3 * Copyright (C) 2014 6WIND S.A.
5 * This file is part of GNU Zebra.
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.
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.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Zebra; see the file COPYING. If not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
28 /* The default VRF ID */
35 #define VRF_CMD_STR "vrf <0-65535>"
36 #define VRF_CMD_HELP_STR "Specify the VRF\nThe VRF ID\n"
38 #define VRF_ALL_CMD_STR "vrf all"
39 #define VRF_ALL_CMD_HELP_STR "Specify the VRF\nAll VRFs\n"
45 #define VRF_NEW_HOOK 0 /* a new VRF is just created */
46 #define VRF_DELETE_HOOK 1 /* a VRF is to be deleted */
47 #define VRF_ENABLE_HOOK 2 /* a VRF is ready to use */
48 #define VRF_DISABLE_HOOK 3 /* a VRF is to be unusable */
51 * Add a specific hook to VRF module.
53 * @param2: the callback function
54 * - param 1: the VRF ID
55 * - param 2: the address of the user data pointer (the user data
56 * can be stored in or freed from there)
58 extern void vrf_add_hook (int, int (*)(vrf_id_t, void **));
64 typedef void * vrf_iter_t;
65 #define VRF_ITER_INVALID NULL /* invalid value of the iterator */
68 * VRF iteration utilities. Example for the usage:
70 * vrf_iter_t iter = vrf_first();
71 * for (; iter != VRF_ITER_INVALID; iter = vrf_next (iter))
75 * vrf_iter_t iter = vrf_iterator (<a given VRF ID>);
76 * for (; iter != VRF_ITER_INVALID; iter = vrf_next (iter))
79 /* Return the iterator of the first VRF. */
80 extern vrf_iter_t vrf_first (void);
81 /* Return the next VRF iterator to the given iterator. */
82 extern vrf_iter_t vrf_next (vrf_iter_t);
83 /* Return the VRF iterator of the given VRF ID. If it does not exist,
84 * the iterator of the next existing VRF is returned. */
85 extern vrf_iter_t vrf_iterator (vrf_id_t);
88 * VRF iterator to properties
90 extern vrf_id_t vrf_iter2id (vrf_iter_t);
91 extern void *vrf_iter2info (vrf_iter_t);
92 extern struct list *vrf_iter2iflist (vrf_iter_t);
95 * Utilities to obtain the user data
98 /* Get the data pointer of the specified VRF. If not found, create one. */
99 extern void *vrf_info_get (vrf_id_t);
100 /* Look up the data pointer of the specified VRF. */
101 extern void *vrf_info_lookup (vrf_id_t);
104 * Utilities to obtain the interface list
107 /* Look up the interface list of the specified VRF. */
108 extern struct list *vrf_iflist (vrf_id_t);
109 /* Get the interface list of the specified VRF. Create one if not find. */
110 extern struct list *vrf_iflist_get (vrf_id_t);
113 * VRF bit-map: maintaining flags, one bit per VRF ID
116 typedef void * vrf_bitmap_t;
117 #define VRF_BITMAP_NULL NULL
119 extern vrf_bitmap_t vrf_bitmap_init (void);
120 extern void vrf_bitmap_free (vrf_bitmap_t);
121 extern void vrf_bitmap_set (vrf_bitmap_t, vrf_id_t);
122 extern void vrf_bitmap_unset (vrf_bitmap_t, vrf_id_t);
123 extern int vrf_bitmap_check (vrf_bitmap_t, vrf_id_t);
126 * VRF initializer/destructor
128 /* Please add hooks before calling vrf_init(). */
129 extern void vrf_init (void);
130 extern void vrf_terminate (void);
136 /* Create a socket serving for the given VRF */
137 extern int vrf_socket (int, int, int, vrf_id_t);
139 #endif /*_ZEBRA_VRF_H*/