[dpdk-dev,4/4] doc/qat: document libcrypto detection
Checks
Commit Message
Signed-off-by: Tomasz Jozwiak <tomaszx.jozwiak@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
---
doc/guides/cryptodevs/qat.rst | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
@@ -71,7 +71,10 @@ Limitations
Installation
------------
-To enable QAT in DPDK, follow the instructions for modifying the compile-time
+QAT PMD is enabled by default in DPDK, but depends on libcrypto. If this library is detected
+the driver will be enabled and compiled.
+
+To setup QAT in DPDK, follow the instructions for modifying the compile-time
configuration file as described `here <http://dpdk.org/doc/guides/linux_gsg/build_dpdk.html>`_.
Quick instructions are as follows:
@@ -80,9 +83,11 @@ Quick instructions are as follows:
cd to the top-level DPDK directory
make config T=x86_64-native-linuxapp-gcc
- sed -i 's,\(CONFIG_RTE_LIBRTE_PMD_QAT\)=n,\1=y,' build/.config
make
+.. Note::
+ To libcrypto detection - pkg_config is needed and should be installed in the system.
+
To use the DPDK QAT PMD an SRIOV-enabled QAT kernel driver is required. The VF
devices exposed by this driver will be used by the QAT PMD. The devices and
available kernel drivers and device ids are :