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Diff for /embedaddon/quagga/ospfd/ospf_route.c between versions 1.1 and 1.1.1.3

version 1.1, 2012/02/21 17:26:12 version 1.1.1.3, 2013/07/21 23:54:40
Line 126  ospf_route_table_free (struct route_table *rt) Line 126  ospf_route_table_free (struct route_table *rt)
    route_table_finish (rt);     route_table_finish (rt);
 }  }
   
   /* If a prefix exists in the new routing table, then return 1,
      otherwise return 0. Since the ZEBRA-RIB does an implicit
      withdraw, it is not necessary to send a delete, an add later
      will act like an implicit delete. */
   static int
   ospf_route_exist_new_table (struct route_table *rt, struct prefix_ipv4 *prefix)
   {
     struct route_node *rn;
   
     assert (rt);
     assert (prefix);
   
     rn = route_node_lookup (rt, (struct prefix *) prefix);
     if (!rn) {
       return 0;
     }
     route_unlock_node (rn);
   
     if (!rn->info) {
       return 0;
     }
   
     return 1;
   }
   
 /* If a prefix and a nexthop match any route in the routing table,  /* If a prefix and a nexthop match any route in the routing table,
    then return 1, otherwise return 0. */     then return 1, otherwise return 0. */
 int  int
Line 223  ospf_route_delete_uniq (struct route_table *rt, struct Line 248  ospf_route_delete_uniq (struct route_table *rt, struct
         {          {
           if (or->type == OSPF_DESTINATION_NETWORK)            if (or->type == OSPF_DESTINATION_NETWORK)
             {              {
              if (! ospf_route_match_same (cmprt,               if (! ospf_route_exist_new_table (cmprt,
                                           (struct prefix_ipv4 *) &rn->p, or))                                           (struct prefix_ipv4 *) &rn->p))
                 ospf_zebra_delete ((struct prefix_ipv4 *) &rn->p, or);                  ospf_zebra_delete ((struct prefix_ipv4 *) &rn->p, or);
             }              }
           else if (or->type == OSPF_DESTINATION_DISCARD)            else if (or->type == OSPF_DESTINATION_DISCARD)
            if (! ospf_route_match_same (cmprt,            if (! ospf_route_exist_new_table (cmprt,
                                         (struct prefix_ipv4 *) &rn->p, or))                                         (struct prefix_ipv4 *) &rn->p))
               ospf_zebra_delete_discard ((struct prefix_ipv4 *) &rn->p);                ospf_zebra_delete_discard ((struct prefix_ipv4 *) &rn->p);
         }          }
 }  }
Line 272  ospf_route_install (struct ospf *ospf, struct route_ta Line 297  ospf_route_install (struct ospf *ospf, struct route_ta
       }        }
 }  }
   
 static void  
 ospf_intra_route_add (struct route_table *rt, struct vertex *v,  
                       struct ospf_area *area)  
 {  
   struct route_node *rn;  
   struct ospf_route *or;  
   struct prefix_ipv4 p;  
   struct ospf_path *path;  
   struct vertex_parent *parent;  
   struct listnode *node, *nnode;  
   
   p.family = AF_INET;  
   p.prefix = v->id;  
   if (v->type == OSPF_VERTEX_ROUTER)  
     p.prefixlen = IPV4_MAX_BITLEN;  
   else  
     {  
       struct network_lsa *lsa = (struct network_lsa *) v->lsa;  
       p.prefixlen = ip_masklen (lsa->mask);  
     }  
   apply_mask_ipv4 (&p);  
   
   rn = route_node_get (rt, (struct prefix *) &p);  
   if (rn->info)  
     {  
       zlog_warn ("Same routing information exists for %s", inet_ntoa (v->id));  
       route_unlock_node (rn);  
       return;  
     }  
   
   or = ospf_route_new ();  
   
   if (v->type == OSPF_VERTEX_NETWORK)  
     {  
       or->type = OSPF_DESTINATION_NETWORK;  
   
       for (ALL_LIST_ELEMENTS (v->parents, node, nnode, parent))  
         {  
           path = ospf_path_new ();  
           path->nexthop = parent->nexthop->router;  
           listnode_add (or->paths, path);  
         }  
     }  
   else  
     or->type = OSPF_DESTINATION_ROUTER;  
   
   or->id = v->id;  
   or->u.std.area_id = area->area_id;  
   or->u.std.external_routing= area->external_routing;  
   or->path_type = OSPF_PATH_INTRA_AREA;  
   or->cost = v->distance;  
   
