Add some comments.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9280 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Include/Protocol/Ip6.h

@@ -44,6 +44,7 @@ typedef struct _EFI_IP6_PROTOCOL EFI_IP6_PROTOCOL;
 
 ///
 /// EFI_IP6_ADDRESS_PAIR 
+/// which is not defined in the UEFI 2.3 Specification.
 ///
 typedef struct{ 
   ///
@@ -62,6 +63,7 @@ typedef struct{
 
 ///
 /// EFI_IP6_VARIABLE_DATA
+/// which is not defined in the UEFI 2.3 Specification.
 ///
 typedef struct {
   ///

MdePkg/Include/Protocol/Mtftp4.h

@@ -323,6 +323,7 @@ EFI_STATUS
                        the caller.
 
   @retval EFI_SUCCESS              An MTFTPv4 OACK packet was received and is in the Packet.
+                                   Note: It does not match UEFI 2.3 Specification.
   @retval EFI_INVALID_PARAMETER    One or more of the following conditions is TRUE:
                                    - This is NULL.
                                    - Filename is NULL.
@@ -340,11 +341,17 @@ EFI_STATUS
   @retval EFI_OUT_OF_RESOURCES     Required system resources could not be allocated.
   @retval EFI_TFTP_ERROR           An MTFTPv4 ERROR packet was received and is in the Packet.
   @retval EFI_NETWORK_UNREACHABLE  An ICMP network unreachable error packet was received and the Packet is set to NULL.
+                                   Note: It is not defined in UEFI 2.3 Specification.
   @retval EFI_HOST_UNREACHABLE     An ICMP host unreachable error packet was received and the Packet is set to NULL.
+                                   Note: It is not defined in UEFI 2.3 Specification.
   @retval EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received and the Packet is set to NULL.
+                                   Note: It is not defined in UEFI 2.3 Specification.
   @retval EFI_PORT_UNREACHABLE     An ICMP port unreachable error packet was received and the Packet is set to NULL.
+                                   Note: It is not defined in UEFI 2.3 Specification.
   @retval EFI_ICMP_ERROR           Some other ICMP ERROR packet was received and is in the Buffer.
+                                   Note: It does not match UEFI 2.3 Specification.
   @retval EFI_PROTOCOL_ERROR       An unexpected MTFTPv4 packet was received and is in the Packet.
+                                   Note: It does not match UEFI 2.3 Specification.
   @retval EFI_TIMEOUT              No responses were received from the MTFTPv4 server.
   @retval EFI_DEVICE_ERROR         An unexpected network error or system error occurred.
 
@@ -406,12 +413,18 @@ EFI_STATUS
   @retval EFI_OUT_OF_RESOURCES     Required system resources could not be allocated.
   @retval EFI_BUFFER_TOO_SMALL     BufferSize is not zero but not large enough to hold the
                                    downloaded data in downloading process.
+								   Note: It does not match UEFI 2.3 Specification.
   @retval EFI_ABORTED              Current operation is aborted by user.
   @retval EFI_NETWORK_UNREACHABLE  An ICMP network unreachable error packet was received.
+                                   Note: It is not defined in UEFI 2.3 Specification.
   @retval EFI_HOST_UNREACHABLE     An ICMP host unreachable error packet was received.
+                                   Note: It is not defined in UEFI 2.3 Specification.
   @retval EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received.
+                                   Note: It is not defined in UEFI 2.3 Specification.
   @retval EFI_PORT_UNREACHABLE     An ICMP port unreachable error packet was received.
+                                   Note: It is not defined in UEFI 2.3 Specification.
   @retval EFI_ICMP_ERROR           Some other  ICMP ERROR packet was received.
+                                   Note: It does not match UEFI 2.3 Specification.
   @retval EFI_TIMEOUT              No responses were received from the MTFTPv4 server.
   @retval EFI_TFTP_ERROR           An MTFTPv4 ERROR packet was received.
   @retval EFI_DEVICE_ERROR         An unexpected network error or system error occurred.

MdePkg/Include/Protocol/Mtftp6.h

@@ -503,15 +503,19 @@ EFI_STATUS
                                  - MtftpConfigData.StationIp is neither zero nor one 
                                    of the configured IP addresses in the underlying IPv6 driver.
                                  - MtftpCofigData.ServerIp is not a valid IPv6 unicast address.
+                                 Note: It does not match UEFI 2.3 Specification.
   @retval  EFI_ACCESS_DENIED     - The configuration could not be changed at this time because there 
                                    is some MTFTP background operation in progress.
                                  - MtftpCofigData.LocalPort is already in use.
+								 Note: It does not match UEFI 2.3 Specification.
   @retval  EFI_NO_MAPPING        The underlying IPv6 driver was responsible for choosing a source 
                                  address for this instance, but no source address was available for use.
   @retval  EFI_OUT_OF_RESOURCES  The EFI MTFTPv6 Protocol driver instance data could not be 
                                  allocated.
+								 Note: It is not defined in UEFI 2.3 Specification.
   @retval  EFI_DEVICE_ERROR      An unexpected system or network error occurred. The EFI 
                                  MTFTPv6 Protocol driver instance is not configured.
+								 Note: It is not defined in UEFI 2.3 Specification.
 
