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/* NB: RTADV is defined in zebra/interface.h above */ 30#ifdef RTADV 31 32/* Router advertisement prefix. */ 33struct rtadv_prefix 34{ 35 /* Prefix to be advertised. */ 36 struct prefix_ipv6 prefix; 37 38 /* The value to be placed in the Valid Lifetime in the Prefix */ 39 u_int32_t AdvValidLifetime; 40#define RTADV_VALID_LIFETIME 2592000 41 42 /* The value to be placed in the on-link flag */ 43 int AdvOnLinkFlag; 44 45 /* The value to be placed in the Preferred Lifetime in the Prefix 46 Information option, in seconds.*/ 47 u_int32_t AdvPreferredLifetime; 48#define RTADV_PREFERRED_LIFETIME 604800 49 50 /* The value to be placed in the Autonomous Flag. */ 51 int AdvAutonomousFlag; 52 53 /* The value to be placed in the Router Address Flag [RFC6275 7.2]. */ 54 int AdvRouterAddressFlag; 55#ifndef ND_OPT_PI_FLAG_RADDR 56#define ND_OPT_PI_FLAG_RADDR 0x20 57#endif 58 59}; 60 61extern void rtadv_config_write (struct vty *, struct interface *); 62extern void rtadv_init (void); 63 64/* RFC4584 Extension to Sockets API for Mobile IPv6 */ 65 66#ifndef ND_OPT_ADV_INTERVAL 67#define ND_OPT_ADV_INTERVAL 7 /* Adv Interval Option */ 68#endif 69#ifndef ND_OPT_HA_INFORMATION 70#define ND_OPT_HA_INFORMATION 8 /* HA Information Option */ 71#endif 72 73#ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL 74struct nd_opt_adv_interval { /* Advertisement interval option */ 75 uint8_t nd_opt_ai_type; 76 uint8_t nd_opt_ai_len; 77 uint16_t nd_opt_ai_reserved; 78 uint32_t nd_opt_ai_interval; 79} __attribute__((__packed__)); 80#else 81#ifndef HAVE_STRUCT_ND_OPT_ADV_INTERVAL_ND_OPT_AI_TYPE 82/* fields may have to be renamed */ 83#define nd_opt_ai_type nd_opt_adv_interval_type 84#define nd_opt_ai_len nd_opt_adv_interval_len 85#define nd_opt_ai_reserved nd_opt_adv_interval_reserved 86#define nd_opt_ai_interval nd_opt_adv_interval_ival 87#endif 88#endif 89 90#ifndef HAVE_STRUCT_ND_OPT_HOMEAGENT_INFO 91struct nd_opt_homeagent_info { /* Home Agent info */ 92 u_int8_t nd_opt_hai_type; 93 u_int8_t nd_opt_hai_len; 94 u_int16_t nd_opt_hai_reserved; 95 u_int16_t nd_opt_hai_preference; 96 u_int16_t nd_opt_hai_lifetime; 97} __attribute__((__packed__)); 98#endif 99 100extern const char *rtadv_pref_strs[]; 101 102#endif /* RTADV */ 103 104#endif /* _ZEBRA_RTADV_H */ 105