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Linux 2.6.26-rc5
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / net / wireless / libertas / wext.c
blob0973d015a5201e7dc604f1c86229c25b5a6bc265
1 /**
2 * This file contains ioctl functions
3 */
4 #include <linux/ctype.h>
5 #include <linux/delay.h>
6 #include <linux/if.h>
7 #include <linux/if_arp.h>
8 #include <linux/wireless.h>
9 #include <linux/bitops.h>
10
11 #include <net/ieee80211.h>
12 #include <net/iw_handler.h>
13
14 #include "host.h"
15 #include "radiotap.h"
16 #include "decl.h"
17 #include "defs.h"
18 #include "dev.h"
19 #include "wext.h"
20 #include "scan.h"
21 #include "assoc.h"
22 #include "cmd.h"
23
24
25 static inline void lbs_postpone_association_work(struct lbs_private *priv)
26 {
27 if (priv->surpriseremoved)
28 return;
29 cancel_delayed_work(&priv->assoc_work);
30 queue_delayed_work(priv->work_thread, &priv->assoc_work, HZ / 2);
31 }
32
33 static inline void lbs_cancel_association_work(struct lbs_private *priv)
34 {
35 cancel_delayed_work(&priv->assoc_work);
36 kfree(priv->pending_assoc_req);
37 priv->pending_assoc_req = NULL;
38 }
39
40
41 /**
42 * @brief Find the channel frequency power info with specific channel
43 *
44 * @param priv A pointer to struct lbs_private structure
45 * @param band it can be BAND_A, BAND_G or BAND_B
46 * @param channel the channel for looking
47 * @return A pointer to struct chan_freq_power structure or NULL if not find.
48 */
49 struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
50 struct lbs_private *priv,
51 u8 band,
52 u16 channel)
53 {
54 struct chan_freq_power *cfp = NULL;
55 struct region_channel *rc;
56 int i, j;
57
58 for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
59 rc = &priv->region_channel[j];
60
61 if (priv->enable11d)
62 rc = &priv->universal_channel[j];
63 if (!rc->valid || !rc->CFP)
64 continue;
65 if (rc->band != band)
66 continue;
67 for (i = 0; i < rc->nrcfp; i++) {
68 if (rc->CFP[i].channel == channel) {
69 cfp = &rc->CFP[i];
70 break;
71 }
72 }
73 }
74
75 if (!cfp && channel)
76 lbs_deb_wext("lbs_find_cfp_by_band_and_channel: can't find "
77 "cfp by band %d / channel %d\n", band, channel);
78
79 return cfp;
80 }
81
82 /**
83 * @brief Find the channel frequency power info with specific frequency
84 *
85 * @param priv A pointer to struct lbs_private structure
86 * @param band it can be BAND_A, BAND_G or BAND_B
87 * @param freq the frequency for looking
88 * @return A pointer to struct chan_freq_power structure or NULL if not find.
89 */
90 static struct chan_freq_power *find_cfp_by_band_and_freq(
91 struct lbs_private *priv,
92 u8 band,
93 u32 freq)
94 {
95 struct chan_freq_power *cfp = NULL;
96 struct region_channel *rc;
97 int i, j;
98
99 for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
100 rc = &priv->region_channel[j];
101
102 if (priv->enable11d)
103 rc = &priv->universal_channel[j];
104 if (!rc->valid || !rc->CFP)
105 continue;
106 if (rc->band != band)
107 continue;
108 for (i = 0; i < rc->nrcfp; i++) {
109 if (rc->CFP[i].freq == freq) {
110 cfp = &rc->CFP[i];
111 break;
112 }
113 }
114 }
115
116 if (!cfp && freq)
117 lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by "
118 "band %d / freq %d\n", band, freq);
119
120 return cfp;
121 }
122
123
124 /**
125 * @brief Set Radio On/OFF
126 *
127 * @param priv A pointer to struct lbs_private structure
128 * @option Radio Option
129 * @return 0 --success, otherwise fail
130 */
131 static int lbs_radio_ioctl(struct lbs_private *priv, u8 option)
132 {
133 int ret = 0;
134
135 lbs_deb_enter(LBS_DEB_WEXT);
136
137 if (priv->radioon != option) {
138 lbs_deb_wext("switching radio %s\n", option ? "on" : "off");
139 priv->radioon = option;
140
141 ret = lbs_prepare_and_send_command(priv,
142 CMD_802_11_RADIO_CONTROL,
143 CMD_ACT_SET,
144 CMD_OPTION_WAITFORRSP, 0, NULL);
145 }
146
147 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
148 return ret;
149 }
150
151 /**
152 * @brief Copy active data rates based on adapter mode and status
153 *
154 * @param priv A pointer to struct lbs_private structure
155 * @param rate The buf to return the active rates
156 */
157 static void copy_active_data_rates(struct lbs_private *priv, u8 *rates)
158 {
159 lbs_deb_enter(LBS_DEB_WEXT);
160
161 if ((priv->connect_status != LBS_CONNECTED) &&
162 (priv->mesh_connect_status != LBS_CONNECTED))
163 memcpy(rates, lbs_bg_rates, MAX_RATES);
164 else
165 memcpy(rates, priv->curbssparams.rates, MAX_RATES);
166
167 lbs_deb_leave(LBS_DEB_WEXT);
168 }
169
170 static int lbs_get_name(struct net_device *dev, struct iw_request_info *info,
171 char *cwrq, char *extra)
172 {
173
174 lbs_deb_enter(LBS_DEB_WEXT);
175
176 /* We could add support for 802.11n here as needed. Jean II */
177 snprintf(cwrq, IFNAMSIZ, "IEEE 802.11b/g");
178
179 lbs_deb_leave(LBS_DEB_WEXT);
180 return 0;
181 }
182
183 static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
184 struct iw_freq *fwrq, char *extra)
185 {
186 struct lbs_private *priv = dev->priv;
187 struct chan_freq_power *cfp;
188
189 lbs_deb_enter(LBS_DEB_WEXT);
190
191 cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
192 priv->curbssparams.channel);
193
194 if (!cfp) {
195 if (priv->curbssparams.channel)
196 lbs_deb_wext("invalid channel %d\n",
197 priv->curbssparams.channel);
198 return -EINVAL;
199 }
200
201 fwrq->m = (long)cfp->freq * 100000;
202 fwrq->e = 1;
203
204 lbs_deb_wext("freq %u\n", fwrq->m);
205 lbs_deb_leave(LBS_DEB_WEXT);
206 return 0;
207 }
208
209 static int lbs_get_wap(struct net_device *dev, struct iw_request_info *info,
210 struct sockaddr *awrq, char *extra)
211 {
212 struct lbs_private *priv = dev->priv;
213
214 lbs_deb_enter(LBS_DEB_WEXT);
215
216 if (priv->connect_status == LBS_CONNECTED) {
217 memcpy(awrq->sa_data, priv->curbssparams.bssid, ETH_ALEN);
218 } else {
219 memset(awrq->sa_data, 0, ETH_ALEN);
220 }
221 awrq->sa_family = ARPHRD_ETHER;
222
223 lbs_deb_leave(LBS_DEB_WEXT);
224 return 0;
225 }
226
227 static int lbs_set_nick(struct net_device *dev, struct iw_request_info *info,
228 struct iw_point *dwrq, char *extra)
229 {
230 struct lbs_private *priv = dev->priv;
231
232 lbs_deb_enter(LBS_DEB_WEXT);
233
234 /*
235 * Check the size of the string
236 */
237
238 if (dwrq->length > 16) {
239 return -E2BIG;
240 }
241
242 mutex_lock(&priv->lock);
243 memset(priv->nodename, 0, sizeof(priv->nodename));
244 memcpy(priv->nodename, extra, dwrq->length);
245 mutex_unlock(&priv->lock);
246
247 lbs_deb_leave(LBS_DEB_WEXT);
248 return 0;
249 }
250
251 static int lbs_get_nick(struct net_device *dev, struct iw_request_info *info,
252 struct iw_point *dwrq, char *extra)
253 {
254 struct lbs_private *priv = dev->priv;
255
256 lbs_deb_enter(LBS_DEB_WEXT);
257
258 dwrq->length = strlen(priv->nodename);
259 memcpy(extra, priv->nodename, dwrq->length);
260 extra[dwrq->length] = '\0';
261
262 dwrq->flags = 1; /* active */
263
264 lbs_deb_leave(LBS_DEB_WEXT);
265 return 0;
266 }
267
268 static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info,
269 struct iw_point *dwrq, char *extra)
270 {
271 struct lbs_private *priv = dev->priv;
272
273 lbs_deb_enter(LBS_DEB_WEXT);
274
275 /* Use nickname to indicate that mesh is on */
