/*
* 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 "memory.h"
#include "if.h"
#include "log.h"
#include "command.h"
#include "thread.h"
#include "prefix.h"
#include "plist.h"
#include "zclient.h"
#include "ospf6_lsa.h"
#include "ospf6_lsdb.h"
#include "ospf6_network.h"
#include "ospf6_message.h"
#include "ospf6_route.h"
#include "ospf6_top.h"
#include "ospf6_area.h"
#include "ospf6_interface.h"
#include "ospf6_neighbor.h"
#include "ospf6_intra.h"
#include "ospf6_spf.h"
#include "ospf6d.h"
#include "ospf6_bfd.h"
DEFINE_MTYPE_STATIC(OSPF6D, CFG_PLIST_NAME, "configured prefix list names")
DEFINE_QOBJ_TYPE(ospf6_interface)
DEFINE_HOOK(ospf6_interface_change,
(struct ospf6_interface * oi, int state, int old_state),
(oi, state, old_state))
unsigned char conf_debug_ospf6_interface = 0;
const char *ospf6_interface_state_str[] = {
"None", "Down", "Loopback", "Waiting", "PointToPoint",
"DROther", "BDR", "DR", NULL};
struct ospf6_interface *ospf6_interface_lookup_by_ifindex(ifindex_t ifindex)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = if_lookup_by_index(ifindex, VRF_DEFAULT);
if (ifp == NULL)
return (struct ospf6_interface *)NULL;
oi = (struct ospf6_interface *)ifp->info;
return oi;
}
/* schedule routing table recalculation */
static void ospf6_interface_lsdb_hook(struct ospf6_lsa *lsa,
unsigned int reason)
{
struct ospf6_interface *oi;
if (lsa == NULL)
return;
oi = lsa->lsdb->data;
switch (ntohs(lsa->header->type)) {
case OSPF6_LSTYPE_LINK:
if (oi->state == OSPF6_INTERFACE_DR)
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
if (oi->area)
ospf6_spf_schedule(oi->area->ospf6, reason);
break;
default:
break;
}
}
static void ospf6_interface_lsdb_hook_add(struct ospf6_lsa *lsa)
{
ospf6_interface_lsdb_hook(lsa, ospf6_lsadd_to_spf_reason(lsa));
}
static void ospf6_interface_lsdb_hook_remove(struct ospf6_lsa *lsa)
{
ospf6_interface_lsdb_hook(lsa, ospf6_lsremove_to_spf_reason(lsa));
}
static uint8_t ospf6_default_iftype(struct interface *ifp)
{
if (if_is_pointopoint(ifp))
return OSPF_IFTYPE_POINTOPOINT;
else if (if_is_loopback(ifp))
return OSPF_IFTYPE_LOOPBACK;
else
return OSPF_IFTYPE_BROADCAST;
}
static uint32_t ospf6_interface_get_cost(struct ospf6_interface *oi)
{
/* If all else fails, use default OSPF cost */
uint32_t cost;
uint32_t bw, refbw;
/* interface speed and bw can be 0 in some platforms,
* use ospf default bw. If bw is configured then it would
* be used.
*/
if (!oi->interface->bandwidth && oi->interface->speed) {
bw = oi->interface->speed;
} else {
bw = oi->interface->bandwidth ? oi->interface->bandwidth
: OSPF6_INTERFACE_BANDWIDTH;
}
refbw = ospf6 ? ospf6->ref_bandwidth : OSPF6_REFERENCE_BANDWIDTH;
/* A specifed ip ospf cost overrides a calculated one. */
if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST))
cost = oi->cost;
else {
cost = (uint32_t)((double)refbw / (double)bw + (double)0.5);
if (cost < 1)
cost = 1;
else if (cost > UINT32_MAX)
cost = UINT32_MAX;
}
return cost;
}
static void ospf6_interface_force_recalculate_cost(struct ospf6_interface *oi)
{
/* update cost held in route_connected list in ospf6_interface */
ospf6_interface_connected_route_update(oi->interface);
/* execute LSA hooks */
if (oi->area) {
OSPF6_LINK_LSA_SCHEDULE(oi);
OSPF6_ROUTER_LSA_SCHEDULE(oi->area);
OSPF6_NETWORK_LSA_SCHEDULE(oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
}
}
static void ospf6_interface_recalculate_cost(struct ospf6_interface *oi)
{
uint32_t newcost;
newcost = ospf6_interface_get_cost(oi);
if (newcost == oi->cost)
return;
oi->cost = newcost;
ospf6_interface_force_recalculate_cost(oi);
}
/* Create new ospf6 interface structure */
struct ospf6_interface *ospf6_interface_create(struct interface *ifp)
{
struct ospf6_interface *oi;
unsigned int iobuflen;
oi = (struct ospf6_interface *)XCALLOC(MTYPE_OSPF6_IF,
sizeof(struct ospf6_interface));
oi->area = (struct ospf6_area *)NULL;
oi->neighbor_list = list_new();
oi->neighbor_list->cmp = ospf6_neighbor_cmp;
oi->linklocal_addr = (struct in6_addr *)NULL;
oi->instance_id = OSPF6_INTERFACE_INSTANCE_ID;
oi->transdelay = OSPF6_INTERFACE_TRANSDELAY;
oi->priority = OSPF6_INTERFACE_PRIORITY;
oi->hello_interval = OSPF_HELLO_INTERVAL_DEFAULT;
oi->dead_interval = OSPF_ROUTER_DEAD_INTERVAL_DEFAULT;
oi->rxmt_interval = OSPF_RETRANSMIT_INTERVAL_DEFAULT;
oi->type = ospf6_default_iftype(ifp);
oi->state = OSPF6_INTERFACE_DOWN;
oi->flag = 0;
oi->mtu_ignore = 0;
oi->c_ifmtu = 0;
/* Try to adjust I/O buffer size with IfMtu */
oi->ifmtu = ifp->mtu6;
iobuflen = ospf6_iobuf_size(ifp->mtu6);
if (oi->ifmtu > iobuflen) {
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug(
"Interface %s: IfMtu is adjusted to I/O buffer size: %d.",
ifp->name, iobuflen);
oi->ifmtu = iobuflen;
}
QOBJ_REG(oi, ospf6_interface);
oi->lsupdate_list = ospf6_lsdb_create(oi);
oi->lsack_list = ospf6_lsdb_create(oi);
oi->lsdb = ospf6_lsdb_create(oi);
oi->lsdb->hook_add = ospf6_interface_lsdb_hook_add;
oi->lsdb->hook_remove = ospf6_interface_lsdb_hook_remove;
oi->lsdb_self = ospf6_lsdb_create(oi);
oi->route_connected =
OSPF6_ROUTE_TABLE_CREATE(INTERFACE, CONNECTED_ROUTES);
oi->route_connected->scope = oi;
/* link both */
oi->interface = ifp;
ifp->info = oi;
/* Compute cost. */
oi->cost = ospf6_interface_get_cost(oi);
return oi;
}
void ospf6_interface_delete(struct ospf6_interface *oi)
{
struct listnode *node, *nnode;
struct ospf6_neighbor *on;
QOBJ_UNREG(oi);
for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
ospf6_neighbor_delete(on);
list_delete(&oi->neighbor_list);
THREAD_OFF(oi->thread_send_hello);
THREAD_OFF(oi->thread_send_lsupdate);
THREAD_OFF(oi->thread_send_lsack);
THREAD_OFF(oi->thread_sso);
ospf6_lsdb_remove_all(oi->lsdb);
ospf6_lsdb_remove_all(oi->lsupdate_list);
ospf6_lsdb_remove_all(oi->lsack_list);
ospf6_lsdb_delete(oi->lsdb);
ospf6_lsdb_delete(oi->lsdb_self);
ospf6_lsdb_delete(oi->lsupdate_list);
ospf6_lsdb_delete(oi->lsack_list);
ospf6_route_table_delete(oi->route_connected);
/* cut link */
oi->interface->info = NULL;
/* plist_name */
if (oi->plist_name)
XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
ospf6_bfd_info_free(&(oi->bfd_info));
/* disable from area list if possible */
