Cross Reference: /include/linux/netfilter

Lines Matching refs:skb
27 static inline unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb)
29 	switch (skb->protocol) {
39 static inline void nf_bridge_update_protocol(struct sk_buff *skb)
41 	if (skb->nf_bridge->mask & BRNF_8021Q)
42 		skb->protocol = htons(ETH_P_8021Q);
43 	else if (skb->nf_bridge->mask & BRNF_PPPoE)
44 		skb->protocol = htons(ETH_P_PPP_SES);
52 static inline int nf_bridge_copy_header(struct sk_buff *skb)
57 	nf_bridge_update_protocol(skb);
58 	header_size = ETH_HLEN + nf_bridge_encap_header_len(skb);
59 	err = skb_cow_head(skb, header_size);
63 	skb_copy_to_linear_data_offset(skb, -header_size,
64 				       skb->nf_bridge->data, header_size);
65 	__skb_push(skb, nf_bridge_encap_header_len(skb));
69 static inline int nf_bridge_maybe_copy_header(struct sk_buff *skb)
71 	if (skb->nf_bridge &&
72 	    skb->nf_bridge->mask & (BRNF_BRIDGED | BRNF_BRIDGED_DNAT))
73 		return nf_bridge_copy_header(skb);
77 static inline unsigned int nf_bridge_mtu_reduction(const struct sk_buff *skb)
79 	if (unlikely(skb->nf_bridge->mask & BRNF_PPPoE))
84 int br_handle_frame_finish(struct sk_buff *skb);
86 static inline int br_nf_pre_routing_finish_bridge_slow(struct sk_buff *skb)
88 	struct nf_bridge_info *nf_bridge = skb->nf_bridge;
90 	skb_pull(skb, ETH_HLEN);
92 	skb_copy_to_linear_data_offset(skb, -(ETH_HLEN-ETH_ALEN),
93 				       skb->nf_bridge->data, ETH_HLEN-ETH_ALEN);
94 	skb->dev = nf_bridge->physindev;
95 	return br_handle_frame_finish(skb);
100 static inline unsigned int nf_bridge_pad(const struct sk_buff *skb)
102 	if (skb->nf_bridge)
103 		return nf_bridge_encap_header_len(skb);
113 static inline void br_drop_fake_rtable(struct sk_buff *skb)
115 	struct dst_entry *dst = skb_dst(skb);
118 		skb_dst_drop(skb);
122 #define nf_bridge_maybe_copy_header(skb)	(0)
123 #define nf_bridge_pad(skb)			(0)
124 #define br_drop_fake_rtable(skb)	        do { } while (0)