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fix software rx filter for ibss mode (based on a patch by harald schiöberg)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17220 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2009-08-11 02:14:28 +00:00
parent 38a1e2c738
commit 08b4be02d2
1 changed files with 20 additions and 0 deletions
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20
package/madwifi/patches/442-ibss_rx_filter.patch Normal file
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@ -0,0 +1,20 @@
--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -294,6 +294,17 @@ ieee80211_input(struct ieee80211vap * va
break;
case IEEE80211_M_IBSS:
case IEEE80211_M_AHDEMO:
+ if (!IEEE80211_ADDR_EQ(wh->i_addr3, vap->iv_bssid) ||
+ (!IEEE80211_ADDR_EQ(wh->i_addr1, vap->iv_myaddr) &&
+ !IEEE80211_IS_MULTICAST(wh->i_addr1) &&
+ (subtype != IEEE80211_FC0_SUBTYPE_BEACON))) {
+ if (!(vap->iv_dev->flags & IFF_PROMISC)) {
+ IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
+ bssid, NULL, "%s", "not to bss");
+ vap->iv_stats.is_rx_wrongbss++;
+ goto out;
+ }
+ }
if (dir != IEEE80211_FC1_DIR_NODS)
bssid = wh->i_addr1;
else if (type == IEEE80211_FC0_TYPE_CTL)