back to topotato report
topotato coverage report
Current view: top level - ospf6d - ospf6_route.c (source / functions) Hit Total Coverage
Test: test_ospf6_p2xp.py::PtMPBasic Lines: 430 1026 41.9 %
Date: 2023-02-24 18:38:14 Functions: 41 66 62.1 %

          Line data    Source code
       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 along
      17             :  * with this program; see the file COPYING; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : 
      21             : #include <zebra.h>
      22             : 
      23             : #include "log.h"
      24             : #include "memory.h"
      25             : #include "prefix.h"
      26             : #include "table.h"
      27             : #include "vty.h"
      28             : #include "command.h"
      29             : #include "linklist.h"
      30             : 
      31             : #include "ospf6_proto.h"
      32             : #include "ospf6_lsa.h"
      33             : #include "ospf6_lsdb.h"
      34             : #include "ospf6_route.h"
      35             : #include "ospf6_top.h"
      36             : #include "ospf6_area.h"
      37             : #include "ospf6_interface.h"
      38             : #include "ospf6d.h"
      39             : #include "ospf6_zebra.h"
      40             : #include "ospf6d/ospf6_route_clippy.c"
      41             : 
      42          12 : DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_ROUTE,   "OSPF6 route");
      43          12 : DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_ROUTE_TABLE, "OSPF6 route table");
      44          12 : DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_NEXTHOP, "OSPF6 nexthop");
      45          12 : DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_PATH,    "OSPF6 Path");
      46             : 
      47             : unsigned char conf_debug_ospf6_route = 0;
      48             : 
      49           0 : static char *ospf6_route_table_name(struct ospf6_route_table *table)
      50             : {
      51           0 :         static char name[64];
      52           0 :         switch (table->scope_type) {
      53           0 :         case OSPF6_SCOPE_TYPE_GLOBAL: {
      54           0 :                 switch (table->table_type) {
      55           0 :                 case OSPF6_TABLE_TYPE_ROUTES:
      56           0 :                         snprintf(name, sizeof(name), "global route table");
      57           0 :                         break;
      58           0 :                 case OSPF6_TABLE_TYPE_BORDER_ROUTERS:
      59           0 :                         snprintf(name, sizeof(name), "global brouter table");
      60           0 :                         break;
      61           0 :                 case OSPF6_TABLE_TYPE_EXTERNAL_ROUTES:
      62           0 :                         snprintf(name, sizeof(name), "global external table");
      63           0 :                         break;
      64           0 :                 default:
      65           0 :                         snprintf(name, sizeof(name), "global unknown table");
      66           0 :                         break;
      67             :                 }
      68             :         } break;
      69             : 
      70           0 :         case OSPF6_SCOPE_TYPE_AREA: {
      71           0 :                 struct ospf6_area *oa = (struct ospf6_area *)table->scope;
      72           0 :                 switch (table->table_type) {
      73           0 :                 case OSPF6_TABLE_TYPE_SPF_RESULTS:
      74           0 :                         snprintf(name, sizeof(name), "area %s spf table",
      75           0 :                                  oa->name);
      76           0 :                         break;
      77           0 :                 case OSPF6_TABLE_TYPE_ROUTES:
      78           0 :                         snprintf(name, sizeof(name), "area %s route table",
      79           0 :                                  oa->name);
      80           0 :                         break;
      81           0 :                 case OSPF6_TABLE_TYPE_PREFIX_RANGES:
      82           0 :                         snprintf(name, sizeof(name), "area %s range table",
      83           0 :                                  oa->name);
      84           0 :                         break;
      85           0 :                 case OSPF6_TABLE_TYPE_SUMMARY_PREFIXES:
      86           0 :                         snprintf(name, sizeof(name),
      87           0 :                                  "area %s summary prefix table", oa->name);
      88           0 :                         break;
      89           0 :                 case OSPF6_TABLE_TYPE_SUMMARY_ROUTERS:
      90           0 :                         snprintf(name, sizeof(name),
      91           0 :                                  "area %s summary router table", oa->name);
      92           0 :                         break;
      93           0 :                 default:
      94           0 :                         snprintf(name, sizeof(name), "area %s unknown table",
      95           0 :                                  oa->name);
      96           0 :                         break;
      97             :                 }
      98             :         } break;
      99             : 
     100           0 :         case OSPF6_SCOPE_TYPE_INTERFACE: {
     101           0 :                 struct ospf6_interface *oi =
     102             :                         (struct ospf6_interface *)table->scope;
     103           0 :                 switch (table->table_type) {
     104           0 :                 case OSPF6_TABLE_TYPE_CONNECTED_ROUTES:
     105           0 :                         snprintf(name, sizeof(name),
     106             :                                  "interface %pOI connected table", oi);
     107           0 :                         break;
     108           0 :                 default:
     109           0 :                         snprintf(name, sizeof(name),
     110             :                                  "interface %pOI unknown table", oi);
     111           0 :                         break;
     112             :                 }
     113             :         } break;
     114             : 
     115           0 :         default: {
     116           0 :                 switch (table->table_type) {
     117           0 :                 case OSPF6_TABLE_TYPE_SPF_RESULTS:
     118           0 :                         snprintf(name, sizeof(name), "temporary spf table");
     119           0 :                         break;
     120           0 :                 default:
     121           0 :                         snprintf(name, sizeof(name), "temporary unknown table");
     122           0 :                         break;
     123             :                 }
     124             :         } break;
     125             :         }
     126           0 :         return name;
     127             : }
     128             : 
     129         317 : void ospf6_linkstate_prefix(uint32_t adv_router, uint32_t id,
     130             :                             struct prefix *prefix)
     131             : {
     132         317 :         memset(prefix, 0, sizeof(struct prefix));
     133         317 :         prefix->family = AF_INET6;
     134         317 :         prefix->prefixlen = 64;
     135         317 :         memcpy(&prefix->u.prefix6.s6_addr[0], &adv_router, 4);
     136         317 :         memcpy(&prefix->u.prefix6.s6_addr[4], &id, 4);
     137         317 : }
     138             : 
     139         409 : void ospf6_linkstate_prefix2str(struct prefix *prefix, char *buf, int size)
     140             : {
     141         409 :         uint32_t adv_router, id;
     142         409 :         char adv_router_str[16], id_str[16];
     143         409 :         memcpy(&adv_router, &prefix->u.prefix6.s6_addr[0], 4);
     144         409 :         memcpy(&id, &prefix->u.prefix6.s6_addr[4], 4);
     145         409 :         inet_ntop(AF_INET, &adv_router, adv_router_str, sizeof(adv_router_str));
     146         409 :         inet_ntop(AF_INET, &id, id_str, sizeof(id_str));
     147         409 :         if (ntohl(id))
     148          57 :                 snprintf(buf, size, "%s Net-ID: %s", adv_router_str, id_str);
     149             :         else
     150         352 :                 snprintf(buf, size, "%s", adv_router_str);
     151         409 : }
     152             : 
     153             : /* Global strings for logging */
     154             : const char *const ospf6_dest_type_str[OSPF6_DEST_TYPE_MAX] = {
     155             :         "Unknown", "Router", "Network", "Discard", "Linkstate", "AddressRange",
     156             : };
     157             : 
     158             : const char *const ospf6_dest_type_substr[OSPF6_DEST_TYPE_MAX] = {
     159             :         "?", "R", "N", "D", "L", "A",
     160             : };
     161             : 
     162             : const char *const ospf6_path_type_str[OSPF6_PATH_TYPE_MAX] = {
     163             :         "Unknown", "Intra-Area", "Inter-Area", "External-1", "External-2",
     164             : };
     165             : 
     166             : const char *const ospf6_path_type_substr[OSPF6_PATH_TYPE_MAX] = {
     167             :         "??", "IA", "IE", "E1", "E2",
     168             : };
     169             : 
     170             : const char *ospf6_path_type_json[OSPF6_PATH_TYPE_MAX] = {
     171             :         "UnknownRoute", "IntraArea", "InterArea", "External1", "External2",
     172             : };
     173             : 
     174             : 
     175         536 : struct ospf6_nexthop *ospf6_nexthop_create(void)
     176             : {
     177         536 :         struct ospf6_nexthop *nh;
     178             : 
     179           0 :         nh = XCALLOC(MTYPE_OSPF6_NEXTHOP, sizeof(struct ospf6_nexthop));
     180         536 :         return nh;
     181             : }
     182             : 
     183         536 : void ospf6_nexthop_delete(struct ospf6_nexthop *nh)
     184             : {
     185         536 :         XFREE(MTYPE_OSPF6_NEXTHOP, nh);
     186         536 : }
     187             : 
     188           0 : void ospf6_clear_nexthops(struct list *nh_list)
     189             : {
     190           0 :         struct listnode *node;
     191           0 :         struct ospf6_nexthop *nh;
     192             : 
     193           0 :         if (nh_list) {
     194           0 :                 for (ALL_LIST_ELEMENTS_RO(nh_list, node, nh))
     195           0 :                         ospf6_nexthop_clear(nh);
     196             :         }
     197           0 : }
     198             : 
     199             : static struct ospf6_nexthop *
     200         150 : ospf6_route_find_nexthop(struct list *nh_list, struct ospf6_nexthop *nh_match)
     201             : {
     202         150 :         struct listnode *node;
     203         150 :         struct ospf6_nexthop *nh;
     204             : 
     205         150 :         if (nh_list && nh_match) {
     206         153 :                 for (ALL_LIST_ELEMENTS_RO(nh_list, node, nh)) {
     207          22 :                         if (ospf6_nexthop_is_same(nh, nh_match))
     208          19 :                                 return (nh);
     209             :                 }
     210             :         }
     211             : 
     212             :         return (NULL);
     213             : }
     214             : 
     215         726 : void ospf6_copy_nexthops(struct list *dst, struct list *src)
     216             : {
     217         726 :         struct ospf6_nexthop *nh_new, *nh;
     218         726 :         struct listnode *node;
     219             : 
     220         726 :         if (dst && src) {
     221        1024 :                 for (ALL_LIST_ELEMENTS_RO(src, node, nh)) {
     222         405 :                         if (ospf6_nexthop_is_set(nh)) {
     223         405 :                                 nh_new = ospf6_nexthop_create();
     224         405 :                                 ospf6_nexthop_copy(nh_new, nh);
     225         405 :                                 listnode_add_sort(dst, nh_new);
     226             :                         }
     227             :                 }
     228             :         }
     229         726 : }
     230             : 
     231          97 : void ospf6_merge_nexthops(struct list *dst, struct list *src)
     232             : {
     233          97 :         struct listnode *node;
     234          97 :         struct ospf6_nexthop *nh, *nh_new;
     235             : 
     236          97 :         if (src && dst) {
     237         159 :                 for (ALL_LIST_ELEMENTS_RO(src, node, nh)) {
     238          62 :                         if (!ospf6_route_find_nexthop(dst, nh)) {
     239          43 :                                 nh_new = ospf6_nexthop_create();
     240          43 :                                 ospf6_nexthop_copy(nh_new, nh);
     241          43 :                                 listnode_add_sort(dst, nh_new);
     242             :                         }
     243             :                 }
     244             :         }
     245          97 : }
     246             : 
     247             : /*
     248             :  * If the nexthops are the same return true
     249             :  */
     250         104 : bool ospf6_route_cmp_nexthops(struct ospf6_route *a, struct ospf6_route *b)
     251             : {
     252         104 :         struct listnode *anode, *bnode;
     253         104 :         struct ospf6_nexthop *anh, *bnh;
     254         104 :         bool identical = false;
     255             : 
     256         104 :         if (a && b) {
     257         104 :                 if (listcount(a->nh_list) == listcount(b->nh_list)) {
     258         169 :                         for (ALL_LIST_ELEMENTS_RO(a->nh_list, anode, anh)) {
     259          65 :                                 identical = false;
     260         132 :                                 for (ALL_LIST_ELEMENTS_RO(b->nh_list, bnode,
     261             :                                                           bnh)) {
     262          67 :                                         if (ospf6_nexthop_is_same(anh, bnh))
     263             :                                                 identical = true;
     264             :                                 }
