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