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Miller" Cc: netdev@vger.kernel.org, kuba@kernel.org, Eli Cohen , Oz Shlomo , Saeed Mahameed Subject: [net-next 14/14] net/mlx5: Avoid forwarding to other eswitch uplink Date: Tue, 17 Mar 2020 19:47:22 -0700 Message-Id: <20200318024722.26580-15-saeedm@mellanox.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200318024722.26580-1-saeedm@mellanox.com> References: <20200318024722.26580-1-saeedm@mellanox.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: BY5PR13CA0027.namprd13.prod.outlook.com (2603:10b6:a03:180::40) To VI1PR05MB5102.eurprd05.prod.outlook.com (2603:10a6:803:5e::23) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from smtp.office365.com (73.15.39.150) by BY5PR13CA0027.namprd13.prod.outlook.com (2603:10b6:a03:180::40) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2835.12 via Frontend Transport; Wed, 18 Mar 2020 02:48:28 +0000 X-Mailer: git-send-email 2.24.1 X-Originating-IP: [73.15.39.150] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: dff40725-bfb7-49ce-09f8-08d7cae6d70f X-MS-TrafficTypeDiagnostic: VI1PR05MB4109:|VI1PR05MB4109: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1169; X-Forefront-PRVS: 03468CBA43 X-Forefront-Antispam-Report: SFV:NSPM;SFS:(10009020)(4636009)(366004)(396003)(346002)(39860400002)(376002)(136003)(199004)(956004)(478600001)(2616005)(6486002)(2906002)(54906003)(5660300002)(52116002)(86362001)(81156014)(6506007)(81166006)(4326008)(107886003)(8676002)(8936002)(26005)(66946007)(186003)(16526019)(4744005)(1076003)(6512007)(66556008)(6666004)(66476007)(36756003)(316002)(6916009)(54420400002);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR05MB4109;H:VI1PR05MB5102.eurprd05.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1; Received-SPF: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData: FB0OVEBl1PjY0pYjeukFeWoP9ReQ8fT7Ii5Ovzj20mCO6QSqugVOuhAsjU9wa88N0SHfH7bNX90WBA1b9wpIzXVKBEcmuXVIhfyC74DnaGK3CoGIIb4mG6U6XNBhRfaaAQutfMqosB+WyjY/9Lguig== X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: dff40725-bfb7-49ce-09f8-08d7cae6d70f X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Mar 2020 02:48:30.0677 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: YvS+t2DxrYSPKAsxnO5STaQvH37yNHjgpVdMSjKj08YbEgpsujGa7fhG+/KnqwyOMgrB4aJEh7u8KBwnlAs/vQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR05MB4109 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Eli Cohen Do not allow forwarding of encapsulated traffic received from one eswtich's uplink to another eswtich's uplink. Signed-off-by: Eli Cohen Reviewed-by: Oz Shlomo Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c index 608d0e07c308..b45c3f46570b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c @@ -66,6 +66,9 @@ static int get_route_and_out_devs(struct mlx5e_priv *priv, mlx5e_is_uplink_rep(netdev_priv(*out_dev)))) return -EOPNOTSUPP; + if (mlx5e_eswitch_uplink_rep(priv->netdev) && *out_dev != priv->netdev) + return -EOPNOTSUPP; + return 0; } -- 2.24.1