static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[])
{
	if (tb[IFLA_ADDRESS]) {
		if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
			return -EINVAL;
		if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
			return -EADDRNOTAVAIL;
	}

	if (data && data[IFLA_MACVLAN_MODE]) {
		switch (nla_get_u32(data[IFLA_MACVLAN_MODE])) {
		case MACVLAN_MODE_PRIVATE:
		case MACVLAN_MODE_VEPA:
		case MACVLAN_MODE_BRIDGE:
		case MACVLAN_MODE_PASSTHRU:
			break;
		default:
			return -EINVAL;
		}
	}
	return 0;
}
static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[])
{
	if (tb[IFLA_ADDRESS]) {
		if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
			return -EINVAL;
		if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
			return -EADDRNOTAVAIL;
	}

	if (data && data[IFLA_MACVLAN_MODE]) {
		switch (nla_get_u32(data[IFLA_MACVLAN_MODE])) {
		case MACVLAN_MODE_PRIVATE:
		case MACVLAN_MODE_VEPA:
		case MACVLAN_MODE_BRIDGE:
		case MACVLAN_MODE_PASSTHRU:
			break;
		default:
			return -EINVAL;
		}
	}
	return 0;
}