From patchwork Mon Nov 19 16:11:17 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ido Schimmel X-Patchwork-Id: 10688885 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6F80417FE for ; Mon, 19 Nov 2018 16:11:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5E96C29947 for ; Mon, 19 Nov 2018 16:11:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 525E92A0F8; Mon, 19 Nov 2018 16:11:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CF9962A0DC for ; Mon, 19 Nov 2018 16:11:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729972AbeKTCfY (ORCPT ); Mon, 19 Nov 2018 21:35:24 -0500 Received: from mail-eopbgr10068.outbound.protection.outlook.com ([40.107.1.68]:28374 "EHLO EUR02-HE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729957AbeKTCfX (ORCPT ); Mon, 19 Nov 2018 21:35:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Mellanox.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=voq8WILfT3a9x9oSQxcyEh539kT40KH6+Yu/QfGrM8k=; b=COEyQ2PTXeUSQTWwe1RdFcZhsKlqvwGRoMNFUbKdzIuHjbGIthMT134QqyUCdftDeQGLRw7OYT9tc2wH+RSikdR6vzMrgqSojkzhb5qJgt7dScyhLvy8TowKbeAeO0ykvpv7ckBWWioYqRMovPsZArbmR6hUirNb0LV1GJVyDhE= Received: from AM0PR05MB4978.eurprd05.prod.outlook.com (20.177.42.95) by AM0PR05MB4899.eurprd05.prod.outlook.com (20.177.41.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1294.35; Mon, 19 Nov 2018 16:11:17 +0000 Received: from AM0PR05MB4978.eurprd05.prod.outlook.com ([fe80::f953:cde4:ff8d:501a]) by AM0PR05MB4978.eurprd05.prod.outlook.com ([fe80::f953:cde4:ff8d:501a%4]) with mapi id 15.20.1339.026; Mon, 19 Nov 2018 16:11:17 +0000 From: Ido Schimmel To: "netdev@vger.kernel.org" , "linux-kselftest@vger.kernel.org" CC: "davem@davemloft.net" , "shuah@kernel.org" , Jiri Pirko , Petr Machata , "roopa@cumulusnetworks.com" , mlxsw , Ido Schimmel Subject: [PATCH net-next 09/18] selftests: forwarding: vxlan_bridge_1d: Add flood test Thread-Topic: [PATCH net-next 09/18] selftests: forwarding: vxlan_bridge_1d: Add flood test Thread-Index: AQHUgCKAhqsWsQxDlU6LSYEyfKiuQg== Date: Mon, 19 Nov 2018 16:11:17 +0000 Message-ID: <20181119161006.5405-10-idosch@mellanox.com> References: <20181119161006.5405-1-idosch@mellanox.com> In-Reply-To: <20181119161006.5405-1-idosch@mellanox.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: AM5PR0601CA0031.eurprd06.prod.outlook.com (2603:10a6:203:68::17) To AM0PR05MB4978.eurprd05.prod.outlook.com (2603:10a6:208:d0::31) authentication-results: spf=none (sender IP is ) smtp.mailfrom=idosch@mellanox.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [193.47.165.251] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;AM0PR05MB4899;6:GCQgVfDHW86CcrGYl6tOfKBMSUrAiohdatY8UV9RjsREweUO/sXvR7mcP2KE+Xkne+XVKdpMQc6EXpp9TxObCex8pwKoL0SbKv/oPunIgKvMoto6eX+q8aloDDlfzkyqxQHCoLtGbL2bX+hPa3AolOxzYDwbnslHQJinG5rety7kEE5fDHJHc3jJQVvKe8KMfj4OIndJzk5d4CklTSsORiFZZYekZxxPMDQGa0HIW4hWZFJq52aIAWtVRVxyP+dO/RsdmhcsHajxkoSjqogWBVaVgnxvOu+nCig0AZzTlOHXzGMIwqJMwboibtLxMN+96EETriSxUXBT+SCUCPh0KYJVdkH+w1mxrB23UKT1bkRdg9qYmQ+ISNYrJfRqkqsU2+iXhsbSSx8iO63j8UCC/ren/7ZJeJQmXRf2uVOhQAHWPMB3asdelYW8jiC3CfbiM0KkyX/KeVnNAg5rdF4pzg==;5:g+3MOAwN2hK6XZrO6JreUJfIgirdQ+8knl8AKmgwcJifdKbpCuNDrWTJtKGivhc6+ylEhn/fDqY2/BEcVw/fAq0yy+bvdupAA4U3Um3+ybQo5Sk9ZF2gbz4dVN2ZvT5q0r2MAJSNxO9UWIkFCQW9zyZXtVCAkJClvcsyPsi7TKU=;7:gReZKGMXLBj+VdBkXWDQiVQMnWXlQn+aGwYsyHuvJEge2fu5XztgUNIb2f78clEySasuXdtKUSpfmSmb06nAWSCivmLyrTZLyAn32MkkWS0xa/b0IR7h+FmhMxyfn4R7O9UVwMhM9lsJLBWMqvScFA== x-ms-office365-filtering-correlation-id: bd500b99-46de-4ec7-0276-08d64e39a2a4 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390098)(7020095)(4652040)(8989299)(5600074)(711020)(4618075)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7153060)(7193020);SRVR:AM0PR05MB4899; x-ms-traffictypediagnostic: AM0PR05MB4899: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(6040522)(2401047)(5005006)(8121501046)(3231415)(944501410)(52105112)(3002001)(10201501046)(93006095)(93001095)(6055026)(148016)(149066)(150057)(6041310)(20161123562045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(20161123558120)(20161123560045)(201708071742011)(7699051)(76991095);SRVR:AM0PR05MB4899;BCL:0;PCL:0;RULEID:;SRVR:AM0PR05MB4899; x-forefront-prvs: 08617F610C x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(376002)(39860400002)(346002)(366004)(136003)(396003)(199004)(189003)(8676002)(386003)(68736007)(26005)(14454004)(36756003)(8936002)(1076002)(102836004)(3846002)(6116002)(6506007)(4326008)(186003)(81166006)(81156014)(52116002)(25786009)(11346002)(110136005)(316002)(478600001)(54906003)(76176011)(2906002)(6512007)(107886003)(53936002)(99286004)(2616005)(2501003)(7736002)(575784001)(86362001)(446003)(66066001)(6436002)(476003)(5660300001)(305945005)(106356001)(256004)(105586002)(6486002)(97736004)(71200400001)(486006)(71190400001)(2900100001);DIR:OUT;SFP:1101;SCL:1;SRVR:AM0PR05MB4899;H:AM0PR05MB4978.eurprd05.