usb/gadget/ether.c

104 	struct usb_request	*stat_req;	/* for cdc & rndis status */
109 				*in, *out, *status;
294  * status transfer endpoint isn't optional.
381  * three class descriptors, two interface descriptors, optional status
405 	/* status endpoint is optional; this may be patched later */
526  * include the status endpoint if we can, even where it's optional.
536  * RNDIS requires the status endpoint, since it uses that encapsulation
664 	/* NOTE: status endpoint may need to be removed */
764 	/* NOTE: status endpoint may need to be removed */
927 	/* status endpoint used for RNDIS and (optionally) CDC */
929 		dev->status = ep_desc(gadget, &hs_status_desc,
933 		result = usb_ep_enable(dev->status_ep, dev->status);
981 		dev->status = NULL;
1026 	if (dev->status)
1104  * only to notify the host about link status changes (which we support) or
1107  * command mechanism; and only one status request is ever queued.
1112 	int				value = req->status;
1153 	 * flush old status
1163 	usb_ep_enable(dev->status_ep, dev->status);
1182 		debug("status buf queue --> %d\n", value);
1191 	if (req->status || req->actual != req->length)
1193 				req->status, req->actual, req->length);
1200 	if (req->status || req->actual != req->length)
1202 			req->status, req->actual, req->length);
1210 	int			status;
1213 	status = rndis_msg_parser(dev->rndis_config, (u8 *) req->buf);
1214 	if (status < 0)
1215 		pr_err("%s: rndis parse error %d", __func__, status);
1319 			if (dev->status) {
1321 				usb_ep_enable(dev->status_ep, dev->status);
1343 				if (dev->status)
1452 	/* respond with data transfer before status phase? */
1454 		debug("respond with data transfer before status phase\n");
1461 			req->status = 0;
1525 	debug("%s: status %d\n", __func__, req->status);
1526 	switch (req->status) {
1594 	debug("%s: status %s\n", __func__, (req->status) ? "failed" : "ok");
1595 	switch (req->status) {
1598 		debug("tx err %d\n", req->status);
1803 	if (req->status || req->actual != req->length)
1805 			req->status, req->actual, req->length);
1835 	if (!dev->status) {
1836 		debug("status ENODEV\n");
1861 		resp->status = 0;
1976 	int			status = -ENOMEM;
2085 	 * CDC Ethernet control interface doesn't require a status endpoint.
2184 		status = rndis_init();
2185 		if (status < 0) {
2186 			pr_err("can't init RNDIS, %d", status);
2204 	/* ... and maybe likewise for status transfer */
2253 			status = -ENODEV;
2273 	pr_err("%s failed, status = %d", __func__, status);
2275 	return status;
2398 	 * For example: unhandled interrupt with status stage started may