4 files changed, 43 insertions, 0 deletions

diff --git a/src/platform/nm-fake-platform.c b/src/platform/nm-fake-platform.c
index be59f964a6..70d7ace9cc 100644
--- a/src/platform/nm-fake-platform.c
+++ b/src/platform/nm-fake-platform.c
@@ -299,6 +299,12 @@ link_get_type_name (NMPlatform *platform, int ifindex)
 	return type_to_type_name (link_get_type (platform, ifindex));
 }
 
+static gboolean
+link_get_unmanaged (NMPlatform *platform, int ifindex, gboolean *managed)
+{
+	return FALSE;
+}
+
 static void
 link_changed (NMPlatform *platform, NMFakePlatformLink *device)
 {
@@ -1329,6 +1335,7 @@ nm_fake_platform_class_init (NMFakePlatformClass *klass)
 	platform_class->link_get_name = link_get_name;
 	platform_class->link_get_type = link_get_type;
 	platform_class->link_get_type_name = link_get_type_name;
+	platform_class->link_get_unmanaged = link_get_unmanaged;
 
 	platform_class->link_set_up = link_set_up;
 	platform_class->link_set_down = link_set_down;
diff --git a/src/platform/nm-linux-platform.c b/src/platform/nm-linux-platform.c
index ecde99e6c2..1e5673011b 100644
--- a/src/platform/nm-linux-platform.c
+++ b/src/platform/nm-linux-platform.c
@@ -2370,6 +2370,20 @@ link_get_type_name (NMPlatform *platform, int ifindex)
 	return type;
 }
 
+static gboolean
+link_get_unmanaged (NMPlatform *platform, int ifindex, gboolean *managed)
+{
+	NMLinuxPlatformPrivate *priv = NM_LINUX_PLATFORM_GET_PRIVATE (platform);
+	GUdevDevice *udev_device = g_hash_table_lookup (priv->udev_devices, GINT_TO_POINTER (ifindex));
+
+	if (g_udev_device_get_property (udev_device, "NM_UNMANAGED")) {
+		*managed = g_udev_device_get_property_as_boolean (udev_device, "NM_UNMANAGED");
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
 static guint32
 link_get_flags (NMPlatform *platform, int ifindex)
 {
@@ -4530,6 +4544,7 @@ nm_linux_platform_class_init (NMLinuxPlatformClass *klass)
 	platform_class->link_get_name = link_get_name;
 	platform_class->link_get_type = link_get_type;
 	platform_class->link_get_type_name = link_get_type_name;
+	platform_class->link_get_unmanaged = link_get_unmanaged;
 
 	platform_class->link_refresh = link_refresh;
 
diff --git a/src/platform/nm-platform.c b/src/platform/nm-platform.c
index 725fb2f347..892f74ab7b 100644
--- a/src/platform/nm-platform.c
+++ b/src/platform/nm-platform.c
@@ -684,6 +684,25 @@ nm_platform_link_get_type_name (int ifindex)
 }
 
 /**
+ * nm_platform_link_get_unmanaged:
+ * @ifindex: Interface index.
+ * @managed: Management status in case %TRUE is returned
+ *
+ * Returns: %TRUE if platform overrides whether the device ought
+ * to be managed by default. %FALSE with @managed unmodified
+ * otherwise.
+ */
+gboolean
+nm_platform_link_get_unmanaged (int ifindex, gboolean *managed)
+{
+	reset_error ();
+
+	g_return_val_if_fail (klass->link_get_unmanaged, FALSE);
+
+	return klass->link_get_unmanaged (platform, ifindex, managed);
+}
+
+/**
  * nm_platform_link_is_software:
  * @ifindex: Interface index.
  *
diff --git a/src/platform/nm-platform.h b/src/platform/nm-platform.h
index a49e0f11ba..e96a517fb9 100644
--- a/src/platform/nm-platform.h
+++ b/src/platform/nm-platform.h
@@ -368,6 +368,7 @@ typedef struct {
 	const char *(*link_get_name) (NMPlatform *, int ifindex);
 	NMLinkType (*link_get_type) (NMPlatform *, int ifindex);
 	const char *(*link_get_type_name) (NMPlatform *, int ifindex);
+	gboolean (*link_get_unmanaged) (NMPlatform *, int ifindex, gboolean *managed);
 
 	gboolean (*link_refresh) (NMPlatform *, int ifindex);
 
@@ -515,6 +516,7 @@ int nm_platform_link_get_ifindex (const char *name);
 const char *nm_platform_link_get_name (int ifindex);
 NMLinkType nm_platform_link_get_type (int ifindex);
 const char *nm_platform_link_get_type_name (int ifindex);
+gboolean nm_platform_link_get_unmanaged (int ifindex, gboolean *managed);
 gboolean nm_platform_link_is_software (int ifindex);
 gboolean nm_platform_link_supports_slaves (int ifindex);