From 5d091839225e7043fa9d9d7018bfc6dab601f246 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Wed, 26 Oct 2016 10:05:46 +0200
Subject: [PATCH] libnm-core: add mtu property to gsm setting

---
 libnm-core/nm-setting-gsm.c | 41 +++++++++++++++++++++++++++++++++++++
 libnm-core/nm-setting-gsm.h |  3 +++
 libnm/libnm.ver             |  1 +
 3 files changed, 45 insertions(+)

diff --git a/libnm-core/nm-setting-gsm.c b/libnm-core/nm-setting-gsm.c
index 86166df2d3..be32b852ed 100644
--- a/libnm-core/nm-setting-gsm.c
+++ b/libnm-core/nm-setting-gsm.c
@@ -62,6 +62,7 @@ typedef struct {
 	NMSettingSecretFlags pin_flags;
 
 	gboolean home_only;
+	guint32 mtu;
 } NMSettingGsmPrivate;
 
 enum {
@@ -78,6 +79,7 @@ enum {
 	PROP_DEVICE_ID,
 	PROP_SIM_ID,
 	PROP_SIM_OPERATOR_ID,
+	PROP_MTU,
 
 	LAST_PROP
 };
@@ -269,6 +271,22 @@ nm_setting_gsm_get_sim_operator_id (NMSettingGsm *setting)
 	return NM_SETTING_GSM_GET_PRIVATE (setting)->sim_operator_id;
 }
 
+/**
+ * nm_setting_gsm_get_mtu:
+ * @setting: the #NMSettingGsm
+ *
+ * Returns: the #NMSettingGsm:mtu property of the setting
+ *
+ * Since: 1.8
+ **/
+guint32
+nm_setting_gsm_get_mtu (NMSettingGsm *setting)
+{
+	g_return_val_if_fail (NM_IS_SETTING_GSM (setting), 0);
+
+	return NM_SETTING_GSM_GET_PRIVATE (setting)->mtu;
+}
+
 static gboolean
 verify (NMSetting *setting, NMConnection *connection, GError **error)
 {
@@ -524,6 +542,9 @@ set_property (GObject *object, guint prop_id,
 		g_free (priv->sim_operator_id);
 		priv->sim_operator_id = g_value_dup_string (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;
@@ -573,6 +594,9 @@ get_property (GObject *object, guint prop_id,
 	case PROP_SIM_OPERATOR_ID:
 		g_value_set_string (value, nm_setting_gsm_get_sim_operator_id (setting));
 		break;
+	case PROP_MTU:
+		g_value_set_uint (value, nm_setting_gsm_get_mtu (setting));
+		break;
 	default:
 		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 		break;
@@ -780,6 +804,23 @@ nm_setting_gsm_class_init (NMSettingGsmClass *setting_class)
 		                      G_PARAM_READWRITE |
 		                      G_PARAM_STATIC_STRINGS));
 
+	/**
+	 * NMSettingGsm:mtu:
+	 *
+	 * If non-zero, only transmit packets of the specified size or smaller,
+	 * breaking larger packets up into multiple frames.
+	 *
+	 * Since: 1.8
+	 **/
+	g_object_class_install_property
+		(object_class, PROP_MTU,
+		 g_param_spec_uint (NM_SETTING_GSM_MTU, "", "",
+		                    0, G_MAXUINT32, 0,
+		                    G_PARAM_READWRITE |
+		                    G_PARAM_CONSTRUCT |
+		                    NM_SETTING_PARAM_FUZZY_IGNORE |
+		                    G_PARAM_STATIC_STRINGS));
+
 	/* Ignore incoming deprecated properties */
 	_nm_setting_class_add_dbus_only_property (parent_class, "allowed-bands",
 	                                          G_VARIANT_TYPE_UINT32,
diff --git a/libnm-core/nm-setting-gsm.h b/libnm-core/nm-setting-gsm.h
index 7f97d38678..5db60fce59 100644
--- a/libnm-core/nm-setting-gsm.h
+++ b/libnm-core/nm-setting-gsm.h
@@ -52,6 +52,7 @@ G_BEGIN_DECLS
 #define NM_SETTING_GSM_DEVICE_ID       "device-id"
 #define NM_SETTING_GSM_SIM_ID          "sim-id"
 #define NM_SETTING_GSM_SIM_OPERATOR_ID "sim-operator-id"
+#define NM_SETTING_GSM_MTU             "mtu"
 
 /**
  * NMSettingGsm:
@@ -84,6 +85,8 @@ NM_AVAILABLE_IN_1_2
 const char *nm_setting_gsm_get_sim_id          (NMSettingGsm *setting);
 NM_AVAILABLE_IN_1_2
 const char *nm_setting_gsm_get_sim_operator_id (NMSettingGsm *setting);
+NM_AVAILABLE_IN_1_8
+guint32 nm_setting_gsm_get_mtu                 (NMSettingGsm *setting);
 
 NMSettingSecretFlags nm_setting_gsm_get_pin_flags      (NMSettingGsm *setting);
 NMSettingSecretFlags nm_setting_gsm_get_password_flags (NMSettingGsm *setting);
diff --git a/libnm/libnm.ver b/libnm/libnm.ver
index 31ec7b0899..56164ec298 100644
--- a/libnm/libnm.ver
+++ b/libnm/libnm.ver
@@ -1154,4 +1154,5 @@ global:
 	nm_setting_802_1x_get_phase2_ca_cert_password_flags;
 	nm_setting_802_1x_get_phase2_client_cert_password;
 	nm_setting_802_1x_get_phase2_client_cert_password_flags;
+	nm_setting_gsm_get_mtu;
 } libnm_1_6_0;