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mac80211: keep mesh ifaces in allmulti mode

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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>
This commit is contained in:
Luis Carlos Cobo 2008-08-06 13:17:54 +02:00 committed by John W. Linville
parent e32f85f7b9
commit 8dbc1722a7
1 changed files with 7 additions and 1 deletions
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8
net/mac80211/main.c
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@ -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;