 +998,35 @@ static int iwl_get_active_rx_chain_count(struct iwl_priv *priv) } /* - * When we are in power saving, there's no difference between - * using multiple chains or just a single chain, but due to the - * lack of SM PS we lose a lot of throughput if we use just a - * single chain. - * - * Therefore, use the active count here (which will use multiple - * chains unless connected to a legacy AP). + * When we are in power saving mode, unless device support spatial + * multiplexing power save, use the active count for rx chain count. */ static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt) { - return active_cnt; + int idle_cnt = active_cnt; + bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status); + + if (priv->cfg->support_sm_ps) { + /* # Rx chains when idling and maybe trying to save power */ + switch (priv->current_ht_config.sm_ps) { + case WLAN_HT_CAP_SM_PS_STATIC: + case WLAN_HT_CAP_SM_PS_DYNAMIC: + idle_cnt = (is_cam) ? IWL_NUM_IDLE_CHAINS_DUAL : + IWL_NUM_IDLE_CHAINS_SINGLE; + break; + case WLAN_HT_CAP_SM_PS_DISABLED: + idle_cnt = (is_cam) ? active_cnt : + IWL_NUM_IDLE_CHAINS_SINGLE; + break; + case WLAN_HT_CAP_SM_PS_INVALID: + default: + IWL_ERR(priv, "invalid sm_ps mode %d\n", + priv->current_ht_config.sm_ps); + WARN_ON(1); + break; + } + } + return idle_cnt; } /* up to 4 chains */ @@ -1353,39 +1384,39 @@ EXPORT_SYMBOL(iwl_irq_handle_error); int iwl_apm_stop_master(struct iwl_priv *priv) { - unsigned long flags; - - spin_lock_irqsave(&priv->lock, flags); + int ret = 0; - /* set stop master bit */ + /* stop device's busmaster DMA activity */ iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); - iwl_poll_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED, + ret = iwl_poll_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED, CSR_RESET_REG_FLAG_MASTER_DISABLED, 100); + if (ret) + IWL_WARN(priv, "Master Disable Timed Out, 100 usec\n"); - spin_unlock_irqrestore(&priv->lock, flags); IWL_DEBUG_INFO(priv, "stop master\n"); - return 0; + return ret; } EXPORT_SYMBOL(iwl_apm_stop_master); void iwl_apm_stop(struct iwl_priv *priv) { - unsigned long flags; - IWL_DEBUG_INFO(priv, "Stop card, put in low power state\n"); + /* Stop device's DMA activity */ iwl_apm_stop_master(priv); - spin_lock_irqsave(&priv->lock, flags); - + /* Reset the entire device */ iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); udelay(10); - /* clear "init complete" move adapter D0A* --> D0U state */ + + /* + * Clear "initialization complete" bit to move adapter from + * D0A* (powered-up Active) --> D0U* (Uninitialized) state. + */ iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - spin_unlock_irqrestore(&priv->lock, flags); } EXPORT_SYMBOL(iwl_apm_stop); @@ -1430,8 +1461,12 @@ int iwl_apm_init(struct iwl_priv *priv) CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A); /* - * HW bug W/A - costs negligible power consumption ... - * Check if BIOS (or OS) enabled L1-ASPM on this device + * HW bug W/A for instability in PCIe bus L0->L0S->L1 transition. + * Check if BIOS (or OS) enabled L1-ASPM on this device. + * If so (likely), disable L0S, so device moves directly L0->L1; + * costs negligible amount of power savings. + * If not (unlikely), enable L0S, so there is at least some + * power savings, even without L1. */ if (priv->cfg->set_l0s) { lctl = iwl_pcie_link_ctl(priv); @@ -1567,68 +1602,6 @@ int iwl_set_hw_params(struct iwl_priv *priv) } EXPORT_SYMBOL(iwl_set_hw_params); -int iwl_init_drv(struct iwl_priv *priv) -{ - int ret; - - priv->ibss_beacon = NULL; - - spin_lock_init(&priv->lock); - spin_lock_init(&priv->sta_lock); - spin_lock_init(&priv->hcmd_lock); - - INIT_LIST_HEAD(&priv->free_frames); - - mutex_init(&priv->mutex); - - /* Clear the driver's (not device's) station table */ - iwl_clear_stations_table(priv); - - priv->ieee_channels = NULL; - priv->ieee_rates = NULL; - priv->band = IEEE80211_BAND_2GHZ; - - priv->iw_mode = NL80211_IFTYPE_STATION; - - /* Choose which receivers/antennas to use */ - if (priv->cfg->ops->hcmd->set_rxon_chain) - priv->cfg->ops->hcmd->set_rxon_chain(priv); - - iwl_init_scan_params(priv); - - iwl_reset_qos(priv); - - priv->qos_data.qos_active = 0; - priv->qos_data.qos_cap.val = 0; - - priv->rates_mask = IWL_RATES_MASK; - /* Set the tx_power_user_lmt to the lowest power level - * this value will get overwritten by channel max power avg - * from eeprom */ - priv->tx_power_user_lmt = IWL_TX_POWER_TARGET_POWER_MIN; - - ret = iwl_init_channel_map(priv); - if (ret) { - IWL_ERR(priv, "initializing regulatory failed: %d\n", ret); - goto err; - } - - ret = iwlcore_init_geos(priv); - if (ret) { - IWL_ERR(priv, "initializing geos failed: %d\n", ret); - goto err_free_channel_map; - } - iwlcore_init_hw_rates(priv, priv->ieee_rates); - - return 0; - -err_free_channel_map: - iwl_free_channel_map(priv); -err: - return ret; -} -EXPORT_SYMBOL(iwl_init_drv); - int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) { int ret = 0; @@ -1676,15 +1649,6 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) } EXPORT_SYMBOL(iwl_set_tx_power); -void iwl_uninit_drv(struct iwl_priv *priv) -{ - iwl_calib_free_results(priv); - iwlcore_free_geos(priv); - iwl_free_channel_map(priv); - kfree(priv->scan); -} -EXPORT_SYMBOL(iwl_uninit_drv); - #define ICT_COUNT (PAGE_SIZE/sizeof(u32)) /* Free dram table */ @@ -2336,7 +2300,7 @@ static void iwl_ht_conf(struct iwl_priv *priv, switch (priv->iw_mode) { case NL80211_IFTYPE_STATION: rcu_read_lock(); - sta = ieee80211_find_sta(priv->hw, priv->bssid); + sta = ieee80211_find_sta(priv->vif, priv->bssid); if (sta) { struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; int maxstreams; @@ -2346,6 +2310,12 @@ static void iwl_ht_conf(struct iwl_priv *priv, >> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT; maxstreams += 1; + ht_conf->sm_ps = + (u8)((ht_cap->cap & IEEE80211_HT_CAP_SM_PS) + >> 2); + IWL_DEBUG_MAC80211(priv, "sm_ps: 0x%x\n", + ht_conf->sm_ps); + if ((ht_cap->mcs.rx_mask[1] == 0) && (ht_cap->mcs.rx_mask[2] == 0)) ht_conf->single_chain_sufficient = true; @@ -2926,6 +2896,34 @@ void iwl_free_txq_mem(struct iwl_priv *priv) } EXPORT_SYMBOL(iwl_free_txq_mem); +int iwl_send_wimax_coex(struct iwl_priv *priv) +{ + struct iwl_wimax_coex_cmd uninitialized_var(coex_cmd); + + if (priv->cfg->support_wimax_coexist) { + /* UnMask wake up src at associated sleep */ + coex_cmd.flags |= COEX_FLAGS_ASSOC_WA_UNMASK_MSK; + + /* UnMask wake up src at unassociated sleep */ + coex_cmd.flags |= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK; + memcpy(coex_cmd.sta_prio, cu_priorities, + sizeof(struct iwl_wimax_coex_event_entry) * + COEX_NUM_OF_EVENTS); + + /* enabling the coexistence feature */ + coex_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK; + + /* enabling