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From:   Hayes Wang <hayeswang@realtek.com>
To:     David Miller <davem@davemloft.net>,
        "kai.heng.feng@canonical.com" <kai.heng.feng@canonical.com>
CC:     "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
        "linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "mario.limonciello@dell.com" <mario.limonciello@dell.com>,
        nic_swsd <nic_swsd@realtek.com>
Subject: RE: [PATCH v2] r8152: disable RX aggregation on Dell TB16 dock
Thread-Topic: [PATCH v2] r8152: disable RX aggregation on Dell TB16 dock
Thread-Index: AQHTj9NKRXAFF6MP50eznFHa6G4DSKN46NAQ
Date:   Thu, 18 Jan 2018 03:04:08 +0000
Message-ID: <0835B3720019904CB8F7AA43166CEEB2D2E16D63@RTITMBSV06.realtek.com.tw>
References: <20180116084627.12638-1-kai.heng.feng@canonical.com>
 <20180117.153930.330864749049561139.davem@davemloft.net>
In-Reply-To: <20180117.153930.330864749049561139.davem@davemloft.net>
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[...]
> > 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