diff options
author | Michal Kazior <michal.kazior@tieto.com> | 2013-09-13 14:16:56 +0200 |
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committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2013-09-16 19:47:46 +0300 |
commit | ed54388a38d817dce7fe22e7dc80fc13b1a6838e (patch) | |
tree | 8af974a287b4ed329f511725b87a62265d362763 /drivers/net/wireless/ath/ath10k/mac.c | |
parent | 12acbc43c1c302022984bf0af89ac5f0a24b133a (diff) | |
download | lwn-ed54388a38d817dce7fe22e7dc80fc13b1a6838e.tar.gz lwn-ed54388a38d817dce7fe22e7dc80fc13b1a6838e.zip |
ath10k: improve beacon submission latency
The patch prevents beacon misses in some case of
heavy load on a system.
If a beacon can't be transmitted directly from an
SWBA event it will be left in arvif->beacon and
transmission will be retried once TX credits
become available.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/mac.c')
-rw-r--r-- | drivers/net/wireless/ath/ath10k/mac.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 8b9fb660519b..6c3e9d1f80d9 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -2075,6 +2075,13 @@ static void ath10k_remove_interface(struct ieee80211_hw *hw, mutex_lock(&ar->conf_mutex); + spin_lock_bh(&ar->data_lock); + if (arvif->beacon) { + dev_kfree_skb_any(arvif->beacon); + arvif->beacon = NULL; + } + spin_unlock_bh(&ar->data_lock); + ar->free_vdev_map |= 1 << (arvif->vdev_id); if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { |