Lines Matching refs:dev
48 #define RX_QLEN(dev) ((dev)->rx_qlen) argument
49 #define TX_QLEN(dev) ((dev)->tx_qlen) argument
89 int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf) in usbnet_get_endpoints() argument
144 !(dev->driver_info->flags & FLAG_NO_SETINT)) { in usbnet_get_endpoints()
145 tmp = usb_set_interface (dev->udev, alt->desc.bInterfaceNumber, in usbnet_get_endpoints()
151 dev->in = usb_rcvbulkpipe (dev->udev, in usbnet_get_endpoints()
153 dev->out = usb_sndbulkpipe (dev->udev, in usbnet_get_endpoints()
155 dev->status = status; in usbnet_get_endpoints()
160 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()
170 dev_dbg(&dev->udev->dev, in usbnet_get_ethernet_addr()
176 eth_hw_addr_set(dev->net, addr); in usbnet_get_ethernet_addr()
183 struct usbnet *dev = urb->context; in intr_complete() local
189 dev->driver_info->status(dev, urb); in intr_complete()
195 netif_dbg(dev, ifdown, dev->net, in intr_complete()
203 netdev_dbg(dev->net, "intr status %d\n", status); in intr_complete()
209 netif_err(dev, timer, dev->net, in intr_complete()
213 static int init_status (struct usbnet *dev, struct usb_interface *intf) in init_status() argument
220 if (!dev->driver_info->status) in init_status()
223 pipe = usb_rcvintpipe (dev->udev, in init_status()
224 dev->status->desc.bEndpointAddress in init_status()
226 maxp = usb_maxpacket(dev->udev, pipe); in init_status()
229 period = max ((int) dev->status->desc.bInterval, in init_status()
230 (dev->udev->speed == USB_SPEED_HIGH) ? 7 : 3); in init_status()
234 dev->interrupt = usb_alloc_urb (0, GFP_KERNEL); in init_status()
235 if (!dev->interrupt) { in init_status()
239 usb_fill_int_urb(dev->interrupt, dev->udev, pipe, in init_status()
240 buf, maxp, intr_complete, dev, period); in init_status()
241 dev->interrupt->transfer_flags |= URB_FREE_BUFFER; in init_status()
242 dev_dbg(&intf->dev, in init_status()
251 int usbnet_status_start(struct usbnet *dev, gfp_t mem_flags) in usbnet_status_start() argument
255 WARN_ON_ONCE(dev->interrupt == NULL); in usbnet_status_start()
256 if (dev->interrupt) { in usbnet_status_start()
257 mutex_lock(&dev->interrupt_mutex); in usbnet_status_start()
259 if (++dev->interrupt_count == 1) in usbnet_status_start()
260 ret = usb_submit_urb(dev->interrupt, mem_flags); in usbnet_status_start()
262 dev_dbg(&dev->udev->dev, "incremented interrupt URB count to %d\n", in usbnet_status_start()
263 dev->interrupt_count); in usbnet_status_start()
264 mutex_unlock(&dev->interrupt_mutex); in usbnet_status_start()
271 static int __usbnet_status_start_force(struct usbnet *dev, gfp_t mem_flags) in __usbnet_status_start_force() argument
275 mutex_lock(&dev->interrupt_mutex); in __usbnet_status_start_force()
276 if (dev->interrupt_count) { in __usbnet_status_start_force()
277 ret = usb_submit_urb(dev->interrupt, mem_flags); in __usbnet_status_start_force()
278 dev_dbg(&dev->udev->dev, in __usbnet_status_start_force()
281 mutex_unlock(&dev->interrupt_mutex); in __usbnet_status_start_force()
286 void usbnet_status_stop(struct usbnet *dev) in usbnet_status_stop() argument
288 if (dev->interrupt) { in usbnet_status_stop()
289 mutex_lock(&dev->interrupt_mutex); in usbnet_status_stop()
290 WARN_ON(dev->interrupt_count == 0); in usbnet_status_stop()
292 if (dev->interrupt_count && --dev->interrupt_count == 0) in usbnet_status_stop()
293 usb_kill_urb(dev->interrupt); in usbnet_status_stop()
295 dev_dbg(&dev->udev->dev, in usbnet_status_stop()
297 dev->interrupt_count); in usbnet_status_stop()
298 mutex_unlock(&dev->interrupt_mutex); in usbnet_status_stop()
304 static void __usbnet_status_stop_force(struct usbnet *dev) in __usbnet_status_stop_force() argument
306 if (dev->interrupt) { in __usbnet_status_stop_force()
307 mutex_lock(&dev->interrupt_mutex); in __usbnet_status_stop_force()
308 usb_kill_urb(dev->interrupt); in __usbnet_status_stop_force()
309 dev_dbg(&dev->udev->dev, "killed interrupt URB for suspend\n"); in __usbnet_status_stop_force()
310 mutex_unlock(&dev->interrupt_mutex); in __usbnet_status_stop_force()
318 void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb) in usbnet_skb_return() argument
320 struct pcpu_sw_netstats *stats64 = this_cpu_ptr(dev->net->tstats); in usbnet_skb_return()
324 if (test_bit(EVENT_RX_PAUSED, &dev->flags)) { in usbnet_skb_return()
325 skb_queue_tail(&dev->rxq_pause, skb); in usbnet_skb_return()
331 skb->protocol = eth_type_trans (skb, dev->net); in usbnet_skb_return()
338 netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", in usbnet_skb_return()
347 netif_dbg(dev, rx_err, dev->net, in usbnet_skb_return()
353 void usbnet_update_max_qlen(struct usbnet *dev) in usbnet_update_max_qlen() argument
355 enum usb_device_speed speed = dev->udev->speed; in usbnet_update_max_qlen()
357 if (!dev->rx_urb_size || !dev->hard_mtu) in usbnet_update_max_qlen()
361 dev->rx_qlen = MAX_QUEUE_MEMORY / dev->rx_urb_size; in usbnet_update_max_qlen()
362 dev->tx_qlen = MAX_QUEUE_MEMORY / dev->hard_mtu; in usbnet_update_max_qlen()
371 dev->rx_qlen = 5 * MAX_QUEUE_MEMORY / dev->rx_urb_size; in usbnet_update_max_qlen()
372 dev->tx_qlen = 5 * MAX_QUEUE_MEMORY / dev->hard_mtu; in usbnet_update_max_qlen()
376 dev->rx_qlen = dev->tx_qlen = 4; in usbnet_update_max_qlen()
390 struct usbnet *dev = netdev_priv(net); in usbnet_change_mtu() local
392 int old_hard_mtu = dev->hard_mtu; in usbnet_change_mtu()
393 int old_rx_urb_size = dev->rx_urb_size; in usbnet_change_mtu()
396 if ((ll_mtu % dev->maxpacket) == 0) in usbnet_change_mtu()
400 dev->hard_mtu = net->mtu + net->hard_header_len; in usbnet_change_mtu()
401 if (dev->rx_urb_size == old_hard_mtu) { in usbnet_change_mtu()
402 dev->rx_urb_size = dev->hard_mtu; in usbnet_change_mtu()
403 if (dev->rx_urb_size > old_rx_urb_size) { in usbnet_change_mtu()
404 usbnet_pause_rx(dev); in usbnet_change_mtu()
405 usbnet_unlink_rx_urbs(dev); in usbnet_change_mtu()
406 usbnet_resume_rx(dev); in usbnet_change_mtu()
411 usbnet_update_max_qlen(dev); in usbnet_change_mtu()
433 static enum skb_state defer_bh(struct usbnet *dev, struct sk_buff *skb, in defer_bh() argument
449 spin_lock_nested(&dev->done.lock, SINGLE_DEPTH_NESTING); in defer_bh()
451 __skb_queue_tail(&dev->done, skb); in defer_bh()
452 if (dev->done.qlen == 1) in defer_bh()
453 tasklet_schedule(&dev->bh); in defer_bh()
454 spin_unlock(&dev->done.lock); in defer_bh()
464 void usbnet_defer_kevent (struct usbnet *dev, int work) in usbnet_defer_kevent() argument
466 set_bit (work, &dev->flags); in usbnet_defer_kevent()
467 if (!schedule_work (&dev->kevent)) in usbnet_defer_kevent()
468 netdev_dbg(dev->net, "kevent %s may have been dropped\n", usbnet_event_names[work]); in usbnet_defer_kevent()
470 netdev_dbg(dev->net, "kevent %s scheduled\n", usbnet_event_names[work]); in usbnet_defer_kevent()
478 static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) in rx_submit() argument
484 size_t size = dev->rx_urb_size; in rx_submit()
487 if (test_bit(EVENT_RX_KILL, &dev->flags)) { in rx_submit()
492 if (test_bit(EVENT_NO_IP_ALIGN, &dev->flags)) in rx_submit()
493 skb = __netdev_alloc_skb(dev->net, size, flags); in rx_submit()
495 skb = __netdev_alloc_skb_ip_align(dev->net, size, flags); in rx_submit()
497 netif_dbg(dev, rx_err, dev->net, "no rx skb\n"); in rx_submit()
498 usbnet_defer_kevent (dev, EVENT_RX_MEMORY); in rx_submit()
505 entry->dev = dev; in rx_submit()
508 usb_fill_bulk_urb (urb, dev->udev, dev->in, in rx_submit()
511 spin_lock_irqsave (&dev->rxq.lock, lockflags); in rx_submit()
513 if (netif_running (dev->net) && in rx_submit()
514 netif_device_present (dev->net) && in rx_submit()
515 test_bit(EVENT_DEV_OPEN, &dev->flags) && in rx_submit()
516 !test_bit (EVENT_RX_HALT, &dev->flags) && in rx_submit()
517 !test_bit (EVENT_DEV_ASLEEP, &dev->flags)) { in rx_submit()
520 usbnet_defer_kevent (dev, EVENT_RX_HALT); in rx_submit()
523 usbnet_defer_kevent (dev, EVENT_RX_MEMORY); in rx_submit()
526 netif_dbg(dev, ifdown, dev->net, "device gone\n"); in rx_submit()
527 netif_device_detach (dev->net); in rx_submit()
533 netif_dbg(dev, rx_err, dev->net, in rx_submit()
535 tasklet_schedule (&dev->bh); in rx_submit()
538 __usbnet_queue_skb(&dev->rxq, skb, rx_start); in rx_submit()
541 netif_dbg(dev, ifdown, dev->net, "rx: stopped\n"); in rx_submit()
544 spin_unlock_irqrestore (&dev->rxq.lock, lockflags); in rx_submit()
555 static inline int rx_process(struct usbnet *dev, struct sk_buff *skb) in rx_process() argument
557 if (dev->driver_info->rx_fixup && in rx_process()
558 !dev->driver_info->rx_fixup (dev, skb)) { in rx_process()
560 if (!(dev->driver_info->flags & FLAG_RX_ASSEMBLE)) in rx_process()
561 dev->net->stats.rx_errors++; in rx_process()
567 if (dev->driver_info->flags & FLAG_MULTI_PACKET) in rx_process()
571 dev->net->stats.rx_errors++; in rx_process()
572 dev->net->stats.rx_length_errors++; in rx_process()
573 netif_dbg(dev, rx_err, dev->net, "rx length %d\n", skb->len); in rx_process()
577 usbnet_skb_return(dev, skb); in rx_process()
587 struct usbnet *dev = entry->dev; in rx_complete() local
606 dev->net->stats.rx_errors++; in rx_complete()
607 usbnet_defer_kevent (dev, EVENT_RX_HALT); in rx_complete()
613 netif_dbg(dev, ifdown, dev->net, in rx_complete()
624 dev->net->stats.rx_errors++; in rx_complete()
625 if (!timer_pending (&dev->delay)) { in rx_complete()
626 mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES); in rx_complete()
627 netif_dbg(dev, link, dev->net, in rx_complete()
638 dev->net->stats.rx_over_errors++; in rx_complete()
643 dev->net->stats.rx_errors++; in rx_complete()
644 netif_dbg(dev, rx_err, dev->net, "rx status %d\n", urb_status); in rx_complete()
649 if (++dev->pkt_cnt > 30) { in rx_complete()
650 dev->pkt_cnt = 0; in rx_complete()
651 dev->pkt_err = 0; in rx_complete()
654 dev->pkt_err++; in rx_complete()
655 if (dev->pkt_err > 20) in rx_complete()
656 set_bit(EVENT_RX_KILL, &dev->flags); in rx_complete()
659 state = defer_bh(dev, skb, &dev->rxq, state); in rx_complete()
662 if (netif_running (dev->net) && in rx_complete()
663 !test_bit (EVENT_RX_HALT, &dev->flags) && in rx_complete()
665 rx_submit (dev, urb, GFP_ATOMIC); in rx_complete()
666 usb_mark_last_busy(dev->udev); in rx_complete()
671 netif_dbg(dev, rx_err, dev->net, "no read resubmitted\n"); in rx_complete()
675 void usbnet_pause_rx(struct usbnet *dev) in usbnet_pause_rx() argument
677 set_bit(EVENT_RX_PAUSED, &dev->flags); in usbnet_pause_rx()
679 netif_dbg(dev, rx_status, dev->net, "paused rx queue enabled\n"); in usbnet_pause_rx()
683 void usbnet_resume_rx(struct usbnet *dev) in usbnet_resume_rx() argument
688 clear_bit(EVENT_RX_PAUSED, &dev->flags); in usbnet_resume_rx()
690 while ((skb = skb_dequeue(&dev->rxq_pause)) != NULL) { in usbnet_resume_rx()
691 usbnet_skb_return(dev, skb); in usbnet_resume_rx()
695 tasklet_schedule(&dev->bh); in usbnet_resume_rx()
697 netif_dbg(dev, rx_status, dev->net, in usbnet_resume_rx()
702 void usbnet_purge_paused_rxq(struct usbnet *dev) in usbnet_purge_paused_rxq() argument
704 skb_queue_purge(&dev->rxq_pause); in usbnet_purge_paused_rxq()
712 static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q) in unlink_urbs() argument
747 netdev_dbg(dev->net, "unlink urb err, %d\n", retval); in unlink_urbs()
760 void usbnet_unlink_rx_urbs(struct usbnet *dev) in usbnet_unlink_rx_urbs() argument
762 if (netif_running(dev->net)) { in usbnet_unlink_rx_urbs()
763 (void) unlink_urbs (dev, &dev->rxq); in usbnet_unlink_rx_urbs()
764 tasklet_schedule(&dev->bh); in usbnet_unlink_rx_urbs()
786 static void usbnet_terminate_urbs(struct usbnet *dev) in usbnet_terminate_urbs() argument
792 add_wait_queue(&dev->wait, &wait); in usbnet_terminate_urbs()
794 temp = unlink_urbs(dev, &dev->txq) + in usbnet_terminate_urbs()
795 unlink_urbs(dev, &dev->rxq); in usbnet_terminate_urbs()
798 wait_skb_queue_empty(&dev->rxq); in usbnet_terminate_urbs()
799 wait_skb_queue_empty(&dev->txq); in usbnet_terminate_urbs()
800 wait_skb_queue_empty(&dev->done); in usbnet_terminate_urbs()
801 netif_dbg(dev, ifdown, dev->net, in usbnet_terminate_urbs()
804 remove_wait_queue(&dev->wait, &wait); in usbnet_terminate_urbs()
809 struct usbnet *dev = netdev_priv(net); in usbnet_stop() local
810 const struct driver_info *info = dev->driver_info; in usbnet_stop()
813 clear_bit(EVENT_DEV_OPEN, &dev->flags); in usbnet_stop()
816 netif_info(dev, ifdown, dev->net, in usbnet_stop()
822 pm = usb_autopm_get_interface(dev->intf); in usbnet_stop()
826 retval = info->stop(dev); in usbnet_stop()
828 netif_info(dev, ifdown, dev->net, in usbnet_stop()
831 dev->udev->bus->bus_name, dev->udev->devpath, in usbnet_stop()
836 usbnet_terminate_urbs(dev); in usbnet_stop()
838 usbnet_status_stop(dev); in usbnet_stop()
840 usbnet_purge_paused_rxq(dev); in usbnet_stop()
842 mpn = !test_and_clear_bit(EVENT_NO_RUNTIME_PM, &dev->flags); in usbnet_stop()
845 dev->flags = 0; in usbnet_stop()
846 del_timer_sync (&dev->delay); in usbnet_stop()
847 tasklet_kill (&dev->bh); in usbnet_stop()
848 cancel_work_sync(&dev->kevent); in usbnet_stop()
850 usb_autopm_put_interface(dev->intf); in usbnet_stop()
853 info->manage_power(dev, 0); in usbnet_stop()
855 usb_autopm_put_interface(dev->intf); in usbnet_stop()
869 struct usbnet *dev = netdev_priv(net); in usbnet_open() local
871 const struct driver_info *info = dev->driver_info; in usbnet_open()
873 if ((retval = usb_autopm_get_interface(dev->intf)) < 0) { in usbnet_open()
