NetworkManager/src/devices/nm-device-infiniband.c
Dan Williams 8fa0f4690f core: let plugins indicate links which should be ignored
Instead of hacky stuff in the Manager, let plugins themselves indicate
which links should be ignored (because they are really child links that
are controlled by a different device that the plugin handles).
2015-05-06 16:14:25 -05:00

386 lines
12 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; 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 "config.h"
#include <glib.h>
#include <glib/gi18n.h>
#include <linux/if_infiniband.h>
#include "nm-device-infiniband.h"
#include "nm-logging.h"
#include "NetworkManagerUtils.h"
#include "nm-device-private.h"
#include "nm-enum-types.h"
#include "nm-dbus-manager.h"
#include "nm-activation-request.h"
#include "nm-ip4-config.h"
#include "nm-platform.h"
#include "nm-device-factory.h"
#include "nm-core-internal.h"
#include "nm-device-infiniband-glue.h"
G_DEFINE_TYPE (NMDeviceInfiniband, nm_device_infiniband, NM_TYPE_DEVICE)
#define NM_DEVICE_INFINIBAND_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_INFINIBAND, NMDeviceInfinibandPrivate))
typedef struct {
int dummy;
} NMDeviceInfinibandPrivate;
enum {
PROP_0,
LAST_PROP
};
static void
nm_device_infiniband_init (NMDeviceInfiniband * self)
{
}
static NMDeviceCapabilities
get_generic_capabilities (NMDevice *dev)
{
return NM_DEVICE_CAP_CARRIER_DETECT;
}
static NMActStageReturn
act_stage1_prepare (NMDevice *dev, NMDeviceStateReason *reason)
{
NMActStageReturn ret;
NMActRequest *req;
NMConnection *connection;
NMSettingInfiniband *s_infiniband;
const char *transport_mode;
char *mode_path;
gboolean ok;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
ret = NM_DEVICE_CLASS (nm_device_infiniband_parent_class)->act_stage1_prepare (dev, reason);
if (ret != NM_ACT_STAGE_RETURN_SUCCESS)
return ret;
req = nm_device_get_act_request (dev);
g_return_val_if_fail (req != NULL, NM_ACT_STAGE_RETURN_FAILURE);
connection = nm_act_request_get_connection (req);
g_assert (connection);
s_infiniband = nm_connection_get_setting_infiniband (connection);
g_assert (s_infiniband);
transport_mode = nm_setting_infiniband_get_transport_mode (s_infiniband);
mode_path = g_strdup_printf ("/sys/class/net/%s/mode",
ASSERT_VALID_PATH_COMPONENT (nm_device_get_iface (dev)));
if (!g_file_test (mode_path, G_FILE_TEST_EXISTS)) {
g_free (mode_path);
if (!strcmp (transport_mode, "datagram"))
return NM_ACT_STAGE_RETURN_SUCCESS;
else {
*reason = NM_DEVICE_STATE_REASON_INFINIBAND_MODE;
return NM_ACT_STAGE_RETURN_FAILURE;
}
}
ok = nm_platform_sysctl_set (NM_PLATFORM_GET, mode_path, transport_mode);
g_free (mode_path);
if (!ok) {
*reason = NM_DEVICE_STATE_REASON_CONFIG_FAILED;
return NM_ACT_STAGE_RETURN_FAILURE;
}
return NM_ACT_STAGE_RETURN_SUCCESS;
}
static void
ip4_config_pre_commit (NMDevice *self, NMIP4Config *config)
{
NMConnection *connection;
NMSettingInfiniband *s_infiniband;
guint32 mtu;
connection = nm_device_get_connection (self);
g_assert (connection);
s_infiniband = nm_connection_get_setting_infiniband (connection);
g_assert (s_infiniband);
/* MTU override */
mtu = nm_setting_infiniband_get_mtu (s_infiniband);
if (mtu)
nm_ip4_config_set_mtu (config, mtu, NM_IP_CONFIG_SOURCE_USER);
}
static gboolean
check_connection_compatible (NMDevice *device, NMConnection *connection)
{
NMSettingInfiniband *s_infiniband;
if (!NM_DEVICE_CLASS (nm_device_infiniband_parent_class)->check_connection_compatible (device, connection))
return FALSE;
if (!nm_connection_is_type (connection, NM_SETTING_INFINIBAND_SETTING_NAME))
return FALSE;
s_infiniband = nm_connection_get_setting_infiniband (connection);
if (!s_infiniband)
return FALSE;
if (s_infiniband) {
const char *mac;
mac = nm_setting_infiniband_get_mac_address (s_infiniband);
if (mac && !nm_utils_hwaddr_matches (mac, -1, nm_device_get_hw_address (device), -1))
return FALSE;
}
return TRUE;
}
static gboolean
complete_connection (NMDevice *device,
NMConnection *connection,
const char *specific_object,
const GSList *existing_connections,
GError **error)
{
NMSettingInfiniband *s_infiniband;
const char *setting_mac;
const char *hw_address;
nm_utils_complete_generic (connection,
NM_SETTING_INFINIBAND_SETTING_NAME,
existing_connections,
NULL,
_("InfiniBand connection"),
NULL,
TRUE);
s_infiniband = nm_connection_get_setting_infiniband (connection);
if (!s_infiniband) {
s_infiniband = (NMSettingInfiniband *) nm_setting_infiniband_new ();
nm_connection_add_setting (connection, NM_SETTING (s_infiniband));
}
setting_mac = nm_setting_infiniband_get_mac_address (s_infiniband);
hw_address = nm_device_get_hw_address (device);
if (setting_mac) {
/* Make sure the setting MAC (if any) matches the device's MAC */
if (!nm_utils_hwaddr_matches (setting_mac, -1, hw_address, -1)) {
g_set_error_literal (error,
NM_CONNECTION_ERROR,
NM_CONNECTION_ERROR_INVALID_PROPERTY,
_("connection does not match device"));
g_prefix_error (error, "%s.%s: ", NM_SETTING_INFINIBAND_SETTING_NAME, NM_SETTING_INFINIBAND_MAC_ADDRESS);
return FALSE;
}
} else {
/* Lock the connection to this device by default */
g_object_set (G_OBJECT (s_infiniband), NM_SETTING_INFINIBAND_MAC_ADDRESS, hw_address, NULL);
}
if (!nm_setting_infiniband_get_transport_mode (s_infiniband))
g_object_set (G_OBJECT (s_infiniband), NM_SETTING_INFINIBAND_TRANSPORT_MODE, "datagram", NULL);
return TRUE;
}
static void
update_connection (NMDevice *device, NMConnection *connection)
{
NMSettingInfiniband *s_infiniband = nm_connection_get_setting_infiniband (connection);
const char *mac = nm_device_get_hw_address (device);
char *mode_path, *contents = NULL;
const char *transport_mode = "datagram";
if (!s_infiniband) {
s_infiniband = (NMSettingInfiniband *) nm_setting_infiniband_new ();
nm_connection_add_setting (connection, (NMSetting *) s_infiniband);
}
if (mac && !nm_utils_hwaddr_matches (mac, -1, NULL, INFINIBAND_ALEN))
g_object_set (s_infiniband, NM_SETTING_INFINIBAND_MAC_ADDRESS, mac, NULL);
mode_path = g_strdup_printf ("/sys/class/net/%s/mode",
ASSERT_VALID_PATH_COMPONENT (nm_device_get_iface (device)));
contents = nm_platform_sysctl_get (NM_PLATFORM_GET, mode_path);
g_free (mode_path);
if (contents) {
if (strstr (contents, "datagram"))
transport_mode = "datagram";
else if (strstr (contents, "connected"))
transport_mode = "connected";
g_free (contents);
}
g_object_set (G_OBJECT (s_infiniband), NM_SETTING_INFINIBAND_TRANSPORT_MODE, transport_mode, NULL);
}
static void
get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
nm_device_infiniband_class_init (NMDeviceInfinibandClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
NMDeviceClass *parent_class = NM_DEVICE_CLASS (klass);
g_type_class_add_private (object_class, sizeof (NMDeviceInfinibandPrivate));
/* virtual methods */
object_class->get_property = get_property;
object_class->set_property = set_property;
parent_class->get_generic_capabilities = get_generic_capabilities;
parent_class->check_connection_compatible = check_connection_compatible;
parent_class->complete_connection = complete_connection;
parent_class->update_connection = update_connection;
parent_class->act_stage1_prepare = act_stage1_prepare;
