Lines Matching refs:dev
66 #define RX_QLEN(dev) ((dev)->rx_qlen) argument
67 #define TX_QLEN(dev) ((dev)->tx_qlen) argument
95 int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf) in usbnet_get_endpoints() argument
145 !(dev->driver_info->flags & FLAG_NO_SETINT)) { in usbnet_get_endpoints()
146 tmp = usb_set_interface (dev->udev, alt->desc.bInterfaceNumber, in usbnet_get_endpoints()
152 dev->in = usb_rcvbulkpipe (dev->udev, in usbnet_get_endpoints()
154 dev->out = usb_sndbulkpipe (dev->udev, in usbnet_get_endpoints()
156 dev->status = status; in usbnet_get_endpoints()
161 int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress) in usbnet_get_ethernet_addr() argument
166 ret = usb_string(dev->udev, iMACAddress, buf, sizeof buf); in usbnet_get_ethernet_addr()
168 tmp = hex2bin(dev->net->dev_addr, buf, 6); in usbnet_get_ethernet_addr()
170 dev_dbg(&dev->udev->dev, in usbnet_get_ethernet_addr()
182 struct usbnet *dev = urb->context; in intr_complete() local
188 dev->driver_info->status(dev, urb); in intr_complete()
194 netif_dbg(dev, ifdown, dev->net, in intr_complete()
202 netdev_dbg(dev->net, "intr status %d\n", status); in intr_complete()
208 netif_err(dev, timer, dev->net, in intr_complete()
212 static int init_status (struct usbnet *dev, struct usb_interface *intf) in init_status() argument
219 if (!dev->driver_info->status) in init_status()
222 pipe = usb_rcvintpipe (dev->udev, in init_status()
223 dev->status->desc.bEndpointAddress in init_status()
225 maxp = usb_maxpacket (dev->udev, pipe, 0); in init_status()
228 period = max ((int) dev->status->desc.bInterval, in init_status()
229 (dev->udev->speed == USB_SPEED_HIGH) ? 7 : 3); in init_status()
233 dev->interrupt = usb_alloc_urb (0, GFP_KERNEL); in init_status()
234 if (!dev->interrupt) { in init_status()
238 usb_fill_int_urb(dev->interrupt, dev->udev, pipe, in init_status()
239 buf, maxp, intr_complete, dev, period); in init_status()
240 dev->interrupt->transfer_flags |= URB_FREE_BUFFER; in init_status()
241 dev_dbg(&intf->dev, in init_status()
250 int usbnet_status_start(struct usbnet *dev, gfp_t mem_flags) in usbnet_status_start() argument
254 WARN_ON_ONCE(dev->interrupt == NULL); in usbnet_status_start()
255 if (dev->interrupt) { in usbnet_status_start()
256 mutex_lock(&dev->interrupt_mutex); in usbnet_status_start()
258 if (++dev->interrupt_count == 1) in usbnet_status_start()
259 ret = usb_submit_urb(dev->interrupt, mem_flags); in usbnet_status_start()
261 dev_dbg(&dev->udev->dev, "incremented interrupt URB count to %d\n", in usbnet_status_start()
262 dev->interrupt_count); in usbnet_status_start()
263 mutex_unlock(&dev->interrupt_mutex); in usbnet_status_start()
270 static int __usbnet_status_start_force(struct usbnet *dev, gfp_t mem_flags) in __usbnet_status_start_force() argument
274 mutex_lock(&dev->interrupt_mutex); in __usbnet_status_start_force()
275 if (dev->interrupt_count) { in __usbnet_status_start_force()
276 ret = usb_submit_urb(dev->interrupt, mem_flags); in __usbnet_status_start_force()
277 dev_dbg(&dev->udev->dev, in __usbnet_status_start_force()
280 mutex_unlock(&dev->interrupt_mutex); in __usbnet_status_start_force()
285 void usbnet_status_stop(struct usbnet *dev) in usbnet_status_stop() argument
287 if (dev->interrupt) { in usbnet_status_stop()
288 mutex_lock(&dev->interrupt_mutex); in usbnet_status_stop()
289 WARN_ON(dev->interrupt_count == 0); in usbnet_status_stop()
291 if (dev->interrupt_count && --dev->interrupt_count == 0) in usbnet_status_stop()
292 usb_kill_urb(dev->interrupt); in usbnet_status_stop()
294 dev_dbg(&dev->udev->dev, in usbnet_status_stop()
296 dev->interrupt_count); in usbnet_status_stop()
297 mutex_unlock(&dev->interrupt_mutex); in usbnet_status_stop()
303 static void __usbnet_status_stop_force(struct usbnet *dev) in __usbnet_status_stop_force() argument
305 if (dev->interrupt) { in __usbnet_status_stop_force()
306 mutex_lock(&dev->interrupt_mutex); in __usbnet_status_stop_force()
307 usb_kill_urb(dev->interrupt); in __usbnet_status_stop_force()
308 dev_dbg(&dev->udev->dev, "killed interrupt URB for suspend\n"); in __usbnet_status_stop_force()
309 mutex_unlock(&dev->interrupt_mutex); in __usbnet_status_stop_force()
317 void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb) in usbnet_skb_return() argument
321 if (test_bit(EVENT_RX_PAUSED, &dev->flags)) { in usbnet_skb_return()
322 skb_queue_tail(&dev->rxq_pause, skb); in usbnet_skb_return()
326 skb->protocol = eth_type_trans (skb, dev->net); in usbnet_skb_return()
327 dev->net->stats.rx_packets++; in usbnet_skb_return()
328 dev->net->stats.rx_bytes += skb->len; in usbnet_skb_return()
330 netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", in usbnet_skb_return()
339 netif_dbg(dev, rx_err, dev->net, in usbnet_skb_return()
345 void usbnet_update_max_qlen(struct usbnet *dev) in usbnet_update_max_qlen() argument
347 enum usb_device_speed speed = dev->udev->speed; in usbnet_update_max_qlen()
351 dev->rx_qlen = MAX_QUEUE_MEMORY / dev->rx_urb_size; in usbnet_update_max_qlen()
352 dev->tx_qlen = MAX_QUEUE_MEMORY / dev->hard_mtu; in usbnet_update_max_qlen()
360 dev->rx_qlen = 5 * MAX_QUEUE_MEMORY / dev->rx_urb_size; in usbnet_update_max_qlen()
361 dev->tx_qlen = 5 * MAX_QUEUE_MEMORY / dev->hard_mtu; in usbnet_update_max_qlen()
364 dev->rx_qlen = dev->tx_qlen = 4; in usbnet_update_max_qlen()
378 struct usbnet *dev = netdev_priv(net); in usbnet_change_mtu() local
380 int old_hard_mtu = dev->hard_mtu; in usbnet_change_mtu()
381 int old_rx_urb_size = dev->rx_urb_size; in usbnet_change_mtu()
386 if ((ll_mtu % dev->maxpacket) == 0) in usbnet_change_mtu()
390 dev->hard_mtu = net->mtu + net->hard_header_len; in usbnet_change_mtu()
391 if (dev->rx_urb_size == old_hard_mtu) { in usbnet_change_mtu()
392 dev->rx_urb_size = dev->hard_mtu; in usbnet_change_mtu()
393 if (dev->rx_urb_size > old_rx_urb_size) in usbnet_change_mtu()
394 usbnet_unlink_rx_urbs(dev); in usbnet_change_mtu()
398 usbnet_update_max_qlen(dev); in usbnet_change_mtu()
420 static enum skb_state defer_bh(struct usbnet *dev, struct sk_buff *skb, in defer_bh() argument
432 spin_lock(&dev->done.lock); in defer_bh()
433 __skb_queue_tail(&dev->done, skb); in defer_bh()
434 if (dev->done.qlen == 1) in defer_bh()
435 tasklet_schedule(&dev->bh); in defer_bh()
436 spin_unlock_irqrestore(&dev->done.lock, flags); in defer_bh()
445 void usbnet_defer_kevent (struct usbnet *dev, int work) in usbnet_defer_kevent() argument
447 set_bit (work, &dev->flags); in usbnet_defer_kevent()
448 if (!schedule_work (&dev->kevent)) { in usbnet_defer_kevent()
450 netdev_err(dev->net, "kevent %d may have been dropped\n", work); in usbnet_defer_kevent()
452 netdev_dbg(dev->net, "kevent %d scheduled\n", work); in usbnet_defer_kevent()
461 static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) in rx_submit() argument
467 size_t size = dev->rx_urb_size; in rx_submit()
470 if (test_bit(EVENT_RX_KILL, &dev->flags)) { in rx_submit()
475 skb = __netdev_alloc_skb_ip_align(dev->net, size, flags); in rx_submit()
477 netif_dbg(dev, rx_err, dev->net, "no rx skb\n"); in rx_submit()
478 usbnet_defer_kevent (dev, EVENT_RX_MEMORY); in rx_submit()
485 entry->dev = dev; in rx_submit()
488 usb_fill_bulk_urb (urb, dev->udev, dev->in, in rx_submit()
491 spin_lock_irqsave (&dev->rxq.lock, lockflags); in rx_submit()
493 if (netif_running (dev->net) && in rx_submit()
494 netif_device_present (dev->net) && in rx_submit()
495 !test_bit (EVENT_RX_HALT, &dev->flags) && in rx_submit()
496 !test_bit (EVENT_DEV_ASLEEP, &dev->flags)) { in rx_submit()
499 usbnet_defer_kevent (dev, EVENT_RX_HALT); in rx_submit()
502 usbnet_defer_kevent (dev, EVENT_RX_MEMORY); in rx_submit()
505 netif_dbg(dev, ifdown, dev->net, "device gone\n"); in rx_submit()
506 netif_device_detach (dev->net); in rx_submit()
512 netif_dbg(dev, rx_err, dev->net, in rx_submit()
514 tasklet_schedule (&dev->bh); in rx_submit()
517 __usbnet_queue_skb(&dev->rxq, skb, rx_start); in rx_submit()
520 netif_dbg(dev, ifdown, dev->net, "rx: stopped\n"); in rx_submit()
523 spin_unlock_irqrestore (&dev->rxq.lock, lockflags); in rx_submit()
534 static inline void rx_process (struct usbnet *dev, struct sk_buff *skb) in rx_process() argument
536 if (dev->driver_info->rx_fixup && in rx_process()
537 !dev->driver_info->rx_fixup (dev, skb)) { in rx_process()
539 if (!(dev->driver_info->flags & FLAG_RX_ASSEMBLE)) in rx_process()
540 dev->net->stats.rx_errors++; in rx_process()
546 if (dev->driver_info->flags & FLAG_MULTI_PACKET) in rx_process()
550 dev->net->stats.rx_errors++; in rx_process()
551 dev->net->stats.rx_length_errors++; in rx_process()
552 netif_dbg(dev, rx_err, dev->net, "rx length %d\n", skb->len); in rx_process()
554 usbnet_skb_return(dev, skb); in rx_process()
559 skb_queue_tail(&dev->done, skb); in rx_process()
568 struct usbnet *dev = entry->dev; in rx_complete() local
587 dev->net->stats.rx_errors++; in rx_complete()
588 usbnet_defer_kevent (dev, EVENT_RX_HALT); in rx_complete()
594 netif_dbg(dev, ifdown, dev->net, in rx_complete()
605 dev->net->stats.rx_errors++; in rx_complete()
606 if (!timer_pending (&dev->delay)) { in rx_complete()
607 mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES); in rx_complete()
608 netif_dbg(dev, link, dev->net, in rx_complete()
619 dev->net->stats.rx_over_errors++; in rx_complete()
624 dev->net->stats.rx_errors++; in rx_complete()
625 netif_dbg(dev, rx_err, dev->net, "rx status %d\n", urb_status); in rx_complete()
630 if (++dev->pkt_cnt > 30) { in rx_complete()
631 dev->pkt_cnt = 0; in rx_complete()
632 dev->pkt_err = 0; in rx_complete()
635 dev->pkt_err++; in rx_complete()
636 if (dev->pkt_err > 20) in rx_complete()
637 set_bit(EVENT_RX_KILL, &dev->flags); in rx_complete()
640 state = defer_bh(dev, skb, &dev->rxq, state); in rx_complete()
643 if (netif_running (dev->net) && in rx_complete()
644 !test_bit (EVENT_RX_HALT, &dev->flags) && in rx_complete()
646 rx_submit (dev, urb, GFP_ATOMIC); in rx_complete()
647 usb_mark_last_busy(dev->udev); in rx_complete()
652 netif_dbg(dev, rx_err, dev->net, "no read resubmitted\n"); in rx_complete()
656 void usbnet_pause_rx(struct usbnet *dev) in usbnet_pause_rx() argument
658 set_bit(EVENT_RX_PAUSED, &dev->flags); in usbnet_pause_rx()
660 netif_dbg(dev, rx_status, dev->net, "paused rx queue enabled\n"); in usbnet_pause_rx()
664 void usbnet_resume_rx(struct usbnet *dev) in usbnet_resume_rx() argument
669 clear_bit(EVENT_RX_PAUSED, &dev->flags); in usbnet_resume_rx()
671 while ((skb = skb_dequeue(&dev->rxq_pause)) != NULL) { in usbnet_resume_rx()
672 usbnet_skb_return(dev, skb); in usbnet_resume_rx()
676 tasklet_schedule(&dev->bh); in usbnet_resume_rx()
678 netif_dbg(dev, rx_status, dev->net, in usbnet_resume_rx()
683 void usbnet_purge_paused_rxq(struct usbnet *dev) in usbnet_purge_paused_rxq() argument
685 skb_queue_purge(&dev->rxq_pause); in usbnet_purge_paused_rxq()
693 static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q) in unlink_urbs() argument
728 netdev_dbg(dev->net, "unlink urb err, %d\n", retval); in unlink_urbs()
741 void usbnet_unlink_rx_urbs(struct usbnet *dev) in usbnet_unlink_rx_urbs() argument
743 if (netif_running(dev->net)) { in usbnet_unlink_rx_urbs()
744 (void) unlink_urbs (dev, &dev->rxq); in usbnet_unlink_rx_urbs()
745 tasklet_schedule(&dev->bh); in usbnet_unlink_rx_urbs()
753 static void usbnet_terminate_urbs(struct usbnet *dev) in usbnet_terminate_urbs() argument
759 add_wait_queue(&dev->wait, &wait); in usbnet_terminate_urbs()
761 temp = unlink_urbs(dev, &dev->txq) + in usbnet_terminate_urbs()
762 unlink_urbs(dev, &dev->rxq); in usbnet_terminate_urbs()
765 while (!skb_queue_empty(&dev->rxq) in usbnet_terminate_urbs()
766 && !skb_queue_empty(&dev->txq) in usbnet_terminate_urbs()
767 && !skb_queue_empty(&dev->done)) { in usbnet_terminate_urbs()
770 netif_dbg(dev, ifdown, dev->net, in usbnet_terminate_urbs()
774 remove_wait_queue(&dev->wait, &wait); in usbnet_terminate_urbs()
779 struct usbnet *dev = netdev_priv(net); in usbnet_stop() local
780 struct driver_info *info = dev->driver_info; in usbnet_stop()
783 clear_bit(EVENT_DEV_OPEN, &dev->flags); in usbnet_stop()
786 netif_info(dev, ifdown, dev->net, in usbnet_stop()
792 pm = usb_autopm_get_interface(dev->intf); in usbnet_stop()
796 retval = info->stop(dev); in usbnet_stop()
798 netif_info(dev, ifdown, dev->net, in usbnet_stop()
801 dev->udev->bus->bus_name, dev->udev->devpath, in usbnet_stop()
806 usbnet_terminate_urbs(dev); in usbnet_stop()
808 usbnet_status_stop(dev); in usbnet_stop()
810 usbnet_purge_paused_rxq(dev); in usbnet_stop()
812 mpn = !test_and_clear_bit(EVENT_NO_RUNTIME_PM, &dev->flags); in usbnet_stop()
818 dev->flags = 0; in usbnet_stop()
819 del_timer_sync (&dev->delay); in usbnet_stop()
820 tasklet_kill (&dev->bh); in usbnet_stop()
822 usb_autopm_put_interface(dev->intf); in usbnet_stop()
825 info->manage_power(dev, 0); in usbnet_stop()
827 usb_autopm_put_interface(dev->intf); in usbnet_stop()
841 struct usbnet *dev = netdev_priv(net); in usbnet_open() local
843 struct driver_info *info = dev->driver_info; in usbnet_open()
845 if ((retval = usb_autopm_get_interface(dev->intf)) < 0) { in usbnet_open()
846 netif_info(dev, ifup, dev->net, in usbnet_open()
849 dev->udev->bus->bus_name, in usbnet_open()
850 dev->udev->devpath, in usbnet_open()
856 if (info->reset && (retval = info->reset (dev)) < 0) { in usbnet_open()
857 netif_info(dev, ifup, dev->net, in usbnet_open()
860 dev->udev->bus->bus_name, in usbnet_open()
861 dev->udev->devpath, in usbnet_open()
867 usbnet_update_max_qlen(dev); in usbnet_open()
870 if (info->check_connect && (retval = info->check_connect (dev)) < 0) { in usbnet_open()
871 netif_dbg(dev, ifup, dev->net, "can't open; %d\n", retval); in usbnet_open()
876 if (dev->interrupt) { in usbnet_open()
877 retval = usbnet_status_start(dev, GFP_KERNEL); in usbnet_open()
879 netif_err(dev, ifup, dev->net, in usbnet_open()
885 set_bit(EVENT_DEV_OPEN, &dev->flags); in usbnet_open()
887 netif_info(dev, ifup, dev->net, in usbnet_open()
889 (int)RX_QLEN(dev), (int)TX_QLEN(dev), in usbnet_open()
890 dev->net->mtu, in usbnet_open()
891 (dev->driver_info->flags & FLAG_FRAMING_NC) ? "NetChip" : in usbnet_open()
892 (dev->driver_info->flags & FLAG_FRAMING_GL) ? "GeneSys" : in usbnet_open()
893 (dev->driver_info->flags & FLAG_FRAMING_Z) ? "Zaurus" : in usbnet_open()
894 (dev->driver_info->flags & FLAG_FRAMING_RN) ? "RNDIS" : in usbnet_open()
895 (dev->driver_info->flags & FLAG_FRAMING_AX) ? "ASIX" : in usbnet_open()
899 dev->pkt_cnt = 0; in usbnet_open()
900 dev->pkt_err = 0; in usbnet_open()
901 clear_bit(EVENT_RX_KILL, &dev->flags); in usbnet_open()
904 tasklet_schedule (&dev->bh); in usbnet_open()
906 retval = info->manage_power(dev, 1); in usbnet_open()
909 set_bit(EVENT_NO_RUNTIME_PM, &dev->flags); in usbnet_open()
911 usb_autopm_put_interface(dev->intf); in usbnet_open()
916 usb_autopm_put_interface(dev->intf); in usbnet_open()
930 struct usbnet *dev = netdev_priv(net); in usbnet_get_settings() local
932 if (!dev->mii.mdio_read) in usbnet_get_settings()
935 return mii_ethtool_gset(&dev->mii, cmd); in usbnet_get_settings()
941 struct usbnet *dev = netdev_priv(net); in usbnet_set_settings() local
944 if (!dev->mii.mdio_write) in usbnet_set_settings()
947 retval = mii_ethtool_sset(&dev->mii, cmd); in usbnet_set_settings()
950 if (dev->driver_info->link_reset) in usbnet_set_settings()
951 dev->driver_info->link_reset(dev); in usbnet_set_settings()
954 usbnet_update_max_qlen(dev); in usbnet_set_settings()
963 struct usbnet *dev = netdev_priv(net); in usbnet_get_link() local
966 if (dev->driver_info->check_connect) in usbnet_get_link()
967 return dev->driver_info->check_connect (dev) == 0; in usbnet_get_link()
970 if (dev->mii.mdio_read) in usbnet_get_link()
971 return mii_link_ok(&dev->mii); in usbnet_get_link()
980 struct usbnet *dev = netdev_priv(net); in usbnet_nway_reset() local
982 if (!dev->mii.mdio_write) in usbnet_nway_reset()
985 return mii_nway_restart(&dev->mii); in usbnet_nway_reset()
991 struct usbnet *dev = netdev_priv(net); in usbnet_get_drvinfo() local
993 strlcpy (info->driver, dev->driver_name, sizeof info->driver); in usbnet_get_drvinfo()
995 strlcpy (info->fw_version, dev->driver_info->description, in usbnet_get_drvinfo()
997 usb_make_path (dev->udev, info->bus_info, sizeof info->bus_info); in usbnet_get_drvinfo()
1003 struct usbnet *dev = netdev_priv(net); in usbnet_get_msglevel() local
1005 return dev->msg_enable; in usbnet_get_msglevel()
1011 struct usbnet *dev = netdev_priv(net); in usbnet_set_msglevel() local
1013 dev->msg_enable = level; in usbnet_set_msglevel()
1031 static void __handle_link_change(struct usbnet *dev) in __handle_link_change() argument
1033 if (!test_bit(EVENT_DEV_OPEN, &dev->flags)) in __handle_link_change()
1036 if (!netif_carrier_ok(dev->net)) { in __handle_link_change()
1038 unlink_urbs(dev, &dev->rxq); in __handle_link_change()
1046 tasklet_schedule(&dev->bh); in __handle_link_change()
1050 usbnet_update_max_qlen(dev); in __handle_link_change()
1052 clear_bit(EVENT_LINK_CHANGE, &dev->flags); in __handle_link_change()
1057 struct usbnet *dev = netdev_priv(net); in usbnet_set_rx_mode() local
1059 usbnet_defer_kevent(dev, EVENT_SET_RX_MODE); in usbnet_set_rx_mode()
1062 static void __handle_set_rx_mode(struct usbnet *dev) in __handle_set_rx_mode() argument
1064 if (dev->driver_info->set_rx_mode) in __handle_set_rx_mode()
1065 (dev->driver_info->set_rx_mode)(dev); in __handle_set_rx_mode()
1067 clear_bit(EVENT_SET_RX_MODE, &dev->flags); in __handle_set_rx_mode()
1078 struct usbnet *dev = in usbnet_deferred_kevent() local
1083 if (test_bit (EVENT_TX_HALT, &dev->flags)) { in usbnet_deferred_kevent()
1084 unlink_urbs (dev, &dev->txq); in usbnet_deferred_kevent()
1085 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1088 status = usb_clear_halt (dev->udev, dev->out); in usbnet_deferred_kevent()
1089 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1093 if (netif_msg_tx_err (dev)) in usbnet_deferred_kevent()
1095 netdev_err(dev->net, "can't clear tx halt, status %d\n", in usbnet_deferred_kevent()
1098 clear_bit (EVENT_TX_HALT, &dev->flags); in usbnet_deferred_kevent()
1100 netif_wake_queue (dev->net); in usbnet_deferred_kevent()
1103 if (test_bit (EVENT_RX_HALT, &dev->flags)) { in usbnet_deferred_kevent()
1104 unlink_urbs (dev, &dev->rxq); in usbnet_deferred_kevent()
1105 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1108 status = usb_clear_halt (dev->udev, dev->in); in usbnet_deferred_kevent()
1109 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1113 if (netif_msg_rx_err (dev)) in usbnet_deferred_kevent()
1115 netdev_err(dev->net, "can't clear rx halt, status %d\n", in usbnet_deferred_kevent()
1118 clear_bit (EVENT_RX_HALT, &dev->flags); in usbnet_deferred_kevent()
1119 tasklet_schedule (&dev->bh); in usbnet_deferred_kevent()
1124 if (test_bit (EVENT_RX_MEMORY, &dev->flags)) { in usbnet_deferred_kevent()
1128 if (netif_running (dev->net)) in usbnet_deferred_kevent()
1131 clear_bit (EVENT_RX_MEMORY, &dev->flags); in usbnet_deferred_kevent()
1133 clear_bit (EVENT_RX_MEMORY, &dev->flags); in usbnet_deferred_kevent()
1134 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1139 if (rx_submit (dev, urb, GFP_KERNEL) == -ENOLINK) in usbnet_deferred_kevent()
1141 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1144 tasklet_schedule (&dev->bh); in usbnet_deferred_kevent()
1148 if (test_bit (EVENT_LINK_RESET, &dev->flags)) { in usbnet_deferred_kevent()
1149 struct driver_info *info = dev->driver_info; in usbnet_deferred_kevent()
1152 clear_bit (EVENT_LINK_RESET, &dev->flags); in usbnet_deferred_kevent()
1153 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1156 if(info->link_reset && (retval = info->link_reset(dev)) < 0) { in usbnet_deferred_kevent()
1157 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1159 netdev_info(dev->net, "link reset failed (%d) usbnet usb-%s-%s, %s\n", in usbnet_deferred_kevent()
1161 dev->udev->bus->bus_name, in usbnet_deferred_kevent()
1162 dev->udev->devpath, in usbnet_deferred_kevent()
1165 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1169 __handle_link_change(dev); in usbnet_deferred_kevent()
1172 if (test_bit (EVENT_LINK_CHANGE, &dev->flags)) in usbnet_deferred_kevent()
1173 __handle_link_change(dev); in usbnet_deferred_kevent()
1175 if (test_bit (EVENT_SET_RX_MODE, &dev->flags)) in usbnet_deferred_kevent()
1176 __handle_set_rx_mode(dev); in usbnet_deferred_kevent()
1179 if (dev->flags) in usbnet_deferred_kevent()
1180 netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n", dev->flags); in usbnet_deferred_kevent()
1189 struct usbnet *dev = entry->dev; in tx_complete() local
1192 dev->net->stats.tx_packets += entry->packets; in tx_complete()
1193 dev->net->stats.tx_bytes += entry->length; in tx_complete()
1195 dev->net->stats.tx_errors++; in tx_complete()
1199 usbnet_defer_kevent (dev, EVENT_TX_HALT); in tx_complete()
1213 usb_mark_last_busy(dev->udev); in tx_complete()
1214 if (!timer_pending (&dev->delay)) { in tx_complete()
1215 mod_timer (&dev->delay, in tx_complete()
1217 netif_dbg(dev, link, dev->net, in tx_complete()
1220 netif_stop_queue (dev->net); in tx_complete()
1223 netif_dbg(dev, tx_err, dev->net, in tx_complete()
1229 usb_autopm_put_interface_async(dev->intf); in tx_complete()
1230 (void) defer_bh(dev, skb, &dev->txq, tx_done); in tx_complete()
1237 struct usbnet *dev = netdev_priv(net); in usbnet_tx_timeout() local
1239 unlink_urbs (dev, &dev->txq); in usbnet_tx_timeout()
1240 tasklet_schedule (&dev->bh); in usbnet_tx_timeout()
1245 if (dev->driver_info->recover) in usbnet_tx_timeout()
1246 (dev->driver_info->recover)(dev); in usbnet_tx_timeout()
1288 struct usbnet *dev = netdev_priv(net); in usbnet_start_xmit() local
1292 struct driver_info *info = dev->driver_info; in usbnet_start_xmit()
1302 skb = info->tx_fixup (dev, skb, GFP_ATOMIC); in usbnet_start_xmit()
1307 netif_dbg(dev, tx_err, dev->net, "can't tx_fixup skb\n"); in usbnet_start_xmit()
1313 netif_dbg(dev, tx_err, dev->net, "no urb\n"); in usbnet_start_xmit()
1319 entry->dev = dev; in usbnet_start_xmit()
1321 usb_fill_bulk_urb (urb, dev->udev, dev->out, in usbnet_start_xmit()
1323 if (dev->can_dma_sg) { in usbnet_start_xmit()
1336 if (length % dev->maxpacket == 0) { in usbnet_start_xmit()
1345 dev->padding_pkt, 1); in usbnet_start_xmit()
1364 spin_lock_irqsave(&dev->txq.lock, flags); in usbnet_start_xmit()
1365 retval = usb_autopm_get_interface_async(dev->intf); in usbnet_start_xmit()
1367 spin_unlock_irqrestore(&dev->txq.lock, flags); in usbnet_start_xmit()
1373 if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) { in usbnet_start_xmit()
1375 usb_anchor_urb(urb, &dev->deferred); in usbnet_start_xmit()
1379 spin_unlock_irqrestore(&dev->txq.lock, flags); in usbnet_start_xmit()
1380 netdev_dbg(dev->net, "Delaying transmission for resumption\n"); in usbnet_start_xmit()
1388 usbnet_defer_kevent (dev, EVENT_TX_HALT); in usbnet_start_xmit()
1389 usb_autopm_put_interface_async(dev->intf); in usbnet_start_xmit()
1392 usb_autopm_put_interface_async(dev->intf); in usbnet_start_xmit()
1393 netif_dbg(dev, tx_err, dev->net, in usbnet_start_xmit()
1398 __usbnet_queue_skb(&dev->txq, skb, tx_start); in usbnet_start_xmit()
1399 if (dev->txq.qlen >= TX_QLEN (dev)) in usbnet_start_xmit()
1402 spin_unlock_irqrestore (&dev->txq.lock, flags); in usbnet_start_xmit()
1405 netif_dbg(dev, tx_err, dev->net, "drop, code %d\n", retval); in usbnet_start_xmit()
1407 dev->net->stats.tx_dropped++; in usbnet_start_xmit()
1416 netif_dbg(dev, tx_queued, dev->net, in usbnet_start_xmit()
1425 static int rx_alloc_submit(struct usbnet *dev, gfp_t flags) in rx_alloc_submit() argument
1432 for (i = 0; i < 10 && dev->rxq.qlen < RX_QLEN(dev); i++) { in rx_alloc_submit()
1435 ret = rx_submit(dev, urb, flags); in rx_alloc_submit()
1453 struct usbnet *dev = (struct usbnet *) param; in usbnet_bh() local
1457 while ((skb = skb_dequeue (&dev->done))) { in usbnet_bh()
1462 rx_process (dev, skb); in usbnet_bh()
1471 netdev_dbg(dev->net, "bogus skb state %d\n", entry->state); in usbnet_bh()
1476 clear_bit(EVENT_RX_KILL, &dev->flags); in usbnet_bh()
1481 if (waitqueue_active(&dev->wait)) { in usbnet_bh()
1482 if (dev->txq.qlen + dev->rxq.qlen + dev->done.qlen == 0) in usbnet_bh()
1483 wake_up_all(&dev->wait); in usbnet_bh()
1486 } else if (netif_running (dev->net) && in usbnet_bh()
1487 netif_device_present (dev->net) && in usbnet_bh()
1488 netif_carrier_ok(dev->net) && in usbnet_bh()
1489 !timer_pending (&dev->delay) && in usbnet_bh()
1490 !test_bit (EVENT_RX_HALT, &dev->flags)) { in usbnet_bh()
1491 int temp = dev->rxq.qlen; in usbnet_bh()
1493 if (temp < RX_QLEN(dev)) { in usbnet_bh()
1494 if (rx_alloc_submit(dev, GFP_ATOMIC) == -ENOLINK) in usbnet_bh()
1496 if (temp != dev->rxq.qlen) in usbnet_bh()
1497 netif_dbg(dev, link, dev->net, in usbnet_bh()
1499 temp, dev->rxq.qlen); in usbnet_bh()
1500 if (dev->rxq.qlen < RX_QLEN(dev)) in usbnet_bh()
1501 tasklet_schedule (&dev->bh); in usbnet_bh()
1503 if (dev->txq.qlen < TX_QLEN (dev)) in usbnet_bh()
1504 netif_wake_queue (dev->net); in usbnet_bh()
1519 struct usbnet *dev; in usbnet_disconnect() local
1523 dev = usb_get_intfdata(intf); in usbnet_disconnect()
1525 if (!dev) in usbnet_disconnect()
1530 netif_info(dev, probe, dev->net, "unregister '%s' usb-%s-%s, %s\n", in usbnet_disconnect()
1531 intf->dev.driver->name, in usbnet_disconnect()
1533 dev->driver_info->description); in usbnet_disconnect()
1535 net = dev->net; in usbnet_disconnect()
1538 cancel_work_sync(&dev->kevent); in usbnet_disconnect()
1540 usb_scuttle_anchored_urbs(&dev->deferred); in usbnet_disconnect()
1542 if (dev->driver_info->unbind) in usbnet_disconnect()
1543 dev->driver_info->unbind (dev, intf); in usbnet_disconnect()
1545 usb_kill_urb(dev->interrupt); in usbnet_disconnect()
1546 usb_free_urb(dev->interrupt); in usbnet_disconnect()
1547 kfree(dev->padding_pkt); in usbnet_disconnect()
1579 struct usbnet *dev; in usbnet_probe() local
1586 struct usb_driver *driver = to_usb_driver(udev->dev.driver); in usbnet_probe()
1594 pm_runtime_enable(&udev->dev); in usbnet_probe()
1597 name = udev->dev.driver->name; in usbnet_probe()
1600 dev_dbg (&udev->dev, "blacklisted by %s\n", name); in usbnet_probe()
1609 net = alloc_etherdev(sizeof(*dev)); in usbnet_probe()
1614 SET_NETDEV_DEV(net, &udev->dev); in usbnet_probe()
1616 dev = netdev_priv(net); in usbnet_probe()
1617 dev->udev = xdev; in usbnet_probe()
1618 dev->intf = udev; in usbnet_probe()
1619 dev->driver_info = info; in usbnet_probe()
1620 dev->driver_name = name; in usbnet_probe()
1621 dev->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV in usbnet_probe()
1623 init_waitqueue_head(&dev->wait); in usbnet_probe()
1624 skb_queue_head_init (&dev->rxq); in usbnet_probe()
1625 skb_queue_head_init (&dev->txq); in usbnet_probe()
1626 skb_queue_head_init (&dev->done); in usbnet_probe()
1627 skb_queue_head_init(&dev->rxq_pause); in usbnet_probe()
1628 dev->bh.func = usbnet_bh; in usbnet_probe()
1629 dev->bh.data = (unsigned long) dev; in usbnet_probe()
1630 INIT_WORK (&dev->kevent, usbnet_deferred_kevent); in usbnet_probe()
1631 init_usb_anchor(&dev->deferred); in usbnet_probe()
1632 dev->delay.function = usbnet_bh; in usbnet_probe()
1633 dev->delay.data = (unsigned long) dev; in usbnet_probe()
1634 init_timer (&dev->delay); in usbnet_probe()
1635 mutex_init (&dev->phy_mutex); in usbnet_probe()
1636 mutex_init(&dev->interrupt_mutex); in usbnet_probe()
1637 dev->interrupt_count = 0; in usbnet_probe()
1639 dev->net = net; in usbnet_probe()
1646 dev->hard_mtu = net->mtu + net->hard_header_len; in usbnet_probe()
1650 if (dma_supported (&udev->dev, DMA_BIT_MASK(64))) in usbnet_probe()
1661 status = info->bind (dev, udev); in usbnet_probe()
1668 if ((dev->driver_info->flags & FLAG_ETHER) != 0 && in usbnet_probe()
1669 ((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 || in usbnet_probe()
1673 if ((dev->driver_info->flags & FLAG_WLAN) != 0) in usbnet_probe()
1676 if ((dev->driver_info->flags & FLAG_WWAN) != 0) in usbnet_probe()
1680 if ((dev->driver_info->flags & FLAG_NOARP) != 0) in usbnet_probe()
1684 if (net->mtu > (dev->hard_mtu - net->hard_header_len)) in usbnet_probe()
1685 net->mtu = dev->hard_mtu - net->hard_header_len; in usbnet_probe()
1687 status = usbnet_get_endpoints (dev, udev); in usbnet_probe()
1689 dev->in = usb_rcvbulkpipe (xdev, info->in); in usbnet_probe()
1690 dev->out = usb_sndbulkpipe (xdev, info->out); in usbnet_probe()
1699 if (status >= 0 && dev->status) in usbnet_probe()
1700 status = init_status (dev, udev); in usbnet_probe()
1704 if (!dev->rx_urb_size) in usbnet_probe()
1705 dev->rx_urb_size = dev->hard_mtu; in usbnet_probe()
1706 dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1); in usbnet_probe()
1712 if ((dev->driver_info->flags & FLAG_WLAN) != 0) in usbnet_probe()
1714 if ((dev->driver_info->flags & FLAG_WWAN) != 0) in usbnet_probe()
1718 usbnet_update_max_qlen(dev); in usbnet_probe()
1720 if (dev->can_dma_sg && !(info->flags & FLAG_SEND_ZLP) && in usbnet_probe()
1722 dev->padding_pkt = kzalloc(1, GFP_KERNEL); in usbnet_probe()
1723 if (!dev->padding_pkt) { in usbnet_probe()
1732 netif_info(dev, probe, dev->net, in usbnet_probe()
1734 udev->dev.driver->name, in usbnet_probe()
1736 dev->driver_info->description, in usbnet_probe()
1740 usb_set_intfdata (udev, dev); in usbnet_probe()
1744 if (dev->driver_info->flags & FLAG_LINK_INTR) in usbnet_probe()
1745 usbnet_link_change(dev, 0, 0); in usbnet_probe()
1750 kfree(dev->padding_pkt); in usbnet_probe()
1752 usb_free_urb(dev->interrupt); in usbnet_probe()
1755 info->unbind (dev, udev); in usbnet_probe()
1772 struct usbnet *dev = usb_get_intfdata(intf); in usbnet_suspend() local
1774 if (!dev->suspend_count++) { in usbnet_suspend()
1775 spin_lock_irq(&dev->txq.lock); in usbnet_suspend()
1777 if (dev->txq.qlen && PMSG_IS_AUTO(message)) { in usbnet_suspend()
1778 dev->suspend_count--; in usbnet_suspend()
1779 spin_unlock_irq(&dev->txq.lock); in usbnet_suspend()
1782 set_bit(EVENT_DEV_ASLEEP, &dev->flags); in usbnet_suspend()
1783 spin_unlock_irq(&dev->txq.lock); in usbnet_suspend()
1789 netif_device_detach (dev->net); in usbnet_suspend()
1790 usbnet_terminate_urbs(dev); in usbnet_suspend()
1791 __usbnet_status_stop_force(dev); in usbnet_suspend()
1797 netif_device_attach (dev->net); in usbnet_suspend()
