wext.c 54.3 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
/**
  * This file contains ioctl functions
  */
#include <linux/ctype.h>
#include <linux/delay.h>
#include <linux/if.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <linux/bitops.h>

#include <net/ieee80211.h>
#include <net/iw_handler.h>

#include "host.h"
#include "radiotap.h"
#include "decl.h"
#include "defs.h"
#include "dev.h"
#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 29 30 31 32
		return;
	cancel_delayed_work(&priv->assoc_work);
	queue_delayed_work(priv->work_thread, &priv->assoc_work, HZ / 2);
}

33
static inline void lbs_cancel_association_work(struct lbs_private *priv)
34 35
{
	cancel_delayed_work(&priv->assoc_work);
36 37
	kfree(priv->pending_assoc_req);
	priv->pending_assoc_req = NULL;
38 39 40
}


41 42 43
/**
 *  @brief Find the channel frequency power info with specific channel
 *
44
 *  @param priv 	A pointer to struct lbs_private structure
45 46 47 48
 *  @param band		it can be BAND_A, BAND_G or BAND_B
 *  @param channel      the channel for looking
 *  @return 	   	A pointer to struct chan_freq_power structure or NULL if not find.
 */
49
struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
50
	struct lbs_private *priv,
51 52
	u8 band,
	u16 channel)
53 54 55 56 57
{
	struct chan_freq_power *cfp = NULL;
	struct region_channel *rc;
	int i, j;

58 59
	for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
		rc = &priv->region_channel[j];
60

61 62
		if (priv->enable11d)
			rc = &priv->universal_channel[j];
63 64 65 66 67 68 69 70 71 72 73 74 75
		if (!rc->valid || !rc->CFP)
			continue;
		if (rc->band != band)
			continue;
		for (i = 0; i < rc->nrcfp; i++) {
			if (rc->CFP[i].channel == channel) {
				cfp = &rc->CFP[i];
				break;
			}
		}
	}

	if (!cfp && channel)
76
		lbs_deb_wext("lbs_find_cfp_by_band_and_channel: can't find "
77
		       "cfp by band %d / channel %d\n", band, channel);
78 79 80 81 82 83 84

	return cfp;
}

/**
 *  @brief Find the channel frequency power info with specific frequency
 *
85
 *  @param priv 	A pointer to struct lbs_private structure
86 87 88 89
 *  @param band		it can be BAND_A, BAND_G or BAND_B
 *  @param freq	        the frequency for looking
 *  @return 	   	A pointer to struct chan_freq_power structure or NULL if not find.
 */
90
static struct chan_freq_power *find_cfp_by_band_and_freq(
91
	struct lbs_private *priv,
92 93
	u8 band,
	u32 freq)
94 95 96 97 98
{
	struct chan_freq_power *cfp = NULL;
	struct region_channel *rc;
	int i, j;

99 100
	for (j = 0; !cfp && (j < ARRAY_SIZE(priv->region_channel)); j++) {
		rc = &priv->region_channel[j];
101

102 103
		if (priv->enable11d)
			rc = &priv->universal_channel[j];
104 105 106 107 108 109 110 111 112 113 114 115 116
		if (!rc->valid || !rc->CFP)
			continue;
		if (rc->band != band)
			continue;
		for (i = 0; i < rc->nrcfp; i++) {
			if (rc->CFP[i].freq == freq) {
				cfp = &rc->CFP[i];
				break;
			}
		}
	}

	if (!cfp && freq)
117 118
		lbs_deb_wext("find_cfp_by_band_and_freql: can't find cfp by "
		       "band %d / freq %d\n", band, freq);
119 120 121 122 123 124 125 126

	return cfp;
}


/**
 *  @brief Set Radio On/OFF
 *
127
 *  @param priv                 A pointer to struct lbs_private structure
128 129 130
 *  @option 			Radio Option
 *  @return 	   		0 --success, otherwise fail
 */
131
static int lbs_radio_ioctl(struct lbs_private *priv, u8 option)
132 133 134
{
	int ret = 0;

135
	lbs_deb_enter(LBS_DEB_WEXT);
136

137
	if (priv->radioon != option) {
138
		lbs_deb_wext("switching radio %s\n", option ? "on" : "off");
139
		priv->radioon = option;
140

141
		ret = lbs_prepare_and_send_command(priv,
142 143 144
					    CMD_802_11_RADIO_CONTROL,
					    CMD_ACT_SET,
					    CMD_OPTION_WAITFORRSP, 0, NULL);
145 146
	}

147
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
148 149 150 151
	return ret;
}

/**
152
 *  @brief Copy active data rates based on adapter mode and status
153
 *
154
 *  @param priv              A pointer to struct lbs_private structure
155 156
 *  @param rate		        The buf to return the active rates
 */
157
static void copy_active_data_rates(struct lbs_private *priv, u8 *rates)
158
{
159
	lbs_deb_enter(LBS_DEB_WEXT);
160

161 162
	if ((priv->connect_status != LBS_CONNECTED) &&
		(priv->mesh_connect_status != LBS_CONNECTED))
163
		memcpy(rates, lbs_bg_rates, MAX_RATES);
164
	else
165
		memcpy(rates, priv->curbssparams.rates, MAX_RATES);
166

167
	lbs_deb_leave(LBS_DEB_WEXT);
168 169
}

170
static int lbs_get_name(struct net_device *dev, struct iw_request_info *info,
171 172 173
			 char *cwrq, char *extra)
{

174
	lbs_deb_enter(LBS_DEB_WEXT);
175

176 177
	/* We could add support for 802.11n here as needed. Jean II */
	snprintf(cwrq, IFNAMSIZ, "IEEE 802.11b/g");
178

179
	lbs_deb_leave(LBS_DEB_WEXT);
180 181 182
	return 0;
}

183
static int lbs_get_freq(struct net_device *dev, struct iw_request_info *info,
184 185
			 struct iw_freq *fwrq, char *extra)
{
186
	struct lbs_private *priv = dev->priv;
187 188
	struct chan_freq_power *cfp;

189
	lbs_deb_enter(LBS_DEB_WEXT);
190

191 192
	cfp = lbs_find_cfp_by_band_and_channel(priv, 0,
					   priv->curbssparams.channel);
193 194

	if (!cfp) {
195
		if (priv->curbssparams.channel)
196
			lbs_deb_wext("invalid channel %d\n",
197
			       priv->curbssparams.channel);
198 199 200 201 202 203
		return -EINVAL;
	}

	fwrq->m = (long)cfp->freq * 100000;
	fwrq->e = 1;

204 205
	lbs_deb_wext("freq %u\n", fwrq->m);
	lbs_deb_leave(LBS_DEB_WEXT);
206 207 208
	return 0;
}

209
static int lbs_get_wap(struct net_device *dev, struct iw_request_info *info,
210 211
			struct sockaddr *awrq, char *extra)
{
212
	struct lbs_private *priv = dev->priv;
213

214
	lbs_deb_enter(LBS_DEB_WEXT);
215

216 217
	if (priv->connect_status == LBS_CONNECTED) {
		memcpy(awrq->sa_data, priv->curbssparams.bssid, ETH_ALEN);
218 219 220 221 222
	} else {
		memset(awrq->sa_data, 0, ETH_ALEN);
	}
	awrq->sa_family = ARPHRD_ETHER;

223
	lbs_deb_leave(LBS_DEB_WEXT);
224 225 226
	return 0;
}

227
static int lbs_set_nick(struct net_device *dev, struct iw_request_info *info,
228 229
			 struct iw_point *dwrq, char *extra)
{
230
	struct lbs_private *priv = dev->priv;
231

232
	lbs_deb_enter(LBS_DEB_WEXT);
233 234 235 236 237 238 239 240 241

	/*
	 * Check the size of the string
	 */

	if (dwrq->length > 16) {
		return -E2BIG;
	}

242 243 244 245
	mutex_lock(&priv->lock);
	memset(priv->nodename, 0, sizeof(priv->nodename));
	memcpy(priv->nodename, extra, dwrq->length);
	mutex_unlock(&priv->lock);
246

247
	lbs_deb_leave(LBS_DEB_WEXT);
248 249 250
	return 0;
}

251
static int lbs_get_nick(struct net_device *dev, struct iw_request_info *info,
252 253
			 struct iw_point *dwrq, char *extra)
{
254
	struct lbs_private *priv = dev->priv;
255

256
	lbs_deb_enter(LBS_DEB_WEXT);
257

258 259
	dwrq->length = strlen(priv->nodename);
	memcpy(extra, priv->nodename, dwrq->length);
260
	extra[dwrq->length] = '\0';
261

262
	dwrq->flags = 1;	/* active */
263

264
	lbs_deb_leave(LBS_DEB_WEXT);
265 266 267
	return 0;
}

268 269 270
static int mesh_get_nick(struct net_device *dev, struct iw_request_info *info,
			 struct iw_point *dwrq, char *extra)
{
271
	struct lbs_private *priv = dev->priv;
272 273 274 275 276

	lbs_deb_enter(LBS_DEB_WEXT);

	/* Use nickname to indicate that mesh is on */

277
	if (priv->mesh_connect_status == LBS_CONNECTED) {
278 279
		strncpy(extra, "Mesh", 12);
		extra[12] = '\0';
280
		dwrq->length = strlen(extra);
281 282 283 284
	}

	else {
		extra[0] = '\0';
285
		dwrq->length = 0;
286 287 288 289 290
	}

	lbs_deb_leave(LBS_DEB_WEXT);
	return 0;
}
291

292
static int lbs_set_rts(struct net_device *dev, struct iw_request_info *info,
293 294 295
			struct iw_param *vwrq, char *extra)
{
	int ret = 0;
296
	struct lbs_private *priv = dev->priv;
297
	u32 rthr = vwrq->value;
298

299
	lbs_deb_enter(LBS_DEB_WEXT);
300 301

	if (vwrq->disabled) {
302
		priv->rtsthsd = rthr = MRVDRV_RTS_MAX_VALUE;
303 304 305
	} else {
		if (rthr < MRVDRV_RTS_MIN_VALUE || rthr > MRVDRV_RTS_MAX_VALUE)
			return -EINVAL;
306
		priv->rtsthsd = rthr;
307 308
	}

