FBNIC_TWD_TYPE_MASK
FIELD_GET(FBNIC_TWD_TYPE_MASK, twd),
switch (FIELD_GET(FBNIC_TWD_TYPE_MASK, twd)) {
FIELD_GET(FBNIC_TWD_TYPE_MASK, twd),
FIELD_PREP(FBNIC_TWD_TYPE_MASK,
cpu_to_le64(FIELD_PREP(FBNIC_TWD_TYPE_MASK, FBNIC_TWD_TYPE_##_type))
FIELD_PREP(FBNIC_TWD_TYPE_MASK,
total_packets += FIELD_GET(FBNIC_TWD_TYPE_MASK, twd) -