lib/distribute.h

   1 /* Distribute list functions header
   2  * Copyright (C) 1999 Kunihiro Ishiguro
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published
   8  * by the Free Software Foundation; either version 2, or (at your
   9  * option) any later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef _ZEBRA_DISTRIBUTE_H
  22 #define _ZEBRA_DISTRIBUTE_H
  23
  24 #include <zebra.h>
  25 #include "if.h"
  26 #include "filter.h"
  27
  28 /* Disctirubte list types. */
  29 enum distribute_type {
  30         DISTRIBUTE_V4_IN,
  31         DISTRIBUTE_V6_IN,
  32         DISTRIBUTE_V4_OUT,
  33         DISTRIBUTE_V6_OUT,
  34         DISTRIBUTE_MAX
  35 };
  36
  37 struct distribute {
  38         /* Name of the interface. */
  39         char *ifname;
  40
  41         /* Filter name of `in' and `out' */
  42         char *list[DISTRIBUTE_MAX];
  43
  44         /* prefix-list name of `in' and `out' */
  45         char *prefix[DISTRIBUTE_MAX];
  46 };
  47
  48 struct distribute_ctx {
  49         /* Hash of distribute list. */
  50         struct hash *disthash;
  51
  52         /* Hook functions. */
  53         void (*distribute_add_hook)(struct distribute_ctx *ctx,
  54                                     struct distribute *dist);
  55         void (*distribute_delete_hook)(struct distribute_ctx *ctx,
  56                                        struct distribute *dist);
  57
  58         /* vrf information */
  59         struct vrf *vrf;
  60 };
  61
  62 /* Prototypes for distribute-list. */
  63 extern void distribute_list_init(int node);
  64 extern struct distribute_ctx *distribute_list_ctx_create(struct vrf *vrf);
  65 extern void distribute_list_delete(struct distribute_ctx **ctx);
  66 extern void distribute_list_add_hook(struct distribute_ctx *ctx,
  67                                      void (*)(struct distribute_ctx *ctx,
  68                                               struct distribute *));
  69 extern void distribute_list_delete_hook(struct distribute_ctx *ctx,
  70                                         void (*)(struct distribute_ctx *ctx,
  71                                                  struct distribute *));
  72 extern struct distribute *distribute_lookup(struct distribute_ctx *ctx,
  73                                             const char *ifname);
  74 extern int config_write_distribute(struct vty *vty,
  75                                    struct distribute_ctx *ctx);
  76 extern int config_show_distribute(struct vty *vty,
  77                                   struct distribute_ctx *ctx);
  78
  79 extern enum filter_type distribute_apply_in(struct interface *,
  80                                             struct prefix *);
  81 extern enum filter_type distribute_apply_out(struct interface *,
  82                                              struct prefix *);
  83
  84 #endif /* _ZEBRA_DISTRIBUTE_H */