From: Luis Carlos Cobo Date: Wed, 6 Aug 2008 11:17:54 +0000 (+0200) Subject: mac80211: keep mesh ifaces in allmulti mode X-Git-Tag: v2.6.27-rc3~69^2~8 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8dbc1722a78343eb80f0ce1a3ef1965a9774ad5b;p=linux-2.6 mac80211: keep mesh ifaces in allmulti mode Currently a mesh node will not forward a multicast frame if it is not subscribed to the specific multicast address. This patch addresses the issue and fixes mesh multicast forwarding. Signed-off-by: Luis Carlos Cobo Acked-by: Johannes Berg Signed-off-by: John W. Linville --- diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 0c02c471bc..aa5a191598 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -245,10 +245,13 @@ static int ieee80211_open(struct net_device *dev) case IEEE80211_IF_TYPE_AP: sdata->bss = &sdata->u.ap; break; + case IEEE80211_IF_TYPE_MESH_POINT: + /* mesh ifaces must set allmulti to forward mcast traffic */ + atomic_inc(&local->iff_allmultis); + break; case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_MNTR: case IEEE80211_IF_TYPE_IBSS: - case IEEE80211_IF_TYPE_MESH_POINT: /* no special treatment */ break; case IEEE80211_IF_TYPE_INVALID: @@ -495,6 +498,9 @@ static int ieee80211_stop(struct net_device *dev) netif_addr_unlock_bh(local->mdev); break; case IEEE80211_IF_TYPE_MESH_POINT: + /* allmulti is always set on mesh ifaces */ + atomic_dec(&local->iff_allmultis); + /* fall through */ case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_IBSS: sdata->u.sta.state = IEEE80211_DISABLED;