diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 791 |
1 files changed, 57 insertions, 734 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 1ef4192207a5..277dfc57fde9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -102,7 +102,7 @@ MODULE_ALIAS("iwl4965"); * function correctly transitions out of the RXON_ASSOC_MSK state if * a HW tune is required based on the RXON structure changes. */ -static int iwl_commit_rxon(struct iwl_priv *priv) +int iwl_commit_rxon(struct iwl_priv *priv) { /* cast away the const for active_rxon in this function */ struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon; @@ -188,7 +188,7 @@ static int iwl_commit_rxon(struct iwl_priv *priv) memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon)); } - iwl_clear_stations_table(priv); + priv->cfg->ops->smgmt->clear_station_table(priv); if (!priv->error_recovering) priv->start_calib = 0; @@ -246,8 +246,9 @@ static int iwl_commit_rxon(struct iwl_priv *priv) void iwl_update_chain_flags(struct iwl_priv *priv) { - iwl_set_rxon_chain(priv); - iwl_commit_rxon(priv); + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv); + iwlcore_commit_rxon(priv); } static void iwl_clear_free_frames(struct iwl_priv *priv) @@ -531,76 +532,6 @@ int iwl_hw_tx_queue_init(struct iwl_priv *priv, * ******************************************************************************/ -static void iwl_ht_conf(struct iwl_priv *priv, - struct ieee80211_bss_conf *bss_conf) -{ - struct ieee80211_sta_ht_cap *ht_conf; - struct iwl_ht_info *iwl_conf = &priv->current_ht_config; - struct ieee80211_sta *sta; - - IWL_DEBUG_MAC80211(priv, "enter: \n"); - - if (!iwl_conf->is_ht) - return; - - - /* - * It is totally wrong to base global information on something - * that is valid only when associated, alas, this driver works - * that way and I don't know how to fix it. - */ - - rcu_read_lock(); - sta = ieee80211_find_sta(priv->hw, priv->bssid); - if (!sta) { - rcu_read_unlock(); - return; - } - ht_conf = &sta->ht_cap; - - if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20) - iwl_conf->sgf |= HT_SHORT_GI_20MHZ; - if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40) - iwl_conf->sgf |= HT_SHORT_GI_40MHZ; - - iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD); - iwl_conf->max_amsdu_size = - !!(ht_conf->cap & IEEE80211_HT_CAP_MAX_AMSDU); - - iwl_conf->supported_chan_width = - !!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40); - - /* - * XXX: The HT configuration needs to be moved into iwl_mac_config() - * to be done there correctly. - */ - - iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE; - if (conf_is_ht40_minus(&priv->hw->conf)) - iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW; - else if (conf_is_ht40_plus(&priv->hw->conf)) - iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - - /* If no above or below channel supplied disable FAT channel */ - if (iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_ABOVE && - iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_BELOW) - iwl_conf->supported_chan_width = 0; - - iwl_conf->sm_ps = (u8)((ht_conf->cap & IEEE80211_HT_CAP_SM_PS) >> 2); - - memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16); - - iwl_conf->tx_chan_width = iwl_conf->supported_chan_width != 0; - iwl_conf->ht_protection = - bss_conf->ht.operation_mode & IEEE80211_HT_OP_MODE_PROTECTION; - iwl_conf->non_GF_STA_present = - !!(bss_conf->ht.operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); - - rcu_read_unlock(); - - IWL_DEBUG_MAC80211(priv, "leave\n"); -} - #define MAX_UCODE_BEACON_INTERVAL 4096 static u16 iwl_adjust_beacon_interval(u16 beacon_val) @@ -657,30 +588,6 @@ static void iwl_setup_rxon_timing(struct iwl_priv *priv) le16_to_cpu(priv->rxon_timing.atim_window)); } -static int iwl_set_mode(struct iwl_priv *priv, int mode) -{ - iwl_connection_init_rx_config(priv, mode); - iwl_set_rxon_chain(priv); - memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); - - iwl_clear_stations_table(priv); - - /* dont commit rxon if rf-kill is on*/ - if (!iwl_is_ready_rf(priv)) - return -EAGAIN; - - cancel_delayed_work(&priv->scan_check); - if (iwl_scan_cancel_timeout(priv, 100)) { - IWL_WARN(priv, "Aborted scan still in progress after 100ms\n"); - IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n"); - return -EAGAIN; - } - - iwl_commit_rxon(priv); - - return 0; -} - /****************************************************************************** * * Generic RX handler implementations @@ -1002,6 +909,7 @@ void iwl_rx_handle(struct iwl_priv *priv) IWL_DEBUG_RX(priv, "r = %d, i = %d, %s, 0x%02x\n", r, i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd); priv->rx_handlers[pkt->hdr.cmd] (priv, rxb); + priv->isr_stats.rx_handlers[pkt->hdr.cmd]++; } else { /* No handling needed */ IWL_DEBUG_RX(priv, @@ -1065,7 +973,7 @@ static void iwl_error_recovery(struct iwl_priv *priv) memcpy(&priv->staging_rxon, &priv->recovery_rxon, sizeof(priv->staging_rxon)); priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwlcore_commit_rxon(priv); iwl_rxon_add_station(priv, priv->bssid, 1); @@ -1123,6 +1031,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) /* Tell the device to stop sending interrupts */ iwl_disable_interrupts(priv); + priv->isr_stats.hw++; iwl_irq_handle_error(priv); handled |= CSR_INT_BIT_HW_ERR; @@ -1135,13 +1044,17 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) #ifdef CONFIG_IWLWIFI_DEBUG if (priv->debug_level & (IWL_DL_ISR)) { /* NIC fires this, but we don't use it, redundant with WAKEUP */ - if (inta & CSR_INT_BIT_SCD) + if (inta & CSR_INT_BIT_SCD) { IWL_DEBUG_ISR(priv, "Scheduler finished to transmit " "the frame/frames.\n"); + priv->isr_stats.sch++; + } /* Alive notification via Rx interrupt will do the real work */ - if (inta & CSR_INT_BIT_ALIVE) + if (inta & CSR_INT_BIT_ALIVE) { IWL_DEBUG_ISR(priv, "Alive interrupt\n"); + priv->isr_stats.alive++; + } } #endif /* Safely ignore these bits for debug checks below */ @@ -1157,6 +1070,8 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) IWL_DEBUG_RF_KILL(priv, "RF_KILL bit toggled to %s.\n", hw_rf_kill ? "disable radio" : "enable radio"); + priv->isr_stats.rfkill++; + /* driver only loads ucode once setting the interface up. * the driver allows loading the ucode even if the radio * is killed. Hence update the killswitch state here. The @@ -1176,6 +1091,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) /* Chip got too hot and stopped itself */ if (inta & CSR_INT_BIT_CT_KILL) { IWL_ERR(priv, "Microcode CT kill error detected.\n"); + priv->isr_stats.ctkill++; handled |= CSR_INT_BIT_CT_KILL; } @@ -1183,6 +1099,8 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) if (inta & CSR_INT_BIT_SW_ERR) { IWL_ERR(priv, "Microcode SW error detected. " " Restarting 0x%X.\n", inta); + priv->isr_stats.sw++; + priv->isr_stats.sw_err = inta; iwl_irq_handle_error(priv); handled |= CSR_INT_BIT_SW_ERR; } @@ -1198,6 +1116,8 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) iwl_txq_update_write_ptr(priv, &priv->txq[4]); iwl_txq_update_write_ptr(priv, &priv->txq[5]); + priv->isr_stats.wakeup++; + handled |= CSR_INT_BIT_WAKEUP; } @@ -1206,19 +1126,23 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) * notifications from uCode come through here*/ if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) { iwl_rx_handle(priv); + priv->isr_stats.rx++; handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX); } if (inta & CSR_INT_BIT_FH_TX) { IWL_DEBUG_ISR(priv, "Tx interrupt\n"); + priv->isr_stats.tx++; handled |= CSR_INT_BIT_FH_TX; /* FH finished to write, send event */ priv->ucode_write_complete = 1; wake_up_interruptible(&priv->wait_command_queue); } - if (inta & ~handled) + if (inta & ~handled) { IWL_ERR(priv, "Unhandled INTA bits 0x%08x\n", inta & ~handled); + priv->isr_stats.unhandled++; + } if (inta & ~CSR_INI_SET_MASK) { IWL_WARN(priv, "Disabled INTA bits 0x%08x were pending\n", @@ -1243,6 +1167,7 @@ static void iwl_irq_tasklet(struct iwl_priv *priv) spin_unlock_irqrestore(&priv->lock, flags); } + /****************************************************************************** * * uCode download functions @@ -1508,10 +1433,6 @@ static int iwl_read_ucode(struct iwl_priv *priv) return ret; } -/* temporary */ -static int iwl_mac_beacon_update(struct ieee80211_hw *hw, - struct sk_buff *skb); - /** * iwl_alive_start - called after REPLY_ALIVE notification received * from protocol/runtime uCode (initialization uCode's @@ -1540,7 +1461,7 @@ static void iwl_alive_start(struct iwl_priv *priv) goto restart; } - iwl_clear_stations_table(priv); + priv->cfg->ops->smgmt->clear_station_table(priv); ret = priv->cfg->ops->lib->alive_notify(priv); if (ret) { IWL_WARN(priv, @@ -1568,7 +1489,10 @@ static void iwl_alive_start(struct iwl_priv *priv) } else { /* Initialize our rx_config data */ iwl_connection_init_rx_config(priv, priv->iw_mode); - iwl_set_rxon_chain(priv); + + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv); + memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN); } @@ -1578,7 +1502,7 @@ static void iwl_alive_start(struct iwl_priv *priv) iwl_reset_run_time_calib(priv); /* Configure the adapter for unassociated operation */ - iwl_commit_rxon(priv); + iwlcore_commit_rxon(priv); /* At this point, the NIC is initialized and operational */ iwl_rf_kill_ct_config(priv); @@ -1626,7 +1550,7 @@ static void __iwl_down(struct iwl_priv *priv) iwl_leds_unregister(priv); - iwl_clear_stations_table(priv); + priv->cfg->ops->smgmt->clear_station_table(priv); /* Unblock any waiting calls */ wake_up_interruptible_all(&priv->wait_command_queue); @@ -1649,7 +1573,7 @@ static void __iwl_down(struct iwl_priv *priv) ieee80211_stop_queues(priv->hw); /* If we have not previously called iwl_init() then - * clear all bits but the RF Kill and SUSPEND bits and return */ + * clear all bits but the RF Kill bits and return */ if (!iwl_is_init(priv)) { priv->status = test_bit(STATUS_RF_KILL_HW, &priv->status) << STATUS_RF_KILL_HW | @@ -1657,23 +1581,19 @@ static void __iwl_down(struct iwl_priv *priv) STATUS_RF_KILL_SW | test_bit(STATUS_GEO_CONFIGURED, &priv->status) << STATUS_GEO_CONFIGURED | - test_bit(STATUS_IN_SUSPEND, &priv->status) << - STATUS_IN_SUSPEND | test_bit(STATUS_EXIT_PENDING, &priv->status) << STATUS_EXIT_PENDING; goto exit; } - /* ...otherwise clear out all the status bits but the RF Kill and - * SUSPEND bits and continue taking the NIC down. */ + /* ...otherwise clear out all the status bits but the RF Kill + * bits and continue taking the NIC down. */ priv->status &= test_bit(STATUS_RF_KILL_HW, &priv->status) << STATUS_RF_KILL_HW | test_bit(STATUS_RF_KILL_SW, &priv->status) << STATUS_RF_KILL_SW | test_bit(STATUS_GEO_CONFIGURED, &priv->status) << STATUS_GEO_CONFIGURED | - test_bit(STATUS_IN_SUSPEND, &priv->status) << - STATUS_IN_SUSPEND | test_bit(STATUS_FW_ERROR, &priv->status) << STATUS_FW_ERROR | test_bit(STATUS_EXIT_PENDING, &priv->status) << @@ -1698,7 +1618,7 @@ static void __iwl_down(struct iwl_priv *priv) udelay(5); /* FIXME: apm_ops.suspend(priv) */ - if (exit_pending || test_bit(STATUS_IN_SUSPEND, &priv->status)) + if (exit_pending) priv->cfg->ops->lib->apm_ops.stop(priv); else priv->cfg->ops->lib->apm_ops.reset(priv); @@ -1781,7 +1701,7 @@ static int __iwl_up(struct iwl_priv *priv) for (i = 0; i < MAX_HW_RESTARTS; i++) { - iwl_clear_stations_table(priv); + priv->cfg->ops->smgmt->clear_station_table(priv); /* load bootstrap state machine, * load bootstrap program into processor's memory, @@ -1910,7 +1830,7 @@ static void iwl_bg_rx_replenish(struct work_struct *data) #define IWL_DELAY_NEXT_SCAN (HZ*2) -static void iwl_post_associate(struct iwl_priv *priv) +void iwl_post_associate(struct iwl_priv *priv) { struct ieee80211_conf *conf = NULL; int ret = 0; @@ -1938,7 +1858,7 @@ static void iwl_post_associate(struct iwl_priv *priv) conf = ieee80211_get_hw_conf(priv->hw); priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwlcore_commit_rxon(priv); iwl_setup_rxon_timing(priv); ret = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING, @@ -1951,7 +1871,9 @@ static void iwl_post_associate(struct iwl_priv *priv) iwl_set_rxon_ht(priv, &priv->current_ht_config); - iwl_set_rxon_chain(priv); + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv); + priv->staging_rxon.assoc_id = cpu_to_le16(priv->assoc_id); IWL_DEBUG_ASSOC(priv, "assoc id %d beacon interval %d\n", @@ -1973,7 +1895,7 @@ static void iwl_post_associate(struct iwl_priv *priv) } - iwl_commit_rxon(priv); + iwlcore_commit_rxon(priv); switch (priv->iw_mode) { case NL80211_IFTYPE_STATION: @@ -2059,9 +1981,6 @@ static int iwl_mac_start(struct ieee80211_hw *hw) IWL_DEBUG_INFO(priv, "Start UP work done.