1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7
8 #include <linux/etherdevice.h>
9 #include <drv_types.h>
10 #include <rtw_debug.h>
11 #include <linux/jiffies.h>
12
13 #include <rtw_wifi_regd.h>
14
15 #define RTW_MAX_MGMT_TX_CNT (8)
16
17 #define RTW_SCAN_IE_LEN_MAX 2304
18 #define RTW_MAX_REMAIN_ON_CHANNEL_DURATION 5000 /* ms */
19 #define RTW_MAX_NUM_PMKIDS 4
20
21 static const u32 rtw_cipher_suites[] = {
22 WLAN_CIPHER_SUITE_WEP40,
23 WLAN_CIPHER_SUITE_WEP104,
24 WLAN_CIPHER_SUITE_TKIP,
25 WLAN_CIPHER_SUITE_CCMP,
26 WLAN_CIPHER_SUITE_AES_CMAC,
27 };
28
29 #define RATETAB_ENT(_rate, _rateid, _flags) \
30 { \
31 .bitrate = (_rate), \
32 .hw_value = (_rateid), \
33 .flags = (_flags), \
34 }
35
36 #define CHAN2G(_channel, _freq, _flags) { \
37 .band = NL80211_BAND_2GHZ, \
38 .center_freq = (_freq), \
39 .hw_value = (_channel), \
40 .flags = (_flags), \
41 .max_antenna_gain = 0, \
42 .max_power = 30, \
43 }
44
45 /* if wowlan is not supported, kernel generate a disconnect at each suspend
46 * cf: /net/wireless/sysfs.c, so register a stub wowlan.
47 * Moreover wowlan has to be enabled via a the nl80211_set_wowlan callback.
48 * (from user space, e.g. iw phy0 wowlan enable)
49 */
50 static __maybe_unused const struct wiphy_wowlan_support wowlan_stub = {
51 .flags = WIPHY_WOWLAN_ANY,
52 .n_patterns = 0,
53 .pattern_max_len = 0,
54 .pattern_min_len = 0,
55 .max_pkt_offset = 0,
56 };
57
58 static struct ieee80211_rate rtw_rates[] = {
59 RATETAB_ENT(10, 0x1, 0),
60 RATETAB_ENT(20, 0x2, 0),
61 RATETAB_ENT(55, 0x4, 0),
62 RATETAB_ENT(110, 0x8, 0),
63 RATETAB_ENT(60, 0x10, 0),
64 RATETAB_ENT(90, 0x20, 0),
65 RATETAB_ENT(120, 0x40, 0),
66 RATETAB_ENT(180, 0x80, 0),
67 RATETAB_ENT(240, 0x100, 0),
68 RATETAB_ENT(360, 0x200, 0),
69 RATETAB_ENT(480, 0x400, 0),
70 RATETAB_ENT(540, 0x800, 0),
71 };
72
73 #define rtw_g_rates (rtw_rates + 0)
74 #define RTW_G_RATES_NUM 12
75
76 #define RTW_2G_CHANNELS_NUM 14
77
78 static struct ieee80211_channel rtw_2ghz_channels[] = {
79 CHAN2G(1, 2412, 0),
80 CHAN2G(2, 2417, 0),
81 CHAN2G(3, 2422, 0),
82 CHAN2G(4, 2427, 0),
83 CHAN2G(5, 2432, 0),
84 CHAN2G(6, 2437, 0),
85 CHAN2G(7, 2442, 0),
86 CHAN2G(8, 2447, 0),
87 CHAN2G(9, 2452, 0),
88 CHAN2G(10, 2457, 0),
89 CHAN2G(11, 2462, 0),
90 CHAN2G(12, 2467, 0),
91 CHAN2G(13, 2472, 0),
92 CHAN2G(14, 2484, 0),
93 };
94
rtw_2g_channels_init(struct ieee80211_channel * channels)95 static void rtw_2g_channels_init(struct ieee80211_channel *channels)
96 {
97 memcpy((void *)channels, (void *)rtw_2ghz_channels,
98 sizeof(struct ieee80211_channel)*RTW_2G_CHANNELS_NUM
99 );
100 }
101
rtw_2g_rates_init(struct ieee80211_rate * rates)102 static void rtw_2g_rates_init(struct ieee80211_rate *rates)
103 {
104 memcpy(rates, rtw_g_rates,
105 sizeof(struct ieee80211_rate)*RTW_G_RATES_NUM
106 );
107 }
108
rtw_spt_band_alloc(enum nl80211_band band)109 static struct ieee80211_supported_band *rtw_spt_band_alloc(
110 enum nl80211_band band
111 )
112 {
113 struct ieee80211_supported_band *spt_band = NULL;
114 int n_channels, n_bitrates;
115
116 if (band == NL80211_BAND_2GHZ) {
117 n_channels = RTW_2G_CHANNELS_NUM;
118 n_bitrates = RTW_G_RATES_NUM;
119 } else {
120 goto exit;
121 }
122
123 spt_band = rtw_zmalloc(sizeof(struct ieee80211_supported_band) +
124 sizeof(struct ieee80211_channel) * n_channels +
125 sizeof(struct ieee80211_rate) * n_bitrates);
126 if (!spt_band)
127 goto exit;
128
129 spt_band->channels = (struct ieee80211_channel *)(((u8 *)spt_band)+sizeof(struct ieee80211_supported_band));
130 spt_band->bitrates = (struct ieee80211_rate *)(((u8 *)spt_band->channels)+sizeof(struct ieee80211_channel)*n_channels);
131 spt_band->band = band;
132 spt_band->n_channels = n_channels;
133 spt_band->n_bitrates = n_bitrates;
134
135 if (band == NL80211_BAND_2GHZ) {
136 rtw_2g_channels_init(spt_band->channels);
137 rtw_2g_rates_init(spt_band->bitrates);
138 }
139
140 /* spt_band.ht_cap */
141
142 exit:
143
144 return spt_band;
145 }
146
147 static const struct ieee80211_txrx_stypes
148 rtw_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
149 [NL80211_IFTYPE_ADHOC] = {
150 .tx = 0xffff,
151 .rx = BIT(IEEE80211_STYPE_ACTION >> 4)
152 },
153 [NL80211_IFTYPE_STATION] = {
154 .tx = 0xffff,
155 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
156 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
157 },
158 [NL80211_IFTYPE_AP] = {
159 .tx = 0xffff,
160 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
161 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
162 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
163 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
164 BIT(IEEE80211_STYPE_AUTH >> 4) |
165 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
166 BIT(IEEE80211_STYPE_ACTION >> 4)
167 },
168 [NL80211_IFTYPE_AP_VLAN] = {
169 /* copy AP */
170 .tx = 0xffff,
171 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
172 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
173 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
174 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
175 BIT(IEEE80211_STYPE_AUTH >> 4) |
176 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
177 BIT(IEEE80211_STYPE_ACTION >> 4)
178 },
179 [NL80211_IFTYPE_P2P_CLIENT] = {
180 .tx = 0xffff,
181 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
182 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
183 },
184 [NL80211_IFTYPE_P2P_GO] = {
185 .tx = 0xffff,
186 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
187 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
188 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
189 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
190 BIT(IEEE80211_STYPE_AUTH >> 4) |
191 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
192 BIT(IEEE80211_STYPE_ACTION >> 4)
193 },
194 };
195
rtw_ieee80211_channel_to_frequency(int chan,int band)196 static int rtw_ieee80211_channel_to_frequency(int chan, int band)
197 {
198 if (band == NL80211_BAND_2GHZ) {
199 if (chan == 14)
200 return 2484;
201 else if (chan < 14)
202 return 2407 + chan * 5;
203 }
204
205 return 0; /* not supported */
206 }
207
208 #define MAX_BSSINFO_LEN 1000
rtw_cfg80211_inform_bss(struct adapter * padapter,struct wlan_network * pnetwork)209 struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wlan_network *pnetwork)
210 {
211 struct ieee80211_channel *notify_channel;
212 struct cfg80211_bss *bss = NULL;
213 /* struct ieee80211_supported_band *band; */
214 u16 channel;
215 u32 freq;
216 u64 notify_timestamp;
217 s32 notify_signal;
218 u8 *buf = NULL, *pbuf;
219 size_t len, bssinf_len = 0;
220 struct ieee80211_hdr *pwlanhdr;
221 __le16 *fctrl;
222
223 struct wireless_dev *wdev = padapter->rtw_wdev;
224 struct wiphy *wiphy = wdev->wiphy;
225 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
226
227 bssinf_len = pnetwork->network.ie_length + sizeof(struct ieee80211_hdr_3addr);
228 if (bssinf_len > MAX_BSSINFO_LEN)
229 goto exit;
230
231 {
232 u16 wapi_len = 0;
233
234 if (rtw_get_wapi_ie(pnetwork->network.ies, pnetwork->network.ie_length, NULL, &wapi_len) > 0) {
235 if (wapi_len > 0)
236 goto exit;
237 }
238 }
239
240 /* To reduce PBC Overlap rate */
241 /* spin_lock_bh(&pwdev_priv->scan_req_lock); */
242 if (adapter_wdev_data(padapter)->scan_request) {
243 u8 *psr = NULL, sr = 0;
244 struct ndis_802_11_ssid *pssid = &pnetwork->network.ssid;
245 struct cfg80211_scan_request *request = adapter_wdev_data(padapter)->scan_request;
246 struct cfg80211_ssid *ssids = request->ssids;
247 u32 wpsielen = 0;
248 u8 *wpsie = NULL;
249
250 wpsie = rtw_get_wps_ie(pnetwork->network.ies+_FIXED_IE_LENGTH_, pnetwork->network.ie_length-_FIXED_IE_LENGTH_, NULL, &wpsielen);
251
252 if (wpsie && wpsielen > 0)
253 psr = rtw_get_wps_attr_content(wpsie, wpsielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);
254
255 if (sr != 0) {
256 /* it means under processing WPS */
257 if (request->n_ssids == 1 && request->n_channels == 1) {
258 if (ssids[0].ssid_len != 0 &&
259 (pssid->ssid_length != ssids[0].ssid_len ||
260 memcmp(pssid->ssid, ssids[0].ssid, ssids[0].ssid_len))) {
261 if (psr)
262 *psr = 0; /* clear sr */
263 }
264 }
265 }
266 }
267 /* spin_unlock_bh(&pwdev_priv->scan_req_lock); */
268
269
270 channel = pnetwork->network.configuration.ds_config;
271 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
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
309 pbuf += sizeof(struct ieee80211_hdr_3addr);
310 len = sizeof(struct ieee80211_hdr_3addr);
311
312 memcpy(pbuf, pnetwork->network.ies, pnetwork->network.ie_length);
313 len += pnetwork->network.ie_length;
314
315 *((__le64 *)pbuf) = cpu_to_le64(notify_timestamp);
316
317 bss = cfg80211_inform_bss_frame(wiphy, notify_channel, (struct ieee80211_mgmt *)buf,
318 len, notify_signal, GFP_ATOMIC);
319
320 if (unlikely(!bss))
321 goto exit;
322
323 cfg80211_put_bss(wiphy, bss);
324 kfree(buf);
325
326 exit:
327 return bss;
328
329 }
330
331 /*
332 Check the given bss is valid by kernel API cfg80211_get_bss()
333 @padapter : the given adapter
334
335 return true if bss is valid, false for not found.
