diff options
Diffstat (limited to 'include/linux/netfilter.h')
| -rw-r--r-- | include/linux/netfilter.h | 97 |
1 files changed, 28 insertions, 69 deletions
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index 0c5eb7ed8b3..48cfe51bfdd 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -5,13 +5,11 @@ #include <linux/init.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/types.h> #include <linux/compiler.h> @@ -52,6 +50,16 @@ enum nf_inet_hooks { NF_INET_NUMHOOKS }; +enum { + NFPROTO_UNSPEC = 0, + NFPROTO_IPV4 = 2, + NFPROTO_ARP = 3, + NFPROTO_BRIDGE = 7, + NFPROTO_IPV6 = 10, + NFPROTO_DECNET = 12, + NFPROTO_NUMPROTO, +}; + union nf_inet_addr { __u32 all[4]; __be32 ip; @@ -92,8 +100,8 @@ struct nf_hook_ops /* User fills in from here down. */ nf_hookfn *hook; struct module *owner; - int pf; - int hooknum; + u_int8_t pf; + unsigned int hooknum; /* Hooks are ordered in ascending priority. */ int priority; }; @@ -102,7 +110,7 @@ struct nf_sockopt_ops { struct list_head list; - int pf; + u_int8_t pf; /* Non-inclusive ranges: use 0/0/NULL to never get called. */ int set_optmin; @@ -138,9 +146,9 @@ extern struct ctl_path nf_net_netfilter_sysctl_path[]; extern struct ctl_path nf_net_ipv4_netfilter_sysctl_path[]; #endif /* CONFIG_SYSCTL */ -extern struct list_head nf_hooks[NPROTO][NF_MAX_HOOKS]; +extern struct list_head nf_hooks[NFPROTO_NUMPROTO][NF_MAX_HOOKS]; -int nf_hook_slow(int pf, unsigned int hook, struct sk_buff *skb, +int nf_hook_slow(u_int8_t pf, unsigned int hook, struct sk_buff *skb, struct net_device *indev, struct net_device *outdev, int (*okfn)(struct sk_buff *), int thresh); @@ -151,7 +159,7 @@ int nf_hook_slow(int pf, unsigned int hook, struct sk_buff *skb, * okfn must be invoked by the caller in this case. Any other return * value indicates the packet has been consumed by the hook. */ -static inline int nf_hook_thresh(int pf, unsigned int hook, +static inline int nf_hook_thresh(u_int8_t pf, unsigned int hook, struct sk_buff *skb, struct net_device *indev, struct net_device *outdev, @@ -167,7 +175,7 @@ static inline int nf_hook_thresh(int pf, unsigned int hook, return nf_hook_slow(pf, hook, skb, indev, outdev, okfn, thresh); } -static inline int nf_hook(int pf, unsigned int hook, struct sk_buff *skb, +static inline int nf_hook(u_int8_t pf, unsigned int hook, struct sk_buff *skb, struct net_device *indev, struct net_device *outdev, int (*okfn)(struct sk_buff *)) { @@ -212,14 +220,14 @@ __ret;}) NF_HOOK_THRESH(pf, hook, skb, indev, outdev, okfn, INT_MIN) /* Call setsockopt() */ -int nf_setsockopt(struct sock *sk, int pf, int optval, char __user *opt, +int nf_setsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt, int len); -int nf_getsockopt(struct sock *sk, int pf, int optval, char __user *opt, +int nf_getsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt, int *len); -int compat_nf_setsockopt(struct sock *sk, int pf, int optval, +int compat_nf_setsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt, int len); -int compat_nf_getsockopt(struct sock *sk, int pf, int optval, +int compat_nf_getsockopt(struct sock *sk, u_int8_t pf, int optval, char __user *opt, int *len); /* Call this before modifying an existing packet: ensures it is @@ -247,7 +255,7 @@ struct nf_afinfo { int route_key_size; }; -extern const struct nf_afinfo *nf_afinfo[NPROTO]; +extern const struct nf_afinfo *nf_afinfo[NFPROTO_NUMPROTO]; static inline const struct nf_afinfo *nf_get_afinfo(unsigned short family) { return rcu_dereference(nf_afinfo[family]); @@ -292,7 +300,7 @@ extern void nf_unregister_afinfo(const struct nf_afinfo *afinfo); extern void (*ip_nat_decode_session)(struct sk_buff *, struct flowi *); static inline void -nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl, int family) +nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl, u_int8_t family) { #ifdef CONFIG_NF_NAT_NEEDED void (*decodefn)(struct sk_buff *, struct flowi *); @@ -315,7 +323,7 @@ extern struct proc_dir_entry *proc_net_netfilter; #else /* !CONFIG_NETFILTER */ #define NF_HOOK(pf, hook, skb, indev, outdev, okfn) (okfn)(skb) #define NF_HOOK_COND(pf, hook, skb, indev, outdev, okfn, cond) (okfn)(skb) -static inline int nf_hook_thresh(int pf, unsigned int hook, +static inline int nf_hook_thresh(u_int8_t pf, unsigned int hook, struct sk_buff *skb, struct net_device *indev, struct net_device *outdev, @@ -324,7 +332,7 @@ static inline int nf_hook_thresh(int pf, unsigned int hook, { return okfn(skb); } -static inline int nf_hook(int pf, unsigned int hook, struct sk_buff *skb, +static inline int nf_hook(u_int8_t pf, unsigned int hook, struct sk_buff *skb, struct net_device *indev, struct net_device *outdev, int (*okfn)(struct sk_buff *)) { @@ -332,7 +340,9 @@ static inline int nf_hook(int pf, unsigned int hook, struct sk_buff *skb, } struct flowi; static inline void -nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl, int family) {} +nf_nat_decode_session(struct sk_buff *skb, struct flowi *fl, u_int8_t family) +{ +} #endif /*CONFIG_NETFILTER*/ #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) @@ -343,56 +353,5 @@ 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*/ |