IXGBE_EICR_FW_EVENT
if (eicr & IXGBE_EICR_FW_EVENT) {
IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_EICR_FW_EVENT);
#define IXGBE_EICS_FW_EVENT IXGBE_EICR_FW_EVENT /* Async FW event */
#define IXGBE_EIMS_FW_EVENT IXGBE_EICR_FW_EVENT /* Async FW event */
#define IXGBE_EIMC_FW_EVENT IXGBE_EICR_FW_EVENT /* Async FW event */