ospf6_area_interface_delete(oi);
XFREE(MTYPE_OSPF6_IF, oi);
}
void ospf6_interface_enable(struct ospf6_interface *oi)
{
UNSET_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE);
ospf6_interface_state_update(oi->interface);
}
void ospf6_interface_disable(struct ospf6_interface *oi)
{
SET_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE);
thread_execute(master, interface_down, oi, 0);
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);
THREAD_OFF(oi->thread_send_hello);
THREAD_OFF(oi->thread_send_lsupdate);
THREAD_OFF(oi->thread_send_lsack);
THREAD_OFF(oi->thread_sso);
THREAD_OFF(oi->thread_network_lsa);
THREAD_OFF(oi->thread_link_lsa);
THREAD_OFF(oi->thread_intra_prefix_lsa);
THREAD_OFF(oi->thread_as_extern_lsa);
}
static struct in6_addr *
ospf6_interface_get_linklocal_address(struct interface *ifp)
{
struct listnode *n;
struct connected *c;
struct in6_addr *l = (struct in6_addr *)NULL;
/* for each connected address */
for (ALL_LIST_ELEMENTS_RO(ifp->connected, n, c)) {
/* if family not AF_INET6, ignore */
if (c->address->family != AF_INET6)
continue;
/* linklocal scope check */
if (IN6_IS_ADDR_LINKLOCAL(&c->address->u.prefix6))
l = &c->address->u.prefix6;
}
return l;
}
void ospf6_interface_if_add(struct interface *ifp)
{
struct ospf6_interface *oi;
unsigned int iobuflen;
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
return;
/* Try to adjust I/O buffer size with IfMtu */
if (oi->ifmtu == 0)
oi->ifmtu = ifp->mtu6;
iobuflen = ospf6_iobuf_size(ifp->mtu6);
if (oi->ifmtu > iobuflen) {
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug(
"Interface %s: IfMtu is adjusted to I/O buffer size: %d.",
ifp->name, iobuflen);
oi->ifmtu = iobuflen;
}
/* interface start */
ospf6_interface_state_update(oi->interface);
}
void ospf6_interface_state_update(struct interface *ifp)
{
struct ospf6_interface *oi;
unsigned int iobuflen;
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
return;
if (oi->area == NULL)
return;
if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE))
return;
/* Adjust the mtu values if the kernel told us something new */
if (ifp->mtu6 != oi->ifmtu) {
/* If nothing configured, accept it and check for buffer size */
if (!oi->c_ifmtu) {
oi->ifmtu = ifp->mtu6;
iobuflen = ospf6_iobuf_size(ifp->mtu6);
if (oi->ifmtu > iobuflen) {
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug(
"Interface %s: IfMtu is adjusted to I/O buffer size: %d.",
ifp->name, iobuflen);
oi->ifmtu = iobuflen;
}
} else if (oi->c_ifmtu > ifp->mtu6) {
oi->ifmtu = ifp->mtu6;
zlog_warn(
"Configured mtu %u on %s overridden by kernel %u",
oi->c_ifmtu, ifp->name, ifp->mtu6);
} else
oi->ifmtu = oi->c_ifmtu;
}
if (if_is_operative(ifp)
&& (ospf6_interface_get_linklocal_address(oi->interface)
|| if_is_loopback(oi->interface)))
thread_execute(master, interface_up, oi, 0);
else
thread_execute(master, interface_down, oi, 0);
return;
}
void ospf6_interface_connected_route_update(struct interface *ifp)
{
struct ospf6_interface *oi;
struct ospf6_route *route;
struct connected *c;
struct listnode *node, *nnode;
struct in6_addr nh_addr;
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
return;
/* reset linklocal pointer */
oi->linklocal_addr = ospf6_interface_get_linklocal_address(ifp);
/* if area is null, do not make connected-route list */
if (oi->area == NULL)
return;
if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_DISABLE))
return;
/* update "route to advertise" interface route table */
ospf6_route_remove_all(oi->route_connected);
for (ALL_LIST_ELEMENTS(oi->interface->connected, node, nnode, c)) {
if (c->address->family != AF_INET6)
continue;
CONTINUE_IF_ADDRESS_LINKLOCAL(IS_OSPF6_DEBUG_INTERFACE,
c->address);
CONTINUE_IF_ADDRESS_UNSPECIFIED(IS_OSPF6_DEBUG_INTERFACE,
c->address);
CONTINUE_IF_ADDRESS_LOOPBACK(IS_OSPF6_DEBUG_INTERFACE,
c->address);
CONTINUE_IF_ADDRESS_V4COMPAT(IS_OSPF6_DEBUG_INTERFACE,
c->address);
CONTINUE_IF_ADDRESS_V4MAPPED(IS_OSPF6_DEBUG_INTERFACE,
c->address);
/* apply filter */
if (oi->plist_name) {
struct prefix_list *plist;
enum prefix_list_type ret;
char buf[PREFIX2STR_BUFFER];
prefix2str(c->address, buf, sizeof(buf));
plist = prefix_list_lookup(AFI_IP6, oi->plist_name);
ret = prefix_list_apply(plist, (void *)c->address);
if (ret == PREFIX_DENY) {
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug(
"%s on %s filtered by prefix-list %s ",
buf, oi->interface->name,
oi->plist_name);
continue;
}
}
route = ospf6_route_create();
memcpy(&route->prefix, c->address, sizeof(struct prefix));
apply_mask(&route->prefix);
route->type = OSPF6_DEST_TYPE_NETWORK;
route->path.area_id = oi->area->area_id;
route->path.type = OSPF6_PATH_TYPE_INTRA;
route->path.cost = oi->cost;
inet_pton(AF_INET6, "::1", &nh_addr);
ospf6_route_add_nexthop(route, oi->interface->ifindex,
&nh_addr);
ospf6_route_add(route, oi->route_connected);
}
/* create new Link-LSA */
OSPF6_LINK_LSA_SCHEDULE(oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
}
static void ospf6_interface_state_change(uint8_t next_state,
struct ospf6_interface *oi)
{
uint8_t prev_state;
prev_state = oi->state;
oi->state = next_state;
if (prev_state == next_state)
return;
/* log */
if (IS_OSPF6_DEBUG_INTERFACE) {
zlog_debug("Interface state change %s: %s -> %s",
oi->interface->name,
ospf6_interface_state_str[prev_state],
ospf6_interface_state_str[next_state]);
}
oi->state_change++;
if ((prev_state == OSPF6_INTERFACE_DR
|| prev_state == OSPF6_INTERFACE_BDR)
&& (next_state != OSPF6_INTERFACE_DR
&& next_state != OSPF6_INTERFACE_BDR))
ospf6_sso(oi->interface->ifindex, &alldrouters6,
IPV6_LEAVE_GROUP);
if ((prev_state != OSPF6_INTERFACE_DR
&& prev_state != OSPF6_INTERFACE_BDR)
&& (next_state == OSPF6_INTERFACE_DR
|| next_state == OSPF6_INTERFACE_BDR))
ospf6_sso(oi->interface->ifindex, &alldrouters6,
IPV6_JOIN_GROUP);
OSPF6_ROUTER_LSA_SCHEDULE(oi->area);
if (next_state == OSPF6_INTERFACE_DOWN) {
OSPF6_NETWORK_LSA_EXECUTE(oi);
OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
OSPF6_INTRA_PREFIX_LSA_EXECUTE_TRANSIT(oi);
} else if (prev_state == OSPF6_INTERFACE_DR
|| next_state == OSPF6_INTERFACE_DR) {
OSPF6_NETWORK_LSA_SCHEDULE(oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
}
