X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fcryptodevs%2Faesni_mb.rst;h=a2c3a848141cf2722751b951c56abda7ad11a6b9;hb=9eb974221f44cf210fe5d883bdccfcb48de75fc6;hp=a492b6f10c27e1280652c35e43497b0e1fe1c6fb;hpb=6b72aad61f09b870427f4ebcedae525a985bb37a;p=dpdk.git diff --git a/doc/guides/cryptodevs/aesni_mb.rst b/doc/guides/cryptodevs/aesni_mb.rst index a492b6f10c..a2c3a84814 100644 --- a/doc/guides/cryptodevs/aesni_mb.rst +++ b/doc/guides/cryptodevs/aesni_mb.rst @@ -1,43 +1,20 @@ -.. 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) 2015-2018 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. +The AES-NI MB PMD supports synchronous mode of operation with +``rte_cryptodev_sym_cpu_crypto_process`` function call. + Features -------- @@ -51,21 +28,38 @@ Cipher algorithms: * 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_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 +* RTE_CRYPTO_HASH_AES_GMAC +* RTE_CRYPTO_HASH_SHA1 +* RTE_CRYPTO_HASH_SHA224 +* RTE_CRYPTO_HASH_SHA256 +* RTE_CRYPTO_HASH_SHA384 +* RTE_CRYPTO_HASH_SHA512 + +AEAD algorithms: + +* RTE_CRYPTO_AEAD_AES_CCM +* RTE_CRYPTO_AEAD_AES_GCM Limitations ----------- * Chained mbufs are 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). + Installation ------------ @@ -73,30 +67,55 @@ Installation 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 v0.44, which -can be downloaded in ``_. +The latest version of the library supported by this PMD is v0.54, which +can be downloaded from ``_. .. code-block:: console - make + 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 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 - 19.02 0.49 - 0.52 + 19.05 - 19.08 0.52 + 19.11+ 0.52 - 0.54 + ============== ============================ + 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("crypto_aesni_mb") within the application. +* Call rte_vdev_init("crypto_aesni_mb") within the application. -* Use --vdev="crypto_aesni_mb" 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: @@ -111,4 +130,18 @@ Example: .. code-block:: console - ./l2fwd-crypto -c 40 -n 4 --vdev="crypto_aesni_mb,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.