   rn->info = or;  
 }  
   
 /* RFC2328 16.1. (4). For "router". */  /* RFC2328 16.1. (4). For "router". */
 void  void
 ospf_intra_add_router (struct route_table *rt, struct vertex *v,  ospf_intra_add_router (struct route_table *rt, struct vertex *v,
Line 484  ospf_intra_add_transit (struct route_table *rt, struct Line 454  ospf_intra_add_transit (struct route_table *rt, struct
 void  void
 ospf_intra_add_stub (struct route_table *rt, struct router_lsa_link *link,  ospf_intra_add_stub (struct route_table *rt, struct router_lsa_link *link,
                      struct vertex *v, struct ospf_area *area,                       struct vertex *v, struct ospf_area *area,
                     int parent_is_root)                     int parent_is_root, int lsa_pos)
 {  {
   u_int32_t cost;    u_int32_t cost;
   struct route_node *rn;    struct route_node *rn;
Line 632  ospf_intra_add_stub (struct route_table *rt, struct ro Line 602  ospf_intra_add_stub (struct route_table *rt, struct ro
       if (IS_DEBUG_OSPF_EVENT)        if (IS_DEBUG_OSPF_EVENT)
         zlog_debug ("ospf_intra_add_stub(): this network is on this router");          zlog_debug ("ospf_intra_add_stub(): this network is on this router");
   
      if ((oi = ospf_if_lookup_by_prefix (area->ospf, &p)))      if ((oi = ospf_if_lookup_by_lsa_pos (area, lsa_pos)))
         {          {
           if (IS_DEBUG_OSPF_EVENT)            if (IS_DEBUG_OSPF_EVENT)
             zlog_debug ("ospf_intra_add_stub(): the interface is %s",              zlog_debug ("ospf_intra_add_stub(): the interface is %s",
Line 1009  ospf_add_discard_route (struct route_table *rt, struct Line 979  ospf_add_discard_route (struct route_table *rt, struct
       ospf_route_free (rn->info);        ospf_route_free (rn->info);
   }    }
   
     if (IS_DEBUG_OSPF_EVENT)
       zlog_debug ("ospf_add_discard_route(): "
                   "adding %s/%d", inet_ntoa (p->prefix), p->prefixlen);
   
   new_or = ospf_route_new ();    new_or = ospf_route_new ();
   new_or->type = OSPF_DESTINATION_DISCARD;    new_or->type = OSPF_DESTINATION_DISCARD;
   new_or->id.s_addr = 0;    new_or->id.s_addr = 0;
Line 1024  ospf_add_discard_route (struct route_table *rt, struct Line 998  ospf_add_discard_route (struct route_table *rt, struct
 }  }
   
 void  void
ospf_delete_discard_route (struct prefix_ipv4 *p)ospf_delete_discard_route (struct route_table *rt, struct prefix_ipv4 *p)
 {  {
     struct route_node *rn;
     struct ospf_route *or;
   
     if (IS_DEBUG_OSPF_EVENT)
       zlog_debug ("ospf_delete_discard_route(): "
                   "deleting %s/%d", inet_ntoa (p->prefix), p->prefixlen);
   
     rn = route_node_lookup (rt, (struct prefix*)p);
   
     if (rn == NULL)
       {
         if (IS_DEBUG_OSPF_EVENT)
           zlog_debug("ospf_delete_discard_route(): no route found");
         return;
       }
   
     or = rn->info;
   
     if (or->path_type == OSPF_PATH_INTRA_AREA)
       {
         if (IS_DEBUG_OSPF_EVENT)
           zlog_debug ("ospf_delete_discard_route(): "
                       "an intra-area route exists");
         return;
       }
   
     if (or->type != OSPF_DESTINATION_DISCARD)
       {
         if (IS_DEBUG_OSPF_EVENT)
           zlog_debug ("ospf_delete_discard_route(): "
                       "not a discard entry");
         return;
       }
   
     /* free the route entry and the route node */
     ospf_route_free (rn->info);
   
     rn->info = NULL;
     route_unlock_node (rn);
     route_unlock_node (rn);
   
     /* remove the discard entry from the rib */
   ospf_zebra_delete_discard(p);    ospf_zebra_delete_discard(p);
   
     return;
 }  }
   
Removed from v.1.1  
changed lines
  Added in v.1.1.1.3

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