CGW_LIM_HOPS
if (nla_put_u8(skb, CGW_LIM_HOPS, gwj->limit_hops) < 0)
[CGW_LIM_HOPS] = { .type = NLA_U8 },
if (tb[CGW_LIM_HOPS]) {
*limhops = nla_get_u8(tb[CGW_LIM_HOPS]);