1/* cfg80211 Interface for prism2_usb module */
2#include "hfa384x.h"
3#include "prism2mgmt.h"
4
5
6/* Prism2 channel/frequency/bitrate declarations */
7static const struct ieee80211_channel prism2_channels[] = {
8	{ .center_freq = 2412 },
9	{ .center_freq = 2417 },
10	{ .center_freq = 2422 },
11	{ .center_freq = 2427 },
12	{ .center_freq = 2432 },
13	{ .center_freq = 2437 },
14	{ .center_freq = 2442 },
15	{ .center_freq = 2447 },
16	{ .center_freq = 2452 },
17	{ .center_freq = 2457 },
18	{ .center_freq = 2462 },
19	{ .center_freq = 2467 },
20	{ .center_freq = 2472 },
21	{ .center_freq = 2484 },
22};
23
24static const struct ieee80211_rate prism2_rates[] = {
25	{ .bitrate = 10 },
26	{ .bitrate = 20 },
27	{ .bitrate = 55 },
28	{ .bitrate = 110 }
29};
30
31#define PRISM2_NUM_CIPHER_SUITES 2
32static const u32 prism2_cipher_suites[PRISM2_NUM_CIPHER_SUITES] = {
33	WLAN_CIPHER_SUITE_WEP40,
34	WLAN_CIPHER_SUITE_WEP104
35};
36
37
38/* prism2 device private data */
39struct prism2_wiphy_private {
40	wlandevice_t *wlandev;
41
42	struct ieee80211_supported_band band;
43	struct ieee80211_channel channels[ARRAY_SIZE(prism2_channels)];
44	struct ieee80211_rate rates[ARRAY_SIZE(prism2_rates)];
45
46	struct cfg80211_scan_request *scan_request;
47};
48
49static const void * const prism2_wiphy_privid = &prism2_wiphy_privid;
50
51
52/* Helper Functions */
53static int prism2_result2err(int prism2_result)
54{
55	int err = 0;
56
57	switch (prism2_result) {
58	case P80211ENUM_resultcode_invalid_parameters:
59		err = -EINVAL;
60		break;
61	case P80211ENUM_resultcode_implementation_failure:
62		err = -EIO;
63		break;
64	case P80211ENUM_resultcode_not_supported:
65		err = -EOPNOTSUPP;
66		break;
67	default:
68		err = 0;
69		break;
70	}
71
72	return err;
73}
74
75static int prism2_domibset_uint32(wlandevice_t *wlandev, u32 did, u32 data)
76{
77	struct p80211msg_dot11req_mibset msg;
78	p80211item_uint32_t *mibitem =
79			(p80211item_uint32_t *) &msg.mibattribute.data;
80
81	msg.msgcode = DIDmsg_dot11req_mibset;
82	mibitem->did = did;
83	mibitem->data = data;
84
85	return p80211req_dorequest(wlandev, (u8 *) &msg);
86}
87
88static int prism2_domibset_pstr32(wlandevice_t *wlandev,
89				  u32 did, u8 len, const u8 *data)
90{
91	struct p80211msg_dot11req_mibset msg;
92	p80211item_pstr32_t *mibitem =
93			(p80211item_pstr32_t *) &msg.mibattribute.data;
94
95	msg.msgcode = DIDmsg_dot11req_mibset;
96	mibitem->did = did;
97	mibitem->data.len = len;
98	memcpy(mibitem->data.data, data, len);
99
100	return p80211req_dorequest(wlandev, (u8 *) &msg);
101}
102
103
104/* The interface functions, called by the cfg80211 layer */
105static int prism2_change_virtual_intf(struct wiphy *wiphy,
106				      struct net_device *dev,
107				      enum nl80211_iftype type, u32 *flags,
108				      struct vif_params *params)
109{
110	wlandevice_t *wlandev = dev->ml_priv;
111	u32 data;
112	int result;
113	int err = 0;
114
115	switch (type) {
116	case NL80211_IFTYPE_ADHOC:
117		if (wlandev->macmode == WLAN_MACMODE_IBSS_STA)
118			goto exit;
119		wlandev->macmode = WLAN_MACMODE_IBSS_STA;
120		data = 0;
121		break;
122	case NL80211_IFTYPE_STATION:
123		if (wlandev->macmode == WLAN_MACMODE_ESS_STA)
124			goto exit;
125		wlandev->macmode = WLAN_MACMODE_ESS_STA;
126		data = 1;
127		break;
128	default:
129		netdev_warn(dev, "Operation mode: %d not support\n", type);
130		return -EOPNOTSUPP;
131	}
132
133	/* Set Operation mode to the PORT TYPE RID */
134	result = prism2_domibset_uint32(wlandev,
135					DIDmib_p2_p2Static_p2CnfPortType,
136					data);
137
138	if (result)
139		err = -EFAULT;
140
141	dev->ieee80211_ptr->iftype = type;
142
143exit:
144	return err;
145}
146
147static int prism2_add_key(struct wiphy *wiphy, struct net_device *dev,
148			  u8 key_index, bool pairwise, const u8 *mac_addr,
149			  struct key_params *params)
150{
151	wlandevice_t *wlandev = dev->ml_priv;
152	u32 did;
153
154	int err = 0;
155	int result = 0;
156
157	switch (params->cipher) {
158	case WLAN_CIPHER_SUITE_WEP40:
159	case WLAN_CIPHER_SUITE_WEP104:
160		result = prism2_domibset_uint32(wlandev,
161						DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
162						key_index);
163		if (result)
164			goto exit;
165
166		/* send key to driver */
167		switch (key_index) {
168		case 0:
169			did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0;
170			break;
171
172		case 1:
173			did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1;
174			break;
175
176		case 2:
177			did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2;
178			break;
179
180		case 3:
181			did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3;
182			break;
183
184		default:
185			err = -EINVAL;
186			goto exit;
187		}
188
189		result = prism2_domibset_pstr32(wlandev, did,
190						params->key_len, params->key);
191		if (result)
192			goto exit;
193		break;
194
195	default:
196		pr_debug("Unsupported cipher suite\n");
197		result = 1;
198	}
199
200exit:
201	if (result)
202		err = -EFAULT;
203
204	return err;
205}
206
207static int prism2_get_key(struct wiphy *wiphy, struct net_device *dev,
208			  u8 key_index, bool pairwise,
209			  const u8 *mac_addr, void *cookie,
210			  void (*callback)(void *cookie, struct key_params*))
211{
212	wlandevice_t *wlandev = dev->ml_priv;
213	struct key_params params;
214	int len;
215
216	if (key_index >= NUM_WEPKEYS)
217		return -EINVAL;
218
219	len = wlandev->wep_keylens[key_index];
220	memset(&params, 0, sizeof(params));
221
222	if (len == 13)
223		params.cipher = WLAN_CIPHER_SUITE_WEP104;
224	else if (len == 5)
225		params.cipher = WLAN_CIPHER_SUITE_WEP104;
226	else
227		return -ENOENT;
228	params.key_len = len;
229	params.key = wlandev->wep_keys[key_index];
230	params.seq_len = 0;
231
232	callback(cookie, &params);
233
234	return 0;
235}
236
237static int prism2_del_key(struct wiphy *wiphy, struct net_device *dev,
238			  u8 key_index, bool pairwise, const u8 *mac_addr)
239{
240	wlandevice_t *wlandev = dev->ml_priv;
241	u32 did;
242	int err = 0;
243	int result = 0;
244
245	/* There is no direct way in the hardware (AFAIK) of removing
246	   a key, so we will cheat by setting the key to a bogus value */
247	/* send key to driver */
248	switch (key_index) {
249	case 0:
250		did =
251		    DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0;
252		break;
253
254	case 1:
255		did =
256		    DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1;
257		break;
258
259	case 2:
260		did =
261		    DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2;
262		break;
263
264	case 3:
265		did =
266		    DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3;
267		break;
268
269	default:
270		err = -EINVAL;
271		goto exit;
272	}
273
274	result = prism2_domibset_pstr32(wlandev, did, 13, "0000000000000");
275
276exit:
277	if (result)
278		err = -EFAULT;
279
280	return err;
281}
282
283static int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev,
284				  u8 key_index, bool unicast, bool multicast)
285{
286	wlandevice_t *wlandev = dev->ml_priv;
287
288	int err = 0;
289	int result = 0;
290
291	result = prism2_domibset_uint32(wlandev,
292		DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
293		key_index);
294
295	if (result)
296		err = -EFAULT;
297
298	return err;
299}
300
301
302static int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,
303			      const u8 *mac, struct station_info *sinfo)
304{
305	wlandevice_t *wlandev = dev->ml_priv;
