netdev - Re: [PATCH bpf-next v7 0/7] add BPF_F_PERMANENT flag for sockmap skmsg redirect

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Message-ID: <87bkcg1nk2.fsf@cloudflare.com>
Date: Mon, 30 Oct 2023 10:12:03 +0100
From: Jakub Sitnicki <jakub@...udflare.com>
To: Liu Jian <liujian56@...wei.com>
Cc: john.fastabend@...il.com, ast@...nel.org, daniel@...earbox.net,
 andrii@...nel.org, martin.lau@...ux.dev, song@...nel.org,
 yonghong.song@...ux.dev, kpsingh@...nel.org, sdf@...gle.com,
 haoluo@...gle.com, jolsa@...nel.org, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 dsahern@...nel.org, netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH bpf-next v7 0/7] add BPF_F_PERMANENT flag for sockmap
 skmsg redirect

On Sat, Oct 28, 2023 at 06:05 PM +08, Liu Jian wrote:
> v6->v7: Rebase to latest bpf-next tree, and no changes.
> v5->v6: Modified the description of the helper function.
> v4->v5: Fix one refcount bug caused by patch1.
> v3->v4: Change the two helpers's description.
> 	Let BPF_F_PERMANENT takes precedence over apply/cork_bytes.
>
> Liu Jian (7):
>   bpf, sockmap: add BPF_F_PERMANENT flag for skmsg redirect
>   selftests/bpf: Add txmsg permanently test for sockmap
>   selftests/bpf: Add txmsg redir permanently test for sockmap
>   selftests/bpf: add skmsg verdict tests
>   selftests/bpf: add two skmsg verdict tests for BPF_F_PERMANENT flag
>   selftests/bpf: add tests for verdict skmsg to itself
>   selftests/bpf: add tests for verdict skmsg to closed socket
>
>  include/linux/skmsg.h                         |   1 +
>  include/uapi/linux/bpf.h                      |  45 +++++--
>  net/core/skmsg.c                              |   6 +-
>  net/core/sock_map.c                           |   4 +-
>  net/ipv4/tcp_bpf.c                            |  12 +-
>  tools/include/uapi/linux/bpf.h                |  45 +++++--
>  .../selftests/bpf/prog_tests/sockmap_basic.c  | 122 ++++++++++++++++++
>  .../selftests/bpf/progs/test_sockmap_kern.h   |   3 +-
>  .../bpf/progs/test_sockmap_msg_verdict.c      |  25 ++++
>  tools/testing/selftests/bpf/test_sockmap.c    |  41 +++++-
>  10 files changed, 272 insertions(+), 32 deletions(-)
>  create mode 100644 tools/testing/selftests/bpf/progs/test_sockmap_msg_verdict.c

I gave it one last look. For the series:

Reviewed-by: Jakub Sitnicki <jakub@...udflare.com>