netdev - Re: [PATCH bpf-next v6 0/7] add BPF_F_PERMANENT flag for sockmap skmsg redirect

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Date: Sat, 28 Oct 2023 17:59:08 +0800
From: "liujian (CE)" <liujian56@...wei.com>
To: Daniel Borkmann <daniel@...earbox.net>, John Fastabend
	<john.fastabend@...il.com>, <jakub@...udflare.com>, <ast@...nel.org>,
	<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>
CC: <netdev@...r.kernel.org>, <bpf@...r.kernel.org>
Subject: Re: [PATCH bpf-next v6 0/7] add BPF_F_PERMANENT flag for sockmap
 skmsg redirect



On 2023/10/26 21:56, Daniel Borkmann wrote:
> On 10/24/23 11:55 PM, John Fastabend wrote:
>> Liu Jian wrote:
>>> 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
>>>
>>
>> Reviewed-by: John Fastabend <john.fastabend@...il.com>
> 
> Looks like this needs one last rebase, doesn't apply against bpf-next:
> 
The rebased patchset has been sent, thank you~

https://lore.kernel.org/all/20231028100552.2444158-1-liujian56@huawei.com/

> Switched to a new branch 'mbox'
> Applying: bpf, sockmap: Add BPF_F_PERMANENT flag for skmsg redirect
> Applying: selftests/bpf: Add txmsg permanently test for sockmap
> Applying: selftests/bpf: Add txmsg redir permanently test for sockmap
> Applying: selftests/bpf: Add skmsg verdict tests
> error: patch failed: 
> tools/testing/selftests/bpf/prog_tests/sockmap_basic.c:475
> error: tools/testing/selftests/bpf/prog_tests/sockmap_basic.c: patch 
> does not apply
> Patch failed at 0004 selftests/bpf: Add skmsg verdict tests
> hint: Use 'git am --show-current-patch' to see the failed patch
> 
> Thanks,
> Daniel