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|
/*
* Copyright (C) 2003 Yasuhiro Ohara
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <zebra.h>
#include "log.h"
#include "memory.h"
#include "linklist.h"
#include "thread.h"
#include "vty.h"
#include "command.h"
#include "if.h"
#include "prefix.h"
#include "table.h"
#include "plist.h"
#include "filter.h"
#include "ospf6_proto.h"
#include "ospf6_lsa.h"
#include "ospf6_lsdb.h"
#include "ospf6_route.h"
#include "ospf6_spf.h"
#include "ospf6_top.h"
#include "ospf6_area.h"
#include "ospf6_interface.h"
#include "ospf6_intra.h"
#include "ospf6_abr.h"
#include "ospf6_asbr.h"
#include "ospf6d.h"
int
ospf6_area_cmp (void *va, void *vb)
{
struct ospf6_area *oa = (struct ospf6_area *) va;
struct ospf6_area *ob = (struct ospf6_area *) vb;
return (ntohl (oa->area_id) < ntohl (ob->area_id) ? -1 : 1);
}
/* schedule routing table recalculation */
static void
ospf6_area_lsdb_hook_add (struct ospf6_lsa *lsa)
{
switch (ntohs (lsa->header->type))
{
case OSPF6_LSTYPE_ROUTER:
case OSPF6_LSTYPE_NETWORK:
if (IS_OSPF6_DEBUG_EXAMIN_TYPE (lsa->header->type))
{
zlog_debug ("Examin %s", lsa->name);
zlog_debug ("Schedule SPF Calculation for %s",
OSPF6_AREA (lsa->lsdb->data)->name);
}
ospf6_spf_schedule (OSPF6_PROCESS(OSPF6_AREA (lsa->lsdb->data)->ospf6),
ospf6_lsadd_to_spf_reason(lsa));
break;
case OSPF6_LSTYPE_INTRA_PREFIX:
ospf6_intra_prefix_lsa_add (lsa);
break;
case OSPF6_LSTYPE_INTER_PREFIX:
case OSPF6_LSTYPE_INTER_ROUTER:
ospf6_abr_examin_summary (lsa, (struct ospf6_area *) lsa->lsdb->data);
break;
default:
break;
}
}
static void
ospf6_area_lsdb_hook_remove (struct ospf6_lsa *lsa)
{
switch (ntohs (lsa->header->type))
{
case OSPF6_LSTYPE_ROUTER:
case OSPF6_LSTYPE_NETWORK:
if (IS_OSPF6_DEBUG_EXAMIN_TYPE (lsa->header->type))
{
zlog_debug ("LSA disappearing: %s", lsa->name);
zlog_debug ("Schedule SPF Calculation for %s",
OSPF6_AREA (lsa->lsdb->data)->name);
}
ospf6_spf_schedule (OSPF6_PROCESS(OSPF6_AREA (lsa->lsdb->data)->ospf6),
ospf6_lsremove_to_spf_reason(lsa));
break;
case OSPF6_LSTYPE_INTRA_PREFIX:
ospf6_intra_prefix_lsa_remove (lsa);
break;
case OSPF6_LSTYPE_INTER_PREFIX:
case OSPF6_LSTYPE_INTER_ROUTER:
ospf6_abr_examin_summary (lsa, (struct ospf6_area *) lsa->lsdb->data);
break;
default:
break;
}
}
static void
ospf6_area_route_hook_add (struct ospf6_route *route)
{
struct ospf6_route *copy = ospf6_route_copy (route);
ospf6_route_add (copy, ospf6->route_table);
}
static void
ospf6_area_route_hook_remove (struct ospf6_route *route)
{
struct ospf6_route *copy;
copy = ospf6_route_lookup_identical (route, ospf6->route_table);
if (copy)
ospf6_route_remove (copy, ospf6->route_table);
}
static void
ospf6_area_stub_update (struct ospf6_area *area)
{
if (IS_AREA_STUB (area))
{
if (IS_OSPF6_DEBUG_ORIGINATE (ROUTER))
zlog_debug ("Stubbing out area for if %s\n", area->name);
OSPF6_OPT_CLEAR (area->options, OSPF6_OPT_E);
}