336 */
rtw_cfg80211_check_bss(struct adapter * padapter)337 int rtw_cfg80211_check_bss(struct adapter *padapter)
338 {
339 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
340 struct cfg80211_bss *bss = NULL;
341 struct ieee80211_channel *notify_channel = NULL;
342 u32 freq;
343
344 if (!(pnetwork) || !(padapter->rtw_wdev))
345 return false;
346
347 freq = rtw_ieee80211_channel_to_frequency(pnetwork->configuration.ds_config, NL80211_BAND_2GHZ);
348
349 notify_channel = ieee80211_get_channel(padapter->rtw_wdev->wiphy, freq);
350 bss = cfg80211_get_bss(padapter->rtw_wdev->wiphy, notify_channel,
351 pnetwork->mac_address, pnetwork->ssid.ssid,
352 pnetwork->ssid.ssid_length,
353 WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
354
355 cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
356
357 return (bss != NULL);
358 }
359
rtw_cfg80211_ibss_indicate_connect(struct adapter * padapter)360 void rtw_cfg80211_ibss_indicate_connect(struct adapter *padapter)
361 {
362 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
363 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
364 struct wireless_dev *pwdev = padapter->rtw_wdev;
365 struct wiphy *wiphy = pwdev->wiphy;
366 int freq = (int)cur_network->network.configuration.ds_config;
367 struct ieee80211_channel *chan;
368
369 if (pwdev->iftype != NL80211_IFTYPE_ADHOC)
370 return;
371
372 if (!rtw_cfg80211_check_bss(padapter)) {
373 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
374 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
375
376 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
377
378 memcpy(&cur_network->network, pnetwork, sizeof(struct wlan_bssid_ex));
379 rtw_cfg80211_inform_bss(padapter, cur_network);
380 } else {
381 if (!scanned) {
382 rtw_warn_on(1);
383 return;
384 }
385 if (!memcmp(&(scanned->network.ssid), &(pnetwork->ssid), sizeof(struct ndis_802_11_ssid))
386 && !memcmp(scanned->network.mac_address, pnetwork->mac_address, sizeof(NDIS_802_11_MAC_ADDRESS))
387 )
388 rtw_cfg80211_inform_bss(padapter, scanned);
389 else
390 rtw_warn_on(1);
391 }
392
393 if (!rtw_cfg80211_check_bss(padapter))
394 netdev_dbg(padapter->pnetdev,
395 FUNC_ADPT_FMT " BSS not found !!\n",
396 FUNC_ADPT_ARG(padapter));
397 }
398 /* notify cfg80211 that device joined an IBSS */
399 chan = ieee80211_get_channel(wiphy, freq);
400 cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.mac_address, chan, GFP_ATOMIC);
401 }
402
rtw_cfg80211_indicate_connect(struct adapter * padapter)403 void rtw_cfg80211_indicate_connect(struct adapter *padapter)
404 {
405 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
406 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
407 struct wireless_dev *pwdev = padapter->rtw_wdev;
408
409 if (pwdev->iftype != NL80211_IFTYPE_STATION
410 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
411 ) {
412 return;
413 }
414
415 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
416 return;
417
418 {
419 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
420 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
421
422 if (!scanned) {
423 rtw_warn_on(1);
424 goto check_bss;
425 }
426
427 if (!memcmp(scanned->network.mac_address, pnetwork->mac_address, sizeof(NDIS_802_11_MAC_ADDRESS))
428 && !memcmp(&(scanned->network.ssid), &(pnetwork->ssid), sizeof(struct ndis_802_11_ssid))
429 )
430 rtw_cfg80211_inform_bss(padapter, scanned);
431 else
432 rtw_warn_on(1);
433 }
434
435 check_bss:
436 if (!rtw_cfg80211_check_bss(padapter))
437 netdev_dbg(padapter->pnetdev,
438 FUNC_ADPT_FMT " BSS not found !!\n",
439 FUNC_ADPT_ARG(padapter));
440
441 if (rtw_to_roam(padapter) > 0) {
442 struct wiphy *wiphy = pwdev->wiphy;
443 struct ieee80211_channel *notify_channel;
444 u32 freq;
445 u16 channel = cur_network->network.configuration.ds_config;
446 struct cfg80211_roam_info roam_info = {};
447
448 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
449
450 notify_channel = ieee80211_get_channel(wiphy, freq);
451
452 roam_info.links[0].channel = notify_channel;
453 roam_info.links[0].bssid = cur_network->network.mac_address;
454 roam_info.req_ie =
455 pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2;
456 roam_info.req_ie_len =
457 pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2;
458 roam_info.resp_ie =
459 pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6;
460 roam_info.resp_ie_len =
461 pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6;
462 cfg80211_roamed(padapter->pnetdev, &roam_info, GFP_ATOMIC);
463 } else {
464 cfg80211_connect_result(padapter->pnetdev, cur_network->network.mac_address
465 , pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2
466 , pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2
467 , pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6
468 , pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6
469 , WLAN_STATUS_SUCCESS, GFP_ATOMIC);
470 }
471 }
472
rtw_cfg80211_indicate_disconnect(struct adapter * padapter)473 void rtw_cfg80211_indicate_disconnect(struct adapter *padapter)
474 {
475 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
476 struct wireless_dev *pwdev = padapter->rtw_wdev;
477
478 if (pwdev->iftype != NL80211_IFTYPE_STATION
479 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
480 ) {
481 return;
482 }
483
484 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
485 return;
486
487 if (!padapter->mlmepriv.not_indic_disco) {
488 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
489 cfg80211_disconnected(padapter->pnetdev, 0,
490 NULL, 0, true, GFP_ATOMIC);
491 } else {
492 cfg80211_connect_result(padapter->pnetdev, NULL, NULL, 0, NULL, 0,
493 WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC/*GFP_KERNEL*/);
494 }
495 }
496 }
497
498
rtw_cfg80211_ap_set_encryption(struct net_device * dev,struct ieee_param * param,u32 param_len)499 static int rtw_cfg80211_ap_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
500 {
501 int ret = 0;
502 u32 wep_key_idx, wep_key_len;
503 struct sta_info *psta = NULL, *pbcmc_sta = NULL;
504 struct adapter *padapter = rtw_netdev_priv(dev);
505 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
506 struct security_priv *psecuritypriv = &(padapter->securitypriv);
507 struct sta_priv *pstapriv = &padapter->stapriv;
508 char *grpkey = padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey;
509 char *txkey = padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey;
510 char *rxkey = padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey;
511
512 param->u.crypt.err = 0;
513 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
514
515 if (param_len != sizeof(struct ieee_param) + param->u.crypt.key_len) {
516 ret = -EINVAL;
517 goto exit;
518 }
519
520 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
521 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
522 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
523 if (param->u.crypt.idx >= WEP_KEYS) {
524 ret = -EINVAL;
525 goto exit;
526 }
527 } else {
528 psta = rtw_get_stainfo(pstapriv, param->sta_addr);
529 if (!psta)
530 /* ret = -EINVAL; */
531 goto exit;
532 }
533
534 if (strcmp(param->u.crypt.alg, "none") == 0 && !psta)
535 goto exit;
536
537 if (strcmp(param->u.crypt.alg, "WEP") == 0 && !psta) {
538 wep_key_idx = param->u.crypt.idx;
539 wep_key_len = param->u.crypt.key_len;
540
541 if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0)) {
542 ret = -EINVAL;
543 goto exit;
544 }
545
546 if (wep_key_len > 0)
547 wep_key_len = wep_key_len <= 5 ? 5 : 13;
548
549 if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
550 /* wep default key has not been set, so use this key index as default key. */
551
552 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
553 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
554 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
555 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
556
557 if (wep_key_len == 13) {
558 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
559 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
560 }
561
562 psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
563 }
564
565 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
566
567 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
568
569 rtw_ap_set_wep_key(padapter, param->u.crypt.key, wep_key_len, wep_key_idx, 1);
570
571 goto exit;
572
573 }
574
575 /* group key */
576 if (!psta && check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
577 /* group key */
578 if (param->u.crypt.set_tx == 0) {
579 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
580 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
581
582 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
583 if (param->u.crypt.key_len == 13)
584 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
585
586 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
587 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
588
589 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
590
591 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
592 /* set mic key */
593 memcpy(txkey, &(param->u.crypt.key[16]), 8);
594 memcpy(rxkey, &(param->u.crypt.key[24]), 8);
595
596 psecuritypriv->busetkipkey = true;
597
598 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
599 psecuritypriv->dot118021XGrpPrivacy = _AES_;
600
601 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
602 } else {
603 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
604 }
605
606 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
607
608 psecuritypriv->binstallGrpkey = true;
609
610 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
611
612 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
613
614 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
615 if (pbcmc_sta) {
616 pbcmc_sta->ieee8021x_blocked = false;
617 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
618 }
619
620 }
621
622 goto exit;
623
624 }
625
626 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) { /* psk/802_1x */
627 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
628 if (param->u.crypt.set_tx == 1) { /* pairwise key */
629 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
630
631 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
632 psta->dot118021XPrivacy = _WEP40_;
633 if (param->u.crypt.key_len == 13)
634 psta->dot118021XPrivacy = _WEP104_;
635 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
636 psta->dot118021XPrivacy = _TKIP_;
637
638 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
639 /* set mic key */
640 memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
641 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
642
643 psecuritypriv->busetkipkey = true;
644
645 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
646
647 psta->dot118021XPrivacy = _AES_;
648 } else {
649 psta->dot118021XPrivacy = _NO_PRIVACY_;
650 }
651
652 rtw_ap_set_pairwise_key(padapter, psta);
653
654 psta->ieee8021x_blocked = false;
655
656 psta->bpairwise_key_installed = true;
657
658 } else { /* group key??? */
659 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
660 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
661
662 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
663 if (param->u.crypt.key_len == 13)
664 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
665 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
666 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
667
668 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
669
670 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
671 /* set mic key */
672 memcpy(txkey, &(param->u.crypt.key[16]), 8);
673 memcpy(rxkey, &(param->u.crypt.key[24]), 8);
674
675 psecuritypriv->busetkipkey = true;
676
677 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
678 psecuritypriv->dot118021XGrpPrivacy = _AES_;
679
680 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
681 } else {
682 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
683 }
684
685 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
686
687 psecuritypriv->binstallGrpkey = true;
688
689 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
690
691 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
692
693 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
694 if (pbcmc_sta) {
695 pbcmc_sta->ieee8021x_blocked = false;
696 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
697 }
698
699 }
700
701 }
702
703 }
704
705 exit:
706
707 return ret;
708
709 }
710
rtw_cfg80211_set_encryption(struct net_device * dev,struct ieee_param * param,u32 param_len)711 static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
712 {
713 int ret = 0;
714 u32 wep_key_idx, wep_key_len;
715 struct adapter *padapter = rtw_netdev_priv(dev);
716 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
717 struct security_priv *psecuritypriv = &padapter->securitypriv;
718
719 param->u.crypt.err = 0;
720 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
721
722 if (param_len < (u32) ((u8 *) param->u.crypt.key - (u8 *) param) + param->u.crypt.key_len) {
723 ret = -EINVAL;
724 goto exit;
725 }
726
727 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
728 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
729 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
730 if (param->u.crypt.idx >= WEP_KEYS
731 || param->u.crypt.idx >= BIP_MAX_KEYID) {
732 ret = -EINVAL;
733 goto exit;
734 }
735 } else {
736 {
737 ret = -EINVAL;
738 goto exit;
739 }
740 }
741
742 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
743 wep_key_idx = param->u.crypt.idx;
744 wep_key_len = param->u.crypt.key_len;
745
746 if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0)) {
747 ret = -EINVAL;
748 goto exit;
749 }
750
751 if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
752 /* wep default key has not been set, so use this key index as default key. */
753
754 wep_key_len = wep_key_len <= 5 ? 5 : 13;
755
756 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
757 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
758 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
759
760 if (wep_key_len == 13) {
761 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
762 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
763 }
764
765 psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
766 }
767
768 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
769
770 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
771
772 rtw_set_key(padapter, psecuritypriv, wep_key_idx, 0, true);
773
774 goto exit;
775 }
776
777 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { /* 802_1x */
778 struct sta_info *psta, *pbcmc_sta;
779 struct sta_priv *pstapriv = &padapter->stapriv;
780
781 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) { /* sta mode */
782 psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
783 if (psta) {
784 /* Jeff: don't disable ieee8021x_blocked while clearing key */
785 if (strcmp(param->u.crypt.alg, "none") != 0)
786 psta->ieee8021x_blocked = false;
787
788
789 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
790 (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled)) {
791 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
792 }
793
794 if (param->u.crypt.set_tx == 1) { /* pairwise key */
795
796 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
797
798 if (strcmp(param->u.crypt.alg, "TKIP") == 0) { /* set mic key */
799 /* DEBUG_ERR(("\nset key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
800 memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
801 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
802
803 padapter->securitypriv.busetkipkey = false;
804 /* _set_timer(&padapter->securitypriv.tkip_timer, 50); */
805 }
806
807 rtw_setstakey_cmd(padapter, psta, true, true);
808 } else { /* group key */
809 if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0) {
810 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));
811 memcpy(padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
812 memcpy(padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
813 padapter->securitypriv.binstallGrpkey = true;
814
815 padapter->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;
816 rtw_set_key(padapter, &padapter->securitypriv, param->u.crypt.idx, 1, true);
817 } else if (strcmp(param->u.crypt.alg, "BIP") == 0) {
818 /* save the IGTK key, length 16 bytes */
819 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));
820 /*
821 for (no = 0;no<16;no++)
822 printk(" %02x ", padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey[no]);
823 */
824 padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
825 padapter->securitypriv.binstallBIPkey = true;
826 }
827 }
828 }
829
830 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
831 if (!pbcmc_sta) {
832 /* DEBUG_ERR(("Set OID_802_11_ADD_KEY: bcmc stainfo is null\n")); */
833 } else {
834 /* Jeff: don't disable ieee8021x_blocked while clearing key */
835 if (strcmp(param->u.crypt.alg, "none") != 0)
836 pbcmc_sta->ieee8021x_blocked = false;
837
838 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
839 (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled)) {
840 pbcmc_sta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
841 }
842 }
843 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { /* adhoc mode */
844 }
845 }
846
847 exit:
848
849 return ret;
850 }
851
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)852 static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
853 int link_id, u8 key_index, bool pairwise,
854 const u8 *mac_addr, struct key_params *params)
855 {
856 char *alg_name;
857 u32 param_len;
858 struct ieee_param *param = NULL;
859 int ret = 0;
860 struct adapter *padapter = rtw_netdev_priv(ndev);
861 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
862
863 param_len = sizeof(struct ieee_param) + params->key_len;
864 param = rtw_malloc(param_len);
865 if (!param)
866 return -1;
867
868 memset(param, 0, param_len);
869
870 param->cmd = IEEE_CMD_SET_ENCRYPTION;
871 eth_broadcast_addr(param->sta_addr);
872
873 switch (params->cipher) {
874 case IW_AUTH_CIPHER_NONE:
875 /* todo: remove key */
876 /* remove = 1; */
877 alg_name = "none";
878 break;
879 case WLAN_CIPHER_SUITE_WEP40:
880 case WLAN_CIPHER_SUITE_WEP104:
881 alg_name = "WEP";
882 break;
883 case WLAN_CIPHER_SUITE_TKIP:
884 alg_name = "TKIP";
885 break;
886 case WLAN_CIPHER_SUITE_CCMP:
887 alg_name = "CCMP";
888 break;
889 case WLAN_CIPHER_SUITE_AES_CMAC:
890 alg_name = "BIP";
891 break;
892 default:
893 ret = -ENOTSUPP;
894 goto addkey_end;
895 }
896
897 strncpy((char *)param->u.crypt.alg, alg_name, IEEE_CRYPT_ALG_NAME_LEN);
898
899
900 if (!mac_addr || is_broadcast_ether_addr(mac_addr))
901 param->u.crypt.set_tx = 0; /* for wpa/wpa2 group key */
902 else
903 param->u.crypt.set_tx = 1; /* for wpa/wpa2 pairwise key */
904
905 param->u.crypt.idx = key_index;
906
907 if (params->seq_len && params->seq)
908 memcpy(param->u.crypt.seq, (u8 *)params->seq, params->seq_len);
909
910 if (params->key_len && params->key) {
911 param->u.crypt.key_len = params->key_len;
912 memcpy(param->u.crypt.key, (u8 *)params->key, params->key_len);
913 }
914
915 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
916 ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
917 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
918 if (mac_addr)
919 memcpy(param->sta_addr, (void *)mac_addr, ETH_ALEN);
920
921 ret = rtw_cfg80211_ap_set_encryption(ndev, param, param_len);
922 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true
923 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
924 ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
925 }
926
927 addkey_end:
928 kfree(param);
929
930 return ret;
931
932 }
933
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 *))934 static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev,
935 int link_id, u8 key_index, bool pairwise,
936 const u8 *mac_addr, void *cookie,
937 void (*callback)(void *cookie,
938 struct key_params*))
939 {
940 return 0;
941 }
942
cfg80211_rtw_del_key(struct wiphy * wiphy,struct net_device * ndev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr)943 static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
944 int link_id, u8 key_index, bool pairwise,
945 const u8 *mac_addr)
946 {
947 struct adapter *padapter = rtw_netdev_priv(ndev);
948 struct security_priv *psecuritypriv = &padapter->securitypriv;
949
950 if (key_index == psecuritypriv->dot11PrivacyKeyIndex) {
951 /* clear the flag of wep default key set. */
952 psecuritypriv->bWepDefaultKeyIdxSet = 0;
953 }
954
955 return 0;
956 }
957
cfg80211_rtw_set_default_key(struct wiphy * wiphy,struct net_device * ndev,int link_id,u8 key_index,bool unicast,bool multicast)958 static int cfg80211_rtw_set_default_key(struct wiphy *wiphy,
959 struct net_device *ndev, int link_id, u8 key_index
960 , bool unicast, bool multicast
961 )
962 {
963 struct adapter *padapter = rtw_netdev_priv(ndev);
964 struct security_priv *psecuritypriv = &padapter->securitypriv;
965
966 if ((key_index < WEP_KEYS) && ((psecuritypriv->dot11PrivacyAlgrthm == _WEP40_) || (psecuritypriv->dot11PrivacyAlgrthm == _WEP104_))) { /* set wep default key */
967 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
968
969 psecuritypriv->dot11PrivacyKeyIndex = key_index;
970
971 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
972 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
973 if (psecuritypriv->dot11DefKeylen[key_index] == 13) {
974 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
975 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
976 }
977
978 psecuritypriv->bWepDefaultKeyIdxSet = 1; /* set the flag to represent that wep default key has been set */
979 }
980
981 return 0;
982
983 }
984
cfg80211_rtw_get_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_info * sinfo)985 static int cfg80211_rtw_get_station(struct wiphy *wiphy,
986 struct net_device *ndev,
987 const u8 *mac,
988 struct station_info *sinfo)
989 {
990 int ret = 0;
991 struct adapter *padapter = rtw_netdev_priv(ndev);
992 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
993 struct sta_info *psta = NULL;
994 struct sta_priv *pstapriv = &padapter->stapriv;
995
996 sinfo->filled = 0;
997
998 if (!mac) {
999 ret = -ENOENT;
1000 goto exit;
1001 }
1002
1003 psta = rtw_get_stainfo(pstapriv, (u8 *)mac);
1004 if (!psta) {
1005 ret = -ENOENT;
1006 goto exit;
1007 }
1008
1009 /* for infra./P2PClient mode */
1010 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
1011 && check_fwstate(pmlmepriv, _FW_LINKED)) {
1012 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1013
1014 if (memcmp((u8 *)mac, cur_network->network.mac_address, ETH_ALEN)) {
1015 ret = -ENOENT;
1016 goto exit;
1017 }
1018
1019 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1020 sinfo->signal = translate_percentage_to_dbm(padapter->recvpriv.signal_strength);
1021
1022 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1023 sinfo->txrate.legacy = rtw_get_cur_max_rate(padapter);
1024
1025 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
1026 sinfo->rx_packets = sta_rx_data_pkts(psta);
1027
1028 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
1029 sinfo->tx_packets = psta->sta_stats.tx_pkts;
1030 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1031 }
1032
1033 /* for Ad-Hoc/AP mode */
1034 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)
1035 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)
1036 || check_fwstate(pmlmepriv, WIFI_AP_STATE))
1037 && check_fwstate(pmlmepriv, _FW_LINKED)) {
1038 /* TODO: should acquire station info... */
1039 }
1040
1041 exit:
1042 return ret;
1043 }
1044
cfg80211_rtw_change_iface(struct wiphy * wiphy,struct net_device * ndev,enum nl80211_iftype type,struct vif_params * params)1045 static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
1046 struct net_device *ndev,
1047 enum nl80211_iftype type,
1048 struct vif_params *params)
1049 {
1050 enum nl80211_iftype old_type;
1051 enum ndis_802_11_network_infrastructure networkType;
1052 struct adapter *padapter = rtw_netdev_priv(ndev);
1053 struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1054 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1055 int ret = 0;
1056
1057 if (adapter_to_dvobj(padapter)->processing_dev_remove == true) {
1058 ret = -EPERM;
1059 goto exit;
1060 }
1061
1062 {
1063 if (netdev_open(ndev) != 0) {
1064 ret = -EPERM;
1065 goto exit;
1066 }
1067 }
1068
1069 if (rtw_pwr_wakeup(padapter) == _FAIL) {
1070 ret = -EPERM;
1071 goto exit;
1072 }
1073
1074 old_type = rtw_wdev->iftype;
1075
1076 if (old_type != type) {
1077 pmlmeext->action_public_rxseq = 0xffff;
1078 pmlmeext->action_public_dialog_token = 0xff;
1079 }
1080
1081 switch (type) {
1082 case NL80211_IFTYPE_ADHOC:
1083 networkType = Ndis802_11IBSS;
1084 break;
1085 case NL80211_IFTYPE_STATION:
1086 networkType = Ndis802_11Infrastructure;
1087 break;
1088 case NL80211_IFTYPE_AP:
1089 networkType = Ndis802_11APMode;
1090 break;
1091 default:
1092 ret = -EOPNOTSUPP;
1093 goto exit;
1094 }
1095
1096 rtw_wdev->iftype = type;
1097
1098 if (rtw_set_802_11_infrastructure_mode(padapter, networkType) == false) {
1099 rtw_wdev->iftype = old_type;
1100 ret = -EPERM;
1101 goto exit;
1102 }
1103
1104 rtw_setopmode_cmd(padapter, networkType, true);
1105
1106 exit:
1107
1108 return ret;
1109 }
1110
rtw_cfg80211_indicate_scan_done(struct adapter * adapter,bool aborted)1111 void rtw_cfg80211_indicate_scan_done(struct adapter *adapter, bool aborted)
1112 {
1113 struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
1114 struct cfg80211_scan_info info = {
1115 .aborted = aborted
1116 };
1117
1118 spin_lock_bh(&pwdev_priv->scan_req_lock);
1119 if (pwdev_priv->scan_request) {
1120 /* avoid WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); */
1121 if (pwdev_priv->scan_request->wiphy == pwdev_priv->rtw_wdev->wiphy)
1122 cfg80211_scan_done(pwdev_priv->scan_request, &info);
1123
1124 pwdev_priv->scan_request = NULL;
