Commit de651ce3 authored Feb 23, 2016 by Xinming Hu Committed by Kalle Valo Mar 07, 2016

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>

parent ce254243

drivers/net/wireless/marvell/mwifiex/tdls.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}

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