Re: [Linuxptp-users] Software timestamping on unsupported driver

[Gary E. M. <ge...@re...>]

Yo Richard!

On Fri, 24 Mar 2017 20:09:29 +0100
Richard Cochran <ric...@gm...> wrote:

> On Fri, Mar 24, 2017 at 06:44:30PM +0100, Šimon Wernisch wrote:
> > Hello,
> > I am trying to use ptp4l with software timestamping on my raspberry
> > pi with a RT5370 wireless adapter. The driver is rt2800usb found in
> > drivers/net/wireless/ralink/rt2x00 of the raspberry kernel and it
> > doesn't support software timestamp transmitting.   
> 
> Wireless PTP is not going to work very well.  I recommend using NTP
> instead.

Let us not make this a PTP vs. NTP thing.  There is ongoing work to 
use the low level PTP mechanisms with NTP.  They can work together, and
in the near future they will work even better together.

But I agree, you will get much better results with the RasPi ethernet
over its WiFi.  Maybe this user does not have the wired option.

RGDS
GARY
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