276
277 if (priv->mesh_connect_status == LBS_CONNECTED) {
278 strncpy(extra, "Mesh", 12);
279 extra[12] = '\0';
280 dwrq->length = strlen(extra);
281 }
282
283 else {
284 extra[0] = '\0';
285 dwrq->length = 0;
286 }
287
288 lbs_deb_leave(LBS_DEB_WEXT);
289 return 0;
290 }
291
292 static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
293 struct iw_param *vwrq, char *extra)
294 {
295 int ret = 0;
296 struct lbs_private *priv = dev->priv;
297 u32 rthr = vwrq->value;
298
299 lbs_deb_enter(LBS_DEB_WEXT);
300
301 if (vwrq->disabled) {
302 priv->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE;
303 } else {
304 if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE)
305 return -EINVAL;
306 priv->rtsthsd = rthr;
307 }
308
309 ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
310 CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
311 OID_802_11_RTS_THRESHOLD, &rthr);
312
313 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
314 return ret;
315 }
316
317 static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info,
318 struct iw_param *vwrq, char *extra)
319 {
320 int ret = 0;
321 struct lbs_private *priv = dev->priv;
322
323 lbs_deb_enter(LBS_DEB_WEXT);
324
325 priv->rtsthsd = 0;
326 ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
327 CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
328 OID_802_11_RTS_THRESHOLD, NULL);
329 if (ret)
330 goto out;
331
332 vwrq->value = priv->rtsthsd;
333 vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE)
334 || (vwrq->value > MRVDRV_RTS_MAX_VALUE));
335 vwrq->fixed = 1;
336
337 out:
338 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
339 return ret;
340 }
341
342 static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
343 struct iw_param *vwrq, char *extra)
344 {
345 int ret = 0;
346 u32 fthr = vwrq->value;
347 struct lbs_private *priv = dev->priv;
348
349 lbs_deb_enter(LBS_DEB_WEXT);
350
351 if (vwrq->disabled) {
352 priv->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE;
353 } else {
354 if (fthr < MRVDRV_FRAG_MIN_VALUE
355 || fthr > MRVDRV_FRAG_MAX_VALUE)
356 return -EINVAL;
357 priv->fragthsd = fthr;
358 }
359
360 ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
361 CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
362 OID_802_11_FRAGMENTATION_THRESHOLD, &fthr);
363
364 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
365 return ret;
366 }
367
368 static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
369 struct iw_param *vwrq, char *extra)
370 {
371 int ret = 0;
372 struct lbs_private *priv = dev->priv;
373
374 lbs_deb_enter(LBS_DEB_WEXT);
375
376 priv->fragthsd = 0;
377 ret = lbs_prepare_and_send_command(priv,
378 CMD_802_11_SNMP_MIB,
379 CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
380 OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
381 if (ret)
382 goto out;
383
384 vwrq->value = priv->fragthsd;
385 vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE)
386 || (vwrq->value > MRVDRV_FRAG_MAX_VALUE));
387 vwrq->fixed = 1;
388
389 out:
390 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
391 return ret;
392 }
393
394 static int lbs_get_mode(struct net_device *dev,
395 struct iw_request_info *info, u32 * uwrq, char *extra)
396 {
397 struct lbs_private *priv = dev->priv;
398
399 lbs_deb_enter(LBS_DEB_WEXT);
400
401 *uwrq = priv->mode;
402
403 lbs_deb_leave(LBS_DEB_WEXT);
404 return 0;
405 }
406
407 static int mesh_wlan_get_mode(struct net_device *dev,
408 struct iw_request_info *info, u32 * uwrq,
409 char *extra)
410 {
411 lbs_deb_enter(LBS_DEB_WEXT);
412
413 *uwrq = IW_MODE_REPEAT ;
414
415 lbs_deb_leave(LBS_DEB_WEXT);
416 return 0;
417 }
418
419 static int lbs_get_txpow(struct net_device *dev,
420 struct iw_request_info *info,
421 struct iw_param *vwrq, char *extra)
422 {
423 int ret = 0;
424 struct lbs_private *priv = dev->priv;
425
426 lbs_deb_enter(LBS_DEB_WEXT);
427
428 ret = lbs_prepare_and_send_command(priv,
429 CMD_802_11_RF_TX_POWER,
430 CMD_ACT_TX_POWER_OPT_GET,
431 CMD_OPTION_WAITFORRSP, 0, NULL);
432
433 if (ret)
434 goto out;
435
436 lbs_deb_wext("tx power level %d dbm\n", priv->txpowerlevel);
437 vwrq->value = priv->txpowerlevel;
438 vwrq->fixed = 1;
439 if (priv->radioon) {
440 vwrq->disabled = 0;
441 vwrq->flags = IW_TXPOW_DBM;
442 } else {
443 vwrq->disabled = 1;
444 }
445
446 out:
447 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
448 return ret;
449 }
450
451 static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
452 struct iw_param *vwrq, char *extra)
453 {
454 int ret = 0;
455 struct lbs_private *priv = dev->priv;
456
457 lbs_deb_enter(LBS_DEB_WEXT);
458
459 if (vwrq->flags == IW_RETRY_LIMIT) {
460 /* The MAC has a 4-bit Total_Tx_Count register
461 Total_Tx_Count = 1 + Tx_Retry_Count */
462 #define TX_RETRY_MIN 0
463 #define TX_RETRY_MAX 14
464 if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
465 return -EINVAL;
466
467 /* Adding 1 to convert retry count to try count */
468 priv->txretrycount = vwrq->value + 1;
469
470 ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
471 CMD_ACT_SET,
472 CMD_OPTION_WAITFORRSP,
473 OID_802_11_TX_RETRYCOUNT, NULL);
474
475 if (ret)
476 goto out;
477 } else {
478 return -EOPNOTSUPP;
479 }
480
481 out:
482 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
483 return ret;
484 }
485
486 static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
487 struct iw_param *vwrq, char *extra)
488 {
489 struct lbs_private *priv = dev->priv;
490 int ret = 0;
491
492 lbs_deb_enter(LBS_DEB_WEXT);
493
494 priv->txretrycount = 0;
495 ret = lbs_prepare_and_send_command(priv,
496 CMD_802_11_SNMP_MIB,
497 CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
498 OID_802_11_TX_RETRYCOUNT, NULL);
499 if (ret)
500 goto out;
501
502 vwrq->disabled = 0;
503 if (!vwrq->flags) {
504 vwrq->flags = IW_RETRY_LIMIT;
505 /* Subtract 1 to convert try count to retry count */
506 vwrq->value = priv->txretrycount - 1;
507 }
508
509 out:
510 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
511 return ret;
512 }
513
514 static inline void sort_channels(struct iw_freq *freq, int num)
515 {
516 int i, j;
517 struct iw_freq temp;
518
519 for (i = 0; i < num; i++)
520 for (j = i + 1; j < num; j++)
521 if (freq[i].i > freq[j].i) {
522 temp.i = freq[i].i;
523 temp.m = freq[i].m;
524
525 freq[i].i = freq[j].i;
526 freq[i].m = freq[j].m;
527
528 freq[j].i = temp.i;
529 freq[j].m = temp.m;
530 }
531 }
532
533 /* data rate listing
534 MULTI_BANDS:
535 abg a b b/g
536 Infra G(12) A(8) B(4) G(12)
537 Adhoc A+B(12) A(8) B(4) B(4)
538
539 non-MULTI_BANDS:
540 b b/g
541 Infra B(4) G(12)
542 Adhoc B(4) B(4)
543 */
544 /**
545 * @brief Get Range Info
546 *
547 * @param dev A pointer to net_device structure
548 * @param info A pointer to iw_request_info structure
549 * @param vwrq A pointer to iw_param structure
550 * @param extra A pointer to extra data buf
551 * @return 0 --success, otherwise fail
552 */
553 static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
554 struct iw_point *dwrq, char *extra)
555 {
556 int i, j;
557 struct lbs_private *priv = dev->priv;
558 struct iw_range *range = (struct iw_range *)extra;
559 struct chan_freq_power *cfp;
