static int dhcp6_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; assert(link); r = sd_rtnl_message_get_errno(m); if (r < 0 && r != -EEXIST) { if (link->rtnl_extended_attrs) { log_link_warning(link, "Could not set extended netlink attributes, reverting to fallback mechanism"); link->rtnl_extended_attrs = false; dhcp6_lease_address_acquired(link->dhcp6_client, link); return 1; } log_link_error(link, "Could not set DHCPv6 address: %s", strerror(-r)); link_enter_failed(link); } else if (r >= 0) link_rtnl_process_address(rtnl, m, link->manager); return 1; }
static int dhcp4_address_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; assert(link); r = sd_netlink_message_get_errno(m); if (r < 0 && r != -EEXIST) { log_link_error_errno(link, r, "Could not set DHCPv4 address: %m"); link_enter_failed(link); } else if (r >= 0) link_rtnl_process_address(rtnl, m, link->manager); link_set_dhcp_routes(link); return 1; }
static int dhcp6_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; assert(link); r = sd_rtnl_message_get_errno(m); if (r < 0 && r != -EEXIST) { log_link_error(link, "Could not set DHCPv6 address: %s", strerror(-r)); link_enter_failed(link); } else if (r >= 0) link_rtnl_process_address(rtnl, m, link->manager); return 1; }
static int ipv4ll_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { _cleanup_link_unref_ Link *link = userdata; int r; assert(link); assert(!link->ipv4ll_address); r = sd_rtnl_message_get_errno(m); if (r < 0 && r != -EEXIST) { log_link_error(link, "could not set ipv4ll address: %s", strerror(-r)); link_enter_failed(link); } else if (r >= 0) link_rtnl_process_address(rtnl, m, link->manager); link->ipv4ll_address = true; if (link->ipv4ll_route == true) link_client_handler(link); return 1; }