include/linux/netfilter_ipv6.h

Source file repositories/reference/linux-study-clean/include/linux/netfilter_ipv6.h

File Facts

System
Linux kernel
Corpus path
include/linux/netfilter_ipv6.h
Extension
.h
Size
3249 bytes
Lines
122
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ip6_rt_info {
	struct in6_addr daddr;
	struct in6_addr saddr;
	u_int32_t mark;
};

struct nf_queue_entry;
struct nf_bridge_frag_data;

#ifdef CONFIG_NETFILTER
#include <net/addrconf.h>

static inline int nf_ipv6_chk_addr(struct net *net, const struct in6_addr *addr,
				   const struct net_device *dev, int strict)
{
#if IS_ENABLED(CONFIG_IPV6)
	return ipv6_chk_addr(net, addr, dev, strict);
#else
	return 1;
#endif
}

int __nf_ip6_route(struct net *net, struct dst_entry **dst,
			       struct flowi *fl, bool strict);

static inline int nf_ip6_route(struct net *net, struct dst_entry **dst,
			       struct flowi *fl, bool strict)
{
#if IS_ENABLED(CONFIG_IPV6)
	return __nf_ip6_route(net, dst, fl, strict);
#else
	return -EHOSTUNREACH;
#endif
}

#include <net/netfilter/ipv6/nf_defrag_ipv6.h>

int br_ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
		    struct nf_bridge_frag_data *data,
		    int (*output)(struct net *, struct sock *sk,
				  const struct nf_bridge_frag_data *data,
				  struct sk_buff *));

static inline int nf_br_ip6_fragment(struct net *net, struct sock *sk,
				     struct sk_buff *skb,
				     struct nf_bridge_frag_data *data,
				     int (*output)(struct net *, struct sock *sk,
						   const struct nf_bridge_frag_data *data,
						   struct sk_buff *))
{
#if IS_ENABLED(CONFIG_IPV6)
	return br_ip6_fragment(net, sk, skb, data, output);
#else
	return 1;
#endif
}

int ip6_route_me_harder(struct net *net, struct sock *sk, struct sk_buff *skb);

static inline int nf_ip6_route_me_harder(struct net *net, struct sock *sk, struct sk_buff *skb)
{
#if IS_ENABLED(CONFIG_IPV6)
	return ip6_route_me_harder(net, sk, skb);
#else
	return -EHOSTUNREACH;
#endif
}

static inline u32 nf_ipv6_cookie_init_sequence(const struct ipv6hdr *iph,
					       const struct tcphdr *th,
					       u16 *mssp)
{
#if IS_ENABLED(CONFIG_IPV6) && IS_ENABLED(CONFIG_SYN_COOKIES)
	return __cookie_v6_init_sequence(iph, th, mssp);
#endif
	return 0;
}

static inline int nf_cookie_v6_check(const struct ipv6hdr *iph,
				     const struct tcphdr *th)
{
#if IS_ENABLED(CONFIG_IPV6) && IS_ENABLED(CONFIG_SYN_COOKIES)
	return __cookie_v6_check(iph, th);
#endif
	return 0;
}

__sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
			unsigned int dataoff, u_int8_t protocol);

Annotation

Implementation Notes