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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 | ||
954e1a2b | 25 | #include "zebra.h" |
30a2231a | 26 | #include "vty.h" |
66c454f2 PJ |
27 | #include "zebra/interface.h" |
28 | ||
51e94aa7 EDP |
29 | #ifdef __cplusplus |
30 | extern "C" { | |
31 | #endif | |
32 | ||
36735ed9 | 33 | /* NB: RTADV is defined in zebra/interface.h above */ |
d62a17ae | 34 | #if defined(HAVE_RTADV) |
36735ed9 | 35 | |
718e3744 | 36 | /* Router advertisement prefix. */ |
d62a17ae | 37 | struct rtadv_prefix { |
38 | /* Prefix to be advertised. */ | |
39 | struct prefix_ipv6 prefix; | |
40 | ||
2a855763 DS |
41 | /* The prefix was manually/automatically defined. */ |
42 | int AdvPrefixCreate; | |
43 | ||
d62a17ae | 44 | /* The value to be placed in the Valid Lifetime in the Prefix */ |
d7c0a89a | 45 | uint32_t AdvValidLifetime; |
718e3744 | 46 | #define RTADV_VALID_LIFETIME 2592000 |
47 | ||
d62a17ae | 48 | /* The value to be placed in the on-link flag */ |
49 | int AdvOnLinkFlag; | |
718e3744 | 50 | |
d62a17ae | 51 | /* The value to be placed in the Preferred Lifetime in the Prefix |
52 | Information option, in seconds.*/ | |
d7c0a89a | 53 | uint32_t AdvPreferredLifetime; |
718e3744 | 54 | #define RTADV_PREFERRED_LIFETIME 604800 |
55 | ||
d62a17ae | 56 | /* The value to be placed in the Autonomous Flag. */ |
57 | int AdvAutonomousFlag; | |
7cee1bb1 | 58 | |
d62a17ae | 59 | /* The value to be placed in the Router Address Flag [RFC6275 7.2]. */ |
60 | int AdvRouterAddressFlag; | |
7cee1bb1 | 61 | #ifndef ND_OPT_PI_FLAG_RADDR |
62 | #define ND_OPT_PI_FLAG_RADDR 0x20 | |
63 | #endif | |
718e3744 | 64 | }; |
65 | ||
adee8f21 DS |
66 | /* RFC4861 minimum delay between RAs */ |
67 | #ifndef MIN_DELAY_BETWEEN_RAS | |
68 | #define MIN_DELAY_BETWEEN_RAS 3000 | |
69 | #endif | |
70 | ||
6eb0c5ab | 71 | /* RFC4584 Extension to Sockets API for Mobile IPv6 */ |
7cee1bb1 | 72 | |
73 | #ifndef ND_OPT_ADV_INTERVAL | |
74 | #define ND_OPT_ADV_INTERVAL 7 /* Adv Interval Option */ | |
75 | #endif | |
76 | #ifndef ND_OPT_HA_INFORMATION | |
77 | #define ND_OPT_HA_INFORMATION 8 /* HA Information Option */ | |
78 | #endif | |
79 | ||
6f0e3f6e | 80 | #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL |
d62a17ae | 81 | struct nd_opt_adv_interval { /* Advertisement interval option */ |
82 | uint8_t nd_opt_ai_type; | |
83 | uint8_t nd_opt_ai_len; | |
84 | uint16_t nd_opt_ai_reserved; | |
85 | uint32_t nd_opt_ai_interval; | |
7cee1bb1 | 86 | } __attribute__((__packed__)); |
87 | #else | |
6f0e3f6e | 88 | #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL_ND_OPT_AI_TYPE |
7cee1bb1 | 89 | /* fields may have to be renamed */ |
90 | #define nd_opt_ai_type nd_opt_adv_interval_type | |
91 | #define nd_opt_ai_len nd_opt_adv_interval_len | |
