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1 | /* Router advertisement |
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2 | * Copyright (C) 2005 6WIND <jean-mickael.guerin@6wind.com> |
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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 | /* Router advertisement prefix. */ |
| 27 | struct rtadv_prefix |
| 28 | { |
| 29 | /* Prefix to be advertised. */ |
| 30 | struct prefix prefix; |
| 31 | |
| 32 | /* The value to be placed in the Valid Lifetime in the Prefix */ |
| 33 | u_int32_t AdvValidLifetime; |
| 34 | #define RTADV_VALID_LIFETIME 2592000 |
| 35 | |
| 36 | /* The value to be placed in the on-link flag */ |
| 37 | int AdvOnLinkFlag; |
| 38 | |
| 39 | /* The value to be placed in the Preferred Lifetime in the Prefix |
| 40 | Information option, in seconds.*/ |
| 41 | u_int32_t AdvPreferredLifetime; |
| 42 | #define RTADV_PREFERRED_LIFETIME 604800 |
| 43 | |
| 44 | /* The value to be placed in the Autonomous Flag. */ |
| 45 | int AdvAutonomousFlag; |
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46 | |
| 47 | /* The value to be placed in the Router Address Flag (RFC3775 7.2). */ |
| 48 | int AdvRouterAddressFlag; |
| 49 | #ifndef ND_OPT_PI_FLAG_RADDR |
| 50 | #define ND_OPT_PI_FLAG_RADDR 0x20 |
| 51 | #endif |
| 52 | |
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53 | }; |
| 54 | |
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55 | extern void rtadv_config_write (struct vty *, struct interface *); |
| 56 | extern void rtadv_init (void); |
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57 | |
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58 | /* draft-ietf-mip6-mipext-advapi-03 */ |
| 59 | |
| 60 | #ifndef ND_OPT_ADV_INTERVAL |
| 61 | #define ND_OPT_ADV_INTERVAL 7 /* Adv Interval Option */ |
| 62 | #endif |
| 63 | #ifndef ND_OPT_HA_INFORMATION |
| 64 | #define ND_OPT_HA_INFORMATION 8 /* HA Information Option */ |
| 65 | #endif |
| 66 | |
| 67 | #ifndef HAVE_ND_OPT_ADV_INTERVAL |
| 68 | struct nd_opt_adv_interval { /* Advertisement interval option */ |
| 69 | uint8_t nd_opt_ai_type; |
| 70 | uint8_t nd_opt_ai_len; |
| 71 | uint16_t nd_opt_ai_reserved; |
| 72 | uint32_t nd_opt_ai_interval; |
| 73 | } __attribute__((__packed__)); |
| 74 | #else |
| 75 | #ifndef HAVE_ND_OPT_ADV_INTERVAL_AI_FIELDS |
| 76 | /* fields may have to be renamed */ |
| 77 | #define nd_opt_ai_type nd_opt_adv_interval_type |
| 78 | #define nd_opt_ai_len nd_opt_adv_interval_len |
| 79 | #define nd_opt_ai_reserved nd_opt_adv_interval_reserved |
| 80 | #define nd_opt_ai_interval nd_opt_adv_interval_ival |
| 81 | #endif |
| 82 | #endif |
| 83 | |
| 84 | #ifndef HAVE_ND_OPT_HOMEAGENT_INFO |
| 85 | struct nd_opt_homeagent_info { /* Home Agent info */ |
| 86 | u_int8_t nd_opt_hai_type; |
| 87 | u_int8_t nd_opt_hai_len; |
| 88 | u_int16_t nd_opt_hai_reserved; |
| 89 | u_int16_t nd_opt_hai_preference; |
| 90 | u_int16_t nd_opt_hai_lifetime; |
| 91 | } __attribute__((__packed__)); |
| 92 | #endif |
| 93 | |
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94 | #endif /* _ZEBRA_RTADV_H */ |
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