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libertas: convert adhoc operations to direct commands
[linux-2.6/mini2440.git] / drivers / net / wireless / libertas / wext.c
blob426f1fe3bb4298aadc6d2ec3d52060ba91d2ff94
1 /**
2 * This file contains ioctl functions
3 */
4 #include <linux/ctype.h>
5 #include <linux/delay.h>
6 #include <linux/if.h>
7 #include <linux/if_arp.h>
8 #include <linux/wireless.h>
9 #include <linux/bitops.h>
10
11 #include <net/ieee80211.h>
12 #include <net/iw_handler.h>
13
14 #include "host.h"
15 #include "radiotap.h"
16 #include "decl.h"
17 #include "defs.h"
18 #include "dev.h"
19 #include "wext.h"
20 #include "scan.h"
21 #include "assoc.h"
22 #include "cmd.h"
23
24
25 static inline void lbs_postpone_association_work(struct lbs_private *priv)
26 {
27 if (priv->surpriseremoved)
28 return;
29 cancel_delayed_work(&priv->assoc_work);
30 queue_delayed_work(priv->work_thread, &priv->assoc_work, HZ / 2);
31 }
32
33 static inline void lbs_cancel_association_work(struct lbs_private *priv)
34 {
35 cancel_delayed_work(&priv->assoc_work);
36 kfree(priv->pending_assoc_req);
37 priv->pending_assoc_req = NULL;
38 }
39
40
41 /**
42 * @brief Find the channel frequency power info with specific channel
43 *
44 * @param priv A pointer to struct lbs_private structure
45 * @param band it can be BAND_A, BAND_G or BAND_B
46 * @param channel the channel for looking
47 * @return A pointer to struct chan_freq_power structure or NULL if not find.
48 */
49 struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
50 struct lbs_private *priv,
51 u8 band,
52 u16 channel)
53 {
54 struct chan_freq_power *cfp = NULL;
55 struct region_channel *rc;
56 int i, j;
57
58 for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
59 rc = &priv->region_channel[j];
60
61 if (priv->enable11d)
62 rc = &priv->universal_channel[j];
63 if (!rc->valid || !rc->CFP)
64 continue;
65 if (rc->band != band)
66 continue;
67 for (i = 0; i < rc->nrcfp; i++) {
68 if (rc->CFP[i].channel == channel) {
69 cfp = &rc->CFP[i];
70 break;
71 }
72 }
73 }
74
75 if (!cfp && channel)
76 lbs_deb_wext("lbs_find_cfp_by_band_and_channel: can't find "
77 "cfp by band %d / channel %d\n", band, channel);
78
79 return cfp;
80 }
81
82 /**
83 * @brief Find the channel frequency power info with specific frequency
84 *
85 * @param priv A pointer to struct lbs_private structure
86 * @param band it can be BAND_A, BAND_G or BAND_B
87 * @param freq the frequency for looking
88 * @return A pointer to struct chan_freq_power structure or NULL if not find.
89 */
90 static struct chan_freq_power *find_cfp_by_band_and_freq(
91 struct lbs_private *priv,
92 u8 band,
93 u32 freq)
94 {
95 struct chan_freq_power *cfp = NULL;
96 struct region_channel *rc;
97 int i, j;
98
99 for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
100 rc = &priv->region_channel[j];
101
102 if (priv->enable11d)
103 rc = &priv->universal_channel[j];
104 if (!rc->valid || !rc->CFP)
105 continue;
106 if (rc->band != band)
107 continue;
108 for (i = 0; i < rc->nrcfp; i++) {
109 if (rc->CFP[i].freq == freq) {
110 cfp = &rc->CFP[i];
111 break;
112 }
113 }
114 }
115
116 if (!cfp && freq)
117 lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by "
118 "band %d / freq %d\n", band, freq);
119
120 return cfp;
121 }
122
123 /**
124 * @brief Copy active data rates based on adapter mode and status
125 *
126 * @param priv A pointer to struct lbs_private structure
127 * @param rate The buf to return the active rates
128 */
129 static void copy_active_data_rates(struct lbs_private *priv, u8 *rates)
130 {
131 lbs_deb_enter(LBS_DEB_WEXT);
132
133 if ((priv->connect_status != LBS_CONNECTED) &&
134 (priv->mesh_connect_status != LBS_CONNECTED))
135 memcpy(rates, lbs_bg_rates, MAX_RATES);
136 else
137 memcpy(rates, priv->curbssparams.rates, MAX_RATES);
138
139 lbs_deb_leave(LBS_DEB_WEXT);
140 }
141
142 static int lbs_get_name(struct net_device *dev, struct iw_request_info *info,
143 char *cwrq, char *extra)
144 {
145
146 lbs_deb_enter(LBS_DEB_WEXT);
147
148 /* We could add support for 802.11n here as needed. Jean II */
149 snprintf(cwrq, IFNAMSIZ, "IEEE 802.11b/g");
150
151 lbs_deb_leave(LBS_DEB_WEXT);
152 return 0;
153 }
154
155 static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
156 struct iw_freq *fwrq, char *extra)
157 {
158 struct lbs_private *priv = dev->priv;
159 struct chan_freq_power *cfp;
160
161 lbs_deb_enter(LBS_DEB_WEXT);
162
163 cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
164 priv->curbssparams.channel);
165
166 if (!cfp) {
167 if (priv->curbssparams.channel)
168 lbs_deb_wext("invalid channel %d\n",
169 priv->curbssparams.channel);
170 return -EINVAL;
171 }
172
173 fwrq->m = (long)cfp->freq * 100000;
174 fwrq->e = 1;
175
176 lbs_deb_wext("freq %u\n", fwrq->m);
177 lbs_deb_leave(LBS_DEB_WEXT);
178 return 0;
179 }
180
181 static int lbs_get_wap(struct net_device *dev, struct iw_request_info *info,
182 struct sockaddr *awrq, char *extra)
183 {
184 struct lbs_private *priv = dev->priv;
185
186 lbs_deb_enter(LBS_DEB_WEXT);
187
188 if (priv->connect_status == LBS_CONNECTED) {
189 memcpy(awrq->sa_data, priv->curbssparams.bssid, ETH_ALEN);
190 } else {
191 memset(awrq->sa_data, 0, ETH_ALEN);
192 }
193 awrq->sa_family = ARPHRD_ETHER;
194
195 lbs_deb_leave(LBS_DEB_WEXT);
196 return 0;
197 }
198
199 static int lbs_set_nick(struct net_device *dev, struct iw_request_info *info,
200 struct iw_point *dwrq, char *extra)
201 {
202 struct lbs_private *priv = dev->priv;
203
204 lbs_deb_enter(LBS_DEB_WEXT);
205
206 /*
207 * Check the size of the string
208 */
209
210 if (dwrq->length > 16) {
211 return -E2BIG;
212 }
213
214 mutex_lock(&priv->lock);
215 memset(priv->nodename, 0, sizeof(priv->nodename));
216 memcpy(priv->nodename, extra, dwrq->length);
217 mutex_unlock(&priv->lock);
218
219 lbs_deb_leave(LBS_DEB_WEXT);
220 return 0;
221 }
222
223 static int lbs_get_nick(struct net_device *dev, struct iw_request_info *info,
224 struct iw_point *dwrq, char *extra)
225 {
226 struct lbs_private *priv = dev->priv;
227
228 lbs_deb_enter(LBS_DEB_WEXT);
229
230 dwrq->length = strlen(priv->nodename);
231 memcpy(extra, priv->nodename, dwrq->length);
232 extra[dwrq->length] = '\0';
233
234 dwrq->flags = 1; /* active */
235
236 lbs_deb_leave(LBS_DEB_WEXT);
237 return 0;
238 }
239
240 static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info,
241 struct iw_point *dwrq, char *extra)
242 {
243 struct lbs_private *priv = dev->priv;
244
245 lbs_deb_enter(LBS_DEB_WEXT);
246
247 /* Use nickname to indicate that mesh is on */
248
249 if (priv->mesh_connect_status == LBS_CONNECTED) {
250 strncpy(extra, "Mesh", 12);
251 extra[12] = '\0';
252 dwrq->length = strlen(extra);
253 }
254
255 else {
256 extra[0] = '\0';
257 dwrq->length = 0;
258 }
259
260 lbs_deb_leave(LBS_DEB_WEXT);
261 return 0;
262 }
263
264 static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
265 struct iw_param *vwrq, char *extra)
266 {
267 int ret = 0;
268 struct lbs_private *priv = dev->priv;
269 u32 rthr = vwrq->value;
270
271 lbs_deb_enter(LBS_DEB_WEXT);
272
273 if (vwrq->disabled) {
274 priv->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE;
275 } else {
276 if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE)
277 return -EINVAL;
278 priv->rtsthsd = rthr;
279 }
280
281 ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
282 CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
283 OID_802_11_RTS_THRESHOLD, &rthr);
284
285 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
286 return ret;
287 }
288
289 static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info,
290 struct iw_param *vwrq, char *extra)
291 {
292 int ret = 0;
293 struct lbs_private *priv = dev->priv;
294
295 lbs_deb_enter(LBS_DEB_WEXT);
296
297 priv->rtsthsd = 0;
298 ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
299 CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
300 OID_802_11_RTS_THRESHOLD, NULL);
301 if (ret)
302 goto out;
303
304 vwrq->value = priv->rtsthsd;
305 vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE)
