fccfg 7448 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c u32 fccfg = IXGBE_READ_REG(hw, IXGBE_FCCFG); fccfg 7450 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c flow_tx = !!(fccfg & IXGBE_FCCFG_TFCE_802_3X);