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
373 if (!rtw_cfg80211_check_bss(padapter)) {
374 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
375 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
376
377 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
378
379 memcpy(&cur_network->network, pnetwork, sizeof(struct wlan_bssid_ex));
380 rtw_cfg80211_inform_bss(padapter, cur_network);
381 } else {
382 if (!scanned) {
383 rtw_warn_on(1);
384 return;
385 }
386 if (!memcmp(&(scanned->network.ssid), &(pnetwork->ssid), sizeof(struct ndis_802_11_ssid))
387 && !memcmp(scanned->network.mac_address, pnetwork->mac_address, sizeof(NDIS_802_11_MAC_ADDRESS))
388 )
389 rtw_cfg80211_inform_bss(padapter, scanned);
390 else
391 rtw_warn_on(1);
392 }
393
394 if (!rtw_cfg80211_check_bss(padapter))
395 netdev_dbg(padapter->pnetdev,
396 FUNC_ADPT_FMT " BSS not found !!\n",
397 FUNC_ADPT_ARG(padapter));
398 }
399 /* notify cfg80211 that device joined an IBSS */
400 chan = ieee80211_get_channel(wiphy, freq);
401 cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.mac_address, chan, GFP_ATOMIC);
402 }
403
rtw_cfg80211_indicate_connect(struct adapter * padapter)404 void rtw_cfg80211_indicate_connect(struct adapter *padapter)
405 {
406 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
407 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
408 struct wireless_dev *pwdev = padapter->rtw_wdev;
409
410 if (pwdev->iftype != NL80211_IFTYPE_STATION
411 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
412 ) {
413 return;
414 }
415
416 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
417 return;
418
419 {
420 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
421 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
422
423 if (!scanned) {
424 rtw_warn_on(1);
425 goto check_bss;
426 }
427
428 if (!memcmp(scanned->network.mac_address, pnetwork->mac_address, sizeof(NDIS_802_11_MAC_ADDRESS))
429 && !memcmp(&(scanned->network.ssid), &(pnetwork->ssid), sizeof(struct ndis_802_11_ssid))
430 )
431 rtw_cfg80211_inform_bss(padapter, scanned);
432 else
433 rtw_warn_on(1);
434 }
435
436 check_bss:
437 if (!rtw_cfg80211_check_bss(padapter))
438 netdev_dbg(padapter->pnetdev,
439 FUNC_ADPT_FMT " BSS not found !!\n",
440 FUNC_ADPT_ARG(padapter));
441
442 if (rtw_to_roam(padapter) > 0) {
443 struct wiphy *wiphy = pwdev->wiphy;
444 struct ieee80211_channel *notify_channel;
445 u32 freq;
446 u16 channel = cur_network->network.configuration.ds_config;
447 struct cfg80211_roam_info roam_info = {};
448
449 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
450
451 notify_channel = ieee80211_get_channel(wiphy, freq);
452
453 roam_info.channel = notify_channel;
454 roam_info.bssid = cur_network->network.mac_address;
455 roam_info.req_ie =
456 pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2;
457 roam_info.req_ie_len =
458 pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2;
459 roam_info.resp_ie =
460 pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6;
461 roam_info.resp_ie_len =
462 pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6;
463 cfg80211_roamed(padapter->pnetdev, &roam_info, GFP_ATOMIC);
464 } else {
465 cfg80211_connect_result(padapter->pnetdev, cur_network->network.mac_address
466 , pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2
467 , pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2
468 , pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6
469 , pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6
470 , WLAN_STATUS_SUCCESS, GFP_ATOMIC);
471 }
472 }
473
rtw_cfg80211_indicate_disconnect(struct adapter * padapter)474 void rtw_cfg80211_indicate_disconnect(struct adapter *padapter)
475 {
476 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
477 struct wireless_dev *pwdev = padapter->rtw_wdev;
478
479 if (pwdev->iftype != NL80211_IFTYPE_STATION
480 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
481 ) {
482 return;
483 }
484
485 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
486 return;
487
488 if (!padapter->mlmepriv.not_indic_disco) {
489 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
490 cfg80211_disconnected(padapter->pnetdev, 0,
491 NULL, 0, true, GFP_ATOMIC);
492 } else {
493 cfg80211_connect_result(padapter->pnetdev, NULL, NULL, 0, NULL, 0,
494 WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC/*GFP_KERNEL*/);
495 }
496 }
497 }
498
499
rtw_cfg80211_ap_set_encryption(struct net_device * dev,struct ieee_param * param,u32 param_len)500 static int rtw_cfg80211_ap_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
501 {
502 int ret = 0;
503 u32 wep_key_idx, wep_key_len;
504 struct sta_info *psta = NULL, *pbcmc_sta = NULL;
505 struct adapter *padapter = rtw_netdev_priv(dev);
506 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
507 struct security_priv *psecuritypriv = &(padapter->securitypriv);
508 struct sta_priv *pstapriv = &padapter->stapriv;
509 char *grpkey = padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey;
510 char *txkey = padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey;
511 char *rxkey = padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey;
512
513 param->u.crypt.err = 0;
514 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
515
516 if (param_len != sizeof(struct ieee_param) + param->u.crypt.key_len) {
517 ret = -EINVAL;
518 goto exit;
519 }
520
521 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
522 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
523 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
524 if (param->u.crypt.idx >= WEP_KEYS) {
525 ret = -EINVAL;
526 goto exit;
527 }
528 } else {
529 psta = rtw_get_stainfo(pstapriv, param->sta_addr);
530 if (!psta)
531 /* ret = -EINVAL; */
532 goto exit;
533 }
534
535 if (strcmp(param->u.crypt.alg, "none") == 0 && !psta)
536 goto exit;
537
538 if (strcmp(param->u.crypt.alg, "WEP") == 0 && !psta) {
539 wep_key_idx = param->u.crypt.idx;
540 wep_key_len = param->u.crypt.key_len;
541
542 if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0)) {
543 ret = -EINVAL;
544 goto exit;
545 }
546
547 if (wep_key_len > 0) {
548 wep_key_len = wep_key_len <= 5 ? 5 : 13;
549 }
550
551 if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
552 /* wep default key has not been set, so use this key index as default key. */
553
554 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
555 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
556 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
557 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
558
559 if (wep_key_len == 13) {
560 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
561 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
562 }
563
564 psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
565 }
566
567 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
568
569 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
570
571 rtw_ap_set_wep_key(padapter, param->u.crypt.key, wep_key_len, wep_key_idx, 1);
572
573 goto exit;
574
575 }
576
577 /* group key */
578 if (!psta && check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
579 /* group key */
580 if (param->u.crypt.set_tx == 0) {
581 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
582 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
583
584 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
585 if (param->u.crypt.key_len == 13) {
586 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
587 }
588
589 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
590 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
591
592 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
593
594 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
595 /* set mic key */
596 memcpy(txkey, &(param->u.crypt.key[16]), 8);
597 memcpy(rxkey, &(param->u.crypt.key[24]), 8);
598
599 psecuritypriv->busetkipkey = true;
600
601 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
602 psecuritypriv->dot118021XGrpPrivacy = _AES_;
603
604 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
605 } else {
606 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
607 }
608
609 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
610
611 psecuritypriv->binstallGrpkey = true;
612
613 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
614
615 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
616
617 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
618 if (pbcmc_sta) {
619 pbcmc_sta->ieee8021x_blocked = false;
620 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
621 }
622
623 }
624
625 goto exit;
626
627 }
628
629 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) /* psk/802_1x */
630 {
631 if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
632 {
633 if (param->u.crypt.set_tx == 1) /* pairwise key */
634 {
635 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
636
637 if (strcmp(param->u.crypt.alg, "WEP") == 0)
638 {
639 psta->dot118021XPrivacy = _WEP40_;
640 if (param->u.crypt.key_len == 13)
641 {
642 psta->dot118021XPrivacy = _WEP104_;
643 }
644 }
645 else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
646 {
647 psta->dot118021XPrivacy = _TKIP_;
648
649 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
650 /* set mic key */
651 memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
652 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
653
654 psecuritypriv->busetkipkey = true;
655
656 }
657 else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
658 {
659
660 psta->dot118021XPrivacy = _AES_;
661 }
662 else
663 {
664 psta->dot118021XPrivacy = _NO_PRIVACY_;
665 }
666
667 rtw_ap_set_pairwise_key(padapter, psta);
668
669 psta->ieee8021x_blocked = false;
670
671 psta->bpairwise_key_installed = true;
672
673 }
674 else/* group key??? */
675 {
676 if (strcmp(param->u.crypt.alg, "WEP") == 0)
677 {
678 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
679
680 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
681 if (param->u.crypt.key_len == 13)
682 {
683 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
684 }
685 }
686 else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
687 {
688 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
689
690 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
691
692 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
693 /* set mic key */
694 memcpy(txkey, &(param->u.crypt.key[16]), 8);
695 memcpy(rxkey, &(param->u.crypt.key[24]), 8);
696
697 psecuritypriv->busetkipkey = true;
698
699 }
700 else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
701 {
702 psecuritypriv->dot118021XGrpPrivacy = _AES_;
703
704 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
705 }
706 else
707 {
708 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
709 }
710
711 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
712
713 psecuritypriv->binstallGrpkey = true;
714
715 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
716
717 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
718
719 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
720 if (pbcmc_sta)
721 {
722 pbcmc_sta->ieee8021x_blocked = false;
723 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
724 }
725
726 }
727
728 }
729
730 }
731
732 exit:
733
734 return ret;
735
736 }
737
rtw_cfg80211_set_encryption(struct net_device * dev,struct ieee_param * param,u32 param_len)738 static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
739 {
740 int ret = 0;
741 u32 wep_key_idx, wep_key_len;
742 struct adapter *padapter = rtw_netdev_priv(dev);
743 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
744 struct security_priv *psecuritypriv = &padapter->securitypriv;
745
746 param->u.crypt.err = 0;
747 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
748
749 if (param_len < (u32) ((u8 *) param->u.crypt.key - (u8 *) param) + param->u.crypt.key_len)
750 {
751 ret = -EINVAL;
752 goto exit;
753 }
754
755 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
756 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
757 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff)
758 {
759 if (param->u.crypt.idx >= WEP_KEYS
760 || param->u.crypt.idx >= BIP_MAX_KEYID
761 )
762 {
763 ret = -EINVAL;
764 goto exit;
765 }
766 } else {
767 {
768 ret = -EINVAL;
769 goto exit;
770 }
771 }
772
773 if (strcmp(param->u.crypt.alg, "WEP") == 0)
774 {
775 wep_key_idx = param->u.crypt.idx;
776 wep_key_len = param->u.crypt.key_len;
777
778 if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0))
779 {
780 ret = -EINVAL;
781 goto exit;
782 }
783
784 if (psecuritypriv->bWepDefaultKeyIdxSet == 0)
785 {
786 /* wep default key has not been set, so use this key index as default key. */
787
788 wep_key_len = wep_key_len <= 5 ? 5 : 13;
789
790 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
791 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
792 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
793
794 if (wep_key_len == 13)
795 {
796 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
797 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
798 }
799
800 psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
801 }
802
803 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
804
805 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
806
807 rtw_set_key(padapter, psecuritypriv, wep_key_idx, 0, true);
808
809 goto exit;
810 }
811
812 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) /* 802_1x */
813 {
814 struct sta_info *psta, *pbcmc_sta;
815 struct sta_priv *pstapriv = &padapter->stapriv;
816
817 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) /* sta mode */
818 {
819 psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
820 if (psta) {
821 /* Jeff: don't disable ieee8021x_blocked while clearing key */
822 if (strcmp(param->u.crypt.alg, "none") != 0)
823 psta->ieee8021x_blocked = false;
824
825
826 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
827 (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled))
828 {
829 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
830 }
831
832 if (param->u.crypt.set_tx == 1)/* pairwise key */
833 {
834
835 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
836
837 if (strcmp(param->u.crypt.alg, "TKIP") == 0)/* set mic key */
838 {
839 /* DEBUG_ERR(("\nset key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
840 memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
841 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
842
843 padapter->securitypriv.busetkipkey = false;
844 /* _set_timer(&padapter->securitypriv.tkip_timer, 50); */
845 }
846
847 rtw_setstakey_cmd(padapter, psta, true, true);
848 }
849 else/* group key */
850 {
851 if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0)
852 {
853 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));
854 memcpy(padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
855 memcpy(padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
856 padapter->securitypriv.binstallGrpkey = true;
857
858 padapter->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;
859 rtw_set_key(padapter, &padapter->securitypriv, param->u.crypt.idx, 1, true);
860 }
861 else if (strcmp(param->u.crypt.alg, "BIP") == 0)
862 {
863 /* save the IGTK key, length 16 bytes */
864 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));
865 /*
866 for (no = 0;no<16;no++)
867 printk(" %02x ", padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey[no]);
868 */
869 padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
870 padapter->securitypriv.binstallBIPkey = true;
871 }
872 }
873 }
874
875 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
876 if (!pbcmc_sta)
877 {
878 /* DEBUG_ERR(("Set OID_802_11_ADD_KEY: bcmc stainfo is null\n")); */
879 }
880 else
881 {
882 /* Jeff: don't disable ieee8021x_blocked while clearing key */
883 if (strcmp(param->u.crypt.alg, "none") != 0)
884 pbcmc_sta->ieee8021x_blocked = false;
885
886 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
887 (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled))
888 {
889 pbcmc_sta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
890 }
891 }
892 }
893 else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) /* adhoc mode */
894 {
895 }
896 }
897
898 exit:
899
900 return ret;
901 }
902
cfg80211_rtw_add_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)903 static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
904 u8 key_index, bool pairwise, const u8 *mac_addr,
905 struct key_params *params)
906 {
907 char *alg_name;
908 u32 param_len;
909 struct ieee_param *param = NULL;
910 int ret = 0;
911 struct adapter *padapter = rtw_netdev_priv(ndev);
912 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
913
914 param_len = sizeof(struct ieee_param) + params->key_len;
915 param = rtw_malloc(param_len);
916 if (!param)
917 return -1;
918
919 memset(param, 0, param_len);
920
921 param->cmd = IEEE_CMD_SET_ENCRYPTION;
922 eth_broadcast_addr(param->sta_addr);
923
924 switch (params->cipher) {
925 case IW_AUTH_CIPHER_NONE:
926 /* todo: remove key */
927 /* remove = 1; */
928 alg_name = "none";
929 break;
930 case WLAN_CIPHER_SUITE_WEP40:
931 case WLAN_CIPHER_SUITE_WEP104:
932 alg_name = "WEP";
933 break;
934 case WLAN_CIPHER_SUITE_TKIP:
935 alg_name = "TKIP";
936 break;
937 case WLAN_CIPHER_SUITE_CCMP:
938 alg_name = "CCMP";
939 break;
940 case WLAN_CIPHER_SUITE_AES_CMAC:
941 alg_name = "BIP";
942 break;
943 default:
944 ret = -ENOTSUPP;
945 goto addkey_end;
946 }
947
948 strncpy((char *)param->u.crypt.alg, alg_name, IEEE_CRYPT_ALG_NAME_LEN);
949
950
951 if (!mac_addr || is_broadcast_ether_addr(mac_addr))
952 {
953 param->u.crypt.set_tx = 0; /* for wpa/wpa2 group key */
954 } else {
955 param->u.crypt.set_tx = 1; /* for wpa/wpa2 pairwise key */
956 }
957
958 param->u.crypt.idx = key_index;
959
960 if (params->seq_len && params->seq)
961 {
962 memcpy(param->u.crypt.seq, (u8 *)params->seq, params->seq_len);
963 }
964
965 if (params->key_len && params->key)
966 {
967 param->u.crypt.key_len = params->key_len;
968 memcpy(param->u.crypt.key, (u8 *)params->key, params->key_len);
969 }
970
971 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)
972 {
973 ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
974 }
975 else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
976 {
977 if (mac_addr)
978 memcpy(param->sta_addr, (void *)mac_addr, ETH_ALEN);
979
980 ret = rtw_cfg80211_ap_set_encryption(ndev, param, param_len);
981 }
982 else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true
983 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)
984 {
985 ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
986 }
987
988 addkey_end:
989 kfree(param);
990
991 return ret;
992
993 }
994
cfg80211_rtw_get_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr,void * cookie,void (* callback)(void * cookie,struct key_params *))995 static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev,
996 u8 key_index, bool pairwise, const u8 *mac_addr,
997 void *cookie,
998 void (*callback)(void *cookie,
999 struct key_params*))
1000 {
1001 return 0;
1002 }
1003
cfg80211_rtw_del_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr)1004 static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
1005 u8 key_index, bool pairwise, const u8 *mac_addr)
1006 {
1007 struct adapter *padapter = rtw_netdev_priv(ndev);
1008 struct security_priv *psecuritypriv = &padapter->securitypriv;
1009
1010 if (key_index == psecuritypriv->dot11PrivacyKeyIndex)
1011 {
1012 /* clear the flag of wep default key set. */
1013 psecuritypriv->bWepDefaultKeyIdxSet = 0;
1014 }
1015
1016 return 0;
1017 }
1018
cfg80211_rtw_set_default_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool unicast,bool multicast)1019 static int cfg80211_rtw_set_default_key(struct wiphy *wiphy,
1020 struct net_device *ndev, u8 key_index
1021 , bool unicast, bool multicast
1022 )
1023 {
1024 struct adapter *padapter = rtw_netdev_priv(ndev);
1025 struct security_priv *psecuritypriv = &padapter->securitypriv;
1026
1027 if ((key_index < WEP_KEYS) && ((psecuritypriv->dot11PrivacyAlgrthm == _WEP40_) || (psecuritypriv->dot11PrivacyAlgrthm == _WEP104_))) /* set wep default key */
1028 {
1029 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
1030
1031 psecuritypriv->dot11PrivacyKeyIndex = key_index;
1032
1033 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
1034 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
1035 if (psecuritypriv->dot11DefKeylen[key_index] == 13)
1036 {
1037 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
1038 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
1039 }
1040
1041 psecuritypriv->bWepDefaultKeyIdxSet = 1; /* set the flag to represent that wep default key has been set */
1042 }
1043
1044 return 0;
1045
1046 }
1047
cfg80211_rtw_get_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_info * sinfo)1048 static int cfg80211_rtw_get_station(struct wiphy *wiphy,
1049 struct net_device *ndev,
1050 const u8 *mac,
1051 struct station_info *sinfo)
1052 {
1053 int ret = 0;
1054 struct adapter *padapter = rtw_netdev_priv(ndev);
1055 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1056 struct sta_info *psta = NULL;
