From patchwork Thu Apr 11 05:43:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 788130 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8B4F013CA84; Thu, 11 Apr 2024 05:43:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712814208; cv=none; b=PTVFWHuoTO4mu7GMRr7UA21K4dAQ1s8Bbp0zQPpkpdlruXxBeXvVv3Jxnqf6acZQjuv7cVZJGZlG4KXpH6AnHRDldk2WJaaGJdEULB+ptPHxUJuPoX0VjCyFVK35BnaZS5ZAT5zXRmHf7ykdcdKfBVON2Dm9ERiDFxdG5NcFzBw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712814208; c=relaxed/simple; bh=Ppq489d3kgP23QUKTdPgMw60F9L/3oiXpl7j50kX9JM=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=amMdXy5v9kZmUwTfDPfsj210bkEBee4yFqA+KVkf4/K3jVHmHDzMCAtGWlDyK4HPRIgFbvWovR8IRoMoTyOhfUzpgLZu729IF5Z++6Fmj4CK7g+33sieXGnL75CPhKHgBaNWKRcIF3/zxYLQzaOs2y+CAzdIN0xOgIV0jvvVtCE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NtJrBQsf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NtJrBQsf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EA02BC433C7; Thu, 11 Apr 2024 05:43:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712814208; bh=Ppq489d3kgP23QUKTdPgMw60F9L/3oiXpl7j50kX9JM=; h=From:To:Cc:Subject:Date:From; b=NtJrBQsft+w/4IyuEYPDh5ZO9t+Kpl4ZbpmbSIqqBEhK5SfMaB/ABhbZCPvJUcnoU HTRIB1HhxPq4fJaWpyW0mCQKK3tHv9lz4oixPcfpi1HJtvnS7Q+YoqqKxzc+/wEgZ2 FfOm3EuldkU3SFCrRGzJpRTBr1ajMCQTpxJZXP15cLTVCed1YIR9r/hcZAsovhjPes ZGYrTShehlAie54p6BbO8Z3T4ggph5qcGlQOsRkuoQLlU3KIRsfYeYt9/mfGy46K1/ MCVVEvzDVG7fymMQHN19RKb/8nY0CTMuQ/APRI7xvPANdOrFbm+Z2aVwYZh9cYGhSI w7TMA8kwQ3I3Q== From: Geliang Tang To: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan Cc: Geliang Tang , bpf@vger.kernel.org, mptcp@lists.linux.dev, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next v5 0/2] export send_recv_data Date: Thu, 11 Apr 2024 13:43:10 +0800 Message-Id: X-Mailer: git-send-email 2.40.1 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Geliang Tang v5: - address Martin's comments for v4 (thanks). - update patch 2, use 'return err' instead of 'return -1/0'. - drop patch 3 in v4. v4: - fix a bug in v3, it should be 'if (err)', not 'if (!err)'. - move "selftests/bpf: Use log_err in network_helpers" out of this series. v3: - add two more patches. - use log_err instead of ASSERT in v3. - let send_recv_data return int as Martin suggested. v2: Address Martin's comments for v1 (thanks.) - drop patch 1, "export send_byte helper". - drop "WRITE_ONCE(arg.stop, 0)". - rebased. send_recv_data will be re-used in MPTCP bpf tests, but not included in this set because it depends on other patches that have not been in the bpf-next yet. It will be sent as another set soon. Geliang Tang (2): selftests/bpf: Add struct send_recv_arg selftests/bpf: Export send_recv_data helper tools/testing/selftests/bpf/network_helpers.c | 96 +++++++++++++++++++ tools/testing/selftests/bpf/network_helpers.h | 1 + .../selftests/bpf/prog_tests/bpf_tcp_ca.c | 71 +------------- 3 files changed, 98 insertions(+), 70 deletions(-)