#define SIOCDELPRL (SIOCDEVPRIVATE + 6)
#define SIOCCHGPRL (SIOCDEVPRIVATE + 7)
-#define GRE_CSUM __constant_htons(0x8000)
-#define GRE_ROUTING __constant_htons(0x4000)
-#define GRE_KEY __constant_htons(0x2000)
-#define GRE_SEQ __constant_htons(0x1000)
-#define GRE_STRICT __constant_htons(0x0800)
-#define GRE_REC __constant_htons(0x0700)
-#define GRE_FLAGS __constant_htons(0x00F8)
-#define GRE_VERSION __constant_htons(0x0007)
+#define GRE_CSUM __cpu_to_be16(0x8000)
+#define GRE_ROUTING __cpu_to_be16(0x4000)
+#define GRE_KEY __cpu_to_be16(0x2000)
+#define GRE_SEQ __cpu_to_be16(0x1000)
+#define GRE_STRICT __cpu_to_be16(0x0800)
+#define GRE_REC __cpu_to_be16(0x0700)
+#define GRE_FLAGS __cpu_to_be16(0x00F8)
+#define GRE_VERSION __cpu_to_be16(0x0007)
struct ip_tunnel_parm
{