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merge: support for changing MTU of software devices (bgo #759549)

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=759549
This commit is contained in:
Beniamino Galvani 2015-12-19 12:21:06 +01:00
commit 9dffc0228b
8 changed files with 195 additions and 1 deletions
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2
clients/cli/connections.c
View file

@ -2820,6 +2820,7 @@ static const NameItem nmc_bridge_slave_settings [] = {
static const NameItem nmc_tun_settings [] = {
{ NM_SETTING_CONNECTION_SETTING_NAME, NULL, NULL, TRUE },
{ NM_SETTING_TUN_SETTING_NAME, NULL, NULL, TRUE },
{ NM_SETTING_WIRED_SETTING_NAME, "ethernet", NULL, FALSE },
{ NM_SETTING_IP4_CONFIG_SETTING_NAME, NULL, NULL, FALSE },
{ NM_SETTING_IP6_CONFIG_SETTING_NAME, NULL, NULL, FALSE },
{ NULL, NULL, NULL, FALSE }
@ -2845,6 +2846,7 @@ static const NameItem nmc_macvlan_settings [] = {
static const NameItem nmc_vxlan_settings [] = {
{ NM_SETTING_CONNECTION_SETTING_NAME, NULL, NULL, TRUE },
{ NM_SETTING_VXLAN_SETTING_NAME, NULL, NULL, TRUE },
{ NM_SETTING_WIRED_SETTING_NAME, "ethernet", NULL, FALSE },
{ NM_SETTING_IP4_CONFIG_SETTING_NAME, NULL, NULL, FALSE },
{ NM_SETTING_IP6_CONFIG_SETTING_NAME, NULL, NULL, FALSE },
{ NULL, NULL, NULL, FALSE }

13
clients/cli/settings.c
View file

@ -732,6 +732,7 @@ NmcOutputField nmc_fields_setting_ip_tunnel[] = {
SETTING_FIELD (NM_SETTING_IP_TUNNEL_OUTPUT_KEY), /* 9 */
SETTING_FIELD (NM_SETTING_IP_TUNNEL_ENCAPSULATION_LIMIT), /* 10 */
SETTING_FIELD (NM_SETTING_IP_TUNNEL_FLOW_LABEL), /* 11 */
SETTING_FIELD (NM_SETTING_IP_TUNNEL_MTU), /* 12 */
{NULL, NULL, 0, NULL, FALSE, FALSE, 0}
};
#define NMC_FIELDS_SETTING_IP_TUNNEL_ALL "name"","\
@ -745,7 +746,8 @@ NmcOutputField nmc_fields_setting_ip_tunnel[] = {
NM_SETTING_IP_TUNNEL_INPUT_KEY","\
NM_SETTING_IP_TUNNEL_OUTPUT_KEY","\
NM_SETTING_IP_TUNNEL_ENCAPSULATION_LIMIT","\
NM_SETTING_IP_TUNNEL_FLOW_LABEL
NM_SETTING_IP_TUNNEL_FLOW_LABEL","\
NM_SETTING_IP_TUNNEL_MTU
#define NMC_FIELDS_SETTING_IP_TUNNEL_COMMON NMC_FIELDS_SETTING_IP_TUNNEL_ALL
/* Available fields for NM_SETTING_MACVLAN_SETTING_NAME */
@ -1407,6 +1409,7 @@ DEFINE_GETTER (nmc_property_ip_tunnel_get_input_key, NM_SETTING_IP_TUNNEL_INPUT_
DEFINE_GETTER (nmc_property_ip_tunnel_get_output_key, NM_SETTING_IP_TUNNEL_OUTPUT_KEY);
DEFINE_GETTER (nmc_property_ip_tunnel_get_encapsulation_limit, NM_SETTING_IP_TUNNEL_ENCAPSULATION_LIMIT);
DEFINE_GETTER (nmc_property_ip_tunnel_get_flow_label, NM_SETTING_IP_TUNNEL_FLOW_LABEL);
DEFINE_GETTER (nmc_property_ip_tunnel_get_mtu, NM_SETTING_IP_TUNNEL_MTU);
static const char **
nmc_property_ip_tunnel_allowed_mode (NMSetting *setting, const char *prop)
@ -7385,6 +7388,13 @@ nmc_properties_init (void)
NULL,
NULL,
NULL);
nmc_add_prop_funcs (GLUE (IP_TUNNEL, MTU),
nmc_property_ip_tunnel_get_mtu,
nmc_property_set_uint,
NULL,
NULL,
NULL,
NULL);
/* Add editable properties for NM_SETTING_MACVLAN_SETTING_NAME */
nmc_add_prop_funcs (GLUE (MACVLAN, PARENT),
@ -8738,6 +8748,7 @@ setting_ip_tunnel_details (NMSetting *setting, NmCli *nmc, const char *one_prop
set_val_str (arr, 9, nmc_property_ip_tunnel_get_output_key (setting, NMC_PROPERTY_GET_PRETTY));
set_val_str (arr, 10, nmc_property_ip_tunnel_get_encapsulation_limit (setting, NMC_PROPERTY_GET_PRETTY));
set_val_str (arr, 11, nmc_property_ip_tunnel_get_flow_label (setting, NMC_PROPERTY_GET_PRETTY));
set_val_str (arr, 12, nmc_property_ip_tunnel_get_mtu (setting, NMC_PROPERTY_GET_PRETTY));
g_ptr_array_add (nmc->output_data, arr);
print_data (nmc); /* Print all data */

43
libnm-core/nm-setting-ip-tunnel.c
View file

@ -49,6 +49,7 @@ typedef struct {
char *output_key;
guint encapsulation_limit;
guint flow_label;
guint mtu;
} NMSettingIPTunnelPrivate;
enum {
@ -64,6 +65,7 @@ enum {
PROP_OUTPUT_KEY,
PROP_ENCAPSULATION_LIMIT,
PROP_FLOW_LABEL,
PROP_MTU,
LAST_PROP
};
@ -266,6 +268,24 @@ nm_setting_ip_tunnel_get_flow_label (NMSettingIPTunnel *setting)
return NM_SETTING_IP_TUNNEL_GET_PRIVATE (setting)->flow_label;
}
/**
* nm_setting_ip_tunnel_get_mtu:
* @setting: the #NMSettingIPTunnel
*
* Returns the #NMSettingIPTunnel:mtu property of the setting.
*
* Returns: the MTU
*
* Since: 1.2
**/
guint
nm_setting_ip_tunnel_get_mtu (NMSettingIPTunnel *setting)
{
g_return_val_if_fail (NM_IS_SETTING_IP_TUNNEL (setting), 0);
return NM_SETTING_IP_TUNNEL_GET_PRIVATE (setting)->mtu;
}
/*********************************************************************/
static gboolean
@ -460,6 +480,9 @@ set_property (GObject *object, guint prop_id,
case PROP_FLOW_LABEL:
priv->flow_label = g_value_get_uint (value);
break;
case PROP_MTU:
priv->mtu = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -507,6 +530,9 @@ get_property (GObject *object, guint prop_id,
case PROP_FLOW_LABEL:
g_value_set_uint (value, priv->flow_label);
break;
case PROP_MTU:
g_value_set_uint (value, priv->mtu);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -721,4 +747,21 @@ nm_setting_ip_tunnel_class_init (NMSettingIPTunnelClass *setting_class)
G_PARAM_CONSTRUCT |
NM_SETTING_PARAM_INFERRABLE |
G_PARAM_STATIC_STRINGS));
/**
* NMSettingIPTunel:mtu:
*
* If non-zero, only transmit packets of the specified size or smaller,
* breaking larger packets up into multiple fragments.
*
* Since: 1.2
**/
g_object_class_install_property
(object_class, PROP_MTU,
g_param_spec_uint (NM_SETTING_IP_TUNNEL_MTU, "", "",
0, G_MAXUINT, 0,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT |
NM_SETTING_PARAM_FUZZY_IGNORE |
G_PARAM_STATIC_STRINGS));
}