     265             :                                 /* Currnet List A element not found List B
     266             :                                  * Non-Identical lists return */
     267          65 :                                 if (identical == false)
     268             :                                         return false;
     269             :                         }
     270             :                         return true;
     271             :                 } else
     272             :                         return false;
     273             :         }
     274             :         /* One of the routes doesn't exist ? */
     275             :         return false;
     276             : }
     277             : 
     278          55 : int ospf6_num_nexthops(struct list *nh_list)
     279             : {
     280          55 :         return (listcount(nh_list));
     281             : }
     282             : 
     283          88 : void ospf6_add_nexthop(struct list *nh_list, int ifindex, struct in6_addr *addr)
     284             : {
     285          88 :         struct ospf6_nexthop *nh;
     286          88 :         struct ospf6_nexthop nh_match;
     287             : 
     288          88 :         if (nh_list) {
     289          88 :                 if (addr) {
     290          69 :                         if (ifindex)
     291          69 :                                 nh_match.type = NEXTHOP_TYPE_IPV6_IFINDEX;
     292             :                         else
     293           0 :                                 nh_match.type = NEXTHOP_TYPE_IPV6;
     294             : 
     295          69 :                         memcpy(&nh_match.address, addr,
     296             :                                sizeof(struct in6_addr));
     297             :                 } else {
     298          19 :                         nh_match.type = NEXTHOP_TYPE_IFINDEX;
     299             : 
     300          19 :                         memset(&nh_match.address, 0, sizeof(struct in6_addr));
     301             :                 }
     302             : 
     303          88 :                 nh_match.ifindex = ifindex;
     304             : 
     305          88 :                 if (!ospf6_route_find_nexthop(nh_list, &nh_match)) {
     306          88 :                         nh = ospf6_nexthop_create();
     307          88 :                         ospf6_nexthop_copy(nh, &nh_match);
     308          88 :                         listnode_add(nh_list, nh);
     309             :                 }
     310             :         }
     311          88 : }
     312             : 
     313           0 : void ospf6_add_route_nexthop_blackhole(struct ospf6_route *route)
     314             : {
     315           0 :         struct ospf6_nexthop *nh;
     316           0 :         struct ospf6_nexthop nh_match = {};
     317             : 
     318             :         /* List not allocated. */
     319           0 :         if (route->nh_list == NULL)
     320           0 :                 return;
     321             : 
     322             :         /* Entry already exists. */
     323           0 :         nh_match.type = NEXTHOP_TYPE_BLACKHOLE;
     324           0 :         if (ospf6_route_find_nexthop(route->nh_list, &nh_match))
     325             :                 return;
     326             : 
     327           0 :         nh = ospf6_nexthop_create();
     328           0 :         ospf6_nexthop_copy(nh, &nh_match);
     329           0 :         listnode_add(route->nh_list, nh);
     330             : }
     331             : 
     332          44 : void ospf6_route_zebra_copy_nexthops(struct ospf6_route *route,
     333             :                                      struct zapi_nexthop nexthops[],
     334             :                                      int entries, vrf_id_t vrf_id)
     335             : {
     336          44 :         struct ospf6_nexthop *nh;
     337          44 :         struct listnode *node;
     338          44 :         int i;
     339             : 
     340          44 :         if (route) {
     341          44 :                 i = 0;
     342         133 :                 for (ALL_LIST_ELEMENTS_RO(route->nh_list, node, nh)) {
     343          45 :                         if (IS_OSPF6_DEBUG_ZEBRA(SEND)) {
     344           0 :                                 zlog_debug("  nexthop: %s %pI6%%%.*s(%d)",
     345             :                                            nexthop_type_to_str(nh->type),
     346             :                                            &nh->address, IFNAMSIZ,
     347             :                                            ifindex2ifname(nh->ifindex, vrf_id),
     348             :                                            nh->ifindex);
     349             :                         }
     350             : 
     351          45 :                         if (i >= entries)
     352             :                                 return;
     353             : 
     354          45 :                         nexthops[i].vrf_id = vrf_id;
     355          45 :                         nexthops[i].type = nh->type;
     356             : 
     357          45 :                         switch (nh->type) {
     358             :                         case NEXTHOP_TYPE_BLACKHOLE:
     359             :                                 /* NOTHING */
     360             :                                 break;
     361             : 
     362           3 :                         case NEXTHOP_TYPE_IFINDEX:
     363           3 :                                 nexthops[i].ifindex = nh->ifindex;
     364           3 :                                 break;
     365             : 
     366           0 :                         case NEXTHOP_TYPE_IPV4_IFINDEX:
     367             :                         case NEXTHOP_TYPE_IPV4:
     368             :                                 /*
     369             :                                  * OSPFv3 with IPv4 routes is not supported
     370             :                                  * yet. Skip this next hop.
     371             :                                  */
     372           0 :                                 if (IS_OSPF6_DEBUG_ZEBRA(SEND))
     373           0 :                                         zlog_debug("  Skipping IPv4 next hop");
     374           0 :                                 continue;
     375             : 
     376          42 :                         case NEXTHOP_TYPE_IPV6_IFINDEX:
     377          42 :                                 nexthops[i].ifindex = nh->ifindex;
     378             :                                 /* FALLTHROUGH */
     379          42 :                         case NEXTHOP_TYPE_IPV6:
     380          42 :                                 nexthops[i].gate.ipv6 = nh->address;
     381          42 :                                 break;
     382             :                         }
     383          45 :                         i++;
     384             :                 }
     385             :         }
     386             : }
     387             : 
     388           0 : int ospf6_route_get_first_nh_index(struct ospf6_route *route)
     389             : {
     390           0 :         struct ospf6_nexthop *nh;
     391             : 
     392           0 :         if (route) {
     393           0 :                 nh = listnode_head(route->nh_list);
     394           0 :                 if (nh)
     395           0 :                         return nh->ifindex;
     396             :         }
     397             : 
     398             :         return -1;
     399             : }
     400             : 
     401           5 : int ospf6_nexthop_cmp(struct ospf6_nexthop *a, struct ospf6_nexthop *b)
     402             : {
     403           5 :         if (a->ifindex < b->ifindex)
     404             :                 return -1;
     405           5 :         else if (a->ifindex > b->ifindex)
     406             :                 return 1;
     407             :         else
     408           5 :                 return memcmp(&a->address, &b->address,
     409             :                               sizeof(struct in6_addr));
     410             : }
     411             : 
     412           3 : static int ospf6_path_cmp(struct ospf6_path *a, struct ospf6_path *b)
     413             : {
     414           3 :         if (a->origin.adv_router < b->origin.adv_router)
     415             :                 return -1;
     416           3 :         else if (a->origin.adv_router > b->origin.adv_router)
     417             :                 return 1;
     418             :         else
     419           0 :                 return 0;
     420             : }
     421             : 
     422         217 : void ospf6_path_free(struct ospf6_path *op)
     423             : {
     424         217 :         if (op->nh_list)
     425         217 :                 list_delete(&op->nh_list);
     426         217 :         XFREE(MTYPE_OSPF6_PATH, op);
     427         217 : }
     428             : 
     429         217 : struct ospf6_path *ospf6_path_dup(struct ospf6_path *path)
     430             : {
     431         217 :         struct ospf6_path *new;
     432             : 
     433         217 :         new = XCALLOC(MTYPE_OSPF6_PATH, sizeof(struct ospf6_path));
     434         217 :         memcpy(new, path, sizeof(struct ospf6_path));
     435         217 :         new->nh_list = list_new();
     436         217 :         new->nh_list->cmp = (int (*)(void *, void *))ospf6_nexthop_cmp;
     437         217 :         new->nh_list->del = (void (*)(void *))ospf6_nexthop_delete;
     438             : 
     439         217 :         return new;
     440             : }
     441             : 
     442         122 : void ospf6_copy_paths(struct list *dst, struct list *src)
     443             : {
     444         122 :         struct ospf6_path *path_new, *path;
     445         122 :         struct listnode *node;
     446             : 
     447         122 :         if (dst && src) {
     448         231 :                 for (ALL_LIST_ELEMENTS_RO(src, node, path)) {
     449         109 :                         path_new = ospf6_path_dup(path);
     450         109 :                         ospf6_copy_nexthops(path_new->nh_list, path->nh_list);
     451         109 :                         listnode_add_sort(dst, path_new);
     452             :                 }
     453             :         }
     454         122 : }
     455             : 
     456         353 : struct ospf6_route *ospf6_route_create(struct ospf6 *ospf6)
     457             : {
     458         353 :         struct ospf6_route *route;
     459             : 
     460         353 :         route = XCALLOC(MTYPE_OSPF6_ROUTE, sizeof(struct ospf6_route));
     461         353 :         route->nh_list = list_new();
     462         353 :         route->nh_list->cmp = (int (*)(void *, void *))ospf6_nexthop_cmp;
     463         353 :         route->nh_list->del = (void (*)(void *))ospf6_nexthop_delete;
     464         353 :         route->paths = list_new();
     465         353 :         route->paths->cmp = (int (*)(void *, void *))ospf6_path_cmp;
     466         353 :         route->paths->del = (void (*)(void *))ospf6_path_free;
     467         353 :         route->ospf6 = ospf6;
     468             : 
     469         353 :         return route;
     470             : }
     471             : 
     472         353 : void ospf6_route_delete(struct ospf6_route *route)
     473             : {
     474         353 :         if (route) {
     475         353 :                 if (route->nh_list)
     476         353 :                         list_delete(&route->nh_list);
     477         353 :                 if (route->paths)
     478         353 :                         list_delete(&route->paths);
     479         353 :                 XFREE(MTYPE_OSPF6_ROUTE, route);
     480             :         }
     481         353 : }
     482             : 
     483         122 : struct ospf6_route *ospf6_route_copy(struct ospf6_route *route)
     484             : {
     485         122 :         struct ospf6_route *new;
     486             : 
     487         122 :         new = ospf6_route_create(route->ospf6);
     488         122 :         new->type = route->type;
     489         122 :         memcpy(&new->prefix, &route->prefix, sizeof(struct prefix));
     490         122 :         new->prefix_options = route->prefix_options;
     491         122 :         new->installed = route->installed;
     492         122 :         new->changed = route->changed;
     493         122 :         new->flag = route->flag;
     494         122 :         new->route_option = route->route_option;
     495         122 :         new->linkstate_id = route->linkstate_id;
     496         122 :         new->path = route->path;
     497         122 :         ospf6_copy_nexthops(new->nh_list, route->nh_list);
     498         122 :         ospf6_copy_paths(new->paths, route->paths);
     499         122 :         new->rnode = NULL;
     500         122 :         new->prev = NULL;
     501         122 :         new->next = NULL;
     502         122 :         new->table = NULL;
     503         122 :         new->lock = 0;
     504         122 :         return new;
     505             : }
     506             : 
     507         691 : void ospf6_route_lock(struct ospf6_route *route)
     508             : {
     509         691 :         route->lock++;
     510         292 : }
     511             : 
     512         691 : void ospf6_route_unlock(struct ospf6_route *route)
     513             : {
     514         691 :         assert(route->lock > 0);
     515         691 :         route->lock--;
     516         691 :         if (route->lock == 0) {
     517             :                 /* Can't detach from the table until here
     518             :                    because ospf6_route_next () will use
     519             :                    the 'route->table' pointer for logging */
     520         197 :                 route->table = NULL;
     521         197 :                 ospf6_route_delete(route);
     522             :         }
     523         691 : }
     524             : 
     525             : /* Route compare function. If ra is more preferred, it returns
     526             :    less than 0. If rb is more preferred returns greater than 0.
