MPLS_IPTUNNEL_DST
if (!tb[MPLS_IPTUNNEL_DST]) {
if (nla_get_labels(tb[MPLS_IPTUNNEL_DST], MAX_NEW_LABELS,
ret = nla_get_labels(tb[MPLS_IPTUNNEL_DST], n_labels,
if (nla_put_labels(skb, MPLS_IPTUNNEL_DST, tun_encap_info->labels,
[MPLS_IPTUNNEL_DST] = { .len = sizeof(u32) },