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 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
22 #ifndef _ZEBRA_RTADV_H
23 #define _ZEBRA_RTADV_H
26 #include "zebra/interface.h"
28 /* NB: RTADV is defined in zebra/interface.h above */
29 #if defined(HAVE_RTADV)
31 /* Router advertisement prefix. */
33 /* Prefix to be advertised. */
34 struct prefix_ipv6 prefix
;
36 /* The value to be placed in the Valid Lifetime in the Prefix */
37 uint32_t AdvValidLifetime
;
38 #define RTADV_VALID_LIFETIME 2592000
40 /* The value to be placed in the on-link flag */
43 /* The value to be placed in the Preferred Lifetime in the Prefix
44 Information option, in seconds.*/
45 uint32_t AdvPreferredLifetime
;
46 #define RTADV_PREFERRED_LIFETIME 604800
48 /* The value to be placed in the Autonomous Flag. */
49 int AdvAutonomousFlag
;
51 /* The value to be placed in the Router Address Flag [RFC6275 7.2]. */
52 int AdvRouterAddressFlag
;
53 #ifndef ND_OPT_PI_FLAG_RADDR
54 #define ND_OPT_PI_FLAG_RADDR 0x20
58 /* RFC4584 Extension to Sockets API for Mobile IPv6 */
60 #ifndef ND_OPT_ADV_INTERVAL
61 #define ND_OPT_ADV_INTERVAL 7 /* Adv Interval Option */
63 #ifndef ND_OPT_HA_INFORMATION
64 #define ND_OPT_HA_INFORMATION 8 /* HA Information Option */
67 #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL
68 struct nd_opt_adv_interval
{ /* Advertisement interval option */
69 uint8_t nd_opt_ai_type
;
70 uint8_t nd_opt_ai_len
;
71 uint16_t nd_opt_ai_reserved
;
72 uint32_t nd_opt_ai_interval
;
73 } __attribute__((__packed__
));
75 #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL_ND_OPT_AI_TYPE
76 /* fields may have to be renamed */
77 #define nd_opt_ai_type nd_opt_adv_interval_type
78 #define nd_opt_ai_len nd_opt_adv_interval_len
79 #define nd_opt_ai_reserved nd_opt_adv_interval_reserved
80 #define nd_opt_ai_interval nd_opt_adv_interval_ival
84 #ifndef HAVE_STRUCT_ND_OPT_HOMEAGENT_INFO
85 struct nd_opt_homeagent_info
{ /* Home Agent info */
86 uint8_t nd_opt_hai_type
;
87 uint8_t nd_opt_hai_len
;
88 uint16_t nd_opt_hai_reserved
;
89 uint16_t nd_opt_hai_preference
;
90 uint16_t nd_opt_hai_lifetime
;
91 } __attribute__((__packed__
));
95 #define ND_OPT_RDNSS 25
98 #define ND_OPT_DNSSL 31
101 #ifndef HAVE_STRUCT_ND_OPT_RDNSS
102 struct nd_opt_rdnss
{ /* Recursive DNS server option [RFC8106 5.1] */
103 uint8_t nd_opt_rdnss_type
;
104 uint8_t nd_opt_rdnss_len
;
105 uint16_t nd_opt_rdnss_reserved
;
106 uint32_t nd_opt_rdnss_lifetime
;
107 /* Followed by one or more IPv6 addresses */
108 } __attribute__((__packed__
));
111 #ifndef HAVE_STRUCT_ND_OPT_DNSSL
112 struct nd_opt_dnssl
{ /* DNS search list option [RFC8106 5.2] */
113 uint8_t nd_opt_dnssl_type
;
114 uint8_t nd_opt_dnssl_len
;
115 uint16_t nd_opt_dnssl_reserved
;
116 uint32_t nd_opt_dnssl_lifetime
;
118 * Followed by one or more domain names encoded as in [RFC1035 3.1].
119 * Multiple domain names are concatenated after encoding. In any case,
120 * the result is zero-padded to a multiple of 8 octets.
122 } __attribute__((__packed__
));
125 extern const char *rtadv_pref_strs
[];
127 #endif /* HAVE_RTADV */
132 } ipv6_nd_suppress_ra_status
;
134 extern void rtadv_init(struct zebra_ns
*);
135 extern void rtadv_terminate(struct zebra_ns
*);
136 extern void rtadv_cmd_init(void);
137 extern void zebra_interface_radv_disable(ZAPI_HANDLER_ARGS
);
138 extern void zebra_interface_radv_enable(ZAPI_HANDLER_ARGS
);
141 #endif /* _ZEBRA_RTADV_H */