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mirror_frr/ospf6d/ospf6_top.c
Quentin Young 7111c1a0cd
*: fix excess docstring 
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
2017-07-05 15:33:00 -04:00

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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 this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include "log.h"
#include "memory.h"
#include "vty.h"
#include "linklist.h"
#include "prefix.h"
#include "table.h"
#include "thread.h"
#include "command.h"
#include "defaults.h"
#include "ospf6_proto.h"
#include "ospf6_message.h"
#include "ospf6_lsa.h"
#include "ospf6_lsdb.h"
#include "ospf6_route.h"
#include "ospf6_zebra.h"
#include "ospf6_top.h"
#include "ospf6_area.h"
#include "ospf6_interface.h"
#include "ospf6_neighbor.h"
#include "ospf6_flood.h"
#include "ospf6_asbr.h"
#include "ospf6_abr.h"
#include "ospf6_intra.h"
#include "ospf6_spf.h"
#include "ospf6d.h"
DEFINE_QOBJ_TYPE(ospf6)
/* global ospf6d variable */
struct ospf6 *ospf6;
static void ospf6_disable (struct ospf6 *o);
static void
ospf6_top_lsdb_hook_add (struct ospf6_lsa *lsa)
{
switch (ntohs (lsa->header->type))
{
case OSPF6_LSTYPE_AS_EXTERNAL:
ospf6_asbr_lsa_add (lsa);
break;
default:
break;
}
}
static void
ospf6_top_lsdb_hook_remove (struct ospf6_lsa *lsa)
{
switch (ntohs (lsa->header->type))
{
case OSPF6_LSTYPE_AS_EXTERNAL:
ospf6_asbr_lsa_remove (lsa);
break;
default:
break;
}
}
static void
ospf6_top_route_hook_add (struct ospf6_route *route)
{
ospf6_abr_originate_summary (route);
ospf6_zebra_route_update_add (route);
}
static void
ospf6_top_route_hook_remove (struct ospf6_route *route)
{
route->flag |= OSPF6_ROUTE_REMOVE;
ospf6_abr_originate_summary (route);
ospf6_zebra_route_update_remove (route);
}
static void
ospf6_top_brouter_hook_add (struct ospf6_route *route)
{
ospf6_abr_examin_brouter (ADV_ROUTER_IN_PREFIX (&route->prefix));
ospf6_asbr_lsentry_add (route);
ospf6_abr_originate_summary (route);
}
static void
ospf6_top_brouter_hook_remove (struct ospf6_route *route)
{
route->flag |= OSPF6_ROUTE_REMOVE;
ospf6_abr_examin_brouter (ADV_ROUTER_IN_PREFIX (&route->prefix));
ospf6_asbr_lsentry_remove (route);
ospf6_abr_originate_summary (route);
}
static struct ospf6 *
ospf6_create (void)
{
struct ospf6 *o;
o = XCALLOC (MTYPE_OSPF6_TOP, sizeof (struct ospf6));
/* initialize */
monotime(&o->starttime);
o->area_list = list_new ();
o->area_list->cmp = ospf6_area_cmp;
o->lsdb = ospf6_lsdb_create (o);
o->lsdb_self = ospf6_lsdb_create (o);
o->lsdb->hook_add = ospf6_top_lsdb_hook_add;
o->lsdb->hook_remove = ospf6_top_lsdb_hook_remove;
o->spf_delay = OSPF_SPF_DELAY_DEFAULT;
o->spf_holdtime = OSPF_SPF_HOLDTIME_DEFAULT;
o->spf_max_holdtime = OSPF_SPF_MAX_HOLDTIME_DEFAULT;
o->spf_hold_multiplier = 1;
/* LSA timers value init */
o->lsa_minarrival = OSPF_MIN_LS_ARRIVAL;
o->route_table = OSPF6_ROUTE_TABLE_CREATE (GLOBAL, ROUTES);
o->route_table->scope = o;
o->route_table->hook_add = ospf6_top_route_hook_add;
o->route_table->hook_remove = ospf6_top_route_hook_remove;
o->brouter_table = OSPF6_ROUTE_TABLE_CREATE (GLOBAL, BORDER_ROUTERS);
o->brouter_table->scope = o;
o->brouter_table->hook_add = ospf6_top_brouter_hook_add;
o->brouter_table->hook_remove = ospf6_top_brouter_hook_remove;
