Linux Audio

Check our new training course

Embedded Linux training

Mar 10-20, 2025, special US time zones
Register
Loading...
Note: File does not exist in v3.1.
   1// SPDX-License-Identifier: GPL-2.0
   2/* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
   3
   4#include <linux/slab.h>
   5#include <linux/types.h>
   6#include <linux/sched/signal.h>
   7#include <linux/ethtool.h>
   8#include <linux/if_arp.h>
   9#include <linux/module.h>
  10#include <linux/etherdevice.h>
  11#include <net/lib80211.h>
  12
  13#include "hostap_wlan.h"
  14#include "hostap.h"
  15#include "hostap_ap.h"
  16
  17static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
  18{
  19	struct hostap_interface *iface;
  20	local_info_t *local;
  21	struct iw_statistics *wstats;
  22
  23	iface = netdev_priv(dev);
  24	local = iface->local;
  25
  26	/* Why are we doing that ? Jean II */
  27	if (iface->type != HOSTAP_INTERFACE_MAIN)
  28		return NULL;
  29
  30	wstats = &local->wstats;
  31
  32	wstats->status = 0;
  33	wstats->discard.code =
  34		local->comm_tallies.rx_discards_wep_undecryptable;
  35	wstats->discard.misc =
  36		local->comm_tallies.rx_fcs_errors +
  37		local->comm_tallies.rx_discards_no_buffer +
  38		local->comm_tallies.tx_discards_wrong_sa;
  39
  40	wstats->discard.retries =
  41		local->comm_tallies.tx_retry_limit_exceeded;
  42	wstats->discard.fragment =
  43		local->comm_tallies.rx_message_in_bad_msg_fragments;
  44
  45	if (local->iw_mode != IW_MODE_MASTER &&
  46	    local->iw_mode != IW_MODE_REPEAT) {
  47
  48		if (prism2_update_comms_qual(dev) == 0)
  49			wstats->qual.updated = IW_QUAL_ALL_UPDATED |
  50				IW_QUAL_DBM;
  51
  52		wstats->qual.qual = local->comms_qual;
  53		wstats->qual.level = local->avg_signal;
  54		wstats->qual.noise = local->avg_noise;
  55	} else {
  56		wstats->qual.qual = 0;
  57		wstats->qual.level = 0;
  58		wstats->qual.noise = 0;
  59		wstats->qual.updated = IW_QUAL_ALL_INVALID;
  60	}
  61
  62	return wstats;
  63}
  64
  65
  66static int prism2_get_datarates(struct net_device *dev, u8 *rates)
  67{
  68	struct hostap_interface *iface;
  69	local_info_t *local;
  70	u8 buf[12];
  71	int len;
  72	u16 val;
  73
  74	iface = netdev_priv(dev);
  75	local = iface->local;
  76
  77	len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
  78				   sizeof(buf), 0);
  79	if (len < 2)
  80		return 0;
  81
  82	val = le16_to_cpu(*(__le16 *) buf); /* string length */
  83
  84	if (len - 2 < val || val > 10)
  85		return 0;
  86
  87	memcpy(rates, buf + 2, val);
  88	return val;
  89}
  90
  91
  92static int prism2_get_name(struct net_device *dev,
  93			   struct iw_request_info *info,
  94			   char *name, char *extra)
  95{
  96	u8 rates[10];
  97	int len, i, over2 = 0;
  98
  99	len = prism2_get_datarates(dev, rates);
 100
 101	for (i = 0; i < len; i++) {
 102		if (rates[i] == 0x0b || rates[i] == 0x16) {
 103			over2 = 1;
 104			break;
 105		}
 106	}
 107
 108	strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
 109
 110	return 0;
 111}
 112
 113
 114static int prism2_ioctl_siwencode(struct net_device *dev,
 115				  struct iw_request_info *info,
 116				  struct iw_point *erq, char *keybuf)
 117{
 118	struct hostap_interface *iface;
 119	local_info_t *local;
 120	int i;
 121	struct lib80211_crypt_data **crypt;
 122
 123	iface = netdev_priv(dev);
 124	local = iface->local;
 125
 126	i = erq->flags & IW_ENCODE_INDEX;
 127	if (i < 1 || i > 4)
 128		i = local->crypt_info.tx_keyidx;
 129	else
 130		i--;
 131	if (i < 0 || i >= WEP_KEYS)
 132		return -EINVAL;
 133
 134	crypt = &local->crypt_info.crypt[i];
 135
 136	if (erq->flags & IW_ENCODE_DISABLED) {
 137		if (*crypt)
 138			lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
 139		goto done;
 140	}
 141
 142	if (*crypt != NULL && (*crypt)->ops != NULL &&
 143	    strcmp((*crypt)->ops->name, "WEP") != 0) {
 144		/* changing to use WEP; deinit previously used algorithm */
 145		lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
 146	}
 147
 148	if (*crypt == NULL) {
 149		struct lib80211_crypt_data *new_crypt;
 150
 151		/* take WEP into use */
 152		new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
 153				GFP_KERNEL);
 154		if (new_crypt == NULL)
 155			return -ENOMEM;
 156		new_crypt->ops = lib80211_get_crypto_ops("WEP");
 157		if (!new_crypt->ops) {
 158			request_module("lib80211_crypt_wep");
 159			new_crypt->ops = lib80211_get_crypto_ops("WEP");
 160		}
 161		if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
 162			new_crypt->priv = new_crypt->ops->init(i);
 163		if (!new_crypt->ops || !new_crypt->priv) {
 164			kfree(new_crypt);
 165			new_crypt = NULL;
 166
 167			printk(KERN_WARNING "%s: could not initialize WEP: "
 168			       "load module hostap_crypt_wep.o\n",
 169			       dev->name);
 170			return -EOPNOTSUPP;
 171		}
 172		*crypt = new_crypt;
 173	}
 174
 175	if (erq->length > 0) {
 176		int len = erq->length <= 5 ? 5 : 13;
 177		int first = 1, j;
 178		if (len > erq->length)
 179			memset(keybuf + erq->length, 0, len - erq->length);
 180		(*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
 181		for (j = 0; j < WEP_KEYS; j++) {
 182			if (j != i && local->crypt_info.crypt[j]) {
 183				first = 0;
 184				break;
 185			}
 186		}
 187		if (first)
 188			local->crypt_info.tx_keyidx = i;
 189	} else {
 190		/* No key data - just set the default TX key index */
 191		local->crypt_info.tx_keyidx = i;
 192	}
 193
 194 done:
 195	local->open_wep = erq->flags & IW_ENCODE_OPEN;
 196
 197	if (hostap_set_encryption(local)) {
 198		printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
 199		return -EINVAL;
 200	}
 201
 202	/* Do not reset port0 if card is in Managed mode since resetting will
 203	 * generate new IEEE 802.11 authentication which may end up in looping
 204	 * with IEEE 802.1X. Prism2 documentation seem to require port reset
 205	 * after WEP configuration. However, keys are apparently changed at
 206	 * least in Managed mode. */
 207	if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
 208		printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
 209		return -EINVAL;
 210	}
 211
 212	return 0;
 213}
 214
 215
 216static int prism2_ioctl_giwencode(struct net_device *dev,
 217				  struct iw_request_info *info,
 218				  struct iw_point *erq, char *key)
 219{
 220	struct hostap_interface *iface;
 221	local_info_t *local;
 222	int i, len;
 223	u16 val;
 224	struct lib80211_crypt_data *crypt;
 225
 226	iface = netdev_priv(dev);
 227	local = iface->local;
 228
 229	i = erq->flags & IW_ENCODE_INDEX;
 230	if (i < 1 || i > 4)
 231		i = local->crypt_info.tx_keyidx;
 232	else
 233		i--;
 234	if (i < 0 || i >= WEP_KEYS)
 235		return -EINVAL;
 236
 237	crypt = local->crypt_info.crypt[i];
 238	erq->flags = i + 1;
 239
 240	if (crypt == NULL || crypt->ops == NULL) {
 241		erq->length = 0;
 242		erq->flags |= IW_ENCODE_DISABLED;
 243		return 0;
 244	}
 245
 246	if (strcmp(crypt->ops->name, "WEP") != 0) {
 247		/* only WEP is supported with wireless extensions, so just
 248		 * report that encryption is used */
 249		erq->length = 0;
 250		erq->flags |= IW_ENCODE_ENABLED;
 251		return 0;
 252	}
 253
 254	/* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
 255	 * the keys from driver buffer */
 256	len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
 257	erq->length = (len >= 0 ? len : 0);
 258
 259	if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
 260	{
 261		printk("CNFWEPFLAGS reading failed\n");
 262		return -EOPNOTSUPP;
 263	}
 264	le16_to_cpus(&val);
 265	if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
 266		erq->flags |= IW_ENCODE_ENABLED;
 267	else
 268		erq->flags |= IW_ENCODE_DISABLED;
 269	if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
 270		erq->flags |= IW_ENCODE_RESTRICTED;
 271	else
 272		erq->flags |= IW_ENCODE_OPEN;
 273
 274	return 0;
 275}
 276
 277
 278static int hostap_set_rate(struct net_device *dev)
 279{
 280	struct hostap_interface *iface;
 281	local_info_t *local;
 282	int ret, basic_rates;
 283
 284	iface = netdev_priv(dev);
 285	local = iface->local;
 286
 287	basic_rates = local->basic_rates & local->tx_rate_control;
 288	if (!basic_rates || basic_rates != local->basic_rates) {
 289		printk(KERN_INFO "%s: updating basic rate set automatically "
 290		       "to match with the new supported rate set\n",
 291		       dev->name);
 292		if (!basic_rates)
 293			basic_rates = local->tx_rate_control;
 294
 295		local->basic_rates = basic_rates;
 296		if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
 297				    basic_rates))
 298			printk(KERN_WARNING "%s: failed to set "
 299			       "cnfBasicRates\n", dev->name);
 300	}
 301
 302	ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
 303			       local->tx_rate_control) ||
 304	       hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
 305			       local->tx_rate_control) ||
 306	       local->func->reset_port(dev));
 307
 308	if (ret) {
 309		printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
 310		       "setting to 0x%x failed\n",
 311		       dev->name, local->tx_rate_control);
 312	}
 313
 314	/* Update TX rate configuration for all STAs based on new operational
 315	 * rate set. */
 316	hostap_update_rates(local);
 317
 318	return ret;
 319}
 320
 321
 322static int prism2_ioctl_siwrate(struct net_device *dev,
 323				struct iw_request_info *info,
 324				struct iw_param *rrq, char *extra)
 325{
 326	struct hostap_interface *iface;
 327	local_info_t *local;
 328
 329	iface = netdev_priv(dev);
 330	local = iface->local;
 331
 332	if (rrq->fixed) {
 333		switch (rrq->value) {
 334		case 11000000:
 335			local->tx_rate_control = HFA384X_RATES_11MBPS;
 336			break;
 337		case 5500000:
 338			local->tx_rate_control = HFA384X_RATES_5MBPS;
 339			break;
 340		case 2000000:
 341			local->tx_rate_control = HFA384X_RATES_2MBPS;
 342			break;
 343		case 1000000:
 344			local->tx_rate_control = HFA384X_RATES_1MBPS;
 345			break;
 346		default:
 347			local->tx_rate_control = HFA384X_RATES_1MBPS |
 348				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 349				HFA384X_RATES_11MBPS;
 350			break;
 351		}
 352	} else {
 353		switch (rrq->value) {
 354		case 11000000:
 355			local->tx_rate_control = HFA384X_RATES_1MBPS |
 356				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 357				HFA384X_RATES_11MBPS;
 358			break;
 359		case 5500000:
 360			local->tx_rate_control = HFA384X_RATES_1MBPS |
 361				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
 362			break;
 363		case 2000000:
 364			local->tx_rate_control = HFA384X_RATES_1MBPS |
 365				HFA384X_RATES_2MBPS;
 366			break;
 367		case 1000000:
 368			local->tx_rate_control = HFA384X_RATES_1MBPS;
 369			break;
 370		default:
 371			local->tx_rate_control = HFA384X_RATES_1MBPS |
 372				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
 373				HFA384X_RATES_11MBPS;
 374			break;
 375		}
 376	}
 377
 378	return hostap_set_rate(dev);
 379}
 380
 381
 382static int prism2_ioctl_giwrate(struct net_device *dev,
 383				struct iw_request_info *info,
 384				struct iw_param *rrq, char *extra)
 385{
 386	u16 val;
 387	struct hostap_interface *iface;
 388	local_info_t *local;
 389	int ret = 0;
 390
 391	iface = netdev_priv(dev);
 392	local = iface->local;
 393
 394	if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
 395	    0)
 396		return -EINVAL;
 397
 398	if ((val & 0x1) && (val > 1))
 399		rrq->fixed = 0;
 400	else
 401		rrq->fixed = 1;
 402
 403	if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
 404	    !local->fw_tx_rate_control) {
 405		/* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
 406		 * Host AP mode, so use the recorded TX rate of the last sent
 407		 * frame */
 408		rrq->value = local->ap->last_tx_rate > 0 ?
 409			local->ap->last_tx_rate * 100000 : 11000000;
 410		return 0;
 411	}
 412
 413	if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
 414	    0)
 415		return -EINVAL;
 416
 417	switch (val) {
 418	case HFA384X_RATES_1MBPS:
 419		rrq->value = 1000000;
 420		break;
 421	case HFA384X_RATES_2MBPS:
 422		rrq->value = 2000000;
 423		break;
 424	case HFA384X_RATES_5MBPS:
 425		rrq->value = 5500000;
 426		break;
 427	case HFA384X_RATES_11MBPS:
 428		rrq->value = 11000000;
 429		break;
 430	default:
 431		/* should not happen */
 432		rrq->value = 11000000;
 433		ret = -EINVAL;
 434		break;
 435	}
 436
 437	return ret;
 438}
 439
 440
 441static int prism2_ioctl_siwsens(struct net_device *dev,
 442				struct iw_request_info *info,
 443				struct iw_param *sens, char *extra)
 444{
 445	struct hostap_interface *iface;
 446	local_info_t *local;
 447
 448	iface = netdev_priv(dev);
 449	local = iface->local;
 450
 451	/* Set the desired AP density */
 452	if (sens->value < 1 || sens->value > 3)
 453		return -EINVAL;
 454
 455	if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
 456	    local->func->reset_port(dev))
 457		return -EINVAL;
 458
 459	return 0;
 460}
 461
 462static int prism2_ioctl_giwsens(struct net_device *dev,
 463				struct iw_request_info *info,
 464				struct iw_param *sens, char *extra)
 465{
 466	struct hostap_interface *iface;
 467	local_info_t *local;
 468	__le16 val;
 469
 470	iface = netdev_priv(dev);
 471	local = iface->local;
 472
 473	/* Get the current AP density */
 474	if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
 475	    0)
 476		return -EINVAL;
 477
 478	sens->value = le16_to_cpu(val);
 479	sens->fixed = 1;
 480
 481	return 0;
 482}
 483
 484
 485/* Deprecated in new wireless extension API */
 486static int prism2_ioctl_giwaplist(struct net_device *dev,
 487				  struct iw_request_info *info,
 488				  struct iw_point *data, char *extra)
 489{
 490	struct hostap_interface *iface;
 491	local_info_t *local;
 492	struct sockaddr *addr;
 493	struct iw_quality *qual;
 494
 495	iface = netdev_priv(dev);
 496	local = iface->local;
 497
 498	if (local->iw_mode != IW_MODE_MASTER) {
 499		printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
 500		       "in Host AP mode\n");
 501		data->length = 0;
 502		return -EOPNOTSUPP;
 503	}
 504
 505	addr = kmalloc_array(IW_MAX_AP, sizeof(struct sockaddr), GFP_KERNEL);
 506	qual = kmalloc_array(IW_MAX_AP, sizeof(struct iw_quality), GFP_KERNEL);
 507	if (addr == NULL || qual == NULL) {
 508		kfree(addr);
 509		kfree(qual);
 510		data->length = 0;
 511		return -ENOMEM;
 512	}
 513
 514	data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
 515
 516	memcpy(extra, addr, sizeof(struct sockaddr) * data->length);
 517	data->flags = 1; /* has quality information */
 518	memcpy(extra + sizeof(struct sockaddr) * data->length, qual,
 519	       sizeof(struct iw_quality) * data->length);
 520
 521	kfree(addr);
 522	kfree(qual);
 523	return 0;
 524}
 525
 526
 527static int prism2_ioctl_siwrts(struct net_device *dev,
 528			       struct iw_request_info *info,
 529			       struct iw_param *rts, char *extra)
 530{
 531	struct hostap_interface *iface;
 532	local_info_t *local;
 533	__le16 val;
 534
 535	iface = netdev_priv(dev);
 536	local = iface->local;
 537
 538	if (rts->disabled)
 539		val = cpu_to_le16(2347);
 540	else if (rts->value < 0 || rts->value > 2347)
 541		return -EINVAL;
 542	else
 543		val = cpu_to_le16(rts->value);
 544
 545	if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
 546	    local->func->reset_port(dev))
 547		return -EINVAL;
 548
 549	local->rts_threshold = rts->value;
 550
 551	return 0;
 552}
 553
 554static int prism2_ioctl_giwrts(struct net_device *dev,
 555			       struct iw_request_info *info,
 556			       struct iw_param *rts, char *extra)
 557{
 558	struct hostap_interface *iface;
 559	local_info_t *local;
 560	__le16 val;
 561
 562	iface = netdev_priv(dev);
 563	local = iface->local;
 564
 565	if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
 566	    0)
 567		return -EINVAL;
 568
 569	rts->value = le16_to_cpu(val);
 570	rts->disabled = (rts->value == 2347);
 571	rts->fixed = 1;
 572
 573	return 0;
 574}
 575
 576
 577static int prism2_ioctl_siwfrag(struct net_device *dev,
 578				struct iw_request_info *info,
 579				struct iw_param *rts, char *extra)
 580{
 581	struct hostap_interface *iface;
 582	local_info_t *local;
 583	__le16 val;
 584
 585	iface = netdev_priv(dev);
 586	local = iface->local;
 587
 588	if (rts->disabled)
 589		val = cpu_to_le16(2346);
 590	else if (rts->value < 256 || rts->value > 2346)
 591		return -EINVAL;
 592	else
 593		val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */
 594
 595	local->fragm_threshold = rts->value & ~0x1;
 596	if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
 597				 2)
 598	    || local->func->reset_port(dev))
 599		return -EINVAL;
 600
 601	return 0;
 602}
 603
 604static int prism2_ioctl_giwfrag(struct net_device *dev,
 605				struct iw_request_info *info,
 606				struct iw_param *rts, char *extra)
 607{
 608	struct hostap_interface *iface;
 609	local_info_t *local;
 610	__le16 val;
 611
 612	iface = netdev_priv(dev);
 613	local = iface->local;
 614
 615	if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
 616				 &val, 2, 1) < 0)
 617		return -EINVAL;
 618
 619	rts->value = le16_to_cpu(val);
 620	rts->disabled = (rts->value == 2346);
 621	rts->fixed = 1;
 622
 623	return 0;
 624}
 625
 626
 627#ifndef PRISM2_NO_STATION_MODES
 628static int hostap_join_ap(struct net_device *dev)
 629{
 630	struct hostap_interface *iface;
 631	local_info_t *local;
 632	struct hfa384x_join_request req;
 633	unsigned long flags;
 634	int i;
 635	struct hfa384x_hostscan_result *entry;
 636
 637	iface = netdev_priv(dev);
 638	local = iface->local;
 639
 640	memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
 641	req.channel = 0;
 642
 643	spin_lock_irqsave(&local->lock, flags);
 644	for (i = 0; i < local->last_scan_results_count; i++) {
 645		if (!local->last_scan_results)
 646			break;
 647		entry = &local->last_scan_results[i];
 648		if (ether_addr_equal(local->preferred_ap, entry->bssid)) {
 649			req.channel = entry->chid;
 650			break;
 651		}
 652	}
 653	spin_unlock_irqrestore(&local->lock, flags);
 654
 655	if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
 656				 sizeof(req))) {
 657		printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
 658		       dev->name, local->preferred_ap);
 659		return -1;
 660	}
 661
 662	printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
 663	       dev->name, local->preferred_ap);
 664
 665	return 0;
 666}
 667#endif /* PRISM2_NO_STATION_MODES */
 668
 669
 670static int prism2_ioctl_siwap(struct net_device *dev,
 671			      struct iw_request_info *info,
 672			      struct sockaddr *ap_addr, char *extra)
 673{
 674#ifdef PRISM2_NO_STATION_MODES
 675	return -EOPNOTSUPP;
 676#else /* PRISM2_NO_STATION_MODES */
 677	struct hostap_interface *iface;
 678	local_info_t *local;
 679
 680	iface = netdev_priv(dev);
 681	local = iface->local;
 682
 683	memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
 684
 685	if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
 686		struct hfa384x_scan_request scan_req;
 687		memset(&scan_req, 0, sizeof(scan_req));
 688		scan_req.channel_list = cpu_to_le16(0x3fff);
 689		scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
 690		if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
 691					 &scan_req, sizeof(scan_req))) {
 692			printk(KERN_DEBUG "%s: ScanResults request failed - "
 693			       "preferred AP delayed to next unsolicited "
 694			       "scan\n", dev->name);
 695		}
 696	} else if (local->host_roaming == 2 &&
 697		   local->iw_mode == IW_MODE_INFRA) {
 698		if (hostap_join_ap(dev))
 699			return -EINVAL;
 700	} else {
 701		printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
 702		       "in Managed mode when host_roaming is enabled\n",
 703		       dev->name);
 704	}
 705
 706	return 0;
 707#endif /* PRISM2_NO_STATION_MODES */
 708}
 709
 710static int prism2_ioctl_giwap(struct net_device *dev,
 711			      struct iw_request_info *info,
 712			      struct sockaddr *ap_addr, char *extra)
 713{
 714	struct hostap_interface *iface;
 715	local_info_t *local;
 716
 717	iface = netdev_priv(dev);
 718	local = iface->local;
 719
 720	ap_addr->sa_family = ARPHRD_ETHER;
 721	switch (iface->type) {
 722	case HOSTAP_INTERFACE_AP:
 723		memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
 724		break;
 725	case HOSTAP_INTERFACE_STA:
 726		memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
 727		break;
 728	case HOSTAP_INTERFACE_WDS:
 729		memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
 730		break;
 731	default:
 732		if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
 733					 &ap_addr->sa_data, ETH_ALEN, 1) < 0)
 734			return -EOPNOTSUPP;
 735
 736		/* local->bssid is also updated in LinkStatus handler when in
 737		 * station mode */
 738		memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
 739		break;
 740	}
 741
 742	return 0;
 743}
 744
 745
 746static int prism2_ioctl_siwnickn(struct net_device *dev,
 747				 struct iw_request_info *info,
 748				 struct iw_point *data, char *nickname)
 749{
 750	struct hostap_interface *iface;
 751	local_info_t *local;
 752
 753	iface = netdev_priv(dev);
 754	local = iface->local;
 755
 756	memset(local->name, 0, sizeof(local->name));
 757	memcpy(local->name, nickname, data->length);
 758	local->name_set = 1;
 759
 760	if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
 761	    local->func->reset_port(dev))
 762		return -EINVAL;
 763
 764	return 0;
 765}
 766
 767static int prism2_ioctl_giwnickn(struct net_device *dev,
 768				 struct iw_request_info *info,
 769				 struct iw_point *data, char *nickname)
 770{
 771	struct hostap_interface *iface;
 772	local_info_t *local;
 773	int len;
 774	char name[MAX_NAME_LEN + 3];
 775	u16 val;
 776
 777	iface = netdev_priv(dev);
 778	local = iface->local;
 779
 780	len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
 781				   &name, MAX_NAME_LEN + 2, 0);
 782	val = le16_to_cpu(*(__le16 *) name);
 783	if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
 784		return -EOPNOTSUPP;
 785
 786	name[val + 2] = '\0';
 787	data->length = val + 1;
 788	memcpy(nickname, name + 2, val + 1);
 789
 790	return 0;
 791}
 792
 793
 794static int prism2_ioctl_siwfreq(struct net_device *dev,
 795				struct iw_request_info *info,
 796				struct iw_freq *freq, char *extra)
 797{
 798	struct hostap_interface *iface;
 799	local_info_t *local;
 800
 801	iface = netdev_priv(dev);
 802	local = iface->local;
 803
 804	/* freq => chan. */
 805	if (freq->e == 1 &&
 806	    freq->m / 100000 >= freq_list[0] &&
 807	    freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
 808		int ch;
 809		int fr = freq->m / 100000;
 810		for (ch = 0; ch < FREQ_COUNT; ch++) {
 811			if (fr == freq_list[ch]) {
 812				freq->e = 0;
 813				freq->m = ch + 1;
 814				break;
 815			}
 816		}
 817	}
 818
 819	if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
 820	    !(local->channel_mask & (1 << (freq->m - 1))))
 821		return -EINVAL;
 822
 823	local->channel = freq->m; /* channel is used in prism2_setup_rids() */
 824	if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
 825	    local->func->reset_port(dev))
 826		return -EINVAL;
 827
 828	return 0;
 829}
 830
 831static int prism2_ioctl_giwfreq(struct net_device *dev,
 832				struct iw_request_info *info,
 833				struct iw_freq *freq, char *extra)
 834{
 835	struct hostap_interface *iface;
 836	local_info_t *local;
 837	u16 val;
 838
 839	iface = netdev_priv(dev);
 840	local = iface->local;
 841
 842	if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
 843	    0)
 844		return -EINVAL;
 845
 846	le16_to_cpus(&val);
 847	if (val < 1 || val > FREQ_COUNT)
 848		return -EINVAL;
 849
 850	freq->m = freq_list[val - 1] * 100000;
 851	freq->e = 1;
 852
 853	return 0;
 854}
 855
 856
 857static void hostap_monitor_set_type(local_info_t *local)
 858{
 859	struct net_device *dev = local->ddev;
 860
 861	if (dev == NULL)
 862		return;
 863
 864	if (local->monitor_type == PRISM2_MONITOR_PRISM ||
 865	    local->monitor_type == PRISM2_MONITOR_CAPHDR) {
 866		dev->type = ARPHRD_IEEE80211_PRISM;
 867	} else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
 868		dev->type = ARPHRD_IEEE80211_RADIOTAP;
 869	} else {
 870		dev->type = ARPHRD_IEEE80211;
 871	}
 872}
 873
 874
 875static int prism2_ioctl_siwessid(struct net_device *dev,
 876				 struct iw_request_info *info,
 877				 struct iw_point *data, char *ssid)
 878{
 879	struct hostap_interface *iface;
 880	local_info_t *local;
 881
 882	iface = netdev_priv(dev);
 883	local = iface->local;
 884
 885	if (iface->type == HOSTAP_INTERFACE_WDS)
 886		return -EOPNOTSUPP;
 887
 888	if (data->flags == 0)
 889		ssid[0] = '\0'; /* ANY */
 890
 891	if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
 892		/* Setting SSID to empty string seems to kill the card in
 893		 * Host AP mode */
 894		printk(KERN_DEBUG "%s: Host AP mode does not support "
 895		       "'Any' essid\n", dev->name);
 896		return -EINVAL;
 897	}
 898
 899	memcpy(local->essid, ssid, data->length);
 900	local->essid[data->length] = '\0';
 901
 902	if ((!local->fw_ap &&
 903	     hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
 904	    || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
 905	    local->func->reset_port(dev))
 906		return -EINVAL;
 907
 908	return 0;
 909}
 910
 911static int prism2_ioctl_giwessid(struct net_device *dev,
 912				 struct iw_request_info *info,
 913				 struct iw_point *data, char *essid)
 914{
 915	struct hostap_interface *iface;
 916	local_info_t *local;
 917	u16 val;
 918
 919	iface = netdev_priv(dev);
 920	local = iface->local;
 921
 922	if (iface->type == HOSTAP_INTERFACE_WDS)
 923		return -EOPNOTSUPP;
 924
 925	data->flags = 1; /* active */
 926	if (local->iw_mode == IW_MODE_MASTER) {
 927		data->length = strlen(local->essid);
 928		memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
 929	} else {
 930		int len;
 931		char ssid[MAX_SSID_LEN + 2];
 932		memset(ssid, 0, sizeof(ssid));
 933		len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
 934					   &ssid, MAX_SSID_LEN + 2, 0);
 935		val = le16_to_cpu(*(__le16 *) ssid);
 936		if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
 937			return -EOPNOTSUPP;
 938		}
 939		data->length = val;
 940		memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
 941	}
 942
 943	return 0;
 944}
 945
 946
 947static int prism2_ioctl_giwrange(struct net_device *dev,
 948				 struct iw_request_info *info,
 949				 struct iw_point *data, char *extra)
 950{
 951	struct hostap_interface *iface;
 952	local_info_t *local;
 953	struct iw_range *range = (struct iw_range *) extra;
 954	u8 rates[10];
 955	u16 val;
 956	int i, len, over2;
 957
 958	iface = netdev_priv(dev);
 959	local = iface->local;
 960
 961	data->length = sizeof(struct iw_range);
 962	memset(range, 0, sizeof(struct iw_range));
 963
 964	/* TODO: could fill num_txpower and txpower array with
 965	 * something; however, there are 128 different values.. */
 966
 967	range->txpower_capa = IW_TXPOW_DBM;
 968
 969	if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
 970	{
 971		range->min_pmp = 1 * 1024;
 972		range->max_pmp = 65535 * 1024;
 973		range->min_pmt = 1 * 1024;
 974		range->max_pmt = 1000 * 1024;
 975		range->pmp_flags = IW_POWER_PERIOD;
 976		range->pmt_flags = IW_POWER_TIMEOUT;
 977		range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
 978			IW_POWER_UNICAST_R | IW_POWER_ALL_R;
 979	}
 980
 981	range->we_version_compiled = WIRELESS_EXT;
 982	range->we_version_source = 18;
 983
 984	range->retry_capa = IW_RETRY_LIMIT;
 985	range->retry_flags = IW_RETRY_LIMIT;
 986	range->min_retry = 0;
 987	range->max_retry = 255;
 988
 989	range->num_channels = FREQ_COUNT;
 990
 991	val = 0;
 992	for (i = 0; i < FREQ_COUNT; i++) {
 993		if (local->channel_mask & (1 << i)) {
 994			range->freq[val].i = i + 1;
 995			range->freq[val].m = freq_list[i] * 100000;
 996			range->freq[val].e = 1;
 997			val++;
 998		}
 999		if (val == IW_MAX_FREQUENCIES)
1000			break;
1001	}
1002	range->num_frequency = val;
1003
1004	if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1005		range->max_qual.qual = 70; /* what is correct max? This was not
1006					    * documented exactly. At least
1007					    * 69 has been observed. */
1008		range->max_qual.level = 0; /* dB */
1009		range->max_qual.noise = 0; /* dB */
1010
1011		/* What would be suitable values for "average/typical" qual? */
1012		range->avg_qual.qual = 20;
1013		range->avg_qual.level = -60;
1014		range->avg_qual.noise = -95;
1015	} else {
1016		range->max_qual.qual = 92; /* 0 .. 92 */
1017		range->max_qual.level = 154; /* 27 .. 154 */
1018		range->max_qual.noise = 154; /* 27 .. 154 */
1019	}
1020	range->sensitivity = 3;
1021
1022	range->max_encoding_tokens = WEP_KEYS;
1023	range->num_encoding_sizes = 2;
1024	range->encoding_size[0] = 5;
1025	range->encoding_size[1] = 13;
1026
1027	over2 = 0;
1028	len = prism2_get_datarates(dev, rates);
1029	range->num_bitrates = 0;
1030	for (i = 0; i < len; i++) {
1031		if (range->num_bitrates < IW_MAX_BITRATES) {
1032			range->bitrate[range->num_bitrates] =
1033				rates[i] * 500000;
1034			range->num_bitrates++;
1035		}
1036		if (rates[i] == 0x0b || rates[i] == 0x16)
1037			over2 = 1;
1038	}
1039	/* estimated maximum TCP throughput values (bps) */
1040	range->throughput = over2 ? 5500000 : 1500000;
1041
1042	range->min_rts = 0;
1043	range->max_rts = 2347;
1044	range->min_frag = 256;
1045	range->max_frag = 2346;
1046
1047	/* Event capability (kernel + driver) */
1048	range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1049				IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1050				IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1051				IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1052	range->event_capa[1] = IW_EVENT_CAPA_K_1;
1053	range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1054				IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1055				IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1056				IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1057
1058	range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1059		IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1060
1061	if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1062		range->scan_capa = IW_SCAN_CAPA_ESSID;
1063
1064	return 0;
1065}
1066
1067
1068static int hostap_monitor_mode_enable(local_info_t *local)
1069{
1070	struct net_device *dev = local->dev;
1071
1072	printk(KERN_DEBUG "Enabling monitor mode\n");
1073	hostap_monitor_set_type(local);
1074
1075	if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1076			    HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1077		printk(KERN_DEBUG "Port type setting for monitor mode "
1078		       "failed\n");
1079		return -EOPNOTSUPP;
1080	}
1081
1082	/* Host decrypt is needed to get the IV and ICV fields;
1083	 * however, monitor mode seems to remove WEP flag from frame
1084	 * control field */
1085	if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1086			    HFA384X_WEPFLAGS_HOSTENCRYPT |
1087			    HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1088		printk(KERN_DEBUG "WEP flags setting failed\n");
1089		return -EOPNOTSUPP;
1090	}
1091
1092	if (local->func->reset_port(dev) ||
1093	    local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1094			     (HFA384X_TEST_MONITOR << 8),
1095			     0, NULL, NULL)) {
1096		printk(KERN_DEBUG "Setting monitor mode failed\n");
1097		return -EOPNOTSUPP;
1098	}
1099
1100	return 0;
1101}
1102
1103
1104static int hostap_monitor_mode_disable(local_info_t *local)
1105{
1106	struct net_device *dev = local->ddev;
1107
1108	if (dev == NULL)
1109		return -1;
1110
1111	printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1112	dev->type = ARPHRD_ETHER;
1113
1114	if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1115			     (HFA384X_TEST_STOP << 8),
1116			     0, NULL, NULL))
1117		return -1;
1118	return hostap_set_encryption(local);
1119}
1120
1121
1122static int prism2_ioctl_siwmode(struct net_device *dev,
1123				struct iw_request_info *info,
1124				__u32 *mode, char *extra)
1125{
1126	struct hostap_interface *iface;
1127	local_info_t *local;
1128	int double_reset = 0;
1129
1130	iface = netdev_priv(dev);
1131	local = iface->local;
1132
1133	if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1134	    *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1135	    *mode != IW_MODE_MONITOR)
1136		return -EOPNOTSUPP;
1137
1138#ifdef PRISM2_NO_STATION_MODES
1139	if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1140		return -EOPNOTSUPP;
1141#endif /* PRISM2_NO_STATION_MODES */
1142
1143	if (*mode == local->iw_mode)
1144		return 0;
1145
1146	if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1147		printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1148		       "mode\n", dev->name);
1149		return -EINVAL;
1150	}
1151
1152	if (local->iw_mode == IW_MODE_MONITOR)
1153		hostap_monitor_mode_disable(local);
1154
1155	if ((local->iw_mode == IW_MODE_ADHOC ||
1156	     local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1157		/* There seems to be a firmware bug in at least STA f/w v1.5.6
1158		 * that leaves beacon frames to use IBSS type when moving from
1159		 * IBSS to Host AP mode. Doing double Port0 reset seems to be
1160		 * enough to workaround this. */
1161		double_reset = 1;
1162	}
1163
1164	printk(KERN_DEBUG "prism2: %s: operating mode changed "
1165	       "%d -> %d\n", dev->name, local->iw_mode, *mode);
1166	local->iw_mode = *mode;
1167
1168	if (local->iw_mode == IW_MODE_MONITOR)
1169		hostap_monitor_mode_enable(local);
1170	else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1171		 !local->fw_encrypt_ok) {
1172		printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1173		       "a workaround for firmware bug in Host AP mode WEP\n",
1174		       dev->name);
1175		local->host_encrypt = 1;
1176	}
1177
1178	if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1179			    hostap_get_porttype(local)))
1180		return -EOPNOTSUPP;
1181
1182	if (local->func->reset_port(dev))
1183		return -EINVAL;
1184	if (double_reset && local->func->reset_port(dev))
1185		return -EINVAL;
1186
1187	if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1188	{
1189		/* netif_carrier is used only in client modes for now, so make
1190		 * sure carrier is on when moving to non-client modes. */
1191		netif_carrier_on(local->dev);
1192		netif_carrier_on(local->ddev);
1193	}
1194	return 0;
1195}
1196
1197
1198static int prism2_ioctl_giwmode(struct net_device *dev,
1199				struct iw_request_info *info,
1200				__u32 *mode, char *extra)
1201{
1202	struct hostap_interface *iface;
1203	local_info_t *local;
1204
1205	iface = netdev_priv(dev);
1206	local = iface->local;
1207
1208	switch (iface->type) {
1209	case HOSTAP_INTERFACE_STA:
1210		*mode = IW_MODE_INFRA;
1211		break;
1212	case HOSTAP_INTERFACE_WDS:
1213		*mode = IW_MODE_REPEAT;
1214		break;
1215	default:
1216		*mode = local->iw_mode;
1217		break;
1218	}
1219	return 0;
1220}
1221
1222
1223static int prism2_ioctl_siwpower(struct net_device *dev,
1224				 struct iw_request_info *info,
1225				 struct iw_param *wrq, char *extra)
1226{
1227#ifdef PRISM2_NO_STATION_MODES
1228	return -EOPNOTSUPP;
1229#else /* PRISM2_NO_STATION_MODES */
1230	int ret = 0;
1231
1232	if (wrq->disabled)
1233		return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1234
1235	switch (wrq->flags & IW_POWER_MODE) {
1236	case IW_POWER_UNICAST_R:
1237		ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1238		if (ret)
1239			return ret;
1240		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1241		if (ret)
1242			return ret;
1243		break;
1244	case IW_POWER_ALL_R:
1245		ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1246		if (ret)
1247			return ret;
1248		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1249		if (ret)
1250			return ret;
1251		break;
1252	case IW_POWER_ON:
1253		break;
1254	default:
1255		return -EINVAL;
1256	}
1257
1258	if (wrq->flags & IW_POWER_TIMEOUT) {
1259		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1260		if (ret)
1261			return ret;
1262		ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1263				      wrq->value / 1024);
1264		if (ret)
1265			return ret;
1266	}
1267	if (wrq->flags & IW_POWER_PERIOD) {
1268		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1269		if (ret)
1270			return ret;
1271		ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1272				      wrq->value / 1024);
1273		if (ret)
1274			return ret;
1275	}
1276
1277	return ret;
1278#endif /* PRISM2_NO_STATION_MODES */
1279}
1280
1281
1282static int prism2_ioctl_giwpower(struct net_device *dev,
1283				 struct iw_request_info *info,
1284				 struct iw_param *rrq, char *extra)
1285{
1286#ifdef PRISM2_NO_STATION_MODES
1287	return -EOPNOTSUPP;
1288#else /* PRISM2_NO_STATION_MODES */
1289	struct hostap_interface *iface;
1290	local_info_t *local;
1291	__le16 enable, mcast;
1292
1293	iface = netdev_priv(dev);
1294	local = iface->local;
1295
1296	if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1297	    < 0)
1298		return -EINVAL;
1299
1300	if (!le16_to_cpu(enable)) {
1301		rrq->disabled = 1;
1302		return 0;
1303	}
1304
1305	rrq->disabled = 0;
1306
1307	if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1308		__le16 timeout;
1309		if (local->func->get_rid(dev,
1310					 HFA384X_RID_CNFPMHOLDOVERDURATION,
1311					 &timeout, 2, 1) < 0)
1312			return -EINVAL;
1313
1314		rrq->flags = IW_POWER_TIMEOUT;
1315		rrq->value = le16_to_cpu(timeout) * 1024;
1316	} else {
1317		__le16 period;
1318		if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1319					 &period, 2, 1) < 0)
1320			return -EINVAL;
1321
1322		rrq->flags = IW_POWER_PERIOD;
1323		rrq->value = le16_to_cpu(period) * 1024;
1324	}
1325
1326	if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1327				 2, 1) < 0)
1328		return -EINVAL;
1329
1330	if (le16_to_cpu(mcast))
1331		rrq->flags |= IW_POWER_ALL_R;
1332	else
1333		rrq->flags |= IW_POWER_UNICAST_R;
1334
1335	return 0;
1336#endif /* PRISM2_NO_STATION_MODES */
1337}
1338
1339
1340static int prism2_ioctl_siwretry(struct net_device *dev,
1341				 struct iw_request_info *info,
1342				 struct iw_param *rrq, char *extra)
1343{
1344	struct hostap_interface *iface;
1345	local_info_t *local;
1346
1347	iface = netdev_priv(dev);
1348	local = iface->local;
1349
1350	if (rrq->disabled)
1351		return -EINVAL;
1352
1353	/* setting retry limits is not supported with the current station
1354	 * firmware code; simulate this with alternative retry count for now */
1355	if (rrq->flags == IW_RETRY_LIMIT) {
1356		if (rrq->value < 0) {
1357			/* disable manual retry count setting and use firmware
1358			 * defaults */
1359			local->manual_retry_count = -1;
1360			local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1361		} else {
1362			if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1363					    rrq->value)) {
1364				printk(KERN_DEBUG "%s: Alternate retry count "
1365				       "setting to %d failed\n",
1366				       dev->name, rrq->value);
1367				return -EOPNOTSUPP;
1368			}
1369
1370			local->manual_retry_count = rrq->value;
1371			local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1372		}
1373		return 0;
1374	}
1375
1376	return -EOPNOTSUPP;
1377
1378#if 0
1379	/* what could be done, if firmware would support this.. */
1380
1381	if (rrq->flags & IW_RETRY_LIMIT) {
1382		if (rrq->flags & IW_RETRY_LONG)
1383			HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1384		else if (rrq->flags & IW_RETRY_SHORT)
1385			HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1386		else {
1387			HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1388			HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1389		}
1390
1391	}
1392
1393	if (rrq->flags & IW_RETRY_LIFETIME) {
1394		HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1395	}
1396
1397	return 0;
1398#endif /* 0 */
1399}
1400
1401static int prism2_ioctl_giwretry(struct net_device *dev,
1402				 struct iw_request_info *info,
1403				 struct iw_param *rrq, char *extra)
1404{
1405	struct hostap_interface *iface;
1406	local_info_t *local;
1407	__le16 shortretry, longretry, lifetime, altretry;
1408
1409	iface = netdev_priv(dev);
1410	local = iface->local;
1411
1412	if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1413				 2, 1) < 0 ||
1414	    local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1415				 2, 1) < 0 ||
1416	    local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1417				 &lifetime, 2, 1) < 0)
1418		return -EINVAL;
1419
1420	rrq->disabled = 0;
1421
1422	if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1423		rrq->flags = IW_RETRY_LIFETIME;
1424		rrq->value = le16_to_cpu(lifetime) * 1024;
1425	} else {
1426		if (local->manual_retry_count >= 0) {
1427			rrq->flags = IW_RETRY_LIMIT;
1428			if (local->func->get_rid(dev,
1429						 HFA384X_RID_CNFALTRETRYCOUNT,
1430						 &altretry, 2, 1) >= 0)
1431				rrq->value = le16_to_cpu(altretry);
1432			else
1433				rrq->value = local->manual_retry_count;
1434		} else if ((rrq->flags & IW_RETRY_LONG)) {
1435			rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1436			rrq->value = le16_to_cpu(longretry);
1437		} else {
1438			rrq->flags = IW_RETRY_LIMIT;
1439			rrq->value = le16_to_cpu(shortretry);
1440			if (shortretry != longretry)
1441				rrq->flags |= IW_RETRY_SHORT;
1442		}
1443	}
1444	return 0;
1445}
1446
1447
1448/* Note! This TX power controlling is experimental and should not be used in
1449 * production use. It just sets raw power register and does not use any kind of
1450 * feedback information from the measured TX power (CR58). This is now
1451 * commented out to make sure that it is not used by accident. TX power
1452 * configuration will be enabled again after proper algorithm using feedback
1453 * has been implemented. */
1454
1455#ifdef RAW_TXPOWER_SETTING
1456/* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1457 * This version assumes following mapping:
1458 * CR31 is 7-bit value with -64 to +63 range.
1459 * -64 is mapped into +20dBm and +63 into -43dBm.
1460 * This is certainly not an exact mapping for every card, but at least
1461 * increasing dBm value should correspond to increasing TX power.
1462 */
1463
1464static int prism2_txpower_hfa386x_to_dBm(u16 val)
1465{
1466	signed char tmp;
1467
1468	if (val > 255)
1469		val = 255;
1470
1471	tmp = val;
1472	tmp >>= 2;
1473
1474	return -12 - tmp;
1475}
1476
1477static u16 prism2_txpower_dBm_to_hfa386x(int val)
1478{
1479	signed char tmp;
1480
1481	if (val > 20)
1482		return 128;
1483	else if (val < -43)
1484		return 127;
1485
1486	tmp = val;
1487	tmp = -12 - tmp;
1488	tmp <<= 2;
1489
1490	return (unsigned char) tmp;
1491}
1492#endif /* RAW_TXPOWER_SETTING */
1493
1494
1495static int prism2_ioctl_siwtxpow(struct net_device *dev,
1496				 struct iw_request_info *info,
1497				 struct iw_param *rrq, char *extra)
1498{
1499	struct hostap_interface *iface;
1500	local_info_t *local;
1501#ifdef RAW_TXPOWER_SETTING
1502	char *tmp;
1503#endif
1504	u16 val;
1505	int ret = 0;
1506
1507	iface = netdev_priv(dev);
1508	local = iface->local;
1509
1510	if (rrq->disabled) {
1511		if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1512			val = 0xff; /* use all standby and sleep modes */
1513			ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1514					       HFA386X_CR_A_D_TEST_MODES2,
1515					       &val, NULL);
1516			printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1517			       dev->name, ret ? "failed" : "OK");
1518			local->txpower_type = PRISM2_TXPOWER_OFF;
1519		}
1520		return (ret ? -EOPNOTSUPP : 0);
1521	}
1522
1523	if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1524		val = 0; /* disable all standby and sleep modes */
1525		ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1526				       HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1527		printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1528		       dev->name, ret ? "failed" : "OK");
1529		local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1530	}
1531
1532#ifdef RAW_TXPOWER_SETTING
1533	if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1534		printk(KERN_DEBUG "Setting ALC on\n");
1535		val = HFA384X_TEST_CFG_BIT_ALC;
1536		local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1537				 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1538		local->txpower_type = PRISM2_TXPOWER_AUTO;
1539		return 0;
1540	}
1541
1542	if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1543		printk(KERN_DEBUG "Setting ALC off\n");
1544		val = HFA384X_TEST_CFG_BIT_ALC;
1545		local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1546				 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1547			local->txpower_type = PRISM2_TXPOWER_FIXED;
1548	}
1549
1550	if (rrq->flags == IW_TXPOW_DBM)
1551		tmp = "dBm";
1552	else if (rrq->flags == IW_TXPOW_MWATT)
1553		tmp = "mW";
1554	else
1555		tmp = "UNKNOWN";
1556	printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1557
1558	if (rrq->flags != IW_TXPOW_DBM) {
1559		printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1560		return -EOPNOTSUPP;
1561	}
1562
1563	local->txpower = rrq->value;
1564	val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1565	if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1566			     HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1567		ret = -EOPNOTSUPP;
1568#else /* RAW_TXPOWER_SETTING */
1569	if (rrq->fixed)
1570		ret = -EOPNOTSUPP;
1571#endif /* RAW_TXPOWER_SETTING */
1572
1573	return ret;
1574}
1575
1576static int prism2_ioctl_giwtxpow(struct net_device *dev,
1577				 struct iw_request_info *info,
1578				 struct iw_param *rrq, char *extra)
1579{
1580#ifdef RAW_TXPOWER_SETTING
1581	struct hostap_interface *iface;
1582	local_info_t *local;
1583	u16 resp0;
1584
1585	iface = netdev_priv(dev);
1586	local = iface->local;
1587
1588	rrq->flags = IW_TXPOW_DBM;
1589	rrq->disabled = 0;
1590	rrq->fixed = 0;
1591
1592	if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1593		if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1594				     HFA386X_CR_MANUAL_TX_POWER,
1595				     NULL, &resp0) == 0) {
1596			rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1597		} else {
1598			/* Could not get real txpower; guess 15 dBm */
1599			rrq->value = 15;
1600		}
1601	} else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1602		rrq->value = 0;
1603		rrq->disabled = 1;
1604	} else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1605		rrq->value = local->txpower;
1606		rrq->fixed = 1;
1607	} else {
1608		printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1609		       local->txpower_type);
1610	}
1611	return 0;
1612#else /* RAW_TXPOWER_SETTING */
1613	return -EOPNOTSUPP;
1614#endif /* RAW_TXPOWER_SETTING */
1615}
1616
1617
1618#ifndef PRISM2_NO_STATION_MODES
1619
1620/* HostScan request works with and without host_roaming mode. In addition, it
1621 * does not break current association. However, it requires newer station
1622 * firmware version (>= 1.3.1) than scan request. */
1623static int prism2_request_hostscan(struct net_device *dev,
1624				   u8 *ssid, u8 ssid_len)
1625{
1626	struct hostap_interface *iface;
1627	local_info_t *local;
1628	struct hfa384x_hostscan_request scan_req;
1629
1630	iface = netdev_priv(dev);
1631	local = iface->local;
1632
1633	memset(&scan_req, 0, sizeof(scan_req));
1634	scan_req.channel_list = cpu_to_le16(local->channel_mask &
1635					    local->scan_channel_mask);
1636	scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1637	if (ssid) {
1638		if (ssid_len > 32)
1639			return -EINVAL;
1640		scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1641		memcpy(scan_req.target_ssid, ssid, ssid_len);
1642	}
1643
1644	if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1645				 sizeof(scan_req))) {
1646		printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1647		return -EINVAL;
1648	}
1649	return 0;
1650}
1651
1652
1653static int prism2_request_scan(struct net_device *dev)
1654{
1655	struct hostap_interface *iface;
1656	local_info_t *local;
1657	struct hfa384x_scan_request scan_req;
1658	int ret = 0;
1659
1660	iface = netdev_priv(dev);
1661	local = iface->local;
1662
1663	memset(&scan_req, 0, sizeof(scan_req));
1664	scan_req.channel_list = cpu_to_le16(local->channel_mask &
1665					    local->scan_channel_mask);
1666	scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1667
1668	/* FIX:
1669	 * It seems to be enough to set roaming mode for a short moment to
1670	 * host-based and then setup scanrequest data and return the mode to
1671	 * firmware-based.
