LXR linux/net/ipv4/fib

   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
   8struct fib_alias {
   9        struct list_head        fa_list;
  10        struct fib_info         *fa_info;
  11        u8                      fa_tos;
  12        u8                      fa_type;
  13        u8                      fa_scope;
  14        u8                      fa_state;
  15#ifdef CONFIG_IP_FIB_TRIE
  16        struct rcu_head         rcu;
  17#endif
  18};
  19
  20#define FA_S_ACCESSED   0x01
  21
  22/* Exported by fib_semantics.c */
  23extern int fib_semantic_match(struct list_head *head,
  24                              const struct flowi *flp,
  25                              struct fib_result *res, int prefixlen);
  26extern void fib_release_info(struct fib_info *);
  27extern struct fib_info *fib_create_info(struct fib_config *cfg);
  28extern int fib_nh_match(struct fib_config *cfg, struct fib_info *fi);
  29extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
  30                         u32 tb_id, u8 type, u8 scope, __be32 dst,
  31                         int dst_len, u8 tos, struct fib_info *fi,
  32                         unsigned int);
  33extern void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
  34                      int dst_len, u32 tb_id, struct nl_info *info,
  35                      unsigned int nlm_flags);
  36extern struct fib_alias *fib_find_alias(struct list_head *fah,
  37                                        u8 tos, u32 prio);
  38extern int fib_detect_death(struct fib_info *fi, int order,
  39                            struct fib_info **last_resort,
  40                            int *last_idx, int dflt);
  41
  42static inline void fib_result_assign(struct fib_result *res,
  43                                     struct fib_info *fi)
  44{
  45        if (res->fi != NULL)
  46                fib_info_put(res->fi);
  47        res->fi = fi;
  48        if (fi != NULL)
  49                atomic_inc(&fi->fib_clntref);
  50}
  51
  52#endif /* _FIB_LOOKUP_H */
  53