/* * Copyright (C) 2003 Yasuhiro Ohara * * This file is part of GNU Zebra. * * GNU Zebra is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * GNU Zebra is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU Zebra; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef OSPF6_ROUTE_H #define OSPF6_ROUTE_H #define OSPF6_MULTI_PATH_LIMIT 4 /* Debug option */ extern unsigned char conf_debug_ospf6_route; #define OSPF6_DEBUG_ROUTE_TABLE 0x01 #define OSPF6_DEBUG_ROUTE_INTRA 0x02 #define OSPF6_DEBUG_ROUTE_INTER 0x04 #define OSPF6_DEBUG_ROUTE_MEMORY 0x80 #define OSPF6_DEBUG_ROUTE_ON(level) \ (conf_debug_ospf6_route |= (level)) #define OSPF6_DEBUG_ROUTE_OFF(level) \ (conf_debug_ospf6_route &= ~(level)) #define IS_OSPF6_DEBUG_ROUTE(e) \ (conf_debug_ospf6_route & OSPF6_DEBUG_ROUTE_ ## e) /* Nexthop */ struct ospf6_nexthop { /* Interface index */ unsigned int ifindex; /* IP address, if any */ struct in6_addr address; }; #define ospf6_nexthop_is_set(x) \ ((x)->ifindex || ! IN6_IS_ADDR_UNSPECIFIED (&(x)->address)) #define ospf6_nexthop_is_same(a,b) \ ((a)->ifindex == (b)->ifindex && \ IN6_ARE_ADDR_EQUAL (&(a)->address, &(b)->address)) #define ospf6_nexthop_clear(x) \ do { \ (x)->ifindex = 0; \ memset (&(x)->address, 0, sizeof (struct in6_addr)); \ } while (0) #define ospf6_nexthop_copy(a, b) \ do { \ (a)->ifindex = (b)->ifindex; \ memcpy (&(a)->address, &(b)->address, \ sizeof (struct in6_addr)); \ } while (0) /* Path */ struct ospf6_ls_origin { u_int16_t type; u_int32_t id; u_int32_t adv_router; }; struct ospf6_path { /* Link State Origin */ struct ospf6_ls_origin origin; /* Router bits */ u_char router_bits; /* Optional Capabilities */ u_char options[3]; /* Prefix Options */ u_char prefix_options; /* Associated Area */ u_int32_t area_id; /* Path-type */ u_char type; u_char subtype; /* only used for redistribute i.e ZEBRA_ROUTE_XXX */ /* Cost */ u_int8_t metric_type; u_int32_t cost; u_int32_t cost_e2; }; #define OSPF6_PATH_TYPE_NONE 0 #define OSPF6_PATH_TYPE_INTRA 1 #define OSPF6_PATH_TYPE_INTER 2 #define OSPF6_PATH_TYPE_EXTERNAL1 3 #define OSPF6_PATH_TYPE_EXTERNAL2 4 #define OSPF6_PATH_TYPE_REDISTRIBUTE 5 #define OSPF6_PATH_TYPE_MAX 6 #include "prefix.h" #include "table.h" struct ospf6_route { struct route_node *rnode; struct ospf6_route_table *table; struct ospf6_route *prev; struct ospf6_route *next; unsigned int lock; /* Destination Type */ u_char type; /* Destination ID */ struct prefix prefix; /* Time */ struct timeval installed; struct timeval changed; /* flag */ u_char flag; /* path */ struct ospf6_path path; /* nexthop */ struct ospf6_nexthop nexthop[OSPF6_MULTI_PATH_LIMIT]; /* route option */ void *route_option; /* link state id for advertising */ u_int32_t linkstate_id; }; #define OSPF6_DEST_TYPE_NONE 0 #define OSPF6_DEST_TYPE_ROUTER 1 #define OSPF6_DEST_TYPE_NETWORK 2 #define OSPF6_DEST_TYPE_DISCARD 3 #define