From patchwork Sat Jul 3 11:56:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Oltean X-Patchwork-Id: 12356965 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F3F4C07E97 for ; Sat, 3 Jul 2021 11:58:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4362861926 for ; Sat, 3 Jul 2021 11:58:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230244AbhGCMBI (ORCPT ); Sat, 3 Jul 2021 08:01:08 -0400 Received: from mail-eopbgr20072.outbound.protection.outlook.com ([40.107.2.72]:8275 "EHLO EUR02-VE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230209AbhGCMBD (ORCPT ); Sat, 3 Jul 2021 08:01:03 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=NBFnAbBR5m2AmAz0MN9ofObTOrkFzvTlFdbL8g02MXZhar+soDdOUMY1eEHhHG3CRFxTXnUmAcBZlVLzY9Tf1wXOrEYKR7dfcoDk9XhTHRszzwIa1GKzT9UGFBwfq5y/inPddD0EePBg70+jQlX6O6EFIkP3NpWxTIyFjfzg7MAeeD9ocPL7gafvgX/Bw4FuD4ltDuMEmyZdJ3vnUWK8Wj1wKuSarNtmLgr0Bo/00LfNIj7+hOgtCpmOIakv2cukUZneB0gT0uE/7J+8BVWUY1FCEHJT5CZJH0ZUrrpg8SVcWv60rICxCDuhme4i9oMCCGFruL/ciz3OfdJMMuek3A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=/8ARGCbzXYmxoVhI/W45fy7wsub+EkJDR8//ZmjXIV0=; b=XM4w9UjhvbXRwMvuZQlQSBLfChaquFWZMuvMk/Jr/MK47bPTYIT6NWD1twJv3XZz5ukJdEwjI/38z3l+LBAUkxEdMBsjyhjFrB9idP+WixBSXi2X1di5mhz/kysfhuSdMCfOONdTOR17R/JxBVcovLHKRf2Kt5X0V3rZ/ji1Y6zsNlRL6SM2jPQp7qRWvWezG8HPF3vjcIUUIVAWizVtSgaudXKchTwJYOtIps3FVUXJhDG71S0nOabatEVDzzNbOc2G63H3aOp3lqo7hGa7cNfB/M2ZIL83h0JWt8VXmVtLCuw60bVBcwoSoJ9Z2WP5tKaxGvTlZRTWmC/RlxUTvQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=/8ARGCbzXYmxoVhI/W45fy7wsub+EkJDR8//ZmjXIV0=; b=UdldaYw4PcFuEjx+U3FA+s70+P9JWLeP7uPnZYH/3YA8Kfxiq4vdgSWVbDvpIApj+WYejlfqc1G9kEOj9NU6RrFUL8wuFl+0xtn1TOUQyo+05vOYnbA4vWUM5bQhTTwbn6QsYxsDY74SZ6I0WWz6IhPwmFl6e77CfcxD04IY+bk= Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none;vger.kernel.org; dmarc=none action=none header.from=nxp.com; Received: from VI1PR04MB5136.eurprd04.prod.outlook.com (2603:10a6:803:55::19) by VI1PR0401MB2509.eurprd04.prod.outlook.com (2603:10a6:800:56::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4287.22; Sat, 3 Jul 2021 11:58:27 +0000 Received: from VI1PR04MB5136.eurprd04.prod.outlook.com ([fe80::b1a0:d654:a578:53ab]) by VI1PR04MB5136.eurprd04.prod.outlook.com ([fe80::b1a0:d654:a578:53ab%7]) with mapi id 15.20.4287.031; Sat, 3 Jul 2021 11:58:27 +0000 From: Vladimir Oltean To: netdev@vger.kernel.org, Jakub Kicinski , "David S. Miller" Cc: Andrew Lunn , Florian Fainelli , Vivien Didelot , Jiri Pirko , Ido Schimmel , Tobias Waldekranz , Roopa Prabhu , Nikolay Aleksandrov , Stephen Hemminger , bridge@lists.linux-foundation.org, Alexander Duyck Subject: [RFC PATCH v2 net-next 01/10] net: dfwd: constrain existing users to macvlan subordinates Date: Sat, 3 Jul 2021 14:56:56 +0300 Message-Id: <20210703115705.1034112-2-vladimir.oltean@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210703115705.1034112-1-vladimir.oltean@nxp.com> References: <20210703115705.1034112-1-vladimir.oltean@nxp.com> X-Originating-IP: [188.26.224.68] X-ClientProxiedBy: PR3P189CA0081.EURP189.PROD.OUTLOOK.COM (2603:10a6:102:b4::26) To VI1PR04MB5136.eurprd04.prod.outlook.com (2603:10a6:803:55::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (188.26.224.68) by PR3P189CA0081.EURP189.PROD.OUTLOOK.COM (2603:10a6:102:b4::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4287.23 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 008a85f0-f965-4ed1-b8fe-08d93e19de40 X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB5136.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Jul 2021 11:58:27.7531 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 5hkSIc9L6k+wKEYSFrVtaGkMl3IuCTEY2DO9/tZEyTi95MieXHhLweetRjM6756n9UO5I6oLLHzym4Lv2pAJWQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0401MB2509 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC From: Tobias Waldekranz The dfwd_add/del_station NDOs are currently only used by the macvlan subsystem to request L2 forwarding offload from lower devices. In order add support for other types of devices (like bridges), we constrain the current users to make sure that the subordinate requesting the offload is in fact a macvlan. Signed-off-by: Tobias Waldekranz Signed-off-by: Vladimir Oltean --- drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 3 +++ drivers/net/ethernet/intel/i40e/i40e_main.c | 3 +++ drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 3 +++ 3 files changed, 9 insertions(+) diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c index 2fb52bd6fc0e..4dba6e6a282d 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c @@ -1352,6 +1352,9 @@ static void *fm10k_dfwd_add_station(struct net_device *dev, int size, i; u16 vid, glort; + if (!netif_is_macvlan(sdev)) + return ERR_PTR(-EOPNOTSUPP); + /* The hardware supported by fm10k only filters on the destination MAC * address. In order to avoid issues we only support offloading modes * where the hardware can actually provide the functionality. diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 861e59a350bd..812ad241a049 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -7629,6 +7629,9 @@ static void *i40e_fwd_add(struct net_device *netdev, struct net_device *vdev) struct i40e_fwd_adapter *fwd; int avail_macvlan, ret; + if (!netif_is_macvlan(vdev)) + return ERR_PTR(-EOPNOTSUPP); + if ((pf->flags & I40E_FLAG_DCB_ENABLED)) { netdev_info(netdev, "Macvlans are not supported when DCB is enabled\n"); return ERR_PTR(-EINVAL); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index ffff69efd78a..1ecdb7dc9534 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -9938,6 +9938,9 @@ static void *ixgbe_fwd_add(struct net_device *pdev, struct net_device *vdev) int tcs = adapter->hw_tcs ? : 1; int pool, err; + if (!netif_is_macvlan(vdev)) + return ERR_PTR(-EOPNOTSUPP); + if (adapter->xdp_prog) { e_warn(probe, "L2FW offload is not supported with XDP\n"); return ERR_PTR(-EINVAL);