From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <bruce.richardson@intel.com> Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 767DD8D9C for <dev@dpdk.org>; Wed, 12 Oct 2016 17:59:15 +0200 (CEST) Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga101.fm.intel.com with ESMTP; 12 Oct 2016 08:59:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,336,1473145200"; d="scan'208";a="18875523" Received: from bricha3-mobl3.ger.corp.intel.com ([10.237.221.55]) by fmsmga005.fm.intel.com with SMTP; 12 Oct 2016 08:59:11 -0700 Received: by (sSMTP sendmail emulation); Wed, 12 Oct 2016 16:59:10 +0025 Date: Wed, 12 Oct 2016 16:59:10 +0100 From: Bruce Richardson <bruce.richardson@intel.com> To: Kamil Rytarowski <krytarowski@caviumnetworks.com> Cc: dev@dpdk.org, maciej.czekaj@caviumnetworks.com, zyta.szpak@semihalf.com, slawomir.rosek@semihalf.com, rad@semihalf.com, jerin.jacob@caviumnetworks.com, ferruh.yigit@intel.com, john.mcnamara@intel.com Message-ID: <20161012155910.GF104428@bricha3-MOBL3> References: <1472230448-17490-1-git-send-email-krytarowski@caviumnetworks.com> <1475237154-25388-1-git-send-email-krytarowski@caviumnetworks.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1475237154-25388-1-git-send-email-krytarowski@caviumnetworks.com> Organization: Intel Research and =?iso-8859-1?Q?De=ACvel?= =?iso-8859-1?Q?opment?= Ireland Ltd. User-Agent: Mutt/1.5.23 (2014-03-12) Subject: Re: [dpdk-dev] [PATCH v2 00/15] Add support for secondary queue set in nicvf thunderx driver X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Wed, 12 Oct 2016 15:59:16 -0000 On Fri, Sep 30, 2016 at 02:05:39PM +0200, Kamil Rytarowski wrote: > This series of patches adds support for secondary queue set in nicvf thunderx > driver > > There are two types of VFs: > - Primary VF > - Secondary VF > > Each port consist of a primary VF and n secondary VF(s). Each VF provides 8 > Tx/Rx queues to a port. In case port is configured to use more than 8 queues, > then it requires one (or more) secondary VF. Each secondary VF adds additional > 8 queues to the queue set. > > During PMD driver initialization, the primary VF's are enumerated by checking the > specific flag (see READY message). They are at the beginning of VF list (the remain > ones are secondary VF's). > > The primary VFs are used as master queue sets. Secondary VFs provide > additional queue sets for primary ones. If a port is configured for more then > 8 queues then it will request for additional queues from secondary VFs. > > Secondary VFs cannot be shared between primary VFs. > > Primary VFs are present on the tail of the 'Network devices using kernel > driver' list, secondary VFs are on the remaining tail of the list. > > The VNIC driver in the multiqueue setup works differently than other drivers > like `ixgbe`. We need to bind separately each specific queue set device with > the ``tools/dpdk-devbind.py`` utility. > > Depending on the hardware used, the kernel driver sets a threshold ``vf_id``. > VFs that try to attach with an id below or equal to this boundary are > considered primary VFs. VFs that try to attach with an id above this boundary > are considered secondary VFs. > > This patchset also contains other cleanups and improvements like fixing > erroneous checksum calculation and preparing the thunderx driver for the multi > queue set feature support. > > > These changes base on the following pending patches: > > [dpdk-dev,1/3] net/thunderx: remove generic passx references from the driver > http://dpdk.org/dev/patchwork/patch/14963/ > > [dpdk-dev,2/3] net/thunderx: introduce cqe_rx2 HW capability flag > http://dpdk.org/dev/patchwork/patch/14964/ > > [dpdk-dev,3/3] net/thunderx: add 81xx SoC support > http://dpdk.org/dev/patchwork/patch/14965/ > > Kamil Rytarowski (15): > net/thunderx: cleanup the driver before adding new features > net/thunderx: correct transmit checksum handling > net/thunderx/base: add family of functions to store qsets > net/thunderx/base: add secondary queue set support > net/thunderx: add family of functions to store DPDK qsets > net/thunderx: add secondary queue set in interrupt functions > net/thunderx: remove problematic private_data->eth_dev link > net/thunderx: add helper utils for secondary qset support > net/thunderx: add secondary qset support in dev stop/close > net/thunderx: add secondary qset support in device start > net/thunderx: add secondary qset support in device configure > net/thunderx: add final bits for secondary queue support > net/thunderx: document secondary queue set support > ethdev: Support VFs on the different PCI domains > net/thunderx: Bump driver version to 2.0 > Series applied to dpdk-next-net/rel_16_11, with the exception of patch 14 which has been resubmitted as a separate ethdev patch: http://dpdk.org/dev/patchwork/patch/16480/ /Bruce