firewire: Implement basic isochronous receive functionality.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/fw-device-cdev.h b/drivers/firewire/fw-device-cdev.h
index 003cc66..4e766ec 100644
--- a/drivers/firewire/fw-device-cdev.h
+++ b/drivers/firewire/fw-device-cdev.h
@@ -125,7 +125,12 @@
 	__u32 length;
 };
 
+#define FW_CDEV_ISO_CONTEXT_TRANSMIT	0
+#define FW_CDEV_ISO_CONTEXT_RECEIVE	1
+
 struct fw_cdev_create_iso_context {
+	__u32 type;
+	__u32 header_size;
 	__u32 handle;
 };