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[PATCH] libertas: Make WPA work through supplicant handshake
[deliverable/linux.git] / drivers / net / wireless / libertas / wext.c
CommitLineData
876c9d3a
MT		 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"
876c9d3a
MT		 20#include "wext.h"
21#include "assoc.h"
22
23
bf68dac8
HS		 24/**
25 * the rates supported by the card
26 */
27static 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
876c9d3a
MT		 32/**
33 * @brief Convert mw value to dbm value
34 *
35 * @param mw the value of mw
36 * @return the value of dbm
37 */
38static 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 */
86struct 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)
9012b28a
HS		 113 lbs_deb_wext("libertas_find_cfp_by_band_and_channel: can't find "
114 "cfp by band %d / channel %d\n", band, channel);
876c9d3a
MT		 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 */
127static 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)
9012b28a
HS		 154 lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by "
155 "band %d / freq %d\n", band, freq);
876c9d3a
MT		 156
157 return cfp;
158}
159
876c9d3a
MT		 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 */
168int wlan_radio_ioctl(wlan_private * priv, u8 option)
169{
170 int ret = 0;
171 wlan_adapter *adapter = priv->adapter;
172
9012b28a 173 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 174
175 if (adapter->radioon != option) {
9012b28a 176 lbs_deb_wext("switching radio %s\n", option ? "on" : "off");
876c9d3a
MT		 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
9012b28a 185 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 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 */
197static 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 */
217static int get_active_data_rates(wlan_adapter * adapter,
218 u8* rates)
219{
220 int k = 0;
221
9012b28a 222 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 223
224 if (adapter->connect_status != libertas_connected) {
0dc5a290 225 if (adapter->mode == IW_MODE_INFRA) {
9012b28a 226 lbs_deb_wext("infra\n");
876c9d3a
MT		 227 k = copyrates(rates, k, libertas_supported_rates,
228 sizeof(libertas_supported_rates));
229 } else {
9012b28a 230 lbs_deb_wext("Adhoc G\n");
876c9d3a
MT		 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
9012b28a 239 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", k);
876c9d3a
MT		 240 return k;
241}
242
243static 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
9012b28a 251 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 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
9012b28a 269 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 270 return 0;
271}
272
273static 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
9012b28a 280 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 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)
9012b28a 287 lbs_deb_wext("invalid channel %d\n",
876c9d3a
MT		 288 adapter->curbssparams.channel);
289 return -EINVAL;
290 }
291
292 fwrq->m = (long)cfp->freq * 100000;
293 fwrq->e = 1;
294
9012b28a
HS		 295 lbs_deb_wext("freq %u\n", fwrq->m);
296 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 297 return 0;
298}
299
300static 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
9012b28a 306 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 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
9012b28a 315 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 316 return 0;
317}
318
319static 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
9012b28a 325 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 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
9012b28a 340 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 341 return 0;
342}
343
344static 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
9012b28a 350 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 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
9012b28a 371 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 372 return 0;
373}
374
375static int wlan_set_rts(struct net_device *dev, struct iw_request_info *info,
376 struct iw_param *vwrq, char *extra)
377{
378 int ret = 0;
379 wlan_private *priv = dev->priv;
380 wlan_adapter *adapter = priv->adapter;
381 int rthr = vwrq->value;
382
9012b28a 383 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 384
385 if (vwrq->disabled) {
386 adapter->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE;
387 } else {
388 if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE)
389 return -EINVAL;
390 adapter->rtsthsd = rthr;
391 }
392
393 ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
394 cmd_act_set, cmd_option_waitforrsp,
395 OID_802_11_RTS_THRESHOLD, &rthr);
396
9012b28a 397 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 398 return ret;
399}
400
401static int wlan_get_rts(struct net_device *dev, struct iw_request_info *info,
402 struct iw_param *vwrq, char *extra)
403{
404 int ret = 0;
405 wlan_private *priv = dev->priv;
406 wlan_adapter *adapter = priv->adapter;
407
9012b28a 408 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 409
410 adapter->rtsthsd = 0;
411 ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
412 cmd_act_get, cmd_option_waitforrsp,
413 OID_802_11_RTS_THRESHOLD, NULL);
9012b28a
HS		 414 if (ret)
415 goto out;
876c9d3a
MT		 416
417 vwrq->value = adapter->rtsthsd;
418 vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE)
419 || (vwrq->value > MRVDRV_RTS_MAX_VALUE));
420 vwrq->fixed = 1;
421
9012b28a
HS		 422out:
423 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
424 return ret;
876c9d3a
MT		 425}
426
427static int wlan_set_frag(struct net_device *dev, struct iw_request_info *info,
428 struct iw_param *vwrq, char *extra)
429{
430 int ret = 0;
431 int fthr = vwrq->value;
432 wlan_private *priv = dev->priv;
433 wlan_adapter *adapter = priv->adapter;
434
9012b28a 435 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 436
437 if (vwrq->disabled) {
438 adapter->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE;
439 } else {
440 if (fthr < MRVDRV_FRAG_MIN_VALUE
441 || fthr > MRVDRV_FRAG_MAX_VALUE)
442 return -EINVAL;
443 adapter->fragthsd = fthr;
444 }
445
446 ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
447 cmd_act_set, cmd_option_waitforrsp,
448 OID_802_11_FRAGMENTATION_THRESHOLD, &fthr);
9012b28a
HS		 449
450 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 451 return ret;
452}
453
454static int wlan_get_frag(struct net_device *dev, struct iw_request_info *info,
455 struct iw_param *vwrq, char *extra)
456{
457 int ret = 0;
458 wlan_private *priv = dev->priv;
459 wlan_adapter *adapter = priv->adapter;
460
9012b28a 461 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 462
463 adapter->fragthsd = 0;
464 ret = libertas_prepare_and_send_command(priv,
465 cmd_802_11_snmp_mib,
466 cmd_act_get, cmd_option_waitforrsp,
467 OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
9012b28a
HS		 468 if (ret)
469 goto out;
876c9d3a
MT		 470
471 vwrq->value = adapter->fragthsd;
472 vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE)
473 || (vwrq->value > MRVDRV_FRAG_MAX_VALUE));
474 vwrq->fixed = 1;
475
9012b28a
HS		 476out:
477 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 478 return ret;
479}
480
481static int wlan_get_mode(struct net_device *dev,
482 struct iw_request_info *info, u32 * uwrq, char *extra)
483{
484 wlan_private *priv = dev->priv;
485 wlan_adapter *adapter = priv->adapter;
486
9012b28a 487 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a 488
0dc5a290 489 *uwrq = adapter->mode;
876c9d3a 490
9012b28a 491 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 492 return 0;
493}
494
495static int wlan_get_txpow(struct net_device *dev,
496 struct iw_request_info *info,
497 struct iw_param *vwrq, char *extra)
498{
499 int ret = 0;
500 wlan_private *priv = dev->priv;
501 wlan_adapter *adapter = priv->adapter;
502
9012b28a 503 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 504
505 ret = libertas_prepare_and_send_command(priv,
506 cmd_802_11_rf_tx_power,
507 cmd_act_tx_power_opt_get,
508 cmd_option_waitforrsp, 0, NULL);
509
9012b28a
HS		 510 if (ret)
511 goto out;
876c9d3a 512
9012b28a 513 lbs_deb_wext("tx power level %d dbm\n", adapter->txpowerlevel);
876c9d3a
MT		 514 vwrq->value = adapter->txpowerlevel;
515 vwrq->fixed = 1;
516 if (adapter->radioon) {
517 vwrq->disabled = 0;
518 vwrq->flags = IW_TXPOW_DBM;
519 } else {
520 vwrq->disabled = 1;
521 }
522
9012b28a
HS		 523out:
524 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
525 return ret;
876c9d3a
MT		 526}
527
528static int wlan_set_retry(struct net_device *dev, struct iw_request_info *info,
529 struct iw_param *vwrq, char *extra)
530{
531 int ret = 0;
532 wlan_private *priv = dev->priv;
533 wlan_adapter *adapter = priv->adapter;
534
9012b28a 535 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 536
537 if (vwrq->flags == IW_RETRY_LIMIT) {
538 /* The MAC has a 4-bit Total_Tx_Count register
539 Total_Tx_Count = 1 + Tx_Retry_Count */
540#define TX_RETRY_MIN 0
541#define TX_RETRY_MAX 14
542 if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
543 return -EINVAL;
544
545 /* Adding 1 to convert retry count to try count */
546 adapter->txretrycount = vwrq->value + 1;
547
548 ret = libertas_prepare_and_send_command(priv, cmd_802_11_snmp_mib,
549 cmd_act_set,
550 cmd_option_waitforrsp,
551 OID_802_11_TX_RETRYCOUNT, NULL);
552
9012b28a
HS		 553 if (ret)
554 goto out;
876c9d3a
MT		 555 } else {
556 return -EOPNOTSUPP;
557 }
558
9012b28a
HS		 559out:
560 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
561 return ret;
876c9d3a
MT		 562}
563
564static int wlan_get_retry(struct net_device *dev, struct iw_request_info *info,
565 struct iw_param *vwrq, char *extra)
566{
567 wlan_private *priv = dev->priv;
568 wlan_adapter *adapter = priv->adapter;
569 int ret = 0;
570
9012b28a
HS		 571 lbs_deb_enter(LBS_DEB_WEXT);
572
876c9d3a
MT		 573 adapter->txretrycount = 0;
574 ret = libertas_prepare_and_send_command(priv,
575 cmd_802_11_snmp_mib,
576 cmd_act_get, cmd_option_waitforrsp,
577 OID_802_11_TX_RETRYCOUNT, NULL);
9012b28a
HS		 578 if (ret)
579 goto out;
580
876c9d3a
MT		 581 vwrq->disabled = 0;
582 if (!vwrq->flags) {
583 vwrq->flags = IW_RETRY_LIMIT;
584 /* Subtract 1 to convert try count to retry count */
585 vwrq->value = adapter->txretrycount - 1;
586 }
587
9012b28a
HS		 588out:
589 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
590 return ret;
876c9d3a
MT		 591}
592
593static inline void sort_channels(struct iw_freq *freq, int num)
594{
595 int i, j;
596 struct iw_freq temp;
597
598 for (i = 0; i < num; i++)
599 for (j = i + 1; j < num; j++)
600 if (freq[i].i > freq[j].i) {
601 temp.i = freq[i].i;
602 temp.m = freq[i].m;
603
604 freq[i].i = freq[j].i;
605 freq[i].m = freq[j].m;
606
607 freq[j].i = temp.i;
608 freq[j].m = temp.m;
609 }
610}
611
612/* data rate listing
613 MULTI_BANDS:
614 abg a b b/g
615 Infra G(12) A(8) B(4) G(12)
616 Adhoc A+B(12) A(8) B(4) B(4)
617
618 non-MULTI_BANDS:
619 b b/g
620 Infra B(4) G(12)
621 Adhoc B(4) B(4)
622 */
623/**
624 * @brief Get Range Info
625 *
626 * @param dev A pointer to net_device structure
627 * @param info A pointer to iw_request_info structure
628 * @param vwrq A pointer to iw_param structure
629 * @param extra A pointer to extra data buf
630 * @return 0 --success, otherwise fail
631 */
632static int wlan_get_range(struct net_device *dev, struct iw_request_info *info,
633 struct iw_point *dwrq, char *extra)
634{
635 int i, j;
636 wlan_private *priv = dev->priv;
637 wlan_adapter *adapter = priv->adapter;
638 struct iw_range *range = (struct iw_range *)extra;
639 struct chan_freq_power *cfp;
640 u8 rates[WLAN_SUPPORTED_RATES];
641
642 u8 flag = 0;
643
9012b28a 644 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 645
646 dwrq->length = sizeof(struct iw_range);
647 memset(range, 0, sizeof(struct iw_range));
648
649 range->min_nwid = 0;
650 range->max_nwid = 0;
651
652 memset(rates, 0, sizeof(rates));
653 range->num_bitrates = get_active_data_rates(adapter, rates);
654
655 for (i = 0; i < min_t(__u8, range->num_bitrates, IW_MAX_BITRATES) && rates[i];
656 i++) {
657 range->bitrate[i] = (rates[i] & 0x7f) * 500000;
658 }
659 range->num_bitrates = i;
9012b28a 660 lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
876c9d3a
MT		 661 range->num_bitrates);
662
663 range->num_frequency = 0;
664 if (priv->adapter->enable11d &&
665 adapter->connect_status == libertas_connected) {
666 u8 chan_no;
667 u8 band;
668
669 struct parsed_region_chan_11d *parsed_region_chan =
670 &adapter->parsed_region_chan;
671
672 if (parsed_region_chan == NULL) {
9012b28a
HS		 673 lbs_deb_wext("11d: parsed_region_chan is NULL\n");
674 goto out;
876c9d3a
MT		 675 }
676 band = parsed_region_chan->band;
9012b28a 677 lbs_deb_wext("band %d, nr_char %d\n", band,
876c9d3a
MT		 678 parsed_region_chan->nr_chan);
679
680 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
681 && (i < parsed_region_chan->nr_chan); i++) {
682 chan_no = parsed_region_chan->chanpwr[i].chan;
9012b28a 683 lbs_deb_wext("chan_no %d\n", chan_no);
876c9d3a
MT		 684 range->freq[range->num_frequency].i = (long)chan_no;
685 range->freq[range->num_frequency].m =
686 (long)libertas_chan_2_freq(chan_no, band) * 100000;
687 range->freq[range->num_frequency].e = 1;
688 range->num_frequency++;
689 }
690 flag = 1;
691 }
692 if (!flag) {
693 for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
694 && (j < sizeof(adapter->region_channel)
695 / sizeof(adapter->region_channel[0])); j++) {
696 cfp = adapter->region_channel[j].CFP;
697 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
698 && adapter->region_channel[j].valid
699 && cfp
700 && (i < adapter->region_channel[j].nrcfp); i++) {
701 range->freq[range->num_frequency].i =
702 (long)cfp->channel;
703 range->freq[range->num_frequency].m =
704 (long)cfp->freq * 100000;
705 range->freq[range->num_frequency].e = 1;
706 cfp++;
707 range->num_frequency++;
708 }
709 }
710 }
711
9012b28a 712 lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
876c9d3a
MT		 713 IW_MAX_FREQUENCIES, range->num_frequency);
714
715 range->num_channels = range->num_frequency;
716
717 sort_channels(&range->freq[0], range->num_frequency);
718
719 /*
720 * Set an indication of the max TCP throughput in bit/s that we can
721 * expect using this interface
722 */
723 if (i > 2)
724 range->throughput = 5000 * 1000;
725 else
726 range->throughput = 1500 * 1000;
727
728 range->min_rts = MRVDRV_RTS_MIN_VALUE;
729 range->max_rts = MRVDRV_RTS_MAX_VALUE;
730 range->min_frag = MRVDRV_FRAG_MIN_VALUE;
731 range->max_frag = MRVDRV_FRAG_MAX_VALUE;
732
733 range->encoding_size[0] = 5;
734 range->encoding_size[1] = 13;
735 range->num_encoding_sizes = 2;
736 range->max_encoding_tokens = 4;
737
738 range->min_pmp = 1000000;
739 range->max_pmp = 120000000;
740 range->min_pmt = 1000;
741 range->max_pmt = 1000000;
742 range->pmp_flags = IW_POWER_PERIOD;
743 range->pmt_flags = IW_POWER_TIMEOUT;
744 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
745
746 /*
747 * Minimum version we recommend
748 */
749 range->we_version_source = 15;
750
751 /*
752 * Version we are compiled with
753 */
754 range->we_version_compiled = WIRELESS_EXT;
755
756 range->retry_capa = IW_RETRY_LIMIT;
757 range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
758
759 range->min_retry = TX_RETRY_MIN;
760 range->max_retry = TX_RETRY_MAX;
761
762 /*
763 * Set the qual, level and noise range values
764 */
765 range->max_qual.qual = 100;
766 range->max_qual.level = 0;
767 range->max_qual.noise = 0;
768 range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
769
770 range->avg_qual.qual = 70;
771 /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
772 range->avg_qual.level = 0;
773 range->avg_qual.noise = 0;
774 range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
775
776 range->sensitivity = 0;
777
778 /*
779 * Setup the supported power level ranges
780 */
781 memset(range->txpower, 0, sizeof(range->txpower));
782 range->txpower[0] = 5;
783 range->txpower[1] = 7;
784 range->txpower[2] = 9;
785 range->txpower[3] = 11;
786 range->txpower[4] = 13;
787 range->txpower[5] = 15;
788 range->txpower[6] = 17;
789 range->txpower[7] = 19;
790
791 range->num_txpower = 8;
792 range->txpower_capa = IW_TXPOW_DBM;
793 range->txpower_capa |= IW_TXPOW_RANGE;
794
795 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
796 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
797 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
798 range->event_capa[1] = IW_EVENT_CAPA_K_1;
799
800 if (adapter->fwcapinfo & FW_CAPINFO_WPA) {
801 range->enc_capa = IW_ENC_CAPA_WPA
802 | IW_ENC_CAPA_WPA2
803 | IW_ENC_CAPA_CIPHER_TKIP
804 | IW_ENC_CAPA_CIPHER_CCMP;
805 }
806
9012b28a
HS		 807out:
808 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 809 return 0;
810}
811
812static int wlan_set_power(struct net_device *dev, struct iw_request_info *info,
813 struct iw_param *vwrq, char *extra)
814{
815 wlan_private *priv = dev->priv;
816 wlan_adapter *adapter = priv->adapter;
817
9012b28a 818 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 819
820 /* PS is currently supported only in Infrastructure mode
821 * Remove this check if it is to be supported in IBSS mode also
822 */
823
824 if (vwrq->disabled) {
825 adapter->psmode = wlan802_11powermodecam;
826 if (adapter->psstate != PS_STATE_FULL_POWER) {
827 libertas_ps_wakeup(priv, cmd_option_waitforrsp);
828 }
829
830 return 0;
831 }
832
833 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
9012b28a
HS		 834 lbs_deb_wext(
835 "setting power timeout is not supported\n");
876c9d3a
MT		 836 return -EINVAL;
837 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
9012b28a 838 lbs_deb_wext("setting power period not supported\n");
876c9d3a
MT		 839 return -EINVAL;
840 }
841
842 if (adapter->psmode != wlan802_11powermodecam) {
843 return 0;
844 }
845
846 adapter->psmode = wlan802_11powermodemax_psp;
847
848 if (adapter->connect_status == libertas_connected) {
849 libertas_ps_sleep(priv, cmd_option_waitforrsp);
850 }
851
9012b28a 852 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 853 return 0;
854}
855
856static int wlan_get_power(struct net_device *dev, struct iw_request_info *info,
857 struct iw_param *vwrq, char *extra)
858{
859 wlan_private *priv = dev->priv;
860 wlan_adapter *adapter = priv->adapter;
861 int mode;
862
9012b28a 863 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 864
865 mode = adapter->psmode;
866
867 if ((vwrq->disabled = (mode == wlan802_11powermodecam))
9012b28a
HS		 868 || adapter->connect_status == libertas_disconnected)
869 {
870 goto out;
876c9d3a
MT		 871 }
872
873 vwrq->value = 0;
874
9012b28a
HS		 875out:
876 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 877 return 0;
878}
879
880/*
881 * iwpriv settable callbacks
882 */
883
884static const iw_handler wlan_private_handler[] = {
885 NULL, /* SIOCIWFIRSTPRIV */
886};
887
888static const struct iw_priv_args wlan_private_args[] = {
889 /*
890 * { cmd, set_args, get_args, name }
891 */
876c9d3a
MT		 892 /* Using iwpriv sub-command feature */
893 {
894 WLAN_SETONEINT_GETNONE, /* IOCTL: 24 */
895 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
896 IW_PRIV_TYPE_NONE,
897 ""},
876c9d3a
MT		 898 {
899 WLANSETREGION,
900 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
901 IW_PRIV_TYPE_NONE,
902 "setregioncode"},
876c9d3a
MT		 903 {
904 WLAN_SUBCMD_MESH_SET_TTL,
905 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
906 IW_PRIV_TYPE_NONE,
907 "mesh_set_ttl"},
908 {
909 WLAN_SETNONE_GETONEINT,
910 IW_PRIV_TYPE_NONE,
911 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
912 ""},
913 {
914 WLANGETREGION,
915 IW_PRIV_TYPE_NONE,
916 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
917 "getregioncode"},
876c9d3a
MT		 918 {
919 WLAN_SUBCMD_FWT_CLEANUP,
920 IW_PRIV_TYPE_NONE,
921 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
922 "fwt_cleanup"},
923 {
924 WLAN_SUBCMD_FWT_TIME,
925 IW_PRIV_TYPE_NONE,
926 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
927 "fwt_time"},
928 {
929 WLAN_SUBCMD_MESH_GET_TTL,
930 IW_PRIV_TYPE_NONE,
931 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
932 "mesh_get_ttl"},
876c9d3a
MT		 933 {
934 WLAN_SETNONE_GETNONE,
935 IW_PRIV_TYPE_NONE,
936 IW_PRIV_TYPE_NONE,
937 ""},
876c9d3a
MT		 938 {
939 WLAN_SUBCMD_FWT_RESET,
940 IW_PRIV_TYPE_NONE,
941 IW_PRIV_TYPE_NONE,
942 "fwt_reset"},
943 {
944 WLAN_SUBCMD_BT_RESET,
945 IW_PRIV_TYPE_NONE,
946 IW_PRIV_TYPE_NONE,
947 "bt_reset"},
948 {
949 WLAN_SET128CHAR_GET128CHAR,
950 IW_PRIV_TYPE_CHAR | 128,
951 IW_PRIV_TYPE_CHAR | 128,
952 ""},
953 /* BT Management */
954 {
955 WLAN_SUBCMD_BT_ADD,
956 IW_PRIV_TYPE_CHAR | 128,
957 IW_PRIV_TYPE_CHAR | 128,
958 "bt_add"},
959 {
960 WLAN_SUBCMD_BT_DEL,
961 IW_PRIV_TYPE_CHAR | 128,
962 IW_PRIV_TYPE_CHAR | 128,
963 "bt_del"},
964 {
965 WLAN_SUBCMD_BT_LIST,
966 IW_PRIV_TYPE_CHAR | 128,
967 IW_PRIV_TYPE_CHAR | 128,
968 "bt_list"},
90e8eafc
LCC		 969 {
970 WLAN_SUBCMD_BT_SET_INVERT,
971 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
972 IW_PRIV_TYPE_NONE,
973 "bt_set_invert"},
974 {
975 WLAN_SUBCMD_BT_GET_INVERT,
976 IW_PRIV_TYPE_NONE,
977 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
978 "bt_get_invert"},
876c9d3a
MT		 979 /* FWT Management */
980 {
981 WLAN_SUBCMD_FWT_ADD,
982 IW_PRIV_TYPE_CHAR | 128,
983 IW_PRIV_TYPE_CHAR | 128,
984 "fwt_add"},
985 {
986 WLAN_SUBCMD_FWT_DEL,
987 IW_PRIV_TYPE_CHAR | 128,
988 IW_PRIV_TYPE_CHAR | 128,
989 "fwt_del"},
990 {
991 WLAN_SUBCMD_FWT_LOOKUP,
992 IW_PRIV_TYPE_CHAR | 128,
993 IW_PRIV_TYPE_CHAR | 128,
994 "fwt_lookup"},
995 {
996 WLAN_SUBCMD_FWT_LIST_NEIGHBOR,
997 IW_PRIV_TYPE_CHAR | 128,
998 IW_PRIV_TYPE_CHAR | 128,
999 "fwt_list_neigh"},
1000 {
1001 WLAN_SUBCMD_FWT_LIST,
1002 IW_PRIV_TYPE_CHAR | 128,
1003 IW_PRIV_TYPE_CHAR | 128,
1004 "fwt_list"},
1005 {
1006 WLAN_SUBCMD_FWT_LIST_ROUTE,
1007 IW_PRIV_TYPE_CHAR | 128,
1008 IW_PRIV_TYPE_CHAR | 128,
1009 "fwt_list_route"},
876c9d3a
MT		 1010 {
1011 WLAN_SET_GET_SIXTEEN_INT,
1012 IW_PRIV_TYPE_INT | 16,
1013 IW_PRIV_TYPE_INT | 16,
1014 ""},
876c9d3a
MT		 1015 {
1016 WLAN_LED_GPIO_CTRL,
1017 IW_PRIV_TYPE_INT | 16,
1018 IW_PRIV_TYPE_INT | 16,
1019 "ledgpio"},
876c9d3a
MT		 1020};
1021
1022static struct iw_statistics *wlan_get_wireless_stats(struct net_device *dev)
1023{
1024 enum {
1025 POOR = 30,
1026 FAIR = 60,
1027 GOOD = 80,
1028 VERY_GOOD = 90,
1029 EXCELLENT = 95,
1030 PERFECT = 100
1031 };
1032 wlan_private *priv = dev->priv;
1033 wlan_adapter *adapter = priv->adapter;
1034 u32 rssi_qual;
1035 u32 tx_qual;
1036 u32 quality = 0;
1037 int stats_valid = 0;
1038 u8 rssi;
1039 u32 tx_retries;
1040
9012b28a 1041 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a 1042
0dc5a290 1043 priv->wstats.status = adapter->mode;
876c9d3a
MT		 1044
1045 /* If we're not associated, all quality values are meaningless */
1046 if (adapter->connect_status != libertas_connected)
1047 goto out;
1048
1049 /* Quality by RSSI */
1050 priv->wstats.qual.level =
1051 CAL_RSSI(adapter->SNR[TYPE_BEACON][TYPE_NOAVG],
1052 adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
1053
1054 if (adapter->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
1055 priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
1056 } else {
1057 priv->wstats.qual.noise =
1058 CAL_NF(adapter->NF[TYPE_BEACON][TYPE_NOAVG]);
1059 }
1060
9012b28a
HS		 1061 lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
1062 lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
876c9d3a
MT		 1063
1064 rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
1065 if (rssi < 15)
1066 rssi_qual = rssi * POOR / 10;
1067 else if (rssi < 20)
1068 rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
1069 else if (rssi < 30)
1070 rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
1071 else if (rssi < 40)
1072 rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
1073 10 + GOOD;
1074 else
1075 rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
1076 10 + VERY_GOOD;
1077 quality = rssi_qual;
1078
1079 /* Quality by TX errors */
1080 priv->wstats.discard.retries = priv->stats.tx_errors;
1081
1082 tx_retries = adapter->logmsg.retry;
1083
1084 if (tx_retries > 75)
1085 tx_qual = (90 - tx_retries) * POOR / 15;
1086 else if (tx_retries > 70)
1087 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
1088 else if (tx_retries > 65)
1089 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
1090 else if (tx_retries > 50)
1091 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
1092 15 + GOOD;
1093 else
1094 tx_qual = (50 - tx_retries) *
1095 (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
1096 quality = min(quality, tx_qual);
1097
1098 priv->wstats.discard.code = adapter->logmsg.wepundecryptable;
60045136 1099 priv->wstats.discard.fragment = adapter->logmsg.rxfrag;
876c9d3a
MT		 1100 priv->wstats.discard.retries = tx_retries;
1101 priv->wstats.discard.misc = adapter->logmsg.ackfailure;
1102
1103 /* Calculate quality */
1104 priv->wstats.qual.qual = max(quality, (u32)100);
1105 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
1106 stats_valid = 1;
1107
1108 /* update stats asynchronously for future calls */
1109 libertas_prepare_and_send_command(priv, cmd_802_11_rssi, 0,
1110 0, 0, NULL);
1111 libertas_prepare_and_send_command(priv, cmd_802_11_get_log, 0,
1112 0, 0, NULL);
1113out:
1114 if (!stats_valid) {
1115 priv->wstats.miss.beacon = 0;
1116 priv->wstats.discard.retries = 0;
1117 priv->wstats.qual.qual = 0;
1118 priv->wstats.qual.level = 0;
1119 priv->wstats.qual.noise = 0;
1120 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
1121 priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
1122 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
1123 }
1124
9012b28a 1125 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 1126 return &priv->wstats;
1127
1128
1129}
1130
1131static int wlan_set_freq(struct net_device *dev, struct iw_request_info *info,
1132 struct iw_freq *fwrq, char *extra)
1133{
ef9a264b 1134 int ret = -EINVAL;
876c9d3a
MT		 1135 wlan_private *priv = dev->priv;
1136 wlan_adapter *adapter = priv->adapter;
876c9d3a 1137 struct chan_freq_power *cfp;
ef9a264b 1138 struct assoc_request * assoc_req;
876c9d3a 1139
9012b28a 1140 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a 1141
ef9a264b
DW		 1142 mutex_lock(&adapter->lock);
1143 assoc_req = wlan_get_association_request(adapter);
1144 if (!assoc_req) {
1145 ret = -ENOMEM;
1146 goto out;
1147 }
876c9d3a 1148
ef9a264b
DW		 1149 /* If setting by frequency, convert to a channel */
1150 if (fwrq->e == 1) {
876c9d3a 1151 long f = fwrq->m / 100000;
876c9d3a
MT		 1152
1153 cfp = find_cfp_by_band_and_freq(adapter, 0, f);
1154 if (!cfp) {
9012b28a 1155 lbs_deb_wext("invalid freq %ld\n", f);
ef9a264b 1156 goto out;
876c9d3a
MT		 1157 }
1158
876c9d3a 1159 fwrq->e = 0;
ef9a264b 1160 fwrq->m = (int) cfp->channel;
876c9d3a
MT		 1161 }
1162
ef9a264b 1163 /* Setting by channel number */
876c9d3a 1164 if (fwrq->m > 1000 || fwrq->e > 0) {
ef9a264b
DW		 1165 goto out;
1166 }
876c9d3a 1167
ef9a264b
DW		 1168 cfp = libertas_find_cfp_by_band_and_channel(adapter, 0, fwrq->m);
1169 if (!cfp) {
1170 goto out;
876c9d3a
MT		 1171 }
1172
ef9a264b
DW		 1173 assoc_req->channel = fwrq->m;
1174 ret = 0;
1175
9012b28a 1176out:
ef9a264b
DW		 1177 if (ret == 0) {
1178 set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
1179 wlan_postpone_association_work(priv);
1180 } else {
1181 wlan_cancel_association_work(priv);
1182 }
1183 mutex_unlock(&adapter->lock);
1184
1185 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1186 return ret;
876c9d3a
MT		 1187}
1188
1189/**
1190 * @brief use index to get the data rate
1191 *
1192 * @param index The index of data rate
1193 * @return data rate or 0
1194 */
1195u32 libertas_index_to_data_rate(u8 index)
1196{
1197 if (index >= sizeof(libertas_wlan_data_rates))
1198 index = 0;
1199
1200 return libertas_wlan_data_rates[index];
1201}
1202
1203/**
1204 * @brief use rate to get the index
1205 *
1206 * @param rate data rate
1207 * @return index or 0
1208 */
1209u8 libertas_data_rate_to_index(u32 rate)
1210{
1211 u8 *ptr;
1212
1213 if (rate)
1214 if ((ptr = memchr(libertas_wlan_data_rates, (u8) rate,
1215 sizeof(libertas_wlan_data_rates))))
1216 return (ptr - libertas_wlan_data_rates);
1217
1218 return 0;
1219}
1220
1221static int wlan_set_rate(struct net_device *dev, struct iw_request_info *info,
1222 struct iw_param *vwrq, char *extra)
1223{
1224 wlan_private *priv = dev->priv;
1225 wlan_adapter *adapter = priv->adapter;
1226 u32 data_rate;
1227 u16 action;
1228 int ret = 0;
1229 u8 rates[WLAN_SUPPORTED_RATES];
1230 u8 *rate;
1231
9012b28a 1232 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a 1233
9012b28a 1234 lbs_deb_wext("vwrq->value %d\n", vwrq->value);
876c9d3a
MT		 1235
1236 if (vwrq->value == -1) {
1237 action = cmd_act_set_tx_auto; // Auto
1238 adapter->is_datarate_auto = 1;
1239 adapter->datarate = 0;
1240 } else {
1241 if (vwrq->value % 100000) {
1242 return -EINVAL;
1243 }
1244
1245 data_rate = vwrq->value / 500000;
1246
1247 memset(rates, 0, sizeof(rates));
1248 get_active_data_rates(adapter, rates);
1249 rate = rates;
1250 while (*rate) {
9012b28a 1251 lbs_deb_wext("rate=0x%X, wanted data_rate 0x%X\n", *rate,
876c9d3a
MT		 1252 data_rate);
1253 if ((*rate & 0x7f) == (data_rate & 0x7f))
1254 break;
1255 rate++;
1256 }
1257 if (!*rate) {
9012b28a
HS		 1258 lbs_pr_alert("fixed data rate 0x%X out "
1259 "of range\n", data_rate);
876c9d3a
MT		 1260 return -EINVAL;
1261 }
1262
1263 adapter->datarate = data_rate;
1264 action = cmd_act_set_tx_fix_rate;
1265 adapter->is_datarate_auto = 0;
1266 }
1267
1268 ret = libertas_prepare_and_send_command(priv, cmd_802_11_data_rate,
1269 action, cmd_option_waitforrsp, 0, NULL);
1270
9012b28a 1271 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 1272 return ret;
1273}
1274
1275static int wlan_get_rate(struct net_device *dev, struct iw_request_info *info,
1276 struct iw_param *vwrq, char *extra)
1277{
1278 wlan_private *priv = dev->priv;
1279 wlan_adapter *adapter = priv->adapter;
1280
9012b28a 1281 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 1282
1283 if (adapter->is_datarate_auto) {
1284 vwrq->fixed = 0;
1285 } else {
1286 vwrq->fixed = 1;
1287 }
1288
1289 vwrq->value = adapter->datarate * 500000;
1290
9012b28a 1291 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 1292 return 0;
1293}
1294
1295static int wlan_set_mode(struct net_device *dev,
1296 struct iw_request_info *info, u32 * uwrq, char *extra)
1297{
1298 int ret = 0;
1299 wlan_private *priv = dev->priv;
1300 wlan_adapter *adapter = priv->adapter;
1301 struct assoc_request * assoc_req;
876c9d3a 1302
9012b28a 1303 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a 1304
0dc5a290
DW		 1305 if ( (*uwrq != IW_MODE_ADHOC)
1306 && (*uwrq != IW_MODE_INFRA)
1307 && (*uwrq != IW_MODE_AUTO)) {
9012b28a 1308 lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
0dc5a290
DW		 1309 ret = -EINVAL;
1310 goto out;
876c9d3a
MT		 1311 }
1312
1313 mutex_lock(&adapter->lock);
1314 assoc_req = wlan_get_association_request(adapter);
1315 if (!assoc_req) {
1316 ret = -ENOMEM;
0dc5a290 1317 wlan_cancel_association_work(priv);
876c9d3a 1318 } else {
0dc5a290 1319 assoc_req->mode = *uwrq;
876c9d3a
MT		 1320 set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1321 wlan_postpone_association_work(priv);
9012b28a 1322 lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
876c9d3a
MT		 1323 }
1324 mutex_unlock(&adapter->lock);
1325
0dc5a290 1326out:
9012b28a 1327 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 1328 return ret;
1329}
1330
1331
1332/**
1333 * @brief Get Encryption key
1334 *
1335 * @param dev A pointer to net_device structure
1336 * @param info A pointer to iw_request_info structure
1337 * @param vwrq A pointer to iw_param structure
1338 * @param extra A pointer to extra data buf
1339 * @return 0 --success, otherwise fail
1340 */
1341static int wlan_get_encode(struct net_device *dev,
1342 struct iw_request_info *info,
1343 struct iw_point *dwrq, u8 * extra)
1344{
1345 wlan_private *priv = dev->priv;
1346 wlan_adapter *adapter = priv->adapter;
1347 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1348
9012b28a 1349 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a 1350
9012b28a 1351 lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
876c9d3a
MT		 1352 dwrq->flags, index, dwrq->length, adapter->wep_tx_keyidx);
1353
1354 dwrq->flags = 0;
1355
1356 /* Authentication method */
6affe785
DW		 1357 switch (adapter->secinfo.auth_mode) {
1358 case IW_AUTH_ALG_OPEN_SYSTEM:
876c9d3a
MT		 1359 dwrq->flags = IW_ENCODE_OPEN;
1360 break;
1361
6affe785
DW		 1362 case IW_AUTH_ALG_SHARED_KEY:
1363 case IW_AUTH_ALG_LEAP:
876c9d3a
MT		 1364 dwrq->flags = IW_ENCODE_RESTRICTED;
1365 break;
1366 default:
1367 dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
1368 break;
1369 }
1370
889c05bd
DW		 1371 if ( adapter->secinfo.wep_enabled
1372 || adapter->secinfo.WPAenabled
1373 || adapter->secinfo.WPA2enabled) {
876c9d3a
MT		 1374 dwrq->flags &= ~IW_ENCODE_DISABLED;
1375 } else {
1376 dwrq->flags |= IW_ENCODE_DISABLED;
1377 }
1378
1379 memset(extra, 0, 16);
1380
1381 mutex_lock(&adapter->lock);
1382
1383 /* Default to returning current transmit key */
1384 if (index < 0)
1385 index = adapter->wep_tx_keyidx;
1386
889c05bd 1387 if ((adapter->wep_keys[index].len) && adapter->secinfo.wep_enabled) {
876c9d3a
MT		 1388 memcpy(extra, adapter->wep_keys[index].key,
1389 adapter->wep_keys[index].len);
1390 dwrq->length = adapter->wep_keys[index].len;
1391
1392 dwrq->flags |= (index + 1);
1393 /* Return WEP enabled */
1394 dwrq->flags &= ~IW_ENCODE_DISABLED;
1395 } else if ((adapter->secinfo.WPAenabled)
1396 || (adapter->secinfo.WPA2enabled)) {
1397 /* return WPA enabled */
1398 dwrq->flags &= ~IW_ENCODE_DISABLED;
1399 } else {
1400 dwrq->flags |= IW_ENCODE_DISABLED;
1401 }
1402
1403 mutex_unlock(&adapter->lock);
1404
1405 dwrq->flags |= IW_ENCODE_NOKEY;
1406
9012b28a 1407 lbs_deb_wext("key: " MAC_FMT ", keylen %d\n",
876c9d3a
MT		 1408 extra[0], extra[1], extra[2],
1409 extra[3], extra[4], extra[5], dwrq->length);
1410
9012b28a 1411 lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
876c9d3a 1412
9012b28a 1413 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 1414 return 0;
1415}
1416
1417/**
1418 * @brief Set Encryption key (internal)
1419 *
1420 * @param priv A pointer to private card structure
1421 * @param key_material A pointer to key material
1422 * @param key_length length of key material
1423 * @param index key index to set
1424 * @param set_tx_key Force set TX key (1 = yes, 0 = no)
1425 * @return 0 --success, otherwise fail
1426 */
1427static int wlan_set_wep_key(struct assoc_request *assoc_req,
1428 const char *key_material,
1429 u16 key_length,
1430 u16 index,
1431 int set_tx_key)
1432{
9012b28a 1433 int ret = 0;
876c9d3a
MT		 1434 struct WLAN_802_11_KEY *pkey;
1435
9012b28a 1436 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 1437
1438 /* Paranoid validation of key index */
1439 if (index > 3) {
9012b28a
HS		 1440 ret = -EINVAL;
1441 goto out;
876c9d3a
MT		 1442 }
1443
1444 /* validate max key length */
1445 if (key_length > KEY_LEN_WEP_104) {
9012b28a
HS		 1446 ret = -EINVAL;
1447 goto out;
876c9d3a
MT		 1448 }
1449
1450 pkey = &assoc_req->wep_keys[index];
1451
1452 if (key_length > 0) {
1453 memset(pkey, 0, sizeof(struct WLAN_802_11_KEY));
1454 pkey->type = KEY_TYPE_ID_WEP;
1455
1456 /* Standardize the key length */
1457 pkey->len = (key_length > KEY_LEN_WEP_40) ?
1458 KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
1459 memcpy(pkey->key, key_material, key_length);
1460 }
1461
1462 if (set_tx_key) {
1463 /* Ensure the chosen key is valid */
1464 if (!pkey->len) {
9012b28a
HS		 1465 lbs_deb_wext("key not set, so cannot enable it\n");
1466 ret = -EINVAL;
1467 goto out;
876c9d3a
MT		 1468 }
1469 assoc_req->wep_tx_keyidx = index;
1470 }
1471
889c05bd 1472 assoc_req->secinfo.wep_enabled = 1;
876c9d3a 1473
9012b28a
HS		 1474out:
1475 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1476 return ret;
876c9d3a
MT		 1477}
1478
1479static int validate_key_index(u16 def_index, u16 raw_index,
1480 u16 *out_index, u16 *is_default)
1481{
1482 if (!out_index || !is_default)
1483 return -EINVAL;
1484
1485 /* Verify index if present, otherwise use default TX key index */
1486 if (raw_index > 0) {
1487 if (raw_index > 4)
1488 return -EINVAL;
1489 *out_index = raw_index - 1;
1490 } else {
1491 *out_index = def_index;
1492 *is_default = 1;
1493 }
1494 return 0;
1495}
1496
1497static void disable_wep(struct assoc_request *assoc_req)
1498{
1499 int i;
1500
90a42210
DW		 1501 lbs_deb_enter(LBS_DEB_WEXT);
1502
876c9d3a 1503 /* Set Open System auth mode */
6affe785 1504 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
876c9d3a
MT		 1505
1506 /* Clear WEP keys and mark WEP as disabled */
889c05bd 1507 assoc_req->secinfo.wep_enabled = 0;
876c9d3a
MT		 1508 for (i = 0; i < 4; i++)
1509 assoc_req->wep_keys[i].len = 0;
1510
1511 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1512 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
90a42210
DW		 1513
1514 lbs_deb_leave(LBS_DEB_WEXT);
1515}
1516
1517static void disable_wpa(struct assoc_request *assoc_req)
1518{
1519 lbs_deb_enter(LBS_DEB_WEXT);
1520
1521 memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct WLAN_802_11_KEY));
1522 assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
1523 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1524
1525 memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct WLAN_802_11_KEY));
1526 assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
1527 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1528
1529 assoc_req->secinfo.WPAenabled = 0;
1530 assoc_req->secinfo.WPA2enabled = 0;
1531 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1532
1533 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 1534}
1535
1536/**
1537 * @brief Set Encryption key
1538 *
1539 * @param dev A pointer to net_device structure
1540 * @param info A pointer to iw_request_info structure
1541 * @param vwrq A pointer to iw_param structure
1542 * @param extra A pointer to extra data buf
1543 * @return 0 --success, otherwise fail
1544 */
1545static int wlan_set_encode(struct net_device *dev,
1546 struct iw_request_info *info,
1547 struct iw_point *dwrq, char *extra)
1548{
1549 int ret = 0;
1550 wlan_private *priv = dev->priv;
1551 wlan_adapter *adapter = priv->adapter;
1552 struct assoc_request * assoc_req;
1553 u16 is_default = 0, index = 0, set_tx_key = 0;
1554
9012b28a 1555 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 1556
1557 mutex_lock(&adapter->lock);
1558 assoc_req = wlan_get_association_request(adapter);
1559 if (!assoc_req) {
1560 ret = -ENOMEM;
1561 goto out;
1562 }
1563
1564 if (dwrq->flags & IW_ENCODE_DISABLED) {
1565 disable_wep (assoc_req);
90a42210 1566 disable_wpa (assoc_req);
876c9d3a
MT		 1567 goto out;
1568 }
1569
1570 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1571 (dwrq->flags & IW_ENCODE_INDEX),
1572 &index, &is_default);
1573 if (ret) {
1574 ret = -EINVAL;
1575 goto out;
1576 }
1577
1578 /* If WEP isn't enabled, or if there is no key data but a valid
1579 * index, set the TX key.
