netdev - Re: [PATCH iproute2 2/2] devlink: add batch command support

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Date:   Fri, 10 Nov 2017 21:47:35 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Ivan Vecera <ivecera@...hat.com>
Cc:     netdev@...r.kernel.org, jiri@...lanox.com, arkadis@...lanox.com
Subject: Re: [PATCH iproute2 2/2] devlink: add batch command support

On Fri, Nov 10, 2017 at 08:10:43AM +0100, Ivan Vecera wrote:
> On 10.11.2017 07:57, Leon Romanovsky wrote:
> > On Fri, Nov 10, 2017 at 07:20:14AM +0100, Ivan Vecera wrote:
> >> The patch adds support to batch devlink commands.
> >>
> >> Cc: Jiri Pirko <jiri@...lanox.com>
> >> Cc: Arkadi Sharshevsky <arkadis@...lanox.com>
> >> Signed-off-by: Ivan Vecera <ivecera@...hat.com>
> >> ---
> >>  devlink/devlink.c  | 70 +++++++++++++++++++++++++++++++++++++++++++++++-------
> >>  man/man8/devlink.8 | 16 +++++++++++++
> >>  2 files changed, 78 insertions(+), 8 deletions(-)
> >>
> >
> > <..>
> >
> >> diff --git a/man/man8/devlink.8 b/man/man8/devlink.8
> >> index a480766c..a975ef34 100644
> >> --- a/man/man8/devlink.8
> >> +++ b/man/man8/devlink.8
> >> @@ -12,6 +12,12 @@ devlink \- Devlink tool
> >>  .sp
> >>
> >>  .ti -8
> >> +.B devlink
> >> +.RB "[ " -force " ] "
> >> +.BI "-batch " filename
> >> +.sp
> >> +
> >> +.ti -8
> >>  .IR OBJECT " := { "
> >>  .BR dev " | " port " | " monitor " }"
> >>  .sp
> >> @@ -32,6 +38,16 @@ Print the version of the
> >>  utility and exit.
> >>
> >>  .TP
> >> +.BR "\-b", " \-batch " <FILENAME>
> >> +Read commands from provided file or standard input and invoke them.
> >> +First failure will cause termination of devlink.
> >
> > It is worth to document the expected format of that file.
> > And IMHO, it is better to have ability to load JSON fie which was
> > generated by -j, instead of declaring new format/knob.
> It's just a list of command-lines... like other utils (bridge,ip...)

I'm implementing similar thing in RDMAtool (part of iproute2) and choose JSON
approach, it is more user and script friendly.

Thanks

>
> I.
>




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