netdev - Re: [PATCH bpf-next 0/3] move AF

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Date:   Tue, 7 Jun 2022 16:28:36 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Toke Høiland-Jørgensen <toke@...hat.com>
Cc:     Hangbin Liu <liuhangbin@...il.com>,
        Networking <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Björn Töpel <bjorn@...nel.org>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        KP Singh <kpsingh@...nel.org>, bpf <bpf@...r.kernel.org>,
        Kumar Kartikeya Dwivedi <memxor@...il.com>
Subject: Re: [PATCH bpf-next 0/3] move AF_XDP APIs to libxdp

On Tue, Jun 7, 2022 at 2:32 AM Toke Høiland-Jørgensen <toke@...hat.com> wrote:
>
> Hangbin Liu <liuhangbin@...il.com> writes:
>
> > libbpf APIs for AF_XDP are deprecated starting from v0.7.
> > Let's move to libxdp.
> >
> > The first patch removed the usage of bpf_prog_load_xattr(). As we
> > will remove the GCC diagnostic declaration in later patches.
>
> Kartikeya started working on moving some of the XDP-related samples into
> the xdp-tools repo[0]; maybe it's better to just include these AF_XDP
> programs into that instead of adding a build-dep on libxdp to the kernel
> samples?
>

Agree. Meanwhile it's probably better to make samples/bpf just compile
and use xsk.{c,h} from selftests/bpf.

> -Toke
>
> [0] https://github.com/xdp-project/xdp-tools/pull/158
>