309
	ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
310
				    CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
311 312
				    OID_802_11_RTS_THRESHOLD, &rthr);

313
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
314 315 316
	return ret;
}

317
static int lbs_get_rts(struct net_device *dev, struct iw_request_info *info,
318 319 320
			struct iw_param *vwrq, char *extra)
{
	int ret = 0;
321
	struct lbs_private *priv = dev->priv;
322

323
	lbs_deb_enter(LBS_DEB_WEXT);
324

325
	priv->rtsthsd = 0;
326
	ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
327
				    CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
328
				    OID_802_11_RTS_THRESHOLD, NULL);
329 330
	if (ret)
		goto out;
331

332
	vwrq->value = priv->rtsthsd;
333 334 335 336
	vwrq->disabled = ((vwrq->value < MRVDRV_RTS_MIN_VALUE)
			  || (vwrq->value > MRVDRV_RTS_MAX_VALUE));
	vwrq->fixed = 1;

337 338 339
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
340 341
}

342
static int lbs_set_frag(struct net_device *dev, struct iw_request_info *info,
343 344 345
			 struct iw_param *vwrq, char *extra)
{
	int ret = 0;
346
	u32 fthr = vwrq->value;
347
	struct lbs_private *priv = dev->priv;
348

349
	lbs_deb_enter(LBS_DEB_WEXT);
350 351

	if (vwrq->disabled) {
352
		priv->fragthsd = fthr = MRVDRV_FRAG_MAX_VALUE;
353 354 355 356
	} else {
		if (fthr < MRVDRV_FRAG_MIN_VALUE
		    || fthr > MRVDRV_FRAG_MAX_VALUE)
			return -EINVAL;
357
		priv->fragthsd = fthr;
358 359
	}

360
	ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
361
				    CMD_ACT_SET, CMD_OPTION_WAITFORRSP,
362
				    OID_802_11_FRAGMENTATION_THRESHOLD, &fthr);
363 364

	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
365 366 367
	return ret;
}

368
static int lbs_get_frag(struct net_device *dev, struct iw_request_info *info,
369 370 371
			 struct iw_param *vwrq, char *extra)
{
	int ret = 0;
372
	struct lbs_private *priv = dev->priv;
373

374
	lbs_deb_enter(LBS_DEB_WEXT);
375

376
	priv->fragthsd = 0;
377
	ret = lbs_prepare_and_send_command(priv,
378 379
				    CMD_802_11_SNMP_MIB,
				    CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
380
				    OID_802_11_FRAGMENTATION_THRESHOLD, NULL);
381 382
	if (ret)
		goto out;
383

384
	vwrq->value = priv->fragthsd;
385 386 387 388
	vwrq->disabled = ((vwrq->value < MRVDRV_FRAG_MIN_VALUE)
			  || (vwrq->value > MRVDRV_FRAG_MAX_VALUE));
	vwrq->fixed = 1;

389 390
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
391 392 393
	return ret;
}

394
static int lbs_get_mode(struct net_device *dev,
395 396
			 struct iw_request_info *info, u32 * uwrq, char *extra)
{
397
	struct lbs_private *priv = dev->priv;
398

399
	lbs_deb_enter(LBS_DEB_WEXT);
400

401
	*uwrq = priv->mode;
402

403
	lbs_deb_leave(LBS_DEB_WEXT);
404 405 406
	return 0;
}

407 408 409 410 411 412 413 414 415 416 417 418
static int mesh_wlan_get_mode(struct net_device *dev,
		              struct iw_request_info *info, u32 * uwrq,
			      char *extra)
{
	lbs_deb_enter(LBS_DEB_WEXT);

	*uwrq = IW_MODE_REPEAT ;

	lbs_deb_leave(LBS_DEB_WEXT);
	return 0;
}

419
static int lbs_get_txpow(struct net_device *dev,
420 421 422 423
			  struct iw_request_info *info,
			  struct iw_param *vwrq, char *extra)
{
	int ret = 0;
424
	struct lbs_private *priv = dev->priv;
425

426
	lbs_deb_enter(LBS_DEB_WEXT);
427

428
	ret = lbs_prepare_and_send_command(priv,
429 430 431
				    CMD_802_11_RF_TX_POWER,
				    CMD_ACT_TX_POWER_OPT_GET,
				    CMD_OPTION_WAITFORRSP, 0, NULL);
432

433 434
	if (ret)
		goto out;
435

436 437
	lbs_deb_wext("tx power level %d dbm\n", priv->txpowerlevel);
	vwrq->value = priv->txpowerlevel;
438
	vwrq->fixed = 1;
439
	if (priv->radioon) {
440 441 442 443 444 445
		vwrq->disabled = 0;
		vwrq->flags = IW_TXPOW_DBM;
	} else {
		vwrq->disabled = 1;
	}

446 447 448
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
449 450
}

451
static int lbs_set_retry(struct net_device *dev, struct iw_request_info *info,
452 453 454
			  struct iw_param *vwrq, char *extra)
{
	int ret = 0;
455
	struct lbs_private *priv = dev->priv;
456

457
	lbs_deb_enter(LBS_DEB_WEXT);
458 459 460 461 462 463 464 465 466 467

	if (vwrq->flags == IW_RETRY_LIMIT) {
		/* The MAC has a 4-bit Total_Tx_Count register
		   Total_Tx_Count = 1 + Tx_Retry_Count */
#define TX_RETRY_MIN 0
#define TX_RETRY_MAX 14
		if (vwrq->value < TX_RETRY_MIN || vwrq->value > TX_RETRY_MAX)
			return -EINVAL;

		/* Adding 1 to convert retry count to try count */
468
		priv->txretrycount = vwrq->value + 1;
469

470
		ret = lbs_prepare_and_send_command(priv, CMD_802_11_SNMP_MIB,
471 472
					    CMD_ACT_SET,
					    CMD_OPTION_WAITFORRSP,
473 474
					    OID_802_11_TX_RETRYCOUNT, NULL);

475 476
		if (ret)
			goto out;
477 478 479 480
	} else {
		return -EOPNOTSUPP;
	}

481 482 483
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
484 485
}

486
static int lbs_get_retry(struct net_device *dev, struct iw_request_info *info,
487 488
			  struct iw_param *vwrq, char *extra)
{
489
	struct lbs_private *priv = dev->priv;
490 491
	int ret = 0;

492 493
	lbs_deb_enter(LBS_DEB_WEXT);

494
	priv->txretrycount = 0;
495
	ret = lbs_prepare_and_send_command(priv,
496 497
				    CMD_802_11_SNMP_MIB,
				    CMD_ACT_GET, CMD_OPTION_WAITFORRSP,
498
				    OID_802_11_TX_RETRYCOUNT, NULL);
499 500 501
	if (ret)
		goto out;

502 503 504 505
	vwrq->disabled = 0;
	if (!vwrq->flags) {
		vwrq->flags = IW_RETRY_LIMIT;
		/* Subtract 1 to convert try count to retry count */
506
		vwrq->value = priv->txretrycount - 1;
507 508
	}

509 510 511
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552
}

static inline void sort_channels(struct iw_freq *freq, int num)
{
	int i, j;
	struct iw_freq temp;

	for (i = 0; i < num; i++)
		for (j = i + 1; j < num; j++)
			if (freq[i].i > freq[j].i) {
				temp.i = freq[i].i;
				temp.m = freq[i].m;

				freq[i].i = freq[j].i;
				freq[i].m = freq[j].m;

				freq[j].i = temp.i;
				freq[j].m = temp.m;
			}
}

/* data rate listing
	MULTI_BANDS:
		abg		a	b	b/g
   Infra 	G(12)		A(8)	B(4)	G(12)
   Adhoc 	A+B(12)		A(8)	B(4)	B(4)

	non-MULTI_BANDS:
					b	b/g
   Infra 	     		    	B(4)	G(12)
   Adhoc 	      		    	B(4)	B(4)
 */
/**
 *  @brief Get Range Info
 *
 *  @param dev                  A pointer to net_device structure
 *  @param info			A pointer to iw_request_info structure
 *  @param vwrq 		A pointer to iw_param structure
 *  @param extra		A pointer to extra data buf
 *  @return 	   		0 --success, otherwise fail
 */
553
static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
554 555 556
			  struct iw_point *dwrq, char *extra)
{
	int i, j;
557
	struct lbs_private *priv = dev->priv;
558 559
	struct iw_range *range = (struct iw_range *)extra;
	struct chan_freq_power *cfp;
560
	u8 rates[MAX_RATES + 1];
561 562 563

	u8 flag = 0;

564
	lbs_deb_enter(LBS_DEB_WEXT);
565 566 567 568 569 570 571 572

	dwrq->length = sizeof(struct iw_range);
	memset(range, 0, sizeof(struct iw_range));

	range->min_nwid = 0;
	range->max_nwid = 0;

	memset(rates, 0, sizeof(rates));
573
	copy_active_data_rates(priv, rates);
574 575 576
	range->num_bitrates = strnlen(rates, IW_MAX_BITRATES);
	for (i = 0; i < range->num_bitrates; i++)
		range->bitrate[i] = rates[i] * 500000;
577
	range->num_bitrates = i;
578
	lbs_deb_wext("IW_MAX_BITRATES %d, num_bitrates %d\n", IW_MAX_BITRATES,
579 580 581
	       range->num_bitrates);

	range->num_frequency = 0;
582 583 584

	range->scan_capa = IW_SCAN_CAPA_ESSID;

