netdev - Re: [PATCH v23 bpf-next 00/23] mvneta: introduce XDP multi-buffer support

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Message-ID: <CAADnVQKoNag5tKRKm9oGR8j3qXv0nSW3eUXJtCtqxrCd9Q7Cew@mail.gmail.com>
Date:   Fri, 21 Jan 2022 14:21:38 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     bpf <bpf@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        Lorenzo Bianconi <lorenzo.bianconi@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Shay Agroskin <shayagr@...zon.com>,
        John Fastabend <john.fastabend@...il.com>,
        David Ahern <dsahern@...nel.org>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Eelco Chaudron <echaudro@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Alexander Duyck <alexander.duyck@...il.com>,
        Saeed Mahameed <saeed@...nel.org>,
        "Fijalkowski, Maciej" <maciej.fijalkowski@...el.com>,
        "Karlsson, Magnus" <magnus.karlsson@...el.com>,
        tirthendu.sarkar@...el.com,
        Toke Høiland-Jørgensen <toke@...hat.com>,
        Andrii Nakryiko <andrii.nakryiko@...il.com>
Subject: Re: [PATCH v23 bpf-next 00/23] mvneta: introduce XDP multi-buffer support

On Fri, Jan 21, 2022 at 2:10 AM Lorenzo Bianconi <lorenzo@...nel.org> wrote:
>
> This series introduces XDP frags support. The mvneta driver is
> the first to support these new "non-linear" xdp_{buff,frame}. Reviewers
> please focus on how these new types of xdp_{buff,frame} packets
> traverse the different layers and the layout design. It is on purpose
> that BPF-helpers are kept simple, as we don't want to expose the
> internal layout to allow later changes.
...
> Changes since v22:
> - remove leftover CHECK macro usage
> - reintroduce SEC_XDP_FRAGS flag in sec_def_flags
> - rename xdp multi_frags in xdp frags
> - do not report xdp_frags support in fdinfo

Twenty third time's the charm.
Applied.