306	struct p80211msg_lnxreq_commsquality quality;
307	int result;
308
309	memset(sinfo, 0, sizeof(*sinfo));
310
311	if ((wlandev == NULL) || (wlandev->msdstate != WLAN_MSD_RUNNING))
312		return -EOPNOTSUPP;
313
314	/* build request message */
315	quality.msgcode = DIDmsg_lnxreq_commsquality;
316	quality.dbm.data = P80211ENUM_truth_true;
317	quality.dbm.status = P80211ENUM_msgitem_status_data_ok;
318
319	/* send message to nsd */
320	if (wlandev->mlmerequest == NULL)
321		return -EOPNOTSUPP;
322
323	result = wlandev->mlmerequest(wlandev, (struct p80211msg *) &quality);
324
325
326	if (result == 0) {
327		sinfo->txrate.legacy = quality.txrate.data;
328		sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
329		sinfo->signal = quality.level.data;
330		sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
331	}
332
333	return result;
334}
335
336static int prism2_scan(struct wiphy *wiphy,
337		       struct cfg80211_scan_request *request)
338{
339	struct net_device *dev;
340	struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
341	wlandevice_t *wlandev;
342	struct p80211msg_dot11req_scan msg1;
343	struct p80211msg_dot11req_scan_results msg2;
344	struct cfg80211_bss *bss;
345	int result;
346	int err = 0;
347	int numbss = 0;
348	int i = 0;
349	u8 ie_buf[46];
350	int ie_len;
351
352	if (!request)
353		return -EINVAL;
354
355	dev = request->wdev->netdev;
356	wlandev = dev->ml_priv;
357
358	if (priv->scan_request && priv->scan_request != request)
359		return -EBUSY;
360
361	if (wlandev->macmode == WLAN_MACMODE_ESS_AP) {
362		netdev_err(dev, "Can't scan in AP mode\n");
363		return -EOPNOTSUPP;
364	}
365
366	priv->scan_request = request;
367
368	memset(&msg1, 0x00, sizeof(struct p80211msg_dot11req_scan));
369	msg1.msgcode = DIDmsg_dot11req_scan;
370	msg1.bsstype.data = P80211ENUM_bsstype_any;
371
372	memset(&msg1.bssid.data.data, 0xFF, sizeof(msg1.bssid.data.data));
373	msg1.bssid.data.len = 6;
374
375	if (request->n_ssids > 0) {
376		msg1.scantype.data = P80211ENUM_scantype_active;
377		msg1.ssid.data.len = request->ssids->ssid_len;
378		memcpy(msg1.ssid.data.data,
379			request->ssids->ssid, request->ssids->ssid_len);
380	} else {
381		msg1.scantype.data = 0;
382	}
383	msg1.probedelay.data = 0;
384
385	for (i = 0;
386		(i < request->n_channels) && i < ARRAY_SIZE(prism2_channels);
387		i++)
388		msg1.channellist.data.data[i] =
389			ieee80211_frequency_to_channel(
390				request->channels[i]->center_freq);
391	msg1.channellist.data.len = request->n_channels;
392
393	msg1.maxchanneltime.data = 250;
394	msg1.minchanneltime.data = 200;
395
396	result = p80211req_dorequest(wlandev, (u8 *) &msg1);
397	if (result) {
398		err = prism2_result2err(msg1.resultcode.data);
399		goto exit;
400	}
401	/* Now retrieve scan results */
402	numbss = msg1.numbss.data;
403
404	for (i = 0; i < numbss; i++) {
405		int freq;
406
407		memset(&msg2, 0, sizeof(msg2));
408		msg2.msgcode = DIDmsg_dot11req_scan_results;
409		msg2.bssindex.data = i;
410
411		result = p80211req_dorequest(wlandev, (u8 *) &msg2);
412		if ((result != 0) ||
413		    (msg2.resultcode.data != P80211ENUM_resultcode_success)) {
414			break;
415		}
416
417		ie_buf[0] = WLAN_EID_SSID;
418		ie_buf[1] = msg2.ssid.data.len;
419		ie_len = ie_buf[1] + 2;
420		memcpy(&ie_buf[2], &(msg2.ssid.data.data), msg2.ssid.data.len);
421		freq = ieee80211_channel_to_frequency(msg2.dschannel.data,
422						      IEEE80211_BAND_2GHZ);
423		bss = cfg80211_inform_bss(wiphy,
424			ieee80211_get_channel(wiphy, freq),
425			CFG80211_BSS_FTYPE_UNKNOWN,
426			(const u8 *) &(msg2.bssid.data.data),
427			msg2.timestamp.data, msg2.capinfo.data,
428			msg2.beaconperiod.data,
429			ie_buf,
430			ie_len,
