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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 */