874 netif_info(dev, ifup, dev->net, in usbnet_open()
877 dev->udev->bus->bus_name, in usbnet_open()
878 dev->udev->devpath, in usbnet_open()
884 if (info->reset && (retval = info->reset (dev)) < 0) { in usbnet_open()
885 netif_info(dev, ifup, dev->net, in usbnet_open()
888 dev->udev->bus->bus_name, in usbnet_open()
889 dev->udev->devpath, in usbnet_open()
895 usbnet_update_max_qlen(dev); in usbnet_open()
898 if (info->check_connect && (retval = info->check_connect (dev)) < 0) { in usbnet_open()
899 netif_err(dev, ifup, dev->net, "can't open; %d\n", retval); in usbnet_open()
904 if (dev->interrupt) { in usbnet_open()
905 retval = usbnet_status_start(dev, GFP_KERNEL); in usbnet_open()
907 netif_err(dev, ifup, dev->net, in usbnet_open()
913 set_bit(EVENT_DEV_OPEN, &dev->flags); in usbnet_open()
915 netif_info(dev, ifup, dev->net, in usbnet_open()
917 (int)RX_QLEN(dev), (int)TX_QLEN(dev), in usbnet_open()
918 dev->net->mtu, in usbnet_open()
919 (dev->driver_info->flags & FLAG_FRAMING_NC) ? "NetChip" : in usbnet_open()
920 (dev->driver_info->flags & FLAG_FRAMING_GL) ? "GeneSys" : in usbnet_open()
921 (dev->driver_info->flags & FLAG_FRAMING_Z) ? "Zaurus" : in usbnet_open()
922 (dev->driver_info->flags & FLAG_FRAMING_RN) ? "RNDIS" : in usbnet_open()
923 (dev->driver_info->flags & FLAG_FRAMING_AX) ? "ASIX" : in usbnet_open()
927 dev->pkt_cnt = 0; in usbnet_open()
928 dev->pkt_err = 0; in usbnet_open()
929 clear_bit(EVENT_RX_KILL, &dev->flags); in usbnet_open()
932 tasklet_schedule (&dev->bh); in usbnet_open()
934 retval = info->manage_power(dev, 1); in usbnet_open()
937 set_bit(EVENT_NO_RUNTIME_PM, &dev->flags); in usbnet_open()
939 usb_autopm_put_interface(dev->intf); in usbnet_open()
944 usb_autopm_put_interface(dev->intf); in usbnet_open()
962 struct usbnet *dev = netdev_priv(net); in usbnet_get_link_ksettings_mii() local
964 if (!dev->mii.mdio_read) in usbnet_get_link_ksettings_mii()
967 mii_ethtool_get_link_ksettings(&dev->mii, cmd); in usbnet_get_link_ksettings_mii()
976 struct usbnet *dev = netdev_priv(net); in usbnet_get_link_ksettings_internal() local
983 if (dev->rx_speed != SPEED_UNSET) in usbnet_get_link_ksettings_internal()
984 cmd->base.speed = dev->rx_speed / 1000000; in usbnet_get_link_ksettings_internal()
985 else if (dev->tx_speed != SPEED_UNSET) in usbnet_get_link_ksettings_internal()
986 cmd->base.speed = dev->tx_speed / 1000000; in usbnet_get_link_ksettings_internal()
997 struct usbnet *dev = netdev_priv(net); in usbnet_set_link_ksettings_mii() local
1000 if (!dev->mii.mdio_write) in usbnet_set_link_ksettings_mii()
1003 retval = mii_ethtool_set_link_ksettings(&dev->mii, cmd); in usbnet_set_link_ksettings_mii()
1006 if (dev->driver_info->link_reset) in usbnet_set_link_ksettings_mii()
1007 dev->driver_info->link_reset(dev); in usbnet_set_link_ksettings_mii()
1010 usbnet_update_max_qlen(dev); in usbnet_set_link_ksettings_mii()
1018 struct usbnet *dev = netdev_priv(net); in usbnet_get_link() local
1021 if (dev->driver_info->check_connect) in usbnet_get_link()
1022 return dev->driver_info->check_connect (dev) == 0; in usbnet_get_link()
1025 if (dev->mii.mdio_read) in usbnet_get_link()
1026 return mii_link_ok(&dev->mii); in usbnet_get_link()
1035 struct usbnet *dev = netdev_priv(net); in usbnet_nway_reset() local
1037 if (!dev->mii.mdio_write) in usbnet_nway_reset()
1040 return mii_nway_restart(&dev->mii); in usbnet_nway_reset()
1046 struct usbnet *dev = netdev_priv(net); in usbnet_get_drvinfo() local
1048 strscpy(info->driver, dev->driver_name, sizeof(info->driver)); in usbnet_get_drvinfo()
1049 strscpy(info->fw_version, dev->driver_info->description, in usbnet_get_drvinfo()
1051 usb_make_path (dev->udev, info->bus_info, sizeof info->bus_info); in usbnet_get_drvinfo()
1057 struct usbnet *dev = netdev_priv(net); in usbnet_get_msglevel() local
1059 return dev->msg_enable; in usbnet_get_msglevel()
1065 struct usbnet *dev = netdev_priv(net); in usbnet_set_msglevel() local
1067 dev->msg_enable = level; in usbnet_set_msglevel()
1085 static void __handle_link_change(struct usbnet *dev) in __handle_link_change() argument
1087 if (!test_bit(EVENT_DEV_OPEN, &dev->flags)) in __handle_link_change()
1090 if (!netif_carrier_ok(dev->net)) { in __handle_link_change()
1092 unlink_urbs(dev, &dev->rxq); in __handle_link_change()
1100 tasklet_schedule(&dev->bh); in __handle_link_change()
1104 usbnet_update_max_qlen(dev); in __handle_link_change()
1106 clear_bit(EVENT_LINK_CHANGE, &dev->flags); in __handle_link_change()
1111 struct usbnet *dev = netdev_priv(net); in usbnet_set_rx_mode() local
1113 usbnet_defer_kevent(dev, EVENT_SET_RX_MODE); in usbnet_set_rx_mode()
1117 static void __handle_set_rx_mode(struct usbnet *dev) in __handle_set_rx_mode() argument
1119 if (dev->driver_info->set_rx_mode) in __handle_set_rx_mode()
1120 (dev->driver_info->set_rx_mode)(dev); in __handle_set_rx_mode()
1122 clear_bit(EVENT_SET_RX_MODE, &dev->flags); in __handle_set_rx_mode()
1133 struct usbnet *dev = in usbnet_deferred_kevent() local
1138 if (test_bit (EVENT_TX_HALT, &dev->flags)) { in usbnet_deferred_kevent()
1139 unlink_urbs (dev, &dev->txq); in usbnet_deferred_kevent()
1140 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1143 status = usb_clear_halt (dev->udev, dev->out); in usbnet_deferred_kevent()
1144 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1148 if (netif_msg_tx_err (dev)) in usbnet_deferred_kevent()
1150 netdev_err(dev->net, "can't clear tx halt, status %d\n", in usbnet_deferred_kevent()
1153 clear_bit (EVENT_TX_HALT, &dev->flags); in usbnet_deferred_kevent()
1155 netif_wake_queue (dev->net); in usbnet_deferred_kevent()
1158 if (test_bit (EVENT_RX_HALT, &dev->flags)) { in usbnet_deferred_kevent()
1159 unlink_urbs (dev, &dev->rxq); in usbnet_deferred_kevent()
1160 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1163 status = usb_clear_halt (dev->udev, dev->in); in usbnet_deferred_kevent()
1164 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1168 if (netif_msg_rx_err (dev)) in usbnet_deferred_kevent()
1170 netdev_err(dev->net, "can't clear rx halt, status %d\n", in usbnet_deferred_kevent()
1173 clear_bit (EVENT_RX_HALT, &dev->flags); in usbnet_deferred_kevent()
1174 tasklet_schedule (&dev->bh); in usbnet_deferred_kevent()
1179 if (test_bit (EVENT_RX_MEMORY, &dev->flags)) { in usbnet_deferred_kevent()
1183 if (netif_running (dev->net)) in usbnet_deferred_kevent()
1186 clear_bit (EVENT_RX_MEMORY, &dev->flags); in usbnet_deferred_kevent()
1188 clear_bit (EVENT_RX_MEMORY, &dev->flags); in usbnet_deferred_kevent()
1189 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1194 if (rx_submit (dev, urb, GFP_KERNEL) == -ENOLINK) in usbnet_deferred_kevent()
1196 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1199 tasklet_schedule (&dev->bh); in usbnet_deferred_kevent()
1203 if (test_bit (EVENT_LINK_RESET, &dev->flags)) { in usbnet_deferred_kevent()
1204 const struct driver_info *info = dev->driver_info; in usbnet_deferred_kevent()
1207 clear_bit (EVENT_LINK_RESET, &dev->flags); in usbnet_deferred_kevent()
1208 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1211 if(info->link_reset && (retval = info->link_reset(dev)) < 0) { in usbnet_deferred_kevent()
1212 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1214 netdev_info(dev->net, "link reset failed (%d) usbnet usb-%s-%s, %s\n", in usbnet_deferred_kevent()
1216 dev->udev->bus->bus_name, in usbnet_deferred_kevent()
1217 dev->udev->devpath, in usbnet_deferred_kevent()
1220 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1224 __handle_link_change(dev); in usbnet_deferred_kevent()
1227 if (test_bit (EVENT_LINK_CHANGE, &dev->flags)) in usbnet_deferred_kevent()
1228 __handle_link_change(dev); in usbnet_deferred_kevent()
1230 if (test_bit (EVENT_SET_RX_MODE, &dev->flags)) in usbnet_deferred_kevent()
1231 __handle_set_rx_mode(dev); in usbnet_deferred_kevent()
1234 if (dev->flags) in usbnet_deferred_kevent()
1235 netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n", dev->flags); in usbnet_deferred_kevent()
1244 struct usbnet *dev = entry->dev; in tx_complete() local
1247 struct pcpu_sw_netstats *stats64 = this_cpu_ptr(dev->net->tstats); in tx_complete()
1255 dev->net->stats.tx_errors++; in tx_complete()
1259 usbnet_defer_kevent (dev, EVENT_TX_HALT); in tx_complete()
1273 usb_mark_last_busy(dev->udev); in tx_complete()
1274 if (!timer_pending (&dev->delay)) { in tx_complete()
1275 mod_timer (&dev->delay, in tx_complete()
1277 netif_dbg(dev, link, dev->net, in tx_complete()
1280 netif_stop_queue (dev->net); in tx_complete()
1283 netif_dbg(dev, tx_err, dev->net, in tx_complete()
1289 usb_autopm_put_interface_async(dev->intf); in tx_complete()
1290 (void) defer_bh(dev, skb, &dev->txq, tx_done); in tx_complete()
1297 struct usbnet *dev = netdev_priv(net); in usbnet_tx_timeout() local
1299 unlink_urbs (dev, &dev->txq); in usbnet_tx_timeout()
1300 tasklet_schedule (&dev->bh); in usbnet_tx_timeout()
