1947bd1858
This patch adds Scatter-Gather List (SGL) feature to QAT compression PMD. Signed-off-by: Tomasz Jozwiak <tomaszx.jozwiak@intel.com> Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
48 lines
959 B
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48 lines
959 B
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.. SPDX-License-Identifier: BSD-3-Clause
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Copyright(c) 2018 Intel Corporation.
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Intel(R) QuickAssist (QAT) Compression Poll Mode Driver
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=======================================================
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The QAT compression PMD provides poll mode compression & decompression driver
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support for the following hardware accelerator devices:
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* ``Intel QuickAssist Technology C62x``
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* ``Intel QuickAssist Technology C3xxx``
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Features
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--------
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QAT compression PMD has support for:
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Compression/Decompression algorithm:
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* DEFLATE
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Huffman code type:
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* FIXED
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Window size support:
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* 32K
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Checksum generation:
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* CRC32, Adler and combined checksum
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Limitations
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-----------
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* Compressdev level 0, no compression, is not supported.
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* Dynamic Huffman encoding is not yet supported.
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Installation
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------------
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The QAT compression PMD is built by default with a standard DPDK build.
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It depends on a QAT kernel driver, see :ref:`qat_kernel_installation`.
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