MdeModulePkg: Update IP4 stack drivers for classless address unicast check.

[mirror_edk2.git] / MdeModulePkg / Universal / Network / ArpDxe / ArpImpl.c

diff --git a/MdeModulePkg/Universal/Network/ArpDxe/ArpImpl.c b/MdeModulePkg/Universal/Network/ArpDxe/ArpImpl.c
index afe49298781d181d62af7ba9c9b47fe3de752c74..a02de203c0770ebb544f1819475246077571bb05 100644 (file)
--- a/MdeModulePkg/Universal/Network/ArpDxe/ArpImpl.c
+++ b/MdeModulePkg/Universal/Network/ArpDxe/ArpImpl.c
@@ -943,9 +943,9 @@ ArpConfigureInstance (
       if (ConfigData->SwAddressType == IPV4_ETHER_PROTO_TYPE) {\r
         CopyMem (&Ip, ConfigData->StationAddress, sizeof (IP4_ADDR));\r
 \r
-        if (!NetIp4IsUnicast (NTOHL (Ip), 0)) {\r
+        if (IP4_IS_UNSPECIFIED (Ip) || IP4_IS_LOCAL_BROADCAST (Ip)) {\r
           //\r
-          // The station address is not a valid IPv4 unicast address.\r
+          // The station address should not be zero or broadcast address.\r
           //\r
           return EFI_INVALID_PARAMETER;\r
         }\r