75 	struct ncm_device *ncm = container_of ( ep, struct ncm_device,  in ncm_intr_complete()  local
77 	struct net_device *netdev = ncm->netdev;  in ncm_intr_complete()
90 		DBGC ( ncm, "NCM %p interrupt failed: %s\n",  in ncm_intr_complete()
91 		       ncm, strerror ( rc ) );  in ncm_intr_complete()
92 		DBGC_HDA ( ncm, 0, iobuf->data, iob_len ( iobuf ) );  in ncm_intr_complete()
98 		DBGC ( ncm, "NCM %p underlength interrupt:\n", ncm );  in ncm_intr_complete()
99 		DBGC_HDA ( ncm, 0, iobuf->data, iob_len ( iobuf ) );  in ncm_intr_complete()
110 			DBGC ( ncm, "NCM %p link up\n", ncm );  in ncm_intr_complete()
113 			DBGC ( ncm, "NCM %p link down\n", ncm );  in ncm_intr_complete()
123 		DBGC ( ncm, "NCM %p unrecognised interrupt:\n", ncm );  in ncm_intr_complete()
124 		DBGC_HDA ( ncm, 0, iobuf->data, iob_len ( iobuf ) );  in ncm_intr_complete()
159 static int ncm_in_prefill ( struct ncm_device *ncm ) {  in ncm_in_prefill()  argument
160 	struct usb_bus *bus = ncm->bus;  in ncm_in_prefill()
177 	for ( mtu = ncm->mtu ; mtu >= NCM_MIN_NTB_INPUT_SIZE ; mtu >>= 1 ) {  in ncm_in_prefill()
189 		usb_refill_init ( &ncm->usbnet.in, 0, mtu, count );  in ncm_in_prefill()
190 		if ( ( rc = usb_prefill ( &ncm->usbnet.in ) ) != 0 ) {  in ncm_in_prefill()
191 			DBGC ( ncm, "NCM %p could not prefill %dx %zd-byte "  in ncm_in_prefill()
192 			       "buffers for bulk IN\n", ncm, count, mtu );  in ncm_in_prefill()
196 		DBGC ( ncm, "NCM %p using %dx %zd-byte buffers for bulk IN\n",  in ncm_in_prefill()
197 		       ncm, count, mtu );  in ncm_in_prefill()
201 	DBGC ( ncm, "NCM %p could not prefill bulk IN endpoint\n", ncm );  in ncm_in_prefill()
214 	struct ncm_device *ncm = container_of ( ep, struct ncm_device,  in ncm_in_complete()  local
216 	struct net_device *netdev = ncm->netdev;  in ncm_in_complete()
238 		DBGC ( ncm, "NCM %p bulk IN failed: %s\n",  in ncm_in_complete()
239 		       ncm, strerror ( rc ) );  in ncm_in_complete()
246 		DBGC ( ncm, "NCM %p packet too short for NTH:\n", ncm );  in ncm_in_complete()
255 		DBGC ( ncm, "NCM %p packet too short for NDP:\n", ncm );  in ncm_in_complete()
262 		DBGC ( ncm, "NCM %p NDP header length too short:\n", ncm );  in ncm_in_complete()
267 		DBGC ( ncm, "NCM %p packet too short for NDP:\n", ncm );  in ncm_in_complete()
284 			DBGC ( ncm, "NCM %p underlength datagram:\n", ncm );  in ncm_in_complete()
289 			DBGC ( ncm, "NCM %p datagram exceeds packet:\n", ncm );  in ncm_in_complete()
310 		headroom = ( sizeof ( struct ncm_ntb_header ) + ncm->padding );  in ncm_in_complete()
331 	usb_recycle ( &ncm->usbnet.in, iobuf );  in ncm_in_complete()
338 	DBGC_HDA ( ncm, 0, iobuf->data, iob_len ( iobuf ) );  in ncm_in_complete()
341 	usb_recycle ( &ncm->usbnet.in, iobuf );  in ncm_in_complete()
356 static int ncm_out_transmit ( struct ncm_device *ncm,  in ncm_out_transmit()  argument
360 	size_t header_len = ( sizeof ( *header ) + ncm->padding );  in ncm_out_transmit()
374 	header->nth.sequence = cpu_to_le16 ( ncm->sequence );  in ncm_out_transmit()
387 	if ( ( rc = usb_stream ( &ncm->usbnet.out, iobuf, 0 ) ) != 0 )  in ncm_out_transmit()
391 	ncm->sequence++;  in ncm_out_transmit()
406 	struct ncm_device *ncm = container_of ( ep, struct ncm_device,  in ncm_out_complete()  local
408 	struct net_device *netdev = ncm->netdev;  in ncm_out_complete()
