209 static void collect_rx_frame(usb_fifo *fifo, __u8 *data, int len,
454 start_isoc_chain(usb_fifo *fifo, int num_packets_per_urb,  in start_isoc_chain()  argument
460 	    fifo->fifonum);  in start_isoc_chain()
464 		if (!(fifo->iso[i].purb)) {  in start_isoc_chain()
465 			fifo->iso[i].purb =  in start_isoc_chain()
467 			if (!(fifo->iso[i].purb)) {  in start_isoc_chain()
470 				       fifo->fifonum);  in start_isoc_chain()
472 			fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo;  in start_isoc_chain()
476 			    (fifo->usb_packet_maxlen *  in start_isoc_chain()
478 				fill_isoc_urb(fifo->iso[i].purb,  in start_isoc_chain()
479 					      fifo->hfc->dev, fifo->pipe,  in start_isoc_chain()
480 					      fifo->iso[i].buffer,  in start_isoc_chain()
482 					      fifo->usb_packet_maxlen,  in start_isoc_chain()
483 					      fifo->intervall, complete,  in start_isoc_chain()
484 					      &fifo->iso[i]);  in start_isoc_chain()
485 				memset(fifo->iso[i].buffer, 0,  in start_isoc_chain()
486 				       sizeof(fifo->iso[i].buffer));  in start_isoc_chain()
489 					fifo->iso[i].purb->  in start_isoc_chain()
492 					fifo->iso[i].purb->  in start_isoc_chain()
501 		fifo->bit_line = BITLINE_INF;  in start_isoc_chain()
503 		errcode = usb_submit_urb(fifo->iso[i].purb, GFP_KERNEL);  in start_isoc_chain()
504 		fifo->active = (errcode >= 0) ? 1 : 0;  in start_isoc_chain()
509 	return (fifo->active);  in start_isoc_chain()
514 stop_isoc_chain(usb_fifo *fifo)  in stop_isoc_chain()  argument
519 		if (fifo->iso[i].purb) {  in stop_isoc_chain()
522 			    fifo->fifonum, i);  in stop_isoc_chain()
523 			usb_kill_urb(fifo->iso[i].purb);  in stop_isoc_chain()
524 			usb_free_urb(fifo->iso[i].purb);  in stop_isoc_chain()
525 			fifo->iso[i].purb = NULL;  in stop_isoc_chain()
529 	usb_kill_urb(fifo->urb);  in stop_isoc_chain()
530 	usb_free_urb(fifo->urb);  in stop_isoc_chain()
531 	fifo->urb = NULL;  in stop_isoc_chain()
532 	fifo->active = 0;  in stop_isoc_chain()
545 	usb_fifo *fifo = context_iso_urb->owner_fifo;  in tx_iso_complete()  local
546 	hfcusb_data *hfc = fifo->hfc;  in tx_iso_complete()
552 	fifon = fifo->fifonum;  in tx_iso_complete()
576 	if (fifo->active && !status) {  in tx_iso_complete()
591 		fill_isoc_urb(urb, fifo->hfc->dev, fifo->pipe,  in tx_iso_complete()
593 			      fifo->usb_packet_maxlen, fifo->intervall,  in tx_iso_complete()
601 			if (fifo->skbuff) {  in tx_iso_complete()
602 				len = fifo->skbuff->len;  in tx_iso_complete()
604 				fifo->bit_line -= sink;  in tx_iso_complete()
605 				current_len = (0 - fifo->bit_line) / 8;  in tx_iso_complete()
613 				fifo->bit_line += current_len * 8;  in tx_iso_complete()
622 						fifo->bit_line += 32;  in tx_iso_complete()
628 				       tx_offset + 1, fifo->skbuff->data,  in tx_iso_complete()
630 				skb_pull(fifo->skbuff, current_len);  in tx_iso_complete()
643 				fifo->bit_line -= sink;	/* we lower data margin every msec */  in tx_iso_complete()