\n"); - if (test_bit(STATUS_IN_SUSPEND, &priv->status)) - return 0; - /* Wait for START_ALIVE from Run Time ucode. Otherwise callbacks from * mac80211 will not be run successfully. */ ret = wait_event_interruptible_timeout(priv->wait_command_queue, @@ -2130,175 +2049,7 @@ static int iwl_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) return NETDEV_TX_OK; } -static int iwl_mac_add_interface(struct ieee80211_hw *hw, - struct ieee80211_if_init_conf *conf) -{ - struct iwl_priv *priv = hw->priv; - unsigned long flags; - - IWL_DEBUG_MAC80211(priv, "enter: type %d\n", conf->type); - - if (priv->vif) { - IWL_DEBUG_MAC80211(priv, "leave - vif != NULL\n"); - return -EOPNOTSUPP; - } - - spin_lock_irqsave(&priv->lock, flags); - priv->vif = conf->vif; - priv->iw_mode = conf->type; - - spin_unlock_irqrestore(&priv->lock, flags); - - mutex_lock(&priv->mutex); - - if (conf->mac_addr) { - IWL_DEBUG_MAC80211(priv, "Set %pM\n", conf->mac_addr); - memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN); - } - - if (iwl_set_mode(priv, conf->type) == -EAGAIN) - /* we are not ready, will run again when ready */ - set_bit(STATUS_MODE_PENDING, &priv->status); - - mutex_unlock(&priv->mutex); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - return 0; -} - -/** - * iwl_mac_config - mac80211 config callback - * - * We ignore conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME since it seems to - * be set inappropriately and the driver currently sets the hardware up to - * use it whenever needed. - */ -static int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) -{ - struct iwl_priv *priv = hw->priv; - const struct iwl_channel_info *ch_info; - struct ieee80211_conf *conf = &hw->conf; - unsigned long flags = 0; - int ret = 0; - u16 ch; - int scan_active = 0; - - mutex_lock(&priv->mutex); - IWL_DEBUG_MAC80211(priv, "enter to channel %d changed 0x%X\n", - conf->channel->hw_value, changed); - - if (unlikely(!priv->cfg->mod_params->disable_hw_scan && - test_bit(STATUS_SCANNING, &priv->status))) { - scan_active = 1; - IWL_DEBUG_MAC80211(priv, "leave - scanning\n"); - } - - - /* during scanning mac80211 will delay channel setting until - * scan finish with changed = 0 - */ - if (!changed || (changed & IEEE80211_CONF_CHANGE_CHANNEL)) { - if (scan_active) - goto set_ch_out; - - ch = ieee80211_frequency_to_channel(conf->channel->center_freq); - ch_info = iwl_get_channel_info(priv, conf->channel->band, ch); - if (!is_channel_valid(ch_info)) { - IWL_DEBUG_MAC80211(priv, "leave - invalid channel\n"); - ret = -EINVAL; - goto set_ch_out; - } - - if (priv->iw_mode == NL80211_IFTYPE_ADHOC && - !is_channel_ibss(ch_info)) { - IWL_ERR(priv, "channel %d in band %d not " - "IBSS channel\n", - conf->channel->hw_value, conf->channel->band); - ret = -EINVAL; - goto set_ch_out; - } - - priv->current_ht_config.is_ht = conf_is_ht(conf); - - spin_lock_irqsave(&priv->lock, flags); - - - /* if we are switching from ht to 2.4 clear flags - * from any ht related info since 2.4 does not - * support ht */ - if ((le16_to_cpu(priv->staging_rxon.channel) != ch)) - priv->staging_rxon.flags = 0; - - iwl_set_rxon_channel(priv, conf->channel); - - iwl_set_flags_for_band(priv, conf->channel->band); - spin_unlock_irqrestore(&priv->lock, flags); - set_ch_out: - /* The list of supported rates and rate mask can be different - * for each band; since the band may have changed, reset - * the rate mask to what mac80211 lists */ - iwl_set_rate(priv); - } - - if (changed & IEEE80211_CONF_CHANGE_PS) { - if (conf->flags & IEEE80211_CONF_PS) - ret = iwl_power_set_user_mode(priv, IWL_POWER_INDEX_3); - else - ret = iwl_power_set_user_mode(priv, IWL_POWER_MODE_CAM); - if (ret) - IWL_DEBUG_MAC80211(priv, "Error setting power level\n"); - - } - - if (changed & IEEE80211_CONF_CHANGE_POWER) { - IWL_DEBUG_MAC80211(priv, "TX Power old=%d new=%d\n", - priv->tx_power_user_lmt, conf->power_level); - - iwl_set_tx_power(priv, conf->power_level, false); - } - - /* call to ensure that 4965 rx_chain is set properly in monitor mode */ - iwl_set_rxon_chain(priv); - - if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED) { - if (conf->radio_enabled && - iwl_radio_kill_sw_enable_radio(priv)) { - IWL_DEBUG_MAC80211(priv, "leave - RF-KILL - " - "waiting for uCode\n"); - goto out; - } - - if (!conf->radio_enabled) - iwl_radio_kill_sw_disable_radio(priv); - } - - if (!conf->radio_enabled) { - IWL_DEBUG_MAC80211(priv, "leave - radio disabled\n"); - goto out; - } - - if (!iwl_is_ready(priv)) { - IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); - goto out; - } - - if (scan_active) - goto out; - - if (memcmp(&priv->active_rxon, - &priv->staging_rxon, sizeof(priv->staging_rxon))) - iwl_commit_rxon(priv); - else - IWL_DEBUG_INFO(priv, "No re-sending same RXON configuration.\n"); - - -out: - IWL_DEBUG_MAC80211(priv, "leave\n"); - mutex_unlock(&priv->mutex); - return ret; -} - -static void iwl_config_ap(struct iwl_priv *priv) +void iwl_config_ap(struct iwl_priv *priv) { int ret = 0; unsigned long flags; @@ -2311,7 +2062,7 @@ static void iwl_config_ap(struct iwl_priv *priv) /* RXON - unassoc (to set timing command) */ priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwlcore_commit_rxon(priv); /* RXON Timing */ iwl_setup_rxon_timing(priv); @@ -2321,7 +2072,8 @@ static void iwl_config_ap(struct iwl_priv *priv) IWL_WARN(priv, "REPLY_RXON_TIMING failed - " "Attempting to continue.\n"); - iwl_set_rxon_chain(priv); + if (priv->cfg->ops->hcmd->set_rxon_chain) + priv->cfg->ops->hcmd->set_rxon_chain(priv); /* FIXME: what should be the assoc_id for AP? */ priv->staging_rxon.assoc_id = cpu_to_le16(priv->assoc_id); @@ -2347,7 +2099,7 @@ static void iwl_config_ap(struct iwl_priv *priv) } /* restore RXON assoc */ priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); + iwlcore_commit_rxon(priv); spin_lock_irqsave(&priv->lock, flags); iwl_activate_qos(priv, 1); spin_unlock_irqrestore(&priv->lock, flags); @@ -2360,194 +2112,6 @@ static void iwl_config_ap(struct iwl_priv *priv) * clear sta table, add BCAST sta... */ } - -static int iwl_mac_config_interface(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_if_conf *conf) -{ - struct iwl_priv *priv = hw->priv; - int rc; - - if (conf == NULL) - return -EIO; - - if (priv->vif != vif) { - IWL_DEBUG_MAC80211(priv, "leave - priv->vif != vif\n"); - return 0; - } - - if (priv->iw_mode == NL80211_IFTYPE_ADHOC && - conf->changed & IEEE80211_IFCC_BEACON) { - struct sk_buff *beacon = ieee80211_beacon_get(hw, vif); - if (!beacon) - return -ENOMEM; - mutex_lock(&priv->mutex); - rc = iwl_mac_beacon_update(hw, beacon); - mutex_unlock(&priv->mutex); - if (rc) - return rc; - } - - if (!iwl_is_alive(priv)) - return -EAGAIN; - - mutex_lock(&priv->mutex); - - if (conf->bssid) - IWL_DEBUG_MAC80211(priv, "bssid: %pM\n", conf->bssid); - -/* - * very dubious code was here; the probe filtering flag is never set: - * - if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) && - !