From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E5DF617B4E2; Thu, 22 Aug 2024 11:46:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.10 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724327183; cv=fail; b=HojXF6+QaGnTMFa97AmgErr38wO2Xurwc4l4cyVa4J59d+KGXWAX4jSnVWr2tMwjHLskO4qW0EkYUJvKhy9zXgIpot1zRI0awYXbb/cdIiUNl1g8weKUSpKoG2Xskl0IV/6A34byHJ8Nznd1D/z8C+9xB5TJ3EUo0Uf1h7bWTl0= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724327183; c=relaxed/simple; bh=VbNTQYbotE4ncRGuJBAlQEXc5LVG/I45zHLkImudotM=; h=Date:From:To:CC:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=YeWM8acLw0uO5b2x6r1Jh1DLGc6rw4X3XUjp5YUQjnFb+qFMoY/VvTfb4CT41U6bUoN/k7wQxEW1gqYagwGjuKPQw+i/i51gxKzwmIHKPLF9VejUlfOl/m4GAj4I99q+aPQrMOShn8IS6q7OEGgMa61G9sByBVzqL6+RzZlOLzY= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=QSvsyiib; arc=fail smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="QSvsyiib" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724327182; x=1755863182; h=date:from:to:cc:subject:message-id:references: in-reply-to:mime-version; bh=VbNTQYbotE4ncRGuJBAlQEXc5LVG/I45zHLkImudotM=; b=QSvsyiibMGcN+Nx9kHnn4/DIM41UD0HjWEiSpK2PGgml6Hs/5oYlVBsl eE5GWQMG9i6zDp8oKX/kI3whBfdPSheHzBQK91rpRurYScW9maABv867k umq0vlxWwQTbi/dZSXwoq9wxP2xwlIWyTjoJXj9EO8PONX0OKLyW2OxQj n/LzXxNCHfNjoZdUZESqphYop+BjZu5xExpUm6c+Veje/9yS47PBqUBTV a6PPJnZO2GyVZku34XEdh1pf2aS0CkcbuHE+ilOZVt/vRVlUVlgNay9JV oLOGvYLaLDzzFpxq9BY2yaZAvlzy+Wg31ZdHIrYJWSCHVem8qTcIx6Y0Z A==; X-CSE-ConnectionGUID: LCKyKTirTamQyqRBPuVeDQ== X-CSE-MsgGUID: uG0qpMJuRmiinOGrlWyjqw== X-IronPort-AV: E=McAfee;i="6700,10204,11171"; a="40197709" X-IronPort-AV: E=Sophos;i="6.10,166,1719903600"; d="scan'208";a="40197709" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Aug 2024 04:46:21 -0700 X-CSE-ConnectionGUID: +jW7Q3tbRYCb7SWtcwMJvg== X-CSE-MsgGUID: fIUURYP4ToiJqhw9OYC0Pw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,166,1719903600"; d="scan'208";a="61129643" Received: from orsmsx603.amr.corp.intel.com ([10.22.229.16]) by fmviesa007.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 22 Aug 2024 04:46:21 -0700 Received: from orsmsx610.amr.corp.intel.com (10.22.229.23) by ORSMSX603.amr.corp.intel.com (10.22.229.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Thu, 22 Aug 2024 04:46:19 -0700 Received: from ORSEDG601.ED.cps.intel.com (10.7.248.6) by orsmsx610.