Re: [dpdk-dev] [EXT] Re: DPDK Telemetry library enhancement

[Harman Kalra <hkalra@marvell.com>]

> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: Wednesday, May 5, 2021 2:28 PM
> To: Harman Kalra <hkalra@marvell.com>
> Cc: bruce.richardson@intel.com; kevin.laatz@intel.com;
> thomas@monjalon.net; stephen@networkplumber.org; dev@dpdk.org; Luca
> Boccassi <bluca@debian.org>; Jerin Jacob Kollanukkaran <jerinj@marvell.com>
> Subject: [EXT] Re: DPDK Telemetry library enhancement
> 
> External Email
> 
> ----------------------------------------------------------------------
> On Wed, May 5, 2021 at 9:49 AM Harman Kalra <hkalra@marvell.com> wrote:
> > We have a use case where we need to gather statistics over network. Current
> implementation of telemetry library is based on Unix socket, we would like to
> enhance the scope of library to use network sockets. We understand security
> challenges with network sockets, to overcome them can we can think of two
> steps:
> > 1. By default library will be using Unix sockets, it will be user decision to run
> library with network sockets by passing respective eal flags.
> > 2. We can introduce some key/password authentication mechanism to the
> library, where only authorized clients can get connected to the server. Password
> can be passed by the user as eal flags, something similar to vf token which is
> uuid based.
> > Kindly provide us suggestions/challenges over this enhancements.
> 
> Rather than implement a new protocol, and code a new client, would collectd
> fulfill your need?
> 
> Info currently retrieved by the telemetry collecd plugin is hardwired.
> Maybe some configuration could be added to this plugin for your new stats.

Thanks David, but our requirement is to get statistics remotely over network. DPDK process and daemon may not be running on the same platform.

> 
> 
> >
> > One more query, can we register driver specific telemetry commands to
> collect driver stats? Is this upstream able?
> 
> I don't remember a limitation/guideline on this subject.
> Any command can be registered, this is up to the telemetry client to invoke it.

Sure, we will register new commands to our driver. 

Thanks
Harman

> 
> 
> --
> David Marchand