networkd: unify handling of stacked netdevs

4 files changed, 27 insertions, 124 deletions

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 5eeeb3d29e..3b8b7ed80e 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -1770,7 +1770,7 @@ static int netdev_join_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata
 }
 
 static int link_enter_join_netdev(Link *link) {
-        NetDev *vlan, *macvlan, *vxlan;
+        NetDev *netdev;
         Iterator i;
         int r;
 
@@ -1784,10 +1784,7 @@ static int link_enter_join_netdev(Link *link) {
 
         if (!link->network->bridge &&
             !link->network->bond &&
-            !link->network->tunnel &&
-            hashmap_isempty(link->network->vlans) &&
-            hashmap_isempty(link->network->macvlans) &&
-            hashmap_isempty(link->network->vxlans))
+            hashmap_isempty(link->network->stacked_netdevs))
                 return link_joined(link);
 
         if (link->network->bond) {
@@ -1836,82 +1833,19 @@ static int link_enter_join_netdev(Link *link) {
                 link->enslaving ++;
         }
 
-        if (link->network->tunnel) {
+        HASHMAP_FOREACH(netdev, link->network->stacked_netdevs, i) {
                 log_struct_link(LOG_DEBUG, link,
                                 "MESSAGE=%-*s: enslaving by '%s'",
                                 IFNAMSIZ,
-                                link->ifname, link->network->tunnel->ifname,
-                                NETDEVIF(link->network->tunnel),
-                                NULL);
+                                link->ifname, netdev->ifname, NETDEVIF(netdev), NULL);
 
-                r = netdev_join(link->network->tunnel, link, &netdev_join_handler);
+                r = netdev_join(netdev, link, &netdev_join_handler);
                 if (r < 0) {
                         log_struct_link(LOG_WARNING, link,
                                         "MESSAGE=%-*s: could not join netdev '%s': %s",
                                         IFNAMSIZ,
-                                        link->ifname, link->network->tunnel->ifname, strerror(-r),
-                                        NETDEVIF(link->network->tunnel),
-                                        NULL);
-                        link_enter_failed(link);
-                        return r;
-                }
-
-                link->enslaving ++;
-        }
-
-        HASHMAP_FOREACH(vlan, link->network->vlans, i) {
-                log_struct_link(LOG_DEBUG, link,
-                                "MESSAGE=%-*s: enslaving by '%s'",
-                                IFNAMSIZ,
-                                link->ifname, vlan->ifname, NETDEVIF(vlan), NULL);
-
-                r = netdev_join(vlan, link, &netdev_join_handler);
-                if (r < 0) {
-                        log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%-*s: could not join netdev '%s': %s",
-                                        IFNAMSIZ,
-                                        link->ifname, vlan->ifname, strerror(-r),
-                                        NETDEVIF(vlan), NULL);
-                        link_enter_failed(link);
-                        return r;
-                }
-
-                link->enslaving ++;
-        }
-
-        HASHMAP_FOREACH(macvlan, link->network->macvlans, i) {
-                log_struct_link(LOG_DEBUG, link,
-                                "MESSAGE=%-*s: enslaving by '%s'",
-                                IFNAMSIZ,
-                                link->ifname, macvlan->ifname, NETDEVIF(macvlan), NULL);
-
-                r = netdev_join(macvlan, link, &netdev_join_handler);
-                if (r < 0) {
-                        log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%-*s: could not join netdev '%s': %s",
-                                        IFNAMSIZ,
-                                        link->ifname, macvlan->ifname, strerror(-r),
-                                        NETDEVIF(macvlan), NULL);
-                        link_enter_failed(link);
-                        return r;
-                }
-
-                link->enslaving ++;
-        }
-
-        HASHMAP_FOREACH(vxlan, link->network->vxlans, i) {
-                log_struct_link(LOG_DEBUG, link,
-                                "MESSAGE=%*s: enslaving by '%s'",
-                                IFNAMSIZ,
-                                link->ifname, vxlan->ifname, NETDEVIF(vxlan), NULL);
-
-                r = netdev_join(vxlan, link, &netdev_join_handler);
-                if (r < 0) {
-                        log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%*s: could not join netdev '%s': %s",
-                                        IFNAMSIZ,
-                                        link->ifname, vxlan->ifname, strerror(-r),
-                                        NETDEVIF(vxlan), NULL);
+                                        link->ifname, netdev->ifname, strerror(-r),
+                                        NETDEVIF(netdev), NULL);
                         link_enter_failed(link);
                         return r;
                 }
diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index 852142f4de..3a58a4043b 100644
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -27,9 +27,10 @@ Match.Architecture,          config_parse_net_condition,         CONDITION_ARCHI
 Network.Description,         config_parse_string,                0,                             offsetof(Network, description)
 Network.Bridge,              config_parse_netdev,                0,                             offsetof(Network, bridge)
 Network.Bond,                config_parse_netdev,                0,                             offsetof(Network, bond)
-Network.VLAN,                config_parse_netdev,                0,                             offsetof(Network, vlans)
-Network.MACVLAN,             config_parse_netdev,                0,                             offsetof(Network, macvlans)
-Network.VXLAN,               config_parse_netdev,                0,                             offsetof(Network, vxlans)
+Network.VLAN,                config_parse_netdev,                0,                             0
+Network.MACVLAN,             config_parse_netdev,                0,                             0
+Network.VXLAN,               config_parse_netdev,                0,                             0
+Network.Tunnel,              config_parse_tunnel,                0,                             0
 Network.DHCP,                config_parse_dhcp,                  0,                             offsetof(Network, dhcp)
 Network.DHCPServer,          config_parse_bool,                  0,                             offsetof(Network, dhcp_server)
 Network.IPv4LL,              config_parse_bool,                  0,                             offsetof(Network, ipv4ll)
@@ -38,7 +39,6 @@ Network.Address,             config_parse_address,               0,
 Network.Gateway,             config_parse_gateway,               0,                             0
 Network.DNS,                 config_parse_strv,                  0,                             offsetof(Network, dns)
 Network.NTP,                 config_parse_strv,                  0,                             offsetof(Network, ntp)
-Network.Tunnel,              config_parse_tunnel,                0,                             offsetof(Network, tunnel)
 Address.Address,             config_parse_address,               0,                             0
 Address.Peer,                config_parse_address,               0,                             0
 Address.Broadcast,           config_parse_broadcast,             0,                             0
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index 84b6973f55..7e753e15af 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -62,16 +62,8 @@ static int network_load_one(Manager *manager, const char *filename) {
         LIST_HEAD_INIT(network->static_addresses);
         LIST_HEAD_INIT(network->static_routes);
 
