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718e3744 | 1 | /* Router advertisement |
7cee1bb1 | 2 | * Copyright (C) 2005 6WIND <jean-mickael.guerin@6wind.com> |
718e3744 | 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 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 | |
10 | * 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 | * | |
896014f4 DL |
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 | |
718e3744 | 20 | */ |
21 | ||
22 | #ifndef _ZEBRA_RTADV_H | |
23 | #define _ZEBRA_RTADV_H | |
24 | ||
30a2231a | 25 | #include "vty.h" |
66c454f2 PJ |
26 | #include "zebra/interface.h" |
27 | ||
51e94aa7 EDP |
28 | #ifdef __cplusplus |
29 | extern "C" { | |
30 | #endif | |
31 | ||
36735ed9 | 32 | /* NB: RTADV is defined in zebra/interface.h above */ |
d62a17ae | 33 | #if defined(HAVE_RTADV) |
36735ed9 | 34 | |
718e3744 | 35 | /* Router advertisement prefix. */ |
d62a17ae | 36 | struct rtadv_prefix { |
37 | /* Prefix to be advertised. */ | |
38 | struct prefix_ipv6 prefix; | |
39 | ||
2a855763 DS |
40 | /* The prefix was manually/automatically defined. */ |
41 | int AdvPrefixCreate; | |
42 | ||
d62a17ae | 43 | /* The value to be placed in the Valid Lifetime in the Prefix */ |
d7c0a89a | 44 | uint32_t AdvValidLifetime; |
718e3744 | 45 | #define RTADV_VALID_LIFETIME 2592000 |
46 | ||
d62a17ae | 47 | /* The value to be placed in the on-link flag */ |
48 | int AdvOnLinkFlag; | |
718e3744 | 49 | |
d62a17ae | 50 | /* The value to be placed in the Preferred Lifetime in the Prefix |
51 | Information option, in seconds.*/ | |
d7c0a89a | 52 | uint32_t AdvPreferredLifetime; |
718e3744 | 53 | #define RTADV_PREFERRED_LIFETIME 604800 |
54 | ||
d62a17ae | 55 | /* The value to be placed in the Autonomous Flag. */ |
56 | int AdvAutonomousFlag; | |
7cee1bb1 | 57 | |
d62a17ae | 58 | /* The value to be placed in the Router Address Flag [RFC6275 7.2]. */ |
59 | int AdvRouterAddressFlag; | |
7cee1bb1 | 60 | #ifndef ND_OPT_PI_FLAG_RADDR |
61 | #define ND_OPT_PI_FLAG_RADDR 0x20 | |
62 | #endif | |
718e3744 | 63 | }; |
64 | ||
adee8f21 DS |
65 | /* RFC4861 minimum delay between RAs */ |
66 | #ifndef MIN_DELAY_BETWEEN_RAS | |
67 | #define MIN_DELAY_BETWEEN_RAS 3000 | |
68 | #endif | |
69 | ||
6eb0c5ab | 70 | /* RFC4584 Extension to Sockets API for Mobile IPv6 */ |
7cee1bb1 | 71 | |
72 | #ifndef ND_OPT_ADV_INTERVAL | |
73 | #define ND_OPT_ADV_INTERVAL 7 /* Adv Interval Option */ | |
74 | #endif | |
75 | #ifndef ND_OPT_HA_INFORMATION | |
76 | #define ND_OPT_HA_INFORMATION 8 /* HA Information Option */ | |
77 | #endif | |
78 | ||
6f0e3f6e | 79 | #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL |
d62a17ae | 80 | struct nd_opt_adv_interval { /* Advertisement interval option */ |
81 | uint8_t nd_opt_ai_type; | |
82 | uint8_t nd_opt_ai_len; | |
83 | uint16_t nd_opt_ai_reserved; | |
84 | uint32_t nd_opt_ai_interval; | |
7cee1bb1 | 85 | } __attribute__((__packed__)); |
86 | #else | |
6f0e3f6e | 87 | #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL_ND_OPT_AI_TYPE |
7cee1bb1 | 88 | /* fields may have to be renamed */ |
89 | #define nd_opt_ai_type nd_opt_adv_interval_type | |
90 | #define nd_opt_ai_len nd_opt_adv_interval_len | |
