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
}
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]);
}
if ((prev_state == OSPF6_INTERFACE_DR ||
prev_state == OSPF6_INTERFACE_BDR) &&
(next_state != OSPF6_INTERFACE_DR &&
next_state != OSPF6_INTERFACE_BDR))
ospf6_leave_alldrouters (oi->interface->ifindex);
if ((prev_state != OSPF6_INTERFACE_DR &&
prev_state != OSPF6_INTERFACE_BDR) &&
(next_state == OSPF6_INTERFACE_DR ||
next_state == OSPF6_INTERFACE_BDR))
// ospf6_join_alldrouters (oi->interface->ifindex);
thread_add_event (master, rospf6_join_alldrouters_send, oi, 0);
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);
}
}
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]);
}
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);
}
}
static void
ospf6_neighbor_state_change (u_char next_state, struct ospf6_neighbor *on)
{
u_char prev_state;
prev_state = on->state;
on->state = next_state;
if (prev_state == next_state)
return;
gettimeofday (&on->last_changed, (struct timezone *) NULL);
/* log */
if (IS_OSPF6_DEBUG_NEIGHBOR (STATE))
{
zlog_info ("Neighbor state change %s: [%s]->[%s]", on->name,
ospf6_neighbor_state_str[prev_state],
ospf6_neighbor_state_str[next_state]);
}
if (prev_state == OSPF6_NEIGHBOR_FULL || next_state == OSPF6_NEIGHBOR_FULL)
{
OSPF6_ROUTER_LSA_SCHEDULE (on->ospf6_if->area);
if (on->ospf6_if->state == OSPF6_INTERFACE_DR)
{
OSPF6_NETWORK_LSA_SCHEDULE (on->ospf6_if);
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT (on->ospf6_if);
}
OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB (on->ospf6_if->area);
}
#ifdef XXX
if (prev_state == NBS_FULL || next_state == NBS_FULL)
nbs_full_change (on->ospf6_interface);
/* check for LSAs that already reached MaxAge */
if ((prev_state == OSPF6_NEIGHBOR_EXCHANGE ||
prev_state == OSPF6_NEIGHBOR_LOADING) &&
(next_state != OSPF6_NEIGHBOR_EXCHANGE &&
next_state != OSPF6_NEIGHBOR_LOADING))
{
ospf6_maxage_remover ();
}
#endif /*XXX*/
}
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;
/* 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);
}
