@@ -634,37 +634,6 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv,
vif->bss_conf.bssid);
}
-#define IWL_FLUSH_WAIT_MS 2000
-
-int iwlagn_wait_tx_queue_empty(struct iwl_priv *priv)
-{
- struct iwl_tx_queue *txq;
- struct iwl_queue *q;
- int cnt;
- unsigned long now = jiffies;
- int ret = 0;
-
- /* waiting for all the tx frames complete might take a while */
- for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++) {
- if (cnt == priv->shrd->cmd_queue)
- continue;
- txq = &priv->txq[cnt];
- q = &txq->q;
- while (q->read_ptr != q->write_ptr && !time_after(jiffies,
- now + msecs_to_jiffies(IWL_FLUSH_WAIT_MS)))
- msleep(1);
-
- if (q->read_ptr != q->write_ptr) {
- IWL_ERR(priv, "fail to flush all tx fifo queues\n");
- ret = -ETIMEDOUT;
- break;
- }
- }
- return ret;
-}
-
-#define IWL_TX_QUEUE_MSK 0xfffff
-
/**
* iwlagn_txfifo_flush: send REPLY_TXFIFO_FLUSH command to uCode
*
@@ -715,7 +684,7 @@ void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control)
goto done;
}
IWL_DEBUG_INFO(priv, "wait transmit/flush all frames\n");
- iwlagn_wait_tx_queue_empty(priv);
+ iwl_trans_wait_tx_queue_empty(trans(priv));
done:
ieee80211_wake_queues(priv->hw);
mutex_unlock(&priv->shrd->mutex);
@@ -2833,7 +2833,7 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop)
}
}
IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n");
- iwlagn_wait_tx_queue_empty(priv);
+ iwl_trans_wait_tx_queue_empty(trans(priv));
done:
mutex_unlock(&priv->shrd->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
@@ -102,7 +102,6 @@ int iwlagn_hw_valid_rtc_data_addr(u32 addr);
int iwlagn_send_tx_power(struct iwl_priv *priv);
void iwlagn_temperature(struct iwl_priv *priv);
u16 iwlagn_eeprom_calib_version(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);
int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
@@ -1446,6 +1446,35 @@ static struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd)
return iwl_trans;
}
+#define IWL_FLUSH_WAIT_MS 2000
+
+static int iwl_trans_pcie_wait_tx_queue_empty(struct iwl_trans *trans)
+{
+ struct iwl_tx_queue *txq;
+ struct iwl_queue *q;
+ int cnt;
+ unsigned long now = jiffies;
+ int ret = 0;
+
+ /* waiting for all the tx frames complete might take a while */
+ for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) {
+ if (cnt == trans->shrd->cmd_queue)
+ continue;
+ txq = &priv(trans)->txq[cnt];
+ q = &txq->q;
+ while (q->read_ptr != q->write_ptr && !time_after(jiffies,
+ now + msecs_to_jiffies(IWL_FLUSH_WAIT_MS)))
+ msleep(1);
+
+ if (q->read_ptr != q->write_ptr) {
+ IWL_ERR(trans, "fail to flush all tx fifo queues\n");
+ ret = -ETIMEDOUT;
+ break;
+ }
+ }
+ return ret;
+}
+
#ifdef CONFIG_IWLWIFI_DEBUGFS
/* create and remove of files */
#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
@@ -2024,6 +2053,9 @@ const struct iwl_trans_ops trans_ops_pcie = {
.free = iwl_trans_pcie_free,
.dbgfs_register = iwl_trans_pcie_dbgfs_register,
+
+ .wait_tx_queue_empty = iwl_trans_pcie_wait_tx_queue_empty,
+
.suspend = iwl_trans_pcie_suspend,
.resume = iwl_trans_pcie_resume,
};
@@ -101,6 +101,7 @@ struct iwl_device_cmd;
* @kick_nic: remove the RESET from the embedded CPU and let it run
* @free: release all the ressource for the transport layer itself such as
* irq, tasklet etc...
+ * @wait_tx_queue_empty: wait until all tx queues are empty
* @dbgfs_register: add the dbgfs files under this directory. Files will be
* automatically deleted.
* @suspend: stop the device unless WoWLAN is configured
@@ -142,6 +143,8 @@ struct iwl_trans_ops {
void (*free)(struct iwl_trans *trans);
int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir);
+ int (*wait_tx_queue_empty)(struct iwl_trans *trans);
+
int (*suspend)(struct iwl_trans *trans);
int (*resume)(struct iwl_trans *trans);
};
@@ -251,6 +254,11 @@ static inline void iwl_trans_free(struct iwl_trans *trans)
trans->ops->free(trans);
}
+static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans)
+{
+ return trans->ops->wait_tx_queue_empty(trans);
+}
+
static inline int iwl_trans_dbgfs_register(struct iwl_trans *trans,
struct dentry *dir)
{