Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/26397/?format=api
{ "id": 26397, "url": "https://patches.dpdk.org/api/patches/26397/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1499179471-19145-18-git-send-email-shreyansh.jain@nxp.com/", "project": { "id": 1, "url": "https://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<1499179471-19145-18-git-send-email-shreyansh.jain@nxp.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1499179471-19145-18-git-send-email-shreyansh.jain@nxp.com", "date": "2017-07-04T14:44:08", "name": "[dpdk-dev,v2,17/40] doc: add NXP DPAA PMD documentation", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "14ddb35faaadf7e489a60148c6ab56a1f1daf255", "submitter": { "id": 497, "url": "https://patches.dpdk.org/api/people/497/?format=api", "name": "Shreyansh Jain", "email": "shreyansh.jain@nxp.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1499179471-19145-18-git-send-email-shreyansh.jain@nxp.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/26397/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/26397/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 806F37CE1;\n\tTue, 4 Jul 2017 16:36:10 +0200 (CEST)", "from NAM03-DM3-obe.outbound.protection.outlook.com\n\t(mail-dm3nam03on0042.outbound.protection.outlook.com [104.47.41.42])\n\tby dpdk.org (Postfix) with ESMTP id C1EA27D0B\n\tfor <dev@dpdk.org>; Tue, 4 Jul 2017 16:36:04 +0200 (CEST)", "from DM5PR03CA0039.namprd03.prod.outlook.com (2603:10b6:4:3b::28)\n\tby\n\tDM2PR03MB480.namprd03.prod.outlook.com (2a01:111:e400:2420::26) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1199.15;\n\tTue, 4 Jul 2017 14:36:03 +0000", "from BN1BFFO11OLC004.protection.gbl (2a01:111:f400:7c10::1:167) by\n\tDM5PR03CA0039.outlook.office365.com (2603:10b6:4:3b::28) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id\n\t15.1.1220.11 via Frontend Transport; Tue, 4 Jul 2017 14:36:02 +0000", "from az84smr01.freescale.net (192.88.158.2) by\n\tBN1BFFO11OLC004.mail.protection.outlook.com (10.58.145.15) with\n\tMicrosoft\n\tSMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id\n\t15.1.1199.9 via Frontend Transport; Tue, 4 Jul 2017 14:36:03 +0000", "from Tophie.ap.freescale.net ([10.232.14.39])\n\tby az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id\n\tv64EZM71016426; Tue, 4 Jul 2017 07:36:00 -0700" ], "Authentication-Results": "spf=fail (sender IP is 192.88.158.2)\n\tsmtp.mailfrom=nxp.com; nxp.com; dkim=none (message not signed)\n\theader.d=none;nxp.com; dmarc=fail action=none header.from=nxp.com;", "Received-SPF": "Fail (protection.outlook.com: domain of nxp.com does not\n\tdesignate 192.88.158.2 as permitted sender)\n\treceiver=protection.outlook.com; \n\tclient-ip=192.88.158.2; helo=az84smr01.freescale.net;", "From": "Shreyansh Jain <shreyansh.jain@nxp.com>", "To": "<dev@dpdk.org>", "CC": "<ferruh.yigit@intel.com>, <hemant.agrawal@nxp.com>", "Date": "Tue, 4 Jul 2017 20:14:08 +0530", "Message-ID": "<1499179471-19145-18-git-send-email-shreyansh.jain@nxp.