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Fix negative calculation of the tmpfs for devices with few RAM (#3557)
[openwrt.git] / package / libertas / src / wext.c
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 if (priv->enable11d &&
583 (priv->connect_status == LBS_CONNECTED ||
584 priv->mesh_connect_status == LBS_CONNECTED)) {
585 u8 chan_no;
586 u8 band;
587
588 struct parsed_region_chan_11d *parsed_region_chan =
589 &priv->parsed_region_chan;
590
591 if (parsed_region_chan == NULL) {
592 lbs_deb_wext("11d: parsed_region_chan is NULL\n");
593 goto out;
594 }
595 band = parsed_region_chan->band;
596 lbs_deb_wext("band %d, nr_char %d\n", band,
597 parsed_region_chan->nr_chan);
598
599 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
600 && (i < parsed_region_chan->nr_chan); i++) {
601 chan_no = parsed_region_chan->chanpwr[i].chan;
602 lbs_deb_wext("chan_no %d\n", chan_no);
603 range->freq[range->num_frequency].i = (long)chan_no;
604 range->freq[range->num_frequency].m =
605 (long)lbs_chan_2_freq(chan_no, band) * 100000;
606 range->freq[range->num_frequency].e = 1;
607 range->num_frequency++;
608 }
609 flag = 1;
610 }
611 if (!flag) {
612 for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
613 && (j < ARRAY_SIZE(priv->region_channel)); j++) {
614 cfp = priv->region_channel[j].CFP;
615 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
616 && priv->region_channel[j].valid
617 && cfp
618 && (i < priv->region_channel[j].nrcfp); i++) {
619 range->freq[range->num_frequency].i =
620 (long)cfp->channel;
621 range->freq[range->num_frequency].m =
622 (long)cfp->freq * 100000;
623 range->freq[range->num_frequency].e = 1;
624 cfp++;
625 range->num_frequency++;
626 }
627 }
628 }
629
630 lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
631 IW_MAX_FREQUENCIES, range->num_frequency);
632
633 range->num_channels = range->num_frequency;
634
635 sort_channels(&range->freq[0], range->num_frequency);
636
637 /*
638 * Set an indication of the max TCP throughput in bit/s that we can
639 * expect using this interface
640 */
641 if (i > 2)
642 range->throughput = 5000 * 1000;
643 else
644 range->throughput = 1500 * 1000;
645
646 range->min_rts = MRVDRV_RTS_MIN_VALUE;
647 range->max_rts = MRVDRV_RTS_MAX_VALUE;
648 range->min_frag = MRVDRV_FRAG_MIN_VALUE;
649 range->max_frag = MRVDRV_FRAG_MAX_VALUE;
650
651 range->encoding_size[0] = 5;
652 range->encoding_size[1] = 13;
653 range->num_encoding_sizes = 2;
654 range->max_encoding_tokens = 4;
655
656 range->min_pmp = 1000000;
657 range->max_pmp = 120000000;
658 range->min_pmt = 1000;
659 range->max_pmt = 1000000;
660 range->pmp_flags = IW_POWER_PERIOD;
661 range->pmt_flags = IW_POWER_TIMEOUT;
662 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
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 int mode;
785
786 lbs_deb_enter(LBS_DEB_WEXT);
787
788 mode = priv->psmode;
789
790 if ((vwrq->disabled = (mode == LBS802_11POWERMODECAM))
791 || priv->connect_status == LBS_DISCONNECTED)
792 {
793 goto out;
794 }
795
796 vwrq->value = 0;
797
798 out:
799 lbs_deb_leave(LBS_DEB_WEXT);
800 return 0;
801 }
802
803 static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
804 {
805 enum {
806 POOR = 30,
807 FAIR = 60,
808 GOOD = 80,
809 VERY_GOOD = 90,
810 EXCELLENT = 95,
811 PERFECT = 100
812 };
813 struct lbs_private *priv = dev->priv;
814 u32 rssi_qual;
815 u32 tx_qual;
816 u32 quality = 0;
817 int stats_valid = 0;
818 u8 rssi;
819 u32 tx_retries;
820
821 lbs_deb_enter(LBS_DEB_WEXT);
822
823 priv->wstats.status = priv->mode;
824
825 /* If we're not associated, all quality values are meaningless */
826 if ((priv->connect_status != LBS_CONNECTED) &&
827 (priv->mesh_connect_status != LBS_CONNECTED))
828 goto out;
829
830 /* Quality by RSSI */
831 priv->wstats.qual.level =
832 CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
833 priv->NF[TYPE_BEACON][TYPE_NOAVG]);
834
835 if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
836 priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
837 } else {
838 priv->wstats.qual.noise =
839 CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
840 }
841
842 lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
843 lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
844
845 rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
846 if (rssi < 15)
847 rssi_qual = rssi * POOR / 10;
848 else if (rssi < 20)
849 rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
850 else if (rssi < 30)
851 rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
852 else if (rssi < 40)
853 rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
854 10 + GOOD;
855 else
856 rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
857 10 + VERY_GOOD;
858 quality = rssi_qual;
859
860 /* Quality by TX errors */
861 priv->wstats.discard.retries = priv->stats.tx_errors;
862
863 tx_retries = le32_to_cpu(priv->logmsg.retry);
864
865 if (tx_retries > 75)
