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