1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7 #define _IOCTL_CFG80211_C_
8
9 #include <linux/etherdevice.h>
10 #include <drv_types.h>
11 #include <rtw_debug.h>
12 #include <linux/jiffies.h>
13
14 #include <rtw_wifi_regd.h>
15
16 #define RTW_MAX_MGMT_TX_CNT (8)
17
18 #define RTW_SCAN_IE_LEN_MAX 2304
19 #define RTW_MAX_REMAIN_ON_CHANNEL_DURATION 5000 /* ms */
20 #define RTW_MAX_NUM_PMKIDS 4
21
22 static const u32 rtw_cipher_suites[] = {
23 WLAN_CIPHER_SUITE_WEP40,
24 WLAN_CIPHER_SUITE_WEP104,
25 WLAN_CIPHER_SUITE_TKIP,
26 WLAN_CIPHER_SUITE_CCMP,
27 WLAN_CIPHER_SUITE_AES_CMAC,
28 };
29
30 #define RATETAB_ENT(_rate, _rateid, _flags) \
31 { \
32 .bitrate = (_rate), \
33 .hw_value = (_rateid), \
34 .flags = (_flags), \
35 }
36
37 #define CHAN2G(_channel, _freq, _flags) { \
38 .band = NL80211_BAND_2GHZ, \
39 .center_freq = (_freq), \
40 .hw_value = (_channel), \
41 .flags = (_flags), \
42 .max_antenna_gain = 0, \
43 .max_power = 30, \
44 }
45
46 /* if wowlan is not supported, kernel generate a disconnect at each suspend
47 * cf: /net/wireless/sysfs.c, so register a stub wowlan.
48 * Moreover wowlan has to be enabled via a the nl80211_set_wowlan callback.
49 * (from user space, e.g. iw phy0 wowlan enable)
50 */
51 static const struct wiphy_wowlan_support wowlan_stub = {
52 .flags = WIPHY_WOWLAN_ANY,
53 .n_patterns = 0,
54 .pattern_max_len = 0,
55 .pattern_min_len = 0,
56 .max_pkt_offset = 0,
57 };
58
59 static struct ieee80211_rate rtw_rates[] = {
60 RATETAB_ENT(10, 0x1, 0),
61 RATETAB_ENT(20, 0x2, 0),
62 RATETAB_ENT(55, 0x4, 0),
63 RATETAB_ENT(110, 0x8, 0),
64 RATETAB_ENT(60, 0x10, 0),
65 RATETAB_ENT(90, 0x20, 0),
66 RATETAB_ENT(120, 0x40, 0),
67 RATETAB_ENT(180, 0x80, 0),
68 RATETAB_ENT(240, 0x100, 0),
69 RATETAB_ENT(360, 0x200, 0),
70 RATETAB_ENT(480, 0x400, 0),
71 RATETAB_ENT(540, 0x800, 0),
72 };
73
74 #define rtw_a_rates (rtw_rates + 4)
75 #define RTW_A_RATES_NUM 8
76 #define rtw_g_rates (rtw_rates + 0)
77 #define RTW_G_RATES_NUM 12
78
79 #define RTW_2G_CHANNELS_NUM 14
80 #define RTW_5G_CHANNELS_NUM 37
81
82 static struct ieee80211_channel rtw_2ghz_channels[] = {
83 CHAN2G(1, 2412, 0),
84 CHAN2G(2, 2417, 0),
85 CHAN2G(3, 2422, 0),
86 CHAN2G(4, 2427, 0),
87 CHAN2G(5, 2432, 0),
88 CHAN2G(6, 2437, 0),
89 CHAN2G(7, 2442, 0),
90 CHAN2G(8, 2447, 0),
91 CHAN2G(9, 2452, 0),
92 CHAN2G(10, 2457, 0),
93 CHAN2G(11, 2462, 0),
94 CHAN2G(12, 2467, 0),
95 CHAN2G(13, 2472, 0),
96 CHAN2G(14, 2484, 0),
97 };
98
rtw_2g_channels_init(struct ieee80211_channel * channels)99 static void rtw_2g_channels_init(struct ieee80211_channel *channels)
100 {
101 memcpy((void *)channels, (void *)rtw_2ghz_channels,
102 sizeof(struct ieee80211_channel)*RTW_2G_CHANNELS_NUM
103 );
104 }
105
rtw_2g_rates_init(struct ieee80211_rate * rates)106 static void rtw_2g_rates_init(struct ieee80211_rate *rates)
107 {
108 memcpy(rates, rtw_g_rates,
109 sizeof(struct ieee80211_rate)*RTW_G_RATES_NUM
110 );
111 }
112
rtw_spt_band_alloc(enum nl80211_band band)113 static struct ieee80211_supported_band *rtw_spt_band_alloc(
114 enum nl80211_band band
115 )
116 {
117 struct ieee80211_supported_band *spt_band = NULL;
118 int n_channels, n_bitrates;
119
120 if (band == NL80211_BAND_2GHZ)
121 {
122 n_channels = RTW_2G_CHANNELS_NUM;
123 n_bitrates = RTW_G_RATES_NUM;
124 }
125 else
126 {
127 goto exit;
128 }
129
130 spt_band = rtw_zmalloc(sizeof(struct ieee80211_supported_band) +
131 sizeof(struct ieee80211_channel) * n_channels +
132 sizeof(struct ieee80211_rate) * n_bitrates);
133 if (!spt_band)
134 goto exit;
135
136 spt_band->channels = (struct ieee80211_channel *)(((u8 *)spt_band)+sizeof(struct ieee80211_supported_band));
137 spt_band->bitrates = (struct ieee80211_rate *)(((u8 *)spt_band->channels)+sizeof(struct ieee80211_channel)*n_channels);
138 spt_band->band = band;
139 spt_band->n_channels = n_channels;
140 spt_band->n_bitrates = n_bitrates;
141
142 if (band == NL80211_BAND_2GHZ)
143 {
144 rtw_2g_channels_init(spt_band->channels);
145 rtw_2g_rates_init(spt_band->bitrates);
146 }
147
148 /* spt_band.ht_cap */
149
150 exit:
151
152 return spt_band;
153 }
154
155 static const struct ieee80211_txrx_stypes
156 rtw_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
157 [NL80211_IFTYPE_ADHOC] = {
158 .tx = 0xffff,
159 .rx = BIT(IEEE80211_STYPE_ACTION >> 4)
160 },
161 [NL80211_IFTYPE_STATION] = {
162 .tx = 0xffff,
163 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
164 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
165 },
166 [NL80211_IFTYPE_AP] = {
167 .tx = 0xffff,
168 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
169 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
170 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
171 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
172 BIT(IEEE80211_STYPE_AUTH >> 4) |
173 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
174 BIT(IEEE80211_STYPE_ACTION >> 4)
175 },
176 [NL80211_IFTYPE_AP_VLAN] = {
177 /* copy AP */
178 .tx = 0xffff,
179 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
180 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
181 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
182 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
183 BIT(IEEE80211_STYPE_AUTH >> 4) |
184 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
185 BIT(IEEE80211_STYPE_ACTION >> 4)
186 },
187 [NL80211_IFTYPE_P2P_CLIENT] = {
188 .tx = 0xffff,
189 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
190 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
191 },
192 [NL80211_IFTYPE_P2P_GO] = {
193 .tx = 0xffff,
194 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
195 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
196 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
197 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
198 BIT(IEEE80211_STYPE_AUTH >> 4) |
199 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
200 BIT(IEEE80211_STYPE_ACTION >> 4)
201 },
202 };
203
rtw_ieee80211_channel_to_frequency(int chan,int band)204 static int rtw_ieee80211_channel_to_frequency(int chan, int band)
205 {
206 /* see 802.11 17.3.8.3.2 and Annex J
207 * there are overlapping channel numbers in 5GHz and 2GHz bands */
208 if (band == NL80211_BAND_2GHZ) {
209 if (chan == 14)
210 return 2484;
211 else if (chan < 14)
212 return 2407 + chan * 5;
213 }
214
215 return 0; /* not supported */
216 }
217
218 #define MAX_BSSINFO_LEN 1000
rtw_cfg80211_inform_bss(struct adapter * padapter,struct wlan_network * pnetwork)219 struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wlan_network *pnetwork)
220 {
221 struct ieee80211_channel *notify_channel;
222 struct cfg80211_bss *bss = NULL;
223 /* struct ieee80211_supported_band *band; */
224 u16 channel;
225 u32 freq;
226 u64 notify_timestamp;
227 s32 notify_signal;
228 u8 *buf = NULL, *pbuf;
229 size_t len, bssinf_len = 0;
230 struct ieee80211_hdr *pwlanhdr;
231 __le16 *fctrl;
232 u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
233
234 struct wireless_dev *wdev = padapter->rtw_wdev;
235 struct wiphy *wiphy = wdev->wiphy;
236 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
237
238 bssinf_len = pnetwork->network.IELength + sizeof(struct ieee80211_hdr_3addr);
239 if (bssinf_len > MAX_BSSINFO_LEN)
240 goto exit;
241
242 {
243 u16 wapi_len = 0;
244
245 if (rtw_get_wapi_ie(pnetwork->network.IEs, pnetwork->network.IELength, NULL, &wapi_len) > 0)
246 {
247 if (wapi_len > 0)
248 goto exit;
249 }
250 }
251
252 /* To reduce PBC Overlap rate */
253 /* spin_lock_bh(&pwdev_priv->scan_req_lock); */
254 if (adapter_wdev_data(padapter)->scan_request)
255 {
256 u8 *psr = NULL, sr = 0;
257 struct ndis_802_11_ssid *pssid = &pnetwork->network.Ssid;
258 struct cfg80211_scan_request *request = adapter_wdev_data(padapter)->scan_request;
259 struct cfg80211_ssid *ssids = request->ssids;
260 u32 wpsielen = 0;
261 u8 *wpsie = NULL;
262
263 wpsie = rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wpsielen);
264
265 if (wpsie && wpsielen > 0)
266 psr = rtw_get_wps_attr_content(wpsie, wpsielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);
267
268 if (sr != 0)
269 {
270 if (request->n_ssids == 1 && request->n_channels == 1) /* it means under processing WPS */
271 {
272 if (ssids[0].ssid_len != 0 &&
273 (pssid->SsidLength != ssids[0].ssid_len ||
274 memcmp(pssid->Ssid, ssids[0].ssid, ssids[0].ssid_len)))
275 {
276 if (psr)
277 *psr = 0; /* clear sr */
278 }
279 }
280 }
281 }
282 /* spin_unlock_bh(&pwdev_priv->scan_req_lock); */
283
284
285 channel = pnetwork->network.Configuration.DSConfig;
286 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
287
288 notify_channel = ieee80211_get_channel(wiphy, freq);
289
290 notify_timestamp = ktime_to_us(ktime_get_boottime());
291
292 /* We've set wiphy's signal_type as CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) */
293 if (check_fwstate(pmlmepriv, _FW_LINKED) == true &&
294 is_same_network(&pmlmepriv->cur_network.network, &pnetwork->network, 0)) {
295 notify_signal = 100*translate_percentage_to_dbm(padapter->recvpriv.signal_strength);/* dbm */
296 } else {
297 notify_signal = 100*translate_percentage_to_dbm(pnetwork->network.PhyInfo.SignalStrength);/* dbm */
298 }
299
300 buf = kzalloc(MAX_BSSINFO_LEN, GFP_ATOMIC);
301 if (!buf)
302 goto exit;
303 pbuf = buf;
304
305 pwlanhdr = (struct ieee80211_hdr *)pbuf;
306 fctrl = &(pwlanhdr->frame_control);
307 *(fctrl) = 0;
308
309 SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
310 /* pmlmeext->mgnt_seq++; */
311
312 if (pnetwork->network.Reserved[0] == 1) { /* WIFI_BEACON */
313 memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
314 SetFrameSubType(pbuf, WIFI_BEACON);
315 } else {
316 memcpy(pwlanhdr->addr1, myid(&(padapter->eeprompriv)), ETH_ALEN);
317 SetFrameSubType(pbuf, WIFI_PROBERSP);
318 }
319
320 memcpy(pwlanhdr->addr2, pnetwork->network.MacAddress, ETH_ALEN);
321 memcpy(pwlanhdr->addr3, pnetwork->network.MacAddress, ETH_ALEN);
322
323
324 pbuf += sizeof(struct ieee80211_hdr_3addr);
325 len = sizeof(struct ieee80211_hdr_3addr);
326
327 memcpy(pbuf, pnetwork->network.IEs, pnetwork->network.IELength);
328 len += pnetwork->network.IELength;
329
330 *((__le64 *)pbuf) = cpu_to_le64(notify_timestamp);
331
332 bss = cfg80211_inform_bss_frame(wiphy, notify_channel, (struct ieee80211_mgmt *)buf,
333 len, notify_signal, GFP_ATOMIC);
334
335 if (unlikely(!bss))
336 goto exit;
337
338 cfg80211_put_bss(wiphy, bss);
339 kfree(buf);
340
341 exit:
342 return bss;
343
344 }
345
346 /*
347 Check the given bss is valid by kernel API cfg80211_get_bss()
348 @padapter : the given adapter
349
350 return true if bss is valid, false for not found.
