IFLA_BR_STP_MODE
[IFLA_BR_STP_MODE] = NLA_POLICY_RANGE(NLA_U32,
if (data[IFLA_BR_STP_MODE]) {
u32 mode = nla_get_u32(data[IFLA_BR_STP_MODE]);
nla_put_u32(skb, IFLA_BR_STP_MODE, br->stp_mode))