TCA_SKBEDIT_MARK
[TCA_SKBEDIT_MARK] = { .len = sizeof(u32) },
if (tb[TCA_SKBEDIT_MARK] != NULL) {
mark = nla_data(tb[TCA_SKBEDIT_MARK]);
nla_put_u32(skb, TCA_SKBEDIT_MARK, params->mark))