[mirror_ubuntu-zesty-kernel.git] / net / ipv4 / fib_lookup.h

#ifndef _FIB_LOOKUP_H
#define _FIB_LOOKUP_H

#include <linux/types.h>
#include <linux/list.h>
#include <net/ip_fib.h>

struct fib_alias {
	struct list_head	fa_list;
	struct fib_info		*fa_info;
	u8			fa_tos;
	u8			fa_type;
	u8			fa_state;
	struct rcu_head		rcu;
};

#define FA_S_ACCESSED	0x01

/* Dont write on fa_state unless needed, to keep it shared on all cpus */
static inline void fib_alias_accessed(struct fib_alias *fa)
{
	if (!(fa->fa_state & FA_S_ACCESSED))
		fa->fa_state |= FA_S_ACCESSED;
}

/* Exported by fib_semantics.c */
void fib_release_info(struct fib_info *);
struct fib_info *fib_create_info(struct fib_config *cfg);
int fib_nh_match(struct fib_config *cfg, struct fib_info *fi);
int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, u32 tb_id,
		  u8 type, __be32 dst, int dst_len, u8 tos, struct fib_info *fi,
		  unsigned int);
void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len,
	       u32 tb_id, const struct nl_info *info, unsigned int nlm_flags);
struct fib_alias *fib_find_alias(struct list_head *fah, u8 tos, u32 prio);

static inline void fib_result_assign(struct fib_result *res,
				     struct fib_info *fi)
{
	/* we used to play games with refcounts, but we now use RCU */
	res->fi = fi;
}

struct fib_prop {
	int	error;
	u8	scope;
};

extern const struct fib_prop fib_props[RTN_MAX + 1];

#endif /* _FIB_LOOKUP_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _FIB_LOOKUP_H
	2	#define _FIB_LOOKUP_H
	3
	4	#include <linux/types.h>
	5	#include <linux/list.h>
	6	#include <net/ip_fib.h>
	7
	8	struct fib_alias {
	9	struct list_head fa_list;
	10	struct fib_info *fa_info;
	11	u8 fa_tos;
	12	u8 fa_type;
1da177e4	13	u8 fa_state;
a6501e08	14	struct rcu_head rcu;
1da177e4 LT	15	};
	16
	17	#define FA_S_ACCESSED 0x01
	18
9b0c290e ED	19	/* Dont write on fa_state unless needed, to keep it shared on all cpus */
	20	static inline void fib_alias_accessed(struct fib_alias *fa)
	21	{
	22	if (!(fa->fa_state & FA_S_ACCESSED))
	23	fa->fa_state \|= FA_S_ACCESSED;
	24	}
	25
1da177e4	26	/* Exported by fib_semantics.c */
7e58487b JP	27	void fib_release_info(struct fib_info *);
	28	struct fib_info fib_create_info(struct fib_config cfg);
	29	int fib_nh_match(struct fib_config cfg, struct fib_info fi);
	30	int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, u32 tb_id,
	31	u8 type, __be32 dst, int dst_len, u8 tos, struct fib_info *fi,
	32	unsigned int);
	33	void rtmsg_fib(int event, __be32 key, struct fib_alias *fa, int dst_len,
	34	u32 tb_id, const struct nl_info *info, unsigned int nlm_flags);
	35	struct fib_alias fib_find_alias(struct list_head fah, u8 tos, u32 prio);
1da177e4	36
a2bbe682 DL	37	static inline void fib_result_assign(struct fib_result *res,
	38	struct fib_info *fi)
	39	{
1f1b9c99	40	/* we used to play games with refcounts, but we now use RCU */
a2bbe682	41	res->fi = fi;
a2bbe682 DL	42	}
a2bbe682 DL	43
3be0686b DM	44	struct fib_prop {
	45	int error;
	46	u8 scope;
	47	};
	48
	49	extern const struct fib_prop fib_props[RTN_MAX + 1];
	50
1da177e4	51	#endif /* _FIB_LOOKUP_H */