the priorities tables */ + coex_cmd.flags |= COEX_FLAGS_STA_TABLE_VALID_MSK; + } else { + /* coexistence is disabled */ + memset(&coex_cmd, 0, sizeof(coex_cmd)); + } + return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD, + sizeof(coex_cmd), &coex_cmd); +} +EXPORT_SYMBOL(iwl_send_wimax_coex); + #ifdef CONFIG_IWLWIFI_DEBUGFS #define IWL_TRAFFIC_DUMP_SIZE (IWL_TRAFFIC_ENTRY_SIZE * IWL_TRAFFIC_ENTRIES) diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index b875dcfca2d..9574d8f3353 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -228,6 +228,8 @@ struct iwl_mod_params { * @chain_noise_num_beacons: number of beacons used to compute chain noise * @adv_thermal_throttle: support advance thermal throttle * @support_ct_kill_exit: support ct kill exit condition + * @support_sm_ps: support spatial multiplexing power save + * @support_wimax_coexist: support wimax/wifi co-exist * * We enable the driver to be backward compatible wrt API version. The * driver specifies which APIs it supports (with @ucode_api_max being the @@ -283,6 +285,8 @@ struct iwl_cfg { const bool supports_idle; bool adv_thermal_throttle; bool support_ct_kill_exit; + bool support_sm_ps; + const bool support_wimax_coexist; }; /*************************** @@ -316,8 +320,6 @@ void iwl_configure_filter(struct ieee80211_hw *hw, unsigned int *total_flags, u64 multicast); int iwl_hw_nic_init(struct iwl_priv *priv); int iwl_set_hw_params(struct iwl_priv *priv); -int iwl_init_drv(struct iwl_priv *priv); -void iwl_uninit_drv(struct iwl_priv *priv); bool iwl_is_monitor_mode(struct iwl_priv *priv); void iwl_post_associate(struct iwl_priv *priv); void iwl_bss_info_changed(struct ieee80211_hw *hw, @@ -340,6 +342,7 @@ int iwl_alloc_txq_mem(struct iwl_priv *priv); void iwl_free_txq_mem(struct iwl_priv *priv); void iwlcore_rts_tx_cmd_flag(struct ieee80211_tx_info *info, __le32 *tx_flags); +int iwl_send_wimax_coex(struct iwl_priv *priv); #ifdef CONFIG_IWLWIFI_DEBUGFS int iwl_alloc_traffic_mem(struct iwl_priv *priv); void iwl_free_traffic_mem(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index e7ce6738766..cb2642c18da 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -517,6 +517,7 @@ struct iwl_ht_config { bool is_ht; bool is_40mhz; bool single_chain_sufficient; + u8 sm_ps; /* BSS related data */ u8 extension_chan_offset; u8 ht_protection; diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c index 9429cb1c69b..8a0709e81a9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c @@ -533,6 +533,10 @@ int iwl_eeprom_init(struct iwl_priv *priv) goto err; } if (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP) { + + /* OTP reads require powered-up chip */ + priv->cfg->ops->lib->apm_ops.init(priv); + ret = iwl_init_otp_access(priv); if (ret) { IWL_ERR(priv, "Failed to initialize OTP access.\n"); @@ -563,6 +567,13 @@ int iwl_eeprom_init(struct iwl_priv *priv) e[cache_addr / 2] = eeprom_data; cache_addr += sizeof(u16); } + + /* + * Now that OTP reads are complete, reset chip to save + * power until we load uCode during "up". + */ + priv->cfg->ops->lib->apm_ops.stop(priv); + } else { /* eeprom is an array of 16bit values */ for (addr = 0; addr < sz; addr += sizeof(u16)) { diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c index f2a60dc4109..905645d15a9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c +++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c @@ -55,6 +55,8 @@ const char *get_cmd_string(u8 cmd) IWL_CMD(REPLY_LEDS_CMD); IWL_CMD(REPLY_TX_LINK_QUALITY_CMD); IWL_CMD(COEX_PRIORITY_TABLE_CMD); + IWL_CMD(COEX_MEDIUM_NOTIFICATION); + IWL_CMD(COEX_EVENT_CMD); IWL_CMD(RADAR_NOTIFICATION); IWL_CMD(REPLY_QUIET_CMD); IWL_CMD(REPLY_CHANNEL_SWITCH); diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index 4fca65a2fe9..1eb0d0bf1fe 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -401,6 +401,7 @@ void iwl_init_scan_params(struct iwl_priv *priv) if (!priv->scan_tx_ant[IEEE80211_BAND_2GHZ]) priv->scan_tx_ant[IEEE80211_BAND_2GHZ] = ant_idx; } +EXPORT_SYMBOL(iwl_init_scan_params); static int iwl_scan_initiate(struct iwl_priv *priv) { diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index dc74c16d36a..eba36f73738 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -182,6 +182,11 @@ static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index, goto done; mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_SM_PS) >> 2; + IWL_DEBUG_ASSOC(priv, "spatial multiplexing power save mode: %s\n", + (mimo_ps_mode == WLAN_HT_CAP_SM_PS_STATIC) ? + "static" : + (mimo_ps_mode == WLAN_HT_CAP_SM_PS_DYNAMIC) ? + "dynamic" : "disabled"); sta_flags = priv->stations[index].sta.station_flags; @@ -1012,7 +1017,7 @@ int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, bool is_ap) */ if (priv->current_ht_config.is_ht) { rcu_read_lock(); - sta = ieee80211_find_sta(priv->hw, addr); + sta = ieee80211_find_sta(priv->vif, addr); if (sta) { memcpy(&ht_config, &sta->ht_cap, sizeof(ht_config)); cur_ht_config = &ht_config; @@ -1030,6 +1035,68 @@ int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, bool is_ap) EXPORT_SYMBOL(iwl_rxon_add_station); /** + * iwl_sta_init_bcast_lq - Initialize a bcast station's hardware rate table + * + * NOTE: Run REPLY_ADD_STA command to set up station table entry, before + * calling this function (which runs REPLY_TX_LINK_QUALITY_CMD, + * which requires station table entry to exist). + */ +static void iwl_sta_init_bcast_lq(struct iwl_priv *priv) +{ + int i, r; + struct iwl_link_quality_cmd link_cmd = { + .reserved1 = 0, + }; + u32 rate_flags; + + /* Set up the rate scaling to start at selected rate, fall back + * all the way down to 1M in IEEE order, and then spin on 1M */ + if (priv->band == IEEE80211_BAND_5GHZ) + r = IWL_RATE_6M_INDEX; + else + r = IWL_RATE_1M_INDEX; + + for (i = 0; i < LINK_QUAL_MAX_RETRY_NUM; i++) { + rate_flags = 0; + if (r >= IWL_FIRST_CCK_RATE && r <= IWL_LAST_CCK_RATE) + rate_flags |= RATE_MCS_CCK_MSK; + + rate_flags |= first_antenna(priv->hw_params.valid_tx_ant) << + RATE_MCS_ANT_POS; + + link_cmd.rs_table[i].rate_n_flags = + iwl_hw_set_rate_n_flags(iwl_rates[r].plcp, rate_flags); + r = iwl_get_prev_ieee_rate(r); + } + + link_cmd.general_params.single_stream_ant_msk = + first_antenna(priv->hw_params.valid_tx_ant); + link_cmd.general_params.dual_stream_ant_msk = 3; + link_cmd.agg_params.agg_dis_start_th = LINK_QUAL_AGG_DISABLE_START_DEF; + link_cmd.agg_params.agg_time_limit = + cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF); + + /* Update the rate scaling for control frame Tx to AP */ + link_cmd.sta_id = priv->hw_params.bcast_sta_id; + + iwl_send_cmd_pdu_async(priv, REPLY_TX_LINK_QUALITY_CMD, + sizeof(link_cmd), &link_cmd, NULL); +} + + +/** + * iwl_add_bcast_station - add broadcast station into station table. + */ +void iwl_add_bcast_station(struct iwl_priv *priv) +{ + iwl_add_station(priv, iwl_bcast_addr, false, CMD_SYNC, NULL); + + /* Set up default rate scaling table in device's station table */ + iwl_sta_init_bcast_lq(priv); +} +EXPORT_SYMBOL(iwl_add_bcast_station); + +/** * iwl_get_sta_id - Find station's index within station table * * If new IBSS station, create new entry in station table diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h index 6deebade636..1c382de80d4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.h +++ b/drivers/net/wireless/iwlwifi/iwl-sta.h @@ -52,6 +52,7 @@ void iwl_update_tkip_key(struct iwl_priv *priv, const u8 *addr, u32 iv32, u16 *phase1key); int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, bool is_ap); +void iwl_add_bcast_station(struct iwl_priv *priv); int iwl_remove_station(struct iwl_priv *priv, const u8 *addr, bool is_ap); void iwl_clear_stations_table(struct iwl_priv *priv); int iwl_get_free_ucode_key_index(struct iwl_priv *priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 8ae4c9b614e..05e75109d84 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -979,7 +979,8 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) !(cmd->flags & CMD_SIZE_HUGE)); if (iwl_is_rfkill(priv) || iwl_is_ctkill(priv)) { - IWL_DEBUG_INFO(priv, "Not sending command - RF/CT KILL\n"); + IWL_WARN(priv, "Not sending command - %s KILL\n", + iwl_is_rfkill(priv) ? "RF" : "CT"); return -EIO; } @@ -1121,11 +1122,6 @@ static void iwl_hcmd_queue_reclaim(struct iwl_priv *priv, int txq_id, return; } - pci_unmap_single(priv->pci_dev, - pci_unmap_addr(&txq->meta[cmd_idx], mapping), - pci_unmap_len(&txq->meta[cmd_idx], len), - PCI_DMA_BIDIRECTIONAL); - for (idx = iwl_queue_inc_wrap(idx, q->n_bd); q->read_ptr != idx; q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { @@ -1173,6 +1169,11 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) cmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_index]; meta = &priv->txq[IWL_CMD_QUEUE_NUM].meta[cmd_index]; + pci_unmap_single(priv->pci_dev, + pci_unmap_addr(meta, mapping), + pci_unmap_len(meta, len), + PCI_DMA_BIDIRECTIONAL); + /* Input error checking is done when commands are added to queue. */ if (meta->flags & CMD_WANT_SKB) { meta->source->reply_page = (unsigned long)rxb_addr(rxb); diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index bfd7f497157..23b31e6dcac 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -2160,6 +2160,14 @@ static int iwl3945_read_ucode(struct iwl_priv *priv) IWL_UCODE_API(priv->ucode_ver), IWL_UCODE_SERIAL(priv->ucode_ver)); + snprintf(priv->hw->wiphy->fw_version, + sizeof(priv->hw->wiphy->fw_version), + "%u.%u.%u.%u", + IWL_UCODE_MAJOR(priv->ucode_ver), + IWL_UCODE_MINOR(priv->ucode_ver), + IWL_UCODE_API(priv->ucode_ver), + IWL_UCODE_SERIAL(priv->ucode_ver)); + IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n", priv->ucode_ver); IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %u\n", @@ -3992,13 +4000,6 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e */ spin_lock_init(&priv->reg_lock); - /* amp init */ - err = priv->cfg->ops->lib->apm_ops.init(priv); - if (err < 0) { - IWL_DEBUG_INFO(priv, "Failed to init the card\n"); - goto out_iounmap; - } - /*********************** * 4. Read EEPROM * ********************/ |