ath9k: Virtual wiphy pause/unpause functionality

Allow virtual wiphys to be paused/unpaused to allow off-channel
operations. Pause will stop all TX queues for the wiphy and move the
STA into power save mode if in managed mode. Unpause wakes up the TX
queues and notifies the AP that the STA woke up if in managed mode.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c
index 3c48fa5646f..a82d2ab7c3a 100644
--- a/drivers/net/wireless/ath9k/xmit.c
+++ b/drivers/net/wireless/ath9k/xmit.c
@@ -1514,6 +1514,7 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
                 return -ENOMEM;
         tx_info->rate_driver_data[0] = tx_info_priv;
         tx_info_priv->aphy = aphy;
+        tx_info_priv->frame_type = txctl->frame_type;
         hdrlen = ieee80211_get_hdrlen_from_skb(skb);
         fc = hdr->frame_control;
 
@@ -1722,11 +1723,14 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
         struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
         int hdrlen, padsize;
+        int frame_type = ATH9K_NOT_INTERNAL;
 
         DPRINTF(sc, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
 
-        if (tx_info_priv)
+        if (tx_info_priv) {
                 hw = tx_info_priv->aphy->hw;
+                frame_type = tx_info_priv->frame_type;
+        }
 
         if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
             tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
@@ -1757,7 +1761,10 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
                 skb_pull(skb, padsize);
         }
 
-        ieee80211_tx_status(hw, skb);
+        if (frame_type == ATH9K_NOT_INTERNAL)
+                ieee80211_tx_status(hw, skb);
+        else
+                ath9k_tx_status(hw, skb);
 }
 
 static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,