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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / wireless / libertas / wext.c
blob71f88a08e0906200b6053fcb5875dbeed91da894
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/lib80211.h>
12 #include <net/iw_handler.h>
13
14 #include "host.h"
15 #include "radiotap.h"
16 #include "decl.h"
17 #include "defs.h"
18 #include "dev.h"
19 #include "wext.h"
20 #include "scan.h"
21 #include "assoc.h"
22 #include "cmd.h"
23
24
25 static inline void lbs_postpone_association_work(struct lbs_private *priv)
26 {
27 if (priv->surpriseremoved)
28 return;
29 cancel_delayed_work(&priv->assoc_work);
30 queue_delayed_work(priv->work_thread, &priv->assoc_work, HZ / 2);
31 }
32
33 static inline void lbs_do_association_work(struct lbs_private *priv)
34 {
35 if (priv->surpriseremoved)
36 return;
37 cancel_delayed_work(&priv->assoc_work);
38 queue_delayed_work(priv->work_thread, &priv->assoc_work, 0);
39 }
40
41 static inline void lbs_cancel_association_work(struct lbs_private *priv)
42 {
43 cancel_delayed_work(&priv->assoc_work);
44 kfree(priv->pending_assoc_req);
45 priv->pending_assoc_req = NULL;
46 }
47
48 void lbs_send_disconnect_notification(struct lbs_private *priv)
49 {
50 union iwreq_data wrqu;
51
52 memset(wrqu.ap_addr.sa_data, 0x00, ETH_ALEN);
53 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
54 wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
55 }
56
57 static void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
58 {
59 union iwreq_data iwrq;
60 u8 buf[50];
61
62 lbs_deb_enter(LBS_DEB_WEXT);
63
64 memset(&iwrq, 0, sizeof(union iwreq_data));
65 memset(buf, 0, sizeof(buf));
66
67 snprintf(buf, sizeof(buf) - 1, "%s", str);
68
69 iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
70
71 /* Send Event to upper layer */
72 lbs_deb_wext("event indication string %s\n", (char *)buf);
73 lbs_deb_wext("event indication length %d\n", iwrq.data.length);
74 lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str);
75
76 wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf);
77
78 lbs_deb_leave(LBS_DEB_WEXT);
79 }
80
81 /**
82 * @brief This function handles MIC failure event.
83 *
84 * @param priv A pointer to struct lbs_private structure
85 * @para event the event id
86 * @return n/a
87 */
88 void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event)
89 {
90 char buf[50];
91
92 lbs_deb_enter(LBS_DEB_CMD);
93 memset(buf, 0, sizeof(buf));
94
95 sprintf(buf, "%s", "MLME-MICHAELMICFAILURE.indication ");
96
97 if (event == MACREG_INT_CODE_MIC_ERR_UNICAST)
98 strcat(buf, "unicast ");
99 else
100 strcat(buf, "multicast ");
101
102 lbs_send_iwevcustom_event(priv, buf);
103 lbs_deb_leave(LBS_DEB_CMD);
104 }
105
106 /**
107 * @brief Find the channel frequency power info with specific channel
108 *
109 * @param priv A pointer to struct lbs_private structure
110 * @param band it can be BAND_A, BAND_G or BAND_B
111 * @param channel the channel for looking
112 * @return A pointer to struct chan_freq_power structure or NULL if not find.
113 */
114 struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
115 struct lbs_private *priv,
116 u8 band,
117 u16 channel)
118 {
119 struct chan_freq_power *cfp = NULL;
120 struct region_channel *rc;
121 int i, j;
122
123 for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
124 rc = &priv->region_channel[j];
125
126 if (!rc->valid || !rc->CFP)
127 continue;
128 if (rc->band != band)
129 continue;
130 for (i = 0; i < rc->nrcfp; i++) {
131 if (rc->CFP[i].channel == channel) {
132 cfp = &rc->CFP[i];
133 break;
134 }
135 }
136 }
137
138 if (!cfp && channel)
139 lbs_deb_wext("lbs_find_cfp_by_band_and_channel: can't find "
140 "cfp by band %d / channel %d\n", band, channel);
141
142 return cfp;
143 }
144
145 /**
146 * @brief Find the channel frequency power info with specific frequency
147 *
148 * @param priv A pointer to struct lbs_private structure
149 * @param band it can be BAND_A, BAND_G or BAND_B
150 * @param freq the frequency for looking
151 * @return A pointer to struct chan_freq_power structure or NULL if not find.
152 */
153 static struct chan_freq_power *find_cfp_by_band_and_freq(
154 struct lbs_private *priv,
155 u8 band,
156 u32 freq)
157 {
158 struct chan_freq_power *cfp = NULL;
159 struct region_channel *rc;
160 int i, j;
161
162 for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
163 rc = &priv->region_channel[j];
164
165 if (!rc->valid || !rc->CFP)
166 continue;
167 if (rc->band != band)
168 continue;
169 for (i = 0; i < rc->nrcfp; i++) {
170 if (rc->CFP[i].freq == freq) {
171 cfp = &rc->CFP[i];
172 break;
173 }
174 }
175 }
176
177 if (!cfp && freq)
178 lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by "
179 "band %d / freq %d\n", band, freq);
180
181 return cfp;
182 }
183
184 /**
185 * @brief Copy active data rates based on adapter mode and status
186 *
187 * @param priv A pointer to struct lbs_private structure
188 * @param rate The buf to return the active rates
189 */
190 static void copy_active_data_rates(struct lbs_private *priv, u8 *rates)
191 {
192 lbs_deb_enter(LBS_DEB_WEXT);
193
194 if ((priv->connect_status != LBS_CONNECTED) &&
195 !lbs_mesh_connected(priv))
196 memcpy(rates, lbs_bg_rates, MAX_RATES);
197 else
198 memcpy(rates, priv->curbssparams.rates, MAX_RATES);
199
200 lbs_deb_leave(LBS_DEB_WEXT);
201 }
202
203 static int lbs_get_name(struct net_device *dev, struct iw_request_info *info,
204 char *cwrq, char *extra)
205 {
206
207 lbs_deb_enter(LBS_DEB_WEXT);
208
209 /* We could add support for 802.11n here as needed. Jean II */
210 snprintf(cwrq, IFNAMSIZ, "IEEE 802.11b/g");
211
212 lbs_deb_leave(LBS_DEB_WEXT);
213 return 0;
214 }
215
216 static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
217 struct iw_freq *fwrq, char *extra)
218 {
219 struct lbs_private *priv = dev->ml_priv;
220 struct chan_freq_power *cfp;
221
222 lbs_deb_enter(LBS_DEB_WEXT);
223
224 cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
225 priv->channel);
226
227 if (!cfp) {
228 if (priv->channel)
229 lbs_deb_wext("invalid channel %d\n",
230 priv->channel);
231 return -EINVAL;
232 }
233
234 fwrq->m = (long)cfp->freq * 100000;
235 fwrq->e = 1;
236
237 lbs_deb_wext("freq %u\n", fwrq->m);
238 lbs_deb_leave(LBS_DEB_WEXT);
239 return 0;
240 }
241
242 static int lbs_get_wap(struct net_device *dev, struct iw_request_info *info,
243 struct sockaddr *awrq, char *extra)
244 {
245 struct lbs_private *priv = dev->ml_priv;
246
247 lbs_deb_enter(LBS_DEB_WEXT);
248
249 if (priv->connect_status == LBS_CONNECTED) {
250 memcpy(awrq->sa_data, priv->curbssparams.bssid, ETH_ALEN);
251 } else {
252 memset(awrq->sa_data, 0, ETH_ALEN);
253 }
254 awrq->sa_family = ARPHRD_ETHER;
255
256 lbs_deb_leave(LBS_DEB_WEXT);
257 return 0;
258 }
259
260 static int lbs_set_nick(struct net_device *dev, struct iw_request_info *info,
261 struct iw_point *dwrq, char *extra)
262 {
263 struct lbs_private *priv = dev->ml_priv;
264
265 lbs_deb_enter(LBS_DEB_WEXT);
266
267 /*
268 * Check the size of the string
269 */
270
271 if (dwrq->length > 16) {
272 return -E2BIG;
273 }
274
275 mutex_lock(&priv->lock);
276 memset(priv->nodename, 0, sizeof(priv->nodename));
277 memcpy(priv->nodename, extra, dwrq->length);
278 mutex_unlock(&priv->lock);
279
280 lbs_deb_leave(LBS_DEB_WEXT);
281 return 0;
282 }
283
284 static int lbs_get_nick(struct net_device *dev, struct iw_request_info *info,
285 struct iw_point *dwrq, char *extra)
286 {
287 struct lbs_private *priv = dev->ml_priv;
288
289 lbs_deb_enter(LBS_DEB_WEXT);
290
291 dwrq->length = strlen(priv->nodename);
292 memcpy(extra, priv->nodename, dwrq->length);
293 extra[dwrq->length] = '\0';
294
295 dwrq->flags = 1; /* active */
296
297 lbs_deb_leave(LBS_DEB_WEXT);
298 return 0;
299 }
300
301 #ifdef CONFIG_LIBERTAS_MESH
302 static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info,
303 struct iw_point *dwrq, char *extra)
304 {
305 struct lbs_private *priv = dev->ml_priv;
306
307 lbs_deb_enter(LBS_DEB_WEXT);
308
309 /* Use nickname to indicate that mesh is on */
310
311 if (lbs_mesh_connected(priv)) {
312 strncpy(extra, "Mesh", 12);
313 extra[12] = '\0';
314 dwrq->length = strlen(extra);
315 }
316
317 else {
318 extra[0] = '\0';
319 dwrq->length = 0;
320 }
321
322 lbs_deb_leave(LBS_DEB_WEXT);
323 return 0;
324 }
325 #endif
326
327 static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
328 struct iw_param *vwrq, char *extra)
329 {
330 int ret = 0;
331 struct lbs_private *priv = dev->ml_priv;
332 u32 val = vwrq->value;
333
334 lbs_deb_enter(LBS_DEB_WEXT);
335
336 if (vwrq->disabled)
337 val = MRVDRV_RTS_MAX_VALUE;
338
339 if (val > MRVDRV_RTS_MAX_VALUE) /* min rts value is 0 */