parent_class->ip4_config_pre_commit = ip4_config_pre_commit;
/* properties */
nm_dbus_manager_register_exported_type (nm_dbus_manager_get (),
G_TYPE_FROM_CLASS (klass),
&dbus_glib_nm_device_infiniband_object_info);
}
/*************************************************************/
#define NM_TYPE_INFINIBAND_FACTORY (nm_infiniband_factory_get_type ())
#define NM_INFINIBAND_FACTORY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_INFINIBAND_FACTORY, NMInfinibandFactory))
static NMDevice *
new_link (NMDeviceFactory *factory, NMPlatformLink *plink, gboolean *out_ignore, GError **error)
{
return (NMDevice *) g_object_new (NM_TYPE_DEVICE_INFINIBAND,
NM_DEVICE_PLATFORM_DEVICE, plink,
NM_DEVICE_TYPE_DESC, "InfiniBand",
NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_INFINIBAND,
NULL);
}
static NMDevice *
create_virtual_device_for_connection (NMDeviceFactory *factory,
NMConnection *connection,
NMDevice *parent,
GError **error)
{
NMSettingInfiniband *s_infiniband;
int p_key, parent_ifindex;
const char *iface;
if (!NM_IS_DEVICE_INFINIBAND (parent)) {
g_set_error (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_CREATION_FAILED,
"Parent interface %s must be an InfiniBand interface",
nm_device_get_iface (parent));
return NULL;
}
s_infiniband = nm_connection_get_setting_infiniband (connection);
iface = nm_setting_infiniband_get_virtual_interface_name (s_infiniband);
g_assert (iface);
parent_ifindex = nm_device_get_ifindex (parent);
p_key = nm_setting_infiniband_get_p_key (s_infiniband);
if ( !nm_platform_infiniband_partition_add (NM_PLATFORM_GET, parent_ifindex, p_key, NULL)
&& nm_platform_get_error (NM_PLATFORM_GET) != NM_PLATFORM_ERROR_EXISTS) {
g_set_error (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_CREATION_FAILED,
"Failed to create InfiniBand P_Key interface '%s' for '%s': %s",
iface,
nm_connection_get_id (connection),
nm_platform_get_error_msg (NM_PLATFORM_GET));
return NULL;
}
return (NMDevice *) g_object_new (NM_TYPE_DEVICE_INFINIBAND,
NM_DEVICE_IFACE, iface,
NM_DEVICE_DRIVER, nm_device_get_driver (parent),
NM_DEVICE_TYPE_DESC, "InfiniBand",
NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_INFINIBAND,
NULL);
}
static const char *
get_connection_parent (NMDeviceFactory *factory, NMConnection *connection)
{
NMSettingInfiniband *s_infiniband;
g_return_val_if_fail (nm_connection_is_type (connection, NM_SETTING_INFINIBAND_SETTING_NAME), NULL);
s_infiniband = nm_connection_get_setting_infiniband (connection);
g_assert (s_infiniband);
return nm_setting_infiniband_get_parent (s_infiniband);
}
static char *
get_virtual_iface_name (NMDeviceFactory *factory,
NMConnection *connection,
const char *parent_iface)
{
NMSettingInfiniband *s_infiniband;
g_return_val_if_fail (nm_connection_is_type (connection, NM_SETTING_INFINIBAND_SETTING_NAME), NULL);
s_infiniband = nm_connection_get_setting_infiniband (connection);
g_assert (s_infiniband);
g_return_val_if_fail (g_strcmp0 (parent_iface, nm_setting_infiniband_get_parent (s_infiniband)) == 0, NULL);
return g_strdup (nm_setting_infiniband_get_virtual_interface_name (s_infiniband));
}
NM_DEVICE_FACTORY_DEFINE_INTERNAL (INFINIBAND, Infiniband, infiniband,
NM_DEVICE_FACTORY_DECLARE_LINK_TYPES (NM_LINK_TYPE_INFINIBAND)
NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES (NM_SETTING_INFINIBAND_SETTING_NAME),
factory_iface->new_link = new_link;
factory_iface->create_virtual_device_for_connection = create_virtual_device_for_connection;
factory_iface->get_connection_parent = get_connection_parent;
factory_iface->get_virtual_iface_name = get_virtual_iface_name;
)