---

yaml
---
r: 203504
b: refs/heads/master
c: 6555063
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 716c74b00717ad9caedb4a46059fb64a3da99808
+refs/heads/master: 6555063666fea1fc81a14396aca53ab021ccb4f2

trunk/drivers/net/wireless/iwlwifi/iwl-1000.c

@@ -227,6 +227,7 @@ static struct iwl_lib_ops iwl1000_lib = {
 	.check_plcp_health = iwl_good_plcp_health,
 	.check_ack_health = iwl_good_ack_health,
 	.txfifo_flush = iwlagn_txfifo_flush,
+	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
 };
 
 static const struct iwl_ops iwl1000_ops = {

trunk/drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -403,6 +403,7 @@ static struct iwl_lib_ops iwl5000_lib = {
 	.check_plcp_health = iwl_good_plcp_health,
 	.check_ack_health = iwl_good_ack_health,
 	.txfifo_flush = iwlagn_txfifo_flush,
+	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
 };
 
 static struct iwl_lib_ops iwl5150_lib = {
@@ -467,6 +468,7 @@ static struct iwl_lib_ops iwl5150_lib = {
 	.check_plcp_health = iwl_good_plcp_health,
 	.check_ack_health = iwl_good_ack_health,
 	.txfifo_flush = iwlagn_txfifo_flush,
+	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
 };
 
 static const struct iwl_ops iwl5000_ops = {

trunk/drivers/net/wireless/iwlwifi/iwl-6000.c

@@ -328,6 +328,7 @@ static struct iwl_lib_ops iwl6000_lib = {
 	.check_plcp_health = iwl_good_plcp_health,
 	.check_ack_health = iwl_good_ack_health,
 	.txfifo_flush = iwlagn_txfifo_flush,
+	.dev_txfifo_flush = iwlagn_dev_txfifo_flush,
 };
 
 static const struct iwl_ops iwl6000_ops = {

trunk/drivers/net/wireless/iwlwifi/iwl-agn-lib.c

@@ -205,7 +205,9 @@ void iwl_check_abort_status(struct iwl_priv *priv,
 			    u8 frame_count, u32 status)
 {
 	if (frame_count == 1 && status == TX_STATUS_FAIL_RFKILL_FLUSH) {
-		IWL_ERR(priv, "TODO: Implement Tx flush command!!!\n");
+		IWL_ERR(priv, "Tx flush command to flush out all frames\n");
+		if (!test_bit(STATUS_EXIT_PENDING, &priv->status))
+			queue_work(priv->workqueue, &priv->tx_flush);
 	}
 }
 
@@ -1498,3 +1500,18 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control)
 
 	return iwl_send_cmd(priv, &cmd);
 }
+
+void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control)
+{
+	mutex_lock(&priv->mutex);
+	ieee80211_stop_queues(priv->hw);
+	if (priv->cfg->ops->lib->txfifo_flush(priv, IWL_DROP_ALL)) {
+		IWL_ERR(priv, "flush request fail\n");
+		goto done;
+	}
+	IWL_DEBUG_INFO(priv, "wait transmit/flush all frames\n");
+	iwlagn_wait_tx_queue_empty(priv);
+done:
+	ieee80211_wake_queues(priv->hw);
+	mutex_unlock(&priv->mutex);
+}

trunk/drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -859,6 +859,24 @@ int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
 	return 0;
 }
 
+static void iwl_bg_tx_flush(struct work_struct *work)
+{
+	struct iwl_priv *priv =
+		container_of(work, struct iwl_priv, tx_flush);
+
+	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+		return;
+
+	/* do nothing if rf-kill is on */
+	if (!iwl_is_ready_rf(priv))
+		return;
+
+	if (priv->cfg->ops->lib->txfifo_flush) {
+		IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n");
+		iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
+	}
+}
+
 /**
  * iwl_setup_rx_handlers - Initialize Rx handler callbacks
  *
@@ -3693,6 +3711,7 @@ static void iwl_setup_deferred_work(struct iwl_priv *priv)
 	INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish);
 	INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
 	INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
+	INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush);
 	INIT_DELAYED_WORK(&priv->init_alive_start, iwl_bg_init_alive_start);
 	INIT_DELAYED_WORK(&priv->alive_start, iwl_bg_alive_start);
 

trunk/drivers/net/wireless/iwlwifi/iwl-agn.h

@@ -149,6 +149,7 @@ int iwlagn_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
 int iwlagn_hw_nic_init(struct iwl_priv *priv);
 int iwlagn_wait_tx_queue_empty(struct iwl_priv *priv);
 int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
+void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
 
 /* rx */
 void iwlagn_rx_queue_restock(struct iwl_priv *priv);

trunk/drivers/net/wireless/iwlwifi/iwl-core.h

@@ -206,6 +206,7 @@ struct iwl_lib_ops {
 	bool (*check_ack_health)(struct iwl_priv *priv,
 					struct iwl_rx_packet *pkt);
 	int (*txfifo_flush)(struct iwl_priv *priv, u16 flush_control);
+	void (*dev_txfifo_flush)(struct iwl_priv *priv, u16 flush_control);
 
 	struct iwl_debugfs_ops debugfs_ops;
 };

trunk/drivers/net/wireless/iwlwifi/iwl-dev.h

@@ -1345,6 +1345,7 @@ struct iwl_priv {
 	struct work_struct ct_enter;
 	struct work_struct ct_exit;
 	struct work_struct start_internal_scan;
+	struct work_struct tx_flush;
 
 	struct tasklet_struct irq_tasklet;