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ospf6_top.c
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ospf6_top.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2003 Yasuhiro Ohara
*/
#include <zebra.h>
#include "log.h"
#include "memory.h"
#include "vty.h"
#include "linklist.h"
#include "prefix.h"
#include "table.h"
#include "frrevent.h"
#include "command.h"
#include "defaults.h"
#include "lib/json.h"
#include "lib_errors.h"
#include "frrdistance.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_network.h"
#include "ospf6_flood.h"
#include "ospf6_asbr.h"
#include "ospf6_abr.h"
#include "ospf6_intra.h"
#include "ospf6_spf.h"
#include "ospf6d.h"
#include "ospf6_gr.h"
#include "lib/json.h"
#include "ospf6_nssa.h"
#include "ospf6_auth_trailer.h"
DEFINE_MTYPE_STATIC(OSPF6D, OSPF6_TOP, "OSPF6 top");
DEFINE_QOBJ_TYPE(ospf6);
FRR_CFG_DEFAULT_BOOL(OSPF6_LOG_ADJACENCY_CHANGES,
{ .val_bool = true, .match_profile = "datacenter", },
{ .val_bool = false },
);
#include "ospf6d/ospf6_top_clippy.c"
/* global ospf6d variable */
static struct ospf6_master ospf6_master;
struct ospf6_master *om6;
static void ospf6_disable(struct ospf6 *o);
static void ospf6_add(struct ospf6 *ospf6)
{
listnode_add(om6->ospf6, ospf6);
}
static void ospf6_del(struct ospf6 *ospf6)
{
listnode_delete(om6->ospf6, ospf6);
}
const char *ospf6_vrf_id_to_name(vrf_id_t vrf_id)
{
struct vrf *vrf = vrf_lookup_by_id(vrf_id);
return vrf ? vrf->name : "NIL";
}
/* Link OSPF instance to VRF. */
void ospf6_vrf_link(struct ospf6 *ospf6, struct vrf *vrf)
{
ospf6->vrf_id = vrf->vrf_id;
if (vrf->info != (void *)ospf6)
vrf->info = (void *)ospf6;
}
/* Unlink OSPF instance from VRF. */
void ospf6_vrf_unlink(struct ospf6 *ospf6, struct vrf *vrf)
{
if (vrf->info == (void *)ospf6)
vrf->info = NULL;
ospf6->vrf_id = VRF_UNKNOWN;
}
struct ospf6 *ospf6_lookup_by_vrf_id(vrf_id_t vrf_id)
{
struct vrf *vrf = NULL;
vrf = vrf_lookup_by_id(vrf_id);
if (!vrf)
return NULL;
return (vrf->info) ? (struct ospf6 *)vrf->info : NULL;
}
struct ospf6 *ospf6_lookup_by_vrf_name(const char *name)
{
struct ospf6 *o = NULL;
struct listnode *node, *nnode;
for (ALL_LIST_ELEMENTS(om6->ospf6, node, nnode, o)) {
if (((o->name == NULL && name == NULL)
|| (o->name && name && strcmp(o->name, name) == 0)))
return o;
}
return NULL;
}
/* This is hook function for vrf create called as part of vrf_init */
static int ospf6_vrf_new(struct vrf *vrf)
{
return 0;
}
/* This is hook function for vrf delete call as part of vrf_init */
static int ospf6_vrf_delete(struct vrf *vrf)
{
return 0;
}
static void ospf6_set_redist_vrf_bitmaps(struct ospf6 *ospf6, bool set)
{
int type;
struct list *red_list;
for (type = 0; type < ZEBRA_ROUTE_MAX; type++) {
red_list = ospf6->redist[type];
if (!red_list)
continue;
if (IS_OSPF6_DEBUG_ZEBRA(RECV))
zlog_debug(
"%s: setting redist vrf %d bitmap for type %d",
__func__, ospf6->vrf_id, type);
if (set)
vrf_bitmap_set(&zclient->redist[AFI_IP6][type],
ospf6->vrf_id);
else
vrf_bitmap_unset(&zclient->redist[AFI_IP6][type],
ospf6->vrf_id);
}
red_list = ospf6->redist[DEFAULT_ROUTE];
if (red_list) {
if (set)
vrf_bitmap_set(&zclient->default_information[AFI_IP6],
ospf6->vrf_id);
else
vrf_bitmap_unset(&zclient->default_information[AFI_IP6],
ospf6->vrf_id);
}
}
/* Disable OSPF6 VRF instance */
static int ospf6_vrf_disable(struct vrf *vrf)
{
struct ospf6 *ospf6 = NULL;
if (vrf->vrf_id == VRF_DEFAULT)
return 0;
ospf6 = ospf6_lookup_by_vrf_name(vrf->name);
if (ospf6) {
ospf6_zebra_vrf_deregister(ospf6);
ospf6_set_redist_vrf_bitmaps(ospf6, false);
/* We have instance configured, unlink
* from VRF and make it "down".
