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authorJohannes Berg <johannes.berg@intel.com>2011-01-18 13:51:05 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-01-19 11:36:11 -0500
commit0b01f030d38e00650e2db42da083d8647aad40a5 (patch)
tree14519750d9b6cdb046624dd87d5323a4826821e2 /drivers/net/wireless/mac80211_hwsim.c
parentac1bd8464f161ed1475ef73c431b926256c6b5bb (diff)
downloadlinux-stericsson-0b01f030d38e00650e2db42da083d8647aad40a5.tar.gz
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/mac80211_hwsim.c')
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 454f045ddff3..5d39b2840584 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -943,7 +943,8 @@ static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw,
static int mac80211_hwsim_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_TX_START: