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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy...
[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / libertas / 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
23
24 /**
25 * the rates supported by the card
26 */
27 static u8 libertas_wlan_data_rates[WLAN_SUPPORTED_RATES] =
28 { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12,
29 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00
30 };
31
32 /**
33 * @brief Convert mw value to dbm value
34 *
35 * @param mw the value of mw
36 * @return the value of dbm
37 */
38 static int mw_to_dbm(int mw)
39 {
40 if (mw < 2)
41 return 0;
42 else if (mw < 3)
43 return 3;
44 else if (mw < 4)
45 return 5;
46 else if (mw < 6)
47 return 7;
48 else if (mw < 7)
49 return 8;
50 else if (mw < 8)
51 return 9;
52 else if (mw < 10)
53 return 10;
54 else if (mw < 13)
55 return 11;
56 else if (mw < 16)
57 return 12;
58 else if (mw < 20)
59 return 13;
60 else if (mw < 25)
61 return 14;
62 else if (mw < 32)
63 return 15;
64 else if (mw < 40)
65 return 16;
66 else if (mw < 50)
67 return 17;
68 else if (mw < 63)
69 return 18;
70 else if (mw < 79)
71 return 19;
72 else if (mw < 100)
73 return 20;
74 else
75 return 21;
76 }
77
78 /**
79 * @brief Find the channel frequency power info with specific channel
80 *
81 * @param adapter A pointer to wlan_adapter structure
82 * @param band it can be BAND_A, BAND_G or BAND_B
83 * @param channel the channel for looking
84 * @return A pointer to struct chan_freq_power structure or NULL if not find.
85 */
86 struct chan_freq_power *libertas_find_cfp_by_band_and_channel(wlan_adapter * adapter,
87 u8 band, u16 channel)
88 {
89 struct chan_freq_power *cfp = NULL;
90 struct region_channel *rc;
91 int count = sizeof(adapter->region_channel) /
92 sizeof(adapter->region_channel[0]);
93 int i, j;
94
95 for (j = 0; !cfp && (j < count); j++) {
96 rc = &adapter->region_channel[j];
97
98 if (adapter->enable11d)
99 rc = &adapter->universal_channel[j];
100 if (!rc->valid || !rc->CFP)
101 continue;
102 if (rc->band != band)
103 continue;
104 for (i = 0; i < rc->nrcfp; i++) {
105 if (rc->CFP[i].channel == channel) {
106 cfp = &rc->CFP[i];
107 break;
108 }
109 }
110 }
111
112 if (!cfp && channel)
113 lbs_deb_wext("libertas_find_cfp_by_band_and_channel: can't find "
114 "cfp by band %d / channel %d\n", band, channel);
115
116 return cfp;
117 }
118
119 /**
120 * @brief Find the channel frequency power info with specific frequency
121 *
122 * @param adapter A pointer to wlan_adapter structure
123 * @param band it can be BAND_A, BAND_G or BAND_B
124 * @param freq the frequency for looking
125 * @return A pointer to struct chan_freq_power structure or NULL if not find.
126 */
127 static struct chan_freq_power *find_cfp_by_band_and_freq(wlan_adapter * adapter,
128 u8 band, u32 freq)
129 {
130 struct chan_freq_power *cfp = NULL;
131 struct region_channel *rc;
132 int count = sizeof(adapter->region_channel) /
133 sizeof(adapter->region_channel[0]);
134 int i, j;
135
136 for (j = 0; !cfp && (j < count); j++) {
137 rc = &adapter->region_channel[j];
138
139 if (adapter->enable11d)
140 rc = &adapter->universal_channel[j];
141 if (!rc->valid || !rc->CFP)
142 continue;
143 if (rc->band != band)
144 continue;
145 for (i = 0; i < rc->nrcfp; i++) {
146 if (rc->CFP[i].freq == freq) {
147 cfp = &rc->CFP[i];
148 break;
149 }
150 }
151 }
152
153 if (!cfp && freq)
154 lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by "
155 "band %d / freq %d\n", band, freq);
156
157 return cfp;
158 }
159
160
161 /**
162 * @brief Set Radio On/OFF
163 *
164 * @param priv A pointer to wlan_private structure
165 * @option Radio Option
166 * @return 0 --success, otherwise fail
167 */
168 int wlan_radio_ioctl(wlan_private * priv, u8 option)
169 {
170 int ret = 0;
171 wlan_adapter *adapter = priv->adapter;
172
173 lbs_deb_enter(LBS_DEB_WEXT);
174
175 if (adapter->radioon != option) {
176 lbs_deb_wext("switching radio %s\n", option ? "on" : "off");
177 adapter->radioon = option;
178
179 ret = libertas_prepare_and_send_command(priv,
180 cmd_802_11_radio_control,
181 cmd_act_set,
182 cmd_option_waitforrsp, 0, NULL);
183 }
184
185 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
186 return ret;
187 }
188
189 /**
190 * @brief Copy rates
191 *
192 * @param dest A pointer to Dest Buf
193 * @param src A pointer to Src Buf
194 * @param len The len of Src Buf
195 * @return Number of rates copyed
196 */
197 static inline int copyrates(u8 * dest, int pos, u8 * src, int len)
198 {
199 int i;
200
201 for (i = 0; i < len && src[i]; i++, pos++) {
202 if (pos >= sizeof(u8) * WLAN_SUPPORTED_RATES)
203 break;
204 dest[pos] = src[i];
205 }
206
207 return pos;
208 }
209
210 /**
211 * @brief Get active data rates
212 *
213 * @param adapter A pointer to wlan_adapter structure
214 * @param rate The buf to return the active rates
215 * @return The number of rates
216 */
217 static int get_active_data_rates(wlan_adapter * adapter,
218 u8* rates)
219 {
220 int k = 0;
221
222 lbs_deb_enter(LBS_DEB_WEXT);
223
224 if (adapter->connect_status != libertas_connected) {
225 if (adapter->mode == IW_MODE_INFRA) {
226 lbs_deb_wext("infra\n");
227 k = copyrates(rates, k, libertas_supported_rates,
228 sizeof(libertas_supported_rates));
229 } else {
230 lbs_deb_wext("Adhoc G\n");
231 k = copyrates(rates, k, libertas_adhoc_rates_g,
232 sizeof(libertas_adhoc_rates_g));
233 }
234 } else {
235 k = copyrates(rates, 0, adapter->curbssparams.datarates,
236 adapter->curbssparams.numofrates);
237 }
238
239 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", k);
240 return k;
241 }
242
243 static int wlan_get_name(struct net_device *dev, struct iw_request_info *info,
244 char *cwrq, char *extra)
245 {
246 const char *cp;
247 char comm[6] = { "COMM-" };
248 char mrvl[6] = { "MRVL-" };
249 int cnt;
250
251 lbs_deb_enter(LBS_DEB_WEXT);
252
253 strcpy(cwrq, mrvl);
254
255 cp = strstr(libertas_driver_version, comm);
256 if (cp == libertas_driver_version) //skip leading "COMM-"
257 cp = libertas_driver_version + strlen(comm);
258 else
259 cp = libertas_driver_version;
260
261 cnt = strlen(mrvl);
262 cwrq += cnt;
263 while (cnt < 16 && (*cp != '-')) {
264 *cwrq++ = toupper(*cp++);
265 cnt++;
266 }
267 *cwrq = '\0';
268
269 lbs_deb_leave(LBS_DEB_WEXT);
270 return 0;
271 }
272
273 static int wlan_get_freq(struct net_device *dev, struct iw_request_info *info,
274 struct iw_freq *fwrq, char *extra)
275 {
276 wlan_private *priv = dev->priv;
277 wlan_adapter *adapter = priv->adapter;
278 struct chan_freq_power *cfp;
279
280 lbs_deb_enter(LBS_DEB_WEXT);
281
282 cfp = libertas_find_cfp_by_band_and_channel(adapter, 0,
283 adapter->curbssparams.channel);
284
285 if (!cfp) {
286 if (adapter->curbssparams.channel)
287 lbs_deb_wext("invalid channel %d\n",
288 adapter->curbssparams.channel);
289 return -EINVAL;
290 }
291
292 fwrq->m = (long)cfp->freq * 100000;
293 fwrq->e = 1;
294
295 lbs_deb_wext("freq %u\n", fwrq->m);
296 lbs_deb_leave(LBS_DEB_WEXT);
297 return 0;
298 }
299
300 static int wlan_get_wap(struct net_device *dev, struct iw_request_info *info,
301 struct sockaddr *awrq, char *extra)
302 {
303 wlan_private *priv = dev->priv;
304 wlan_adapter *adapter = priv->adapter;
305
306 lbs_deb_enter(LBS_DEB_WEXT);
307
308 if (adapter->connect_status == libertas_connected) {
309 memcpy(awrq->sa_data, adapter->curbssparams.bssid, ETH_ALEN);
310 } else {
311 memset(awrq->sa_data, 0, ETH_ALEN);
312 }
313 awrq->sa_family = ARPHRD_ETHER;
314
315 lbs_deb_leave(LBS_DEB_WEXT);
316 return 0;
317 }
318
319 static int wlan_set_nick(struct net_device *dev, struct iw_request_info *info,
320 struct iw_point *dwrq, char *extra)
321 {
322 wlan_private *priv = dev->priv;
323 wlan_adapter *adapter = priv->adapter;
324
325 lbs_deb_enter(LBS_DEB_WEXT);
326
327 /*
328 * Check the size of the string
329 */
330
331 if (dwrq->length > 16) {
332 return -E2BIG;
333 }
334
335 mutex_lock(&adapter->lock);
336 memset(adapter->nodename, 0, sizeof(adapter->nodename));
337 memcpy(adapter->nodename, extra, dwrq->length);
338 mutex_unlock(&adapter->lock);
339
340 lbs_deb_leave(LBS_DEB_WEXT);
341 return 0;
342 }
343
344 static int wlan_get_nick(struct net_device *dev, struct iw_request_info *info,
345 struct iw_point *dwrq, char *extra)
346 {
347 wlan_private *priv = dev->priv;
348 wlan_adapter *adapter = priv->adapter;
349
350 lbs_deb_enter(LBS_DEB_WEXT);
351
352 /*
353 * Get the Nick Name saved
354 */
355
356 mutex_lock(&adapter->lock);
357 strncpy(extra, adapter->nodename, 16);
358 mutex_unlock(&adapter->lock);
359
360 extra[16] = '\0';
361
362 /*
363 * If none, we may want to get the one that was set
364 */
365
366 /*
367 * Push it out !
368 */
369 dwrq->length = strlen(extra) + 1;
370
371 lbs_deb_leave(LBS_DEB_WEXT);
372 return 0;
373 }
374
375 static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info,
376 struct iw_point *dwrq, char *extra)
377 {
378 wlan_private *priv = dev->priv;
379 wlan_adapter *adapter = priv->adapter;
380
381 lbs_deb_enter(LBS_DEB_WEXT);
382
383 /* Use nickname to indicate that mesh is on */
384
385 if (adapter->connect_status == libertas_connected) {
386 strncpy(extra, "Mesh", 12);
387 extra[12] = '\0';
388 dwrq->length = strlen(extra) + 1;
389 }
390
391 else {
392 extra[0] = '\0';
393 dwrq->length = 1 ;
394 }
395
396 lbs_deb_leave(LBS_DEB_WEXT);
397 return 0;
398 }
399 static int wlan_set_rts(struct net_device *dev, struct iw_request_info *info,
400 struct iw_param *vwrq, char *extra)
401 {
402 int ret = 0;
403 wlan_private *priv = dev->priv;
404 wlan_adapter *adapter = priv->adapter;
405 u32 rthr = vwrq->value;
406
407 lbs_deb_enter(LBS_DEB_WEXT);
408
409 if (vwrq->disabled) {
410 adapter->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE;
411 } else {
412 if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE)
413 return -EINVAL;
414 adapter->rtsthsd = rthr;
415 }
416
417 ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
418 cmd_act_set, cmd_option_waitforrsp,
419 OID_802_11_RTS_THRESHOLD, &rthr);
420
421 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
422 return ret;
423 }
424
425 static int wlan_get_rts(struct net_device *dev, struct iw_request_info *info,
426 struct iw_param *vwrq, char *extra)
427 {
428 int ret = 0;
429 wlan_private *priv = dev->priv;
430 wlan_adapter *adapter = priv->adapter;
431
432 lbs_deb_enter(LBS_DEB_WEXT);
433
434 adapter->rtsthsd = 0;
435 ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
436 cmd_act_get, cmd_option_waitforrsp,
437 OID_802_11_RTS_THRESHOLD, NULL);
438 if (ret)
439 goto out;
440
441 vwrq->value = adapter->rtsthsd;
442 vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE)
443 || (vwrq->value > MRVDRV_RTS_MAX_VALUE));
444 vwrq->fixed = 1;
445
446 out:
447 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
448 return ret;
449 }
450
451 static int wlan_set_frag(struct net_device *dev, struct iw_request_info *info,
452 struct iw_param *vwrq, char *extra)
453 {
454 int ret = 0;
455 u32 fthr = vwrq->value;
456 wlan_private *priv = dev->priv;
457 wlan_adapter *adapter = priv->adapter;
458
459 lbs_deb_enter(LBS_DEB_WEXT);
460
461 if (vwrq->disabled) {
462 adapter->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE;
463 } else {
464 if (fthr < MRVDRV_FRAG_MIN_VALUE
465 || fthr > MRVDRV_FRAG_MAX_VALUE)
466 return -EINVAL;
467 adapter->fragthsd = fthr;
468 }
469
470 ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
471 cmd_act_set, cmd_option_waitforrsp,
472 OID_802_11_FRAGMENTATION_THRESHOLD, &fthr);
473
474 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
475 return ret;
476 }
477
478 static int wlan_get_frag(struct net_device *dev, struct iw_request_info *info,
479 struct iw_param *vwrq, char *extra)
480 {
481 int ret = 0;
482 wlan_private *priv = dev->priv;
483 wlan_adapter *adapter = priv->adapter;
484
485 lbs_deb_enter(LBS_DEB_WEXT);
486
487 adapter->fragthsd = 0;
488 ret = libertas_prepare_and_send_command(priv,
489 cmd_802_11_snmp_mib,
490 cmd_act_get, cmd_option_waitforrsp,
491 OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
492 if (ret)
493 goto out;
494
495 vwrq->value = adapter->fragthsd;
496 vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE)
497 || (vwrq->value > MRVDRV_FRAG_MAX_VALUE));
498 vwrq->fixed = 1;
499
500 out:
501 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
502 return ret;
503 }
504
505 static int wlan_get_mode(struct net_device *dev,
506 struct iw_request_info *info, u32 * uwrq, char *extra)
507 {
508 wlan_private *priv = dev->priv;
509 wlan_adapter *adapter = priv->adapter;
510
511 lbs_deb_enter(LBS_DEB_WEXT);
512
513 *uwrq = adapter->mode;
514
515 lbs_deb_leave(LBS_DEB_WEXT);
516 return 0;
517 }
518
519 static int mesh_wlan_get_mode(struct net_device *dev,
520 struct iw_request_info *info, u32 * uwrq,
521 char *extra)
522 {
523 lbs_deb_enter(LBS_DEB_WEXT);
524
525 *uwrq = IW_MODE_REPEAT ;
526
527 lbs_deb_leave(LBS_DEB_WEXT);
528 return 0;
529 }
530
531 static int wlan_get_txpow(struct net_device *dev,
532 struct iw_request_info *info,
533 struct iw_param *vwrq, char *extra)
534 {
535 int ret = 0;
536 wlan_private *priv = dev->priv;
537 wlan_adapter *adapter = priv->adapter;
538
539 lbs_deb_enter(LBS_DEB_WEXT);
540
541 ret = libertas_prepare_and_send_command(priv,
542 cmd_802_11_rf_tx_power,
543 cmd_act_tx_power_opt_get,
544 cmd_option_waitforrsp, 0, NULL);
545
546 if (ret)
547 goto out;
548
549 lbs_deb_wext("tx power level %d dbm\n", adapter->txpowerlevel);
550 vwrq->value = adapter->txpowerlevel;
551 vwrq->fixed = 1;
552 if (adapter->radioon) {
553 vwrq->disabled = 0;
554 vwrq->flags = IW_TXPOW_DBM;
555 } else {
556 vwrq->disabled = 1;
557 }
558
559 out:
560 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
561 return ret;
562 }
563
564 static int wlan_set_retry(struct net_device *dev, struct iw_request_info *info,
565 struct iw_param *vwrq, char *extra)
566 {
567 int ret = 0;
568 wlan_private *priv = dev->priv;
569 wlan_adapter *adapter = priv->adapter;
570
571 lbs_deb_enter(LBS_DEB_WEXT);
572
573 if (vwrq->flags == IW_RETRY_LIMIT) {
574 /* The MAC has a 4-bit Total_Tx_Count register
575 Total_Tx_Count = 1 + Tx_Retry_Count */
576 #define TX_RETRY_MIN 0
577 #define TX_RETRY_MAX 14
578 if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
579 return -EINVAL;
580
581 /* Adding 1 to convert retry count to try count */
582 adapter->txretrycount = vwrq->value + 1;
583
584 ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
585 cmd_act_set,
586 cmd_option_waitforrsp,
587 OID_802_11_TX_RETRYCOUNT, NULL);
588
589 if (ret)
590 goto out;
591 } else {
592 return -EOPNOTSUPP;
593 }
594
595 out:
596 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
597 return ret;
598 }
599
600 static int wlan_get_retry(struct net_device *dev, struct iw_request_info *info,
601 struct iw_param *vwrq, char *extra)
602 {
603 wlan_private *priv = dev->priv;
604 wlan_adapter *adapter = priv->adapter;
605 int ret = 0;
606
607 lbs_deb_enter(LBS_DEB_WEXT);
608
609 adapter->txretrycount = 0;
610 ret = libertas_prepare_and_send_command(priv,
611 cmd_802_11_snmp_mib,
612 cmd_act_get, cmd_option_waitforrsp,
613 OID_802_11_TX_RETRYCOUNT, NULL);
614 if (ret)
615 goto out;
616
617 vwrq->disabled = 0;
618 if (!vwrq->flags) {
619 vwrq->flags = IW_RETRY_LIMIT;
620 /* Subtract 1 to convert try count to retry count */
621 vwrq->value = adapter->txretrycount - 1;
622 }
623
624 out:
625 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
626 return ret;
627 }
628
629 static inline void sort_channels(struct iw_freq *freq, int num)
630 {
631 int i, j;
632 struct iw_freq temp;
633
634 for (i = 0; i < num; i++)
635 for (j = i + 1; j < num; j++)
636 if (freq[i].i > freq[j].i) {
637 temp.i = freq[i].i;
638 temp.m = freq[i].m;
639
640 freq[i].i = freq[j].i;
641 freq[i].m = freq[j].m;
642
643 freq[j].i = temp.i;
644 freq[j].m = temp.m;
645 }
646 }
647
648 /* data rate listing
649 MULTI_BANDS:
650 abg a b b/g
651 Infra G(12) A(8) B(4) G(12)
652 Adhoc A+B(12) A(8) B(4) B(4)
653
654 non-MULTI_BANDS:
655 b b/g
656 Infra B(4) G(12)
657 Adhoc B(4) B(4)
658 */
659 /**
660 * @brief Get Range Info
661 *
662 * @param dev A pointer to net_device structure
663 * @param info A pointer to iw_request_info structure
664 * @param vwrq A pointer to iw_param structure
665 * @param extra A pointer to extra data buf
666 * @return 0 --success, otherwise fail
667 */
668 static int wlan_get_range(struct net_device *dev, struct iw_request_info *info,
669 struct iw_point *dwrq, char *extra)
670 {
671 int i, j;
672 wlan_private *priv = dev->priv;
673 wlan_adapter *adapter = priv->adapter;
674 struct iw_range *range = (struct iw_range *)extra;
675 struct chan_freq_power *cfp;
676 u8 rates[WLAN_SUPPORTED_RATES];
677
678 u8 flag = 0;
679
680 lbs_deb_enter(LBS_DEB_WEXT);
681
682 dwrq->length = sizeof(struct iw_range);
683 memset(range, 0, sizeof(struct iw_range));
684
685 range->min_nwid = 0;
686 range->max_nwid = 0;
687
688 memset(rates, 0, sizeof(rates));
689 range->num_bitrates = get_active_data_rates(adapter, rates);
690
691 for (i = 0; i < min_t(__u8, range->num_bitrates, IW_MAX_BITRATES) && rates[i];
692 i++) {
693 range->bitrate[i] = (rates[i] & 0x7f) * 500000;
694 }
695 range->num_bitrates = i;
696 lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
697 range->num_bitrates);
698
699 range->num_frequency = 0;
700 if (priv->adapter->enable11d &&
701 adapter->connect_status == libertas_connected) {
702 u8 chan_no;
703 u8 band;
704
705 struct parsed_region_chan_11d *parsed_region_chan =
706 &adapter->parsed_region_chan;
707
708 if (parsed_region_chan == NULL) {
709 lbs_deb_wext("11d: parsed_region_chan is NULL\n");
710 goto out;
711 }
712 band = parsed_region_chan->band;
713 lbs_deb_wext("band %d, nr_char %d\n", band,
714 parsed_region_chan->nr_chan);
715
716 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
717 && (i < parsed_region_chan->nr_chan); i++) {
718 chan_no = parsed_region_chan->chanpwr[i].chan;
719 lbs_deb_wext("chan_no %d\n", chan_no);
720 range->freq[range->num_frequency].i = (long)chan_no;
721 range->freq[range->num_frequency].m =
722 (long)libertas_chan_2_freq(chan_no, band) * 100000;
723 range->freq[range->num_frequency].e = 1;
724 range->num_frequency++;
725 }
726 flag = 1;
727 }
728 if (!flag) {
729 for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
730 && (j < sizeof(adapter->region_channel)
731 / sizeof(adapter->region_channel[0])); j++) {
732 cfp = adapter->region_channel[j].CFP;
733 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
734 && adapter->region_channel[j].valid
735 && cfp
736 && (i < adapter->region_channel[j].nrcfp); i++) {
737 range->freq[range->num_frequency].i =
738 (long)cfp->channel;
739 range->freq[range->num_frequency].m =
740 (long)cfp->freq * 100000;
741 range->freq[range->num_frequency].e = 1;
742 cfp++;
743 range->num_frequency++;
744 }
745 }
746 }
747
748 lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
749 IW_MAX_FREQUENCIES, range->num_frequency);
750
751 range->num_channels = range->num_frequency;
752
753 sort_channels(&range->freq[0], range->num_frequency);
754
755 /*
756 * Set an indication of the max TCP throughput in bit/s that we can
757 * expect using this interface
758 */
759 if (i > 2)
760 range->throughput = 5000 * 1000;
761 else
762 range->throughput = 1500 * 1000;
763
764 range->min_rts = MRVDRV_RTS_MIN_VALUE;
765 range->max_rts = MRVDRV_RTS_MAX_VALUE;
766 range->min_frag = MRVDRV_FRAG_MIN_VALUE;
767 range->max_frag = MRVDRV_FRAG_MAX_VALUE;
768
769 range->encoding_size[0] = 5;
770 range->encoding_size[1] = 13;
771 range->num_encoding_sizes = 2;
772 range->max_encoding_tokens = 4;
773
774 range->min_pmp = 1000000;
775 range->max_pmp = 120000000;
776 range->min_pmt = 1000;
777 range->max_pmt = 1000000;
778 range->pmp_flags = IW_POWER_PERIOD;
779 range->pmt_flags = IW_POWER_TIMEOUT;
780 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
781
782 /*
783 * Minimum version we recommend
784 */
785 range->we_version_source = 15;
786
787 /*
788 * Version we are compiled with
789 */
790 range->we_version_compiled = WIRELESS_EXT;
791
792 range->retry_capa = IW_RETRY_LIMIT;
793 range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
794
795 range->min_retry = TX_RETRY_MIN;
796 range->max_retry = TX_RETRY_MAX;
797
798 /*
799 * Set the qual, level and noise range values
800 */
801 range->max_qual.qual = 100;
802 range->max_qual.level = 0;
803 range->max_qual.noise = 0;
804 range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
805
806 range->avg_qual.qual = 70;
807 /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
808 range->avg_qual.level = 0;
809 range->avg_qual.noise = 0;
810 range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
811
812 range->sensitivity = 0;
813
814 /*
815 * Setup the supported power level ranges
816 */
817 memset(range->txpower, 0, sizeof(range->txpower));
818 range->txpower[0] = 5;
819 range->txpower[1] = 7;
820 range->txpower[2] = 9;
821 range->txpower[3] = 11;
822 range->txpower[4] = 13;
823 range->txpower[5] = 15;
824 range->txpower[6] = 17;
825 range->txpower[7] = 19;
826
827 range->num_txpower = 8;
828 range->txpower_capa = IW_TXPOW_DBM;
829 range->txpower_capa |= IW_TXPOW_RANGE;
830
831 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
832 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
833 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
834 range->event_capa[1] = IW_EVENT_CAPA_K_1;
835
836 if (adapter->fwcapinfo & FW_CAPINFO_WPA) {
837 range->enc_capa = IW_ENC_CAPA_WPA
838 | IW_ENC_CAPA_WPA2
839 | IW_ENC_CAPA_CIPHER_TKIP
840 | IW_ENC_CAPA_CIPHER_CCMP;
841 }
842
843 out:
844 lbs_deb_leave(LBS_DEB_WEXT);
845 return 0;
846 }
847
848 static int wlan_set_power(struct net_device *dev, struct iw_request_info *info,
849 struct iw_param *vwrq, char *extra)
850 {
851 wlan_private *priv = dev->priv;
852 wlan_adapter *adapter = priv->adapter;
853
854 lbs_deb_enter(LBS_DEB_WEXT);
855
856 /* PS is currently supported only in Infrastructure mode
857 * Remove this check if it is to be supported in IBSS mode also
858 */
859
860 if (vwrq->disabled) {
861 adapter->psmode = wlan802_11powermodecam;
862 if (adapter->psstate != PS_STATE_FULL_POWER) {
863 libertas_ps_wakeup(priv, cmd_option_waitforrsp);
864 }
865
866 return 0;
867 }
868
869 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
870 lbs_deb_wext(
871 "setting power timeout is not supported\n");
872 return -EINVAL;
873 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
874 lbs_deb_wext("setting power period not supported\n");
875 return -EINVAL;
876 }
877
878 if (adapter->psmode != wlan802_11powermodecam) {
879 return 0;
880 }
881
882 adapter->psmode = wlan802_11powermodemax_psp;
883
884 if (adapter->connect_status == libertas_connected) {
885 libertas_ps_sleep(priv, cmd_option_waitforrsp);
886 }
887
888 lbs_deb_leave(LBS_DEB_WEXT);
889 return 0;
890 }
891
892 static int wlan_get_power(struct net_device *dev, struct iw_request_info *info,
893 struct iw_param *vwrq, char *extra)
894 {
895 wlan_private *priv = dev->priv;
896 wlan_adapter *adapter = priv->adapter;
897 int mode;
898
899 lbs_deb_enter(LBS_DEB_WEXT);
900
901 mode = adapter->psmode;
902
903 if ((vwrq->disabled = (mode == wlan802_11powermodecam))
904 || adapter->connect_status == libertas_disconnected)
905 {
906 goto out;
907 }
908
909 vwrq->value = 0;
910
911 out:
912 lbs_deb_leave(LBS_DEB_WEXT);
913 return 0;
914 }
915
916 static struct iw_statistics *wlan_get_wireless_stats(struct net_device *dev)
917 {
918 enum {
919 POOR = 30,
920 FAIR = 60,
921 GOOD = 80,
922 VERY_GOOD = 90,
923 EXCELLENT = 95,
924 PERFECT = 100
925 };
926 wlan_private *priv = dev->priv;
927 wlan_adapter *adapter = priv->adapter;
928 u32 rssi_qual;
929 u32 tx_qual;
930 u32 quality = 0;
931 int stats_valid = 0;
932 u8 rssi;
933 u32 tx_retries;
934
935 lbs_deb_enter(LBS_DEB_WEXT);
936