433 	struct ncm_device *ncm = netdev->priv;  in ncm_open()  local
434 	struct usb_device *usb = ncm->usb;  in ncm_open()
439 	ncm->sequence = 0;  in ncm_open()
442 	if ( ( rc = ncm_in_prefill ( ncm ) ) != 0 )  in ncm_open()
447 	size.mtu = cpu_to_le32 ( ncm->usbnet.in.len );  in ncm_open()
449 				  ncm->usbnet.comms, &size,  in ncm_open()
451 		DBGC ( ncm, "NCM %p could not set input size to %zd: %s\n",  in ncm_open()
452 		       ncm, ncm->usbnet.in.len, strerror ( rc ) );  in ncm_open()
458 				  ncm->usbnet.comms, netdev->ll_addr,  in ncm_open()
460 		DBGC ( ncm, "NCM %p could not set MAC address: %s\n",  in ncm_open()
461 		       ncm, strerror ( rc ) );  in ncm_open()
466 	if ( ( rc = usbnet_open ( &ncm->usbnet ) ) != 0 ) {  in ncm_open()
467 		DBGC ( ncm, "NCM %p could not open: %s\n",  in ncm_open()
468 		       ncm, strerror ( rc ) );  in ncm_open()
474 	usbnet_close ( &ncm->usbnet );  in ncm_open()
477 	usb_flush ( &ncm->usbnet.in );  in ncm_open()
488 	struct ncm_device *ncm = netdev->priv;  in ncm_close()  local
491 	usbnet_close ( &ncm->usbnet );  in ncm_close()
503 	struct ncm_device *ncm = netdev->priv;  in ncm_transmit()  local
507 	if ( ( rc = ncm_out_transmit ( ncm, iobuf ) ) != 0 )  in ncm_transmit()
519 	struct ncm_device *ncm = netdev->priv;  in ncm_poll()  local
523 	usb_poll ( ncm->bus );  in ncm_poll()
526 	if ( ( rc = usbnet_refill ( &ncm->usbnet ) ) != 0 )  in ncm_poll()
557 	struct ncm_device *ncm;  in ncm_probe()  local
564 	netdev = alloc_etherdev ( sizeof ( *ncm ) );  in ncm_probe()
571 	ncm = netdev->priv;  in ncm_probe()
572 	memset ( ncm, 0, sizeof ( *ncm ) );  in ncm_probe()
573 	ncm->usb = usb;  in ncm_probe()
574 	ncm->bus = usb->port->hub->bus;  in ncm_probe()
575 	ncm->netdev = netdev;  in ncm_probe()
576 	usbnet_init ( &ncm->usbnet, func, &ncm_intr_operations,  in ncm_probe()
578 	usb_refill_init ( &ncm->usbnet.intr, 0, 0, NCM_INTR_COUNT );  in ncm_probe()
579 	DBGC ( ncm, "NCM %p on %s\n", ncm, func->name );  in ncm_probe()
582 	if ( ( rc = usbnet_describe ( &ncm->usbnet, config ) ) != 0 ) {  in ncm_probe()
583 		DBGC ( ncm, "NCM %p could not describe: %s\n",  in ncm_probe()
584 		       ncm, strerror ( rc ) );  in ncm_probe()
589 	comms = usb_interface_descriptor ( config, ncm->usbnet.comms, 0 );  in ncm_probe()
593 		DBGC ( ncm, "NCM %p has no Ethernet descriptor\n", ncm );  in ncm_probe()
600 		DBGC ( ncm, "NCM %p could not fetch MAC address: %s\n",  in ncm_probe()
601 		       ncm, strerror ( rc ) );  in ncm_probe()
607 				  ncm->usbnet.comms, &params,  in ncm_probe()
609 		DBGC ( ncm, "NCM %p could not get NTB parameters: %s\n",  in ncm_probe()
610 		       ncm, strerror ( rc ) );  in ncm_probe()
615 	ncm->mtu = le32_to_cpu ( params.in.mtu );  in ncm_probe()
616 	DBGC2 ( ncm, "NCM %p maximum IN size is %zd bytes\n", ncm, ncm->mtu );  in ncm_probe()
619 	ncm->padding = ( ( le16_to_cpu ( params.out.remainder ) -  in ncm_probe()
622 	DBGC2 ( ncm, "NCM %p using %zd-byte transmit padding\n",  in ncm_probe()
623 		ncm, ncm->padding );  in ncm_probe()
624 	assert ( ( ( sizeof ( struct ncm_ntb_header ) + ncm->padding +  in ncm_probe()
632 	usb_func_set_drvdata ( func, ncm );  in ncm_probe()
653 	struct ncm_device *ncm = usb_func_get_drvdata ( func );  in ncm_remove()  local
654 	struct net_device *netdev = ncm->netdev;  in ncm_remove()