1057 struct sta_priv *pstapriv = &padapter->stapriv;
1058
1059 sinfo->filled = 0;
1060
1061 if (!mac) {
1062 ret = -ENOENT;
1063 goto exit;
1064 }
1065
1066 psta = rtw_get_stainfo(pstapriv, (u8 *)mac);
1067 if (!psta) {
1068 ret = -ENOENT;
1069 goto exit;
1070 }
1071
1072 /* for infra./P2PClient mode */
1073 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
1074 && check_fwstate(pmlmepriv, _FW_LINKED)
1075 )
1076 {
1077 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1078
1079 if (memcmp((u8 *)mac, cur_network->network.mac_address, ETH_ALEN)) {
1080 ret = -ENOENT;
1081 goto exit;
1082 }
1083
1084 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1085 sinfo->signal = translate_percentage_to_dbm(padapter->recvpriv.signal_strength);
1086
1087 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1088 sinfo->txrate.legacy = rtw_get_cur_max_rate(padapter);
1089
1090 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
1091 sinfo->rx_packets = sta_rx_data_pkts(psta);
1092
1093 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
1094 sinfo->tx_packets = psta->sta_stats.tx_pkts;
1095 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1096 }
1097
1098 /* for Ad-Hoc/AP mode */
1099 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)
1100 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)
1101 || check_fwstate(pmlmepriv, WIFI_AP_STATE))
1102 && check_fwstate(pmlmepriv, _FW_LINKED)
1103 )
1104 {
1105 /* TODO: should acquire station info... */
1106 }
1107
1108 exit:
1109 return ret;
1110 }
1111
cfg80211_rtw_change_iface(struct wiphy * wiphy,struct net_device * ndev,enum nl80211_iftype type,struct vif_params * params)1112 static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
1113 struct net_device *ndev,
1114 enum nl80211_iftype type,
1115 struct vif_params *params)
1116 {
1117 enum nl80211_iftype old_type;
1118 enum ndis_802_11_network_infrastructure networkType;
1119 struct adapter *padapter = rtw_netdev_priv(ndev);
1120 struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1121 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1122 int ret = 0;
1123
1124 if (adapter_to_dvobj(padapter)->processing_dev_remove == true)
1125 {
1126 ret = -EPERM;
1127 goto exit;
1128 }
1129
1130 {
1131 if (netdev_open(ndev) != 0) {
1132 ret = -EPERM;
1133 goto exit;
1134 }
1135 }
1136
1137 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1138 ret = -EPERM;
1139 goto exit;
1140 }
1141
1142 old_type = rtw_wdev->iftype;
1143
1144 if (old_type != type)
1145 {
1146 pmlmeext->action_public_rxseq = 0xffff;
1147 pmlmeext->action_public_dialog_token = 0xff;
1148 }
1149
1150 switch (type) {
1151 case NL80211_IFTYPE_ADHOC:
1152 networkType = Ndis802_11IBSS;
1153 break;
1154 case NL80211_IFTYPE_STATION:
1155 networkType = Ndis802_11Infrastructure;
1156 break;
1157 case NL80211_IFTYPE_AP:
1158 networkType = Ndis802_11APMode;
1159 break;
1160 default:
1161 ret = -EOPNOTSUPP;
1162 goto exit;
1163 }
1164
1165 rtw_wdev->iftype = type;
1166
1167 if (rtw_set_802_11_infrastructure_mode(padapter, networkType) == false)
1168 {
1169 rtw_wdev->iftype = old_type;
1170 ret = -EPERM;
1171 goto exit;
1172 }
1173
1174 rtw_setopmode_cmd(padapter, networkType, true);
1175
1176 exit:
1177
1178 return ret;
1179 }
1180
rtw_cfg80211_indicate_scan_done(struct adapter * adapter,bool aborted)1181 void rtw_cfg80211_indicate_scan_done(struct adapter *adapter, bool aborted)
1182 {
1183 struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
1184 struct cfg80211_scan_info info = {
1185 .aborted = aborted
1186 };
1187
1188 spin_lock_bh(&pwdev_priv->scan_req_lock);
1189 if (pwdev_priv->scan_request) {
1190 /* avoid WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); */
1191 if (pwdev_priv->scan_request->wiphy == pwdev_priv->rtw_wdev->wiphy)
1192 cfg80211_scan_done(pwdev_priv->scan_request, &info);
1193
1194 pwdev_priv->scan_request = NULL;
1195 }
1196 spin_unlock_bh(&pwdev_priv->scan_req_lock);
1197 }
1198
rtw_cfg80211_unlink_bss(struct adapter * padapter,struct wlan_network * pnetwork)1199 void rtw_cfg80211_unlink_bss(struct adapter *padapter, struct wlan_network *pnetwork)
1200 {
1201 struct wireless_dev *pwdev = padapter->rtw_wdev;
1202 struct wiphy *wiphy = pwdev->wiphy;
1203 struct cfg80211_bss *bss = NULL;
1204 struct wlan_bssid_ex *select_network = &pnetwork->network;
1205
1206 bss = cfg80211_get_bss(wiphy, NULL/*notify_channel*/,
1207 select_network->mac_address, select_network->ssid.ssid,
1208 select_network->ssid.ssid_length, 0/*WLAN_CAPABILITY_ESS*/,
1209 0/*WLAN_CAPABILITY_ESS*/);
1210
1211 if (bss) {
1212 cfg80211_unlink_bss(wiphy, bss);
1213 cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
1214 }
1215 }
1216
rtw_cfg80211_surveydone_event_callback(struct adapter * padapter)1217 void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
1218 {
1219 struct list_head *plist, *phead;
1220 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1221 struct __queue *queue = &(pmlmepriv->scanned_queue);
1222 struct wlan_network *pnetwork = NULL;
1223
1224 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1225
1226 phead = get_list_head(queue);
1227 list_for_each(plist, phead)
1228 {
1229 pnetwork = list_entry(plist, struct wlan_network, list);
1230
1231 /* report network only if the current channel set contains the channel to which this network belongs */
1232 if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.configuration.ds_config) >= 0
1233 && true == rtw_validate_ssid(&(pnetwork->network.ssid))
1234 )
1235 {
1236 /* ev =translate_scan(padapter, a, pnetwork, ev, stop); */
1237 rtw_cfg80211_inform_bss(padapter, pnetwork);
1238 }
1239
1240 }
1241
1242 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1243 }
1244
rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter * padapter,char * buf,int len)1245 static int rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter *padapter, char *buf, int len)
1246 {
1247 int ret = 0;
1248 uint wps_ielen = 0;
1249 u8 *wps_ie;
1250 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1251
1252 if (len > 0)
1253 {
1254 wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen);
1255 if (wps_ie)
1256 {
1257 if (pmlmepriv->wps_probe_req_ie)
1258 {
1259 pmlmepriv->wps_probe_req_ie_len = 0;
1260 kfree(pmlmepriv->wps_probe_req_ie);
1261 pmlmepriv->wps_probe_req_ie = NULL;
1262 }
1263
1264 pmlmepriv->wps_probe_req_ie = rtw_malloc(wps_ielen);
1265 if (!pmlmepriv->wps_probe_req_ie)
1266 return -EINVAL;
1267
1268 memcpy(pmlmepriv->wps_probe_req_ie, wps_ie, wps_ielen);
1269 pmlmepriv->wps_probe_req_ie_len = wps_ielen;
1270 }
1271 }
1272
1273 return ret;
1274
1275 }
1276
cfg80211_rtw_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)1277 static int cfg80211_rtw_scan(struct wiphy *wiphy
1278 , struct cfg80211_scan_request *request)
1279 {
1280 struct net_device *ndev = wdev_to_ndev(request->wdev);
1281 int i;
1282 u8 _status = false;
1283 int ret = 0;
1284 struct ndis_802_11_ssid *ssid = NULL;
1285 struct rtw_ieee80211_channel ch[RTW_CHANNEL_SCAN_AMOUNT];
1286 u8 survey_times = 3;
1287 u8 survey_times_for_one_ch = 6;
1288 struct cfg80211_ssid *ssids = request->ssids;
1289 int j = 0;
1290 bool need_indicate_scan_done = false;
1291
1292 struct adapter *padapter;
1293 struct rtw_wdev_priv *pwdev_priv;
1294 struct mlme_priv *pmlmepriv;
1295
1296 if (!ndev) {
1297 ret = -EINVAL;
1298 goto exit;
1299 }
1300
1301 padapter = rtw_netdev_priv(ndev);
1302 pwdev_priv = adapter_wdev_data(padapter);
1303 pmlmepriv = &padapter->mlmepriv;
1304 /* endif */
1305
1306 spin_lock_bh(&pwdev_priv->scan_req_lock);
1307 pwdev_priv->scan_request = request;
1308 spin_unlock_bh(&pwdev_priv->scan_req_lock);
1309
1310 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
1311 {
1312 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS|_FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true)
1313 {
1314 need_indicate_scan_done = true;
1315 goto check_need_indicate_scan_done;
1316 }
1317 }
1318
1319 rtw_ps_deny(padapter, PS_DENY_SCAN);
1320 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1321 need_indicate_scan_done = true;
1322 goto check_need_indicate_scan_done;
1323 }
1324
1325 if (request->ie && request->ie_len > 0)
1326 rtw_cfg80211_set_probe_req_wpsp2pie(padapter, (u8 *)request->ie, request->ie_len);
1327
1328 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
1329 need_indicate_scan_done = true;
1330 goto check_need_indicate_scan_done;
1331 } else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1332 ret = -EBUSY;
1333 goto check_need_indicate_scan_done;
1334 }
1335
1336 if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true)
1337 {
1338 static unsigned long lastscantime = 0;
1339 unsigned long passtime;
1340
1341 passtime = jiffies_to_msecs(jiffies - lastscantime);
1342 lastscantime = jiffies;
1343 if (passtime > 12000)
1344 {
1345 need_indicate_scan_done = true;
1346 goto check_need_indicate_scan_done;
1347 }
1348 }
1349
1350 if (rtw_is_scan_deny(padapter)) {
1351 need_indicate_scan_done = true;
1352 goto check_need_indicate_scan_done;
1353 }
1354
1355 ssid = kzalloc(RTW_SSID_SCAN_AMOUNT * sizeof(struct ndis_802_11_ssid),
1356 GFP_KERNEL);
1357 if (!ssid) {
1358 ret = -ENOMEM;
1359 goto check_need_indicate_scan_done;
1360 }
1361
1362 /* parsing request ssids, n_ssids */
1363 for (i = 0; i < request->n_ssids && i < RTW_SSID_SCAN_AMOUNT; i++) {
1364 memcpy(ssid[i].ssid, ssids[i].ssid, ssids[i].ssid_len);
1365 ssid[i].ssid_length = ssids[i].ssid_len;
1366 }
1367
1368 /* parsing channels, n_channels */
1369 memset(ch, 0, sizeof(struct rtw_ieee80211_channel)*RTW_CHANNEL_SCAN_AMOUNT);
1370 for (i = 0; i < request->n_channels && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
1371 ch[i].hw_value = request->channels[i]->hw_value;
1372 ch[i].flags = request->channels[i]->flags;
1373 }
1374
1375 spin_lock_bh(&pmlmepriv->lock);
1376 if (request->n_channels == 1) {
1377 for (i = 1; i < survey_times_for_one_ch; i++)
1378 memcpy(&ch[i], &ch[0], sizeof(struct rtw_ieee80211_channel));
1379 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times_for_one_ch);
1380 } else if (request->n_channels <= 4) {
1381 for (j = request->n_channels - 1; j >= 0; j--)
1382 for (i = 0; i < survey_times; i++)
1383 {
1384 memcpy(&ch[j*survey_times+i], &ch[j], sizeof(struct rtw_ieee80211_channel));
1385 }
1386 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times * request->n_channels);
1387 } else {
1388 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, NULL, 0);
1389 }
1390 spin_unlock_bh(&pmlmepriv->lock);
1391
1392
