1 #ifndef _BR_NETFILTER_H_
2 #define _BR_NETFILTER_H_
4 #include "../../../net/bridge/br_private.h"
6 static inline struct nf_bridge_info *nf_bridge_alloc(struct sk_buff *skb)
8 skb->nf_bridge = kzalloc(sizeof(struct nf_bridge_info), GFP_ATOMIC);
10 if (likely(skb->nf_bridge))
11 atomic_set(&(skb->nf_bridge->use), 1);
13 return skb->nf_bridge;
16 void nf_bridge_update_protocol(struct sk_buff *skb);
18 static inline struct nf_bridge_info *
19 nf_bridge_info_get(const struct sk_buff *skb)
21 return skb->nf_bridge;
24 unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb);
26 static inline void nf_bridge_push_encap_header(struct sk_buff *skb)
28 unsigned int len = nf_bridge_encap_header_len(skb);
31 skb->network_header -= len;
34 int br_nf_pre_routing_finish_bridge(struct net *net, struct sock *sk, struct sk_buff *skb);
36 static inline struct rtable *bridge_parent_rtable(const struct net_device *dev)
38 struct net_bridge_port *port;
40 port = br_port_get_rcu(dev);
41 return port ? &port->br->fake_rtable : NULL;
44 struct net_device *setup_pre_routing(struct sk_buff *skb);
45 void br_netfilter_enable(void);
47 #if IS_ENABLED(CONFIG_IPV6)
48 int br_validate_ipv6(struct net *net, struct sk_buff *skb);
49 unsigned int br_nf_pre_routing_ipv6(void *priv,
51 const struct nf_hook_state *state);
53 static inline int br_validate_ipv6(struct net *net, struct sk_buff *skb)
58 static inline unsigned int
59 br_nf_pre_routing_ipv6(const struct nf_hook_ops *ops, struct sk_buff *skb,
60 const struct nf_hook_state *state)
66 #endif /* _BR_NETFILTER_H_ */