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libertas: implement SSID scanning for SIOCSIWSCAN
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / net / wireless / libertas / wext.c
blobcded4bb6916425f2f42377604d52c3547b603ea6
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 "join.h"
20 #include "wext.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, band) * 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 range->min_pmp = 1000000;
660 range->max_pmp = 120000000;
661 range->min_pmt = 1000;
662 range->max_pmt = 1000000;
663 range->pmp_flags = IW_POWER_PERIOD;
664 range->pmt_flags = IW_POWER_TIMEOUT;
665 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
666
667 /*
668 * Minimum version we recommend
669 */
670 range->we_version_source = 15;
671
672 /*
673 * Version we are compiled with
674 */
675 range->we_version_compiled = WIRELESS_EXT;
676
677 range->retry_capa = IW_RETRY_LIMIT;
678 range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
679
680 range->min_retry = TX_RETRY_MIN;
681 range->max_retry = TX_RETRY_MAX;
682
683 /*
684 * Set the qual, level and noise range values
685 */
686 range->max_qual.qual = 100;
687 range->max_qual.level = 0;
688 range->max_qual.noise = 0;
689 range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
690
691 range->avg_qual.qual = 70;
692 /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
693 range->avg_qual.level = 0;
694 range->avg_qual.noise = 0;
695 range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
696
697 range->sensitivity = 0;
698
699 /*
700 * Setup the supported power level ranges
701 */
702 memset(range->txpower, 0, sizeof(range->txpower));
703 range->txpower[0] = 5;
704 range->txpower[1] = 7;
705 range->txpower[2] = 9;
706 range->txpower[3] = 11;
707 range->txpower[4] = 13;
708 range->txpower[5] = 15;
709 range->txpower[6] = 17;
710 range->txpower[7] = 19;
711
712 range->num_txpower = 8;
713 range->txpower_capa = IW_TXPOW_DBM;
714 range->txpower_capa |= IW_TXPOW_RANGE;
715
716 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
717 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
718 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
719 range->event_capa[1] = IW_EVENT_CAPA_K_1;
720
721 if (priv->fwcapinfo & FW_CAPINFO_WPA) {
722 range->enc_capa = IW_ENC_CAPA_WPA
723 | IW_ENC_CAPA_WPA2
724 | IW_ENC_CAPA_CIPHER_TKIP
725 | IW_ENC_CAPA_CIPHER_CCMP;
726 }
727
728 out:
729 lbs_deb_leave(LBS_DEB_WEXT);
730 return 0;
731 }
732
733 static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
734 struct iw_param *vwrq, char *extra)
735 {
736 struct lbs_private *priv = dev->priv;
737
738 lbs_deb_enter(LBS_DEB_WEXT);
739
740 if (!priv->ps_supported) {
741 if (vwrq->disabled)
742 return 0;
743 else
744 return -EINVAL;
745 }
746
747 /* PS is currently supported only in Infrastructure mode
748 * Remove this check if it is to be supported in IBSS mode also
749 */
750
751 if (vwrq->disabled) {
752 priv->psmode = LBS802_11POWERMODECAM;
753 if (priv->psstate != PS_STATE_FULL_POWER) {
754 lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
755 }
756
757 return 0;
758 }
759
760 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
761 lbs_deb_wext(
762 "setting power timeout is not supported\n");
763 return -EINVAL;
764 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
765 lbs_deb_wext("setting power period not supported\n");
766 return -EINVAL;
767 }
768
769 if (priv->psmode != LBS802_11POWERMODECAM) {
770 return 0;
771 }
772
773 priv->psmode = LBS802_11POWERMODEMAX_PSP;
774
775 if (priv->connect_status == LBS_CONNECTED) {
776 lbs_ps_sleep(priv, CMD_OPTION_WAITFORRSP);
777 }
778
779 lbs_deb_leave(LBS_DEB_WEXT);
780 return 0;
781 }
782
783 static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
784 struct iw_param *vwrq, char *extra)
785 {
786 struct lbs_private *priv = dev->priv;
787 int mode;
788
789 lbs_deb_enter(LBS_DEB_WEXT);
790
791 mode = priv->psmode;
792
793 if ((vwrq->disabled = (mode == LBS802_11POWERMODECAM))
794 || priv->connect_status == LBS_DISCONNECTED)
795 {
796 goto out;
797 }
798
799 vwrq->value = 0;
800
801 out:
802 lbs_deb_leave(LBS_DEB_WEXT);
803 return 0;
804 }
805
806 static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
807 {
808 enum {
809 POOR = 30,
810 FAIR = 60,
811 GOOD = 80,
812 VERY_GOOD = 90,
813 EXCELLENT = 95,
814 PERFECT = 100
815 };
816 struct lbs_private *priv = dev->priv;
817 u32 rssi_qual;
818 u32 tx_qual;
819 u32 quality = 0;
820 int stats_valid = 0;
821 u8 rssi;
822 u32 tx_retries;
823
824 lbs_deb_enter(LBS_DEB_WEXT);
825
826 priv->wstats.status = priv->mode;
827
828 /* If we're not associated, all quality values are meaningless */
829 if ((priv->connect_status != LBS_CONNECTED) &&
830 (priv->mesh_connect_status != LBS_CONNECTED))
831 goto out;
832
833 /* Quality by RSSI */
834 priv->wstats.qual.level =
835 CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
836 priv->NF[TYPE_BEACON][TYPE_NOAVG]);
837
838 if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
839 priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
840 } else {
841 priv->wstats.qual.noise =
842 CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
843 }
844
845 lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
846 lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
847
848 rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
849 if (rssi < 15)
850 rssi_qual = rssi * POOR / 10;
851 else if (rssi < 20)
852 rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
853 else if (rssi < 30)
854 rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
855 else if (rssi < 40)
856 rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
857 10 + GOOD;
858 else
859 rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
860 10 + VERY_GOOD;
861 quality = rssi_qual;
862
863 /* Quality by TX errors */
864 priv->wstats.discard.retries = priv->stats.tx_errors;
865
866 tx_retries = le32_to_cpu(priv->logmsg.retry);
867
868 if (tx_retries > 75)
869 tx_qual = (90 - tx_retries) * POOR / 15;
870 else if (tx_retries > 70)
871 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
872 else if (tx_retries > 65)
873 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
874 else if (tx_retries > 50)
875 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
876 15 + GOOD;
877 else
878 tx_qual = (50 - tx_retries) *
879 (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
880 quality = min(quality, tx_qual);
881
882 priv->wstats.discard.code = le32_to_cpu(priv->logmsg.wepundecryptable);
883 priv->wstats.discard.fragment = le32_to_cpu(priv->logmsg.rxfrag);
884 priv->wstats.discard.retries = tx_retries;
885 priv->wstats.discard.misc = le32_to_cpu(priv->logmsg.ackfailure);
886
887 /* Calculate quality */
888 priv->wstats.qual.qual = min_t(u8, quality, 100);
889 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
890 stats_valid = 1;
891
892 /* update stats asynchronously for future calls */
893 lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
894 0, 0, NULL);
895 lbs_prepare_and_send_command(priv, CMD_802_11_GET_LOG, 0,
896 0, 0, NULL);
897 out:
898 if (!stats_valid) {
899 priv->wstats.miss.beacon = 0;
900 priv->wstats.discard.retries = 0;
901 priv->wstats.qual.qual = 0;
902 priv->wstats.qual.level = 0;
903 priv->wstats.qual.noise = 0;
904 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
905 priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
906 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
907 }
908
909 lbs_deb_leave(LBS_DEB_WEXT);
910 return &priv->wstats;
911
912
913 }
914
915 static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
916 struct iw_freq *fwrq, char *extra)
917 {
918 int ret = -EINVAL;
919 struct lbs_private *priv = dev->priv;
920 struct chan_freq_power *cfp;
921 struct assoc_request * assoc_req;
922
923 lbs_deb_enter(LBS_DEB_WEXT);
924
925 mutex_lock(&priv->lock);
926 assoc_req = lbs_get_association_request(priv);
927 if (!assoc_req) {
928 ret = -ENOMEM;
929 goto out;
930 }
931
932 /* If setting by frequency, convert to a channel */
933 if (fwrq->e == 1) {
934 long f = fwrq->m / 100000;
935
936 cfp = find_cfp_by_band_and_freq(priv, 0, f);
937 if (!cfp) {
938 lbs_deb_wext("invalid freq %ld\n", f);
939 goto out;
940 }
941
942 fwrq->e = 0;
943 fwrq->m = (int) cfp->channel;
944 }
945
946 /* Setting by channel number */
947 if (fwrq->m > 1000 || fwrq->e > 0) {
948 goto out;
949 }
950
951 cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
952 if (!cfp) {
953 goto out;
954 }
955
956 assoc_req->channel = fwrq->m;
957 ret = 0;
958
959 out:
960 if (ret == 0) {
961 set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
962 lbs_postpone_association_work(priv);
963 } else {
964 lbs_cancel_association_work(priv);
965 }
966 mutex_unlock(&priv->lock);
967
968 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
969 return ret;
970 }
971
972 static int lbs_mesh_set_freq(struct net_device *dev,
973 struct iw_request_info *info,
974 struct iw_freq *fwrq, char *extra)
975 {
976 struct lbs_private *priv = dev->priv;
977 struct chan_freq_power *cfp;
978 int ret = -EINVAL;
979
980 lbs_deb_enter(LBS_DEB_WEXT);
981
982 /* If setting by frequency, convert to a channel */
983 if (fwrq->e == 1) {
984 long f = fwrq->m / 100000;
985
986 cfp = find_cfp_by_band_and_freq(priv, 0, f);
987 if (!cfp) {
988 lbs_deb_wext("invalid freq %ld\n", f);
989 goto out;
990 }
991
992 fwrq->e = 0;
993 fwrq->m = (int) cfp->channel;
994 }
995
996 /* Setting by channel number */
997 if (fwrq->m > 1000 || fwrq->e > 0) {
998 goto out;
999 }
1000
1001 cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
1002 if (!cfp) {
1003 goto out;
1004 }
1005
1006 if (fwrq->m != priv->curbssparams.channel) {
1007 lbs_deb_wext("mesh channel change forces eth disconnect\n");
1008 if (priv->mode == IW_MODE_INFRA)
1009 lbs_send_deauthentication(priv);
1010 else if (priv->mode == IW_MODE_ADHOC)
1011 lbs_stop_adhoc_network(priv);
1012 }
1013 lbs_mesh_config(priv, 1, fwrq->m);
1014 lbs_update_channel(priv);
1015 ret = 0;
1016
1017 out:
1018 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1019 return ret;
1020 }
1021
1022 static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
1023 struct iw_param *vwrq, char *extra)
1024 {
1025 struct lbs_private *priv = dev->priv;
1026 u8 new_rate = 0;
1027 int ret = -EINVAL;
1028 u8 rates[MAX_RATES + 1];
1029
1030 lbs_deb_enter(LBS_DEB_WEXT);
1031 lbs_deb_wext("vwrq->value %d\n", vwrq->value);
1032
1033 /* Auto rate? */
1034 if (vwrq->value == -1) {
1035 priv->auto_rate = 1;
1036 priv->cur_rate = 0;
1037 } else {
1038 if (vwrq->value % 100000)
