Lines Matching refs:dev
67 #define RX_QLEN(dev) ((dev)->rx_qlen) argument
68 #define TX_QLEN(dev) ((dev)->tx_qlen) argument
96 int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf) in usbnet_get_endpoints() argument
146 !(dev->driver_info->flags & FLAG_NO_SETINT)) { in usbnet_get_endpoints()
147 tmp = usb_set_interface (dev->udev, alt->desc.bInterfaceNumber, in usbnet_get_endpoints()
153 dev->in = usb_rcvbulkpipe (dev->udev, in usbnet_get_endpoints()
155 dev->out = usb_sndbulkpipe (dev->udev, in usbnet_get_endpoints()
157 dev->status = status; in usbnet_get_endpoints()
162 int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress) in usbnet_get_ethernet_addr() argument
167 ret = usb_string(dev->udev, iMACAddress, buf, sizeof buf); in usbnet_get_ethernet_addr()
169 tmp = hex2bin(dev->net->dev_addr, buf, 6); in usbnet_get_ethernet_addr()
171 dev_dbg(&dev->udev->dev, 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, 0); 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
322 if (test_bit(EVENT_RX_PAUSED, &dev->flags)) { in usbnet_skb_return()
323 skb_queue_tail(&dev->rxq_pause, skb); in usbnet_skb_return()
327 skb->protocol = eth_type_trans (skb, dev->net); in usbnet_skb_return()
328 dev->net->stats.rx_packets++; in usbnet_skb_return()
329 dev->net->stats.rx_bytes += skb->len; in usbnet_skb_return()
331 netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", in usbnet_skb_return()
340 netif_dbg(dev, rx_err, dev->net, in usbnet_skb_return()
346 void usbnet_update_max_qlen(struct usbnet *dev) in usbnet_update_max_qlen() argument
348 enum usb_device_speed speed = dev->udev->speed; in usbnet_update_max_qlen()
352 dev->rx_qlen = MAX_QUEUE_MEMORY / dev->rx_urb_size; in usbnet_update_max_qlen()
353 dev->tx_qlen = MAX_QUEUE_MEMORY / dev->hard_mtu; in usbnet_update_max_qlen()
361 dev->rx_qlen = 5 * MAX_QUEUE_MEMORY / dev->rx_urb_size; in usbnet_update_max_qlen()
362 dev->tx_qlen = 5 * MAX_QUEUE_MEMORY / dev->hard_mtu; in usbnet_update_max_qlen()
365 dev->rx_qlen = dev->tx_qlen = 4; in usbnet_update_max_qlen()
379 struct usbnet *dev = netdev_priv(net); in usbnet_change_mtu() local
381 int old_hard_mtu = dev->hard_mtu; in usbnet_change_mtu()
382 int old_rx_urb_size = dev->rx_urb_size; in usbnet_change_mtu()
387 if ((ll_mtu % dev->maxpacket) == 0) in usbnet_change_mtu()
391 dev->hard_mtu = net->mtu + net->hard_header_len; in usbnet_change_mtu()
392 if (dev->rx_urb_size == old_hard_mtu) { in usbnet_change_mtu()
393 dev->rx_urb_size = dev->hard_mtu; in usbnet_change_mtu()
394 if (dev->rx_urb_size > old_rx_urb_size) in usbnet_change_mtu()
395 usbnet_unlink_rx_urbs(dev); in usbnet_change_mtu()
399 usbnet_update_max_qlen(dev); in usbnet_change_mtu()
421 static enum skb_state defer_bh(struct usbnet *dev, struct sk_buff *skb, in defer_bh() argument
437 spin_lock_nested(&dev->done.lock, SINGLE_DEPTH_NESTING); in defer_bh()
439 __skb_queue_tail(&dev->done, skb); in defer_bh()
440 if (dev->done.qlen == 1) in defer_bh()
441 tasklet_schedule(&dev->bh); in defer_bh()
442 spin_unlock(&dev->done.lock); in defer_bh()
452 void usbnet_defer_kevent (struct usbnet *dev, int work) in usbnet_defer_kevent() argument
454 set_bit (work, &dev->flags); in usbnet_defer_kevent()
455 if (!schedule_work (&dev->kevent)) { in usbnet_defer_kevent()
457 netdev_err(dev->net, "kevent %d may have been dropped\n", work); in usbnet_defer_kevent()
459 netdev_dbg(dev->net, "kevent %d scheduled\n", work); in usbnet_defer_kevent()
468 static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) in rx_submit() argument
474 size_t size = dev->rx_urb_size; in rx_submit()
477 if (test_bit(EVENT_RX_KILL, &dev->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_RX_HALT, &dev->flags) && in rx_submit()
503 !test_bit (EVENT_DEV_ASLEEP, &dev->flags)) { in rx_submit()
506 usbnet_defer_kevent (dev, EVENT_RX_HALT); in rx_submit()
509 usbnet_defer_kevent (dev, EVENT_RX_MEMORY); in rx_submit()
512 netif_dbg(dev, ifdown, dev->net, "device gone\n"); in rx_submit()
513 netif_device_detach (dev->net); in rx_submit()
519 netif_dbg(dev, rx_err, dev->net, in rx_submit()
521 tasklet_schedule (&dev->bh); in rx_submit()
524 __usbnet_queue_skb(&dev->rxq, skb, rx_start); in rx_submit()
527 netif_dbg(dev, ifdown, dev->net, "rx: stopped\n"); in rx_submit()
530 spin_unlock_irqrestore (&dev->rxq.lock, lockflags); in rx_submit()
541 static inline void rx_process (struct usbnet *dev, struct sk_buff *skb) in rx_process() argument
543 if (dev->driver_info->rx_fixup && in rx_process()
544 !dev->driver_info->rx_fixup (dev, skb)) { in rx_process()
546 if (!(dev->driver_info->flags & FLAG_RX_ASSEMBLE)) in rx_process()
547 dev->net->stats.rx_errors++; in rx_process()
553 if (dev->driver_info->flags & FLAG_MULTI_PACKET) in rx_process()
557 dev->net->stats.rx_errors++; in rx_process()
558 dev->net->stats.rx_length_errors++; in rx_process()
559 netif_dbg(dev, rx_err, dev->net, "rx length %d\n", skb->len); in rx_process()
561 usbnet_skb_return(dev, skb); in rx_process()
566 skb_queue_tail(&dev->done, skb); in rx_process()
575 struct usbnet *dev = entry->dev; in rx_complete() local
594 dev->net->stats.rx_errors++; in rx_complete()
595 usbnet_defer_kevent (dev, EVENT_RX_HALT); in rx_complete()
601 netif_dbg(dev, ifdown, dev->net, in rx_complete()
612 dev->net->stats.rx_errors++; in rx_complete()
613 if (!timer_pending (&dev->delay)) { in rx_complete()
614 mod_timer (&dev->delay, jiffies + THROTTLE_JIFFIES); in rx_complete()
615 netif_dbg(dev, link, dev->net, in rx_complete()
626 dev->net->stats.rx_over_errors++; in rx_complete()
631 dev->net->stats.rx_errors++; in rx_complete()
632 netif_dbg(dev, rx_err, dev->net, "rx status %d\n", urb_status); in rx_complete()
637 if (++dev->pkt_cnt > 30) { in rx_complete()
638 dev->pkt_cnt = 0; in rx_complete()
639 dev->pkt_err = 0; in rx_complete()
642 dev->pkt_err++; in rx_complete()
643 if (dev->pkt_err > 20) in rx_complete()
644 set_bit(EVENT_RX_KILL, &dev->flags); in rx_complete()
647 state = defer_bh(dev, skb, &dev->rxq, state); in rx_complete()
650 if (netif_running (dev->net) && in rx_complete()
651 !test_bit (EVENT_RX_HALT, &dev->flags) && in rx_complete()
653 rx_submit (dev, urb, GFP_ATOMIC); in rx_complete()
654 usb_mark_last_busy(dev->udev); in rx_complete()
659 netif_dbg(dev, rx_err, dev->net, "no read resubmitted\n"); in rx_complete()
663 void usbnet_pause_rx(struct usbnet *dev) in usbnet_pause_rx() argument
665 set_bit(EVENT_RX_PAUSED, &dev->flags); in usbnet_pause_rx()
667 netif_dbg(dev, rx_status, dev->net, "paused rx queue enabled\n"); in usbnet_pause_rx()
671 void usbnet_resume_rx(struct usbnet *dev) in usbnet_resume_rx() argument
676 clear_bit(EVENT_RX_PAUSED, &dev->flags); in usbnet_resume_rx()
678 while ((skb = skb_dequeue(&dev->rxq_pause)) != NULL) { in usbnet_resume_rx()
679 usbnet_skb_return(dev, skb); in usbnet_resume_rx()
683 tasklet_schedule(&dev->bh); in usbnet_resume_rx()
685 netif_dbg(dev, rx_status, dev->net, in usbnet_resume_rx()
690 void usbnet_purge_paused_rxq(struct usbnet *dev) in usbnet_purge_paused_rxq() argument
692 skb_queue_purge(&dev->rxq_pause); in usbnet_purge_paused_rxq()
700 static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q) in unlink_urbs() argument
735 netdev_dbg(dev->net, "unlink urb err, %d\n", retval); in unlink_urbs()
748 void usbnet_unlink_rx_urbs(struct usbnet *dev) in usbnet_unlink_rx_urbs() argument
750 if (netif_running(dev->net)) { in usbnet_unlink_rx_urbs()
751 (void) unlink_urbs (dev, &dev->rxq); in usbnet_unlink_rx_urbs()
752 tasklet_schedule(&dev->bh); in usbnet_unlink_rx_urbs()
774 static void usbnet_terminate_urbs(struct usbnet *dev) in usbnet_terminate_urbs() argument
780 add_wait_queue(&dev->wait, &wait); in usbnet_terminate_urbs()
782 temp = unlink_urbs(dev, &dev->txq) + in usbnet_terminate_urbs()
783 unlink_urbs(dev, &dev->rxq); in usbnet_terminate_urbs()
786 wait_skb_queue_empty(&dev->rxq); in usbnet_terminate_urbs()
787 wait_skb_queue_empty(&dev->txq); in usbnet_terminate_urbs()
788 wait_skb_queue_empty(&dev->done); in usbnet_terminate_urbs()
789 netif_dbg(dev, ifdown, dev->net, in usbnet_terminate_urbs()
792 remove_wait_queue(&dev->wait, &wait); in usbnet_terminate_urbs()
797 struct usbnet *dev = netdev_priv(net); in usbnet_stop() local
798 struct driver_info *info = dev->driver_info; in usbnet_stop()
801 clear_bit(EVENT_DEV_OPEN, &dev->flags); in usbnet_stop()
804 netif_info(dev, ifdown, dev->net, in usbnet_stop()
810 pm = usb_autopm_get_interface(dev->intf); in usbnet_stop()
814 retval = info->stop(dev); in usbnet_stop()
816 netif_info(dev, ifdown, dev->net, in usbnet_stop()
819 dev->udev->bus->bus_name, dev->udev->devpath, in usbnet_stop()
824 usbnet_terminate_urbs(dev); in usbnet_stop()
826 usbnet_status_stop(dev); in usbnet_stop()
828 usbnet_purge_paused_rxq(dev); in usbnet_stop()
830 mpn = !test_and_clear_bit(EVENT_NO_RUNTIME_PM, &dev->flags); in usbnet_stop()
836 dev->flags = 0; in usbnet_stop()
837 del_timer_sync (&dev->delay); in usbnet_stop()
838 tasklet_kill (&dev->bh); in usbnet_stop()
840 usb_autopm_put_interface(dev->intf); in usbnet_stop()
843 info->manage_power(dev, 0); in usbnet_stop()
845 usb_autopm_put_interface(dev->intf); in usbnet_stop()
859 struct usbnet *dev = netdev_priv(net); in usbnet_open() local
861 struct driver_info *info = dev->driver_info; in usbnet_open()
863 if ((retval = usb_autopm_get_interface(dev->intf)) < 0) { in usbnet_open()
864 netif_info(dev, ifup, dev->net, in usbnet_open()
867 dev->udev->bus->bus_name, in usbnet_open()
868 dev->udev->devpath, in usbnet_open()
874 if (info->reset && (retval = info->reset (dev)) < 0) { in usbnet_open()
875 netif_info(dev, ifup, dev->net, in usbnet_open()
878 dev->udev->bus->bus_name, in usbnet_open()
879 dev->udev->devpath, in usbnet_open()
885 usbnet_update_max_qlen(dev); in usbnet_open()
888 if (info->check_connect && (retval = info->check_connect (dev)) < 0) { in usbnet_open()
889 netif_dbg(dev, ifup, dev->net, "can't open; %d\n", retval); in usbnet_open()
894 if (dev->interrupt) { in usbnet_open()
895 retval = usbnet_status_start(dev, GFP_KERNEL); in usbnet_open()
897 netif_err(dev, ifup, dev->net, in usbnet_open()
903 set_bit(EVENT_DEV_OPEN, &dev->flags); in usbnet_open()
905 netif_info(dev, ifup, dev->net, in usbnet_open()
907 (int)RX_QLEN(dev), (int)TX_QLEN(dev), in usbnet_open()
908 dev->net->mtu, in usbnet_open()
909 (dev->driver_info->flags & FLAG_FRAMING_NC) ? "NetChip" : in usbnet_open()
910 (dev->driver_info->flags & FLAG_FRAMING_GL) ? "GeneSys" : in usbnet_open()
911 (dev->driver_info->flags & FLAG_FRAMING_Z) ? "Zaurus" : in usbnet_open()
912 (dev->driver_info->flags & FLAG_FRAMING_RN) ? "RNDIS" : in usbnet_open()
913 (dev->driver_info->flags & FLAG_FRAMING_AX) ? "ASIX" : in usbnet_open()
917 dev->pkt_cnt = 0; in usbnet_open()
918 dev->pkt_err = 0; in usbnet_open()
919 clear_bit(EVENT_RX_KILL, &dev->flags); in usbnet_open()
922 tasklet_schedule (&dev->bh); in usbnet_open()
924 retval = info->manage_power(dev, 1); in usbnet_open()
927 set_bit(EVENT_NO_RUNTIME_PM, &dev->flags); in usbnet_open()
929 usb_autopm_put_interface(dev->intf); in usbnet_open()
934 usb_autopm_put_interface(dev->intf); in usbnet_open()
948 struct usbnet *dev = netdev_priv(net); in usbnet_get_settings() local
950 if (!dev->mii.mdio_read) in usbnet_get_settings()
953 return mii_ethtool_gset(&dev->mii, cmd); in usbnet_get_settings()
959 struct usbnet *dev = netdev_priv(net); in usbnet_set_settings() local
962 if (!dev->mii.mdio_write) in usbnet_set_settings()
965 retval = mii_ethtool_sset(&dev->mii, cmd); in usbnet_set_settings()
968 if (dev->driver_info->link_reset) in usbnet_set_settings()
969 dev->driver_info->link_reset(dev); in usbnet_set_settings()
972 usbnet_update_max_qlen(dev); in usbnet_set_settings()
