+/********************************************************************
+ * Neighbor Discovery userland options
+ ****/
+
+struct nduseroptmsg
+{
+ unsigned char nduseropt_family;
+ unsigned char nduseropt_pad1;
+ unsigned short nduseropt_opts_len; /* Total length of options */
+ __u8 nduseropt_icmp_type;
+ __u8 nduseropt_icmp_code;
+ unsigned short nduseropt_pad2;
+ /* Followed by one or more ND options */
+};
+
+enum
+{
+ NDUSEROPT_UNSPEC,
+ NDUSEROPT_SRCADDR,
+ __NDUSEROPT_MAX
+};
+
+#define NDUSEROPT_MAX (__NDUSEROPT_MAX - 1)
+