/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2011 - 2018 Red Hat, Inc.
*/
#include "nm-default.h"
#include "nm-device-infiniband.h"
#include <linux/if.h>
#include <linux/if_infiniband.h>
#include "NetworkManagerUtils.h"
#include "nm-device-private.h"
#include "nm-act-request.h"
#include "nm-ip4-config.h"
#include "platform/nm-platform.h"
#include "nm-device-factory.h"
#include "nm-core-internal.h"
#define NM_DEVICE_INFINIBAND_IS_PARTITION "is-partition"
/*****************************************************************************/
NM_GOBJECT_PROPERTIES_DEFINE_BASE(PROP_IS_PARTITION, );
typedef struct {
gboolean is_partition;
int parent_ifindex;
int p_key;
} NMDeviceInfinibandPrivate;
struct _NMDeviceInfiniband {
NMDevice parent;
NMDeviceInfinibandPrivate _priv;
};
struct _NMDeviceInfinibandClass {
NMDeviceClass parent;
};
G_DEFINE_TYPE(NMDeviceInfiniband, nm_device_infiniband, NM_TYPE_DEVICE)
#define NM_DEVICE_INFINIBAND_GET_PRIVATE(self) \
_NM_GET_PRIVATE(self, NMDeviceInfiniband, NM_IS_DEVICE_INFINIBAND, NMDevice)
/*****************************************************************************/
static NMDeviceCapabilities
get_generic_capabilities(NMDevice *device)
{
guint32 caps = NM_DEVICE_CAP_CARRIER_DETECT;
if (NM_DEVICE_INFINIBAND_GET_PRIVATE(device)->is_partition)
caps |= NM_DEVICE_CAP_IS_SOFTWARE;
return caps;
}
static NMActStageReturn
act_stage1_prepare(NMDevice *device, NMDeviceStateReason *out_failure_reason)
{
nm_auto_close int dirfd = -1;
NMSettingInfiniband *s_infiniband;
char ifname_verified[IFNAMSIZ];
const char * transport_mode;
gboolean ok;
s_infiniband = nm_device_get_applied_setting(device, NM_TYPE_SETTING_INFINIBAND);
g_return_val_if_fail(s_infiniband, NM_ACT_STAGE_RETURN_FAILURE);
transport_mode = nm_setting_infiniband_get_transport_mode(s_infiniband);
dirfd = nm_platform_sysctl_open_netdir(nm_device_get_platform(device),
nm_device_get_ifindex(device),
ifname_verified);
if (dirfd < 0) {
if (nm_streq(transport_mode, "datagram"))
return NM_ACT_STAGE_RETURN_SUCCESS;
else {
NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_INFINIBAND_MODE);
return NM_ACT_STAGE_RETURN_FAILURE;
}
}
/* With some drivers the interface must be down to set transport mode */
nm_device_take_down(device, TRUE);
ok = nm_platform_sysctl_set(nm_device_get_platform(device),
NMP_SYSCTL_PATHID_NETDIR(dirfd, ifname_verified, "mode"),
transport_mode);
nm_device_bring_up(device, TRUE, NULL);
if (!ok) {
NM_SET_OUT(out_failure_reason, NM_DEVICE_STATE_REASON_CONFIG_FAILED);
return NM_ACT_STAGE_RETURN_FAILURE;
}
return NM_ACT_STAGE_RETURN_SUCCESS;
}
static guint32
get_configured_mtu(NMDevice *device, NMDeviceMtuSource *out_source, gboolean *out_force)
{
return nm_device_get_configured_mtu_from_connection(device,
NM_TYPE_SETTING_INFINIBAND,
out_source);
}
static gboolean
check_connection_compatible(NMDevice *device, NMConnection *connection, GError **error)
{
NMSettingInfiniband *s_infiniband;
if (!NM_DEVICE_CLASS(nm_device_infiniband_parent_class)
->check_connection_compatible(device, connection, error))
return FALSE;
if (nm_device_is_real(device)) {
const char *mac;
const char *hw_addr;
s_infiniband = nm_connection_get_setting_infiniband(connection);
mac = nm_setting_infiniband_get_mac_address(s_infiniband);
if (mac) {
hw_addr = nm_device_get_permanent_hw_address(device);
if (!hw_addr || !nm_utils_hwaddr_matches(mac, -1, hw_addr, -1)) {
nm_utils_error_set_literal(error,
NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY,
"MAC address mismatches");
return FALSE;
}
}
}
return TRUE;
}
static gboolean
complete_connection(NMDevice * device,
NMConnection * connection,
const char * specific_object,
NMConnection *const *existing_connections,
GError ** error)
{
NMSettingInfiniband *s_infiniband;
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));
}
nm_utils_complete_generic(
nm_device_get_platform(device),
connection,
