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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , CC: Petr Machata , Ido Schimmel , Danielle Ratson , Amit Cohen , Shuah Khan , , Subject: [PATCH net-next 10/16] selftests: mlxsw: mirror_gre_scale: Disable IPv6 autogen on a bridge Date: Tue, 20 Jun 2023 15:55:56 +0200 Message-ID: <37694704013f9640c27c3cb7d9296f4bd213473f.1687265905.git.petrm@nvidia.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN8NAM11FT043:EE_|MN0PR12MB6080:EE_ X-MS-Office365-Filtering-Correlation-Id: 4316381b-3a04-4274-beaa-08db7196423e 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:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230028)(4636009)(396003)(39860400002)(376002)(136003)(346002)(451199021)(36840700001)(46966006)(40470700004)(82310400005)(36860700001)(36756003)(40460700003)(70206006)(356005)(5660300002)(8936002)(8676002)(41300700001)(86362001)(4326008)(40480700001)(316002)(82740400003)(70586007)(7636003)(107886003)(426003)(47076005)(66574015)(26005)(186003)(16526019)(2906002)(2616005)(7696005)(478600001)(6666004)(83380400001)(336012)(54906003)(110136005);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jun 2023 13:57:17.1467 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4316381b-3a04-4274-beaa-08db7196423e X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT043.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6080 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org In a future patch, mlxsw will start adding RIFs to uppers of front panel port netdevices, if they have an IP address. At the time that the front panel port is enslaved to the bridge, the bridge MAC address does not have the same prefix as other interfaces in the system. On Nvidia Spectrum-1 machines all the RIFs have to have the same 38-bit MAC address prefix. Since the bridge does not obey this limitation, the RIF cannot be created, and the enslavement attempt is vetoed on the grounds of the configuration not being offloadable. The selftest itself however checks how many mirroring sessions a machine is capable of offloading. The IP address or the RIF are irrelevant. Fix by disabling automatic IPv6 address generation for the HW-offloaded bridge in this selftest, thus exempting it from mlxsw router attention. Signed-off-by: Petr Machata Reviewed-by: Danielle Ratson --- tools/testing/selftests/drivers/net/mlxsw/mirror_gre_scale.sh | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/drivers/net/mlxsw/mirror_gre_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/mirror_gre_scale.sh index e00435753008..e5589e2fca85 100644 --- a/tools/testing/selftests/drivers/net/mlxsw/mirror_gre_scale.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/mirror_gre_scale.sh @@ -165,6 +165,7 @@ mirror_gre_setup_prepare() simple_if_init $h3 ip link add name br1 type bridge vlan_filtering 1 + ip link set dev br1 addrgenmode none ip link set dev br1 up ip link set dev $swp1 master br1