351 */
rtw_cfg80211_check_bss(struct adapter * padapter)352 int rtw_cfg80211_check_bss(struct adapter *padapter)
353 {
354 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
355 struct cfg80211_bss *bss = NULL;
356 struct ieee80211_channel *notify_channel = NULL;
357 u32 freq;
358
359 if (!(pnetwork) || !(padapter->rtw_wdev))
360 return false;
361
362 freq = rtw_ieee80211_channel_to_frequency(pnetwork->Configuration.DSConfig, NL80211_BAND_2GHZ);
363
364 notify_channel = ieee80211_get_channel(padapter->rtw_wdev->wiphy, freq);
365 bss = cfg80211_get_bss(padapter->rtw_wdev->wiphy, notify_channel,
366 pnetwork->MacAddress, pnetwork->Ssid.Ssid,
367 pnetwork->Ssid.SsidLength,
368 WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
369
370 cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
371
372 return (bss != NULL);
373 }
374
rtw_cfg80211_ibss_indicate_connect(struct adapter * padapter)375 void rtw_cfg80211_ibss_indicate_connect(struct adapter *padapter)
376 {
377 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
378 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
379 struct wireless_dev *pwdev = padapter->rtw_wdev;
380 struct wiphy *wiphy = pwdev->wiphy;
381 int freq = (int)cur_network->network.Configuration.DSConfig;
382 struct ieee80211_channel *chan;
383
384 if (pwdev->iftype != NL80211_IFTYPE_ADHOC)
385 {
386 return;
387 }
388
389 if (!rtw_cfg80211_check_bss(padapter)) {
390 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
391 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
392
393 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)
394 {
395
396 memcpy(&cur_network->network, pnetwork, sizeof(struct wlan_bssid_ex));
397 rtw_cfg80211_inform_bss(padapter, cur_network);
398 }
399 else
400 {
401 if (scanned == NULL) {
402 rtw_warn_on(1);
403 return;
404 }
405 if (!memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(struct ndis_802_11_ssid))
406 && !memcmp(scanned->network.MacAddress, pnetwork->MacAddress, sizeof(NDIS_802_11_MAC_ADDRESS))
407 )
408 rtw_cfg80211_inform_bss(padapter, scanned);
409 else
410 rtw_warn_on(1);
411 }
412
413 if (!rtw_cfg80211_check_bss(padapter))
414 netdev_dbg(padapter->pnetdev,
415 FUNC_ADPT_FMT " BSS not found !!\n",
416 FUNC_ADPT_ARG(padapter));
417 }
418 /* notify cfg80211 that device joined an IBSS */
419 chan = ieee80211_get_channel(wiphy, freq);
420 cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.MacAddress, chan, GFP_ATOMIC);
421 }
422
rtw_cfg80211_indicate_connect(struct adapter * padapter)423 void rtw_cfg80211_indicate_connect(struct adapter *padapter)
424 {
425 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
426 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
427 struct wireless_dev *pwdev = padapter->rtw_wdev;
428
429 if (pwdev->iftype != NL80211_IFTYPE_STATION
430 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
431 ) {
432 return;
433 }
434
435 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
436 return;
437
438 {
439 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
440 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
441
442 if (scanned == NULL) {
443 rtw_warn_on(1);
444 goto check_bss;
445 }
446
447 if (!memcmp(scanned->network.MacAddress, pnetwork->MacAddress, sizeof(NDIS_802_11_MAC_ADDRESS))
448 && !memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(struct ndis_802_11_ssid))
449 )
450 rtw_cfg80211_inform_bss(padapter, scanned);
451 else
452 rtw_warn_on(1);
453 }
454
455 check_bss:
456 if (!rtw_cfg80211_check_bss(padapter))
457 netdev_dbg(padapter->pnetdev,
458 FUNC_ADPT_FMT " BSS not found !!\n",
459 FUNC_ADPT_ARG(padapter));
460
461 if (rtw_to_roam(padapter) > 0) {
462 struct wiphy *wiphy = pwdev->wiphy;
463 struct ieee80211_channel *notify_channel;
464 u32 freq;
465 u16 channel = cur_network->network.Configuration.DSConfig;
466 struct cfg80211_roam_info roam_info = {};
467
468 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
469
470 notify_channel = ieee80211_get_channel(wiphy, freq);
471
472 roam_info.channel = notify_channel;
473 roam_info.bssid = cur_network->network.MacAddress;
474 roam_info.req_ie =
475 pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2;
476 roam_info.req_ie_len =
477 pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2;
478 roam_info.resp_ie =
479 pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6;
480 roam_info.resp_ie_len =
481 pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6;
482 cfg80211_roamed(padapter->pnetdev, &roam_info, GFP_ATOMIC);
483 }
484 else
485 {
486 cfg80211_connect_result(padapter->pnetdev, cur_network->network.MacAddress
487 , pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2
488 , pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2
489 , pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6
490 , pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6
491 , WLAN_STATUS_SUCCESS, GFP_ATOMIC);
492 }
493 }
494
rtw_cfg80211_indicate_disconnect(struct adapter * padapter)495 void rtw_cfg80211_indicate_disconnect(struct adapter *padapter)
496 {
497 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
498 struct wireless_dev *pwdev = padapter->rtw_wdev;
499
500 if (pwdev->iftype != NL80211_IFTYPE_STATION
501 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
502 ) {
503 return;
504 }
505
506 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
507 return;
508
509 if (!padapter->mlmepriv.not_indic_disco) {
510 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
511 cfg80211_disconnected(padapter->pnetdev, 0,
512 NULL, 0, true, GFP_ATOMIC);
513 } else {
514 cfg80211_connect_result(padapter->pnetdev, NULL, NULL, 0, NULL, 0,
515 WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC/*GFP_KERNEL*/);
516 }
517 }
518 }
519
520
rtw_cfg80211_ap_set_encryption(struct net_device * dev,struct ieee_param * param,u32 param_len)521 static int rtw_cfg80211_ap_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
522 {
523 int ret = 0;
524 u32 wep_key_idx, wep_key_len;
525 struct sta_info *psta = NULL, *pbcmc_sta = NULL;
526 struct adapter *padapter = rtw_netdev_priv(dev);
527 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
528 struct security_priv *psecuritypriv = &(padapter->securitypriv);
529 struct sta_priv *pstapriv = &padapter->stapriv;
530 char *grpkey = padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey;
531 char *txkey = padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey;
532 char *rxkey = padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey;
533
534 param->u.crypt.err = 0;
535 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
536
537 if (param_len != sizeof(struct ieee_param) + param->u.crypt.key_len)
538 {
539 ret = -EINVAL;
540 goto exit;
541 }
542
543 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
544 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
545 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff)
546 {
547 if (param->u.crypt.idx >= WEP_KEYS)
548 {
549 ret = -EINVAL;
550 goto exit;
551 }
552 }
553 else
554 {
555 psta = rtw_get_stainfo(pstapriv, param->sta_addr);
556 if (!psta)
557 /* ret = -EINVAL; */
558 goto exit;
559 }
560
561 if (strcmp(param->u.crypt.alg, "none") == 0 && (psta == NULL))
562 goto exit;
563
564 if (strcmp(param->u.crypt.alg, "WEP") == 0 && (psta == NULL))
565 {
566 wep_key_idx = param->u.crypt.idx;
567 wep_key_len = param->u.crypt.key_len;
568
569 if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0))
570 {
571 ret = -EINVAL;
572 goto exit;
573 }
574
575 if (wep_key_len > 0)
576 {
577 wep_key_len = wep_key_len <= 5 ? 5 : 13;
578 }
579
580 if (psecuritypriv->bWepDefaultKeyIdxSet == 0)
581 {
582 /* wep default key has not been set, so use this key index as default key. */
583
584 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
585 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
586 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
587 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
588
589 if (wep_key_len == 13)
590 {
591 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
592 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
593 }
594
595 psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
596 }
597
598 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
599
600 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
601
602 rtw_ap_set_wep_key(padapter, param->u.crypt.key, wep_key_len, wep_key_idx, 1);
603
604 goto exit;
605
606 }
607
608
609 if (!psta && check_fwstate(pmlmepriv, WIFI_AP_STATE)) /* group key */
610 {
611 if (param->u.crypt.set_tx == 0) /* group key */
612 {
613 if (strcmp(param->u.crypt.alg, "WEP") == 0)
614 {
615 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
616
617 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
618 if (param->u.crypt.key_len == 13)
619 {
620 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
621 }
622
623 }
624 else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
625 {
626 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
627
628 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
629
630 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
631 /* set mic key */
632 memcpy(txkey, &(param->u.crypt.key[16]), 8);
633 memcpy(rxkey, &(param->u.crypt.key[24]), 8);
634
635 psecuritypriv->busetkipkey = true;
636
637 }
638 else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
639 {
640 psecuritypriv->dot118021XGrpPrivacy = _AES_;
641
642 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
643 }
644 else
645 {
646 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
647 }
648
649 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
650
651 psecuritypriv->binstallGrpkey = true;
652
653 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
654
655 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
656
657 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
658 if (pbcmc_sta)
659 {
660 pbcmc_sta->ieee8021x_blocked = false;
661 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
662 }
663
664 }
665
666 goto exit;
667
668 }
669
670 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) /* psk/802_1x */
671 {
672 if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
673 {
674 if (param->u.crypt.set_tx == 1) /* pairwise key */
675 {
676 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
677
678 if (strcmp(param->u.crypt.alg, "WEP") == 0)
679 {
680 psta->dot118021XPrivacy = _WEP40_;
681 if (param->u.crypt.key_len == 13)
682 {
683 psta->dot118021XPrivacy = _WEP104_;
684 }
685 }
686 else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
687 {
