libnm/nm-device-infiniband.c

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
   2 /*
   3  * This library is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU Lesser General Public
   5  * License as published by the Free Software Foundation; either
   6  * version 2 of the License, or (at your option) any later version.
   7  *
   8  * This library is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with this library; if not, write to the
  15  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16  * Boston, MA 02110-1301 USA.
  17  *
  18  * Copyright 2011 - 2012 Red Hat, Inc.
  19  */
  20
  21 #include "nm-default.h"
  22
  23 #include <string.h>
  24
  25 #include "nm-setting-connection.h"
  26 #include "nm-setting-infiniband.h"
  27 #include "nm-utils.h"
  28
  29 #include "nm-device-infiniband.h"
  30 #include "nm-device-private.h"
  31 #include "nm-object-private.h"
  32
  33 G_DEFINE_TYPE (NMDeviceInfiniband, nm_device_infiniband, NM_TYPE_DEVICE)
  34
  35 #define NM_DEVICE_INFINIBAND_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_INFINIBAND, NMDeviceInfinibandPrivate))
  36
  37 typedef struct {
  38         char *hw_address;
  39         gboolean carrier;
  40 } NMDeviceInfinibandPrivate;
  41
  42 enum {
  43         PROP_0,
  44         PROP_HW_ADDRESS,
  45         PROP_CARRIER,
  46
  47         LAST_PROP
  48 };
  49
  50 /**
  51  * nm_device_infiniband_get_hw_address:
  52  * @device: a #NMDeviceInfiniband
  53  *
  54  * Gets the hardware (MAC) address of the #NMDeviceInfiniband
  55  *
  56  * Returns: the hardware address. This is the internal string used by the
  57  * device, and must not be modified.
  58  **/
  59 const char *
  60 nm_device_infiniband_get_hw_address (NMDeviceInfiniband *device)
  61 {
  62         g_return_val_if_fail (NM_IS_DEVICE_INFINIBAND (device), NULL);
  63
  64         return NM_DEVICE_INFINIBAND_GET_PRIVATE (device)->hw_address;
  65 }
  66
  67 /**
  68  * nm_device_infiniband_get_carrier:
  69  * @device: a #NMDeviceInfiniband
  70  *
  71  * Whether the device has carrier.
  72  *
  73  * Returns: %TRUE if the device has carrier
  74  **/
  75 gboolean
  76 nm_device_infiniband_get_carrier (NMDeviceInfiniband *device)
  77 {
  78         g_return_val_if_fail (NM_IS_DEVICE_INFINIBAND (device), FALSE);
  79
  80         return NM_DEVICE_INFINIBAND_GET_PRIVATE (device)->carrier;
  81 }
  82
  83 static gboolean
  84 connection_compatible (NMDevice *device, NMConnection *connection, GError **error)
  85 {
  86         NMSettingInfiniband *s_infiniband;
  87         const char *hwaddr, *setting_hwaddr;
  88
  89         if (!NM_DEVICE_CLASS (nm_device_infiniband_parent_class)->connection_compatible (device, connection, error))
  90                 return FALSE;
  91
  92         if (!nm_connection_is_type (connection, NM_SETTING_INFINIBAND_SETTING_NAME)) {
  93                 g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
  94                                      _("The connection was not an InfiniBand connection."));
  95                 return FALSE;
  96         }
  97
  98         hwaddr = nm_device_infiniband_get_hw_address (NM_DEVICE_INFINIBAND (device));
  99         if (hwaddr) {
 100                 if (!nm_utils_hwaddr_valid (hwaddr, INFINIBAND_ALEN)) {
 101                         g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED,
 102                                              _("Invalid device MAC address."));
 103                         return FALSE;
 104                 }
 105
 106                 s_infiniband = nm_connection_get_setting_infiniband (connection);
 107                 setting_hwaddr = nm_setting_infiniband_get_mac_address (s_infiniband);
 108                 if (setting_hwaddr && !nm_utils_hwaddr_matches (setting_hwaddr, -1, hwaddr, -1)) {
 109                         g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION,
 110                                              _("The MACs of the device and the connection didn't match."));
 111                         return FALSE;
 112                 }
 113         }
 114
 115         return TRUE;
 116 }
 117
 118 static GType
 119 get_setting_type (NMDevice *device)
