On Thu, Aug 30, 2018 at 12:59:12AM +0200, TheMazzim M wrote: > BUT, if I look at the kernel config file for 4.2.0-27-generic Ubuntu 14.04 > kernel, I discover that: > > # CONFIG_NETWORK_PHY_TIMESTAMPING is not set > > Question: Why is this not consistent with what ethtool reports?? Or are > these actually independent system requirement checks??? The other kernel > requirements are included as modules (CONFIG_PPS, PTP_1588).
This option is only needed if you have a PHY that does time stamping (like the TI Phyter), but it adds overhead in the NW hot path. So it is normally disabled. HTH, Richard ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
