Timestamping in PHY devices

modulename: timestamping.ko

configname: CONFIG_NETWORK_PHY_TIMESTAMPING

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Timestamping in PHY devices
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
This allows timestamping of network packets by PHYs with
hardware timestamping capabilities. This option adds some
overhead in the transmit and receive paths.

If you are unsure how to answer this question, answer N.

source code:

depends
CONFIG_NET

is selected by
CONFIG_DP83640_PHY