431			(msg2.signal.data - 65536) * 100, /* Conversion to signed type */
432			GFP_KERNEL
433		);
434
435		if (!bss) {
436			err = -ENOMEM;
437			goto exit;
438		}
439
440		cfg80211_put_bss(wiphy, bss);
441	}
442
443	if (result)
444		err = prism2_result2err(msg2.resultcode.data);
445
446exit:
447	cfg80211_scan_done(request, err ? 1 : 0);
448	priv->scan_request = NULL;
449	return err;
450}
451
452static int prism2_set_wiphy_params(struct wiphy *wiphy, u32 changed)
453{
454	struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
455	wlandevice_t *wlandev = priv->wlandev;
456	u32 data;
457	int result;
458	int err = 0;
459
460	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
461		if (wiphy->rts_threshold == -1)
462			data = 2347;
463		else
464			data = wiphy->rts_threshold;
465
466		result = prism2_domibset_uint32(wlandev,
467						DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold,
468						data);
469		if (result) {
470			err = -EFAULT;
471			goto exit;
472		}
473	}
474
475	if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
476		if (wiphy->frag_threshold == -1)
477			data = 2346;
478		else
479			data = wiphy->frag_threshold;
480
481		result = prism2_domibset_uint32(wlandev,
482						DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold,
483						data);
484		if (result) {
485			err = -EFAULT;
486			goto exit;
487		}
488	}
489
490exit:
491	return err;
492}
493
494static int prism2_connect(struct wiphy *wiphy, struct net_device *dev,
495			  struct cfg80211_connect_params *sme)
496{
497	wlandevice_t *wlandev = dev->ml_priv;
498	struct ieee80211_channel *channel = sme->channel;
499	struct p80211msg_lnxreq_autojoin msg_join;
500	u32 did;
501	int length = sme->ssid_len;
502	int chan = -1;
503	int is_wep = (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP40) ||
504	    (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP104);
505	int result;
506	int err = 0;
507
508	/* Set the channel */
509	if (channel) {
510		chan = ieee80211_frequency_to_channel(channel->center_freq);
511		result = prism2_domibset_uint32(wlandev,
512						DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel,
513						chan);
514		if (result)
515			goto exit;
516	}
517
518	/* Set the authorization */
519	if ((sme->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) ||
520		((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && !is_wep))
521			msg_join.authtype.data = P80211ENUM_authalg_opensystem;
522	else if ((sme->auth_type == NL80211_AUTHTYPE_SHARED_KEY) ||
523		((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && is_wep))
524			msg_join.authtype.data = P80211ENUM_authalg_sharedkey;
525	else
526		netdev_warn(dev,
527			"Unhandled authorisation type for connect (%d)\n",
528			sme->auth_type);
529
530	/* Set the encryption - we only support wep */
531	if (is_wep) {
532		if (sme->key) {
533			result = prism2_domibset_uint32(wlandev,
534				DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
535				sme->key_idx);
536			if (result)
537				goto exit;
538
539			/* send key to driver */
540			switch (sme->key_idx) {
541			case 0:
542				did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0;
543				break;
544
545			case 1:
546				did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1;
547				break;
548
549			case 2:
550				did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2;
551				break;
552
553			case 3:
554				did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3;
555				break;
556
557			default:
558				err = -EINVAL;
559				goto exit;
560			}
561
562			result = prism2_domibset_pstr32(wlandev,
563							did, sme->key_len,
564							(u8 *)sme->key);
565			if (result)
566				goto exit;
567
568		}
569
570		/* Assume we should set privacy invoked and exclude unencrypted
571		   We could possibly use sme->privacy here, but the assumption
572		   seems reasonable anyway */
573		result = prism2_domibset_uint32(wlandev,
574						DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
575						P80211ENUM_truth_true);
576		if (result)
577			goto exit;
578
579		result = prism2_domibset_uint32(wlandev,
580						DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
581						P80211ENUM_truth_true);
582		if (result)
583			goto exit;
584
585	} else {
586		/* Assume we should unset privacy invoked
587		   and exclude unencrypted */
588		result = prism2_domibset_uint32(wlandev,
589						DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
590						P80211ENUM_truth_false);
591		if (result)
592			goto exit;
593
594		result = prism2_domibset_uint32(wlandev,
595						DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
596						P80211ENUM_truth_false);
597		if (result)
598			goto exit;
599
600	}
601
602	/* Now do the actual join. Note there is no way that I can
603	   see to request a specific bssid */
604	msg_join.msgcode = DIDmsg_lnxreq_autojoin;
605
606	memcpy(msg_join.ssid.data.data, sme->ssid, length);
607	msg_join.ssid.data.len = length;
608
609	result = p80211req_dorequest(wlandev, (u8 *) &msg_join);
610
611exit:
612	if (result)
613		err = -EFAULT;
614
615	return err;
616}
617
618static int prism2_disconnect(struct wiphy *wiphy, struct net_device *dev,
619			     u16 reason_code)
620{
621	wlandevice_t *wlandev = dev->ml_priv;
622	struct p80211msg_lnxreq_autojoin msg_join;
623	int result;
624	int err = 0;
625
626
627	/* Do a join, with a bogus ssid. Thats the only way I can think of */
628	msg_join.msgcode = DIDmsg_lnxreq_autojoin;
629
630	memcpy(msg_join.ssid.data.data, "---", 3);
631	msg_join.ssid.data.len = 3;
632
633	result = p80211req_dorequest(wlandev, (u8 *) &msg_join);
634
635	if (result)
636		err = -EFAULT;
637
638	return err;
639}
640
641
642static int prism2_join_ibss(struct wiphy *wiphy, struct net_device *dev,
643			    struct cfg80211_ibss_params *params)
644{
645	return -EOPNOTSUPP;
646}
647
648static int prism2_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
649{
650	return -EOPNOTSUPP;
651}
652
653
654static int prism2_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
655			       enum nl80211_tx_power_setting type, int mbm)
656{
657	struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
658	wlandevice_t *wlandev = priv->wlandev;
659	u32 data;
660	int result;
661	int err = 0;
662
663	if (type == NL80211_TX_POWER_AUTOMATIC)
664		data = 30;
665	else
666		data = MBM_TO_DBM(mbm);
667
668	result = prism2_domibset_uint32(wlandev,
669		DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel,
670		data);
671
672	if (result) {
673		err = -EFAULT;
674		goto exit;
675	}
676
677exit:
678	return err;
679}
680
681static int prism2_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
682			       int *dbm)
683{
684	struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
685	wlandevice_t *wlandev = priv->wlandev;
686	struct p80211msg_dot11req_mibget msg;
687	p80211item_uint32_t *mibitem;
688	int result;
689	int err = 0;
690
691	mibitem = (p80211item_uint32_t *) &msg.mibattribute.data;
692	msg.msgcode = DIDmsg_dot11req_mibget;
693	mibitem->did =
694	    DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel;
695
696	result = p80211req_dorequest(wlandev, (u8 *) &msg);
697
698	if (result) {
699		err = -EFAULT;
700		goto exit;
701	}
702
703	*dbm = mibitem->data;
704
705exit:
706	return err;
707}
708
709
710
711
712/* Interface callback functions, passing data back up to the cfg80211 layer */
713void prism2_connect_result(wlandevice_t *wlandev, u8 failed)
714{
715	u16 status = failed ?
