X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fiwlwifi%2Fiwl-core.c;h=f9e9170e977a8ac053e3af8cd35281987c59493f;hb=89db3b972c997d910b648497345fb0410ad04aec;hp=cf376f62b2f6b3d5dea8c7d13d61a4a313fd3957;hpb=0a7a0519d1789f3a222849421dbe91b6bddb88f5;p=deliverable%2Flinux.git diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index cf376f62b2f6..f9e9170e977a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -34,29 +34,26 @@ #include #include "iwl-eeprom.h" -#include "iwl-dev.h" /* FIXME: remove */ #include "iwl-debug.h" #include "iwl-core.h" #include "iwl-io.h" #include "iwl-power.h" -#include "iwl-sta.h" -#include "iwl-helpers.h" +#include "iwl-agn.h" +#include "iwl-shared.h" #include "iwl-agn.h" #include "iwl-trans.h" -u32 iwl_debug_level; - const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; #define MAX_BIT_RATE_40_MHZ 150 /* Mbps */ #define MAX_BIT_RATE_20_MHZ 72 /* Mbps */ -static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, +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; + u8 rx_chains_num = hw_params(priv).rx_chains_num; + u8 tx_chains_num = hw_params(priv).tx_chains_num; ht_info->cap = 0; memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); @@ -68,7 +65,7 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, 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)) { + if (hw_params(priv).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; @@ -106,9 +103,9 @@ static void iwlcore_init_ht_hw_capab(const struct iwl_priv *priv, } /** - * iwlcore_init_geos - Initialize mac80211's geo/channel info based from eeprom + * iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom */ -int iwlcore_init_geos(struct iwl_priv *priv) +int iwl_init_geos(struct iwl_priv *priv) { struct iwl_channel_info *ch; struct ieee80211_supported_band *sband; @@ -121,16 +118,16 @@ int iwlcore_init_geos(struct iwl_priv *priv) 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); + set_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status); return 0; } - channels = kzalloc(sizeof(struct ieee80211_channel) * - priv->channel_count, GFP_KERNEL); + channels = kcalloc(priv->channel_count, + sizeof(struct ieee80211_channel), GFP_KERNEL); if (!channels) return -ENOMEM; - rates = kzalloc((sizeof(struct ieee80211_rate) * IWL_RATE_COUNT_LEGACY), + rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate), GFP_KERNEL); if (!rates) { kfree(channels); @@ -145,7 +142,7 @@ int iwlcore_init_geos(struct iwl_priv *priv) sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE; if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) - iwlcore_init_ht_hw_capab(priv, &sband->ht_cap, + iwl_init_ht_hw_capab(priv, &sband->ht_cap, IEEE80211_BAND_5GHZ); sband = &priv->bands[IEEE80211_BAND_2GHZ]; @@ -155,7 +152,7 @@ int iwlcore_init_geos(struct iwl_priv *priv) sband->n_bitrates = IWL_RATE_COUNT_LEGACY; if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE) - iwlcore_init_ht_hw_capab(priv, &sband->ht_cap, + iwl_init_ht_hw_capab(priv, &sband->ht_cap, IEEE80211_BAND_2GHZ); priv->ieee_channels = channels; @@ -211,7 +208,7 @@ int iwlcore_init_geos(struct iwl_priv *priv) if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && priv->cfg->sku & EEPROM_SKU_CAP_BAND_52GHZ) { char buf[32]; - bus_get_hw_id(priv->bus, buf, sizeof(buf)); + bus_get_hw_id(bus(priv), buf, sizeof(buf)); IWL_INFO(priv, "Incorrectly detected BG card as ABG. " "Please send your %s to maintainer.