1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7 #define _IOCTL_CFG80211_C_
8
9 #include <linux/etherdevice.h>
10 #include <drv_types.h>
11 #include <rtw_debug.h>
12 #include <linux/jiffies.h>
13
14 #include <rtw_wifi_regd.h>
15
16 #define RTW_MAX_MGMT_TX_CNT (8)
17
18 #define RTW_SCAN_IE_LEN_MAX 2304
19 #define RTW_MAX_REMAIN_ON_CHANNEL_DURATION 5000 /* ms */
20 #define RTW_MAX_NUM_PMKIDS 4
21
22 static const u32 rtw_cipher_suites[] = {
23 WLAN_CIPHER_SUITE_WEP40,
24 WLAN_CIPHER_SUITE_WEP104,
25 WLAN_CIPHER_SUITE_TKIP,
26 WLAN_CIPHER_SUITE_CCMP,
27 WLAN_CIPHER_SUITE_AES_CMAC,
28 };
29
30 #define RATETAB_ENT(_rate, _rateid, _flags) \
31 { \
32 .bitrate = (_rate), \
33 .hw_value = (_rateid), \
34 .flags = (_flags), \
35 }
36
37 #define CHAN2G(_channel, _freq, _flags) { \
38 .band = NL80211_BAND_2GHZ, \
39 .center_freq = (_freq), \
40 .hw_value = (_channel), \
41 .flags = (_flags), \
42 .max_antenna_gain = 0, \
43 .max_power = 30, \
44 }
45
46 /* if wowlan is not supported, kernel generate a disconnect at each suspend
47 * cf: /net/wireless/sysfs.c, so register a stub wowlan.
48 * Moreover wowlan has to be enabled via a the nl80211_set_wowlan callback.
49 * (from user space, e.g. iw phy0 wowlan enable)
50 */
51 static const struct wiphy_wowlan_support wowlan_stub = {
52 .flags = WIPHY_WOWLAN_ANY,
53 .n_patterns = 0,
54 .pattern_max_len = 0,
55 .pattern_min_len = 0,
56 .max_pkt_offset = 0,
57 };
58
59 static struct ieee80211_rate rtw_rates[] = {
60 RATETAB_ENT(10, 0x1, 0),
61 RATETAB_ENT(20, 0x2, 0),
62 RATETAB_ENT(55, 0x4, 0),
63 RATETAB_ENT(110, 0x8, 0),
64 RATETAB_ENT(60, 0x10, 0),
65 RATETAB_ENT(90, 0x20, 0),
66 RATETAB_ENT(120, 0x40, 0),
67 RATETAB_ENT(180, 0x80, 0),
68 RATETAB_ENT(240, 0x100, 0),
69 RATETAB_ENT(360, 0x200, 0),
70 RATETAB_ENT(480, 0x400, 0),
71 RATETAB_ENT(540, 0x800, 0),
72 };
73
74 #define rtw_a_rates (rtw_rates + 4)
75 #define RTW_A_RATES_NUM 8
76 #define rtw_g_rates (rtw_rates + 0)
77 #define RTW_G_RATES_NUM 12
78
79 #define RTW_2G_CHANNELS_NUM 14
80 #define RTW_5G_CHANNELS_NUM 37
81
82 static struct ieee80211_channel rtw_2ghz_channels[] = {
83 CHAN2G(1, 2412, 0),
84 CHAN2G(2, 2417, 0),
85 CHAN2G(3, 2422, 0),
86 CHAN2G(4, 2427, 0),
87 CHAN2G(5, 2432, 0),
88 CHAN2G(6, 2437, 0),
89 CHAN2G(7, 2442, 0),
90 CHAN2G(8, 2447, 0),
91 CHAN2G(9, 2452, 0),
92 CHAN2G(10, 2457, 0),
93 CHAN2G(11, 2462, 0),
94 CHAN2G(12, 2467, 0),
95 CHAN2G(13, 2472, 0),
96 CHAN2G(14, 2484, 0),
97 };
98
rtw_2g_channels_init(struct ieee80211_channel * channels)99 static void rtw_2g_channels_init(struct ieee80211_channel *channels)
100 {
101 memcpy((void *)channels, (void *)rtw_2ghz_channels,
102 sizeof(struct ieee80211_channel)*RTW_2G_CHANNELS_NUM
103 );
104 }
105
rtw_2g_rates_init(struct ieee80211_rate * rates)106 static void rtw_2g_rates_init(struct ieee80211_rate *rates)
107 {
108 memcpy(rates, rtw_g_rates,
109 sizeof(struct ieee80211_rate)*RTW_G_RATES_NUM
110 );
111 }
112
rtw_spt_band_alloc(enum nl80211_band band)113 static struct ieee80211_supported_band *rtw_spt_band_alloc(
114 enum nl80211_band band
115 )
116 {
117 struct ieee80211_supported_band *spt_band = NULL;
118 int n_channels, n_bitrates;
119
120 if (band == NL80211_BAND_2GHZ)
121 {
122 n_channels = RTW_2G_CHANNELS_NUM;
123 n_bitrates = RTW_G_RATES_NUM;
124 }
125 else
126 {
127 goto exit;
128 }
129
130 spt_band = rtw_zmalloc(sizeof(struct ieee80211_supported_band) +
131 sizeof(struct ieee80211_channel) * n_channels +
132 sizeof(struct ieee80211_rate) * n_bitrates);
133 if (!spt_band)
134 goto exit;
135
136 spt_band->channels = (struct ieee80211_channel *)(((u8 *)spt_band)+sizeof(struct ieee80211_supported_band));
137 spt_band->bitrates = (struct ieee80211_rate *)(((u8 *)spt_band->channels)+sizeof(struct ieee80211_channel)*n_channels);
138 spt_band->band = band;
139 spt_band->n_channels = n_channels;
140 spt_band->n_bitrates = n_bitrates;
141
142 if (band == NL80211_BAND_2GHZ)
143 {
144 rtw_2g_channels_init(spt_band->channels);
145 rtw_2g_rates_init(spt_band->bitrates);
146 }
147
148 /* spt_band.ht_cap */
149
150 exit:
151
152 return spt_band;
153 }
154
155 static const struct ieee80211_txrx_stypes
156 rtw_cfg80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
157 [NL80211_IFTYPE_ADHOC] = {
158 .tx = 0xffff,
159 .rx = BIT(IEEE80211_STYPE_ACTION >> 4)
160 },
161 [NL80211_IFTYPE_STATION] = {
162 .tx = 0xffff,
163 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
164 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
165 },
166 [NL80211_IFTYPE_AP] = {
167 .tx = 0xffff,
168 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
169 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
170 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
171 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
172 BIT(IEEE80211_STYPE_AUTH >> 4) |
173 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
174 BIT(IEEE80211_STYPE_ACTION >> 4)
175 },
176 [NL80211_IFTYPE_AP_VLAN] = {
177 /* copy AP */
178 .tx = 0xffff,
179 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
180 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
181 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
182 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
183 BIT(IEEE80211_STYPE_AUTH >> 4) |
184 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
185 BIT(IEEE80211_STYPE_ACTION >> 4)
186 },
187 [NL80211_IFTYPE_P2P_CLIENT] = {
188 .tx = 0xffff,
189 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
190 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
191 },
192 [NL80211_IFTYPE_P2P_GO] = {
193 .tx = 0xffff,
194 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
195 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
196 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
197 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
198 BIT(IEEE80211_STYPE_AUTH >> 4) |
199 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
200 BIT(IEEE80211_STYPE_ACTION >> 4)
201 },
202 };
203
rtw_ieee80211_channel_to_frequency(int chan,int band)204 static int rtw_ieee80211_channel_to_frequency(int chan, int band)
205 {
206 /* see 802.11 17.3.8.3.2 and Annex J
207 * there are overlapping channel numbers in 5GHz and 2GHz bands */
208 if (band == NL80211_BAND_2GHZ) {
209 if (chan == 14)
210 return 2484;
211 else if (chan < 14)
212 return 2407 + chan * 5;
213 }
214
215 return 0; /* not supported */
216 }
217
218 #define MAX_BSSINFO_LEN 1000
rtw_cfg80211_inform_bss(struct adapter * padapter,struct wlan_network * pnetwork)219 struct cfg80211_bss *rtw_cfg80211_inform_bss(struct adapter *padapter, struct wlan_network *pnetwork)
220 {
221 struct ieee80211_channel *notify_channel;
222 struct cfg80211_bss *bss = NULL;
223 /* struct ieee80211_supported_band *band; */
224 u16 channel;
225 u32 freq;
226 u64 notify_timestamp;
227 s32 notify_signal;
228 u8 *buf = NULL, *pbuf;
229 size_t len, bssinf_len = 0;
230 struct ieee80211_hdr *pwlanhdr;
231 __le16 *fctrl;
232 u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
233
234 struct wireless_dev *wdev = padapter->rtw_wdev;
235 struct wiphy *wiphy = wdev->wiphy;
236 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
237
238
239 /* DBG_8192C("%s\n", __func__); */
240
241 bssinf_len = pnetwork->network.IELength + sizeof(struct ieee80211_hdr_3addr);
242 if (bssinf_len > MAX_BSSINFO_LEN) {
243 DBG_871X("%s IE Length too long > %d byte\n", __func__, MAX_BSSINFO_LEN);
244 goto exit;
245 }
246
247 {
248 u16 wapi_len = 0;
249
250 if (rtw_get_wapi_ie(pnetwork->network.IEs, pnetwork->network.IELength, NULL, &wapi_len) > 0)
251 {
252 if (wapi_len > 0)
253 {
254 DBG_871X("%s, no support wapi!\n", __func__);
255 goto exit;
256 }
257 }
258 }
259
260 /* To reduce PBC Overlap rate */
261 /* spin_lock_bh(&pwdev_priv->scan_req_lock); */
262 if (adapter_wdev_data(padapter)->scan_request != NULL)
263 {
264 u8 *psr = NULL, sr = 0;
265 struct ndis_802_11_ssid *pssid = &pnetwork->network.Ssid;
266 struct cfg80211_scan_request *request = adapter_wdev_data(padapter)->scan_request;
267 struct cfg80211_ssid *ssids = request->ssids;
268 u32 wpsielen = 0;
269 u8 *wpsie = NULL;
270
271 wpsie = rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wpsielen);
272
273 if (wpsie && wpsielen > 0)
274 psr = rtw_get_wps_attr_content(wpsie, wpsielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL);
275
276 if (sr != 0)
277 {
278 if (request->n_ssids == 1 && request->n_channels == 1) /* it means under processing WPS */
279 {
280 DBG_8192C("ssid =%s, len =%d\n", pssid->Ssid, pssid->SsidLength);
281
282 if (ssids[0].ssid_len == 0) {
283 }
284 else if (pssid->SsidLength == ssids[0].ssid_len &&
285 !memcmp(pssid->Ssid, ssids[0].ssid, ssids[0].ssid_len))
286 {
287 DBG_871X("%s, got sr and ssid match!\n", __func__);
288 }
289 else
290 {
291 if (psr != NULL)
292 *psr = 0; /* clear sr */
293 }
294 }
295 }
296 }
297 /* spin_unlock_bh(&pwdev_priv->scan_req_lock); */
298
299
300 channel = pnetwork->network.Configuration.DSConfig;
301 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
302
303 notify_channel = ieee80211_get_channel(wiphy, freq);
304
305 notify_timestamp = ktime_to_us(ktime_get_boottime());
306
307 /* We've set wiphy's signal_type as CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) */
308 if (check_fwstate(pmlmepriv, _FW_LINKED) == true &&
309 is_same_network(&pmlmepriv->cur_network.network, &pnetwork->network, 0)) {
310 notify_signal = 100*translate_percentage_to_dbm(padapter->recvpriv.signal_strength);/* dbm */
311 } else {
312 notify_signal = 100*translate_percentage_to_dbm(pnetwork->network.PhyInfo.SignalStrength);/* dbm */
313 }
314
315 buf = kzalloc(MAX_BSSINFO_LEN, GFP_ATOMIC);
316 if (!buf)
317 goto exit;
318 pbuf = buf;
319
320 pwlanhdr = (struct ieee80211_hdr *)pbuf;
321 fctrl = &(pwlanhdr->frame_control);
322 *(fctrl) = 0;
323
324 SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/);
325 /* pmlmeext->mgnt_seq++; */
326
327 if (pnetwork->network.Reserved[0] == 1) { /* WIFI_BEACON */
328 memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN);
329 SetFrameSubType(pbuf, WIFI_BEACON);
330 } else {
331 memcpy(pwlanhdr->addr1, myid(&(padapter->eeprompriv)), ETH_ALEN);
332 SetFrameSubType(pbuf, WIFI_PROBERSP);
333 }
334
335 memcpy(pwlanhdr->addr2, pnetwork->network.MacAddress, ETH_ALEN);
336 memcpy(pwlanhdr->addr3, pnetwork->network.MacAddress, ETH_ALEN);
337
338
339 pbuf += sizeof(struct ieee80211_hdr_3addr);
340 len = sizeof(struct ieee80211_hdr_3addr);
341
342 memcpy(pbuf, pnetwork->network.IEs, pnetwork->network.IELength);
343 len += pnetwork->network.IELength;
344
345 *((__le64 *)pbuf) = cpu_to_le64(notify_timestamp);
346
347 bss = cfg80211_inform_bss_frame(wiphy, notify_channel, (struct ieee80211_mgmt *)buf,
348 len, notify_signal, GFP_ATOMIC);
349
350 if (unlikely(!bss)) {
351 DBG_8192C(FUNC_ADPT_FMT" bss NULL\n", FUNC_ADPT_ARG(padapter));
352 goto exit;
353 }
354
355 cfg80211_put_bss(wiphy, bss);
356 kfree(buf);
357
358 exit:
359 return bss;
360
361 }
362
363 /*
364 Check the given bss is valid by kernel API cfg80211_get_bss()
365 @padapter : the given adapter
366
367 return true if bss is valid, false for not found.
368 */
rtw_cfg80211_check_bss(struct adapter * padapter)369 int rtw_cfg80211_check_bss(struct adapter *padapter)
370 {
371 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
372 struct cfg80211_bss *bss = NULL;
373 struct ieee80211_channel *notify_channel = NULL;
374 u32 freq;
375
376 if (!(pnetwork) || !(padapter->rtw_wdev))
377 return false;
378
379 freq = rtw_ieee80211_channel_to_frequency(pnetwork->Configuration.DSConfig, NL80211_BAND_2GHZ);
380
381 notify_channel = ieee80211_get_channel(padapter->rtw_wdev->wiphy, freq);
382 bss = cfg80211_get_bss(padapter->rtw_wdev->wiphy, notify_channel,
383 pnetwork->MacAddress, pnetwork->Ssid.Ssid,
384 pnetwork->Ssid.SsidLength,
385 WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
386
387 cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
388
389 return (bss != NULL);
390 }
391
rtw_cfg80211_ibss_indicate_connect(struct adapter * padapter)392 void rtw_cfg80211_ibss_indicate_connect(struct adapter *padapter)
393 {
394 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
395 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
396 struct wireless_dev *pwdev = padapter->rtw_wdev;
397 struct wiphy *wiphy = pwdev->wiphy;
398 int freq = (int)cur_network->network.Configuration.DSConfig;
399 struct ieee80211_channel *chan;
400
401 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
402 if (pwdev->iftype != NL80211_IFTYPE_ADHOC)
403 {
404 return;
405 }
406
407 if (!rtw_cfg80211_check_bss(padapter)) {
408 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
409 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
410
411 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)
412 {
413
414 memcpy(&cur_network->network, pnetwork, sizeof(struct wlan_bssid_ex));
415 if (!rtw_cfg80211_inform_bss(padapter, cur_network))
416 DBG_871X(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
417 else
418 DBG_871X(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter));
419 }
420 else
421 {
422 if (scanned == NULL) {
423 rtw_warn_on(1);
424 return;
425 }
426 if (!memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(struct ndis_802_11_ssid))
427 && !memcmp(scanned->network.MacAddress, pnetwork->MacAddress, sizeof(NDIS_802_11_MAC_ADDRESS))
428 ) {
429 if (!rtw_cfg80211_inform_bss(padapter, scanned)) {
430 DBG_871X(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
431 } else {
432 /* DBG_871X(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter)); */
433 }
434 } else {
435 DBG_871X("scanned & pnetwork compare fail\n");
436 rtw_warn_on(1);
437 }
438 }
439
440 if (!rtw_cfg80211_check_bss(padapter))
441 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" BSS not found !!\n", FUNC_ADPT_ARG(padapter));
442 }
443 /* notify cfg80211 that device joined an IBSS */
444 chan = ieee80211_get_channel(wiphy, freq);
445 cfg80211_ibss_joined(padapter->pnetdev, cur_network->network.MacAddress, chan, GFP_ATOMIC);
446 }
447
rtw_cfg80211_indicate_connect(struct adapter * padapter)448 void rtw_cfg80211_indicate_connect(struct adapter *padapter)
449 {
450 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
451 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
452 struct wireless_dev *pwdev = padapter->rtw_wdev;
453
454 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
455 if (pwdev->iftype != NL80211_IFTYPE_STATION
456 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
457 ) {
458 return;
459 }
460
461 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
462 return;
463
464 {
465 struct wlan_bssid_ex *pnetwork = &(padapter->mlmeextpriv.mlmext_info.network);
466 struct wlan_network *scanned = pmlmepriv->cur_network_scanned;
467
468 /* DBG_871X(FUNC_ADPT_FMT" BSS not found\n", FUNC_ADPT_ARG(padapter)); */
469
470 if (scanned == NULL) {
471 rtw_warn_on(1);
472 goto check_bss;
473 }
474
475 if (!memcmp(scanned->network.MacAddress, pnetwork->MacAddress, sizeof(NDIS_802_11_MAC_ADDRESS))
476 && !memcmp(&(scanned->network.Ssid), &(pnetwork->Ssid), sizeof(struct ndis_802_11_ssid))
477 ) {
478 if (!rtw_cfg80211_inform_bss(padapter, scanned)) {
479 DBG_871X(FUNC_ADPT_FMT" inform fail !!\n", FUNC_ADPT_ARG(padapter));
480 } else {
481 /* DBG_871X(FUNC_ADPT_FMT" inform success !!\n", FUNC_ADPT_ARG(padapter)); */
482 }
483 } else {
484 DBG_871X("scanned: %s("MAC_FMT"), cur: %s("MAC_FMT")\n",
485 scanned->network.Ssid.Ssid, MAC_ARG(scanned->network.MacAddress),
486 pnetwork->Ssid.Ssid, MAC_ARG(pnetwork->MacAddress)
487 );
488 rtw_warn_on(1);
489 }
490 }
491
492 check_bss:
493 if (!rtw_cfg80211_check_bss(padapter))
494 DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" BSS not found !!\n", FUNC_ADPT_ARG(padapter));
495
496 if (rtw_to_roam(padapter) > 0) {
497 struct wiphy *wiphy = pwdev->wiphy;
498 struct ieee80211_channel *notify_channel;
499 u32 freq;
500 u16 channel = cur_network->network.Configuration.DSConfig;
501 struct cfg80211_roam_info roam_info = {};
502
503 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
504
505 notify_channel = ieee80211_get_channel(wiphy, freq);
506
507 DBG_871X(FUNC_ADPT_FMT" call cfg80211_roamed\n", FUNC_ADPT_ARG(padapter));
508 roam_info.channel = notify_channel;
509 roam_info.bssid = cur_network->network.MacAddress;
510 roam_info.req_ie =
511 pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2;
512 roam_info.req_ie_len =
513 pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2;
514 roam_info.resp_ie =
515 pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6;
516 roam_info.resp_ie_len =
517 pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6;
518 cfg80211_roamed(padapter->pnetdev, &roam_info, GFP_ATOMIC);
519 }
520 else
521 {
522 cfg80211_connect_result(padapter->pnetdev, cur_network->network.MacAddress
523 , pmlmepriv->assoc_req+sizeof(struct ieee80211_hdr_3addr)+2
524 , pmlmepriv->assoc_req_len-sizeof(struct ieee80211_hdr_3addr)-2
525 , pmlmepriv->assoc_rsp+sizeof(struct ieee80211_hdr_3addr)+6
526 , pmlmepriv->assoc_rsp_len-sizeof(struct ieee80211_hdr_3addr)-6
527 , WLAN_STATUS_SUCCESS, GFP_ATOMIC);
528 }
529 }
530
rtw_cfg80211_indicate_disconnect(struct adapter * padapter)531 void rtw_cfg80211_indicate_disconnect(struct adapter *padapter)
532 {
533 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
534 struct wireless_dev *pwdev = padapter->rtw_wdev;
535
536 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
537
538 if (pwdev->iftype != NL80211_IFTYPE_STATION
539 && pwdev->iftype != NL80211_IFTYPE_P2P_CLIENT
540 ) {
541 return;
542 }
543
544 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
545 return;
546
547 if (!padapter->mlmepriv.not_indic_disco) {
548 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
549 cfg80211_disconnected(padapter->pnetdev, 0,
550 NULL, 0, true, GFP_ATOMIC);
551 } else {
552 cfg80211_connect_result(padapter->pnetdev, NULL, NULL, 0, NULL, 0,
553 WLAN_STATUS_UNSPECIFIED_FAILURE, GFP_ATOMIC/*GFP_KERNEL*/);
554 }
555 }
556 }
557
558
rtw_cfg80211_ap_set_encryption(struct net_device * dev,struct ieee_param * param,u32 param_len)559 static int rtw_cfg80211_ap_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
560 {
561 int ret = 0;
562 u32 wep_key_idx, wep_key_len;
563 struct sta_info *psta = NULL, *pbcmc_sta = NULL;
564 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
565 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
566 struct security_priv* psecuritypriv = &(padapter->securitypriv);
567 struct sta_priv *pstapriv = &padapter->stapriv;
568
569 DBG_8192C("%s\n", __func__);
570
571 param->u.crypt.err = 0;
572 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
573
574 if (param_len != sizeof(struct ieee_param) + param->u.crypt.key_len)
575 {
576 ret = -EINVAL;
577 goto exit;
578 }
579
580 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
581 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
582 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff)
583 {
584 if (param->u.crypt.idx >= WEP_KEYS)
585 {
586 ret = -EINVAL;
587 goto exit;
588 }
589 }
590 else
591 {
592 psta = rtw_get_stainfo(pstapriv, param->sta_addr);
593 if (!psta)
594 {
595 /* ret = -EINVAL; */
596 DBG_8192C("rtw_set_encryption(), sta has already been removed or never been added\n");
597 goto exit;
598 }
599 }
600
601 if (strcmp(param->u.crypt.alg, "none") == 0 && (psta == NULL))
602 {
603 /* todo:clear default encryption keys */
604
605 DBG_8192C("clear default encryption keys, keyid =%d\n", param->u.crypt.idx);
606
607 goto exit;
608 }
609
610
611 if (strcmp(param->u.crypt.alg, "WEP") == 0 && (psta == NULL))
612 {
613 DBG_8192C("r871x_set_encryption, crypt.alg = WEP\n");
614
615 wep_key_idx = param->u.crypt.idx;
616 wep_key_len = param->u.crypt.key_len;
617
618 DBG_8192C("r871x_set_encryption, wep_key_idx =%d, len =%d\n", wep_key_idx, wep_key_len);
619
620 if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0))
621 {
622 ret = -EINVAL;
623 goto exit;
624 }
625
626 if (wep_key_len > 0)
627 {
628 wep_key_len = wep_key_len <= 5 ? 5 : 13;
629 }
630
631 if (psecuritypriv->bWepDefaultKeyIdxSet == 0)
632 {
633 /* wep default key has not been set, so use this key index as default key. */
634
635 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
636 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
637 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
638 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
639
640 if (wep_key_len == 13)
641 {
642 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
643 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
644 }
645
646 psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
647 }
648
649 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
650
651 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
652
653 rtw_ap_set_wep_key(padapter, param->u.crypt.key, wep_key_len, wep_key_idx, 1);
654
655 goto exit;
656
657 }
658
659
660 if (!psta && check_fwstate(pmlmepriv, WIFI_AP_STATE)) /* group key */
661 {
662 if (param->u.crypt.set_tx == 0) /* group key */
663 {
664 if (strcmp(param->u.crypt.alg, "WEP") == 0)
665 {
666 DBG_8192C("%s, set group_key, WEP\n", __func__);
667
668 memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
669
670 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
671 if (param->u.crypt.key_len == 13)
672 {
673 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
674 }
675
676 }
677 else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
678 {
679 DBG_8192C("%s, set group_key, TKIP\n", __func__);
680
681 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
682
683 memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
684
685 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
686 /* set mic key */
687 memcpy(psecuritypriv->dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
688 memcpy(psecuritypriv->dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
689
690 psecuritypriv->busetkipkey = true;
691
692 }
693 else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
694 {
695 DBG_8192C("%s, set group_key, CCMP\n", __func__);
696
697 psecuritypriv->dot118021XGrpPrivacy = _AES_;
698
699 memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
700 }
701 else
702 {
703 DBG_8192C("%s, set group_key, none\n", __func__);
704
705 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
706 }
707
708 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
709
710 psecuritypriv->binstallGrpkey = true;
711
712 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
713
714 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
715
716 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
717 if (pbcmc_sta)
718 {
719 pbcmc_sta->ieee8021x_blocked = false;
720 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
721 }
722
723 }
724
725 goto exit;
726
727 }
728
729 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X && psta) /* psk/802_1x */
730 {
731 if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
732 {
733 if (param->u.crypt.set_tx == 1) /* pairwise key */
734 {
735 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
736
737 if (strcmp(param->u.crypt.alg, "WEP") == 0)
738 {
739 DBG_8192C("%s, set pairwise key, WEP\n", __func__);
740
741 psta->dot118021XPrivacy = _WEP40_;
742 if (param->u.crypt.key_len == 13)
743 {
744 psta->dot118021XPrivacy = _WEP104_;
745 }
746 }
747 else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
748 {
749 DBG_8192C("%s, set pairwise key, TKIP\n", __func__);
750
751 psta->dot118021XPrivacy = _TKIP_;
752
753 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
754 /* set mic key */
755 memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
756 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
757
758 psecuritypriv->busetkipkey = true;
759
760 }
761 else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
762 {
763
764 DBG_8192C("%s, set pairwise key, CCMP\n", __func__);
765
766 psta->dot118021XPrivacy = _AES_;
767 }
768 else
769 {
770 DBG_8192C("%s, set pairwise key, none\n", __func__);
771
772 psta->dot118021XPrivacy = _NO_PRIVACY_;
773 }
774
775 rtw_ap_set_pairwise_key(padapter, psta);
776
777 psta->ieee8021x_blocked = false;
778
779 psta->bpairwise_key_installed = true;
780
781 }
782 else/* group key??? */
783 {
784 if (strcmp(param->u.crypt.alg, "WEP") == 0)
785 {
786 memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
787
788 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
789 if (param->u.crypt.key_len == 13)
790 {
791 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
792 }
793 }
794 else if (strcmp(param->u.crypt.alg, "TKIP") == 0)
795 {
796 psecuritypriv->dot118021XGrpPrivacy = _TKIP_;
797
798 memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
799
800 /* DEBUG_ERR("set key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len); */
801 /* set mic key */
802 memcpy(psecuritypriv->dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
803 memcpy(psecuritypriv->dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
804
805 psecuritypriv->busetkipkey = true;
806
807 }
808 else if (strcmp(param->u.crypt.alg, "CCMP") == 0)
809 {
810 psecuritypriv->dot118021XGrpPrivacy = _AES_;
811
812 memcpy(psecuritypriv->dot118021XGrpKey[param->u.crypt.idx].skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
813 }
814 else
815 {
816 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
817 }
818
819 psecuritypriv->dot118021XGrpKeyid = param->u.crypt.idx;
820
821 psecuritypriv->binstallGrpkey = true;
822
823 psecuritypriv->dot11PrivacyAlgrthm = psecuritypriv->dot118021XGrpPrivacy;/* */
824
825 rtw_ap_set_group_key(padapter, param->u.crypt.key, psecuritypriv->dot118021XGrpPrivacy, param->u.crypt.idx);
826
827 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
828 if (pbcmc_sta)
829 {
830 pbcmc_sta->ieee8021x_blocked = false;
831 pbcmc_sta->dot118021XPrivacy = psecuritypriv->dot118021XGrpPrivacy;/* rx will use bmc_sta's dot118021XPrivacy */
832 }
833
834 }
835
836 }
837
838 }
839
840 exit:
841
842 return ret;
843
844 }
845
rtw_cfg80211_set_encryption(struct net_device * dev,struct ieee_param * param,u32 param_len)846 static int rtw_cfg80211_set_encryption(struct net_device *dev, struct ieee_param *param, u32 param_len)
847 {
848 int ret = 0;
849 u32 wep_key_idx, wep_key_len;
850 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
851 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
852 struct security_priv *psecuritypriv = &padapter->securitypriv;
853
854 DBG_8192C("%s\n", __func__);
855
856 param->u.crypt.err = 0;
857 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
858
859 if (param_len < (u32) ((u8 *) param->u.crypt.key - (u8 *) param) + param->u.crypt.key_len)
860 {
861 ret = -EINVAL;
862 goto exit;
863 }
864
865 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
866 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
867 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff)
868 {
869 if (param->u.crypt.idx >= WEP_KEYS
870 || param->u.crypt.idx >= BIP_MAX_KEYID
871 )
872 {
873 ret = -EINVAL;
874 goto exit;
875 }
876 } else {
877 {
878 ret = -EINVAL;
879 goto exit;
880 }
881 }
882
883 if (strcmp(param->u.crypt.alg, "WEP") == 0)
884 {
885 RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, ("wpa_set_encryption, crypt.alg = WEP\n"));
886 DBG_8192C("wpa_set_encryption, crypt.alg = WEP\n");
887
888 wep_key_idx = param->u.crypt.idx;
889 wep_key_len = param->u.crypt.key_len;
890
891 if ((wep_key_idx >= WEP_KEYS) || (wep_key_len <= 0))
892 {
893 ret = -EINVAL;
894 goto exit;
895 }
896
897 if (psecuritypriv->bWepDefaultKeyIdxSet == 0)
898 {
899 /* wep default key has not been set, so use this key index as default key. */
900
901 wep_key_len = wep_key_len <= 5 ? 5 : 13;
902
903 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
904 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
905 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
906
907 if (wep_key_len == 13)
908 {
909 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
910 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
911 }
912
913 psecuritypriv->dot11PrivacyKeyIndex = wep_key_idx;
914 }
915
916 memcpy(&(psecuritypriv->dot11DefKey[wep_key_idx].skey[0]), param->u.crypt.key, wep_key_len);
917
918 psecuritypriv->dot11DefKeylen[wep_key_idx] = wep_key_len;
919
920 rtw_set_key(padapter, psecuritypriv, wep_key_idx, 0, true);
921
922 goto exit;
923 }
924
925 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) /* 802_1x */
926 {
927 struct sta_info * psta, *pbcmc_sta;
928 struct sta_priv * pstapriv = &padapter->stapriv;
929
930 /* DBG_8192C("%s, : dot11AuthAlgrthm == dot11AuthAlgrthm_8021X\n", __func__); */
931
932 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_MP_STATE) == true) /* sta mode */
933 {
934 psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
935 if (psta == NULL) {
936 /* DEBUG_ERR(("Set wpa_set_encryption: Obtain Sta_info fail\n")); */
937 DBG_8192C("%s, : Obtain Sta_info fail\n", __func__);
938 }
939 else
940 {
941 /* Jeff: don't disable ieee8021x_blocked while clearing key */
942 if (strcmp(param->u.crypt.alg, "none") != 0)
943 psta->ieee8021x_blocked = false;
944
945
946 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
947 (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled))
948 {
949 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
950 }
951
952 if (param->u.crypt.set_tx == 1)/* pairwise key */
953 {
954
955 DBG_8192C("%s, : param->u.crypt.set_tx == 1\n", __func__);
956
957 memcpy(psta->dot118021x_UncstKey.skey, param->u.crypt.key, (param->u.crypt.key_len > 16 ? 16 : param->u.crypt.key_len));
958
959 if (strcmp(param->u.crypt.alg, "TKIP") == 0)/* set mic key */
960 {
961 /* DEBUG_ERR(("\nset key length :param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
962 memcpy(psta->dot11tkiptxmickey.skey, &(param->u.crypt.key[16]), 8);
963 memcpy(psta->dot11tkiprxmickey.skey, &(param->u.crypt.key[24]), 8);
964
965 padapter->securitypriv.busetkipkey = false;
966 /* _set_timer(&padapter->securitypriv.tkip_timer, 50); */
967 }
968
969 /* DEBUG_ERR((" param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
970 DBG_871X(" ~~~~set sta key:unicastkey\n");
971
972 rtw_setstakey_cmd(padapter, psta, true, true);
973 }
974 else/* group key */
975 {
976 if (strcmp(param->u.crypt.alg, "TKIP") == 0 || strcmp(param->u.crypt.alg, "CCMP") == 0)
977 {
978 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));
979 memcpy(padapter->securitypriv.dot118021XGrptxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[16]), 8);
980 memcpy(padapter->securitypriv.dot118021XGrprxmickey[param->u.crypt.idx].skey, &(param->u.crypt.key[24]), 8);
981 padapter->securitypriv.binstallGrpkey = true;
982 /* DEBUG_ERR((" param->u.crypt.key_len =%d\n", param->u.crypt.key_len)); */
983 DBG_871X(" ~~~~set sta key:groupkey\n");
984
985 padapter->securitypriv.dot118021XGrpKeyid = param->u.crypt.idx;
986 rtw_set_key(padapter, &padapter->securitypriv, param->u.crypt.idx, 1, true);
987 }
988 else if (strcmp(param->u.crypt.alg, "BIP") == 0)
989 {
990 /* DBG_871X("BIP key_len =%d , index =%d @@@@@@@@@@@@@@@@@@\n", param->u.crypt.key_len, param->u.crypt.idx); */
991 /* save the IGTK key, length 16 bytes */
992 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));
993 /*DBG_871X("IGTK key below:\n");
994 for (no = 0;no<16;no++)
995 printk(" %02x ", padapter->securitypriv.dot11wBIPKey[param->u.crypt.idx].skey[no]);
996 DBG_871X("\n");*/
997 padapter->securitypriv.dot11wBIPKeyid = param->u.crypt.idx;
998 padapter->securitypriv.binstallBIPkey = true;
999 DBG_871X(" ~~~~set sta key:IGKT\n");
1000 }
1001 }
1002 }
1003
1004 pbcmc_sta = rtw_get_bcmc_stainfo(padapter);
1005 if (pbcmc_sta == NULL)
1006 {
1007 /* DEBUG_ERR(("Set OID_802_11_ADD_KEY: bcmc stainfo is null\n")); */
1008 }
1009 else
1010 {
1011 /* Jeff: don't disable ieee8021x_blocked while clearing key */
1012 if (strcmp(param->u.crypt.alg, "none") != 0)
1013 pbcmc_sta->ieee8021x_blocked = false;
1014
1015 if ((padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption2Enabled) ||
1016 (padapter->securitypriv.ndisencryptstatus == Ndis802_11Encryption3Enabled))
1017 {
1018 pbcmc_sta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1019 }
1020 }
1021 }
1022 else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) /* adhoc mode */
1023 {
1024 }
1025 }
1026
1027 exit:
1028
1029 DBG_8192C("%s, ret =%d\n", __func__, ret);
1030
1031 return ret;
1032 }
1033
cfg80211_rtw_add_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)1034 static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev,
1035 u8 key_index, bool pairwise, const u8 *mac_addr,
1036 struct key_params *params)
1037 {
1038 char *alg_name;
1039 u32 param_len;
1040 struct ieee_param *param = NULL;
1041 int ret = 0;
1042 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
1043 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1044
1045 DBG_871X(FUNC_NDEV_FMT" adding key for %pM\n", FUNC_NDEV_ARG(ndev), mac_addr);
1046 DBG_871X("cipher = 0x%x\n", params->cipher);
1047 DBG_871X("key_len = 0x%x\n", params->key_len);
1048 DBG_871X("seq_len = 0x%x\n", params->seq_len);
1049 DBG_871X("key_index =%d\n", key_index);
1050 DBG_871X("pairwise =%d\n", pairwise);
1051
1052 param_len = sizeof(struct ieee_param) + params->key_len;
1053 param = rtw_malloc(param_len);
1054 if (param == NULL)
1055 return -1;
1056
1057 memset(param, 0, param_len);
1058
1059 param->cmd = IEEE_CMD_SET_ENCRYPTION;
1060 memset(param->sta_addr, 0xff, ETH_ALEN);
1061
1062 switch (params->cipher) {
1063 case IW_AUTH_CIPHER_NONE:
1064 /* todo: remove key */
1065 /* remove = 1; */
1066 alg_name = "none";
1067 break;
1068 case WLAN_CIPHER_SUITE_WEP40:
1069 case WLAN_CIPHER_SUITE_WEP104:
1070 alg_name = "WEP";
1071 break;
1072 case WLAN_CIPHER_SUITE_TKIP:
1073 alg_name = "TKIP";
1074 break;
1075 case WLAN_CIPHER_SUITE_CCMP:
1076 alg_name = "CCMP";
1077 break;
1078 case WLAN_CIPHER_SUITE_AES_CMAC:
1079 alg_name = "BIP";
1080 break;
1081 default:
1082 ret = -ENOTSUPP;
1083 goto addkey_end;
1084 }
1085
1086 strncpy((char *)param->u.crypt.alg, alg_name, IEEE_CRYPT_ALG_NAME_LEN);
1087
1088
1089 if (!mac_addr || is_broadcast_ether_addr(mac_addr))
1090 {
1091 param->u.crypt.set_tx = 0; /* for wpa/wpa2 group key */
1092 } else {
1093 param->u.crypt.set_tx = 1; /* for wpa/wpa2 pairwise key */
1094 }
1095
1096 param->u.crypt.idx = key_index;
1097
1098 if (params->seq_len && params->seq)
1099 {
1100 memcpy(param->u.crypt.seq, (u8 *)params->seq, params->seq_len);
1101 }
1102
1103 if (params->key_len && params->key)
1104 {
1105 param->u.crypt.key_len = params->key_len;
1106 memcpy(param->u.crypt.key, (u8 *)params->key, params->key_len);
1107 }
1108
1109 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)
1110 {
1111 ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
1112 }
1113 else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
1114 {
1115 if (mac_addr)
1116 memcpy(param->sta_addr, (void *)mac_addr, ETH_ALEN);
1117
1118 ret = rtw_cfg80211_ap_set_encryption(ndev, param, param_len);
1119 }
1120 else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true
1121 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true)
1122 {
1123 /* DBG_8192C("@@@@@@@@@@ fw_state = 0x%x, iftype =%d\n", pmlmepriv->fw_state, rtw_wdev->iftype); */
1124 ret = rtw_cfg80211_set_encryption(ndev, param, param_len);
1125 }
1126 else
1127 {
1128 DBG_8192C("error!\n");
1129
1130 }
1131
1132 addkey_end:
1133 kfree(param);
1134
1135 return ret;
1136
1137 }
1138
cfg80211_rtw_get_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr,void * cookie,void (* callback)(void * cookie,struct key_params *))1139 static int cfg80211_rtw_get_key(struct wiphy *wiphy, struct net_device *ndev,
1140 u8 key_index, bool pairwise, const u8 *mac_addr,
1141 void *cookie,
1142 void (*callback)(void *cookie,
1143 struct key_params*))
1144 {
1145 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
1146 return 0;
1147 }
1148
cfg80211_rtw_del_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool pairwise,const u8 * mac_addr)1149 static int cfg80211_rtw_del_key(struct wiphy *wiphy, struct net_device *ndev,
1150 u8 key_index, bool pairwise, const u8 *mac_addr)
1151 {
1152 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
1153 struct security_priv *psecuritypriv = &padapter->securitypriv;
1154
1155 DBG_871X(FUNC_NDEV_FMT" key_index =%d\n", FUNC_NDEV_ARG(ndev), key_index);
1156
1157 if (key_index == psecuritypriv->dot11PrivacyKeyIndex)
1158 {
1159 /* clear the flag of wep default key set. */
1160 psecuritypriv->bWepDefaultKeyIdxSet = 0;
1161 }
1162
1163 return 0;
1164 }
1165
cfg80211_rtw_set_default_key(struct wiphy * wiphy,struct net_device * ndev,u8 key_index,bool unicast,bool multicast)1166 static int cfg80211_rtw_set_default_key(struct wiphy *wiphy,