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) { - */ - - if (priv->iw_mode == NL80211_IFTYPE_AP) { - if (!conf->bssid) { - conf->bssid = priv->mac_addr; - memcpy(priv->bssid, priv->mac_addr, ETH_ALEN); - IWL_DEBUG_MAC80211(priv, "bssid was set to: %pM\n", - conf->bssid); - } - if (priv->ibss_beacon) - dev_kfree_skb(priv->ibss_beacon); - - priv->ibss_beacon = ieee80211_beacon_get(hw, vif); - } - - if (iwl_is_rfkill(priv)) - goto done; - - if (conf->bssid && !is_zero_ether_addr(conf->bssid) && - !is_multicast_ether_addr(conf->bssid)) { - /* If there is currently a HW scan going on in the background - * then we need to cancel it else the RXON below will fail. */ - if (iwl_scan_cancel_timeout(priv, 100)) { - IWL_WARN(priv, "Aborted scan still in progress " - "after 100ms\n"); - IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n"); - mutex_unlock(&priv->mutex); - return -EAGAIN; - } - memcpy(priv->staging_rxon.bssid_addr, conf->bssid, ETH_ALEN); - - /* TODO: Audit driver for usage of these members and see - * if mac80211 deprecates them (priv->bssid looks like it - * shouldn't be there, but I haven't scanned the IBSS code - * to verify) - jpk */ - memcpy(priv->bssid, conf->bssid, ETH_ALEN); - - if (priv->iw_mode == NL80211_IFTYPE_AP) - iwl_config_ap(priv); - else { - rc = iwl_commit_rxon(priv); - if ((priv->iw_mode == NL80211_IFTYPE_STATION) && rc) - iwl_rxon_add_station( - priv, priv->active_rxon.bssid_addr, 1); - } - - } else { - iwl_scan_cancel_timeout(priv, 100); - priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); - } - - done: - IWL_DEBUG_MAC80211(priv, "leave\n"); - mutex_unlock(&priv->mutex); - - return 0; -} - -static void iwl_mac_remove_interface(struct ieee80211_hw *hw, - struct ieee80211_if_init_conf *conf) -{ - struct iwl_priv *priv = hw->priv; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - mutex_lock(&priv->mutex); - - if (iwl_is_ready_rf(priv)) { - iwl_scan_cancel_timeout(priv, 100); - priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); - } - if (priv->vif == conf->vif) { - priv->vif = NULL; - memset(priv->bssid, 0, ETH_ALEN); - } - mutex_unlock(&priv->mutex); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - -} - -#define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6) -static void iwl_bss_info_changed(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *bss_conf, - u32 changes) -{ - struct iwl_priv *priv = hw->priv; - - IWL_DEBUG_MAC80211(priv, "changes = 0x%X\n", changes); - - if (changes & BSS_CHANGED_ERP_PREAMBLE) { - IWL_DEBUG_MAC80211(priv, "ERP_PREAMBLE %d\n", - bss_conf->use_short_preamble); - if (bss_conf->use_short_preamble) - priv->staging_rxon.flags |= RXON_FLG_SHORT_PREAMBLE_MSK; - else - priv->staging_rxon.flags &= ~RXON_FLG_SHORT_PREAMBLE_MSK; - } - - if (changes & BSS_CHANGED_ERP_CTS_PROT) { - IWL_DEBUG_MAC80211(priv, "ERP_CTS %d\n", bss_conf->use_cts_prot); - if (bss_conf->use_cts_prot && (priv->band != IEEE80211_BAND_5GHZ)) - priv->staging_rxon.flags |= RXON_FLG_TGG_PROTECT_MSK; - else - priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK; - } - - if (changes & BSS_CHANGED_HT) { - iwl_ht_conf(priv, bss_conf); - iwl_set_rxon_chain(priv); - } - - if (changes & BSS_CHANGED_ASSOC) { - IWL_DEBUG_MAC80211(priv, "ASSOC %d\n", bss_conf->assoc); - /* This should never happen as this function should - * never be called from interrupt context. */ - if (WARN_ON_ONCE(in_interrupt())) - return; - if (bss_conf->assoc) { - priv->assoc_id = bss_conf->aid; - priv->beacon_int = bss_conf->beacon_int; - priv->power_data.dtim_period = bss_conf->dtim_period; - priv->timestamp = bss_conf->timestamp; - priv->assoc_capability = bss_conf->assoc_capability; - - /* we have just associated, don't start scan too early - * leave time for EAPOL exchange to complete - */ - priv->next_scan_jiffies = jiffies + - IWL_DELAY_NEXT_SCAN_AFTER_ASSOC; - mutex_lock(&priv->mutex); - iwl_post_associate(priv); - mutex_unlock(&priv->mutex); - } else { - priv->assoc_id = 0; - IWL_DEBUG_MAC80211(priv, "DISASSOC %d\n", bss_conf->assoc); - } - } else if (changes && iwl_is_associated(priv) && priv->assoc_id) { - IWL_DEBUG_MAC80211(priv, "Associated Changes %d\n", changes); - iwl_send_rxon_assoc(priv); - } - -} - static void iwl_mac_update_tkip_key(struct ieee80211_hw *hw, struct ieee80211_key_conf *keyconf, const u8 *addr, u32 iv32, u16 *phase1key) @@ -2579,7 +2143,7 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return -EOPNOTSUPP; } addr = sta ? sta->addr : iwl_bcast_addr; - sta_id = iwl_find_station(priv, addr); + sta_id = priv->cfg->ops->smgmt->find_station(priv, addr); if (sta_id == IWL_INVALID_STATION) { IWL_DEBUG_MAC80211(priv, "leave - %pM not in station map.