hook_call(ospf6_interface_change, oi, next_state, prev_state);
}
/* DR Election, RFC2328 section 9.4 */
#define IS_ELIGIBLE(n) \
((n)->state >= OSPF6_NEIGHBOR_TWOWAY && (n)->priority != 0)
static struct ospf6_neighbor *better_bdrouter(struct ospf6_neighbor *a,
struct ospf6_neighbor *b)
{
if ((a == NULL || !IS_ELIGIBLE(a) || a->drouter == a->router_id)
&& (b == NULL || !IS_ELIGIBLE(b) || b->drouter == b->router_id))
return NULL;
else if (a == NULL || !IS_ELIGIBLE(a) || a->drouter == a->router_id)
return b;
else if (b == NULL || !IS_ELIGIBLE(b) || b->drouter == b->router_id)
return a;
if (a->bdrouter == a->router_id && b->bdrouter != b->router_id)
return a;
if (a->bdrouter != a->router_id && b->bdrouter == b->router_id)
return b;
if (a->priority > b->priority)
return a;
if (a->priority < b->priority)
return b;
if (ntohl(a->router_id) > ntohl(b->router_id))
return a;
if (ntohl(a->router_id) < ntohl(b->router_id))
return b;
zlog_warn("Router-ID duplicate ?");
return a;
}
static struct ospf6_neighbor *better_drouter(struct ospf6_neighbor *a,
struct ospf6_neighbor *b)
{
if ((a == NULL || !IS_ELIGIBLE(a) || a->drouter != a->router_id)
&& (b == NULL || !IS_ELIGIBLE(b) || b->drouter != b->router_id))
return NULL;
else if (a == NULL || !IS_ELIGIBLE(a) || a->drouter != a->router_id)
return b;
else if (b == NULL || !IS_ELIGIBLE(b) || b->drouter != b->router_id)
return a;
if (a->drouter == a->router_id && b->drouter != b->router_id)
return a;
if (a->drouter != a->router_id && b->drouter == b->router_id)
return b;
if (a->priority > b->priority)
return a;
if (a->priority < b->priority)
return b;
if (ntohl(a->router_id) > ntohl(b->router_id))
return a;
if (ntohl(a->router_id) < ntohl(b->router_id))
return b;
zlog_warn("Router-ID duplicate ?");
return a;
}
static uint8_t dr_election(struct ospf6_interface *oi)
{
struct listnode *node, *nnode;
struct ospf6_neighbor *on, *drouter, *bdrouter, myself;
struct ospf6_neighbor *best_drouter, *best_bdrouter;
uint8_t next_state = 0;
drouter = bdrouter = NULL;
best_drouter = best_bdrouter = NULL;
/* pseudo neighbor myself, including noting current DR/BDR (1) */
memset(&myself, 0, sizeof(myself));
inet_ntop(AF_INET, &oi->area->ospf6->router_id, myself.name,
sizeof(myself.name));
myself.state = OSPF6_NEIGHBOR_TWOWAY;
myself.drouter = oi->drouter;
myself.bdrouter = oi->bdrouter;
myself.priority = oi->priority;
myself.router_id = oi->area->ospf6->router_id;
/* Electing BDR (2) */
for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
bdrouter = better_bdrouter(bdrouter, on);
best_bdrouter = bdrouter;
bdrouter = better_bdrouter(best_bdrouter, &myself);
/* Electing DR (3) */
for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
drouter = better_drouter(drouter, on);
best_drouter = drouter;
drouter = better_drouter(best_drouter, &myself);
if (drouter == NULL)
drouter = bdrouter;
/* the router itself is newly/no longer DR/BDR (4) */
if ((drouter == &myself && myself.drouter != myself.router_id)
|| (drouter != &myself && myself.drouter == myself.router_id)
|| (bdrouter == &myself && myself.bdrouter != myself.router_id)
|| (bdrouter != &myself && myself.bdrouter == myself.router_id)) {
myself.drouter = (drouter ? drouter->router_id : htonl(0));
myself.bdrouter = (bdrouter ? bdrouter->router_id : htonl(0));
/* compatible to Electing BDR (2) */
bdrouter = better_bdrouter(best_bdrouter, &myself);
/* compatible to Electing DR (3) */
drouter = better_drouter(best_drouter, &myself);
if (drouter == NULL)
drouter = bdrouter;
}
/* Set interface state accordingly (5) */
if (drouter && drouter == &myself)
next_state = OSPF6_INTERFACE_DR;
else if (bdrouter && bdrouter == &myself)
next_state = OSPF6_INTERFACE_BDR;
else
next_state = OSPF6_INTERFACE_DROTHER;
/* If NBMA, schedule Start for each neighbor having priority of 0 (6) */
/* XXX */
/* If DR or BDR change, invoke AdjOK? for each neighbor (7) */
/* RFC 2328 section 12.4. Originating LSAs (3) will be handled
accordingly after AdjOK */
if (oi->drouter != (drouter ? drouter->router_id : htonl(0))
|| oi->bdrouter != (bdrouter ? bdrouter->router_id : htonl(0))) {
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug("DR Election on %s: DR: %s BDR: %s",
oi->interface->name,
(drouter ? drouter->name : "0.0.0.0"),
(bdrouter ? bdrouter->name : "0.0.0.0"));
for (ALL_LIST_ELEMENTS_RO(oi->neighbor_list, node, on)) {
if (on->state < OSPF6_NEIGHBOR_TWOWAY)
continue;
/* Schedule AdjOK. */
thread_add_event(master, adj_ok, on, 0, NULL);
}
}
oi->drouter = (drouter ? drouter->router_id : htonl(0));
oi->bdrouter = (bdrouter ? bdrouter->router_id : htonl(0));
return next_state;
}
/* Interface State Machine */
int interface_up(struct thread *thread)
{
struct ospf6_interface *oi;
oi = (struct ospf6_interface *)THREAD_ARG(thread);
assert(oi && oi->interface);
/*
* Remove old pointer. If this thread wasn't a timer this
* operation won't make a difference, because it is already NULL.
*/
oi->thread_sso = NULL;
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug("Interface Event %s: [InterfaceUp]",
oi->interface->name);
/* check physical interface is up */
if (!if_is_operative(oi->interface)) {
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug(
"Interface %s is down, can't execute [InterfaceUp]",
oi->interface->name);
return 0;
}
/* check interface has a link-local address */
if (!(ospf6_interface_get_linklocal_address(oi->interface)
|| if_is_loopback(oi->interface))) {
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug(
"Interface %s has no link local address, can't execute [InterfaceUp]",
oi->interface->name);
return 0;
}
/* Recompute cost */
ospf6_interface_recalculate_cost(oi);
/* if already enabled, do nothing */
if (oi->state > OSPF6_INTERFACE_DOWN) {
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug("Interface %s already enabled",
oi->interface->name);
return 0;
}
/* If no area assigned, return */
if (oi->area == NULL) {
zlog_debug(
"%s: Not scheduleing Hello for %s as there is no area assigned yet",
__func__, oi->interface->name);
return 0;
}
#ifdef __FreeBSD__
/*
* XXX: Schedule IPv6 group join for later, otherwise we might
* lose the multicast group registration caused by IPv6 group
* leave race.
