#define ICMPV6_TIME_EXCEED 3
#define ICMPV6_PARAMPROB 4
+#define ICMPV6_ERRMSG_MAX 127
+
#define ICMPV6_INFOMSG_MASK 0x80
#define ICMPV6_ECHO_REQUEST 128
#define ICMPV6_MRDISC_ADV 151
+#define ICMPV6_MSG_MAX 255
+
/*
* Codes for Destination Unreachable
*/