MdeModulePkg: Add new macros and refine codes

[mirror_edk2.git] / MdeModulePkg / Include / Library / NetLib.h

diff --git a/MdeModulePkg/Include/Library/NetLib.h b/MdeModulePkg/Include/Library/NetLib.h
index b871a857f950a337fadd6efea267cf80e917292c..87f393e2de045ff3020b80305294bded71f23e6a 100644 (file)
--- a/MdeModulePkg/Include/Library/NetLib.h
+++ b/MdeModulePkg/Include/Library/NetLib.h
@@ -52,6 +52,9 @@ typedef UINT16          TCP_PORTNO;
 #define  IP4_MASK_NUM          33\r
 #define  IP6_PREFIX_NUM        129\r
 \r
+#define  IP4_MASK_MAX          32 \r
+#define  IP6_PREFIX_MAX        128\r
+\r
 #define  IP6_HOP_BY_HOP        0\r
 #define  IP6_DESTINATION       60\r
 #define  IP6_ROUTING           43\r
@@ -230,7 +233,7 @@ typedef struct {
 #define IP4_IS_MULTICAST(Ip)              (((Ip) & 0xF0000000) == 0xE0000000)\r
 #define IP4_IS_LOCAL_BROADCAST(Ip)        ((Ip) == 0xFFFFFFFF)\r
 #define IP4_NET_EQUAL(Ip1, Ip2, NetMask)  (((Ip1) & (NetMask)) == ((Ip2) & (NetMask)))\r
-#define IP4_IS_VALID_NETMASK(Ip)          (NetGetMaskLength (Ip) != IP4_MASK_NUM)\r
+#define IP4_IS_VALID_NETMASK(Ip)          (NetGetMaskLength (Ip) != (IP4_MASK_MAX + 1))\r
 \r
 #define IP6_IS_MULTICAST(Ip6)             (((Ip6)->Addr[0]) == 0xFF)\r
 \r