From patchwork Sat Aug 13 17:37:51 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Guy, Wey-Yi W" X-Patchwork-Id: 1063442 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p7DIJwLg010045 for ; Sat, 13 Aug 2011 18:19:58 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752355Ab1HMSTz (ORCPT ); Sat, 13 Aug 2011 14:19:55 -0400 Received: from mga02.intel.com ([134.134.136.20]:32836 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751932Ab1HMSSk (ORCPT ); Sat, 13 Aug 2011 14:18:40 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 13 Aug 2011 11:18:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="37496164" Received: from wwguy-huron.jf.intel.com (HELO localhost.localdomain) ([134.134.163.53]) by orsmga002.jf.intel.com with ESMTP; 13 Aug 2011 11:18:26 -0700 From: Wey-Yi Guy To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, Emmanuel Grumbach , Wey-Yi Guy Subject: [PATCH 15/60] iwlagn: priv->sta_lock moves to iwl_shared Date: Sat, 13 Aug 2011 10:37:51 -0700 Message-Id: <1313257116-2697-16-git-send-email-wey-yi.w.guy@intel.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1313257116-2697-1-git-send-email-wey-yi.w.guy@intel.com> References: <1313257116-2697-1-git-send-email-wey-yi.w.guy@intel.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Sat, 13 Aug 2011 18:19:58 +0000 (UTC) From: Emmanuel Grumbach Since it is used by all the layers, it needs to move to iwl_shared. Signed-off-by: Emmanuel Grumbach Signed-off-by: Wey-Yi Guy --- drivers/net/wireless/iwlwifi/iwl-agn-lib.c | 6 +- drivers/net/wireless/iwlwifi/iwl-agn-sta.c | 50 +++++++------- drivers/net/wireless/iwlwifi/iwl-agn-tx.c | 26 ++++---- drivers/net/wireless/iwlwifi/iwl-agn.c | 2 +- drivers/net/wireless/iwlwifi/iwl-dev.h | 3 - drivers/net/wireless/iwlwifi/iwl-shared.h | 3 + drivers/net/wireless/iwlwifi/iwl-sta.c | 77 ++++++++++++---------- drivers/net/wireless/iwlwifi/iwl-sta.h | 4 +- drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c | 4 +- 9 files changed, 90 insertions(+), 85 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index a604baa..bf2ba98 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -427,7 +427,7 @@ void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) sta_id = (tx_resp->ra_tid & IWLAGN_TX_RES_RA_MSK) >> IWLAGN_TX_RES_RA_POS; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); hdr = (void *)txb->skb->data; if (!ieee80211_is_data_qos(hdr->frame_control)) @@ -482,7 +482,7 @@ void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) iwlagn_txq_check_empty(priv, sta_id, tid, txq_id); iwl_check_abort_status(priv, tx_resp->frame_count, status); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } int iwlagn_hw_valid_rtc_data_addr(u32 addr) @@ -1079,7 +1079,7 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv, void iwl_free_tfds_in_queue(struct iwl_priv *priv, int sta_id, int tid, int freed) { - lockdep_assert_held(&priv->sta_lock); + lockdep_assert_held(&priv->shrd->sta_lock); if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed) priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c index c99e6cc..4b13bb9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c @@ -116,9 +116,9 @@ int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx if (sta_id_r) *sta_id_r = sta_id; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].used |= IWL_STA_LOCAL; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); /* Set up default rate scaling table in device's station table */ link_cmd = iwl_sta_alloc_lq(priv, ctx, sta_id); @@ -132,9 +132,9 @@ int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx if (ret) IWL_ERR(priv, "Link quality command failed (%d)\n", ret); - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return 0; } @@ -311,9 +311,9 @@ static int iwlagn_send_sta_key(struct iwl_priv *priv, struct iwl_addsta_cmd sta_cmd; int i; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); key_flags = cpu_to_le16(keyconf->keyidx << STA_KEY_FLG_KEYID_POS); key_flags |= STA_KEY_FLG_MAP_KEY_MSK; @@ -388,11 +388,11 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv, if (sta_id == IWL_INVALID_STATION) return -ENOENT; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(sta_cmd)); if (!(priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) sta_id = IWL_INVALID_STATION; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); if (sta_id == IWL_INVALID_STATION) return 0; @@ -493,18 +493,18 @@ int iwlagn_alloc_bcast_station(struct iwl_priv *priv, unsigned long flags; u8 sta_id; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); sta_id = iwl_prep_station(priv, ctx, iwl_bcast_addr, false, NULL); if (sta_id == IWL_INVALID_STATION) { IWL_ERR(priv, "Unable to prepare broadcast station\n"); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return -EINVAL; } priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE; priv->stations[sta_id].used |= IWL_STA_BCAST; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); link_cmd = iwl_sta_alloc_lq(priv, ctx, sta_id); if (!link_cmd) { @@ -513,9 +513,9 @@ int iwlagn_alloc_bcast_station(struct iwl_priv *priv, return -ENOMEM; } - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return 0; } @@ -539,13 +539,13 @@ int iwl_update_bcast_station(struct iwl_priv *priv, return -ENOMEM; } - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); if (priv->stations[sta_id].lq) kfree(priv->stations[sta_id].lq); else IWL_DEBUG_INFO(priv, "Bcast station rate scaling has not been initialized yet.\n"); priv->stations[sta_id].lq = link_cmd; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return 0; } @@ -575,12 +575,12 @@ int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid) lockdep_assert_held(&priv->shrd->mutex); /* Remove "disable" flag, to enable Tx for this TID */ - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_TID_DISABLE_TX; priv->stations[sta_id].sta.tid_disable_tx &= cpu_to_le16(~(1 << tid)); priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } @@ -598,14 +598,14 @@ int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta, if (sta_id == IWL_INVALID_STATION) return -ENXIO; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].sta.station_flags_msk = 0; priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_ADDBA_TID_MSK; priv->stations[sta_id].sta.add_immediate_ba_tid = (u8)tid; priv->stations[sta_id].sta.add_immediate_ba_ssn = cpu_to_le16(ssn); priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } @@ -625,13 +625,13 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta, return -ENXIO; } - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].sta.station_flags_msk = 0; priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_DELBA_TID_MSK; priv->stations[sta_id].sta.remove_immediate_ba_tid = (u8)tid; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); } @@ -640,14 +640,14 @@ static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id) { unsigned long flags; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK; priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK; priv->stations[sta_id].sta.sta.modify_mask = 0; priv->stations[sta_id].sta.sleep_tx_count = 0; priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } @@ -655,7 +655,7 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt) { unsigned long flags; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].sta.station_flags |= STA_FLG_PWR_SAVE_MSK; priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK; priv->stations[sta_id].sta.sta.modify_mask = @@ -663,7 +663,7 @@ void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt) priv->stations[sta_id].sta.sleep_tx_count = cpu_to_le16(cnt); priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index 89d7b30..d0d7710 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -405,7 +405,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) txq_id = ctx->ac_to_queue[skb_get_queue_mapping(skb)]; /* irqs already disabled/saved above when locking priv->shrd->lock */ - spin_lock(&priv->sta_lock); + spin_lock(&priv->shrd->sta_lock); if (ieee80211_is_data_qos(fc)) { u8 *qc = NULL; @@ -460,7 +460,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) priv->stations[sta_id].tid[tid].seq_number = seq_number; } - spin_unlock(&priv->sta_lock); + spin_unlock(&priv->shrd->sta_lock); spin_unlock_irqrestore(&priv->shrd->lock, flags); /* @@ -476,7 +476,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) return 0; drop_unlock_sta: - spin_unlock(&priv->sta_lock); + spin_unlock(&priv->shrd->sta_lock); drop_unlock_priv: spin_unlock_irqrestore(&priv->shrd->lock, flags); return -1; @@ -534,19 +534,19 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, return -ENXIO; } - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); tid_data = &priv->stations[sta_id].tid[tid]; *ssn = SEQ_TO_SN(tid_data->seq_number); tid_data->agg.txq_id = txq_id; tid_data->agg.tx_fifo = tx_fifo; iwl_set_swq_id(&priv->txq[txq_id], get_ac_from_tid(tid), txq_id); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); ret = iwlagn_txq_agg_enable(priv, txq_id, sta_id, tid); if (ret) return ret; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); tid_data = &priv->stations[sta_id].tid[tid]; if (tid_data->tfds_in_queue == 0) { IWL_DEBUG_HT(priv, "HW queue is empty\n"); @@ -557,7 +557,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif, tid_data->tfds_in_queue); tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA; } - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return ret; } @@ -580,7 +580,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, return -ENXIO; } - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); tid_data = &priv->stations[sta_id].tid[tid]; ssn = (tid_data->seq_number & IEEE80211_SCTL_SEQ) >> 4; @@ -610,7 +610,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, IWL_DEBUG_HT(priv, "Stopping a non empty AGG HW QUEUE\n"); priv->stations[sta_id].tid[tid].agg.state = IWL_EMPTYING_HW_QUEUE_DELBA; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return 0; } @@ -619,7 +619,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF; /* do not restore/save irqs */ - spin_unlock(&priv->sta_lock); + spin_unlock(&priv->shrd->sta_lock); spin_lock(&priv->shrd->lock); /* @@ -647,7 +647,7 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv, ctx = &priv->contexts[priv->stations[sta_id].ctxid]; - lockdep_assert_held(&priv->sta_lock); + lockdep_assert_held(&priv->shrd->sta_lock); switch (priv->stations[sta_id].tid[tid].agg.state) { case IWL_EMPTYING_HW_QUEUE_DELBA: @@ -890,7 +890,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, /* Find index just before block-ack window */ index = iwl_queue_dec_wrap(ba_resp_scd_ssn & 0xff, txq->q.n_bd); - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); IWL_DEBUG_TX_REPLY(priv, "REPLY_COMPRESSED_BA [%d] Received from %pM, " "sta_id = %d\n", @@ -927,7 +927,7 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, iwlagn_txq_check_empty(priv, sta_id, tid, scd_flow); } - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } #ifdef CONFIG_IWLWIFI_DEBUG diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index be42d0d..1911ac6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -3480,7 +3480,7 @@ static int iwl_init_drv(struct iwl_priv *priv) { int ret; - spin_lock_init(&priv->sta_lock); + spin_lock_init(&priv->shrd->sta_lock); spin_lock_init(&priv->hcmd_lock); mutex_init(&priv->shrd->mutex); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index e92b11f..22e87b2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -1309,9 +1309,6 @@ struct iwl_priv { struct iwl_tt_mgmt thermal_throttle; /* station table variables */ - - /* Note: if lock and sta_lock are needed, lock must be acquired first */ - spinlock_t sta_lock; int num_stations; struct iwl_station_entry stations[IWLAGN_STATION_COUNT]; unsigned long ucode_key_table; diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h index 3395319..71496bf 100644 --- a/drivers/net/wireless/iwlwifi/iwl-shared.h +++ b/drivers/net/wireless/iwlwifi/iwl-shared.h @@ -150,6 +150,8 @@ struct iwl_hw_params { * @hw_params: see struct iwl_hw_params * @workqueue: the workqueue used by all the layers of the driver * @lock: protect general shared data + * @sta_lock: protects the station table. + * If lock and sta_lock are needed, lock must be acquired first. * @mutex: */ struct iwl_shared { @@ -166,6 +168,7 @@ struct iwl_shared { struct workqueue_struct *workqueue; spinlock_t lock; + spinlock_t sta_lock; struct mutex mutex; }; diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index 63b434b..9424d79 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -38,7 +38,7 @@ #include "iwl-trans.h" #include "iwl-agn.h" -/* priv->sta_lock must be held */ +/* priv->shrd->sta_lock must be held */ static void iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id) { @@ -75,7 +75,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n", sta_id); - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); switch (pkt->u.add_sta.status) { case ADD_STA_SUCCESS_MSK: @@ -118,7 +118,7 