diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rxon.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-rxon.c | 115 |
1 files changed, 54 insertions, 61 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index 1c6659416621..2e1a31797a9e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved. + * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -39,7 +39,7 @@ static int iwlagn_disable_bss(struct iwl_priv *priv, int ret; send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC, sizeof(*send), send); send->filter_flags = old_filter; @@ -60,13 +60,13 @@ static int iwlagn_disable_pan(struct iwl_priv *priv, u8 old_dev_type = send->dev_type; int ret; - iwl_init_notification_wait(priv->shrd, &disable_wait, - REPLY_WIPAN_DEACTIVATION_COMPLETE, - NULL, NULL); + iwl_init_notification_wait(&priv->notif_wait, &disable_wait, + REPLY_WIPAN_DEACTIVATION_COMPLETE, + NULL, NULL); send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; send->dev_type = RXON_DEV_TYPE_P2P; - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC, sizeof(*send), send); send->filter_flags = old_filter; @@ -74,9 +74,10 @@ static int iwlagn_disable_pan(struct iwl_priv *priv, if (ret) { IWL_ERR(priv, "Error disabling PAN (%d)\n", ret); - iwl_remove_notification(priv->shrd, &disable_wait); + iwl_remove_notification(&priv->notif_wait, &disable_wait); } else { - ret = iwl_wait_notification(priv->shrd, &disable_wait, HZ); + ret = iwl_wait_notification(&priv->notif_wait, + &disable_wait, HZ); if (ret) IWL_ERR(priv, "Timed out waiting for PAN disable\n"); } @@ -92,7 +93,7 @@ static int iwlagn_disconn_pan(struct iwl_priv *priv, int ret; send->filter_flags &= ~RXON_FILTER_ASSOC_MSK; - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC, sizeof(*send), send); send->filter_flags = old_filter; @@ -121,7 +122,7 @@ static void iwlagn_update_qos(struct iwl_priv *priv, ctx->qos_data.qos_active, ctx->qos_data.def_qos_parm.qos_flags); - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->qos_cmd, CMD_SYNC, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->qos_cmd, CMD_SYNC, sizeof(struct iwl_qosparam_cmd), &ctx->qos_data.def_qos_parm); if (ret) @@ -131,7 +132,7 @@ static void iwlagn_update_qos(struct iwl_priv *priv, static int iwlagn_update_beacon(struct iwl_priv *priv, struct ieee80211_vif *vif) { - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); dev_kfree_skb(priv->beacon_skb); priv->beacon_skb = ieee80211_beacon_get(priv->hw, vif); @@ -180,7 +181,7 @@ static int iwlagn_send_rxon_assoc(struct iwl_priv *priv, ctx->staging.ofdm_ht_triple_stream_basic_rates; rxon_assoc.acquisition_data = ctx->staging.acquisition_data; - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_assoc_cmd, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_assoc_cmd, CMD_ASYNC, sizeof(rxon_assoc), &rxon_assoc); return ret; } @@ -266,7 +267,7 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv, * Associated RXON doesn't clear the station table in uCode, * so we don't need to restore stations etc. after this. */ - ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC, + ret = iwl_dvm_send_cmd_pdu(priv, ctx->rxon_cmd, CMD_SYNC, sizeof(struct iwl_rxon_cmd), &ctx->staging); if (ret) { IWL_ERR(priv, "Error setting new RXON (%d)\n", ret); @@ -274,8 +275,6 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv, } memcpy(active, &ctx->staging, sizeof(*active)); - iwl_reprogram_ap_sta(priv, ctx); - /* IBSS beacon needs to be sent after setting assoc */ if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_ADHOC)) if (iwlagn_update_beacon(priv, ctx->vif)) @@ -315,7 +314,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2); - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); ctx_bss = &priv->contexts[IWL_RXON_CTX_BSS]; ctx_pan = &priv->contexts[IWL_RXON_CTX_PAN]; @@ -362,7 +361,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) slot0 = bcnint / 2; slot1 = bcnint - slot0; - if (test_bit(STATUS_SCAN_HW, &priv->shrd->status) || + if (test_bit(STATUS_SCAN_HW, &priv->status) || (!ctx_bss->vif->bss_conf.idle && !ctx_bss->vif->bss_conf.assoc)) { slot0 = dtim * bcnint * 3 - IWL_MIN_SLOT_TIME; @@ -378,7 +377,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) ctx_pan->beacon_int; slot1 = max_t(int, DEFAULT_BEACON_INTERVAL, slot1); - if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) { + if (test_bit(STATUS_SCAN_HW, &priv->status)) { slot0 = slot1 * 3 - IWL_MIN_SLOT_TIME; slot1 = IWL_MIN_SLOT_TIME; } @@ -387,7 +386,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv) cmd.slots[0].width = cpu_to_le16(slot0); cmd.slots[1].width = cpu_to_le16(slot1); - ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WIPAN_PARAMS, CMD_SYNC, + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_WIPAN_PARAMS, CMD_SYNC, sizeof(cmd), &cmd); if (ret) IWL_ERR(priv, "Error setting PAN parameters (%d)\n", ret); @@ -420,12 +419,9 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) bool new_assoc = !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK); int ret; - lockdep_assert_held(&priv->shrd->mutex); - - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) - return -EINVAL; + lockdep_assert_held(&priv->mutex); - if (!iwl_is_alive(priv->shrd)) + if (!iwl_is_alive(priv)) return -EBUSY; /* This function hardcodes a bunch of dual-mode assumptions */ @@ -434,10 +430,6 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) if (!ctx->is_active) return 0; - /* override BSSID if necessary due to preauth */ - if (ctx->preauth_bssid) - memcpy(ctx->staging.bssid_addr, ctx->bssid, ETH_ALEN); - /* always get timestamp with Rx frame */ ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK; @@ -445,8 +437,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) * force CTS-to-self frames protection if RTS-CTS is not preferred * one aggregation protection method */ - if (!