According to UEFI spec, a BUFFER_FULL return status in UNDI Transmit command
indicates UNDI "Transmit buffer is full. Call Get Status command toempty
buffer." So this patch updates the SNP Transmit to return EFI_NOT_READY for
BUFFER_FULL to let the call know the buffer full status.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Fu Siyuan <siyuan...@intel.com>
CC: Ye Ting <ting...@intel.com>
CC: Wu Jiaxin <jiaxin...@intel.com>
---
 MdeModulePkg/Universal/Network/SnpDxe/Transmit.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Transmit.c 
b/MdeModulePkg/Universal/Network/SnpDxe/Transmit.c
index e6c5af7..73461bc 100644
--- a/MdeModulePkg/Universal/Network/SnpDxe/Transmit.c
+++ b/MdeModulePkg/Universal/Network/SnpDxe/Transmit.c
@@ -1,7 +1,7 @@
 /** @file
     Implementation of transmitting a packet.
  
-Copyright (c) 2004 - 2007, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
 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 
@@ -195,6 +195,7 @@ PxeTransmit (
   case PXE_STATCODE_SUCCESS:
     return EFI_SUCCESS;
 
+  case PXE_STATCODE_BUFFER_FULL:
   case PXE_STATCODE_QUEUE_FULL:
   case PXE_STATCODE_BUSY:
     Status = EFI_NOT_READY;
-- 
2.5.0.windows.1

_______________________________________________
edk2-devel mailing list
edk2-devel@lists.01.org
https://lists.01.org/mailman/listinfo/edk2-devel

Reply via email to