DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetDevKind);
DEFINE_CONFIG_PARSE_ENUM(config_parse_netdev_kind, netdev_kind, NetDevKind, "Failed to parse netdev kind");
+
static void netdev_cancel_callbacks(NetDev *netdev) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
- netdev_enslave_callback *callback;
+ netdev_join_callback *callback;
if (!netdev)
return;
assert(netdev->state == NETDEV_STATE_READY);
assert(netdev->manager);
assert(netdev->manager->rtnl);
+ assert(IN_SET(netdev->kind, NETDEV_KIND_BRIDGE, NETDEV_KIND_BOND));
assert(link);
assert(callback);
}
static int netdev_enter_ready(NetDev *netdev) {
- netdev_enslave_callback *callback, *callback_next;
+ netdev_join_callback *callback, *callback_next;
int r;
assert(netdev);
return 1;
}
-static int netdev_create(NetDev *netdev) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- const char *kind;
+static int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
int r;
assert(netdev);
- assert(netdev->ifname);
- assert(netdev->manager);
- assert(netdev->manager->rtnl);
-
- r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, 0);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not allocate RTM_NEWLINK message: %s",
- strerror(-r));
- return r;
- }
+ assert(IN_SET(netdev->kind, NETDEV_KIND_BRIDGE, NETDEV_KIND_BOND));
- r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->ifname);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_IFNAME attribute: %s",
- strerror(-r));
- return r;
- }
-
- if (netdev->mtu) {
- r = sd_rtnl_message_append_u32(req, IFLA_MTU, netdev->mtu);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_MTU attribute: %s",
- strerror(-r));
+ if (netdev->state == NETDEV_STATE_READY) {
+ r = netdev_enslave_ready(netdev, link, callback);
+ if (r < 0)
return r;
- }
- }
-
- if (netdev->mac) {
- r = sd_rtnl_message_append_ether_addr(req, IFLA_ADDRESS, netdev->mac);
- if (r < 0) {
- log_error_netdev(netdev,
- "Colud not append IFLA_ADDRESS attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_open_container(req, IFLA_LINKINFO);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not open IFLA_LINKINFO container: %s",
- strerror(-r));
- return r;
- }
-
- kind = netdev_kind_to_string(netdev->kind);
- if (!kind) {
- log_error_netdev(netdev, "Invalid kind");
- return -EINVAL;
- }
-
- r = sd_rtnl_message_open_container_union(req, IFLA_INFO_DATA, kind);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not open IFLA_INFO_DATA container: %s",
- strerror(-r));
- return r;
- }
+ } else {
+ /* the netdev is not yet read, save this request for when it is*/
+ netdev_join_callback *cb;
- r = sd_rtnl_message_close_container(req);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not close IFLA_INFO_DATA container %s",
- strerror(-r));
- return r;
- }
+ cb = new0(netdev_join_callback, 1);
+ if (!cb)
+ return log_oom();
- r = sd_rtnl_message_close_container(req);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not close IFLA_LINKINFO container %s",
- strerror(-r));
- return r;
- }
+ cb->callback = callback;
+ cb->link = link;
+ link_ref(link);
- r = sd_rtnl_call_async(netdev->manager->rtnl, req, &netdev_create_handler, netdev, 0, NULL);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not send rtnetlink message: %s", strerror(-r));
- return r;
+ LIST_PREPEND(callbacks, netdev->callbacks, cb);
}
- netdev_ref(netdev);
-
- log_debug_netdev(netdev, "creating netdev");
-
- netdev->state = NETDEV_STATE_CREATING;
-
return 0;
}
/* the callback must be called, possibly after a timeout, as otherwise the Link will hang */
-int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
- int r;
+int netdev_join(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
+
+ assert(netdev);
switch(netdev->kind) {
case NETDEV_KIND_VLAN:
case NETDEV_KIND_SIT:
case NETDEV_KIND_VTI:
return netdev_create_tunnel(netdev, link, callback);
+ case NETDEV_KIND_BRIDGE:
+ case NETDEV_KIND_BOND:
+ return netdev_enslave(netdev, link, callback);
default:
- break;
- }
-
- if (netdev->state == NETDEV_STATE_READY) {
- r = netdev_enslave_ready(netdev, link, callback);
- if (r < 0)
- return r;
- } else {
- /* the netdev is not yet read, save this request for when it is*/
- netdev_enslave_callback *cb;
-
- cb = new0(netdev_enslave_callback, 1);
- if (!cb)
- return log_oom();
-
- cb->callback = callback;
- cb->link = link;
- link_ref(link);
-
- LIST_PREPEND(callbacks, netdev->callbacks, cb);
+ assert_not_reached("Enslaving by invalid netdev kind");
}
return 0;
netdev->state = _NETDEV_STATE_INVALID;
netdev->kind = _NETDEV_KIND_INVALID;
netdev->macvlan_mode = _NETDEV_MACVLAN_MODE_INVALID;
+ netdev->bond_mode = _NETDEV_BOND_MODE_INVALID;
netdev->vlanid = VLANID_MAX + 1;
netdev->vxlanid = VXLAN_VID_MAX + 1;
netdev->tunnel_pmtudisc = true;
netdev->learning = true;
- netdev->packet_info = true;
r = config_parse(NULL, filename, file,
- "Match\0NetDev\0VLAN\0MACVLAN\0VXLAN\0Tunnel\0Peer\0Tun\0Tap\0",
+ "Match\0NetDev\0VLAN\0MACVLAN\0VXLAN\0Tunnel\0Peer\0Tun\0Tap\0Bond\0",
config_item_perf_lookup, (void*) network_netdev_gperf_lookup,
false, false, netdev);
if (r < 0) {
break;
case NETDEV_KIND_BRIDGE:
- case NETDEV_KIND_BOND:
- r = netdev_create(netdev);
+ r = netdev_create_bridge(netdev, netdev_create_handler);
if (r < 0)
return r;
break;
-
- case NETDEV_KIND_TUN:
- case NETDEV_KIND_TAP:
- r = netdev_create_tuntap(netdev);
+ case NETDEV_KIND_BOND:
+ r = netdev_create_bond(netdev, netdev_create_handler);
if (r < 0)
return r;
break;
-
default:
break;
}