1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_BRIDGE_NETFILTER_H
3 #define __LINUX_BRIDGE_NETFILTER_H
5 #include <uapi/linux/netfilter_bridge.h>
6 #include <linux/skbuff.h>
8 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
10 int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb);
12 static inline void br_drop_fake_rtable(struct sk_buff *skb)
14 struct dst_entry *dst = skb_dst(skb);
16 if (dst && (dst->flags & DST_FAKE_RTABLE))
20 static inline int nf_bridge_get_physinif(const struct sk_buff *skb)
22 struct nf_bridge_info *nf_bridge;
24 if (skb->nf_bridge == NULL)
27 nf_bridge = skb->nf_bridge;
28 return nf_bridge->physindev ? nf_bridge->physindev->ifindex : 0;
31 static inline int nf_bridge_get_physoutif(const struct sk_buff *skb)
33 struct nf_bridge_info *nf_bridge;
35 if (skb->nf_bridge == NULL)
38 nf_bridge = skb->nf_bridge;
39 return nf_bridge->physoutdev ? nf_bridge->physoutdev->ifindex : 0;
42 static inline struct net_device *
43 nf_bridge_get_physindev(const struct sk_buff *skb)
45 return skb->nf_bridge ? skb->nf_bridge->physindev : NULL;
48 static inline struct net_device *
49 nf_bridge_get_physoutdev(const struct sk_buff *skb)
51 return skb->nf_bridge ? skb->nf_bridge->physoutdev : NULL;
54 static inline bool nf_bridge_in_prerouting(const struct sk_buff *skb)
56 return skb->nf_bridge && skb->nf_bridge->in_prerouting;
59 #define br_drop_fake_rtable(skb) do { } while (0)
60 static inline bool nf_bridge_in_prerouting(const struct sk_buff *skb)
64 #endif /* CONFIG_BRIDGE_NETFILTER */