mwifiex: add delay when tdls confirm frame is queued

It is observed that driver may send the data packet to tdls peer
before tdls peer receives tdls setup confirm frame.
Similar race condition exists during tdls teardown procedure also.
This patch adds 10 milliseconds delay to resolve the race.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Xinming Hu 2016-02-23 05:16:16 -08:00 committed by Kalle Valo
parent ce2542435a
commit de651ce3d7
1 changed files with 7 additions and 0 deletions

View File

@ -680,6 +680,13 @@ int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
__net_timestamp(skb);
mwifiex_queue_tx_pkt(priv, skb);
/* Delay 10ms to make sure tdls setup confirm/teardown frame
* is received by peer
*/
if (action_code == WLAN_TDLS_SETUP_CONFIRM ||
action_code == WLAN_TDLS_TEARDOWN)
msleep_interruptible(10);
return 0;
}