static volatile int rs_attempt = 0;
static struct in6_addr lladdr = IN6ADDR_ANY_INIT;
static unsigned int ra_options = 0;
+static unsigned int ra_holdoff_interval = 0;
struct {
struct icmp6_hdr hdr;
static void ra_send_rs(int signal __attribute__((unused)));
-int ra_init(const char *ifname, const struct in6_addr *ifid, unsigned int options)
+int ra_init(const char *ifname, const struct in6_addr *ifid,
+ unsigned int options, unsigned int holdoff_interval)
{
ra_options = options;
+ ra_holdoff_interval = holdoff_interval;
const pid_t ourpid = getpid();
sock = socket(AF_INET6, SOCK_RAW | SOCK_CLOEXEC, IPPROTO_ICMPV6);
entry->valid = router_valid;
entry->preferred = entry->valid;
- changed |= odhcp6c_update_entry(STATE_RA_ROUTE, entry, 0, true);
+ changed |= odhcp6c_update_entry(STATE_RA_ROUTE, entry,
+ 0, ra_holdoff_interval);
// Parse hoplimit
ra_conf_hoplimit(adv->nd_ra_curhoplimit);
continue;
if (entry->priority > 0)
- changed |= odhcp6c_update_entry(STATE_RA_ROUTE, entry, 0, true);
+ changed |= odhcp6c_update_entry(STATE_RA_ROUTE, entry,
+ 0, ra_holdoff_interval);
} else if (opt->type == ND_OPT_PREFIX_INFORMATION && opt->len == 4) {
struct nd_opt_prefix_info *pinfo = (struct nd_opt_prefix_info*)opt;
entry->router = any;
continue;
if (pinfo->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_ONLINK)
- changed |= odhcp6c_update_entry(STATE_RA_ROUTE, entry, 7200, true);
+ changed |= odhcp6c_update_entry(STATE_RA_ROUTE, entry,
+ 7200, ra_holdoff_interval);
if (!(pinfo->nd_opt_pi_flags_reserved & ND_OPT_PI_FLAG_AUTO) ||
pinfo->nd_opt_pi_prefix_len != 64)
entry->target.s6_addr32[2] = lladdr.s6_addr32[2];
entry->target.s6_addr32[3] = lladdr.s6_addr32[3];
- changed |= odhcp6c_update_entry(STATE_RA_PREFIX, entry, 7200, true);
+ changed |= odhcp6c_update_entry(STATE_RA_PREFIX, entry,
+ 7200, ra_holdoff_interval);
} else if (opt->type == ND_OPT_RECURSIVE_DNS && opt->len > 2) {
entry->router = from.sin6_addr;
entry->priority = 0;
for (ssize_t i = 0; i < (opt->len - 1) / 2; ++i) {
memcpy(&entry->target, &opt->data[6 + i * sizeof(entry->target)],
sizeof(entry->target));
- changed |= odhcp6c_update_entry(STATE_RA_DNS, entry, 0, true);
+ changed |= odhcp6c_update_entry(STATE_RA_DNS, entry,
+ 0, ra_holdoff_interval);
}
} else if (opt->type == ND_OPT_DNSSL && opt->len > 1) {
uint32_t *valid = (uint32_t*)&opt->data[2];
if (entry->auxlen == 0)
continue;
- changed |= odhcp6c_update_entry(STATE_RA_SEARCH, entry, 0, true);
+ changed |= odhcp6c_update_entry(STATE_RA_SEARCH, entry,
+ 0, ra_holdoff_interval);
entry->auxlen = 0;
}
}