TCA_MIRRED_BLOCKID
if (tb[TCA_MIRRED_BLOCKID] && parm->ifindex) {
if (!parm->ifindex && !tb[TCA_MIRRED_BLOCKID]) {
} else if (tb[TCA_MIRRED_BLOCKID]) {
m->tcfm_blockid = nla_get_u32(tb[TCA_MIRRED_BLOCKID]);
if (blockid && nla_put_u32(skb, TCA_MIRRED_BLOCKID, blockid))
[TCA_MIRRED_BLOCKID] = NLA_POLICY_MIN(NLA_U32, 1),