1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7
8 #include <linux/etherdevice.h>
9 #include <drv_types.h>
10 #include <rtw_debug.h>
11 #include <linux/jiffies.h>
12
13 #include <rtw_wifi_regd.h>
14
15 #define RTW_MAX_MGMT_TX_CNT (8)
16
17 #define RTW_SCAN_IE_LEN_MAX 2304
18 #define RTW_MAX_REMAIN_ON_CHANNEL_DURATION 5000 /* ms */
19 #define RTW_MAX_NUM_PMKIDS 4
20
21 static const u32 rtw_cipher_suites[] = {
22 WLAN_CIPHER_SUITE_WEP40,
23 WLAN_CIPHER_SUITE_WEP104,
24 WLAN_CIPHER_SUITE_TKIP,
25 WLAN_CIPHER_SUITE_CCMP,
26 WLAN_CIPHER_SUITE_AES_CMAC,
27 };
28
29 #define RATETAB_ENT(_rate, _rateid, _flags) \
30 { \
31 .bitrate = (_rate), \
32 .hw_value = (_rateid), \
33 .flags = (_flags), \
34 }
35
36 #define CHAN2G(_channel, _freq, _flags) { \
37 .band = NL80211_BAND_2GHZ, \
38 .center_freq = (_freq), \
39 .hw_value = (_channel), \
40 .flags = (_flags), \
41 .max_antenna_gain = 0, \
42 .max_power = 30, \
43 }
44
45 /* if wowlan is not supported, kernel generate a disconnect at each suspend
46 * cf: /net/wireless/sysfs.c, so register a stub wowlan.
47 * Moreover wowlan has to be enabled via a the nl80211_set_wowlan callback.
48 * (from user space, e.g. iw phy0 wowlan enable)
49 */
50 static __maybe_unused const struct wiphy_wowlan_support wowlan_stub = {
51 .flags = WIPHY_WOWLAN_ANY,
52 .n_patterns = 0,
53 .pattern_max_len = 0,
54 .pattern_min_len = 0,
55 .max_pkt_offset = 0,
56 };
57
58 static struct ieee80211_rate rtw_rates[] = {
59 RATETAB_ENT(10, 0x1, 0),
60 RATETAB_ENT(20, 0x2, 0),
61 RATETAB_ENT(55, 0x4, 0),
62 RATETAB_ENT(110, 0x8, 0),
63 RATETAB_ENT(60, 0x10, 0),
64 RATETAB_ENT(90, 0x20, 0),
65 RATETAB_ENT(120, 0x40, 0),
66 RATETAB_ENT(180, 0x80, 0),
67 RATETAB_ENT(240, 0x100, 0),
68 RATETAB_ENT(360, 0x200, 0),
69 RATETAB_ENT(480, 0x400, 0),
70 RATETAB_ENT(540, 0x800, 0),
71 };
72
73 #define rtw_g_rates (rtw_rates + 0)
74 #define RTW_G_RATES_NUM 12
75
76 #define RTW_2G_CHANNELS_NUM 14
77
78 static struct ieee80211_channel rtw_2ghz_channels[] = {
79 CHAN2G(1, 2412, 0),
80 CHAN2G(2, 2417, 0),
81 CHAN2G(3, 2422, 0),
82 CHAN2G(4, 2427, 0),
83 CHAN2G(5, 2432, 0),
84 CHAN2G(6, 2437, 0),
85 CHAN2G(7, 2442, 0),
86 CHAN2G(8, 2447, 0),
87 CHAN2G(9, 2452, 0),
88 CHAN2G(10, 2457, 0),
89 CHAN2G(11, 2462, 0),
90 CHAN2G(12, 2467, 0),
91 CHAN2G(13, 2472, 0),
92 CHAN2G(14, 2484, 0),
93 };
94
rtw_2g_channels_init(struct ieee80211_channel * channels)95 static void rtw_2g_channels_init(struct ieee80211_channel *channels)
96 {
97 memcpy((void *)channels, (void *)rtw_2ghz_channels,
98 sizeof(struct ieee80211_channel) * RTW_2G_CHANNELS_NUM
99 );
100 }
101
rtw_2g_rates_init(struct ieee80211_rate * rates)102 static void rtw_2g_rates_init(struct ieee80211_rate *rates)
103 {
104 memcpy(rates, rtw_g_rates,
105 sizeof(struct ieee80211_rate) * RTW_G_RATES_NUM
106 );
107 }
108
rtw_spt_band_alloc(enum nl80211_band band)109 static struct ieee80211_supported_band *rtw_spt_band_alloc(
110 enum nl80211_band band
111 )
112 {
113 struct ieee80211_supported_band *spt_band = NULL;
114 int n_channels, n_bitrates;
115
116 if (band == NL80211_BAND_2GHZ) {
117 n_channels = RTW_2G_CHANNELS_NUM;
118 n_bitrates = RTW_G_RATES_NUM;
119 } else {
120 goto exit;
121 }
122
123 spt_band = rtw_zmalloc(sizeof(struct ieee80211_supported_band) +
124 sizeof(struct ieee80211_channel) * n_channels +
125 sizeof(struct ieee80211_rate) * n_bitrates);
126 if (!spt_band)
127 goto exit;
128
129 spt_band->channels = (struct ieee80211_channel *)(((u8 *)spt_band) + sizeof(struct ieee80211_supported_band));
130 spt_band->bitrates = (struct ieee80211_rate *)(((u8 *)spt_band->channels) + sizeof(struct ieee80211_channel) * n_channels);
131 spt_band->band = band;
132 spt_band->n_channels = n_channels;
133 spt_band->n_bitrates = n_bitrates;
134
135 if (band == NL80211_BAND_2GHZ) {
136 rtw_2g_channels_init(spt_band->channels);
137 rtw_2g_rates_init(spt_band->bitrates);
138 }
139
140 /* spt_band.ht_cap */
141
142 exit:
143
144 return spt_band;
145 }
146
147 static const struct ieee80211_txrx_stypes
148 rtw_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
149 [NL80211_IFTYPE_ADHOC] = {
150 .tx = 0xffff,
151 .rx = BIT(IEEE80211_STYPE_ACTION >> 4)
152 },
153 [NL80211_IFTYPE_STATION] = {
154 .tx = 0xffff,
155 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
156 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
157 },
158 [NL80211_IFTYPE_AP] = {
159 .tx = 0xffff,
160 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
161 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
162 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
163 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
164 BIT(IEEE80211_STYPE_AUTH >> 4) |
165 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
166 BIT(IEEE80211_STYPE_ACTION >> 4)
167 },
168 [NL80211_IFTYPE_AP_VLAN] = {
169 /* copy AP */
170 .tx = 0xffff,
171 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
172 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
173 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
174 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
175 BIT(IEEE80211_STYPE_AUTH >> 4) |
176 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
177 BIT(IEEE80211_STYPE_ACTION >> 4)
178 },
179 [NL80211_IFTYPE_P2P_CLIENT] = {
180 .tx = 0xffff,
181 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
182 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
183 },
184 [NL80211_IFTYPE_P2P_GO] = {
185 .tx = 0xffff,
186 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
187 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
188 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
189 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
190 BIT(IEEE80211_STYPE_AUTH >> 4) |
191 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
192 BIT(IEEE80211_STYPE_ACTION >> 4)
193 },
194 };
195
rtw_ieee80211_channel_to_frequency(int chan,int band)196 static int rtw_ieee80211_channel_to_frequency(int chan, int band)
197 {
198 if (band == NL80211_BAND_2GHZ) {
199 if (chan == 14)
200 return 2484;
201 else if (chan < 14)
202 return 2407 + chan * 5;
203 }
204
205 return 0; /* not supported */
206 }
207
208 #define MAX_BSSINFO_LEN 1000
rtw_cfg80211_inform_bss(struct adapter * padapter,struct wlan_network * pnetwork)209 struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wlan_network *pnetwork)
210 {
211 struct ieee80211_channel *notify_channel;
212 struct cfg80211_bss *bss = NULL;
213 /* struct ieee80211_supported_band *band; */
214 u16 channel;
215 u32 freq;
216 u64 notify_timestamp;
217 s32 notify_signal;
218 u8 *buf = NULL, *pbuf;
219 size_t len, bssinf_len = 0;
220 struct ieee80211_hdr *pwlanhdr;
221 __le16 *fctrl;
222
223 struct wireless_dev *wdev = padapter->rtw_wdev;
224 struct wiphy *wiphy = wdev->wiphy;
225 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
226
227 bssinf_len = pnetwork->network.ie_length + sizeof(struct ieee80211_hdr_3addr);
228 if (bssinf_len > MAX_BSSINFO_LEN)
229 goto exit;
230
231 {
232 u16 wapi_len = 0;
233
234 if (rtw_get_wapi_ie(pnetwork->network.ies, pnetwork->network.ie_length, NULL, &wapi_len) > 0) {
235 if (wapi_len > 0)
236 goto exit;
237 }
238 }
239
240 /* To reduce PBC Overlap rate */
241 /* spin_lock_bh(&pwdev_priv->scan_req_lock); */
242 if (adapter_wdev_data(padapter)->scan_request) {
243 u8 *psr = NULL, sr = 0;
244 struct ndis_802_11_ssid *pssid = &pnetwork->network.ssid;
245 struct cfg80211_scan_request *request = adapter_wdev_data(padapter)->scan_request;
246 struct cfg80211_ssid *ssids = request->ssids;
247 u32 wpsielen = 0;
248 u8 *wpsie = NULL;
249
250 wpsie = rtw_get_wps_ie(pnetwork->network.ies + _FIXED_IE_LENGTH_, pnetwork->network.ie_length - _FIXED_IE_LENGTH_, NULL, &wpsielen);
251
252 if (wpsie && wpsielen > 0)
253 psr = rtw_get_wps_attr_content(wpsie, wpsielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);
254
255 if (sr != 0) {
256 /* it means under processing WPS */
257 if (request->n_ssids == 1 && request->n_channels == 1) {
258 if (ssids[0].ssid_len != 0 &&
259 (pssid->ssid_length != ssids[0].ssid_len ||
260 memcmp(pssid->ssid, ssids[0].ssid, ssids[0].ssid_len))) {
261 if (psr)
262 *psr = 0; /* clear sr */
263 }
264 }
265 }
266 }
267 /* spin_unlock_bh(&pwdev_priv->scan_req_lock); */
268
269 channel = pnetwork->network.configuration.ds_config;
270 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
271
272 notify_channel = ieee80211_get_channel(wiphy, freq);
273
274 notify_timestamp = ktime_to_us(ktime_get_boottime());
275
276 /* We've set wiphy's signal_type as CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) */
277 if (check_fwstate(pmlmepriv, _FW_LINKED) == true &&
278 is_same_network(&pmlmepriv->cur_network.network, &pnetwork->network, 0)) {
279 notify_signal = 100 * translate_percentage_to_dbm(padapter->recvpriv.signal_strength);/* dbm */
280 } else {
281 notify_signal = 100 * translate_percentage_to_dbm(pnetwork->network.phy_info.signal_strength);/* dbm */
282 }
283
284 buf = kzalloc(MAX_BSSINFO_LEN, GFP_ATOMIC);
285 if (!buf)
286 goto exit;
287 pbuf = buf;
288
289 pwlanhdr = (struct ieee80211_hdr *)pbuf;
290 fctrl = &(pwlanhdr->frame_control);
291 *(fctrl) = 0;
292
293 SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
294 /* pmlmeext->mgnt_seq++; */
295
296 if (pnetwork->network.reserved[0] == 1) { /* WIFI_BEACON */
297 eth_broadcast_addr(pwlanhdr->addr1);
298 SetFrameSubType(pbuf, WIFI_BEACON);
299 } else {
300 memcpy(pwlanhdr->addr1, myid(&(padapter->eeprompriv)), ETH_ALEN);
301 SetFrameSubType(pbuf, WIFI_PROBERSP);
302 }
303
304 memcpy(pwlanhdr->addr2, pnetwork->network.mac_address, ETH_ALEN);
305 memcpy(pwlanhdr->addr3, pnetwork->network.mac_address, ETH_ALEN);
306
307 pbuf += sizeof(struct ieee80211_hdr_3addr);
308 len = sizeof(struct ieee80211_hdr_3addr);
309
310 memcpy(pbuf, pnetwork->network.ies, pnetwork->network.ie_length);
311 len += pnetwork->network.ie_length;
312
313 *((__le64 *)pbuf) = cpu_to_le64(notify_timestamp);
314
315 bss = cfg80211_inform_bss_frame(wiphy, notify_channel, (struct ieee80211_mgmt *)buf,
316 len, notify_signal, GFP_ATOMIC);
317
318 if (unlikely(!bss))
319 goto exit;
320
321 cfg80211_put_bss(wiphy, bss);
322 kfree(buf);
323
324 exit:
325 return bss;
326 }
327
328 /*
329 * Check the given bss is valid by kernel API cfg80211_get_bss()
330 * @padapter : the given adapter
331 *
332 * return true if bss is valid, false for not found.
333 */
rtw_cfg80211_check_bss(struct adapter * padapter)334 int rtw_cfg80211_check_bss(struct adapter *padapter)
335 {
336 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
337 struct cfg80211_bss *bss = NULL;
338 struct ieee80211_channel *notify_channel = NULL;
339 u32 freq;
340
341 if (!(pnetwork) || !(padapter->rtw_wdev))
342 return false;
343
344 freq = rtw_ieee80211_channel_to_frequency(pnetwork->configuration.ds_config, NL80211_BAND_2GHZ);
345
346 notify_channel = ieee80211_get_channel(padapter->rtw_wdev->wiphy, freq);
347 bss = cfg80211_get_bss(padapter->rtw_wdev->wiphy, notify_channel,
348 pnetwork->mac_address, pnetwork->ssid.ssid,
349 pnetwork->ssid.ssid_length,
350 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
351
352 cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
353
354 return (bss != NULL);
355 }
356
rtw_cfg80211_ibss_indicate_connect(struct adapter * padapter)357 void rtw_cfg80211_ibss_indicate_connect(struct adapter *padapter)
358 {
359 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
360 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
361 struct wireless_dev *pwdev = padapter->rtw_wdev;
362 struct wiphy *wiphy = pwdev->wiphy;
363 int freq = (int)cur_network->network.configuration.ds_config;
364 struct ieee80211_channel *chan;
365
366 if (pwdev->iftype != NL80211_IFTYPE_ADHOC)
367 return;
368
369 if (!rtw_cfg80211_check_bss(padapter)) {
370 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
371 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
372
373 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
374 memcpy(&cur_network->network, pnetwork, sizeof(struct wlan_bssid_ex));
375 rtw_cfg80211_inform_bss(padapter, cur_network);
376 } else {
377 if (!scanned) {
378 rtw_warn_on(1);
379 return;
380 }
381 if (!memcmp(&(scanned->network.ssid), &(pnetwork->ssid), sizeof(struct ndis_802_11_ssid))
382 && !memcmp(scanned->network.mac_address, pnetwork->mac_address, sizeof(NDIS_802_11_MAC_ADDRESS))
383 )
384 rtw_cfg80211_inform_bss(padapter, scanned);
385 else
386 rtw_warn_on(1);
387 }
388
389 if (!rtw_cfg80211_check_bss(padapter))
390 netdev_dbg(padapter->pnetdev,
391 FUNC_ADPT_FMT " BSS not found !!\n",
392 FUNC_ADPT_ARG(padapter));
393 }
394 /* notify cfg80211 that device joined an IBSS */
395 chan = ieee80211_get_channel(wiphy, freq);
396 cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.mac_address, chan, GFP_ATOMIC);
397 }
398
rtw_cfg80211_indicate_connect(struct adapter * padapter)399 void rtw_cfg80211_indicate_connect(struct adapter *padapter)
400 {
401 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
402 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
403 struct wireless_dev *pwdev = padapter->rtw_wdev;
404
405 if (pwdev->iftype != NL80211_IFTYPE_STATION
406 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
407 ) {
408 return;
409 }
410
411 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
412 return;
413
414 {
415 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
416 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
417
418 if (!scanned) {
419 rtw_warn_on(1);
420 goto check_bss;
421 }
422
423 if (!memcmp(scanned->network.mac_address, pnetwork->mac_address, sizeof(NDIS_802_11_MAC_ADDRESS))
424 && !memcmp(&(scanned->network.ssid), &(pnetwork->ssid), sizeof(struct ndis_802_11_ssid))
425 )
426 rtw_cfg80211_inform_bss(padapter, scanned);
427 else
428 rtw_warn_on(1);
429 }
430
431 check_bss:
432 if (!rtw_cfg80211_check_bss(padapter))
433 netdev_dbg(padapter->pnetdev,
434 FUNC_ADPT_FMT " BSS not found !!\n",
435 FUNC_ADPT_ARG(padapter));
436
437 if (rtw_to_roam(padapter) > 0) {
438 struct wiphy *wiphy = pwdev->wiphy;
439 struct ieee80211_channel *notify_channel;
440 u32 freq;
441 u16 channel = cur_network->network.configuration.ds_config;
442 struct cfg80211_roam_info roam_info = {};
443
444 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
445
446 notify_channel = ieee80211_get_channel(wiphy, freq);
447
448 roam_info.links[0].channel = notify_channel;
449 roam_info.links[0].bssid = cur_network->network.mac_address;
450 roam_info.req_ie =
451 pmlmepriv->assoc_req + sizeof(struct ieee80211_hdr_3addr) + 2;
452 roam_info.req_ie_len =
453 pmlmepriv->assoc_req_len - sizeof(struct ieee80211_hdr_3addr) - 2;
454 roam_info.resp_ie =
455 pmlmepriv->assoc_rsp + sizeof(struct ieee80211_hdr_3addr) + 6;
456 roam_info.resp_ie_len =
457 pmlmepriv->assoc_rsp_len - sizeof(struct ieee80211_hdr_3addr) - 6;
458 cfg80211_roamed(padapter->pnetdev, &roam_info, GFP_ATOMIC);
459 } else {
460 cfg80211_connect_result(padapter->pnetdev, cur_network->network.mac_address
461 , pmlmepriv->assoc_req + sizeof(struct ieee80211_hdr_3addr) + 2
462 , pmlmepriv->assoc_req_len - sizeof(struct ieee80211_hdr_3addr) - 2
463 , pmlmepriv->assoc_rsp + sizeof(struct ieee80211_hdr_3addr) + 6
464 , pmlmepriv->assoc_rsp_len - sizeof(struct ieee80211_hdr_3addr) - 6
465 , WLAN_STATUS_SUCCESS, GFP_ATOMIC);
466 }
467 }
468
rtw_cfg80211_indicate_disconnect(struct adapter * padapter)469 void rtw_cfg80211_indicate_disconnect(struct adapter *padapter)
470 {
471 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
472 struct wireless_dev *pwdev = padapter->rtw_wdev;
473
474 if (pwdev->iftype != NL80211_IFTYPE_STATION
475 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
476 ) {
477 return;
478 }
479
480 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
481 return;
482
483 if (!padapter->mlmepriv.not_indic_disco) {
484 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
485 cfg80211_disconnected(padapter->pnetdev, 0,
486 NULL, 0, true, GFP_ATOMIC);
487 } else {
488 cfg80211_connect_result(padapter->pnetdev, NULL, NULL, 0, NULL, 0,
489 WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC/*GFP_KERNEL*/);
490 }
491 }
492 }
493
rtw_cfg80211_ap_set_encryption(struct net_device * dev,struct ieee_param * param,u32 param_len)494 static int rtw_cfg80211_ap_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
495 {
496 int ret = 0;
497 u32 wep_key_idx, wep_key_len;
498 struct sta_info *psta = NULL, *pbcmc_sta = NULL;
499 struct adapter *padapter = rtw_netdev_priv(dev);
500 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
501 struct security_priv *psecuritypriv = &(padapter->securitypriv);
502 struct sta_priv *pstapriv = &padapter->stapriv;
503 char *grpkey = padapter->securitypriv.dot118021XGrpKey[param->u.crypt.idx].skey;
504 char *txkey = padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey;
505 char *rxkey = padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey;
506
507 param->u.crypt.err = 0;
508 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
509
510 if (param_len != sizeof(struct ieee_param) + param->u.crypt.key_len) {
511 ret = -EINVAL;
512 goto exit;
513 }
514
515 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
516 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
517 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
518 if (param->u.crypt.idx >= WEP_KEYS) {
519 ret = -EINVAL;
520 goto exit;
521 }
522 } else {
523 psta = rtw_get_stainfo(pstapriv, param->sta_addr);
524 if (!psta)
525 /* ret = -EINVAL; */
526 goto exit;
527 }
528
529 if (strcmp(param->u.crypt.alg, "none") == 0 && !psta)
530 goto exit;
531
532 if (strcmp(param->u.crypt.alg, "WEP") == 0 && !psta) {
533 wep_key_idx = param->u.crypt.idx;
534 wep_key_len = param->u.crypt.key_len;
535
536 if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0)) {
537 ret = -EINVAL;
538 goto exit;
539 }
540
541 if (wep_key_len > 0)
542 wep_key_len = wep_key_len <= 5 ? 5 : 13;
543
544 if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
545 /* wep default key has not been set, so use this key index as default key. */
546
547 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
548 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
549 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
550 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
551
552 if (wep_key_len == 13) {
553 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
554 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
555 }
556
557 psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
558 }
559
560 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
561
562 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
563
564 rtw_ap_set_wep_key(padapter, param->u.crypt.key, wep_key_len, wep_key_idx, 1);
565
566 goto exit;
567 }
568
569 /* group key */
570 if (!psta && check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
571 /* group key */
572 if (param->u.crypt.set_tx == 0) {
573 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
574 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
575
576 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
577 if (param->u.crypt.key_len == 13)
578 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
579
580 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
581 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
582
583 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
584
585 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
586 /* set mic key */
587 memcpy(txkey, &(param->u.crypt.key[16]), 8);
588 memcpy(rxkey, &(param->u.crypt.key[24]), 8);
589
590 psecuritypriv->busetkipkey = true;
591
592 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
593 psecuritypriv->dot118021XGrpPrivacy = _AES_;
594
595 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
596 } else {
597 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
598 }
599
600 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
601
602 psecuritypriv->binstallGrpkey = true;
603
604 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
605
606 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
607
608 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
609 if (pbcmc_sta) {
610 pbcmc_sta->ieee8021x_blocked = false;
611 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
612 }
613 }
614
615 goto exit;
616 }
617
618 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) { /* psk/802_1x */
619 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
620 if (param->u.crypt.set_tx == 1) { /* pairwise key */
621 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
622
623 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
624 psta->dot118021XPrivacy = _WEP40_;
625 if (param->u.crypt.key_len == 13)
626 psta->dot118021XPrivacy = _WEP104_;
627 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
628 psta->dot118021XPrivacy = _TKIP_;
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(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
633 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
634
635 psecuritypriv->busetkipkey = true;
636
637 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
638 psta->dot118021XPrivacy = _AES_;
639 } else {
640 psta->dot118021XPrivacy = _NO_PRIVACY_;
641 }
642
643 rtw_ap_set_pairwise_key(padapter, psta);
644
645 psta->ieee8021x_blocked = false;
646
647 psta->bpairwise_key_installed = true;
648
649 } else { /* group key??? */
650 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
651 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
652
653 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
654 if (param->u.crypt.key_len == 13)
655 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
656 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
657 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
658
659 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
660
661 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
662 /* set mic key */
663 memcpy(txkey, &(param->u.crypt.key[16]), 8);
664 memcpy(rxkey, &(param->u.crypt.key[24]), 8);
665
666 psecuritypriv->busetkipkey = true;
667
668 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
669 psecuritypriv->dot118021XGrpPrivacy = _AES_;
670
671 memcpy(grpkey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
672 } else {
673 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
674 }
675
676 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
677
678 psecuritypriv->binstallGrpkey = true;
679
680 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
681
682 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
683
684 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
685 if (pbcmc_sta) {
686 pbcmc_sta->ieee8021x_blocked = false;
687 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
688 }
689 }
690 }
691 }
692
693 exit:
694
695 return ret;
696 }
697
rtw_cfg80211_set_encryption(struct net_device * dev,struct ieee_param * param,u32 param_len)698 static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
699 {
700 int ret = 0;
701 u8 max_idx;
702 u32 wep_key_idx, wep_key_len;
703 struct adapter *padapter = rtw_netdev_priv(dev);
704 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
705 struct security_priv *psecuritypriv = &padapter->securitypriv;
706
707 param->u.crypt.err = 0;
708 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
709
710 if (param_len < (u32)((u8 *)param->u.crypt.key - (u8 *)param) + param->u.crypt.key_len) {
711 ret = -EINVAL;
712 goto exit;
713 }
714
715 if (param->sta_addr[0] != 0xff || param->sta_addr[1] != 0xff ||
716 param->sta_addr[2] != 0xff || param->sta_addr[3] != 0xff ||
717 param->sta_addr[4] != 0xff || param->sta_addr[5] != 0xff) {
718 ret = -EINVAL;
719 goto exit;
720 }
721
722 if (strcmp(param->u.crypt.alg, "WEP") == 0)
723 max_idx = WEP_KEYS - 1;
724 else
725 max_idx = BIP_MAX_KEYID;
726
727 if (param->u.crypt.idx > max_idx) {
728 netdev_err(dev, "Error crypt.idx %d > %d\n", param->u.crypt.idx, max_idx);
729 ret = -EINVAL;
730 goto exit;
731 }
732
733 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
734 wep_key_idx = param->u.crypt.idx;
735 wep_key_len = param->u.crypt.key_len;
736
737 if (wep_key_len <= 0) {
738 ret = -EINVAL;
739 goto exit;
740 }
741
742 if (psecuritypriv->bWepDefaultKeyIdxSet == 0) {
743 /* wep default key has not been set, so use this key index as default key. */
744
745 wep_key_len = wep_key_len <= 5 ? 5 : 13;
746
747 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
748 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
749 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
750
751 if (wep_key_len == 13) {
752 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
753 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
754 }
755
756 psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
757 }
758
759 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
760
761 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
762
763 rtw_set_key(padapter, psecuritypriv, wep_key_idx, 0, true);
764
765 goto exit;
766 }
767
768 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { /* 802_1x */
769 struct sta_info *psta, *pbcmc_sta;
770 struct sta_priv *pstapriv = &padapter->stapriv;
771
772 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) { /* sta mode */
773 psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
774 if (psta) {
775 /* Jeff: don't disable ieee8021x_blocked while clearing key */
776 if (strcmp(param->u.crypt.alg, "none") != 0)
777 psta->ieee8021x_blocked = false;
778
779 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
780 (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled)) {
781 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
782 }
783
784 if (param->u.crypt.set_tx == 1) { /* pairwise key */
785
786 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
787
788 if (strcmp(param->u.crypt.alg, "TKIP") == 0) { /* set mic key */
789 /* DEBUG_ERR(("\nset key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
790 memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
791 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
792
793 padapter->securitypriv.busetkipkey = false;
794 /* _set_timer(&padapter->securitypriv.tkip_timer, 50); */
795 }
796
797 rtw_setstakey_cmd(padapter, psta, true, true);
798 } else { /* group key */
799 if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0) {
800 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));
801 memcpy(padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
802 memcpy(padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
803 padapter->securitypriv.binstallGrpkey = true;
804
805 padapter->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;
806 rtw_set_key(padapter, &padapter->securitypriv, param->u.crypt.idx, 1, true);
807 } else if (strcmp(param->u.crypt.alg, "BIP") == 0) {
808 /* save the IGTK key, length 16 bytes */
809 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));
810 /*
811 for (no = 0;no<16;no++)
812 printk(" %02x ", padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey[no]);
813 */
814 padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
815 padapter->securitypriv.binstallBIPkey = true;
816 }
817 }
818 }
819
820 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
821 if (!pbcmc_sta) {
822 /* DEBUG_ERR(("Set OID_802_11_ADD_KEY: bcmc stainfo is null\n")); */
823 } else {
824 /* Jeff: don't disable ieee8021x_blocked while clearing key */
825 if (strcmp(param->u.crypt.alg, "none") != 0)
826 pbcmc_sta->ieee8021x_blocked = false;
827
828 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
829 (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled)) {
830 pbcmc_sta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
831 }
832 }
833 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { /* adhoc mode */
834 }
835 }
836
837 exit:
838
839 return ret;
840 }
841
cfg80211_rtw_add_key(struct wiphy * wiphy,struct net_device * ndev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)842 static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
843 int link_id, u8 key_index, bool pairwise,
844 const u8 *mac_addr, struct key_params *params)
845 {
846 char *alg_name;
847 u32 param_len;
848 struct ieee_param *param = NULL;
849 int ret = 0;
850 struct adapter *padapter = rtw_netdev_priv(ndev);
851 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
852
853 param_len = sizeof(struct ieee_param) + params->key_len;
854 param = rtw_malloc(param_len);
855 if (!param)
856 return -1;
857
858 memset(param, 0, param_len);
859
860 param->cmd = IEEE_CMD_SET_ENCRYPTION;
861 eth_broadcast_addr(param->sta_addr);
862
863 switch (params->cipher) {
864 case IW_AUTH_CIPHER_NONE:
865 /* todo: remove key */
866 /* remove = 1; */
867 alg_name = "none";
868 break;
869 case WLAN_CIPHER_SUITE_WEP40:
870 case WLAN_CIPHER_SUITE_WEP104:
871 alg_name = "WEP";
872 break;
873 case WLAN_CIPHER_SUITE_TKIP:
874 alg_name = "TKIP";
875 break;
876 case WLAN_CIPHER_SUITE_CCMP:
877 alg_name = "CCMP";
878 break;
879 case WLAN_CIPHER_SUITE_AES_CMAC:
880 alg_name = "BIP";
881 break;
882 default:
883 ret = -ENOTSUPP;
884 goto addkey_end;
885 }
886
887 strncpy((char *)param->u.crypt.alg, alg_name, IEEE_CRYPT_ALG_NAME_LEN);
888
889 if (!mac_addr || is_broadcast_ether_addr(mac_addr))
890 param->u.crypt.set_tx = 0; /* for wpa/wpa2 group key */
891 else
892 param->u.crypt.set_tx = 1; /* for wpa/wpa2 pairwise key */
893
894 param->u.crypt.idx = key_index;
895
896 if (params->seq_len && params->seq)
897 memcpy(param->u.crypt.seq, (u8 *)params->seq, params->seq_len);
898
899 if (params->key_len && params->key) {
900 param->u.crypt.key_len = params->key_len;
901 memcpy(param->u.crypt.key, (u8 *)params->key, params->key_len);
902 }
903
904 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
905 ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
906 } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
907 if (mac_addr)
908 memcpy(param->sta_addr, (void *)mac_addr, ETH_ALEN);
909
910 ret = rtw_cfg80211_ap_set_encryption(ndev, param, param_len);
911 } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true
912 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
913 ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
914 }
915
916 addkey_end:
917 kfree(param);
918
919 return ret;
920 }
921
cfg80211_rtw_get_key(struct wiphy * wiphy,struct net_device * ndev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr,void * cookie,void (* callback)(void * cookie,struct key_params *))922 static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev,
923 int link_id, u8 key_index, bool pairwise,
924 const u8 *mac_addr, void *cookie,
925 void (*callback)(void *cookie,
926 struct key_params*))
927 {
928 return 0;
929 }
930
cfg80211_rtw_del_key(struct wiphy * wiphy,struct net_device * ndev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr)931 static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
932 int link_id, u8 key_index, bool pairwise,
933 const u8 *mac_addr)
934 {
935 struct adapter *padapter = rtw_netdev_priv(ndev);
936 struct security_priv *psecuritypriv = &padapter->securitypriv;
937
938 if (key_index == psecuritypriv->dot11PrivacyKeyIndex) {
939 /* clear the flag of wep default key set. */
940 psecuritypriv->bWepDefaultKeyIdxSet = 0;
941 }
942
943 return 0;
944 }
945
cfg80211_rtw_set_default_key(struct wiphy * wiphy,struct net_device * ndev,int link_id,u8 key_index,bool unicast,bool multicast)946 static int cfg80211_rtw_set_default_key(struct wiphy *wiphy,
947 struct net_device *ndev, int link_id,
948 u8 key_index, bool unicast,
949 bool multicast)
950 {
951 struct adapter *padapter = rtw_netdev_priv(ndev);
952 struct security_priv *psecuritypriv = &padapter->securitypriv;
953
954 if ((key_index < WEP_KEYS) && ((psecuritypriv->dot11PrivacyAlgrthm == _WEP40_) || (psecuritypriv->dot11PrivacyAlgrthm == _WEP104_))) { /* set wep default key */
955 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
956
957 psecuritypriv->dot11PrivacyKeyIndex = key_index;
958
959 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
960 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
961 if (psecuritypriv->dot11DefKeylen[key_index] == 13) {
962 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
963 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
964 }
965
966 psecuritypriv->bWepDefaultKeyIdxSet = 1; /* set the flag to represent that wep default key has been set */
967 }
968
969 return 0;
970 }
971
cfg80211_rtw_get_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_info * sinfo)972 static int cfg80211_rtw_get_station(struct wiphy *wiphy,
973 struct net_device *ndev,
974 const u8 *mac,
975 struct station_info *sinfo)
976 {
977 int ret = 0;
978 struct adapter *padapter = rtw_netdev_priv(ndev);
979 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
980 struct sta_info *psta = NULL;
981 struct sta_priv *pstapriv = &padapter->stapriv;
982
983 sinfo->filled = 0;
984
985 if (!mac) {
986 ret = -ENOENT;
987 goto exit;
988 }
989
990 psta = rtw_get_stainfo(pstapriv, (u8 *)mac);
991 if (!psta) {
992 ret = -ENOENT;
993 goto exit;
994 }
995
996 /* for infra./P2PClient mode */
997 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
998 && check_fwstate(pmlmepriv, _FW_LINKED)) {
999 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1000
1001 if (memcmp((u8 *)mac, cur_network->network.mac_address, ETH_ALEN)) {
1002 ret = -ENOENT;
1003 goto exit;
1004 }
1005
1006 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1007 sinfo->signal = translate_percentage_to_dbm(padapter->recvpriv.signal_strength);
1008
1009 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1010 sinfo->txrate.legacy = rtw_get_cur_max_rate(padapter);
1011
1012 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
1013 sinfo->rx_packets = sta_rx_data_pkts(psta);
1014
1015 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
1016 sinfo->tx_packets = psta->sta_stats.tx_pkts;
1017 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1018 }
1019
1020 /* for Ad-Hoc/AP mode */
1021 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ||
1022 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1023 check_fwstate(pmlmepriv, WIFI_AP_STATE)) &&
1024 check_fwstate(pmlmepriv, _FW_LINKED)) {
1025 /* TODO: should acquire station info... */
1026 }
1027
1028 exit:
1029 return ret;
1030 }
1031
cfg80211_rtw_change_iface(struct wiphy * wiphy,struct net_device * ndev,enum nl80211_iftype type,struct vif_params * params)1032 static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
1033 struct net_device *ndev,
1034 enum nl80211_iftype type,
1035 struct vif_params *params)
1036 {
1037 enum nl80211_iftype old_type;
1038 enum ndis_802_11_network_infrastructure networkType;
1039 struct adapter *padapter = rtw_netdev_priv(ndev);
1040 struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1041 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1042 int ret = 0;
1043
1044 if (adapter_to_dvobj(padapter)->processing_dev_remove == true) {
1045 ret = -EPERM;
1046 goto exit;
1047 }
1048
1049 {
1050 if (netdev_open(ndev) != 0) {
1051 ret = -EPERM;
1052 goto exit;
1053 }
1054 }
1055
1056 if (rtw_pwr_wakeup(padapter) == _FAIL) {
1057 ret = -EPERM;
1058 goto exit;
1059 }
1060
1061 old_type = rtw_wdev->iftype;
1062
1063 if (old_type != type) {
1064 pmlmeext->action_public_rxseq = 0xffff;
1065 pmlmeext->action_public_dialog_token = 0xff;
1066 }
1067
1068 switch (type) {
1069 case NL80211_IFTYPE_ADHOC:
1070 networkType = Ndis802_11IBSS;
1071 break;
1072 case NL80211_IFTYPE_STATION:
1073 networkType = Ndis802_11Infrastructure;
1074 break;
1075 case NL80211_IFTYPE_AP:
1076 networkType = Ndis802_11APMode;
1077 break;
1078 default:
1079 ret = -EOPNOTSUPP;
1080 goto exit;
1081 }
1082
1083 rtw_wdev->iftype = type;
1084
1085 if (rtw_set_802_11_infrastructure_mode(padapter, networkType) == false) {
1086 rtw_wdev->iftype = old_type;
1087 ret = -EPERM;
1088 goto exit;
1089 }
1090
1091 rtw_setopmode_cmd(padapter, networkType, true);
1092
1093 exit:
1094
1095 return ret;
1096 }
1097
rtw_cfg80211_indicate_scan_done(struct adapter * adapter,bool aborted)1098 void rtw_cfg80211_indicate_scan_done(struct adapter *adapter, bool aborted)
1099 {
1100 struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
1101 struct cfg80211_scan_info info = {
1102 .aborted = aborted
1103 };
1104
1105 spin_lock_bh(&pwdev_priv->scan_req_lock);
1106 if (pwdev_priv->scan_request) {
1107 /* avoid WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); */
1108 if (pwdev_priv->scan_request->wiphy == pwdev_priv->rtw_wdev->wiphy)
1109 cfg80211_scan_done(pwdev_priv->scan_request, &info);
1110
1111 pwdev_priv->scan_request = NULL;
1112 }
1113 spin_unlock_bh(&pwdev_priv->scan_req_lock);
1114 }
1115
rtw_cfg80211_unlink_bss(struct adapter * padapter,struct wlan_network * pnetwork)1116 void rtw_cfg80211_unlink_bss(struct adapter *padapter, struct wlan_network *pnetwork)
1117 {
1118 struct wireless_dev *pwdev = padapter->rtw_wdev;
1119 struct wiphy *wiphy = pwdev->wiphy;
1120 struct cfg80211_bss *bss = NULL;
1121 struct wlan_bssid_ex *select_network = &pnetwork->network;
1122
1123 bss = cfg80211_get_bss(wiphy, NULL/*notify_channel*/,
1124 select_network->mac_address,
1125 select_network->ssid.ssid,
1126 select_network->ssid.ssid_length,
1127 IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY);
1128
1129 if (bss) {
1130 cfg80211_unlink_bss(wiphy, bss);
1131 cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
1132 }
1133 }
1134
rtw_cfg80211_surveydone_event_callback(struct adapter * padapter)1135 void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
1136 {
1137 struct list_head *plist, *phead;
1138 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1139 struct __queue *queue = &(pmlmepriv->scanned_queue);
1140 struct wlan_network *pnetwork = NULL;
1141
1142 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1143
1144 phead = get_list_head(queue);
1145 list_for_each(plist, phead)
1146 {
1147 pnetwork = list_entry(plist, struct wlan_network, list);
1148
1149 /* report network only if the current channel set contains the channel to which this network belongs */
1150 if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.configuration.ds_config) >= 0
1151 && true == rtw_validate_ssid(&(pnetwork->network.ssid))) {
1152 /* ev =translate_scan(padapter, a, pnetwork, ev, stop); */
1153 rtw_cfg80211_inform_bss(padapter, pnetwork);
1154 }
1155 }
1156
1157 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1158 }
1159
rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter * padapter,char * buf,int len)1160 static int rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter *padapter, char *buf, int len)
1161 {
1162 int ret = 0;
1163 uint wps_ielen = 0;
1164 u8 *wps_ie;
1165 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1166
1167 if (len > 0) {
1168 wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen);
1169 if (wps_ie) {
1170 if (pmlmepriv->wps_probe_req_ie) {
1171 pmlmepriv->wps_probe_req_ie_len = 0;
1172 kfree(pmlmepriv->wps_probe_req_ie);
1173 pmlmepriv->wps_probe_req_ie = NULL;
1174 }
1175
1176 pmlmepriv->wps_probe_req_ie = rtw_malloc(wps_ielen);
1177 if (!pmlmepriv->wps_probe_req_ie)
1178 return -EINVAL;
1179
1180 memcpy(pmlmepriv->wps_probe_req_ie, wps_ie, wps_ielen);
1181 pmlmepriv->wps_probe_req_ie_len = wps_ielen;
1182 }
1183 }
1184
1185 return ret;
1186 }
1187
cfg80211_rtw_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)1188 static int cfg80211_rtw_scan(struct wiphy *wiphy
1189 , struct cfg80211_scan_request *request)
1190 {
1191 struct net_device *ndev = wdev_to_ndev(request->wdev);
1192 int i;
1193 u8 _status = false;
1194 int ret = 0;
1195 struct ndis_802_11_ssid *ssid = NULL;
1196 struct rtw_ieee80211_channel ch[RTW_CHANNEL_SCAN_AMOUNT];
1197 u8 survey_times = 3;
1198 u8 survey_times_for_one_ch = 6;
1199 struct cfg80211_ssid *ssids = request->ssids;
1200 int j = 0;
1201 bool need_indicate_scan_done = false;
1202
1203 struct adapter *padapter;
1204 struct rtw_wdev_priv *pwdev_priv;
1205 struct mlme_priv *pmlmepriv;
1206
1207 if (!ndev) {
1208 ret = -EINVAL;
1209 goto exit;
1210 }
1211
1212 padapter = rtw_netdev_priv(ndev);
1213 pwdev_priv = adapter_wdev_data(padapter);
1214 pmlmepriv = &padapter->mlmepriv;
1215 /* endif */
1216
1217 spin_lock_bh(&pwdev_priv->scan_req_lock);
1218 pwdev_priv->scan_request = request;
1219 spin_unlock_bh(&pwdev_priv->scan_req_lock);
1220
1221 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) {
1222 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS | _FW_UNDER_SURVEY | _FW_UNDER_LINKING) == true) {
1223 need_indicate_scan_done = true;
1224 goto check_need_indicate_scan_done;
1225 }
1226 }
1227
1228 rtw_ps_deny(padapter, PS_DENY_SCAN);
1229 if (rtw_pwr_wakeup(padapter) == _FAIL) {
1230 need_indicate_scan_done = true;
1231 goto check_need_indicate_scan_done;
1232 }
1233
1234 if (request->ie && request->ie_len > 0)
1235 rtw_cfg80211_set_probe_req_wpsp2pie(padapter, (u8 *)request->ie, request->ie_len);
1236
1237 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
1238 need_indicate_scan_done = true;
1239 goto check_need_indicate_scan_done;
1240 } else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1241 ret = -EBUSY;
1242 goto check_need_indicate_scan_done;
1243 }
1244
1245 if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true) {
1246 static unsigned long lastscantime;
1247 unsigned long passtime;
1248
1249 passtime = jiffies_to_msecs(jiffies - lastscantime);
1250 lastscantime = jiffies;
1251 if (passtime > 12000) {
1252 need_indicate_scan_done = true;
1253 goto check_need_indicate_scan_done;
1254 }
1255 }
1256
1257 if (rtw_is_scan_deny(padapter)) {
1258 need_indicate_scan_done = true;
1259 goto check_need_indicate_scan_done;
1260 }
1261
1262 ssid = kzalloc(RTW_SSID_SCAN_AMOUNT * sizeof(struct ndis_802_11_ssid),
1263 GFP_KERNEL);
1264 if (!ssid) {
1265 ret = -ENOMEM;
1266 goto check_need_indicate_scan_done;
1267 }
1268
1269 /* parsing request ssids, n_ssids */
1270 for (i = 0; i < request->n_ssids && i < RTW_SSID_SCAN_AMOUNT; i++) {
1271 memcpy(ssid[i].ssid, ssids[i].ssid, ssids[i].ssid_len);
1272 ssid[i].ssid_length = ssids[i].ssid_len;
1273 }
1274
1275 /* parsing channels, n_channels */
1276 memset(ch, 0, sizeof(struct rtw_ieee80211_channel) * RTW_CHANNEL_SCAN_AMOUNT);
1277 for (i = 0; i < request->n_channels && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
1278 ch[i].hw_value = request->channels[i]->hw_value;
1279 ch[i].flags = request->channels[i]->flags;
1280 }
1281
1282 spin_lock_bh(&pmlmepriv->lock);
1283 if (request->n_channels == 1) {
1284 for (i = 1; i < survey_times_for_one_ch; i++)
1285 memcpy(&ch[i], &ch[0], sizeof(struct rtw_ieee80211_channel));
1286 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times_for_one_ch);
1287 } else if (request->n_channels <= 4) {
1288 for (j = request->n_channels - 1; j >= 0; j--)
1289 for (i = 0; i < survey_times; i++)
1290 memcpy(&ch[j * survey_times + i], &ch[j], sizeof(struct rtw_ieee80211_channel));
1291 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times * request->n_channels);
1292 } else {
1293 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, NULL, 0);
1294 }
1295 spin_unlock_bh(&pmlmepriv->lock);
1296
1297 if (_status == false)
1298 ret = -1;
1299
1300 check_need_indicate_scan_done:
1301 kfree(ssid);
1302 if (need_indicate_scan_done) {
1303 rtw_cfg80211_surveydone_event_callback(padapter);
1304 rtw_cfg80211_indicate_scan_done(padapter, false);
1305 }
1306
1307 rtw_ps_deny_cancel(padapter, PS_DENY_SCAN);
1308
1309 exit:
1310 return ret;
1311 }
1312
cfg80211_rtw_set_wiphy_params(struct wiphy * wiphy,u32 changed)1313 static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1314 {
1315 return 0;
1316 }
1317
rtw_cfg80211_set_wpa_version(struct security_priv * psecuritypriv,u32 wpa_version)1318 static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
1319 {
1320 if (!wpa_version) {
1321 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1322 return 0;
1323 }
1324
1325 if (wpa_version & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1326 psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPAPSK;
1327
1328 return 0;
1329 }
1330
rtw_cfg80211_set_auth_type(struct security_priv * psecuritypriv,enum nl80211_auth_type sme_auth_type)1331 static int rtw_cfg80211_set_auth_type(struct security_priv *psecuritypriv,
1332 enum nl80211_auth_type sme_auth_type)
1333 {
1334 switch (sme_auth_type) {
1335 case NL80211_AUTHTYPE_AUTOMATIC:
1336
1337 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
1338
1339 break;
1340 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1341
1342 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1343
1344 if (psecuritypriv->ndisauthtype > Ndis802_11AuthModeWPA)
1345 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1346
1347 break;
1348 case NL80211_AUTHTYPE_SHARED_KEY:
1349
1350 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;
1351
1352 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
1353
1354 break;
1355 default:
1356 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1357 /* return -ENOTSUPP; */
1358 }
1359
1360 return 0;
1361 }
1362
rtw_cfg80211_set_cipher(struct security_priv * psecuritypriv,u32 cipher,bool ucast)1363 static int rtw_cfg80211_set_cipher(struct security_priv *psecuritypriv, u32 cipher, bool ucast)
1364 {
1365 u32 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1366
1367 u32 *profile_cipher = ucast ? &psecuritypriv->dot11PrivacyAlgrthm :
1368 &psecuritypriv->dot118021XGrpPrivacy;
1369
1370 if (!cipher) {
1371 *profile_cipher = _NO_PRIVACY_;
1372 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1373 return 0;
1374 }
1375
1376 switch (cipher) {
1377 case IW_AUTH_CIPHER_NONE:
1378 *profile_cipher = _NO_PRIVACY_;
1379 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1380 break;
1381 case WLAN_CIPHER_SUITE_WEP40:
1382 *profile_cipher = _WEP40_;
1383 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1384 break;
1385 case WLAN_CIPHER_SUITE_WEP104:
1386 *profile_cipher = _WEP104_;
1387 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1388 break;
1389 case WLAN_CIPHER_SUITE_TKIP:
1390 *profile_cipher = _TKIP_;
1391 ndisencryptstatus = Ndis802_11Encryption2Enabled;
1392 break;
1393 case WLAN_CIPHER_SUITE_CCMP:
1394 *profile_cipher = _AES_;
1395 ndisencryptstatus = Ndis802_11Encryption3Enabled;
1396 break;
1397 default:
1398 return -ENOTSUPP;
1399 }
1400
1401 if (ucast) {
1402 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1403
1404 /* if (psecuritypriv->dot11PrivacyAlgrthm >= _AES_) */
1405 /* psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPA2PSK; */
1406 }
1407
1408 return 0;
1409 }
1410
rtw_cfg80211_set_key_mgt(struct security_priv * psecuritypriv,u32 key_mgt)1411 static int rtw_cfg80211_set_key_mgt(struct security_priv *psecuritypriv, u32 key_mgt)
1412 {
1413 if (key_mgt == WLAN_AKM_SUITE_8021X)
1414 /* auth_type = UMAC_AUTH_TYPE_8021X; */
1415 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1416 else if (key_mgt == WLAN_AKM_SUITE_PSK) {
1417 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1418 }
1419
1420 return 0;
1421 }
1422
rtw_cfg80211_set_wpa_ie(struct adapter * padapter,u8 * pie,size_t ielen)1423 static int rtw_cfg80211_set_wpa_ie(struct adapter *padapter, u8 *pie, size_t ielen)
1424 {
1425 u8 *buf = NULL;
1426 int group_cipher = 0, pairwise_cipher = 0;
1427 int ret = 0;
1428 int wpa_ielen = 0;
1429 int wpa2_ielen = 0;
1430 u8 *pwpa, *pwpa2;
1431 u8 null_addr[] = {0, 0, 0, 0, 0, 0};
1432
1433 if (!pie || !ielen) {
1434 /* Treat this as normal case, but need to clear WIFI_UNDER_WPS */
1435 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1436 goto exit;
1437 }
1438
1439 if (ielen > MAX_WPA_IE_LEN + MAX_WPS_IE_LEN + MAX_P2P_IE_LEN) {
1440 ret = -EINVAL;
1441 goto exit;
1442 }
1443
1444 buf = rtw_zmalloc(ielen);
1445 if (!buf) {
1446 ret = -ENOMEM;
1447 goto exit;
1448 }
1449
1450 memcpy(buf, pie, ielen);
1451
1452 if (ielen < RSN_HEADER_LEN) {
1453 ret = -1;
1454 goto exit;
1455 }
1456
1457 pwpa = rtw_get_wpa_ie(buf, &wpa_ielen, ielen);
1458 if (pwpa && wpa_ielen > 0) {
1459 if (rtw_parse_wpa_ie(pwpa, wpa_ielen + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1460 padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1461 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
1462 memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen + 2);
1463 }
1464 }
1465
1466 pwpa2 = rtw_get_wpa2_ie(buf, &wpa2_ielen, ielen);
1467 if (pwpa2 && wpa2_ielen > 0) {
1468 if (rtw_parse_wpa2_ie(pwpa2, wpa2_ielen + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
1469 padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1470 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
1471 memcpy(padapter->securitypriv.supplicant_ie, &pwpa2[0], wpa2_ielen + 2);
1472 }
1473 }
1474
1475 if (group_cipher == 0)
1476 group_cipher = WPA_CIPHER_NONE;
1477
1478 if (pairwise_cipher == 0)
1479 pairwise_cipher = WPA_CIPHER_NONE;
1480
1481 switch (group_cipher) {
1482 case WPA_CIPHER_NONE:
1483 padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
1484 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1485 break;
1486 case WPA_CIPHER_WEP40:
1487 padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
1488 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1489 break;
1490 case WPA_CIPHER_TKIP:
1491 padapter->securitypriv.dot118021XGrpPrivacy = _TKIP_;
1492 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1493 break;
1494 case WPA_CIPHER_CCMP:
1495 padapter->securitypriv.dot118021XGrpPrivacy = _AES_;
1496 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1497 break;
1498 case WPA_CIPHER_WEP104:
1499 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1500 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1501 break;
1502 }
1503
1504 switch (pairwise_cipher) {
1505 case WPA_CIPHER_NONE:
1506 padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
1507 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1508 break;
1509 case WPA_CIPHER_WEP40:
1510 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
1511 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1512 break;
1513 case WPA_CIPHER_TKIP:
1514 padapter->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
1515 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1516 break;
1517 case WPA_CIPHER_CCMP:
1518 padapter->securitypriv.dot11PrivacyAlgrthm = _AES_;
1519 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1520 break;
1521 case WPA_CIPHER_WEP104:
1522 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1523 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1524 break;
1525 }
1526
1527 {/* handle wps_ie */
1528 uint wps_ielen;
1529 u8 *wps_ie;
1530
1531 wps_ie = rtw_get_wps_ie(buf, ielen, NULL, &wps_ielen);
1532 if (wps_ie && wps_ielen > 0) {
1533 padapter->securitypriv.wps_ie_len = min_t(uint, wps_ielen, MAX_WPS_IE_LEN);
1534 memcpy(padapter->securitypriv.wps_ie, wps_ie, padapter->securitypriv.wps_ie_len);
1535 set_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS);
1536 } else {
1537 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1538 }
1539 }
1540
1541 /* TKIP and AES disallow multicast packets until installing group key */
1542 if (padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_
1543 || padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
1544 || padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
1545 /* WPS open need to enable multicast */
1546 /* check_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS) == true) */
1547 rtw_hal_set_hwreg(padapter, HW_VAR_OFF_RCR_AM, null_addr);
1548
1549 exit:
1550 kfree(buf);
1551 if (ret)
1552 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1553 return ret;
1554 }
1555
cfg80211_rtw_join_ibss(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ibss_params * params)1556 static int cfg80211_rtw_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1557 struct cfg80211_ibss_params *params)
1558 {
1559 struct adapter *padapter = rtw_netdev_priv(ndev);
1560 struct ndis_802_11_ssid ndis_ssid;
1561 struct security_priv *psecuritypriv = &padapter->securitypriv;
1562 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1563 int ret = 0;
1564
1565 if (rtw_pwr_wakeup(padapter) == _FAIL) {
1566 ret = -EPERM;
1567 goto exit;
1568 }
1569
1570 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1571 ret = -EPERM;
1572 goto exit;
1573 }
1574
1575 if (!params->ssid || !params->ssid_len) {
1576 ret = -EINVAL;
1577 goto exit;
1578 }
1579
1580 if (params->ssid_len > IW_ESSID_MAX_SIZE) {
1581 ret = -E2BIG;
1582 goto exit;
1583 }
1584
1585 memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1586 ndis_ssid.ssid_length = params->ssid_len;
1587 memcpy(ndis_ssid.ssid, (u8 *)params->ssid, params->ssid_len);
1588
1589 psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1590 psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1591 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1592 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1593 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1594
1595 ret = rtw_cfg80211_set_auth_type(psecuritypriv, NL80211_AUTHTYPE_OPEN_SYSTEM);
1596 rtw_set_802_11_authentication_mode(padapter, psecuritypriv->ndisauthtype);
1597
1598 if (rtw_set_802_11_ssid(padapter, &ndis_ssid) == false) {
1599 ret = -1;
1600 goto exit;
1601 }
1602
1603 exit:
1604 return ret;
1605 }
1606
cfg80211_rtw_leave_ibss(struct wiphy * wiphy,struct net_device * ndev)1607 static int cfg80211_rtw_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1608 {
1609 struct adapter *padapter = rtw_netdev_priv(ndev);
1610 struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1611 enum nl80211_iftype old_type;
1612 int ret = 0;
1613
1614 old_type = rtw_wdev->iftype;
1615
1616 rtw_set_to_roam(padapter, 0);
1617
1618 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
1619 rtw_scan_abort(padapter);
1620 LeaveAllPowerSaveMode(padapter);
1621
1622 rtw_wdev->iftype = NL80211_IFTYPE_STATION;
1623
1624 if (rtw_set_802_11_infrastructure_mode(padapter, Ndis802_11Infrastructure) == false) {
1625 rtw_wdev->iftype = old_type;
1626 ret = -EPERM;
1627 goto leave_ibss;
1628 }
1629 rtw_setopmode_cmd(padapter, Ndis802_11Infrastructure, true);
1630 }
1631
1632 leave_ibss:
1633 return ret;
1634 }
1635
cfg80211_rtw_connect(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_connect_params * sme)1636 static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev,
1637 struct cfg80211_connect_params *sme)
1638 {
1639 int ret = 0;
1640 enum ndis_802_11_authentication_mode authmode;
1641 struct ndis_802_11_ssid ndis_ssid;
1642 struct adapter *padapter = rtw_netdev_priv(ndev);
1643 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1644 struct security_priv *psecuritypriv = &padapter->securitypriv;
1645
1646 padapter->mlmepriv.not_indic_disco = true;
1647
1648 if (adapter_wdev_data(padapter)->block == true) {
1649 ret = -EBUSY;
1650 goto exit;
1651 }
1652
1653 rtw_ps_deny(padapter, PS_DENY_JOIN);
1654 if (rtw_pwr_wakeup(padapter) == _FAIL) {
1655 ret = -EPERM;
1656 goto exit;
1657 }
1658
1659 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1660 ret = -EPERM;
1661 goto exit;
1662 }
1663
1664 if (!sme->ssid || !sme->ssid_len) {
1665 ret = -EINVAL;
1666 goto exit;
1667 }
1668
1669 if (sme->ssid_len > IW_ESSID_MAX_SIZE) {
1670 ret = -E2BIG;
1671 goto exit;
1672 }
1673
1674 memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1675 ndis_ssid.ssid_length = sme->ssid_len;
1676 memcpy(ndis_ssid.ssid, (u8 *)sme->ssid, sme->ssid_len);
1677
1678 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1679 ret = -EBUSY;
1680 goto exit;
1681 }
1682 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true)
1683 rtw_scan_abort(padapter);
1684
1685 psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1686 psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1687 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1688 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1689 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1690
1691 ret = rtw_cfg80211_set_wpa_version(psecuritypriv, sme->crypto.wpa_versions);
1692 if (ret < 0)
1693 goto exit;
1694
1695 ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme->auth_type);
1696
1697 if (ret < 0)
1698 goto exit;
1699
1700 ret = rtw_cfg80211_set_wpa_ie(padapter, (u8 *)sme->ie, sme->ie_len);
1701 if (ret < 0)
1702 goto exit;
1703
1704 if (sme->crypto.n_ciphers_pairwise) {
1705 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.ciphers_pairwise[0], true);
1706 if (ret < 0)
1707 goto exit;
1708 }
1709
1710 /* For WEP Shared auth */
1711 if ((psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Shared ||
1712 psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Auto) && sme->key) {
1713 u32 wep_key_idx, wep_key_len, wep_total_len;
1714 struct ndis_802_11_wep *pwep = NULL;
1715
1716 wep_key_idx = sme->key_idx;
1717 wep_key_len = sme->key_len;
1718
1719 if (sme->key_idx > WEP_KEYS) {
1720 ret = -EINVAL;
1721 goto exit;
1722 }
1723
1724 if (wep_key_len > 0) {
1725 wep_key_len = wep_key_len <= 5 ? 5 : 13;
1726 wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, key_material);
1727 pwep = rtw_malloc(wep_total_len);
1728 if (!pwep) {
1729 ret = -ENOMEM;
1730 goto exit;
1731 }
1732
1733 memset(pwep, 0, wep_total_len);
1734
1735 pwep->key_length = wep_key_len;
1736 pwep->length = wep_total_len;
1737
1738 if (wep_key_len == 13) {
1739 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1740 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1741 }
1742 } else {
1743 ret = -EINVAL;
1744 goto exit;
1745 }
1746
1747 pwep->key_index = wep_key_idx;
1748 pwep->key_index |= 0x80000000;
1749
1750 memcpy(pwep->key_material, (void *)sme->key, pwep->key_length);
1751
1752 if (rtw_set_802_11_add_wep(padapter, pwep) == (u8)_FAIL)
1753 ret = -EOPNOTSUPP;
1754
1755 kfree(pwep);
1756
1757 if (ret < 0)
1758 goto exit;
1759 }
1760
1761 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.cipher_group, false);
1762 if (ret < 0)
1763 return ret;
1764
1765 if (sme->crypto.n_akm_suites) {
1766 ret = rtw_cfg80211_set_key_mgt(psecuritypriv, sme->crypto.akm_suites[0]);
1767 if (ret < 0)
1768 goto exit;
1769 }
1770
1771 authmode = psecuritypriv->ndisauthtype;
1772 rtw_set_802_11_authentication_mode(padapter, authmode);
1773
1774 /* rtw_set_802_11_encryption_mode(padapter, padapter->securitypriv.ndisencryptstatus); */
1775
1776 if (rtw_set_802_11_connect(padapter, (u8 *)sme->bssid, &ndis_ssid) == false) {
1777 ret = -1;
1778 goto exit;
1779 }
1780
1781 exit:
1782
1783 rtw_ps_deny_cancel(padapter, PS_DENY_JOIN);
1784
1785 padapter->mlmepriv.not_indic_disco = false;
1786
1787 return ret;
1788 }
1789
cfg80211_rtw_disconnect(struct wiphy * wiphy,struct net_device * ndev,u16 reason_code)1790 static int cfg80211_rtw_disconnect(struct wiphy *wiphy, struct net_device *ndev,
1791 u16 reason_code)
1792 {
1793 struct adapter *padapter = rtw_netdev_priv(ndev);
1794
1795 rtw_set_to_roam(padapter, 0);
1796
1797 rtw_scan_abort(padapter);
1798 LeaveAllPowerSaveMode(padapter);
1799 rtw_disassoc_cmd(padapter, 500, false);
1800
1801 rtw_indicate_disconnect(padapter);
1802
1803 rtw_free_assoc_resources(padapter, 1);
1804 rtw_pwr_wakeup(padapter);
1805
1806 return 0;
1807 }
1808
cfg80211_rtw_set_txpower(struct wiphy * wiphy,struct wireless_dev * wdev,enum nl80211_tx_power_setting type,int mbm)1809 static int cfg80211_rtw_set_txpower(struct wiphy *wiphy,
1810 struct wireless_dev *wdev,
1811 enum nl80211_tx_power_setting type, int mbm)
1812 {
1813 return 0;
1814 }
1815
cfg80211_rtw_get_txpower(struct wiphy * wiphy,struct wireless_dev * wdev,int * dbm)1816 static int cfg80211_rtw_get_txpower(struct wiphy *wiphy,
1817 struct wireless_dev *wdev, int *dbm)
1818 {
1819 *dbm = (12);
1820
1821 return 0;
1822 }
1823
rtw_cfg80211_pwr_mgmt(struct adapter * adapter)1824 inline bool rtw_cfg80211_pwr_mgmt(struct adapter *adapter)
1825 {
1826 struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(adapter);
1827
1828 return rtw_wdev_priv->power_mgmt;
1829 }
1830
cfg80211_rtw_set_power_mgmt(struct wiphy * wiphy,struct net_device * ndev,bool enabled,int timeout)1831 static int cfg80211_rtw_set_power_mgmt(struct wiphy *wiphy,
1832 struct net_device *ndev,
1833 bool enabled, int timeout)
1834 {
1835 struct adapter *padapter = rtw_netdev_priv(ndev);
1836 struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(padapter);
1837
1838 rtw_wdev_priv->power_mgmt = enabled;
1839
1840 if (!enabled)
1841 LPS_Leave(padapter, "CFG80211_PWRMGMT");
1842
1843 return 0;
1844 }
1845
cfg80211_rtw_set_pmksa(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_pmksa * pmksa)1846 static int cfg80211_rtw_set_pmksa(struct wiphy *wiphy,
1847 struct net_device *ndev,
1848 struct cfg80211_pmksa *pmksa)
1849 {
1850 u8 index, blInserted = false;
1851 struct adapter *padapter = rtw_netdev_priv(ndev);
1852 struct security_priv *psecuritypriv = &padapter->securitypriv;
1853
1854 if (is_zero_ether_addr((u8 *)pmksa->bssid))
1855 return -EINVAL;
1856
1857 blInserted = false;
1858
1859 /* overwrite PMKID */
1860 for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
1861 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
1862 memcpy(psecuritypriv->PMKIDList[index].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
1863 psecuritypriv->PMKIDList[index].bUsed = true;
1864 psecuritypriv->PMKIDIndex = index + 1;
1865 blInserted = true;
1866 break;
1867 }
1868 }
1869
1870 if (!blInserted) {
1871 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].Bssid, (u8 *)pmksa->bssid, ETH_ALEN);
1872 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
1873
1874 psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].bUsed = true;
1875 psecuritypriv->PMKIDIndex++;
1876 if (psecuritypriv->PMKIDIndex == 16)
1877 psecuritypriv->PMKIDIndex = 0;
1878 }
1879
1880 return 0;
1881 }
1882
cfg80211_rtw_del_pmksa(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_pmksa * pmksa)1883 static int cfg80211_rtw_del_pmksa(struct wiphy *wiphy,
1884 struct net_device *ndev,
1885 struct cfg80211_pmksa *pmksa)
1886 {
1887 u8 index, bMatched = false;
1888 struct adapter *padapter = rtw_netdev_priv(ndev);
1889 struct security_priv *psecuritypriv = &padapter->securitypriv;
1890
1891 for (index = 0 ; index < NUM_PMKID_CACHE; index++) {
1892 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN)) {
1893 /*
1894 * BSSID is matched, the same AP => Remove this PMKID information
1895 * and reset it.
1896 */
1897 eth_zero_addr(psecuritypriv->PMKIDList[index].Bssid);
1898 memset(psecuritypriv->PMKIDList[index].PMKID, 0x00, WLAN_PMKID_LEN);
1899 psecuritypriv->PMKIDList[index].bUsed = false;
1900 bMatched = true;
1901 break;
1902 }
1903 }
1904
1905 if (!bMatched)
1906 return -EINVAL;
1907
1908 return 0;
1909 }
1910
cfg80211_rtw_flush_pmksa(struct wiphy * wiphy,struct net_device * ndev)1911 static int cfg80211_rtw_flush_pmksa(struct wiphy *wiphy,
1912 struct net_device *ndev)
1913 {
1914 struct adapter *padapter = rtw_netdev_priv(ndev);
1915 struct security_priv *psecuritypriv = &padapter->securitypriv;
1916
1917 memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
1918 psecuritypriv->PMKIDIndex = 0;
1919
1920 return 0;
1921 }
1922
rtw_cfg80211_indicate_sta_assoc(struct adapter * padapter,u8 * pmgmt_frame,uint frame_len)1923 void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame, uint frame_len)
1924 {
1925 struct net_device *ndev = padapter->pnetdev;
1926
1927 {
1928 struct station_info sinfo = {};
1929 u8 ie_offset;
1930
1931 if (GetFrameSubType(pmgmt_frame) == WIFI_ASSOCREQ)
1932 ie_offset = _ASOCREQ_IE_OFFSET_;
1933 else /* WIFI_REASSOCREQ */
1934 ie_offset = _REASOCREQ_IE_OFFSET_;
1935
1936 sinfo.filled = 0;
1937 sinfo.assoc_req_ies = pmgmt_frame + WLAN_HDR_A3_LEN + ie_offset;
1938 sinfo.assoc_req_ies_len = frame_len - WLAN_HDR_A3_LEN - ie_offset;
1939 cfg80211_new_sta(ndev, GetAddr2Ptr(pmgmt_frame), &sinfo, GFP_ATOMIC);
1940 }
1941 }
1942
rtw_cfg80211_indicate_sta_disassoc(struct adapter * padapter,unsigned char * da,unsigned short reason)1943 void rtw_cfg80211_indicate_sta_disassoc(struct adapter *padapter, unsigned char *da, unsigned short reason)
1944 {
1945 struct net_device *ndev = padapter->pnetdev;
1946
1947 cfg80211_del_sta(ndev, da, GFP_ATOMIC);
1948 }
1949
rtw_get_chan_type(struct adapter * adapter)1950 static u8 rtw_get_chan_type(struct adapter *adapter)
1951 {
1952 struct mlme_ext_priv *mlme_ext = &adapter->mlmeextpriv;
1953
1954 switch (mlme_ext->cur_bwmode) {
1955 case CHANNEL_WIDTH_20:
1956 if (is_supported_ht(adapter->registrypriv.wireless_mode))
1957 return NL80211_CHAN_HT20;
1958 else
1959 return NL80211_CHAN_NO_HT;
1960 case CHANNEL_WIDTH_40:
1961 if (mlme_ext->cur_ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
1962 return NL80211_CHAN_HT40PLUS;
1963 else
1964 return NL80211_CHAN_HT40MINUS;
1965 default:
1966 return NL80211_CHAN_HT20;
1967 }
1968
1969 return NL80211_CHAN_HT20;
1970 }
1971
cfg80211_rtw_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id,struct cfg80211_chan_def * chandef)1972 static int cfg80211_rtw_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
1973 unsigned int link_id,
1974 struct cfg80211_chan_def *chandef)
1975 {
1976 struct adapter *adapter = wiphy_to_adapter(wiphy);
1977 struct registry_priv *registrypriv = &adapter->registrypriv;
1978 enum nl80211_channel_type chan_type;
1979 struct ieee80211_channel *chan = NULL;
1980 int channel;
1981 int freq;
1982
1983 if (!adapter->rtw_wdev)
1984 return -ENODEV;
1985
1986 channel = rtw_get_oper_ch(adapter);
1987 if (!channel)
1988 return -ENODATA;
1989
1990 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
1991
1992 chan = ieee80211_get_channel(adapter->rtw_wdev->wiphy, freq);
1993
1994 if (registrypriv->ht_enable) {
1995 chan_type = rtw_get_chan_type(adapter);
1996 cfg80211_chandef_create(chandef, chan, chan_type);
1997 } else {
1998 cfg80211_chandef_create(chandef, chan, NL80211_CHAN_NO_HT);
1999 }
2000
2001 return 0;
2002 }
2003
rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff * skb,struct net_device * ndev)2004 static netdev_tx_t rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
2005 {
2006 int rtap_len;
2007 int qos_len = 0;
2008 int dot11_hdr_len = 24;
2009 int snap_len = 6;
2010 unsigned char *pdata;
2011 u16 frame_control;
2012 unsigned char src_mac_addr[6];
2013 unsigned char dst_mac_addr[6];
2014 struct ieee80211_hdr *dot11_hdr;
2015 struct ieee80211_radiotap_header *rtap_hdr;
2016 struct adapter *padapter = rtw_netdev_priv(ndev);
2017
2018 if (!skb)
2019 goto fail;
2020
2021 if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
2022 goto fail;
2023
2024 rtap_hdr = (struct ieee80211_radiotap_header *)skb->data;
2025 if (unlikely(rtap_hdr->it_version))
2026 goto fail;
2027
2028 rtap_len = ieee80211_get_radiotap_len(skb->data);
2029 if (unlikely(skb->len < rtap_len))
2030 goto fail;
2031
2032 if (rtap_len != 14)
2033 goto fail;
2034
2035 /* Skip the ratio tap header */
2036 skb_pull(skb, rtap_len);
2037
2038 dot11_hdr = (struct ieee80211_hdr *)skb->data;
2039 frame_control = le16_to_cpu(dot11_hdr->frame_control);
2040 /* Check if the QoS bit is set */
2041 if ((frame_control & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
2042 /* Check if this ia a Wireless Distribution System (WDS) frame
2043 * which has 4 MAC addresses
2044 */
2045 if (frame_control & 0x0080)
2046 qos_len = 2;
2047 if ((frame_control & 0x0300) == 0x0300)
2048 dot11_hdr_len += 6;
2049
2050 memcpy(dst_mac_addr, dot11_hdr->addr1, sizeof(dst_mac_addr));
2051 memcpy(src_mac_addr, dot11_hdr->addr2, sizeof(src_mac_addr));
2052
2053 /* Skip the 802.11 header, QoS (if any) and SNAP, but leave spaces for
2054 * two MAC addresses
2055 */
2056 skb_pull(skb, dot11_hdr_len + qos_len + snap_len - sizeof(src_mac_addr) * 2);
2057 pdata = (unsigned char *)skb->data;
2058 memcpy(pdata, dst_mac_addr, sizeof(dst_mac_addr));
2059 memcpy(pdata + sizeof(dst_mac_addr), src_mac_addr, sizeof(src_mac_addr));
2060
2061 /* Use the real net device to transmit the packet */
2062 _rtw_xmit_entry(skb, padapter->pnetdev);
2063 return NETDEV_TX_OK;
2064
2065 } else if ((frame_control & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
2066 (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION)) {
2067 /* only for action frames */
2068 struct xmit_frame *pmgntframe;
2069 struct pkt_attrib *pattrib;
2070 unsigned char *pframe;
2071 /* u8 category, action, OUI_Subtype, dialogToken = 0; */
2072 /* unsigned char *frame_body; */
2073 struct ieee80211_hdr *pwlanhdr;
2074 struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2075 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2076 u8 *buf = skb->data;
2077 u32 len = skb->len;
2078 u8 category, action;
2079
2080 if (rtw_action_frame_parse(buf, len, &category, &action) == false)
2081 goto fail;
2082
2083 /* starting alloc mgmt frame to dump it */
2084 pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2085 if (!pmgntframe)
2086 goto fail;
2087
2088 /* update attribute */
2089 pattrib = &pmgntframe->attrib;
2090 update_mgntframe_attrib(padapter, pattrib);
2091 pattrib->retry_ctrl = false;
2092
2093 memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2094
2095 pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2096
2097 memcpy(pframe, (void *)buf, len);
2098 pattrib->pktlen = len;
2099
2100 pwlanhdr = (struct ieee80211_hdr *)pframe;
2101 /* update seq number */
2102 pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2103 pattrib->seqnum = pmlmeext->mgnt_seq;
2104 pmlmeext->mgnt_seq++;
2105
2106 pattrib->last_txcmdsz = pattrib->pktlen;
2107
2108 dump_mgntframe(padapter, pmgntframe);
2109 }
2110
2111 fail:
2112
2113 dev_kfree_skb_any(skb);
2114
2115 return NETDEV_TX_OK;
2116 }
2117
2118 static const struct net_device_ops rtw_cfg80211_monitor_if_ops = {
2119 .ndo_start_xmit = rtw_cfg80211_monitor_if_xmit_entry,
2120 };
2121
rtw_cfg80211_add_monitor_if(struct adapter * padapter,char * name,struct net_device ** ndev)2122 static int rtw_cfg80211_add_monitor_if(struct adapter *padapter, char *name, struct net_device **ndev)
2123 {
2124 int ret = 0;
2125 struct net_device *mon_ndev = NULL;
2126 struct wireless_dev *mon_wdev = NULL;
2127 struct rtw_netdev_priv_indicator *pnpi;
2128 struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
2129
2130 if (!name) {
2131 ret = -EINVAL;
2132 goto out;
2133 }
2134
2135 if (pwdev_priv->pmon_ndev) {
2136 ret = -EBUSY;
2137 goto out;
2138 }
2139
2140 mon_ndev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2141 if (!mon_ndev) {
2142 ret = -ENOMEM;
2143 goto out;
2144 }
2145
2146 mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP;
2147 strncpy(mon_ndev->name, name, IFNAMSIZ);
2148 mon_ndev->name[IFNAMSIZ - 1] = 0;
2149 mon_ndev->needs_free_netdev = true;
2150 mon_ndev->priv_destructor = rtw_ndev_destructor;
2151
2152 mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops;
2153
2154 pnpi = netdev_priv(mon_ndev);
2155 pnpi->priv = padapter;
2156 pnpi->sizeof_priv = sizeof(struct adapter);
2157
2158 /* wdev */
2159 mon_wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2160 if (!mon_wdev) {
2161 ret = -ENOMEM;
2162 goto out;
2163 }
2164
2165 mon_wdev->wiphy = padapter->rtw_wdev->wiphy;
2166 mon_wdev->netdev = mon_ndev;
2167 mon_wdev->iftype = NL80211_IFTYPE_MONITOR;
2168 mon_ndev->ieee80211_ptr = mon_wdev;
2169
2170 ret = cfg80211_register_netdevice(mon_ndev);
2171 if (ret)
2172 goto out;
2173
2174 *ndev = pwdev_priv->pmon_ndev = mon_ndev;
2175 memcpy(pwdev_priv->ifname_mon, name, IFNAMSIZ + 1);
2176
2177 out:
2178 if (ret && mon_wdev) {
2179 kfree(mon_wdev);
2180 mon_wdev = NULL;
2181 }
2182
2183 if (ret && mon_ndev) {
2184 free_netdev(mon_ndev);
2185 *ndev = mon_ndev = NULL;
2186 }
2187
2188 return ret;
2189 }
2190
2191 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)2192 cfg80211_rtw_add_virtual_intf(
2193 struct wiphy *wiphy,
2194 const char *name,
2195 unsigned char name_assign_type,
2196 enum nl80211_iftype type, struct vif_params *params)
2197 {
2198 int ret = 0;
2199 struct net_device *ndev = NULL;
2200 struct adapter *padapter = wiphy_to_adapter(wiphy);
2201
2202 switch (type) {
2203 case NL80211_IFTYPE_ADHOC:
2204 case NL80211_IFTYPE_AP_VLAN:
2205 case NL80211_IFTYPE_WDS:
2206 case NL80211_IFTYPE_MESH_POINT:
2207 ret = -ENODEV;
2208 break;
2209 case NL80211_IFTYPE_MONITOR:
2210 ret = rtw_cfg80211_add_monitor_if(padapter, (char *)name, &ndev);
2211 break;
2212 case NL80211_IFTYPE_P2P_CLIENT:
2213 case NL80211_IFTYPE_STATION:
2214 ret = -ENODEV;
2215 break;
2216 case NL80211_IFTYPE_P2P_GO:
2217 case NL80211_IFTYPE_AP:
2218 ret = -ENODEV;
2219 break;
2220 default:
2221 ret = -ENODEV;
2222 break;
2223 }
2224
2225 return ndev ? ndev->ieee80211_ptr : ERR_PTR(ret);
2226 }
2227
cfg80211_rtw_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)2228 static int cfg80211_rtw_del_virtual_intf(struct wiphy *wiphy,
2229 struct wireless_dev *wdev
2230 )
2231 {
2232 struct net_device *ndev = wdev_to_ndev(wdev);
2233 int ret = 0;
2234 struct adapter *adapter;
2235 struct rtw_wdev_priv *pwdev_priv;
2236
2237 if (!ndev) {
2238 ret = -EINVAL;
2239 goto exit;
2240 }
2241
2242 adapter = rtw_netdev_priv(ndev);
2243 pwdev_priv = adapter_wdev_data(adapter);
2244
2245 cfg80211_unregister_netdevice(ndev);
2246
2247 if (ndev == pwdev_priv->pmon_ndev) {
2248 pwdev_priv->pmon_ndev = NULL;
2249 pwdev_priv->ifname_mon[0] = '\0';
2250 }
2251
2252 exit:
2253 return ret;
2254 }
2255
rtw_add_beacon(struct adapter * adapter,const u8 * head,size_t head_len,const u8 * tail,size_t tail_len)2256 static int rtw_add_beacon(struct adapter *adapter, const u8 *head, size_t head_len, const u8 *tail, size_t tail_len)
2257 {
2258 int ret = 0;
2259 u8 *pbuf = NULL;
2260 uint len, wps_ielen = 0;
2261 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
2262
2263 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
