Re: [Linuxptp-users] Issues with linuxptp and Intel 82574

[Fabrizio G. <Fab...@ri...>]

It's basically the standard scientific linux 6.4 kernel.

uname -a
Linux dorothy8.lab.nbttech.com 2.6.32-358.18.1.el6.x86_64 #1 SMP PREEMPT Wed Sep 4 16:09:45 EDT 2013 x86_64 x86_64 x86_64 GNU/Linux

-----Original Message-----
From: Richard Cochran [mailto:ric...@gm...] 
Sent: Monday, October 21, 2013 10:49
To: Fabrizio Giordano
Cc: Vick, Matthew; Ledda William EXT; lin...@li...
Subject: Re: [Linuxptp-users] Issues with linuxptp and Intel 82574

On Mon, Oct 21, 2013 at 05:32:54PM +0000, Fabrizio Giordano wrote:
> No that's what I find odd...
> On another machine I have the exact same kernel but I installed an Intel 82576.
> Here's what ethtool -T returns:
> 
> ethtool -T eth0
> Time stamping parameters for eth0:
> Capabilities:
>         hardware-transmit     (SOF_TIMESTAMPING_TX_HARDWARE)
>         hardware-receive      (SOF_TIMESTAMPING_RX_HARDWARE)
>         hardware-raw-clock    (SOF_TIMESTAMPING_RAW_HARDWARE)
> PTP Hardware Clock: 0

Okay, so what do you get from `uname -a`?

> And it actually works with HW timestamps. If it works with another NIC and the same kernel I expect that with the proper driver it should work also with a 82574.
> Or am I wrong?

Tell us more about your kernel. Where did you get it from?
Is the source available somewhere to look at?

Thanks,
Richard