networkd: VLAN - allow multiple vlans to be created on a link

[elogind.git] / src / network / networkd-network.c

diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index 1606042264b584758f9a7cd7b80076d17c1acc4b..48131c1f090c1ea7af793a6c158d347771fb4aba 100644 (file)
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -53,6 +53,10 @@ 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(uint64_hash_func, uint64_compare_func);
+        if (!network->vlans)
+                return log_oom();
+
         network->addresses_by_section = hashmap_new(uint64_hash_func, uint64_compare_func);
         if (!network->addresses_by_section)
                 return log_oom();
@@ -65,7 +69,11 @@ static int network_load_one(Manager *manager, const char *filename) {
         if (!network->filename)
                 return log_oom();
 
-        r = config_parse(NULL, filename, file, "Match\0Network\0Address\0Route\0", config_item_perf_lookup,
+        network->dhcp_dns = true;
+        network->dhcp_hostname = true;
+        network->dhcp_domainname = true;
+
+        r = config_parse(NULL, filename, file, "Match\0Network\0Address\0Route\0DHCPv4\0", config_item_perf_lookup,
                         (void*) network_gperf_lookup, false, false, network);
         if (r < 0) {
                 log_warning("Could not parse config file %s: %s", filename, strerror(-r));
@@ -80,12 +88,6 @@ static int network_load_one(Manager *manager, const char *filename) {
                                     "Ignoring", filename);
                         return 0;
                 }
-
-                if (route->dst_family && route->family != route->dst_family) {
-                        log_warning("Route section with conflicting Gateway and Destination address "
-                                    "family configured in %s. Ignoring", filename);
-                        return 0;
-                }
         }
 
         LIST_FOREACH(static_addresses, address, network->static_addresses) {
@@ -144,6 +146,10 @@ void network_free(Network *network) {
 
         free(network->description);
 
+        address_free(network->dns);
+
+        hashmap_free(network->vlans);
+
         while ((route = network->static_routes))
                 route_free(route);
 
@@ -166,9 +172,6 @@ int network_get(Manager *manager, struct udev_device *device, Network **ret) {
         assert(device);
         assert(ret);
 
-        if (manager_should_reload(manager))
-                manager_load_config(manager);
-
         LIST_FOREACH(networks, network, manager->networks) {
                 if (net_match_config(network->match_mac, network->match_path,
                                         network->match_driver, network->match_type,
@@ -200,6 +203,12 @@ int network_apply(Manager *manager, Network *network, Link *link) {
         if (r < 0)
                 return r;
 
+        if (network->dns) {
+                r = manager_update_resolv_conf(manager);
+                if (r < 0)
+                        return r;
+        }
+
         return 0;
 }
 
@@ -214,7 +223,7 @@ int config_parse_bridge(const char *unit,
                 void *data,
                 void *userdata) {
         Network *network = userdata;
-        Bridge *bridge;
+        NetDev *netdev;
         int r;
 
         assert(filename);
@@ -222,14 +231,99 @@ int config_parse_bridge(const char *unit,
         assert(rvalue);
         assert(data);
 
-        r = bridge_get(network->manager, rvalue, &bridge);
+        r = netdev_get(network->manager, rvalue, &netdev);
         if (r < 0) {
                 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
                            "Bridge is invalid, ignoring assignment: %s", rvalue);
                 return 0;
         }
 
-        network->bridge = bridge;
+        if (netdev->kind != NETDEV_KIND_BRIDGE) {
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "NetDev is not a bridge, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        network->bridge = netdev;
+
+        return 0;
+}
+
+int config_parse_bond(const char *unit,
+                const char *filename,
+                unsigned line,
+                const char *section,
+                unsigned section_line,
+                const char *lvalue,
+                int ltype,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
+        Network *network = userdata;
+        NetDev *netdev;
+        int r;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        r = netdev_get(network->manager, rvalue, &netdev);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "Bond is invalid, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        if (netdev->kind != NETDEV_KIND_BOND) {
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "NetDev is not a bond, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        network->bond = netdev;
+
+        return 0;
+}
+
+int config_parse_vlan(const char *unit,
+                const char *filename,
+                unsigned line,
+                const char *section,
+                unsigned section_line,
+                const char *lvalue,
+                int ltype,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
+        Network *network = userdata;
+        NetDev *netdev;
+        int r;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        r = netdev_get(network->manager, rvalue, &netdev);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "VLAN is invalid, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        if (netdev->kind != NETDEV_KIND_VLAN) {
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "NetDev is not a VLAN, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        r = hashmap_put(network->vlans, &netdev->vlanid, netdev);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                           "Can not add VLAN to network: %s", rvalue);
+                return 0;
+        }
 
         return 0;
 }