306 || (vwrq->value > MRVDRV_RTS_MAX_VALUE));
307 vwrq->fixed = 1;
308
309 out:
310 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
311 return ret;
312 }
313
314 static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
315 struct iw_param *vwrq, char *extra)
316 {
317 int ret = 0;
318 u32 fthr = vwrq->value;
319 struct lbs_private *priv = dev->priv;
320
321 lbs_deb_enter(LBS_DEB_WEXT);
322
323 if (vwrq->disabled) {
324 priv->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE;
325 } else {
326 if (fthr < MRVDRV_FRAG_MIN_VALUE
327 || fthr > MRVDRV_FRAG_MAX_VALUE)
328 return -EINVAL;
329 priv->fragthsd = fthr;
330 }
331
332 ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
333 CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
334 OID_802_11_FRAGMENTATION_THRESHOLD, &fthr);
335
336 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
337 return ret;
338 }
339
340 static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
341 struct iw_param *vwrq, char *extra)
342 {
343 int ret = 0;
344 struct lbs_private *priv = dev->priv;
345
346 lbs_deb_enter(LBS_DEB_WEXT);
347
348 priv->fragthsd = 0;
349 ret = lbs_prepare_and_send_command(priv,
350 CMD_802_11_SNMP_MIB,
351 CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
352 OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
353 if (ret)
354 goto out;
355
356 vwrq->value = priv->fragthsd;
357 vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE)
358 || (vwrq->value > MRVDRV_FRAG_MAX_VALUE));
359 vwrq->fixed = 1;
360
361 out:
362 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
363 return ret;
364 }
365
366 static int lbs_get_mode(struct net_device *dev,
367 struct iw_request_info *info, u32 * uwrq, char *extra)
368 {
369 struct lbs_private *priv = dev->priv;
370
371 lbs_deb_enter(LBS_DEB_WEXT);
372
373 *uwrq = priv->mode;
374
375 lbs_deb_leave(LBS_DEB_WEXT);
376 return 0;
377 }
378
379 static int mesh_wlan_get_mode(struct net_device *dev,
380 struct iw_request_info *info, u32 * uwrq,
381 char *extra)
382 {
383 lbs_deb_enter(LBS_DEB_WEXT);
384
385 *uwrq = IW_MODE_REPEAT ;
386
387 lbs_deb_leave(LBS_DEB_WEXT);
388 return 0;
389 }
390
391 static int lbs_get_txpow(struct net_device *dev,
392 struct iw_request_info *info,
393 struct iw_param *vwrq, char *extra)
394 {
395 struct lbs_private *priv = dev->priv;
396 s16 curlevel = 0;
397 int ret = 0;
398
399 lbs_deb_enter(LBS_DEB_WEXT);
400
401 if (!priv->radio_on) {
402 lbs_deb_wext("tx power off\n");
403 vwrq->value = 0;
404 vwrq->disabled = 1;
405 goto out;
406 }
407
408 ret = lbs_get_tx_power(priv, &curlevel, NULL, NULL);
409 if (ret)
410 goto out;
411
412 lbs_deb_wext("tx power level %d dbm\n", curlevel);
413 priv->txpower_cur = curlevel;
414
415 vwrq->value = curlevel;
416 vwrq->fixed = 1;
417 vwrq->disabled = 0;
418 vwrq->flags = IW_TXPOW_DBM;
419
420 out:
421 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
422 return ret;
423 }
424
425 static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
426 struct iw_param *vwrq, char *extra)
427 {
428 int ret = 0;
429 struct lbs_private *priv = dev->priv;
430
431 lbs_deb_enter(LBS_DEB_WEXT);
432
433 if (vwrq->flags == IW_RETRY_LIMIT) {
434 /* The MAC has a 4-bit Total_Tx_Count register
435 Total_Tx_Count = 1 + Tx_Retry_Count */
436 #define TX_RETRY_MIN 0
437 #define TX_RETRY_MAX 14
438 if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
439 return -EINVAL;
440
441 /* Adding 1 to convert retry count to try count */
442 priv->txretrycount = vwrq->value + 1;
443
444 ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
445 CMD_ACT_SET,
446 CMD_OPTION_WAITFORRSP,
447 OID_802_11_TX_RETRYCOUNT, NULL);
448
449 if (ret)
450 goto out;
451 } else {
452 return -EOPNOTSUPP;
453 }
454
455 out:
456 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
457 return ret;
458 }
459
460 static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
461 struct iw_param *vwrq, char *extra)
462 {
463 struct lbs_private *priv = dev->priv;
464 int ret = 0;
465
466 lbs_deb_enter(LBS_DEB_WEXT);
467
468 priv->txretrycount = 0;
469 ret = lbs_prepare_and_send_command(priv,
470 CMD_802_11_SNMP_MIB,
471 CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
472 OID_802_11_TX_RETRYCOUNT, NULL);
473 if (ret)
474 goto out;
475
476 vwrq->disabled = 0;
477 if (!vwrq->flags) {
478 vwrq->flags = IW_RETRY_LIMIT;
479 /* Subtract 1 to convert try count to retry count */
480 vwrq->value = priv->txretrycount - 1;
481 }
482
483 out:
484 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
485 return ret;
486 }
487
488 static inline void sort_channels(struct iw_freq *freq, int num)
489 {
490 int i, j;
491 struct iw_freq temp;
492
493 for (i = 0; i < num; i++)
494 for (j = i + 1; j < num; j++)
495 if (freq[i].i > freq[j].i) {
496 temp.i = freq[i].i;
497 temp.m = freq[i].m;
498
499 freq[i].i = freq[j].i;
500 freq[i].m = freq[j].m;
501
502 freq[j].i = temp.i;
503 freq[j].m = temp.m;
504 }
505 }
506
507 /* data rate listing
508 MULTI_BANDS:
509 abg a b b/g
510 Infra G(12) A(8) B(4) G(12)
511 Adhoc A+B(12) A(8) B(4) B(4)
512
513 non-MULTI_BANDS:
514 b b/g
515 Infra B(4) G(12)
516 Adhoc B(4) B(4)
517 */
518 /**
519 * @brief Get Range Info
520 *
521 * @param dev A pointer to net_device structure
522 * @param info A pointer to iw_request_info structure
523 * @param vwrq A pointer to iw_param structure
524 * @param extra A pointer to extra data buf
525 * @return 0 --success, otherwise fail
526 */
527 static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
528 struct iw_point *dwrq, char *extra)
529 {
530 int i, j;
531 struct lbs_private *priv = dev->priv;
532 struct iw_range *range = (struct iw_range *)extra;
533 struct chan_freq_power *cfp;
534 u8 rates[MAX_RATES + 1];
535
536 u8 flag = 0;
537
538 lbs_deb_enter(LBS_DEB_WEXT);
539
540 dwrq->length = sizeof(struct iw_range);
541 memset(range, 0, sizeof(struct iw_range));
542
543 range->min_nwid = 0;
544 range->max_nwid = 0;
545
546 memset(rates, 0, sizeof(rates));
547 copy_active_data_rates(priv, rates);
548 range->num_bitrates = strnlen(rates, IW_MAX_BITRATES);
549 for (i = 0; i < range->num_bitrates; i++)
550 range->bitrate[i] = rates[i] * 500000;
551 range->num_bitrates = i;
552 lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
553 range->num_bitrates);
554
555 range->num_frequency = 0;
556
557 range->scan_capa = IW_SCAN_CAPA_ESSID;
558
559 if (priv->enable11d &&
560 (priv->connect_status == LBS_CONNECTED ||
561 priv->mesh_connect_status == LBS_CONNECTED)) {
562 u8 chan_no;
563 u8 band;
564
565 struct parsed_region_chan_11d *parsed_region_chan =
566 &priv->parsed_region_chan;
567
568 if (parsed_region_chan == NULL) {
569 lbs_deb_wext("11d: parsed_region_chan is NULL\n");
570 goto out;
571 }
572 band = parsed_region_chan->band;
573 lbs_deb_wext("band %d, nr_char %d\n", band,
574 parsed_region_chan->nr_chan);
575
576 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
577 && (i < parsed_region_chan->nr_chan); i++) {
578 chan_no = parsed_region_chan->chanpwr[i].chan;
579 lbs_deb_wext("chan_no %d\n", chan_no);
580 range->freq[range->num_frequency].i = (long)chan_no;
581 range->freq[range->num_frequency].m =
582 (long)lbs_chan_2_freq(chan_no) * 100000;
583 range->freq[range->num_frequency].e = 1;
584 range->num_frequency++;
585 }
586 flag = 1;
587 }
588 if (!flag) {
589 for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
590 && (j < ARRAY_SIZE(priv->region_channel)); j++) {
591 cfp = priv->region_channel[j].CFP;
592 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
593 && priv->region_channel[j].valid
594 && cfp
595 && (i < priv->region_channel[j].nrcfp); i++) {
596 range->freq[range->num_frequency].i =
597 (long)cfp->channel;
598 range->freq[range->num_frequency].m =
599 (long)cfp->freq * 100000;
600 range->freq[range->num_frequency].e = 1;
601 cfp++;
602 range->num_frequency++;
603 }
604 }
605 }
606
607 lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
608 IW_MAX_FREQUENCIES, range->num_frequency);
609
610 range->num_channels = range->num_frequency;
611