\n", buf); priv->cfg->sku &= ~EEPROM_SKU_CAP_BAND_52GHZ; @@ -221,19 +218,19 @@ int iwlcore_init_geos(struct iwl_priv *priv) priv->bands[IEEE80211_BAND_2GHZ].n_channels, priv->bands[IEEE80211_BAND_5GHZ].n_channels); - set_bit(STATUS_GEO_CONFIGURED, &priv->status); + set_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status); return 0; } /* - * iwlcore_free_geos - undo allocations in iwlcore_init_geos + * iwl_free_geos - undo allocations in iwl_init_geos */ -void iwlcore_free_geos(struct iwl_priv *priv) +void iwl_free_geos(struct iwl_priv *priv) { kfree(priv->ieee_channels); kfree(priv->ieee_rates); - clear_bit(STATUS_GEO_CONFIGURED, &priv->status); + clear_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status); } static bool iwl_is_channel_extension(struct iwl_priv *priv, @@ -323,9 +320,9 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx) u16 beacon_int; struct ieee80211_vif *vif = ctx->vif; - conf = ieee80211_get_hw_conf(priv->hw); + conf = &priv->hw->conf; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd)); @@ -359,7 +356,7 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx) beacon_int = le16_to_cpu(ctx->timing.beacon_interval); } else { beacon_int = iwl_adjust_beacon_interval(beacon_int, - priv->hw_params.max_beacon_itrvl * TIME_UNIT); + IWL_MAX_UCODE_BEACON_INTERVAL * TIME_UNIT); ctx->timing.beacon_interval = cpu_to_le16(beacon_int); } @@ -378,7 +375,7 @@ int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx) le32_to_cpu(ctx->timing.beacon_init_val), le16_to_cpu(ctx->timing.atim_window)); - return trans_send_cmd_pdu(&priv->trans, ctx->rxon_timing_cmd, + return iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_timing_cmd, CMD_SYNC, sizeof(ctx->timing), &ctx->timing); } @@ -804,21 +801,23 @@ void iwl_chswitch_done(struct iwl_priv *priv, bool is_success) { /* * MULTI-FIXME - * See iwl_mac_channel_switch. + * See iwlagn_mac_channel_switch. */ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; - if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) + if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, + &priv->shrd->status)) ieee80211_chswitch_done(ctx->vif, is_success); } #ifdef CONFIG_IWLWIFI_DEBUG void iwl_print_rx_config_cmd(struct iwl_priv *priv, - struct iwl_rxon_context *ctx) + enum iwl_rxon_context_id ctxid) { + struct iwl_rxon_context *ctx = &priv->contexts[ctxid]; struct iwl_rxon_cmd *rxon = &ctx->staging; IWL_DEBUG_RADIO(priv, "RX CONFIG:\n"); @@ -856,18 +855,18 @@ void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) unsigned long reload_jiffies; /* Set the FW error flag -- cleared on iwl_down */ - set_bit(STATUS_FW_ERROR, &priv->status); + set_bit(STATUS_FW_ERROR, &priv->shrd->status); /* Cancel currently queued command. */ - clear_bit(STATUS_HCMD_ACTIVE, &priv->status); + clear_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status); iwlagn_abort_notification_waits(priv); /* Keep the restart process from trying to send host * commands by clearing the ready bit */ - clear_bit(STATUS_READY, &priv->status); + clear_bit(STATUS_READY, &priv->shrd->status); - wake_up_interruptible(&priv->wait_command_queue); + wake_up(&priv->shrd->wait_command_queue); if (!ondemand) { /* @@ -890,63 +889,26 @@ void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand) priv->reload_count = 0; } - if (!test_bit(STATUS_EXIT_PENDING, &priv->status)) { + if (!test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) { if (iwlagn_mod_params.restart_fw) { - IWL_DEBUG(priv, IWL_DL_FW_ERRORS, + IWL_DEBUG_FW_ERRORS(priv, "Restarting adapter due to uCode error.\n"); - queue_work(priv->workqueue, &priv->restart); + queue_work(priv->shrd->workqueue, &priv->restart); } else - IWL_DEBUG(priv, IWL_DL_FW_ERRORS, + IWL_DEBUG_FW_ERRORS(priv, "Detected FW error, but not restarting\n"); } } -/** - * iwl_irq_handle_error - called for HW or SW error interrupt from card - */ -void iwl_irq_handle_error(struct iwl_priv *priv) -{ - /* W/A for WiFi/WiMAX coex and WiMAX own the RF */ - if (priv->cfg->internal_wimax_coex && - (!