560 u8 rates[MAX_RATES + 1];
561
562 u8 flag = 0;
563
564 lbs_deb_enter(LBS_DEB_WEXT);
565
566 dwrq->length = sizeof(struct iw_range);
567 memset(range, 0, sizeof(struct iw_range));
568
569 range->min_nwid = 0;
570 range->max_nwid = 0;
571
572 memset(rates, 0, sizeof(rates));
573 copy_active_data_rates(priv, rates);
574 range->num_bitrates = strnlen(rates, IW_MAX_BITRATES);
575 for (i = 0; i < range->num_bitrates; i++)
576 range->bitrate[i] = rates[i] * 500000;
577 range->num_bitrates = i;
578 lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
579 range->num_bitrates);
580
581 range->num_frequency = 0;
582
583 range->scan_capa = IW_SCAN_CAPA_ESSID;
584
585 if (priv->enable11d &&
586 (priv->connect_status == LBS_CONNECTED ||
587 priv->mesh_connect_status == LBS_CONNECTED)) {
588 u8 chan_no;
589 u8 band;
590
591 struct parsed_region_chan_11d *parsed_region_chan =
592 &priv->parsed_region_chan;
593
594 if (parsed_region_chan == NULL) {
595 lbs_deb_wext("11d: parsed_region_chan is NULL\n");
596 goto out;
597 }
598 band = parsed_region_chan->band;
599 lbs_deb_wext("band %d, nr_char %d\n", band,
600 parsed_region_chan->nr_chan);
601
602 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
603 && (i < parsed_region_chan->nr_chan); i++) {
604 chan_no = parsed_region_chan->chanpwr[i].chan;
605 lbs_deb_wext("chan_no %d\n", chan_no);
606 range->freq[range->num_frequency].i = (long)chan_no;
607 range->freq[range->num_frequency].m =
608 (long)lbs_chan_2_freq(chan_no) * 100000;
609 range->freq[range->num_frequency].e = 1;
610 range->num_frequency++;
611 }
612 flag = 1;
613 }
614 if (!flag) {
615 for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
616 && (j < ARRAY_SIZE(priv->region_channel)); j++) {
617 cfp = priv->region_channel[j].CFP;
618 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
619 && priv->region_channel[j].valid
620 && cfp
621 && (i < priv->region_channel[j].nrcfp); i++) {
622 range->freq[range->num_frequency].i =
623 (long)cfp->channel;
624 range->freq[range->num_frequency].m =
625 (long)cfp->freq * 100000;
626 range->freq[range->num_frequency].e = 1;
627 cfp++;
628 range->num_frequency++;
629 }
630 }
631 }
632
633 lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
634 IW_MAX_FREQUENCIES, range->num_frequency);
635
636 range->num_channels = range->num_frequency;
637
638 sort_channels(&range->freq[0], range->num_frequency);
639
640 /*
641 * Set an indication of the max TCP throughput in bit/s that we can
642 * expect using this interface
643 */
644 if (i > 2)
645 range->throughput = 5000 * 1000;
646 else
647 range->throughput = 1500 * 1000;
648
649 range->min_rts = MRVDRV_RTS_MIN_VALUE;
650 range->max_rts = MRVDRV_RTS_MAX_VALUE;
651 range->min_frag = MRVDRV_FRAG_MIN_VALUE;
652 range->max_frag = MRVDRV_FRAG_MAX_VALUE;
653
654 range->encoding_size[0] = 5;
655 range->encoding_size[1] = 13;
656 range->num_encoding_sizes = 2;
657 range->max_encoding_tokens = 4;
658
659 /*
660 * Right now we support only "iwconfig ethX power on|off"
661 */
662 range->pm_capa = IW_POWER_ON;
663
664 /*
665 * Minimum version we recommend
666 */
667 range->we_version_source = 15;
668
669 /*
670 * Version we are compiled with
671 */
672 range->we_version_compiled = WIRELESS_EXT;
673
674 range->retry_capa = IW_RETRY_LIMIT;
675 range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
676
677 range->min_retry = TX_RETRY_MIN;
678 range->max_retry = TX_RETRY_MAX;
679
680 /*
681 * Set the qual, level and noise range values
682 */
683 range->max_qual.qual = 100;
684 range->max_qual.level = 0;
685 range->max_qual.noise = 0;
686 range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
687
688 range->avg_qual.qual = 70;
689 /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
690 range->avg_qual.level = 0;
691 range->avg_qual.noise = 0;
692 range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
693
694 range->sensitivity = 0;
695
696 /*
697 * Setup the supported power level ranges
698 */
699 memset(range->txpower, 0, sizeof(range->txpower));
700 range->txpower[0] = 5;
701 range->txpower[1] = 7;
702 range->txpower[2] = 9;
703 range->txpower[3] = 11;
704 range->txpower[4] = 13;
705 range->txpower[5] = 15;
706 range->txpower[6] = 17;
707 range->txpower[7] = 19;
708
709 range->num_txpower = 8;
710 range->txpower_capa = IW_TXPOW_DBM;
711 range->txpower_capa |= IW_TXPOW_RANGE;
712
713 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
714 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
715 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
716 range->event_capa[1] = IW_EVENT_CAPA_K_1;
717
718 if (priv->fwcapinfo & FW_CAPINFO_WPA) {
719 range->enc_capa = IW_ENC_CAPA_WPA
720 | IW_ENC_CAPA_WPA2
721 | IW_ENC_CAPA_CIPHER_TKIP
722 | IW_ENC_CAPA_CIPHER_CCMP;
723 }
724
725 out:
726 lbs_deb_leave(LBS_DEB_WEXT);
727 return 0;
728 }
729
730 static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
731 struct iw_param *vwrq, char *extra)
732 {
733 struct lbs_private *priv = dev->priv;
734
735 lbs_deb_enter(LBS_DEB_WEXT);
736
737 if (!priv->ps_supported) {
738 if (vwrq->disabled)
739 return 0;
740 else
741 return -EINVAL;
742 }
743
744 /* PS is currently supported only in Infrastructure mode
745 * Remove this check if it is to be supported in IBSS mode also
746 */
747
748 if (vwrq->disabled) {
749 priv->psmode = LBS802_11POWERMODECAM;
750 if (priv->psstate != PS_STATE_FULL_POWER) {
751 lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
752 }
753
754 return 0;
755 }
756
757 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
758 lbs_deb_wext(
759 "setting power timeout is not supported\n");
760 return -EINVAL;
761 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
762 lbs_deb_wext("setting power period not supported\n");
763 return -EINVAL;
764 }
765
766 if (priv->psmode != LBS802_11POWERMODECAM) {
767 return 0;
768 }
769
770 priv->psmode = LBS802_11POWERMODEMAX_PSP;
771
772 if (priv->connect_status == LBS_CONNECTED) {
773 lbs_ps_sleep(priv, CMD_OPTION_WAITFORRSP);
774 }
775
776 lbs_deb_leave(LBS_DEB_WEXT);
777 return 0;
778 }
779
780 static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
781 struct iw_param *vwrq, char *extra)
782 {
783 struct lbs_private *priv = dev->priv;
784
785 lbs_deb_enter(LBS_DEB_WEXT);
786
787 vwrq->value = 0;
788 vwrq->flags = 0;
789 vwrq->disabled = priv->psmode == LBS802_11POWERMODECAM
790 || priv->connect_status == LBS_DISCONNECTED;
791
792 lbs_deb_leave(LBS_DEB_WEXT);
793 return 0;
794 }
795
796 static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
797 {
798 enum {
799 POOR = 30,
800 FAIR = 60,
801 GOOD = 80,
802 VERY_GOOD = 90,
803 EXCELLENT = 95,
804 PERFECT = 100
805 };
806 struct lbs_private *priv = dev->priv;
807 u32 rssi_qual;
808 u32 tx_qual;
809 u32 quality = 0;
810 int stats_valid = 0;
811 u8 rssi;
812 u32 tx_retries;
813 struct cmd_ds_802_11_get_log log;
814
815 lbs_deb_enter(LBS_DEB_WEXT);
816
817 priv->wstats.status = priv->mode;
818
819 /* If we're not associated, all quality values are meaningless */
820 if ((priv->connect_status != LBS_CONNECTED) &&
821 (priv->mesh_connect_status != LBS_CONNECTED))
822 goto out;
823
824 /* Quality by RSSI */
825 priv->wstats.qual.level =
