284 	struct gs_host_frame *hf = urb->transfer_buffer;  in gs_usb_receive_bulk_callback()  local
303 	if (hf->channel >= GS_MAX_INTF)  in gs_usb_receive_bulk_callback()
306 	dev = usbcan->canch[hf->channel];  in gs_usb_receive_bulk_callback()
314 	if (hf->echo_id == -1) { /* normal rx */  in gs_usb_receive_bulk_callback()
319 		cf->can_id = hf->can_id;  in gs_usb_receive_bulk_callback()
321 		cf->can_dlc = get_can_dlc(hf->can_dlc);  in gs_usb_receive_bulk_callback()
322 		memcpy(cf->data, hf->data, 8);  in gs_usb_receive_bulk_callback()
325 		if (hf->can_id & CAN_ERR_FLAG)  in gs_usb_receive_bulk_callback()
329 		netdev->stats.rx_bytes += hf->can_dlc;  in gs_usb_receive_bulk_callback()
333 		if (hf->echo_id >= GS_MAX_TX_URBS) {  in gs_usb_receive_bulk_callback()
336 				   hf->echo_id);  in gs_usb_receive_bulk_callback()
341 		netdev->stats.tx_bytes += hf->can_dlc;  in gs_usb_receive_bulk_callback()
343 		txc = gs_get_tx_context(dev, hf->echo_id);  in gs_usb_receive_bulk_callback()
349 				   hf->echo_id);  in gs_usb_receive_bulk_callback()
353 		can_get_echo_skb(netdev, hf->echo_id);  in gs_usb_receive_bulk_callback()
360 	if (hf->flags & GS_CAN_FLAG_OVERFLOW) {  in gs_usb_receive_bulk_callback()
377 			  hf,  in gs_usb_receive_bulk_callback()
460 	struct gs_host_frame *hf;  in gs_can_start_xmit()  local
481 	hf = usb_alloc_coherent(dev->udev, sizeof(*hf), GFP_ATOMIC,  in gs_can_start_xmit()
483 	if (!hf) {  in gs_can_start_xmit()
495 	hf->echo_id = idx;  in gs_can_start_xmit()
496 	hf->channel = dev->channel;  in gs_can_start_xmit()
500 	hf->can_id = cf->can_id;  in gs_can_start_xmit()
501 	hf->can_dlc = cf->can_dlc;  in gs_can_start_xmit()
502 	memcpy(hf->data, cf->data, cf->can_dlc);  in gs_can_start_xmit()
506 			  hf,  in gs_can_start_xmit()
507 			  sizeof(*hf),  in gs_can_start_xmit()
527 				  sizeof(*hf),  in gs_can_start_xmit()
528 				  hf,  in gs_can_start_xmit()
551 			  sizeof(*hf),  in gs_can_start_xmit()
552 			  hf,  in gs_can_start_xmit()