*/
if (oi->sso_try_cnt == 0) {
oi->sso_try_cnt++;
zlog_info("Scheduling %s for sso", oi->interface->name);
thread_add_timer(master, interface_up, oi,
OSPF6_INTERFACE_SSO_RETRY_INT,
&oi->thread_sso);
return 0;
}
#endif /* __FreeBSD__ */
/* Join AllSPFRouters */
if (ospf6_sso(oi->interface->ifindex, &allspfrouters6, IPV6_JOIN_GROUP)
< 0) {
if (oi->sso_try_cnt++ < OSPF6_INTERFACE_SSO_RETRY_MAX) {
zlog_info(
"Scheduling %s for sso retry, trial count: %d",
oi->interface->name, oi->sso_try_cnt);
thread_add_timer(master, interface_up, oi,
OSPF6_INTERFACE_SSO_RETRY_INT,
&oi->thread_sso);
}
return 0;
}
oi->sso_try_cnt = 0; /* Reset on success */
/* Update interface route */
ospf6_interface_connected_route_update(oi->interface);
/* Schedule Hello */
if (!CHECK_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE)
&& !if_is_loopback(oi->interface)) {
oi->thread_send_hello = NULL;
thread_add_event(master, ospf6_hello_send, oi, 0,
&oi->thread_send_hello);
}
/* decide next interface state */
if ((if_is_pointopoint(oi->interface))
|| (oi->type == OSPF_IFTYPE_POINTOPOINT)) {
ospf6_interface_state_change(OSPF6_INTERFACE_POINTTOPOINT, oi);
} else if (oi->priority == 0)
ospf6_interface_state_change(OSPF6_INTERFACE_DROTHER, oi);
else {
ospf6_interface_state_change(OSPF6_INTERFACE_WAITING, oi);
thread_add_timer(master, wait_timer, oi, oi->dead_interval,
NULL);
}
return 0;
}
int wait_timer(struct thread *thread)
{
struct ospf6_interface *oi;
oi = (struct ospf6_interface *)THREAD_ARG(thread);
assert(oi && oi->interface);
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug("Interface Event %s: [WaitTimer]",
oi->interface->name);
if (oi->state == OSPF6_INTERFACE_WAITING)
ospf6_interface_state_change(dr_election(oi), oi);
return 0;
}
int backup_seen(struct thread *thread)
{
struct ospf6_interface *oi;
oi = (struct ospf6_interface *)THREAD_ARG(thread);
assert(oi && oi->interface);
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug("Interface Event %s: [BackupSeen]",
oi->interface->name);
if (oi->state == OSPF6_INTERFACE_WAITING)
ospf6_interface_state_change(dr_election(oi), oi);
return 0;
}
int neighbor_change(struct thread *thread)
{
struct ospf6_interface *oi;
oi = (struct ospf6_interface *)THREAD_ARG(thread);
assert(oi && oi->interface);
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug("Interface Event %s: [NeighborChange]",
oi->interface->name);
if (oi->state == OSPF6_INTERFACE_DROTHER
|| oi->state == OSPF6_INTERFACE_BDR
|| oi->state == OSPF6_INTERFACE_DR)
ospf6_interface_state_change(dr_election(oi), oi);
return 0;
}
int interface_down(struct thread *thread)
{
struct ospf6_interface *oi;
struct listnode *node, *nnode;
struct ospf6_neighbor *on;
oi = (struct ospf6_interface *)THREAD_ARG(thread);
assert(oi && oi->interface);
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug("Interface Event %s: [InterfaceDown]",
oi->interface->name);
/* Stop Hellos */
THREAD_OFF(oi->thread_send_hello);
/* Stop trying to set socket options. */
THREAD_OFF(oi->thread_sso);
/* Leave AllSPFRouters */
if (oi->state > OSPF6_INTERFACE_DOWN)
ospf6_sso(oi->interface->ifindex, &allspfrouters6,
IPV6_LEAVE_GROUP);
ospf6_interface_state_change(OSPF6_INTERFACE_DOWN, oi);
for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on))
ospf6_neighbor_delete(on);
list_delete_all_node(oi->neighbor_list);
/* When interface state is reset, also reset information about
* DR election, as it is no longer valid. */
oi->drouter = oi->prev_drouter = htonl(0);
oi->bdrouter = oi->prev_bdrouter = htonl(0);
return 0;
}
/* show specified interface structure */
static int ospf6_interface_show(struct vty *vty, struct interface *ifp)
{
struct ospf6_interface *oi;
struct connected *c;
struct prefix *p;
struct listnode *i;
char strbuf[PREFIX2STR_BUFFER], drouter[32], bdrouter[32];
const char *type;
struct timeval res, now;
char duration[32];
struct ospf6_lsa *lsa;
/* check physical interface type */
if (if_is_loopback(ifp))
type = "LOOPBACK";
else if (if_is_broadcast(ifp))
type = "BROADCAST";
else if (if_is_pointopoint(ifp))
type = "POINTOPOINT";
else
type = "UNKNOWN";
vty_out(vty, "%s is %s, type %s\n", ifp->name,
(if_is_operative(ifp) ? "up" : "down"), type);
vty_out(vty, " Interface ID: %d\n", ifp->ifindex);
if (ifp->info == NULL) {
vty_out(vty, " OSPF not enabled on this interface\n");
return 0;
} else
oi = (struct ospf6_interface *)ifp->info;
vty_out(vty, " Internet Address:\n");
for (ALL_LIST_ELEMENTS_RO(ifp->connected, i, c)) {
p = c->address;
prefix2str(p, strbuf, sizeof(strbuf));
switch (p->family) {
case AF_INET:
vty_out(vty, " inet : %s\n", strbuf);
break;
case AF_INET6:
vty_out(vty, " inet6: %s\n", strbuf);
break;
default:
vty_out(vty, " ??? : %s\n", strbuf);
break;
}
}
if (oi->area) {
vty_out(vty,
" Instance ID %d, Interface MTU %d (autodetect: %d)\n",
oi->instance_id, oi->ifmtu, ifp->mtu6);
vty_out(vty, " MTU mismatch detection: %s\n",
oi->mtu_ignore ? "disabled" : "enabled");
inet_ntop(AF_INET, &oi->area->area_id, strbuf, sizeof(strbuf));
vty_out(vty, " Area ID %s, Cost %u\n", strbuf, oi->cost);
} else
vty_out(vty, " Not Attached to Area\n");
vty_out(vty, " State %s, Transmit Delay %d sec, Priority %d\n",
ospf6_interface_state_str[oi->state], oi->transdelay,
oi->priority);
vty_out(vty, " Timer intervals configured:\n");
vty_out(vty, " Hello %d, Dead %d, Retransmit %d\n",
oi->hello_interval, oi->dead_interval, oi->rxmt_interval);
inet_ntop(AF_INET, &oi->drouter, drouter, sizeof(drouter));
inet_ntop(AF_INET, &oi->bdrouter, bdrouter, sizeof(bdrouter));
vty_out(vty, " DR: %s BDR: %s\n", drouter, bdrouter);
vty_out(vty, " Number of I/F scoped LSAs is %u\n", oi->lsdb->count);
monotime(&now);
timerclear(&res);
if (oi->thread_send_lsupdate)
timersub(&oi->thread_send_lsupdate->u.sands, &now, &res);
timerstring(&res, duration, sizeof(duration));
vty_out(vty,
" %d Pending LSAs for LSUpdate in Time %s [thread %s]\n",
oi->lsupdate_list->count, duration,
(oi->thread_send_lsupdate ? "on" : "off"));
for (ALL_LSDB(oi->lsupdate_list, lsa))
vty_out(vty, " %s\n", lsa->name);
timerclear(&res);
if (oi->thread_send_lsack)
