linux-kernel - Re: [PATCH net-next 01/12] net: hns3: fix VLAN initialization to be compatible with port base insert VLAN

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Message-Id: <20190411.212641.809336343201829564.davem@davemloft.net>
Date:   Thu, 11 Apr 2019 21:26:41 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     tanhuazhong@...wei.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        salil.mehta@...wei.com, yisen.zhuang@...wei.com,
        linuxarm@...wei.com, shenjian15@...wei.com
Subject: Re: [PATCH net-next 01/12] net: hns3: fix VLAN initialization to
 be compatible with port base insert VLAN

From: tanhuazhong <tanhuazhong@...wei.com>
Date: Fri, 12 Apr 2019 10:30:38 +0800

> 
> 
> On 2019/4/12 2:20, David Miller wrote:
>> From: Huazhong Tan <tanhuazhong@...wei.com>
>> Date: Thu, 11 Apr 2019 20:25:20 +0800
>> 
>>> From: Jian Shen <shenjian15@...wei.com>
>>>
>>> This patch fixes VLAN initialization, in order to be compatible
>>> with VLAN inserted base on port.
>> This doesn't mean anything to me.
>> Why was normal VLAN initialization different, and how is the behavior
>> of VLAN's configured when inserted based upon port different and why
>> is it better?
>> You have to improve your commit log messages so that someone not
>> intimately familiar with your driver and code can understand what you
>> are doing and why.
>> 
> 
> Sorry, I will describe it in detail.
> 
> Our hardware supports insert a specified vlan header for each function
> when send packets. User can enable it with command "ip link set
> <devname> vf <vfid> vlan <vlan id>".  For this vlan header is inserted
> by hardware, not from stack, hardware also needs to strip it from
> received packet before upstreaming to stack.  In this case, driver
> needs to tell hardware which vlan to insert or strip.

Don't tell me here, rewrite all of your commit messages for this patch
series so that they explain these k inds of details.

That is what I am asking you to do.

Thank you.