linux-kernel - Re: [PATCH/v2] bpf: add bpf_skb_adjust_room flag BPF_F_ADJ_ROOM_ENCAP_L2

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Date:   Fri, 19 Feb 2021 00:35:44 +0800
From:   黄学森 <hxseverything@...il.com>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        David Miller <davem@...emloft.net>, bpf <bpf@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Willem de Bruijn <willemb@...gle.com>,
        chengzhiyong <chengzhiyong@...ishou.com>,
        wangli <wangli09@...ishou.com>,
        Alan Maguire <alan.maguire@...cle.com>
Subject: Re: [PATCH/v2] bpf: add bpf_skb_adjust_room flag
 BPF_F_ADJ_ROOM_ENCAP_L2_ETH

Thanks Daniel and Willem!

So sorry to reply to you late for I just took the Chinese Spring Festival vacation.

I will resubmit this patch.

Thanks again!

> 2021年2月11日 下午11:26，Daniel Borkmann <daniel@...earbox.net> 写道：
> 
> On 2/10/21 3:50 PM, Willem de Bruijn wrote:
>> On Wed, Feb 10, 2021 at 1:59 AM huangxuesen <hxseverything@...il.com> wrote:
>>> 
>>> From: huangxuesen <huangxuesen@...ishou.com>
>>> 
>>> bpf_skb_adjust_room sets the inner_protocol as skb->protocol for packets
>>> encapsulation. But that is not appropriate when pushing Ethernet header.
>>> 
>>> Add an option to further specify encap L2 type and set the inner_protocol
>>> as ETH_P_TEB.
>>> 
>>> Suggested-by: Willem de Bruijn <willemb@...gle.com>
>>> Signed-off-by: huangxuesen <huangxuesen@...ishou.com>
>>> Signed-off-by: chengzhiyong <chengzhiyong@...ishou.com>
>>> Signed-off-by: wangli <wangli09@...ishou.com>
>> Thanks, this is exactly what I meant.
>> Acked-by: Willem de Bruijn <willemb@...gle.com>
>> One small point regarding Signed-off-by: It is customary to capitalize
>> family and given names.
> 
> +1, huangxuesen, would be great if you could resubmit with capitalized names in
> your SoB as well as From (both seem affected).
> 
> Thanks,
> Daniel