~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/net/netfilter/br_netfilter.h

Version: ~ [ linux-5.13-rc5 ] ~ [ linux-5.12.9 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.42 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.124 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.193 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.235 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.271 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.271 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef _BR_NETFILTER_H_
  3 #define _BR_NETFILTER_H_
  4 
  5 #include <linux/netfilter.h>
  6 
  7 #include "../../../net/bridge/br_private.h"
  8 
  9 static inline struct nf_bridge_info *nf_bridge_alloc(struct sk_buff *skb)
 10 {
 11 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
 12         struct nf_bridge_info *b = skb_ext_add(skb, SKB_EXT_BRIDGE_NF);
 13 
 14         if (b)
 15                 memset(b, 0, sizeof(*b));
 16 
 17         return b;
 18 #else
 19         return NULL;
 20 #endif
 21 }
 22 
 23 void nf_bridge_update_protocol(struct sk_buff *skb);
 24 
 25 int br_nf_hook_thresh(unsigned int hook, struct net *net, struct sock *sk,
 26                       struct sk_buff *skb, struct net_device *indev,
 27                       struct net_device *outdev,
 28                       int (*okfn)(struct net *, struct sock *,
 29                                   struct sk_buff *));
 30 
 31 unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb);
 32 
 33 static inline void nf_bridge_push_encap_header(struct sk_buff *skb)
 34 {
 35         unsigned int len = nf_bridge_encap_header_len(skb);
 36 
 37         skb_push(skb, len);
 38         skb->network_header -= len;
 39 }
 40 
 41 int br_nf_pre_routing_finish_bridge(struct net *net, struct sock *sk, struct sk_buff *skb);
 42 
 43 static inline struct rtable *bridge_parent_rtable(const struct net_device *dev)
 44 {
 45 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
 46         struct net_bridge_port *port;
 47 
 48         port = br_port_get_rcu(dev);
 49         return port ? &port->br->fake_rtable : NULL;
 50 #else
 51         return NULL;
 52 #endif
 53 }
 54 
 55 struct net_device *setup_pre_routing(struct sk_buff *skb,
 56                                      const struct net *net);
 57 
 58 #if IS_ENABLED(CONFIG_IPV6)
 59 int br_validate_ipv6(struct net *net, struct sk_buff *skb);
 60 unsigned int br_nf_pre_routing_ipv6(void *priv,
 61                                     struct sk_buff *skb,
 62                                     const struct nf_hook_state *state);
 63 #else
 64 static inline int br_validate_ipv6(struct net *net, struct sk_buff *skb)
 65 {
 66         return -1;
 67 }
 68 
 69 static inline unsigned int
 70 br_nf_pre_routing_ipv6(void *priv, struct sk_buff *skb,
 71                        const struct nf_hook_state *state)
 72 {
 73         return NF_ACCEPT;
 74 }
 75 #endif
 76 
 77 #endif /* _BR_NETFILTER_H_ */
 78 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp