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[RFC] mac80211: set only VO as a U-APSD enabled AC

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Some APs experience problems when working with U-APSD. Decrease the
probability of that happening by using legacy mode for all ACs but VO.

The AP that caused us troubles was a Cisco 4410N. It ignores our
setting, and always treats non-VO ACs as legacy.

Signed-off-by: Arik Nemtsov <arik@xxxxxxxxxx>
---
Let's have another go at this :)

 net/mac80211/ieee80211_i.h |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index ddf768f..58436c3 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -56,10 +56,7 @@ struct ieee80211_local;
 #define TU_TO_EXP_TIME(x)	(jiffies + TU_TO_JIFFIES(x))
 
 #define IEEE80211_DEFAULT_UAPSD_QUEUES \
-	(IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |	\
-	 IEEE80211_WMM_IE_STA_QOSINFO_AC_BE |	\
-	 IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |	\
-	 IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
+	IEEE80211_WMM_IE_STA_QOSINFO_AC_VO
 
 #define IEEE80211_DEFAULT_MAX_SP_LEN		\
 	IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
-- 
1.7.9.5

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