X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fcryptodevs%2Fsnow3g.rst;h=13341c39c4d4dc070d408eea96d3d9f78172c2bb;hb=fd5f9fb95ff5fb2543ad1cd8b4206f531d443347;hp=75a08aabe22e3444f6fc871a1890915897eeb15d;hpb=58615318536d7baaa2a11a9d614272d32b642160;p=dpdk.git diff --git a/doc/guides/cryptodevs/snow3g.rst b/doc/guides/cryptodevs/snow3g.rst index 75a08aabe2..13341c39c4 100644 --- a/doc/guides/cryptodevs/snow3g.rst +++ b/doc/guides/cryptodevs/snow3g.rst @@ -1,38 +1,12 @@ -.. BSD LICENSE - Copyright(c) 2016 Intel Corporation. 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 Intel Corporation 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. +.. SPDX-License-Identifier: BSD-3-Clause + Copyright(c) 2016-2019 Intel Corporation. SNOW 3G Crypto Poll Mode Driver =============================== -The SNOW 3G PMD (**librte_pmd_snow3g**) provides poll mode crypto driver -support for utilizing Intel Libsso library, which implements F8 and F9 functions -for SNOW 3G UEA2 cipher and UIA2 hash algorithms. +The SNOW3G PMD (**librte_snow3g_zuc**) provides poll mode crypto driver support for +utilizing `Intel IPSec Multi-buffer library `_ +which implements F8 and F8 functions for SNOW 3G UEA2 cipher and UIA2 hash algorithms. Features -------- @@ -58,34 +32,67 @@ Limitations Installation ------------ -To build DPDK with the SNOW3G_PMD the user is required to download -the export controlled ``libsso_snow3g`` library, by requesting it from -``_. -Once approval has been granted, the user needs to log in -``_ -and click on "Snow3G Bit Stream crypto library" link, to download the library. +To build DPDK with the SNOW3G_PMD the user is required to download the multi-buffer +library from `here `_ +and compile it on their user system before building DPDK. +The latest version of the library supported by this PMD is v0.54, which +can be downloaded from ``_. + After downloading the library, the user needs to unpack and compile it -on their system before building DPDK:: +on their system before building DPDK: + +.. code-block:: console + + make + make install + +The library requires NASM to be built. Depending on the library version, it might +require a minimum NASM version (e.g. v0.54 requires at least NASM 2.14). + +NASM is packaged for different OS. However, on some OS the version is too old, +so a manual installation is required. In that case, NASM can be downloaded from +`NASM website `_. +Once it is downloaded, extract it and follow these steps: + +.. code-block:: console + + ./configure + make + make install + +.. note:: + + Compilation of the Multi-Buffer library is broken when GCC < 5.0, if library <= v0.53. + If a lower GCC version than 5.0, the workaround proposed by the following link + should be used: ``_. + +As a reference, the following table shows a mapping between the past DPDK versions +and the external crypto libraries supported by them: + +.. _table_snow3g_versions: + +.. table:: DPDK and external crypto library version compatibility + + ============= ================================ + DPDK version Crypto library version + ============= ================================ + 16.04 - 19.11 LibSSO SNOW3G + 20.02+ Multi-buffer library 0.53 - 0.54 + ============= ================================ - make snow3G Initialization -------------- In order to enable this virtual crypto PMD, user must: -* Export the environmental variable LIBSSO_SNOW3G_PATH with the path where - the library was extracted (snow3g folder). - -* Build the LIBSSO_SNOW3G library (explained in Installation section). - -* Set CONFIG_RTE_LIBRTE_PMD_SNOW3G=y in config/common_base. +* Build the multi buffer library (explained in Installation section). To use the PMD in an application, user must: -* Call rte_eal_vdev_init("crypto_snow3g") within the application. +* Call rte_vdev_init("crypto_snow3g") within the application. -* Use --vdev="crypto_snow3g" in the EAL options, which will call rte_eal_vdev_init() internally. +* Use --vdev="crypto_snow3g" in the EAL options, which will call rte_vdev_init() internally. The following parameters (all optional) can be provided in the previous two calls: @@ -100,4 +107,5 @@ Example: .. code-block:: console - ./l2fwd-crypto -c 40 -n 4 --vdev="crypto_snow3g,socket_id=1,max_nb_sessions=128" + ./dpdk-l2fwd-crypto -l 1 -n 4 --vdev="crypto_snow3g,socket_id=0,max_nb_sessions=128" \ + -- -p 1 --cdev SW --chain CIPHER_ONLY --cipher_algo "snow3g-uea2"