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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , CC: , Shuah Khan , "Benjamin Poirier" , Hangbin Liu , "Vladimir Oltean" , Ido Schimmel , "Przemek Kitszel" , Petr Machata , Willem de Bruijn , Subject: [PATCH net-next v2 09/10] selftests: mlxsw: qos_max_descriptors: Use defer for test cleanup Date: Thu, 17 Oct 2024 11:45:51 +0200 Message-ID: <0386ddc48de2fb35608e4976262856a33d63c681.1729157566.git.petrm@nvidia.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002636D:EE_|BL1PR12MB5706:EE_ X-MS-Office365-Filtering-Correlation-Id: a3041ac4-83d2-4641-bd6e-08dcee90c936 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|7416014|36860700013|376014|82310400026; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge1.nvidia.com; CAT:NONE; SFS:(13230040)(1800799024)(7416014)(36860700013)(376014)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2024 09:47:59.6870 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a3041ac4-83d2-4641-bd6e-08dcee90c936 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF0002636D.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5706 Use the defer framework to schedule cleanups as soon as the command is executed. Signed-off-by: Petr Machata --- .../drivers/net/mlxsw/qos_max_descriptors.sh | 118 ++++++------------ 1 file changed, 41 insertions(+), 77 deletions(-) diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh index 5ac4f795e333..2b5d2c2751d5 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/qos_max_descriptors.sh @@ -69,127 +69,103 @@ mlxsw_only_on_spectrum 2+ || exit h1_create() { simple_if_init $h1 + defer simple_if_fini $h1 vlan_create $h1 111 v$h1 192.0.2.33/28 + defer vlan_destroy $h1 111 ip link set dev $h1.111 type vlan egress-qos-map 0:1 } -h1_destroy() -{ - vlan_destroy $h1 111 - - simple_if_fini $h1 -} - h2_create() { simple_if_init $h2 + defer simple_if_fini $h2 vlan_create $h2 111 v$h2 192.0.2.34/28 -} - -h2_destroy() -{ - vlan_destroy $h2 111 - - simple_if_fini $h2 + defer vlan_destroy $h2 111 } switch_create() { # pools # ----- + # devlink_pool_size_thtype_restore needs to be done first so that we can + # reset the various limits to values that are only valid for the + # original static / dynamic setting. devlink_pool_size_thtype_save 1 - devlink_pool_size_thtype_save 6 - - devlink_port_pool_th_save $swp1 1 - devlink_port_pool_th_save $swp2 6 - - devlink_tc_bind_pool_th_save $swp1 1 ingress - devlink_tc_bind_pool_th_save $swp2 1 egress - devlink_pool_size_thtype_set 1 dynamic $MAX_POOL_SIZE + defer_prio devlink_pool_size_thtype_restore 1 + + devlink_pool_size_thtype_save 6 devlink_pool_size_thtype_set 6 static $MAX_POOL_SIZE + defer_prio devlink_pool_size_thtype_restore 6 # $swp1 # ----- ip link set dev $swp1 up + defer ip link set dev $swp1 down + vlan_create $swp1 111 + defer vlan_destroy $swp1 111 ip link set dev $swp1.111 type vlan ingress-qos-map 0:0 1:1 + devlink_port_pool_th_save $swp1 1 devlink_port_pool_th_set $swp1 1 16 + defer devlink_tc_bind_pool_th_restore $swp1 1 ingress + + devlink_tc_bind_pool_th_save $swp1 1 ingress devlink_tc_bind_pool_th_set $swp1 1 ingress 1 16 + defer devlink_port_pool_th_restore $swp1 1 tc qdisc replace dev $swp1 root handle 1: \ ets bands 8 strict 8 priomap 7 6 + defer tc qdisc del dev $swp1 root + dcb buffer set dev $swp1 prio-buffer all:0 1:1 + defer dcb buffer set dev $swp1 prio-buffer all:0 # $swp2 # ----- ip link set dev $swp2 up + defer ip link set dev $swp2 down + vlan_create $swp2 111 + defer vlan_destroy $swp2 111 ip link set dev $swp2.111 type vlan egress-qos-map 0:0 1:1 + devlink_port_pool_th_save $swp2 6 devlink_port_pool_th_set $swp2 6 $MAX_POOL_SIZE + defer devlink_tc_bind_pool_th_restore $swp2 1 egress + + devlink_tc_bind_pool_th_save $swp2 1 egress devlink_tc_bind_pool_th_set $swp2 1 egress 6 $MAX_POOL_SIZE + defer devlink_port_pool_th_restore $swp2 6 tc qdisc replace dev $swp2 root handle 1: tbf rate $SHAPER_RATE \ burst 128K limit 500M + defer tc qdisc del dev $swp2 root + tc qdisc replace dev $swp2 parent 1:1 handle 11: \ ets bands 8 strict 8 priomap 7 6 + defer tc qdisc del dev $swp2 parent 1:1 handle 11: # bridge # ------ ip link add name br1 type bridge vlan_filtering 0 + defer ip link del dev br1 + ip link set dev $swp1.111 master br1 + defer ip link set dev $swp1.111 nomaster + ip link set dev br1 up + defer ip link set dev br1 down ip link set dev $swp2.111 master br1 -} - -switch_destroy() -{ - # Do this first so that we can reset the limits to values that are only - # valid for the original static / dynamic setting. - devlink_pool_size_thtype_restore 6 - devlink_pool_size_thtype_restore 1 - - # bridge - # ------ - - ip link set dev $swp2.111 nomaster - - ip link set dev br1 down - ip link set dev $swp1.111 nomaster - ip link del dev br1 - - # $swp2 - # ----- - - tc qdisc del dev $swp2 parent 1:1 handle 11: - tc qdisc del dev $swp2 root - - devlink_tc_bind_pool_th_restore $swp2 1 egress - devlink_port_pool_th_restore $swp2 6 - - vlan_destroy $swp2 111 - ip link set dev $swp2 down - - # $swp1 - # ----- - - dcb buffer set dev $swp1 prio-buffer all:0 - tc qdisc del dev $swp1 root - - devlink_tc_bind_pool_th_restore $swp1 1 ingress - devlink_port_pool_th_restore $swp1 1 - - vlan_destroy $swp1 111 - ip link set dev $swp1 down + defer ip link set dev $swp2.111 nomaster } setup_prepare() @@ -203,23 +179,13 @@ setup_prepare() h2mac=$(mac_get $h2) vrf_prepare + defer vrf_cleanup h1_create h2_create switch_create } -cleanup() -{ - pre_cleanup - - switch_destroy - h2_destroy - h1_destroy - - vrf_cleanup -} - ping_ipv4() { ping_test $h1 192.0.2.34 " h1->h2" @@ -251,6 +217,7 @@ max_descriptors() log_info "Send many small packets, packet size = $pktsize bytes" start_traffic_pktsize $pktsize $h1.111 192.0.2.33 192.0.2.34 $h2mac + defer stop_traffic $! # Sleep to wait for congestion. sleep 5 @@ -268,9 +235,6 @@ max_descriptors() check_err $(bc <<< "$perc_used < $exp_perc_used") \ "Expected > $exp_perc_used% of descriptors, handle $perc_used%" - stop_traffic - sleep 1 - log_test "Maximum descriptors usage. The percentage used is $perc_used%" }