1	// SPDX-License-Identifier: GPL-2.0
2	/******************************************************************************
3	*
4	* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5	*
6	******************************************************************************/
7
8	#include <linux/etherdevice.h>
9	#include <drv_types.h>
10	#include <rtw_debug.h>
11	#include <linux/jiffies.h>
12
13	#include <rtw_wifi_regd.h>
14
15	#define RTW_MAX_MGMT_TX_CNT (8)
16
17	#define RTW_SCAN_IE_LEN_MAX 2304
18	#define RTW_MAX_REMAIN_ON_CHANNEL_DURATION 5000 /* ms */
19	#define RTW_MAX_NUM_PMKIDS 4
20
21	static const u32 rtw_cipher_suites[] = {
22	WLAN_CIPHER_SUITE_WEP40,
23	WLAN_CIPHER_SUITE_WEP104,
24	WLAN_CIPHER_SUITE_TKIP,
25	WLAN_CIPHER_SUITE_CCMP,
26	WLAN_CIPHER_SUITE_AES_CMAC,
27	};
28
29	#define RATETAB_ENT(_rate, _rateid, _flags) \
30	{ \
31	.bitrate = (_rate), \
32	.hw_value = (_rateid), \
33	.flags = (_flags), \
34	}
35
36	#define CHAN2G(_channel, _freq, _flags) { \
37	.band = NL80211_BAND_2GHZ, \
38	.center_freq = (_freq), \
39	.hw_value = (_channel), \
40	.flags = (_flags), \
41	.max_antenna_gain = 0, \
42	.max_power = 30, \
43	}
44
45	/* if wowlan is not supported, kernel generate a disconnect at each suspend
46	* cf: /net/wireless/sysfs.c, so register a stub wowlan.
47	* Moreover wowlan has to be enabled via a the nl80211_set_wowlan callback.
48	* (from user space, e.g. iw phy0 wowlan enable)
49	*/
50	static __maybe_unused const struct wiphy_wowlan_support wowlan_stub = {
51	.flags = WIPHY_WOWLAN_ANY,
52	.n_patterns = 0,
53	.pattern_max_len = 0,
54	.pattern_min_len = 0,
55	.max_pkt_offset = 0,
56	};
57
58	static struct ieee80211_rate rtw_rates[] = {
59	RATETAB_ENT(10, 0x1, 0),
60	RATETAB_ENT(20, 0x2, 0),
61	RATETAB_ENT(55, 0x4, 0),
62	RATETAB_ENT(110, 0x8, 0),
63	RATETAB_ENT(60, 0x10, 0),
64	RATETAB_ENT(90, 0x20, 0),
65	RATETAB_ENT(120, 0x40, 0),
66	RATETAB_ENT(180, 0x80, 0),
67	RATETAB_ENT(240, 0x100, 0),
68	RATETAB_ENT(360, 0x200, 0),
69	RATETAB_ENT(480, 0x400, 0),
70	RATETAB_ENT(540, 0x800, 0),
71	};
72
73	#define rtw_g_rates (rtw_rates + 0)
74	#define RTW_G_RATES_NUM 12
75
76	#define RTW_2G_CHANNELS_NUM 14
77
78	static struct ieee80211_channel rtw_2ghz_channels[] = {
79	CHAN2G(1, 2412, 0),
80	CHAN2G(2, 2417, 0),
81	CHAN2G(3, 2422, 0),
82	CHAN2G(4, 2427, 0),
83	CHAN2G(5, 2432, 0),
84	CHAN2G(6, 2437, 0),
85	CHAN2G(7, 2442, 0),
86	CHAN2G(8, 2447, 0),
87	CHAN2G(9, 2452, 0),
88	CHAN2G(10, 2457, 0),
89	CHAN2G(11, 2462, 0),
90	CHAN2G(12, 2467, 0),
91	CHAN2G(13, 2472, 0),
92	CHAN2G(14, 2484, 0),
93	};
94
95	static void rtw_2g_channels_init(struct ieee80211_channel *channels)
96	{
97	memcpy((void *)channels, (void *)rtw_2ghz_channels,
98	sizeof(struct ieee80211_channel) * RTW_2G_CHANNELS_NUM
99	);
100	}
101
102	static void rtw_2g_rates_init(struct ieee80211_rate *rates)
103	{
104	memcpy(rates, rtw_g_rates,
105	sizeof(struct ieee80211_rate) * RTW_G_RATES_NUM
106	);
107	}
108
109	static struct ieee80211_supported_band *rtw_spt_band_alloc(
110	enum nl80211_band band
111	)
112	{
113	struct ieee80211_supported_band *spt_band = NULL;
114	int n_channels, n_bitrates;
115
116	if (band == NL80211_BAND_2GHZ) {
117	n_channels = RTW_2G_CHANNELS_NUM;
118	n_bitrates = RTW_G_RATES_NUM;
119	} else {
120	goto exit;
121	}
122
123	spt_band = rtw_zmalloc(sizeof(struct ieee80211_supported_band) +
124	sizeof(struct ieee80211_channel) * n_channels +
125	sizeof(struct ieee80211_rate) * n_bitrates);
126	if (!spt_band)
127	goto exit;
128
129	spt_band->channels = (struct ieee80211_channel *)(((u8 *)spt_band) + sizeof(struct ieee80211_supported_band));
130	spt_band->bitrates = (struct ieee80211_rate *)(((u8 *)spt_band->channels) + sizeof(struct ieee80211_channel) * n_channels);
131	spt_band->band = band;
132	spt_band->n_channels = n_channels;
133	spt_band->n_bitrates = n_bitrates;
134
135	if (band == NL80211_BAND_2GHZ) {
136	rtw_2g_channels_init(channels: spt_band->channels);
137	rtw_2g_rates_init(rates: spt_band->bitrates);
138	}
139
140	/* spt_band.ht_cap */
141
142	exit:
143
144	return spt_band;
145	}
146
147	static const struct ieee80211_txrx_stypes
148	rtw_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
149	[NL80211_IFTYPE_ADHOC] = {
150	.tx = 0xffff,
151	.rx = BIT(IEEE80211_STYPE_ACTION >> 4)
152	},
153	[NL80211_IFTYPE_STATION] = {
154	.tx = 0xffff,
155	.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
156	BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
157	},
158	[NL80211_IFTYPE_AP] = {
159	.tx = 0xffff,
160	.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
161	BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
162	BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
163	BIT(IEEE80211_STYPE_DISASSOC >> 4) |
164	BIT(IEEE80211_STYPE_AUTH >> 4) |
165	BIT(IEEE80211_STYPE_DEAUTH >> 4) |
166	BIT(IEEE80211_STYPE_ACTION >> 4)
167	},
168	[NL80211_IFTYPE_AP_VLAN] = {
169	/* copy AP */
170	.tx = 0xffff,
171	.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
172	BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
173	BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
174	BIT(IEEE80211_STYPE_DISASSOC >> 4) |
175	BIT(IEEE80211_STYPE_AUTH >> 4) |
176	BIT(IEEE80211_STYPE_DEAUTH >> 4) |
177	BIT(IEEE80211_STYPE_ACTION >> 4)
178	},
179	[NL80211_IFTYPE_P2P_CLIENT] = {
180	.tx = 0xffff,
181	.rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
182	BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
183	},
184	[NL80211_IFTYPE_P2P_GO] = {
185	.tx = 0xffff,
186	.rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
187	BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
188	BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
189	BIT(IEEE80211_STYPE_DISASSOC >> 4) |
190	BIT(IEEE80211_STYPE_AUTH >> 4) |
191	BIT(IEEE80211_STYPE_DEAUTH >> 4) |
192	BIT(IEEE80211_STYPE_ACTION >> 4)
193	},
194	};
195
196	static int rtw_ieee80211_channel_to_frequency(int chan, int band)
197	{
198	if (band == NL80211_BAND_2GHZ) {
199	if (chan == 14)
200	return 2484;
201	else if (chan < 14)
202	return 2407 + chan * 5;
203	}
204
205	return 0; /* not supported */
206	}
207
208	#define MAX_BSSINFO_LEN 1000
209	struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wlan_network *pnetwork)
210	{
211	struct ieee80211_channel *notify_channel;
212	struct cfg80211_bss *bss = NULL;
213	/* struct ieee80211_supported_band *band; */
214	u16 channel;
215	u32 freq;
216	u64 notify_timestamp;
217	s32 notify_signal;
218	u8 *buf = NULL, *pbuf;
219	size_t len, bssinf_len = 0;
220	struct ieee80211_hdr *pwlanhdr;
221	__le16 *fctrl;
222
223	struct wireless_dev *wdev = padapter->rtw_wdev;
224	struct wiphy *wiphy = wdev->wiphy;
225	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
226
227	bssinf_len = pnetwork->network.ie_length + sizeof(struct ieee80211_hdr_3addr);
228	if (bssinf_len > MAX_BSSINFO_LEN)
229	goto exit;
230
231	{
232	u16 wapi_len = 0;
233
234	if (rtw_get_wapi_ie(in_ie: pnetwork->network.ies, in_len: pnetwork->network.ie_length, NULL, wapi_len: &wapi_len) > 0) {
235	if (wapi_len > 0)
236	goto exit;
237	}
238	}
239
240	/* To reduce PBC Overlap rate */
241	/* spin_lock_bh(&pwdev_priv->scan_req_lock); */
242	if (adapter_wdev_data(padapter)->scan_request) {
243	u8 *psr = NULL, sr = 0;
244	struct ndis_802_11_ssid *pssid = &pnetwork->network.ssid;
245	struct cfg80211_scan_request *request = adapter_wdev_data(padapter)->scan_request;
246	struct cfg80211_ssid *ssids = request->ssids;
247	u32 wpsielen = 0;
248	u8 *wpsie = NULL;
249
250	wpsie = rtw_get_wps_ie(in_ie: pnetwork->network.ies + _FIXED_IE_LENGTH_, in_len: pnetwork->network.ie_length - _FIXED_IE_LENGTH_, NULL, wps_ielen: &wpsielen);
251
252	if (wpsie && wpsielen > 0)
253	psr = rtw_get_wps_attr_content(wps_ie: wpsie, wps_ielen: wpsielen, WPS_ATTR_SELECTED_REGISTRAR, buf_content: (u8 *)(&sr), NULL);
254
255	if (sr != 0) {
256	/* it means under processing WPS */
257	if (request->n_ssids == 1 && request->n_channels == 1) {
258	if (ssids[0].ssid_len != 0 &&
259	(pssid->ssid_length != ssids[0].ssid_len ||
260	memcmp(p: pssid->ssid, q: ssids[0].ssid, size: ssids[0].ssid_len))) {
261	if (psr)
262	*psr = 0; /* clear sr */
263	}
264	}
265	}
266	}
267	/* spin_unlock_bh(&pwdev_priv->scan_req_lock); */
268
269	channel = pnetwork->network.configuration.ds_config;
270	freq = rtw_ieee80211_channel_to_frequency(chan: channel, band: NL80211_BAND_2GHZ);
271
272	notify_channel = ieee80211_get_channel(wiphy, freq);
273
274	notify_timestamp = ktime_to_us(kt: ktime_get_boottime());
275
276	/* We've set wiphy's signal_type as CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) */
277	if (check_fwstate(pmlmepriv, _FW_LINKED) == true &&
278	is_same_network(src: &pmlmepriv->cur_network.network, dst: &pnetwork->network, feature: 0)) {
279	notify_signal = 100 * translate_percentage_to_dbm(SignalStrengthIndex: padapter->recvpriv.signal_strength);/* dbm */
280	} else {
281	notify_signal = 100 * translate_percentage_to_dbm(SignalStrengthIndex: pnetwork->network.phy_info.signal_strength);/* dbm */
282	}
283
284	buf = kzalloc(MAX_BSSINFO_LEN, GFP_ATOMIC);
285	if (!buf)
286	goto exit;
287	pbuf = buf;
288
289	pwlanhdr = (struct ieee80211_hdr *)pbuf;
290	fctrl = &(pwlanhdr->frame_control);
291	*(fctrl) = 0;
292
293	SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
294	/* pmlmeext->mgnt_seq++; */
295
296	if (pnetwork->network.reserved[0] == 1) { /* WIFI_BEACON */
297	eth_broadcast_addr(addr: pwlanhdr->addr1);
298	SetFrameSubType(pbuf, WIFI_BEACON);
299	} else {
300	memcpy(pwlanhdr->addr1, myid(&(padapter->eeprompriv)), ETH_ALEN);
301	SetFrameSubType(pbuf, WIFI_PROBERSP);
302	}
303
304	memcpy(pwlanhdr->addr2, pnetwork->network.mac_address, ETH_ALEN);
305	memcpy(pwlanhdr->addr3, pnetwork->network.mac_address, ETH_ALEN);
306
307	pbuf += sizeof(struct ieee80211_hdr_3addr);
308	len = sizeof(struct ieee80211_hdr_3addr);
309
310	memcpy(pbuf, pnetwork->network.ies, pnetwork->network.ie_length);
311	len += pnetwork->network.ie_length;
312
313	*((__le64 *)pbuf) = cpu_to_le64(notify_timestamp);
314
315	bss = cfg80211_inform_bss_frame(wiphy, rx_channel: notify_channel, mgmt: (struct ieee80211_mgmt *)buf,
316	len, signal: notify_signal, GFP_ATOMIC);
317
318	if (unlikely(!bss))
319	goto exit;
320
321	cfg80211_put_bss(wiphy, bss);
322	kfree(objp: buf);
323
324	exit:
325	return bss;
326	}
327
328	/*
329	* Check the given bss is valid by kernel API cfg80211_get_bss()
330	* @padapter : the given adapter
331	*
332	* return true if bss is valid, false for not found.
333	*/
334	int rtw_cfg80211_check_bss(struct adapter *padapter)
335	{
336	struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
337	struct cfg80211_bss *bss = NULL;
338	struct ieee80211_channel *notify_channel = NULL;
339	u32 freq;
340
341	if (!(pnetwork) || !(padapter->rtw_wdev))
342	return false;
343
344	freq = rtw_ieee80211_channel_to_frequency(chan: pnetwork->configuration.ds_config, band: NL80211_BAND_2GHZ);
345
346	notify_channel = ieee80211_get_channel(wiphy: padapter->rtw_wdev->wiphy, freq);
347	bss = cfg80211_get_bss(wiphy: padapter->rtw_wdev->wiphy, channel: notify_channel,
348	bssid: pnetwork->mac_address, ssid: pnetwork->ssid.ssid,
349	ssid_len: pnetwork->ssid.ssid_length,
350	bss_type: IEEE80211_BSS_TYPE_ANY, privacy: IEEE80211_PRIVACY_ANY);
351
352	cfg80211_put_bss(wiphy: padapter->rtw_wdev->wiphy, bss);
353
354	return (bss != NULL);
355	}
356
357	void rtw_cfg80211_ibss_indicate_connect(struct adapter *padapter)
358	{
359	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
360	struct wlan_network *cur_network = &(pmlmepriv->cur_network);
361	struct wireless_dev *pwdev = padapter->rtw_wdev;
362	struct wiphy *wiphy = pwdev->wiphy;
363	int freq = (int)cur_network->network.configuration.ds_config;
364	struct ieee80211_channel *chan;
365
366	if (pwdev->iftype != NL80211_IFTYPE_ADHOC)
367	return;
368
369	if (!rtw_cfg80211_check_bss(padapter)) {
370	struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
371	struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
372
373	if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
374	memcpy(&cur_network->network, pnetwork, sizeof(struct wlan_bssid_ex));
375	rtw_cfg80211_inform_bss(padapter, pnetwork: cur_network);
376	} else {
377	if (!scanned) {
378	rtw_warn_on(1);
379	return;
380	}
381	if (!memcmp(p: &(scanned->network.ssid), q: &(pnetwork->ssid), size: sizeof(struct ndis_802_11_ssid))
382	&& !memcmp(p: scanned->network.mac_address, q: pnetwork->mac_address, size: sizeof(NDIS_802_11_MAC_ADDRESS))
383	)
384	rtw_cfg80211_inform_bss(padapter, pnetwork: scanned);
385	else
386	rtw_warn_on(1);
387	}
388
389	if (!rtw_cfg80211_check_bss(padapter))
390	netdev_dbg(padapter->pnetdev,
391	FUNC_ADPT_FMT " BSS not found !!\n",
392	FUNC_ADPT_ARG(padapter));
393	}
394	/* notify cfg80211 that device joined an IBSS */
395	chan = ieee80211_get_channel(wiphy, freq);
396	cfg80211_ibss_joined(dev: padapter->pnetdev, bssid: cur_network->network.mac_address, channel: chan, GFP_ATOMIC);
397	}
398
399	void rtw_cfg80211_indicate_connect(struct adapter *padapter)
400	{
401	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
402	struct wlan_network *cur_network = &(pmlmepriv->cur_network);
403	struct wireless_dev *pwdev = padapter->rtw_wdev;
404
405	if (pwdev->iftype != NL80211_IFTYPE_STATION
406	&& pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
407	) {
408	return;
409	}
410
411	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
412	return;
413
414	{
415	struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
416	struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
417
418	if (!scanned) {
419	rtw_warn_on(1);
420	goto check_bss;
421	}
422
423	if (!memcmp(p: scanned->network.mac_address, q: pnetwork->mac_address, size: sizeof(NDIS_802_11_MAC_ADDRESS))
424	&& !memcmp(p: &(scanned->network.ssid), q: &(pnetwork->ssid), size: sizeof(struct ndis_802_11_ssid))
425	)
426	rtw_cfg80211_inform_bss(padapter, pnetwork: scanned);
427	else
428	rtw_warn_on(1);
429	}
430
431	check_bss:
432	if (!rtw_cfg80211_check_bss(padapter))
433	netdev_dbg(padapter->pnetdev,
434	FUNC_ADPT_FMT " BSS not found !!\n",
435	FUNC_ADPT_ARG(padapter));
436
437	if (rtw_to_roam(adapter: padapter) > 0) {
438	struct wiphy *wiphy = pwdev->wiphy;
439	struct ieee80211_channel *notify_channel;
440	u32 freq;
441	u16 channel = cur_network->network.configuration.ds_config;
442	struct cfg80211_roam_info roam_info = {};
443
444	freq = rtw_ieee80211_channel_to_frequency(chan: channel, band: NL80211_BAND_2GHZ);
445
446	notify_channel = ieee80211_get_channel(wiphy, freq);
447
448	roam_info.links[0].channel = notify_channel;
449	roam_info.links[0].bssid = cur_network->network.mac_address;
450	roam_info.req_ie =
451	pmlmepriv->assoc_req + sizeof(struct ieee80211_hdr_3addr) + 2;
452	roam_info.req_ie_len =
453	pmlmepriv->assoc_req_len - sizeof(struct ieee80211_hdr_3addr) - 2;
454	roam_info.resp_ie =
455	pmlmepriv->assoc_rsp + sizeof(struct ieee80211_hdr_3addr) + 6;
456	roam_info.resp_ie_len =
457	pmlmepriv->assoc_rsp_len - sizeof(struct ieee80211_hdr_3addr) - 6;
458	cfg80211_roamed(dev: padapter->pnetdev, info: &roam_info, GFP_ATOMIC);
459	} else {
460	cfg80211_connect_result(dev: padapter->pnetdev, bssid: cur_network->network.mac_address
461	, req_ie: pmlmepriv->assoc_req + sizeof(struct ieee80211_hdr_3addr) + 2
462	, req_ie_len: pmlmepriv->assoc_req_len - sizeof(struct ieee80211_hdr_3addr) - 2
463	, resp_ie: pmlmepriv->assoc_rsp + sizeof(struct ieee80211_hdr_3addr) + 6
464	, resp_ie_len: pmlmepriv->assoc_rsp_len - sizeof(struct ieee80211_hdr_3addr) - 6
465	, status: WLAN_STATUS_SUCCESS, GFP_ATOMIC);
466	}
467	}
468
469	void rtw_cfg80211_indicate_disconnect(struct adapter *padapter)
470	{
471	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
472	struct wireless_dev *pwdev = padapter->rtw_wdev;
473
474	if (pwdev->iftype != NL80211_IFTYPE_STATION
475	&& pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
476	) {
477	return;
478	}
479
480	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
481	return;
482
483	if (!padapter->mlmepriv.not_indic_disco) {
484	if (check_fwstate(pmlmepriv: &padapter->mlmepriv, _FW_LINKED)) {
485	cfg80211_disconnected(dev: padapter->pnetdev, reason: 0,
486	NULL, ie_len: 0, locally_generated: true, GFP_ATOMIC);
487	} else {
488	cfg80211_connect_result(dev: padapter->pnetdev, NULL, NULL, req_ie_len: 0, NULL, resp_ie_len: 0,
489	status: WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC/*GFP_KERNEL*/);
490	}
491	}
492	}
493
494	static int rtw_cfg80211_ap_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
495	{
496	int ret = 0;
497	u32 wep_key_idx, wep_key_len;
498	struct sta_info *psta = NULL, *pbcmc_sta = NULL;
499	struct adapter *padapter = rtw_netdev_priv(netdev: dev);
500	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
501	struct security_priv *psecuritypriv = &(padapter->securitypriv);
502	struct sta_priv *pstapriv = &padapter->stapriv;
503	char *grpkey = padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey;
504	char *txkey = padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey;
505	char *rxkey = padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey;
506
507	param->u.crypt.err = 0;
508	param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
509
510	if (param_len != sizeof(struct ieee_param) + param->u.crypt.key_len) {
511	ret = -EINVAL;
512	goto exit;
513	}
514
515	if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
516	param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
517	param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
518	if (param->u.crypt.idx >= WEP_KEYS) {
519	ret = -EINVAL;
520	goto exit;
521	}
522	} else {
523	psta = rtw_get_stainfo(pstapriv, hwaddr: param->sta_addr);
524	if (!psta)
525	/* ret = -EINVAL; */
526	goto exit;
527	}
528
529	if (strcmp(param->u.crypt.alg, "none") == 0 && !psta)
530	goto exit;
531
532	if (strcmp(param->u.crypt.alg, "WEP") == 0 && !psta) {
533	wep_key_idx = param->u.crypt.idx;
534	wep_key_len = param->u.crypt.key_len;
535
536	if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0)) {
537	ret = -EINVAL;
538	goto exit;
539	}
540
541	if (wep_key_len > 0)
542	wep_key_len = wep_key_len <= 5 ? 5 : 13;
543
544	if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
545	/* wep default key has not been set, so use this key index as default key. */
546
547	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
548	psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
549	psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
550	psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
551
552	if (wep_key_len == 13) {
553	psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
554	psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
555	}
556
557	psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
558	}
559
560	memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
561
562	psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
563
564	rtw_ap_set_wep_key(padapter, key: param->u.crypt.key, keylen: wep_key_len, keyid: wep_key_idx, set_tx: 1);
565
566	goto exit;
567	}
568
569	/* group key */
570	if (!psta && check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
571	/* group key */
572	if (param->u.crypt.set_tx == 0) {
573	if (strcmp(param->u.crypt.alg, "WEP") == 0) {
574	memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
575
576	psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
577	if (param->u.crypt.key_len == 13)
578	psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
579
580	} else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
581	psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
582
583	memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
584
585	/* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
586	/* set mic key */
587	memcpy(txkey, &(param->u.crypt.key[16]), 8);
588	memcpy(rxkey, &(param->u.crypt.key[24]), 8);
589
590	psecuritypriv->busetkipkey = true;
591
592	} else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
593	psecuritypriv->dot118021XGrpPrivacy = _AES_;
594
595	memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
596	} else {
597	psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
598	}
599
600	psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
601
602	psecuritypriv->binstallGrpkey = true;
603
604	psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
605
606	rtw_ap_set_group_key(padapter, key: param->u.crypt.key, alg: psecuritypriv->dot118021XGrpPrivacy, keyid: param->u.crypt.idx);
607
608	pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
609	if (pbcmc_sta) {
610	pbcmc_sta->ieee8021x_blocked = false;
611	pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
612	}
613	}
614
615	goto exit;
616	}
617
618	if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) { /* psk/802_1x */
619	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
620	if (param->u.crypt.set_tx == 1) { /* pairwise key */
621	memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
622
623	if (strcmp(param->u.crypt.alg, "WEP") == 0) {
624	psta->dot118021XPrivacy = _WEP40_;
625	if (param->u.crypt.key_len == 13)
626	psta->dot118021XPrivacy = _WEP104_;
627	} else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
628	psta->dot118021XPrivacy = _TKIP_;
629
630	/* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
631	/* set mic key */
632	memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
633	memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
634
635	psecuritypriv->busetkipkey = true;
636
637	} else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
638	psta->dot118021XPrivacy = _AES_;
639	} else {
640	psta->dot118021XPrivacy = _NO_PRIVACY_;
641	}
642
643	rtw_ap_set_pairwise_key(padapter, psta);
644
645	psta->ieee8021x_blocked = false;
646
647	psta->bpairwise_key_installed = true;
648
649	} else { /* group key??? */
650	if (strcmp(param->u.crypt.alg, "WEP") == 0) {
651	memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
652
653	psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
654	if (param->u.crypt.key_len == 13)
655	psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
656	} else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
657	psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
658
659	memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
660
661	/* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
662	/* set mic key */
663	memcpy(txkey, &(param->u.crypt.key[16]), 8);
664	memcpy(rxkey, &(param->u.crypt.key[24]), 8);
665
666	psecuritypriv->busetkipkey = true;
667
668	} else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
669	psecuritypriv->dot118021XGrpPrivacy = _AES_;
670
671	memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
672	} else {
673	psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
674	}
675
676	psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
677
678	psecuritypriv->binstallGrpkey = true;
679
680	psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
681
682	rtw_ap_set_group_key(padapter, key: param->u.crypt.key, alg: psecuritypriv->dot118021XGrpPrivacy, keyid: param->u.crypt.idx);
683
684	pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
685	if (pbcmc_sta) {
686	pbcmc_sta->ieee8021x_blocked = false;
687	pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
688	}
689	}
690	}
691	}
692
693	exit:
694
695	return ret;
696	}
697
698	static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
699	{
700	int ret = 0;
701	u8 max_idx;
702	u32 wep_key_idx, wep_key_len;
703	struct adapter *padapter = rtw_netdev_priv(netdev: dev);
704	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
705	struct security_priv *psecuritypriv = &padapter->securitypriv;
706
707	param->u.crypt.err = 0;
708	param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
709
710	if (param_len < (u32)((u8 *)param->u.crypt.key - (u8 *)param) + param->u.crypt.key_len) {
711	ret = -EINVAL;
712	goto exit;
713	}
714
715	if (param->sta_addr[0] != 0xff || param->sta_addr[1] != 0xff ||
716	param->sta_addr[2] != 0xff || param->sta_addr[3] != 0xff ||
717	param->sta_addr[4] != 0xff || param->sta_addr[5] != 0xff) {
718	ret = -EINVAL;
719	goto exit;
720	}
721
722	if (strcmp(param->u.crypt.alg, "WEP") == 0)
723	max_idx = WEP_KEYS - 1;
724	else
725	max_idx = BIP_MAX_KEYID;
726
727	if (param->u.crypt.idx > max_idx) {
728	netdev_err(dev, format: "Error crypt.idx %d > %d\n", param->u.crypt.idx, max_idx);
729	ret = -EINVAL;
730	goto exit;
731	}
732
733	if (strcmp(param->u.crypt.alg, "WEP") == 0) {
734	wep_key_idx = param->u.crypt.idx;
735	wep_key_len = param->u.crypt.key_len;
736
737	if (wep_key_len <= 0) {
738	ret = -EINVAL;
739	goto exit;
740	}
741
742	if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
743	/* wep default key has not been set, so use this key index as default key. */
744
745	wep_key_len = wep_key_len <= 5 ? 5 : 13;
746
747	psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
748	psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
749	psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
750
751	if (wep_key_len == 13) {
752	psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
753	psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
754	}
755
756	psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
757	}
758
759	memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
760
761	psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
762
763	rtw_set_key(adapter: padapter, psecuritypriv, keyid: wep_key_idx, set_tx: 0, enqueue: true);
764
765	goto exit;
766	}
767
768	if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { /* 802_1x */
769	struct sta_info *psta, *pbcmc_sta;
770	struct sta_priv *pstapriv = &padapter->stapriv;
771
772	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) { /* sta mode */
773	psta = rtw_get_stainfo(pstapriv, hwaddr: get_bssid(pmlmepriv));
774	if (psta) {
775	/* Jeff: don't disable ieee8021x_blocked while clearing key */
776	if (strcmp(param->u.crypt.alg, "none") != 0)
777	psta->ieee8021x_blocked = false;
778
779	if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
780	(padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled)) {
781	psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
782	}
783
784	if (param->u.crypt.set_tx == 1) { /* pairwise key */
785
786	memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
787
788	if (strcmp(param->u.crypt.alg, "TKIP") == 0) { /* set mic key */
789	/* DEBUG_ERR(("\nset key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
790	memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
791	memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
792
793	padapter->securitypriv.busetkipkey = false;
794	/* _set_timer(&padapter->securitypriv.tkip_timer, 50); */
795	}
796
797	rtw_setstakey_cmd(padapter, sta: psta, unicast_key: true, enqueue: true);
798	} else { /* group key */
799	if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0) {
800	memcpy(padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
801	memcpy(padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
802	memcpy(padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
803	padapter->securitypriv.binstallGrpkey = true;
804
805	padapter->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;
806	rtw_set_key(adapter: padapter, psecuritypriv: &padapter->securitypriv, keyid: param->u.crypt.idx, set_tx: 1, enqueue: true);
807	} else if (strcmp(param->u.crypt.alg, "BIP") == 0) {
808	/* save the IGTK key, length 16 bytes */
809	memcpy(padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
810	/*
811	for (no = 0;no<16;no++)
812	printk(" %02x ", padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey[no]);
813	*/
814	padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
815	padapter->securitypriv.binstallBIPkey = true;
816	}
817	}
818	}
819
820	pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
821	if (!pbcmc_sta) {
822	/* DEBUG_ERR(("Set OID_802_11_ADD_KEY: bcmc stainfo is null\n")); */
823	} else {
824	/* Jeff: don't disable ieee8021x_blocked while clearing key */
825	if (strcmp(param->u.crypt.alg, "none") != 0)
826	pbcmc_sta->ieee8021x_blocked = false;
827
828	if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
829	(padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled)) {
830	pbcmc_sta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
831	}
832	}
833	} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { /* adhoc mode */
834	}
835	}
836
837	exit:
838
839	return ret;
840	}
841
842	static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
843	int link_id, u8 key_index, bool pairwise,
844	const u8 *mac_addr, struct key_params *params)
845	{
846	char *alg_name;
847	u32 param_len;
848	struct ieee_param *param = NULL;
849	int ret = 0;
850	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
851	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
852
853	param_len = sizeof(struct ieee_param) + params->key_len;
854	param = rtw_malloc(param_len);
855	if (!param)
856	return -1;
857
858	memset(param, 0, param_len);
859
860	param->cmd = IEEE_CMD_SET_ENCRYPTION;
861	eth_broadcast_addr(addr: param->sta_addr);
862
863	switch (params->cipher) {
864	case IW_AUTH_CIPHER_NONE:
865	/* todo: remove key */
866	/* remove = 1; */
867	alg_name = "none";
868	break;
869	case WLAN_CIPHER_SUITE_WEP40:
870	case WLAN_CIPHER_SUITE_WEP104:
871	alg_name = "WEP";
872	break;
873	case WLAN_CIPHER_SUITE_TKIP:
874	alg_name = "TKIP";
875	break;
876	case WLAN_CIPHER_SUITE_CCMP:
877	alg_name = "CCMP";
878	break;
879	case WLAN_CIPHER_SUITE_AES_CMAC:
880	alg_name = "BIP";
881	break;
882	default:
883	ret = -ENOTSUPP;
884	goto addkey_end;
885	}
886
887	strncpy(p: (char *)param->u.crypt.alg, q: alg_name, IEEE_CRYPT_ALG_NAME_LEN);
888
889	if (!mac_addr || is_broadcast_ether_addr(addr: mac_addr))
890	param->u.crypt.set_tx = 0; /* for wpa/wpa2 group key */
891	else
892	param->u.crypt.set_tx = 1; /* for wpa/wpa2 pairwise key */
893
894	param->u.crypt.idx = key_index;
895
896	if (params->seq_len && params->seq)
897	memcpy(param->u.crypt.seq, (u8 *)params->seq, params->seq_len);
898
899	if (params->key_len && params->key) {
900	param->u.crypt.key_len = params->key_len;
901	memcpy(param->u.crypt.key, (u8 *)params->key, params->key_len);
902	}
903
904	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
905	ret = rtw_cfg80211_set_encryption(dev: ndev, param, param_len);
906	} else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
907	if (mac_addr)
908	memcpy(param->sta_addr, (void *)mac_addr, ETH_ALEN);
909
910	ret = rtw_cfg80211_ap_set_encryption(dev: ndev, param, param_len);
911	} else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true
912	|| check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
913	ret = rtw_cfg80211_set_encryption(dev: ndev, param, param_len);
914	}
915
916	addkey_end:
917	kfree(objp: param);
918
919	return ret;
920	}
921
922	static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev,
923	int link_id, u8 key_index, bool pairwise,
924	const u8 *mac_addr, void *cookie,
925	void (*callback)(void *cookie,
926	struct key_params*))
927	{
928	return 0;
929	}
930
931	static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
932	int link_id, u8 key_index, bool pairwise,
933	const u8 *mac_addr)
934	{
935	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
936	struct security_priv *psecuritypriv = &padapter->securitypriv;
937
938	if (key_index == psecuritypriv->dot11PrivacyKeyIndex) {
939	/* clear the flag of wep default key set. */
940	psecuritypriv->bWepDefaultKeyIdxSet = 0;
941	}
942
943	return 0;
944	}
945
946	static int cfg80211_rtw_set_default_key(struct wiphy *wiphy,
947	struct net_device *ndev, int link_id,
948	u8 key_index, bool unicast,
949	bool multicast)
950	{
951	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
952	struct security_priv *psecuritypriv = &padapter->securitypriv;
953
954	if ((key_index < WEP_KEYS) && ((psecuritypriv->dot11PrivacyAlgrthm == _WEP40_) || (psecuritypriv->dot11PrivacyAlgrthm == _WEP104_))) { /* set wep default key */
955	psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
956
957	psecuritypriv->dot11PrivacyKeyIndex = key_index;
958
959	psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
960	psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
961	if (psecuritypriv->dot11DefKeylen[key_index] == 13) {
962	psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
963	psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
964	}
965
966	psecuritypriv->bWepDefaultKeyIdxSet = 1; /* set the flag to represent that wep default key has been set */
967	}
968
969	return 0;
970	}
971
972	static int cfg80211_rtw_get_station(struct wiphy *wiphy,
973	struct net_device *ndev,
974	const u8 *mac,
975	struct station_info *sinfo)
976	{
977	int ret = 0;
978	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
979	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
980	struct sta_info *psta = NULL;
981	struct sta_priv *pstapriv = &padapter->stapriv;
982
983	sinfo->filled = 0;
984
985	if (!mac) {
986	ret = -ENOENT;
987	goto exit;
988	}
989
990	psta = rtw_get_stainfo(pstapriv, hwaddr: (u8 *)mac);
991	if (!psta) {
992	ret = -ENOENT;
993	goto exit;
994	}
995
996	/* for infra./P2PClient mode */
997	if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
998	&& check_fwstate(pmlmepriv, _FW_LINKED)) {
999	struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1000
1001	if (memcmp(p: (u8 *)mac, q: cur_network->network.mac_address, ETH_ALEN)) {
1002	ret = -ENOENT;
1003	goto exit;
1004	}
1005
1006	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1007	sinfo->signal = translate_percentage_to_dbm(SignalStrengthIndex: padapter->recvpriv.signal_strength);
1008
1009	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1010	sinfo->txrate.legacy = rtw_get_cur_max_rate(adapter: padapter);
1011
1012	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
1013	sinfo->rx_packets = sta_rx_data_pkts(psta);
1014
1015	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
1016	sinfo->tx_packets = psta->sta_stats.tx_pkts;
1017	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1018	}
1019
1020	/* for Ad-Hoc/AP mode */
1021	if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
1022	check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1023	check_fwstate(pmlmepriv, WIFI_AP_STATE)) &&
1024	check_fwstate(pmlmepriv, _FW_LINKED)) {
1025	/* TODO: should acquire station info... */
1026	}
1027
1028	exit:
1029	return ret;
1030	}
1031
1032	static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
1033	struct net_device *ndev,
1034	enum nl80211_iftype type,
1035	struct vif_params *params)
1036	{
1037	enum nl80211_iftype old_type;
1038	enum ndis_802_11_network_infrastructure networkType;
1039	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
1040	struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1041	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1042	int ret = 0;
1043
1044	if (adapter_to_dvobj(padapter)->processing_dev_remove == true) {
1045	ret = -EPERM;
1046	goto exit;
1047	}
1048
1049	{
1050	if (netdev_open(pnetdev: ndev) != 0) {
1051	ret = -EPERM;
1052	goto exit;
1053	}
1054	}
1055
1056	if (rtw_pwr_wakeup(padapter) == _FAIL) {
1057	ret = -EPERM;
1058	goto exit;
1059	}
1060
1061	old_type = rtw_wdev->iftype;
1062
1063	if (old_type != type) {
1064	pmlmeext->action_public_rxseq = 0xffff;
1065	pmlmeext->action_public_dialog_token = 0xff;
1066	}
1067
1068	switch (type) {
1069	case NL80211_IFTYPE_ADHOC:
1070	networkType = Ndis802_11IBSS;
1071	break;
1072	case NL80211_IFTYPE_STATION:
1073	networkType = Ndis802_11Infrastructure;
1074	break;
1075	case NL80211_IFTYPE_AP:
1076	networkType = Ndis802_11APMode;
1077	break;
1078	default:
1079	ret = -EOPNOTSUPP;
1080	goto exit;
1081	}
1082
1083	rtw_wdev->iftype = type;
1084
1085	if (rtw_set_802_11_infrastructure_mode(padapter, networktype: networkType) == false) {
1086	rtw_wdev->iftype = old_type;
1087	ret = -EPERM;
1088	goto exit;
1089	}
1090
1091	rtw_setopmode_cmd(padapter, networktype: networkType, enqueue: true);
1092
1093	exit:
1094
1095	return ret;
1096	}
1097
1098	void rtw_cfg80211_indicate_scan_done(struct adapter *adapter, bool aborted)
1099	{
1100	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
1101	struct cfg80211_scan_info info = {
1102	.aborted = aborted
1103	};
1104
1105	spin_lock_bh(lock: &pwdev_priv->scan_req_lock);
1106	if (pwdev_priv->scan_request) {
1107	/* avoid WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); */
1108	if (pwdev_priv->scan_request->wiphy == pwdev_priv->rtw_wdev->wiphy)
1109	cfg80211_scan_done(request: pwdev_priv->scan_request, info: &info);
1110
1111	pwdev_priv->scan_request = NULL;
1112	}
1113	spin_unlock_bh(lock: &pwdev_priv->scan_req_lock);
1114	}
1115
1116	void rtw_cfg80211_unlink_bss(struct adapter *padapter, struct wlan_network *pnetwork)
1117	{
1118	struct wireless_dev *pwdev = padapter->rtw_wdev;
1119	struct wiphy *wiphy = pwdev->wiphy;
1120	struct cfg80211_bss *bss = NULL;
1121	struct wlan_bssid_ex *select_network = &pnetwork->network;
1122
1123	bss = cfg80211_get_bss(wiphy, NULL/*notify_channel*/,
1124	bssid: select_network->mac_address,
1125	ssid: select_network->ssid.ssid,
1126	ssid_len: select_network->ssid.ssid_length,
1127	bss_type: IEEE80211_BSS_TYPE_ANY, privacy: IEEE80211_PRIVACY_ANY);
1128
1129	if (bss) {
1130	cfg80211_unlink_bss(wiphy, bss);
1131	cfg80211_put_bss(wiphy: padapter->rtw_wdev->wiphy, bss);
1132	}
1133	}
1134
1135	void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
1136	{
1137	struct list_head *plist, *phead;
1138	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1139	struct __queue *queue = &(pmlmepriv->scanned_queue);
1140	struct wlan_network *pnetwork = NULL;
1141
1142	spin_lock_bh(lock: &(pmlmepriv->scanned_queue.lock));
1143
1144	phead = get_list_head(queue);
1145	list_for_each(plist, phead)
1146	{
1147	pnetwork = list_entry(plist, struct wlan_network, list);
1148
1149	/* report network only if the current channel set contains the channel to which this network belongs */
1150	if (rtw_ch_set_search_ch(ch_set: padapter->mlmeextpriv.channel_set, ch: pnetwork->network.configuration.ds_config) >= 0
1151	&& true == rtw_validate_ssid(ssid: &(pnetwork->network.ssid))) {
1152	/* ev =translate_scan(padapter, a, pnetwork, ev, stop); */
1153	rtw_cfg80211_inform_bss(padapter, pnetwork);
1154	}
1155	}
1156
1157	spin_unlock_bh(lock: &(pmlmepriv->scanned_queue.lock));
1158	}
1159
1160	static int rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter *padapter, char *buf, int len)
1161	{
1162	int ret = 0;
1163	uint wps_ielen = 0;
1164	u8 *wps_ie;
1165	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1166
1167	if (len > 0) {
1168	wps_ie = rtw_get_wps_ie(in_ie: buf, in_len: len, NULL, wps_ielen: &wps_ielen);
1169	if (wps_ie) {
1170	if (pmlmepriv->wps_probe_req_ie) {
1171	pmlmepriv->wps_probe_req_ie_len = 0;
1172	kfree(objp: pmlmepriv->wps_probe_req_ie);
1173	pmlmepriv->wps_probe_req_ie = NULL;
1174	}
1175
1176	pmlmepriv->wps_probe_req_ie = rtw_malloc(wps_ielen);
1177	if (!pmlmepriv->wps_probe_req_ie)
1178	return -EINVAL;
1179
1180	memcpy(pmlmepriv->wps_probe_req_ie, wps_ie, wps_ielen);
1181	pmlmepriv->wps_probe_req_ie_len = wps_ielen;
1182	}
1183	}
1184
1185	return ret;
1186	}
1187
1188	static int cfg80211_rtw_scan(struct wiphy *wiphy
1189	, struct cfg80211_scan_request *request)
1190	{
1191	struct net_device *ndev = wdev_to_ndev(request->wdev);
1192	int i;
1193	u8 _status = false;
1194	int ret = 0;
1195	struct ndis_802_11_ssid *ssid = NULL;
1196	struct rtw_ieee80211_channel ch[RTW_CHANNEL_SCAN_AMOUNT];
1197	u8 survey_times = 3;
1198	u8 survey_times_for_one_ch = 6;
1199	struct cfg80211_ssid *ssids = request->ssids;
1200	int j = 0;
1201	bool need_indicate_scan_done = false;
1202
1203	struct adapter *padapter;
1204	struct rtw_wdev_priv *pwdev_priv;
1205	struct mlme_priv *pmlmepriv;
1206
1207	if (!ndev) {
1208	ret = -EINVAL;
1209	goto exit;
1210	}
1211
1212	padapter = rtw_netdev_priv(netdev: ndev);
1213	pwdev_priv = adapter_wdev_data(padapter);
1214	pmlmepriv = &padapter->mlmepriv;
1215	/* endif */
1216
1217	spin_lock_bh(lock: &pwdev_priv->scan_req_lock);
1218	pwdev_priv->scan_request = request;
1219	spin_unlock_bh(lock: &pwdev_priv->scan_req_lock);
1220
1221	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
1222	if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS | _FW_UNDER_SURVEY | _FW_UNDER_LINKING) == true) {
1223	need_indicate_scan_done = true;
1224	goto check_need_indicate_scan_done;
1225	}
1226	}
1227
1228	rtw_ps_deny(padapter, reason: PS_DENY_SCAN);
1229	if (rtw_pwr_wakeup(padapter) == _FAIL) {
1230	need_indicate_scan_done = true;
1231	goto check_need_indicate_scan_done;
1232	}
1233
1234	if (request->ie && request->ie_len > 0)
1235	rtw_cfg80211_set_probe_req_wpsp2pie(padapter, buf: (u8 *)request->ie, len: request->ie_len);
1236
1237	if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
1238	need_indicate_scan_done = true;
1239	goto check_need_indicate_scan_done;
1240	} else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1241	ret = -EBUSY;
1242	goto check_need_indicate_scan_done;
1243	}
1244
1245	if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true) {
1246	static unsigned long lastscantime;
1247	unsigned long passtime;
1248
1249	passtime = jiffies_to_msecs(j: jiffies - lastscantime);
1250	lastscantime = jiffies;
1251	if (passtime > 12000) {
1252	need_indicate_scan_done = true;
1253	goto check_need_indicate_scan_done;
1254	}
1255	}
1256
1257	if (rtw_is_scan_deny(adapter: padapter)) {
1258	need_indicate_scan_done = true;
1259	goto check_need_indicate_scan_done;
1260	}
1261
1262	ssid = kcalloc(RTW_SSID_SCAN_AMOUNT, size: sizeof(*ssid), GFP_KERNEL);
1263	if (!ssid) {
1264	ret = -ENOMEM;
1265	goto check_need_indicate_scan_done;
1266	}
1267
1268	/* parsing request ssids, n_ssids */
1269	for (i = 0; i < request->n_ssids && i < RTW_SSID_SCAN_AMOUNT; i++) {
1270	memcpy(ssid[i].ssid, ssids[i].ssid, ssids[i].ssid_len);
1271	ssid[i].ssid_length = ssids[i].ssid_len;
1272	}
1273
1274	/* parsing channels, n_channels */
1275	memset(ch, 0, sizeof(struct rtw_ieee80211_channel) * RTW_CHANNEL_SCAN_AMOUNT);
1276	for (i = 0; i < request->n_channels && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
1277	ch[i].hw_value = request->channels[i]->hw_value;
1278	ch[i].flags = request->channels[i]->flags;
1279	}
1280
1281	spin_lock_bh(lock: &pmlmepriv->lock);
1282	if (request->n_channels == 1) {
1283	for (i = 1; i < survey_times_for_one_ch; i++)
1284	memcpy(&ch[i], &ch[0], sizeof(struct rtw_ieee80211_channel));
1285	_status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, ch_num: survey_times_for_one_ch);
1286	} else if (request->n_channels <= 4) {
1287	for (j = request->n_channels - 1; j >= 0; j--)
1288	for (i = 0; i < survey_times; i++)
1289	memcpy(&ch[j * survey_times + i], &ch[j], sizeof(struct rtw_ieee80211_channel));
1290	_status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, ch_num: survey_times * request->n_channels);
1291	} else {
1292	_status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, NULL, ch_num: 0);
1293	}
1294	spin_unlock_bh(lock: &pmlmepriv->lock);
1295
1296	if (_status == false)
1297	ret = -1;
1298
1299	check_need_indicate_scan_done:
1300	kfree(objp: ssid);
1301	if (need_indicate_scan_done) {
1302	rtw_cfg80211_surveydone_event_callback(padapter);
1303	rtw_cfg80211_indicate_scan_done(adapter: padapter, aborted: false);
1304	}
1305
1306	rtw_ps_deny_cancel(padapter, reason: PS_DENY_SCAN);
1307
1308	exit:
1309	return ret;
1310	}
1311
1312	static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1313	{
1314	return 0;
1315	}
1316
1317	static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
1318	{
1319	if (!wpa_version) {
1320	psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1321	return 0;
1322	}
1323
1324	if (wpa_version & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1325	psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPAPSK;
1326
1327	return 0;
1328	}
1329
1330	static int rtw_cfg80211_set_auth_type(struct security_priv *psecuritypriv,
1331	enum nl80211_auth_type sme_auth_type)
1332	{
1333	switch (sme_auth_type) {
1334	case NL80211_AUTHTYPE_AUTOMATIC:
1335
1336	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
1337
1338	break;
1339	case NL80211_AUTHTYPE_OPEN_SYSTEM:
1340
1341	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1342
1343	if (psecuritypriv->ndisauthtype > Ndis802_11AuthModeWPA)
1344	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1345
1346	break;
1347	case NL80211_AUTHTYPE_SHARED_KEY:
1348
1349	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;
1350
1351	psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
1352
1353	break;
1354	default:
1355	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1356	/* return -ENOTSUPP; */
1357	}
1358
1359	return 0;
1360	}
1361
1362	static int rtw_cfg80211_set_cipher(struct security_priv *psecuritypriv, u32 cipher, bool ucast)
1363	{
1364	u32 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1365
1366	u32 *profile_cipher = ucast ? &psecuritypriv->dot11PrivacyAlgrthm :
1367	&psecuritypriv->dot118021XGrpPrivacy;
1368
1369	if (!cipher) {
1370	*profile_cipher = _NO_PRIVACY_;
1371	psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1372	return 0;
1373	}
1374
1375	switch (cipher) {
1376	case IW_AUTH_CIPHER_NONE:
1377	*profile_cipher = _NO_PRIVACY_;
1378	ndisencryptstatus = Ndis802_11EncryptionDisabled;
1379	break;
1380	case WLAN_CIPHER_SUITE_WEP40:
1381	*profile_cipher = _WEP40_;
1382	ndisencryptstatus = Ndis802_11Encryption1Enabled;
1383	break;
1384	case WLAN_CIPHER_SUITE_WEP104:
1385	*profile_cipher = _WEP104_;
1386	ndisencryptstatus = Ndis802_11Encryption1Enabled;
1387	break;
1388	case WLAN_CIPHER_SUITE_TKIP:
1389	*profile_cipher = _TKIP_;
1390	ndisencryptstatus = Ndis802_11Encryption2Enabled;
1391	break;
1392	case WLAN_CIPHER_SUITE_CCMP:
1393	*profile_cipher = _AES_;
1394	ndisencryptstatus = Ndis802_11Encryption3Enabled;
1395	break;
1396	default:
1397	return -ENOTSUPP;
1398	}
1399
1400	if (ucast) {
1401	psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1402
1403	/* if (psecuritypriv->dot11PrivacyAlgrthm >= _AES_) */
1404	/* psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPA2PSK; */
1405	}
1406
1407	return 0;
1408	}
1409
1410	static int rtw_cfg80211_set_key_mgt(struct security_priv *psecuritypriv, u32 key_mgt)
1411	{
1412	if (key_mgt == WLAN_AKM_SUITE_8021X)
1413	/* auth_type = UMAC_AUTH_TYPE_8021X; */
1414	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1415	else if (key_mgt == WLAN_AKM_SUITE_PSK) {
1416	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1417	}
1418
1419	return 0;
1420	}
1421
1422	static int rtw_cfg80211_set_wpa_ie(struct adapter *padapter, u8 *pie, size_t ielen)
1423	{
1424	u8 *buf = NULL;
1425	int group_cipher = 0, pairwise_cipher = 0;
1426	int ret = 0;
1427	int wpa_ielen = 0;
1428	int wpa2_ielen = 0;
1429	u8 *pwpa, *pwpa2;
1430	u8 null_addr[] = {0, 0, 0, 0, 0, 0};
1431
1432	if (!pie || !ielen) {
1433	/* Treat this as normal case, but need to clear WIFI_UNDER_WPS */
1434	_clr_fwstate_(pmlmepriv: &padapter->mlmepriv, WIFI_UNDER_WPS);
1435	goto exit;
1436	}
1437
1438	if (ielen > MAX_WPA_IE_LEN + MAX_WPS_IE_LEN + MAX_P2P_IE_LEN) {
1439	ret = -EINVAL;
1440	goto exit;
1441	}
1442
1443	buf = rtw_zmalloc(ielen);
1444	if (!buf) {
1445	ret = -ENOMEM;
1446	goto exit;
1447	}
1448
1449	memcpy(buf, pie, ielen);
1450
1451	if (ielen < RSN_HEADER_LEN) {
1452	ret = -1;
1453	goto exit;
1454	}
1455
1456	pwpa = rtw_get_wpa_ie(pie: buf, wpa_ie_len: &wpa_ielen, limit: ielen);
1457	if (pwpa && wpa_ielen > 0) {
1458	if (rtw_parse_wpa_ie(wpa_ie: pwpa, wpa_ie_len: wpa_ielen + 2, group_cipher: &group_cipher, pairwise_cipher: &pairwise_cipher, NULL) == _SUCCESS) {
1459	padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1460	padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
1461	memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen + 2);
1462	}
1463	}
1464
1465	pwpa2 = rtw_get_wpa2_ie(pie: buf, rsn_ie_len: &wpa2_ielen, limit: ielen);
1466	if (pwpa2 && wpa2_ielen > 0) {
1467	if (rtw_parse_wpa2_ie(wpa_ie: pwpa2, wpa_ie_len: wpa2_ielen + 2, group_cipher: &group_cipher, pairwise_cipher: &pairwise_cipher, NULL) == _SUCCESS) {
1468	padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1469	padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
1470	memcpy(padapter->securitypriv.supplicant_ie, &pwpa2[0], wpa2_ielen + 2);
1471	}
1472	}
1473
1474	if (group_cipher == 0)
1475	group_cipher = WPA_CIPHER_NONE;
1476
1477	if (pairwise_cipher == 0)
1478	pairwise_cipher = WPA_CIPHER_NONE;
1479
1480	switch (group_cipher) {
1481	case WPA_CIPHER_NONE:
1482	padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
1483	padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1484	break;
1485	case WPA_CIPHER_WEP40:
1486	padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
1487	padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1488	break;
1489	case WPA_CIPHER_TKIP:
1490	padapter->securitypriv.dot118021XGrpPrivacy = _TKIP_;
1491	padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1492	break;
1493	case WPA_CIPHER_CCMP:
1494	padapter->securitypriv.dot118021XGrpPrivacy = _AES_;
1495	padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1496	break;
1497	case WPA_CIPHER_WEP104:
1498	padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1499	padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1500	break;
1501	}
1502
1503	switch (pairwise_cipher) {
1504	case WPA_CIPHER_NONE:
1505	padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
1506	padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1507	break;
1508	case WPA_CIPHER_WEP40:
1509	padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
1510	padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1511	break;
1512	case WPA_CIPHER_TKIP:
1513	padapter->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
1514	padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1515	break;
1516	case WPA_CIPHER_CCMP:
1517	padapter->securitypriv.dot11PrivacyAlgrthm = _AES_;
1518	padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1519	break;
1520	case WPA_CIPHER_WEP104:
1521	padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1522	padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1523	break;
1524	}
1525
1526	{/* handle wps_ie */
1527	uint wps_ielen;
1528	u8 *wps_ie;
1529
1530	wps_ie = rtw_get_wps_ie(in_ie: buf, in_len: ielen, NULL, wps_ielen: &wps_ielen);
1531	if (wps_ie && wps_ielen > 0) {
1532	padapter->securitypriv.wps_ie_len = min_t(uint, wps_ielen, MAX_WPS_IE_LEN);
1533	memcpy(padapter->securitypriv.wps_ie, wps_ie, padapter->securitypriv.wps_ie_len);
1534	set_fwstate(pmlmepriv: &padapter->mlmepriv, WIFI_UNDER_WPS);
1535	} else {
1536	_clr_fwstate_(pmlmepriv: &padapter->mlmepriv, WIFI_UNDER_WPS);
1537	}
1538	}
1539
1540	/* TKIP and AES disallow multicast packets until installing group key */
1541	if (padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_
1542	|| padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
1543	|| padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
1544	/* WPS open need to enable multicast */
1545	/* check_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS) == true) */
1546	rtw_hal_set_hwreg(padapter, variable: HW_VAR_OFF_RCR_AM, val: null_addr);
1547
1548	exit:
1549	kfree(objp: buf);
1550	if (ret)
1551	_clr_fwstate_(pmlmepriv: &padapter->mlmepriv, WIFI_UNDER_WPS);
1552	return ret;
1553	}
1554
1555	static int cfg80211_rtw_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1556	struct cfg80211_ibss_params *params)
1557	{
1558	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
1559	struct ndis_802_11_ssid ndis_ssid;
1560	struct security_priv *psecuritypriv = &padapter->securitypriv;
1561	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1562	int ret = 0;
1563
1564	if (rtw_pwr_wakeup(padapter) == _FAIL) {
1565	ret = -EPERM;
1566	goto exit;
1567	}
1568
1569	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1570	ret = -EPERM;
1571	goto exit;
1572	}
1573
1574	if (!params->ssid || !params->ssid_len) {
1575	ret = -EINVAL;
1576	goto exit;
1577	}
1578
1579	if (params->ssid_len > IW_ESSID_MAX_SIZE) {
1580	ret = -E2BIG;
1581	goto exit;
1582	}
1583
1584	memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1585	ndis_ssid.ssid_length = params->ssid_len;
1586	memcpy(ndis_ssid.ssid, (u8 *)params->ssid, params->ssid_len);
1587
1588	psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1589	psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1590	psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1591	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1592	psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1593
1594	ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme_auth_type: NL80211_AUTHTYPE_OPEN_SYSTEM);
1595	rtw_set_802_11_authentication_mode(pdapter: padapter, authmode: psecuritypriv->ndisauthtype);
1596
1597	if (rtw_set_802_11_ssid(padapter, ssid: &ndis_ssid) == false) {
1598	ret = -1;
1599	goto exit;
1600	}
1601
1602	exit:
1603	return ret;
1604	}
1605
1606	static int cfg80211_rtw_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1607	{
1608	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
1609	struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1610	enum nl80211_iftype old_type;
1611	int ret = 0;
1612
1613	old_type = rtw_wdev->iftype;
1614
1615	rtw_set_to_roam(adapter: padapter, to_roam: 0);
1616
1617	if (check_fwstate(pmlmepriv: &padapter->mlmepriv, _FW_LINKED)) {
1618	rtw_scan_abort(adapter: padapter);
1619	LeaveAllPowerSaveMode(Adapter: padapter);
1620
1621	rtw_wdev->iftype = NL80211_IFTYPE_STATION;
1622
1623	if (rtw_set_802_11_infrastructure_mode(padapter, networktype: Ndis802_11Infrastructure) == false) {
1624	rtw_wdev->iftype = old_type;
1625	ret = -EPERM;
1626	goto leave_ibss;
1627	}
1628	rtw_setopmode_cmd(padapter, networktype: Ndis802_11Infrastructure, enqueue: true);
1629	}
1630
1631	leave_ibss:
1632	return ret;
1633	}
1634
1635	static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev,
1636	struct cfg80211_connect_params *sme)
1637	{
1638	int ret = 0;
1639	enum ndis_802_11_authentication_mode authmode;
1640	struct ndis_802_11_ssid ndis_ssid;
1641	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
1642	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1643	struct security_priv *psecuritypriv = &padapter->securitypriv;
1644
1645	padapter->mlmepriv.not_indic_disco = true;
1646
1647	if (adapter_wdev_data(padapter)->block == true) {
1648	ret = -EBUSY;
1649	goto exit;
1650	}
1651
1652	rtw_ps_deny(padapter, reason: PS_DENY_JOIN);
1653	if (rtw_pwr_wakeup(padapter) == _FAIL) {
1654	ret = -EPERM;
1655	goto exit;
1656	}
1657
1658	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1659	ret = -EPERM;
1660	goto exit;
1661	}
1662
1663	if (!sme->ssid || !sme->ssid_len) {
1664	ret = -EINVAL;
1665	goto exit;
1666	}
1667
1668	if (sme->ssid_len > IW_ESSID_MAX_SIZE) {
1669	ret = -E2BIG;
1670	goto exit;
1671	}
1672
1673	memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1674	ndis_ssid.ssid_length = sme->ssid_len;
1675	memcpy(ndis_ssid.ssid, (u8 *)sme->ssid, sme->ssid_len);
1676
1677	if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1678	ret = -EBUSY;
1679	goto exit;
1680	}
1681	if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true)
1682	rtw_scan_abort(adapter: padapter);
1683
1684	psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1685	psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1686	psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1687	psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1688	psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1689
1690	ret = rtw_cfg80211_set_wpa_version(psecuritypriv, wpa_version: sme->crypto.wpa_versions);
1691	if (ret < 0)
1692	goto exit;
1693
1694	ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme_auth_type: sme->auth_type);
1695
1696	if (ret < 0)
1697	goto exit;
1698
1699	ret = rtw_cfg80211_set_wpa_ie(padapter, pie: (u8 *)sme->ie, ielen: sme->ie_len);
1700	if (ret < 0)
1701	goto exit;
1702
1703	if (sme->crypto.n_ciphers_pairwise) {
1704	ret = rtw_cfg80211_set_cipher(psecuritypriv, cipher: sme->crypto.ciphers_pairwise[0], ucast: true);
1705	if (ret < 0)
1706	goto exit;
1707	}
1708
1709	/* For WEP Shared auth */
1710	if ((psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Shared ||
1711	psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Auto) && sme->key) {
1712	u32 wep_key_idx, wep_key_len, wep_total_len;
1713	struct ndis_802_11_wep *pwep = NULL;
1714
1715	wep_key_idx = sme->key_idx;
1716	wep_key_len = sme->key_len;
1717
1718	if (sme->key_idx > WEP_KEYS) {
1719	ret = -EINVAL;
1720	goto exit;
1721	}
1722
1723	if (wep_key_len > 0) {
1724	wep_key_len = wep_key_len <= 5 ? 5 : 13;
1725	wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, key_material);
1726	pwep = rtw_malloc(wep_total_len);
1727	if (!pwep) {
1728	ret = -ENOMEM;
1729	goto exit;
1730	}
1731
1732	memset(pwep, 0, wep_total_len);
1733
1734	pwep->key_length = wep_key_len;
1735	pwep->length = wep_total_len;
1736
1737	if (wep_key_len == 13) {
1738	padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1739	padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1740	}
1741	} else {
1742	ret = -EINVAL;
1743	goto exit;
1744	}
1745
1746	pwep->key_index = wep_key_idx;
1747	pwep->key_index |= 0x80000000;
1748
1749	memcpy(pwep->key_material, (void *)sme->key, pwep->key_length);
1750
1751	if (rtw_set_802_11_add_wep(padapter, wep: pwep) == (u8)_FAIL)
1752	ret = -EOPNOTSUPP;
1753
1754	kfree(objp: pwep);
1755
1756	if (ret < 0)
1757	goto exit;
1758	}
1759
1760	ret = rtw_cfg80211_set_cipher(psecuritypriv, cipher: sme->crypto.cipher_group, ucast: false);
1761	if (ret < 0)
1762	return ret;
1763
1764	if (sme->crypto.n_akm_suites) {
1765	ret = rtw_cfg80211_set_key_mgt(psecuritypriv, key_mgt: sme->crypto.akm_suites[0]);
1766	if (ret < 0)
1767	goto exit;
1768	}
1769
1770	authmode = psecuritypriv->ndisauthtype;
1771	rtw_set_802_11_authentication_mode(pdapter: padapter, authmode);
1772
1773	/* rtw_set_802_11_encryption_mode(padapter, padapter->securitypriv.ndisencryptstatus); */
1774
1775	if (rtw_set_802_11_connect(padapter, bssid: (u8 *)sme->bssid, ssid: &ndis_ssid) == false) {
1776	ret = -1;
1777	goto exit;
1778	}
1779
1780	exit:
1781
1782	rtw_ps_deny_cancel(padapter, reason: PS_DENY_JOIN);
1783
1784	padapter->mlmepriv.not_indic_disco = false;
1785
1786	return ret;
1787	}
1788
1789	static int cfg80211_rtw_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1790	u16 reason_code)
1791	{
1792	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
1793
1794	rtw_set_to_roam(adapter: padapter, to_roam: 0);
1795
1796	rtw_scan_abort(adapter: padapter);
1797	LeaveAllPowerSaveMode(Adapter: padapter);
1798	rtw_disassoc_cmd(padapter, deauth_timeout_ms: 500, enqueue: false);
1799
1800	rtw_indicate_disconnect(adapter: padapter);
1801
1802	rtw_free_assoc_resources(adapter: padapter, lock_scanned_queue: 1);
1803	rtw_pwr_wakeup(padapter);
1804
1805	return 0;
1806	}
1807
1808	static int cfg80211_rtw_set_txpower(struct wiphy *wiphy,
1809	struct wireless_dev *wdev,
1810	enum nl80211_tx_power_setting type, int mbm)
1811	{
1812	return 0;
1813	}
1814
1815	static int cfg80211_rtw_get_txpower(struct wiphy *wiphy,
1816	struct wireless_dev *wdev, int *dbm)
1817	{
1818	*dbm = (12);
1819
1820	return 0;
1821	}
1822
1823	inline bool rtw_cfg80211_pwr_mgmt(struct adapter *adapter)
1824	{
1825	struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(adapter);
1826
1827	return rtw_wdev_priv->power_mgmt;
1828	}
1829
1830	static int cfg80211_rtw_set_power_mgmt(struct wiphy *wiphy,
1831	struct net_device *ndev,
1832	bool enabled, int timeout)
1833	{
1834	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
1835	struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(padapter);
1836
1837	rtw_wdev_priv->power_mgmt = enabled;
1838
1839	if (!enabled)
1840	LPS_Leave(padapter, msg: "CFG80211_PWRMGMT");
1841
1842	return 0;
1843	}
1844
1845	static int cfg80211_rtw_set_pmksa(struct wiphy *wiphy,
1846	struct net_device *ndev,
1847	struct cfg80211_pmksa *pmksa)
1848	{
1849	u8 index, blInserted = false;
1850	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
1851	struct security_priv *psecuritypriv = &padapter->securitypriv;
1852
1853	if (is_zero_ether_addr(addr: (u8 *)pmksa->bssid))
1854	return -EINVAL;
1855
1856	blInserted = false;
1857
1858	/* overwrite PMKID */
1859	for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
1860	if (!memcmp(p: psecuritypriv->PMKIDList[index].Bssid, q: (u8 *)pmksa->bssid, ETH_ALEN)) {
1861	memcpy(psecuritypriv->PMKIDList[index].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
1862	psecuritypriv->PMKIDList[index].bUsed = true;
1863	psecuritypriv->PMKIDIndex = index + 1;
1864	blInserted = true;
1865	break;
1866	}
1867	}
1868
1869	if (!blInserted) {
1870	memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].Bssid, (u8 *)pmksa->bssid, ETH_ALEN);
1871	memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
1872
1873	psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].bUsed = true;
1874	psecuritypriv->PMKIDIndex++;
1875	if (psecuritypriv->PMKIDIndex == 16)
1876	psecuritypriv->PMKIDIndex = 0;
1877	}
1878
1879	return 0;
1880	}
1881
1882	static int cfg80211_rtw_del_pmksa(struct wiphy *wiphy,
1883	struct net_device *ndev,
1884	struct cfg80211_pmksa *pmksa)
1885	{
1886	u8 index, bMatched = false;
1887	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
1888	struct security_priv *psecuritypriv = &padapter->securitypriv;
1889
1890	for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
1891	if (!memcmp(p: psecuritypriv->PMKIDList[index].Bssid, q: (u8 *)pmksa->bssid, ETH_ALEN)) {
1892	/*
1893	* BSSID is matched, the same AP => Remove this PMKID information
1894	* and reset it.
1895	*/
1896	eth_zero_addr(addr: psecuritypriv->PMKIDList[index].Bssid);
1897	memset(psecuritypriv->PMKIDList[index].PMKID, 0x00, WLAN_PMKID_LEN);
1898	psecuritypriv->PMKIDList[index].bUsed = false;
1899	bMatched = true;
1900	break;
1901	}
1902	}
1903
1904	if (!bMatched)
1905	return -EINVAL;
1906
1907	return 0;
1908	}
1909
1910	static int cfg80211_rtw_flush_pmksa(struct wiphy *wiphy,
1911	struct net_device *ndev)
1912	{
1913	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
1914	struct security_priv *psecuritypriv = &padapter->securitypriv;
1915
1916	memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
1917	psecuritypriv->PMKIDIndex = 0;
1918
1919	return 0;
1920	}
1921
1922	void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame, uint frame_len)
1923	{
1924	struct net_device *ndev = padapter->pnetdev;
1925
1926	{
1927	struct station_info sinfo = {};
1928	u8 ie_offset;
1929
1930	if (GetFrameSubType(pmgmt_frame) == WIFI_ASSOCREQ)
1931	ie_offset = _ASOCREQ_IE_OFFSET_;
1932	else /* WIFI_REASSOCREQ */
1933	ie_offset = _REASOCREQ_IE_OFFSET_;
1934
1935	sinfo.filled = 0;
1936	sinfo.assoc_req_ies = pmgmt_frame + WLAN_HDR_A3_LEN + ie_offset;
1937	sinfo.assoc_req_ies_len = frame_len - WLAN_HDR_A3_LEN - ie_offset;
1938	cfg80211_new_sta(dev: ndev, GetAddr2Ptr(pmgmt_frame), sinfo: &sinfo, GFP_ATOMIC);
1939	}
1940	}
1941
1942	void rtw_cfg80211_indicate_sta_disassoc(struct adapter *padapter, unsigned char *da, unsigned short reason)
1943	{
1944	struct net_device *ndev = padapter->pnetdev;
1945
1946	cfg80211_del_sta(dev: ndev, mac_addr: da, GFP_ATOMIC);
1947	}
1948
1949	static u8 rtw_get_chan_type(struct adapter *adapter)
1950	{
1951	struct mlme_ext_priv *mlme_ext = &adapter->mlmeextpriv;
1952
1953	switch (mlme_ext->cur_bwmode) {
1954	case CHANNEL_WIDTH_20:
1955	if (is_supported_ht(adapter->registrypriv.wireless_mode))
1956	return NL80211_CHAN_HT20;
1957	else
1958	return NL80211_CHAN_NO_HT;
1959	case CHANNEL_WIDTH_40:
1960	if (mlme_ext->cur_ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
1961	return NL80211_CHAN_HT40PLUS;
1962	else
1963	return NL80211_CHAN_HT40MINUS;
1964	default:
1965	return NL80211_CHAN_HT20;
1966	}
1967
1968	return NL80211_CHAN_HT20;
1969	}
1970
1971	static int cfg80211_rtw_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
1972	unsigned int link_id,
1973	struct cfg80211_chan_def *chandef)
1974	{
1975	struct adapter *adapter = wiphy_to_adapter(wiphy);
1976	struct registry_priv *registrypriv = &adapter->registrypriv;
1977	enum nl80211_channel_type chan_type;
1978	struct ieee80211_channel *chan = NULL;
1979	int channel;
1980	int freq;
1981
1982	if (!adapter->rtw_wdev)
1983	return -ENODEV;
1984
1985	channel = rtw_get_oper_ch(adapter);
1986	if (!channel)
1987	return -ENODATA;
1988
1989	freq = rtw_ieee80211_channel_to_frequency(chan: channel, band: NL80211_BAND_2GHZ);
1990
1991	chan = ieee80211_get_channel(wiphy: adapter->rtw_wdev->wiphy, freq);
1992
1993	if (registrypriv->ht_enable) {
1994	chan_type = rtw_get_chan_type(adapter);
1995	cfg80211_chandef_create(chandef, channel: chan, chantype: chan_type);
1996	} else {
1997	cfg80211_chandef_create(chandef, channel: chan, chantype: NL80211_CHAN_NO_HT);
1998	}
1999
2000	return 0;
2001	}
2002
2003	static netdev_tx_t rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
2004	{
2005	int rtap_len;
2006	int qos_len = 0;
2007	int dot11_hdr_len = 24;
2008	int snap_len = 6;
2009	unsigned char *pdata;
2010	u16 frame_control;
2011	unsigned char src_mac_addr[6];
2012	unsigned char dst_mac_addr[6];
2013	struct ieee80211_hdr *dot11_hdr;
2014	struct ieee80211_radiotap_header *rtap_hdr;
2015	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
2016
2017	if (!skb)
2018	goto fail;
2019
2020	if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
2021	goto fail;
2022
2023	rtap_hdr = (struct ieee80211_radiotap_header *)skb->data;
2024	if (unlikely(rtap_hdr->it_version))
2025	goto fail;
2026
2027	rtap_len = ieee80211_get_radiotap_len(data: skb->data);
2028	if (unlikely(skb->len < rtap_len))
2029	goto fail;
2030
2031	if (rtap_len != 14)
2032	goto fail;
2033
2034	/* Skip the ratio tap header */
2035	skb_pull(skb, len: rtap_len);
2036
2037	dot11_hdr = (struct ieee80211_hdr *)skb->data;
2038	frame_control = le16_to_cpu(dot11_hdr->frame_control);
2039	/* Check if the QoS bit is set */
2040	if ((frame_control & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
2041	/* Check if this ia a Wireless Distribution System (WDS) frame
2042	* which has 4 MAC addresses
2043	*/
2044	if (frame_control & 0x0080)
2045	qos_len = 2;
2046	if ((frame_control & 0x0300) == 0x0300)
2047	dot11_hdr_len += 6;
2048
2049	memcpy(dst_mac_addr, dot11_hdr->addr1, sizeof(dst_mac_addr));
2050	memcpy(src_mac_addr, dot11_hdr->addr2, sizeof(src_mac_addr));
2051
2052	/* Skip the 802.11 header, QoS (if any) and SNAP, but leave spaces for
2053	* two MAC addresses
2054	*/
2055	skb_pull(skb, len: dot11_hdr_len + qos_len + snap_len - sizeof(src_mac_addr) * 2);
2056	pdata = (unsigned char *)skb->data;
2057	memcpy(pdata, dst_mac_addr, sizeof(dst_mac_addr));
2058	memcpy(pdata + sizeof(dst_mac_addr), src_mac_addr, sizeof(src_mac_addr));
2059
2060	/* Use the real net device to transmit the packet */
2061	_rtw_xmit_entry(pkt: skb, pnetdev: padapter->pnetdev);
2062	return NETDEV_TX_OK;
2063
2064	} else if ((frame_control & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
2065	(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION)) {
2066	/* only for action frames */
2067	struct xmit_frame *pmgntframe;
2068	struct pkt_attrib *pattrib;
2069	unsigned char *pframe;
2070	/* u8 category, action, OUI_Subtype, dialogToken = 0; */
2071	/* unsigned char *frame_body; */
2072	struct ieee80211_hdr *pwlanhdr;
2073	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2074	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2075	u8 *buf = skb->data;
2076	u32 len = skb->len;
2077	u8 category, action;
2078
2079	if (rtw_action_frame_parse(frame: buf, frame_len: len, category: &category, action: &action) == false)
2080	goto fail;
2081
2082	/* starting alloc mgmt frame to dump it */
2083	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2084	if (!pmgntframe)
2085	goto fail;
2086
2087	/* update attribute */
2088	pattrib = &pmgntframe->attrib;
2089	update_mgntframe_attrib(padapter, pattrib);
2090	pattrib->retry_ctrl = false;
2091
2092	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2093
2094	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2095
2096	memcpy(pframe, (void *)buf, len);
2097	pattrib->pktlen = len;
2098
2099	pwlanhdr = (struct ieee80211_hdr *)pframe;
2100	/* update seq number */
2101	pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2102	pattrib->seqnum = pmlmeext->mgnt_seq;
2103	pmlmeext->mgnt_seq++;
2104
2105	pattrib->last_txcmdsz = pattrib->pktlen;
2106
2107	dump_mgntframe(padapter, pmgntframe);
2108	}
2109
2110	fail:
2111
2112	dev_kfree_skb_any(skb);
2113
2114	return NETDEV_TX_OK;
2115	}
2116
2117	static const struct net_device_ops rtw_cfg80211_monitor_if_ops = {
2118	.ndo_start_xmit = rtw_cfg80211_monitor_if_xmit_entry,
2119	};
2120
2121	static int rtw_cfg80211_add_monitor_if(struct adapter *padapter, char *name, struct net_device **ndev)
2122	{
2123	int ret = 0;
2124	struct net_device *mon_ndev = NULL;
2125	struct wireless_dev *mon_wdev = NULL;
2126	struct rtw_netdev_priv_indicator *pnpi;
2127	struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
2128
2129	if (!name) {
2130	ret = -EINVAL;
2131	goto out;
2132	}
2133
2134	if (pwdev_priv->pmon_ndev) {
2135	ret = -EBUSY;
2136	goto out;
2137	}
2138
2139	mon_ndev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2140	if (!mon_ndev) {
2141	ret = -ENOMEM;
2142	goto out;
2143	}
2144
2145	mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP;
2146	strncpy(p: mon_ndev->name, q: name, IFNAMSIZ);
2147	mon_ndev->name[IFNAMSIZ - 1] = 0;
2148	mon_ndev->needs_free_netdev = true;
2149	mon_ndev->priv_destructor = rtw_ndev_destructor;
2150
2151	mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops;
2152
2153	pnpi = netdev_priv(dev: mon_ndev);
2154	pnpi->priv = padapter;
2155	pnpi->sizeof_priv = sizeof(struct adapter);
2156
2157	/* wdev */
2158	mon_wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2159	if (!mon_wdev) {
2160	ret = -ENOMEM;
2161	goto out;
2162	}
2163
2164	mon_wdev->wiphy = padapter->rtw_wdev->wiphy;
2165	mon_wdev->netdev = mon_ndev;
2166	mon_wdev->iftype = NL80211_IFTYPE_MONITOR;
2167	mon_ndev->ieee80211_ptr = mon_wdev;
2168
2169	ret = cfg80211_register_netdevice(dev: mon_ndev);
2170	if (ret)
2171	goto out;
2172
2173	*ndev = pwdev_priv->pmon_ndev = mon_ndev;
2174	memcpy(pwdev_priv->ifname_mon, name, IFNAMSIZ + 1);
2175
2176	out:
2177	if (ret && mon_wdev) {
2178	kfree(objp: mon_wdev);
2179	mon_wdev = NULL;
2180	}
2181
2182	if (ret && mon_ndev) {
2183	free_netdev(dev: mon_ndev);
2184	*ndev = mon_ndev = NULL;
2185	}
2186
2187	return ret;
2188	}
2189
2190	static struct wireless_dev *
2191	cfg80211_rtw_add_virtual_intf(
2192	struct wiphy *wiphy,
2193	const char *name,
2194	unsigned char name_assign_type,
2195	enum nl80211_iftype type, struct vif_params *params)
2196	{
2197	int ret = 0;
2198	struct net_device *ndev = NULL;
2199	struct adapter *padapter = wiphy_to_adapter(wiphy);
2200
2201	switch (type) {
2202	case NL80211_IFTYPE_ADHOC:
2203	case NL80211_IFTYPE_AP_VLAN:
2204	case NL80211_IFTYPE_WDS:
2205	case NL80211_IFTYPE_MESH_POINT:
2206	ret = -ENODEV;
2207	break;
2208	case NL80211_IFTYPE_MONITOR:
2209	ret = rtw_cfg80211_add_monitor_if(padapter, name: (char *)name, ndev: &ndev);
2210	break;
2211	case NL80211_IFTYPE_P2P_CLIENT:
2212	case NL80211_IFTYPE_STATION:
2213	ret = -ENODEV;
2214	break;
2215	case NL80211_IFTYPE_P2P_GO:
2216	case NL80211_IFTYPE_AP:
2217	ret = -ENODEV;
2218	break;
2219	default:
2220	ret = -ENODEV;
2221	break;
2222	}
2223
2224	return ndev ? ndev->ieee80211_ptr : ERR_PTR(error: ret);
2225	}
2226
2227	static int cfg80211_rtw_del_virtual_intf(struct wiphy *wiphy,
2228	struct wireless_dev *wdev
2229	)
2230	{
2231	struct net_device *ndev = wdev_to_ndev(wdev);
2232	int ret = 0;
2233	struct adapter *adapter;
2234	struct rtw_wdev_priv *pwdev_priv;
2235
2236	if (!ndev) {
2237	ret = -EINVAL;
2238	goto exit;
2239	}
2240
2241	adapter = rtw_netdev_priv(netdev: ndev);
2242	pwdev_priv = adapter_wdev_data(adapter);
2243
2244	cfg80211_unregister_netdevice(dev: ndev);
2245
2246	if (ndev == pwdev_priv->pmon_ndev) {
2247	pwdev_priv->pmon_ndev = NULL;
2248	pwdev_priv->ifname_mon[0] = '\0';
2249	}
2250
2251	exit:
2252	return ret;
2253	}
2254
2255	static int rtw_add_beacon(struct adapter *adapter, const u8 *head, size_t head_len, const u8 *tail, size_t tail_len)
2256	{
2257	int ret = 0;
2258	u8 *pbuf = NULL;
2259	uint len, wps_ielen = 0;
2260	struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
2261
2262	if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
2263	return -EINVAL;
2264
2265	if (head_len < 24)
2266	return -EINVAL;
2267
2268	pbuf = rtw_zmalloc(head_len + tail_len);
2269	if (!pbuf)
2270	return -ENOMEM;
2271
2272	memcpy(pbuf, (void *)head + 24, head_len - 24);/* 24 =beacon header len. */
2273	memcpy(pbuf + head_len - 24, (void *)tail, tail_len);
2274
2275	len = head_len + tail_len - 24;
2276
2277	/* check wps ie if inclued */
2278	rtw_get_wps_ie(in_ie: pbuf + _FIXED_IE_LENGTH_, in_len: len - _FIXED_IE_LENGTH_, NULL, wps_ielen: &wps_ielen);
2279
2280	/* pbss_network->ies will not include p2p_ie, wfd ie */
2281	rtw_ies_remove_ie(ies: pbuf, ies_len: &len, _BEACON_IE_OFFSET_, eid: WLAN_EID_VENDOR_SPECIFIC, oui: P2P_OUI, oui_len: 4);
2282	rtw_ies_remove_ie(ies: pbuf, ies_len: &len, _BEACON_IE_OFFSET_, eid: WLAN_EID_VENDOR_SPECIFIC, oui: WFD_OUI, oui_len: 4);
2283
2284	if (rtw_check_beacon_data(padapter: adapter, pbuf, len) == _SUCCESS)
2285	ret = 0;
2286	else
2287	ret = -EINVAL;
2288
2289	kfree(objp: pbuf);
2290
2291	return ret;
2292	}
2293
2294	static int cfg80211_rtw_start_ap(struct wiphy *wiphy, struct net_device *ndev,
2295	struct cfg80211_ap_settings *settings)
2296	{
2297	int ret = 0;
2298	struct adapter *adapter = rtw_netdev_priv(netdev: ndev);
2299
2300	ret = rtw_add_beacon(adapter, head: settings->beacon.head,
2301	head_len: settings->beacon.head_len, tail: settings->beacon.tail,
2302	tail_len: settings->beacon.tail_len);
2303
2304	adapter->mlmeextpriv.mlmext_info.hidden_ssid_mode = settings->hidden_ssid;
2305
2306	if (settings->ssid && settings->ssid_len) {
2307	struct wlan_bssid_ex *pbss_network = &adapter->mlmepriv.cur_network.network;
2308	struct wlan_bssid_ex *pbss_network_ext = &adapter->mlmeextpriv.mlmext_info.network;
2309
2310	memcpy(pbss_network->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
2311	pbss_network->ssid.ssid_length = settings->ssid_len;
2312	memcpy(pbss_network_ext->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
2313	pbss_network_ext->ssid.ssid_length = settings->ssid_len;
2314	}
2315
2316	return ret;
2317	}
2318
2319	static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
2320	struct cfg80211_ap_update *info)
2321	{
2322	struct adapter *adapter = rtw_netdev_priv(netdev: ndev);
2323
2324	return rtw_add_beacon(adapter, head: info->beacon.head,
2325	head_len: info->beacon.head_len, tail: info->beacon.tail,
2326	tail_len: info->beacon.tail_len);
2327	}
2328
2329	static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev,
2330	unsigned int link_id)
2331	{
2332	return 0;
2333	}
2334
2335	static int cfg80211_rtw_add_station(struct wiphy *wiphy,
2336	struct net_device *ndev,
2337	const u8 *mac,
2338	struct station_parameters *params)
2339	{
2340	return 0;
2341	}
2342
2343	static int cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev,
2344	struct station_del_parameters *params)
2345	{
2346	int ret = 0;
2347	struct list_head *phead, *plist, *tmp;
2348	u8 updated = false;
2349	struct sta_info *psta = NULL;
2350	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
2351	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2352	struct sta_priv *pstapriv = &padapter->stapriv;
2353	const u8 *mac = params->mac;
2354
2355	if (check_fwstate(pmlmepriv, state: (_FW_LINKED | WIFI_AP_STATE)) != true)
2356	return -EINVAL;
2357
2358	if (!mac) {
2359	flush_all_cam_entry(padapter); /* clear CAM */
2360
2361	rtw_sta_flush(padapter);
2362
2363	return 0;
2364	}
2365
2366	if (mac[0] == 0xff && mac[1] == 0xff &&
2367	mac[2] == 0xff && mac[3] == 0xff &&
2368	mac[4] == 0xff && mac[5] == 0xff) {
2369	return -EINVAL;
2370	}
2371
2372	spin_lock_bh(lock: &pstapriv->asoc_list_lock);
2373
2374	phead = &pstapriv->asoc_list;
2375	/* check asoc_queue */
2376	list_for_each_safe(plist, tmp, phead) {
2377	psta = list_entry(plist, struct sta_info, asoc_list);
2378
2379	if (!memcmp(p: (u8 *)mac, q: psta->hwaddr, ETH_ALEN)) {
2380	if (psta->dot8021xalg != 1 || psta->bpairwise_key_installed) {
2381	list_del_init(entry: &psta->asoc_list);
2382	pstapriv->asoc_list_cnt--;
2383
2384	updated = ap_free_sta(padapter, psta, active: true, reason: WLAN_REASON_DEAUTH_LEAVING);
2385
2386	psta = NULL;
2387
2388	break;
2389	}
2390	}
2391	}
2392
2393	spin_unlock_bh(lock: &pstapriv->asoc_list_lock);
2394
2395	associated_clients_update(padapter, updated);
2396
2397	return ret;
2398	}
2399
2400	static int cfg80211_rtw_change_station(struct wiphy *wiphy,
2401	struct net_device *ndev,
2402	const u8 *mac,
2403	struct station_parameters *params)
2404	{
2405	return 0;
2406	}
2407
2408	static struct sta_info *rtw_sta_info_get_by_idx(const int idx, struct sta_priv *pstapriv)
2409
2410	{
2411	struct list_head *phead, *plist;
2412	struct sta_info *psta = NULL;
2413	int i = 0;
2414
2415	phead = &pstapriv->asoc_list;
2416	plist = get_next(list: phead);
2417
2418	/* check asoc_queue */
2419	while (phead != plist) {
2420	if (idx == i)
2421	psta = container_of(plist, struct sta_info, asoc_list);
2422	plist = get_next(list: plist);
2423	i++;
2424	}
2425	return psta;
2426	}
2427
2428	static int cfg80211_rtw_dump_station(struct wiphy *wiphy,
2429	struct net_device *ndev,
2430	int idx, u8 *mac,
2431	struct station_info *sinfo)
2432	{
2433	int ret = 0;
2434	struct adapter *padapter = rtw_netdev_priv(netdev: ndev);
2435	struct sta_info *psta = NULL;
2436	struct sta_priv *pstapriv = &padapter->stapriv;
2437
2438	spin_lock_bh(lock: &pstapriv->asoc_list_lock);
2439	psta = rtw_sta_info_get_by_idx(idx, pstapriv);
2440	spin_unlock_bh(lock: &pstapriv->asoc_list_lock);
2441	if (psta == NULL) {
2442	ret = -ENOENT;
2443	goto exit;
2444	}
2445	memcpy(mac, psta->hwaddr, ETH_ALEN);
2446	sinfo->filled = BIT_ULL(NL80211_STA_INFO_SIGNAL);
2447	sinfo->signal = psta->rssi;
2448
2449	exit:
2450	return ret;
2451	}
2452
2453	static int cfg80211_rtw_change_bss(struct wiphy *wiphy,
2454	struct net_device *ndev,
2455	struct bss_parameters *params)
2456	{
2457	return 0;
2458	}
2459
2460	void rtw_cfg80211_rx_action(struct adapter *adapter, u8 *frame, uint frame_len, const char *msg)
2461	{
2462	s32 freq;
2463	int channel;
2464	u8 category, action;
2465
2466	channel = rtw_get_oper_ch(adapter);
2467
2468	rtw_action_frame_parse(frame, frame_len, category: &category, action: &action);
2469
2470	freq = rtw_ieee80211_channel_to_frequency(chan: channel, band: NL80211_BAND_2GHZ);
2471
2472	rtw_cfg80211_rx_mgmt(adapter, freq, 0, frame, frame_len, GFP_ATOMIC);
2473	}
2474
2475	static int _cfg80211_rtw_mgmt_tx(struct adapter *padapter, u8 tx_ch, const u8 *buf, size_t len)
2476	{
2477	struct xmit_frame *pmgntframe;
2478	struct pkt_attrib *pattrib;
2479	unsigned char *pframe;
2480	int ret = _FAIL;
2481	bool __maybe_unused ack = true;
2482	struct ieee80211_hdr *pwlanhdr;
2483	struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2484	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2485
2486	rtw_set_scan_deny(adapter: padapter, ms: 1000);
2487
2488	rtw_scan_abort(adapter: padapter);
2489	if (tx_ch != rtw_get_oper_ch(adapter: padapter)) {
2490	if (!check_fwstate(pmlmepriv: &padapter->mlmepriv, _FW_LINKED))
2491	pmlmeext->cur_channel = tx_ch;
2492	set_channel_bwmode(padapter, channel: tx_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, bwmode: CHANNEL_WIDTH_20);
2493	}
2494
2495	/* starting alloc mgmt frame to dump it */
2496	pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2497	if (!pmgntframe) {
2498	/* ret = -ENOMEM; */
2499	ret = _FAIL;
2500	goto exit;
2501	}
2502
2503	/* update attribute */
2504	pattrib = &pmgntframe->attrib;
2505	update_mgntframe_attrib(padapter, pattrib);
2506	pattrib->retry_ctrl = false;
2507
2508	memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2509
2510	pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2511
2512	memcpy(pframe, (void *)buf, len);
2513	pattrib->pktlen = len;
2514
2515	pwlanhdr = (struct ieee80211_hdr *)pframe;
2516	/* update seq number */
2517	pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2518	pattrib->seqnum = pmlmeext->mgnt_seq;
2519	pmlmeext->mgnt_seq++;
2520
2521	pattrib->last_txcmdsz = pattrib->pktlen;
2522
2523	if (dump_mgntframe_and_wait_ack(padapter, pmgntframe) != _SUCCESS) {
2524	ack = false;
2525	ret = _FAIL;
2526
2527	} else {
2528	msleep(msecs: 50);
2529
2530	ret = _SUCCESS;
2531	}
2532
2533	exit:
2534
2535	return ret;
2536	}
2537
2538	static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2539	struct cfg80211_mgmt_tx_params *params,
2540	u64 *cookie)
2541	{
2542	struct net_device *ndev = wdev_to_ndev(wdev);
2543	struct ieee80211_channel *chan = params->chan;
2544	const u8 *buf = params->buf;
2545	size_t len = params->len;
2546	int ret = 0;
2547	int tx_ret;
2548	u32 dump_limit = RTW_MAX_MGMT_TX_CNT;
2549	u32 dump_cnt = 0;
2550	bool ack = true;
2551	u8 tx_ch = (u8)ieee80211_frequency_to_channel(freq: chan->center_freq);
2552	u8 category, action;
2553	int type = (-1);
2554	struct adapter *padapter;
2555	struct rtw_wdev_priv *pwdev_priv;
2556
2557	if (!ndev) {
2558	ret = -EINVAL;
2559	goto exit;
2560	}
2561
2562	padapter = rtw_netdev_priv(netdev: ndev);
2563	pwdev_priv = adapter_wdev_data(padapter);
2564
2565	/* cookie generation */
2566	*cookie = (unsigned long)buf;
2567
2568	/* indicate ack before issue frame to avoid racing with rsp frame */
2569	rtw_cfg80211_mgmt_tx_status(padapter, *cookie, buf, len, ack, GFP_KERNEL);
2570
2571	if (rtw_action_frame_parse(frame: buf, frame_len: len, category: &category, action: &action) == false)
2572	goto exit;
2573
2574	rtw_ps_deny(padapter, reason: PS_DENY_MGNT_TX);
2575	if (rtw_pwr_wakeup(padapter) == _FAIL) {
2576	ret = -EFAULT;
2577	goto cancel_ps_deny;
2578	}
2579
2580	do {
2581	dump_cnt++;
2582	tx_ret = _cfg80211_rtw_mgmt_tx(padapter, tx_ch, buf, len);
2583	} while (dump_cnt < dump_limit && tx_ret != _SUCCESS);
2584
2585	switch (type) {
2586	case P2P_GO_NEGO_CONF:
2587	rtw_clear_scan_deny(adapter: padapter);
2588	break;
2589	case P2P_INVIT_RESP:
2590	if (pwdev_priv->invit_info.flags & BIT(0) && pwdev_priv->invit_info.status == 0) {
2591	rtw_set_scan_deny(adapter: padapter, ms: 5000);
2592	rtw_pwr_wakeup_ex(padapter, 5000);
2593	rtw_clear_scan_deny(adapter: padapter);
2594	}
2595	break;
2596	}
2597
2598	cancel_ps_deny:
2599	rtw_ps_deny_cancel(padapter, reason: PS_DENY_MGNT_TX);
2600	exit:
2601	return ret;
2602	}
2603
2604	static void rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap *ht_cap, enum nl80211_band band)
2605	{
2606	#define MAX_BIT_RATE_40MHZ_MCS15 300 /* Mbps */
2607	#define MAX_BIT_RATE_40MHZ_MCS7 150 /* Mbps */
2608
2609	ht_cap->ht_supported = true;
2610
2611	ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2612	IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20 |
2613	IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
2614
2615	/*
2616	*Maximum length of AMPDU that the STA can receive.
