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Diffstat (limited to 'Documentation/topics/dpdk/bridge.rst')
| -rw-r--r-- | Documentation/topics/dpdk/bridge.rst | 30 |
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diff --git a/Documentation/topics/dpdk/bridge.rst b/Documentation/topics/dpdk/bridge.rst index 1f626c7c2..354f1ced1 100644 --- a/Documentation/topics/dpdk/bridge.rst +++ b/Documentation/topics/dpdk/bridge.rst @@ -321,3 +321,33 @@ following command:: ``scalar`` can be selected on core ``3`` by the following command:: $ ovs-appctl dpif-netdev/miniflow-parser-set -pmd 3 scalar + + +Actions Implementations (Experimental) +-------------------------------------- + +Actions describe what processing or modification should be performed on a +packet when it matches a given flow. Similar to the datapath interface, +DPCLS and MFEX (see above), the implementation of these actions can be +accelerated using SIMD instructions, resulting in improved performance. + +OVS provides multiple implementations of the actions, however some +implementations requiring a CPU capable of executing the required SIMD +instructions. + +Available implementations can be listed with the following command:: + + $ ovs-appctl odp-execute/action-impl-show + Available Actions implementations: + scalar (available: Yes, active: Yes) + autovalidator (available: Yes, active: No) + avx512 (available: Yes, active: No) + +By default, ``scalar`` is used. Implementations can be selected by +name:: + + $ ovs-appctl odp-execute/action-impl-set avx512 + Action implementation set to avx512. + + $ ovs-appctl odp-execute/action-impl-set scalar + Action implementation set to scalar. |