1/* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */
2
3#include <linux/slab.h>
4#include <linux/types.h>
5#include <linux/sched.h>
6#include <linux/ethtool.h>
7#include <linux/if_arp.h>
8#include <linux/module.h>
9#include <linux/etherdevice.h>
10#include <net/lib80211.h>
11
12#include "hostap_wlan.h"
13#include "hostap.h"
14#include "hostap_ap.h"
15
16static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
17{
18	struct hostap_interface *iface;
19	local_info_t *local;
20	struct iw_statistics *wstats;
21
22	iface = netdev_priv(dev);
23	local = iface->local;
24
25	/* Why are we doing that ? Jean II */
26	if (iface->type != HOSTAP_INTERFACE_MAIN)
27		return NULL;
28
29	wstats = &local->wstats;
30
31	wstats->status = 0;
32	wstats->discard.code =
33		local->comm_tallies.rx_discards_wep_undecryptable;
34	wstats->discard.misc =
35		local->comm_tallies.rx_fcs_errors +
36		local->comm_tallies.rx_discards_no_buffer +
37		local->comm_tallies.tx_discards_wrong_sa;
38
39	wstats->discard.retries =
40		local->comm_tallies.tx_retry_limit_exceeded;
41	wstats->discard.fragment =
42		local->comm_tallies.rx_message_in_bad_msg_fragments;
43
44	if (local->iw_mode != IW_MODE_MASTER &&
45	    local->iw_mode != IW_MODE_REPEAT) {
46		int update = 1;
47#ifdef in_atomic
48		/* RID reading might sleep and it must not be called in
49		 * interrupt context or while atomic. However, this
50		 * function seems to be called while atomic (at least in Linux
51		 * 2.5.59). Update signal quality values only if in suitable
52		 * context. Otherwise, previous values read from tick timer
53		 * will be used. */
54		if (in_atomic())
55			update = 0;
56#endif /* in_atomic */
57
58		if (update && prism2_update_comms_qual(dev) == 0)
59			wstats->qual.updated = IW_QUAL_ALL_UPDATED |
60				IW_QUAL_DBM;
61
62		wstats->qual.qual = local->comms_qual;
63		wstats->qual.level = local->avg_signal;
64		wstats->qual.noise = local->avg_noise;
65	} else {
66		wstats->qual.qual = 0;
67		wstats->qual.level = 0;
68		wstats->qual.noise = 0;
69		wstats->qual.updated = IW_QUAL_ALL_INVALID;
70	}
71
72	return wstats;
73}
74
75
76static int prism2_get_datarates(struct net_device *dev, u8 *rates)
77{
78	struct hostap_interface *iface;
79	local_info_t *local;
80	u8 buf[12];
81	int len;
82	u16 val;
83
84	iface = netdev_priv(dev);
85	local = iface->local;
86
87	len = local->func->get_rid(dev, HFA384X_RID_SUPPORTEDDATARATES, buf,
88				   sizeof(buf), 0);
89	if (len < 2)
90		return 0;
91
92	val = le16_to_cpu(*(__le16 *) buf); /* string length */
93
94	if (len - 2 < val || val > 10)
95		return 0;
96
97	memcpy(rates, buf + 2, val);
98	return val;
99}
100
101
102static int prism2_get_name(struct net_device *dev,
103			   struct iw_request_info *info,
104			   char *name, char *extra)
105{
106	u8 rates[10];
107	int len, i, over2 = 0;
108
109	len = prism2_get_datarates(dev, rates);
110
111	for (i = 0; i < len; i++) {
112		if (rates[i] == 0x0b || rates[i] == 0x16) {
113			over2 = 1;
114			break;
115		}
116	}
117
118	strcpy(name, over2 ? "IEEE 802.11b" : "IEEE 802.11-DS");
119
120	return 0;
121}
122
123
124static int prism2_ioctl_siwencode(struct net_device *dev,
125				  struct iw_request_info *info,
126				  struct iw_point *erq, char *keybuf)
127{
128	struct hostap_interface *iface;
129	local_info_t *local;
130	int i;
131	struct lib80211_crypt_data **crypt;
132
133	iface = netdev_priv(dev);
134	local = iface->local;
135
136	i = erq->flags & IW_ENCODE_INDEX;
137	if (i < 1 || i > 4)
138		i = local->crypt_info.tx_keyidx;
139	else
140		i--;
141	if (i < 0 || i >= WEP_KEYS)
142		return -EINVAL;
143
144	crypt = &local->crypt_info.crypt[i];
145
146	if (erq->flags & IW_ENCODE_DISABLED) {
147		if (*crypt)
148			lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
149		goto done;
150	}
151
152	if (*crypt != NULL && (*crypt)->ops != NULL &&
153	    strcmp((*crypt)->ops->name, "WEP") != 0) {
154		/* changing to use WEP; deinit previously used algorithm */
155		lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
156	}
157
158	if (*crypt == NULL) {
159		struct lib80211_crypt_data *new_crypt;
160
161		/* take WEP into use */
162		new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
163				GFP_KERNEL);
164		if (new_crypt == NULL)
165			return -ENOMEM;
166		new_crypt->ops = lib80211_get_crypto_ops("WEP");
167		if (!new_crypt->ops) {
168			request_module("lib80211_crypt_wep");
169			new_crypt->ops = lib80211_get_crypto_ops("WEP");
170		}
171		if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
172			new_crypt->priv = new_crypt->ops->init(i);
173		if (!new_crypt->ops || !new_crypt->priv) {
174			kfree(new_crypt);
175			new_crypt = NULL;
176
177			printk(KERN_WARNING "%s: could not initialize WEP: "
178			       "load module hostap_crypt_wep.o\n",
179			       dev->name);
180			return -EOPNOTSUPP;
181		}
182		*crypt = new_crypt;
183	}
184
185	if (erq->length > 0) {
186		int len = erq->length <= 5 ? 5 : 13;
187		int first = 1, j;
188		if (len > erq->length)
189			memset(keybuf + erq->length, 0, len - erq->length);
190		(*crypt)->ops->set_key(keybuf, len, NULL, (*crypt)->priv);
191		for (j = 0; j < WEP_KEYS; j++) {
192			if (j != i && local->crypt_info.crypt[j]) {
193				first = 0;
194				break;
195			}
196		}
197		if (first)
198			local->crypt_info.tx_keyidx = i;
199	} else {
200		/* No key data - just set the default TX key index */
201		local->crypt_info.tx_keyidx = i;
202	}
203
204 done:
205	local->open_wep = erq->flags & IW_ENCODE_OPEN;
206
207	if (hostap_set_encryption(local)) {
208		printk(KERN_DEBUG "%s: set_encryption failed\n", dev->name);
209		return -EINVAL;
210	}
211
212	/* Do not reset port0 if card is in Managed mode since resetting will
213	 * generate new IEEE 802.11 authentication which may end up in looping
214	 * with IEEE 802.1X. Prism2 documentation seem to require port reset
215	 * after WEP configuration. However, keys are apparently changed at
216	 * least in Managed mode. */
217	if (local->iw_mode != IW_MODE_INFRA && local->func->reset_port(dev)) {
218		printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
219		return -EINVAL;
220	}
221
222	return 0;
223}
224
225
226static int prism2_ioctl_giwencode(struct net_device *dev,
227				  struct iw_request_info *info,
228				  struct iw_point *erq, char *key)
229{
230	struct hostap_interface *iface;
231	local_info_t *local;
232	int i, len;
233	u16 val;
234	struct lib80211_crypt_data *crypt;
235
236	iface = netdev_priv(dev);
237	local = iface->local;
238
239	i = erq->flags & IW_ENCODE_INDEX;
240	if (i < 1 || i > 4)
241		i = local->crypt_info.tx_keyidx;
242	else
243		i--;
244	if (i < 0 || i >= WEP_KEYS)
245		return -EINVAL;
246
247	crypt = local->crypt_info.crypt[i];
248	erq->flags = i + 1;
249
250	if (crypt == NULL || crypt->ops == NULL) {
251		erq->length = 0;
252		erq->flags |= IW_ENCODE_DISABLED;
253		return 0;
254	}
255
256	if (strcmp(crypt->ops->name, "WEP") != 0) {
257		/* only WEP is supported with wireless extensions, so just
258		 * report that encryption is used */
259		erq->length = 0;
260		erq->flags |= IW_ENCODE_ENABLED;
261		return 0;
262	}
263
264	/* Reads from HFA384X_RID_CNFDEFAULTKEY* return bogus values, so show
265	 * the keys from driver buffer */
266	len = crypt->ops->get_key(key, WEP_KEY_LEN, NULL, crypt->priv);
267	erq->length = (len >= 0 ? len : 0);
268
269	if (local->func->get_rid(dev, HFA384X_RID_CNFWEPFLAGS, &val, 2, 1) < 0)
270	{
271		printk("CNFWEPFLAGS reading failed\n");
272		return -EOPNOTSUPP;
273	}
274	le16_to_cpus(&val);
275	if (val & HFA384X_WEPFLAGS_PRIVACYINVOKED)
276		erq->flags |= IW_ENCODE_ENABLED;
277	else
278		erq->flags |= IW_ENCODE_DISABLED;
279	if (val & HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED)
280		erq->flags |= IW_ENCODE_RESTRICTED;
281	else
282		erq->flags |= IW_ENCODE_OPEN;
283
284	return 0;
285}
286
287
288static int hostap_set_rate(struct net_device *dev)
289{
290	struct hostap_interface *iface;
291	local_info_t *local;
292	int ret, basic_rates;
293
294	iface = netdev_priv(dev);
295	local = iface->local;
296
297	basic_rates = local->basic_rates & local->tx_rate_control;
298	if (!basic_rates || basic_rates != local->basic_rates) {
299		printk(KERN_INFO "%s: updating basic rate set automatically "
300		       "to match with the new supported rate set\n",
301		       dev->name);
302		if (!basic_rates)
303			basic_rates = local->tx_rate_control;
304
305		local->basic_rates = basic_rates;
306		if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
307				    basic_rates))
308			printk(KERN_WARNING "%s: failed to set "
309			       "cnfBasicRates\n", dev->name);
310	}
311
312	ret = (hostap_set_word(dev, HFA384X_RID_TXRATECONTROL,
313			       local->tx_rate_control) ||
314	       hostap_set_word(dev, HFA384X_RID_CNFSUPPORTEDRATES,
315			       local->tx_rate_control) ||
316	       local->func->reset_port(dev));
317
318	if (ret) {
319		printk(KERN_WARNING "%s: TXRateControl/cnfSupportedRates "
320		       "setting to 0x%x failed\n",
321		       dev->name, local->tx_rate_control);
322	}
323
324	/* Update TX rate configuration for all STAs based on new operational
325	 * rate set. */
326	hostap_update_rates(local);
327
328	return ret;
329}
330
331
332static int prism2_ioctl_siwrate(struct net_device *dev,
333				struct iw_request_info *info,
334				struct iw_param *rrq, char *extra)
335{
336	struct hostap_interface *iface;
337	local_info_t *local;
338
339	iface = netdev_priv(dev);
340	local = iface->local;
341
342	if (rrq->fixed) {
343		switch (rrq->value) {
344		case 11000000:
345			local->tx_rate_control = HFA384X_RATES_11MBPS;
346			break;
347		case 5500000:
348			local->tx_rate_control = HFA384X_RATES_5MBPS;
349			break;
350		case 2000000:
351			local->tx_rate_control = HFA384X_RATES_2MBPS;
352			break;
353		case 1000000:
354			local->tx_rate_control = HFA384X_RATES_1MBPS;
355			break;
356		default:
357			local->tx_rate_control = HFA384X_RATES_1MBPS |
358				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
359				HFA384X_RATES_11MBPS;
360			break;
361		}
362	} else {
363		switch (rrq->value) {
364		case 11000000:
365			local->tx_rate_control = HFA384X_RATES_1MBPS |
366				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
367				HFA384X_RATES_11MBPS;
368			break;
369		case 5500000:
370			local->tx_rate_control = HFA384X_RATES_1MBPS |
371				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS;
372			break;
373		case 2000000:
374			local->tx_rate_control = HFA384X_RATES_1MBPS |
375				HFA384X_RATES_2MBPS;
376			break;
377		case 1000000:
378			local->tx_rate_control = HFA384X_RATES_1MBPS;
379			break;
380		default:
381			local->tx_rate_control = HFA384X_RATES_1MBPS |
382				HFA384X_RATES_2MBPS | HFA384X_RATES_5MBPS |
383				HFA384X_RATES_11MBPS;
384			break;
385		}
386	}
387
388	return hostap_set_rate(dev);
389}
390
391
392static int prism2_ioctl_giwrate(struct net_device *dev,
393				struct iw_request_info *info,
394				struct iw_param *rrq, char *extra)
395{
396	u16 val;
397	struct hostap_interface *iface;
398	local_info_t *local;
399	int ret = 0;
400
401	iface = netdev_priv(dev);
402	local = iface->local;
403
404	if (local->func->get_rid(dev, HFA384X_RID_TXRATECONTROL, &val, 2, 1) <
405	    0)
406		return -EINVAL;
407
408	if ((val & 0x1) && (val > 1))
409		rrq->fixed = 0;
410	else
411		rrq->fixed = 1;
412
413	if (local->iw_mode == IW_MODE_MASTER && local->ap != NULL &&
414	    !local->fw_tx_rate_control) {
415		/* HFA384X_RID_CURRENTTXRATE seems to always be 2 Mbps in
416		 * Host AP mode, so use the recorded TX rate of the last sent
417		 * frame */
418		rrq->value = local->ap->last_tx_rate > 0 ?
419			local->ap->last_tx_rate * 100000 : 11000000;
420		return 0;
421	}
422
423	if (local->func->get_rid(dev, HFA384X_RID_CURRENTTXRATE, &val, 2, 1) <
424	    0)
425		return -EINVAL;
426
427	switch (val) {
428	case HFA384X_RATES_1MBPS:
429		rrq->value = 1000000;
430		break;
431	case HFA384X_RATES_2MBPS:
432		rrq->value = 2000000;
433		break;
434	case HFA384X_RATES_5MBPS:
435		rrq->value = 5500000;
436		break;
437	case HFA384X_RATES_11MBPS:
438		rrq->value = 11000000;
439		break;
440	default:
441		/* should not happen */
442		rrq->value = 11000000;
443		ret = -EINVAL;
444		break;
445	}
446
447	return ret;
448}
449
450
451static int prism2_ioctl_siwsens(struct net_device *dev,
452				struct iw_request_info *info,
453				struct iw_param *sens, char *extra)
454{
455	struct hostap_interface *iface;
456	local_info_t *local;
457
458	iface = netdev_priv(dev);
459	local = iface->local;
460
461	/* Set the desired AP density */
462	if (sens->value < 1 || sens->value > 3)
463		return -EINVAL;
464
465	if (hostap_set_word(dev, HFA384X_RID_CNFSYSTEMSCALE, sens->value) ||
466	    local->func->reset_port(dev))
467		return -EINVAL;
468
469	return 0;
470}
471
472static int prism2_ioctl_giwsens(struct net_device *dev,
473				struct iw_request_info *info,
474				struct iw_param *sens, char *extra)
475{
476	struct hostap_interface *iface;
477	local_info_t *local;
478	__le16 val;
479
480	iface = netdev_priv(dev);
481	local = iface->local;
482
483	/* Get the current AP density */
484	if (local->func->get_rid(dev, HFA384X_RID_CNFSYSTEMSCALE, &val, 2, 1) <
485	    0)
486		return -EINVAL;
487
488	sens->value = le16_to_cpu(val);
489	sens->fixed = 1;
490
491	return 0;
492}
493
494
495/* Deprecated in new wireless extension API */
496static int prism2_ioctl_giwaplist(struct net_device *dev,
497				  struct iw_request_info *info,
498				  struct iw_point *data, char *extra)
499{
500	struct hostap_interface *iface;
501	local_info_t *local;
502	struct sockaddr *addr;
503	struct iw_quality *qual;
504
505	iface = netdev_priv(dev);
506	local = iface->local;
507
508	if (local->iw_mode != IW_MODE_MASTER) {
509		printk(KERN_DEBUG "SIOCGIWAPLIST is currently only supported "
510		       "in Host AP mode\n");
511		data->length = 0;
512		return -EOPNOTSUPP;
513	}
514
515	addr = kmalloc(sizeof(struct sockaddr) * IW_MAX_AP, GFP_KERNEL);
516	qual = kmalloc(sizeof(struct iw_quality) * IW_MAX_AP, GFP_KERNEL);
517	if (addr == NULL || qual == NULL) {
518		kfree(addr);
519		kfree(qual);
520		data->length = 0;
521		return -ENOMEM;
522	}
523
524	data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
525
526	memcpy(extra, addr, sizeof(struct sockaddr) * data->length);
527	data->flags = 1; /* has quality information */
528	memcpy(extra + sizeof(struct sockaddr) * data->length, qual,
529	       sizeof(struct iw_quality) * data->length);
530
531	kfree(addr);
532	kfree(qual);
533	return 0;
534}
535
536
537static int prism2_ioctl_siwrts(struct net_device *dev,
538			       struct iw_request_info *info,
539			       struct iw_param *rts, char *extra)
540{
541	struct hostap_interface *iface;
542	local_info_t *local;
543	__le16 val;
544
545	iface = netdev_priv(dev);
546	local = iface->local;
547
548	if (rts->disabled)
549		val = cpu_to_le16(2347);
550	else if (rts->value < 0 || rts->value > 2347)
551		return -EINVAL;
552	else
553		val = cpu_to_le16(rts->value);
554
555	if (local->func->set_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2) ||
556	    local->func->reset_port(dev))
557		return -EINVAL;
558
559	local->rts_threshold = rts->value;
560
561	return 0;
562}
563
564static int prism2_ioctl_giwrts(struct net_device *dev,
565			       struct iw_request_info *info,
566			       struct iw_param *rts, char *extra)
567{
568	struct hostap_interface *iface;
569	local_info_t *local;
570	__le16 val;
571
572	iface = netdev_priv(dev);
573	local = iface->local;
574
575	if (local->func->get_rid(dev, HFA384X_RID_RTSTHRESHOLD, &val, 2, 1) <
576	    0)
577		return -EINVAL;
578
579	rts->value = le16_to_cpu(val);
580	rts->disabled = (rts->value == 2347);
581	rts->fixed = 1;
582
583	return 0;
584}
585
586
587static int prism2_ioctl_siwfrag(struct net_device *dev,
588				struct iw_request_info *info,
589				struct iw_param *rts, char *extra)
590{
591	struct hostap_interface *iface;
592	local_info_t *local;
593	__le16 val;
594
595	iface = netdev_priv(dev);
596	local = iface->local;
597
598	if (rts->disabled)
599		val = cpu_to_le16(2346);
600	else if (rts->value < 256 || rts->value > 2346)
601		return -EINVAL;
602	else
603		val = cpu_to_le16(rts->value & ~0x1); /* even numbers only */
604
605	local->fragm_threshold = rts->value & ~0x1;
606	if (local->func->set_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD, &val,
607				 2)
608	    || local->func->reset_port(dev))
609		return -EINVAL;
610
611	return 0;
612}
613
614static int prism2_ioctl_giwfrag(struct net_device *dev,
615				struct iw_request_info *info,
616				struct iw_param *rts, char *extra)
617{
618	struct hostap_interface *iface;
619	local_info_t *local;
620	__le16 val;
621
622	iface = netdev_priv(dev);
623	local = iface->local;
624
625	if (local->func->get_rid(dev, HFA384X_RID_FRAGMENTATIONTHRESHOLD,
626				 &val, 2, 1) < 0)
627		return -EINVAL;
628
629	rts->value = le16_to_cpu(val);
630	rts->disabled = (rts->value == 2346);
631	rts->fixed = 1;
632
633	return 0;
634}
635
636
637#ifndef PRISM2_NO_STATION_MODES
638static int hostap_join_ap(struct net_device *dev)
639{
640	struct hostap_interface *iface;
641	local_info_t *local;
642	struct hfa384x_join_request req;
643	unsigned long flags;
644	int i;
645	struct hfa384x_hostscan_result *entry;
646
647	iface = netdev_priv(dev);
648	local = iface->local;
649
650	memcpy(req.bssid, local->preferred_ap, ETH_ALEN);
651	req.channel = 0;
652
653	spin_lock_irqsave(&local->lock, flags);
654	for (i = 0; i < local->last_scan_results_count; i++) {
655		if (!local->last_scan_results)
656			break;
657		entry = &local->last_scan_results[i];
658		if (ether_addr_equal(local->preferred_ap, entry->bssid)) {
659			req.channel = entry->chid;
660			break;
661		}
662	}
663	spin_unlock_irqrestore(&local->lock, flags);
664
665	if (local->func->set_rid(dev, HFA384X_RID_JOINREQUEST, &req,
666				 sizeof(req))) {
667		printk(KERN_DEBUG "%s: JoinRequest %pM failed\n",
668		       dev->name, local->preferred_ap);
669		return -1;
670	}
671
672	printk(KERN_DEBUG "%s: Trying to join BSSID %pM\n",
673	       dev->name, local->preferred_ap);
674
675	return 0;
676}
677#endif /* PRISM2_NO_STATION_MODES */
678
679
680static int prism2_ioctl_siwap(struct net_device *dev,
681			      struct iw_request_info *info,
682			      struct sockaddr *ap_addr, char *extra)
683{
684#ifdef PRISM2_NO_STATION_MODES
685	return -EOPNOTSUPP;
686#else /* PRISM2_NO_STATION_MODES */
687	struct hostap_interface *iface;
688	local_info_t *local;
689
690	iface = netdev_priv(dev);
691	local = iface->local;
692
693	memcpy(local->preferred_ap, &ap_addr->sa_data, ETH_ALEN);
694
695	if (local->host_roaming == 1 && local->iw_mode == IW_MODE_INFRA) {
696		struct hfa384x_scan_request scan_req;
697		memset(&scan_req, 0, sizeof(scan_req));
698		scan_req.channel_list = cpu_to_le16(0x3fff);
699		scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
700		if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST,
701					 &scan_req, sizeof(scan_req))) {
702			printk(KERN_DEBUG "%s: ScanResults request failed - "
703			       "preferred AP delayed to next unsolicited "
704			       "scan\n", dev->name);
705		}
706	} else if (local->host_roaming == 2 &&
707		   local->iw_mode == IW_MODE_INFRA) {
708		if (hostap_join_ap(dev))
709			return -EINVAL;
710	} else {
711		printk(KERN_DEBUG "%s: Preferred AP (SIOCSIWAP) is used only "
712		       "in Managed mode when host_roaming is enabled\n",
713		       dev->name);
714	}
715
716	return 0;
717#endif /* PRISM2_NO_STATION_MODES */
718}
719
720static int prism2_ioctl_giwap(struct net_device *dev,
721			      struct iw_request_info *info,
722			      struct sockaddr *ap_addr, char *extra)
723{
724	struct hostap_interface *iface;
725	local_info_t *local;
726
727	iface = netdev_priv(dev);
728	local = iface->local;
729
730	ap_addr->sa_family = ARPHRD_ETHER;
731	switch (iface->type) {
732	case HOSTAP_INTERFACE_AP:
733		memcpy(&ap_addr->sa_data, dev->dev_addr, ETH_ALEN);
734		break;
735	case HOSTAP_INTERFACE_STA:
736		memcpy(&ap_addr->sa_data, local->assoc_ap_addr, ETH_ALEN);
737		break;
738	case HOSTAP_INTERFACE_WDS:
739		memcpy(&ap_addr->sa_data, iface->u.wds.remote_addr, ETH_ALEN);
740		break;
741	default:
742		if (local->func->get_rid(dev, HFA384X_RID_CURRENTBSSID,
743					 &ap_addr->sa_data, ETH_ALEN, 1) < 0)
744			return -EOPNOTSUPP;
745
746		/* local->bssid is also updated in LinkStatus handler when in
747		 * station mode */
748		memcpy(local->bssid, &ap_addr->sa_data, ETH_ALEN);
749		break;
750	}
751
752	return 0;
753}
754
755
756static int prism2_ioctl_siwnickn(struct net_device *dev,
757				 struct iw_request_info *info,
758				 struct iw_point *data, char *nickname)
759{
760	struct hostap_interface *iface;
761	local_info_t *local;
762
763	iface = netdev_priv(dev);
764	local = iface->local;
765
766	memset(local->name, 0, sizeof(local->name));
767	memcpy(local->name, nickname, data->length);
768	local->name_set = 1;
769
770	if (hostap_set_string(dev, HFA384X_RID_CNFOWNNAME, local->name) ||
771	    local->func->reset_port(dev))
772		return -EINVAL;
773
774	return 0;
775}
776
777static int prism2_ioctl_giwnickn(struct net_device *dev,
778				 struct iw_request_info *info,
779				 struct iw_point *data, char *nickname)
780{
781	struct hostap_interface *iface;
782	local_info_t *local;
783	int len;
784	char name[MAX_NAME_LEN + 3];
785	u16 val;
786
787	iface = netdev_priv(dev);
788	local = iface->local;
789
790	len = local->func->get_rid(dev, HFA384X_RID_CNFOWNNAME,
791				   &name, MAX_NAME_LEN + 2, 0);
792	val = le16_to_cpu(*(__le16 *) name);
793	if (len > MAX_NAME_LEN + 2 || len < 0 || val > MAX_NAME_LEN)
794		return -EOPNOTSUPP;
795
796	name[val + 2] = '\0';
797	data->length = val + 1;
798	memcpy(nickname, name + 2, val + 1);
799
800	return 0;
801}
802
803
804static int prism2_ioctl_siwfreq(struct net_device *dev,
805				struct iw_request_info *info,
806				struct iw_freq *freq, char *extra)
807{
808	struct hostap_interface *iface;
809	local_info_t *local;
810
811	iface = netdev_priv(dev);
812	local = iface->local;
813
814	/* freq => chan. */
815	if (freq->e == 1 &&
816	    freq->m / 100000 >= freq_list[0] &&
817	    freq->m / 100000 <= freq_list[FREQ_COUNT - 1]) {
818		int ch;
819		int fr = freq->m / 100000;
820		for (ch = 0; ch < FREQ_COUNT; ch++) {
821			if (fr == freq_list[ch]) {
822				freq->e = 0;
823				freq->m = ch + 1;
824				break;
825			}
826		}
827	}
828
829	if (freq->e != 0 || freq->m < 1 || freq->m > FREQ_COUNT ||
830	    !(local->channel_mask & (1 << (freq->m - 1))))
831		return -EINVAL;
832
833	local->channel = freq->m; /* channel is used in prism2_setup_rids() */
834	if (hostap_set_word(dev, HFA384X_RID_CNFOWNCHANNEL, local->channel) ||
835	    local->func->reset_port(dev))
836		return -EINVAL;
837
838	return 0;
839}
840
841static int prism2_ioctl_giwfreq(struct net_device *dev,
842				struct iw_request_info *info,
843				struct iw_freq *freq, char *extra)
844{
845	struct hostap_interface *iface;
846	local_info_t *local;
847	u16 val;
848
849	iface = netdev_priv(dev);
850	local = iface->local;
851
852	if (local->func->get_rid(dev, HFA384X_RID_CURRENTCHANNEL, &val, 2, 1) <
853	    0)
854		return -EINVAL;
855
856	le16_to_cpus(&val);
857	if (val < 1 || val > FREQ_COUNT)
858		return -EINVAL;
859
860	freq->m = freq_list[val - 1] * 100000;
861	freq->e = 1;
862
863	return 0;
864}
865
866
867static void hostap_monitor_set_type(local_info_t *local)
868{
869	struct net_device *dev = local->ddev;
870
871	if (dev == NULL)
872		return;
873
874	if (local->monitor_type == PRISM2_MONITOR_PRISM ||
875	    local->monitor_type == PRISM2_MONITOR_CAPHDR) {
876		dev->type = ARPHRD_IEEE80211_PRISM;
877	} else if (local->monitor_type == PRISM2_MONITOR_RADIOTAP) {
878		dev->type = ARPHRD_IEEE80211_RADIOTAP;
879	} else {
880		dev->type = ARPHRD_IEEE80211;
881	}
882}
883
884
885static int prism2_ioctl_siwessid(struct net_device *dev,
886				 struct iw_request_info *info,
887				 struct iw_point *data, char *ssid)
888{
889	struct hostap_interface *iface;
890	local_info_t *local;
891
892	iface = netdev_priv(dev);
893	local = iface->local;
894
895	if (iface->type == HOSTAP_INTERFACE_WDS)
896		return -EOPNOTSUPP;
897
898	if (data->flags == 0)
899		ssid[0] = '\0'; /* ANY */
900
901	if (local->iw_mode == IW_MODE_MASTER && ssid[0] == '\0') {
902		/* Setting SSID to empty string seems to kill the card in
903		 * Host AP mode */
904		printk(KERN_DEBUG "%s: Host AP mode does not support "
905		       "'Any' essid\n", dev->name);
906		return -EINVAL;
907	}
908
909	memcpy(local->essid, ssid, data->length);
910	local->essid[data->length] = '\0';
911
912	if ((!local->fw_ap &&
913	     hostap_set_string(dev, HFA384X_RID_CNFDESIREDSSID, local->essid))
914	    || hostap_set_string(dev, HFA384X_RID_CNFOWNSSID, local->essid) ||
915	    local->func->reset_port(dev))
916		return -EINVAL;
917
918	return 0;
919}
920
921static int prism2_ioctl_giwessid(struct net_device *dev,
922				 struct iw_request_info *info,
923				 struct iw_point *data, char *essid)
924{
925	struct hostap_interface *iface;
926	local_info_t *local;
927	u16 val;
928
929	iface = netdev_priv(dev);
930	local = iface->local;
931
932	if (iface->type == HOSTAP_INTERFACE_WDS)
933		return -EOPNOTSUPP;
934
935	data->flags = 1; /* active */
936	if (local->iw_mode == IW_MODE_MASTER) {
937		data->length = strlen(local->essid);
938		memcpy(essid, local->essid, IW_ESSID_MAX_SIZE);
939	} else {
940		int len;
941		char ssid[MAX_SSID_LEN + 2];
942		memset(ssid, 0, sizeof(ssid));
943		len = local->func->get_rid(dev, HFA384X_RID_CURRENTSSID,
944					   &ssid, MAX_SSID_LEN + 2, 0);
945		val = le16_to_cpu(*(__le16 *) ssid);
946		if (len > MAX_SSID_LEN + 2 || len < 0 || val > MAX_SSID_LEN) {
947			return -EOPNOTSUPP;
948		}
949		data->length = val;
950		memcpy(essid, ssid + 2, IW_ESSID_MAX_SIZE);
951	}
952
953	return 0;
954}
955
956
957static int prism2_ioctl_giwrange(struct net_device *dev,
958				 struct iw_request_info *info,
959				 struct iw_point *data, char *extra)
960{
961	struct hostap_interface *iface;
962	local_info_t *local;
963	struct iw_range *range = (struct iw_range *) extra;
964	u8 rates[10];
965	u16 val;
966	int i, len, over2;
967
968	iface = netdev_priv(dev);
969	local = iface->local;
970
971	data->length = sizeof(struct iw_range);
972	memset(range, 0, sizeof(struct iw_range));
973
974	/* TODO: could fill num_txpower and txpower array with
975	 * something; however, there are 128 different values.. */
976
977	range->txpower_capa = IW_TXPOW_DBM;
978
979	if (local->iw_mode == IW_MODE_INFRA || local->iw_mode == IW_MODE_ADHOC)
980	{
981		range->min_pmp = 1 * 1024;
982		range->max_pmp = 65535 * 1024;
983		range->min_pmt = 1 * 1024;
984		range->max_pmt = 1000 * 1024;
985		range->pmp_flags = IW_POWER_PERIOD;
986		range->pmt_flags = IW_POWER_TIMEOUT;
987		range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT |
988			IW_POWER_UNICAST_R | IW_POWER_ALL_R;
989	}
990
991	range->we_version_compiled = WIRELESS_EXT;
992	range->we_version_source = 18;
993
994	range->retry_capa = IW_RETRY_LIMIT;
995	range->retry_flags = IW_RETRY_LIMIT;
996	range->min_retry = 0;
997	range->max_retry = 255;
998
999	range->num_channels = FREQ_COUNT;
1000
1001	val = 0;
1002	for (i = 0; i < FREQ_COUNT; i++) {
1003		if (local->channel_mask & (1 << i)) {
1004			range->freq[val].i = i + 1;
1005			range->freq[val].m = freq_list[i] * 100000;
1006			range->freq[val].e = 1;
1007			val++;
1008		}
1009		if (val == IW_MAX_FREQUENCIES)
1010			break;
1011	}
1012	range->num_frequency = val;
1013
1014	if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1)) {
1015		range->max_qual.qual = 70; /* what is correct max? This was not
1016					    * documented exactly. At least
1017					    * 69 has been observed. */
1018		range->max_qual.level = 0; /* dB */
1019		range->max_qual.noise = 0; /* dB */
1020
1021		/* What would be suitable values for "average/typical" qual? */
1022		range->avg_qual.qual = 20;
1023		range->avg_qual.level = -60;
1024		range->avg_qual.noise = -95;
1025	} else {
1026		range->max_qual.qual = 92; /* 0 .. 92 */
1027		range->max_qual.level = 154; /* 27 .. 154 */
1028		range->max_qual.noise = 154; /* 27 .. 154 */
1029	}
1030	range->sensitivity = 3;
1031
1032	range->max_encoding_tokens = WEP_KEYS;
1033	range->num_encoding_sizes = 2;
1034	range->encoding_size[0] = 5;
1035	range->encoding_size[1] = 13;
1036
1037	over2 = 0;
1038	len = prism2_get_datarates(dev, rates);
1039	range->num_bitrates = 0;
1040	for (i = 0; i < len; i++) {
1041		if (range->num_bitrates < IW_MAX_BITRATES) {
1042			range->bitrate[range->num_bitrates] =
1043				rates[i] * 500000;
1044			range->num_bitrates++;
1045		}
1046		if (rates[i] == 0x0b || rates[i] == 0x16)
1047			over2 = 1;
1048	}
1049	/* estimated maximum TCP throughput values (bps) */
1050	range->throughput = over2 ? 5500000 : 1500000;
1051
1052	range->min_rts = 0;
1053	range->max_rts = 2347;
1054	range->min_frag = 256;
1055	range->max_frag = 2346;
1056
1057	/* Event capability (kernel + driver) */
1058	range->event_capa[0] = (IW_EVENT_CAPA_K_0 |
1059				IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) |
1060				IW_EVENT_CAPA_MASK(SIOCGIWAP) |
1061				IW_EVENT_CAPA_MASK(SIOCGIWSCAN));
1062	range->event_capa[1] = IW_EVENT_CAPA_K_1;
1063	range->event_capa[4] = (IW_EVENT_CAPA_MASK(IWEVTXDROP) |
1064				IW_EVENT_CAPA_MASK(IWEVCUSTOM) |
1065				IW_EVENT_CAPA_MASK(IWEVREGISTERED) |
1066				IW_EVENT_CAPA_MASK(IWEVEXPIRED));
1067
1068	range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
1069		IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
1070
1071	if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1072		range->scan_capa = IW_SCAN_CAPA_ESSID;
1073
1074	return 0;
1075}
1076
1077
1078static int hostap_monitor_mode_enable(local_info_t *local)
1079{
1080	struct net_device *dev = local->dev;
1081
1082	printk(KERN_DEBUG "Enabling monitor mode\n");
1083	hostap_monitor_set_type(local);
1084
1085	if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1086			    HFA384X_PORTTYPE_PSEUDO_IBSS)) {
1087		printk(KERN_DEBUG "Port type setting for monitor mode "
1088		       "failed\n");
1089		return -EOPNOTSUPP;
1090	}
1091
1092	/* Host decrypt is needed to get the IV and ICV fields;
1093	 * however, monitor mode seems to remove WEP flag from frame
1094	 * control field */
1095	if (hostap_set_word(dev, HFA384X_RID_CNFWEPFLAGS,
1096			    HFA384X_WEPFLAGS_HOSTENCRYPT |
1097			    HFA384X_WEPFLAGS_HOSTDECRYPT)) {
1098		printk(KERN_DEBUG "WEP flags setting failed\n");
1099		return -EOPNOTSUPP;
1100	}
1101
1102	if (local->func->reset_port(dev) ||
1103	    local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1104			     (HFA384X_TEST_MONITOR << 8),
1105			     0, NULL, NULL)) {
1106		printk(KERN_DEBUG "Setting monitor mode failed\n");
1107		return -EOPNOTSUPP;
1108	}
1109
1110	return 0;
1111}
1112
1113
1114static int hostap_monitor_mode_disable(local_info_t *local)
1115{
1116	struct net_device *dev = local->ddev;
1117
1118	if (dev == NULL)
1119		return -1;
1120
1121	printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
1122	dev->type = ARPHRD_ETHER;
1123
1124	if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1125			     (HFA384X_TEST_STOP << 8),
1126			     0, NULL, NULL))
1127		return -1;
1128	return hostap_set_encryption(local);
1129}
1130
1131
1132static int prism2_ioctl_siwmode(struct net_device *dev,
1133				struct iw_request_info *info,
1134				__u32 *mode, char *extra)
1135{
1136	struct hostap_interface *iface;
1137	local_info_t *local;
1138	int double_reset = 0;
1139
1140	iface = netdev_priv(dev);
1141	local = iface->local;
1142
1143	if (*mode != IW_MODE_ADHOC && *mode != IW_MODE_INFRA &&
1144	    *mode != IW_MODE_MASTER && *mode != IW_MODE_REPEAT &&
1145	    *mode != IW_MODE_MONITOR)
1146		return -EOPNOTSUPP;
1147
1148#ifdef PRISM2_NO_STATION_MODES
1149	if (*mode == IW_MODE_ADHOC || *mode == IW_MODE_INFRA)
1150		return -EOPNOTSUPP;
1151#endif /* PRISM2_NO_STATION_MODES */
1152
1153	if (*mode == local->iw_mode)
1154		return 0;
1155
1156	if (*mode == IW_MODE_MASTER && local->essid[0] == '\0') {
1157		printk(KERN_WARNING "%s: empty SSID not allowed in Master "
1158		       "mode\n", dev->name);
1159		return -EINVAL;
1160	}
1161
1162	if (local->iw_mode == IW_MODE_MONITOR)
1163		hostap_monitor_mode_disable(local);
1164
1165	if ((local->iw_mode == IW_MODE_ADHOC ||
1166	     local->iw_mode == IW_MODE_MONITOR) && *mode == IW_MODE_MASTER) {
1167		/* There seems to be a firmware bug in at least STA f/w v1.5.6
1168		 * that leaves beacon frames to use IBSS type when moving from
1169		 * IBSS to Host AP mode. Doing double Port0 reset seems to be
1170		 * enough to workaround this. */
1171		double_reset = 1;
1172	}
1173
1174	printk(KERN_DEBUG "prism2: %s: operating mode changed "
1175	       "%d -> %d\n", dev->name, local->iw_mode, *mode);
1176	local->iw_mode = *mode;
1177
1178	if (local->iw_mode == IW_MODE_MONITOR)
1179		hostap_monitor_mode_enable(local);
1180	else if (local->iw_mode == IW_MODE_MASTER && !local->host_encrypt &&
1181		 !local->fw_encrypt_ok) {
1182		printk(KERN_DEBUG "%s: defaulting to host-based encryption as "
1183		       "a workaround for firmware bug in Host AP mode WEP\n",
1184		       dev->name);
1185		local->host_encrypt = 1;
1186	}
1187
1188	if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
1189			    hostap_get_porttype(local)))
1190		return -EOPNOTSUPP;
1191
1192	if (local->func->reset_port(dev))
1193		return -EINVAL;
1194	if (double_reset && local->func->reset_port(dev))
1195		return -EINVAL;
1196
1197	if (local->iw_mode != IW_MODE_INFRA && local->iw_mode != IW_MODE_ADHOC)
1198	{
1199		/* netif_carrier is used only in client modes for now, so make
1200		 * sure carrier is on when moving to non-client modes. */
1201		netif_carrier_on(local->dev);
1202		netif_carrier_on(local->ddev);
1203	}
1204	return 0;
1205}
1206
1207
1208static int prism2_ioctl_giwmode(struct net_device *dev,
1209				struct iw_request_info *info,
1210				__u32 *mode, char *extra)
1211{
1212	struct hostap_interface *iface;
1213	local_info_t *local;
1214
1215	iface = netdev_priv(dev);
1216	local = iface->local;
1217
1218	switch (iface->type) {
1219	case HOSTAP_INTERFACE_STA:
1220		*mode = IW_MODE_INFRA;
1221		break;
1222	case HOSTAP_INTERFACE_WDS:
1223		*mode = IW_MODE_REPEAT;
1224		break;
1225	default:
1226		*mode = local->iw_mode;
1227		break;
1228	}
1229	return 0;
1230}
1231
1232
1233static int prism2_ioctl_siwpower(struct net_device *dev,
1234				 struct iw_request_info *info,
1235				 struct iw_param *wrq, char *extra)
1236{
1237#ifdef PRISM2_NO_STATION_MODES
1238	return -EOPNOTSUPP;
1239#else /* PRISM2_NO_STATION_MODES */
1240	int ret = 0;
1241
1242	if (wrq->disabled)
1243		return hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 0);
1244
1245	switch (wrq->flags & IW_POWER_MODE) {
1246	case IW_POWER_UNICAST_R:
1247		ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 0);
1248		if (ret)
1249			return ret;
1250		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1251		if (ret)
1252			return ret;
1253		break;
1254	case IW_POWER_ALL_R:
1255		ret = hostap_set_word(dev, HFA384X_RID_CNFMULTICASTRECEIVE, 1);
1256		if (ret)
1257			return ret;
1258		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1259		if (ret)
1260			return ret;
1261		break;
1262	case IW_POWER_ON:
1263		break;
1264	default:
1265		return -EINVAL;
1266	}
1267
1268	if (wrq->flags & IW_POWER_TIMEOUT) {
1269		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1270		if (ret)
1271			return ret;
1272		ret = hostap_set_word(dev, HFA384X_RID_CNFPMHOLDOVERDURATION,
1273				      wrq->value / 1024);
1274		if (ret)
1275			return ret;
1276	}
1277	if (wrq->flags & IW_POWER_PERIOD) {
1278		ret = hostap_set_word(dev, HFA384X_RID_CNFPMENABLED, 1);
1279		if (ret)
1280			return ret;
1281		ret = hostap_set_word(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1282				      wrq->value / 1024);
1283		if (ret)
1284			return ret;
1285	}
1286
1287	return ret;
1288#endif /* PRISM2_NO_STATION_MODES */
1289}
1290
1291
1292static int prism2_ioctl_giwpower(struct net_device *dev,
1293				 struct iw_request_info *info,
1294				 struct iw_param *rrq, char *extra)
1295{
1296#ifdef PRISM2_NO_STATION_MODES
1297	return -EOPNOTSUPP;
1298#else /* PRISM2_NO_STATION_MODES */
1299	struct hostap_interface *iface;
1300	local_info_t *local;
1301	__le16 enable, mcast;
1302
1303	iface = netdev_priv(dev);
1304	local = iface->local;
1305
1306	if (local->func->get_rid(dev, HFA384X_RID_CNFPMENABLED, &enable, 2, 1)
1307	    < 0)
1308		return -EINVAL;
1309
1310	if (!le16_to_cpu(enable)) {
1311		rrq->disabled = 1;
1312		return 0;
1313	}
1314
1315	rrq->disabled = 0;
1316
1317	if ((rrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) {
1318		__le16 timeout;
1319		if (local->func->get_rid(dev,
1320					 HFA384X_RID_CNFPMHOLDOVERDURATION,
1321					 &timeout, 2, 1) < 0)
1322			return -EINVAL;
1323
1324		rrq->flags = IW_POWER_TIMEOUT;
1325		rrq->value = le16_to_cpu(timeout) * 1024;
1326	} else {
1327		__le16 period;
1328		if (local->func->get_rid(dev, HFA384X_RID_CNFMAXSLEEPDURATION,
1329					 &period, 2, 1) < 0)
1330			return -EINVAL;
1331
1332		rrq->flags = IW_POWER_PERIOD;
1333		rrq->value = le16_to_cpu(period) * 1024;
1334	}
1335
1336	if (local->func->get_rid(dev, HFA384X_RID_CNFMULTICASTRECEIVE, &mcast,
1337				 2, 1) < 0)
1338		return -EINVAL;
1339
1340	if (le16_to_cpu(mcast))
1341		rrq->flags |= IW_POWER_ALL_R;
1342	else
1343		rrq->flags |= IW_POWER_UNICAST_R;
1344
1345	return 0;
1346#endif /* PRISM2_NO_STATION_MODES */
1347}
1348
1349
1350static int prism2_ioctl_siwretry(struct net_device *dev,
1351				 struct iw_request_info *info,
1352				 struct iw_param *rrq, char *extra)
1353{
1354	struct hostap_interface *iface;
1355	local_info_t *local;
1356
1357	iface = netdev_priv(dev);
1358	local = iface->local;
1359
1360	if (rrq->disabled)
1361		return -EINVAL;
1362
1363	/* setting retry limits is not supported with the current station
1364	 * firmware code; simulate this with alternative retry count for now */
1365	if (rrq->flags == IW_RETRY_LIMIT) {
1366		if (rrq->value < 0) {
1367			/* disable manual retry count setting and use firmware
1368			 * defaults */
1369			local->manual_retry_count = -1;
1370			local->tx_control &= ~HFA384X_TX_CTRL_ALT_RTRY;
1371		} else {
1372			if (hostap_set_word(dev, HFA384X_RID_CNFALTRETRYCOUNT,
1373					    rrq->value)) {
1374				printk(KERN_DEBUG "%s: Alternate retry count "
1375				       "setting to %d failed\n",
1376				       dev->name, rrq->value);
1377				return -EOPNOTSUPP;
1378			}
1379
1380			local->manual_retry_count = rrq->value;
1381			local->tx_control |= HFA384X_TX_CTRL_ALT_RTRY;
1382		}
1383		return 0;
1384	}
1385
1386	return -EOPNOTSUPP;
1387
1388#if 0
1389	/* what could be done, if firmware would support this.. */
1390
1391	if (rrq->flags & IW_RETRY_LIMIT) {
1392		if (rrq->flags & IW_RETRY_LONG)
1393			HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1394		else if (rrq->flags & IW_RETRY_SHORT)
1395			HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1396		else {
1397			HFA384X_RID_LONGRETRYLIMIT = rrq->value;
1398			HFA384X_RID_SHORTRETRYLIMIT = rrq->value;
1399		}
1400
1401	}
1402
1403	if (rrq->flags & IW_RETRY_LIFETIME) {
1404		HFA384X_RID_MAXTRANSMITLIFETIME = rrq->value / 1024;
1405	}
1406
1407	return 0;
1408#endif /* 0 */
1409}
1410
1411static int prism2_ioctl_giwretry(struct net_device *dev,
1412				 struct iw_request_info *info,
1413				 struct iw_param *rrq, char *extra)
1414{
1415	struct hostap_interface *iface;
1416	local_info_t *local;
1417	__le16 shortretry, longretry, lifetime, altretry;
1418
1419	iface = netdev_priv(dev);
1420	local = iface->local;
1421
1422	if (local->func->get_rid(dev, HFA384X_RID_SHORTRETRYLIMIT, &shortretry,
1423				 2, 1) < 0 ||
1424	    local->func->get_rid(dev, HFA384X_RID_LONGRETRYLIMIT, &longretry,
1425				 2, 1) < 0 ||
1426	    local->func->get_rid(dev, HFA384X_RID_MAXTRANSMITLIFETIME,
1427				 &lifetime, 2, 1) < 0)
1428		return -EINVAL;
1429
1430	rrq->disabled = 0;
1431
1432	if ((rrq->flags & IW_RETRY_TYPE) == IW_RETRY_LIFETIME) {
1433		rrq->flags = IW_RETRY_LIFETIME;
1434		rrq->value = le16_to_cpu(lifetime) * 1024;
1435	} else {
1436		if (local->manual_retry_count >= 0) {
1437			rrq->flags = IW_RETRY_LIMIT;
1438			if (local->func->get_rid(dev,
1439						 HFA384X_RID_CNFALTRETRYCOUNT,
1440						 &altretry, 2, 1) >= 0)
1441				rrq->value = le16_to_cpu(altretry);
1442			else
1443				rrq->value = local->manual_retry_count;
1444		} else if ((rrq->flags & IW_RETRY_LONG)) {
1445			rrq->flags = IW_RETRY_LIMIT | IW_RETRY_LONG;
1446			rrq->value = le16_to_cpu(longretry);
1447		} else {
1448			rrq->flags = IW_RETRY_LIMIT;
1449			rrq->value = le16_to_cpu(shortretry);
1450			if (shortretry != longretry)
1451				rrq->flags |= IW_RETRY_SHORT;
1452		}
1453	}
1454	return 0;
1455}
1456
1457
1458/* Note! This TX power controlling is experimental and should not be used in
1459 * production use. It just sets raw power register and does not use any kind of
1460 * feedback information from the measured TX power (CR58). This is now
1461 * commented out to make sure that it is not used by accident. TX power
1462 * configuration will be enabled again after proper algorithm using feedback
1463 * has been implemented. */
1464
1465#ifdef RAW_TXPOWER_SETTING
1466/* Map HFA386x's CR31 to and from dBm with some sort of ad hoc mapping..
1467 * This version assumes following mapping:
1468 * CR31 is 7-bit value with -64 to +63 range.
1469 * -64 is mapped into +20dBm and +63 into -43dBm.
1470 * This is certainly not an exact mapping for every card, but at least
1471 * increasing dBm value should correspond to increasing TX power.
1472 */
1473
1474static int prism2_txpower_hfa386x_to_dBm(u16 val)
1475{
1476	signed char tmp;
1477
1478	if (val > 255)
1479		val = 255;
1480
1481	tmp = val;
1482	tmp >>= 2;
1483
1484	return -12 - tmp;
1485}
1486
1487static u16 prism2_txpower_dBm_to_hfa386x(int val)
1488{
1489	signed char tmp;
1490
1491	if (val > 20)
1492		return 128;
1493	else if (val < -43)
1494		return 127;
1495
1496	tmp = val;
1497	tmp = -12 - tmp;
1498	tmp <<= 2;
1499
1500	return (unsigned char) tmp;
1501}
1502#endif /* RAW_TXPOWER_SETTING */
1503
1504
1505static int prism2_ioctl_siwtxpow(struct net_device *dev,
1506				 struct iw_request_info *info,
1507				 struct iw_param *rrq, char *extra)
1508{
1509	struct hostap_interface *iface;
1510	local_info_t *local;
1511#ifdef RAW_TXPOWER_SETTING
1512	char *tmp;
1513#endif
1514	u16 val;
1515	int ret = 0;
1516
1517	iface = netdev_priv(dev);
1518	local = iface->local;
1519
1520	if (rrq->disabled) {
1521		if (local->txpower_type != PRISM2_TXPOWER_OFF) {
1522			val = 0xff; /* use all standby and sleep modes */
1523			ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1524					       HFA386X_CR_A_D_TEST_MODES2,
1525					       &val, NULL);
1526			printk(KERN_DEBUG "%s: Turning radio off: %s\n",
1527			       dev->name, ret ? "failed" : "OK");
1528			local->txpower_type = PRISM2_TXPOWER_OFF;
1529		}
1530		return (ret ? -EOPNOTSUPP : 0);
1531	}
1532
1533	if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1534		val = 0; /* disable all standby and sleep modes */
1535		ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1536				       HFA386X_CR_A_D_TEST_MODES2, &val, NULL);
1537		printk(KERN_DEBUG "%s: Turning radio on: %s\n",
1538		       dev->name, ret ? "failed" : "OK");
1539		local->txpower_type = PRISM2_TXPOWER_UNKNOWN;
1540	}
1541
1542#ifdef RAW_TXPOWER_SETTING
1543	if (!rrq->fixed && local->txpower_type != PRISM2_TXPOWER_AUTO) {
1544		printk(KERN_DEBUG "Setting ALC on\n");
1545		val = HFA384X_TEST_CFG_BIT_ALC;
1546		local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1547				 (HFA384X_TEST_CFG_BITS << 8), 1, &val, NULL);
1548		local->txpower_type = PRISM2_TXPOWER_AUTO;
1549		return 0;
1550	}
1551
1552	if (local->txpower_type != PRISM2_TXPOWER_FIXED) {
1553		printk(KERN_DEBUG "Setting ALC off\n");
1554		val = HFA384X_TEST_CFG_BIT_ALC;
1555		local->func->cmd(dev, HFA384X_CMDCODE_TEST |
1556				 (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
1557			local->txpower_type = PRISM2_TXPOWER_FIXED;
1558	}
1559
1560	if (rrq->flags == IW_TXPOW_DBM)
1561		tmp = "dBm";
1562	else if (rrq->flags == IW_TXPOW_MWATT)
1563		tmp = "mW";
1564	else
1565		tmp = "UNKNOWN";
1566	printk(KERN_DEBUG "Setting TX power to %d %s\n", rrq->value, tmp);
1567
1568	if (rrq->flags != IW_TXPOW_DBM) {
1569		printk("SIOCSIWTXPOW with mW is not supported; use dBm\n");
1570		return -EOPNOTSUPP;
1571	}
1572
1573	local->txpower = rrq->value;
1574	val = prism2_txpower_dBm_to_hfa386x(local->txpower);
1575	if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
1576			     HFA386X_CR_MANUAL_TX_POWER, &val, NULL))
1577		ret = -EOPNOTSUPP;
1578#else /* RAW_TXPOWER_SETTING */
1579	if (rrq->fixed)
1580		ret = -EOPNOTSUPP;
1581#endif /* RAW_TXPOWER_SETTING */
1582
1583	return ret;
1584}
1585
1586static int prism2_ioctl_giwtxpow(struct net_device *dev,
1587				 struct iw_request_info *info,
1588				 struct iw_param *rrq, char *extra)
1589{
1590#ifdef RAW_TXPOWER_SETTING
1591	struct hostap_interface *iface;
1592	local_info_t *local;
1593	u16 resp0;
1594
1595	iface = netdev_priv(dev);
1596	local = iface->local;
1597
1598	rrq->flags = IW_TXPOW_DBM;
1599	rrq->disabled = 0;
1600	rrq->fixed = 0;
1601
1602	if (local->txpower_type == PRISM2_TXPOWER_AUTO) {
1603		if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF,
1604				     HFA386X_CR_MANUAL_TX_POWER,
1605				     NULL, &resp0) == 0) {
1606			rrq->value = prism2_txpower_hfa386x_to_dBm(resp0);
1607		} else {
1608			/* Could not get real txpower; guess 15 dBm */
1609			rrq->value = 15;
1610		}
1611	} else if (local->txpower_type == PRISM2_TXPOWER_OFF) {
1612		rrq->value = 0;
1613		rrq->disabled = 1;
1614	} else if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
1615		rrq->value = local->txpower;
1616		rrq->fixed = 1;
1617	} else {
1618		printk("SIOCGIWTXPOW - unknown txpower_type=%d\n",
1619		       local->txpower_type);
1620	}
1621	return 0;
1622#else /* RAW_TXPOWER_SETTING */
1623	return -EOPNOTSUPP;
1624#endif /* RAW_TXPOWER_SETTING */
1625}
1626
1627
1628#ifndef PRISM2_NO_STATION_MODES
1629
1630/* HostScan request works with and without host_roaming mode. In addition, it
1631 * does not break current association. However, it requires newer station
1632 * firmware version (>= 1.3.1) than scan request. */
1633static int prism2_request_hostscan(struct net_device *dev,
1634				   u8 *ssid, u8 ssid_len)
1635{
1636	struct hostap_interface *iface;
1637	local_info_t *local;
1638	struct hfa384x_hostscan_request scan_req;
1639
1640	iface = netdev_priv(dev);
1641	local = iface->local;
1642
1643	memset(&scan_req, 0, sizeof(scan_req));
1644	scan_req.channel_list = cpu_to_le16(local->channel_mask &
1645					    local->scan_channel_mask);
1646	scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1647	if (ssid) {
1648		if (ssid_len > 32)
1649			return -EINVAL;
1650		scan_req.target_ssid_len = cpu_to_le16(ssid_len);
1651		memcpy(scan_req.target_ssid, ssid, ssid_len);
1652	}
1653
1654	if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
1655				 sizeof(scan_req))) {
1656		printk(KERN_DEBUG "%s: HOSTSCAN failed\n", dev->name);
1657		return -EINVAL;
1658	}
1659	return 0;
1660}
1661
1662
1663static int prism2_request_scan(struct net_device *dev)
1664{
1665	struct hostap_interface *iface;
1666	local_info_t *local;
1667	struct hfa384x_scan_request scan_req;
1668	int ret = 0;
1669
1670	iface = netdev_priv(dev);
1671	local = iface->local;
1672
1673	memset(&scan_req, 0, sizeof(scan_req));
1674	scan_req.channel_list = cpu_to_le16(local->channel_mask &
1675					    local->scan_channel_mask);
1676	scan_req.txrate = cpu_to_le16(HFA384X_RATES_1MBPS);
1677
1678	/* FIX:
1679	 * It seems to be enough to set roaming mode for a short moment to
1680	 * host-based and then setup scanrequest data and return the mode to
1681	 * firmware-based.
