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stmmac: update the driver's module version
[deliverable/linux.git] / drivers / net / wireless / zd1201.c
CommitLineData
1da177e4
LT		 1/*
2 * Driver for ZyDAS zd1201 based wireless USB devices.
3 *
4 * Copyright (c) 2004, 2005 Jeroen Vreeken (pe1rxq@amsat.org)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
9 *
10 * Parts of this driver have been derived from a wlan-ng version
11 * modified by ZyDAS. They also made documentation available, thanks!
12 * Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
13 */
14
15#include <linux/module.h>
16#include <linux/usb.h>
17#include <linux/netdevice.h>
18#include <linux/etherdevice.h>
19#include <linux/wireless.h>
2c706002 20#include <linux/ieee80211.h>
1da177e4
LT		 21#include <net/iw_handler.h>
22#include <linux/string.h>
23#include <linux/if_arp.h>
24#include <linux/firmware.h>
1da177e4
LT		 25#include "zd1201.h"
26
27static struct usb_device_id zd1201_table[] = {
28 {USB_DEVICE(0x0586, 0x3400)}, /* Peabird Wireless USB Adapter */
29 {USB_DEVICE(0x0ace, 0x1201)}, /* ZyDAS ZD1201 Wireless USB Adapter */
30 {USB_DEVICE(0x050d, 0x6051)}, /* Belkin F5D6051 usb adapter */
31 {USB_DEVICE(0x0db0, 0x6823)}, /* MSI UB11B usb adapter */
f2908097 32 {USB_DEVICE(0x1044, 0x8005)}, /* GIGABYTE GN-WLBZ201 usb adapter */
1da177e4
LT		 33 {}
34};
35
2a806340 36static int ap; /* Are we an AP or a normal station? */
1da177e4
LT		 37
38#define ZD1201_VERSION "0.15"
39
40MODULE_AUTHOR("Jeroen Vreeken <pe1rxq@amsat.org>");
41MODULE_DESCRIPTION("Driver for ZyDAS ZD1201 based USB Wireless adapters");
42MODULE_VERSION(ZD1201_VERSION);
43MODULE_LICENSE("GPL");
44module_param(ap, int, 0);
45MODULE_PARM_DESC(ap, "If non-zero Access Point firmware will be loaded");
46MODULE_DEVICE_TABLE(usb, zd1201_table);
47
48
2e0a6b8c 49static int zd1201_fw_upload(struct usb_device *dev, int apfw)
1da177e4
LT		 50{
51 const struct firmware *fw_entry;
45ef0bdb 52 const char *data;
1da177e4
LT		 53 unsigned long len;
54 int err;
55 unsigned char ret;
56 char *buf;
57 char *fwfile;
58
59 if (apfw)
60 fwfile = "zd1201-ap.fw";
61 else
62 fwfile = "zd1201.fw";
63
64 err = request_firmware(&fw_entry, fwfile, &dev->dev);
65 if (err) {
66 dev_err(&dev->dev, "Failed to load %s firmware file!\n", fwfile);
67 dev_err(&dev->dev, "Make sure the hotplug firmware loader is installed.\n");
2a806340 68 dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info.\n");
1da177e4
LT		 69 return err;
70 }
71
72 data = fw_entry->data;
73 len = fw_entry->size;
74
75 buf = kmalloc(1024, GFP_ATOMIC);
76 if (!buf)
77 goto exit;
78
79 while (len > 0) {
80 int translen = (len > 1024) ? 1024 : len;
81 memcpy(buf, data, translen);
82
83 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0,
84 USB_DIR_OUT | 0x40, 0, 0, buf, translen,
85 ZD1201_FW_TIMEOUT);
86 if (err < 0)
87 goto exit;
88
89 len -= translen;
90 data += translen;
91 }
92
93 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 0x2,
94 USB_DIR_OUT | 0x40, 0, 0, NULL, 0, ZD1201_FW_TIMEOUT);
95 if (err < 0)
96 goto exit;
2a806340 97
1da177e4
LT		 98 err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4,
99 USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT);
100 if (err < 0)
101 goto exit;
2a806340 102
1da177e4
LT		 103 if (ret & 0x80) {
104 err = -EIO;
105 goto exit;
106 }
107
108 err = 0;
109exit:
1bc3c9e1 110 kfree(buf);
1da177e4
LT		 111 release_firmware(fw_entry);
112 return err;
113}
114
e01b0e0f
BH		 115MODULE_FIRMWARE("zd1201-ap.fw");
116MODULE_FIRMWARE("zd1201.fw");
117
7d12e780 118static void zd1201_usbfree(struct urb *urb)
1da177e4
LT		 119{
120 struct zd1201 *zd = urb->context;
121
122 switch(urb->status) {
123 case -EILSEQ:
124 case -ENODEV:
38e2bfc9 125 case -ETIME:
1da177e4
LT		 126 case -ENOENT:
127 case -EPIPE:
128 case -EOVERFLOW:
129 case -ESHUTDOWN:
130 dev_warn(&zd->usb->dev, "%s: urb failed: %d\n",
131 zd->dev->name, urb->status);
132 }
133
134 kfree(urb->transfer_buffer);
135 usb_free_urb(urb);
136 return;
137}
138
139/* cmdreq message:
140 u32 type
141 u16 cmd
142 u16 parm0
143 u16 parm1
144 u16 parm2
145 u8 pad[4]
146
147 total: 4 + 2 + 2 + 2 + 2 + 4 = 16
148*/
2e0a6b8c
AB		 149static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0,
150 int parm1, int parm2)
1da177e4
LT		 151{
152 unsigned char *command;
153 int ret;
154 struct urb *urb;
155
156 command = kmalloc(16, GFP_ATOMIC);
157 if (!command)
158 return -ENOMEM;
159
160 *((__le32*)command) = cpu_to_le32(ZD1201_USB_CMDREQ);
161 *((__le16*)&command[4]) = cpu_to_le16(cmd);
162 *((__le16*)&command[6]) = cpu_to_le16(parm0);
163 *((__le16*)&command[8]) = cpu_to_le16(parm1);
164 *((__le16*)&command[10])= cpu_to_le16(parm2);
165
166 urb = usb_alloc_urb(0, GFP_ATOMIC);
167 if (!urb) {
168 kfree(command);
169 return -ENOMEM;
170 }
171 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2),
2a806340 172 command, 16, zd1201_usbfree, zd);
1da177e4
LT		 173 ret = usb_submit_urb(urb, GFP_ATOMIC);
174 if (ret) {
175 kfree(command);
176 usb_free_urb(urb);
177 }
2a806340 178
1da177e4
LT		 179 return ret;
180}
181
182/* Callback after sending out a packet */
7d12e780 183static void zd1201_usbtx(struct urb *urb)
1da177e4
LT		 184{
185 struct zd1201 *zd = urb->context;
186 netif_wake_queue(zd->dev);
187 return;
188}
189
093cf723 190/* Incoming data */
7d12e780 191static void zd1201_usbrx(struct urb *urb)
1da177e4
LT		 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
683f8c9e
ES		 199 if (!zd)
200 return;
1da177e4
LT		 201
202 switch(urb->status) {
203 case -EILSEQ:
204 case -ENODEV:
38e2bfc9 205 case -ETIME:
1da177e4
LT		 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 /* Info frame */
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 /* Send event to user space */
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 /* There isn't a event that trully fits this request.
285 We assume that userspace will be smart enough to
286 see a new station being expired and sends back a
287 authstation ioctl to authorize it. */
288 wireless_send_event(zd->dev, IWEVEXPIRED, &wrqu, NULL);
289 goto resubmit;
290 }
291 /* Other infotypes are handled outside this handler */
292 zd->rxlen = 0;
293 while (i < urb->actual_length) {
294 copylen = le16_to_cpu(*(__le16*)&data[i+2]);
295 /* Sanity check, sometimes we get junk */
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 /* Actual data */
309 if (data[urb->actual_length-1] == ZD1201_PACKET_RXDATA) {
310 int datalen = urb->actual_length-1;
311 unsigned short len, fc, seq;
312 struct hlist_node *node;
313
314 len = ntohs(*(__be16 *)&data[datalen-2]);
315 if (len>datalen)
316 len=datalen;
317 fc = le16_to_cpu(*(__le16 *)&data[datalen-16]);
318 seq = le16_to_cpu(*(__le16 *)&data[datalen-24]);
319
2a806340 320 if (zd->monitor) {
1da177e4
LT		 321 if (datalen < 24)
322 goto resubmit;
323 if (!(skb = dev_alloc_skb(datalen+24)))
324 goto resubmit;
325
326 memcpy(skb_put(skb, 2), &data[datalen-16], 2);
327 memcpy(skb_put(skb, 2), &data[datalen-2], 2);
328 memcpy(skb_put(skb, 6), &data[datalen-14], 6);
329 memcpy(skb_put(skb, 6), &data[datalen-22], 6);
330 memcpy(skb_put(skb, 6), &data[datalen-8], 6);
331 memcpy(skb_put(skb, 2), &data[datalen-24], 2);
332 memcpy(skb_put(skb, len), data, len);
1da177e4 333 skb->protocol = eth_type_trans(skb, zd->dev);
22bc1ce4
SH		 334 zd->dev->stats.rx_packets++;
335 zd->dev->stats.rx_bytes += skb->len;
1da177e4
LT		 336 netif_rx(skb);
337 goto resubmit;
338 }
339
3dcefbc9
AV		 340 if ((seq & IEEE80211_SCTL_FRAG) ||
341 (fc & IEEE80211_FCTL_MOREFRAGS)) {
1da177e4
LT		 342 struct zd1201_frag *frag = NULL;
343 char *ptr;
344
345 if (datalen<14)
346 goto resubmit;
3dcefbc9 347 if ((seq & IEEE80211_SCTL_FRAG) == 0) {
81065e2f 348 frag = kmalloc(sizeof(*frag), GFP_ATOMIC);
1da177e4
LT		 349 if (!frag)
350 goto resubmit;
2c706002 351 skb = dev_alloc_skb(IEEE80211_MAX_DATA_LEN +14+2);
1da177e4
LT		 352 if (!skb) {
353 kfree(frag);
354 goto resubmit;
355 }
356 frag->skb = skb;
3dcefbc9 357 frag->seq = seq & IEEE80211_SCTL_SEQ;
1da177e4
LT		 358 skb_reserve(skb, 2);
359 memcpy(skb_put(skb, 12), &data[datalen-14], 12);
360 memcpy(skb_put(skb, 2), &data[6], 2);
361 memcpy(skb_put(skb, len), data+8, len);
362 hlist_add_head(&frag->fnode, &zd->fraglist);
363 goto resubmit;
364 }
365 hlist_for_each_entry(frag, node, &zd->fraglist, fnode)
2a806340 366 if (frag->seq == (seq&IEEE80211_SCTL_SEQ))
1da177e4
LT		 367 break;
368 if (!frag)
369 goto resubmit;
370 skb = frag->skb;
371 ptr = skb_put(skb, len);
372 if (ptr)
373 memcpy(ptr, data+8, len);
3dcefbc9 374 if (fc & IEEE80211_FCTL_MOREFRAGS)
1da177e4
LT		 375 goto resubmit;
376 hlist_del_init(&frag->fnode);
377 kfree(frag);
1da177e4
LT		 378 } else {
379 if (datalen<14)
380 goto resubmit;
381 skb = dev_alloc_skb(len + 14 + 2);
382 if (!skb)
383 goto resubmit;
384 skb_reserve(skb, 2);
385 memcpy(skb_put(skb, 12), &data[datalen-14], 12);
386 memcpy(skb_put(skb, 2), &data[6], 2);
387 memcpy(skb_put(skb, len), data+8, len);
388 }
1da177e4 389 skb->protocol = eth_type_trans(skb, zd->dev);
22bc1ce4
SH		 390 zd->dev->stats.rx_packets++;
391 zd->dev->stats.rx_bytes += skb->len;
1da177e4
LT		 392 netif_rx(skb);
393 }
394resubmit:
395 memset(data, 0, ZD1201_RXSIZE);
396
397 urb->status = 0;
398 urb->dev = zd->usb;
399 if(usb_submit_urb(urb, GFP_ATOMIC))
400 free = 1;
401
402exit:
403 if (free) {
404 zd->rxlen = 0;
405 zd->rxdatas = 1;
406 wake_up(&zd->rxdataq);
407 kfree(urb->transfer_buffer);
408 }
409 return;
410}
411
412static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata,
413 unsigned int riddatalen)
414{
415 int err;
416 int i = 0;
417 int code;
418 int rid_fid;
419 int length;
420 unsigned char *pdata;
2a806340 421
1da177e4
LT		 422 zd->rxdatas = 0;
423 err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0);
424 if (err)
425 return err;
426
427 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
428 if (!zd->rxlen)
429 return -EIO;
430
431 code = le16_to_cpu(*(__le16*)(&zd->rxdata[4]));
432 rid_fid = le16_to_cpu(*(__le16*)(&zd->rxdata[6]));
433 length = le16_to_cpu(*(__le16*)(&zd->rxdata[8]));
434 if (length > zd->rxlen)
435 length = zd->rxlen-6;
436
437 /* If access bit is not on, then error */
438 if ((code & ZD1201_ACCESSBIT) != ZD1201_ACCESSBIT || rid_fid != rid )
439 return -EINVAL;
440
441 /* Not enough buffer for allocating data */
442 if (riddatalen != (length - 4)) {
443 dev_dbg(&zd->usb->dev, "riddatalen mismatches, expected=%u, (packet=%u) length=%u, rid=0x%04X, rid_fid=0x%04X\n",
444 riddatalen, zd->rxlen, length, rid, rid_fid);
445 return -ENODATA;
446 }
447
448 zd->rxdatas = 0;
449 /* Issue SetRxRid commnd */
450 err = zd1201_docmd(zd, ZD1201_CMDCODE_SETRXRID, rid, 0, length);
451 if (err)
452 return err;
453
454 /* Receive RID record from resource packets */
455 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
456 if (!zd->rxlen)
457 return -EIO;
458
459 if (zd->rxdata[zd->rxlen - 1] != ZD1201_PACKET_RESOURCE) {
460 dev_dbg(&zd->usb->dev, "Packet type mismatch: 0x%x not 0x3\n",
461 zd->rxdata[zd->rxlen-1]);
462 return -EINVAL;
463 }
464
465 /* Set the data pointer and received data length */
466 pdata = zd->rxdata;
467 length = zd->rxlen;
468
469 do {
2a806340 470 int actual_length;
1da177e4
LT		 471
472 actual_length = (length > 64) ? 64 : length;
473
2a806340 474 if (pdata[0] != 0x3) {
1da177e4
LT		 475 dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n",
476 pdata[0]);
477 return -EINVAL;
478 }
479
480 if (actual_length != 64) {
481 /* Trim the last packet type byte */
482 actual_length--;
483 }
484
485 /* Skip the 4 bytes header (RID length and RID) */
2a806340 486 if (i == 0) {
1da177e4
LT		 487 pdata += 8;
488 actual_length -= 8;
2a806340 489 } else {
1da177e4
LT		 490 pdata += 4;
491 actual_length -= 4;
492 }
493
494 memcpy(riddata, pdata, actual_length);
495 riddata += actual_length;
496 pdata += actual_length;
497 length -= 64;
498 i++;
499 } while (length > 0);
500
501 return 0;
502}
503
504/*
505 * resreq:
506 * byte type
507 * byte sequence
508 * u16 reserved
509 * byte data[12]
510 * total: 16
511 */
512static int zd1201_setconfig(struct zd1201 *zd, int rid, void *buf, int len, int wait)
513{
514 int err;
515 unsigned char *request;
516 int reqlen;
517 char seq=0;
518 struct urb *urb;