1125 }
1126 spin_unlock_bh(&pwdev_priv->scan_req_lock);
1127 }
1128
rtw_cfg80211_unlink_bss(struct adapter * padapter,struct wlan_network * pnetwork)1129 void rtw_cfg80211_unlink_bss(struct adapter *padapter, struct wlan_network *pnetwork)
1130 {
1131 struct wireless_dev *pwdev = padapter->rtw_wdev;
1132 struct wiphy *wiphy = pwdev->wiphy;
1133 struct cfg80211_bss *bss = NULL;
1134 struct wlan_bssid_ex *select_network = &pnetwork->network;
1135
1136 bss = cfg80211_get_bss(wiphy, NULL/*notify_channel*/,
1137 select_network->mac_address, select_network->ssid.ssid,
1138 select_network->ssid.ssid_length, 0/*WLAN_CAPABILITY_ESS*/,
1139 0/*WLAN_CAPABILITY_ESS*/);
1140
1141 if (bss) {
1142 cfg80211_unlink_bss(wiphy, bss);
1143 cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
1144 }
1145 }
1146
rtw_cfg80211_surveydone_event_callback(struct adapter * padapter)1147 void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
1148 {
1149 struct list_head *plist, *phead;
1150 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1151 struct __queue *queue = &(pmlmepriv->scanned_queue);
1152 struct wlan_network *pnetwork = NULL;
1153
1154 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1155
1156 phead = get_list_head(queue);
1157 list_for_each(plist, phead)
1158 {
1159 pnetwork = list_entry(plist, struct wlan_network, list);
1160
1161 /* report network only if the current channel set contains the channel to which this network belongs */
1162 if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.configuration.ds_config) >= 0
1163 && true == rtw_validate_ssid(&(pnetwork->network.ssid))) {
1164 /* ev =translate_scan(padapter, a, pnetwork, ev, stop); */
1165 rtw_cfg80211_inform_bss(padapter, pnetwork);
1166 }
1167
1168 }
1169
1170 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1171 }
1172
rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter * padapter,char * buf,int len)1173 static int rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter *padapter, char *buf, int len)
1174 {
1175 int ret = 0;
1176 uint wps_ielen = 0;
1177 u8 *wps_ie;
1178 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1179
1180 if (len > 0) {
1181 wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen);
1182 if (wps_ie) {
1183 if (pmlmepriv->wps_probe_req_ie) {
1184 pmlmepriv->wps_probe_req_ie_len = 0;
1185 kfree(pmlmepriv->wps_probe_req_ie);
1186 pmlmepriv->wps_probe_req_ie = NULL;
1187 }
1188
1189 pmlmepriv->wps_probe_req_ie = rtw_malloc(wps_ielen);
1190 if (!pmlmepriv->wps_probe_req_ie)
1191 return -EINVAL;
1192
1193 memcpy(pmlmepriv->wps_probe_req_ie, wps_ie, wps_ielen);
1194 pmlmepriv->wps_probe_req_ie_len = wps_ielen;
1195 }
1196 }
1197
1198 return ret;
1199
1200 }
1201
cfg80211_rtw_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)1202 static int cfg80211_rtw_scan(struct wiphy *wiphy
1203 , struct cfg80211_scan_request *request)
1204 {
1205 struct net_device *ndev = wdev_to_ndev(request->wdev);
1206 int i;
1207 u8 _status = false;
1208 int ret = 0;
1209 struct ndis_802_11_ssid *ssid = NULL;
1210 struct rtw_ieee80211_channel ch[RTW_CHANNEL_SCAN_AMOUNT];
1211 u8 survey_times = 3;
1212 u8 survey_times_for_one_ch = 6;
1213 struct cfg80211_ssid *ssids = request->ssids;
1214 int j = 0;
1215 bool need_indicate_scan_done = false;
1216
1217 struct adapter *padapter;
1218 struct rtw_wdev_priv *pwdev_priv;
1219 struct mlme_priv *pmlmepriv;
1220
1221 if (!ndev) {
1222 ret = -EINVAL;
1223 goto exit;
1224 }
1225
1226 padapter = rtw_netdev_priv(ndev);
1227 pwdev_priv = adapter_wdev_data(padapter);
1228 pmlmepriv = &padapter->mlmepriv;
1229 /* endif */
1230
1231 spin_lock_bh(&pwdev_priv->scan_req_lock);
1232 pwdev_priv->scan_request = request;
1233 spin_unlock_bh(&pwdev_priv->scan_req_lock);
1234
1235 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
1236 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS|_FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true) {
1237 need_indicate_scan_done = true;
1238 goto check_need_indicate_scan_done;
1239 }
1240 }
1241
1242 rtw_ps_deny(padapter, PS_DENY_SCAN);
1243 if (rtw_pwr_wakeup(padapter) == _FAIL) {
1244 need_indicate_scan_done = true;
1245 goto check_need_indicate_scan_done;
1246 }
1247
1248 if (request->ie && request->ie_len > 0)
1249 rtw_cfg80211_set_probe_req_wpsp2pie(padapter, (u8 *)request->ie, request->ie_len);
1250
1251 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
1252 need_indicate_scan_done = true;
1253 goto check_need_indicate_scan_done;
1254 } else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1255 ret = -EBUSY;
1256 goto check_need_indicate_scan_done;
1257 }
1258
1259 if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true) {
1260 static unsigned long lastscantime;
1261 unsigned long passtime;
1262
1263 passtime = jiffies_to_msecs(jiffies - lastscantime);
1264 lastscantime = jiffies;
1265 if (passtime > 12000) {
1266 need_indicate_scan_done = true;
1267 goto check_need_indicate_scan_done;
1268 }
1269 }
1270
1271 if (rtw_is_scan_deny(padapter)) {
1272 need_indicate_scan_done = true;
1273 goto check_need_indicate_scan_done;
1274 }
1275
1276 ssid = kzalloc(RTW_SSID_SCAN_AMOUNT * sizeof(struct ndis_802_11_ssid),
1277 GFP_KERNEL);
1278 if (!ssid) {
1279 ret = -ENOMEM;
1280 goto check_need_indicate_scan_done;
1281 }
1282
1283 /* parsing request ssids, n_ssids */
1284 for (i = 0; i < request->n_ssids && i < RTW_SSID_SCAN_AMOUNT; i++) {
1285 memcpy(ssid[i].ssid, ssids[i].ssid, ssids[i].ssid_len);
1286 ssid[i].ssid_length = ssids[i].ssid_len;
1287 }
1288
1289 /* parsing channels, n_channels */
1290 memset(ch, 0, sizeof(struct rtw_ieee80211_channel)*RTW_CHANNEL_SCAN_AMOUNT);
1291 for (i = 0; i < request->n_channels && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
1292 ch[i].hw_value = request->channels[i]->hw_value;
1293 ch[i].flags = request->channels[i]->flags;
1294 }
1295
1296 spin_lock_bh(&pmlmepriv->lock);
1297 if (request->n_channels == 1) {
1298 for (i = 1; i < survey_times_for_one_ch; i++)
1299 memcpy(&ch[i], &ch[0], sizeof(struct rtw_ieee80211_channel));
1300 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times_for_one_ch);
1301 } else if (request->n_channels <= 4) {
1302 for (j = request->n_channels - 1; j >= 0; j--)
1303 for (i = 0; i < survey_times; i++)
1304 memcpy(&ch[j*survey_times+i], &ch[j], sizeof(struct rtw_ieee80211_channel));
1305 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times * request->n_channels);
1306 } else {
1307 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, NULL, 0);
1308 }
1309 spin_unlock_bh(&pmlmepriv->lock);
1310
1311
1312 if (_status == false)
1313 ret = -1;
1314
1315 check_need_indicate_scan_done:
1316 kfree(ssid);
1317 if (need_indicate_scan_done) {
1318 rtw_cfg80211_surveydone_event_callback(padapter);
1319 rtw_cfg80211_indicate_scan_done(padapter, false);
1320 }
1321
1322 rtw_ps_deny_cancel(padapter, PS_DENY_SCAN);
1323
1324 exit:
1325 return ret;
1326
1327 }
1328
cfg80211_rtw_set_wiphy_params(struct wiphy * wiphy,u32 changed)1329 static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1330 {
1331 return 0;
1332 }
1333
rtw_cfg80211_set_wpa_version(struct security_priv * psecuritypriv,u32 wpa_version)1334 static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
1335 {
1336 if (!wpa_version) {
1337 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1338 return 0;
1339 }
1340
1341
1342 if (wpa_version & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1343 psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPAPSK;
1344
1345 return 0;
1346
1347 }
1348
rtw_cfg80211_set_auth_type(struct security_priv * psecuritypriv,enum nl80211_auth_type sme_auth_type)1349 static int rtw_cfg80211_set_auth_type(struct security_priv *psecuritypriv,
1350 enum nl80211_auth_type sme_auth_type)
1351 {
1352 switch (sme_auth_type) {
1353 case NL80211_AUTHTYPE_AUTOMATIC:
1354
1355 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
1356
1357 break;
1358 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1359
1360 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1361
1362 if (psecuritypriv->ndisauthtype > Ndis802_11AuthModeWPA)
1363 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1364
1365 break;
1366 case NL80211_AUTHTYPE_SHARED_KEY:
1367
1368 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;
1369
1370 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
1371
1372
1373 break;
1374 default:
1375 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1376 /* return -ENOTSUPP; */
1377 }
1378
1379 return 0;
1380
1381 }
1382
rtw_cfg80211_set_cipher(struct security_priv * psecuritypriv,u32 cipher,bool ucast)1383 static int rtw_cfg80211_set_cipher(struct security_priv *psecuritypriv, u32 cipher, bool ucast)
1384 {
1385 u32 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1386
1387 u32 *profile_cipher = ucast ? &psecuritypriv->dot11PrivacyAlgrthm :
1388 &psecuritypriv->dot118021XGrpPrivacy;
1389
1390
1391 if (!cipher) {
1392 *profile_cipher = _NO_PRIVACY_;
1393 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1394 return 0;
1395 }
1396
1397 switch (cipher) {
1398 case IW_AUTH_CIPHER_NONE:
1399 *profile_cipher = _NO_PRIVACY_;
1400 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1401 break;
1402 case WLAN_CIPHER_SUITE_WEP40:
1403 *profile_cipher = _WEP40_;
1404 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1405 break;
1406 case WLAN_CIPHER_SUITE_WEP104:
1407 *profile_cipher = _WEP104_;
1408 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1409 break;
1410 case WLAN_CIPHER_SUITE_TKIP:
1411 *profile_cipher = _TKIP_;
1412 ndisencryptstatus = Ndis802_11Encryption2Enabled;
1413 break;
1414 case WLAN_CIPHER_SUITE_CCMP:
1415 *profile_cipher = _AES_;
1416 ndisencryptstatus = Ndis802_11Encryption3Enabled;
1417 break;
1418 default:
1419 return -ENOTSUPP;
1420 }
1421
1422 if (ucast) {
1423 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1424
1425 /* if (psecuritypriv->dot11PrivacyAlgrthm >= _AES_) */
1426 /* psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPA2PSK; */
1427 }
1428
1429 return 0;
1430 }
1431
rtw_cfg80211_set_key_mgt(struct security_priv * psecuritypriv,u32 key_mgt)1432 static int rtw_cfg80211_set_key_mgt(struct security_priv *psecuritypriv, u32 key_mgt)
1433 {
1434 if (key_mgt == WLAN_AKM_SUITE_8021X)
1435 /* auth_type = UMAC_AUTH_TYPE_8021X; */
1436 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1437 else if (key_mgt == WLAN_AKM_SUITE_PSK) {
1438 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1439 }
1440
1441 return 0;
1442 }
1443
rtw_cfg80211_set_wpa_ie(struct adapter * padapter,u8 * pie,size_t ielen)1444 static int rtw_cfg80211_set_wpa_ie(struct adapter *padapter, u8 *pie, size_t ielen)
1445 {
1446 u8 *buf = NULL;
1447 int group_cipher = 0, pairwise_cipher = 0;
1448 int ret = 0;
1449 int wpa_ielen = 0;
1450 int wpa2_ielen = 0;
1451 u8 *pwpa, *pwpa2;
1452 u8 null_addr[] = {0, 0, 0, 0, 0, 0};
1453
1454 if (!pie || !ielen) {
1455 /* Treat this as normal case, but need to clear WIFI_UNDER_WPS */
1456 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1457 goto exit;
1458 }
1459
1460 if (ielen > MAX_WPA_IE_LEN+MAX_WPS_IE_LEN+MAX_P2P_IE_LEN) {
1461 ret = -EINVAL;
1462 goto exit;
1463 }
1464
1465 buf = rtw_zmalloc(ielen);
1466 if (!buf) {
1467 ret = -ENOMEM;
1468 goto exit;
1469 }
1470
1471 memcpy(buf, pie, ielen);
1472
1473 if (ielen < RSN_HEADER_LEN) {
1474 ret = -1;
1475 goto exit;
1476 }
1477
1478 pwpa = rtw_get_wpa_ie(buf, &wpa_ielen, ielen);
1479 if (pwpa && wpa_ielen > 0) {
1480 if (rtw_parse_wpa_ie(pwpa, wpa_ielen+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1481 padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1482 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
1483 memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen+2);
1484 }
1485 }
1486
1487 pwpa2 = rtw_get_wpa2_ie(buf, &wpa2_ielen, ielen);
1488 if (pwpa2 && wpa2_ielen > 0) {
1489 if (rtw_parse_wpa2_ie(pwpa2, wpa2_ielen+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1490 padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1491 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
1492 memcpy(padapter->securitypriv.supplicant_ie, &pwpa2[0], wpa2_ielen+2);
1493 }
1494 }
1495
1496 if (group_cipher == 0)
1497 group_cipher = WPA_CIPHER_NONE;
1498
1499 if (pairwise_cipher == 0)
1500 pairwise_cipher = WPA_CIPHER_NONE;
1501
1502 switch (group_cipher) {
1503 case WPA_CIPHER_NONE:
1504 padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
1505 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1506 break;
1507 case WPA_CIPHER_WEP40:
1508 padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
1509 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1510 break;
1511 case WPA_CIPHER_TKIP:
1512 padapter->securitypriv.dot118021XGrpPrivacy = _TKIP_;
1513 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1514 break;
1515 case WPA_CIPHER_CCMP:
1516 padapter->securitypriv.dot118021XGrpPrivacy = _AES_;
1517 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1518 break;
1519 case WPA_CIPHER_WEP104:
1520 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1521 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1522 break;
1523 }
1524
1525 switch (pairwise_cipher) {
1526 case WPA_CIPHER_NONE:
1527 padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
1528 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1529 break;
1530 case WPA_CIPHER_WEP40:
1531 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
1532 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1533 break;
1534 case WPA_CIPHER_TKIP:
1535 padapter->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
1536 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1537 break;
1538 case WPA_CIPHER_CCMP:
1539 padapter->securitypriv.dot11PrivacyAlgrthm = _AES_;
1540 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1541 break;
1542 case WPA_CIPHER_WEP104:
1543 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1544 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1545 break;
1546 }
1547
1548 {/* handle wps_ie */
1549 uint wps_ielen;
1550 u8 *wps_ie;
1551
1552 wps_ie = rtw_get_wps_ie(buf, ielen, NULL, &wps_ielen);
1553 if (wps_ie && wps_ielen > 0) {
1554 padapter->securitypriv.wps_ie_len = wps_ielen < MAX_WPS_IE_LEN ? wps_ielen : MAX_WPS_IE_LEN;
1555 memcpy(padapter->securitypriv.wps_ie, wps_ie, padapter->securitypriv.wps_ie_len);
1556 set_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS);
1557 } else {
1558 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1559 }
1560 }
1561
1562 /* TKIP and AES disallow multicast packets until installing group key */
1563 if (padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_
1564 || padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
1565 || padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
1566 /* WPS open need to enable multicast */
1567 /* check_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS) == true) */
1568 rtw_hal_set_hwreg(padapter, HW_VAR_OFF_RCR_AM, null_addr);
1569
1570 exit:
1571 kfree(buf);
1572 if (ret)
1573 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1574 return ret;
1575 }
1576
cfg80211_rtw_join_ibss(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ibss_params * params)1577 static int cfg80211_rtw_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1578 struct cfg80211_ibss_params *params)
1579 {
1580 struct adapter *padapter = rtw_netdev_priv(ndev);
1581 struct ndis_802_11_ssid ndis_ssid;
1582 struct security_priv *psecuritypriv = &padapter->securitypriv;
1583 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1584 int ret = 0;
1585
1586 if (rtw_pwr_wakeup(padapter) == _FAIL) {
1587 ret = -EPERM;
1588 goto exit;
1589 }
1590
1591 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1592 ret = -EPERM;
1593 goto exit;
1594 }
1595
1596 if (!params->ssid || !params->ssid_len) {
1597 ret = -EINVAL;
1598 goto exit;
1599 }
1600
1601 if (params->ssid_len > IW_ESSID_MAX_SIZE) {
1602
1603 ret = -E2BIG;
1604 goto exit;
1605 }
1606
1607 memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1608 ndis_ssid.ssid_length = params->ssid_len;
1609 memcpy(ndis_ssid.ssid, (u8 *)params->ssid, params->ssid_len);
1610
1611 psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1612 psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1613 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1614 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1615 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1616
1617 ret = rtw_cfg80211_set_auth_type(psecuritypriv, NL80211_AUTHTYPE_OPEN_SYSTEM);
1618 rtw_set_802_11_authentication_mode(padapter, psecuritypriv->ndisauthtype);
1619
1620 if (rtw_set_802_11_ssid(padapter, &ndis_ssid) == false) {
1621 ret = -1;
1622 goto exit;
1623 }
1624
1625 exit:
1626 return ret;
1627 }
1628
cfg80211_rtw_leave_ibss(struct wiphy * wiphy,struct net_device * ndev)1629 static int cfg80211_rtw_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1630 {
1631 struct adapter *padapter = rtw_netdev_priv(ndev);
1632 struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1633 enum nl80211_iftype old_type;
1634 int ret = 0;
1635
1636 old_type = rtw_wdev->iftype;
1637
1638 rtw_set_to_roam(padapter, 0);
1639
1640 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
1641 rtw_scan_abort(padapter);
1642 LeaveAllPowerSaveMode(padapter);
1643
1644 rtw_wdev->iftype = NL80211_IFTYPE_STATION;
1645
1646 if (rtw_set_802_11_infrastructure_mode(padapter, Ndis802_11Infrastructure) == false) {
1647 rtw_wdev->iftype = old_type;
1648 ret = -EPERM;
1649 goto leave_ibss;
1650 }
1651 rtw_setopmode_cmd(padapter, Ndis802_11Infrastructure, true);
1652 }
1653
1654 leave_ibss:
1655 return ret;
1656 }
1657
cfg80211_rtw_connect(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_connect_params * sme)1658 static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev,
1659 struct cfg80211_connect_params *sme)
1660 {
1661 int ret = 0;
1662 enum ndis_802_11_authentication_mode authmode;
1663 struct ndis_802_11_ssid ndis_ssid;
1664 struct adapter *padapter = rtw_netdev_priv(ndev);
1665 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1666 struct security_priv *psecuritypriv = &padapter->securitypriv;
1667
1668 padapter->mlmepriv.not_indic_disco = true;
1669
1670
1671 if (adapter_wdev_data(padapter)->block == true) {
1672 ret = -EBUSY;
1673 goto exit;
1674 }
1675
1676 rtw_ps_deny(padapter, PS_DENY_JOIN);
1677 if (rtw_pwr_wakeup(padapter) == _FAIL) {
1678 ret = -EPERM;
1679 goto exit;
1680 }
1681
1682 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1683 ret = -EPERM;
1684 goto exit;
1685 }
1686
1687 if (!sme->ssid || !sme->ssid_len) {
1688 ret = -EINVAL;
1689 goto exit;
1690 }
1691
1692 if (sme->ssid_len > IW_ESSID_MAX_SIZE) {
1693
1694 ret = -E2BIG;
1695 goto exit;
1696 }
1697
1698 memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1699 ndis_ssid.ssid_length = sme->ssid_len;
1700 memcpy(ndis_ssid.ssid, (u8 *)sme->ssid, sme->ssid_len);
1701
1702 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1703 ret = -EBUSY;
1704 goto exit;
1705 }
1706 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true)
1707 rtw_scan_abort(padapter);
1708
1709 psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1710 psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1711 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1712 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1713 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1714
1715 ret = rtw_cfg80211_set_wpa_version(psecuritypriv, sme->crypto.wpa_versions);
1716 if (ret < 0)
1717 goto exit;
1718
1719 ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme->auth_type);
1720
1721 if (ret < 0)
1722 goto exit;
1723
1724 ret = rtw_cfg80211_set_wpa_ie(padapter, (u8 *)sme->ie, sme->ie_len);
1725 if (ret < 0)
1726 goto exit;
1727
1728 if (sme->crypto.n_ciphers_pairwise) {
1729 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.ciphers_pairwise[0], true);
1730 if (ret < 0)
1731 goto exit;
1732 }
1733
1734 /* For WEP Shared auth */
1735 if ((psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Shared ||
1736 psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Auto) && sme->key) {
1737 u32 wep_key_idx, wep_key_len, wep_total_len;
1738 struct ndis_802_11_wep *pwep = NULL;
1739
1740 wep_key_idx = sme->key_idx;
1741 wep_key_len = sme->key_len;
1742
1743 if (sme->key_idx > WEP_KEYS) {
1744 ret = -EINVAL;
1745 goto exit;
1746 }
1747
1748 if (wep_key_len > 0) {
1749 wep_key_len = wep_key_len <= 5 ? 5 : 13;
1750 wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, key_material);
1751 pwep = rtw_malloc(wep_total_len);
1752 if (!pwep) {
1753 ret = -ENOMEM;
1754 goto exit;
1755 }
1756
1757 memset(pwep, 0, wep_total_len);
1758
1759 pwep->key_length = wep_key_len;
1760 pwep->length = wep_total_len;
1761
1762 if (wep_key_len == 13) {
1763 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1764 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1765 }
1766 } else {
1767 ret = -EINVAL;
1768 goto exit;
1769 }
1770
1771 pwep->key_index = wep_key_idx;
1772 pwep->key_index |= 0x80000000;
1773
1774 memcpy(pwep->key_material, (void *)sme->key, pwep->key_length);
1775
1776 if (rtw_set_802_11_add_wep(padapter, pwep) == (u8)_FAIL)
1777 ret = -EOPNOTSUPP;
1778
1779 kfree(pwep);
1780
1781 if (ret < 0)
1782 goto exit;
1783 }
1784
1785 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.cipher_group, false);
1786 if (ret < 0)
1787 return ret;
1788
1789 if (sme->crypto.n_akm_suites) {
1790 ret = rtw_cfg80211_set_key_mgt(psecuritypriv, sme->crypto.akm_suites[0]);
1791 if (ret < 0)
1792 goto exit;
1793 }
1794
1795 authmode = psecuritypriv->ndisauthtype;
1796 rtw_set_802_11_authentication_mode(padapter, authmode);
1797
1798 /* rtw_set_802_11_encryption_mode(padapter, padapter->securitypriv.ndisencryptstatus); */
1799
1800 if (rtw_set_802_11_connect(padapter, (u8 *)sme->bssid, &ndis_ssid) == false) {
1801 ret = -1;
1802 goto exit;
1803 }
1804
1805 exit:
1806
1807 rtw_ps_deny_cancel(padapter, PS_DENY_JOIN);
1808
1809 padapter->mlmepriv.not_indic_disco = false;
1810
1811 return ret;
1812 }
1813
cfg80211_rtw_disconnect(struct wiphy * wiphy,struct net_device * ndev,u16 reason_code)1814 static int cfg80211_rtw_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1815 u16 reason_code)
1816 {
1817 struct adapter *padapter = rtw_netdev_priv(ndev);
1818
1819 rtw_set_to_roam(padapter, 0);
1820
1821 rtw_scan_abort(padapter);
1822 LeaveAllPowerSaveMode(padapter);
1823 rtw_disassoc_cmd(padapter, 500, false);
1824
1825 rtw_indicate_disconnect(padapter);
1826
1827 rtw_free_assoc_resources(padapter, 1);
1828 rtw_pwr_wakeup(padapter);
1829
1830 return 0;
1831 }
1832
cfg80211_rtw_set_txpower(struct wiphy * wiphy,struct wireless_dev * wdev,enum nl80211_tx_power_setting type,int mbm)1833 static int cfg80211_rtw_set_txpower(struct wiphy *wiphy,
1834 struct wireless_dev *wdev,
1835 enum nl80211_tx_power_setting type, int mbm)
1836 {
1837 return 0;
1838 }
1839
cfg80211_rtw_get_txpower(struct wiphy * wiphy,struct wireless_dev * wdev,int * dbm)1840 static int cfg80211_rtw_get_txpower(struct wiphy *wiphy,
1841 struct wireless_dev *wdev,
1842 int *dbm)
1843 {
1844 *dbm = (12);
1845
1846 return 0;
1847 }
1848
rtw_cfg80211_pwr_mgmt(struct adapter * adapter)1849 inline bool rtw_cfg80211_pwr_mgmt(struct adapter *adapter)
1850 {
1851 struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(adapter);
1852
1853 return rtw_wdev_priv->power_mgmt;
1854 }
1855
cfg80211_rtw_set_power_mgmt(struct wiphy * wiphy,struct net_device * ndev,bool enabled,int timeout)1856 static int cfg80211_rtw_set_power_mgmt(struct wiphy *wiphy,
1857 struct net_device *ndev,
1858 bool enabled, int timeout)
1859 {
1860 struct adapter *padapter = rtw_netdev_priv(ndev);
1861 struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(padapter);
1862
1863 rtw_wdev_priv->power_mgmt = enabled;
1864
1865 if (!enabled)
1866 LPS_Leave(padapter, "CFG80211_PWRMGMT");
1867
1868 return 0;
1869 }
1870
cfg80211_rtw_set_pmksa(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_pmksa * pmksa)1871 static int cfg80211_rtw_set_pmksa(struct wiphy *wiphy,
1872 struct net_device *ndev,
1873 struct cfg80211_pmksa *pmksa)
1874 {
1875 u8 index, blInserted = false;
1876 struct adapter *padapter = rtw_netdev_priv(ndev);
1877 struct security_priv *psecuritypriv = &padapter->securitypriv;
1878 u8 strZeroMacAddress[ETH_ALEN] = { 0x00 };
1879
1880 if (!memcmp((u8 *)pmksa->bssid, strZeroMacAddress, ETH_ALEN))
1881 return -EINVAL;
1882
1883 blInserted = false;
1884
1885 /* overwrite PMKID */
1886 for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
1887 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
1888
1889 memcpy(psecuritypriv->PMKIDList[index].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
1890 psecuritypriv->PMKIDList[index].bUsed = true;
1891 psecuritypriv->PMKIDIndex = index+1;
1892 blInserted = true;
1893 break;
1894 }
1895 }
1896
1897 if (!blInserted) {
1898
1899 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].Bssid, (u8 *)pmksa->bssid, ETH_ALEN);
1900 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
1901
1902 psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].bUsed = true;
1903 psecuritypriv->PMKIDIndex++;
1904 if (psecuritypriv->PMKIDIndex == 16)
1905 psecuritypriv->PMKIDIndex = 0;
1906 }
1907
1908 return 0;
1909 }
1910
cfg80211_rtw_del_pmksa(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_pmksa * pmksa)1911 static int cfg80211_rtw_del_pmksa(struct wiphy *wiphy,
1912 struct net_device *ndev,
1913 struct cfg80211_pmksa *pmksa)
1914 {
1915 u8 index, bMatched = false;
1916 struct adapter *padapter = rtw_netdev_priv(ndev);
1917 struct security_priv *psecuritypriv = &padapter->securitypriv;
1918
1919 for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
1920 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
1921 /*
1922 * BSSID is matched, the same AP => Remove this PMKID information
1923 * and reset it.
1924 */
1925 eth_zero_addr(psecuritypriv->PMKIDList[index].Bssid);
1926 memset(psecuritypriv->PMKIDList[index].PMKID, 0x00, WLAN_PMKID_LEN);
1927 psecuritypriv->PMKIDList[index].bUsed = false;
1928 bMatched = true;
1929 break;
1930 }
1931 }
1932
1933 if (!bMatched)
1934 return -EINVAL;
1935
1936 return 0;
1937 }
1938
cfg80211_rtw_flush_pmksa(struct wiphy * wiphy,struct net_device * ndev)1939 static int cfg80211_rtw_flush_pmksa(struct wiphy *wiphy,
1940 struct net_device *ndev)
1941 {
1942 struct adapter *padapter = rtw_netdev_priv(ndev);
1943 struct security_priv *psecuritypriv = &padapter->securitypriv;
1944
1945 memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
1946 psecuritypriv->PMKIDIndex = 0;
1947
1948 return 0;
1949 }
1950
rtw_cfg80211_indicate_sta_assoc(struct adapter * padapter,u8 * pmgmt_frame,uint frame_len)1951 void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame, uint frame_len)
1952 {
1953 struct net_device *ndev = padapter->pnetdev;
1954
1955 {
1956 struct station_info sinfo = {};
1957 u8 ie_offset;
1958
1959 if (GetFrameSubType(pmgmt_frame) == WIFI_ASSOCREQ)
1960 ie_offset = _ASOCREQ_IE_OFFSET_;
1961 else /* WIFI_REASSOCREQ */
1962 ie_offset = _REASOCREQ_IE_OFFSET_;
1963
1964 sinfo.filled = 0;
1965 sinfo.assoc_req_ies = pmgmt_frame + WLAN_HDR_A3_LEN + ie_offset;
1966 sinfo.assoc_req_ies_len = frame_len - WLAN_HDR_A3_LEN - ie_offset;
1967 cfg80211_new_sta(ndev, GetAddr2Ptr(pmgmt_frame), &sinfo, GFP_ATOMIC);
1968 }
1969 }
1970
rtw_cfg80211_indicate_sta_disassoc(struct adapter * padapter,unsigned char * da,unsigned short reason)1971 void rtw_cfg80211_indicate_sta_disassoc(struct adapter *padapter, unsigned char *da, unsigned short reason)
1972 {
1973 struct net_device *ndev = padapter->pnetdev;
1974
1975 cfg80211_del_sta(ndev, da, GFP_ATOMIC);
1976 }
1977
rtw_get_chan_type(struct adapter * adapter)1978 static u8 rtw_get_chan_type(struct adapter *adapter)
1979 {
1980 struct mlme_ext_priv *mlme_ext = &adapter->mlmeextpriv;
1981
1982 switch (mlme_ext->cur_bwmode) {
1983 case CHANNEL_WIDTH_20:
1984 if (is_supported_ht(adapter->registrypriv.wireless_mode))
1985 return NL80211_CHAN_HT20;
1986 else
1987 return NL80211_CHAN_NO_HT;
1988 case CHANNEL_WIDTH_40:
1989 if (mlme_ext->cur_ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
1990 return NL80211_CHAN_HT40PLUS;
1991 else
1992 return NL80211_CHAN_HT40MINUS;
1993 default:
1994 return NL80211_CHAN_HT20;
1995 }
1996
1997 return NL80211_CHAN_HT20;
1998 }
1999
cfg80211_rtw_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id,struct cfg80211_chan_def * chandef)2000 static int cfg80211_rtw_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
2001 unsigned int link_id,
2002 struct cfg80211_chan_def *chandef)
2003 {
2004 struct adapter *adapter = wiphy_to_adapter(wiphy);
2005 struct registry_priv *registrypriv = &adapter->registrypriv;
2006 enum nl80211_channel_type chan_type;
2007 struct ieee80211_channel *chan = NULL;
2008 int channel;
2009 int freq;
2010
2011 if (!adapter->rtw_wdev)
2012 return -ENODEV;
2013
2014 channel = rtw_get_oper_ch(adapter);
2015 if (!channel)
2016 return -ENODATA;
2017
2018 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
2019
2020 chan = ieee80211_get_channel(adapter->rtw_wdev->wiphy, freq);
2021
2022 if (registrypriv->ht_enable) {
2023 chan_type = rtw_get_chan_type(adapter);
2024 cfg80211_chandef_create(chandef, chan, chan_type);
2025 } else {
2026 cfg80211_chandef_create(chandef, chan, NL80211_CHAN_NO_HT);
2027 }
2028
2029 return 0;
2030 }
2031
rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff * skb,struct net_device * ndev)2032 static netdev_tx_t rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
2033 {
2034 int rtap_len;
2035 int qos_len = 0;
2036 int dot11_hdr_len = 24;
2037 int snap_len = 6;
2038 unsigned char *pdata;
2039 u16 frame_control;
2040 unsigned char src_mac_addr[6];
2041 unsigned char dst_mac_addr[6];
2042 struct ieee80211_hdr *dot11_hdr;
2043 struct ieee80211_radiotap_header *rtap_hdr;
2044 struct adapter *padapter = rtw_netdev_priv(ndev);
2045
2046 if (!skb)
2047 goto fail;
2048
2049 if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
2050 goto fail;
2051
2052 rtap_hdr = (struct ieee80211_radiotap_header *)skb->data;
2053 if (unlikely(rtap_hdr->it_version))
2054 goto fail;
2055
2056 rtap_len = ieee80211_get_radiotap_len(skb->data);
2057 if (unlikely(skb->len < rtap_len))
2058 goto fail;
2059
2060 if (rtap_len != 14)
2061 goto fail;
2062
2063 /* Skip the ratio tap header */
2064 skb_pull(skb, rtap_len);
2065
2066 dot11_hdr = (struct ieee80211_hdr *)skb->data;
2067 frame_control = le16_to_cpu(dot11_hdr->frame_control);
2068 /* Check if the QoS bit is set */
2069 if ((frame_control & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
2070 /* Check if this ia a Wireless Distribution System (WDS) frame
2071 * which has 4 MAC addresses
2072 */
2073 if (frame_control & 0x0080)
2074 qos_len = 2;
2075 if ((frame_control & 0x0300) == 0x0300)
2076 dot11_hdr_len += 6;
2077
2078 memcpy(dst_mac_addr, dot11_hdr->addr1, sizeof(dst_mac_addr));
2079 memcpy(src_mac_addr, dot11_hdr->addr2, sizeof(src_mac_addr));
2080
2081 /* Skip the 802.11 header, QoS (if any) and SNAP, but leave spaces for
2082 * two MAC addresses
2083 */
2084 skb_pull(skb, dot11_hdr_len + qos_len + snap_len - sizeof(src_mac_addr) * 2);
2085 pdata = (unsigned char *)skb->data;
2086 memcpy(pdata, dst_mac_addr, sizeof(dst_mac_addr));
2087 memcpy(pdata + sizeof(dst_mac_addr), src_mac_addr, sizeof(src_mac_addr));
2088
2089 /* Use the real net device to transmit the packet */
2090 _rtw_xmit_entry(skb, padapter->pnetdev);
2091 return NETDEV_TX_OK;
2092
2093 } else if ((frame_control & (IEEE80211_FCTL_FTYPE|IEEE80211_FCTL_STYPE)) ==
2094 (IEEE80211_FTYPE_MGMT|IEEE80211_STYPE_ACTION)) {
2095 /* only for action frames */
2096 struct xmit_frame *pmgntframe;
2097 struct pkt_attrib *pattrib;
2098 unsigned char *pframe;
2099 /* u8 category, action, OUI_Subtype, dialogToken = 0; */
2100 /* unsigned char *frame_body; */
2101 struct ieee80211_hdr *pwlanhdr;
2102 struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2103 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2104 u8 *buf = skb->data;
2105 u32 len = skb->len;
2106 u8 category, action;
2107
2108 if (rtw_action_frame_parse(buf, len, &category, &action) == false)
2109 goto fail;
2110
2111 /* starting alloc mgmt frame to dump it */
2112 pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2113 if (!pmgntframe)
2114 goto fail;
2115
2116 /* update attribute */
2117 pattrib = &pmgntframe->attrib;
2118 update_mgntframe_attrib(padapter, pattrib);
2119 pattrib->retry_ctrl = false;
2120
2121 memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2122
2123 pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2124
2125 memcpy(pframe, (void *)buf, len);
2126 pattrib->pktlen = len;
2127
2128 pwlanhdr = (struct ieee80211_hdr *)pframe;
2129 /* update seq number */
2130 pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2131 pattrib->seqnum = pmlmeext->mgnt_seq;
2132 pmlmeext->mgnt_seq++;
2133
2134
2135 pattrib->last_txcmdsz = pattrib->pktlen;
2136
2137 dump_mgntframe(padapter, pmgntframe);
2138
2139 }
2140
2141 fail:
2142
2143 dev_kfree_skb_any(skb);
2144
2145 return NETDEV_TX_OK;
2146
2147 }
2148
2149
2150
2151 static const struct net_device_ops rtw_cfg80211_monitor_if_ops = {
2152 .ndo_start_xmit = rtw_cfg80211_monitor_if_xmit_entry,
2153 };
2154
rtw_cfg80211_add_monitor_if(struct adapter * padapter,char * name,struct net_device ** ndev)2155 static int rtw_cfg80211_add_monitor_if(struct adapter *padapter, char *name, struct net_device **ndev)
2156 {
2157 int ret = 0;
2158 struct net_device *mon_ndev = NULL;
2159 struct wireless_dev *mon_wdev = NULL;
2160 struct rtw_netdev_priv_indicator *pnpi;
2161 struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
2162
2163 if (!name) {
2164 ret = -EINVAL;
2165 goto out;
2166 }
2167
2168 if (pwdev_priv->pmon_ndev) {
2169 ret = -EBUSY;
2170 goto out;
2171 }
2172
2173 mon_ndev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2174 if (!mon_ndev) {
2175 ret = -ENOMEM;
2176 goto out;
2177 }
2178
2179 mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP;
2180 strncpy(mon_ndev->name, name, IFNAMSIZ);
2181 mon_ndev->name[IFNAMSIZ - 1] = 0;
2182 mon_ndev->needs_free_netdev = true;
2183 mon_ndev->priv_destructor = rtw_ndev_destructor;
2184
2185 mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops;
2186
2187 pnpi = netdev_priv(mon_ndev);
2188 pnpi->priv = padapter;
2189 pnpi->sizeof_priv = sizeof(struct adapter);
2190
2191 /* wdev */
2192 mon_wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2193 if (!mon_wdev) {
2194 ret = -ENOMEM;
2195 goto out;
2196 }
2197
2198 mon_wdev->wiphy = padapter->rtw_wdev->wiphy;
2199 mon_wdev->netdev = mon_ndev;
2200 mon_wdev->iftype = NL80211_IFTYPE_MONITOR;
2201 mon_ndev->ieee80211_ptr = mon_wdev;
2202
2203 ret = cfg80211_register_netdevice(mon_ndev);
2204 if (ret)
2205 goto out;
2206
2207 *ndev = pwdev_priv->pmon_ndev = mon_ndev;
2208 memcpy(pwdev_priv->ifname_mon, name, IFNAMSIZ+1);
2209
2210 out:
2211 if (ret && mon_wdev) {
2212 kfree(mon_wdev);
2213 mon_wdev = NULL;
2214 }
2215
2216 if (ret && mon_ndev) {
2217 free_netdev(mon_ndev);
2218 *ndev = mon_ndev = NULL;
2219 }
2220
2221 return ret;
2222 }
2223
2224 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)2225 cfg80211_rtw_add_virtual_intf(
2226 struct wiphy *wiphy,
2227 const char *name,
2228 unsigned char name_assign_type,
2229 enum nl80211_iftype type, struct vif_params *params)
2230 {
2231 int ret = 0;
2232 struct net_device *ndev = NULL;
2233 struct adapter *padapter = wiphy_to_adapter(wiphy);
2234
2235 switch (type) {
2236 case NL80211_IFTYPE_ADHOC:
2237 case NL80211_IFTYPE_AP_VLAN:
2238 case NL80211_IFTYPE_WDS:
2239 case NL80211_IFTYPE_MESH_POINT:
2240 ret = -ENODEV;
2241 break;
2242 case NL80211_IFTYPE_MONITOR:
2243 ret = rtw_cfg80211_add_monitor_if(padapter, (char *)name, &ndev);
2244 break;
2245 case NL80211_IFTYPE_P2P_CLIENT:
2246 case NL80211_IFTYPE_STATION:
2247 ret = -ENODEV;
2248 break;
2249 case NL80211_IFTYPE_P2P_GO:
2250 case NL80211_IFTYPE_AP:
2251 ret = -ENODEV;
2252 break;
2253 default:
2254 ret = -ENODEV;
2255 break;
2256 }
2257
2258 return ndev ? ndev->ieee80211_ptr : ERR_PTR(ret);
2259 }
2260
cfg80211_rtw_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)2261 static int cfg80211_rtw_del_virtual_intf(struct wiphy *wiphy,
2262 struct wireless_dev *wdev
2263 )
2264 {
2265 struct net_device *ndev = wdev_to_ndev(wdev);
2266 int ret = 0;
2267 struct adapter *adapter;
2268 struct rtw_wdev_priv *pwdev_priv;
2269
2270 if (!ndev) {
2271 ret = -EINVAL;
2272 goto exit;
2273 }
2274
2275 adapter = rtw_netdev_priv(ndev);
2276 pwdev_priv = adapter_wdev_data(adapter);
2277
2278 cfg80211_unregister_netdevice(ndev);
2279
2280 if (ndev == pwdev_priv->pmon_ndev) {
2281 pwdev_priv->pmon_ndev = NULL;
2282 pwdev_priv->ifname_mon[0] = '\0';
2283 }
2284
2285 exit:
2286 return ret;
2287 }
2288
rtw_add_beacon(struct adapter * adapter,const u8 * head,size_t head_len,const u8 * tail,size_t tail_len)2289 static int rtw_add_beacon(struct adapter *adapter, const u8 *head, size_t head_len, const u8 *tail, size_t tail_len)
2290 {
2291 int ret = 0;
2292 u8 *pbuf = NULL;
2293 uint len, wps_ielen = 0;
2294 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
2295
2296 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
2297 return -EINVAL;
2298
2299 if (head_len < 24)
2300 return -EINVAL;
2301
2302 pbuf = rtw_zmalloc(head_len+tail_len);
2303 if (!pbuf)
2304 return -ENOMEM;
2305
2306 memcpy(pbuf, (void *)head+24, head_len-24);/* 24 =beacon header len. */
2307 memcpy(pbuf+head_len-24, (void *)tail, tail_len);
2308
2309 len = head_len+tail_len-24;
2310
2311 /* check wps ie if inclued */
2312 rtw_get_wps_ie(pbuf + _FIXED_IE_LENGTH_, len - _FIXED_IE_LENGTH_, NULL, &wps_ielen);
2313
2314 /* pbss_network->ies will not include p2p_ie, wfd ie */
2315 rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, P2P_OUI, 4);
2316 rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, WFD_OUI, 4);
2317
2318 if (rtw_check_beacon_data(adapter, pbuf, len) == _SUCCESS)
2319 ret = 0;
2320 else
2321 ret = -EINVAL;
2322
2323
2324 kfree(pbuf);
2325
2326 return ret;
2327 }
2328
cfg80211_rtw_start_ap(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ap_settings * settings)2329 static int cfg80211_rtw_start_ap(struct wiphy *wiphy, struct net_device *ndev,
2330 struct cfg80211_ap_settings *settings)
2331 {
2332 int ret = 0;
2333 struct adapter *adapter = rtw_netdev_priv(ndev);
2334
2335 ret = rtw_add_beacon(adapter, settings->beacon.head, settings->beacon.head_len,
2336 settings->beacon.tail, settings->beacon.tail_len);
2337
2338 adapter->mlmeextpriv.mlmext_info.hidden_ssid_mode = settings->hidden_ssid;
2339
2340 if (settings->ssid && settings->ssid_len) {
2341 struct wlan_bssid_ex *pbss_network = &adapter->mlmepriv.cur_network.network;
2342 struct wlan_bssid_ex *pbss_network_ext = &adapter->mlmeextpriv.mlmext_info.network;
2343
2344 memcpy(pbss_network->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
2345 pbss_network->ssid.ssid_length = settings->ssid_len;
2346 memcpy(pbss_network_ext->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
2347 pbss_network_ext->ssid.ssid_length = settings->ssid_len;
2348 }
2349
2350 return ret;
2351 }
2352
cfg80211_rtw_change_beacon(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_beacon_data * info)2353 static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
2354 struct cfg80211_beacon_data *info)
2355 {
2356 struct adapter *adapter = rtw_netdev_priv(ndev);
2357
2358 return rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);
2359 }
2360
cfg80211_rtw_stop_ap(struct wiphy * wiphy,struct net_device * ndev,unsigned int link_id)2361 static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev,
2362 unsigned int link_id)
2363 {
2364 return 0;
2365 }
2366
cfg80211_rtw_add_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_parameters * params)2367 static int cfg80211_rtw_add_station(struct wiphy *wiphy, struct net_device *ndev,
2368 const u8 *mac,
2369 struct station_parameters *params)
2370 {
2371 return 0;
2372 }
2373
cfg80211_rtw_del_station(struct wiphy * wiphy,struct net_device * ndev,struct station_del_parameters * params)2374 static int cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev,
2375 struct station_del_parameters *params)
2376 {
2377 int ret = 0;
2378 struct list_head *phead, *plist, *tmp;
2379 u8 updated = false;
2380 struct sta_info *psta = NULL;
2381 struct adapter *padapter = rtw_netdev_priv(ndev);
2382 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2383 struct sta_priv *pstapriv = &padapter->stapriv;
2384 const u8 *mac = params->mac;
2385
2386 if (check_fwstate(pmlmepriv, (_FW_LINKED | WIFI_AP_STATE)) != true)
2387 return -EINVAL;
2388
2389 if (!mac) {
2390 flush_all_cam_entry(padapter); /* clear CAM */
2391
2392 rtw_sta_flush(padapter);
2393
2394 return 0;
2395 }
2396
2397 if (mac[0] == 0xff && mac[1] == 0xff &&
2398 mac[2] == 0xff && mac[3] == 0xff &&
2399 mac[4] == 0xff && mac[5] == 0xff) {
2400 return -EINVAL;
2401 }
2402
2403
2404 spin_lock_bh(&pstapriv->asoc_list_lock);
2405
2406 phead = &pstapriv->asoc_list;
2407 /* check asoc_queue */
2408 list_for_each_safe(plist, tmp, phead) {
2409 psta = list_entry(plist, struct sta_info, asoc_list);
2410
2411 if (!memcmp((u8 *)mac, psta->hwaddr, ETH_ALEN)) {
2412 if (psta->dot8021xalg != 1 || psta->bpairwise_key_installed) {
2413 list_del_init(&psta->asoc_list);
2414 pstapriv->asoc_list_cnt--;
2415
2416 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
2417
2418 psta = NULL;
2419
2420 break;
2421 }
2422
2423 }
2424
2425 }
2426
2427 spin_unlock_bh(&pstapriv->asoc_list_lock);
2428
2429 associated_clients_update(padapter, updated);
2430
2431 return ret;
2432
2433 }
2434
cfg80211_rtw_change_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_parameters * params)2435 static int cfg80211_rtw_change_station(struct wiphy *wiphy, struct net_device *ndev,
2436 const u8 *mac, struct station_parameters *params)
2437 {
2438 return 0;
2439 }
2440
rtw_sta_info_get_by_idx(const int idx,struct sta_priv * pstapriv)2441 static struct sta_info *rtw_sta_info_get_by_idx(const int idx, struct sta_priv *pstapriv)
2442
2443 {
2444 struct list_head *phead, *plist;
2445 struct sta_info *psta = NULL;
2446 int i = 0;
2447
2448 phead = &pstapriv->asoc_list;
2449 plist = get_next(phead);
2450
2451 /* check asoc_queue */
2452 while (phead != plist) {
2453 if (idx == i)
2454 psta = container_of(plist, struct sta_info, asoc_list);
2455 plist = get_next(plist);
2456 i++;
2457 }
2458 return psta;
2459 }
2460
cfg80211_rtw_dump_station(struct wiphy * wiphy,struct net_device * ndev,int idx,u8 * mac,struct station_info * sinfo)2461 static int cfg80211_rtw_dump_station(struct wiphy *wiphy, struct net_device *ndev,
2462 int idx, u8 *mac, struct station_info *sinfo)
2463 {
2464
2465 int ret = 0;
2466 struct adapter *padapter = rtw_netdev_priv(ndev);
2467 struct sta_info *psta = NULL;
2468 struct sta_priv *pstapriv = &padapter->stapriv;
2469
2470 spin_lock_bh(&pstapriv->asoc_list_lock);
2471 psta = rtw_sta_info_get_by_idx(idx, pstapriv);
2472 spin_unlock_bh(&pstapriv->asoc_list_lock);
2473 if (psta == NULL) {
2474 ret = -ENOENT;
2475 goto exit;
2476 }
2477 memcpy(mac, psta->hwaddr, ETH_ALEN);
2478 sinfo->filled = BIT_ULL(NL80211_STA_INFO_SIGNAL);
2479 sinfo->signal = psta->rssi;
2480
2481 exit:
2482 return ret;
2483 }
2484
cfg80211_rtw_change_bss(struct wiphy * wiphy,struct net_device * ndev,struct bss_parameters * params)2485 static int cfg80211_rtw_change_bss(struct wiphy *wiphy, struct net_device *ndev,
2486 struct bss_parameters *params)
2487 {
2488 return 0;
2489 }
2490
rtw_cfg80211_rx_action(struct adapter * adapter,u8 * frame,uint frame_len,const char * msg)2491 void rtw_cfg80211_rx_action(struct adapter *adapter, u8 *frame, uint frame_len, const char *msg)
2492 {
2493 s32 freq;
2494 int channel;
2495 u8 category, action;
2496
2497 channel = rtw_get_oper_ch(adapter);
2498
2499 rtw_action_frame_parse(frame, frame_len, &category, &action);
2500
2501 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
2502
2503 rtw_cfg80211_rx_mgmt(adapter, freq, 0, frame, frame_len, GFP_ATOMIC);
2504 }
2505
_cfg80211_rtw_mgmt_tx(struct adapter * padapter,u8 tx_ch,const u8 * buf,size_t len)2506 static int _cfg80211_rtw_mgmt_tx(struct adapter *padapter, u8 tx_ch, const u8 *buf, size_t len)
2507 {
2508 struct xmit_frame *pmgntframe;
2509 struct pkt_attrib *pattrib;
2510 unsigned char *pframe;
2511 int ret = _FAIL;
2512 bool __maybe_unused ack = true;
2513 struct ieee80211_hdr *pwlanhdr;
2514 struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2515 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2516
2517 rtw_set_scan_deny(padapter, 1000);
2518
2519 rtw_scan_abort(padapter);
2520 if (tx_ch != rtw_get_oper_ch(padapter)) {
2521 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED))
2522 pmlmeext->cur_channel = tx_ch;
2523 set_channel_bwmode(padapter, tx_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
2524 }
2525
2526 /* starting alloc mgmt frame to dump it */
2527 pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2528 if (!pmgntframe) {
2529 /* ret = -ENOMEM; */
2530 ret = _FAIL;
2531 goto exit;
2532 }
2533
2534 /* update attribute */
2535 pattrib = &pmgntframe->attrib;
2536 update_mgntframe_attrib(padapter, pattrib);
2537 pattrib->retry_ctrl = false;
2538
2539 memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2540
2541 pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2542
2543 memcpy(pframe, (void *)buf, len);
2544 pattrib->pktlen = len;
2545
2546 pwlanhdr = (struct ieee80211_hdr *)pframe;
2547 /* update seq number */
2548 pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2549 pattrib->seqnum = pmlmeext->mgnt_seq;
2550 pmlmeext->mgnt_seq++;
2551
2552 pattrib->last_txcmdsz = pattrib->pktlen;
2553
2554 if (dump_mgntframe_and_wait_ack(padapter, pmgntframe) != _SUCCESS) {
2555 ack = false;
2556 ret = _FAIL;
2557
2558 } else {
2559 msleep(50);
2560
2561 ret = _SUCCESS;
2562 }
2563
2564 exit:
2565
2566 return ret;
2567
2568 }
2569
cfg80211_rtw_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)2570 static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy,
2571 struct wireless_dev *wdev,
2572 struct cfg80211_mgmt_tx_params *params,
2573 u64 *cookie)
2574 {
2575 struct net_device *ndev = wdev_to_ndev(wdev);
2576 struct ieee80211_channel *chan = params->chan;
2577 const u8 *buf = params->buf;
2578 size_t len = params->len;
2579 int ret = 0;
2580 int tx_ret;
2581 u32 dump_limit = RTW_MAX_MGMT_TX_CNT;
2582 u32 dump_cnt = 0;
2583 bool ack = true;
2584 u8 tx_ch = (u8)ieee80211_frequency_to_channel(chan->center_freq);
2585 u8 category, action;
2586 int type = (-1);
2587 struct adapter *padapter;
2588 struct rtw_wdev_priv *pwdev_priv;
2589
2590 if (!ndev) {
2591 ret = -EINVAL;
2592 goto exit;
2593 }
2594
2595 padapter = rtw_netdev_priv(ndev);
2596 pwdev_priv = adapter_wdev_data(padapter);
2597
2598 /* cookie generation */
2599 *cookie = (unsigned long) buf;
2600
2601 /* indicate ack before issue frame to avoid racing with rsp frame */
2602 rtw_cfg80211_mgmt_tx_status(padapter, *cookie, buf, len, ack, GFP_KERNEL);
2603
2604 if (rtw_action_frame_parse(buf, len, &category, &action) == false)
2605 goto exit;
2606
2607 rtw_ps_deny(padapter, PS_DENY_MGNT_TX);
2608 if (rtw_pwr_wakeup(padapter) == _FAIL) {
2609 ret = -EFAULT;
2610 goto cancel_ps_deny;
2611 }
2612
2613 do {
2614 dump_cnt++;
2615 tx_ret = _cfg80211_rtw_mgmt_tx(padapter, tx_ch, buf, len);
2616 } while (dump_cnt < dump_limit && tx_ret != _SUCCESS);
2617
2618 switch (type) {
2619 case P2P_GO_NEGO_CONF:
2620 rtw_clear_scan_deny(padapter);
2621 break;
2622 case P2P_INVIT_RESP:
2623 if (pwdev_priv->invit_info.flags & BIT(0) && pwdev_priv->invit_info.status == 0) {
2624 rtw_set_scan_deny(padapter, 5000);
2625 rtw_pwr_wakeup_ex(padapter, 5000);
2626 rtw_clear_scan_deny(padapter);
2627 }
2628 break;
2629 }
2630
2631 cancel_ps_deny:
2632 rtw_ps_deny_cancel(padapter, PS_DENY_MGNT_TX);
2633 exit:
2634 return ret;
2635 }
2636
rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap * ht_cap,enum nl80211_band band)2637 static void rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap *ht_cap, enum nl80211_band band)
2638 {
2639
2640 #define MAX_BIT_RATE_40MHZ_MCS15 300 /* Mbps */
2641 #define MAX_BIT_RATE_40MHZ_MCS7 150 /* Mbps */
2642
2643 ht_cap->ht_supported = true;
2644
2645 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2646 IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20 |
2647 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
2648
2649 /*
2650 *Maximum length of AMPDU that the STA can receive.
