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mac80211: avoid transmitting delBA to old AP

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When roaming while we have active BA session,
we can end up transmitting delBA frames to
the old AP while we're already on the new AP's
channel, which can cause warnings.

Simply avoid sending those frames, but still
tear down the internal session state, since
they are not really necessary anyway as we
will implicitly disassociate when sending the
association to the new AP.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2010-10-05 19:37:40 +02:00
committed by John W. Linville
parent 845d708e62
commit 53f73c09d6
11 changed files with 48 additions and 35 deletions
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2
net/mac80211/util.c
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@@ -1221,7 +1221,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
mutex_lock(&local->sta_mtx);
list_for_each_entry(sta, &local->sta_list, list) {
ieee80211_sta_tear_down_BA_sessions(sta);
ieee80211_sta_tear_down_BA_sessions(sta, true);
clear_sta_flags(sta, WLAN_STA_BLOCK_BA);
}