585 586 587
	if (priv->enable11d &&
	    (priv->connect_status == LBS_CONNECTED ||
	    priv->mesh_connect_status == LBS_CONNECTED)) {
588 589 590 591
		u8 chan_no;
		u8 band;

		struct parsed_region_chan_11d *parsed_region_chan =
592
		    &priv->parsed_region_chan;
593 594

		if (parsed_region_chan == NULL) {
595 596
			lbs_deb_wext("11d: parsed_region_chan is NULL\n");
			goto out;
597 598
		}
		band = parsed_region_chan->band;
599
		lbs_deb_wext("band %d, nr_char %d\n", band,
600 601 602 603 604
		       parsed_region_chan->nr_chan);

		for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
		     && (i < parsed_region_chan->nr_chan); i++) {
			chan_no = parsed_region_chan->chanpwr[i].chan;
605
			lbs_deb_wext("chan_no %d\n", chan_no);
606 607
			range->freq[range->num_frequency].i = (long)chan_no;
			range->freq[range->num_frequency].m =
608
			    (long)lbs_chan_2_freq(chan_no) * 100000;
609 610 611 612 613 614 615
			range->freq[range->num_frequency].e = 1;
			range->num_frequency++;
		}
		flag = 1;
	}
	if (!flag) {
		for (j = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
616 617
		     && (j < ARRAY_SIZE(priv->region_channel)); j++) {
			cfp = priv->region_channel[j].CFP;
618
			for (i = 0; (range->num_frequency < IW_MAX_FREQUENCIES)
619
			     && priv->region_channel[j].valid
620
			     && cfp
621
			     && (i < priv->region_channel[j].nrcfp); i++) {
622 623 624 625 626 627 628 629 630 631 632
				range->freq[range->num_frequency].i =
				    (long)cfp->channel;
				range->freq[range->num_frequency].m =
				    (long)cfp->freq * 100000;
				range->freq[range->num_frequency].e = 1;
				cfp++;
				range->num_frequency++;
			}
		}
	}

633
	lbs_deb_wext("IW_MAX_FREQUENCIES %d, num_frequency %d\n",
634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658
	       IW_MAX_FREQUENCIES, range->num_frequency);

	range->num_channels = range->num_frequency;

	sort_channels(&range->freq[0], range->num_frequency);

	/*
	 * Set an indication of the max TCP throughput in bit/s that we can
	 * expect using this interface
	 */
	if (i > 2)
		range->throughput = 5000 * 1000;
	else
		range->throughput = 1500 * 1000;

	range->min_rts = MRVDRV_RTS_MIN_VALUE;
	range->max_rts = MRVDRV_RTS_MAX_VALUE;
	range->min_frag = MRVDRV_FRAG_MIN_VALUE;
	range->max_frag = MRVDRV_FRAG_MAX_VALUE;

	range->encoding_size[0] = 5;
	range->encoding_size[1] = 13;
	range->num_encoding_sizes = 2;
	range->max_encoding_tokens = 4;

659 660 661 662
	/*
	 * Right now we support only "iwconfig ethX power on|off"
	 */
	range->pm_capa = IW_POWER_ON;
663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717

	/*
	 * Minimum version we recommend
	 */
	range->we_version_source = 15;

	/*
	 * Version we are compiled with
	 */
	range->we_version_compiled = WIRELESS_EXT;

	range->retry_capa = IW_RETRY_LIMIT;
	range->retry_flags = IW_RETRY_LIMIT | IW_RETRY_MAX;

	range->min_retry = TX_RETRY_MIN;
	range->max_retry = TX_RETRY_MAX;

	/*
	 * Set the qual, level and noise range values
	 */
	range->max_qual.qual = 100;
	range->max_qual.level = 0;
	range->max_qual.noise = 0;
	range->max_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;

	range->avg_qual.qual = 70;
	/* TODO: Find real 'good' to 'bad' threshold value for RSSI */
	range->avg_qual.level = 0;
	range->avg_qual.noise = 0;
	range->avg_qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;

	range->sensitivity = 0;

	/*
	 * Setup the supported power level ranges
	 */
	memset(range->txpower, 0, sizeof(range->txpower));
	range->txpower[0] = 5;
	range->txpower[1] = 7;
	range->txpower[2] = 9;
	range->txpower[3] = 11;
	range->txpower[4] = 13;
	range->txpower[5] = 15;
	range->txpower[6] = 17;
	range->txpower[7] = 19;

	range->num_txpower = 8;
	range->txpower_capa = IW_TXPOW_DBM;
	range->txpower_capa |= IW_TXPOW_RANGE;

	range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
				IW_EVENT_CAPA_MASK(SIOCGIWAP) |
				IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
	range->event_capa[1] = IW_EVENT_CAPA_K_1;

718
	if (priv->fwcapinfo & FW_CAPINFO_WPA) {
719 720 721 722 723 724
		range->enc_capa =   IW_ENC_CAPA_WPA
		                  | IW_ENC_CAPA_WPA2
		                  | IW_ENC_CAPA_CIPHER_TKIP
		                  | IW_ENC_CAPA_CIPHER_CCMP;
	}

725 726
out:
	lbs_deb_leave(LBS_DEB_WEXT);
727 728 729
	return 0;
}

730
static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
731 732
			  struct iw_param *vwrq, char *extra)
{
733
	struct lbs_private *priv = dev->priv;
734

735
	lbs_deb_enter(LBS_DEB_WEXT);
736

737 738 739 740 741 742 743
	if (!priv->ps_supported) {
		if (vwrq->disabled)
			return 0;
		else
			return -EINVAL;
	}

744 745 746 747 748
	/* PS is currently supported only in Infrastructure mode
	 * Remove this check if it is to be supported in IBSS mode also
	 */

	if (vwrq->disabled) {
749 750
		priv->psmode = LBS802_11POWERMODECAM;
		if (priv->psstate != PS_STATE_FULL_POWER) {
751
			lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
752 753 754 755 756 757
		}

		return 0;
	}

	if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
758 759
		lbs_deb_wext(
		       "setting power timeout is not supported\n");
760 761
		return -EINVAL;
	} else if ((vwrq->flags & IW_POWER_TYPE) == IW_POWER_PERIOD) {
762
		lbs_deb_wext("setting power period not supported\n");
763 764 765
		return -EINVAL;
	}

766
	if (priv->psmode != LBS802_11POWERMODECAM) {
767 768 769
		return 0;
	}

770
	priv->psmode = LBS802_11POWERMODEMAX_PSP;
771

772
	if (priv->connect_status == LBS_CONNECTED) {
773
		lbs_ps_sleep(priv, CMD_OPTION_WAITFORRSP);
774 775
	}

776
	lbs_deb_leave(LBS_DEB_WEXT);
777 778 779
	return 0;
}

780
static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
781 782
			  struct iw_param *vwrq, char *extra)
{
783
	struct lbs_private *priv = dev->priv;
784

785
	lbs_deb_enter(LBS_DEB_WEXT);
786 787

	vwrq->value = 0;
788 789 790
	vwrq->flags = 0;
	vwrq->disabled = priv->psmode == LBS802_11POWERMODECAM
		|| priv->connect_status == LBS_DISCONNECTED;
791

792
	lbs_deb_leave(LBS_DEB_WEXT);
793 794 795
	return 0;
}

796
static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
797 798 799 800 801 802 803 804 805
{
	enum {
		POOR = 30,
		FAIR = 60,
		GOOD = 80,
		VERY_GOOD = 90,
		EXCELLENT = 95,
		PERFECT = 100
	};
806
	struct lbs_private *priv = dev->priv;
807 808 809 810 811 812
	u32 rssi_qual;
	u32 tx_qual;
	u32 quality = 0;
	int stats_valid = 0;
	u8 rssi;
	u32 tx_retries;
813
	struct cmd_ds_802_11_get_log log;
814

815
	lbs_deb_enter(LBS_DEB_WEXT);
816

817
	priv->wstats.status = priv->mode;
818 819

	/* If we're not associated, all quality values are meaningless */
820 821
	if ((priv->connect_status != LBS_CONNECTED) &&
	    (priv->mesh_connect_status != LBS_CONNECTED))
822 823 824 825
		goto out;

	/* Quality by RSSI */
	priv->wstats.qual.level =
826 827
	    CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
	     priv->NF[TYPE_BEACON][TYPE_NOAVG]);
828

829
	if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
830 831 832
		priv->wstats.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
	} else {
		priv->wstats.qual.noise =
833
		    CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
834 835
	}

836 837
	lbs_deb_wext("signal level %#x\n", priv->wstats.qual.level);
	lbs_deb_wext("noise %#x\n", priv->wstats.qual.noise);
838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856

	rssi = priv->wstats.qual.level - priv->wstats.qual.noise;
	if (rssi < 15)
		rssi_qual = rssi * POOR / 10;
	else if (rssi < 20)
		rssi_qual = (rssi - 15) * (FAIR - POOR) / 5 + POOR;
	else if (rssi < 30)
		rssi_qual = (rssi - 20) * (GOOD - FAIR) / 5 + FAIR;
	else if (rssi < 40)
		rssi_qual = (rssi - 30) * (VERY_GOOD - GOOD) /
		    10 + GOOD;
	else
		rssi_qual = (rssi - 40) * (PERFECT - VERY_GOOD) /
		    10 + VERY_GOOD;
	quality = rssi_qual;

	/* Quality by TX errors */
	priv->wstats.discard.retries = priv->stats.tx_errors;

857 858 859 860 861
	memset(&log, 0, sizeof(log));
	log.hdr.size = cpu_to_le16(sizeof(log));
	lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);

	tx_retries = le32_to_cpu(log.retry);
862 863 864 865 866 867 868 869 870 871 872 873 874 875 876

	if (tx_retries > 75)
		tx_qual = (90 - tx_retries) * POOR / 15;
	else if (tx_retries > 70)
		tx_qual = (75 - tx_retries) * (FAIR - POOR) / 5 + POOR;
	else if (tx_retries > 65)
		tx_qual = (70 - tx_retries) * (GOOD - FAIR) / 5 + FAIR;
	else if (tx_retries > 50)
		tx_qual = (65 - tx_retries) * (VERY_GOOD - GOOD) /
		    15 + GOOD;
	else
		tx_qual = (50 - tx_retries) *
		    (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
	quality = min(quality, tx_qual);

