projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 718e3744 | 1 | /* BGP open message handling |
| 896014f4 DL |
2 | * Copyright (C) 1999 Kunihiro Ishiguro |
| 3 | * | |
| 4 | * This file is part of GNU Zebra. | |
| 5 | * | |
| 6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
| 7 | * under the terms of the GNU General Public License as published by the | |
| 8 | * Free Software Foundation; either version 2, or (at your option) any | |
| 9 | * later version. | |
| 10 | * | |
| 11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | * General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License along | |
| 17 | * with this program; see the file COPYING; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 19 | */ | |
| 718e3744 | 20 | |
| 00d252cb | 21 | #ifndef _QUAGGA_BGP_OPEN_H |
| 22 | #define _QUAGGA_BGP_OPEN_H | |
| 23 | ||
| 6d58272b | 24 | /* Standard header for capability TLV */ |
| d62a17ae | 25 | struct capability_header { |
| d7c0a89a QY |
26 | uint8_t code; |
| 27 | uint8_t length; | |
| 6d58272b PJ |
28 | }; |
| 29 | ||
| 30 | /* Generic MP capability data */ | |
| d62a17ae | 31 | struct capability_mp_data { |
| a46a2e9b | 32 | uint16_t afi; /* iana_afi_t */ |
| d7c0a89a | 33 | uint8_t reserved; |
| a46a2e9b | 34 | uint8_t safi; /* iana_safi_t */ |
| 718e3744 | 35 | }; |
| 36 | ||
| d62a17ae | 37 | struct graceful_restart_af { |
| 38 | afi_t afi; | |
| 39 | safi_t safi; | |
| d7c0a89a | 40 | uint8_t flag; |
| 538621f2 | 41 | }; |
| 42 | ||
| 43 | /* Capability Code */ | |
| 44 | #define CAPABILITY_CODE_MP 1 /* Multiprotocol Extensions */ | |
| 45 | #define CAPABILITY_CODE_REFRESH 2 /* Route Refresh Capability */ | |
| 46 | #define CAPABILITY_CODE_ORF 3 /* Cooperative Route Filtering Capability */ | |
| 47 | #define CAPABILITY_CODE_RESTART 64 /* Graceful Restart Capability */ | |
| 6d58272b | 48 | #define CAPABILITY_CODE_AS4 65 /* 4-octet AS number Capability */ |
| 89eeecb8 DS |
49 | #define CAPABILITY_CODE_DYNAMIC_OLD 66 /* Dynamic Capability, deprecated since 2003 */ |
| 50 | #define CAPABILITY_CODE_DYNAMIC 67 /* Dynamic Capability */ | |
| a82478b9 | 51 | #define CAPABILITY_CODE_ADDPATH 69 /* Addpath Capability */ |
| 9af52ccf | 52 | #define CAPABILITY_CODE_ENHANCED_RR 70 /* Enhanced Route Refresh capability */ |
| 8606be87 | 53 | #define CAPABILITY_CODE_LLGR 71 /* Long-lived Graceful Restart */ |
| da88f402 | 54 | #define CAPABILITY_CODE_FQDN 73 /* Advertise hostname capability */ |
| 8a92a8a0 | 55 | #define CAPABILITY_CODE_ENHE 5 /* Extended Next Hop Encoding */ |
| 538621f2 | 56 | #define CAPABILITY_CODE_REFRESH_OLD 128 /* Route Refresh Capability(cisco) */ |
| 57 | #define CAPABILITY_CODE_ORF_OLD 130 /* Cooperative Route Filtering Capability(cisco) */ | |
