TCA_EM_IPT_HOOK
if (!tb[TCA_EM_IPT_HOOK] || !tb[TCA_EM_IPT_MATCH_NAME] ||
im->hook = nla_get_u32(tb[TCA_EM_IPT_HOOK]);
if (nla_put_u32(skb, TCA_EM_IPT_HOOK, im->hook) < 0)
[TCA_EM_IPT_HOOK] = { .type = NLA_U32 },
if (nla_get_u32(tb[TCA_EM_IPT_HOOK]) != NF_INET_PRE_ROUTING) {