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quagga 1.0.20160315

    1: /*
    2:  * Copyright (C) 2004 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_ABR_H
   23: #define OSPF6_ABR_H
   24: 
   25: /* for struct ospf6_route */
   26: #include "ospf6_route.h"
   27: /* for struct ospf6_prefix */
   28: #include "ospf6_proto.h"
   29: 
   30: /* Debug option */
   31: extern unsigned char conf_debug_ospf6_abr;
   32: #define OSPF6_DEBUG_ABR_ON() \
   33:   (conf_debug_ospf6_abr = 1)
   34: #define OSPF6_DEBUG_ABR_OFF() \
   35:   (conf_debug_ospf6_abr = 0)
   36: #define IS_OSPF6_DEBUG_ABR \
   37:   (conf_debug_ospf6_abr)
   38: 
   39: /* Inter-Area-Prefix-LSA */
   40: #define OSPF6_INTER_PREFIX_LSA_MIN_SIZE        4U /* w/o IPv6 prefix */
   41: struct ospf6_inter_prefix_lsa
   42: {
   43:   u_int32_t metric;
   44:   struct ospf6_prefix prefix;
   45: };
   46: 
   47: /* Inter-Area-Router-LSA */
   48: #define OSPF6_INTER_ROUTER_LSA_FIX_SIZE       12U
   49: struct ospf6_inter_router_lsa
   50: {
   51:   u_char mbz;
   52:   u_char options[3];
   53:   u_int32_t metric;
   54:   u_int32_t router_id;
   55: };
   56: 
   57: #define OSPF6_ABR_SUMMARY_METRIC(E) (ntohl ((E)->metric & htonl (0x00ffffff)))
   58: #define OSPF6_ABR_SUMMARY_METRIC_SET(E,C) \
   59:   { (E)->metric &= htonl (0x00000000); \
   60:     (E)->metric |= htonl (0x00ffffff) & htonl (C); }
   61: 
   62: extern int ospf6_is_router_abr (struct ospf6 *o);
   63: 
   64: extern void ospf6_abr_enable_area (struct ospf6_area *oa);
   65: extern void ospf6_abr_disable_area (struct ospf6_area *oa);
   66: 
   67: extern void ospf6_abr_originate_summary_to_area (struct ospf6_route *route,
   68:                                                 struct ospf6_area *area);
   69: extern void ospf6_abr_originate_summary (struct ospf6_route *route);
   70: extern void ospf6_abr_examin_summary (struct ospf6_lsa *lsa, struct ospf6_area *oa);
   71: extern void ospf6_abr_examin_brouter (u_int32_t router_id);
   72: extern void ospf6_abr_reimport (struct ospf6_area *oa);
   73: 
   74: extern int config_write_ospf6_debug_abr (struct vty *vty);
   75: extern void install_element_ospf6_debug_abr (void);
   76: extern int ospf6_abr_config_write (struct vty *vty);
   77: 
   78: extern void ospf6_abr_init (void);
   79: 
   80: #endif /*OSPF6_ABR_H*/