mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager
synced 2024-09-20 00:21:29 +00:00
38e3819b4e
Make setting type registration less icky; instead of having the connection register all the settings, have the settings themselves register that information at library load time. Putting this sort of thing in G_DEFINE_TYPE_WITH_CODE is apparently more standard than the home-rolled stuff we had before. Also document the priority stuff so when adding new settings, people know what priority to use. (cleanups by jklimes)
644 lines
19 KiB
C
644 lines
19 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*
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* Thomas Graf <tgraf@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* (C) Copyright 2011 - 2012 Red Hat, Inc.
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <dbus/dbus-glib.h>
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#include "nm-setting-bond.h"
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#include "nm-param-spec-specialized.h"
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#include "nm-utils.h"
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#include "nm-utils-private.h"
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#include "nm-dbus-glib-types.h"
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#include "nm-setting-private.h"
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/**
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* SECTION:nm-setting-bond
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* @short_description: Describes connection properties for bonds
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* @include: nm-setting-bond.h
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*
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* The #NMSettingBond object is a #NMSetting subclass that describes properties
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* necessary for bond connections.
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**/
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/**
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* nm_setting_bond_error_quark:
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*
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* Registers an error quark for #NMSettingBond if necessary.
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*
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* Returns: the error quark used for #NMSettingBond errors.
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**/
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GQuark
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nm_setting_bond_error_quark (void)
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{
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static GQuark quark;
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if (G_UNLIKELY (!quark))
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quark = g_quark_from_static_string ("nm-setting-bond-error-quark");
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return quark;
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}
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G_DEFINE_TYPE_WITH_CODE (NMSettingBond, nm_setting_bond, NM_TYPE_SETTING,
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_nm_register_setting (NM_SETTING_BOND_SETTING_NAME,
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g_define_type_id,
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1,
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NM_SETTING_BOND_ERROR))
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NM_SETTING_REGISTER_TYPE (NM_TYPE_SETTING_BOND)
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#define NM_SETTING_BOND_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_SETTING_BOND, NMSettingBondPrivate))
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typedef struct {
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char *interface_name;
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GHashTable *options;
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} NMSettingBondPrivate;
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enum {
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PROP_0,
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PROP_INTERFACE_NAME,
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PROP_OPTIONS,
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LAST_PROP
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};
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typedef struct {
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const char *opt;
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const char *val;
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} BondDefault;
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static const BondDefault defaults[] = {
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{ NM_SETTING_BOND_OPTION_MODE, "balance-rr" },
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{ NM_SETTING_BOND_OPTION_MIIMON, "100" },
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{ NM_SETTING_BOND_OPTION_DOWNDELAY, "0" },
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{ NM_SETTING_BOND_OPTION_UPDELAY, "0" },
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{ NM_SETTING_BOND_OPTION_ARP_INTERVAL, "0" },
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{ NM_SETTING_BOND_OPTION_ARP_IP_TARGET, "" },
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};
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/**
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* nm_setting_bond_new:
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*
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* Creates a new #NMSettingBond object with default values.
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*
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* Returns: (transfer full): the new empty #NMSettingBond object
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**/
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NMSetting *
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nm_setting_bond_new (void)
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{
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return (NMSetting *) g_object_new (NM_TYPE_SETTING_BOND, NULL);
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}
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/**
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* nm_setting_bond_get_interface_name:
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* @setting: the #NMSettingBond
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*
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* Returns: the #NMSettingBond:interface-name property of the setting
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**/
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const char *
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nm_setting_bond_get_interface_name (NMSettingBond *setting)
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{
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g_return_val_if_fail (NM_IS_SETTING_BOND (setting), NULL);
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return NM_SETTING_BOND_GET_PRIVATE (setting)->interface_name;
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}
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/**
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* nm_setting_bond_get_num_options:
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* @setting: the #NMSettingBond
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*
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* Returns the number of options that should be set for this bond when it
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* is activated. This can be used to retrieve each option individually
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* using nm_setting_bond_get_option().