else if (IS_AREA_ENABLED (area))
{
if (IS_OSPF6_DEBUG_ORIGINATE (ROUTER))
zlog_debug ("Normal area for if %s\n", area->name);
OSPF6_OPT_SET (area->options, OSPF6_OPT_E);
ospf6_asbr_send_externals_to_area (area);
}
OSPF6_ROUTER_LSA_SCHEDULE(area);
}
static int
ospf6_area_stub_set (struct ospf6 *ospf6, struct ospf6_area *area)
{
if (!IS_AREA_STUB(area))
{
SET_FLAG (area->flag, OSPF6_AREA_STUB);
ospf6_area_stub_update (area);
}
return (1);
}
static void
ospf6_area_stub_unset (struct ospf6 *ospf6, struct ospf6_area *area)
{
if (IS_AREA_STUB (area))
{
UNSET_FLAG (area->flag, OSPF6_AREA_STUB);
ospf6_area_stub_update (area);
}
}
static void
ospf6_area_no_summary_set (struct ospf6 *ospf6, struct ospf6_area *area)
{
if (area)
{
if (!area->no_summary)
{
area->no_summary = 1;
ospf6_abr_range_reset_cost (ospf6);
ospf6_abr_prefix_resummarize (ospf6);
}
}
}
static void
ospf6_area_no_summary_unset (struct ospf6 *ospf6, struct ospf6_area *area)
{
if (area)
{
if (area->no_summary)
{
area->no_summary = 0;
ospf6_abr_range_reset_cost (ospf6);
ospf6_abr_prefix_resummarize (ospf6);
}
}
}
/* Make new area structure */
struct ospf6_area *
ospf6_area_create (u_int32_t area_id, struct ospf6 *o)
{
struct ospf6_area *oa;
oa = XCALLOC (MTYPE_OSPF6_AREA, sizeof (struct ospf6_area));
inet_ntop (AF_INET, &area_id, oa->name, sizeof (oa->name));
oa->area_id = area_id;
oa->if_list = list_new ();
oa->lsdb = ospf6_lsdb_create (oa);
oa->lsdb->hook_add = ospf6_area_lsdb_hook_add;
oa->lsdb->hook_remove = ospf6_area_lsdb_hook_remove;
oa->lsdb_self = ospf6_lsdb_create (oa);
oa->spf_table = OSPF6_ROUTE_TABLE_CREATE (AREA, SPF_RESULTS);
oa->spf_table->scope = oa;
oa->route_table = OSPF6_ROUTE_TABLE_CREATE (AREA, ROUTES);
oa->route_table->scope = oa;
oa->route_table->hook_add = ospf6_area_route_hook_add;
oa->route_table->hook_remove = ospf6_area_route_hook_remove;
oa->range_table = OSPF6_ROUTE_TABLE_CREATE (AREA, PREFIX_RANGES);
oa->range_table->scope = oa;
bf_init(oa->range_table->idspace, 32);
oa->summary_prefix = OSPF6_ROUTE_TABLE_CREATE (AREA, SUMMARY_PREFIXES);
oa->summary_prefix->scope = oa;
oa->summary_router = OSPF6_ROUTE_TABLE_CREATE (AREA, SUMMARY_ROUTERS);
oa->summary_router->scope = oa;
/* set default options */
if (CHECK_FLAG (o->flag, OSPF6_STUB_ROUTER))
{
OSPF6_OPT_CLEAR (oa->options, OSPF6_OPT_V6);
OSPF6_OPT_CLEAR (oa->options, OSPF6_OPT_R);
}
else
{
OSPF6_OPT_SET (oa->options, OSPF6_OPT_V6);
OSPF6_OPT_SET (oa->options, OSPF6_OPT_R);
}
OSPF6_OPT_SET (oa->options, OSPF6_OPT_E);
SET_FLAG (oa->flag, OSPF6_AREA_ACTIVE);
SET_FLAG (oa->flag, OSPF6_AREA_ENABLE);
oa->ospf6 = o;
listnode_add_sort (o->area_list, oa);
if (area_id == OSPF_AREA_BACKBONE)
{
o->backbone = oa;
}
return oa;
}
void
ospf6_area_delete (struct ospf6_area *oa)
{
struct listnode *n;
struct ospf6_interface *oi;
/* The ospf6_interface structs store configuration
* information which should not be lost/reset when
* deleting an area.