o->external_table = OSPF6_ROUTE_TABLE_CREATE (GLOBAL, EXTERNAL_ROUTES);
o->external_table->scope = o;
o->external_id_table = route_table_init ();
o->ref_bandwidth = OSPF6_REFERENCE_BANDWIDTH;
o->distance_table = route_table_init ();
/* Enable "log-adjacency-changes" */
#if DFLT_OSPF6_LOG_ADJACENCY_CHANGES
SET_FLAG(o->config_flags, OSPF6_LOG_ADJACENCY_CHANGES);
#endif
QOBJ_REG (o, ospf6);
return o;
}
void
ospf6_delete (struct ospf6 *o)
{
struct listnode *node, *nnode;
struct ospf6_area *oa;
QOBJ_UNREG (o);
ospf6_disable (ospf6);
for (ALL_LIST_ELEMENTS (o->area_list, node, nnode, oa))
ospf6_area_delete (oa);
list_delete (o->area_list);
ospf6_lsdb_delete (o->lsdb);
ospf6_lsdb_delete (o->lsdb_self);
ospf6_route_table_delete (o->route_table);
ospf6_route_table_delete (o->brouter_table);
ospf6_route_table_delete (o->external_table);
route_table_finish (o->external_id_table);
ospf6_distance_reset (o);
route_table_finish (o->distance_table);
XFREE (MTYPE_OSPF6_TOP, o);
}
static void
ospf6_disable (struct ospf6 *o)
{
struct listnode *node, *nnode;
struct ospf6_area *oa;
if (! CHECK_FLAG (o->flag, OSPF6_DISABLED))
{
SET_FLAG (o->flag, OSPF6_DISABLED);
for (ALL_LIST_ELEMENTS (o->area_list, node, nnode, oa))
ospf6_area_disable (oa);
/* XXX: This also changes persistent settings */
ospf6_asbr_redistribute_reset();
ospf6_lsdb_remove_all (o->lsdb);
ospf6_route_remove_all (o->route_table);
ospf6_route_remove_all (o->brouter_table);
THREAD_OFF(o->maxage_remover);
THREAD_OFF(o->t_spf_calc);
THREAD_OFF(o->t_ase_calc);
}
}
static int
ospf6_maxage_remover (struct thread *thread)
{
struct ospf6 *o = (struct ospf6 *) THREAD_ARG (thread);
struct ospf6_area *oa;
struct ospf6_interface *oi;
struct ospf6_neighbor *on;
struct listnode *i, *j, *k;
int reschedule = 0;
o->maxage_remover = (struct thread *) NULL;
for (ALL_LIST_ELEMENTS_RO (o->area_list, i, oa))
{
for (ALL_LIST_ELEMENTS_RO (oa->if_list, j, oi))
{
for (ALL_LIST_ELEMENTS_RO (oi->neighbor_list, k, on))
{
if (on->state != OSPF6_NEIGHBOR_EXCHANGE &&
on->state != OSPF6_NEIGHBOR_LOADING)
continue;
ospf6_maxage_remove (o);
return 0;
}
}
}
for (ALL_LIST_ELEMENTS_RO (o->area_list, i, oa))
{
for (ALL_LIST_ELEMENTS_RO (oa->if_list, j, oi))
{
if (ospf6_lsdb_maxage_remover (oi->lsdb))
{
reschedule = 1;
}
}
if (ospf6_lsdb_maxage_remover (oa->lsdb))
{
reschedule = 1;
}
}
if (ospf6_lsdb_maxage_remover (o->lsdb))
{
reschedule = 1;
}
if (reschedule)
{
ospf6_maxage_remove (o);
}
return 0;
}
void
ospf6_maxage_remove (struct ospf6 *o)
{
if (o)
thread_add_timer(master, ospf6_maxage_remover, o, OSPF_LSA_MAXAGE_REMOVE_DELAY_DEFAULT,
&o->maxage_remover);
}
/* start ospf6 */
DEFUN_NOSH (router_ospf6,
router_ospf6_cmd,
"router ospf6",
ROUTER_STR
OSPF6_STR)
{
if (ospf6 == NULL)
ospf6 = ospf6_create ();
/* set current ospf point. */
VTY_PUSH_CONTEXT(OSPF6_NODE, ospf6);
return CMD_SUCCESS;
}
/* stop ospf6 */
DEFUN (no_router_ospf6,
no_router_ospf6_cmd,
"no router ospf6",
NO_STR
ROUTER_STR
OSPF6_STR)
{
if (ospf6 == NULL)
vty_out (vty, "OSPFv3 is not configured%s", VNL);
else
{
ospf6_delete (ospf6);
ospf6 = NULL;
}
/* return to config node . */
VTY_PUSH_CONTEXT_NULL(CONFIG_NODE);
return CMD_SUCCESS;
}
/* change Router_ID commands. */
DEFUN (ospf6_router_id,
ospf6_router_id_cmd,
"router-id A.B.C.D",