937 priv->wstats.status = adapter->mode;
938
939 /* If we're not associated, all quality values are meaningless */
940 if (adapter->connect_status != libertas_connected)
941 goto out;
942
943 /* Quality by RSSI */
944 priv->wstats.qual.level =
945 CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG],
946 adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
947
948 if (adapter->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
949 priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
950 } else {
951 priv->wstats.qual.noise =
952 CAL_NF(adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
953 }
954
955 lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
956 lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
957
958 rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
959 if (rssi < 15)
960 rssi_qual = rssi * POOR / 10;
961 else if (rssi < 20)
962 rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
963 else if (rssi < 30)
964 rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
965 else if (rssi < 40)
966 rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
967 10 + GOOD;
968 else
969 rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
970 10 + VERY_GOOD;
971 quality = rssi_qual;
972
973 /* Quality by TX errors */
974 priv->wstats.discard.retries = priv->stats.tx_errors;
975
976 tx_retries = le16_to_cpu(adapter->logmsg.retry);
977
978 if (tx_retries > 75)
979 tx_qual = (90 - tx_retries) * POOR / 15;
980 else if (tx_retries > 70)
981 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
982 else if (tx_retries > 65)
983 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
984 else if (tx_retries > 50)
985 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
986 15 + GOOD;
987 else
988 tx_qual = (50 - tx_retries) *
989 (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
990 quality = min(quality, tx_qual);
991
992 priv->wstats.discard.code = le16_to_cpu(adapter->logmsg.wepundecryptable);
993 priv->wstats.discard.fragment = le16_to_cpu(adapter->logmsg.rxfrag);
994 priv->wstats.discard.retries = tx_retries;
995 priv->wstats.discard.misc = le16_to_cpu(adapter->logmsg.ackfailure);
996
997 /* Calculate quality */
998 priv->wstats.qual.qual = max(quality, (u32)100);
999 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1000 stats_valid = 1;
1001
1002 /* update stats asynchronously for future calls */
1003 libertas_prepare_and_send_command(priv, cmd_802_11_rssi, 0,
1004 0, 0, NULL);
1005 libertas_prepare_and_send_command(priv, cmd_802_11_get_log, 0,
1006 0, 0, NULL);
1007 out:
1008 if (!stats_valid) {
1009 priv->wstats.miss.beacon = 0;
1010 priv->wstats.discard.retries = 0;
1011 priv->wstats.qual.qual = 0;
1012 priv->wstats.qual.level = 0;
1013 priv->wstats.qual.noise = 0;
1014 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
1015 priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
1016 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
1017 }
1018
1019 lbs_deb_leave(LBS_DEB_WEXT);
1020 return &priv->wstats;
1021
1022
1023 }
1024
1025 static int wlan_set_freq(struct net_device *dev, struct iw_request_info *info,
1026 struct iw_freq *fwrq, char *extra)
1027 {
1028 int ret = -EINVAL;
1029 wlan_private *priv = dev->priv;
1030 wlan_adapter *adapter = priv->adapter;
1031 struct chan_freq_power *cfp;
1032 struct assoc_request * assoc_req;
1033
1034 lbs_deb_enter(LBS_DEB_WEXT);
1035
1036 mutex_lock(&adapter->lock);
1037 assoc_req = wlan_get_association_request(adapter);
1038 if (!assoc_req) {
1039 ret = -ENOMEM;
1040 goto out;
1041 }
1042
1043 /* If setting by frequency, convert to a channel */
1044 if (fwrq->e == 1) {
1045 long f = fwrq->m / 100000;
1046
1047 cfp = find_cfp_by_band_and_freq(adapter, 0, f);
1048 if (!cfp) {
1049 lbs_deb_wext("invalid freq %ld\n", f);
1050 goto out;
1051 }
1052
1053 fwrq->e = 0;
1054 fwrq->m = (int) cfp->channel;
1055 }
1056
1057 /* Setting by channel number */
1058 if (fwrq->m > 1000 || fwrq->e > 0) {
1059 goto out;
1060 }
1061
1062 cfp = libertas_find_cfp_by_band_and_channel(adapter, 0, fwrq->m);
1063 if (!cfp) {
1064 goto out;
1065 }
1066
1067 assoc_req->channel = fwrq->m;
1068 ret = 0;
1069
1070 out:
1071 if (ret == 0) {
1072 set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
1073 wlan_postpone_association_work(priv);
1074 } else {
1075 wlan_cancel_association_work(priv);
1076 }
1077 mutex_unlock(&adapter->lock);
1078
1079 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1080 return ret;
1081 }
1082
1083 /**
1084 * @brief use index to get the data rate
1085 *
1086 * @param index The index of data rate
1087 * @return data rate or 0
1088 */
1089 u32 libertas_index_to_data_rate(u8 index)
1090 {
1091 if (index >= sizeof(libertas_wlan_data_rates))
1092 index = 0;
1093
1094 return libertas_wlan_data_rates[index];
1095 }
1096
1097 /**
1098 * @brief use rate to get the index
1099 *
1100 * @param rate data rate
1101 * @return index or 0
1102 */
1103 u8 libertas_data_rate_to_index(u32 rate)
1104 {
1105 u8 *ptr;
1106
1107 if (rate)
1108 if ((ptr = memchr(libertas_wlan_data_rates, (u8) rate,
1109 sizeof(libertas_wlan_data_rates))))
1110 return (ptr - libertas_wlan_data_rates);
1111
1112 return 0;
1113 }
1114
1115 static int wlan_set_rate(struct net_device *dev, struct iw_request_info *info,
1116 struct iw_param *vwrq, char *extra)
1117 {
1118 wlan_private *priv = dev->priv;
1119 wlan_adapter *adapter = priv->adapter;
1120 u32 data_rate;
1121 u16 action;
1122 int ret = 0;
1123 u8 rates[WLAN_SUPPORTED_RATES];
1124 u8 *rate;
1125
1126 lbs_deb_enter(LBS_DEB_WEXT);
1127
1128 lbs_deb_wext("vwrq->value %d\n", vwrq->value);
1129
1130 if (vwrq->value == -1) {
1131 action = cmd_act_set_tx_auto; // Auto
1132 adapter->is_datarate_auto = 1;
1133 adapter->datarate = 0;
1134 } else {
1135 if (vwrq->value % 100000) {
1136 return -EINVAL;
1137 }
1138
1139 data_rate = vwrq->value / 500000;
1140
1141 memset(rates, 0, sizeof(rates));
1142 get_active_data_rates(adapter, rates);
1143 rate = rates;
1144 while (*rate) {
1145 lbs_deb_wext("rate=0x%X, wanted data_rate 0x%X\n", *rate,
1146 data_rate);
1147 if ((*rate & 0x7f) == (data_rate & 0x7f))
1148 break;
1149 rate++;
1150 }
1151 if (!*rate) {
1152 lbs_pr_alert("fixed data rate 0x%X out "
1153 "of range\n", data_rate);
1154 return -EINVAL;
1155 }
1156
1157 adapter->datarate = data_rate;
1158 action = cmd_act_set_tx_fix_rate;
1159 adapter->is_datarate_auto = 0;
1160 }
1161
1162 ret = libertas_prepare_and_send_command(priv, cmd_802_11_data_rate,
1163 action, cmd_option_waitforrsp, 0, NULL);
1164
1165 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1166 return ret;
1167 }
1168
1169 static int wlan_get_rate(struct net_device *dev, struct iw_request_info *info,
1170 struct iw_param *vwrq, char *extra)
1171 {
1172 wlan_private *priv = dev->priv;
1173 wlan_adapter *adapter = priv->adapter;
1174
1175 lbs_deb_enter(LBS_DEB_WEXT);
1176
1177 if (adapter->is_datarate_auto) {
1178 vwrq->fixed = 0;
1179 } else {
1180 vwrq->fixed = 1;
1181 }
1182
1183 vwrq->value = adapter->datarate * 500000;
1184
1185 lbs_deb_leave(LBS_DEB_WEXT);
1186 return 0;
1187 }
1188
1189 static int wlan_set_mode(struct net_device *dev,
1190 struct iw_request_info *info, u32 * uwrq, char *extra)
1191 {
1192 int ret = 0;
1193 wlan_private *priv = dev->priv;
1194 wlan_adapter *adapter = priv->adapter;
1195 struct assoc_request * assoc_req;
1196
1197 lbs_deb_enter(LBS_DEB_WEXT);
1198
1199 if ( (*uwrq != IW_MODE_ADHOC)
1200 && (*uwrq != IW_MODE_INFRA)
1201 && (*uwrq != IW_MODE_AUTO)) {
1202 lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1203 ret = -EINVAL;
1204 goto out;
1205 }
1206
1207 mutex_lock(&adapter->lock);
1208 assoc_req = wlan_get_association_request(adapter);
1209 if (!assoc_req) {
1210 ret = -ENOMEM;
1211 wlan_cancel_association_work(priv);
1212 } else {
1213 assoc_req->mode = *uwrq;
1214 set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1215 wlan_postpone_association_work(priv);
1216 lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1217 }
1218 mutex_unlock(&adapter->lock);
1219
1220 out:
1221 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1222 return ret;
1223 }
1224
1225
1226 /**
1227 * @brief Get Encryption key
1228 *
1229 * @param dev A pointer to net_device structure
1230 * @param info A pointer to iw_request_info structure
1231 * @param vwrq A pointer to iw_param structure
1232 * @param extra A pointer to extra data buf
1233 * @return 0 --success, otherwise fail
1234 */
1235 static int wlan_get_encode(struct net_device *dev,
1236 struct iw_request_info *info,
1237 struct iw_point *dwrq, u8 * extra)
1238 {
1239 wlan_private *priv = dev->priv;
1240 wlan_adapter *adapter = priv->adapter;
1241 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1242
1243 lbs_deb_enter(LBS_DEB_WEXT);
1244
1245 lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1246 dwrq->flags, index, dwrq->length, adapter->wep_tx_keyidx);
1247
1248 dwrq->flags = 0;
1249
1250 /* Authentication method */
1251 switch (adapter->secinfo.auth_mode) {
1252 case IW_AUTH_ALG_OPEN_SYSTEM:
1253 dwrq->flags = IW_ENCODE_OPEN;
1254 break;
1255
1256 case IW_AUTH_ALG_SHARED_KEY:
1257 case IW_AUTH_ALG_LEAP:
1258 dwrq->flags = IW_ENCODE_RESTRICTED;
1259 break;
1260 default:
1261 dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
1262 break;
1263 }
1264
1265 if ( adapter->secinfo.wep_enabled
1266 || adapter->secinfo.WPAenabled
1267 || adapter->secinfo.WPA2enabled) {
1268 dwrq->flags &= ~IW_ENCODE_DISABLED;
1269 } else {
1270 dwrq->flags |= IW_ENCODE_DISABLED;
1271 }
1272
1273 memset(extra, 0, 16);
1274
1275 mutex_lock(&adapter->lock);
1276
1277 /* Default to returning current transmit key */
1278 if (index < 0)
1279 index = adapter->wep_tx_keyidx;
1280
1281 if ((adapter->wep_keys[index].len) && adapter->secinfo.wep_enabled) {
1282 memcpy(extra, adapter->wep_keys[index].key,
1283 adapter->wep_keys[index].len);
1284 dwrq->length = adapter->wep_keys[index].len;
1285
1286 dwrq->flags |= (index + 1);
1287 /* Return WEP enabled */
1288 dwrq->flags &= ~IW_ENCODE_DISABLED;
1289 } else if ((adapter->secinfo.WPAenabled)
1290 || (adapter->secinfo.WPA2enabled)) {
1291 /* return WPA enabled */
1292 dwrq->flags &= ~IW_ENCODE_DISABLED;
1293 } else {
1294 dwrq->flags |= IW_ENCODE_DISABLED;
1295 }
1296
1297 mutex_unlock(&adapter->lock);
1298
1299 dwrq->flags |= IW_ENCODE_NOKEY;
1300
1301 lbs_deb_wext("key: " MAC_FMT ", keylen %d\n",
1302 extra[0], extra[1], extra[2],
1303 extra[3], extra[4], extra[5], dwrq->length);
1304
1305 lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1306
1307 lbs_deb_leave(LBS_DEB_WEXT);
1308 return 0;
1309 }
1310
1311 /**
1312 * @brief Set Encryption key (internal)
1313 *
1314 * @param priv A pointer to private card structure
1315 * @param key_material A pointer to key material
1316 * @param key_length length of key material
1317 * @param index key index to set
1318 * @param set_tx_key Force set TX key (1 = yes, 0 = no)
1319 * @return 0 --success, otherwise fail
1320 */
1321 static int wlan_set_wep_key(struct assoc_request *assoc_req,
1322 const char *key_material,
1323 u16 key_length,
1324 u16 index,
1325 int set_tx_key)
1326 {
1327 int ret = 0;
1328 struct WLAN_802_11_KEY *pkey;
1329
1330 lbs_deb_enter(LBS_DEB_WEXT);
1331
1332 /* Paranoid validation of key index */
1333 if (index > 3) {
1334 ret = -EINVAL;
1335 goto out;
1336 }
1337
1338 /* validate max key length */
1339 if (key_length > KEY_LEN_WEP_104) {
1340 ret = -EINVAL;
1341 goto out;
1342 }
1343
1344 pkey = &assoc_req->wep_keys[index];
1345
1346 if (key_length > 0) {
1347 memset(pkey, 0, sizeof(struct WLAN_802_11_KEY));
1348 pkey->type = KEY_TYPE_ID_WEP;
1349
1350 /* Standardize the key length */
1351 pkey->len = (key_length > KEY_LEN_WEP_40) ?
1352 KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
1353 memcpy(pkey->key, key_material, key_length);
1354 }
1355
1356 if (set_tx_key) {
1357 /* Ensure the chosen key is valid */
1358 if (!pkey->len) {
1359 lbs_deb_wext("key not set, so cannot enable it\n");
1360 ret = -EINVAL;
1361 goto out;
1362 }
1363 assoc_req->wep_tx_keyidx = index;
1364 }
1365
1366 assoc_req->secinfo.wep_enabled = 1;
1367
1368 out:
1369 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1370 return ret;
1371 }
1372
1373 static int validate_key_index(u16 def_index, u16 raw_index,
1374 u16 *out_index, u16 *is_default)
1375 {
1376 if (!out_index || !is_default)
1377 return -EINVAL;
1378
1379 /* Verify index if present, otherwise use default TX key index */
1380 if (raw_index > 0) {
1381 if (raw_index > 4)
1382 return -EINVAL;
1383 *out_index = raw_index - 1;
1384 } else {
1385 *out_index = def_index;
1386 *is_default = 1;
1387 }
1388 return 0;
1389 }
1390
1391 static void disable_wep(struct assoc_request *assoc_req)
1392 {
1393 int i;
1394
1395 lbs_deb_enter(LBS_DEB_WEXT);
1396
1397 /* Set Open System auth mode */
1398 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1399
1400 /* Clear WEP keys and mark WEP as disabled */
1401 assoc_req->secinfo.wep_enabled = 0;
1402 for (i = 0; i < 4; i++)
1403 assoc_req->wep_keys[i].len = 0;
1404
1405 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1406 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1407
1408 lbs_deb_leave(LBS_DEB_WEXT);
1409 }
1410
1411 static void disable_wpa(struct assoc_request *assoc_req)
1412 {
1413 lbs_deb_enter(LBS_DEB_WEXT);
1414
1415 memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct WLAN_802_11_KEY));
1416 assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
1417 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1418
1419 memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct WLAN_802_11_KEY));
1420 assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
1421 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1422
1423 assoc_req->secinfo.WPAenabled = 0;
1424 assoc_req->secinfo.WPA2enabled = 0;
1425 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1426
1427 lbs_deb_leave(LBS_DEB_WEXT);
1428 }
1429
1430 /**
1431 * @brief Set Encryption key
1432 *
1433 * @param dev A pointer to net_device structure
1434 * @param info A pointer to iw_request_info structure
1435 * @param vwrq A pointer to iw_param structure
1436 * @param extra A pointer to extra data buf
1437 * @return 0 --success, otherwise fail
1438 */
1439 static int wlan_set_encode(struct net_device *dev,
1440 struct iw_request_info *info,
1441 struct iw_point *dwrq, char *extra)
1442 {
1443 int ret = 0;
1444 wlan_private *priv = dev->priv;
1445 wlan_adapter *adapter = priv->adapter;
1446 struct assoc_request * assoc_req;
1447 u16 is_default = 0, index = 0, set_tx_key = 0;
1448
1449 lbs_deb_enter(LBS_DEB_WEXT);
1450
1451 mutex_lock(&adapter->lock);
1452 assoc_req = wlan_get_association_request(adapter);
1453 if (!assoc_req) {
1454 ret = -ENOMEM;
1455 goto out;
1456 }
1457
1458 if (dwrq->flags & IW_ENCODE_DISABLED) {
1459 disable_wep (assoc_req);
1460 disable_wpa (assoc_req);
1461 goto out;
1462 }
1463
1464 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1465 (dwrq->flags & IW_ENCODE_INDEX),
1466 &index, &is_default);
1467 if (ret) {
1468 ret = -EINVAL;
1469 goto out;
1470 }
1471
1472 /* If WEP isn't enabled, or if there is no key data but a valid
1473 * index, set the TX key.
