diff options
| 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 /drivers/net/wireless/ath/ar9170/main.c | |
| parent | ac1bd8464f161ed1475ef73c431b926256c6b5bb (diff) | |
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 'drivers/net/wireless/ath/ar9170/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/ar9170/main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c index 32bf79e6a32..a9111e1161f 100644 --- a/drivers/net/wireless/ath/ar9170/main.c +++ b/drivers/net/wireless/ath/ar9170/main.c @@ -1945,7 +1945,8 @@ static int ar9170_conf_tx(struct ieee80211_hw *hw, u16 queue, static int ar9170_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum ieee80211_ampdu_mlme_action action, - struct ieee80211_sta *sta, u16 tid, u16 *ssn) + struct ieee80211_sta *sta, u16 tid, u16 *ssn, + u8 buf_size) { switch (action) { case IEEE80211_AMPDU_RX_START: |