// SPDX-License-Identifier: GPL-2.0+
/*
* 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 (NMDevice *) 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;
);