55016f10 519 gfp_t gfp_mask = wait ? GFP_NOIO : GFP_ATOMIC;
1da177e4
LT		 520
521 len += 4; /* first 4 are for header */
522
523 zd->rxdatas = 0;
524 zd->rxlen = 0;
525 for (seq=0; len > 0; seq++) {
526 request = kmalloc(16, gfp_mask);
527 if (!request)
528 return -ENOMEM;
529 urb = usb_alloc_urb(0, gfp_mask);
530 if (!urb) {
531 kfree(request);
532 return -ENOMEM;
533 }
534 memset(request, 0, 16);
535 reqlen = len>12 ? 12 : len;
536 request[0] = ZD1201_USB_RESREQ;
537 request[1] = seq;
538 request[2] = 0;
539 request[3] = 0;
540 if (request[1] == 0) {
541 /* add header */
542 *(__le16*)&request[4] = cpu_to_le16((len-2+1)/2);
543 *(__le16*)&request[6] = cpu_to_le16(rid);
544 memcpy(request+8, buf, reqlen-4);
545 buf += reqlen-4;
546 } else {
547 memcpy(request+4, buf, reqlen);
548 buf += reqlen;
549 }
550
551 len -= reqlen;
552
553 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb,
554 zd->endp_out2), request, 16, zd1201_usbfree, zd);
555 err = usb_submit_urb(urb, gfp_mask);
556 if (err)
557 goto err;
558 }
559
560 request = kmalloc(16, gfp_mask);
561 if (!request)
562 return -ENOMEM;
563 urb = usb_alloc_urb(0, gfp_mask);
564 if (!urb) {
565 kfree(request);
566 return -ENOMEM;
567 }
568 *((__le32*)request) = cpu_to_le32(ZD1201_USB_CMDREQ);
569 *((__le16*)&request[4]) =
570 cpu_to_le16(ZD1201_CMDCODE_ACCESS|ZD1201_ACCESSBIT);
571 *((__le16*)&request[6]) = cpu_to_le16(rid);
572 *((__le16*)&request[8]) = cpu_to_le16(0);
573 *((__le16*)&request[10]) = cpu_to_le16(0);
574 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2),
575 request, 16, zd1201_usbfree, zd);
576 err = usb_submit_urb(urb, gfp_mask);
577 if (err)
578 goto err;
579
580 if (wait) {
581 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
582 if (!zd->rxlen || le16_to_cpu(*(__le16*)&zd->rxdata[6]) != rid) {
583 dev_dbg(&zd->usb->dev, "wrong or no RID received\n");
584 }
585 }
586
587 return 0;
588err:
589 kfree(request);
590 usb_free_urb(urb);
591 return err;
592}
593
594static inline int zd1201_getconfig16(struct zd1201 *zd, int rid, short *val)
595{
596 int err;
597 __le16 zdval;
598
599 err = zd1201_getconfig(zd, rid, &zdval, sizeof(__le16));
600 if (err)
601 return err;
602 *val = le16_to_cpu(zdval);
603 return 0;
604}
605
606static inline int zd1201_setconfig16(struct zd1201 *zd, int rid, short val)
607{
608 __le16 zdval = cpu_to_le16(val);
609 return (zd1201_setconfig(zd, rid, &zdval, sizeof(__le16), 1));
610}
611
2e0a6b8c 612static int zd1201_drvr_start(struct zd1201 *zd)
1da177e4
LT		 613{
614 int err, i;
615 short max;
616 __le16 zdmax;
617 unsigned char *buffer;
2a806340 618
80b6ca48 619 buffer = kzalloc(ZD1201_RXSIZE, GFP_KERNEL);
1da177e4
LT		 620 if (!buffer)
621 return -ENOMEM;
1da177e4
LT		 622
623 usb_fill_bulk_urb(zd->rx_urb, zd->usb,
624 usb_rcvbulkpipe(zd->usb, zd->endp_in), buffer, ZD1201_RXSIZE,
625 zd1201_usbrx, zd);
626
627 err = usb_submit_urb(zd->rx_urb, GFP_KERNEL);
628 if (err)
629 goto err_buffer;
2a806340 630
1da177e4
LT		 631 err = zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0);
632 if (err)
633 goto err_urb;
634
635 err = zd1201_getconfig(zd, ZD1201_RID_CNFMAXTXBUFFERNUMBER, &zdmax,
636 sizeof(__le16));
637 if (err)
638 goto err_urb;
639
640 max = le16_to_cpu(zdmax);
641 for (i=0; i<max; i++) {
642 err = zd1201_docmd(zd, ZD1201_CMDCODE_ALLOC, 1514, 0, 0);
643 if (err)
644 goto err_urb;
645 }
646
647 return 0;
648
649err_urb:
650 usb_kill_urb(zd->rx_urb);
651 return err;
652err_buffer:
653 kfree(buffer);
654 return err;
655}
656
657/* Magic alert: The firmware doesn't seem to like the MAC state being
658 * toggled in promisc (aka monitor) mode.
659 * (It works a number of times, but will halt eventually)
660 * So we turn it of before disabling and on after enabling if needed.
661 */
662static int zd1201_enable(struct zd1201 *zd)
663{
664 int err;
665
666 if (zd->mac_enabled)
667 return 0;
668
669 err = zd1201_docmd(zd, ZD1201_CMDCODE_ENABLE, 0, 0, 0);
670 if (!err)
671 zd->mac_enabled = 1;
672
673 if (zd->monitor)
674 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 1);
675
676 return err;
677}
678
679static int zd1201_disable(struct zd1201 *zd)
680{
681 int err;
2a806340 682
1da177e4
LT		 683 if (!zd->mac_enabled)
684 return 0;
685 if (zd->monitor) {
686 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0);
687 if (err)
688 return err;
689 }
690
691 err = zd1201_docmd(zd, ZD1201_CMDCODE_DISABLE, 0, 0, 0);
692 if (!err)
693 zd->mac_enabled = 0;
694 return err;
695}
696
697static int zd1201_mac_reset(struct zd1201 *zd)
698{
699 if (!zd->mac_enabled)
700 return 0;
701 zd1201_disable(zd);
702 return zd1201_enable(zd);
703}
704
705static int zd1201_join(struct zd1201 *zd, char *essid, int essidlen)
706{
707 int err, val;
708 char buf[IW_ESSID_MAX_SIZE+2];
709
710 err = zd1201_disable(zd);
711 if (err)
712 return err;
713
714 val = ZD1201_CNFAUTHENTICATION_OPENSYSTEM;
715 val |= ZD1201_CNFAUTHENTICATION_SHAREDKEY;
716 err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, val);
717 if (err)
718 return err;
719
720 *(__le16 *)buf = cpu_to_le16(essidlen);
721 memcpy(buf+2, essid, essidlen);
722 if (!zd->ap) { /* Normal station */
723 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf,
724 IW_ESSID_MAX_SIZE+2, 1);
725 if (err)
726 return err;
727 } else { /* AP */
728 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNSSID, buf,
729 IW_ESSID_MAX_SIZE+2, 1);
730 if (err)
731 return err;
732 }
733
734 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR,
735 zd->dev->dev_addr, zd->dev->addr_len, 1);
736 if (err)
737 return err;
738
739 err = zd1201_enable(zd);
740 if (err)
741 return err;
742
743 msleep(100);
744 return 0;
745}
746
747static int zd1201_net_open(struct net_device *dev)
748{
3d29b0c3 749 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 750
751 /* Start MAC with wildcard if no essid set */
752 if (!zd->mac_enabled)
753 zd1201_join(zd, zd->essid, zd->essidlen);
754 netif_start_queue(dev);
755
756 return 0;
757}
758
759static int zd1201_net_stop(struct net_device *dev)
760{
761 netif_stop_queue(dev);
1da177e4
LT		 762 return 0;
763}
764
765/*
766 RFC 1042 encapsulates Ethernet frames in 802.11 frames
767 by prefixing them with 0xaa, 0xaa, 0x03) followed by a SNAP OID of 0
093cf723 768 (0x00, 0x00, 0x00). Zd requires an additional padding, copy
1da177e4
LT		 769 of ethernet addresses, length of the standard RFC 1042 packet
770 and a command byte (which is nul for tx).