340 return -EINVAL;
341
342 ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, (u16) val);
343
344 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
345 return ret;
346 }
347
348 static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info,
349 struct iw_param *vwrq, char *extra)
350 {
351 struct lbs_private *priv = dev->ml_priv;
352 int ret = 0;
353 u16 val = 0;
354
355 lbs_deb_enter(LBS_DEB_WEXT);
356
357 ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_RTS_THRESHOLD, &val);
358 if (ret)
359 goto out;
360
361 vwrq->value = val;
362 vwrq->disabled = val > MRVDRV_RTS_MAX_VALUE; /* min rts value is 0 */
363 vwrq->fixed = 1;
364
365 out:
366 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
367 return ret;
368 }
369
370 static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
371 struct iw_param *vwrq, char *extra)
372 {
373 struct lbs_private *priv = dev->ml_priv;
374 int ret = 0;
375 u32 val = vwrq->value;
376
377 lbs_deb_enter(LBS_DEB_WEXT);
378
379 if (vwrq->disabled)
380 val = MRVDRV_FRAG_MAX_VALUE;
381
382 if (val < MRVDRV_FRAG_MIN_VALUE || val > MRVDRV_FRAG_MAX_VALUE)
383 return -EINVAL;
384
385 ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_FRAG_THRESHOLD, (u16) val);
386
387 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
388 return ret;
389 }
390
391 static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
392 struct iw_param *vwrq, char *extra)
393 {
394 struct lbs_private *priv = dev->ml_priv;
395 int ret = 0;
396 u16 val = 0;
397
398 lbs_deb_enter(LBS_DEB_WEXT);
399
400 ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_FRAG_THRESHOLD, &val);
401 if (ret)
402 goto out;
403
404 vwrq->value = val;
405 vwrq->disabled = ((val < MRVDRV_FRAG_MIN_VALUE)
406 || (val > MRVDRV_FRAG_MAX_VALUE));
407 vwrq->fixed = 1;
408
409 out:
410 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
411 return ret;
412 }
413
414 static int lbs_get_mode(struct net_device *dev,
415 struct iw_request_info *info, u32 * uwrq, char *extra)
416 {
417 struct lbs_private *priv = dev->ml_priv;
418
419 lbs_deb_enter(LBS_DEB_WEXT);
420
421 *uwrq = priv->mode;
422
423 lbs_deb_leave(LBS_DEB_WEXT);
424 return 0;
425 }
426
427 #ifdef CONFIG_LIBERTAS_MESH
428 static int mesh_wlan_get_mode(struct net_device *dev,
429 struct iw_request_info *info, u32 * uwrq,
430 char *extra)
431 {
432 lbs_deb_enter(LBS_DEB_WEXT);
433
434 *uwrq = IW_MODE_REPEAT;
435
436 lbs_deb_leave(LBS_DEB_WEXT);
437 return 0;
438 }
439 #endif
440
441 static int lbs_get_txpow(struct net_device *dev,
442 struct iw_request_info *info,
443 struct iw_param *vwrq, char *extra)
444 {
445 struct lbs_private *priv = dev->ml_priv;
446 s16 curlevel = 0;
447 int ret = 0;
448
449 lbs_deb_enter(LBS_DEB_WEXT);
450
451 if (!priv->radio_on) {
452 lbs_deb_wext("tx power off\n");
453 vwrq->value = 0;
454 vwrq->disabled = 1;
455 goto out;
456 }
457
458 ret = lbs_get_tx_power(priv, &curlevel, NULL, NULL);
459 if (ret)
460 goto out;
461
462 lbs_deb_wext("tx power level %d dbm\n", curlevel);
463 priv->txpower_cur = curlevel;
464
465 vwrq->value = curlevel;
466 vwrq->fixed = 1;
467 vwrq->disabled = 0;
468 vwrq->flags = IW_TXPOW_DBM;
469
470 out:
471 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
472 return ret;
473 }
474
475 static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
476 struct iw_param *vwrq, char *extra)
477 {
478 struct lbs_private *priv = dev->ml_priv;
479 int ret = 0;
480 u16 slimit = 0, llimit = 0;
481
482 lbs_deb_enter(LBS_DEB_WEXT);
483
484 if ((vwrq->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
485 return -EOPNOTSUPP;
486
487 /* The MAC has a 4-bit Total_Tx_Count register
488 Total_Tx_Count = 1 + Tx_Retry_Count */
489 #define TX_RETRY_MIN 0
490 #define TX_RETRY_MAX 14
491 if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
492 return -EINVAL;
493
494 /* Add 1 to convert retry count to try count */
495 if (vwrq->flags & IW_RETRY_SHORT)
496 slimit = (u16) (vwrq->value + 1);
497 else if (vwrq->flags & IW_RETRY_LONG)
498 llimit = (u16) (vwrq->value + 1);
499 else
500 slimit = llimit = (u16) (vwrq->value + 1); /* set both */
501
502 if (llimit) {
503 ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_LONG_RETRY_LIMIT,
504 llimit);
505 if (ret)
506 goto out;
507 }
508
509 if (slimit) {
510 /* txretrycount follows the short retry limit */
511 priv->txretrycount = slimit;
512 ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_SHORT_RETRY_LIMIT,
513 slimit);
514 if (ret)
515 goto out;
516 }
517
518 out:
519 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
520 return ret;
521 }
522
523 static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
524 struct iw_param *vwrq, char *extra)
525 {
526 struct lbs_private *priv = dev->ml_priv;
527 int ret = 0;
528 u16 val = 0;
529
530 lbs_deb_enter(LBS_DEB_WEXT);
531
532 vwrq->disabled = 0;
533
534 if (vwrq->flags & IW_RETRY_LONG) {
535 ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_LONG_RETRY_LIMIT, &val);
536 if (ret)
537 goto out;
538
539 /* Subtract 1 to convert try count to retry count */
540 vwrq->value = val - 1;
541 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
542 } else {
543 ret = lbs_get_snmp_mib(priv, SNMP_MIB_OID_SHORT_RETRY_LIMIT, &val);
544 if (ret)
545 goto out;
546
547 /* txretry count follows the short retry limit */
548 priv->txretrycount = val;
549 /* Subtract 1 to convert try count to retry count */
550 vwrq->value = val - 1;
551 vwrq->flags = IW_RETRY_LIMIT | IW_RETRY_SHORT;
552 }
553
554 out:
555 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
556 return ret;
557 }
558
559 static inline void sort_channels(struct iw_freq *freq, int num)
560 {
561 int i, j;
562 struct iw_freq temp;
563
564 for (i = 0; i < num; i++)
565 for (j = i + 1; j < num; j++)
566 if (freq[i].i > freq[j].i) {
567 temp.i = freq[i].i;
568 temp.m = freq[i].m;
569
570 freq[i].i = freq[j].i;
571 freq[i].m = freq[j].m;
572
573 freq[j].i = temp.i;
574 freq[j].m = temp.m;
575 }
576 }
577
578 /* data rate listing
579 MULTI_BANDS:
580 abg a b b/g
581 Infra G(12) A(8) B(4) G(12)
582 Adhoc A+B(12) A(8) B(4) B(4)
583
584 non-MULTI_BANDS:
585 b b/g
586 Infra B(4) G(12)
587 Adhoc B(4) B(4)
588 */
589 /**
590 * @brief Get Range Info
591 *
592 * @param dev A pointer to net_device structure
593 * @param info A pointer to iw_request_info structure
594 * @param vwrq A pointer to iw_param structure
595 * @param extra A pointer to extra data buf
596 * @return 0 --success, otherwise fail
597 */
598 static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
599 struct iw_point *dwrq, char *extra)
600 {
601 int i, j;
602 struct lbs_private *priv = dev->ml_priv;
603 struct iw_range *range = (struct iw_range *)extra;
604 struct chan_freq_power *cfp;
605 u8 rates[MAX_RATES + 1];
606
607 lbs_deb_enter(LBS_DEB_WEXT);
608
609 dwrq->length = sizeof(struct iw_range);
610 memset(range, 0, sizeof(struct iw_range));
611
612 range->min_nwid = 0;
613 range->max_nwid = 0;
614
615 memset(rates, 0, sizeof(rates));
616 copy_active_data_rates(priv, rates);
617 range->num_bitrates = strnlen(rates, IW_MAX_BITRATES);
618 for (i = 0; i < range->num_bitrates; i++)
619 range->bitrate[i] = rates[i] * 500000;
620 range->num_bitrates = i;
621 lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
622 range->num_bitrates);
623
624 range->num_frequency = 0;
625
626 range->scan_capa = IW_SCAN_CAPA_ESSID;
627
628 for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
629 && (j < ARRAY_SIZE(priv->region_channel)); j++) {
630 cfp = priv->region_channel[j].CFP;
631 for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
632 && priv->region_channel[j].valid
633 && cfp
634 && (i < priv->region_channel[j].nrcfp); i++) {
635 range->freq[range->num_frequency].i =
636 (long)cfp->channel;
637 range->freq[range->num_frequency].m =
638 (long)cfp->freq * 100000;
639 range->freq[range->num_frequency].e = 1;
640 cfp++;
641 range->num_frequency++;
642 }
643 }
644
645 lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
646 IW_MAX_FREQUENCIES, range->num_frequency);
647
648 range->num_channels = range->num_frequency;
649
650 sort_channels(&range->freq[0], range->num_frequency);
651
652 /*
653 * Set an indication of the max TCP throughput in bit/s that we can
654 * expect using this interface
655 */
656 if (i > 2)
657 range->throughput = 5000 * 1000;
658 else
659 range->throughput = 1500 * 1000;
660
661 range->min_rts = MRVDRV_RTS_MIN_VALUE;
662 range->max_rts = MRVDRV_RTS_MAX_VALUE;
663 range->min_frag = MRVDRV_FRAG_MIN_VALUE;
664 range->max_frag = MRVDRV_FRAG_MAX_VALUE;
665
666 range->encoding_size[0] = 5;
667 range->encoding_size[1] = 13;
668 range->num_encoding_sizes = 2;
669 range->max_encoding_tokens = 4;
670
671 /*
672 * Right now we support only "iwconfig ethX power on|off"
673 */
674 range->pm_capa = IW_POWER_ON;
675
676 /*
677 * Minimum version we recommend
678 */
679 range->we_version_source = 15;
680
681 /*
682 * Version we are compiled with
683 */
684 range->we_version_compiled = WIRELESS_EXT;
685
686 range->retry_capa = IW_RETRY_LIMIT;
687 range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
688
689 range->min_retry = TX_RETRY_MIN;
690 range->max_retry = TX_RETRY_MAX;
691
692 /*
693 * Set the qual, level and noise range values
694 */
695 range->max_qual.qual = 100;
696 range->max_qual.level = 0;
697 range->max_qual.noise = 0;
698 range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
699
700 range->avg_qual.qual = 70;
701 /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
702 range->avg_qual.level = 0;
703 range->avg_qual.noise = 0;
704 range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
705
706 range->sensitivity = 0;
707
708 /* Setup the supported power level ranges */
709 memset(range->txpower, 0, sizeof(range->txpower));
710 range->txpower_capa = IW_TXPOW_DBM | IW_TXPOW_RANGE;
711 range->txpower[0] = priv->txpower_min;
712 range->txpower[1] = priv->txpower_max;
713 range->num_txpower = 2;
714
715 range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
716 IW_EVENT_CAPA_MASK(SIOCGIWAP) |
717 IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
718 range->event_capa[1] = IW_EVENT_CAPA_K_1;
719
720 if (priv->fwcapinfo & FW_CAPINFO_WPA) {
721 range->enc_capa = IW_ENC_CAPA_WPA
722 | IW_ENC_CAPA_WPA2
723 | IW_ENC_CAPA_CIPHER_TKIP
724 | IW_ENC_CAPA_CIPHER_CCMP;
725 }
726
727 lbs_deb_leave(LBS_DEB_WEXT);
728 return 0;
729 }
730
731 static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
732 struct iw_param *vwrq, char *extra)
733 {
734 struct lbs_private *priv = dev->ml_priv;
735 int ret = 0;
736
737 lbs_deb_enter(LBS_DEB_WEXT);
738
739 if (!(priv->fwcapinfo & FW_CAPINFO_PS)) {
740 if (vwrq->disabled)
741 return 0;
742 else
743 return -EINVAL;
744 }
745
746 /* PS is currently supported only in Infrastructure mode
747 * Remove this check if it is to be supported in IBSS mode also
748 */
749
750 if (vwrq->disabled) {
751 priv->psmode = LBS802_11POWERMODECAM;
752 if (priv->psstate != PS_STATE_FULL_POWER) {
753 lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
754 }
755
756 return 0;
757 }
758
759 if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
760 lbs_deb_wext(
761 "setting power timeout is not supported\n");
762 return -EINVAL;
763 } else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
764 vwrq->value = vwrq->value / 1000;
765 if (!priv->enter_deep_sleep) {
766 lbs_pr_err("deep sleep feature is not implemented "
767 "for this interface driver\n");
768 return -EINVAL;
769 }
770
771 if (priv->connect_status == LBS_CONNECTED) {
772 if ((priv->is_auto_deep_sleep_enabled) &&
773 (vwrq->value == -1000)) {
774 lbs_exit_auto_deep_sleep(priv);
775 return 0;
776 } else {
777 lbs_pr_err("can't use deep sleep cmd in "
778 "connected state\n");
779 return -EINVAL;
780 }
781 }
782
783 if ((vwrq->value < 0) && (vwrq->value != -1000)) {
784 lbs_pr_err("unknown option\n");
785 return -EINVAL;
786 }
787
788 if (vwrq->value > 0) {
789 if (!priv->is_auto_deep_sleep_enabled) {
790 priv->is_activity_detected = 0;
791 priv->auto_deep_sleep_timeout = vwrq->value;
792 lbs_enter_auto_deep_sleep(priv);
793 } else {
794 priv->auto_deep_sleep_timeout = vwrq->value;
795 lbs_deb_debugfs("auto deep sleep: "
796 "already enabled\n");
797 }
798 return 0;
799 } else {
800 if (priv->is_auto_deep_sleep_enabled) {
801 lbs_exit_auto_deep_sleep(priv);
802 /* Try to exit deep sleep if auto */
803 /*deep sleep disabled */
804 ret = lbs_set_deep_sleep(priv, 0);
805 }
806 if (vwrq->value == 0)
807 ret = lbs_set_deep_sleep(priv, 1);
808 else if (vwrq->value == -1000)
809 ret = lbs_set_deep_sleep(priv, 0);
810 return ret;
811 }
812 }
813
814 if (priv->psmode != LBS802_11POWERMODECAM) {
815 return 0;
816 }
817
818 priv->psmode = LBS802_11POWERMODEMAX_PSP;
819
820 if (priv->connect_status == LBS_CONNECTED) {
821 lbs_ps_sleep(priv, CMD_OPTION_WAITFORRSP);
822 }
823
824 lbs_deb_leave(LBS_DEB_WEXT);
825
826 return 0;
827 }
828
829 static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
830 struct iw_param *vwrq, char *extra)
831 {
832 struct lbs_private *priv = dev->ml_priv;
833
834 lbs_deb_enter(LBS_DEB_WEXT);
835
836 vwrq->value = 0;
837 vwrq->flags = 0;
838 vwrq->disabled = priv->psmode == LBS802_11POWERMODECAM
839 || priv->connect_status == LBS_DISCONNECTED;
840
841 lbs_deb_leave(LBS_DEB_WEXT);
842 return 0;
843 }
844
845 static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
846 {
847 enum {
848 POOR = 30,
849 FAIR = 60,
850 GOOD = 80,
851 VERY_GOOD = 90,
852 EXCELLENT = 95,
853 PERFECT = 100
854 };
855 struct lbs_private *priv = dev->ml_priv;
856 u32 rssi_qual;
857 u32 tx_qual;
858 u32 quality = 0;
859 int ret, stats_valid = 0;
860 u8 rssi;
861 u32 tx_retries;
862 struct cmd_ds_802_11_get_log log;
863
864 lbs_deb_enter(LBS_DEB_WEXT);
865
866 priv->wstats.status = priv->mode;
867
868 /* If we're not associated, all quality values are meaningless */
869 if ((priv->connect_status != LBS_CONNECTED) &&
870 !lbs_mesh_connected(priv))
871 goto out;
872
873 /* Quality by RSSI */
874 priv->wstats.qual.level =
875 CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
876 priv->NF[TYPE_BEACON][TYPE_NOAVG]);
877
878 if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
879 priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
880 } else {
881 priv->wstats.qual.noise =
882 CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
883 }
884
885 lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
886 lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
887
888 rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
889 if (rssi < 15)
890 rssi_qual = rssi * POOR / 10;
891 else if (rssi < 20)
892 rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
893 else if (rssi < 30)
894 rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
895 else if (rssi < 40)
896 rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
897 10 + GOOD;
898 else
899 rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
900 10 + VERY_GOOD;
901 quality = rssi_qual;
902
903 /* Quality by TX errors */
904 priv->wstats.discard.retries = dev->stats.tx_errors;
905
906 memset(&log, 0, sizeof(log));
907 log.hdr.size = cpu_to_le16(sizeof(log));
908 ret = lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);
909 if (ret)
910 goto out;
911
912 tx_retries = le32_to_cpu(log.retry);
913
914 if (tx_retries > 75)
915 tx_qual = (90 - tx_retries) * POOR / 15;
916 else if (tx_retries > 70)
917 tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
918 else if (tx_retries > 65)
919 tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
920 else if (tx_retries > 50)
921 tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
922 15 + GOOD;
923 else
924 tx_qual = (50 - tx_retries) *
925 (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
926 quality = min(quality, tx_qual);
927
928 priv->wstats.discard.code = le32_to_cpu(log.wepundecryptable);
929 priv->wstats.discard.retries = tx_retries;
930 priv->wstats.discard.misc = le32_to_cpu(log.ackfailure);
931
932 /* Calculate quality */
933 priv->wstats.qual.qual = min_t(u8, quality, 100);
934 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
935 stats_valid = 1;
936
937 /* update stats asynchronously for future calls */
938 ret = lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
939 0, 0, NULL);
940 if (ret)
941 lbs_pr_err("RSSI command failed\n");
942 out:
943 if (!stats_valid) {
944 priv->wstats.miss.beacon = 0;
945 priv->wstats.discard.retries = 0;
946 priv->wstats.qual.qual = 0;
947 priv->wstats.qual.level = 0;
948 priv->wstats.qual.noise = 0;
949 priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
950 priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
951 IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
952 }
953
954 lbs_deb_leave(LBS_DEB_WEXT);
955 return &priv->wstats;
956
957
958 }
959
960 static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
961 struct iw_freq *fwrq, char *extra)
962 {
963 int ret = -EINVAL;
964 struct lbs_private *priv = dev->ml_priv;
965 struct chan_freq_power *cfp;
966 struct assoc_request * assoc_req;
967
968 lbs_deb_enter(LBS_DEB_WEXT);
969
970 mutex_lock(&priv->lock);
971 assoc_req = lbs_get_association_request(priv);
972 if (!assoc_req) {
973 ret = -ENOMEM;
974 goto out;
975 }
976
977 /* If setting by frequency, convert to a channel */
978 if (fwrq->e == 1) {
979 long f = fwrq->m / 100000;
980
981 cfp = find_cfp_by_band_and_freq(priv, 0, f);
982 if (!cfp) {
983 lbs_deb_wext("invalid freq %ld\n", f);
984 goto out;
985 }
986
987 fwrq->e = 0;
988 fwrq->m = (int) cfp->channel;
989 }
990
991 /* Setting by channel number */
992 if (fwrq->m > 1000 || fwrq->e > 0) {
993 goto out;
994 }
995
996 cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
997 if (!cfp) {
998 goto out;
999 }
1000
1001 assoc_req->channel = fwrq->m;
1002 ret = 0;
1003
1004 out:
1005 if (ret == 0) {
1006 set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
1007 lbs_postpone_association_work(priv);
1008 } else {
1009 lbs_cancel_association_work(priv);
1010 }
1011 mutex_unlock(&priv->lock);
1012
1013 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1014 return ret;
1015 }
1016
1017 #ifdef CONFIG_LIBERTAS_MESH
1018 static int lbs_mesh_set_freq(struct net_device *dev,
1019 struct iw_request_info *info,
1020 struct iw_freq *fwrq, char *extra)
1021 {
1022 struct lbs_private *priv = dev->ml_priv;
1023 struct chan_freq_power *cfp;
1024 int ret = -EINVAL;
1025
1026 lbs_deb_enter(LBS_DEB_WEXT);
1027
1028 /* If setting by frequency, convert to a channel */
1029 if (fwrq->e == 1) {
1030 long f = fwrq->m / 100000;
1031
1032 cfp = find_cfp_by_band_and_freq(priv, 0, f);
1033 if (!cfp) {
1034 lbs_deb_wext("invalid freq %ld\n", f);
1035 goto out;
1036 }
1037
1038 fwrq->e = 0;
1039 fwrq->m = (int) cfp->channel;
1040 }
1041
1042 /* Setting by channel number */
1043 if (fwrq->m > 1000 || fwrq->e > 0) {
1044 goto out;
1045 }
1046
1047 cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
1048 if (!cfp) {
1049 goto out;
1050 }
1051
1052 if (fwrq->m != priv->channel) {
1053 lbs_deb_wext("mesh channel change forces eth disconnect\n");
1054 if (priv->mode == IW_MODE_INFRA)
1055 lbs_cmd_80211_deauthenticate(priv,
1056 priv->curbssparams.bssid,
1057 WLAN_REASON_DEAUTH_LEAVING);
1058 else if (priv->mode == IW_MODE_ADHOC)
1059 lbs_adhoc_stop(priv);
1060 }
1061 lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, fwrq->m);
1062 lbs_update_channel(priv);
1063 ret = 0;
1064
1065 out:
1066 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1067 return ret;
1068 }
1069 #endif
1070
1071 static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
1072 struct iw_param *vwrq, char *extra)
1073 {
1074 struct lbs_private *priv = dev->ml_priv;
1075 u8 new_rate = 0;
1076 int ret = -EINVAL;
1077 u8 rates[MAX_RATES + 1];
1078
1079 lbs_deb_enter(LBS_DEB_WEXT);
1080
1081 lbs_deb_wext("vwrq->value %d\n", vwrq->value);
1082 lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);
1083
1084 if (vwrq->fixed && vwrq->value == -1)
1085 goto out;
1086
1087 /* Auto rate? */
1088 priv->enablehwauto = !vwrq->fixed;
1089
1090 if (vwrq->value == -1)
1091 priv->cur_rate = 0;
1092 else {
1093 if (vwrq->value % 100000)
1094 goto out;
1095
1096 new_rate = vwrq->value / 500000;
1097 priv->cur_rate = new_rate;
1098 /* the rest is only needed for lbs_set_data_rate() */
1099 memset(rates, 0, sizeof(rates));
1100 copy_active_data_rates(priv, rates);
1101 if (!memchr(rates, new_rate, sizeof(rates))) {
1102 lbs_pr_alert("fixed data rate 0x%X out of range\n",
1103 new_rate);
1104 goto out;
1105 }
1106 if (priv->fwrelease < 0x09000000) {
1107 ret = lbs_set_power_adapt_cfg(priv, 0,
1108 POW_ADAPT_DEFAULT_P0,
1109 POW_ADAPT_DEFAULT_P1,
1110 POW_ADAPT_DEFAULT_P2);
1111 if (ret)
1112 goto out;
1113 }
1114 ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
1115 TPC_DEFAULT_P2, 1);
1116 if (ret)
1117 goto out;
1118 }
1119
1120 /* Try the newer command first (Firmware Spec 5.1 and above) */
1121 ret = lbs_cmd_802_11_rate_adapt_rateset(priv, CMD_ACT_SET);
1122
1123 /* Fallback to older version */
1124 if (ret)
1125 ret = lbs_set_data_rate(priv, new_rate);
1126
1127 out:
1128 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1129 return ret;
1130 }
1131
1132 static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1133 struct iw_param *vwrq, char *extra)
1134 {
1135 struct lbs_private *priv = dev->ml_priv;
1136
1137 lbs_deb_enter(LBS_DEB_WEXT);
1138
1139 if (priv->connect_status == LBS_CONNECTED) {
1140 vwrq->value = priv->cur_rate * 500000;
1141
1142 if (priv->enablehwauto)
1143 vwrq->fixed = 0;
1144 else
1145 vwrq->fixed = 1;
1146
1147 } else {
1148 vwrq->fixed = 0;
1149 vwrq->value = 0;
1150 }
1151
1152 lbs_deb_leave(LBS_DEB_WEXT);
1153 return 0;
1154 }
1155
1156 static int lbs_set_mode(struct net_device *dev,
1157 struct iw_request_info *info, u32 * uwrq, char *extra)
1158 {
1159 int ret = 0;
1160 struct lbs_private *priv = dev->ml_priv;
1161 struct assoc_request * assoc_req;
1162
1163 lbs_deb_enter(LBS_DEB_WEXT);
1164
1165 if ( (*uwrq != IW_MODE_ADHOC)
1166 && (*uwrq != IW_MODE_INFRA)
1167 && (*uwrq != IW_MODE_AUTO)) {
1168 lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1169 ret = -EINVAL;
1170 goto out;
1171 }
1172
1173 mutex_lock(&priv->lock);
1174 assoc_req = lbs_get_association_request(priv);
1175 if (!assoc_req) {
1176 ret = -ENOMEM;
1177 lbs_cancel_association_work(priv);
1178 } else {
1179 assoc_req->mode = *uwrq;
1180 set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1181 lbs_postpone_association_work(priv);
1182 lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1183 }
1184 mutex_unlock(&priv->lock);
1185
1186 out:
1187 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1188 return ret;
1189 }
1190
1191
1192 /**
1193 * @brief Get Encryption key
1194 *
1195 * @param dev A pointer to net_device structure
1196 * @param info A pointer to iw_request_info structure
1197 * @param vwrq A pointer to iw_param structure
1198 * @param extra A pointer to extra data buf
1199 * @return 0 --success, otherwise fail
1200 */
1201 static int lbs_get_encode(struct net_device *dev,
1202 struct iw_request_info *info,
1203 struct iw_point *dwrq, u8 * extra)
1204 {
1205 struct lbs_private *priv = dev->ml_priv;
1206 int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
1207
1208 lbs_deb_enter(LBS_DEB_WEXT);
1209
1210 lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1211 dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
1212
1213 dwrq->flags = 0;
1214
1215 /* Authentication method */
1216 switch (priv->secinfo.auth_mode) {
1217 case IW_AUTH_ALG_OPEN_SYSTEM:
1218 dwrq->flags = IW_ENCODE_OPEN;
1219 break;
1220
1221 case IW_AUTH_ALG_SHARED_KEY:
1222 case IW_AUTH_ALG_LEAP:
1223 dwrq->flags = IW_ENCODE_RESTRICTED;
1224 break;
1225 default:
1226 dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
1227 break;
1228 }
1229
1230 memset(extra, 0, 16);
1231
1232 mutex_lock(&priv->lock);
1233
1234 /* Default to returning current transmit key */
1235 if (index < 0)
1236 index = priv->wep_tx_keyidx;
1237
1238 if ((priv->wep_keys[index].len) && priv->secinfo.wep_enabled) {
1239 memcpy(extra, priv->wep_keys[index].key,
1240 priv->wep_keys[index].len);
1241 dwrq->length = priv->wep_keys[index].len;
1242
1243 dwrq->flags |= (index + 1);
1244 /* Return WEP enabled */
1245 dwrq->flags &= ~IW_ENCODE_DISABLED;
1246 } else if ((priv->secinfo.WPAenabled)
1247 || (priv->secinfo.WPA2enabled)) {
1248 /* return WPA enabled */
1249 dwrq->flags &= ~IW_ENCODE_DISABLED;
1250 dwrq->flags |= IW_ENCODE_NOKEY;
1251 } else {
1252 dwrq->flags |= IW_ENCODE_DISABLED;
1253 }
1254
1255 mutex_unlock(&priv->lock);
1256
1257 lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1258 extra[0], extra[1], extra[2],
1259 extra[3], extra[4], extra[5], dwrq->length);
1260
1261 lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1262
1263 lbs_deb_leave(LBS_DEB_WEXT);
1264 return 0;
1265 }
1266
1267 /**
1268 * @brief Set Encryption key (internal)
1269 *
1270 * @param priv A pointer to private card structure
1271 * @param key_material A pointer to key material
1272 * @param key_length length of key material
1273 * @param index key index to set
1274 * @param set_tx_key Force set TX key (1 = yes, 0 = no)
1275 * @return 0 --success, otherwise fail
1276 */
1277 static int lbs_set_wep_key(struct assoc_request *assoc_req,
1278 const char *key_material,
1279 u16 key_length,
1280 u16 index,
1281 int set_tx_key)
1282 {
1283 int ret = 0;
1284 struct enc_key *pkey;
1285
1286 lbs_deb_enter(LBS_DEB_WEXT);
1287
1288 /* Paranoid validation of key index */
1289 if (index > 3) {
1290 ret = -EINVAL;
1291 goto out;
1292 }
1293
1294 /* validate max key length */
1295 if (key_length > KEY_LEN_WEP_104) {
1296 ret = -EINVAL;
1297 goto out;
1298 }
1299
1300 pkey = &assoc_req->wep_keys[index];
1301
1302 if (key_length > 0) {
1303 memset(pkey, 0, sizeof(struct enc_key));
1304 pkey->type = KEY_TYPE_ID_WEP;
1305
1306 /* Standardize the key length */
1307 pkey->len = (key_length > KEY_LEN_WEP_40) ?