91 | #define nd_opt_ai_reserved nd_opt_adv_interval_reserved | |
92 | #define nd_opt_ai_interval nd_opt_adv_interval_ival | |
93 | #endif | |
94 | #endif | |
95 | ||
6f0e3f6e | 96 | #ifndef HAVE_STRUCT_ND_OPT_HOMEAGENT_INFO |
d62a17ae | 97 | struct nd_opt_homeagent_info { /* Home Agent info */ |
d7c0a89a QY |
98 | uint8_t nd_opt_hai_type; |
99 | uint8_t nd_opt_hai_len; | |
100 | uint16_t nd_opt_hai_reserved; | |
101 | uint16_t nd_opt_hai_preference; | |
102 | uint16_t nd_opt_hai_lifetime; | |
7cee1bb1 | 103 | } __attribute__((__packed__)); |
104 | #endif | |
105 | ||
3eb4fbb0 LS |
106 | #ifndef ND_OPT_RDNSS |
107 | #define ND_OPT_RDNSS 25 | |
108 | #endif | |
109 | #ifndef ND_OPT_DNSSL | |
110 | #define ND_OPT_DNSSL 31 | |
111 | #endif | |
112 | ||
113 | #ifndef HAVE_STRUCT_ND_OPT_RDNSS | |
114 | struct nd_opt_rdnss { /* Recursive DNS server option [RFC8106 5.1] */ | |
115 | uint8_t nd_opt_rdnss_type; | |
116 | uint8_t nd_opt_rdnss_len; | |
117 | uint16_t nd_opt_rdnss_reserved; | |
118 | uint32_t nd_opt_rdnss_lifetime; | |
119 | /* Followed by one or more IPv6 addresses */ | |
120 | } __attribute__((__packed__)); | |
121 | #endif | |
122 | ||
123 | #ifndef HAVE_STRUCT_ND_OPT_DNSSL | |
124 | struct nd_opt_dnssl { /* DNS search list option [RFC8106 5.2] */ | |
125 | uint8_t nd_opt_dnssl_type; | |
126 | uint8_t nd_opt_dnssl_len; | |
127 | uint16_t nd_opt_dnssl_reserved; | |
128 | uint32_t nd_opt_dnssl_lifetime; | |
129 | /* | |
130 | * Followed by one or more domain names encoded as in [RFC1035 3.1]. | |
131 | * Multiple domain names are concatenated after encoding. In any case, | |
132 | * the result is zero-padded to a multiple of 8 octets. | |
133 | */ | |
134 | } __attribute__((__packed__)); | |
135 | #endif | |
136 | ||
8da4e946 | 137 | #endif /* HAVE_RTADV */ |
36735ed9 | 138 | |
2a855763 DS |
139 | /* |
140 | * ipv6 nd prefixes can be manually defined, derived from the kernel interface | |
141 | * configs or both. If both, manual flag/timer settings are used. | |
142 | */ | |
143 | enum ipv6_nd_prefix_source { | |
144 | PREFIX_SRC_NONE = 0, | |
145 | PREFIX_SRC_MANUAL, | |
146 | PREFIX_SRC_AUTO, | |
147 | PREFIX_SRC_BOTH, | |
148 | }; | |
149 | ||
b6120505 | 150 | typedef enum { |
d62a17ae | 151 | RA_ENABLE = 0, |
152 | RA_SUPPRESS, | |
b6120505 DW |
153 | } ipv6_nd_suppress_ra_status; |
154 | ||
df9c8c57 | 155 | extern void rtadv_init(struct zebra_vrf *zvrf); |
aab5893a DS |
156 | extern void rtadv_vrf_terminate(struct zebra_vrf *zvrf); |
157 | extern void rtadv_terminate(void); | |
d7fc0e67 DS |
158 | extern void rtadv_stop_ra(struct interface *ifp); |
159 | extern void rtadv_stop_ra_all(void); | |
d62a17ae | 160 | extern void rtadv_cmd_init(void); |
89f4e507 QY |
161 | extern void zebra_interface_radv_disable(ZAPI_HANDLER_ARGS); |
162 | extern void zebra_interface_radv_enable(ZAPI_HANDLER_ARGS); | |
2a855763 DS |
163 | extern void rtadv_add_prefix(struct zebra_if *zif, const struct prefix_ipv6 *p); |
164 | extern void rtadv_delete_prefix(struct zebra_if *zif, const struct prefix *p); | |
cd80d74f | 165 | |
51e94aa7 EDP |
166 | #ifdef __cplusplus |
167 | } | |
168 | #endif | |
1002497a | 169 | |
718e3744 | 170 | #endif /* _ZEBRA_RTADV_H */ |