From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 89C87C43327 for ; Thu, 2 Jul 2026 03:26:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:Content-Type: Content-Transfer-Encoding:References:In-Reply-To:Message-Id:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=d4vGB2gg+iH4NN3NJaXhXlCloSOjTmNor2yla4grRrk=; b=hcxjEjbjiZ4vtaNFxUx+b7iwwT ccsiEONO2jXVGOyMWJzw2pLMznjFJx5nUbMuYhh2Rs/YNG10C6GucGK7+zFnjR+pGT7vl2RlY22WV rZPwPA943HAT/2Mde7IHbx+fcCFsrodi+AIjHDHx8EkMrHNqe7VUC+4BIsi/ECg4pg0MoBBoHzO4R ZjC4Nn8M8t1gO4/qcgLyR8QQ5fcmYs6tX0O0akGCPTcqJv+OWgt0wAjq6wKl5EYQkvgOptwhGNgqO vGqRW6UNkz5dP08eV5k6oiLli1CtdLJ2/InNPuevst9A12t+Oxx+NHJSlDpdPN0SWFDRAyOVGMyWD /bbS7c8Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wf84g-00000003UbC-09ac; Thu, 02 Jul 2026 03:26:50 +0000 Received: from mail-westeuropeazon11010008.outbound.protection.outlook.com ([52.101.69.8] helo=AM0PR83CU005.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wf84e-00000003UYf-0G2b for linux-arm-kernel@lists.infradead.org; Thu, 02 Jul 2026 03:26:49 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=cOD9lLkiJy2NGgPjaWr5u5CTHj09A6gwYTSMvQYiVgGCLIze8QdRPcB4I1YfL4GS4fRBr4+djNo8Po30sm1PRhdsoqXbzWiqHfac0TiYT9CrYV4isKKUM6bQFpTWPtUTjLQNLFBrW6CyD9Hr3bkzJczGTXLyY6drqDJfzhzt9JvdhXEzCWZQfp7Uuw6S66oKtR6jZO3NE6bpZ5Q46IusxdMZyZQJFLocIlPSeo1oNxnD6ObPKHuFW2/HwkUT4nWozU8DvmaMcLNBQkjRLHZc05cWRJ1EoK6TfbyiAlVtAeq8AfYU+roWtyeZVdLGO4j5F35qQICKxNvQBH5fO6dl8w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=d4vGB2gg+iH4NN3NJaXhXlCloSOjTmNor2yla4grRrk=; b=Znv9pxZZLe2sbbobcI3Qt4U5XFxVGvz6vOiDb0TTsIGpmGjpfOhiIa0sMXxBQI+6DvJgi16ELcu3nobuJsZEARP3YH0kIs0AQ2Lt1TsizwQO3Rdpc7anodsGdLeqBBT0Kwa1wcf0hgGfmk7WwtjekwRPmI7Eb3e6XG57Ajdj4/YXArrOm1EBHEFtt+jYMTrJ4CoC746JvZ9h9BORvYAnOU/Ub8rSW4AVqS+tZdtqBIYNUYIeG92sJVydLp6Dzsihkpsl8o7td8BNZT/Aq2sNDhbcKj6Rh3j+NJzWHzxowlz1Uw9ASCTEZHptWuc+csbMq9kJeUrgSFWwTAPf2osXCQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector1-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=d4vGB2gg+iH4NN3NJaXhXlCloSOjTmNor2yla4grRrk=; b=gkD51p5e5jMNJa5Qcpr77tadAxxkOGWiVj36vWlGjwMPlGzxlUzEZu5epV/EgGRYUwUu1mKyQcHcEekmCuJhkUN+OBEKMJIWsIAyItyWyuusxywuqs6JuDeJJM8mK5QMSC6SECYV3QJGm2BR91H8UTdXOKFKXRoiQZ8bOZL2hfJonfa8jX+2cK52lPjD9cNhCZ2HG5g7V9ZrGmpTTkIbPXdV0c8PJa9lMysNhyK8XOLeCiD4FL6uxfwHexFfJV5qGHqe7iPyHgVnkqKVQbBYLEZpzn0zo5rxFjIpxrfy2cuVpyQ6CX5YFePY5iDsh8jtnvy6EfwIG8jivO/VyXnhnQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from VE1PR04MB7216.eurprd04.prod.outlook.com (2603:10a6:800:1b0::22) by GVXPR04MB10248.eurprd04.prod.outlook.com (2603:10a6:150:1c1::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.181.8; Thu, 2 Jul 2026 03:26:44 +0000 Received: from VE1PR04MB7216.eurprd04.prod.outlook.com ([fe80::a9a5:cf83:dbe8:1f74]) by VE1PR04MB7216.eurprd04.prod.outlook.com ([fe80::a9a5:cf83:dbe8:1f74%3]) with mapi id 15.21.0181.009; Thu, 2 Jul 2026 03:26:44 +0000 From: wei.fang@oss.nxp.com To: claudiu.manoil@nxp.com, vladimir.oltean@nxp.com, xiaoning.wang@nxp.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux@armlinux.org.uk, wei.fang@nxp.com, chleroy@kernel.org Cc: imx@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 net-next 13/14] net: enetc: use alloc_etherdev_mqs() to create netdev for VF driver Date: Thu, 2 Jul 2026 10:57:13 +0800 Message-Id: <20260702025714.456233-14-wei.fang@oss.nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260702025714.456233-1-wei.fang@oss.nxp.com> References: <20260702025714.456233-1-wei.fang@oss.nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MA5P287CA0276.INDP287.PROD.OUTLOOK.COM (2603:1096:a01:1f2::19) To VE1PR04MB7216.eurprd04.prod.outlook.com (2603:10a6:800:1b0::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VE1PR04MB7216:EE_|GVXPR04MB10248:EE_ X-MS-Office365-Filtering-Correlation-Id: 35d05969-ce99-4aae-83f6-08ded7e9bdc3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|19092799006|23010399003|7416014|376014|1800799024|366016|921020|56012099006|11063799006|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VE1PR04MB7216.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(19092799006)(23010399003)(7416014)(376014)(1800799024)(366016)(921020)(56012099006)(11063799006)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?ekO/1BLgctphECUhqTKv7Ky1G5ybH7SVD+llDvS/qlMFYqDAzPJMLK0VAxFN?= =?us-ascii?Q?9NGh/ezpfUXMjUXwgj+eJbf+Y0yowcQA65aBWbqDykx1C97z7DXfoi+Y/x2u?= =?us-ascii?Q?lFhztgAvgOmDmk+Uim0p1HWoa5ELcUTzV6RdBpjWKGlNDkecoTAxb6cgzzgb?= =?us-ascii?Q?BrcIcJL/eeppb/+qPgBIemcog+6tTE/E5M4ShJwOPjK6PmxOkwbflb7kdI6V?= =?us-ascii?Q?N4gOxLvk4bJLWGot9if/c3ShZWELlsas4KIpkjzIDjQQyVy/fcNc60wNEYCu?= =?us-ascii?Q?Qzm50t8hOuQKfSbI0ZZ3eOa32no8wInssnqtKN6FDsBQG7iUMGxmkK+eC3Bu?= =?us-ascii?Q?yw1iIFB1/Cbq041Dl9zWVwjGkQ5bvncNWjLjdhGtwy1qAq6Ba72yS1+Pfqy7?= =?us-ascii?Q?Nyx4bRspF+Ve0eRG/3rdvB6Iz2ymVsjSanjqkKoK24w0bDfQNImWN66r6ss6?= =?us-ascii?Q?dWc52ETZLvLZdb3iAX72mzh6W57HxRZCPcxxJgkn8MAo3D8KBuCBGQv9FweS?= =?us-ascii?Q?Cvydc4Ec0dDzgv/4bk0Jni0084pmTXXQK23zKwh+hmA6Nr1dTy1WiuSP87XO?= =?us-ascii?Q?jlZYEDAhvYmxqe0QxSNzVoHTrooYsuYnwiD4RacuG9/AWn1WYLQx4SJIFbN3?= =?us-ascii?Q?XtnN55RJy3moEJGmHdzDZnqW19QCCL6/si650rTWmw8JPGeHtuRKLmO4jvwc?= =?us-ascii?Q?jzpzu6s5ChiN0bYloWYCPiMJs/Ki7DT+hIZcqctp84PSP0YaDwNvLf+C/Kxs?= =?us-ascii?Q?Nh4NjZINGPd5XD1EZOL6FApSQOYkSALlLoVMaNFU12nA0fb4ZcgXXBbfhluY?= =?us-ascii?Q?vNS+Em3wSvfJkCEv+0l2AkWIeAv03my7SA59eTGYu98A0gJkv69wak4ePDQz?= =?us-ascii?Q?0seHeSxwWoyQttFrTu8xuxBBZnZtspp/lRMc5kyx9MfxoARCOJ6u6RvUO6rm?= =?us-ascii?Q?MQ7kvII8CJBawCigal07YpCVZae7+cJ732CY21FJ+j4XXpMkemPScWA6VcGu?= =?us-ascii?Q?woE99ju1YdOs59rerY884Jwq8LuCLDxK+fKqrDcEdjEnYzvp3iyDcrhgSwVF?= =?us-ascii?Q?RoITP5vAVgiuEccbnobiGL3hv1Zf0GNnz6ypA0nuRLzssd2HpZeKrmqqcu/o?= =?us-ascii?Q?XztOZVzdzKMYoECPfqj9EtChZ4zXGc07RN/D86JLxxG/Cy3srk5IpMrwytzz?= =?us-ascii?Q?7DyE+szNasdkh7HrqcWSPoXno5h0VANodjDUa6snA5WqH/cTYJD1EeSDM5IL?= =?us-ascii?Q?x9a2XCPNM6boTZkfWPTupged/oMc9uH/gehBuxNetplQi+0e8DCL66PTwhzm?