1682	 *
1683	 * Master mode would need to drop to Managed mode for a short while
1684	 * to make scanning work.. Or sweep through the different channels and
1685	 * use passive scan based on beacons. */
1686
1687	if (!local->host_roaming)
1688		hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1689				HFA384X_ROAMING_HOST);
1690
1691	if (local->func->set_rid(dev, HFA384X_RID_SCANREQUEST, &scan_req,
1692				 sizeof(scan_req))) {
1693		printk(KERN_DEBUG "SCANREQUEST failed\n");
1694		ret = -EINVAL;
1695	}
1696
1697	if (!local->host_roaming)
1698		hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
1699				HFA384X_ROAMING_FIRMWARE);
1700
1701	return ret;
1702}
1703
1704#else /* !PRISM2_NO_STATION_MODES */
1705
1706static inline int prism2_request_hostscan(struct net_device *dev,
1707					  u8 *ssid, u8 ssid_len)
1708{
1709	return -EOPNOTSUPP;
1710}
1711
1712
1713static inline int prism2_request_scan(struct net_device *dev)
1714{
1715	return -EOPNOTSUPP;
1716}
1717
1718#endif /* !PRISM2_NO_STATION_MODES */
1719
1720
1721static int prism2_ioctl_siwscan(struct net_device *dev,
1722				struct iw_request_info *info,
1723				struct iw_point *data, char *extra)
1724{
1725	struct hostap_interface *iface;
1726	local_info_t *local;
1727	int ret;
1728	u8 *ssid = NULL, ssid_len = 0;
1729	struct iw_scan_req *req = (struct iw_scan_req *) extra;
1730
1731	iface = netdev_priv(dev);
1732	local = iface->local;
1733
1734	if (data->length < sizeof(struct iw_scan_req))
1735		req = NULL;
1736
1737	if (local->iw_mode == IW_MODE_MASTER) {
1738		/* In master mode, we just return the results of our local
1739		 * tables, so we don't need to start anything...
1740		 * Jean II */
1741		data->length = 0;
1742		return 0;
1743	}
1744
1745	if (!local->dev_enabled)
1746		return -ENETDOWN;
1747
1748	if (req && data->flags & IW_SCAN_THIS_ESSID) {
1749		ssid = req->essid;
1750		ssid_len = req->essid_len;
1751
1752		if (ssid_len &&
1753		    ((local->iw_mode != IW_MODE_INFRA &&
1754		      local->iw_mode != IW_MODE_ADHOC) ||
1755		     (local->sta_fw_ver < PRISM2_FW_VER(1,3,1))))
1756			return -EOPNOTSUPP;
1757	}
1758
1759	if (local->sta_fw_ver >= PRISM2_FW_VER(1,3,1))
1760		ret = prism2_request_hostscan(dev, ssid, ssid_len);
1761	else
1762		ret = prism2_request_scan(dev);
1763
1764	if (ret == 0)
1765		local->scan_timestamp = jiffies;
1766
1767	/* Could inquire F101, F103 or wait for SIOCGIWSCAN and read RID */
1768
1769	return ret;
1770}
1771
1772
1773#ifndef PRISM2_NO_STATION_MODES
1774static char * __prism2_translate_scan(local_info_t *local,
1775				      struct iw_request_info *info,
1776				      struct hfa384x_hostscan_result *scan,
1777				      struct hostap_bss_info *bss,
1778				      char *current_ev, char *end_buf)
1779{
1780	int i, chan;
1781	struct iw_event iwe;
1782	char *current_val;
1783	u16 capabilities;
1784	u8 *pos;
1785	u8 *ssid, *bssid;
1786	size_t ssid_len;
1787	char *buf;
1788
1789	if (bss) {
1790		ssid = bss->ssid;
1791		ssid_len = bss->ssid_len;
1792		bssid = bss->bssid;
1793	} else {
1794		ssid = scan->ssid;
1795		ssid_len = le16_to_cpu(scan->ssid_len);
1796		bssid = scan->bssid;
1797	}
1798	if (ssid_len > 32)
1799		ssid_len = 32;
1800
1801	/* First entry *MUST* be the AP MAC address */
1802	memset(&iwe, 0, sizeof(iwe));
1803	iwe.cmd = SIOCGIWAP;
1804	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
1805	memcpy(iwe.u.ap_addr.sa_data, bssid, ETH_ALEN);
1806	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
1807					  IW_EV_ADDR_LEN);
1808
1809	/* Other entries will be displayed in the order we give them */
1810
1811	memset(&iwe, 0, sizeof(iwe));
1812	iwe.cmd = SIOCGIWESSID;
1813	iwe.u.data.length = ssid_len;
1814	iwe.u.data.flags = 1;
1815	current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1816					  &iwe, ssid);
1817
1818	memset(&iwe, 0, sizeof(iwe));
1819	iwe.cmd = SIOCGIWMODE;
1820	if (bss) {
1821		capabilities = bss->capab_info;
1822	} else {
1823		capabilities = le16_to_cpu(scan->capability);
1824	}
1825	if (capabilities & (WLAN_CAPABILITY_ESS |
1826			    WLAN_CAPABILITY_IBSS)) {
1827		if (capabilities & WLAN_CAPABILITY_ESS)
1828			iwe.u.mode = IW_MODE_MASTER;
1829		else
1830			iwe.u.mode = IW_MODE_ADHOC;
1831		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1832						  &iwe, IW_EV_UINT_LEN);
1833	}
1834
1835	memset(&iwe, 0, sizeof(iwe));
1836	iwe.cmd = SIOCGIWFREQ;
1837	if (scan) {
1838		chan = le16_to_cpu(scan->chid);
1839	} else if (bss) {
1840		chan = bss->chan;
1841	} else {
1842		chan = 0;
1843	}
1844
1845	if (chan > 0) {
1846		iwe.u.freq.m = freq_list[chan - 1] * 100000;
1847		iwe.u.freq.e = 1;
1848		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1849						  &iwe, IW_EV_FREQ_LEN);
1850	}
1851
1852	if (scan) {
1853		memset(&iwe, 0, sizeof(iwe));
1854		iwe.cmd = IWEVQUAL;
1855		if (local->last_scan_type == PRISM2_HOSTSCAN) {
1856			iwe.u.qual.level = le16_to_cpu(scan->sl);
1857			iwe.u.qual.noise = le16_to_cpu(scan->anl);
1858		} else {
1859			iwe.u.qual.level =
1860				HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
1861			iwe.u.qual.noise =
1862				HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->anl));
1863		}
1864		iwe.u.qual.updated = IW_QUAL_LEVEL_UPDATED
1865			| IW_QUAL_NOISE_UPDATED
1866			| IW_QUAL_QUAL_INVALID
1867			| IW_QUAL_DBM;
1868		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
1869						  &iwe, IW_EV_QUAL_LEN);
1870	}
1871
1872	memset(&iwe, 0, sizeof(iwe));
1873	iwe.cmd = SIOCGIWENCODE;
1874	if (capabilities & WLAN_CAPABILITY_PRIVACY)
1875		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
1876	else
1877		iwe.u.data.flags = IW_ENCODE_DISABLED;
1878	iwe.u.data.length = 0;
1879	current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, "");
1880
1881	/* TODO: add SuppRates into BSS table */
1882	if (scan) {
1883		memset(&iwe, 0, sizeof(iwe));
1884		iwe.cmd = SIOCGIWRATE;
1885		current_val = current_ev + iwe_stream_lcp_len(info);
1886		pos = scan->sup_rates;
1887		for (i = 0; i < sizeof(scan->sup_rates); i++) {
1888			if (pos[i] == 0)
1889				break;
1890			/* Bit rate given in 500 kb/s units (+ 0x80) */
1891			iwe.u.bitrate.value = ((pos[i] & 0x7f) * 500000);
1892			current_val = iwe_stream_add_value(
1893				info, current_ev, current_val, end_buf, &iwe,
1894				IW_EV_PARAM_LEN);
1895		}
1896		/* Check if we added any event */
1897		if ((current_val - current_ev) > iwe_stream_lcp_len(info))
1898			current_ev = current_val;
1899	}
1900
1901	/* TODO: add BeaconInt,resp_rate,atim into BSS table */
1902	buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_ATOMIC);
1903	if (buf && scan) {
1904		memset(&iwe, 0, sizeof(iwe));
1905		iwe.cmd = IWEVCUSTOM;
1906		sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
1907		iwe.u.data.length = strlen(buf);
1908		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1909						  &iwe, buf);
1910
1911		memset(&iwe, 0, sizeof(iwe));
1912		iwe.cmd = IWEVCUSTOM;
1913		sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
1914		iwe.u.data.length = strlen(buf);
1915		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1916						  &iwe, buf);
1917
1918		if (local->last_scan_type == PRISM2_HOSTSCAN &&
1919		    (capabilities & WLAN_CAPABILITY_IBSS)) {
1920			memset(&iwe, 0, sizeof(iwe));
1921			iwe.cmd = IWEVCUSTOM;
1922			sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
1923			iwe.u.data.length = strlen(buf);
1924			current_ev = iwe_stream_add_point(info, current_ev,
1925							  end_buf, &iwe, buf);
1926		}
1927	}
1928	kfree(buf);
1929
1930	if (bss && bss->wpa_ie_len > 0 && bss->wpa_ie_len <= MAX_WPA_IE_LEN) {
1931		memset(&iwe, 0, sizeof(iwe));
1932		iwe.cmd = IWEVGENIE;
1933		iwe.u.data.length = bss->wpa_ie_len;
1934		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1935						  &iwe, bss->wpa_ie);
1936	}
1937
1938	if (bss && bss->rsn_ie_len > 0 && bss->rsn_ie_len <= MAX_WPA_IE_LEN) {
1939		memset(&iwe, 0, sizeof(iwe));
1940		iwe.cmd = IWEVGENIE;
1941		iwe.u.data.length = bss->rsn_ie_len;
1942		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
1943						  &iwe, bss->rsn_ie);
1944	}
1945
1946	return current_ev;
1947}
1948
1949
1950/* Translate scan data returned from the card to a card independent
1951 * format that the Wireless Tools will understand - Jean II */
1952static inline int prism2_translate_scan(local_info_t *local,
1953					struct iw_request_info *info,
1954					char *buffer, int buflen)
1955{
1956	struct hfa384x_hostscan_result *scan;
1957	int entry, hostscan;
1958	char *current_ev = buffer;
1959	char *end_buf = buffer + buflen;
1960	struct list_head *ptr;
1961
1962	spin_lock_bh(&local->lock);
1963
1964	list_for_each(ptr, &local->bss_list) {
1965		struct hostap_bss_info *bss;
1966		bss = list_entry(ptr, struct hostap_bss_info, list);
1967		bss->included = 0;
1968	}
1969
1970	hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
1971	for (entry = 0; entry < local->last_scan_results_count; entry++) {
1972		int found = 0;
1973		scan = &local->last_scan_results[entry];
1974
1975		/* Report every SSID if the AP is using multiple SSIDs. If no
1976		 * BSS record is found (e.g., when WPA mode is disabled),
1977		 * report the AP once. */
1978		list_for_each(ptr, &local->bss_list) {
1979			struct hostap_bss_info *bss;
1980			bss = list_entry(ptr, struct hostap_bss_info, list);
1981			if (ether_addr_equal(bss->bssid, scan->bssid)) {
1982				bss->included = 1;
1983				current_ev = __prism2_translate_scan(
1984					local, info, scan, bss, current_ev,
1985					end_buf);
1986				found++;
1987			}
1988		}
1989		if (!found) {
1990			current_ev = __prism2_translate_scan(
1991				local, info, scan, NULL, current_ev, end_buf);
1992		}
1993		/* Check if there is space for one more entry */
1994		if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
1995			/* Ask user space to try again with a bigger buffer */
1996			spin_unlock_bh(&local->lock);
1997			return -E2BIG;
1998		}
1999	}
2000
2001	/* Prism2 firmware has limits (32 at least in some versions) for number
2002	 * of BSSes in scan results. Extend this limit by using local BSS list.
2003	 */
2004	list_for_each(ptr, &local->bss_list) {
2005		struct hostap_bss_info *bss;
2006		bss = list_entry(ptr, struct hostap_bss_info, list);
2007		if (bss->included)
2008			continue;
2009		current_ev = __prism2_translate_scan(local, info, NULL, bss,
2010						     current_ev, end_buf);
2011		/* Check if there is space for one more entry */
2012		if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
2013			/* Ask user space to try again with a bigger buffer */
2014			spin_unlock_bh(&local->lock);
2015			return -E2BIG;
2016		}
2017	}
2018
2019	spin_unlock_bh(&local->lock);
2020
2021	return current_ev - buffer;
2022}
2023#endif /* PRISM2_NO_STATION_MODES */
2024
2025
2026static inline int prism2_ioctl_giwscan_sta(struct net_device *dev,
2027					   struct iw_request_info *info,
2028					   struct iw_point *data, char *extra)
2029{
2030#ifdef PRISM2_NO_STATION_MODES
2031	return -EOPNOTSUPP;
2032#else /* PRISM2_NO_STATION_MODES */
2033	struct hostap_interface *iface;
2034	local_info_t *local;
2035	int res;
2036
2037	iface = netdev_priv(dev);
2038	local = iface->local;
2039
2040	/* Wait until the scan is finished. We can probably do better
2041	 * than that - Jean II */
2042	if (local->scan_timestamp &&
2043	    time_before(jiffies, local->scan_timestamp + 3 * HZ)) {
2044		/* Important note : we don't want to block the caller
2045		 * until results are ready for various reasons.
2046		 * First, managing wait queues is complex and racy
2047		 * (there may be multiple simultaneous callers).
2048		 * Second, we grab some rtnetlink lock before coming
2049		 * here (in dev_ioctl()).
2050		 * Third, the caller can wait on the Wireless Event
2051		 * - Jean II */
2052		return -EAGAIN;
2053	}
2054	local->scan_timestamp = 0;
2055
2056	res = prism2_translate_scan(local, info, extra, data->length);
2057
2058	if (res >= 0) {
2059		data->length = res;
2060		return 0;
2061	} else {
2062		data->length = 0;
2063		return res;
2064	}
2065#endif /* PRISM2_NO_STATION_MODES */
2066}
2067
2068
2069static int prism2_ioctl_giwscan(struct net_device *dev,
2070				struct iw_request_info *info,
2071				struct iw_point *data, char *extra)
2072{
2073	struct hostap_interface *iface;
2074	local_info_t *local;
2075	int res;
2076
2077	iface = netdev_priv(dev);
2078	local = iface->local;
2079
2080	if (local->iw_mode == IW_MODE_MASTER) {
2081		/* In MASTER mode, it doesn't make sense to go around
2082		 * scanning the frequencies and make the stations we serve
2083		 * wait when what the user is really interested about is the
2084		 * list of stations and access points we are talking to.
2085		 * So, just extract results from our cache...
2086		 * Jean II */
2087
2088		/* Translate to WE format */
2089		res = prism2_ap_translate_scan(dev, info, extra);
2090		if (res >= 0) {
2091			printk(KERN_DEBUG "Scan result translation succeeded "
2092			       "(length=%d)\n", res);
2093			data->length = res;
2094			return 0;
2095		} else {
2096			printk(KERN_DEBUG
2097			       "Scan result translation failed (res=%d)\n",
2098			       res);
2099			data->length = 0;
2100			return res;
2101		}
2102	} else {
2103		/* Station mode */
2104		return prism2_ioctl_giwscan_sta(dev, info, data, extra);
2105	}
2106}
2107
2108
2109static const struct iw_priv_args prism2_priv[] = {
2110	{ PRISM2_IOCTL_MONITOR,
2111	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor" },
2112	{ PRISM2_IOCTL_READMIF,
2113	  IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1,
2114	  IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 1, "readmif" },
2115	{ PRISM2_IOCTL_WRITEMIF,
2116	  IW_PRIV_TYPE_BYTE | IW_PRIV_SIZE_FIXED | 2, 0, "writemif" },
2117	{ PRISM2_IOCTL_RESET,
2118	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "reset" },
2119	{ PRISM2_IOCTL_INQUIRE,
2120	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "inquire" },
2121	{ PRISM2_IOCTL_SET_RID_WORD,
2122	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "set_rid_word" },
2123	{ PRISM2_IOCTL_MACCMD,
2124	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "maccmd" },
2125	{ PRISM2_IOCTL_WDS_ADD,
2126	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_add" },
2127	{ PRISM2_IOCTL_WDS_DEL,
2128	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "wds_del" },
2129	{ PRISM2_IOCTL_ADDMAC,
2130	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "addmac" },
2131	{ PRISM2_IOCTL_DELMAC,
2132	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "delmac" },
2133	{ PRISM2_IOCTL_KICKMAC,
2134	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac" },
2135	/* --- raw access to sub-ioctls --- */
2136	{ PRISM2_IOCTL_PRISM2_PARAM,
2137	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "prism2_param" },
2138	{ PRISM2_IOCTL_GET_PRISM2_PARAM,
2139	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
2140	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprism2_param" },
2141	/* --- sub-ioctls handlers --- */
2142	{ PRISM2_IOCTL_PRISM2_PARAM,
2143	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "" },
2144	{ PRISM2_IOCTL_GET_PRISM2_PARAM,
2145	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "" },
2146	/* --- sub-ioctls definitions --- */
2147	{ PRISM2_PARAM_TXRATECTRL,
2148	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "txratectrl" },
2149	{ PRISM2_PARAM_TXRATECTRL,
2150	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettxratectrl" },
2151	{ PRISM2_PARAM_BEACON_INT,
2152	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "beacon_int" },
2153	{ PRISM2_PARAM_BEACON_INT,
2154	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbeacon_int" },
2155#ifndef PRISM2_NO_STATION_MODES
2156	{ PRISM2_PARAM_PSEUDO_IBSS,
2157	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "pseudo_ibss" },
2158	{ PRISM2_PARAM_PSEUDO_IBSS,
2159	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getpseudo_ibss" },
2160#endif /* PRISM2_NO_STATION_MODES */
2161	{ PRISM2_PARAM_ALC,
2162	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "alc" },
2163	{ PRISM2_PARAM_ALC,
2164	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getalc" },
2165	{ PRISM2_PARAM_DUMP,
2166	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dump" },
2167	{ PRISM2_PARAM_DUMP,
2168	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdump" },
2169	{ PRISM2_PARAM_OTHER_AP_POLICY,
2170	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "other_ap_policy" },
2171	{ PRISM2_PARAM_OTHER_AP_POLICY,
2172	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getother_ap_pol" },
2173	{ PRISM2_PARAM_AP_MAX_INACTIVITY,
2174	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_inactivity" },
2175	{ PRISM2_PARAM_AP_MAX_INACTIVITY,
2176	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_inactivi" },
2177	{ PRISM2_PARAM_AP_BRIDGE_PACKETS,
2178	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bridge_packets" },
2179	{ PRISM2_PARAM_AP_BRIDGE_PACKETS,
2180	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbridge_packe" },
2181	{ PRISM2_PARAM_DTIM_PERIOD,
2182	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dtim_period" },
2183	{ PRISM2_PARAM_DTIM_PERIOD,
2184	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdtim_period" },
2185	{ PRISM2_PARAM_AP_NULLFUNC_ACK,
2186	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "nullfunc_ack" },
2187	{ PRISM2_PARAM_AP_NULLFUNC_ACK,
2188	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getnullfunc_ack" },
2189	{ PRISM2_PARAM_MAX_WDS,
2190	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "max_wds" },
2191	{ PRISM2_PARAM_MAX_WDS,
2192	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmax_wds" },
2193	{ PRISM2_PARAM_AP_AUTOM_AP_WDS,
2194	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "autom_ap_wds" },
2195	{ PRISM2_PARAM_AP_AUTOM_AP_WDS,
2196	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getautom_ap_wds" },
2197	{ PRISM2_PARAM_AP_AUTH_ALGS,
2198	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_auth_algs" },
2199	{ PRISM2_PARAM_AP_AUTH_ALGS,
2200	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_auth_algs" },
2201	{ PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2202	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "allow_fcserr" },
2203	{ PRISM2_PARAM_MONITOR_ALLOW_FCSERR,
2204	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getallow_fcserr" },
2205	{ PRISM2_PARAM_HOST_ENCRYPT,
2206	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_encrypt" },
2207	{ PRISM2_PARAM_HOST_ENCRYPT,
2208	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_encrypt" },
2209	{ PRISM2_PARAM_HOST_DECRYPT,
2210	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_decrypt" },
2211	{ PRISM2_PARAM_HOST_DECRYPT,
2212	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_decrypt" },
2213#ifndef PRISM2_NO_STATION_MODES
2214	{ PRISM2_PARAM_HOST_ROAMING,
2215	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "host_roaming" },
2216	{ PRISM2_PARAM_HOST_ROAMING,
2217	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethost_roaming" },
2218#endif /* PRISM2_NO_STATION_MODES */
2219	{ PRISM2_PARAM_BCRX_STA_KEY,
2220	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "bcrx_sta_key" },
2221	{ PRISM2_PARAM_BCRX_STA_KEY,
2222	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbcrx_sta_key" },
2223	{ PRISM2_PARAM_IEEE_802_1X,
2224	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ieee_802_1x" },
2225	{ PRISM2_PARAM_IEEE_802_1X,
2226	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getieee_802_1x" },
2227	{ PRISM2_PARAM_ANTSEL_TX,
2228	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_tx" },
2229	{ PRISM2_PARAM_ANTSEL_TX,
2230	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_tx" },
2231	{ PRISM2_PARAM_ANTSEL_RX,
2232	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "antsel_rx" },
2233	{ PRISM2_PARAM_ANTSEL_RX,
2234	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getantsel_rx" },
2235	{ PRISM2_PARAM_MONITOR_TYPE,
2236	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "monitor_type" },
2237	{ PRISM2_PARAM_MONITOR_TYPE,
2238	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getmonitor_type" },
2239	{ PRISM2_PARAM_WDS_TYPE,
2240	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wds_type" },
2241	{ PRISM2_PARAM_WDS_TYPE,
2242	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwds_type" },
2243	{ PRISM2_PARAM_HOSTSCAN,
2244	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostscan" },
2245	{ PRISM2_PARAM_HOSTSCAN,
2246	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostscan" },
2247	{ PRISM2_PARAM_AP_SCAN,
2248	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "ap_scan" },
2249	{ PRISM2_PARAM_AP_SCAN,
2250	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getap_scan" },
2251	{ PRISM2_PARAM_ENH_SEC,
2252	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "enh_sec" },
2253	{ PRISM2_PARAM_ENH_SEC,
2254	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getenh_sec" },
2255#ifdef PRISM2_IO_DEBUG
2256	{ PRISM2_PARAM_IO_DEBUG,
2257	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "io_debug" },
2258	{ PRISM2_PARAM_IO_DEBUG,
2259	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getio_debug" },
2260#endif /* PRISM2_IO_DEBUG */
2261	{ PRISM2_PARAM_BASIC_RATES,
2262	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "basic_rates" },
2263	{ PRISM2_PARAM_BASIC_RATES,
2264	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getbasic_rates" },
2265	{ PRISM2_PARAM_OPER_RATES,
2266	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "oper_rates" },
2267	{ PRISM2_PARAM_OPER_RATES,
2268	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getoper_rates" },
2269	{ PRISM2_PARAM_HOSTAPD,
2270	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd" },
2271	{ PRISM2_PARAM_HOSTAPD,
2272	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd" },
2273	{ PRISM2_PARAM_HOSTAPD_STA,
2274	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "hostapd_sta" },
2275	{ PRISM2_PARAM_HOSTAPD_STA,
2276	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gethostapd_sta" },
2277	{ PRISM2_PARAM_WPA,
2278	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wpa" },
2279	{ PRISM2_PARAM_WPA,
2280	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getwpa" },
2281	{ PRISM2_PARAM_PRIVACY_INVOKED,
2282	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "privacy_invoked" },
2283	{ PRISM2_PARAM_PRIVACY_INVOKED,
2284	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getprivacy_invo" },
2285	{ PRISM2_PARAM_TKIP_COUNTERMEASURES,
2286	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "tkip_countermea" },
2287	{ PRISM2_PARAM_TKIP_COUNTERMEASURES,
2288	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "gettkip_counter" },
2289	{ PRISM2_PARAM_DROP_UNENCRYPTED,
2290	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "drop_unencrypte" },
2291	{ PRISM2_PARAM_DROP_UNENCRYPTED,
2292	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getdrop_unencry" },
2293	{ PRISM2_PARAM_SCAN_CHANNEL_MASK,
2294	  IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "scan_channels" },
2295	{ PRISM2_PARAM_SCAN_CHANNEL_MASK,
2296	  0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "getscan_channel" },
2297};
2298
2299
2300static int prism2_ioctl_priv_inquire(struct net_device *dev, int *i)
2301{
2302	struct hostap_interface *iface;
2303	local_info_t *local;
2304
2305	iface = netdev_priv(dev);
2306	local = iface->local;
2307
2308	if (local->func->cmd(dev, HFA384X_CMDCODE_INQUIRE, *i, NULL, NULL))
2309		return -EOPNOTSUPP;
2310
2311	return 0;
2312}
2313
2314
2315static int prism2_ioctl_priv_prism2_param(struct net_device *dev,
2316					  struct iw_request_info *info,
2317					  void *wrqu, char *extra)
2318{
2319	struct hostap_interface *iface;
2320	local_info_t *local;
2321	int *i = (int *) extra;
2322	int param = *i;
2323	int value = *(i + 1);
2324	int ret = 0;
2325	u16 val;
2326
2327	iface = netdev_priv(dev);
2328	local = iface->local;
2329
2330	switch (param) {
2331	case PRISM2_PARAM_TXRATECTRL:
2332		local->fw_tx_rate_control = value;
2333		break;
2334
2335	case PRISM2_PARAM_BEACON_INT:
2336		if (hostap_set_word(dev, HFA384X_RID_CNFBEACONINT, value) ||
2337		    local->func->reset_port(dev))
2338			ret = -EINVAL;
2339		else
2340			local->beacon_int = value;
2341		break;
2342
2343#ifndef PRISM2_NO_STATION_MODES
2344	case PRISM2_PARAM_PSEUDO_IBSS:
2345		if (value == local->pseudo_adhoc)
2346			break;
2347
2348		if (value != 0 && value != 1) {
2349			ret = -EINVAL;
2350			break;
2351		}
2352
2353		printk(KERN_DEBUG "prism2: %s: pseudo IBSS change %d -> %d\n",
2354		       dev->name, local->pseudo_adhoc, value);
2355		local->pseudo_adhoc = value;
2356		if (local->iw_mode != IW_MODE_ADHOC)
2357			break;
2358
2359		if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2360				    hostap_get_porttype(local))) {
2361			ret = -EOPNOTSUPP;
2362			break;
2363		}
2364
2365		if (local->func->reset_port(dev))
2366			ret = -EINVAL;
2367		break;
2368#endif /* PRISM2_NO_STATION_MODES */
2369
2370	case PRISM2_PARAM_ALC:
2371		printk(KERN_DEBUG "%s: %s ALC\n", dev->name,
2372		       value == 0 ? "Disabling" : "Enabling");
2373		val = HFA384X_TEST_CFG_BIT_ALC;
2374		local->func->cmd(dev, HFA384X_CMDCODE_TEST |
2375				 (HFA384X_TEST_CFG_BITS << 8),
2376				 value == 0 ? 0 : 1, &val, NULL);
2377		break;
2378
2379	case PRISM2_PARAM_DUMP:
2380		local->frame_dump = value;
2381		break;
2382
2383	case PRISM2_PARAM_OTHER_AP_POLICY:
2384		if (value < 0 || value > 3) {
2385			ret = -EINVAL;
2386			break;
2387		}
2388		if (local->ap != NULL)
2389			local->ap->ap_policy = value;
2390		break;
2391
2392	case PRISM2_PARAM_AP_MAX_INACTIVITY:
2393		if (value < 0 || value > 7 * 24 * 60 * 60) {
2394			ret = -EINVAL;
2395			break;
2396		}
2397		if (local->ap != NULL)
2398			local->ap->max_inactivity = value * HZ;
2399		break;
2400
2401	case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2402		if (local->ap != NULL)
2403			local->ap->bridge_packets = value;
2404		break;
2405
2406	case PRISM2_PARAM_DTIM_PERIOD:
2407		if (value < 0 || value > 65535) {
2408			ret = -EINVAL;
2409			break;
2410		}
2411		if (hostap_set_word(dev, HFA384X_RID_CNFOWNDTIMPERIOD, value)
2412		    || local->func->reset_port(dev))
2413			ret = -EINVAL;
2414		else
2415			local->dtim_period = value;
2416		break;
2417
2418	case PRISM2_PARAM_AP_NULLFUNC_ACK:
2419		if (local->ap != NULL)
2420			local->ap->nullfunc_ack = value;
2421		break;
2422
2423	case PRISM2_PARAM_MAX_WDS:
2424		local->wds_max_connections = value;
2425		break;
2426
2427	case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2428		if (local->ap != NULL) {
2429			if (!local->ap->autom_ap_wds && value) {
2430				/* add WDS link to all APs in STA table */
2431				hostap_add_wds_links(local);
2432			}
2433			local->ap->autom_ap_wds = value;
2434		}
2435		break;
2436
2437	case PRISM2_PARAM_AP_AUTH_ALGS:
2438		local->auth_algs = value;
2439		if (hostap_set_auth_algs(local))
2440			ret = -EINVAL;
2441		break;
2442
2443	case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2444		local->monitor_allow_fcserr = value;
2445		break;
2446
2447	case PRISM2_PARAM_HOST_ENCRYPT:
2448		local->host_encrypt = value;
2449		if (hostap_set_encryption(local) ||
2450		    local->func->reset_port(dev))
2451			ret = -EINVAL;
2452		break;
2453
2454	case PRISM2_PARAM_HOST_DECRYPT:
2455		local->host_decrypt = value;
2456		if (hostap_set_encryption(local) ||
2457		    local->func->reset_port(dev))
2458			ret = -EINVAL;
2459		break;
2460
2461#ifndef PRISM2_NO_STATION_MODES
2462	case PRISM2_PARAM_HOST_ROAMING:
2463		if (value < 0 || value > 2) {
2464			ret = -EINVAL;
2465			break;
2466		}
2467		local->host_roaming = value;
2468		if (hostap_set_roaming(local) || local->func->reset_port(dev))
2469			ret = -EINVAL;
2470		break;
2471#endif /* PRISM2_NO_STATION_MODES */
2472
2473	case PRISM2_PARAM_BCRX_STA_KEY:
2474		local->bcrx_sta_key = value;
2475		break;
2476
2477	case PRISM2_PARAM_IEEE_802_1X:
2478		local->ieee_802_1x = value;
2479		break;
2480
2481	case PRISM2_PARAM_ANTSEL_TX:
2482		if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2483			ret = -EINVAL;
2484			break;
2485		}
2486		local->antsel_tx = value;
2487		hostap_set_antsel(local);
2488		break;
2489
2490	case PRISM2_PARAM_ANTSEL_RX:
2491		if (value < 0 || value > HOSTAP_ANTSEL_HIGH) {
2492			ret = -EINVAL;
2493			break;
2494		}
2495		local->antsel_rx = value;
2496		hostap_set_antsel(local);
2497		break;
2498
2499	case PRISM2_PARAM_MONITOR_TYPE:
2500		if (value != PRISM2_MONITOR_80211 &&
2501		    value != PRISM2_MONITOR_CAPHDR &&
2502		    value != PRISM2_MONITOR_PRISM &&
2503		    value != PRISM2_MONITOR_RADIOTAP) {
2504			ret = -EINVAL;
2505			break;
2506		}