981 struct usbnet *dev = netdev_priv(net); in usbnet_get_link() local
984 if (dev->driver_info->check_connect) in usbnet_get_link()
985 return dev->driver_info->check_connect (dev) == 0; in usbnet_get_link()
988 if (dev->mii.mdio_read) in usbnet_get_link()
989 return mii_link_ok(&dev->mii); in usbnet_get_link()
998 struct usbnet *dev = netdev_priv(net); in usbnet_nway_reset() local
1000 if (!dev->mii.mdio_write) in usbnet_nway_reset()
1003 return mii_nway_restart(&dev->mii); in usbnet_nway_reset()
1009 struct usbnet *dev = netdev_priv(net); in usbnet_get_drvinfo() local
1011 strlcpy (info->driver, dev->driver_name, sizeof info->driver); in usbnet_get_drvinfo()
1013 strlcpy (info->fw_version, dev->driver_info->description, in usbnet_get_drvinfo()
1015 usb_make_path (dev->udev, info->bus_info, sizeof info->bus_info); in usbnet_get_drvinfo()
1021 struct usbnet *dev = netdev_priv(net); in usbnet_get_msglevel() local
1023 return dev->msg_enable; in usbnet_get_msglevel()
1029 struct usbnet *dev = netdev_priv(net); in usbnet_set_msglevel() local
1031 dev->msg_enable = level; in usbnet_set_msglevel()
1049 static void __handle_link_change(struct usbnet *dev) in __handle_link_change() argument
1051 if (!test_bit(EVENT_DEV_OPEN, &dev->flags)) in __handle_link_change()
1054 if (!netif_carrier_ok(dev->net)) { in __handle_link_change()
1056 unlink_urbs(dev, &dev->rxq); in __handle_link_change()
1064 tasklet_schedule(&dev->bh); in __handle_link_change()
1068 usbnet_update_max_qlen(dev); in __handle_link_change()
1070 clear_bit(EVENT_LINK_CHANGE, &dev->flags); in __handle_link_change()
1075 struct usbnet *dev = netdev_priv(net); in usbnet_set_rx_mode() local
1077 usbnet_defer_kevent(dev, EVENT_SET_RX_MODE); in usbnet_set_rx_mode()
1080 static void __handle_set_rx_mode(struct usbnet *dev) in __handle_set_rx_mode() argument
1082 if (dev->driver_info->set_rx_mode) in __handle_set_rx_mode()
1083 (dev->driver_info->set_rx_mode)(dev); in __handle_set_rx_mode()
1085 clear_bit(EVENT_SET_RX_MODE, &dev->flags); in __handle_set_rx_mode()
1096 struct usbnet *dev = in usbnet_deferred_kevent() local
1101 if (test_bit (EVENT_TX_HALT, &dev->flags)) { in usbnet_deferred_kevent()
1102 unlink_urbs (dev, &dev->txq); in usbnet_deferred_kevent()
1103 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1106 status = usb_clear_halt (dev->udev, dev->out); in usbnet_deferred_kevent()
1107 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1111 if (netif_msg_tx_err (dev)) in usbnet_deferred_kevent()
1113 netdev_err(dev->net, "can't clear tx halt, status %d\n", in usbnet_deferred_kevent()
1116 clear_bit (EVENT_TX_HALT, &dev->flags); in usbnet_deferred_kevent()
1118 netif_wake_queue (dev->net); in usbnet_deferred_kevent()
1121 if (test_bit (EVENT_RX_HALT, &dev->flags)) { in usbnet_deferred_kevent()
1122 unlink_urbs (dev, &dev->rxq); in usbnet_deferred_kevent()
1123 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1126 status = usb_clear_halt (dev->udev, dev->in); in usbnet_deferred_kevent()
1127 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1131 if (netif_msg_rx_err (dev)) in usbnet_deferred_kevent()
1133 netdev_err(dev->net, "can't clear rx halt, status %d\n", in usbnet_deferred_kevent()
1136 clear_bit (EVENT_RX_HALT, &dev->flags); in usbnet_deferred_kevent()
1137 tasklet_schedule (&dev->bh); in usbnet_deferred_kevent()
1142 if (test_bit (EVENT_RX_MEMORY, &dev->flags)) { in usbnet_deferred_kevent()
1146 if (netif_running (dev->net)) in usbnet_deferred_kevent()
1149 clear_bit (EVENT_RX_MEMORY, &dev->flags); in usbnet_deferred_kevent()
1151 clear_bit (EVENT_RX_MEMORY, &dev->flags); in usbnet_deferred_kevent()
1152 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1157 if (rx_submit (dev, urb, GFP_KERNEL) == -ENOLINK) in usbnet_deferred_kevent()
1159 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1162 tasklet_schedule (&dev->bh); in usbnet_deferred_kevent()