688 psta->dot118021XPrivacy = _TKIP_;
689
690 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
691 /* set mic key */
692 memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
693 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
694
695 psecuritypriv->busetkipkey = true;
696
697 }
698 else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
699 {
700
701 psta->dot118021XPrivacy = _AES_;
702 }
703 else
704 {
705 psta->dot118021XPrivacy = _NO_PRIVACY_;
706 }
707
708 rtw_ap_set_pairwise_key(padapter, psta);
709
710 psta->ieee8021x_blocked = false;
711
712 psta->bpairwise_key_installed = true;
713
714 }
715 else/* group key??? */
716 {
717 if (strcmp(param->u.crypt.alg, "WEP") == 0)
718 {
719 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
720
721 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
722 if (param->u.crypt.key_len == 13)
723 {
724 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
725 }
726 }
727 else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
728 {
729 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
730
731 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
732
733 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
734 /* set mic key */
735 memcpy(txkey, &(param->u.crypt.key[16]), 8);
736 memcpy(rxkey, &(param->u.crypt.key[24]), 8);
737
738 psecuritypriv->busetkipkey = true;
739
740 }
741 else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
742 {
743 psecuritypriv->dot118021XGrpPrivacy = _AES_;
744
745 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
746 }
747 else
748 {
749 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
750 }
751
752 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
753
754 psecuritypriv->binstallGrpkey = true;
755
756 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
757
758 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
759
760 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
761 if (pbcmc_sta)
762 {
763 pbcmc_sta->ieee8021x_blocked = false;
764 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
765 }
766
767 }
768
769 }
770
771 }
772
773 exit:
774
775 return ret;
776
777 }
778
rtw_cfg80211_set_encryption(struct net_device * dev,struct ieee_param * param,u32 param_len)779 static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
780 {
781 int ret = 0;
782 u32 wep_key_idx, wep_key_len;
783 struct adapter *padapter = rtw_netdev_priv(dev);
784 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
785 struct security_priv *psecuritypriv = &padapter->securitypriv;
786
787 param->u.crypt.err = 0;
788 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
789
790 if (param_len < (u32) ((u8 *) param->u.crypt.key - (u8 *) param) + param->u.crypt.key_len)
791 {
792 ret = -EINVAL;
793 goto exit;
794 }
795
796 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
797 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
798 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff)
799 {
800 if (param->u.crypt.idx >= WEP_KEYS
801 || param->u.crypt.idx >= BIP_MAX_KEYID
802 )
803 {
804 ret = -EINVAL;
805 goto exit;
806 }
807 } else {
808 {
809 ret = -EINVAL;
810 goto exit;
811 }
812 }
813
814 if (strcmp(param->u.crypt.alg, "WEP") == 0)
815 {
816 wep_key_idx = param->u.crypt.idx;
817 wep_key_len = param->u.crypt.key_len;
818
819 if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0))
820 {
821 ret = -EINVAL;
822 goto exit;
823 }
824
825 if (psecuritypriv->bWepDefaultKeyIdxSet == 0)
826 {
827 /* wep default key has not been set, so use this key index as default key. */
828
829 wep_key_len = wep_key_len <= 5 ? 5 : 13;
830
831 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
832 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
833 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
834
835 if (wep_key_len == 13)
836 {
837 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
838 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
839 }
840
841 psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
842 }
843
844 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
845
846 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
847
848 rtw_set_key(padapter, psecuritypriv, wep_key_idx, 0, true);
849
850 goto exit;
851 }
852
853 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) /* 802_1x */
854 {
855 struct sta_info *psta, *pbcmc_sta;
856 struct sta_priv *pstapriv = &padapter->stapriv;
857
858 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) /* sta mode */
859 {
860 psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
861 if (psta) {
862 /* Jeff: don't disable ieee8021x_blocked while clearing key */
863 if (strcmp(param->u.crypt.alg, "none") != 0)
864 psta->ieee8021x_blocked = false;
865
866
867 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
868 (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled))
869 {
870 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
871 }
872
873 if (param->u.crypt.set_tx == 1)/* pairwise key */
874 {
875
876 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
877
878 if (strcmp(param->u.crypt.alg, "TKIP") == 0)/* set mic key */
879 {
880 /* DEBUG_ERR(("\nset key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
881 memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
882 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
883
884 padapter->securitypriv.busetkipkey = false;
885 /* _set_timer(&padapter->securitypriv.tkip_timer, 50); */
886 }
887
888 rtw_setstakey_cmd(padapter, psta, true, true);
889 }
890 else/* group key */
891 {
892 if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0)
893 {
894 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));
895 memcpy(padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
896 memcpy(padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
897 padapter->securitypriv.binstallGrpkey = true;
898
899 padapter->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;
900 rtw_set_key(padapter, &padapter->securitypriv, param->u.crypt.idx, 1, true);
901 }
902 else if (strcmp(param->u.crypt.alg, "BIP") == 0)
903 {
904 /* save the IGTK key, length 16 bytes */
905 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));
906 /*
907 for (no = 0;no<16;no++)
908 printk(" %02x ", padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey[no]);
909 */
910 padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
911 padapter->securitypriv.binstallBIPkey = true;
912 }
913 }
914 }
915
916 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
917 if (pbcmc_sta == NULL)
918 {
919 /* DEBUG_ERR(("Set OID_802_11_ADD_KEY: bcmc stainfo is null\n")); */
920 }
921 else
922 {
923 /* Jeff: don't disable ieee8021x_blocked while clearing key */
924 if (strcmp(param->u.crypt.alg, "none") != 0)
925 pbcmc_sta->ieee8021x_blocked = false;
926
927 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
928 (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled))
929 {
930 pbcmc_sta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
931 }
932 }
933 }
934 else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) /* adhoc mode */
935 {
936 }
937 }
938
939 exit:
940
941 return ret;
942 }
943
cfg80211_rtw_add_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)944 static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
945 u8 key_index, bool pairwise, const u8 *mac_addr,
946 struct key_params *params)
947 {
948 char *alg_name;
949 u32 param_len;
950 struct ieee_param *param = NULL;
951 int ret = 0;
952 struct adapter *padapter = rtw_netdev_priv(ndev);
953 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
954
955 param_len = sizeof(struct ieee_param) + params->key_len;
956 param = rtw_malloc(param_len);
957 if (param == NULL)
958 return -1;
959
960 memset(param, 0, param_len);
961
962 param->cmd = IEEE_CMD_SET_ENCRYPTION;
963 memset(param->sta_addr, 0xff, ETH_ALEN);
964
965 switch (params->cipher) {
966 case IW_AUTH_CIPHER_NONE:
967 /* todo: remove key */
968 /* remove = 1; */
969 alg_name = "none";
970 break;
971 case WLAN_CIPHER_SUITE_WEP40:
972 case WLAN_CIPHER_SUITE_WEP104:
973 alg_name = "WEP";
974 break;
975 case WLAN_CIPHER_SUITE_TKIP:
976 alg_name = "TKIP";
977 break;
978 case WLAN_CIPHER_SUITE_CCMP:
979 alg_name = "CCMP";
980 break;
981 case WLAN_CIPHER_SUITE_AES_CMAC:
982 alg_name = "BIP";
983 break;
984 default:
985 ret = -ENOTSUPP;
986 goto addkey_end;
987 }
988
989 strncpy((char *)param->u.crypt.alg, alg_name, IEEE_CRYPT_ALG_NAME_LEN);
990
991
992 if (!mac_addr || is_broadcast_ether_addr(mac_addr))
993 {
994 param->u.crypt.set_tx = 0; /* for wpa/wpa2 group key */
995 } else {
996 param->u.crypt.set_tx = 1; /* for wpa/wpa2 pairwise key */
997 }
998
999 param->u.crypt.idx = key_index;
1000
1001 if (params->seq_len && params->seq)
1002 {
1003 memcpy(param->u.crypt.seq, (u8 *)params->seq, params->seq_len);
1004 }
1005
1006 if (params->key_len && params->key)
1007 {
1008 param->u.crypt.key_len = params->key_len;
1009 memcpy(param->u.crypt.key, (u8 *)params->key, params->key_len);
1010 }
1011
1012 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)
1013 {
1014 ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
1015 }
1016 else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
1017 {
1018 if (mac_addr)
1019 memcpy(param->sta_addr, (void *)mac_addr, ETH_ALEN);
1020
1021 ret = rtw_cfg80211_ap_set_encryption(ndev, param, param_len);
1022 }
1023 else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true
1024 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)
1025 {
1026 ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
1027 }
1028
1029 addkey_end:
1030 kfree(param);
1031
1032 return ret;
1033
1034 }
1035
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 *))1036 static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev,
1037 u8 key_index, bool pairwise, const u8 *mac_addr,
1038 void *cookie,
1039 void (*callback)(void *cookie,
1040 struct key_params*))
1041 {
1042 return 0;
1043 }
1044
cfg80211_rtw_del_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr)1045 static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
1046 u8 key_index, bool pairwise, const u8 *mac_addr)
1047 {
1048 struct adapter *padapter = rtw_netdev_priv(ndev);
1049 struct security_priv *psecuritypriv = &padapter->securitypriv;
1050
1051 if (key_index == psecuritypriv->dot11PrivacyKeyIndex)
1052 {
1053 /* clear the flag of wep default key set. */
1054 psecuritypriv->bWepDefaultKeyIdxSet = 0;
1055 }
1056
1057 return 0;
1058 }
1059
cfg80211_rtw_set_default_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool unicast,bool multicast)1060 static int cfg80211_rtw_set_default_key(struct wiphy *wiphy,
