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diff --git a/doc/guides/cryptodevs/kasumi.rst b/doc/guides/cryptodevs/kasumi.rst new file mode 100644 index 00000000..d6b3a975 --- /dev/null +++ b/doc/guides/cryptodevs/kasumi.rst @@ -0,0 +1,101 @@ +.. 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. + +KASUMI Crypto Poll Mode Driver +=============================== + +The KASUMI PMD (**librte_pmd_kasumi**) provides poll mode crypto driver +support for utilizing Intel Libsso library, which implements F8 and F9 functions +for KASUMI UEA1 cipher and UIA1 hash algorithms. + +Features +-------- + +KASUMI PMD has support for: + +Cipher algorithm: + +* RTE_CRYPTO_SYM_CIPHER_KASUMI_F8 + +Authentication algorithm: + +* RTE_CRYPTO_SYM_AUTH_KASUMI_F9 + +Limitations +----------- + +* Chained mbufs are not supported. +* KASUMI(F9) supported only if hash offset field is byte-aligned. + +Installation +------------ + +To build DPDK with the KASUMI_PMD the user is required to download +the export controlled ``libsso_kasumi`` library, by requesting it from +`<https://networkbuilders.intel.com/network-technologies/dpdk>`_. +Once approval has been granted, the user needs to log in +`<https://networkbuilders.intel.com/dpdklogin>`_ +and click on "Kasumi Bit Stream crypto library" link, to download the library. +After downloading the library, the user needs to unpack and compile it +on their system before building DPDK:: + + make kasumi + +Initialization +-------------- + +In order to enable this virtual crypto PMD, user must: + +* Export the environmental variable LIBSSO_KASUMI_PATH with the path where + the library was extracted (kasumi folder). + +* Build the LIBSSO library (explained in Installation section). + +* Set CONFIG_RTE_LIBRTE_PMD_KASUMI=y in config/common_base. + +To use the PMD in an application, user must: + +* Call rte_eal_vdev_init("cryptodev_kasumi_pmd") within the application. + +* Use --vdev="cryptodev_kasumi_pmd" in the EAL options, which will call rte_eal_vdev_init() internally. + +The following parameters (all optional) can be provided in the previous two calls: + +* socket_id: Specify the socket where the memory for the device is going to be allocated + (by default, socket_id will be the socket where the core that is creating the PMD is running on). + +* max_nb_queue_pairs: Specify the maximum number of queue pairs in the device (8 by default). + +* max_nb_sessions: Specify the maximum number of sessions that can be created (2048 by default). + +Example: + +.. code-block:: console + + ./l2fwd-crypto -c 40 -n 4 --vdev="cryptodev_kasumi_pmd,socket_id=1,max_nb_sessions=128" |