2264 return -EINVAL;
2265
2266 if (head_len < 24)
2267 return -EINVAL;
2268
2269 pbuf = rtw_zmalloc(head_len + tail_len);
2270 if (!pbuf)
2271 return -ENOMEM;
2272
2273 memcpy(pbuf, (void *)head + 24, head_len - 24);/* 24 =beacon header len. */
2274 memcpy(pbuf + head_len - 24, (void *)tail, tail_len);
2275
2276 len = head_len + tail_len - 24;
2277
2278 /* check wps ie if inclued */
2279 rtw_get_wps_ie(pbuf + _FIXED_IE_LENGTH_, len - _FIXED_IE_LENGTH_, NULL, &wps_ielen);
2280
2281 /* pbss_network->ies will not include p2p_ie, wfd ie */
2282 rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, P2P_OUI, 4);
2283 rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, WLAN_EID_VENDOR_SPECIFIC, WFD_OUI, 4);
2284
2285 if (rtw_check_beacon_data(adapter, pbuf, len) == _SUCCESS)
2286 ret = 0;
2287 else
2288 ret = -EINVAL;
2289
2290 kfree(pbuf);
2291
2292 return ret;
2293 }
2294
cfg80211_rtw_start_ap(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ap_settings * settings)2295 static int cfg80211_rtw_start_ap(struct wiphy *wiphy, struct net_device *ndev,
2296 struct cfg80211_ap_settings *settings)
2297 {
2298 int ret = 0;
2299 struct adapter *adapter = rtw_netdev_priv(ndev);
2300
2301 ret = rtw_add_beacon(adapter, settings->beacon.head,
2302 settings->beacon.head_len, settings->beacon.tail,
2303 settings->beacon.tail_len);
2304
2305 adapter->mlmeextpriv.mlmext_info.hidden_ssid_mode = settings->hidden_ssid;
2306
2307 if (settings->ssid && settings->ssid_len) {
2308 struct wlan_bssid_ex *pbss_network = &adapter->mlmepriv.cur_network.network;
2309 struct wlan_bssid_ex *pbss_network_ext = &adapter->mlmeextpriv.mlmext_info.network;
2310
2311 memcpy(pbss_network->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
2312 pbss_network->ssid.ssid_length = settings->ssid_len;
2313 memcpy(pbss_network_ext->ssid.ssid, (void *)settings->ssid, settings->ssid_len);
2314 pbss_network_ext->ssid.ssid_length = settings->ssid_len;
2315 }
2316
2317 return ret;
2318 }
2319
cfg80211_rtw_change_beacon(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_beacon_data * info)2320 static int cfg80211_rtw_change_beacon(struct wiphy *wiphy,
2321 struct net_device *ndev,
2322 struct cfg80211_beacon_data *info)
2323 {
2324 struct adapter *adapter = rtw_netdev_priv(ndev);
2325
2326 return rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);
2327 }
2328
cfg80211_rtw_stop_ap(struct wiphy * wiphy,struct net_device * ndev,unsigned int link_id)2329 static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev,
2330 unsigned int link_id)
2331 {
2332 return 0;
2333 }
2334
cfg80211_rtw_add_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_parameters * params)2335 static int cfg80211_rtw_add_station(struct wiphy *wiphy,
2336 struct net_device *ndev,
2337 const u8 *mac,
2338 struct station_parameters *params)
2339 {
2340 return 0;
2341 }
2342
cfg80211_rtw_del_station(struct wiphy * wiphy,struct net_device * ndev,struct station_del_parameters * params)2343 static int cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev,
2344 struct station_del_parameters *params)
2345 {
2346 int ret = 0;
2347 struct list_head *phead, *plist, *tmp;
2348 u8 updated = false;
2349 struct sta_info *psta = NULL;
2350 struct adapter *padapter = rtw_netdev_priv(ndev);
2351 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2352 struct sta_priv *pstapriv = &padapter->stapriv;
2353 const u8 *mac = params->mac;
2354
2355 if (check_fwstate(pmlmepriv, (_FW_LINKED | WIFI_AP_STATE)) != true)
2356 return -EINVAL;
2357
2358 if (!mac) {
2359 flush_all_cam_entry(padapter); /* clear CAM */
2360
2361 rtw_sta_flush(padapter);
2362
2363 return 0;
2364 }
2365
2366 if (mac[0] == 0xff && mac[1] == 0xff &&
2367 mac[2] == 0xff && mac[3] == 0xff &&
2368 mac[4] == 0xff && mac[5] == 0xff) {
2369 return -EINVAL;
2370 }
2371
2372 spin_lock_bh(&pstapriv->asoc_list_lock);
2373
2374 phead = &pstapriv->asoc_list;
2375 /* check asoc_queue */
2376 list_for_each_safe(plist, tmp, phead) {
2377 psta = list_entry(plist, struct sta_info, asoc_list);
2378
2379 if (!memcmp((u8 *)mac, psta->hwaddr, ETH_ALEN)) {
2380 if (psta->dot8021xalg != 1 || psta->bpairwise_key_installed) {
2381 list_del_init(&psta->asoc_list);
2382 pstapriv->asoc_list_cnt--;
2383
2384 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
2385
2386 psta = NULL;
2387
2388 break;
2389 }
2390 }
2391 }
2392
2393 spin_unlock_bh(&pstapriv->asoc_list_lock);
2394
2395 associated_clients_update(padapter, updated);
2396
2397 return ret;
2398 }
2399
cfg80211_rtw_change_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_parameters * params)2400 static int cfg80211_rtw_change_station(struct wiphy *wiphy,
2401 struct net_device *ndev,
2402 const u8 *mac,
2403 struct station_parameters *params)
2404 {
2405 return 0;
2406 }
2407
rtw_sta_info_get_by_idx(const int idx,struct sta_priv * pstapriv)2408 static struct sta_info *rtw_sta_info_get_by_idx(const int idx, struct sta_priv *pstapriv)
2409
2410 {
2411 struct list_head *phead, *plist;
2412 struct sta_info *psta = NULL;
2413 int i = 0;
2414
2415 phead = &pstapriv->asoc_list;
2416 plist = get_next(phead);
2417
2418 /* check asoc_queue */
2419 while (phead != plist) {
2420 if (idx == i)
2421 psta = container_of(plist, struct sta_info, asoc_list);
2422 plist = get_next(plist);
2423 i++;
2424 }
2425 return psta;
2426 }
2427
cfg80211_rtw_dump_station(struct wiphy * wiphy,struct net_device * ndev,int idx,u8 * mac,struct station_info * sinfo)2428 static int cfg80211_rtw_dump_station(struct wiphy *wiphy,
2429 struct net_device *ndev,
2430 int idx, u8 *mac,
2431 struct station_info *sinfo)
2432 {
2433 int ret = 0;
2434 struct adapter *padapter = rtw_netdev_priv(ndev);
2435 struct sta_info *psta = NULL;
2436 struct sta_priv *pstapriv = &padapter->stapriv;
2437
2438 spin_lock_bh(&pstapriv->asoc_list_lock);
2439 psta = rtw_sta_info_get_by_idx(idx, pstapriv);
2440 spin_unlock_bh(&pstapriv->asoc_list_lock);
2441 if (psta == NULL) {
2442 ret = -ENOENT;
2443 goto exit;
2444 }
2445 memcpy(mac, psta->hwaddr, ETH_ALEN);
2446 sinfo->filled = BIT_ULL(NL80211_STA_INFO_SIGNAL);
2447 sinfo->signal = psta->rssi;
2448
2449 exit:
2450 return ret;
2451 }
2452
cfg80211_rtw_change_bss(struct wiphy * wiphy,struct net_device * ndev,struct bss_parameters * params)2453 static int cfg80211_rtw_change_bss(struct wiphy *wiphy,
2454 struct net_device *ndev,
2455 struct bss_parameters *params)
2456 {
2457 return 0;
2458 }
2459
rtw_cfg80211_rx_action(struct adapter * adapter,u8 * frame,uint frame_len,const char * msg)2460 void rtw_cfg80211_rx_action(struct adapter *adapter, u8 *frame, uint frame_len, const char *msg)
2461 {
2462 s32 freq;
2463 int channel;
2464 u8 category, action;
2465
2466 channel = rtw_get_oper_ch(adapter);
2467
2468 rtw_action_frame_parse(frame, frame_len, &category, &action);
2469
2470 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
2471
2472 rtw_cfg80211_rx_mgmt(adapter, freq, 0, frame, frame_len, GFP_ATOMIC);
2473 }
2474
_cfg80211_rtw_mgmt_tx(struct adapter * padapter,u8 tx_ch,const u8 * buf,size_t len)2475 static int _cfg80211_rtw_mgmt_tx(struct adapter *padapter, u8 tx_ch, const u8 *buf, size_t len)
2476 {
2477 struct xmit_frame *pmgntframe;
2478 struct pkt_attrib *pattrib;
2479 unsigned char *pframe;
2480 int ret = _FAIL;
2481 bool __maybe_unused ack = true;
2482 struct ieee80211_hdr *pwlanhdr;
2483 struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2484 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2485
2486 rtw_set_scan_deny(padapter, 1000);
2487
2488 rtw_scan_abort(padapter);
2489 if (tx_ch != rtw_get_oper_ch(padapter)) {
2490 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED))
2491 pmlmeext->cur_channel = tx_ch;
2492 set_channel_bwmode(padapter, tx_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
2493 }
2494
2495 /* starting alloc mgmt frame to dump it */
2496 pmgntframe = alloc_mgtxmitframe(pxmitpriv);
2497 if (!pmgntframe) {
2498 /* ret = -ENOMEM; */
2499 ret = _FAIL;
2500 goto exit;
2501 }
2502
2503 /* update attribute */
2504 pattrib = &pmgntframe->attrib;
2505 update_mgntframe_attrib(padapter, pattrib);
2506 pattrib->retry_ctrl = false;
2507
2508 memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2509
2510 pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2511
2512 memcpy(pframe, (void *)buf, len);
2513 pattrib->pktlen = len;
2514
2515 pwlanhdr = (struct ieee80211_hdr *)pframe;
2516 /* update seq number */
2517 pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2518 pattrib->seqnum = pmlmeext->mgnt_seq;
2519 pmlmeext->mgnt_seq++;
2520
2521 pattrib->last_txcmdsz = pattrib->pktlen;
2522
2523 if (dump_mgntframe_and_wait_ack(padapter, pmgntframe) != _SUCCESS) {
2524 ack = false;
2525 ret = _FAIL;
2526
2527 } else {
2528 msleep(50);
2529
2530 ret = _SUCCESS;
2531 }
2532
2533 exit:
2534
2535 return ret;
2536 }
2537
cfg80211_rtw_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)2538 static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
2539 struct cfg80211_mgmt_tx_params *params,
2540 u64 *cookie)
2541 {
2542 struct net_device *ndev = wdev_to_ndev(wdev);
2543 struct ieee80211_channel *chan = params->chan;
2544 const u8 *buf = params->buf;
2545 size_t len = params->len;
2546 int ret = 0;
2547 int tx_ret;
2548 u32 dump_limit = RTW_MAX_MGMT_TX_CNT;
2549 u32 dump_cnt = 0;
2550 bool ack = true;
2551 u8 tx_ch = (u8)ieee80211_frequency_to_channel(chan->center_freq);
2552 u8 category, action;
2553 int type = (-1);
2554 struct adapter *padapter;
2555 struct rtw_wdev_priv *pwdev_priv;
2556
2557 if (!ndev) {
2558 ret = -EINVAL;
2559 goto exit;
2560 }
2561
2562 padapter = rtw_netdev_priv(ndev);
2563 pwdev_priv = adapter_wdev_data(padapter);
2564
2565 /* cookie generation */
2566 *cookie = (unsigned long)buf;
2567
2568 /* indicate ack before issue frame to avoid racing with rsp frame */
2569 rtw_cfg80211_mgmt_tx_status(padapter, *cookie, buf, len, ack, GFP_KERNEL);
2570
2571 if (rtw_action_frame_parse(buf, len, &category, &action) == false)
2572 goto exit;
2573
2574 rtw_ps_deny(padapter, PS_DENY_MGNT_TX);
2575 if (rtw_pwr_wakeup(padapter) == _FAIL) {
2576 ret = -EFAULT;
2577 goto cancel_ps_deny;
2578 }
2579
2580 do {
2581 dump_cnt++;
2582 tx_ret = _cfg80211_rtw_mgmt_tx(padapter, tx_ch, buf, len);
2583 } while (dump_cnt < dump_limit && tx_ret != _SUCCESS);
2584
2585 switch (type) {
2586 case P2P_GO_NEGO_CONF:
2587 rtw_clear_scan_deny(padapter);
2588 break;
2589 case P2P_INVIT_RESP:
2590 if (pwdev_priv->invit_info.flags & BIT(0) && pwdev_priv->invit_info.status == 0) {
2591 rtw_set_scan_deny(padapter, 5000);
2592 rtw_pwr_wakeup_ex(padapter, 5000);
2593 rtw_clear_scan_deny(padapter);
2594 }
2595 break;
2596 }
2597
2598 cancel_ps_deny:
2599 rtw_ps_deny_cancel(padapter, PS_DENY_MGNT_TX);
2600 exit:
2601 return ret;
2602 }
2603
rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap * ht_cap,enum nl80211_band band)2604 static void rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap *ht_cap, enum nl80211_band band)
2605 {
2606 #define MAX_BIT_RATE_40MHZ_MCS15 300 /* Mbps */
2607 #define MAX_BIT_RATE_40MHZ_MCS7 150 /* Mbps */
2608
2609 ht_cap->ht_supported = true;
2610
2611 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2612 IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20 |
2613 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
2614
2615 /*
2616 *Maximum length of AMPDU that the STA can receive.
