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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 | ||
40 | /* The value to be placed in the Valid Lifetime in the Prefix */ | |
d7c0a89a | 41 | uint32_t AdvValidLifetime; |
718e3744 | 42 | #define RTADV_VALID_LIFETIME 2592000 |
43 | ||
d62a17ae | 44 | /* The value to be placed in the on-link flag */ |
45 | int AdvOnLinkFlag; | |
718e3744 | 46 | |
d62a17ae | 47 | /* The value to be placed in the Preferred Lifetime in the Prefix |
48 | Information option, in seconds.*/ | |
d7c0a89a | 49 | uint32_t AdvPreferredLifetime; |
718e3744 | 50 | #define RTADV_PREFERRED_LIFETIME 604800 |
51 | ||
d62a17ae | 52 | /* The value to be placed in the Autonomous Flag. */ |
53 | int AdvAutonomousFlag; | |
7cee1bb1 | 54 | |
d62a17ae | 55 | /* The value to be placed in the Router Address Flag [RFC6275 7.2]. */ |
56 | int AdvRouterAddressFlag; | |
7cee1bb1 | 57 | #ifndef ND_OPT_PI_FLAG_RADDR |
58 | #define ND_OPT_PI_FLAG_RADDR 0x20 | |
59 | #endif | |
718e3744 | 60 | }; |
61 | ||
adee8f21 DS |
62 | /* RFC4861 minimum delay between RAs */ |
63 | #ifndef MIN_DELAY_BETWEEN_RAS | |
64 | #define MIN_DELAY_BETWEEN_RAS 3000 | |
65 | #endif | |
66 | ||
6eb0c5ab | 67 | /* RFC4584 Extension to Sockets API for Mobile IPv6 */ |
7cee1bb1 | 68 | |
69 | #ifndef ND_OPT_ADV_INTERVAL | |
70 | #define ND_OPT_ADV_INTERVAL 7 /* Adv Interval Option */ | |
71 | #endif | |
72 | #ifndef ND_OPT_HA_INFORMATION | |
73 | #define ND_OPT_HA_INFORMATION 8 /* HA Information Option */ | |
74 | #endif | |
75 | ||
6f0e3f6e | 76 | #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL |
d62a17ae | 77 | struct nd_opt_adv_interval { /* Advertisement interval option */ |
78 | uint8_t nd_opt_ai_type; | |
79 | uint8_t nd_opt_ai_len; | |
80 | uint16_t nd_opt_ai_reserved; | |
81 | uint32_t nd_opt_ai_interval; | |
7cee1bb1 | 82 | } __attribute__((__packed__)); |
83 | #else | |
6f0e3f6e | 84 | #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL_ND_OPT_AI_TYPE |
7cee1bb1 | 85 | /* fields may have to be renamed */ |
86 | #define nd_opt_ai_type nd_opt_adv_interval_type | |
87 | #define nd_opt_ai_len nd_opt_adv_interval_len | |
88 | #define nd_opt_ai_reserved nd_opt_adv_interval_reserved | |
89 | #define nd_opt_ai_interval nd_opt_adv_interval_ival | |
90 | #endif | |
91 | #endif | |
92 | ||
6f0e3f6e | 93 | #ifndef HAVE_STRUCT_ND_OPT_HOMEAGENT_INFO |
d62a17ae | 94 | struct nd_opt_homeagent_info { /* Home Agent info */ |
d7c0a89a QY |
95 | uint8_t nd_opt_hai_type; |
96 | uint8_t nd_opt_hai_len; | |
97 | uint16_t nd_opt_hai_reserved; | |
98 | uint16_t nd_opt_hai_preference; | |
99 | uint16_t nd_opt_hai_lifetime; | |
7cee1bb1 | 100 | } __attribute__((__packed__)); |
101 | #endif | |
102 | ||
3eb4fbb0 LS |
103 | #ifndef ND_OPT_RDNSS |
104 | #define ND_OPT_RDNSS 25 | |
105 | #endif | |
106 | #ifndef ND_OPT_DNSSL | |
107 | #define ND_OPT_DNSSL 31 | |
108 | #endif | |
109 | ||
110 | #ifndef HAVE_STRUCT_ND_OPT_RDNSS | |
111 | struct nd_opt_rdnss { /* Recursive DNS server option [RFC8106 5.1] */ | |
112 | uint8_t nd_opt_rdnss_type; | |
113 | uint8_t nd_opt_rdnss_len; | |
114 | uint16_t nd_opt_rdnss_reserved; | |
115 | uint32_t nd_opt_rdnss_lifetime; | |
116 | /* Followed by one or more IPv6 addresses */ | |
117 | } __attribute__((__packed__)); | |
118 | #endif | |
119 | ||
120 | #ifndef HAVE_STRUCT_ND_OPT_DNSSL | |
121 | struct nd_opt_dnssl { /* DNS search list option [RFC8106 5.2] */ | |
122 | uint8_t nd_opt_dnssl_type; | |
123 | uint8_t nd_opt_dnssl_len; | |
124 | uint16_t nd_opt_dnssl_reserved; | |
125 | uint32_t nd_opt_dnssl_lifetime; | |
126 | /* | |
127 | * Followed by one or more domain names encoded as in [RFC1035 3.1]. | |
128 | * Multiple domain names are concatenated after encoding. In any case, | |
129 | * the result is zero-padded to a multiple of 8 octets. | |
130 | */ | |
131 | } __attribute__((__packed__)); | |
132 | #endif | |
133 | ||
8da4e946 | 134 | #endif /* HAVE_RTADV */ |
36735ed9 | 135 | |
b6120505 | 136 | typedef enum { |
d62a17ae | 137 | RA_ENABLE = 0, |
138 | RA_SUPPRESS, | |
b6120505 DW |
139 | } ipv6_nd_suppress_ra_status; |
140 | ||
df9c8c57 PG |
141 | extern void rtadv_init(struct zebra_vrf *zvrf); |
142 | extern void rtadv_terminate(struct zebra_vrf *zvrf); | |
d7fc0e67 DS |
143 | extern void rtadv_stop_ra(struct interface *ifp); |
144 | extern void rtadv_stop_ra_all(void); | |
d62a17ae | 145 | extern void rtadv_cmd_init(void); |
89f4e507 QY |
146 | extern void zebra_interface_radv_disable(ZAPI_HANDLER_ARGS); |
147 | extern void zebra_interface_radv_enable(ZAPI_HANDLER_ARGS); | |
cd80d74f | 148 | |
51e94aa7 EDP |
149 | #ifdef __cplusplus |
150 | } | |
151 | #endif | |
1002497a | 152 | |
718e3744 | 153 | #endif /* _ZEBRA_RTADV_H */ |