1393 if (_status == false)
1394 {
1395 ret = -1;
1396 }
1397
1398 check_need_indicate_scan_done:
1399 kfree(ssid);
1400 if (need_indicate_scan_done)
1401 {
1402 rtw_cfg80211_surveydone_event_callback(padapter);
1403 rtw_cfg80211_indicate_scan_done(padapter, false);
1404 }
1405
1406 rtw_ps_deny_cancel(padapter, PS_DENY_SCAN);
1407
1408 exit:
1409 return ret;
1410
1411 }
1412
cfg80211_rtw_set_wiphy_params(struct wiphy * wiphy,u32 changed)1413 static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1414 {
1415 return 0;
1416 }
1417
rtw_cfg80211_set_wpa_version(struct security_priv * psecuritypriv,u32 wpa_version)1418 static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
1419 {
1420 if (!wpa_version) {
1421 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1422 return 0;
1423 }
1424
1425
1426 if (wpa_version & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1427 {
1428 psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPAPSK;
1429 }
1430
1431 return 0;
1432
1433 }
1434
rtw_cfg80211_set_auth_type(struct security_priv * psecuritypriv,enum nl80211_auth_type sme_auth_type)1435 static int rtw_cfg80211_set_auth_type(struct security_priv *psecuritypriv,
1436 enum nl80211_auth_type sme_auth_type)
1437 {
1438 switch (sme_auth_type) {
1439 case NL80211_AUTHTYPE_AUTOMATIC:
1440
1441 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
1442
1443 break;
1444 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1445
1446 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1447
1448 if (psecuritypriv->ndisauthtype > Ndis802_11AuthModeWPA)
1449 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1450
1451 break;
1452 case NL80211_AUTHTYPE_SHARED_KEY:
1453
1454 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;
1455
1456 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
1457
1458
1459 break;
1460 default:
1461 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1462 /* return -ENOTSUPP; */
1463 }
1464
1465 return 0;
1466
1467 }
1468
rtw_cfg80211_set_cipher(struct security_priv * psecuritypriv,u32 cipher,bool ucast)1469 static int rtw_cfg80211_set_cipher(struct security_priv *psecuritypriv, u32 cipher, bool ucast)
1470 {
1471 u32 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1472
1473 u32 *profile_cipher = ucast ? &psecuritypriv->dot11PrivacyAlgrthm :
1474 &psecuritypriv->dot118021XGrpPrivacy;
1475
1476
1477 if (!cipher) {
1478 *profile_cipher = _NO_PRIVACY_;
1479 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1480 return 0;
1481 }
1482
1483 switch (cipher) {
1484 case IW_AUTH_CIPHER_NONE:
1485 *profile_cipher = _NO_PRIVACY_;
1486 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1487 break;
1488 case WLAN_CIPHER_SUITE_WEP40:
1489 *profile_cipher = _WEP40_;
1490 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1491 break;
1492 case WLAN_CIPHER_SUITE_WEP104:
1493 *profile_cipher = _WEP104_;
1494 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1495 break;
1496 case WLAN_CIPHER_SUITE_TKIP:
1497 *profile_cipher = _TKIP_;
1498 ndisencryptstatus = Ndis802_11Encryption2Enabled;
1499 break;
1500 case WLAN_CIPHER_SUITE_CCMP:
1501 *profile_cipher = _AES_;
1502 ndisencryptstatus = Ndis802_11Encryption3Enabled;
1503 break;
1504 default:
1505 return -ENOTSUPP;
1506 }
1507
1508 if (ucast) {
1509 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1510
1511 /* if (psecuritypriv->dot11PrivacyAlgrthm >= _AES_) */
1512 /* psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPA2PSK; */
1513 }
1514
1515 return 0;
1516 }
1517
rtw_cfg80211_set_key_mgt(struct security_priv * psecuritypriv,u32 key_mgt)1518 static int rtw_cfg80211_set_key_mgt(struct security_priv *psecuritypriv, u32 key_mgt)
1519 {
1520 if (key_mgt == WLAN_AKM_SUITE_8021X)
1521 /* auth_type = UMAC_AUTH_TYPE_8021X; */
1522 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1523 else if (key_mgt == WLAN_AKM_SUITE_PSK) {
1524 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1525 }
1526
1527 return 0;
1528 }
1529
rtw_cfg80211_set_wpa_ie(struct adapter * padapter,u8 * pie,size_t ielen)1530 static int rtw_cfg80211_set_wpa_ie(struct adapter *padapter, u8 *pie, size_t ielen)
1531 {
1532 u8 *buf = NULL;
1533 int group_cipher = 0, pairwise_cipher = 0;
1534 int ret = 0;
1535 int wpa_ielen = 0;
1536 int wpa2_ielen = 0;
1537 u8 *pwpa, *pwpa2;
1538 u8 null_addr[] = {0, 0, 0, 0, 0, 0};
1539
1540 if (!pie || !ielen) {
1541 /* Treat this as normal case, but need to clear WIFI_UNDER_WPS */
1542 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1543 goto exit;
1544 }
1545
1546 if (ielen > MAX_WPA_IE_LEN+MAX_WPS_IE_LEN+MAX_P2P_IE_LEN) {
1547 ret = -EINVAL;
1548 goto exit;
1549 }
1550
1551 buf = rtw_zmalloc(ielen);
1552 if (!buf) {
1553 ret = -ENOMEM;
1554 goto exit;
1555 }
1556
1557 memcpy(buf, pie, ielen);
1558
1559 if (ielen < RSN_HEADER_LEN) {
1560 ret = -1;
1561 goto exit;
1562 }
1563
1564 pwpa = rtw_get_wpa_ie(buf, &wpa_ielen, ielen);
1565 if (pwpa && wpa_ielen > 0) {
1566 if (rtw_parse_wpa_ie(pwpa, wpa_ielen+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1567 padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1568 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
1569 memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen+2);
1570 }
1571 }
1572
1573 pwpa2 = rtw_get_wpa2_ie(buf, &wpa2_ielen, ielen);
1574 if (pwpa2 && wpa2_ielen > 0) {
1575 if (rtw_parse_wpa2_ie(pwpa2, wpa2_ielen+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1576 padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1577 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
1578 memcpy(padapter->securitypriv.supplicant_ie, &pwpa2[0], wpa2_ielen+2);
1579 }
1580 }
1581
1582 if (group_cipher == 0)
1583 group_cipher = WPA_CIPHER_NONE;
1584
1585 if (pairwise_cipher == 0)
1586 pairwise_cipher = WPA_CIPHER_NONE;
1587
1588 switch (group_cipher)
1589 {
1590 case WPA_CIPHER_NONE:
1591 padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
1592 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1593 break;
1594 case WPA_CIPHER_WEP40:
1595 padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
1596 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1597 break;
1598 case WPA_CIPHER_TKIP:
1599 padapter->securitypriv.dot118021XGrpPrivacy = _TKIP_;
1600 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1601 break;
1602 case WPA_CIPHER_CCMP:
1603 padapter->securitypriv.dot118021XGrpPrivacy = _AES_;
1604 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1605 break;
1606 case WPA_CIPHER_WEP104:
1607 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1608 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1609 break;
1610 }
1611
1612 switch (pairwise_cipher)
1613 {
1614 case WPA_CIPHER_NONE:
1615 padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
1616 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1617 break;
1618 case WPA_CIPHER_WEP40:
1619 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
1620 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1621 break;
1622 case WPA_CIPHER_TKIP:
1623 padapter->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
1624 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1625 break;
1626 case WPA_CIPHER_CCMP:
1627 padapter->securitypriv.dot11PrivacyAlgrthm = _AES_;
1628 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1629 break;
1630 case WPA_CIPHER_WEP104:
1631 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1632 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1633 break;
1634 }
1635
1636 {/* handle wps_ie */
1637 uint wps_ielen;
1638 u8 *wps_ie;
1639
1640 wps_ie = rtw_get_wps_ie(buf, ielen, NULL, &wps_ielen);
1641 if (wps_ie && wps_ielen > 0) {
1642 padapter->securitypriv.wps_ie_len = wps_ielen < MAX_WPS_IE_LEN ? wps_ielen : MAX_WPS_IE_LEN;
1643 memcpy(padapter->securitypriv.wps_ie, wps_ie, padapter->securitypriv.wps_ie_len);
1644 set_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS);
1645 } else {
1646 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1647 }
1648 }
1649
1650 /* TKIP and AES disallow multicast packets until installing group key */
1651 if (padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_
1652 || padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
1653 || padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
1654 /* WPS open need to enable multicast */
1655 /* check_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS) == true) */
1656 rtw_hal_set_hwreg(padapter, HW_VAR_OFF_RCR_AM, null_addr);
1657
1658 exit:
1659 kfree(buf);
1660 if (ret)
1661 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1662 return ret;
1663 }
1664
cfg80211_rtw_join_ibss(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ibss_params * params)1665 static int cfg80211_rtw_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1666 struct cfg80211_ibss_params *params)
1667 {
1668 struct adapter *padapter = rtw_netdev_priv(ndev);
1669 struct ndis_802_11_ssid ndis_ssid;
1670 struct security_priv *psecuritypriv = &padapter->securitypriv;
1671 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1672 int ret = 0;
1673
1674 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1675 ret = -EPERM;
1676 goto exit;
1677 }
1678
1679 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1680 ret = -EPERM;
1681 goto exit;
1682 }
1683
1684 if (!params->ssid || !params->ssid_len) {
1685 ret = -EINVAL;
1686 goto exit;
1687 }
1688
1689 if (params->ssid_len > IW_ESSID_MAX_SIZE) {
1690
1691 ret = -E2BIG;
1692 goto exit;
1693 }
1694
1695 memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1696 ndis_ssid.ssid_length = params->ssid_len;
1697 memcpy(ndis_ssid.ssid, (u8 *)params->ssid, params->ssid_len);
1698
1699 psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1700 psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1701 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1702 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1703 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1704
1705 ret = rtw_cfg80211_set_auth_type(psecuritypriv, NL80211_AUTHTYPE_OPEN_SYSTEM);
1706 rtw_set_802_11_authentication_mode(padapter, psecuritypriv->ndisauthtype);
1707
1708 if (rtw_set_802_11_ssid(padapter, &ndis_ssid) == false) {
1709 ret = -1;
1710 goto exit;
1711 }
1712
1713 exit:
1714 return ret;
1715 }
1716
cfg80211_rtw_leave_ibss(struct wiphy * wiphy,struct net_device * ndev)1717 static int cfg80211_rtw_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1718 {
1719 struct adapter *padapter = rtw_netdev_priv(ndev);
1720 struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1721 enum nl80211_iftype old_type;
