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

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@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arik Nemtsov 2012-06-18 10:43:50 +03:00 committed by Johannes Berg
parent 04800ada2a
commit d6a4ed6fe0
1 changed files with 7 additions and 4 deletions
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11
net/mac80211/ieee80211_i.h
View File

@ -55,11 +55,14 @@ struct ieee80211_local;
#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
/*
* 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 trouble was a Cisco 4410N. It ignores our
* setting, and always treats non-VO ACs as legacy.
*/
#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