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9#include <linux/config.h>
10#include <linux/sched.h>
11#include <linux/signal.h>
12#include <linux/slab.h>
13#include <linux/module.h>
14#include <linux/netdevice.h>
15#include <linux/etherdevice.h>
16#include <linux/mii.h>
17#include <linux/ethtool.h>
18#include <linux/devfs_fs_kernel.h>
19#include <linux/usb.h>
20#include <linux/init.h>
21#include <asm/uaccess.h>
22
23
24#define DRIVER_VERSION "v0.4.3 (2002/12/31)"
25#define DRIVER_AUTHOR "Petko Manolov <petkan@users.sourceforge.net>"
26#define DRIVER_DESC "rtl8150 based usb-ethernet driver"
27
28#define IDR 0x0120
29#define MAR 0x0126
30#define CR 0x012e
31#define TCR 0x012f
32#define RCR 0x0130
33#define TSR 0x0132
34#define RSR 0x0133
35#define CON0 0x0135
36#define CON1 0x0136
37#define MSR 0x0137
38#define PHYADD 0x0138
39#define PHYDAT 0x0139
40#define PHYCNT 0x013b
41#define GPPC 0x013d
42#define BMCR 0x0140
43#define BMSR 0x0142
44#define ANAR 0x0144
45#define ANLP 0x0146
46#define AER 0x0148
47
48#define IDR_EEPROM 0x1202
49
50#define PHY_READ 0
51#define PHY_WRITE 0x20
52#define PHY_GO 0x40
53
54#define RTL8150_REQT_READ 0xc0
55#define RTL8150_REQT_WRITE 0x40
56#define RTL8150_REQ_GET_REGS 0x05
57#define RTL8150_REQ_SET_REGS 0x05
58
59#define RTL8150_MTU 1500
60#define RTL8150_MAX_MTU 1536
61
62#define RTL8150_TX_TIMEOUT (HZ)
63
64
65#define RTL8150_FLAG_HWCRC 0
66#define RX_REG_SET 1
67#define RTL8150_UNPLUG 2
68
69
70#define VENDOR_ID_REALTEK 0x0bda
71#define VENDOR_ID_MELCO 0x0411
72
73#define PRODUCT_ID_RTL8150 0x8150
74#define PRODUCT_ID_LUAKTX 0x0012
75
76#undef EEPROM_WRITE
77
78
79static struct usb_device_id rtl8150_table[] = {
80 {USB_DEVICE(VENDOR_ID_REALTEK, PRODUCT_ID_RTL8150)},
81 {USB_DEVICE(VENDOR_ID_MELCO, PRODUCT_ID_LUAKTX)},
82 {}
83};
84
85MODULE_DEVICE_TABLE(usb, rtl8150_table);
86
87struct rtl8150 {
88 unsigned int flags;
89 struct usb_device *udev;
90 struct usb_interface *interface;
91 struct semaphore sem;
92 struct net_device_stats stats;
93 struct net_device *netdev;
94 struct urb *rx_urb, *tx_urb, *intr_urb, *ctrl_urb;
95 struct usb_ctrlrequest dr;
96 int intr_interval;
97 u16 rx_creg;
98 u8 rx_buff[RTL8150_MAX_MTU];
99 u8 tx_buff[RTL8150_MAX_MTU];
100 u8 intr_buff[8];
101 u8 phy;
102};
103
104typedef struct rtl8150 rtl8150_t;
105
106
107extern devfs_handle_t usb_devfs_handle;
108unsigned long multicast_filter_limit = 32;
109
110static void rtl8150_disconnect(struct usb_device *dev, void *ptr);
111static void *rtl8150_probe(struct usb_device *dev, unsigned int ifnum,
112 const struct usb_device_id *id);
113
114static const char driver_name[] = "rtl8150";
115
116static struct usb_driver rtl8150_driver = {
117 name: driver_name,
118 probe: rtl8150_probe,
119 disconnect: rtl8150_disconnect,
120 id_table: rtl8150_table,
121};
122
123
124
125
126
127
128static int get_registers(rtl8150_t * dev, u16 indx, u16 size, void *data)
129{
130 return usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
131 RTL8150_REQ_GET_REGS, RTL8150_REQT_READ,
132 indx, 0, data, size, HZ / 2);
133}
134
135static int set_registers(rtl8150_t * dev, u16 indx, u16 size, void *data)
136{
137 return usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
138 RTL8150_REQ_SET_REGS, RTL8150_REQT_WRITE,
139 indx, 0, data, size, HZ / 2);
140}
141
142static void ctrl_callback(struct urb *urb)
143{
144 rtl8150_t *dev;
145
146 switch (urb->status) {
147 case 0:
148 break;
149 case -EINPROGRESS:
150 break;
151 case -ENOENT:
152 break;
153 default:
154 warn("ctrl urb status %d", urb->status);
155 }
156 dev = urb->context;
157 clear_bit(RX_REG_SET, &dev->flags);
158}
159
160static int async_set_registers(rtl8150_t * dev, u16 indx, u16 size)
161{
162 int ret;
163
164 if (test_bit(RX_REG_SET, &dev->flags))
165 return -EAGAIN;
166
167 dev->dr.bRequestType = RTL8150_REQT_WRITE;
168 dev->dr.bRequest = RTL8150_REQ_SET_REGS;
169 dev->dr.wValue = cpu_to_le16(indx);
170 dev->dr.wIndex = 0;
171 dev->dr.wLength = cpu_to_le16(2);
172 dev->ctrl_urb->transfer_buffer_length = 2;
173 FILL_CONTROL_URB(dev->ctrl_urb, dev->udev,
174 usb_sndctrlpipe(dev->udev, 0), (char *) &dev->dr,
175 &dev->rx_creg, 2, ctrl_callback, dev);
176 if ((ret = usb_submit_urb(dev->ctrl_urb)))
177 err("control request submission failed: %d", ret);
178 else
179 set_bit(RX_REG_SET, &dev->flags);
180
181 return ret;
182}
183
184static int read_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 * reg)
185{
186 int i;
187 u8 data[3], tmp;
188
189 data[0] = phy;
190 data[1] = data[2] = 0;
191 tmp = indx | PHY_READ | PHY_GO;
192 i = 0;
193
194 set_registers(dev, PHYADD, sizeof(data), data);
195 set_registers(dev, PHYCNT, 1, &tmp);
196 do {
197 get_registers(dev, PHYCNT, 1, data);
198 } while ((data[0] & PHY_GO) && (i++ < HZ));
199
200 if (i < HZ) {
201 get_registers(dev, PHYDAT, 2, data);
202 *reg = le16_to_cpup((u16 *)data);
203 return 0;
204 } else
205 return 1;
206}
207
208static int write_mii_word(rtl8150_t * dev, u8 phy, __u8 indx, u16 reg)
209{
210 int i;
211 u8 data[3], tmp;
212
213 data[0] = phy;
214 *(data + 1) = cpu_to_le16p(®);
215 tmp = indx | PHY_WRITE | PHY_GO;
216 i = 0;
217
218 set_registers(dev, PHYADD, sizeof(data), data);
219 set_registers(dev, PHYCNT, 1, &tmp);
220 do {
221 get_registers(dev, PHYCNT, 1, data);
222 } while ((data[0] & PHY_GO) && (i++ < HZ));
223
224 if (i < HZ)
225 return 0;
226 else
227 return 1;
228}
229
230static inline void set_ethernet_addr(rtl8150_t * dev)
231{
232 u8 node_id[6];
233
234 get_registers(dev, IDR, sizeof(node_id), node_id);
235 memcpy(dev->netdev->dev_addr, node_id, sizeof(node_id));
236}
237
238static int rtl8150_set_mac_address(struct net_device *netdev, void *p)
239{
240 struct sockaddr *addr = p;
241 rtl8150_t *dev;
242 int i;
243
244 if (netif_running(netdev))
245 return -EBUSY;
246 dev = netdev->priv;
247 if (dev == NULL) {
248 return -ENODEV;
249 }
250 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
251 dbg("%s: Setting MAC address to ", netdev->name);
252 for (i = 0; i < 5; i++)
253 printk("%02X:", netdev->dev_addr[i]);
254 dbg("%02X\n", netdev->dev_addr[i]);
255
256 set_registers(dev, IDR, sizeof(netdev->dev_addr), netdev->dev_addr);
257#ifdef EEPROM_WRITE
258 {
259 u8 cr;
260
261 get_registers(dev, CR, 1, &cr);
262
263 cr |= 0x20;
264 set_registers(dev, CR, 1, &cr);
265
266
267 for (i = 0; i * 2 < netdev->addr_len; i++) {
268 set_registers(dev, IDR_EEPROM + (i * 2), 2,
269 netdev->dev_addr + (i * 2));
270 }
271
272 cr &= 0xdf;
273 set_registers(dev, CR, 1, &cr);
274 }
275#endif
276 return 0;
277}
278
279static int rtl8150_reset(rtl8150_t * dev)
280{
281 u8 data = 0x10;
282 int i = HZ;
283
284 set_registers(dev, CR, 1, &data);
285 do {
286 get_registers(dev, CR, 1, &data);
287 } while ((data & 0x10) && --i);
288
289 return (i > 0) ? 0 : -1;
290}
291
292static int alloc_all_urbs(rtl8150_t * dev)
293{
294 dev->rx_urb = usb_alloc_urb(0);
295 if (!dev->rx_urb)
296 return 0;
297 dev->tx_urb = usb_alloc_urb(0);
298 if (!dev->tx_urb) {
299 usb_free_urb(dev->rx_urb);
300 return 0;
301 }
302 dev->intr_urb = usb_alloc_urb(0);
303 if (!dev->intr_urb) {
304 usb_free_urb(dev->rx_urb);
305 usb_free_urb(dev->tx_urb);
306 return 0;
307 }
308 dev->ctrl_urb = usb_alloc_urb(0);
309 if (!dev->ctrl_urb) {
310 usb_free_urb(dev->rx_urb);
311 usb_free_urb(dev->tx_urb);
312 usb_free_urb(dev->intr_urb);
313 return 0;
314 }
315
316 return 1;
317}
318
319static void free_all_urbs(rtl8150_t * dev)
320{
321 usb_free_urb(dev->rx_urb);
322 usb_free_urb(dev->tx_urb);
323 usb_free_urb(dev->intr_urb);
324 usb_free_urb(dev->ctrl_urb);
325}
326
327static void unlink_all_urbs(rtl8150_t * dev)
328{
329 usb_unlink_urb(dev->rx_urb);
330 usb_unlink_urb(dev->tx_urb);
331 usb_unlink_urb(dev->intr_urb);
332 usb_unlink_urb(dev->ctrl_urb);
333}
334
335static void read_bulk_callback(struct urb *urb)
336{
337 rtl8150_t *dev;
338 int pkt_len, res;
339 struct sk_buff *skb;
340 struct net_device *netdev;
341 u16 rx_stat;
342
343 dev = urb->context;
344 if (!dev) {
345 warn("!dev");
346 return;
347 }
348 netdev = dev->netdev;
349 if (!netif_device_present(netdev)) {
350 warn("netdev is not present");
351 return;
352 }
353 switch (urb->status) {
354 case 0:
355 break;
356 case -ENOENT:
357 return;
358 case -ETIMEDOUT:
359 warn("need a device reset?..");
360 goto goon;
361 default:
362 warn("Rx status %d", urb->status);
363 goto goon;
364 }
365
366 pkt_len = urb->actual_length - 4;
367 rx_stat = le16_to_cpu(*(u16 *) (dev->rx_buff + pkt_len));
368
369 if (!(skb = dev_alloc_skb(pkt_len + 2)))
370 goto goon;
371 skb->dev = netdev;
372 skb_reserve(skb, 2);
373 eth_copy_and_sum(skb, dev->rx_buff, pkt_len, 0);
374 skb_put(skb, pkt_len);
375 skb->protocol = eth_type_trans(skb, netdev);
376 netif_rx(skb);
377 dev->stats.rx_packets++;
378 dev->stats.rx_bytes += pkt_len;
379goon:
380 FILL_BULK_URB(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
381 dev->rx_buff, RTL8150_MAX_MTU, read_bulk_callback, dev);
382 if ((res = usb_submit_urb(dev->rx_urb)))
383 warn("%s: Rx urb submission failed %d", netdev->name, res);
384}
385
386static void write_bulk_callback(struct urb *urb)
387{
388 rtl8150_t *dev;
389
390 dev = urb->context;
391 if (!dev)
392 return;
393 if (!netif_device_present(dev->netdev))
394 return;
395 if (urb->status)
396 info("%s: Tx status %d", dev->netdev->name, urb->status);
397 dev->netdev->trans_start = jiffies;
398 netif_wake_queue(dev->netdev);
399}
400
401void intr_callback(struct urb *urb)
402{
403 rtl8150_t *dev;
404
405 dev = urb->context;
406 if (!dev)
407 return;
408 switch (urb->status) {
409 case 0:
410 break;
411 case -ENOENT:
412 return;
413 default:
414 info("%s: intr status %d", dev->netdev->name, urb->status);
415 }
416}
417
418
419
420
421
422
423
424static int enable_net_traffic(rtl8150_t * dev)
425{
426 u8 cr, tcr, rcr, msr;
427
428 if (rtl8150_reset(dev)) {
429 warn("%s - device reset failed", __FUNCTION__);
430 }
431 rcr = 0x9e;
432 dev->rx_creg = cpu_to_le16(rcr);
433 tcr = 0xd8;
434 cr = 0x0c;
435 set_registers(dev, RCR, 1, &rcr);
436 set_registers(dev, TCR, 1, &tcr);
437 set_registers(dev, CR, 1, &cr);
438 get_registers(dev, MSR, 1, &msr);
439
440 return 0;
441}
442
443static void disable_net_traffic(rtl8150_t * dev)
444{
445 u8 cr;
446
447 get_registers(dev, CR, 1, &cr);
448 cr &= 0xf3;
449 set_registers(dev, CR, 1, &cr);
450}
451
452static struct net_device_stats *rtl8150_netdev_stats(struct net_device *dev)
453{
454 return &((rtl8150_t *) dev->priv)->stats;
455}
456
457static void rtl8150_tx_timeout(struct net_device *netdev)
458{
459 rtl8150_t *dev;
460
461 dev = netdev->priv;
462 if (!dev)
463 return;
464 warn("%s: Tx timeout.", netdev->name);
465 dev->tx_urb->transfer_flags |= USB_ASYNC_UNLINK;
466 usb_unlink_urb(dev->tx_urb);
467 dev->stats.tx_errors++;
468}
469
470static void rtl8150_set_multicast(struct net_device *netdev)
471{
472 rtl8150_t *dev;
473
474 dev = netdev->priv;
475 netif_stop_queue(netdev);
476 if (netdev->flags & IFF_PROMISC) {
477 dev->rx_creg |= cpu_to_le16(0x0001);
478 info("%s: promiscuous mode", netdev->name);
479 } else if ((netdev->mc_count > multicast_filter_limit) ||
480 (netdev->flags & IFF_ALLMULTI)) {
481 dev->rx_creg &= cpu_to_le16(0xfffe);
482 dev->rx_creg |= cpu_to_le16(0x0002);
483 info("%s: allmulti set", netdev->name);
484 } else {
485
486 dev->rx_creg &= cpu_to_le16(0x00fc);
487 }
488 async_set_registers(dev, RCR, 2);
489 netif_wake_queue(netdev);
490}
491
492static int rtl8150_start_xmit(struct sk_buff *skb, struct net_device *netdev)
493{
494 rtl8150_t *dev;
495 int count, res;
496
497 netif_stop_queue(netdev);
498 dev = netdev->priv;
499 count = (skb->len < 60) ? 60 : skb->len;
500 count = (count & 0x3f) ? count : count + 1;
501 memcpy(dev->tx_buff, skb->data, skb->len);
502 FILL_BULK_URB(dev->tx_urb, dev->udev, usb_sndbulkpipe(dev->udev, 2),
503 dev->tx_buff, count, write_bulk_callback, dev);
504 dev->tx_urb->transfer_buffer_length = count;
505
506 if ((res = usb_submit_urb(dev->tx_urb))) {
507 warn("failed tx_urb %d\n", res);
508 dev->stats.tx_errors++;
509 netif_start_queue(netdev);
510 } else {
511 dev->stats.tx_packets++;
512 dev->stats.tx_bytes += skb->len;
