-static int link_set_bridge(Link *link) {
- _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->network);
-
- r = sd_rtnl_message_new_link(link->manager->rtnl, &req, RTM_SETLINK, link->ifindex);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not allocate RTM_SETLINK message: %m");
-
- r = sd_rtnl_message_link_set_family(req, PF_BRIDGE);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not set message family: %m");
-
- r = sd_netlink_message_open_container(req, IFLA_PROTINFO);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_PROTINFO attribute: %m");
-
- if (link->network->use_bpdu >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_GUARD, link->network->use_bpdu);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_GUARD attribute: %m");
- }
-
- if (link->network->hairpin >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_MODE, link->network->hairpin);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_MODE attribute: %m");
- }
-
- if (link->network->fast_leave >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_FAST_LEAVE, link->network->fast_leave);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_FAST_LEAVE attribute: %m");
- }
-
- if (link->network->allow_port_to_be_root >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_PROTECT, link->network->allow_port_to_be_root);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_PROTECT attribute: %m");
- }
-
- if (link->network->unicast_flood >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_UNICAST_FLOOD, link->network->unicast_flood);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_UNICAST_FLOOD attribute: %m");
- }
-
- if (link->network->multicast_flood >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_MCAST_FLOOD, link->network->multicast_flood);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_MCAST_FLOOD attribute: %m");
- }
-
- if (link->network->multicast_to_unicast >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_MCAST_TO_UCAST, link->network->multicast_to_unicast);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_MCAST_TO_UCAST attribute: %m");
- }
-
- if (link->network->neighbor_suppression >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_NEIGH_SUPPRESS, link->network->neighbor_suppression);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_NEIGH_SUPPRESS attribute: %m");
- }
-
- if (link->network->learning >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_LEARNING, link->network->learning);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_LEARNING attribute: %m");
- }
-
- if (link->network->bridge_proxy_arp >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_PROXYARP, link->network->bridge_proxy_arp);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_PROXYARP attribute: %m");
- }
-
- if (link->network->bridge_proxy_arp_wifi >= 0) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_PROXYARP_WIFI, link->network->bridge_proxy_arp_wifi);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_PROXYARP_WIFI attribute: %m");
- }
-
- if (link->network->cost != 0) {
- r = sd_netlink_message_append_u32(req, IFLA_BRPORT_COST, link->network->cost);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_COST attribute: %m");
- }
-
- if (link->network->priority != LINK_BRIDGE_PORT_PRIORITY_INVALID) {
- r = sd_netlink_message_append_u16(req, IFLA_BRPORT_PRIORITY, link->network->priority);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_PRIORITY attribute: %m");
- }
-
- if (link->network->multicast_router != _MULTICAST_ROUTER_INVALID) {
- r = sd_netlink_message_append_u8(req, IFLA_BRPORT_MULTICAST_ROUTER, link->network->multicast_router);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BRPORT_MULTICAST_ROUTER attribute: %m");
- }
-
- r = sd_netlink_message_close_container(req);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_LINKINFO attribute: %m");
-
- r = netlink_call_async(link->manager->rtnl, NULL, req, link_set_handler,
- link_netlink_destroy_callback, link);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not send rtnetlink message: %m");
-
- link_ref(link);
-
- return r;
-}
-
-static int link_set_bond_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) {
- int r;
-
- assert(m);
- assert(link);
- assert(link->ifname);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
-
- r = sd_netlink_message_get_errno(m);
- if (r < 0) {
- log_link_warning_errno(link, r, "Could not set bonding interface: %m");
- return 1;
- }
-
- return 1;
-}
-
-static int link_set_bond(Link *link) {
- _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->network);
-
- r = sd_rtnl_message_new_link(link->manager->rtnl, &req, RTM_NEWLINK, link->network->bond->ifindex);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not allocate RTM_SETLINK message: %m");
-
- r = sd_netlink_message_set_flags(req, NLM_F_REQUEST | NLM_F_ACK);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not set netlink flags: %m");
-
- r = sd_netlink_message_open_container(req, IFLA_LINKINFO);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_PROTINFO attribute: %m");
-
- r = sd_netlink_message_open_container_union(req, IFLA_INFO_DATA, "bond");
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_INFO_DATA attribute: %m");
-
- if (link->network->active_slave) {
- r = sd_netlink_message_append_u32(req, IFLA_BOND_ACTIVE_SLAVE, link->ifindex);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BOND_ACTIVE_SLAVE attribute: %m");
- }
-
- if (link->network->primary_slave) {
- r = sd_netlink_message_append_u32(req, IFLA_BOND_PRIMARY, link->ifindex);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_BOND_PRIMARY attribute: %m");
- }
-
- r = sd_netlink_message_close_container(req);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_LINKINFO attribute: %m");
-
- r = sd_netlink_message_close_container(req);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_INFO_DATA attribute: %m");
-
- r = netlink_call_async(link->manager->rtnl, NULL, req, link_set_bond_handler,
- link_netlink_destroy_callback, link);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not send rtnetlink message: %m");
-
- link_ref(link);
-
- return r;
-}
-