struct icmpv6_opt {
uint8_t type;
uint8_t len;
+ uint8_t data[6];
};
-struct nd_opt_slla {
- uint8_t type;
- uint8_t len;
- uint8_t addr[6];
-};
-
-struct nd_opt_recursive_dns {
- uint8_t type;
- uint8_t len;
- uint8_t pad;
- uint8_t pad2;
- uint32_t lifetime;
-};
#define icmpv6_for_each_option(opt, start, end)\
for (opt = (struct icmpv6_opt*)(start);\
- (void*)(opt + (opt->len << 3)) <= (void*)(end); opt += (opt->len << 3))
+ (void*)(opt + 1) <= (void*)(end) && opt->len > 0 &&\
+ (void*)(opt + opt->len) <= (void*)(end); opt += opt->len)
+
#define MaxRtrAdvInterval 600
#define MinRtrAdvInterval (MaxRtrAdvInterval / 3)