ovs: allow changing mac address of bridges and interfacesbg/ovs-mac-rh1763734

Allow changing the cloned MAC address for OVS bridges and
interfaces. The MAC address set on the bridge is propagated by ovs to
the local interface (the one with the same name as the bridge), while
all other internal interfaces use the address defined in the interface
connection.

https://bugzilla.redhat.com/show_bug.cgi?id=1763734
https://bugzilla.redhat.com/show_bug.cgi?id=1740557

4 files changed, 79 insertions, 16 deletions

diff --git a/clients/common/nm-meta-setting-desc.c b/clients/common/nm-meta-setting-desc.c
index 7021c5280b..c70a2a040a 100644
--- a/clients/common/nm-meta-setting-desc.c
+++ b/clients/common/nm-meta-setting-desc.c
@@ -7839,6 +7839,7 @@ const NMMetaSettingInfoEditor nm_meta_setting_infos_editor[] = {
 	    .valid_parts = NM_META_SETTING_VALID_PARTS (
 	        NM_META_SETTING_VALID_PART_ITEM (CONNECTION,            TRUE),
 	        NM_META_SETTING_VALID_PART_ITEM (OVS_BRIDGE,            TRUE),
+	        NM_META_SETTING_VALID_PART_ITEM (WIRED,                 FALSE),
 	    ),
 	),
 	SETTING_INFO (OVS_DPDK),
diff --git a/src/devices/ovs/nm-device-ovs-port.c b/src/devices/ovs/nm-device-ovs-port.c
index 5ce90e0e2d..0955e8a92b 100644
--- a/src/devices/ovs/nm-device-ovs-port.c
+++ b/src/devices/ovs/nm-device-ovs-port.c
@@ -88,6 +88,7 @@ enslave_slave (NMDevice *device, NMDevice *slave, NMConnection *connection, gboo
 {
 	NMActiveConnection *ac_port = NULL;
 	NMActiveConnection *ac_bridge = NULL;
+	NMDevice *bridge_device;
 
 	if (!configure)
 		return TRUE;
@@ -97,10 +98,14 @@ enslave_slave (NMDevice *device, NMDevice *slave, NMConnection *connection, gboo
 	if (!ac_bridge)
 		ac_bridge = ac_port;
 
+	bridge_device = nm_active_connection_get_device (ac_bridge);
+
 	nm_ovsdb_add_interface (nm_ovsdb_get (),
 	                        nm_active_connection_get_applied_connection (ac_bridge),
 	                        nm_device_get_applied_connection (device),
 	                        nm_device_get_applied_connection (slave),
+	                        bridge_device,
+	                        slave,
 	                        add_iface_cb, g_object_ref (slave));
 
 	return TRUE;
diff --git a/src/devices/ovs/nm-ovsdb.c b/src/devices/ovs/nm-ovsdb.c
index 499ae15188..ec4f5c746e 100644
--- a/src/devices/ovs/nm-ovsdb.c
+++ b/src/devices/ovs/nm-ovsdb.c
@@ -13,6 +13,7 @@
 #include "nm-glib-aux/nm-jansson.h"
 #include "nm-core-utils.h"
 #include "nm-core-internal.h"
+#include "devices/nm-device.h"
 
 /*****************************************************************************/
 
@@ -116,6 +117,8 @@ typedef struct {
 			NMConnection *bridge;
 			NMConnection *port;
 			NMConnection *interface;
+			NMDevice *bridge_device;
+			NMDevice *interface_device;
 		};
 	};
 } OvsdbMethodCall;
@@ -168,6 +171,7 @@ static void
 ovsdb_call_method (NMOvsdb *self, OvsdbCommand command,
                    const char *ifname,
                    NMConnection *bridge, NMConnection *port, NMConnection *interface,
+                   NMDevice *bridge_device, NMDevice *interface_device,
                    OvsdbMethodCallback callback, gpointer user_data)
 {
 	NMOvsdbPrivate *priv = NM_OVSDB_GET_PRIVATE (self);
@@ -190,6 +194,8 @@ ovsdb_call_method (NMOvsdb *self, OvsdbCommand command,
 		call->bridge = nm_simple_connection_new_clone (bridge);
 		call->port = nm_simple_connection_new_clone (port);
 		call->interface = nm_simple_connection_new_clone (interface);
+		call->bridge_device = g_object_ref (bridge_device);
+		call->interface_device = g_object_ref (interface_device);
 		break;
 	case OVSDB_DEL_INTERFACE:
 		call->ifname = g_strdup (ifname);
@@ -322,18 +328,33 @@ _set_port_interfaces (json_t *params, const char *ifname, json_t *new_interfaces
  * Returns an commands that adds new interface from a given connection.
  */
 static void
-_insert_interface (json_t *params, NMConnection *interface)
+_insert_interface (json_t *params, NMConnection *interface, NMDevice *interface_device)
 {
 	const char *type = NULL;
 	NMSettingOvsInterface *s_ovs_iface;
 	NMSettingOvsDpdk *s_ovs_dpdk;
 	NMSettingOvsPatch *s_ovs_patch;
 	json_t *options = json_array ();
+	gs_free char *cloned_mac = NULL;
+	gs_free_error GError *error = NULL;
+	json_t *row;
 
 	s_ovs_iface = nm_connection_get_setting_ovs_interface (interface);
 	if (s_ovs_iface)
 		type = nm_setting_ovs_interface_get_interface_type (s_ovs_iface);
 
+	if (!nm_device_hw_addr_get_cloned (interface_device,
+	                                   interface,
+	                                   FALSE,
+	                                   &cloned_mac,
+	                                   NULL,
+	                                   &error)) {
+		_LOGW ("Cannot determine cloned mac for OVS %s '%s': %s",
+		       "interface",
+		       nm_connection_get_interface_name (interface),
+		       error->message);
+	}
+
 	json_array_append_new (options, json_string ("map"));
 
 	s_ovs_dpdk = (NMSettingOvsDpdk *) nm_connection_get_setting (interface,
@@ -353,14 +374,22 @@ _insert_interface (json_t *params, NMConnection *interface)
 		json_array_append_new (options, json_array ());
 	}
 
+	row = json_pack ("{s:s, s:s, s:o, s:[s, [[s, s]]]}",
+	                 "name", nm_connection_get_interface_name (interface),
+	                 "type", type ?: "",
+	                 "options", options,
+	                 "external_ids", "map",
+	                 "NM.connection.uuid", nm_connection_get_uuid (interface));
+
+	if (cloned_mac)
+		json_object_set_new (row, "mac", json_string (cloned_mac));
+
 	json_array_append_new (params,
-		json_pack ("{s:s, s:s, s:{s:s, s:s, s:o, s:[s, [[s, s]]]}, s:s}",
-		           "op", "insert", "table", "Interface", "row",
-		           "name", nm_connection_get_interface_name (interface),
-		           "type", type ?: "",
-		           "options", options,
-		           "external_ids", "map", "NM.connection.uuid", nm_connection_get_uuid (interface),
-		           "uuid-name", "rowInterface"));
+	        json_pack ("{s:s, s:s, s:o, s:s}",
+	                   "op", "insert",
+	                   "table", "Interface",
+	                   "row", row,
+	                   "uuid-name", "rowInterface"));
 }
 
 /**
@@ -424,7 +453,7 @@ _insert_port (json_t *params, NMConnection *port, json_t *new_interfaces)
  * Returns an commands that adds new bridge from a given connection.
  */
 static void
-_insert_bridge (json_t *params, NMConnection *bridge, json_t *new_ports)
+_insert_bridge (json_t *params, NMConnection *bridge, NMDevice *bridge_device, json_t *new_ports)
 {
 	NMSettingOvsBridge *s_ovs_bridge;
 	const char *fail_mode = NULL;
@@ -433,9 +462,23 @@ _insert_bridge (json_t *params, NMConnection *bridge, json_t *new_ports)
 	gboolean stp_enable = FALSE;
 	const char *datapath_type = NULL;
 	json_t *row;
+	gs_free_error GError *error = NULL;
+	gs_free char *cloned_mac = NULL;
 
 	s_ovs_bridge = nm_connection_get_setting_ovs_bridge (bridge);
 
+	if (!nm_device_hw_addr_get_cloned (bridge_device,
+	                                   bridge,
+	                                   FALSE,
+	                                   &cloned_mac,
+	                                   NULL,
+	                                   &error)) {
+		_LOGW ("Cannot determine cloned mac for OVS %s '%s': %s",
+		       "bridge",
+		       nm_connection_get_interface_name (bridge),
+		       error->message);
+	}
+
 	row = json_object ();
 
 	if (s_ovs_bridge) {
@@ -463,6 +506,12 @@ _insert_bridge (json_t *params, NMConnection *bridge, json_t *new_ports)
 		json_pack ("[s, [[s, s]]]", "map",
 		           "NM.connection.uuid", nm_connection_get_uuid (bridge)));
 
