Lines Matching refs:dev
51 #define RX_QLEN(dev) ((dev)->rx_qlen) argument
52 #define TX_QLEN(dev) ((dev)->tx_qlen) argument
78 int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf) in usbnet_get_endpoints() argument
133 !(dev->driver_info->flags & FLAG_NO_SETINT)) { in usbnet_get_endpoints()
134 tmp = usb_set_interface (dev->udev, alt->desc.bInterfaceNumber, in usbnet_get_endpoints()
140 dev->in = usb_rcvbulkpipe (dev->udev, in usbnet_get_endpoints()
142 dev->out = usb_sndbulkpipe (dev->udev, in usbnet_get_endpoints()
144 dev->status = status; in usbnet_get_endpoints()
149 int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress) in usbnet_get_ethernet_addr() argument
154 ret = usb_string(dev->udev, iMACAddress, buf, sizeof buf); in usbnet_get_ethernet_addr()
156 tmp = hex2bin(dev->net->dev_addr, buf, 6); in usbnet_get_ethernet_addr()
158 dev_dbg(&dev->udev->dev, in usbnet_get_ethernet_addr()
170 struct usbnet *dev = urb->context; in intr_complete() local
176 dev->driver_info->status(dev, urb); in intr_complete()
182 netif_dbg(dev, ifdown, dev->net, in intr_complete()
190 netdev_dbg(dev->net, "intr status %d\n", status); in intr_complete()
196 netif_err(dev, timer, dev->net, in intr_complete()
200 static int init_status (struct usbnet *dev, struct usb_interface *intf) in init_status() argument
207 if (!dev->driver_info->status) in init_status()
210 pipe = usb_rcvintpipe (dev->udev, in init_status()
211 dev->status->desc.bEndpointAddress in init_status()
213 maxp = usb_maxpacket (dev->udev, pipe, 0); in init_status()
216 period = max ((int) dev->status->desc.bInterval, in init_status()
217 (dev->udev->speed == USB_SPEED_HIGH) ? 7 : 3); in init_status()
221 dev->interrupt = usb_alloc_urb (0, GFP_KERNEL); in init_status()
222 if (!dev->interrupt) { in init_status()
226 usb_fill_int_urb(dev->interrupt, dev->udev, pipe, in init_status()
227 buf, maxp, intr_complete, dev, period); in init_status()
228 dev->interrupt->transfer_flags |= URB_FREE_BUFFER; in init_status()
229 dev_dbg(&intf->dev, in init_status()
238 int usbnet_status_start(struct usbnet *dev, gfp_t mem_flags) in usbnet_status_start() argument
242 WARN_ON_ONCE(dev->interrupt == NULL); in usbnet_status_start()
243 if (dev->interrupt) { in usbnet_status_start()
244 mutex_lock(&dev->interrupt_mutex); in usbnet_status_start()
246 if (++dev->interrupt_count == 1) in usbnet_status_start()
247 ret = usb_submit_urb(dev->interrupt, mem_flags); in usbnet_status_start()
249 dev_dbg(&dev->udev->dev, "incremented interrupt URB count to %d\n", in usbnet_status_start()
250 dev->interrupt_count); in usbnet_status_start()
251 mutex_unlock(&dev->interrupt_mutex); in usbnet_status_start()
258 static int __usbnet_status_start_force(struct usbnet *dev, gfp_t mem_flags) in __usbnet_status_start_force() argument
262 mutex_lock(&dev->interrupt_mutex); in __usbnet_status_start_force()
263 if (dev->interrupt_count) { in __usbnet_status_start_force()
264 ret = usb_submit_urb(dev->interrupt, mem_flags); in __usbnet_status_start_force()
265 dev_dbg(&dev->udev->dev, in __usbnet_status_start_force()
268 mutex_unlock(&dev->interrupt_mutex); in __usbnet_status_start_force()
273 void usbnet_status_stop(struct usbnet *dev) in usbnet_status_stop() argument
275 if (dev->interrupt) { in usbnet_status_stop()
276 mutex_lock(&dev->interrupt_mutex); in usbnet_status_stop()
277 WARN_ON(dev->interrupt_count == 0); in usbnet_status_stop()
279 if (dev->interrupt_count && --dev->interrupt_count == 0) in usbnet_status_stop()
280 usb_kill_urb(dev->interrupt); in usbnet_status_stop()
282 dev_dbg(&dev->udev->dev, in usbnet_status_stop()
284 dev->interrupt_count); in usbnet_status_stop()
285 mutex_unlock(&dev->interrupt_mutex); in usbnet_status_stop()
291 static void __usbnet_status_stop_force(struct usbnet *dev) in __usbnet_status_stop_force() argument
293 if (dev->interrupt) { in __usbnet_status_stop_force()
294 mutex_lock(&dev->interrupt_mutex); in __usbnet_status_stop_force()
295 usb_kill_urb(dev->interrupt); in __usbnet_status_stop_force()
296 dev_dbg(&dev->udev->dev, "killed interrupt URB for suspend\n"); in __usbnet_status_stop_force()
297 mutex_unlock(&dev->interrupt_mutex); in __usbnet_status_stop_force()
305 void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb) in usbnet_skb_return() argument
307 struct pcpu_sw_netstats *stats64 = this_cpu_ptr(dev->stats64); in usbnet_skb_return()
311 if (test_bit(EVENT_RX_PAUSED, &dev->flags)) { in usbnet_skb_return()
312 skb_queue_tail(&dev->rxq_pause, skb); in usbnet_skb_return()
318 skb->protocol = eth_type_trans (skb, dev->net); in usbnet_skb_return()
325 netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", in usbnet_skb_return()
334 netif_dbg(dev, rx_err, dev->net, in usbnet_skb_return()
340 void usbnet_update_max_qlen(struct usbnet *dev) in usbnet_update_max_qlen() argument
342 enum usb_device_speed speed = dev->udev->speed; in usbnet_update_max_qlen()
344 if (!dev->rx_urb_size || !dev->hard_mtu) in usbnet_update_max_qlen()
348 dev->rx_qlen = MAX_QUEUE_MEMORY / dev->rx_urb_size; in usbnet_update_max_qlen()
349 dev->tx_qlen = MAX_QUEUE_MEMORY / dev->hard_mtu; in usbnet_update_max_qlen()
358 dev->rx_qlen = 5 * MAX_QUEUE_MEMORY / dev->rx_urb_size; in usbnet_update_max_qlen()
359 dev->tx_qlen = 5 * MAX_QUEUE_MEMORY / dev->hard_mtu; in usbnet_update_max_qlen()
363 dev->rx_qlen = dev->tx_qlen = 4; in usbnet_update_max_qlen()
377 struct usbnet *dev = netdev_priv(net); in usbnet_change_mtu() local
379 int old_hard_mtu = dev->hard_mtu; in usbnet_change_mtu()
380 int old_rx_urb_size = dev->rx_urb_size; in usbnet_change_mtu()
383 if ((ll_mtu % dev->maxpacket) == 0) in usbnet_change_mtu()
387 dev->hard_mtu = net->mtu + net->hard_header_len; in usbnet_change_mtu()
388 if (dev->rx_urb_size == old_hard_mtu) { in usbnet_change_mtu()
389 dev->rx_urb_size = dev->hard_mtu; in usbnet_change_mtu()
390 if (dev->rx_urb_size > old_rx_urb_size) { in usbnet_change_mtu()
391 usbnet_pause_rx(dev); in usbnet_change_mtu()
392 usbnet_unlink_rx_urbs(dev); in usbnet_change_mtu()
393 usbnet_resume_rx(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
436 spin_lock_nested(&dev->done.lock, SINGLE_DEPTH_NESTING); in defer_bh()
438 __skb_queue_tail(&dev->done, skb); in defer_bh()
439 if (dev->done.qlen == 1) in defer_bh()
440 tasklet_schedule(&dev->bh); in defer_bh()
441 spin_unlock(&dev->done.lock); in defer_bh()
451 void usbnet_defer_kevent (struct usbnet *dev, int work) in usbnet_defer_kevent() argument
453 set_bit (work, &dev->flags); in usbnet_defer_kevent()
454 if (!schedule_work (&dev->kevent)) in usbnet_defer_kevent()
455 netdev_dbg(dev->net, "kevent %d may have been dropped\n", work); in usbnet_defer_kevent()
457 netdev_dbg(dev->net, "kevent %d scheduled\n", work); in usbnet_defer_kevent()
465 static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) in rx_submit() argument
471 size_t size = dev->rx_urb_size; in rx_submit()
474 if (test_bit(EVENT_RX_KILL, &dev->flags)) { in rx_submit()
479 if (test_bit(EVENT_NO_IP_ALIGN, &dev->flags)) in rx_submit()
480 skb = __netdev_alloc_skb(dev->net, size, flags); in rx_submit()
482 skb = __netdev_alloc_skb_ip_align(dev->net, size, flags); in rx_submit()
484 netif_dbg(dev, rx_err, dev->net, "no rx skb\n"); in rx_submit()
485 usbnet_defer_kevent (dev, EVENT_RX_MEMORY); in rx_submit()
492 entry->dev = dev; in rx_submit()
495 usb_fill_bulk_urb (urb, dev->udev, dev->in, in rx_submit()
498 spin_lock_irqsave (&dev->rxq.lock, lockflags); in rx_submit()
500 if (netif_running (dev->net) && in rx_submit()
501 netif_device_present (dev->net) && in rx_submit()
502 test_bit(EVENT_DEV_OPEN, &dev->flags) && in rx_submit()
503 !test_bit (EVENT_RX_HALT, &dev->flags) && in rx_submit()
504 !test_bit (EVENT_DEV_ASLEEP, &dev->flags)) { in rx_submit()
507 usbnet_defer_kevent (dev, EVENT_RX_HALT); in rx_submit()
510 usbnet_defer_kevent (dev, EVENT_RX_MEMORY); in rx_submit()
513 netif_dbg(dev, ifdown, dev->net, "device gone\n"); in rx_submit()
514 netif_device_detach (dev->net); in rx_submit()
520 netif_dbg(dev, rx_err, dev->net, in rx_submit()
522 tasklet_schedule (&dev->bh); in rx_submit()
525 __usbnet_queue_skb(&dev->rxq, skb, rx_start); in rx_submit()
528 netif_dbg(dev, ifdown, dev->net, "rx: stopped\n"); in rx_submit()
531 spin_unlock_irqrestore (&dev->rxq.lock, lockflags); in rx_submit()
542 static inline void rx_process (struct usbnet *dev, struct sk_buff *skb) in rx_process() argument
544 if (dev->driver_info->rx_fixup && in rx_process()
545 !dev->driver_info->rx_fixup (dev, skb)) { in rx_process()
547 if (!(dev->driver_info->flags & FLAG_RX_ASSEMBLE)) in rx_process()
548 dev->net->stats.rx_errors++; in rx_process()
554 if (dev->driver_info->flags & FLAG_MULTI_PACKET) in rx_process()
558 dev->net->stats.rx_errors++; in rx_process()
559 dev->net->stats.rx_length_errors++; in rx_process()
560 netif_dbg(dev, rx_err, dev->net, "rx length %d\n", skb->len); in rx_process()
562 usbnet_skb_return(dev, skb); in rx_process()
567 skb_queue_tail(&dev->done, skb); in rx_process()
576 struct usbnet *dev = entry->dev; in rx_complete() local
595 dev->net->stats.rx_errors++; in rx_complete()
596 usbnet_defer_kevent (dev, EVENT_RX_HALT); in rx_complete()
602 netif_dbg(dev, ifdown, dev->net, in rx_complete()
613 dev->net->stats.rx_errors++; in rx_complete()
614 if (!timer_pending (&dev->delay)) { in rx_complete()
615 mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES); in rx_complete()
616 netif_dbg(dev, link, dev->net, in rx_complete()
627 dev->net->stats.rx_over_errors++; in rx_complete()
632 dev->net->stats.rx_errors++; in rx_complete()
633 netif_dbg(dev, rx_err, dev->net, "rx status %d\n", urb_status); in rx_complete()
638 if (++dev->pkt_cnt > 30) { in rx_complete()
639 dev->pkt_cnt = 0; in rx_complete()
640 dev->pkt_err = 0; in rx_complete()
643 dev->pkt_err++; in rx_complete()
644 if (dev->pkt_err > 20) in rx_complete()
645 set_bit(EVENT_RX_KILL, &dev->flags); in rx_complete()
648 state = defer_bh(dev, skb, &dev->rxq, state); in rx_complete()
651 if (netif_running (dev->net) && in rx_complete()
652 !test_bit (EVENT_RX_HALT, &dev->flags) && in rx_complete()
654 rx_submit (dev, urb, GFP_ATOMIC); in rx_complete()
655 usb_mark_last_busy(dev->udev); in rx_complete()
660 netif_dbg(dev, rx_err, dev->net, "no read resubmitted\n"); in rx_complete()
664 void usbnet_pause_rx(struct usbnet *dev) in usbnet_pause_rx() argument
666 set_bit(EVENT_RX_PAUSED, &dev->flags); in usbnet_pause_rx()
668 netif_dbg(dev, rx_status, dev->net, "paused rx queue enabled\n"); in usbnet_pause_rx()
672 void usbnet_resume_rx(struct usbnet *dev) in usbnet_resume_rx() argument
677 clear_bit(EVENT_RX_PAUSED, &dev->flags); in usbnet_resume_rx()
679 while ((skb = skb_dequeue(&dev->rxq_pause)) != NULL) { in usbnet_resume_rx()
680 usbnet_skb_return(dev, skb); in usbnet_resume_rx()
684 tasklet_schedule(&dev->bh); in usbnet_resume_rx()
686 netif_dbg(dev, rx_status, dev->net, in usbnet_resume_rx()
691 void usbnet_purge_paused_rxq(struct usbnet *dev) in usbnet_purge_paused_rxq() argument
693 skb_queue_purge(&dev->rxq_pause); in usbnet_purge_paused_rxq()
701 static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q) in unlink_urbs() argument
736 netdev_dbg(dev->net, "unlink urb err, %d\n", retval); in unlink_urbs()
749 void usbnet_unlink_rx_urbs(struct usbnet *dev) in usbnet_unlink_rx_urbs() argument
751 if (netif_running(dev->net)) { in usbnet_unlink_rx_urbs()
752 (void) unlink_urbs (dev, &dev->rxq); in usbnet_unlink_rx_urbs()
753 tasklet_schedule(&dev->bh); in usbnet_unlink_rx_urbs()
775 static void usbnet_terminate_urbs(struct usbnet *dev) in usbnet_terminate_urbs() argument
781 add_wait_queue(&dev->wait, &wait); in usbnet_terminate_urbs()
783 temp = unlink_urbs(dev, &dev->txq) + in usbnet_terminate_urbs()
784 unlink_urbs(dev, &dev->rxq); in usbnet_terminate_urbs()
787 wait_skb_queue_empty(&dev->rxq); in usbnet_terminate_urbs()
788 wait_skb_queue_empty(&dev->txq); in usbnet_terminate_urbs()
789 wait_skb_queue_empty(&dev->done); in usbnet_terminate_urbs()
790 netif_dbg(dev, ifdown, dev->net, in usbnet_terminate_urbs()
793 remove_wait_queue(&dev->wait, &wait); in usbnet_terminate_urbs()
798 struct usbnet *dev = netdev_priv(net); in usbnet_stop() local
799 const struct driver_info *info = dev->driver_info; in usbnet_stop()
802 clear_bit(EVENT_DEV_OPEN, &dev->flags); in usbnet_stop()
805 netif_info(dev, ifdown, dev->net, in usbnet_stop()
811 pm = usb_autopm_get_interface(dev->intf); in usbnet_stop()
815 retval = info->stop(dev); in usbnet_stop()
817 netif_info(dev, ifdown, dev->net, in usbnet_stop()
820 dev->udev->bus->bus_name, dev->udev->devpath, in usbnet_stop()
825 usbnet_terminate_urbs(dev); in usbnet_stop()
827 usbnet_status_stop(dev); in usbnet_stop()
829 usbnet_purge_paused_rxq(dev); in usbnet_stop()
831 mpn = !test_and_clear_bit(EVENT_NO_RUNTIME_PM, &dev->flags); in usbnet_stop()
834 dev->flags = 0; in usbnet_stop()
835 del_timer_sync (&dev->delay); in usbnet_stop()
836 tasklet_kill (&dev->bh); in usbnet_stop()
837 cancel_work_sync(&dev->kevent); in usbnet_stop()
839 usb_autopm_put_interface(dev->intf); in usbnet_stop()
842 info->manage_power(dev, 0); in usbnet_stop()
844 usb_autopm_put_interface(dev->intf); in usbnet_stop()
858 struct usbnet *dev = netdev_priv(net); in usbnet_open() local
860 const struct driver_info *info = dev->driver_info; in usbnet_open()
862 if ((retval = usb_autopm_get_interface(dev->intf)) < 0) { in usbnet_open()
863 netif_info(dev, ifup, dev->net, in usbnet_open()
866 dev->udev->bus->bus_name, in usbnet_open()
867 dev->udev->devpath, in usbnet_open()
873 if (info->reset && (retval = info->reset (dev)) < 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 usbnet_update_max_qlen(dev); in usbnet_open()
887 if (info->check_connect && (retval = info->check_connect (dev)) < 0) { in usbnet_open()
888 netif_dbg(dev, ifup, dev->net, "can't open; %d\n", retval); in usbnet_open()
893 if (dev->interrupt) { in usbnet_open()
894 retval = usbnet_status_start(dev, GFP_KERNEL); in usbnet_open()
896 netif_err(dev, ifup, dev->net, in usbnet_open()
902 set_bit(EVENT_DEV_OPEN, &dev->flags); in usbnet_open()
904 netif_info(dev, ifup, dev->net, in usbnet_open()
906 (int)RX_QLEN(dev), (int)TX_QLEN(dev), in usbnet_open()
907 dev->net->mtu, in usbnet_open()
908 (dev->driver_info->flags & FLAG_FRAMING_NC) ? "NetChip" : in usbnet_open()
909 (dev->driver_info->flags & FLAG_FRAMING_GL) ? "GeneSys" : in usbnet_open()
910 (dev->driver_info->flags & FLAG_FRAMING_Z) ? "Zaurus" : in usbnet_open()
911 (dev->driver_info->flags & FLAG_FRAMING_RN) ? "RNDIS" : in usbnet_open()
912 (dev->driver_info->flags & FLAG_FRAMING_AX) ? "ASIX" : in usbnet_open()
916 dev->pkt_cnt = 0; in usbnet_open()
917 dev->pkt_err = 0; in usbnet_open()
918 clear_bit(EVENT_RX_KILL, &dev->flags); in usbnet_open()
921 tasklet_schedule (&dev->bh); in usbnet_open()
923 retval = info->manage_power(dev, 1); in usbnet_open()
926 set_bit(EVENT_NO_RUNTIME_PM, &dev->flags); in usbnet_open()
928 usb_autopm_put_interface(dev->intf); in usbnet_open()
933 usb_autopm_put_interface(dev->intf); in usbnet_open()
948 struct usbnet *dev = netdev_priv(net); in usbnet_get_link_ksettings() local
950 if (!dev->mii.mdio_read) in usbnet_get_link_ksettings()
953 mii_ethtool_get_link_ksettings(&dev->mii, cmd); in usbnet_get_link_ksettings()
962 struct usbnet *dev = netdev_priv(net); in usbnet_set_link_ksettings() local
965 if (!dev->mii.mdio_write) in usbnet_set_link_ksettings()
968 retval = mii_ethtool_set_link_ksettings(&dev->mii, cmd); in usbnet_set_link_ksettings()
971 if (dev->driver_info->link_reset) in usbnet_set_link_ksettings()
972 dev->driver_info->link_reset(dev); in usbnet_set_link_ksettings()
975 usbnet_update_max_qlen(dev); in usbnet_set_link_ksettings()
983 struct usbnet *dev = netdev_priv(net); in usbnet_get_stats64() local
986 dev_fetch_sw_netstats(stats, dev->stats64); in usbnet_get_stats64()
992 struct usbnet *dev = netdev_priv(net); in usbnet_get_link() local
995 if (dev->driver_info->check_connect) in usbnet_get_link()
996 return dev->driver_info->check_connect (dev) == 0; in usbnet_get_link()
999 if (dev->mii.mdio_read) in usbnet_get_link()
1000 return mii_link_ok(&dev->mii); in usbnet_get_link()
1009 struct usbnet *dev = netdev_priv(net); in usbnet_nway_reset() local
1011 if (!dev->mii.mdio_write) in usbnet_nway_reset()
1014 return mii_nway_restart(&dev->mii); in usbnet_nway_reset()
1020 struct usbnet *dev = netdev_priv(net); in usbnet_get_drvinfo() local
1022 strlcpy (info->driver, dev->driver_name, sizeof info->driver); in usbnet_get_drvinfo()
1023 strlcpy (info->fw_version, dev->driver_info->description, in usbnet_get_drvinfo()
1025 usb_make_path (dev->udev, info->bus_info, sizeof info->bus_info); in usbnet_get_drvinfo()
1031 struct usbnet *dev = netdev_priv(net); in usbnet_get_msglevel() local
1033 return dev->msg_enable; in usbnet_get_msglevel()
1039 struct usbnet *dev = netdev_priv(net); in usbnet_set_msglevel() local
1041 dev->msg_enable = level; in usbnet_set_msglevel()
1059 static void __handle_link_change(struct usbnet *dev) in __handle_link_change() argument
1061 if (!test_bit(EVENT_DEV_OPEN, &dev->flags)) in __handle_link_change()
1064 if (!netif_carrier_ok(dev->net)) { in __handle_link_change()
1066 unlink_urbs(dev, &dev->rxq); in __handle_link_change()
1074 tasklet_schedule(&dev->bh); in __handle_link_change()
1078 usbnet_update_max_qlen(dev); in __handle_link_change()
1080 clear_bit(EVENT_LINK_CHANGE, &dev->flags); in __handle_link_change()
1085 struct usbnet *dev = netdev_priv(net); in usbnet_set_rx_mode() local
1087 usbnet_defer_kevent(dev, EVENT_SET_RX_MODE); in usbnet_set_rx_mode()
1091 static void __handle_set_rx_mode(struct usbnet *dev) in __handle_set_rx_mode() argument
1093 if (dev->driver_info->set_rx_mode) in __handle_set_rx_mode()
1094 (dev->driver_info->set_rx_mode)(dev); in __handle_set_rx_mode()
1096 clear_bit(EVENT_SET_RX_MODE, &dev->flags); in __handle_set_rx_mode()
1107 struct usbnet *dev = in usbnet_deferred_kevent() local
1112 if (test_bit (EVENT_TX_HALT, &dev->flags)) { in usbnet_deferred_kevent()
1113 unlink_urbs (dev, &dev->txq); in usbnet_deferred_kevent()
1114 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1117 status = usb_clear_halt (dev->udev, dev->out); in usbnet_deferred_kevent()
1118 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1122 if (netif_msg_tx_err (dev)) in usbnet_deferred_kevent()
1124 netdev_err(dev->net, "can't clear tx halt, status %d\n", in usbnet_deferred_kevent()
1127 clear_bit (EVENT_TX_HALT, &dev->flags); in usbnet_deferred_kevent()
1129 netif_wake_queue (dev->net); in usbnet_deferred_kevent()
1132 if (test_bit (EVENT_RX_HALT, &dev->flags)) { in usbnet_deferred_kevent()
1133 unlink_urbs (dev, &dev->rxq); in usbnet_deferred_kevent()
1134 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1137 status = usb_clear_halt (dev->udev, dev->in); in usbnet_deferred_kevent()
1138 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1142 if (netif_msg_rx_err (dev)) in usbnet_deferred_kevent()
1144 netdev_err(dev->net, "can't clear rx halt, status %d\n", in usbnet_deferred_kevent()
1147 clear_bit (EVENT_RX_HALT, &dev->flags); in usbnet_deferred_kevent()
1148 tasklet_schedule (&dev->bh); in usbnet_deferred_kevent()
1153 if (test_bit (EVENT_RX_MEMORY, &dev->flags)) { in usbnet_deferred_kevent()
1157 if (netif_running (dev->net)) in usbnet_deferred_kevent()
1160 clear_bit (EVENT_RX_MEMORY, &dev->flags); in usbnet_deferred_kevent()
1162 clear_bit (EVENT_RX_MEMORY, &dev->flags); in usbnet_deferred_kevent()
1163 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1168 if (rx_submit (dev, urb, GFP_KERNEL) == -ENOLINK) in usbnet_deferred_kevent()
1170 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1173 tasklet_schedule (&dev->bh); in usbnet_deferred_kevent()
1177 if (test_bit (EVENT_LINK_RESET, &dev->flags)) { in usbnet_deferred_kevent()
1178 const struct driver_info *info = dev->driver_info; in usbnet_deferred_kevent()
1181 clear_bit (EVENT_LINK_RESET, &dev->flags); in usbnet_deferred_kevent()
1182 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1185 if(info->link_reset && (retval = info->link_reset(dev)) < 0) { in usbnet_deferred_kevent()
1186 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1188 netdev_info(dev->net, "link reset failed (%d) usbnet usb-%s-%s, %s\n", in usbnet_deferred_kevent()
1190 dev->udev->bus->bus_name, in usbnet_deferred_kevent()
1191 dev->udev->devpath, in usbnet_deferred_kevent()
1194 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1198 __handle_link_change(dev); in usbnet_deferred_kevent()
1201 if (test_bit (EVENT_LINK_CHANGE, &dev->flags)) in usbnet_deferred_kevent()
1202 __handle_link_change(dev); in usbnet_deferred_kevent()
1204 if (test_bit (EVENT_SET_RX_MODE, &dev->flags)) in usbnet_deferred_kevent()
1205 __handle_set_rx_mode(dev); in usbnet_deferred_kevent()
1208 if (dev->flags) in usbnet_deferred_kevent()
1209 netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n", dev->flags); in usbnet_deferred_kevent()
1218 struct usbnet *dev = entry->dev; in tx_complete() local
1221 struct pcpu_sw_netstats *stats64 = this_cpu_ptr(dev->stats64); in tx_complete()
1229 dev->net->stats.tx_errors++; in tx_complete()
1233 usbnet_defer_kevent (dev, EVENT_TX_HALT); in tx_complete()
1247 usb_mark_last_busy(dev->udev); in tx_complete()
1248 if (!timer_pending (&dev->delay)) { in tx_complete()
1249 mod_timer (&dev->delay, in tx_complete()
1251 netif_dbg(dev, link, dev->net, in tx_complete()
1254 netif_stop_queue (dev->net); in tx_complete()
1257 netif_dbg(dev, tx_err, dev->net, in tx_complete()
1263 usb_autopm_put_interface_async(dev->intf); in tx_complete()
1264 (void) defer_bh(dev, skb, &dev->txq, tx_done); in tx_complete()
1271 struct usbnet *dev = netdev_priv(net); in usbnet_tx_timeout() local
1273 unlink_urbs (dev, &dev->txq); in usbnet_tx_timeout()
1274 tasklet_schedule (&dev->bh); in usbnet_tx_timeout()
1279 if (dev->driver_info->recover) in usbnet_tx_timeout()
1280 (dev->driver_info->recover)(dev); in usbnet_tx_timeout()
1322 struct usbnet *dev = netdev_priv(net); in usbnet_start_xmit() local