2617	*Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
2618	*/
2619	ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2620
2621	/*Minimum MPDU start spacing , */
2622	ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
2623
2624	ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2625
2626	/*
2627	*hw->wiphy->bands[NL80211_BAND_2GHZ]
2628	*base on ant_num
2629	*rx_mask: RX mask
2630	*if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
2631	*if rx_ant =2 rx_mask[1]= 0xff;==>MCS8-MCS15
2632	*if rx_ant >=3 rx_mask[2]= 0xff;
2633	*if BW_40 rx_mask[4]= 0x01;
2634	*highest supported RX rate
2635	*/
2636	ht_cap->mcs.rx_mask[0] = 0xFF;
2637	ht_cap->mcs.rx_mask[1] = 0x00;
2638	ht_cap->mcs.rx_mask[4] = 0x01;
2639
2640	ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
2641	}
2642
2643	void rtw_cfg80211_init_wiphy(struct adapter *padapter)
2644	{
2645	struct ieee80211_supported_band *bands;
2646	struct wireless_dev *pwdev = padapter->rtw_wdev;
2647	struct wiphy *wiphy = pwdev->wiphy;
2648
2649	{
2650	bands = wiphy->bands[NL80211_BAND_2GHZ];
2651	if (bands)
2652	rtw_cfg80211_init_ht_capab(ht_cap: &bands->ht_cap, band: NL80211_BAND_2GHZ);
2653	}
2654
2655	/* copy mac_addr to wiphy */
2656	memcpy(wiphy->perm_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
2657	}
2658
2659	static void rtw_cfg80211_preinit_wiphy(struct adapter *padapter, struct wiphy *wiphy)
2660	{
2661	wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2662
2663	wiphy->max_scan_ssids = RTW_SSID_SCAN_AMOUNT;
2664	wiphy->max_scan_ie_len = RTW_SCAN_IE_LEN_MAX;
2665	wiphy->max_num_pmkids = RTW_MAX_NUM_PMKIDS;
2666
2667	wiphy->max_remain_on_channel_duration = RTW_MAX_REMAIN_ON_CHANNEL_DURATION;
2668
2669	wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2670	| BIT(NL80211_IFTYPE_ADHOC)
2671	| BIT(NL80211_IFTYPE_AP)
2672	| BIT(NL80211_IFTYPE_MONITOR)
2673	;
2674
2675	wiphy->mgmt_stypes = rtw_cfg80211_default_mgmt_stypes;
2676
2677	wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
2678
2679	wiphy->cipher_suites = rtw_cipher_suites;
2680	wiphy->n_cipher_suites = ARRAY_SIZE(rtw_cipher_suites);
2681
2682	/* if (padapter->registrypriv.wireless_mode & WIRELESS_11G) */
2683	wiphy->bands[NL80211_BAND_2GHZ] = rtw_spt_band_alloc(band: NL80211_BAND_2GHZ);
2684
2685	wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2686	wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAVE_AP_SME;
2687
2688	#if defined(CONFIG_PM)
2689	wiphy->max_sched_scan_reqs = 1;
2690	#endif
2691
2692	#if defined(CONFIG_PM)
2693	wiphy->wowlan = &wowlan_stub;
2694	#endif
2695
2696	if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2697	wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
2698	else
2699	wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
2700	}
2701
2702	static struct cfg80211_ops rtw_cfg80211_ops = {
2703	.change_virtual_intf = cfg80211_rtw_change_iface,
2704	.add_key = cfg80211_rtw_add_key,
2705	.get_key = cfg80211_rtw_get_key,
2706	.del_key = cfg80211_rtw_del_key,
2707	.set_default_key = cfg80211_rtw_set_default_key,
2708	.get_station = cfg80211_rtw_get_station,
2709	.scan = cfg80211_rtw_scan,
2710	.set_wiphy_params = cfg80211_rtw_set_wiphy_params,
2711	.connect = cfg80211_rtw_connect,
2712	.disconnect = cfg80211_rtw_disconnect,
2713	.join_ibss = cfg80211_rtw_join_ibss,
2714	.leave_ibss = cfg80211_rtw_leave_ibss,
2715	.set_tx_power = cfg80211_rtw_set_txpower,
2716	.get_tx_power = cfg80211_rtw_get_txpower,
2717	.set_power_mgmt = cfg80211_rtw_set_power_mgmt,
2718	.set_pmksa = cfg80211_rtw_set_pmksa,
2719	.del_pmksa = cfg80211_rtw_del_pmksa,
2720	.flush_pmksa = cfg80211_rtw_flush_pmksa,
2721	.get_channel = cfg80211_rtw_get_channel,
2722	.add_virtual_intf = cfg80211_rtw_add_virtual_intf,
2723	.del_virtual_intf = cfg80211_rtw_del_virtual_intf,
2724
2725	.start_ap = cfg80211_rtw_start_ap,
2726	.change_beacon = cfg80211_rtw_change_beacon,
2727	.stop_ap = cfg80211_rtw_stop_ap,
2728
2729	.add_station = cfg80211_rtw_add_station,
2730	.del_station = cfg80211_rtw_del_station,
2731	.change_station = cfg80211_rtw_change_station,
2732	.dump_station = cfg80211_rtw_dump_station,
2733	.change_bss = cfg80211_rtw_change_bss,
2734
2735	.mgmt_tx = cfg80211_rtw_mgmt_tx,
2736	};
2737
2738	int rtw_wdev_alloc(struct adapter *padapter, struct device *dev)
2739	{
2740	int ret = 0;
2741	struct wiphy *wiphy;
2742	struct wireless_dev *wdev;
2743	struct rtw_wdev_priv *pwdev_priv;
2744	struct net_device *pnetdev = padapter->pnetdev;
2745
2746	/* wiphy */
2747	wiphy = wiphy_new(ops: &rtw_cfg80211_ops, sizeof_priv: sizeof(struct adapter *));
2748	if (!wiphy) {
2749	ret = -ENOMEM;
2750	goto exit;
2751	}
2752	set_wiphy_dev(wiphy, dev);
2753	*((struct adapter **)wiphy_priv(wiphy)) = padapter;
2754	rtw_cfg80211_preinit_wiphy(padapter, wiphy);
2755
2756	/* init regulary domain */
2757	rtw_regd_init(wiphy, reg_notifier: rtw_reg_notifier);
2758
2759	ret = wiphy_register(wiphy);
2760	if (ret < 0)
2761	goto free_wiphy;
2762
2763	/* wdev */
2764	wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2765	if (!wdev) {
2766	ret = -ENOMEM;
2767	goto unregister_wiphy;
2768	}
2769	wdev->wiphy = wiphy;
2770	wdev->netdev = pnetdev;
2771
2772	wdev->iftype = NL80211_IFTYPE_STATION; /* will be init in rtw_hal_init() */
2773	/* Must sync with _rtw_init_mlme_priv() */
2774	/* pmlmepriv->fw_state = WIFI_STATION_STATE */
2775	padapter->rtw_wdev = wdev;
2776	pnetdev->ieee80211_ptr = wdev;
2777
2778	/* init pwdev_priv */
2779	pwdev_priv = adapter_wdev_data(padapter);
2780	pwdev_priv->rtw_wdev = wdev;
2781	pwdev_priv->pmon_ndev = NULL;
2782	pwdev_priv->ifname_mon[0] = '\0';
2783	pwdev_priv->padapter = padapter;
2784	pwdev_priv->scan_request = NULL;
2785	spin_lock_init(&pwdev_priv->scan_req_lock);
2786
2787	pwdev_priv->p2p_enabled = false;
2788	pwdev_priv->provdisc_req_issued = false;
2789	rtw_wdev_invit_info_init(&pwdev_priv->invit_info);
2790	rtw_wdev_nego_info_init(&pwdev_priv->nego_info);
2791
2792	pwdev_priv->bandroid_scan = false;
2793
2794	if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2795	pwdev_priv->power_mgmt = true;
2796	else
2797	pwdev_priv->power_mgmt = false;
2798
2799	return ret;
2800
2801	unregister_wiphy:
2802	wiphy_unregister(wiphy);
2803	free_wiphy:
2804	wiphy_free(wiphy);
2805	exit:
2806	return ret;
2807	}
2808
2809	void rtw_wdev_free(struct wireless_dev *wdev)
2810	{
2811	if (!wdev)
2812	return;
2813
2814	kfree(objp: wdev->wiphy->bands[NL80211_BAND_2GHZ]);
2815
2816	wiphy_free(wiphy: wdev->wiphy);
2817
2818	kfree(objp: wdev);
2819	}
2820
2821	void rtw_wdev_unregister(struct wireless_dev *wdev)
2822	{
2823	struct net_device *ndev;
2824	struct adapter *adapter;
2825	struct rtw_wdev_priv *pwdev_priv;
2826
2827	if (!wdev)
2828	return;
2829	ndev = wdev_to_ndev(wdev);
2830	if (!ndev)
2831	return;
2832
2833	adapter = rtw_netdev_priv(netdev: ndev);
2834	pwdev_priv = adapter_wdev_data(adapter);
2835
2836	rtw_cfg80211_indicate_scan_done(adapter, aborted: true);
2837
2838	if (pwdev_priv->pmon_ndev)
2839	unregister_netdev(dev: pwdev_priv->pmon_ndev);
2840
2841	wiphy_unregister(wiphy: wdev->wiphy);
2842	}
2843