1167 struct net_device *ndev, u8 key_index
1168 , bool unicast, bool multicast
1169 )
1170 {
1171 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
1172 struct security_priv *psecuritypriv = &padapter->securitypriv;
1173
1174 DBG_871X(FUNC_NDEV_FMT" key_index =%d, unicast =%d, multicast =%d\n",
1175 FUNC_NDEV_ARG(ndev), key_index, unicast, multicast);
1176
1177 if ((key_index < WEP_KEYS) && ((psecuritypriv->dot11PrivacyAlgrthm == _WEP40_) || (psecuritypriv->dot11PrivacyAlgrthm == _WEP104_))) /* set wep default key */
1178 {
1179 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
1180
1181 psecuritypriv->dot11PrivacyKeyIndex = key_index;
1182
1183 psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
1184 psecuritypriv->dot118021XGrpPrivacy = _WEP40_;
1185 if (psecuritypriv->dot11DefKeylen[key_index] == 13)
1186 {
1187 psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
1188 psecuritypriv->dot118021XGrpPrivacy = _WEP104_;
1189 }
1190
1191 psecuritypriv->bWepDefaultKeyIdxSet = 1; /* set the flag to represent that wep default key has been set */
1192 }
1193
1194 return 0;
1195
1196 }
1197
cfg80211_rtw_get_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_info * sinfo)1198 static int cfg80211_rtw_get_station(struct wiphy *wiphy,
1199 struct net_device *ndev,
1200 const u8 *mac,
1201 struct station_info *sinfo)
1202 {
1203 int ret = 0;
1204 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
1205 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1206 struct sta_info *psta = NULL;
1207 struct sta_priv *pstapriv = &padapter->stapriv;
1208
1209 sinfo->filled = 0;
1210
1211 if (!mac) {
1212 DBG_871X(FUNC_NDEV_FMT" mac ==%p\n", FUNC_NDEV_ARG(ndev), mac);
1213 ret = -ENOENT;
1214 goto exit;
1215 }
1216
1217 psta = rtw_get_stainfo(pstapriv, (u8 *)mac);
1218 if (psta == NULL) {
1219 DBG_8192C("%s, sta_info is null\n", __func__);
1220 ret = -ENOENT;
1221 goto exit;
1222 }
1223
1224 #ifdef DEBUG_CFG80211
1225 DBG_871X(FUNC_NDEV_FMT" mac ="MAC_FMT"\n", FUNC_NDEV_ARG(ndev), MAC_ARG(mac));
1226 #endif
1227
1228 /* for infra./P2PClient mode */
1229 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
1230 && check_fwstate(pmlmepriv, _FW_LINKED)
1231 )
1232 {
1233 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1234
1235 if (memcmp((u8 *)mac, cur_network->network.MacAddress, ETH_ALEN)) {
1236 DBG_871X("%s, mismatch bssid ="MAC_FMT"\n", __func__, MAC_ARG(cur_network->network.MacAddress));
1237 ret = -ENOENT;
1238 goto exit;
1239 }
1240
1241 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1242 sinfo->signal = translate_percentage_to_dbm(padapter->recvpriv.signal_strength);
1243
1244 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
1245 sinfo->txrate.legacy = rtw_get_cur_max_rate(padapter);
1246
1247 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
1248 sinfo->rx_packets = sta_rx_data_pkts(psta);
1249
1250 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
1251 sinfo->tx_packets = psta->sta_stats.tx_pkts;
1252 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1253 }
1254
1255 /* for Ad-Hoc/AP mode */
1256 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)
1257 || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)
1258 || check_fwstate(pmlmepriv, WIFI_AP_STATE))
1259 && check_fwstate(pmlmepriv, _FW_LINKED)
1260 )
1261 {
1262 /* TODO: should acquire station info... */
1263 }
1264
1265 exit:
1266 return ret;
1267 }
1268
1269 extern int netdev_open(struct net_device *pnetdev);
1270
cfg80211_rtw_change_iface(struct wiphy * wiphy,struct net_device * ndev,enum nl80211_iftype type,struct vif_params * params)1271 static int cfg80211_rtw_change_iface(struct wiphy *wiphy,
1272 struct net_device *ndev,
1273 enum nl80211_iftype type,
1274 struct vif_params *params)
1275 {
1276 enum nl80211_iftype old_type;
1277 enum NDIS_802_11_NETWORK_INFRASTRUCTURE networkType;
1278 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
1279 struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1280 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1281 int ret = 0;
1282
1283 DBG_871X(FUNC_NDEV_FMT" type =%d\n", FUNC_NDEV_ARG(ndev), type);
1284
1285 if (adapter_to_dvobj(padapter)->processing_dev_remove == true)
1286 {
1287 ret = -EPERM;
1288 goto exit;
1289 }
1290
1291 {
1292 DBG_871X(FUNC_NDEV_FMT" call netdev_open\n", FUNC_NDEV_ARG(ndev));
1293 if (netdev_open(ndev) != 0) {
1294 DBG_871X(FUNC_NDEV_FMT" call netdev_open fail\n", FUNC_NDEV_ARG(ndev));
1295 ret = -EPERM;
1296 goto exit;
1297 }
1298 }
1299
1300 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1301 DBG_871X(FUNC_NDEV_FMT" call rtw_pwr_wakeup fail\n", FUNC_NDEV_ARG(ndev));
1302 ret = -EPERM;
1303 goto exit;
1304 }
1305
1306 old_type = rtw_wdev->iftype;
1307 DBG_871X(FUNC_NDEV_FMT" old_iftype =%d, new_iftype =%d\n",
1308 FUNC_NDEV_ARG(ndev), old_type, type);
1309
1310 if (old_type != type)
1311 {
1312 pmlmeext->action_public_rxseq = 0xffff;
1313 pmlmeext->action_public_dialog_token = 0xff;
1314 }
1315
1316 switch (type) {
1317 case NL80211_IFTYPE_ADHOC:
1318 networkType = Ndis802_11IBSS;
1319 break;
1320 case NL80211_IFTYPE_STATION:
1321 networkType = Ndis802_11Infrastructure;
1322 break;
1323 case NL80211_IFTYPE_AP:
1324 networkType = Ndis802_11APMode;
1325 break;
1326 default:
1327 ret = -EOPNOTSUPP;
1328 goto exit;
1329 }
1330
1331 rtw_wdev->iftype = type;
1332
1333 if (rtw_set_802_11_infrastructure_mode(padapter, networkType) == false)
1334 {
1335 rtw_wdev->iftype = old_type;
1336 ret = -EPERM;
1337 goto exit;
1338 }
1339
1340 rtw_setopmode_cmd(padapter, networkType, true);
1341
1342 exit:
1343
1344 DBG_871X(FUNC_NDEV_FMT" ret:%d\n", FUNC_NDEV_ARG(ndev), ret);
1345 return ret;
1346 }
1347
rtw_cfg80211_indicate_scan_done(struct adapter * adapter,bool aborted)1348 void rtw_cfg80211_indicate_scan_done(struct adapter *adapter, bool aborted)
1349 {
1350 struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(adapter);
1351 struct cfg80211_scan_info info = {
1352 .aborted = aborted
1353 };
1354
1355 spin_lock_bh(&pwdev_priv->scan_req_lock);
1356 if (pwdev_priv->scan_request != NULL) {
1357 #ifdef DEBUG_CFG80211
1358 DBG_871X("%s with scan req\n", __func__);
1359 #endif
1360
1361 /* avoid WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req); */
1362 if (pwdev_priv->scan_request->wiphy != pwdev_priv->rtw_wdev->wiphy)
1363 {
1364 DBG_8192C("error wiphy compare\n");
1365 }
1366 else
1367 {
1368 cfg80211_scan_done(pwdev_priv->scan_request, &info);
1369 }
1370
1371 pwdev_priv->scan_request = NULL;
1372 } else {
1373 #ifdef DEBUG_CFG80211
1374 DBG_871X("%s without scan req\n", __func__);
1375 #endif
1376 }
1377 spin_unlock_bh(&pwdev_priv->scan_req_lock);
1378 }
1379
rtw_cfg80211_unlink_bss(struct adapter * padapter,struct wlan_network * pnetwork)1380 void rtw_cfg80211_unlink_bss(struct adapter *padapter, struct wlan_network *pnetwork)
1381 {
1382 struct wireless_dev *pwdev = padapter->rtw_wdev;
1383 struct wiphy *wiphy = pwdev->wiphy;
1384 struct cfg80211_bss *bss = NULL;
1385 struct wlan_bssid_ex *select_network = &pnetwork->network;
1386
1387 bss = cfg80211_get_bss(wiphy, NULL/*notify_channel*/,
1388 select_network->MacAddress, select_network->Ssid.Ssid,
1389 select_network->Ssid.SsidLength, 0/*WLAN_CAPABILITY_ESS*/,
1390 0/*WLAN_CAPABILITY_ESS*/);
1391
1392 if (bss) {
1393 cfg80211_unlink_bss(wiphy, bss);
1394 DBG_8192C("%s(): cfg80211_unlink %s!! () ", __func__,
1395 select_network->Ssid.Ssid);
1396 cfg80211_put_bss(padapter->rtw_wdev->wiphy, bss);
1397 }
1398 }
1399
rtw_cfg80211_surveydone_event_callback(struct adapter * padapter)1400 void rtw_cfg80211_surveydone_event_callback(struct adapter *padapter)
1401 {
1402 struct list_head *plist, *phead;
1403 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1404 struct __queue *queue = &(pmlmepriv->scanned_queue);
1405 struct wlan_network *pnetwork = NULL;
1406
1407 #ifdef DEBUG_CFG80211
1408 DBG_8192C("%s\n", __func__);
1409 #endif
1410
1411 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1412
1413 phead = get_list_head(queue);
1414 plist = get_next(phead);
1415
1416 while (1)
1417 {
1418 if (phead == plist)
1419 break;
1420
1421 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
1422
1423 /* report network only if the current channel set contains the channel to which this network belongs */
1424 if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.Configuration.DSConfig) >= 0
1425 && rtw_mlme_band_check(padapter, pnetwork->network.Configuration.DSConfig) == true
1426 && true == rtw_validate_ssid(&(pnetwork->network.Ssid))
1427 )
1428 {
1429 /* ev =translate_scan(padapter, a, pnetwork, ev, stop); */
1430 rtw_cfg80211_inform_bss(padapter, pnetwork);
1431 }
1432
1433 plist = get_next(plist);
1434
1435 }
1436
1437 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1438 }
1439
rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter * padapter,char * buf,int len)1440 static int rtw_cfg80211_set_probe_req_wpsp2pie(struct adapter *padapter, char *buf, int len)
1441 {
1442 int ret = 0;
1443 uint wps_ielen = 0;
1444 u8 *wps_ie;
1445 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1446
1447 #ifdef DEBUG_CFG80211