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39 via Frontend Transport; Thu, 22 Aug 2024 04:46:19 -0700 Received: from NAM10-BN7-obe.outbound.protection.outlook.com (104.47.70.47) by edgegateway.intel.com (134.134.137.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Thu, 22 Aug 2024 04:46:19 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=W6D4QsfqD9IXh1iAhOMWGDeMzolNceoQ555NSOqv2R+3WKNxq2RL6/XtMswgt4DCkF8KDsIAh/LJHzHqDHx1ckS7rzWk7Z6ARf8gsSriLmpZnCj/+ycGDnb9WYGx/liA5Tqsnv+b84XzrfJD74G3idaK7OSMO78aZHF7RhzPakEFPAoohrLJR3v8rTEywiRcTE7MnfjcgZr3shbEkA8yHgHR9GIv0HD5qlQZ4tn73bo3qUzYXzRrGoE4tRIOrineZoETKvPXNI8s0MTQOX8HbvqSeBkNcq9O7fpIho8bg+zs4l81FwWAh1C0mcKbE+e7IAqyRl6N1T3le1MqmMCEkA== 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=crwS4G3DQx4xaqhf+YGO+7AzkSh67+VDqNI7FY7GYiM=; b=QpWw190Exev/rDFcfqHTFYeZoPo9qeXkA8KxMiHYzmCagx0U8YcNdhsv3ck2OOz5LI5fDGLbsWehUGI+McZvy7FUIKSiChcGeCs9puSE55hM/RY/53SwDkHBBqgzAtSisthlpPthBdMaxE2nMH9TaUR9sEYkc/J0RE9XZp3t2W1Uvc79YdQfxpOAeYsP6nrFxRmI2orB80Lye2qpY89kAsGddsiMa8M93lo1I2kYbXaR744GUDKsvmGcS1EiL3xq2BA7Fcs3BWS6VVZizxvw+m9MDpjCjYGXrvi1ojGd1pPiVbVUV2LKIESqq8n273B3JdhT4/DbbIMAHGBpQLtr3A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from DM4PR11MB6117.namprd11.prod.outlook.com (2603:10b6:8:b3::19) by DM4PR11MB6120.namprd11.prod.outlook.com (2603:10b6:8:af::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7897.16; Thu, 22 Aug 2024 11:46:17 +0000 Received: from DM4PR11MB6117.namprd11.prod.outlook.com ([fe80::d19:56fe:5841:77ca]) by DM4PR11MB6117.namprd11.prod.outlook.com ([fe80::d19:56fe:5841:77ca%4]) with mapi id 15.20.7897.014; Thu, 22 Aug 2024 11:46:17 +0000 Date: Thu, 22 Aug 2024 13:46:05 +0200 From: Maciej Fijalkowski To: Kurt Kanzenbach CC: Tony Nguyen , Przemek Kitszel , "David S. Miller" , "Eric Dumazet" , Jakub Kicinski , Paolo Abeni , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , "John Fastabend" , Sven Auhagen , Sriram Yagnaraman , Benjamin Steinke , Sebastian Andrzej Siewior , , , , Sriram Yagnaraman Subject: Re: [PATCH iwl-net] igb: Always call igb_xdp_ring_update_tail() under Tx lock Message-ID: References: <20240822-igb_xdp_tx_lock-v1-1-718aecc753da@linutronix.de> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20240822-igb_xdp_tx_lock-v1-1-718aecc753da@linutronix.de> X-ClientProxiedBy: ZR2P278CA0047.CHEP278.PROD.OUTLOOK.COM (2603:10a6:910:53::12) To IA1PR11MB6097.namprd11.prod.outlook.com (2603:10b6:208:3d7::17) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM4PR11MB6117:EE_|DM4PR11MB6120:EE_ X-MS-Office365-Filtering-Correlation-Id: b68b0f5a-ccff-426c-7f1a-08dcc2a00822 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7416014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?RwkSCk8Yh0OowUGc7qCNaOTmJgzVqxGk3GPUKhiC3tUnwei9x90jut1P+N6p?