Add fabric port test to vslib. (sonic-net#737)

Signed-off-by: ngocdo <ngocdo@arista.com>

vslib/inc/Sai.h

@@ -416,6 +416,8 @@ namespace saivs
 
             std::shared_ptr<LaneMapContainer> m_laneMapContainer;
 
+            std::shared_ptr<LaneMapContainer> m_fabricLaneMapContainer;
+
             std::shared_ptr<ResourceLimiterContainer> m_resourceLimiterContainer;
 
             std::shared_ptr<CorePortIndexMapContainer> m_corePortIndexMapContainer;

vslib/inc/SwitchConfig.h

@@ -77,6 +77,8 @@ namespace saivs
 
             std::shared_ptr<LaneMap> m_laneMap;
 
+            std::shared_ptr<LaneMap> m_fabricLaneMap;
+
             std::shared_ptr<EventQueue> m_eventQueue;
 
             std::shared_ptr<ResourceLimiter> m_resourceLimiter;

vslib/inc/SwitchStateBase.h

@@ -61,6 +61,10 @@ namespace saivs
 
             virtual sai_status_t set_port_list();
 
+            virtual sai_status_t create_fabric_ports();
+
+            virtual sai_status_t set_fabric_port_list();
+
             virtual sai_status_t create_default_virtual_router();
 
             virtual sai_status_t create_default_stp_instance();
@@ -565,6 +569,8 @@ namespace saivs
             std::vector<sai_object_id_t> m_port_list;
             std::vector<sai_object_id_t> m_bridge_port_list_port_based;
 
+            std::vector<sai_object_id_t> m_fabric_port_list;
+
             std::vector<sai_acl_action_type_t> m_ingress_acl_action_list;
             std::vector<sai_acl_action_type_t> m_egress_acl_action_list;
 

vslib/inc/saivs.h

@@ -33,6 +33,18 @@ extern "C" {
  */
 #define SAI_KEY_VS_RESOURCE_LIMITER_FILE    "SAI_VS_RESOURCE_LIMITER_FILE"
 
+/**
+ * @def SAI_KEY_VS_INTERFACE_FABRIC_LANE_MAP_FILE
+ *
+ * If specified in profile.ini it should point to fabric port to lane map.
+ *
+ * Example:
+ * fabric0:1
+ * fabric1:2
+ *
+ */
+#define SAI_KEY_VS_INTERFACE_FABRIC_LANE_MAP_FILE  "SAI_VS_INTERFACE_FABRIC_LANE_MAP_FILE"
+
 /**
  * @def SAI_KEY_VS_HOSTIF_USE_TAP_DEVICE
  *

vslib/src/Sai.cpp

@@ -113,6 +113,12 @@ sai_status_t Sai::initialize(
 
     m_laneMapContainer = LaneMapFileParser::parseLaneMapFile(laneMapFile);
 
+    auto *fabricLaneMapFile = service_method_table->profile_get_value(0, SAI_KEY_VS_INTERFACE_FABRIC_LANE_MAP_FILE);
+    if (fabricLaneMapFile)
+    {
+        m_fabricLaneMapContainer = LaneMapFileParser::parseLaneMapFile(fabricLaneMapFile);
+    }
+
     auto *corePortIndexMapFile = service_method_table->profile_get_value(0, SAI_KEY_VS_CORE_PORT_INDEX_MAP_FILE);
 
     m_corePortIndexMapContainer = CorePortIndexMapFileParser::parseCorePortIndexMapFile(corePortIndexMapFile);
@@ -157,6 +163,10 @@ sai_status_t Sai::initialize(
     sc->m_switchIndex = 0;
     sc->m_useTapDevice = useTapDevice;
     sc->m_laneMap = m_laneMapContainer->getLaneMap(sc->m_switchIndex);
+    if (m_fabricLaneMapContainer)
+    {
+        sc->m_fabricLaneMap = m_fabricLaneMapContainer->getLaneMap(sc->m_switchIndex);
+    }
     sc->m_eventQueue = m_eventQueue;
     sc->m_resourceLimiter = m_resourceLimiterContainer->getResourceLimiter(sc->m_switchIndex);
     sc->m_corePortIndexMap = m_corePortIndexMapContainer->getCorePortIndexMap(sc->m_switchIndex);

vslib/src/SwitchStateBase.cpp

@@ -1768,6 +1768,9 @@ sai_status_t SwitchStateBase::refresh_port_list(
 
     const sai_object_id_t cpu_port_id = attr.value.oid;
 
+    std::unordered_set<sai_object_id_t> fabric_port_set(m_fabric_port_list.begin(),
+                                                        m_fabric_port_list.end());
+
     m_port_list.clear();
 
     // iterate via ASIC state to find all the ports
@@ -1782,6 +1785,10 @@ sai_status_t SwitchStateBase::refresh_port_list(
         if (port_id == cpu_port_id)
             continue;
 
+        // don't put fabric ports on the list
+        if (fabric_port_set.find(port_id) != fabric_port_set.end())
+            continue;
+
         m_port_list.push_back(port_id);
     }
 
@@ -1907,6 +1914,10 @@ sai_status_t SwitchStateBase::refresh_read_only(
             case SAI_SWITCH_ATTR_SYSTEM_PORT_LIST:
                 return refresh_system_port_list(meta);
 
+            case SAI_SWITCH_ATTR_NUMBER_OF_FABRIC_PORTS:
+            case SAI_SWITCH_ATTR_FABRIC_PORT_LIST:
+                return SAI_STATUS_SUCCESS;
+
             case SAI_SWITCH_ATTR_SUPPORTED_OBJECT_TYPE_LIST:
                 return SAI_STATUS_SUCCESS;
         }
@@ -1934,6 +1945,9 @@ sai_status_t SwitchStateBase::refresh_read_only(
 
             case SAI_PORT_ATTR_OPER_STATUS:
                 return SAI_STATUS_SUCCESS;
+
+            case SAI_PORT_ATTR_FABRIC_ATTACHED:
+                return SAI_STATUS_SUCCESS;
         }
     }
 
@@ -2652,6 +2666,10 @@ sai_status_t SwitchStateBase::initialize_voq_switch_objects(
 
     CHECK_STATUS(set_system_port_list());
 
+    CHECK_STATUS(create_fabric_ports());
+
+    CHECK_STATUS(set_fabric_port_list());
+
     return SAI_STATUS_SUCCESS;
 }
 
@@ -2783,6 +2801,83 @@ sai_status_t SwitchStateBase::refresh_system_port_list(
     return SAI_STATUS_SUCCESS;
 }
 
+sai_status_t SwitchStateBase::create_fabric_ports()
+{
+    SWSS_LOG_ENTER();
+
+    SWSS_LOG_INFO("create fabric ports");
+
+    auto map = m_switchConfig->m_fabricLaneMap;
+
+    if (!map)
+    {
+        SWSS_LOG_ERROR("fabric lane map for switch %s is NULL",
+                sai_serialize_object_id(m_switch_id).c_str());
+
+        return SAI_STATUS_FAILURE;
+    }
+
+    auto& lanesVector = map->getLaneVector();
+
+    uint32_t fabric_port_count = (uint32_t)lanesVector.size();
+
+    m_fabric_port_list.clear();
+
+    for (uint32_t i = 0; i < fabric_port_count; i++)
+    {
+        SWSS_LOG_DEBUG("create fabric port index %u", i);
+
+        sai_object_id_t fabric_port_id;
+
+        CHECK_STATUS(create(SAI_OBJECT_TYPE_PORT, &fabric_port_id, m_switch_id, 0, NULL));
+        m_fabric_port_list.push_back(fabric_port_id);
+
+        sai_attribute_t attr;
+
+        attr.id = SAI_PORT_ATTR_FABRIC_ATTACHED;
+        attr.value.booldata = false;
+
+        CHECK_STATUS(set(SAI_OBJECT_TYPE_PORT, fabric_port_id, &attr));
+
+        std::vector<uint32_t> lanes = lanesVector.at(i);
+
+        attr.id = SAI_PORT_ATTR_HW_LANE_LIST;
+        attr.value.u32list.count = (uint32_t)lanes.size();
+        attr.value.u32list.list = lanes.data();
+
+        CHECK_STATUS(set(SAI_OBJECT_TYPE_PORT, fabric_port_id, &attr));
+
+        attr.id = SAI_PORT_ATTR_TYPE;
+        attr.value.s32 = SAI_PORT_TYPE_FABRIC;
+
+        CHECK_STATUS(set(SAI_OBJECT_TYPE_PORT, fabric_port_id, &attr));
+    }
+
+    return SAI_STATUS_SUCCESS;
+}
+
+sai_status_t SwitchStateBase::set_fabric_port_list()
+{
+    SWSS_LOG_ENTER();
+
+    SWSS_LOG_INFO("set fabric port list");
+
+    sai_attribute_t attr;
+
+    uint32_t fabric_port_count = (uint32_t)m_fabric_port_list.size();
+
+    attr.id = SAI_SWITCH_ATTR_FABRIC_PORT_LIST;
+    attr.value.objlist.count = fabric_port_count;
+    attr.value.objlist.list = m_fabric_port_list.data();
+
+    CHECK_STATUS(set(SAI_OBJECT_TYPE_SWITCH, m_switch_id, &attr));
+
+    attr.id = SAI_SWITCH_ATTR_NUMBER_OF_FABRIC_PORTS;
+    attr.value.u32 = fabric_port_count;
+
+    return set(SAI_OBJECT_TYPE_SWITCH, m_switch_id, &attr);
+}
+
 sai_status_t SwitchStateBase::createVoqSystemNeighborEntry(
         _In_ const std::string &serializedObjectId,
         _In_ sai_object_id_t switch_id,