* So just detach the interface from the area and
* keep it around. */
for (ALL_LIST_ELEMENTS_RO (oa->if_list, n, oi))
oi->area = NULL;
list_delete (oa->if_list);
ospf6_lsdb_delete (oa->lsdb);
ospf6_lsdb_delete (oa->lsdb_self);
ospf6_spf_table_finish (oa->spf_table);
ospf6_route_table_delete (oa->spf_table);
ospf6_route_table_delete (oa->route_table);
ospf6_route_table_delete (oa->range_table);
ospf6_route_table_delete (oa->summary_prefix);
ospf6_route_table_delete (oa->summary_router);
listnode_delete (oa->ospf6->area_list, oa);
oa->ospf6 = NULL;
/* free area */
XFREE (MTYPE_OSPF6_AREA, oa);
}
struct ospf6_area *
ospf6_area_lookup (u_int32_t area_id, struct ospf6 *ospf6)
{
struct ospf6_area *oa;
struct listnode *n;
for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, n, oa))
if (oa->area_id == area_id)
return oa;
return (struct ospf6_area *) NULL;
}
static struct ospf6_area *
ospf6_area_get (u_int32_t area_id, struct ospf6 *o)
{
struct ospf6_area *oa;
oa = ospf6_area_lookup (area_id, o);
if (oa == NULL)
oa = ospf6_area_create (area_id, o);
return oa;
}
void
ospf6_area_enable (struct ospf6_area *oa)
{
struct listnode *node, *nnode;
struct ospf6_interface *oi;
SET_FLAG (oa->flag, OSPF6_AREA_ENABLE);
for (ALL_LIST_ELEMENTS (oa->if_list, node, nnode, oi))
ospf6_interface_enable (oi);
ospf6_abr_enable_area (oa);
}
void
ospf6_area_disable (struct ospf6_area *oa)
{
struct listnode *node, *nnode;
struct ospf6_interface *oi;
UNSET_FLAG (oa->flag, OSPF6_AREA_ENABLE);
for (ALL_LIST_ELEMENTS (oa->if_list, node, nnode, oi))
ospf6_interface_disable (oi);
ospf6_abr_disable_area (oa);
ospf6_lsdb_remove_all (oa->lsdb);
ospf6_lsdb_remove_all (oa->lsdb_self);
ospf6_spf_table_finish(oa->spf_table);
ospf6_route_remove_all(oa->route_table);
THREAD_OFF (oa->thread_router_lsa);
THREAD_OFF (oa->thread_intra_prefix_lsa);
}
void
ospf6_area_show (struct vty *vty, struct ospf6_area *oa)
{
struct listnode *i;
struct ospf6_interface *oi;
unsigned long result;
if (!IS_AREA_STUB (oa))
vty_out (vty, " Area %s%s", oa->name, VNL);
else
{
if (oa->no_summary)
{
vty_out (vty, " Area %s[Stub, No Summary]%s", oa->name, VNL);
}
else
{
vty_out (vty, " Area %s[Stub]%s", oa->name, VNL);
}
}
vty_out (vty, " Number of Area scoped LSAs is %u%s",
oa->lsdb->count, VNL);
vty_out (vty, " Interface attached to this area:");
for (ALL_LIST_ELEMENTS_RO (oa->if_list, i, oi))
vty_out (vty, " %s", oi->interface->name);
vty_out (vty, "%s", VNL);
if (oa->ts_spf.tv_sec || oa->ts_spf.tv_usec)
{
result = timeval_elapsed (recent_relative_time (), oa->ts_spf);
if (result/TIMER_SECOND_MICRO > 0)
{
vty_out (vty, "SPF last executed %ld.%lds ago%s",
result/TIMER_SECOND_MICRO,
result%TIMER_SECOND_MICRO, VTY_NEWLINE);
}
else
{
vty_out (vty, "SPF last executed %ldus ago%s",
result, VTY_NEWLINE);
}
}
else
vty_out (vty, "SPF has not been run%s", VTY_NEWLINE);
}
#define OSPF6_CMD_AREA_LOOKUP(str, oa) \
{ \
u_int32_t area_id = 0; \
if (inet_pton (AF_INET, str, &area_id) != 1) \
{ \
vty_out (vty, "Malformed Area-ID: %s%s", str, VNL); \
return CMD_SUCCESS; \
} \
oa = ospf6_area_lookup (area_id, ospf6); \
if (oa == NULL) \
{ \