\n", addr); @@ -2630,49 +2194,6 @@ static int iwl_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return ret; } -static int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue, - const struct ieee80211_tx_queue_params *params) -{ - struct iwl_priv *priv = hw->priv; - 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); - - priv->qos_data.def_qos_parm.ac[q].cw_min = cpu_to_le16(params->cw_min); - priv->qos_data.def_qos_parm.ac[q].cw_max = cpu_to_le16(params->cw_max); - priv->qos_data.def_qos_parm.ac[q].aifsn = params->aifs; - priv->qos_data.def_qos_parm.ac[q].edca_txop = - cpu_to_le16((params->txop * 32)); - - priv->qos_data.def_qos_parm.ac[q].reserved1 = 0; - priv->qos_data.qos_active = 1; - - if (priv->iw_mode == NL80211_IFTYPE_AP) - iwl_activate_qos(priv, 1); - else if (priv->assoc_id && iwl_is_associated(priv)) - iwl_activate_qos(priv, 0); - - spin_unlock_irqrestore(&priv->lock, flags); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - return 0; -} - static int iwl_mac_ampdu_action(struct ieee80211_hw *hw, enum ieee80211_ampdu_mlme_action action, struct ieee80211_sta *sta, u16 tid, u16 *ssn) @@ -2715,41 +2236,6 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw, return 0; } -static int iwl_mac_get_tx_stats(struct ieee80211_hw *hw, - struct ieee80211_tx_queue_stats *stats) -{ - struct iwl_priv *priv = hw->priv; - int i, avail; - struct iwl_tx_queue *txq; - struct iwl_queue *q; - unsigned long flags; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - if (!iwl_is_ready_rf(priv)) { - IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); - return -EIO; - } - - spin_lock_irqsave(&priv->lock, flags); - - for (i = 0; i < AC_NUM; i++) { - txq = &priv->txq[i]; - q = &txq->q; - avail = iwl_queue_space(q); - - stats[i].len = q->n_window - avail; - stats[i].limit = q->n_window - q->high_mark; - stats[i].count = q->n_window; - - } - spin_unlock_irqrestore(&priv->lock, flags); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - - return 0; -} - static int iwl_mac_get_stats(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats) { @@ -2762,120 +2248,6 @@ static int iwl_mac_get_stats(struct ieee80211_hw *hw, return 0; } -static void iwl_mac_reset_tsf(struct ieee80211_hw *hw) -{ - struct iwl_priv *priv = hw->priv; - unsigned long flags; - - mutex_lock(&priv->mutex); - IWL_DEBUG_MAC80211(priv, "enter\n"); - - spin_lock_irqsave(&priv->lock, flags); - memset(&priv->current_ht_config, 0, sizeof(struct iwl_ht_info)); - spin_unlock_irqrestore(&priv->lock, flags); - - iwl_reset_qos(priv); - - spin_lock_irqsave(&priv->lock, flags); - priv->assoc_id = 0; - priv->assoc_capability = 0; - priv->assoc_station_added = 0; - - /* new association get rid of ibss beacon skb */ - if (priv->ibss_beacon) - dev_kfree_skb(priv->ibss_beacon); - - priv->ibss_beacon = NULL; - - priv->beacon_int = priv->hw->conf.beacon_int; - priv->timestamp = 0; - if ((priv->iw_mode == NL80211_IFTYPE_STATION)) - priv->beacon_int = 0; - - spin_unlock_irqrestore(&priv->lock, flags); - - if (!iwl_is_ready_rf(priv)) { - IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); - mutex_unlock(&priv->mutex); - return; - } - - /* we are restarting association process - * clear RXON_FILTER_ASSOC_MSK bit - */ - if (priv->iw_mode != NL80211_IFTYPE_AP) { - iwl_scan_cancel_timeout(priv, 100); - priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK; - iwl_commit_rxon(priv); - } - - iwl_power_update_mode(priv, 0); - - /* Per mac80211.h: This is only used in IBSS mode... */ - if (priv->iw_mode != NL80211_IFTYPE_ADHOC) { - - /* switch to CAM during association period. - * the ucode will block any association/authentication - * frome during assiciation period if it can not hear - * the AP because of PM. the timer enable PM back is - * association do not complete - */ - if (priv->hw->conf.channel->flags & (IEEE80211_CHAN_PASSIVE_SCAN | - IEEE80211_CHAN_RADAR)) - iwl_power_disable_management(priv, 3000); - - IWL_DEBUG_MAC80211(priv, "leave - not in