1039 goto out;
1040
1041 memset(rates, 0, sizeof(rates));
1042 copy_active_data_rates(priv, rates);
1043 new_rate = vwrq->value / 500000;
1044 if (!memchr(rates, new_rate, sizeof(rates))) {
1045 lbs_pr_alert("fixed data rate 0x%X out of range\n",
1046 new_rate);
1047 goto out;
1048 }
1049
1050 priv->cur_rate = new_rate;
1051 priv->auto_rate = 0;
1052 }
1053
1054 ret = lbs_set_data_rate(priv, new_rate);
1055
1056 out:
1057 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1058 return ret;
1059 }
1060
1061 static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1062 struct iw_param *vwrq, char *extra)
1063 {
1064 struct lbs_private *priv = dev->priv;
1065
1066 lbs_deb_enter(LBS_DEB_WEXT);
1067
1068 if (priv->connect_status == LBS_CONNECTED) {
1069 vwrq->value = priv->cur_rate * 500000;
1070
1071 if (priv->auto_rate)
1072 vwrq->fixed = 0;
1073 else
1074 vwrq->fixed = 1;
1075
1076 } else {
1077 vwrq->fixed = 0;
1078 vwrq->value = 0;
1079 }
1080
1081 lbs_deb_leave(LBS_DEB_WEXT);
1082 return 0;
1083 }
1084
1085 static int lbs_set_mode(struct net_device *dev,
1086 struct iw_request_info *info, u32 * uwrq, char *extra)
1087 {
1088 int ret = 0;
1089 struct lbs_private *priv = dev->priv;
1090 struct assoc_request * assoc_req;
1091
1092 lbs_deb_enter(LBS_DEB_WEXT);
1093
1094 if ( (*uwrq != IW_MODE_ADHOC)
1095 && (*uwrq != IW_MODE_INFRA)
1096 && (*uwrq != IW_MODE_AUTO)) {
1097 lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1098 ret = -EINVAL;
1099 goto out;
1100 }
1101
1102 mutex_lock(&priv->lock);
1103 assoc_req = lbs_get_association_request(priv);
1104 if (!assoc_req) {
1105 ret = -ENOMEM;
1106 lbs_cancel_association_work(priv);
1107 } else {
1108 assoc_req->mode = *uwrq;
1109 set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1110 lbs_postpone_association_work(priv);
1111 lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1112 }
1113 mutex_unlock(&priv->lock);
1114
1115 out:
1116 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1117 return ret;
1118 }
1119
1120
1121 /**
1122 * @brief Get Encryption key
1123 *
1124 * @param dev A pointer to net_device structure
1125 * @param info A pointer to iw_request_info structure
1126 * @param vwrq A pointer to iw_param structure
1127 * @param extra A pointer to extra data buf
1128 * @return 0 --success, otherwise fail
1129 */
1130 static int lbs_get_encode(struct net_device *dev,
1131 struct iw_request_info *info,
1132 struct iw_point *dwrq, u8 * extra)
1133 {
1134 struct lbs_private *priv = dev->priv;
1135 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1136
1137 lbs_deb_enter(LBS_DEB_WEXT);
1138
1139 lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1140 dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
1141
1142 dwrq->flags = 0;
1143
1144 /* Authentication method */
1145 switch (priv->secinfo.auth_mode) {
1146 case IW_AUTH_ALG_OPEN_SYSTEM:
1147 dwrq->flags = IW_ENCODE_OPEN;
1148 break;
1149
1150 case IW_AUTH_ALG_SHARED_KEY:
1151 case IW_AUTH_ALG_LEAP:
1152 dwrq->flags = IW_ENCODE_RESTRICTED;
1153 break;
1154 default:
1155 dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
1156 break;
1157 }
1158
1159 memset(extra, 0, 16);
1160
1161 mutex_lock(&priv->lock);
1162
1163 /* Default to returning current transmit key */
1164 if (index < 0)
1165 index = priv->wep_tx_keyidx;
1166
1167 if ((priv->wep_keys[index].len) && priv->secinfo.wep_enabled) {
1168 memcpy(extra, priv->wep_keys[index].key,
1169 priv->wep_keys[index].len);
1170 dwrq->length = priv->wep_keys[index].len;
1171
1172 dwrq->flags |= (index + 1);
1173 /* Return WEP enabled */
1174 dwrq->flags &= ~IW_ENCODE_DISABLED;
1175 } else if ((priv->secinfo.WPAenabled)
1176 || (priv->secinfo.WPA2enabled)) {
1177 /* return WPA enabled */
1178 dwrq->flags &= ~IW_ENCODE_DISABLED;
1179 dwrq->flags |= IW_ENCODE_NOKEY;
1180 } else {
1181 dwrq->flags |= IW_ENCODE_DISABLED;
1182 }
1183
1184 mutex_unlock(&priv->lock);
1185
1186 lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1187 extra[0], extra[1], extra[2],
1188 extra[3], extra[4], extra[5], dwrq->length);
1189
1190 lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1191
1192 lbs_deb_leave(LBS_DEB_WEXT);
1193 return 0;
1194 }
1195
1196 /**
1197 * @brief Set Encryption key (internal)
1198 *
1199 * @param priv A pointer to private card structure
1200 * @param key_material A pointer to key material
1201 * @param key_length length of key material
1202 * @param index key index to set
1203 * @param set_tx_key Force set TX key (1 = yes, 0 = no)
1204 * @return 0 --success, otherwise fail
1205 */
1206 static int lbs_set_wep_key(struct assoc_request *assoc_req,
1207 const char *key_material,
1208 u16 key_length,
1209 u16 index,
1210 int set_tx_key)
1211 {
1212 int ret = 0;
1213 struct enc_key *pkey;
1214
1215 lbs_deb_enter(LBS_DEB_WEXT);
1216
1217 /* Paranoid validation of key index */
1218 if (index > 3) {
1219 ret = -EINVAL;
1220 goto out;
1221 }
1222
1223 /* validate max key length */
1224 if (key_length > KEY_LEN_WEP_104) {
1225 ret = -EINVAL;
1226 goto out;
1227 }
1228
1229 pkey = &assoc_req->wep_keys[index];
1230
1231 if (key_length > 0) {
1232 memset(pkey, 0, sizeof(struct enc_key));
1233 pkey->type = KEY_TYPE_ID_WEP;
1234
1235 /* Standardize the key length */
1236 pkey->len = (key_length > KEY_LEN_WEP_40) ?
