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wl1251: Send null data packet with "TODS" bit set 

According to IEEE80211 standard all the data packets have to be sent with
TODS bit set. This patch fixes the null data packet format which was sent
without TODS bit set. This should fix many problems associated with
power save. Janne Ylalehto also found this fix in the same time as mine,
for a different bug he was working on.

Signed-off-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Reviewed-by: Janne Ylalehto <janne.ylalehto@nokia.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vidhya Govindan 2009-11-17 18:49:54 +02:00 committed by John W. Linville
parent 79553f82c9
commit 06cc5d3bb0
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/wl12xx/wl1251_main.c
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@ -576,7 +576,8 @@ static int wl1251_build_null_data(struct wl1251 *wl)
memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
IEEE80211_STYPE_NULLFUNC);
IEEE80211_STYPE_NULLFUNC |
IEEE80211_FCTL_TODS);
return wl1251_cmd_template_set(wl, CMD_NULL_DATA, &template,
sizeof(template));