"Configure OSPF Router-ID\n"
V4NOTATION_STR)
{
VTY_DECLVAR_CONTEXT(ospf6, o);
int idx_ipv4 = 1;
int ret;
u_int32_t router_id;
ret = inet_pton (AF_INET, argv[idx_ipv4]->arg, &router_id);
if (ret == 0)
{
vty_out (vty, "malformed OSPF Router-ID: %s%s", argv[idx_ipv4]->arg, VNL);
return CMD_SUCCESS;
}
o->router_id_static = router_id;
if (o->router_id == 0)
o->router_id = router_id;
return CMD_SUCCESS;
}
DEFUN (ospf6_log_adjacency_changes,
ospf6_log_adjacency_changes_cmd,
"log-adjacency-changes",
"Log changes in adjacency state\n")
{
VTY_DECLVAR_CONTEXT(ospf6, ospf6);
SET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_CHANGES);
UNSET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_DETAIL);
return CMD_SUCCESS;
}
DEFUN (ospf6_log_adjacency_changes_detail,
ospf6_log_adjacency_changes_detail_cmd,
"log-adjacency-changes detail",
"Log changes in adjacency state\n"
"Log all state changes\n")
{
VTY_DECLVAR_CONTEXT(ospf6, ospf6);
SET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_CHANGES);
SET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_DETAIL);
return CMD_SUCCESS;
}
DEFUN (no_ospf6_log_adjacency_changes,
no_ospf6_log_adjacency_changes_cmd,
"no log-adjacency-changes",
NO_STR
"Log changes in adjacency state\n")
{
VTY_DECLVAR_CONTEXT(ospf6, ospf6);
UNSET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_DETAIL);
UNSET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_CHANGES);
return CMD_SUCCESS;
}
DEFUN (no_ospf6_log_adjacency_changes_detail,
no_ospf6_log_adjacency_changes_detail_cmd,
"no log-adjacency-changes detail",
NO_STR
"Log changes in adjacency state\n"
"Log all state changes\n")
{
VTY_DECLVAR_CONTEXT(ospf6, ospf6);
UNSET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_DETAIL);
return CMD_SUCCESS;
}
DEFUN (ospf6_timers_lsa,
ospf6_timers_lsa_cmd,
"timers lsa min-arrival (0-600000)",
"Adjust routing timers\n"
"OSPF6 LSA timers\n"
"Minimum delay in receiving new version of a LSA\n"
"Delay in milliseconds\n")
{
VTY_DECLVAR_CONTEXT(ospf6, ospf);
int idx_number = 3;
unsigned int minarrival;
minarrival = strtoul(argv[idx_number]->arg, NULL, 10);
ospf->lsa_minarrival = minarrival;
return CMD_SUCCESS;
}
DEFUN (no_ospf6_timers_lsa,
no_ospf6_timers_lsa_cmd,
"no timers lsa min-arrival [(0-600000)]",
NO_STR
"Adjust routing timers\n"
"OSPF6 LSA timers\n"
"Minimum delay in receiving new version of a LSA\n"
"Delay in milliseconds\n")
{
VTY_DECLVAR_CONTEXT(ospf6, ospf);
int idx_number = 4;
unsigned int minarrival;
if (argc == 5)
{
minarrival = strtoul(argv[idx_number]->arg, NULL, 10);
if (ospf->lsa_minarrival != minarrival ||
minarrival == OSPF_MIN_LS_ARRIVAL)
return CMD_SUCCESS;
}
ospf->lsa_minarrival = OSPF_MIN_LS_ARRIVAL;
return CMD_SUCCESS;
}
DEFUN (ospf6_distance,
ospf6_distance_cmd,
"distance (1-255)",
"Administrative distance\n"
"OSPF6 Administrative distance\n")
{
VTY_DECLVAR_CONTEXT(ospf6, o);
o->distance_all = atoi (argv[1]->arg);
return CMD_SUCCESS;
}
DEFUN (no_ospf6_distance,
no_ospf6_distance_cmd,
"no distance (1-255)",
NO_STR
"Administrative distance\n"
"OSPF6 Administrative distance\n")
{
VTY_DECLVAR_CONTEXT(ospf6, o);
o->distance_all = 0;
return CMD_SUCCESS;
}
DEFUN (ospf6_distance_ospf6,
ospf6_distance_ospf6_cmd,
"distance ospf6 {intra-area (1-255)|inter-area (1-255)|external (1-255)}",