1061 struct net_device *ndev, u8 key_index
1062 , bool unicast, bool multicast
1063 )
1064 {
1065 struct adapter *padapter = rtw_netdev_priv(ndev);
1066 struct security_priv *psecuritypriv = &padapter->securitypriv;
1067
1068 if ((key_index < WEP_KEYS) && ((psecuritypriv->dot11PrivacyAlgrthm == _WEP40_) || (psecuritypriv->dot11PrivacyAlgrthm == _WEP104_))) /* set wep default key */
1069 {
1070 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
1071
1072 psecuritypriv->dot11PrivacyKeyIndex = key_index;
1073
1074 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
1075 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
1076 if (psecuritypriv->dot11DefKeylen[key_index] == 13)
1077 {
1078 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
1079 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
1080 }
1081
1082 psecuritypriv->bWepDefaultKeyIdxSet = 1; /* set the flag to represent that wep default key has been set */
1083 }
1084
1085 return 0;
1086
1087 }
1088
cfg80211_rtw_get_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_info * sinfo)1089 static int cfg80211_rtw_get_station(struct wiphy *wiphy,
1090 struct net_device *ndev,
1091 const u8 *mac,
1092 struct station_info *sinfo)
1093 {
1094 int ret = 0;
1095 struct adapter *padapter = rtw_netdev_priv(ndev);
1096 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1097 struct sta_info *psta = NULL;
1098 struct sta_priv *pstapriv = &padapter->stapriv;
1099
1100 sinfo->filled = 0;
1101
1102 if (!mac) {
1103 ret = -ENOENT;
1104 goto exit;
1105 }
1106
1107 psta = rtw_get_stainfo(pstapriv, (u8 *)mac);
1108 if (psta == NULL) {
1109 ret = -ENOENT;
1110 goto exit;
1111 }
1112
1113 /* for infra./P2PClient mode */
1114 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
1115 && check_fwstate(pmlmepriv, _FW_LINKED)
1116 )
1117 {
1118 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1119
1120 if (memcmp((u8 *)mac, cur_network->network.MacAddress, ETH_ALEN)) {
1121 ret = -ENOENT;
1122 goto exit;
1123 }
1124
1125 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1126 sinfo->signal = translate_percentage_to_dbm(padapter->recvpriv.signal_strength);
1127
1128 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1129 sinfo->txrate.legacy = rtw_get_cur_max_rate(padapter);
1130
1131 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
1132 sinfo->rx_packets = sta_rx_data_pkts(psta);
1133
1134 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
1135 sinfo->tx_packets = psta->sta_stats.tx_pkts;
1136 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1137 }
1138
1139 /* for Ad-Hoc/AP mode */
1140 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)
1141 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)
1142 || check_fwstate(pmlmepriv, WIFI_AP_STATE))
1143 && check_fwstate(pmlmepriv, _FW_LINKED)
1144 )
1145 {
1146 /* TODO: should acquire station info... */
1147 }
1148
1149 exit:
1150 return ret;
1151 }
1152
cfg80211_rtw_change_iface(struct wiphy * wiphy,struct net_device * ndev,enum nl80211_iftype type,struct vif_params * params)1153 static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
1154 struct net_device *ndev,
1155 enum nl80211_iftype type,
1156 struct vif_params *params)
1157 {
1158 enum nl80211_iftype old_type;
1159 enum ndis_802_11_network_infrastructure networkType;
1160 struct adapter *padapter = rtw_netdev_priv(ndev);
1161 struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1162 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1163 int ret = 0;
1164
1165 if (adapter_to_dvobj(padapter)->processing_dev_remove == true)
1166 {
1167 ret = -EPERM;
1168 goto exit;
1169 }
1170
1171 {
1172 if (netdev_open(ndev) != 0) {
1173 ret = -EPERM;
1174 goto exit;
1175 }
1176 }
1177
1178 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1179 ret = -EPERM;
1180 goto exit;
1181 }
1182
1183 old_type = rtw_wdev->iftype;
1184
1185 if (old_type != type)
1186 {
1187 pmlmeext->action_public_rxseq = 0xffff;
1188 pmlmeext->action_public_dialog_token = 0xff;
1189 }
1190
1191 switch (type) {
1192 case NL80211_IFTYPE_ADHOC:
1193 networkType = Ndis802_11IBSS;
1194 break;
1195 case NL80211_IFTYPE_STATION:
1196 networkType = Ndis802_11Infrastructure;
1197 break;
1198 case NL80211_IFTYPE_AP:
1199 networkType = Ndis802_11APMode;
1200 break;
1201 default:
1202 ret = -EOPNOTSUPP;
1203 goto exit;
1204 }
1205
1206 rtw_wdev->iftype = type;
1207
1208 if (rtw_set_802_11_infrastructure_mode(padapter, networkType) == false)
1209 {
1210 rtw_wdev->iftype = old_type;
1211 ret = -EPERM;
1212 goto exit;
1213 }
1214
1215 rtw_setopmode_cmd(padapter, networkType, true);
1216
1217 exit:
1218
1219 return ret;
1220 }
1221
rtw_cfg80211_indicate_scan_done(struct adapter * adapter,bool aborted)1222 void rtw_cfg80211_indicate_scan_done(struct adapter *adapter, bool aborted)
1223 {
1224 struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
1225 struct cfg80211_scan_info info = {
1226 .aborted = aborted
1227 };
1228
1229 spin_lock_bh(&pwdev_priv->scan_req_lock);
1230 if (pwdev_priv->scan_request) {
1231 /* avoid WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); */
1232 if (pwdev_priv->scan_request->wiphy == pwdev_priv->rtw_wdev->wiphy)
1233 cfg80211_scan_done(pwdev_priv->scan_request, &info);
1234
1235 pwdev_priv->scan_request = NULL;
1236 }
1237 spin_unlock_bh(&pwdev_priv->scan_req_lock);
1238 }
1239
rtw_cfg80211_unlink_bss(struct adapter * padapter,struct wlan_network * pnetwork)1240 void rtw_cfg80211_unlink_bss(struct adapter *padapter, struct wlan_network *pnetwork)
1241 {
1242 struct wireless_dev *pwdev = padapter->rtw_wdev;
1243 struct wiphy *wiphy = pwdev->wiphy;
1244 struct cfg80211_bss *bss = NULL;
1245 struct wlan_bssid_ex *select_network = &pnetwork->network;
1246
1247 bss = cfg80211_get_bss(wiphy, NULL/*notify_channel*/,
1248 select_network->MacAddress, select_network->Ssid.Ssid,
1249 select_network->Ssid.SsidLength, 0/*WLAN_CAPABILITY_ESS*/,
1250 0/*WLAN_CAPABILITY_ESS*/);
1251
1252 if (bss) {
1253 cfg80211_unlink_bss(wiphy, bss);
1254 cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
1255 }
1256 }
1257
rtw_cfg80211_surveydone_event_callback(struct adapter * padapter)1258 void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
1259 {
1260 struct list_head *plist, *phead;
1261 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1262 struct __queue *queue = &(pmlmepriv->scanned_queue);
1263 struct wlan_network *pnetwork = NULL;
1264
1265 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1266
1267 phead = get_list_head(queue);
1268 plist = get_next(phead);
1269
1270 while (1)
1271 {
1272 if (phead == plist)
1273 break;
1274
1275 pnetwork = container_of(plist, struct wlan_network, list);
1276
1277 /* report network only if the current channel set contains the channel to which this network belongs */
1278 if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.Configuration.DSConfig) >= 0
1279 && rtw_mlme_band_check(padapter, pnetwork->network.Configuration.DSConfig) == true
1280 && true == rtw_validate_ssid(&(pnetwork->network.Ssid))
1281 )
1282 {
1283 /* ev =translate_scan(padapter, a, pnetwork, ev, stop); */
1284 rtw_cfg80211_inform_bss(padapter, pnetwork);
1285 }
1286
1287 plist = get_next(plist);
1288
1289 }
1290
1291 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1292 }
1293
rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter * padapter,char * buf,int len)1294 static int rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter *padapter, char *buf, int len)
1295 {
1296 int ret = 0;
1297 uint wps_ielen = 0;
1298 u8 *wps_ie;
1299 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1300
1301 if (len > 0)
1302 {
1303 wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen);
1304 if (wps_ie)
1305 {
1306 if (pmlmepriv->wps_probe_req_ie)
1307 {
1308 pmlmepriv->wps_probe_req_ie_len = 0;
1309 kfree(pmlmepriv->wps_probe_req_ie);
1310 pmlmepriv->wps_probe_req_ie = NULL;
1311 }
1312
1313 pmlmepriv->wps_probe_req_ie = rtw_malloc(wps_ielen);
1314 if (!pmlmepriv->wps_probe_req_ie)
1315 return -EINVAL;
1316
1317 memcpy(pmlmepriv->wps_probe_req_ie, wps_ie, wps_ielen);
1318 pmlmepriv->wps_probe_req_ie_len = wps_ielen;
1319 }
1320 }
1321
1322 return ret;
1323
1324 }
1325
cfg80211_rtw_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)1326 static int cfg80211_rtw_scan(struct wiphy *wiphy
1327 , struct cfg80211_scan_request *request)
1328 {
1329 struct net_device *ndev = wdev_to_ndev(request->wdev);
1330 int i;
1331 u8 _status = false;
1332 int ret = 0;
1333 struct ndis_802_11_ssid *ssid = NULL;
1334 struct rtw_ieee80211_channel ch[RTW_CHANNEL_SCAN_AMOUNT];
1335 u8 survey_times = 3;
1336 u8 survey_times_for_one_ch = 6;
1337 struct cfg80211_ssid *ssids = request->ssids;
1338 int j = 0;
1339 bool need_indicate_scan_done = false;
1340
1341 struct adapter *padapter;
1342 struct rtw_wdev_priv *pwdev_priv;
1343 struct mlme_priv *pmlmepriv;
1344
1345 if (ndev == NULL) {
1346 ret = -EINVAL;
1347 goto exit;
1348 }
1349
1350 padapter = rtw_netdev_priv(ndev);
1351 pwdev_priv = adapter_wdev_data(padapter);
1352 pmlmepriv = &padapter->mlmepriv;
1353 /* endif */
1354
1355 spin_lock_bh(&pwdev_priv->scan_req_lock);
1356 pwdev_priv->scan_request = request;
1357 spin_unlock_bh(&pwdev_priv->scan_req_lock);
1358
1359 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
1360 {
1361 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS|_FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true)
1362 {
1363 need_indicate_scan_done = true;
1364 goto check_need_indicate_scan_done;
1365 }
1366 }
1367
1368 rtw_ps_deny(padapter, PS_DENY_SCAN);
1369 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1370 need_indicate_scan_done = true;
1371 goto check_need_indicate_scan_done;
1372 }
1373
1374 if (request->ie && request->ie_len > 0)
1375 rtw_cfg80211_set_probe_req_wpsp2pie(padapter, (u8 *)request->ie, request->ie_len);
1376
1377 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
1378 need_indicate_scan_done = true;
1379 goto check_need_indicate_scan_done;
1380 } else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1381 ret = -EBUSY;
1382 goto check_need_indicate_scan_done;
1383 }
1384
1385 if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true)
1386 {
1387 static unsigned long lastscantime = 0;
1388 unsigned long passtime;
1389
1390 passtime = jiffies_to_msecs(jiffies - lastscantime);
1391 lastscantime = jiffies;
1392 if (passtime > 12000)
1393 {
1394 need_indicate_scan_done = true;
1395 goto check_need_indicate_scan_done;
