From patchwork Mon Mar 6 11:19:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Po-Hsu Lin X-Patchwork-Id: 13160985 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0711CC678D4 for ; Mon, 6 Mar 2023 11:21:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230023AbjCFLU7 (ORCPT ); Mon, 6 Mar 2023 06:20:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230021AbjCFLUz (ORCPT ); Mon, 6 Mar 2023 06:20:55 -0500 Received: from smtp-relay-canonical-0.canonical.com (smtp-relay-canonical-0.canonical.com [185.125.188.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7C3325942; Mon, 6 Mar 2023 03:20:51 -0800 (PST) Received: from localhost.localdomain (1.general.phlin.uk.vpn [10.172.194.38]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-0.canonical.com (Postfix) with ESMTPSA id 875363F261; Mon, 6 Mar 2023 11:20:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1678101644; bh=sOYKKn1+ndyAa3vO5ercVplZyfjuZNClfnktikXiNHU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=JHMVzPV5PZwFc2kbK8EgXw2fPBoMOFiagVNhuLcpU3Oa/IPS/k7yPiztmHeDM0sFh c93H4sTXEM5SC+B2tWVzKNqRjvT+p5oJcird3YQUGg3dQ0tUzRZg18tzvB9Q/h2l7c npNoEeVl/df1+skwdOUkgXGOyBw4d8+30Ll8Ehm9s8p+FU/m3q0/Kp/QBtdMcxEEUi W9YJxyFdaFzQtcANo372Uf9aiGQG4moQekP089Y3OJz4RfQRJd7+7rH55r3i8HS9uc x10QZFI86KX8UW6kh1wlWCMzIuSh4qdRIdrbCKETMm4NzPuA6dr+0CKi/tULgXT48Q 5NutbcNe6aIgw== From: Po-Hsu Lin To: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, netdev@vger.kernel.org Cc: idosch@mellanox.com, danieller@mellanox.com, petrm@mellanox.com, shuah@kernel.org, pabeni@redhat.com, kuba@kernel.org, edumazet@google.com, davem@davemloft.net, po-hsu.lin@canonical.com Subject: [PATCH] selftests: net: devlink_port_split.py: skip test if no suitable device available Date: Mon, 6 Mar 2023 19:19:59 +0800 Message-Id: <20230306111959.429680-1-po-hsu.lin@canonical.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org The `devlink -j dev show` command output may not contain the "flavour" key, for example: $ devlink -j dev show {"dev":{"pci/0001:00:00.0":{},"pci/0002:00:00.0":{}}} This will cause a KeyError exception. Fix this by checking the key existence first. Also, if max lanes is 0 the port splitting won't be tested at all. but the script will end normally and thus causing a false-negative test result. Use a test_ran flag to determine if these tests were skipped and return KSFT_SKIP accordingly. Link: https://bugs.launchpad.net/bugs/1937133 Fixes: f3348a82e727 ("selftests: net: Add port split test") Signed-off-by: Po-Hsu Lin --- tools/testing/selftests/net/devlink_port_split.py | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/devlink_port_split.py b/tools/testing/selftests/net/devlink_port_split.py index 2b5d6ff..462f3df 100755 --- a/tools/testing/selftests/net/devlink_port_split.py +++ b/tools/testing/selftests/net/devlink_port_split.py @@ -61,7 +61,7 @@ class devlink_ports(object): for port in ports: if dev in port: - if ports[port]['flavour'] == 'physical': + if 'flavour' in ports[port] and ports[port]['flavour'] == 'physical': arr.append(Port(bus_info=port, name=ports[port]['netdev'])) return arr @@ -231,6 +231,7 @@ def make_parser(): def main(cmdline=None): + test_ran = False parser = make_parser() args = parser.parse_args(cmdline) @@ -277,6 +278,11 @@ def main(cmdline=None): split_splittable_port(port, lane, max_lanes, dev) lane //= 2 + test_ran = True + + if not test_ran: + print("No suitable device for the test, test skipped") + sys.exit(KSFT_SKIP) if __name__ == "__main__":