(cfg(priv)->ht_params && - cfg(priv)->ht_params->use_rts_for_aggregation)) + if (!hw_params(priv).use_rts_for_aggregation) ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) || @@ -466,7 +457,7 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) * receive commit_rxon request * abort any previous channel switch if still in process */ - if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status) && + if (test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status) && (priv->switch_channel != ctx->staging.channel)) { IWL_DEBUG_11H(priv, "abort channel switch on %d\n", le16_to_cpu(priv->switch_channel)); @@ -549,7 +540,7 @@ void iwlagn_config_ht40(struct ieee80211_conf *conf, int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_rxon_context *ctx; struct ieee80211_conf *conf = &hw->conf; struct ieee80211_channel *channel = conf->channel; @@ -558,17 +549,14 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) IWL_DEBUG_MAC80211(priv, "enter: changed %#x", changed); - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); - if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) - goto out; - - if (unlikely(test_bit(STATUS_SCANNING, &priv->shrd->status))) { + if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) { IWL_DEBUG_MAC80211(priv, "leave - scanning\n"); goto out; } - if (!iwl_is_ready(priv->shrd)) { + if (!iwl_is_ready(priv)) { IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); goto out; } @@ -590,8 +578,6 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) } if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { - unsigned long flags; - ch_info = iwl_get_channel_info(priv, channel->band, channel->hw_value); if (!is_channel_valid(ch_info)) { @@ -600,8 +586,6 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) goto out; } - spin_lock_irqsave(&priv->shrd->lock, flags); - for_each_context(priv, ctx) { /* Configure HT40 channels */ if (ctx->ht.enabled != conf_is_ht(conf)) @@ -636,8 +620,6 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) ctx->vif); } - spin_unlock_irqrestore(&priv->shrd->lock, flags); - iwl_update_bcast_stations(priv); /* @@ -668,7 +650,7 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) iwlagn_commit_rxon(priv, ctx); } out: - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); IWL_DEBUG_MAC80211(priv, "leave\n"); return ret; @@ -685,7 +667,7 @@ static void iwlagn_check_needed_chains(struct iwl_priv *priv, struct ieee80211_sta_ht_cap *ht_cap; bool need_multiple; - lockdep_assert_held(&priv->shrd->mutex); + lockdep_assert_held(&priv->mutex); switch (vif->type) { case NL80211_IFTYPE_STATION: @@ -789,7 +771,7 @@ static void iwlagn_chain_noise_reset(struct iwl_priv *priv) memset(&cmd, 0, sizeof(cmd)); iwl_set_calib_hdr(&cmd.hdr, priv->phy_calib_chain_noise_reset_cmd); - ret = iwl_trans_send_cmd_pdu(trans(priv), + ret = iwl_dvm_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD, CMD_SYNC, sizeof(cmd), &cmd); if (ret) @@ -805,22 +787,22 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_bss_conf *bss_conf, u32 changes) { - struct iwl_priv *priv = hw->priv; + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw); struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif); int ret; bool force = false; - mutex_lock(&priv->shrd->mutex); + mutex_lock(&priv->mutex); - if (unlikely(!iwl_is_ready(priv->shrd))) { + if (unlikely(!iwl_is_ready(priv))) { IWL_DEBUG_MAC80211(priv, "leave - not ready\n"); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); return; } if (unlikely(!ctx->vif)) { IWL_DEBUG_MAC80211(priv, "leave - vif is NULL\n"); - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); return; } @@ -840,7 +822,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, if (changes & BSS_CHANGED_ASSOC) { if (bss_conf->assoc) { - priv->timestamp = bss_conf->timestamp; + priv->timestamp = bss_conf->last_tsf; ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK; } else { /* @@ -851,12 +833,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, * not get stuck in this case either since it * can happen if userspace gets confused. */ - if (ctx->last_tx_rejected) { - ctx->last_tx_rejected = false; - iwl_trans_wake_any_queue(trans(priv), - ctx->ctxid, - "Disassoc: flush queue"); - } + iwlagn_lift_passive_no_rx(priv); + ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; if (ctx->ctxid == IWL_RXON_CTX_BSS) @@ -900,6 +878,22 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, } } + /* + * If the ucode decides to do beacon filtering before + * association, it will lose beacons that are needed + * before sending frames out on passive channels. This + * causes association failures on those channels. Enable + * receiving beacons in such cases. + */ + + if (vif->type == NL80211_IFTYPE_STATION) { + if (!bss_conf->assoc) + ctx->staging.filter_flags |= RXON_FILTER_BCON_AWARE_MSK; + else + ctx->staging.filter_flags &= + ~RXON_FILTER_BCON_AWARE_MSK; + } + if (force || memcmp(&ctx->staging, &ctx->active, sizeof(ctx->staging))) iwlagn_commit_rxon(priv, ctx); @@ -916,7 +910,6 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, if (!priv->disable_chain_noise_cal) iwlagn_chain_noise_reset(priv); priv->start_calib = 1; - WARN_ON(ctx->preauth_bssid); } if (changes & BSS_CHANGED_IBSS) { @@ -934,7 +927,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, IWL_ERR(priv, "Error sending IBSS beacon\n"); } - mutex_unlock(&priv->shrd->mutex); + mutex_unlock(&priv->mutex); } void iwlagn_post_scan(struct iwl_priv *priv) |