513 netdev->trans_start = jiffies;
514 }
515 dev_kfree_skb(skb);
516
517 return 0;
518}
519
520static int rtl8150_open(struct net_device *netdev)
521{
522 rtl8150_t *dev;
523 int res;
524
525 dev = netdev->priv;
526 if (dev == NULL) {
527 return -ENODEV;
528 }
529
530 down(&dev->sem);
531
532 set_registers(dev, IDR, 6, netdev->dev_addr);
533
534 FILL_BULK_URB(dev->rx_urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
535 dev->rx_buff, RTL8150_MAX_MTU, read_bulk_callback, dev);
536 if ((res = usb_submit_urb(dev->rx_urb)))
537 warn("%s: rx_urb submit failed: %d", __FUNCTION__, res);
538 FILL_INT_URB(dev->intr_urb, dev->udev, usb_rcvintpipe(dev->udev, 3),
539 dev->intr_buff, sizeof(dev->intr_buff), intr_callback,
540 dev, dev->intr_interval);
541 if ((res = usb_submit_urb(dev->intr_urb)))
542 warn("%s: intr_urb submit failed: %d", __FUNCTION__, res);
543 netif_start_queue(netdev);
544 enable_net_traffic(dev);
545 up(&dev->sem);
546
547 return res;
548}
549
550static int rtl8150_close(struct net_device *netdev)
551{
552 rtl8150_t *dev;
553 int res = 0;
554
555 dev = netdev->priv;
556 if (!dev)
557 return -ENODEV;
558
559 down(&dev->sem);
560 if (!test_bit(RTL8150_UNPLUG, &dev->flags))
561 disable_net_traffic(dev);
562 unlink_all_urbs(dev);
563 netif_stop_queue(netdev);
564 up(&dev->sem);
565
566 return res;
567}
568
569static int rtl8150_ethtool_ioctl(struct net_device *netdev, void *uaddr)
570{
571 rtl8150_t *dev;
572 int cmd;
573 char tmp[128];
574
575 dev = netdev->priv;
576 if (get_user(cmd, (int *) uaddr))
577 return -EFAULT;
578
579 switch (cmd) {
580 case ETHTOOL_GDRVINFO:{
581 struct ethtool_drvinfo info = { ETHTOOL_GDRVINFO };
582
583 strncpy(info.driver, driver_name, ETHTOOL_BUSINFO_LEN);
584 strncpy(info.version, DRIVER_VERSION,
585 ETHTOOL_BUSINFO_LEN);
586 sprintf(tmp, "usb%d:%d", dev->udev->bus->busnum,
587 dev->udev->devnum);
588 strncpy(info.bus_info, tmp, ETHTOOL_BUSINFO_LEN);
589 if (copy_to_user(uaddr, &info, sizeof(info)))
590 return -EFAULT;
591 return 0;
592 }
593 case ETHTOOL_GSET:{
594 struct ethtool_cmd ecmd;
595 short lpa, bmcr;
596
597 if (copy_from_user(&ecmd, uaddr, sizeof(ecmd)))
598 return -EFAULT;
599 ecmd.supported = (SUPPORTED_10baseT_Half |
600 SUPPORTED_10baseT_Full |
601 SUPPORTED_100baseT_Half |
602 SUPPORTED_100baseT_Full |
603 SUPPORTED_Autoneg |
604 SUPPORTED_TP | SUPPORTED_MII);
605 ecmd.port = PORT_TP;
606 ecmd.transceiver = XCVR_INTERNAL;
607 ecmd.phy_address = dev->phy;
608 get_registers(dev, BMCR, 2, &bmcr);
609 get_registers(dev, ANLP, 2, &lpa);
610 if (bmcr & BMCR_ANENABLE) {
611 ecmd.autoneg = AUTONEG_ENABLE;
612 ecmd.speed =
613 (lpa & (LPA_100HALF | LPA_100FULL)) ?
614 SPEED_100 : SPEED_10;
615 if (ecmd.speed == SPEED_100)
616 ecmd.duplex = (lpa & LPA_100FULL) ?
617 DUPLEX_FULL : DUPLEX_HALF;
618 else
619 ecmd.duplex = (lpa & LPA_10FULL) ?
620 DUPLEX_FULL : DUPLEX_HALF;
621 } else {
622 ecmd.autoneg = AUTONEG_DISABLE;
623 ecmd.speed = (bmcr & BMCR_SPEED100) ?
624 SPEED_100 : SPEED_10;
625 ecmd.duplex = (bmcr & BMCR_FULLDPLX) ?
626 DUPLEX_FULL : DUPLEX_HALF;
627 }
628 if (copy_to_user(uaddr, &ecmd, sizeof(ecmd)))
629 return -EFAULT;
630 return 0;
631 }
632 case ETHTOOL_SSET:
633 return -ENOTSUPP;
634 case ETHTOOL_GLINK:{
635 struct ethtool_value edata = { ETHTOOL_GLINK };
636
637 edata.data = netif_carrier_ok(netdev);
638 if (copy_to_user(uaddr, &edata, sizeof(edata)))
639 return -EFAULT;
640 return 0;
641 }
642 default:
643 return -EOPNOTSUPP;
644 }
645}
646
647static int rtl8150_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
648{
649 rtl8150_t *dev;
650 u16 *data;
651 int res;
652
653 dev = netdev->priv;
654 data = (u16 *) & rq->ifr_data;
655 res = 0;
656
657 down(&dev->sem);
658 switch (cmd) {
659 case SIOCETHTOOL:
660 res = rtl8150_ethtool_ioctl(netdev, rq->ifr_data);
661 break;
662 case SIOCDEVPRIVATE:
663 data[0] = dev->phy;
664 case SIOCDEVPRIVATE + 1:
665 read_mii_word(dev, dev->phy, (data[1] & 0x1f), &data[3]);
666 break;
667 case SIOCDEVPRIVATE + 2:
668 if (!capable(CAP_NET_ADMIN)) {
669 up(&dev->sem);
670 return -EPERM;
671 }
672 write_mii_word(dev, dev->phy, (data[1] & 0x1f), data[2]);
673 break;
674 default:
675 res = -EOPNOTSUPP;
676 }
677 up(&dev->sem);
678
679 return res;
680}
681
682static void *rtl8150_probe(struct usb_device *udev, unsigned int ifnum,
683 const struct usb_device_id *id)
684{
685 rtl8150_t *dev;
686 struct net_device *netdev;
687
688 udev->config[0].bConfigurationValue = 1;
689 if (usb_set_configuration(udev, udev->config[0].bConfigurationValue)) {
690 err("usb_set_configuration() failed");
691 return NULL;
692 }
693 dev = kmalloc(sizeof(rtl8150_t), GFP_KERNEL);
694 if (!dev) {
695 err("Out of memory");
696 goto exit;
697 } else
698 memset(dev, 0, sizeof(rtl8150_t));
699
700 netdev = init_etherdev(NULL, 0);
701 if (!netdev) {
702 kfree(dev);
703 err("Oh boy, out of memory again?!?");
704 dev = NULL;
705 goto exit;
706 }
707
708 init_MUTEX(&dev->sem);
709 dev->udev = udev;
710 dev->netdev = netdev;
711 SET_MODULE_OWNER(netdev);
712 netdev->priv = dev;
713 netdev->open = rtl8150_open;
714 netdev->stop = rtl8150_close;
715 netdev->do_ioctl = rtl8150_ioctl;
716 netdev->watchdog_timeo = RTL8150_TX_TIMEOUT;
717 netdev->tx_timeout = rtl8150_tx_timeout;
718 netdev->hard_start_xmit = rtl8150_start_xmit;
719 netdev->set_multicast_list = rtl8150_set_multicast;
720 netdev->set_mac_address = rtl8150_set_mac_address;
721 netdev->get_stats = rtl8150_netdev_stats;
722 netdev->mtu = RTL8150_MTU;
723 dev->intr_interval = 100;
724
725 if (rtl8150_reset(dev) || !alloc_all_urbs(dev)) {
726 err("couldn't reset the device");
727 free_all_urbs(dev);
728 unregister_netdev(dev->netdev);
729 kfree(netdev);
730 kfree(dev);
731 dev = NULL;
732 goto exit;
733 }
734
735 set_ethernet_addr(dev);
736
737 info("%s: rtl8150 is detected", netdev->name);
738exit:
739 return dev;
740}
741
742static void rtl8150_disconnect(struct usb_device *udev, void *ptr)
743{
744 rtl8150_t *dev;
745
746 dev = ptr;
747 set_bit(RTL8150_UNPLUG, &dev->flags);
748 unregister_netdev(dev->netdev);
749 unlink_all_urbs(dev);
750 free_all_urbs(dev);
751 kfree(dev->netdev);
752 kfree(dev);
753 dev->netdev = NULL;
754 dev = NULL;
755}
756
757static int __init usb_rtl8150_init(void)
758{
759 info(DRIVER_DESC " " DRIVER_VERSION);
760 return usb_register(&rtl8150_driver);
761}
762
763static void __exit usb_rtl8150_exit(void)
764{
765 usb_deregister(&rtl8150_driver);
766}
767
768module_init(usb_rtl8150_init);
769module_exit(usb_rtl8150_exit);
770
771MODULE_AUTHOR(DRIVER_AUTHOR);
772MODULE_DESCRIPTION(DRIVER_DESC);
773MODULE_LICENSE("GPL");
774
