/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2011 - 2015 Red Hat, Inc. */ #include "src/core/nm-default-daemon.h" #include "nm-device-bridge.h" #include #include #include "NetworkManagerUtils.h" #include "nm-device-private.h" #include "libnm-platform/nm-platform.h" #include "libnm-platform/nm-platform-utils.h" #include "nm-device-factory.h" #include "libnm-core-aux-intern/nm-libnm-core-utils.h" #include "libnm-core-intern/nm-core-internal.h" #define _NMLOG_DEVICE_TYPE NMDeviceBridge #include "nm-device-logging.h" /*****************************************************************************/ enum _NMBtCbState { _NM_BT_CB_STATE_NONE = 0, /* Registration not done */ _NM_BT_CB_STATE_WAIT = 1, /* Waiting for the callback */ _NM_BT_CB_STATE_SUCCESS = 2, /* Callback succeeded */ }; struct _NMDeviceBridge { NMDevice parent; GCancellable *bt_cancellable; bool vlan_configured : 1; unsigned bt_cb_state : 2; }; struct _NMDeviceBridgeClass { NMDeviceClass parent; }; G_DEFINE_TYPE(NMDeviceBridge, nm_device_bridge, NM_TYPE_DEVICE) /*****************************************************************************/ const NMBtVTableNetworkServer *nm_bt_vtable_network_server = NULL; /*****************************************************************************/ static NMDeviceCapabilities get_generic_capabilities(NMDevice *dev) { return NM_DEVICE_CAP_CARRIER_DETECT | NM_DEVICE_CAP_IS_SOFTWARE; } static gboolean check_connection_available(NMDevice *device, NMConnection *connection, NMDeviceCheckConAvailableFlags flags, const char *specific_object, GError **error) { NMDeviceBridge *self = NM_DEVICE_BRIDGE(device); NMSettingBluetooth *s_bt; if (!NM_DEVICE_CLASS(nm_device_bridge_parent_class) ->check_connection_available(device, connection, flags, specific_object, error)) return FALSE; s_bt = _nm_connection_get_setting_bluetooth_for_nap(connection); if (s_bt) { const char *bdaddr; if (!nm_bt_vtable_network_server) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "bluetooth plugin not available to activate NAP profile"); return FALSE; } bdaddr = nm_setting_bluetooth_get_bdaddr(s_bt); if (!nm_bt_vtable_network_server->is_available( nm_bt_vtable_network_server, bdaddr, (self->bt_cancellable || self->bt_cb_state != _NM_BT_CB_STATE_NONE) ? device : NULL)) { if (bdaddr) nm_utils_error_set(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "no suitable NAP device \"%s\" available", bdaddr); else nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "no suitable NAP device available"); return FALSE; } } return TRUE; } static gboolean check_connection_compatible(NMDevice *device, NMConnection *connection, gboolean check_properties, GError **error) { NMSettingBridge *s_bridge; const char *mac_address; if (!NM_DEVICE_CLASS(nm_device_bridge_parent_class) ->check_connection_compatible(device, connection, check_properties, error)) return FALSE; if (nm_connection_is_type(connection, NM_SETTING_BLUETOOTH_SETTING_NAME) && _nm_connection_get_setting_bluetooth_for_nap(connection)) { s_bridge = nm_connection_get_setting_bridge(connection); if (!s_bridge) { nm_utils_error_set_literal(error, NM_UTILS_ERROR_CONNECTION_AVAILABLE_TEMPORARY, "missing bridge setting for bluetooth NAP profile"); return FALSE; } /* a bluetooth NAP connection is handled by the bridge. * * Proceed... */ } else { s_bridge = _nm_connection_check_main_setting(connection, NM_SETTING_BRIDGE_SETTING_NAME, error); if (!s_bridge) return FALSE; } mac_address = nm_setting_bridge_get_mac_address(s_bridge); if (mac_address && nm_device_is_real(device)) { const char *hw_addr; hw_addr = nm_device_get_hw_address(device); if (!hw_addr || !nm_utils_hwaddr_matches(hw_addr, -1, mac_address, -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) { nm_utils_complete_generic(nm_device_get_platform(device), connection, NM_SETTING_BRIDGE_SETTING_NAME, existing_connections, NULL, _("Bridge connection"), "bridge", NULL, TRUE); _nm_connection_ensure_setting(connection, NM_TYPE_SETTING_BRIDGE); return TRUE; } static void to_sysfs_group_address_sys(const char *group_address, NMEtherAddr *out_addr) { if (group_address == NULL) { *out_addr = NM_ETHER_ADDR_INIT(NM_BRIDGE_GROUP_ADDRESS_DEF_BIN); return; } if (!nm_utils_hwaddr_aton(group_address, out_addr, ETH_ALEN)) nm_assert_not_reached(); } static void from_sysfs_group_address(const char *value, GValue *out) { if (!nm_utils_hwaddr_matches(value, -1, NM_BRIDGE_GROUP_ADDRESS_DEF_STR, -1)) g_value_set_string(out, value); } static const char * to_sysfs_group_address(GValue *value) { return g_value_get_string(value) ?: NM_BRIDGE_GROUP_ADDRESS_DEF_STR; } static int to_sysfs_vlan_protocol_sys(const char *value) { if (nm_streq0(value, "802.1ad")) return ETH_P_8021AD; return ETH_P_8021Q; } static void from_sysfs_vlan_protocol(const char *value, GValue *out) { switch (_nm_utils_ascii_str_to_uint64(value, 16, 0, G_MAXUINT, -1)) { case ETH_P_8021Q: /* default value */ break; case ETH_P_8021AD: g_value_set_string(out, "802.1ad"); break; } } static const char * to_sysfs_vlan_protocol(GValue *value) { const char *str = g_value_get_string(value); if (nm_streq0(str, "802.1ad")) { G_STATIC_ASSERT_EXPR(ETH_P_8021AD == 0x88A8); return "0x88A8"; } G_STATIC_ASSERT_EXPR(ETH_P_8021Q == 0x8100); return "0x8100"; } static int to_sysfs_multicast_router_sys(const char *value) { if (nm_streq0(value, "disabled")) return 0; if (nm_streq0(value, "auto")) return 1; if (nm_streq0(value, "enabled")) return 2; return 1; } static const char * to_sysfs_multicast_router(GValue *value) { const char *str = g_value_get_string(value); if (nm_streq0(str, "disabled")) return "0"; if (nm_streq0(str, "auto")) return "1"; if (nm_streq0(str, "enabled")) return "2"; return "1"; } static void from_sysfs_multicast_router(const char *value, GValue *out) { switch (_nm_utils_ascii_str_to_uint64(value, 10, 0, G_MAXUINT, -1)) { case 0: g_value_set_string(out, "disabled"); break; case 2: g_value_set_string(out, "enabled"); break; case 1: default: /* default value */ break; } } /*****************************************************************************/ #define _DEFAULT_IF_ZERO(val, def_val) \ ({ \ typeof(val) _val = (val); \ typeof(val) _def_val = (def_val); \ \ (_val == 0) ? _def_val : _val; \ }) typedef struct { const char *name; const char *sysname; const char *(*to_sysfs)(GValue *value); void (*from_sysfs)(const char *value, GValue *out); guint64 nm_min; guint64 nm_max; guint64 nm_default; bool default_if_zero; bool user_hz_compensate; bool only_with_stp; } Option; #define OPTION(_name, _sysname, ...) \ {.name = ""_name \ "", \ .sysname = ""_sysname \ "", \ __VA_ARGS__} #define OPTION_TYPE_INT(min, max, def) .nm_min = (min), .nm_max = (max), .nm_default = (def) #define OPTION_TYPE_BOOL(def) OPTION_TYPE_INT(FALSE, TRUE, def) #define OPTION_TYPE_TOFROM(to, fro) .to_sysfs = (to), .from_sysfs = (fro) static const Option controller_options[] = { OPTION(NM_SETTING_BRIDGE_STP, /* this must stay as the first item */ "stp_state", OPTION_TYPE_BOOL(NM_BRIDGE_STP_DEF), ), OPTION(NM_SETTING_BRIDGE_PRIORITY, "priority", OPTION_TYPE_INT(NM_BRIDGE_PRIORITY_MIN, NM_BRIDGE_PRIORITY_MAX, NM_BRIDGE_PRIORITY_DEF), .default_if_zero = TRUE, .only_with_stp = TRUE, ), OPTION(NM_SETTING_BRIDGE_FORWARD_DELAY, "forward_delay", OPTION_TYPE_INT(NM_BRIDGE_FORWARD_DELAY_MIN, NM_BRIDGE_FORWARD_DELAY_MAX, NM_BRIDGE_FORWARD_DELAY_DEF), .default_if_zero = TRUE, .user_hz_compensate = TRUE, .only_with_stp = TRUE, ), OPTION(NM_SETTING_BRIDGE_HELLO_TIME, "hello_time", OPTION_TYPE_INT(NM_BRIDGE_HELLO_TIME_MIN, NM_BRIDGE_HELLO_TIME_MAX, NM_BRIDGE_HELLO_TIME_DEF), .default_if_zero = TRUE, .user_hz_compensate = TRUE, .only_with_stp = TRUE, ), OPTION(NM_SETTING_BRIDGE_MAX_AGE, "max_age", OPTION_TYPE_INT(NM_BRIDGE_MAX_AGE_MIN, NM_BRIDGE_MAX_AGE_MAX, NM_BRIDGE_MAX_AGE_DEF), .default_if_zero = TRUE, .user_hz_compensate = TRUE, .only_with_stp = TRUE, ), OPTION(NM_SETTING_BRIDGE_AGEING_TIME, "ageing_time", OPTION_TYPE_INT(NM_BRIDGE_AGEING_TIME_MIN, NM_BRIDGE_AGEING_TIME_MAX, NM_BRIDGE_AGEING_TIME_DEF), .user_hz_compensate = TRUE, ), OPTION(NM_SETTING_BRIDGE_GROUP_FORWARD_MASK, "group_fwd_mask", OPTION_TYPE_INT(0, 0xFFFF, 0), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_HASH_MAX, "hash_max", OPTION_TYPE_INT(NM_BRIDGE_MULTICAST_HASH_MAX_MIN, NM_BRIDGE_MULTICAST_HASH_MAX_MAX, NM_BRIDGE_MULTICAST_HASH_MAX_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_LAST_MEMBER_COUNT, "multicast_last_member_count", OPTION_TYPE_INT(NM_BRIDGE_MULTICAST_LAST_MEMBER_COUNT_MIN, NM_BRIDGE_MULTICAST_LAST_MEMBER_COUNT_MAX, NM_BRIDGE_MULTICAST_LAST_MEMBER_COUNT_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_LAST_MEMBER_INTERVAL, "multicast_last_member_interval", OPTION_TYPE_INT(NM_BRIDGE_MULTICAST_LAST_MEMBER_INTERVAL_MIN, NM_BRIDGE_MULTICAST_LAST_MEMBER_INTERVAL_MAX, NM_BRIDGE_MULTICAST_LAST_MEMBER_INTERVAL_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_MEMBERSHIP_INTERVAL, "multicast_membership_interval", OPTION_TYPE_INT(NM_BRIDGE_MULTICAST_MEMBERSHIP_INTERVAL_MIN, NM_BRIDGE_MULTICAST_MEMBERSHIP_INTERVAL_MAX, NM_BRIDGE_MULTICAST_MEMBERSHIP_INTERVAL_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_QUERIER, "multicast_querier", OPTION_TYPE_BOOL(NM_BRIDGE_MULTICAST_QUERIER_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_QUERIER_INTERVAL, "multicast_querier_interval", OPTION_TYPE_INT(NM_BRIDGE_MULTICAST_QUERIER_INTERVAL_MIN, NM_BRIDGE_MULTICAST_QUERIER_INTERVAL_MAX, NM_BRIDGE_MULTICAST_QUERIER_INTERVAL_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_QUERY_INTERVAL, "multicast_query_interval", OPTION_TYPE_INT(NM_BRIDGE_MULTICAST_QUERY_INTERVAL_MIN, NM_BRIDGE_MULTICAST_QUERY_INTERVAL_MAX, NM_BRIDGE_MULTICAST_QUERY_INTERVAL_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_QUERY_RESPONSE_INTERVAL, "multicast_query_response_interval", OPTION_TYPE_INT(NM_BRIDGE_MULTICAST_QUERY_RESPONSE_INTERVAL_MIN, NM_BRIDGE_MULTICAST_QUERY_RESPONSE_INTERVAL_MAX, NM_BRIDGE_MULTICAST_QUERY_RESPONSE_INTERVAL_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_QUERY_USE_IFADDR, "multicast_query_use_ifaddr", OPTION_TYPE_BOOL(NM_BRIDGE_MULTICAST_QUERY_USE_IFADDR_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_SNOOPING, "multicast_snooping", OPTION_TYPE_BOOL(NM_BRIDGE_MULTICAST_SNOOPING_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_ROUTER, "multicast_router", OPTION_TYPE_TOFROM(to_sysfs_multicast_router, from_sysfs_multicast_router), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_STARTUP_QUERY_COUNT, "multicast_startup_query_count", OPTION_TYPE_INT(NM_BRIDGE_MULTICAST_STARTUP_QUERY_COUNT_MIN, NM_BRIDGE_MULTICAST_STARTUP_QUERY_COUNT_MAX, NM_BRIDGE_MULTICAST_STARTUP_QUERY_COUNT_DEF), ), OPTION(NM_SETTING_BRIDGE_MULTICAST_STARTUP_QUERY_INTERVAL, "multicast_startup_query_interval", OPTION_TYPE_INT(NM_BRIDGE_MULTICAST_STARTUP_QUERY_INTERVAL_MIN, NM_BRIDGE_MULTICAST_STARTUP_QUERY_INTERVAL_MAX, NM_BRIDGE_MULTICAST_STARTUP_QUERY_INTERVAL_DEF), ), OPTION(NM_SETTING_BRIDGE_GROUP_ADDRESS, "group_addr", OPTION_TYPE_TOFROM(to_sysfs_group_address, from_sysfs_group_address), ), OPTION(NM_SETTING_BRIDGE_VLAN_PROTOCOL, "vlan_protocol", OPTION_TYPE_TOFROM(to_sysfs_vlan_protocol, from_sysfs_vlan_protocol), ), OPTION(NM_SETTING_BRIDGE_VLAN_STATS_ENABLED, "vlan_stats_enabled", OPTION_TYPE_BOOL(NM_BRIDGE_VLAN_STATS_ENABLED_DEF)), { 0, }}; static NMPlatformBridgeVlan * setting_vlans_to_platform(GPtrArray *array, guint *out_len) { NMPlatformBridgeVlan *arr; guint i; if (!array || !array->len) { *out_len = 0; return NULL; } arr = g_new(NMPlatformBridgeVlan, array->len); for (i = 0; i < array->len; i++) { NMBridgeVlan *vlan = array->pdata[i]; guint16 vid_start, vid_end; nm_bridge_vlan_get_vid_range(vlan, &vid_start, &vid_end); arr[i] = (NMPlatformBridgeVlan) { .vid_start = vid_start, .vid_end = vid_end, .pvid = nm_bridge_vlan_is_pvid(vlan), .untagged = nm_bridge_vlan_is_untagged(vlan), }; } *out_len = array->len; return arr; } static void commit_port_options(NMDevice *device, NMSettingBridgePort *setting) { guint32 path_cost, priority; path_cost = nm_setting_bridge_port_get_path_cost(setting); if (path_cost == 0) path_cost = NM_BRIDGE_PORT_PATH_COST_DEF; priority = nm_setting_bridge_port_get_priority(setting); if (priority == 0) priority = NM_BRIDGE_PORT_PRIORITY_DEF; nm_platform_link_change(nm_device_get_platform(device), nm_device_get_ifindex(device), NULL, NULL, &((NMPlatformLinkBridgePort) { .path_cost = path_cost, .priority = priority, .hairpin = nm_setting_bridge_port_get_hairpin_mode(setting), }), 0); } static void update_connection(NMDevice *device, NMConnection *connection) { NMDeviceBridge *self = NM_DEVICE_BRIDGE(device); NMSettingBridge *s_bridge = _nm_connection_ensure_setting(connection, NM_TYPE_SETTING_BRIDGE); int ifindex = nm_device_get_ifindex(device); const Option *option; gs_free char *stp = NULL; int stp_value; option = controller_options; nm_assert(nm_streq(option->sysname, "stp_state")); stp = nm_platform_sysctl_controller_get_option(nm_device_get_platform(device), ifindex, option->sysname); stp_value = _nm_utils_ascii_str_to_int64(stp, 10, option->nm_min, option->nm_max, option->nm_default); g_object_set(s_bridge, option->name, stp_value, NULL); option++; for (; option->name; option++) { nm_auto_unset_gvalue GValue value = G_VALUE_INIT; gs_free char *str = NULL; GParamSpec *pspec; str = nm_platform_sysctl_controller_get_option(nm_device_get_platform(device), ifindex, option->sysname); pspec = g_object_class_find_property(G_OBJECT_GET_CLASS(s_bridge), option->name); if (!stp_value && option->only_with_stp) continue; if (!str) { _LOGW(LOGD_BRIDGE, "failed to read bridge setting '%s'", option->sysname); continue; } g_value_init(&value, G_PARAM_SPEC_VALUE_TYPE(pspec)); if (option->from_sysfs) { option->from_sysfs(str, &value); goto out; } switch (pspec->value_type) { case G_TYPE_UINT64: case G_TYPE_UINT: { guint64 uvalue; /* See comments in set_sysfs_uint() about centiseconds. */ if (option->user_hz_compensate) { uvalue = _nm_utils_ascii_str_to_int64(str, 10, option->nm_min * 100, option->nm_max * 100, option->nm_default * 100); uvalue /= 100; } else { uvalue = _nm_utils_ascii_str_to_uint64(str, 10, option->nm_min, option->nm_max, option->nm_default); } if (pspec->value_type == G_TYPE_UINT64) g_value_set_uint64(&value, uvalue); else g_value_set_uint(&value, (guint) uvalue); } break; case G_TYPE_BOOLEAN: { gboolean bvalue; bvalue = _nm_utils_ascii_str_to_int64(str, 10, option->nm_min, option->nm_max, option->nm_default); g_value_set_boolean(&value, bvalue); } break; case G_TYPE_STRING: g_value_set_string(&value, str); break; default: nm_assert_not_reached(); break; } out: g_object_set_property(G_OBJECT(s_bridge), option->name, &value); } } static gboolean controller_update_port_connection(NMDevice *device, NMDevice *port, NMConnection *connection, GError **error) { NMSettingConnection *s_con; NMSettingBridgePort *s_port; int ifindex_port = nm_device_get_ifindex(port); NMConnection *applied_connection = nm_device_get_applied_connection(device); const NMPlatformLink *pllink; g_return_val_if_fail(ifindex_port > 0, FALSE); s_con = nm_connection_get_setting_connection(connection); s_port = _nm_connection_ensure_setting(connection, NM_TYPE_SETTING_BRIDGE_PORT); pllink = nm_platform_link_get(nm_device_get_platform(port), ifindex_port); if (pllink && pllink->port_kind == NM_PORT_KIND_BRIDGE) { g_object_set(s_port, NM_SETTING_BRIDGE_PORT_PATH_COST, pllink->port_data.bridge.path_cost, NULL); g_object_set(s_port, NM_SETTING_BRIDGE_PORT_PRIORITY, pllink->port_data.bridge.priority, NULL); g_object_set(s_port, NM_SETTING_BRIDGE_PORT_HAIRPIN_MODE, pllink->port_data.bridge.hairpin, NULL); } g_object_set(s_con, NM_SETTING_CONNECTION_CONTROLLER, nm_connection_get_uuid(applied_connection), NM_SETTING_CONNECTION_PORT_TYPE, NM_SETTING_BRIDGE_SETTING_NAME, NULL); return TRUE; } static gboolean is_bridge_pvid_changed(NMDevice *device, NMSettingBridge *s_bridge) { int ifindex = nm_device_get_ifindex(device); const NMPlatformLnkBridge *nmp_link_br; NMPlatform *platform = nm_device_get_platform(device); bool desired_vlan_filtering = nm_setting_bridge_get_vlan_filtering(s_bridge); guint16 desired_pvid = nm_setting_bridge_get_vlan_default_pvid(s_bridge); nm_platform_link_refresh(platform, ifindex); nmp_link_br = nm_platform_link_get_lnk_bridge(platform, ifindex, NULL); if (nmp_link_br) { return desired_vlan_filtering != nmp_link_br->vlan_filtering || desired_pvid != nmp_link_br->default_pvid; } else { return TRUE; } } static gboolean bridge_set_vlan_options(NMDevice *device, NMSettingBridge *s_bridge, gboolean is_reapply) { NMDeviceBridge *self = NM_DEVICE_BRIDGE(device); gconstpointer hwaddr; size_t length; gboolean enabled; guint16 pvid; NMPlatform *plat; int ifindex; gs_unref_ptrarray GPtrArray *vlans = NULL; gs_free NMPlatformBridgeVlan *plat_vlans = NULL; guint num_vlans; if (self->vlan_configured) return TRUE; plat = nm_device_get_platform(device); ifindex = nm_device_get_ifindex(device); enabled = nm_setting_bridge_get_vlan_filtering(s_bridge); if (!enabled) { nm_platform_link_set_bridge_info( plat, ifindex, &((NMPlatformLinkSetBridgeInfoData) {.vlan_filtering_has = TRUE, .vlan_filtering_val = FALSE, .vlan_default_pvid_has = TRUE, .vlan_default_pvid_val = 1})); nm_platform_link_set_bridge_vlans(plat, ifindex, FALSE, NULL, 0); return TRUE; } hwaddr = nm_platform_link_get_address(plat, ifindex, &length); g_return_val_if_fail(length == ETH_ALEN, FALSE); if (nm_utils_hwaddr_matches(hwaddr, length, &nm_ether_addr_zero, ETH_ALEN)) { /* We need a non-zero MAC address to set the default pvid. * Retry later. */ return TRUE; } self->vlan_configured = TRUE; if (!is_reapply || is_bridge_pvid_changed(device, s_bridge)) { /* Filtering must be disabled to change the default PVID. * Clear the default PVID so that we later can force the re-creation of * default PVID VLANs by writing the option again. */ if (is_reapply) { _LOGD(LOGD_BRIDGE, "default_pvid is changed, resetting bridge VLAN filtering"); } nm_platform_link_set_bridge_info( plat, ifindex, &((NMPlatformLinkSetBridgeInfoData) {.vlan_filtering_has = TRUE, .vlan_filtering_val = FALSE, .vlan_default_pvid_has = TRUE, .vlan_default_pvid_val = 0})); /* Clear all existing VLANs */ if (!nm_platform_link_set_bridge_vlans(plat, ifindex, FALSE, NULL, 0)) return FALSE; /* Now set the default PVID. After this point the kernel creates * a PVID VLAN on each port, including the bridge itself. */ pvid = nm_setting_bridge_get_vlan_default_pvid(s_bridge); if (pvid) { nm_platform_link_set_bridge_info( plat, ifindex, &((NMPlatformLinkSetBridgeInfoData) {.vlan_default_pvid_has = TRUE, .vlan_default_pvid_val = pvid})); } } /* Create VLANs only after setting the default PVID, so that * any PVID VLAN overrides the bridge's default PVID. */ g_object_get(s_bridge, NM_SETTING_BRIDGE_VLANS, &vlans, NULL); plat_vlans = setting_vlans_to_platform(vlans, &num_vlans); if (plat_vlans && !nm_platform_link_set_bridge_vlans(plat, ifindex, FALSE, plat_vlans, num_vlans)) return FALSE; nm_platform_link_set_bridge_info(plat, ifindex, &((NMPlatformLinkSetBridgeInfoData) { .vlan_filtering_has = TRUE, .vlan_filtering_val = TRUE, })); return TRUE; } static NMPlatformBridgeVlan * merge_bridge_vlan_default_pvid(NMPlatformBridgeVlan *vlans, guint *num_vlans, guint default_pvid) { NMPlatformBridgeVlan *vlan; gboolean has_pvid = FALSE; guint i; for (i = 0; i < *num_vlans; i++) { if (vlans[i].pvid) { has_pvid = TRUE; break; } } /* search if the list of VLANs already contains the default PVID */ vlan = NULL; for (i = 0; i < *num_vlans; i++) { if (default_pvid >= vlans[i].vid_start && default_pvid <= vlans[i].vid_end) { vlan = &vlans[i]; break; } } if (!vlan) { /* VLAN id not found, append the default PVID at the end. * Set the PVID flag only if the port didn't have one. */ vlans = g_realloc_n(vlans, *num_vlans + 1, sizeof(NMPlatformBridgeVlan)); (*num_vlans)++; vlans[*num_vlans - 1] = (NMPlatformBridgeVlan) { .vid_start = default_pvid, .vid_end = default_pvid, .untagged = TRUE, .pvid = !has_pvid, }; } return vlans; } void nm_device_reapply_bridge_port_vlans(NMDevice *device) { NMDevice *self = device; /* for logging */ NMSettingBridgePort *s_bridge_port; NMDevice *controller; NMSettingBridge *s_bridge; gs_unref_ptrarray GPtrArray *tmp_vlans = NULL; gs_free NMPlatformBridgeVlan *setting_vlans = NULL; gs_free NMPlatformBridgeVlan *plat_vlans = NULL; guint num_setting_vlans = 0; guint num_plat_vlans = 0; NMPlatform *plat; int ifindex; gboolean do_reapply; s_bridge_port = nm_device_get_applied_setting(device, NM_TYPE_SETTING_BRIDGE_PORT); if (!s_bridge_port) return; controller = nm_device_get_controller(device); if (!controller) return; s_bridge = nm_device_get_applied_setting(controller, NM_TYPE_SETTING_BRIDGE); if (!s_bridge) return; if (nm_setting_bridge_get_vlan_filtering(s_bridge)) { g_object_get(s_bridge_port, NM_SETTING_BRIDGE_PORT_VLANS, &tmp_vlans, NULL); setting_vlans = setting_vlans_to_platform(tmp_vlans, &num_setting_vlans); /* During a regular activation, we first set the default_pvid on the bridge * (which creates the PVID VLAN on the port) and then add the VLANs on the port. * This ensures that the PVID VLAN is inherited from the bridge, but it's * overridden if the port specifies one. * During a reapply on the port, we are not going to touch the bridge and * so we need to merge manually the PVID from the bridge with the port VLANs. */ setting_vlans = merge_bridge_vlan_default_pvid(setting_vlans, &num_setting_vlans, nm_setting_bridge_get_vlan_default_pvid(s_bridge)); } plat = nm_device_get_platform(device); ifindex = nm_device_get_ifindex(device); if (!nm_platform_link_get_bridge_vlans(plat, ifindex, &plat_vlans, &num_plat_vlans)) { _LOGD(LOGD_DEVICE, "reapply-bridge-port-vlans: can't get current VLANs from platform"); do_reapply = TRUE; } else { nmp_utils_bridge_vlan_normalize(setting_vlans, &num_setting_vlans); nmp_utils_bridge_vlan_normalize(plat_vlans, &num_plat_vlans); if (!nmp_utils_bridge_normalized_vlans_equal(setting_vlans, num_setting_vlans, plat_vlans, num_plat_vlans)) { _LOGD(LOGD_DEVICE, "reapply-bridge-port-vlans: VLANs in platform need reapply"); do_reapply = TRUE; } else { _LOGD(LOGD_DEVICE, "reapply-bridge-port-vlans: VLANs in platform didn't change"); do_reapply = FALSE; } } if (do_reapply) { nm_platform_link_set_bridge_vlans(plat, ifindex, TRUE, NULL, 0); if (num_setting_vlans > 0) nm_platform_link_set_bridge_vlans(plat, ifindex, TRUE, setting_vlans, num_setting_vlans); } } static void _platform_lnk_bridge_init_from_setting(NMSettingBridge *s_bridge, NMPlatformLnkBridge *props) { *props = (NMPlatformLnkBridge) { .forward_delay = _DEFAULT_IF_ZERO(nm_setting_bridge_get_forward_delay(s_bridge) * 100u, NM_BRIDGE_FORWARD_DELAY_DEF_SYS), .hello_time = _DEFAULT_IF_ZERO(nm_setting_bridge_get_hello_time(s_bridge) * 100u, NM_BRIDGE_HELLO_TIME_DEF_SYS), .max_age = _DEFAULT_IF_ZERO(nm_setting_bridge_get_max_age(s_bridge) * 100u, NM_BRIDGE_MAX_AGE_DEF_SYS), .ageing_time = nm_setting_bridge_get_ageing_time(s_bridge) * 100u, .stp_state = nm_setting_bridge_get_stp(s_bridge), .priority = nm_setting_bridge_get_priority(s_bridge), .vlan_protocol = to_sysfs_vlan_protocol_sys(nm_setting_bridge_get_vlan_protocol(s_bridge)), .vlan_stats_enabled = nm_setting_bridge_get_vlan_stats_enabled(s_bridge), .group_fwd_mask = nm_setting_bridge_get_group_forward_mask(s_bridge), .mcast_snooping = nm_setting_bridge_get_multicast_snooping(s_bridge), .mcast_router = to_sysfs_multicast_router_sys(nm_setting_bridge_get_multicast_router(s_bridge)), .mcast_query_use_ifaddr = nm_setting_bridge_get_multicast_query_use_ifaddr(s_bridge), .mcast_querier = nm_setting_bridge_get_multicast_querier(s_bridge), .mcast_hash_max = nm_setting_bridge_get_multicast_hash_max(s_bridge), .mcast_last_member_count = nm_setting_bridge_get_multicast_last_member_count(s_bridge), .mcast_startup_query_count = nm_setting_bridge_get_multicast_startup_query_count(s_bridge), .mcast_last_member_interval = nm_setting_bridge_get_multicast_last_member_interval(s_bridge), .mcast_membership_interval = nm_setting_bridge_get_multicast_membership_interval(s_bridge), .mcast_querier_interval = nm_setting_bridge_get_multicast_querier_interval(s_bridge), .mcast_query_interval = nm_setting_bridge_get_multicast_query_interval(s_bridge), .mcast_query_response_interval = nm_setting_bridge_get_multicast_query_response_interval(s_bridge), .mcast_startup_query_interval = nm_setting_bridge_get_multicast_startup_query_interval(s_bridge), }; to_sysfs_group_address_sys(nm_setting_bridge_get_group_address(s_bridge), &props->group_addr); } static