[CHERRY-PICK] NetworkPkg: Update to make IPv6 prefix length 128 will not be excluded.

Signed-off-by: Ken Peng <[email protected]>
(cherry picked from commit a80e7c0)

Author: Ken-Pong

NetworkPkg/Ip6Dxe/Ip6Icmp.c

@@ -467,14 +467,14 @@ Ip6GetPrefix (
   UINT8  Mask;
   UINT8  Value;
 
-  ASSERT ((Prefix != NULL) && (PrefixLength < IP6_PREFIX_MAX));
+  ASSERT ((Prefix != NULL) && (PrefixLength <= IP6_PREFIX_MAX));
 
   if (PrefixLength == 0) {
     ZeroMem (Prefix, sizeof (EFI_IPv6_ADDRESS));
     return;
   }
 
-  if (PrefixLength >= IP6_PREFIX_MAX) {
+  if (PrefixLength > IP6_PREFIX_MAX) {
     return;
   }
 

NetworkPkg/Library/DxeNetLib/DxeNetLib.c

@@ -844,7 +844,7 @@ NetIp6IsNetEqual (
   UINT8  Bit;
   UINT8  Mask;
 
-  ASSERT ((Ip1 != NULL) && (Ip2 != NULL) && (PrefixLength < IP6_PREFIX_MAX));
+  ASSERT ((Ip1 != NULL) && (Ip2 != NULL) && (PrefixLength <= IP6_PREFIX_MAX));
 
   if (PrefixLength == 0) {
     return TRUE;