IBSS\n"); - mutex_unlock(&priv->mutex); - return; - } - - iwl_set_rate(priv); - - mutex_unlock(&priv->mutex); - - IWL_DEBUG_MAC80211(priv, "leave\n"); -} - -static int iwl_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) -{ - struct iwl_priv *priv = hw->priv; - unsigned long flags; - __le64 timestamp; - - IWL_DEBUG_MAC80211(priv, "enter\n"); - - if (!iwl_is_ready_rf(priv)) { - IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); - return -EIO; - } - - if (priv->iw_mode != NL80211_IFTYPE_ADHOC) { - IWL_DEBUG_MAC80211(priv, "leave - not IBSS\n"); - return -EIO; - } - - spin_lock_irqsave(&priv->lock, flags); - - if (priv->ibss_beacon) - dev_kfree_skb(priv->ibss_beacon); - - priv->ibss_beacon = skb; - - priv->assoc_id = 0; - timestamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp; - priv->timestamp = le64_to_cpu(timestamp); - - IWL_DEBUG_MAC80211(priv, "leave\n"); - spin_unlock_irqrestore(&priv->lock, flags); - - iwl_reset_qos(priv); - - iwl_post_associate(priv); - - - return 0; -} - /***************************************************************************** * * sysfs attributes @@ -3025,7 +2397,7 @@ static ssize_t store_flags(struct device *d, else { IWL_DEBUG_INFO(priv, "Commit rxon.flags = 0x%04X\n", flags); priv->staging_rxon.flags = cpu_to_le32(flags); - iwl_commit_rxon(priv); + iwlcore_commit_rxon(priv); } } mutex_unlock(&priv->mutex); @@ -3066,7 +2438,7 @@ static ssize_t store_filter_flags(struct device *d, "0x%04X\n", filter_flags); priv->staging_rxon.filter_flags = cpu_to_le32(filter_flags); - iwl_commit_rxon(priv); + iwlcore_commit_rxon(priv); } } mutex_unlock(&priv->mutex); @@ -3397,18 +2769,8 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_free_eeprom; /* At this point both hw and priv are initialized. */ - /********************************** - * 7. Initialize module parameters - **********************************/ - - /* Disable radio (SW RF KILL) via parameter when loading driver */ - if (priv->cfg->mod_params->disable) { - set_bit(STATUS_RF_KILL_SW, &priv->status); - IWL_DEBUG_INFO(priv, "Radio disabled.\n"); - } - /******************** - * 8. Setup services + * 7. Setup services ********************/ spin_lock_irqsave(&priv->lock, flags); iwl_disable_interrupts(priv); @@ -3432,7 +2794,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) iwl_setup_rx_handlers(priv); /********************************** - * 9. Setup and register mac80211 + * 8. Setup and register mac80211 **********************************/ /* enable interrupts if needed: hw bug w/a */ @@ -3450,7 +2812,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = iwl_dbgfs_register(priv, DRV_NAME); if (err) - IWL_ERR(priv, "failed to create debugfs files\n"); + IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err); /* If platform's RF_KILL switch is NOT set to KILL */ if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) @@ -3533,7 +2895,7 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev) iwl_rx_queue_free(priv, &priv->rxq); iwl_hw_txq_ctx_free(priv); - iwl_clear_stations_table(priv); + priv->cfg->ops->smgmt->clear_station_table(priv); iwl_eeprom_free(priv); @@ -3561,45 +2923,6 @@ static void __devexit iwl_pci_remove(struct pci_dev *pdev) ieee80211_free_hw(priv->hw); } -#ifdef CONFIG_PM - -static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct iwl_priv *priv = pci_get_drvdata(pdev); - - if (priv->is_open) { - set_bit(STATUS_IN_SUSPEND, &priv->status); - iwl_mac_stop(priv->hw); - priv->is_open = 1; - } - - pci_save_state(pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); - - return 0; -} - -static int iwl_pci_resume(struct pci_dev *pdev) -{ - struct iwl_priv *priv = pci_get_drvdata(pdev); - int ret; - - pci_set_power_state(pdev, PCI_D0); - ret = pci_enable_device(pdev); - if (ret) - return ret; - pci_restore_state(pdev); - iwl_enable_interrupts(priv); - - if (priv->is_open) - iwl_mac_start(priv->hw); - - clear_bit(STATUS_IN_SUSPEND, &priv->status); - return 0; -} - -#endif /* CONFIG_PM */ /***************************************************************************** * |