877
	priv->wstats.discard.code = le32_to_cpu(log.wepundecryptable);
878
	priv->wstats.discard.retries = tx_retries;
879
	priv->wstats.discard.misc = le32_to_cpu(log.ackfailure);
880 881

	/* Calculate quality */
882
	priv->wstats.qual.qual = min_t(u8, quality, 100);
883 884 885 886
	priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
	stats_valid = 1;

	/* update stats asynchronously for future calls */
887
	lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
888 889 890 891 892 893 894 895 896 897 898 899 900
					0, 0, NULL);
out:
	if (!stats_valid) {
		priv->wstats.miss.beacon = 0;
		priv->wstats.discard.retries = 0;
		priv->wstats.qual.qual = 0;
		priv->wstats.qual.level = 0;
		priv->wstats.qual.noise = 0;
		priv->wstats.qual.updated = IW_QUAL_ALL_UPDATED;
		priv->wstats.qual.updated |= IW_QUAL_NOISE_INVALID |
		    IW_QUAL_QUAL_INVALID | IW_QUAL_LEVEL_INVALID;
	}

901
	lbs_deb_leave(LBS_DEB_WEXT);
902 903 904 905 906
	return &priv->wstats;


}

907
static int lbs_set_freq(struct net_device *dev, struct iw_request_info *info,
908 909
		  struct iw_freq *fwrq, char *extra)
{
910
	int ret = -EINVAL;
911
	struct lbs_private *priv = dev->priv;
912
	struct chan_freq_power *cfp;
913
	struct assoc_request * assoc_req;
914

915
	lbs_deb_enter(LBS_DEB_WEXT);
916

917 918
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
919 920 921 922
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}
923

924 925
	/* If setting by frequency, convert to a channel */
	if (fwrq->e == 1) {
926 927
		long f = fwrq->m / 100000;

928
		cfp = find_cfp_by_band_and_freq(priv, 0, f);
929
		if (!cfp) {
930
			lbs_deb_wext("invalid freq %ld\n", f);
931
			goto out;
932 933 934
		}

		fwrq->e = 0;
935
		fwrq->m = (int) cfp->channel;
936 937
	}

938
	/* Setting by channel number */
939
	if (fwrq->m > 1000 || fwrq->e > 0) {
940 941
		goto out;
	}
942

943
	cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
944 945
	if (!cfp) {
		goto out;
946 947
	}

948 949 950
	assoc_req->channel = fwrq->m;
	ret = 0;

951
out:
952 953
	if (ret == 0) {
		set_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags);
954
		lbs_postpone_association_work(priv);
955
	} else {
956
		lbs_cancel_association_work(priv);
957
	}
958
	mutex_unlock(&priv->lock);
959 960 961

	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
962 963
}

964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004
static int lbs_mesh_set_freq(struct net_device *dev,
			     struct iw_request_info *info,
			     struct iw_freq *fwrq, char *extra)
{
	struct lbs_private *priv = dev->priv;
	struct chan_freq_power *cfp;
	int ret = -EINVAL;

	lbs_deb_enter(LBS_DEB_WEXT);

	/* If setting by frequency, convert to a channel */
	if (fwrq->e == 1) {
		long f = fwrq->m / 100000;

		cfp = find_cfp_by_band_and_freq(priv, 0, f);
		if (!cfp) {
			lbs_deb_wext("invalid freq %ld\n", f);
			goto out;
		}

		fwrq->e = 0;
		fwrq->m = (int) cfp->channel;
	}

	/* Setting by channel number */
	if (fwrq->m > 1000 || fwrq->e > 0) {
		goto out;
	}

	cfp = lbs_find_cfp_by_band_and_channel(priv, 0, fwrq->m);
	if (!cfp) {
		goto out;
	}

	if (fwrq->m != priv->curbssparams.channel) {
		lbs_deb_wext("mesh channel change forces eth disconnect\n");
		if (priv->mode == IW_MODE_INFRA)
			lbs_send_deauthentication(priv);
		else if (priv->mode == IW_MODE_ADHOC)
			lbs_stop_adhoc_network(priv);
	}
1005
	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, fwrq->m);
1006
	lbs_update_channel(priv);
1007 1008 1009 1010 1011 1012 1013
	ret = 0;

out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
}

1014
static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
1015 1016
		  struct iw_param *vwrq, char *extra)
{
1017
	struct lbs_private *priv = dev->priv;
1018
	u8 new_rate = 0;
1019 1020
	int ret = -EINVAL;
	u8 rates[MAX_RATES + 1];
1021

1022 1023
	lbs_deb_enter(LBS_DEB_WEXT);
	lbs_deb_wext("vwrq->value %d\n", vwrq->value);
1024 1025 1026 1027
	lbs_deb_wext("vwrq->fixed %d\n", vwrq->fixed);

	if (vwrq->fixed && vwrq->value == -1)
		goto out;
1028

1029
	/* Auto rate? */
1030 1031 1032
	priv->enablehwauto = !vwrq->fixed;

	if (vwrq->value == -1)
1033
		priv->cur_rate = 0;
1034
	else {
1035 1036
		if (vwrq->value % 100000)
			goto out;
1037

1038 1039 1040
		new_rate = vwrq->value / 500000;
		priv->cur_rate = new_rate;
		/* the rest is only needed for lbs_set_data_rate() */
1041
		memset(rates, 0, sizeof(rates));
1042
		copy_active_data_rates(priv, rates);
1043 1044 1045 1046
		if (!memchr(rates, new_rate, sizeof(rates))) {
			lbs_pr_alert("fixed data rate 0x%X out of range\n",
				new_rate);
			goto out;
1047 1048 1049
		}
	}

1050 1051 1052 1053 1054 1055
	/* Try the newer command first (Firmware Spec 5.1 and above) */
	ret = lbs_cmd_802_11_rate_adapt_rateset(priv, CMD_ACT_SET);

	/* Fallback to older version */
	if (ret)
		ret = lbs_set_data_rate(priv, new_rate);
1056

1057
out:
1058
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1059 1060 1061
	return ret;
}

1062
static int lbs_get_rate(struct net_device *dev, struct iw_request_info *info,
1063 1064
		  struct iw_param *vwrq, char *extra)
{
1065
	struct lbs_private *priv = dev->priv;
1066

1067
	lbs_deb_enter(LBS_DEB_WEXT);
1068

1069 1070
	if (priv->connect_status == LBS_CONNECTED) {
		vwrq->value = priv->cur_rate * 500000;
1071

1072
		if (priv->enablehwauto)
1073 1074 1075 1076
			vwrq->fixed = 0;
		else
			vwrq->fixed = 1;

1077
	} else {
1078 1079
		vwrq->fixed = 0;
		vwrq->value = 0;
1080 1081
	}

1082
	lbs_deb_leave(LBS_DEB_WEXT);
1083 1084 1085
	return 0;
}

1086
static int lbs_set_mode(struct net_device *dev,
1087 1088 1089
		  struct iw_request_info *info, u32 * uwrq, char *extra)
{
	int ret = 0;
1090
	struct lbs_private *priv = dev->priv;
1091 1092
	struct assoc_request * assoc_req;

1093
	lbs_deb_enter(LBS_DEB_WEXT);
1094

1095 1096 1097
	if (   (*uwrq != IW_MODE_ADHOC)
	    && (*uwrq != IW_MODE_INFRA)
	    && (*uwrq != IW_MODE_AUTO)) {
1098
		lbs_deb_wext("Invalid mode: 0x%x\n", *uwrq);
1099 1100
		ret = -EINVAL;
		goto out;
1101 1102
	}

1103 1104
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1105 1106
	if (!assoc_req) {
		ret = -ENOMEM;
1107
		lbs_cancel_association_work(priv);
1108
	} else {
1109
		assoc_req->mode = *uwrq;
1110
		set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
1111
		lbs_postpone_association_work(priv);
1112
		lbs_deb_wext("Switching to mode: 0x%x\n", *uwrq);
1113
	}
1114
	mutex_unlock(&priv->lock);
1115

1116
out:
1117
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130
	return ret;
}


/**
 *  @brief Get Encryption key
 *
 *  @param dev                  A pointer to net_device structure
 *  @param info			A pointer to iw_request_info structure
 *  @param vwrq 		A pointer to iw_param structure
 *  @param extra		A pointer to extra data buf
 *  @return 	   		0 --success, otherwise fail
 */
1131
static int lbs_get_encode(struct net_device *dev,
1132 1133 1134
			   struct iw_request_info *info,
			   struct iw_point *dwrq, u8 * extra)
{
1135
	struct lbs_private *priv = dev->priv;
1136 1137
	int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;

1138
	lbs_deb_enter(LBS_DEB_WEXT);
1139

1140
	lbs_deb_wext("flags 0x%x, index %d, length %d, wep_tx_keyidx %d\n",
1141
	       dwrq->flags, index, dwrq->length, priv->wep_tx_keyidx);
1142 1143 1144 1145

	dwrq->flags = 0;

	/* Authentication method */
1146
	switch (priv->secinfo.auth_mode) {
1147
	case IW_AUTH_ALG_OPEN_SYSTEM:
1148 1149 1150
		dwrq->flags = IW_ENCODE_OPEN;
		break;

1151 1152
	case IW_AUTH_ALG_SHARED_KEY:
	case IW_AUTH_ALG_LEAP:
1153 1154 1155 1156 1157 1158 1159 1160 1161
		dwrq->flags = IW_ENCODE_RESTRICTED;
		break;
	default:
		dwrq->flags = IW_ENCODE_DISABLED | IW_ENCODE_OPEN;
		break;
	}

	memset(extra, 0, 16);

1162
	mutex_lock(&priv->lock);
1163 1164 1165

	/* Default to returning current transmit key */
	if (index < 0)
1166
		index = priv->wep_tx_keyidx;
1167