 120 {
 121         return NM_TYPE_SETTING_INFINIBAND;
 122 }
 123
 124 static const char *
 125 get_hw_address (NMDevice *device)
 126 {
 127         return nm_device_infiniband_get_hw_address (NM_DEVICE_INFINIBAND (device));
 128 }
 129
 130 /***********************************************************/
 131
 132 static void
 133 nm_device_infiniband_init (NMDeviceInfiniband *device)
 134 {
 135         _nm_device_set_device_type (NM_DEVICE (device), NM_DEVICE_TYPE_INFINIBAND);
 136 }
 137
 138 static void
 139 init_dbus (NMObject *object)
 140 {
 141         NMDeviceInfinibandPrivate *priv = NM_DEVICE_INFINIBAND_GET_PRIVATE (object);
 142         const NMPropertiesInfo property_info[] = {
 143                 { NM_DEVICE_INFINIBAND_HW_ADDRESS, &priv->hw_address },
 144                 { NM_DEVICE_INFINIBAND_CARRIER,    &priv->carrier },
 145                 { NULL },
 146         };
 147
 148         NM_OBJECT_CLASS (nm_device_infiniband_parent_class)->init_dbus (object);
 149
 150         _nm_object_register_properties (object,
 151                                         NM_DBUS_INTERFACE_DEVICE_INFINIBAND,
 152                                         property_info);
 153 }
 154
 155 static void
 156 finalize (GObject *object)
 157 {
 158         NMDeviceInfinibandPrivate *priv = NM_DEVICE_INFINIBAND_GET_PRIVATE (object);
 159
 160         g_free (priv->hw_address);
 161
 162         G_OBJECT_CLASS (nm_device_infiniband_parent_class)->finalize (object);
 163 }
 164
 165 static void
 166 get_property (GObject *object,
 167               guint prop_id,
 168               GValue *value,
 169               GParamSpec *pspec)
 170 {
 171         NMDeviceInfiniband *device = NM_DEVICE_INFINIBAND (object);
 172
 173         switch (prop_id) {
 174         case PROP_HW_ADDRESS:
 175                 g_value_set_string (value, nm_device_infiniband_get_hw_address (device));
 176                 break;
 177         case PROP_CARRIER:
 178                 g_value_set_boolean (value, nm_device_infiniband_get_carrier (device));
 179                 break;
 180         default:
 181                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 182                 break;
 183         }
 184 }
 185
 186 static void
 187 nm_device_infiniband_class_init (NMDeviceInfinibandClass *ib_class)
 188 {
 189         GObjectClass *object_class = G_OBJECT_CLASS (ib_class);
 190         NMObjectClass *nm_object_class = NM_OBJECT_CLASS (ib_class);
 191         NMDeviceClass *device_class = NM_DEVICE_CLASS (ib_class);
 192
 193         g_type_class_add_private (ib_class, sizeof (NMDeviceInfinibandPrivate));
 194
 195         _nm_object_class_add_interface (nm_object_class, NM_DBUS_INTERFACE_DEVICE_INFINIBAND);
 196
 197         /* virtual methods */
 198         object_class->finalize = finalize;
 199         object_class->get_property = get_property;
 200
 201         nm_object_class->init_dbus = init_dbus;
 202
 203         device_class->connection_compatible = connection_compatible;
 204         device_class->get_setting_type = get_setting_type;
 205         device_class->get_hw_address = get_hw_address;
 206
 207         /* properties */
 208
 209         /**
 210          * NMDeviceInfiniband:hw-address:
 211          *
 212          * The hardware (MAC) address of the device.
 213          **/
 214         g_object_class_install_property
 215                 (object_class, PROP_HW_ADDRESS,
 216                  g_param_spec_string (NM_DEVICE_INFINIBAND_HW_ADDRESS, "", "",
 217                                       NULL,
 218                                       G_PARAM_READABLE |
 219                                       G_PARAM_STATIC_STRINGS));
 220
 221         /**
 222          * NMDeviceInfiniband:carrier:
 223          *
 224          * Whether the device has carrier.
 225          **/
 226         g_object_class_install_property
 227                 (object_class, PROP_CARRIER,
 228                  g_param_spec_boolean (NM_DEVICE_INFINIBAND_CARRIER, "", "",
 229                                        FALSE,
 230                                        G_PARAM_READABLE |
 231                                        G_PARAM_STATIC_STRINGS));
 232
 233 }