IAVF_ITR_DYNAMIC
ec->rx_coalesce_usecs = rx_ring->itr_setting & ~IAVF_ITR_DYNAMIC;
ec->tx_coalesce_usecs = tx_ring->itr_setting & ~IAVF_ITR_DYNAMIC;
itr_setting = rx_ring->itr_setting & ~IAVF_ITR_DYNAMIC;
itr_setting = tx_ring->itr_setting & ~IAVF_ITR_DYNAMIC;
rx_ring->itr_setting |= IAVF_ITR_DYNAMIC;
rx_ring->itr_setting ^= IAVF_ITR_DYNAMIC;
tx_ring->itr_setting |= IAVF_ITR_DYNAMIC;
tx_ring->itr_setting ^= IAVF_ITR_DYNAMIC;
#define ITR_TO_REG(setting) ((setting) & ~IAVF_ITR_DYNAMIC)
#define ITR_IS_DYNAMIC(setting) (!!((setting) & IAVF_ITR_DYNAMIC))
#define IAVF_ITR_RX_DEF (IAVF_ITR_20K | IAVF_ITR_DYNAMIC)
#define IAVF_ITR_TX_DEF (IAVF_ITR_20K | IAVF_ITR_DYNAMIC)