"Administrative distance\n"
"OSPF6 administrative distance\n"
"Intra-area routes\n"
"Distance for intra-area routes\n"
"Inter-area routes\n"
"Distance for inter-area routes\n"
"External routes\n"
"Distance for external routes\n")
{
VTY_DECLVAR_CONTEXT(ospf6, o);
int idx = 0;
if (argv_find (argv, argc, "intra-area", &idx))
o->distance_intra = atoi(argv[idx + 1]->arg);
idx = 0;
if (argv_find (argv, argc, "inter-area", &idx))
o->distance_inter = atoi(argv[idx + 1]->arg);
idx = 0;
if (argv_find (argv, argc, "external", &idx))
o->distance_external = atoi(argv[idx + 1]->arg);
return CMD_SUCCESS;
}
DEFUN (no_ospf6_distance_ospf6,
no_ospf6_distance_ospf6_cmd,
"no distance ospf6 [{intra-area [(1-255)]|inter-area [(1-255)]|external [(1-255)]}]",
NO_STR
"Administrative distance\n"
"OSPF6 distance\n"
"Intra-area routes\n"
"Distance for intra-area routes\n"
"Inter-area routes\n"
"Distance for inter-area routes\n"
"External routes\n"
"Distance for external routes\n")
{
VTY_DECLVAR_CONTEXT(ospf6, o);
int idx = 0;
if (argv_find (argv, argc, "intra-area", &idx) || argc == 3)
idx = o->distance_intra = 0;
if (argv_find (argv, argc, "inter-area", &idx) || argc == 3)
idx = o->distance_inter = 0;
if (argv_find (argv, argc, "external", &idx) || argc == 3)
o->distance_external = 0;
return CMD_SUCCESS;
}
#if 0
DEFUN (ospf6_distance_source,
ospf6_distance_source_cmd,
"distance (1-255) X:X::X:X/M [WORD]",
"Administrative distance\n"
"Distance value\n"
"IP source prefix\n"
"Access list name\n")
{
VTY_DECLVAR_CONTEXT(ospf6, o);
char *alname = (argc == 4) ? argv[3]->arg : NULL;
ospf6_distance_set (vty, o, argv[1]->arg, argv[2]->arg, alname);
return CMD_SUCCESS;
}
DEFUN (no_ospf6_distance_source,
no_ospf6_distance_source_cmd,
"no distance (1-255) X:X::X:X/M [WORD]",
NO_STR
"Administrative distance\n"
"Distance value\n"
"IP source prefix\n"
"Access list name\n")
{
VTY_DECLVAR_CONTEXT(ospf6, o);
char *alname = (argc == 5) ? argv[4]->arg : NULL;
ospf6_distance_unset (vty, o, argv[2]->arg, argv[3]->arg, alname);
return CMD_SUCCESS;
}
#endif
DEFUN (ospf6_interface_area,
ospf6_interface_area_cmd,
"interface IFNAME area A.B.C.D",
"Enable routing on an IPv6 interface\n"
IFNAME_STR
"Specify the OSPF6 area ID\n"
"OSPF6 area ID in IPv4 address notation\n"
)
{
VTY_DECLVAR_CONTEXT(ospf6, o);
int idx_ifname = 1;
int idx_ipv4 = 3;
struct ospf6_area *oa;
struct ospf6_interface *oi;
struct interface *ifp;
u_int32_t area_id;
/* find/create ospf6 interface */
ifp = if_get_by_name (argv[idx_ifname]->arg, VRF_DEFAULT);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
if (oi->area)
{
vty_out (vty, "%s already attached to Area %s%s",
oi->interface->name, oi->area->name, VNL);
return CMD_SUCCESS;
}
/* parse Area-ID */
if (inet_pton (AF_INET, argv[idx_ipv4]->arg, &area_id) != 1)
{
vty_out (vty, "Invalid Area-ID: %s%s", argv[idx_ipv4]->arg, VNL);
return CMD_SUCCESS;
}
/* find/create ospf6 area */
oa = ospf6_area_lookup (area_id, o);
if (oa == NULL)
oa = ospf6_area_create (area_id, o, OSPF6_AREA_FMT_DOTTEDQUAD);
/* attach interface to area */
listnode_add (oa->if_list, oi); /* sort ?? */
oi->area = oa;
SET_FLAG (oa->flag, OSPF6_AREA_ENABLE);
/* ospf6 process is currently disabled, not much more to do */
if (CHECK_FLAG (o->flag, OSPF6_DISABLED))