     527             :    Otherwise (neither one is preferred), returns 0 */
     528           8 : int ospf6_route_cmp(struct ospf6_route *ra, struct ospf6_route *rb)
     529             : {
     530           8 :         assert(ospf6_route_is_same(ra, rb));
     531           8 :         assert(OSPF6_PATH_TYPE_NONE < ra->path.type
     532             :                && ra->path.type < OSPF6_PATH_TYPE_MAX);
     533           8 :         assert(OSPF6_PATH_TYPE_NONE < rb->path.type
     534             :                && rb->path.type < OSPF6_PATH_TYPE_MAX);
     535             : 
     536           8 :         if (ra->type != rb->type)
     537           0 :                 return (ra->type - rb->type);
     538             : 
     539           8 :         if (ra->path.type != rb->path.type)
     540           0 :                 return (ra->path.type - rb->path.type);
     541             : 
     542           8 :         if (ra->path.type == OSPF6_PATH_TYPE_EXTERNAL2) {
     543           0 :                 if (ra->path.u.cost_e2 != rb->path.u.cost_e2)
     544           0 :                         return (ra->path.u.cost_e2 - rb->path.u.cost_e2);
     545             :                 else
     546           0 :                         return (ra->path.cost - rb->path.cost);
     547             :         } else {
     548           8 :                 if (ra->path.cost != rb->path.cost)
     549           8 :                         return (ra->path.cost - rb->path.cost);
     550             :         }
     551             : 
     552           0 :         if (ra->path.area_id != rb->path.area_id)
     553           0 :                 return (ntohl(ra->path.area_id) - ntohl(rb->path.area_id));
     554             : 
     555           0 :         if ((ra->prefix_options & OSPF6_PREFIX_OPTION_LA)
     556           0 :             != (rb->prefix_options & OSPF6_PREFIX_OPTION_LA))
     557           0 :                 return ra->prefix_options & OSPF6_PREFIX_OPTION_LA ? -1 : 1;
     558             : 
     559             :         return 0;
     560             : }
     561             : 
     562         649 : struct ospf6_route *ospf6_route_lookup(struct prefix *prefix,
     563             :                                        struct ospf6_route_table *table)
     564             : {
     565         649 :         struct route_node *node;
     566         649 :         struct ospf6_route *route;
     567             : 
     568         649 :         node = route_node_lookup(table->table, prefix);
     569         649 :         if (node == NULL)
     570             :                 return NULL;
     571             : 
     572         423 :         route = (struct ospf6_route *)node->info;
     573         423 :         route_unlock_node(node); /* to free the lookup lock */
     574         423 :         return route;
     575             : }
     576             : 
     577             : struct ospf6_route *
     578          27 : ospf6_route_lookup_identical(struct ospf6_route *route,
     579             :                              struct ospf6_route_table *table)
     580             : {
     581          27 :         struct ospf6_route *target;
     582             : 
     583          29 :         for (target = ospf6_route_lookup(&route->prefix, table); target;
     584           2 :              target = target->next) {
     585          29 :                 if (ospf6_route_is_identical(target, route))
     586          27 :                         return target;
     587             :         }
     588             :         return NULL;
     589             : }
     590             : 
     591             : struct ospf6_route *
     592          57 : ospf6_route_lookup_bestmatch(struct prefix *prefix,
     593             :                              struct ospf6_route_table *table)
     594             : {
     595          57 :         struct route_node *node;
     596          57 :         struct ospf6_route *route;
     597             : 
     598          57 :         node = route_node_match(table->table, prefix);
     599          57 :         if (node == NULL)
     600             :                 return NULL;
     601           0 :         route_unlock_node(node);
     602             : 
     603           0 :         route = (struct ospf6_route *)node->info;
     604           0 :         return route;
     605             : }
     606             : 
     607             : #ifdef DEBUG
     608             : static void route_table_assert(struct ospf6_route_table *table)
     609             : {
     610             :         struct ospf6_route *prev, *r, *next;
     611             :         unsigned int link_error = 0, num = 0;
     612             : 
     613             :         r = ospf6_route_head(table);
     614             :         prev = NULL;
     615             :         while (r) {
     616             :                 if (r->prev != prev)
     617             :                         link_error++;
     618             : 
     619             :                 next = ospf6_route_next(r);
     620             : 
     621             :                 if (r->next != next)
     622             :                         link_error++;
     623             : 
     624             :                 prev = r;
     625             :                 r = next;
     626             :         }
     627             : 
     628             :         for (r = ospf6_route_head(table); r; r = ospf6_route_next(r))
     629             :                 num++;
     630             : 
     631             :         if (link_error == 0 && num == table->count)
     632             :                 return;
     633             : 
     634             :         flog_err(EC_LIB_DEVELOPMENT, "PANIC !!");
     635             :         flog_err(EC_LIB_DEVELOPMENT,
     636             :                  "Something has gone wrong with ospf6_route_table[%p]", table);
     637             :         zlog_debug("table count = %d, real number = %d", table->count, num);
     638             :         zlog_debug("DUMP START");
     639             :         for (r = ospf6_route_head(table); r; r = ospf6_route_next(r))
     640             :                 zlog_info("%p<-[%p]->%p : %pFX", r->prev, r, r->next,
     641             :                           &r->prefix);
     642             :         zlog_debug("DUMP END");
     643             : 
     644             :         assert(link_error == 0 && num == table->count);
     645             : }
     646             : #define ospf6_route_table_assert(t) (route_table_assert (t))
     647             : #else
     648             : #define ospf6_route_table_assert(t) ((void) 0)
     649             : #endif /*DEBUG*/
     650             : 
     651         274 : struct ospf6_route *ospf6_route_add(struct ospf6_route *route,
     652             :                                     struct ospf6_route_table *table)
     653             : {
     654         274 :         struct route_node *node, *nextnode, *prevnode;
     655         274 :         struct ospf6_route *current = NULL;
     656         274 :         struct ospf6_route *prev = NULL, *old = NULL, *next = NULL;
     657         274 :         char buf[PREFIX2STR_BUFFER];
     658         274 :         struct timeval now;
     659             : 
     660         274 :         assert(route->rnode == NULL);
     661         274 :         assert(route->lock == 0);
     662         274 :         assert(route->next == NULL);
     663         274 :         assert(route->prev == NULL);
     664             : 
     665         274 :         if (route->type == OSPF6_DEST_TYPE_LINKSTATE)
     666         105 :                 ospf6_linkstate_prefix2str(&route->prefix, buf, sizeof(buf));
     667         169 :         else if (route->type == OSPF6_DEST_TYPE_ROUTER)
     668           0 :                 inet_ntop(AF_INET, &ADV_ROUTER_IN_PREFIX(&route->prefix), buf,
     669             :                           sizeof(buf));
     670             :         else
     671         169 :                 prefix2str(&route->prefix, buf, sizeof(buf));
     672             : 
     673         274 :         if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     674           0 :                 zlog_debug("%s %p: route add %p: %s paths %u nh %u",
     675             :                            ospf6_route_table_name(table), (void *)table,
     676             :                            (void *)route, buf, listcount(route->paths),
     677             :                            listcount(route->nh_list));
     678         274 :         else if (IS_OSPF6_DEBUG_ROUTE(TABLE))
     679           0 :                 zlog_debug("%s: route add: %s", ospf6_route_table_name(table),
     680             :                            buf);
     681             : 
     682         274 :         monotime(&now);
     683             : 
     684         274 :         node = route_node_get(table->table, &route->prefix);
     685         274 :         route->rnode = node;
     686             : 
     687             :         /* find place to insert */
     688         278 :         for (current = node->info; current; current = current->next) {
     689          91 :                 if (!ospf6_route_is_same(current, route))
     690             :                         next = current;
     691          89 :                 else if (current->type != route->type)
     692             :                         prev = current;
     693          89 :                 else if (ospf6_route_is_same_origin(current, route))
     694             :                         old = current;
     695           8 :                 else if (ospf6_route_cmp(current, route) > 0)
     696             :                         next = current;
     697             :                 else
     698           4 :                         prev = current;
     699             : 
     700          91 :                 if (old || next)
     701             :                         break;
     702             :         }
     703             : 
     704         274 :         if (old) {
     705             :                 /* if route does not actually change, return unchanged */
     706          81 :                 if (ospf6_route_is_identical(old, route)) {
     707          77 :                         if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     708           0 :                                 zlog_debug(
     709             :                                         "%s %p: route add %p: needless update of %p old cost %u",
     710             :                                         ospf6_route_table_name(table),
     711             :                                         (void *)table, (void *)route,
     712             :                                         (void *)old, old->path.cost);
     713          77 :                         else if (IS_OSPF6_DEBUG_ROUTE(TABLE))
     714           0 :                                 zlog_debug("%s: route add: needless update",
     715             :                                            ospf6_route_table_name(table));
     716             : 
     717          77 :                         ospf6_route_delete(route);
     718          77 :                         SET_FLAG(old->flag, OSPF6_ROUTE_ADD);
     719          77 :                         ospf6_route_table_assert(table);
     720             : 
     721             :                         /* to free the lookup lock */
     722          77 :                         route_unlock_node(node);
     723          77 :                         return old;
     724             :                 }
     725             : 
     726           4 :                 if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     727           0 :                         zlog_debug(
     728             :                                 "%s %p: route add %p cost %u paths %u nh %u: update of %p cost %u paths %u nh %u",
     729             :                                 ospf6_route_table_name(table), (void *)table,
     730             :                                 (void *)route, route->path.cost,
     731             :                                 listcount(route->paths),
     732             :                                 listcount(route->nh_list), (void *)old,
     733             :                                 old->path.cost, listcount(old->paths),
     734             :                                 listcount(old->nh_list));
     735           4 :                 else if (IS_OSPF6_DEBUG_ROUTE(TABLE))
     736           0 :                         zlog_debug("%s: route add: update",
     737             :                                    ospf6_route_table_name(table));
     738             : 
     739             :                 /* replace old one if exists */
     740           4 :                 if (node->info == old) {
     741           4 :                         node->info = route;
     742           4 :                         SET_FLAG(route->flag, OSPF6_ROUTE_BEST);
     743           4 :                         if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     744           0 :                                 zlog_debug("%s:  replace old route %s",
     745             :                                            __func__, buf);
     746             :                 }
     747             : 
     748           4 :                 if (old->prev)
     749           2 :                         old->prev->next = route;