*/
ospf6_vrf_unlink(ospf6, vrf);
event_cancel(&ospf6->t_ospf6_receive);
close(ospf6->fd);
ospf6->fd = -1;
}
/* Note: This is a callback, the VRF will be deleted by the caller. */
return 0;
}
/* Enable OSPF6 VRF instance */
static int ospf6_vrf_enable(struct vrf *vrf)
{
struct ospf6 *ospf6 = NULL;
vrf_id_t old_vrf_id;
int ret = 0;
ospf6 = ospf6_lookup_by_vrf_name(vrf->name);
if (ospf6) {
old_vrf_id = ospf6->vrf_id;
/* We have instance configured, link to VRF and make it "up". */
ospf6_vrf_link(ospf6, vrf);
if (old_vrf_id != ospf6->vrf_id) {
ospf6_set_redist_vrf_bitmaps(ospf6, true);
/* start zebra redist to us for new vrf */
ospf6_zebra_vrf_register(ospf6);
ret = ospf6_serv_sock(ospf6);
if (ret < 0 || ospf6->fd <= 0)
return 0;
event_add_read(master, ospf6_receive, ospf6, ospf6->fd,
&ospf6->t_ospf6_receive);
ospf6_router_id_update(ospf6, true);
}
}
return 0;
}
void ospf6_vrf_init(void)
{
vrf_init(ospf6_vrf_new, ospf6_vrf_enable, ospf6_vrf_disable,
ospf6_vrf_delete);
vrf_cmd_init(NULL);
}
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, NULL);
break;
default:
break;
}
}
static void ospf6_top_route_hook_add(struct ospf6_route *route)
{
struct ospf6 *ospf6 = NULL;
struct ospf6_area *oa = NULL;
if (route->table->scope_type == OSPF6_SCOPE_TYPE_GLOBAL)
ospf6 = route->table->scope;
else if (route->table->scope_type == OSPF6_SCOPE_TYPE_AREA) {
oa = (struct ospf6_area *)route->table->scope;
ospf6 = oa->ospf6;
} else {
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)
|| IS_OSPF6_DEBUG_BROUTER)
zlog_debug(
"%s: Route is not GLOBAL or scope is not of TYPE_AREA: %pFX",
__func__, &route->prefix);
return;
}
ospf6_abr_originate_summary(route, ospf6);
ospf6_zebra_route_update_add(route, ospf6);
}
static void ospf6_top_route_hook_remove(struct ospf6_route *route)
{
struct ospf6 *ospf6 = NULL;
struct ospf6_area *oa = NULL;
if (route->table->scope_type == OSPF6_SCOPE_TYPE_GLOBAL)
ospf6 = route->table->scope;
else if (route->table->scope_type == OSPF6_SCOPE_TYPE_AREA) {
oa = (struct ospf6_area *)route->table->scope;
ospf6 = oa->ospf6;
} else {
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL)
|| IS_OSPF6_DEBUG_BROUTER)
zlog_debug(
"%s: Route is not GLOBAL or scope is not of TYPE_AREA: %pFX",
__func__, &route->prefix);
return;
}
route->flag |= OSPF6_ROUTE_REMOVE;
ospf6_abr_originate_summary(route, ospf6);
ospf6_zebra_route_update_remove(route, ospf6);
}
static void ospf6_top_brouter_hook_add(struct ospf6_route *route)
{
struct ospf6 *ospf6 = route->table->scope;
