On 01/03/17 11:55, Mike Manning wrote:
> Even with multicast flooding turned off, IPv6 ND should still work so
> that IPv6 connectivity is provided. Allow this by continuing to flood
> multicast traffic originated by us.
>
> Fixes: b6cb5ac8331b ("net: bridge: add per-port multicast flood flag")
> Cc: Nikolay Aleksandrov <[email protected]>
> Signed-off-by: Mike Manning <[email protected]>
> ---
> net/bridge/br_forward.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
> index 6bfac29..902af6b 100644
> --- a/net/bridge/br_forward.c
> +++ b/net/bridge/br_forward.c
> @@ -186,8 +186,9 @@ void br_flood(struct net_bridge *br, struct sk_buff *skb,
> /* Do not flood unicast traffic to ports that turn it off */
> if (pkt_type == BR_PKT_UNICAST && !(p->flags & BR_FLOOD))
> continue;
> + /* Do not flood if mc off, except for traffic we originate */
> if (pkt_type == BR_PKT_MULTICAST &&
> - !(p->flags & BR_MCAST_FLOOD))
> + !(p->flags & BR_MCAST_FLOOD) && skb->dev != br->dev)
> continue;
>
> /* Do not flood to ports that enable proxy ARP */
>
+CC bridge maintainers
Acked-by: Nikolay Aleksandrov <[email protected]>