= =?us-ascii?Q?nxc0iIBpkw9KBQsOkDQKqy+PdFtUd/dDfooKp3wwxQ31bc0mHa0vEC3XRYCq?= =?us-ascii?Q?oHw2AjWdmdueRnbNyc9xXbeI6nLHTlMD43dUSKgl26g64SAFeVgM0gCGoseA?= =?us-ascii?Q?6sFOp2rrdUA9YDyjXKICDe+3gFFVx6siykSQlbDjc7+2tUh3syZ3v7B5QFEu?= =?us-ascii?Q?mhizK6bzCY/LV2zD1U4gsvTO0xbpiNJrfAbv6YsDLoU8T99GmKLe0lLmax0A?= =?us-ascii?Q?iw+zyFn60ZBlNaUxr6ks0PeBmAM42PFdirsboGulfmhzoMEVS8CqJN6cweuB?= =?us-ascii?Q?KOgsaq2B0Tm9dKCdTHYXYAN1aIC7G6UtU3CSDGpPHcl24q22WFl+yxMLJS4w?= =?us-ascii?Q?YkzwsJVrGOAsVdWk6ePTS8fdPEbZ368/eYdYcoFIQZrThSVrRexKhE+ZhHDB?= =?us-ascii?Q?lAU2VNDJ5ydaoe1+ELqjEJIWQXmDolkoaGucfA8KqRVHIr0ppglG?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 35d05969-ce99-4aae-83f6-08ded7e9bdc3 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB7216.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Jul 2026 03:26:44.7222 (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: e/AqRuf4i9kRTUlICIvhhJZ0aMibM9lXP9AcCxCj8nB07+94KBBsYl5j7AEIod71IXviuuMh6xN30LEj7Lag6SDKT4m6s27kGls90w8H3v6ADUrqQ+cXdyWshQbACn2E X-MS-Exchange-Transport-CrossTenantHeadersStamped: GVXPR04MB10248 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260701_202648_107965_EE9074E8 X-CRM114-Status: GOOD ( 13.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Wei Fang The VF driver uses alloc_etherdev_mq() with ENETC_MAX_NUM_TXQS as the queue count, which forces the TX and RX queue counts to be equal and uses a compile-time constant rather than the actual hardware capability. After enetc_get_si_caps() is called, si->num_tx_rings and si->num_rx_rings reflect the actual number of rings assigned to the VF by the PF. For the ENETC VF on LS1028A and the upcoming i.MX95/94, their SoCs have no more than 6 CPUs, and the number of TX/RX rings allocated to the VF is less than 8. Therefore, switch to alloc_etherdev_mqs() so that the TX and RX queue counts are set independently based on the real hardware values, avoiding unnecessary queue structure allocation when the VF has fewer rings than ENETC_MAX_NUM_TXQS. Note that if future SoCs have more than 6 CPUs and more than 6 RX rings allocated to VFs, the size of the int_vector array in struct enetc_ndev_priv will need to be modified. Similarly, if more than 8 TX rings are allocated to each int_vector, ENETC_MAX_NUM_TXQS will also need to be modified. Signed-off-by: Wei Fang --- drivers/net/ethernet/freescale/enetc/enetc_vf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/enetc/enetc_vf.c b/drivers/net/ethernet/freescale/enetc/enetc_vf.c index 9cdb0a4d6baf..3df515a6e333 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_vf.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_vf.c @@ -317,7 +317,8 @@ static int enetc_vf_probe(struct pci_dev *pdev, enetc_get_si_caps(si); - ndev = alloc_etherdev_mq(sizeof(*priv), ENETC_MAX_NUM_TXQS); + ndev = alloc_etherdev_mqs(sizeof(*priv), si->num_tx_rings, + si->num_rx_rings); if (!ndev) { err = -ENOMEM; dev_err(&pdev->dev, "netdev creation failed\n"); -- 2.34.1