diff --git a/src/devices/nm-device.c b/src/devices/nm-device.c index 3a63af584..c3483e4db 100644 --- a/src/devices/nm-device.c +++ b/src/devices/nm-device.c @@ -9739,6 +9739,17 @@ _set_mtu (NMDevice *self, guint32 mtu) } } +static gboolean +set_platform_mtu (NMDevice *self, guint32 mtu) +{ + int r; + + r = nm_platform_link_set_mtu (nm_device_get_platform (self), + nm_device_get_ip_ifindex (self), + mtu); + return (r != -NME_PL_CANT_SET_MTU); +} + static void _commit_mtu (NMDevice *self, const NMIP4Config *config) { @@ -9898,10 +9909,7 @@ _commit_mtu (NMDevice *self, const NMIP4Config *config) } if (mtu_desired && mtu_desired != mtu_plat) { - int r; - - r = nm_platform_link_set_mtu (nm_device_get_platform (self), ifindex, mtu_desired); - if (r == -NME_PL_CANT_SET_MTU) { + if (!NM_DEVICE_GET_CLASS (self)->set_platform_mtu (self, mtu_desired)) { anticipated_failure = TRUE; success = FALSE; _LOGW (LOGD_DEVICE, "mtu: failure to set MTU. %s", @@ -17691,6 +17699,7 @@ nm_device_class_init (NMDeviceClass *klass) klass->parent_changed_notify = parent_changed_notify; klass->can_reapply_change = can_reapply_change; klass->reapply_connection = reapply_connection; + klass->set_platform_mtu = set_platform_mtu; obj_properties[PROP_UDI] = g_param_spec_string (NM_DEVICE_UDI, "", "", diff --git a/src/devices/nm-device.h b/src/devices/nm-device.h index 28f86e825..c18301b27 100644 --- a/src/devices/nm-device.h +++ b/src/devices/nm-device.h @@ -444,6 +444,8 @@ typedef struct _NMDeviceClass { gboolean (* can_update_from_platform_link) (NMDevice *self, const NMPlatformLink *plink); + gboolean (* set_platform_mtu) (NMDevice *self, guint32 mtu); + /* Controls, whether to call act_stage2_config() callback also for assuming * a device or for external activations. In this case, act_stage2_config() must * take care not to touch the device's configuration. */ diff --git a/src/devices/ovs/nm-device-ovs-interface.c b/src/devices/ovs/nm-device-ovs-interface.c index 2868dee09..951b57889 100644 --- a/src/devices/ovs/nm-device-ovs-interface.c +++ b/src/devices/ovs/nm-device-ovs-interface.c @@ -121,6 +121,43 @@ _is_internal_interface (NMDevice *device) return nm_streq (nm_setting_ovs_interface_get_interface_type (s_ovs_iface), "internal"); } +static void +set_platform_mtu_cb (GError *error, gpointer user_data) +{ + NMDevice *device = user_data; + NMDeviceOvsInterface *self = NM_DEVICE_OVS_INTERFACE (device); + + if ( error + && !g_error_matches (error, NM_UTILS_ERROR, NM_UTILS_ERROR_CANCELLED_DISPOSING)) { + _LOGW (LOGD_DEVICE, "could not change mtu of '%s': %s", + nm_device_get_iface (device), error->message); + } + + g_object_unref (device); +} + +static gboolean +set_platform_mtu (NMDevice *device, guint32 mtu) +{ + /* + * If the MTU is not set in ovsdb, Open vSwitch will change + * the MTU of an internal interface to match the minimum of + * the other interfaces in the bridge. + */ + /* FIXME(shutdown): the function should become cancellable so + * that it doesn't need to hold a reference to the device, and + * it can be stopped during shutdown. + */ + if (_is_internal_interface (device)) { + nm_ovsdb_set_interface_mtu (nm_ovsdb_get (), + nm_device_get_ip_iface (device), + mtu, set_platform_mtu_cb, + g_object_ref (device)); + } + + return NM_DEVICE_CLASS (nm_device_ovs_interface_parent_class)->set_platform_mtu (device, mtu); +} + static NMActStageReturn act_stage3_ip_config_start (NMDevice *device, int addr_family, @@ -351,4 +388,6 @@ nm_device_ovs_interface_class_init (NMDeviceOvsInterfaceClass *klass) device_class->link_changed = link_changed; device_class->act_stage3_ip_config_start = act_stage3_ip_config_start; device_class->can_unmanaged_external_down = can_unmanaged_external_down; + device_class->set_platform_mtu = set_platform_mtu; + device_class->get_configured_mtu = nm_device_get_configured_mtu_for_wired; } diff --git a/src/devices/ovs/nm-ovsdb.c b/src/devices/ovs/nm-ovsdb.c index 4265de647..d78c489df 100644 --- a/src/devices/ovs/nm-ovsdb.c +++ b/src/devices/ovs/nm-ovsdb.c @@ -103,6 +103,7 @@ typedef enum { OVSDB_MONITOR, OVSDB_ADD_INTERFACE, OVSDB_DEL_INTERFACE, + OVSDB_SET_INTERFACE_MTU, } OvsdbCommand; typedef struct { @@ -112,7 +113,10 @@ typedef struct { OvsdbMethodCallback callback; gpointer user_data; union { - char *ifname; + struct { + char *ifname; + guint32 mtu; + }; struct { NMConnection *bridge; NMConnection *port; @@ -154,6 +158,13 @@ _call_trace (const char *comment, OvsdbMethodCall *call, json_t *msg) msg ? ": " : "", msg ? str : ""); break; + case OVSDB_SET_INTERFACE_MTU: + _LOGT ("%s: set-iface-mtu interface=%s%s%s mtu=%u", + comment, call->ifname, + msg ? ": " : "", + msg ? str : "", + call->mtu); + break; } if (msg) @@ -172,7 +183,7 @@ ovsdb_call_method (NMOvsdb *self, OvsdbCommand command, const char *ifname, NMConnection *bridge, NMConnection *port, NMConnection *interface, NMDevice *bridge_device, NMDevice *interface_device, - OvsdbMethodCallback callback, gpointer user_data) + guint32 mtu, OvsdbMethodCallback callback, gpointer user_data) { NMOvsdbPrivate *priv = NM_OVSDB_GET_PRIVATE (self); OvsdbMethodCall *call; @@ -200,6 +211,10 @@ ovsdb_call_method (NMOvsdb *self, OvsdbCommand command, case OVSDB_DEL_INTERFACE: call->ifname = g_strdup (ifname); break; + case OVSDB_SET_INTERFACE_MTU: + call->ifname = g_strdup (ifname); + call->mtu = mtu; + break; } _call_trace ("enqueue", call, NULL); @@ -338,11 +353,20 @@ _insert_interface (json_t *params, NMConnection *interface, NMDevice *interface_ gs_free char *cloned_mac = NULL; gs_free_error GError *error = NULL; json_t *row; + guint32 mtu = 0; s_ovs_iface = nm_connection_get_setting_ovs_interface (interface); if (s_ovs_iface) type = nm_setting_ovs_interface_get_interface_type (s_ovs_iface); + if (nm_streq0 (type, "internal")) { + NMSettingWired *s_wired; + + s_wired = _nm_connection_get_setting (interface, NM_TYPE_SETTING_WIRED); + if (s_wired) + mtu = nm_setting_wired_get_mtu (s_wired); + } + if (!nm_device_hw_addr_get_cloned (interface_device, interface, FALSE, @@ -384,6 +408,9 @@ _insert_interface (json_t *params, NMConnection *interface, NMDevice *interface_ if (cloned_mac) json_object_set_new (row, "mac", json_string (cloned_mac)); + if (mtu != 0) + json_object_set_new (row, "mtu_request", json_integer (mtu)); + json_array_append_new (params, json_pack ("{s:s, s:s, s:o, s:s}", "op", "insert", @@ -816,6 +843,22 @@ ovsdb_next_command (NMOvsdb *self) _delete_interface (self, params, call->ifname); + msg = json_pack ("{s:i, s:s, s:o}", + "id", call->id, + "method", "transact", "params", params); + break; + case OVSDB_SET_INTERFACE_MTU: + params = json_array (); + json_array_append_new (params, json_string ("Open_vSwitch")); + json_array_append_new (params, _inc_next_cfg (priv->db_uuid)); + + json_array_append_new (params, + json_pack ("{s:s, s:s, s:{s: i}, s:[[s, s, s]]}", + "op", "update", + "table", "Interface", + "row", "mtu_request", call->mtu, + "where", "name", "==", call->ifname)); + msg = json_pack ("{s:i, s:s, s:o}", "id", call->id, "method", "transact", "params", params); @@ -1461,7 +1504,7 @@ ovsdb_try_connect (NMOvsdb *self) /* Queue a monitor call before any other command, ensuring that we have an up * to date view of existing bridged that we need for add and remove ops. */ ovsdb_call_method (self, OVSDB_MONITOR, NULL, - NULL, NULL, NULL, NULL, NULL, _monitor_bridges_cb, NULL); + NULL, NULL, NULL, NULL, NULL, 0, _monitor_bridges_cb, NULL); } /*****************************************************************************/ @@ -1499,36 +1542,49 @@ out: g_slice_free (OvsdbCall, call); } +static OvsdbCall * +ovsdb_call_new (NMOvsdbCallback callback, gpointer user_data) +{ + OvsdbCall *call; + + call = g_slice_new (OvsdbCall); + call->callback = callback; + call->user_data = user_data; + + return call; +} + void nm_ovsdb_add_interface (NMOvsdb *self, NMConnection *bridge, NMConnection *port, NMConnection *interface, NMDevice *bridge_device, NMDevice *interface_device, NMOvsdbCallback callback, gpointer user_data) { - OvsdbCall *call; - - call = g_slice_new (OvsdbCall); - call->callback = callback; - call->user_data = user_data; - ovsdb_call_method (self, OVSDB_ADD_INTERFACE, NULL, bridge, port, interface, bridge_device, interface_device, - _transact_cb, call); + 0, + _transact_cb, + ovsdb_call_new (callback, user_data)); } void nm_ovsdb_del_interface (NMOvsdb *self, const char *ifname, NMOvsdbCallback callback, gpointer user_data) { - OvsdbCall *call; - - call = g_slice_new (OvsdbCall); - call->callback = callback; - call->user_data = user_data; - ovsdb_call_method (self, OVSDB_DEL_INTERFACE, ifname, - NULL, NULL, NULL, NULL, NULL, _transact_cb, call); + NULL, NULL, NULL, NULL, NULL, 0, + _transact_cb, + ovsdb_call_new (callback, user_data)); +} + +void nm_ovsdb_set_interface_mtu (NMOvsdb *self, const char *ifname, guint32 mtu, + NMOvsdbCallback callback, gpointer user_data) +{ + ovsdb_call_method (self, OVSDB_SET_INTERFACE_MTU, ifname, + NULL, NULL, NULL, NULL, NULL, mtu, + _transact_cb, + ovsdb_call_new (callback, user_data)); } /*****************************************************************************/ @@ -1549,6 +1605,7 @@ _clear_call (gpointer data) g_clear_object (&call->interface_device); break; case OVSDB_DEL_INTERFACE: + case OVSDB_SET_INTERFACE_MTU: nm_clear_g_free (&call->ifname); break; } diff --git a/src/devices/ovs/nm-ovsdb.h b/src/devices/ovs/nm-ovsdb.h index 59f462062..72a2dc732 100644 --- a/src/devices/ovs/nm-ovsdb.h +++ b/src/devices/ovs/nm-ovsdb.h @@ -34,4 +34,7 @@ void nm_ovsdb_add_interface (NMOvsdb *self, void nm_ovsdb_del_interface (NMOvsdb *self, const char *ifname, NMOvsdbCallback callback, gpointer user_data); +void nm_ovsdb_set_interface_mtu (NMOvsdb *self, const char *ifname, guint32 mtu, + NMOvsdbCallback callback, gpointer user_data); + #endif /* __NETWORKMANAGER_OVSDB_H__ */