/*
* Copyright (C) 2003 Yasuhiro Ohara
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <zebra.h>
#include "memory.h"
#include "if.h"
#include "log.h"
#include "command.h"
#include "thread.h"
#include "prefix.h"
#include "plist.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 "ospf6_snmp.h"
#include "ospf6d.h"
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);
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);
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 u_char
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 u_int32_t
ospf6_interface_get_cost (struct ospf6_interface *oi)
{
/* If all else fails, use default OSPF cost */
u_int32_t cost;
u_int32_t bw, refbw;
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 = (u_int32_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_recalculate_cost (struct ospf6_interface *oi)
{
u_int32_t newcost;
newcost = ospf6_interface_get_cost (oi);
if (newcost == oi->cost) return;
oi->cost = newcost;
/* 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);
}
}
/* 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));
if (!oi)
{
zlog_err ("Can't malloc ospf6_interface for ifindex %d", ifp->ifindex);
return (struct ospf6_interface *) NULL;
}
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;
/* 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;
}
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;
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);
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_PREFIX_LIST_STR, oi->plist_name);
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_network_lsa);
THREAD_OFF (oi->thread_link_lsa);
THREAD_OFF (oi->thread_intra_prefix_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_if_del (struct interface *ifp)
{
struct ospf6_interface *oi;
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
return;
/* interface stop */
if (oi->area)
thread_execute (master, interface_down, oi, 0);
listnode_delete (oi->area->if_list, oi);
oi->area = (struct ospf6_area *) NULL;
/* cut link */
oi->interface = NULL;
ifp->info = NULL;
ospf6_interface_delete (oi);
}
void
ospf6_interface_state_update (struct interface *ifp)
{
struct ospf6_interface *oi;
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
return;
if (oi->area == NULL)
return;
if (CHECK_FLAG (oi->flag, OSPF6_INTERFACE_DISABLE))
return;
if (if_is_operative (ifp)
&& (ospf6_interface_get_linklocal_address(oi->interface)
|| if_is_loopback(oi->interface)))
thread_add_event (master, interface_up, oi, 0);
else
thread_add_event (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;
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[128];
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;
route->nexthop[0].ifindex = oi->interface->ifindex;
inet_pton (AF_INET6, "::1", &route->nexthop[0].address);
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 (u_char next_state, struct ospf6_interface *oi)
{
u_char 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);
}
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);
}
#ifdef HAVE_SNMP
/* Terminal state or regression */
if ((next_state == OSPF6_INTERFACE_POINTTOPOINT) ||
(next_state == OSPF6_INTERFACE_DROTHER) ||
(next_state == OSPF6_INTERFACE_BDR) ||
(next_state == OSPF6_INTERFACE_DR) ||
(next_state < prev_state))
ospf6TrapIfStateChange (oi);
#endif
}
/* 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 u_char
dr_election (struct ospf6_interface *oi)
{
struct listnode *node, *nnode;
struct ospf6_neighbor *on, *drouter, *bdrouter, myself;
struct ospf6_neighbor *best_drouter, *best_bdrouter;
u_char 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);
}
}
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);
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;
}
/* Join AllSPFRouters */
ospf6_sso (oi->interface->ifindex, &allspfrouters6, IPV6_JOIN_GROUP);
/* Update interface route */
ospf6_interface_connected_route_update (oi->interface);
/* Schedule Hello */
if (! CHECK_FLAG (oi->flag, OSPF6_INTERFACE_PASSIVE))
oi->thread_send_hello = thread_add_event (master, ospf6_hello_send, oi, 0);
/* 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);
}
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);
/* 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[64], drouter[32], bdrouter[32];
const char *updown[3] = {"down", "up", NULL};
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%s",
ifp->name, updown[if_is_operative (ifp)], type,
VNL);
vty_out (vty, " Interface ID: %d%s", ifp->ifindex, VNL);
if (ifp->info == NULL)
{
vty_out (vty, " OSPF not enabled on this interface%s", VNL);
return 0;
}
else
oi = (struct ospf6_interface *) ifp->info;
vty_out (vty, " Internet Address:%s", VNL);
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%s", strbuf,
VNL);
break;
case AF_INET6:
vty_out (vty, " inet6: %s%s", strbuf,
VNL);
break;
default:
vty_out (vty, " ??? : %s%s", strbuf,
VNL);
break;
}
}
if (oi->area)
{
vty_out (vty, " Instance ID %d, Interface MTU %d (autodetect: %d)%s",
oi->instance_id, oi->ifmtu, ifp->mtu6, VNL);
vty_out (vty, " MTU mismatch detection: %s%s", oi->mtu_ignore ?
