X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fcryptodevs%2Faesni_mb.rst;h=63e060d75ffcc72f68050658fecafa9ab52b0fa5;hb=0e9f8507afcb4ddd53ced3ba2bc63e0e12590681;hp=60a891424f09d249672324d3e2214bd8e0f91bb7;hpb=ac61e233936975ea422e28df219f5b2673cb2d22;p=dpdk.git diff --git a/doc/guides/cryptodevs/aesni_mb.rst b/doc/guides/cryptodevs/aesni_mb.rst index 60a891424f..63e060d75f 100644 --- a/doc/guides/cryptodevs/aesni_mb.rst +++ b/doc/guides/cryptodevs/aesni_mb.rst @@ -1,40 +1,14 @@ -.. BSD LICENSE - Copyright(c) 2015 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. - -AESN-NI Multi Buffer Crytpo Poll Mode Driver +.. SPDX-License-Identifier: BSD-3-Clause + Copyright(c) 2015-2017 Intel Corporation. + +AESN-NI Multi Buffer Crypto Poll Mode Driver ============================================ The AESNI MB PMD (**librte_pmd_aesni_mb**) provides poll mode crypto driver support for utilizing Intel multi buffer library, see the white paper `Fast Multi-buffer IPsec Implementations on Intel® Architecture Processors -`_. +`_. The AES-NI MB PMD has current only been tested on Fedora 21 64-bit with gcc. @@ -45,60 +19,87 @@ AESNI MB PMD has support for: Cipher algorithms: -* RTE_CRYPTO_SYM_CIPHER_AES128_CBC -* RTE_CRYPTO_SYM_CIPHER_AES192_CBC -* RTE_CRYPTO_SYM_CIPHER_AES256_CBC -* RTE_CRYPTO_SYM_CIPHER_AES128_CTR -* RTE_CRYPTO_SYM_CIPHER_AES192_CTR -* RTE_CRYPTO_SYM_CIPHER_AES256_CTR +* RTE_CRYPTO_CIPHER_AES128_CBC +* RTE_CRYPTO_CIPHER_AES192_CBC +* RTE_CRYPTO_CIPHER_AES256_CBC +* RTE_CRYPTO_CIPHER_AES128_CTR +* RTE_CRYPTO_CIPHER_AES192_CTR +* RTE_CRYPTO_CIPHER_AES256_CTR +* RTE_CRYPTO_CIPHER_AES_DOCSISBPI +* RTE_CRYPTO_CIPHER_DES_CBC +* RTE_CRYPTO_CIPHER_3DES_CBC +* RTE_CRYPTO_CIPHER_DES_DOCSISBPI Hash algorithms: -* RTE_CRYPTO_SYM_HASH_SHA1_HMAC -* RTE_CRYPTO_SYM_HASH_SHA256_HMAC -* RTE_CRYPTO_SYM_HASH_SHA512_HMAC +* RTE_CRYPTO_HASH_MD5_HMAC +* RTE_CRYPTO_HASH_SHA1_HMAC +* RTE_CRYPTO_HASH_SHA224_HMAC +* RTE_CRYPTO_HASH_SHA256_HMAC +* RTE_CRYPTO_HASH_SHA384_HMAC +* RTE_CRYPTO_HASH_SHA512_HMAC +* RTE_CRYPTO_HASH_AES_XCBC_HMAC +* RTE_CRYPTO_HASH_AES_CMAC + +AEAD algorithms: + +* RTE_CRYPTO_AEAD_AES_CCM +* RTE_CRYPTO_AEAD_AES_GCM Limitations ----------- * Chained mbufs are not supported. -* Hash only is not supported. -* Cipher only is not supported. * Only in-place is currently supported (destination address is the same as source address). -* Only supports session-oriented API implementation (session-less APIs are not supported). -* Not performance tuned. + Installation ------------ -To build DPDK with the AESNI_MB_PMD the user is required to download the mult- -buffer library from `here `_ -and compile it on their user system before building DPDK. When building the -multi-buffer library it is necessary to have YASM package installed and also -requires the overriding of YASM path when building, as a path is hard coded in -the Makefile of the release package. +To build DPDK with the AESNI_MB_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 v0.50, which +can be downloaded from ``_. .. code-block:: console - make YASM=/usr/bin/yasm + make + make install + +As a reference, the following table shows a mapping between the past DPDK versions +and the Multi-Buffer library version supported by them: + +.. _table_aesni_mb_versions: + +.. table:: DPDK and Multi-Buffer library version compatibility + + ============== ============================ + DPDK version Multi-buffer library version + ============== ============================ + 2.2 - 16.11 0.43 - 0.44 + 17.02 0.44 + 17.05 - 17.08 0.45 - 0.48 + 17.11 0.47 - 0.48 + 18.02 0.48 + 18.05+ 0.49+ + ============== ============================ + 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_MB=y in config/common_base. To use the PMD in an application, user must: -* Call rte_eal_vdev_init("cryptodev_aesni_mb_pmd") within the application. +* Call rte_vdev_init("crypto_aesni_mb") within the application. -* Use --vdev="cryptodev_aesni_mb_pmd" in the EAL options, which will call rte_eal_vdev_init() internally. +* Use --vdev="crypto_aesni_mb" in the EAL options, which will call rte_vdev_init() internally. The following parameters (all optional) can be provided in the previous two calls: @@ -113,4 +114,18 @@ Example: .. code-block:: console - ./l2fwd-crypto -c 40 -n 4 --vdev="cryptodev_aesni_mb_pmd,socket_id=1,max_nb_sessions=128" + ./l2fwd-crypto -l 1 -n 4 --vdev="crypto_aesni_mb,socket_id=0,max_nb_sessions=128" \ + -- -p 1 --cdev SW --chain CIPHER_HASH --cipher_algo "aes-cbc" --auth_algo "sha1-hmac" + +Extra notes +----------- + +For AES Counter mode (AES-CTR), the library supports two different sizes for Initialization +Vector (IV): + +* 12 bytes: used mainly for IPSec, as it requires 12 bytes from the user, which internally + are appended the counter block (4 bytes), which is set to 1 for the first block + (no padding required from the user) + +* 16 bytes: when passing 16 bytes, the library will take them and use the last 4 bytes + as the initial counter block for the first block.