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authorLuis Carlos Cobo <luisca@cozybit.com>2008-08-06 13:17:54 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-08-07 09:49:04 -0400
commit8dbc1722a78343eb80f0ce1a3ef1965a9774ad5b (patch)
tree5b715063ed70e82817578301a81a64ad947f6322 /net/mac80211
parente32f85f7b917456265d4c30d15f734c4912cfa6a (diff)
downloadlinux-8dbc1722a78343eb80f0ce1a3ef1965a9774ad5b.tar.bz2
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 <luisca@cozybit.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/main.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 0c02c471bca2..aa5a191598c9 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;