1580 */
889c05bd 1581 if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
876c9d3a
MT		 1582 set_tx_key = 1;
1583
1584 ret = wlan_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1585 if (ret)
1586 goto out;
1587
1588 if (dwrq->length)
1589 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1590 if (set_tx_key)
1591 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1592
1593 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
6affe785 1594 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
876c9d3a 1595 } else if (dwrq->flags & IW_ENCODE_OPEN) {
6affe785 1596 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
876c9d3a
MT		 1597 }
1598
1599out:
1600 if (ret == 0) {
1601 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1602 wlan_postpone_association_work(priv);
1603 } else {
1604 wlan_cancel_association_work(priv);
1605 }
1606 mutex_unlock(&adapter->lock);
1607
9012b28a 1608 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 1609 return ret;
1610}
1611
1612/**
1613 * @brief Get Extended Encryption key (WPA/802.1x and WEP)
1614 *
1615 * @param dev A pointer to net_device structure
1616 * @param info A pointer to iw_request_info structure
1617 * @param vwrq A pointer to iw_param structure
1618 * @param extra A pointer to extra data buf
1619 * @return 0 on success, otherwise failure
1620 */
1621static int wlan_get_encodeext(struct net_device *dev,
1622 struct iw_request_info *info,
1623 struct iw_point *dwrq,
1624 char *extra)
1625{
1626 int ret = -EINVAL;
1627 wlan_private *priv = dev->priv;
1628 wlan_adapter *adapter = priv->adapter;
1629 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1630 int index, max_key_len;
1631
9012b28a 1632 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 1633
1634 max_key_len = dwrq->length - sizeof(*ext);
1635 if (max_key_len < 0)
1636 goto out;
1637
1638 index = dwrq->flags & IW_ENCODE_INDEX;
1639 if (index) {
1640 if (index < 1 || index > 4)
1641 goto out;
1642 index--;
1643 } else {
1644 index = adapter->wep_tx_keyidx;
1645 }
1646
1647 if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY &&
1648 ext->alg != IW_ENCODE_ALG_WEP) {
0dc5a290 1649 if (index != 0 || adapter->mode != IW_MODE_INFRA)
876c9d3a
MT		 1650 goto out;
1651 }
1652
1653 dwrq->flags = index + 1;
1654 memset(ext, 0, sizeof(*ext));
1655
889c05bd
DW		 1656 if ( !adapter->secinfo.wep_enabled
1657 && !adapter->secinfo.WPAenabled
1658 && !adapter->secinfo.WPA2enabled) {
876c9d3a
MT		 1659 ext->alg = IW_ENCODE_ALG_NONE;
1660 ext->key_len = 0;
1661 dwrq->flags |= IW_ENCODE_DISABLED;
1662 } else {
1663 u8 *key = NULL;
1664
889c05bd 1665 if ( adapter->secinfo.wep_enabled
876c9d3a
MT		 1666 && !adapter->secinfo.WPAenabled
1667 && !adapter->secinfo.WPA2enabled) {
90a42210 1668 /* WEP */
876c9d3a
MT		 1669 ext->alg = IW_ENCODE_ALG_WEP;
1670 ext->key_len = adapter->wep_keys[index].len;
1671 key = &adapter->wep_keys[index].key[0];
889c05bd
DW		 1672 } else if ( !adapter->secinfo.wep_enabled
1673 && (adapter->secinfo.WPAenabled ||
1674 adapter->secinfo.WPA2enabled)) {
876c9d3a 1675 /* WPA */
90a42210
DW		 1676 struct WLAN_802_11_KEY * pkey = NULL;
1677
1678 if ( adapter->wpa_mcast_key.len
1679 && (adapter->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
1680 pkey = &adapter->wpa_mcast_key;
1681 else if ( adapter->wpa_unicast_key.len
1682 && (adapter->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
1683 pkey = &adapter->wpa_unicast_key;
1684
1685 if (pkey) {
1686 if (pkey->type == KEY_TYPE_ID_AES) {
1687 ext->alg = IW_ENCODE_ALG_CCMP;
1688 } else {
1689 ext->alg = IW_ENCODE_ALG_TKIP;
1690 }
1691 ext->key_len = pkey->len;
1692 key = &pkey->key[0];
1693 } else {
1694 ext->alg = IW_ENCODE_ALG_TKIP;
1695 ext->key_len = 0;
1696 }
876c9d3a
MT		 1697 } else {
1698 goto out;
1699 }
1700
1701 if (ext->key_len > max_key_len) {
1702 ret = -E2BIG;
1703 goto out;
1704 }
1705
1706 if (ext->key_len)
1707 memcpy(ext->key, key, ext->key_len);
1708 else
1709 dwrq->flags |= IW_ENCODE_NOKEY;
1710 dwrq->flags |= IW_ENCODE_ENABLED;
1711 }
1712 ret = 0;
1713
1714out:
9012b28a 1715 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 1716 return ret;
1717}
1718
1719/**
1720 * @brief Set Encryption key Extended (WPA/802.1x and WEP)
1721 *
1722 * @param dev A pointer to net_device structure
1723 * @param info A pointer to iw_request_info structure
1724 * @param vwrq A pointer to iw_param structure
1725 * @param extra A pointer to extra data buf
1726 * @return 0 --success, otherwise fail
1727 */
1728static int wlan_set_encodeext(struct net_device *dev,
1729 struct iw_request_info *info,
1730 struct iw_point *dwrq,
1731 char *extra)
1732{
1733 int ret = 0;
1734 wlan_private *priv = dev->priv;
1735 wlan_adapter *adapter = priv->adapter;
1736 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1737 int alg = ext->alg;
1738 struct assoc_request * assoc_req;
1739
9012b28a 1740 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 1741
1742 mutex_lock(&adapter->lock);
1743 assoc_req = wlan_get_association_request(adapter);
1744 if (!assoc_req) {
1745 ret = -ENOMEM;
1746 goto out;
1747 }
1748
1749 if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
1750 disable_wep (assoc_req);
90a42210 1751 disable_wpa (assoc_req);
876c9d3a
MT		 1752 } else if (alg == IW_ENCODE_ALG_WEP) {
1753 u16 is_default = 0, index, set_tx_key = 0;
1754
1755 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1756 (dwrq->flags & IW_ENCODE_INDEX),
1757 &index, &is_default);
1758 if (ret)
1759 goto out;
1760
1761 /* If WEP isn't enabled, or if there is no key data but a valid
1762 * index, or if the set-TX-key flag was passed, set the TX key.
1763 */
889c05bd 1764 if ( !assoc_req->secinfo.wep_enabled
876c9d3a
MT		 1765 || (dwrq->length == 0 && !is_default)
1766 || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
1767 set_tx_key = 1;
1768
1769 /* Copy key to driver */
1770 ret = wlan_set_wep_key (assoc_req, ext->key, ext->key_len, index,
1771 set_tx_key);
1772 if (ret)
1773 goto out;
1774
1775 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
6affe785 1776 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
876c9d3a 1777 } else if (dwrq->flags & IW_ENCODE_OPEN) {
6affe785 1778 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
876c9d3a
MT		 1779 }
1780
1781 /* Mark the various WEP bits as modified */
1782 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1783 if (dwrq->length)
1784 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1785 if (set_tx_key)
1786 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
876c9d3a
MT		 1787 } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1788 struct WLAN_802_11_KEY * pkey;
1789
1790 /* validate key length */
1791 if (((alg == IW_ENCODE_ALG_TKIP)
1792 && (ext->key_len != KEY_LEN_WPA_TKIP))
1793 || ((alg == IW_ENCODE_ALG_CCMP)
1794 && (ext->key_len != KEY_LEN_WPA_AES))) {
9012b28a
HS		 1795 lbs_deb_wext("invalid size %d for key of alg"
1796 "type %d\n",
876c9d3a
MT		 1797 ext->key_len,
1798 alg);
1799 ret = -EINVAL;
1800 goto out;
1801 }
1802
90a42210 1803 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
876c9d3a 1804 pkey = &assoc_req->wpa_mcast_key;
90a42210
DW		 1805 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1806 } else {
876c9d3a 1807 pkey = &assoc_req->wpa_unicast_key;
90a42210
DW		 1808 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1809 }
876c9d3a
MT		 1810
1811 memset(pkey, 0, sizeof (struct WLAN_802_11_KEY));
1812 memcpy(pkey->key, ext->key, ext->key_len);
1813 pkey->len = ext->key_len;
90a42210
DW		 1814 if (pkey->len)
1815 pkey->flags |= KEY_INFO_WPA_ENABLED;
876c9d3a 1816
90a42210 1817 /* Do this after zeroing key structure */
876c9d3a
MT		 1818 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1819 pkey->flags |= KEY_INFO_WPA_MCAST;
876c9d3a
MT		 1820 } else {
1821 pkey->flags |= KEY_INFO_WPA_UNICAST;
876c9d3a
MT		 1822 }
1823
90a42210 1824 if (alg == IW_ENCODE_ALG_TKIP) {
876c9d3a 1825 pkey->type = KEY_TYPE_ID_TKIP;
90a42210 1826 } else if (alg == IW_ENCODE_ALG_CCMP) {
876c9d3a 1827 pkey->type = KEY_TYPE_ID_AES;
90a42210
DW		 1828 } else {
1829 ret = -EINVAL;
1830 goto out;
1831 }
876c9d3a
MT		 1832
1833 /* If WPA isn't enabled yet, do that now */
1834 if ( assoc_req->secinfo.WPAenabled == 0
1835 && assoc_req->secinfo.WPA2enabled == 0) {
1836 assoc_req->secinfo.WPAenabled = 1;
1837 assoc_req->secinfo.WPA2enabled = 1;
1838 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1839 }
1840
1841 disable_wep (assoc_req);
1842 }
1843
1844out:
1845 if (ret == 0) {
1846 wlan_postpone_association_work(priv);
1847 } else {
1848 wlan_cancel_association_work(priv);
1849 }
1850 mutex_unlock(&adapter->lock);
1851
9012b28a 1852 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 1853 return ret;
1854}
1855
1856
1857static int wlan_set_genie(struct net_device *dev,
1858 struct iw_request_info *info,
1859 struct iw_point *dwrq,
1860 char *extra)
1861{
1862 wlan_private *priv = dev->priv;
1863 wlan_adapter *adapter = priv->adapter;
1864 int ret = 0;
1865 struct assoc_request * assoc_req;
1866