826 CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
827 priv->NF[TYPE_BEACON][TYPE_NOAVG]);
828
829 if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
830 priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
831 } else {
832 priv->wstats.qual.noise =
833 CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
834 }
835
836 lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
837 lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
838
839 rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
840 if (rssi < 15)
841 rssi_qual = rssi * POOR / 10;
842 else if (rssi < 20)
843 rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
844 else if (rssi < 30)
845 rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
846 else if (rssi < 40)
847 rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
848 10 + GOOD;
849 else
850 rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
851 10 + VERY_GOOD;
852 quality = rssi_qual;
853
854 /* Quality by TX errors */
855 priv->wstats.discard.retries = priv->stats.tx_errors;
856
857 memset(&log, 0, sizeof(log));
858 log.hdr.size = cpu_to_le16(sizeof(log));
859 lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);
860
861 tx_retries = le32_to_cpu(log.retry);
862
863 if (tx_retries > 75)
864 tx_qual = (90 - tx_retries) * POOR / 15;
865 else if (tx_retries > 70)
866 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
867 else if (tx_retries > 65)
868 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
869 else if (tx_retries > 50)
870 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
871 15 + GOOD;
872 else
873 tx_qual = (50 - tx_retries) *
874 (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
875 quality = min(quality, tx_qual);
876
877 priv->wstats.discard.code = le32_to_cpu(log.wepundecryptable);
878 priv->wstats.discard.retries = tx_retries;
879 priv->wstats.discard.misc = le32_to_cpu(log.ackfailure);
880
881 /* Calculate quality */
882 priv->wstats.qual.qual = min_t(u8, quality, 100);
883 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
884 stats_valid = 1;
885
886 /* update stats asynchronously for future calls */
887 lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
888 0, 0, NULL);
889 out:
890 if (!stats_valid) {
891 priv->wstats.miss.beacon = 0;
892 priv->wstats.discard.retries = 0;
893 priv->wstats.qual.qual = 0;
894 priv->wstats.qual.level = 0;
895 priv->wstats.qual.noise = 0;
896 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
897 priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
898 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
899 }
900
901 lbs_deb_leave(LBS_DEB_WEXT);
902 return &priv->wstats;
903
904
905 }
906
907 static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
908 struct iw_freq *fwrq, char *extra)
909 {
910 int ret = -EINVAL;
911 struct lbs_private *priv = dev->priv;
912 struct chan_freq_power *cfp;
913 struct assoc_request * assoc_req;
914
915 lbs_deb_enter(LBS_DEB_WEXT);
916
917 mutex_lock(&priv->lock);
918 assoc_req = lbs_get_association_request(priv);
919 if (!assoc_req) {
920 ret = -ENOMEM;
921 goto out;
922 }
923
924 /* If setting by frequency, convert to a channel */
925 if (fwrq->e == 1) {
926 long f = fwrq->m / 100000;
927
928 cfp = find_cfp_by_band_and_freq(priv, 0, f);
929 if (!cfp) {
930 lbs_deb_wext("invalid freq %ld\n", f);
931 goto out;
932 }
933
934 fwrq->e = 0;
935 fwrq->m = (int) cfp->channel;
936 }
937
938 /* Setting by channel number */
939 if (fwrq->m > 1000 || fwrq->e > 0) {
940 goto out;
941 }
942
943 cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
944 if (!cfp) {
945 goto out;
946 }
947
948 assoc_req->channel = fwrq->m;
949 ret = 0;
950
951 out:
952 if (ret == 0) {
953 set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
954 lbs_postpone_association_work(priv);
955 } else {
956 lbs_cancel_association_work(priv);
957 }
958 mutex_unlock(&priv->lock);
959
960 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
961 return ret;
962 }
963
964 static int lbs_mesh_set_freq(struct net_device *dev,
965 struct iw_request_info *info,
966 struct iw_freq *fwrq, char *extra)
967 {
968 struct lbs_private *priv = dev->priv;
969 struct chan_freq_power *cfp;
970 int ret = -EINVAL;
971
972 lbs_deb_enter(LBS_DEB_WEXT);
973
974 /* If setting by frequency, convert to a channel */
975 if (fwrq->e == 1) {
976 long f = fwrq->m / 100000;
977
978 cfp = find_cfp_by_band_and_freq(priv, 0, f);
979 if (!cfp) {
980 lbs_deb_wext("invalid freq %ld\n", f);
981 goto out;
982 }
983
984 fwrq->e = 0;
985 fwrq->m = (int) cfp->channel;
986 }
987
988 /* Setting by channel number */
989 if (fwrq->m > 1000 || fwrq->e > 0) {
990 goto out;
991 }
992
993 cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
994 if (!cfp) {
995 goto out;
996 }
997
998 if (fwrq->m != priv->curbssparams.channel) {
999 lbs_deb_wext("mesh channel change forces eth disconnect\n");
1000 if (priv->mode == IW_MODE_INFRA)
1001 lbs_send_deauthentication(priv);
1002 else if (priv->mode == IW_MODE_ADHOC)
1003 lbs_stop_adhoc_network(priv);
1004 }
1005 lbs_mesh_config(priv, 1, fwrq->m);
1006 lbs_update_channel(priv);
1007 ret = 0;
1008
1009 out:
1010 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1011 return ret;
1012 }
1013
1014 static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
1015 struct iw_param *vwrq, char *extra)
1016 {
1017 struct lbs_private *priv = dev->priv;
1018 u8 new_rate = 0;
1019 int ret = -EINVAL;
1020 u8 rates[MAX_RATES + 1];
1021
1022 lbs_deb_enter(LBS_DEB_WEXT);
1023 lbs_deb_wext("vwrq->value %d\n", vwrq->value);
1024
1025 /* Auto rate? */
1026 if (vwrq->value == -1) {
1027 priv->auto_rate = 1;
1028 priv->cur_rate = 0;
1029 } else {
1030 if (vwrq->value % 100000)
1031 goto out;
1032
1033 memset(rates, 0, sizeof(rates));
1034 copy_active_data_rates(priv, rates);
1035 new_rate = vwrq->value / 500000;
1036 if (!memchr(rates, new_rate, sizeof(rates))) {
1037 lbs_pr_alert("fixed data rate 0x%X out of range\n",
1038 new_rate);
1039 goto out;
1040 }
1041
1042 priv->cur_rate = new_rate;
1043 priv->auto_rate = 0;
1044 }
1045
1046 ret = lbs_set_data_rate(priv, new_rate);
1047
1048 out:
1049 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1050 return ret;
1051 }
1052
1053 static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1054 struct iw_param *vwrq, char *extra)
1055 {
1056 struct lbs_private *priv = dev->priv;
1057
1058 lbs_deb_enter(LBS_DEB_WEXT);
1059
1060 if (priv->connect_status == LBS_CONNECTED) {
1061 vwrq->value = priv->cur_rate * 500000;
1062
1063 if (priv->auto_rate)
1064 vwrq->fixed = 0;
1065 else
1066 vwrq->fixed = 1;
1067
1068 } else {
1069 vwrq->fixed = 0;
1070 vwrq->value = 0;
1071 }
1072
1073 lbs_deb_leave(LBS_DEB_WEXT);
1074 return 0;
1075 }
1076
1077 static int lbs_set_mode(struct net_device *dev,
1078 struct iw_request_info *info, u32 * uwrq, char *extra)
1079 {
1080 int ret = 0;
1081 struct lbs_private *priv = dev->priv;
1082 struct assoc_request * assoc_req;
1083
1084 lbs_deb_enter(LBS_DEB_WEXT);
1085
1086 if ( (*uwrq != IW_MODE_ADHOC)
1087 && (*uwrq != IW_MODE_INFRA)
1088 && (*uwrq != IW_MODE_AUTO)) {
1089 lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1090 ret = -EINVAL;
1091 goto out;
1092 }