     750           4 :                 route->prev = old->prev;
     751           4 :                 if (old->next)
     752           2 :                         old->next->prev = route;
     753           4 :                 route->next = old->next;
     754             : 
     755           4 :                 route->installed = old->installed;
     756           4 :                 route->changed = now;
     757           4 :                 assert(route->table == NULL);
     758           4 :                 route->table = table;
     759             : 
     760           4 :                 ospf6_route_unlock(old); /* will be deleted later */
     761           4 :                 ospf6_route_lock(route);
     762             : 
     763           4 :                 SET_FLAG(route->flag, OSPF6_ROUTE_CHANGE);
     764           4 :                 ospf6_route_table_assert(table);
     765             : 
     766           4 :                 if (table->hook_add)
     767           3 :                         (*table->hook_add)(route);
     768             : 
     769           4 :                 return route;
     770             :         }
     771             : 
     772             :         /* insert if previous or next node found */
     773         193 :         if (prev || next) {
     774           6 :                 if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     775           0 :                         zlog_debug(
     776             :                                 "%s %p: route add %p cost %u: another path: prev %p, next %p node ref %u",
     777             :                                 ospf6_route_table_name(table), (void *)table,
     778             :                                 (void *)route, route->path.cost, (void *)prev,
     779             :                                 (void *)next, route_node_get_lock_count(node));
     780           6 :                 else if (IS_OSPF6_DEBUG_ROUTE(TABLE))
     781           0 :                         zlog_debug("%s: route add cost %u: another path found",
     782             :                                    ospf6_route_table_name(table),
     783             :                                    route->path.cost);
     784             : 
     785           6 :                 if (prev == NULL)
     786           4 :                         prev = next->prev;
     787           6 :                 if (next == NULL)
     788           0 :                         next = prev->next;
     789             : 
     790           6 :                 if (prev)
     791           2 :                         prev->next = route;
     792           6 :                 route->prev = prev;
     793           6 :                 if (next)
     794           6 :                         next->prev = route;
     795           6 :                 route->next = next;
     796             : 
     797           6 :                 if (node->info == next) {
     798           4 :                         assert(next && next->rnode == node);
     799           4 :                         node->info = route;
     800           4 :                         UNSET_FLAG(next->flag, OSPF6_ROUTE_BEST);
     801           4 :                         SET_FLAG(route->flag, OSPF6_ROUTE_BEST);
     802           4 :                         if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     803           0 :                                 zlog_debug(
     804             :                                         "%s %p: route add %p cost %u: replacing previous best: %p cost %u",
     805             :                                         ospf6_route_table_name(table),
     806             :                                         (void *)table, (void *)route,
     807             :                                         route->path.cost, (void *)next,
     808             :                                         next->path.cost);
     809             :                 }
     810             : 
     811           6 :                 route->installed = now;
     812           6 :                 route->changed = now;
     813           6 :                 assert(route->table == NULL);
     814           6 :                 route->table = table;
     815             : 
     816           6 :                 ospf6_route_lock(route);
     817           6 :                 table->count++;
     818           6 :                 ospf6_route_table_assert(table);
     819             : 
     820           6 :                 SET_FLAG(route->flag, OSPF6_ROUTE_ADD);
     821           6 :                 if (table->hook_add)
     822           6 :                         (*table->hook_add)(route);
     823             : 
     824           6 :                 return route;
     825             :         }
     826             : 
     827             :         /* Else, this is the brand new route regarding to the prefix */
     828         187 :         if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     829           0 :                 zlog_debug("%s %p: route add %p %s cost %u: brand new route",
     830             :                            ospf6_route_table_name(table), (void *)table,
     831             :                            (void *)route, buf, route->path.cost);
     832         187 :         else if (IS_OSPF6_DEBUG_ROUTE(TABLE))
     833           0 :                 zlog_debug("%s: route add: brand new route",
     834             :                            ospf6_route_table_name(table));
     835             : 
     836         187 :         assert(node->info == NULL);
     837         187 :         node->info = route;
     838         187 :         SET_FLAG(route->flag, OSPF6_ROUTE_BEST);
     839         187 :         ospf6_route_lock(route);
     840         187 :         route->installed = now;
     841         187 :         route->changed = now;
     842         187 :         assert(route->table == NULL);
     843         187 :         route->table = table;
     844             : 
     845             :         /* lookup real existing next route */
     846         187 :         nextnode = node;
     847         187 :         route_lock_node(nextnode);
     848         214 :         do {
     849         214 :                 nextnode = route_next(nextnode);
     850         214 :         } while (nextnode && nextnode->info == NULL);
     851             : 
     852             :         /* set next link */
     853         187 :         if (nextnode == NULL)
     854         128 :                 route->next = NULL;
     855             :         else {
     856          59 :                 route_unlock_node(nextnode);
     857             : 
     858          59 :                 next = nextnode->info;
     859          59 :                 route->next = next;
     860          59 :                 next->prev = route;
     861             :         }
     862             : 
     863             :         /* lookup real existing prev route */
     864         187 :         prevnode = node;
     865         187 :         route_lock_node(prevnode);
     866         256 :         do {
     867         256 :                 prevnode = route_prev(prevnode);
     868         256 :         } while (prevnode && prevnode->info == NULL);
     869             : 
     870             :         /* set prev link */
     871         187 :         if (prevnode == NULL)
     872         115 :                 route->prev = NULL;
     873             :         else {
     874          72 :                 route_unlock_node(prevnode);
     875             : 
     876          72 :                 prev = prevnode->info;
     877          72 :                 while (prev->next && ospf6_route_is_same(prev, prev->next))
     878           0 :                         prev = prev->next;
     879          72 :                 route->prev = prev;
     880          72 :                 prev->next = route;
     881             :         }
     882             : 
     883         187 :         table->count++;
     884         187 :         ospf6_route_table_assert(table);
     885             : 
     886         187 :         SET_FLAG(route->flag, OSPF6_ROUTE_ADD);
     887         187 :         if (table->hook_add)
     888          37 :                 (*table->hook_add)(route);
     889             : 
     890             :         return route;
     891             : }
     892             : 
     893         193 : void ospf6_route_remove(struct ospf6_route *route,
     894             :                         struct ospf6_route_table *table)
     895             : {
     896         193 :         struct route_node *node;
     897         193 :         struct ospf6_route *current;
     898         193 :         char buf[PREFIX2STR_BUFFER];
     899             : 
     900         193 :         if (route->type == OSPF6_DEST_TYPE_LINKSTATE)
     901         105 :                 ospf6_linkstate_prefix2str(&route->prefix, buf, sizeof(buf));
     902          88 :         else if (route->type == OSPF6_DEST_TYPE_ROUTER)
     903           0 :                 inet_ntop(AF_INET, &ADV_ROUTER_IN_PREFIX(&route->prefix), buf,
     904             :                           sizeof(buf));
     905             :         else
     906          88 :                 prefix2str(&route->prefix, buf, sizeof(buf));
     907             : 
     908         193 :         if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     909           0 :                 zlog_debug("%s %p: route remove %p: %s cost %u refcount %u",
     910             :                            ospf6_route_table_name(table), (void *)table,
     911             :                            (void *)route, buf, route->path.cost, route->lock);
     912         193 :         else if (IS_OSPF6_DEBUG_ROUTE(TABLE))
     913           0 :                 zlog_debug("%s: route remove: %s",
     914             :                            ospf6_route_table_name(table), buf);
     915             : 
     916         193 :         node = route_node_lookup(table->table, &route->prefix);
     917         193 :         assert(node);
     918             : 
     919             :         /* find the route to remove, making sure that the route pointer
     920             :            is from the route table. */
     921         193 :         current = node->info;
     922         197 :         while (current && current != route)
     923           4 :                 current = current->next;
     924             : 
     925         193 :         assert(current == route);
     926             : 
     927             :         /* adjust doubly linked list */
     928         193 :         if (route->prev)
     929          28 :                 route->prev->next = route->next;
     930         193 :         if (route->next)
     931         110 :                 route->next->prev = route->prev;
     932             : 
     933         193 :         if (node->info == route) {
     934         189 :                 if (route->next && route->next->rnode == node) {
     935           2 :                         node->info = route->next;
     936           2 :                         SET_FLAG(route->next->flag, OSPF6_ROUTE_BEST);
     937           2 :                         if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     938           0 :                                 zlog_debug("%s: remove route %s", __func__,
     939             :                                            buf);
     940             :                 } else {
     941         187 :                         node->info = NULL;
     942         187 :                         route->rnode = NULL;
     943         187 :                         route_unlock_node(node); /* to free the original lock */
     944             :                 }
     945             :         }
     946             : 
     947         193 :         route_unlock_node(node); /* to free the lookup lock */
     948         193 :         table->count--;
     949         193 :         ospf6_route_table_assert(table);
     950             : 
     951         193 :         SET_FLAG(route->flag, OSPF6_ROUTE_WAS_REMOVED);
     952             : 
     953             :         /* Note hook_remove may call ospf6_route_remove */
     954         193 :         if (table->hook_remove)
     955          54 :                 (*table->hook_remove)(route);
     956             : 
     957         193 :         ospf6_route_unlock(route);
     958         193 : }
     959             : 
     960         396 : struct ospf6_route *ospf6_route_head(struct ospf6_route_table *table)
     961             : {
     962         396 :         struct route_node *node;
     963         396 :         struct ospf6_route *route;
     964             : 
     965         396 :         node = route_top(table->table);
     966         396 :         if (node == NULL)
     967             :                 return NULL;
     968             : 
     969             :         /* skip to the real existing entry */
     970         372 :         while (node && node->info == NULL)
     971         160 :                 node = route_next(node);
     972         212 :         if (node == NULL)
     973             :                 return NULL;
     974             : 
     975         198 :         route_unlock_node(node);
     976         198 :         assert(node->info);
     977             : 
     978         198 :         route = (struct ospf6_route *)node->info;
     979         198 :         assert(route->prev == NULL);
     980         198 :         assert(route->table == table);