2507		local->monitor_type = value;
2508		if (local->iw_mode == IW_MODE_MONITOR)
2509			hostap_monitor_set_type(local);
2510		break;
2511
2512	case PRISM2_PARAM_WDS_TYPE:
2513		local->wds_type = value;
2514		break;
2515
2516	case PRISM2_PARAM_HOSTSCAN:
2517	{
2518		struct hfa384x_hostscan_request scan_req;
2519		u16 rate;
2520
2521		memset(&scan_req, 0, sizeof(scan_req));
2522		scan_req.channel_list = cpu_to_le16(0x3fff);
2523		switch (value) {
2524		case 1: rate = HFA384X_RATES_1MBPS; break;
2525		case 2: rate = HFA384X_RATES_2MBPS; break;
2526		case 3: rate = HFA384X_RATES_5MBPS; break;
2527		case 4: rate = HFA384X_RATES_11MBPS; break;
2528		default: rate = HFA384X_RATES_1MBPS; break;
2529		}
2530		scan_req.txrate = cpu_to_le16(rate);
2531		/* leave SSID empty to accept all SSIDs */
2532
2533		if (local->iw_mode == IW_MODE_MASTER) {
2534			if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2535					    HFA384X_PORTTYPE_BSS) ||
2536			    local->func->reset_port(dev))
2537				printk(KERN_DEBUG "Leaving Host AP mode "
2538				       "for HostScan failed\n");
2539		}
2540
2541		if (local->func->set_rid(dev, HFA384X_RID_HOSTSCAN, &scan_req,
2542					 sizeof(scan_req))) {
2543			printk(KERN_DEBUG "HOSTSCAN failed\n");
2544			ret = -EINVAL;
2545		}
2546		if (local->iw_mode == IW_MODE_MASTER) {
2547			wait_queue_t __wait;
2548			init_waitqueue_entry(&__wait, current);
2549			add_wait_queue(&local->hostscan_wq, &__wait);
2550			set_current_state(TASK_INTERRUPTIBLE);
2551			schedule_timeout(HZ);
2552			if (signal_pending(current))
2553				ret = -EINTR;
2554			set_current_state(TASK_RUNNING);
2555			remove_wait_queue(&local->hostscan_wq, &__wait);
2556
2557			if (hostap_set_word(dev, HFA384X_RID_CNFPORTTYPE,
2558					    HFA384X_PORTTYPE_HOSTAP) ||
2559			    local->func->reset_port(dev))
2560				printk(KERN_DEBUG "Returning to Host AP mode "
2561				       "after HostScan failed\n");
2562		}
2563		break;
2564	}
2565
2566	case PRISM2_PARAM_AP_SCAN:
2567		local->passive_scan_interval = value;
2568		if (timer_pending(&local->passive_scan_timer))
2569			del_timer(&local->passive_scan_timer);
2570		if (value > 0 && value < INT_MAX / HZ) {
2571			local->passive_scan_timer.expires = jiffies +
2572				local->passive_scan_interval * HZ;
2573			add_timer(&local->passive_scan_timer);
2574		}
2575		break;
2576
2577	case PRISM2_PARAM_ENH_SEC:
2578		if (value < 0 || value > 3) {
2579			ret = -EINVAL;
2580			break;
2581		}
2582		local->enh_sec = value;
2583		if (hostap_set_word(dev, HFA384X_RID_CNFENHSECURITY,
2584				    local->enh_sec) ||
2585		    local->func->reset_port(dev)) {
2586			printk(KERN_INFO "%s: cnfEnhSecurity requires STA f/w "
2587			       "1.6.3 or newer\n", dev->name);
2588			ret = -EOPNOTSUPP;
2589		}
2590		break;
2591
2592#ifdef PRISM2_IO_DEBUG
2593	case PRISM2_PARAM_IO_DEBUG:
2594		local->io_debug_enabled = value;
2595		break;
2596#endif /* PRISM2_IO_DEBUG */
2597
2598	case PRISM2_PARAM_BASIC_RATES:
2599		if ((value & local->tx_rate_control) != value || value == 0) {
2600			printk(KERN_INFO "%s: invalid basic rate set - basic "
2601			       "rates must be in supported rate set\n",
2602			       dev->name);
2603			ret = -EINVAL;
2604			break;
2605		}
2606		local->basic_rates = value;
2607		if (hostap_set_word(dev, HFA384X_RID_CNFBASICRATES,
2608				    local->basic_rates) ||
2609		    local->func->reset_port(dev))
2610			ret = -EINVAL;
2611		break;
2612
2613	case PRISM2_PARAM_OPER_RATES:
2614		local->tx_rate_control = value;
2615		if (hostap_set_rate(dev))
2616			ret = -EINVAL;
2617		break;
2618
2619	case PRISM2_PARAM_HOSTAPD:
2620		ret = hostap_set_hostapd(local, value, 1);
2621		break;
2622
2623	case PRISM2_PARAM_HOSTAPD_STA:
2624		ret = hostap_set_hostapd_sta(local, value, 1);
2625		break;
2626
2627	case PRISM2_PARAM_WPA:
2628		local->wpa = value;
2629		if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2630			ret = -EOPNOTSUPP;
2631		else if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
2632					 value ? 1 : 0))
2633			ret = -EINVAL;
2634		break;
2635
2636	case PRISM2_PARAM_PRIVACY_INVOKED:
2637		local->privacy_invoked = value;
2638		if (hostap_set_encryption(local) ||
2639		    local->func->reset_port(dev))
2640			ret = -EINVAL;
2641		break;
2642
2643	case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2644		local->tkip_countermeasures = value;
2645		break;
2646
2647	case PRISM2_PARAM_DROP_UNENCRYPTED:
2648		local->drop_unencrypted = value;
2649		break;
2650
2651	case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2652		local->scan_channel_mask = value;
2653		break;
2654
2655	default:
2656		printk(KERN_DEBUG "%s: prism2_param: unknown param %d\n",
2657		       dev->name, param);
2658		ret = -EOPNOTSUPP;
2659		break;
2660	}
2661
2662	return ret;
2663}
2664
2665
2666static int prism2_ioctl_priv_get_prism2_param(struct net_device *dev,
2667					      struct iw_request_info *info,
2668					      void *wrqu, char *extra)
2669{
2670	struct hostap_interface *iface;
2671	local_info_t *local;
2672	int *param = (int *) extra;
2673	int ret = 0;
2674
2675	iface = netdev_priv(dev);
2676	local = iface->local;
2677
2678	switch (*param) {
2679	case PRISM2_PARAM_TXRATECTRL:
2680		*param = local->fw_tx_rate_control;
2681		break;
2682
2683	case PRISM2_PARAM_BEACON_INT:
2684		*param = local->beacon_int;
2685		break;
2686
2687	case PRISM2_PARAM_PSEUDO_IBSS:
2688		*param = local->pseudo_adhoc;
2689		break;
2690
2691	case PRISM2_PARAM_ALC:
2692		ret = -EOPNOTSUPP; /* FIX */
2693		break;
2694
2695	case PRISM2_PARAM_DUMP:
2696		*param = local->frame_dump;
2697		break;
2698
2699	case PRISM2_PARAM_OTHER_AP_POLICY:
2700		if (local->ap != NULL)
2701			*param = local->ap->ap_policy;
2702		else
2703			ret = -EOPNOTSUPP;
2704		break;
2705
2706	case PRISM2_PARAM_AP_MAX_INACTIVITY:
2707		if (local->ap != NULL)
2708			*param = local->ap->max_inactivity / HZ;
2709		else
2710			ret = -EOPNOTSUPP;
2711		break;
2712
2713	case PRISM2_PARAM_AP_BRIDGE_PACKETS:
2714		if (local->ap != NULL)
2715			*param = local->ap->bridge_packets;
2716		else
2717			ret = -EOPNOTSUPP;
2718		break;
2719
2720	case PRISM2_PARAM_DTIM_PERIOD:
2721		*param = local->dtim_period;
2722		break;
2723
2724	case PRISM2_PARAM_AP_NULLFUNC_ACK:
2725		if (local->ap != NULL)
2726			*param = local->ap->nullfunc_ack;
2727		else
2728			ret = -EOPNOTSUPP;
2729		break;
2730
2731	case PRISM2_PARAM_MAX_WDS:
2732		*param = local->wds_max_connections;
2733		break;
2734
2735	case PRISM2_PARAM_AP_AUTOM_AP_WDS:
2736		if (local->ap != NULL)
2737			*param = local->ap->autom_ap_wds;
2738		else
2739			ret = -EOPNOTSUPP;
2740		break;
2741
2742	case PRISM2_PARAM_AP_AUTH_ALGS:
2743		*param = local->auth_algs;
2744		break;
2745
2746	case PRISM2_PARAM_MONITOR_ALLOW_FCSERR:
2747		*param = local->monitor_allow_fcserr;
2748		break;
2749
2750	case PRISM2_PARAM_HOST_ENCRYPT:
2751		*param = local->host_encrypt;
2752		break;
2753
2754	case PRISM2_PARAM_HOST_DECRYPT:
2755		*param = local->host_decrypt;
2756		break;
2757
2758	case PRISM2_PARAM_HOST_ROAMING:
2759		*param = local->host_roaming;
2760		break;
2761
2762	case PRISM2_PARAM_BCRX_STA_KEY:
2763		*param = local->bcrx_sta_key;
2764		break;
2765
2766	case PRISM2_PARAM_IEEE_802_1X:
2767		*param = local->ieee_802_1x;
2768		break;
2769
2770	case PRISM2_PARAM_ANTSEL_TX:
2771		*param = local->antsel_tx;
2772		break;
2773
2774	case PRISM2_PARAM_ANTSEL_RX:
2775		*param = local->antsel_rx;
2776		break;
2777
2778	case PRISM2_PARAM_MONITOR_TYPE:
2779		*param = local->monitor_type;
2780		break;
2781
2782	case PRISM2_PARAM_WDS_TYPE:
2783		*param = local->wds_type;
2784		break;
2785
2786	case PRISM2_PARAM_HOSTSCAN:
2787		ret = -EOPNOTSUPP;
2788		break;
2789
2790	case PRISM2_PARAM_AP_SCAN:
2791		*param = local->passive_scan_interval;
2792		break;
2793
2794	case PRISM2_PARAM_ENH_SEC:
2795		*param = local->enh_sec;
2796		break;
2797
2798#ifdef PRISM2_IO_DEBUG
2799	case PRISM2_PARAM_IO_DEBUG:
2800		*param = local->io_debug_enabled;
2801		break;
2802#endif /* PRISM2_IO_DEBUG */
2803
2804	case PRISM2_PARAM_BASIC_RATES:
2805		*param = local->basic_rates;
2806		break;
2807
2808	case PRISM2_PARAM_OPER_RATES:
2809		*param = local->tx_rate_control;
2810		break;
2811
2812	case PRISM2_PARAM_HOSTAPD:
2813		*param = local->hostapd;
2814		break;
2815
2816	case PRISM2_PARAM_HOSTAPD_STA:
2817		*param = local->hostapd_sta;
2818		break;
2819
2820	case PRISM2_PARAM_WPA:
2821		if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
2822			ret = -EOPNOTSUPP;
2823		*param = local->wpa;
2824		break;
2825
2826	case PRISM2_PARAM_PRIVACY_INVOKED:
2827		*param = local->privacy_invoked;
2828		break;
2829
2830	case PRISM2_PARAM_TKIP_COUNTERMEASURES:
2831		*param = local->tkip_countermeasures;
2832		break;
2833
2834	case PRISM2_PARAM_DROP_UNENCRYPTED:
2835		*param = local->drop_unencrypted;
2836		break;
2837
2838	case PRISM2_PARAM_SCAN_CHANNEL_MASK:
2839		*param = local->scan_channel_mask;
2840		break;
2841
2842	default:
2843		printk(KERN_DEBUG "%s: get_prism2_param: unknown param %d\n",
2844		       dev->name, *param);
2845		ret = -EOPNOTSUPP;
2846		break;
2847	}
2848
2849	return ret;
2850}
2851
2852
2853static int prism2_ioctl_priv_readmif(struct net_device *dev,
2854				     struct iw_request_info *info,
2855				     void *wrqu, char *extra)
2856{
2857	struct hostap_interface *iface;
2858	local_info_t *local;
2859	u16 resp0;
2860
2861	iface = netdev_priv(dev);
2862	local = iface->local;
2863
2864	if (local->func->cmd(dev, HFA384X_CMDCODE_READMIF, *extra, NULL,
2865			     &resp0))
2866		return -EOPNOTSUPP;
2867	else
2868		*extra = resp0;
2869
2870	return 0;
2871}
2872
2873
2874static int prism2_ioctl_priv_writemif(struct net_device *dev,
2875				      struct iw_request_info *info,
2876				      void *wrqu, char *extra)
2877{
2878	struct hostap_interface *iface;
2879	local_info_t *local;
2880	u16 cr, val;
2881
2882	iface = netdev_priv(dev);
2883	local = iface->local;
2884
2885	cr = *extra;
2886	val = *(extra + 1);
2887	if (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF, cr, &val, NULL))
2888		return -EOPNOTSUPP;
2889
2890	return 0;
2891}
2892
2893
2894static int prism2_ioctl_priv_monitor(struct net_device *dev, int *i)
2895{
2896	struct hostap_interface *iface;
2897	local_info_t *local;
2898	int ret = 0;
2899	u32 mode;
2900
2901	iface = netdev_priv(dev);
2902	local = iface->local;
2903
2904	printk(KERN_DEBUG "%s: process %d (%s) used deprecated iwpriv monitor "
2905	       "- update software to use iwconfig mode monitor\n",
2906	       dev->name, task_pid_nr(current), current->comm);
2907
2908	/* Backward compatibility code - this can be removed at some point */
2909
2910	if (*i == 0) {
2911		/* Disable monitor mode - old mode was not saved, so go to
2912		 * Master mode */
2913		mode = IW_MODE_MASTER;
2914		ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2915	} else if (*i == 1) {
2916		/* netlink socket mode is not supported anymore since it did
2917		 * not separate different devices from each other and was not
2918		 * best method for delivering large amount of packets to
2919		 * user space */
2920		ret = -EOPNOTSUPP;
2921	} else if (*i == 2 || *i == 3) {
2922		switch (*i) {
2923		case 2:
2924			local->monitor_type = PRISM2_MONITOR_80211;
2925			break;
2926		case 3:
2927			local->monitor_type = PRISM2_MONITOR_PRISM;
2928			break;
2929		}
2930		mode = IW_MODE_MONITOR;
2931		ret = prism2_ioctl_siwmode(dev, NULL, &mode, NULL);
2932		hostap_monitor_mode_enable(local);
2933	} else
2934		ret = -EINVAL;
2935
2936	return ret;
2937}
2938
2939
2940static int prism2_ioctl_priv_reset(struct net_device *dev, int *i)
2941{
2942	struct hostap_interface *iface;
2943	local_info_t *local;
2944
2945	iface = netdev_priv(dev);
2946	local = iface->local;
2947
2948	printk(KERN_DEBUG "%s: manual reset request(%d)\n", dev->name, *i);
2949	switch (*i) {
2950	case 0:
2951		/* Disable and enable card */
2952		local->func->hw_shutdown(dev, 1);
2953		local->func->hw_config(dev, 0);
2954		break;
2955
2956	case 1:
2957		/* COR sreset */
2958		local->func->hw_reset(dev);
2959		break;
2960
2961	case 2:
2962		/* Disable and enable port 0 */
2963		local->func->reset_port(dev);
2964		break;
2965
2966	case 3:
2967		prism2_sta_deauth(local, WLAN_REASON_DEAUTH_LEAVING);
2968		if (local->func->cmd(dev, HFA384X_CMDCODE_DISABLE, 0, NULL,
2969				     NULL))
2970			return -EINVAL;
2971		break;
2972
2973	case 4:
2974		if (local->func->cmd(dev, HFA384X_CMDCODE_ENABLE, 0, NULL,
2975				     NULL))
2976			return -EINVAL;
2977		break;
2978
2979	default:
2980		printk(KERN_DEBUG "Unknown reset request %d\n", *i);
2981		return -EOPNOTSUPP;
2982	}
2983
2984	return 0;
2985}
2986
2987
2988static int prism2_ioctl_priv_set_rid_word(struct net_device *dev, int *i)
2989{
2990	int rid = *i;
2991	int value = *(i + 1);
2992
2993	printk(KERN_DEBUG "%s: Set RID[0x%X] = %d\n", dev->name, rid, value);
2994
2995	if (hostap_set_word(dev, rid, value))
2996		return -EINVAL;
2997
2998	return 0;
2999}
3000
3001
3002#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
3003static int ap_mac_cmd_ioctl(local_info_t *local, int *cmd)
3004{
3005	int ret = 0;
3006
3007	switch (*cmd) {
3008	case AP_MAC_CMD_POLICY_OPEN:
3009		local->ap->mac_restrictions.policy = MAC_POLICY_OPEN;
3010		break;
3011	case AP_MAC_CMD_POLICY_ALLOW:
3012		local->ap->mac_restrictions.policy = MAC_POLICY_ALLOW;
3013		break;
3014	case AP_MAC_CMD_POLICY_DENY:
3015		local->ap->mac_restrictions.policy = MAC_POLICY_DENY;
3016		break;
3017	case AP_MAC_CMD_FLUSH:
3018		ap_control_flush_macs(&local->ap->mac_restrictions);
3019		break;
3020	case AP_MAC_CMD_KICKALL:
3021		ap_control_kickall(local->ap);
3022		hostap_deauth_all_stas(local->dev, local->ap, 0);
3023		break;
3024	default:
3025		ret = -EOPNOTSUPP;
3026		break;
3027	}
3028
3029	return ret;
3030}
3031#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
3032
3033
3034#ifdef PRISM2_DOWNLOAD_SUPPORT
3035static int prism2_ioctl_priv_download(local_info_t *local, struct iw_point *p)
3036{
3037	struct prism2_download_param *param;
3038	int ret = 0;
3039
3040	if (p->length < sizeof(struct prism2_download_param) ||
3041	    p->length > 1024 || !p->pointer)
3042		return -EINVAL;
3043
3044	param = kmalloc(p->length, GFP_KERNEL);
3045	if (param == NULL)
3046		return -ENOMEM;
3047
3048	if (copy_from_user(param, p->pointer, p->length)) {
3049		ret = -EFAULT;
3050		goto out;
3051	}
3052
3053	if (p->length < sizeof(struct prism2_download_param) +
3054	    param->num_areas * sizeof(struct prism2_download_area)) {
3055		ret = -EINVAL;
3056		goto out;
3057	}
3058
3059	ret = local->func->download(local, param);
3060
3061 out:
3062	kfree(param);
3063	return ret;
3064}
3065#endif /* PRISM2_DOWNLOAD_SUPPORT */
3066
3067
3068static int prism2_set_genericelement(struct net_device *dev, u8 *elem,
3069				     size_t len)
3070{
3071	struct hostap_interface *iface = netdev_priv(dev);
3072	local_info_t *local = iface->local;
3073	u8 *buf;
3074
3075	/*
3076	 * Add 16-bit length in the beginning of the buffer because Prism2 RID
3077	 * includes it.
3078	 */
3079	buf = kmalloc(len + 2, GFP_KERNEL);
3080	if (buf == NULL)
3081		return -ENOMEM;
3082
3083	*((__le16 *) buf) = cpu_to_le16(len);
3084	memcpy(buf + 2, elem, len);
3085
3086	kfree(local->generic_elem);
3087	local->generic_elem = buf;
3088	local->generic_elem_len = len + 2;
3089
3090	return local->func->set_rid(local->dev, HFA384X_RID_GENERICELEMENT,
3091				    buf, len + 2);
3092}
3093
3094
3095static int prism2_ioctl_siwauth(struct net_device *dev,
3096				struct iw_request_info *info,
3097				struct iw_param *data, char *extra)
3098{
3099	struct hostap_interface *iface = netdev_priv(dev);
3100	local_info_t *local = iface->local;
3101
3102	switch (data->flags & IW_AUTH_INDEX) {
3103	case IW_AUTH_WPA_VERSION:
3104	case IW_AUTH_CIPHER_PAIRWISE:
3105	case IW_AUTH_CIPHER_GROUP:
3106	case IW_AUTH_KEY_MGMT:
3107		/*
3108		 * Host AP driver does not use these parameters and allows
3109		 * wpa_supplicant to control them internally.