3
libnm-core/nm-setting-ip-tunnel.h
View file

@ -49,6 +49,7 @@ G_BEGIN_DECLS
#define NM_SETTING_IP_TUNNEL_OUTPUT_KEY "output-key"
#define NM_SETTING_IP_TUNNEL_ENCAPSULATION_LIMIT "encapsulation-limit"
#define NM_SETTING_IP_TUNNEL_FLOW_LABEL "flow-label"
#define NM_SETTING_IP_TUNNEL_MTU "mtu"
struct _NMSettingIPTunnel {
NMSetting parent;
@ -89,6 +90,8 @@ NM_AVAILABLE_IN_1_2
guint nm_setting_ip_tunnel_get_encapsulation_limit (NMSettingIPTunnel *setting);
NM_AVAILABLE_IN_1_2
guint nm_setting_ip_tunnel_get_flow_label (NMSettingIPTunnel *setting);
NM_AVAILABLE_IN_1_2
guint nm_setting_ip_tunnel_get_mtu (NMSettingIPTunnel *setting);
G_END_DECLS

1
libnm/libnm.ver
View file

@ -949,6 +949,7 @@ global:
nm_setting_ip_tunnel_get_input_key;
nm_setting_ip_tunnel_get_local;
nm_setting_ip_tunnel_get_mode;
nm_setting_ip_tunnel_get_mtu;
nm_setting_ip_tunnel_get_output_key;
nm_setting_ip_tunnel_get_parent;
nm_setting_ip_tunnel_get_path_mtu_discovery;

20
src/devices/nm-device-ip-tunnel.c
View file

@ -35,6 +35,7 @@
#include "nm-core-internal.h"
#include "nm-connection-provider.h"
#include "nm-activation-request.h"
#include "nm-ip4-config.h"
#include "nmdbus-device-ip-tunnel.h"
@ -777,6 +778,24 @@ setup_start (NMDevice *device, const NMPlatformLink *plink)
update_properties (device);
}
static void
ip4_config_pre_commit (NMDevice *device, NMIP4Config *config)
{
NMConnection *connection;
NMSettingIPTunnel *s_ip_tunnel;
guint32 mtu;
connection = nm_device_get_applied_connection (device);
g_assert (connection);
s_ip_tunnel = nm_connection_get_setting_ip_tunnel (connection);
g_assert (s_ip_tunnel);
/* MTU override */
mtu = nm_setting_ip_tunnel_get_mtu (s_ip_tunnel);
if (mtu)
nm_ip4_config_set_mtu (config, mtu, NM_IP_CONFIG_SOURCE_USER);
}
static void
unrealize (NMDevice *device, gboolean remove_resources)
{
@ -865,6 +884,7 @@ nm_device_ip_tunnel_class_init (NMDeviceIPTunnelClass *klass)
device_class->update_connection = update_connection;
device_class->check_connection_compatible = check_connection_compatible;
device_class->create_and_realize = create_and_realize;
device_class->ip4_config_pre_commit = ip4_config_pre_commit;
device_class->realize = realize;
device_class->setup_start = setup_start;
device_class->unrealize = unrealize;