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1499179471-19145-1-git-send-email-shreyansh.jain@nxp.com>", "References": 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"Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>\nSigned-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>\n---\n MAINTAINERS | 2 +\n doc/guides/nics/dpaa.rst | 367 ++++++++++++++++++++++++++++++++++++++\n doc/guides/nics/features/dpaa.ini | 8 +\n doc/guides/nics/index.rst | 1 +\n 4 files changed, 378 insertions(+)\n create mode 100644 doc/guides/nics/dpaa.rst\n create mode 100644 doc/guides/nics/features/dpaa.ini", "diff": "diff --git a/MAINTAINERS b/MAINTAINERS\nindex 620d57a..839423b 100644\n--- a/MAINTAINERS\n+++ b/MAINTAINERS\n@@ -392,6 +392,8 @@ NXP dpaa\n M: Hemant Agrawal <hemant.agrawal@nxp.com>\n M: Shreyansh Jain <shreyansh.jain@nxp.com>\n F: drivers/bus/dpaa/\n+F: doc/guides/nics/dpaa.rst\n+F: doc/guides/nics/features/dpaa.ini\n \n NXP dpaa2\n M: Hemant Agrawal <hemant.agrawal@nxp.com>\ndiff --git a/doc/guides/nics/dpaa.rst b/doc/guides/nics/dpaa.rst\nnew file mode 100644\nindex 0000000..9ea1c69\n--- /dev/null\n+++ b/doc/guides/nics/dpaa.rst\n@@ -0,0 +1,367 @@\n+.. BSD LICENSE\n+ Copyright 2017 NXP.\n+ All rights reserved.\n+\n+ Redistribution and use in source and binary forms, with or without\n+ modification, are permitted provided that the following conditions\n+ are met:\n+\n+ * Redistributions of source code must retain the above copyright\n+ notice, this list of conditions and the following disclaimer.\n+ * Redistributions in binary form must reproduce the above copyright\n+ notice, this list of conditions and the following disclaimer in\n+ the documentation and/or other materials provided with the\n+ distribution.\n+ * Neither the name of NXP nor the names of its\n+ contributors may be used to endorse or promote products derived\n+ from this software without specific prior written permission.\n+\n+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n+ \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n+\n+DPAA Poll Mode Driver\n+=====================\n+\n+The DPAA NIC PMD (**librte_pmd_dpaa**) provides poll mode driver\n+support for the inbuilt NIC found in the **NXP DPAA** SoC family.\n+\n+More information can be found at `NXP Official Website\n+<http://www.nxp.com/products/microcontrollers-and-processors/arm-processors/qoriq-arm-processors:QORIQ-ARM>`_.\n+\n+NXP DPAA (Data Path Acceleration Architecture - Gen 1)\n+------------------------------------------------------\n+\n+This section provides an overview of the NXP DPAA architecture\n+and how it is integrated into the DPDK.\n+\n+Contents summary\n+\n+- DPAA overview\n+- DPAA driver architecture overview\n+\n+.. _dpaa_overview:\n+\n+DPAA Overview\n+~~~~~~~~~~~~~\n+\n+Reference: `FSL DPAA Architecture <http://www.nxp.com/assets/documents/data/en/white-papers/QORIQDPAAWP.pdf>`_.\n+\n+The QorIQ Data Path Acceleration Architecture (DPAA) is a set of hardware\n+components on specific QorIQ series multicore processors. This architecture\n+provides the infrastructure to support simplified sharing of networking\n+interfaces and accelerators by multiple CPU cores, and the accelerators\n+themselves.\n+\n+DPAA includes:\n+\n+- Cores\n+- Network and packet I/O\n+- Hardware offload accelerators\n+- Infrastructure required to facilitate flow of packets between the components above\n+\n+Infrastructure components are:\n+\n+- The Queue Manager (QMan) is a hardware accelerator that manages frame queues.\n+ It allows CPUs and other accelerators connected to the SoC datapath to\n+ enqueue and dequeue ethernet frames, thus providing the infrastructure for\n+ data exchange among CPUs and datapath accelerators.