netdev - Re: [PATCH] r8152: disable rx checksum offload on Dell TB dock

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Message-Id: <ABAD63E7-FB7B-48C0-9EEA-6B5B7B32721D@canonical.com>
Date:   Tue, 28 Nov 2017 17:40:29 +0800
From:   Kai Heng Feng <kai.heng.feng@...onical.com>
To:     Mario.Limonciello@...l.com
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        David Miller <davem@...emloft.net>, hayeswang@...ltek.co,
        linux-usb@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] r8152: disable rx checksum offload on Dell TB dock



> On 27 Nov 2017, at 11:13 PM, <Mario.Limonciello@...l.com> <Mario.Limonciello@...l.com> wrote:
> 
> This is quite surprising to me too.  The externally plugged in r8153 dongle,
> was it connected over type C port or over type A port?  AFAIK Type C port is
> actually Alpine ridge pass through port.  It is not connected to XHCI controller
> or USB hub.

Over the front type A port, which connects to SMSC hub then ASMedia controller.

The type C port indeed connects to AR directly, hence no such issue.

Kai-Heng