korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-12 05:24:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

carl9170: fix tx_ampdu_upload counter

Browse Source 
tx_ampdu_upload was not decreased when an a-MPDU
frame had to be kicked out from the tx_pending
queues.

This broke ampdu aggregation, because the scheduler
waits until tx_ampdu_upload drops to zero, before
making the next aggregate.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Lamparter 2010-09-26 22:49:34 +02:00 committed by John W. Linville
parent 042c53f6e8
commit cb139ecc0c
1 changed files with 14 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/net/wireless/ath/carl9170/main.c
View File

@ -230,8 +230,15 @@ static void carl9170_flush(struct ar9170 *ar, bool drop_queued)
for (i = 0; i < ar->hw->queues; i++) {
struct sk_buff *skb;
while ((skb = skb_dequeue(&ar->tx_pending[i])))
while ((skb = skb_dequeue(&ar->tx_pending[i]))) {
struct ieee80211_tx_info *info;
info = IEEE80211_SKB_CB(skb);
if (info->flags & IEEE80211_TX_CTL_AMPDU)
atomic_dec(&ar->tx_ampdu_upload);
carl9170_tx_status(ar, skb, false);
}
}
}
@ -1462,6 +1469,7 @@ static void carl9170_op_sta_notify(struct ieee80211_hw *hw,
skb_queue_walk_safe(&ar->tx_pending[i], skb, tmp) {
struct _carl9170_tx_superframe *super;
struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *info;
super = (void *) skb->data;
hdr = (void *) super->frame_data;
@ -1470,6 +1478,11 @@ static void carl9170_op_sta_notify(struct ieee80211_hw *hw,
continue;
__skb_unlink(skb, &ar->tx_pending[i]);
info = IEEE80211_SKB_CB(skb);
if (info->flags & IEEE80211_TX_CTL_AMPDU)
atomic_dec(&ar->tx_ampdu_upload);
carl9170_tx_status(ar, skb, false);
}
spin_unlock_bh(&ar->tx_pending[i].lock);