612 sort_channels(&range->freq[0], range->num_frequency);
613
614 /*
615 * Set an indication of the max TCP throughput in bit/s that we can
616 * expect using this interface
617 */
618 if (i > 2)
619 range->throughput = 5000 * 1000;
620 else
621 range->throughput = 1500 * 1000;
622
623 range->min_rts = MRVDRV_RTS_MIN_VALUE;
624 range->max_rts = MRVDRV_RTS_MAX_VALUE;
625 range->min_frag = MRVDRV_FRAG_MIN_VALUE;
626 range->max_frag = MRVDRV_FRAG_MAX_VALUE;
627
628 range->encoding_size[0] = 5;
629 range->encoding_size[1] = 13;
630 range->num_encoding_sizes = 2;
631 range->max_encoding_tokens = 4;
632
633 /*
634 * Right now we support only "iwconfig ethX power on|off"
635 */
636 range->pm_capa = IW_POWER_ON;
637
638 /*
639 * Minimum version we recommend
640 */
641 range->we_version_source = 15;
642
643 /*
644 * Version we are compiled with
645 */
646 range->we_version_compiled = WIRELESS_EXT;
647
648 range->retry_capa = IW_RETRY_LIMIT;
649 range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
650
651 range->min_retry = TX_RETRY_MIN;
652 range->max_retry = TX_RETRY_MAX;
653
654 /*
655 * Set the qual, level and noise range values
656 */
657 range->max_qual.qual = 100;
658 range->max_qual.level = 0;
659 range->max_qual.noise = 0;
660 range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
661
662 range->avg_qual.qual = 70;
663 /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
664 range->avg_qual.level = 0;
665 range->avg_qual.noise = 0;
666 range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
667
668 range->sensitivity = 0;
669
670 /* Setup the supported power level ranges */
671 memset(range->txpower, 0, sizeof(range->txpower));
672 range->txpower_capa = IW_TXPOW_DBM | IW_TXPOW_RANGE;
673 range->txpower[0] = priv->txpower_min;
674 range->txpower[1] = priv->txpower_max;
675 range->num_txpower = 2;
676
677 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
678 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
679 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
680 range->event_capa[1] = IW_EVENT_CAPA_K_1;
681
682 if (priv->fwcapinfo & FW_CAPINFO_WPA) {
683 range->enc_capa = IW_ENC_CAPA_WPA
684 | IW_ENC_CAPA_WPA2
685 | IW_ENC_CAPA_CIPHER_TKIP
686 | IW_ENC_CAPA_CIPHER_CCMP;
687 }
688
689 out:
690 lbs_deb_leave(LBS_DEB_WEXT);
691 return 0;
692 }
693
694 static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
695 struct iw_param *vwrq, char *extra)
696 {
697 struct lbs_private *priv = dev->priv;
698
699 lbs_deb_enter(LBS_DEB_WEXT);
700
701 if (!priv->ps_supported) {
702 if (vwrq->disabled)
703 return 0;
704 else
705 return -EINVAL;
706 }
707
708 /* PS is currently supported only in Infrastructure mode
709 * Remove this check if it is to be supported in IBSS mode also
710 */
711
712 if (vwrq->disabled) {
713 priv->psmode = LBS802_11POWERMODECAM;
714 if (priv->psstate != PS_STATE_FULL_POWER) {
715 lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
716 }
717
718 return 0;
719 }
720
721 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
722 lbs_deb_wext(
723 "setting power timeout is not supported\n");
724 return -EINVAL;
725 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
726 lbs_deb_wext("setting power period not supported\n");
727 return -EINVAL;
728 }
729
730 if (priv->psmode != LBS802_11POWERMODECAM) {
731 return 0;
732 }
733
734 priv->psmode = LBS802_11POWERMODEMAX_PSP;
735
736 if (priv->connect_status == LBS_CONNECTED) {
737 lbs_ps_sleep(priv, CMD_OPTION_WAITFORRSP);
738 }
739
740 lbs_deb_leave(LBS_DEB_WEXT);
741 return 0;
742 }
743
744 static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
745 struct iw_param *vwrq, char *extra)
746 {
747 struct lbs_private *priv = dev->priv;
748
749 lbs_deb_enter(LBS_DEB_WEXT);
750
751 vwrq->value = 0;
752 vwrq->flags = 0;
753 vwrq->disabled = priv->psmode == LBS802_11POWERMODECAM
754 || priv->connect_status == LBS_DISCONNECTED;
755
756 lbs_deb_leave(LBS_DEB_WEXT);
757 return 0;
758 }
759
760 static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
761 {
762 enum {
763 POOR = 30,
764 FAIR = 60,
765 GOOD = 80,
766 VERY_GOOD = 90,
767 EXCELLENT = 95,
768 PERFECT = 100
769 };
770 struct lbs_private *priv = dev->priv;
771 u32 rssi_qual;
772 u32 tx_qual;
773 u32 quality = 0;
774 int stats_valid = 0;
775 u8 rssi;
776 u32 tx_retries;
777 struct cmd_ds_802_11_get_log log;
778
779 lbs_deb_enter(LBS_DEB_WEXT);
780
781 priv->wstats.status = priv->mode;
782
783 /* If we're not associated, all quality values are meaningless */
784 if ((priv->connect_status != LBS_CONNECTED) &&
785 (priv->mesh_connect_status != LBS_CONNECTED))
786 goto out;
787
788 /* Quality by RSSI */
789 priv->wstats.qual.level =
790 CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
791 priv->NF[TYPE_BEACON][TYPE_NOAVG]);
792
793 if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
794 priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
795 } else {
796 priv->wstats.qual.noise =
797 CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
798 }
799
800 lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
801 lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
802
803 rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
804 if (rssi < 15)
805 rssi_qual = rssi * POOR / 10;
806 else if (rssi < 20)
807 rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
808 else if (rssi < 30)
809 rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
810 else if (rssi < 40)
811 rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
812 10 + GOOD;
813 else
814 rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
815 10 + VERY_GOOD;
816 quality = rssi_qual;
817
818 /* Quality by TX errors */
819 priv->wstats.discard.retries = priv->stats.tx_errors;
820
821 memset(&log, 0, sizeof(log));
822 log.hdr.size = cpu_to_le16(sizeof(log));
823 lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);
824
825 tx_retries = le32_to_cpu(log.retry);
826
827 if (tx_retries > 75)
828 tx_qual = (90 - tx_retries) * POOR / 15;
829 else if (tx_retries > 70)
830 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
831 else if (tx_retries > 65)
832 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
833 else if (tx_retries > 50)
834 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
835 15 + GOOD;
836 else
837 tx_qual = (50 - tx_retries) *
838 (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
839 quality = min(quality, tx_qual);
840
841 priv->wstats.discard.code = le32_to_cpu(log.wepundecryptable);
842 priv->wstats.discard.retries = tx_retries;
843 priv->wstats.discard.misc = le32_to_cpu(log.ackfailure);
844
845 /* Calculate quality */
846 priv->wstats.qual.qual = min_t(u8, quality, 100);
847 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
848 stats_valid = 1;
849
850 /* update stats asynchronously for future calls */
851 lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
852 0, 0, NULL);
853 out:
854 if (!stats_valid) {
855 priv->wstats.miss.beacon = 0;
856 priv->wstats.discard.retries = 0;
857 priv->wstats.qual.qual = 0;
858 priv->wstats.qual.level = 0;
859 priv->wstats.qual.noise = 0;
860 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
861 priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
862 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
863 }
864
865 lbs_deb_leave(LBS_DEB_WEXT);
866 return &priv->wstats;
867
868
869 }
870
871 static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
872 struct iw_freq *fwrq, char *extra)
873 {
874 int ret = -EINVAL;
875 struct lbs_private *priv = dev->priv;
876 struct chan_freq_power *cfp;
877 struct assoc_request * assoc_req;
878
879 lbs_deb_enter(LBS_DEB_WEXT);
880
881 mutex_lock(&priv->lock);
882 assoc_req = lbs_get_association_request(priv);
883 if (!assoc_req) {
884 ret = -ENOMEM;
885 goto out;
886 }
887
888 /* If setting by frequency, convert to a channel */
889 if (fwrq->e == 1) {
890 long f = fwrq->m / 100000;
891
892 cfp = find_cfp_by_band_and_freq(priv, 0, f);
893 if (!cfp) {
894 lbs_deb_wext("invalid freq %ld\n", f);
895 goto out;
896 }
897
898 fwrq->e = 0;
