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