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*
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* Returns: the number of bonding options
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**/
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guint32
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nm_setting_bond_get_num_options (NMSettingBond *setting)
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{
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g_return_val_if_fail (NM_IS_SETTING_BOND (setting), 0);
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return g_hash_table_size (NM_SETTING_BOND_GET_PRIVATE (setting)->options);
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}
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/**
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* nm_setting_bond_get_option:
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* @setting: the #NMSettingBond
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* @idx: index of the desired option, from 0 to
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* nm_setting_bond_get_num_options() - 1
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* @out_name: (out): on return, the name of the bonding option; this
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* value is owned by the setting and should not be modified
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* @out_value: (out): on return, the value of the name of the bonding
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* option; this value is owned by the setting and should not be modified
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*
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* Given an index, return the value of the bonding option at that index. Indexes
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* are *not* guaranteed to be static across modifications to options done by
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* nm_setting_bond_add_option() and nm_setting_bond_remove_option(),
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* and should not be used to refer to options except for short periods of time
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* such as during option iteration.
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*
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* Returns: %TRUE on success if the index was valid and an option was found,
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* %FALSE if the index was invalid (ie, greater than the number of options
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* currently held by the setting)
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**/
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gboolean
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nm_setting_bond_get_option (NMSettingBond *setting,
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guint32 idx,
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const char **out_name,
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const char **out_value)
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{
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NMSettingBondPrivate *priv;
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GList *keys;
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const char *_key = NULL, *_value = NULL;
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g_return_val_if_fail (NM_IS_SETTING_BOND (setting), FALSE);
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priv = NM_SETTING_BOND_GET_PRIVATE (setting);
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if (idx >= nm_setting_bond_get_num_options (setting))
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return FALSE;
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keys = g_hash_table_get_keys (priv->options);
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_key = g_list_nth_data (keys, idx);
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_value = g_hash_table_lookup (priv->options, _key);
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if (out_name)
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*out_name = _key;
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if (out_value)
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*out_value = _value;
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g_list_free (keys);
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return TRUE;
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}
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static gboolean
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validate_option (const char *name)
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{
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guint i;
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g_return_val_if_fail (name != NULL, FALSE);
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g_return_val_if_fail (name[0] != '\0', FALSE);
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for (i = 0; i < G_N_ELEMENTS (defaults); i++) {
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if (g_strcmp0 (defaults[i].opt, name) == 0)
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return TRUE;
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}
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return FALSE;
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}
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/**
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* nm_setting_bond_get_option_by_name:
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* @setting: the #NMSettingBond
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* @name: the option name for which to retrieve the value
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*
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* Returns the value associated with the bonding option specified by
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* @name, if it exists.
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*
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* Returns: the value, or %NULL if the key/value pair was never added to the
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* setting; the value is owned by the setting and must not be modified
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**/
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const char *
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nm_setting_bond_get_option_by_name (NMSettingBond *setting,
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const char *name)
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{
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g_return_val_if_fail (NM_IS_SETTING_BOND (setting), NULL);
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g_return_val_if_fail (validate_option (name), NULL);
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return g_hash_table_lookup (NM_SETTING_BOND_GET_PRIVATE (setting)->options, name);
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}
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/**
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* nm_setting_bond_add_option:
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* @setting: the #NMSettingBond
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* @name: name for the option
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* @value: value for the option
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*
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* Add an option to the table. The option is compared to an internal list
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* of allowed options. Option names may contain only alphanumeric characters
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* (ie [a-zA-Z0-9]). Adding a new name replaces any existing name/value pair
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* that may already exist.
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*
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* Returns: %TRUE if the option was valid and was added to the internal option
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* list, %FALSE if it was not.
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**/
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gboolean nm_setting_bond_add_option (NMSettingBond *setting,
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const char *name,
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const char *value)
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{
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NMSettingBondPrivate *priv;
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size_t value_len;
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g_return_val_if_fail (NM_IS_SETTING_BOND (setting), FALSE);
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g_return_val_if_fail (validate_option (name), FALSE);
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g_return_val_if_fail (value != NULL, FALSE);
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priv = NM_SETTING_BOND_GET_PRIVATE (setting);
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value_len = strlen (value);
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g_return_val_if_fail (value_len > 0 && value_len < 200, FALSE);
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g_hash_table_insert (priv->options, g_strdup (name), g_strdup (value));
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if (!strcmp (name, NM_SETTING_BOND_OPTION_MIIMON)) {
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g_hash_table_remove (priv->options, NM_SETTING_BOND_OPTION_ARP_INTERVAL);
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g_hash_table_remove (priv->options, NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
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} else if (!strcmp (name, NM_SETTING_BOND_OPTION_ARP_INTERVAL))
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g_hash_table_remove (priv->options, NM_SETTING_BOND_OPTION_MIIMON);
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return TRUE;
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}
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/**
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* nm_setting_bond_remove_option:
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* @setting: the #NMSettingBond
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* @name: name of the option to remove
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*
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* Remove the bonding option referenced by @name from the internal option
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* list.
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*
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* Returns: %TRUE if the option was found and removed from the internal option
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* list, %FALSE if it was not.
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**/
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gboolean
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nm_setting_bond_remove_option (NMSettingBond *setting,
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const char *name)
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{
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g_return_val_if_fail (NM_IS_SETTING_BOND (setting), FALSE);
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g_return_val_if_fail (validate_option (name), FALSE);
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return g_hash_table_remove (NM_SETTING_BOND_GET_PRIVATE (setting)->options, name);
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}
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/**
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* nm_setting_bond_get_valid_options:
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* @setting: the #NMSettingBond
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*
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* Returns a list of valid bond options.
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*
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* Returns: (transfer none): a NULL-terminated array of strings of valid bond options.
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**/
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const char **
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nm_setting_bond_get_valid_options (NMSettingBond *setting)
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{
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static const char *array[G_N_ELEMENTS (defaults) + 1] = { NULL };
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int i;
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/* initialize the array once */
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if (G_UNLIKELY (array[0] == NULL)) {
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for (i = 0; i < G_N_ELEMENTS (defaults); i++)
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array[i] = defaults[i].opt;
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array[i] = NULL;
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}
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return array;
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}
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/**
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* nm_setting_bond_get_option_default:
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* @setting: the #NMSettingBond
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* @name: the name of the option
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*
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* Returns: the value of the bond option if not overridden by an entry in
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* the #NMSettingBond:options property.
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**/
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const char *
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nm_setting_bond_get_option_default (NMSettingBond *setting, const char *name)
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{
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guint i;
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g_return_val_if_fail (NM_IS_SETTING_BOND (setting), NULL);
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g_return_val_if_fail (validate_option (name), NULL);
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for (i = 0; i < G_N_ELEMENTS (defaults); i++) {
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if (g_strcmp0 (defaults[i].opt, name) == 0)
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return defaults[i].val;
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}
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/* Any option that passes validate_option() should also be found in defaults */
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g_assert_not_reached ();
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}
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static gint
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find_setting_by_name (gconstpointer a, gconstpointer b)
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{
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NMSetting *setting = NM_SETTING (a);
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const char *str = (const char *) b;
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return strcmp (nm_setting_get_name (setting), str);
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}
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static gboolean
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verify (NMSetting *setting, GSList *all_settings, GError **error)
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{
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NMSettingBondPrivate *priv = NM_SETTING_BOND_GET_PRIVATE (setting);
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GHashTableIter iter;
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const char *key, *value;
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const char *valid_modes[] = { "balance-rr",
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"active-backup",
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"balance-xor",
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"broadcast",
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"802.3ad",
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"balance-tlb",
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"balance-alb",
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NULL };
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int miimon = 0, arp_interval = 0;
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const char *arp_ip_target = NULL;
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if (!priv->interface_name || !strlen(priv->interface_name)) {
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g_set_error (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_MISSING_PROPERTY,
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NM_SETTING_BOND_INTERFACE_NAME);
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return FALSE;
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}
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if (!nm_utils_iface_valid_name (priv->interface_name)) {
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g_set_error (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_INVALID_PROPERTY,
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NM_SETTING_BOND_INTERFACE_NAME);
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return FALSE;
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}
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g_hash_table_iter_init (&iter, priv->options);
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while (g_hash_table_iter_next (&iter, (gpointer) &key, (gpointer) &value)) {
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if ( !validate_option (key)
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|| !value[0]
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|| (strlen (value) > 200)
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|| strchr (value, ' ')) {
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g_set_error_literal (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_INVALID_OPTION,
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key);
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return FALSE;
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}
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}
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value = g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_MIIMON);
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if (value)
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miimon = atoi (value);
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value = g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_ARP_INTERVAL);
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if (value)
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arp_interval = atoi (value);
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/* Can only set one of miimon and arp_interval */
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if (miimon > 0 && arp_interval > 0) {
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g_set_error (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_INVALID_OPTION,
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NM_SETTING_BOND_OPTION_ARP_INTERVAL);
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}
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value = g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_MODE);
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if (!value) {
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g_set_error (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_MISSING_OPTION,
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NM_SETTING_BOND_OPTION_MODE);
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return FALSE;
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}
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if (!_nm_utils_string_in_list (value, valid_modes)) {
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g_set_error (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_INVALID_OPTION,
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NM_SETTING_BOND_OPTION_MODE);
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return FALSE;
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}
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/* Make sure mode is compatible with other settings */
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if ( strcmp (value, "balance-alb") == 0
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|| strcmp (value, "balance-tlb") == 0) {
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if (arp_interval > 0) {
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g_set_error (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_INVALID_OPTION,
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NM_SETTING_BOND_OPTION_ARP_INTERVAL);
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}
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}
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if (g_slist_find_custom (all_settings, NM_SETTING_INFINIBAND_SETTING_NAME, find_setting_by_name)) {
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if (strcmp (value, "active-backup") != 0) {
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g_set_error (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_INVALID_OPTION,
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NM_SETTING_BOND_OPTION_MODE);
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return FALSE;
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}
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}
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if (miimon == 0) {
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/* updelay and downdelay can only be used with miimon */
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if (g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_UPDELAY)) {
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g_set_error (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_INVALID_OPTION,
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NM_SETTING_BOND_OPTION_UPDELAY);
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return FALSE;
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}
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if (g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_DOWNDELAY)) {
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g_set_error (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_INVALID_OPTION,
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NM_SETTING_BOND_OPTION_DOWNDELAY);
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return FALSE;
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}
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}
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/* arp_ip_target can only be used with arp_interval, and must
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* contain a comma-separated list of IPv4 addresses.
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*/
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arp_ip_target = g_hash_table_lookup (priv->options, NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
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if (arp_interval > 0) {
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char **addrs;
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guint32 addr;
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int i;
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if (!arp_ip_target) {
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g_set_error (error,
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NM_SETTING_BOND_ERROR,
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NM_SETTING_BOND_ERROR_MISSING_OPTION,
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NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
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return FALSE;
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}
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addrs = g_strsplit (arp_ip_target, ",", -1);
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if (!addrs[0]) {
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g_strfreev (addrs);
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g_set_error (error,
|
|
NM_SETTING_BOND_ERROR,
|
|
NM_SETTING_BOND_ERROR_INVALID_OPTION,
|
|
NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
|
|
return FALSE;
|
|
}
|
|
|
|
for (i = 0; addrs[i]; i++) {
|
|
if (!inet_pton (AF_INET, addrs[i], &addr)) {
|
|
g_strfreev (addrs);
|
|
g_set_error (error,
|
|
NM_SETTING_BOND_ERROR,
|
|
NM_SETTING_BOND_ERROR_INVALID_OPTION,
|
|
NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
|
|
return FALSE;
|
|
}
|
|
}
|
|
g_strfreev (addrs);
|
|
} else {
|
|
if (arp_ip_target) {
|
|
g_set_error (error,
|
|
NM_SETTING_BOND_ERROR,
|
|
NM_SETTING_BOND_ERROR_INVALID_OPTION,
|
|
NM_SETTING_BOND_OPTION_ARP_IP_TARGET);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static const char *
|
|
get_virtual_iface_name (NMSetting *setting)
|
|
{
|
|
NMSettingBond *self = NM_SETTING_BOND (setting);
|
|
|
|
return nm_setting_bond_get_interface_name (self);
|
|
}
|
|
|
|
static void
|
|
nm_setting_bond_init (NMSettingBond *setting)
|
|
{
|
|
NMSettingBondPrivate *priv = NM_SETTING_BOND_GET_PRIVATE (setting);
|
|
|
|
g_object_set (setting, NM_SETTING_NAME, NM_SETTING_BOND_SETTING_NAME,
|
|
NULL);
|
|
|
|
priv->options = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
|
|
|
|
/* Default values: */
|
|
nm_setting_bond_add_option (setting, NM_SETTING_BOND_OPTION_MODE, "balance-rr");
|
|
nm_setting_bond_add_option (setting, NM_SETTING_BOND_OPTION_MIIMON, "100");
|
|
}
|
|
|
|
static void
|
|
finalize (GObject *object)
|
|
{
|
|
NMSettingBondPrivate *priv = NM_SETTING_BOND_GET_PRIVATE (object);
|
|
|
|
g_free (priv->interface_name);
|
|
g_hash_table_destroy (priv->options);
|
|
|
|
G_OBJECT_CLASS (nm_setting_bond_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
copy_hash (gpointer key, gpointer value, gpointer user_data)
|
|
{
|
|
g_hash_table_insert ((GHashTable *) user_data, g_strdup (key), g_strdup (value));
|
|
}
|
|
|
|
static void
|
|
set_property (GObject *object, guint prop_id,
|
|
const GValue *value, GParamSpec *pspec)
|
|
{
|
|
NMSettingBondPrivate *priv = NM_SETTING_BOND_GET_PRIVATE (object);
|
|
GHashTable *new_hash;
|
|
|
|
switch (prop_id) {
|
|
case PROP_INTERFACE_NAME:
|
|
priv->interface_name = g_value_dup_string (value);
|
|
break;
|
|
case PROP_OPTIONS:
|
|
/* Must make a deep copy of the hash table here... */
|
|
g_hash_table_remove_all (priv->options);
|
|
new_hash = g_value_get_boxed (value);
|
|
if (new_hash)
|
|
g_hash_table_foreach (new_hash, copy_hash, priv->options);
|
|
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)
|
|
{
|
|
NMSettingBondPrivate *priv = NM_SETTING_BOND_GET_PRIVATE (object);
|
|
NMSettingBond *setting = NM_SETTING_BOND (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_INTERFACE_NAME:
|
|
g_value_set_string (value, nm_setting_bond_get_interface_name (setting));
|
|
break;
|
|
case PROP_OPTIONS:
|
|
g_value_set_boxed (value, priv->options);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
nm_setting_bond_class_init (NMSettingBondClass *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 (NMSettingBondPrivate));
|
|
|
|
/* 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 */
|
|
/**
|
|
* NMSettingBond:interface-name:
|
|
*
|
|
* The name of the virtual in-kernel bonding network interface
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_INTERFACE_NAME,
|
|
g_param_spec_string (NM_SETTING_BOND_INTERFACE_NAME,
|
|
"InterfaceName",
|
|
"The name of the virtual in-kernel bonding network interface",
|
|
NULL,
|
|
G_PARAM_READWRITE | NM_SETTING_PARAM_SERIALIZE));
|
|
|
|
/**
|
|
* NMSettingBond:options:
|
|
*
|
|
* Dictionary of key/value pairs of bonding options. Both keys
|
|
* and values must be strings. Option names must contain only
|
|
* alphanumeric characters (ie, [a-zA-Z0-9]).
|
|
**/
|
|
g_object_class_install_property
|
|
(object_class, PROP_OPTIONS,
|
|
_nm_param_spec_specialized (NM_SETTING_BOND_OPTIONS,
|
|
"Options",
|
|
"Dictionary of key/value pairs of bonding "
|
|
"options. Both keys and values must be "
|
|
"strings. Option names must contain only "
|
|
"alphanumeric characters (ie, [a-zA-Z0-9]).",
|
|
DBUS_TYPE_G_MAP_OF_STRING,
|
|
G_PARAM_READWRITE | NM_SETTING_PARAM_SERIALIZE));
|
|
}
|