(iwl_read_prph(priv, APMG_CLK_CTRL_REG) & - APMS_CLK_VAL_MRB_FUNC_MODE) || - (iwl_read_prph(priv, APMG_PS_CTRL_REG) & - APMG_PS_CTRL_VAL_RESET_REQ))) { - /* - * Keep the restart process from trying to send host - * commands by clearing the ready bit. - */ - clear_bit(STATUS_READY, &priv->status); - clear_bit(STATUS_HCMD_ACTIVE, &priv->status); - wake_up_interruptible(&priv->wait_command_queue); - IWL_ERR(priv, "RF is used by WiMAX\n"); - return; - } - - IWL_ERR(priv, "Loaded firmware version: %s\n", - priv->hw->wiphy->fw_version); - - iwl_dump_nic_error_log(priv); - iwl_dump_csr(priv); - iwl_dump_fh(priv, NULL, false); - iwl_dump_nic_event_log(priv, false, NULL, false); -#ifdef CONFIG_IWLWIFI_DEBUG - if (iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) - iwl_print_rx_config_cmd(priv, - &priv->contexts[IWL_RXON_CTX_BSS]); -#endif - - iwlagn_fw_error(priv, false); -} - static int iwl_apm_stop_master(struct iwl_priv *priv) { int ret = 0; /* stop device's busmaster DMA activity */ - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); + iwl_set_bit(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_STOP_MASTER); - ret = iwl_poll_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_MASTER_DISABLED, + ret = iwl_poll_bit(bus(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"); @@ -960,13 +922,13 @@ void iwl_apm_stop(struct iwl_priv *priv) { IWL_DEBUG_INFO(priv, "Stop card, put in low power state\n"); - clear_bit(STATUS_DEVICE_ENABLED, &priv->status); + clear_bit(STATUS_DEVICE_ENABLED, &priv->shrd->status); /* Stop device's DMA activity */ iwl_apm_stop_master(priv); /* Reset the entire device */ - iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); + iwl_set_bit(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); udelay(10); @@ -974,7 +936,7 @@ void iwl_apm_stop(struct iwl_priv *priv) * 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); + iwl_clear_bit(bus(priv), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); } @@ -994,45 +956,45 @@ int iwl_apm_init(struct iwl_priv *priv) */ /* Disable L0S exit timer (platform NMI Work/Around) */ - iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS, + iwl_set_bit(bus(priv), CSR_GIO_CHICKEN_BITS, CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER); /* * Disable L0s without affecting L1; * don't wait for ICH L0s (ICH bug W/A) */ - iwl_set_bit(priv, CSR_GIO_CHICKEN_BITS, + iwl_set_bit(bus(priv), CSR_GIO_CHICKEN_BITS, CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX); /* Set FH wait threshold to maximum (HW error during stress W/A) */ - iwl_set_bit(priv, CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL); + iwl_set_bit(bus(priv), CSR_DBG_HPET_MEM_REG, CSR_DBG_HPET_MEM_REG_VAL); /* * Enable HAP INTA (interrupt from management bus) to * wake device's PCI Express link L1a -> L0s */ - iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG, + iwl_set_bit(bus(priv), CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A); - bus_apm_config(priv->bus); + bus_apm_config(bus(priv)); /* Configure analog phase-lock-loop before activating to D0A */ if (priv->cfg->base_params->pll_cfg_val) - iwl_set_bit(priv, CSR_ANA_PLL_CFG, + iwl_set_bit(bus(priv), CSR_ANA_PLL_CFG, priv->cfg->base_params->pll_cfg_val); /* * Set "initialization complete" bit to move adapter from * D0U* --> D0A* (powered-up active) state. */ - iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + iwl_set_bit(bus(priv), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); /* * Wait