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL) ||
IS_OSPF6_DEBUG_BROUTER) {
uint32_t brouter_id;
char brouter_name[16];
brouter_id = ADV_ROUTER_IN_PREFIX(&route->prefix);
inet_ntop(AF_INET, &brouter_id, brouter_name,
sizeof(brouter_name));
zlog_debug("%s: brouter %s add with adv router %x nh count %u",
__func__, brouter_name,
route->path.origin.adv_router,
listcount(route->nh_list));
}
ospf6_abr_examin_brouter(ADV_ROUTER_IN_PREFIX(&route->prefix), route,
ospf6);
ospf6_asbr_lsentry_add(route, ospf6);
ospf6_abr_originate_summary(route, ospf6);
}
static void ospf6_top_brouter_hook_remove(struct ospf6_route *route)
{
struct ospf6 *ospf6 = route->table->scope;
if (IS_OSPF6_DEBUG_EXAMIN(AS_EXTERNAL) ||
IS_OSPF6_DEBUG_BROUTER) {
uint32_t brouter_id;
char brouter_name[16];
brouter_id = ADV_ROUTER_IN_PREFIX(&route->prefix);
inet_ntop(AF_INET, &brouter_id, brouter_name,
sizeof(brouter_name));
zlog_debug("%s: brouter %p %s del with adv router %x nh %u",
__func__, (void *)route, brouter_name,
route->path.origin.adv_router,
listcount(route->nh_list));
}
route->flag |= OSPF6_ROUTE_REMOVE;
ospf6_abr_examin_brouter(ADV_ROUTER_IN_PREFIX(&route->prefix), route,
ospf6);
ospf6_asbr_lsentry_remove(route, ospf6);
ospf6_abr_originate_summary(route, ospf6);
}
static struct ospf6 *ospf6_create(const char *name)
{
struct ospf6 *o;
struct vrf *vrf = NULL;
o = XCALLOC(MTYPE_OSPF6_TOP, sizeof(struct ospf6));
vrf = vrf_lookup_by_name(name);
if (vrf) {
o->vrf_id = vrf->vrf_id;
} else
o->vrf_id = VRF_UNKNOWN;
/* Freed in ospf6_delete */
o->name = XSTRDUP(MTYPE_OSPF6_TOP, name);
if (vrf)
ospf6_vrf_link(o, vrf);
ospf6_zebra_vrf_register(o);
/* 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;
o->default_originate = DEFAULT_ORIGINATE_NONE;
o->redistribute = 0;
/* 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;
/* Setting this to 1, so that the LS ID 0 can be considered as invalid
* for self originated external LSAs. This helps in differentiating if
* an LSA is originated for any route or not in the route data.
* rt->route_option->id is by default 0
* Consider a route having id as 0 and prefix as 1::1, an external LSA
* is originated with ID 0.0.0.0. Now consider another route 2::2
* and for this LSA was not originated because of some configuration
* but the ID field rt->route_option->id is still 0.Consider now this
* 2::2 is being deleted, it will search LSA with LS ID as 0 and it
* will find the LSA and hence delete it but the LSA belonged to prefix
* 1::1, this happened because of LS ID 0.
