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mac80211: fix spurious client reconnects triggered by rejected action frames being interpreted as chan switch announcements

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19064 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2010-01-07 19:15:30 +00:00
parent c3a643f552
commit 81d67c82e8
1 changed files with 26 additions and 0 deletions
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26
package/mac80211/patches/550-mac80211_action_frame_fix.patch Normal file
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@ -0,0 +1,26 @@
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1451,7 +1451,9 @@ static void ieee80211_sta_rx_queued_mgmt
rma = ieee80211_rx_mgmt_disassoc(sdata, mgmt, skb->len);
break;
case IEEE80211_STYPE_ACTION:
- /* XXX: differentiate, can only happen for CSA now! */
+ if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT)
+ break;
+
ieee80211_sta_process_chanswitch(sdata,
&mgmt->u.action.u.chan_switch.sw_elem,
(void *)ifmgd->associated->priv);
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1934,6 +1934,10 @@ ieee80211_rx_h_action(struct ieee80211_r
}
break;
default:
+ /* do not process rejected action frames */
+ if (mgmt->u.action.category & 0x80)
+ return RX_DROP_MONITOR;
+
return RX_CONTINUE;
}