118 static void int_urb_complete(struct urb *urb);
368 #define urb_dev(urb) (&(urb)->dev->dev)  argument
370 static inline void handle_regs_int_override(struct urb *urb)  in handle_regs_int_override()  argument
372 	struct zd_usb *usb = urb->context;  in handle_regs_int_override()
384 static inline void handle_regs_int(struct urb *urb)  in handle_regs_int()  argument
386 	struct zd_usb *usb = urb->context;  in handle_regs_int()
394 	int_num = le16_to_cpu(*(__le16 *)(urb->transfer_buffer+2));  in handle_regs_int()
396 		struct zd_mac *mac = zd_hw_mac(zd_usb_to_hw(urb->context));  in handle_regs_int()
398 		memcpy(&mac->intr_buffer, urb->transfer_buffer,  in handle_regs_int()
403 		len = urb->actual_length;  in handle_regs_int()
404 		intr->read_regs.length = urb->actual_length;  in handle_regs_int()
408 		memcpy(intr->read_regs.buffer, urb->transfer_buffer, len);  in handle_regs_int()
432 		handle_regs_int_override(urb);  in handle_regs_int()
435 static void int_urb_complete(struct urb *urb)  in int_urb_complete()  argument
442 	switch (urb->status) {  in int_urb_complete()
451 		dev_dbg_f(urb_dev(urb), "urb %p error %d\n", urb, urb->status);  in int_urb_complete()
454 		dev_dbg_f(urb_dev(urb), "urb %p error %d\n", urb, urb->status);  in int_urb_complete()
458 	if (urb->actual_length < sizeof(hdr)) {  in int_urb_complete()
459 		dev_dbg_f(urb_dev(urb), "error: urb %p to small\n", urb);  in int_urb_complete()
463 	hdr = urb->transfer_buffer;  in int_urb_complete()
465 		dev_dbg_f(urb_dev(urb), "error: urb %p wrong type\n", urb);  in int_urb_complete()
472 	usb = urb->context;  in int_urb_complete()
475 		handle_regs_int_override(urb);  in int_urb_complete()
479 		handle_regs_int(urb);  in int_urb_complete()
482 		zd_mac_tx_failed(urb);  in int_urb_complete()
485 		dev_dbg_f(urb_dev(urb), "error: urb %p unknown id %x\n", urb,  in int_urb_complete()
491 	r = usb_submit_urb(urb, GFP_ATOMIC);  in int_urb_complete()
493 		dev_dbg_f(urb_dev(urb), "error: resubmit urb %p err code %d\n",  in int_urb_complete()
494 			  urb, r);  in int_urb_complete()
517 	struct urb *urb;  in usb_int_enabled()  local
520 	urb = intr->urb;  in usb_int_enabled()
522 	return urb != NULL;  in usb_int_enabled()
530 	struct urb *urb;  in zd_usb_enable_int()  local
534 	urb = usb_alloc_urb(0, GFP_KERNEL);  in zd_usb_enable_int()
535 	if (!urb) {  in zd_usb_enable_int()
542 	if (intr->urb) {  in zd_usb_enable_int()
547 	intr->urb = urb;  in zd_usb_enable_int()
559 	usb_fill_int_urb(urb, udev, usb_rcvintpipe(udev, EP_INT_IN),  in zd_usb_enable_int()
563 	urb->transfer_dma = intr->buffer_dma;  in zd_usb_enable_int()
564 	urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;  in zd_usb_enable_int()
566 	dev_dbg_f(zd_usb_dev(usb), "submit urb %p\n", intr->urb);  in zd_usb_enable_int()
567 	r = usb_submit_urb(urb, GFP_KERNEL);  in zd_usb_enable_int()
580 	intr->urb = NULL;  in zd_usb_enable_int()
583 	usb_free_urb(urb);  in zd_usb_enable_int()
593 	struct urb *urb;  in zd_usb_disable_int()  local
598 	urb = intr->urb;  in zd_usb_disable_int()
599 	if (!urb) {  in zd_usb_disable_int()
603 	intr->urb = NULL;  in zd_usb_disable_int()
609 	usb_kill_urb(urb);  in zd_usb_disable_int()
610 	dev_dbg_f(zd_usb_dev(usb), "urb %p killed\n", urb);  in zd_usb_disable_int()
611 	usb_free_urb(urb);  in zd_usb_disable_int()
661 static void rx_urb_complete(struct urb *urb)  in rx_urb_complete()  argument
669 	switch (urb->status) {  in rx_urb_complete()
678 		dev_dbg_f(urb_dev(urb), "urb %p error %d\n", urb, urb->status);  in rx_urb_complete()
681 		dev_dbg_f(urb_dev(urb), "urb %p error %d\n", urb, urb->status);  in rx_urb_complete()
685 	buffer = urb->transfer_buffer;  in rx_urb_complete()
686 	length = urb->actual_length;  in rx_urb_complete()
687 	usb = urb->context;  in rx_urb_complete()
694 		dev_dbg_f(urb_dev(urb), "*** first fragment ***\n");  in rx_urb_complete()
708 		dev_dbg_f(urb_dev(urb), "*** second fragment ***\n");  in rx_urb_complete()
720 	r = usb_submit_urb(urb, GFP_ATOMIC);  in rx_urb_complete()
722 		dev_dbg_f(urb_dev(urb), "urb %p resubmit error %d\n", urb, r);  in rx_urb_complete()
725 static struct urb *alloc_rx_urb(struct zd_usb *usb)  in alloc_rx_urb()
728 	struct urb *urb;  in alloc_rx_urb()  local
731 	urb = usb_alloc_urb(0, GFP_KERNEL);  in alloc_rx_urb()
732 	if (!urb)  in alloc_rx_urb()
735 				    &urb->transfer_dma);  in alloc_rx_urb()
737 		usb_free_urb(urb);  in alloc_rx_urb()
741 	usb_fill_bulk_urb(urb, udev, usb_rcvbulkpipe(udev, EP_DATA_IN),  in alloc_rx_urb()
744 	urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;  in alloc_rx_urb()
746 	return urb;  in alloc_rx_urb()
749 static void free_rx_urb(struct urb *urb)  in free_rx_urb()  argument
751 	if (!urb)  in free_rx_urb()
753 	usb_free_coherent(urb->dev, urb->transfer_buffer_length,  in free_rx_urb()
754 			  urb->transfer_buffer, urb->transfer_dma);  in free_rx_urb()
755 	usb_free_urb(urb);  in free_rx_urb()
762 	struct urb **urbs;  in __zd_usb_enable_rx()
767 	urbs = kcalloc(RX_URBS_COUNT, sizeof(struct urb *), GFP_KERNEL);  in __zd_usb_enable_rx()
828 	struct urb **urbs;  in __zd_usb_disable_rx()
968 static void tx_urb_complete(struct urb *urb)  in tx_urb_complete()  argument
976 	skb = (struct sk_buff *)urb->context;  in tx_urb_complete()
985 	switch (urb->status) {  in tx_urb_complete()
994 		dev_dbg_f(urb_dev(urb), "urb %p error %d\n", urb, urb->status);  in tx_urb_complete()
997 		dev_dbg_f(urb_dev(urb), "urb %p error %d\n", urb, urb->status);  in tx_urb_complete()
1002 	zd_mac_tx_to_dev(skb, urb->status);  in tx_urb_complete()
1003 	usb_free_urb(urb);  in tx_urb_complete()
1007 	usb_anchor_urb(urb, &tx->submitted);  in tx_urb_complete()
1008 	r = usb_submit_urb(urb, GFP_ATOMIC);  in tx_urb_complete()
1010 		usb_unanchor_urb(urb);  in tx_urb_complete()
1011 		dev_dbg_f(urb_dev(urb), "error resubmit urb %p %d\n", urb, r);  in tx_urb_complete()
1033 	struct urb *urb;  in zd_usb_tx()  local
1041 	urb = usb_alloc_urb(0, GFP_ATOMIC);  in zd_usb_tx()
1042 	if (!urb) {  in zd_usb_tx()
1047 	usb_fill_bulk_urb(urb, udev, usb_sndbulkpipe(udev, EP_DATA_OUT),  in zd_usb_tx()
1052 	usb_anchor_urb(urb, &tx->submitted);  in zd_usb_tx()
1054 	r = usb_submit_urb(urb, GFP_ATOMIC);  in zd_usb_tx()
1056 		dev_dbg_f(zd_usb_dev(usb), "error submit urb %p %d\n", urb, r);  in zd_usb_tx()
1057 		usb_unanchor_urb(urb);  in zd_usb_tx()
1064 	usb_free_urb(urb);  in zd_usb_tx()
1788 static void iowrite16v_urb_complete(struct urb *urb)  in iowrite16v_urb_complete()  argument
1790 	struct zd_usb *usb = urb->context;  in iowrite16v_urb_complete()
1792 	if (urb->status && !usb->cmd_error)  in iowrite16v_urb_complete()
1793 		usb->cmd_error = urb->status;  in iowrite16v_urb_complete()
1796 			urb->actual_length != urb->transfer_buffer_length)  in iowrite16v_urb_complete()
1803 	struct urb *urb = usb->urb_async_waiting;  in zd_submit_waiting_urb()  local
1805 	if (!urb)  in zd_submit_waiting_urb()
1811 		urb->transfer_flags |= URB_NO_INTERRUPT;  in zd_submit_waiting_urb()
1813 	usb_anchor_urb(urb, &usb->submitted_cmds);  in zd_submit_waiting_urb()
1814 	r = usb_submit_urb(urb, GFP_KERNEL);  in zd_submit_waiting_urb()
1816 		usb_unanchor_urb(urb);  in zd_submit_waiting_urb()
1824 	usb_free_urb(urb);  in zd_submit_waiting_urb()
1884 	struct urb *urb;  in zd_usb_iowrite16v_async()  local
1910 	urb = usb_alloc_urb(0, GFP_KERNEL);  in zd_usb_iowrite16v_async()
1911 	if (!urb)  in zd_usb_iowrite16v_async()
1933 		usb_fill_int_urb(urb, udev, usb_sndintpipe(udev, EP_REGS_OUT),  in zd_usb_iowrite16v_async()
1937 		usb_fill_bulk_urb(urb, udev, usb_sndbulkpipe(udev, EP_REGS_OUT),  in zd_usb_iowrite16v_async()
1940 	urb->transfer_flags |= URB_FREE_BUFFER;  in zd_usb_iowrite16v_async()
1954 	usb->urb_async_waiting = urb;  in zd_usb_iowrite16v_async()
1957 	usb_free_urb(urb);  in zd_usb_iowrite16v_async()