3110		 */
3111		break;
3112	case IW_AUTH_TKIP_COUNTERMEASURES:
3113		local->tkip_countermeasures = data->value;
3114		break;
3115	case IW_AUTH_DROP_UNENCRYPTED:
3116		local->drop_unencrypted = data->value;
3117		break;
3118	case IW_AUTH_80211_AUTH_ALG:
3119		local->auth_algs = data->value;
3120		break;
3121	case IW_AUTH_WPA_ENABLED:
3122		if (data->value == 0) {
3123			local->wpa = 0;
3124			if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3125				break;
3126			prism2_set_genericelement(dev, "", 0);
3127			local->host_roaming = 0;
3128			local->privacy_invoked = 0;
3129			if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE,
3130					    0) ||
3131			    hostap_set_roaming(local) ||
3132			    hostap_set_encryption(local) ||
3133			    local->func->reset_port(dev))
3134				return -EINVAL;
3135			break;
3136		}
3137		if (local->sta_fw_ver < PRISM2_FW_VER(1,7,0))
3138			return -EOPNOTSUPP;
3139		local->host_roaming = 2;
3140		local->privacy_invoked = 1;
3141		local->wpa = 1;
3142		if (hostap_set_word(dev, HFA384X_RID_SSNHANDLINGMODE, 1) ||
3143		    hostap_set_roaming(local) ||
3144		    hostap_set_encryption(local) ||
3145		    local->func->reset_port(dev))
3146			return -EINVAL;
3147		break;
3148	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3149		local->ieee_802_1x = data->value;
3150		break;
3151	case IW_AUTH_PRIVACY_INVOKED:
3152		local->privacy_invoked = data->value;
3153		break;
3154	default:
3155		return -EOPNOTSUPP;
3156	}
3157	return 0;
3158}
3159
3160
3161static int prism2_ioctl_giwauth(struct net_device *dev,
3162				struct iw_request_info *info,
3163				struct iw_param *data, char *extra)
3164{
3165	struct hostap_interface *iface = netdev_priv(dev);
3166	local_info_t *local = iface->local;
3167
3168	switch (data->flags & IW_AUTH_INDEX) {
3169	case IW_AUTH_WPA_VERSION:
3170	case IW_AUTH_CIPHER_PAIRWISE:
3171	case IW_AUTH_CIPHER_GROUP:
3172	case IW_AUTH_KEY_MGMT:
3173		/*
3174		 * Host AP driver does not use these parameters and allows
3175		 * wpa_supplicant to control them internally.
3176		 */
3177		return -EOPNOTSUPP;
3178	case IW_AUTH_TKIP_COUNTERMEASURES:
3179		data->value = local->tkip_countermeasures;
3180		break;
3181	case IW_AUTH_DROP_UNENCRYPTED:
3182		data->value = local->drop_unencrypted;
3183		break;
3184	case IW_AUTH_80211_AUTH_ALG:
3185		data->value = local->auth_algs;
3186		break;
3187	case IW_AUTH_WPA_ENABLED:
3188		data->value = local->wpa;
3189		break;
3190	case IW_AUTH_RX_UNENCRYPTED_EAPOL:
3191		data->value = local->ieee_802_1x;
3192		break;
3193	default:
3194		return -EOPNOTSUPP;
3195	}
3196	return 0;
3197}
3198
3199
3200static int prism2_ioctl_siwencodeext(struct net_device *dev,
3201				     struct iw_request_info *info,
3202				     struct iw_point *erq, char *extra)
3203{
3204	struct hostap_interface *iface = netdev_priv(dev);
3205	local_info_t *local = iface->local;
3206	struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3207	int i, ret = 0;
3208	struct lib80211_crypto_ops *ops;
3209	struct lib80211_crypt_data **crypt;
3210	void *sta_ptr;
3211	u8 *addr;
3212	const char *alg, *module;
3213
3214	i = erq->flags & IW_ENCODE_INDEX;
3215	if (i > WEP_KEYS)
3216		return -EINVAL;
3217	if (i < 1 || i > WEP_KEYS)
3218		i = local->crypt_info.tx_keyidx;
3219	else
3220		i--;
3221	if (i < 0 || i >= WEP_KEYS)
3222		return -EINVAL;
3223
3224	addr = ext->addr.sa_data;
3225	if (is_broadcast_ether_addr(addr)) {
3226		sta_ptr = NULL;
3227		crypt = &local->crypt_info.crypt[i];
3228	} else {
3229		if (i != 0)
3230			return -EINVAL;
3231		sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3232		if (sta_ptr == NULL) {
3233			if (local->iw_mode == IW_MODE_INFRA) {
3234				/*
3235				 * TODO: add STA entry for the current AP so
3236				 * that unicast key can be used. For now, this
3237				 * is emulated by using default key idx 0.
3238				 */
3239				i = 0;
3240				crypt = &local->crypt_info.crypt[i];
3241			} else
3242				return -EINVAL;
3243		}
3244	}
3245
3246	if ((erq->flags & IW_ENCODE_DISABLED) ||
3247	    ext->alg == IW_ENCODE_ALG_NONE) {
3248		if (*crypt)
3249			lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3250		goto done;
3251	}
3252
3253	switch (ext->alg) {
3254	case IW_ENCODE_ALG_WEP:
3255		alg = "WEP";
3256		module = "lib80211_crypt_wep";
3257		break;
3258	case IW_ENCODE_ALG_TKIP:
3259		alg = "TKIP";
3260		module = "lib80211_crypt_tkip";
3261		break;
3262	case IW_ENCODE_ALG_CCMP:
3263		alg = "CCMP";
3264		module = "lib80211_crypt_ccmp";
3265		break;
3266	default:
3267		printk(KERN_DEBUG "%s: unsupported algorithm %d\n",
3268		       local->dev->name, ext->alg);
3269		ret = -EOPNOTSUPP;
3270		goto done;
3271	}
3272
3273	ops = lib80211_get_crypto_ops(alg);
3274	if (ops == NULL) {
3275		request_module(module);
3276		ops = lib80211_get_crypto_ops(alg);
3277	}
3278	if (ops == NULL) {
3279		printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3280		       local->dev->name, alg);
3281		ret = -EOPNOTSUPP;
3282		goto done;
3283	}
3284
3285	if (sta_ptr || ext->alg != IW_ENCODE_ALG_WEP) {
3286		/*
3287		 * Per station encryption and other than WEP algorithms
3288		 * require host-based encryption, so force them on
3289		 * automatically.
3290		 */
3291		local->host_decrypt = local->host_encrypt = 1;
3292	}
3293
3294	if (*crypt == NULL || (*crypt)->ops != ops) {
3295		struct lib80211_crypt_data *new_crypt;
3296
3297		lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3298
3299		new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3300				GFP_KERNEL);
3301		if (new_crypt == NULL) {
3302			ret = -ENOMEM;
3303			goto done;
3304		}
3305		new_crypt->ops = ops;
3306		if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
3307			new_crypt->priv = new_crypt->ops->init(i);
3308		if (new_crypt->priv == NULL) {
3309			kfree(new_crypt);
3310			ret = -EINVAL;
3311			goto done;
3312		}
3313
3314		*crypt = new_crypt;
3315	}
3316
3317	/*
3318	 * TODO: if ext_flags does not have IW_ENCODE_EXT_RX_SEQ_VALID, the
3319	 * existing seq# should not be changed.
3320	 * TODO: if ext_flags has IW_ENCODE_EXT_TX_SEQ_VALID, next TX seq#
3321	 * should be changed to something else than zero.
3322	 */
3323	if ((!(ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) || ext->key_len > 0)
3324	    && (*crypt)->ops->set_key &&
3325	    (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
3326				   (*crypt)->priv) < 0) {
3327		printk(KERN_DEBUG "%s: key setting failed\n",
3328		       local->dev->name);
3329		ret = -EINVAL;
3330		goto done;
3331	}
3332
3333	if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
3334		if (!sta_ptr)
3335			local->crypt_info.tx_keyidx = i;
3336	}
3337
3338
3339	if (sta_ptr == NULL && ext->key_len > 0) {
3340		int first = 1, j;
3341		for (j = 0; j < WEP_KEYS; j++) {
3342			if (j != i && local->crypt_info.crypt[j]) {
3343				first = 0;
3344				break;
3345			}
3346		}
3347		if (first)
3348			local->crypt_info.tx_keyidx = i;
3349	}
3350
3351 done:
3352	if (sta_ptr)
3353		hostap_handle_sta_release(sta_ptr);
3354
3355	local->open_wep = erq->flags & IW_ENCODE_OPEN;
3356
3357	/*
3358	 * Do not reset port0 if card is in Managed mode since resetting will
3359	 * generate new IEEE 802.11 authentication which may end up in looping
3360	 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3361	 * after WEP configuration. However, keys are apparently changed at
3362	 * least in Managed mode.
3363	 */
3364	if (ret == 0 &&
3365	    (hostap_set_encryption(local) ||
3366	     (local->iw_mode != IW_MODE_INFRA &&
3367	      local->func->reset_port(local->dev))))
3368		ret = -EINVAL;
3369
3370	return ret;
3371}
3372
3373
3374static int prism2_ioctl_giwencodeext(struct net_device *dev,
3375				     struct iw_request_info *info,
3376				     struct iw_point *erq, char *extra)
3377{
3378	struct hostap_interface *iface = netdev_priv(dev);
3379	local_info_t *local = iface->local;
3380	struct lib80211_crypt_data **crypt;
3381	void *sta_ptr;
3382	int max_key_len, i;
3383	struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
3384	u8 *addr;
3385
3386	max_key_len = erq->length - sizeof(*ext);
3387	if (max_key_len < 0)
3388		return -EINVAL;
3389
3390	i = erq->flags & IW_ENCODE_INDEX;
3391	if (i < 1 || i > WEP_KEYS)
3392		i = local->crypt_info.tx_keyidx;
3393	else
3394		i--;
3395
3396	addr = ext->addr.sa_data;
3397	if (is_broadcast_ether_addr(addr)) {
3398		sta_ptr = NULL;
3399		crypt = &local->crypt_info.crypt[i];
3400	} else {
3401		i = 0;
3402		sta_ptr = ap_crypt_get_ptrs(local->ap, addr, 0, &crypt);
3403		if (sta_ptr == NULL)
3404			return -EINVAL;
3405	}
3406	erq->flags = i + 1;
3407	memset(ext, 0, sizeof(*ext));
3408
3409	if (*crypt == NULL || (*crypt)->ops == NULL) {
3410		ext->alg = IW_ENCODE_ALG_NONE;
3411		ext->key_len = 0;
3412		erq->flags |= IW_ENCODE_DISABLED;
3413	} else {
3414		if (strcmp((*crypt)->ops->name, "WEP") == 0)
3415			ext->alg = IW_ENCODE_ALG_WEP;
3416		else if (strcmp((*crypt)->ops->name, "TKIP") == 0)
3417			ext->alg = IW_ENCODE_ALG_TKIP;
3418		else if (strcmp((*crypt)->ops->name, "CCMP") == 0)
3419			ext->alg = IW_ENCODE_ALG_CCMP;
3420		else
3421			return -EINVAL;
3422
3423		if ((*crypt)->ops->get_key) {
3424			ext->key_len =
3425				(*crypt)->ops->get_key(ext->key,
3426						       max_key_len,
3427						       ext->tx_seq,
3428						       (*crypt)->priv);
3429			if (ext->key_len &&
3430			    (ext->alg == IW_ENCODE_ALG_TKIP ||
3431			     ext->alg == IW_ENCODE_ALG_CCMP))
3432				ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
3433		}
3434	}
3435
3436	if (sta_ptr)
3437		hostap_handle_sta_release(sta_ptr);
3438
3439	return 0;
3440}
3441
3442
3443static int prism2_ioctl_set_encryption(local_info_t *local,
3444				       struct prism2_hostapd_param *param,
3445				       int param_len)
3446{
3447	int ret = 0;
3448	struct lib80211_crypto_ops *ops;
3449	struct lib80211_crypt_data **crypt;
3450	void *sta_ptr;
3451
3452	param->u.crypt.err = 0;
3453	param->u.crypt.alg[HOSTAP_CRYPT_ALG_NAME_LEN - 1] = '\0';
3454
3455	if (param_len !=
3456	    (int) ((char *) param->u.crypt.key - (char *) param) +
3457	    param->u.crypt.key_len)
3458		return -EINVAL;
3459
3460	if (is_broadcast_ether_addr(param->sta_addr)) {
3461		if (param->u.crypt.idx >= WEP_KEYS)
3462			return -EINVAL;
3463		sta_ptr = NULL;
3464		crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3465	} else {
3466		if (param->u.crypt.idx)
3467			return -EINVAL;
3468		sta_ptr = ap_crypt_get_ptrs(
3469			local->ap, param->sta_addr,
3470			(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_PERMANENT),
3471			&crypt);
3472
3473		if (sta_ptr == NULL) {
3474			param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3475			return -EINVAL;
3476		}
3477	}
3478
3479	if (strcmp(param->u.crypt.alg, "none") == 0) {
3480		if (crypt)
3481			lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3482		goto done;
3483	}
3484
3485	ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3486	if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3487		request_module("lib80211_crypt_wep");
3488		ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3489	} else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3490		request_module("lib80211_crypt_tkip");
3491		ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3492	} else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3493		request_module("lib80211_crypt_ccmp");
3494		ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3495	}
3496	if (ops == NULL) {
3497		printk(KERN_DEBUG "%s: unknown crypto alg '%s'\n",
3498		       local->dev->name, param->u.crypt.alg);
3499		param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ALG;
3500		ret = -EINVAL;
3501		goto done;
3502	}
3503
3504	/* station based encryption and other than WEP algorithms require
3505	 * host-based encryption, so force them on automatically */
3506	local->host_decrypt = local->host_encrypt = 1;
3507
3508	if (*crypt == NULL || (*crypt)->ops != ops) {
3509		struct lib80211_crypt_data *new_crypt;
3510
3511		lib80211_crypt_delayed_deinit(&local->crypt_info, crypt);
3512
3513		new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
3514				GFP_KERNEL);
3515		if (new_crypt == NULL) {
3516			ret = -ENOMEM;
3517			goto done;
3518		}
3519		new_crypt->ops = ops;
3520		new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
3521		if (new_crypt->priv == NULL) {
3522			kfree(new_crypt);
3523			param->u.crypt.err =
3524				HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED;
3525			ret = -EINVAL;
3526			goto done;
3527		}
3528
3529		*crypt = new_crypt;
3530	}
3531
3532	if ((!(param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) ||
3533	     param->u.crypt.key_len > 0) && (*crypt)->ops->set_key &&
3534	    (*crypt)->ops->set_key(param->u.crypt.key,
3535				   param->u.crypt.key_len, param->u.crypt.seq,
3536				   (*crypt)->priv) < 0) {
3537		printk(KERN_DEBUG "%s: key setting failed\n",
3538		       local->dev->name);
3539		param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
3540		ret = -EINVAL;
3541		goto done;
3542	}
3543
3544	if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
3545		if (!sta_ptr)
3546			local->crypt_info.tx_keyidx = param->u.crypt.idx;
3547		else if (param->u.crypt.idx) {
3548			printk(KERN_DEBUG "%s: TX key idx setting failed\n",
3549			       local->dev->name);
3550			param->u.crypt.err =
3551				HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED;
3552			ret = -EINVAL;
3553			goto done;
3554		}
3555	}
3556
3557 done:
3558	if (sta_ptr)
3559		hostap_handle_sta_release(sta_ptr);
3560
3561	/* Do not reset port0 if card is in Managed mode since resetting will
3562	 * generate new IEEE 802.11 authentication which may end up in looping
3563	 * with IEEE 802.1X. Prism2 documentation seem to require port reset
3564	 * after WEP configuration. However, keys are apparently changed at
3565	 * least in Managed mode. */
3566	if (ret == 0 &&
3567	    (hostap_set_encryption(local) ||
3568	     (local->iw_mode != IW_MODE_INFRA &&
3569	      local->func->reset_port(local->dev)))) {
3570		param->u.crypt.err = HOSTAP_CRYPT_ERR_CARD_CONF_FAILED;
3571		return -EINVAL;
3572	}
3573
3574	return ret;
3575}
3576
3577
3578static int prism2_ioctl_get_encryption(local_info_t *local,
3579				       struct prism2_hostapd_param *param,
3580				       int param_len)
3581{
3582	struct lib80211_crypt_data **crypt;
3583	void *sta_ptr;
3584	int max_key_len;
3585
3586	param->u.crypt.err = 0;
3587
3588	max_key_len = param_len -
3589		(int) ((char *) param->u.crypt.key - (char *) param);
3590	if (max_key_len < 0)
3591		return -EINVAL;
3592
3593	if (is_broadcast_ether_addr(param->sta_addr)) {
3594		sta_ptr = NULL;
3595		if (param->u.crypt.idx >= WEP_KEYS)
3596			param->u.crypt.idx = local->crypt_info.tx_keyidx;
3597		crypt = &local->crypt_info.crypt[param->u.crypt.idx];
3598	} else {
3599		param->u.crypt.idx = 0;
3600		sta_ptr = ap_crypt_get_ptrs(local->ap, param->sta_addr, 0,
3601					    &crypt);
