Re: [Linuxptp-users] using ptp4l on vlan interfaces

[Richard C. <ric...@gm...>]

On Tue, Dec 10, 2013 at 12:47:32PM -0600, Shawn Bohrer wrote:
> 
> I took a look at the code and can see this is because vlan interfaces
> do not report that they support SOF_TIMESTAMPING_TX_SOFTWARE.  The
> underlying device interface eth4 however does claim to support
> SOF_TIMESTAMPING_TX_SOFTWARE.

Can you try hacking the code to omit the ethtool check?

If the time stamping actually works, and the only problem is the
ethtool reporting, then that would probably be an easy kernel fix.

Thanks,
Richard