netdev - RE: [PATCH v2] r8152: disable RX aggregation on Dell TB16 dock

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Date:   Thu, 18 Jan 2018 03:04:08 +0000
From:   Hayes Wang <hayeswang@...ltek.com>
To:     David Miller <davem@...emloft.net>,
        "kai.heng.feng@...onical.com" <kai.heng.feng@...onical.com>
CC:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mario.limonciello@...l.com" <mario.limonciello@...l.com>,
        nic_swsd <nic_swsd@...ltek.com>
Subject: RE: [PATCH v2] r8152: disable RX aggregation on Dell TB16 dock

[...]
> > r8153 on Dell TB15/16 dock corrupts rx packets.
> >
> > This change is suggested by Realtek. They guess that the XHCI
> > controller doesn't have enough buffer, and their guesswork is correct,
> > once the RX aggregation gets disabled, the issue is gone.
> >
> > ASMedia is currently working on a real sulotion for this issue.
> >
> > Dell and ODM confirm the bcdDevice and iSerialNumber is unique for TB16.
> >
> > Note that TB15 has different bcdDevice and iSerialNumber, which are
> > not unique values. If you still have TB15, please contact Dell to
> > replace it with TB16.

Excuse me. I don't understand why this patch is for specific USB nic rather than xHCI.
It seems to make the specific USB nic working and the other ones keeping error.


Best Regards,
Hayes