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mac80211: redesign scan RX

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Scan receive is rather inefficient when there are
multiple virtual interfaces. We iterate all of the
virtual interfaces and then notify cfg80211 about
each beacon many times.

Redesign scan RX to happen before everything else.
Then we can also get rid of IEEE80211_RX_IN_SCAN
since we don't have to accept frames into the RX
handlers for scanning or scheduled scanning any
more. Overall, this simplifies the code.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2012-07-06 22:19:27 +02:00
parent 5260a5b2c3
commit d48b296850
4 changed files with 32 additions and 80 deletions
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net/mac80211/debugfs.c
-2
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@@ -325,8 +325,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
local->rx_handlers_drop_defrag);
DEBUGFS_STATS_ADD(rx_handlers_drop_short,
local->rx_handlers_drop_short);
DEBUGFS_STATS_ADD(rx_handlers_drop_passive_scan,
local->rx_handlers_drop_passive_scan);
DEBUGFS_STATS_ADD(tx_expand_skb_head,
local->tx_expand_skb_head);
DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned,