diff --git a/xoa_driver/internals/commands/enums.py b/xoa_driver/internals/commands/enums.py
index ad493fab..f0b16e98 100644
--- a/xoa_driver/internals/commands/enums.py
+++ b/xoa_driver/internals/commands/enums.py
@@ -1192,10 +1192,27 @@ class MulticastHeaderFormat(IntEnum):
 
 
 class PFCMode(IntEnum):
-    """Priority Flow Control (PFC) Mode"""
-
+    """The PFC CoS value of the stream"""
+    ZERO = 0
+    """the PFC CoS value = 0"""
+    ONE = 1
+    """the PFC CoS value = 1"""
+    TWO = 2
+    """the PFC CoS value = 2"""
+    THREE = 3
+    """the PFC CoS value = 3"""
+    FOUR = 4
+    """the PFC CoS value = 4"""
+    FIVE = 5
+    """the PFC CoS value = 5"""
+    SIX = 6
+    """the PFC CoS value = 6"""
+    SEVEN = 7
+    """the PFC CoS value = 7"""
     VLAN_PCP = 128
-    """VLAN PCP"""
+    """PFC CoS value is automatically using the outer VLAN PCP value of the stream. If the VLAN field is missing, the stream won't have a PFC CoS."""
+    OFF = 129
+    """Remove PFC CoS value of the stream."""
 
 
 class PRBSOnOff(IntEnum):
diff --git a/xoa_driver/internals/commands/ps_commands.py b/xoa_driver/internals/commands/ps_commands.py
index 579d4f87..55a20847 100644
--- a/xoa_driver/internals/commands/ps_commands.py
+++ b/xoa_driver/internals/commands/ps_commands.py
@@ -2078,7 +2078,7 @@ def set(self, hex_data: Hex) -> Token[None]:
 @dataclass
 class PS_PFCPRIORITY:
     """
-    Set and get the Priority Flow Control (PFC) mode.
+    Set and get the Priority Flow Control (PFC) Cos value of a stream.
     """
 
     code: typing.ClassVar[int] = 219
@@ -2090,27 +2090,27 @@ class PS_PFCPRIORITY:
     _stream_xindex: int
 
     class GetDataAttr(ResponseBodyStruct):
-        pcp: PFCMode = field(XmpByte())
-        """coded byte, Priority Flow Control mode."""
+        cos: PFCMode = field(XmpByte())
+        """coded byte, the Priority Flow Control (PFC) Cos value of a stream."""
 
     class SetDataAttr(RequestBodyStruct):
-        pcp: PFCMode = field(XmpByte())
-        """coded byte, Priority Flow Control mode."""
+        cos: PFCMode = field(XmpByte())
+        """coded byte, the Priority Flow Control (PFC) Cos value of a stream."""
 
     def get(self) -> Token[GetDataAttr]:
-        """Get the Priority Flow Control (PFC) mode of a stream.
+        """Get the the Priority Flow Control (PFC) Cos value of a stream.
 
-        :return: the Priority Flow Control mode of the stream
+        :return: the Priority Flow Control (PFC) Cos value of a stream.
         :rtype: PS_PFCPRIORITY.GetDataAttr
         """
 
         return Token(self._connection, build_get_request(self, module=self._module, port=self._port, indices=[self._stream_xindex]))
 
-    def set(self, pcp: PFCMode) -> Token[None]:
-        """Set the Priority Flow Control (PFC) mode of a stream.
+    def set(self, cos: PFCMode) -> Token[None]:
+        """Set the Priority Flow Control (PFC) Cos value of a stream.
 
-        :param pcp: the Priority Flow Control mode of the stream
-        :type pcp: str
+        :param cos: the Priority Flow Control (PFC) Cos value of a stream.
+        :type cos: PFCMode
         """
 
-        return Token(self._connection, build_set_request(self, module=self._module, port=self._port, indices=[self._stream_xindex], pcp=pcp))
+        return Token(self._connection, build_set_request(self, module=self._module, port=self._port, indices=[self._stream_xindex], cos=cos))