platform: add link_get_wake_on_lan()

src/platform/nm-fake-platform.c

@@ -476,6 +476,15 @@ link_get_physical_port_id (NMPlatform *platform, int ifindex)
 	return NULL;
 }
 
+static gboolean
+link_get_wake_on_lan (NMPlatform *platform, int ifindex)
+{
+	/* We call link_get just to cause an error to be set if @ifindex is bad. */
+	link_get (platform, ifindex);
+
+	return FALSE;
+}
+
 static gboolean
 link_supports_carrier_detect (NMPlatform *platform, int ifindex)
 {
@@ -1301,6 +1310,7 @@ nm_fake_platform_class_init (NMFakePlatformClass *klass)
 	platform_class->link_set_mtu = link_set_mtu;
 
 	platform_class->link_get_physical_port_id = link_get_physical_port_id;
+	platform_class->link_get_wake_on_lan = link_get_wake_on_lan;
 
 	platform_class->link_supports_carrier_detect = link_supports_carrier_detect;
 	platform_class->link_supports_vlans = link_supports_vlans;

src/platform/nm-linux-platform.c

@@ -2873,6 +2873,31 @@ mesh_set_ssid (NMPlatform *platform, int ifindex, const GByteArray *ssid)
 	return wifi_utils_set_mesh_ssid (wifi_data, ssid);
 }
 
+static gboolean
+link_get_wake_on_lan (NMPlatform *platform, int ifindex)
+{
+	NMLinkType type = link_get_type (platform, ifindex);
+
+	if (type == NM_LINK_TYPE_ETHERNET) {
+		struct ethtool_wolinfo wol;
+
+		memset (&wol, 0, sizeof (wol));
+		wol.cmd = ETHTOOL_GWOL;
+		if (!ethtool_get (link_get_name (platform, ifindex), &wol))
+			return FALSE;
+
+		return wol.wolopts != 0;
+	} else if (type == NM_LINK_TYPE_WIFI) {
+		WifiData *wifi_data = wifi_get_wifi_data (platform, ifindex);
+
+		if (!wifi_data)
+			return FALSE;
+
+		return wifi_utils_get_wowlan (wifi_data);
+	} else
+		return FALSE;
+}
+
 /******************************************************************/
 
 static int
@@ -3644,6 +3669,7 @@ nm_linux_platform_class_init (NMLinuxPlatformClass *klass)
 	platform_class->link_set_mtu = link_set_mtu;
 
 	platform_class->link_get_physical_port_id = link_get_physical_port_id;
+	platform_class->link_get_wake_on_lan = link_get_wake_on_lan;
 
 	platform_class->link_supports_carrier_detect = link_supports_carrier_detect;
 	platform_class->link_supports_vlans = link_supports_vlans;

src/platform/nm-platform.c

@@ -901,6 +901,23 @@ nm_platform_link_get_physical_port_id (int ifindex)
 	return klass->link_get_physical_port_id (platform, ifindex);
 }
 
+/**
+ * nm_platform_link_get_wake_onlan:
+ * @ifindex: Interface index
+ *
+ * Returns: the "Wake-on-LAN" status for @ifindex.
+ */
+gboolean
+nm_platform_link_get_wake_on_lan (int ifindex)
+{
+	reset_error ();
+
+	g_return_val_if_fail (ifindex >= 0, FALSE);
+	g_return_val_if_fail (klass->link_get_wake_on_lan, FALSE);
+
+	return klass->link_get_wake_on_lan (platform, ifindex);
+}
+
 /**
  * nm_platform_link_enslave:
  * @master: Interface index of the master

src/platform/nm-platform.h

@@ -321,6 +321,7 @@ typedef struct {
 	gboolean (*link_set_mtu) (NMPlatform *, int ifindex, guint32 mtu);
 
 	char * (*link_get_physical_port_id) (NMPlatform *, int ifindex);
+	gboolean (*link_get_wake_on_lan) (NMPlatform *, int ifindex);
 
 	gboolean (*link_supports_carrier_detect) (NMPlatform *, int ifindex);
 	gboolean (*link_supports_vlans) (NMPlatform *, int ifindex);
@@ -467,6 +468,7 @@ guint32 nm_platform_link_get_mtu (int ifindex);
 gboolean nm_platform_link_set_mtu (int ifindex, guint32 mtu);
 
 char    *nm_platform_link_get_physical_port_id (int ifindex);
+gboolean nm_platform_link_get_wake_on_lan (int ifindex);
 
 gboolean nm_platform_link_supports_carrier_detect (int ifindex);
 gboolean nm_platform_link_supports_vlans (int ifindex);