/* Bridge group multicast address 802.1d (pg 51). */
const u8 br_group_address[ETH_ALEN] = { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 };
+/* Hook for brouter */
+br_should_route_hook_t __rcu *br_should_route_hook __read_mostly;
+EXPORT_SYMBOL(br_should_route_hook);
+
static int br_pass_frame_up(struct sk_buff *skb)
{
struct net_device *indev, *brdev = BR_INPUT_SKB_CB(skb)->brdev;
{
struct net_bridge_port *p;
const unsigned char *dest = eth_hdr(skb)->h_dest;
- int (*rhook)(struct sk_buff *skb);
+ br_should_route_hook_t *rhook;
- if (skb->pkt_type == PACKET_LOOPBACK)
+ if (unlikely(skb->pkt_type == PACKET_LOOPBACK))
return skb;
if (!is_valid_ether_addr(eth_hdr(skb)->h_source))
goto drop;
/* If STP is turned off, then forward */
- if (p->br->stp_enabled == BR_NO_STP && dest[5] == 0)
+ if (p->br->stp_enabled == BR_NO_STP)
goto forward;
if (NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, skb->dev,
switch (p->state) {
case BR_STATE_FORWARDING:
rhook = rcu_dereference(br_should_route_hook);
- if (rhook != NULL) {
- if (rhook(skb))
+ if (rhook) {
+ if ((*rhook)(skb))
return skb;
dest = eth_hdr(skb)->h_dest;
}