"disabled" : "enabled", VNL);
inet_ntop (AF_INET, &oi->area->area_id,
strbuf, sizeof (strbuf));
vty_out (vty, " Area ID %s, Cost %u%s", strbuf, oi->cost,
VNL);
}
else
vty_out (vty, " Not Attached to Area%s", VNL);
vty_out (vty, " State %s, Transmit Delay %d sec, Priority %d%s",
ospf6_interface_state_str[oi->state],
oi->transdelay, oi->priority,
VNL);
vty_out (vty, " Timer intervals configured:%s", VNL);
vty_out (vty, " Hello %d, Dead %d, Retransmit %d%s",
oi->hello_interval, oi->dead_interval, oi->rxmt_interval,
VNL);
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%s", drouter, bdrouter, VNL);
vty_out (vty, " Number of I/F scoped LSAs is %u%s",
oi->lsdb->count, VNL);
quagga_gettime (QUAGGA_CLK_MONOTONIC, &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]%s",
oi->lsupdate_list->count, duration,
(oi->thread_send_lsupdate ? "on" : "off"),
VNL);
for (lsa = ospf6_lsdb_head (oi->lsupdate_list); lsa;
lsa = ospf6_lsdb_next (lsa))
vty_out (vty, " %s%s", lsa->name, VNL);
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]%s",
oi->lsack_list->count, duration,
(oi->thread_send_lsack ? "on" : "off"),
VNL);
for (lsa = ospf6_lsdb_head (oi->lsack_list); lsa;
lsa = ospf6_lsdb_next (lsa))
vty_out (vty, " %s%s", lsa->name, VNL);
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 interface *ifp;
struct listnode *i;
if (argc)
{
ifp = if_lookup_by_name (argv[0]);
if (ifp == NULL)
{
vty_out (vty, "No such Interface: %s%s", argv[0],
VNL);
return CMD_WARNING;
}
ospf6_interface_show (vty, ifp);
}
else
{
for (ALL_LIST_ELEMENTS_RO (iflist, i, ifp))
ospf6_interface_show (vty, ifp);
}
return CMD_SUCCESS;
}
ALIAS (show_ipv6_ospf6_interface,
show_ipv6_ospf6_interface_cmd,
"show ipv6 ospf6 interface",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
)
DEFUN (show_ipv6_ospf6_interface_ifname_prefix,
show_ipv6_ospf6_interface_ifname_prefix_cmd,
"show ipv6 ospf6 interface IFNAME prefix",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
IFNAME_STR
"Display connected prefixes to advertise\n"
)
{
struct interface *ifp;
struct ospf6_interface *oi;
ifp = if_lookup_by_name (argv[0]);
if (ifp == NULL)
{
vty_out (vty, "No such Interface: %s%s", argv[0], VNL);
return CMD_WARNING;
}
oi = ifp->info;
if (oi == NULL)
{
vty_out (vty, "OSPFv3 is not enabled on %s%s", argv[0], VNL);
return CMD_WARNING;
}
argc--;
argv++;
ospf6_route_table_show (vty, argc, argv, oi->route_connected);
return CMD_SUCCESS;
}
ALIAS (show_ipv6_ospf6_interface_ifname_prefix,
show_ipv6_ospf6_interface_ifname_prefix_detail_cmd,
"show ipv6 ospf6 interface IFNAME prefix (X:X::X:X|X:X::X:X/M|detail)",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
IFNAME_STR
"Display connected prefixes to advertise\n"
OSPF6_ROUTE_ADDRESS_STR
OSPF6_ROUTE_PREFIX_STR
"Display details of the prefixes\n"
)
ALIAS (show_ipv6_ospf6_interface_ifname_prefix,
show_ipv6_ospf6_interface_ifname_prefix_match_cmd,
"show ipv6 ospf6 interface IFNAME prefix X:X::X:X/M (match|detail)",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
IFNAME_STR
"Display connected prefixes to advertise\n"
OSPF6_ROUTE_PREFIX_STR
OSPF6_ROUTE_MATCH_STR
"Display details of the prefixes\n"
)
DEFUN (show_ipv6_ospf6_interface_prefix,
show_ipv6_ospf6_interface_prefix_cmd,
"show ipv6 ospf6 interface prefix",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
"Display connected prefixes to advertise\n"
)
{
struct listnode *i;
struct ospf6_interface *oi;
struct interface *ifp;
for (ALL_LIST_ELEMENTS_RO (iflist, i, ifp))
{
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
continue;
ospf6_route_table_show (vty, argc, argv, oi->route_connected);
}
return CMD_SUCCESS;
}
ALIAS (show_ipv6_ospf6_interface_prefix,
show_ipv6_ospf6_interface_prefix_detail_cmd,