-        network->vlans = hashmap_new(string_hash_func, string_compare_func);
-        if (!network->vlans)
-                return log_oom();
-
-        network->macvlans = hashmap_new(string_hash_func, string_compare_func);
-        if (!network->macvlans)
-                return log_oom();
-
-        network->vxlans = hashmap_new(string_hash_func, string_compare_func);
-        if (!network->vxlans)
+        network->stacked_netdevs = hashmap_new(string_hash_func, string_compare_func);
+        if (!network->stacked_netdevs)
                 return log_oom();
 
         network->addresses_by_section = hashmap_new(uint64_hash_func, uint64_compare_func);
@@ -178,19 +170,9 @@ void network_free(Network *network) {
 
         netdev_unref(network->bond);
 
-        netdev_unref(network->tunnel);
-
-        HASHMAP_FOREACH(netdev, network->vlans, i)
-                netdev_unref(netdev);
-        hashmap_free(network->vlans);
-
-        HASHMAP_FOREACH(netdev, network->macvlans, i)
-                netdev_unref(netdev);
-        hashmap_free(network->macvlans);
-
-        HASHMAP_FOREACH(netdev, network->vxlans, i)
+        HASHMAP_FOREACH(netdev, network->stacked_netdevs, i)
                 netdev_unref(netdev);
-        hashmap_free(network->vxlans);
+        hashmap_free(network->stacked_netdevs);
 
         while ((route = network->static_routes))
                 route_free(route);
@@ -338,30 +320,12 @@ int config_parse_netdev(const char *unit,
 
                 break;
         case NETDEV_KIND_VLAN:
-                r = hashmap_put(network->vlans, netdev->ifname, netdev);
-                if (r < 0) {
-                        log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                                   "Can not add VLAN '%s' to network: %s",
-                                   rvalue, strerror(-r));
-                        return 0;
-                }
-
-                break;
         case NETDEV_KIND_MACVLAN:
-                r = hashmap_put(network->macvlans, netdev->ifname, netdev);
-                if (r < 0) {
-                        log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                                   "Can not add MACVLAN '%s' to network: %s",
-                                   rvalue, strerror(-r));
-                        return 0;
-                }
-
-                break;
         case NETDEV_KIND_VXLAN:
-                r = hashmap_put(network->vxlans, netdev->ifname, netdev);
+                r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev);
                 if (r < 0) {
                         log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                                   "Can not add VXLAN '%s' to network: %s",
+                                   "Can not add VLAN '%s' to network: %s",
                                    rvalue, strerror(-r));
                         return 0;
                 }
@@ -411,7 +375,15 @@ int config_parse_tunnel(const char *unit,
                 return 0;
         }
 
-        network->tunnel = netdev;
+        r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "Can not add VLAN '%s' to network: %s",
+                           rvalue, strerror(-r));
+                return 0;
+        }
+
+        netdev_ref(netdev);
 
         return 0;
 }
diff --git a/src/network/networkd.h b/src/network/networkd.h
index fe63cfbd4e..bf73fe2bd5 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -81,10 +81,7 @@ struct Network {
         char *description;
         NetDev *bridge;
         NetDev *bond;
-        NetDev *tunnel;
-        Hashmap *vlans;
-        Hashmap *macvlans;
-        Hashmap *vxlans;
+        Hashmap *stacked_netdevs;
         DHCPSupport dhcp;
         bool dhcp_dns;
         bool dhcp_ntp;