9012b28a 1867 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 1868
1869 mutex_lock(&adapter->lock);
1870 assoc_req = wlan_get_association_request(adapter);
1871 if (!assoc_req) {
1872 ret = -ENOMEM;
1873 goto out;
1874 }
1875
1876 if (dwrq->length > MAX_WPA_IE_LEN ||
1877 (dwrq->length && extra == NULL)) {
1878 ret = -EINVAL;
1879 goto out;
1880 }
1881
1882 if (dwrq->length) {
1883 memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
1884 assoc_req->wpa_ie_len = dwrq->length;
1885 } else {
1886 memset(&assoc_req->wpa_ie[0], 0, sizeof(adapter->wpa_ie));
1887 assoc_req->wpa_ie_len = 0;
1888 }
1889
1890out:
1891 if (ret == 0) {
1892 set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1893 wlan_postpone_association_work(priv);
1894 } else {
1895 wlan_cancel_association_work(priv);
1896 }
1897 mutex_unlock(&adapter->lock);
1898
9012b28a 1899 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 1900 return ret;
1901}
1902
1903static int wlan_get_genie(struct net_device *dev,
1904 struct iw_request_info *info,
1905 struct iw_point *dwrq,
1906 char *extra)
1907{
9012b28a 1908 int ret = 0;
876c9d3a
MT		 1909 wlan_private *priv = dev->priv;
1910 wlan_adapter *adapter = priv->adapter;
1911
9012b28a 1912 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 1913
1914 if (adapter->wpa_ie_len == 0) {
1915 dwrq->length = 0;
9012b28a 1916 goto out;
876c9d3a
MT		 1917 }
1918
1919 if (dwrq->length < adapter->wpa_ie_len) {
9012b28a
HS		 1920 ret = -E2BIG;
1921 goto out;
876c9d3a
MT		 1922 }
1923
1924 dwrq->length = adapter->wpa_ie_len;
1925 memcpy(extra, &adapter->wpa_ie[0], adapter->wpa_ie_len);
1926
9012b28a
HS		 1927out:
1928 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1929 return ret;
876c9d3a
MT		 1930}
1931
1932
1933static int wlan_set_auth(struct net_device *dev,
1934 struct iw_request_info *info,
1935 struct iw_param *dwrq,
1936 char *extra)
1937{
1938 wlan_private *priv = dev->priv;
1939 wlan_adapter *adapter = priv->adapter;
1940 struct assoc_request * assoc_req;
1941 int ret = 0;
1942 int updated = 0;
1943
9012b28a 1944 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 1945
1946 mutex_lock(&adapter->lock);
1947 assoc_req = wlan_get_association_request(adapter);
1948 if (!assoc_req) {
1949 ret = -ENOMEM;
1950 goto out;
1951 }
1952
1953 switch (dwrq->flags & IW_AUTH_INDEX) {
1954 case IW_AUTH_TKIP_COUNTERMEASURES:
1955 case IW_AUTH_CIPHER_PAIRWISE:
1956 case IW_AUTH_CIPHER_GROUP:
1957 case IW_AUTH_KEY_MGMT:
90a42210 1958 case IW_AUTH_DROP_UNENCRYPTED:
876c9d3a
MT		 1959 /*
1960 * libertas does not use these parameters
1961 */
1962 break;
1963
1964 case IW_AUTH_WPA_VERSION:
1965 if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
1966 assoc_req->secinfo.WPAenabled = 0;
1967 assoc_req->secinfo.WPA2enabled = 0;
90a42210 1968 disable_wpa (assoc_req);
876c9d3a
MT		 1969 }
1970 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
1971 assoc_req->secinfo.WPAenabled = 1;
889c05bd 1972 assoc_req->secinfo.wep_enabled = 0;
6affe785 1973 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
876c9d3a
MT		 1974 }
1975 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
1976 assoc_req->secinfo.WPA2enabled = 1;
889c05bd 1977 assoc_req->secinfo.wep_enabled = 0;
6affe785 1978 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
876c9d3a
MT		 1979 }
1980 updated = 1;
1981 break;
1982
876c9d3a
MT		 1983 case IW_AUTH_80211_AUTH_ALG:
1984 if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
6affe785 1985 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
876c9d3a 1986 } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
6affe785 1987 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
876c9d3a 1988 } else if (dwrq->value & IW_AUTH_ALG_LEAP) {
6affe785 1989 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
876c9d3a
MT		 1990 } else {
1991 ret = -EINVAL;
1992 }
1993 updated = 1;
1994 break;
1995
1996 case IW_AUTH_WPA_ENABLED:
1997 if (dwrq->value) {
1998 if (!assoc_req->secinfo.WPAenabled &&
1999 !assoc_req->secinfo.WPA2enabled) {
2000 assoc_req->secinfo.WPAenabled = 1;
2001 assoc_req->secinfo.WPA2enabled = 1;
889c05bd 2002 assoc_req->secinfo.wep_enabled = 0;
6affe785 2003 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
876c9d3a
MT		 2004 }
2005 } else {
2006 assoc_req->secinfo.WPAenabled = 0;
2007 assoc_req->secinfo.WPA2enabled = 0;
90a42210 2008 disable_wpa (assoc_req);
876c9d3a
MT		 2009 }
2010 updated = 1;
2011 break;
2012
2013 default:
2014 ret = -EOPNOTSUPP;
2015 break;
2016 }
2017
2018out:
2019 if (ret == 0) {
2020 if (updated)
2021 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
2022 wlan_postpone_association_work(priv);
2023 } else if (ret != -EOPNOTSUPP) {
2024 wlan_cancel_association_work(priv);
2025 }
2026 mutex_unlock(&adapter->lock);
2027
9012b28a 2028 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 2029 return ret;
2030}
2031
2032static int wlan_get_auth(struct net_device *dev,
2033 struct iw_request_info *info,
2034 struct iw_param *dwrq,
2035 char *extra)
2036{
9012b28a 2037 int ret = 0;
876c9d3a
MT		 2038 wlan_private *priv = dev->priv;
2039 wlan_adapter *adapter = priv->adapter;
2040
9012b28a 2041 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 2042
2043 switch (dwrq->flags & IW_AUTH_INDEX) {
2044 case IW_AUTH_WPA_VERSION:
2045 dwrq->value = 0;
2046 if (adapter->secinfo.WPAenabled)
2047 dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
2048 if (adapter->secinfo.WPA2enabled)
2049 dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
2050 if (!dwrq->value)
2051 dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
2052 break;
2053
876c9d3a 2054 case IW_AUTH_80211_AUTH_ALG:
6affe785 2055 dwrq->value = adapter->secinfo.auth_mode;
876c9d3a
MT		 2056 break;
2057
2058 case IW_AUTH_WPA_ENABLED:
2059 if (adapter->secinfo.WPAenabled && adapter->secinfo.WPA2enabled)
2060 dwrq->value = 1;
2061 break;
2062
2063 default:
9012b28a 2064 ret = -EOPNOTSUPP;
876c9d3a
MT		 2065 }
2066
9012b28a
HS		 2067 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2068 return ret;
876c9d3a
MT		 2069}
2070
2071
2072static int wlan_set_txpow(struct net_device *dev, struct iw_request_info *info,
2073 struct iw_param *vwrq, char *extra)
2074{
2075 int ret = 0;
2076 wlan_private *priv = dev->priv;
2077 wlan_adapter *adapter = priv->adapter;
2078
2079 u16 dbm;
2080
9012b28a 2081 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 2082
2083 if (vwrq->disabled) {
2084 wlan_radio_ioctl(priv, RADIO_OFF);
2085 return 0;
2086 }
2087
2088 adapter->preamble = cmd_type_auto_preamble;
2089
2090 wlan_radio_ioctl(priv, RADIO_ON);
2091
2092 if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) {
2093 dbm = (u16) mw_to_dbm(vwrq->value);
2094 } else
2095 dbm = (u16) vwrq->value;
2096
2097 /* auto tx power control */
2098
2099 if (vwrq->fixed == 0)
2100 dbm = 0xffff;
2101
9012b28a 2102 lbs_deb_wext("txpower set %d dbm\n", dbm);
876c9d3a
MT		 2103
2104 ret = libertas_prepare_and_send_command(priv,
2105 cmd_802_11_rf_tx_power,
2106 cmd_act_tx_power_opt_set_low,
2107 cmd_option_waitforrsp, 0, (void *)&dbm);
2108
9012b28a 2109 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 2110 return ret;
2111}
2112
2113static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info,
2114 struct iw_point *dwrq, char *extra)
2115{
2116 wlan_private *priv = dev->priv;
2117 wlan_adapter *adapter = priv->adapter;
2118
9012b28a
HS		 2119 lbs_deb_enter(LBS_DEB_WEXT);
2120
876c9d3a
MT		 2121 /*
2122 * Note : if dwrq->flags != 0, we should get the relevant SSID from
2123 * the SSID list...
2124 */
2125
2126 /*
2127 * Get the current SSID
2128 */
2129 if (adapter->connect_status == libertas_connected) {
2130 memcpy(extra, adapter->curbssparams.ssid.ssid,
2131 adapter->curbssparams.ssid.ssidlength);
2132 extra[adapter->curbssparams.ssid.ssidlength] = '\0';
2133 } else {
2134 memset(extra, 0, 32);
2135 extra[adapter->curbssparams.ssid.ssidlength] = '\0';
2136 }
2137 /*
2138 * If none, we may want to get the one that was set
2139 */
2140
2141 /* To make the driver backward compatible with WPA supplicant v0.2.4 */
2142 if (dwrq->length == 32) /* check with WPA supplicant buffer size */
2143 dwrq->length = min_t(size_t, adapter->curbssparams.ssid.ssidlength,
2144 IW_ESSID_MAX_SIZE);
2145 else
2146 dwrq->length = adapter->curbssparams.ssid.ssidlength + 1;
2147
2148 dwrq->flags = 1; /* active */
2149
9012b28a 2150 lbs_deb_leave(LBS_DEB_WEXT);
876c9d3a
MT		 2151 return 0;
2152}
2153
2154static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info,
2155 struct iw_point *dwrq, char *extra)
2156{
2157 wlan_private *priv = dev->priv;
2158 wlan_adapter *adapter = priv->adapter;
2159 int ret = 0;
2160 struct WLAN_802_11_SSID ssid;
2161 struct assoc_request * assoc_req;
2162 int ssid_len = dwrq->length;
2163
9012b28a 2164 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 2165
2166 /*
2167 * WE-20 and earlier NULL pad the end of the SSID and increment
2168 * SSID length so it can be used like a string. WE-21 and later don't,
2169 * but some userspace tools aren't able to cope with the change.