1093
1094 mutex_lock(&priv->lock);
1095 assoc_req = lbs_get_association_request(priv);
1096 if (!assoc_req) {
1097 ret = -ENOMEM;
1098 lbs_cancel_association_work(priv);
1099 } else {
1100 assoc_req->mode = *uwrq;
1101 set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1102 lbs_postpone_association_work(priv);
1103 lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1104 }
1105 mutex_unlock(&priv->lock);
1106
1107 out:
1108 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1109 return ret;
1110 }
1111
1112
1113 /**
1114 * @brief Get Encryption key
1115 *
1116 * @param dev A pointer to net_device structure
1117 * @param info A pointer to iw_request_info structure
1118 * @param vwrq A pointer to iw_param structure
1119 * @param extra A pointer to extra data buf
1120 * @return 0 --success, otherwise fail
1121 */
1122 static int lbs_get_encode(struct net_device *dev,
1123 struct iw_request_info *info,
1124 struct iw_point *dwrq, u8 * extra)
1125 {
1126 struct lbs_private *priv = dev->priv;
1127 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1128
1129 lbs_deb_enter(LBS_DEB_WEXT);
1130
1131 lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1132 dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
1133
1134 dwrq->flags = 0;
1135
1136 /* Authentication method */
1137 switch (priv->secinfo.auth_mode) {
1138 case IW_AUTH_ALG_OPEN_SYSTEM:
1139 dwrq->flags = IW_ENCODE_OPEN;
1140 break;
1141
1142 case IW_AUTH_ALG_SHARED_KEY:
1143 case IW_AUTH_ALG_LEAP:
1144 dwrq->flags = IW_ENCODE_RESTRICTED;
1145 break;
1146 default:
1147 dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
1148 break;
1149 }
1150
1151 memset(extra, 0, 16);
1152
1153 mutex_lock(&priv->lock);
1154
1155 /* Default to returning current transmit key */
1156 if (index < 0)
1157 index = priv->wep_tx_keyidx;
1158
1159 if ((priv->wep_keys[index].len) && priv->secinfo.wep_enabled) {
1160 memcpy(extra, priv->wep_keys[index].key,
1161 priv->wep_keys[index].len);
1162 dwrq->length = priv->wep_keys[index].len;
1163
1164 dwrq->flags |= (index + 1);
1165 /* Return WEP enabled */
1166 dwrq->flags &= ~IW_ENCODE_DISABLED;
1167 } else if ((priv->secinfo.WPAenabled)
1168 || (priv->secinfo.WPA2enabled)) {
1169 /* return WPA enabled */
1170 dwrq->flags &= ~IW_ENCODE_DISABLED;
1171 dwrq->flags |= IW_ENCODE_NOKEY;
1172 } else {
1173 dwrq->flags |= IW_ENCODE_DISABLED;
1174 }
1175
1176 mutex_unlock(&priv->lock);
1177
1178 lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1179 extra[0], extra[1], extra[2],
1180 extra[3], extra[4], extra[5], dwrq->length);
1181
1182 lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1183
1184 lbs_deb_leave(LBS_DEB_WEXT);
1185 return 0;
1186 }
1187
1188 /**
1189 * @brief Set Encryption key (internal)
1190 *
1191 * @param priv A pointer to private card structure
1192 * @param key_material A pointer to key material
1193 * @param key_length length of key material
1194 * @param index key index to set
1195 * @param set_tx_key Force set TX key (1 = yes, 0 = no)
1196 * @return 0 --success, otherwise fail
1197 */
1198 static int lbs_set_wep_key(struct assoc_request *assoc_req,
1199 const char *key_material,
1200 u16 key_length,
1201 u16 index,
1202 int set_tx_key)
1203 {
1204 int ret = 0;
1205 struct enc_key *pkey;
1206
1207 lbs_deb_enter(LBS_DEB_WEXT);
1208
1209 /* Paranoid validation of key index */
1210 if (index > 3) {
1211 ret = -EINVAL;
1212 goto out;
1213 }
1214
1215 /* validate max key length */
1216 if (key_length > KEY_LEN_WEP_104) {
1217 ret = -EINVAL;
1218 goto out;
1219 }
1220
1221 pkey = &assoc_req->wep_keys[index];
1222
1223 if (key_length > 0) {
1224 memset(pkey, 0, sizeof(struct enc_key));
1225 pkey->type = KEY_TYPE_ID_WEP;
1226
1227 /* Standardize the key length */
1228 pkey->len = (key_length > KEY_LEN_WEP_40) ?
1229 KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
1230 memcpy(pkey->key, key_material, key_length);
1231 }
1232
1233 if (set_tx_key) {
1234 /* Ensure the chosen key is valid */
1235 if (!pkey->len) {
1236 lbs_deb_wext("key not set, so cannot enable it\n");
1237 ret = -EINVAL;
1238 goto out;
1239 }
1240 assoc_req->wep_tx_keyidx = index;
1241 }
1242
1243 assoc_req->secinfo.wep_enabled = 1;
1244
1245 out:
1246 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1247 return ret;
1248 }
1249
1250 static int validate_key_index(u16 def_index, u16 raw_index,
1251 u16 *out_index, u16 *is_default)
1252 {
1253 if (!out_index || !is_default)
1254 return -EINVAL;
1255
1256 /* Verify index if present, otherwise use default TX key index */
1257 if (raw_index > 0) {
1258 if (raw_index > 4)
1259 return -EINVAL;
1260 *out_index = raw_index - 1;
1261 } else {
1262 *out_index = def_index;
1263 *is_default = 1;
1264 }
1265 return 0;
1266 }
1267
1268 static void disable_wep(struct assoc_request *assoc_req)
1269 {
1270 int i;
1271
1272 lbs_deb_enter(LBS_DEB_WEXT);
1273
1274 /* Set Open System auth mode */
1275 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1276
1277 /* Clear WEP keys and mark WEP as disabled */
1278 assoc_req->secinfo.wep_enabled = 0;
1279 for (i = 0; i < 4; i++)
1280 assoc_req->wep_keys[i].len = 0;
1281
1282 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1283 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1284
1285 lbs_deb_leave(LBS_DEB_WEXT);
1286 }
1287
1288 static void disable_wpa(struct assoc_request *assoc_req)
1289 {
1290 lbs_deb_enter(LBS_DEB_WEXT);
1291
1292 memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1293 assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
1294 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1295
1296 memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1297 assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
1298 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1299
1300 assoc_req->secinfo.WPAenabled = 0;
1301 assoc_req->secinfo.WPA2enabled = 0;
1302 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1303
1304 lbs_deb_leave(LBS_DEB_WEXT);
1305 }
1306
1307 /**
1308 * @brief Set Encryption key
1309 *
1310 * @param dev A pointer to net_device structure
1311 * @param info A pointer to iw_request_info structure
1312 * @param vwrq A pointer to iw_param structure
1313 * @param extra A pointer to extra data buf
1314 * @return 0 --success, otherwise fail
1315 */
1316 static int lbs_set_encode(struct net_device *dev,
1317 struct iw_request_info *info,
1318 struct iw_point *dwrq, char *extra)
1319 {
1320 int ret = 0;
1321 struct lbs_private *priv = dev->priv;
1322 struct assoc_request * assoc_req;
1323 u16 is_default = 0, index = 0, set_tx_key = 0;
1324
1325 lbs_deb_enter(LBS_DEB_WEXT);
1326
1327 mutex_lock(&priv->lock);
1328 assoc_req = lbs_get_association_request(priv);
1329 if (!assoc_req) {
1330 ret = -ENOMEM;
1331 goto out;
1332 }
1333
1334 if (dwrq->flags & IW_ENCODE_DISABLED) {
1335 disable_wep (assoc_req);
1336 disable_wpa (assoc_req);
1337 goto out;
1338 }
1339
1340 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1341 (dwrq->flags & IW_ENCODE_INDEX),
1342 &index, &is_default);
1343 if (ret) {
1344 ret = -EINVAL;
1345 goto out;
1346 }
1347
1348 /* If WEP isn't enabled, or if there is no key data but a valid
1349 * index, set the TX key.
