diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-core.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index e8b74fc82515..144630b25491 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -2679,6 +2679,42 @@ int iwl_mac_config_interface(struct ieee80211_hw *hw, } EXPORT_SYMBOL(iwl_mac_config_interface); +int iwl_mac_get_tx_stats(struct ieee80211_hw *hw, + struct ieee80211_tx_queue_stats *stats) +{ + struct iwl_priv *priv = hw->priv; + int i, avail; + struct iwl_tx_queue *txq; + struct iwl_queue *q; + unsigned long flags; + + IWL_DEBUG_MAC80211(priv, "enter\n"); + + if (!iwl_is_ready_rf(priv)) { + IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n"); + return -EIO; + } + + spin_lock_irqsave(&priv->lock, flags); + + for (i = 0; i < AC_NUM; i++) { + txq = &priv->txq[i]; + q = &txq->q; + avail = iwl_queue_space(q); + + stats[i].len = q->n_window - avail; + stats[i].limit = q->n_window - q->high_mark; + stats[i].count = q->n_window; + + } + spin_unlock_irqrestore(&priv->lock, flags); + + IWL_DEBUG_MAC80211(priv, "leave\n"); + + return 0; +} +EXPORT_SYMBOL(iwl_mac_get_tx_stats); + #ifdef CONFIG_PM int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) |