1722 int ret = 0;
1723
1724 old_type = rtw_wdev->iftype;
1725
1726 rtw_set_to_roam(padapter, 0);
1727
1728 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
1729 rtw_scan_abort(padapter);
1730 LeaveAllPowerSaveMode(padapter);
1731
1732 rtw_wdev->iftype = NL80211_IFTYPE_STATION;
1733
1734 if (rtw_set_802_11_infrastructure_mode(padapter, Ndis802_11Infrastructure) == false)
1735 {
1736 rtw_wdev->iftype = old_type;
1737 ret = -EPERM;
1738 goto leave_ibss;
1739 }
1740 rtw_setopmode_cmd(padapter, Ndis802_11Infrastructure, true);
1741 }
1742
1743 leave_ibss:
1744 return ret;
1745 }
1746
cfg80211_rtw_connect(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_connect_params * sme)1747 static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev,
1748 struct cfg80211_connect_params *sme)
1749 {
1750 int ret = 0;
1751 enum ndis_802_11_authentication_mode authmode;
1752 struct ndis_802_11_ssid ndis_ssid;
1753 struct adapter *padapter = rtw_netdev_priv(ndev);
1754 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1755 struct security_priv *psecuritypriv = &padapter->securitypriv;
1756
1757 padapter->mlmepriv.not_indic_disco = true;
1758
1759
1760 if (adapter_wdev_data(padapter)->block == true) {
1761 ret = -EBUSY;
1762 goto exit;
1763 }
1764
1765 rtw_ps_deny(padapter, PS_DENY_JOIN);
1766 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1767 ret = -EPERM;
1768 goto exit;
1769 }
1770
1771 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1772 ret = -EPERM;
1773 goto exit;
1774 }
1775
1776 if (!sme->ssid || !sme->ssid_len) {
1777 ret = -EINVAL;
1778 goto exit;
1779 }
1780
1781 if (sme->ssid_len > IW_ESSID_MAX_SIZE) {
1782
1783 ret = -E2BIG;
1784 goto exit;
1785 }
1786
1787 memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1788 ndis_ssid.ssid_length = sme->ssid_len;
1789 memcpy(ndis_ssid.ssid, (u8 *)sme->ssid, sme->ssid_len);
1790
1791 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1792 ret = -EBUSY;
1793 goto exit;
1794 }
1795 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
1796 rtw_scan_abort(padapter);
1797 }
1798
1799 psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1800 psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1801 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1802 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1803 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1804
1805 ret = rtw_cfg80211_set_wpa_version(psecuritypriv, sme->crypto.wpa_versions);
1806 if (ret < 0)
1807 goto exit;
1808
1809 ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme->auth_type);
1810
1811 if (ret < 0)
1812 goto exit;
1813
1814 ret = rtw_cfg80211_set_wpa_ie(padapter, (u8 *)sme->ie, sme->ie_len);
1815 if (ret < 0)
1816 goto exit;
1817
1818 if (sme->crypto.n_ciphers_pairwise) {
1819 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.ciphers_pairwise[0], true);
1820 if (ret < 0)
1821 goto exit;
1822 }
1823
1824 /* For WEP Shared auth */
1825 if ((psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Shared ||
1826 psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Auto) && sme->key) {
1827 u32 wep_key_idx, wep_key_len, wep_total_len;
1828 struct ndis_802_11_wep *pwep = NULL;
1829
1830 wep_key_idx = sme->key_idx;
1831 wep_key_len = sme->key_len;
1832
1833 if (sme->key_idx > WEP_KEYS) {
1834 ret = -EINVAL;
1835 goto exit;
1836 }
1837
1838 if (wep_key_len > 0) {
1839 wep_key_len = wep_key_len <= 5 ? 5 : 13;
1840 wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, key_material);
1841 pwep = rtw_malloc(wep_total_len);
1842 if (!pwep) {
1843 ret = -ENOMEM;
1844 goto exit;
1845 }
1846
1847 memset(pwep, 0, wep_total_len);
1848
1849 pwep->key_length = wep_key_len;
1850 pwep->length = wep_total_len;
1851
1852 if (wep_key_len == 13) {
1853 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1854 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1855 }
1856 } else {
1857 ret = -EINVAL;
1858 goto exit;
1859 }
1860
1861 pwep->key_index = wep_key_idx;
1862 pwep->key_index |= 0x80000000;
1863
1864 memcpy(pwep->key_material, (void *)sme->key, pwep->key_length);
1865
1866 if (rtw_set_802_11_add_wep(padapter, pwep) == (u8)_FAIL)
1867 ret = -EOPNOTSUPP;
1868
1869 kfree(pwep);
1870
1871 if (ret < 0)
1872 goto exit;
1873 }
1874
1875 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.cipher_group, false);
1876 if (ret < 0)
1877 return ret;
1878
1879 if (sme->crypto.n_akm_suites) {
1880 ret = rtw_cfg80211_set_key_mgt(psecuritypriv, sme->crypto.akm_suites[0]);
1881 if (ret < 0)
1882 goto exit;
1883 }
1884
1885 authmode = psecuritypriv->ndisauthtype;
1886 rtw_set_802_11_authentication_mode(padapter, authmode);
1887
1888 /* rtw_set_802_11_encryption_mode(padapter, padapter->securitypriv.ndisencryptstatus); */
1889
1890 if (rtw_set_802_11_connect(padapter, (u8 *)sme->bssid, &ndis_ssid) == false) {
1891 ret = -1;
1892 goto exit;
1893 }
1894
1895 exit:
1896
1897 rtw_ps_deny_cancel(padapter, PS_DENY_JOIN);
1898
1899 padapter->mlmepriv.not_indic_disco = false;
1900
1901 return ret;
1902 }
1903
cfg80211_rtw_disconnect(struct wiphy * wiphy,struct net_device * ndev,u16 reason_code)1904 static int cfg80211_rtw_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1905 u16 reason_code)
1906 {
1907 struct adapter *padapter = rtw_netdev_priv(ndev);
1908
1909 rtw_set_to_roam(padapter, 0);
1910
1911 rtw_scan_abort(padapter);
1912 LeaveAllPowerSaveMode(padapter);
1913 rtw_disassoc_cmd(padapter, 500, false);
1914
1915 rtw_indicate_disconnect(padapter);
1916
1917 rtw_free_assoc_resources(padapter, 1);
1918 rtw_pwr_wakeup(padapter);
1919
1920 return 0;
1921 }
1922
cfg80211_rtw_set_txpower(struct wiphy * wiphy,struct wireless_dev * wdev,enum nl80211_tx_power_setting type,int mbm)1923 static int cfg80211_rtw_set_txpower(struct wiphy *wiphy,
1924 struct wireless_dev *wdev,
1925 enum nl80211_tx_power_setting type, int mbm)
1926 {
1927 return 0;
1928 }
1929
cfg80211_rtw_get_txpower(struct wiphy * wiphy,struct wireless_dev * wdev,int * dbm)1930 static int cfg80211_rtw_get_txpower(struct wiphy *wiphy,
1931 struct wireless_dev *wdev,
1932 int *dbm)
1933 {
1934 *dbm = (12);
1935
1936 return 0;
1937 }
1938
rtw_cfg80211_pwr_mgmt(struct adapter * adapter)1939 inline bool rtw_cfg80211_pwr_mgmt(struct adapter *adapter)
1940 {
1941 struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(adapter);
1942 return rtw_wdev_priv->power_mgmt;
1943 }
1944
cfg80211_rtw_set_power_mgmt(struct wiphy * wiphy,struct net_device * ndev,bool enabled,int timeout)1945 static int cfg80211_rtw_set_power_mgmt(struct wiphy *wiphy,
1946 struct net_device *ndev,
1947 bool enabled, int timeout)
1948 {
1949 struct adapter *padapter = rtw_netdev_priv(ndev);
1950 struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(padapter);
1951
1952 rtw_wdev_priv->power_mgmt = enabled;
1953
1954 if (!enabled)
1955 LPS_Leave(padapter, "CFG80211_PWRMGMT");
1956
1957 return 0;
1958 }
1959
cfg80211_rtw_set_pmksa(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_pmksa * pmksa)1960 static int cfg80211_rtw_set_pmksa(struct wiphy *wiphy,
1961 struct net_device *ndev,
1962 struct cfg80211_pmksa *pmksa)
1963 {
1964 u8 index, blInserted = false;
1965 struct adapter *padapter = rtw_netdev_priv(ndev);
1966 struct security_priv *psecuritypriv = &padapter->securitypriv;
1967 u8 strZeroMacAddress[ETH_ALEN] = { 0x00 };
1968
1969 if (!memcmp((u8 *)pmksa->bssid, strZeroMacAddress, ETH_ALEN))
1970 return -EINVAL;
1971
1972 blInserted = false;
1973
1974 /* overwrite PMKID */
1975 for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
1976 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
1977
1978 memcpy(psecuritypriv->PMKIDList[index].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
1979 psecuritypriv->PMKIDList[index].bUsed = true;
1980 psecuritypriv->PMKIDIndex = index+1;
1981 blInserted = true;
1982 break;
1983 }
1984 }
1985
1986 if (!blInserted) {
1987
1988 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].Bssid, (u8 *)pmksa->bssid, ETH_ALEN);
1989 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
1990
1991 psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].bUsed = true;
1992 psecuritypriv->PMKIDIndex++;
1993 if (psecuritypriv->PMKIDIndex == 16)
1994 psecuritypriv->PMKIDIndex = 0;
1995 }
1996
1997 return 0;
1998 }
1999
cfg80211_rtw_del_pmksa(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_pmksa * pmksa)2000 static int cfg80211_rtw_del_pmksa(struct wiphy *wiphy,
2001 struct net_device *ndev,
2002 struct cfg80211_pmksa *pmksa)
2003 {
2004 u8 index, bMatched = false;
2005 struct adapter *padapter = rtw_netdev_priv(ndev);
2006 struct security_priv *psecuritypriv = &padapter->securitypriv;
2007
2008 for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
2009 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
2010 /*
2011 * BSSID is matched, the same AP => Remove this PMKID information
2012 * and reset it.
2013 */
2014 eth_zero_addr(psecuritypriv->PMKIDList[index].Bssid);
2015 memset(psecuritypriv->PMKIDList[index].PMKID, 0x00, WLAN_PMKID_LEN);
2016 psecuritypriv->PMKIDList[index].bUsed = false;
2017 bMatched = true;
2018 break;
2019 }
2020 }
2021
2022 if (!bMatched)
2023 return -EINVAL;
2024
2025 return 0;
2026 }
2027
cfg80211_rtw_flush_pmksa(struct wiphy * wiphy,struct net_device * ndev)2028 static int cfg80211_rtw_flush_pmksa(struct wiphy *wiphy,
2029 struct net_device *ndev)
2030 {
2031 struct adapter *padapter = rtw_netdev_priv(ndev);
2032 struct security_priv *psecuritypriv = &padapter->securitypriv;
2033
2034 memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
2035 psecuritypriv->PMKIDIndex = 0;
2036
2037 return 0;
2038 }
2039
rtw_cfg80211_indicate_sta_assoc(struct adapter * padapter,u8 * pmgmt_frame,uint frame_len)2040 void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame, uint frame_len)
2041 {
2042 struct net_device *ndev = padapter->pnetdev;
2043
2044 {
2045 struct station_info sinfo = {};
2046 u8 ie_offset;
2047 if (GetFrameSubType(pmgmt_frame) == WIFI_ASSOCREQ)
2048 ie_offset = _ASOCREQ_IE_OFFSET_;
2049 else /* WIFI_REASSOCREQ */
2050 ie_offset = _REASOCREQ_IE_OFFSET_;
2051
2052 sinfo.filled = 0;
2053 sinfo.assoc_req_ies = pmgmt_frame + WLAN_HDR_A3_LEN + ie_offset;
2054 sinfo.assoc_req_ies_len = frame_len - WLAN_HDR_A3_LEN - ie_offset;
2055 cfg80211_new_sta(ndev, GetAddr2Ptr(pmgmt_frame), &sinfo, GFP_ATOMIC);
2056 }
2057 }
2058
rtw_cfg80211_indicate_sta_disassoc(struct adapter * padapter,unsigned char * da,unsigned short reason)2059 void rtw_cfg80211_indicate_sta_disassoc(struct adapter *padapter, unsigned char *da, unsigned short reason)
2060 {
2061 struct net_device *ndev = padapter->pnetdev;
2062
2063 cfg80211_del_sta(ndev, da, GFP_ATOMIC);
2064 }
2065
rtw_get_chan_type(struct adapter * adapter)2066 static u8 rtw_get_chan_type(struct adapter *adapter)
2067 {
2068 struct mlme_ext_priv *mlme_ext = &adapter->mlmeextpriv;
2069
2070 switch (mlme_ext->cur_bwmode) {
2071 case CHANNEL_WIDTH_20:
2072 if (is_supported_ht(adapter->registrypriv.wireless_mode))
2073 return NL80211_CHAN_HT20;
2074 else
2075 return NL80211_CHAN_NO_HT;
2076 case CHANNEL_WIDTH_40:
2077 if (mlme_ext->cur_ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
2078 return NL80211_CHAN_HT40PLUS;
2079 else
2080 return NL80211_CHAN_HT40MINUS;
2081 default:
2082 return NL80211_CHAN_HT20;
2083 }
2084
2085 return NL80211_CHAN_HT20;
2086 }
2087
cfg80211_rtw_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id,struct cfg80211_chan_def * chandef)2088 static int cfg80211_rtw_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
2089 unsigned int link_id,
2090 struct cfg80211_chan_def *chandef)
2091 {
2092 struct adapter *adapter = wiphy_to_adapter(wiphy);
2093 struct registry_priv *registrypriv = &adapter->registrypriv;
2094 enum nl80211_channel_type chan_type;
2095 struct ieee80211_channel *chan = NULL;
2096 int channel;
2097 int freq;
2098
2099 if (!adapter->rtw_wdev)
2100 return -ENODEV;
2101
2102 channel = rtw_get_oper_ch(adapter);
2103 if (!channel)
2104 return -ENODATA;
2105
2106 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
2107
2108 chan = ieee80211_get_channel(adapter->rtw_wdev->wiphy, freq);
2109
2110 if (registrypriv->ht_enable) {
2111 chan_type = rtw_get_chan_type(adapter);
2112 cfg80211_chandef_create(chandef, chan, chan_type);
2113 } else {
2114 cfg80211_chandef_create(chandef, chan, NL80211_CHAN_NO_HT);
2115 }
2116
2117 return 0;
2118 }
2119
rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff * skb,struct net_device * ndev)2120 static netdev_tx_t rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
2121 {
2122 int rtap_len;
2123 int qos_len = 0;
2124 int dot11_hdr_len = 24;
2125 int snap_len = 6;
2126 unsigned char *pdata;
2127 u16 frame_control;
2128 unsigned char src_mac_addr[6];
2129 unsigned char dst_mac_addr[6];
2130 struct ieee80211_hdr *dot11_hdr;
2131 struct ieee80211_radiotap_header *rtap_hdr;
2132 struct adapter *padapter = rtw_netdev_priv(ndev);
2133
2134 if (!skb)
2135 goto fail;
2136
2137 if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
2138 goto fail;
2139
2140 rtap_hdr = (struct ieee80211_radiotap_header *)skb->data;
2141 if (unlikely(rtap_hdr->it_version))
2142 goto fail;
2143
2144 rtap_len = ieee80211_get_radiotap_len(skb->data);
2145 if (unlikely(skb->len < rtap_len))
2146 goto fail;
2147
2148 if (rtap_len != 14)
2149 goto fail;
2150
2151 /* Skip the ratio tap header */
2152 skb_pull(skb, rtap_len);
2153
2154 dot11_hdr = (struct ieee80211_hdr *)skb->data;
2155 frame_control = le16_to_cpu(dot11_hdr->frame_control);
2156 /* Check if the QoS bit is set */
2157 if ((frame_control & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
2158 /* Check if this ia a Wireless Distribution System (WDS) frame
2159 * which has 4 MAC addresses
2160 */
2161 if (frame_control & 0x0080)
2162 qos_len = 2;
2163 if ((frame_control & 0x0300) == 0x0300)
2164 dot11_hdr_len += 6;
2165
2166 memcpy(dst_mac_addr, dot11_hdr->addr1, sizeof(dst_mac_addr));
2167 memcpy(src_mac_addr, dot11_hdr->addr2, sizeof(src_mac_addr));
2168
2169 /* Skip the 802.11 header, QoS (if any) and SNAP, but leave spaces for
2170 * two MAC addresses
2171 */
2172 skb_pull(skb, dot11_hdr_len + qos_len + snap_len - sizeof(src_mac_addr) * 2);
2173 pdata = (unsigned char *)skb->data;
2174 memcpy(pdata, dst_mac_addr, sizeof(dst_mac_addr));
2175 memcpy(pdata + sizeof(dst_mac_addr), src_mac_addr, sizeof(src_mac_addr));
2176
2177 /* Use the real net device to transmit the packet */
2178 return _rtw_xmit_entry(skb, padapter->pnetdev);
2179
2180 } else if ((frame_control & (IEEE80211_FCTL_FTYPE|IEEE80211_FCTL_STYPE)) ==
2181 (IEEE80211_FTYPE_MGMT|IEEE80211_STYPE_ACTION)) {
2182 /* only for action frames */
2183 struct xmit_frame *pmgntframe;
2184 struct pkt_attrib *pattrib;
2185 unsigned char *pframe;
2186 /* u8 category, action, OUI_Subtype, dialogToken = 0; */
2187 /* unsigned char *frame_body; */
2188 struct ieee80211_hdr *pwlanhdr;
2189 struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2190 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2191 u8 *buf = skb->data;
2192 u32 len = skb->len;
2193 u8 category, action;
2194
2195 if (rtw_action_frame_parse(buf, len, &category, &action) == false)
2196 goto fail;
2197
2198 /* starting alloc mgmt frame to dump it */
2199 pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2200 if (!pmgntframe)
2201 goto fail;
2202
2203 /* update attribute */
2204 pattrib = &pmgntframe->attrib;
2205 update_mgntframe_attrib(padapter, pattrib);
2206 pattrib->retry_ctrl = false;
2207
2208 memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2209
2210 pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2211
2212 memcpy(pframe, (void *)buf, len);
2213 pattrib->pktlen = len;
2214
2215 pwlanhdr = (struct ieee80211_hdr *)pframe;
2216 /* update seq number */
2217 pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2218 pattrib->seqnum = pmlmeext->mgnt_seq;
2219 pmlmeext->mgnt_seq++;
2220
2221
2222 pattrib->last_txcmdsz = pattrib->pktlen;
2223
2224 dump_mgntframe(padapter, pmgntframe);
2225
2226 }
2227
2228 fail:
2229
2230 dev_kfree_skb_any(skb);
2231
2232 return NETDEV_TX_OK;
2233
2234 }
2235
2236
2237
2238 static const struct net_device_ops rtw_cfg80211_monitor_if_ops = {
2239 .ndo_start_xmit = rtw_cfg80211_monitor_if_xmit_entry,
2240 };
2241
rtw_cfg80211_add_monitor_if(struct adapter * padapter,char * name,struct net_device ** ndev)2242 static int rtw_cfg80211_add_monitor_if(struct adapter *padapter, char *name, struct net_device **ndev)
2243 {
2244 int ret = 0;
2245 struct net_device *mon_ndev = NULL;
2246 struct wireless_dev *mon_wdev = NULL;
2247 struct rtw_netdev_priv_indicator *pnpi;
2248 struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
2249
2250 if (!name) {
2251 ret = -EINVAL;
2252 goto out;
2253 }
2254
2255 if (pwdev_priv->pmon_ndev) {
2256 ret = -EBUSY;
2257 goto out;
2258 }
2259
2260 mon_ndev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2261 if (!mon_ndev) {
2262 ret = -ENOMEM;
2263 goto out;
2264 }
2265
2266 mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP;
2267 strncpy(mon_ndev->name, name, IFNAMSIZ);
2268 mon_ndev->name[IFNAMSIZ - 1] = 0;
2269 mon_ndev->needs_free_netdev = true;
2270 mon_ndev->priv_destructor = rtw_ndev_destructor;
2271
2272 mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops;
2273
2274 pnpi = netdev_priv(mon_ndev);
2275 pnpi->priv = padapter;
2276 pnpi->sizeof_priv = sizeof(struct adapter);
2277
2278 /* wdev */
2279 mon_wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2280 if (!mon_wdev) {
2281 ret = -ENOMEM;
2282 goto out;
2283 }
2284
2285 mon_wdev->wiphy = padapter->rtw_wdev->wiphy;
2286 mon_wdev->netdev = mon_ndev;
2287 mon_wdev->iftype = NL80211_IFTYPE_MONITOR;
2288 mon_ndev->ieee80211_ptr = mon_wdev;
2289
2290 ret = cfg80211_register_netdevice(mon_ndev);
2291 if (ret) {
2292 goto out;
2293 }
2294
2295 *ndev = pwdev_priv->pmon_ndev = mon_ndev;
2296 memcpy(pwdev_priv->ifname_mon, name, IFNAMSIZ+1);
2297
2298 out:
2299 if (ret && mon_wdev) {
2300 kfree(mon_wdev);
2301 mon_wdev = NULL;
2302 }
2303
2304 if (ret && mon_ndev) {
2305 free_netdev(mon_ndev);
2306 *ndev = mon_ndev = NULL;
2307 }
2308
2309 return ret;
2310 }
2311
2312 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)2313 cfg80211_rtw_add_virtual_intf(
2314 struct wiphy *wiphy,
2315 const char *name,
2316 unsigned char name_assign_type,
2317 enum nl80211_iftype type, struct vif_params *params)
2318 {
2319 int ret = 0;
2320 struct net_device *ndev = NULL;
2321 struct adapter *padapter = wiphy_to_adapter(wiphy);
2322
2323 switch (type) {
2324 case NL80211_IFTYPE_ADHOC:
2325 case NL80211_IFTYPE_AP_VLAN:
2326 case NL80211_IFTYPE_WDS:
2327 case NL80211_IFTYPE_MESH_POINT:
2328 ret = -ENODEV;
2329 break;
2330 case NL80211_IFTYPE_MONITOR:
2331 ret = rtw_cfg80211_add_monitor_if(padapter, (char *)name, &ndev);
2332 break;
2333 case NL80211_IFTYPE_P2P_CLIENT:
2334 case NL80211_IFTYPE_STATION:
2335 ret = -ENODEV;
2336 break;
2337 case NL80211_IFTYPE_P2P_GO:
2338 case NL80211_IFTYPE_AP:
2339 ret = -ENODEV;
2340 break;
2341 default:
2342 ret = -ENODEV;
2343 break;
2344 }
2345
2346 return ndev ? ndev->ieee80211_ptr : ERR_PTR(ret);
2347 }
2348
cfg80211_rtw_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)2349 static int cfg80211_rtw_del_virtual_intf(struct wiphy *wiphy,
2350 struct wireless_dev *wdev
2351 )
2352 {
2353 struct net_device *ndev = wdev_to_ndev(wdev);
2354 int ret = 0;
2355 struct adapter *adapter;
2356 struct rtw_wdev_priv *pwdev_priv;
2357
2358 if (!ndev) {
2359 ret = -EINVAL;
2360 goto exit;
2361 }
2362
2363 adapter = rtw_netdev_priv(ndev);
2364 pwdev_priv = adapter_wdev_data(adapter);
2365
2366 cfg80211_unregister_netdevice(ndev);
2367
2368 if (ndev == pwdev_priv->pmon_ndev) {
2369 pwdev_priv->pmon_ndev = NULL;
2370 pwdev_priv->ifname_mon[0] = '\0';
2371 }
2372
2373 exit:
2374 return ret;
2375 }
2376
rtw_add_beacon(struct adapter * adapter,const u8 * head,size_t head_len,const u8 * tail,size_t tail_len)2377 static int rtw_add_beacon(struct adapter *adapter, const u8 *head, size_t head_len, const u8 *tail, size_t tail_len)
2378 {
2379 int ret = 0;
2380 u8 *pbuf = NULL;
2381 uint len, wps_ielen = 0;
2382 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
2383
2384 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
2385 return -EINVAL;
2386
2387 if (head_len < 24)
2388 return -EINVAL;
2389
2390 pbuf = rtw_zmalloc(head_len+tail_len);
2391 if (!pbuf)
2392 return -ENOMEM;
2393
2394 memcpy(pbuf, (void *)head+24, head_len-24);/* 24 =beacon header len. */
2395 memcpy(pbuf+head_len-24, (void *)tail, tail_len);
2396
2397 len = head_len+tail_len-24;
2398
2399 /* check wps ie if inclued */
2400 rtw_get_wps_ie(pbuf + _FIXED_IE_LENGTH_, len - _FIXED_IE_LENGTH_, NULL, &wps_ielen);
2401
2402 /* pbss_network->ies will not include p2p_ie, wfd ie */
2403 rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, P2P_OUI, 4);
2404 rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, WFD_OUI, 4);
2405
2406 if (rtw_check_beacon_data(adapter, pbuf, len) == _SUCCESS) {
2407 ret = 0;
2408 } else {
2409 ret = -EINVAL;
2410 }
2411
2412
2413 kfree(pbuf);
2414
2415 return ret;
2416 }
2417
cfg80211_rtw_start_ap(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ap_settings * settings)2418 static int cfg80211_rtw_start_ap(struct wiphy *wiphy, struct net_device *ndev,
2419 struct cfg80211_ap_settings *settings)
2420 {
2421 int ret = 0;
2422 struct adapter *adapter = rtw_netdev_priv(ndev);
2423
2424 ret = rtw_add_beacon(adapter, settings->beacon.head, settings->beacon.head_len,
2425 settings->beacon.tail, settings->beacon.tail_len);
2426
2427 adapter->mlmeextpriv.mlmext_info.hidden_ssid_mode = settings->hidden_ssid;
2428
2429 if (settings->ssid && settings->ssid_len) {
2430 struct wlan_bssid_ex *pbss_network = &adapter->mlmepriv.cur_network.network;
2431 struct wlan_bssid_ex *pbss_network_ext = &adapter->mlmeextpriv.mlmext_info.network;
2432
2433 memcpy(pbss_network->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
2434 pbss_network->ssid.ssid_length = settings->ssid_len;
2435 memcpy(pbss_network_ext->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
2436 pbss_network_ext->ssid.ssid_length = settings->ssid_len;
2437 }
2438
2439 return ret;
2440 }
2441
cfg80211_rtw_change_beacon(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_beacon_data * info)2442 static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
2443 struct cfg80211_beacon_data *info)
2444 {
2445 struct adapter *adapter = rtw_netdev_priv(ndev);
2446
2447 return rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);
2448 }
2449
cfg80211_rtw_stop_ap(struct wiphy * wiphy,struct net_device * ndev,unsigned int link_id)2450 static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev,
2451 unsigned int link_id)
2452 {
2453 return 0;
2454 }
2455
cfg80211_rtw_add_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_parameters * params)2456 static int cfg80211_rtw_add_station(struct wiphy *wiphy, struct net_device *ndev,
2457 const u8 *mac,
2458 struct station_parameters *params)
2459 {
2460 return 0;
2461 }
2462
cfg80211_rtw_del_station(struct wiphy * wiphy,struct net_device * ndev,struct station_del_parameters * params)2463 static int cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev,
2464 struct station_del_parameters *params)
2465 {
2466 int ret = 0;
2467 struct list_head *phead, *plist, *tmp;
2468 u8 updated = false;
2469 struct sta_info *psta = NULL;
2470 struct adapter *padapter = rtw_netdev_priv(ndev);
2471 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2472 struct sta_priv *pstapriv = &padapter->stapriv;
2473 const u8 *mac = params->mac;
2474
2475 if (check_fwstate(pmlmepriv, (_FW_LINKED | WIFI_AP_STATE)) != true)
2476 return -EINVAL;
2477
2478 if (!mac) {
2479 flush_all_cam_entry(padapter); /* clear CAM */
2480
2481 rtw_sta_flush(padapter);
2482
2483 return 0;
2484 }
2485
2486 if (mac[0] == 0xff && mac[1] == 0xff &&
2487 mac[2] == 0xff && mac[3] == 0xff &&
2488 mac[4] == 0xff && mac[5] == 0xff) {
2489 return -EINVAL;
2490 }
2491
2492
2493 spin_lock_bh(&pstapriv->asoc_list_lock);
2494
2495 phead = &pstapriv->asoc_list;
2496 /* check asoc_queue */
2497 list_for_each_safe(plist, tmp, phead) {
2498 psta = list_entry(plist, struct sta_info, asoc_list);
2499
2500 if (!memcmp((u8 *)mac, psta->hwaddr, ETH_ALEN)) {
2501 if (psta->dot8021xalg != 1 || psta->bpairwise_key_installed) {
2502 list_del_init(&psta->asoc_list);
2503 pstapriv->asoc_list_cnt--;
2504
2505 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
2506
2507 psta = NULL;
2508
2509 break;
2510 }
2511
2512 }
2513
2514 }
2515
2516 spin_unlock_bh(&pstapriv->asoc_list_lock);
2517
2518 associated_clients_update(padapter, updated);
2519
2520 return ret;
2521
2522 }
2523
cfg80211_rtw_change_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_parameters * params)2524 static int cfg80211_rtw_change_station(struct wiphy *wiphy, struct net_device *ndev,
2525 const u8 *mac, struct station_parameters *params)
2526 {
2527 return 0;
2528 }
2529
rtw_sta_info_get_by_idx(const int idx,struct sta_priv * pstapriv)2530 static struct sta_info *rtw_sta_info_get_by_idx(const int idx, struct sta_priv *pstapriv)
2531
2532 {
2533 struct list_head *phead, *plist;
2534 struct sta_info *psta = NULL;
2535 int i = 0;
2536
2537 phead = &pstapriv->asoc_list;
2538 plist = get_next(phead);
2539
2540 /* check asoc_queue */
2541 while (phead != plist) {
2542 if (idx == i)
2543 psta = container_of(plist, struct sta_info, asoc_list);
2544 plist = get_next(plist);
2545 i++;
2546 }
2547 return psta;
2548 }
2549
cfg80211_rtw_dump_station(struct wiphy * wiphy,struct net_device * ndev,int idx,u8 * mac,struct station_info * sinfo)2550 static int cfg80211_rtw_dump_station(struct wiphy *wiphy, struct net_device *ndev,
2551 int idx, u8 *mac, struct station_info *sinfo)
2552 {
2553
2554 int ret = 0;
2555 struct adapter *padapter = rtw_netdev_priv(ndev);
2556 struct sta_info *psta = NULL;
2557 struct sta_priv *pstapriv = &padapter->stapriv;
2558
2559 spin_lock_bh(&pstapriv->asoc_list_lock);
2560 psta = rtw_sta_info_get_by_idx(idx, pstapriv);
2561 spin_unlock_bh(&pstapriv->asoc_list_lock);
2562 if (NULL == psta) {
2563 ret = -ENOENT;
2564 goto exit;
2565 }
2566 memcpy(mac, psta->hwaddr, ETH_ALEN);
2567 sinfo->filled = BIT_ULL(NL80211_STA_INFO_SIGNAL);
2568 sinfo->signal = psta->rssi;
2569
2570 exit:
2571 return ret;
2572 }
2573
cfg80211_rtw_change_bss(struct wiphy * wiphy,struct net_device * ndev,struct bss_parameters * params)2574 static int cfg80211_rtw_change_bss(struct wiphy *wiphy, struct net_device *ndev,
2575 struct bss_parameters *params)
2576 {
2577 return 0;
2578 }
2579
rtw_cfg80211_rx_action(struct adapter * adapter,u8 * frame,uint frame_len,const char * msg)2580 void rtw_cfg80211_rx_action(struct adapter *adapter, u8 *frame, uint frame_len, const char *msg)
2581 {
2582 s32 freq;
2583 int channel;
2584 u8 category, action;
2585
2586 channel = rtw_get_oper_ch(adapter);
2587
2588 rtw_action_frame_parse(frame, frame_len, &category, &action);
2589
2590 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
2591
2592 rtw_cfg80211_rx_mgmt(adapter, freq, 0, frame, frame_len, GFP_ATOMIC);
2593 }
2594
_cfg80211_rtw_mgmt_tx(struct adapter * padapter,u8 tx_ch,const u8 * buf,size_t len)2595 static int _cfg80211_rtw_mgmt_tx(struct adapter *padapter, u8 tx_ch, const u8 *buf, size_t len)
2596 {
2597 struct xmit_frame *pmgntframe;
2598 struct pkt_attrib *pattrib;
2599 unsigned char *pframe;
2600 int ret = _FAIL;
2601 bool __maybe_unused ack = true;
2602 struct ieee80211_hdr *pwlanhdr;
2603 struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2604 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2605
2606 rtw_set_scan_deny(padapter, 1000);
2607
2608 rtw_scan_abort(padapter);
2609 if (tx_ch != rtw_get_oper_ch(padapter)) {
2610 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED))
2611 pmlmeext->cur_channel = tx_ch;
2612 set_channel_bwmode(padapter, tx_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
2613 }
2614
2615 /* starting alloc mgmt frame to dump it */
2616 pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2617 if (!pmgntframe) {
2618 /* ret = -ENOMEM; */
2619 ret = _FAIL;
2620 goto exit;
2621 }
2622
2623 /* update attribute */
2624 pattrib = &pmgntframe->attrib;
2625 update_mgntframe_attrib(padapter, pattrib);
2626 pattrib->retry_ctrl = false;
2627
2628 memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2629
2630 pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2631
2632 memcpy(pframe, (void *)buf, len);
2633 pattrib->pktlen = len;
2634
2635 pwlanhdr = (struct ieee80211_hdr *)pframe;
2636 /* update seq number */
2637 pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2638 pattrib->seqnum = pmlmeext->mgnt_seq;
2639 pmlmeext->mgnt_seq++;
2640
2641 pattrib->last_txcmdsz = pattrib->pktlen;
2642
2643 if (dump_mgntframe_and_wait_ack(padapter, pmgntframe) != _SUCCESS) {
2644 ack = false;
2645 ret = _FAIL;
2646
2647 } else {
2648 msleep(50);
2649
2650 ret = _SUCCESS;
2651 }
2652
2653 exit:
2654
2655 return ret;
2656
2657 }
2658
cfg80211_rtw_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)2659 static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy,
2660 struct wireless_dev *wdev,
2661 struct cfg80211_mgmt_tx_params *params,
2662 u64 *cookie)
2663 {
2664 struct net_device *ndev = wdev_to_ndev(wdev);
2665 struct ieee80211_channel *chan = params->chan;
2666 const u8 *buf = params->buf;
2667 size_t len = params->len;
2668 int ret = 0;
2669 int tx_ret;
2670 u32 dump_limit = RTW_MAX_MGMT_TX_CNT;
2671 u32 dump_cnt = 0;
2672 bool ack = true;
2673 u8 tx_ch = (u8)ieee80211_frequency_to_channel(chan->center_freq);
2674 u8 category, action;
2675 int type = (-1);
2676 struct adapter *padapter;
2677 struct rtw_wdev_priv *pwdev_priv;
2678
2679 if (!ndev) {
2680 ret = -EINVAL;
2681 goto exit;
2682 }
2683
2684 padapter = rtw_netdev_priv(ndev);
2685 pwdev_priv = adapter_wdev_data(padapter);
2686
2687 /* cookie generation */
2688 *cookie = (unsigned long) buf;
2689
2690 /* indicate ack before issue frame to avoid racing with rsp frame */
2691 rtw_cfg80211_mgmt_tx_status(padapter, *cookie, buf, len, ack, GFP_KERNEL);
2692
2693 if (rtw_action_frame_parse(buf, len, &category, &action) == false)
2694 goto exit;
2695
2696 rtw_ps_deny(padapter, PS_DENY_MGNT_TX);
2697 if (_FAIL == rtw_pwr_wakeup(padapter)) {
2698 ret = -EFAULT;
2699 goto cancel_ps_deny;
2700 }
2701
2702 do {
2703 dump_cnt++;
2704 tx_ret = _cfg80211_rtw_mgmt_tx(padapter, tx_ch, buf, len);
2705 } while (dump_cnt < dump_limit && tx_ret != _SUCCESS);
2706
2707 switch (type) {
2708 case P2P_GO_NEGO_CONF:
2709 rtw_clear_scan_deny(padapter);
2710 break;
2711 case P2P_INVIT_RESP:
2712 if (pwdev_priv->invit_info.flags & BIT(0) && pwdev_priv->invit_info.status == 0) {
2713 rtw_set_scan_deny(padapter, 5000);
2714 rtw_pwr_wakeup_ex(padapter, 5000);
2715 rtw_clear_scan_deny(padapter);
2716 }
2717 break;
2718 }
2719
2720 cancel_ps_deny:
2721 rtw_ps_deny_cancel(padapter, PS_DENY_MGNT_TX);
2722 exit:
2723 return ret;
2724 }
2725
rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap * ht_cap,enum nl80211_band band)2726 static void rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap *ht_cap, enum nl80211_band band)
2727 {
2728
2729 #define MAX_BIT_RATE_40MHZ_MCS15 300 /* Mbps */
2730 #define MAX_BIT_RATE_40MHZ_MCS7 150 /* Mbps */
2731
2732 ht_cap->ht_supported = true;
2733
2734 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2735 IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20 |
2736 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
2737
2738 /*
2739 *Maximum length of AMPDU that the STA can receive.
