struct icmpv6_opt {
uint8_t type;
uint8_t len;
-};
-
-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];
+ uint8_t data[6];
};
#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 < (void *)end) && \
- (void *)((uint8_t *)opt + (opt->len << 3)) <= (void *)(end); \
- opt = (struct icmpv6_opt *)((uint8_t *)opt + (opt->len << 3)))
+ (void*)(opt + 1) <= (void*)(end) && opt->len > 0 &&\
+ (void*)(opt + opt->len) <= (void*)(end); opt += opt->len)
int ra_init(const char *ifname, const struct in6_addr *ifid);