\n+- The Buffer Manager (BMan) is a hardware buffer pool management block that\n+ allows software and accelerators on the datapath to acquire and release\n+ buffers in order to build frames.\n+\n+Hardware accelerators are:\n+\n+- SEC - Cryptographic accelerator\n+- PME - Pattern matching engine\n+\n+The Network and packet I/O component:\n+\n+- The Frame Manager (FMan) is a key component in the DPAA and makes use of the\n+ DPAA infrastructure (QMan and BMan). FMan is responsible for packet\n+ distribution and policing. Each frame can be parsed, classified and results\n+ may be attached to the frame. This meta data can be used to select\n+ particular QMan queue, which the packet is forwarded to.\n+\n+\n+DPAA DPDK - Poll Mode Driver Overview\n+-------------------------------------\n+\n+This section provides an overview of the drivers for DPAA:\n+\n+* Bus driver and associated \"DPAA infrastructure\" drivers\n+* Functional object drivers (such as Ethernet).\n+\n+Brief description of each driver is provided in layout below as well as\n+in the following sections.\n+\n+.. code-block:: console\n+\n+ +------------+\n+ | DPDK DPAA |\n+ | PMD |\n+ +-----+------+\n+ |\n+ +-----+------+ +---------------+\n+ : Ethernet :.......| DPDK DPAA |\n+ . . . . . . . . . : (FMAN) : | Mempool driver|\n+ . +---+---+----+ | (BMAN) |\n+ . ^ | +-----+---------+\n+ . | |<enqueue, .\n+ . | | dequeue> .\n+ . | | .\n+ . +---+---V----+ .\n+ . . . . . . . . . . .: Portal drv : .\n+ . . : : .\n+ . . +-----+------+ .\n+ . . : QMAN : .\n+ . . : Driver : .\n+ +----+------+-------+ +-----+------+ .\n+ | DPDK DPAA Bus | | .\n+ | driver |....................|.....................\n+ | /bus/dpaa | |\n+ +-------------------+ |\n+ |\n+ ========================== HARDWARE =====|========================\n+ PHY\n+ =========================================|========================\n+\n+In the above representation, solid lines represent components which interface\n+with DPDK RTE Framework and dotted lines represent DPAA internal components.\n+\n+DPAA Bus driver\n+~~~~~~~~~~~~~~~\n+\n+The DPAA bus driver is a ``rte_bus`` driver which scans the platform like bus.\n+Key functions include:\n+\n+- Scanning and parsing the various objects and adding them to their respective\n+ device list.\n+- Performing probe for available drivers against each scanned device\n+- Creating necessary ethernet instance before passing control to the PMD\n+\n+DPAA NIC Driver (PMD)\n+~~~~~~~~~~~~~~~~~~~~~\n+\n+DPAA PMD is traditional DPDK PMD which provides necessary interface between\n+RTE framework and DPAA internal components/drivers.\n+\n+- Once devices have been identified by DPAA Bus, each device is associated\n+ with the PMD\n+- PMD is responsible for implementing necessary glue layer between RTE APIs\n+ and lower level QMan and FMan blocks.\n+ The Ethernet driver is bound to a FMAN port and implements the interfaces\n+ needed to connect the DPAA network interface to the network stack.\n+ Each FMAN Port corresponds to a DPDK network interface.\n+\n+\n+Features\n+^^^^^^^^\n+\n+ Features of the DPAA PMD are:\n+\n+ - Multiple queues for TX and RX\n+ - Receive Side Scaling (RSS)\n+ - Packet type information\n+ - Checksum offload\n+ - Promiscuous mode\n+\n+DPAA Mempool Driver\n+~~~~~~~~~~~~~~~~~~~\n+\n+DPAA has a hardware offloaded buffer pool manager, called BMan, or Buffer\n+Manager.\n+\n+- Using standard Mempools operations RTE API, the mempool driver interfaces\n+ with RTE to service each mempool creation, deletion, buffer allocation and\n+ deallocation requests.