From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id D08044CA0 for ; Mon, 15 Oct 2018 18:14:53 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Oct 2018 09:14:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,385,1534834800"; d="scan'208";a="272583917" Received: from fmsmsx104.amr.corp.intel.com ([10.18.124.202]) by fmsmga006.fm.intel.com with ESMTP; 15 Oct 2018 09:14:52 -0700 Received: from fmsmsx115.amr.corp.intel.com (10.18.116.19) by fmsmsx104.amr.corp.intel.com (10.18.124.202) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 15 Oct 2018 09:14:52 -0700 Received: from shsmsx104.ccr.corp.intel.com (10.239.4.70) by fmsmsx115.amr.corp.intel.com (10.18.116.19) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 15 Oct 2018 09:14:52 -0700 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.111]) by SHSMSX104.ccr.corp.intel.com ([169.254.5.183]) with mapi id 14.03.0319.002; Tue, 16 Oct 2018 00:14:50 +0800 From: "Zhang, Qi Z" To: "Li, Xiaoyun" , "Xing, Beilei" , "dev@dpdk.org" , "Lu, Wenzhuo" , "Wu, Jingjing" Thread-Topic: [PATCH v4] doc: add known issue about legacy intr mode for ixgbe Thread-Index: AQHUZELpoik3yuzjiECaLRYNKhaVs6Uge6Wg Date: Mon, 15 Oct 2018 16:14:49 +0000 Message-ID: <039ED4275CED7440929022BC67E70611532C197C@SHSMSX103.ccr.corp.intel.com> References: <1538039797-43828-1-git-send-email-xiaoyun.li@intel.com> <1539578194-52527-1-git-send-email-xiaoyun.li@intel.com> In-Reply-To: <1539578194-52527-1-git-send-email-xiaoyun.li@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiNTk5MGU5MjktZTkwNS00ODJiLThjNWQtNjgyYmE0ODlhYTg5IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoieENKbVRcL3ZBMWpyeFh1RjdPNFkrTHV1eFlZYk9hXC81TlptXC8wdDdEZGUzZlFxY2wzTEM1Um1oMVVpT0hWdHpsUyJ9 x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH v4] doc: add known issue about legacy intr mode for ixgbe 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: , X-List-Received-Date: Mon, 15 Oct 2018 16:14:54 -0000 > -----Original Message----- > From: Li, Xiaoyun > Sent: Sunday, October 14, 2018 9:37 PM > To: Xing, Beilei ; Zhang, Qi Z ; > dev@dpdk.org; Lu, Wenzhuo ; Wu, Jingjing > > Cc: Li, Xiaoyun > Subject: [PATCH v4] doc: add known issue about legacy intr mode for ixgbe >=20 > When using uio_pci_generic module or using legacy interrupt mode of > igb_uio or vfio, X550 cannot get interrupts. Because the Interrupt Status= bit is > not implemented, then the irq cannot be handled correctly and cannot > report the event fd to DPDK apps. >=20 > Add this hw limitation and details into ixgbe known issue. >=20 > Signed-off-by: Xiaoyun Li Acked-by: Qi Zhang Applied to dpdk-next-net-intel. Thanks Qi