vty_out (vty, "No such Area: %s%s", str, VNL); \
return CMD_SUCCESS; \
} \
}
#define OSPF6_CMD_AREA_GET(str, oa) \
{ \
u_int32_t area_id = 0; \
if (inet_pton (AF_INET, str, &area_id) != 1) \
{ \
vty_out (vty, "Malformed Area-ID: %s%s", str, VNL); \
return CMD_SUCCESS; \
} \
oa = ospf6_area_get (area_id, ospf6); \
}
DEFUN (area_range,
area_range_cmd,
"area <A.B.C.D|(0-4294967295)> range X:X::X:X/M [<advertise|not-advertise|cost (0-16777215)>]",
"OSPF area parameters\n"
OSPF6_AREA_ID_STR
"Configured address range\n"
"Specify IPv6 prefix\n"
"Advertise\n"
"Do not advertise\n"
"User specified metric for this range\n"
"Advertised metric for this range\n")
{
int idx_ipv4 = 1;
int idx_ipv6_prefixlen = 3;
int idx_type = 4;
int ret;
struct ospf6_area *oa;
struct prefix prefix;
struct ospf6_route *range;
u_int32_t cost = OSPF_AREA_RANGE_COST_UNSPEC;
OSPF6_CMD_AREA_GET (argv[idx_ipv4]->arg, oa);
ret = str2prefix (argv[idx_ipv6_prefixlen]->arg, &prefix);
if (ret != 1 || prefix.family != AF_INET6)
{
vty_out (vty, "Malformed argument: %s%s", argv[idx_ipv6_prefixlen]->arg, VNL);
return CMD_SUCCESS;
}
range = ospf6_route_lookup (&prefix, oa->range_table);
if (range == NULL)
{
range = ospf6_route_create ();
range->type = OSPF6_DEST_TYPE_RANGE;
range->prefix = prefix;
range->path.area_id = oa->area_id;
range->path.cost = OSPF_AREA_RANGE_COST_UNSPEC;
range->linkstate_id =
(u_int32_t) htonl(ospf6_new_range_ls_id (oa->range_table));
}
if (argc > idx_type)
{
if (strmatch (argv[idx_type]->text, "not-advertise"))
{
SET_FLAG (range->flag, OSPF6_ROUTE_DO_NOT_ADVERTISE);
}
else if (strmatch (argv[idx_type]->text, "advertise"))
{
UNSET_FLAG (range->flag, OSPF6_ROUTE_DO_NOT_ADVERTISE);
}
else
{
VTY_GET_INTEGER_RANGE ("cost", cost, argv[5]->arg, 0, OSPF_LS_INFINITY);
UNSET_FLAG (range->flag, OSPF6_ROUTE_DO_NOT_ADVERTISE);
}
}
range->path.u.cost_config = cost;
zlog_debug ("%s: for prefix %s, flag = %x\n", __func__, argv[idx_ipv6_prefixlen]->arg, range->flag);
if (range->rnode == NULL)
{
ospf6_route_add (range, oa->range_table);
}
if (ospf6_is_router_abr (ospf6))
{
/* Redo summaries if required */
ospf6_abr_prefix_resummarize (ospf6);
}
return CMD_SUCCESS;
}
DEFUN (no_area_range,
no_area_range_cmd,
"no area A.B.C.D range X:X::X:X/M [<advertise|not-advertise>] [cost (0-16777215)]",
NO_STR
"OSPF area parameters\n"
OSPF6_AREA_ID_STR
"Configured address range\n"
"Specify IPv6 prefix\n")
{
int idx_ipv4 = 2;
int ret;
struct ospf6_area *oa;
struct prefix prefix;
struct ospf6_route *range, *route;
OSPF6_CMD_AREA_GET (argv[idx_ipv4]->arg, oa);
ret = str2prefix (argv[idx_ipv4]->arg, &prefix);
if (ret != 1 || prefix.family != AF_INET6)
{
vty_out (vty, "Malformed argument: %s%s", argv[idx_ipv4]->arg, VNL);
return CMD_SUCCESS;
}
range = ospf6_route_lookup (&prefix, oa->range_table);
if (range == NULL)
{
vty_out (vty, "Range %s does not exists.%s", argv[idx_ipv4]->arg, VNL);
return CMD_SUCCESS;
}
if (ospf6_is_router_abr(oa->ospf6))
{
/* Blow away the aggregated LSA and route */
SET_FLAG (range->flag, OSPF6_ROUTE_REMOVE);
/* Redo summaries if required */
for (route = ospf6_route_head (ospf6->route_table); route;
