rmcs 7437 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c u32 rmcs = IXGBE_READ_REG(hw, IXGBE_RMCS); rmcs 7439 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c flow_tx = !!(rmcs & IXGBE_RMCS_TFCE_802_3X);