int
ospf_area_range_cost_set (struct ospf *ospf, struct in_addr area_id,
struct prefix_ipv4 *p, u_int32_t cost)
{
struct ospf_area *area;
struct ospf_area_range *range;
int ret = OSPF_AREA_ID_FORMAT_ADDRESS;
area = ospf_area_get (ospf, area_id, ret);
if (area == NULL)
return 0;
range = ospf_area_range_new (p);
if (range == NULL)
return 0;
if (range->cost_config != cost)
{
range->cost_config = cost;
if (ospf_area_range_active (range))
ospf_schedule_abr_task (ospf);
}
return 1;
}
int
ospf_area_range_substitute_set (struct ospf *ospf, struct in_addr area_id,
struct prefix_ipv4 *p, struct prefix_ipv4 *s)
{
struct ospf_area *area;
struct ospf_area_range *range;
int ret = OSPF_AREA_ID_FORMAT_ADDRESS;
area = ospf_area_get (ospf, area_id, ret);
range = ospf_area_range_lookup (area, p);
if (range != NULL)
{
if (!CHECK_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE) ||
!CHECK_FLAG (range->flags, OSPF_AREA_RANGE_SUBSTITUTE))
ospf_schedule_abr_task (ospf);
}
else
{
range = ospf_area_range_new (p);
ospf_area_range_add (area, range);
ospf_schedule_abr_task (ospf);
}
SET_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE);
SET_FLAG (range->flags, OSPF_AREA_RANGE_SUBSTITUTE);
range->subst_addr = s->prefix;
range->subst_masklen = s->prefixlen;
return 1;
}
int
ospf_area_range_set (struct ospf *ospf, struct in_addr area_id,
struct prefix_ipv4 *p, int advertise)
{
struct ospf_area *area;
struct ospf_area_range *range;
int ret = OSPF_AREA_ID_FORMAT_ADDRESS;
area = ospf_area_get (ospf, area_id, ret);
if (area == NULL)
return 0;
range = ospf_area_range_lookup (area, p);
if (range != NULL)
{
if ((CHECK_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE)
&& !CHECK_FLAG (advertise, OSPF_AREA_RANGE_ADVERTISE))
|| (!CHECK_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE)
&& CHECK_FLAG (advertise, OSPF_AREA_RANGE_ADVERTISE)))
ospf_schedule_abr_task (ospf);
}
else
{
range = ospf_area_range_new (p);
ospf_area_range_add (area, range);
ospf_schedule_abr_task (ospf);
}
if (CHECK_FLAG (advertise, OSPF_AREA_RANGE_ADVERTISE))
SET_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE);
else
UNSET_FLAG (range->flags, OSPF_AREA_RANGE_ADVERTISE);
return 1;
}
struct ospf_interface *
ospf_vl_new (struct ospf *ospf, struct ospf_vl_data *vl_data)
{
struct ospf_interface * voi;
struct interface * vi;
char ifname[INTERFACE_NAMSIZ + 1];
struct ospf_area *area;
struct in_addr area_id;
struct connected *co;
struct prefix_ipv4 *p;
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): Start");
if (vlink_count == OSPF_VL_MAX_COUNT)
{
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): Alarm: "
"cannot create more than OSPF_MAX_VL_COUNT virtual links");
return NULL;
}
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): creating pseudo zebra interface");
snprintf (ifname, sizeof(ifname), "VLINK%d", vlink_count);
vi = if_create (ifname, strnlen(ifname, sizeof(ifname)));
co = connected_new ();
co->ifp = vi;
listnode_add (vi->connected, co);
p = prefix_ipv4_new ();
p->family = AF_INET;
p->prefix.s_addr = 0;
p->prefixlen = 0;
co->address = (struct prefix *)p;
voi = ospf_if_new (ospf, vi, co->address);
if (voi == NULL)
{
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): Alarm: OSPF int structure is not created");
return NULL;
}
voi->connected = co;
voi->vl_data = vl_data;
voi->ifp->mtu = OSPF_VL_MTU;
voi->type = OSPF_IFTYPE_VIRTUALLINK;
vlink_count++;
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): Created name: %s", ifname);
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): set if->name to %s", vi->name);
area_id.s_addr = 0;
area = ospf_area_get (ospf, area_id, OSPF_AREA_ID_FORMAT_ADDRESS);
voi->area = area;
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): set associated area to the backbone");
ospf_nbr_add_self (voi);
ospf_area_add_if (voi->area, voi);
ospf_if_stream_set (voi);
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): Stop");
return voi;
}