= =?us-ascii?Q?VJ7+lKMIrQXZRJM7TFC14+5rruoZ76PIPkrl8em1q4yIr0e1eutdQntET8hF?= =?us-ascii?Q?X6EsnT4nd2kn4+q+nBMvjOYlpQB/sUuqIsD8N1OlkNySh/Xlre5s/Pqs+sEX?= =?us-ascii?Q?7qX/HJQABkAgHcSSznesURItTomlL66tbl7cnd4iYs79ENp7fy1ZWjegyq8i?= =?us-ascii?Q?1FaItqlf+xQ5sFrnLYa+ohGsCO9Ve8kjNGFDnSNm0/OEYLswX3NInb0z3PPw?= =?us-ascii?Q?AgNiSmJN2ksfDZxlN2ooaTpkVpal2afrQNLdVeBMqfIKZtGRLws5UAzye4H9?= =?us-ascii?Q?uWOdXMOmDFp3q56L2k3RBZtWWbrKZ4nuzEwwzi0HUVR/kFfmnuzHZjS4iDAA?= =?us-ascii?Q?wW0GtL8rmW1ooRoNlAcaZPzN+18ukI7Rxsubo5Gl5d0RO7ODwTA9vWeIgd/f?= =?us-ascii?Q?6PTYQiRGBFil2Vt1BiXwek3OwvT4We09rVxIWlGeSqu53FWNfeClSPeSefCd?= =?us-ascii?Q?53VcKvkWPBSl9qnF0rhD9amf4THEAdi9ms0bp4dado53EE8zyqBF+z3xLufs?= =?us-ascii?Q?HW8NOjYOGfdm0LuK8tM5tvQwQdwqajtgqBL40bOZs0r7a+wMUfD8GUqCmyc2?= =?us-ascii?Q?KxP0lBo/6gD9Vyyk3V1RFErw0btEUdzentFZHDfodNvweSruiGrf078KQ3yD?= =?us-ascii?Q?vuWvTKNx0BWZOzpCzi5RzAT0lTXbeucGh/HQHFjyvSNosYfvtb3BX9R95WKO?= =?us-ascii?Q?zM/dcwXZOvB/BAMcVrdLk7UkR4Zu4tiWrZwm0LjAGeZvHEPajA5EvMo+SyRm?= =?us-ascii?Q?NNtEjDrABTGgU9RVCYI3hnqEbNSJ6BQRz4UOQFUrr1nIOT5ka2BDfCtHbFtv?= =?us-ascii?Q?6Be8Zmbw2bgjTOQ6NqbFWkk51aidP2eWWiYV/K2nL42AajJR8HSfMaCo3eZ1?= =?us-ascii?Q?+ipccrQHEWuRqHVSFnniyP/HzZydyVeygBUXwZSRUaclobLkdHS/A72/xVn2?= =?us-ascii?Q?3aiTT5IwB5VXAVgWA3JOwqm203XKrq8Pp2quBq1rFN3OBcSyzUQa88Qf5UFX?= =?us-ascii?Q?JXuQ8mI5hARlglm6tRy+qM43UEmdVRsYuIiF1QfYEe2jxO5Ku8C00NFFQTwP?= =?us-ascii?Q?0gcfpF4rtGNRr6kaxBdBwQLDHWnEwSWZzk3C+jC3bfqIRLORCOP8mUzS4l7E?= =?us-ascii?Q?3gWRJHcnvTvYThrS4FwNtkDO/zgucLZ2pJGfg7yWDf9TEUmXq5P7s+cP+Nkg?= =?us-ascii?Q?JE3VBUJlkw9w0yy/4/gckTI4d6jnYREbnjYPmFMPKJ4Hs/Gb1CnhaWkbgBGZ?= =?us-ascii?Q?YCxYf3B+BNHVilnShTa5Led5Uq6eux94THt81D3YN2eJew=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM4PR11MB6117.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7416014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?RN79u+ineQyT3jWb5XAICUGJE2zRdooUk62zRlEzT+IgWit/3eFLUjrksy9K?= =?us-ascii?Q?NgIoIlGXGJcg4URko30VzK5l97wqTe3kMYVIlTAQn1RloPz6Xv6fCbkHgiE+?= =?us-ascii?Q?xxfeDTXzyjBu/pqzQCv/zNlu+8GRMYQOWomK3vsVhrdfSnwuV9AdWSUdGOfz?= =?us-ascii?Q?rWvYMrVsuJ/FQgq42qkK1gN/5NXiC9EPxuXUAsXP9TtlsJBWGUBsJI0WsGJ2?= =?us-ascii?Q?PTanVbd3P92EI+IwtRdAiDPP/uQhqa7DynGb3krFLmJ5CcTa9yuu/mFUm7/C?= =?us-ascii?Q?n/38W0+n1d/dSoiPmWDqu09R6PWZIJstF8ylQ2FU2zITuZPaoe54G3lGgVi2?