Support HW cross-timestamp on PCH devices
configname: CONFIG_E1000E_HWTS
Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Support HW cross-timestamp on PCH devices
In linux kernel since version 4.1 (release Date: 2015-06-21)
Say Y to enable hardware supported cross-timestamping on PCH
devices. The cross-timestamp is available through the PTP clock
driver precise cross-timestamp ioctl (PTP_SYS_OFFSET_PRECISE).
devices. The cross-timestamp is available through the PTP clock
driver precise cross-timestamp ioctl (PTP_SYS_OFFSET_PRECISE).