2651 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
2652 */
2653 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2654
2655 /*Minimum MPDU start spacing , */
2656 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
2657
2658 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2659
2660 /*
2661 *hw->wiphy->bands[NL80211_BAND_2GHZ]
2662 *base on ant_num
2663 *rx_mask: RX mask
2664 *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
2665 *if rx_ant =2 rx_mask[1]= 0xff;==>MCS8-MCS15
2666 *if rx_ant >=3 rx_mask[2]= 0xff;
2667 *if BW_40 rx_mask[4]= 0x01;
2668 *highest supported RX rate
2669 */
2670 ht_cap->mcs.rx_mask[0] = 0xFF;
2671 ht_cap->mcs.rx_mask[1] = 0x00;
2672 ht_cap->mcs.rx_mask[4] = 0x01;
2673
2674 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
2675 }
2676
rtw_cfg80211_init_wiphy(struct adapter * padapter)2677 void rtw_cfg80211_init_wiphy(struct adapter *padapter)
2678 {
2679 struct ieee80211_supported_band *bands;
2680 struct wireless_dev *pwdev = padapter->rtw_wdev;
2681 struct wiphy *wiphy = pwdev->wiphy;
2682
2683 {
2684 bands = wiphy->bands[NL80211_BAND_2GHZ];
2685 if (bands)
2686 rtw_cfg80211_init_ht_capab(&bands->ht_cap, NL80211_BAND_2GHZ);
2687 }
2688
2689 /* copy mac_addr to wiphy */
2690 memcpy(wiphy->perm_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
2691
2692 }
2693
rtw_cfg80211_preinit_wiphy(struct adapter * padapter,struct wiphy * wiphy)2694 static void rtw_cfg80211_preinit_wiphy(struct adapter *padapter, struct wiphy *wiphy)
2695 {
2696
2697 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2698
2699 wiphy->max_scan_ssids = RTW_SSID_SCAN_AMOUNT;
2700 wiphy->max_scan_ie_len = RTW_SCAN_IE_LEN_MAX;
2701 wiphy->max_num_pmkids = RTW_MAX_NUM_PMKIDS;
2702
2703 wiphy->max_remain_on_channel_duration = RTW_MAX_REMAIN_ON_CHANNEL_DURATION;
2704
2705 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2706 | BIT(NL80211_IFTYPE_ADHOC)
2707 | BIT(NL80211_IFTYPE_AP)
2708 | BIT(NL80211_IFTYPE_MONITOR)
2709 ;
2710
2711 wiphy->mgmt_stypes = rtw_cfg80211_default_mgmt_stypes;
2712
2713 wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
2714
2715 wiphy->cipher_suites = rtw_cipher_suites;
2716 wiphy->n_cipher_suites = ARRAY_SIZE(rtw_cipher_suites);
2717
2718 /* if (padapter->registrypriv.wireless_mode & WIRELESS_11G) */
2719 wiphy->bands[NL80211_BAND_2GHZ] = rtw_spt_band_alloc(NL80211_BAND_2GHZ);
2720
2721 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2722 wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAVE_AP_SME;
2723
2724 #if defined(CONFIG_PM)
2725 wiphy->max_sched_scan_reqs = 1;
2726 #endif
2727
2728 #if defined(CONFIG_PM)
2729 wiphy->wowlan = &wowlan_stub;
2730 #endif
2731
2732 if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2733 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
2734 else
2735 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
2736 }
2737
2738 static struct cfg80211_ops rtw_cfg80211_ops = {
2739 .change_virtual_intf = cfg80211_rtw_change_iface,
2740 .add_key = cfg80211_rtw_add_key,
2741 .get_key = cfg80211_rtw_get_key,
2742 .del_key = cfg80211_rtw_del_key,
2743 .set_default_key = cfg80211_rtw_set_default_key,
2744 .get_station = cfg80211_rtw_get_station,
2745 .scan = cfg80211_rtw_scan,
2746 .set_wiphy_params = cfg80211_rtw_set_wiphy_params,
2747 .connect = cfg80211_rtw_connect,
2748 .disconnect = cfg80211_rtw_disconnect,
2749 .join_ibss = cfg80211_rtw_join_ibss,
2750 .leave_ibss = cfg80211_rtw_leave_ibss,
2751 .set_tx_power = cfg80211_rtw_set_txpower,
2752 .get_tx_power = cfg80211_rtw_get_txpower,
2753 .set_power_mgmt = cfg80211_rtw_set_power_mgmt,
2754 .set_pmksa = cfg80211_rtw_set_pmksa,
2755 .del_pmksa = cfg80211_rtw_del_pmksa,
2756 .flush_pmksa = cfg80211_rtw_flush_pmksa,
2757 .get_channel = cfg80211_rtw_get_channel,
2758 .add_virtual_intf = cfg80211_rtw_add_virtual_intf,
2759 .del_virtual_intf = cfg80211_rtw_del_virtual_intf,
2760
2761 .start_ap = cfg80211_rtw_start_ap,
2762 .change_beacon = cfg80211_rtw_change_beacon,
2763 .stop_ap = cfg80211_rtw_stop_ap,
2764
2765 .add_station = cfg80211_rtw_add_station,
2766 .del_station = cfg80211_rtw_del_station,
2767 .change_station = cfg80211_rtw_change_station,
2768 .dump_station = cfg80211_rtw_dump_station,
2769 .change_bss = cfg80211_rtw_change_bss,
2770
2771 .mgmt_tx = cfg80211_rtw_mgmt_tx,
2772 };
2773
rtw_wdev_alloc(struct adapter * padapter,struct device * dev)2774 int rtw_wdev_alloc(struct adapter *padapter, struct device *dev)
2775 {
2776 int ret = 0;
2777 struct wiphy *wiphy;
2778 struct wireless_dev *wdev;
2779 struct rtw_wdev_priv *pwdev_priv;
2780 struct net_device *pnetdev = padapter->pnetdev;
2781
2782 /* wiphy */
2783 wiphy = wiphy_new(&rtw_cfg80211_ops, sizeof(struct adapter *));
2784 if (!wiphy) {
2785 ret = -ENOMEM;
2786 goto exit;
2787 }
2788 set_wiphy_dev(wiphy, dev);
2789 *((struct adapter **)wiphy_priv(wiphy)) = padapter;
2790 rtw_cfg80211_preinit_wiphy(padapter, wiphy);
2791
2792 /* init regulary domain */
2793 rtw_regd_init(wiphy, rtw_reg_notifier);
2794
2795 ret = wiphy_register(wiphy);
2796 if (ret < 0)
2797 goto free_wiphy;
2798
2799 /* wdev */
2800 wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2801 if (!wdev) {
2802 ret = -ENOMEM;
2803 goto unregister_wiphy;
2804 }
2805 wdev->wiphy = wiphy;
2806 wdev->netdev = pnetdev;
2807
2808 wdev->iftype = NL80211_IFTYPE_STATION; /* will be init in rtw_hal_init() */
2809 /* Must sync with _rtw_init_mlme_priv() */
2810 /* pmlmepriv->fw_state = WIFI_STATION_STATE */
2811 padapter->rtw_wdev = wdev;
2812 pnetdev->ieee80211_ptr = wdev;
2813
2814 /* init pwdev_priv */
2815 pwdev_priv = adapter_wdev_data(padapter);
2816 pwdev_priv->rtw_wdev = wdev;
2817 pwdev_priv->pmon_ndev = NULL;
2818 pwdev_priv->ifname_mon[0] = '\0';
2819 pwdev_priv->padapter = padapter;
2820 pwdev_priv->scan_request = NULL;
2821 spin_lock_init(&pwdev_priv->scan_req_lock);
2822
2823 pwdev_priv->p2p_enabled = false;
2824 pwdev_priv->provdisc_req_issued = false;
2825 rtw_wdev_invit_info_init(&pwdev_priv->invit_info);
2826 rtw_wdev_nego_info_init(&pwdev_priv->nego_info);
2827
2828 pwdev_priv->bandroid_scan = false;
2829
2830 if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2831 pwdev_priv->power_mgmt = true;
2832 else
2833 pwdev_priv->power_mgmt = false;
2834
2835 return ret;
2836
2837 unregister_wiphy:
2838 wiphy_unregister(wiphy);
2839 free_wiphy:
2840 wiphy_free(wiphy);
2841 exit:
2842 return ret;
2843
2844 }
2845
rtw_wdev_free(struct wireless_dev * wdev)2846 void rtw_wdev_free(struct wireless_dev *wdev)
2847 {
2848 if (!wdev)
2849 return;
2850
2851 kfree(wdev->wiphy->bands[NL80211_BAND_2GHZ]);
2852
2853 wiphy_free(wdev->wiphy);
2854
2855 kfree(wdev);
2856 }
2857
rtw_wdev_unregister(struct wireless_dev * wdev)2858 void rtw_wdev_unregister(struct wireless_dev *wdev)
2859 {
2860 struct net_device *ndev;
2861 struct adapter *adapter;
2862 struct rtw_wdev_priv *pwdev_priv;
2863
2864 if (!wdev)
2865 return;
2866 ndev = wdev_to_ndev(wdev);
2867 if (!ndev)
2868 return;
2869
2870 adapter = rtw_netdev_priv(ndev);
2871 pwdev_priv = adapter_wdev_data(adapter);
2872
2873 rtw_cfg80211_indicate_scan_done(adapter, true);
2874
2875 if (pwdev_priv->pmon_ndev)
2876 unregister_netdev(pwdev_priv->pmon_ndev);
2877
2878 wiphy_unregister(wdev->wiphy);
2879 }
2880