1672	 *
1673	 * Master mode would need to drop to Managed mode for a short while
1674	 * to make scanning work.. Or sweep through the different channels and
1675	 * use passive scan based on beacons. */
1676
1677	if (!local->host_roaming)
1678		hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1679				HFA384X_ROAMING_HOST);
1680
1681	if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1682				 sizeof(scan_req))) {
1683		printk(KERN_DEBUG "SCANREQUEST failed\n");
1684		ret = -EINVAL;
1685	}
1686
1687	if (!local->host_roaming)
1688		hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1689				HFA384X_ROAMING_FIRMWARE);
1690
1691	return ret;
1692}
1693
1694#else /* !PRISM2_NO_STATION_MODES */
1695
1696static inline int prism2_request_hostscan(struct net_device *dev,
1697					  u8 *ssid, u8 ssid_len)
1698{
1699	return -EOPNOTSUPP;
1700}
1701
1702
1703static inline int prism2_request_scan(struct net_device *dev)
1704{
1705	return -EOPNOTSUPP;
1706}
1707
1708#endif /* !PRISM2_NO_STATION_MODES */
1709
1710
1711static int prism2_ioctl_siwscan(struct net_device *dev,
1712				struct iw_request_info *info,
1713				struct iw_point *data, char *extra)
1714{
1715	struct hostap_interface *iface;
1716	local_info_t *local;
1717	int ret;
1718	u8 *ssid = NULL, ssid_len = 0;
1719	struct iw_scan_req *req = (struct iw_scan_req *) extra;
1720
1721	iface = netdev_priv(dev);
1722	local = iface->local;
1723
1724	if (data->length < sizeof(struct iw_scan_req))
1725		req = NULL;
1726
1727	if (local->iw_mode == IW_MODE_MASTER) {
1728		/* In master mode, we just return the results of our local
1729		 * tables, so we don't need to start anything...
1730		 * Jean II */
1731		data->length = 0;
1732		return 0;
1733	}
1734
1735	if (!local->dev_enabled)
1736		return -ENETDOWN;
1737
1738	if (req && data->flags & IW_SCAN_THIS_ESSID) {
1739		ssid = req->essid;
1740		ssid_len = req->essid_len;
1741
1742		if (ssid_len &&
1743		    ((local->iw_mode != IW_MODE_INFRA &&
1744		      local->iw_mode != IW_MODE_ADHOC) ||
1745		     (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1746			return -EOPNOTSUPP;
1747	}
1748
1749	if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1750		ret = prism2_request_hostscan(dev, ssid, ssid_len);
1751	else
1752		ret = prism2_request_scan(dev);
1753
1754	if (ret == 0)
1755		local->scan_timestamp = jiffies;
1756
1757	/* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1758
1759	return ret;
1760}
1761
1762
1763#ifndef PRISM2_NO_STATION_MODES
1764static char * __prism2_translate_scan(local_info_t *local,
1765				      struct iw_request_info *info,
1766				      struct hfa384x_hostscan_result *scan,
1767				      struct hostap_bss_info *bss,
1768				      char *current_ev, char *end_buf)
1769{
1770	int i, chan;
1771	struct iw_event iwe;
1772	char *current_val;
1773	u16 capabilities;
1774	u8 *pos;
1775	u8 *ssid, *bssid;
1776	size_t ssid_len;
1777	char *buf;
1778
1779	if (bss) {
1780		ssid = bss->ssid;
1781		ssid_len = bss->ssid_len;
1782		bssid = bss->bssid;
1783	} else {
1784		ssid = scan->ssid;
1785		ssid_len = le16_to_cpu(scan->ssid_len);
1786		bssid = scan->bssid;
1787	}
1788	if (ssid_len > 32)
1789		ssid_len = 32;
1790
1791	/* First entry *MUST* be the AP MAC address */
1792	memset(&iwe, 0, sizeof(iwe));
1793	iwe.cmd = SIOCGIWAP;
1794	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1795	memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1796	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1797					  IW_EV_ADDR_LEN);
1798
1799	/* Other entries will be displayed in the order we give them */
1800
1801	memset(&iwe, 0, sizeof(iwe));
1802	iwe.cmd = SIOCGIWESSID;
1803	iwe.u.data.length = ssid_len;
1804	iwe.u.data.flags = 1;
1805	current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1806					  &iwe, ssid);
1807
1808	memset(&iwe, 0, sizeof(iwe));
1809	iwe.cmd = SIOCGIWMODE;
1810	if (bss) {
1811		capabilities = bss->capab_info;
1812	} else {
1813		capabilities = le16_to_cpu(scan->capability);
1814	}
1815	if (capabilities & (WLAN_CAPABILITY_ESS |
1816			    WLAN_CAPABILITY_IBSS)) {
1817		if (capabilities & WLAN_CAPABILITY_ESS)
1818			iwe.u.mode = IW_MODE_MASTER;
1819		else
1820			iwe.u.mode = IW_MODE_ADHOC;
1821		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1822						  &iwe, IW_EV_UINT_LEN);
1823	}
1824
1825	memset(&iwe, 0, sizeof(iwe));
1826	iwe.cmd = SIOCGIWFREQ;
1827	if (scan) {
1828		chan = le16_to_cpu(scan->chid);
1829	} else if (bss) {
1830		chan = bss->chan;
1831	} else {
1832		chan = 0;
1833	}
1834
1835	if (chan > 0) {
1836		iwe.u.freq.m = freq_list[chan - 1] * 100000;
1837		iwe.u.freq.e = 1;
1838		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1839						  &iwe, IW_EV_FREQ_LEN);
1840	}
1841
1842	if (scan) {
1843		memset(&iwe, 0, sizeof(iwe));
1844		iwe.cmd = IWEVQUAL;
1845		if (local->last_scan_type == PRISM2_HOSTSCAN) {
1846			iwe.u.qual.level = le16_to_cpu(scan->sl);
1847			iwe.u.qual.noise = le16_to_cpu(scan->anl);
1848		} else {
1849			iwe.u.qual.level =
1850				HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1851			iwe.u.qual.noise =
1852				HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1853		}
1854		iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1855			| IW_QUAL_NOISE_UPDATED
1856			| IW_QUAL_QUAL_INVALID
1857			| IW_QUAL_DBM;
1858		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1859						  &iwe, IW_EV_QUAL_LEN);
1860	}
1861
1862	memset(&iwe, 0, sizeof(iwe));
1863	iwe.cmd = SIOCGIWENCODE;
1864	if (capabilities & WLAN_CAPABILITY_PRIVACY)
1865		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1866	else
1867		iwe.u.data.flags = IW_ENCODE_DISABLED;
1868	iwe.u.data.length = 0;
1869	current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1870
1871	/* TODO: add SuppRates into BSS table */
1872	if (scan) {
1873		memset(&iwe, 0, sizeof(iwe));
1874		iwe.cmd = SIOCGIWRATE;
1875		current_val = current_ev + iwe_stream_lcp_len(info);
1876		pos = scan->sup_rates;
1877		for (i = 0; i < sizeof(scan->sup_rates); i++) {
1878			if (pos[i] == 0)
1879				break;
1880			/* Bit rate given in 500 kb/s units (+ 0x80) */
1881			iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1882			current_val = iwe_stream_add_value(
1883				info, current_ev, current_val, end_buf, &iwe,
1884				IW_EV_PARAM_LEN);
1885		}
1886		/* Check if we added any event */
1887		if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1888			current_ev = current_val;
1889	}
1890
1891	/* TODO: add BeaconInt,resp_rate,atim into BSS table */
1892	buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1893	if (buf && scan) {
1894		memset(&iwe, 0, sizeof(iwe));
1895		iwe.cmd = IWEVCUSTOM;
1896		sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1897		iwe.u.data.length = strlen(buf);
1898		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1899						  &iwe, buf);
1900
1901		memset(&iwe, 0, sizeof(iwe));
1902		iwe.cmd = IWEVCUSTOM;
1903		sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1904		iwe.u.data.length = strlen(buf);
1905		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1906						  &iwe, buf);
1907
1908		if (local->last_scan_type == PRISM2_HOSTSCAN &&
1909		    (capabilities & WLAN_CAPABILITY_IBSS)) {
1910			memset(&iwe, 0, sizeof(iwe));
1911			iwe.cmd = IWEVCUSTOM;
1912			sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1913			iwe.u.data.length = strlen(buf);
1914			current_ev = iwe_stream_add_point(info, current_ev,
1915							  end_buf, &iwe, buf);
1916		}
1917	}
1918	kfree(buf);
1919
1920	if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1921		memset(&iwe, 0, sizeof(iwe));
1922		iwe.cmd = IWEVGENIE;
1923		iwe.u.data.length = bss->wpa_ie_len;
1924		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1925						  &iwe, bss->wpa_ie);
1926	}
1927
1928	if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1929		memset(&iwe, 0, sizeof(iwe));
1930		iwe.cmd = IWEVGENIE;
1931		iwe.u.data.length = bss->rsn_ie_len;
1932		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1933						  &iwe, bss->rsn_ie);
1934	}
1935
1936	return current_ev;
1937}
1938
1939
1940/* Translate scan data returned from the card to a card independent
1941 * format that the Wireless Tools will understand - Jean II */
1942static inline int prism2_translate_scan(local_info_t *local,
1943					struct iw_request_info *info,
1944					char *buffer, int buflen)
1945{
1946	struct hfa384x_hostscan_result *scan;
1947	int entry;
1948	char *current_ev = buffer;
1949	char *end_buf = buffer + buflen;
1950	struct list_head *ptr;
1951
1952	spin_lock_bh(&local->lock);
1953
1954	list_for_each(ptr, &local->bss_list) {
1955		struct hostap_bss_info *bss;
1956		bss = list_entry(ptr, struct hostap_bss_info, list);
1957		bss->included = 0;
1958	}
1959
1960	for (entry = 0; entry < local->last_scan_results_count; entry++) {
1961		int found = 0;
1962		scan = &local->last_scan_results[entry];
1963
1964		/* Report every SSID if the AP is using multiple SSIDs. If no
1965		 * BSS record is found (e.g., when WPA mode is disabled),
1966		 * report the AP once. */
1967		list_for_each(ptr, &local->bss_list) {
1968			struct hostap_bss_info *bss;
1969			bss = list_entry(ptr, struct hostap_bss_info, list);
1970			if (ether_addr_equal(bss->bssid, scan->bssid)) {
1971				bss->included = 1;
1972				current_ev = __prism2_translate_scan(
1973					local, info, scan, bss, current_ev,
1974					end_buf);
1975				found++;
1976			}
1977		}
1978		if (!found) {
1979			current_ev = __prism2_translate_scan(
1980				local, info, scan, NULL, current_ev, end_buf);
1981		}
1982		/* Check if there is space for one more entry */
1983		if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
1984			/* Ask user space to try again with a bigger buffer */
1985			spin_unlock_bh(&local->lock);
1986			return -E2BIG;
1987		}
1988	}
1989
1990	/* Prism2 firmware has limits (32 at least in some versions) for number
1991	 * of BSSes in scan results. Extend this limit by using local BSS list.
1992	 */
1993	list_for_each(ptr, &local->bss_list) {
1994		struct hostap_bss_info *bss;
1995		bss = list_entry(ptr, struct hostap_bss_info, list);
1996		if (bss->included)
1997			continue;
1998		current_ev = __prism2_translate_scan(local, info, NULL, bss,
1999						     current_ev, end_buf);
2000		/* Check if there is space for one more entry */
2001		if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2002			/* Ask user space to try again with a bigger buffer */
2003			spin_unlock_bh(&local->lock);
2004			return -E2BIG;
2005		}
2006	}
2007
2008	spin_unlock_bh(&local->lock);
2009
2010	return current_ev - buffer;
2011}
2012#endif /* PRISM2_NO_STATION_MODES */
2013
2014
2015static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2016					   struct iw_request_info *info,
2017					   struct iw_point *data, char *extra)
2018{
2019#ifdef PRISM2_NO_STATION_MODES
2020	return -EOPNOTSUPP;
2021#else /* PRISM2_NO_STATION_MODES */
2022	struct hostap_interface *iface;
2023	local_info_t *local;
2024	int res;
2025
2026	iface = netdev_priv(dev);
2027	local = iface->local;
2028
2029	/* Wait until the scan is finished. We can probably do better
2030	 * than that - Jean II */
2031	if (local->scan_timestamp &&
2032	    time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2033		/* Important note : we don't want to block the caller
2034		 * until results are ready for various reasons.
2035		 * First, managing wait queues is complex and racy
2036		 * (there may be multiple simultaneous callers).
2037		 * Second, we grab some rtnetlink lock before coming
2038		 * here (in dev_ioctl()).
2039		 * Third, the caller can wait on the Wireless Event
2040		 * - Jean II */
2041		return -EAGAIN;
2042	}
2043	local->scan_timestamp = 0;
2044
2045	res = prism2_translate_scan(local, info, extra, data->length);
2046
2047	if (res >= 0) {
2048		data->length = res;
2049		return 0;
2050	} else {
2051		data->length = 0;
2052		return res;
2053	}
2054#endif /* PRISM2_NO_STATION_MODES */
2055}
2056
2057
2058static int prism2_ioctl_giwscan(struct net_device *dev,
2059				struct iw_request_info *info,
2060				struct iw_point *data, char *extra)
2061{
2062	struct hostap_interface *iface;
2063	local_info_t *local;
2064	int res;
2065
2066	iface = netdev_priv(dev);
2067	local = iface->local;
2068
2069	if (local->iw_mode == IW_MODE_MASTER) {
2070		/* In MASTER mode, it doesn't make sense to go around
2071		 * scanning the frequencies and make the stations we serve
2072		 * wait when what the user is really interested about is the
2073		 * list of stations and access points we are talking to.
2074		 * So, just extract results from our cache...
2075		 * Jean II */
2076
2077		/* Translate to WE format */
2078		res = prism2_ap_translate_scan(dev, info, extra);
2079		if (res >= 0) {
2080			printk(KERN_DEBUG "Scan result translation succeeded "
2081			       "(length=%d)\n", res);
2082			data->length = res;
2083			return 0;
2084		} else {
2085			printk(KERN_DEBUG
2086			       "Scan result translation failed (res=%d)\n",
2087			       res);
2088			data->length = 0;
2089			return res;
2090		}
2091	} else {
2092		/* Station mode */
2093		return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2094	}
2095}
2096
2097
2098static const struct iw_priv_args prism2_priv[] = {
2099	{ PRISM2_IOCTL_MONITOR,
2100	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2101	{ PRISM2_IOCTL_READMIF,
2102	  IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2103	  IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2104	{ PRISM2_IOCTL_WRITEMIF,
2105	  IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2106	{ PRISM2_IOCTL_RESET,
2107	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2108	{ PRISM2_IOCTL_INQUIRE,
2109	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2110	{ PRISM2_IOCTL_SET_RID_WORD,
2111	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2112	{ PRISM2_IOCTL_MACCMD,
2113	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2114	{ PRISM2_IOCTL_WDS_ADD,
2115	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2116	{ PRISM2_IOCTL_WDS_DEL,
2117	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2118	{ PRISM2_IOCTL_ADDMAC,
2119	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2120	{ PRISM2_IOCTL_DELMAC,
2121	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2122	{ PRISM2_IOCTL_KICKMAC,
2123	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2124	/* --- raw access to sub-ioctls --- */
2125	{ PRISM2_IOCTL_PRISM2_PARAM,
2126	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2127	{ PRISM2_IOCTL_GET_PRISM2_PARAM,
2128	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2129	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2130	/* --- sub-ioctls handlers --- */
2131	{ PRISM2_IOCTL_PRISM2_PARAM,
2132	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2133	{ PRISM2_IOCTL_GET_PRISM2_PARAM,
2134	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2135	/* --- sub-ioctls definitions --- */
2136	{ PRISM2_PARAM_TXRATECTRL,
2137	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2138	{ PRISM2_PARAM_TXRATECTRL,
2139	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2140	{ PRISM2_PARAM_BEACON_INT,
2141	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2142	{ PRISM2_PARAM_BEACON_INT,
2143	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2144#ifndef PRISM2_NO_STATION_MODES
2145	{ PRISM2_PARAM_PSEUDO_IBSS,
2146	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2147	{ PRISM2_PARAM_PSEUDO_IBSS,
2148	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2149#endif /* PRISM2_NO_STATION_MODES */
2150	{ PRISM2_PARAM_ALC,
2151	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2152	{ PRISM2_PARAM_ALC,
2153	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2154	{ PRISM2_PARAM_DUMP,
2155	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2156	{ PRISM2_PARAM_DUMP,
2157	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2158	{ PRISM2_PARAM_OTHER_AP_POLICY,
2159	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2160	{ PRISM2_PARAM_OTHER_AP_POLICY,
2161	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2162	{ PRISM2_PARAM_AP_MAX_INACTIVITY,
2163	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2164	{ PRISM2_PARAM_AP_MAX_INACTIVITY,
2165	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2166	{ PRISM2_PARAM_AP_BRIDGE_PACKETS,
2167	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2168	{ PRISM2_PARAM_AP_BRIDGE_PACKETS,
2169	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2170	{ PRISM2_PARAM_DTIM_PERIOD,
2171	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2172	{ PRISM2_PARAM_DTIM_PERIOD,
2173	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2174	{ PRISM2_PARAM_AP_NULLFUNC_ACK,
2175	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2176	{ PRISM2_PARAM_AP_NULLFUNC_ACK,
2177	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2178	{ PRISM2_PARAM_MAX_WDS,
2179	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2180	{ PRISM2_PARAM_MAX_WDS,
2181	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2182	{ PRISM2_PARAM_AP_AUTOM_AP_WDS,
2183	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2184	{ PRISM2_PARAM_AP_AUTOM_AP_WDS,
2185	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2186	{ PRISM2_PARAM_AP_AUTH_ALGS,
2187	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2188	{ PRISM2_PARAM_AP_AUTH_ALGS,
2189	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2190	{ PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2191	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2192	{ PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2193	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2194	{ PRISM2_PARAM_HOST_ENCRYPT,
2195	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2196	{ PRISM2_PARAM_HOST_ENCRYPT,
2197	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2198	{ PRISM2_PARAM_HOST_DECRYPT,
2199	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2200	{ PRISM2_PARAM_HOST_DECRYPT,
2201	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2202#ifndef PRISM2_NO_STATION_MODES
2203	{ PRISM2_PARAM_HOST_ROAMING,
2204	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2205	{ PRISM2_PARAM_HOST_ROAMING,
2206	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2207#endif /* PRISM2_NO_STATION_MODES */
2208	{ PRISM2_PARAM_BCRX_STA_KEY,
2209	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2210	{ PRISM2_PARAM_BCRX_STA_KEY,
2211	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2212	{ PRISM2_PARAM_IEEE_802_1X,
2213	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2214	{ PRISM2_PARAM_IEEE_802_1X,
2215	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2216	{ PRISM2_PARAM_ANTSEL_TX,
2217	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2218	{ PRISM2_PARAM_ANTSEL_TX,
2219	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2220	{ PRISM2_PARAM_ANTSEL_RX,
2221	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2222	{ PRISM2_PARAM_ANTSEL_RX,
2223	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2224	{ PRISM2_PARAM_MONITOR_TYPE,
2225	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2226	{ PRISM2_PARAM_MONITOR_TYPE,
2227	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2228	{ PRISM2_PARAM_WDS_TYPE,
2229	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2230	{ PRISM2_PARAM_WDS_TYPE,
2231	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2232	{ PRISM2_PARAM_HOSTSCAN,
2233	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2234	{ PRISM2_PARAM_HOSTSCAN,
2235	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2236	{ PRISM2_PARAM_AP_SCAN,
2237	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2238	{ PRISM2_PARAM_AP_SCAN,
2239	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2240	{ PRISM2_PARAM_ENH_SEC,
2241	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2242	{ PRISM2_PARAM_ENH_SEC,
2243	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2244#ifdef PRISM2_IO_DEBUG
2245	{ PRISM2_PARAM_IO_DEBUG,
2246	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2247	{ PRISM2_PARAM_IO_DEBUG,
2248	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2249#endif /* PRISM2_IO_DEBUG */
2250	{ PRISM2_PARAM_BASIC_RATES,
2251	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2252	{ PRISM2_PARAM_BASIC_RATES,
2253	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2254	{ PRISM2_PARAM_OPER_RATES,
2255	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2256	{ PRISM2_PARAM_OPER_RATES,
2257	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2258	{ PRISM2_PARAM_HOSTAPD,
2259	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2260	{ PRISM2_PARAM_HOSTAPD,
2261	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2262	{ PRISM2_PARAM_HOSTAPD_STA,
2263	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2264	{ PRISM2_PARAM_HOSTAPD_STA,
2265	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2266	{ PRISM2_PARAM_WPA,
2267	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2268	{ PRISM2_PARAM_WPA,
2269	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2270	{ PRISM2_PARAM_PRIVACY_INVOKED,
2271	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2272	{ PRISM2_PARAM_PRIVACY_INVOKED,
2273	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2274	{ PRISM2_PARAM_TKIP_COUNTERMEASURES,
2275	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2276	{ PRISM2_PARAM_TKIP_COUNTERMEASURES,
2277	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2278	{ PRISM2_PARAM_DROP_UNENCRYPTED,
2279	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2280	{ PRISM2_PARAM_DROP_UNENCRYPTED,
2281	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2282	{ PRISM2_PARAM_SCAN_CHANNEL_MASK,
2283	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2284	{ PRISM2_PARAM_SCAN_CHANNEL_MASK,
2285	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2286};
2287
2288
2289static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2290{
2291	struct hostap_interface *iface;
2292	local_info_t *local;
2293
2294	iface = netdev_priv(dev);
2295	local = iface->local;
2296
2297	if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2298		return -EOPNOTSUPP;
2299
2300	return 0;
2301}
2302
2303
2304static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2305					  struct iw_request_info *info,
2306					  void *wrqu, char *extra)
2307{
2308	struct hostap_interface *iface;
2309	local_info_t *local;
2310	int *i = (int *) extra;
2311	int param = *i;
2312	int value = *(i + 1);
2313	int ret = 0;
2314	u16 val;
2315
2316	iface = netdev_priv(dev);
2317	local = iface->local;
2318
2319	switch (param) {
2320	case PRISM2_PARAM_TXRATECTRL:
2321		local->fw_tx_rate_control = value;
2322		break;
2323
2324	case PRISM2_PARAM_BEACON_INT:
2325		if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2326		    local->func->reset_port(dev))
2327			ret = -EINVAL;
2328		else
2329			local->beacon_int = value;
2330		break;
2331
2332#ifndef PRISM2_NO_STATION_MODES
2333	case PRISM2_PARAM_PSEUDO_IBSS:
2334		if (value == local->pseudo_adhoc)
2335			break;
2336
2337		if (value != 0 && value != 1) {
2338			ret = -EINVAL;
2339			break;
2340		}
2341
2342		printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2343		       dev->name, local->pseudo_adhoc, value);
2344		local->pseudo_adhoc = value;
2345		if (local->iw_mode != IW_MODE_ADHOC)
2346			break;
2347
2348		if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2349				    hostap_get_porttype(local))) {
2350			ret = -EOPNOTSUPP;
2351			break;
2352		}
2353
2354		if (local->func->reset_port(dev))
2355			ret = -EINVAL;
2356		break;
2357#endif /* PRISM2_NO_STATION_MODES */
2358
2359	case PRISM2_PARAM_ALC:
2360		printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2361		       value == 0 ? "Disabling" : "Enabling");
2362		val = HFA384X_TEST_CFG_BIT_ALC;
2363		local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2364				 (HFA384X_TEST_CFG_BITS << 8),
2365				 value == 0 ? 0 : 1, &val, NULL);
2366		break;
2367
2368	case PRISM2_PARAM_DUMP:
2369		local->frame_dump = value;
2370		break;
2371
2372	case PRISM2_PARAM_OTHER_AP_POLICY:
2373		if (value < 0 || value > 3) {
2374			ret = -EINVAL;
2375			break;
2376		}
2377		if (local->ap != NULL)
2378			local->ap->ap_policy = value;
2379		break;
2380
2381	case PRISM2_PARAM_AP_MAX_INACTIVITY:
2382		if (value < 0 || value > 7 * 24 * 60 * 60) {
2383			ret = -EINVAL;
2384			break;
2385		}
2386		if (local->ap != NULL)
2387			local->ap->max_inactivity = value * HZ;
2388		break;
2389
2390	case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2391		if (local->ap != NULL)
2392			local->ap->bridge_packets = value;
2393		break;
2394
2395	case PRISM2_PARAM_DTIM_PERIOD:
2396		if (value < 0 || value > 65535) {
2397			ret = -EINVAL;
2398			break;
2399		}
2400		if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2401		    || local->func->reset_port(dev))
2402			ret = -EINVAL;
2403		else
2404			local->dtim_period = value;
2405		break;
2406
2407	case PRISM2_PARAM_AP_NULLFUNC_ACK:
2408		if (local->ap != NULL)
2409			local->ap->nullfunc_ack = value;
2410		break;
2411
2412	case PRISM2_PARAM_MAX_WDS:
2413		local->wds_max_connections = value;
2414		break;
2415
2416	case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2417		if (local->ap != NULL) {
2418			if (!local->ap->autom_ap_wds && value) {
2419				/* add WDS link to all APs in STA table */
2420				hostap_add_wds_links(local);
2421			}
2422			local->ap->autom_ap_wds = value;
2423		}
2424		break;
2425
2426	case PRISM2_PARAM_AP_AUTH_ALGS:
2427		local->auth_algs = value;
2428		if (hostap_set_auth_algs(local))
2429			ret = -EINVAL;
2430		break;
2431
2432	case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2433		local->monitor_allow_fcserr = value;
2434		break;
2435
2436	case PRISM2_PARAM_HOST_ENCRYPT:
2437		local->host_encrypt = value;
2438		if (hostap_set_encryption(local) ||
2439		    local->func->reset_port(dev))
2440			ret = -EINVAL;
2441		break;
2442
2443	case PRISM2_PARAM_HOST_DECRYPT:
2444		local->host_decrypt = value;
2445		if (hostap_set_encryption(local) ||
2446		    local->func->reset_port(dev))
2447			ret = -EINVAL;
2448		break;
2449
2450#ifndef PRISM2_NO_STATION_MODES
2451	case PRISM2_PARAM_HOST_ROAMING:
2452		if (value < 0 || value > 2) {
2453			ret = -EINVAL;
2454			break;
2455		}
2456		local->host_roaming = value;
2457		if (hostap_set_roaming(local) || local->func->reset_port(dev))
2458			ret = -EINVAL;
2459		break;
2460#endif /* PRISM2_NO_STATION_MODES */
2461
2462	case PRISM2_PARAM_BCRX_STA_KEY:
2463		local->bcrx_sta_key = value;
2464		break;
2465
2466	case PRISM2_PARAM_IEEE_802_1X:
2467		local->ieee_802_1x = value;
2468		break;
2469
2470	case PRISM2_PARAM_ANTSEL_TX:
2471		if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2472			ret = -EINVAL;
2473			break;
2474		}
2475		local->antsel_tx = value;
2476		hostap_set_antsel(local);
2477		break;
2478
2479	case PRISM2_PARAM_ANTSEL_RX:
2480		if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2481			ret = -EINVAL;
2482			break;
2483		}
2484		local->antsel_rx = value;
2485		hostap_set_antsel(local);
2486		break;
2487
2488	case PRISM2_PARAM_MONITOR_TYPE:
2489		if (value != PRISM2_MONITOR_80211 &&
2490		    value != PRISM2_MONITOR_CAPHDR &&
2491		    value != PRISM2_MONITOR_PRISM &&
2492		    value != PRISM2_MONITOR_RADIOTAP) {
2493			ret = -EINVAL;
2494			break;
2495		}
2496		local->monitor_type = value;
2497		if (local->iw_mode == IW_MODE_MONITOR)
2498			hostap_monitor_set_type(local);
2499		break;
2500
2501	case PRISM2_PARAM_WDS_TYPE:
2502		local->wds_type = value;
2503		break;
2504
2505	case PRISM2_PARAM_HOSTSCAN:
2506	{
2507		struct hfa384x_hostscan_request scan_req;
2508		u16 rate;
2509
2510		memset(&scan_req, 0, sizeof(scan_req));
2511		scan_req.channel_list = cpu_to_le16(0x3fff);
2512		switch (value) {
2513		case 1: rate = HFA384X_RATES_1MBPS; break;
2514		case 2: rate = HFA384X_RATES_2MBPS; break;
2515		case 3: rate = HFA384X_RATES_5MBPS; break;