645 				if (fifo->bit_line < BITLINE_INF) {  in tx_iso_complete()
646 					fifo->bit_line = BITLINE_INF;  in tx_iso_complete()
651 				fifo->delete_flg = 1;  in tx_iso_complete()
652 				fifo->hif->l1l2(fifo->hif,  in tx_iso_complete()
654 						(void *) (unsigned long) fifo->skbuff->  in tx_iso_complete()
656 				if (fifo->skbuff && fifo->delete_flg) {  in tx_iso_complete()
657 					dev_kfree_skb_any(fifo->skbuff);  in tx_iso_complete()
658 					fifo->skbuff = NULL;  in tx_iso_complete()
659 					fifo->delete_flg = 0;  in tx_iso_complete()
683 	usb_fifo *fifo = context_iso_urb->owner_fifo;  in rx_iso_complete()  local
684 	hfcusb_data *hfc = fifo->hfc;  in rx_iso_complete()
691 	fifon = fifo->fifonum;  in rx_iso_complete()
709 	if (fifo->active && !status) {  in rx_iso_complete()
711 		maxlen = fifo->usb_packet_maxlen;  in rx_iso_complete()
728 				    fifo->last_urblen, len, maxlen,  in rx_iso_complete()
734 			if (fifo->last_urblen != maxlen) {  in rx_iso_complete()
746 					collect_rx_frame(fifo, buf + 2,  in rx_iso_complete()
751 				collect_rx_frame(fifo, buf, len,  in rx_iso_complete()
756 			fifo->last_urblen = len;  in rx_iso_complete()
759 		fill_isoc_urb(urb, fifo->hfc->dev, fifo->pipe,  in rx_iso_complete()
761 			      fifo->usb_packet_maxlen, fifo->intervall,  in rx_iso_complete()
781 collect_rx_frame(usb_fifo *fifo, __u8 *data, int len, int finish)  in collect_rx_frame()  argument
783 	hfcusb_data *hfc = fifo->hfc;  in collect_rx_frame()
786 	fifon = fifo->fifonum;  in collect_rx_frame()
791 	if (!fifo->skbuff) {  in collect_rx_frame()
792 		fifo->skbuff = dev_alloc_skb(fifo->max_size + 3);  in collect_rx_frame()
793 		if (!fifo->skbuff) {  in collect_rx_frame()
801 		if (fifo->skbuff->len + len < fifo->max_size) {  in collect_rx_frame()
802 			memcpy(skb_put(fifo->skbuff, len), data, len);  in collect_rx_frame()
806 			    fifo->max_size, fifon);  in collect_rx_frame()
807 			DBG_SKB(HFCUSB_DBG_VERBOSE_USB, fifo->skbuff);  in collect_rx_frame()
808 			skb_trim(fifo->skbuff, 0);  in collect_rx_frame()
811 	if (transp_mode && fifo->skbuff->len >= 128) {  in collect_rx_frame()
812 		fifo->hif->l1l2(fifo->hif, PH_DATA | INDICATION,  in collect_rx_frame()
813 				fifo->skbuff);  in collect_rx_frame()
814 		fifo->skbuff = NULL;  in collect_rx_frame()
819 		if (fifo->skbuff->len > 3 &&  in collect_rx_frame()
820 		    !fifo->skbuff->data[fifo->skbuff->len - 1]) {  in collect_rx_frame()
824 				    "HFC-S USB: D-RX len(%d)", fifo->skbuff->len);  in collect_rx_frame()
825 				DBG_SKB(HFCUSB_DBG_DCHANNEL, fifo->skbuff);  in collect_rx_frame()
829 			skb_trim(fifo->skbuff, fifo->skbuff->len - 3);  in collect_rx_frame()
831 				fifo->hif->l1l2(fifo->hif,  in collect_rx_frame()
833 						fifo->skbuff);  in collect_rx_frame()
835 				fifo->hif->l1l2(fifo->hif,  in collect_rx_frame()
837 						fifo->skbuff);  in collect_rx_frame()