1448 DBG_8192C("%s, ielen =%d\n", __func__, len);
1449 #endif
1450
1451 if (len > 0)
1452 {
1453 if ((wps_ie = rtw_get_wps_ie(buf, len, NULL, &wps_ielen)))
1454 {
1455 #ifdef DEBUG_CFG80211
1456 DBG_8192C("probe_req_wps_ielen =%d\n", wps_ielen);
1457 #endif
1458
1459 if (pmlmepriv->wps_probe_req_ie)
1460 {
1461 pmlmepriv->wps_probe_req_ie_len = 0;
1462 kfree(pmlmepriv->wps_probe_req_ie);
1463 pmlmepriv->wps_probe_req_ie = NULL;
1464 }
1465
1466 pmlmepriv->wps_probe_req_ie = rtw_malloc(wps_ielen);
1467 if (pmlmepriv->wps_probe_req_ie == NULL) {
1468 DBG_8192C("%s()-%d: rtw_malloc() ERROR!\n", __func__, __LINE__);
1469 return -EINVAL;
1470
1471 }
1472 memcpy(pmlmepriv->wps_probe_req_ie, wps_ie, wps_ielen);
1473 pmlmepriv->wps_probe_req_ie_len = wps_ielen;
1474 }
1475 }
1476
1477 return ret;
1478
1479 }
1480
cfg80211_rtw_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)1481 static int cfg80211_rtw_scan(struct wiphy *wiphy
1482 , struct cfg80211_scan_request *request)
1483 {
1484 struct net_device *ndev = wdev_to_ndev(request->wdev);
1485 int i;
1486 u8 _status = false;
1487 int ret = 0;
1488 struct ndis_802_11_ssid *ssid = NULL;
1489 struct rtw_ieee80211_channel ch[RTW_CHANNEL_SCAN_AMOUNT];
1490 u8 survey_times = 3;
1491 u8 survey_times_for_one_ch = 6;
1492 struct cfg80211_ssid *ssids = request->ssids;
1493 int j = 0;
1494 bool need_indicate_scan_done = false;
1495
1496 struct adapter *padapter;
1497 struct rtw_wdev_priv *pwdev_priv;
1498 struct mlme_priv *pmlmepriv;
1499
1500 if (ndev == NULL) {
1501 ret = -EINVAL;
1502 goto exit;
1503 }
1504
1505 padapter = (struct adapter *)rtw_netdev_priv(ndev);
1506 pwdev_priv = adapter_wdev_data(padapter);
1507 pmlmepriv = &padapter->mlmepriv;
1508
1509 /* ifdef DEBUG_CFG80211 */
1510 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1511 /* endif */
1512
1513 spin_lock_bh(&pwdev_priv->scan_req_lock);
1514 pwdev_priv->scan_request = request;
1515 spin_unlock_bh(&pwdev_priv->scan_req_lock);
1516
1517 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true)
1518 {
1519 #ifdef DEBUG_CFG80211
1520 DBG_871X("%s under WIFI_AP_STATE\n", __func__);
1521 #endif
1522
1523 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS|_FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true)
1524 {
1525 DBG_8192C("%s, fwstate = 0x%x\n", __func__, pmlmepriv->fw_state);
1526
1527 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS))
1528 {
1529 DBG_8192C("AP mode process WPS\n");
1530 }
1531
1532 need_indicate_scan_done = true;
1533 goto check_need_indicate_scan_done;
1534 }
1535 }
1536
1537 rtw_ps_deny(padapter, PS_DENY_SCAN);
1538 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1539 need_indicate_scan_done = true;
1540 goto check_need_indicate_scan_done;
1541 }
1542
1543 if (request->ie && request->ie_len > 0)
1544 {
1545 rtw_cfg80211_set_probe_req_wpsp2pie(padapter, (u8 *)request->ie, request->ie_len);
1546 }
1547
1548 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
1549 DBG_8192C("%s, fwstate = 0x%x\n", __func__, pmlmepriv->fw_state);
1550 need_indicate_scan_done = true;
1551 goto check_need_indicate_scan_done;
1552 } else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
1553 DBG_8192C("%s, fwstate = 0x%x\n", __func__, pmlmepriv->fw_state);
1554 ret = -EBUSY;
1555 goto check_need_indicate_scan_done;
1556 }
1557
1558 if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true)
1559 {
1560 static unsigned long lastscantime = 0;
1561 unsigned long passtime;
1562
1563 passtime = jiffies_to_msecs(jiffies - lastscantime);
1564 lastscantime = jiffies;
1565 if (passtime > 12000)
1566 {
1567 DBG_871X("%s: bBusyTraffic == true\n", __func__);
1568 need_indicate_scan_done = true;
1569 goto check_need_indicate_scan_done;
1570 }
1571 }
1572
1573 if (rtw_is_scan_deny(padapter)) {
1574 DBG_871X(FUNC_ADPT_FMT ": scan deny\n", FUNC_ADPT_ARG(padapter));
1575 need_indicate_scan_done = true;
1576 goto check_need_indicate_scan_done;
1577 }
1578
1579 ssid = kzalloc(RTW_SSID_SCAN_AMOUNT * sizeof(struct ndis_802_11_ssid),
1580 GFP_KERNEL);
1581 if (!ssid) {
1582 ret = -ENOMEM;
1583 goto check_need_indicate_scan_done;
1584 }
1585
1586 /* parsing request ssids, n_ssids */
1587 for (i = 0; i < request->n_ssids && i < RTW_SSID_SCAN_AMOUNT; i++) {
1588 #ifdef DEBUG_CFG80211
1589 DBG_8192C("ssid =%s, len =%d\n", ssids[i].ssid, ssids[i].ssid_len);
1590 #endif
1591 memcpy(ssid[i].Ssid, ssids[i].ssid, ssids[i].ssid_len);
1592 ssid[i].SsidLength = ssids[i].ssid_len;
1593 }
1594
1595 /* parsing channels, n_channels */
1596 memset(ch, 0, sizeof(struct rtw_ieee80211_channel)*RTW_CHANNEL_SCAN_AMOUNT);
1597 for (i = 0; i < request->n_channels && i < RTW_CHANNEL_SCAN_AMOUNT; i++) {
1598 #ifdef DEBUG_CFG80211
1599 DBG_871X(FUNC_ADPT_FMT CHAN_FMT"\n", FUNC_ADPT_ARG(padapter), CHAN_ARG(request->channels[i]));
1600 #endif
1601 ch[i].hw_value = request->channels[i]->hw_value;
1602 ch[i].flags = request->channels[i]->flags;
1603 }
1604
1605 spin_lock_bh(&pmlmepriv->lock);
1606 if (request->n_channels == 1) {
1607 for (i = 1; i < survey_times_for_one_ch; i++)
1608 memcpy(&ch[i], &ch[0], sizeof(struct rtw_ieee80211_channel));
1609 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times_for_one_ch);
1610 } else if (request->n_channels <= 4) {
1611 for (j = request->n_channels - 1; j >= 0; j--)
1612 for (i = 0; i < survey_times; i++)
1613 {
1614 memcpy(&ch[j*survey_times+i], &ch[j], sizeof(struct rtw_ieee80211_channel));
1615 }
1616 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, ch, survey_times * request->n_channels);
1617 } else {
1618 _status = rtw_sitesurvey_cmd(padapter, ssid, RTW_SSID_SCAN_AMOUNT, NULL, 0);
1619 }
1620 spin_unlock_bh(&pmlmepriv->lock);
1621
1622
1623 if (_status == false)
1624 {
1625 ret = -1;
1626 }
1627
1628 check_need_indicate_scan_done:
1629 kfree(ssid);
1630 if (need_indicate_scan_done)
1631 {
1632 rtw_cfg80211_surveydone_event_callback(padapter);
1633 rtw_cfg80211_indicate_scan_done(padapter, false);
1634 }
1635
1636 rtw_ps_deny_cancel(padapter, PS_DENY_SCAN);
1637
1638 exit:
1639 return ret;
1640
1641 }
1642
cfg80211_rtw_set_wiphy_params(struct wiphy * wiphy,u32 changed)1643 static int cfg80211_rtw_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1644 {
1645 DBG_8192C("%s\n", __func__);
1646 return 0;
1647 }
1648
1649
1650
rtw_cfg80211_set_wpa_version(struct security_priv * psecuritypriv,u32 wpa_version)1651 static int rtw_cfg80211_set_wpa_version(struct security_priv *psecuritypriv, u32 wpa_version)
1652 {
1653 DBG_8192C("%s, wpa_version =%d\n", __func__, wpa_version);
1654
1655 if (!wpa_version) {
1656 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1657 return 0;
1658 }
1659
1660
1661 if (wpa_version & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2))
1662 {
1663 psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPAPSK;
1664 }
1665
1666 return 0;
1667
1668 }
1669
rtw_cfg80211_set_auth_type(struct security_priv * psecuritypriv,enum nl80211_auth_type sme_auth_type)1670 static int rtw_cfg80211_set_auth_type(struct security_priv *psecuritypriv,
1671 enum nl80211_auth_type sme_auth_type)
1672 {
1673 DBG_8192C("%s, nl80211_auth_type =%d\n", __func__, sme_auth_type);
1674
1675
1676 switch (sme_auth_type) {
1677 case NL80211_AUTHTYPE_AUTOMATIC:
1678
1679 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Auto;
1680
1681 break;
1682 case NL80211_AUTHTYPE_OPEN_SYSTEM:
1683
1684 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1685
1686 if (psecuritypriv->ndisauthtype > Ndis802_11AuthModeWPA)
1687 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1688
1689 break;
1690 case NL80211_AUTHTYPE_SHARED_KEY:
1691
1692 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Shared;
1693
1694 psecuritypriv->ndisencryptstatus = Ndis802_11Encryption1Enabled;
1695
1696
1697 break;
1698 default:
1699 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open;
1700 /* return -ENOTSUPP; */
1701 }
1702
1703 return 0;
1704
1705 }
1706
rtw_cfg80211_set_cipher(struct security_priv * psecuritypriv,u32 cipher,bool ucast)1707 static int rtw_cfg80211_set_cipher(struct security_priv *psecuritypriv, u32 cipher, bool ucast)
1708 {
1709 u32 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1710
1711 u32 *profile_cipher = ucast ? &psecuritypriv->dot11PrivacyAlgrthm :
1712 &psecuritypriv->dot118021XGrpPrivacy;
1713
1714 DBG_8192C("%s, ucast =%d, cipher = 0x%x\n", __func__, ucast, cipher);
1715
1716
1717 if (!cipher) {
1718 *profile_cipher = _NO_PRIVACY_;
1719 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1720 return 0;
1721 }
1722
1723 switch (cipher) {
1724 case IW_AUTH_CIPHER_NONE:
1725 *profile_cipher = _NO_PRIVACY_;
1726 ndisencryptstatus = Ndis802_11EncryptionDisabled;
1727 break;
1728 case WLAN_CIPHER_SUITE_WEP40:
1729 *profile_cipher = _WEP40_;
1730 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1731 break;
1732 case WLAN_CIPHER_SUITE_WEP104:
1733 *profile_cipher = _WEP104_;
1734 ndisencryptstatus = Ndis802_11Encryption1Enabled;
1735 break;
1736 case WLAN_CIPHER_SUITE_TKIP:
1737 *profile_cipher = _TKIP_;
1738 ndisencryptstatus = Ndis802_11Encryption2Enabled;
1739 break;
1740 case WLAN_CIPHER_SUITE_CCMP:
1741 *profile_cipher = _AES_;
1742 ndisencryptstatus = Ndis802_11Encryption3Enabled;
1743 break;
1744 default:
1745 DBG_8192C("Unsupported cipher: 0x%x\n", cipher);
1746 return -ENOTSUPP;
1747 }
1748
1749 if (ucast)
1750 {
1751 psecuritypriv->ndisencryptstatus = ndisencryptstatus;
1752
1753 /* if (psecuritypriv->dot11PrivacyAlgrthm >= _AES_) */
1754 /* psecuritypriv->ndisauthtype = Ndis802_11AuthModeWPA2PSK; */
1755 }
1756
1757 return 0;
1758 }
1759
rtw_cfg80211_set_key_mgt(struct security_priv * psecuritypriv,u32 key_mgt)1760 static int rtw_cfg80211_set_key_mgt(struct security_priv *psecuritypriv, u32 key_mgt)
1761 {
1762 DBG_8192C("%s, key_mgt = 0x%x\n", __func__, key_mgt);
1763
1764 if (key_mgt == WLAN_AKM_SUITE_8021X)
1765 /* auth_type = UMAC_AUTH_TYPE_8021X; */
1766 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1767 else if (key_mgt == WLAN_AKM_SUITE_PSK) {
1768 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1769 }
1770 else {
1771 DBG_8192C("Invalid key mgt: 0x%x\n", key_mgt);
1772 /* return -EINVAL; */
1773 }
1774
1775 return 0;
1776 }
1777
rtw_cfg80211_set_wpa_ie(struct adapter * padapter,u8 * pie,size_t ielen)1778 static int rtw_cfg80211_set_wpa_ie(struct adapter *padapter, u8 *pie, size_t ielen)
1779 {
1780 u8 *buf = NULL;
1781 int group_cipher = 0, pairwise_cipher = 0;
1782 int ret = 0;
1783 int wpa_ielen = 0;
1784 int wpa2_ielen = 0;
1785 u8 *pwpa, *pwpa2;
1786 u8 null_addr[] = {0, 0, 0, 0, 0, 0};
1787
1788 if (pie == NULL || !ielen) {
1789 /* Treat this as normal case, but need to clear WIFI_UNDER_WPS */
1790 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1791 goto exit;
1792 }
1793
1794 if (ielen > MAX_WPA_IE_LEN+MAX_WPS_IE_LEN+MAX_P2P_IE_LEN) {
1795 ret = -EINVAL;
1796 goto exit;
1797 }
1798
1799 buf = rtw_zmalloc(ielen);
1800 if (buf == NULL) {
1801 ret = -ENOMEM;
1802 goto exit;
1803 }
1804
1805 memcpy(buf, pie, ielen);
1806
1807 /* dump */
1808 {
1809 int i;
1810 DBG_8192C("set wpa_ie(length:%zu):\n", ielen);
1811 for (i = 0; i < ielen; i = i + 8)
1812 DBG_8192C("0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x\n", buf[i], buf[i+1], buf[i+2], buf[i+3], buf[i+4], buf[i+5], buf[i+6], buf[i+7]);
1813 }
1814
1815 if (ielen < RSN_HEADER_LEN) {
1816 RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, ("Ie len too short %d\n", ielen));
1817 ret = -1;
1818 goto exit;
1819 }
1820
1821 pwpa = rtw_get_wpa_ie(buf, &wpa_ielen, ielen);
1822 if (pwpa && wpa_ielen > 0)
1823 {
1824 if (rtw_parse_wpa_ie(pwpa, wpa_ielen+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS)
1825 {
1826 padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1827 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPAPSK;
1828 memcpy(padapter->securitypriv.supplicant_ie, &pwpa[0], wpa_ielen+2);
1829
1830 DBG_8192C("got wpa_ie, wpa_ielen:%u\n", wpa_ielen);
1831 }
1832 }
1833
1834 pwpa2 = rtw_get_wpa2_ie(buf, &wpa2_ielen, ielen);
1835 if (pwpa2 && wpa2_ielen > 0)
1836 {
1837 if (rtw_parse_wpa2_ie(pwpa2, wpa2_ielen+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS)
1838 {
1839 padapter->securitypriv.dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1840 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeWPA2PSK;
1841 memcpy(padapter->securitypriv.supplicant_ie, &pwpa2[0], wpa2_ielen+2);
1842
1843 DBG_8192C("got wpa2_ie, wpa2_ielen:%u\n", wpa2_ielen);
1844 }
1845 }
1846
1847 if (group_cipher == 0)
1848 {
1849 group_cipher = WPA_CIPHER_NONE;
1850 }
1851 if (pairwise_cipher == 0)
1852 {
1853 pairwise_cipher = WPA_CIPHER_NONE;
1854 }
1855
1856 switch (group_cipher)
1857 {
1858 case WPA_CIPHER_NONE:
1859 padapter->securitypriv.dot118021XGrpPrivacy = _NO_PRIVACY_;
1860 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1861 break;
1862 case WPA_CIPHER_WEP40:
1863 padapter->securitypriv.dot118021XGrpPrivacy = _WEP40_;
1864 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1865 break;
1866 case WPA_CIPHER_TKIP:
1867 padapter->securitypriv.dot118021XGrpPrivacy = _TKIP_;
1868 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1869 break;
1870 case WPA_CIPHER_CCMP:
1871 padapter->securitypriv.dot118021XGrpPrivacy = _AES_;
1872 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1873 break;
1874 case WPA_CIPHER_WEP104:
1875 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
1876 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1877 break;
1878 }
1879
1880 switch (pairwise_cipher)
1881 {
1882 case WPA_CIPHER_NONE:
1883 padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_;
1884 padapter->securitypriv.ndisencryptstatus = Ndis802_11EncryptionDisabled;
1885 break;
1886 case WPA_CIPHER_WEP40:
1887 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_;
1888 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1889 break;
1890 case WPA_CIPHER_TKIP:
1891 padapter->securitypriv.dot11PrivacyAlgrthm = _TKIP_;
1892 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption2Enabled;
1893 break;
1894 case WPA_CIPHER_CCMP:
1895 padapter->securitypriv.dot11PrivacyAlgrthm = _AES_;
1896 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption3Enabled;
1897 break;
1898 case WPA_CIPHER_WEP104:
1899 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
1900 padapter->securitypriv.ndisencryptstatus = Ndis802_11Encryption1Enabled;
1901 break;
1902 }
1903
1904 {/* handle wps_ie */
1905 uint wps_ielen;
1906 u8 *wps_ie;
1907
1908 wps_ie = rtw_get_wps_ie(buf, ielen, NULL, &wps_ielen);
1909 if (wps_ie && wps_ielen > 0) {
1910 DBG_8192C("got wps_ie, wps_ielen:%u\n", wps_ielen);
1911 padapter->securitypriv.wps_ie_len = wps_ielen < MAX_WPS_IE_LEN ? wps_ielen : MAX_WPS_IE_LEN;
1912 memcpy(padapter->securitypriv.wps_ie, wps_ie, padapter->securitypriv.wps_ie_len);
1913 set_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS);
1914 } else {
1915 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1916 }
1917 }
1918
1919 /* TKIP and AES disallow multicast packets until installing group key */
1920 if (padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_
1921 || padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_WTMIC_
1922 || padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
1923 /* WPS open need to enable multicast */
1924 /* check_fwstate(&padapter->mlmepriv, WIFI_UNDER_WPS) == true) */
1925 rtw_hal_set_hwreg(padapter, HW_VAR_OFF_RCR_AM, null_addr);
1926
1927 RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_info_,
1928 ("rtw_set_wpa_ie: pairwise_cipher = 0x%08x padapter->securitypriv.ndisencryptstatus =%d padapter->securitypriv.ndisauthtype =%d\n",
1929 pairwise_cipher, padapter->securitypriv.ndisencryptstatus, padapter->securitypriv.ndisauthtype));
1930
1931 exit:
1932 kfree(buf);
1933 if (ret)
1934 _clr_fwstate_(&padapter->mlmepriv, WIFI_UNDER_WPS);
1935 return ret;
1936 }
1937
cfg80211_rtw_join_ibss(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ibss_params * params)1938 static int cfg80211_rtw_join_ibss(struct wiphy *wiphy, struct net_device *ndev,
1939 struct cfg80211_ibss_params *params)
1940 {
1941 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
1942 struct ndis_802_11_ssid ndis_ssid;
1943 struct security_priv *psecuritypriv = &padapter->securitypriv;
1944 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1945 int ret = 0;
1946
1947 if (_FAIL == rtw_pwr_wakeup(padapter)) {
1948 ret = -EPERM;
1949 goto exit;
1950 }
1951
1952 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1953 ret = -EPERM;
1954 goto exit;
1955 }
1956
1957 if (!params->ssid || !params->ssid_len)
1958 {
1959 ret = -EINVAL;
1960 goto exit;
1961 }
1962
1963 if (params->ssid_len > IW_ESSID_MAX_SIZE) {
1964
1965 ret = -E2BIG;
1966 goto exit;
1967 }
1968
1969 memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
1970 ndis_ssid.SsidLength = params->ssid_len;
1971 memcpy(ndis_ssid.Ssid, (u8 *)params->ssid, params->ssid_len);
1972
1973 /* DBG_8192C("ssid =%s, len =%zu\n", ndis_ssid.Ssid, params->ssid_len); */
1974
1975 psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
1976 psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
1977 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
1978 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
1979 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
1980
1981 ret = rtw_cfg80211_set_auth_type(psecuritypriv, NL80211_AUTHTYPE_OPEN_SYSTEM);
1982 rtw_set_802_11_authentication_mode(padapter, psecuritypriv->ndisauthtype);
1983
1984 if (rtw_set_802_11_ssid(padapter, &ndis_ssid) == false)
1985 {
1986 ret = -1;
1987 goto exit;
1988 }
1989
1990 exit:
1991 return ret;
1992 }
1993
cfg80211_rtw_leave_ibss(struct wiphy * wiphy,struct net_device * ndev)1994 static int cfg80211_rtw_leave_ibss(struct wiphy *wiphy, struct net_device *ndev)
1995 {
1996 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
1997 struct wireless_dev *rtw_wdev = padapter->rtw_wdev;
1998 enum nl80211_iftype old_type;
1999 int ret = 0;
2000
2001 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2002
2003 old_type = rtw_wdev->iftype;
2004
2005 rtw_set_to_roam(padapter, 0);
2006
2007 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED))
2008 {
2009 rtw_scan_abort(padapter);
2010 LeaveAllPowerSaveMode(padapter);
2011
2012 rtw_wdev->iftype = NL80211_IFTYPE_STATION;
2013