     981         198 :         ospf6_route_lock(route);
     982             : 
     983         198 :         if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     984           0 :                 zlog_info("%s %p: route head: %p<-[%p]->%p",
     985             :                           ospf6_route_table_name(table), (void *)table,
     986             :                           (void *)route->prev, (void *)route,
     987             :                           (void *)route->next);
     988             : 
     989             :         return route;
     990             : }
     991             : 
     992         441 : struct ospf6_route *ospf6_route_next(struct ospf6_route *route)
     993             : {
     994         441 :         struct ospf6_route *next = route->next;
     995             : 
     996         441 :         if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
     997           0 :                 zlog_info("%s %p: route next: %p<-[%p]->%p , route ref count %u",
     998             :                           ospf6_route_table_name(route->table),
     999             :                           (void *)route->table, (void *)route->prev,
    1000             :                           (void *)route, (void *)route->next,
    1001             :                           route->lock);
    1002             : 
    1003         441 :         ospf6_route_unlock(route);
    1004         441 :         if (next)
    1005         262 :                 ospf6_route_lock(next);
    1006             : 
    1007         441 :         return next;
    1008             : }
    1009             : 
    1010          30 : struct ospf6_route *ospf6_route_best_next(struct ospf6_route *route)
    1011             : {
    1012          30 :         struct route_node *rnode;
    1013          30 :         struct ospf6_route *next;
    1014             : 
    1015          30 :         ospf6_route_unlock(route);
    1016             : 
    1017          30 :         rnode = route->rnode;
    1018          30 :         route_lock_node(rnode);
    1019          30 :         rnode = route_next(rnode);
    1020          30 :         while (rnode && rnode->info == NULL)
    1021           0 :                 rnode = route_next(rnode);
    1022          30 :         if (rnode == NULL)
    1023             :                 return NULL;
    1024           4 :         route_unlock_node(rnode);
    1025             : 
    1026           4 :         assert(rnode->info);
    1027           4 :         next = (struct ospf6_route *)rnode->info;
    1028           4 :         ospf6_route_lock(next);
    1029           4 :         return next;
    1030             : }
    1031             : 
    1032           0 : struct ospf6_route *ospf6_route_match_head(struct prefix *prefix,
    1033             :                                            struct ospf6_route_table *table)
    1034             : {
    1035           0 :         struct route_node *node;
    1036           0 :         struct ospf6_route *route;
    1037             : 
    1038             :         /* Walk down tree. */
    1039           0 :         node = table->table->top;
    1040           0 :         while (node && node->p.prefixlen < prefix->prefixlen
    1041           0 :                && prefix_match(&node->p, prefix))
    1042           0 :                 node = node->link[prefix_bit(&prefix->u.prefix,
    1043           0 :                                              node->p.prefixlen)];
    1044             : 
    1045           0 :         if (node)
    1046           0 :                 route_lock_node(node);
    1047           0 :         while (node && node->info == NULL)
    1048           0 :                 node = route_next(node);
    1049           0 :         if (node == NULL)
    1050             :                 return NULL;
    1051           0 :         route_unlock_node(node);
    1052             : 
    1053           0 :         if (!prefix_match(prefix, &node->p))
    1054             :                 return NULL;
    1055             : 
    1056           0 :         route = node->info;
    1057           0 :         ospf6_route_lock(route);
    1058           0 :         return route;
    1059             : }
    1060             : 
    1061           0 : struct ospf6_route *ospf6_route_match_next(struct prefix *prefix,
    1062             :                                            struct ospf6_route *route)
    1063             : {
    1064           0 :         struct ospf6_route *next;
    1065             : 
    1066           0 :         next = ospf6_route_next(route);
    1067           0 :         if (next && !prefix_match(prefix, &next->prefix)) {
    1068           0 :                 ospf6_route_unlock(next);
    1069           0 :                 next = NULL;
    1070             :         }
    1071             : 
    1072           0 :         return next;
    1073             : }
    1074             : 
    1075         112 : void ospf6_route_remove_all(struct ospf6_route_table *table)
    1076             : {
    1077         112 :         struct ospf6_route *route;
    1078         146 :         for (route = ospf6_route_head(table); route;
    1079          34 :              route = ospf6_route_next(route))
    1080          34 :                 ospf6_route_remove(route, table);
    1081         112 : }
    1082             : 
    1083          67 : struct ospf6_route_table *ospf6_route_table_create(int s, int t)
    1084             : {
    1085          67 :         struct ospf6_route_table *new;
    1086          67 :         new = XCALLOC(MTYPE_OSPF6_ROUTE_TABLE,
    1087             :                       sizeof(struct ospf6_route_table));
    1088          67 :         new->table = route_table_init();
    1089          67 :         new->scope_type = s;
    1090          67 :         new->table_type = t;
    1091          67 :         return new;
    1092             : }
    1093             : 
    1094          67 : void ospf6_route_table_delete(struct ospf6_route_table *table)
    1095             : {
    1096          67 :         ospf6_route_remove_all(table);
    1097          67 :         route_table_finish(table->table);
    1098          67 :         XFREE(MTYPE_OSPF6_ROUTE_TABLE, table);
    1099          67 : }
    1100             : 
    1101             : 
    1102             : /* VTY commands */
    1103           0 : void ospf6_route_show(struct vty *vty, struct ospf6_route *route,
    1104             :                       json_object *json_routes, bool use_json)
    1105             : {
    1106           0 :         int i;
    1107           0 :         char destination[PREFIX2STR_BUFFER], nexthop[64];
    1108           0 :         char duration[64];
    1109           0 :         struct timeval now, res;
    1110           0 :         struct listnode *node;
    1111           0 :         struct ospf6_nexthop *nh;
    1112           0 :         json_object *json_route = NULL;
    1113           0 :         json_object *json_array_next_hops = NULL;
    1114           0 :         json_object *json_next_hop;
    1115           0 :         vrf_id_t vrf_id = route->ospf6->vrf_id;
    1116             : 
    1117           0 :         monotime(&now);
    1118           0 :         timersub(&now, &route->changed, &res);
    1119           0 :         timerstring(&res, duration, sizeof(duration));
    1120             : 
    1121             :         /* destination */
    1122           0 :         if (route->type == OSPF6_DEST_TYPE_LINKSTATE)
    1123           0 :                 ospf6_linkstate_prefix2str(&route->prefix, destination,
    1124             :                                            sizeof(destination));
    1125           0 :         else if (route->type == OSPF6_DEST_TYPE_ROUTER)
    1126           0 :                 inet_ntop(route->prefix.family, &route->prefix.u.prefix,
    1127             :                           destination, sizeof(destination));
    1128             :         else
    1129           0 :                 prefix2str(&route->prefix, destination, sizeof(destination));
    1130             : 
    1131           0 :         if (use_json) {
    1132           0 :                 json_route = json_object_new_object();
    1133           0 :                 json_object_boolean_add(json_route, "isBestRoute",
    1134           0 :                                         ospf6_route_is_best(route));
    1135           0 :                 json_object_string_add(json_route, "destinationType",
    1136           0 :                                        OSPF6_DEST_TYPE_SUBSTR(route->type));
    1137           0 :                 json_object_string_add(
    1138             :                         json_route, "pathType",
    1139           0 :                         OSPF6_PATH_TYPE_SUBSTR(route->path.type));
    1140           0 :                 json_object_string_add(json_route, "duration", duration);
    1141             :         }
    1142             : 
    1143             :         /* Nexthops */
    1144           0 :         if (use_json)
    1145           0 :                 json_array_next_hops = json_object_new_array();
    1146             :         else
    1147             :                 i = 0;
    1148           0 :         for (ALL_LIST_ELEMENTS_RO(route->nh_list, node, nh)) {
    1149             :                 /* nexthop */
    1150           0 :                 inet_ntop(AF_INET6, &nh->address, nexthop, sizeof(nexthop));
    1151           0 :                 if (use_json) {
    1152           0 :                         json_next_hop = json_object_new_object();
    1153           0 :                         json_object_string_add(json_next_hop, "nextHop",
    1154             :                                                nexthop);
    1155           0 :                         json_object_string_add(
    1156             :                                 json_next_hop, "interfaceName",
    1157             :                                 ifindex2ifname(nh->ifindex, vrf_id));
    1158           0 :                         json_object_array_add(json_array_next_hops,
    1159             :                                               json_next_hop);
    1160             :                 } else {
    1161           0 :                         if (!i) {
    1162           0 :                                 vty_out(vty, "%c%1s %2s %-30s %-25s %6.*s %s\n",
    1163           0 :                                         (ospf6_route_is_best(route) ? '*'
    1164             :                                                                     : ' '),
    1165           0 :                                         OSPF6_DEST_TYPE_SUBSTR(route->type),
    1166           0 :                                         OSPF6_PATH_TYPE_SUBSTR(
    1167             :                                                 route->path.type),
    1168             :                                         destination, nexthop, IFNAMSIZ,
    1169             :                                         ifindex2ifname(nh->ifindex, vrf_id),
    1170             :                                         duration);
    1171           0 :                                 i++;
    1172             :                         } else
    1173           0 :                                 vty_out(vty, "%c%1s %2s %-30s %-25s %6.*s %s\n",
    1174             :                                         ' ', "", "", "", nexthop, IFNAMSIZ,
    1175             :                                         ifindex2ifname(nh->ifindex, vrf_id),
    1176             :                                         "");
    1177             :                 }
    1178             :         }
    1179           0 :         if (use_json) {
    1180           0 :                 json_object_object_add(json_route, "nextHops",
    1181             :                                        json_array_next_hops);
    1182           0 :                 json_object_object_add(json_routes, destination, json_route);
    1183             :         }
    1184           0 : }
    1185             : 
    1186           0 : void ospf6_route_show_detail(struct vty *vty, struct ospf6_route *route,
    1187             :                              json_object *json_routes, bool use_json)
    1188             : {
    1189           0 :         char destination[PREFIX2STR_BUFFER], nexthop[64];
    1190           0 :         char area_id[16], id[16], adv_router[16], capa[16], options[32];
    1191           0 :         char pfx_options[16];
    1192           0 :         struct timeval now, res;
    1193           0 :         char duration[64];
    1194           0 :         struct listnode *node;
    1195           0 :         struct ospf6_nexthop *nh;
    1196           0 :         char flag[6];
    1197           0 :         json_object *json_route = NULL;
    1198           0 :         json_object *json_array_next_hops = NULL;
    1199           0 :         json_object *json_next_hop;
    1200           0 :         vrf_id_t vrf_id = route->ospf6->vrf_id;
    1201             : 
    1202           0 :         monotime(&now);
    1203             : 
    1204             :         /* destination */
    1205           0 :         if (route->type == OSPF6_DEST_TYPE_LINKSTATE)
    1206           0 :                 ospf6_linkstate_prefix2str(&route->prefix, destination,
    1207             :                                            sizeof(destination));
    1208           0 :         else if (route->type == OSPF6_DEST_TYPE_ROUTER)
