Enable SAI_SWITCH_ATTR_UNINIT_DATA_PLANE_ON_REMOVAL attribute (sonic-net#975)

Enable SAI_SWITCH_ATTR_UNINIT_DATA_PLANE_ON_REMOVAL attribute for all platforms based on capability

Signed-off-by: Thushar Gowda <[email protected]>

Author: tbgowda

configure.ac

@@ -16,7 +16,6 @@ AX_CODE_COVERAGE
 AX_ADD_AM_MACRO_STATIC([])
 
 AM_CONDITIONAL(SONIC_ASIC_PLATFORM_BAREFOOT,   test x$CONFIGURED_PLATFORM = xbarefoot)
-AM_CONDITIONAL(SONIC_ASIC_PLATFORM_MELLANOX,   test x$CONFIGURED_PLATFORM = xmellanox)
 
 AC_ARG_ENABLE(debug,
 [  --enable-debug          turn on debugging],

syncd/Makefile.am

@@ -68,11 +68,6 @@ syncd_CXXFLAGS += -DSAITHRIFT=yes
 syncd_LDADD += -lrpcserver -lthrift
 endif
 
-if SONIC_ASIC_PLATFORM_MELLANOX
-syncd_CXXFLAGS += -DSAI_SUPPORT_UNINIT_DATA_PLANE_ON_REMOVAL
-libSyncd_a_CXXFLAGS += -DSAI_SUPPORT_UNINIT_DATA_PLANE_ON_REMOVAL
-endif
-
 libSyncdRequestShutdown_a_SOURCES = \
 									RequestShutdown.cpp \
 									RequestShutdownCommandLineOptions.cpp \

syncd/Syncd.cpp

@@ -4393,15 +4393,36 @@ sai_status_t Syncd::setUninitDataPlaneOnRemovalOnAllSwitches()
 
         auto strRid = sai_serialize_object_id(rid);
 
-        auto status = m_vendorSai->set(SAI_OBJECT_TYPE_SWITCH, rid, &attr);
+        sai_attr_capability_t attr_capability = {};
 
-        if (status != SAI_STATUS_SUCCESS)
+        sai_status_t queryStatus;
+
+        queryStatus = sai_query_attribute_capability(rid,
+                                                     SAI_OBJECT_TYPE_SWITCH,
+                                                     SAI_SWITCH_ATTR_UNINIT_DATA_PLANE_ON_REMOVAL,
+                                                     &attr_capability);
+        if (queryStatus != SAI_STATUS_SUCCESS)
         {
-            SWSS_LOG_ERROR("Failed to set SAI_SWITCH_ATTR_UNINIT_DATA_PLANE_ON_REMOVAL=false: %s:%s",
-                    strRid.c_str(),
-                    sai_serialize_status(status).c_str());
+            SWSS_LOG_ERROR("Failed to get SAI_SWITCH_ATTR_UNINIT_DATA_PLANE_ON_REMOVAL capabilities: %s:%s",
+                           strRid.c_str(),
+                           sai_serialize_status(queryStatus).c_str());
 
-            result = status;
+            result = queryStatus;
+            continue;
+        }
+
+        if (attr_capability.set_implemented)
+        {
+            auto status = m_vendorSai->set(SAI_OBJECT_TYPE_SWITCH, rid, &attr);
+
+            if (status != SAI_STATUS_SUCCESS)
+            {
+                SWSS_LOG_ERROR("Failed to set SAI_SWITCH_ATTR_UNINIT_DATA_PLANE_ON_REMOVAL=false: %s:%s",
+                               strRid.c_str(),
+                               sai_serialize_status(status).c_str());
+
+                result = status;
+            }
         }
     }
 
@@ -4650,15 +4671,11 @@ void Syncd::run()
         }
     }
 
-#ifdef SAI_SUPPORT_UNINIT_DATA_PLANE_ON_REMOVAL
-
     if (shutdownType == SYNCD_RESTART_TYPE_FAST || shutdownType == SYNCD_RESTART_TYPE_WARM)
     {
         setUninitDataPlaneOnRemovalOnAllSwitches();
     }
 
-#endif
-
     m_manager->removeAllCounters();
 
     sai_status_t status = removeAllSwitches();