\n+- Each FMAN instance has a BMan pool attached to it during initialization.\n+ Each Tx frame can be automatically released by hardware, if allocated from\n+ this pool.\n+\n+\n+Supported DPAA SoCs\n+-------------------\n+\n+- LS1043A/LS1023A\n+- LS1046A/LS1026A\n+\n+Prerequisites\n+-------------\n+\n+There are three main pre-requisities for executing DPAA PMD on a DPAA\n+compatible board:\n+\n+1. **ARM 64 Tool Chain**\n+\n+ For example, the `*aarch64* Linaro Toolchain <https://releases.linaro.org/components/toolchain/binaries/4.9-2017.01/aarch64-linux-gnu>`_.\n+\n+2. **Linux Kernel**\n+\n+ It can be obtained from `NXP's Github hosting <https://github.com/qoriq-open-source/linux>`_.\n+\n+3. **Rootfile system**\n+\n+ Any *aarch64* supporting filesystem can be used. For example,\n+ Ubuntu 15.10 (Wily) or 16.04 LTS (Xenial) userland which can be obtained\n+ from `here <http://cdimage.ubuntu.com/ubuntu-base/releases/16.04/release/ubuntu-base-16.04.1-base-arm64.tar.gz>`_.\n+\n+4. **FMC Tool**\n+\n+ Before any DPDK application can be executed, the Frame Manager Configuration\n+ Tool (FMC) need to be executed to set the configurations of the queues. This\n+ includes the queue state, RSS and other policies.\n+ This tool can be obtained from `NXP (Freescale) Public Git Repository <http://git.freescale.com/git/cgit.cgi/ppc/sdk/fmc.git>`_.\n+ This tool needs configuration files which are available in the\n+ :ref:`DPDK Extra Scripts <extra_scripts>`, described below.\n+\n+As an alternative method, DPAA PMD can also be executed using images provided\n+as part of SDK from NXP. The SDK includes all the above prerequisites necessary\n+to bring up a DPAA board.\n+\n+The following dependencies are not part of DPDK and must be installed\n+separately:\n+\n+- **NXP Linux SDK**\n+\n+ NXP Linux software development kit (SDK) includes support for family\n+ of QorIQ® ARM-Architecture-based system on chip (SoC) processors\n+ and corresponding boards.\n+\n+ It includes the Linux board support packages (BSPs) for NXP SoCs,\n+ a fully operational tool chain, kernel and board specific modules.\n+\n+ SDK and related information can be obtained from: `NXP QorIQ SDK <http://www.nxp.com/products/software-and-tools/run-time-software/linux-sdk/linux-sdk-for-qoriq-processors:SDKLINUX>`_.\n+\n+\n+.. _extra_scripts:\n+\n+- **DPDK Extra Scripts**\n+\n+ DPAA based resources can be configured easily with the help of ready scripts\n+ as provided in the DPDK Extra repository.\n+\n+ `DPDK Extras Scripts <https://github.com/qoriq-open-source/dpdk-extras>`_.\n+\n+Currently supported by DPDK:\n+\n+- NXP SDK **2.0+**.\n+- Supported architectures: **arm64 LE**.\n+\n+- Follow the DPDK :ref:`Getting Started Guide for Linux <linux_gsg>`\n+ to setup the basic DPDK environment.\n+\n+.. note::\n+\n+ Some part of dpaa bus code (qbman and fman - library) routines are\n+ dual licensed (BSD & GPLv2).\n+\n+Pre-Installation Configuration\n+------------------------------\n+\n+Config File Options\n+~~~~~~~~~~~~~~~~~~~\n+\n+The following options can be modified in the ``config`` file.\n+Please note that enabling debugging options may affect system performance.\n+\n+- ``CONFIG_RTE_LIBRTE_DPAA_BUS`` (default ``n``)\n+\n+ By default it is enabled only for defconfig_arm64-dpaa-* config.\n+ Toggle compilation of the ``librte_bus_dpaa`` driver.