2617 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
2618 */
2619 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2620
2621 /*Minimum MPDU start spacing , */
2622 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
2623
2624 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2625
2626 /*
2627 *hw->wiphy->bands[NL80211_BAND_2GHZ]
2628 *base on ant_num
2629 *rx_mask: RX mask
2630 *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
2631 *if rx_ant =2 rx_mask[1]= 0xff;==>MCS8-MCS15
2632 *if rx_ant >=3 rx_mask[2]= 0xff;
2633 *if BW_40 rx_mask[4]= 0x01;
2634 *highest supported RX rate
2635 */
2636 ht_cap->mcs.rx_mask[0] = 0xFF;
2637 ht_cap->mcs.rx_mask[1] = 0x00;
2638 ht_cap->mcs.rx_mask[4] = 0x01;
2639
2640 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
2641 }
2642
rtw_cfg80211_init_wiphy(struct adapter * padapter)2643 void rtw_cfg80211_init_wiphy(struct adapter *padapter)
2644 {
2645 struct ieee80211_supported_band *bands;
2646 struct wireless_dev *pwdev = padapter->rtw_wdev;
2647 struct wiphy *wiphy = pwdev->wiphy;
2648
2649 {
2650 bands = wiphy->bands[NL80211_BAND_2GHZ];
2651 if (bands)
2652 rtw_cfg80211_init_ht_capab(&bands->ht_cap, NL80211_BAND_2GHZ);
2653 }
2654
2655 /* copy mac_addr to wiphy */
2656 memcpy(wiphy->perm_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
2657 }
2658
rtw_cfg80211_preinit_wiphy(struct adapter * padapter,struct wiphy * wiphy)2659 static void rtw_cfg80211_preinit_wiphy(struct adapter *padapter, struct wiphy *wiphy)
2660 {
2661 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2662
2663 wiphy->max_scan_ssids = RTW_SSID_SCAN_AMOUNT;
2664 wiphy->max_scan_ie_len = RTW_SCAN_IE_LEN_MAX;
2665 wiphy->max_num_pmkids = RTW_MAX_NUM_PMKIDS;
2666
2667 wiphy->max_remain_on_channel_duration = RTW_MAX_REMAIN_ON_CHANNEL_DURATION;
2668
2669 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
2670 | BIT(NL80211_IFTYPE_ADHOC)
2671 | BIT(NL80211_IFTYPE_AP)
2672 | BIT(NL80211_IFTYPE_MONITOR)
2673 ;
2674
2675 wiphy->mgmt_stypes = rtw_cfg80211_default_mgmt_stypes;
2676
2677 wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
2678
2679 wiphy->cipher_suites = rtw_cipher_suites;
2680 wiphy->n_cipher_suites = ARRAY_SIZE(rtw_cipher_suites);
2681
2682 /* if (padapter->registrypriv.wireless_mode & WIRELESS_11G) */
2683 wiphy->bands[NL80211_BAND_2GHZ] = rtw_spt_band_alloc(NL80211_BAND_2GHZ);
2684
2685 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2686 wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAVE_AP_SME;
2687
2688 #if defined(CONFIG_PM)
2689 wiphy->max_sched_scan_reqs = 1;
2690 #endif
2691
2692 #if defined(CONFIG_PM)
2693 wiphy->wowlan = &wowlan_stub;
2694 #endif
2695
2696 if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2697 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
2698 else
2699 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
2700 }
2701
2702 static struct cfg80211_ops rtw_cfg80211_ops = {
2703 .change_virtual_intf = cfg80211_rtw_change_iface,
2704 .add_key = cfg80211_rtw_add_key,
2705 .get_key = cfg80211_rtw_get_key,
2706 .del_key = cfg80211_rtw_del_key,
2707 .set_default_key = cfg80211_rtw_set_default_key,
2708 .get_station = cfg80211_rtw_get_station,
2709 .scan = cfg80211_rtw_scan,
2710 .set_wiphy_params = cfg80211_rtw_set_wiphy_params,
2711 .connect = cfg80211_rtw_connect,
2712 .disconnect = cfg80211_rtw_disconnect,
2713 .join_ibss = cfg80211_rtw_join_ibss,
2714 .leave_ibss = cfg80211_rtw_leave_ibss,
2715 .set_tx_power = cfg80211_rtw_set_txpower,
2716 .get_tx_power = cfg80211_rtw_get_txpower,
2717 .set_power_mgmt = cfg80211_rtw_set_power_mgmt,
2718 .set_pmksa = cfg80211_rtw_set_pmksa,
2719 .del_pmksa = cfg80211_rtw_del_pmksa,
2720 .flush_pmksa = cfg80211_rtw_flush_pmksa,
2721 .get_channel = cfg80211_rtw_get_channel,
2722 .add_virtual_intf = cfg80211_rtw_add_virtual_intf,
2723 .del_virtual_intf = cfg80211_rtw_del_virtual_intf,
2724
2725 .start_ap = cfg80211_rtw_start_ap,
2726 .change_beacon = cfg80211_rtw_change_beacon,
2727 .stop_ap = cfg80211_rtw_stop_ap,
2728
2729 .add_station = cfg80211_rtw_add_station,
2730 .del_station = cfg80211_rtw_del_station,
2731 .change_station = cfg80211_rtw_change_station,
2732 .dump_station = cfg80211_rtw_dump_station,
2733 .change_bss = cfg80211_rtw_change_bss,
2734
2735 .mgmt_tx = cfg80211_rtw_mgmt_tx,
2736 };
2737
rtw_wdev_alloc(struct adapter * padapter,struct device * dev)2738 int rtw_wdev_alloc(struct adapter *padapter, struct device *dev)
2739 {
2740 int ret = 0;
2741 struct wiphy *wiphy;
2742 struct wireless_dev *wdev;
2743 struct rtw_wdev_priv *pwdev_priv;
2744 struct net_device *pnetdev = padapter->pnetdev;
2745
2746 /* wiphy */
2747 wiphy = wiphy_new(&rtw_cfg80211_ops, sizeof(struct adapter *));
2748 if (!wiphy) {
2749 ret = -ENOMEM;
2750 goto exit;
2751 }
2752 set_wiphy_dev(wiphy, dev);
2753 *((struct adapter **)wiphy_priv(wiphy)) = padapter;
2754 rtw_cfg80211_preinit_wiphy(padapter, wiphy);
2755
2756 /* init regulary domain */
2757 rtw_regd_init(wiphy, rtw_reg_notifier);
2758
2759 ret = wiphy_register(wiphy);
2760 if (ret < 0)
2761 goto free_wiphy;
2762
2763 /* wdev */
2764 wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2765 if (!wdev) {
2766 ret = -ENOMEM;
2767 goto unregister_wiphy;
2768 }
2769 wdev->wiphy = wiphy;
2770 wdev->netdev = pnetdev;
2771
2772 wdev->iftype = NL80211_IFTYPE_STATION; /* will be init in rtw_hal_init() */
2773 /* Must sync with _rtw_init_mlme_priv() */
2774 /* pmlmepriv->fw_state = WIFI_STATION_STATE */
2775 padapter->rtw_wdev = wdev;
2776 pnetdev->ieee80211_ptr = wdev;
2777
2778 /* init pwdev_priv */
2779 pwdev_priv = adapter_wdev_data(padapter);
2780 pwdev_priv->rtw_wdev = wdev;
2781 pwdev_priv->pmon_ndev = NULL;
2782 pwdev_priv->ifname_mon[0] = '\0';
2783 pwdev_priv->padapter = padapter;
2784 pwdev_priv->scan_request = NULL;
2785 spin_lock_init(&pwdev_priv->scan_req_lock);
2786
2787 pwdev_priv->p2p_enabled = false;
2788 pwdev_priv->provdisc_req_issued = false;
2789 rtw_wdev_invit_info_init(&pwdev_priv->invit_info);
2790 rtw_wdev_nego_info_init(&pwdev_priv->nego_info);
2791
2792 pwdev_priv->bandroid_scan = false;
2793
2794 if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
2795 pwdev_priv->power_mgmt = true;
2796 else
2797 pwdev_priv->power_mgmt = false;
2798
2799 return ret;
2800
2801 unregister_wiphy:
2802 wiphy_unregister(wiphy);
2803 free_wiphy:
2804 wiphy_free(wiphy);
2805 exit:
2806 return ret;
2807 }
2808
rtw_wdev_free(struct wireless_dev * wdev)2809 void rtw_wdev_free(struct wireless_dev *wdev)
2810 {
2811 if (!wdev)
2812 return;
2813
2814 kfree(wdev->wiphy->bands[NL80211_BAND_2GHZ]);
2815
2816 wiphy_free(wdev->wiphy);
2817
2818 kfree(wdev);
2819 }
2820
rtw_wdev_unregister(struct wireless_dev * wdev)2821 void rtw_wdev_unregister(struct wireless_dev *wdev)
2822 {
2823 struct net_device *ndev;
2824 struct adapter *adapter;
2825 struct rtw_wdev_priv *pwdev_priv;
2826
2827 if (!wdev)
2828 return;
2829 ndev = wdev_to_ndev(wdev);
2830 if (!ndev)
2831 return;
2832
2833 adapter = rtw_netdev_priv(ndev);
2834 pwdev_priv = adapter_wdev_data(adapter);
2835
2836 rtw_cfg80211_indicate_scan_done(adapter, true);
2837
2838 if (pwdev_priv->pmon_ndev)
2839 unregister_netdev(pwdev_priv->pmon_ndev);
2840
2841 wiphy_unregister(wdev->wiphy);
2842 }
2843