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

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

On Tue, Dec 10, 2013 at 08:58:26PM +0000, Keller, Jacob E wrote:
> 
> To support software timestamps I believe the vlan driver would just
> have to call the correct software timestamp callback, and advertise
> that it supports the TX_SOFTWARE timestamping in the ethtool call.

Right, although I haven't looked at the details, it sounds like
supporting SO_TIMESTAMPING over vlan will require kernel work.

Thanks,
Richard