92 | #define nd_opt_ai_reserved nd_opt_adv_interval_reserved | |
93 | #define nd_opt_ai_interval nd_opt_adv_interval_ival | |
94 | #endif | |
95 | #endif | |
96 | ||
6f0e3f6e | 97 | #ifndef HAVE_STRUCT_ND_OPT_HOMEAGENT_INFO |
d62a17ae | 98 | struct nd_opt_homeagent_info { /* Home Agent info */ |
d7c0a89a QY |
99 | uint8_t nd_opt_hai_type; |
100 | uint8_t nd_opt_hai_len; | |
101 | uint16_t nd_opt_hai_reserved; | |
102 | uint16_t nd_opt_hai_preference; | |
103 | uint16_t nd_opt_hai_lifetime; | |
7cee1bb1 | 104 | } __attribute__((__packed__)); |
105 | #endif | |
106 | ||
3eb4fbb0 LS |
107 | #ifndef ND_OPT_RDNSS |
108 | #define ND_OPT_RDNSS 25 | |
109 | #endif | |
110 | #ifndef ND_OPT_DNSSL | |
111 | #define ND_OPT_DNSSL 31 | |
112 | #endif | |
113 | ||
114 | #ifndef HAVE_STRUCT_ND_OPT_RDNSS | |
115 | struct nd_opt_rdnss { /* Recursive DNS server option [RFC8106 5.1] */ | |
116 | uint8_t nd_opt_rdnss_type; | |
117 | uint8_t nd_opt_rdnss_len; | |
118 | uint16_t nd_opt_rdnss_reserved; | |
119 | uint32_t nd_opt_rdnss_lifetime; | |
120 | /* Followed by one or more IPv6 addresses */ | |
121 | } __attribute__((__packed__)); | |
122 | #endif | |
123 | ||
124 | #ifndef HAVE_STRUCT_ND_OPT_DNSSL | |
125 | struct nd_opt_dnssl { /* DNS search list option [RFC8106 5.2] */ | |
126 | uint8_t nd_opt_dnssl_type; | |
127 | uint8_t nd_opt_dnssl_len; | |
128 | uint16_t nd_opt_dnssl_reserved; | |
129 | uint32_t nd_opt_dnssl_lifetime; | |
130 | /* | |
131 | * Followed by one or more domain names encoded as in [RFC1035 3.1]. | |
132 | * Multiple domain names are concatenated after encoding. In any case, | |
133 | * the result is zero-padded to a multiple of 8 octets. | |
134 | */ | |
135 | } __attribute__((__packed__)); | |
136 | #endif | |
137 | ||
8da4e946 | 138 | #endif /* HAVE_RTADV */ |
36735ed9 | 139 | |
2a855763 DS |
140 | /* |
141 | * ipv6 nd prefixes can be manually defined, derived from the kernel interface | |
142 | * configs or both. If both, manual flag/timer settings are used. | |
143 | */ | |
144 | enum ipv6_nd_prefix_source { | |
145 | PREFIX_SRC_NONE = 0, | |
146 | PREFIX_SRC_MANUAL, | |
147 | PREFIX_SRC_AUTO, | |
148 | PREFIX_SRC_BOTH, | |
149 | }; | |
150 | ||
57dd8642 | 151 | enum ipv6_nd_suppress_ra_status { |
d62a17ae | 152 | RA_ENABLE = 0, |
153 | RA_SUPPRESS, | |
57dd8642 | 154 | }; |
b6120505 | 155 | |
7c2ddfb9 | 156 | extern void rtadv_vrf_init(struct zebra_vrf *zvrf); |
aab5893a | 157 | extern void rtadv_vrf_terminate(struct zebra_vrf *zvrf); |
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); | |
954e1a2b DS |
165 | extern uint32_t rtadv_get_interfaces_configured_from_bgp(void); |
166 | extern bool rtadv_compiled_in(void); | |
cd80d74f | 167 | |
51e94aa7 EDP |
168 | #ifdef __cplusplus |
169 | } | |
170 | #endif | |
1002497a | 171 | |
718e3744 | 172 | #endif /* _ZEBRA_RTADV_H */ |