summaryrefslogtreecommitdiffstats
path: root/net/mac80211
diff options
context:
space:
mode:
authorJohannes Berg <johannes.berg@intel.com>2011-09-29 16:04:26 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-09-30 15:57:10 -0400
commit042ec4533720122e6cb93dd9f3b6a75fe2fcff16 (patch)
treeed8fad40c171ab54155ce316496f68d79b438b01 /net/mac80211
parent941c93cd039852b7ab02c74f4698c99d82bd6cfe (diff)
mac80211: let drivers inform it about per TID buffered frames
For uAPSD implementation, it is necessary to know on which ACs frames are buffered. mac80211 obviously knows about the frames it has buffered itself, but with aggregation many drivers buffer frames. Thus, mac80211 needs to be informed about this. For now, since we don't have APSD in any form, this will unconditionally set the TIM bit for the station but later with uAPSD only some ACs might cause the TIM bit to be set. ath9k is the only driver using this API and I only modify it in the most basic way, it won't be able to implement uAPSD with this yet. But it can't do that anyway since there's no way to selectively release frames to the peer yet. Since drivers will buffer frames per TID, let them inform mac80211 on a per TID basis, mac80211 will then sort out the AC mapping itself. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/sta_info.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index c52e58c0a97..016742d4c48 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1117,11 +1117,15 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
}
EXPORT_SYMBOL(ieee80211_sta_block_awake);
-void ieee80211_sta_set_tim(struct ieee80211_sta *pubsta)
+void ieee80211_sta_set_buffered(struct ieee80211_sta *pubsta,
+ u8 tid, bool buffered)
{
struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
+ if (!buffered)
+ return;
+
set_sta_flags(sta, WLAN_STA_PS_DRIVER_BUF);
sta_info_set_tim_bit(sta);
}
-EXPORT_SYMBOL(ieee80211_sta_set_tim);
+EXPORT_SYMBOL(ieee80211_sta_set_buffered);