This is because the network driver does not correctly implement software timestamping.
Regards, Jake On Sun, 2015-01-11 at 22:45 +0000, Sebastien wrote: > Hello, > > > > > > > > I've got a new HP server, with Esxi E1000, with a NIC Broadcom NetXtreme > > BCM 57810, and VM hosting RHEL6.5 > > > > > > > > I would like it to use the Soft option to synchronize from PTP source, > > connected on Eth1. > > > > I've installed linuxptp, and updated the NIC driver for the RHEL 6.5 > > > > > > > > Unfortunately, the software-transmit (SOF_TIMESTAMPING_TX_SOFTWARE) > > > > is not reported after the command ethtool -T eth1 > > > > And , using ptp4l -i eth1 -m -S shows ; > > > > > > > > [root]# ptp4l -i eth1 -m -S > > > > interface 'eth1' does not support requested timestamping mode. > > > > [root]# ethtool -T eth1 > > > > Time stamping parameters for eth1: > > > > Capabilities: > > > > software-receive (SOF_TIMESTAMPING_RX_SOFTWARE) > > > > software-system-clock (SOF_TIMESTAMPING_SOFTWARE) > > > > PTP Hardware Clock: none > > > > Hardware Transmit Timestamp Modes: none > > > > Hardware Receive Filter Modes: none > > > > > > > > > > > > Is it because of a NIC card compatibility or an ESXI compatibility? > > > > Is there some description, recommendation of Linux and Hardware version to > > support linuxptp? > > > > > > > > > > > > > > > > Thanks for your help > > > > > > > > Regards > > > > Sebastien > > > ------------------------------------------------------------------------------ > Dive into the World of Parallel Programming! The Go Parallel Website, > sponsored by Intel and developed in partnership with Slashdot Media, is your > hub for all things parallel software development, from weekly thought > leadership blogs to news, videos, case studies, tutorials and more. Take a > look and join the conversation now. http://goparallel.sourceforge.net > _______________________________________________ > Linuxptp-users mailing list > Linuxptp-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linuxptp-users ------------------------------------------------------------------------------ New Year. New Location. New Benefits. New Data Center in Ashburn, VA. GigeNET is offering a free month of service with a new server in Ashburn. Choose from 2 high performing configs, both with 100TB of bandwidth. Higher redundancy.Lower latency.Increased capacity.Completely compliant. www.gigenet.com _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users