gboolean link_config(NMDevice *device, NMConnection *connection, gboolean is_reapply) { int ifindex = nm_device_get_ifindex(device); NMSettingBridge *s_bridge; NMPlatformLnkBridge props; s_bridge = nm_connection_get_setting_bridge(connection); g_return_val_if_fail(s_bridge, FALSE); _platform_lnk_bridge_init_from_setting(s_bridge, &props); if (nm_platform_link_bridge_change(nm_device_get_platform(device), ifindex, &props) < 0) return FALSE; return bridge_set_vlan_options(device, s_bridge, is_reapply); } static NMActStageReturn act_stage1_prepare(NMDevice *device, NMDeviceStateReason *out_failure_reason) { NMConnection *connection; connection = nm_device_get_applied_connection(device); g_return_val_if_fail(connection, NM_ACT_STAGE_RETURN_FAILURE); if (!link_config(device, connection, FALSE)) { 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 void _bt_register_bridge_cb(GError *error, gpointer user_data) { NMDeviceBridge *self; if (nm_utils_error_is_cancelled(error)) return; self = user_data; g_clear_object(&self->bt_cancellable); if (error) { _LOGD(LOGD_DEVICE, "bluetooth NAP server failed to register bridge: %s", error->message); nm_device_state_changed(NM_DEVICE(self), NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_BT_FAILED); return; } self->bt_cb_state = _NM_BT_CB_STATE_SUCCESS; nm_device_activate_schedule_stage2_device_config(NM_DEVICE(self), FALSE); } void _nm_device_bridge_notify_unregister_bt_nap(NMDevice *device, const char *reason) { NMDeviceBridge *self = NM_DEVICE_BRIDGE(device); _LOGD(LOGD_DEVICE, "bluetooth NAP server unregistered from bridge: %s%s", reason, self->bt_cb_state != _NM_BT_CB_STATE_NONE ? "" : " (was no longer registered)"); nm_clear_g_cancellable(&self->bt_cancellable); if (self->bt_cb_state != _NM_BT_CB_STATE_NONE) { self->bt_cb_state = _NM_BT_CB_STATE_NONE; nm_device_state_changed(device, NM_DEVICE_STATE_FAILED, NM_DEVICE_STATE_REASON_BT_FAILED); } } static NMActStageReturn act_stage2_config(NMDevice *device, NMDeviceStateReason *out_failure_reason) { NMDeviceBridge *self = NM_DEVICE_BRIDGE(device); NMConnection *connection; NMSettingBluetooth *s_bt; gs_free_error GError *error = NULL; connection = nm_device_get_applied_connection(device); s_bt = _nm_connection_get_setting_bluetooth_for_nap(connection); if (!s_bt) return NM_ACT_STAGE_RETURN_SUCCESS; if (!nm_bt_vtable_network_server) { _LOGD(LOGD_DEVICE, "bluetooth NAP server failed because bluetooth plugin not available"); *out_failure_reason = NM_DEVICE_STATE_REASON_BT_FAILED; return NM_ACT_STAGE_RETURN_FAILURE; } if (self->bt_cancellable) return NM_ACT_STAGE_RETURN_POSTPONE; if (self->bt_cb_state == _NM_BT_CB_STATE_WAIT) return NM_ACT_STAGE_RETURN_POSTPONE; if (self->bt_cb_state == _NM_BT_CB_STATE_SUCCESS) return NM_ACT_STAGE_RETURN_SUCCESS; self->bt_cancellable = g_cancellable_new(); if (!nm_bt_vtable_network_server->register_bridge(nm_bt_vtable_network_server, nm_setting_bluetooth_get_bdaddr(s_bt), device, self->bt_cancellable, _bt_register_bridge_cb, device, &error)) { _LOGD(LOGD_DEVICE, "bluetooth NAP server failed to register bridge: %s", error->message); *out_failure_reason = NM_DEVICE_STATE_REASON_BT_FAILED; return NM_ACT_STAGE_RETURN_FAILURE; } self->bt_cb_state = _NM_BT_CB_STATE_WAIT; return NM_ACT_STAGE_RETURN_POSTPONE; } static void deactivate(NMDevice *device) { NMDeviceBridge *self = NM_DEVICE_BRIDGE(device); _LOGD(LOGD_DEVICE, "deactivate bridge%s", self->bt_cb_state != _NM_BT_CB_STATE_NONE ? " (registered as NAP bluetooth device)" : ""); self->vlan_configured = FALSE; nm_clear_g_cancellable(&self->bt_cancellable); if (self->bt_cb_state != _NM_BT_CB_STATE_NONE) { self->bt_cb_state = _NM_BT_CB_STATE_NONE; nm_bt_vtable_network_server->unregister_bridge(nm_bt_vtable_network_server, device); } } static NMTernary attach_port(NMDevice *device, NMDevice *port, NMConnection *connection, gboolean configure, GCancellable *cancellable, NMDeviceAttachPortCallback callback, gpointer user_data) { NMDeviceBridge *self = NM_DEVICE_BRIDGE(device); NMConnection *controller_connection; NMSettingBridge *s_bridge; NMSettingBridgePort *s_port; if (configure) { if (!nm_platform_link_attach_port(nm_device_get_platform(device), nm_device_get_ip_ifindex(device), nm_device_get_ip_ifindex(port))) return FALSE; controller_connection = nm_device_get_applied_connection(device); nm_assert(controller_connection); s_bridge = nm_connection_get_setting_bridge(controller_connection); nm_assert(s_bridge); s_port = nm_connection_get_setting_bridge_port(connection); if (!nm_device_managed_type_is_external(device)) bridge_set_vlan_options(device, s_bridge, FALSE); if (nm_setting_bridge_get_vlan_filtering(s_bridge)) { gs_free NMPlatformBridgeVlan *plat_vlans = NULL; gs_unref_ptrarray GPtrArray *vlans = NULL; guint num_vlans; if (s_port) g_object_get(s_port, NM_SETTING_BRIDGE_PORT_VLANS, &vlans, NULL); plat_vlans = setting_vlans_to_platform(vlans, &num_vlans); /* Since the link was just enportd, there are no existing VLANs * (except for the default one) and so there's no need to flush. */ if (plat_vlans && !nm_platform_link_set_bridge_vlans(nm_device_get_platform(port), nm_device_get_ifindex(port), TRUE, plat_vlans, num_vlans)) return FALSE; } commit_port_options(port, s_port); _LOGI(LOGD_BRIDGE, "attached bridge port %s", nm_device_get_ip_iface(port)); } else { _LOGI(LOGD_BRIDGE, "bridge port %s was attached", nm_device_get_ip_iface(port)); } return TRUE; } static NMTernary detach_port(NMDevice *device, NMDevice *port, gboolean configure, GCancellable *cancellable, NMDeviceAttachPortCallback callback, gpointer user_data) { NMDeviceBridge *self = NM_DEVICE_BRIDGE(device); gboolean success; int ifindex_port; int ifindex; if (configure) { ifindex = nm_device_get_ifindex(device); if (ifindex <= 0 || !nm_platform_link_get(nm_device_get_platform(device), ifindex)) configure = FALSE; } ifindex_port = nm_device_get_ip_ifindex(port); if (ifindex_port <= 0) { _LOGD(LOGD_TEAM, "bridge port %s is already detached", nm_device_get_ip_iface(port)); return TRUE; } if (configure) { success = nm_platform_link_release_port(nm_device_get_platform(device), nm_device_get_ip_ifindex(device), ifindex_port); if (success) { _LOGI(LOGD_BRIDGE, "detached bridge port %s", nm_device_get_ip_iface(port)); } else { _LOGW(LOGD_BRIDGE, "failed to detach bridge port %s", nm_device_get_ip_iface(port)); } } else { _LOGI(LOGD_BRIDGE, "bridge port %s was detached", nm_device_get_ip_iface(port)); } return TRUE; } static gboolean create_and_realize(NMDevice *device, NMConnection *connection, NMDevice *parent, const NMPlatformLink **out_plink, GError **error) { NMSettingWired *s_wired; NMSettingBridge *s_bridge; const char *iface = nm_device_get_iface(device); const char *hwaddr; gs_free char *hwaddr_cloned = NULL; guint8 mac_address[_NM_UTILS_HWADDR_LEN_MAX]; NMPlatformLnkBridge props; int r; guint32 mtu = 0; nm_assert(iface); s_bridge = nm_connection_get_setting_bridge(connection); nm_assert(s_bridge); hwaddr = nm_setting_bridge_get_mac_address(s_bridge); if (!hwaddr && nm_device_hw_addr_get_cloned(device, connection, FALSE, &hwaddr_cloned, NULL, NULL)) { /* FIXME: we set the MAC address when creating the interface, while the * NMDevice is still unrealized. As we afterwards realize the device, it * forgets the parameters for the cloned MAC address, and in stage 1 * it might create a different MAC address. That should be fixed by * better handling device realization. */ hwaddr = hwaddr_cloned; } if (hwaddr) { if (!nm_utils_hwaddr_aton(hwaddr, mac_address, ETH_ALEN)) { g_set_error(error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_FAILED, "Invalid hardware address '%s'", hwaddr); g_return_val_if_reached(FALSE); } } _platform_lnk_bridge_init_from_setting(s_bridge, &props); s_wired = nm_connection_get_setting_wired(connection); nm_assert(s_wired); mtu = nm_setting_wired_get_mtu(s_wired); /* If mtu != 0, we set the MTU of the new bridge at creation time. However, kernel will still * automatically adjust the MTU of the bridge based on the minimum of the port's MTU. * We don't want this automatism as the user asked for a fixed MTU. * * To workaround this behavior of kernel, we will later toggle the MTU twice. See * NMDeviceClass.mtu_force_set. */ r = nm_platform_link_bridge_add(nm_device_get_platform(device), iface, hwaddr ? mac_address : NULL, hwaddr ? ETH_ALEN : 0, mtu, &props, out_plink); if (r < 0) { g_set_error(error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_CREATION_FAILED, "Failed to create bridge interface '%s' for '%s': %s", iface, nm_connection_get_id(connection), nm_strerror(r)); return FALSE; } return TRUE; } /*****************************************************************************/ static gboolean can_reapply_change(NMDevice *device, const char *setting_name, NMSetting *s_old, NMSetting *s_new, GHashTable *diffs, GError **error) { /* Delegate changes to other settings to parent class */ if (!nm_streq(setting_name, NM_SETTING_BRIDGE_SETTING_NAME)) { return NM_DEVICE_CLASS(nm_device_bridge_parent_class) ->can_reapply_change(device, setting_name, s_old, s_new, diffs, error); } return nm_device_hash_check_invalid_keys(diffs, NM_SETTING_BRIDGE_SETTING_NAME, error, NM_SETTING_BRIDGE_STP, NM_SETTING_BRIDGE_PRIORITY, NM_SETTING_BRIDGE_FORWARD_DELAY, NM_SETTING_BRIDGE_HELLO_TIME, NM_SETTING_BRIDGE_MAX_AGE, NM_SETTING_BRIDGE_AGEING_TIME, NM_SETTING_BRIDGE_GROUP_FORWARD_MASK, NM_SETTING_BRIDGE_MULTICAST_HASH_MAX, NM_SETTING_BRIDGE_MULTICAST_LAST_MEMBER_COUNT, NM_SETTING_BRIDGE_MULTICAST_LAST_MEMBER_INTERVAL, NM_SETTING_BRIDGE_MULTICAST_MEMBERSHIP_INTERVAL, NM_SETTING_BRIDGE_MULTICAST_SNOOPING, NM_SETTING_BRIDGE_MULTICAST_ROUTER, NM_SETTING_BRIDGE_MULTICAST_QUERIER, NM_SETTING_BRIDGE_MULTICAST_QUERIER_INTERVAL, NM_SETTING_BRIDGE_MULTICAST_QUERY_INTERVAL, NM_SETTING_BRIDGE_MULTICAST_QUERY_RESPONSE_INTERVAL, NM_SETTING_BRIDGE_MULTICAST_QUERY_USE_IFADDR, NM_SETTING_BRIDGE_MULTICAST_STARTUP_QUERY_COUNT, NM_SETTING_BRIDGE_MULTICAST_STARTUP_QUERY_INTERVAL, NM_SETTING_BRIDGE_GROUP_ADDRESS, NM_SETTING_BRIDGE_VLAN_PROTOCOL, NM_SETTING_BRIDGE_VLAN_STATS_ENABLED, NM_SETTING_BRIDGE_VLAN_FILTERING, NM_SETTING_BRIDGE_VLAN_DEFAULT_PVID, NM_SETTING_BRIDGE_VLANS); } static