const char *
ifindex2ifname_vrf (ifindex_t ifindex, vrf_id_t vrf_id)
{
struct interface *ifp;
return ((ifp = if_lookup_by_index_vrf (ifindex, vrf_id)) != NULL) ?
ifp->name : "unknown";
}
struct connected *
zebra_interface_address_read (int type, struct stream *s, vrf_id_t vrf_id)
{
ifindex_t ifindex;
struct interface *ifp;
struct connected *ifc;
struct prefix p, d, *dp;
int plen;
u_char ifc_flags;
memset (&p, 0, sizeof(p));
memset (&d, 0, sizeof(d));
/* Get interface index. */
ifindex = stream_getl (s);
/* Lookup index. */
ifp = if_lookup_by_index_vrf (ifindex, vrf_id);
if (ifp == NULL)
{
zlog_warn ("zebra_interface_address_read(%s): "
"Can't find interface by ifindex: %d ",
(type == ZEBRA_INTERFACE_ADDRESS_ADD? "ADD" : "DELETE"),
ifindex);
return NULL;
}
/* Fetch flag. */
ifc_flags = stream_getc (s);
/* Fetch interface address. */
d.family = p.family = stream_getc (s);
plen = prefix_blen (&d);
zclient_stream_get_prefix (s, &p);
/* Fetch destination address. */
stream_get (&d.u.prefix, s, plen);
/* N.B. NULL destination pointers are encoded as all zeroes */
dp = memconstant(&d.u.prefix,0,plen) ? NULL : &d;
if (type == ZEBRA_INTERFACE_ADDRESS_ADD)
{
/* N.B. NULL destination pointers are encoded as all zeroes */
ifc = connected_add_by_prefix(ifp, &p, dp);
if (ifc != NULL)
{
ifc->flags = ifc_flags;
if (ifc->destination)
ifc->destination->prefixlen = ifc->address->prefixlen;
else if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER))
{
/* carp interfaces on OpenBSD with 0.0.0.0/0 as "peer" */
char buf[PREFIX_STRLEN];
zlog_warn("warning: interface %s address %s "
"with peer flag set, but no peer address!",
ifp->name,
prefix2str (ifc->address, buf, sizeof buf));
UNSET_FLAG(ifc->flags, ZEBRA_IFA_PEER);
}
}
}
else
{
assert (type == ZEBRA_INTERFACE_ADDRESS_DELETE);
ifc = connected_delete_by_prefix(ifp, &p);
}
return ifc;
}
struct interface *
if_lookup_by_index (ifindex_t ifindex)
{
return if_lookup_by_index_vrf (ifindex, VRF_DEFAULT);
}