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Diffstat (limited to 'src/core/devices/nm-device-vrf.c')
-rw-r--r--src/core/devices/nm-device-vrf.c375
1 files changed, 375 insertions, 0 deletions
diff --git a/src/core/devices/nm-device-vrf.c b/src/core/devices/nm-device-vrf.c
new file mode 100644
index 00000000..4fec59ba
--- /dev/null
+++ b/src/core/devices/nm-device-vrf.c
@@ -0,0 +1,375 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include "src/core/nm-default-daemon.h"
+
+#include "nm-device-vrf.h"
+
+#include "nm-core-internal.h"
+#include "nm-device-factory.h"
+#include "nm-device-private.h"
+#include "nm-manager.h"
+#include "nm-setting-vrf.h"
+#include "platform/nm-platform.h"
+#include "settings/nm-settings.h"
+
+#define _NMLOG_DEVICE_TYPE NMDeviceVrf
+#include "nm-device-logging.h"
+
+/*****************************************************************************/
+
+NM_GOBJECT_PROPERTIES_DEFINE(NMDeviceVrf, PROP_TABLE, );
+
+typedef struct {
+    NMPlatformLnkVrf props;
+} NMDeviceVrfPrivate;
+
+struct _NMDeviceVrf {
+    NMDevice           parent;
+    NMDeviceVrfPrivate _priv;
+};
+
+struct _NMDeviceVrfClass {
+    NMDeviceClass parent;
+};
+
+G_DEFINE_TYPE(NMDeviceVrf, nm_device_vrf, NM_TYPE_DEVICE)
+
+#define NM_DEVICE_VRF_GET_PRIVATE(self) \
+    _NM_GET_PRIVATE(self, NMDeviceVrf, NM_IS_DEVICE_VRF, NMDevice)
+
+/*****************************************************************************/
+
+static void
+do_update_properties(NMDeviceVrf *self, const NMPlatformLnkVrf *props)
+{
+    NMDeviceVrfPrivate *priv   = NM_DEVICE_VRF_GET_PRIVATE(self);
+    GObject *           object = G_OBJECT(self);
+    NMPlatformLnkVrf    props_null;
+
+    if (!props) {
+        props_null = (NMPlatformLnkVrf){};
+        props      = &props_null;
+    }
+
+    g_object_freeze_notify(object);
+
+#define CHECK_PROPERTY_CHANGED(field, prop)      \
+    G_STMT_START                                 \
+    {                                            \
+        if (priv->props.field != props->field) { \
+            priv->props.field = props->field;    \
+            _notify(self, prop);                 \
+        }                                        \
+    }                                            \
+    G_STMT_END
+
+    CHECK_PROPERTY_CHANGED(table, PROP_TABLE);
+
+    g_object_thaw_notify(object);
+}
+
+static void
+update_properties(NMDevice *device)
+{
+    NMDeviceVrf *           self = NM_DEVICE_VRF(device);
+    const NMPlatformLnkVrf *props;
+
+    props = nm_platform_link_get_lnk_vrf(nm_device_get_platform(device),
+                                         nm_device_get_ifindex(device),
+                                         NULL);
+    if (!props) {
+        _LOGW(LOGD_PLATFORM, "could not get vrf properties");
+        return;
+    }
+
+    do_update_properties(self, props);
+}
+
+static NMDeviceCapabilities
+get_generic_capabilities(NMDevice *dev)
+{
+    return NM_DEVICE_CAP_IS_SOFTWARE;
+}
+
+static void
+link_changed(NMDevice *device, const NMPlatformLink *pllink)
+{
+    NM_DEVICE_CLASS(nm_device_vrf_parent_class)->link_changed(device, pllink);
+    update_properties(device);
+}
+
+static void
+unrealize_notify(NMDevice *device)
+{
+    NMDeviceVrf *self = NM_DEVICE_VRF(device);
+
+    NM_DEVICE_CLASS(nm_device_vrf_parent_class)->unrealize_notify(device);
+
+    do_update_properties(self, NULL);
+}
+
+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);
+    NMPlatformLnkVrf props = {};
+    NMSettingVrf *   s_vrf;
+    int              r;
+
+    s_vrf = _nm_connection_get_setting(connection, NM_TYPE_SETTING_VRF);
+    nm_assert(s_vrf);
+
+    props.table = nm_setting_vrf_get_table(s_vrf);
+
+    r = nm_platform_link_vrf_add(nm_device_get_platform(device), iface, &props, out_plink);
+    if (r < 0) {
+        g_set_error(error,
+                    NM_DEVICE_ERROR,
+                    NM_DEVICE_ERROR_CREATION_FAILED,
+                    "Failed to create VRF interface '%s' for '%s': %s",
+                    iface,
+                    nm_connection_get_id(connection),
+                    nm_strerror(r));
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static gboolean
+check_connection_compatible(NMDevice *device, NMConnection *connection, GError **error)
+{
+    NMDeviceVrfPrivate *priv = NM_DEVICE_VRF_GET_PRIVATE(device);
+    NMSettingVrf *      s_vrf;
+
+    if (!NM_DEVICE_CLASS(nm_device_vrf_parent_class)
+             ->check_connection_compatible(device, connection, error))
+        return FALSE;
+
+    if (nm_device_is_real(device)) {
+        s_vrf = _nm_connection_get_setting(connection, NM_TYPE_SETTING_VRF);
+
+        if (priv->props.table != nm_setting_vrf_get_table(s_vrf)) {
+            nm_utils_error_set_literal(error,
+                                       NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY,
+                                       "vrf table mismatches");
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}
+
+static gboolean
+complete_connection(NMDevice *           device,
+                    NMConnection *       connection,
+                    const char *         specific_object,
+                    NMConnection *const *existing_connections,
+                    GError **            error)
+{
+    NMSettingVrf *s_vrf;
+
+    nm_utils_complete_generic(nm_device_get_platform(device),
+                              connection,
+                              NM_SETTING_VRF_SETTING_NAME,
+                              existing_connections,
+                              NULL,
+                              _("VRF connection"),
+                              NULL,
+                              NULL,
+                              TRUE);
+
+    s_vrf = _nm_connection_get_setting(connection, NM_TYPE_SETTING_VRF);
+    if (!s_vrf) {
+        g_set_error_literal(error,
+                            NM_DEVICE_ERROR,
+                            NM_DEVICE_ERROR_INVALID_CONNECTION,
+                            "A 'vrf' setting is required.");
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static void
+update_connection(NMDevice *device, NMConnection *connection)
+{
+    NMDeviceVrfPrivate *priv  = NM_DEVICE_VRF_GET_PRIVATE(device);
+    NMSettingVrf *      s_vrf = _nm_connection_get_setting(connection, NM_TYPE_SETTING_VRF);
+
+    if (!s_vrf) {
+        s_vrf = (NMSettingVrf *) nm_setting_vrf_new();
+        nm_connection_add_setting(connection, (NMSetting *) s_vrf);
+    }
+
+    if (priv->props.table != nm_setting_vrf_get_table(s_vrf))
+        g_object_set(G_OBJECT(s_vrf), NM_SETTING_VRF_TABLE, priv->props.table, NULL);
+}
+
+static gboolean
+enslave_slave(NMDevice *device, NMDevice *slave, NMConnection *connection, gboolean configure)
+{
+    NMDeviceVrf *self        = NM_DEVICE_VRF(device);
+    gboolean     success     = TRUE;
+    const char * slave_iface = nm_device_get_ip_iface(slave);
+
+    nm_device_master_check_slave_physical_port(device, slave, LOGD_DEVICE);
+
+    if (configure) {
+        nm_device_take_down(slave, TRUE);
+        success = nm_platform_link_enslave(nm_device_get_platform(device),
+                                           nm_device_get_ip_ifindex(device),
+                                           nm_device_get_ip_ifindex(slave));
+        nm_device_bring_up(slave, TRUE, NULL);
+
+        if (!success)
+            return FALSE;
+
+        _LOGI(LOGD_DEVICE, "enslaved VRF slave %s", slave_iface);
+    } else
+        _LOGI(LOGD_BOND, "VRF slave %s was enslaved", slave_iface);
+
+    return TRUE;
+}
+
+static void
+release_slave(NMDevice *device, NMDevice *slave, gboolean configure)
+{
+    NMDeviceVrf *self = NM_DEVICE_VRF(device);
+    gboolean     success;
+    int          ifindex_slave;
+    int          ifindex;
+
+    if (configure) {
+        ifindex = nm_device_get_ifindex(device);
+        if (ifindex <= 0 || !nm_platform_link_get(nm_device_get_platform(device), ifindex))
+            configure = FALSE;
+    }
+
+    ifindex_slave = nm_device_get_ip_ifindex(slave);
+
+    if (ifindex_slave <= 0)
+        _LOGD(LOGD_DEVICE, "VRF slave %s is already released", nm_device_get_ip_iface(slave));
+
+    if (configure) {
+        if (ifindex_slave > 0) {
+            success = nm_platform_link_release(nm_device_get_platform(device),
+                                               nm_device_get_ip_ifindex(device),
+                                               ifindex_slave);
+
+            if (success) {
+                _LOGI(LOGD_DEVICE, "released VRF slave %s", nm_device_get_ip_iface(slave));
+            } else {
+                _LOGW(LOGD_DEVICE, "failed to release VRF slave %s", nm_device_get_ip_iface(slave));
+            }
+        }
+    } else {
+        if (ifindex_slave > 0) {
+            _LOGI(LOGD_DEVICE, "VRF slave %s was released", nm_device_get_ip_iface(slave));
+        }
+    }
+}
+
+/*****************************************************************************/
+
+static void
+get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+    NMDeviceVrfPrivate *priv = NM_DEVICE_VRF_GET_PRIVATE(object);
+
+    switch (prop_id) {
+    case PROP_TABLE:
+        g_value_set_uint(value, priv->props.table);
+        break;
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
+        break;
+    }
+}
+
+/*****************************************************************************/
+
+static void
+nm_device_vrf_init(NMDeviceVrf *self)
+{}
+
+static const NMDBusInterfaceInfoExtended interface_info_device_vrf = {
+    .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT(
+        NM_DBUS_INTERFACE_DEVICE_VRF,
+        .properties = NM_DEFINE_GDBUS_PROPERTY_INFOS(
+            NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE("Table", "u", NM_DEVICE_VRF_TABLE), ), ),
+};
+
+static void
+nm_device_vrf_class_init(NMDeviceVrfClass *klass)
+{
+    GObjectClass *     object_class      = G_OBJECT_CLASS(klass);
+    NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(klass);
+    NMDeviceClass *    device_class      = NM_DEVICE_CLASS(klass);
+
+    object_class->get_property = get_property;
+
+    dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS(&interface_info_device_vrf);
+
+    device_class->connection_type_supported        = NM_SETTING_VRF_SETTING_NAME;
+    device_class->connection_type_check_compatible = NM_SETTING_VRF_SETTING_NAME;
+    device_class->is_master                        = TRUE;
+    device_class->link_types                       = NM_DEVICE_DEFINE_LINK_TYPES(NM_LINK_TYPE_VRF);
+
+    device_class->enslave_slave               = enslave_slave;
+    device_class->release_slave               = release_slave;
+    device_class->link_changed                = link_changed;
+    device_class->unrealize_notify            = unrealize_notify;
+    device_class->create_and_realize          = create_and_realize;
+    device_class->check_connection_compatible = check_connection_compatible;
+    device_class->complete_connection         = complete_connection;
+    device_class->get_generic_capabilities    = get_generic_capabilities;
+    device_class->update_connection           = update_connection;
+
+    obj_properties[PROP_TABLE] = g_param_spec_uint(NM_DEVICE_VRF_TABLE,
+                                                   "",
+                                                   "",
+                                                   0,
+                                                   G_MAXUINT32,
+                                                   0,
+                                                   G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+    g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties);
+}
+
+/*****************************************************************************/
+
+#define NM_TYPE_VRF_DEVICE_FACTORY (nm_vrf_device_factory_get_type())
+#define NM_VRF_DEVICE_FACTORY(obj) \
+    (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_VRF_DEVICE_FACTORY, NMVrfDeviceFactory))
+
+static NMDevice *
+create_device(NMDeviceFactory *     factory,
+              const char *          iface,
+              const NMPlatformLink *plink,
+              NMConnection *        connection,
+              gboolean *            out_ignore)
+{
+    return g_object_new(NM_TYPE_DEVICE_VRF,
+                        NM_DEVICE_IFACE,
+                        iface,
+                        NM_DEVICE_TYPE_DESC,
+                        "Vrf",
+                        NM_DEVICE_DEVICE_TYPE,
+                        NM_DEVICE_TYPE_VRF,
+                        NM_DEVICE_LINK_TYPE,
+                        NM_LINK_TYPE_VRF,
+                        NULL);
+}
+
+NM_DEVICE_FACTORY_DEFINE_INTERNAL(
+    VRF,
+    Vrf,
+    vrf,
+    NM_DEVICE_FACTORY_DECLARE_LINK_TYPES(NM_LINK_TYPE_VRF)
+        NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES(NM_SETTING_VRF_SETTING_NAME),
+    factory_class->create_device = create_device;);