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, priv->stations[sta_id].sta.mode == STA_CONTROL_MODIFY_MSK ? "Modified" : "Added", addsta->sta.addr); - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return ret; } @@ -337,12 +337,12 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, struct iwl_addsta_cmd sta_cmd; *sta_id_r = 0; - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); sta_id = iwl_prep_station(priv, ctx, addr, is_ap, sta); if (sta_id == IWL_INVALID_STATION) { IWL_ERR(priv, "Unable to prepare station %pM for addition\n", addr); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); return -EINVAL; } @@ -354,7 +354,7 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, if (priv->stations[sta_id].used & IWL_STA_UCODE_INPROGRESS) { IWL_DEBUG_INFO(priv, "STA %d already in process of being added.\n", sta_id); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); return -EEXIST; } @@ -362,23 +362,23 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, (priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE)) { IWL_DEBUG_ASSOC(priv, "STA %d (%pM) already added, not adding again.\n", sta_id, addr); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); return -EEXIST; } priv->stations[sta_id].used |= IWL_STA_UCODE_INPROGRESS; memcpy(&sta_cmd, &priv->stations[sta_id].sta, sizeof(struct iwl_addsta_cmd)); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); /* Add station to device's station table */ ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); if (ret) { - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); IWL_ERR(priv, "Adding station %pM failed.\n", priv->stations[sta_id].sta.sta.addr); priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; priv->stations[sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); } *sta_id_r = sta_id; return ret; @@ -387,7 +387,7 @@ int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx, /** * iwl_sta_ucode_deactivate - deactivate ucode status for a station * - * priv->sta_lock must be held + * priv->shrd->sta_lock must be held */ static void iwl_sta_ucode_deactivate(struct iwl_priv *priv, u8 sta_id) { @@ -441,9 +441,11 @@ static int iwl_send_remove_station(struct iwl_priv *priv, switch (pkt->u.rem_sta.status) { case REM_STA_SUCCESS_MSK: if (!temporary) { - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, + flags_spin); iwl_sta_ucode_deactivate(priv, sta_id); - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, + flags_spin); } IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n"); break; @@ -484,7 +486,7 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, if (WARN_ON(sta_id == IWL_INVALID_STATION)) return -EINVAL; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { IWL_DEBUG_INFO(priv, "Removing %pM but non DRIVER active\n", @@ -510,11 +512,11 @@ int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id, if (WARN_ON(priv->num_stations < 0)) priv->num_stations = 0; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return iwl_send_remove_station(priv, addr, sta_id, false); out_err: - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return -EINVAL; } @@ -535,7 +537,7 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv, IWL_DEBUG_INFO(priv, "Clearing ucode stations in driver\n"); - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); for (i = 0; i < hw_params(priv).max_stations; i++) { if (ctx && ctx->ctxid != priv->stations[i].ctxid) continue; @@ -546,7 +548,7 @@ void iwl_clear_ucode_stations(struct iwl_priv *priv, cleared = true; } } - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); if (!cleared) IWL_DEBUG_INFO(priv, "No active stations found to be cleared\n"); @@ -576,7 +578,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) } IWL_DEBUG_ASSOC(priv, "Restoring all known stations ... start.\n"); - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); for (i = 0; i < hw_params(priv).max_stations; i++) { if (ctx->ctxid != priv->stations[i].ctxid) continue; @@ -600,15 +602,18 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) sizeof(struct iwl_link_quality_cmd)); send_lq = true; } - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, + flags_spin); ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); if (ret) { - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, + flags_spin); IWL_ERR(priv, "Adding station %pM failed.