NM_SETTING_INFINIBAND_SETTING_NAME,
existing_connections,
NULL,
_("InfiniBand connection"),
NULL,
nm_setting_infiniband_get_mac_address(s_infiniband) ? NULL : nm_device_get_iface(device),
TRUE);
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_permanent_hw_address(device);
const char * transport_mode = "datagram";
int ifindex;
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);
ifindex = nm_device_get_ifindex(device);
if (ifindex > 0) {
if (!nm_platform_link_infiniband_get_properties(nm_device_get_platform(device),
ifindex,
NULL,
NULL,
&transport_mode))
transport_mode = "datagram";
}
g_object_set(G_OBJECT(s_infiniband),
NM_SETTING_INFINIBAND_TRANSPORT_MODE,
transport_mode,
NULL);
}
static gboolean
can_reapply_change(NMDevice * device,
const char *setting_name,
NMSetting * s_old,
NMSetting * s_new,
GHashTable *diffs,
GError ** error)
{
NMDeviceClass *device_class;
if (nm_streq(setting_name, NM_SETTING_INFINIBAND_SETTING_NAME)) {
return nm_device_hash_check_invalid_keys(
diffs,
NM_SETTING_INFINIBAND_SETTING_NAME,
error,
NM_SETTING_INFINIBAND_MTU); /* reapplied with IP config */
}
device_class = NM_DEVICE_CLASS(nm_device_infiniband_parent_class);
return device_class->can_reapply_change(device, setting_name, s_old, s_new, diffs, error);
}
static gboolean
create_and_realize(NMDevice * device,
NMConnection * connection,
NMDevice * parent,
const NMPlatformLink **out_plink,
GError ** error)
{
NMDeviceInfinibandPrivate *priv = NM_DEVICE_INFINIBAND_GET_PRIVATE(device);
NMSettingInfiniband * s_infiniband;
int r;
s_infiniband = nm_connection_get_setting_infiniband(connection);
g_assert(s_infiniband);
/* Can only create partitions at this time */
priv->p_key = nm_setting_infiniband_get_p_key(s_infiniband);
if (priv->p_key < 0) {
g_set_error_literal(error,
NM_DEVICE_ERROR,
NM_DEVICE_ERROR_FAILED,
"only InfiniBand partitions can be created");
return FALSE;
}
if (!parent) {
g_set_error(error,
NM_DEVICE_ERROR,
NM_DEVICE_ERROR_MISSING_DEPENDENCIES,
"InfiniBand partitions can not be created without a parent interface");
return FALSE;
}
if (!NM_IS_DEVICE_INFINIBAND(parent)) {
g_set_error(error,
NM_DEVICE_ERROR,
NM_DEVICE_ERROR_MISSING_DEPENDENCIES,
"Parent interface %s must be an InfiniBand interface",
nm_device_get_iface(parent));
return FALSE;
}
priv->parent_ifindex = nm_device_get_ifindex(parent);
if (priv->parent_ifindex <= 0) {
g_set_error(error,
NM_DEVICE_ERROR,
NM_DEVICE_ERROR_MISSING_DEPENDENCIES,
"failed to get InfiniBand parent %s ifindex",
nm_device_get_iface(parent));
return FALSE;
}
r = nm_platform_link_infiniband_add(nm_device_get_platform(device),
priv->parent_ifindex,
priv->p_key,
out_plink);
if (r < 0) {
g_set_error(error,
NM_DEVICE_ERROR,
NM_DEVICE_ERROR_CREATION_FAILED,
"Failed to create InfiniBand P_Key interface '%s' for '%s': %s",
nm_device_get_iface(device),
nm_connection_get_id(connection),
nm_strerror(r));
return FALSE;
}
priv->is_partition = TRUE;
return TRUE;
}
static gboolean
unrealize(NMDevice *device, GError **error)
{
NMDeviceInfinibandPrivate *priv;
int r;
g_return_val_if_fail(NM_IS_DEVICE_INFINIBAND(device), FALSE);
priv = NM_DEVICE_INFINIBAND_GET_PRIVATE(device);
if (priv->p_key < 0) {
g_set_error(error,
NM_DEVICE_ERROR,
NM_DEVICE_ERROR_FAILED,
"Only InfiniBand partitions can be removed");
return FALSE;
}
r = nm_platform_link_infiniband_delete(nm_device_get_platform(device),
priv->parent_ifindex,
priv->p_key);
if (r < 0) {
g_set_error(error,
NM_DEVICE_ERROR,
NM_DEVICE_ERROR_CREATION_FAILED,
"Failed to remove InfiniBand P_Key interface '%s': %s",
nm_device_get_iface(device),
nm_strerror(r));
return FALSE;
}
return TRUE;
}
/*****************************************************************************/
static void
get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
switch (prop_id) {
case PROP_IS_PARTITION:
g_value_set_boolean(value, NM_DEVICE_INFINIBAND_GET_PRIVATE(object)->is_partition);
break;
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) {
case PROP_IS_PARTITION:
NM_DEVICE_INFINIBAND_GET_PRIVATE(object)->is_partition = g_value_get_boolean(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
/*****************************************************************************/
static void
nm_device_infiniband_init(NMDeviceInfiniband *self)
{}
static const NMDBusInterfaceInfoExtended interface_info_device_infiniband = {
.parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT(
NM_DBUS_INTERFACE_DEVICE_INFINIBAND,
.signals = NM_DEFINE_GDBUS_SIGNAL_INFOS(&nm_signal_info_property_changed_legacy, ),
.properties = NM_DEFINE_GDBUS_PROPERTY_INFOS(
NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("HwAddress",
"s",
NM_DEVICE_HW_ADDRESS),
NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Carrier",
"b",
NM_DEVICE_CARRIER), ), ),
.legacy_property_changed = TRUE,
};
static void
nm_device_infiniband_class_init(NMDeviceInfinibandClass *klass)
{
GObjectClass * object_class = G_OBJECT_CLASS(klass);
NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(klass);
NMDeviceClass * device_class = NM_DEVICE_CLASS(klass);
object_class->get_property = get_property;
object_class->set_property = set_property;
dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS(&interface_info_device_infiniband);
device_class->connection_type_supported = NM_SETTING_INFINIBAND_SETTING_NAME;
device_class->connection_type_check_compatible = NM_SETTING_INFINIBAND_SETTING_NAME;
device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES(NM_LINK_TYPE_INFINIBAND);
device_class->can_reapply_change = can_reapply_change;
device_class->create_and_realize = create_and_realize;
device_class->unrealize = unrealize;
device_class->get_generic_capabilities = get_generic_capabilities;
device_class->check_connection_compatible = check_connection_compatible;
device_class->complete_connection = complete_connection;
device_class->update_connection = update_connection;
device_class->act_stage1_prepare = act_stage1_prepare;
device_class->get_configured_mtu = get_configured_mtu;
obj_properties[PROP_IS_PARTITION] =
g_param_spec_boolean(NM_DEVICE_INFINIBAND_IS_PARTITION,
"",
"",
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties(object_class, _PROPERTY_ENUMS_LAST, obj_properties);
}
/*****************************************************************************/
#define NM_TYPE_INFINIBAND_DEVICE_FACTORY (nm_infiniband_device_factory_get_type())
#define NM_INFINIBAND_DEVICE_FACTORY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
NM_TYPE_INFINIBAND_DEVICE_FACTORY, \
NMInfinibandDeviceFactory))
static NMDevice *
create_device(NMDeviceFactory * factory,
const char * iface,
const NMPlatformLink *plink,
NMConnection * connection,
gboolean * out_ignore)
{
gboolean is_partition = FALSE;
if (plink)
is_partition = (plink->parent > 0 || plink->parent == NM_PLATFORM_LINK_OTHER_NETNS);
else if (connection) {
NMSettingInfiniband *s_infiniband;
s_infiniband = nm_connection_get_setting_infiniband(connection);
g_return_val_if_fail(s_infiniband, NULL);
is_partition = !!nm_setting_infiniband_get_parent(s_infiniband)
|| (nm_setting_infiniband_get_p_key(s_infiniband) >= 0
&& nm_setting_infiniband_get_mac_address(s_infiniband));
}
return g_object_new(NM_TYPE_DEVICE_INFINIBAND,
NM_DEVICE_IFACE,
iface,
NM_DEVICE_TYPE_DESC,
"InfiniBand",
NM_DEVICE_DEVICE_TYPE,
NM_DEVICE_TYPE_INFINIBAND,
NM_DEVICE_LINK_TYPE,
NM_LINK_TYPE_INFINIBAND,
/* NOTE: Partition should probably be a different link type! */
NM_DEVICE_INFINIBAND_IS_PARTITION,
is_partition,
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_connection_iface(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);
if (!parent_iface)
return NULL;
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_class->create_device = create_device;
factory_class->get_connection_parent = get_connection_parent;
factory_class->get_connection_iface = get_connection_iface;);