From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 05B56A04E6; Tue, 17 Nov 2020 15:36:42 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 9A9A837B1; Tue, 17 Nov 2020 15:36:40 +0100 (CET) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 2B825F90 for ; Tue, 17 Nov 2020 15:36:38 +0100 (CET) IronPort-SDR: bU7SAl73JAYgk5Cy6PrO2OK9eXBiSeshWaQZkg7ISaxiJG0BCIrVfckUQMfvMyFqNGzSAEAOlG 49PHLMWoOavA== X-IronPort-AV: E=McAfee;i="6000,8403,9807"; a="188990941" X-IronPort-AV: E=Sophos;i="5.77,485,1596524400"; d="scan'208";a="188990941" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2020 06:36:36 -0800 IronPort-SDR: 6HAAAd8PBWHHEEmcDu3uC3HzVLw/jOF+61ZlJhVZT+oMHDb3/V2jOWqOR2bDhmZT/z8KqPD3vJ nf33R9BSPVuA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,485,1596524400"; d="scan'208";a="310777210" Received: from silpixa00399839.ir.intel.com (HELO localhost.localdomain) ([10.237.222.142]) by fmsmga007.fm.intel.com with ESMTP; 17 Nov 2020 06:36:35 -0800 From: Ciara Loftus To: dev@dpdk.org Cc: Ciara Loftus Date: Tue, 17 Nov 2020 14:07:41 +0000 Message-Id: <20201117140741.16622-1-ciara.loftus@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201112163515.29463-1-ciara.loftus@intel.com> References: <20201112163515.29463-1-ciara.loftus@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v2] net/af_xdp: document 32-bit OS kernel requirement X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" AF_XDP will not work on 32-bit kernels before version 5.4. Document this restriction in the driver guide. Signed-off-by: Ciara Loftus --- doc/guides/nics/af_xdp.rst | 1 + 1 file changed, 1 insertion(+) diff --git a/doc/guides/nics/af_xdp.rst b/doc/guides/nics/af_xdp.rst index 052e59a3ae..5ed24374f8 100644 --- a/doc/guides/nics/af_xdp.rst +++ b/doc/guides/nics/af_xdp.rst @@ -50,6 +50,7 @@ This is a Linux-specific PMD, thus the following prerequisites apply: * For PMD zero copy, it requires kernel version later than v5.4-rc1; * For shared_umem, it requires kernel version v5.10 or later and libbpf version v0.2.0 or later. +* For 32-bit OS, a kernel with version 5.4 or later is required. Set up an af_xdp interface ----------------------------- -- 2.17.1