899 fwrq->m = (int) cfp->channel;
900 }
901
902 /* Setting by channel number */
903 if (fwrq->m > 1000 || fwrq->e > 0) {
904 goto out;
905 }
906
907 cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
908 if (!cfp) {
909 goto out;
910 }
911
912 assoc_req->channel = fwrq->m;
913 ret = 0;
914
915 out:
916 if (ret == 0) {
917 set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
918 lbs_postpone_association_work(priv);
919 } else {
920 lbs_cancel_association_work(priv);
921 }
922 mutex_unlock(&priv->lock);
923
924 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
925 return ret;
926 }
927
928 static int lbs_mesh_set_freq(struct net_device *dev,
929 struct iw_request_info *info,
930 struct iw_freq *fwrq, char *extra)
931 {
932 struct lbs_private *priv = dev->priv;
933 struct chan_freq_power *cfp;
934 int ret = -EINVAL;
935
936 lbs_deb_enter(LBS_DEB_WEXT);
937
938 /* If setting by frequency, convert to a channel */
939 if (fwrq->e == 1) {
940 long f = fwrq->m / 100000;
941
942 cfp = find_cfp_by_band_and_freq(priv, 0, f);
943 if (!cfp) {
944 lbs_deb_wext("invalid freq %ld\n", f);
945 goto out;
946 }
947
948 fwrq->e = 0;
949 fwrq->m = (int) cfp->channel;
950 }
951
952 /* Setting by channel number */
953 if (fwrq->m > 1000 || fwrq->e > 0) {
954 goto out;
955 }
956
957 cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
958 if (!cfp) {
959 goto out;
960 }
961
962 if (fwrq->m != priv->curbssparams.channel) {
963 lbs_deb_wext("mesh channel change forces eth disconnect\n");
964 if (priv->mode == IW_MODE_INFRA)
965 lbs_cmd_80211_deauthenticate(priv,
966 priv->curbssparams.bssid,
967 WLAN_REASON_DEAUTH_LEAVING);
968 else if (priv->mode == IW_MODE_ADHOC)
969 lbs_adhoc_stop(priv);
970 }
971 lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, fwrq->m);
972 lbs_update_channel(priv);
973 ret = 0;
974
975 out:
976 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
977 return ret;
978 }
979
980 static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
981 struct iw_param *vwrq, char *extra)
982 {
983 struct lbs_private *priv = dev->priv;
984 u8 new_rate = 0;
985 int ret = -EINVAL;
986 u8 rates[MAX_RATES + 1];
987
988 lbs_deb_enter(LBS_DEB_WEXT);
989 lbs_deb_wext("vwrq->value %d\n", vwrq->value);
990 lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);
991
992 if (vwrq->fixed && vwrq->value == -1)
993 goto out;
994
995 /* Auto rate? */
996 priv->enablehwauto = !vwrq->fixed;
997
998 if (vwrq->value == -1)
999 priv->cur_rate = 0;
1000 else {
1001 if (vwrq->value % 100000)
1002 goto out;
1003
1004 new_rate = vwrq->value / 500000;
1005 priv->cur_rate = new_rate;
1006 /* the rest is only needed for lbs_set_data_rate() */
1007 memset(rates, 0, sizeof(rates));
1008 copy_active_data_rates(priv, rates);
1009 if (!memchr(rates, new_rate, sizeof(rates))) {
1010 lbs_pr_alert("fixed data rate 0x%X out of range\n",
1011 new_rate);
1012 goto out;
1013 }
1014 }
1015
1016 /* Try the newer command first (Firmware Spec 5.1 and above) */
1017 ret = lbs_cmd_802_11_rate_adapt_rateset(priv, CMD_ACT_SET);
1018
1019 /* Fallback to older version */
1020 if (ret)
1021 ret = lbs_set_data_rate(priv, new_rate);
1022
1023 out:
1024 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1025 return ret;
1026 }
1027
1028 static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1029 struct iw_param *vwrq, char *extra)
1030 {
1031 struct lbs_private *priv = dev->priv;
1032
1033 lbs_deb_enter(LBS_DEB_WEXT);
1034
1035 if (priv->connect_status == LBS_CONNECTED) {
1036 vwrq->value = priv->cur_rate * 500000;
1037
1038 if (priv->enablehwauto)
1039 vwrq->fixed = 0;
1040 else
1041 vwrq->fixed = 1;
1042
1043 } else {
1044 vwrq->fixed = 0;
1045 vwrq->value = 0;
1046 }
1047
1048 lbs_deb_leave(LBS_DEB_WEXT);
1049 return 0;
1050 }
1051
1052 static int lbs_set_mode(struct net_device *dev,
1053 struct iw_request_info *info, u32 * uwrq, char *extra)
1054 {
1055 int ret = 0;
1056 struct lbs_private *priv = dev->priv;
1057 struct assoc_request * assoc_req;
1058
1059 lbs_deb_enter(LBS_DEB_WEXT);
1060
1061 if ( (*uwrq != IW_MODE_ADHOC)
1062 && (*uwrq != IW_MODE_INFRA)
1063 && (*uwrq != IW_MODE_AUTO)) {
1064 lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1065 ret = -EINVAL;
1066 goto out;
1067 }
1068
1069 mutex_lock(&priv->lock);
1070 assoc_req = lbs_get_association_request(priv);
1071 if (!assoc_req) {
1072 ret = -ENOMEM;
1073 lbs_cancel_association_work(priv);
1074 } else {
1075 assoc_req->mode = *uwrq;
1076 set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1077 lbs_postpone_association_work(priv);
1078 lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1079 }
1080 mutex_unlock(&priv->lock);
1081
1082 out:
1083 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1084 return ret;
1085 }
1086
1087
1088 /**
1089 * @brief Get Encryption key
1090 *
1091 * @param dev A pointer to net_device structure
1092 * @param info A pointer to iw_request_info structure
1093 * @param vwrq A pointer to iw_param structure
1094 * @param extra A pointer to extra data buf
1095 * @return 0 --success, otherwise fail
1096 */
1097 static int lbs_get_encode(struct net_device *dev,
1098 struct iw_request_info *info,
1099 struct iw_point *dwrq, u8 * extra)
1100 {
1101 struct lbs_private *priv = dev->priv;
1102 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1103
1104 lbs_deb_enter(LBS_DEB_WEXT);
1105
1106 lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1107 dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
1108
1109 dwrq->flags = 0;
1110
1111 /* Authentication method */
1112 switch (priv->secinfo.auth_mode) {
1113 case IW_AUTH_ALG_OPEN_SYSTEM:
1114 dwrq->flags = IW_ENCODE_OPEN;
1115 break;
1116
1117 case IW_AUTH_ALG_SHARED_KEY:
1118 case IW_AUTH_ALG_LEAP:
1119 dwrq->flags = IW_ENCODE_RESTRICTED;
1120 break;
1121 default:
1122 dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
1123 break;
1124 }
1125
1126 memset(extra, 0, 16);
1127
1128 mutex_lock(&priv->lock);
1129
1130 /* Default to returning current transmit key */
1131 if (index < 0)
1132 index = priv->wep_tx_keyidx;
1133
1134 if ((priv->wep_keys[index].len) && priv->secinfo.wep_enabled) {
1135 memcpy(extra, priv->wep_keys[index].key,
1136 priv->wep_keys[index].len);
1137 dwrq->length = priv->wep_keys[index].len;
1138
1139 dwrq->flags |= (index + 1);
1140 /* Return WEP enabled */
1141 dwrq->flags &= ~IW_ENCODE_DISABLED;
1142 } else if ((priv->secinfo.WPAenabled)
1143 || (priv->secinfo.WPA2enabled)) {
1144 /* return WPA enabled */
1145 dwrq->flags &= ~IW_ENCODE_DISABLED;
1146 dwrq->flags |= IW_ENCODE_NOKEY;
1147 } else {
1148 dwrq->flags |= IW_ENCODE_DISABLED;
1149 }
1150
1151 mutex_unlock(&priv->lock);
1152
1153 lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1154 extra[0], extra[1], extra[2],
1155 extra[3], extra[4], extra[5], dwrq->length);
1156
1157 lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1158
1159 lbs_deb_leave(LBS_DEB_WEXT);
1160 return 0;
1161 }
1162
1163 /**
1164 * @brief Set Encryption key (internal)
1165 *
1166 * @param priv A pointer to private card structure
1167 * @param key_material A pointer to key material
1168 * @param key_length length of key material
1169 * @param index key index to set
1170 * @param set_tx_key Force set TX key (1 = yes, 0 = no)
1171 * @return 0 --success, otherwise fail
1172 */
1173 static int lbs_set_wep_key(struct assoc_request *assoc_req,
1174 const char *key_material,
1175 u16 key_length,
1176 u16 index,
1177 int set_tx_key)
1178 {
1179 int ret = 0;
1180 struct enc_key *pkey;
1181
1182 lbs_deb_enter(LBS_DEB_WEXT);
1183
1184 /* Paranoid validation of key index */
1185 if (index > 3) {
1186 ret = -EINVAL;
1187 goto out;
1188 }
1189
1190 /* validate max key length */
1191 if (key_length > KEY_LEN_WEP_104) {
1192 ret = -EINVAL;
1193 goto out;
1194 }
1195
1196 pkey = &assoc_req->wep_keys[index];
1197
1198 if (key_length > 0) {
1199 memset(pkey, 0, sizeof(struct enc_key));
1200 pkey->type = KEY_TYPE_ID_WEP;
1201
1202 /* Standardize the key length */
1203 pkey->len = (key_length > KEY_LEN_WEP_40) ?