60
src/devices/nm-device-tun.c
View file

@ -25,8 +25,10 @@
#include <sys/types.h>
#include "nm-default.h"
#include "nm-activation-request.h"
#include "nm-device-tun.h"
#include "nm-device-private.h"
#include "nm-ip4-config.h"
#include "nm-platform.h"
#include "nm-device-factory.h"
#include "nm-setting-tun.h"
@ -285,6 +287,62 @@ check_connection_compatible (NMDevice *device, NMConnection *connection)
return TRUE;
}
static NMActStageReturn
act_stage1_prepare (NMDevice *device, NMDeviceStateReason *reason)
{
NMDeviceTun *self = NM_DEVICE_TUN (device);
NMDeviceTunPrivate *priv = NM_DEVICE_TUN_GET_PRIVATE (self);
NMActRequest *req;
NMConnection *connection;
NMSettingWired *s_wired;
const char *cloned_mac;
NMActStageReturn ret;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
ret = NM_DEVICE_CLASS (nm_device_tun_parent_class)->act_stage1_prepare (device, reason);
if (ret != NM_ACT_STAGE_RETURN_SUCCESS)
return ret;
/* Nothing to do for TUN devices */
if (g_strcmp0 (priv->mode, "tap"))
return NM_ACT_STAGE_RETURN_SUCCESS;
req = nm_device_get_act_request (device);
g_return_val_if_fail (req != NULL, NM_ACT_STAGE_RETURN_FAILURE);
connection = nm_act_request_get_applied_connection (req);
g_return_val_if_fail (connection != NULL, NM_ACT_STAGE_RETURN_FAILURE);
s_wired = nm_connection_get_setting_wired (connection);
if (s_wired) {
/* Set device MAC address if the connection wants to change it */
cloned_mac = nm_setting_wired_get_cloned_mac_address (s_wired);
if (cloned_mac)
nm_device_set_hw_addr (device, cloned_mac, "set", LOGD_DEVICE);
}
return NM_ACT_STAGE_RETURN_SUCCESS;
}
static void
ip4_config_pre_commit (NMDevice *device, NMIP4Config *config)
{
NMConnection *connection;
NMSettingWired *s_wired;
guint32 mtu;
connection = nm_device_get_applied_connection (device);
g_assert (connection);
s_wired = nm_connection_get_setting_wired (connection);
if (s_wired) {
mtu = nm_setting_wired_get_mtu (s_wired);
if (mtu)
nm_ip4_config_set_mtu (config, mtu, NM_IP_CONFIG_SOURCE_USER);
}
}
static void
unrealize (NMDevice *device, gboolean remove_resources)
{
@ -392,6 +450,8 @@ nm_device_tun_class_init (NMDeviceTunClass *klass)
device_class->setup_start = setup_start;
device_class->unrealize = unrealize;
device_class->update_connection = update_connection;
device_class->act_stage1_prepare = act_stage1_prepare;
device_class->ip4_config_pre_commit = ip4_config_pre_commit;
/* properties */
g_object_class_install_property

54
src/devices/nm-device-vxlan.c
View file

@ -30,8 +30,10 @@
#include "nm-utils.h"
#include "nm-device-factory.h"
#include "nm-setting-vxlan.h"
#include "nm-setting-wired.h"
#include "nm-connection-provider.h"
#include "nm-activation-request.h"
#include "nm-ip4-config.h"
#include "nmdbus-device-vxlan.h"
@ -515,6 +517,56 @@ update_connection (NMDevice *device, NMConnection *connection)
}
}
static NMActStageReturn
act_stage1_prepare (NMDevice *device, NMDeviceStateReason *reason)
{
NMActRequest *req;
NMConnection *connection;
NMSettingWired *s_wired;
const char *cloned_mac;
NMActStageReturn ret;
g_return_val_if_fail (reason != NULL, NM_ACT_STAGE_RETURN_FAILURE);
ret = NM_DEVICE_CLASS (nm_device_vxlan_parent_class)->act_stage1_prepare (device, reason);
if (ret != NM_ACT_STAGE_RETURN_SUCCESS)
return ret;
req = nm_device_get_act_request (device);
g_return_val_if_fail (req != NULL, NM_ACT_STAGE_RETURN_FAILURE);
connection = nm_act_request_get_applied_connection (req);
g_return_val_if_fail (connection != NULL, NM_ACT_STAGE_RETURN_FAILURE);
s_wired = nm_connection_get_setting_wired (connection);
if (s_wired) {
/* Set device MAC address if the connection wants to change it */
cloned_mac = nm_setting_wired_get_cloned_mac_address (s_wired);
if (cloned_mac)
nm_device_set_hw_addr (device, cloned_mac, "set", LOGD_DEVICE);
}
return NM_ACT_STAGE_RETURN_SUCCESS;
}
static void
ip4_config_pre_commit (NMDevice *device, NMIP4Config *config)
{
NMConnection *connection;
NMSettingWired *s_wired;
guint32 mtu;
connection = nm_device_get_applied_connection (device);
g_assert (connection);
s_wired = nm_connection_get_setting_wired (connection);
if (s_wired) {
mtu = nm_setting_wired_get_mtu (s_wired);
if (mtu)
nm_ip4_config_set_mtu (config, mtu, NM_IP_CONFIG_SOURCE_USER);
}
}
/**************************************************************/
static void
@ -622,6 +674,8 @@ nm_device_vxlan_class_init (NMDeviceVxlanClass *klass)
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->ip4_config_pre_commit = ip4_config_pre_commit;
/* properties */
g_object_class_install_property