void br_forward(struct net_bridge_port *to, struct sk_buff *skb)
{
if (should_deliver(to, skb)) {
__br_forward(to, skb);
return;
}
kfree_skb(skb);
}
/* called with rcu_read_lock */
void vnsw_deliver(const struct vnsw_if *to, struct sk_buff *skb)
{
if (should_deliver(to, skb)) {
__vnsw_deliver(to, skb);
return;
}
kfree_skb(skb);
}
/* called with rcu_read_lock */
void vnsw_forward(const struct vnsw_if *to, struct sk_buff *skb, struct sk_buff *skb0)
{
if (should_deliver(to, skb)) {
if (skb0)
deliver_clone(to, skb, __vnsw_forward);
else
__vnsw_forward(to, skb);
return;
}
if (!skb0)
kfree_skb(skb);
}
static void br_flood(struct net_bridge *br, struct sk_buff *skb, int clone,
void (*__packet_hook)(struct net_bridge_port *p, struct sk_buff *skb))
{
struct net_bridge_port *p;
struct net_bridge_port *prev;
if (clone) {
struct sk_buff *skb2;
if ((skb2 = skb_clone(skb, GFP_ATOMIC)) == NULL) {
br->statistics.tx_dropped++;
return;
}
skb = skb2;
}
prev = NULL;
p = br->port_list;
while (p != NULL) {
if (should_deliver(p, skb)) {
if (prev != NULL) {
struct sk_buff *skb2;
if ((skb2 = skb_clone(skb, GFP_ATOMIC)) == NULL) {
br->statistics.tx_dropped++;
kfree_skb(skb);
return;
}
__packet_hook(prev, skb2);
}
prev = p;
}
p = p->next;
}
if (prev != NULL) {
__packet_hook(prev, skb);
return;
}
kfree_skb(skb);
}
static struct vnsw_if *maybe_deliver(
struct vnsw_if *ifprev, struct vnsw_if *ifp,
struct sk_buff *skb,
void (*__packet_hook)(const struct vnsw_if *ifp,
struct sk_buff *skb))
{
int err;
if (!should_deliver(p, skb))
return prev;
if (!prev)
goto out;
/**
* Need to check if we deliver clone?
*/
err = deliver_clone(prev, skb, __packet_hook);
if (err)
return ERR_PTR(err);
out:
return ifp;
}