1396 }
1397 }
1398
1399 if (rtw_is_scan_deny(padapter)) {
1400 need_indicate_scan_done = true;
1401 goto check_need_indicate_scan_done;
1402 }
1403
1404 ssid = kzalloc(RTW_SSID_SCAN_AMOUNT * sizeof(struct ndis_802_11_ssid),
1405 GFP_KERNEL);
1406 if (!ssid) {
1407 ret = -ENOMEM;
1408 goto check_need_indicate_scan_done;
1409 }
1410
1411 /* parsing request ssids, n_ssids */
1412 for (i = 0; i < request->n_ssids && i < RTW_SSID_SCAN_AMOUNT; i++) {
1413 memcpy(ssid[i].Ssid, ssids[i].ssid, ssids[i].ssid_len);
1414 ssid[i].SsidLength = ssids[i].ssid_len;
1415 }
1416
1417 /* parsing channels, n_channels */
1418 memset(ch, 0, sizeof(struct rtw_ieee80211_channel)*RTW_CHANNEL_SCAN_AMOUNT);
1419 for (i = 0; i < request->n_channels && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
1420 ch[i].hw_value = request->channels[i]->hw_value;
1421 ch[i].flags = request->channels[i]->flags;
1422 }
1423
1424 spin_lock_bh(&pmlmepriv->lock);
1425 if (request->n_channels == 1) {
1426 for (i = 1; i < survey_times_for_one_ch; i++)
1427 memcpy(&ch[i], &ch[0], sizeof(struct rtw_ieee80211_channel));
1428 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times_for_one_ch);
1429 } else if (request->n_channels <= 4) {
1430 for (j = request->n_channels - 1; j >= 0; j--)
1431 for (i = 0; i < survey_times; i++)
1432 {
1433 memcpy(&ch[j*survey_times+i], &ch[j], sizeof(struct rtw_ieee80211_channel));
1434 }
1435 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times * request->n_channels);
1436 } else {
1437 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, NULL, 0);
1438 }
1439 spin_unlock_bh(&pmlmepriv->lock);
1440
1441
1442 if (_status == false)
1443 {
1444 ret = -1;
1445 }
1446
1447 check_need_indicate_scan_done:
1448 kfree(ssid);
1449 if (need_indicate_scan_done)
1450 {
1451 rtw_cfg80211_surveydone_event_callback(padapter);
1452 rtw_cfg80211_indicate_scan_done(padapter, false);
1453 }
1454
1455 rtw_ps_deny_cancel(padapter, PS_DENY_SCAN);
1456
1457 exit:
1458 return ret;
1459
1460 }
1461
cfg80211_rtw_set_wiphy_params(struct wiphy * wiphy,u32 changed)1462 static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1463 {
1464 return 0;
1465 }
1466
rtw_cfg80211_set_wpa_version(struct security_priv * psecuritypriv,u32 wpa_version)1467 static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
1468 {
1469 if (!wpa_version) {
1470 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1471 return 0;
1472 }
1473
1474
1475 if (wpa_version & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1476 {
1477 psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPAPSK;
1478 }
1479
1480 return 0;
1481
1482 }
1483
rtw_cfg80211_set_auth_type(struct security_priv * psecuritypriv,enum nl80211_auth_type sme_auth_type)1484 static int rtw_cfg80211_set_auth_type(struct security_priv *psecuritypriv,
1485 enum nl80211_auth_type sme_auth_type)
1486 {
1487 switch (sme_auth_type) {
1488 case NL80211_AUTHTYPE_AUTOMATIC:
1489
1490 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
1491
1492 break;
1493 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1494
1495 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1496
1497 if (psecuritypriv->ndisauthtype > Ndis802_11AuthModeWPA)
1498 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1499
1500 break;
1501 case NL80211_AUTHTYPE_SHARED_KEY:
1502
1503 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;
1504
1505 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
1506
1507
1508 break;
1509 default:
1510 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1511 /* return -ENOTSUPP; */
1512 }
1513
1514 return 0;
1515
1516 }
1517
rtw_cfg80211_set_cipher(struct security_priv * psecuritypriv,u32 cipher,bool ucast)1518 static int rtw_cfg80211_set_cipher(struct security_priv *psecuritypriv, u32 cipher, bool ucast)
1519 {
1520 u32 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1521
1522 u32 *profile_cipher = ucast ? &psecuritypriv->dot11PrivacyAlgrthm :
1523 &psecuritypriv->dot118021XGrpPrivacy;
1524
1525
1526 if (!cipher) {
1527 *profile_cipher = _NO_PRIVACY_;
1528 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1529 return 0;
1530 }
1531
1532 switch (cipher) {
1533 case IW_AUTH_CIPHER_NONE:
1534 *profile_cipher = _NO_PRIVACY_;
1535 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1536 break;
1537 case WLAN_CIPHER_SUITE_WEP40:
1538 *profile_cipher = _WEP40_;
1539 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1540 break;
1541 case WLAN_CIPHER_SUITE_WEP104:
1542 *profile_cipher = _WEP104_;
1543 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1544 break;
1545 case WLAN_CIPHER_SUITE_TKIP:
1546 *profile_cipher = _TKIP_;
1547 ndisencryptstatus = Ndis802_11Encryption2Enabled;
1548 break;
1549 case WLAN_CIPHER_SUITE_CCMP:
1550 *profile_cipher = _AES_;
1551 ndisencryptstatus = Ndis802_11Encryption3Enabled;
1552 break;
1553 default:
1554 return -ENOTSUPP;
1555 }
1556
1557 if (ucast) {
1558 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1559
1560 /* if (psecuritypriv->dot11PrivacyAlgrthm >= _AES_) */
1561 /* psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPA2PSK; */
1562 }
1563
1564 return 0;
1565 }
1566
rtw_cfg80211_set_key_mgt(struct security_priv * psecuritypriv,u32 key_mgt)1567 static int rtw_cfg80211_set_key_mgt(struct security_priv *psecuritypriv, u32 key_mgt)
1568 {
1569 if (key_mgt == WLAN_AKM_SUITE_8021X)
1570 /* auth_type = UMAC_AUTH_TYPE_8021X; */
1571 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1572 else if (key_mgt == WLAN_AKM_SUITE_PSK) {
1573 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1574 }
1575
1576 return 0;
1577 }
1578
rtw_cfg80211_set_wpa_ie(struct adapter * padapter,u8 * pie,size_t ielen)1579 static int rtw_cfg80211_set_wpa_ie(struct adapter *padapter, u8 *pie, size_t ielen)
1580 {
1581 u8 *buf = NULL;
1582 int group_cipher = 0, pairwise_cipher = 0;
1583 int ret = 0;
1584 int wpa_ielen = 0;
1585 int wpa2_ielen = 0;
1586 u8 *pwpa, *pwpa2;
1587 u8 null_addr[] = {0, 0, 0, 0, 0, 0};
1588
1589 if (pie == NULL || !ielen) {
1590 /* Treat this as normal case, but need to clear WIFI_UNDER_WPS */
1591 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1592 goto exit;
1593 }
1594
1595 if (ielen > MAX_WPA_IE_LEN+MAX_WPS_IE_LEN+MAX_P2P_IE_LEN) {
1596 ret = -EINVAL;
1597 goto exit;
1598 }
1599
1600 buf = rtw_zmalloc(ielen);
1601 if (buf == NULL) {
1602 ret = -ENOMEM;
1603 goto exit;
1604 }
1605
1606 memcpy(buf, pie, ielen);
1607
1608 if (ielen < RSN_HEADER_LEN) {
1609 ret = -1;
1610 goto exit;
1611 }
1612
1613 pwpa = rtw_get_wpa_ie(buf, &wpa_ielen, ielen);
1614 if (pwpa && wpa_ielen > 0) {
1615 if (rtw_parse_wpa_ie(pwpa, wpa_ielen+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1616 padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1617 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
1618 memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen+2);
1619 }
1620 }
1621
1622 pwpa2 = rtw_get_wpa2_ie(buf, &wpa2_ielen, ielen);
1623 if (pwpa2 && wpa2_ielen > 0) {
1624 if (rtw_parse_wpa2_ie(pwpa2, wpa2_ielen+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1625 padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1626 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
1627 memcpy(padapter->securitypriv.supplicant_ie, &pwpa2[0], wpa2_ielen+2);
1628 }
1629 }
1630
1631 if (group_cipher == 0)
1632 group_cipher = WPA_CIPHER_NONE;
1633
1634 if (pairwise_cipher == 0)
1635 pairwise_cipher = WPA_CIPHER_NONE;
1636
1637 switch (group_cipher)
1638 {
1639 case WPA_CIPHER_NONE:
1640 padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
1641 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1642 break;
1643 case WPA_CIPHER_WEP40:
1644 padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
1645 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1646 break;
1647 case WPA_CIPHER_TKIP:
1648 padapter->securitypriv.dot118021XGrpPrivacy = _TKIP_;
1649 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1650 break;
1651 case WPA_CIPHER_CCMP:
1652 padapter->securitypriv.dot118021XGrpPrivacy = _AES_;
1653 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1654 break;
1655 case WPA_CIPHER_WEP104:
1656 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1657 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1658 break;
1659 }
1660
1661 switch (pairwise_cipher)
1662 {
1663 case WPA_CIPHER_NONE:
1664 padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
1665 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1666 break;
1667 case WPA_CIPHER_WEP40:
1668 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
1669 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1670 break;
1671 case WPA_CIPHER_TKIP:
1672 padapter->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
1673 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1674 break;
1675 case WPA_CIPHER_CCMP:
1676 padapter->securitypriv.dot11PrivacyAlgrthm = _AES_;
1677 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1678 break;
1679 case WPA_CIPHER_WEP104:
1680 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1681 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1682 break;
1683 }
1684
1685 {/* handle wps_ie */
1686 uint wps_ielen;
1687 u8 *wps_ie;
1688
1689 wps_ie = rtw_get_wps_ie(buf, ielen, NULL, &wps_ielen);
1690 if (wps_ie && wps_ielen > 0) {
1691 padapter->securitypriv.wps_ie_len = wps_ielen < MAX_WPS_IE_LEN ? wps_ielen : MAX_WPS_IE_LEN;
1692 memcpy(padapter->securitypriv.wps_ie, wps_ie, padapter->securitypriv.wps_ie_len);
1693 set_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS);
1694 } else {
1695 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1696 }
1697 }
1698
1699 /* TKIP and AES disallow multicast packets until installing group key */
1700 if (padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_
1701 || padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
1702 || padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
1703 /* WPS open need to enable multicast */
1704 /* check_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS) == true) */
1705 rtw_hal_set_hwreg(padapter, HW_VAR_OFF_RCR_AM, null_addr);
1706
1707 exit:
1708 kfree(buf);
1709 if (ret)
1710 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1711 return ret;
1712 }
1713
cfg80211_rtw_join_ibss(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ibss_params * params)1714 static int cfg80211_rtw_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1715 struct cfg80211_ibss_params *params)
1716 {
1717 struct adapter *padapter = rtw_netdev_priv(ndev);
