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Diffstat (limited to 'libnm-util/nm-setting-infiniband.c')
| -rw-r--r-- | libnm-util/nm-setting-infiniband.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/libnm-util/nm-setting-infiniband.c b/libnm-util/nm-setting-infiniband.c new file mode 100644 index 00000000..dbef5b8a --- /dev/null +++ b/libnm-util/nm-setting-infiniband.c @@ -0,0 +1,291 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ + +/* + * 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. + * + * Copyright 2011 Red Hat, Inc. + */ + +#include <dbus/dbus-glib.h> +#include <linux/if_infiniband.h> + +#include "nm-setting-infiniband.h" +#include "nm-param-spec-specialized.h" +#include "nm-utils-private.h" + +/** + * SECTION:nm-setting-infiniband + * @short_description: Describes connection properties for IP-over-InfiniBand networks + * @include: nm-setting-infiniband.h + * + * The #NMSettingInfiniband object is a #NMSetting subclass that describes properties + * necessary for connection to IP-over-InfiniBand networks. + **/ + +/** + * nm_setting_infiniband_error_quark: + * + * Registers an error quark for #NMSettingInfiniband if necessary. + * + * Returns: the error quark used for #NMSettingInfiniband errors. + **/ +GQuark +nm_setting_infiniband_error_quark (void) +{ + static GQuark quark; + + if (G_UNLIKELY (!quark)) + quark = g_quark_from_static_string ("nm-setting-infiniband-error-quark"); + return quark; +} + +G_DEFINE_TYPE (NMSettingInfiniband, nm_setting_infiniband, NM_TYPE_SETTING) + +#define NM_SETTING_INFINIBAND_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_SETTING_INFINIBAND, NMSettingInfinibandPrivate)) + +typedef struct { + GByteArray *mac_address; + char *transport_mode; + guint32 mtu; +} NMSettingInfinibandPrivate; + +enum { + PROP_0, + PROP_MAC_ADDRESS, + PROP_MTU, + PROP_TRANSPORT_MODE, + + LAST_PROP +}; + +/** + * nm_setting_infiniband_new: + * + * Creates a new #NMSettingInfiniband object with default values. + * + * Returns: (transfer full): the new empty #NMSettingInfiniband object + **/ +NMSetting * +nm_setting_infiniband_new (void) +{ + return (NMSetting *) g_object_new (NM_TYPE_SETTING_INFINIBAND, NULL); +} + +/** + * nm_setting_infiniband_get_mac_address: + * @setting: the #NMSettingInfiniband + * + * Returns: the #NMSettingInfiniband:mac-address property of the setting + **/ +const GByteArray * +nm_setting_infiniband_get_mac_address (NMSettingInfiniband *setting) +{ + g_return_val_if_fail (NM_IS_SETTING_INFINIBAND (setting), NULL); + + return NM_SETTING_INFINIBAND_GET_PRIVATE (setting)->mac_address; +} + +/** + * nm_setting_infiniband_get_mtu: + * @setting: the #NMSettingInfiniband + * + * Returns: the #NMSettingInfiniband:mtu property of the setting + **/ +guint32 +nm_setting_infiniband_get_mtu (NMSettingInfiniband *setting) +{ + g_return_val_if_fail (NM_IS_SETTING_INFINIBAND (setting), 0); + + return NM_SETTING_INFINIBAND_GET_PRIVATE (setting)->mtu; +} + +/** + * nm_setting_infiniband_get_transport_mode: + * @setting: the #NMSettingInfiniband + * + * Returns the transport mode for this device. Either 'datagram' or + * 'connected'. + * + * Returns: the IPoIB transport mode + **/ +const char * +nm_setting_infiniband_get_transport_mode (NMSettingInfiniband *setting) +{ + g_return_val_if_fail (NM_IS_SETTING_INFINIBAND (setting), NULL); + + return NM_SETTING_INFINIBAND_GET_PRIVATE (setting)->transport_mode; +} + + +static gboolean +verify (NMSetting *setting, GSList *all_settings, GError **error) +{ + NMSettingInfinibandPrivate *priv = NM_SETTING_INFINIBAND_GET_PRIVATE (setting); + + if (priv->mac_address && priv->mac_address->len != INFINIBAND_ALEN) { + g_set_error (error, + NM_SETTING_INFINIBAND_ERROR, + NM_SETTING_INFINIBAND_ERROR_INVALID_PROPERTY, + NM_SETTING_INFINIBAND_MAC_ADDRESS); + return FALSE; + } + + if (!g_strcmp0 (priv->transport_mode, "datagram")) { + if (priv->mtu > 2044) + priv->mtu = 2044; + } else if (!g_strcmp0 (priv->transport_mode, "connected")) { + if (priv->mtu > 65520) + priv->mtu = 65520; + } else { + g_set_error (error, + NM_SETTING_INFINIBAND_ERROR, + NM_SETTING_INFINIBAND_ERROR_INVALID_PROPERTY, + NM_SETTING_INFINIBAND_TRANSPORT_MODE); + return FALSE; + } + + return TRUE; +} + +static void +nm_setting_infiniband_init (NMSettingInfiniband *setting) +{ + g_object_set (setting, NM_SETTING_NAME, NM_SETTING_INFINIBAND_SETTING_NAME, NULL); +} + +static void +finalize (GObject *object) +{ + NMSettingInfinibandPrivate *priv = NM_SETTING_INFINIBAND_GET_PRIVATE (object); + + g_free (priv->transport_mode); + if (priv->mac_address) + g_byte_array_free (priv->mac_address, TRUE); + + G_OBJECT_CLASS (nm_setting_infiniband_parent_class)->finalize (object); +} + +static void +set_property (GObject *object, guint prop_id, + const GValue *value, GParamSpec *pspec) +{ + NMSettingInfinibandPrivate *priv = NM_SETTING_INFINIBAND_GET_PRIVATE (object); + + switch (prop_id) { + case PROP_MAC_ADDRESS: + if (priv->mac_address) + g_byte_array_free (priv->mac_address, TRUE); + priv->mac_address = g_value_dup_boxed (value); + break; + case PROP_MTU: + priv->mtu = g_value_get_uint (value); + break; + case PROP_TRANSPORT_MODE: + g_free (priv->transport_mode); + priv->transport_mode = g_value_dup_string (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) +{ + NMSettingInfiniband *setting = NM_SETTING_INFINIBAND (object); + + switch (prop_id) { + case PROP_MAC_ADDRESS: + g_value_set_boxed (value, nm_setting_infiniband_get_mac_address (setting)); + break; + case PROP_MTU: + g_value_set_uint (value, nm_setting_infiniband_get_mtu (setting)); + break; + case PROP_TRANSPORT_MODE: + g_value_set_string (value, nm_setting_infiniband_get_transport_mode (setting)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nm_setting_infiniband_class_init (NMSettingInfinibandClass *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 (NMSettingInfinibandPrivate)); + + /* virtual methods */ + object_class->set_property = set_property; + object_class->get_property = get_property; + object_class->finalize = finalize; + parent_class->verify = verify; + + /* Properties */ + /** + * NMSettingInfiniband:mac-address: + * + * If specified, this connection will only apply to the IPoIB + * device whose permanent MAC address matches. This property does + * not change the MAC address of the device (i.e. MAC spoofing). + **/ + g_object_class_install_property + (object_class, PROP_MAC_ADDRESS, + _nm_param_spec_specialized (NM_SETTING_INFINIBAND_MAC_ADDRESS, + "Device MAC Address", + "If specified, this connection will only apply to " + "the IPoIB device whose permanent MAC address matches. " + "This property does not change the MAC address " + "of the device (i.e. MAC spoofing).", + DBUS_TYPE_G_UCHAR_ARRAY, + G_PARAM_READWRITE | NM_SETTING_PARAM_SERIALIZE)); + + /** + * NMSettingInfiniband:mtu: + * + * If non-zero, only transmit packets of the specified size or smaller, + * breaking larger packets up into multiple frames. + **/ + g_object_class_install_property + (object_class, PROP_MTU, + g_param_spec_uint (NM_SETTING_INFINIBAND_MTU, + "MTU", + "If non-zero, only transmit packets of the specified " + "size or smaller, breaking larger packets up into " + "multiple frames.", + 0, G_MAXUINT32, 0, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | NM_SETTING_PARAM_SERIALIZE | NM_SETTING_PARAM_FUZZY_IGNORE)); + + /** + * NMSettingInfiniband:transport-mode: + * + * The IP-over-InfiniBand transport mode. Either 'datagram' or + * 'connected'. + **/ + g_object_class_install_property + (object_class, PROP_TRANSPORT_MODE, + g_param_spec_string (NM_SETTING_INFINIBAND_TRANSPORT_MODE, + "Transport Mode", + "The IPoIB transport mode. Either 'datagram' or 'connected'.", + NULL, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT | NM_SETTING_PARAM_SERIALIZE)); +} + |