1166 if (test_bit (EVENT_LINK_RESET, &dev->flags)) { in usbnet_deferred_kevent()
1167 struct driver_info *info = dev->driver_info; in usbnet_deferred_kevent()
1170 clear_bit (EVENT_LINK_RESET, &dev->flags); in usbnet_deferred_kevent()
1171 status = usb_autopm_get_interface(dev->intf); in usbnet_deferred_kevent()
1174 if(info->link_reset && (retval = info->link_reset(dev)) < 0) { in usbnet_deferred_kevent()
1175 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1177 netdev_info(dev->net, "link reset failed (%d) usbnet usb-%s-%s, %s\n", in usbnet_deferred_kevent()
1179 dev->udev->bus->bus_name, in usbnet_deferred_kevent()
1180 dev->udev->devpath, in usbnet_deferred_kevent()
1183 usb_autopm_put_interface(dev->intf); in usbnet_deferred_kevent()
1187 __handle_link_change(dev); in usbnet_deferred_kevent()
1190 if (test_bit (EVENT_LINK_CHANGE, &dev->flags)) in usbnet_deferred_kevent()
1191 __handle_link_change(dev); in usbnet_deferred_kevent()
1193 if (test_bit (EVENT_SET_RX_MODE, &dev->flags)) in usbnet_deferred_kevent()
1194 __handle_set_rx_mode(dev); in usbnet_deferred_kevent()
1197 if (dev->flags) in usbnet_deferred_kevent()
1198 netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n", dev->flags); in usbnet_deferred_kevent()
1207 struct usbnet *dev = entry->dev; in tx_complete() local
1210 dev->net->stats.tx_packets += entry->packets; in tx_complete()
1211 dev->net->stats.tx_bytes += entry->length; in tx_complete()
1213 dev->net->stats.tx_errors++; in tx_complete()
1217 usbnet_defer_kevent (dev, EVENT_TX_HALT); in tx_complete()
1231 usb_mark_last_busy(dev->udev); in tx_complete()
1232 if (!timer_pending (&dev->delay)) { in tx_complete()
1233 mod_timer (&dev->delay, in tx_complete()
1235 netif_dbg(dev, link, dev->net, in tx_complete()
1238 netif_stop_queue (dev->net); in tx_complete()
1241 netif_dbg(dev, tx_err, dev->net, in tx_complete()
1247 usb_autopm_put_interface_async(dev->intf); in tx_complete()
1248 (void) defer_bh(dev, skb, &dev->txq, tx_done); in tx_complete()
1255 struct usbnet *dev = netdev_priv(net); in usbnet_tx_timeout() local
1257 unlink_urbs (dev, &dev->txq); in usbnet_tx_timeout()
1258 tasklet_schedule (&dev->bh); in usbnet_tx_timeout()
1263 if (dev->driver_info->recover) in usbnet_tx_timeout()
1264 (dev->driver_info->recover)(dev); in usbnet_tx_timeout()
1306 struct usbnet *dev = netdev_priv(net); in usbnet_start_xmit() local
1310 struct driver_info *info = dev->driver_info; in usbnet_start_xmit()
1320 skb = info->tx_fixup (dev, skb, GFP_ATOMIC); in usbnet_start_xmit()
1325 netif_dbg(dev, tx_err, dev->net, "can't tx_fixup skb\n"); in usbnet_start_xmit()
1331 netif_dbg(dev, tx_err, dev->net, "no urb\n"); in usbnet_start_xmit()
1337 entry->dev = dev; in usbnet_start_xmit()
1339 usb_fill_bulk_urb (urb, dev->udev, dev->out, in usbnet_start_xmit()
1341 if (dev->can_dma_sg) { in usbnet_start_xmit()
1354 if (length % dev->maxpacket == 0) { in usbnet_start_xmit()
1363 dev->padding_pkt, 1); in usbnet_start_xmit()
1382 spin_lock_irqsave(&dev->txq.lock, flags); in usbnet_start_xmit()
1383 retval = usb_autopm_get_interface_async(dev->intf); in usbnet_start_xmit()
1385 spin_unlock_irqrestore(&dev->txq.lock, flags); in usbnet_start_xmit()
1391 if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) { in usbnet_start_xmit()
1393 usb_anchor_urb(urb, &dev->deferred); in usbnet_start_xmit()
1397 spin_unlock_irqrestore(&dev->txq.lock, flags); in usbnet_start_xmit()
1398 netdev_dbg(dev->net, "Delaying transmission for resumption\n"); in usbnet_start_xmit()
1406 usbnet_defer_kevent (dev, EVENT_TX_HALT); in usbnet_start_xmit()
1407 usb_autopm_put_interface_async(dev->intf); in usbnet_start_xmit()
1410 usb_autopm_put_interface_async(dev->intf); in usbnet_start_xmit()
1411 netif_dbg(dev, tx_err, dev->net, in usbnet_start_xmit()
1416 __usbnet_queue_skb(&dev->txq, skb, tx_start); in usbnet_start_xmit()
1417 if (dev->txq.qlen >= TX_QLEN (dev)) in usbnet_start_xmit()
