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 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 /* Disctirubte list types. */
  33 enum distribute_type {
  34         DISTRIBUTE_V4_IN,
  35         DISTRIBUTE_V6_IN,
  36         DISTRIBUTE_V4_OUT,
  37         DISTRIBUTE_V6_OUT,
  38         DISTRIBUTE_MAX
  39 };
  40
  41 struct distribute {
  42         /* Name of the interface. */
  43         char *ifname;
  44
  45         /* Filter name of `in' and `out' */
  46         char *list[DISTRIBUTE_MAX];
  47
  48         /* prefix-list name of `in' and `out' */
  49         char *prefix[DISTRIBUTE_MAX];
  50 };
  51
  52 struct distribute_ctx {
  53         /* Hash of distribute list. */
  54         struct hash *disthash;
  55
  56         /* Hook functions. */
  57         void (*distribute_add_hook)(struct distribute_ctx *ctx,
  58                                     struct distribute *dist);
  59         void (*distribute_delete_hook)(struct distribute_ctx *ctx,
  60                                        struct distribute *dist);
  61
  62         /* vrf information */
  63         struct vrf *vrf;
  64 };
  65
  66 /* Prototypes for distribute-list. */
  67 extern void distribute_list_init(int node);
  68 extern struct distribute_ctx *distribute_list_ctx_create(struct vrf *vrf);
  69 extern void distribute_list_delete(struct distribute_ctx **ctx);
  70 extern void distribute_list_add_hook(struct distribute_ctx *ctx,
  71                                      void (*)(struct distribute_ctx *ctx,
  72                                               struct distribute *));
  73 extern void distribute_list_delete_hook(struct distribute_ctx *ctx,
  74                                         void (*)(struct distribute_ctx *ctx,
  75                                                  struct distribute *));
  76 extern struct distribute *distribute_lookup(struct distribute_ctx *ctx,
  77                                             const char *ifname);
  78 extern int config_write_distribute(struct vty *vty,
  79                                    struct distribute_ctx *ctx);
  80 extern int config_show_distribute(struct vty *vty,
  81                                   struct distribute_ctx *ctx);
  82
  83 extern enum filter_type distribute_apply_in(struct interface *,
  84                                             struct prefix *);
  85 extern enum filter_type distribute_apply_out(struct interface *,
  86                                              struct prefix *);
  87
  88 #ifdef __cplusplus
  89 }
  90 #endif
  91
  92 #endif /* _ZEBRA_DISTRIBUTE_H */