[PATCH 2/2] Add nm_device_prepare_wake_up function to MNDevice, called when going to sleep and device is marked as 'CanWakeUp'

[Jean Parpaillon <jparpaillon mandriva com>]

From: Jean Parpaillon <jean parpaillon free fr>

---
 src/nm-device.c |   20 ++++++++++++++++++--
 src/nm-device.h |    1 +
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/nm-device.c b/src/nm-device.c
index 31a73c1..fdd5627 100644
--- a/src/nm-device.c
+++ b/src/nm-device.c
@@ -167,6 +167,8 @@ static gboolean can_assume_connections (NMDeviceInterface *device);
 
 static void nm_device_activate_schedule_stage5_ip_config_commit (NMDevice *self, int family);
 
+static void nm_device_prepare_wake_up (NMDevice *dev);
+
 static void nm_device_take_down (NMDevice *dev, gboolean wait, NMDeviceStateReason reason);
 
 static gboolean nm_device_bring_up (NMDevice *self, gboolean block, gboolean *no_firmware);
@@ -3296,6 +3298,17 @@ nm_device_bring_up (NMDevice *self, gboolean block, gboolean *no_firmware)
 }
 
 static void
+nm_device_prepare_wake_up (NMDevice *self)
+{
+	g_return_if_fail (NM_IS_DEVICE (self));
+	
+	nm_log_info (LOGD_DEVICE, "(%s): preparing for waking up...");
+
+	if (NM_DEVICE_GET_CLASS (self)->prepare_wake_up)
+		NM_DEVICE_GET_CLASS (self)->prepare_wake_up (self);
+}
+
+static void
 nm_device_take_down (NMDevice *self, gboolean block, NMDeviceStateReason reason)
 {
 	g_return_if_fail (NM_IS_DEVICE (self));
@@ -3899,8 +3912,11 @@ nm_device_state_changed (NMDevice *device,
 	switch (state) {
 	case NM_DEVICE_STATE_UNMANAGED:
 		nm_device_set_firmware_missing (device, FALSE);
-		if (old_state > NM_DEVICE_STATE_UNMANAGED)
-			nm_device_take_down (device, TRUE, reason);
+		if (old_state > NM_DEVICE_STATE_UNMANAGED) {
+			if (priv->can_wake_up)
+				nm_device_prepare_wake_up (device);
+			else
+				nm_device_take_down (device, TRUE, reason);
 		break;
 	case NM_DEVICE_STATE_UNAVAILABLE:
 		if (old_state == NM_DEVICE_STATE_UNMANAGED || priv->firmware_missing) {
diff --git a/src/nm-device.h b/src/nm-device.h
index b7273de..fb450bf 100644
--- a/src/nm-device.h
+++ b/src/nm-device.h
@@ -70,6 +70,7 @@ typedef struct {
 	gboolean        (*is_up)         (NMDevice *self);
 	gboolean        (*bring_up)      (NMDevice *self);
 	void            (*take_down)     (NMDevice *self);
+	void            (*prepare_wake_up) (NMDevice *self);
 
 	void        (* update_hw_address) (NMDevice *self);
 	void        (* update_permanent_hw_address) (NMDevice *self);
-- 
1.7.6.3