return CMD_SUCCESS;
/* start up */
ospf6_interface_enable (oi);
/* If the router is ABR, originate summary routes */
if (ospf6_is_router_abr (o))
ospf6_abr_enable_area (oa);
return CMD_SUCCESS;
}
DEFUN (no_ospf6_interface_area,
no_ospf6_interface_area_cmd,
"no interface IFNAME area A.B.C.D",
NO_STR
"Disable routing on an IPv6 interface\n"
IFNAME_STR
"Specify the OSPF6 area ID\n"
"OSPF6 area ID in IPv4 address notation\n"
)
{
int idx_ifname = 2;
int idx_ipv4 = 4;
struct ospf6_interface *oi;
struct ospf6_area *oa;
struct interface *ifp;
u_int32_t area_id;
ifp = if_lookup_by_name (argv[idx_ifname]->arg, VRF_DEFAULT);
if (ifp == NULL)
{
vty_out (vty, "No such interface %s%s", argv[idx_ifname]->arg, VNL);
return CMD_SUCCESS;
}
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
{
vty_out (vty, "Interface %s not enabled%s", ifp->name, VNL);
return CMD_SUCCESS;
}
/* parse Area-ID */
if (inet_pton (AF_INET, argv[idx_ipv4]->arg, &area_id) != 1)
{
vty_out (vty, "Invalid Area-ID: %s%s", argv[idx_ipv4]->arg, VNL);
return CMD_SUCCESS;
}
/* Verify Area */
if (oi->area == NULL)
{
vty_out (vty, "No such Area-ID: %s%s", argv[idx_ipv4]->arg, VNL);
return CMD_SUCCESS;
}
if (oi->area->area_id != area_id)
{
vty_out (vty, "Wrong Area-ID: %s is attached to area %s%s",
oi->interface->name, oi->area->name, VNL);
return CMD_SUCCESS;
}
thread_execute (master, interface_down, oi, 0);
oa = oi->area;
listnode_delete (oi->area->if_list, oi);
oi->area = (struct ospf6_area *) NULL;
/* Withdraw inter-area routes from this area, if necessary */
if (oa->if_list->count == 0)
{
UNSET_FLAG (oa->flag, OSPF6_AREA_ENABLE);
ospf6_abr_disable_area (oa);
}
return CMD_SUCCESS;
}
DEFUN (ospf6_stub_router_admin,
ospf6_stub_router_admin_cmd,
"stub-router administrative",
"Make router a stub router\n"
"Administratively applied, for an indefinite period\n")
{
struct listnode *node;
struct ospf6_area *oa;
if (!CHECK_FLAG (ospf6->flag, OSPF6_STUB_ROUTER))
{
for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
{
OSPF6_OPT_CLEAR (oa->options, OSPF6_OPT_V6);
OSPF6_OPT_CLEAR (oa->options, OSPF6_OPT_R);
OSPF6_ROUTER_LSA_SCHEDULE (oa);
}
SET_FLAG (ospf6->flag, OSPF6_STUB_ROUTER);
}
return CMD_SUCCESS;
}
DEFUN (no_ospf6_stub_router_admin,
no_ospf6_stub_router_admin_cmd,
"no stub-router administrative",
NO_STR
"Make router a stub router\n"
"Administratively applied, for an indefinite period\n")
{
struct listnode *node;
struct ospf6_area *oa;
if (CHECK_FLAG (ospf6->flag, OSPF6_STUB_ROUTER))
{
for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, node, oa))
{
OSPF6_OPT_SET (oa->options, OSPF6_OPT_V6);
OSPF6_OPT_SET (oa->options, OSPF6_OPT_R);
OSPF6_ROUTER_LSA_SCHEDULE (oa);
}
UNSET_FLAG (ospf6->flag, OSPF6_STUB_ROUTER);
}
return CMD_SUCCESS;
}
#if 0
DEFUN (ospf6_stub_router_startup,
ospf6_stub_router_startup_cmd,
"stub-router on-startup (5-86400)",
"Make router a stub router\n"
"Advertise inability to be a transit router\n"
"Automatically advertise as stub-router on startup of OSPF6\n"
"Time (seconds) to advertise self as stub-router\n")
{
return CMD_SUCCESS;
}
DEFUN (no_ospf6_stub_router_startup,
no_ospf6_stub_router_startup_cmd,
"no stub-router on-startup",
NO_STR
"Make router a stub router\n"
"Advertise inability to be a transit router\n"