route = ospf6_route_next (route))
ospf6_abr_originate_summary(route);
/* purge the old aggregated summary LSA */
ospf6_abr_originate_summary(range);
}
ospf6_release_range_ls_id(oa->range_table,
(u_int32_t) ntohl(range->linkstate_id));
ospf6_route_remove (range, oa->range_table);
return CMD_SUCCESS;
}
void
ospf6_area_config_write (struct vty *vty)
{
struct listnode *node;
struct ospf6_area *oa;
struct ospf6_route *range;
char buf[PREFIX2STR_BUFFER];
for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
{
for (range = ospf6_route_head (oa->range_table); range;
range = ospf6_route_next (range))
{
prefix2str (&range->prefix, buf, sizeof (buf));
vty_out (vty, " area %s range %s", oa->name, buf);
if (CHECK_FLAG (range->flag, OSPF6_ROUTE_DO_NOT_ADVERTISE))
{
vty_out (vty, " not-advertise");
}
else
{
// "advertise" is the default so we do not display it
if (range->path.u.cost_config != OSPF_AREA_RANGE_COST_UNSPEC)
vty_out (vty, " cost %d", range->path.u.cost_config);
}
vty_out (vty, "%s", VNL);
}
if (IS_AREA_STUB (oa))
{
if (oa->no_summary)
vty_out (vty, " area %s stub no-summary%s", oa->name, VNL);
else
vty_out (vty, " area %s stub%s", oa->name, VNL);
}
if (PREFIX_NAME_IN (oa))
vty_out (vty, " area %s filter-list prefix %s in%s",
oa->name, PREFIX_NAME_IN (oa), VNL);
if (PREFIX_NAME_OUT (oa))
vty_out (vty, " area %s filter-list prefix %s out%s",
oa->name, PREFIX_NAME_OUT (oa), VNL);
if (IMPORT_NAME (oa))
vty_out (vty, " area %s import-list %s%s",
oa->name, IMPORT_NAME (oa), VNL);
if (EXPORT_NAME (oa))
vty_out (vty, " area %s export-list %s%s",
oa->name, EXPORT_NAME (oa), VNL);
}
}
DEFUN (area_filter_list,
area_filter_list_cmd,
"area A.B.C.D filter-list prefix WORD <in|out>",
"OSPF6 area parameters\n"
"OSPF6 area ID in IP address format\n"
"Filter networks between OSPF6 areas\n"
"Filter prefixes between OSPF6 areas\n"
"Name of an IPv6 prefix-list\n"
"Filter networks sent to this area\n"
"Filter networks sent from this area\n")
{
int idx_ipv4 = 1;
int idx_word = 4;
struct ospf6_area *area;
struct prefix_list *plist;
OSPF6_CMD_AREA_GET (argv[idx_ipv4]->arg, area);
plist = prefix_list_lookup (AFI_IP6, argv[idx_ipv4]->arg);
if (strncmp (argv[idx_word]->arg, "in", 2) == 0)
{
PREFIX_LIST_IN (area) = plist;
if (PREFIX_NAME_IN (area))
free (PREFIX_NAME_IN (area));
PREFIX_NAME_IN (area) = strdup (argv[idx_ipv4]->arg);
ospf6_abr_reimport (area);
}
else
{
PREFIX_LIST_OUT (area) = plist;
if (PREFIX_NAME_OUT (area))
free (PREFIX_NAME_OUT (area));
PREFIX_NAME_OUT (area) = strdup (argv[idx_ipv4]->arg);
ospf6_abr_enable_area (area);
}
return CMD_SUCCESS;
}
DEFUN (no_area_filter_list,
no_area_filter_list_cmd,
"no area A.B.C.D filter-list prefix WORD <in|out>",
NO_STR
"OSPF6 area parameters\n"
"OSPF6 area ID in IP address format\n"
"Filter networks between OSPF6 areas\n"
"Filter prefixes between OSPF6 areas\n"
"Name of an IPv6 prefix-list\n"
"Filter networks sent to this area\n"
"Filter networks sent from this area\n")
{
int idx_ipv4 = 2;
int idx_word = 5;
struct ospf6_area *area;
OSPF6_CMD_AREA_GET (argv[idx_ipv4]->arg, area);
if (strncmp (argv[idx_word]->arg, "in", 2) == 0)
{
if (PREFIX_NAME_IN (area))
