From patchwork Wed Jul 6 14:47:34 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Guo, Jia" X-Patchwork-Id: 19118 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id D1529D59A; Wed, 11 Jan 2017 09:51:08 +0100 (CET) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id BBB12D4E0 for ; Wed, 11 Jan 2017 09:51:06 +0100 (CET) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga104.fm.intel.com with ESMTP; 11 Jan 2017 00:51:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,345,1477983600"; d="scan'208";a="921242897" Received: from dpdk-py-purley.sh.intel.com ([10.239.129.175]) by orsmga003.jf.intel.com with ESMTP; 11 Jan 2017 00:50:59 -0800 From: Jeff Guo To: helin.zhang@intel.com, jingjing.wu@intel.com Cc: dev@dpdk.org, jia.guo@intel.com Date: Wed, 6 Jul 2016 22:47:34 +0800 Message-Id: <1467816454-67619-1-git-send-email-jia.guo@intel.com> X-Mailer: git-send-email 1.8.3.1 Subject: [dpdk-dev] [PATCH v2] doc: add known uio_pci_generic issue for i40e 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" From: "Guo, Jia" When bind with uio_pci_generic in X710/XL710/XXV710, the result is failed. uio_pci_generic is not supported by X710/XL710/XXV710. Signed-off-by: Guo, Jia --- v2: add X710/XXV710 limitation case --- doc/guides/rel_notes/known_issues.rst | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/doc/guides/rel_notes/known_issues.rst b/doc/guides/rel_notes/known_issues.rst index 3cd4237..1751451 100644 --- a/doc/guides/rel_notes/known_issues.rst +++ b/doc/guides/rel_notes/known_issues.rst @@ -640,3 +640,27 @@ I40e VF may not receive packets in the promiscuous mode **Driver/Module**: Poll Mode Driver (PMD). + + +uio_pci_generic bind failed in X710/XL710/XXV710 +------------------------------------------------------- + +**Description**: + uio_pci_generic is not supported by XL710, since the errata of XL710 that the feature + about the Interrupt Status bit is not implemented.The errata is the item #71 from the + `xl710 controller spec `_. + The hw limitation is the same as other X710/XXV710 NICs. + +**Implication**: + When bind uio_pci_generic, the uio_pci_generic probe device and check the Interrupt + Status bit related feature of NICs , since it is not supported by X710/XL710/XXV710, + so it return failed. + +**Resolution/Workaround**: + Do not bind to use uio_pci_generic in X710/XL710/XXV710 NICs. + +**Affected Environment/Platform**: + All. + +**Driver/Module**: + Poll Mode Driver (PMD).