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 --- soft-interface.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/soft-interface.c b/soft-interface.c index 2d1f895..9955319 100644 --- a/soft-interface.c +++ b/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 ...