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mac80211: process skb_queue while scanning in HW

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Queued frames aren't processed during scan, which results in an inability
to complete the BA session establishment until the scan ends. Since we
can't tx frames until the BA agreement setup is complete, it might result
in a very large latency during scan.
Fix this by allowing to process queued skbs while scanning in HW. This
should be ok since the devices which support hw scan should be able
to handle tx/rx while scanning.
During SW scan, mac80211 drops any txed frames besides probes and NDPs,
so it is still needed to delay processing of the queued frames till the
SW scan is done.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Andrei Otcheretianski 2015-08-15 22:04:01 +03:00 committed by Johannes Berg
parent 8de1c63ba1
commit fc58c47ef1
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/iface.c
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@ -1204,7 +1204,7 @@ static void ieee80211_iface_work(struct work_struct *work)
if (!ieee80211_sdata_running(sdata))
return;
if (local->scanning)
if (test_bit(SCAN_SW_SCANNING, &local->scanning))
return;
if (!ieee80211_can_run_worker(local))