From patchwork Thu Apr 11 01:03:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13625266 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 97DABEEB5; Thu, 11 Apr 2024 01:04:44 +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=1712797484; cv=none; b=LA+fpz5TDnXintuFOu4mUwVkGNy+2hUIfjgO2FyBRcMxtgr6zyNCn+p1p2HoTtabSj7WF/F2u1va5mk/t5OpM5JPLy83Z8oNTRFstmh46T9PFs1Y46u9GvjElinKoDvO4TeXEBMOr1Wme6BffsRmvqDRfwpBtf7aLb1Gii6L1yw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712797484; c=relaxed/simple; bh=zZcnBQfKixrMVLzDiYNjVUUGOzJiKw5LGXwrJ09Y7ys=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=RX4i7IcAt89n16XdsWBDaGhLbZgJ6iRUXVF9GKolbzUwu60TY9YmwIIDhz+7Q5agnlQ8vgNB83OupQeqHyx735SJQkHRPwjYz8jnzVRXKpd0JdUWOUc41lN6qnLqxR1iv4RwnzMnrtdE/CYaTQXTYNGJ8uleWNdh/0E0/Pi2iSs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZxxRRgTL; 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="ZxxRRgTL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 70652C433F1; Thu, 11 Apr 2024 01:04:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712797484; bh=zZcnBQfKixrMVLzDiYNjVUUGOzJiKw5LGXwrJ09Y7ys=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZxxRRgTLi0/B0F9vkiU05YLDSvddaK+UDOFKwcnDcBLldgA2T3miVzVDrjJjVtDyE VpXvLsT32J1bEzs/IgP3CSGTwgYbGCn19QK8d8ZxJrC/v4SzSDnasJhbOsbtB0CLxE uYhuPbaGSuQIuoc/M5qRz5ZZOvXzfW+B9mAr2OuPaTPJp/QGensvOq8CGo529+vrfp B6GdP4Bq3Y7+xopwxhnnmGqUcrEdoaQeIWYaRneTUdvmtocfp/m5tHxrDwJ/as1VyF Oe8ehEIhwIPT4hPt2xgBPHPej8Ak0vMB9NLRzQ0j9zVwIT4UAaeXHxGgI4GQ7Bm/3O G3gdn8S1wVjjw== 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, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next v2 11/14] selftests/bpf: Use start_server_setsockopt in sockopt_inherit Date: Thu, 11 Apr 2024 09:03:19 +0800 Message-Id: X-Mailer: git-send-email 2.40.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Geliang Tang Include network_helpers.h in prog_tests/sockopt_inherit.c, use public helpers make_sockaddr() and start_server_setsockopt() instead of the local defined function start_server(). This can avoid duplicate code. Add a helper setsockopt_loop() to set SOL_CUSTOM sockopt looply, and pass it to start_server_setsockopt(). Signed-off-by: Geliang Tang --- .../bpf/prog_tests/sockopt_inherit.c | 33 ++++++++----------- 1 file changed, 14 insertions(+), 19 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c index 917f486db826..f000d9229765 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c +++ b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include #include "cgroup_helpers.h" +#include "network_helpers.h" #include "sockopt_inherit.skel.h" @@ -98,23 +99,12 @@ static void *server_thread(void *arg) return (void *)(long)err; } -static int start_server(void) +static int setsockopt_loop(int fd, int val) { - struct sockaddr_in addr = { - .sin_family = AF_INET, - .sin_addr.s_addr = htonl(INADDR_LOOPBACK), - }; char buf; int err; - int fd; int i; - fd = socket(AF_INET, SOCK_STREAM, 0); - if (fd < 0) { - log_err("Failed to create server socket"); - return -1; - } - for (i = CUSTOM_INHERIT1; i <= CUSTOM_LISTENER; i++) { buf = 0x01; err = setsockopt(fd, SOL_CUSTOM, i, &buf, 1); @@ -125,13 +115,18 @@ static int start_server(void) } } - if (bind(fd, (const struct sockaddr *)&addr, sizeof(addr)) < 0) { - log_err("Failed to bind socket"); - close(fd); - return -1; - } + return 0; +} - return fd; +static int start_server_lo(void) +{ + struct sockaddr_storage addr; + socklen_t addrlen; + + if (make_sockaddr(AF_INET, "127.0.0.1", 0, &addr, &addrlen)) + return -1; + return start_server_setsockopt((struct sockaddr *)&addr, addrlen, + SOCK_STREAM, (void *)setsockopt_loop, 0); } static void run_test(int cgroup_fd) @@ -160,7 +155,7 @@ static void run_test(int cgroup_fd) if (!ASSERT_OK_PTR(link_setsockopt, "cg-attach-setsockopt")) goto close_bpf_object; - server_fd = start_server(); + server_fd = start_server_lo(); if (!ASSERT_GE(server_fd, 0, "start_server")) goto close_bpf_object;