716		     WLAN_STATUS_UNSPECIFIED_FAILURE : WLAN_STATUS_SUCCESS;
717
718	cfg80211_connect_result(wlandev->netdev, wlandev->bssid,
719				NULL, 0, NULL, 0, status, GFP_KERNEL);
720}
721
722void prism2_disconnected(wlandevice_t *wlandev)
723{
724	cfg80211_disconnected(wlandev->netdev, 0, NULL,
725		0, GFP_KERNEL);
726}
727
728void prism2_roamed(wlandevice_t *wlandev)
729{
730	cfg80211_roamed(wlandev->netdev, NULL, wlandev->bssid,
731		NULL, 0, NULL, 0, GFP_KERNEL);
732}
733
734
735/* Structures for declaring wiphy interface */
736static const struct cfg80211_ops prism2_usb_cfg_ops = {
737	.change_virtual_intf = prism2_change_virtual_intf,
738	.add_key = prism2_add_key,
739	.get_key = prism2_get_key,
740	.del_key = prism2_del_key,
741	.set_default_key = prism2_set_default_key,
742	.get_station = prism2_get_station,
743	.scan = prism2_scan,
744	.set_wiphy_params = prism2_set_wiphy_params,
745	.connect = prism2_connect,
746	.disconnect = prism2_disconnect,
747	.join_ibss = prism2_join_ibss,
748	.leave_ibss = prism2_leave_ibss,
749	.set_tx_power = prism2_set_tx_power,
750	.get_tx_power = prism2_get_tx_power,
751};
752
753
754/* Functions to create/free wiphy interface */
755static struct wiphy *wlan_create_wiphy(struct device *dev, wlandevice_t *wlandev)
756{
757	struct wiphy *wiphy;
758	struct prism2_wiphy_private *priv;
759
760	wiphy = wiphy_new(&prism2_usb_cfg_ops, sizeof(*priv));
761	if (!wiphy)
762		return NULL;
763
764	priv = wiphy_priv(wiphy);
765	priv->wlandev = wlandev;
766	memcpy(priv->channels, prism2_channels, sizeof(prism2_channels));
767	memcpy(priv->rates, prism2_rates, sizeof(prism2_rates));
768	priv->band.channels = priv->channels;
769	priv->band.n_channels = ARRAY_SIZE(prism2_channels);
770	priv->band.bitrates = priv->rates;
771	priv->band.n_bitrates = ARRAY_SIZE(prism2_rates);
772	priv->band.band = IEEE80211_BAND_2GHZ;
773	priv->band.ht_cap.ht_supported = false;
774	wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
775
776	set_wiphy_dev(wiphy, dev);
777	wiphy->privid = prism2_wiphy_privid;
778	wiphy->max_scan_ssids = 1;
779	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
780				 | BIT(NL80211_IFTYPE_ADHOC);
781	wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
782	wiphy->n_cipher_suites = PRISM2_NUM_CIPHER_SUITES;
783	wiphy->cipher_suites = prism2_cipher_suites;
784
785	if (wiphy_register(wiphy) < 0)
786		return NULL;
787
788	return wiphy;
789}
790
791
792static void wlan_free_wiphy(struct wiphy *wiphy)
793{
794	wiphy_unregister(wiphy);
795	wiphy_free(wiphy);
796}
797