NHA_GATEWAY
if (tb[NHA_GATEWAY] || tb[NHA_OIF] ||
if (tb[NHA_GATEWAY]) {
struct nlattr *gwa = tb[NHA_GATEWAY];
[NHA_GATEWAY] = { .type = NLA_BINARY },
nla_put_be32(skb, NHA_GATEWAY, fib_nh->fib_nh_gw4))
nla_put_in6_addr(skb, NHA_GATEWAY, &fib6_nh->fib_nh_gw6))