lib/distribute.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /* Distribute list functions header
   3  * Copyright (C) 1999 Kunihiro Ishiguro
   4  */
   5
   6 #ifndef _ZEBRA_DISTRIBUTE_H
   7 #define _ZEBRA_DISTRIBUTE_H
   8
   9 #include <zebra.h>
  10 #include "if.h"
  11 #include "filter.h"
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 /* Distribute list types. */
  18 enum distribute_type {
  19         DISTRIBUTE_V4_IN,
  20         DISTRIBUTE_V6_IN,
  21         DISTRIBUTE_V4_OUT,
  22         DISTRIBUTE_V6_OUT,
  23         DISTRIBUTE_MAX
  24 };
  25
  26 struct distribute {
  27         /* Name of the interface. */
  28         char *ifname;
  29
  30         /* Filter name of `in' and `out' */
  31         char *list[DISTRIBUTE_MAX];
  32
  33         /* prefix-list name of `in' and `out' */
  34         char *prefix[DISTRIBUTE_MAX];
  35 };
  36
  37 struct distribute_ctx {
  38         /* Hash of distribute list. */
  39         struct hash *disthash;
  40
  41         /* Hook functions. */
  42         void (*distribute_add_hook)(struct distribute_ctx *ctx,
  43                                     struct distribute *dist);
  44         void (*distribute_delete_hook)(struct distribute_ctx *ctx,
  45                                        struct distribute *dist);
  46
  47         /* vrf information */
  48         struct vrf *vrf;
  49 };
  50
  51 /* Prototypes for distribute-list. */
  52 extern struct distribute_ctx *distribute_list_ctx_create(struct vrf *vrf);
  53 extern void distribute_list_delete(struct distribute_ctx **ctx);
  54 extern void distribute_list_add_hook(struct distribute_ctx *ctx,
  55                                      void (*)(struct distribute_ctx *ctx,
  56                                               struct distribute *));
  57 extern void distribute_list_delete_hook(struct distribute_ctx *ctx,
  58                                         void (*)(struct distribute_ctx *ctx,
  59                                                  struct distribute *));
  60 extern struct distribute *distribute_lookup(struct distribute_ctx *ctx,
  61                                             const char *ifname);
  62 extern int config_write_distribute(struct vty *vty,
  63                                    struct distribute_ctx *ctx);
  64 extern int config_show_distribute(struct vty *vty,
  65                                   struct distribute_ctx *ctx);
  66
  67 extern enum filter_type distribute_apply_in(struct interface *,
  68                                             struct prefix *);
  69 extern enum filter_type distribute_apply_out(struct interface *,
  70                                              struct prefix *);
  71
  72 extern int distribute_list_parser(bool prefix, bool v4, const char *dir,
  73                                   const char *list, const char *ifname);
  74 extern int distribute_list_no_parser(struct vty *vty, bool prefix, bool v4,
  75                                      const char *dir, const char *list,
  76                                      const char *ifname);
  77 #ifdef __cplusplus
  78 }
  79 #endif
  80
  81 #endif /* _ZEBRA_DISTRIBUTE_H */