timersub(&oi->thread_send_lsack->u.sands, &now, &res);
timerstring(&res, duration, sizeof(duration));
vty_out(vty, " %d Pending LSAs for LSAck in Time %s [thread %s]\n",
oi->lsack_list->count, duration,
(oi->thread_send_lsack ? "on" : "off"));
for (ALL_LSDB(oi->lsack_list, lsa))
vty_out(vty, " %s\n", lsa->name);
ospf6_bfd_show_info(vty, oi->bfd_info, 1);
return 0;
}
/* show interface */
DEFUN (show_ipv6_ospf6_interface,
show_ipv6_ospf6_interface_ifname_cmd,
"show ipv6 ospf6 interface [IFNAME]",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
IFNAME_STR)
{
struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
int idx_ifname = 4;
struct interface *ifp;
if (argc == 5) {
ifp = if_lookup_by_name(argv[idx_ifname]->arg, VRF_DEFAULT);
if (ifp == NULL) {
vty_out(vty, "No such Interface: %s\n",
argv[idx_ifname]->arg);
return CMD_WARNING;
}
ospf6_interface_show(vty, ifp);
} else {
FOR_ALL_INTERFACES (vrf, ifp)
ospf6_interface_show(vty, ifp);
}
return CMD_SUCCESS;
}
static int ospf6_interface_show_traffic(struct vty *vty, uint32_t vrf_id,
struct interface *intf_ifp,
int display_once)
{
struct interface *ifp;
struct vrf *vrf = NULL;
struct ospf6_interface *oi = NULL;
vrf = vrf_lookup_by_id(vrf_id);
if (!display_once) {
vty_out(vty, "\n");
vty_out(vty, "%-12s%-17s%-17s%-17s%-17s%-17s\n", "Interface",
" HELLO", " DB-Desc", " LS-Req", " LS-Update",
" LS-Ack");
vty_out(vty, "%-10s%-18s%-18s%-17s%-17s%-17s\n", "",
" Rx/Tx", " Rx/Tx", " Rx/Tx", " Rx/Tx",
" Rx/Tx");
vty_out(vty,
"--------------------------------------------------------------------------------------------\n");
}
if (intf_ifp == NULL) {
FOR_ALL_INTERFACES (vrf, ifp) {
if (ifp->info)
oi = (struct ospf6_interface *)ifp->info;
else
continue;
vty_out(vty,
"%-10s %8u/%-8u %7u/%-7u %7u/%-7u %7u/%-7u %7u/%-7u\n",
oi->interface->name, oi->hello_in,
oi->hello_out, oi->db_desc_in, oi->db_desc_out,
oi->ls_req_in, oi->ls_req_out, oi->ls_upd_in,
oi->ls_upd_out, oi->ls_ack_in, oi->ls_ack_out);
}
} else {
oi = intf_ifp->info;
if (oi == NULL)
return CMD_WARNING;
vty_out(vty,
"%-10s %8u/%-8u %7u/%-7u %7u/%-7u %7u/%-7u %7u/%-7u\n",
oi->interface->name, oi->hello_in, oi->hello_out,
oi->db_desc_in, oi->db_desc_out, oi->ls_req_in,
oi->ls_req_out, oi->ls_upd_in, oi->ls_upd_out,
oi->ls_ack_in, oi->ls_ack_out);
}
return CMD_SUCCESS;
}
/* show interface */
DEFUN (show_ipv6_ospf6_interface_traffic,
show_ipv6_ospf6_interface_traffic_cmd,
"show ipv6 ospf6 interface traffic [IFNAME]",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
"Protocol Packet counters\n"
IFNAME_STR)
{
int idx_ifname = 0;
int display_once = 0;
char *intf_name = NULL;
struct interface *ifp = NULL;
if (argv_find(argv, argc, "IFNAME", &idx_ifname)) {
intf_name = argv[idx_ifname]->arg;
ifp = if_lookup_by_name(intf_name, VRF_DEFAULT);
if (ifp == NULL) {
vty_out(vty, "No such Interface: %s\n", intf_name);
return CMD_WARNING;
}
if (ifp->info == NULL) {
vty_out(vty,
" OSPF not enabled on this interface %s\n",
intf_name);
return 0;
}
}
ospf6_interface_show_traffic(vty, VRF_DEFAULT, ifp, display_once);
return CMD_SUCCESS;
}
DEFUN (show_ipv6_ospf6_interface_ifname_prefix,
show_ipv6_ospf6_interface_ifname_prefix_cmd,
"show ipv6 ospf6 interface IFNAME prefix\
[<\
detail\
|<X:X::X:X|X:X::X:X/M> [<match|detail>]\
>]",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
IFNAME_STR
"Display connected prefixes to advertise\n"
"Display details of the prefixes\n"
OSPF6_ROUTE_ADDRESS_STR
OSPF6_ROUTE_PREFIX_STR
OSPF6_ROUTE_MATCH_STR
"Display details of the prefixes\n")
{
int idx_ifname = 4;
int idx_prefix = 6;
struct interface *ifp;
struct ospf6_interface *oi;
ifp = if_lookup_by_name(argv[idx_ifname]->arg, VRF_DEFAULT);
if (ifp == NULL) {
vty_out(vty, "No such Interface: %s\n", argv[idx_ifname]->arg);
return CMD_WARNING;
}
oi = ifp->info;
if (oi == NULL) {
vty_out(vty, "OSPFv3 is not enabled on %s\n",
argv[idx_ifname]->arg);
return CMD_WARNING;
}
ospf6_route_table_show(vty, idx_prefix, argc, argv,
oi->route_connected);
return CMD_SUCCESS;
}
DEFUN (show_ipv6_ospf6_interface_prefix,
show_ipv6_ospf6_interface_prefix_cmd,
"show ipv6 ospf6 interface prefix\
[<\
detail\
|<X:X::X:X|X:X::X:X/M> [<match|detail>]\
>]",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
"Display connected prefixes to advertise\n"
"Display details of the prefixes\n"
OSPF6_ROUTE_ADDRESS_STR
OSPF6_ROUTE_PREFIX_STR
OSPF6_ROUTE_MATCH_STR
"Display details of the prefixes\n")
{
struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
int idx_prefix = 5;
struct ospf6_interface *oi;
struct interface *ifp;
FOR_ALL_INTERFACES (vrf, ifp) {
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
continue;
ospf6_route_table_show(vty, idx_prefix, argc, argv,
oi->route_connected);
}
return CMD_SUCCESS;
}
/* interface variable set command */
DEFUN (ipv6_ospf6_ifmtu,
ipv6_ospf6_ifmtu_cmd,
"ipv6 ospf6 ifmtu (1-65535)",
IP6_STR
OSPF6_STR
"Interface MTU\n"
"OSPFv3 Interface MTU\n"
)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
int idx_number = 3;
struct ospf6_interface *oi;
unsigned int ifmtu, iobuflen;
struct listnode *node, *nnode;
struct ospf6_neighbor *on;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
ifmtu = strtol(argv[idx_number]->arg, NULL, 10);
if (oi->c_ifmtu == ifmtu)
return CMD_SUCCESS;
if (ifp->mtu6 != 0 && ifp->mtu6 < ifmtu) {
vty_out(vty,
"%s's ospf6 ifmtu cannot go beyond physical mtu (%d)\n",
ifp->name, ifp->mtu6);
return CMD_WARNING_CONFIG_FAILED;
}
if (oi->ifmtu < ifmtu) {
iobuflen = ospf6_iobuf_size(ifmtu);
if (iobuflen < ifmtu) {
vty_out(vty,
"%s's ifmtu is adjusted to I/O buffer size (%d).\n",
ifp->name, iobuflen);
oi->ifmtu = oi->c_ifmtu = iobuflen;
} else
oi->ifmtu = oi->c_ifmtu = ifmtu;
} else
oi->ifmtu = oi->c_ifmtu = ifmtu;
/* re-establish adjacencies */
for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
THREAD_OFF(on->inactivity_timer);
thread_add_event(master, inactivity_timer, on, 0, NULL);
}
return CMD_SUCCESS;
}
DEFUN (no_ipv6_ospf6_ifmtu,
no_ipv6_ospf6_ifmtu_cmd,
"no ipv6 ospf6 ifmtu [(1-65535)]",
NO_STR
IP6_STR
OSPF6_STR
"Interface MTU\n"
"OSPFv3 Interface MTU\n"