\n+\n+- ``CONFIG_RTE_LIBRTE_DPAA_PMD`` (default ``n``)\n+\n+ By default it is enabled only for defconfig_arm64-dpaa-* config.\n+ Toggle compilation of the ``librte_pmd_dpaa`` driver.\n+\n+- ``CONFIG_RTE_LIBRTE_DPAA_DEBUG_DRIVER`` (default ``n``)\n+\n+ Toggle display of generic debugging messages\n+\n+- ``CONFIG_RTE_LIBRTE_DPAA_DEBUG_INIT`` (default ``n``)\n+\n+ Toggle display of initialization related messages.\n+\n+- ``CONFIG_RTE_MBUF_DEFAULT_MEMPOOL_OPS`` (default ``dpaa``)\n+\n+ This is not a DPAA specific configuration - it is a generic RTE config.\n+ For optimal performance and hardware utilization, it is expected that DPAA\n+ Mempool driver is used for mempools. For that, this configuration needs to\n+ enabled.\n+\n+Environment Variables\n+~~~~~~~~~~~~~~~~~~~~~\n+\n+DPAA drivers uses the following environment variables to configure its\n+state during application initialization:\n+\n+- ``DPAA_NUM_RX_QUEUES`` (default 1)\n+\n+ This defines the number of Rx queues configured for an application, per\n+ port. Hardware would distribute across these many number of queues on Rx\n+ of packets.\n+ In case the application is configured to use lesser number of queues than\n+ configured above, it might result in packet loss (because of distribution).\n+\n+\n+Driver compilation and testing\n+------------------------------\n+\n+Refer to the document :ref:`compiling and testing a PMD for a NIC <pmd_build_and_test>`\n+for details.\n+\n+#. Running testpmd:\n+\n+ Follow instructions available in the document\n+ :ref:`compiling and testing a PMD for a NIC <pmd_build_and_test>`\n+ to run testpmd.\n+\n+ Example output:\n+\n+ .. code-block:: console\n+\n+ ./arm64-dpaa-linuxapp-gcc/testpmd -c 0xff -n 1 \\\n+ -- -i --portmask=0x3 --nb-cores=1 --no-flush-rx\n+\n+ .....\n+ EAL: Registered [pci] bus.\n+ EAL: Registered [dpaa] bus.\n+ EAL: Detected 4 lcore(s)\n+ .....\n+ EAL: dpaa: Bus scan completed\n+ .....\n+ Configuring Port 0 (socket 0)\n+ Port 0: 00:00:00:00:00:01\n+ Configuring Port 1 (socket 0)\n+ Port 1: 00:00:00:00:00:02\n+ .....\n+ Checking link statuses...\n+ Port 0 Link Up - speed 10000 Mbps - full-duplex\n+ Port 1 Link Up - speed 10000 Mbps - full-duplex\n+ Done\n+ testpmd>\n+\n+Limitations\n+-----------\n+\n+Platform Requirement\n+~~~~~~~~~~~~~~~~~~~~\n+DPAA drivers for DPDK can only work on NXP SoCs as listed in the\n+``Supported DPAA SoCs``.\n+\n+Maximum packet length\n+~~~~~~~~~~~~~~~~~~~~~\n+\n+The DPAA SoC family support a maximum of a 10240 jumbo frame. The value\n+is fixed and cannot be changed. So, even when the ``rxmode.max_rx_pkt_len``\n+member of ``struct rte_eth_conf`` is set to a value lower than 10240, frames\n+up to 10240 bytes can still reach the host interface.\ndiff --git a/doc/guides/nics/features/dpaa.ini b/doc/guides/nics/features/dpaa.ini\nnew file mode 100644\nindex 0000000..9e8befc\n--- /dev/null\n+++ b/doc/guides/nics/features/dpaa.ini\n@@ -0,0 +1,8 @@\n+;\n+; Supported features of the 'dpaa' network poll mode driver.\n+;\n+; Refer to default.ini for the full list of available PMD features.\n+;\n+[Features]\n+ARMv8 = Y\n+Usage doc = Y\ndiff --git a/doc/guides/nics/index.rst b/doc/guides/nics/index.rst\nindex 240d082..6fc8eaf 100644\n--- a/doc/guides/nics/index.rst\n+++ b/doc/guides/nics/index.rst\n@@ -42,6 +42,7 @@ Network Interface Controller Drivers\n bnx2x\n bnxt\n cxgbe\n+ dpaa\n dpaa2\n e1000em\n ena\n", "prefixes": [ "dpdk-dev", "v2", "17/40" ] }