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15#include <linux/module.h>
16#include <linux/usb.h>
17#include <linux/slab.h>
18#include <linux/netdevice.h>
19#include <linux/etherdevice.h>
20#include <linux/wireless.h>
21#include <linux/ieee80211.h>
22#include <net/iw_handler.h>
23#include <linux/string.h>
24#include <linux/if_arp.h>
25#include <linux/firmware.h>
26#include "zd1201.h"
27
28static struct usb_device_id zd1201_table[] = {
29 {USB_DEVICE(0x0586, 0x3400)},
30 {USB_DEVICE(0x0ace, 0x1201)},
31 {USB_DEVICE(0x050d, 0x6051)},
32 {USB_DEVICE(0x0db0, 0x6823)},
33 {USB_DEVICE(0x1044, 0x8004)},
34 {USB_DEVICE(0x1044, 0x8005)},
35 {}
36};
37
38static int ap;
39
40#define ZD1201_VERSION "0.15"
41
42MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>");
43MODULE_DESCRIPTION("Driver for ZyDAS ZD1201 based USB Wireless adapters");
44MODULE_VERSION(ZD1201_VERSION);
45MODULE_LICENSE("GPL");
46module_param(ap, int, 0);
47MODULE_PARM_DESC(ap, "If non-zero Access Point firmware will be loaded");
48MODULE_DEVICE_TABLE(usb, zd1201_table);
49
50
51static int zd1201_fw_upload(struct usb_device *dev, int apfw)
52{
53 const struct firmware *fw_entry;
54 const char *data;
55 unsigned long len;
56 int err;
57 unsigned char ret;
58 char *buf;
59 char *fwfile;
60
61 if (apfw)
62 fwfile = "zd1201-ap.fw";
63 else
64 fwfile = "zd1201.fw";
65
66 err = request_firmware(&fw_entry, fwfile, &dev->dev);
67 if (err) {
68 dev_err(&dev->dev, "Failed to load %s firmware file!\n", fwfile);
69 dev_err(&dev->dev, "Make sure the hotplug firmware loader is installed.\n");
70 dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info.\n");
71 return err;
72 }
73
74 data = fw_entry->data;
75 len = fw_entry->size;
76
77 buf = kmalloc(1024, GFP_ATOMIC);
78 if (!buf)
79 goto exit;
80
81 while (len > 0) {
82 int translen = (len > 1024) ? 1024 : len;
83 memcpy(buf, data, translen);
84
85 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0,
86 USB_DIR_OUT | 0x40, 0, 0, buf, translen,
87 ZD1201_FW_TIMEOUT);
88 if (err < 0)
89 goto exit;
90
91 len -= translen;
92 data += translen;
93 }
94
95 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0x2,
96 USB_DIR_OUT | 0x40, 0, 0, NULL, 0, ZD1201_FW_TIMEOUT);
97 if (err < 0)
98 goto exit;
99
100 err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4,
101 USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT);
102 if (err < 0)
103 goto exit;
104
105 if (ret & 0x80) {
106 err = -EIO;
107 goto exit;
108 }
109
110 err = 0;
111exit:
112 kfree(buf);
113 release_firmware(fw_entry);
114 return err;
115}
116
117MODULE_FIRMWARE("zd1201-ap.fw");
118MODULE_FIRMWARE("zd1201.fw");
119
120static void zd1201_usbfree(struct urb *urb)
121{
122 struct zd1201 *zd = urb->context;
123
124 switch(urb->status) {
125 case -EILSEQ:
126 case -ENODEV:
127 case -ETIME:
128 case -ENOENT:
129 case -EPIPE:
130 case -EOVERFLOW:
131 case -ESHUTDOWN:
132 dev_warn(&zd->usb->dev, "%s: urb failed: %d\n",
133 zd->dev->name, urb->status);
134 }
135
136 kfree(urb->transfer_buffer);
137 usb_free_urb(urb);
138}
139
140
141
142
143
144
145
146
147
148
149
150static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0,
151 int parm1, int parm2)
152{
153 unsigned char *command;
154 int ret;
155 struct urb *urb;
156
157 command = kmalloc(16, GFP_ATOMIC);
158 if (!command)
159 return -ENOMEM;
160
161 *((__le32*)command) = cpu_to_le32(ZD1201_USB_CMDREQ);
162 *((__le16*)&command[4]) = cpu_to_le16(cmd);
163 *((__le16*)&command[6]) = cpu_to_le16(parm0);
164 *((__le16*)&command[8]) = cpu_to_le16(parm1);
165 *((__le16*)&command[10])= cpu_to_le16(parm2);
166
167 urb = usb_alloc_urb(0, GFP_ATOMIC);
168 if (!urb) {
169 kfree(command);
170 return -ENOMEM;
171 }
172 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2),
173 command, 16, zd1201_usbfree, zd);
174 ret = usb_submit_urb(urb, GFP_ATOMIC);
175 if (ret) {
176 kfree(command);
177 usb_free_urb(urb);
178 }
179
180 return ret;
181}
182
183
184static void zd1201_usbtx(struct urb *urb)
185{
186 struct zd1201 *zd = urb->context;
187 netif_wake_queue(zd->dev);
188}
189
190
191static void zd1201_usbrx(struct urb *urb)
192{
193 struct zd1201 *zd = urb->context;
194 int free = 0;
195 unsigned char *data = urb->transfer_buffer;
196 struct sk_buff *skb;
197 unsigned char type;
198
199 if (!zd)
200 return;
201
202 switch(urb->status) {
203 case -EILSEQ:
204 case -ENODEV:
205 case -ETIME:
206 case -ENOENT:
207 case -EPIPE:
208 case -EOVERFLOW:
209 case -ESHUTDOWN:
210 dev_warn(&zd->usb->dev, "%s: rx urb failed: %d\n",
211 zd->dev->name, urb->status);
212 free = 1;
213 goto exit;
214 }
215
216 if (urb->status != 0 || urb->actual_length == 0)
217 goto resubmit;
218
219 type = data[0];
220 if (type == ZD1201_PACKET_EVENTSTAT || type == ZD1201_PACKET_RESOURCE) {
221 memcpy(zd->rxdata, data, urb->actual_length);
222 zd->rxlen = urb->actual_length;
223 zd->rxdatas = 1;
224 wake_up(&zd->rxdataq);
225 }
226
227 if (type == ZD1201_PACKET_INQUIRE) {
228 int i = 0;
229 unsigned short infotype, framelen, copylen;
230 framelen = le16_to_cpu(*(__le16*)&data[4]);
231 infotype = le16_to_cpu(*(__le16*)&data[6]);
232
233 if (infotype == ZD1201_INF_LINKSTATUS) {
234 short linkstatus;
235
236 linkstatus = le16_to_cpu(*(__le16*)&data[8]);
237 switch(linkstatus) {
238 case 1:
239 netif_carrier_on(zd->dev);
240 break;
241 case 2:
242 netif_carrier_off(zd->dev);
243 break;
244 case 3:
245 netif_carrier_off(zd->dev);
246 break;
247 case 4:
248 netif_carrier_on(zd->dev);
249 break;
250 default:
251 netif_carrier_off(zd->dev);
252 }
253 goto resubmit;
254 }
255 if (infotype == ZD1201_INF_ASSOCSTATUS) {
256 short status = le16_to_cpu(*(__le16*)(data+8));
257 int event;
258 union iwreq_data wrqu;
259
260 switch (status) {
261 case ZD1201_ASSOCSTATUS_STAASSOC:
262 case ZD1201_ASSOCSTATUS_REASSOC:
263 event = IWEVREGISTERED;
264 break;
265 case ZD1201_ASSOCSTATUS_DISASSOC:
266 case ZD1201_ASSOCSTATUS_ASSOCFAIL:
267 case ZD1201_ASSOCSTATUS_AUTHFAIL:
268 default:
269 event = IWEVEXPIRED;
270 }
271 memcpy(wrqu.addr.sa_data, data+10, ETH_ALEN);
272 wrqu.addr.sa_family = ARPHRD_ETHER;
273
274
275 wireless_send_event(zd->dev, event, &wrqu, NULL);
276
277 goto resubmit;
278 }
279 if (infotype == ZD1201_INF_AUTHREQ) {
280 union iwreq_data wrqu;
281
282 memcpy(wrqu.addr.sa_data, data+8, ETH_ALEN);
283 wrqu.addr.sa_family = ARPHRD_ETHER;
284
285
286
287
288 wireless_send_event(zd->dev, IWEVEXPIRED, &wrqu, NULL);
289 goto resubmit;
290 }
291
292 zd->rxlen = 0;
293 while (i < urb->actual_length) {
294 copylen = le16_to_cpu(*(__le16*)&data[i+2]);
295
296 if (copylen+zd->rxlen > sizeof(zd->rxdata))
297 break;
298 memcpy(zd->rxdata+zd->rxlen, data+i+4, copylen);
299 zd->rxlen += copylen;
300 i += 64;
301 }
302 if (i >= urb->actual_length) {
303 zd->rxdatas = 1;
304 wake_up(&zd->rxdataq);
305 }
306 goto resubmit;
307 }
308
309 if (data[urb->actual_length-1] == ZD1201_PACKET_RXDATA) {
310 int datalen = urb->actual_length-1;
311 unsigned short len, fc, seq;
312
313 len = ntohs(*(__be16 *)&data[datalen-2]);
314 if (len>datalen)
315 len=datalen;
316 fc = le16_to_cpu(*(__le16 *)&data[datalen-16]);
317 seq = le16_to_cpu(*(__le16 *)&data[datalen-24]);
318
319 if (zd->monitor) {
320 if (datalen < 24)
321 goto resubmit;
322 if (!(skb = dev_alloc_skb(datalen+24)))
323 goto resubmit;
324
325 memcpy(skb_put(skb, 2), &data[datalen-16], 2);
326 memcpy(skb_put(skb, 2), &data[datalen-2], 2);
327 memcpy(skb_put(skb, 6), &data[datalen-14], 6);
328 memcpy(skb_put(skb, 6), &data[datalen-22], 6);
329 memcpy(skb_put(skb, 6), &data[datalen-8], 6);
330 memcpy(skb_put(skb, 2), &data[datalen-24], 2);
331 memcpy(skb_put(skb, len), data, len);
332 skb->protocol = eth_type_trans(skb, zd->dev);
333 zd->dev->stats.rx_packets++;
334 zd->dev->stats.rx_bytes += skb->len;
335 netif_rx(skb);
336 goto resubmit;
337 }
338
339 if ((seq & IEEE80211_SCTL_FRAG) ||
340 (fc & IEEE80211_FCTL_MOREFRAGS)) {
341 struct zd1201_frag *frag = NULL;
342 char *ptr;
343
344 if (datalen<14)
345 goto resubmit;
346 if ((seq & IEEE80211_SCTL_FRAG) == 0) {
347 frag = kmalloc(sizeof(*frag), GFP_ATOMIC);
348 if (!frag)
349 goto resubmit;
350 skb = dev_alloc_skb(IEEE80211_MAX_DATA_LEN +14+2);
351 if (!skb) {
352 kfree(frag);
353 goto resubmit;
354 }
355 frag->skb = skb;
356 frag->seq = seq & IEEE80211_SCTL_SEQ;
357 skb_reserve(skb, 2);
358 memcpy(skb_put(skb, 12), &data[datalen-14], 12);
359 memcpy(skb_put(skb, 2), &data[6], 2);
360 memcpy(skb_put(skb, len), data+8, len);
361 hlist_add_head(&frag->fnode, &zd->fraglist);
362 goto resubmit;
363 }
364 hlist_for_each_entry(frag, &zd->fraglist, fnode)
365 if (frag->seq == (seq&IEEE80211_SCTL_SEQ))
366 break;
367 if (!frag)
368 goto resubmit;
369 skb = frag->skb;
370 ptr = skb_put(skb, len);
371 if (ptr)
372 memcpy(ptr, data+8, len);
373 if (fc & IEEE80211_FCTL_MOREFRAGS)
374 goto resubmit;
375 hlist_del_init(&frag->fnode);
376 kfree(frag);
377 } else {
378 if (datalen<14)
379 goto resubmit;
380 skb = dev_alloc_skb(len + 14 + 2);
381 if (!skb)
382 goto resubmit;
383 skb_reserve(skb, 2);
384 memcpy(skb_put(skb, 12), &data[datalen-14], 12);
385 memcpy(skb_put(skb, 2), &data[6], 2);
386 memcpy(skb_put(skb, len), data+8, len);
387 }
388 skb->protocol = eth_type_trans(skb, zd->dev);
389 zd->dev->stats.rx_packets++;
390 zd->dev->stats.rx_bytes += skb->len;
391 netif_rx(skb);
392 }
393resubmit:
394 memset(data, 0, ZD1201_RXSIZE);
395
396 urb->status = 0;
397 urb->dev = zd->usb;
398 if(usb_submit_urb(urb, GFP_ATOMIC))
399 free = 1;
400
401exit:
402 if (free) {
403 zd->rxlen = 0;
404 zd->rxdatas = 1;
405 wake_up(&zd->rxdataq);
406 kfree(urb->transfer_buffer);
407 }
408}
409
410static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata,
411 unsigned int riddatalen)
412{
413 int err;
414 int i = 0;
415 int code;
416 int rid_fid;
417 int length;
418 unsigned char *pdata;
419
420 zd->rxdatas = 0;
421 err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0);
422 if (err)
423 return err;
424
425 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
426 if (!zd->rxlen)
427 return -EIO;
428
429 code = le16_to_cpu(*(__le16*)(&zd->rxdata[4]));
430 rid_fid = le16_to_cpu(*(__le16*)(&zd->rxdata[6]));
431 length = le16_to_cpu(*(__le16*)(&zd->rxdata[8]));
432 if (length > zd->rxlen)
433 length = zd->rxlen-6;
434
435
436 if ((code & ZD1201_ACCESSBIT) != ZD1201_ACCESSBIT || rid_fid != rid )
437 return -EINVAL;
438
439
440 if (riddatalen != (length - 4)) {
441 dev_dbg(&zd->usb->dev, "riddatalen mismatches, expected=%u, (packet=%u) length=%u, rid=0x%04X, rid_fid=0x%04X\n",
442 riddatalen, zd->rxlen, length, rid, rid_fid);
443 return -ENODATA;
444 }
445
446 zd->rxdatas = 0;
447
448 err = zd1201_docmd(zd, ZD1201_CMDCODE_SETRXRID, rid, 0, length);
449 if (err)
450 return err;
451
452
453 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
454 if (!zd->rxlen)
455 return -EIO;
456
457 if (zd->rxdata[zd->rxlen - 1] != ZD1201_PACKET_RESOURCE) {
458 dev_dbg(&zd->usb->dev, "Packet type mismatch: 0x%x not 0x3\n",
459 zd->rxdata[zd->rxlen-1]);
460 return -EINVAL;
461 }
462
463
464 pdata = zd->rxdata;
465 length = zd->rxlen;
466
467 do {
468 int actual_length;
469
470 actual_length = (length > 64) ? 64 : length;
471
472 if (pdata[0] != 0x3) {
473 dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n",
474 pdata[0]);
475 return -EINVAL;
476 }
477
478 if (actual_length != 64) {
479
480 actual_length--;
481 }
482
483
484 if (i == 0) {
485 pdata += 8;
486 actual_length -= 8;
487 } else {
488 pdata += 4;
489 actual_length -= 4;
490 }
491
492 memcpy(riddata, pdata, actual_length);
493 riddata += actual_length;
494 pdata += actual_length;
495 length -= 64;
496 i++;
497 } while (length > 0);
498
499 return 0;
500}
501
502
503
504
505
506
507
508
509
510static int zd1201_setconfig(struct zd1201 *zd, int rid, void *buf, int len, int wait)
511{
512 int err;
513 unsigned char *request;
514 int reqlen;
515 char seq=0;
516 struct urb *urb;
517 gfp_t gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC;
518
519 len += 4;
520
521 zd->rxdatas = 0;
522 zd->rxlen = 0;
523 for (seq=0; len > 0; seq++) {
524 request = kmalloc(16, gfp_mask);
525 if (!request)
526 return -ENOMEM;
527 urb = usb_alloc_urb(0, gfp_mask);
528 if (!urb) {
529 kfree(request);
530 return -ENOMEM;
531 }
532 memset(request, 0, 16);
533 reqlen = len>12 ? 12 : len;
534 request[0] = ZD1201_USB_RESREQ;
535 request[1] = seq;
536 request[2] = 0;
537 request[3] = 0;
538 if (request[1] == 0) {
539
540 *(__le16*)&request[4] = cpu_to_le16((len-2+1)/2);
541 *(__le16*)&request[6] = cpu_to_le16(rid);
542 memcpy(request+8, buf, reqlen-4);
543 buf += reqlen-4;
544 } else {
545 memcpy(request+4, buf, reqlen);
546 buf += reqlen;
547 }
548
549 len -= reqlen;
550
551 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb,
552 zd->endp_out2), request, 16, zd1201_usbfree, zd);
553 err = usb_submit_urb(urb, gfp_mask);
554 if (err)
555 goto err;
556 }
557
558 request = kmalloc(16, gfp_mask);
559 if (!request)
560 return -ENOMEM;
561 urb = usb_alloc_urb(0, gfp_mask);
562 if (!urb) {
563 kfree(request);
564 return -ENOMEM;
565 }
566 *((__le32*)request) = cpu_to_le32(ZD1201_USB_CMDREQ);
567 *((__le16*)&request[4]) =
568 cpu_to_le16(ZD1201_CMDCODE_ACCESS|ZD1201_ACCESSBIT);
569 *((__le16*)&request[6]) = cpu_to_le16(rid);
570 *((__le16*)&request[8]) = cpu_to_le16(0);
571 *((__le16*)&request[10]) = cpu_to_le16(0);
572 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2),
573 request, 16, zd1201_usbfree, zd);
574 err = usb_submit_urb(urb, gfp_mask);
575 if (err)
576 goto err;
577
578 if (wait) {
579 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
580 if (!zd->rxlen || le16_to_cpu(*(__le16*)&zd->rxdata[6]) != rid) {
581 dev_dbg(&zd->usb->dev, "wrong or no RID received\n");
582 }
583 }
584
585 return 0;
586err:
587 kfree(request);
588 usb_free_urb(urb);
589 return err;
590}
591
592static inline int zd1201_getconfig16(struct zd1201 *zd, int rid, short *val)
593{
594 int err;
595 __le16 zdval;
596
597 err = zd1201_getconfig(zd, rid, &zdval, sizeof(__le16));
598 if (err)
599 return err;
600 *val = le16_to_cpu(zdval);
601 return 0;
602}
603
604static inline int zd1201_setconfig16(struct zd1201 *zd, int rid, short val)
605{
606 __le16 zdval = cpu_to_le16(val);
607 return (zd1201_setconfig(zd, rid, &zdval, sizeof(__le16), 1));
608}
609
610static int zd1201_drvr_start(struct zd1201 *zd)
611{
612 int err, i;
613 short max;
614 __le16 zdmax;
615 unsigned char *buffer;
616
617 buffer = kzalloc(ZD1201_RXSIZE, GFP_KERNEL);
618 if (!buffer)
619 return -ENOMEM;
620
621 usb_fill_bulk_urb(zd->rx_urb, zd->usb,
622 usb_rcvbulkpipe(zd->usb, zd->endp_in), buffer, ZD1201_RXSIZE,
623 zd1201_usbrx, zd);
624
625 err = usb_submit_urb(zd->rx_urb, GFP_KERNEL);
626 if (err)
627 goto err_buffer;
628
629 err = zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0);
630 if (err)
631 goto err_urb;
632
633 err = zd1201_getconfig(zd, ZD1201_RID_CNFMAXTXBUFFERNUMBER, &zdmax,
634 sizeof(__le16));
635 if (err)
636 goto err_urb;
637
638 max = le16_to_cpu(zdmax);
639 for (i=0; i<max; i++) {
640 err = zd1201_docmd(zd, ZD1201_CMDCODE_ALLOC, 1514, 0, 0);
641 if (err)
642 goto err_urb;
643 }
644
645 return 0;
646
647err_urb:
648 usb_kill_urb(zd->rx_urb);
649 return err;
650err_buffer:
651 kfree(buffer);
652 return err;
653}
654
655
656
657
658
659
660static int zd1201_enable(struct zd1201 *zd)
661{
662 int err;
663
664 if (zd->mac_enabled)
665 return 0;
666
667 err = zd1201_docmd(zd, ZD1201_CMDCODE_ENABLE, 0, 0, 0);
668 if (!err)
669 zd->mac_enabled = 1;
670
671 if (zd->monitor)
672 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 1);
673
674 return err;
675}
676
677static int zd1201_disable(struct zd1201 *zd)
678{
679 int err;
680
681 if (!zd->mac_enabled)
682 return 0;
683 if (zd->monitor) {
684 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0);
685 if (err)
686 return err;
687 }
688
689 err = zd1201_docmd(zd, ZD1201_CMDCODE_DISABLE, 0, 0, 0);
690 if (!err)
691 zd->mac_enabled = 0;
692 return err;
693}
694
695static int zd1201_mac_reset(struct zd1201 *zd)
696{
697 if (!zd->mac_enabled)
698 return 0;
699 zd1201_disable(zd);
700 return zd1201_enable(zd);
701}
702
703static int zd1201_join(struct zd1201 *zd, char *essid, int essidlen)
704{
705 int err, val;
706 char buf[IW_ESSID_MAX_SIZE+2];
707
708 err = zd1201_disable(zd);
709 if (err)
710 return err;
711
712 val = ZD1201_CNFAUTHENTICATION_OPENSYSTEM;
713 val |= ZD1201_CNFAUTHENTICATION_SHAREDKEY;
714 err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, val);
715 if (err)
716 return err;
717
718 *(__le16 *)buf = cpu_to_le16(essidlen);
719 memcpy(buf+2, essid, essidlen);
720 if (!zd->ap) {
721 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf,
722 IW_ESSID_MAX_SIZE+2, 1);
723 if (err)
724 return err;
725 } else {
726 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNSSID, buf,
727 IW_ESSID_MAX_SIZE+2, 1);
728 if (err)
729 return err;
730 }
731
732 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR,
733 zd->dev->dev_addr, zd->dev->addr_len, 1);
734 if (err)
735 return err;
736
737 err = zd1201_enable(zd);
738 if (err)
739 return err;
740
741 msleep(100);
742 return 0;
743}
744
745static int zd1201_net_open(struct net_device *dev)
746{
747 struct zd1201 *zd = netdev_priv(dev);
748
749
750 if (!zd->mac_enabled)
751 zd1201_join(zd, zd->essid, zd->essidlen);
752 netif_start_queue(dev);
753
754 return 0;
755}
756
757static int zd1201_net_stop(struct net_device *dev)
758{
759 netif_stop_queue(dev);
760 return 0;
761}
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783static netdev_tx_t zd1201_hard_start_xmit(struct sk_buff *skb,
784 struct net_device *dev)
785{
786 struct zd1201 *zd = netdev_priv(dev);
787 unsigned char *txbuf = zd->txdata;
788 int txbuflen, pad = 0, err;
789 struct urb *urb = zd->tx_urb;
790
791 if (!zd->mac_enabled || zd->monitor) {
792 dev->stats.tx_dropped++;
793 kfree_skb(skb);
794 return NETDEV_TX_OK;
795 }
796 netif_stop_queue(dev);
797
798 txbuflen = skb->len + 8 + 1;
799 if (txbuflen%64 == 0) {
800 pad = 1;
801 txbuflen++;
802 }
803 txbuf[0] = 0xAA;
804 txbuf[1] = 0xAA;
805 txbuf[2] = 0x03;
806 txbuf[3] = 0x00;
807 txbuf[4] = 0x00;
808 txbuf[5] = 0x00;
809
810 skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12);
811 if (pad)
812 txbuf[skb->len-12+6]=0;
813 skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12);
814 *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6);
815 txbuf[txbuflen-1] = 0;
816
817 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out),
818 txbuf, txbuflen, zd1201_usbtx, zd);
819
820 err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC);
821 if (err) {
822 dev->stats.tx_errors++;
823 netif_start_queue(dev);
824 } else {
825 dev->stats.tx_packets++;
826 dev->stats.tx_bytes += skb->len;
827 }
828 kfree_skb(skb);
829
830 return NETDEV_TX_OK;
831}
832
833static void zd1201_tx_timeout(struct net_device *dev)
834{
835 struct zd1201 *zd = netdev_priv(dev);
836
837 if (!zd)
838 return;
839 dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n",
840 dev->name);
841 usb_unlink_urb(zd->tx_urb);
842 dev->stats.tx_errors++;
843
844 dev->trans_start = jiffies;
845}
846
847static int zd1201_set_mac_address(struct net_device *dev, void *p)
848{
849 struct sockaddr *addr = p;
850 struct zd1201 *zd = netdev_priv(dev);
851 int err;
852
853 if (!zd)
854 return -ENODEV;
855
856 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR,
857 addr->sa_data, dev->addr_len, 1);
858 if (err)
859 return err;
860 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
861
862 return zd1201_mac_reset(zd);
863}
864
865static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev)
866{
867 struct zd1201 *zd = netdev_priv(dev);
868
869 return &zd->iwstats;
870}
871
872static void zd1201_set_multicast(struct net_device *dev)
873{
874 struct zd1201 *zd = netdev_priv(dev);
875 struct netdev_hw_addr *ha;
876 unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI];
877 int i;
878
879 if (netdev_mc_count(dev) > ZD1201_MAXMULTI)
880 return;
881
882 i = 0;
883 netdev_for_each_mc_addr(ha, dev)
884 memcpy(reqbuf + i++ * ETH_ALEN, ha->addr, ETH_ALEN);
885 zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf,
886 netdev_mc_count(dev) * ETH_ALEN, 0);
887}
888
889static int zd1201_config_commit(struct net_device *dev,
890 struct iw_request_info *info, struct iw_point *data, char *essid)
891{
892 struct zd1201 *zd = netdev_priv(dev);
893
894 return zd1201_mac_reset(zd);
895}
896
897static int zd1201_get_name(struct net_device *dev,
898 struct iw_request_info *info, char *name, char *extra)
899{
900 strcpy(name, "IEEE 802.11b");
901 return 0;
902}
903
904static int zd1201_set_freq(struct net_device *dev,
905 struct iw_request_info *info, struct iw_freq *freq, char *extra)
906{
907 struct zd1201 *zd = netdev_priv(dev);
908 short channel = 0;
909 int err;
910
911 if (freq->e == 0)
912 channel = freq->m;
913 else {
914 channel = ieee80211_freq_to_dsss_chan(freq->m);
915 if (channel < 0)
916 channel = 0;
917 }
918
919 err = zd1201_setconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, channel);
920 if (err)
921 return err;
922
923 zd1201_mac_reset(zd);
924
925 return 0;
926}
927
928static int zd1201_get_freq(struct net_device *dev,
929 struct iw_request_info *info, struct iw_freq *freq, char *extra)
930{
931 struct zd1201 *zd = netdev_priv(dev);
932 short channel;
933 int err;
934
935 err = zd1201_getconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, &channel);
936 if (err)
937 return err;
938 freq->e = 0;
939 freq->m = channel;
940
941 return 0;
942}
943
944static int zd1201_set_mode(struct net_device *dev,
945 struct iw_request_info *info, __u32 *mode, char *extra)
946{
947 struct zd1201 *zd = netdev_priv(dev);
948 short porttype, monitor = 0;
949 unsigned char buffer[IW_ESSID_MAX_SIZE+2];
950 int err;
951
952 if (zd->ap) {
953 if (*mode != IW_MODE_MASTER)
954 return -EINVAL;
955 return 0;
956 }
957
958 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0);
959 if (err)
960 return err;
961 zd->dev->type = ARPHRD_ETHER;
962 switch(*mode) {
963 case IW_MODE_MONITOR:
964 monitor = 1;
965 zd->dev->type = ARPHRD_IEEE80211;
966
967
968
969
970 zd1201_join(zd, "\0-*#\0", 5);
971
972 case 8:
973 porttype = ZD1201_PORTTYPE_PSEUDOIBSS;
974 break;
975 case IW_MODE_ADHOC:
976 porttype = ZD1201_PORTTYPE_IBSS;
977 break;
978 case IW_MODE_INFRA:
979 porttype = ZD1201_PORTTYPE_BSS;
980 break;
981 default:
982 return -EINVAL;
983 }
984
985 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype);
986 if (err)
987 return err;
988 if (zd->monitor && !monitor) {
989 zd1201_disable(zd);
990 *(__le16 *)buffer = cpu_to_le16(zd->essidlen);
991 memcpy(buffer+2, zd->essid, zd->essidlen);
992 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID,
993 buffer, IW_ESSID_MAX_SIZE+2, 1);
994 if (err)
995 return err;
996 }
997 zd->monitor = monitor;
998
999
1000
1001 zd1201_mac_reset(zd);
1002
1003 return 0;
1004}
1005
1006static int zd1201_get_mode(struct net_device *dev,
1007 struct iw_request_info *info, __u32 *mode, char *extra)
1008{
1009 struct zd1201 *zd = netdev_priv(dev);
1010 short porttype;
1011 int err;
1012
1013 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPORTTYPE, &porttype);
1014 if (err)
1015 return err;
1016 switch(porttype) {
1017 case ZD1201_PORTTYPE_IBSS:
1018 *mode = IW_MODE_ADHOC;
1019 break;
1020 case ZD1201_PORTTYPE_BSS:
1021 *mode = IW_MODE_INFRA;
1022 break;
1023 case ZD1201_PORTTYPE_WDS:
1024 *mode = IW_MODE_REPEAT;
1025 break;
1026 case ZD1201_PORTTYPE_PSEUDOIBSS:
1027 *mode = 8;
1028 break;
1029 case ZD1201_PORTTYPE_AP:
1030 *mode = IW_MODE_MASTER;
1031 break;
1032 default:
1033 dev_dbg(&zd->usb->dev, "Unknown porttype: %d\n",
1034 porttype);
1035 *mode = IW_MODE_AUTO;
1036 }
1037 if (zd->monitor)
1038 *mode = IW_MODE_MONITOR;
1039
1040 return 0;
1041}
1042
1043static int zd1201_get_range(struct net_device *dev,
1044 struct iw_request_info *info, struct iw_point *wrq, char *extra)
1045{
1046 struct iw_range *range = (struct iw_range *)extra;
1047
1048 wrq->length = sizeof(struct iw_range);
1049 memset(range, 0, sizeof(struct iw_range));
1050 range->we_version_compiled = WIRELESS_EXT;
1051 range->we_version_source = WIRELESS_EXT;
1052
1053 range->max_qual.qual = 128;
1054 range->max_qual.level = 128;
1055 range->max_qual.noise = 128;
1056 range->max_qual.updated = 7;
1057
1058 range->encoding_size[0] = 5;
1059 range->encoding_size[1] = 13;
1060 range->num_encoding_sizes = 2;
1061 range->max_encoding_tokens = ZD1201_NUMKEYS;
1062
1063 range->num_bitrates = 4;
1064 range->bitrate[0] = 1000000;
1065 range->bitrate[1] = 2000000;
1066 range->bitrate[2] = 5500000;
1067 range->bitrate[3] = 11000000;
1068
1069 range->min_rts = 0;
1070 range->min_frag = ZD1201_FRAGMIN;
1071 range->max_rts = ZD1201_RTSMAX;
1072 range->min_frag = ZD1201_FRAGMAX;
1073
1074 return 0;
1075}
1076
1077
1078
1079
1080
1081
1082static int zd1201_get_wap(struct net_device *dev,
1083 struct iw_request_info *info, struct sockaddr *ap_addr, char *extra)
1084{
1085 struct zd1201 *zd = netdev_priv(dev);
1086 unsigned char buffer[6];
1087
1088 if (!zd1201_getconfig(zd, ZD1201_RID_COMMSQUALITY, buffer, 6)) {
1089
1090
1091
1092
1093
1094
1095 zd->iwstats.qual.level = le16_to_cpu(((__le16 *)buffer)[1]);
1096
1097 zd->iwstats.qual.updated = 2;
1098 }
1099
1100 return zd1201_getconfig(zd, ZD1201_RID_CURRENTBSSID, ap_addr->sa_data, 6);
1101}
1102
1103static int zd1201_set_scan(struct net_device *dev,
1104 struct iw_request_info *info, struct iw_point *srq, char *extra)
1105{
1106
1107 return 0;
1108}
1109
1110static int zd1201_get_scan(struct net_device *dev,
1111 struct iw_request_info *info, struct iw_point *srq, char *extra)
1112{
1113 struct zd1201 *zd = netdev_priv(dev);
1114 int err, i, j, enabled_save;
1115 struct iw_event iwe;
1116 char *cev = extra;
1117 char *end_buf = extra + IW_SCAN_MAX_DATA;
1118
1119
1120 if (zd->ap)
1121 return -EOPNOTSUPP;
1122
1123
1124 enabled_save = zd->mac_enabled;
1125 zd1201_enable(zd);
1126
1127 zd->rxdatas = 0;
1128 err = zd1201_docmd(zd, ZD1201_CMDCODE_INQUIRE,
1129 ZD1201_INQ_SCANRESULTS, 0, 0);
1130 if (err)
1131 return err;
1132
1133 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
1134 if (!zd->rxlen)
1135 return -EIO;
1136
1137 if (le16_to_cpu(*(__le16*)&zd->rxdata[2]) != ZD1201_INQ_SCANRESULTS)
1138 return -EIO;
1139
1140 for(i=8; i<zd->rxlen; i+=62) {
1141 iwe.cmd = SIOCGIWAP;
1142 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1143 memcpy(iwe.u.ap_addr.sa_data, zd->rxdata+i+6, 6);
1144 cev = iwe_stream_add_event(info, cev, end_buf,
1145 &iwe, IW_EV_ADDR_LEN);
1146
1147 iwe.cmd = SIOCGIWESSID;
1148 iwe.u.data.length = zd->rxdata[i+16];
1149 iwe.u.data.flags = 1;
1150 cev = iwe_stream_add_point(info, cev, end_buf,
1151 &iwe, zd->rxdata+i+18);
1152
1153 iwe.cmd = SIOCGIWMODE;
1154 if (zd->rxdata[i+14]&0x01)
1155 iwe.u.mode = IW_MODE_MASTER;
1156 else
1157 iwe.u.mode = IW_MODE_ADHOC;
1158 cev = iwe_stream_add_event(info, cev, end_buf,
1159 &iwe, IW_EV_UINT_LEN);
1160
1161 iwe.cmd = SIOCGIWFREQ;
1162 iwe.u.freq.m = zd->rxdata[i+0];
1163 iwe.u.freq.e = 0;
1164 cev = iwe_stream_add_event(info, cev, end_buf,
1165 &iwe, IW_EV_FREQ_LEN);
1166
1167 iwe.cmd = SIOCGIWRATE;
1168 iwe.u.bitrate.fixed = 0;
1169 iwe.u.bitrate.disabled = 0;
1170 for (j=0; j<10; j++) if (zd->rxdata[i+50+j]) {
1171 iwe.u.bitrate.value = (zd->rxdata[i+50+j]&0x7f)*500000;
1172 cev = iwe_stream_add_event(info, cev, end_buf,
1173 &iwe, IW_EV_PARAM_LEN);
1174 }
1175
1176 iwe.cmd = SIOCGIWENCODE;
1177 iwe.u.data.length = 0;
1178 if (zd->rxdata[i+14]&0x10)
1179 iwe.u.data.flags = IW_ENCODE_ENABLED;
1180 else
1181 iwe.u.data.flags = IW_ENCODE_DISABLED;
1182 cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL);
1183
1184 iwe.cmd = IWEVQUAL;
1185 iwe.u.qual.qual = zd->rxdata[i+4];
1186 iwe.u.qual.noise= zd->rxdata[i+2]/10-100;
1187 iwe.u.qual.level = (256+zd->rxdata[i+4]*100)/255-100;
1188 iwe.u.qual.updated = 7;
1189 cev = iwe_stream_add_event(info, cev, end_buf,
1190 &iwe, IW_EV_QUAL_LEN);
1191 }
1192
1193 if (!enabled_save)
1194 zd1201_disable(zd);
1195
1196 srq->length = cev - extra;
1197 srq->flags = 0;
1198
1199 return 0;
1200}
1201
1202static int zd1201_set_essid(struct net_device *dev,
1203 struct iw_request_info *info, struct iw_point *data, char *essid)
1204{
1205 struct zd1201 *zd = netdev_priv(dev);
1206
1207 if (data->length > IW_ESSID_MAX_SIZE)
1208 return -EINVAL;
1209 if (data->length < 1)
1210 data->length = 1;
1211 zd->essidlen = data->length;
1212 memset(zd->essid, 0, IW_ESSID_MAX_SIZE+1);
1213 memcpy(zd->essid, essid, data->length);
1214 return zd1201_join(zd, zd->essid, zd->essidlen);
1215}
1216
1217static int zd1201_get_essid(struct net_device *dev,
1218 struct iw_request_info *info, struct iw_point *data, char *essid)
1219{
1220 struct zd1201 *zd = netdev_priv(dev);
1221
1222 memcpy(essid, zd->essid, zd->essidlen);
1223 data->flags = 1;
1224 data->length = zd->essidlen;
1225
1226 return 0;
1227}
1228
1229static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info,
1230 struct iw_point *data, char *nick)
1231{
1232 strcpy(nick, "zd1201");
1233 data->flags = 1;
1234 data->length = strlen(nick);
1235 return 0;
1236}
1237
1238static int zd1201_set_rate(struct net_device *dev,
1239 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1240{
1241 struct zd1201 *zd = netdev_priv(dev);
1242 short rate;
1243 int err;
1244
1245 switch (rrq->value) {
1246 case 1000000:
1247 rate = ZD1201_RATEB1;
1248 break;
1249 case 2000000:
1250 rate = ZD1201_RATEB2;
1251 break;
1252 case 5500000:
1253 rate = ZD1201_RATEB5;
1254 break;
1255 case 11000000:
1256 default:
1257 rate = ZD1201_RATEB11;
1258 break;
1259 }
1260 if (!rrq->fixed) {
1261 rate |= rate-1;
1262 }
1263
1264 err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate);
1265 if (err)
1266 return err;
1267
1268 return zd1201_mac_reset(zd);
1269}
1270
1271static int zd1201_get_rate(struct net_device *dev,
1272 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1273{
1274 struct zd1201 *zd = netdev_priv(dev);
1275 short rate;
1276 int err;
1277
1278 err = zd1201_getconfig16(zd, ZD1201_RID_CURRENTTXRATE, &rate);
1279 if (err)
1280 return err;
1281
1282 switch(rate) {
1283 case 1:
1284 rrq->value = 1000000;
1285 break;
1286 case 2:
1287 rrq->value = 2000000;
1288 break;
1289 case 5:
1290 rrq->value = 5500000;
1291 break;
1292 case 11:
1293 rrq->value = 11000000;
1294 break;
1295 default:
1296 rrq->value = 0;
1297 }
1298 rrq->fixed = 0;
1299 rrq->disabled = 0;
1300
1301 return 0;
1302}
1303
1304static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info,
1305 struct iw_param *rts, char *extra)
1306{
1307 struct zd1201 *zd = netdev_priv(dev);
1308 int err;
1309 short val = rts->value;
1310
1311 if (rts->disabled || !rts->fixed)
1312 val = ZD1201_RTSMAX;
1313 if (val > ZD1201_RTSMAX)
1314 return -EINVAL;
1315 if (val < 0)
1316 return -EINVAL;
1317
1318 err = zd1201_setconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, val);
1319 if (err)
1320 return err;
1321 return zd1201_mac_reset(zd);
1322}
1323
1324static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info,
1325 struct iw_param *rts, char *extra)
1326{
1327 struct zd1201 *zd = netdev_priv(dev);
1328 short rtst;
1329 int err;
1330
1331 err = zd1201_getconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, &rtst);
1332 if (err)
1333 return err;
1334 rts->value = rtst;
1335 rts->disabled = (rts->value == ZD1201_RTSMAX);
1336 rts->fixed = 1;
1337
1338 return 0;
1339}
1340
1341static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info,
1342 struct iw_param *frag, char *extra)
1343{
1344 struct zd1201 *zd = netdev_priv(dev);
1345 int err;
1346 short val = frag->value;
1347
1348 if (frag->disabled || !frag->fixed)
1349 val = ZD1201_FRAGMAX;
1350 if (val > ZD1201_FRAGMAX)
1351 return -EINVAL;
1352 if (val < ZD1201_FRAGMIN)
1353 return -EINVAL;
1354 if (val & 1)
1355 return -EINVAL;
1356 err = zd1201_setconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, val);
1357 if (err)
1358 return err;
1359 return zd1201_mac_reset(zd);
1360}
1361
1362static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info,
1363 struct iw_param *frag, char *extra)
1364{
1365 struct zd1201 *zd = netdev_priv(dev);
1366 short fragt;
1367 int err;
1368
1369 err = zd1201_getconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, &fragt);
1370 if (err)
1371 return err;
1372 frag->value = fragt;
1373 frag->disabled = (frag->value == ZD1201_FRAGMAX);
1374 frag->fixed = 1;
1375
1376 return 0;
1377}
1378
1379static int zd1201_set_retry(struct net_device *dev,
1380 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1381{
1382 return 0;
1383}
1384
1385static int zd1201_get_retry(struct net_device *dev,
1386 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1387{
1388 return 0;
1389}
1390
1391static int zd1201_set_encode(struct net_device *dev,
1392 struct iw_request_info *info, struct iw_point *erq, char *key)
1393{
1394 struct zd1201 *zd = netdev_priv(dev);
1395 short i;
1396 int err, rid;
1397
1398 if (erq->length > ZD1201_MAXKEYLEN)
1399 return -EINVAL;
1400
1401 i = (erq->flags & IW_ENCODE_INDEX)-1;
1402 if (i == -1) {
1403 err = zd1201_getconfig16(zd,ZD1201_RID_CNFDEFAULTKEYID,&i);
1404 if (err)
1405 return err;
1406 } else {
1407 err = zd1201_setconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, i);
1408 if (err)
1409 return err;
1410 }
1411
1412 if (i < 0 || i >= ZD1201_NUMKEYS)
1413 return -EINVAL;
1414
1415 rid = ZD1201_RID_CNFDEFAULTKEY0 + i;
1416 err = zd1201_setconfig(zd, rid, key, erq->length, 1);
1417 if (err)
1418 return err;
1419 zd->encode_keylen[i] = erq->length;
1420 memcpy(zd->encode_keys[i], key, erq->length);
1421
1422 i=0;
1423 if (!(erq->flags & IW_ENCODE_DISABLED & IW_ENCODE_MODE)) {
1424 i |= 0x01;
1425 zd->encode_enabled = 1;
1426 } else
1427 zd->encode_enabled = 0;
1428 if (erq->flags & IW_ENCODE_RESTRICTED & IW_ENCODE_MODE) {
1429 i |= 0x02;
1430 zd->encode_restricted = 1;
1431 } else
1432 zd->encode_restricted = 0;
1433 err = zd1201_setconfig16(zd, ZD1201_RID_CNFWEBFLAGS, i);
1434 if (err)
1435 return err;
1436
1437 if (zd->encode_enabled)
1438 i = ZD1201_CNFAUTHENTICATION_SHAREDKEY;
1439 else
1440 i = ZD1201_CNFAUTHENTICATION_OPENSYSTEM;
1441 err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, i);
1442 if (err)
1443 return err;
1444
1445 return zd1201_mac_reset(zd);
1446}
1447
1448static int zd1201_get_encode(struct net_device *dev,
1449 struct iw_request_info *info, struct iw_point *erq, char *key)
1450{
1451 struct zd1201 *zd = netdev_priv(dev);
1452 short i;
1453 int err;
1454
1455 if (zd->encode_enabled)
1456 erq->flags = IW_ENCODE_ENABLED;
1457 else
1458 erq->flags = IW_ENCODE_DISABLED;
1459 if (zd->encode_restricted)
1460 erq->flags |= IW_ENCODE_RESTRICTED;
1461 else
1462 erq->flags |= IW_ENCODE_OPEN;
1463
1464 i = (erq->flags & IW_ENCODE_INDEX) -1;
1465 if (i == -1) {
1466 err = zd1201_getconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, &i);
1467 if (err)
1468 return err;
1469 }
1470 if (i<0 || i>= ZD1201_NUMKEYS)
1471 return -EINVAL;
1472
1473 erq->flags |= i+1;
1474
1475 erq->length = zd->encode_keylen[i];
1476 memcpy(key, zd->encode_keys[i], erq->length);
1477
1478 return 0;
1479}
1480
1481static int zd1201_set_power(struct net_device *dev,
1482 struct iw_request_info *info, struct iw_param *vwrq, char *extra)
1483{
1484 struct zd1201 *zd = netdev_priv(dev);
1485 short enabled, duration, level;
1486 int err;
1487
1488 enabled = vwrq->disabled ? 0 : 1;
1489 if (enabled) {
1490 if (vwrq->flags & IW_POWER_PERIOD) {
1491 duration = vwrq->value;
1492 err = zd1201_setconfig16(zd,
1493 ZD1201_RID_CNFMAXSLEEPDURATION, duration);
1494 if (err)
1495 return err;
1496 goto out;
1497 }
1498 if (vwrq->flags & IW_POWER_TIMEOUT) {
1499 err = zd1201_getconfig16(zd,
1500 ZD1201_RID_CNFMAXSLEEPDURATION, &duration);
1501 if (err)
1502 return err;
1503 level = vwrq->value * 4 / duration;
1504 if (level > 4)
1505 level = 4;
1506 if (level < 0)
1507 level = 0;
1508 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMEPS,
1509 level);
1510 if (err)
1511 return err;
1512 goto out;
1513 }
1514 return -EINVAL;
1515 }
1516out:
1517 return zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled);
1518}
1519
1520static int zd1201_get_power(struct net_device *dev,
1521 struct iw_request_info *info, struct iw_param *vwrq, char *extra)
1522{
1523 struct zd1201 *zd = netdev_priv(dev);
1524 short enabled, level, duration;
1525 int err;
1526
1527 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMENABLED, &enabled);
1528 if (err)
1529 return err;
1530 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMEPS, &level);
1531 if (err)
1532 return err;
1533 err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXSLEEPDURATION, &duration);
1534 if (err)
1535 return err;
1536 vwrq->disabled = enabled ? 0 : 1;
1537 if (vwrq->flags & IW_POWER_TYPE) {
1538 if (vwrq->flags & IW_POWER_PERIOD) {
1539 vwrq->value = duration;
1540 vwrq->flags = IW_POWER_PERIOD;
1541 } else {
1542 vwrq->value = duration * level / 4;
1543 vwrq->flags = IW_POWER_TIMEOUT;
1544 }
1545 }
1546 if (vwrq->flags & IW_POWER_MODE) {
1547 if (enabled && level)
1548 vwrq->flags = IW_POWER_UNICAST_R;
1549 else
1550 vwrq->flags = IW_POWER_ALL_R;
1551 }
1552
1553 return 0;
1554}
1555
1556
1557static const iw_handler zd1201_iw_handler[] =
1558{
1559 (iw_handler) zd1201_config_commit,
1560 (iw_handler) zd1201_get_name,
1561 (iw_handler) NULL,
1562 (iw_handler) NULL,
1563 (iw_handler) zd1201_set_freq,
1564 (iw_handler) zd1201_get_freq,
1565 (iw_handler) zd1201_set_mode,
1566 (iw_handler) zd1201_get_mode,
1567 (iw_handler) NULL,
1568 (iw_handler) NULL,
1569 (iw_handler) NULL,
1570 (iw_handler) zd1201_get_range,
1571 (iw_handler) NULL,
1572 (iw_handler) NULL,
1573 (iw_handler) NULL,
1574 (iw_handler) NULL,
1575 (iw_handler) NULL,
1576 (iw_handler) NULL,
1577 (iw_handler) NULL,
1578 (iw_handler) NULL,
1579 (iw_handler) NULL,
1580 (iw_handler) zd1201_get_wap,
1581 (iw_handler) NULL,
1582 (iw_handler) NULL,
1583 (iw_handler) zd1201_set_scan,
1584 (iw_handler) zd1201_get_scan,
1585 (iw_handler) zd1201_set_essid,
1586 (iw_handler) zd1201_get_essid,
1587 (iw_handler) NULL,
1588 (iw_handler) zd1201_get_nick,
1589 (iw_handler) NULL,
1590 (iw_handler) NULL,
1591 (iw_handler) zd1201_set_rate,
1592 (iw_handler) zd1201_get_rate,
1593 (iw_handler) zd1201_set_rts,
1594 (iw_handler) zd1201_get_rts,
1595 (iw_handler) zd1201_set_frag,
1596 (iw_handler) zd1201_get_frag,
1597 (iw_handler) NULL,
1598 (iw_handler) NULL,
1599 (iw_handler) zd1201_set_retry,
1600 (iw_handler) zd1201_get_retry,
1601 (iw_handler) zd1201_set_encode,
1602 (iw_handler) zd1201_get_encode,
1603 (iw_handler) zd1201_set_power,
1604 (iw_handler) zd1201_get_power,
1605};
1606
1607static int zd1201_set_hostauth(struct net_device *dev,
1608 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1609{
1610 struct zd1201 *zd = netdev_priv(dev);
1611
1612 if (!zd->ap)
1613 return -EOPNOTSUPP;
1614
1615 return zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value);
1616}
1617
1618static int zd1201_get_hostauth(struct net_device *dev,
1619 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1620{
1621 struct zd1201 *zd = netdev_priv(dev);
1622 short hostauth;
1623 int err;
1624
1625 if (!zd->ap)
1626 return -EOPNOTSUPP;
1627
1628 err = zd1201_getconfig16(zd, ZD1201_RID_CNFHOSTAUTH, &hostauth);
1629 if (err)
1630 return err;
1631 rrq->value = hostauth;
1632 rrq->fixed = 1;
1633
1634 return 0;
1635}
1636
1637static int zd1201_auth_sta(struct net_device *dev,
1638 struct iw_request_info *info, struct sockaddr *sta, char *extra)
1639{
1640 struct zd1201 *zd = netdev_priv(dev);
1641 unsigned char buffer[10];
1642
1643 if (!zd->ap)
1644 return -EOPNOTSUPP;
1645
1646 memcpy(buffer, sta->sa_data, ETH_ALEN);
1647 *(short*)(buffer+6) = 0;
1648 *(short*)(buffer+8) = 0;
1649
1650 return zd1201_setconfig(zd, ZD1201_RID_AUTHENTICATESTA, buffer, 10, 1);
1651}
1652
1653static int zd1201_set_maxassoc(struct net_device *dev,
1654 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1655{
1656 struct zd1201 *zd = netdev_priv(dev);
1657 int err;
1658
1659 if (!zd->ap)
1660 return -EOPNOTSUPP;
1661
1662 err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, rrq->value);
1663 if (err)
1664 return err;
1665 return 0;
1666}
1667
1668static int zd1201_get_maxassoc(struct net_device *dev,
1669 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1670{
1671 struct zd1201 *zd = netdev_priv(dev);
1672 short maxassoc;
1673 int err;
1674
1675 if (!zd->ap)
1676 return -EOPNOTSUPP;
1677
1678 err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, &maxassoc);
1679 if (err)
1680 return err;
1681 rrq->value = maxassoc;
1682 rrq->fixed = 1;
1683
1684 return 0;
1685}
1686
1687static const iw_handler zd1201_private_handler[] = {
1688 (iw_handler) zd1201_set_hostauth,
1689 (iw_handler) zd1201_get_hostauth,
1690 (iw_handler) zd1201_auth_sta,
1691 (iw_handler) NULL,
1692 (iw_handler) zd1201_set_maxassoc,
1693 (iw_handler) zd1201_get_maxassoc,
1694};
1695
1696static const struct iw_priv_args zd1201_private_args[] = {
1697 { ZD1201SIWHOSTAUTH, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1698 IW_PRIV_TYPE_NONE, "sethostauth" },
1699 { ZD1201GIWHOSTAUTH, IW_PRIV_TYPE_NONE,
1700 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostauth" },
1701 { ZD1201SIWAUTHSTA, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1,
1702 IW_PRIV_TYPE_NONE, "authstation" },
1703 { ZD1201SIWMAXASSOC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1704 IW_PRIV_TYPE_NONE, "setmaxassoc" },
1705 { ZD1201GIWMAXASSOC, IW_PRIV_TYPE_NONE,
1706 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmaxassoc" },
1707};
1708
1709static const struct iw_handler_def zd1201_iw_handlers = {
1710 .num_standard = ARRAY_SIZE(zd1201_iw_handler),
1711 .num_private = ARRAY_SIZE(zd1201_private_handler),
1712 .num_private_args = ARRAY_SIZE(zd1201_private_args),
1713 .standard = (iw_handler *)zd1201_iw_handler,
1714 .private = (iw_handler *)zd1201_private_handler,
1715 .private_args = (struct iw_priv_args *) zd1201_private_args,
1716 .get_wireless_stats = zd1201_get_wireless_stats,
1717};
1718
1719static const struct net_device_ops zd1201_netdev_ops = {
1720 .ndo_open = zd1201_net_open,
1721 .ndo_stop = zd1201_net_stop,
1722 .ndo_start_xmit = zd1201_hard_start_xmit,
1723 .ndo_tx_timeout = zd1201_tx_timeout,
1724 .ndo_set_rx_mode = zd1201_set_multicast,
1725 .ndo_set_mac_address = zd1201_set_mac_address,
1726 .ndo_change_mtu = eth_change_mtu,
1727 .ndo_validate_addr = eth_validate_addr,
1728};
1729
1730static int zd1201_probe(struct usb_interface *interface,
1731 const struct usb_device_id *id)
1732{
1733 struct zd1201 *zd;
1734 struct net_device *dev;
1735 struct usb_device *usb;
1736 int err;
1737 short porttype;
1738 char buf[IW_ESSID_MAX_SIZE+2];
1739
1740 usb = interface_to_usbdev(interface);
1741
1742 dev = alloc_etherdev(sizeof(*zd));
1743 if (!dev)
1744 return -ENOMEM;
1745 zd = netdev_priv(dev);
1746 zd->dev = dev;
1747
1748 zd->ap = ap;
1749 zd->usb = usb;
1750 zd->removed = 0;
1751 init_waitqueue_head(&zd->rxdataq);
1752 INIT_HLIST_HEAD(&zd->fraglist);
1753
1754 err = zd1201_fw_upload(usb, zd->ap);
1755 if (err) {
1756 dev_err(&usb->dev, "zd1201 firmware upload failed: %d\n", err);
1757 goto err_zd;
1758 }
1759
1760 zd->endp_in = 1;
1761 zd->endp_out = 1;
1762 zd->endp_out2 = 2;
1763 zd->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
1764 zd->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
1765 if (!zd->rx_urb || !zd->tx_urb)
1766 goto err_zd;
1767
1768 mdelay(100);
1769 err = zd1201_drvr_start(zd);
1770 if (err)
1771 goto err_zd;
1772
1773 err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXDATALEN, 2312);
1774 if (err)
1775 goto err_start;
1776
1777 err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL,
1778 ZD1201_RATEB1 | ZD1201_RATEB2 | ZD1201_RATEB5 | ZD1201_RATEB11);
1779 if (err)
1780 goto err_start;
1781
1782 dev->netdev_ops = &zd1201_netdev_ops;
1783 dev->wireless_handlers = &zd1201_iw_handlers;
1784 dev->watchdog_timeo = ZD1201_TX_TIMEOUT;
1785 strcpy(dev->name, "wlan%d");
1786
1787 err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR,
1788 dev->dev_addr, dev->addr_len);
1789 if (err)
1790 goto err_start;
1791
1792
1793 *(__le16 *)buf = cpu_to_le16(0);
1794 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf,
1795 IW_ESSID_MAX_SIZE+2, 1);
1796 if (err)
1797 goto err_start;
1798
1799 if (zd->ap)
1800 porttype = ZD1201_PORTTYPE_AP;
1801 else
1802 porttype = ZD1201_PORTTYPE_BSS;
1803 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype);
1804 if (err)
1805 goto err_start;
1806
1807 SET_NETDEV_DEV(dev, &usb->dev);
1808
1809 err = register_netdev(dev);
1810 if (err)
1811 goto err_start;
1812 dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n",
1813 dev->name);
1814
1815 usb_set_intfdata(interface, zd);
1816 zd1201_enable(zd);
1817 zd1201_disable(zd);
1818 return 0;
1819
1820err_start:
1821
1822 zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0);
1823err_zd:
1824 usb_free_urb(zd->tx_urb);
1825 usb_free_urb(zd->rx_urb);
1826 free_netdev(dev);
1827 return err;
1828}
1829
1830static void zd1201_disconnect(struct usb_interface *interface)
1831{
1832 struct zd1201 *zd = usb_get_intfdata(interface);
1833 struct hlist_node *node2;
1834 struct zd1201_frag *frag;
1835
1836 if (!zd)
1837 return;
1838 usb_set_intfdata(interface, NULL);
1839
1840 hlist_for_each_entry_safe(frag, node2, &zd->fraglist, fnode) {
1841 hlist_del_init(&frag->fnode);
1842 kfree_skb(frag->skb);
1843 kfree(frag);
1844 }
1845
1846 if (zd->tx_urb) {
1847 usb_kill_urb(zd->tx_urb);
1848 usb_free_urb(zd->tx_urb);
1849 }
1850 if (zd->rx_urb) {
1851 usb_kill_urb(zd->rx_urb);
1852 usb_free_urb(zd->rx_urb);
1853 }
1854
1855 if (zd->dev) {
1856 unregister_netdev(zd->dev);
1857 free_netdev(zd->dev);
1858 }
1859}
1860
1861#ifdef CONFIG_PM
1862
1863static int zd1201_suspend(struct usb_interface *interface,
1864 pm_message_t message)
1865{
1866 struct zd1201 *zd = usb_get_intfdata(interface);
1867
1868 netif_device_detach(zd->dev);
1869
1870 zd->was_enabled = zd->mac_enabled;
1871
1872 if (zd->was_enabled)
1873 return zd1201_disable(zd);
1874 else
1875 return 0;
1876}
1877
1878static int zd1201_resume(struct usb_interface *interface)
1879{
1880 struct zd1201 *zd = usb_get_intfdata(interface);
1881
1882 if (!zd || !zd->dev)
1883 return -ENODEV;
1884
1885 netif_device_attach(zd->dev);
1886
1887 if (zd->was_enabled)
1888 return zd1201_enable(zd);
1889 else
1890 return 0;
1891}
1892
1893#else
1894
1895#define zd1201_suspend NULL
1896#define zd1201_resume NULL
1897
1898#endif
1899
1900static struct usb_driver zd1201_usb = {
1901 .name = "zd1201",
1902 .probe = zd1201_probe,
1903 .disconnect = zd1201_disconnect,
1904 .id_table = zd1201_table,
1905 .suspend = zd1201_suspend,
1906 .resume = zd1201_resume,
1907 .disable_hub_initiated_lpm = 1,
1908};
1909
1910module_usb_driver(zd1201_usb);
1911
