Add function to refresh macsec sa stat (#861)

Signed-off-by: Ze Gan <[email protected]>

Author: Pterosaur

vslib/inc/SwitchStateBase.h

@@ -152,6 +152,9 @@ namespace saivs
             virtual sai_status_t refresh_queue_pause_status(
                     _In_ sai_object_id_t object_id);
 
+            virtual sai_status_t refresh_macsec_sa_stat(
+                    _In_ sai_object_id_t object_id);
+
         public:
 
             virtual sai_status_t warm_boot_initialize_objects();

vslib/src/SwitchStateBase.cpp

@@ -2077,6 +2077,20 @@ sai_status_t SwitchStateBase::refresh_queue_pause_status(
     return SAI_STATUS_SUCCESS;
 }
 
+sai_status_t SwitchStateBase::refresh_macsec_sa_stat(
+        _In_ sai_object_id_t object_id)
+{
+    SWSS_LOG_ENTER();
+
+    sai_attribute_t attr;
+
+    attr.id = SAI_MACSEC_SA_ATTR_CURRENT_XPN;
+    CHECK_STATUS(getMACsecSAPacketNumber(object_id, attr));
+    CHECK_STATUS(set(SAI_OBJECT_TYPE_MACSEC_SA, object_id, &attr));
+
+    return SAI_STATUS_SUCCESS;
+}
+
 // XXX extra work may be needed on GET api if N on list will be > then actual
 
 /*
@@ -2231,6 +2245,11 @@ sai_status_t SwitchStateBase::refresh_read_only(
         return refresh_queue_pause_status(object_id);
     }
 
+    if (meta->objecttype == SAI_OBJECT_TYPE_MACSEC_SA)
+    {
+        return refresh_macsec_sa_stat(object_id);
+    }
+
     auto mmeta = m_meta.lock();
 
     if (mmeta)