\n", priv->stations[i].sta.sta.addr); priv->stations[i].used &= ~IWL_STA_DRIVER_ACTIVE; priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, + flags_spin); } /* * Rate scaling has already been initialized, send @@ -616,12 +621,12 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) */ if (send_lq) iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true); - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS; } } - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); if (!found) IWL_DEBUG_INFO(priv, "Restoring all known stations .... no stations to be restored.\n"); else @@ -637,9 +642,9 @@ void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) struct iwl_link_quality_cmd lq; bool active; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); if (!(priv->stations[sta_id].used & IWL_STA_DRIVER_ACTIVE)) { - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); return; } @@ -649,7 +654,7 @@ void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) active = priv->stations[sta_id].used & IWL_STA_UCODE_ACTIVE; priv->stations[sta_id].used &= ~IWL_STA_DRIVER_ACTIVE; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); if (active) { ret = iwl_send_remove_station( @@ -659,9 +664,9 @@ void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx) IWL_ERR(priv, "failed to remove STA %pM (%d)\n", priv->stations[sta_id].sta.sta.addr, ret); } - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); priv->stations[sta_id].used |= IWL_STA_DRIVER_ACTIVE; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); ret = iwl_send_add_sta(priv, &sta_cmd, CMD_SYNC); if (ret) @@ -686,7 +691,7 @@ void iwl_dealloc_bcast_stations(struct iwl_priv *priv) unsigned long flags; int i; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); for (i = 0; i < hw_params(priv).max_stations; i++) { if (!(priv->stations[i].used & IWL_STA_BCAST)) continue; @@ -698,7 +703,7 @@ void iwl_dealloc_bcast_stations(struct iwl_priv *priv) kfree(priv->stations[i].lq); priv->stations[i].lq = NULL; } - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } #ifdef CONFIG_IWLWIFI_DEBUG @@ -782,12 +787,12 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, return -EINVAL; - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); if (!(priv->stations[lq->sta_id].used & IWL_STA_DRIVER_ACTIVE)) { - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); return -EINVAL; } - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); iwl_dump_lq_cmd(priv, lq); if (WARN_ON(init && (cmd.flags & CMD_ASYNC))) @@ -804,9 +809,9 @@ int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, if (init) { IWL_DEBUG_INFO(priv, "init LQ command complete, clearing sta addition status for sta %d\n", lq->sta_id); - spin_lock_irqsave(&priv->sta_lock, flags_spin); + spin_lock_irqsave(&priv->shrd->sta_lock, flags_spin); priv->stations[lq->sta_id].used &= ~IWL_STA_UCODE_INPROGRESS; - spin_unlock_irqrestore(&priv->sta_lock, flags_spin); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags_spin); } return ret; } diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.h b/drivers/net/wireless/iwlwifi/iwl-sta.h index 9a6768d..9641eb6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.h +++ b/drivers/net/wireless/iwlwifi/iwl-sta.h @@ -76,7 +76,7 @@ static inline void iwl_clear_driver_stations(struct iwl_priv *priv) unsigned long flags; struct iwl_rxon_context *ctx; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); memset(priv->stations, 0, sizeof(priv->stations)); priv->num_stations = 0; @@ -94,7 +94,7 @@ static inline void iwl_clear_driver_stations(struct iwl_priv *priv) ctx->key_mapping_keys = 0; } - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); } static inline int iwl_sta_id(struct ieee80211_sta *sta) diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c index e1130a7..b0ad127 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c @@ -435,12 +435,12 @@ void iwl_trans_txq_agg_setup(struct iwl_priv *priv, int sta_id, int tid, if (WARN_ON(tid >= MAX_TID_COUNT)) return; - spin_lock_irqsave(&priv->sta_lock, flags); + spin_lock_irqsave(&priv->shrd->sta_lock, flags); tid_data = &priv->stations[sta_id].tid[tid]; ssn_idx = SEQ_TO_SN(tid_data->seq_number); txq_id = tid_data->agg.txq_id; tx_fifo = tid_data->agg.tx_fifo; - spin_unlock_irqrestore(&priv->sta_lock, flags); + spin_unlock_irqrestore(&priv->shrd->sta_lock, flags); ra_tid = BUILD_RAxTID(sta_id, tid);