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mac80211: fix broadcast frame handling for 4-addr AP VLANs

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Without this patch, broadcast frames from the station behind a
4-addr AP VLAN would be reflected back to the source.
Fix this by checking the 4-addr flag before bridging multicast
frames in the cell.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2009-11-11 13:17:36 +01:00 committed by John W. Linville
parent 61fa713c75
commit f501dba4c4
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/rx.c
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@ -1236,7 +1236,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
if ((sdata->vif.type == NL80211_IFTYPE_AP ||
sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
!(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&
(rx->flags & IEEE80211_RX_RA_MATCH)) {
(rx->flags & IEEE80211_RX_RA_MATCH) && !rx->sdata->use_4addr) {
if (is_multicast_ether_addr(ehdr->h_dest)) {
/*
* send multicast frames both to higher layers in