= =?us-ascii?Q?Gav9s1IoAukETDlz0s15X+EWZ8cNMCd1HyroT6Zl9KZlgKwnxhKplC2Hkb8m?= =?us-ascii?Q?H2JJgn4SX3MSSBWTkLfIUPEAHdEj6Xw85mL3DCHiXjSnzDEeam4Jtm1haMbh?= =?us-ascii?Q?fFqgc9QWwT3Eg44UOqqZJfxSSdcCuB57AuLwk+7uelZF7uPm4sJcsgKHC08t?= =?us-ascii?Q?SmNfStKkyj9m62HciijhjTGk4S9j8Gw4Ktt3gQzfVjOm5zdtNIWXq5r5wI4k?= =?us-ascii?Q?twyj5xjZabNfbbwLymFMmjtp8JpAmeqMhC+1lmifM991b35U/47xuSxCfnfg?= =?us-ascii?Q?0QYc+zljTlNfjpYowPvF3uSDURwe1PsN0nM915MPc+cDcADiHePe5o9Pm7fq?= =?us-ascii?Q?0KzKk/VGPOw4Ir1CnYgnyrCFTwQ9Wl7R7THt1F8MDm6ecsQIs9AbDwyz13tv?= =?us-ascii?Q?ZyI8IC2dtO9oP/vJHUE2rppiAmKoFY6WVZbHpVqjmKZg90lA1VAyQdjw0wcK?= =?us-ascii?Q?j8SETnd1sZQx3rob0Kdi2Xw0G5ISoq4bg5NbH2VQFNvgMNjHKlMloExW9YgO?= =?us-ascii?Q?jQy6C9H2O28LBzK7/aFB8QgplOevLeBuGFanIfIfthk/lMsU6pHv2yhDndiZ?= =?us-ascii?Q?4dFi0bYM8tuI3kGLnAhYCOZ8lb1uWjI83BizpccYDzcyYPsPKmSau5L6gyZQ?= =?us-ascii?Q?rJ9jgA3cQLQuxLOEs90qV2UDoVR7Cy54osCYE4uxqS01H41RXBPByulEQP6Y?= =?us-ascii?Q?ase/Wg1AzhT3d30Vd2JBejbytAo7JPWxoLeWJxqYeQOADUBu1Y/caFMfInn/?= =?us-ascii?Q?ReYcscAEKbU0TrTY3ETXAJrqB4zYuqq9oyZvQsEgjhCinnAGLF/wVBgGGYE9?= =?us-ascii?Q?epALhkRIANLFK4zaRR8yN0MmFRmwxDtpEDhR+nokXMvyxppuY3OfCfXr/DQH?= =?us-ascii?Q?5w8bwn1QPDyHLcWjuQVO6UJlxOWTeHUKkDMyJHwsMNSo6ob9l+M0PBBg7vkn?= =?us-ascii?Q?OgIb0GaU3DlTlY39qtNKMkhgGVtmJ/hWAur8BWHNTQOUlwHtKMyHaoFPkUnd?= =?us-ascii?Q?5e5y9yB7ivg8/MqbGyCb7ufbqrQJetU0m8L8Sz3FrnX1ywKDAdPMhLHPWgAe?= =?us-ascii?Q?fYIOuC14Z4Qfp14RJG5/St3D/4pBvyAkzTiyqFBIouys11W9CpGevB6/CiEd?= =?us-ascii?Q?ecmNzaOSnQWdt3DX8KwNrcdfp0vB/m5lgGBx54niH/KZWIg2A+Wzbb/vBELM?= =?us-ascii?Q?qC3/CUD4lOL+v8f2v9MhJ4fxwA7MsVxMG+kk3VmiPmATLdgdOLlfbfBV0O37?= =?us-ascii?Q?Bg=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: b68b0f5a-ccff-426c-7f1a-08dcc2a00822 X-MS-Exchange-CrossTenant-AuthSource: IA1PR11MB6097.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Aug 2024 11:46:17.6488 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: YT1txpJQcBnf6mojjryUUqpIu1sQ5tnJCI8XMYVakqkO/XB4Llj/IuTCJgrQ+kvtxgvrCLAJM/47yzR4JZI7yo0R/ddUZHVahMa749aaD8s= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR11MB6120 X-OriginatorOrg: intel.com On Thu, Aug 22, 2024 at 09:42:07AM +0200, Kurt Kanzenbach wrote: > From: Sriram Yagnaraman > > Always call igb_xdp_ring_update_tail() under __netif_tx_lock, add a comment > and lockdep assert to indicate that. This is needed to share the same TX > ring between XDP, XSK and slow paths. Furthermore, the current XDP > implementation is racy on tail updates. > > Fixes: 