1168 1169 1170 1171
	if ((priv->wep_keys[index].len) && priv->secinfo.wep_enabled) {
		memcpy(extra, priv->wep_keys[index].key,
		       priv->wep_keys[index].len);
		dwrq->length = priv->wep_keys[index].len;
1172 1173 1174 1175

		dwrq->flags |= (index + 1);
		/* Return WEP enabled */
		dwrq->flags &= ~IW_ENCODE_DISABLED;
1176 1177
	} else if ((priv->secinfo.WPAenabled)
		   || (priv->secinfo.WPA2enabled)) {
1178 1179
		/* return WPA enabled */
		dwrq->flags &= ~IW_ENCODE_DISABLED;
1180
		dwrq->flags |= IW_ENCODE_NOKEY;
1181 1182 1183 1184
	} else {
		dwrq->flags |= IW_ENCODE_DISABLED;
	}

1185
	mutex_unlock(&priv->lock);
1186

1187
	lbs_deb_wext("key: %02x:%02x:%02x:%02x:%02x:%02x, keylen %d\n",
1188 1189 1190
	       extra[0], extra[1], extra[2],
	       extra[3], extra[4], extra[5], dwrq->length);

1191
	lbs_deb_wext("return flags 0x%x\n", dwrq->flags);
1192

1193
	lbs_deb_leave(LBS_DEB_WEXT);
1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206
	return 0;
}

/**
 *  @brief Set Encryption key (internal)
 *
 *  @param priv			A pointer to private card structure
 *  @param key_material		A pointer to key material
 *  @param key_length		length of key material
 *  @param index		key index to set
 *  @param set_tx_key		Force set TX key (1 = yes, 0 = no)
 *  @return 	   		0 --success, otherwise fail
 */
1207
static int lbs_set_wep_key(struct assoc_request *assoc_req,
1208 1209 1210 1211 1212
			    const char *key_material,
			    u16 key_length,
			    u16 index,
			    int set_tx_key)
{
1213
	int ret = 0;
1214
	struct enc_key *pkey;
1215

1216
	lbs_deb_enter(LBS_DEB_WEXT);
1217 1218 1219

	/* Paranoid validation of key index */
	if (index > 3) {
1220 1221
		ret = -EINVAL;
		goto out;
1222 1223 1224 1225
	}

	/* validate max key length */
	if (key_length > KEY_LEN_WEP_104) {
1226 1227
		ret = -EINVAL;
		goto out;
1228 1229 1230 1231 1232
	}

	pkey = &assoc_req->wep_keys[index];

	if (key_length > 0) {
1233
		memset(pkey, 0, sizeof(struct enc_key));
1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244
		pkey->type = KEY_TYPE_ID_WEP;

		/* Standardize the key length */
		pkey->len = (key_length > KEY_LEN_WEP_40) ?
		                KEY_LEN_WEP_104 : KEY_LEN_WEP_40;
		memcpy(pkey->key, key_material, key_length);
	}

	if (set_tx_key) {
		/* Ensure the chosen key is valid */
		if (!pkey->len) {
1245 1246 1247
			lbs_deb_wext("key not set, so cannot enable it\n");
			ret = -EINVAL;
			goto out;
1248 1249 1250 1251
		}
		assoc_req->wep_tx_keyidx = index;
	}

1252
	assoc_req->secinfo.wep_enabled = 1;
1253

1254 1255 1256
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280
}

static int validate_key_index(u16 def_index, u16 raw_index,
			      u16 *out_index, u16 *is_default)
{
	if (!out_index || !is_default)
		return -EINVAL;

	/* Verify index if present, otherwise use default TX key index */
	if (raw_index > 0) {
		if (raw_index > 4)
			return -EINVAL;
		*out_index = raw_index - 1;
	} else {
		*out_index = def_index;
		*is_default = 1;
	}
	return 0;
}

static void disable_wep(struct assoc_request *assoc_req)
{
	int i;

1281 1282
	lbs_deb_enter(LBS_DEB_WEXT);

1283
	/* Set Open System auth mode */
1284
	assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1285 1286

	/* Clear WEP keys and mark WEP as disabled */
1287
	assoc_req->secinfo.wep_enabled = 0;
1288 1289 1290 1291 1292
	for (i = 0; i < 4; i++)
		assoc_req->wep_keys[i].len = 0;

	set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
	set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
1293 1294 1295 1296 1297 1298 1299 1300

	lbs_deb_leave(LBS_DEB_WEXT);
}

static void disable_wpa(struct assoc_request *assoc_req)
{
	lbs_deb_enter(LBS_DEB_WEXT);

1301
	memset(&assoc_req->wpa_mcast_key, 0, sizeof (struct enc_key));
1302 1303 1304
	assoc_req->wpa_mcast_key.flags = KEY_INFO_WPA_MCAST;
	set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);

1305
	memset(&assoc_req->wpa_unicast_key, 0, sizeof (struct enc_key));
1306 1307 1308 1309 1310 1311 1312 1313
	assoc_req->wpa_unicast_key.flags = KEY_INFO_WPA_UNICAST;
	set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);

	assoc_req->secinfo.WPAenabled = 0;
	assoc_req->secinfo.WPA2enabled = 0;
	set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);

	lbs_deb_leave(LBS_DEB_WEXT);
1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324
}

/**
 *  @brief Set Encryption key
 *
 *  @param dev                  A pointer to net_device structure
 *  @param info			A pointer to iw_request_info structure
 *  @param vwrq 		A pointer to iw_param structure
 *  @param extra		A pointer to extra data buf
 *  @return 	   		0 --success, otherwise fail
 */
1325
static int lbs_set_encode(struct net_device *dev,
1326 1327 1328 1329
		    struct iw_request_info *info,
		    struct iw_point *dwrq, char *extra)
{
	int ret = 0;
1330
	struct lbs_private *priv = dev->priv;
1331 1332 1333
	struct assoc_request * assoc_req;
	u16 is_default = 0, index = 0, set_tx_key = 0;

1334
	lbs_deb_enter(LBS_DEB_WEXT);
1335

1336 1337
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1338 1339 1340 1341 1342 1343 1344
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if (dwrq->flags & IW_ENCODE_DISABLED) {
		disable_wep (assoc_req);
1345
		disable_wpa (assoc_req);
1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359
		goto out;
	}

	ret = validate_key_index(assoc_req->wep_tx_keyidx,
	                         (dwrq->flags & IW_ENCODE_INDEX),
	                         &index, &is_default);
	if (ret) {
		ret = -EINVAL;
		goto out;
	}

	/* If WEP isn't enabled, or if there is no key data but a valid
	 * index, set the TX key.
	 */
1360
	if (!assoc_req->secinfo.wep_enabled || (dwrq->length == 0 && !is_default))
1361 1362
		set_tx_key = 1;

1363
	ret = lbs_set_wep_key(assoc_req, extra, dwrq->length, index, set_tx_key);
1364 1365 1366 1367 1368 1369 1370 1371 1372
	if (ret)
		goto out;

	if (dwrq->length)
		set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
	if (set_tx_key)
		set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);

	if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1373
		assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1374
	} else if (dwrq->flags & IW_ENCODE_OPEN) {
1375
		assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1376 1377 1378 1379 1380
	}

out:
	if (ret == 0) {
		set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1381
		lbs_postpone_association_work(priv);
1382
	} else {
1383
		lbs_cancel_association_work(priv);
1384
	}
1385
	mutex_unlock(&priv->lock);
1386

1387
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399
	return ret;
}

/**
 *  @brief Get Extended Encryption key (WPA/802.1x and WEP)
 *
 *  @param dev                  A pointer to net_device structure
 *  @param info			A pointer to iw_request_info structure
 *  @param vwrq 		A pointer to iw_param structure
 *  @param extra		A pointer to extra data buf
 *  @return 	   		0 on success, otherwise failure
 */
1400
static int lbs_get_encodeext(struct net_device *dev,
1401 1402 1403 1404 1405
			      struct iw_request_info *info,
			      struct iw_point *dwrq,
			      char *extra)
{
	int ret = -EINVAL;
1406
	struct lbs_private *priv = dev->priv;
1407 1408 1409
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int index, max_key_len;

1410
	lbs_deb_enter(LBS_DEB_WEXT);
1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421

	max_key_len = dwrq->length - sizeof(*ext);
	if (max_key_len < 0)
		goto out;

	index = dwrq->flags & IW_ENCODE_INDEX;
	if (index) {
		if (index < 1 || index > 4)
			goto out;
		index--;
	} else {
1422
		index = priv->wep_tx_keyidx;
1423 1424
	}

R
Roel Kluin 已提交
1425
	if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
1426
	    ext->alg != IW_ENCODE_ALG_WEP) {
1427
		if (index != 0 || priv->mode != IW_MODE_INFRA)
1428 1429 1430 1431 1432 1433
			goto out;
	}

	dwrq->flags = index + 1;
	memset(ext, 0, sizeof(*ext));

1434 1435 1436
	if (   !priv->secinfo.wep_enabled
	    && !priv->secinfo.WPAenabled
	    && !priv->secinfo.WPA2enabled) {
1437 1438 1439 1440 1441 1442
		ext->alg = IW_ENCODE_ALG_NONE;
		ext->key_len = 0;
		dwrq->flags |= IW_ENCODE_DISABLED;
	} else {
		u8 *key = NULL;

1443 1444 1445
		if (   priv->secinfo.wep_enabled
		    && !priv->secinfo.WPAenabled
		    && !priv->secinfo.WPA2enabled) {
1446
			/* WEP */
1447
			ext->alg = IW_ENCODE_ALG_WEP;
1448 1449 1450 1451 1452
			ext->key_len = priv->wep_keys[index].len;
			key = &priv->wep_keys[index].key[0];
		} else if (   !priv->secinfo.wep_enabled
		           && (priv->secinfo.WPAenabled ||
		               priv->secinfo.WPA2enabled)) {
1453
			/* WPA */
1454
			struct enc_key * pkey = NULL;
1455

