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author | 2017-11-13 10:38:04 +0000 | |
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committer | 2017-11-13 10:38:39 +0000 | |
commit | 976be7358289d46cd5ed8131bbf2e2c5a6838d3c (patch) | |
tree | 5e6f873dd1658446539f9d4621e2d16f559c867d /doc/guides/mempool/octeontx.rst | |
parent | 055c52583a2794da8ba1e85a48cce3832372b12f (diff) |
New upstream version 17.11~rc4
Change-Id: I5cc288310eaa28cb8c2e475afce5e19f8c08ba1e
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'doc/guides/mempool/octeontx.rst')
-rw-r--r-- | doc/guides/mempool/octeontx.rst | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/doc/guides/mempool/octeontx.rst b/doc/guides/mempool/octeontx.rst new file mode 100644 index 00000000..b262c823 --- /dev/null +++ b/doc/guides/mempool/octeontx.rst @@ -0,0 +1,104 @@ +.. BSD LICENSE + Copyright (C) Cavium, Inc. 2017. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Cavium, Inc nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +OCTEONTX FPAVF Mempool Driver +============================= + +The OCTEONTX FPAVF PMD (**librte_mempool_octeontx**) is a mempool +driver for offload mempool device found in **Cavium OCTEONTX** SoC +family. + +More information can be found at `Cavium, Inc Official Website +<http://www.cavium.com/OCTEON-TX_ARM_Processors.html>`_. + +Features +-------- + +Features of the OCTEONTX FPAVF PMD are: + +- 32 SR-IOV Virtual functions +- 32 Pools +- HW mempool manager + +Supported OCTEONTX SoCs +----------------------- + +- CN83xx + +Prerequisites +------------- + +See :doc: `../platform/octeontx.rst` for setup information. + +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_MBUF_DEFAULT_MEMPOOL_OPS`` ( set to ``octeontx_fpavf``) + + Set default mempool ops to octeontx_fpavf. + +- ``CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL`` (default ``y``) + + Toggle compilation of the ``librte_mempool_octeontx`` driver. + +- ``CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL_DEBUG`` (default ``n``) + + Toggle display of generic debugging messages + +Driver Compilation +~~~~~~~~~~~~~~~~~~ + +To compile the OCTEONTX FPAVF MEMPOOL PMD for Linux arm64 gcc target, run the +following ``make`` command: + +.. code-block:: console + + cd <DPDK-source-directory> + make config T=arm64-thunderx-linuxapp-gcc test-build + + +Initialization +-------------- + +The octeontx fpavf mempool initialization similar to other mempool +drivers like ring. However user need to pass --base-virtaddr as +command line input to application example test_mempool.c application. + +Example: + +.. code-block:: console + + ./build/app/test -c 0xf --base-virtaddr=0x100000000000 \ + --mbuf-pool-ops-name="octeontx_fpavf" |