New upstream version 1.29.90 upstream/1.29.90

1 files changed, 339 insertions, 0 deletions

diff --git a/src/core/devices/nm-device-6lowpan.c b/src/core/devices/nm-device-6lowpan.c
new file mode 100644
index 00000000..fe116dd4
--- /dev/null
+++ b/src/core/devices/nm-device-6lowpan.c
@@ -0,0 +1,339 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2018 Red Hat, Inc.
+ */
+
+#include "src/core/nm-default-daemon.h"
+
+#include "nm-device-6lowpan.h"
+
+#include "nm-device-private.h"
+#include "settings/nm-settings.h"
+#include "platform/nm-platform.h"
+#include "nm-device-factory.h"
+#include "nm-setting-6lowpan.h"
+#include "nm-utils.h"
+
+#define _NMLOG_DEVICE_TYPE NMDevice6Lowpan
+#include "nm-device-logging.h"
+
+/*****************************************************************************/
+
+typedef struct {
+    gulong parent_state_id;
+} NMDevice6LowpanPrivate;
+
+struct _NMDevice6Lowpan {
+    NMDevice               parent;
+    NMDevice6LowpanPrivate _priv;
+};
+
+struct _NMDevice6LowpanClass {
+    NMDeviceClass parent;
+};
+
+G_DEFINE_TYPE(NMDevice6Lowpan, nm_device_6lowpan, NM_TYPE_DEVICE)
+
+#define NM_DEVICE_6LOWPAN_GET_PRIVATE(self) \
+    _NM_GET_PRIVATE(self, NMDevice6Lowpan, NM_IS_DEVICE_6LOWPAN, NMDevice)
+
+/*****************************************************************************/
+
+static void
+parent_state_changed(NMDevice *          parent,
+                     NMDeviceState       new_state,
+                     NMDeviceState       old_state,
+                     NMDeviceStateReason reason,
+                     gpointer            user_data)
+{
+    NMDevice6Lowpan *self = NM_DEVICE_6LOWPAN(user_data);
+
+    nm_device_set_unmanaged_by_flags(NM_DEVICE(self),
+                                     NM_UNMANAGED_PARENT,
+                                     !nm_device_get_managed(parent, FALSE),
+                                     reason);
+}
+
+static void
+parent_changed_notify(NMDevice *device,
+                      int       old_ifindex,
+                      NMDevice *old_parent,
+                      int       new_ifindex,
+                      NMDevice *new_parent)
+{
+    NMDevice6Lowpan *       self = NM_DEVICE_6LOWPAN(device);
+    NMDevice6LowpanPrivate *priv = NM_DEVICE_6LOWPAN_GET_PRIVATE(self);
+
+    NM_DEVICE_CLASS(nm_device_6lowpan_parent_class)
+        ->parent_changed_notify(device, old_ifindex, old_parent, new_ifindex, new_parent);
+
+    /*  note that @self doesn't have to clear @parent_state_id on dispose,
+     *  because NMDevice's dispose() will unset the parent, which in turn calls
+     *  parent_changed_notify(). */
+    nm_clear_g_signal_handler(old_parent, &priv->parent_state_id);
+
+    if (new_parent) {
+        priv->parent_state_id = g_signal_connect(new_parent,
+                                                 NM_DEVICE_STATE_CHANGED,
+                                                 G_CALLBACK(parent_state_changed),
+                                                 device);
+
+        /* Set parent-dependent unmanaged flag */
+        nm_device_set_unmanaged_by_flags(device,
+                                         NM_UNMANAGED_PARENT,
+                                         !nm_device_get_managed(new_parent, FALSE),
+                                         NM_DEVICE_STATE_REASON_PARENT_MANAGED_CHANGED);
+    }
+
+    if (new_ifindex > 0) {
+        /* Recheck availability now that the parent has changed */
+        nm_device_queue_recheck_available(device,
+                                          NM_DEVICE_STATE_REASON_PARENT_CHANGED,
+                                          NM_DEVICE_STATE_REASON_PARENT_CHANGED);
+    }
+}
+
+static gboolean
+create_and_realize(NMDevice *             device,
+                   NMConnection *         connection,
+                   NMDevice *             parent,
