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| author | Johannes Berg <johannes.berg@intel.com> | 2011-01-18 13:51:05 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-01-19 11:36:11 -0500 |
| commit | 0b01f030d38e00650e2db42da083d8647aad40a5 (patch) | |
| tree | 14519750d9b6cdb046624dd87d5323a4826821e2 /net/mac80211/agg-rx.c | |
| parent | ac1bd8464f161ed1475ef73c431b926256c6b5bb (diff) | |
| download | linux-0b01f030d38e00650e2db42da083d8647aad40a5.tar.gz linux-0b01f030d38e00650e2db42da083d8647aad40a5.tar.bz2 linux-0b01f030d38e00650e2db42da083d8647aad40a5.zip | |
mac80211: track receiver's aggregation reorder buffer size
The aggregation code currently doesn't implement the
buffer size negotiation. It will always request a max
buffer size (which is fine, if a little pointless, as
the mac80211 code doesn't know and might just use 0
instead), but if the peer requests a smaller size it
isn't possible to honour this request.
In order to fix this, look at the buffer size in the
addBA response frame, keep track of it and pass it to
the driver in the ampdu_action callback when called
with the IEEE80211_AMPDU_TX_OPERATIONAL action. That
way the driver can limit the number of subframes in
aggregates appropriately.
Note that this doesn't fix any drivers apart from the
addition of the new argument -- they all need to be
updated separately to use this variable!
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/agg-rx.c')
| -rw-r--r-- | net/mac80211/agg-rx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 002db5e86eb6..1f51f4162426 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -76,7 +76,7 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, #endif /* CONFIG_MAC80211_HT_DEBUG */ if (drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_STOP, - &sta->sta, tid, NULL)) + &sta->sta, tid, NULL, 0)) printk(KERN_DEBUG "HW problem - can not stop rx " "aggregation for tid %d\n", tid); @@ -297,7 +297,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, } ret = drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_START, - &sta->sta, tid, &start_seq_num); + &sta->sta, tid, &start_seq_num, 0); #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "Rx A-MPDU request on tid %d result %d\n", tid, ret); #endif /* CONFIG_MAC80211_HT_DEBUG */ |