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

[Vick, M. <mat...@in...>]

Actually, the more recent out-of-tree versions of igb dropped support for
the older timesync API. Older versions should have the support for the
older API.

On 10/21/13 10:25 AM, "Allan, Bruce W" <bru...@in...> wrote:

>IIRC, the out-of-tree igb driver (the driver supporting 82576) also
>supports the older timesync API in addition to the newer PTP Hardware
>Clock subsystem; the out-of-tree e1000e driver does not support the older
>API, just the newer one.
>
>> -----Original Message-----
>> From: Fabrizio Giordano [mailto:Fab...@ri...]
>> Sent: Monday, October 21, 2013 10:13 AM
>> To: Richard Cochran
>> Cc: lin...@li...
>> Subject: Re: [Linuxptp-users] Issues with linuxptp and Intel 82574
>> 
>> Then why it works just fine with an Intel 82576 (and the *same* kernel)?
>> 
>> Fabrizio
>> 
>> -----Original Message-----
>> From: Richard Cochran [mailto:ric...@gm...]
>> Sent: Monday, October 21, 2013 10:11
>> 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 04:51:58PM +0000, Fabrizio Giordano wrote:
>> >
>> > The kernel we use is a custom recompiled version of
>>2.6.32-358.18.1.el6.
>> 
>> That explains it. The PTP Hardware Clock subsystem first appeared in
>> v3.0 of the Linux kernel.
>> 
>> Sorry,
>> Richard
>> 
>> 
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