Commit f501dba4 authored Nov 11, 2009 by Felix Fietkau Committed by John W. Linville Nov 13, 2009

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



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>

parent 61fa713c

net/mac80211/rx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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