866 tx_qual = (90 - tx_retries) * POOR / 15;
867 else if (tx_retries > 70)
868 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
869 else if (tx_retries > 65)
870 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
871 else if (tx_retries > 50)
872 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
873 15 + GOOD;
874 else
875 tx_qual = (50 - tx_retries) *
876 (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
877 quality = min(quality, tx_qual);
878
879 priv->wstats.discard.code = le32_to_cpu(priv->logmsg.wepundecryptable);
880 priv->wstats.discard.fragment = le32_to_cpu(priv->logmsg.rxfrag);
881 priv->wstats.discard.retries = tx_retries;
882 priv->wstats.discard.misc = le32_to_cpu(priv->logmsg.ackfailure);
883
884 /* Calculate quality */
885 priv->wstats.qual.qual = min_t(u8, quality, 100);
886 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
887 stats_valid = 1;
888
889 /* update stats asynchronously for future calls */
890 lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
891 0, 0, NULL);
892 lbs_prepare_and_send_command(priv, CMD_802_11_GET_LOG, 0,
893 0, 0, NULL);
894 out:
895 if (!stats_valid) {
896 priv->wstats.miss.beacon = 0;
897 priv->wstats.discard.retries = 0;
898 priv->wstats.qual.qual = 0;
899 priv->wstats.qual.level = 0;
900 priv->wstats.qual.noise = 0;
901 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
902 priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
903 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
904 }
905
906 lbs_deb_leave(LBS_DEB_WEXT);
907 return &priv->wstats;
908
909
910 }
911
912 static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
913 struct iw_freq *fwrq, char *extra)
914 {
915 int ret = -EINVAL;
916 struct lbs_private *priv = dev->priv;
917 struct chan_freq_power *cfp;
918 struct assoc_request * assoc_req;
919
920 lbs_deb_enter(LBS_DEB_WEXT);
921
922 mutex_lock(&priv->lock);
923 assoc_req = lbs_get_association_request(priv);
924 if (!assoc_req) {
925 ret = -ENOMEM;
926 goto out;
927 }
928
929 /* If setting by frequency, convert to a channel */
930 if (fwrq->e == 1) {
931 long f = fwrq->m / 100000;
932
933 cfp = find_cfp_by_band_and_freq(priv, 0, f);
934 if (!cfp) {
935 lbs_deb_wext("invalid freq %ld\n", f);
936 goto out;
937 }
938
939 fwrq->e = 0;
940 fwrq->m = (int) cfp->channel;
941 }
942
943 /* Setting by channel number */
944 if (fwrq->m > 1000 || fwrq->e > 0) {
945 goto out;
946 }
947
948 cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
949 if (!cfp) {
950 goto out;
951 }
952
953 assoc_req->channel = fwrq->m;
954 ret = 0;
955
956 out:
957 if (ret == 0) {
958 set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
959 lbs_postpone_association_work(priv);
960 } else {
961 lbs_cancel_association_work(priv);
962 }
963 mutex_unlock(&priv->lock);
964
965 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
966 return ret;
967 }
968
969 static int lbs_mesh_set_freq(struct net_device *dev,
970 struct iw_request_info *info,
971 struct iw_freq *fwrq, char *extra)
972 {
973 struct lbs_private *priv = dev->priv;
974 struct chan_freq_power *cfp;
975 int ret = -EINVAL;
976
977 lbs_deb_enter(LBS_DEB_WEXT);
978
979 /* If setting by frequency, convert to a channel */
980 if (fwrq->e == 1) {
981 long f = fwrq->m / 100000;
982
983 cfp = find_cfp_by_band_and_freq(priv, 0, f);
984 if (!cfp) {
985 lbs_deb_wext("invalid freq %ld\n", f);
986 goto out;
987 }
988
989 fwrq->e = 0;
990 fwrq->m = (int) cfp->channel;
991 }
992
993 /* Setting by channel number */
994 if (fwrq->m > 1000 || fwrq->e > 0) {
995 goto out;
996 }
997
998 cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
999 if (!cfp) {
1000 goto out;
1001 }
1002
1003 if (fwrq->m != priv->curbssparams.channel) {
1004 lbs_deb_wext("mesh channel change forces eth disconnect\n");
1005 if (priv->mode == IW_MODE_INFRA)
1006 lbs_send_deauthentication(priv);
1007 else if (priv->mode == IW_MODE_ADHOC)
1008 lbs_stop_adhoc_network(priv);
1009 }
1010 lbs_mesh_config(priv, 1, fwrq->m);
1011 lbs_update_channel(priv);
1012 ret = 0;
1013
1014 out:
1015 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1016 return ret;
1017 }
1018
1019 static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
1020 struct iw_param *vwrq, char *extra)
1021 {
1022 struct lbs_private *priv = dev->priv;
1023 u8 new_rate = 0;
1024 int ret = -EINVAL;
1025 u8 rates[MAX_RATES + 1];
1026
1027 lbs_deb_enter(LBS_DEB_WEXT);
1028 lbs_deb_wext("vwrq->value %d\n", vwrq->value);
1029
1030 /* Auto rate? */
1031 if (vwrq->value == -1) {
1032 priv->auto_rate = 1;
1033 priv->cur_rate = 0;
1034 } else {
1035 if (vwrq->value % 100000)
1036 goto out;
1037
1038 memset(rates, 0, sizeof(rates));
1039 copy_active_data_rates(priv, rates);
1040 new_rate = vwrq->value / 500000;
1041 if (!memchr(rates, new_rate, sizeof(rates))) {
1042 lbs_pr_alert("fixed data rate 0x%X out of range\n",
1043 new_rate);
1044 goto out;
1045 }
1046
1047 priv->cur_rate = new_rate;
1048 priv->auto_rate = 0;
