File usb-rndis-lite-samsung.patch of Package usb-rndis-lite

Index: cdc_ether.c
===================================================================
--- cdc_ether.c	(revision 3009)
+++ cdc_ether.c	(working copy)
@@ -18,8 +18,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-// #define	DEBUG			// error path messages, extra info
-// #define	VERBOSE			// more; success messages
+#define	DEBUG			// error path messages, extra info
+#define	VERBOSE			// more; success messages
 
 #include <linux/module.h>
 #include <linux/version.h>
Index: usbnet.c
===================================================================
--- usbnet.c	(revision 3009)
+++ usbnet.c	(working copy)
@@ -30,8 +30,8 @@
  * issues can usefully be addressed by this framework.
  */
 
-// #define	DEBUG			// error path messages, extra info
-// #define	VERBOSE			// more; success messages
+#define	DEBUG			// error path messages, extra info
+#define	VERBOSE			// more; success messages
 
 #include <linux/module.h>
 #include <linux/version.h>
Index: rndis_host.c
===================================================================
--- rndis_host.c	(revision 3009)
+++ rndis_host.c	(working copy)
@@ -17,8 +17,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-// #define	DEBUG			// error path messages, extra info
-// #define	VERBOSE			// more; success messages
+#define	DEBUG			// error path messages, extra info
+#define	VERBOSE			// more; success messages
 
 #include <linux/module.h>
 #include <linux/version.h>
@@ -275,6 +275,25 @@
 	// if not an RNDIS status, do like cdc_status(dev,urb) does
 }
 
+//BASTARD HACK: Function ripped from keyspan_remote.c
+static struct usb_endpoint_descriptor *rndis_get_in_endpoint(struct usb_host_interface *iface)
+{
+
+	struct usb_endpoint_descriptor *endpoint;
+	int i;
+
+	for (i = 0; i < iface->desc.bNumEndpoints; ++i) {
+		endpoint = &iface->endpoint[i].desc;
+
+		if (usb_endpoint_is_int_in(endpoint)) {
+			/* we found our interrupt in endpoint */
+			return endpoint;
+		}
+	}
+
+	return NULL;
+}
+
 /*
  * RPC done RNDIS-style.  Caller guarantees:
  * - message is properly byteswapped
@@ -288,11 +307,14 @@
 static int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf)
 {
 	struct cdc_state	*info = (void *) &dev->data;
+	struct usb_endpoint_descriptor *endpoint;
 	int			master_ifnum;
 	int			retval;
-	unsigned		count;
-	__le32			rsp;
+	unsigned	count;
+	__le32		rsp;
 	u32			xid = 0, msg_len, request_id;
+	char 		int_buf[128];
+	int 		maxp, pipe, partial;
 
 	/* REVISIT when this gets called from contexts other than probe() or
 	 * disconnect(): either serialize, or dispatch responses on xid
@@ -321,6 +343,29 @@
 	// we time out and cancel our "get response" requests...
 	// so, this is fragile.  Probably need to poll for status.
 
+    // FIXME This feels rancid 
+	endpoint = rndis_get_in_endpoint(info->control->cur_altsetting);
+	pipe = usb_rcvintpipe(dev->udev, endpoint->bEndpointAddress);
+	maxp = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe));
+
+	retval = usb_interrupt_msg(dev->udev,
+		pipe,
+		int_buf,
+		(maxp > 8 ? 8 : maxp),
+		&partial,
+		RNDIS_CONTROL_TIMEOUT_MS);
+
+    dev_dbg(&info->control->dev,
+		"pipe: %d, maxp: %d, partial: %d, retval: %d\n",
+		pipe,
+		maxp,
+		partial,
+		retval);
+
+	/* I /think/ usb_interrupt_msg blocks and returns < 0 for error */
+	if (unlikely(retval < 0))
+		return retval;
+
 	/* ignore status endpoint, just poll the control channel;
 	 * the request probably completed immediately
 	 */