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: 9Vbocl2toKJYl3rexCn+j3NUIiUE+q9fT1DgFsNm0jbelIj3oO8ydC0j9rH7tmn9w/uu1kxLD8mc80yv4R4kxVTzcSUTKOi7RftzMd2UPOw2qDTpuFhNDtQhUpXvoPPfpXsZHDTgNc0BI7gGJf4j+MS5REaiYeVIcfSlFDzeJvs749QFgpj/UghTkvoYxy0e1F6gbvaVJFpnBXlRyfyZxKqTJa8vLyc097YuQMatmnQD+JBWfUG/s72PhnElKVF9XWl3E4VAe+LsffWNmg2+TSKZQw5M7F8RMzJDQuWtvPLn9ZSlLtyn7WxtVnQhHTGRp5e7tlw7pl2MujekwSq3OIxRLUncsF1YJ0wLJAiasz8= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: bd500b99-46de-4ec7-0276-08d64e39a2a4 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 Nov 2018 16:11:17.1466 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR05MB4899 Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Petr Machata Test that when sending traffic to an unlearned MAC address, the traffic is flooded to both remote VXLAN endpoints. Signed-off-by: Petr Machata Signed-off-by: Ido Schimmel --- .../net/forwarding/vxlan_bridge_1d.sh | 105 ++++++++++++++++++ 1 file changed, 105 insertions(+) diff --git a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh index 0e3d7abc70d3..1edd5189c41c 100755 --- a/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh +++ b/tools/testing/selftests/net/forwarding/vxlan_bridge_1d.sh @@ -66,6 +66,7 @@ export VXPORT : ${ALL_TESTS:=" ping_ipv4 + test_flood "} NUM_NETIFS=6 @@ -289,6 +290,110 @@ ping_ipv4() ping_test $h1 192.0.2.4 ": local->remote 2" } +maybe_in_ns() +{ + echo ${1:+in_ns} $1 +} + +__flood_counter_add_del() +{ + local add_del=$1; shift + local dev=$1; shift + local ns=$1; shift + + # Putting the ICMP capture both to HW and to SW will end up + # double-counting the packets that are trapped to slow path, such as for + # the unicast test. Adding either skip_hw or skip_sw fixes this problem, + # but with skip_hw, the flooded packets are not counted at all, because + # those are dropped due to MAC address mismatch; and skip_sw is a no-go + # for veth-based topologies. + # + # So try to install with skip_sw and fall back to skip_sw if that fails. + + $(maybe_in_ns $ns) __icmp_capture_add_del \ + $add_del 100 "" $dev skip_sw 2>/dev/null || \ + $(maybe_in_ns $ns) __icmp_capture_add_del \ + $add_del 100 "" $dev skip_hw +} + +flood_counter_install() +{ + __flood_counter_add_del add "$@" +} + +flood_counter_uninstall() +{ + __flood_counter_add_del del "$@" +} + +flood_fetch_stat() +{ + local dev=$1; shift + local ns=$1; shift + + $(maybe_in_ns $ns) tc_rule_stats_get $dev 100 ingress +} + +flood_fetch_stats() +{ + local counters=("${@}") + local counter + + for counter in "${counters[@]}"; do + flood_fetch_stat $counter + done +} + +vxlan_flood_test() +{ + local mac=$1; shift + local dst=$1; shift + local -a expects=("${@}") + + local -a counters=($h2 "vx2 ns1" "vx2 ns2") + local counter + local key + + for counter in "${counters[@]}"; do + flood_counter_install $counter + done + + local -a t0s=($(flood_fetch_stats "${counters[@]}")) + $MZ $h1 -c 10 -d 100msec -p 64 -b $mac -B $dst -t icmp -q + sleep 1 + local -a t1s=($(flood_fetch_stats "${counters[@]}")) + + for key in ${!t0s[@]}; do + local delta=$((t1s[$key] - t0s[$key])) + local expect=${expects[$key]} + + ((expect == delta)) + check_err $? "${counters[$key]}: Expected to capture $expect packets, got $delta." + done + + for counter in "${counters[@]}"; do + flood_counter_uninstall $counter + done +} + +__test_flood() +{ + local mac=$1; shift + local dst=$1; shift + local what=$1; shift + + RET=0 + + vxlan_flood_test $mac $dst 10 10 10 + + log_test "VXLAN: $what" +} + +test_flood() +{ + __test_flood de:ad:be:ef:13:37 192.0.2.100 "flood" +} + test_all() { echo "Running tests with UDP port $VXPORT"