1350 */
1351 if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1352 set_tx_key = 1;
1353
1354 ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1355 if (ret)
1356 goto out;
1357
1358 if (dwrq->length)
1359 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1360 if (set_tx_key)
1361 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1362
1363 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1364 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1365 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1366 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1367 }
1368
1369 out:
1370 if (ret == 0) {
1371 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1372 lbs_postpone_association_work(priv);
1373 } else {
1374 lbs_cancel_association_work(priv);
1375 }
1376 mutex_unlock(&priv->lock);
1377
1378 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1379 return ret;
1380 }
1381
1382 /**
1383 * @brief Get Extended Encryption key (WPA/802.1x and WEP)
1384 *
1385 * @param dev A pointer to net_device structure
1386 * @param info A pointer to iw_request_info structure
1387 * @param vwrq A pointer to iw_param structure
1388 * @param extra A pointer to extra data buf
1389 * @return 0 on success, otherwise failure
1390 */
1391 static int lbs_get_encodeext(struct net_device *dev,
1392 struct iw_request_info *info,
1393 struct iw_point *dwrq,
1394 char *extra)
1395 {
1396 int ret = -EINVAL;
1397 struct lbs_private *priv = dev->priv;
1398 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1399 int index, max_key_len;
1400
1401 lbs_deb_enter(LBS_DEB_WEXT);
1402
1403 max_key_len = dwrq->length - sizeof(*ext);
1404 if (max_key_len < 0)
1405 goto out;
1406
1407 index = dwrq->flags & IW_ENCODE_INDEX;
1408 if (index) {
1409 if (index < 1 || index > 4)
1410 goto out;
1411 index--;
1412 } else {
1413 index = priv->wep_tx_keyidx;
1414 }
1415
1416 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1417 ext->alg != IW_ENCODE_ALG_WEP) {
1418 if (index != 0 || priv->mode != IW_MODE_INFRA)
1419 goto out;
1420 }
1421
1422 dwrq->flags = index + 1;
1423 memset(ext, 0, sizeof(*ext));
1424
1425 if ( !priv->secinfo.wep_enabled
1426 && !priv->secinfo.WPAenabled
1427 && !priv->secinfo.WPA2enabled) {
1428 ext->alg = IW_ENCODE_ALG_NONE;
1429 ext->key_len = 0;
1430 dwrq->flags |= IW_ENCODE_DISABLED;
1431 } else {
1432 u8 *key = NULL;
1433
1434 if ( priv->secinfo.wep_enabled
1435 && !priv->secinfo.WPAenabled
1436 && !priv->secinfo.WPA2enabled) {
1437 /* WEP */
1438 ext->alg = IW_ENCODE_ALG_WEP;
1439 ext->key_len = priv->wep_keys[index].len;
1440 key = &priv->wep_keys[index].key[0];
1441 } else if ( !priv->secinfo.wep_enabled
1442 && (priv->secinfo.WPAenabled ||
1443 priv->secinfo.WPA2enabled)) {
1444 /* WPA */
1445 struct enc_key * pkey = NULL;
1446
1447 if ( priv->wpa_mcast_key.len
1448 && (priv->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
1449 pkey = &priv->wpa_mcast_key;
1450 else if ( priv->wpa_unicast_key.len
1451 && (priv->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
1452 pkey = &priv->wpa_unicast_key;
1453
1454 if (pkey) {
1455 if (pkey->type == KEY_TYPE_ID_AES) {
1456 ext->alg = IW_ENCODE_ALG_CCMP;
1457 } else {
1458 ext->alg = IW_ENCODE_ALG_TKIP;
1459 }
1460 ext->key_len = pkey->len;
1461 key = &pkey->key[0];
1462 } else {
1463 ext->alg = IW_ENCODE_ALG_TKIP;
1464 ext->key_len = 0;
1465 }
1466 } else {
1467 goto out;
1468 }
1469
1470 if (ext->key_len > max_key_len) {
1471 ret = -E2BIG;
1472 goto out;
1473 }
1474
1475 if (ext->key_len)
1476 memcpy(ext->key, key, ext->key_len);
1477 else
1478 dwrq->flags |= IW_ENCODE_NOKEY;
1479 dwrq->flags |= IW_ENCODE_ENABLED;
1480 }
1481 ret = 0;
1482
1483 out:
1484 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1485 return ret;
1486 }
1487
1488 /**
1489 * @brief Set Encryption key Extended (WPA/802.1x and WEP)
1490 *
1491 * @param dev A pointer to net_device structure
1492 * @param info A pointer to iw_request_info structure
1493 * @param vwrq A pointer to iw_param structure
1494 * @param extra A pointer to extra data buf
1495 * @return 0 --success, otherwise fail
1496 */
1497 static int lbs_set_encodeext(struct net_device *dev,
1498 struct iw_request_info *info,
1499 struct iw_point *dwrq,
1500 char *extra)
1501 {
1502 int ret = 0;
1503 struct lbs_private *priv = dev->priv;
1504 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1505 int alg = ext->alg;
1506 struct assoc_request * assoc_req;
1507
1508 lbs_deb_enter(LBS_DEB_WEXT);
1509
1510 mutex_lock(&priv->lock);
1511 assoc_req = lbs_get_association_request(priv);
1512 if (!assoc_req) {
1513 ret = -ENOMEM;
1514 goto out;
1515 }
1516
1517 if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
1518 disable_wep (assoc_req);
1519 disable_wpa (assoc_req);
1520 } else if (alg == IW_ENCODE_ALG_WEP) {
1521 u16 is_default = 0, index, set_tx_key = 0;
1522
1523 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1524 (dwrq->flags & IW_ENCODE_INDEX),
1525 &index, &is_default);
1526 if (ret)
1527 goto out;
1528
1529 /* If WEP isn't enabled, or if there is no key data but a valid
1530 * index, or if the set-TX-key flag was passed, set the TX key.
1531 */
1532 if ( !assoc_req->secinfo.wep_enabled
1533 || (dwrq->length == 0 && !is_default)
1534 || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
1535 set_tx_key = 1;
1536
1537 /* Copy key to driver */
1538 ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1539 set_tx_key);
1540 if (ret)
1541 goto out;
1542
1543 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1544 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1545 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1546 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1547 }
1548
1549 /* Mark the various WEP bits as modified */
1550 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1551 if (dwrq->length)
1552 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1553 if (set_tx_key)
1554 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1555 } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1556 struct enc_key * pkey;
1557
1558 /* validate key length */
1559 if (((alg == IW_ENCODE_ALG_TKIP)
1560 && (ext->key_len != KEY_LEN_WPA_TKIP))
1561 || ((alg == IW_ENCODE_ALG_CCMP)
1562 && (ext->key_len != KEY_LEN_WPA_AES))) {
1563 lbs_deb_wext("invalid size %d for key of alg "
1564 "type %d\n",
1565 ext->key_len,
1566 alg);
1567 ret = -EINVAL;
1568 goto out;
1569 }
1570
1571 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1572 pkey = &assoc_req->wpa_mcast_key;
1573 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1574 } else {
1575 pkey = &assoc_req->wpa_unicast_key;
1576 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1577 }
1578
1579 memset(pkey, 0, sizeof (struct enc_key));
1580 memcpy(pkey->key, ext->key, ext->key_len);
1581 pkey->len = ext->key_len;
1582 if (pkey->len)
1583 pkey->flags |= KEY_INFO_WPA_ENABLED;
1584
1585 /* Do this after zeroing key structure */
1586 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1587 pkey->flags |= KEY_INFO_WPA_MCAST;
1588 } else {
1589 pkey->flags |= KEY_INFO_WPA_UNICAST;
1590 }
1591
1592 if (alg == IW_ENCODE_ALG_TKIP) {
1593 pkey->type = KEY_TYPE_ID_TKIP;
1594 } else if (alg == IW_ENCODE_ALG_CCMP) {
1595 pkey->type = KEY_TYPE_ID_AES;
1596 }
1597
1598 /* If WPA isn't enabled yet, do that now */
1599 if ( assoc_req->secinfo.WPAenabled == 0
1600 && assoc_req->secinfo.WPA2enabled == 0) {