1308 KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
1309 memcpy(pkey->key, key_material, key_length);
1310 }
1311
1312 if (set_tx_key) {
1313 /* Ensure the chosen key is valid */
1314 if (!pkey->len) {
1315 lbs_deb_wext("key not set, so cannot enable it\n");
1316 ret = -EINVAL;
1317 goto out;
1318 }
1319 assoc_req->wep_tx_keyidx = index;
1320 }
1321
1322 assoc_req->secinfo.wep_enabled = 1;
1323
1324 out:
1325 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1326 return ret;
1327 }
1328
1329 static int validate_key_index(u16 def_index, u16 raw_index,
1330 u16 *out_index, u16 *is_default)
1331 {
1332 if (!out_index || !is_default)
1333 return -EINVAL;
1334
1335 /* Verify index if present, otherwise use default TX key index */
1336 if (raw_index > 0) {
1337 if (raw_index > 4)
1338 return -EINVAL;
1339 *out_index = raw_index - 1;
1340 } else {
1341 *out_index = def_index;
1342 *is_default = 1;
1343 }
1344 return 0;
1345 }
1346
1347 static void disable_wep(struct assoc_request *assoc_req)
1348 {
1349 int i;
1350
1351 lbs_deb_enter(LBS_DEB_WEXT);
1352
1353 /* Set Open System auth mode */
1354 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1355
1356 /* Clear WEP keys and mark WEP as disabled */
1357 assoc_req->secinfo.wep_enabled = 0;
1358 for (i = 0; i < 4; i++)
1359 assoc_req->wep_keys[i].len = 0;
1360
1361 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1362 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1363
1364 lbs_deb_leave(LBS_DEB_WEXT);
1365 }
1366
1367 static void disable_wpa(struct assoc_request *assoc_req)
1368 {
1369 lbs_deb_enter(LBS_DEB_WEXT);
1370
1371 memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1372 assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
1373 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1374
1375 memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1376 assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
1377 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1378
1379 assoc_req->secinfo.WPAenabled = 0;
1380 assoc_req->secinfo.WPA2enabled = 0;
1381 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1382
1383 lbs_deb_leave(LBS_DEB_WEXT);
1384 }
1385
1386 /**
1387 * @brief Set Encryption key
1388 *
1389 * @param dev A pointer to net_device structure
1390 * @param info A pointer to iw_request_info structure
1391 * @param vwrq A pointer to iw_param structure
1392 * @param extra A pointer to extra data buf
1393 * @return 0 --success, otherwise fail
1394 */
1395 static int lbs_set_encode(struct net_device *dev,
1396 struct iw_request_info *info,
1397 struct iw_point *dwrq, char *extra)
1398 {
1399 int ret = 0;
1400 struct lbs_private *priv = dev->ml_priv;
1401 struct assoc_request * assoc_req;
1402 u16 is_default = 0, index = 0, set_tx_key = 0;
1403
1404 lbs_deb_enter(LBS_DEB_WEXT);
1405
1406 mutex_lock(&priv->lock);
1407 assoc_req = lbs_get_association_request(priv);
1408 if (!assoc_req) {
1409 ret = -ENOMEM;
1410 goto out;
1411 }
1412
1413 if (dwrq->flags & IW_ENCODE_DISABLED) {
1414 disable_wep (assoc_req);
1415 disable_wpa (assoc_req);
1416 goto out;
1417 }
1418
1419 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1420 (dwrq->flags & IW_ENCODE_INDEX),
1421 &index, &is_default);
1422 if (ret) {
1423 ret = -EINVAL;
1424 goto out;
1425 }
1426
1427 /* If WEP isn't enabled, or if there is no key data but a valid
1428 * index, set the TX key.
1429 */
1430 if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1431 set_tx_key = 1;
1432
1433 ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1434 if (ret)
1435 goto out;
1436
1437 if (dwrq->length)
1438 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1439 if (set_tx_key)
1440 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1441
1442 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1443 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1444 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1445 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1446 }
1447
1448 out:
1449 if (ret == 0) {
1450 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1451 lbs_postpone_association_work(priv);
1452 } else {
1453 lbs_cancel_association_work(priv);
1454 }
1455 mutex_unlock(&priv->lock);
1456
1457 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1458 return ret;
1459 }
1460
1461 /**
1462 * @brief Get Extended Encryption key (WPA/802.1x and WEP)
1463 *
1464 * @param dev A pointer to net_device structure
1465 * @param info A pointer to iw_request_info structure
1466 * @param vwrq A pointer to iw_param structure
1467 * @param extra A pointer to extra data buf
1468 * @return 0 on success, otherwise failure
1469 */
1470 static int lbs_get_encodeext(struct net_device *dev,
1471 struct iw_request_info *info,
1472 struct iw_point *dwrq,
1473 char *extra)
1474 {
1475 int ret = -EINVAL;
1476 struct lbs_private *priv = dev->ml_priv;
1477 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1478 int index, max_key_len;
1479
1480 lbs_deb_enter(LBS_DEB_WEXT);
1481
1482 max_key_len = dwrq->length - sizeof(*ext);
1483 if (max_key_len < 0)
1484 goto out;
1485
1486 index = dwrq->flags & IW_ENCODE_INDEX;
1487 if (index) {
1488 if (index < 1 || index > 4)
1489 goto out;
1490 index--;
1491 } else {
1492 index = priv->wep_tx_keyidx;
1493 }
1494
1495 if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1496 ext->alg != IW_ENCODE_ALG_WEP) {
1497 if (index != 0 || priv->mode != IW_MODE_INFRA)
1498 goto out;
1499 }
1500
1501 dwrq->flags = index + 1;
1502 memset(ext, 0, sizeof(*ext));
1503
1504 if ( !priv->secinfo.wep_enabled
1505 && !priv->secinfo.WPAenabled
1506 && !priv->secinfo.WPA2enabled) {
1507 ext->alg = IW_ENCODE_ALG_NONE;
1508 ext->key_len = 0;
1509 dwrq->flags |= IW_ENCODE_DISABLED;
1510 } else {
1511 u8 *key = NULL;
1512
1513 if ( priv->secinfo.wep_enabled
1514 && !priv->secinfo.WPAenabled
1515 && !priv->secinfo.WPA2enabled) {
1516 /* WEP */
1517 ext->alg = IW_ENCODE_ALG_WEP;
1518 ext->key_len = priv->wep_keys[index].len;
1519 key = &priv->wep_keys[index].key[0];
1520 } else if ( !priv->secinfo.wep_enabled
1521 && (priv->secinfo.WPAenabled ||
1522 priv->secinfo.WPA2enabled)) {
1523 /* WPA */
1524 struct enc_key * pkey = NULL;
1525
1526 if ( priv->wpa_mcast_key.len
1527 && (priv->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
1528 pkey = &priv->wpa_mcast_key;
1529 else if ( priv->wpa_unicast_key.len
1530 && (priv->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
1531 pkey = &priv->wpa_unicast_key;
1532
1533 if (pkey) {
1534 if (pkey->type == KEY_TYPE_ID_AES) {
1535 ext->alg = IW_ENCODE_ALG_CCMP;
1536 } else {
1537 ext->alg = IW_ENCODE_ALG_TKIP;
1538 }
1539 ext->key_len = pkey->len;
1540 key = &pkey->key[0];
1541 } else {
1542 ext->alg = IW_ENCODE_ALG_TKIP;
1543 ext->key_len = 0;
1544 }
1545 } else {
1546 goto out;
1547 }
1548
1549 if (ext->key_len > max_key_len) {
1550 ret = -E2BIG;
1551 goto out;
1552 }
1553
1554 if (ext->key_len)
1555 memcpy(ext->key, key, ext->key_len);
1556 else
1557 dwrq->flags |= IW_ENCODE_NOKEY;
1558 dwrq->flags |= IW_ENCODE_ENABLED;
1559 }
1560 ret = 0;
1561
1562 out:
1563 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1564 return ret;
1565 }
1566
1567 /**
1568 * @brief Set Encryption key Extended (WPA/802.1x and WEP)
1569 *
1570 * @param dev A pointer to net_device structure
1571 * @param info A pointer to iw_request_info structure
1572 * @param vwrq A pointer to iw_param structure
1573 * @param extra A pointer to extra data buf
1574 * @return 0 --success, otherwise fail
1575 */
1576 static int lbs_set_encodeext(struct net_device *dev,
1577 struct iw_request_info *info,
1578 struct iw_point *dwrq,
1579 char *extra)
1580 {
1581 int ret = 0;
1582 struct lbs_private *priv = dev->ml_priv;
1583 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1584 int alg = ext->alg;
1585 struct assoc_request * assoc_req;
1586
1587 lbs_deb_enter(LBS_DEB_WEXT);
1588
1589 mutex_lock(&priv->lock);
1590 assoc_req = lbs_get_association_request(priv);
1591 if (!assoc_req) {
1592 ret = -ENOMEM;
1593 goto out;
1594 }
1595
1596 if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
1597 disable_wep (assoc_req);
1598 disable_wpa (assoc_req);
1599 } else if (alg == IW_ENCODE_ALG_WEP) {
1600 u16 is_default = 0, index, set_tx_key = 0;
1601
1602 ret = validate_key_index(assoc_req->wep_tx_keyidx,
1603 (dwrq->flags & IW_ENCODE_INDEX),
1604 &index, &is_default);
1605 if (ret)
1606 goto out;
1607
1608 /* If WEP isn't enabled, or if there is no key data but a valid
1609 * index, or if the set-TX-key flag was passed, set the TX key.