| ef56aee4 | 58 | #define CAPABILITY_CODE_EXT_MESSAGE 6 /* Extended Message Support */ |
| 718e3744 | 59 | |
| 538621f2 | 60 | /* Capability Length */ |
| 61 | #define CAPABILITY_CODE_MP_LEN 4 | |
| 718e3744 | 62 | #define CAPABILITY_CODE_REFRESH_LEN 0 |
| 538621f2 | 63 | #define CAPABILITY_CODE_DYNAMIC_LEN 0 |
| 64 | #define CAPABILITY_CODE_RESTART_LEN 2 /* Receiving only case */ | |
| 6d58272b | 65 | #define CAPABILITY_CODE_AS4_LEN 4 |
| a82478b9 | 66 | #define CAPABILITY_CODE_ADDPATH_LEN 4 |
| 8a92a8a0 | 67 | #define CAPABILITY_CODE_ENHE_LEN 6 /* NRLI AFI = 2, SAFI = 2, Nexthop AFI = 2 */ |
| e978e1de | 68 | #define CAPABILITY_CODE_MIN_FQDN_LEN 2 |
| 9af52ccf | 69 | #define CAPABILITY_CODE_ENHANCED_LEN 0 |
| 8606be87 | 70 | #define CAPABILITY_CODE_LLGR_LEN 0 |
| e978e1de | 71 | #define CAPABILITY_CODE_ORF_LEN 5 |
| ef56aee4 | 72 | #define CAPABILITY_CODE_EXT_MESSAGE_LEN 0 /* Extended Message Support */ |
| 718e3744 | 73 | |
| 74 | /* Cooperative Route Filtering Capability. */ | |
| 718e3744 | 75 | |
| 538621f2 | 76 | /* ORF Type */ |
| 9ea364a2 | 77 | #define ORF_TYPE_PREFIX 64 |
| 718e3744 | 78 | #define ORF_TYPE_PREFIX_OLD 128 |
| 79 | ||
| 538621f2 | 80 | /* ORF Mode */ |
| 9ea364a2 DA |
81 | #define ORF_MODE_RECEIVE 1 |
| 82 | #define ORF_MODE_SEND 2 | |
| 83 | #define ORF_MODE_BOTH 3 | |
| 718e3744 | 84 | |
| 718e3744 | 85 | /* Capability Message Action. */ |
| 86 | #define CAPABILITY_ACTION_SET 0 | |
| 87 | #define CAPABILITY_ACTION_UNSET 1 | |
| 88 | ||
| 538621f2 | 89 | /* Graceful Restart */ |
| d83facbb DA |
90 | #define GRACEFUL_RESTART_R_BIT 0x8000 |
| 91 | #define GRACEFUL_RESTART_F_BIT 0x80 | |
| 538621f2 | 92 | |
| 8606be87 DA |
93 | /* Long-lived Graceful Restart */ |
| 94 | #define LLGR_F_BIT 0x80 | |
| 95 | ||
| d08c0c80 DA |
96 | /* Optional Parameters */ |
| 97 | #define BGP_OPEN_NON_EXT_OPT_LEN 255 /* Non-Ext OP Len. */ | |
| 98 | #define BGP_OPEN_NON_EXT_OPT_TYPE_EXTENDED_LENGTH 255 /* Non-Ext OP Type */ | |
| 99 | #define BGP_OPEN_EXT_OPT_PARAMS_CAPABLE(peer) \ | |
| 100 | (CHECK_FLAG(peer->flags, PEER_FLAG_EXTENDED_OPT_PARAMS) \ | |
| 101 | || CHECK_FLAG(peer->sflags, PEER_STATUS_EXT_OPT_PARAMS_LENGTH)) | |
| 102 | ||
| 103 | extern int bgp_open_option_parse(struct peer *peer, uint16_t length, | |
| 104 | int *mp_capability); | |
| 105 | extern uint16_t bgp_open_capability(struct stream *s, struct peer *peer, | |
| 106 | bool ext_opt_params); | |
| 94d4c685 DS |
107 | extern void bgp_capability_vty_out(struct vty *vty, struct peer *peer, |
| 108 | bool use_json, json_object *json_neigh); | |
| d08c0c80 | 109 | extern as_t peek_for_as4_capability(struct peer *peer, uint16_t length); |
| 00d252cb | 110 | |
| 111 | #endif /* _QUAGGA_BGP_OPEN_H */ |