"show ipv6 ospf6 interface prefix (X:X::X:X|X:X::X:X/M|detail)",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
"Display connected prefixes to advertise\n"
OSPF6_ROUTE_ADDRESS_STR
OSPF6_ROUTE_PREFIX_STR
"Display details of the prefixes\n"
)
ALIAS (show_ipv6_ospf6_interface_prefix,
show_ipv6_ospf6_interface_prefix_match_cmd,
"show ipv6 ospf6 interface prefix X:X::X:X/M (match|detail)",
SHOW_STR
IP6_STR
OSPF6_STR
INTERFACE_STR
"Display connected prefixes to advertise\n"
OSPF6_ROUTE_PREFIX_STR
OSPF6_ROUTE_MATCH_STR
"Display details of the prefixes\n"
)
/* 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"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
unsigned int ifmtu, iobuflen;
struct listnode *node, *nnode;
struct ospf6_neighbor *on;
ifp = (struct interface *) vty->index;
assert (ifp);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
assert (oi);
ifmtu = strtol (argv[0], NULL, 10);
if (oi->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)%s",
ifp->name, ifp->mtu6, VNL);
return CMD_WARNING;
}
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).%s",
ifp->name, iobuflen, VNL);
oi->ifmtu = iobuflen;
}
else
oi->ifmtu = ifmtu;
}
else
oi->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);
}
return CMD_SUCCESS;
}
DEFUN (no_ipv6_ospf6_ifmtu,
no_ipv6_ospf6_ifmtu_cmd,
"no ipv6 ospf6 ifmtu",
NO_STR
IP6_STR
OSPF6_STR
"Interface MTU\n"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
unsigned int iobuflen;
struct listnode *node, *nnode;
struct ospf6_neighbor *on;
ifp = (struct interface *) vty->index;
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).%s",
ifp->name, iobuflen, VNL);
oi->ifmtu = iobuflen;
}
else
oi->ifmtu = ifp->mtu;
}
else
oi->ifmtu = ifp->mtu;
/* 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);
}
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"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
unsigned long int lcost;
ifp = (struct interface *) vty->index;
assert (ifp);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
assert (oi);
lcost = strtol (argv[0], NULL, 10);
if (lcost > UINT32_MAX)
{
vty_out (vty, "Cost %ld is out of range%s", lcost, VNL);
return CMD_WARNING;
}
if (oi->cost == lcost)
return CMD_SUCCESS;
oi->cost = lcost;
SET_FLAG (oi->flag, OSPF6_INTERFACE_NOAUTOCOST);
ospf6_interface_recalculate_cost(oi);
return CMD_SUCCESS;
}
DEFUN (no_ipv6_ospf6_cost,
no_ipv6_ospf6_cost_cmd,
"no ipv6 ospf6 cost",
NO_STR
IP6_STR
OSPF6_STR
"Calculate interface cost from bandwidth\n"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
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")
{
struct ospf6 *o = vty->index;
struct ospf6_area *oa;
struct ospf6_interface *oi;
struct listnode *i, *j;
u_int32_t refbw;
refbw = strtol (argv[0], NULL, 10);
if (refbw < 1 || refbw > 4294967)
{
vty_out (vty, "reference-bandwidth value is invalid%s", VTY_NEWLINE);
return CMD_WARNING;
}
/* If reference bandwidth is changed. */
if ((refbw * 1000) == o->ref_bandwidth)
return CMD_SUCCESS;
o->ref_bandwidth = refbw * 1000;
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",
NO_STR
"Calculate OSPF interface cost according to bandwidth\n"
"Use reference bandwidth method to assign OSPF cost\n")
{
struct ospf6 *o = vty->index;
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
"Interval time of Hello packets\n"
SECONDS_STR
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
assert (ifp);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
assert (oi);
oi->hello_interval = strtol (argv[0], NULL, 10);
return CMD_SUCCESS;
}
/* 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
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
assert (ifp);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
assert (oi);
oi->dead_interval = strtol (argv[0], NULL, 10);
