From patchwork Thu Oct 24 02:42:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "D. Wythe" X-Patchwork-Id: 13848258 X-Patchwork-Delegate: bpf@iogearbox.net Received: from out30-101.freemail.mail.aliyun.com (out30-101.freemail.mail.aliyun.com [115.124.30.101]) (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 868311E51D; Thu, 24 Oct 2024 02:48:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.101 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729738112; cv=none; b=tCNqxjsY4cfcRM9sEEJ6W+EadvwSLhp5lFjeOTX9yfkVSMznzzLyiCH93q+zpJxgSXBX7zC0RF6kaPxCe+xcYuLcSWQI3vQQHYib62c9MDf6epk1yCefB9IL5R4nXFd5eEjE22TF3/Mavb5bJoHCsS/NTchAVbkmvitr34xTUCQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729738112; c=relaxed/simple; bh=pDBnVwV4TrSz9x6jHbsxWa5WmwTlfzb/lAVwo0dzrhc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=DlAhQyBOSw0PuVxwCB4S6q7D6xDr/4Ba033lcMf5VsZ+SR5NXDHn93/4ASc2mryPwdct3zvkFqBJUmp9PYk0fb06Np8yhB93WDD5uO4EhJuejivC7/jrnRx1hRILoM/ul0QzXx0ShcCwYM5PLNhGTWU+AINw5VU4iEH3XhEXdbA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=wm7uSVrh; arc=none smtp.client-ip=115.124.30.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="wm7uSVrh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1729738100; h=From:To:Subject:Date:Message-Id; bh=9jvqQZLq79EKmM2QtBsiWqAED1EfuumssWsjxKW9xfc=; b=wm7uSVrhEyHL4EtJ5yrE0EfuyL++xuqviL4PenWQstX0vlOfzhCrQjQxCZLUk7ryPA2PcynL5khZckwkX6vOJSj8B8My/0QjdqWawAKNoa9PYH8dh0eyJ1AaW3Xhn4m3cxSclU0Q6xGX6kSaf8r6cVEmzvYltOyTs3j6gfbxTKI= Received: from j66a10360.sqa.eu95.tbsite.net(mailfrom:alibuda@linux.alibaba.com fp:SMTPD_---0WHnU0H6_1729737776 cluster:ay36) by smtp.aliyun-inc.com; Thu, 24 Oct 2024 10:42:57 +0800 From: "D. Wythe" To: kgraul@linux.ibm.com, wenjia@linux.ibm.com, jaka@linux.ibm.com, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, pabeni@redhat.com, song@kernel.org, sdf@google.com, haoluo@google.com, yhs@fb.com, edumazet@google.com, john.fastabend@gmail.com, kpsingh@kernel.org, jolsa@kernel.org, guwen@linux.alibaba.com Cc: kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-rdma@vger.kernel.org, bpf@vger.kernel.org, dtcccc@linux.alibaba.com Subject: [PATCH bpf-next 4/4] bpf/selftests: add simple selftest for bpf_smc_ops Date: Thu, 24 Oct 2024 10:42:48 +0800 Message-Id: <1729737768-124596-5-git-send-email-alibuda@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1729737768-124596-1-git-send-email-alibuda@linux.alibaba.com> References: <1729737768-124596-1-git-send-email-alibuda@linux.alibaba.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: X-Patchwork-Delegate: bpf@iogearbox.net From: "D. Wythe" This PATCH adds a tiny selftest for bpf_smc_ops, to verify the ability to attach and write access. Follow the steps below to run this test. make -C tools/testing/selftests/bpf cd tools/testing/selftests/bpf sudo ./test_progs -t smc Results shows: Summary: 1/1 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: D. Wythe --- .../selftests/bpf/prog_tests/test_bpf_smc.c | 21 +++++++++++ tools/testing/selftests/bpf/progs/bpf_smc.c | 44 ++++++++++++++++++++++ 2 files changed, 65 insertions(+) create mode 100644 tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c create mode 100644 tools/testing/selftests/bpf/progs/bpf_smc.c diff --git a/tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c b/tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c new file mode 100644 index 00000000..2299853 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 +#include + +#include "bpf_smc.skel.h" + +static void load(void) +{ + struct bpf_smc *skel; + + skel = bpf_smc__open_and_load(); + if (!ASSERT_OK_PTR(skel, "bpf_smc__open_and_load")) + return; + + bpf_smc__destroy(skel); +} + +void test_bpf_smc(void) +{ + if (test__start_subtest("load")) + load(); +} diff --git a/tools/testing/selftests/bpf/progs/bpf_smc.c b/tools/testing/selftests/bpf/progs/bpf_smc.c new file mode 100644 index 00000000..ebff477 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/bpf_smc.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include "vmlinux.h" + +#include +#include + +char _license[] SEC("license") = "GPL"; + +struct smc_bpf_ops_ctx { + struct { + struct tcp_sock *tp; + } set_option; + struct { + const struct tcp_sock *tp; + struct inet_request_sock *ireq; + int smc_ok; + } set_option_cond; +}; + +struct smc_bpf_ops { + void (*set_option)(struct smc_bpf_ops_ctx *ctx); + void (*set_option_cond)(struct smc_bpf_ops_ctx *ctx); +}; + +SEC("struct_ops/bpf_smc_set_tcp_option_cond") +void BPF_PROG(bpf_smc_set_tcp_option_cond, struct smc_bpf_ops_ctx *arg) +{ + arg->set_option_cond.smc_ok = 1; +} + +SEC("struct_ops/bpf_smc_set_tcp_option") +void BPF_PROG(bpf_smc_set_tcp_option, struct smc_bpf_ops_ctx *arg) +{ + struct tcp_sock *tp = arg->set_option.tp; + + tp->syn_smc = 1; +} + +SEC(".struct_ops.link") +struct smc_bpf_ops sample_smc_bpf_ops = { + .set_option = (void *) bpf_smc_set_tcp_option, + .set_option_cond = (void *) bpf_smc_set_tcp_option_cond, +};