*/
o->external_id = OSPF6_EXT_INIT_LS_ID;
o->write_oi_count = OSPF6_WRITE_INTERFACE_COUNT_DEFAULT;
o->ref_bandwidth = OSPF6_REFERENCE_BANDWIDTH;
o->distance_table = route_table_init();
o->rt_aggr_tbl = route_table_init();
o->aggr_delay_interval = OSPF6_EXTL_AGGR_DEFAULT_DELAY;
o->aggr_action = OSPF6_ROUTE_AGGR_NONE;
o->fd = -1;
o->max_multipath = MULTIPATH_NUM;
o->oi_write_q = list_new();
ospf6_gr_helper_init(o);
QOBJ_REG(o, ospf6);
/* Make ospf protocol socket. */
ospf6_serv_sock(o);
ospf6_auth_init(o);
return o;
}
struct ospf6 *ospf6_instance_create(const char *name)
{
struct ospf6 *ospf6;
struct vrf *vrf;
struct interface *ifp;
ospf6 = ospf6_create(name);
if (DFLT_OSPF6_LOG_ADJACENCY_CHANGES)
SET_FLAG(ospf6->config_flags, OSPF6_LOG_ADJACENCY_CHANGES);
if (ospf6->router_id == 0)
ospf6_router_id_update(ospf6, true);
ospf6_add(ospf6);
/*
* Read from non-volatile memory whether this instance is performing a
* graceful restart or not.
*/
ospf6_gr_nvm_read(ospf6);
if (ospf6->vrf_id != VRF_UNKNOWN) {
vrf = vrf_lookup_by_id(ospf6->vrf_id);
FOR_ALL_INTERFACES (vrf, ifp) {
if (ifp->info)
ospf6_interface_start(ifp->info);
}
}
if (ospf6->fd < 0)
return ospf6;
event_add_read(master, ospf6_receive, ospf6, ospf6->fd,
&ospf6->t_ospf6_receive);
return ospf6;
}
void ospf6_delete(struct ospf6 *o)
{
struct listnode *node, *nnode;
struct route_node *rn = NULL;
struct ospf6_area *oa;
struct vrf *vrf;
struct ospf6_external_aggr_rt *aggr;
uint32_t i;
QOBJ_UNREG(o);
ospf6_gr_helper_deinit(o);
if (!o->gr_info.prepare_in_progress)
ospf6_flush_self_originated_lsas_now(o);
XFREE(MTYPE_TMP, o->gr_info.exit_reason);
ospf6_disable(o);
ospf6_del(o);
ospf6_zebra_vrf_deregister(o);
ospf6_serv_close(&o->fd);
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);
ospf6_distance_reset(o);
route_table_finish(o->distance_table);
list_delete(&o->oi_write_q);
if (o->vrf_id != VRF_UNKNOWN) {
vrf = vrf_lookup_by_id(o->vrf_id);
if (vrf)
ospf6_vrf_unlink(o, vrf);
}
for (rn = route_top(o->rt_aggr_tbl); rn; rn = route_next(rn))
if (rn->info) {
aggr = rn->info;
ospf6_asbr_summary_config_delete(o, rn);
ospf6_external_aggregator_free(aggr);
}
route_table_finish(o->rt_aggr_tbl);
for (i = 0; i <= ZEBRA_ROUTE_MAX; i++) {
if (!o->redist[i])
continue;
list_delete(&o->redist[i]);
}
XFREE(MTYPE_OSPF6_TOP, o->name);
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 */
/* Unregister redistribution */
ospf6_asbr_redistribute_disable(o);
ospf6_lsdb_remove_all(o->lsdb);
ospf6_route_remove_all(o->route_table);
ospf6_route_remove_all(o->brouter_table);
EVENT_OFF(o->maxage_remover);
EVENT_OFF(o->t_spf_calc);
EVENT_OFF(o->t_ase_calc);
EVENT_OFF(o->t_distribute_update);
EVENT_OFF(o->t_ospf6_receive);
EVENT_OFF(o->t_external_aggr);
EVENT_OFF(o->gr_info.t_grace_period);
EVENT_OFF(o->t_write);
EVENT_OFF(o->t_abr_task);
}
}
void ospf6_master_init(struct event_loop *master)
{
memset(&ospf6_master, 0, sizeof(ospf6_master));
om6 = &ospf6_master;
om6->ospf6 = list_new();
om6->master = master;