)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct ospf6_interface *oi;
unsigned int iobuflen;
struct listnode *node, *nnode;
struct ospf6_neighbor *on;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
if (oi->ifmtu < ifp->mtu) {
iobuflen = ospf6_iobuf_size(ifp->mtu);
if (iobuflen < ifp->mtu) {
vty_out(vty,
"%s's ifmtu is adjusted to I/O buffer size (%d).\n",
ifp->name, iobuflen);
oi->ifmtu = iobuflen;
} else
oi->ifmtu = ifp->mtu;
} else
oi->ifmtu = ifp->mtu;
oi->c_ifmtu = 0;
/* re-establish adjacencies */
for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
THREAD_OFF(on->inactivity_timer);
thread_add_event(master, inactivity_timer, on, 0, NULL);
}
return CMD_SUCCESS;
}
DEFUN (ipv6_ospf6_cost,
ipv6_ospf6_cost_cmd,
"ipv6 ospf6 cost (1-65535)",
IP6_STR
OSPF6_STR
"Interface cost\n"
"Outgoing metric of this interface\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
int idx_number = 3;
struct ospf6_interface *oi;
unsigned long int lcost;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
lcost = strtol(argv[idx_number]->arg, NULL, 10);
if (lcost > UINT32_MAX) {
vty_out(vty, "Cost %ld is out of range\n", lcost);
return CMD_WARNING_CONFIG_FAILED;
}
if (oi->cost == lcost)
return CMD_SUCCESS;
oi->cost = lcost;
SET_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST);
ospf6_interface_force_recalculate_cost(oi);
return CMD_SUCCESS;
}
DEFUN (no_ipv6_ospf6_cost,
no_ipv6_ospf6_cost_cmd,
"no ipv6 ospf6 cost [(1-65535)]",
NO_STR
IP6_STR
OSPF6_STR
"Calculate interface cost from bandwidth\n"
"Outgoing metric of this interface\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
UNSET_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST);
ospf6_interface_recalculate_cost(oi);
return CMD_SUCCESS;
}
DEFUN (auto_cost_reference_bandwidth,
auto_cost_reference_bandwidth_cmd,
"auto-cost reference-bandwidth (1-4294967)",
"Calculate OSPF interface cost according to bandwidth\n"
"Use reference bandwidth method to assign OSPF cost\n"
"The reference bandwidth in terms of Mbits per second\n")
{
VTY_DECLVAR_CONTEXT(ospf6, o);
int idx_number = 2;
struct ospf6_area *oa;
struct ospf6_interface *oi;
struct listnode *i, *j;
uint32_t refbw;
refbw = strtol(argv[idx_number]->arg, NULL, 10);
if (refbw < 1 || refbw > 4294967) {
vty_out(vty, "reference-bandwidth value is invalid\n");
return CMD_WARNING_CONFIG_FAILED;
}
/* If reference bandwidth is changed. */
if ((refbw) == o->ref_bandwidth)
return CMD_SUCCESS;
o->ref_bandwidth = refbw;
for (ALL_LIST_ELEMENTS_RO(o->area_list, i, oa))
for (ALL_LIST_ELEMENTS_RO(oa->if_list, j, oi))
ospf6_interface_recalculate_cost(oi);
return CMD_SUCCESS;
}
DEFUN (no_auto_cost_reference_bandwidth,
no_auto_cost_reference_bandwidth_cmd,
"no auto-cost reference-bandwidth [(1-4294967)]",
NO_STR
"Calculate OSPF interface cost according to bandwidth\n"
"Use reference bandwidth method to assign OSPF cost\n"
"The reference bandwidth in terms of Mbits per second\n")
{
VTY_DECLVAR_CONTEXT(ospf6, o);
struct ospf6_area *oa;
struct ospf6_interface *oi;
struct listnode *i, *j;
if (o->ref_bandwidth == OSPF6_REFERENCE_BANDWIDTH)
return CMD_SUCCESS;
o->ref_bandwidth = OSPF6_REFERENCE_BANDWIDTH;
for (ALL_LIST_ELEMENTS_RO(o->area_list, i, oa))
for (ALL_LIST_ELEMENTS_RO(oa->if_list, j, oi))
ospf6_interface_recalculate_cost(oi);
return CMD_SUCCESS;
}
DEFUN (ipv6_ospf6_hellointerval,
ipv6_ospf6_hellointerval_cmd,
"ipv6 ospf6 hello-interval (1-65535)",
IP6_STR
OSPF6_STR
"Time between HELLO packets\n"
SECONDS_STR)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
int idx_number = 3;
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
oi->hello_interval = strmatch(argv[0]->text, "no")
? OSPF_HELLO_INTERVAL_DEFAULT
: strtoul(argv[idx_number]->arg, NULL, 10);
return CMD_SUCCESS;
}
ALIAS (ipv6_ospf6_hellointerval,
no_ipv6_ospf6_hellointerval_cmd,
"no ipv6 ospf6 hello-interval [(1-65535)]",
NO_STR
IP6_STR
OSPF6_STR
"Time between HELLO packets\n"
SECONDS_STR)
/* interface variable set command */
DEFUN (ipv6_ospf6_deadinterval,
ipv6_ospf6_deadinterval_cmd,
"ipv6 ospf6 dead-interval (1-65535)",
IP6_STR
OSPF6_STR
"Interval time after which a neighbor is declared down\n"
SECONDS_STR)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
int idx_number = 3;
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
oi->dead_interval = strmatch(argv[0]->arg, "no")
? OSPF_ROUTER_DEAD_INTERVAL_DEFAULT
: strtoul(argv[idx_number]->arg, NULL, 10);
return CMD_SUCCESS;
}
ALIAS (ipv6_ospf6_deadinterval,
no_ipv6_ospf6_deadinterval_cmd,
"no ipv6 ospf6 dead-interval [(1-65535)]",
NO_STR
IP6_STR
OSPF6_STR
"Interval time after which a neighbor is declared down\n"
SECONDS_STR)
/* interface variable set command */
DEFUN (ipv6_ospf6_transmitdelay,
ipv6_ospf6_transmitdelay_cmd,
"ipv6 ospf6 transmit-delay (1-3600)",
IP6_STR
OSPF6_STR
"Link state transmit delay\n"
SECONDS_STR)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
int idx_number = 3;
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
oi->transdelay = strmatch(argv[0]->text, "no")
? OSPF6_INTERFACE_TRANSDELAY
: strtoul(argv[idx_number]->arg, NULL, 10);
return CMD_SUCCESS;
}
ALIAS (ipv6_ospf6_transmitdelay,
no_ipv6_ospf6_transmitdelay_cmd,
"no ipv6 ospf6 transmit-delay [(1-3600)]",
NO_STR
IP6_STR
OSPF6_STR
"Link state transmit delay\n"
SECONDS_STR)
/* interface variable set command */
DEFUN (ipv6_ospf6_retransmitinterval,
ipv6_ospf6_retransmitinterval_cmd,
"ipv6 ospf6 retransmit-interval (1-65535)",
IP6_STR
OSPF6_STR
"Time between retransmitting lost link state advertisements\n"
SECONDS_STR)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
int idx_number = 3;
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
oi->rxmt_interval = strmatch(argv[0]->text, "no")
? OSPF_RETRANSMIT_INTERVAL_DEFAULT
: strtoul(argv[idx_number]->arg, NULL, 10);
return CMD_SUCCESS;
}
ALIAS (ipv6_ospf6_retransmitinterval,
no_ipv6_ospf6_retransmitinterval_cmd,
"no ipv6 ospf6 retransmit-interval [(1-65535)]",
NO_STR
IP6_STR
OSPF6_STR
"Time between retransmitting lost link state advertisements\n"
SECONDS_STR)
/* interface variable set command */
