netdev - Re: [PATCH net-next v3 3/6] net: add generic selftest support

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Message-ID: <CAMuHMdW+cX=vsZg2MyBOM+6Akp-nRQ0QrU=2XSiegFhHNA+jVg@mail.gmail.com>
Date:   Fri, 30 Apr 2021 08:45:05 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Fugang Duan <fugang.duan@....com>,
        Sascha Hauer <kernel@...gutronix.de>,
        netdev <netdev@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        NXP Linux Team <linux-imx@....com>,
        Fabio Estevam <festevam@...il.com>,
        David Jander <david@...tonic.nl>,
        Russell King <linux@...linux.org.uk>,
        Philippe Schenker <philippe.schenker@...adex.com>
Subject: Re: [PATCH net-next v3 3/6] net: add generic selftest support

Hi Oleksij,

On Mon, Apr 19, 2021 at 3:13 PM Oleksij Rempel <o.rempel@...gutronix.de> wrote:
> Port some parts of the stmmac selftest and reuse it as basic generic selftest
> library. This patch was tested with following combinations:
> - iMX6DL FEC -> AT8035
> - iMX6DL FEC -> SJA1105Q switch -> KSZ8081
> - iMX6DL FEC -> SJA1105Q switch -> KSZ9031
> - AR9331 ag71xx -> AR9331 PHY
> - AR9331 ag71xx -> AR9331 switch -> AR9331 PHY
>
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>

Thanks for your patch, which is now commit 3e1e58d64c3d0a67 ("net: add
generic selftest support") upstream.

> --- a/net/Kconfig
> +++ b/net/Kconfig
> @@ -429,6 +429,10 @@ config GRO_CELLS
>  config SOCK_VALIDATE_XMIT
>         bool
>
> +config NET_SELFTESTS
> +       def_tristate PHYLIB

Why does this default to enabled if PHYLIB=y?
Usually we allow the user to make selftests modular, independent of the
feature under test, but I may misunderstand the purpose of this test.

Thanks for your clarification!

> +       depends on PHYLIB
> +

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds