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batman-adv: drop STP over batman 

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
This commit is contained in:
Simon Wunderlich 2012-01-22 20:00:25 +01:00 committed by Antonio Quartulli
parent fe2da6ff27
commit b1a8c04b8a
1 changed files with 8 additions and 0 deletions
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8
net/batman-adv/soft-interface.c
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@ -130,6 +130,8 @@ 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;
static const 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 +161,12 @@ 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;