if (strcmp (PREFIX_NAME_IN (area), argv[idx_ipv4]->arg) != 0)
return CMD_SUCCESS;
PREFIX_LIST_IN (area) = NULL;
if (PREFIX_NAME_IN (area))
free (PREFIX_NAME_IN (area));
PREFIX_NAME_IN (area) = NULL;
ospf6_abr_reimport (area);
}
else
{
if (PREFIX_NAME_OUT (area))
if (strcmp (PREFIX_NAME_OUT (area), argv[idx_ipv4]->arg) != 0)
return CMD_SUCCESS;
PREFIX_LIST_OUT (area) = NULL;
if (PREFIX_NAME_OUT (area))
free (PREFIX_NAME_OUT (area));
PREFIX_NAME_OUT (area) = NULL;
ospf6_abr_enable_area (area);
}
return CMD_SUCCESS;
}
DEFUN (area_import_list,
area_import_list_cmd,
"area A.B.C.D import-list NAME",
"OSPF6 area parameters\n"
"OSPF6 area ID in IP address format\n"
"Set the filter for networks from other areas announced to the specified one\n"
"Name of the acess-list\n")
{
int idx_ipv4 = 1;
int idx_name = 3;
struct ospf6_area *area;
struct access_list *list;
OSPF6_CMD_AREA_GET(argv[idx_ipv4]->arg, area);
list = access_list_lookup (AFI_IP6, argv[idx_name]->arg);
IMPORT_LIST (area) = list;
if (IMPORT_NAME (area))
free (IMPORT_NAME (area));
IMPORT_NAME (area) = strdup (argv[idx_name]->arg);
ospf6_abr_reimport (area);
return CMD_SUCCESS;
}
DEFUN (no_area_import_list,
no_area_import_list_cmd,
"no area A.B.C.D import-list NAME",
"OSPF6 area parameters\n"
"OSPF6 area ID in IP address format\n"
"Unset the filter for networks announced to other areas\n"
"NAme of the access-list\n")
{
int idx_ipv4 = 2;
struct ospf6_area *area;
OSPF6_CMD_AREA_GET(argv[idx_ipv4]->arg, area);
IMPORT_LIST (area) = 0;
if (IMPORT_NAME (area))
free (IMPORT_NAME (area));
IMPORT_NAME (area) = NULL;
ospf6_abr_reimport (area);
return CMD_SUCCESS;
}
DEFUN (area_export_list,
area_export_list_cmd,
"area A.B.C.D export-list NAME",
"OSPF6 area parameters\n"
"OSPF6 area ID in IP address format\n"
"Set the filter for networks announced to other areas\n"
"Name of the acess-list\n")
{
int idx_ipv4 = 1;
int idx_name = 3;
struct ospf6_area *area;
struct access_list *list;
OSPF6_CMD_AREA_GET(argv[idx_ipv4]->arg, area);
list = access_list_lookup (AFI_IP6, argv[idx_name]->arg);
EXPORT_LIST (area) = list;
if (EXPORT_NAME (area))
free (EXPORT_NAME (area));
EXPORT_NAME (area) = strdup (argv[idx_name]->arg);
ospf6_abr_enable_area (area);
return CMD_SUCCESS;
}
DEFUN (no_area_export_list,
no_area_export_list_cmd,
"no area A.B.C.D export-list NAME",
"OSPF6 area parameters\n"
"OSPF6 area ID in IP address format\n"
"Unset the filter for networks announced to other areas\n"
"Name of the access-list\n")
{
int idx_ipv4 = 2;
struct ospf6_area *area;
OSPF6_CMD_AREA_GET(argv[idx_ipv4]->arg, area);
EXPORT_LIST (area) = 0;
if (EXPORT_NAME (area))
free (EXPORT_NAME (area));
EXPORT_NAME (area) = NULL;
ospf6_abr_enable_area (area);
return CMD_SUCCESS;
}
DEFUN (show_ipv6_ospf6_spf_tree,
show_ipv6_ospf6_spf_tree_cmd,
"show ipv6 ospf6 spf tree",
SHOW_STR
IP6_STR
OSPF6_STR
"Shortest Path First caculation\n"
"Show SPF tree\n")
{
struct listnode *node;
struct ospf6_area *oa;
struct ospf6_vertex *root;
struct ospf6_route *route;
struct prefix prefix;
OSPF6_CMD_CHECK_RUNNING ();
ospf6_linkstate_prefix (ospf6->router_id, htonl (0), &prefix);
