Signed-off-by: Tomasz Jozwiak <[email protected]> Acked-by: Fiona Trahe <[email protected]> --- doc/guides/cryptodevs/qat.rst | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/doc/guides/cryptodevs/qat.rst b/doc/guides/cryptodevs/qat.rst index 77f8362..fa23a56 100644 --- a/doc/guides/cryptodevs/qat.rst +++ b/doc/guides/cryptodevs/qat.rst @@ -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 : -- 2.7.4