1326 const struct driver_info *info = dev->driver_info; in usbnet_start_xmit()
1336 skb = info->tx_fixup (dev, skb, GFP_ATOMIC); in usbnet_start_xmit()
1341 netif_dbg(dev, tx_err, dev->net, "can't tx_fixup skb\n"); in usbnet_start_xmit()
1347 netif_dbg(dev, tx_err, dev->net, "no urb\n"); in usbnet_start_xmit()
1353 entry->dev = dev; in usbnet_start_xmit()
1355 usb_fill_bulk_urb (urb, dev->udev, dev->out, in usbnet_start_xmit()
1357 if (dev->can_dma_sg) { in usbnet_start_xmit()
1370 if (length % dev->maxpacket == 0) { in usbnet_start_xmit()
1379 dev->padding_pkt, 1); in usbnet_start_xmit()
1398 spin_lock_irqsave(&dev->txq.lock, flags); in usbnet_start_xmit()
1399 retval = usb_autopm_get_interface_async(dev->intf); in usbnet_start_xmit()
1401 spin_unlock_irqrestore(&dev->txq.lock, flags); in usbnet_start_xmit()
1405 usb_autopm_put_interface_async(dev->intf); in usbnet_start_xmit()
1406 spin_unlock_irqrestore(&dev->txq.lock, flags); in usbnet_start_xmit()
1412 if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) { in usbnet_start_xmit()
1414 usb_anchor_urb(urb, &dev->deferred); in usbnet_start_xmit()
1418 spin_unlock_irqrestore(&dev->txq.lock, flags); in usbnet_start_xmit()
1419 netdev_dbg(dev->net, "Delaying transmission for resumption\n"); in usbnet_start_xmit()
1427 usbnet_defer_kevent (dev, EVENT_TX_HALT); in usbnet_start_xmit()
1428 usb_autopm_put_interface_async(dev->intf); in usbnet_start_xmit()
1431 usb_autopm_put_interface_async(dev->intf); in usbnet_start_xmit()
1432 netif_dbg(dev, tx_err, dev->net, in usbnet_start_xmit()
1437 __usbnet_queue_skb(&dev->txq, skb, tx_start); in usbnet_start_xmit()
1438 if (dev->txq.qlen >= TX_QLEN (dev)) in usbnet_start_xmit()
1441 spin_unlock_irqrestore (&dev->txq.lock, flags); in usbnet_start_xmit()
1444 netif_dbg(dev, tx_err, dev->net, "drop, code %d\n", retval); in usbnet_start_xmit()
1446 dev->net->stats.tx_dropped++; in usbnet_start_xmit()
1455 netif_dbg(dev, tx_queued, dev->net, in usbnet_start_xmit()
1464 static int rx_alloc_submit(struct usbnet *dev, gfp_t flags) in rx_alloc_submit() argument
1471 for (i = 0; i < 10 && dev->rxq.qlen < RX_QLEN(dev); i++) { in rx_alloc_submit()
1474 ret = rx_submit(dev, urb, flags); in rx_alloc_submit()
1492 struct usbnet *dev = from_timer(dev, t, delay); in usbnet_bh() local
1496 while ((skb = skb_dequeue (&dev->done))) { in usbnet_bh()
1501 rx_process (dev, skb); in usbnet_bh()
1511 netdev_dbg(dev->net, "bogus skb state %d\n", entry->state); in usbnet_bh()
1516 clear_bit(EVENT_RX_KILL, &dev->flags); in usbnet_bh()
1521 if (waitqueue_active(&dev->wait)) { in usbnet_bh()
1522 if (dev->txq.qlen + dev->rxq.qlen + dev->done.qlen == 0) in usbnet_bh()
1523 wake_up_all(&dev->wait); in usbnet_bh()
1526 } else if (netif_running (dev->net) && in usbnet_bh()
1527 netif_device_present (dev->net) && in usbnet_bh()
1528 netif_carrier_ok(dev->net) && in usbnet_bh()
1529 !timer_pending(&dev->delay) && in usbnet_bh()
1530 !test_bit(EVENT_RX_PAUSED, &dev->flags) && in usbnet_bh()
1531 !test_bit(EVENT_RX_HALT, &dev->flags)) { in usbnet_bh()
1532 int temp = dev->rxq.qlen; in usbnet_bh()
1534 if (temp < RX_QLEN(dev)) { in usbnet_bh()
1535 if (rx_alloc_submit(dev, GFP_ATOMIC) == -ENOLINK) in usbnet_bh()
1537 if (temp != dev->rxq.qlen) in usbnet_bh()
1538 netif_dbg(dev, link, dev->net, in usbnet_bh()
1540 temp, dev->rxq.qlen); in usbnet_bh()
1541 if (dev->rxq.qlen < RX_QLEN(dev)) in usbnet_bh()
1542 tasklet_schedule (&dev->bh); in usbnet_bh()
1544 if (dev->txq.qlen < TX_QLEN (dev)) in usbnet_bh()
1545 netif_wake_queue (dev->net); in usbnet_bh()
1567 struct usbnet *dev; in usbnet_disconnect() local
1572 dev = usb_get_intfdata(intf); in usbnet_disconnect()
1574 if (!dev) in usbnet_disconnect()
1579 netif_info(dev, probe, dev->net, "unregister '%s' usb-%s-%s, %s\n", in usbnet_disconnect()
1580 intf->dev.driver->name, in usbnet_disconnect()
1582 dev->driver_info->description); in usbnet_disconnect()
1584 net = dev->net; in usbnet_disconnect()
1587 while ((urb = usb_get_from_anchor(&dev->deferred))) { in usbnet_disconnect()
1593 if (dev->driver_info->unbind) in usbnet_disconnect()
1594 dev->driver_info->unbind (dev, intf); in usbnet_disconnect()
1596 usb_kill_urb(dev->interrupt); in usbnet_disconnect()
1597 usb_free_urb(dev->interrupt); in usbnet_disconnect()
1598 kfree(dev->padding_pkt); in usbnet_disconnect()
1600 free_percpu(dev->stats64); in usbnet_disconnect()
1632 struct usbnet *dev; in usbnet_probe() local
