From: Johannes Berg Date: Wed, 6 Aug 2008 19:45:26 +0000 (+0200) Subject: mac80211: fill start-sequence-number for BA session start X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7f93ea3e246db512c0c17b79847f57dd3a2891e1;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git mac80211: fill start-sequence-number for BA session start Otherwise, drivers are required to keep track of the sequence numbers themselves, and they really shouldn't be since we already do it for them. I'll fix the race once we figure out how this code should work at all, it's currently disabled. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 398ca66bdfcb..638b75f36e23 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -598,7 +598,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) struct ieee80211_local *local = hw_to_local(hw); struct sta_info *sta; struct ieee80211_sub_if_data *sdata; - u16 start_seq_num = 0; + u16 start_seq_num; u8 *state; int ret; DECLARE_MAC_BUF(mac); @@ -678,6 +678,9 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) * call back right away, it must see that the flow has begun */ *state |= HT_ADDBA_REQUESTED_MSK; + /* This is slightly racy because the queue isn't stopped */ + start_seq_num = sta->tid_seq[tid]; + if (local->ops->ampdu_action) ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_TX_START, ra, tid, &start_seq_num);