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_ */
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