1718 struct ndis_802_11_ssid ndis_ssid;
1719 struct security_priv *psecuritypriv = &padapter->securitypriv;
1720 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1721 int ret = 0;
1722
1723 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1724 ret = -EPERM;
1725 goto exit;
1726 }
1727
1728 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1729 ret = -EPERM;
1730 goto exit;
1731 }
1732
1733 if (!params->ssid || !params->ssid_len) {
1734 ret = -EINVAL;
1735 goto exit;
1736 }
1737
1738 if (params->ssid_len > IW_ESSID_MAX_SIZE) {
1739
1740 ret = -E2BIG;
1741 goto exit;
1742 }
1743
1744 memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1745 ndis_ssid.SsidLength = params->ssid_len;
1746 memcpy(ndis_ssid.Ssid, (u8 *)params->ssid, params->ssid_len);
1747
1748 psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1749 psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1750 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1751 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1752 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1753
1754 ret = rtw_cfg80211_set_auth_type(psecuritypriv, NL80211_AUTHTYPE_OPEN_SYSTEM);
1755 rtw_set_802_11_authentication_mode(padapter, psecuritypriv->ndisauthtype);
1756
1757 if (rtw_set_802_11_ssid(padapter, &ndis_ssid) == false) {
1758 ret = -1;
1759 goto exit;
1760 }
1761
1762 exit:
1763 return ret;
1764 }
1765
cfg80211_rtw_leave_ibss(struct wiphy * wiphy,struct net_device * ndev)1766 static int cfg80211_rtw_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1767 {
1768 struct adapter *padapter = rtw_netdev_priv(ndev);
1769 struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1770 enum nl80211_iftype old_type;
1771 int ret = 0;
1772
1773 old_type = rtw_wdev->iftype;
1774
1775 rtw_set_to_roam(padapter, 0);
1776
1777 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
1778 rtw_scan_abort(padapter);
1779 LeaveAllPowerSaveMode(padapter);
1780
1781 rtw_wdev->iftype = NL80211_IFTYPE_STATION;
1782
1783 if (rtw_set_802_11_infrastructure_mode(padapter, Ndis802_11Infrastructure) == false)
1784 {
1785 rtw_wdev->iftype = old_type;
1786 ret = -EPERM;
1787 goto leave_ibss;
1788 }
1789 rtw_setopmode_cmd(padapter, Ndis802_11Infrastructure, true);
1790 }
1791
1792 leave_ibss:
1793 return ret;
1794 }
1795
cfg80211_rtw_connect(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_connect_params * sme)1796 static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev,
1797 struct cfg80211_connect_params *sme)
1798 {
1799 int ret = 0;
1800 enum ndis_802_11_authentication_mode authmode;
1801 struct ndis_802_11_ssid ndis_ssid;
1802 struct adapter *padapter = rtw_netdev_priv(ndev);
1803 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1804 struct security_priv *psecuritypriv = &padapter->securitypriv;
1805
1806 padapter->mlmepriv.not_indic_disco = true;
1807
1808
1809 if (adapter_wdev_data(padapter)->block == true) {
1810 ret = -EBUSY;
1811 goto exit;
1812 }
1813
1814 rtw_ps_deny(padapter, PS_DENY_JOIN);
1815 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1816 ret = -EPERM;
1817 goto exit;
1818 }
1819
1820 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1821 ret = -EPERM;
1822 goto exit;
1823 }
1824
1825 if (!sme->ssid || !sme->ssid_len) {
1826 ret = -EINVAL;
1827 goto exit;
1828 }
1829
1830 if (sme->ssid_len > IW_ESSID_MAX_SIZE) {
1831
1832 ret = -E2BIG;
1833 goto exit;
1834 }
1835
1836 memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1837 ndis_ssid.SsidLength = sme->ssid_len;
1838 memcpy(ndis_ssid.Ssid, (u8 *)sme->ssid, sme->ssid_len);
1839
1840 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1841 ret = -EBUSY;
1842 goto exit;
1843 }
1844 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
1845 rtw_scan_abort(padapter);
1846 }
1847
1848 psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1849 psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1850 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1851 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1852 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1853
1854 ret = rtw_cfg80211_set_wpa_version(psecuritypriv, sme->crypto.wpa_versions);
1855 if (ret < 0)
1856 goto exit;
1857
1858 ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme->auth_type);
1859
1860 if (ret < 0)
1861 goto exit;
1862
1863 ret = rtw_cfg80211_set_wpa_ie(padapter, (u8 *)sme->ie, sme->ie_len);
1864 if (ret < 0)
1865 goto exit;
1866
1867 if (sme->crypto.n_ciphers_pairwise) {
1868 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.ciphers_pairwise[0], true);
1869 if (ret < 0)
1870 goto exit;
1871 }
1872
1873 /* For WEP Shared auth */
1874 if ((psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Shared ||
1875 psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Auto) && sme->key) {
1876 u32 wep_key_idx, wep_key_len, wep_total_len;
1877 struct ndis_802_11_wep *pwep = NULL;
1878
1879 wep_key_idx = sme->key_idx;
1880 wep_key_len = sme->key_len;
1881
1882 if (sme->key_idx > WEP_KEYS) {
1883 ret = -EINVAL;
1884 goto exit;
1885 }
1886
1887 if (wep_key_len > 0) {
1888 wep_key_len = wep_key_len <= 5 ? 5 : 13;
1889 wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
1890 pwep = rtw_malloc(wep_total_len);
1891 if (pwep == NULL) {
1892 ret = -ENOMEM;
1893 goto exit;
1894 }
1895
1896 memset(pwep, 0, wep_total_len);
1897
1898 pwep->KeyLength = wep_key_len;
1899 pwep->Length = wep_total_len;
1900
1901 if (wep_key_len == 13) {
1902 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1903 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1904 }
1905 } else {
1906 ret = -EINVAL;
1907 goto exit;
1908 }
1909
1910 pwep->KeyIndex = wep_key_idx;
1911 pwep->KeyIndex |= 0x80000000;
1912
1913 memcpy(pwep->KeyMaterial, (void *)sme->key, pwep->KeyLength);
1914
1915 if (rtw_set_802_11_add_wep(padapter, pwep) == (u8)_FAIL)
1916 ret = -EOPNOTSUPP;
1917
1918 kfree(pwep);
1919
1920 if (ret < 0)
1921 goto exit;
1922 }
1923
1924 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.cipher_group, false);
1925 if (ret < 0)
1926 return ret;
1927
1928 if (sme->crypto.n_akm_suites) {
1929 ret = rtw_cfg80211_set_key_mgt(psecuritypriv, sme->crypto.akm_suites[0]);
1930 if (ret < 0)
1931 goto exit;
1932 }
1933
1934 authmode = psecuritypriv->ndisauthtype;
1935 rtw_set_802_11_authentication_mode(padapter, authmode);
1936
1937 /* rtw_set_802_11_encryption_mode(padapter, padapter->securitypriv.ndisencryptstatus); */
1938
1939 if (rtw_set_802_11_connect(padapter, (u8 *)sme->bssid, &ndis_ssid) == false) {
1940 ret = -1;
1941 goto exit;
1942 }
1943
1944 exit:
1945
1946 rtw_ps_deny_cancel(padapter, PS_DENY_JOIN);
1947
1948 padapter->mlmepriv.not_indic_disco = false;
1949
1950 return ret;
1951 }
1952
cfg80211_rtw_disconnect(struct wiphy * wiphy,struct net_device * ndev,u16 reason_code)1953 static int cfg80211_rtw_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1954 u16 reason_code)
1955 {
1956 struct adapter *padapter = rtw_netdev_priv(ndev);
1957
1958 rtw_set_to_roam(padapter, 0);
1959
1960 rtw_scan_abort(padapter);
1961 LeaveAllPowerSaveMode(padapter);
1962 rtw_disassoc_cmd(padapter, 500, false);
1963
1964 rtw_indicate_disconnect(padapter);
1965
1966 rtw_free_assoc_resources(padapter, 1);
1967 rtw_pwr_wakeup(padapter);
1968
1969 return 0;
1970 }
1971
cfg80211_rtw_set_txpower(struct wiphy * wiphy,struct wireless_dev * wdev,enum nl80211_tx_power_setting type,int mbm)1972 static int cfg80211_rtw_set_txpower(struct wiphy *wiphy,
1973 struct wireless_dev *wdev,
1974 enum nl80211_tx_power_setting type, int mbm)
1975 {
1976 return 0;
1977 }
1978
cfg80211_rtw_get_txpower(struct wiphy * wiphy,struct wireless_dev * wdev,int * dbm)1979 static int cfg80211_rtw_get_txpower(struct wiphy *wiphy,
1980 struct wireless_dev *wdev,
1981 int *dbm)
1982 {
1983 *dbm = (12);
1984
1985 return 0;
1986 }
1987
rtw_cfg80211_pwr_mgmt(struct adapter * adapter)1988 inline bool rtw_cfg80211_pwr_mgmt(struct adapter *adapter)
1989 {
1990 struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(adapter);
1991 return rtw_wdev_priv->power_mgmt;
1992 }
1993
cfg80211_rtw_set_power_mgmt(struct wiphy * wiphy,struct net_device * ndev,bool enabled,int timeout)1994 static int cfg80211_rtw_set_power_mgmt(struct wiphy *wiphy,
1995 struct net_device *ndev,
1996 bool enabled, int timeout)
1997 {
1998 struct adapter *padapter = rtw_netdev_priv(ndev);
1999 struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(padapter);
2000
2001 rtw_wdev_priv->power_mgmt = enabled;
2002
2003 if (!enabled)
2004 LPS_Leave(padapter, "CFG80211_PWRMGMT");
2005
2006 return 0;
2007 }
2008
cfg80211_rtw_set_pmksa(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_pmksa * pmksa)2009 static int cfg80211_rtw_set_pmksa(struct wiphy *wiphy,
2010 struct net_device *ndev,
2011 struct cfg80211_pmksa *pmksa)
2012 {
2013 u8 index, blInserted = false;
2014 struct adapter *padapter = rtw_netdev_priv(ndev);
2015 struct security_priv *psecuritypriv = &padapter->securitypriv;
2016 u8 strZeroMacAddress[ETH_ALEN] = { 0x00 };
2017
2018 if (!memcmp((u8 *)pmksa->bssid, strZeroMacAddress, ETH_ALEN))
2019 return -EINVAL;
2020
2021 blInserted = false;
2022
2023 /* overwrite PMKID */
2024 for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
2025 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
2026
2027 memcpy(psecuritypriv->PMKIDList[index].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
2028 psecuritypriv->PMKIDList[index].bUsed = true;
2029 psecuritypriv->PMKIDIndex = index+1;
2030 blInserted = true;
2031 break;
2032 }
2033 }
2034
2035 if (!blInserted) {
2036
2037 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].Bssid, (u8 *)pmksa->bssid, ETH_ALEN);
2038 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
2039
2040 psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].bUsed = true;
2041 psecuritypriv->PMKIDIndex++;
2042 if (psecuritypriv->PMKIDIndex == 16)
2043 psecuritypriv->PMKIDIndex = 0;
2044 }
2045
2046 return 0;
2047 }
2048
cfg80211_rtw_del_pmksa(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_pmksa * pmksa)2049 static int cfg80211_rtw_del_pmksa(struct wiphy *wiphy,
2050 struct net_device *ndev,
2051 struct cfg80211_pmksa *pmksa)
2052 {
2053 u8 index, bMatched = false;
2054 struct adapter *padapter = rtw_netdev_priv(ndev);
2055 struct security_priv *psecuritypriv = &padapter->securitypriv;
2056
2057 for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
2058 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
2059 /*
2060 * BSSID is matched, the same AP => Remove this PMKID information
2061 * and reset it.