1474 */
1475 if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1476 set_tx_key = 1;
1477
1478 ret = wlan_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1479 if (ret)
1480 goto out;
1481
1482 if (dwrq->length)
1483 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1484 if (set_tx_key)
1485 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1486
1487 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1488 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1489 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1490 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1491 }
1492
1493 out:
1494 if (ret == 0) {
1495 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1496 wlan_postpone_association_work(priv);
1497 } else {
1498 wlan_cancel_association_work(priv);
1499 }
1500 mutex_unlock(&adapter->lock);
1501
1502 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1503 return ret;
1504 }
1505
1506 /**
1507 * @brief Get Extended Encryption key (WPA/802.1x and WEP)
1508 *
1509 * @param dev A pointer to net_device structure
1510 * @param info A pointer to iw_request_info structure
1511 * @param vwrq A pointer to iw_param structure
1512 * @param extra A pointer to extra data buf
1513 * @return 0 on success, otherwise failure
1514 */
1515 static int wlan_get_encodeext(struct net_device *dev,
1516 struct iw_request_info *info,
1517 struct iw_point *dwrq,
1518 char *extra)
1519 {
1520 int ret = -EINVAL;
1521 wlan_private *priv = dev->priv;
1522 wlan_adapter *adapter = priv->adapter;
1523 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1524 int index, max_key_len;
1525
1526 lbs_deb_enter(LBS_DEB_WEXT);
1527
1528 max_key_len = dwrq->length - sizeof(*ext);
1529 if (max_key_len < 0)
1530 goto out;
1531
1532 index = dwrq->flags & IW_ENCODE_INDEX;
1533 if (index) {
1534 if (index < 1 || index > 4)
1535 goto out;
1536 index--;
1537 } else {
1538 index = adapter->wep_tx_keyidx;
1539 }
1540
1541 if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY &&
1542 ext->alg != IW_ENCODE_ALG_WEP) {
1543 if (index != 0 || adapter->mode != IW_MODE_INFRA)
1544 goto out;
1545 }
1546
1547 dwrq->flags = index + 1;
1548 memset(ext, 0, sizeof(*ext));
1549
1550 if ( !adapter->secinfo.wep_enabled
1551 && !adapter->secinfo.WPAenabled
1552 && !adapter->secinfo.WPA2enabled) {
1553 ext->alg = IW_ENCODE_ALG_NONE;
1554 ext->key_len = 0;
1555 dwrq->flags |= IW_ENCODE_DISABLED;
1556 } else {
1557 u8 *key = NULL;
1558
1559 if ( adapter->secinfo.wep_enabled
1560 && !adapter->secinfo.WPAenabled
1561 && !adapter->secinfo.WPA2enabled) {
1562 /* WEP */
1563 ext->alg = IW_ENCODE_ALG_WEP;
1564 ext->key_len = adapter->wep_keys[index].len;
1565 key = &adapter->wep_keys[index].key[0];
1566 } else if ( !adapter->secinfo.wep_enabled
1567 && (adapter->secinfo.WPAenabled ||
1568 adapter->secinfo.WPA2enabled)) {
1569 /* WPA */
1570 struct WLAN_802_11_KEY * pkey = NULL;
1571
1572 if ( adapter->wpa_mcast_key.len
1573 && (adapter->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
1574 pkey = &adapter->wpa_mcast_key;
1575 else if ( adapter->wpa_unicast_key.len
1576 && (adapter->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
1577 pkey = &adapter->wpa_unicast_key;
1578
1579 if (pkey) {
1580 if (pkey->type == KEY_TYPE_ID_AES) {
1581 ext->alg = IW_ENCODE_ALG_CCMP;
1582 } else {
1583 ext->alg = IW_ENCODE_ALG_TKIP;
1584 }
1585 ext->key_len = pkey->len;
1586 key = &pkey->key[0];
1587 } else {
1588 ext->alg = IW_ENCODE_ALG_TKIP;
1589 ext->key_len = 0;
1590 }
1591 } else {
1592 goto out;
1593 }
1594
1595 if (ext->key_len > max_key_len) {
1596 ret = -E2BIG;
1597 goto out;
1598 }
1599
1600 if (ext->key_len)
1601 memcpy(ext->key, key, ext->key_len);
1602 else
1603 dwrq->flags |= IW_ENCODE_NOKEY;
1604 dwrq->flags |= IW_ENCODE_ENABLED;
1605 }
1606 ret = 0;
1607
1608 out:
1609 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1610 return ret;
1611 }
1612
1613 /**
1614 * @brief Set Encryption key Extended (WPA/802.1x and WEP)
1615 *
1616 * @param dev A pointer to net_device structure
1617 * @param info A pointer to iw_request_info structure
1618 * @param vwrq A pointer to iw_param structure
1619 * @param extra A pointer to extra data buf
1620 * @return 0 --success, otherwise fail
1621 */
1622 static int wlan_set_encodeext(struct net_device *dev,
1623 struct iw_request_info *info,
1624 struct iw_point *dwrq,
1625 char *extra)
1626 {
1627 int ret = 0;
1628 wlan_private *priv = dev->priv;
1629 wlan_adapter *adapter = priv->adapter;
1630 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1631 int alg = ext->alg;
1632 struct assoc_request * assoc_req;
1633
1634 lbs_deb_enter(LBS_DEB_WEXT);
1635
1636 mutex_lock(&adapter->lock);
1637 assoc_req = wlan_get_association_request(adapter);
1638 if (!assoc_req) {
1639 ret = -ENOMEM;
1640 goto out;
1641 }
1642
1643 if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
1644 disable_wep (assoc_req);
1645 disable_wpa (assoc_req);
1646 } else if (alg == IW_ENCODE_ALG_WEP) {
1647 u16 is_default = 0, index, set_tx_key = 0;
1648
1649 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1650 (dwrq->flags & IW_ENCODE_INDEX),
1651 &index, &is_default);
1652 if (ret)
1653 goto out;
1654
1655 /* If WEP isn't enabled, or if there is no key data but a valid
1656 * index, or if the set-TX-key flag was passed, set the TX key.
1657 */
1658 if ( !assoc_req->secinfo.wep_enabled
1659 || (dwrq->length == 0 && !is_default)
1660 || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
1661 set_tx_key = 1;
1662
1663 /* Copy key to driver */
1664 ret = wlan_set_wep_key (assoc_req, ext->key, ext->key_len, index,
1665 set_tx_key);
1666 if (ret)
1667 goto out;
1668
1669 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1670 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1671 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1672 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1673 }
1674
1675 /* Mark the various WEP bits as modified */
1676 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1677 if (dwrq->length)
1678 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1679 if (set_tx_key)
1680 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1681 } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1682 struct WLAN_802_11_KEY * pkey;
1683
1684 /* validate key length */
1685 if (((alg == IW_ENCODE_ALG_TKIP)
1686 && (ext->key_len != KEY_LEN_WPA_TKIP))
1687 || ((alg == IW_ENCODE_ALG_CCMP)
1688 && (ext->key_len != KEY_LEN_WPA_AES))) {
1689 lbs_deb_wext("invalid size %d for key of alg"
1690 "type %d\n",
1691 ext->key_len,
1692 alg);
1693 ret = -EINVAL;
1694 goto out;
1695 }
1696
1697 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1698 pkey = &assoc_req->wpa_mcast_key;
1699 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1700 } else {
1701 pkey = &assoc_req->wpa_unicast_key;
1702 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1703 }
1704
1705 memset(pkey, 0, sizeof (struct WLAN_802_11_KEY));
1706 memcpy(pkey->key, ext->key, ext->key_len);
1707 pkey->len = ext->key_len;
1708 if (pkey->len)
1709 pkey->flags |= KEY_INFO_WPA_ENABLED;
1710
1711 /* Do this after zeroing key structure */
1712 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1713 pkey->flags |= KEY_INFO_WPA_MCAST;
1714 } else {
1715 pkey->flags |= KEY_INFO_WPA_UNICAST;
1716 }
1717
1718 if (alg == IW_ENCODE_ALG_TKIP) {
1719 pkey->type = KEY_TYPE_ID_TKIP;
1720 } else if (alg == IW_ENCODE_ALG_CCMP) {
1721 pkey->type = KEY_TYPE_ID_AES;
1722 } else {
1723 ret = -EINVAL;
1724 goto out;
1725 }
1726
1727 /* If WPA isn't enabled yet, do that now */
1728 if ( assoc_req->secinfo.WPAenabled == 0
1729 && assoc_req->secinfo.WPA2enabled == 0) {
1730 assoc_req->secinfo.WPAenabled = 1;
1731 assoc_req->secinfo.WPA2enabled = 1;
1732 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1733 }
1734
1735 disable_wep (assoc_req);
1736 }
1737
1738 out:
1739 if (ret == 0) {
1740 wlan_postpone_association_work(priv);
1741 } else {
1742 wlan_cancel_association_work(priv);
1743 }
1744 mutex_unlock(&adapter->lock);
1745
1746 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1747 return ret;
1748 }
1749
1750
1751 static int wlan_set_genie(struct net_device *dev,
1752 struct iw_request_info *info,
1753 struct iw_point *dwrq,
1754 char *extra)
1755 {
1756 wlan_private *priv = dev->priv;
1757 wlan_adapter *adapter = priv->adapter;
1758 int ret = 0;
1759 struct assoc_request * assoc_req;
1760
1761 lbs_deb_enter(LBS_DEB_WEXT);
1762
1763 mutex_lock(&adapter->lock);
1764 assoc_req = wlan_get_association_request(adapter);
1765 if (!assoc_req) {
1766 ret = -ENOMEM;
1767 goto out;
1768 }
1769
1770 if (dwrq->length > MAX_WPA_IE_LEN ||
1771 (dwrq->length && extra == NULL)) {
1772 ret = -EINVAL;
1773 goto out;
1774 }
1775
