From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 26839101B for ; Tue, 21 Mar 2017 07:01:09 +0100 (CET) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP; 20 Mar 2017 23:01:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,198,1486454400"; d="scan'208";a="1125175619" Received: from fmsmsx106.amr.corp.intel.com ([10.18.124.204]) by fmsmga001.fm.intel.com with ESMTP; 20 Mar 2017 23:01:06 -0700 Received: from fmsmsx114.amr.corp.intel.com (10.18.116.8) by FMSMSX106.amr.corp.intel.com (10.18.124.204) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 20 Mar 2017 23:01:03 -0700 Received: from shsmsx101.ccr.corp.intel.com (10.239.4.153) by FMSMSX114.amr.corp.intel.com (10.18.116.8) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 20 Mar 2017 23:01:03 -0700 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.20]) by SHSMSX101.ccr.corp.intel.com ([169.254.1.177]) with mapi id 14.03.0248.002; Tue, 21 Mar 2017 14:01:01 +0800 From: "Wu, Jingjing" To: Thomas Monjalon CC: "Zhang, Helin" , "Mcnamara, John" , "dev@dpdk.org" Thread-Topic: i40e queues per VF Thread-Index: AQHShqonM5MJAcpjakyBpOyzlbcRnqFrqWpg//+MmYCAM8zkQA== Date: Tue, 21 Mar 2017 06:01:00 +0000 Message-ID: <9BB6961774997848B5B42BEC655768F810CF8740@SHSMSX103.ccr.corp.intel.com> References: <32336171.7h5g7kEJXa@xps13> <9BB6961774997848B5B42BEC655768F810CDE4AF@SHSMSX103.ccr.corp.intel.com> <6154321.GLCpcWPPOA@xps13> In-Reply-To: <6154321.GLCpcWPPOA@xps13> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: 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] i40e queues per VF 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: Tue, 21 Mar 2017 06:01:10 -0000 > > This number is used as initialization time to allocate queue number > > for PF/VF for HW's queue pool. Will add more description in i40e.rst. >=20 > The description "Number of queues reserved for each SR-IOV VF" seems > partially wrong. Please explain it is a queue pair. >=20 OK. Sure. [......] > > > > > > Is there something to configure the number of queues when creating > > > VF with the kernel driver? > > > > In kernel driver, it seems at most only 4 queues are supported. That's > > Why we add build-time config option to make more queues are possible. >=20 > If we can create 16 queue pairs, why restrict the default configuration t= o 4? > Why is it a build-time config option? If we allocate 16 queue pairs by default, then the number of VFs will be li= mited Because of the entire queue resources on NIC. Anyway, I will update doc on this part. Sorry for the delay because of trip= . Thanks Jingjing