Merge tag 'iwlwifi-for-kalle-2014-03-22' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes

* avoid panic with lots of IBSS stations
* Fix dvm's behavior after suspend resume
* Allow to keep connection after CSA failure
* Remove a noisy by harmless WARN_ON
* New device IDs

Author: Kalle Valo

drivers/net/wireless/iwlwifi/dvm/dev.h

@@ -708,7 +708,6 @@ struct iwl_priv {
 	unsigned long reload_jiffies;
 	int reload_count;
 	bool ucode_loaded;
-	bool init_ucode_run;		/* Don't run init uCode again */
 
 	u8 plcp_delta_threshold;
 

drivers/net/wireless/iwlwifi/dvm/mac80211.c

@@ -1114,16 +1114,17 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	scd_queues &= ~(BIT(IWL_IPAN_CMD_QUEUE_NUM) |
 			BIT(IWL_DEFAULT_CMD_QUEUE_NUM));
 
-	if (vif)
-		scd_queues &= ~BIT(vif->hw_queue[IEEE80211_AC_VO]);
-
-	IWL_DEBUG_TX_QUEUES(priv, "Flushing SCD queues: 0x%x\n", scd_queues);
-	if (iwlagn_txfifo_flush(priv, scd_queues)) {
-		IWL_ERR(priv, "flush request fail\n");
-		goto done;
+	if (drop) {
+		IWL_DEBUG_TX_QUEUES(priv, "Flushing SCD queues: 0x%x\n",
+				    scd_queues);
+		if (iwlagn_txfifo_flush(priv, scd_queues)) {
+			IWL_ERR(priv, "flush request fail\n");
+			goto done;
+		}
 	}
+
 	IWL_DEBUG_TX_QUEUES(priv, "wait transmit/flush all frames\n");
-	iwl_trans_wait_tx_queue_empty(priv->trans, 0xffffffff);
+	iwl_trans_wait_tx_queue_empty(priv->trans, scd_queues);
 done:
 	mutex_unlock(&priv->mutex);
 	IWL_DEBUG_MAC80211(priv, "leave\n");

drivers/net/wireless/iwlwifi/dvm/ucode.c

@@ -418,9 +418,6 @@ int iwl_run_init_ucode(struct iwl_priv *priv)
 	if (!priv->fw->img[IWL_UCODE_INIT].sec[0].len)
 		return 0;
 
-	if (priv->init_ucode_run)
-		return 0;
-
 	iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
 				   calib_complete, ARRAY_SIZE(calib_complete),
 				   iwlagn_wait_calib, priv);
@@ -440,8 +437,6 @@ int iwl_run_init_ucode(struct iwl_priv *priv)
 	 */
 	ret = iwl_wait_notification(&priv->notif_wait, &calib_wait,
 					UCODE_CALIB_TIMEOUT);
-	if (!ret)
-		priv->init_ucode_run = true;
 
 	goto out;
 

drivers/net/wireless/iwlwifi/mvm/rs.c

@@ -1278,6 +1278,9 @@ static void rs_mac80211_tx_status(void *mvm_r,
 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
+	if (!iwl_mvm_sta_from_mac80211(sta)->vif)
+		return;
+
 	if (!ieee80211_is_data(hdr->frame_control) ||
 	    info->flags & IEEE80211_TX_CTL_NO_ACK)
 		return;
@@ -2511,6 +2514,14 @@ static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta,
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct iwl_lq_sta *lq_sta = mvm_sta;
 
+	if (sta && !iwl_mvm_sta_from_mac80211(sta)->vif) {
+		/* if vif isn't initialized mvm doesn't know about
+		 * this station, so don't do anything with the it
+		 */
+		sta = NULL;
+		mvm_sta = NULL;
+	}
+
 	/* TODO: handle rate_idx_mask and rate_idx_mcs_mask */
 
 	/* Treat uninitialized rate scaling data same as non-existing. */
@@ -2827,6 +2838,9 @@ static void rs_rate_update(void *mvm_r,
 			(struct iwl_op_mode *)mvm_r;
 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
 
+	if (!iwl_mvm_sta_from_mac80211(sta)->vif)
+		return;
+
 	/* Stop any ongoing aggregations as rs starts off assuming no agg */
 	for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++)
 		ieee80211_stop_tx_ba_session(sta, tid);
@@ -3587,9 +3601,15 @@ static ssize_t iwl_dbgfs_ss_force_write(struct iwl_lq_sta *lq_sta, char *buf,
 
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(ss_force, 32);
 
-static void rs_add_debugfs(void *mvm, void *mvm_sta, struct dentry *dir)
+static void rs_add_debugfs(void *mvm, void *priv_sta, struct dentry *dir)
 {
-	struct iwl_lq_sta *lq_sta = mvm_sta;
+	struct iwl_lq_sta *lq_sta = priv_sta;
+	struct iwl_mvm_sta *mvmsta;
+
+	mvmsta = container_of(lq_sta, struct iwl_mvm_sta, lq_sta);
+
+	if (!mvmsta->vif)
+		return;
 
 	debugfs_create_file("rate_scale_table", S_IRUSR | S_IWUSR, dir,
 			    lq_sta, &rs_sta_dbgfs_scale_table_ops);

drivers/net/wireless/iwlwifi/mvm/time-event.c

@@ -197,6 +197,8 @@ iwl_mvm_te_handle_notify_csa(struct iwl_mvm *mvm,
 			     struct iwl_time_event_notif *notif)
 {
 	if (!le32_to_cpu(notif->status)) {
+		if (te_data->vif->type == NL80211_IFTYPE_STATION)
+			ieee80211_connection_loss(te_data->vif);
 		IWL_DEBUG_TE(mvm, "CSA time event failed to start\n");
 		iwl_mvm_te_clear_data(mvm, te_data);
 		return;

drivers/net/wireless/iwlwifi/mvm/tx.c

@@ -949,8 +949,10 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 	mvmsta = iwl_mvm_sta_from_mac80211(sta);
 	tid_data = &mvmsta->tid_data[tid];
 
-	if (WARN_ONCE(tid_data->txq_id != scd_flow, "Q %d, tid %d, flow %d",
-		      tid_data->txq_id, tid, scd_flow)) {
+	if (tid_data->txq_id != scd_flow) {
+		IWL_ERR(mvm,
+			"invalid BA notification: Q %d, tid %d, flow %d\n",
+			tid_data->txq_id, tid, scd_flow);
 		rcu_read_unlock();
 		return 0;
 	}

drivers/net/wireless/iwlwifi/pcie/drv.c

@@ -368,10 +368,12 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 /* 3165 Series */
 	{IWL_PCI_DEVICE(0x3165, 0x4010, iwl3165_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x3165, 0x4012, iwl3165_2ac_cfg)},
-	{IWL_PCI_DEVICE(0x3165, 0x4110, iwl3165_2ac_cfg)},
-	{IWL_PCI_DEVICE(0x3165, 0x4210, iwl3165_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x3165, 0x4410, iwl3165_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x3165, 0x4510, iwl3165_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x3165, 0x4110, iwl3165_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x3166, 0x4310, iwl3165_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x3166, 0x4210, iwl3165_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x3165, 0x8010, iwl3165_2ac_cfg)},
 
 /* 7265 Series */
 	{IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)},