"Automatically advertise as stub-router on startup of OSPF6\n"
"Time (seconds) to advertise self as stub-router\n")
{
return CMD_SUCCESS;
}
DEFUN (ospf6_stub_router_shutdown,
ospf6_stub_router_shutdown_cmd,
"stub-router on-shutdown (5-86400)",
"Make router a stub router\n"
"Advertise inability to be a transit router\n"
"Automatically advertise as stub-router before shutdown\n"
"Time (seconds) to advertise self as stub-router\n")
{
return CMD_SUCCESS;
}
DEFUN (no_ospf6_stub_router_shutdown,
no_ospf6_stub_router_shutdown_cmd,
"no stub-router on-shutdown",
NO_STR
"Make router a stub router\n"
"Advertise inability to be a transit router\n"
"Automatically advertise as stub-router before shutdown\n"
"Time (seconds) to advertise self as stub-router\n")
{
return CMD_SUCCESS;
}
#endif
static void
ospf6_show (struct vty *vty, struct ospf6 *o)
{
struct listnode *n;
struct ospf6_area *oa;
char router_id[16], duration[32];
struct timeval now, running, result;
char buf[32], rbuf[32];
/* process id, router id */
inet_ntop (AF_INET, &o->router_id, router_id, sizeof (router_id));
vty_out (vty, " OSPFv3 Routing Process (0) with Router-ID %s%s",
router_id, VNL);
/* running time */
monotime(&now);
timersub (&now, &o->starttime, &running);
timerstring (&running, duration, sizeof (duration));
vty_out (vty, " Running %s%s", duration, VNL);
/* Redistribute configuration */
/* XXX */
vty_outln (vty, " LSA minimum arrival %d msecs",o->lsa_minarrival);
/* Show SPF parameters */
vty_out(vty, " Initial SPF scheduling delay %d millisec(s)%s"
" Minimum hold time between consecutive SPFs %d millsecond(s)%s"
" Maximum hold time between consecutive SPFs %d millsecond(s)%s"
" Hold time multiplier is currently %d%s",
o->spf_delay, VNL,
o->spf_holdtime, VNL,
o->spf_max_holdtime, VNL,
o->spf_hold_multiplier, VNL);
vty_out(vty, " SPF algorithm ");
if (o->ts_spf.tv_sec || o->ts_spf.tv_usec)
{
timersub(&now, &o->ts_spf, &result);
timerstring(&result, buf, sizeof(buf));
ospf6_spf_reason_string(o->last_spf_reason, rbuf, sizeof(rbuf));
vty_out(vty, "last executed %s ago, reason %s%s", buf, rbuf, VNL);
vty_out (vty, " Last SPF duration %lld sec %lld usec%s",
(long long)o->ts_spf_duration.tv_sec,
(long long)o->ts_spf_duration.tv_usec, VNL);
}
else
vty_out(vty, "has not been run$%s", VNL);
threadtimer_string(now, o->t_spf_calc, buf, sizeof(buf));
vty_out (vty, " SPF timer %s%s%s",
(o->t_spf_calc ? "due in " : "is "), buf, VNL);
if (CHECK_FLAG (o->flag, OSPF6_STUB_ROUTER))
vty_out (vty, " Router Is Stub Router%s", VNL);
/* LSAs */
vty_out (vty, " Number of AS scoped LSAs is %u%s",
o->lsdb->count, VNL);
/* Areas */
vty_out (vty, " Number of areas in this router is %u%s",
listcount (o->area_list), VNL);
if (CHECK_FLAG(o->config_flags, OSPF6_LOG_ADJACENCY_CHANGES))
{
if (CHECK_FLAG(o->config_flags, OSPF6_LOG_ADJACENCY_DETAIL))
vty_outln (vty, " All adjacency changes are logged");
else
vty_outln (vty, " Adjacency changes are logged");
}
vty_out (vty, VTYNL);
for (ALL_LIST_ELEMENTS_RO (o->area_list, n, oa))
ospf6_area_show (vty, oa);
}
/* show top level structures */
DEFUN (show_ipv6_ospf6,
show_ipv6_ospf6_cmd,
"show ipv6 ospf6",
SHOW_STR
IP6_STR
OSPF6_STR)
{
OSPF6_CMD_CHECK_RUNNING ();
ospf6_show (vty, ospf6);
return CMD_SUCCESS;
}
DEFUN (show_ipv6_ospf6_route,