for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
{
route = ospf6_route_lookup (&prefix, oa->spf_table);
if (route == NULL)
{
vty_out (vty, "LS entry for root not found in area %s%s",
oa->name, VNL);
continue;
}
root = (struct ospf6_vertex *) route->route_option;
ospf6_spf_display_subtree (vty, "", 0, root);
}
return CMD_SUCCESS;
}
DEFUN (show_ipv6_ospf6_area_spf_tree,
show_ipv6_ospf6_area_spf_tree_cmd,
"show ipv6 ospf6 area A.B.C.D spf tree",
SHOW_STR
IP6_STR
OSPF6_STR
OSPF6_AREA_STR
OSPF6_AREA_ID_STR
"Shortest Path First caculation\n"
"Show SPF tree\n")
{
int idx_ipv4 = 4;
u_int32_t area_id;
struct ospf6_area *oa;
struct ospf6_vertex *root;
struct ospf6_route *route;
struct prefix prefix;
OSPF6_CMD_CHECK_RUNNING ();
ospf6_linkstate_prefix (ospf6->router_id, htonl (0), &prefix);
if (inet_pton (AF_INET, argv[idx_ipv4]->arg, &area_id) != 1)
{
vty_out (vty, "Malformed Area-ID: %s%s", argv[idx_ipv4]->arg, VNL);
return CMD_SUCCESS;
}
oa = ospf6_area_lookup (area_id, ospf6);
if (oa == NULL)
{
vty_out (vty, "No such Area: %s%s", argv[idx_ipv4]->arg, VNL);
return CMD_SUCCESS;
}
route = ospf6_route_lookup (&prefix, oa->spf_table);
if (route == NULL)
{
vty_out (vty, "LS entry for root not found in area %s%s",
oa->name, VNL);
return CMD_SUCCESS;
}
root = (struct ospf6_vertex *) route->route_option;
ospf6_spf_display_subtree (vty, "", 0, root);
return CMD_SUCCESS;
}
DEFUN (show_ipv6_ospf6_simulate_spf_tree_root,
show_ipv6_ospf6_simulate_spf_tree_root_cmd,
"show ipv6 ospf6 simulate spf-tree A.B.C.D area A.B.C.D",
SHOW_STR
IP6_STR
OSPF6_STR
"Shortest Path First caculation\n"
"Show SPF tree\n"
"Specify root's router-id to calculate another router's SPF tree\n")
{
int idx_ipv4 = 5;
int idx_ipv4_2 = 7;
u_int32_t area_id;
struct ospf6_area *oa;
struct ospf6_vertex *root;
struct ospf6_route *route;
struct prefix prefix;
u_int32_t router_id;
struct ospf6_route_table *spf_table;
unsigned char tmp_debug_ospf6_spf = 0;
OSPF6_CMD_CHECK_RUNNING ();
inet_pton (AF_INET, argv[idx_ipv4]->arg, &router_id);
ospf6_linkstate_prefix (router_id, htonl (0), &prefix);
if (inet_pton (AF_INET, argv[idx_ipv4_2]->arg, &area_id) != 1)
{
vty_out (vty, "Malformed Area-ID: %s%s", argv[idx_ipv4_2]->arg, VNL);
return CMD_SUCCESS;
}
oa = ospf6_area_lookup (area_id, ospf6);
if (oa == NULL)
{
vty_out (vty, "No such Area: %s%s", argv[idx_ipv4_2]->arg, VNL);
return CMD_SUCCESS;
}
tmp_debug_ospf6_spf = conf_debug_ospf6_spf;
conf_debug_ospf6_spf = 0;
spf_table = OSPF6_ROUTE_TABLE_CREATE (NONE, SPF_RESULTS);
ospf6_spf_calculation (router_id, spf_table, oa);
conf_debug_ospf6_spf = tmp_debug_ospf6_spf;
route = ospf6_route_lookup (&prefix, spf_table);
if (route == NULL)
{
ospf6_spf_table_finish (spf_table);
ospf6_route_table_delete (spf_table);
return CMD_SUCCESS;
}
root = (struct ospf6_vertex *) route->route_option;
ospf6_spf_display_subtree (vty, "", 0, root);
ospf6_spf_table_finish (spf_table);
ospf6_route_table_delete (spf_table);
return CMD_SUCCESS;
}
DEFUN (ospf6_area_stub,
ospf6_area_stub_cmd,
"area <A.B.C.D|(0-4294967295)> stub",
"OSPF6 area parameters\n"
"OSPF6 area ID in IP address format\n"
