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bridge: memorize and export selected IGMP/MLD querier port

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Adding bridge support to the batman-adv multicast optimization requires
batman-adv knowing about the existence of bridged-in IGMP/MLD queriers
to be able to reliably serve any multicast listener behind this same
bridge.

Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Linus Lüssing
2014-06-07 18:26:29 +02:00
committed by David S. Miller
parent 07f8ac4a1e
commit 2cd4143192
3 changed files with 68 additions and 6 deletions
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include/linux/if_bridge.h
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@@ -38,5 +38,6 @@ typedef int br_should_route_hook_t(struct sk_buff *skb);
extern br_should_route_hook_t __rcu *br_should_route_hook;
int br_multicast_list_adjacent(struct net_device *dev,
struct list_head *br_ip_list);
bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
#endif