diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netfilter.h | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index 89e6c72ad295..66bc52060fd6 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -6,11 +6,13 @@ #include <linux/types.h> #include <linux/skbuff.h> #include <linux/net.h> +#include <linux/netdevice.h> #include <linux/if.h> #include <linux/in.h> #include <linux/in6.h> #include <linux/wait.h> #include <linux/list.h> +#include <net/net_namespace.h> #endif #include <linux/compiler.h> @@ -76,7 +78,6 @@ extern void netfilter_init(void); #define NF_MAX_HOOKS 8 struct sk_buff; -struct net_device; typedef unsigned int nf_hookfn(unsigned int hooknum, struct sk_buff *skb, @@ -320,5 +321,56 @@ extern void (*nf_ct_destroy)(struct nf_conntrack *); static inline void nf_ct_attach(struct sk_buff *new, struct sk_buff *skb) {} #endif +static inline struct net *nf_pre_routing_net(const struct net_device *in, + const struct net_device *out) +{ +#ifdef CONFIG_NET_NS + return in->nd_net; +#else + return &init_net; +#endif +} + +static inline struct net *nf_local_in_net(const struct net_device *in, + const struct net_device *out) +{ +#ifdef CONFIG_NET_NS + return in->nd_net; +#else + return &init_net; +#endif +} + +static inline struct net *nf_forward_net(const struct net_device *in, + const struct net_device *out) +{ +#ifdef CONFIG_NET_NS + BUG_ON(in->nd_net != out->nd_net); + return in->nd_net; +#else + return &init_net; +#endif +} + +static inline struct net *nf_local_out_net(const struct net_device *in, + const struct net_device *out) +{ +#ifdef CONFIG_NET_NS + return out->nd_net; +#else + return &init_net; +#endif +} + +static inline struct net *nf_post_routing_net(const struct net_device *in, + const struct net_device *out) +{ +#ifdef CONFIG_NET_NS + return out->nd_net; +#else + return &init_net; +#endif +} + #endif /*__KERNEL__*/ #endif /*__LINUX_NETFILTER_H*/ |