1610 */
1611 if ( !assoc_req->secinfo.wep_enabled
1612 || (dwrq->length == 0 && !is_default)
1613 || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
1614 set_tx_key = 1;
1615
1616 /* Copy key to driver */
1617 ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1618 set_tx_key);
1619 if (ret)
1620 goto out;
1621
1622 if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1623 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1624 } else if (dwrq->flags & IW_ENCODE_OPEN) {
1625 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1626 }
1627
1628 /* Mark the various WEP bits as modified */
1629 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1630 if (dwrq->length)
1631 set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1632 if (set_tx_key)
1633 set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
1634 } else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1635 struct enc_key * pkey;
1636
1637 /* validate key length */
1638 if (((alg == IW_ENCODE_ALG_TKIP)
1639 && (ext->key_len != KEY_LEN_WPA_TKIP))
1640 || ((alg == IW_ENCODE_ALG_CCMP)
1641 && (ext->key_len != KEY_LEN_WPA_AES))) {
1642 lbs_deb_wext("invalid size %d for key of alg "
1643 "type %d\n",
1644 ext->key_len,
1645 alg);
1646 ret = -EINVAL;
1647 goto out;
1648 }
1649
1650 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1651 pkey = &assoc_req->wpa_mcast_key;
1652 set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
1653 } else {
1654 pkey = &assoc_req->wpa_unicast_key;
1655 set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
1656 }
1657
1658 memset(pkey, 0, sizeof (struct enc_key));
1659 memcpy(pkey->key, ext->key, ext->key_len);
1660 pkey->len = ext->key_len;
1661 if (pkey->len)
1662 pkey->flags |= KEY_INFO_WPA_ENABLED;
1663
1664 /* Do this after zeroing key structure */
1665 if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1666 pkey->flags |= KEY_INFO_WPA_MCAST;
1667 } else {
1668 pkey->flags |= KEY_INFO_WPA_UNICAST;
1669 }
1670
1671 if (alg == IW_ENCODE_ALG_TKIP) {
1672 pkey->type = KEY_TYPE_ID_TKIP;
1673 } else if (alg == IW_ENCODE_ALG_CCMP) {
1674 pkey->type = KEY_TYPE_ID_AES;
1675 }
1676
1677 /* If WPA isn't enabled yet, do that now */
1678 if ( assoc_req->secinfo.WPAenabled == 0
1679 && assoc_req->secinfo.WPA2enabled == 0) {
1680 assoc_req->secinfo.WPAenabled = 1;
1681 assoc_req->secinfo.WPA2enabled = 1;
1682 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1683 }
1684
1685 /* Only disable wep if necessary: can't waste time here. */
1686 if (priv->mac_control & CMD_ACT_MAC_WEP_ENABLE)
1687 disable_wep(assoc_req);
1688 }
1689
1690 out:
1691 if (ret == 0) {
1692 /* 802.1x and WPA rekeying must happen as quickly as possible,
1693 * especially during the 4-way handshake; thus if in
1694 * infrastructure mode, and either (a) 802.1x is enabled or
1695 * (b) WPA is being used, set the key right away.
1696 */
1697 if (assoc_req->mode == IW_MODE_INFRA &&
1698 ((assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_802_1X) ||
1699 (assoc_req->secinfo.key_mgmt & IW_AUTH_KEY_MGMT_PSK) ||
1700 assoc_req->secinfo.WPAenabled ||
1701 assoc_req->secinfo.WPA2enabled)) {
1702 lbs_do_association_work(priv);
1703 } else
1704 lbs_postpone_association_work(priv);
1705 } else {
1706 lbs_cancel_association_work(priv);
1707 }
1708 mutex_unlock(&priv->lock);
1709
1710 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1711 return ret;
1712 }
1713
1714
1715 static int lbs_set_genie(struct net_device *dev,
1716 struct iw_request_info *info,
1717 struct iw_point *dwrq,
1718 char *extra)
1719 {
1720 struct lbs_private *priv = dev->ml_priv;
1721 int ret = 0;
1722 struct assoc_request * assoc_req;
1723
1724 lbs_deb_enter(LBS_DEB_WEXT);
1725
1726 mutex_lock(&priv->lock);
1727 assoc_req = lbs_get_association_request(priv);
1728 if (!assoc_req) {
1729 ret = -ENOMEM;
1730 goto out;
1731 }
1732
1733 if (dwrq->length > MAX_WPA_IE_LEN ||
1734 (dwrq->length && extra == NULL)) {
1735 ret = -EINVAL;
1736 goto out;
1737 }
1738
1739 if (dwrq->length) {
1740 memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
1741 assoc_req->wpa_ie_len = dwrq->length;
1742 } else {
1743 memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
1744 assoc_req->wpa_ie_len = 0;
1745 }
1746
1747 out:
1748 if (ret == 0) {
1749 set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1750 lbs_postpone_association_work(priv);
1751 } else {
1752 lbs_cancel_association_work(priv);
1753 }
1754 mutex_unlock(&priv->lock);
1755
1756 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1757 return ret;
1758 }
1759
1760 static int lbs_get_genie(struct net_device *dev,
1761 struct iw_request_info *info,
1762 struct iw_point *dwrq,
1763 char *extra)
1764 {
1765 int ret = 0;
1766 struct lbs_private *priv = dev->ml_priv;
1767
1768 lbs_deb_enter(LBS_DEB_WEXT);
1769
1770 if (priv->wpa_ie_len == 0) {
1771 dwrq->length = 0;
1772 goto out;
1773 }
1774
1775 if (dwrq->length < priv->wpa_ie_len) {
1776 ret = -E2BIG;
1777 goto out;
1778 }
1779
1780 dwrq->length = priv->wpa_ie_len;
1781 memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
1782
1783 out:
1784 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1785 return ret;
1786 }
1787
1788
1789 static int lbs_set_auth(struct net_device *dev,
1790 struct iw_request_info *info,
1791 struct iw_param *dwrq,
1792 char *extra)
1793 {
1794 struct lbs_private *priv = dev->ml_priv;
1795 struct assoc_request * assoc_req;
1796 int ret = 0;
1797 int updated = 0;
1798
1799 lbs_deb_enter(LBS_DEB_WEXT);
1800
1801 mutex_lock(&priv->lock);
1802 assoc_req = lbs_get_association_request(priv);
1803 if (!assoc_req) {
1804 ret = -ENOMEM;
1805 goto out;
1806 }
1807
1808 switch (dwrq->flags & IW_AUTH_INDEX) {
1809 case IW_AUTH_PRIVACY_INVOKED:
1810 case IW_AUTH_RX_UNENCRYPTED_EAPOL:
1811 case IW_AUTH_TKIP_COUNTERMEASURES:
1812 case IW_AUTH_CIPHER_PAIRWISE:
1813 case IW_AUTH_CIPHER_GROUP:
1814 case IW_AUTH_DROP_UNENCRYPTED:
1815 /*
1816 * libertas does not use these parameters
1817 */
1818 break;
1819
1820 case IW_AUTH_KEY_MGMT:
1821 assoc_req->secinfo.key_mgmt = dwrq->value;
1822 updated = 1;
1823 break;
1824
1825 case IW_AUTH_WPA_VERSION:
1826 if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
1827 assoc_req->secinfo.WPAenabled = 0;
1828 assoc_req->secinfo.WPA2enabled = 0;
1829 disable_wpa (assoc_req);
1830 }
1831 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
1832 assoc_req->secinfo.WPAenabled = 1;
1833 assoc_req->secinfo.wep_enabled = 0;
1834 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1835 }
1836 if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
1837 assoc_req->secinfo.WPA2enabled = 1;
1838 assoc_req->secinfo.wep_enabled = 0;
1839 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1840 }
1841 updated = 1;
1842 break;
1843
1844 case IW_AUTH_80211_AUTH_ALG:
1845 if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1846 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1847 } else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1848 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1849 } else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1850 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1851 } else {
1852 ret = -EINVAL;
1853 }
1854 updated = 1;
1855 break;
1856
1857 case IW_AUTH_WPA_ENABLED:
1858 if (dwrq->value) {
1859 if (!assoc_req->secinfo.WPAenabled &&
1860 !assoc_req->secinfo.WPA2enabled) {
1861 assoc_req->secinfo.WPAenabled = 1;
1862 assoc_req->secinfo.WPA2enabled = 1;
1863 assoc_req->secinfo.wep_enabled = 0;
1864 assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1865 }
1866 } else {
1867 assoc_req->secinfo.WPAenabled = 0;
1868 assoc_req->secinfo.WPA2enabled = 0;
