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

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Message-ID: <29b5395f-daff-99f2-4a4b-6d462623a9fe@iogearbox.net>
Date:   Thu, 11 Feb 2021 16:26:43 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        huangxuesen <hxseverything@...il.com>
Cc:     David Miller <davem@...emloft.net>, bpf <bpf@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        huangxuesen <huangxuesen@...ishou.com>,
        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

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