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>
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 8b9fb66..6c3e9d1 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2075,6 +2075,13 @@
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) {