for clock stabilization; once stabilized, access to * device-internal resources is supported, e.g. iwl_write_prph() * and accesses to uCode SRAM. */ - ret = iwl_poll_bit(priv, CSR_GP_CNTRL, + ret = iwl_poll_bit(bus(priv), CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY, 25000); if (ret < 0) { @@ -1047,14 +1009,14 @@ int iwl_apm_init(struct iwl_priv *priv) * do not disable clocks. This preserves any hardware bits already * set by default in "CLK_CTRL_REG" after reset. */ - iwl_write_prph(priv, APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT); + iwl_write_prph(bus(priv), APMG_CLK_EN_REG, APMG_CLK_VAL_DMA_CLK_RQT); udelay(20); /* Disable L1-Active */ - iwl_set_bits_prph(priv, APMG_PCIDEV_STT_REG, + iwl_set_bits_prph(bus(priv), APMG_PCIDEV_STT_REG, APMG_PCIDEV_STT_VAL_L1_ACT_DIS); - set_bit(STATUS_DEVICE_ENABLED, &priv->status); + set_bit(STATUS_DEVICE_ENABLED, &priv->shrd->status); out: return ret; @@ -1068,7 +1030,7 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) bool defer; struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - lockdep_assert_held(&priv->mutex); + lockdep_assert_held(&priv->shrd->mutex); if (priv->tx_power_user_lmt == tx_power && !force) return 0; @@ -1088,7 +1050,7 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) return -EINVAL; } - if (!iwl_is_ready_rf(priv)) + if (!iwl_is_ready_rf(priv->shrd)) return -EIO; /* scan complete and commit_rxon use tx_power_next value, @@ -1096,7 +1058,7 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force) priv->tx_power_next = tx_power; /* do not set tx power when scanning or channel changing */ - defer = test_bit(STATUS_SCANNING, &priv->status) || + defer = test_bit(STATUS_SCANNING, &priv->shrd->status) || memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging)); if (defer && !force) { IWL_DEBUG_INFO(priv, "Deferring tx power set\n"); @@ -1134,7 +1096,7 @@ void iwl_send_bt_config(struct iwl_priv *priv) IWL_DEBUG_INFO(priv, "BT coex %s\n", (bt_cmd.flags == BT_COEX_DISABLE) ? "disable" : "active"); - if (trans_send_cmd_pdu(&priv->trans, REPLY_BT_CONFIG, + if (iwl_trans_send_cmd_pdu(trans(priv), REPLY_BT_CONFIG, CMD_SYNC, sizeof(struct iwl_bt_cmd), &bt_cmd)) IWL_ERR(priv, "failed to send BT Coex Config\n"); } @@ -1147,233 +1109,19 @@ int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear) }; if (flags & CMD_ASYNC) - return trans_send_cmd_pdu(&priv->trans, REPLY_STATISTICS_CMD, + return iwl_trans_send_cmd_pdu(trans(priv), REPLY_STATISTICS_CMD, CMD_ASYNC, sizeof(struct iwl_statistics_cmd), &statistics_cmd); else - return trans_send_cmd_pdu(&priv->trans, REPLY_STATISTICS_CMD, + return iwl_trans_send_cmd_pdu(trans(priv), REPLY_STATISTICS_CMD, CMD_SYNC, sizeof(struct iwl_statistics_cmd), &statistics_cmd); } -void iwl_clear_isr_stats(struct iwl_priv *priv) -{ - memset(&priv->isr_stats, 0, sizeof(priv->isr_stats)); -} - -int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, - const struct ieee80211_tx_queue_params *params) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_rxon_context *ctx; - unsigned long flags; - int q; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - if (!iwl_is_ready_rf(priv)) { - IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); - return -EIO; - } - - if (queue >= AC_NUM) { - IWL_DEBUG_MAC80211(priv, "leave - queue >= AC_NUM %d\n", queue); - return 0; - } - - q = AC_NUM - 1 - queue; - - spin_lock_irqsave(&priv->lock, flags); - - /* - * MULTI-FIXME - * This may need to be done per interface in nl80211/cfg80211/mac80211. - */ - for_each_context(priv, ctx) { - ctx->qos_data.def_qos_parm.ac[q].cw_min = - cpu_to_le16(params->cw_min); - ctx->qos_data.def_qos_parm.ac[q].cw_max = - cpu_to_le16(params->cw_max); - ctx->qos_data.def_qos_parm.ac[q].aifsn = params->aifs; - ctx->qos_data.def_qos_parm.ac[q].edca_txop = - cpu_to_le16((params->txop * 32)); - - ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0; - } - - spin_unlock_irqrestore(&priv->lock, flags); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - return 0; -} - -int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw) -{ - struct iwl_priv *priv = hw->priv; - - return priv->ibss_manager == IWL_IBSS_MANAGER; -} - -static int iwl_set_mode(struct iwl_priv *priv, struct iwl_rxon_context *ctx) -{ - iwl_connection_init_rx_config(priv, ctx); - - iwlagn_set_rxon_chain(priv, ctx); - - return iwlagn_commit_rxon(priv, ctx); -} - -static int iwl_setup_interface(struct iwl_priv *priv, - struct iwl_rxon_context *ctx) -{ - struct ieee80211_vif *vif = ctx->vif; - int err; - - lockdep_assert_held(&priv->mutex); - - /* - * This variable will be correct only when there's just - * a single context, but all code using it is for hardware - * that supports only one context. - */ - priv->iw_mode = vif->type; - - ctx->is_active = true; - - err = iwl_set_mode(priv, ctx); - if (err) { - if (!ctx->always_active) - ctx->is_active = false; - return err; - } - - if (priv->cfg->bt_params && priv->cfg->bt_params->advanced_bt_coexist && - vif->type == NL80211_IFTYPE_ADHOC) { - /* - * pretend to have high BT traffic as long as we - * are operating in IBSS mode, as this will cause - * the rate scaling etc. to behave as intended. - */ - priv->bt_traffic_load = IWL_BT_COEX_TRAFFIC_LOAD_HIGH; - } - - return 0; -} - -int iwl_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv; - struct iwl_rxon_context *tmp, *ctx = NULL; - int err; - enum nl80211_iftype viftype = ieee80211_vif_type_p2p(vif); - IWL_DEBUG_MAC80211(priv, "enter: type %d, addr %pM\n", - viftype, vif->addr); - mutex_lock(&priv->mutex); - - if (!iwl_is_ready_rf(priv)) { - IWL_WARN(priv, "Try to add interface when device not ready\n"); - err = -EINVAL; - goto out; - } - - for_each_context(priv, tmp) { - u32 possible_modes = - tmp->interface_modes | tmp->exclusive_interface_modes; - - if (tmp->vif) { - /* check if this busy context is exclusive */ - if (tmp->exclusive_interface_modes & - BIT(tmp->vif->type)) { - err = -EINVAL; - goto out; - } - continue; - } - - if (!(possible_modes & BIT(viftype))) - continue; - - /* have maybe usable context w/o interface */ - ctx = tmp; - break; - } - - if (!ctx) { - err = -EOPNOTSUPP; - goto out; - } - - vif_priv->ctx = ctx; - ctx->vif = vif; - - err = iwl_setup_interface(priv, ctx); - if (!err) - goto out; - - ctx->vif = NULL; - priv->iw_mode = NL80211_IFTYPE_STATION; - out: - mutex_unlock(&priv->mutex); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - return err; -} - -static void iwl_teardown_interface(struct iwl_priv *priv, - struct ieee80211_vif *vif, - bool mode_change) -{ - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - - lockdep_assert_held(&priv->mutex); - - if (priv->scan_vif == vif) { - iwl_scan_cancel_timeout(priv, 200); - iwl_force_scan_end(priv); - } - - if (!mode_change) { - iwl_set_mode(priv, ctx); - if (!ctx->always_active) - ctx->is_active = false; - } - - /* - * When removing the IBSS interface, overwrite the - * BT traffic load with the stored one from the last - * notification, if any. If this is a device that - * doesn't implement this, this has no effect since - * both values are the same and zero. - */ - if (vif->type == NL80211_IFTYPE_ADHOC) - priv->bt_traffic_load = priv->last_bt_traffic_load; -} - -void iwl_mac_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - mutex_lock(&priv->mutex); - - WARN_ON(ctx->vif != vif); - ctx->vif = NULL; - - iwl_teardown_interface(priv, vif, false); - - mutex_unlock(&priv->mutex); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - -} #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -1393,7 +1141,7 @@ int iwl_alloc_traffic_mem(struct iwl_priv *priv) { u32 traffic_size = IWL_TRAFFIC_DUMP_SIZE; - if (iwl_debug_level & IWL_DL_TX) { + if (iwl_get_debug_level(priv->shrd) & IWL_DL_TX) { if (!priv->tx_traffic) { priv->tx_traffic = kzalloc(traffic_size, GFP_KERNEL); @@ -1401,7 +1149,7 @@ int iwl_alloc_traffic_mem(struct iwl_priv *priv) return -ENOMEM; } } - if (iwl_debug_level & IWL_DL_RX) { + if (iwl_get_debug_level(priv->shrd) & IWL_DL_RX) { if (!priv->rx_traffic) { priv->rx_traffic = kzalloc(traffic_size, GFP_KERNEL); @@ -1428,7 +1176,7 @@ void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv, __le16 fc; u16 len; - if (likely(!(iwl_debug_level & IWL_DL_TX))) + if (likely(!(iwl_get_debug_level(priv->shrd) & IWL_DL_TX))) return; if (!priv->tx_traffic) @@ -1452,7 +1200,7 @@ void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv, __le16 fc; u16 len; - if (likely(!(iwl_debug_level & IWL_DL_RX))) + if (likely(!(iwl_get_debug_level(priv->shrd) & IWL_DL_RX))) return; if (!priv->rx_traffic) @@ -1609,7 +1357,7 @@ void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len) static void iwl_force_rf_reset(struct iwl_priv *priv) { - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return; if (!iwl_is_any_associated(priv)) { @@ -1634,7 +1382,7 @@ int iwl_force_reset(struct iwl_priv *priv, int mode, bool external) { struct iwl_force_reset *force_reset; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) return -EINVAL; if (mode >= IWL_MAX_FORCE_RESET) { @@ -1680,113 +1428,31 @@ int iwl_force_reset(struct iwl_priv *priv, int mode, bool external) return 0; } -int iwl_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - enum nl80211_iftype newtype, bool newp2p) -{ - struct iwl_priv *priv = hw->priv; - struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); - struct iwl_rxon_context *bss_ctx = &priv->contexts[IWL_RXON_CTX_BSS]; - struct iwl_rxon_context *tmp; - enum nl80211_iftype newviftype = newtype; - u32 interface_modes; - int err; - - newtype = ieee80211_iftype_p2p(newtype, newp2p); - - mutex_lock(&priv->mutex); - - if (!ctx->vif || !iwl_is_ready_rf(priv)) { - /* - * Huh? But wait ... this can maybe happen when - * we're in the middle of a firmware restart! - */ - err = -EBUSY; - goto out; - } - - interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes; - - if (!(interface_modes & BIT(newtype))) { - err = -EBUSY; - goto out; - } - - /* - * Refuse a change that should be done by moving from the PAN - * context to the BSS context instead, if the BSS context is - * available and can support the new interface type. - */ - if (ctx->ctxid == IWL_RXON_CTX_PAN && !bss_ctx->vif && - (bss_ctx->interface_modes & BIT(newtype) || - bss_ctx->exclusive_interface_modes & BIT(newtype))) { - BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); - err = -EBUSY; - goto out; - } - - if (ctx->exclusive_interface_modes & BIT(newtype)) { - for_each_context(priv, tmp) { - if (ctx == tmp) - continue; - - if (!tmp->vif) - continue; - - /* - * The current mode switch would be exclusive, but - * another context is active ... refuse the switch. - */ - err = -EBUSY; - goto out; - } - } - - /* success */ - iwl_teardown_interface(priv, vif, true); - vif->type = newviftype; - vif->p2p = newp2p; - err = iwl_setup_interface(priv, ctx); - WARN_ON(err); - /* - * We've