1305 if (dev->driver_info->recover) in usbnet_tx_timeout()
1306 (dev->driver_info->recover)(dev); in usbnet_tx_timeout()
1348 struct usbnet *dev = netdev_priv(net); in usbnet_start_xmit() local
1352 const struct driver_info *info = dev->driver_info; in usbnet_start_xmit()
1362 skb = info->tx_fixup (dev, skb, GFP_ATOMIC); in usbnet_start_xmit()
1367 netif_dbg(dev, tx_err, dev->net, "can't tx_fixup skb\n"); in usbnet_start_xmit()
1373 netif_dbg(dev, tx_err, dev->net, "no urb\n"); in usbnet_start_xmit()
1379 entry->dev = dev; in usbnet_start_xmit()
1381 usb_fill_bulk_urb (urb, dev->udev, dev->out, in usbnet_start_xmit()
1383 if (dev->can_dma_sg) { in usbnet_start_xmit()
1396 if (length % dev->maxpacket == 0) { in usbnet_start_xmit()
1405 dev->padding_pkt, 1); in usbnet_start_xmit()
1424 spin_lock_irqsave(&dev->txq.lock, flags); in usbnet_start_xmit()
1425 retval = usb_autopm_get_interface_async(dev->intf); in usbnet_start_xmit()
1427 spin_unlock_irqrestore(&dev->txq.lock, flags); in usbnet_start_xmit()
1431 usb_autopm_put_interface_async(dev->intf); in usbnet_start_xmit()
1432 spin_unlock_irqrestore(&dev->txq.lock, flags); in usbnet_start_xmit()
1438 if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) { in usbnet_start_xmit()
1440 usb_anchor_urb(urb, &dev->deferred); in usbnet_start_xmit()
1444 spin_unlock_irqrestore(&dev->txq.lock, flags); in usbnet_start_xmit()
1445 netdev_dbg(dev->net, "Delaying transmission for resumption\n"); in usbnet_start_xmit()
1453 usbnet_defer_kevent (dev, EVENT_TX_HALT); in usbnet_start_xmit()
1454 usb_autopm_put_interface_async(dev->intf); in usbnet_start_xmit()
1457 usb_autopm_put_interface_async(dev->intf); in usbnet_start_xmit()
1458 netif_dbg(dev, tx_err, dev->net, in usbnet_start_xmit()
1463 __usbnet_queue_skb(&dev->txq, skb, tx_start); in usbnet_start_xmit()
1464 if (dev->txq.qlen >= TX_QLEN (dev)) in usbnet_start_xmit()
1467 spin_unlock_irqrestore (&dev->txq.lock, flags); in usbnet_start_xmit()
1470 netif_dbg(dev, tx_err, dev->net, "drop, code %d\n", retval); in usbnet_start_xmit()
1472 dev->net->stats.tx_dropped++; in usbnet_start_xmit()
1481 netif_dbg(dev, tx_queued, dev->net, in usbnet_start_xmit()
1490 static int rx_alloc_submit(struct usbnet *dev, gfp_t flags) in rx_alloc_submit() argument
1497 for (i = 0; i < 10 && dev->rxq.qlen < RX_QLEN(dev); i++) { in rx_alloc_submit()
1500 ret = rx_submit(dev, urb, flags); in rx_alloc_submit()
1526 struct usbnet *dev = from_timer(dev, t, delay); in usbnet_bh() local
1530 while ((skb = skb_dequeue (&dev->done))) { in usbnet_bh()
1534 if (rx_process(dev, skb)) in usbnet_bh()
1544 netdev_dbg(dev->net, "bogus skb state %d\n", entry->state); in usbnet_bh()
1549 clear_bit(EVENT_RX_KILL, &dev->flags); in usbnet_bh()
1554 if (waitqueue_active(&dev->wait)) { in usbnet_bh()
1555 if (dev->txq.qlen + dev->rxq.qlen + dev->done.qlen == 0) in usbnet_bh()
1556 wake_up_all(&dev->wait); in usbnet_bh()
1559 } else if (netif_running (dev->net) && in usbnet_bh()
1560 netif_device_present (dev->net) && in usbnet_bh()
1561 netif_carrier_ok(dev->net) && in usbnet_bh()
1562 !timer_pending(&dev->delay) && in usbnet_bh()
1563 !test_bit(EVENT_RX_PAUSED, &dev->flags) && in usbnet_bh()
1564 !test_bit(EVENT_RX_HALT, &dev->flags)) { in usbnet_bh()
1565 int temp = dev->rxq.qlen; in usbnet_bh()
1567 if (temp < RX_QLEN(dev)) { in usbnet_bh()
1568 if (rx_alloc_submit(dev, GFP_ATOMIC) == -ENOLINK) in usbnet_bh()
1570 if (temp != dev->rxq.qlen) in usbnet_bh()
1571 netif_dbg(dev, link, dev->net, in usbnet_bh()
1573 temp, dev->rxq.qlen); in usbnet_bh()
1574 if (dev->rxq.qlen < RX_QLEN(dev)) in usbnet_bh()
1575 tasklet_schedule (&dev->bh); in usbnet_bh()
1577 if (dev->txq.qlen < TX_QLEN (dev)) in usbnet_bh()
1578 netif_wake_queue (dev->net); in usbnet_bh()
1584 struct usbnet *dev = from_tasklet(dev, t, bh); in usbnet_bh_tasklet() local
1586 usbnet_bh(&dev->delay); in usbnet_bh_tasklet()
1600 struct usbnet *dev; in usbnet_disconnect() local
1605 dev = usb_get_intfdata(intf); in usbnet_disconnect()
1607 if (!dev) in usbnet_disconnect()
1612 netif_info(dev, probe, dev->net, "unregister '%s' usb-%s-%s, %s\n", in usbnet_disconnect()
1613 intf->dev.driver->name, in usbnet_disconnect()
1615 dev->driver_info->description); in usbnet_disconnect()
1617 net = dev->net; in usbnet_disconnect()
1620 while ((urb = usb_get_from_anchor(&dev->deferred))) { in usbnet_disconnect()
1626 if (dev->driver_info->unbind) in usbnet_disconnect()
1627 dev->driver_info->unbind(dev, intf); in usbnet_disconnect()
1629 usb_kill_urb(dev->interrupt); in usbnet_disconnect()
1630 usb_free_urb(dev->interrupt); in usbnet_disconnect()
1631 kfree(dev->padding_pkt); in usbnet_disconnect()
1665 struct usbnet *dev; in usbnet_probe() local
1672 struct usb_driver *driver = to_usb_driver(udev->dev.driver); in usbnet_probe()
1680 pm_runtime_enable(&udev->dev); in usbnet_probe()
1683 name = udev->dev.driver->name; in usbnet_probe()
1686 dev_dbg (&udev->dev, "blacklisted by %s\n", name); in usbnet_probe()
1695 net = alloc_etherdev(sizeof(*dev)); in usbnet_probe()
1700 SET_NETDEV_DEV(net, &udev->dev); in usbnet_probe()
1702 dev = netdev_priv(net); in usbnet_probe()
1703 dev->udev = xdev; in usbnet_probe()
1704 dev->intf = udev; in usbnet_probe()
1705 dev->driver_info = info; in usbnet_probe()
1706 dev->driver_name = name; in usbnet_probe()
1707 dev->rx_speed = SPEED_UNSET; in usbnet_probe()
1708 dev->tx_speed = SPEED_UNSET; in usbnet_probe()
1714 dev->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV in usbnet_probe()
1716 init_waitqueue_head(&dev->wait); in usbnet_probe()
1717 skb_queue_head_init (&dev->rxq); in usbnet_probe()
1718 skb_queue_head_init (&dev->txq); in usbnet_probe()
1719 skb_queue_head_init (&dev->done); in usbnet_probe()
1720 skb_queue_head_init(&dev->rxq_pause); in usbnet_probe()
1721 tasklet_setup(&dev->bh, usbnet_bh_tasklet); in usbnet_probe()
1722 INIT_WORK (&dev->kevent, usbnet_deferred_kevent); in usbnet_probe()
1723 init_usb_anchor(&dev->deferred); in usbnet_probe()
1724 timer_setup(&dev->delay, usbnet_bh, 0); in usbnet_probe()
1725 mutex_init (&dev->phy_mutex); in usbnet_probe()
1726 mutex_init(&dev->interrupt_mutex); in usbnet_probe()
1727 dev->interrupt_count = 0; in usbnet_probe()
1729 dev->net = net; in usbnet_probe()
1735 dev->hard_mtu = net->mtu + net->hard_header_len; in usbnet_probe()
1746 status = info->bind (dev, udev); in usbnet_probe()
1753 if ((dev->driver_info->flags & FLAG_ETHER) != 0 && in usbnet_probe()
1754 ((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 || in usbnet_probe()
1758 if ((dev->driver_info->flags & FLAG_WLAN) != 0) in usbnet_probe()
1761 if ((dev->driver_info->flags & FLAG_WWAN) != 0) in usbnet_probe()
1765 if ((dev->driver_info->flags & FLAG_NOARP) != 0) in usbnet_probe()
1769 if (net->mtu > (dev->hard_mtu - net->hard_header_len)) in usbnet_probe()
1770 net->mtu = dev->hard_mtu - net->hard_header_len; in usbnet_probe()
1772 status = usbnet_get_endpoints (dev, udev); in usbnet_probe()
1778 dev->in = usb_rcvbulkpipe (xdev, info->in); in usbnet_probe()
1779 dev->out = usb_sndbulkpipe (xdev, info->out); in usbnet_probe()
1790 if (status >= 0 && dev->status) in usbnet_probe()
1791 status = init_status (dev, udev); in usbnet_probe()
1795 if (!dev->rx_urb_size) in usbnet_probe()
1796 dev->rx_urb_size = dev->hard_mtu; in usbnet_probe()
1797 dev->maxpacket = usb_maxpacket(dev->udev, dev->out); in usbnet_probe()
1798 if (dev->maxpacket == 0) { in usbnet_probe()
1808 if ((dev->driver_info->flags & FLAG_WLAN) != 0) in usbnet_probe()
1810 if ((dev->driver_info->flags & FLAG_WWAN) != 0) in usbnet_probe()
1814 usbnet_update_max_qlen(dev); in usbnet_probe()
1816 if (dev->can_dma_sg && !(info->flags & FLAG_SEND_ZLP) && in usbnet_probe()
1818 dev->padding_pkt = kzalloc(1, GFP_KERNEL); in usbnet_probe()
1819 if (!dev->padding_pkt) { in usbnet_probe()
1828 netif_info(dev, probe, dev->net, in usbnet_probe()
1830 udev->dev.driver->name, in usbnet_probe()
1832 dev->driver_info->description, in usbnet_probe()
1836 usb_set_intfdata (udev, dev); in usbnet_probe()
1840 if (dev->driver_info->flags & FLAG_LINK_INTR) in usbnet_probe()
1841 usbnet_link_change(dev, 0, 0); in usbnet_probe()
1846 kfree(dev->padding_pkt); in usbnet_probe()
1848 usb_free_urb(dev->interrupt); in usbnet_probe()
1851 info->unbind (dev, udev); in usbnet_probe()
1858 cancel_work_sync(&dev->kevent); in usbnet_probe()
1859 del_timer_sync(&dev->delay); in usbnet_probe()
1877 struct usbnet *dev = usb_get_intfdata(intf); in usbnet_suspend() local
1879 if (!dev->suspend_count++) { in usbnet_suspend()
1880 spin_lock_irq(&dev->txq.lock); in usbnet_suspend()
1882 if (dev->txq.qlen && PMSG_IS_AUTO(message)) { in usbnet_suspend()
1883 dev->suspend_count--; in usbnet_suspend()
1884 spin_unlock_irq(&dev->txq.lock); in usbnet_suspend()
1887 set_bit(EVENT_DEV_ASLEEP, &dev->flags); in usbnet_suspend()
1888 spin_unlock_irq(&dev->txq.lock); in usbnet_suspend()
1894 netif_device_detach (dev->net); in usbnet_suspend()
