If multicast snooping is enabled, multicast packets may not always end up on the local bridge interface, if the host is not a member of the multicast group. Similar to how IFF_PROMISC allows all packets to be received locally, let IFF_ALLMULTI allow all multicast packets to be received. Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> --- net/bridge/br_input.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 232133a0fd21..7fa2da6985b5 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -155,6 +155,8 @@ int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb pkt_type = BR_PKT_MULTICAST; if (br_multicast_rcv(&brmctx, &pmctx, vlan, skb, vid)) goto drop; + if (br->dev->flags & IFF_ALLMULTI) + local_rcv = true; } } -- 2.47.1