OSPF6_DEST_TYPE_LINKSTATE 4 #define OSPF6_DEST_TYPE_RANGE 5 #define OSPF6_DEST_TYPE_MAX 6 #define OSPF6_ROUTE_CHANGE 0x01 #define OSPF6_ROUTE_ADD 0x02 #define OSPF6_ROUTE_REMOVE 0x04 #define OSPF6_ROUTE_BEST 0x08 #define OSPF6_ROUTE_ACTIVE_SUMMARY 0x10 #define OSPF6_ROUTE_DO_NOT_ADVERTISE 0x20 #define OSPF6_ROUTE_WAS_REMOVED 0x40 struct ospf6_route_table { int scope_type; int table_type; void *scope; /* patricia tree */ struct route_table *table; u_int32_t count; /* hooks */ void (*hook_add) (struct ospf6_route *); void (*hook_change) (struct ospf6_route *); void (*hook_remove) (struct ospf6_route *); }; #define OSPF6_SCOPE_TYPE_NONE 0 #define OSPF6_SCOPE_TYPE_GLOBAL 1 #define OSPF6_SCOPE_TYPE_AREA 2 #define OSPF6_SCOPE_TYPE_INTERFACE 3 #define OSPF6_TABLE_TYPE_NONE 0 #define OSPF6_TABLE_TYPE_ROUTES 1 #define OSPF6_TABLE_TYPE_BORDER_ROUTERS 2 #define OSPF6_TABLE_TYPE_CONNECTED_ROUTES 3 #define OSPF6_TABLE_TYPE_EXTERNAL_ROUTES 4 #define OSPF6_TABLE_TYPE_SPF_RESULTS 5 #define OSPF6_TABLE_TYPE_PREFIX_RANGES 6 #define OSPF6_TABLE_TYPE_SUMMARY_PREFIXES 7 #define OSPF6_TABLE_TYPE_SUMMARY_ROUTERS 8 #define OSPF6_ROUTE_TABLE_CREATE(s, t) \ ospf6_route_table_create (OSPF6_SCOPE_TYPE_ ## s, \ OSPF6_TABLE_TYPE_ ## t) extern const char *ospf6_dest_type_str[OSPF6_DEST_TYPE_MAX]; extern const char *ospf6_dest_type_substr[OSPF6_DEST_TYPE_MAX]; #define OSPF6_DEST_TYPE_NAME(x) \ (0 < (x) && (x) < OSPF6_DEST_TYPE_MAX ? \ ospf6_dest_type_str[(x)] : ospf6_dest_type_str[0]) #define OSPF6_DEST_TYPE_SUBSTR(x) \ (0 < (x) && (x) < OSPF6_DEST_TYPE_MAX ? \ ospf6_dest_type_substr[(x)] : ospf6_dest_type_substr[0]) extern const char *ospf6_path_type_str[OSPF6_PATH_TYPE_MAX]; extern const char *ospf6_path_type_substr[OSPF6_PATH_TYPE_MAX]; #define OSPF6_PATH_TYPE_NAME(x) \ (0 < (x) && (x) < OSPF6_PATH_TYPE_MAX ? \ ospf6_path_type_str[(x)] : ospf6_path_type_str[0]) #define OSPF6_PATH_TYPE_SUBSTR(x) \ (0 < (x) && (x) < OSPF6_PATH_TYPE_MAX ? \ ospf6_path_type_substr[(x)] : ospf6_path_type_substr[0]) #define OSPF6_ROUTE_ADDRESS_STR "Display the route bestmatches the address\n" #define OSPF6_ROUTE_PREFIX_STR "Display the route\n" #define OSPF6_ROUTE_MATCH_STR "Display the route matches the prefix\n" #define ospf6_route_is_prefix(p, r) \ (memcmp (p, &(r)->prefix, sizeof (struct prefix)) == 0) #define ospf6_route_is_same(ra, rb) \ (prefix_same (&(ra)->prefix, &(rb)->prefix)) #define ospf6_route_is_same_origin(ra, rb) \ ((ra)->path.area_id == (rb)->path.area_id && \ memcmp (&(ra)->path.origin, &(rb)->path.origin, \ sizeof (struct ospf6_ls_origin)) == 0) #define ospf6_route_is_identical(ra, rb) \ ((ra)->type == (rb)->type && \ memcmp (&(ra)->prefix, &(rb)->prefix, sizeof (struct prefix)) == 0 && \ memcmp (&(ra)->path, &(rb)->path, sizeof (struct ospf6_path)) == 0 && \ memcmp (&(ra)->nexthop, &(rb)->nexthop, \ sizeof (struct ospf6_nexthop) * OSPF6_MULTI_PATH_LIMIT) == 