linux-kernel - Re: [PATCH net] net: vrf: Fix ping failed when vrf mtu is set to 0

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Date:   Sun, 7 Apr 2019 10:29:48 +0800
From:   linmiaohe <linmiaohe@...wei.com>
To:     David Miller <davem@...emloft.net>, <dsa@...ulusnetworks.com>
CC:     <shrijeet@...il.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <mingfangsen@...wei.com>
Subject: Re: [PATCH net] net: vrf: Fix ping failed when vrf mtu is set to 0



On 2019/4/7 9:12, David Miller wrote:
> From: linmiaohe <linmiaohe@...wei.com>
> Date: Thu, 4 Apr 2019 20:01:13 +0800
> 
>> From: Miaohe Lin <linmiaohe@...wei.com>
>>
>> When the mtu of a vrf device is set to 0, it would cause ping
>> failed.So I think we should limit dev->min_mtu to ETH_MIN_MTU
>> to solve this problem. And if dev->max_mtu still be 0 can be
>> confusing, so I limit dev->max_mtu to ETH_MAX_MTU.
>>
>> Here is the reproduce step:
> 
> Just in case it isn't clear, David Ahern gave you feedback and
> asked you to adjust things so that the problem is solved for ipv6
> as well.  He also gave you an appropriate Fixes: tag to add to
> your commit message.
> 
> .
> 

I'am sorry, I'am on my holiday, so I found these emalis just now.
I will adjust things in v2 so that this patch will solve for ipv6 as well.
And add an appropriate fixes to my commit message.
Thank you very much.