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Initial revision

    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 */