From patchwork Thu Jul 11 02:52:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13729951 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 5ECAEBA29; Thu, 11 Jul 2024 02:53:39 +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=1720666419; cv=none; b=GsFdzP/PhQBOBFyD1nVBo0a+0ZlA5qBV2Yp+sV1+8aiKGX+z8yBXTORrxgoauXwUo75sD6zWJmBBMXeh59GrqXeGHhQYBQHD1ZRDs1Lk4OYsb3RbTokYaGYr40x6sqHsocZ5OJvwXz2d/BDz3EKgLI/UUcdF1RDVaJ6j+5ToADc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720666419; c=relaxed/simple; bh=HwKICgEpbwXi5sOe44e/mtrg0kyb+kSvDeOFE71Puno=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Fi4mWQFRum4S+5RIIf6zxNmZ6upc9mj/JN6GyLcMyfO9+iNMzzjtXSXpk2ouVTGD+sQG4SRzTTckTfb7P8i7GrcO/oA3uNX1s9VEDZWXihDhHlEOA7TtxE2f8pip1EVc8pdyq3PdBcESwXsOAlSzeaicthTl3TsgpV5PHPz9IbY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UW0+Y9t3; 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="UW0+Y9t3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BBC96C4AF0A; Thu, 11 Jul 2024 02:53:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720666419; bh=HwKICgEpbwXi5sOe44e/mtrg0kyb+kSvDeOFE71Puno=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UW0+Y9t3kzmLGlLtZSyF7T+RbiCn14x7RyWWtE4iHZQeGwAQCUNbRjU9zXm/Xr3fL mxkpfzg/zn5I07A9+NynssFx8wZ/QLx0CaC2ADJMgqYR+uccBM14mh6P+QyOM6KlQc 94VoAPyKQbRq7IbQa/VN/+jAu6SlsKH59i2TZz757W8jDq8XNADz4qJhf2f+ZtUjo2 jjjLOOYRbnHei0L6M86NEw491VtC8rXqzs9ez6u+Fyt/5eddVHdWBtJTPA77aL6/O2 JRkt4In+oXNpWBSEqJqsoj4VRVcIwVclX2mh6vguuLmnbFf/krWrJh6VrqnFczZDSP nxiexyNlhQEyw== 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 , Hao Luo , Jiri Olsa , Shuah Khan Cc: Geliang Tang , bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next 5/5] selftests/bpf: Drop make_socket in sk_lookup Date: Thu, 11 Jul 2024 10:52:52 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 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 Use local helper make_client() in drop_on_lookup(), drop_on_reuseport() and run_multi_prog_lookup() instead of using make_socket() + connect(). Then make_socket() and inetaddr_len() can be dropped. Signed-off-by: Geliang Tang --- .../selftests/bpf/prog_tests/sk_lookup.c | 58 ++----------------- 1 file changed, 6 insertions(+), 52 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c index beea7866b37f..3d1c315841b7 100644 --- a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c +++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c @@ -108,46 +108,6 @@ static int attach_reuseport(int sock_fd, struct bpf_program *reuseport_prog) return 0; } -static socklen_t inetaddr_len(const struct sockaddr_storage *addr) -{ - return (addr->ss_family == AF_INET ? sizeof(struct sockaddr_in) : - addr->ss_family == AF_INET6 ? sizeof(struct sockaddr_in6) : 0); -} - -static int make_socket(int sotype, const char *ip, int port, - struct sockaddr_storage *addr) -{ - struct timeval timeo = { .tv_sec = IO_TIMEOUT_SEC }; - int err, family, fd; - - family = is_ipv6(ip) ? AF_INET6 : AF_INET; - err = make_sockaddr(family, ip, port, addr, NULL); - if (CHECK(err, "make_address", "failed\n")) - return -1; - - fd = socket(addr->ss_family, sotype, 0); - if (CHECK(fd < 0, "socket", "failed\n")) { - log_err("failed to make socket"); - return -1; - } - - err = setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, &timeo, sizeof(timeo)); - if (CHECK(err, "setsockopt(SO_SNDTIMEO)", "failed\n")) { - log_err("failed to set SNDTIMEO"); - close(fd); - return -1; - } - - err = setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timeo, sizeof(timeo)); - if (CHECK(err, "setsockopt(SO_RCVTIMEO)", "failed\n")) { - log_err("failed to set RCVTIMEO"); - close(fd); - return -1; - } - - return fd; -} - static int setsockopts(int fd, void *opts) { struct cb_opts *co = (struct cb_opts *)opts; @@ -856,8 +816,7 @@ static void test_redirect_lookup(struct test_sk_lookup *skel) static void drop_on_lookup(const struct test *t) { - struct sockaddr_storage dst = {}; - int client_fd, server_fd, err; + int client_fd, server_fd, err = 0; struct bpf_link *lookup_link; ssize_t n; @@ -870,12 +829,11 @@ static void drop_on_lookup(const struct test *t) if (server_fd < 0) goto detach; - client_fd = make_socket(t->sotype, t->connect_to.ip, - t->connect_to.port, &dst); + client_fd = make_client(t->sotype, t->connect_to.ip, + t->connect_to.port, ECONNREFUSED); if (client_fd < 0) goto close_srv; - err = connect(client_fd, (void *)&dst, inetaddr_len(&dst)); if (t->sotype == SOCK_DGRAM) { err = send_byte(client_fd); if (err) @@ -970,7 +928,6 @@ static void test_drop_on_lookup(struct test_sk_lookup *skel) static void drop_on_reuseport(const struct test *t) { - struct sockaddr_storage dst = { 0 }; int client, server1, server2, err; struct bpf_link *lookup_link; ssize_t n; @@ -994,12 +951,11 @@ static void drop_on_reuseport(const struct test *t) if (server2 < 0) goto close_srv1; - client = make_socket(t->sotype, t->connect_to.ip, - t->connect_to.port, &dst); + client = make_client(t->sotype, t->connect_to.ip, + t->connect_to.port, ECONNREFUSED); if (client < 0) goto close_srv2; - err = connect(client, (void *)&dst, inetaddr_len(&dst)); if (t->sotype == SOCK_DGRAM) { err = send_byte(client); if (err) @@ -1209,7 +1165,6 @@ struct test_multi_prog { static void run_multi_prog_lookup(const struct test_multi_prog *t) { - struct sockaddr_storage dst = {}; int map_fd, server_fd, client_fd; struct bpf_link *link1, *link2; int prog_idx, done, err; @@ -1242,11 +1197,10 @@ static void run_multi_prog_lookup(const struct test_multi_prog *t) if (err) goto out_close_server; - client_fd = make_socket(SOCK_STREAM, EXT_IP4, EXT_PORT, &dst); + client_fd = make_client(SOCK_STREAM, EXT_IP4, EXT_PORT, t->expect_errno); if (client_fd < 0) goto out_close_server; - err = connect(client_fd, (void *)&dst, inetaddr_len(&dst)); if (CHECK(err && !t->expect_errno, "connect", "unexpected error %d\n", errno)) goto out_close_client;