I40E_ITR_DYNAMIC
ec->rx_coalesce_usecs = rx_ring->itr_setting & ~I40E_ITR_DYNAMIC;
ec->tx_coalesce_usecs = tx_ring->itr_setting & ~I40E_ITR_DYNAMIC;
rx_ring->itr_setting |= I40E_ITR_DYNAMIC;
rx_ring->itr_setting &= ~I40E_ITR_DYNAMIC;
tx_ring->itr_setting |= I40E_ITR_DYNAMIC;
tx_ring->itr_setting &= ~I40E_ITR_DYNAMIC;
cur_tx_itr &= ~I40E_ITR_DYNAMIC;
cur_rx_itr &= ~I40E_ITR_DYNAMIC;
#define ITR_TO_REG(setting) ((setting) & ~I40E_ITR_DYNAMIC)
#define ITR_IS_DYNAMIC(setting) (!!((setting) & I40E_ITR_DYNAMIC))
#define I40E_ITR_RX_DEF (I40E_ITR_20K | I40E_ITR_DYNAMIC)
#define I40E_ITR_TX_DEF (I40E_ITR_20K | I40E_ITR_DYNAMIC)