DEFUN (ipv6_ospf6_priority,
ipv6_ospf6_priority_cmd,
"ipv6 ospf6 priority (0-255)",
IP6_STR
OSPF6_STR
"Router priority\n"
"Priority value\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
int idx_number = 3;
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
oi->priority = strmatch(argv[0]->text, "no")
? OSPF6_INTERFACE_PRIORITY
: strtoul(argv[idx_number]->arg, NULL, 10);
if (oi->area && (oi->state == OSPF6_INTERFACE_DROTHER
|| oi->state == OSPF6_INTERFACE_BDR
|| oi->state == OSPF6_INTERFACE_DR))
ospf6_interface_state_change(dr_election(oi), oi);
return CMD_SUCCESS;
}
ALIAS (ipv6_ospf6_priority,
no_ipv6_ospf6_priority_cmd,
"no ipv6 ospf6 priority [(0-255)]",
NO_STR
IP6_STR
OSPF6_STR
"Router priority\n"
"Priority value\n")
DEFUN (ipv6_ospf6_instance,
ipv6_ospf6_instance_cmd,
"ipv6 ospf6 instance-id (0-255)",
IP6_STR
OSPF6_STR
"Instance ID for this interface\n"
"Instance ID value\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
int idx_number = 3;
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
oi->instance_id = strmatch(argv[0]->text, "no")
? OSPF6_INTERFACE_INSTANCE_ID
: strtoul(argv[idx_number]->arg, NULL, 10);
return CMD_SUCCESS;
}
ALIAS (ipv6_ospf6_instance,
no_ipv6_ospf6_instance_cmd,
"no ipv6 ospf6 instance-id [(0-255)]",
NO_STR
IP6_STR
OSPF6_STR
"Instance ID for this interface\n"
"Instance ID value\n")
DEFUN (ipv6_ospf6_passive,
ipv6_ospf6_passive_cmd,
"ipv6 ospf6 passive",
IP6_STR
OSPF6_STR
"Passive interface; no adjacency will be formed on this interface\n"
)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct ospf6_interface *oi;
struct listnode *node, *nnode;
struct ospf6_neighbor *on;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
SET_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE);
THREAD_OFF(oi->thread_send_hello);
THREAD_OFF(oi->thread_sso);
for (ALL_LIST_ELEMENTS(oi->neighbor_list, node, nnode, on)) {
THREAD_OFF(on->inactivity_timer);
thread_add_event(master, inactivity_timer, on, 0, NULL);
}
return CMD_SUCCESS;
}
DEFUN (no_ipv6_ospf6_passive,
no_ipv6_ospf6_passive_cmd,
"no ipv6 ospf6 passive",
NO_STR
IP6_STR
OSPF6_STR
"passive interface: No Adjacency will be formed on this I/F\n"
)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
UNSET_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE);
THREAD_OFF(oi->thread_send_hello);
THREAD_OFF(oi->thread_sso);
thread_add_event(master, ospf6_hello_send, oi, 0,
&oi->thread_send_hello);
return CMD_SUCCESS;
}
DEFUN (ipv6_ospf6_mtu_ignore,
ipv6_ospf6_mtu_ignore_cmd,
"ipv6 ospf6 mtu-ignore",
IP6_STR
OSPF6_STR
"Disable MTU mismatch detection on this interface\n"
)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
oi->mtu_ignore = 1;
return CMD_SUCCESS;
}
DEFUN (no_ipv6_ospf6_mtu_ignore,
no_ipv6_ospf6_mtu_ignore_cmd,
"no ipv6 ospf6 mtu-ignore",
NO_STR
IP6_STR
OSPF6_STR
"Disable MTU mismatch detection on this interface\n"
)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
oi->mtu_ignore = 0;
return CMD_SUCCESS;
}
DEFUN (ipv6_ospf6_advertise_prefix_list,
ipv6_ospf6_advertise_prefix_list_cmd,
"ipv6 ospf6 advertise prefix-list WORD",
IP6_STR
OSPF6_STR
"Advertising options\n"
"Filter prefix using prefix-list\n"
"Prefix list name\n"
)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
int idx_word = 4;
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
if (oi->plist_name)
XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
oi->plist_name = XSTRDUP(MTYPE_CFG_PLIST_NAME, argv[idx_word]->arg);
ospf6_interface_connected_route_update(oi->interface);
if (oi->area) {
OSPF6_LINK_LSA_SCHEDULE(oi);
if (oi->state == OSPF6_INTERFACE_DR) {
OSPF6_NETWORK_LSA_SCHEDULE(oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
}
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
}
return CMD_SUCCESS;
}
DEFUN (no_ipv6_ospf6_advertise_prefix_list,
no_ipv6_ospf6_advertise_prefix_list_cmd,
"no ipv6 ospf6 advertise prefix-list [WORD]",
NO_STR
IP6_STR
OSPF6_STR
"Advertising options\n"
"Filter prefix using prefix-list\n"
"Prefix list name\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create(ifp);
assert(oi);
if (oi->plist_name)
XFREE(MTYPE_CFG_PLIST_NAME, oi->plist_name);
ospf6_interface_connected_route_update(oi->interface);
if (oi->area) {
OSPF6_LINK_LSA_SCHEDULE(oi);
if (oi->state == OSPF6_INTERFACE_DR) {
OSPF6_NETWORK_LSA_SCHEDULE(oi);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi);
}
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oi->area);
}
return CMD_SUCCESS;
}
DEFUN (ipv6_ospf6_network,
ipv6_ospf6_network_cmd,
"ipv6 ospf6 network <broadcast|point-to-point>",
IP6_STR
OSPF6_STR
"Network type\n"
"Specify OSPF6 broadcast network\n"
"Specify OSPF6 point-to-point network\n"
)
{
VTY_DECLVAR_CONTEXT(interface, ifp);
int idx_network = 3;
struct ospf6_interface *oi;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL) {
oi = ospf6_interface_create(ifp);
}
assert(oi);
if (strncmp(argv[idx_network]->arg, "b", 1) == 0) {
if (oi->type == OSPF_IFTYPE_BROADCAST)
return CMD_SUCCESS;
oi->type = OSPF_IFTYPE_BROADCAST;
} else if (strncmp(argv[idx_network]->arg, "point-to-p", 10) == 0) {
if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
return CMD_SUCCESS;
}
oi->type = OSPF_IFTYPE_POINTOPOINT;
}
/* Reset the interface */
thread_execute(master, interface_down, oi, 0);
thread_execute(master, interface_up, oi, 0);
return CMD_SUCCESS;
}
DEFUN (no_ipv6_ospf6_network,
no_ipv6_ospf6_network_cmd,
"no ipv6 ospf6 network [<broadcast|point-to-point>]",
NO_STR
IP6_STR
OSPF6_STR
"Set default network type\n"
"Specify OSPF6 broadcast network\n"
"Specify OSPF6 point-to-point network\n")
{
VTY_DECLVAR_CONTEXT(interface, ifp);
struct ospf6_interface *oi;
int type;
assert(ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL) {
return CMD_SUCCESS;
}
type = ospf6_default_iftype(ifp);
if (oi->type == type) {
return CMD_SUCCESS;
}
oi->type = type;
/* Reset the interface */
thread_execute(master, interface_down, oi, 0);
thread_execute(master, interface_up, oi, 0);
return CMD_SUCCESS;
}
static int config_write_ospf6_interface(struct vty *vty)
{
struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