}
void ospf6_master_delete(void)
{
list_delete(&om6->ospf6);
}
static void ospf6_maxage_remover(struct event *thread)
{
struct ospf6 *o = (struct ospf6 *)EVENT_ARG(thread);
struct ospf6_area *oa;
struct ospf6_interface *oi;
struct ospf6_neighbor *on;
struct listnode *i, *j, *k;
int reschedule = 0;
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;
}
}
}
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);
}
}
void ospf6_maxage_remove(struct ospf6 *o)
{
if (o)
event_add_timer(master, ospf6_maxage_remover, o,
OSPF_LSA_MAXAGE_REMOVE_DELAY_DEFAULT,
&o->maxage_remover);
}
bool ospf6_router_id_update(struct ospf6 *ospf6, bool init)
{
in_addr_t new_router_id;
struct listnode *node;
struct ospf6_area *oa;
if (!ospf6)
return true;
if (ospf6->router_id_static != 0)
new_router_id = ospf6->router_id_static;
else
new_router_id = ospf6->router_id_zebra;
if (ospf6->router_id == new_router_id)
return true;
if (!init)
for (ALL_LIST_ELEMENTS_RO(ospf6->area_list, node, oa)) {
if (oa->full_nbrs) {
zlog_err(
"%s: cannot update router-id. Run the \"clear ipv6 ospf6 process\" command",
__func__);
return false;
}
}
ospf6->router_id = new_router_id;
return true;
}
/* start ospf6 */
DEFUN_NOSH(router_ospf6, router_ospf6_cmd, "router ospf6 [vrf NAME]",
ROUTER_STR OSPF6_STR VRF_CMD_HELP_STR)
{
struct ospf6 *ospf6;
const char *vrf_name = VRF_DEFAULT_NAME;
int idx_vrf = 0;
if (argv_find(argv, argc, "vrf", &idx_vrf)) {
vrf_name = argv[idx_vrf + 1]->arg;
}
ospf6 = ospf6_lookup_by_vrf_name(vrf_name);
if (ospf6 == NULL)
ospf6 = ospf6_instance_create(vrf_name);
/* 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 [vrf NAME]",
NO_STR ROUTER_STR OSPF6_STR VRF_CMD_HELP_STR)
{
struct ospf6 *ospf6;
const char *vrf_name = VRF_DEFAULT_NAME;
int idx_vrf = 0;
if (argv_find(argv, argc, "vrf", &idx_vrf)) {
vrf_name = argv[idx_vrf + 1]->arg;
}
ospf6 = ospf6_lookup_by_vrf_name(vrf_name);
if (ospf6 == NULL)
vty_out(vty, "OSPFv3 is not configured\n");
else {
if (ospf6->gr_info.restart_support)
ospf6_gr_nvm_delete(ospf6);
ospf6_delete(ospf6);
ospf6 = NULL;
}
/* return to config node . */
VTY_PUSH_CONTEXT_NULL(CONFIG_NODE);
return CMD_SUCCESS;
}
static void ospf6_db_clear(struct ospf6 *ospf6)
{
struct ospf6_interface *oi;
struct interface *ifp;
struct vrf *vrf = vrf_lookup_by_id(ospf6->vrf_id);
struct listnode *node, *nnode;
struct ospf6_area *oa;
FOR_ALL_INTERFACES (vrf, ifp) {
if (if_is_operative(ifp) && ifp->info != NULL) {
oi = (struct ospf6_interface *)ifp->info;
ospf6_lsdb_remove_all(oi->lsdb);
ospf6_lsdb_remove_all(oi->lsdb_self);
ospf6_lsdb_remove_all(oi->lsupdate_list);
ospf6_lsdb_remove_all(oi->lsack_list);
}
}
for (ALL_LIST_ELEMENTS(ospf6->area_list, node, nnode, 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);
}
ospf6_lsdb_remove_all(ospf6->lsdb);
ospf6_lsdb_remove_all(ospf6->lsdb_self);
ospf6_route_remove_all(ospf6->route_table);
ospf6_route_remove_all(ospf6->brouter_table);
}
static void ospf6_process_reset(struct ospf6 *ospf6)
{