0) #define ospf6_route_is_best(r) (CHECK_FLAG ((r)->flag, OSPF6_ROUTE_BEST)) #define ospf6_linkstate_prefix_adv_router(x) \ (*(u_int32_t *)(&(x)->u.prefix6.s6_addr[0])) #define ospf6_linkstate_prefix_id(x) \ (*(u_int32_t *)(&(x)->u.prefix6.s6_addr[4])) #define ADV_ROUTER_IN_PREFIX(x) \ (*(u_int32_t *)(&(x)->u.prefix6.s6_addr[0])) #define ID_IN_PREFIX(x) \ (*(u_int32_t *)(&(x)->u.prefix6.s6_addr[4])) /* Function prototype */ extern void ospf6_linkstate_prefix (u_int32_t adv_router, u_int32_t id, struct prefix *prefix); extern void ospf6_linkstate_prefix2str (struct prefix *prefix, char *buf, int size); extern struct ospf6_route *ospf6_route_create (void); extern void ospf6_route_delete (struct ospf6_route *); extern struct ospf6_route *ospf6_route_copy (struct ospf6_route *route); extern void ospf6_route_lock (struct ospf6_route *route); extern void ospf6_route_unlock (struct ospf6_route *route); extern struct ospf6_route *ospf6_route_lookup (struct prefix *prefix, struct ospf6_route_table *table); extern struct ospf6_route *ospf6_route_lookup_identical (struct ospf6_route *route, struct ospf6_route_table *table); extern struct ospf6_route *ospf6_route_lookup_bestmatch (struct prefix *prefix, struct ospf6_route_table *table); extern struct ospf6_route *ospf6_route_add (struct ospf6_route *route, struct ospf6_route_table *table); extern void ospf6_route_remove (struct ospf6_route *route, struct ospf6_route_table *table); extern struct ospf6_route *ospf6_route_head (struct ospf6_route_table *table); extern struct ospf6_route *ospf6_route_next (struct ospf6_route *route); extern struct ospf6_route *ospf6_route_best_next (struct ospf6_route *route); extern struct ospf6_route *ospf6_route_match_head (struct prefix *prefix, struct ospf6_route_table *table); extern struct ospf6_route *ospf6_route_match_next (struct prefix *prefix, struct ospf6_route *route); extern void ospf6_route_remove_all (struct ospf6_route_table *); extern struct ospf6_route_table *ospf6_route_table_create (int s, int t); extern void ospf6_route_table_delete (struct ospf6_route_table *); extern void ospf6_route_dump (struct ospf6_route_table *table); extern void ospf6_route_show (struct vty *vty, struct ospf6_route *route); extern void ospf6_route_show_detail (struct vty *vty, struct ospf6_route *route); extern int ospf6_route_table_show (struct vty *, int, const char *[], struct ospf6_route_table *); extern int ospf6_linkstate_table_show (struct vty *vty, int argc, const char *argv[], struct ospf6_route_table *table); extern void ospf6_brouter_show_header (struct vty *vty); extern void ospf6_brouter_show (struct vty *vty, struct ospf6_route *route); extern int config_write_ospf6_debug_route (struct vty *vty); extern void install_element_ospf6_debug_route (void); extern void ospf6_route_init (void); extern void ospf6_clean (void); #endif /* OSPF6_ROUTE_H */