diff options
| author | Michael Biebl <biebl@debian.org> | 2021-02-11 18:11:46 +0100 |
|---|---|---|
| committer | Michael Biebl <biebl@debian.org> | 2021-02-11 18:11:46 +0100 |
| commit | 80ec1decc49c72efec2a8b87c06245c92c0ab807 (patch) | |
| tree | e3b229aa94e8dcf0590f2317664176e7b8f7607b /src/devices/nm-device-macvlan.c | |
| parent | 65f86e8f56267192d42f2b629fc6b0c99fb9cd0c (diff) | |
New upstream version 1.29.90 upstream/1.29.90
Diffstat (limited to 'src/devices/nm-device-macvlan.c')
| -rw-r--r-- | src/devices/nm-device-macvlan.c | 665 |
1 files changed, 0 insertions, 665 deletions
diff --git a/src/devices/nm-device-macvlan.c b/src/devices/nm-device-macvlan.c deleted file mode 100644 index d9e71c8c..00000000 --- a/src/devices/nm-device-macvlan.c +++ /dev/null @@ -1,665 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright (C) 2013 - 2015 Red Hat, Inc. - */ - -#include "nm-default.h" - -#include "nm-device-macvlan.h" - -#include <linux/if_link.h> - -#include "nm-device-private.h" -#include "settings/nm-settings.h" -#include "nm-act-request.h" -#include "nm-manager.h" -#include "platform/nm-platform.h" -#include "nm-device-factory.h" -#include "nm-setting-macvlan.h" -#include "nm-setting-wired.h" -#include "nm-active-connection.h" -#include "nm-ip4-config.h" -#include "nm-utils.h" - -#include "nm-device-logging.h" -_LOG_DECLARE_SELF(NMDeviceMacvlan); - -/*****************************************************************************/ - -NM_GOBJECT_PROPERTIES_DEFINE(NMDeviceMacvlan, PROP_MODE, PROP_NO_PROMISC, PROP_TAP, ); - -typedef struct { - gulong parent_state_id; - gulong parent_mtu_id; - NMPlatformLnkMacvlan props; -} NMDeviceMacvlanPrivate; - -struct _NMDeviceMacvlan { - NMDevice parent; - NMDeviceMacvlanPrivate _priv; -}; - -struct _NMDeviceMacvlanClass { - NMDeviceClass parent; -}; - -G_DEFINE_TYPE(NMDeviceMacvlan, nm_device_macvlan, NM_TYPE_DEVICE) - -#define NM_DEVICE_MACVLAN_GET_PRIVATE(self) \ - _NM_GET_PRIVATE(self, NMDeviceMacvlan, NM_IS_DEVICE_MACVLAN, NMDevice) - -/*****************************************************************************/ - -static int modes[][2] = { - {NM_SETTING_MACVLAN_MODE_VEPA, MACVLAN_MODE_VEPA}, - {NM_SETTING_MACVLAN_MODE_BRIDGE, MACVLAN_MODE_BRIDGE}, - {NM_SETTING_MACVLAN_MODE_PRIVATE, MACVLAN_MODE_PRIVATE}, - {NM_SETTING_MACVLAN_MODE_PASSTHRU, MACVLAN_MODE_PASSTHRU}, -}; - -static int -setting_mode_to_platform(int mode) -{ - guint i; - - for (i = 0; i < G_N_ELEMENTS(modes); i++) { - if (modes[i][0] == mode) - return modes[i][1]; - } - - return 0; -} - -static int -platform_mode_to_setting(int mode) -{ - guint i; - - for (i = 0; i < G_N_ELEMENTS(modes); i++) { - if (modes[i][1] == mode) - return modes[i][0]; - } - - return 0; -} - -static const char * -platform_mode_to_string(guint mode) -{ - switch (mode) { - case MACVLAN_MODE_PRIVATE: - return "private"; - case MACVLAN_MODE_VEPA: - return "vepa"; - case MACVLAN_MODE_BRIDGE: - return "bridge"; - case MACVLAN_MODE_PASSTHRU: - return "passthru"; - default: - return "unknown"; - } -} - -/*****************************************************************************/ - -static void -parent_state_changed(NMDevice * parent, - NMDeviceState new_state, - NMDeviceState old_state, - NMDeviceStateReason reason, - gpointer user_data) -{ - NMDeviceMacvlan *self = NM_DEVICE_MACVLAN(user_data); - - /* We'll react to our own carrier state notifications. Ignore the parent's. */ - if (nm_device_state_reason_check(reason) == NM_DEVICE_STATE_REASON_CARRIER) - return; - - nm_device_set_unmanaged_by_flags(NM_DEVICE(self), - NM_UNMANAGED_PARENT, - !nm_device_get_managed(parent, FALSE), - reason); -} - -static void -parent_mtu_maybe_changed(NMDevice *parent, GParamSpec *pspec, gpointer user_data) -{ - /* the MTU of a macvlan/macvtap device is limited by the parent's MTU. - * - * When the parent's MTU changes, try to re-set the MTU. */ - nm_device_commit_mtu(user_data); -} - -static void -parent_changed_notify(NMDevice *device, - int old_ifindex, - NMDevice *old_parent, - int new_ifindex, - NMDevice *new_parent) -{ - NMDeviceMacvlan * self = NM_DEVICE_MACVLAN(device); - NMDeviceMacvlanPrivate *priv = NM_DEVICE_MACVLAN_GET_PRIVATE(self); - - NM_DEVICE_CLASS(nm_device_macvlan_parent_class) - ->parent_changed_notify(device, old_ifindex, old_parent, new_ifindex, new_parent); - - /* note that @self doesn't have to clear @parent_state_id on dispose, - * because NMDevice's dispose() will unset the parent, which in turn calls - * parent_changed_notify(). */ - nm_clear_g_signal_handler(old_parent, &priv->parent_state_id); - nm_clear_g_signal_handler(old_parent, &priv->parent_mtu_id); - - if (new_parent) { - priv->parent_state_id = g_signal_connect(new_parent, - NM_DEVICE_STATE_CHANGED, - G_CALLBACK(parent_state_changed), - device); - priv->parent_mtu_id = g_signal_connect(new_parent, - "notify::" NM_DEVICE_MTU, - G_CALLBACK(parent_mtu_maybe_changed), - device); - - /* Set parent-dependent unmanaged flag */ - nm_device_set_unmanaged_by_flags(device, - NM_UNMANAGED_PARENT, - !nm_device_get_managed(new_parent, FALSE), - NM_DEVICE_STATE_REASON_PARENT_MANAGED_CHANGED); - } - - if (new_ifindex > 0) { - /* Recheck availability now that the parent has changed */ - nm_device_queue_recheck_available(device, - NM_DEVICE_STATE_REASON_PARENT_CHANGED, - NM_DEVICE_STATE_REASON_PARENT_CHANGED); - } -} - -static void -update_properties(NMDevice *device) -{ - NMDeviceMacvlan * self = NM_DEVICE_MACVLAN(device); - NMDeviceMacvlanPrivate * priv = NM_DEVICE_MACVLAN_GET_PRIVATE(self); - GObject * object = G_OBJECT(device); - const NMPlatformLnkMacvlan *props; - const NMPlatformLink * plink; - - if (priv->props.tap) - props = nm_platform_link_get_lnk_macvtap(nm_device_get_platform(device), - nm_device_get_ifindex(device), - &plink); - else - props = nm_platform_link_get_lnk_macvlan(nm_device_get_platform(device), - nm_device_get_ifindex(device), - &plink); - - if (!props) { - _LOGW(LOGD_PLATFORM, - "could not get %s properties", - priv->props.tap ? "macvtap" : "macvlan"); - return; - } - - g_object_freeze_notify(object); - - nm_device_parent_set_ifindex(device, plink->parent); - -#define CHECK_PROPERTY_CHANGED(field, prop) \ - G_STMT_START \ - { \ - if (priv->props.field != props->field) { \ - priv->props.field = props->field; \ - _notify(self, prop); \ - } \ - } \ - G_STMT_END - - CHECK_PROPERTY_CHANGED(mode, PROP_MODE); - CHECK_PROPERTY_CHANGED(no_promisc, PROP_NO_PROMISC); - - g_object_thaw_notify(object); -} - -static void -link_changed(NMDevice *device, const NMPlatformLink *pllink) -{ - NM_DEVICE_CLASS(nm_device_macvlan_parent_class)->link_changed(device, pllink); - update_properties(device); -} - -static gboolean -create_and_realize(NMDevice * device, - NMConnection * connection, - NMDevice * parent, - const NMPlatformLink **out_plink, - GError ** error) -{ - const char * iface = nm_device_get_iface(device); - NMSettingMacvlan * s_macvlan; - NMPlatformLnkMacvlan lnk = {}; - int parent_ifindex; - int r; - - s_macvlan = nm_connection_get_setting_macvlan(connection); - g_return_val_if_fail(s_macvlan, FALSE); - - parent_ifindex = parent ? nm_device_get_ifindex(parent) : 0; - - if (parent_ifindex <= 0) { - g_set_error(error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_MISSING_DEPENDENCIES, - "MACVLAN devices can not be created without a parent interface"); - g_return_val_if_fail(!parent, FALSE); - return FALSE; - } - - lnk.mode = setting_mode_to_platform(nm_setting_macvlan_get_mode(s_macvlan)); - if (!lnk.mode) { - g_set_error(error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_FAILED, - "unsupported MACVLAN mode %u in connection %s", - nm_setting_macvlan_get_mode(s_macvlan), - nm_connection_get_uuid(connection)); - return FALSE; - } - lnk.no_promisc = !nm_setting_macvlan_get_promiscuous(s_macvlan); - lnk.tap = nm_setting_macvlan_get_tap(s_macvlan); - - r = nm_platform_link_macvlan_add(nm_device_get_platform(device), - iface, - parent_ifindex, - &lnk, - out_plink); - if (r < 0) { - g_set_error(error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_CREATION_FAILED, - "Failed to create %s interface '%s' for '%s': %s", - lnk.tap ? "macvtap" : "macvlan", - iface, - nm_connection_get_id(connection), - nm_strerror(r)); - return FALSE; - } - - return TRUE; -} - -/*****************************************************************************/ - -static NMDeviceCapabilities -get_generic_capabilities(NMDevice *device) -{ - /* We assume MACVLAN interfaces always support carrier detect */ - return NM_DEVICE_CAP_CARRIER_DETECT | NM_DEVICE_CAP_IS_SOFTWARE; -} - -/*****************************************************************************/ - -static gboolean -is_available(NMDevice *device, NMDeviceCheckDevAvailableFlags flags) -{ - if (!nm_device_parent_get_device(device)) - return FALSE; - return NM_DEVICE_CLASS(nm_device_macvlan_parent_class)->is_available(device, flags); -} - -/*****************************************************************************/ - -static gboolean -check_connection_compatible(NMDevice *device, NMConnection *connection, GError **error) -{ - NMDeviceMacvlanPrivate *priv = NM_DEVICE_MACVLAN_GET_PRIVATE(device); - NMSettingMacvlan * s_macvlan; - const char * parent = NULL; - - if (!NM_DEVICE_CLASS(nm_device_macvlan_parent_class) - ->check_connection_compatible(device, connection, error)) - return FALSE; - - s_macvlan = nm_connection_get_setting_macvlan(connection); - - if (nm_setting_macvlan_get_tap(s_macvlan) != priv->props.tap) { - if (priv->props.tap) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "macvtap device does not match macvlan profile"); - } else { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "macvlan device does not match macvtap profile"); - } - return FALSE; - } - - /* Before the device is realized some properties will not be set */ - if (nm_device_is_real(device)) { - if (setting_mode_to_platform(nm_setting_macvlan_get_mode(s_macvlan)) != priv->props.mode) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "macvlan mode setting differs"); - return FALSE; - } - - if (nm_setting_macvlan_get_promiscuous(s_macvlan) == priv->props.no_promisc) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "macvlan promiscuous setting differs"); - return FALSE; - } - - /* Check parent interface; could be an interface name or a UUID */ - parent = nm_setting_macvlan_get_parent(s_macvlan); - if (parent) { - if (!nm_device_match_parent(device, parent)) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "macvlan parent setting differs"); - return FALSE; - } - } else { - /* Parent could be a MAC address in an NMSettingWired */ - if (!nm_device_match_parent_hwaddr(device, connection, TRUE)) { - nm_utils_error_set_literal(error, - NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, - "macvlan parent mac setting differs"); - return FALSE; - } - } - } - - return TRUE; -} - -static gboolean -complete_connection(NMDevice * device, - NMConnection * connection, - const char * specific_object, - NMConnection *const *existing_connections, - GError ** error) -{ - NMSettingMacvlan *s_macvlan; - - nm_utils_complete_generic(nm_device_get_platform(device), - connection, - NM_SETTING_MACVLAN_SETTING_NAME, - existing_connections, - NULL, - _("MACVLAN connection"), - NULL, - NULL, - TRUE); - - s_macvlan = nm_connection_get_setting_macvlan(connection); - if (!s_macvlan) { - g_set_error_literal(error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_INVALID_CONNECTION, - "A 'macvlan' setting is required."); - return FALSE; - } - - /* If there's no MACVLAN interface, no parent, and no hardware address in the - * settings, then there's not enough information to complete the setting. - */ - if (!nm_setting_macvlan_get_parent(s_macvlan) - && !nm_device_match_parent_hwaddr(device, connection, TRUE)) { - g_set_error_literal( - error, - NM_DEVICE_ERROR, - NM_DEVICE_ERROR_INVALID_CONNECTION, - "The 'macvlan' setting had no interface name, parent, or hardware address."); - return FALSE; - } - - return TRUE; -} - -static void -update_connection(NMDevice *device, NMConnection *connection) -{ - NMDeviceMacvlanPrivate *priv = NM_DEVICE_MACVLAN_GET_PRIVATE(device); - NMSettingMacvlan * s_macvlan = nm_connection_get_setting_macvlan(connection); - int new_mode; - - if (!s_macvlan) { - s_macvlan = (NMSettingMacvlan *) nm_setting_macvlan_new(); - nm_connection_add_setting(connection, (NMSetting *) s_macvlan); - } - - new_mode = platform_mode_to_setting(priv->props.mode); - if (new_mode != nm_setting_macvlan_get_mode(s_macvlan)) - g_object_set(s_macvlan, NM_SETTING_MACVLAN_MODE, new_mode, NULL); - - if (priv->props.no_promisc == nm_setting_macvlan_get_promiscuous(s_macvlan)) - g_object_set(s_macvlan, NM_SETTING_MACVLAN_PROMISCUOUS, !priv->props.no_promisc, NULL); - - if (priv->props.tap != nm_setting_macvlan_get_tap(s_macvlan)) - g_object_set(s_macvlan, NM_SETTING_MACVLAN_TAP, !!priv->props.tap, NULL); - - g_object_set( - s_macvlan, - NM_SETTING_MACVLAN_PARENT, - nm_device_parent_find_for_connection(device, nm_setting_macvlan_get_parent(s_macvlan)), - NULL); -} - -/*****************************************************************************/ - -static void -get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) -{ - NMDeviceMacvlanPrivate *priv = NM_DEVICE_MACVLAN_GET_PRIVATE(object); - - switch (prop_id) { - case PROP_MODE: - g_value_set_string(value, platform_mode_to_string(priv->props.mode)); - break; - case PROP_NO_PROMISC: - g_value_set_boolean(value, priv->props.no_promisc); - break; - case PROP_TAP: - g_value_set_boolean(value, priv->props.tap); - 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) -{ - NMDeviceMacvlanPrivate *priv = NM_DEVICE_MACVLAN_GET_PRIVATE(object); - - switch (prop_id) { - case PROP_TAP: - priv->props.tap = g_value_get_boolean(value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); - } -} - -/*****************************************************************************/ - -static void -nm_device_macvlan_init(NMDeviceMacvlan *self) -{} - -#if NM_MORE_ASSERTS -static void -dispose(GObject *object) -{ - G_OBJECT_CLASS(nm_device_macvlan_parent_class)->dispose(object); - - nm_assert(NM_DEVICE_MACVLAN_GET_PRIVATE(object)->parent_state_id == 0); - nm_assert(NM_DEVICE_MACVLAN_GET_PRIVATE(object)->parent_mtu_id == 0); -} -#endif - -static const NMDBusInterfaceInfoExtended interface_info_device_macvlan = { - .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT( - NM_DBUS_INTERFACE_DEVICE_MACVLAN, - .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("Parent", "o", NM_DEVICE_PARENT), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Mode", "s", NM_DEVICE_MACVLAN_MODE), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("NoPromisc", - "b", - NM_DEVICE_MACVLAN_NO_PROMISC), - NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE_L("Tab", - "b", - NM_DEVICE_MACVLAN_TAP), ), ), - .legacy_property_changed = TRUE, -}; - -static void -nm_device_macvlan_class_init(NMDeviceMacvlanClass *klass) -{ - GObjectClass * object_class = G_OBJECT_CLASS(klass); - NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(klass); - NMDeviceClass * device_class = NM_DEVICE_CLASS(klass); - -#if NM_MORE_ASSERTS - object_class->dispose = dispose; -#endif - object_class->get_property = get_property; - object_class->set_property = set_property; - - dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS(&interface_info_device_macvlan); - - device_class->connection_type_supported = NM_SETTING_MACVLAN_SETTING_NAME; - device_class->connection_type_check_compatible = NM_SETTING_MACVLAN_SETTING_NAME; - device_class->link_types = - NM_DEVICE_DEFINE_LINK_TYPES(NM_LINK_TYPE_MACVLAN, NM_LINK_TYPE_MACVTAP); - device_class->mtu_parent_delta = 0; - - device_class->act_stage1_prepare_set_hwaddr_ethernet = TRUE; - device_class->check_connection_compatible = check_connection_compatible; - device_class->complete_connection = complete_connection; - device_class->create_and_realize = create_and_realize; - device_class->get_generic_capabilities = get_generic_capabilities; - device_class->get_configured_mtu = nm_device_get_configured_mtu_wired_parent; - device_class->is_available = is_available; - device_class->link_changed = link_changed; - device_class->parent_changed_notify = parent_changed_notify; - device_class->update_connection = update_connection; - - obj_properties[PROP_MODE] = g_param_spec_string(NM_DEVICE_MACVLAN_MODE, - "", - "", - NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - obj_properties[PROP_NO_PROMISC] = - g_param_spec_boolean(NM_DEVICE_MACVLAN_NO_PROMISC, - "", - "", - FALSE, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS); - - obj_properties[PROP_TAP] = - g_param_spec_boolean(NM_DEVICE_MACVLAN_TAP, - "", - "", - 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_MACVLAN_DEVICE_FACTORY (nm_macvlan_device_factory_get_type()) -#define NM_MACVLAN_DEVICE_FACTORY(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_MACVLAN_DEVICE_FACTORY, NMMacvlanDeviceFactory)) - -static NMDevice * -create_device(NMDeviceFactory * factory, - const char * iface, - const NMPlatformLink *plink, - NMConnection * connection, - gboolean * out_ignore) -{ - NMSettingMacvlan *s_macvlan; - NMLinkType link_type; - gboolean tap; - - if (connection) { - s_macvlan = nm_connection_get_setting_macvlan(connection); - g_assert(s_macvlan); - tap = nm_setting_macvlan_get_tap(s_macvlan); - } else { - g_assert(plink); - tap = plink->type == NM_LINK_TYPE_MACVTAP; - } - - link_type = tap ? NM_LINK_TYPE_MACVTAP : NM_LINK_TYPE_MACVLAN; - - return (NMDevice *) g_object_new(NM_TYPE_DEVICE_MACVLAN, - NM_DEVICE_IFACE, - iface, - NM_DEVICE_TYPE_DESC, - "Macvlan", - NM_DEVICE_DEVICE_TYPE, - NM_DEVICE_TYPE_MACVLAN, - NM_DEVICE_LINK_TYPE, - link_type, - NM_DEVICE_MACVLAN_TAP, - tap, - NULL); -} - -static const char * -get_connection_parent(NMDeviceFactory *factory, NMConnection *connection) -{ - NMSettingMacvlan *s_macvlan; - NMSettingWired * s_wired; - const char * parent = NULL; - - g_return_val_if_fail(nm_connection_is_type(connection, NM_SETTING_MACVLAN_SETTING_NAME), NULL); - - s_macvlan = nm_connection_get_setting_macvlan(connection); - g_assert(s_macvlan); - - parent = nm_setting_macvlan_get_parent(s_macvlan); - if (parent) - return parent; - - /* Try the hardware address from the MACVLAN connection's hardware setting */ - s_wired = nm_connection_get_setting_wired(connection); - if (s_wired) - return nm_setting_wired_get_mac_address(s_wired); - - return NULL; -} - -static char * -get_connection_iface(NMDeviceFactory *factory, NMConnection *connection, const char *parent_iface) -{ - NMSettingMacvlan *s_macvlan; - const char * ifname; - - g_return_val_if_fail(nm_connection_is_type(connection, NM_SETTING_MACVLAN_SETTING_NAME), NULL); - - s_macvlan = nm_connection_get_setting_macvlan(connection); - g_assert(s_macvlan); - - if (!parent_iface) - return NULL; - - ifname = nm_connection_get_interface_name(connection); - return g_strdup(ifname); -} - -NM_DEVICE_FACTORY_DEFINE_INTERNAL( - MACVLAN, - Macvlan, - macvlan, - NM_DEVICE_FACTORY_DECLARE_LINK_TYPES(NM_LINK_TYPE_MACVLAN, NM_LINK_TYPE_MACVTAP) - NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES(NM_SETTING_MACVLAN_SETTING_NAME), - factory_class->create_device = create_device; - factory_class->get_connection_parent = get_connection_parent; - factory_class->get_connection_iface = get_connection_iface;); |