- int err;
-
- if (skb->nf_bridge) {
- if (skb->protocol == __constant_htons(ETH_P_8021Q)) {
- err = skb_cow(skb, 18);
- if (err)
- return err;
- memcpy(skb->data - 18, skb->nf_bridge->data, 18);
- skb_push(skb, 4);
- } else {
- err = skb_cow(skb, 16);
- if (err)
- return err;
- memcpy(skb->data - 16, skb->nf_bridge->data, 16);
- }
- }
- return 0;
-}
-
-static inline
-void nf_bridge_save_header(struct sk_buff *skb)
-{
- int header_size = 16;
-
- if (skb->protocol == __constant_htons(ETH_P_8021Q))
- header_size = 18;
-
- memcpy(skb->nf_bridge->data, skb->data - header_size, header_size);