1 /* Router advertisement
2 * Copyright (C) 2005 6WIND <jean-mickael.guerin@6wind.com>
3 * Copyright (C) 1999 Kunihiro Ishiguro
5 * This file is part of GNU Zebra.
7 * GNU Zebra is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2, or (at your option) any
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 Free
19 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23 #ifndef _ZEBRA_RTADV_H
24 #define _ZEBRA_RTADV_H
27 #include "zebra/interface.h"
29 /* NB: RTADV is defined in zebra/interface.h above */
30 #if defined (HAVE_RTADV)
32 /* Router advertisement prefix. */
35 /* Prefix to be advertised. */
36 struct prefix_ipv6 prefix;
38 /* The value to be placed in the Valid Lifetime in the Prefix */
39 u_int32_t AdvValidLifetime;
40 #define RTADV_VALID_LIFETIME 2592000
42 /* The value to be placed in the on-link flag */
45 /* The value to be placed in the Preferred Lifetime in the Prefix
46 Information option, in seconds.*/
47 u_int32_t AdvPreferredLifetime;
48 #define RTADV_PREFERRED_LIFETIME 604800
50 /* The value to be placed in the Autonomous Flag. */
51 int AdvAutonomousFlag;
53 /* The value to be placed in the Router Address Flag [RFC6275 7.2]. */
54 int AdvRouterAddressFlag;
55 #ifndef ND_OPT_PI_FLAG_RADDR
56 #define ND_OPT_PI_FLAG_RADDR 0x20
61 extern void rtadv_config_write (struct vty *, struct interface *);
63 /* RFC4584 Extension to Sockets API for Mobile IPv6 */
65 #ifndef ND_OPT_ADV_INTERVAL
66 #define ND_OPT_ADV_INTERVAL 7 /* Adv Interval Option */
68 #ifndef ND_OPT_HA_INFORMATION
69 #define ND_OPT_HA_INFORMATION 8 /* HA Information Option */
72 #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL
73 struct nd_opt_adv_interval { /* Advertisement interval option */
74 uint8_t nd_opt_ai_type;
75 uint8_t nd_opt_ai_len;
76 uint16_t nd_opt_ai_reserved;
77 uint32_t nd_opt_ai_interval;
78 } __attribute__((__packed__));
80 #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL_ND_OPT_AI_TYPE
81 /* fields may have to be renamed */
82 #define nd_opt_ai_type nd_opt_adv_interval_type
83 #define nd_opt_ai_len nd_opt_adv_interval_len
84 #define nd_opt_ai_reserved nd_opt_adv_interval_reserved
85 #define nd_opt_ai_interval nd_opt_adv_interval_ival
89 #ifndef HAVE_STRUCT_ND_OPT_HOMEAGENT_INFO
90 struct nd_opt_homeagent_info { /* Home Agent info */
91 u_int8_t nd_opt_hai_type;
92 u_int8_t nd_opt_hai_len;
93 u_int16_t nd_opt_hai_reserved;
94 u_int16_t nd_opt_hai_preference;
95 u_int16_t nd_opt_hai_lifetime;
96 } __attribute__((__packed__));
99 extern const char *rtadv_pref_strs[];
101 #endif /* HAVE_RTADV */
103 extern void rtadv_init (struct zebra_vrf *);
104 extern void rtadv_terminate (struct zebra_vrf *);
105 extern void rtadv_cmd_init (void);
107 #endif /* _ZEBRA_RTADV_H */