From patchwork Thu Jul 18 06:22:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 813568 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 96C0573477; Thu, 18 Jul 2024 06:23:36 +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=1721283816; cv=none; b=hKjlny0fRGTs6bauM02zO2jqtxnj9YQ9b/SPtko6e4bGoYdJ+5auKw0hyV+KQVLw7qmxlYZMWMeGNmg2jKb2WaBlmMmNG4/GXMYNDWeIw56j7RxyVe7dPgYb16/VO+u4X6gjfkO3OZTCS8k8ZIMnm1QyoJP09XcqJuSTB/lfFwA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721283816; c=relaxed/simple; bh=1XDJn0TtQHL6OsmkJ5DEznCn6PXG39XsRnPu7oafgvw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=n6ArE+uGMBozWFS/TKWi8R9k4xgU6T/7nrVNLw4hs7BL8qKoCMz8e2b43dNPonIn5DfMszTesbfabY3+1XsPZ527WiEWfInvbhEG/03F/hMv0hKjCeY1FijRr7D73raphzk/nufP9v/AK4wv0M9NWRndQGoJ+D5ZSI56csKBeRQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uvNzvg+A; 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="uvNzvg+A" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89695C4AF18; Thu, 18 Jul 2024 06:23:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721283816; bh=1XDJn0TtQHL6OsmkJ5DEznCn6PXG39XsRnPu7oafgvw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uvNzvg+A++u/1SUvDELhIgj3SELlcAGFGT255hPzueWB2UuYWZeTyuT7Z8hxmsW1Z gNRJGixWR2tKl7sHG2NY4aWn/2NtSvLFoCh1JuSyUT1AX2EuqZfOk1vX4wKHNyrIIW m3mJZcIErhdKVPE35KpP0Qvy7IkzdQAwTS7ZRbgnULd1xND9MDhpFoeUT9wdMlUQ5M T+PEVWwc2EFtebqCX9SxxafLTWMPWcYrBwThG9pL++2GYCVQxPIAYa9VrGVh2EtYF+ VsvougAwJW6QZhC+wP08ZZ2NnCkF0KQzVOR4sg6f6FE1Jus90LiyOMuM/uLwUfxtdf QJgZnlNtnESFg== 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 v3 4/5] selftests/bpf: Use connect_to_addr_str in sk_lookup Date: Thu, 18 Jul 2024 14:22:32 +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 This patch uses the new helper connect_to_addr_str() in make_client() instead of using local defined function make_socket() + connect(). This local function can be dropped latter. A new parameter "expect_errno" is added for make_client() too to allow different "expect_errno" is passed to make_client(). It is used to check with "errno" after invoking connect_to_addr_str(). Signed-off-by: Geliang Tang --- .../selftests/bpf/prog_tests/sk_lookup.c | 26 +++++++------------ 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c index ae87c00867ba..beea7866b37f 100644 --- a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c +++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c @@ -229,25 +229,19 @@ static int make_server(int sotype, const char *ip, int port, return -1; } -static int make_client(int sotype, const char *ip, int port) +static int make_client(int sotype, const char *ip, int port, int expect_errno) { - struct sockaddr_storage addr = {0}; - int err, fd; - - fd = make_socket(sotype, ip, port, &addr); - if (fd < 0) - return -1; + int fd; - err = connect(fd, (void *)&addr, inetaddr_len(&addr)); - if (CHECK(err, "make_client", "connect")) { + fd = connect_to_addr_str(is_ipv6(ip) ? AF_INET6 : AF_INET, + sotype, ip, port, NULL); + if (CHECK(fd < 0 && (!expect_errno || errno != expect_errno), + "make_client", "connect_to_addr_str")) { log_err("failed to connect client socket"); - goto fail; + return -1; } return fd; -fail: - close(fd); - return -1; } static __u64 socket_cookie(int fd) @@ -646,7 +640,7 @@ static void run_lookup_prog(const struct test *t) goto close; } - client_fd = make_client(t->sotype, t->connect_to.ip, t->connect_to.port); + client_fd = make_client(t->sotype, t->connect_to.ip, t->connect_to.port, 0); if (client_fd < 0) goto close; @@ -1152,7 +1146,7 @@ static void run_sk_assign_connected(struct test_sk_lookup *skel, if (server_fd < 0) return; - connected_fd = make_client(sotype, EXT_IP4, EXT_PORT); + connected_fd = make_client(sotype, EXT_IP4, EXT_PORT, 0); if (connected_fd < 0) goto out_close_server; @@ -1166,7 +1160,7 @@ static void run_sk_assign_connected(struct test_sk_lookup *skel, goto out_close_connected; /* Try to redirect TCP SYN / UDP packet to a connected socket */ - client_fd = make_client(sotype, EXT_IP4, EXT_PORT); + client_fd = make_client(sotype, EXT_IP4, EXT_PORT, 0); if (client_fd < 0) goto out_unlink_prog; if (sotype == SOCK_DGRAM) {