771
772 tx frame (from Wlan NG):
773 RFC 1042:
774 llc 0xAA 0xAA 0x03 (802.2 LLC)
775 snap 0x00 0x00 0x00 (Ethernet encapsulated)
776 type 2 bytes, Ethernet type field
777 payload (minus eth header)
778 Zydas specific:
779 padding 1B if (skb->len+8+1)%64==0
780 Eth MAC addr 12 bytes, Ethernet MAC addresses
781 length 2 bytes, RFC 1042 packet length
782 (llc+snap+type+payload)
783 zd 1 null byte, zd1201 packet type
784 */
d0cf9c0d
SH		 785static netdev_tx_t zd1201_hard_start_xmit(struct sk_buff *skb,
786 struct net_device *dev)
1da177e4 787{
3d29b0c3 788 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 789 unsigned char *txbuf = zd->txdata;
790 int txbuflen, pad = 0, err;
791 struct urb *urb = zd->tx_urb;
792
793 if (!zd->mac_enabled || zd->monitor) {
22bc1ce4 794 dev->stats.tx_dropped++;
1da177e4 795 kfree_skb(skb);
6ed10654 796 return NETDEV_TX_OK;
1da177e4
LT		 797 }
798 netif_stop_queue(dev);
799
800 txbuflen = skb->len + 8 + 1;
801 if (txbuflen%64 == 0) {
802 pad = 1;
803 txbuflen++;
804 }
805 txbuf[0] = 0xAA;
806 txbuf[1] = 0xAA;
807 txbuf[2] = 0x03;
808 txbuf[3] = 0x00; /* rfc1042 */
809 txbuf[4] = 0x00;
810 txbuf[5] = 0x00;
811
d626f62b 812 skb_copy_from_linear_data_offset(skb, 12, txbuf + 6, skb->len - 12);
1da177e4
LT		 813 if (pad)
814 txbuf[skb->len-12+6]=0;
d626f62b 815 skb_copy_from_linear_data(skb, txbuf + skb->len - 12 + 6 + pad, 12);
1da177e4
LT		 816 *(__be16*)&txbuf[skb->len+6+pad] = htons(skb->len-12+6);
817 txbuf[txbuflen-1] = 0;
818
819 usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out),
820 txbuf, txbuflen, zd1201_usbtx, zd);
821
822 err = usb_submit_urb(zd->tx_urb, GFP_ATOMIC);
823 if (err) {
22bc1ce4 824 dev->stats.tx_errors++;
1da177e4 825 netif_start_queue(dev);
4153e775
PM		 826 } else {
827 dev->stats.tx_packets++;
828 dev->stats.tx_bytes += skb->len;
829 dev->trans_start = jiffies;
1da177e4 830 }
1da177e4
LT		 831 kfree_skb(skb);
832
6ed10654 833 return NETDEV_TX_OK;
1da177e4
LT		 834}
835
836static void zd1201_tx_timeout(struct net_device *dev)
837{
3d29b0c3 838 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 839
840 if (!zd)
841 return;
842 dev_warn(&zd->usb->dev, "%s: TX timeout, shooting down urb\n",
843 dev->name);
1da177e4 844 usb_unlink_urb(zd->tx_urb);
22bc1ce4 845 dev->stats.tx_errors++;
1da177e4
LT		 846 /* Restart the timeout to quiet the watchdog: */
847 dev->trans_start = jiffies;
848}
849
850static int zd1201_set_mac_address(struct net_device *dev, void *p)
851{
852 struct sockaddr *addr = p;
3d29b0c3 853 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 854 int err;
855
856 if (!zd)
857 return -ENODEV;
858
859 err = zd1201_setconfig(zd, ZD1201_RID_CNFOWNMACADDR,
860 addr->sa_data, dev->addr_len, 1);
861 if (err)
862 return err;
863 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
864
865 return zd1201_mac_reset(zd);
866}
867
1da177e4
LT		 868static struct iw_statistics *zd1201_get_wireless_stats(struct net_device *dev)
869{
3d29b0c3 870 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 871
872 return &zd->iwstats;
873}
874
875static void zd1201_set_multicast(struct net_device *dev)
876{
3d29b0c3 877 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 878 struct dev_mc_list *mc = dev->mc_list;
879 unsigned char reqbuf[ETH_ALEN*ZD1201_MAXMULTI];
880 int i;
881
882 if (dev->mc_count > ZD1201_MAXMULTI)
883 return;
884
885 for (i=0; i<dev->mc_count; i++) {
886 memcpy(reqbuf+i*ETH_ALEN, mc->dmi_addr, ETH_ALEN);
887 mc = mc->next;
888 }
889 zd1201_setconfig(zd, ZD1201_RID_CNFGROUPADDRESS, reqbuf,
890 dev->mc_count*ETH_ALEN, 0);
891
892}
893
894static int zd1201_config_commit(struct net_device *dev,
895 struct iw_request_info *info, struct iw_point *data, char *essid)
896{
3d29b0c3 897 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 898
899 return zd1201_mac_reset(zd);
900}
901
902static int zd1201_get_name(struct net_device *dev,
903 struct iw_request_info *info, char *name, char *extra)
904{
905 strcpy(name, "IEEE 802.11b");
1da177e4
LT		 906 return 0;
907}
908
909static int zd1201_set_freq(struct net_device *dev,
910 struct iw_request_info *info, struct iw_freq *freq, char *extra)
911{
3d29b0c3 912 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 913 short channel = 0;
914 int err;
915
916 if (freq->e == 0)
917 channel = freq->m;
918 else {
9ee677c2
DK		 919 channel = ieee80211_freq_to_dsss_chan(freq->m);
920 if (channel < 0)
921 channel = 0;
1da177e4
LT		 922 }
923
924 err = zd1201_setconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, channel);
925 if (err)
926 return err;
927
928 zd1201_mac_reset(zd);
929
930 return 0;
931}
932
933static int zd1201_get_freq(struct net_device *dev,
934 struct iw_request_info *info, struct iw_freq *freq, char *extra)
935{
3d29b0c3 936 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 937 short channel;
938 int err;
939
940 err = zd1201_getconfig16(zd, ZD1201_RID_CNFOWNCHANNEL, &channel);
941 if (err)
942 return err;
943 freq->e = 0;
944 freq->m = channel;
945
946 return 0;
947}
948
949static int zd1201_set_mode(struct net_device *dev,
950 struct iw_request_info *info, __u32 *mode, char *extra)
951{
3d29b0c3 952 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 953 short porttype, monitor = 0;
954 unsigned char buffer[IW_ESSID_MAX_SIZE+2];
955 int err;
956
957 if (zd->ap) {
958 if (*mode != IW_MODE_MASTER)
959 return -EINVAL;
960 return 0;
961 }
962
963 err = zd1201_setconfig16(zd, ZD1201_RID_PROMISCUOUSMODE, 0);
964 if (err)
965 return err;
966 zd->dev->type = ARPHRD_ETHER;
967 switch(*mode) {
968 case IW_MODE_MONITOR:
969 monitor = 1;
970 zd->dev->type = ARPHRD_IEEE80211;
971 /* Make sure we are no longer associated with by
972 setting an 'impossible' essid.
973 (otherwise we mess up firmware)
974 */
975 zd1201_join(zd, "\0-*#\0", 5);
976 /* Put port in pIBSS */
977 case 8: /* No pseudo-IBSS in wireless extensions (yet) */
978 porttype = ZD1201_PORTTYPE_PSEUDOIBSS;
979 break;
980 case IW_MODE_ADHOC:
981 porttype = ZD1201_PORTTYPE_IBSS;
982 break;
983 case IW_MODE_INFRA:
984 porttype = ZD1201_PORTTYPE_BSS;
985 break;
986 default:
987 return -EINVAL;
988 }
989
990 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype);
991 if (err)
992 return err;
993 if (zd->monitor && !monitor) {
994 zd1201_disable(zd);
995 *(__le16 *)buffer = cpu_to_le16(zd->essidlen);
996 memcpy(buffer+2, zd->essid, zd->essidlen);
997 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID,
998 buffer, IW_ESSID_MAX_SIZE+2, 1);
999 if (err)
1000 return err;
1001 }
2a806340 1002 zd->monitor = monitor;
1da177e4
LT		 1003 /* If monitor mode is set we don't actually turn it on here since it
1004 * is done during mac reset anyway (see zd1201_mac_enable).
1005 */
1da177e4
LT		 1006 zd1201_mac_reset(zd);
1007
1008 return 0;
1009}
1010
1011static int zd1201_get_mode(struct net_device *dev,
1012 struct iw_request_info *info, __u32 *mode, char *extra)
1013{
3d29b0c3 1014 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1015 short porttype;
1016 int err;
1017
1018 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPORTTYPE, &porttype);
1019 if (err)
1020 return err;
1021 switch(porttype) {
1022 case ZD1201_PORTTYPE_IBSS:
1023 *mode = IW_MODE_ADHOC;
1024 break;
1025 case ZD1201_PORTTYPE_BSS:
1026 *mode = IW_MODE_INFRA;
1027 break;
1028 case ZD1201_PORTTYPE_WDS:
1029 *mode = IW_MODE_REPEAT;
1030 break;
1031 case ZD1201_PORTTYPE_PSEUDOIBSS:
1032 *mode = 8;/* No Pseudo-IBSS... */
1033 break;
1034 case ZD1201_PORTTYPE_AP:
1035 *mode = IW_MODE_MASTER;
1036 break;
1037 default:
1038 dev_dbg(&zd->usb->dev, "Unknown porttype: %d\n",
1039 porttype);
1040 *mode = IW_MODE_AUTO;
1041 }
1042 if (zd->monitor)
1043 *mode = IW_MODE_MONITOR;
1044
1045 return 0;
1046}
1047
1048static int zd1201_get_range(struct net_device *dev,
1049 struct iw_request_info *info, struct iw_point *wrq, char *extra)
1050{
1051 struct iw_range *range = (struct iw_range *)extra;
1052
1053 wrq->length = sizeof(struct iw_range);
1054 memset(range, 0, sizeof(struct iw_range));
1055 range->we_version_compiled = WIRELESS_EXT;
1056 range->we_version_source = WIRELESS_EXT;
1057
1058 range->max_qual.qual = 128;
1059 range->max_qual.level = 128;
1060 range->max_qual.noise = 128;
1061 range->max_qual.updated = 7;
1062
1063 range->encoding_size[0] = 5;
1064 range->encoding_size[1] = 13;
1065 range->num_encoding_sizes = 2;
1066 range->max_encoding_tokens = ZD1201_NUMKEYS;
1067
1068 range->num_bitrates = 4;
1069 range->bitrate[0] = 1000000;
1070 range->bitrate[1] = 2000000;
1071 range->bitrate[2] = 5500000;
1072 range->bitrate[3] = 11000000;
1073
1074 range->min_rts = 0;
1075 range->min_frag = ZD1201_FRAGMIN;
1076 range->max_rts = ZD1201_RTSMAX;
1077 range->min_frag = ZD1201_FRAGMAX;
1078
1079 return 0;
1080}
1081
1082/* Little bit of magic here: we only get the quality if we poll
1083 * for it, and we never get an actual request to trigger such
093cf723 1084 * a poll. Therefore we 'assume' that the user will soon ask for
1da177e4
LT		 1085 * the stats after asking the bssid.
