[ovs-dev,v9,06/10] odp-execute: Add ISA implementation of actions.

diff --git a/Documentation/ref/ovs-actions.7.rst b/Documentation/ref/ovs-actions.7.rst
index b59b7634f..2410acc4a 100644
--- a/Documentation/ref/ovs-actions.7.rst
+++ b/Documentation/ref/ovs-actions.7.rst
@@ -125,6 +125,32 @@  the one added to the set later replaces the earlier action:
 
 An action set may only contain the actions listed above.
 
+Actions Implementations (Experimental)
+--------------------------------------
+
+Actions are used in OpenFlow flows to describe what to do when the flow
+matches a packet. Just like with the datapath interface, SIMD instructions
+with the userspace datapath can be applied to the action implementation to
+improve performance.
+
+OVS provides multiple implementations of the actions.
+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.
+
 Error Handling
 --------------
 
diff --git a/Documentation/topics/testing.rst b/Documentation/topics/testing.rst
index c15d5b38f..a6c747b18 100644
--- a/Documentation/topics/testing.rst
+++ b/Documentation/topics/testing.rst
@@ -361,12 +361,12 @@  testsuite.
 Userspace datapath: Testing and Validation of CPU-specific Optimizations
 ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
 
-As multiple versions of the datapath classifier and packet parsing functions
-can co-exist, each with different CPU ISA optimizations, it is important to
-validate that they all give the exact same results.  To easily test all the
-implementations, an ``autovalidator`` implementation of them exists.  This
-implementation runs all other available implementations, and verifies that the
-results are identical.
+As multiple versions of the datapath classifier, packet parsing functions and
+actions can co-exist, each with different CPU ISA optimizations, it is
+important to validate that they all give the exact same results.  To easily
+test all the implementations, an ``autovalidator`` implementation of them
+exists. This implementation runs all other available implementations, and
+verifies that the results are identical.
 
 Running the OVS unit tests with the autovalidator enabled ensures all
 implementations provide the same results.  Note that the performance of the
@@ -382,18 +382,26 @@  To set the autovalidator for the packet parser, use this command::
 
     $ ovs-appctl dpif-netdev/miniflow-parser-set autovalidator
 
+To set the autovalidator for actions, use this command::
+
+    $ ovs-appctl odp-execute/action-impl-set autovalidator
+
 To run the OVS unit test suite with the autovalidator as the default
 implementation, it is required to recompile OVS.  During the recompilation,
 the default priority of the `autovalidator` implementation is set to the
-maximum priority, ensuring every test will be run with every implementation::
+maximum priority, ensuring every test will be run with every implementation.
+Priority is only related to mfex autovalidator and not the actions
+autovalidator.::
 
-    $ ./configure --enable-autovalidator --enable-mfex-default-autovalidator
+    $ ./configure --enable-autovalidator --enable-mfex-default-autovalidator \
+        --enable-actions-default-autovalidator
 
 The following line should be seen in the configuration log when the above
 options are used::
 
     checking whether DPCLS Autovalidator is default implementation... yes
     checking whether MFEX Autovalidator is default implementation... yes
+    checking whether actions Autovalidator is default implementation... yes
 
 Compile OVS in debug mode to have `ovs_assert` statements error out if
 there is a mis-match in the datapath classifier lookup or packet parser
diff --git a/NEWS b/NEWS
index 2359b6bcf..fa2f7d535 100644
--- a/NEWS
+++ b/NEWS
@@ -55,6 +55,7 @@  Post-v2.17.0
        implementations available at run time.
      * Add build time configure command to enable auto-validator as default
        actions implementation at build time.
+     * Add AVX512 implementation of actions.
    - Linux datapath:
      * Add offloading meter tc police.
 
diff --git a/lib/cpu.c b/lib/cpu.c
index 2df003c51..0292f715e 100644
--- a/lib/cpu.c
+++ b/lib/cpu.c
@@ -53,6 +53,7 @@  X86_ISA(X86_EXT_FEATURES_LEAF, EBX, 16, OVS_CPU_ISA_X86_AVX512F)
 X86_ISA(X86_EXT_FEATURES_LEAF, EBX, 30, OVS_CPU_ISA_X86_AVX512BW)
 X86_ISA(X86_EXT_FEATURES_LEAF, ECX,  1, OVS_CPU_ISA_X86_AVX512VBMI)
 X86_ISA(X86_EXT_FEATURES_LEAF, ECX, 14, OVS_CPU_ISA_X86_VPOPCNTDQ)
+X86_ISA(X86_EXT_FEATURES_LEAF, EBX, 31, OVS_CPU_ISA_X86_AVX512VL)
 #endif
 
 bool
diff --git a/lib/cpu.h b/lib/cpu.h
index 92897bb71..3215229bc 100644
--- a/lib/cpu.h
+++ b/lib/cpu.h
@@ -25,6 +25,7 @@  enum ovs_cpu_isa {
     OVS_CPU_ISA_X86_AVX512F,
     OVS_CPU_ISA_X86_AVX512BW,
     OVS_CPU_ISA_X86_AVX512VBMI,
+    OVS_CPU_ISA_X86_AVX512VL,
     OVS_CPU_ISA_X86_VPOPCNTDQ,
     OVS_CPU_ISA_X86_LAST = OVS_CPU_ISA_X86_VPOPCNTDQ,
 };
diff --git a/lib/odp-execute-private.c b/lib/odp-execute-private.c
index 38be22ec9..f7fb60467 100644
--- a/lib/odp-execute-private.c
+++ b/lib/odp-execute-private.c
@@ -41,6 +41,14 @@  static struct odp_execute_action_impl action_impls[] = {
         .name = "scalar",
         .init_func = odp_action_scalar_init,
     },
+
+#ifdef ACTION_IMPL_AVX512_CHECK
+    [ACTION_IMPL_AVX512] = {
+        .available = false,
+        .name = "avx512",
+        .init_func = NULL,
+    },
+#endif
 };
 
 static void
diff --git a/lib/odp-execute-private.h b/lib/odp-execute-private.h
index d6eebbf37..1c636faeb 100644
--- a/lib/odp-execute-private.h
+++ b/lib/odp-execute-private.h
@@ -22,6 +22,9 @@ 
 #include "odp-netlink.h"
 #include "ovs-atomic.h"
 
+#define ACTION_IMPL_AVX512_CHECK (__x86_64__ && HAVE_AVX512F \
+    && HAVE_LD_AVX512_GOOD && __SSE4_2__)
+
 /* Forward declaration for typedef. */
 struct odp_execute_action_impl;
 
@@ -59,6 +62,9 @@  enum odp_execute_action_impl_idx {
      * Do not change the autovalidator position in this list without updating
      * the define below.
      */
+#ifdef ACTION_IMPL_AVX512_CHECK
+    ACTION_IMPL_AVX512,
+#endif
 
     ACTION_IMPL_MAX,
 };