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Diffstat (limited to 'doc/guides/cryptodevs/aesni_mb.rst')
| -rw-r--r-- | doc/guides/cryptodevs/aesni_mb.rst | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/doc/guides/cryptodevs/aesni_mb.rst b/doc/guides/cryptodevs/aesni_mb.rst index ecb52a10..b3b937fe 100644 --- a/doc/guides/cryptodevs/aesni_mb.rst +++ b/doc/guides/cryptodevs/aesni_mb.rst @@ -1,5 +1,5 @@ .. BSD LICENSE - Copyright(c) 2015 Intel Corporation. All rights reserved. + Copyright(c) 2015-2017 Intel Corporation. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions @@ -68,7 +68,7 @@ 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 ------------ @@ -76,8 +76,8 @@ Installation To build DPDK with the AESNI_MB_PMD the user is required to download the multi-buffer library from `here <https://github.com/01org/intel-ipsec-mb>`_ and compile it on their user system before building DPDK. -The latest version of the library supported by this PMD is v0.45, which -can be downloaded in `<https://github.com/01org/intel-ipsec-mb/archive/v0.45.zip>`_. +The latest version of the library supported by this PMD is v0.46, which +can be downloaded in `<https://github.com/01org/intel-ipsec-mb/archive/v0.46.zip>`_. .. code-block:: console @@ -95,7 +95,7 @@ and the Multi-Buffer library version supported by them: ============= ============================ 2.2 - 16.11 0.43 - 0.44 17.02 0.44 - 17.05 0.45 + 17.05+ 0.45+ ============= ============================ @@ -130,4 +130,18 @@ Example: .. code-block:: console - ./l2fwd-crypto -l 6 -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. |