For network dynamic media support:

1. add library function NetLibDetectMedia to NetLib for media detection
2. update MnpDxe to periodically poll for media status update and check for media status before packet transmit
3. update Ip4Dxe to return ModeData using Mnp->GetModeData()
4. update IScsiDxe to check for media status before try to do DHCP and session login
5. update UefiPxeBcDxe to check for media status before PXE start

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9919 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 4 insertions, 2 deletions

diff --git a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.c b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.c
index 3d92ba3..8652ba5 100644
--- a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.c
+++ b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.c
@@ -1,7 +1,7 @@
 /** @file

   Interface routine for Mtftp4.

   

-Copyright (c) 2006 - 2009, Intel Corporation<BR>

+Copyright (c) 2006 - 2010, Intel Corporation<BR>

 All rights reserved. This program and the accompanying materials

 are licensed and made available under the terms and conditions of the BSD License

 which accompanies this distribution.  The full text of the license may be found at

@@ -776,6 +776,7 @@ EfiMtftp4ParseOptions (
   @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.

+  @retval EFI_NO_MEDIA          There was a media error.

 

 **/

 EFI_STATUS

@@ -971,7 +972,8 @@ EfiMtftp4ReadDirectory (
                                  in the Buffer.

   @retval EFI_TIMEOUT            No responses were received from the MTFTPv4 server.

   @retval EFI_DEVICE_ERROR       An unexpected network error or system error occurred.

-  

+  @retval EFI_NO_MEDIA           There was a media error.

+

 **/

 EFI_STATUS

 EFIAPI