1049 }
1050
1051 ret = lbs_set_data_rate(priv, new_rate);
1052
1053 out:
1054 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1055 return ret;
1056 }
1057
1058 static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1059 struct iw_param *vwrq, char *extra)
1060 {
1061 struct lbs_private *priv = dev->priv;
1062
1063 lbs_deb_enter(LBS_DEB_WEXT);
1064
1065 if (priv->connect_status == LBS_CONNECTED) {
1066 vwrq->value = priv->cur_rate * 500000;
1067
1068 if (priv->auto_rate)
1069 vwrq->fixed = 0;
1070 else
1071 vwrq->fixed = 1;
1072
1073 } else {
1074 vwrq->fixed = 0;
1075 vwrq->value = 0;
1076 }
1077
1078 lbs_deb_leave(LBS_DEB_WEXT);
1079 return 0;
1080 }
1081
1082 static int lbs_set_mode(struct net_device *dev,
1083 struct iw_request_info *info, u32 * uwrq, char *extra)
1084 {
1085 int ret = 0;
1086 struct lbs_private *priv = dev->priv;
1087 struct assoc_request * assoc_req;
1088
1089 lbs_deb_enter(LBS_DEB_WEXT);
1090
1091 if ( (*uwrq != IW_MODE_ADHOC)
1092 && (*uwrq != IW_MODE_INFRA)
1093 && (*uwrq != IW_MODE_AUTO)) {
1094 lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1095 ret = -EINVAL;
1096 goto out;
1097 }
1098
1099 mutex_lock(&priv->lock);
1100 assoc_req = lbs_get_association_request(priv);
1101 if (!assoc_req) {
1102 ret = -ENOMEM;
1103 lbs_cancel_association_work(priv);
1104 } else {
1105 assoc_req->mode = *uwrq;
1106 set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1107 lbs_postpone_association_work(priv);
1108 lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1109 }
1110 mutex_unlock(&priv->lock);
1111
1112 out:
1113 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1114 return ret;
1115 }
1116
1117
1118 /**
1119 * @brief Get Encryption key
1120 *
1121 * @param dev A pointer to net_device structure
1122 * @param info A pointer to iw_request_info structure
1123 * @param vwrq A pointer to iw_param structure
1124 * @param extra A pointer to extra data buf
1125 * @return 0 --success, otherwise fail
1126 */
1127 static int lbs_get_encode(struct net_device *dev,
1128 struct iw_request_info *info,
1129 struct iw_point *dwrq, u8 * extra)
1130 {
1131 struct lbs_private *priv = dev->priv;
1132 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1133
1134 lbs_deb_enter(LBS_DEB_WEXT);
1135
1136 lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1137 dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
1138
1139 dwrq->flags = 0;
1140
1141 /* Authentication method */
1142 switch (priv->secinfo.auth_mode) {
1143 case IW_AUTH_ALG_OPEN_SYSTEM:
1144 dwrq->flags = IW_ENCODE_OPEN;
1145 break;
1146
1147 case IW_AUTH_ALG_SHARED_KEY:
1148 case IW_AUTH_ALG_LEAP:
1149 dwrq->flags = IW_ENCODE_RESTRICTED;
1150 break;
1151 default:
1152 dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
1153 break;
1154 }
1155
1156 memset(extra, 0, 16);
1157
1158 mutex_lock(&priv->lock);
1159
1160 /* Default to returning current transmit key */
1161 if (index < 0)
1162 index = priv->wep_tx_keyidx;
1163
1164 if ((priv->wep_keys[index].len) && priv->secinfo.wep_enabled) {
1165 memcpy(extra, priv->wep_keys[index].key,
1166 priv->wep_keys[index].len);
1167 dwrq->length = priv->wep_keys[index].len;
1168
1169 dwrq->flags |= (index + 1);
1170 /* Return WEP enabled */
1171 dwrq->flags &= ~IW_ENCODE_DISABLED;
1172 } else if ((priv->secinfo.WPAenabled)
1173 || (priv->secinfo.WPA2enabled)) {
1174 /* return WPA enabled */
1175 dwrq->flags &= ~IW_ENCODE_DISABLED;
1176 dwrq->flags |= IW_ENCODE_NOKEY;
1177 } else {
1178 dwrq->flags |= IW_ENCODE_DISABLED;
1179 }
1180
1181 mutex_unlock(&priv->lock);
1182
1183 lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1184 extra[0], extra[1], extra[2],
1185 extra[3], extra[4], extra[5], dwrq->length);
1186
1187 lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1188
1189 lbs_deb_leave(LBS_DEB_WEXT);
1190 return 0;
1191 }
1192
1193 /**
1194 * @brief Set Encryption key (internal)
1195 *
1196 * @param priv A pointer to private card structure
1197 * @param key_material A pointer to key material
1198 * @param key_length length of key material
1199 * @param index key index to set
1200 * @param set_tx_key Force set TX key (1 = yes, 0 = no)
1201 * @return 0 --success, otherwise fail
1202 */
1203 static int lbs_set_wep_key(struct assoc_request *assoc_req,
1204 const char *key_material,
1205 u16 key_length,
1206 u16 index,
1207 int set_tx_key)
1208 {
1209 int ret = 0;
1210 struct enc_key *pkey;
1211
1212 lbs_deb_enter(LBS_DEB_WEXT);
1213
1214 /* Paranoid validation of key index */
1215 if (index > 3) {
1216 ret = -EINVAL;
1217 goto out;
1218 }
1219
1220 /* validate max key length */
1221 if (key_length > KEY_LEN_WEP_104) {
1222 ret = -EINVAL;
1223 goto out;
1224 }
1225
1226 pkey = &assoc_req->wep_keys[index];
1227
1228 if (key_length > 0) {
1229 memset(pkey, 0, sizeof(struct enc_key));
1230 pkey->type = KEY_TYPE_ID_WEP;
1231
1232 /* Standardize the key length */
1233 pkey->len = (key_length > KEY_LEN_WEP_40) ?
