From patchwork Sat Jul 20 11:40:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13737796 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 7BB5C5CDE9; Sat, 20 Jul 2024 11:40:49 +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=1721475649; cv=none; b=hUvKUyo77sRWtFT1XBBp+ucrQsZY6NhILCyVP4/B6YVHnDAWObndfo87JqqM6juwG5aqqd7qQwiV76w9TRdntIVpKwPKYf5amZhPntPRxZ36BPu+z99b3/5iuvI8V8vbqnSzjbtnYgnEMTkw2oDuQ1LR1L3KKpTPJVAdQY7HALQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721475649; c=relaxed/simple; bh=ymOxyTJNDeP01Xw3MU6AS7hSYqG64TrobZgfiA/a/CM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UwnCB2LU7p3RRMgIpW1MNi0TOgh0Gwimzn3+WaPDn2D3rrsOZoV2fLykYws6IvrGp/I8kgSytZ8AvFhonMn3WspMdh9+Vr8cx/9GqUKEdKb6cx+3Fvf4W0+dYDM6apdiZZrpoOdQY4x8jDq58CmV8EIUA27Zkm4LAbegihnkjXM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HTTmx3sj; 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="HTTmx3sj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AB154C4AF0C; Sat, 20 Jul 2024 11:40:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721475649; bh=ymOxyTJNDeP01Xw3MU6AS7hSYqG64TrobZgfiA/a/CM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HTTmx3sjCuYdBkDXlNUp2CDoNQZwqn+ii1YzhbEucgw53axHbSRpLGROipTOHpklK +4KU+wRRD6xkOcT4nJ3gsY3EVKM4dUmrJhWd5WHzwbChPKvj4Qfmt6MwgjCSbJMHuR MJ3xhvzpAnEu2RvccPe+7/fpddRtvY+bpH/VUCbt+jGu1KVlLWbDpvYACA66EkJfRD iD/GWGgWgHCtO5MPhpGcC7RbRFlm0fcb/vqZQbA3Sj5aJQUpjjzXtZJwzL3FNjDPTK JkKb+ymkcFdWFuOAE7CDsRum+133XEOhXVFhL2kMibCKv0DPU1Rn8o+tBF5UZhAmix 5upncMZub/1Tw== 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 2/4] selftests/bpf: Drop make_socket in sk_lookup Date: Sat, 20 Jul 2024 19:40:04 +0800 Message-ID: <588771977ac48c27f73526d8421a84b91d7cf218.1721475357.git.tanggeliang@kylinos.cn> 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 This patch uses the public network helers client_socket() + make_sockaddr() in sk_lookup.c to create the client socket, set the timeout sockopts, and make the connecting address. The local defined function make_socket() can be dropped then. Signed-off-by: Geliang Tang --- .../selftests/bpf/prog_tests/sk_lookup.c | 61 ++++++------------- 1 file changed, 17 insertions(+), 44 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c index 9510a3f83787..88f2f9efeea5 100644 --- a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c +++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c @@ -47,8 +47,6 @@ #define INT_IP6 "fd00::2" #define INT_PORT 8008 -#define IO_TIMEOUT_SEC 3 - enum server { SERVER_A = 0, SERVER_B = 1, @@ -114,40 +112,6 @@ static socklen_t inetaddr_len(const struct sockaddr_storage *addr) 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; @@ -842,6 +806,7 @@ static void test_redirect_lookup(struct test_sk_lookup *skel) static void drop_on_lookup(const struct test *t) { + int family = is_ipv6(t->connect_to.ip) ? AF_INET6 : AF_INET; struct sockaddr_storage dst = {}; int client_fd, server_fd, err; struct bpf_link *lookup_link; @@ -856,11 +821,13 @@ 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); - if (client_fd < 0) + client_fd = client_socket(family, t->sotype, NULL); + if (!ASSERT_OK_FD(client_fd, "client_socket")) goto close_srv; + err = make_sockaddr(family, t->connect_to.ip, t->connect_to.port, &dst, NULL); + if (!ASSERT_OK(err, "make_sockaddr")) + goto close_all; err = connect(client_fd, (void *)&dst, inetaddr_len(&dst)); if (t->sotype == SOCK_DGRAM) { err = send_byte(client_fd); @@ -956,6 +923,7 @@ static void test_drop_on_lookup(struct test_sk_lookup *skel) static void drop_on_reuseport(const struct test *t) { + int family = is_ipv6(t->connect_to.ip) ? AF_INET6 : AF_INET; struct sockaddr_storage dst = { 0 }; int client, server1, server2, err; struct bpf_link *lookup_link; @@ -980,11 +948,13 @@ 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); - if (client < 0) + client = client_socket(family, t->sotype, NULL); + if (!ASSERT_OK_FD(client, "client_socket")) goto close_srv2; + err = make_sockaddr(family, t->connect_to.ip, t->connect_to.port, &dst, NULL); + if (!ASSERT_OK(err, "make_sockaddr")) + goto close_all; err = connect(client, (void *)&dst, inetaddr_len(&dst)); if (t->sotype == SOCK_DGRAM) { err = send_byte(client); @@ -1228,10 +1198,13 @@ 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); - if (client_fd < 0) + client_fd = client_socket(AF_INET, SOCK_STREAM, NULL); + if (!ASSERT_OK_FD(client_fd, "client_socket")) goto out_close_server; + err = make_sockaddr(AF_INET, EXT_IP4, EXT_PORT, &dst, NULL); + if (!ASSERT_OK(err, "make_sockaddr")) + goto out_close_client; err = connect(client_fd, (void *)&dst, inetaddr_len(&dst)); if (CHECK(err && !t->expect_errno, "connect", "unexpected error %d\n", errno))