bgp_open.h
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上传日期:2009-11-15
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- /* BGP open message handling
- Copyright (C) 1999 Kunihiro Ishiguro
- This file is part of GNU Zebra.
- GNU Zebra is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any
- later version.
- GNU Zebra is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNU Zebra; see the file COPYING. If not, write to the Free
- Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
- /* MP Capability information. */
- struct capability_mp
- {
- u_int16_t afi;
- u_char reserved;
- u_char safi;
- };
- /* BGP open message capability. */
- struct capability
- {
- u_char code;
- u_char length;
- struct capability_mp mpc;
- };
- struct graceful_restart_af
- {
- u_int16_t afi;
- u_char safi;
- u_char flag;
- };
- /* Capability Code */
- #define CAPABILITY_CODE_MP 1 /* Multiprotocol Extensions */
- #define CAPABILITY_CODE_REFRESH 2 /* Route Refresh Capability */
- #define CAPABILITY_CODE_ORF 3 /* Cooperative Route Filtering Capability */
- #define CAPABILITY_CODE_RESTART 64 /* Graceful Restart Capability */
- #define CAPABILITY_CODE_4BYTE_AS 65 /* 4-octet AS number Capability */
- #define CAPABILITY_CODE_DYNAMIC 66 /* Dynamic Capability */
- #define CAPABILITY_CODE_REFRESH_OLD 128 /* Route Refresh Capability(cisco) */
- #define CAPABILITY_CODE_ORF_OLD 130 /* Cooperative Route Filtering Capability(cisco) */
- /* Capability Length */
- #define CAPABILITY_CODE_MP_LEN 4
- #define CAPABILITY_CODE_REFRESH_LEN 0
- #define CAPABILITY_CODE_DYNAMIC_LEN 0
- #define CAPABILITY_CODE_RESTART_LEN 2 /* Receiving only case */
- /* Cooperative Route Filtering Capability. */
- /* ORF Type */
- #define ORF_TYPE_PREFIX 64
- #define ORF_TYPE_PREFIX_OLD 128
- /* ORF Mode */
- #define ORF_MODE_RECEIVE 1
- #define ORF_MODE_SEND 2
- #define ORF_MODE_BOTH 3
- /* Dynamic capability */
- /* Capability Message Action. */
- #define CAPABILITY_ACTION_SET 0
- #define CAPABILITY_ACTION_UNSET 1
- /* Graceful Restart */
- #define RESTART_R_BIT 0x8000
- #define RESTART_F_BIT 0x80
- int bgp_open_option_parse (struct peer *, u_char, int *);
- void bgp_open_capability (struct stream *, struct peer *);
- void bgp_capability_vty_out (struct vty *, struct peer *);