/* Wake up configured address if it is not in current kernel
address. */
static void
if_addr_wakeup (struct interface *ifp)
{
struct listnode *node, *nnode;
struct connected *ifc;
struct prefix *p;
int ret;
for (ALL_LIST_ELEMENTS (ifp->connected, node, nnode, ifc))
{
p = ifc->address;
if (CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED)
&& ! CHECK_FLAG (ifc->conf, ZEBRA_IFC_REAL))
{
/* Address check. */
if (p->family == AF_INET)
{
if (! if_is_up (ifp))
{
/* XXX: WTF is it trying to set flags here?
* caller has just gotten a new interface, has been
* handed the flags already. This code has no business
* trying to override administrative status of the interface.
* The only call path to here which doesn't originate from
* kernel event is irdp - what on earth is it trying to do?
*
* further RUNNING is not a settable flag on any system
* I (paulj) am aware of.
*/
if_set_flags (ifp, IFF_UP | IFF_RUNNING);
if_refresh (ifp);
}
ret = if_set_prefix (ifp, ifc);
if (ret < 0)
{
zlog_warn ("Can't set interface's address: %s",
safe_strerror(errno));
continue;
}
/* Add to subnet chain list. */
if_subnet_add (ifp, ifc);
SET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
zebra_interface_address_add_update (ifp, ifc);
if (if_is_operative(ifp))
connected_up_ipv4 (ifp, ifc);
}
#ifdef HAVE_IPV6
if (p->family == AF_INET6)
{
if (! if_is_up (ifp))
{
/* XXX: See long comment above */
if_set_flags (ifp, IFF_UP | IFF_RUNNING);
if_refresh (ifp);
}
ret = if_prefix_add_ipv6 (ifp, ifc);
if (ret < 0)
{
zlog_warn ("Can't set interface's address: %s",
safe_strerror(errno));
continue;
}
SET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
zebra_interface_address_add_update (ifp, ifc);
if (if_is_operative(ifp))
connected_up_ipv6 (ifp, ifc);
}
#endif /* HAVE_IPV6 */
}
}
}
/* Wake up configured address if it is not in current kernel
address. */
void
if_addr_wakeup (struct interface *ifp)
{
struct listnode *node;
struct connected *ifc;
struct prefix *p;
int ret;
for (node = listhead (ifp->connected); node; nextnode (node))
{
ifc = getdata (node);
p = ifc->address;
if (CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED)
&& ! CHECK_FLAG (ifc->conf, ZEBRA_IFC_REAL))
{
/* Address check. */
if (p->family == AF_INET)
{
if (! if_is_up (ifp))
{
if_set_flags (ifp, IFF_UP | IFF_RUNNING);
if_refresh (ifp);
}
ret = if_set_prefix (ifp, ifc);
if (ret < 0)
{
zlog_warn ("Can't set interface's address: %s",
strerror(errno));
continue;
}
SET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
zebra_interface_address_add_update (ifp, ifc);
if (if_is_up(ifp))
connected_up_ipv4 (ifp, ifc);
}
#ifdef HAVE_IPV6
if (p->family == AF_INET6)
{
if (! if_is_up (ifp))
{
if_set_flags (ifp, IFF_UP | IFF_RUNNING);
if_refresh (ifp);
}
ret = if_prefix_add_ipv6 (ifp, ifc);
if (ret < 0)
{
zlog_warn ("Can't set interface's address: %s",
strerror(errno));
continue;
}
SET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
zebra_interface_address_add_update (ifp, ifc);
if (if_is_up(ifp))
connected_up_ipv6 (ifp, ifc);
}
#endif /* HAVE_IPV6 */
}
}
}
/* Wake up configured address if it is not in current kernel
address. */
static void
if_addr_wakeup (struct interface *ifp)
{
struct listnode *node, *nnode;
struct connected *ifc;
struct prefix *p;
int ret;
for (ALL_LIST_ELEMENTS (ifp->connected, node, nnode, ifc))
{
p = ifc->address;
if (CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED)
&& ! CHECK_FLAG (ifc->conf, ZEBRA_IFC_QUEUED))
{
/* Address check. */
if (p->family == AF_INET)
{
if (! if_is_up (ifp))
{
/* Assume zebra is configured like following:
*
* interface gre0
* ip addr 192.0.2.1/24
* !
*
* As soon as zebra becomes first aware that gre0 exists in the
* kernel, it will set gre0 up and configure its addresses.
*
* (This may happen at startup when the interface already exists
* or during runtime when the interface is added to the kernel)
*
* XXX: IRDP code is calling here via if_add_update - this seems
* somewhat weird.
* XXX: RUNNING is not a settable flag on any system
* I (paulj) am aware of.
*/
if_set_flags (ifp, IFF_UP | IFF_RUNNING);
if_refresh (ifp);
}
ret = if_set_prefix (ifp, ifc);
if (ret < 0)
{
zlog_warn ("Can't set interface's address: %s",
safe_strerror(errno));
continue;
}
SET_FLAG (ifc->conf, ZEBRA_IFC_QUEUED);
/* The address will be advertised to zebra clients when the notification
* from the kernel has been received.
* It will also be added to the interface's subnet list then. */
}
#ifdef HAVE_IPV6
if (p->family == AF_INET6)
{
if (! if_is_up (ifp))
{
/* See long comment above */
if_set_flags (ifp, IFF_UP | IFF_RUNNING);
if_refresh (ifp);
}
ret = if_prefix_add_ipv6 (ifp, ifc);
if (ret < 0)
{
zlog_warn ("Can't set interface's address: %s",
safe_strerror(errno));
continue;
}
SET_FLAG (ifc->conf, ZEBRA_IFC_QUEUED);
/* The address will be advertised to zebra clients when the notification
* from the kernel has been received. */
}
#endif /* HAVE_IPV6 */
}
}
}