show_ipv6_ospf6_route_cmd,
"show ipv6 ospf6 route [<intra-area|inter-area|external-1|external-2|X:X::X:X|X:X::X:X/M|detail|summary>]",
SHOW_STR
IP6_STR
OSPF6_STR
ROUTE_STR
"Display Intra-Area routes\n"
"Display Inter-Area routes\n"
"Display Type-1 External routes\n"
"Display Type-2 External routes\n"
"Specify IPv6 address\n"
"Specify IPv6 prefix\n"
"Detailed information\n"
"Summary of route table\n")
{
OSPF6_CMD_CHECK_RUNNING ();
ospf6_route_table_show (vty, 4, argc, argv, ospf6->route_table);
return CMD_SUCCESS;
}
DEFUN (show_ipv6_ospf6_route_match,
show_ipv6_ospf6_route_match_cmd,
"show ipv6 ospf6 route X:X::X:X/M <match|longer>",
SHOW_STR
IP6_STR
OSPF6_STR
ROUTE_STR
"Specify IPv6 prefix\n"
"Display routes which match the specified route\n"
"Display routes longer than the specified route\n")
{
OSPF6_CMD_CHECK_RUNNING ();
ospf6_route_table_show (vty, 4, argc, argv, ospf6->route_table);
return CMD_SUCCESS;
}
DEFUN (show_ipv6_ospf6_route_match_detail,
show_ipv6_ospf6_route_match_detail_cmd,
"show ipv6 ospf6 route X:X::X:X/M match detail",
SHOW_STR
IP6_STR
OSPF6_STR
ROUTE_STR
"Specify IPv6 prefix\n"
"Display routes which match the specified route\n"
"Detailed information\n"
)
{
OSPF6_CMD_CHECK_RUNNING ();
ospf6_route_table_show (vty, 4, argc, argv, ospf6->route_table);
return CMD_SUCCESS;
}
DEFUN (show_ipv6_ospf6_route_type_detail,
show_ipv6_ospf6_route_type_detail_cmd,
"show ipv6 ospf6 route <intra-area|inter-area|external-1|external-2> detail",
SHOW_STR
IP6_STR
OSPF6_STR
ROUTE_STR
"Display Intra-Area routes\n"
"Display Inter-Area routes\n"
"Display Type-1 External routes\n"
"Display Type-2 External routes\n"
"Detailed information\n"
)
{
OSPF6_CMD_CHECK_RUNNING ();
ospf6_route_table_show (vty, 4, argc, argv, ospf6->route_table);
return CMD_SUCCESS;
}
static void
ospf6_stub_router_config_write (struct vty *vty)
{
if (CHECK_FLAG (ospf6->flag, OSPF6_STUB_ROUTER))
{
vty_out (vty, " stub-router administrative%s", VNL);
}
return;
}
static int
ospf6_distance_config_write (struct vty *vty)
{
struct route_node *rn;
struct ospf6_distance *odistance;
if (ospf6->distance_all)
vty_outln (vty, " distance %u", ospf6->distance_all);
if (ospf6->distance_intra
|| ospf6->distance_inter
|| ospf6->distance_external)
{
vty_out (vty, " distance ospf6");
if (ospf6->distance_intra)
vty_out (vty, " intra-area %u", ospf6->distance_intra);
if (ospf6->distance_inter)
vty_out (vty, " inter-area %u", ospf6->distance_inter);
if (ospf6->distance_external)
vty_out (vty, " external %u", ospf6->distance_external);
vty_out (vty, VTYNL);
}
for (rn = route_top (ospf6->distance_table); rn; rn = route_next (rn))
if ((odistance = rn->info) != NULL)
{
char buf[PREFIX_STRLEN];
vty_outln (vty, " distance %u %s %s", odistance->distance,
prefix2str (&rn->p, buf, sizeof (buf)),
odistance->access_list ? odistance->access_list : "");
}
return 0;
}
/* OSPF configuration write function. */
static int
config_write_ospf6 (struct vty *vty)
{
char router_id[16];
struct listnode *j, *k;
struct ospf6_area *oa;
struct ospf6_interface *oi;
/* OSPFv3 configuration. */
if (ospf6 == NULL)
return CMD_SUCCESS;
inet_ntop (AF_INET, &ospf6->router_id_static, router_id, sizeof (router_id));
vty_out (vty, "router ospf6%s", VNL);
if (ospf6->router_id_static != 0)
