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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jiri Pirko , Shuah Khan , Jonathan Toppins , linux-kselftest@vger.kernel.org Subject: [PATCH net v3 4/4] net: Add tests for bonding and team address list management Date: Wed, 7 Sep 2022 16:56:42 +0900 Message-Id: <20220907075642.475236-5-bpoirier@nvidia.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220907075642.475236-1-bpoirier@nvidia.com> References: <20220907075642.475236-1-bpoirier@nvidia.com> X-ClientProxiedBy: TY2PR04CA0011.apcprd04.prod.outlook.com (2603:1096:404:f6::23) To MN2PR12MB4373.namprd12.prod.outlook.com (2603:10b6:208:261::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b21960d4-2bd3-4207-3d1f-08da90a71480 X-MS-TrafficTypeDiagnostic: SA0PR12MB4495:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MN2PR12MB4373.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230016)(4636009)(136003)(346002)(366004)(376002)(39860400002)(396003)(2906002)(5660300002)(7416002)(38100700002)(6486002)(8936002)(478600001)(6506007)(6666004)(41300700001)(316002)(6916009)(54906003)(4326008)(66556008)(83380400001)(66946007)(66476007)(8676002)(1076003)(26005)(6512007)(186003)(2616005)(86362001)(36756003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: b21960d4-2bd3-4207-3d1f-08da90a71480 X-MS-Exchange-CrossTenant-AuthSource: MN2PR12MB4373.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Sep 2022 08:00:50.6733 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 0LFDCArG3cSZVC64oNbmHzqGUlVryoEF6K7YkzuFcUodnt1k9+hmOGImZYYZJD08dkN0pz28GBIJACw7PpDIEA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB4495 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Test that the bonding and team drivers clean up an underlying device's address lists (dev->uc, dev->mc) when the aggregated device is deleted. Test addition and removal of the LACPDU multicast address on underlying devices by the bonding driver. v2: * add lag_lib.sh to TEST_FILES v3: * extend bond_listen_lacpdu_multicast test to init_state up and down cases * remove some superfluous shell syntax and 'set dev ... up' commands Signed-off-by: Benjamin Poirier --- MAINTAINERS | 1 + tools/testing/selftests/Makefile | 1 + .../selftests/drivers/net/bonding/Makefile | 5 +- .../selftests/drivers/net/bonding/config | 1 + .../drivers/net/bonding/dev_addr_lists.sh | 109 ++++++++++++++++++ .../selftests/drivers/net/bonding/lag_lib.sh | 61 ++++++++++ .../selftests/drivers/net/team/Makefile | 6 + .../testing/selftests/drivers/net/team/config | 3 + .../drivers/net/team/dev_addr_lists.sh | 51 ++++++++ 9 files changed, 237 insertions(+), 1 deletion(-) create mode 100755 tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh create mode 100644 tools/testing/selftests/drivers/net/bonding/lag_lib.sh create mode 100644 tools/testing/selftests/drivers/net/team/Makefile create mode 100644 tools/testing/selftests/drivers/net/team/config create mode 100755 tools/testing/selftests/drivers/net/team/dev_addr_lists.sh diff --git a/MAINTAINERS b/MAINTAINERS index 589517372408..4194f44e7bb9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19937,6 +19937,7 @@ S: Supported F: drivers/net/team/ F: include/linux/if_team.h F: include/uapi/linux/if_team.h +F: tools/testing/selftests/net/team/ TECHNOLOGIC SYSTEMS TS-5500 PLATFORM SUPPORT M: "Savoir-faire Linux Inc." diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index c2064a35688b..1fc89b8ef433 