The following commit has been merged in the master branch: commit 02233e0c75fc512ca60e7e82943f0a4395a85411 Author: Linus Lüssing linus.luessing@web.de Date: Wed Oct 17 15:07:35 2012 +0200

batman-adv: Do not add multicast MAC addresses to translation table

The current translation table mechanism is not suitable for multicast addresses and we are currently flooding such frames anyway.

Therefore this patch prevents multicast MAC addresses being added to the translation table.

Signed-off-by: Linus Lüssing linus.luessing@web.de Acked-by: Antonio Quartulli ordex@autistici.org Signed-off-by: Marek Lindner lindner_marek@yahoo.de Signed-off-by: Antonio Quartulli ordex@autistici.org

diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 90f4049..f8cc142 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -180,7 +180,8 @@ static int batadv_interface_tx(struct sk_buff *skb, goto dropped;

/* Register the client MAC in the transtable */ - batadv_tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif); + if (!is_multicast_ether_addr(ethhdr->h_source)) + batadv_tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif);

/* don't accept stp packets. STP does not help in meshes. * better use the bridge loop avoidance ...