1237 KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
1238 memcpy(pkey->key, key_material, key_length);
1239 }
1240
1241 if (set_tx_key) {
1242 /* Ensure the chosen key is valid */
1243 if (!pkey->len) {
1244 lbs_deb_wext("key not set, so cannot enable it\n");
1245 ret = -EINVAL;
1246 goto out;
1247 }
1248 assoc_req->wep_tx_keyidx = index;
1249 }
1250
1251 assoc_req->secinfo.wep_enabled = 1;
1252
1253 out:
1254 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1255 return ret;
1256 }
1257
1258 static int validate_key_index(u16 def_index, u16 raw_index,
1259 u16 *out_index, u16 *is_default)
1260 {
1261 if (!out_index || !is_default)
1262 return -EINVAL;
1263
1264 /* Verify index if present, otherwise use default TX key index */
1265 if (raw_index > 0) {
1266 if (raw_index > 4)
1267 return -EINVAL;
1268 *out_index = raw_index - 1;
1269 } else {
1270 *out_index = def_index;
1271 *is_default = 1;
1272 }
1273 return 0;
1274 }
1275
1276 static void disable_wep(struct assoc_request *assoc_req)
1277 {
1278 int i;
1279
1280 lbs_deb_enter(LBS_DEB_WEXT);
1281
1282 /* Set Open System auth mode */
1283 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1284
1285 /* Clear WEP keys and mark WEP as disabled */
1286 assoc_req->secinfo.wep_enabled = 0;
1287 for (i = 0; i < 4; i++)
1288 assoc_req->wep_keys[i].len = 0;
1289
1290 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1291 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1292
1293 lbs_deb_leave(LBS_DEB_WEXT);
1294 }
1295
1296 static void disable_wpa(struct assoc_request *assoc_req)
1297 {
1298 lbs_deb_enter(LBS_DEB_WEXT);
1299
1300 memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1301 assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
1302 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1303
1304 memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1305 assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
1306 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1307
1308 assoc_req->secinfo.WPAenabled = 0;
1309 assoc_req->secinfo.WPA2enabled = 0;
1310 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1311
1312 lbs_deb_leave(LBS_DEB_WEXT);
1313 }
1314
1315 /**
1316 * @brief Set Encryption key
1317 *
1318 * @param dev A pointer to net_device structure
1319 * @param info A pointer to iw_request_info structure
1320 * @param vwrq A pointer to iw_param structure
1321 * @param extra A pointer to extra data buf
1322 * @return 0 --success, otherwise fail
1323 */
1324 static int lbs_set_encode(struct net_device *dev,
1325 struct iw_request_info *info,
1326 struct iw_point *dwrq, char *extra)
1327 {
1328 int ret = 0;
1329 struct lbs_private *priv = dev->priv;
1330 struct assoc_request * assoc_req;
1331 u16 is_default = 0, index = 0, set_tx_key = 0;
1332
1333 lbs_deb_enter(LBS_DEB_WEXT);
1334
1335 mutex_lock(&priv->lock);
1336 assoc_req = lbs_get_association_request(priv);
1337 if (!assoc_req) {
1338 ret = -ENOMEM;
1339 goto out;
1340 }
1341
1342 if (dwrq->flags & IW_ENCODE_DISABLED) {
1343 disable_wep (assoc_req);
1344 disable_wpa (assoc_req);
1345 goto out;
1346 }
1347
1348 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1349 (dwrq->flags & IW_ENCODE_INDEX),
1350 &index, &is_default);
1351 if (ret) {
1352 ret = -EINVAL;
1353 goto out;
1354 }
1355
1356 /* If WEP isn't enabled, or if there is no key data but a valid
1357 * index, set the TX key.
1358 */
1359 if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1360 set_tx_key = 1;
1361
1362 ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1363 if (ret)
1364 goto out;
1365
1366 if (dwrq->length)
1367 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1368 if (set_tx_key)
1369 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1370
1371 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1372 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1373 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1374 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1375 }
1376
1377 out:
1378 if (ret == 0) {
1379 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1380 lbs_postpone_association_work(priv);
1381 } else {
1382 lbs_cancel_association_work(priv);
1383 }
1384 mutex_unlock(&priv->lock);
1385
1386 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1387 return ret;
1388 }
1389
1390 /**
1391 * @brief Get Extended Encryption key (WPA/802.1x and WEP)
1392 *
1393 * @param dev A pointer to net_device structure
1394 * @param info A pointer to iw_request_info structure
1395 * @param vwrq A pointer to iw_param structure
1396 * @param extra A pointer to extra data buf
1397 * @return 0 on success, otherwise failure
1398 */
1399 static int lbs_get_encodeext(struct net_device *dev,
1400 struct iw_request_info *info,
1401 struct iw_point *dwrq,
1402 char *extra)
1403 {
1404 int ret = -EINVAL;
1405 struct lbs_private *priv = dev->priv;
1406 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1407 int index, max_key_len;
1408
1409 lbs_deb_enter(LBS_DEB_WEXT);
1410
1411 max_key_len = dwrq->length - sizeof(*ext);
1412 if (max_key_len < 0)
1413 goto out;
1414
1415 index = dwrq->flags & IW_ENCODE_INDEX;
1416 if (index) {
1417 if (index < 1 || index > 4)
1418 goto out;
1419 index--;
1420 } else {
1421 index = priv->wep_tx_keyidx;
1422 }
1423
1424 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1425 ext->alg != IW_ENCODE_ALG_WEP) {
1426 if (index != 0 || priv->mode != IW_MODE_INFRA)
1427 goto out;
1428 }
1429
1430 dwrq->flags = index + 1;
1431 memset(ext, 0, sizeof(*ext));
1432
1433 if ( !priv->secinfo.wep_enabled
1434 && !priv->secinfo.WPAenabled
1435 && !priv->secinfo.WPA2enabled) {
1436 ext->alg = IW_ENCODE_ALG_NONE;
1437 ext->key_len = 0;
1438 dwrq->flags |= IW_ENCODE_DISABLED;
1439 } else {
1440 u8 *key = NULL;
1441
1442 if ( priv->secinfo.wep_enabled
1443 && !priv->secinfo.WPAenabled
1444 && !priv->secinfo.WPA2enabled) {
1445 /* WEP */
1446 ext->alg = IW_ENCODE_ALG_WEP;
1447 ext->key_len = priv->wep_keys[index].len;
1448 key = &priv->wep_keys[index].key[0];
1449 } else if ( !priv->secinfo.wep_enabled