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -13,6 +13,7 @@ TARGETS += damon TARGETS += drivers/dma-buf TARGETS += drivers/s390x/uvdevice TARGETS += drivers/net/bonding +TARGETS += drivers/net/team TARGETS += efivarfs TARGETS += exec TARGETS += filesystems diff --git a/tools/testing/selftests/drivers/net/bonding/Makefile b/tools/testing/selftests/drivers/net/bonding/Makefile index ab6c54b12098..0f9659407969 100644 --- a/tools/testing/selftests/drivers/net/bonding/Makefile +++ b/tools/testing/selftests/drivers/net/bonding/Makefile @@ -1,6 +1,9 @@ # SPDX-License-Identifier: GPL-2.0 # Makefile for net selftests -TEST_PROGS := bond-break-lacpdu-tx.sh +TEST_PROGS := bond-break-lacpdu-tx.sh \ + dev_addr_lists.sh + +TEST_FILES := lag_lib.sh include ../../../lib.mk diff --git a/tools/testing/selftests/drivers/net/bonding/config b/tools/testing/selftests/drivers/net/bonding/config index dc1c22de3c92..70638fa50b2c 100644 --- a/tools/testing/selftests/drivers/net/bonding/config +++ b/tools/testing/selftests/drivers/net/bonding/config @@ -1 +1,2 @@ CONFIG_BONDING=y +CONFIG_MACVLAN=y diff --git a/tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh b/tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh new file mode 100755 index 000000000000..e6fa24eded5b --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/dev_addr_lists.sh @@ -0,0 +1,109 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test bond device handling of addr lists (dev->uc, mc) +# + +ALL_TESTS=" + bond_cleanup_mode1 + bond_cleanup_mode4 + bond_listen_lacpdu_multicast_case_down + bond_listen_lacpdu_multicast_case_up +" + +REQUIRE_MZ=no +NUM_NETIFS=0 +lib_dir=$(dirname "$0") +source "$lib_dir"/../../../net/forwarding/lib.sh + +source "$lib_dir"/lag_lib.sh + + +destroy() +{ + local ifnames=(dummy1 dummy2 bond1 mv0) + local ifname + + for ifname in "${ifnames[@]}"; do + ip link del "$ifname" &>/dev/null + done +} + +cleanup() +{ + pre_cleanup + + destroy +} + + +# bond driver control paths vary between modes that have a primary slave +# (bond_uses_primary()) and others. Test both kinds of modes. + +bond_cleanup_mode1() +{ + RET=0 + + test_LAG_cleanup "bonding" "active-backup" +} + +bond_cleanup_mode4() { + RET=0 + + test_LAG_cleanup "bonding" "802.3ad" +} + +bond_listen_lacpdu_multicast() +{ + # Initial state of bond device, up | down + local init_state=$1 + local lacpdu_mc="01:80:c2:00:00:02" + + ip link add dummy1 type dummy + ip link add bond1 "$init_state" type bond mode 802.3ad + ip link set dev dummy1 master bond1 + if [ "$init_state" = "down" ]; then + ip link set dev bond1 up + fi + + grep_bridge_fdb "$lacpdu_mc" bridge fdb show brport dummy1 >/dev/null + check_err $? "LACPDU multicast address not present on slave (1)" + + ip link set dev bond1 down + + not grep_bridge_fdb "$lacpdu_mc" bridge fdb show brport dummy1 >/dev/null + check_err $? "LACPDU multicast address still present on slave" + + ip link set dev bond1 up + + grep_bridge_fdb "$lacpdu_mc" bridge fdb show brport dummy1 >/dev/null + check_err $? "LACPDU multicast address not present on slave (2)" + + cleanup + + log_test "bonding LACPDU multicast address to slave (from bond $init_state)" +} + +# The LACPDU mc addr is added by different paths depending on the initial state +# of the bond when enslaving a device. Test both cases. + +bond_listen_lacpdu_multicast_case_down() +{ + RET=0 + + bond_listen_lacpdu_multicast "down" +} + +bond_listen_lacpdu_multicast_case_up() +{ + RET=0 + + bond_listen_lacpdu_multicast "up" +} + + +trap cleanup EXIT + +tests_run + +exit "$EXIT_STATUS" diff --git a/tools/testing/selftests/drivers/net/bonding/lag_lib.sh b/tools/testing/selftests/drivers/net/bonding/lag_lib.sh new file mode 100644 index 000000000000..16c7fb858ac1 --- /dev/null +++ b/tools/testing/selftests/drivers/net/bonding/lag_lib.sh @@ -0,0 +1,61 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Test that a link aggregation device (bonding, team) removes the hardware +# addresses that it adds on its underlying devices. +test_LAG_cleanup() +{ + local driver=$1 + local mode=$2 + local ucaddr="02:00:00:12:34:56" + local addr6="fe80::78:9abc/64" + local mcaddr="33:33:ff:78:9a:bc" + local name + + ip link add dummy1 type dummy + ip link add dummy2 type dummy + if [ "$driver" = "bonding" ]; then + name="bond1" + ip link add "$name" up type bond mode "$mode" + ip link set dev dummy1 master "$name" + ip link set dev dummy2 master "$name" + elif [ "$driver" = "team" ]; then + name="team0" + teamd -d -c ' + { + "device": "'"$name"'", + "runner": { + "name": "'"$mode"'" + }, + "ports": { + "dummy1": + {}, + "dummy2": + {} + } + } + ' + ip link set dev "$name" up + else + check_err 1 + log_test test_LAG_cleanup ": unknown driver \"$driver\"" + return + fi + + # Used to test dev->uc handling + ip link add mv0 link "$name" up address "$ucaddr" type macvlan + # Used to test dev->mc handling + ip address add "$addr6" dev "$name" + ip link set dev "$name" down + ip link del "$name" + + not grep_bridge_fdb "$ucaddr" bridge fdb show >/dev/null + check_err $? "macvlan unicast address still present on a slave" + + not grep_bridge_fdb "$mcaddr" bridge fdb show >/dev/null + check_err $? "IPv6 solicited-node multicast mac address still present on a slave" + + cleanup + + log_test "$driver cleanup mode $mode" +} diff --git a/tools/testing/selftests/drivers/net/team/Makefile b/tools/testing/selftests/drivers/net/team/Makefile new file mode 100644 index 000000000000..642d8df1c137 --- /dev/null +++ b/tools/testing/selftests/drivers/net/team/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# Makefile for net selftests + +TEST_PROGS := dev_addr_lists.sh + +include ../../../lib.mk diff --git a/tools/testing/selftests/drivers/net/team/config b/tools/testing/selftests/drivers/net/team/config new file mode 100644 index 000000000000..265b6882cc21 --- /dev/null +++ b/tools/testing/selftests/drivers/net/team/config @@ -0,0 +1,3 @@ +CONFIG_NET_TEAM=y +CONFIG_NET_TEAM_MODE_LOADBALANCE=y +CONFIG_MACVLAN=y diff --git a/tools/testing/selftests/drivers/net/team/dev_addr_lists.sh b/tools/testing/selftests/drivers/net/team/dev_addr_lists.sh new file mode 100755 index 000000000000..debda7262956 --- /dev/null +++ b/tools/testing/selftests/drivers/net/team/dev_addr_lists.sh @@ -0,0 +1,51 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test team device handling of addr lists (dev->uc, mc) +# + +ALL_TESTS=" + team_cleanup +" + +REQUIRE_MZ=no +NUM_NETIFS=0 +lib_dir=$(dirname "$0") +source "$lib_dir"/../../../net/forwarding/lib.sh + +source "$lib_dir"/../bonding/lag_lib.sh + + +destroy() +{ + local ifnames=(dummy0 dummy1 team0 mv0) + local ifname + + for ifname in "${ifnames[@]}"; do + ip link del "$ifname" &>/dev/null + done +} + +cleanup() +{ + pre_cleanup + + destroy +} + + +team_cleanup() +{ + RET=0 + + test_LAG_cleanup "team" "lacp" +} + + +require_command teamd + +trap cleanup EXIT + +tests_run + +exit "$EXIT_STATUS"