lib/plist.h

   1 /*
   2  * Prefix list functions.
   3  * Copyright (C) 1999 Kunihiro Ishiguro
   4  *
   5  * This file is part of GNU Zebra.
   6  *
   7  * GNU Zebra is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation; either version 2, or (at your
  10  * option) any later version.
  11  *
  12  * GNU Zebra is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; see the file COPYING; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef _QUAGGA_PLIST_H
  23 #define _QUAGGA_PLIST_H
  24
  25 #include <zebra.h>
  26
  27 #include "stream.h"
  28 #include "vty.h"
  29
  30 enum prefix_list_type {
  31         PREFIX_DENY,
  32         PREFIX_PERMIT,
  33 };
  34
  35 struct prefix_list;
  36
  37 struct orf_prefix {
  38         uint32_t seq;
  39         uint8_t ge;
  40         uint8_t le;
  41         struct prefix p;
  42 };
  43
  44 /* Prototypes. */
  45 extern void prefix_list_init(void);
  46 extern void prefix_list_reset(void);
  47 extern void prefix_list_add_hook(void (*func)(struct prefix_list *));
  48 extern void prefix_list_delete_hook(void (*func)(struct prefix_list *));
  49
  50 extern const char *prefix_list_name(struct prefix_list *);
  51 extern afi_t prefix_list_afi(struct prefix_list *);
  52 extern struct prefix_list *prefix_list_lookup(afi_t, const char *);
  53
  54 /*
  55  * prefix_list_apply_which_prefix
  56  *
  57  * Allow calling function to learn which prefix
  58  * caused the DENY or PERMIT.
  59  *
  60  * If no pointer is sent in, do not return anything.
  61  * If it is a empty plist return a NULL pointer.
  62  */
  63 extern enum prefix_list_type
  64 prefix_list_apply_which_prefix(struct prefix_list *plist,
  65                                const struct prefix **which,
  66                                const void *object);
  67 #define prefix_list_apply(A, B) prefix_list_apply_which_prefix((A), NULL, (B))
  68
  69 extern struct prefix_list *prefix_bgp_orf_lookup(afi_t, const char *);
  70 extern struct stream *prefix_bgp_orf_entry(struct stream *,
  71                                            struct prefix_list *, uint8_t,
  72                                            uint8_t, uint8_t);
  73 extern int prefix_bgp_orf_set(char *, afi_t, struct orf_prefix *, int, int);
  74 extern void prefix_bgp_orf_remove_all(afi_t, char *);
  75 extern int prefix_bgp_show_prefix_list(struct vty *vty, afi_t afi, char *name,
  76                                        bool use_json);
  77
  78 #endif /* _QUAGGA_PLIST_H */