2516		case 4: rate = HFA384X_RATES_11MBPS; break;
2517		default: rate = HFA384X_RATES_1MBPS; break;
2518		}
2519		scan_req.txrate = cpu_to_le16(rate);
2520		/* leave SSID empty to accept all SSIDs */
2521
2522		if (local->iw_mode == IW_MODE_MASTER) {
2523			if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2524					    HFA384X_PORTTYPE_BSS) ||
2525			    local->func->reset_port(dev))
2526				printk(KERN_DEBUG "Leaving Host AP mode "
2527				       "for HostScan failed\n");
2528		}
2529
2530		if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2531					 sizeof(scan_req))) {
2532			printk(KERN_DEBUG "HOSTSCAN failed\n");
2533			ret = -EINVAL;
2534		}
2535		if (local->iw_mode == IW_MODE_MASTER) {
2536			wait_queue_entry_t __wait;
2537			init_waitqueue_entry(&__wait, current);
2538			add_wait_queue(&local->hostscan_wq, &__wait);
2539			set_current_state(TASK_INTERRUPTIBLE);
2540			schedule_timeout(HZ);
2541			if (signal_pending(current))
2542				ret = -EINTR;
2543			set_current_state(TASK_RUNNING);
2544			remove_wait_queue(&local->hostscan_wq, &__wait);
2545
2546			if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2547					    HFA384X_PORTTYPE_HOSTAP) ||
2548			    local->func->reset_port(dev))
2549				printk(KERN_DEBUG "Returning to Host AP mode "
2550				       "after HostScan failed\n");
2551		}
2552		break;
2553	}
2554
2555	case PRISM2_PARAM_AP_SCAN:
2556		local->passive_scan_interval = value;
2557		if (timer_pending(&local->passive_scan_timer))
2558			del_timer(&local->passive_scan_timer);
2559		if (value > 0 && value < INT_MAX / HZ) {
2560			local->passive_scan_timer.expires = jiffies +
2561				local->passive_scan_interval * HZ;
2562			add_timer(&local->passive_scan_timer);
2563		}
2564		break;
2565
2566	case PRISM2_PARAM_ENH_SEC:
2567		if (value < 0 || value > 3) {
2568			ret = -EINVAL;
2569			break;
2570		}
2571		local->enh_sec = value;
2572		if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2573				    local->enh_sec) ||
2574		    local->func->reset_port(dev)) {
2575			printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2576			       "1.6.3 or newer\n", dev->name);
2577			ret = -EOPNOTSUPP;
2578		}
2579		break;
2580
2581#ifdef PRISM2_IO_DEBUG
2582	case PRISM2_PARAM_IO_DEBUG:
2583		local->io_debug_enabled = value;
2584		break;
2585#endif /* PRISM2_IO_DEBUG */
2586
2587	case PRISM2_PARAM_BASIC_RATES:
2588		if ((value & local->tx_rate_control) != value || value == 0) {
2589			printk(KERN_INFO "%s: invalid basic rate set - basic "
2590			       "rates must be in supported rate set\n",
2591			       dev->name);
2592			ret = -EINVAL;
2593			break;
2594		}
2595		local->basic_rates = value;
2596		if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2597				    local->basic_rates) ||
2598		    local->func->reset_port(dev))
2599			ret = -EINVAL;
2600		break;
2601
2602	case PRISM2_PARAM_OPER_RATES:
2603		local->tx_rate_control = value;
2604		if (hostap_set_rate(dev))
2605			ret = -EINVAL;
2606		break;
2607
2608	case PRISM2_PARAM_HOSTAPD:
2609		ret = hostap_set_hostapd(local, value, 1);
2610		break;
2611
2612	case PRISM2_PARAM_HOSTAPD_STA:
2613		ret = hostap_set_hostapd_sta(local, value, 1);
2614		break;
2615
2616	case PRISM2_PARAM_WPA:
2617		local->wpa = value;
2618		if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2619			ret = -EOPNOTSUPP;
2620		else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2621					 value ? 1 : 0))
2622			ret = -EINVAL;
2623		break;
2624
2625	case PRISM2_PARAM_PRIVACY_INVOKED:
2626		local->privacy_invoked = value;
2627		if (hostap_set_encryption(local) ||
2628		    local->func->reset_port(dev))
2629			ret = -EINVAL;
2630		break;
2631
2632	case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2633		local->tkip_countermeasures = value;
2634		break;
2635
2636	case PRISM2_PARAM_DROP_UNENCRYPTED:
2637		local->drop_unencrypted = value;
2638		break;
2639
2640	case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2641		local->scan_channel_mask = value;
2642		break;
2643
2644	default:
2645		printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2646		       dev->name, param);
2647		ret = -EOPNOTSUPP;
2648		break;
2649	}
2650
2651	return ret;
2652}
2653
2654
2655static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2656					      struct iw_request_info *info,
2657					      void *wrqu, char *extra)
2658{
2659	struct hostap_interface *iface;
2660	local_info_t *local;
2661	int *param = (int *) extra;
2662	int ret = 0;
2663
2664	iface = netdev_priv(dev);
2665	local = iface->local;
2666
2667	switch (*param) {
2668	case PRISM2_PARAM_TXRATECTRL:
2669		*param = local->fw_tx_rate_control;
2670		break;
2671
2672	case PRISM2_PARAM_BEACON_INT:
2673		*param = local->beacon_int;
2674		break;
2675
2676	case PRISM2_PARAM_PSEUDO_IBSS:
2677		*param = local->pseudo_adhoc;
2678		break;
2679
2680	case PRISM2_PARAM_ALC:
2681		ret = -EOPNOTSUPP; /* FIX */
2682		break;
2683
2684	case PRISM2_PARAM_DUMP:
2685		*param = local->frame_dump;
2686		break;
2687
2688	case PRISM2_PARAM_OTHER_AP_POLICY:
2689		if (local->ap != NULL)
2690			*param = local->ap->ap_policy;
2691		else
2692			ret = -EOPNOTSUPP;
2693		break;
2694
2695	case PRISM2_PARAM_AP_MAX_INACTIVITY:
2696		if (local->ap != NULL)
2697			*param = local->ap->max_inactivity / HZ;
2698		else
2699			ret = -EOPNOTSUPP;
2700		break;
2701
2702	case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2703		if (local->ap != NULL)
2704			*param = local->ap->bridge_packets;
2705		else
2706			ret = -EOPNOTSUPP;
2707		break;
2708
2709	case PRISM2_PARAM_DTIM_PERIOD:
2710		*param = local->dtim_period;
2711		break;
2712
2713	case PRISM2_PARAM_AP_NULLFUNC_ACK:
2714		if (local->ap != NULL)
2715			*param = local->ap->nullfunc_ack;
2716		else
2717			ret = -EOPNOTSUPP;
2718		break;
2719
2720	case PRISM2_PARAM_MAX_WDS:
2721		*param = local->wds_max_connections;
2722		break;
2723
2724	case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2725		if (local->ap != NULL)
2726			*param = local->ap->autom_ap_wds;
2727		else
2728			ret = -EOPNOTSUPP;
2729		break;
2730
2731	case PRISM2_PARAM_AP_AUTH_ALGS:
2732		*param = local->auth_algs;
2733		break;
2734
2735	case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2736		*param = local->monitor_allow_fcserr;
2737		break;
2738
2739	case PRISM2_PARAM_HOST_ENCRYPT:
2740		*param = local->host_encrypt;
2741		break;
2742
2743	case PRISM2_PARAM_HOST_DECRYPT:
2744		*param = local->host_decrypt;
2745		break;
2746
2747	case PRISM2_PARAM_HOST_ROAMING:
2748		*param = local->host_roaming;
2749		break;
2750
2751	case PRISM2_PARAM_BCRX_STA_KEY:
2752		*param = local->bcrx_sta_key;
2753		break;
2754
2755	case PRISM2_PARAM_IEEE_802_1X:
2756		*param = local->ieee_802_1x;
2757		break;
2758
2759	case PRISM2_PARAM_ANTSEL_TX:
2760		*param = local->antsel_tx;
2761		break;
2762
2763	case PRISM2_PARAM_ANTSEL_RX:
2764		*param = local->antsel_rx;
2765		break;
2766
2767	case PRISM2_PARAM_MONITOR_TYPE:
2768		*param = local->monitor_type;
2769		break;
2770
2771	case PRISM2_PARAM_WDS_TYPE:
2772		*param = local->wds_type;
2773		break;
2774
2775	case PRISM2_PARAM_HOSTSCAN:
2776		ret = -EOPNOTSUPP;
2777		break;
2778
2779	case PRISM2_PARAM_AP_SCAN:
2780		*param = local->passive_scan_interval;
2781		break;
2782
2783	case PRISM2_PARAM_ENH_SEC:
2784		*param = local->enh_sec;
2785		break;
2786
2787#ifdef PRISM2_IO_DEBUG
2788	case PRISM2_PARAM_IO_DEBUG:
2789		*param = local->io_debug_enabled;
2790		break;
2791#endif /* PRISM2_IO_DEBUG */
2792
2793	case PRISM2_PARAM_BASIC_RATES:
2794		*param = local->basic_rates;
2795		break;
2796
2797	case PRISM2_PARAM_OPER_RATES:
2798		*param = local->tx_rate_control;
2799		break;
2800
2801	case PRISM2_PARAM_HOSTAPD:
2802		*param = local->hostapd;
2803		break;
2804
2805	case PRISM2_PARAM_HOSTAPD_STA:
2806		*param = local->hostapd_sta;
2807		break;
2808
2809	case PRISM2_PARAM_WPA:
2810		if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2811			ret = -EOPNOTSUPP;
2812		*param = local->wpa;
2813		break;
2814
2815	case PRISM2_PARAM_PRIVACY_INVOKED:
2816		*param = local->privacy_invoked;
2817		break;
2818
2819	case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2820		*param = local->tkip_countermeasures;
2821		break;
2822
2823	case PRISM2_PARAM_DROP_UNENCRYPTED:
2824		*param = local->drop_unencrypted;
2825		break;
2826
2827	case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2828		*param = local->scan_channel_mask;
2829		break;
2830
2831	default:
2832		printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2833		       dev->name, *param);
2834		ret = -EOPNOTSUPP;
2835		break;
2836	}
2837
2838	return ret;
2839}
2840
2841
2842static int prism2_ioctl_priv_readmif(struct net_device *dev,
2843				     struct iw_request_info *info,
2844				     void *wrqu, char *extra)
2845{
2846	struct hostap_interface *iface;
2847	local_info_t *local;
2848	u16 resp0;
2849
2850	iface = netdev_priv(dev);
2851	local = iface->local;
2852
2853	if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2854			     &resp0))
2855		return -EOPNOTSUPP;
2856	else
2857		*extra = resp0;
2858
2859	return 0;
2860}
2861
2862
2863static int prism2_ioctl_priv_writemif(struct net_device *dev,
2864				      struct iw_request_info *info,
2865				      void *wrqu, char *extra)
2866{
2867	struct hostap_interface *iface;
2868	local_info_t *local;
2869	u16 cr, val;
2870
2871	iface = netdev_priv(dev);
2872	local = iface->local;
2873
2874	cr = *extra;
2875	val = *(extra + 1);
2876	if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2877		return -EOPNOTSUPP;
2878
2879	return 0;
2880}
2881
2882
2883static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2884{
2885	struct hostap_interface *iface;
2886	local_info_t *local;
2887	int ret = 0;
2888	u32 mode;
2889
2890	iface = netdev_priv(dev);
2891	local = iface->local;
2892
2893	printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2894	       "- update software to use iwconfig mode monitor\n",
2895	       dev->name, task_pid_nr(current), current->comm);
2896
2897	/* Backward compatibility code - this can be removed at some point */
2898
2899	if (*i == 0) {
2900		/* Disable monitor mode - old mode was not saved, so go to
2901		 * Master mode */
2902		mode = IW_MODE_MASTER;
2903		ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2904	} else if (*i == 1) {
2905		/* netlink socket mode is not supported anymore since it did
2906		 * not separate different devices from each other and was not
2907		 * best method for delivering large amount of packets to
2908		 * user space */
2909		ret = -EOPNOTSUPP;
2910	} else if (*i == 2 || *i == 3) {
2911		switch (*i) {
2912		case 2:
2913			local->monitor_type = PRISM2_MONITOR_80211;
2914			break;
2915		case 3:
2916			local->monitor_type = PRISM2_MONITOR_PRISM;
2917			break;
2918		}
2919		mode = IW_MODE_MONITOR;
2920		ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2921		hostap_monitor_mode_enable(local);
2922	} else
2923		ret = -EINVAL;
2924
2925	return ret;
2926}
2927
2928
2929static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2930{
2931	struct hostap_interface *iface;
2932	local_info_t *local;
2933
2934	iface = netdev_priv(dev);
2935	local = iface->local;
2936
2937	printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2938	switch (*i) {
2939	case 0:
2940		/* Disable and enable card */
2941		local->func->hw_shutdown(dev, 1);
2942		local->func->hw_config(dev, 0);
2943		break;
2944
2945	case 1:
2946		/* COR sreset */
2947		local->func->hw_reset(dev);
2948		break;
2949
2950	case 2:
2951		/* Disable and enable port 0 */
2952		local->func->reset_port(dev);
2953		break;
2954
2955	case 3:
2956		prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2957		if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2958				     NULL))
2959			return -EINVAL;
2960		break;
2961
2962	case 4:
2963		if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2964				     NULL))
2965			return -EINVAL;
2966		break;
2967
2968	default:
2969		printk(KERN_DEBUG "Unknown reset request %d\n", *i);
2970		return -EOPNOTSUPP;
2971	}
2972
2973	return 0;
2974}
2975
2976
2977static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
2978{
2979	int rid = *i;
2980	int value = *(i + 1);
2981
2982	printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
2983
2984	if (hostap_set_word(dev, rid, value))
2985		return -EINVAL;
2986
2987	return 0;
2988}
2989
2990
2991#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
2992static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
2993{
2994	int ret = 0;
2995
2996	switch (*cmd) {
2997	case AP_MAC_CMD_POLICY_OPEN:
2998		local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
2999		break;
3000	case AP_MAC_CMD_POLICY_ALLOW:
3001		local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3002		break;
3003	case AP_MAC_CMD_POLICY_DENY:
3004		local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3005		break;
3006	case AP_MAC_CMD_FLUSH:
3007		ap_control_flush_macs(&local->ap->mac_restrictions);
3008		break;
3009	case AP_MAC_CMD_KICKALL:
3010		ap_control_kickall(local->ap);
3011		hostap_deauth_all_stas(local->dev, local->ap, 0);
3012		break;
3013	default:
3014		ret = -EOPNOTSUPP;
3015		break;
3016	}
3017
3018	return ret;
3019}
3020#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3021
3022
3023#ifdef PRISM2_DOWNLOAD_SUPPORT
3024static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3025{
3026	struct prism2_download_param *param;
3027	int ret = 0;
3028
3029	if (p->length < sizeof(struct prism2_download_param) ||
3030	    p->length > 1024 || !p->pointer)
3031		return -EINVAL;
3032
3033	param = memdup_user(p->pointer, p->length);
3034	if (IS_ERR(param)) {
3035		return PTR_ERR(param);
3036	}
3037
3038	if (p->length < sizeof(struct prism2_download_param) +
3039	    param->num_areas * sizeof(struct prism2_download_area)) {
3040		ret = -EINVAL;
3041		goto out;
3042	}
3043
3044	ret = local->func->download(local, param);
3045
3046 out:
3047	kfree(param);
3048	return ret;
3049}
3050#endif /* PRISM2_DOWNLOAD_SUPPORT */
3051
3052
3053static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3054				     size_t len)
3055{
3056	struct hostap_interface *iface = netdev_priv(dev);
3057	local_info_t *local = iface->local;
3058	u8 *buf;
3059
3060	/*
3061	 * Add 16-bit length in the beginning of the buffer because Prism2 RID
3062	 * includes it.
3063	 */
3064	buf = kmalloc(len + 2, GFP_KERNEL);
3065	if (buf == NULL)
3066		return -ENOMEM;
3067
3068	*((__le16 *) buf) = cpu_to_le16(len);
3069	memcpy(buf + 2, elem, len);
3070
3071	kfree(local->generic_elem);
3072	local->generic_elem = buf;
3073	local->generic_elem_len = len + 2;
3074
3075	return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3076				    buf, len + 2);
3077}
3078
3079
3080static int prism2_ioctl_siwauth(struct net_device *dev,
3081				struct iw_request_info *info,
3082				struct iw_param *data, char *extra)
3083{
3084	struct hostap_interface *iface = netdev_priv(dev);
3085	local_info_t *local = iface->local;
3086
3087	switch (data->flags & IW_AUTH_INDEX) {
3088	case IW_AUTH_WPA_VERSION:
3089	case IW_AUTH_CIPHER_PAIRWISE:
3090	case IW_AUTH_CIPHER_GROUP:
3091	case IW_AUTH_KEY_MGMT:
3092		/*
3093		 * Host AP driver does not use these parameters and allows
3094		 * wpa_supplicant to control them internally.