1234 KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
1235 memcpy(pkey->key, key_material, key_length);
1236 }
1237
1238 if (set_tx_key) {
1239 /* Ensure the chosen key is valid */
1240 if (!pkey->len) {
1241 lbs_deb_wext("key not set, so cannot enable it\n");
1242 ret = -EINVAL;
1243 goto out;
1244 }
1245 assoc_req->wep_tx_keyidx = index;
1246 }
1247
1248 assoc_req->secinfo.wep_enabled = 1;
1249
1250 out:
1251 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1252 return ret;
1253 }
1254
1255 static int validate_key_index(u16 def_index, u16 raw_index,
1256 u16 *out_index, u16 *is_default)
1257 {
1258 if (!out_index || !is_default)
1259 return -EINVAL;
1260
1261 /* Verify index if present, otherwise use default TX key index */
1262 if (raw_index > 0) {
1263 if (raw_index > 4)
1264 return -EINVAL;
1265 *out_index = raw_index - 1;
1266 } else {
1267 *out_index = def_index;
1268 *is_default = 1;
1269 }
1270 return 0;
1271 }
1272
1273 static void disable_wep(struct assoc_request *assoc_req)
1274 {
1275 int i;
1276
1277 lbs_deb_enter(LBS_DEB_WEXT);
1278
1279 /* Set Open System auth mode */
1280 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1281
1282 /* Clear WEP keys and mark WEP as disabled */
1283 assoc_req->secinfo.wep_enabled = 0;
1284 for (i = 0; i < 4; i++)
1285 assoc_req->wep_keys[i].len = 0;
1286
1287 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1288 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1289
1290 lbs_deb_leave(LBS_DEB_WEXT);
1291 }
1292
1293 static void disable_wpa(struct assoc_request *assoc_req)
1294 {
1295 lbs_deb_enter(LBS_DEB_WEXT);
1296
1297 memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1298 assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
1299 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1300
1301 memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1302 assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
1303 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1304
1305 assoc_req->secinfo.WPAenabled = 0;
1306 assoc_req->secinfo.WPA2enabled = 0;
1307 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1308
1309 lbs_deb_leave(LBS_DEB_WEXT);
1310 }
1311
1312 /**
1313 * @brief Set Encryption key
1314 *
1315 * @param dev A pointer to net_device structure
1316 * @param info A pointer to iw_request_info structure
1317 * @param vwrq A pointer to iw_param structure
1318 * @param extra A pointer to extra data buf
1319 * @return 0 --success, otherwise fail
1320 */
1321 static int lbs_set_encode(struct net_device *dev,
1322 struct iw_request_info *info,
1323 struct iw_point *dwrq, char *extra)
1324 {
1325 int ret = 0;
1326 struct lbs_private *priv = dev->priv;
1327 struct assoc_request * assoc_req;
1328 u16 is_default = 0, index = 0, set_tx_key = 0;
1329
1330 lbs_deb_enter(LBS_DEB_WEXT);
1331
1332 mutex_lock(&priv->lock);
1333 assoc_req = lbs_get_association_request(priv);
1334 if (!assoc_req) {
1335 ret = -ENOMEM;
1336 goto out;
1337 }
1338
1339 if (dwrq->flags & IW_ENCODE_DISABLED) {
1340 disable_wep (assoc_req);
1341 disable_wpa (assoc_req);
1342 goto out;
1343 }
1344
1345 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1346 (dwrq->flags & IW_ENCODE_INDEX),
1347 &index, &is_default);
1348 if (ret) {
1349 ret = -EINVAL;
1350 goto out;
1351 }
1352
1353 /* If WEP isn't enabled, or if there is no key data but a valid
1354 * index, set the TX key.
1355 */
1356 if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1357 set_tx_key = 1;
1358
1359 ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1360 if (ret)
1361 goto out;
1362
1363 if (dwrq->length)
1364 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1365 if (set_tx_key)
1366 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1367
1368 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1369 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1370 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1371 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1372 }
1373
1374 out:
1375 if (ret == 0) {
1376 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1377 lbs_postpone_association_work(priv);
1378 } else {
1379 lbs_cancel_association_work(priv);
1380 }
1381 mutex_unlock(&priv->lock);
1382
1383 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1384 return ret;
1385 }
1386
1387 /**
1388 * @brief Get Extended Encryption key (WPA/802.1x and WEP)
1389 *
1390 * @param dev A pointer to net_device structure
1391 * @param info A pointer to iw_request_info structure
1392 * @param vwrq A pointer to iw_param structure
1393 * @param extra A pointer to extra data buf
1394 * @return 0 on success, otherwise failure
1395 */
1396 static int lbs_get_encodeext(struct net_device *dev,
1397 struct iw_request_info *info,
1398 struct iw_point *dwrq,
1399 char *extra)
1400 {
1401 int ret = -EINVAL;
1402 struct lbs_private *priv = dev->priv;
1403 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1404 int index, max_key_len;
1405
1406 lbs_deb_enter(LBS_DEB_WEXT);
1407
1408 max_key_len = dwrq->length - sizeof(*ext);
1409 if (max_key_len < 0)
1410 goto out;
1411
1412 index = dwrq->flags & IW_ENCODE_INDEX;
1413 if (index) {
1414 if (index < 1 || index > 4)
1415 goto out;
1416 index--;
1417 } else {
1418 index = priv->wep_tx_keyidx;
1419 }
1420
1421 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1422 ext->alg != IW_ENCODE_ALG_WEP) {
1423 if (index != 0 || priv->mode != IW_MODE_INFRA)
1424 goto out;
1425 }
1426
1427 dwrq->flags = index + 1;
1428 memset(ext, 0, sizeof(*ext));
1429
1430 if ( !priv->secinfo.wep_enabled
1431 && !priv->secinfo.WPAenabled
1432 && !priv->secinfo.WPA2enabled) {
1433 ext->alg = IW_ENCODE_ALG_NONE;
1434 ext->key_len = 0;
1435 dwrq->flags |= IW_ENCODE_DISABLED;
1436 } else {
1437 u8 *key = NULL;
1438
1439 if ( priv->secinfo.wep_enabled
1440 && !priv->secinfo.WPAenabled
1441 && !priv->secinfo.WPA2enabled) {
1442 /* WEP */
1443 ext->alg = IW_ENCODE_ALG_WEP;
1444 ext->key_len = priv->wep_keys[index].len;
1445 key = &priv->wep_keys[index].key[0];
1446 } else if ( !priv->secinfo.wep_enabled
1447 && (priv->secinfo.WPAenabled ||
1448 priv->secinfo.WPA2enabled)) {
1449 /* WPA */
1450 struct enc_key * pkey = NULL;
1451
1452 if ( priv->wpa_mcast_key.len
1453 && (priv->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
1454 pkey = &priv->wpa_mcast_key;
1455 else if ( priv->wpa_unicast_key.len
1456 && (priv->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
1457 pkey = &priv->wpa_unicast_key;
1458
1459 if (pkey) {
1460 if (pkey->type == KEY_TYPE_ID_AES) {
1461 ext->alg = IW_ENCODE_ALG_CCMP;
1462 } else {
1463 ext->alg = IW_ENCODE_ALG_TKIP;
1464 }
1465 ext->key_len = pkey->len;
1466 key = &pkey->key[0];
1467 } else {
1468 ext->alg = IW_ENCODE_ALG_TKIP;
1469 ext->key_len = 0;
1470 }
1471 } else {
1472 goto out;
1473 }
1474
1475 if (ext->key_len > max_key_len) {
1476 ret = -E2BIG;
1477 goto out;
1478 }
1479
1480 if (ext->key_len)
1481 memcpy(ext->key, key, ext->key_len);
1482 else
1483 dwrq->flags |= IW_ENCODE_NOKEY;
1484 dwrq->flags |= IW_ENCODE_ENABLED;
1485 }
1486 ret = 0;
1487
1488 out:
1489 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1490 return ret;
1491 }
1492
1493 /**
1494 * @brief Set Encryption key Extended (WPA/802.1x and WEP)
1495 *
1496 * @param dev A pointer to net_device structure
1497 * @param info A pointer to iw_request_info structure
1498 * @param vwrq A pointer to iw_param structure
1499 * @param extra A pointer to extra data buf
1500 * @return 0 --success, otherwise fail
1501 */
1502 static int lbs_set_encodeext(struct net_device *dev,
1503 struct iw_request_info *info,
1504 struct iw_point *dwrq,
1505 char *extra)
1506 {
1507 int ret = 0;
1508 struct lbs_private *priv = dev->priv;
1509 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1510 int alg = ext->alg;
1511 struct assoc_request * assoc_req;
1512
1513 lbs_deb_enter(LBS_DEB_WEXT);
1514
1515 mutex_lock(&priv->lock);
1516 assoc_req = lbs_get_association_request(priv);
1517 if (!assoc_req) {
1518 ret = -ENOMEM;
1519 goto out;
1520 }
1521
1522 if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
1523 disable_wep (assoc_req);
1524 disable_wpa (assoc_req);
1525 } else if (alg == IW_ENCODE_ALG_WEP) {
1526 u16 is_default = 0, index, set_tx_key = 0;
1527
1528 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1529 (dwrq->flags & IW_ENCODE_INDEX),
1530 &index, &is_default);
1531 if (ret)
1532 goto out;
1533
1534 /* If WEP isn't enabled, or if there is no key data but a valid
1535 * index, or if the set-TX-key flag was passed, set the TX key.
