static void ndisc_router_handler(sd_ndisc *nd, int event, void *userdata) {
Link *link = userdata;
assert(link);
assert(link->network);
assert(link->manager);
if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
return;
switch(event) {
case SD_NDISC_EVENT_ROUTER_ADVERTISMENT_NONE:
return;
case SD_NDISC_EVENT_ROUTER_ADVERTISMENT_OTHER:
dhcp6_configure(link, true);
break;
case SD_NDISC_EVENT_ROUTER_ADVERTISMENT_TIMEOUT:
case SD_NDISC_EVENT_ROUTER_ADVERTISMENT_MANAGED:
dhcp6_configure(link, false);
break;
default:
if (event < 0)
log_link_warning_errno(link, event, "IPv6 Neighbor Discover error: %m");
else
log_link_warning(link, "IPv6 Neighbor Discovery unknown event: %d", event);
break;
}
}
static void icmp6_router_handler(sd_icmp6_nd *nd, int event, void *userdata) {
Link *link = userdata;
assert(link);
assert(link->network);
assert(link->manager);
if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
return;
switch(event) {
case ICMP6_EVENT_ROUTER_ADVERTISMENT_NONE:
return;
case ICMP6_EVENT_ROUTER_ADVERTISMENT_TIMEOUT:
case ICMP6_EVENT_ROUTER_ADVERTISMENT_OTHER:
case ICMP6_EVENT_ROUTER_ADVERTISMENT_MANAGED:
dhcp6_configure(link, event);
break;
case ICMP6_EVENT_ROUTER_ADVERTISMENT_PREFIX_EXPIRED:
if (!link->rtnl_extended_attrs)
dhcp6_prefix_expired(link);
break;
default:
if (event < 0)
log_link_warning(link, "ICMPv6 error: %s",
strerror(-event));
else
log_link_warning(link, "ICMPv6 unknown event: %d",
event);
break;
}
}