return CMD_SUCCESS;
}
/* interface variable set command */
DEFUN (ipv6_ospf6_transmitdelay,
ipv6_ospf6_transmitdelay_cmd,
"ipv6 ospf6 transmit-delay <1-3600>",
IP6_STR
OSPF6_STR
"Transmit delay of this interface\n"
SECONDS_STR
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
assert (ifp);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
assert (oi);
oi->transdelay = strtol (argv[0], NULL, 10);
return CMD_SUCCESS;
}
/* 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
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
assert (ifp);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
assert (oi);
oi->rxmt_interval = strtol (argv[0], NULL, 10);
return CMD_SUCCESS;
}
/* 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"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
assert (ifp);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
assert (oi);
oi->priority = strtol (argv[0], 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;
}
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"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *)vty->index;
assert (ifp);
oi = (struct ospf6_interface *)ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
assert (oi);
oi->instance_id = strtol (argv[0], NULL, 10);
return CMD_SUCCESS;
}
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"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
struct listnode *node, *nnode;
struct ospf6_neighbor *on;
ifp = (struct interface *) vty->index;
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);
for (ALL_LIST_ELEMENTS (oi->neighbor_list, node, nnode, on))
{
THREAD_OFF (on->inactivity_timer);
thread_add_event (master, inactivity_timer, on, 0);
}
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"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
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);
oi->thread_send_hello =
thread_add_event (master, ospf6_hello_send, oi, 0);
return CMD_SUCCESS;
}
DEFUN (ipv6_ospf6_mtu_ignore,
ipv6_ospf6_mtu_ignore_cmd,
"ipv6 ospf6 mtu-ignore",
IP6_STR
OSPF6_STR
"Ignore MTU mismatch on this interface\n"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
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
"Ignore MTU mismatch on this interface\n"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
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"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
assert (ifp);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
assert (oi);
if (oi->plist_name)
XFREE (MTYPE_PREFIX_LIST_STR, oi->plist_name);
oi->plist_name = XSTRDUP (MTYPE_PREFIX_LIST_STR, argv[0]);
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",
NO_STR
IP6_STR
OSPF6_STR
"Advertising options\n"
"Filter prefix using prefix-list\n"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
assert (ifp);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
oi = ospf6_interface_create (ifp);
assert (oi);
if (oi->plist_name)
{
XFREE (MTYPE_PREFIX_LIST_STR, oi->plist_name);
oi->plist_name = NULL;
}
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 OSPFv6 broadcast network\n"
"Specify OSPF6 point-to-point network\n"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
ifp = (struct interface *) vty->index;
assert (ifp);
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL) {
oi = ospf6_interface_create (ifp);
}
assert (oi);
if (strncmp (argv[0], "b", 1) == 0)
{
if (oi->type == OSPF_IFTYPE_BROADCAST)
return CMD_SUCCESS;
oi->type = OSPF_IFTYPE_BROADCAST;
}
else if (strncmp (argv[0], "point-to-p", 10) == 0)
{
if (oi->type == OSPF_IFTYPE_POINTOPOINT) {
return CMD_SUCCESS;
}
oi->type = OSPF_IFTYPE_POINTOPOINT;
}
/* Reset the interface */
thread_add_event (master, interface_down, oi, 0);
thread_add_event (master, interface_up, oi, 0);
