lkml.org 
[lkml]   [2022]   [Jan]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH RFC V1 net-next 3/4] net: Let the active time stamping layer be selectable.
    On Fri, Jan 21, 2022 at 12:05:22PM +0100, Kurt Kanzenbach wrote:
    > On Thu Jan 20 2022, Vladimir Oltean wrote:
    > > Hi Richard,
    > >
    > > On Mon, Jan 03, 2022 at 03:25:54PM -0800, Richard Cochran wrote:
    > >> Make the sysfs knob writable, and add checks in the ioctl and time
    > >> stamping paths to respect the currently selected time stamping layer.
    > >>
    > >> Signed-off-by: Richard Cochran <richardcochran@gmail.com>
    > >> ---
    > >
    > > Could we think of a more flexible solution? Your proposal would not
    > > allow a packet to have multiple hwtstamps, and maybe that would be
    > > interesting for some use cases (hardware testing, mostly).
    >
    > One use case i can think of for having multiple hwtimestamps per packet
    > is crosstimestamping. Some devices such as hellcreek have multiple PHCs
    > and allow generation of such crosstimestamps.

    That may well be nice to have, but that is not in scope for this series.

    Thanks,
    Richard

    \
     
     \ /
      Last update: 2022-01-21 16:31    [W:3.107 / U:0.492 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site