1805 struct usbnet *dev = usb_get_intfdata(intf); in usbnet_resume() local
1810 if (!--dev->suspend_count) { in usbnet_resume()
1812 __usbnet_status_start_force(dev, GFP_NOIO); in usbnet_resume()
1814 spin_lock_irq(&dev->txq.lock); in usbnet_resume()
1815 while ((res = usb_get_from_anchor(&dev->deferred))) { in usbnet_resume()
1823 usb_autopm_put_interface_async(dev->intf); in usbnet_resume()
1825 dev->net->trans_start = jiffies; in usbnet_resume()
1826 __skb_queue_tail(&dev->txq, skb); in usbnet_resume()
1831 clear_bit(EVENT_DEV_ASLEEP, &dev->flags); in usbnet_resume()
1832 spin_unlock_irq(&dev->txq.lock); in usbnet_resume()
1834 if (test_bit(EVENT_DEV_OPEN, &dev->flags)) { in usbnet_resume()
1838 if (netif_device_present(dev->net) && in usbnet_resume()
1839 !timer_pending(&dev->delay) && in usbnet_resume()
1840 !test_bit(EVENT_RX_HALT, &dev->flags)) in usbnet_resume()
1841 rx_alloc_submit(dev, GFP_NOIO); in usbnet_resume()
1843 if (!(dev->txq.qlen >= TX_QLEN(dev))) in usbnet_resume()
1844 netif_tx_wake_all_queues(dev->net); in usbnet_resume()
1845 tasklet_schedule (&dev->bh); in usbnet_resume()
1849 if (test_and_clear_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags)) in usbnet_resume()
1861 void usbnet_device_suggests_idle(struct usbnet *dev) in usbnet_device_suggests_idle() argument
1863 if (!test_and_set_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags)) { in usbnet_device_suggests_idle()
1864 dev->intf->needs_remote_wakeup = 1; in usbnet_device_suggests_idle()
1865 usb_autopm_put_interface_async(dev->intf); in usbnet_device_suggests_idle()
1873 int usbnet_manage_power(struct usbnet *dev, int on) in usbnet_manage_power() argument
1875 dev->intf->needs_remote_wakeup = on; in usbnet_manage_power()
1880 void usbnet_link_change(struct usbnet *dev, bool link, bool need_reset) in usbnet_link_change() argument
1884 netif_carrier_on(dev->net); in usbnet_link_change()
1886 netif_carrier_off(dev->net); in usbnet_link_change()
1889 usbnet_defer_kevent(dev, EVENT_LINK_RESET); in usbnet_link_change()
1891 usbnet_defer_kevent(dev, EVENT_LINK_CHANGE); in usbnet_link_change()
1896 static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in __usbnet_read_cmd() argument
1902 netdev_dbg(dev->net, "usbnet_read_cmd cmd=0x%02x reqtype=%02x" in __usbnet_read_cmd()
1912 err = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), in __usbnet_read_cmd()
1922 static int __usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in __usbnet_write_cmd() argument
1929 netdev_dbg(dev->net, "usbnet_write_cmd cmd=0x%02x reqtype=%02x" in __usbnet_write_cmd()
1939 err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), in __usbnet_write_cmd()
1952 int usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_read_cmd() argument
1957 if (usb_autopm_get_interface(dev->intf) < 0) in usbnet_read_cmd()
1959 ret = __usbnet_read_cmd(dev, cmd, reqtype, value, index, in usbnet_read_cmd()
1961 usb_autopm_put_interface(dev->intf); in usbnet_read_cmd()
1970 int usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd() argument
1975 if (usb_autopm_get_interface(dev->intf) < 0) in usbnet_write_cmd()
1977 ret = __usbnet_write_cmd(dev, cmd, reqtype, value, index, in usbnet_write_cmd()
1979 usb_autopm_put_interface(dev->intf); in usbnet_write_cmd()
1988 int usbnet_read_cmd_nopm(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_read_cmd_nopm() argument
1991 return __usbnet_read_cmd(dev, cmd, reqtype, value, index, in usbnet_read_cmd_nopm()
2000 int usbnet_write_cmd_nopm(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd_nopm() argument
2004 return __usbnet_write_cmd(dev, cmd, reqtype, value, index, in usbnet_write_cmd_nopm()
2015 dev_dbg(&urb->dev->dev, "%s failed with %d", in usbnet_async_cmd_cb()
2026 int usbnet_write_cmd_async(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd_async() argument
2034 netdev_dbg(dev->net, "usbnet_write_cmd cmd=0x%02x reqtype=%02x" in usbnet_write_cmd_async()
2040 netdev_err(dev->net, "Error allocating URB in" in usbnet_write_cmd_async()
2048 netdev_err(dev->net, "Error allocating buffer" in usbnet_write_cmd_async()
2064 usb_fill_control_urb(urb, dev->udev, in usbnet_write_cmd_async()
2065 usb_sndctrlpipe(dev->udev, 0), in usbnet_write_cmd_async()
2072 netdev_err(dev->net, "Error submitting the control" in usbnet_write_cmd_async()