1536 */
1537 if ( !assoc_req->secinfo.wep_enabled
1538 || (dwrq->length == 0 && !is_default)
1539 || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
1540 set_tx_key = 1;
1541
1542 /* Copy key to driver */
1543 ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1544 set_tx_key);
1545 if (ret)
1546 goto out;
1547
1548 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1549 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1550 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1551 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1552 }
1553
1554 /* Mark the various WEP bits as modified */
1555 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1556 if (dwrq->length)
1557 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1558 if (set_tx_key)
1559 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1560 } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1561 struct enc_key * pkey;
1562
1563 /* validate key length */
1564 if (((alg == IW_ENCODE_ALG_TKIP)
1565 && (ext->key_len != KEY_LEN_WPA_TKIP))
1566 || ((alg == IW_ENCODE_ALG_CCMP)
1567 && (ext->key_len != KEY_LEN_WPA_AES))) {
1568 lbs_deb_wext("invalid size %d for key of alg "
1569 "type %d\n",
1570 ext->key_len,
1571 alg);
1572 ret = -EINVAL;
1573 goto out;
1574 }
1575
1576 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1577 pkey = &assoc_req->wpa_mcast_key;
1578 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1579 } else {
1580 pkey = &assoc_req->wpa_unicast_key;
1581 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1582 }
1583
1584 memset(pkey, 0, sizeof (struct enc_key));
1585 memcpy(pkey->key, ext->key, ext->key_len);
1586 pkey->len = ext->key_len;
1587 if (pkey->len)
1588 pkey->flags |= KEY_INFO_WPA_ENABLED;
1589
1590 /* Do this after zeroing key structure */
1591 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1592 pkey->flags |= KEY_INFO_WPA_MCAST;
1593 } else {
1594 pkey->flags |= KEY_INFO_WPA_UNICAST;
1595 }
1596
1597 if (alg == IW_ENCODE_ALG_TKIP) {
1598 pkey->type = KEY_TYPE_ID_TKIP;
1599 } else if (alg == IW_ENCODE_ALG_CCMP) {
1600 pkey->type = KEY_TYPE_ID_AES;
1601 }
1602
1603 /* If WPA isn't enabled yet, do that now */
1604 if ( assoc_req->secinfo.WPAenabled == 0
1605 && assoc_req->secinfo.WPA2enabled == 0) {
1606 assoc_req->secinfo.WPAenabled = 1;
1607 assoc_req->secinfo.WPA2enabled = 1;
1608 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1609 }
1610
1611 disable_wep (assoc_req);
1612 }
1613
1614 out:
1615 if (ret == 0) {
1616 lbs_postpone_association_work(priv);
1617 } else {
1618 lbs_cancel_association_work(priv);
1619 }
1620 mutex_unlock(&priv->lock);
1621
1622 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1623 return ret;
1624 }
1625
1626
1627 static int lbs_set_genie(struct net_device *dev,
1628 struct iw_request_info *info,
1629 struct iw_point *dwrq,
1630 char *extra)
1631 {
1632 struct lbs_private *priv = dev->priv;
1633 int ret = 0;
1634 struct assoc_request * assoc_req;
1635
1636 lbs_deb_enter(LBS_DEB_WEXT);
1637
1638 mutex_lock(&priv->lock);
1639 assoc_req = lbs_get_association_request(priv);
1640 if (!assoc_req) {
1641 ret = -ENOMEM;
1642 goto out;
1643 }
1644
1645 if (dwrq->length > MAX_WPA_IE_LEN ||
1646 (dwrq->length && extra == NULL)) {
1647 ret = -EINVAL;
1648 goto out;
1649 }
1650
1651 if (dwrq->length) {
1652 memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
1653 assoc_req->wpa_ie_len = dwrq->length;
1654 } else {
1655 memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
1656 assoc_req->wpa_ie_len = 0;
1657 }
1658
1659 out:
1660 if (ret == 0) {
1661 set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1662 lbs_postpone_association_work(priv);
1663 } else {
1664 lbs_cancel_association_work(priv);
1665 }
1666 mutex_unlock(&priv->lock);
1667
1668 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1669 return ret;
1670 }
1671
1672 static int lbs_get_genie(struct net_device *dev,
1673 struct iw_request_info *info,
1674 struct iw_point *dwrq,
1675 char *extra)
1676 {
1677 int ret = 0;
1678 struct lbs_private *priv = dev->priv;
1679
1680 lbs_deb_enter(LBS_DEB_WEXT);
1681
1682 if (priv->wpa_ie_len == 0) {
1683 dwrq->length = 0;
1684 goto out;
1685 }
1686
1687 if (dwrq->length < priv->wpa_ie_len) {
1688 ret = -E2BIG;
1689 goto out;
1690 }
1691
1692 dwrq->length = priv->wpa_ie_len;
1693 memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
1694
1695 out:
1696 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1697 return ret;
1698 }
1699
1700
1701 static int lbs_set_auth(struct net_device *dev,
1702 struct iw_request_info *info,
1703 struct iw_param *dwrq,
1704 char *extra)
1705 {
1706 struct lbs_private *priv = dev->priv;
1707 struct assoc_request * assoc_req;
1708 int ret = 0;
1709 int updated = 0;
1710
1711 lbs_deb_enter(LBS_DEB_WEXT);
1712
1713 mutex_lock(&priv->lock);
