From: Simon Wunderlich simon.wunderlich@s2003.tu-chemnitz.de
Signed-off-by: Simon Wunderlich siwu@hrz.tu-chemnitz.de Signed-off-by: Antonio Quartulli ordex@autistici.org --- net/batman-adv/soft-interface.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 9a21e9f..7585029 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -130,6 +130,7 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) struct hard_iface *primary_if = NULL; struct bcast_packet *bcast_packet; struct vlan_ethhdr *vhdr; + uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00, 0x00}; unsigned int header_len = 0; int data_len = skb->len, ret; short vid = -1; @@ -159,6 +160,11 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) /* Register the client MAC in the transtable */ 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 ... */ + if (compare_eth(ethhdr->h_dest, stp_addr)) + goto dropped; + if (is_multicast_ether_addr(ethhdr->h_dest)) { do_bcast = true;