Fixes the IPv6LL issue in #23197.
/* IPv6LL address may be in the tentative state, and in that case networkd has not received it.
* So, we need to dump all IPv6 addresses. */
- if (link_may_have_ipv6ll(link))
+ if (link_may_have_ipv6ll(link, /* check_multicast = */ false))
return 0;
r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_GETADDR, link->ifindex, AF_INET6);
return link->network->link_local & ADDRESS_FAMILY_IPV6;
}
-bool link_may_have_ipv6ll(Link *link) {
+bool link_may_have_ipv6ll(Link *link, bool check_multicast) {
assert(link);
/*
if (!link->network)
return false;
+ if (check_multicast && !FLAGS_SET(link->flags, IFF_MULTICAST) && link->network->multicast <= 0)
+ return false;
+
ORDERED_HASHMAP_FOREACH(a, link->network->addresses_by_section) {
if (a->family != AF_INET6)
continue;
} IPv6LinkLocalAddressGenMode;
bool link_ipv6ll_enabled(Link *link);
-bool link_may_have_ipv6ll(Link *link);
+bool link_may_have_ipv6ll(Link *link, bool check_multicast);
IPv6LinkLocalAddressGenMode link_get_ipv6ll_addrgen_mode(Link *link);
int ipv6ll_addrgen_mode_fill_message(sd_netlink_message *message, IPv6LinkLocalAddressGenMode mode);
if (link->network->bond)
return false;
- /* DHCPv6 client will not be started if no IPv6 link-local address is configured. */
- if (link_ipv6ll_enabled(link))
+ if (link_may_have_ipv6ll(link, /* check_multicast = */ false))
return true;
if (network_has_static_ipv6_configurations(link->network))
if (!link->network)
return false;
- if (!link_may_have_ipv6ll(link))
+ if (!link_may_have_ipv6ll(link, /* check_multicast = */ true))
return false;
assert(link->network->ipv6_accept_ra >= 0);
bool link_radv_enabled(Link *link) {
assert(link);
- if (!link_may_have_ipv6ll(link))
+ if (!link_may_have_ipv6ll(link, /* check_multicast = */ true))
return false;
if (link->hw_addr.length != ETH_ALEN)