struct interface *ifp;
struct vrf *vrf = vrf_lookup_by_id(ospf6->vrf_id);
ospf6_unset_all_aggr_flag(ospf6);
ospf6_flush_self_originated_lsas_now(ospf6);
ospf6->inst_shutdown = 0;
ospf6_db_clear(ospf6);
ospf6_asbr_redistribute_reset(ospf6);
FOR_ALL_INTERFACES (vrf, ifp)
ospf6_interface_clear(ifp);
}
DEFPY (clear_router_ospf6,
clear_router_ospf6_cmd,
"clear ipv6 ospf6 process [vrf NAME$name]",
CLEAR_STR
IP6_STR
OSPF6_STR
"Reset OSPF Process\n"
VRF_CMD_HELP_STR)
{
struct ospf6 *ospf6;
const char *vrf_name = VRF_DEFAULT_NAME;
if (name != NULL)
vrf_name = name;
ospf6 = ospf6_lookup_by_vrf_name(vrf_name);
if (ospf6 == NULL) {
vty_out(vty, "OSPFv3 is not configured\n");
} else {
ospf6_router_id_update(ospf6, true);
ospf6_process_reset(ospf6);
}
return CMD_SUCCESS;
}
/* change Router_ID commands. */
DEFUN(ospf6_router_id,
ospf6_router_id_cmd,
"ospf6 router-id A.B.C.D",
OSPF6_STR
"Configure OSPF6 Router-ID\n"
V4NOTATION_STR)
{
VTY_DECLVAR_CONTEXT(ospf6, o);
int idx = 0;
int ret;
const char *router_id_str;
uint32_t router_id;
argv_find(argv, argc, "A.B.C.D", &idx);
router_id_str = argv[idx]->arg;
ret = inet_pton(AF_INET, router_id_str, &router_id);
if (ret == 0) {
vty_out(vty, "malformed OSPF Router-ID: %s\n", router_id_str);
return CMD_SUCCESS;
}
o->router_id_static = router_id;
if (ospf6_router_id_update(o, false))
ospf6_process_reset(o);
else
vty_out(vty,
"For this router-id change to take effect run the \"clear ipv6 ospf6 process\" command\n");
return CMD_SUCCESS;
}
DEFUN(no_ospf6_router_id,
no_ospf6_router_id_cmd,
"no ospf6 router-id [A.B.C.D]",
NO_STR OSPF6_STR
"Configure OSPF6 Router-ID\n"
V4NOTATION_STR)
{
VTY_DECLVAR_CONTEXT(ospf6, o);
o->router_id_static = 0;
if (ospf6_router_id_update(o, false))
ospf6_process_reset(o);
else
vty_out(vty,
"For this router-id change to take effect run the \"clear ipv6 ospf6 process\" command\n");
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;
}
static void ospf6_reinstall_routes(struct ospf6 *ospf6)
{
struct ospf6_route *route;
for (route = ospf6_route_head(ospf6->route_table); route;
route = ospf6_route_next(route))
ospf6_zebra_route_update_add(route, ospf6);
}
DEFPY (ospf6_send_extra_data,
ospf6_send_extra_data_cmd,
"[no] ospf6 send-extra-data zebra",
NO_STR
OSPF6_STR
"Extra data to Zebra for display/use\n"
"To zebra\n")
{
VTY_DECLVAR_CONTEXT(ospf6, ospf6);
if (no
&& CHECK_FLAG(ospf6->config_flags,
OSPF6_SEND_EXTRA_DATA_TO_ZEBRA)) {
UNSET_FLAG(ospf6->config_flags, OSPF6_SEND_EXTRA_DATA_TO_ZEBRA);
ospf6_reinstall_routes(ospf6);
} else if (!CHECK_FLAG(ospf6->config_flags,
OSPF6_SEND_EXTRA_DATA_TO_ZEBRA)) {
SET_FLAG(ospf6->config_flags, OSPF6_SEND_EXTRA_DATA_TO_ZEBRA);
ospf6_reinstall_routes(ospf6);
}
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);
uint8_t distance;
distance = atoi(argv[1]->arg);
if (o->distance_all != distance) {
o->distance_all = distance;
ospf6_restart_spf(o);
}
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);
if (o->distance_all) {
o->distance_all = 0;