1086 */
1087static int zd1201_get_wap(struct net_device *dev,
1088 struct iw_request_info *info, struct sockaddr *ap_addr, char *extra)
1089{
3d29b0c3 1090 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1091 unsigned char buffer[6];
1092
1093 if (!zd1201_getconfig(zd, ZD1201_RID_COMMSQUALITY, buffer, 6)) {
093cf723 1094 /* Unfortunately the quality and noise reported is useless.
1da177e4
LT		 1095 they seem to be accumulators that increase until you
1096 read them, unless we poll on a fixed interval we can't
1097 use them
1098 */
1099 /*zd->iwstats.qual.qual = le16_to_cpu(((__le16 *)buffer)[0]);*/
1100 zd->iwstats.qual.level = le16_to_cpu(((__le16 *)buffer)[1]);
1101 /*zd->iwstats.qual.noise = le16_to_cpu(((__le16 *)buffer)[2]);*/
1102 zd->iwstats.qual.updated = 2;
1103 }
1104
2a806340 1105 return zd1201_getconfig(zd, ZD1201_RID_CURRENTBSSID, ap_addr->sa_data, 6);
1da177e4
LT		 1106}
1107
1108static int zd1201_set_scan(struct net_device *dev,
1109 struct iw_request_info *info, struct iw_point *srq, char *extra)
1110{
1111 /* We do everything in get_scan */
1112 return 0;
1113}
1114
1115static int zd1201_get_scan(struct net_device *dev,
1116 struct iw_request_info *info, struct iw_point *srq, char *extra)
1117{
3d29b0c3 1118 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1119 int err, i, j, enabled_save;
1120 struct iw_event iwe;
1121 char *cev = extra;
1122 char *end_buf = extra + IW_SCAN_MAX_DATA;
1123
1124 /* No scanning in AP mode */
1125 if (zd->ap)
1126 return -EOPNOTSUPP;
1127
1128 /* Scan doesn't seem to work if disabled */
1129 enabled_save = zd->mac_enabled;
1130 zd1201_enable(zd);
1131
1132 zd->rxdatas = 0;
1133 err = zd1201_docmd(zd, ZD1201_CMDCODE_INQUIRE,
1134 ZD1201_INQ_SCANRESULTS, 0, 0);
1135 if (err)
1136 return err;
1137
1138 wait_event_interruptible(zd->rxdataq, zd->rxdatas);
1139 if (!zd->rxlen)
1140 return -EIO;
1141
1142 if (le16_to_cpu(*(__le16*)&zd->rxdata[2]) != ZD1201_INQ_SCANRESULTS)
1143 return -EIO;
1144
1145 for(i=8; i<zd->rxlen; i+=62) {
1146 iwe.cmd = SIOCGIWAP;
1147 iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1148 memcpy(iwe.u.ap_addr.sa_data, zd->rxdata+i+6, 6);
ccc58057
DM		 1149 cev = iwe_stream_add_event(info, cev, end_buf,
1150 &iwe, IW_EV_ADDR_LEN);
1da177e4
LT		 1151
1152 iwe.cmd = SIOCGIWESSID;
1153 iwe.u.data.length = zd->rxdata[i+16];
1154 iwe.u.data.flags = 1;
ccc58057
DM		 1155 cev = iwe_stream_add_point(info, cev, end_buf,
1156 &iwe, zd->rxdata+i+18);
1da177e4
LT		 1157
1158 iwe.cmd = SIOCGIWMODE;
1159 if (zd->rxdata[i+14]&0x01)
1160 iwe.u.mode = IW_MODE_MASTER;
1161 else
1162 iwe.u.mode = IW_MODE_ADHOC;
ccc58057
DM		 1163 cev = iwe_stream_add_event(info, cev, end_buf,
1164 &iwe, IW_EV_UINT_LEN);
1da177e4
LT		 1165
1166 iwe.cmd = SIOCGIWFREQ;
1167 iwe.u.freq.m = zd->rxdata[i+0];
1168 iwe.u.freq.e = 0;
ccc58057
DM		 1169 cev = iwe_stream_add_event(info, cev, end_buf,
1170 &iwe, IW_EV_FREQ_LEN);
1da177e4
LT		 1171
1172 iwe.cmd = SIOCGIWRATE;
1173 iwe.u.bitrate.fixed = 0;
1174 iwe.u.bitrate.disabled = 0;
1175 for (j=0; j<10; j++) if (zd->rxdata[i+50+j]) {
1176 iwe.u.bitrate.value = (zd->rxdata[i+50+j]&0x7f)*500000;
ccc58057
DM		 1177 cev = iwe_stream_add_event(info, cev, end_buf,
1178 &iwe, IW_EV_PARAM_LEN);
1da177e4
LT		 1179 }
1180
1181 iwe.cmd = SIOCGIWENCODE;
1182 iwe.u.data.length = 0;
1183 if (zd->rxdata[i+14]&0x10)
1184 iwe.u.data.flags = IW_ENCODE_ENABLED;
1185 else
1186 iwe.u.data.flags = IW_ENCODE_DISABLED;
ccc58057 1187 cev = iwe_stream_add_point(info, cev, end_buf, &iwe, NULL);
1da177e4
LT		 1188
1189 iwe.cmd = IWEVQUAL;
1190 iwe.u.qual.qual = zd->rxdata[i+4];
1191 iwe.u.qual.noise= zd->rxdata[i+2]/10-100;
1192 iwe.u.qual.level = (256+zd->rxdata[i+4]*100)/255-100;
1193 iwe.u.qual.updated = 7;
ccc58057
DM		 1194 cev = iwe_stream_add_event(info, cev, end_buf,
1195 &iwe, IW_EV_QUAL_LEN);
1da177e4
LT		 1196 }
1197
1198 if (!enabled_save)
1199 zd1201_disable(zd);
1200
1201 srq->length = cev - extra;
1202 srq->flags = 0;
1203
1204 return 0;
1205}
1206
1207static int zd1201_set_essid(struct net_device *dev,
1208 struct iw_request_info *info, struct iw_point *data, char *essid)
1209{
3d29b0c3 1210 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1211
1212 if (data->length > IW_ESSID_MAX_SIZE)
1213 return -EINVAL;
1214 if (data->length < 1)
1215 data->length = 1;
22b99262 1216 zd->essidlen = data->length;
1da177e4
LT		 1217 memset(zd->essid, 0, IW_ESSID_MAX_SIZE+1);
1218 memcpy(zd->essid, essid, data->length);
1219 return zd1201_join(zd, zd->essid, zd->essidlen);
1220}
1221
1222static int zd1201_get_essid(struct net_device *dev,
1223 struct iw_request_info *info, struct iw_point *data, char *essid)
1224{
3d29b0c3 1225 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1226
1227 memcpy(essid, zd->essid, zd->essidlen);
1228 data->flags = 1;
1229 data->length = zd->essidlen;
1230
1231 return 0;
1232}
1233
1234static int zd1201_get_nick(struct net_device *dev, struct iw_request_info *info,
1235 struct iw_point *data, char *nick)
1236{
1237 strcpy(nick, "zd1201");
1238 data->flags = 1;
1239 data->length = strlen(nick);
1240 return 0;
1241}
1242
1243static int zd1201_set_rate(struct net_device *dev,
1244 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1245{
3d29b0c3 1246 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1247 short rate;
1248 int err;
1249
1250 switch (rrq->value) {
1251 case 1000000:
1252 rate = ZD1201_RATEB1;
1253 break;
1254 case 2000000:
1255 rate = ZD1201_RATEB2;
1256 break;
1257 case 5500000:
1258 rate = ZD1201_RATEB5;
1259 break;
1260 case 11000000:
1261 default:
1262 rate = ZD1201_RATEB11;
1263 break;
1264 }
1265 if (!rrq->fixed) { /* Also enable all lower bitrates */
1266 rate |= rate-1;
1267 }
2a806340 1268
1da177e4
LT		 1269 err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate);
1270 if (err)
1271 return err;
1272
1273 return zd1201_mac_reset(zd);
1274}
1275
1276static int zd1201_get_rate(struct net_device *dev,
1277 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1278{
3d29b0c3 1279 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1280 short rate;
1281 int err;
1282
1283 err = zd1201_getconfig16(zd, ZD1201_RID_CURRENTTXRATE, &rate);
1284 if (err)
1285 return err;
1286
1287 switch(rate) {
1288 case 1:
1289 rrq->value = 1000000;
1290 break;
1291 case 2:
1292 rrq->value = 2000000;
1293 break;
1294 case 5:
1295 rrq->value = 5500000;
1296 break;
1297 case 11:
1298 rrq->value = 11000000;
1299 break;
1300 default:
1301 rrq->value = 0;
1302 }
1303 rrq->fixed = 0;
1304 rrq->disabled = 0;
1305
1306 return 0;
1307}
1308
1309static int zd1201_set_rts(struct net_device *dev, struct iw_request_info *info,
1310 struct iw_param *rts, char *extra)
1311{
3d29b0c3 1312 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1313 int err;
1314 short val = rts->value;
1315
1316 if (rts->disabled || !rts->fixed)
1317 val = ZD1201_RTSMAX;
1318 if (val > ZD1201_RTSMAX)
1319 return -EINVAL;
1320 if (val < 0)
1321 return -EINVAL;
1322
1323 err = zd1201_setconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, val);
1324 if (err)
1325 return err;
1326 return zd1201_mac_reset(zd);
1327}
1328
1329static int zd1201_get_rts(struct net_device *dev, struct iw_request_info *info,
1330 struct iw_param *rts, char *extra)
1331{
3d29b0c3 1332 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1333 short rtst;
1334 int err;
1335
1336 err = zd1201_getconfig16(zd, ZD1201_RID_CNFRTSTHRESHOLD, &rtst);
1337 if (err)
1338 return err;
1339 rts->value = rtst;
1340 rts->disabled = (rts->value == ZD1201_RTSMAX);
1341 rts->fixed = 1;
1342
1343 return 0;
1344}
1345
1346static int zd1201_set_frag(struct net_device *dev, struct iw_request_info *info,
1347 struct iw_param *frag, char *extra)
1348{
3d29b0c3 1349 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1350 int err;
1351 short val = frag->value;
1352
1353 if (frag->disabled || !frag->fixed)
1354 val = ZD1201_FRAGMAX;
1355 if (val > ZD1201_FRAGMAX)
1356 return -EINVAL;
1357 if (val < ZD1201_FRAGMIN)
1358 return -EINVAL;
1359 if (val & 1)
1360 return -EINVAL;
1361 err = zd1201_setconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, val);
1362 if (err)
1363 return err;
1364 return zd1201_mac_reset(zd);
1365}
1366
1367static int zd1201_get_frag(struct net_device *dev, struct iw_request_info *info,
1368 struct iw_param *frag, char *extra)
1369{
3d29b0c3 1370 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1371 short fragt;
1372 int err;
1373
1374 err = zd1201_getconfig16(zd, ZD1201_RID_CNFFRAGTHRESHOLD, &fragt);
1375 if (err)
1376 return err;
1377 frag->value = fragt;
1378 frag->disabled = (frag->value == ZD1201_FRAGMAX);
1379 frag->fixed = 1;
1380
1381 return 0;
1382}
1383
1384static int zd1201_set_retry(struct net_device *dev,
1385 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1386{
1387 return 0;
1388}
1389
1390static int zd1201_get_retry(struct net_device *dev,
1391 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1392{
1393 return 0;
1394}
1395
1396static int zd1201_set_encode(struct net_device *dev,
1397 struct iw_request_info *info, struct iw_point *erq, char *key)
1398{
3d29b0c3 1399 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1400 short i;
1401 int err, rid;
1402
1403 if (erq->length > ZD1201_MAXKEYLEN)
1404 return -EINVAL;
1405
1406 i = (erq->flags & IW_ENCODE_INDEX)-1;
1407 if (i == -1) {
1408 err = zd1201_getconfig16(zd,ZD1201_RID_CNFDEFAULTKEYID,&i);
1409 if (err)
1410 return err;
1411 } else {
1412 err = zd1201_setconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, i);
1413 if (err)
1414 return err;
1415 }
1416
1417 if (i < 0 || i >= ZD1201_NUMKEYS)
1418 return -EINVAL;
1419
1420 rid = ZD1201_RID_CNFDEFAULTKEY0 + i;
1421 err = zd1201_setconfig(zd, rid, key, erq->length, 1);
1422 if (err)
1423 return err;
1424 zd->encode_keylen[i] = erq->length;
1425 memcpy(zd->encode_keys[i], key, erq->length);
1426
1427 i=0;
1428 if (!(erq->flags & IW_ENCODE_DISABLED & IW_ENCODE_MODE)) {
1429 i |= 0x01;
1430 zd->encode_enabled = 1;
1431 } else
1432 zd->encode_enabled = 0;
1433 if (erq->flags & IW_ENCODE_RESTRICTED & IW_ENCODE_MODE) {
1434 i |= 0x02;
1435 zd->encode_restricted = 1;
1436 } else
1437 zd->encode_restricted = 0;
1438 err = zd1201_setconfig16(zd, ZD1201_RID_CNFWEBFLAGS, i);
1439 if (err)
1440 return err;
1441
1442 if (zd->encode_enabled)
1443 i = ZD1201_CNFAUTHENTICATION_SHAREDKEY;
1444 else
1445 i = ZD1201_CNFAUTHENTICATION_OPENSYSTEM;
1446 err = zd1201_setconfig16(zd, ZD1201_RID_CNFAUTHENTICATION, i);
1447 if (err)
1448 return err;
1449
1450 return zd1201_mac_reset(zd);
1451}
1452
1453static int zd1201_get_encode(struct net_device *dev,
1454 struct iw_request_info *info, struct iw_point *erq, char *key)
1455{
3d29b0c3 1456 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1457 short i;
1458 int err;
1459
1460 if (zd->encode_enabled)
1461 erq->flags = IW_ENCODE_ENABLED;
1462 else
1463 erq->flags = IW_ENCODE_DISABLED;
1464 if (zd->encode_restricted)
1465 erq->flags |= IW_ENCODE_RESTRICTED;
1466 else
1467 erq->flags |= IW_ENCODE_OPEN;
1468
1469 i = (erq->flags & IW_ENCODE_INDEX) -1;
1470 if (i == -1) {
1471 err = zd1201_getconfig16(zd, ZD1201_RID_CNFDEFAULTKEYID, &i);
1472 if (err)
1473 return err;
1474 }
1475 if (i<0 || i>= ZD1201_NUMKEYS)
1476 return -EINVAL;
1477
1478 erq->flags |= i+1;
2a806340 1479
1da177e4
LT		 1480 erq->length = zd->encode_keylen[i];
1481 memcpy(key, zd->encode_keys[i], erq->length);
1482
1483 return 0;
1484}
1485
1486static int zd1201_set_power(struct net_device *dev,
1487 struct iw_request_info *info, struct iw_param *vwrq, char *extra)
1488{
3d29b0c3 1489 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1490 short enabled, duration, level;
1491 int err;
1492
1493 enabled = vwrq->disabled ? 0 : 1;
1494 if (enabled) {
1495 if (vwrq->flags & IW_POWER_PERIOD) {
1496 duration = vwrq->value;
1497 err = zd1201_setconfig16(zd,
1498 ZD1201_RID_CNFMAXSLEEPDURATION, duration);
1499 if (err)
1500 return err;
1501 goto out;
1502 }
1503 if (vwrq->flags & IW_POWER_TIMEOUT) {
1504 err = zd1201_getconfig16(zd,
1505 ZD1201_RID_CNFMAXSLEEPDURATION, &duration);
1506 if (err)
1507 return err;
1508 level = vwrq->value * 4 / duration;
1509 if (level > 4)
1510 level = 4;
1511 if (level < 0)
1512 level = 0;
1513 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMEPS,
1514 level);
1515 if (err)
1516 return err;
1517 goto out;
1518 }
1519 return -EINVAL;
1520 }
1521out:
2a806340 1522 return zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled);
1da177e4
LT		 1523}
1524
1525static int zd1201_get_power(struct net_device *dev,
1526 struct iw_request_info *info, struct iw_param *vwrq, char *extra)
1527{
3d29b0c3 1528 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1529 short enabled, level, duration;
1530 int err;
1531
