netdev - Re: [Patch bpf-next 01/19] bpf: rename BPF_STREAM_PARSER to BPF_SOCK

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Date:   Fri, 05 Feb 2021 11:32:52 +0100
From:   Jakub Sitnicki <jakub@...udflare.com>
To:     Cong Wang <xiyou.wangcong@...il.com>
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        duanxiongchun@...edance.com, wangdongdong.6@...edance.com,
        jiang.wang@...edance.com, Cong Wang <cong.wang@...edance.com>,
        John Fastabend <john.fastabend@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Lorenz Bauer <lmb@...udflare.com>
Subject: Re: [Patch bpf-next 01/19] bpf: rename BPF_STREAM_PARSER to
 BPF_SOCK_MAP

On Wed, Feb 03, 2021 at 05:16 AM CET, Cong Wang wrote:
> From: Cong Wang <cong.wang@...edance.com>
>
> Before we add non-TCP support, it is necessary to rename
> BPF_STREAM_PARSER as it will be no longer specific to TCP,
> and it does not have to be a parser either.
>
> This patch renames BPF_STREAM_PARSER to BPF_SOCK_MAP, so
> that sock_map.c hopefully would be protocol-independent.
>
> Also, improve its Kconfig description to avoid confusion.
>
> Cc: John Fastabend <john.fastabend@...il.com>
> Cc: Daniel Borkmann <daniel@...earbox.net>
> Cc: Jakub Sitnicki <jakub@...udflare.com>
> Cc: Lorenz Bauer <lmb@...udflare.com>
> Signed-off-by: Cong Wang <cong.wang@...edance.com>
> ---
>  include/linux/bpf.h       |  4 ++--
>  include/linux/bpf_types.h |  2 +-
>  include/net/tcp.h         |  4 ++--
>  include/net/udp.h         |  4 ++--
>  net/Kconfig               | 13 ++++++-------
>  net/core/Makefile         |  2 +-
>  net/ipv4/Makefile         |  2 +-
>  net/ipv4/tcp_bpf.c        |  4 ++--
>  8 files changed, 17 insertions(+), 18 deletions(-)

We also have a couple of references to CONFIG_BPF_STREAM_PARSER in
tools/tests:

$ git grep -i bpf_stream_parser
...
tools/bpf/bpftool/feature.c:            { "CONFIG_BPF_STREAM_PARSER", },
tools/testing/selftests/bpf/config:CONFIG_BPF_STREAM_PARSER=y

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