1204 KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
1205 memcpy(pkey->key, key_material, key_length);
1206 }
1207
1208 if (set_tx_key) {
1209 /* Ensure the chosen key is valid */
1210 if (!pkey->len) {
1211 lbs_deb_wext("key not set, so cannot enable it\n");
1212 ret = -EINVAL;
1213 goto out;
1214 }
1215 assoc_req->wep_tx_keyidx = index;
1216 }
1217
1218 assoc_req->secinfo.wep_enabled = 1;
1219
1220 out:
1221 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1222 return ret;
1223 }
1224
1225 static int validate_key_index(u16 def_index, u16 raw_index,
1226 u16 *out_index, u16 *is_default)
1227 {
1228 if (!out_index || !is_default)
1229 return -EINVAL;
1230
1231 /* Verify index if present, otherwise use default TX key index */
1232 if (raw_index > 0) {
1233 if (raw_index > 4)
1234 return -EINVAL;
1235 *out_index = raw_index - 1;
1236 } else {
1237 *out_index = def_index;
1238 *is_default = 1;
1239 }
1240 return 0;
1241 }
1242
1243 static void disable_wep(struct assoc_request *assoc_req)
1244 {
1245 int i;
1246
1247 lbs_deb_enter(LBS_DEB_WEXT);
1248
1249 /* Set Open System auth mode */
1250 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1251
1252 /* Clear WEP keys and mark WEP as disabled */
1253 assoc_req->secinfo.wep_enabled = 0;
1254 for (i = 0; i < 4; i++)
1255 assoc_req->wep_keys[i].len = 0;
1256
1257 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1258 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1259
1260 lbs_deb_leave(LBS_DEB_WEXT);
1261 }
1262
1263 static void disable_wpa(struct assoc_request *assoc_req)
1264 {
1265 lbs_deb_enter(LBS_DEB_WEXT);
1266
1267 memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1268 assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
1269 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1270
1271 memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1272 assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
1273 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1274
1275 assoc_req->secinfo.WPAenabled = 0;
1276 assoc_req->secinfo.WPA2enabled = 0;
1277 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1278
1279 lbs_deb_leave(LBS_DEB_WEXT);
1280 }
1281
1282 /**
1283 * @brief Set Encryption key
1284 *
1285 * @param dev A pointer to net_device structure
1286 * @param info A pointer to iw_request_info structure
1287 * @param vwrq A pointer to iw_param structure
1288 * @param extra A pointer to extra data buf
1289 * @return 0 --success, otherwise fail
1290 */
1291 static int lbs_set_encode(struct net_device *dev,
1292 struct iw_request_info *info,
1293 struct iw_point *dwrq, char *extra)
1294 {
1295 int ret = 0;
1296 struct lbs_private *priv = dev->priv;
1297 struct assoc_request * assoc_req;
1298 u16 is_default = 0, index = 0, set_tx_key = 0;
1299
1300 lbs_deb_enter(LBS_DEB_WEXT);
1301
1302 mutex_lock(&priv->lock);
1303 assoc_req = lbs_get_association_request(priv);
1304 if (!assoc_req) {
1305 ret = -ENOMEM;
1306 goto out;
1307 }
1308
1309 if (dwrq->flags & IW_ENCODE_DISABLED) {
1310 disable_wep (assoc_req);
1311 disable_wpa (assoc_req);
1312 goto out;
1313 }
1314
1315 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1316 (dwrq->flags & IW_ENCODE_INDEX),
1317 &index, &is_default);
1318 if (ret) {
1319 ret = -EINVAL;
1320 goto out;
1321 }
1322
1323 /* If WEP isn't enabled, or if there is no key data but a valid
1324 * index, set the TX key.