2062 */
2063 eth_zero_addr(psecuritypriv->PMKIDList[index].Bssid);
2064 memset(psecuritypriv->PMKIDList[index].PMKID, 0x00, WLAN_PMKID_LEN);
2065 psecuritypriv->PMKIDList[index].bUsed = false;
2066 bMatched = true;
2067 break;
2068 }
2069 }
2070
2071 if (!bMatched)
2072 return -EINVAL;
2073
2074 return 0;
2075 }
2076
cfg80211_rtw_flush_pmksa(struct wiphy * wiphy,struct net_device * ndev)2077 static int cfg80211_rtw_flush_pmksa(struct wiphy *wiphy,
2078 struct net_device *ndev)
2079 {
2080 struct adapter *padapter = rtw_netdev_priv(ndev);
2081 struct security_priv *psecuritypriv = &padapter->securitypriv;
2082
2083 memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
2084 psecuritypriv->PMKIDIndex = 0;
2085
2086 return 0;
2087 }
2088
rtw_cfg80211_indicate_sta_assoc(struct adapter * padapter,u8 * pmgmt_frame,uint frame_len)2089 void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame, uint frame_len)
2090 {
2091 struct net_device *ndev = padapter->pnetdev;
2092
2093 {
2094 struct station_info sinfo;
2095 u8 ie_offset;
2096 if (GetFrameSubType(pmgmt_frame) == WIFI_ASSOCREQ)
2097 ie_offset = _ASOCREQ_IE_OFFSET_;
2098 else /* WIFI_REASSOCREQ */
2099 ie_offset = _REASOCREQ_IE_OFFSET_;
2100
2101 sinfo.filled = 0;
2102 sinfo.assoc_req_ies = pmgmt_frame + WLAN_HDR_A3_LEN + ie_offset;
2103 sinfo.assoc_req_ies_len = frame_len - WLAN_HDR_A3_LEN - ie_offset;
2104 cfg80211_new_sta(ndev, GetAddr2Ptr(pmgmt_frame), &sinfo, GFP_ATOMIC);
2105 }
2106 }
2107
rtw_cfg80211_indicate_sta_disassoc(struct adapter * padapter,unsigned char * da,unsigned short reason)2108 void rtw_cfg80211_indicate_sta_disassoc(struct adapter *padapter, unsigned char *da, unsigned short reason)
2109 {
2110 struct net_device *ndev = padapter->pnetdev;
2111
2112 cfg80211_del_sta(ndev, da, GFP_ATOMIC);
2113 }
2114
2115
2116
rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff * skb,struct net_device * ndev)2117 static netdev_tx_t rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
2118 {
2119 int rtap_len;
2120 int qos_len = 0;
2121 int dot11_hdr_len = 24;
2122 int snap_len = 6;
2123 unsigned char *pdata;
2124 u16 frame_control;
2125 unsigned char src_mac_addr[6];
2126 unsigned char dst_mac_addr[6];
2127 struct ieee80211_hdr *dot11_hdr;
2128 struct ieee80211_radiotap_header *rtap_hdr;
2129 struct adapter *padapter = rtw_netdev_priv(ndev);
2130
2131 if (!skb)
2132 goto fail;
2133
2134 if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
2135 goto fail;
2136
2137 rtap_hdr = (struct ieee80211_radiotap_header *)skb->data;
2138 if (unlikely(rtap_hdr->it_version))
2139 goto fail;
2140
2141 rtap_len = ieee80211_get_radiotap_len(skb->data);
2142 if (unlikely(skb->len < rtap_len))
2143 goto fail;
2144
2145 if (rtap_len != 14)
2146 goto fail;
2147
2148 /* Skip the ratio tap header */
2149 skb_pull(skb, rtap_len);
2150
2151 dot11_hdr = (struct ieee80211_hdr *)skb->data;
2152 frame_control = le16_to_cpu(dot11_hdr->frame_control);
2153 /* Check if the QoS bit is set */
2154 if ((frame_control & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
2155 /* Check if this ia a Wireless Distribution System (WDS) frame
2156 * which has 4 MAC addresses
2157 */
2158 if (frame_control & 0x0080)
2159 qos_len = 2;
2160 if ((frame_control & 0x0300) == 0x0300)
2161 dot11_hdr_len += 6;
2162
2163 memcpy(dst_mac_addr, dot11_hdr->addr1, sizeof(dst_mac_addr));
2164 memcpy(src_mac_addr, dot11_hdr->addr2, sizeof(src_mac_addr));
2165
2166 /* Skip the 802.11 header, QoS (if any) and SNAP, but leave spaces for
2167 * for two MAC addresses
2168 */
2169 skb_pull(skb, dot11_hdr_len + qos_len + snap_len - sizeof(src_mac_addr) * 2);
2170 pdata = (unsigned char *)skb->data;
2171 memcpy(pdata, dst_mac_addr, sizeof(dst_mac_addr));
2172 memcpy(pdata + sizeof(dst_mac_addr), src_mac_addr, sizeof(src_mac_addr));
2173
2174 /* Use the real net device to transmit the packet */
2175 return _rtw_xmit_entry(skb, padapter->pnetdev);
2176
2177 } else if ((frame_control & (IEEE80211_FCTL_FTYPE|IEEE80211_FCTL_STYPE)) ==
2178 (IEEE80211_FTYPE_MGMT|IEEE80211_STYPE_ACTION)) {
2179 /* only for action frames */
2180 struct xmit_frame *pmgntframe;
2181 struct pkt_attrib *pattrib;
2182 unsigned char *pframe;
2183 /* u8 category, action, OUI_Subtype, dialogToken = 0; */
2184 /* unsigned char *frame_body; */
2185 struct ieee80211_hdr *pwlanhdr;
2186 struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2187 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2188 u8 *buf = skb->data;
2189 u32 len = skb->len;
2190 u8 category, action;
2191
2192 if (rtw_action_frame_parse(buf, len, &category, &action) == false)
2193 goto fail;
2194
2195 /* starting alloc mgmt frame to dump it */
2196 pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2197 if (!pmgntframe)
2198 goto fail;
2199
2200 /* update attribute */
2201 pattrib = &pmgntframe->attrib;
2202 update_mgntframe_attrib(padapter, pattrib);
2203 pattrib->retry_ctrl = false;
2204
2205 memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2206
2207 pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2208
2209 memcpy(pframe, (void *)buf, len);
2210 pattrib->pktlen = len;
2211
2212 pwlanhdr = (struct ieee80211_hdr *)pframe;
2213 /* update seq number */
2214 pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2215 pattrib->seqnum = pmlmeext->mgnt_seq;
2216 pmlmeext->mgnt_seq++;
2217
2218
2219 pattrib->last_txcmdsz = pattrib->pktlen;
2220
2221 dump_mgntframe(padapter, pmgntframe);
2222
2223 }
2224
2225 fail:
2226
2227 dev_kfree_skb_any(skb);
2228
2229 return NETDEV_TX_OK;
2230
2231 }
2232
2233
2234
2235 static const struct net_device_ops rtw_cfg80211_monitor_if_ops = {
2236 .ndo_start_xmit = rtw_cfg80211_monitor_if_xmit_entry,
2237 };
2238
rtw_cfg80211_add_monitor_if(struct adapter * padapter,char * name,struct net_device ** ndev)2239 static int rtw_cfg80211_add_monitor_if(struct adapter *padapter, char *name, struct net_device **ndev)
2240 {
2241 int ret = 0;
2242 struct net_device *mon_ndev = NULL;
2243 struct wireless_dev *mon_wdev = NULL;
2244 struct rtw_netdev_priv_indicator *pnpi;
2245 struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
2246
2247 if (!name) {
2248 ret = -EINVAL;
2249 goto out;
2250 }
2251
2252 if (pwdev_priv->pmon_ndev) {
2253 ret = -EBUSY;
2254 goto out;
2255 }
2256
2257 mon_ndev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2258 if (!mon_ndev) {
2259 ret = -ENOMEM;
2260 goto out;
2261 }
2262
2263 mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP;
2264 strncpy(mon_ndev->name, name, IFNAMSIZ);
2265 mon_ndev->name[IFNAMSIZ - 1] = 0;
2266 mon_ndev->needs_free_netdev = true;
2267 mon_ndev->priv_destructor = rtw_ndev_destructor;
2268
2269 mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops;
2270
2271 pnpi = netdev_priv(mon_ndev);
2272 pnpi->priv = padapter;
2273 pnpi->sizeof_priv = sizeof(struct adapter);
2274
2275 /* wdev */
2276 mon_wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2277 if (!mon_wdev) {
2278 ret = -ENOMEM;
2279 goto out;
2280 }
2281
2282 mon_wdev->wiphy = padapter->rtw_wdev->wiphy;
2283 mon_wdev->netdev = mon_ndev;
2284 mon_wdev->iftype = NL80211_IFTYPE_MONITOR;
2285 mon_ndev->ieee80211_ptr = mon_wdev;
2286
2287 ret = register_netdevice(mon_ndev);
2288 if (ret) {
2289 goto out;
2290 }
2291
2292 *ndev = pwdev_priv->pmon_ndev = mon_ndev;
2293 memcpy(pwdev_priv->ifname_mon, name, IFNAMSIZ+1);
2294
2295 out:
2296 if (ret && mon_wdev) {
2297 kfree(mon_wdev);
2298 mon_wdev = NULL;
2299 }
2300
2301 if (ret && mon_ndev) {
2302 free_netdev(mon_ndev);
2303 *ndev = mon_ndev = NULL;
2304 }
2305
2306 return ret;
2307 }
2308
2309 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)2310 cfg80211_rtw_add_virtual_intf(
2311 struct wiphy *wiphy,
2312 const char *name,
2313 unsigned char name_assign_type,
2314 enum nl80211_iftype type, struct vif_params *params)
2315 {
2316 int ret = 0;
2317 struct net_device *ndev = NULL;
2318 struct adapter *padapter = wiphy_to_adapter(wiphy);
2319
2320 switch (type) {
2321 case NL80211_IFTYPE_ADHOC:
2322 case NL80211_IFTYPE_AP_VLAN:
2323 case NL80211_IFTYPE_WDS:
2324 case NL80211_IFTYPE_MESH_POINT:
2325 ret = -ENODEV;
2326 break;
2327 case NL80211_IFTYPE_MONITOR:
2328 ret = rtw_cfg80211_add_monitor_if(padapter, (char *)name, &ndev);
2329 break;
2330 case NL80211_IFTYPE_P2P_CLIENT:
2331 case NL80211_IFTYPE_STATION:
2332 ret = -ENODEV;
2333 break;
2334 case NL80211_IFTYPE_P2P_GO:
2335 case NL80211_IFTYPE_AP:
2336 ret = -ENODEV;
2337 break;
2338 default:
2339 ret = -ENODEV;
2340 break;
2341 }
2342
2343 return ndev ? ndev->ieee80211_ptr : ERR_PTR(ret);
2344 }
2345
cfg80211_rtw_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)2346 static int cfg80211_rtw_del_virtual_intf(struct wiphy *wiphy,
2347 struct wireless_dev *wdev
2348 )
2349 {
2350 struct net_device *ndev = wdev_to_ndev(wdev);
2351 int ret = 0;
2352 struct adapter *adapter;
2353 struct rtw_wdev_priv *pwdev_priv;
2354
2355 if (!ndev) {
2356 ret = -EINVAL;
2357 goto exit;
2358 }
2359
2360 adapter = rtw_netdev_priv(ndev);
2361 pwdev_priv = adapter_wdev_data(adapter);
2362
2363 unregister_netdevice(ndev);
2364
2365 if (ndev == pwdev_priv->pmon_ndev) {
2366 pwdev_priv->pmon_ndev = NULL;
2367 pwdev_priv->ifname_mon[0] = '\0';
2368 }
2369
2370 exit:
2371 return ret;
2372 }
2373
rtw_add_beacon(struct adapter * adapter,const u8 * head,size_t head_len,const u8 * tail,size_t tail_len)2374 static int rtw_add_beacon(struct adapter *adapter, const u8 *head, size_t head_len, const u8 *tail, size_t tail_len)
2375 {
2376 int ret = 0;
2377 u8 *pbuf = NULL;
2378 uint len, wps_ielen = 0;
2379 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
2380
2381 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
2382 return -EINVAL;
2383
2384 if (head_len < 24)
2385 return -EINVAL;
2386
2387 pbuf = rtw_zmalloc(head_len+tail_len);
2388 if (!pbuf)
2389 return -ENOMEM;
2390
2391 memcpy(pbuf, (void *)head+24, head_len-24);/* 24 =beacon header len. */
2392 memcpy(pbuf+head_len-24, (void *)tail, tail_len);
2393
2394 len = head_len+tail_len-24;
2395
2396 /* check wps ie if inclued */
2397 rtw_get_wps_ie(pbuf + _FIXED_IE_LENGTH_, len - _FIXED_IE_LENGTH_, NULL, &wps_ielen);
2398
2399 /* pbss_network->IEs will not include p2p_ie, wfd ie */
2400 rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, P2P_OUI, 4);
2401 rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, WFD_OUI, 4);
2402
2403 if (rtw_check_beacon_data(adapter, pbuf, len) == _SUCCESS) {
2404 ret = 0;
2405 } else {
2406 ret = -EINVAL;
2407 }
2408
2409
2410 kfree(pbuf);
2411
2412 return ret;
2413 }
2414
cfg80211_rtw_start_ap(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ap_settings * settings)2415 static int cfg80211_rtw_start_ap(struct wiphy *wiphy, struct net_device *ndev,
2416 struct cfg80211_ap_settings *settings)
2417 {
2418 int ret = 0;
2419 struct adapter *adapter = rtw_netdev_priv(ndev);
2420
2421 ret = rtw_add_beacon(adapter, settings->beacon.head, settings->beacon.head_len,
2422 settings->beacon.tail, settings->beacon.tail_len);
2423
2424 adapter->mlmeextpriv.mlmext_info.hidden_ssid_mode = settings->hidden_ssid;
2425
2426 if (settings->ssid && settings->ssid_len) {
2427 struct wlan_bssid_ex *pbss_network = &adapter->mlmepriv.cur_network.network;
2428 struct wlan_bssid_ex *pbss_network_ext = &adapter->mlmeextpriv.mlmext_info.network;
2429
2430 memcpy(pbss_network->Ssid.Ssid, (void *)settings->ssid, settings->ssid_len);
2431 pbss_network->Ssid.SsidLength = settings->ssid_len;
2432 memcpy(pbss_network_ext->Ssid.Ssid, (void *)settings->ssid, settings->ssid_len);
2433 pbss_network_ext->Ssid.SsidLength = settings->ssid_len;
2434 }
2435
2436 return ret;
2437 }
2438
cfg80211_rtw_change_beacon(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_beacon_data * info)2439 static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
2440 struct cfg80211_beacon_data *info)
2441 {
2442 struct adapter *adapter = rtw_netdev_priv(ndev);
2443
2444 return rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);
2445 }
2446
cfg80211_rtw_stop_ap(struct wiphy * wiphy,struct net_device * ndev)2447 static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
2448 {
2449 return 0;
2450 }
2451
cfg80211_rtw_add_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_parameters * params)2452 static int cfg80211_rtw_add_station(struct wiphy *wiphy, struct net_device *ndev,
2453 const u8 *mac,
2454 struct station_parameters *params)
2455 {
2456 return 0;
2457 }
2458
cfg80211_rtw_del_station(struct wiphy * wiphy,struct net_device * ndev,struct station_del_parameters * params)2459 static int cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev,
2460 struct station_del_parameters *params)
2461 {
2462 int ret = 0;
2463 struct list_head *phead, *plist;
2464 u8 updated = false;
2465 struct sta_info *psta = NULL;
2466 struct adapter *padapter = rtw_netdev_priv(ndev);
2467 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2468 struct sta_priv *pstapriv = &padapter->stapriv;
2469 const u8 *mac = params->mac;
2470
2471 if (check_fwstate(pmlmepriv, (_FW_LINKED | WIFI_AP_STATE)) != true)
2472 return -EINVAL;
2473
2474 if (!mac) {
2475 flush_all_cam_entry(padapter); /* clear CAM */
2476
2477 rtw_sta_flush(padapter);
2478
2479 return 0;
2480 }
2481
2482 if (mac[0] == 0xff && mac[1] == 0xff &&
2483 mac[2] == 0xff && mac[3] == 0xff &&
2484 mac[4] == 0xff && mac[5] == 0xff) {
2485 return -EINVAL;
2486 }
2487
2488
2489 spin_lock_bh(&pstapriv->asoc_list_lock);
2490
2491 phead = &pstapriv->asoc_list;
2492 plist = get_next(phead);
2493
2494 /* check asoc_queue */
2495 while (phead != plist) {
2496 psta = container_of(plist, struct sta_info, asoc_list);
2497
2498 plist = get_next(plist);
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 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 == NULL) {
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,u8 rf_type)2726 static void rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap *ht_cap, enum nl80211_band band, u8 rf_type)
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 if (rf_type == RF_1T1R) {
2760 ht_cap->mcs.rx_mask[0] = 0xFF;
2761 ht_cap->mcs.rx_mask[1] = 0x00;
2762 ht_cap->mcs.rx_mask[4] = 0x01;
2763
2764 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
2765 } else if ((rf_type == RF_1T2R) || (rf_type == RF_2T2R)) {
2766 ht_cap->mcs.rx_mask[0] = 0xFF;
2767 ht_cap->mcs.rx_mask[1] = 0xFF;
2768 ht_cap->mcs.rx_mask[4] = 0x01;
2769
2770 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
2771 }
2772 }
2773
rtw_cfg80211_init_wiphy(struct adapter * padapter)2774 void rtw_cfg80211_init_wiphy(struct adapter *padapter)
2775 {
2776 u8 rf_type;
2777 struct ieee80211_supported_band *bands;
2778 struct wireless_dev *pwdev = padapter->rtw_wdev;
2779 struct wiphy *wiphy = pwdev->wiphy;
2780
2781 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2782
2783 {
2784 bands = wiphy->bands[NL80211_BAND_2GHZ];
2785 if (bands)
2786 rtw_cfg80211_init_ht_capab(&bands->ht_cap, NL80211_BAND_2GHZ, rf_type);
2787 }
2788
2789 /* copy mac_addr to wiphy */
2790 memcpy(wiphy->perm_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
2791
2792 }
2793
rtw_cfg80211_preinit_wiphy(struct adapter * padapter,struct wiphy * wiphy)2794 static void rtw_cfg80211_preinit_wiphy(struct adapter *padapter, struct wiphy *wiphy)
2795 {
2796
2797 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2798
2799 wiphy->max_scan_ssids = RTW_SSID_SCAN_AMOUNT;
2800 wiphy->max_scan_ie_len = RTW_SCAN_IE_LEN_MAX;
2801 wiphy->max_num_pmkids = RTW_MAX_NUM_PMKIDS;
2802
2803 wiphy->max_remain_on_channel_duration = RTW_MAX_REMAIN_ON_CHANNEL_DURATION;
2804
2805 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2806 | BIT(NL80211_IFTYPE_ADHOC)
2807 | BIT(NL80211_IFTYPE_AP)
2808 | BIT(NL80211_IFTYPE_MONITOR)
2809 ;
2810
2811 wiphy->mgmt_stypes = rtw_cfg80211_default_mgmt_stypes;
2812
2813 wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
2814
2815 wiphy->cipher_suites = rtw_cipher_suites;
2816 wiphy->n_cipher_suites = ARRAY_SIZE(rtw_cipher_suites);
2817
2818 /* if (padapter->registrypriv.wireless_mode & WIRELESS_11G) */
2819 wiphy->bands[NL80211_BAND_2GHZ] = rtw_spt_band_alloc(NL80211_BAND_2GHZ);
2820
2821 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2822 wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAVE_AP_SME;
2823
2824 #if defined(CONFIG_PM)
2825 wiphy->max_sched_scan_reqs = 1;
2826 #endif
2827
2828 #if defined(CONFIG_PM)
2829 wiphy->wowlan = &wowlan_stub;
2830 #endif
2831
2832 if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2833 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
2834 else
2835 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
2836 }
2837
2838 static struct cfg80211_ops rtw_cfg80211_ops = {
2839 .change_virtual_intf = cfg80211_rtw_change_iface,
2840 .add_key = cfg80211_rtw_add_key,
2841 .get_key = cfg80211_rtw_get_key,
2842 .del_key = cfg80211_rtw_del_key,
2843 .set_default_key = cfg80211_rtw_set_default_key,
2844 .get_station = cfg80211_rtw_get_station,
2845 .scan = cfg80211_rtw_scan,
2846 .set_wiphy_params = cfg80211_rtw_set_wiphy_params,
2847 .connect = cfg80211_rtw_connect,
2848 .disconnect = cfg80211_rtw_disconnect,
2849 .join_ibss = cfg80211_rtw_join_ibss,
2850 .leave_ibss = cfg80211_rtw_leave_ibss,
2851 .set_tx_power = cfg80211_rtw_set_txpower,
2852 .get_tx_power = cfg80211_rtw_get_txpower,
2853 .set_power_mgmt = cfg80211_rtw_set_power_mgmt,
2854 .set_pmksa = cfg80211_rtw_set_pmksa,
2855 .del_pmksa = cfg80211_rtw_del_pmksa,
2856 .flush_pmksa = cfg80211_rtw_flush_pmksa,
2857
2858 .add_virtual_intf = cfg80211_rtw_add_virtual_intf,
2859 .del_virtual_intf = cfg80211_rtw_del_virtual_intf,
2860
2861 .start_ap = cfg80211_rtw_start_ap,
2862 .change_beacon = cfg80211_rtw_change_beacon,
2863 .stop_ap = cfg80211_rtw_stop_ap,
2864
2865 .add_station = cfg80211_rtw_add_station,
2866 .del_station = cfg80211_rtw_del_station,
2867 .change_station = cfg80211_rtw_change_station,
2868 .dump_station = cfg80211_rtw_dump_station,
2869 .change_bss = cfg80211_rtw_change_bss,
2870
2871 .mgmt_tx = cfg80211_rtw_mgmt_tx,
2872 };
2873
rtw_wdev_alloc(struct adapter * padapter,struct device * dev)2874 int rtw_wdev_alloc(struct adapter *padapter, struct device *dev)
2875 {
2876 int ret = 0;
2877 struct wiphy *wiphy;
2878 struct wireless_dev *wdev;
2879 struct rtw_wdev_priv *pwdev_priv;
2880 struct net_device *pnetdev = padapter->pnetdev;
2881
2882 /* wiphy */
2883 wiphy = wiphy_new(&rtw_cfg80211_ops, sizeof(struct adapter *));
2884 if (!wiphy) {
2885 ret = -ENOMEM;
2886 goto exit;
2887 }
2888 set_wiphy_dev(wiphy, dev);
2889 *((struct adapter **)wiphy_priv(wiphy)) = padapter;
2890 rtw_cfg80211_preinit_wiphy(padapter, wiphy);
2891
2892 /* init regulary domain */
2893 rtw_regd_init(wiphy, rtw_reg_notifier);
2894
2895 ret = wiphy_register(wiphy);
2896 if (ret < 0)
2897 goto free_wiphy;
2898
2899 /* wdev */
2900 wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2901 if (!wdev) {
2902 ret = -ENOMEM;
2903 goto unregister_wiphy;
2904 }
2905 wdev->wiphy = wiphy;
2906 wdev->netdev = pnetdev;
2907
2908 wdev->iftype = NL80211_IFTYPE_STATION; /* will be init in rtw_hal_init() */
2909 /* Must sync with _rtw_init_mlme_priv() */
2910 /* pmlmepriv->fw_state = WIFI_STATION_STATE */
2911 padapter->rtw_wdev = wdev;
2912 pnetdev->ieee80211_ptr = wdev;
2913
2914 /* init pwdev_priv */
2915 pwdev_priv = adapter_wdev_data(padapter);
2916 pwdev_priv->rtw_wdev = wdev;
2917 pwdev_priv->pmon_ndev = NULL;
2918 pwdev_priv->ifname_mon[0] = '\0';
2919 pwdev_priv->padapter = padapter;
2920 pwdev_priv->scan_request = NULL;
2921 spin_lock_init(&pwdev_priv->scan_req_lock);
2922
2923 pwdev_priv->p2p_enabled = false;
2924 pwdev_priv->provdisc_req_issued = false;
2925 rtw_wdev_invit_info_init(&pwdev_priv->invit_info);
2926 rtw_wdev_nego_info_init(&pwdev_priv->nego_info);
2927
2928 pwdev_priv->bandroid_scan = false;
2929
2930 if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2931 pwdev_priv->power_mgmt = true;
2932 else
2933 pwdev_priv->power_mgmt = false;
2934
2935 return ret;
2936
2937 unregister_wiphy:
2938 wiphy_unregister(wiphy);
2939 free_wiphy:
2940 wiphy_free(wiphy);
2941 exit:
2942 return ret;
2943
2944 }
2945
rtw_wdev_free(struct wireless_dev * wdev)2946 void rtw_wdev_free(struct wireless_dev *wdev)
2947 {
2948 if (!wdev)
2949 return;
2950
2951 kfree(wdev->wiphy->bands[NL80211_BAND_2GHZ]);
2952
2953 wiphy_free(wdev->wiphy);
2954
2955 kfree(wdev);
2956 }
2957
rtw_wdev_unregister(struct wireless_dev * wdev)2958 void rtw_wdev_unregister(struct wireless_dev *wdev)
2959 {
2960 struct net_device *ndev;
2961 struct adapter *adapter;
2962 struct rtw_wdev_priv *pwdev_priv;
2963
2964 if (!wdev)
2965 return;
2966 ndev = wdev_to_ndev(wdev);
2967 if (!ndev)
2968 return;
2969
2970 adapter = rtw_netdev_priv(ndev);
2971 pwdev_priv = adapter_wdev_data(adapter);
2972
2973 rtw_cfg80211_indicate_scan_done(adapter, true);
2974
2975 if (pwdev_priv->pmon_ndev)
2976 unregister_netdev(pwdev_priv->pmon_ndev);
2977
2978 wiphy_unregister(wdev->wiphy);
2979 }
2980