2740 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
2741 */
2742 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2743
2744 /*Minimum MPDU start spacing , */
2745 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
2746
2747 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2748
2749 /*
2750 *hw->wiphy->bands[NL80211_BAND_2GHZ]
2751 *base on ant_num
2752 *rx_mask: RX mask
2753 *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
2754 *if rx_ant =2 rx_mask[1]= 0xff;==>MCS8-MCS15
2755 *if rx_ant >=3 rx_mask[2]= 0xff;
2756 *if BW_40 rx_mask[4]= 0x01;
2757 *highest supported RX rate
2758 */
2759 ht_cap->mcs.rx_mask[0] = 0xFF;
2760 ht_cap->mcs.rx_mask[1] = 0x00;
2761 ht_cap->mcs.rx_mask[4] = 0x01;
2762
2763 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
2764 }
2765
rtw_cfg80211_init_wiphy(struct adapter * padapter)2766 void rtw_cfg80211_init_wiphy(struct adapter *padapter)
2767 {
2768 struct ieee80211_supported_band *bands;
2769 struct wireless_dev *pwdev = padapter->rtw_wdev;
2770 struct wiphy *wiphy = pwdev->wiphy;
2771
2772 {
2773 bands = wiphy->bands[NL80211_BAND_2GHZ];
2774 if (bands)
2775 rtw_cfg80211_init_ht_capab(&bands->ht_cap, NL80211_BAND_2GHZ);
2776 }
2777
2778 /* copy mac_addr to wiphy */
2779 memcpy(wiphy->perm_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
2780
2781 }
2782
rtw_cfg80211_preinit_wiphy(struct adapter * padapter,struct wiphy * wiphy)2783 static void rtw_cfg80211_preinit_wiphy(struct adapter *padapter, struct wiphy *wiphy)
2784 {
2785
2786 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2787
2788 wiphy->max_scan_ssids = RTW_SSID_SCAN_AMOUNT;
2789 wiphy->max_scan_ie_len = RTW_SCAN_IE_LEN_MAX;
2790 wiphy->max_num_pmkids = RTW_MAX_NUM_PMKIDS;
2791
2792 wiphy->max_remain_on_channel_duration = RTW_MAX_REMAIN_ON_CHANNEL_DURATION;
2793
2794 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2795 | BIT(NL80211_IFTYPE_ADHOC)
2796 | BIT(NL80211_IFTYPE_AP)
2797 | BIT(NL80211_IFTYPE_MONITOR)
2798 ;
2799
2800 wiphy->mgmt_stypes = rtw_cfg80211_default_mgmt_stypes;
2801
2802 wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
2803
2804 wiphy->cipher_suites = rtw_cipher_suites;
2805 wiphy->n_cipher_suites = ARRAY_SIZE(rtw_cipher_suites);
2806
2807 /* if (padapter->registrypriv.wireless_mode & WIRELESS_11G) */
2808 wiphy->bands[NL80211_BAND_2GHZ] = rtw_spt_band_alloc(NL80211_BAND_2GHZ);
2809
2810 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2811 wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAVE_AP_SME;
2812
2813 #if defined(CONFIG_PM)
2814 wiphy->max_sched_scan_reqs = 1;
2815 #endif
2816
2817 #if defined(CONFIG_PM)
2818 wiphy->wowlan = &wowlan_stub;
2819 #endif
2820
2821 if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2822 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
2823 else
2824 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
2825 }
2826
2827 static struct cfg80211_ops rtw_cfg80211_ops = {
2828 .change_virtual_intf = cfg80211_rtw_change_iface,
2829 .add_key = cfg80211_rtw_add_key,
2830 .get_key = cfg80211_rtw_get_key,
2831 .del_key = cfg80211_rtw_del_key,
2832 .set_default_key = cfg80211_rtw_set_default_key,
2833 .get_station = cfg80211_rtw_get_station,
2834 .scan = cfg80211_rtw_scan,
2835 .set_wiphy_params = cfg80211_rtw_set_wiphy_params,
2836 .connect = cfg80211_rtw_connect,
2837 .disconnect = cfg80211_rtw_disconnect,
2838 .join_ibss = cfg80211_rtw_join_ibss,
2839 .leave_ibss = cfg80211_rtw_leave_ibss,
2840 .set_tx_power = cfg80211_rtw_set_txpower,
2841 .get_tx_power = cfg80211_rtw_get_txpower,
2842 .set_power_mgmt = cfg80211_rtw_set_power_mgmt,
2843 .set_pmksa = cfg80211_rtw_set_pmksa,
2844 .del_pmksa = cfg80211_rtw_del_pmksa,
2845 .flush_pmksa = cfg80211_rtw_flush_pmksa,
2846 .get_channel = cfg80211_rtw_get_channel,
2847 .add_virtual_intf = cfg80211_rtw_add_virtual_intf,
2848 .del_virtual_intf = cfg80211_rtw_del_virtual_intf,
2849
2850 .start_ap = cfg80211_rtw_start_ap,
2851 .change_beacon = cfg80211_rtw_change_beacon,
2852 .stop_ap = cfg80211_rtw_stop_ap,
2853
2854 .add_station = cfg80211_rtw_add_station,
2855 .del_station = cfg80211_rtw_del_station,
2856 .change_station = cfg80211_rtw_change_station,
2857 .dump_station = cfg80211_rtw_dump_station,
2858 .change_bss = cfg80211_rtw_change_bss,
2859
2860 .mgmt_tx = cfg80211_rtw_mgmt_tx,
2861 };
2862
rtw_wdev_alloc(struct adapter * padapter,struct device * dev)2863 int rtw_wdev_alloc(struct adapter *padapter, struct device *dev)
2864 {
2865 int ret = 0;
2866 struct wiphy *wiphy;
2867 struct wireless_dev *wdev;
2868 struct rtw_wdev_priv *pwdev_priv;
2869 struct net_device *pnetdev = padapter->pnetdev;
2870
2871 /* wiphy */
2872 wiphy = wiphy_new(&rtw_cfg80211_ops, sizeof(struct adapter *));
2873 if (!wiphy) {
2874 ret = -ENOMEM;
2875 goto exit;
2876 }
2877 set_wiphy_dev(wiphy, dev);
2878 *((struct adapter **)wiphy_priv(wiphy)) = padapter;
2879 rtw_cfg80211_preinit_wiphy(padapter, wiphy);
2880
2881 /* init regulary domain */
2882 rtw_regd_init(wiphy, rtw_reg_notifier);
2883
2884 ret = wiphy_register(wiphy);
2885 if (ret < 0)
2886 goto free_wiphy;
2887
2888 /* wdev */
2889 wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2890 if (!wdev) {
2891 ret = -ENOMEM;
2892 goto unregister_wiphy;
2893 }
2894 wdev->wiphy = wiphy;
2895 wdev->netdev = pnetdev;
2896
2897 wdev->iftype = NL80211_IFTYPE_STATION; /* will be init in rtw_hal_init() */
2898 /* Must sync with _rtw_init_mlme_priv() */
2899 /* pmlmepriv->fw_state = WIFI_STATION_STATE */
2900 padapter->rtw_wdev = wdev;
2901 pnetdev->ieee80211_ptr = wdev;
2902
2903 /* init pwdev_priv */
2904 pwdev_priv = adapter_wdev_data(padapter);
2905 pwdev_priv->rtw_wdev = wdev;
2906 pwdev_priv->pmon_ndev = NULL;
2907 pwdev_priv->ifname_mon[0] = '\0';
2908 pwdev_priv->padapter = padapter;
2909 pwdev_priv->scan_request = NULL;
2910 spin_lock_init(&pwdev_priv->scan_req_lock);
2911
2912 pwdev_priv->p2p_enabled = false;
2913 pwdev_priv->provdisc_req_issued = false;
2914 rtw_wdev_invit_info_init(&pwdev_priv->invit_info);
2915 rtw_wdev_nego_info_init(&pwdev_priv->nego_info);
2916
2917 pwdev_priv->bandroid_scan = false;
2918
2919 if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2920 pwdev_priv->power_mgmt = true;
2921 else
2922 pwdev_priv->power_mgmt = false;
2923
2924 return ret;
2925
2926 unregister_wiphy:
2927 wiphy_unregister(wiphy);
2928 free_wiphy:
2929 wiphy_free(wiphy);
2930 exit:
2931 return ret;
2932
2933 }
2934
rtw_wdev_free(struct wireless_dev * wdev)2935 void rtw_wdev_free(struct wireless_dev *wdev)
2936 {
2937 if (!wdev)
2938 return;
2939
2940 kfree(wdev->wiphy->bands[NL80211_BAND_2GHZ]);
2941
2942 wiphy_free(wdev->wiphy);
2943
2944 kfree(wdev);
2945 }
2946
rtw_wdev_unregister(struct wireless_dev * wdev)2947 void rtw_wdev_unregister(struct wireless_dev *wdev)
2948 {
2949 struct net_device *ndev;
2950 struct adapter *adapter;
2951 struct rtw_wdev_priv *pwdev_priv;
2952
2953 if (!wdev)
2954 return;
2955 ndev = wdev_to_ndev(wdev);
2956 if (!ndev)
2957 return;
2958
2959 adapter = rtw_netdev_priv(ndev);
2960 pwdev_priv = adapter_wdev_data(adapter);
2961
2962 rtw_cfg80211_indicate_scan_done(adapter, true);
2963
2964 if (pwdev_priv->pmon_ndev)
2965 unregister_netdev(pwdev_priv->pmon_ndev);
2966
2967 wiphy_unregister(wdev->wiphy);
2968 }
2969