return CMD_SUCCESS;
}
DEFUN (no_ipv6_ospf6_network,
no_ipv6_ospf6_network_cmd,
"no ipv6 ospf6 network",
NO_STR
IP6_STR
OSPF6_STR
"Network Type\n"
"Default to whatever interface type system specifies"
)
{
struct ospf6_interface *oi;
struct interface *ifp;
int type;
ifp = (struct interface *) vty->index;
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_add_event (master, interface_down, oi, 0);
thread_add_event (master, interface_up, oi, 0);
return CMD_SUCCESS;
}
static int
config_write_ospf6_interface (struct vty *vty)
{
struct listnode *i;
struct ospf6_interface *oi;
struct interface *ifp;
for (ALL_LIST_ELEMENTS_RO (iflist, i, ifp))
{
oi = (struct ospf6_interface *) ifp->info;
if (oi == NULL)
continue;
vty_out (vty, "interface %s%s",
oi->interface->name, VNL);
if (ifp->desc)
vty_out (vty, " description %s%s", ifp->desc, VNL);
if (ifp->mtu6 != oi->ifmtu)
vty_out (vty, " ipv6 ospf6 ifmtu %d%s", oi->ifmtu, VNL);
if (CHECK_FLAG (oi->flag, OSPF6_INTERFACE_NOAUTOCOST))
vty_out (vty, " ipv6 ospf6 cost %d%s",
oi->cost, VNL);
if (oi->hello_interval != OSPF6_INTERFACE_HELLO_INTERVAL)
vty_out (vty, " ipv6 ospf6 hello-interval %d%s",
oi->hello_interval, VNL);
if (oi->dead_interval != OSPF6_INTERFACE_DEAD_INTERVAL)
vty_out (vty, " ipv6 ospf6 dead-interval %d%s",
oi->dead_interval, VNL);
if (oi->rxmt_interval != OSPF6_INTERFACE_RXMT_INTERVAL)
vty_out (vty, " ipv6 ospf6 retransmit-interval %d%s",
oi->rxmt_interval, VNL);
if (oi->priority != OSPF6_INTERFACE_PRIORITY)
vty_out (vty, " ipv6 ospf6 priority %d%s",
oi->priority, VNL);
if (oi->transdelay != OSPF6_INTERFACE_TRANSDELAY)
vty_out (vty, " ipv6 ospf6 transmit-delay %d%s",
oi->transdelay, VNL);
if (oi->instance_id != OSPF6_INTERFACE_INSTANCE_ID)
vty_out (vty, " ipv6 ospf6 instance-id %d%s",
oi->instance_id, VNL);
if (oi->plist_name)
vty_out (vty, " ipv6 ospf6 advertise prefix-list %s%s",
oi->plist_name, VNL);
if (CHECK_FLAG (oi->flag, OSPF6_INTERFACE_PASSIVE))
vty_out (vty, " ipv6 ospf6 passive%s", VNL);
if (oi->mtu_ignore)
vty_out (vty, " ipv6 ospf6 mtu-ignore%s", VNL);
if (oi->type == OSPF_IFTYPE_POINTOPOINT)
vty_out (vty, " ipv6 ospf6 network point-to-point%s", VNL);
else if (oi->type == OSPF_IFTYPE_BROADCAST)
vty_out (vty, " ipv6 ospf6 network broadcast%s", VNL);
vty_out (vty, "!%s", VNL);
}
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);
install_element (VIEW_NODE, &show_ipv6_ospf6_interface_cmd);
install_element (VIEW_NODE, &show_ipv6_ospf6_interface_prefix_cmd);
install_element (VIEW_NODE, &show_ipv6_ospf6_interface_prefix_detail_cmd);
install_element (VIEW_NODE, &show_ipv6_ospf6_interface_prefix_match_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_ifname_prefix_detail_cmd);
install_element (VIEW_NODE, &show_ipv6_ospf6_interface_ifname_prefix_match_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_prefix_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_prefix_detail_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_prefix_match_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_ifname_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_ifname_prefix_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_ifname_prefix_detail_cmd);
install_element (ENABLE_NODE, &show_ipv6_ospf6_interface_ifname_prefix_match_cmd);
install_element (CONFIG_NODE, &interface_cmd);
install_default (INTERFACE_NODE);
install_element (INTERFACE_NODE, &interface_desc_cmd);
install_element (INTERFACE_NODE, &no_interface_desc_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, &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);
}
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%s", VNL);
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);
}
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