tree 88774b1a46072fd3b0418b36d39d447b78fbfc51
parent e15276a4b220c54db665cf46a92bd9ceb9aeb052
author Vivek Natarajan <vnatarajan@atheros.com> 1265707228 +0530
committer John W. Linville <linville@tuxdriver.com> 1265742605 -0500

mac80211: Retry null data frame for power save.

Even if the null data frame is not acked by the AP, mac80211
goes into power save. This might lead to loss of frames
from the AP.
Prevent this by restarting dynamic_ps_timer when ack is not
received for null data frames.

Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>