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Diffstat (limited to 'libnm-util/nm-setting-bridge.c')
| -rw-r--r-- | libnm-util/nm-setting-bridge.c | 498 |
1 files changed, 498 insertions, 0 deletions
diff --git a/libnm-util/nm-setting-bridge.c b/libnm-util/nm-setting-bridge.c new file mode 100644 index 00000000..3363ffd4 --- /dev/null +++ b/libnm-util/nm-setting-bridge.c @@ -0,0 +1,498 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ + +/* + * Thomas Graf <tgraf@redhat.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + * + * (C) Copyright 2011 - 2012 Red Hat, Inc. + */ + +#include <string.h> +#include <ctype.h> +#include <stdlib.h> +#include <dbus/dbus-glib.h> + +#include "nm-setting-bridge.h" +#include "nm-param-spec-specialized.h" +#include "nm-setting-private.h" +#include "nm-utils.h" +#include "nm-utils-private.h" +#include "nm-dbus-glib-types.h" + +/** + * SECTION:nm-setting-bridge + * @short_description: Describes connection properties for bridges + * @include: nm-setting-bridge.h + * + * The #NMSettingBridge object is a #NMSetting subclass that describes properties + * necessary for bridging connections. + **/ + +/** + * nm_setting_bridge_error_quark: + * + * Registers an error quark for #NMSettingBridge if necessary. + * + * Returns: the error quark used for #NMSettingBridge errors. + **/ +GQuark +nm_setting_bridge_error_quark (void) +{ + static GQuark quark; + + if (G_UNLIKELY (!quark)) + quark = g_quark_from_static_string ("nm-setting-bridge-error-quark"); + return quark; +} + + +G_DEFINE_TYPE_WITH_CODE (NMSettingBridge, nm_setting_bridge, NM_TYPE_SETTING, + _nm_register_setting (NM_SETTING_BRIDGE_SETTING_NAME, + g_define_type_id, + 1, + NM_SETTING_BRIDGE_ERROR)) +NM_SETTING_REGISTER_TYPE (NM_TYPE_SETTING_BRIDGE) + +#define NM_SETTING_BRIDGE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_SETTING_BRIDGE, NMSettingBridgePrivate)) + +typedef struct { + char * interface_name; + gboolean stp; + guint16 priority; + guint16 forward_delay; + guint16 hello_time; + guint16 max_age; + guint32 ageing_time; +} NMSettingBridgePrivate; + +enum { + PROP_0, + PROP_INTERFACE_NAME, + PROP_STP, + PROP_PRIORITY, + PROP_FORWARD_DELAY, + PROP_HELLO_TIME, + PROP_MAX_AGE, + PROP_AGEING_TIME, + LAST_PROP +}; + +/** + * nm_setting_bridge_new: + * + * Creates a new #NMSettingBridge object with default values. + * + * Returns: (transfer full): the new empty #NMSettingBridge object + **/ +NMSetting * +nm_setting_bridge_new (void) +{ + return (NMSetting *) g_object_new (NM_TYPE_SETTING_BRIDGE, NULL); +} + +/** + * nm_setting_bridge_get_interface_name: + * @setting: the #NMSettingBridge + * + * Returns: the #NMSettingBridge:interface-name property of the setting + **/ +const char * +nm_setting_bridge_get_interface_name (NMSettingBridge *setting) +{ + g_return_val_if_fail (NM_IS_SETTING_BRIDGE (setting), 0); + + return NM_SETTING_BRIDGE_GET_PRIVATE (setting)->interface_name; +} + +/** + * nm_setting_bridge_get_stp: + * @setting: the #NMSettingBridge + * + * Returns: the #NMSettingBridge:stp property of the setting + **/ +gboolean +nm_setting_bridge_get_stp (NMSettingBridge *setting) +{ + g_return_val_if_fail (NM_IS_SETTING_BRIDGE (setting), FALSE); + + return NM_SETTING_BRIDGE_GET_PRIVATE (setting)->stp; +} + +/** + * nm_setting_bridge_get_priority: + * @setting: the #NMSettingBridge + * + * Returns: the #NMSettingBridge:priority property of the setting + **/ +guint16 +nm_setting_bridge_get_priority (NMSettingBridge *setting) +{ + g_return_val_if_fail (NM_IS_SETTING_BRIDGE (setting), 0); + + return NM_SETTING_BRIDGE_GET_PRIVATE (setting)->priority; +} + +/** + * nm_setting_bridge_get_forward_delay: + * @setting: the #NMSettingBridge + * + * Returns: the #NMSettingBridge:forward-delay property of the setting + **/ +guint16 +nm_setting_bridge_get_forward_delay (NMSettingBridge *setting) +{ + g_return_val_if_fail (NM_IS_SETTING_BRIDGE (setting), 0); + + return NM_SETTING_BRIDGE_GET_PRIVATE (setting)->forward_delay; +} + +/** + * nm_setting_bridge_get_hello_time: + * @setting: the #NMSettingBridge + * + * Returns: the #NMSettingBridge:hello-time property of the setting + **/ +guint16 +nm_setting_bridge_get_hello_time (NMSettingBridge *setting) +{ + g_return_val_if_fail (NM_IS_SETTING_BRIDGE (setting), 0); + + return NM_SETTING_BRIDGE_GET_PRIVATE (setting)->hello_time; +} + +/** + * nm_setting_bridge_get_max_age: + * @setting: the #NMSettingBridge + * + * Returns: the #NMSettingBridge:max-age property of the setting + **/ +guint16 +nm_setting_bridge_get_max_age (NMSettingBridge *setting) +{ + g_return_val_if_fail (NM_IS_SETTING_BRIDGE (setting), 0); + + return NM_SETTING_BRIDGE_GET_PRIVATE (setting)->max_age; +} + +/** + * nm_setting_bridge_get_ageing_time: + * @setting: the #NMSettingBridge + * + * Returns: the #NMSettingBridge:ageing-time property of the setting + **/ +guint +nm_setting_bridge_get_ageing_time (NMSettingBridge *setting) +{ + g_return_val_if_fail (NM_IS_SETTING_BRIDGE (setting), 0); + + return NM_SETTING_BRIDGE_GET_PRIVATE (setting)->ageing_time; +} + +/* IEEE 802.1D-1998 timer values */ +#define BR_MIN_HELLO_TIME 1 +#define BR_MAX_HELLO_TIME 10 + +#define BR_MIN_FORWARD_DELAY 2 +#define BR_MAX_FORWARD_DELAY 30 + +#define BR_MIN_MAX_AGE 6 +#define BR_MAX_MAX_AGE 40 + +/* IEEE 802.1D-1998 Table 7.4 */ +#define BR_MIN_AGEING_TIME 0 +#define BR_MAX_AGEING_TIME 1000000 + +static inline gboolean +check_range (guint32 val, + guint32 min, + guint32 max, + const char *prop, + GError **error) +{ + if ((val != 0) && (val < min || val > max)) { + g_set_error_literal (error, + NM_SETTING_BRIDGE_ERROR, + NM_SETTING_BRIDGE_ERROR_INVALID_PROPERTY, + prop); + return FALSE; + } + return TRUE; +} + +static gboolean +verify (NMSetting *setting, GSList *all_settings, GError **error) +{ + NMSettingBridgePrivate *priv = NM_SETTING_BRIDGE_GET_PRIVATE (setting); + + if (!priv->interface_name || !strlen(priv->interface_name)) { + g_set_error (error, + NM_SETTING_BRIDGE_ERROR, + NM_SETTING_BRIDGE_ERROR_MISSING_PROPERTY, + NM_SETTING_BRIDGE_INTERFACE_NAME); + return FALSE; + } + + if (!nm_utils_iface_valid_name (priv->interface_name)) { + g_set_error (error, + NM_SETTING_BRIDGE_ERROR, + NM_SETTING_BRIDGE_ERROR_INVALID_PROPERTY, + NM_SETTING_BRIDGE_INTERFACE_NAME); + return FALSE; + } + + if (!check_range (priv->forward_delay, + BR_MIN_FORWARD_DELAY, + BR_MAX_FORWARD_DELAY, + NM_SETTING_BRIDGE_FORWARD_DELAY, + error)) + return