Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
4b7fd5d9 PNA |
2 | #ifndef _BR_NETFILTER_H_ |
3 | #define _BR_NETFILTER_H_ | |
4 | ||
230ac490 PNA |
5 | #include "../../../net/bridge/br_private.h" |
6 | ||
7 | static inline struct nf_bridge_info *nf_bridge_alloc(struct sk_buff *skb) | |
8 | { | |
de8bda1d | 9 | struct nf_bridge_info *b = skb_ext_add(skb, SKB_EXT_BRIDGE_NF); |
230ac490 | 10 | |
de8bda1d FW |
11 | if (b) |
12 | memset(b, 0, sizeof(*b)); | |
230ac490 | 13 | |
de8bda1d | 14 | return b; |
230ac490 PNA |
15 | } |
16 | ||
17 | void nf_bridge_update_protocol(struct sk_buff *skb); | |
18 | ||
c5136b15 FW |
19 | int br_nf_hook_thresh(unsigned int hook, struct net *net, struct sock *sk, |
20 | struct sk_buff *skb, struct net_device *indev, | |
21 | struct net_device *outdev, | |
22 | int (*okfn)(struct net *, struct sock *, | |
23 | struct sk_buff *)); | |
24 | ||
230ac490 PNA |
25 | unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb); |
26 | ||
27 | static inline void nf_bridge_push_encap_header(struct sk_buff *skb) | |
28 | { | |
29 | unsigned int len = nf_bridge_encap_header_len(skb); | |
30 | ||
31 | skb_push(skb, len); | |
32 | skb->network_header -= len; | |
33 | } | |
34 | ||
0c4b51f0 | 35 | int br_nf_pre_routing_finish_bridge(struct net *net, struct sock *sk, struct sk_buff *skb); |
230ac490 PNA |
36 | |
37 | static inline struct rtable *bridge_parent_rtable(const struct net_device *dev) | |
38 | { | |
39 | struct net_bridge_port *port; | |
40 | ||
41 | port = br_port_get_rcu(dev); | |
42 | return port ? &port->br->fake_rtable : NULL; | |
43 | } | |
44 | ||
45 | struct net_device *setup_pre_routing(struct sk_buff *skb); | |
4b7fd5d9 PNA |
46 | void br_netfilter_enable(void); |
47 | ||
230ac490 | 48 | #if IS_ENABLED(CONFIG_IPV6) |
c1444c63 | 49 | int br_validate_ipv6(struct net *net, struct sk_buff *skb); |
06198b34 | 50 | unsigned int br_nf_pre_routing_ipv6(void *priv, |
230ac490 PNA |
51 | struct sk_buff *skb, |
52 | const struct nf_hook_state *state); | |
53 | #else | |
c1444c63 | 54 | static inline int br_validate_ipv6(struct net *net, struct sk_buff *skb) |
230ac490 PNA |
55 | { |
56 | return -1; | |
57 | } | |
58 | ||
59 | static inline unsigned int | |
60 | br_nf_pre_routing_ipv6(const struct nf_hook_ops *ops, struct sk_buff *skb, | |
61 | const struct nf_hook_state *state) | |
62 | { | |
18e1db67 | 63 | return NF_ACCEPT; |
230ac490 PNA |
64 | } |
65 | #endif | |
66 | ||
4b7fd5d9 | 67 | #endif /* _BR_NETFILTER_H_ */ |