X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fcryptodevs%2Faesni_gcm.rst;h=151aa30606a53d9935d75e6487736e6644fc108e;hb=b0a9354ae7850bc1fca1a518cca28c5c8e9ba8f6;hp=ffd6ba909b15b4f20d0f0d523c7fb2d33df8bb2e;hpb=5630257fcc30397e7217139ec55da4f301f59fb7;p=dpdk.git diff --git a/doc/guides/cryptodevs/aesni_gcm.rst b/doc/guides/cryptodevs/aesni_gcm.rst index ffd6ba909b..151aa30606 100644 --- a/doc/guides/cryptodevs/aesni_gcm.rst +++ b/doc/guides/cryptodevs/aesni_gcm.rst @@ -1,5 +1,5 @@ .. SPDX-License-Identifier: BSD-3-Clause - Copyright(c) 2016-2017 Intel Corporation. + Copyright(c) 2016-2019 Intel Corporation. AES-NI GCM Crypto Poll Mode Driver ================================== @@ -22,11 +22,12 @@ AEAD algorithms: * RTE_CRYPTO_AEAD_AES_GCM - Limitations ----------- -* Chained mbufs are supported but only out-of-place (destination mbuf must be contiguous). +* In out-of-place operations, chained destination mbufs are not supported. +* Chained mbufs are only supported by RTE_CRYPTO_AEAD_AES_GCM algorithm, + not RTE_CRYPTO_AUTH_AES_GMAC. * Cipher only is not supported. @@ -36,12 +37,13 @@ Installation To build DPDK with the AESNI_GCM_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 v0.48, which -can be downloaded in ``_. +The latest version of the library supported by this PMD is v0.53, which +can be downloaded in ``_. .. code-block:: console - make + make + make install As a reference, the following table shows a mapping between the past DPDK versions and the external crypto libraries supported by them: @@ -55,7 +57,9 @@ and the external crypto libraries supported by them: ============= ================================ 16.04 - 16.11 Multi-buffer library 0.43 - 0.44 17.02 - 17.05 ISA-L Crypto v2.18 - 17.08+ Multi-buffer library 0.46+ + 17.08 - 18.02 Multi-buffer library 0.46 - 0.48 + 18.05 - 19.02 Multi-buffer library 0.49 - 0.52 + 19.05+ Multi-buffer library 0.52 - 0.53 ============= ================================ @@ -64,9 +68,6 @@ Initialization In order to enable this virtual crypto PMD, user must: -* Export the environmental variable AESNI_MULTI_BUFFER_LIB_PATH with the path where - the library was extracted. - * Build the multi buffer library (explained in Installation section). * Set CONFIG_RTE_LIBRTE_PMD_AESNI_GCM=y in config/common_base.