1714 assoc_req = lbs_get_association_request(priv);
1715 if (!assoc_req) {
1716 ret = -ENOMEM;
1717 goto out;
1718 }
1719
1720 switch (dwrq->flags & IW_AUTH_INDEX) {
1721 case IW_AUTH_TKIP_COUNTERMEASURES:
1722 case IW_AUTH_CIPHER_PAIRWISE:
1723 case IW_AUTH_CIPHER_GROUP:
1724 case IW_AUTH_KEY_MGMT:
1725 case IW_AUTH_DROP_UNENCRYPTED:
1726 /*
1727 * libertas does not use these parameters
1728 */
1729 break;
1730
1731 case IW_AUTH_WPA_VERSION:
1732 if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
1733 assoc_req->secinfo.WPAenabled = 0;
1734 assoc_req->secinfo.WPA2enabled = 0;
1735 disable_wpa (assoc_req);
1736 }
1737 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
1738 assoc_req->secinfo.WPAenabled = 1;
1739 assoc_req->secinfo.wep_enabled = 0;
1740 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1741 }
1742 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
1743 assoc_req->secinfo.WPA2enabled = 1;
1744 assoc_req->secinfo.wep_enabled = 0;
1745 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1746 }
1747 updated = 1;
1748 break;
1749
1750 case IW_AUTH_80211_AUTH_ALG:
1751 if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1752 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1753 } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1754 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1755 } else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1756 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1757 } else {
1758 ret = -EINVAL;
1759 }
1760 updated = 1;
1761 break;
1762
1763 case IW_AUTH_WPA_ENABLED:
1764 if (dwrq->value) {
1765 if (!assoc_req->secinfo.WPAenabled &&
1766 !assoc_req->secinfo.WPA2enabled) {
1767 assoc_req->secinfo.WPAenabled = 1;
1768 assoc_req->secinfo.WPA2enabled = 1;
1769 assoc_req->secinfo.wep_enabled = 0;
1770 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1771 }
1772 } else {
1773 assoc_req->secinfo.WPAenabled = 0;
1774 assoc_req->secinfo.WPA2enabled = 0;
1775 disable_wpa (assoc_req);
1776 }
1777 updated = 1;
1778 break;
1779
1780 default:
1781 ret = -EOPNOTSUPP;
1782 break;
1783 }
1784
1785 out:
1786 if (ret == 0) {
1787 if (updated)
1788 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1789 lbs_postpone_association_work(priv);
1790 } else if (ret != -EOPNOTSUPP) {
1791 lbs_cancel_association_work(priv);
1792 }
1793 mutex_unlock(&priv->lock);
1794
1795 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1796 return ret;
1797 }
1798
1799 static int lbs_get_auth(struct net_device *dev,
1800 struct iw_request_info *info,
1801 struct iw_param *dwrq,
1802 char *extra)
1803 {
1804 int ret = 0;
1805 struct lbs_private *priv = dev->priv;
1806
1807 lbs_deb_enter(LBS_DEB_WEXT);
1808
1809 switch (dwrq->flags & IW_AUTH_INDEX) {
1810 case IW_AUTH_WPA_VERSION:
1811 dwrq->value = 0;
1812 if (priv->secinfo.WPAenabled)
1813 dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1814 if (priv->secinfo.WPA2enabled)
1815 dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
1816 if (!dwrq->value)
1817 dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
1818 break;
1819
1820 case IW_AUTH_80211_AUTH_ALG:
1821 dwrq->value = priv->secinfo.auth_mode;
1822 break;
1823
1824 case IW_AUTH_WPA_ENABLED:
1825 if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
1826 dwrq->value = 1;
1827 break;
1828
1829 default:
1830 ret = -EOPNOTSUPP;
1831 }
1832
1833 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1834 return ret;
1835 }
1836
1837
1838 static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1839 struct iw_param *vwrq, char *extra)
1840 {
1841 int ret = 0;
1842 struct lbs_private *priv = dev->priv;
1843
1844 u16 dbm;
1845
1846 lbs_deb_enter(LBS_DEB_WEXT);
1847
1848 if (vwrq->disabled) {
1849 lbs_radio_ioctl(priv, RADIO_OFF);
1850 return 0;
1851 }
1852
1853 priv->preamble = CMD_TYPE_AUTO_PREAMBLE;
1854
1855 lbs_radio_ioctl(priv, RADIO_ON);
1856
1857 /* Userspace check in iwrange if it should use dBm or mW,
1858 * therefore this should never happen... Jean II */
1859 if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) {
1860 return -EOPNOTSUPP;
1861 } else
1862 dbm = (u16) vwrq->value;
1863
1864 /* auto tx power control */
1865
1866 if (vwrq->fixed == 0)
1867 dbm = 0xffff;
1868
1869 lbs_deb_wext("txpower set %d dbm\n", dbm);
1870
1871 ret = lbs_prepare_and_send_command(priv,
1872 CMD_802_11_RF_TX_POWER,
1873 CMD_ACT_TX_POWER_OPT_SET_LOW,
1874 CMD_OPTION_WAITFORRSP, 0, (void *)&dbm);
1875
1876 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1877 return ret;
1878 }
1879
1880 static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
1881 struct iw_point *dwrq, char *extra)
1882 {
1883 struct lbs_private *priv = dev->priv;
1884
1885 lbs_deb_enter(LBS_DEB_WEXT);
1886
1887 /*
1888 * Note : if dwrq->flags != 0, we should get the relevant SSID from
1889 * the SSID list...
1890 */
1891
1892 /*
1893 * Get the current SSID
1894 */
1895 if (priv->connect_status == LBS_CONNECTED) {
1896 memcpy(extra, priv->curbssparams.ssid,
1897 priv->curbssparams.ssid_len);
1898 extra[priv->curbssparams.ssid_len] = '\0';
1899 } else {
1900 memset(extra, 0, 32);
1901 extra[priv->curbssparams.ssid_len] = '\0';
1902 }
1903 /*
1904 * If none, we may want to get the one that was set
1905 */
1906
1907 dwrq->length = priv->curbssparams.ssid_len;
1908
1909 dwrq->flags = 1; /* active */
1910
1911 lbs_deb_leave(LBS_DEB_WEXT);
1912 return 0;
1913 }
1914
1915 static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
1916 struct iw_point *dwrq, char *extra)
1917 {
1918 struct lbs_private *priv = dev->priv;
1919 int ret = 0;
1920 u8 ssid[IW_ESSID_MAX_SIZE];
1921 u8 ssid_len = 0;
1922 struct assoc_request * assoc_req;
1923 int in_ssid_len = dwrq->length;
1924
1925 lbs_deb_enter(LBS_DEB_WEXT);
1926
1927 /* Check the size of the string */
1928 if (in_ssid_len > IW_ESSID_MAX_SIZE) {
1929 ret = -E2BIG;
1930 goto out;
1931 }
1932
1933 memset(&ssid, 0, sizeof(ssid));
1934
1935 if (!dwrq->flags || !in_ssid_len) {
1936 /* "any" SSID requested; leave SSID blank */
1937 } else {
1938 /* Specific SSID requested */
1939 memcpy(&ssid, extra, in_ssid_len);
1940 ssid_len = in_ssid_len;
1941 }
1942
1943 if (!ssid_len) {
1944 lbs_deb_wext("requested any SSID\n");
1945 } else {
1946 lbs_deb_wext("requested SSID '%s'\n",
1947 escape_essid(ssid, ssid_len));
1948 }
1949
1950 out:
1951 mutex_lock(&priv->lock);
1952 if (ret == 0) {
1953 /* Get or create the current association request */
1954 assoc_req = lbs_get_association_request(priv);
1955 if (!assoc_req) {
1956 ret = -ENOMEM;
1957 } else {
1958 /* Copy the SSID to the association request */
1959 memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
1960 assoc_req->ssid_len = ssid_len;
1961 set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
1962 lbs_postpone_association_work(priv);
1963 }
1964 }
1965
1966 /* Cancel the association request if there was an error */
1967 if (ret != 0) {
1968 lbs_cancel_association_work(priv);
1969 }
1970
1971 mutex_unlock(&priv->lock);
1972
1973 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1974 return ret;
1975 }
1976
1977 static int lbs_mesh_get_essid(struct net_device *dev,
1978 struct iw_request_info *info,
1979 struct iw_point *dwrq, char *extra)
1980 {
1981 struct lbs_private *priv = dev->priv;
1982
1983 lbs_deb_enter(LBS_DEB_WEXT);
1984
1985 memcpy(extra, priv->mesh_ssid, priv->mesh_ssid_len);
1986
1987 dwrq->length = priv->mesh_ssid_len;
1988
1989 dwrq->flags = 1; /* active */
1990
1991 lbs_deb_leave(LBS_DEB_WEXT);
1992 return 0;
1993 }
1994
1995 static int lbs_mesh_set_essid(struct net_device *dev,
1996 struct iw_request_info *info,
1997 struct iw_point *dwrq, char *extra)
1998 {
1999 struct lbs_private *priv = dev->priv;
2000 int ret = 0;
2001
2002 lbs_deb_enter(LBS_DEB_WEXT);
2003
2004 /* Check the size of the string */
2005 if (dwrq->length > IW_ESSID_MAX_SIZE) {
2006 ret = -E2BIG;
2007 goto out;
2008 }
2009
2010 if (!dwrq->flags || !dwrq->length) {
2011 ret = -EINVAL;
2012 goto out;
2013 } else {
2014 /* Specific SSID requested */
2015 memcpy(priv->mesh_ssid, extra, dwrq->length);
2016 priv->mesh_ssid_len = dwrq->length;
2017 }
2018
2019 lbs_mesh_config(priv, 1, priv->curbssparams.channel);
2020 out:
2021 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2022 return ret;
2023 }
2024
2025 /**
2026 * @brief Connect to the AP or Ad-hoc Network with specific bssid
2027 *
2028 * @param dev A pointer to net_device structure
2029 * @param info A pointer to iw_request_info structure
2030 * @param awrq A pointer to iw_param structure
2031 * @param extra A pointer to extra data buf
2032 * @return 0 --success, otherwise fail
2033 */
2034 static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
2035 struct sockaddr *awrq, char *extra)
2036 {
2037 struct lbs_private *priv = dev->priv;
2038 struct assoc_request * assoc_req;
2039 int ret = 0;
2040 DECLARE_MAC_BUF(mac);
2041
2042 lbs_deb_enter(LBS_DEB_WEXT);
2043
2044 if (awrq->sa_family != ARPHRD_ETHER)
2045 return -EINVAL;
2046
2047 lbs_deb_wext("ASSOC: WAP: sa_data %s\n", print_mac(mac, awrq->sa_data));
2048
2049 mutex_lock(&priv->lock);
2050
2051 /* Get or create the current association request */
2052 assoc_req = lbs_get_association_request(priv);
2053 if (!assoc_req) {
2054 lbs_cancel_association_work(priv);
2055 ret = -ENOMEM;
2056 } else {
2057 /* Copy the BSSID to the association request */
2058 memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
2059 set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
2060 lbs_postpone_association_work(priv);
2061 }
2062
2063 mutex_unlock(&priv->lock);
2064
2065 return ret;
2066 }
2067
2068 void lbs_get_fwversion(struct lbs_private *priv, char *fwversion, int maxlen)
2069 {
2070 char fwver[32];
2071
2072 mutex_lock(&priv->lock);
2073
2074 if (priv->fwreleasenumber[3] == 0)
2075 sprintf(fwver, "%u.%u.%u",
2076 priv->fwreleasenumber[2],
2077 priv->fwreleasenumber[1],
2078 priv->fwreleasenumber[0]);
2079 else
2080 sprintf(fwver, "%u.%u.%u.p%u",
2081 priv->fwreleasenumber[2],
2082 priv->fwreleasenumber[1],
2083 priv->fwreleasenumber[0],
2084 priv->fwreleasenumber[3]);
2085
2086 mutex_unlock(&priv->lock);
2087 snprintf(fwversion, maxlen, fwver);
2088 }
2089
2090
2091 /*
2092 * iwconfig settable callbacks
2093 */
2094 static const iw_handler lbs_handler[] = {
2095 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2096 (iw_handler) lbs_get_name, /* SIOCGIWNAME */
2097 (iw_handler) NULL, /* SIOCSIWNWID */
2098 (iw_handler) NULL, /* SIOCGIWNWID */
2099 (iw_handler) lbs_set_freq, /* SIOCSIWFREQ */
2100 (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
2101 (iw_handler) lbs_set_mode, /* SIOCSIWMODE */
2102 (iw_handler) lbs_get_mode, /* SIOCGIWMODE */
2103 (iw_handler) NULL, /* SIOCSIWSENS */
2104 (iw_handler) NULL, /* SIOCGIWSENS */
2105 (iw_handler) NULL, /* SIOCSIWRANGE */
2106 (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
2107 (iw_handler) NULL, /* SIOCSIWPRIV */
2108 (iw_handler) NULL, /* SIOCGIWPRIV */
2109 (iw_handler) NULL, /* SIOCSIWSTATS */
2110 (iw_handler) NULL, /* SIOCGIWSTATS */
2111 iw_handler_set_spy, /* SIOCSIWSPY */
2112 iw_handler_get_spy, /* SIOCGIWSPY */
2113 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2114 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2115 (iw_handler) lbs_set_wap, /* SIOCSIWAP */
2116 (iw_handler) lbs_get_wap, /* SIOCGIWAP */
2117 (iw_handler) NULL, /* SIOCSIWMLME */
2118 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2119 (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
2120 (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
2121 (iw_handler) lbs_set_essid, /* SIOCSIWESSID */
2122 (iw_handler) lbs_get_essid, /* SIOCGIWESSID */
2123 (iw_handler) lbs_set_nick, /* SIOCSIWNICKN */
2124 (iw_handler) lbs_get_nick, /* SIOCGIWNICKN */
2125 (iw_handler) NULL, /* -- hole -- */
2126 (iw_handler) NULL, /* -- hole -- */
2127 (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
2128 (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
2129 (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
2130 (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
2131 (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
2132 (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
2133 (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
2134 (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
2135 (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
2136 (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
2137 (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
2138 (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
2139 (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
2140 (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
2141 (iw_handler) NULL, /* -- hole -- */
2142 (iw_handler) NULL, /* -- hole -- */
2143 (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
2144 (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
2145 (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
2146 (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
2147 (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2148 (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2149 (iw_handler) NULL, /* SIOCSIWPMKSA */
2150 };
2151
2152 static const iw_handler mesh_wlan_handler[] = {
2153 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2154 (iw_handler) lbs_get_name, /* SIOCGIWNAME */
2155 (iw_handler) NULL, /* SIOCSIWNWID */
2156 (iw_handler) NULL, /* SIOCGIWNWID */
2157 (iw_handler) lbs_mesh_set_freq, /* SIOCSIWFREQ */
2158 (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
2159 (iw_handler) NULL, /* SIOCSIWMODE */
2160 (iw_handler) mesh_wlan_get_mode, /* SIOCGIWMODE */
2161 (iw_handler) NULL, /* SIOCSIWSENS */
2162 (iw_handler) NULL, /* SIOCGIWSENS */
2163 (iw_handler) NULL, /* SIOCSIWRANGE */
2164 (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
2165 (iw_handler) NULL, /* SIOCSIWPRIV */
2166 (iw_handler) NULL, /* SIOCGIWPRIV */
2167 (iw_handler) NULL, /* SIOCSIWSTATS */
2168 (iw_handler) NULL, /* SIOCGIWSTATS */
2169 iw_handler_set_spy, /* SIOCSIWSPY */
2170 iw_handler_get_spy, /* SIOCGIWSPY */
2171 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2172 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2173 (iw_handler) NULL, /* SIOCSIWAP */
2174 (iw_handler) NULL, /* SIOCGIWAP */
2175 (iw_handler) NULL, /* SIOCSIWMLME */
2176 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2177 (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
2178 (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
2179 (iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
2180 (iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
2181 (iw_handler) NULL, /* SIOCSIWNICKN */
2182 (iw_handler) mesh_get_nick, /* SIOCGIWNICKN */
2183 (iw_handler) NULL, /* -- hole -- */
2184 (iw_handler) NULL, /* -- hole -- */
2185 (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
2186 (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
2187 (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
2188 (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
2189 (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
2190 (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
2191 (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
2192 (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
2193 (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
2194 (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
2195 (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
2196 (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
2197 (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
2198 (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
2199 (iw_handler) NULL, /* -- hole -- */
2200 (iw_handler) NULL, /* -- hole -- */
2201 (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
2202 (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
2203 (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
2204 (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
2205 (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2206 (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2207 (iw_handler) NULL, /* SIOCSIWPMKSA */
2208 };
2209 struct iw_handler_def lbs_handler_def = {
2210 .num_standard = ARRAY_SIZE(lbs_handler),
2211 .standard = (iw_handler *) lbs_handler,
2212 .get_wireless_stats = lbs_get_wireless_stats,
2213 };
2214
2215 struct iw_handler_def mesh_handler_def = {
2216 .num_standard = ARRAY_SIZE(mesh_wlan_handler),
2217 .standard = (iw_handler *) mesh_wlan_handler,
2218 .get_wireless_stats = lbs_get_wireless_stats,
2219 };
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