X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=NetworkPkg%2FUefiPxeBcDxe%2FPxeBcDriver.c;h=080b751cb19637541e81ef9bdec8db16c3302aaf;hp=179009f91c600802fb47c0f94ee5027e79ccb0a9;hb=75dce340624dba5e4a79b2e5b2dbe943bae0d0e9;hpb=e98e59c237e17f064a4ecffb39d45499f89720a1

diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
index 179009f91c..080b751cb1 100644
--- a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
+++ b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c
@@ -1,7 +1,7 @@
 /** @file
   Driver Binding functions implementationfor for UefiPxeBc Driver.
 
-  Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2007 - 2012, 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
@@ -779,6 +779,7 @@ PxeBcCreateIp6Children (
   EFI_IP6_MODE_DATA               Ip6ModeData;
   PXEBC_PRIVATE_PROTOCOL          *Id;
   EFI_SIMPLE_NETWORK_PROTOCOL     *Snp;
+  UINTN                           Index;
 
   if (Private->Ip6Nic != NULL) {
     //
@@ -821,6 +822,16 @@ PxeBcCreateIp6Children (
     goto ON_ERROR;
   }
 
+  //
+  // Generate a random IAID for the Dhcp6 assigned address.
+  //
+  Private->IaId = NET_RANDOM (NetRandomInitSeed ());
+  if (Private->Snp != NULL) {
+    for (Index = 0; Index < Private->Snp->Mode->HwAddressSize; Index++) {
+      Private->IaId |= (Private->Snp->Mode->CurrentAddress.Addr[Index] << ((Index << 3) & 31));
+    }  
+  }
+
   //
   // Create Mtftp6 child and open Mtftp6 protocol for PxeBc->Mtftp.
   //