838 			fifo->skbuff = NULL;	/* buffer was freed from upper layer */  in collect_rx_frame()
842 			    fifo->skbuff->len, fifon);  in collect_rx_frame()
843 			DBG_SKB(HFCUSB_DBG_VERBOSE_USB, fifo->skbuff);  in collect_rx_frame()
844 			skb_trim(fifo->skbuff, 0);  in collect_rx_frame()
855 	usb_fifo *fifo = (usb_fifo *) urb->context;  in rx_int_complete()  local
856 	hfcusb_data *hfc = fifo->hfc;  in rx_int_complete()
861 	fifon = fifo->fifonum;  in rx_int_complete()
862 	if ((!fifo->active) || (urb->status)) {  in rx_int_complete()
866 		fifo->urb->interval = 0;	/* cancel automatic rescheduling */  in rx_int_complete()
867 		if (fifo->skbuff) {  in rx_int_complete()
868 			dev_kfree_skb_any(fifo->skbuff);  in rx_int_complete()
869 			fifo->skbuff = NULL;  in rx_int_complete()
874 	buf = fifo->buffer;  in rx_int_complete()
875 	maxlen = fifo->usb_packet_maxlen;  in rx_int_complete()
881 		    fifo->last_urblen, len, maxlen,  in rx_int_complete()
886 	if (fifo->last_urblen != fifo->usb_packet_maxlen) {  in rx_int_complete()
894 			collect_rx_frame(fifo, buf + 2,  in rx_int_complete()
898 		collect_rx_frame(fifo, buf, urb->actual_length,  in rx_int_complete()
901 	fifo->last_urblen = urb->actual_length;  in rx_int_complete()
912 start_int_fifo(usb_fifo *fifo)  in start_int_fifo()  argument
917 	    fifo->fifonum);  in start_int_fifo()
919 	if (!fifo->urb) {  in start_int_fifo()
920 		fifo->urb = usb_alloc_urb(0, GFP_KERNEL);  in start_int_fifo()
921 		if (!fifo->urb)  in start_int_fifo()
924 	usb_fill_int_urb(fifo->urb, fifo->hfc->dev, fifo->pipe,  in start_int_fifo()
925 			 fifo->buffer, fifo->usb_packet_maxlen,  in start_int_fifo()
926 			 rx_int_complete, fifo, fifo->intervall);  in start_int_fifo()
927 	fifo->active = 1;	/* must be marked active */  in start_int_fifo()
928 	errcode = usb_submit_urb(fifo->urb, GFP_KERNEL);  in start_int_fifo()
932 		fifo->active = 0;  in start_int_fifo()
933 		fifo->skbuff = NULL;  in start_int_fifo()
997 	usb_fifo *fifo = my_hisax_if->priv;  in hfc_usb_l2l1()  local
998 	hfcusb_data *hfc = fifo->hfc;  in hfc_usb_l2l1()
1002 		if (fifo->fifonum == HFCUSB_D_TX) {  in hfc_usb_l2l1()
1053 				       (fifo->fifonum ==  in hfc_usb_l2l1()
1056 			fifo->hif->l1l2(fifo->hif,  in hfc_usb_l2l1()
1062 		if (fifo->fifonum == HFCUSB_D_TX) {  in hfc_usb_l2l1()
1069 				       (fifo->fifonum ==  in hfc_usb_l2l1()
1072 			fifo->hif->l1l2(fifo->hif,  in hfc_usb_l2l1()
1078 		if (fifo->skbuff && fifo->delete_flg) {  in hfc_usb_l2l1()
1079 			dev_kfree_skb_any(fifo->skbuff);  in hfc_usb_l2l1()
1080 			fifo->skbuff = NULL;  in hfc_usb_l2l1()
1081 			fifo->delete_flg = 0;  in hfc_usb_l2l1()
1083 		fifo->skbuff = arg;	/* we have a new buffer */  in hfc_usb_l2l1()
1096 	usb_fifo *fifo;  in hfc_usb_init()  local
1135 	fifo = hfc->fifos;  in hfc_usb_init()
1138 		fifo[i].skbuff = NULL;	/* init buffer pointer */  in hfc_usb_init()
1139 		fifo[i].max_size =  in hfc_usb_init()
1141 		fifo[i].last_urblen = 0;  in hfc_usb_init()