1869 disable_wpa (assoc_req);
1870 }
1871 updated = 1;
1872 break;
1873
1874 default:
1875 ret = -EOPNOTSUPP;
1876 break;
1877 }
1878
1879 out:
1880 if (ret == 0) {
1881 if (updated)
1882 set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1883 lbs_postpone_association_work(priv);
1884 } else if (ret != -EOPNOTSUPP) {
1885 lbs_cancel_association_work(priv);
1886 }
1887 mutex_unlock(&priv->lock);
1888
1889 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1890 return ret;
1891 }
1892
1893 static int lbs_get_auth(struct net_device *dev,
1894 struct iw_request_info *info,
1895 struct iw_param *dwrq,
1896 char *extra)
1897 {
1898 int ret = 0;
1899 struct lbs_private *priv = dev->ml_priv;
1900
1901 lbs_deb_enter(LBS_DEB_WEXT);
1902
1903 switch (dwrq->flags & IW_AUTH_INDEX) {
1904 case IW_AUTH_KEY_MGMT:
1905 dwrq->value = priv->secinfo.key_mgmt;
1906 break;
1907
1908 case IW_AUTH_WPA_VERSION:
1909 dwrq->value = 0;
1910 if (priv->secinfo.WPAenabled)
1911 dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1912 if (priv->secinfo.WPA2enabled)
1913 dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
1914 if (!dwrq->value)
1915 dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
1916 break;
1917
1918 case IW_AUTH_80211_AUTH_ALG:
1919 dwrq->value = priv->secinfo.auth_mode;
1920 break;
1921
1922 case IW_AUTH_WPA_ENABLED:
1923 if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
1924 dwrq->value = 1;
1925 break;
1926
1927 default:
1928 ret = -EOPNOTSUPP;
1929 }
1930
1931 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1932 return ret;
1933 }
1934
1935
1936 static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1937 struct iw_param *vwrq, char *extra)
1938 {
1939 int ret = 0;
1940 struct lbs_private *priv = dev->ml_priv;
1941 s16 dbm = (s16) vwrq->value;
1942
1943 lbs_deb_enter(LBS_DEB_WEXT);
1944
1945 if (vwrq->disabled) {
1946 lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 0);
1947 goto out;
1948 }
1949
1950 if (vwrq->fixed == 0) {
1951 /* User requests automatic tx power control, however there are
1952 * many auto tx settings. For now use firmware defaults until
1953 * we come up with a good way to expose these to the user. */
1954 if (priv->fwrelease < 0x09000000) {
1955 ret = lbs_set_power_adapt_cfg(priv, 1,
1956 POW_ADAPT_DEFAULT_P0,
1957 POW_ADAPT_DEFAULT_P1,
1958 POW_ADAPT_DEFAULT_P2);
1959 if (ret)
1960 goto out;
1961 }
1962 ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
1963 TPC_DEFAULT_P2, 1);
1964 if (ret)
1965 goto out;
1966 dbm = priv->txpower_max;
1967 } else {
1968 /* Userspace check in iwrange if it should use dBm or mW,
1969 * therefore this should never happen... Jean II */
1970 if ((vwrq->flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) {
1971 ret = -EOPNOTSUPP;
1972 goto out;
1973 }
1974
1975 /* Validate requested power level against firmware allowed
1976 * levels */
1977 if (priv->txpower_min && (dbm < priv->txpower_min)) {
1978 ret = -EINVAL;
1979 goto out;
1980 }
1981
1982 if (priv->txpower_max && (dbm > priv->txpower_max)) {
1983 ret = -EINVAL;
1984 goto out;
1985 }
1986 if (priv->fwrelease < 0x09000000) {
1987 ret = lbs_set_power_adapt_cfg(priv, 0,
1988 POW_ADAPT_DEFAULT_P0,
1989 POW_ADAPT_DEFAULT_P1,
1990 POW_ADAPT_DEFAULT_P2);
1991 if (ret)
1992 goto out;
1993 }
1994 ret = lbs_set_tpc_cfg(priv, 0, TPC_DEFAULT_P0, TPC_DEFAULT_P1,
1995 TPC_DEFAULT_P2, 1);
1996 if (ret)
1997 goto out;
1998 }
1999
2000 /* If the radio was off, turn it on */
2001 if (!priv->radio_on) {
2002 ret = lbs_set_radio(priv, RADIO_PREAMBLE_AUTO, 1);
2003 if (ret)
2004 goto out;
2005 }
2006
2007 lbs_deb_wext("txpower set %d dBm\n", dbm);
2008
2009 ret = lbs_set_tx_power(priv, dbm);
2010
2011 out:
2012 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2013 return ret;
2014 }
2015
2016 static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
2017 struct iw_point *dwrq, char *extra)
2018 {
2019 struct lbs_private *priv = dev->ml_priv;
2020
2021 lbs_deb_enter(LBS_DEB_WEXT);
2022
2023 /*
2024 * Note : if dwrq->flags != 0, we should get the relevant SSID from
2025 * the SSID list...
2026 */
2027
2028 /*
2029 * Get the current SSID
2030 */
2031 if (priv->connect_status == LBS_CONNECTED) {
2032 memcpy(extra, priv->curbssparams.ssid,
2033 priv->curbssparams.ssid_len);
2034 } else {
2035 memset(extra, 0, 32);
2036 }
2037 /*
2038 * If none, we may want to get the one that was set
2039 */
2040
2041 dwrq->length = priv->curbssparams.ssid_len;
2042
2043 dwrq->flags = 1; /* active */
2044
2045 lbs_deb_leave(LBS_DEB_WEXT);
2046 return 0;
2047 }
2048
2049 static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
2050 struct iw_point *dwrq, char *extra)
2051 {
2052 struct lbs_private *priv = dev->ml_priv;
2053 int ret = 0;
2054 u8 ssid[IEEE80211_MAX_SSID_LEN];
2055 u8 ssid_len = 0;
2056 struct assoc_request * assoc_req;
2057 int in_ssid_len = dwrq->length;
2058 DECLARE_SSID_BUF(ssid_buf);
2059
2060 lbs_deb_enter(LBS_DEB_WEXT);
2061
2062 if (!priv->radio_on) {
2063 ret = -EINVAL;
2064 goto out;
2065 }
2066
2067 /* Check the size of the string */
2068 if (in_ssid_len > IEEE80211_MAX_SSID_LEN) {
2069 ret = -E2BIG;
2070 goto out;
2071 }
2072
2073 memset(&ssid, 0, sizeof(ssid));
2074
2075 if (!dwrq->flags || !in_ssid_len) {
2076 /* "any" SSID requested; leave SSID blank */
2077 } else {
2078 /* Specific SSID requested */
2079 memcpy(&ssid, extra, in_ssid_len);
2080 ssid_len = in_ssid_len;
2081 }
2082
2083 if (!ssid_len) {
2084 lbs_deb_wext("requested any SSID\n");
2085 } else {
2086 lbs_deb_wext("requested SSID '%s'\n",
2087 print_ssid(ssid_buf, ssid, ssid_len));
2088 }
2089
2090 out:
2091 mutex_lock(&priv->lock);
2092 if (ret == 0) {
2093 /* Get or create the current association request */
2094 assoc_req = lbs_get_association_request(priv);
2095 if (!assoc_req) {
2096 ret = -ENOMEM;
2097 } else {
2098 /* Copy the SSID to the association request */
2099 memcpy(&assoc_req->ssid, &ssid, IEEE80211_MAX_SSID_LEN);
2100 assoc_req->ssid_len = ssid_len;
2101 set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
2102 lbs_postpone_association_work(priv);
2103 }
2104 }
2105
2106 /* Cancel the association request if there was an error */
2107 if (ret != 0) {
2108 lbs_cancel_association_work(priv);
2109 }
2110
2111 mutex_unlock(&priv->lock);
2112
2113 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2114 return ret;
2115 }
2116
2117 #ifdef CONFIG_LIBERTAS_MESH
2118 static int lbs_mesh_get_essid(struct net_device *dev,
2119 struct iw_request_info *info,
2120 struct iw_point *dwrq, char *extra)
2121 {
2122 struct lbs_private *priv = dev->ml_priv;
2123
2124 lbs_deb_enter(LBS_DEB_WEXT);
2125
2126 memcpy(extra, priv->mesh_ssid, priv->mesh_ssid_len);
2127
2128 dwrq->length = priv->mesh_ssid_len;
2129
2130 dwrq->flags = 1; /* active */
2131
2132 lbs_deb_leave(LBS_DEB_WEXT);
2133 return 0;
2134 }
2135
2136 static int lbs_mesh_set_essid(struct net_device *dev,
2137 struct iw_request_info *info,
2138 struct iw_point *dwrq, char *extra)
2139 {
2140 struct lbs_private *priv = dev->ml_priv;
2141 int ret = 0;
2142
2143 lbs_deb_enter(LBS_DEB_WEXT);
2144
2145 if (!priv->radio_on) {
2146 ret = -EINVAL;
2147 goto out;
2148 }
2149
2150 /* Check the size of the string */
2151 if (dwrq->length > IEEE80211_MAX_SSID_LEN) {
2152 ret = -E2BIG;
2153 goto out;
2154 }
2155
2156 if (!dwrq->flags || !dwrq->length) {
2157 ret = -EINVAL;
2158 goto out;
2159 } else {
2160 /* Specific SSID requested */
2161 memcpy(priv->mesh_ssid, extra, dwrq->length);
2162 priv->mesh_ssid_len = dwrq->length;
2163 }
2164
2165 lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
2166 priv->channel);
2167 out:
2168 lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
2169 return ret;
2170 }
2171 #endif
2172
2173 /**
2174 * @brief Connect to the AP or Ad-hoc Network with specific bssid
2175 *
2176 * @param dev A pointer to net_device structure
2177 * @param info A pointer to iw_request_info structure
2178 * @param awrq A pointer to iw_param structure
2179 * @param extra A pointer to extra data buf
2180 * @return 0 --success, otherwise fail
2181 */
2182 static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
2183 struct sockaddr *awrq, char *extra)
2184 {
2185 struct lbs_private *priv = dev->ml_priv;
2186 struct assoc_request * assoc_req;
2187 int ret = 0;
2188
2189 lbs_deb_enter(LBS_DEB_WEXT);
2190
2191 if (!priv->radio_on)
2192 return -EINVAL;
2193
2194 if (awrq->sa_family != ARPHRD_ETHER)
2195 return -EINVAL;
2196
2197 lbs_deb_wext("ASSOC: WAP: sa_data %pM\n", awrq->sa_data);
2198
2199 mutex_lock(&priv->lock);
2200
2201 /* Get or create the current association request */
2202 assoc_req = lbs_get_association_request(priv);
2203 if (!assoc_req) {
2204 lbs_cancel_association_work(priv);
2205 ret = -ENOMEM;
2206 } else {
2207 /* Copy the BSSID to the association request */
2208 memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
2209 set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
2210 lbs_postpone_association_work(priv);
2211 }
2212
2213 mutex_unlock(&priv->lock);
2214
2215 return ret;
2216 }
2217
2218 /*
2219 * iwconfig settable callbacks
2220 */
2221 static const iw_handler lbs_handler[] = {
2222 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2223 (iw_handler) lbs_get_name, /* SIOCGIWNAME */
2224 (iw_handler) NULL, /* SIOCSIWNWID */
2225 (iw_handler) NULL, /* SIOCGIWNWID */
2226 (iw_handler) lbs_set_freq, /* SIOCSIWFREQ */
2227 (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
2228 (iw_handler) lbs_set_mode, /* SIOCSIWMODE */
2229 (iw_handler) lbs_get_mode, /* SIOCGIWMODE */
2230 (iw_handler) NULL, /* SIOCSIWSENS */
2231 (iw_handler) NULL, /* SIOCGIWSENS */
2232 (iw_handler) NULL, /* SIOCSIWRANGE */
2233 (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
2234 (iw_handler) NULL, /* SIOCSIWPRIV */
2235 (iw_handler) NULL, /* SIOCGIWPRIV */
2236 (iw_handler) NULL, /* SIOCSIWSTATS */
2237 (iw_handler) NULL, /* SIOCGIWSTATS */
2238 iw_handler_set_spy, /* SIOCSIWSPY */
2239 iw_handler_get_spy, /* SIOCGIWSPY */
2240 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2241 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2242 (iw_handler) lbs_set_wap, /* SIOCSIWAP */
2243 (iw_handler) lbs_get_wap, /* SIOCGIWAP */
2244 (iw_handler) NULL, /* SIOCSIWMLME */
2245 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2246 (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
2247 (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
2248 (iw_handler) lbs_set_essid, /* SIOCSIWESSID */
2249 (iw_handler) lbs_get_essid, /* SIOCGIWESSID */
2250 (iw_handler) lbs_set_nick, /* SIOCSIWNICKN */
2251 (iw_handler) lbs_get_nick, /* SIOCGIWNICKN */
2252 (iw_handler) NULL, /* -- hole -- */
2253 (iw_handler) NULL, /* -- hole -- */
2254 (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
2255 (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
2256 (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
2257 (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
2258 (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
2259 (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
2260 (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
2261 (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
2262 (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
2263 (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
2264 (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
2265 (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
2266 (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
2267 (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
2268 (iw_handler) NULL, /* -- hole -- */
2269 (iw_handler) NULL, /* -- hole -- */
2270 (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
2271 (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
2272 (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
2273 (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
2274 (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2275 (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2276 (iw_handler) NULL, /* SIOCSIWPMKSA */
2277 };
2278 struct iw_handler_def lbs_handler_def = {
2279 .num_standard = ARRAY_SIZE(lbs_handler),
2280 .standard = (iw_handler *) lbs_handler,
2281 .get_wireless_stats = lbs_get_wireless_stats,
2282 };
2283
2284 #ifdef CONFIG_LIBERTAS_MESH
2285 static const iw_handler mesh_wlan_handler[] = {
2286 (iw_handler) NULL, /* SIOCSIWCOMMIT */
2287 (iw_handler) lbs_get_name, /* SIOCGIWNAME */
2288 (iw_handler) NULL, /* SIOCSIWNWID */
2289 (iw_handler) NULL, /* SIOCGIWNWID */
2290 (iw_handler) lbs_mesh_set_freq, /* SIOCSIWFREQ */
2291 (iw_handler) lbs_get_freq, /* SIOCGIWFREQ */
2292 (iw_handler) NULL, /* SIOCSIWMODE */
2293 (iw_handler) mesh_wlan_get_mode, /* SIOCGIWMODE */
2294 (iw_handler) NULL, /* SIOCSIWSENS */
2295 (iw_handler) NULL, /* SIOCGIWSENS */
2296 (iw_handler) NULL, /* SIOCSIWRANGE */
2297 (iw_handler) lbs_get_range, /* SIOCGIWRANGE */
2298 (iw_handler) NULL, /* SIOCSIWPRIV */
2299 (iw_handler) NULL, /* SIOCGIWPRIV */
2300 (iw_handler) NULL, /* SIOCSIWSTATS */
2301 (iw_handler) NULL, /* SIOCGIWSTATS */
2302 iw_handler_set_spy, /* SIOCSIWSPY */
2303 iw_handler_get_spy, /* SIOCGIWSPY */
2304 iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
2305 iw_handler_get_thrspy, /* SIOCGIWTHRSPY */
2306 (iw_handler) NULL, /* SIOCSIWAP */
2307 (iw_handler) NULL, /* SIOCGIWAP */
2308 (iw_handler) NULL, /* SIOCSIWMLME */
2309 (iw_handler) NULL, /* SIOCGIWAPLIST - deprecated */
2310 (iw_handler) lbs_set_scan, /* SIOCSIWSCAN */
2311 (iw_handler) lbs_get_scan, /* SIOCGIWSCAN */
2312 (iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
2313 (iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
2314 (iw_handler) NULL, /* SIOCSIWNICKN */
2315 (iw_handler) mesh_get_nick, /* SIOCGIWNICKN */
2316 (iw_handler) NULL, /* -- hole -- */
2317 (iw_handler) NULL, /* -- hole -- */
2318 (iw_handler) lbs_set_rate, /* SIOCSIWRATE */
2319 (iw_handler) lbs_get_rate, /* SIOCGIWRATE */
2320 (iw_handler) lbs_set_rts, /* SIOCSIWRTS */
2321 (iw_handler) lbs_get_rts, /* SIOCGIWRTS */
2322 (iw_handler) lbs_set_frag, /* SIOCSIWFRAG */
2323 (iw_handler) lbs_get_frag, /* SIOCGIWFRAG */
2324 (iw_handler) lbs_set_txpow, /* SIOCSIWTXPOW */
2325 (iw_handler) lbs_get_txpow, /* SIOCGIWTXPOW */
2326 (iw_handler) lbs_set_retry, /* SIOCSIWRETRY */
2327 (iw_handler) lbs_get_retry, /* SIOCGIWRETRY */
2328 (iw_handler) lbs_set_encode, /* SIOCSIWENCODE */
2329 (iw_handler) lbs_get_encode, /* SIOCGIWENCODE */
2330 (iw_handler) lbs_set_power, /* SIOCSIWPOWER */
2331 (iw_handler) lbs_get_power, /* SIOCGIWPOWER */
2332 (iw_handler) NULL, /* -- hole -- */
2333 (iw_handler) NULL, /* -- hole -- */
2334 (iw_handler) lbs_set_genie, /* SIOCSIWGENIE */
2335 (iw_handler) lbs_get_genie, /* SIOCGIWGENIE */
2336 (iw_handler) lbs_set_auth, /* SIOCSIWAUTH */
2337 (iw_handler) lbs_get_auth, /* SIOCGIWAUTH */
2338 (iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
2339 (iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2340 (iw_handler) NULL, /* SIOCSIWPMKSA */
2341 };
2342
2343 struct iw_handler_def mesh_handler_def = {
2344 .num_standard = ARRAY_SIZE(mesh_wlan_handler),
2345 .standard = (iw_handler *) mesh_wlan_handler,
2346 .get_wireless_stats = lbs_get_wireless_stats,
2347 };
2348 #endif
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree