int
ripng_interface_delete (int command, struct zclient *zclient,
zebra_size_t length)
{
struct interface *ifp;
struct stream *s;
s = zclient->ibuf;
/* zebra_interface_state_read() updates interface structure in iflist */
ifp = zebra_interface_state_read(s);
if (ifp == NULL)
return 0;
if (if_is_up (ifp)) {
ripng_if_down(ifp);
}
zlog_info("interface delete %s index %d flags %#"PRIx64" metric %d mtu %d",
ifp->name, ifp->ifindex, ifp->flags, ifp->metric, ifp->mtu6);
/* To support pseudo interface do not free interface structure. */
/* if_delete(ifp); */
ifp->ifindex = IFINDEX_INTERNAL;
return 0;
}
/* Inteface link down message processing. */
int
ripng_interface_down (int command, struct zclient *zclient,
zebra_size_t length)
{
struct stream *s;
struct interface *ifp;
/* zebra_interface_state_read() updates interface structure in iflist. */
s = zclient->ibuf;
ifp = zebra_interface_state_read (s);
if (ifp == NULL)
return 0;
ripng_if_down (ifp);
if (IS_RIPNG_DEBUG_ZEBRA)
zlog_debug ("interface down %s index %d flags %#"PRIx64" metric %d mtu %d",
ifp->name, ifp->ifindex, ifp->flags, ifp->metric, ifp->mtu6);
return 0;
}
/* Inteface link down message processing. */
int
ripng_interface_down (int command, struct zclient *zclient,
kroute_size_t length)
{
struct stream *s;
struct interface *ifp;
/* kroute_interface_state_read() updates interface structure in iflist. */
s = zclient->ibuf;
ifp = kroute_interface_state_read (s);
if (ifp == NULL)
return 0;
ripng_if_down (ifp);
if (IS_RIPNG_DEBUG_KROUTE)
zlog_debug ("interface down %s index %d flags %#llx metric %d mtu %d",
ifp->name, ifp->ifindex,
(unsigned long long) ifp->flags, ifp->metric, ifp->mtu6);
return 0;
}
/* Check RIPng is enabed on this interface. */
void
ripng_enable_apply (struct interface *ifp)
{
int ret;
struct ripng_interface *ri = NULL;
/* Check interface. */
if (! if_is_up (ifp))
return;
ri = ifp->info;
/* Is this interface a candidate for RIPng ? */
ret = ripng_enable_network_lookup_if (ifp);
/* If the interface is matched. */
if (ret > 0)
ri->enable_network = 1;
else
ri->enable_network = 0;
/* Check interface name configuration. */
ret = ripng_enable_if_lookup (ifp->name);
if (ret >= 0)
ri->enable_interface = 1;
else
ri->enable_interface = 0;
/* any candidate interface MUST have a link-local IPv6 address */
if ((! ripng_if_ipv6_lladdress_check (ifp)) &&
(ri->enable_network || ri->enable_interface)) {
ri->enable_network = 0;
ri->enable_interface = 0;
zlog_warn("Interface %s does not have any link-local address",
ifp->name);
}
/* Update running status of the interface. */
if (ri->enable_network || ri->enable_interface)
{
{
if (IS_RIPNG_DEBUG_EVENT)
zlog_debug ("RIPng turn on %s", ifp->name);
/* Add interface wake up thread. */
if (! ri->t_wakeup)
ri->t_wakeup = thread_add_timer (master, ripng_interface_wakeup,
ifp, 1);
ripng_connect_set (ifp, 1);
}
}
else
{
if (ri->running)
{
/* Might as well clean up the route table as well
* ripng_if_down sets to 0 ri->running, and displays "turn off %s"
**/
ripng_if_down(ifp);
ripng_connect_set (ifp, 0);
}
}
}
