IXGBE_100K_ITR
(adapter->tx_itr_setting < IXGBE_100K_ITR)) {
(tx_itr_prev >= IXGBE_100K_ITR))
(tx_itr_prev < IXGBE_100K_ITR))
if (!ring->q_vector || (ring->q_vector->itr < IXGBE_100K_ITR))
new_itr = IXGBE_100K_ITR;