vty_out (vty, " router-id %s%s", router_id, VNL);
/* log-adjacency-changes flag print. */
if (CHECK_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_CHANGES))
{
if (CHECK_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_DETAIL))
vty_outln (vty, " log-adjacency-changes detail");
else if (!DFLT_OSPF6_LOG_ADJACENCY_CHANGES)
vty_outln (vty, " log-adjacency-changes");
}
else if (DFLT_OSPF6_LOG_ADJACENCY_CHANGES)
{
vty_outln (vty, " no log-adjacency-changes");
}
if (ospf6->ref_bandwidth != OSPF6_REFERENCE_BANDWIDTH)
vty_out (vty, " auto-cost reference-bandwidth %d%s", ospf6->ref_bandwidth,
VNL);
/* LSA timers print. */
if (ospf6->lsa_minarrival != OSPF_MIN_LS_ARRIVAL)
vty_outln (vty, " timers lsa min-arrival %d",ospf6->lsa_minarrival);
ospf6_stub_router_config_write (vty);
ospf6_redistribute_config_write (vty);
ospf6_area_config_write (vty);
ospf6_spf_config_write (vty);
ospf6_distance_config_write (vty);
for (ALL_LIST_ELEMENTS_RO (ospf6->area_list, j, oa))
{
for (ALL_LIST_ELEMENTS_RO (oa->if_list, k, oi))
vty_out (vty, " interface %s area %s%s",
oi->interface->name, oa->name, VNL);
}
vty_out (vty, "!%s", VNL);
return 0;
}
/* OSPF6 node structure. */
static struct cmd_node ospf6_node =
{
OSPF6_NODE,
"%s(config-ospf6)# ",
1 /* VTYSH */
};
/* Install ospf related commands. */
void
ospf6_top_init (void)
{
/* Install ospf6 top node. */
install_node (&ospf6_node, config_write_ospf6);
install_element (VIEW_NODE, &show_ipv6_ospf6_cmd);
install_element (CONFIG_NODE, &router_ospf6_cmd);
install_element (CONFIG_NODE, &no_router_ospf6_cmd);
install_element (VIEW_NODE, &show_ipv6_ospf6_route_cmd);
install_element (VIEW_NODE, &show_ipv6_ospf6_route_match_cmd);
install_element (VIEW_NODE, &show_ipv6_ospf6_route_match_detail_cmd);
install_element (VIEW_NODE, &show_ipv6_ospf6_route_type_detail_cmd);
install_default (OSPF6_NODE);
install_element (OSPF6_NODE, &ospf6_router_id_cmd);
install_element (OSPF6_NODE, &ospf6_log_adjacency_changes_cmd);
install_element (OSPF6_NODE, &ospf6_log_adjacency_changes_detail_cmd);
install_element (OSPF6_NODE, &no_ospf6_log_adjacency_changes_cmd);
install_element (OSPF6_NODE, &no_ospf6_log_adjacency_changes_detail_cmd);
/* LSA timers commands */
install_element (OSPF6_NODE, &ospf6_timers_lsa_cmd);
install_element (OSPF6_NODE, &no_ospf6_timers_lsa_cmd);
install_element (OSPF6_NODE, &ospf6_interface_area_cmd);
install_element (OSPF6_NODE, &no_ospf6_interface_area_cmd);
install_element (OSPF6_NODE, &ospf6_stub_router_admin_cmd);
install_element (OSPF6_NODE, &no_ospf6_stub_router_admin_cmd);
/* For a later time */
#if 0
install_element (OSPF6_NODE, &ospf6_stub_router_startup_cmd);
install_element (OSPF6_NODE, &no_ospf6_stub_router_startup_cmd);
install_element (OSPF6_NODE, &ospf6_stub_router_shutdown_cmd);
install_element (OSPF6_NODE, &no_ospf6_stub_router_shutdown_cmd);
#endif
install_element (OSPF6_NODE, &ospf6_distance_cmd);
install_element (OSPF6_NODE, &no_ospf6_distance_cmd);
install_element (OSPF6_NODE, &ospf6_distance_ospf6_cmd);
install_element (OSPF6_NODE, &no_ospf6_distance_ospf6_cmd);
#if 0
install_element (OSPF6_NODE, &ospf6_distance_source_cmd);
install_element (OSPF6_NODE, &no_ospf6_distance_source_cmd);
#endif
}
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