core: set up and tear down DCB/FCoE when DCB is enabled

include/NetworkManager.h

@@ -545,6 +545,9 @@ typedef enum {
 	/* A secondary connection of the base connection failed */
 	NM_DEVICE_STATE_REASON_SECONDARY_CONNECTION_FAILED = 54,
 
+	/* DCB or FCoE setup failed */
+	NM_DEVICE_STATE_REASON_DCB_FCOE_FAILED = 55,
+
 	/* Unused */
 	NM_DEVICE_STATE_REASON_LAST = 0xFFFF
 } NMDeviceStateReason;

introspection/nm-device.xml

@@ -579,6 +579,11 @@
           A secondary connection of the base connection failed.
         </tp:docstring>
       </tp:enumvalue>
+      <tp:enumvalue suffix="DCB_FCOE_FAILED" value="55">
+        <tp:docstring>
+          DCB or FCoE setup failed.
+        </tp:docstring>
+      </tp:enumvalue>
     </tp:enum>
 
     <tp:struct name="NM_DEVICE_STATE_REASON_STRUCT">

src/devices/nm-device-ethernet.c

@@ -55,6 +55,7 @@
 #include "nm-enum-types.h"
 #include "nm-dbus-manager.h"
 #include "nm-platform.h"
+#include "nm-dcb.h"
 
 #include "nm-device-ethernet-glue.h"
 
@@ -1045,9 +1046,24 @@ act_stage2_config (NMDevice *device, NMDeviceStateReason *reason)
 	NMSettingConnection *s_con;
 	const char *connection_type;
 	NMActStageReturn ret = NM_ACT_STAGE_RETURN_SUCCESS;
+	NMSettingDcb *s_dcb;
+	GError *error = NULL;
 
 	g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
 
+	/* DCB and FCoE setup */
+	s_dcb = (NMSettingDcb *) device_get_setting (device, NM_TYPE_SETTING_DCB);
+	if (s_dcb) {
+		if (!nm_dcb_setup (nm_device_get_iface (device), s_dcb, &error)) {
+			nm_log_warn (LOGD_DEVICE | LOGD_HW,
+			             "Activation (%s/wired) failed to enable DCB/FCoE: %s",
+			             nm_device_get_iface (device), error->message);
+			g_clear_error (&error);
+			*reason = NM_DEVICE_STATE_REASON_DCB_FCOE_FAILED;
+			return NM_ACT_STAGE_RETURN_FAILURE;
+		}
+	}
+
 	s_con = NM_SETTING_CONNECTION (device_get_setting (device, NM_TYPE_SETTING_CONNECTION));
 	g_assert (s_con);
 
@@ -1113,6 +1129,8 @@ deactivate (NMDevice *device)
 {
 	NMDeviceEthernet *self = NM_DEVICE_ETHERNET (device);
 	NMDeviceEthernetPrivate *priv = NM_DEVICE_ETHERNET_GET_PRIVATE (self);
+	NMSettingDcb *s_dcb;
+	GError *error = NULL;
 
 	/* Clear wired secrets tries when deactivating */
 	clear_secrets_tries (device);
@@ -1129,6 +1147,17 @@ deactivate (NMDevice *device)
 
 	supplicant_interface_release (self);
 
+	/* Tear down DCB/FCoE if it was enabled */
+	s_dcb = (NMSettingDcb *) device_get_setting (device, NM_TYPE_SETTING_DCB);
+	if (s_dcb) {
+		if (!nm_dcb_cleanup (nm_device_get_iface (device), &error)) {
+			nm_log_warn (LOGD_DEVICE | LOGD_HW,
+			             "(%s) failed to disable DCB/FCoE: %s",
+			             nm_device_get_iface (device), error->message);
+			g_clear_error (&error);
+		}
+	}
+
 	/* Reset MAC address back to initial address */
 	nm_device_set_hw_addr (device, priv->initial_hw_addr, "reset", LOGD_ETHER);
 }