1776 if (dwrq->length) {
1777 memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
1778 assoc_req->wpa_ie_len = dwrq->length;
1779 } else {
1780 memset(&assoc_req->wpa_ie[0], 0, sizeof(adapter->wpa_ie));
1781 assoc_req->wpa_ie_len = 0;
1782 }
1783
1784 out:
1785 if (ret == 0) {
1786 set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1787 wlan_postpone_association_work(priv);
1788 } else {
1789 wlan_cancel_association_work(priv);
1790 }
1791 mutex_unlock(&adapter->lock);
1792
1793 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1794 return ret;
1795 }
1796
1797 static int wlan_get_genie(struct net_device *dev,
1798 struct iw_request_info *info,
1799 struct iw_point *dwrq,
1800 char *extra)
1801 {
1802 int ret = 0;
1803 wlan_private *priv = dev->priv;
1804 wlan_adapter *adapter = priv->adapter;
1805
1806 lbs_deb_enter(LBS_DEB_WEXT);
1807
1808 if (adapter->wpa_ie_len == 0) {
1809 dwrq->length = 0;
1810 goto out;
1811 }
1812
1813 if (dwrq->length < adapter->wpa_ie_len) {
1814 ret = -E2BIG;
1815 goto out;
1816 }
1817
1818 dwrq->length = adapter->wpa_ie_len;
1819 memcpy(extra, &adapter->wpa_ie[0], adapter->wpa_ie_len);
1820
1821 out:
1822 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1823 return ret;
1824 }
1825
1826
1827 static int wlan_set_auth(struct net_device *dev,
1828 struct iw_request_info *info,
1829 struct iw_param *dwrq,
1830 char *extra)
1831 {
1832 wlan_private *priv = dev->priv;
1833 wlan_adapter *adapter = priv->adapter;
1834 struct assoc_request * assoc_req;
1835 int ret = 0;
1836 int updated = 0;
1837
1838 lbs_deb_enter(LBS_DEB_WEXT);
1839
1840 mutex_lock(&adapter->lock);
1841 assoc_req = wlan_get_association_request(adapter);
1842 if (!assoc_req) {
1843 ret = -ENOMEM;
1844 goto out;
1845 }
1846
1847 switch (dwrq->flags & IW_AUTH_INDEX) {
1848 case IW_AUTH_TKIP_COUNTERMEASURES:
1849 case IW_AUTH_CIPHER_PAIRWISE:
1850 case IW_AUTH_CIPHER_GROUP:
1851 case IW_AUTH_KEY_MGMT:
1852 case IW_AUTH_DROP_UNENCRYPTED:
1853 /*
1854 * libertas does not use these parameters
1855 */
1856 break;
1857
1858 case IW_AUTH_WPA_VERSION:
1859 if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
1860 assoc_req->secinfo.WPAenabled = 0;
1861 assoc_req->secinfo.WPA2enabled = 0;
1862 disable_wpa (assoc_req);
1863 }
1864 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
1865 assoc_req->secinfo.WPAenabled = 1;
1866 assoc_req->secinfo.wep_enabled = 0;
1867 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1868 }
1869 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
1870 assoc_req->secinfo.WPA2enabled = 1;
1871 assoc_req->secinfo.wep_enabled = 0;
1872 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1873 }
1874 updated = 1;
1875 break;
1876
1877 case IW_AUTH_80211_AUTH_ALG:
1878 if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1879 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1880 } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1881 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1882 } else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1883 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1884 } else {
1885 ret = -EINVAL;
1886 }
1887 updated = 1;
1888 break;
1889
1890 case IW_AUTH_WPA_ENABLED:
1891 if (dwrq->value) {
1892 if (!assoc_req->secinfo.WPAenabled &&
1893 !assoc_req->secinfo.WPA2enabled) {
1894 assoc_req->secinfo.WPAenabled = 1;
1895 assoc_req->secinfo.WPA2enabled = 1;
1896 assoc_req->secinfo.wep_enabled = 0;
1897 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1898 }
1899 } else {
1900 assoc_req->secinfo.WPAenabled = 0;
1901 assoc_req->secinfo.WPA2enabled = 0;
1902 disable_wpa (assoc_req);
1903 }
1904 updated = 1;
1905 break;
1906
1907 default:
1908 ret = -EOPNOTSUPP;
1909 break;
1910 }
1911
1912 out:
1913 if (ret == 0) {
1914 if (updated)
1915 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1916 wlan_postpone_association_work(priv);
1917 } else if (ret != -EOPNOTSUPP) {
1918 wlan_cancel_association_work(priv);
1919 }
1920 mutex_unlock(&adapter->lock);
1921
1922 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1923 return ret;
1924 }
1925
1926 static int wlan_get_auth(struct net_device *dev,
1927 struct iw_request_info *info,
1928 struct iw_param *dwrq,
1929 char *extra)
1930 {
1931 int ret = 0;
1932 wlan_private *priv = dev->priv;
1933 wlan_adapter *adapter = priv->adapter;
1934
1935 lbs_deb_enter(LBS_DEB_WEXT);
1936
1937 switch (dwrq->flags & IW_AUTH_INDEX) {
1938 case IW_AUTH_WPA_VERSION:
1939 dwrq->value = 0;
1940 if (adapter->secinfo.WPAenabled)
1941 dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1942 if (adapter->secinfo.WPA2enabled)
1943 dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
1944 if (!dwrq->value)
1945 dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
1946 break;
1947
1948 case IW_AUTH_80211_AUTH_ALG:
1949 dwrq->value = adapter->secinfo.auth_mode;
1950 break;
1951
1952 case IW_AUTH_WPA_ENABLED:
1953 if (adapter->secinfo.WPAenabled && adapter->secinfo.WPA2enabled)
1954 dwrq->value = 1;
1955 break;
1956
1957 default:
1958 ret = -EOPNOTSUPP;
1959 }
1960
1961 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1962 return ret;
1963 }
1964
1965
1966 static int wlan_set_txpow(struct net_device *dev, struct iw_request_info *info,
1967 struct iw_param *vwrq, char *extra)
1968 {
1969 int ret = 0;
1970 wlan_private *priv = dev->priv;
1971 wlan_adapter *adapter = priv->adapter;
1972
1973 u16 dbm;
1974
1975 lbs_deb_enter(LBS_DEB_WEXT);
1976
1977 if (vwrq->disabled) {
1978 wlan_radio_ioctl(priv, RADIO_OFF);
1979 return 0;
1980 }
1981
1982 adapter->preamble = cmd_type_auto_preamble;
1983
1984 wlan_radio_ioctl(priv, RADIO_ON);
1985
1986 if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) {
1987 dbm = (u16) mw_to_dbm(vwrq->value);
1988 } else
1989 dbm = (u16) vwrq->value;
1990
1991 /* auto tx power control */
1992
1993 if (vwrq->fixed == 0)
1994 dbm = 0xffff;
1995
1996 lbs_deb_wext("txpower set %d dbm\n", dbm);
1997
1998 ret = libertas_prepare_and_send_command(priv,
1999 cmd_802_11_rf_tx_power,
2000 cmd_act_tx_power_opt_set_low,
2001 cmd_option_waitforrsp, 0, (void *)&dbm);
2002
2003 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2004 return ret;
2005 }
2006
2007 static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info,
2008 struct iw_point *dwrq, char *extra)
2009 {
2010 wlan_private *priv = dev->priv;
2011 wlan_adapter *adapter = priv->adapter;
2012
2013 lbs_deb_enter(LBS_DEB_WEXT);
2014
2015 /*
2016 * Note : if dwrq->flags != 0, we should get the relevant SSID from
2017 * the SSID list...
2018 */
2019
2020 /*
2021 * Get the current SSID
2022 */
2023 if (adapter->connect_status == libertas_connected) {
2024 memcpy(extra, adapter->curbssparams.ssid,
2025 adapter->curbssparams.ssid_len);
2026 extra[adapter->curbssparams.ssid_len] = '\0';
2027 } else {
2028 memset(extra, 0, 32);
2029 extra[adapter->curbssparams.ssid_len] = '\0';
2030 }
2031 /*
2032 * If none, we may want to get the one that was set
2033 */
2034
2035 /* To make the driver backward compatible with WPA supplicant v0.2.4 */
2036 if (dwrq->length == 32) /* check with WPA supplicant buffer size */
2037 dwrq->length = min_t(size_t, adapter->curbssparams.ssid_len,
2038 IW_ESSID_MAX_SIZE);
2039 else
2040 dwrq->length = adapter->curbssparams.ssid_len + 1;
2041
2042 dwrq->flags = 1; /* active */
2043
2044 lbs_deb_leave(LBS_DEB_WEXT);
2045 return 0;
2046 }
2047
2048 static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info,
2049 struct iw_point *dwrq, char *extra)
2050 {
2051 wlan_private *priv = dev->priv;
2052 wlan_adapter *adapter = priv->adapter;
2053 int ret = 0;
2054 u8 ssid[IW_ESSID_MAX_SIZE];
2055 u8 ssid_len = 0;
2056 struct assoc_request * assoc_req;
2057 int in_ssid_len = dwrq->length;
2058
2059 lbs_deb_enter(LBS_DEB_WEXT);
2060
2061 /*
2062 * WE-20 and earlier NULL pad the end of the SSID and increment
2063 * SSID length so it can be used like a string. WE-21 and later don't,
2064 * but some userspace tools aren't able to cope with the change.
2065 */
2066 if ((in_ssid_len > 0) && (extra[in_ssid_len - 1] == '\0'))
2067 in_ssid_len--;
2068
2069 /* Check the size of the string */
2070 if (in_ssid_len > IW_ESSID_MAX_SIZE) {
2071 ret = -E2BIG;
2072 goto out;
2073 }
2074
2075 memset(&ssid, 0, sizeof(ssid));
2076
2077 if (!dwrq->flags || !in_ssid_len) {
2078 /* "any" SSID requested; leave SSID blank */
2079 } else {
2080 /* Specific SSID requested */
2081 memcpy(&ssid, extra, in_ssid_len);
2082 ssid_len = in_ssid_len;
2083 }
2084
2085 if (!ssid_len) {
2086 lbs_deb_wext("requested any SSID\n");
2087 } else {
2088 lbs_deb_wext("requested SSID '%s'\n",
2089 escape_essid(ssid, ssid_len));
2090 }
2091
2092 out:
2093 mutex_lock(&adapter->lock);
2094 if (ret == 0) {
2095 /* Get or create the current association request */