2170 */
2171 if ((ssid_len > 0) && (extra[ssid_len - 1] == '\0'))
2172 ssid_len--;
2173
2174 /* Check the size of the string */
2175 if (ssid_len > IW_ESSID_MAX_SIZE) {
2176 ret = -E2BIG;
2177 goto out;
2178 }
2179
2180 memset(&ssid, 0, sizeof(struct WLAN_802_11_SSID));
2181
2182 if (!dwrq->flags || !ssid_len) {
2183 /* "any" SSID requested; leave SSID blank */
2184 } else {
2185 /* Specific SSID requested */
2186 memcpy(&ssid.ssid, extra, ssid_len);
2187 ssid.ssidlength = ssid_len;
2188 }
2189
9012b28a 2190 lbs_deb_wext("requested new SSID '%s'\n",
876c9d3a
MT		 2191 (ssid.ssidlength > 0) ? (char *)ssid.ssid : "any");
2192
2193out:
2194 mutex_lock(&adapter->lock);
2195 if (ret == 0) {
2196 /* Get or create the current association request */
2197 assoc_req = wlan_get_association_request(adapter);
2198 if (!assoc_req) {
2199 ret = -ENOMEM;
2200 } else {
2201 /* Copy the SSID to the association request */
2202 memcpy(&assoc_req->ssid, &ssid, sizeof(struct WLAN_802_11_SSID));
2203 set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
2204 wlan_postpone_association_work(priv);
2205 }
2206 }
2207
2208 /* Cancel the association request if there was an error */
2209 if (ret != 0) {
2210 wlan_cancel_association_work(priv);
2211 }
2212
2213 mutex_unlock(&adapter->lock);
2214
9012b28a 2215 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
876c9d3a
MT		 2216 return ret;
2217}
2218
2219/**
2220 * @brief Connect to the AP or Ad-hoc Network with specific bssid
2221 *
2222 * @param dev A pointer to net_device structure
2223 * @param info A pointer to iw_request_info structure
2224 * @param awrq A pointer to iw_param structure
2225 * @param extra A pointer to extra data buf
2226 * @return 0 --success, otherwise fail
2227 */
2228static int wlan_set_wap(struct net_device *dev, struct iw_request_info *info,
2229 struct sockaddr *awrq, char *extra)
2230{
2231 wlan_private *priv = dev->priv;
2232 wlan_adapter *adapter = priv->adapter;
2233 struct assoc_request * assoc_req;
2234 int ret = 0;
2235
9012b28a 2236 lbs_deb_enter(LBS_DEB_WEXT);
876c9d3a
MT		 2237
2238 if (awrq->sa_family != ARPHRD_ETHER)
2239 return -EINVAL;
2240
9012b28a 2241 lbs_deb_wext("ASSOC: WAP: sa_data " MAC_FMT "\n", MAC_ARG(awrq->sa_data));
876c9d3a
MT		 2242
2243 mutex_lock(&adapter->lock);
2244
2245 /* Get or create the current association request */
2246 assoc_req = wlan_get_association_request(adapter);
2247 if (!assoc_req) {
2248 wlan_cancel_association_work(priv);
2249 ret = -ENOMEM;
2250 } else {
2251 /* Copy the BSSID to the association request */
2252 memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
2253 set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
2254 wlan_postpone_association_work(priv);
2255 }
2256
2257 mutex_unlock(&adapter->lock);
2258
2259 return ret;
2260}
2261
2262void libertas_get_fwversion(wlan_adapter * adapter, char *fwversion, int maxlen)
2263{
2264 union {
2265 u32 l;
2266 u8 c[4];
2267 } ver;
2268 char fwver[32];
2269
2270 mutex_lock(&adapter->lock);
2271 ver.l = adapter->fwreleasenumber;
2272 mutex_unlock(&adapter->lock);
2273
2274 if (ver.c[3] == 0)
2275 sprintf(fwver, "%u.%u.%u", ver.c[2], ver.c[1], ver.c[0]);
2276 else
2277 sprintf(fwver, "%u.%u.%u.p%u",
2278 ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
2279
2280 snprintf(fwversion, maxlen, fwver);
2281}
2282
2283
2284/*
2285 * iwconfig settable callbacks
2286 */
2287static const iw_handler wlan_handler[] = {
2288 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2289 (iw_handler) wlan_get_name, /* SIOCGIWNAME */
2290 (iw_handler) NULL, /* SIOCSIWNWID */
2291 (iw_handler) NULL, /* SIOCGIWNWID */
2292 (iw_handler) wlan_set_freq, /* SIOCSIWFREQ */
2293 (iw_handler) wlan_get_freq, /* SIOCGIWFREQ */
2294 (iw_handler) wlan_set_mode, /* SIOCSIWMODE */
2295 (iw_handler) wlan_get_mode, /* SIOCGIWMODE */
2296 (iw_handler) NULL, /* SIOCSIWSENS */
2297 (iw_handler) NULL, /* SIOCGIWSENS */
2298 (iw_handler) NULL, /* SIOCSIWRANGE */
2299 (iw_handler) wlan_get_range, /* SIOCGIWRANGE */
2300 (iw_handler) NULL, /* SIOCSIWPRIV */
2301 (iw_handler) NULL, /* SIOCGIWPRIV */
2302 (iw_handler) NULL, /* SIOCSIWSTATS */
2303 (iw_handler) NULL, /* SIOCGIWSTATS */
2304 iw_handler_set_spy, /* SIOCSIWSPY */
2305 iw_handler_get_spy, /* SIOCGIWSPY */
2306 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2307 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2308 (iw_handler) wlan_set_wap, /* SIOCSIWAP */
2309 (iw_handler) wlan_get_wap, /* SIOCGIWAP */
2310 (iw_handler) NULL, /* SIOCSIWMLME */
2311 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2312 (iw_handler) libertas_set_scan, /* SIOCSIWSCAN */
2313 (iw_handler) libertas_get_scan, /* SIOCGIWSCAN */
2314 (iw_handler) wlan_set_essid, /* SIOCSIWESSID */
2315 (iw_handler) wlan_get_essid, /* SIOCGIWESSID */
2316 (iw_handler) wlan_set_nick, /* SIOCSIWNICKN */
2317 (iw_handler) wlan_get_nick, /* SIOCGIWNICKN */
2318 (iw_handler) NULL, /* -- hole -- */
2319 (iw_handler) NULL, /* -- hole -- */
2320 (iw_handler) wlan_set_rate, /* SIOCSIWRATE */
2321 (iw_handler) wlan_get_rate, /* SIOCGIWRATE */
2322 (iw_handler) wlan_set_rts, /* SIOCSIWRTS */
2323 (iw_handler) wlan_get_rts, /* SIOCGIWRTS */
2324 (iw_handler) wlan_set_frag, /* SIOCSIWFRAG */
2325 (iw_handler) wlan_get_frag, /* SIOCGIWFRAG */
2326 (iw_handler) wlan_set_txpow, /* SIOCSIWTXPOW */
2327 (iw_handler) wlan_get_txpow, /* SIOCGIWTXPOW */
2328 (iw_handler) wlan_set_retry, /* SIOCSIWRETRY */
2329 (iw_handler) wlan_get_retry, /* SIOCGIWRETRY */
2330 (iw_handler) wlan_set_encode, /* SIOCSIWENCODE */
2331 (iw_handler) wlan_get_encode, /* SIOCGIWENCODE */
2332 (iw_handler) wlan_set_power, /* SIOCSIWPOWER */
2333 (iw_handler) wlan_get_power, /* SIOCGIWPOWER */
2334 (iw_handler) NULL, /* -- hole -- */
2335 (iw_handler) NULL, /* -- hole -- */
2336 (iw_handler) wlan_set_genie, /* SIOCSIWGENIE */
2337 (iw_handler) wlan_get_genie, /* SIOCGIWGENIE */
2338 (iw_handler) wlan_set_auth, /* SIOCSIWAUTH */
2339 (iw_handler) wlan_get_auth, /* SIOCGIWAUTH */
2340 (iw_handler) wlan_set_encodeext,/* SIOCSIWENCODEEXT */
2341 (iw_handler) wlan_get_encodeext,/* SIOCGIWENCODEEXT */
2342 (iw_handler) NULL, /* SIOCSIWPMKSA */
2343};
2344
2345struct iw_handler_def libertas_handler_def = {
2346 .num_standard = sizeof(wlan_handler) / sizeof(iw_handler),
2347 .num_private = sizeof(wlan_private_handler) / sizeof(iw_handler),
2348 .num_private_args = sizeof(wlan_private_args) /
2349 sizeof(struct iw_priv_args),
2350 .standard = (iw_handler *) wlan_handler,
2351 .private = (iw_handler *) wlan_private_handler,
2352 .private_args = (struct iw_priv_args *)wlan_private_args,
2353 .get_wireless_stats = wlan_get_wireless_stats,
2354};
Linux kernel - Deliverables
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