1601 assoc_req->secinfo.WPAenabled = 1;
1602 assoc_req->secinfo.WPA2enabled = 1;
1603 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1604 }
1605
1606 disable_wep (assoc_req);
1607 }
1608
1609 out:
1610 if (ret == 0) {
1611 lbs_postpone_association_work(priv);
1612 } else {
1613 lbs_cancel_association_work(priv);
1614 }
1615 mutex_unlock(&priv->lock);
1616
1617 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1618 return ret;
1619 }
1620
1621
1622 static int lbs_set_genie(struct net_device *dev,
1623 struct iw_request_info *info,
1624 struct iw_point *dwrq,
1625 char *extra)
1626 {
1627 struct lbs_private *priv = dev->priv;
1628 int ret = 0;
1629 struct assoc_request * assoc_req;
1630
1631 lbs_deb_enter(LBS_DEB_WEXT);
1632
1633 mutex_lock(&priv->lock);
1634 assoc_req = lbs_get_association_request(priv);
1635 if (!assoc_req) {
1636 ret = -ENOMEM;
1637 goto out;
1638 }
1639
1640 if (dwrq->length > MAX_WPA_IE_LEN ||
1641 (dwrq->length && extra == NULL)) {
1642 ret = -EINVAL;
1643 goto out;
1644 }
1645
1646 if (dwrq->length) {
1647 memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
1648 assoc_req->wpa_ie_len = dwrq->length;
1649 } else {
1650 memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
1651 assoc_req->wpa_ie_len = 0;
1652 }
1653
1654 out:
1655 if (ret == 0) {
1656 set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1657 lbs_postpone_association_work(priv);
1658 } else {
1659 lbs_cancel_association_work(priv);
1660 }
1661 mutex_unlock(&priv->lock);
1662
1663 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1664 return ret;
1665 }
1666
1667 static int lbs_get_genie(struct net_device *dev,
1668 struct iw_request_info *info,
1669 struct iw_point *dwrq,
1670 char *extra)
1671 {
1672 int ret = 0;
1673 struct lbs_private *priv = dev->priv;
1674
1675 lbs_deb_enter(LBS_DEB_WEXT);
1676
1677 if (priv->wpa_ie_len == 0) {
1678 dwrq->length = 0;
1679 goto out;
1680 }
1681
1682 if (dwrq->length < priv->wpa_ie_len) {
1683 ret = -E2BIG;
1684 goto out;
1685 }
1686
1687 dwrq->length = priv->wpa_ie_len;
1688 memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
1689
1690 out:
1691 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1692 return ret;
1693 }
1694
1695
1696 static int lbs_set_auth(struct net_device *dev,
1697 struct iw_request_info *info,
1698 struct iw_param *dwrq,
1699 char *extra)
1700 {
1701 struct lbs_private *priv = dev->priv;
1702 struct assoc_request * assoc_req;
1703 int ret = 0;
1704 int updated = 0;
1705
1706 lbs_deb_enter(LBS_DEB_WEXT);
1707
1708 mutex_lock(&priv->lock);
1709 assoc_req = lbs_get_association_request(priv);
1710 if (!assoc_req) {
1711 ret = -ENOMEM;
1712 goto out;
1713 }
1714
1715 switch (dwrq->flags & IW_AUTH_INDEX) {
1716 case IW_AUTH_TKIP_COUNTERMEASURES:
1717 case IW_AUTH_CIPHER_PAIRWISE:
1718 case IW_AUTH_CIPHER_GROUP:
1719 case IW_AUTH_KEY_MGMT:
1720 case IW_AUTH_DROP_UNENCRYPTED:
1721 /*
1722 * libertas does not use these parameters
1723 */
1724 break;
1725
1726 case IW_AUTH_WPA_VERSION:
1727 if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
1728 assoc_req->secinfo.WPAenabled = 0;
1729 assoc_req->secinfo.WPA2enabled = 0;
1730 disable_wpa (assoc_req);
1731 }
1732 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
1733 assoc_req->secinfo.WPAenabled = 1;
1734 assoc_req->secinfo.wep_enabled = 0;
1735 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1736 }
1737 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
1738 assoc_req->secinfo.WPA2enabled = 1;
1739 assoc_req->secinfo.wep_enabled = 0;
1740 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1741 }
1742 updated = 1;
1743 break;
1744
1745 case IW_AUTH_80211_AUTH_ALG:
1746 if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1747 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1748 } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1749 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1750 } else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1751 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1752 } else {
1753 ret = -EINVAL;
1754 }
1755 updated = 1;
1756 break;
1757
1758 case IW_AUTH_WPA_ENABLED:
1759 if (dwrq->value) {
1760 if (!assoc_req->secinfo.WPAenabled &&
1761 !assoc_req->secinfo.WPA2enabled) {
1762 assoc_req->secinfo.WPAenabled = 1;
1763 assoc_req->secinfo.WPA2enabled = 1;
1764 assoc_req->secinfo.wep_enabled = 0;
1765 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1766 }
1767 } else {
1768 assoc_req->secinfo.WPAenabled = 0;
1769 assoc_req->secinfo.WPA2enabled = 0;
1770 disable_wpa (assoc_req);
1771 }
1772 updated = 1;
1773 break;
1774
1775 default:
1776 ret = -EOPNOTSUPP;
1777 break;
1778 }
1779
1780 out:
1781 if (ret == 0) {
1782 if (updated)
1783 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1784 lbs_postpone_association_work(priv);
1785 } else if (ret != -EOPNOTSUPP) {
1786 lbs_cancel_association_work(priv);
1787 }
1788 mutex_unlock(&priv->lock);
1789
1790 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1791 return ret;
1792 }
1793
1794 static int lbs_get_auth(struct net_device *dev,
1795 struct iw_request_info *info,
1796 struct iw_param *dwrq,
1797 char *extra)
1798 {
1799 int ret = 0;
1800 struct lbs_private *priv = dev->priv;
1801
1802 lbs_deb_enter(LBS_DEB_WEXT);
1803
1804 switch (dwrq->flags & IW_AUTH_INDEX) {
1805 case IW_AUTH_WPA_VERSION:
1806 dwrq->value = 0;
1807 if (priv->secinfo.WPAenabled)
1808 dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1809 if (priv->secinfo.WPA2enabled)
1810 dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
1811 if (!dwrq->value)
1812 dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
1813 break;
1814
1815 case IW_AUTH_80211_AUTH_ALG:
1816 dwrq->value = priv->secinfo.auth_mode;
1817 break;
1818
1819 case IW_AUTH_WPA_ENABLED:
1820 if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
1821 dwrq->value = 1;
1822 break;
1823
1824 default:
1825 ret = -EOPNOTSUPP;
1826 }
1827
1828 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1829 return ret;
1830 }
1831
1832
1833 static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1834 struct iw_param *vwrq, char *extra)
1835 {
1836 int ret = 0;
1837 struct lbs_private *priv = dev->priv;
1838
1839 u16 dbm;
1840
1841 lbs_deb_enter(LBS_DEB_WEXT);
1842
1843 if (vwrq->disabled) {
1844 lbs_radio_ioctl(priv, RADIO_OFF);
1845 return 0;
1846 }
1847
1848 priv->preamble = CMD_TYPE_AUTO_PREAMBLE;
1849
1850 lbs_radio_ioctl(priv, RADIO_ON);
1851
1852 /* Userspace check in iwrange if it should use dBm or mW,
1853 * therefore this should never happen... Jean II */
1854 if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) {
1855 return -EOPNOTSUPP;
1856 } else
1857 dbm = (u16) vwrq->value;
1858
1859 /* auto tx power control */
1860
1861 if (vwrq->fixed == 0)
1862 dbm = 0xffff;
1863
1864 lbs_deb_wext("txpower set %d dbm\n", dbm);
1865
1866 ret = lbs_prepare_and_send_command(priv,
1867 CMD_802_11_RF_TX_POWER,
1868 CMD_ACT_TX_POWER_OPT_SET_LOW,
1869 CMD_OPTION_WAITFORRSP, 0, (void *)&dbm);
1870
1871 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1872 return ret;
1873 }
1874
1875 static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
1876 struct iw_point *dwrq, char *extra)
1877 {
1878 struct lbs_private *priv = dev->priv;
1879
1880 lbs_deb_enter(LBS_DEB_WEXT);
1881
1882 /*
1883 * Note : if dwrq->flags != 0, we should get the relevant SSID from
1884 * the SSID list...
1885 */
1886
1887 /*
1888 * Get the current SSID
1889 */
1890 if (priv->connect_status == LBS_CONNECTED) {
1891 memcpy(extra, priv->curbssparams.ssid,
1892 priv->curbssparams.ssid_len);
1893 extra[priv->curbssparams.ssid_len] = '\0';
1894 } else {
1895 memset(extra, 0, 32);
1896 extra[priv->curbssparams.ssid_len] = '\0';
1897 }
1898 /*
1899 * If none, we may want to get the one that was set
1900 */
1901
1902 dwrq->length = priv->curbssparams.ssid_len;
1903
1904 dwrq->flags = 1; /* active */
1905
1906 lbs_deb_leave(LBS_DEB_WEXT);
1907 return 0;
1908 }
1909
1910 static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
1911 struct iw_point *dwrq, char *extra)
1912 {
1913 struct lbs_private *priv = dev->priv;
1914 int ret = 0;
1915 u8 ssid[IW_ESSID_MAX_SIZE];
1916 u8 ssid_len = 0;
1917 struct assoc_request * assoc_req;
1918 int in_ssid_len = dwrq->length;
1919
1920 lbs_deb_enter(LBS_DEB_WEXT);
1921
1922 /* Check the size of the string */
1923 if (in_ssid_len > IW_ESSID_MAX_SIZE) {
1924 ret = -E2BIG;
1925 goto out;
1926 }
1927
1928 memset(&ssid, 0, sizeof(ssid));
1929
1930 if (!dwrq->flags || !in_ssid_len) {
1931 /* "any" SSID requested; leave SSID blank */
1932 } else {
1933 /* Specific SSID requested */
1934 memcpy(&ssid, extra, in_ssid_len);
1935 ssid_len = in_ssid_len;
1936 }
1937
1938 if (!ssid_len) {
1939 lbs_deb_wext("requested any SSID\n");
1940 } else {
1941 lbs_deb_wext("requested SSID '%s'\n",
1942 escape_essid(ssid, ssid_len));
1943 }
1944
1945 out:
1946 mutex_lock(&priv->lock);
1947 if (ret == 0) {
1948 /* Get or create the current association request */
1949 assoc_req = lbs_get_association_request(priv);
1950 if (!assoc_req) {
1951 ret = -ENOMEM;
1952 } else {
1953 /* Copy the SSID to the association request */
1954 memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
1955 assoc_req->ssid_len = ssid_len;
1956 set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
1957 lbs_postpone_association_work(priv);
1958 }
1959 }
1960
1961 /* Cancel the association request if there was an error */
1962 if (ret != 0) {
1963 lbs_cancel_association_work(priv);
1964 }
1965
1966 mutex_unlock(&priv->lock);
1967
1968 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1969 return ret;
1970 }
1971
1972 static int lbs_mesh_get_essid(struct net_device *dev,
1973 struct iw_request_info *info,
1974 struct iw_point *dwrq, char *extra)
1975 {
1976 struct lbs_private *priv = dev->priv;
1977
1978 lbs_deb_enter(LBS_DEB_WEXT);
1979
1980 memcpy(extra, priv->mesh_ssid, priv->mesh_ssid_len);
1981
1982 dwrq->length = priv->mesh_ssid_len;
1983
1984 dwrq->flags = 1; /* active */
1985
1986 lbs_deb_leave(LBS_DEB_WEXT);
1987 return 0;
1988 }
1989
1990 static int lbs_mesh_set_essid(struct net_device *dev,
1991 struct iw_request_info *info,
1992 struct iw_point *dwrq, char *extra)
1993 {
1994 struct lbs_private *priv = dev->priv;
1995 int ret = 0;
1996
1997 lbs_deb_enter(LBS_DEB_WEXT);
1998
1999 /* Check the size of the string */
2000 if (dwrq->length > IW_ESSID_MAX_SIZE) {
2001 ret = -E2BIG;
2002 goto out;
2003 }
2004
2005 if (!dwrq->flags || !dwrq->length) {
2006 ret = -EINVAL;
2007 goto out;
2008 } else {
2009 /* Specific SSID requested */
2010 memcpy(priv->mesh_ssid, extra, dwrq->length);
2011 priv->mesh_ssid_len = dwrq->length;
2012 }
2013
2014 lbs_mesh_config(priv, 1, priv->curbssparams.channel);
2015 out:
2016 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2017 return ret;
2018 }
2019
2020 /**
2021 * @brief Connect to the AP or Ad-hoc Network with specific bssid
2022 *
2023 * @param dev A pointer to net_device structure
2024 * @param info A pointer to iw_request_info structure
2025 * @param awrq A pointer to iw_param structure
2026 * @param extra A pointer to extra data buf
2027 * @return 0 --success, otherwise fail
2028 */
2029 static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
2030 struct sockaddr *awrq, char *extra)
2031 {
2032 struct lbs_private *priv = dev->priv;
2033 struct assoc_request * assoc_req;
2034 int ret = 0;
2035 DECLARE_MAC_BUF(mac);
2036
2037 lbs_deb_enter(LBS_DEB_WEXT);
2038
2039 if (awrq->sa_family != ARPHRD_ETHER)
2040 return -EINVAL;
2041
2042 lbs_deb_wext("ASSOC: WAP: sa_data %s\n", print_mac(mac, awrq->sa_data));
2043
2044 mutex_lock(&priv->lock);
2045
2046 /* Get or create the current association request */
2047 assoc_req = lbs_get_association_request(priv);
2048 if (!assoc_req) {
2049 lbs_cancel_association_work(priv);
2050 ret = -ENOMEM;
2051 } else {
2052 /* Copy the BSSID to the association request */
2053 memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
2054 set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
2055 lbs_postpone_association_work(priv);
2056 }
2057
2058 mutex_unlock(&priv->lock);
2059
2060 return ret;
2061 }
2062
2063 /*
2064 * iwconfig settable callbacks
2065 */
2066 static const iw_handler lbs_handler[] = {
2067 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2068 (iw_handler) lbs_get_name, /* SIOCGIWNAME */
2069 (iw_handler) NULL, /* SIOCSIWNWID */
2070 (iw_handler) NULL, /* SIOCGIWNWID */
2071 (iw_handler) lbs_set_freq, /* SIOCSIWFREQ */
2072 (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
2073 (iw_handler) lbs_set_mode, /* SIOCSIWMODE */
2074 (iw_handler) lbs_get_mode, /* SIOCGIWMODE */
2075 (iw_handler) NULL, /* SIOCSIWSENS */
2076 (iw_handler) NULL, /* SIOCGIWSENS */
2077 (iw_handler) NULL, /* SIOCSIWRANGE */
2078 (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
2079 (iw_handler) NULL, /* SIOCSIWPRIV */
2080 (iw_handler) NULL, /* SIOCGIWPRIV */
2081 (iw_handler) NULL, /* SIOCSIWSTATS */
2082 (iw_handler) NULL, /* SIOCGIWSTATS */
2083 iw_handler_set_spy, /* SIOCSIWSPY */
2084 iw_handler_get_spy, /* SIOCGIWSPY */
2085 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2086 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2087 (iw_handler) lbs_set_wap, /* SIOCSIWAP */
2088 (iw_handler) lbs_get_wap, /* SIOCGIWAP */
2089 (iw_handler) NULL, /* SIOCSIWMLME */
2090 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2091 (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
2092 (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
2093 (iw_handler) lbs_set_essid, /* SIOCSIWESSID */
2094 (iw_handler) lbs_get_essid, /* SIOCGIWESSID */
2095 (iw_handler) lbs_set_nick, /* SIOCSIWNICKN */
2096 (iw_handler) lbs_get_nick, /* SIOCGIWNICKN */
2097 (iw_handler) NULL, /* -- hole -- */
2098 (iw_handler) NULL, /* -- hole -- */
2099 (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
2100 (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
2101 (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
2102 (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
2103 (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
2104 (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
2105 (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
2106 (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
2107 (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
2108 (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
2109 (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
2110 (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
2111 (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
2112 (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
2113 (iw_handler) NULL, /* -- hole -- */
2114 (iw_handler) NULL, /* -- hole -- */
2115 (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
2116 (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
2117 (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
2118 (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
2119 (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2120 (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2121 (iw_handler) NULL, /* SIOCSIWPMKSA */
2122 };
2123
2124 static const iw_handler mesh_wlan_handler[] = {
2125 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2126 (iw_handler) lbs_get_name, /* SIOCGIWNAME */
2127 (iw_handler) NULL, /* SIOCSIWNWID */
2128 (iw_handler) NULL, /* SIOCGIWNWID */
2129 (iw_handler) lbs_mesh_set_freq, /* SIOCSIWFREQ */
2130 (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
2131 (iw_handler) NULL, /* SIOCSIWMODE */
2132 (iw_handler) mesh_wlan_get_mode, /* SIOCGIWMODE */
2133 (iw_handler) NULL, /* SIOCSIWSENS */
2134 (iw_handler) NULL, /* SIOCGIWSENS */
2135 (iw_handler) NULL, /* SIOCSIWRANGE */
2136 (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
2137 (iw_handler) NULL, /* SIOCSIWPRIV */
2138 (iw_handler) NULL, /* SIOCGIWPRIV */
2139 (iw_handler) NULL, /* SIOCSIWSTATS */
2140 (iw_handler) NULL, /* SIOCGIWSTATS */
2141 iw_handler_set_spy, /* SIOCSIWSPY */
2142 iw_handler_get_spy, /* SIOCGIWSPY */
2143 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2144 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2145 (iw_handler) NULL, /* SIOCSIWAP */
2146 (iw_handler) NULL, /* SIOCGIWAP */
2147 (iw_handler) NULL, /* SIOCSIWMLME */
2148 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2149 (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
2150 (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
2151 (iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
2152 (iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
2153 (iw_handler) NULL, /* SIOCSIWNICKN */
2154 (iw_handler) mesh_get_nick, /* SIOCGIWNICKN */
2155 (iw_handler) NULL, /* -- hole -- */
2156 (iw_handler) NULL, /* -- hole -- */
2157 (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
2158 (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
2159 (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
2160 (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
2161 (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
2162 (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
2163 (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
2164 (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
2165 (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
2166 (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
2167 (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
2168 (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
2169 (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
2170 (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
2171 (iw_handler) NULL, /* -- hole -- */
2172 (iw_handler) NULL, /* -- hole -- */
2173 (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
2174 (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
2175 (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
2176 (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
2177 (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2178 (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2179 (iw_handler) NULL, /* SIOCSIWPMKSA */
2180 };
2181 struct iw_handler_def lbs_handler_def = {
2182 .num_standard = ARRAY_SIZE(lbs_handler),
2183 .standard = (iw_handler *) lbs_handler,
2184 .get_wireless_stats = lbs_get_wireless_stats,
2185 };
2186
2187 struct iw_handler_def mesh_handler_def = {
2188 .num_standard = ARRAY_SIZE(mesh_wlan_handler),
2189 .standard = (iw_handler *) mesh_wlan_handler,
2190 .get_wireless_stats = lbs_get_wireless_stats,
2191 };
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