MdeModulePkg: Update the default size of MNP TX buffer pool.

[mirror_edk2.git] / MdeModulePkg / Universal / Network / MnpDxe / MnpMain.c

diff --git a/MdeModulePkg/Universal/Network/MnpDxe/MnpMain.c b/MdeModulePkg/Universal/Network/MnpDxe/MnpMain.c
index e34936f3b861c0736f423bef7d8c3897e64f6770..31c2e3e5b849ed8cd24794c3e7cee7c54d52654d 100644 (file)
--- a/MdeModulePkg/Universal/Network/MnpDxe/MnpMain.c
+++ b/MdeModulePkg/Universal/Network/MnpDxe/MnpMain.c
@@ -1,8 +1,8 @@
 /** @file\r
   Implementation of Managed Network Protocol public services.\r
 \r
-Copyright (c) 2005 - 2009, Intel Corporation.<BR>\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
 are licensed and made available under the terms and conditions\r
 of the BSD License which accompanies this distribution.  The full\r
 text of the license may be found at<BR>\r
@@ -52,6 +52,7 @@ MnpGetModeData (
   EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r
   EFI_TPL                     OldTpl;\r
   EFI_STATUS                  Status;\r
+  UINT32                      InterruptStatus;\r
 \r
   if (This == NULL) {\r
     return EFI_INVALID_PARAMETER;\r
@@ -73,6 +74,12 @@ MnpGetModeData (
     // Copy the underlayer Snp mode data.\r
     //\r
     Snp = Instance->MnpServiceData->MnpDeviceData->Snp;\r
+\r
+    //\r
+    // Upon successful return of GetStatus(), the Snp->Mode->MediaPresent\r
+    // will be updated to reflect any change of media status\r
+    //\r
+    Snp->GetStatus (Snp, &InterruptStatus, NULL);\r
     CopyMem (SnpModeData, Snp->Mode, sizeof (*SnpModeData));\r
   }\r
 \r
@@ -545,7 +552,10 @@ MnpTransmit (
   //\r
   // Build the tx packet\r
   //\r
-  MnpBuildTxPacket (MnpServiceData, Token->Packet.TxData, &PktBuf, &PktLen);\r
+  Status = MnpBuildTxPacket (MnpServiceData, Token->Packet.TxData, &PktBuf, &PktLen);\r
+  if (EFI_ERROR (Status)) {\r
+    goto ON_EXIT;\r
+  }\r
 \r
   //\r
   //  OK, send the packet synchronously.\r