[hash]: Implement GH backend (#2598)

* [hash]: Implement GH backend as per HLD: sonic-net/SONiC#1101

Author: nazariig

orchagent/Makefile.am

@@ -1,6 +1,7 @@
 INCLUDES = -I $(top_srcdir)/lib \
            -I $(top_srcdir) \
            -I $(top_srcdir)/warmrestart \
+           -I switch \
            -I flex_counter \
            -I debug_counter \
            -I pbh \
@@ -73,6 +74,8 @@ orchagent_SOURCES = \
             pbhorch.cpp \
             saihelper.cpp \
             saiattr.cpp \
+            switch/switch_capabilities.cpp \
+            switch/switch_helper.cpp \
             switchorch.cpp \
             pfcwdorch.cpp \
             pfcactionhandler.cpp \

orchagent/orchdaemon.cpp

@@ -111,11 +111,13 @@ bool OrchDaemon::init()
 
     gCrmOrch = new CrmOrch(m_configDb, CFG_CRM_TABLE_NAME);
 
-    TableConnector stateDbSwitchTable(m_stateDb, "SWITCH_CAPABILITY");
+    TableConnector stateDbSwitchTable(m_stateDb, STATE_SWITCH_CAPABILITY_TABLE_NAME);
     TableConnector app_switch_table(m_applDb, APP_SWITCH_TABLE_NAME);
     TableConnector conf_asic_sensors(m_configDb, CFG_ASIC_SENSORS_TABLE_NAME);
+    TableConnector conf_switch_hash(m_configDb, CFG_SWITCH_HASH_TABLE_NAME);
 
     vector<TableConnector> switch_tables = {
+        conf_switch_hash,
         conf_asic_sensors,
         app_switch_table
     };

orchagent/p4orch/tests/Makefile.am

@@ -26,6 +26,8 @@ p4orch_tests_SOURCES = $(ORCHAGENT_DIR)/orch.cpp \
 		       $(ORCHAGENT_DIR)/vrforch.cpp \
 		       $(ORCHAGENT_DIR)/vxlanorch.cpp \
 		       $(ORCHAGENT_DIR)/copporch.cpp \
+		       $(ORCHAGENT_DIR)/switch/switch_capabilities.cpp \
+		       $(ORCHAGENT_DIR)/switch/switch_helper.cpp \
 		       $(ORCHAGENT_DIR)/switchorch.cpp \
 		       $(ORCHAGENT_DIR)/request_parser.cpp \
 		       $(ORCHAGENT_DIR)/flex_counter/flex_counter_manager.cpp \

orchagent/p4orch/tests/test_main.cpp

@@ -72,6 +72,7 @@ sai_acl_api_t *sai_acl_api;
 sai_policer_api_t *sai_policer_api;
 sai_virtual_router_api_t *sai_virtual_router_api;
 sai_hostif_api_t *sai_hostif_api;
+sai_hash_api_t *sai_hash_api;
 sai_switch_api_t *sai_switch_api;
 sai_mirror_api_t *sai_mirror_api;
 sai_udf_api_t *sai_udf_api;
@@ -191,6 +192,7 @@ int main(int argc, char *argv[])
     sai_policer_api_t policer_api;
     sai_virtual_router_api_t virtual_router_api;
     sai_hostif_api_t hostif_api;
+    sai_hash_api_t hash_api;
     sai_switch_api_t switch_api;
     sai_mirror_api_t mirror_api;
     sai_udf_api_t udf_api;
@@ -207,6 +209,7 @@ int main(int argc, char *argv[])
     sai_policer_api = &policer_api;
     sai_virtual_router_api = &virtual_router_api;
     sai_hostif_api = &hostif_api;
+    sai_hash_api = &hash_api;
     sai_switch_api = &switch_api;
     sai_mirror_api = &mirror_api;
     sai_udf_api = &udf_api;