diff options
Diffstat (limited to 'src/core/devices/nm-device-infiniband.c')
| -rw-r--r-- | src/core/devices/nm-device-infiniband.c | 504 |
1 files changed, 504 insertions, 0 deletions
diff --git a/src/core/devices/nm-device-infiniband.c b/src/core/devices/nm-device-infiniband.c new file mode 100644 index 00000000..f54ffcf0 --- /dev/null +++ b/src/core/devices/nm-device-infiniband.c @@ -0,0 +1,504 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2011 - 2018 Red Hat, Inc. + */ + +#include "src/core/nm-default-daemon.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;); |