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Date:   Tue, 15 Jan 2019 10:09:46 -0500
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     Cong Wang <xiyou.wangcong@...il.com>
Cc:     Simon Horman <simon.horman@...ronome.com>,
        Bartek Kois <bartek.kois@...il.com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: Problem with queuing vlan tagged packets after migration from
 3.16.0 to 4.9.0

On 2019-01-13 1:22 p.m., Cong Wang wrote:
> On Sat, Jan 12, 2019 at 4:12 AM Jamal Hadi Salim <jhs@...atatu.com> wrote:
>>
>> It will be a new feature in the sense the user will have to specify
>> something like (adding "mark" for clarify):
>>
>> tc filter add .... protocol 802.1q .. u32 \
>> match u32 0 0 \
>> mark 15 \
>> vlanid 1234
>> action vlan pop reclassify
> 
> This is clearly a new feature, however, it only solves one part of
> the problem, the length of IPv4 header is still various and there
> is no way to predict it.


As i mentioned in my earlier email, that feature should work.
What is broken?

cheers,
jamal


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