Ejemplo n.º 1
0
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";
}
Ejemplo n.º 2
0
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;
}
Ejemplo n.º 3
0
struct interface *
if_lookup_by_index (ifindex_t ifindex)
{
  return if_lookup_by_index_vrf (ifindex, VRF_DEFAULT);
}