X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fcryptodevs%2Fzuc.rst;h=c384f3d9e99dd9599e84796f03a067f516fa9d97;hb=f9295aa22051921a15f107b740682711ff43fb47;hp=e389899685bc4509fd4f1ec24e8a5e88424b4486;hpb=5f30035740640d3b401fdb37561872fe8a5eede4;p=dpdk.git diff --git a/doc/guides/cryptodevs/zuc.rst b/doc/guides/cryptodevs/zuc.rst index e389899685..c384f3d9e9 100644 --- a/doc/guides/cryptodevs/zuc.rst +++ b/doc/guides/cryptodevs/zuc.rst @@ -1,12 +1,12 @@ .. SPDX-License-Identifier: BSD-3-Clause - Copyright(c) 2016 Intel Corporation. + Copyright(c) 2016-2019 Intel Corporation. ZUC Crypto Poll Mode Driver =========================== -The ZUC PMD (**librte_pmd_zuc**) provides poll mode crypto driver -support for utilizing Intel Libsso library, which implements F8 and F9 functions -for ZUC EEA3 cipher and EIA3 hash algorithms. +The ZUC PMD (**librte_pmd_zuc**) provides poll mode crypto driver support for +utilizing `Intel IPSec Multi-buffer library `_ +which implements F8 and F9 functions for ZUC EEA3 cipher and EIA3 hash algorithms. Features -------- @@ -27,42 +27,58 @@ Limitations * Chained mbufs are not supported. * ZUC (EIA3) supported only if hash offset field is byte-aligned. * ZUC (EEA3) supported only if cipher length, cipher offset fields are byte-aligned. -* ZUC PMD cannot be built as a shared library, due to limitations in - in the underlying library. Installation ------------ -To build DPDK with the ZUC_PMD the user is required to download -the export controlled ``libsso_zuc`` library, by registering in -`Intel Resource & Design Center `_. -Once approval has been granted, the user needs to search for -*ZUC 128-EAA3 and 128-EIA3 3GPP cryptographic algorithms Software Library* to download the -library or directly through this `link `_. +To build DPDK with the ZUC_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 + +.. 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_zuc_versions: + +.. table:: DPDK and external crypto library version compatibility + + ============= ================================ + DPDK version Crypto library version + ============= ================================ + 16.11 - 19.11 LibSSO ZUC + 20.02+ Multi-buffer library 0.53 - 0.54 + ============= ================================ - make Initialization -------------- In order to enable this virtual crypto PMD, user must: -* Export the environmental variable LIBSSO_ZUC_PATH with the path where - the library was extracted (zuc folder). - -* Export the environmental variable LD_LIBRARY_PATH with the path - where the built libsso library is (LIBSSO_ZUC_PATH/build). - -* Build the LIBSSO_ZUC library (explained in Installation section). +* Build the multi buffer library (explained in Installation section). * Build DPDK as follows: .. code-block:: console - make config T=x86_64-native-linuxapp-gcc + make config T=x86_64-native-linux-gcc sed -i 's,\(CONFIG_RTE_LIBRTE_PMD_ZUC\)=n,\1=y,' build/.config make