    1209           0 :                 inet_ntop(route->prefix.family, &route->prefix.u.prefix,
    1210             :                           destination, sizeof(destination));
    1211             :         else
    1212           0 :                 prefix2str(&route->prefix, destination, sizeof(destination));
    1213             : 
    1214           0 :         if (use_json) {
    1215           0 :                 json_route = json_object_new_object();
    1216           0 :                 json_object_string_add(json_route, "destinationType",
    1217           0 :                                        OSPF6_DEST_TYPE_NAME(route->type));
    1218             :         } else {
    1219           0 :                 vty_out(vty, "Destination: %s\n", destination);
    1220           0 :                 vty_out(vty, "Destination type: %s\n",
    1221           0 :                         OSPF6_DEST_TYPE_NAME(route->type));
    1222             :         }
    1223             : 
    1224             :         /* Time */
    1225           0 :         timersub(&now, &route->installed, &res);
    1226           0 :         timerstring(&res, duration, sizeof(duration));
    1227           0 :         if (use_json)
    1228           0 :                 json_object_string_add(json_route, "installedTimeSince",
    1229             :                                        duration);
    1230             :         else
    1231           0 :                 vty_out(vty, "Installed Time: %s ago\n", duration);
    1232             : 
    1233           0 :         timersub(&now, &route->changed, &res);
    1234           0 :         timerstring(&res, duration, sizeof(duration));
    1235           0 :         if (use_json)
    1236           0 :                 json_object_string_add(json_route, "changedTimeSince",
    1237             :                                        duration);
    1238             :         else
    1239           0 :                 vty_out(vty, "Changed Time: %s ago\n", duration);
    1240             : 
    1241             :         /* Debugging info */
    1242           0 :         if (use_json) {
    1243           0 :                 json_object_int_add(json_route, "numberOfLock", route->lock);
    1244           0 :                 snprintf(
    1245             :                         flag, sizeof(flag), "%s%s%s%s",
    1246             :                         (CHECK_FLAG(route->flag, OSPF6_ROUTE_BEST) ? "B" : "-"),
    1247             :                         (CHECK_FLAG(route->flag, OSPF6_ROUTE_ADD) ? "A" : "-"),
    1248             :                         (CHECK_FLAG(route->flag, OSPF6_ROUTE_REMOVE) ? "R"
    1249             :                                                                      : "-"),
    1250           0 :                         (CHECK_FLAG(route->flag, OSPF6_ROUTE_CHANGE) ? "C"
    1251             :                                                                      : "-"));
    1252           0 :                 json_object_string_add(json_route, "flags", flag);
    1253             :         } else {
    1254           0 :                 vty_out(vty, "Lock: %d Flags: %s%s%s%s\n", route->lock,
    1255             :                         (CHECK_FLAG(route->flag, OSPF6_ROUTE_BEST) ? "B" : "-"),
    1256             :                         (CHECK_FLAG(route->flag, OSPF6_ROUTE_ADD) ? "A" : "-"),
    1257             :                         (CHECK_FLAG(route->flag, OSPF6_ROUTE_REMOVE) ? "R"
    1258             :                                                                      : "-"),
    1259           0 :                         (CHECK_FLAG(route->flag, OSPF6_ROUTE_CHANGE) ? "C"
    1260             :                                                                      : "-"));
    1261           0 :                 vty_out(vty, "Memory: prev: %p this: %p next: %p\n",
    1262           0 :                         (void *)route->prev, (void *)route,
    1263           0 :                         (void *)route->next);
    1264             :         }
    1265             : 
    1266             :         /* Path section */
    1267             : 
    1268             :         /* Area-ID */
    1269           0 :         inet_ntop(AF_INET, &route->path.area_id, area_id, sizeof(area_id));
    1270           0 :         if (use_json)
    1271           0 :                 json_object_string_add(json_route, "associatedArea", area_id);
    1272             :         else
    1273           0 :                 vty_out(vty, "Associated Area: %s\n", area_id);
    1274             : 
    1275             :         /* Path type */
    1276           0 :         if (use_json)
    1277           0 :                 json_object_string_add(json_route, "pathType",
    1278           0 :                                        OSPF6_PATH_TYPE_NAME(route->path.type));
    1279             :         else
    1280           0 :                 vty_out(vty, "Path Type: %s\n",
    1281           0 :                         OSPF6_PATH_TYPE_NAME(route->path.type));
    1282             : 
    1283             :         /* LS Origin */
    1284           0 :         inet_ntop(AF_INET, &route->path.origin.id, id, sizeof(id));
    1285           0 :         inet_ntop(AF_INET, &route->path.origin.adv_router, adv_router,
    1286             :                   sizeof(adv_router));
    1287           0 :         if (use_json) {
    1288           0 :                 json_object_string_add(
    1289             :                         json_route, "lsOriginRoutePathType",
    1290           0 :                         ospf6_lstype_name(route->path.origin.type));
    1291           0 :                 json_object_string_add(json_route, "lsId", id);
    1292           0 :                 json_object_string_add(json_route, "lsAdvertisingRouter",
    1293             :                                        adv_router);
    1294             :         } else {
    1295           0 :                 vty_out(vty, "LS Origin: %s Id: %s Adv: %s\n",
    1296           0 :                         ospf6_lstype_name(route->path.origin.type), id,
    1297             :                         adv_router);
    1298             :         }
    1299             : 
    1300             :         /* Options */
    1301           0 :         ospf6_options_printbuf(route->path.options, options, sizeof(options));
    1302           0 :         if (use_json)
    1303           0 :                 json_object_string_add(json_route, "options", options);
    1304             :         else
    1305           0 :                 vty_out(vty, "Options: %s\n", options);
    1306             : 
    1307             :         /* Router Bits */
    1308           0 :         ospf6_capability_printbuf(route->path.router_bits, capa, sizeof(capa));
    1309           0 :         if (use_json)
    1310           0 :                 json_object_string_add(json_route, "routerBits", capa);
    1311             :         else
    1312           0 :                 vty_out(vty, "Router Bits: %s\n", capa);
    1313             : 
    1314             :         /* Prefix Options */
    1315           0 :         ospf6_prefix_options_printbuf(route->prefix_options, pfx_options,
    1316             :                                       sizeof(pfx_options));
    1317           0 :         if (use_json)
    1318           0 :                 json_object_string_add(json_route, "prefixOptions",
    1319             :                                        pfx_options);
    1320             :         else
    1321           0 :                 vty_out(vty, "Prefix Options: %s\n", pfx_options);
    1322             : 
    1323             :         /* Metrics */
    1324           0 :         if (use_json) {
    1325           0 :                 json_object_int_add(json_route, "metricType",
    1326           0 :                                     route->path.metric_type);
    1327           0 :                 json_object_int_add(json_route, "metricCost", route->path.cost);
    1328           0 :                 json_object_int_add(json_route, "metricCostE2",
    1329           0 :                                     route->path.u.cost_e2);
    1330             : 
    1331           0 :                 json_object_int_add(json_route, "pathsCount",
    1332           0 :                                     route->paths->count);
    1333           0 :                 json_object_int_add(json_route, "nextHopCount",
    1334           0 :                                     route->nh_list->count);
    1335             :         } else {
    1336           0 :                 vty_out(vty, "Metric Type: %d\n", route->path.metric_type);
    1337           0 :                 vty_out(vty, "Metric: %d (%d)\n", route->path.cost,
    1338             :                         route->path.u.cost_e2);
    1339             : 
    1340           0 :                 vty_out(vty, "Paths count: %u\n", route->paths->count);
    1341           0 :                 vty_out(vty, "Nexthop count: %u\n", route->nh_list->count);
    1342             :         }
    1343             : 
    1344             :         /* Nexthops */
    1345           0 :         if (use_json)
    1346           0 :                 json_array_next_hops = json_object_new_array();
    1347             :         else
    1348           0 :                 vty_out(vty, "Nexthop:\n");
    1349             : 
    1350           0 :         for (ALL_LIST_ELEMENTS_RO(route->nh_list, node, nh)) {
    1351             :                 /* nexthop */
    1352           0 :                 if (use_json) {
    1353           0 :                         inet_ntop(AF_INET6, &nh->address, nexthop,
    1354             :                                   sizeof(nexthop));
    1355           0 :                         json_next_hop = json_object_new_object();
    1356           0 :                         json_object_string_add(json_next_hop, "nextHop",
    1357             :                                                nexthop);
    1358           0 :                         json_object_string_add(
    1359             :                                 json_next_hop, "interfaceName",
    1360             :                                 ifindex2ifname(nh->ifindex, vrf_id));
    1361           0 :                         json_object_array_add(json_array_next_hops,
    1362             :                                               json_next_hop);
    1363             :                 } else
    1364           0 :                         vty_out(vty, "  %pI6 %.*s\n", &nh->address, IFNAMSIZ,
    1365             :                                 ifindex2ifname(nh->ifindex, vrf_id));
    1366             :         }
    1367           0 :         if (use_json) {
    1368           0 :                 json_object_object_add(json_route, "nextHops",
    1369             :                                        json_array_next_hops);
    1370           0 :                 json_object_object_add(json_routes, destination, json_route);
    1371             :         } else
    1372           0 :                 vty_out(vty, "\n");
    1373           0 : }
    1374             : 
    1375           0 : static void ospf6_route_show_table_summary(struct vty *vty,
    1376             :                                            struct ospf6_route_table *table,
    1377             :                                            json_object *json, bool use_json)
    1378             : {
    1379           0 :         struct ospf6_route *route, *prev = NULL;
    1380           0 :         int i, pathtype[OSPF6_PATH_TYPE_MAX];
    1381           0 :         unsigned int number = 0;
    1382           0 :         int nh_count = 0, ecmp = 0;
    1383           0 :         int alternative = 0, destination = 0;
    1384           0 :         char path_str[30];
    1385             : 
    1386           0 :         for (i = 0; i < OSPF6_PATH_TYPE_MAX; i++)
    1387           0 :                 pathtype[i] = 0;
    1388             : 
    1389           0 :         for (route = ospf6_route_head(table); route;
    1390           0 :              route = ospf6_route_next(route)) {
    1391           0 :                 if (prev == NULL || !ospf6_route_is_same(prev, route))
    1392           0 :                         destination++;
    1393             :                 else
    1394           0 :                         alternative++;
    1395           0 :                 nh_count = ospf6_num_nexthops(route->nh_list);
    1396           0 :                 if (nh_count > 1)
    1397           0 :                         ecmp++;
    1398           0 :                 pathtype[route->path.type]++;
    1399           0 :                 number++;
    1400             : 
    1401           0 :                 prev = route;
    1402             :         }
    1403             : 
    1404           0 :         assert(number == table->count);
    1405           0 :         if (use_json) {
    1406           0 :                 json_object_int_add(json, "numberOfOspfv3Routes", number);
    1407           0 :                 json_object_int_add(json, "numberOfDestination", destination);
    1408           0 :                 json_object_int_add(json, "numberOfAlternativeRoutes",
    1409             :                                     alternative);
    1410           0 :                 json_object_int_add(json, "numberOfEcmp", ecmp);
    1411             :         } else {
    1412           0 :                 vty_out(vty, "Number of OSPFv3 routes: %d\n", number);
