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1 | /* Router advertisement | |
2 | * Copyright (C) 2005 6WIND <jean-mickael.guerin@6wind.com> | |
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 | * | |
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 | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #ifndef _ZEBRA_RTADV_H | |
24 | #define _ZEBRA_RTADV_H | |
25 | ||
26 | #include "vty.h" | |
27 | #include "zebra/interface.h" | |
28 | ||
29 | /* Router advertisement prefix. */ | |
30 | struct rtadv_prefix | |
31 | { | |
32 | /* Prefix to be advertised. */ | |
33 | struct prefix_ipv6 prefix; | |
34 | ||
35 | /* The value to be placed in the Valid Lifetime in the Prefix */ | |
36 | u_int32_t AdvValidLifetime; | |
37 | #define RTADV_VALID_LIFETIME 2592000 | |
38 | ||
39 | /* The value to be placed in the on-link flag */ | |
40 | int AdvOnLinkFlag; | |
41 | ||
42 | /* The value to be placed in the Preferred Lifetime in the Prefix | |
43 | Information option, in seconds.*/ | |
44 | u_int32_t AdvPreferredLifetime; | |
45 | #define RTADV_PREFERRED_LIFETIME 604800 | |
46 | ||
47 | /* The value to be placed in the Autonomous Flag. */ | |
48 | int AdvAutonomousFlag; | |
49 | ||
50 | /* The value to be placed in the Router Address Flag [RFC6275 7.2]. */ | |
51 | int AdvRouterAddressFlag; | |
52 | #ifndef ND_OPT_PI_FLAG_RADDR | |
53 | #define ND_OPT_PI_FLAG_RADDR 0x20 | |
54 | #endif | |
55 | ||
56 | }; | |
57 | ||
58 | extern void rtadv_config_write (struct vty *, struct interface *); | |
59 | extern void rtadv_init (void); | |
60 | ||
61 | /* RFC4584 Extension to Sockets API for Mobile IPv6 */ | |
62 | ||
63 | #ifndef ND_OPT_ADV_INTERVAL | |
64 | #define ND_OPT_ADV_INTERVAL 7 /* Adv Interval Option */ | |
65 | #endif | |
66 | #ifndef ND_OPT_HA_INFORMATION | |
67 | #define ND_OPT_HA_INFORMATION 8 /* HA Information Option */ | |
68 | #endif | |
69 | ||
70 | #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL | |
71 | struct nd_opt_adv_interval { /* Advertisement interval option */ | |
72 | uint8_t nd_opt_ai_type; | |
73 | uint8_t nd_opt_ai_len; | |
74 | uint16_t nd_opt_ai_reserved; | |
75 | uint32_t nd_opt_ai_interval; | |
76 | } __attribute__((__packed__)); | |
77 | #else | |
78 | #ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL_ND_OPT_AI_TYPE | |
79 | /* fields may have to be renamed */ | |
80 | #define nd_opt_ai_type nd_opt_adv_interval_type | |
81 | #define nd_opt_ai_len nd_opt_adv_interval_len | |
82 | #define nd_opt_ai_reserved nd_opt_adv_interval_reserved | |
83 | #define nd_opt_ai_interval nd_opt_adv_interval_ival | |
84 | #endif | |
85 | #endif | |
86 | ||
87 | #ifndef HAVE_STRUCT_ND_OPT_HOMEAGENT_INFO | |
88 | struct nd_opt_homeagent_info { /* Home Agent info */ | |
89 | u_int8_t nd_opt_hai_type; | |
90 | u_int8_t nd_opt_hai_len; | |
91 | u_int16_t nd_opt_hai_reserved; | |
92 | u_int16_t nd_opt_hai_preference; | |
93 | u_int16_t nd_opt_hai_lifetime; | |
94 | } __attribute__((__packed__)); | |
95 | #endif | |
96 | ||
97 | extern const char *rtadv_pref_strs[]; | |
98 | ||
99 | #endif /* _ZEBRA_RTADV_H */ |