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Annotation of embedaddon/quagga/bgpd/bgp_table.h, revision 1.1.1.1

1.1       misho       1: /* BGP routing table
                      2:    Copyright (C) 1998, 2001 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_TABLE_H
                     22: #define _QUAGGA_BGP_TABLE_H
                     23: 
                     24: typedef enum
                     25: {
                     26:   BGP_TABLE_MAIN,
                     27:   BGP_TABLE_RSCLIENT,
                     28: } bgp_table_t;
                     29: 
                     30: struct bgp_table
                     31: {
                     32:   bgp_table_t type;
                     33:   
                     34:   /* afi/safi of this table */
                     35:   afi_t afi;
                     36:   safi_t safi;
                     37:   
                     38:   int lock;
                     39: 
                     40:   /* The owner of this 'bgp_table' structure. */
                     41:   struct peer *owner;
                     42: 
                     43:   struct bgp_node *top;
                     44:   
                     45:   unsigned long count;
                     46: };
                     47: 
                     48: struct bgp_node
                     49: {
                     50:   struct prefix p;
                     51: 
                     52:   struct bgp_table *table;
                     53:   struct bgp_node *parent;
                     54:   struct bgp_node *link[2];
                     55: #define l_left   link[0]
                     56: #define l_right  link[1]
                     57: 
                     58:   void *info;
                     59: 
                     60:   struct bgp_adj_out *adj_out;
                     61: 
                     62:   struct bgp_adj_in *adj_in;
                     63: 
                     64:   struct bgp_node *prn;
                     65: 
                     66:   int lock;
                     67: 
                     68:   u_char flags;
                     69: #define BGP_NODE_PROCESS_SCHEDULED     (1 << 0)
                     70: };
                     71: 
                     72: extern struct bgp_table *bgp_table_init (afi_t, safi_t);
                     73: extern void bgp_table_lock (struct bgp_table *);
                     74: extern void bgp_table_unlock (struct bgp_table *);
                     75: extern void bgp_table_finish (struct bgp_table **);
                     76: extern void bgp_unlock_node (struct bgp_node *node);
                     77: extern struct bgp_node *bgp_table_top (const struct bgp_table *const);
                     78: extern struct bgp_node *bgp_route_next (struct bgp_node *);
                     79: extern struct bgp_node *bgp_route_next_until (struct bgp_node *, struct bgp_node *);
                     80: extern struct bgp_node *bgp_node_get (struct bgp_table *const, struct prefix *);
                     81: extern struct bgp_node *bgp_node_lookup (const struct bgp_table *const, struct prefix *);
                     82: extern struct bgp_node *bgp_lock_node (struct bgp_node *node);
                     83: extern struct bgp_node *bgp_node_match (const struct bgp_table *, struct prefix *);
                     84: extern struct bgp_node *bgp_node_match_ipv4 (const struct bgp_table *,
                     85:                                          struct in_addr *);
                     86: #ifdef HAVE_IPV6
                     87: extern struct bgp_node *bgp_node_match_ipv6 (const struct bgp_table *,
                     88:                                          struct in6_addr *);
                     89: #endif /* HAVE_IPV6 */
                     90: extern unsigned long bgp_table_count (const struct bgp_table *const);
                     91: #endif /* _QUAGGA_BGP_TABLE_H */