linux-kernel - Re: [PATCH] r8152: Add MAC passthrough support to new device

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Message-ID: <CACeCKacQpDsptRi6AZhuFYg2c87-bW0KS6vy=CacB8+j+6YBXA@mail.gmail.com>
Date:   Mon, 13 Jan 2020 23:51:42 -0800
From:   Prashant Malani <pmalani@...omium.org>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     David Miller <davem@...emloft.net>,
        Hayes Wang <hayeswang@...ltek.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Grant Grundler <grundler@...omium.org>,
        Mario Limonciello <mario.limonciello@...l.com>,
        David Chen <david.chen7@...l.com>,
        "open list:USB NETWORKING DRIVERS" <linux-usb@...r.kernel.org>,
        "open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] r8152: Add MAC passthrough support to new device

On Mon, Jan 13, 2020 at 8:41 PM Kai-Heng Feng
<kai.heng.feng@...onical.com> wrote:
>
> Device 0xa387 also supports MAC passthrough, therefore add it to the
> whitelst.
>
> BugLink: https://bugs.launchpad.net/bugs/1827961/comments/30
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
> ---
>  drivers/net/usb/r8152.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
> index c5ebf35d2488..42dcf1442cc0 100644
> --- a/drivers/net/usb/r8152.c
> +++ b/drivers/net/usb/r8152.c
> @@ -6657,7 +6657,8 @@ static int rtl8152_probe(struct usb_interface *intf,
>         }
>
>         if (le16_to_cpu(udev->descriptor.idVendor) == VENDOR_ID_LENOVO &&
> -           le16_to_cpu(udev->descriptor.idProduct) == 0x3082)
> +           (le16_to_cpu(udev->descriptor.idProduct) == 0x3082 ||
> +            le16_to_cpu(udev->descriptor.idProduct) == 0xa387))
Perhaps we can try to use #define's for these vendor IDs (like
https://github.com/torvalds/linux/blob/master/drivers/net/usb/r8152.c#L680)
?

>                 set_bit(LENOVO_MACPASSTHRU, &tp->flags);
>
>         if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x3011 && udev->serial &&
> --
> 2.17.1
>