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 int deliver_clone(const struct vnsw_if *prev, struct sk_buff *skb, void (*__packet_hook)(const struct vnsw_if *ifp, struct sk_buff *skb)) { struct net_device *dev = VNSW_IN_SKB_CB(skb)->brdev; skb = skb_clone(skb, GFP_ATOMIC); if (!skb) { dev->stats.tx_dropped++; return -ENOMEM; } __packet_hook(prev, skb); return 0; }