 
 **/
@@ -544,6 +548,7 @@ EFI_STATUS
                                  the caller.
 
   @retval  EFI_SUCCESS              An MTFTPv6 OACK packet was received and is in the Packet.
+                                    Note: It does not match UEFI 2.3 Specification.
   @retval  EFI_INVALID_PARAMETER    One or more of the following conditions is TRUE:
                                     - This is NULL.
                                     - Filename is NULL
@@ -560,10 +565,14 @@ EFI_STATUS
   @retval  EFI_OUT_OF_RESOURCES     Required system resources could not be allocated.
   @retval  EFI_TFTP_ERROR           An MTFTPv6 ERROR packet was received and is in the Packet.
   @retval  EFI_NETWORK_UNREACHABLE  An ICMP network unreachable error packet was received and the Packet is set to NULL.
+                                    Note: It is not defined in UEFI 2.3 Specification.
   @retval  EFI_HOST_UNREACHABLE     An ICMP host unreachable error packet was received and the Packet is set to NULL.
+                                    Note: It is not defined in UEFI 2.3 Specification.
   @retval  EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received and the Packet is set to NULL.
+                                    Note: It is not defined in UEFI 2.3 Specification.
   @retval  EFI_PORT_UNREACHABLE     An ICMP port unreachable error packet was received and the Packet is set to NULL.
   @retval  EFI_ICMP_ERROR           Some other ICMP ERROR packet was received and the Packet is set to NULL.
+                                    Note: It does not match UEFI 2.3 Specification.
   @retval  EFI_PROTOCOL_ERROR       An unexpected MTFTPv6 packet was received and is in the Packet.
   @retval  EFI_TIMEOUT              No responses were received from the MTFTPv6 server.
   @retval  EFI_DEVICE_ERROR         An unexpected network error or system error occurred.
@@ -645,11 +654,16 @@ EFI_STATUS
   @retval  EFI_OUT_OF_RESOURCES     Required system resources could not be allocated.
   @retval  EFI_BUFFER_TOO_SMALL     BufferSize is not zero but not large enough to hold the
                                     downloaded data in downloading process.
+									Note: It does not match UEFI 2.3 Specification.
   @retval  EFI_ABORTED              Current operation is aborted by user.
   @retval  EFI_NETWORK_UNREACHABLE  An ICMP network unreachable error packet was received.
+                                    Note: It is not defined in UEFI 2.3 Specification.
   @retval  EFI_HOST_UNREACHABLE     An ICMP host unreachable error packet was received.
+                                    Note: It is not defined in UEFI 2.3 Specification.
   @retval  EFI_PROTOCOL_UNREACHABLE An ICMP protocol unreachable error packet was received.
+                                    Note: It is not defined in UEFI 2.3 Specification.
   @retval  EFI_PORT_UNREACHABLE     An ICMP port unreachable error packet was received.
+                                    Note: It is not defined in UEFI 2.3 Specification.
   @retval  EFI_ICMP_ERROR           An ICMP ERROR packet was received.
   @retval  EFI_TIMEOUT              No responses were received from the MTFTPv6 server.
   @retval  EFI_TFTP_ERROR           An MTFTPv6 ERROR packet was received.

MdePkg/Include/Protocol/Tcp4.h

@@ -128,6 +128,7 @@ typedef struct {
   ///                           either by instance itself or the communication peer.
   /// EFI_CONNECTION_REFUSED:   The connect fails because this connection is initiated with
   ///                           an active open and the connection is refused.
+  ///                           Note: It is not defined in UEFI 2.3 Specification.
   /// EFI_ABORTED:              The active open is aborted.
   /// EFI_TIMEOUT:              The connection establishment timer expires and 
   ///                           no more specific information is available.
@@ -180,6 +181,7 @@ typedef struct {
   /// EFI_CONNECTION_FIN:       The receiving operation fails because the communication peer 
   ///                           has closed the connection and there is no more data in the 
   ///                           receive buffer of the instance.
+  ///                           Note: It is not defined in UEFI 2.3 Specification.
   /// EFI_CONNECTION_RESET:     The receiving or transmission operation fails
   ///                           because this connection is reset either by instance 
   ///                           itself or the communication peer.
@@ -513,6 +515,7 @@ EFI_STATUS
                                    transmission or receive queue. It has either 
                                    completed or wasn't issued by Transmit() and Receive().
   @retval  EFI_UNSUPPORTED         The implementation does not support this function.
+                                   Note: It is not defined in UEFI 2.3 Specification.
 
 **/
 typedef

MdePkg/Include/Protocol/Tcp6.h

@@ -291,6 +291,7 @@ typedef struct {
   ///                           either by instance itself or the communication peer.
   /// EFI_CONNECTION_REFUSED:   The receiving or transmission operation fails because this 
   ///                           connection is refused.
+  ///                           Note: It is not defined in UEFI 2.3 Specification.
   /// EFI_ABORTED:              The active open is aborted.
   /// EFI_TIMEOUT:              The connection establishment timer expires and 
   ///                           no more specific information is available.
@@ -414,6 +415,7 @@ typedef struct {
   /// EFI_CONNECTION_FIN:       The receiving operation fails because the communication peer 
   ///                           has closed the connection and there is no more data in the 
   ///                           receive buffer of the instance.
+  ///                           Note: It is not defined in UEFI 2.3 Specification.
   /// EFI_CONNECTION_RESET:     The receiving or transmission operation fails
   ///                           because this connection is reset either by instance 
   ///                           itself or the communication peer.