1895 usbnet_terminate_urbs(dev); in usbnet_suspend()
1896 __usbnet_status_stop_force(dev); in usbnet_suspend()
1902 netif_device_attach (dev->net); in usbnet_suspend()
1910 struct usbnet *dev = usb_get_intfdata(intf); in usbnet_resume() local
1915 if (!--dev->suspend_count) { in usbnet_resume()
1917 __usbnet_status_start_force(dev, GFP_NOIO); in usbnet_resume()
1919 spin_lock_irq(&dev->txq.lock); in usbnet_resume()
1920 while ((res = usb_get_from_anchor(&dev->deferred))) { in usbnet_resume()
1928 usb_autopm_put_interface_async(dev->intf); in usbnet_resume()
1930 netif_trans_update(dev->net); in usbnet_resume()
1931 __skb_queue_tail(&dev->txq, skb); in usbnet_resume()
1936 clear_bit(EVENT_DEV_ASLEEP, &dev->flags); in usbnet_resume()
1937 spin_unlock_irq(&dev->txq.lock); in usbnet_resume()
1939 if (test_bit(EVENT_DEV_OPEN, &dev->flags)) { in usbnet_resume()
1943 if (netif_device_present(dev->net) && in usbnet_resume()
1944 !timer_pending(&dev->delay) && in usbnet_resume()
1945 !test_bit(EVENT_RX_HALT, &dev->flags)) in usbnet_resume()
1946 rx_alloc_submit(dev, GFP_NOIO); in usbnet_resume()
1948 if (!(dev->txq.qlen >= TX_QLEN(dev))) in usbnet_resume()
1949 netif_tx_wake_all_queues(dev->net); in usbnet_resume()
1950 tasklet_schedule (&dev->bh); in usbnet_resume()
1954 if (test_and_clear_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags)) in usbnet_resume()
1966 void usbnet_device_suggests_idle(struct usbnet *dev) in usbnet_device_suggests_idle() argument
1968 if (!test_and_set_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags)) { in usbnet_device_suggests_idle()
1969 dev->intf->needs_remote_wakeup = 1; in usbnet_device_suggests_idle()
1970 usb_autopm_put_interface_async(dev->intf); in usbnet_device_suggests_idle()
1978 int usbnet_manage_power(struct usbnet *dev, int on) in usbnet_manage_power() argument
1980 dev->intf->needs_remote_wakeup = on; in usbnet_manage_power()
1985 void usbnet_link_change(struct usbnet *dev, bool link, bool need_reset) in usbnet_link_change() argument
1989 netif_carrier_on(dev->net); in usbnet_link_change()
1991 netif_carrier_off(dev->net); in usbnet_link_change()
1994 usbnet_defer_kevent(dev, EVENT_LINK_RESET); in usbnet_link_change()
1996 usbnet_defer_kevent(dev, EVENT_LINK_CHANGE); in usbnet_link_change()
2001 static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in __usbnet_read_cmd() argument
2007 netdev_dbg(dev->net, "usbnet_read_cmd cmd=0x%02x reqtype=%02x" in __usbnet_read_cmd()
2017 err = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), in __usbnet_read_cmd()
2024 netdev_dbg(dev->net, in __usbnet_read_cmd()
2032 static int __usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in __usbnet_write_cmd() argument
2039 netdev_dbg(dev->net, "usbnet_write_cmd cmd=0x%02x reqtype=%02x" in __usbnet_write_cmd()
2055 err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), in __usbnet_write_cmd()
2068 int usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_read_cmd() argument
2073 if (usb_autopm_get_interface(dev->intf) < 0) in usbnet_read_cmd()
2075 ret = __usbnet_read_cmd(dev, cmd, reqtype, value, index, in usbnet_read_cmd()
2077 usb_autopm_put_interface(dev->intf); in usbnet_read_cmd()
2086 int usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd() argument
2091 if (usb_autopm_get_interface(dev->intf) < 0) in usbnet_write_cmd()
2093 ret = __usbnet_write_cmd(dev, cmd, reqtype, value, index, in usbnet_write_cmd()
2095 usb_autopm_put_interface(dev->intf); in usbnet_write_cmd()
2104 int usbnet_read_cmd_nopm(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_read_cmd_nopm() argument
2107 return __usbnet_read_cmd(dev, cmd, reqtype, value, index, in usbnet_read_cmd_nopm()
2116 int usbnet_write_cmd_nopm(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd_nopm() argument
2120 return __usbnet_write_cmd(dev, cmd, reqtype, value, index, in usbnet_write_cmd_nopm()
2131 dev_dbg(&urb->dev->dev, "%s failed with %d", in usbnet_async_cmd_cb()
2142 int usbnet_write_cmd_async(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd_async() argument
2150 netdev_dbg(dev->net, "usbnet_write_cmd cmd=0x%02x reqtype=%02x" in usbnet_write_cmd_async()
2161 netdev_err(dev->net, "Error allocating buffer" in usbnet_write_cmd_async()
2177 usb_fill_control_urb(urb, dev->udev, in usbnet_write_cmd_async()
2178 usb_sndctrlpipe(dev->udev, 0), in usbnet_write_cmd_async()
2185 netdev_err(dev->net, "Error submitting the control" in usbnet_write_cmd_async()