1639 struct usb_driver *driver = to_usb_driver(udev->dev.driver); in usbnet_probe()
1647 pm_runtime_enable(&udev->dev); in usbnet_probe()
1650 name = udev->dev.driver->name; in usbnet_probe()
1653 dev_dbg (&udev->dev, "blacklisted by %s\n", name); in usbnet_probe()
1662 net = alloc_etherdev(sizeof(*dev)); in usbnet_probe()
1667 SET_NETDEV_DEV(net, &udev->dev); in usbnet_probe()
1669 dev = netdev_priv(net); in usbnet_probe()
1670 dev->udev = xdev; in usbnet_probe()
1671 dev->intf = udev; in usbnet_probe()
1672 dev->driver_info = info; in usbnet_probe()
1673 dev->driver_name = name; in usbnet_probe()
1675 dev->stats64 = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); in usbnet_probe()
1676 if (!dev->stats64) in usbnet_probe()
1679 dev->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV in usbnet_probe()
1681 init_waitqueue_head(&dev->wait); in usbnet_probe()
1682 skb_queue_head_init (&dev->rxq); in usbnet_probe()
1683 skb_queue_head_init (&dev->txq); in usbnet_probe()
1684 skb_queue_head_init (&dev->done); in usbnet_probe()
1685 skb_queue_head_init(&dev->rxq_pause); in usbnet_probe()
1686 dev->bh.func = usbnet_bh_tasklet; in usbnet_probe()
1687 dev->bh.data = (unsigned long)&dev->delay; in usbnet_probe()
1688 INIT_WORK (&dev->kevent, usbnet_deferred_kevent); in usbnet_probe()
1689 init_usb_anchor(&dev->deferred); in usbnet_probe()
1690 timer_setup(&dev->delay, usbnet_bh, 0); in usbnet_probe()
1691 mutex_init (&dev->phy_mutex); in usbnet_probe()
1692 mutex_init(&dev->interrupt_mutex); in usbnet_probe()
1693 dev->interrupt_count = 0; in usbnet_probe()
1695 dev->net = net; in usbnet_probe()
1702 dev->hard_mtu = net->mtu + net->hard_header_len; in usbnet_probe()
1713 status = info->bind (dev, udev); in usbnet_probe()
1720 if ((dev->driver_info->flags & FLAG_ETHER) != 0 && in usbnet_probe()
1721 ((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 || in usbnet_probe()
1725 if ((dev->driver_info->flags & FLAG_WLAN) != 0) in usbnet_probe()
1728 if ((dev->driver_info->flags & FLAG_WWAN) != 0) in usbnet_probe()
1732 if ((dev->driver_info->flags & FLAG_NOARP) != 0) in usbnet_probe()
1736 if (net->mtu > (dev->hard_mtu - net->hard_header_len)) in usbnet_probe()
1737 net->mtu = dev->hard_mtu - net->hard_header_len; in usbnet_probe()
1739 status = usbnet_get_endpoints (dev, udev); in usbnet_probe()
1741 dev->in = usb_rcvbulkpipe (xdev, info->in); in usbnet_probe()
1742 dev->out = usb_sndbulkpipe (xdev, info->out); in usbnet_probe()
1751 if (status >= 0 && dev->status) in usbnet_probe()
1752 status = init_status (dev, udev); in usbnet_probe()
1756 if (!dev->rx_urb_size) in usbnet_probe()
1757 dev->rx_urb_size = dev->hard_mtu; in usbnet_probe()
1758 dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1); in usbnet_probe()
1759 if (dev->maxpacket == 0) { in usbnet_probe()
1769 if ((dev->driver_info->flags & FLAG_WLAN) != 0) in usbnet_probe()
1771 if ((dev->driver_info->flags & FLAG_WWAN) != 0) in usbnet_probe()
1775 usbnet_update_max_qlen(dev); in usbnet_probe()
1777 if (dev->can_dma_sg && !(info->flags & FLAG_SEND_ZLP) && in usbnet_probe()
1779 dev->padding_pkt = kzalloc(1, GFP_KERNEL); in usbnet_probe()
1780 if (!dev->padding_pkt) { in usbnet_probe()
1789 netif_info(dev, probe, dev->net, in usbnet_probe()
1791 udev->dev.driver->name, in usbnet_probe()
1793 dev->driver_info->description, in usbnet_probe()
1797 usb_set_intfdata (udev, dev); in usbnet_probe()
1801 if (dev->driver_info->flags & FLAG_LINK_INTR) in usbnet_probe()
1802 usbnet_link_change(dev, 0, 0); in usbnet_probe()
1807 kfree(dev->padding_pkt); in usbnet_probe()
1809 usb_free_urb(dev->interrupt); in usbnet_probe()
1812 info->unbind (dev, udev); in usbnet_probe()
1819 cancel_work_sync(&dev->kevent); in usbnet_probe()
1820 del_timer_sync(&dev->delay); in usbnet_probe()
1821 free_percpu(dev->stats64); in usbnet_probe()
1838 struct usbnet *dev = usb_get_intfdata(intf); in usbnet_suspend() local
1840 if (!dev->suspend_count++) { in usbnet_suspend()
1841 spin_lock_irq(&dev->txq.lock); in usbnet_suspend()
1843 if (dev->txq.qlen && PMSG_IS_AUTO(message)) { in usbnet_suspend()
1844 dev->suspend_count--; in usbnet_suspend()
1845 spin_unlock_irq(&dev->txq.lock); in usbnet_suspend()
1848 set_bit(EVENT_DEV_ASLEEP, &dev->flags); in usbnet_suspend()
1849 spin_unlock_irq(&dev->txq.lock); in usbnet_suspend()
1855 netif_device_detach (dev->net); in usbnet_suspend()
1856 usbnet_terminate_urbs(dev); in usbnet_suspend()
1857 __usbnet_status_stop_force(dev); in usbnet_suspend()
1863 netif_device_attach (dev->net); in usbnet_suspend()
1871 struct usbnet *dev = usb_get_intfdata(intf); in usbnet_resume() local
1876 if (!--dev->suspend_count) { in usbnet_resume()
1878 __usbnet_status_start_force(dev, GFP_NOIO); in usbnet_resume()
1880 spin_lock_irq(&dev->txq.lock); in usbnet_resume()
1881 while ((res = usb_get_from_anchor(&dev->deferred))) { in usbnet_resume()
1889 usb_autopm_put_interface_async(dev->intf); in usbnet_resume()
1891 netif_trans_update(dev->net); in usbnet_resume()
1892 __skb_queue_tail(&dev->txq, skb); in usbnet_resume()
1897 clear_bit(EVENT_DEV_ASLEEP, &dev->flags); in usbnet_resume()
1898 spin_unlock_irq(&dev->txq.lock); in usbnet_resume()
1900 if (test_bit(EVENT_DEV_OPEN, &dev->flags)) { in usbnet_resume()
1904 if (netif_device_present(dev->net) && in usbnet_resume()
1905 !timer_pending(&dev->delay) && in usbnet_resume()
1906 !test_bit(EVENT_RX_HALT, &dev->flags)) in usbnet_resume()
1907 rx_alloc_submit(dev, GFP_NOIO); in usbnet_resume()
1909 if (!(dev->txq.qlen >= TX_QLEN(dev))) in usbnet_resume()
1910 netif_tx_wake_all_queues(dev->net); in usbnet_resume()
1911 tasklet_schedule (&dev->bh); in usbnet_resume()
1915 if (test_and_clear_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags)) in usbnet_resume()
1927 void usbnet_device_suggests_idle(struct usbnet *dev) in usbnet_device_suggests_idle() argument
1929 if (!test_and_set_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags)) { in usbnet_device_suggests_idle()
1930 dev->intf->needs_remote_wakeup = 1; in usbnet_device_suggests_idle()
1931 usb_autopm_put_interface_async(dev->intf); in usbnet_device_suggests_idle()
1939 int usbnet_manage_power(struct usbnet *dev, int on) in usbnet_manage_power() argument
1941 dev->intf->needs_remote_wakeup = on; in usbnet_manage_power()
1946 void usbnet_link_change(struct usbnet *dev, bool link, bool need_reset) in usbnet_link_change() argument
1950 netif_carrier_on(dev->net); in usbnet_link_change()
1952 netif_carrier_off(dev->net); in usbnet_link_change()
1955 usbnet_defer_kevent(dev, EVENT_LINK_RESET); in usbnet_link_change()
1957 usbnet_defer_kevent(dev, EVENT_LINK_CHANGE); in usbnet_link_change()
1962 static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in __usbnet_read_cmd() argument
1968 netdev_dbg(dev->net, "usbnet_read_cmd cmd=0x%02x reqtype=%02x" in __usbnet_read_cmd()
1978 err = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), in __usbnet_read_cmd()
1985 netdev_dbg(dev->net, in __usbnet_read_cmd()
1993 static int __usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in __usbnet_write_cmd() argument
2000 netdev_dbg(dev->net, "usbnet_write_cmd cmd=0x%02x reqtype=%02x" in __usbnet_write_cmd()
2016 err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), in __usbnet_write_cmd()
2029 int usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_read_cmd() argument
2034 if (usb_autopm_get_interface(dev->intf) < 0) in usbnet_read_cmd()
2036 ret = __usbnet_read_cmd(dev, cmd, reqtype, value, index, in usbnet_read_cmd()
2038 usb_autopm_put_interface(dev->intf); in usbnet_read_cmd()
2047 int usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd() argument
2052 if (usb_autopm_get_interface(dev->intf) < 0) in usbnet_write_cmd()
2054 ret = __usbnet_write_cmd(dev, cmd, reqtype, value, index, in usbnet_write_cmd()
2056 usb_autopm_put_interface(dev->intf); in usbnet_write_cmd()
2065 int usbnet_read_cmd_nopm(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_read_cmd_nopm() argument
2068 return __usbnet_read_cmd(dev, cmd, reqtype, value, index, in usbnet_read_cmd_nopm()
2077 int usbnet_write_cmd_nopm(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd_nopm() argument
2081 return __usbnet_write_cmd(dev, cmd, reqtype, value, index, in usbnet_write_cmd_nopm()
2092 dev_dbg(&urb->dev->dev, "%s failed with %d", in usbnet_async_cmd_cb()
2103 int usbnet_write_cmd_async(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd_async() argument
2111 netdev_dbg(dev->net, "usbnet_write_cmd cmd=0x%02x reqtype=%02x" in usbnet_write_cmd_async()
2122 netdev_err(dev->net, "Error allocating buffer" in usbnet_write_cmd_async()
2138 usb_fill_control_urb(urb, dev->udev, in usbnet_write_cmd_async()
2139 usb_sndctrlpipe(dev->udev, 0), in usbnet_write_cmd_async()
2146 netdev_err(dev->net, "Error submitting the control" in usbnet_write_cmd_async()