From patchwork Mon Jul 8 02:29:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 811320 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 2FC77442F; Mon, 8 Jul 2024 02:30:45 +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=1720405845; cv=none; b=LUKGZ3Xt+cCNkbLMAyiO6XSW/lRmnDRCs0z8FADsprKzpcw5e9gdfnRwV6+zPwqP35o2Hx1FXXkH2xpzZX1bT2iy/Pu9RZJTLUGw/MxU8sP7eO4JapAehCfcDNxL8eKJtcSRY9MvrO4O2yWaQrQkUjr3HTQVXzuwHMEMJJYO33Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720405845; c=relaxed/simple; bh=xkEJWzojc89EojQm4GQ2qYFqMqQKzaIHgglr7UG2tq0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kkJQ0VlF7OOESqxAp9oR5tkHUFE5+jI/usIFPlCOc+gHPpavdNV/v1WgI0lORDhS28+L7CbHIOwaWpwrr5vKIyTb6yLceMMetJ/seYFyQjw3hgyrhFsO4MORM4AbHQD28Y1ZEu7vSK2x0LtHEHPxQgfHTjE+4E+jqh0DHnqPwuE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a6+5UoTY; 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="a6+5UoTY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2303FC4AF07; Mon, 8 Jul 2024 02:30:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720405845; bh=xkEJWzojc89EojQm4GQ2qYFqMqQKzaIHgglr7UG2tq0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a6+5UoTY4TFQVSrlOH0zleLuVCmkRI11Mw+oyoxSzT6wkZEWfvG4OX6bYV0okPOMF /Vk/VaanbLfzdgBTGi2bZPaRXTKLwjteyF89UN/RcebRd5suDbYjeEC7DwzoijRcYA V17ar9DTb2tvHOCkPG7BMb8XRKN1i2B9cEl5FAoPQal2+79PBTeiiDUX0GrKWA3hZH guPhwK0yuzljiADvexDzuHWuKw97co3iG020HqTU78dL5z52ZNV8zVP2OQMlMwi5yO hDF00YXvqaigZYlWHiManqgrILE5PGXAKWgIFscN4fJ2NbfzJYcjbcppLaX4Mdr6OD s9du//vaQsAZw== 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 v10 06/12] selftests/bpf: Add expect_errno for network_helper_opts Date: Mon, 8 Jul 2024 10:29:44 +0800 Message-ID: <35ab4f6f094e3c700aa9ec20ee6d6d1a91284b5a.1720405046.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 The errno EPERM is skipped in connect_fd_to_addr() by cgroup_v1v2 tests. More generally, it makes sense to add a struct member "expect_errno" for network_helper_opts to identify the expect errno to be skipped. Correspondingly, connect_fd_to_addr() helper needs to add a new parameter "expect_errno" too to accept "opts->expect_errno" passed from the caller connect_to_addr() or connect_fd_to_fd(). With this change, only need to set "expect_errno" as EPERM in run_test() in prog_tests/cgroup_v1v2.c. Signed-off-by: Geliang Tang --- tools/testing/selftests/bpf/network_helpers.c | 11 +++++++---- tools/testing/selftests/bpf/network_helpers.h | 1 + tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c | 1 + 3 files changed, 9 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c index 475a5a04e61e..062170d6be1c 100644 --- a/tools/testing/selftests/bpf/network_helpers.c +++ b/tools/testing/selftests/bpf/network_helpers.c @@ -279,7 +279,8 @@ int client_socket(int family, int type, static int connect_fd_to_addr(int fd, const struct sockaddr_storage *addr, - socklen_t addrlen, const bool must_fail) + socklen_t addrlen, const bool must_fail, + const int expect_errno) { int ret; @@ -290,7 +291,7 @@ static int connect_fd_to_addr(int fd, log_err("Unexpected success to connect to server"); return -1; } - if (errno != EPERM) { + if (errno != expect_errno) { log_err("Unexpected error from connect to server"); return -1; } @@ -318,7 +319,8 @@ int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t add return -1; } - if (connect_fd_to_addr(fd, addr, addrlen, opts->must_fail)) + if (connect_fd_to_addr(fd, addr, addrlen, opts->must_fail, + opts->expect_errno)) goto error_close; return fd; @@ -386,7 +388,8 @@ int connect_fd_to_fd(int client_fd, int server_fd, return -1; } - if (connect_fd_to_addr(client_fd, &addr, len, opts->must_fail)) + if (connect_fd_to_addr(client_fd, &addr, len, opts->must_fail, + opts->expect_errno)) return -1; return 0; diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h index fcda6b2333ad..14d161d35248 100644 --- a/tools/testing/selftests/bpf/network_helpers.h +++ b/tools/testing/selftests/bpf/network_helpers.h @@ -24,6 +24,7 @@ typedef __u16 __sum16; struct network_helper_opts { int timeout_ms; bool must_fail; + int expect_errno; int proto; /* The backlog argument for listen(), defines the maximum length to which * the queue of pending connections for sockfd may grow. diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c b/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c index 9709c8db7275..ff477163f0ea 100644 --- a/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c +++ b/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c @@ -11,6 +11,7 @@ static int run_test(int cgroup_fd, int server_fd, bool classid) { struct network_helper_opts opts = { .must_fail = true, + .expect_errno = EPERM, }; struct connect4_dropper *skel; int fd, err = 0;