1325 */
1326 if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1327 set_tx_key = 1;
1328
1329 ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1330 if (ret)
1331 goto out;
1332
1333 if (dwrq->length)
1334 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1335 if (set_tx_key)
1336 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1337
1338 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1339 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1340 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1341 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1342 }
1343
1344 out:
1345 if (ret == 0) {
1346 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1347 lbs_postpone_association_work(priv);
1348 } else {
1349 lbs_cancel_association_work(priv);
1350 }
1351 mutex_unlock(&priv->lock);
1352
1353 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1354 return ret;
1355 }
1356
1357 /**
1358 * @brief Get Extended Encryption key (WPA/802.1x and WEP)
1359 *
1360 * @param dev A pointer to net_device structure
1361 * @param info A pointer to iw_request_info structure
1362 * @param vwrq A pointer to iw_param structure
1363 * @param extra A pointer to extra data buf
1364 * @return 0 on success, otherwise failure
1365 */
1366 static int lbs_get_encodeext(struct net_device *dev,
1367 struct iw_request_info *info,
1368 struct iw_point *dwrq,
1369 char *extra)
1370 {
1371 int ret = -EINVAL;
1372 struct lbs_private *priv = dev->priv;
1373 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1374 int index, max_key_len;
1375
1376 lbs_deb_enter(LBS_DEB_WEXT);
1377
1378 max_key_len = dwrq->length - sizeof(*ext);
1379 if (max_key_len < 0)
1380 goto out;
1381
1382 index = dwrq->flags & IW_ENCODE_INDEX;
1383 if (index) {
1384 if (index < 1 || index > 4)
1385 goto out;
1386 index--;
1387 } else {
1388 index = priv->wep_tx_keyidx;
1389 }
1390
1391 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1392 ext->alg != IW_ENCODE_ALG_WEP) {
1393 if (index != 0 || priv->mode != IW_MODE_INFRA)
1394 goto out;
1395 }
1396
1397 dwrq->flags = index + 1;
1398 memset(ext, 0, sizeof(*ext));
1399
1400 if ( !priv->secinfo.wep_enabled
1401 && !priv->secinfo.WPAenabled
1402 && !priv->secinfo.WPA2enabled) {
1403 ext->alg = IW_ENCODE_ALG_NONE;
1404 ext->key_len = 0;
1405 dwrq->flags |= IW_ENCODE_DISABLED;
1406 } else {
1407 u8 *key = NULL;
1408
1409 if ( priv->secinfo.wep_enabled
1410 && !priv->secinfo.WPAenabled
1411 && !priv->secinfo.WPA2enabled) {
1412 /* WEP */
1413 ext->alg = IW_ENCODE_ALG_WEP;
1414 ext->key_len = priv->wep_keys[index].len;
1415 key = &priv->wep_keys[index].key[0];
1416 } else if ( !priv->secinfo.wep_enabled
1417 && (priv->secinfo.WPAenabled ||
1418 priv->secinfo.WPA2enabled)) {
1419 /* WPA */
1420 struct enc_key * pkey = NULL;
1421
1422 if ( priv->wpa_mcast_key.len
1423 && (priv->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
1424 pkey = &priv->wpa_mcast_key;
1425 else if ( priv->wpa_unicast_key.len
1426 && (priv->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
1427 pkey = &priv->wpa_unicast_key;
1428
1429 if (pkey) {
1430 if (pkey->type == KEY_TYPE_ID_AES) {
1431 ext->alg = IW_ENCODE_ALG_CCMP;
1432 } else {
1433 ext->alg = IW_ENCODE_ALG_TKIP;
1434 }
1435 ext->key_len = pkey->len;
1436 key = &pkey->key[0];
1437 } else {
1438 ext->alg = IW_ENCODE_ALG_TKIP;
1439 ext->key_len = 0;
1440 }
1441 } else {
1442 goto out;
1443 }
1444
1445 if (ext->key_len > max_key_len) {
1446 ret = -E2BIG;
1447 goto out;
1448 }
1449
1450 if (ext->key_len)
1451 memcpy(ext->key, key, ext->key_len);
1452 else
1453 dwrq->flags |= IW_ENCODE_NOKEY;
1454 dwrq->flags |= IW_ENCODE_ENABLED;
1455 }
1456 ret = 0;
1457
1458 out:
1459 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1460 return ret;
1461 }
1462
1463 /**
1464 * @brief Set Encryption key Extended (WPA/802.1x and WEP)
1465 *
1466 * @param dev A pointer to net_device structure
1467 * @param info A pointer to iw_request_info structure
1468 * @param vwrq A pointer to iw_param structure
1469 * @param extra A pointer to extra data buf
1470 * @return 0 --success, otherwise fail
1471 */
1472 static int lbs_set_encodeext(struct net_device *dev,
1473 struct iw_request_info *info,
1474 struct iw_point *dwrq,
1475 char *extra)
1476 {
1477 int ret = 0;
1478 struct lbs_private *priv = dev->priv;
1479 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1480 int alg = ext->alg;
1481 struct assoc_request * assoc_req;
1482
1483 lbs_deb_enter(LBS_DEB_WEXT);
1484
1485 mutex_lock(&priv->lock);
1486 assoc_req = lbs_get_association_request(priv);
1487 if (!assoc_req) {
1488 ret = -ENOMEM;
1489 goto out;
1490 }
1491
1492 if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
1493 disable_wep (assoc_req);
1494 disable_wpa (assoc_req);
1495 } else if (alg == IW_ENCODE_ALG_WEP) {
1496 u16 is_default = 0, index, set_tx_key = 0;
1497
1498 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1499 (dwrq->flags & IW_ENCODE_INDEX),
1500 &index, &is_default);
1501 if (ret)
1502 goto out;
1503
1504 /* If WEP isn't enabled, or if there is no key data but a valid
1505 * index, or if the set-TX-key flag was passed, set the TX key.
1506 */
1507 if ( !assoc_req->secinfo.wep_enabled
1508 || (dwrq->length == 0 && !is_default)
1509 || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
1510 set_tx_key = 1;
1511
1512 /* Copy key to driver */
1513 ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1514 set_tx_key);
1515 if (ret)
1516 goto out;
1517
1518 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1519 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1520 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1521 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1522 }
1523
1524 /* Mark the various WEP bits as modified */
1525 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1526 if (dwrq->length)
1527 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1528 if (set_tx_key)
1529 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1530 } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1531 struct enc_key * pkey;
1532
1533 /* validate key length */
1534 if (((alg == IW_ENCODE_ALG_TKIP)
1535 && (ext->key_len != KEY_LEN_WPA_TKIP))
1536 || ((alg == IW_ENCODE_ALG_CCMP)
1537 && (ext->key_len != KEY_LEN_WPA_AES))) {
1538 lbs_deb_wext("invalid size %d for key of alg "
1539 "type %d\n",
1540 ext->key_len,
1541 alg);
1542 ret = -EINVAL;
1543 goto out;
1544 }
1545
1546 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1547 pkey = &assoc_req->wpa_mcast_key;
1548 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1549 } else {
1550 pkey = &assoc_req->wpa_unicast_key;
1551 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1552 }
1553
1554 memset(pkey, 0, sizeof (struct enc_key));
1555 memcpy(pkey->key, ext->key, ext->key_len);
1556 pkey->len = ext->key_len;
1557 if (pkey->len)
1558 pkey->flags |= KEY_INFO_WPA_ENABLED;
1559
1560 /* Do this after zeroing key structure */
1561 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1562 pkey->flags |= KEY_INFO_WPA_MCAST;
1563 } else {
1564 pkey->flags |= KEY_INFO_WPA_UNICAST;
1565 }
1566
1567 if (alg == IW_ENCODE_ALG_TKIP) {
1568 pkey->type = KEY_TYPE_ID_TKIP;
1569 } else if (alg == IW_ENCODE_ALG_CCMP) {
1570 pkey->type = KEY_TYPE_ID_AES;
1571 }
1572
1573 /* If WPA isn't enabled yet, do that now */
1574 if ( assoc_req->secinfo.WPAenabled == 0
1575 && assoc_req->secinfo.WPA2enabled == 0) {
1576 assoc_req->secinfo.WPAenabled = 1;
1577 assoc_req->secinfo.WPA2enabled = 1;
1578 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1579 }
1580
1581 disable_wep (assoc_req);
1582 }
1583
1584 out:
1585 if (ret == 0) {
1586 lbs_postpone_association_work(priv);
1587 } else {
1588 lbs_cancel_association_work(priv);
1589 }
1590 mutex_unlock(&priv->lock);
1591
1592 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1593 return ret;
1594 }
1595
1596
1597 static int lbs_set_genie(struct net_device *dev,
1598 struct iw_request_info *info,
1599 struct iw_point *dwrq,
1600 char *extra)
1601 {
1602 struct lbs_private *priv = dev->priv;
1603 int ret = 0;
1604 struct assoc_request * assoc_req;
1605
1606 lbs_deb_enter(LBS_DEB_WEXT);
1607
1608 mutex_lock(&priv->lock);
1609 assoc_req = lbs_get_association_request(priv);
1610 if (!assoc_req) {
1611 ret = -ENOMEM;
1612 goto out;
1613 }
1614
1615 if (dwrq->length > MAX_WPA_IE_LEN ||
1616 (dwrq->length && extra == NULL)) {
1617 ret = -EINVAL;
1618 goto out;
1619 }
1620
1621 if (dwrq->length) {
1622 memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
1623 assoc_req->wpa_ie_len = dwrq->length;
1624 } else {
1625 memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
1626 assoc_req->wpa_ie_len = 0;
1627 }
1628
1629 out:
1630 if (ret == 0) {
1631 set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1632 lbs_postpone_association_work(priv);
1633 } else {