void reapply_connection(NMDevice *device, NMConnection *con_old, NMConnection *con_new) { NMDeviceBridge *self = NM_DEVICE_BRIDGE(device); NMSettingBridge *s_bridge; NM_DEVICE_CLASS(nm_device_bridge_parent_class)->reapply_connection(device, con_old, con_new); _LOGD(LOGD_BRIDGE, "reapplying bridge settings"); s_bridge = nm_connection_get_setting_bridge(con_new); g_return_if_fail(s_bridge); /* Make sure bridge_set_vlan_options() called by link_config() * sets vlan_filtering and default_pvid anew. */ self->vlan_configured = FALSE; link_config(device, con_new, TRUE); } /*****************************************************************************/ static void nm_device_bridge_init(NMDeviceBridge *self) { nm_assert(nm_device_is_controller(NM_DEVICE(self))); } static const NMDBusInterfaceInfoExtended interface_info_device_bridge = { .parent = NM_DEFINE_GDBUS_INTERFACE_INFO_INIT( NM_DBUS_INTERFACE_DEVICE_BRIDGE, .properties = NM_DEFINE_GDBUS_PROPERTY_INFOS( NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE( "HwAddress", "s", NM_DEVICE_HW_ADDRESS, .annotations = NM_GDBUS_ANNOTATION_INFO_LIST_DEPRECATED(), ), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE( "Carrier", "b", NM_DEVICE_CARRIER, .annotations = NM_GDBUS_ANNOTATION_INFO_LIST_DEPRECATED(), ), NM_DEFINE_DBUS_PROPERTY_INFO_EXTENDED_READABLE( "Slaves", "ao", NM_DEVICE_SLAVES, .annotations = NM_GDBUS_ANNOTATION_INFO_LIST_DEPRECATED(), ), ), ), }; static void nm_device_bridge_class_init(NMDeviceBridgeClass *klass) { NMDBusObjectClass *dbus_object_class = NM_DBUS_OBJECT_CLASS(klass); NMDeviceClass *device_class = NM_DEVICE_CLASS(klass); dbus_object_class->interface_infos = NM_DBUS_INTERFACE_INFOS(&interface_info_device_bridge); device_class->connection_type_supported = NM_SETTING_BRIDGE_SETTING_NAME; device_class->link_types = NM_DEVICE_DEFINE_LINK_TYPES(NM_LINK_TYPE_BRIDGE); device_class->is_controller = TRUE; device_class->mtu_force_set = TRUE; device_class->get_generic_capabilities = get_generic_capabilities; device_class->check_connection_compatible = check_connection_compatible; device_class->check_connection_available = check_connection_available; device_class->complete_connection = complete_connection; device_class->update_connection = update_connection; device_class->controller_update_port_connection = controller_update_port_connection; device_class->create_and_realize = create_and_realize; device_class->act_stage1_prepare_set_hwaddr_ethernet = TRUE; device_class->act_stage1_prepare = act_stage1_prepare; device_class->act_stage2_config = act_stage2_config; device_class->deactivate = deactivate; device_class->attach_port = attach_port; device_class->detach_port = detach_port; device_class->get_configured_mtu = nm_device_get_configured_mtu_for_wired; device_class->can_reapply_change = can_reapply_change; device_class->reapply_connection = reapply_connection; } /*****************************************************************************/ #define NM_TYPE_BRIDGE_DEVICE_FACTORY (nm_bridge_device_factory_get_type()) #define NM_BRIDGE_DEVICE_FACTORY(obj) \ (_NM_G_TYPE_CHECK_INSTANCE_CAST((obj), NM_TYPE_BRIDGE_DEVICE_FACTORY, NMBridgeDeviceFactory)) static NMDevice * create_device(NMDeviceFactory *factory, const char *iface, const NMPlatformLink *plink, NMConnection *connection, gboolean *out_ignore) { return g_object_new(NM_TYPE_DEVICE_BRIDGE, NM_DEVICE_IFACE, iface, NM_DEVICE_DRIVER, "bridge", NM_DEVICE_TYPE_DESC, "Bridge", NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_BRIDGE, NM_DEVICE_LINK_TYPE, NM_LINK_TYPE_BRIDGE, NULL); } static gboolean match_connection(NMDeviceFactory *factory, NMConnection *connection) { const char *type = nm_connection_get_connection_type(connection); if (nm_streq(type, NM_SETTING_BRIDGE_SETTING_NAME)) return TRUE; nm_assert(nm_streq(type, NM_SETTING_BLUETOOTH_SETTING_NAME)); if (!_nm_connection_get_setting_bluetooth_for_nap(connection)) return FALSE; if (!g_type_from_name("NMBluezManager")) { /* bluetooth NAP connections are handled by bridge factory. However, * it needs help from the bluetooth plugin, so if the plugin is not loaded, * we claim not to support it. */ return FALSE; } return TRUE; } NM_DEVICE_FACTORY_DEFINE_INTERNAL( BRIDGE, Bridge, bridge, NM_DEVICE_FACTORY_DECLARE_LINK_TYPES(NM_LINK_TYPE_BRIDGE) NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES(NM_SETTING_BRIDGE_SETTING_NAME, NM_SETTING_BLUETOOTH_SETTING_NAME), factory_class->create_device = create_device; factory_class->match_connection = match_connection;);