2096 assoc_req = wlan_get_association_request(adapter);
2097 if (!assoc_req) {
2098 ret = -ENOMEM;
2099 } else {
2100 /* Copy the SSID to the association request */
2101 memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
2102 assoc_req->ssid_len = ssid_len;
2103 set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
2104 wlan_postpone_association_work(priv);
2105 }
2106 }
2107
2108 /* Cancel the association request if there was an error */
2109 if (ret != 0) {
2110 wlan_cancel_association_work(priv);
2111 }
2112
2113 mutex_unlock(&adapter->lock);
2114
2115 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2116 return ret;
2117 }
2118
2119 /**
2120 * @brief Connect to the AP or Ad-hoc Network with specific bssid
2121 *
2122 * @param dev A pointer to net_device structure
2123 * @param info A pointer to iw_request_info structure
2124 * @param awrq A pointer to iw_param structure
2125 * @param extra A pointer to extra data buf
2126 * @return 0 --success, otherwise fail
2127 */
2128 static int wlan_set_wap(struct net_device *dev, struct iw_request_info *info,
2129 struct sockaddr *awrq, char *extra)
2130 {
2131 wlan_private *priv = dev->priv;
2132 wlan_adapter *adapter = priv->adapter;
2133 struct assoc_request * assoc_req;
2134 int ret = 0;
2135
2136 lbs_deb_enter(LBS_DEB_WEXT);
2137
2138 if (awrq->sa_family != ARPHRD_ETHER)
2139 return -EINVAL;
2140
2141 lbs_deb_wext("ASSOC: WAP: sa_data " MAC_FMT "\n", MAC_ARG(awrq->sa_data));
2142
2143 mutex_lock(&adapter->lock);
2144
2145 /* Get or create the current association request */
2146 assoc_req = wlan_get_association_request(adapter);
2147 if (!assoc_req) {
2148 wlan_cancel_association_work(priv);
2149 ret = -ENOMEM;
2150 } else {
2151 /* Copy the BSSID to the association request */
2152 memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
2153 set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
2154 wlan_postpone_association_work(priv);
2155 }
2156
2157 mutex_unlock(&adapter->lock);
2158
2159 return ret;
2160 }
2161
2162 void libertas_get_fwversion(wlan_adapter * adapter, char *fwversion, int maxlen)
2163 {
2164 char fwver[32];
2165
2166 mutex_lock(&adapter->lock);
2167
2168 if (adapter->fwreleasenumber[3] == 0)
2169 sprintf(fwver, "%u.%u.%u",
2170 adapter->fwreleasenumber[2],
2171 adapter->fwreleasenumber[1],
2172 adapter->fwreleasenumber[0]);
2173 else
2174 sprintf(fwver, "%u.%u.%u.p%u",
2175 adapter->fwreleasenumber[2],
2176 adapter->fwreleasenumber[1],
2177 adapter->fwreleasenumber[0],
2178 adapter->fwreleasenumber[3]);
2179
2180 mutex_unlock(&adapter->lock);
2181 snprintf(fwversion, maxlen, fwver);
2182 }
2183
2184
2185 /*
2186 * iwconfig settable callbacks
2187 */
2188 static const iw_handler wlan_handler[] = {
2189 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2190 (iw_handler) wlan_get_name, /* SIOCGIWNAME */
2191 (iw_handler) NULL, /* SIOCSIWNWID */
2192 (iw_handler) NULL, /* SIOCGIWNWID */
2193 (iw_handler) wlan_set_freq, /* SIOCSIWFREQ */
2194 (iw_handler) wlan_get_freq, /* SIOCGIWFREQ */
2195 (iw_handler) wlan_set_mode, /* SIOCSIWMODE */
2196 (iw_handler) wlan_get_mode, /* SIOCGIWMODE */
2197 (iw_handler) NULL, /* SIOCSIWSENS */
2198 (iw_handler) NULL, /* SIOCGIWSENS */
2199 (iw_handler) NULL, /* SIOCSIWRANGE */
2200 (iw_handler) wlan_get_range, /* SIOCGIWRANGE */
2201 (iw_handler) NULL, /* SIOCSIWPRIV */
2202 (iw_handler) NULL, /* SIOCGIWPRIV */
2203 (iw_handler) NULL, /* SIOCSIWSTATS */
2204 (iw_handler) NULL, /* SIOCGIWSTATS */
2205 iw_handler_set_spy, /* SIOCSIWSPY */
2206 iw_handler_get_spy, /* SIOCGIWSPY */
2207 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2208 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2209 (iw_handler) wlan_set_wap, /* SIOCSIWAP */
2210 (iw_handler) wlan_get_wap, /* SIOCGIWAP */
2211 (iw_handler) NULL, /* SIOCSIWMLME */
2212 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2213 (iw_handler) libertas_set_scan, /* SIOCSIWSCAN */
2214 (iw_handler) libertas_get_scan, /* SIOCGIWSCAN */
2215 (iw_handler) wlan_set_essid, /* SIOCSIWESSID */
2216 (iw_handler) wlan_get_essid, /* SIOCGIWESSID */
2217 (iw_handler) wlan_set_nick, /* SIOCSIWNICKN */
2218 (iw_handler) wlan_get_nick, /* SIOCGIWNICKN */
2219 (iw_handler) NULL, /* -- hole -- */
2220 (iw_handler) NULL, /* -- hole -- */
2221 (iw_handler) wlan_set_rate, /* SIOCSIWRATE */
2222 (iw_handler) wlan_get_rate, /* SIOCGIWRATE */
2223 (iw_handler) wlan_set_rts, /* SIOCSIWRTS */
2224 (iw_handler) wlan_get_rts, /* SIOCGIWRTS */
2225 (iw_handler) wlan_set_frag, /* SIOCSIWFRAG */
2226 (iw_handler) wlan_get_frag, /* SIOCGIWFRAG */
2227 (iw_handler) wlan_set_txpow, /* SIOCSIWTXPOW */
2228 (iw_handler) wlan_get_txpow, /* SIOCGIWTXPOW */
2229 (iw_handler) wlan_set_retry, /* SIOCSIWRETRY */
2230 (iw_handler) wlan_get_retry, /* SIOCGIWRETRY */
2231 (iw_handler) wlan_set_encode, /* SIOCSIWENCODE */
2232 (iw_handler) wlan_get_encode, /* SIOCGIWENCODE */
2233 (iw_handler) wlan_set_power, /* SIOCSIWPOWER */
2234 (iw_handler) wlan_get_power, /* SIOCGIWPOWER */
2235 (iw_handler) NULL, /* -- hole -- */
2236 (iw_handler) NULL, /* -- hole -- */
2237 (iw_handler) wlan_set_genie, /* SIOCSIWGENIE */
2238 (iw_handler) wlan_get_genie, /* SIOCGIWGENIE */
2239 (iw_handler) wlan_set_auth, /* SIOCSIWAUTH */
2240 (iw_handler) wlan_get_auth, /* SIOCGIWAUTH */
2241 (iw_handler) wlan_set_encodeext,/* SIOCSIWENCODEEXT */
2242 (iw_handler) wlan_get_encodeext,/* SIOCGIWENCODEEXT */
2243 (iw_handler) NULL, /* SIOCSIWPMKSA */
2244 };
2245
2246 static const iw_handler mesh_wlan_handler[] = {
2247 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2248 (iw_handler) wlan_get_name, /* SIOCGIWNAME */
2249 (iw_handler) NULL, /* SIOCSIWNWID */
2250 (iw_handler) NULL, /* SIOCGIWNWID */
2251 (iw_handler) wlan_set_freq, /* SIOCSIWFREQ */
2252 (iw_handler) wlan_get_freq, /* SIOCGIWFREQ */
2253 (iw_handler) NULL, /* SIOCSIWMODE */
2254 (iw_handler) mesh_wlan_get_mode, /* SIOCGIWMODE */
2255 (iw_handler) NULL, /* SIOCSIWSENS */
2256 (iw_handler) NULL, /* SIOCGIWSENS */
2257 (iw_handler) NULL, /* SIOCSIWRANGE */
2258 (iw_handler) wlan_get_range, /* SIOCGIWRANGE */
2259 (iw_handler) NULL, /* SIOCSIWPRIV */
2260 (iw_handler) NULL, /* SIOCGIWPRIV */
2261 (iw_handler) NULL, /* SIOCSIWSTATS */
2262 (iw_handler) NULL, /* SIOCGIWSTATS */
2263 iw_handler_set_spy, /* SIOCSIWSPY */
2264 iw_handler_get_spy, /* SIOCGIWSPY */
2265 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2266 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2267 (iw_handler) NULL, /* SIOCSIWAP */
2268 (iw_handler) NULL, /* SIOCGIWAP */
2269 (iw_handler) NULL, /* SIOCSIWMLME */
2270 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2271 (iw_handler) libertas_set_scan, /* SIOCSIWSCAN */
2272 (iw_handler) libertas_get_scan, /* SIOCGIWSCAN */
2273 (iw_handler) NULL, /* SIOCSIWESSID */
2274 (iw_handler) NULL, /* SIOCGIWESSID */
2275 (iw_handler) NULL, /* SIOCSIWNICKN */
2276 (iw_handler) mesh_get_nick, /* SIOCGIWNICKN */
2277 (iw_handler) NULL, /* -- hole -- */
2278 (iw_handler) NULL, /* -- hole -- */
2279 (iw_handler) wlan_set_rate, /* SIOCSIWRATE */
2280 (iw_handler) wlan_get_rate, /* SIOCGIWRATE */
2281 (iw_handler) wlan_set_rts, /* SIOCSIWRTS */
2282 (iw_handler) wlan_get_rts, /* SIOCGIWRTS */
2283 (iw_handler) wlan_set_frag, /* SIOCSIWFRAG */
2284 (iw_handler) wlan_get_frag, /* SIOCGIWFRAG */
2285 (iw_handler) wlan_set_txpow, /* SIOCSIWTXPOW */
2286 (iw_handler) wlan_get_txpow, /* SIOCGIWTXPOW */
2287 (iw_handler) wlan_set_retry, /* SIOCSIWRETRY */
2288 (iw_handler) wlan_get_retry, /* SIOCGIWRETRY */
2289 (iw_handler) wlan_set_encode, /* SIOCSIWENCODE */
2290 (iw_handler) wlan_get_encode, /* SIOCGIWENCODE */
2291 (iw_handler) wlan_set_power, /* SIOCSIWPOWER */
2292 (iw_handler) wlan_get_power, /* SIOCGIWPOWER */
2293 (iw_handler) NULL, /* -- hole -- */
2294 (iw_handler) NULL, /* -- hole -- */
2295 (iw_handler) wlan_set_genie, /* SIOCSIWGENIE */
2296 (iw_handler) wlan_get_genie, /* SIOCGIWGENIE */
2297 (iw_handler) wlan_set_auth, /* SIOCSIWAUTH */
2298 (iw_handler) wlan_get_auth, /* SIOCGIWAUTH */
2299 (iw_handler) wlan_set_encodeext,/* SIOCSIWENCODEEXT */
2300 (iw_handler) wlan_get_encodeext,/* SIOCGIWENCODEEXT */
2301 (iw_handler) NULL, /* SIOCSIWPMKSA */
2302 };
2303 struct iw_handler_def libertas_handler_def = {
2304 .num_standard = sizeof(wlan_handler) / sizeof(iw_handler),
2305 .standard = (iw_handler *) wlan_handler,
2306 .get_wireless_stats = wlan_get_wireless_stats,
2307 };
2308
2309 struct iw_handler_def mesh_handler_def = {
2310 .num_standard = sizeof(mesh_wlan_handler) / sizeof(iw_handler),
2311 .standard = (iw_handler *) mesh_wlan_handler,
2312 .get_wireless_stats = wlan_get_wireless_stats,
2313 };
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