3602
3603		if (sta_ptr == NULL) {
3604			param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
3605			return -EINVAL;
3606		}
3607	}
3608
3609	if (*crypt == NULL || (*crypt)->ops == NULL) {
3610		memcpy(param->u.crypt.alg, "none", 5);
3611		param->u.crypt.key_len = 0;
3612		param->u.crypt.idx = 0xff;
3613	} else {
3614		strncpy(param->u.crypt.alg, (*crypt)->ops->name,
3615			HOSTAP_CRYPT_ALG_NAME_LEN);
3616		param->u.crypt.key_len = 0;
3617
3618		memset(param->u.crypt.seq, 0, 8);
3619		if ((*crypt)->ops->get_key) {
3620			param->u.crypt.key_len =
3621				(*crypt)->ops->get_key(param->u.crypt.key,
3622						       max_key_len,
3623						       param->u.crypt.seq,
3624						       (*crypt)->priv);
3625		}
3626	}
3627
3628	if (sta_ptr)
3629		hostap_handle_sta_release(sta_ptr);
3630
3631	return 0;
3632}
3633
3634
3635static int prism2_ioctl_get_rid(local_info_t *local,
3636				struct prism2_hostapd_param *param,
3637				int param_len)
3638{
3639	int max_len, res;
3640
3641	max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3642	if (max_len < 0)
3643		return -EINVAL;
3644
3645	res = local->func->get_rid(local->dev, param->u.rid.rid,
3646				   param->u.rid.data, param->u.rid.len, 0);
3647	if (res >= 0) {
3648		param->u.rid.len = res;
3649		return 0;
3650	}
3651
3652	return res;
3653}
3654
3655
3656static int prism2_ioctl_set_rid(local_info_t *local,
3657				struct prism2_hostapd_param *param,
3658				int param_len)
3659{
3660	int max_len;
3661
3662	max_len = param_len - PRISM2_HOSTAPD_RID_HDR_LEN;
3663	if (max_len < 0 || max_len < param->u.rid.len)
3664		return -EINVAL;
3665
3666	return local->func->set_rid(local->dev, param->u.rid.rid,
3667				    param->u.rid.data, param->u.rid.len);
3668}
3669
3670
3671static int prism2_ioctl_set_assoc_ap_addr(local_info_t *local,
3672					  struct prism2_hostapd_param *param,
3673					  int param_len)
3674{
3675	printk(KERN_DEBUG "%ssta: associated as client with AP %pM\n",
3676	       local->dev->name, param->sta_addr);
3677	memcpy(local->assoc_ap_addr, param->sta_addr, ETH_ALEN);
3678	return 0;
3679}
3680
3681
3682static int prism2_ioctl_siwgenie(struct net_device *dev,
3683				 struct iw_request_info *info,
3684				 struct iw_point *data, char *extra)
3685{
3686	return prism2_set_genericelement(dev, extra, data->length);
3687}
3688
3689
3690static int prism2_ioctl_giwgenie(struct net_device *dev,
3691				 struct iw_request_info *info,
3692				 struct iw_point *data, char *extra)
3693{
3694	struct hostap_interface *iface = netdev_priv(dev);
3695	local_info_t *local = iface->local;
3696	int len = local->generic_elem_len - 2;
3697
3698	if (len <= 0 || local->generic_elem == NULL) {
3699		data->length = 0;
3700		return 0;
3701	}
3702
3703	if (data->length < len)
3704		return -E2BIG;
3705
3706	data->length = len;
3707	memcpy(extra, local->generic_elem + 2, len);
3708
3709	return 0;
3710}
3711
3712
3713static int prism2_ioctl_set_generic_element(local_info_t *local,
3714					    struct prism2_hostapd_param *param,
3715					    int param_len)
3716{
3717	int max_len, len;
3718
3719	len = param->u.generic_elem.len;
3720	max_len = param_len - PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN;
3721	if (max_len < 0 || max_len < len)
3722		return -EINVAL;
3723
3724	return prism2_set_genericelement(local->dev,
3725					 param->u.generic_elem.data, len);
3726}
3727
3728
3729static int prism2_ioctl_siwmlme(struct net_device *dev,
3730				struct iw_request_info *info,
3731				struct iw_point *data, char *extra)
3732{
3733	struct hostap_interface *iface = netdev_priv(dev);
3734	local_info_t *local = iface->local;
3735	struct iw_mlme *mlme = (struct iw_mlme *) extra;
3736	__le16 reason;
3737
3738	reason = cpu_to_le16(mlme->reason_code);
3739
3740	switch (mlme->cmd) {
3741	case IW_MLME_DEAUTH:
3742		return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3743					    IEEE80211_STYPE_DEAUTH,
3744					    (u8 *) &reason, 2);
3745	case IW_MLME_DISASSOC:
3746		return prism2_sta_send_mgmt(local, mlme->addr.sa_data,
3747					    IEEE80211_STYPE_DISASSOC,
3748					    (u8 *) &reason, 2);
3749	default:
3750		return -EOPNOTSUPP;
3751	}
3752}
3753
3754
3755static int prism2_ioctl_mlme(local_info_t *local,
3756			     struct prism2_hostapd_param *param)
3757{
3758	__le16 reason;
3759
3760	reason = cpu_to_le16(param->u.mlme.reason_code);
3761	switch (param->u.mlme.cmd) {
3762	case MLME_STA_DEAUTH:
3763		return prism2_sta_send_mgmt(local, param->sta_addr,
3764					    IEEE80211_STYPE_DEAUTH,
3765					    (u8 *) &reason, 2);
3766	case MLME_STA_DISASSOC:
3767		return prism2_sta_send_mgmt(local, param->sta_addr,
3768					    IEEE80211_STYPE_DISASSOC,
3769					    (u8 *) &reason, 2);
3770	default:
3771		return -EOPNOTSUPP;
3772	}
3773}
3774
3775
3776static int prism2_ioctl_scan_req(local_info_t *local,
3777				 struct prism2_hostapd_param *param)
3778{
3779#ifndef PRISM2_NO_STATION_MODES
3780	if ((local->iw_mode != IW_MODE_INFRA &&
3781	     local->iw_mode != IW_MODE_ADHOC) ||
3782	    (local->sta_fw_ver < PRISM2_FW_VER(1,3,1)))
3783		return -EOPNOTSUPP;
3784
3785	if (!local->dev_enabled)
3786		return -ENETDOWN;
3787
3788	return prism2_request_hostscan(local->dev, param->u.scan_req.ssid,
3789				       param->u.scan_req.ssid_len);
3790#else /* PRISM2_NO_STATION_MODES */
3791	return -EOPNOTSUPP;
3792#endif /* PRISM2_NO_STATION_MODES */
3793}
3794
3795
3796static int prism2_ioctl_priv_hostapd(local_info_t *local, struct iw_point *p)
3797{
3798	struct prism2_hostapd_param *param;
3799	int ret = 0;
3800	int ap_ioctl = 0;
3801
3802	if (p->length < sizeof(struct prism2_hostapd_param) ||
3803	    p->length > PRISM2_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
3804		return -EINVAL;
3805
3806	param = kmalloc(p->length, GFP_KERNEL);
3807	if (param == NULL)
3808		return -ENOMEM;
3809
3810	if (copy_from_user(param, p->pointer, p->length)) {
3811		ret = -EFAULT;
3812		goto out;
3813	}
3814
3815	switch (param->cmd) {
3816	case PRISM2_SET_ENCRYPTION:
3817		ret = prism2_ioctl_set_encryption(local, param, p->length);
3818		break;
3819	case PRISM2_GET_ENCRYPTION:
3820		ret = prism2_ioctl_get_encryption(local, param, p->length);
3821		break;
3822	case PRISM2_HOSTAPD_GET_RID:
3823		ret = prism2_ioctl_get_rid(local, param, p->length);
3824		break;
3825	case PRISM2_HOSTAPD_SET_RID:
3826		ret = prism2_ioctl_set_rid(local, param, p->length);
3827		break;
3828	case PRISM2_HOSTAPD_SET_ASSOC_AP_ADDR:
3829		ret = prism2_ioctl_set_assoc_ap_addr(local, param, p->length);
3830		break;
3831	case PRISM2_HOSTAPD_SET_GENERIC_ELEMENT:
3832		ret = prism2_ioctl_set_generic_element(local, param,
3833						       p->length);
3834		break;
3835	case PRISM2_HOSTAPD_MLME:
3836		ret = prism2_ioctl_mlme(local, param);
3837		break;
3838	case PRISM2_HOSTAPD_SCAN_REQ:
3839		ret = prism2_ioctl_scan_req(local, param);
3840		break;
3841	default:
3842		ret = prism2_hostapd(local->ap, param);
3843		ap_ioctl = 1;
3844		break;
3845	}
3846
3847	if (ret == 1 || !ap_ioctl) {
3848		if (copy_to_user(p->pointer, param, p->length)) {
3849			ret = -EFAULT;
3850			goto out;
3851		} else if (ap_ioctl)
3852			ret = 0;
3853	}
3854
3855 out:
3856	kfree(param);
3857	return ret;
3858}
3859
3860
3861static void prism2_get_drvinfo(struct net_device *dev,
3862			       struct ethtool_drvinfo *info)
3863{
3864	struct hostap_interface *iface;
3865	local_info_t *local;
3866
3867	iface = netdev_priv(dev);
3868	local = iface->local;
3869
3870	strlcpy(info->driver, "hostap", sizeof(info->driver));
3871	snprintf(info->fw_version, sizeof(info->fw_version),
3872		 "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff,
3873		 (local->sta_fw_ver >> 8) & 0xff,
3874		 local->sta_fw_ver & 0xff);
3875}
3876
3877const struct ethtool_ops prism2_ethtool_ops = {
3878	.get_drvinfo = prism2_get_drvinfo
3879};
3880
3881
3882/* Structures to export the Wireless Handlers */
3883
3884static const iw_handler prism2_handler[] =
3885{
3886	(iw_handler) NULL,				/* SIOCSIWCOMMIT */
3887	(iw_handler) prism2_get_name,			/* SIOCGIWNAME */
3888	(iw_handler) NULL,				/* SIOCSIWNWID */
3889	(iw_handler) NULL,				/* SIOCGIWNWID */
3890	(iw_handler) prism2_ioctl_siwfreq,		/* SIOCSIWFREQ */
3891	(iw_handler) prism2_ioctl_giwfreq,		/* SIOCGIWFREQ */
3892	(iw_handler) prism2_ioctl_siwmode,		/* SIOCSIWMODE */
3893	(iw_handler) prism2_ioctl_giwmode,		/* SIOCGIWMODE */
3894	(iw_handler) prism2_ioctl_siwsens,		/* SIOCSIWSENS */
3895	(iw_handler) prism2_ioctl_giwsens,		/* SIOCGIWSENS */
3896	(iw_handler) NULL /* not used */,		/* SIOCSIWRANGE */
3897	(iw_handler) prism2_ioctl_giwrange,		/* SIOCGIWRANGE */
3898	(iw_handler) NULL /* not used */,		/* SIOCSIWPRIV */
3899	(iw_handler) NULL /* kernel code */,		/* SIOCGIWPRIV */
3900	(iw_handler) NULL /* not used */,		/* SIOCSIWSTATS */
3901	(iw_handler) NULL /* kernel code */,		/* SIOCGIWSTATS */
3902	iw_handler_set_spy,				/* SIOCSIWSPY */
3903	iw_handler_get_spy,				/* SIOCGIWSPY */
3904	iw_handler_set_thrspy,				/* SIOCSIWTHRSPY */
3905	iw_handler_get_thrspy,				/* SIOCGIWTHRSPY */
3906	(iw_handler) prism2_ioctl_siwap,		/* SIOCSIWAP */
3907	(iw_handler) prism2_ioctl_giwap,		/* SIOCGIWAP */
3908	(iw_handler) prism2_ioctl_siwmlme,		/* SIOCSIWMLME */
3909	(iw_handler) prism2_ioctl_giwaplist,		/* SIOCGIWAPLIST */
3910	(iw_handler) prism2_ioctl_siwscan,		/* SIOCSIWSCAN */
3911	(iw_handler) prism2_ioctl_giwscan,		/* SIOCGIWSCAN */
3912	(iw_handler) prism2_ioctl_siwessid,		/* SIOCSIWESSID */
3913	(iw_handler) prism2_ioctl_giwessid,		/* SIOCGIWESSID */
3914	(iw_handler) prism2_ioctl_siwnickn,		/* SIOCSIWNICKN */
3915	(iw_handler) prism2_ioctl_giwnickn,		/* SIOCGIWNICKN */
3916	(iw_handler) NULL,				/* -- hole -- */
3917	(iw_handler) NULL,				/* -- hole -- */
3918	(iw_handler) prism2_ioctl_siwrate,		/* SIOCSIWRATE */
3919	(iw_handler) prism2_ioctl_giwrate,		/* SIOCGIWRATE */
3920	(iw_handler) prism2_ioctl_siwrts,		/* SIOCSIWRTS */
3921	(iw_handler) prism2_ioctl_giwrts,		/* SIOCGIWRTS */
3922	(iw_handler) prism2_ioctl_siwfrag,		/* SIOCSIWFRAG */
3923	(iw_handler) prism2_ioctl_giwfrag,		/* SIOCGIWFRAG */
3924	(iw_handler) prism2_ioctl_siwtxpow,		/* SIOCSIWTXPOW */
3925	(iw_handler) prism2_ioctl_giwtxpow,		/* SIOCGIWTXPOW */
3926	(iw_handler) prism2_ioctl_siwretry,		/* SIOCSIWRETRY */
3927	(iw_handler) prism2_ioctl_giwretry,		/* SIOCGIWRETRY */
3928	(iw_handler) prism2_ioctl_siwencode,		/* SIOCSIWENCODE */
3929	(iw_handler) prism2_ioctl_giwencode,		/* SIOCGIWENCODE */
3930	(iw_handler) prism2_ioctl_siwpower,		/* SIOCSIWPOWER */
3931	(iw_handler) prism2_ioctl_giwpower,		/* SIOCGIWPOWER */
3932	(iw_handler) NULL,				/* -- hole -- */
3933	(iw_handler) NULL,				/* -- hole -- */
3934	(iw_handler) prism2_ioctl_siwgenie,		/* SIOCSIWGENIE */
3935	(iw_handler) prism2_ioctl_giwgenie,		/* SIOCGIWGENIE */
3936	(iw_handler) prism2_ioctl_siwauth,		/* SIOCSIWAUTH */
3937	(iw_handler) prism2_ioctl_giwauth,		/* SIOCGIWAUTH */
3938	(iw_handler) prism2_ioctl_siwencodeext,		/* SIOCSIWENCODEEXT */
3939	(iw_handler) prism2_ioctl_giwencodeext,		/* SIOCGIWENCODEEXT */
3940	(iw_handler) NULL,				/* SIOCSIWPMKSA */
3941	(iw_handler) NULL,				/* -- hole -- */
3942};
3943
3944static const iw_handler prism2_private_handler[] =
3945{							/* SIOCIWFIRSTPRIV + */
3946	(iw_handler) prism2_ioctl_priv_prism2_param,	/* 0 */
3947	(iw_handler) prism2_ioctl_priv_get_prism2_param, /* 1 */
3948	(iw_handler) prism2_ioctl_priv_writemif,	/* 2 */
3949	(iw_handler) prism2_ioctl_priv_readmif,		/* 3 */
3950};
3951
3952const struct iw_handler_def hostap_iw_handler_def =
3953{
3954	.num_standard	= ARRAY_SIZE(prism2_handler),
3955	.num_private	= ARRAY_SIZE(prism2_private_handler),
3956	.num_private_args = ARRAY_SIZE(prism2_priv),
3957	.standard	= (iw_handler *) prism2_handler,
3958	.private	= (iw_handler *) prism2_private_handler,
3959	.private_args	= (struct iw_priv_args *) prism2_priv,
3960	.get_wireless_stats = hostap_get_wireless_stats,
3961};
3962
3963
3964int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3965{
3966	struct iwreq *wrq = (struct iwreq *) ifr;
3967	struct hostap_interface *iface;
3968	local_info_t *local;
3969	int ret = 0;
3970
3971	iface = netdev_priv(dev);
3972	local = iface->local;
3973
3974	switch (cmd) {
3975		/* Private ioctls (iwpriv) that have not yet been converted
3976		 * into new wireless extensions API */
3977
3978	case PRISM2_IOCTL_INQUIRE:
3979		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3980		else ret = prism2_ioctl_priv_inquire(dev, (int *) wrq->u.name);
3981		break;
3982
3983	case PRISM2_IOCTL_MONITOR:
3984		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3985		else ret = prism2_ioctl_priv_monitor(dev, (int *) wrq->u.name);
3986		break;
3987
3988	case PRISM2_IOCTL_RESET:
3989		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3990		else ret = prism2_ioctl_priv_reset(dev, (int *) wrq->u.name);
3991		break;
3992
3993	case PRISM2_IOCTL_WDS_ADD:
3994		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
3995		else ret = prism2_wds_add(local, wrq->u.ap_addr.sa_data, 1);
3996		break;
3997
3998	case PRISM2_IOCTL_WDS_DEL:
3999		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4000		else ret = prism2_wds_del(local, wrq->u.ap_addr.sa_data, 1, 0);
4001		break;
4002
4003	case PRISM2_IOCTL_SET_RID_WORD:
4004		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4005		else ret = prism2_ioctl_priv_set_rid_word(dev,
4006							  (int *) wrq->u.name);
4007		break;
4008
4009#ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
4010	case PRISM2_IOCTL_MACCMD:
4011		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4012		else ret = ap_mac_cmd_ioctl(local, (int *) wrq->u.name);
4013		break;
4014
4015	case PRISM2_IOCTL_ADDMAC:
4016		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4017		else ret = ap_control_add_mac(&local->ap->mac_restrictions,
4018					      wrq->u.ap_addr.sa_data);
4019		break;
4020	case PRISM2_IOCTL_DELMAC:
4021		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4022		else ret = ap_control_del_mac(&local->ap->mac_restrictions,
4023					      wrq->u.ap_addr.sa_data);
4024		break;
4025	case PRISM2_IOCTL_KICKMAC:
4026		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4027		else ret = ap_control_kick_mac(local->ap, local->dev,
4028					       wrq->u.ap_addr.sa_data);
4029		break;
4030#endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
4031
4032
4033		/* Private ioctls that are not used with iwpriv;
4034		 * in SIOCDEVPRIVATE range */
4035
4036#ifdef PRISM2_DOWNLOAD_SUPPORT
4037	case PRISM2_IOCTL_DOWNLOAD:
4038		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4039		else ret = prism2_ioctl_priv_download(local, &wrq->u.data);
4040		break;
4041#endif /* PRISM2_DOWNLOAD_SUPPORT */
4042
4043	case PRISM2_IOCTL_HOSTAPD:
4044		if (!capable(CAP_NET_ADMIN)) ret = -EPERM;
4045		else ret = prism2_ioctl_priv_hostapd(local, &wrq->u.data);
4046		break;
4047
4048	default:
4049		ret = -EOPNOTSUPP;
4050		break;
4051	}
4052
4053	return ret;
4054}
4055