Commit 8953de2f authored Mar 01, 2017 by Mike Manning Committed by David S. Miller Mar 01, 2017

net: bridge: allow IPv6 when multicast flood is disabled



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: b6cb5ac8 ("net: bridge: add per-port multicast flood flag")
Cc: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Mike Manning <mmanning@brocade.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 16c54ac9

net/bridge/br_forward.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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 */

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