X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fnics%2Fdpaa.rst;h=17839a920e60a05b3ec39665e0018a097b6f4108;hb=1c22df86bb50be879458ed7a714a26d0e18766ee;hp=a62f128ea349c63e0ea30c31082af9239f388355;hpb=d81734caccade4dc17d24d2ffd8b71244d35a69f;p=dpdk.git diff --git a/doc/guides/nics/dpaa.rst b/doc/guides/nics/dpaa.rst index a62f128ea3..17839a920e 100644 --- a/doc/guides/nics/dpaa.rst +++ b/doc/guides/nics/dpaa.rst @@ -162,6 +162,16 @@ Manager. this pool. +Whitelisting & Blacklisting +--------------------------- + +For blacklisting a DPAA device, following commands can be used. + + .. code-block:: console + + -b "dpaa_bus:fmX-macY" -- ... + e.g. "dpaa_bus:fm1-mac4" + Supported DPAA SoCs ------------------- @@ -171,65 +181,8 @@ Supported DPAA SoCs Prerequisites ------------- -There are three main pre-requisities for executing DPAA PMD on a DPAA -compatible board: - -1. **ARM 64 Tool Chain** - - For example, the `*aarch64* Linaro Toolchain `_. - -2. **Linux Kernel** - - It can be obtained from `NXP's Github hosting `_. - -3. **Rootfile system** - - Any *aarch64* supporting filesystem can be used. For example, - Ubuntu 15.10 (Wily) or 16.04 LTS (Xenial) userland which can be obtained - from `here `_. - -4. **FMC Tool** - - Before any DPDK application can be executed, the Frame Manager Configuration - Tool (FMC) need to be executed to set the configurations of the queues. This - includes the queue state, RSS and other policies. - This tool can be obtained from `NXP (Freescale) Public Git Repository `_. - - This tool needs configuration files which are available in the - :ref:`DPDK Extra Scripts `, described below for DPDK usages. - -As an alternative method, DPAA PMD can also be executed using images provided -as part of SDK from NXP. The SDK includes all the above prerequisites necessary -to bring up a DPAA board. +See :doc:`../platform/dpaa` for setup information -The following dependencies are not part of DPDK and must be installed -separately: - -- **NXP Linux SDK** - - NXP Linux software development kit (SDK) includes support for family - of QorIQ® ARM-Architecture-based system on chip (SoC) processors - and corresponding boards. - - It includes the Linux board support packages (BSPs) for NXP SoCs, - a fully operational tool chain, kernel and board specific modules. - - SDK and related information can be obtained from: `NXP QorIQ SDK `_. - - -.. _extra_scripts: - -- **DPDK Extra Scripts** - - DPAA based resources can be configured easily with the help of ready scripts - as provided in the DPDK Extra repository. - - `DPDK Extras Scripts `_. - -Currently supported by DPDK: - -- NXP SDK **2.0+**. -- Supported architectures: **arm64 LE**. - Follow the DPDK :ref:`Getting Started Guide for Linux ` to setup the basic DPDK environment. @@ -248,14 +201,12 @@ Config File Options The following options can be modified in the ``config`` file. Please note that enabling debugging options may affect system performance. -- ``CONFIG_RTE_LIBRTE_DPAA_BUS`` (default ``n``) +- ``CONFIG_RTE_LIBRTE_DPAA_BUS`` (default ``y``) - By default it is enabled only for defconfig_arm64-dpaa-* config. Toggle compilation of the ``librte_bus_dpaa`` driver. -- ``CONFIG_RTE_LIBRTE_DPAA_PMD`` (default ``n``) +- ``CONFIG_RTE_LIBRTE_DPAA_PMD`` (default ``y``) - By default it is enabled only for defconfig_arm64-dpaa-* config. Toggle compilation of the ``librte_pmd_dpaa`` driver. - ``CONFIG_RTE_LIBRTE_DPAA_DEBUG_DRIVER`` (default ``n``) @@ -269,12 +220,6 @@ Please note that enabling debugging options may affect system performance. Enables debugging of the Queue and Buffer Manager layer which interacts with the DPAA hardware. -- ``CONFIG_RTE_MBUF_DEFAULT_MEMPOOL_OPS`` (default ``dpaa``) - - This is not a DPAA specific configuration - it is a generic RTE config. - For optimal performance and hardware utilization, it is expected that DPAA - Mempool driver is used for mempools. For that, this configuration needs to - enabled. Environment Variables ~~~~~~~~~~~~~~~~~~~~~ @@ -290,6 +235,18 @@ state during application initialization: In case the application is configured to use lesser number of queues than configured above, it might result in packet loss (because of distribution). +- ``DPAA_PUSH_QUEUES_NUMBER`` (default 4) + + This defines the number of High performance queues to be used for ethdev Rx. + These queues use one private HW portal per queue configured, so they are + limited in the system. The first configured ethdev queues will be + automatically be assigned from the these high perf PUSH queues. Any queue + configuration beyond that will be standard Rx queues. The application can + choose to change their number if HW portals are limited. + The valid values are from '0' to '4'. The values shall be set to '0' if the + application want to use eventdev with DPAA device. + Currently these queues are not used for LS1023/LS1043 platform by default. + Driver compilation and testing ------------------------------ @@ -307,7 +264,7 @@ for details. .. code-block:: console - ./arm64-dpaa-linuxapp-gcc/testpmd -c 0xff -n 1 \ + ./arm64-dpaa-linux-gcc/testpmd -c 0xff -n 1 \ -- -i --portmask=0x3 --nb-cores=1 --no-flush-rx .....