9cbc948b5a20 ("igb: add XDP support") > Signed-off-by: Sriram Yagnaraman > [Kurt: Add lockdep assert and fixes tag] > Signed-off-by: Kurt Kanzenbach Acked-by: Maciej Fijalkowski Thanks! > --- > drivers/net/ethernet/intel/igb/igb_main.c | 17 +++++++++++++---- > 1 file changed, 13 insertions(+), 4 deletions(-) > > diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c > index 33a42b4c21e0..c71eb2bbb23d 100644 > --- a/drivers/net/ethernet/intel/igb/igb_main.c > +++ b/drivers/net/ethernet/intel/igb/igb_main.c > @@ -33,6 +33,7 @@ > #include > #include > #include > +#include > #ifdef CONFIG_IGB_DCA > #include > #endif > @@ -2914,8 +2915,11 @@ static int igb_xdp(struct net_device *dev, struct netdev_bpf *xdp) > } > } > > +/* This function assumes __netif_tx_lock is held by the caller. */ > static void igb_xdp_ring_update_tail(struct igb_ring *ring) > { > + lockdep_assert_held(&txring_txq(ring)->_xmit_lock); > + > /* Force memory writes to complete before letting h/w know there > * are new descriptors to fetch. > */ > @@ -3000,11 +3004,11 @@ static int igb_xdp_xmit(struct net_device *dev, int n, > nxmit++; > } > > - __netif_tx_unlock(nq); > - > if (unlikely(flags & XDP_XMIT_FLUSH)) > igb_xdp_ring_update_tail(tx_ring); > > + __netif_tx_unlock(nq); > + > return nxmit; > } > > @@ -8854,12 +8858,14 @@ static void igb_put_rx_buffer(struct igb_ring *rx_ring, > > static int igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget) > { > + unsigned int total_bytes = 0, total_packets = 0; > struct igb_adapter *adapter = q_vector->adapter; > struct igb_ring *rx_ring = q_vector->rx.ring; > - struct sk_buff *skb = rx_ring->skb; > - unsigned int total_bytes = 0, total_packets = 0; > u16 cleaned_count = igb_desc_unused(rx_ring); > + struct sk_buff *skb = rx_ring->skb; > + int cpu = smp_processor_id(); > unsigned int xdp_xmit = 0; > + struct netdev_queue *nq; > struct xdp_buff xdp; > u32 frame_sz = 0; > int rx_buf_pgcnt; > @@ -8987,7 +8993,10 @@ static int igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget) > if (xdp_xmit & IGB_XDP_TX) { > struct igb_ring *tx_ring = igb_xdp_tx_queue_mapping(adapter); > > + nq = txring_txq(tx_ring); > + __netif_tx_lock(nq, cpu); > igb_xdp_ring_update_tail(tx_ring); > + __netif_tx_unlock(nq); > } > > u64_stats_update_begin(&rx_ring->rx_syncp); > > --- > base-commit: a0b4a80ed6ce2cf8140fe926303ba609884b5d9b > change-id: 20240822-igb_xdp_tx_lock-b6846fddc758 > > Best regards, > -- > Kurt Kanzenbach >