1420 spin_unlock_irqrestore (&dev->txq.lock, flags); in usbnet_start_xmit()
1423 netif_dbg(dev, tx_err, dev->net, "drop, code %d\n", retval); in usbnet_start_xmit()
1425 dev->net->stats.tx_dropped++; in usbnet_start_xmit()
1434 netif_dbg(dev, tx_queued, dev->net, in usbnet_start_xmit()
1443 static int rx_alloc_submit(struct usbnet *dev, gfp_t flags) in rx_alloc_submit() argument
1450 for (i = 0; i < 10 && dev->rxq.qlen < RX_QLEN(dev); i++) { in rx_alloc_submit()
1453 ret = rx_submit(dev, urb, flags); in rx_alloc_submit()
1471 struct usbnet *dev = (struct usbnet *) param; in usbnet_bh() local
1475 while ((skb = skb_dequeue (&dev->done))) { in usbnet_bh()
1480 rx_process (dev, skb); in usbnet_bh()
1489 netdev_dbg(dev->net, "bogus skb state %d\n", entry->state); in usbnet_bh()
1494 clear_bit(EVENT_RX_KILL, &dev->flags); in usbnet_bh()
1499 if (waitqueue_active(&dev->wait)) { in usbnet_bh()
1500 if (dev->txq.qlen + dev->rxq.qlen + dev->done.qlen == 0) in usbnet_bh()
1501 wake_up_all(&dev->wait); in usbnet_bh()
1504 } else if (netif_running (dev->net) && in usbnet_bh()
1505 netif_device_present (dev->net) && in usbnet_bh()
1506 netif_carrier_ok(dev->net) && in usbnet_bh()
1507 !timer_pending (&dev->delay) && in usbnet_bh()
1508 !test_bit (EVENT_RX_HALT, &dev->flags)) { in usbnet_bh()
1509 int temp = dev->rxq.qlen; in usbnet_bh()
1511 if (temp < RX_QLEN(dev)) { in usbnet_bh()
1512 if (rx_alloc_submit(dev, GFP_ATOMIC) == -ENOLINK) in usbnet_bh()
1514 if (temp != dev->rxq.qlen) in usbnet_bh()
1515 netif_dbg(dev, link, dev->net, in usbnet_bh()
1517 temp, dev->rxq.qlen); in usbnet_bh()
1518 if (dev->rxq.qlen < RX_QLEN(dev)) in usbnet_bh()
1519 tasklet_schedule (&dev->bh); in usbnet_bh()
1521 if (dev->txq.qlen < TX_QLEN (dev)) in usbnet_bh()
1522 netif_wake_queue (dev->net); in usbnet_bh()
1537 struct usbnet *dev; in usbnet_disconnect() local
1541 dev = usb_get_intfdata(intf); in usbnet_disconnect()
1543 if (!dev) in usbnet_disconnect()
1548 netif_info(dev, probe, dev->net, "unregister '%s' usb-%s-%s, %s\n", in usbnet_disconnect()
1549 intf->dev.driver->name, in usbnet_disconnect()
1551 dev->driver_info->description); in usbnet_disconnect()
1553 net = dev->net; in usbnet_disconnect()
1556 cancel_work_sync(&dev->kevent); in usbnet_disconnect()
1558 usb_scuttle_anchored_urbs(&dev->deferred); in usbnet_disconnect()
1560 if (dev->driver_info->unbind) in usbnet_disconnect()
1561 dev->driver_info->unbind (dev, intf); in usbnet_disconnect()
1563 usb_kill_urb(dev->interrupt); in usbnet_disconnect()
1564 usb_free_urb(dev->interrupt); in usbnet_disconnect()
1565 kfree(dev->padding_pkt); in usbnet_disconnect()
1597 struct usbnet *dev; in usbnet_probe() local
1604 struct usb_driver *driver = to_usb_driver(udev->dev.driver); in usbnet_probe()
1612 pm_runtime_enable(&udev->dev); in usbnet_probe()
1615 name = udev->dev.driver->name; in usbnet_probe()
1618 dev_dbg (&udev->dev, "blacklisted by %s\n", name); in usbnet_probe()
1627 net = alloc_etherdev(sizeof(*dev)); in usbnet_probe()
1632 SET_NETDEV_DEV(net, &udev->dev); in usbnet_probe()
1634 dev = netdev_priv(net); in usbnet_probe()
1635 dev->udev = xdev; in usbnet_probe()
1636 dev->intf = udev; in usbnet_probe()
1637 dev->driver_info = info; in usbnet_probe()
1638 dev->driver_name = name; in usbnet_probe()
1639 dev->msg_enable = netif_msg_init (msg_level, NETIF_MSG_DRV in usbnet_probe()
1641 init_waitqueue_head(&dev->wait); in usbnet_probe()
1642 skb_queue_head_init (&dev->rxq); in usbnet_probe()
1643 skb_queue_head_init (&dev->txq); in usbnet_probe()
1644 skb_queue_head_init (&dev->done); in usbnet_probe()
1645 skb_queue_head_init(&dev->rxq_pause); in usbnet_probe()
1646 dev->bh.func = usbnet_bh; in usbnet_probe()
1647 dev->bh.data = (unsigned long) dev; in usbnet_probe()
1648 INIT_WORK (&dev->kevent, usbnet_deferred_kevent); in usbnet_probe()
1649 init_usb_anchor(&dev->deferred); in usbnet_probe()
1650 dev->delay.function = usbnet_bh; in usbnet_probe()
1651 dev->delay.data = (unsigned long) dev; in usbnet_probe()
1652 init_timer (&dev->delay); in usbnet_probe()
1653 mutex_init (&dev->phy_mutex); in usbnet_probe()
1654 mutex_init(&dev->interrupt_mutex); in usbnet_probe()
1655 dev->interrupt_count = 0; in usbnet_probe()
1657 dev->net = net; in usbnet_probe()
1664 dev->hard_mtu = net->mtu + net->hard_header_len; in usbnet_probe()
1673 status = info->bind (dev, udev); in usbnet_probe()
1680 if ((dev->driver_info->flags & FLAG_ETHER) != 0 && in usbnet_probe()
1681 ((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 || in usbnet_probe()
1685 if ((dev->driver_info->flags & FLAG_WLAN) != 0) in usbnet_probe()
1688 if ((dev->driver_info->flags & FLAG_WWAN) != 0) in usbnet_probe()
1692 if ((dev->driver_info->flags & FLAG_NOARP) != 0) in usbnet_probe()
1696 if (net->mtu > (dev->hard_mtu - net->hard_header_len)) in usbnet_probe()
1697 net->mtu = dev->hard_mtu - net->hard_header_len; in usbnet_probe()
1699 status = usbnet_get_endpoints (dev, udev); in usbnet_probe()
1701 dev->in = usb_rcvbulkpipe (xdev, info->in); in usbnet_probe()
1702 dev->out = usb_sndbulkpipe (xdev, info->out); in usbnet_probe()
1711 if (status >= 0 && dev->status) in usbnet_probe()
1712 status = init_status (dev, udev); in usbnet_probe()
1716 if (!dev->rx_urb_size) in usbnet_probe()
1717 dev->rx_urb_size = dev->hard_mtu; in usbnet_probe()
1718 dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1); in usbnet_probe()
1724 if ((dev->driver_info->flags & FLAG_WLAN) != 0) in usbnet_probe()
1726 if ((dev->driver_info->flags & FLAG_WWAN) != 0) in usbnet_probe()
1730 usbnet_update_max_qlen(dev); in usbnet_probe()
1732 if (dev->can_dma_sg && !(info->flags & FLAG_SEND_ZLP) && in usbnet_probe()
1734 dev->padding_pkt = kzalloc(1, GFP_KERNEL); in usbnet_probe()
1735 if (!dev->padding_pkt) { in usbnet_probe()
1744 netif_info(dev, probe, dev->net, in usbnet_probe()
1746 udev->dev.driver->name, in usbnet_probe()
1748 dev->driver_info->description, in usbnet_probe()
1752 usb_set_intfdata (udev, dev); in usbnet_probe()
1756 if (dev->driver_info->flags & FLAG_LINK_INTR) in usbnet_probe()
1757 usbnet_link_change(dev, 0, 0); in usbnet_probe()
1762 kfree(dev->padding_pkt); in usbnet_probe()
1764 usb_free_urb(dev->interrupt); in usbnet_probe()
1767 info->unbind (dev, udev); in usbnet_probe()
1774 cancel_work_sync(&dev->kevent); in usbnet_probe()
1775 del_timer_sync(&dev->delay); in usbnet_probe()
1791 struct usbnet *dev = usb_get_intfdata(intf); in usbnet_suspend() local
1793 if (!dev->suspend_count++) { in usbnet_suspend()
1794 spin_lock_irq(&dev->txq.lock); in usbnet_suspend()
1796 if (dev->txq.qlen && PMSG_IS_AUTO(message)) { in usbnet_suspend()
1797 dev->suspend_count--; in usbnet_suspend()
1798 spin_unlock_irq(&dev->txq.lock); in usbnet_suspend()
1801 set_bit(EVENT_DEV_ASLEEP, &dev->flags); in usbnet_suspend()
1802 spin_unlock_irq(&dev->txq.lock); in usbnet_suspend()
1808 netif_device_detach (dev->net); in usbnet_suspend()
1809 usbnet_terminate_urbs(dev); in usbnet_suspend()
1810 __usbnet_status_stop_force(dev); in usbnet_suspend()
1816 netif_device_attach (dev->net); in usbnet_suspend()
1824 struct usbnet *dev = usb_get_intfdata(intf); in usbnet_resume() local
1829 if (!--dev->suspend_count) { in usbnet_resume()
1831 __usbnet_status_start_force(dev, GFP_NOIO); in usbnet_resume()
1833 spin_lock_irq(&dev->txq.lock); in usbnet_resume()
1834 while ((res = usb_get_from_anchor(&dev->deferred))) { in usbnet_resume()
1842 usb_autopm_put_interface_async(dev->intf); in usbnet_resume()
1844 dev->net->trans_start = jiffies; in usbnet_resume()
1845 __skb_queue_tail(&dev->txq, skb); in usbnet_resume()
1850 clear_bit(EVENT_DEV_ASLEEP, &dev->flags); in usbnet_resume()
1851 spin_unlock_irq(&dev->txq.lock); in usbnet_resume()
1853 if (test_bit(EVENT_DEV_OPEN, &dev->flags)) { in usbnet_resume()
1857 if (netif_device_present(dev->net) && in usbnet_resume()
1858 !timer_pending(&dev->delay) && in usbnet_resume()
1859 !test_bit(EVENT_RX_HALT, &dev->flags)) in usbnet_resume()
1860 rx_alloc_submit(dev, GFP_NOIO); in usbnet_resume()
1862 if (!(dev->txq.qlen >= TX_QLEN(dev))) in usbnet_resume()
1863 netif_tx_wake_all_queues(dev->net); in usbnet_resume()
1864 tasklet_schedule (&dev->bh); in usbnet_resume()
1868 if (test_and_clear_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags)) in usbnet_resume()
1880 void usbnet_device_suggests_idle(struct usbnet *dev) in usbnet_device_suggests_idle() argument
1882 if (!test_and_set_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags)) { in usbnet_device_suggests_idle()
1883 dev->intf->needs_remote_wakeup = 1; in usbnet_device_suggests_idle()
1884 usb_autopm_put_interface_async(dev->intf); in usbnet_device_suggests_idle()
1892 int usbnet_manage_power(struct usbnet *dev, int on) in usbnet_manage_power() argument
1894 dev->intf->needs_remote_wakeup = on; in usbnet_manage_power()
1899 void usbnet_link_change(struct usbnet *dev, bool link, bool need_reset) in usbnet_link_change() argument
1903 netif_carrier_on(dev->net); in usbnet_link_change()
1905 netif_carrier_off(dev->net); in usbnet_link_change()
1908 usbnet_defer_kevent(dev, EVENT_LINK_RESET); in usbnet_link_change()
1910 usbnet_defer_kevent(dev, EVENT_LINK_CHANGE); in usbnet_link_change()
1915 static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in __usbnet_read_cmd() argument
1921 netdev_dbg(dev->net, "usbnet_read_cmd cmd=0x%02x reqtype=%02x" in __usbnet_read_cmd()
1931 err = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), in __usbnet_read_cmd()
1941 static int __usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in __usbnet_write_cmd() argument
1948 netdev_dbg(dev->net, "usbnet_write_cmd cmd=0x%02x reqtype=%02x" in __usbnet_write_cmd()
1958 err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), in __usbnet_write_cmd()
1989 dev_err(&intf->dev, "skipping garbage byte\n"); in cdc_parse_cdc_header()
1994 dev_err(&intf->dev, "skipping garbage\n"); in cdc_parse_cdc_header()
2003 dev_err(&intf->dev, "More than one union descriptor, skipping ...\n"); in cdc_parse_cdc_header()
2085 dev_dbg(&intf->dev, "Ignoring descriptor: type %02x, length %ud\n", in cdc_parse_cdc_header()
2108 int usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_read_cmd() argument
2113 if (usb_autopm_get_interface(dev->intf) < 0) in usbnet_read_cmd()
2115 ret = __usbnet_read_cmd(dev, cmd, reqtype, value, index, in usbnet_read_cmd()
2117 usb_autopm_put_interface(dev->intf); in usbnet_read_cmd()
2126 int usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd() argument
2131 if (usb_autopm_get_interface(dev->intf) < 0) in usbnet_write_cmd()
2133 ret = __usbnet_write_cmd(dev, cmd, reqtype, value, index, in usbnet_write_cmd()
2135 usb_autopm_put_interface(dev->intf); in usbnet_write_cmd()
2144 int usbnet_read_cmd_nopm(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_read_cmd_nopm() argument
2147 return __usbnet_read_cmd(dev, cmd, reqtype, value, index, in usbnet_read_cmd_nopm()
2156 int usbnet_write_cmd_nopm(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd_nopm() argument
2160 return __usbnet_write_cmd(dev, cmd, reqtype, value, index, in usbnet_write_cmd_nopm()
2171 dev_dbg(&urb->dev->dev, "%s failed with %d", in usbnet_async_cmd_cb()
2182 int usbnet_write_cmd_async(struct usbnet *dev, u8 cmd, u8 reqtype, in usbnet_write_cmd_async() argument
2190 netdev_dbg(dev->net, "usbnet_write_cmd cmd=0x%02x reqtype=%02x" in usbnet_write_cmd_async()
2196 netdev_err(dev->net, "Error allocating URB in" in usbnet_write_cmd_async()
2204 netdev_err(dev->net, "Error allocating buffer" in usbnet_write_cmd_async()
2220 usb_fill_control_urb(urb, dev->udev, in usbnet_write_cmd_async()
2221 usb_sndctrlpipe(dev->udev, 0), in usbnet_write_cmd_async()
2228 netdev_err(dev->net, "Error submitting the control" in usbnet_write_cmd_async()