X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fnics%2Fdpaa2.rst;h=233d926e0a494dec5d4d200b7b531a84f94a4848;hb=ef08031fc1dd5fd9293b5c069583d4955a4a3a6b;hp=a698e5ab653826f031cc9ebc2339a52aa556a1a2;hpb=d629b7b5fe812f0040b83d27d2ada33b003aa918;p=dpdk.git diff --git a/doc/guides/nics/dpaa2.rst b/doc/guides/nics/dpaa2.rst index a698e5ab65..233d926e0a 100644 --- a/doc/guides/nics/dpaa2.rst +++ b/doc/guides/nics/dpaa2.rst @@ -1,11 +1,11 @@ .. SPDX-License-Identifier: BSD-3-Clause - Copyright 2016 NXP + Copyright 2016,2020 NXP DPAA2 Poll Mode Driver ====================== -The DPAA2 NIC PMD (**librte_pmd_dpaa2**) provides poll mode driver +The DPAA2 NIC PMD (**librte_net_dpaa2**) provides poll mode driver support for the inbuilt NIC found in the **NXP DPAA2** SoC family. More information can be found at `NXP Official Website @@ -300,7 +300,7 @@ The diagram below shows the dpaa2 drivers involved in a networking scenario and the objects bound to each driver. A brief description of each driver follows. -.. code-block: console +.. code-block:: console +------------+ @@ -421,8 +421,8 @@ See :doc:`../platform/dpaa2` for setup information Currently supported by DPDK: -- NXP LSDK **19.03+**. -- MC Firmware version **10.14.0** and higher. +- NXP LSDK **19.08+**. +- MC Firmware version **10.18.0** and higher. - Supported architectures: **arm64 LE**. - Follow the DPDK :ref:`Getting Started Guide for Linux ` to setup the basic DPDK environment. @@ -432,32 +432,6 @@ Currently supported by DPDK: Some part of fslmc bus code (mc flib - object library) routines are dual licensed (BSD & GPLv2), however they are used as BSD in DPDK in userspace. -Pre-Installation Configuration ------------------------------- - -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_FSLMC_BUS`` (default ``n``) - - By default it is enabled only for defconfig_arm64-dpaa2-* config. - Toggle compilation of the ``librte_bus_fslmc`` driver. - -- ``CONFIG_RTE_LIBRTE_DPAA2_PMD`` (default ``n``) - - By default it is enabled only for defconfig_arm64-dpaa2-* config. - Toggle compilation of the ``librte_pmd_dpaa2`` driver. - -- ``CONFIG_RTE_LIBRTE_DPAA2_DEBUG_DRIVER`` (default ``n``) - - Toggle display of debugging messages/logic - -- ``CONFIG_RTE_LIBRTE_DPAA2_USE_PHYS_IOVA`` (default ``y``) - - Toggle to use physical address vs virtual address for hardware accelerators. Driver compilation and testing ------------------------------ @@ -475,7 +449,7 @@ for details. .. code-block:: console - ./testpmd -c 0xff -n 1 -- -i --portmask=0x3 --nb-cores=1 --no-flush-rx + ./dpdk-testpmd -c 0xff -n 1 -- -i --portmask=0x3 --nb-cores=1 --no-flush-rx ..... EAL: Registered [pci] bus. @@ -504,6 +478,10 @@ for details. driver level. Any packet received will be reflected back by the driver on same port. e.g. ``fslmc:dpni.1,drv_loopback=1`` +* Use dev arg option ``drv_no_prefetch=1`` to disable prefetching + of the packet pull command which is issued in the previous cycle. + e.g. ``fslmc:dpni.1,drv_no_prefetch=1`` + Enabling logs ------------- @@ -525,10 +503,10 @@ which are lower than logging ``level``. Using ``pmd.net.dpaa2`` as log matching criteria, all PMD logs can be enabled which are lower than logging ``level``. -Whitelisting & Blacklisting ---------------------------- +Allowing & Blocking +------------------- -For blacklisting a DPAA2 device, following commands can be used. +For blocking a DPAA2 device, following commands can be used. .. code-block:: console @@ -536,6 +514,19 @@ For blacklisting a DPAA2 device, following commands can be used. Where x is the device object id as configured in resource container. +Running secondary debug app without blocklist +--------------------------------------------- + +dpaa2 hardware imposes limits on some H/W access devices like Management +Control Port and H/W portal. This causes issue in their shared usages in +case of multi-process applications. It can overcome by using +allowlist/blocklist in primary and secondary applications. + +In order to ease usage of standard debugging apps like dpdk-procinfo, dpaa2 +driver reserves extra Management Control Port and H/W portal which can be +used by debug application to debug any existing application without +blocking these devices in primary process. + Limitations -----------