struct icmpv6_opt {
uint8_t type;
uint8_t len;
- uint8_t data[6];
};
-#define ND_OPT_ROUTE_INFORMATION 24
+struct nd_opt_recursive_dns {
+ uint8_t type;
+ uint8_t len;
+ uint8_t pad;
+ uint8_t pad2;
+ uint32_t lifetime;
+ struct in6_addr servers[1];
+};
+#define ND_OPT_ROUTE_INFORMATION 24
+struct nd_opt_route_info {
+ uint8_t nd_opt_ri_type;
+ uint8_t nd_opt_ri_len;
+ uint8_t nd_opt_ri_prefix_len;
+ uint8_t nd_opt_ri_prf;
+ uint32_t nd_opt_ri_route_lifetime;
+ uint8_t nd_opt_ri_prefix[1];
+};
#define icmpv6_for_each_option(opt, start, end)\
for (opt = (struct icmpv6_opt*)(start);\
- (void*)(opt + 1) <= (void*)(end) && opt->len > 0 &&\
- (void*)(opt + opt->len) <= (void*)(end); opt += opt->len)
+ ((void *)opt < (void *)end) && \
+ (void *)((uint8_t *)opt + (opt->len << 3)) <= (void *)(end); \
+ opt = (struct icmpv6_opt *)((uint8_t *)opt + (opt->len << 3)))
int ra_init(const char *ifname, const struct in6_addr *ifid);