/* Interface is up. */
void
if_up (struct interface *ifp)
{
listnode node;
listnode next;
struct connected *ifc;
struct prefix *p;
/* Notify the protocol daemons. */
zebra_interface_up_update (ifp);
/* Install connected routes to the kernel. */
if (ifp->connected)
{
for (node = listhead (ifp->connected); node; node = next)
{
next = node->next;
ifc = getdata (node);
p = ifc->address;
if (p->family == AF_INET)
connected_up_ipv4 (ifp, ifc);
#ifdef HAVE_IPV6
else if (p->family == AF_INET6)
connected_up_ipv6 (ifp, ifc);
#endif /* HAVE_IPV6 */
}
}
/* Examine all static routes. */
rib_update ();
}
/* Interface is up. */
void
if_up (struct interface *ifp)
{
struct listnode *node;
struct listnode *next;
struct connected *ifc;
struct prefix *p;
/* Notify the protocol daemons. */
zebra_interface_up_update (ifp);
/* Install connected routes to the kernel. */
if (ifp->connected)
{
for (ALL_LIST_ELEMENTS (ifp->connected, node, next, ifc))
{
p = ifc->address;
if (p->family == AF_INET)
connected_up_ipv4 (ifp, ifc);
#ifdef HAVE_IPV6
else if (p->family == AF_INET6)
connected_up_ipv6 (ifp, ifc);
#endif /* HAVE_IPV6 */
}
}
/* Examine all static routes. */
rib_update ();
}
static void
connected_announce (struct interface *ifp, struct connected *ifc)
{
if (!ifc)
return;
listnode_add (ifp->connected, ifc);
/* Update interface address information to protocol daemon. */
if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_REAL))
{
if (ifc->address->family == AF_INET)
if_subnet_add (ifp, ifc);
SET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
zebra_interface_address_add_update (ifp, ifc);
if (if_is_operative(ifp))
{
if (ifc->address->family == AF_INET)
connected_up_ipv4 (ifp, ifc);
#ifdef HAVE_IPV6
else
connected_up_ipv6 (ifp, ifc);
#endif
}
}
}
static void
connected_announce (struct interface *ifp, struct connected *ifc)
{
if (!ifc)
return;
listnode_add (ifp->connected, ifc);
/* Update interface address information to protocol daemon. */
if (! CHECK_FLAG (ifc->conf, ZEBRA_IFC_REAL))
{
if (ifc->address->family == AF_INET)
if_subnet_add (ifp, ifc);
SET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
/*gjd : add for Rtsuit restart, ip address not write show running .So use add flag RTMD_RESTART_IP_CONFIG ,
when set it by netlink info from kernel through the IFA_BROADCAST. Becaus when setup vrrp , the virtual ip will insert,
the IFA_BROADCAST will not get from kenerl . 2011-12-20 pm 7:00*/
if((!CHECK_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED))
&&(keep_kernel_mode == 1)
&&(CHECK_FLAG(ifc->ip_config,RTMD_RESTART_IP_CONFIG)))
{
SET_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED);
/*zlog_err("%s : line %d ifc->conf(%u), ifc->ipconfig(%u).\n",
__func__,__LINE__,ifc->conf,ifc->ip_config);*/
}
if(ifp && (strncmp(ifp->name,"lo",2)==0)&&(!LOOPBACK(ifc->address->u.prefix4.s_addr)))
SET_FLAG (ifc->conf, ZEBRA_IFC_CONFIGURED);
zebra_interface_address_add_update (ifp, ifc);
if (if_is_up(ifp))
{
if (ifc->address->family == AF_INET)
connected_up_ipv4 (ifp, ifc);
#ifdef HAVE_IPV6
else
connected_up_ipv6 (ifp, ifc);
#endif
}
}
}
/* 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_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 */
}
}
}
