Annotation of embedaddon/quagga/bgpd/bgp_open.h, revision 1.1.1.2
1.1 misho 1: /* BGP open message handling
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
17: along with GNU Zebra; see the file COPYING. If not, write to the Free
18: Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
19: 02111-1307, USA. */
20:
21: #ifndef _QUAGGA_BGP_OPEN_H
22: #define _QUAGGA_BGP_OPEN_H
23:
24: /* Standard header for capability TLV */
25: struct capability_header
26: {
27: u_char code;
28: u_char length;
29: };
30:
31: /* Generic MP capability data */
32: struct capability_mp_data
33: {
34: afi_t afi;
35: u_char reserved;
36: safi_t safi;
37: };
38:
39: #pragma pack(1)
40: struct capability_orf_entry
41: {
42: struct capability_mp_data mpc;
43: u_char num;
44: struct {
45: u_char type;
46: u_char mode;
47: } orfs[];
48: } __attribute__ ((packed));
49: #pragma pack()
50:
51: struct capability_as4
52: {
53: uint32_t as4;
54: };
55:
56: struct graceful_restart_af
57: {
58: afi_t afi;
59: safi_t safi;
60: u_char flag;
61: };
62:
63: struct capability_gr
64: {
65: u_int16_t restart_flag_time;
66: struct graceful_restart_af gr[];
67: };
68:
69: /* Capability Code */
70: #define CAPABILITY_CODE_MP 1 /* Multiprotocol Extensions */
71: #define CAPABILITY_CODE_REFRESH 2 /* Route Refresh Capability */
72: #define CAPABILITY_CODE_ORF 3 /* Cooperative Route Filtering Capability */
73: #define CAPABILITY_CODE_RESTART 64 /* Graceful Restart Capability */
74: #define CAPABILITY_CODE_AS4 65 /* 4-octet AS number Capability */
75: #define CAPABILITY_CODE_DYNAMIC 66 /* Dynamic Capability */
76: #define CAPABILITY_CODE_REFRESH_OLD 128 /* Route Refresh Capability(cisco) */
77: #define CAPABILITY_CODE_ORF_OLD 130 /* Cooperative Route Filtering Capability(cisco) */
78:
79: /* Capability Length */
80: #define CAPABILITY_CODE_MP_LEN 4
81: #define CAPABILITY_CODE_REFRESH_LEN 0
82: #define CAPABILITY_CODE_DYNAMIC_LEN 0
83: #define CAPABILITY_CODE_RESTART_LEN 2 /* Receiving only case */
84: #define CAPABILITY_CODE_AS4_LEN 4
1.1.1.2 ! misho 85: #define CAPABILITY_CODE_ORF_LEN 5
1.1 misho 86:
87: /* Cooperative Route Filtering Capability. */
88:
89: /* ORF Type */
90: #define ORF_TYPE_PREFIX 64
91: #define ORF_TYPE_PREFIX_OLD 128
92:
93: /* ORF Mode */
94: #define ORF_MODE_RECEIVE 1
95: #define ORF_MODE_SEND 2
96: #define ORF_MODE_BOTH 3
97:
98: /* Capability Message Action. */
99: #define CAPABILITY_ACTION_SET 0
100: #define CAPABILITY_ACTION_UNSET 1
101:
102: /* Graceful Restart */
103: #define RESTART_R_BIT 0x8000
104: #define RESTART_F_BIT 0x80
105:
106: extern int bgp_open_option_parse (struct peer *, u_char, int *);
107: extern void bgp_open_capability (struct stream *, struct peer *);
108: extern void bgp_capability_vty_out (struct vty *, struct peer *);
109: extern as_t peek_for_as4_capability (struct peer *, u_char);
110: extern int bgp_afi_safi_valid_indices (afi_t, safi_t *);
111:
112: #endif /* _QUAGGA_BGP_OPEN_H */
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