1450 && (priv->secinfo.WPAenabled ||
1451 priv->secinfo.WPA2enabled)) {
1452 /* WPA */
1453 struct enc_key * pkey = NULL;
1454
1455 if ( priv->wpa_mcast_key.len
1456 && (priv->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
1457 pkey = &priv->wpa_mcast_key;
1458 else if ( priv->wpa_unicast_key.len
1459 && (priv->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
1460 pkey = &priv->wpa_unicast_key;
1461
1462 if (pkey) {
1463 if (pkey->type == KEY_TYPE_ID_AES) {
1464 ext->alg = IW_ENCODE_ALG_CCMP;
1465 } else {
1466 ext->alg = IW_ENCODE_ALG_TKIP;
1467 }
1468 ext->key_len = pkey->len;
1469 key = &pkey->key[0];
1470 } else {
1471 ext->alg = IW_ENCODE_ALG_TKIP;
1472 ext->key_len = 0;
1473 }
1474 } else {
1475 goto out;
1476 }
1477
1478 if (ext->key_len > max_key_len) {
1479 ret = -E2BIG;
1480 goto out;
1481 }
1482
1483 if (ext->key_len)
1484 memcpy(ext->key, key, ext->key_len);
1485 else
1486 dwrq->flags |= IW_ENCODE_NOKEY;
1487 dwrq->flags |= IW_ENCODE_ENABLED;
1488 }
1489 ret = 0;
1490
1491 out:
1492 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1493 return ret;
1494 }
1495
1496 /**
1497 * @brief Set Encryption key Extended (WPA/802.1x and WEP)
1498 *
1499 * @param dev A pointer to net_device structure
1500 * @param info A pointer to iw_request_info structure
1501 * @param vwrq A pointer to iw_param structure
1502 * @param extra A pointer to extra data buf
1503 * @return 0 --success, otherwise fail
1504 */
1505 static int lbs_set_encodeext(struct net_device *dev,
1506 struct iw_request_info *info,
1507 struct iw_point *dwrq,
1508 char *extra)
1509 {
1510 int ret = 0;
1511 struct lbs_private *priv = dev->priv;
1512 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1513 int alg = ext->alg;
1514 struct assoc_request * assoc_req;
1515
1516 lbs_deb_enter(LBS_DEB_WEXT);
1517
1518 mutex_lock(&priv->lock);
1519 assoc_req = lbs_get_association_request(priv);
1520 if (!assoc_req) {
1521 ret = -ENOMEM;
1522 goto out;
1523 }
1524
1525 if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
1526 disable_wep (assoc_req);
1527 disable_wpa (assoc_req);
1528 } else if (alg == IW_ENCODE_ALG_WEP) {
1529 u16 is_default = 0, index, set_tx_key = 0;
1530
1531 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1532 (dwrq->flags & IW_ENCODE_INDEX),
1533 &index, &is_default);
1534 if (ret)
1535 goto out;
1536
1537 /* If WEP isn't enabled, or if there is no key data but a valid
1538 * index, or if the set-TX-key flag was passed, set the TX key.
1539 */
1540 if ( !assoc_req->secinfo.wep_enabled
1541 || (dwrq->length == 0 && !is_default)
1542 || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
1543 set_tx_key = 1;
1544
1545 /* Copy key to driver */
1546 ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1547 set_tx_key);
1548 if (ret)
1549 goto out;
1550
1551 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1552 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1553 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1554 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1555 }
1556
1557 /* Mark the various WEP bits as modified */
1558 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1559 if (dwrq->length)
1560 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1561 if (set_tx_key)
1562 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1563 } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1564 struct enc_key * pkey;
1565
1566 /* validate key length */
1567 if (((alg == IW_ENCODE_ALG_TKIP)
1568 && (ext->key_len != KEY_LEN_WPA_TKIP))
1569 || ((alg == IW_ENCODE_ALG_CCMP)
1570 && (ext->key_len != KEY_LEN_WPA_AES))) {
1571 lbs_deb_wext("invalid size %d for key of alg "
1572 "type %d\n",
1573 ext->key_len,
1574 alg);
1575 ret = -EINVAL;
1576 goto out;
1577 }
1578
1579 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1580 pkey = &assoc_req->wpa_mcast_key;
1581 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1582 } else {
1583 pkey = &assoc_req->wpa_unicast_key;
1584 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1585 }
1586
1587 memset(pkey, 0, sizeof (struct enc_key));
1588 memcpy(pkey->key, ext->key, ext->key_len);
1589 pkey->len = ext->key_len;
1590 if (pkey->len)
1591 pkey->flags |= KEY_INFO_WPA_ENABLED;
1592
1593 /* Do this after zeroing key structure */
1594 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1595 pkey->flags |= KEY_INFO_WPA_MCAST;
1596 } else {
1597 pkey->flags |= KEY_INFO_WPA_UNICAST;
1598 }
1599
1600 if (alg == IW_ENCODE_ALG_TKIP) {
1601 pkey->type = KEY_TYPE_ID_TKIP;
1602 } else if (alg == IW_ENCODE_ALG_CCMP) {
1603 pkey->type = KEY_TYPE_ID_AES;
1604 }
1605
1606 /* If WPA isn't enabled yet, do that now */
1607 if ( assoc_req->secinfo.WPAenabled == 0
1608 && assoc_req->secinfo.WPA2enabled == 0) {
1609 assoc_req->secinfo.WPAenabled = 1;
1610 assoc_req->secinfo.WPA2enabled = 1;
1611 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1612 }
1613
1614 disable_wep (assoc_req);
1615 }
1616
1617 out:
1618 if (ret == 0) {
1619 lbs_postpone_association_work(priv);
1620 } else {
1621 lbs_cancel_association_work(priv);
1622 }
1623 mutex_unlock(&priv->lock);
1624
1625 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1626 return ret;
1627 }
1628
1629
1630 static int lbs_set_genie(struct net_device *dev,
1631 struct iw_request_info *info,
1632 struct iw_point *dwrq,
1633 char *extra)
1634 {
1635 struct lbs_private *priv = dev->priv;
1636 int ret = 0;
1637 struct assoc_request * assoc_req;
1638
1639 lbs_deb_enter(LBS_DEB_WEXT);
1640
1641 mutex_lock(&priv->lock);
1642 assoc_req = lbs_get_association_request(priv);
1643 if (!assoc_req) {
1644 ret = -ENOMEM;
1645 goto out;
1646 }
1647
1648 if (dwrq->length > MAX_WPA_IE_LEN ||
1649 (dwrq->length && extra == NULL)) {
1650 ret = -EINVAL;
1651 goto out;
1652 }
1653
1654 if (dwrq->length) {
1655 memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
1656 assoc_req->wpa_ie_len = dwrq->length;
1657 } else {
1658 memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
1659 assoc_req->wpa_ie_len = 0;
1660 }
1661
1662 out:
1663 if (ret == 0) {
1664 set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1665 lbs_postpone_association_work(priv);
1666 } else {
1667 lbs_cancel_association_work(priv);
1668 }
1669 mutex_unlock(&priv->lock);
1670
1671 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1672 return ret;
1673 }
1674
1675 static int lbs_get_genie(struct net_device *dev,
1676 struct iw_request_info *info,
1677 struct iw_point *dwrq,
1678 char *extra)
1679 {
1680 int ret = 0;
1681 struct lbs_private *priv = dev->priv;
1682
1683 lbs_deb_enter(LBS_DEB_WEXT);
1684
1685 if (priv->wpa_ie_len == 0) {
1686 dwrq->length = 0;
1687 goto out;
1688 }
1689
1690 if (dwrq->length < priv->wpa_ie_len) {
1691 ret = -E2BIG;
1692 goto out;
1693 }
1694
1695 dwrq->length = priv->wpa_ie_len;
1696 memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
1697
1698 out:
1699 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1700 return ret;
1701 }
1702
1703
1704 static int lbs_set_auth(struct net_device *dev,
1705 struct iw_request_info *info,
1706 struct iw_param *dwrq,
1707 char *extra)
1708 {
1709 struct lbs_private *priv = dev->priv;
1710 struct assoc_request * assoc_req;
1711 int ret = 0;
1712 int updated = 0;
1713
1714 lbs_deb_enter(LBS_DEB_WEXT);
1715
1716 mutex_lock(&priv->lock);
1717 assoc_req = lbs_get_association_request(priv);
1718 if (!assoc_req) {
1719 ret = -ENOMEM;
1720 goto out;
1721 }
1722
1723 switch (dwrq->flags & IW_AUTH_INDEX) {
1724 case IW_AUTH_TKIP_COUNTERMEASURES:
1725 case IW_AUTH_CIPHER_PAIRWISE:
1726 case IW_AUTH_CIPHER_GROUP:
1727 case IW_AUTH_KEY_MGMT:
1728 case IW_AUTH_DROP_UNENCRYPTED:
1729 /*
1730 * libertas does not use these parameters
1731 */
1732 break;
1733
1734 case IW_AUTH_WPA_VERSION:
1735 if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
1736 assoc_req->secinfo.WPAenabled = 0;
1737 assoc_req->secinfo.WPA2enabled = 0;
1738 disable_wpa (assoc_req);
1739 }
1740 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
1741 assoc_req->secinfo.WPAenabled = 1;
1742 assoc_req->secinfo.wep_enabled = 0;
1743 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1744 }
1745 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
1746 assoc_req->secinfo.WPA2enabled = 1;
1747 assoc_req->secinfo.wep_enabled = 0;
1748 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1749 }
1750 updated = 1;
1751 break;
1752
1753 case IW_AUTH_80211_AUTH_ALG:
1754 if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1755 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1756 } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1757 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1758 } else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1759 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1760 } else {
1761 ret = -EINVAL;
1762 }
1763 updated = 1;
1764 break;
1765
1766 case IW_AUTH_WPA_ENABLED:
1767 if (dwrq->value) {
1768 if (!assoc_req->secinfo.WPAenabled &&
1769 !assoc_req->secinfo.WPA2enabled) {
1770 assoc_req->secinfo.WPAenabled = 1;
1771 assoc_req->secinfo.WPA2enabled = 1;
1772 assoc_req->secinfo.wep_enabled = 0;
1773 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1774 }
1775 } else {
1776 assoc_req->secinfo.WPAenabled = 0;
1777 assoc_req->secinfo.WPA2enabled = 0;
1778 disable_wpa (assoc_req);
1779 }
1780 updated = 1;
1781 break;
1782
1783 default:
1784 ret = -EOPNOTSUPP;
1785 break;
1786 }
1787
1788 out:
1789 if (ret == 0) {
1790 if (updated)
1791 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1792 lbs_postpone_association_work(priv);
1793 } else if (ret != -EOPNOTSUPP) {
1794 lbs_cancel_association_work(priv);
1795 }
1796 mutex_unlock(&priv->lock);
1797
1798 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1799 return ret;
1800 }
1801
1802 static int lbs_get_auth(struct net_device *dev,
1803 struct iw_request_info *info,
1804 struct iw_param *dwrq,
1805 char *extra)
1806 {
1807 int ret = 0;
1808 struct lbs_private *priv = dev->priv;
1809
1810 lbs_deb_enter(LBS_DEB_WEXT);
1811
1812 switch (dwrq->flags & IW_AUTH_INDEX) {
1813 case IW_AUTH_WPA_VERSION:
1814 dwrq->value = 0;
1815 if (priv->secinfo.WPAenabled)
1816 dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1817 if (priv->secinfo.WPA2enabled)
1818 dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
1819 if (!dwrq->value)
1820 dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
1821 break;
1822
1823 case IW_AUTH_80211_AUTH_ALG:
1824 dwrq->value = priv->secinfo.auth_mode;
1825 break;
1826
1827 case IW_AUTH_WPA_ENABLED:
1828 if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
1829 dwrq->value = 1;
1830 break;
1831
1832 default:
1833 ret = -EOPNOTSUPP;
1834 }
1835
1836 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1837 return ret;
1838 }
1839
1840
1841 static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1842 struct iw_param *vwrq, char *extra)
1843 {
1844 int ret = 0;
1845 struct lbs_private *priv = dev->priv;
1846
1847 u16 dbm;
1848
1849 lbs_deb_enter(LBS_DEB_WEXT);
1850
1851 if (vwrq->disabled) {
1852 lbs_radio_ioctl(priv, RADIO_OFF);
1853 return 0;
1854 }
1855
1856 priv->preamble = CMD_TYPE_AUTO_PREAMBLE;
1857
1858 lbs_radio_ioctl(priv, RADIO_ON);
1859
1860 /* Userspace check in iwrange if it should use dBm or mW,
1861 * therefore this should never happen... Jean II */
1862 if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) {
1863 return -EOPNOTSUPP;
1864 } else
1865 dbm = (u16) vwrq->value;
1866
1867 /* auto tx power control */
1868
1869 if (vwrq->fixed == 0)
1870 dbm = 0xffff;
1871
1872 lbs_deb_wext("txpower set %d dbm\n", dbm);
1873
1874 ret = lbs_prepare_and_send_command(priv,
1875 CMD_802_11_RF_TX_POWER,
1876 CMD_ACT_TX_POWER_OPT_SET_LOW,
1877 CMD_OPTION_WAITFORRSP, 0, (void *)&dbm);
1878
1879 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1880 return ret;
1881 }
1882
1883 static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
1884 struct iw_point *dwrq, char *extra)
1885 {
1886 struct lbs_private *priv = dev->priv;
1887
1888 lbs_deb_enter(LBS_DEB_WEXT);
1889
1890 /*
1891 * Note : if dwrq->flags != 0, we should get the relevant SSID from
1892 * the SSID list...
1893 */
1894
1895 /*
1896 * Get the current SSID
1897 */
1898 if (priv->connect_status == LBS_CONNECTED) {
1899 memcpy(extra, priv->curbssparams.ssid,
1900 priv->curbssparams.ssid_len);
1901 extra[priv->curbssparams.ssid_len] = '\0';
1902 } else {
1903 memset(extra, 0, 32);
1904 extra[priv->curbssparams.ssid_len] = '\0';
1905 }
1906 /*
1907 * If none, we may want to get the one that was set
1908 */
1909
1910 dwrq->length = priv->curbssparams.ssid_len;
1911
1912 dwrq->flags = 1; /* active */
1913
1914 lbs_deb_leave(LBS_DEB_WEXT);
1915 return 0;
1916 }
1917
1918 static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
1919 struct iw_point *dwrq, char *extra)
1920 {
1921 struct lbs_private *priv = dev->priv;
1922 int ret = 0;
1923 u8 ssid[IW_ESSID_MAX_SIZE];
1924 u8 ssid_len = 0;
1925 struct assoc_request * assoc_req;
1926 int in_ssid_len = dwrq->length;
1927
1928 lbs_deb_enter(LBS_DEB_WEXT);
1929
1930 /* Check the size of the string */
1931 if (in_ssid_len > IW_ESSID_MAX_SIZE) {
1932 ret = -E2BIG;
1933 goto out;
1934 }
1935
1936 memset(&ssid, 0, sizeof(ssid));
1937
1938 if (!dwrq->flags || !in_ssid_len) {
1939 /* "any" SSID requested; leave SSID blank */
1940 } else {
1941 /* Specific SSID requested */
1942 memcpy(&ssid, extra, in_ssid_len);
1943 ssid_len = in_ssid_len;
1944 }
1945
1946 if (!ssid_len) {
1947 lbs_deb_wext("requested any SSID\n");
1948 } else {
1949 lbs_deb_wext("requested SSID '%s'\n",
1950 escape_essid(ssid, ssid_len));
1951 }
1952
1953 out:
1954 mutex_lock(&priv->lock);
1955 if (ret == 0) {
1956 /* Get or create the current association request */
1957 assoc_req = lbs_get_association_request(priv);
1958 if (!assoc_req) {
1959 ret = -ENOMEM;
1960 } else {
1961 /* Copy the SSID to the association request */
1962 memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
1963 assoc_req->ssid_len = ssid_len;
1964 set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
1965 lbs_postpone_association_work(priv);
1966 }
1967 }
1968
1969 /* Cancel the association request if there was an error */
1970 if (ret != 0) {
1971 lbs_cancel_association_work(priv);
1972 }
1973
1974 mutex_unlock(&priv->lock);
1975
1976 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1977 return ret;
1978 }
1979
1980 static int lbs_mesh_get_essid(struct net_device *dev,
1981 struct iw_request_info *info,
1982 struct iw_point *dwrq, char *extra)
1983 {
1984 struct lbs_private *priv = dev->priv;
1985
1986 lbs_deb_enter(LBS_DEB_WEXT);
1987
1988 memcpy(extra, priv->mesh_ssid, priv->mesh_ssid_len);
1989
1990 dwrq->length = priv->mesh_ssid_len;
1991
1992 dwrq->flags = 1; /* active */
1993
1994 lbs_deb_leave(LBS_DEB_WEXT);
1995 return 0;
1996 }
1997
1998 static int lbs_mesh_set_essid(struct net_device *dev,
1999 struct iw_request_info *info,
2000 struct iw_point *dwrq, char *extra)
2001 {
2002 struct lbs_private *priv = dev->priv;
2003 int ret = 0;
2004
2005 lbs_deb_enter(LBS_DEB_WEXT);
2006
2007 /* Check the size of the string */
2008 if (dwrq->length > IW_ESSID_MAX_SIZE) {
2009 ret = -E2BIG;
2010 goto out;
2011 }
2012
2013 if (!dwrq->flags || !dwrq->length) {
2014 ret = -EINVAL;
2015 goto out;
2016 } else {
2017 /* Specific SSID requested */
2018 memcpy(priv->mesh_ssid, extra, dwrq->length);
2019 priv->mesh_ssid_len = dwrq->length;
2020 }
2021
2022 lbs_mesh_config(priv, 1, priv->curbssparams.channel);
2023 out:
2024 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2025 return ret;
2026 }
2027
2028 /**
2029 * @brief Connect to the AP or Ad-hoc Network with specific bssid
2030 *
2031 * @param dev A pointer to net_device structure
2032 * @param info A pointer to iw_request_info structure
2033 * @param awrq A pointer to iw_param structure
2034 * @param extra A pointer to extra data buf
2035 * @return 0 --success, otherwise fail
2036 */
2037 static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
2038 struct sockaddr *awrq, char *extra)
2039 {
2040 struct lbs_private *priv = dev->priv;
2041 struct assoc_request * assoc_req;
2042 int ret = 0;
2043 DECLARE_MAC_BUF(mac);
2044
2045 lbs_deb_enter(LBS_DEB_WEXT);
2046
2047 if (awrq->sa_family != ARPHRD_ETHER)
2048 return -EINVAL;
2049
2050 lbs_deb_wext("ASSOC: WAP: sa_data %s\n", print_mac(mac, awrq->sa_data));
2051
2052 mutex_lock(&priv->lock);
2053
2054 /* Get or create the current association request */
2055 assoc_req = lbs_get_association_request(priv);
2056 if (!assoc_req) {
2057 lbs_cancel_association_work(priv);
2058 ret = -ENOMEM;
2059 } else {
2060 /* Copy the BSSID to the association request */
2061 memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
2062 set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
2063 lbs_postpone_association_work(priv);
2064 }
2065
2066 mutex_unlock(&priv->lock);
2067
2068 return ret;
2069 }
2070
2071 void lbs_get_fwversion(struct lbs_private *priv, char *fwversion, int maxlen)
2072 {
2073 char fwver[32];
2074
2075 mutex_lock(&priv->lock);
2076
2077 sprintf(fwver, "%u.%u.%u.p%u",
2078 priv->fwrelease >> 24 & 0xff,
2079 priv->fwrelease >> 16 & 0xff,
2080 priv->fwrelease >> 8 & 0xff,
2081 priv->fwrelease & 0xff);
2082
2083 mutex_unlock(&priv->lock);
2084 snprintf(fwversion, maxlen, fwver);
2085 }
2086
2087
2088 /*
2089 * iwconfig settable callbacks
2090 */
2091 static const iw_handler lbs_handler[] = {
2092 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2093 (iw_handler) lbs_get_name, /* SIOCGIWNAME */
2094 (iw_handler) NULL, /* SIOCSIWNWID */
2095 (iw_handler) NULL, /* SIOCGIWNWID */
2096 (iw_handler) lbs_set_freq, /* SIOCSIWFREQ */
2097 (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
2098 (iw_handler) lbs_set_mode, /* SIOCSIWMODE */
2099 (iw_handler) lbs_get_mode, /* SIOCGIWMODE */
2100 (iw_handler) NULL, /* SIOCSIWSENS */
2101 (iw_handler) NULL, /* SIOCGIWSENS */
2102 (iw_handler) NULL, /* SIOCSIWRANGE */
2103 (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
2104 (iw_handler) NULL, /* SIOCSIWPRIV */
2105 (iw_handler) NULL, /* SIOCGIWPRIV */
2106 (iw_handler) NULL, /* SIOCSIWSTATS */
2107 (iw_handler) NULL, /* SIOCGIWSTATS */
2108 iw_handler_set_spy, /* SIOCSIWSPY */
2109 iw_handler_get_spy, /* SIOCGIWSPY */
2110 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2111 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2112 (iw_handler) lbs_set_wap, /* SIOCSIWAP */
2113 (iw_handler) lbs_get_wap, /* SIOCGIWAP */
2114 (iw_handler) NULL, /* SIOCSIWMLME */
2115 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2116 (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
2117 (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
2118 (iw_handler) lbs_set_essid, /* SIOCSIWESSID */
2119 (iw_handler) lbs_get_essid, /* SIOCGIWESSID */
2120 (iw_handler) lbs_set_nick, /* SIOCSIWNICKN */
2121 (iw_handler) lbs_get_nick, /* SIOCGIWNICKN */
2122 (iw_handler) NULL, /* -- hole -- */
2123 (iw_handler) NULL, /* -- hole -- */
2124 (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
2125 (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
2126 (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
2127 (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
2128 (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
2129 (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
2130 (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
2131 (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
2132 (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
2133 (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
2134 (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
2135 (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
2136 (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
2137 (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
2138 (iw_handler) NULL, /* -- hole -- */
2139 (iw_handler) NULL, /* -- hole -- */
2140 (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
2141 (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
2142 (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
2143 (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
2144 (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2145 (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2146 (iw_handler) NULL, /* SIOCSIWPMKSA */
2147 };
2148
2149 static const iw_handler mesh_wlan_handler[] = {
2150 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2151 (iw_handler) lbs_get_name, /* SIOCGIWNAME */
2152 (iw_handler) NULL, /* SIOCSIWNWID */
2153 (iw_handler) NULL, /* SIOCGIWNWID */
2154 (iw_handler) lbs_mesh_set_freq, /* SIOCSIWFREQ */
2155 (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
2156 (iw_handler) NULL, /* SIOCSIWMODE */
2157 (iw_handler) mesh_wlan_get_mode, /* SIOCGIWMODE */
2158 (iw_handler) NULL, /* SIOCSIWSENS */
2159 (iw_handler) NULL, /* SIOCGIWSENS */
2160 (iw_handler) NULL, /* SIOCSIWRANGE */
2161 (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
2162 (iw_handler) NULL, /* SIOCSIWPRIV */
2163 (iw_handler) NULL, /* SIOCGIWPRIV */
2164 (iw_handler) NULL, /* SIOCSIWSTATS */
2165 (iw_handler) NULL, /* SIOCGIWSTATS */
2166 iw_handler_set_spy, /* SIOCSIWSPY */
2167 iw_handler_get_spy, /* SIOCGIWSPY */
2168 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2169 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2170 (iw_handler) NULL, /* SIOCSIWAP */
2171 (iw_handler) NULL, /* SIOCGIWAP */
2172 (iw_handler) NULL, /* SIOCSIWMLME */
2173 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2174 (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
2175 (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
2176 (iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
2177 (iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
2178 (iw_handler) NULL, /* SIOCSIWNICKN */
2179 (iw_handler) mesh_get_nick, /* SIOCGIWNICKN */
2180 (iw_handler) NULL, /* -- hole -- */
2181 (iw_handler) NULL, /* -- hole -- */
2182 (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
2183 (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
2184 (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
2185 (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
2186 (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
2187 (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
2188 (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
2189 (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
2190 (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
2191 (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
2192 (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
2193 (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
2194 (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
2195 (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
2196 (iw_handler) NULL, /* -- hole -- */
2197 (iw_handler) NULL, /* -- hole -- */
2198 (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
2199 (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
2200 (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
2201 (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
2202 (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2203 (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2204 (iw_handler) NULL, /* SIOCSIWPMKSA */
2205 };
2206 struct iw_handler_def lbs_handler_def = {
2207 .num_standard = ARRAY_SIZE(lbs_handler),
2208 .standard = (iw_handler *) lbs_handler,
2209 .get_wireless_stats = lbs_get_wireless_stats,
2210 };
2211
2212 struct iw_handler_def mesh_handler_def = {
2213 .num_standard = ARRAY_SIZE(mesh_wlan_handler),
2214 .standard = (iw_handler *) mesh_wlan_handler,
2215 .get_wireless_stats = lbs_get_wireless_stats,
2216 };
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