hi there.
"X540 Bypass Adapter" Driver does support the IEEE1588(PTP) ?
Linux Kernel Version: 3.9.0
Target Device: Ethernet Server Bypass Adapter X520/X540
Package: ixgbe-4.4.0.19.tar.gz
Package Unpacked and next executed.
# make CFLAGS_EXTRA="-DIXGBE_PTP" install
bud "ixgbe_ptp.o" is not built.