1634 lbs_cancel_association_work(priv);
1635 }
1636 mutex_unlock(&priv->lock);
1637
1638 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1639 return ret;
1640 }
1641
1642 static int lbs_get_genie(struct net_device *dev,
1643 struct iw_request_info *info,
1644 struct iw_point *dwrq,
1645 char *extra)
1646 {
1647 int ret = 0;
1648 struct lbs_private *priv = dev->priv;
1649
1650 lbs_deb_enter(LBS_DEB_WEXT);
1651
1652 if (priv->wpa_ie_len == 0) {
1653 dwrq->length = 0;
1654 goto out;
1655 }
1656
1657 if (dwrq->length < priv->wpa_ie_len) {
1658 ret = -E2BIG;
1659 goto out;
1660 }
1661
1662 dwrq->length = priv->wpa_ie_len;
1663 memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
1664
1665 out:
1666 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1667 return ret;
1668 }
1669
1670
1671 static int lbs_set_auth(struct net_device *dev,
1672 struct iw_request_info *info,
1673 struct iw_param *dwrq,
1674 char *extra)
1675 {
1676 struct lbs_private *priv = dev->priv;
1677 struct assoc_request * assoc_req;
1678 int ret = 0;
1679 int updated = 0;
1680
1681 lbs_deb_enter(LBS_DEB_WEXT);
1682
1683 mutex_lock(&priv->lock);
1684 assoc_req = lbs_get_association_request(priv);
1685 if (!assoc_req) {
1686 ret = -ENOMEM;
1687 goto out;
1688 }
1689
1690 switch (dwrq->flags & IW_AUTH_INDEX) {
1691 case IW_AUTH_TKIP_COUNTERMEASURES:
1692 case IW_AUTH_CIPHER_PAIRWISE:
1693 case IW_AUTH_CIPHER_GROUP:
1694 case IW_AUTH_KEY_MGMT:
1695 case IW_AUTH_DROP_UNENCRYPTED:
1696 /*
1697 * libertas does not use these parameters
1698 */
1699 break;
1700
1701 case IW_AUTH_WPA_VERSION:
1702 if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
1703 assoc_req->secinfo.WPAenabled = 0;
1704 assoc_req->secinfo.WPA2enabled = 0;
1705 disable_wpa (assoc_req);
1706 }
1707 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
1708 assoc_req->secinfo.WPAenabled = 1;
1709 assoc_req->secinfo.wep_enabled = 0;
1710 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1711 }
1712 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
1713 assoc_req->secinfo.WPA2enabled = 1;
1714 assoc_req->secinfo.wep_enabled = 0;
1715 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1716 }
1717 updated = 1;
1718 break;
1719
1720 case IW_AUTH_80211_AUTH_ALG:
1721 if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1722 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1723 } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1724 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1725 } else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1726 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1727 } else {
1728 ret = -EINVAL;
1729 }
1730 updated = 1;
1731 break;
1732
1733 case IW_AUTH_WPA_ENABLED:
1734 if (dwrq->value) {
1735 if (!assoc_req->secinfo.WPAenabled &&
1736 !assoc_req->secinfo.WPA2enabled) {
1737 assoc_req->secinfo.WPAenabled = 1;
1738 assoc_req->secinfo.WPA2enabled = 1;
1739 assoc_req->secinfo.wep_enabled = 0;
1740 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1741 }
1742 } else {
1743 assoc_req->secinfo.WPAenabled = 0;
1744 assoc_req->secinfo.WPA2enabled = 0;
1745 disable_wpa (assoc_req);
1746 }
1747 updated = 1;
1748 break;
1749
1750 default:
1751 ret = -EOPNOTSUPP;
1752 break;
1753 }
1754
1755 out:
1756 if (ret == 0) {
1757 if (updated)
1758 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1759 lbs_postpone_association_work(priv);
1760 } else if (ret != -EOPNOTSUPP) {
1761 lbs_cancel_association_work(priv);
1762 }
1763 mutex_unlock(&priv->lock);
1764
1765 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1766 return ret;
1767 }
1768
1769 static int lbs_get_auth(struct net_device *dev,
1770 struct iw_request_info *info,
1771 struct iw_param *dwrq,
1772 char *extra)
1773 {
1774 int ret = 0;
1775 struct lbs_private *priv = dev->priv;
1776
1777 lbs_deb_enter(LBS_DEB_WEXT);
1778
1779 switch (dwrq->flags & IW_AUTH_INDEX) {
1780 case IW_AUTH_WPA_VERSION:
1781 dwrq->value = 0;
1782 if (priv->secinfo.WPAenabled)
1783 dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1784 if (priv->secinfo.WPA2enabled)
1785 dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
1786 if (!dwrq->value)
1787 dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
1788 break;
1789
1790 case IW_AUTH_80211_AUTH_ALG:
1791 dwrq->value = priv->secinfo.auth_mode;
1792 break;
1793
1794 case IW_AUTH_WPA_ENABLED:
1795 if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
1796 dwrq->value = 1;
1797 break;
1798
1799 default:
1800 ret = -EOPNOTSUPP;
1801 }
1802
1803 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1804 return ret;
1805 }
1806
1807
1808 static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1809 struct iw_param *vwrq, char *extra)
1810 {
1811 int ret = 0;
1812 struct lbs_private *priv = dev->priv;
1813 s16 dbm = (s16) vwrq->value;
1814
1815 lbs_deb_enter(LBS_DEB_WEXT);
1816
1817 if (vwrq->disabled) {
1818 lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 0);
1819 goto out;
1820 }
1821
1822 if (vwrq->fixed == 0) {
1823 /* Auto power control */
1824 dbm = priv->txpower_max;
1825 } else {
1826 /* Userspace check in iwrange if it should use dBm or mW,
1827 * therefore this should never happen... Jean II */
1828 if ((vwrq->flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) {
1829 ret = -EOPNOTSUPP;
1830 goto out;
1831 }
1832
1833 /* Validate requested power level against firmware allowed levels */
1834 if (priv->txpower_min && (dbm < priv->txpower_min)) {
1835 ret = -EINVAL;
1836 goto out;
1837 }
1838
1839 if (priv->txpower_max && (dbm > priv->txpower_max)) {
1840 ret = -EINVAL;
1841 goto out;
1842 }
1843 }
1844
1845 /* If the radio was off, turn it on */
1846 if (!priv->radio_on) {
1847 ret = lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 1);
1848 if (ret)
1849 goto out;
1850 }
1851
1852 lbs_deb_wext("txpower set %d dBm\n", dbm);
1853
1854 ret = lbs_set_tx_power(priv, dbm);
1855
1856 out:
1857 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1858 return ret;
1859 }
1860
1861 static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
1862 struct iw_point *dwrq, char *extra)
1863 {
1864 struct lbs_private *priv = dev->priv;
1865
1866 lbs_deb_enter(LBS_DEB_WEXT);
1867
1868 /*
1869 * Note : if dwrq->flags != 0, we should get the relevant SSID from
1870 * the SSID list...
1871 */
1872
1873 /*
1874 * Get the current SSID
1875 */
1876 if (priv->connect_status == LBS_CONNECTED) {
1877 memcpy(extra, priv->curbssparams.ssid,
1878 priv->curbssparams.ssid_len);
1879 extra[priv->curbssparams.ssid_len] = '\0';
1880 } else {
1881 memset(extra, 0, 32);
1882 extra[priv->curbssparams.ssid_len] = '\0';
1883 }
1884 /*
1885 * If none, we may want to get the one that was set
1886 */
1887
1888 dwrq->length = priv->curbssparams.ssid_len;
1889
1890 dwrq->flags = 1; /* active */
1891
1892 lbs_deb_leave(LBS_DEB_WEXT);
1893 return 0;
1894 }
1895
1896 static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
1897 struct iw_point *dwrq, char *extra)
1898 {
1899 struct lbs_private *priv = dev->priv;
1900 int ret = 0;
1901 u8 ssid[IW_ESSID_MAX_SIZE];
1902 u8 ssid_len = 0;
1903 struct assoc_request * assoc_req;
1904 int in_ssid_len = dwrq->length;
1905
1906 lbs_deb_enter(LBS_DEB_WEXT);
1907
1908 if (!priv->radio_on) {
1909 ret = -EINVAL;
1910 goto out;
1911 }
1912
1913 /* Check the size of the string */
1914 if (in_ssid_len > IW_ESSID_MAX_SIZE) {
1915 ret = -E2BIG;
1916 goto out;
1917 }
1918
1919 memset(&ssid, 0, sizeof(ssid));
1920
1921 if (!dwrq->flags || !in_ssid_len) {
1922 /* "any" SSID requested; leave SSID blank */
1923 } else {
1924 /* Specific SSID requested */
1925 memcpy(&ssid, extra, in_ssid_len);
1926 ssid_len = in_ssid_len;
1927 }
1928
1929 if (!ssid_len) {
1930 lbs_deb_wext("requested any SSID\n");
1931 } else {
1932 lbs_deb_wext("requested SSID '%s'\n",
1933 escape_essid(ssid, ssid_len));
1934 }
1935
1936 out:
1937 mutex_lock(&priv->lock);
1938 if (ret == 0) {
1939 /* Get or create the current association request */
1940 assoc_req = lbs_get_association_request(priv);
1941 if (!assoc_req) {
1942 ret = -ENOMEM;
1943 } else {
1944 /* Copy the SSID to the association request */
1945 memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
1946 assoc_req->ssid_len = ssid_len;
1947 set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
1948 lbs_postpone_association_work(priv);
1949 }
1950 }
1951
1952 /* Cancel the association request if there was an error */
1953 if (ret != 0) {
1954 lbs_cancel_association_work(priv);
1955 }
1956
1957 mutex_unlock(&priv->lock);
1958
1959 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1960 return ret;
1961 }
1962
1963 static int lbs_mesh_get_essid(struct net_device *dev,
1964 struct iw_request_info *info,
1965 struct iw_point *dwrq, char *extra)
1966 {
1967 struct lbs_private *priv = dev->priv;
1968
1969 lbs_deb_enter(LBS_DEB_WEXT);
1970
1971 memcpy(extra, priv->mesh_ssid, priv->mesh_ssid_len);