    1413           0 :                 vty_out(vty, "Number of Destination: %d\n", destination);
    1414           0 :                 vty_out(vty, "Number of Alternative routes: %d\n", alternative);
    1415           0 :                 vty_out(vty, "Number of Equal Cost Multi Path: %d\n", ecmp);
    1416             :         }
    1417           0 :         for (i = OSPF6_PATH_TYPE_INTRA; i <= OSPF6_PATH_TYPE_EXTERNAL2; i++) {
    1418           0 :                 if (use_json) {
    1419           0 :                         snprintf(path_str, sizeof(path_str), "numberOf%sRoutes",
    1420             :                                  OSPF6_PATH_TYPE_JSON(i));
    1421           0 :                         json_object_int_add(json, path_str, pathtype[i]);
    1422             :                 } else
    1423           0 :                         vty_out(vty, "Number of %s routes: %d\n",
    1424             :                                 OSPF6_PATH_TYPE_NAME(i), pathtype[i]);
    1425             :         }
    1426           0 : }
    1427             : 
    1428           0 : static void ospf6_route_show_table_prefix(struct vty *vty,
    1429             :                                           struct prefix *prefix,
    1430             :                                           struct ospf6_route_table *table,
    1431             :                                           json_object *json, bool use_json)
    1432             : {
    1433           0 :         struct ospf6_route *route;
    1434           0 :         json_object *json_routes = NULL;
    1435             : 
    1436           0 :         route = ospf6_route_lookup(prefix, table);
    1437           0 :         if (route == NULL)
    1438             :                 return;
    1439             : 
    1440           0 :         if (use_json)
    1441           0 :                 json_routes = json_object_new_object();
    1442           0 :         ospf6_route_lock(route);
    1443           0 :         while (route && ospf6_route_is_prefix(prefix, route)) {
    1444             :                 /* Specifying a prefix will always display details */
    1445           0 :                 ospf6_route_show_detail(vty, route, json_routes, use_json);
    1446           0 :                 route = ospf6_route_next(route);
    1447             :         }
    1448             : 
    1449           0 :         if (use_json)
    1450           0 :                 json_object_object_add(json, "routes", json_routes);
    1451           0 :         if (route)
    1452           0 :                 ospf6_route_unlock(route);
    1453             : }
    1454             : 
    1455           0 : static void ospf6_route_show_table_address(struct vty *vty,
    1456             :                                            struct prefix *prefix,
    1457             :                                            struct ospf6_route_table *table,
    1458             :                                            json_object *json, bool use_json)
    1459             : {
    1460           0 :         struct ospf6_route *route;
    1461           0 :         json_object *json_routes = NULL;
    1462             : 
    1463           0 :         route = ospf6_route_lookup_bestmatch(prefix, table);
    1464           0 :         if (route == NULL)
    1465             :                 return;
    1466             : 
    1467           0 :         if (use_json)
    1468           0 :                 json_routes = json_object_new_object();
    1469           0 :         prefix = &route->prefix;
    1470           0 :         ospf6_route_lock(route);
    1471           0 :         while (route && ospf6_route_is_prefix(prefix, route)) {
    1472             :                 /* Specifying a prefix will always display details */
    1473           0 :                 ospf6_route_show_detail(vty, route, json_routes, use_json);
    1474           0 :                 route = ospf6_route_next(route);
    1475             :         }
    1476           0 :         if (use_json)
    1477           0 :                 json_object_object_add(json, "routes", json_routes);
    1478           0 :         if (route)
    1479           0 :                 ospf6_route_unlock(route);
    1480             : }
    1481             : 
    1482           0 : static void ospf6_route_show_table_match(struct vty *vty, int detail,
    1483             :                                          struct prefix *prefix,
    1484             :                                          struct ospf6_route_table *table,
    1485             :                                          json_object *json, bool use_json)
    1486             : {
    1487           0 :         struct ospf6_route *route;
    1488           0 :         json_object *json_routes = NULL;
    1489             : 
    1490           0 :         assert(prefix->family);
    1491             : 
    1492           0 :         route = ospf6_route_match_head(prefix, table);
    1493           0 :         if (use_json)
    1494           0 :                 json_routes = json_object_new_object();
    1495           0 :         while (route) {
    1496           0 :                 if (detail)
    1497           0 :                         ospf6_route_show_detail(vty, route, json_routes,
    1498             :                                                 use_json);
    1499             :                 else
    1500           0 :                         ospf6_route_show(vty, route, json_routes, use_json);
    1501           0 :                 route = ospf6_route_match_next(prefix, route);
    1502             :         }
    1503           0 :         if (use_json)
    1504           0 :                 json_object_object_add(json, "routes", json_routes);
    1505           0 : }
    1506             : 
    1507           0 : static void ospf6_route_show_table_type(struct vty *vty, int detail,
    1508             :                                         uint8_t type,
    1509             :                                         struct ospf6_route_table *table,
    1510             :                                         json_object *json, bool use_json)
    1511             : {
    1512           0 :         struct ospf6_route *route;
    1513           0 :         json_object *json_routes = NULL;
    1514             : 
    1515           0 :         route = ospf6_route_head(table);
    1516           0 :         if (use_json)
    1517           0 :                 json_routes = json_object_new_object();
    1518           0 :         while (route) {
    1519           0 :                 if (route->path.type == type) {
    1520           0 :                         if (detail)
    1521           0 :                                 ospf6_route_show_detail(vty, route, json_routes,
    1522             :                                                         use_json);
    1523             :                         else
    1524           0 :                                 ospf6_route_show(vty, route, json_routes,
    1525             :                                                  use_json);
    1526             :                 }
    1527           0 :                 route = ospf6_route_next(route);
    1528             :         }
    1529           0 :         if (use_json)
    1530           0 :                 json_object_object_add(json, "routes", json_routes);
    1531           0 : }
    1532             : 
    1533           0 : static void ospf6_route_show_table(struct vty *vty, int detail,
    1534             :                                    struct ospf6_route_table *table,
    1535             :                                    json_object *json, bool use_json)
    1536             : {
    1537           0 :         struct ospf6_route *route;
    1538           0 :         json_object *json_routes = NULL;
    1539             : 
    1540           0 :         route = ospf6_route_head(table);
    1541           0 :         if (use_json)
    1542           0 :                 json_routes = json_object_new_object();
    1543           0 :         while (route) {
    1544           0 :                 if (detail)
    1545           0 :                         ospf6_route_show_detail(vty, route, json_routes,
    1546             :                                                 use_json);
    1547             :                 else
    1548           0 :                         ospf6_route_show(vty, route, json_routes, use_json);
    1549           0 :                 route = ospf6_route_next(route);
    1550             :         }
    1551           0 :         if (use_json)
    1552           0 :                 json_object_object_add(json, "routes", json_routes);
    1553           0 : }
    1554             : 
    1555           0 : int ospf6_route_table_show(struct vty *vty, int argc_start, int argc,
    1556             :                            struct cmd_token **argv,
    1557             :                            struct ospf6_route_table *table, bool use_json)
    1558             : {
    1559           0 :         int summary = 0;
    1560           0 :         int match = 0;
    1561           0 :         int detail = 0;
    1562           0 :         int slash = 0;
    1563           0 :         int isprefix = 0;
    1564           0 :         int i, ret;
    1565           0 :         struct prefix prefix;
    1566           0 :         uint8_t type = 0;
    1567           0 :         int arg_end = use_json ? (argc - 1) : argc;
    1568           0 :         json_object *json = NULL;
    1569             : 
    1570           0 :         memset(&prefix, 0, sizeof(prefix));
    1571             : 
    1572           0 :         if (use_json)
    1573           0 :                 json = json_object_new_object();
    1574             : 
    1575           0 :         for (i = argc_start; i < arg_end; i++) {
    1576           0 :                 if (strmatch(argv[i]->text, "summary")) {
    1577           0 :                         summary++;
    1578           0 :                         continue;
    1579             :                 }
    1580             : 
    1581           0 :                 if (strmatch(argv[i]->text, "intra-area")) {
    1582           0 :                         type = OSPF6_PATH_TYPE_INTRA;
    1583           0 :                         continue;
    1584             :                 }
    1585             : 
    1586           0 :                 if (strmatch(argv[i]->text, "inter-area")) {
    1587           0 :                         type = OSPF6_PATH_TYPE_INTER;
    1588           0 :                         continue;
    1589             :                 }
    1590             : 
    1591           0 :                 if (strmatch(argv[i]->text, "external-1")) {
    1592           0 :                         type = OSPF6_PATH_TYPE_EXTERNAL1;
    1593           0 :                         continue;
    1594             :                 }
    1595             : 
    1596           0 :                 if (strmatch(argv[i]->text, "external-2")) {
    1597           0 :                         type = OSPF6_PATH_TYPE_EXTERNAL2;
    1598           0 :                         continue;
    1599             :                 }
    1600             : 
    1601           0 :                 if (strmatch(argv[i]->text, "detail")) {
    1602           0 :                         detail++;
    1603           0 :                         continue;
    1604             :                 }
    1605             : 
    1606           0 :                 if (strmatch(argv[i]->text, "match")) {
    1607           0 :                         match++;
    1608           0 :                         continue;
    1609             :                 }
    1610             : 
    1611           0 :                 ret = str2prefix(argv[i]->arg, &prefix);
    1612           0 :                 if (ret == 1 && prefix.family == AF_INET6) {
    1613           0 :                         isprefix++;
    1614           0 :                         if (strchr(argv[i]->arg, '/'))
    1615           0 :                                 slash++;
    1616           0 :                         continue;
    1617             :                 }
    1618           0 :                 if (use_json)
    1619           0 :                         json_object_string_add(json, "malformedArgument",
    1620           0 :                                                argv[i]->arg);
    1621             :                 else
    1622           0 :                         vty_out(vty, "Malformed argument: %s\n", argv[i]->arg);
    1623             : 
    1624             :                 return CMD_SUCCESS;
    1625             :         }
    1626             : 
    1627             :         /* Give summary of this route table */
    1628           0 :         if (summary) {
    1629           0 :                 ospf6_route_show_table_summary(vty, table, json, use_json);
    1630           0 :                 if (use_json)
    1631           0 :                         vty_json(vty, json);
    1632           0 :                 return CMD_SUCCESS;
    1633             :         }
    1634             : 
    1635             :         /* Give exact prefix-match route */
    1636           0 :         if (isprefix && !match) {
    1637             :                 /* If exact address, give best matching route */
    1638           0 :                 if (!slash)
    1639           0 :                         ospf6_route_show_table_address(vty, &prefix, table,
    1640             :                                                        json, use_json);
    1641             :                 else
    1642           0 :                         ospf6_route_show_table_prefix(vty, &prefix, table, json,
    1643             :                                                       use_json);
    1644             : 
    1645           0 :                 if (use_json)
    1646           0 :                         vty_json(vty, json);
    1647           0 :                 return CMD_SUCCESS;
    1648             :         }
    1649             : 
    1650           0 :         if (match)
    1651           0 :                 ospf6_route_show_table_match(vty, detail, &prefix, table, json,
    1652             :                                              use_json);
    1653           0 :         else if (type)
    1654           0 :                 ospf6_route_show_table_type(vty, detail, type, table, json,
    1655             :                                             use_json);
    1656             :         else
    1657           0 :                 ospf6_route_show_table(vty, detail, table, json, use_json);
    1658             : 
    1659           0 :         if (use_json)
    1660           0 :                 vty_json(vty, json);
    1661             :         return CMD_SUCCESS;
    1662             : }
    1663             : 
    1664           0 : static void ospf6_linkstate_show_header(struct vty *vty)
    1665             : {
    1666           0 :         vty_out(vty, "%-7s %-15s %-15s %-8s %-14s %s\n", "Type", "Router-ID",
    1667             :                 "Net-ID", "Rtr-Bits", "Options", "Cost");
    1668           0 : }
    1669             : 
    1670           0 : static void ospf6_linkstate_show(struct vty *vty, struct ospf6_route *route)
    1671             : {
    1672           0 :         uint32_t router, id;
    1673           0 :         char routername[16], idname[16], rbits[16], options[32];
    1674             : 
    1675           0 :         router = ospf6_linkstate_prefix_adv_router(&route->prefix);
    1676           0 :         inet_ntop(AF_INET, &router, routername, sizeof(routername));
    1677           0 :         id = ospf6_linkstate_prefix_id(&route->prefix);
    1678           0 :         inet_ntop(AF_INET, &id, idname, sizeof(idname));
    1679             : 
    1680           0 :         ospf6_capability_printbuf(route->path.router_bits, rbits,
    1681             :                                   sizeof(rbits));
    1682           0 :         ospf6_options_printbuf(route->path.options, options, sizeof(options));
    1683             : 
    1684           0 :         if (ntohl(id))
    1685           0 :                 vty_out(vty, "%-7s %-15s %-15s %-8s %-14s %lu\n", "Network",
    1686             :                         routername, idname, rbits, options,
    1687           0 :                         (unsigned long)route->path.cost);
    1688             :         else
    1689           0 :                 vty_out(vty, "%-7s %-15s %-15s %-8s %-14s %lu\n", "Router",
    1690             :                         routername, idname, rbits, options,
    1691           0 :                         (unsigned long)route->path.cost);
    1692           0 : }
    1693             : 
    1694             : 
    1695           0 : static void ospf6_linkstate_show_table_exact(struct vty *vty,
    1696             :                                              struct prefix *prefix,
    1697             :                                              struct ospf6_route_table *table)
    1698             : {
    1699           0 :         struct ospf6_route *route;
    1700             : 
    1701           0 :         route = ospf6_route_lookup(prefix, table);
    1702           0 :         if (route == NULL)
    1703             :                 return;
    1704             : 
    1705           0 :         ospf6_route_lock(route);
    1706           0 :         while (route && ospf6_route_is_prefix(prefix, route)) {
    1707             :                 /* Specifying a prefix will always display details */
    1708           0 :                 ospf6_route_show_detail(vty, route, NULL, false);
    1709           0 :                 route = ospf6_route_next(route);
    1710             :         }
    1711           0 :         if (route)
    1712           0 :                 ospf6_route_unlock(route);
    1713             : }
    1714             : 
    1715           0 : static void ospf6_linkstate_show_table(struct vty *vty, int detail,
    1716             :                                        struct ospf6_route_table *table)
    1717             : {
    1718           0 :         struct ospf6_route *route;
    1719             : 
    1720           0 :         if (!detail)
    1721           0 :                 ospf6_linkstate_show_header(vty);
    1722             : 
    1723           0 :         route = ospf6_route_head(table);
    1724           0 :         while (route) {
    1725           0 :                 if (detail)
    1726           0 :                         ospf6_route_show_detail(vty, route, NULL, false);
    1727             :                 else
    1728           0 :                         ospf6_linkstate_show(vty, route);
    1729           0 :                 route = ospf6_route_next(route);
    1730             :         }
    1731           0 : }
    1732             : 
    1733           0 : int ospf6_linkstate_table_show(struct vty *vty, int idx_ipv4, int argc,
    1734             :                                struct cmd_token **argv,
    1735             :                                struct ospf6_route_table *table)
    1736             : {
    1737           0 :         int detail = 0;
    1738           0 :         int is_id = 0;
    1739           0 :         int is_router = 0;
    1740           0 :         int i, ret;
    1741           0 :         struct prefix router, id, prefix;
    1742             : 
    1743           0 :         memset(&router, 0, sizeof(router));
    1744           0 :         memset(&id, 0, sizeof(id));
    1745           0 :         memset(&prefix, 0, sizeof(prefix));
    1746             : 
    1747           0 :         for (i = idx_ipv4; i < argc; i++) {
    1748           0 :                 if (strmatch(argv[i]->text, "detail")) {
    1749           0 :                         detail++;
    1750           0 :                         continue;
    1751             :                 }
    1752             : 
    1753           0 :                 if (!is_router) {
    1754           0 :                         ret = str2prefix(argv[i]->arg, &router);
    1755           0 :                         if (ret == 1 && router.family == AF_INET) {
    1756           0 :                                 is_router++;
    1757           0 :                                 continue;
    1758             :                         }
    1759           0 :                         vty_out(vty, "Malformed argument: %s\n", argv[i]->arg);
    1760           0 :                         return CMD_SUCCESS;
    1761             :                 }
    1762             : 
    1763           0 :                 if (!is_id) {
    1764           0 :                         ret = str2prefix(argv[i]->arg, &id);
    1765           0 :                         if (ret == 1 && id.family == AF_INET) {
    1766           0 :                                 is_id++;
    1767           0 :                                 continue;
    1768             :                         }
    1769           0 :                         vty_out(vty, "Malformed argument: %s\n", argv[i]->arg);
    1770           0 :                         return CMD_SUCCESS;
    1771             :                 }
    1772             : 
    1773           0 :                 vty_out(vty, "Malformed argument: %s\n", argv[i]->arg);
    1774           0 :                 return CMD_SUCCESS;
    1775             :         }
    1776             : 
    1777           0 :         if (is_router)
    1778           0 :                 ospf6_linkstate_prefix(router.u.prefix4.s_addr,
    1779             :                                        id.u.prefix4.s_addr, &prefix);
    1780             : 
    1781           0 :         if (prefix.family)
    1782           0 :                 ospf6_linkstate_show_table_exact(vty, &prefix, table);
    1783             :         else
    1784           0 :                 ospf6_linkstate_show_table(vty, detail, table);
    1785             : 
    1786             :         return CMD_SUCCESS;
    1787             : }
    1788             : 
    1789             : 
    1790           0 : void ospf6_brouter_show_header(struct vty *vty)
    1791             : {
    1792           0 :         vty_out(vty, "%-15s %-8s %-14s %-10s %-15s\n", "Router-ID", "Rtr-Bits",
    1793             :                 "Options", "Path-Type", "Area");
    1794           0 : }
    1795             : 
    1796           0 : void ospf6_brouter_show(struct vty *vty, struct ospf6_route *route)
    1797             : {
    1798           0 :         uint32_t adv_router;
    1799           0 :         char adv[16], rbits[16], options[32], area[16];
    1800             : 
    1801           0 :         adv_router = ospf6_linkstate_prefix_adv_router(&route->prefix);
    1802           0 :         inet_ntop(AF_INET, &adv_router, adv, sizeof(adv));
    1803           0 :         ospf6_capability_printbuf(route->path.router_bits, rbits,
    1804             :                                   sizeof(rbits));
    1805           0 :         ospf6_options_printbuf(route->path.options, options, sizeof(options));
    1806           0 :         inet_ntop(AF_INET, &route->path.area_id, area, sizeof(area));
    1807             : 
    1808             :         /* vty_out (vty, "%-15s %-8s %-14s %-10s %-15s\n",
    1809             :                  "Router-ID", "Rtr-Bits", "Options", "Path-Type", "Area"); */
    1810           0 :         vty_out(vty, "%-15s %-8s %-14s %-10s %-15s\n", adv, rbits, options,
    1811           0 :                 OSPF6_PATH_TYPE_NAME(route->path.type), area);
    1812           0 : }
    1813             : 
    1814           0 : DEFPY(debug_ospf6_route,
    1815             :       debug_ospf6_route_cmd,
    1816             :       "[no$no] debug ospf6 route <all|table|intra-area|inter-area|memory>",
    1817             :       NO_STR
    1818             :       DEBUG_STR
    1819             :       OSPF6_STR
    1820             :       "Debug routes\n"
    1821             :       "Debug for all types of route calculation\n"
    1822             :       "Debug route table calculation\n"
    1823             :       "Debug intra-area route calculation\n"
    1824             :       "Debug inter-area route calculation\n"
    1825             :       "Debug route memory use\n")
    1826             : {
    1827           0 :         int idx_type;
    1828           0 :         unsigned char level = 0;
    1829             : 
    1830           0 :         idx_type = ((no) ? 4 : 3);
    1831             : 
    1832           0 :         if (!strcmp(argv[idx_type]->text, "all"))
    1833             :                 level = OSPF6_DEBUG_ROUTE_ALL;
    1834           0 :         else if (!strcmp(argv[idx_type]->text, "table"))
    1835             :                 level = OSPF6_DEBUG_ROUTE_TABLE;
    1836           0 :         else if (!strcmp(argv[idx_type]->text, "intra-area"))
    1837             :                 level = OSPF6_DEBUG_ROUTE_INTRA;
    1838           0 :         else if (!strcmp(argv[idx_type]->text, "inter-area"))
    1839             :                 level = OSPF6_DEBUG_ROUTE_INTER;
    1840           0 :         else if (!strcmp(argv[idx_type]->text, "memory"))
    1841           0 :                 level = OSPF6_DEBUG_ROUTE_MEMORY;
    1842             : 
    1843           0 :         if (no)
    1844           0 :                 OSPF6_DEBUG_ROUTE_OFF(level);
    1845             :         else
    1846           0 :                 OSPF6_DEBUG_ROUTE_ON(level);
    1847           0 :         return CMD_SUCCESS;
    1848             : }
    1849             : 
    1850           0 : int config_write_ospf6_debug_route(struct vty *vty)
    1851             : {
    1852           0 :         if (IS_OSPF6_DEBUG_ROUTE(ALL) == OSPF6_DEBUG_ROUTE_ALL) {
    1853           0 :                 vty_out(vty, "debug ospf6 route all\n");
    1854           0 :                 return 0;
    1855             :         }
    1856           0 :         if (IS_OSPF6_DEBUG_ROUTE(TABLE))
    1857           0 :                 vty_out(vty, "debug ospf6 route table\n");
    1858           0 :         if (IS_OSPF6_DEBUG_ROUTE(INTRA))
    1859           0 :                 vty_out(vty, "debug ospf6 route intra-area\n");
    1860           0 :         if (IS_OSPF6_DEBUG_ROUTE(INTER))
    1861           0 :                 vty_out(vty, "debug ospf6 route inter-area\n");
    1862           0 :         if (IS_OSPF6_DEBUG_ROUTE(MEMORY))
    1863           0 :                 vty_out(vty, "debug ospf6 route memory\n");
    1864             : 
    1865             :         return 0;
    1866             : }
    1867             : 
    1868           4 : void install_element_ospf6_debug_route(void)
    1869             : {
    1870           4 :         install_element(ENABLE_NODE, &debug_ospf6_route_cmd);
    1871           4 :         install_element(CONFIG_NODE, &debug_ospf6_route_cmd);
    1872           4 : }

Generated by: LCOV version v1.16-topotato