linux-kernel - Re: [PATCH bpf-next v2 0/9] selftests/bpf: Test sockmap/sockhash redirection

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Message-ID: <20250421042051.ub5n5hn7rveosltw@gmail.com>
Date: Sun, 20 Apr 2025 21:20:51 -0700
From: John Fastabend <john.fastabend@...il.com>
To: Michal Luczaj <mhal@...x.co>
Cc: Andrii Nakryiko <andrii@...nel.org>,
	Eduard Zingerman <eddyz87@...il.com>,
	Mykola Lysenko <mykolal@...com>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Martin KaFai Lau <martin.lau@...ux.dev>, Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...ichev.me>,
	Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
	Shuah Khan <shuah@...nel.org>, Jonathan Corbet <corbet@....net>,
	bpf@...r.kernel.org, linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	Jakub Sitnicki <jakub@...udflare.com>
Subject: Re: [PATCH bpf-next v2 0/9] selftests/bpf: Test sockmap/sockhash
 redirection

On 2025-04-11 13:32:36, Michal Luczaj wrote:
> The idea behind this series is to comprehensively test the BPF redirection:
> 
> BPF_MAP_TYPE_SOCKMAP,
> BPF_MAP_TYPE_SOCKHASH
> 	x
> sk_msg-to-egress,
> sk_msg-to-ingress,
> sk_skb-to-egress,
> sk_skb-to-ingress
> 	x
> AF_INET, SOCK_STREAM,
> AF_INET6, SOCK_STREAM,
> AF_INET, SOCK_DGRAM,
> AF_INET6, SOCK_DGRAM,
> AF_UNIX, SOCK_STREAM,
> AF_UNIX, SOCK_DGRAM,
> AF_VSOCK, SOCK_STREAM,
> AF_VSOCK, SOCK_SEQPACKET
> 
> New module is introduced, sockmap_redir: all supported and unsupported
> redirect combinations are tested for success and failure respectively. Code
> is pretty much stolen/adapted from Jakub Sitnicki's sockmap_redir_matrix.c
> [1].
> 
> Usage:
> $ cd tools/testing/selftests/bpf
> $ make
> $ sudo ./test_progs -t sockmap_redir
> ...
> Summary: 1/576 PASSED, 0 SKIPPED, 0 FAILED
> 
> [1]: https://github.com/jsitnicki/sockmap-redir-matrix/blob/main/sockmap_redir_matrix.c
> 
> Changes in v2:
> - Verify that the unsupported redirect combos do fail [Jakub]
> - Dedup tests in sockmap_listen
> - Cosmetic changes and code reordering
> - Link to v1: https://lore.kernel.org/bpf/42939687-20f9-4a45-b7c2-342a0e11a014@rbox.co/
> 
> Suggested-by: Jakub Sitnicki <jakub@...udflare.com>
> Signed-off-by: Michal Luczaj <mhal@...x.co>
> ---
 
For the series. Thanks.

Acked-by: John Fastabend <john.fastabend@...il.com>