netdev - Re: [PATCHv4 bpf-next 2/4] xdp: extend xdp_redirect

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Message-ID: <20210409024500.GM2900@Leo-laptop-t470s>
Date:   Fri, 9 Apr 2021 10:45:00 +0800
From:   Hangbin Liu <liuhangbin@...il.com>
To:     John Fastabend <john.fastabend@...il.com>
Cc:     Toke Høiland-Jørgensen <toke@...hat.com>,
        bpf@...r.kernel.org, netdev@...r.kernel.org,
        Jiri Benc <jbenc@...hat.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Eelco Chaudron <echaudro@...hat.com>, ast@...nel.org,
        Daniel Borkmann <daniel@...earbox.net>,
        Lorenzo Bianconi <lorenzo.bianconi@...hat.com>,
        David Ahern <dsahern@...il.com>,
        Andrii Nakryiko <andrii.nakryiko@...il.com>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        Björn Töpel <bjorn.topel@...il.com>
Subject: Re: [PATCHv4 bpf-next 2/4] xdp: extend xdp_redirect_map with
 broadcast support

On Thu, Apr 08, 2021 at 04:30:45PM -0700, John Fastabend wrote:
> Hangbin,
> 
> If possible please try to capture some of the design discussion in
> the commit message on the next rev along with the tradeoffs we are making
> so we don't lose these important details. Some of these points are fairly
> subtle calling them out will surely save (for me at least) some thinking
> when I pick this up when it lands in a released kernel.

OK, I will try. There are too many rounds discussion. Please forgive me
if I missed something.

Thanks
Hangbin