+	if (cloned_mac) {
+		json_object_set_new (row, "other_config",
+			json_pack ("[s, [[s, s]]]", "map",
+			           "hwaddr", cloned_mac));
+	}
+
 	/* Create a new one. */
 	json_array_append_new (params,
 		json_pack ("{s:s, s:s, s:o, s:s}", "op", "insert", "table", "Bridge",
@@ -492,7 +541,8 @@ _inc_next_cfg (const char *db_uuid)
  */
 static void
 _add_interface (NMOvsdb *self, json_t *params,
-                NMConnection *bridge, NMConnection *port, NMConnection *interface)
+                NMConnection *bridge, NMConnection *port, NMConnection *interface,
+                NMDevice *bridge_device, NMDevice *interface_device)
 {
 	NMOvsdbPrivate *priv = NM_OVSDB_GET_PRIVATE (self);
 	GHashTableIter iter;
@@ -574,7 +624,7 @@ _add_interface (NMOvsdb *self, json_t *params,
 			_expect_ovs_bridges (params, priv->db_uuid, bridges);
 			json_array_append_new (new_bridges, json_pack ("[s, s]", "named-uuid", "rowBridge"));
 			_set_ovs_bridges (params, priv->db_uuid, new_bridges);
-			_insert_bridge (params, bridge, new_ports);
+			_insert_bridge (params, bridge, bridge_device, new_ports);
 		} else {
 			/* Bridge already exists. */
 			g_return_if_fail (ovs_bridge);
@@ -592,7 +642,7 @@ _add_interface (NMOvsdb *self, json_t *params,
 	}
 
 	if (!has_interface) {
-		_insert_interface (params, interface);
+		_insert_interface (params, interface, interface_device);
 		json_array_append_new (new_interfaces, json_pack ("[s, s]", "named-uuid", "rowInterface"));
 	}
 }
@@ -752,7 +802,8 @@ ovsdb_next_command (NMOvsdb *self)
 		json_array_append_new (params, json_string ("Open_vSwitch"));
 		json_array_append_new (params, _inc_next_cfg (priv->db_uuid));
 
-		_add_interface (self, params, call->bridge, call->port, call->interface);
+		_add_interface (self, params, call->bridge, call->port, call->interface,
+		                call->bridge_device, call->interface_device);
 
 		msg = json_pack ("{s:i, s:s, s:o}",
 		                 "id", call->id,
@@ -1410,7 +1461,7 @@ ovsdb_try_connect (NMOvsdb *self)
 	/* Queue a monitor call before any other command, ensuring that we have an up
 	 * to date view of existing bridged that we need for add and remove ops. */
 	ovsdb_call_method (self, OVSDB_MONITOR, NULL,
-	                   NULL, NULL, NULL, _monitor_bridges_cb, NULL);
+	                   NULL, NULL, NULL, NULL, NULL, _monitor_bridges_cb, NULL);
 }
 
 /*****************************************************************************/
@@ -1451,6 +1502,7 @@ out:
 void
 nm_ovsdb_add_interface (NMOvsdb *self,
                         NMConnection *bridge, NMConnection *port, NMConnection *interface,
+                        NMDevice *bridge_device, NMDevice *interface_device,
                         NMOvsdbCallback callback, gpointer user_data)
 {
 	OvsdbCall *call;
@@ -1460,7 +1512,9 @@ nm_ovsdb_add_interface (NMOvsdb *self,
 	call->user_data = user_data;
 
 	ovsdb_call_method (self, OVSDB_ADD_INTERFACE, NULL,
-	                   bridge, port, interface, _transact_cb, call);
+	                   bridge, port, interface,
+	                   bridge_device, interface_device,
+	                   _transact_cb, call);
 }
 
 void
@@ -1474,7 +1528,7 @@ nm_ovsdb_del_interface (NMOvsdb *self, const char *ifname,
 	call->user_data = user_data;
 
 	ovsdb_call_method (self, OVSDB_DEL_INTERFACE, ifname,
-	                   NULL, NULL, NULL, _transact_cb, call);
+	                   NULL, NULL, NULL, NULL, NULL, _transact_cb, call);
 }
 
 /*****************************************************************************/
@@ -1491,6 +1545,8 @@ _clear_call (gpointer data)
 		g_clear_object (&call->bridge);
 		g_clear_object (&call->port);
 		g_clear_object (&call->interface);
+		g_clear_object (&call->bridge_device);
+		g_clear_object (&call->interface_device);
 		break;
 	case OVSDB_DEL_INTERFACE:
 		g_clear_pointer (&call->ifname, g_free);
diff --git a/src/devices/ovs/nm-ovsdb.h b/src/devices/ovs/nm-ovsdb.h
index 5f2d07ed0c..59f4620621 100644
--- a/src/devices/ovs/nm-ovsdb.h
+++ b/src/devices/ovs/nm-ovsdb.h
@@ -28,6 +28,7 @@ GType nm_ovsdb_get_type (void);
 
 void nm_ovsdb_add_interface (NMOvsdb *self,
                              NMConnection *bridge, NMConnection *port, NMConnection *interface,
+                             NMDevice *bridge_device, NMDevice *interface_device,
                              NMOvsdbCallback callback, gpointer user_data);
 
 void nm_ovsdb_del_interface (NMOvsdb *self, const char *ifname,