"OSPF6 area ID as a decimal value\n"
"Configure OSPF6 area as stub\n")
{
int idx_ipv4_number = 1;
struct ospf6_area *area;
OSPF6_CMD_AREA_GET(argv[idx_ipv4_number]->arg, area);
if (!ospf6_area_stub_set (ospf6, area))
{
vty_out (vty, "First deconfigure all virtual link through this area%s",
VTY_NEWLINE);
return CMD_WARNING;
}
ospf6_area_no_summary_unset (ospf6, area);
return CMD_SUCCESS;
}
DEFUN (ospf6_area_stub_no_summary,
ospf6_area_stub_no_summary_cmd,
"area <A.B.C.D|(0-4294967295)> stub no-summary",
"OSPF6 stub parameters\n"
"OSPF6 area ID in IP address format\n"
"OSPF6 area ID as a decimal value\n"
"Configure OSPF6 area as stub\n"
"Do not inject inter-area routes into stub\n")
{
int idx_ipv4_number = 1;
struct ospf6_area *area;
OSPF6_CMD_AREA_GET(argv[idx_ipv4_number]->arg, area);
if (!ospf6_area_stub_set (ospf6, area))
{
vty_out (vty, "First deconfigure all virtual link through this area%s",
VTY_NEWLINE);
return CMD_WARNING;
}
ospf6_area_no_summary_set (ospf6, area);
return CMD_SUCCESS;
}
DEFUN (no_ospf6_area_stub,
no_ospf6_area_stub_cmd,
"no area <A.B.C.D|(0-4294967295)> stub",
NO_STR
"OSPF6 area parameters\n"
"OSPF6 area ID in IP address format\n"
"OSPF6 area ID as a decimal value\n"
"Configure OSPF6 area as stub\n")
{
int idx_ipv4_number = 2;
struct ospf6_area *area;
OSPF6_CMD_AREA_GET(argv[idx_ipv4_number]->arg, area);
ospf6_area_stub_unset (ospf6, area);
ospf6_area_no_summary_unset (ospf6, area);
return CMD_SUCCESS;
}
DEFUN (no_ospf6_area_stub_no_summary,
no_ospf6_area_stub_no_summary_cmd,
"no area <A.B.C.D|(0-4294967295)> stub no-summary",
NO_STR
"OSPF6 area parameters\n"
"OSPF6 area ID in IP address format\n"
"OSPF6 area ID as a decimal value\n"
"Configure OSPF6 area as stub\n"
"Do not inject inter-area routes into area\n")
{
int idx_ipv4_number = 2;
struct ospf6_area *area;
OSPF6_CMD_AREA_GET(argv[idx_ipv4_number]->arg, area);
ospf6_area_stub_unset (ospf6, area);
ospf6_area_no_summary_unset (ospf6, area);
return CMD_SUCCESS;
}
void
ospf6_area_init (void)
{
install_element (VIEW_NODE, &show_ipv6_ospf6_spf_tree_cmd);
install_element (VIEW_NODE, &show_ipv6_ospf6_area_spf_tree_cmd);
install_element (VIEW_NODE, &show_ipv6_ospf6_simulate_spf_tree_root_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_spf_tree_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_area_spf_tree_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_simulate_spf_tree_root_cmd);
install_element (OSPF6_NODE, &area_range_cmd);
install_element (OSPF6_NODE, &no_area_range_cmd);
install_element (OSPF6_NODE, &ospf6_area_stub_no_summary_cmd);
install_element (OSPF6_NODE, &ospf6_area_stub_cmd);
install_element (OSPF6_NODE, &no_ospf6_area_stub_no_summary_cmd);
install_element (OSPF6_NODE, &no_ospf6_area_stub_cmd);
install_element (OSPF6_NODE, &area_import_list_cmd);
install_element (OSPF6_NODE, &no_area_import_list_cmd);
install_element (OSPF6_NODE, &area_export_list_cmd);
install_element (OSPF6_NODE, &no_area_export_list_cmd);
install_element (OSPF6_NODE, &area_filter_list_cmd);
install_element (OSPF6_NODE, &no_area_filter_list_cmd);
}
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