f166628854
Add in new chacha20_poly1305 PMD to the ipsec_mb framework. Signed-off-by: Kai Ji <kai.ji@intel.com> Signed-off-by: Ciara Power <ciara.power@intel.com> Acked-by: Ray Kinsella <mdr@ashroe.eu> Acked-by: Fan Zhang <roy.fan.zhang@intel.com> Acked-by: Akhil Goyal <gakhil@marvell.com>
100 lines
3.2 KiB
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100 lines
3.2 KiB
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.. SPDX-License-Identifier: BSD-3-Clause
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Copyright(c) 2021 Intel Corporation.
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Chacha20-poly1305 Crypto Poll Mode Driver
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=========================================
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The Chacha20-poly1305 PMD provides poll mode crypto driver support for
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utilizing `Intel IPSec Multi-buffer library <https://github.com/01org/intel-ipsec-mb>`_.
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Features
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--------
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Chacha20-poly1305 PMD has support for:
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AEAD algorithms:
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* RTE_CRYPTO_AEAD_CHACHA20_POLY1305
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Installation
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------------
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To build DPDK with the Chacha20-poly1305 PMD the user is required to download
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the multi-buffer library from `here <https://github.com/01org/intel-ipsec-mb>`_
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and compile it on their user system before building DPDK.
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The latest version of the library supported by this PMD is v1.0, which
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can be downloaded from `<https://github.com/01org/intel-ipsec-mb/archive/v1.0.zip>`_.
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After downloading the library, the user needs to unpack and compile it
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on their system before building DPDK:
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.. code-block:: console
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make
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make install
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The library requires NASM to be built. Depending on the library version, it might
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require a minimum NASM version (e.g. v0.54 requires at least NASM 2.14).
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NASM is packaged for different OS. However, on some OS the version is too old,
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so a manual installation is required. In that case, NASM can be downloaded from
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`NASM website <https://www.nasm.us/pub/nasm/releasebuilds/?C=M;O=D>`_.
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Once it is downloaded, extract it and follow these steps:
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.. code-block:: console
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./configure
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make
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make install
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.. note::
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Compilation of the Multi-Buffer library is broken when GCC < 5.0, if library <= v0.53.
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If a lower GCC version than 5.0, the workaround proposed by the following link
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should be used: `<https://github.com/intel/intel-ipsec-mb/issues/40>`_.
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As a reference, the following table shows a mapping between the past DPDK versions
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and the external crypto libraries supported by them:
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.. _table_chacha20_poly1305_versions:
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.. table:: DPDK and external crypto library version compatibility
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============= ================================
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DPDK version Crypto library version
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============= ================================
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21.11+ Multi-buffer library 1.0*
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============= ================================
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\* Multi-buffer library 1.0 or newer only works for Meson but not Make build system.
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Initialization
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--------------
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In order to enable this virtual crypto PMD, user must:
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* Build the multi buffer library (explained in Installation section).
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To use the PMD in an application, user must:
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* Call rte_vdev_init("crypto_chacha20_poly1305") within the application.
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* Use --vdev="crypto_chacha20_poly1305" in the EAL options, which will call
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rte_vdev_init() internally.
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The following parameters (all optional) can be provided in the previous two calls:
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* socket_id: Specify the socket where the memory for the device is going to be allocated
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(by default, socket_id will be the socket where the core that is creating the PMD is running on).
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* max_nb_queue_pairs: Specify the maximum number of queue pairs in the device (8 by default).
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* max_nb_sessions: Specify the maximum number of sessions that can be created (2048 by default).
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Example:
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.. code-block:: console
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--vdev="crypto_chacha20_poly1305,socket_id=0,max_nb_sessions=128"
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