switched internally, but submitting to the - * device may have failed for some reason. Mask this - * error, because otherwise mac80211 will not switch - * (and set the interface type back) and we'll be - * out of sync with it. - */ - err = 0; - out: - mutex_unlock(&priv->mutex); - return err; -} - -/* - * On every watchdog tick we check (latest) time stamp. If it does not - * change during timeout period and queue is not empty we reset firmware. - */ -static int iwl_check_stuck_queue(struct iwl_priv *priv, int cnt) +int iwl_cmd_echo_test(struct iwl_priv *priv) { - struct iwl_tx_queue *txq = &priv->txq[cnt]; - struct iwl_queue *q = &txq->q; - unsigned long timeout; int ret; + struct iwl_host_cmd cmd = { + .id = REPLY_ECHO, + .len = { 0 }, + .flags = CMD_SYNC, + }; - if (q->read_ptr == q->write_ptr) { - txq->time_stamp = jiffies; - return 0; - } - - timeout = txq->time_stamp + - msecs_to_jiffies(priv->cfg->base_params->wd_timeout); + ret = iwl_trans_send_cmd(trans(priv), &cmd); + if (ret) + IWL_ERR(priv, "echo testing fail: 0X%x\n", ret); + else + IWL_DEBUG_INFO(priv, "echo testing pass\n"); + return ret; +} - if (time_after(jiffies, timeout)) { - IWL_ERR(priv, "Queue %d stuck for %u ms.\n", - q->id, priv->cfg->base_params->wd_timeout); +static inline int iwl_check_stuck_queue(struct iwl_priv *priv, int txq) +{ + if (iwl_trans_check_stuck_queue(trans(priv), txq)) { + int ret; ret = iwl_force_reset(priv, IWL_FW_RESET, false); return (ret == -EAGAIN) ? 0 : 1; } - return 0; } @@ -1806,7 +1472,10 @@ void iwl_bg_watchdog(unsigned long data) int cnt; unsigned long timeout; - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) + if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) + return; + + if (iwl_is_rfkill(priv->shrd)) return; timeout = priv->cfg->base_params->wd_timeout; @@ -1814,14 +1483,14 @@ void iwl_bg_watchdog(unsigned long data) return; /* monitor and check for stuck cmd queue */ - if (iwl_check_stuck_queue(priv, priv->cmd_queue)) + if (iwl_check_stuck_queue(priv, priv->shrd->cmd_queue)) return; /* monitor and check for other stuck queues */ if (iwl_is_any_associated(priv)) { - for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) { + for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++) { /* skip as we already checked the command queue */ - if (cnt == priv->cmd_queue) + if (cnt == priv->shrd->cmd_queue) continue; if (iwl_check_stuck_queue(priv, cnt)) return; @@ -1843,6 +1512,28 @@ void iwl_setup_watchdog(struct iwl_priv *priv) del_timer(&priv->watchdog); } +/** + * iwl_beacon_time_mask_low - mask of lower 32 bit of beacon time + * @priv -- pointer to iwl_priv data structure + * @tsf_bits -- number of bits need to shift for masking) + */ +static inline u32 iwl_beacon_time_mask_low(struct iwl_priv *priv, + u16 tsf_bits) +{ + return (1 << tsf_bits) - 1; +} + +/** + * iwl_beacon_time_mask_high - mask of higher 32 bit of beacon time + * @priv -- pointer to iwl_priv data structure + * @tsf_bits -- number of bits need to shift for masking) + */ +static inline u32 iwl_beacon_time_mask_high(struct iwl_priv *priv, + u16 tsf_bits) +{ + return ((1 << (32 - tsf_bits)) - 1) << tsf_bits; +} + /* * extended beacon time format * time in usec will be changed into a 32-bit value in extended:internal format @@ -1859,13 +1550,12 @@ u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval) return 0; quot = (usec / interval) & - (iwl_beacon_time_mask_high(priv, - priv->hw_params.beacon_time_tsf_bits) >> - priv->hw_params.beacon_time_tsf_bits); + (iwl_beacon_time_mask_high(priv, IWLAGN_EXT_BEACON_TIME_POS) >> + IWLAGN_EXT_BEACON_TIME_POS); rem = (usec % interval) & iwl_beacon_time_mask_low(priv, - priv->hw_params.beacon_time_tsf_bits); + IWLAGN_EXT_BEACON_TIME_POS); - return (quot << priv->hw_params.beacon_time_tsf_bits) + rem; + return (quot << IWLAGN_EXT_BEACON_TIME_POS) + rem; } /* base is usually what we get from ucode with each received frame, @@ -1875,64 +1565,80 @@ __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base, u32 addon, u32 beacon_interval) { u32 base_low = base & iwl_beacon_time_mask_low(priv, - priv->hw_params.beacon_time_tsf_bits); + IWLAGN_EXT_BEACON_TIME_POS); u32 addon_low = addon & iwl_beacon_time_mask_low(priv, - priv->hw_params.beacon_time_tsf_bits); + IWLAGN_EXT_BEACON_TIME_POS); u32 interval = beacon_interval * TIME_UNIT; u32 res = (base & iwl_beacon_time_mask_high(priv, - priv->hw_params.beacon_time_tsf_bits)) + + IWLAGN_EXT_BEACON_TIME_POS)) + (addon & iwl_beacon_time_mask_high(priv, - priv->hw_params.beacon_time_tsf_bits)); + IWLAGN_EXT_BEACON_TIME_POS)); if (base_low > addon_low) res += base_low - addon_low; else if (base_low < addon_low) { res += interval + base_low - addon_low; - res += (1 << priv->hw_params.beacon_time_tsf_bits); + res += (1 << IWLAGN_EXT_BEACON_TIME_POS); } else - res += (1 << priv->hw_params.beacon_time_tsf_bits); + res += (1 << IWLAGN_EXT_BEACON_TIME_POS); return cpu_to_le32(res); } -#ifdef CONFIG_PM +void iwl_start_tx_ba_trans_ready(struct iwl_priv *priv, + enum iwl_rxon_context_id ctx, + u8 sta_id, u8 tid) +{ + struct ieee80211_vif *vif; + u8 *addr = priv->stations[sta_id].sta.sta.addr; + + if (ctx == NUM_IWL_RXON_CTX) + ctx = priv->stations[sta_id].ctxid; + vif = priv->contexts[ctx].vif; -int iwl_suspend(struct iwl_priv *priv) + ieee80211_start_tx_ba_cb_irqsafe(vif, addr, tid); +} + +void iwl_stop_tx_ba_trans_ready(struct iwl_priv *priv, + enum iwl_rxon_context_id ctx, + u8 sta_id, u8 tid) { - /* - * This function is called when system goes into suspend state - * mac80211 will call iwl_mac_stop() from the mac80211 suspend function - * first but since iwl_mac_stop() has no knowledge of who the caller is, - * it will not call apm_ops.stop() to stop the DMA operation. - * Calling apm_ops.stop here to make sure we stop the DMA. - * - * But of course ... if we have configured WoWLAN then we did other - * things already :-) - */ - if (!priv->wowlan) - iwl_apm_stop(priv); + struct ieee80211_vif *vif; + u8 *addr = priv->stations[sta_id].sta.sta.addr; - return 0; + if (ctx == NUM_IWL_RXON_CTX) + ctx = priv->stations[sta_id].ctxid; + vif = priv->contexts[ctx].vif; + + ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid); } -int iwl_resume(struct iwl_priv *priv) +void iwl_set_hw_rfkill_state(struct iwl_priv *priv, bool state) { - bool hw_rfkill = false; + wiphy_rfkill_set_hw_state(priv->hw->wiphy, state); +} - iwl_enable_interrupts(priv); +void iwl_nic_config(struct iwl_priv *priv) +{ + priv->cfg->lib->nic_config(priv); - if (!(iwl_read32(priv, CSR_GP_CNTRL) & - CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) - hw_rfkill = true; +} - if (hw_rfkill) - set_bit(STATUS_RF_KILL_HW, &priv->status); - else - clear_bit(STATUS_RF_KILL_HW, &priv->status); +void iwl_free_skb(struct iwl_priv *priv, struct sk_buff *skb) +{ + struct ieee80211_tx_info *info; - wiphy_rfkill_set_hw_state(priv->hw->wiphy, hw_rfkill); + info = IEEE80211_SKB_CB(skb); + kmem_cache_free(priv->tx_cmd_pool, (info->driver_data[1])); + dev_kfree_skb_any(skb); +} - return 0; +void iwl_stop_sw_queue(struct iwl_priv *priv, u8 ac) +{ + ieee80211_stop_queue(priv->hw, ac); } -#endif /* CONFIG_PM */ +void iwl_wake_sw_queue(struct iwl_priv *priv, u8 ac) +{ + ieee80211_wake_queue(priv->hw, ac); +}