1456 1457 1458 1459 1460 1461
			if (   priv->wpa_mcast_key.len
			    && (priv->wpa_mcast_key.flags & KEY_INFO_WPA_ENABLED))
				pkey = &priv->wpa_mcast_key;
			else if (   priv->wpa_unicast_key.len
			         && (priv->wpa_unicast_key.flags & KEY_INFO_WPA_ENABLED))
				pkey = &priv->wpa_unicast_key;
1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474

			if (pkey) {
				if (pkey->type == KEY_TYPE_ID_AES) {
					ext->alg = IW_ENCODE_ALG_CCMP;
				} else {
					ext->alg = IW_ENCODE_ALG_TKIP;
				}
				ext->key_len = pkey->len;
				key = &pkey->key[0];
			} else {
				ext->alg = IW_ENCODE_ALG_TKIP;
				ext->key_len = 0;
			}
1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492
		} else {
			goto out;
		}

		if (ext->key_len > max_key_len) {
			ret = -E2BIG;
			goto out;
		}

		if (ext->key_len)
			memcpy(ext->key, key, ext->key_len);
		else
			dwrq->flags |= IW_ENCODE_NOKEY;
		dwrq->flags |= IW_ENCODE_ENABLED;
	}
	ret = 0;

out:
1493
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505
	return ret;
}

/**
 *  @brief Set Encryption key Extended (WPA/802.1x and WEP)
 *
 *  @param dev                  A pointer to net_device structure
 *  @param info			A pointer to iw_request_info structure
 *  @param vwrq 		A pointer to iw_param structure
 *  @param extra		A pointer to extra data buf
 *  @return 	   		0 --success, otherwise fail
 */
1506
static int lbs_set_encodeext(struct net_device *dev,
1507 1508 1509 1510 1511
			      struct iw_request_info *info,
			      struct iw_point *dwrq,
			      char *extra)
{
	int ret = 0;
1512
	struct lbs_private *priv = dev->priv;
1513 1514 1515 1516
	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
	int alg = ext->alg;
	struct assoc_request * assoc_req;

1517
	lbs_deb_enter(LBS_DEB_WEXT);
1518

1519 1520
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1521 1522 1523 1524 1525 1526 1527
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if ((alg == IW_ENCODE_ALG_NONE) || (dwrq->flags & IW_ENCODE_DISABLED)) {
		disable_wep (assoc_req);
1528
		disable_wpa (assoc_req);
1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540
	} else if (alg == IW_ENCODE_ALG_WEP) {
		u16 is_default = 0, index, set_tx_key = 0;

		ret = validate_key_index(assoc_req->wep_tx_keyidx,
		                         (dwrq->flags & IW_ENCODE_INDEX),
		                         &index, &is_default);
		if (ret)
			goto out;

		/* If WEP isn't enabled, or if there is no key data but a valid
		 * index, or if the set-TX-key flag was passed, set the TX key.
		 */
1541
		if (   !assoc_req->secinfo.wep_enabled
1542 1543 1544 1545 1546
		    || (dwrq->length == 0 && !is_default)
		    || (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY))
			set_tx_key = 1;

		/* Copy key to driver */
1547
		ret = lbs_set_wep_key(assoc_req, ext->key, ext->key_len, index,
1548 1549 1550 1551 1552
					set_tx_key);
		if (ret)
			goto out;

		if (dwrq->flags & IW_ENCODE_RESTRICTED) {
1553
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1554
		} else if (dwrq->flags & IW_ENCODE_OPEN) {
1555
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1556 1557 1558 1559 1560 1561 1562 1563 1564
		}

		/* Mark the various WEP bits as modified */
		set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
		if (dwrq->length)
			set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
		if (set_tx_key)
			set_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags);
	} else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
1565
		struct enc_key * pkey;
1566 1567 1568 1569 1570 1571

		/* validate key length */
		if (((alg == IW_ENCODE_ALG_TKIP)
			&& (ext->key_len != KEY_LEN_WPA_TKIP))
		    || ((alg == IW_ENCODE_ALG_CCMP)
		        && (ext->key_len != KEY_LEN_WPA_AES))) {
1572
				lbs_deb_wext("invalid size %d for key of alg "
1573
				       "type %d\n",
1574 1575 1576 1577 1578 1579
				       ext->key_len,
				       alg);
				ret = -EINVAL;
				goto out;
		}

1580
		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
1581
			pkey = &assoc_req->wpa_mcast_key;
1582 1583
			set_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
		} else {
1584
			pkey = &assoc_req->wpa_unicast_key;
1585 1586
			set_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
		}
1587

1588
		memset(pkey, 0, sizeof (struct enc_key));
1589 1590
		memcpy(pkey->key, ext->key, ext->key_len);
		pkey->len = ext->key_len;
1591 1592
		if (pkey->len)
			pkey->flags |= KEY_INFO_WPA_ENABLED;
1593

1594
		/* Do this after zeroing key structure */
1595 1596 1597 1598 1599 1600
		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
			pkey->flags |= KEY_INFO_WPA_MCAST;
		} else {
			pkey->flags |= KEY_INFO_WPA_UNICAST;
		}

1601
		if (alg == IW_ENCODE_ALG_TKIP) {
1602
			pkey->type = KEY_TYPE_ID_TKIP;
1603
		} else if (alg == IW_ENCODE_ALG_CCMP) {
1604
			pkey->type = KEY_TYPE_ID_AES;
1605
		}
1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619

		/* If WPA isn't enabled yet, do that now */
		if (   assoc_req->secinfo.WPAenabled == 0
		    && assoc_req->secinfo.WPA2enabled == 0) {
			assoc_req->secinfo.WPAenabled = 1;
			assoc_req->secinfo.WPA2enabled = 1;
			set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
		}

		disable_wep (assoc_req);
	}

out:
	if (ret == 0) {
1620
		lbs_postpone_association_work(priv);
1621
	} else {
1622
		lbs_cancel_association_work(priv);
1623
	}
1624
	mutex_unlock(&priv->lock);
1625

1626
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1627 1628 1629 1630
	return ret;
}


1631
static int lbs_set_genie(struct net_device *dev,
1632 1633 1634 1635
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
1636
	struct lbs_private *priv = dev->priv;
1637 1638 1639
	int ret = 0;
	struct assoc_request * assoc_req;

1640
	lbs_deb_enter(LBS_DEB_WEXT);
1641

1642 1643
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	if (dwrq->length > MAX_WPA_IE_LEN ||
	    (dwrq->length && extra == NULL)) {
		ret = -EINVAL;
		goto out;
	}

	if (dwrq->length) {
		memcpy(&assoc_req->wpa_ie[0], extra, dwrq->length);
		assoc_req->wpa_ie_len = dwrq->length;
	} else {
1659
		memset(&assoc_req->wpa_ie[0], 0, sizeof(priv->wpa_ie));
1660 1661 1662 1663 1664 1665
		assoc_req->wpa_ie_len = 0;
	}

out:
	if (ret == 0) {
		set_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags);
1666
		lbs_postpone_association_work(priv);
1667
	} else {
1668
		lbs_cancel_association_work(priv);
1669
	}
1670
	mutex_unlock(&priv->lock);
1671

1672
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1673 1674 1675
	return ret;
}

1676
static int lbs_get_genie(struct net_device *dev,
1677 1678 1679 1680
			  struct iw_request_info *info,
			  struct iw_point *dwrq,
			  char *extra)
{
1681
	int ret = 0;
1682
	struct lbs_private *priv = dev->priv;
1683

1684
	lbs_deb_enter(LBS_DEB_WEXT);
1685

1686
	if (priv->wpa_ie_len == 0) {
1687
		dwrq->length = 0;
1688
		goto out;
1689 1690
	}

1691
	if (dwrq->length < priv->wpa_ie_len) {
1692 1693
		ret = -E2BIG;
		goto out;
1694 1695
	}

1696 1697
	dwrq->length = priv->wpa_ie_len;
	memcpy(extra, &priv->wpa_ie[0], priv->wpa_ie_len);
1698

1699 1700 1701
out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1702 1703 1704
}


1705
static int lbs_set_auth(struct net_device *dev,
1706 1707 1708 1709
			 struct iw_request_info *info,
			 struct iw_param *dwrq,
			 char *extra)
{
1710
	struct lbs_private *priv = dev->priv;
1711 1712 1713 1714
	struct assoc_request * assoc_req;
	int ret = 0;
	int updated = 0;

1715
	lbs_deb_enter(LBS_DEB_WEXT);
1716

1717 1718
	mutex_lock(&priv->lock);
	assoc_req = lbs_get_association_request(priv);
1719 1720 1721 1722 1723 1724 1725 1726 1727 1728
	if (!assoc_req) {
		ret = -ENOMEM;
		goto out;
	}

	switch (dwrq->flags & IW_AUTH_INDEX) {
	case IW_AUTH_TKIP_COUNTERMEASURES:
	case IW_AUTH_CIPHER_PAIRWISE:
	case IW_AUTH_CIPHER_GROUP:
	case IW_AUTH_KEY_MGMT:
1729
	case IW_AUTH_DROP_UNENCRYPTED:
1730 1731 1732 1733 1734 1735 1736 1737 1738
		/*
		 * libertas does not use these parameters
		 */
		break;

	case IW_AUTH_WPA_VERSION:
		if (dwrq->value & IW_AUTH_WPA_VERSION_DISABLED) {
			assoc_req->secinfo.WPAenabled = 0;
			assoc_req->secinfo.WPA2enabled = 0;
1739
			disable_wpa (assoc_req);
1740 1741 1742
		}
		if (dwrq->value & IW_AUTH_WPA_VERSION_WPA) {
			assoc_req->secinfo.WPAenabled = 1;
1743
			assoc_req->secinfo.wep_enabled = 0;
1744
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1745 1746 1747
		}
		if (dwrq->value & IW_AUTH_WPA_VERSION_WPA2) {
			assoc_req->secinfo.WPA2enabled = 1;
1748
			assoc_req->secinfo.wep_enabled = 0;
1749
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1750 1751 1752 1753 1754 1755
		}
		updated = 1;
		break;

	case IW_AUTH_80211_AUTH_ALG:
		if (dwrq->value & IW_AUTH_ALG_SHARED_KEY) {
1756
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_SHARED_KEY;
1757
		} else if (dwrq->value & IW_AUTH_ALG_OPEN_SYSTEM) {
1758
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1759
		} else if (dwrq->value & IW_AUTH_ALG_LEAP) {
1760
			assoc_req->secinfo.auth_mode = IW_AUTH_ALG_LEAP;
1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772
		} else {
			ret = -EINVAL;
		}
		updated = 1;
		break;

	case IW_AUTH_WPA_ENABLED:
		if (dwrq->value) {
			if (!assoc_req->secinfo.WPAenabled &&
			    !assoc_req->secinfo.WPA2enabled) {
				assoc_req->secinfo.WPAenabled = 1;
				assoc_req->secinfo.WPA2enabled = 1;
1773
				assoc_req->secinfo.wep_enabled = 0;
1774
				assoc_req->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
1775 1776 1777 1778
			}
		} else {
			assoc_req->secinfo.WPAenabled = 0;
			assoc_req->secinfo.WPA2enabled = 0;
1779
			disable_wpa (assoc_req);
1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792
		}
		updated = 1;
		break;

	default:
		ret = -EOPNOTSUPP;
		break;
	}

out:
	if (ret == 0) {
		if (updated)
			set_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags);
1793
		lbs_postpone_association_work(priv);
1794
	} else if (ret != -EOPNOTSUPP) {
1795
		lbs_cancel_association_work(priv);
1796
	}
1797
	mutex_unlock(&priv->lock);
1798

1799
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1800 1801 1802
	return ret;
}

1803
static int lbs_get_auth(struct net_device *dev,
1804 1805 1806 1807
			 struct iw_request_info *info,
			 struct iw_param *dwrq,
			 char *extra)
{
1808
	int ret = 0;
1809
	struct lbs_private *priv = dev->priv;
1810

1811
	lbs_deb_enter(LBS_DEB_WEXT);
1812 1813 1814 1815

	switch (dwrq->flags & IW_AUTH_INDEX) {
	case IW_AUTH_WPA_VERSION:
		dwrq->value = 0;
1816
		if (priv->secinfo.WPAenabled)
1817
			dwrq->value |= IW_AUTH_WPA_VERSION_WPA;
1818
		if (priv->secinfo.WPA2enabled)
1819 1820 1821 1822 1823 1824
			dwrq->value |= IW_AUTH_WPA_VERSION_WPA2;
		if (!dwrq->value)
			dwrq->value |= IW_AUTH_WPA_VERSION_DISABLED;
		break;

	case IW_AUTH_80211_AUTH_ALG:
1825
		dwrq->value = priv->secinfo.auth_mode;
1826 1827 1828
		break;

	case IW_AUTH_WPA_ENABLED:
1829
		if (priv->secinfo.WPAenabled && priv->secinfo.WPA2enabled)
1830 1831 1832 1833
			dwrq->value = 1;
		break;

	default:
1834
		ret = -EOPNOTSUPP;
1835 1836
	}

1837 1838
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
1839 1840 1841
}


1842
static int lbs_set_txpow(struct net_device *dev, struct iw_request_info *info,
1843 1844 1845
		   struct iw_param *vwrq, char *extra)
{
	int ret = 0;
1846
	struct lbs_private *priv = dev->priv;
1847 1848 1849

	u16 dbm;

1850
	lbs_deb_enter(LBS_DEB_WEXT);
1851 1852

	if (vwrq->disabled) {
1853
		lbs_radio_ioctl(priv, RADIO_OFF);
1854 1855 1856
		return 0;
	}

1857
	priv->preamble = CMD_TYPE_AUTO_PREAMBLE;
1858

1859
	lbs_radio_ioctl(priv, RADIO_ON);
1860

1861 1862
	/* Userspace check in iwrange if it should use dBm or mW,
	 * therefore this should never happen... Jean II */
1863
	if ((vwrq->flags & IW_TXPOW_TYPE) == IW_TXPOW_MWATT) {
1864
		return -EOPNOTSUPP;
1865 1866 1867 1868 1869 1870 1871 1872
	} else
		dbm = (u16) vwrq->value;

	/* auto tx power control */

	if (vwrq->fixed == 0)
		dbm = 0xffff;

1873
	lbs_deb_wext("txpower set %d dbm\n", dbm);
1874

1875
	ret = lbs_prepare_and_send_command(priv,
1876 1877 1878
				    CMD_802_11_RF_TX_POWER,
				    CMD_ACT_TX_POWER_OPT_SET_LOW,
				    CMD_OPTION_WAITFORRSP, 0, (void *)&dbm);
1879

1880
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1881 1882 1883
	return ret;
}

1884
static int lbs_get_essid(struct net_device *dev, struct iw_request_info *info,
1885 1886
		   struct iw_point *dwrq, char *extra)
{
1887
	struct lbs_private *priv = dev->priv;
1888

1889 1890
	lbs_deb_enter(LBS_DEB_WEXT);

1891 1892 1893 1894 1895 1896 1897 1898
	/*
	 * Note : if dwrq->flags != 0, we should get the relevant SSID from
	 * the SSID list...
	 */

	/*
	 * Get the current SSID
	 */
1899 1900 1901 1902
	if (priv->connect_status == LBS_CONNECTED) {
		memcpy(extra, priv->curbssparams.ssid,
		       priv->curbssparams.ssid_len);
		extra[priv->curbssparams.ssid_len] = '\0';
1903 1904
	} else {
		memset(extra, 0, 32);
1905
		extra[priv->curbssparams.ssid_len] = '\0';
1906 1907 1908 1909 1910
	}
	/*
	 * If none, we may want to get the one that was set
	 */

1911
	dwrq->length = priv->curbssparams.ssid_len;
1912 1913 1914

	dwrq->flags = 1;	/* active */

1915
	lbs_deb_leave(LBS_DEB_WEXT);
1916 1917 1918
	return 0;
}

1919
static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
1920 1921
		   struct iw_point *dwrq, char *extra)
{
1922
	struct lbs_private *priv = dev->priv;
1923
	int ret = 0;
1924 1925
	u8 ssid[IW_ESSID_MAX_SIZE];
	u8 ssid_len = 0;
1926
	struct assoc_request * assoc_req;
1927
	int in_ssid_len = dwrq->length;
1928

1929
	lbs_deb_enter(LBS_DEB_WEXT);
1930 1931

	/* Check the size of the string */
1932
	if (in_ssid_len > IW_ESSID_MAX_SIZE) {
1933 1934 1935 1936
		ret = -E2BIG;
		goto out;
	}

1937
	memset(&ssid, 0, sizeof(ssid));
1938

1939
	if (!dwrq->flags || !in_ssid_len) {
1940 1941 1942
		/* "any" SSID requested; leave SSID blank */
	} else {
		/* Specific SSID requested */
1943 1944
		memcpy(&ssid, extra, in_ssid_len);
		ssid_len = in_ssid_len;
1945 1946
	}

1947 1948 1949 1950 1951 1952
	if (!ssid_len) {
		lbs_deb_wext("requested any SSID\n");
	} else {
		lbs_deb_wext("requested SSID '%s'\n",
		             escape_essid(ssid, ssid_len));
	}
1953 1954

out:
1955
	mutex_lock(&priv->lock);
1956 1957
	if (ret == 0) {
		/* Get or create the current association request */
1958
		assoc_req = lbs_get_association_request(priv);
1959 1960 1961 1962
		if (!assoc_req) {
			ret = -ENOMEM;
		} else {
			/* Copy the SSID to the association request */
1963 1964
			memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
			assoc_req->ssid_len = ssid_len;
1965
			set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
1966
			lbs_postpone_association_work(priv);
1967 1968 1969 1970 1971
		}
	}

	/* Cancel the association request if there was an error */
	if (ret != 0) {
1972
		lbs_cancel_association_work(priv);
1973 1974
	}

1975
	mutex_unlock(&priv->lock);
1976

1977
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
1978 1979 1980
	return ret;
}

1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
static int lbs_mesh_get_essid(struct net_device *dev,
			      struct iw_request_info *info,
			      struct iw_point *dwrq, char *extra)
{
	struct lbs_private *priv = dev->priv;

	lbs_deb_enter(LBS_DEB_WEXT);

	memcpy(extra, priv->mesh_ssid, priv->mesh_ssid_len);

	dwrq->length = priv->mesh_ssid_len;

	dwrq->flags = 1;	/* active */

	lbs_deb_leave(LBS_DEB_WEXT);
	return 0;
}

static int lbs_mesh_set_essid(struct net_device *dev,
			      struct iw_request_info *info,
			      struct iw_point *dwrq, char *extra)
{
	struct lbs_private *priv = dev->priv;
	int ret = 0;

	lbs_deb_enter(LBS_DEB_WEXT);

	/* Check the size of the string */
	if (dwrq->length > IW_ESSID_MAX_SIZE) {
		ret = -E2BIG;
		goto out;
	}

	if (!dwrq->flags || !dwrq->length) {
		ret = -EINVAL;
		goto out;
	} else {
		/* Specific SSID requested */
		memcpy(priv->mesh_ssid, extra, dwrq->length);
		priv->mesh_ssid_len = dwrq->length;
	}

2023 2024
	lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
			priv->curbssparams.channel);
2025 2026 2027 2028 2029
 out:
	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
	return ret;
}

2030 2031 2032 2033 2034 2035 2036 2037 2038
/**
 *  @brief Connect to the AP or Ad-hoc Network with specific bssid
 *
 *  @param dev          A pointer to net_device structure
 *  @param info         A pointer to iw_request_info structure
 *  @param awrq         A pointer to iw_param structure
 *  @param extra        A pointer to extra data buf
 *  @return             0 --success, otherwise fail
 */
2039
static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
2040 2041
		 struct sockaddr *awrq, char *extra)
{
2042
	struct lbs_private *priv = dev->priv;
2043 2044
	struct assoc_request * assoc_req;
	int ret = 0;
2045
	DECLARE_MAC_BUF(mac);
2046

2047
	lbs_deb_enter(LBS_DEB_WEXT);
2048 2049 2050 2051

	if (awrq->sa_family != ARPHRD_ETHER)
		return -EINVAL;

2052
	lbs_deb_wext("ASSOC: WAP: sa_data %s\n", print_mac(mac, awrq->sa_data));
2053

2054
	mutex_lock(&priv->lock);
2055 2056

	/* Get or create the current association request */
2057
	assoc_req = lbs_get_association_request(priv);
2058
	if (!assoc_req) {
2059
		lbs_cancel_association_work(priv);
2060 2061 2062 2063 2064
		ret = -ENOMEM;
	} else {
		/* Copy the BSSID to the association request */
		memcpy(&assoc_req->bssid, awrq->sa_data, ETH_ALEN);
		set_bit(ASSOC_FLAG_BSSID, &assoc_req->flags);
2065
		lbs_postpone_association_work(priv);
2066 2067
	}

2068
	mutex_unlock(&priv->lock);
2069 2070 2071 2072 2073 2074 2075

	return ret;
}

/*
 * iwconfig settable callbacks
 */
2076
static const iw_handler lbs_handler[] = {
2077
	(iw_handler) NULL,	/* SIOCSIWCOMMIT */
2078
	(iw_handler) lbs_get_name,	/* SIOCGIWNAME */
2079 2080
	(iw_handler) NULL,	/* SIOCSIWNWID */
	(iw_handler) NULL,	/* SIOCGIWNWID */
2081 2082 2083 2084
	(iw_handler) lbs_set_freq,	/* SIOCSIWFREQ */
	(iw_handler) lbs_get_freq,	/* SIOCGIWFREQ */
	(iw_handler) lbs_set_mode,	/* SIOCSIWMODE */
	(iw_handler) lbs_get_mode,	/* SIOCGIWMODE */
2085 2086 2087
	(iw_handler) NULL,	/* SIOCSIWSENS */
	(iw_handler) NULL,	/* SIOCGIWSENS */
	(iw_handler) NULL,	/* SIOCSIWRANGE */
2088
	(iw_handler) lbs_get_range,	/* SIOCGIWRANGE */
2089 2090 2091 2092 2093 2094 2095 2096
	(iw_handler) NULL,	/* SIOCSIWPRIV */
	(iw_handler) NULL,	/* SIOCGIWPRIV */
	(iw_handler) NULL,	/* SIOCSIWSTATS */
	(iw_handler) NULL,	/* SIOCGIWSTATS */
	iw_handler_set_spy,	/* SIOCSIWSPY */
	iw_handler_get_spy,	/* SIOCGIWSPY */
	iw_handler_set_thrspy,	/* SIOCSIWTHRSPY */
	iw_handler_get_thrspy,	/* SIOCGIWTHRSPY */
2097 2098
	(iw_handler) lbs_set_wap,	/* SIOCSIWAP */
	(iw_handler) lbs_get_wap,	/* SIOCGIWAP */
2099 2100
	(iw_handler) NULL,	/* SIOCSIWMLME */
	(iw_handler) NULL,	/* SIOCGIWAPLIST - deprecated */
2101 2102 2103 2104 2105 2106
	(iw_handler) lbs_set_scan,	/* SIOCSIWSCAN */
	(iw_handler) lbs_get_scan,	/* SIOCGIWSCAN */
	(iw_handler) lbs_set_essid,	/* SIOCSIWESSID */
	(iw_handler) lbs_get_essid,	/* SIOCGIWESSID */
	(iw_handler) lbs_set_nick,	/* SIOCSIWNICKN */
	(iw_handler) lbs_get_nick,	/* SIOCGIWNICKN */
2107 2108
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122
	(iw_handler) lbs_set_rate,	/* SIOCSIWRATE */
	(iw_handler) lbs_get_rate,	/* SIOCGIWRATE */
	(iw_handler) lbs_set_rts,	/* SIOCSIWRTS */
	(iw_handler) lbs_get_rts,	/* SIOCGIWRTS */
	(iw_handler) lbs_set_frag,	/* SIOCSIWFRAG */
	(iw_handler) lbs_get_frag,	/* SIOCGIWFRAG */
	(iw_handler) lbs_set_txpow,	/* SIOCSIWTXPOW */
	(iw_handler) lbs_get_txpow,	/* SIOCGIWTXPOW */
	(iw_handler) lbs_set_retry,	/* SIOCSIWRETRY */
	(iw_handler) lbs_get_retry,	/* SIOCGIWRETRY */
	(iw_handler) lbs_set_encode,	/* SIOCSIWENCODE */
	(iw_handler) lbs_get_encode,	/* SIOCGIWENCODE */
	(iw_handler) lbs_set_power,	/* SIOCSIWPOWER */
	(iw_handler) lbs_get_power,	/* SIOCGIWPOWER */
2123 2124
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2125 2126 2127 2128 2129 2130
	(iw_handler) lbs_set_genie,	/* SIOCSIWGENIE */
	(iw_handler) lbs_get_genie,	/* SIOCGIWGENIE */
	(iw_handler) lbs_set_auth,	/* SIOCSIWAUTH */
	(iw_handler) lbs_get_auth,	/* SIOCGIWAUTH */
	(iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
	(iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2131 2132 2133
	(iw_handler) NULL,		/* SIOCSIWPMKSA */
};

2134 2135
static const iw_handler mesh_wlan_handler[] = {
	(iw_handler) NULL,	/* SIOCSIWCOMMIT */
2136
	(iw_handler) lbs_get_name,	/* SIOCGIWNAME */
2137 2138
	(iw_handler) NULL,	/* SIOCSIWNWID */
	(iw_handler) NULL,	/* SIOCGIWNWID */
2139
	(iw_handler) lbs_mesh_set_freq,	/* SIOCSIWFREQ */
2140
	(iw_handler) lbs_get_freq,	/* SIOCGIWFREQ */
2141 2142 2143 2144 2145
	(iw_handler) NULL,		/* SIOCSIWMODE */
	(iw_handler) mesh_wlan_get_mode,	/* SIOCGIWMODE */
	(iw_handler) NULL,	/* SIOCSIWSENS */
	(iw_handler) NULL,	/* SIOCGIWSENS */
	(iw_handler) NULL,	/* SIOCSIWRANGE */
2146
	(iw_handler) lbs_get_range,	/* SIOCGIWRANGE */
2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158
	(iw_handler) NULL,	/* SIOCSIWPRIV */
	(iw_handler) NULL,	/* SIOCGIWPRIV */
	(iw_handler) NULL,	/* SIOCSIWSTATS */
	(iw_handler) NULL,	/* SIOCGIWSTATS */
	iw_handler_set_spy,	/* SIOCSIWSPY */
	iw_handler_get_spy,	/* SIOCGIWSPY */
	iw_handler_set_thrspy,	/* SIOCSIWTHRSPY */
	iw_handler_get_thrspy,	/* SIOCGIWTHRSPY */
	(iw_handler) NULL,	/* SIOCSIWAP */
	(iw_handler) NULL,	/* SIOCGIWAP */
	(iw_handler) NULL,	/* SIOCSIWMLME */
	(iw_handler) NULL,	/* SIOCGIWAPLIST - deprecated */
2159 2160
	(iw_handler) lbs_set_scan,	/* SIOCSIWSCAN */
	(iw_handler) lbs_get_scan,	/* SIOCGIWSCAN */
2161 2162
	(iw_handler) lbs_mesh_set_essid,/* SIOCSIWESSID */
	(iw_handler) lbs_mesh_get_essid,/* SIOCGIWESSID */
2163 2164 2165 2166
	(iw_handler) NULL,		/* SIOCSIWNICKN */
	(iw_handler) mesh_get_nick,	/* SIOCGIWNICKN */
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180
	(iw_handler) lbs_set_rate,	/* SIOCSIWRATE */
	(iw_handler) lbs_get_rate,	/* SIOCGIWRATE */
	(iw_handler) lbs_set_rts,	/* SIOCSIWRTS */
	(iw_handler) lbs_get_rts,	/* SIOCGIWRTS */
	(iw_handler) lbs_set_frag,	/* SIOCSIWFRAG */
	(iw_handler) lbs_get_frag,	/* SIOCGIWFRAG */
	(iw_handler) lbs_set_txpow,	/* SIOCSIWTXPOW */
	(iw_handler) lbs_get_txpow,	/* SIOCGIWTXPOW */
	(iw_handler) lbs_set_retry,	/* SIOCSIWRETRY */
	(iw_handler) lbs_get_retry,	/* SIOCGIWRETRY */
	(iw_handler) lbs_set_encode,	/* SIOCSIWENCODE */
	(iw_handler) lbs_get_encode,	/* SIOCGIWENCODE */
	(iw_handler) lbs_set_power,	/* SIOCSIWPOWER */
	(iw_handler) lbs_get_power,	/* SIOCGIWPOWER */
2181 2182
	(iw_handler) NULL,	/* -- hole -- */
	(iw_handler) NULL,	/* -- hole -- */
2183 2184 2185 2186 2187 2188
	(iw_handler) lbs_set_genie,	/* SIOCSIWGENIE */
	(iw_handler) lbs_get_genie,	/* SIOCGIWGENIE */
	(iw_handler) lbs_set_auth,	/* SIOCSIWAUTH */
	(iw_handler) lbs_get_auth,	/* SIOCGIWAUTH */
	(iw_handler) lbs_set_encodeext,/* SIOCSIWENCODEEXT */
	(iw_handler) lbs_get_encodeext,/* SIOCGIWENCODEEXT */
2189 2190
	(iw_handler) NULL,		/* SIOCSIWPMKSA */
};
2191 2192 2193 2194
struct iw_handler_def lbs_handler_def = {
	.num_standard	= ARRAY_SIZE(lbs_handler),
	.standard	= (iw_handler *) lbs_handler,
	.get_wireless_stats = lbs_get_wireless_stats,
2195
};
2196 2197

struct iw_handler_def mesh_handler_def = {
2198
	.num_standard	= ARRAY_SIZE(mesh_wlan_handler),
2199
	.standard	= (iw_handler *) mesh_wlan_handler,
2200
	.get_wireless_stats = lbs_get_wireless_stats,
2201
};