1532 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMENABLED, &enabled);
1533 if (err)
1534 return err;
1535 err = zd1201_getconfig16(zd, ZD1201_RID_CNFPMEPS, &level);
1536 if (err)
1537 return err;
1538 err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXSLEEPDURATION, &duration);
1539 if (err)
1540 return err;
1541 vwrq->disabled = enabled ? 0 : 1;
1542 if (vwrq->flags & IW_POWER_TYPE) {
1543 if (vwrq->flags & IW_POWER_PERIOD) {
1544 vwrq->value = duration;
1545 vwrq->flags = IW_POWER_PERIOD;
1546 } else {
1547 vwrq->value = duration * level / 4;
1548 vwrq->flags = IW_POWER_TIMEOUT;
1549 }
1550 }
1551 if (vwrq->flags & IW_POWER_MODE) {
1552 if (enabled && level)
1553 vwrq->flags = IW_POWER_UNICAST_R;
1554 else
1555 vwrq->flags = IW_POWER_ALL_R;
1556 }
1557
1558 return 0;
1559}
1560
1561
1562static const iw_handler zd1201_iw_handler[] =
1563{
1564 (iw_handler) zd1201_config_commit, /* SIOCSIWCOMMIT */
1565 (iw_handler) zd1201_get_name, /* SIOCGIWNAME */
1566 (iw_handler) NULL, /* SIOCSIWNWID */
1567 (iw_handler) NULL, /* SIOCGIWNWID */
1568 (iw_handler) zd1201_set_freq, /* SIOCSIWFREQ */
1569 (iw_handler) zd1201_get_freq, /* SIOCGIWFREQ */
1570 (iw_handler) zd1201_set_mode, /* SIOCSIWMODE */
1571 (iw_handler) zd1201_get_mode, /* SIOCGIWMODE */
1572 (iw_handler) NULL, /* SIOCSIWSENS */
1573 (iw_handler) NULL, /* SIOCGIWSENS */
1574 (iw_handler) NULL, /* SIOCSIWRANGE */
1575 (iw_handler) zd1201_get_range, /* SIOCGIWRANGE */
1576 (iw_handler) NULL, /* SIOCSIWPRIV */
1577 (iw_handler) NULL, /* SIOCGIWPRIV */
1578 (iw_handler) NULL, /* SIOCSIWSTATS */
1579 (iw_handler) NULL, /* SIOCGIWSTATS */
1580 (iw_handler) NULL, /* SIOCSIWSPY */
1581 (iw_handler) NULL, /* SIOCGIWSPY */
1582 (iw_handler) NULL, /* -- hole -- */
1583 (iw_handler) NULL, /* -- hole -- */
1584 (iw_handler) NULL/*zd1201_set_wap*/, /* SIOCSIWAP */
1585 (iw_handler) zd1201_get_wap, /* SIOCGIWAP */
1586 (iw_handler) NULL, /* -- hole -- */
1587 (iw_handler) NULL, /* SIOCGIWAPLIST */
1588 (iw_handler) zd1201_set_scan, /* SIOCSIWSCAN */
1589 (iw_handler) zd1201_get_scan, /* SIOCGIWSCAN */
1590 (iw_handler) zd1201_set_essid, /* SIOCSIWESSID */
1591 (iw_handler) zd1201_get_essid, /* SIOCGIWESSID */
1592 (iw_handler) NULL, /* SIOCSIWNICKN */
1593 (iw_handler) zd1201_get_nick, /* SIOCGIWNICKN */
1594 (iw_handler) NULL, /* -- hole -- */
1595 (iw_handler) NULL, /* -- hole -- */
1596 (iw_handler) zd1201_set_rate, /* SIOCSIWRATE */
1597 (iw_handler) zd1201_get_rate, /* SIOCGIWRATE */
1598 (iw_handler) zd1201_set_rts, /* SIOCSIWRTS */
1599 (iw_handler) zd1201_get_rts, /* SIOCGIWRTS */
1600 (iw_handler) zd1201_set_frag, /* SIOCSIWFRAG */
1601 (iw_handler) zd1201_get_frag, /* SIOCGIWFRAG */
1602 (iw_handler) NULL, /* SIOCSIWTXPOW */
1603 (iw_handler) NULL, /* SIOCGIWTXPOW */
1604 (iw_handler) zd1201_set_retry, /* SIOCSIWRETRY */
1605 (iw_handler) zd1201_get_retry, /* SIOCGIWRETRY */
1606 (iw_handler) zd1201_set_encode, /* SIOCSIWENCODE */
1607 (iw_handler) zd1201_get_encode, /* SIOCGIWENCODE */
1608 (iw_handler) zd1201_set_power, /* SIOCSIWPOWER */
1609 (iw_handler) zd1201_get_power, /* SIOCGIWPOWER */
1610};
1611
1612static int zd1201_set_hostauth(struct net_device *dev,
1613 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1614{
3d29b0c3 1615 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1616
1617 if (!zd->ap)
1618 return -EOPNOTSUPP;
1619
2a806340 1620 return zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value);
1da177e4
LT		 1621}
1622
1623static int zd1201_get_hostauth(struct net_device *dev,
1624 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1625{
3d29b0c3 1626 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1627 short hostauth;
1628 int err;
1629
1630 if (!zd->ap)
1631 return -EOPNOTSUPP;
1632
1633 err = zd1201_getconfig16(zd, ZD1201_RID_CNFHOSTAUTH, &hostauth);
1634 if (err)
1635 return err;
1636 rrq->value = hostauth;
1637 rrq->fixed = 1;
1638
1639 return 0;
1640}
1641
1642static int zd1201_auth_sta(struct net_device *dev,
1643 struct iw_request_info *info, struct sockaddr *sta, char *extra)
1644{
3d29b0c3 1645 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1646 unsigned char buffer[10];
1647
1648 if (!zd->ap)
1649 return -EOPNOTSUPP;
1650
1651 memcpy(buffer, sta->sa_data, ETH_ALEN);
1652 *(short*)(buffer+6) = 0; /* 0==success, 1==failure */
1653 *(short*)(buffer+8) = 0;
1654
1655 return zd1201_setconfig(zd, ZD1201_RID_AUTHENTICATESTA, buffer, 10, 1);
1656}
1657
1658static int zd1201_set_maxassoc(struct net_device *dev,
1659 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1660{
3d29b0c3 1661 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1662 int err;
1663
1664 if (!zd->ap)
1665 return -EOPNOTSUPP;
1666
1667 err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, rrq->value);
1668 if (err)
1669 return err;
1670 return 0;
1671}
1672
1673static int zd1201_get_maxassoc(struct net_device *dev,
1674 struct iw_request_info *info, struct iw_param *rrq, char *extra)
1675{
3d29b0c3 1676 struct zd1201 *zd = netdev_priv(dev);
1da177e4
LT		 1677 short maxassoc;
1678 int err;
1679
1680 if (!zd->ap)
1681 return -EOPNOTSUPP;
1682
1683 err = zd1201_getconfig16(zd, ZD1201_RID_CNFMAXASSOCSTATIONS, &maxassoc);
1684 if (err)
1685 return err;
1686 rrq->value = maxassoc;
1687 rrq->fixed = 1;
1688
1689 return 0;
1690}
1691
1692static const iw_handler zd1201_private_handler[] = {
1693 (iw_handler) zd1201_set_hostauth, /* ZD1201SIWHOSTAUTH */
1694 (iw_handler) zd1201_get_hostauth, /* ZD1201GIWHOSTAUTH */
1695 (iw_handler) zd1201_auth_sta, /* ZD1201SIWAUTHSTA */
1696 (iw_handler) NULL, /* nothing to get */
1697 (iw_handler) zd1201_set_maxassoc, /* ZD1201SIMAXASSOC */
1698 (iw_handler) zd1201_get_maxassoc, /* ZD1201GIMAXASSOC */
1699};
1700
1701static const struct iw_priv_args zd1201_private_args[] = {
1702 { ZD1201SIWHOSTAUTH, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1703 IW_PRIV_TYPE_NONE, "sethostauth" },
1704 { ZD1201GIWHOSTAUTH, IW_PRIV_TYPE_NONE,
1705 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostauth" },
52950ed4 1706 { ZD1201SIWAUTHSTA, IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1,
1da177e4
LT		 1707 IW_PRIV_TYPE_NONE, "authstation" },
1708 { ZD1201SIWMAXASSOC, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
1709 IW_PRIV_TYPE_NONE, "setmaxassoc" },
1710 { ZD1201GIWMAXASSOC, IW_PRIV_TYPE_NONE,
1711 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmaxassoc" },
1712};
1713
1714static const struct iw_handler_def zd1201_iw_handlers = {
52950ed4
TK		 1715 .num_standard = ARRAY_SIZE(zd1201_iw_handler),
1716 .num_private = ARRAY_SIZE(zd1201_private_handler),
1717 .num_private_args = ARRAY_SIZE(zd1201_private_args),
1da177e4
LT		 1718 .standard = (iw_handler *)zd1201_iw_handler,
1719 .private = (iw_handler *)zd1201_private_handler,
1720 .private_args = (struct iw_priv_args *) zd1201_private_args,
00736025 1721 .get_wireless_stats = zd1201_get_wireless_stats,
1da177e4
LT		 1722};
1723
2bd9f54d
SH		 1724static const struct net_device_ops zd1201_netdev_ops = {
1725 .ndo_open = zd1201_net_open,
1726 .ndo_stop = zd1201_net_stop,
1727 .ndo_start_xmit = zd1201_hard_start_xmit,
1728 .ndo_tx_timeout = zd1201_tx_timeout,
1729 .ndo_set_multicast_list = zd1201_set_multicast,
1730 .ndo_set_mac_address = zd1201_set_mac_address,
1731 .ndo_change_mtu = eth_change_mtu,
2bd9f54d
SH		 1732 .ndo_validate_addr = eth_validate_addr,
1733};
1734
2e0a6b8c
AB		 1735static int zd1201_probe(struct usb_interface *interface,
1736 const struct usb_device_id *id)
1da177e4
LT		 1737{
1738 struct zd1201 *zd;
3d29b0c3 1739 struct net_device *dev;
1da177e4 1740 struct usb_device *usb;
2a806340 1741 int err;
1da177e4
LT		 1742 short porttype;
1743 char buf[IW_ESSID_MAX_SIZE+2];
1744
1745 usb = interface_to_usbdev(interface);
1746
3d29b0c3
JL		 1747 dev = alloc_etherdev(sizeof(*zd));
1748 if (!dev)
1da177e4 1749 return -ENOMEM;
3d29b0c3
JL		 1750 zd = netdev_priv(dev);
1751 zd->dev = dev;
1752
1da177e4
LT		 1753 zd->ap = ap;
1754 zd->usb = usb;
1755 zd->removed = 0;
1756 init_waitqueue_head(&zd->rxdataq);
1757 INIT_HLIST_HEAD(&zd->fraglist);
1758
1759 err = zd1201_fw_upload(usb, zd->ap);
1760 if (err) {
1761 dev_err(&usb->dev, "zd1201 firmware upload failed: %d\n", err);
1762 goto err_zd;
1763 }
1764
1765 zd->endp_in = 1;
1766 zd->endp_out = 1;
1767 zd->endp_out2 = 2;
1768 zd->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
1769 zd->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
1770 if (!zd->rx_urb || !zd->tx_urb)
1771 goto err_zd;
1772
2a806340 1773 mdelay(100);
1da177e4
LT		 1774 err = zd1201_drvr_start(zd);
1775 if (err)
1776 goto err_zd;
1777
1778 err = zd1201_setconfig16(zd, ZD1201_RID_CNFMAXDATALEN, 2312);
1779 if (err)
1780 goto err_start;
1781
1782 err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL,
1783 ZD1201_RATEB1 | ZD1201_RATEB2 | ZD1201_RATEB5 | ZD1201_RATEB11);
1784 if (err)
1785 goto err_start;
1786
2bd9f54d 1787 dev->netdev_ops = &zd1201_netdev_ops;
22bc1ce4 1788 dev->wireless_handlers = &zd1201_iw_handlers;
3d29b0c3 1789 dev->watchdog_timeo = ZD1201_TX_TIMEOUT;
3d29b0c3 1790 strcpy(dev->name, "wlan%d");
1da177e4
LT		 1791
1792 err = zd1201_getconfig(zd, ZD1201_RID_CNFOWNMACADDR,
3d29b0c3 1793 dev->dev_addr, dev->addr_len);
1da177e4 1794 if (err)
3d29b0c3 1795 goto err_start;
1da177e4
LT		 1796
1797 /* Set wildcard essid to match zd->essid */
1798 *(__le16 *)buf = cpu_to_le16(0);
1799 err = zd1201_setconfig(zd, ZD1201_RID_CNFDESIREDSSID, buf,
1800 IW_ESSID_MAX_SIZE+2, 1);
1801 if (err)
3d29b0c3 1802 goto err_start;
1da177e4
LT		 1803
1804 if (zd->ap)
1805 porttype = ZD1201_PORTTYPE_AP;
1806 else
1807 porttype = ZD1201_PORTTYPE_BSS;
1808 err = zd1201_setconfig16(zd, ZD1201_RID_CNFPORTTYPE, porttype);
1809 if (err)
3d29b0c3 1810 goto err_start;
1da177e4 1811
3d29b0c3 1812 SET_NETDEV_DEV(dev, &usb->dev);
a083dec0 1813
3d29b0c3 1814 err = register_netdev(dev);
1da177e4 1815 if (err)
3d29b0c3 1816 goto err_start;
1da177e4 1817 dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n",
3d29b0c3 1818 dev->name);
2a806340 1819
1da177e4 1820 usb_set_intfdata(interface, zd);
d91928e9
PM		 1821 zd1201_enable(zd); /* zd1201 likes to startup enabled, */
1822 zd1201_disable(zd); /* interfering with all the wifis in range */
1da177e4
LT		 1823 return 0;
1824
1da177e4
LT		 1825err_start:
1826 /* Leave the device in reset state */
1827 zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0);
1828err_zd:
f988f272
MK		 1829 usb_free_urb(zd->tx_urb);
1830 usb_free_urb(zd->rx_urb);
3d29b0c3 1831 free_netdev(dev);
1da177e4
LT		 1832 return err;
1833}
1834
2e0a6b8c 1835static void zd1201_disconnect(struct usb_interface *interface)
1da177e4
LT		 1836{
1837 struct zd1201 *zd=(struct zd1201 *)usb_get_intfdata(interface);
1838 struct hlist_node *node, *node2;
1839 struct zd1201_frag *frag;
1840
1841 if (!zd)
1842 return;
1843 usb_set_intfdata(interface, NULL);
1da177e4
LT		 1844
1845 hlist_for_each_entry_safe(frag, node, node2, &zd->fraglist, fnode) {
1846 hlist_del_init(&frag->fnode);
1847 kfree_skb(frag->skb);
1848 kfree(frag);
1849 }
1850
1851 if (zd->tx_urb) {
1852 usb_kill_urb(zd->tx_urb);
1853 usb_free_urb(zd->tx_urb);
1854 }
1855 if (zd->rx_urb) {
1856 usb_kill_urb(zd->rx_urb);
1857 usb_free_urb(zd->rx_urb);
1858 }
b88a2a22
WC		 1859
1860 if (zd->dev) {
1861 unregister_netdev(zd->dev);
1862 free_netdev(zd->dev);
1863 }
1da177e4
LT		 1864}
1865
a3c900bb
CL		 1866#ifdef CONFIG_PM
1867
1868static int zd1201_suspend(struct usb_interface *interface,
1869 pm_message_t message)
1870{
1871 struct zd1201 *zd = usb_get_intfdata(interface);
1872
1873 netif_device_detach(zd->dev);
1874
1875 zd->was_enabled = zd->mac_enabled;
1876
1877 if (zd->was_enabled)
1878 return zd1201_disable(zd);
1879 else
1880 return 0;
1881}
1882
1883static int zd1201_resume(struct usb_interface *interface)
1884{
1885 struct zd1201 *zd = usb_get_intfdata(interface);
1886
f58f97fa
CL		 1887 if (!zd || !zd->dev)
1888 return -ENODEV;
1889
a3c900bb
CL		 1890 netif_device_attach(zd->dev);
1891
1892 if (zd->was_enabled)
1893 return zd1201_enable(zd);
1894 else
1895 return 0;
1896}
1897
1898#else
1899
1900#define zd1201_suspend NULL
1901#define zd1201_resume NULL
1902
1903#endif
1904
2e0a6b8c 1905static struct usb_driver zd1201_usb = {
1da177e4
LT		 1906 .name = "zd1201",
1907 .probe = zd1201_probe,
1908 .disconnect = zd1201_disconnect,
1909 .id_table = zd1201_table,
a3c900bb
CL		 1910 .suspend = zd1201_suspend,
1911 .resume = zd1201_resume,
1da177e4
LT		 1912};
1913
1914static int __init zd1201_init(void)
1915{
1916 return usb_register(&zd1201_usb);
1917}
1918
1919static void __exit zd1201_cleanup(void)
1920{
1921 usb_deregister(&zd1201_usb);
1922}
1923
1924module_init(zd1201_init);
1925module_exit(zd1201_cleanup);
Linux kernel - Deliverables
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