3095		 */
3096		break;
3097	case IW_AUTH_TKIP_COUNTERMEASURES:
3098		local->tkip_countermeasures = data->value;
3099		break;
3100	case IW_AUTH_DROP_UNENCRYPTED:
3101		local->drop_unencrypted = data->value;
3102		break;
3103	case IW_AUTH_80211_AUTH_ALG:
3104		local->auth_algs = data->value;
3105		break;
3106	case IW_AUTH_WPA_ENABLED:
3107		if (data->value == 0) {
3108			local->wpa = 0;
3109			if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3110				break;
3111			prism2_set_genericelement(dev, "", 0);
3112			local->host_roaming = 0;
3113			local->privacy_invoked = 0;
3114			if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3115					    0) ||
3116			    hostap_set_roaming(local) ||
3117			    hostap_set_encryption(local) ||
3118			    local->func->reset_port(dev))
3119				return -EINVAL;
3120			break;
3121		}
3122		if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3123			return -EOPNOTSUPP;
3124		local->host_roaming = 2;
3125		local->privacy_invoked = 1;
3126		local->wpa = 1;
3127		if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3128		    hostap_set_roaming(local) ||
3129		    hostap_set_encryption(local) ||
3130		    local->func->reset_port(dev))
3131			return -EINVAL;
3132		break;
3133	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3134		local->ieee_802_1x = data->value;
3135		break;
3136	case IW_AUTH_PRIVACY_INVOKED:
3137		local->privacy_invoked = data->value;
3138		break;
3139	default:
3140		return -EOPNOTSUPP;
3141	}
3142	return 0;
3143}
3144
3145
3146static int prism2_ioctl_giwauth(struct net_device *dev,
3147				struct iw_request_info *info,
3148				struct iw_param *data, char *extra)
3149{
3150	struct hostap_interface *iface = netdev_priv(dev);
3151	local_info_t *local = iface->local;
3152
3153	switch (data->flags & IW_AUTH_INDEX) {
3154	case IW_AUTH_WPA_VERSION:
3155	case IW_AUTH_CIPHER_PAIRWISE:
3156	case IW_AUTH_CIPHER_GROUP:
3157	case IW_AUTH_KEY_MGMT:
3158		/*
3159		 * Host AP driver does not use these parameters and allows
3160		 * wpa_supplicant to control them internally.
3161		 */
3162		return -EOPNOTSUPP;
3163	case IW_AUTH_TKIP_COUNTERMEASURES:
3164		data->value = local->tkip_countermeasures;
3165		break;
3166	case IW_AUTH_DROP_UNENCRYPTED:
3167		data->value = local->drop_unencrypted;
3168		break;
3169	case IW_AUTH_80211_AUTH_ALG:
3170		data->value = local->auth_algs;
3171		break;
3172	case IW_AUTH_WPA_ENABLED:
3173		data->value = local->wpa;
3174		break;
3175	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3176		data->value = local->ieee_802_1x;
3177		break;
3178	default:
3179		return -EOPNOTSUPP;
3180	}
3181	return 0;
3182}
3183
3184
3185static int prism2_ioctl_siwencodeext(struct net_device *dev,
3186				     struct iw_request_info *info,
3187				     struct iw_point *erq, char *extra)
3188{
3189	struct hostap_interface *iface = netdev_priv(dev);
3190	local_info_t *local = iface->local;
3191	struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3192	int i, ret = 0;
3193	struct lib80211_crypto_ops *ops;
3194	struct lib80211_crypt_data **crypt;
3195	void *sta_ptr;
3196	u8 *addr;
3197	const char *alg, *module;
3198
3199	i = erq->flags & IW_ENCODE_INDEX;
3200	if (i > WEP_KEYS)
3201		return -EINVAL;
3202	if (i < 1 || i > WEP_KEYS)
3203		i = local->crypt_info.tx_keyidx;
3204	else
3205		i--;
3206	if (i < 0 || i >= WEP_KEYS)
3207		return -EINVAL;
3208
3209	addr = ext->addr.sa_data;
3210	if (is_broadcast_ether_addr(addr)) {
3211		sta_ptr = NULL;
3212		crypt = &local->crypt_info.crypt[i];
3213	} else {
3214		if (i != 0)
3215			return -EINVAL;
3216		sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3217		if (sta_ptr == NULL) {
3218			if (local->iw_mode == IW_MODE_INFRA) {
3219				/*
3220				 * TODO: add STA entry for the current AP so
3221				 * that unicast key can be used. For now, this
3222				 * is emulated by using default key idx 0.
3223				 */
3224				i = 0;
3225				crypt = &local->crypt_info.crypt[i];
3226			} else
3227				return -EINVAL;
3228		}
3229	}
3230
3231	if ((erq->flags & IW_ENCODE_DISABLED) ||
3232	    ext->alg == IW_ENCODE_ALG_NONE) {
3233		if (*crypt)
3234			lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3235		goto done;
3236	}
3237
3238	switch (ext->alg) {
3239	case IW_ENCODE_ALG_WEP:
3240		alg = "WEP";
3241		module = "lib80211_crypt_wep";
3242		break;
3243	case IW_ENCODE_ALG_TKIP:
3244		alg = "TKIP";
3245		module = "lib80211_crypt_tkip";
3246		break;
3247	case IW_ENCODE_ALG_CCMP:
3248		alg = "CCMP";
3249		module = "lib80211_crypt_ccmp";
3250		break;
3251	default:
3252		printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3253		       local->dev->name, ext->alg);
3254		ret = -EOPNOTSUPP;
3255		goto done;
3256	}
3257
3258	ops = lib80211_get_crypto_ops(alg);
3259	if (ops == NULL) {
3260		request_module(module);
3261		ops = lib80211_get_crypto_ops(alg);
3262	}
3263	if (ops == NULL) {
3264		printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3265		       local->dev->name, alg);
3266		ret = -EOPNOTSUPP;
3267		goto done;
3268	}
3269
3270	if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3271		/*
3272		 * Per station encryption and other than WEP algorithms
3273		 * require host-based encryption, so force them on
3274		 * automatically.
3275		 */
3276		local->host_decrypt = local->host_encrypt = 1;
3277	}
3278
3279	if (*crypt == NULL || (*crypt)->ops != ops) {
3280		struct lib80211_crypt_data *new_crypt;
3281
3282		lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3283
3284		new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3285				GFP_KERNEL);
3286		if (new_crypt == NULL) {
3287			ret = -ENOMEM;
3288			goto done;
3289		}
3290		new_crypt->ops = ops;
3291		if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
3292			new_crypt->priv = new_crypt->ops->init(i);
3293		if (new_crypt->priv == NULL) {
3294			kfree(new_crypt);
3295			ret = -EINVAL;
3296			goto done;
3297		}
3298
3299		*crypt = new_crypt;
3300	}
3301
3302	/*
3303	 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3304	 * existing seq# should not be changed.
3305	 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3306	 * should be changed to something else than zero.
3307	 */
3308	if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3309	    && (*crypt)->ops->set_key &&
3310	    (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3311				   (*crypt)->priv) < 0) {
3312		printk(KERN_DEBUG "%s: key setting failed\n",
3313		       local->dev->name);
3314		ret = -EINVAL;
3315		goto done;
3316	}
3317
3318	if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3319		if (!sta_ptr)
3320			local->crypt_info.tx_keyidx = i;
3321	}
3322
3323
3324	if (sta_ptr == NULL && ext->key_len > 0) {
3325		int first = 1, j;
3326		for (j = 0; j < WEP_KEYS; j++) {
3327			if (j != i && local->crypt_info.crypt[j]) {
3328				first = 0;
3329				break;
3330			}
3331		}
3332		if (first)
3333			local->crypt_info.tx_keyidx = i;
3334	}
3335
3336 done:
3337	if (sta_ptr)
3338		hostap_handle_sta_release(sta_ptr);
3339
3340	local->open_wep = erq->flags & IW_ENCODE_OPEN;
3341
3342	/*
3343	 * Do not reset port0 if card is in Managed mode since resetting will
3344	 * generate new IEEE 802.11 authentication which may end up in looping
3345	 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3346	 * after WEP configuration. However, keys are apparently changed at
3347	 * least in Managed mode.
3348	 */
3349	if (ret == 0 &&
3350	    (hostap_set_encryption(local) ||
3351	     (local->iw_mode != IW_MODE_INFRA &&
3352	      local->func->reset_port(local->dev))))
3353		ret = -EINVAL;
3354
3355	return ret;
3356}
3357
3358
3359static int prism2_ioctl_giwencodeext(struct net_device *dev,
3360				     struct iw_request_info *info,
3361				     struct iw_point *erq, char *extra)
3362{
3363	struct hostap_interface *iface = netdev_priv(dev);
3364	local_info_t *local = iface->local;
3365	struct lib80211_crypt_data **crypt;
3366	void *sta_ptr;
3367	int max_key_len, i;
3368	struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3369	u8 *addr;
3370
3371	max_key_len = erq->length - sizeof(*ext);
3372	if (max_key_len < 0)
3373		return -EINVAL;
3374
3375	i = erq->flags & IW_ENCODE_INDEX;
3376	if (i < 1 || i > WEP_KEYS)
3377		i = local->crypt_info.tx_keyidx;
3378	else
3379		i--;
3380
3381	addr = ext->addr.sa_data;
3382	if (is_broadcast_ether_addr(addr)) {
3383		sta_ptr = NULL;
3384		crypt = &local->crypt_info.crypt[i];
3385	} else {
3386		i = 0;
3387		sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3388		if (sta_ptr == NULL)
3389			return -EINVAL;
3390	}
3391	erq->flags = i + 1;
3392	memset(ext, 0, sizeof(*ext));
3393
3394	if (*crypt == NULL || (*crypt)->ops == NULL) {
3395		ext->alg = IW_ENCODE_ALG_NONE;
3396		ext->key_len = 0;
3397		erq->flags |= IW_ENCODE_DISABLED;
3398	} else {
3399		if (strcmp((*crypt)->ops->name, "WEP") == 0)
3400			ext->alg = IW_ENCODE_ALG_WEP;
3401		else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3402			ext->alg = IW_ENCODE_ALG_TKIP;
3403		else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3404			ext->alg = IW_ENCODE_ALG_CCMP;
3405		else
3406			return -EINVAL;
3407
3408		if ((*crypt)->ops->get_key) {
3409			ext->key_len =
3410				(*crypt)->ops->get_key(ext->key,
3411						       max_key_len,
3412						       ext->tx_seq,
3413						       (*crypt)->priv);
3414			if (ext->key_len &&
3415			    (ext->alg == IW_ENCODE_ALG_TKIP ||
3416			     ext->alg == IW_ENCODE_ALG_CCMP))
3417				ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3418		}
3419	}
3420
3421	if (sta_ptr)
3422		hostap_handle_sta_release(sta_ptr);
3423
3424	return 0;
3425}
3426
3427
3428static int prism2_ioctl_set_encryption(local_info_t *local,
3429				       struct prism2_hostapd_param *param,
3430				       int param_len)
3431{
3432	int ret = 0;
3433	struct lib80211_crypto_ops *ops;
3434	struct lib80211_crypt_data **crypt;
3435	void *sta_ptr;
3436
3437	param->u.crypt.err = 0;
3438	param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3439
3440	if (param_len !=
3441	    (int) ((char *) param->u.crypt.key - (char *) param) +
3442	    param->u.crypt.key_len)
3443		return -EINVAL;
3444
3445	if (is_broadcast_ether_addr(param->sta_addr)) {
3446		if (param->u.crypt.idx >= WEP_KEYS)
3447			return -EINVAL;
3448		sta_ptr = NULL;
3449		crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3450	} else {
3451		if (param->u.crypt.idx)
3452			return -EINVAL;
3453		sta_ptr = ap_crypt_get_ptrs(
3454			local->ap, param->sta_addr,
3455			(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3456			&crypt);
3457
3458		if (sta_ptr == NULL) {
3459			param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3460			return -EINVAL;
3461		}
3462	}
3463
3464	if (strcmp(param->u.crypt.alg, "none") == 0) {
3465		if (crypt)
3466			lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3467		goto done;
3468	}
3469
3470	ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3471	if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3472		request_module("lib80211_crypt_wep");
3473		ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3474	} else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3475		request_module("lib80211_crypt_tkip");
3476		ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3477	} else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3478		request_module("lib80211_crypt_ccmp");
3479		ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3480	}
3481	if (ops == NULL) {
3482		printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3483		       local->dev->name, param->u.crypt.alg);
3484		param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3485		ret = -EINVAL;
3486		goto done;
3487	}
3488
3489	/* station based encryption and other than WEP algorithms require
3490	 * host-based encryption, so force them on automatically */
3491	local->host_decrypt = local->host_encrypt = 1;
3492
3493	if (*crypt == NULL || (*crypt)->ops != ops) {
3494		struct lib80211_crypt_data *new_crypt;
3495
3496		lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3497
3498		new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3499				GFP_KERNEL);
3500		if (new_crypt == NULL) {
3501			ret = -ENOMEM;
3502			goto done;
3503		}
3504		new_crypt->ops = ops;
3505		new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3506		if (new_crypt->priv == NULL) {
3507			kfree(new_crypt);
3508			param->u.crypt.err =
3509				HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3510			ret = -EINVAL;
3511			goto done;
3512		}
3513
3514		*crypt = new_crypt;
3515	}
3516
3517	if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3518	     param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3519	    (*crypt)->ops->set_key(param->u.crypt.key,
3520				   param->u.crypt.key_len, param->u.crypt.seq,
3521				   (*crypt)->priv) < 0) {
3522		printk(KERN_DEBUG "%s: key setting failed\n",
3523		       local->dev->name);
3524		param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3525		ret = -EINVAL;
3526		goto done;
3527	}
3528
3529	if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3530		if (!sta_ptr)
3531			local->crypt_info.tx_keyidx = param->u.crypt.idx;
3532		else if (param->u.crypt.idx) {
3533			printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3534			       local->dev->name);
3535			param->u.crypt.err =
3536				HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3537			ret = -EINVAL;
3538			goto done;
3539		}
3540	}
3541
3542 done:
3543	if (sta_ptr)
3544		hostap_handle_sta_release(sta_ptr);
3545
3546	/* Do not reset port0 if card is in Managed mode since resetting will
3547	 * generate new IEEE 802.11 authentication which may end up in looping
3548	 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3549	 * after WEP configuration. However, keys are apparently changed at
3550	 * least in Managed mode. */
3551	if (ret == 0 &&
3552	    (hostap_set_encryption(local) ||
3553	     (local->iw_mode != IW_MODE_INFRA &&
3554	      local->func->reset_port(local->dev)))) {
3555		param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3556		return -EINVAL;
3557	}
3558
3559	return ret;
3560}
3561
3562
3563static int prism2_ioctl_get_encryption(local_info_t *local,
3564				       struct prism2_hostapd_param *param,
3565				       int param_len)
3566{
3567	struct lib80211_crypt_data **crypt;
3568	void *sta_ptr;
3569	int max_key_len;
3570
3571	param->u.crypt.err = 0;
3572
3573	max_key_len = param_len -
3574		(int) ((char *) param->u.crypt.key - (char *) param);
3575	if (max_key_len < 0)
3576		return -EINVAL;
3577
3578	if (is_broadcast_ether_addr(param->sta_addr)) {
3579		sta_ptr = NULL;
3580		if (param->u.crypt.idx >= WEP_KEYS)
3581			param->u.crypt.idx = local->crypt_info.tx_keyidx;
3582		crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3583	} else {
3584		param->u.crypt.idx = 0;
3585		sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3586					    &crypt);
3587
3588		if (sta_ptr == NULL) {
3589			param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3590			return -EINVAL;
3591		}
3592	}
3593
3594	if (*crypt == NULL || (*crypt)->ops == NULL) {
3595		memcpy(param->u.crypt.alg, "none", 5);
3596		param->u.crypt.key_len = 0;
3597		param->u.crypt.idx = 0xff;
3598	} else {
3599		strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3600			HOSTAP_CRYPT_ALG_NAME_LEN);
3601		param->u.crypt.key_len = 0;
3602
3603		memset(param->u.crypt.seq, 0, 8);
3604		if ((*crypt)->ops->get_key) {
3605			param->u.crypt.key_len =
3606				(*crypt)->ops->get_key(param->u.crypt.key,
3607						       max_key_len,
3608						       param->u.crypt.seq,
3609						       (*crypt)->priv);
3610		}
3611	}
3612
3613	if (sta_ptr)
3614		hostap_handle_sta_release(sta_ptr);
3615
3616	return 0;
3617}
3618
3619
3620static int prism2_ioctl_get_rid(local_info_t *local,
3621				struct prism2_hostapd_param *param,
3622				int param_len)
3623{
3624	int max_len, res;
3625
3626	max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3627	if (max_len < 0)
3628		return -EINVAL;
3629
3630	res = local->func->get_rid(local->dev, param->u.rid.rid,
3631				   param->u.rid.data, param->u.rid.len, 0);
3632	if (res >= 0) {
3633		param->u.rid.len = res;
3634		return 0;
3635	}
3636
3637	return res;
3638}
3639
3640
3641static int prism2_ioctl_set_rid(local_info_t *local,
3642				struct prism2_hostapd_param *param,
3643				int param_len)
3644{
3645	int max_len;
3646
3647	max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3648	if (max_len < 0 || max_len < param->u.rid.len)
3649		return -EINVAL;
3650
3651	return local->func->set_rid(local->dev, param->u.rid.rid,
3652				    param->u.rid.data, param->u.rid.len);
3653}
3654
3655
3656static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3657					  struct prism2_hostapd_param *param,
3658					  int param_len)
3659{
3660	printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
3661	       local->dev->name, param->sta_addr);
3662	memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3663	return 0;
3664}
3665
3666
3667static int prism2_ioctl_siwgenie(struct net_device *dev,
3668				 struct iw_request_info *info,
3669				 struct iw_point *data, char *extra)
3670{
3671	return prism2_set_genericelement(dev, extra, data->length);
3672}
3673
3674
3675static int prism2_ioctl_giwgenie(struct net_device *dev,
3676				 struct iw_request_info *info,
3677				 struct iw_point *data, char *extra)
3678{
3679	struct hostap_interface *iface = netdev_priv(dev);
3680	local_info_t *local = iface->local;
3681	int len = local->generic_elem_len - 2;
3682
3683	if (len <= 0 || local->generic_elem == NULL) {
3684		data->length = 0;
3685		return 0;
3686	}
3687
3688	if (data->length < len)
3689		return -E2BIG;
3690
3691	data->length = len;
3692	memcpy(extra, local->generic_elem + 2, len);
3693
3694	return 0;
3695}
3696
3697
3698static int prism2_ioctl_set_generic_element(local_info_t *local,
3699					    struct prism2_hostapd_param *param,
3700					    int param_len)
3701{
3702	int max_len, len;
3703
3704	len = param->u.generic_elem.len;
3705	max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3706	if (max_len < 0 || max_len < len)
3707		return -EINVAL;
3708
3709	return prism2_set_genericelement(local->dev,
3710					 param->u.generic_elem.data, len);
3711}
3712
3713
3714static int prism2_ioctl_siwmlme(struct net_device *dev,
3715				struct iw_request_info *info,
3716				struct iw_point *data, char *extra)
3717{
3718	struct hostap_interface *iface = netdev_priv(dev);
3719	local_info_t *local = iface->local;
3720	struct iw_mlme *mlme = (struct iw_mlme *) extra;
3721	__le16 reason;
3722
3723	reason = cpu_to_le16(mlme->reason_code);
3724
3725	switch (mlme->cmd) {
3726	case IW_MLME_DEAUTH:
3727		return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3728					    IEEE80211_STYPE_DEAUTH,
3729					    (u8 *) &reason, 2);
3730	case IW_MLME_DISASSOC:
3731		return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3732					    IEEE80211_STYPE_DISASSOC,
3733					    (u8 *) &reason, 2);
3734	default:
3735		return -EOPNOTSUPP;
3736	}
3737}
3738
3739
3740static int prism2_ioctl_mlme(local_info_t *local,
3741			     struct prism2_hostapd_param *param)
3742{
3743	__le16 reason;
3744
3745	reason = cpu_to_le16(param->u.mlme.reason_code);
3746	switch (param->u.mlme.cmd) {
3747	case MLME_STA_DEAUTH:
3748		return prism2_sta_send_mgmt(local, param->sta_addr,
3749					    IEEE80211_STYPE_DEAUTH,
3750					    (u8 *) &reason, 2);
3751	case MLME_STA_DISASSOC:
3752		return prism2_sta_send_mgmt(local, param->sta_addr,
3753					    IEEE80211_STYPE_DISASSOC,
3754					    (u8 *) &reason, 2);
3755	default:
3756		return -EOPNOTSUPP;
3757	}
3758}
3759
3760
3761static int prism2_ioctl_scan_req(local_info_t *local,
3762				 struct prism2_hostapd_param *param)
3763{
3764#ifndef PRISM2_NO_STATION_MODES
3765	if ((local->iw_mode != IW_MODE_INFRA &&
3766	     local->iw_mode != IW_MODE_ADHOC) ||
3767	    (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3768		return -EOPNOTSUPP;
3769
3770	if (!local->dev_enabled)
3771		return -ENETDOWN;
3772
3773	return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3774				       param->u.scan_req.ssid_len);
3775#else /* PRISM2_NO_STATION_MODES */
3776	return -EOPNOTSUPP;
3777#endif /* PRISM2_NO_STATION_MODES */
3778}
3779
3780
3781static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3782{
3783	struct prism2_hostapd_param *param;
3784	int ret = 0;
3785	int ap_ioctl = 0;
3786
3787	if (p->length < sizeof(struct prism2_hostapd_param) ||
3788	    p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3789		return -EINVAL;
3790
3791	param = memdup_user(p->pointer, p->length);
3792	if (IS_ERR(param)) {
3793		return PTR_ERR(param);
3794	}
3795
3796	switch (param->cmd) {
3797	case PRISM2_SET_ENCRYPTION:
3798		ret = prism2_ioctl_set_encryption(local, param, p->length);
3799		break;
3800	case PRISM2_GET_ENCRYPTION:
3801		ret = prism2_ioctl_get_encryption(local, param, p->length);
3802		break;
3803	case PRISM2_HOSTAPD_GET_RID:
3804		ret = prism2_ioctl_get_rid(local, param, p->length);
3805		break;
3806	case PRISM2_HOSTAPD_SET_RID:
3807		ret = prism2_ioctl_set_rid(local, param, p->length);
3808		break;
3809	case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3810		ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3811		break;
3812	case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3813		ret = prism2_ioctl_set_generic_element(local, param,
3814						       p->length);
3815		break;
3816	case PRISM2_HOSTAPD_MLME:
3817		ret = prism2_ioctl_mlme(local, param);
3818		break;
3819	case PRISM2_HOSTAPD_SCAN_REQ:
3820		ret = prism2_ioctl_scan_req(local, param);
3821		break;
3822	default:
3823		ret = prism2_hostapd(local->ap, param);
3824		ap_ioctl = 1;
3825		break;
3826	}
3827
3828	if (ret == 1 || !ap_ioctl) {
3829		if (copy_to_user(p->pointer, param, p->length)) {
3830			ret = -EFAULT;
3831			goto out;
3832		} else if (ap_ioctl)
3833			ret = 0;
3834	}
3835
3836 out:
3837	kfree(param);
3838	return ret;
3839}
3840
3841
3842static void prism2_get_drvinfo(struct net_device *dev,
3843			       struct ethtool_drvinfo *info)
3844{
3845	struct hostap_interface *iface;
3846	local_info_t *local;
3847
3848	iface = netdev_priv(dev);
3849	local = iface->local;
3850
3851	strlcpy(info->driver, "hostap", sizeof(info->driver));
3852	snprintf(info->fw_version, sizeof(info->fw_version),
3853		 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3854		 (local->sta_fw_ver >> 8) & 0xff,
3855		 local->sta_fw_ver & 0xff);
3856}
3857
3858const struct ethtool_ops prism2_ethtool_ops = {
3859	.get_drvinfo = prism2_get_drvinfo
3860};
3861
3862
3863/* Structures to export the Wireless Handlers */
3864
3865static const iw_handler prism2_handler[] =
3866{
3867	(iw_handler) NULL,				/* SIOCSIWCOMMIT */
3868	(iw_handler) prism2_get_name,			/* SIOCGIWNAME */
3869	(iw_handler) NULL,				/* SIOCSIWNWID */
3870	(iw_handler) NULL,				/* SIOCGIWNWID */
3871	(iw_handler) prism2_ioctl_siwfreq,		/* SIOCSIWFREQ */
3872	(iw_handler) prism2_ioctl_giwfreq,		/* SIOCGIWFREQ */
3873	(iw_handler) prism2_ioctl_siwmode,		/* SIOCSIWMODE */
3874	(iw_handler) prism2_ioctl_giwmode,		/* SIOCGIWMODE */
3875	(iw_handler) prism2_ioctl_siwsens,		/* SIOCSIWSENS */
3876	(iw_handler) prism2_ioctl_giwsens,		/* SIOCGIWSENS */
3877	(iw_handler) NULL /* not used */,		/* SIOCSIWRANGE */
3878	(iw_handler) prism2_ioctl_giwrange,		/* SIOCGIWRANGE */
3879	(iw_handler) NULL /* not used */,		/* SIOCSIWPRIV */
3880	(iw_handler) NULL /* kernel code */,		/* SIOCGIWPRIV */
3881	(iw_handler) NULL /* not used */,		/* SIOCSIWSTATS */
3882	(iw_handler) NULL /* kernel code */,		/* SIOCGIWSTATS */
3883	iw_handler_set_spy,				/* SIOCSIWSPY */
3884	iw_handler_get_spy,				/* SIOCGIWSPY */
3885	iw_handler_set_thrspy,				/* SIOCSIWTHRSPY */
3886	iw_handler_get_thrspy,				/* SIOCGIWTHRSPY */
3887	(iw_handler) prism2_ioctl_siwap,		/* SIOCSIWAP */
3888	(iw_handler) prism2_ioctl_giwap,		/* SIOCGIWAP */
3889	(iw_handler) prism2_ioctl_siwmlme,		/* SIOCSIWMLME */
3890	(iw_handler) prism2_ioctl_giwaplist,		/* SIOCGIWAPLIST */
3891	(iw_handler) prism2_ioctl_siwscan,		/* SIOCSIWSCAN */
3892	(iw_handler) prism2_ioctl_giwscan,		/* SIOCGIWSCAN */
3893	(iw_handler) prism2_ioctl_siwessid,		/* SIOCSIWESSID */
3894	(iw_handler) prism2_ioctl_giwessid,		/* SIOCGIWESSID */
3895	(iw_handler) prism2_ioctl_siwnickn,		/* SIOCSIWNICKN */
3896	(iw_handler) prism2_ioctl_giwnickn,		/* SIOCGIWNICKN */
3897	(iw_handler) NULL,				/* -- hole -- */
3898	(iw_handler) NULL,				/* -- hole -- */
3899	(iw_handler) prism2_ioctl_siwrate,		/* SIOCSIWRATE */
3900	(iw_handler) prism2_ioctl_giwrate,		/* SIOCGIWRATE */
3901	(iw_handler) prism2_ioctl_siwrts,		/* SIOCSIWRTS */
3902	(iw_handler) prism2_ioctl_giwrts,		/* SIOCGIWRTS */
3903	(iw_handler) prism2_ioctl_siwfrag,		/* SIOCSIWFRAG */
3904	(iw_handler) prism2_ioctl_giwfrag,		/* SIOCGIWFRAG */
3905	(iw_handler) prism2_ioctl_siwtxpow,		/* SIOCSIWTXPOW */
3906	(iw_handler) prism2_ioctl_giwtxpow,		/* SIOCGIWTXPOW */
3907	(iw_handler) prism2_ioctl_siwretry,		/* SIOCSIWRETRY */
3908	(iw_handler) prism2_ioctl_giwretry,		/* SIOCGIWRETRY */
3909	(iw_handler) prism2_ioctl_siwencode,		/* SIOCSIWENCODE */
3910	(iw_handler) prism2_ioctl_giwencode,		/* SIOCGIWENCODE */
3911	(iw_handler) prism2_ioctl_siwpower,		/* SIOCSIWPOWER */
3912	(iw_handler) prism2_ioctl_giwpower,		/* SIOCGIWPOWER */
3913	(iw_handler) NULL,				/* -- hole -- */
3914	(iw_handler) NULL,				/* -- hole -- */
3915	(iw_handler) prism2_ioctl_siwgenie,		/* SIOCSIWGENIE */
3916	(iw_handler) prism2_ioctl_giwgenie,		/* SIOCGIWGENIE */
3917	(iw_handler) prism2_ioctl_siwauth,		/* SIOCSIWAUTH */
3918	(iw_handler) prism2_ioctl_giwauth,		/* SIOCGIWAUTH */
3919	(iw_handler) prism2_ioctl_siwencodeext,		/* SIOCSIWENCODEEXT */
3920	(iw_handler) prism2_ioctl_giwencodeext,		/* SIOCGIWENCODEEXT */
3921	(iw_handler) NULL,				/* SIOCSIWPMKSA */
3922	(iw_handler) NULL,				/* -- hole -- */
3923};
3924
3925static const iw_handler prism2_private_handler[] =
3926{							/* SIOCIWFIRSTPRIV + */
3927	(iw_handler) prism2_ioctl_priv_prism2_param,	/* 0 */
3928	(iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3929	(iw_handler) prism2_ioctl_priv_writemif,	/* 2 */
3930	(iw_handler) prism2_ioctl_priv_readmif,		/* 3 */
3931};
3932
3933const struct iw_handler_def hostap_iw_handler_def =
3934{
3935	.num_standard	= ARRAY_SIZE(prism2_handler),
3936	.num_private	= ARRAY_SIZE(prism2_private_handler),
3937	.num_private_args = ARRAY_SIZE(prism2_priv),
3938	.standard	= (iw_handler *) prism2_handler,
3939	.private	= (iw_handler *) prism2_private_handler,
3940	.private_args	= (struct iw_priv_args *) prism2_priv,
3941	.get_wireless_stats = hostap_get_wireless_stats,
3942};
3943
3944
3945int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3946{
3947	struct iwreq *wrq = (struct iwreq *) ifr;
3948	struct hostap_interface *iface;
3949	local_info_t *local;
3950	int ret = 0;
3951
3952	iface = netdev_priv(dev);
3953	local = iface->local;
3954
3955	switch (cmd) {
3956		/* Private ioctls (iwpriv) that have not yet been converted
3957		 * into new wireless extensions API */
3958
3959	case PRISM2_IOCTL_INQUIRE:
3960		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3961		else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
3962		break;
3963
3964	case PRISM2_IOCTL_MONITOR:
3965		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3966		else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
3967		break;
3968
3969	case PRISM2_IOCTL_RESET:
3970		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3971		else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
3972		break;
3973
3974	case PRISM2_IOCTL_WDS_ADD:
3975		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3976		else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
3977		break;
3978
3979	case PRISM2_IOCTL_WDS_DEL:
3980		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3981		else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
3982		break;
3983
3984	case PRISM2_IOCTL_SET_RID_WORD:
3985		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3986		else ret = prism2_ioctl_priv_set_rid_word(dev,
3987							  (int *) wrq->u.name);
3988		break;
3989
3990#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3991	case PRISM2_IOCTL_MACCMD:
3992		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3993		else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
3994		break;
3995
3996	case PRISM2_IOCTL_ADDMAC:
3997		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3998		else ret = ap_control_add_mac(&local->ap->mac_restrictions,
3999					      wrq->u.ap_addr.sa_data);
4000		break;
4001	case PRISM2_IOCTL_DELMAC:
4002		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4003		else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4004					      wrq->u.ap_addr.sa_data);
4005		break;
4006	case PRISM2_IOCTL_KICKMAC:
4007		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4008		else ret = ap_control_kick_mac(local->ap, local->dev,
4009					       wrq->u.ap_addr.sa_data);
4010		break;
4011#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4012
4013
4014		/* Private ioctls that are not used with iwpriv;
4015		 * in SIOCDEVPRIVATE range */
4016
4017#ifdef PRISM2_DOWNLOAD_SUPPORT
4018	case PRISM2_IOCTL_DOWNLOAD:
4019		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4020		else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4021		break;
4022#endif /* PRISM2_DOWNLOAD_SUPPORT */
4023
4024	case PRISM2_IOCTL_HOSTAPD:
4025		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4026		else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4027		break;
4028
4029	default:
4030		ret = -EOPNOTSUPP;
4031		break;
4032	}
4033
4034	return ret;
4035}