1972
1973 dwrq->length = priv->mesh_ssid_len;
1974
1975 dwrq->flags = 1; /* active */
1976
1977 lbs_deb_leave(LBS_DEB_WEXT);
1978 return 0;
1979 }
1980
1981 static int lbs_mesh_set_essid(struct net_device *dev,
1982 struct iw_request_info *info,
1983 struct iw_point *dwrq, char *extra)
1984 {
1985 struct lbs_private *priv = dev->priv;
1986 int ret = 0;
1987
1988 lbs_deb_enter(LBS_DEB_WEXT);
1989
1990 if (!priv->radio_on) {
1991 ret = -EINVAL;
1992 goto out;
1993 }
1994
1995 /* Check the size of the string */
1996 if (dwrq->length > IW_ESSID_MAX_SIZE) {
1997 ret = -E2BIG;
1998 goto out;
1999 }
2000
2001 if (!dwrq->flags || !dwrq->length) {
2002 ret = -EINVAL;
2003 goto out;
2004 } else {
2005 /* Specific SSID requested */
2006 memcpy(priv->mesh_ssid, extra, dwrq->length);
2007 priv->mesh_ssid_len = dwrq->length;
2008 }
2009
2010 lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
2011 priv->curbssparams.channel);
2012 out:
2013 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2014 return ret;
2015 }
2016
2017 /**
2018 * @brief Connect to the AP or Ad-hoc Network with specific bssid
2019 *
2020 * @param dev A pointer to net_device structure
2021 * @param info A pointer to iw_request_info structure
2022 * @param awrq A pointer to iw_param structure
2023 * @param extra A pointer to extra data buf
2024 * @return 0 --success, otherwise fail
2025 */
2026 static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
2027 struct sockaddr *awrq, char *extra)
2028 {
2029 struct lbs_private *priv = dev->priv;
2030 struct assoc_request * assoc_req;
2031 int ret = 0;
2032 DECLARE_MAC_BUF(mac);
2033
2034 lbs_deb_enter(LBS_DEB_WEXT);
2035
2036 if (!priv->radio_on)
2037 return -EINVAL;
2038
2039 if (awrq->sa_family != ARPHRD_ETHER)
2040 return -EINVAL;
2041
2042 lbs_deb_wext("ASSOC: WAP: sa_data %s\n", print_mac(mac, awrq->sa_data));
2043
2044 mutex_lock(&priv->lock);
2045
2046 /* Get or create the current association request */
2047 assoc_req = lbs_get_association_request(priv);
2048 if (!assoc_req) {
2049 lbs_cancel_association_work(priv);
2050 ret = -ENOMEM;
2051 } else {
2052 /* Copy the BSSID to the association request */
2053 memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
2054 set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
2055 lbs_postpone_association_work(priv);
2056 }
2057
2058 mutex_unlock(&priv->lock);
2059
2060 return ret;
2061 }
2062
2063 /*
2064 * iwconfig settable callbacks
2065 */
2066 static const iw_handler lbs_handler[] = {
2067 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2068 (iw_handler) lbs_get_name, /* SIOCGIWNAME */
2069 (iw_handler) NULL, /* SIOCSIWNWID */
2070 (iw_handler) NULL, /* SIOCGIWNWID */
2071 (iw_handler) lbs_set_freq, /* SIOCSIWFREQ */
2072 (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
2073 (iw_handler) lbs_set_mode, /* SIOCSIWMODE */
2074 (iw_handler) lbs_get_mode, /* SIOCGIWMODE */
2075 (iw_handler) NULL, /* SIOCSIWSENS */
2076 (iw_handler) NULL, /* SIOCGIWSENS */
2077 (iw_handler) NULL, /* SIOCSIWRANGE */
2078 (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
2079 (iw_handler) NULL, /* SIOCSIWPRIV */
2080 (iw_handler) NULL, /* SIOCGIWPRIV */
2081 (iw_handler) NULL, /* SIOCSIWSTATS */
2082 (iw_handler) NULL, /* SIOCGIWSTATS */
2083 iw_handler_set_spy, /* SIOCSIWSPY */
2084 iw_handler_get_spy, /* SIOCGIWSPY */
2085 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2086 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2087 (iw_handler) lbs_set_wap, /* SIOCSIWAP */
2088 (iw_handler) lbs_get_wap, /* SIOCGIWAP */
2089 (iw_handler) NULL, /* SIOCSIWMLME */
2090 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2091 (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
2092 (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
2093 (iw_handler) lbs_set_essid, /* SIOCSIWESSID */
2094 (iw_handler) lbs_get_essid, /* SIOCGIWESSID */
2095 (iw_handler) lbs_set_nick, /* SIOCSIWNICKN */
2096 (iw_handler) lbs_get_nick, /* SIOCGIWNICKN */
2097 (iw_handler) NULL, /* -- hole -- */
2098 (iw_handler) NULL, /* -- hole -- */
2099 (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
2100 (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
2101 (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
2102 (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
2103 (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
2104 (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
2105 (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
2106 (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
2107 (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
2108 (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
2109 (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
2110 (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
2111 (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
2112 (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
2113 (iw_handler) NULL, /* -- hole -- */
2114 (iw_handler) NULL, /* -- hole -- */
2115 (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
2116 (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
2117 (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
2118 (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
2119 (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2120 (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2121 (iw_handler) NULL, /* SIOCSIWPMKSA */
2122 };
2123
2124 static const iw_handler mesh_wlan_handler[] = {
2125 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2126 (iw_handler) lbs_get_name, /* SIOCGIWNAME */
2127 (iw_handler) NULL, /* SIOCSIWNWID */
2128 (iw_handler) NULL, /* SIOCGIWNWID */
2129 (iw_handler) lbs_mesh_set_freq, /* SIOCSIWFREQ */
2130 (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
2131 (iw_handler) NULL, /* SIOCSIWMODE */
2132 (iw_handler) mesh_wlan_get_mode, /* SIOCGIWMODE */
2133 (iw_handler) NULL, /* SIOCSIWSENS */
2134 (iw_handler) NULL, /* SIOCGIWSENS */
2135 (iw_handler) NULL, /* SIOCSIWRANGE */
2136 (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
2137 (iw_handler) NULL, /* SIOCSIWPRIV */
2138 (iw_handler) NULL, /* SIOCGIWPRIV */
2139 (iw_handler) NULL, /* SIOCSIWSTATS */
2140 (iw_handler) NULL, /* SIOCGIWSTATS */
2141 iw_handler_set_spy, /* SIOCSIWSPY */
2142 iw_handler_get_spy, /* SIOCGIWSPY */
2143 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2144 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2145 (iw_handler) NULL, /* SIOCSIWAP */
2146 (iw_handler) NULL, /* SIOCGIWAP */
2147 (iw_handler) NULL, /* SIOCSIWMLME */
2148 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2149 (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
2150 (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
2151 (iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
2152 (iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
2153 (iw_handler) NULL, /* SIOCSIWNICKN */
2154 (iw_handler) mesh_get_nick, /* SIOCGIWNICKN */
2155 (iw_handler) NULL, /* -- hole -- */
2156 (iw_handler) NULL, /* -- hole -- */
2157 (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
2158 (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
2159 (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
2160 (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
2161 (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
2162 (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
2163 (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
2164 (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
2165 (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
2166 (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
2167 (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
2168 (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
2169 (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
2170 (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
2171 (iw_handler) NULL, /* -- hole -- */
2172 (iw_handler) NULL, /* -- hole -- */
2173 (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
2174 (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
2175 (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
2176 (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
2177 (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2178 (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2179 (iw_handler) NULL, /* SIOCSIWPMKSA */
2180 };
2181 struct iw_handler_def lbs_handler_def = {
2182 .num_standard = ARRAY_SIZE(lbs_handler),
2183 .standard = (iw_handler *) lbs_handler,
2184 .get_wireless_stats = lbs_get_wireless_stats,
2185 };
2186
2187 struct iw_handler_def mesh_handler_def = {
2188 .num_standard = ARRAY_SIZE(mesh_wlan_handler),
2189 .standard = (iw_handler *) mesh_wlan_handler,
2190 .get_wireless_stats = lbs_get_wireless_stats,
2191 };
Support for the Chinese Samsung S3C2440 based development boards