FALSE; + + if (!check_range (priv->hello_time, + BR_MIN_HELLO_TIME, + BR_MAX_HELLO_TIME, + NM_SETTING_BRIDGE_HELLO_TIME, + error)) + return FALSE; + + if (!check_range (priv->max_age, + BR_MIN_MAX_AGE, + BR_MAX_MAX_AGE, + NM_SETTING_BRIDGE_MAX_AGE, + error)) + return FALSE; + + if (!check_range (priv->ageing_time, + BR_MIN_AGEING_TIME, + BR_MAX_AGEING_TIME, + NM_SETTING_BRIDGE_AGEING_TIME, + error)) + return FALSE; + + return TRUE; +} + +static const char * +get_virtual_iface_name (NMSetting *setting) +{ + NMSettingBridge *self = NM_SETTING_BRIDGE (setting); + + return nm_setting_bridge_get_interface_name (self); +} + +static void +nm_setting_bridge_init (NMSettingBridge *setting) +{ + g_object_set (setting, NM_SETTING_NAME, NM_SETTING_BRIDGE_SETTING_NAME, NULL); +} + +static void +finalize (GObject *object) +{ + NMSettingBridgePrivate *priv = NM_SETTING_BRIDGE_GET_PRIVATE (object); + + g_free (priv->interface_name); + + G_OBJECT_CLASS (nm_setting_bridge_parent_class)->finalize (object); +} + +static void +set_property (GObject *object, guint prop_id, + const GValue *value, GParamSpec *pspec) +{ + NMSettingBridgePrivate *priv = NM_SETTING_BRIDGE_GET_PRIVATE (object); + + switch (prop_id) { + case PROP_INTERFACE_NAME: + g_free (priv->interface_name); + priv->interface_name = g_value_dup_string (value); + break; + case PROP_STP: + priv->stp = g_value_get_boolean (value); + break; + case PROP_PRIORITY: + priv->priority = (guint16) g_value_get_uint (value); + break; + case PROP_FORWARD_DELAY: + priv->forward_delay = (guint16) g_value_get_uint (value); + break; + case PROP_HELLO_TIME: + priv->hello_time = (guint16) g_value_get_uint (value); + break; + case PROP_MAX_AGE: + priv->max_age = (guint16) g_value_get_uint (value); + break; + case PROP_AGEING_TIME: + priv->ageing_time = g_value_get_uint (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +get_property (GObject *object, guint prop_id, + GValue *value, GParamSpec *pspec) +{ + NMSettingBridgePrivate *priv = NM_SETTING_BRIDGE_GET_PRIVATE (object); + NMSettingBridge *setting = NM_SETTING_BRIDGE (object); + + switch (prop_id) { + case PROP_INTERFACE_NAME: + g_value_set_string (value, nm_setting_bridge_get_interface_name (setting)); + break; + case PROP_STP: + g_value_set_boolean (value, priv->stp); + break; + case PROP_PRIORITY: + g_value_set_uint (value, priv->priority); + break; + case PROP_FORWARD_DELAY: + g_value_set_uint (value, priv->forward_delay); + break; + case PROP_HELLO_TIME: + g_value_set_uint (value, priv->hello_time); + break; + case PROP_MAX_AGE: + g_value_set_uint (value, priv->max_age); + break; + case PROP_AGEING_TIME: + g_value_set_uint (value, priv->ageing_time); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nm_setting_bridge_class_init (NMSettingBridgeClass *setting_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (setting_class); + NMSettingClass *parent_class = NM_SETTING_CLASS (setting_class); + + g_type_class_add_private (setting_class, sizeof (NMSettingBridgePrivate)); + + /* virtual methods */ + object_class->set_property = set_property; + object_class->get_property = get_property; + object_class->finalize = finalize; + parent_class->verify = verify; + parent_class->get_virtual_iface_name = get_virtual_iface_name; + + /* Properties */ + /** + * NMSettingBridge:interface-name: + * + * The name of the virtual in-kernel briding network interface + **/ + g_object_class_install_property + (object_class, PROP_INTERFACE_NAME, + g_param_spec_string (NM_SETTING_BRIDGE_INTERFACE_NAME, + "InterfaceName", + "The name of the virtual in-kernel bridging network interface", + NULL, + G_PARAM_READWRITE | NM_SETTING_PARAM_SERIALIZE)); + + /** + * NMSettingBridge:stp: + * + * Controls whether Spanning Tree Protocol (STP) is enabled for this bridge. + **/ + g_object_class_install_property + (object_class, PROP_STP, + g_param_spec_boolean (NM_SETTING_BRIDGE_STP, + "STP", + "Controls whether Spanning Tree Protocol (STP) " + "is enabled for this bridge.", + TRUE, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | NM_SETTING_PARAM_SERIALIZE)); + + /** + * NMSettingBridge:priority: + * + * Sets the Spanning Tree Protocol (STP) priority for this bridge. Lower + * values are "better"; the lowest priority bridge will be elected the root + * bridge. + **/ + g_object_class_install_property + (object_class, PROP_PRIORITY, + g_param_spec_uint (NM_SETTING_BRIDGE_PRIORITY, + "Priority", + "Sets the Spanning Tree Protocol (STP) priority " + "for this bridge. Lower values are 'better'; the " + "lowest priority bridge will be elected the root " + "bridge.", + 0, G_MAXUINT16, 0x80, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | NM_SETTING_PARAM_SERIALIZE)); + + /** + * NMSettingBridge:forward-delay: + * + * The Spanning Tree Protocol (STP) forwarding delay, in seconds. + **/ + g_object_class_install_property + (object_class, PROP_FORWARD_DELAY, + g_param_spec_uint (NM_SETTING_BRIDGE_FORWARD_DELAY, + "ForwardDelay", + "The Spanning Tree Protocol (STP) forwarding " + "delay, in seconds.", + 0, BR_MAX_FORWARD_DELAY, 15, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | NM_SETTING_PARAM_SERIALIZE)); + + /** + * NMSettingBridge:hello-time: + * + * The Spanning Tree Protocol (STP) hello time, in seconds. + **/ + g_object_class_install_property + (object_class, PROP_HELLO_TIME, + g_param_spec_uint (NM_SETTING_BRIDGE_HELLO_TIME, + "HelloTime", + "The Spanning Tree Protocol (STP) hello time, in " + "seconds.", + 0, BR_MAX_HELLO_TIME, 2, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | NM_SETTING_PARAM_SERIALIZE)); + + /** + * NMSettingBridge:max-age: + * + * The Spanning Tree Protocol (STP) maximum message age, in seconds. + **/ + g_object_class_install_property + (object_class, PROP_MAX_AGE, + g_param_spec_uint (NM_SETTING_BRIDGE_MAX_AGE, + "MaxAge", + "The Spanning Tree Protocol (STP) maximum message " + "age, in seconds.", + 0, BR_MAX_MAX_AGE, 20, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | NM_SETTING_PARAM_SERIALIZE)); + + /** + * NMSettingBridge:ageing-time: + * + * The ethernet MAC address aging time, in seconds. + **/ + g_object_class_install_property + (object_class, PROP_AGEING_TIME, + g_param_spec_uint (NM_SETTING_BRIDGE_AGEING_TIME, + "AgeingTime", + "The ethernet MAC address aging time, in seconds.", + 0, BR_MAX_AGEING_TIME, 300, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | NM_SETTING_PARAM_SERIALIZE)); +} + |