MdeModulePkg/Ip4Dxe: Add Ip/Netmask pair check for Ip4Config2

[mirror_edk2.git] / MdeModulePkg / Universal / Network / Ip4Dxe / Ip4Common.h

diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Common.h b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Common.h
index d38857c6771018028381612d621c022065360c9c..9689f373cf06504cb21813a10dd9aa9e9884aee7 100644 (file)
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Common.h
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Common.h
@@ -1,7 +1,7 @@
 /** @file\r
   Common definition for IP4.\r
   \r
-Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2005 - 2017, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -201,4 +201,23 @@ Ip4NtohHead (
   IN IP4_HEAD           *Head\r
   );\r
 \r
+\r
+/**\r
+  Validate that Ip/Netmask pair is OK to be used as station\r
+  address. Only continuous netmasks are supported. and check\r
+  that StationAddress is a unicast address on the newtwork.\r
+\r
+  @param[in]  Ip                 The IP address to validate.\r
+  @param[in]  Netmask            The netmaks of the IP.\r
+\r
+  @retval TRUE                   The Ip/Netmask pair is valid.\r
+  @retval FALSE                  The Ip/Netmask pair is invalid.\r
+\r
+**/\r
+BOOLEAN\r
+Ip4StationAddressValid (\r
+  IN IP4_ADDR               Ip,\r
+  IN IP4_ADDR               Netmask\r
+  );\r
+\r
 #endif\r