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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 03/16] selftests: forwarding: skbedit_priority: Disable IPv6 autogen on a bridge Date: Tue, 20 Jun 2023 15:55:49 +0200 Message-ID: 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: BN8NAM11FT090:EE_|CH2PR12MB5514:EE_ X-MS-Office365-Filtering-Correlation-Id: a4b31586-8979-4898-d067-08db719633eb 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:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230028)(4636009)(346002)(396003)(136003)(376002)(39860400002)(451199021)(46966006)(36840700001)(40470700004)(5660300002)(8676002)(8936002)(82310400005)(70206006)(70586007)(4326008)(316002)(41300700001)(40480700001)(86362001)(40460700003)(2906002)(36756003)(7696005)(6666004)(336012)(426003)(16526019)(186003)(26005)(2616005)(107886003)(356005)(36860700001)(7636003)(83380400001)(478600001)(54906003)(110136005)(82740400003)(47076005)(66574015);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jun 2023 13:56:53.1151 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a4b31586-8979-4898-d067-08db719633eb 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: BN8NAM11FT090.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB5514 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 operation of pedit on IPv4 and IPv6 dsfield and its parts. The bridge thus does not need to participate in routing traffic and 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. Since the bridge is only used for L2 forwarding, this change should not hinder usefulness of this selftest for testing SW datapath or HW datapaths in other devices. Signed-off-by: Petr Machata Reviewed-by: Danielle Ratson --- tools/testing/selftests/net/forwarding/pedit_dsfield.sh | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/forwarding/pedit_dsfield.sh b/tools/testing/selftests/net/forwarding/pedit_dsfield.sh index 64fbd211d907..af008fbf2725 100755 --- a/tools/testing/selftests/net/forwarding/pedit_dsfield.sh +++ b/tools/testing/selftests/net/forwarding/pedit_dsfield.sh @@ -60,7 +60,9 @@ h2_destroy() switch_create() { - ip link add name br1 up type bridge vlan_filtering 1 + 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 ip link set dev $swp1 up ip link set dev $swp2 master br1