struct ospf6_interface *oi;
struct interface *ifp;
FOR_ALL_INTERFACES (vrf, ifp) {
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
continue;
vty_frame(vty, "interface %s\n", oi->interface->name);
if (ifp->desc)
vty_out(vty, " description %s\n", ifp->desc);
if (oi->c_ifmtu)
vty_out(vty, " ipv6 ospf6 ifmtu %d\n", oi->c_ifmtu);
if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_NOAUTOCOST))
vty_out(vty, " ipv6 ospf6 cost %d\n", oi->cost);
if (oi->hello_interval != OSPF6_INTERFACE_HELLO_INTERVAL)
vty_out(vty, " ipv6 ospf6 hello-interval %d\n",
oi->hello_interval);
if (oi->dead_interval != OSPF6_INTERFACE_DEAD_INTERVAL)
vty_out(vty, " ipv6 ospf6 dead-interval %d\n",
oi->dead_interval);
if (oi->rxmt_interval != OSPF6_INTERFACE_RXMT_INTERVAL)
vty_out(vty, " ipv6 ospf6 retransmit-interval %d\n",
oi->rxmt_interval);
if (oi->priority != OSPF6_INTERFACE_PRIORITY)
vty_out(vty, " ipv6 ospf6 priority %d\n", oi->priority);
if (oi->transdelay != OSPF6_INTERFACE_TRANSDELAY)
vty_out(vty, " ipv6 ospf6 transmit-delay %d\n",
oi->transdelay);
if (oi->instance_id != OSPF6_INTERFACE_INSTANCE_ID)
vty_out(vty, " ipv6 ospf6 instance-id %d\n",
oi->instance_id);
if (oi->plist_name)
vty_out(vty, " ipv6 ospf6 advertise prefix-list %s\n",
oi->plist_name);
if (CHECK_FLAG(oi->flag, OSPF6_INTERFACE_PASSIVE))
vty_out(vty, " ipv6 ospf6 passive\n");
if (oi->mtu_ignore)
vty_out(vty, " ipv6 ospf6 mtu-ignore\n");
if (oi->type != ospf6_default_iftype(ifp)) {
if (oi->type == OSPF_IFTYPE_POINTOPOINT)
vty_out(vty,
" ipv6 ospf6 network point-to-point\n");
else if (oi->type == OSPF_IFTYPE_BROADCAST)
vty_out(vty, " ipv6 ospf6 network broadcast\n");
}
ospf6_bfd_write_config(vty, oi);
vty_endframe(vty, "!\n");
}
return 0;
}
static struct cmd_node interface_node = {
INTERFACE_NODE, "%s(config-if)# ", 1 /* VTYSH */
};
void ospf6_interface_init(void)
{
/* Install interface node. */
install_node(&interface_node, config_write_ospf6_interface);
if_cmd_init();
install_element(VIEW_NODE, &show_ipv6_ospf6_interface_prefix_cmd);
install_element(VIEW_NODE, &show_ipv6_ospf6_interface_ifname_cmd);
install_element(VIEW_NODE,
&show_ipv6_ospf6_interface_ifname_prefix_cmd);
install_element(VIEW_NODE, &show_ipv6_ospf6_interface_traffic_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_cost_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_cost_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_ifmtu_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_ifmtu_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_deadinterval_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_hellointerval_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_priority_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_retransmitinterval_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_transmitdelay_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_instance_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_deadinterval_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_hellointerval_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_priority_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_retransmitinterval_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_transmitdelay_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_instance_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_passive_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_passive_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_mtu_ignore_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_mtu_ignore_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_advertise_prefix_list_cmd);
install_element(INTERFACE_NODE,
&no_ipv6_ospf6_advertise_prefix_list_cmd);
install_element(INTERFACE_NODE, &ipv6_ospf6_network_cmd);
install_element(INTERFACE_NODE, &no_ipv6_ospf6_network_cmd);
/* reference bandwidth commands */
install_element(OSPF6_NODE, &auto_cost_reference_bandwidth_cmd);
install_element(OSPF6_NODE, &no_auto_cost_reference_bandwidth_cmd);
}
/* Clear the specified interface structure */
static void ospf6_interface_clear(struct vty *vty, struct interface *ifp)
{
struct ospf6_interface *oi;
if (!if_is_operative(ifp))
return;
if (ifp->info == NULL)
return;
oi = (struct ospf6_interface *)ifp->info;
if (IS_OSPF6_DEBUG_INTERFACE)
zlog_debug("Interface %s: clear by reset", ifp->name);
/* Reset the interface */
thread_execute(master, interface_down, oi, 0);
thread_execute(master, interface_up, oi, 0);
}
/* Clear interface */
DEFUN (clear_ipv6_ospf6_interface,
clear_ipv6_ospf6_interface_cmd,
"clear ipv6 ospf6 interface [IFNAME]",
CLEAR_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
IFNAME_STR
)
{
struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
int idx_ifname = 4;
struct interface *ifp;
if (argc == 4) /* Clear all the ospfv3 interfaces. */
{
FOR_ALL_INTERFACES (vrf, ifp)
ospf6_interface_clear(vty, ifp);
} else /* Interface name is specified. */
{
if ((ifp = if_lookup_by_name(argv[idx_ifname]->arg,
VRF_DEFAULT))
== NULL) {
vty_out(vty, "No such Interface: %s\n",
argv[idx_ifname]->arg);
return CMD_WARNING;
}
ospf6_interface_clear(vty, ifp);
}
return CMD_SUCCESS;
}
void install_element_ospf6_clear_interface(void)
{
install_element(ENABLE_NODE, &clear_ipv6_ospf6_interface_cmd);
}
DEFUN (debug_ospf6_interface,
debug_ospf6_interface_cmd,
"debug ospf6 interface",
DEBUG_STR
OSPF6_STR
"Debug OSPFv3 Interface\n"
)
{
OSPF6_DEBUG_INTERFACE_ON();
return CMD_SUCCESS;
}
DEFUN (no_debug_ospf6_interface,
no_debug_ospf6_interface_cmd,
"no debug ospf6 interface",
NO_STR
DEBUG_STR
OSPF6_STR
"Debug OSPFv3 Interface\n"
)
{
OSPF6_DEBUG_INTERFACE_OFF();
return CMD_SUCCESS;
}
int config_write_ospf6_debug_interface(struct vty *vty)
{
if (IS_OSPF6_DEBUG_INTERFACE)
vty_out(vty, "debug ospf6 interface\n");
return 0;
}
void install_element_ospf6_debug_interface(void)
{
install_element(ENABLE_NODE, &debug_ospf6_interface_cmd);
install_element(ENABLE_NODE, &no_debug_ospf6_interface_cmd);
install_element(CONFIG_NODE, &debug_ospf6_interface_cmd);
install_element(CONFIG_NODE, &no_debug_ospf6_interface_cmd);
}