From b8bcaafb39e8860a1fb672d75bb6f7bbdceb28bd Mon Sep 17 00:00:00 2001
From: Fu Siyuan <siyuan.fu@intel.com>
Date: Tue, 28 Aug 2018 09:49:54 +0800
Subject: [PATCH 1/1] ShellPkg: Update Ifconfig command to accept 32bit subnet
 mask.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
---
 ShellPkg/Library/UefiShellNetwork1CommandsLib/Ifconfig.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ifconfig.c b/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ifconfig.c
index 52415e0ad0..e9f644c739 100644
--- a/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ifconfig.c
+++ b/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ifconfig.c
@@ -1032,6 +1032,7 @@ IfConfigSetInterfaceInfo (
       SubnetMask  = NTOHL (SubnetMask);
       TempGateway = NTOHL (TempGateway);
       if ((SubnetMask != 0) &&
+          (SubnetMask != 0xFFFFFFFFu) && 
           !NetIp4IsUnicast (TempGateway, SubnetMask)) {
         ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_IFCONFIG_INVALID_GATEWAY), gShellNetwork1HiiHandle, VarArg->Arg);
         ShellStatus = SHELL_INVALID_PARAMETER;
-- 
2.39.2