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From: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>,
	Martin KaFai Lau <kafai@fb.com>,
	"Song Liu" <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
	John Fastabend <john.fastabend@gmail.com>,
	KP Singh <kpsingh@kernel.org>
Cc: Benjamin Herrenschmidt <benh@amazon.com>,
	Kuniyuki Iwashima <kuniyu@amazon.co.jp>,
	Kuniyuki Iwashima <kuni1840@gmail.com>, <bpf@vger.kernel.org>,
	<netdev@vger.kernel.org>
Subject: [PATCH v4 bpf-next 0/3] BPF iterator for UNIX domain socket.
Date: Tue, 10 Aug 2021 18:28:04 +0900	[thread overview]
Message-ID: <20210810092807.13190-1-kuniyu@amazon.co.jp> (raw)

This patch set adds BPF iterator support for UNIX domain socket.  The first
patch implements it, the second adds "%c" support for BPF_SEQ_PRINTF(), and
the third adds a selftest.


Changelog:
  v4:
  - Check IS_BUILTIN(CONFIG_UNIX)
  - Support "%c" in BPF_SEQ_PRINTF()
  - Uncomment the code to print the name of the abstract socket
  - Mention the LLVM fix in README.rst
  - Remove the 'aligned' attribute in bpf_iter.h
  - Keep the format string on a single line

  v3:
  https://lore.kernel.org/netdev/20210804070851.97834-1-kuniyu@amazon.co.jp/
  - Export some functions for CONFIG_UNIX=m

  v2:
  https://lore.kernel.org/netdev/20210803011110.21205-1-kuniyu@amazon.co.jp/
  - Implement bpf_iter specific seq_ops->stop()
  - Add bpf_iter__unix in bpf_iter.h
  - Move common definitions in selftest to bpf_tracing_net.h
  - Include the code for abstract UNIX domain socket as comment in selftest
  - Use ASSERT_OK_PTR() instead of CHECK()
  - Make ternary operators on single line

  v1:
  https://lore.kernel.org/netdev/20210729233645.4869-1-kuniyu@amazon.co.jp/


Kuniyuki Iwashima (3):
  bpf: af_unix: Implement BPF iterator for UNIX domain socket.
  bpf: Support "%c" in bpf_bprintf_prepare().
  selftest/bpf: Implement sample UNIX domain socket iterator program.

 include/linux/btf_ids.h                       |  3 +-
 kernel/bpf/helpers.c                          | 14 +++
 net/unix/af_unix.c                            | 93 +++++++++++++++++++
 tools/testing/selftests/bpf/README.rst        | 38 ++++++++
 .../selftests/bpf/prog_tests/bpf_iter.c       | 16 ++++
 tools/testing/selftests/bpf/progs/bpf_iter.h  |  8 ++
 .../selftests/bpf/progs/bpf_iter_unix.c       | 77 +++++++++++++++
 .../selftests/bpf/progs/bpf_tracing_net.h     |  4 +
 8 files changed, 252 insertions(+), 1 deletion(-)
 create mode 100644 tools/testing/selftests/bpf/progs/bpf_iter_unix.c

-- 
2.30.2


             reply	other threads:[~2021-08-10  9:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-10  9:28 Kuniyuki Iwashima [this message]
2021-08-10  9:28 ` [PATCH v4 bpf-next 1/3] bpf: af_unix: Implement " Kuniyuki Iwashima
2021-08-10 23:25   ` Yonghong Song
2021-08-10  9:28 ` [PATCH v4 bpf-next 2/3] bpf: Support "%c" in bpf_bprintf_prepare() Kuniyuki Iwashima
2021-08-10 23:32   ` Yonghong Song
2021-08-11 21:15   ` Andrii Nakryiko
2021-08-12  2:15     ` Kuniyuki Iwashima
2021-08-12  4:24       ` Andrii Nakryiko
2021-08-12  5:03         ` Kuniyuki Iwashima
2021-08-10  9:28 ` [PATCH v4 bpf-next 3/3] selftest/bpf: Implement sample UNIX domain socket iterator program Kuniyuki Iwashima
2021-08-10 23:46   ` Yonghong Song
2021-08-11  1:35     ` Kuniyuki Iwashima

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