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Annotation of embedaddon/quagga/ospf6d/ospf6_spf.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2003 Yasuhiro Ohara
                      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 
                     18:  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 
                     19:  * Boston, MA 02111-1307, USA.  
                     20:  */
                     21: 
                     22: #ifndef OSPF6_SPF_H
                     23: #define OSPF6_SPF_H
                     24: 
                     25: /* Debug option */
                     26: extern unsigned char conf_debug_ospf6_spf;
                     27: #define OSPF6_DEBUG_SPF_PROCESS   0x01
                     28: #define OSPF6_DEBUG_SPF_TIME      0x02
                     29: #define OSPF6_DEBUG_SPF_DATABASE  0x04
                     30: #define OSPF6_DEBUG_SPF_ON(level) \
                     31:   (conf_debug_ospf6_spf |= (level))
                     32: #define OSPF6_DEBUG_SPF_OFF(level) \
                     33:   (conf_debug_ospf6_spf &= ~(level))
                     34: #define IS_OSPF6_DEBUG_SPF(level) \
                     35:   (conf_debug_ospf6_spf & OSPF6_DEBUG_SPF_ ## level)
                     36: 
                     37: /* Transit Vertex */
                     38: struct ospf6_vertex
                     39: {
                     40:   /* type of this vertex */
                     41:   u_int8_t type;
                     42: 
                     43:   /* Vertex Identifier */
                     44:   struct prefix vertex_id;
                     45: 
                     46:   /* Identifier String */
                     47:   char name[128];
                     48: 
                     49:   /* Associated Area */
                     50:   struct ospf6_area *area;
                     51: 
                     52:   /* Associated LSA */
                     53:   struct ospf6_lsa *lsa;
                     54: 
                     55:   /* Distance from Root (i.e. Cost) */
                     56:   u_int32_t cost;
                     57: 
                     58:   /* Router hops to this node */
                     59:   u_char hops;
                     60: 
                     61:   /* nexthops to this node */
                     62:   struct ospf6_nexthop nexthop[OSPF6_MULTI_PATH_LIMIT];
                     63: 
                     64:   /* capability bits */
                     65:   u_char capability;
                     66: 
                     67:   /* Optional capabilities */
                     68:   u_char options[3];
                     69: 
                     70:   /* For tree display */
                     71:   struct ospf6_vertex *parent;
                     72:   struct list *child_list;
                     73: };
                     74: 
                     75: #define OSPF6_VERTEX_TYPE_ROUTER  0x01
                     76: #define OSPF6_VERTEX_TYPE_NETWORK 0x02
                     77: #define VERTEX_IS_TYPE(t, v) \
                     78:   ((v)->type == OSPF6_VERTEX_TYPE_ ## t ? 1 : 0)
                     79: 
                     80: extern void ospf6_spf_table_finish (struct ospf6_route_table *result_table);
                     81: extern void ospf6_spf_calculation (u_int32_t router_id,
                     82:                                    struct ospf6_route_table *result_table,
                     83:                                    struct ospf6_area *oa);
                     84: extern void ospf6_spf_schedule (struct ospf6_area *oa);
                     85: 
                     86: extern void ospf6_spf_display_subtree (struct vty *vty, const char *prefix,
                     87:                                        int rest, struct ospf6_vertex *v);
                     88: 
                     89: extern int config_write_ospf6_debug_spf (struct vty *vty);
                     90: extern void install_element_ospf6_debug_spf (void);
                     91: extern void ospf6_spf_init (void);
                     92: 
                     93: #endif /* OSPF6_SPF_H */
                     94: