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mac80211: don't drop mesh peering frames from unknown STA 

Previously, mesh peering frames from a STA without a station
entry were being dropped.

Mesh Peering Open and other frames (WLAN_CATEGORY_SELF_PROTECTED)
are valid mesh peering frames even if received from a yet unknown
station; the STA entry will be created in mesh_peer_init later.

The problem didn't occur previously since both STAs receive each
other's beacons which created the STA entry. However, this causes
an unnecessary delay and beacons might not be received if either
node is in PS mode.

Signed-off-by: Marco Porsch <marco.porsch@etit.tu-chemnitz.de>
[reword commit log a bit]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Marco Porsch 2012-12-05 15:04:26 -08:00 committed by Johannes Berg
parent 751413eadc
commit 815b8092bd
1 changed files with 2 additions and 1 deletions
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3
net/mac80211/rx.c
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@ -2333,7 +2333,8 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
if (len < IEEE80211_MIN_ACTION_SIZE)
return RX_DROP_UNUSABLE;
if (!rx->sta && mgmt->u.action.category != WLAN_CATEGORY_PUBLIC)
if (!rx->sta && mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
mgmt->u.action.category != WLAN_CATEGORY_SELF_PROTECTED)
return RX_DROP_UNUSABLE;
if (!(status->rx_flags & IEEE80211_RX_RA_MATCH))