+                   const NMPlatformLink **out_plink,
+                   GError **              error)
+{
+    const char *      iface = nm_device_get_iface(device);
+    NMSetting6Lowpan *s_6lowpan;
+    int               parent_ifindex;
+    int               r;
+
+    s_6lowpan = NM_SETTING_6LOWPAN(nm_connection_get_setting(connection, NM_TYPE_SETTING_6LOWPAN));
+    g_return_val_if_fail(s_6lowpan, FALSE);
+
+    parent_ifindex = parent ? nm_device_get_ifindex(parent) : 0;
+
+    if (parent_ifindex <= 0) {
+        g_set_error(error,
+                    NM_DEVICE_ERROR,
+                    NM_DEVICE_ERROR_MISSING_DEPENDENCIES,
+                    "6LoWPAN devices can not be created without a parent interface");
+        g_return_val_if_fail(!parent, FALSE);
+        return FALSE;
+    }
+
+    r = nm_platform_link_6lowpan_add(nm_device_get_platform(device),
+                                     iface,
+                                     parent_ifindex,
+                                     out_plink);
+    if (r < 0) {
+        g_set_error(error,
+                    NM_DEVICE_ERROR,
+                    NM_DEVICE_ERROR_CREATION_FAILED,
+                    "Failed to create 6lowpan interface '%s' for '%s': %s",
+                    iface,
+                    nm_connection_get_id(connection),
+                    nm_strerror(r));
+        return FALSE;
+    }
+
+    nm_device_parent_set_ifindex(device, parent_ifindex);
+
+    return TRUE;
+}
+
+static NMDeviceCapabilities
+get_generic_capabilities(NMDevice *dev)
+{
+    return NM_DEVICE_CAP_CARRIER_DETECT | NM_DEVICE_CAP_IS_SOFTWARE;
+}
+
+static void
+link_changed(NMDevice *device, const NMPlatformLink *pllink)
+{
+    NMDevice6Lowpan *self   = NM_DEVICE_6LOWPAN(device);
+    int              parent = 0;
+    int              ifindex;
+
+    NM_DEVICE_CLASS(nm_device_6lowpan_parent_class)->link_changed(device, pllink);
+
+    ifindex = nm_device_get_ifindex(device);
+    if (!nm_platform_link_6lowpan_get_properties(nm_device_get_platform(device),
+                                                 ifindex,
+                                                 &parent)) {
+        _LOGW(LOGD_DEVICE, "could not get 6lowpan properties");
+        return;
+    }
+
+    nm_device_parent_set_ifindex(device, parent);
+}
+
+static gboolean
+is_available(NMDevice *device, NMDeviceCheckDevAvailableFlags flags)
+{
+    if (!nm_device_parent_get_device(device))
+        return FALSE;
+    return NM_DEVICE_CLASS(nm_device_6lowpan_parent_class)->is_available(device, flags);
+}
+
+static gboolean
+complete_connection(NMDevice *           device,
+                    NMConnection *       connection,
+                    const char *         specific_object,
+                    NMConnection *const *existing_connections,
+                    GError **            error)
+{
+    NMSetting6Lowpan *s_6lowpan;
+
+    nm_utils_complete_generic(nm_device_get_platform(device),
+                              connection,
+                              NM_SETTING_6LOWPAN_SETTING_NAME,
+                              existing_connections,
+                              NULL,
+                              _("6LOWPAN connection"),
+                              NULL,
+                              NULL,
+                              TRUE);
+
+    s_6lowpan = NM_SETTING_6LOWPAN(nm_connection_get_setting(connection, NM_TYPE_SETTING_6LOWPAN));
+    if (!s_6lowpan) {
+        g_set_error_literal(error,
+                            NM_DEVICE_ERROR,
+                            NM_DEVICE_ERROR_INVALID_CONNECTION,
+                            "A '6lowpan' setting is required.");
+        return FALSE;
+    }
+
+    /* If there's no 6LoWPAN interface, no parent, and no hardware address in the
+     * settings, then there's not enough information to complete the setting.
