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From: Thomas Monjalon <thomas@monjalon.net>
To: Marek Pazdan <mpazdan@arista.com>
Cc: Ferruh Yigit <ferruh.yigit@amd.com>,
	Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
	dev@dpdk.org
Subject: Re: [PATCH] lib: add get/set link settings interface
Date: Wed, 03 Apr 2024 18:13:38 +0200	[thread overview]
Message-ID: <11571616.jrtcCam0TZ@thomas> (raw)
In-Reply-To: <CAJUFdiGAnnmtXc1GhUe=CAQya5BYFhcLFiUx1WVs86-msdKvgw@mail.gmail.com>

03/04/2024 16:59, Marek Pazdan:
> Hi Thomas,
> 
> Information like advertising: speed, pause, autonegotiation etc. and that
> same for link partner advertising.

speed and duplex are already provided in some existing API.


> I try to mimic ethtool since it's a common, well known and widely used tool
> so adding an API which provides the same set of information in case the
> interface is passthrough to dpdk will be useful I think.

DPDK API is widely used as well :)
I am not sure adding a new API for the same thing is a good idea.


> I've 2 more patches dependent on the one we are discussing now, but I need
> patchwork id to add dependency information. I need moderator approval for
> the current patch.

I've approved your mails,
but you would not need a manual approval if you register.
Note that you can disable receiving other threads in ML options.
See an explanation here:
https://www.dpdk.org/first-patch-submission-to-the-dpdk-open-source-project/



> On Wed, Apr 3, 2024 at 4:48 PM Thomas Monjalon <thomas@monjalon.net> wrote:
> 
> > 03/04/2024 15:59, Marek Pazdan:
> > >  There are link settings parameters available from PMD drivers level
> > >  which are currently not exposed to the user via consistent interface.
> > >  When interface is available for system level those information can
> > >  be acquired with 'ethtool DEVNAME' (ioctl: ETHTOOL_SLINKSETTINGS/
> > >  ETHTOOL_GLINKSETTINGS). There are use cases where
> > >  physical interface is passthrough to dpdk driver and is not available
> > >  from system level. Information provided by ioctl carries information
> > >  useful for link auto negotiation settings among others.
> >
> > Which information is missing exactly?
> > Why are you trying to mimic ethtool API?
> >
> > Please let's add what is missing instead of adding a full new API.




  reply	other threads:[~2024-04-03 16:13 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-26 23:59 [PATCH] igc/ixgbe: " Marek Pazdan
2024-03-27 11:12 ` Bruce Richardson
2024-04-03 13:40 ` [PATCH] lib: " Marek Pazdan
2024-04-03 16:49   ` Tyler Retzlaff
2024-04-04  7:09     ` David Marchand
2024-04-05  0:55       ` Tyler Retzlaff
2024-04-05  0:56         ` Tyler Retzlaff
2024-04-05  8:58         ` David Marchand
2024-04-05 13:05           ` Dodji Seketeli
2024-04-03 13:59 ` Marek Pazdan
2024-04-03 14:48   ` Thomas Monjalon
2024-04-03 14:59     ` Marek Pazdan
2024-04-03 16:13       ` Thomas Monjalon [this message]
2024-04-03 17:23       ` Stephen Hemminger
2024-04-03 22:08         ` Marek Pazdan
2024-04-03 23:38           ` Stephen Hemminger
2024-07-22 14:55             ` Ferruh Yigit

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