#define DHCPV6_OPT_STATUS 13
#define DHCPV6_OPT_RELAY_MSG 9
#define DHCPV6_OPT_AUTH 11
+#define DHCPV6_OPT_USER_CLASS 15
#define DHCPV6_OPT_INTERFACE_ID 18
#define DHCPV6_OPT_RECONF_MSG 19
#define DHCPV6_OPT_RECONF_ACCEPT 20
int dhcpv6_init_ia(struct interface *iface, int socket);
size_t dhcpv6_handle_ia(uint8_t *buf, size_t buflen, struct interface *iface,
const struct sockaddr_in6 *addr, const void *data, const uint8_t *end);
-int dhcpv6_ia_init(int dhcpv6_socket);
+int dhcpv6_ia_init(void);
int setup_dhcpv6_ia_interface(struct interface *iface, bool enable);
void dhcpv6_write_statefile(void);