+     */
+    if (!nm_setting_6lowpan_get_parent(s_6lowpan)
+        && !nm_device_match_parent_hwaddr(device, connection, TRUE)) {
+        g_set_error_literal(
+            error,
+            NM_DEVICE_ERROR,
+            NM_DEVICE_ERROR_INVALID_CONNECTION,
+            "The '6lowpan' setting had no interface name, parent, or hardware address.");
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static void
+update_connection(NMDevice *device, NMConnection *connection)
+{
+    NMSetting6Lowpan *s_6lowpan =
+        NM_SETTING_6LOWPAN(nm_connection_get_setting(connection, NM_TYPE_SETTING_6LOWPAN));
+
+    if (!s_6lowpan) {
+        s_6lowpan = (NMSetting6Lowpan *) nm_setting_6lowpan_new();
+        nm_connection_add_setting(connection, (NMSetting *) s_6lowpan);
+    }
+
+    g_object_set(
+        s_6lowpan,
+        NM_SETTING_6LOWPAN_PARENT,
+        nm_device_parent_find_for_connection(device, nm_setting_6lowpan_get_parent(s_6lowpan)),
+        NULL);
+}
+
+/*****************************************************************************/
+
+static void
+nm_device_6lowpan_init(NMDevice6Lowpan *self)
+{}
+
+static const NMDBusInterfaceInfoExtended interface_info_device_6lowpan = {
+    .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT(
+        NM_DBUS_INTERFACE_DEVICE_6LOWPAN,
+        .properties = NM_DEFINE_GDBUS_PROPERTY_INFOS(
+            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("HwAddress", "s", NM_DEVICE_HW_ADDRESS),
+            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Parent", "o", NM_DEVICE_PARENT), ), ),
+};
+
+static void
+nm_device_6lowpan_class_init(NMDevice6LowpanClass *klass)
+{
+    NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(klass);
+    NMDeviceClass *    device_class      = NM_DEVICE_CLASS(klass);
+
+    dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS(&interface_info_device_6lowpan);
+
+    device_class->connection_type_supported        = NM_SETTING_6LOWPAN_SETTING_NAME;
+    device_class->connection_type_check_compatible = NM_SETTING_6LOWPAN_SETTING_NAME;
+    device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES(NM_LINK_TYPE_6LOWPAN);
+
+    device_class->act_stage1_prepare_set_hwaddr_ethernet = TRUE;
+    device_class->complete_connection                    = complete_connection;
+    device_class->create_and_realize                     = create_and_realize;
+    device_class->get_generic_capabilities               = get_generic_capabilities;
+    device_class->get_configured_mtu                     = nm_device_get_configured_mtu_for_wired;
+    device_class->link_changed                           = link_changed;
+    device_class->is_available                           = is_available;
+    device_class->parent_changed_notify                  = parent_changed_notify;
+    device_class->update_connection                      = update_connection;
+}
+
+/*****************************************************************************/
+
+#define NM_TYPE_6LOWPAN_DEVICE_FACTORY (nm_6lowpan_device_factory_get_type())
+#define NM_6LOWPAN_DEVICE_FACTORY(obj) \
+    (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_6LOWPAN_DEVICE_FACTORY, NM6LowpanDeviceFactory))
+
+static NMDevice *
+create_device(NMDeviceFactory *     factory,
+              const char *          iface,
+              const NMPlatformLink *plink,
+              NMConnection *        connection,
+              gboolean *            out_ignore)
+{
+    return g_object_new(NM_TYPE_DEVICE_6LOWPAN,
+                        NM_DEVICE_IFACE,
+                        iface,
+                        NM_DEVICE_TYPE_DESC,
+                        "6LoWPAN",
+                        NM_DEVICE_DEVICE_TYPE,
+                        NM_DEVICE_TYPE_6LOWPAN,
+                        NM_DEVICE_LINK_TYPE,
+                        NM_LINK_TYPE_6LOWPAN,
+                        NULL);
+}
+
+static const char *
+get_connection_parent(NMDeviceFactory *factory, NMConnection *connection)
+{
+    NMSetting6Lowpan *s_6lowpan;
+
+    g_return_val_if_fail(nm_connection_is_type(connection, NM_SETTING_6LOWPAN_SETTING_NAME), NULL);
+
+    s_6lowpan = NM_SETTING_6LOWPAN(nm_connection_get_setting(connection, NM_TYPE_SETTING_6LOWPAN));
+    g_assert(s_6lowpan);
+
+    return nm_setting_6lowpan_get_parent(s_6lowpan);
+}
+
+static char *
+get_connection_iface(NMDeviceFactory *factory, NMConnection *connection, const char *parent_iface)
+{
+    NMSetting6Lowpan *s_6lowpan;
+    const char *      ifname;
+
+    g_return_val_if_fail(nm_connection_is_type(connection, NM_SETTING_6LOWPAN_SETTING_NAME), NULL);
+
+    s_6lowpan = NM_SETTING_6LOWPAN(nm_connection_get_setting(connection, NM_TYPE_SETTING_6LOWPAN));
+    g_assert(s_6lowpan);
+
+    if (!parent_iface)
+        return NULL;
+
+    ifname = nm_connection_get_interface_name(connection);
+    return g_strdup(ifname);
+}
+
+NM_DEVICE_FACTORY_DEFINE_INTERNAL(
+    6LOWPAN,
+    6Lowpan,
+    6lowpan,
+    NM_DEVICE_FACTORY_DECLARE_LINK_TYPES(NM_LINK_TYPE_6LOWPAN)
+        NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES(NM_SETTING_6LOWPAN_SETTING_NAME),
+    factory_class->create_device         = create_device;
+    factory_class->get_connection_parent = get_connection_parent;
+    factory_class->get_connection_iface  = get_connection_iface;);