2014 if (rtw_set_802_11_infrastructure_mode(padapter, Ndis802_11Infrastructure) == false)
2015 {
2016 rtw_wdev->iftype = old_type;
2017 ret = -EPERM;
2018 goto leave_ibss;
2019 }
2020 rtw_setopmode_cmd(padapter, Ndis802_11Infrastructure, true);
2021 }
2022
2023 leave_ibss:
2024 return ret;
2025 }
2026
cfg80211_rtw_connect(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_connect_params * sme)2027 static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev,
2028 struct cfg80211_connect_params *sme)
2029 {
2030 int ret = 0;
2031 enum NDIS_802_11_AUTHENTICATION_MODE authmode;
2032 struct ndis_802_11_ssid ndis_ssid;
2033 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
2034 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2035 struct security_priv *psecuritypriv = &padapter->securitypriv;
2036
2037 padapter->mlmepriv.not_indic_disco = true;
2038
2039 DBG_871X("=>"FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2040 DBG_871X("privacy =%d, key =%p, key_len =%d, key_idx =%d\n",
2041 sme->privacy, sme->key, sme->key_len, sme->key_idx);
2042
2043
2044 if (adapter_wdev_data(padapter)->block == true)
2045 {
2046 ret = -EBUSY;
2047 DBG_871X("%s wdev_priv.block is set\n", __func__);
2048 goto exit;
2049 }
2050
2051 rtw_ps_deny(padapter, PS_DENY_JOIN);
2052 if (_FAIL == rtw_pwr_wakeup(padapter)) {
2053 ret = -EPERM;
2054 goto exit;
2055 }
2056
2057 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
2058 ret = -EPERM;
2059 goto exit;
2060 }
2061
2062 if (!sme->ssid || !sme->ssid_len)
2063 {
2064 ret = -EINVAL;
2065 goto exit;
2066 }
2067
2068 if (sme->ssid_len > IW_ESSID_MAX_SIZE) {
2069
2070 ret = -E2BIG;
2071 goto exit;
2072 }
2073
2074 memset(&ndis_ssid, 0, sizeof(struct ndis_802_11_ssid));
2075 ndis_ssid.SsidLength = sme->ssid_len;
2076 memcpy(ndis_ssid.Ssid, (u8 *)sme->ssid, sme->ssid_len);
2077
2078 DBG_8192C("ssid =%s, len =%zu\n", ndis_ssid.Ssid, sme->ssid_len);
2079
2080
2081 if (sme->bssid)
2082 DBG_8192C("bssid ="MAC_FMT"\n", MAC_ARG(sme->bssid));
2083
2084
2085 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
2086 ret = -EBUSY;
2087 DBG_8192C("%s, fw_state = 0x%x, goto exit\n", __func__, pmlmepriv->fw_state);
2088 goto exit;
2089 }
2090 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
2091 rtw_scan_abort(padapter);
2092 }
2093
2094 psecuritypriv->ndisencryptstatus = Ndis802_11EncryptionDisabled;
2095 psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
2096 psecuritypriv->dot118021XGrpPrivacy = _NO_PRIVACY_;
2097 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
2098 psecuritypriv->ndisauthtype = Ndis802_11AuthModeOpen;
2099
2100 ret = rtw_cfg80211_set_wpa_version(psecuritypriv, sme->crypto.wpa_versions);
2101 if (ret < 0)
2102 goto exit;
2103
2104 ret = rtw_cfg80211_set_auth_type(psecuritypriv, sme->auth_type);
2105
2106 if (ret < 0)
2107 goto exit;
2108
2109 DBG_8192C("%s, ie_len =%zu\n", __func__, sme->ie_len);
2110
2111 ret = rtw_cfg80211_set_wpa_ie(padapter, (u8 *)sme->ie, sme->ie_len);
2112 if (ret < 0)
2113 goto exit;
2114
2115 if (sme->crypto.n_ciphers_pairwise) {
2116 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.ciphers_pairwise[0], true);
2117 if (ret < 0)
2118 goto exit;
2119 }
2120
2121 /* For WEP Shared auth */
2122 if ((psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Shared
2123 || psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_Auto) && sme->key
2124 )
2125 {
2126 u32 wep_key_idx, wep_key_len, wep_total_len;
2127 struct ndis_802_11_wep *pwep = NULL;
2128 DBG_871X("%s(): Shared/Auto WEP\n", __func__);
2129
2130 wep_key_idx = sme->key_idx;
2131 wep_key_len = sme->key_len;
2132
2133 if (sme->key_idx > WEP_KEYS) {
2134 ret = -EINVAL;
2135 goto exit;
2136 }
2137
2138 if (wep_key_len > 0)
2139 {
2140 wep_key_len = wep_key_len <= 5 ? 5 : 13;
2141 wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
2142 pwep = rtw_malloc(wep_total_len);
2143 if (pwep == NULL) {
2144 DBG_871X(" wpa_set_encryption: pwep allocate fail !!!\n");
2145 ret = -ENOMEM;
2146 goto exit;
2147 }
2148
2149 memset(pwep, 0, wep_total_len);
2150
2151 pwep->KeyLength = wep_key_len;
2152 pwep->Length = wep_total_len;
2153
2154 if (wep_key_len == 13)
2155 {
2156 padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_;
2157 padapter->securitypriv.dot118021XGrpPrivacy = _WEP104_;
2158 }
2159 }
2160 else {
2161 ret = -EINVAL;
2162 goto exit;
2163 }
2164
2165 pwep->KeyIndex = wep_key_idx;
2166 pwep->KeyIndex |= 0x80000000;
2167
2168 memcpy(pwep->KeyMaterial, (void *)sme->key, pwep->KeyLength);
2169
2170 if (rtw_set_802_11_add_wep(padapter, pwep) == (u8)_FAIL)
2171 {
2172 ret = -EOPNOTSUPP;
2173 }
2174
2175 kfree(pwep);
2176
2177 if (ret < 0)
2178 goto exit;
2179 }
2180
2181 ret = rtw_cfg80211_set_cipher(psecuritypriv, sme->crypto.cipher_group, false);
2182 if (ret < 0)
2183 return ret;
2184
2185 if (sme->crypto.n_akm_suites) {
2186 ret = rtw_cfg80211_set_key_mgt(psecuritypriv, sme->crypto.akm_suites[0]);
2187 if (ret < 0)
2188 goto exit;
2189 }
2190
2191 authmode = psecuritypriv->ndisauthtype;
2192 rtw_set_802_11_authentication_mode(padapter, authmode);
2193
2194 /* rtw_set_802_11_encryption_mode(padapter, padapter->securitypriv.ndisencryptstatus); */
2195
2196 if (rtw_set_802_11_connect(padapter, (u8 *)sme->bssid, &ndis_ssid) == false) {
2197 ret = -1;
2198 goto exit;
2199 }
2200
2201 DBG_8192C("set ssid:dot11AuthAlgrthm =%d, dot11PrivacyAlgrthm =%d, dot118021XGrpPrivacy =%d\n", psecuritypriv->dot11AuthAlgrthm, psecuritypriv->dot11PrivacyAlgrthm, psecuritypriv->dot118021XGrpPrivacy);
2202
2203 exit:
2204
2205 rtw_ps_deny_cancel(padapter, PS_DENY_JOIN);
2206
2207 DBG_8192C("<=%s, ret %d\n", __func__, ret);
2208
2209 padapter->mlmepriv.not_indic_disco = false;
2210
2211 return ret;
2212 }
2213
cfg80211_rtw_disconnect(struct wiphy * wiphy,struct net_device * ndev,u16 reason_code)2214 static int cfg80211_rtw_disconnect(struct wiphy *wiphy, struct net_device *ndev,
2215 u16 reason_code)
2216 {
2217 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
2218
2219 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2220
2221 rtw_set_to_roam(padapter, 0);
2222
2223 rtw_scan_abort(padapter);
2224 LeaveAllPowerSaveMode(padapter);
2225 rtw_disassoc_cmd(padapter, 500, false);
2226
2227 DBG_871X("%s...call rtw_indicate_disconnect\n", __func__);
2228
2229 rtw_indicate_disconnect(padapter);
2230
2231 rtw_free_assoc_resources(padapter, 1);
2232 rtw_pwr_wakeup(padapter);
2233
2234 DBG_871X(FUNC_NDEV_FMT" return 0\n", FUNC_NDEV_ARG(ndev));
2235 return 0;
2236 }
2237
cfg80211_rtw_set_txpower(struct wiphy * wiphy,struct wireless_dev * wdev,enum nl80211_tx_power_setting type,int mbm)2238 static int cfg80211_rtw_set_txpower(struct wiphy *wiphy,
2239 struct wireless_dev *wdev,
2240 enum nl80211_tx_power_setting type, int mbm)
2241 {
2242 DBG_8192C("%s\n", __func__);
2243 return 0;
2244 }
2245
cfg80211_rtw_get_txpower(struct wiphy * wiphy,struct wireless_dev * wdev,int * dbm)2246 static int cfg80211_rtw_get_txpower(struct wiphy *wiphy,
2247 struct wireless_dev *wdev,
2248 int *dbm)
2249 {
2250 DBG_8192C("%s\n", __func__);
2251
2252 *dbm = (12);
2253
2254 return 0;
2255 }
2256
rtw_cfg80211_pwr_mgmt(struct adapter * adapter)2257 inline bool rtw_cfg80211_pwr_mgmt(struct adapter *adapter)
2258 {
2259 struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(adapter);
2260 return rtw_wdev_priv->power_mgmt;
2261 }
2262
cfg80211_rtw_set_power_mgmt(struct wiphy * wiphy,struct net_device * ndev,bool enabled,int timeout)2263 static int cfg80211_rtw_set_power_mgmt(struct wiphy *wiphy,
2264 struct net_device *ndev,
2265 bool enabled, int timeout)
2266 {
2267 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
2268 struct rtw_wdev_priv *rtw_wdev_priv = adapter_wdev_data(padapter);
2269
2270 DBG_871X(FUNC_NDEV_FMT" enabled:%u, timeout:%d\n", FUNC_NDEV_ARG(ndev),
2271 enabled, timeout);
2272
2273 rtw_wdev_priv->power_mgmt = enabled;
2274
2275 if (!enabled)
2276 LPS_Leave(padapter, "CFG80211_PWRMGMT");
2277
2278 return 0;
2279 }
2280
cfg80211_rtw_set_pmksa(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_pmksa * pmksa)2281 static int cfg80211_rtw_set_pmksa(struct wiphy *wiphy,
2282 struct net_device *ndev,
2283 struct cfg80211_pmksa *pmksa)
2284 {
2285 u8 index, blInserted = false;
2286 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
2287 struct security_priv *psecuritypriv = &padapter->securitypriv;
2288 u8 strZeroMacAddress[ETH_ALEN] = { 0x00 };
2289
2290 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2291
2292 if (!memcmp((u8 *)pmksa->bssid, strZeroMacAddress, ETH_ALEN))
2293 {
2294 return -EINVAL;
2295 }
2296
2297 blInserted = false;
2298
2299 /* overwrite PMKID */
2300 for (index = 0 ; index < NUM_PMKID_CACHE; index++)
2301 {
2302 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN))
2303 { /* BSSID is matched, the same AP => rewrite with new PMKID. */
2304 DBG_871X(FUNC_NDEV_FMT" BSSID exists in the PMKList.\n", FUNC_NDEV_ARG(ndev));
2305
2306 memcpy(psecuritypriv->PMKIDList[index].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
2307 psecuritypriv->PMKIDList[index].bUsed = true;
2308 psecuritypriv->PMKIDIndex = index+1;
2309 blInserted = true;
2310 break;
2311 }
2312 }
2313
2314 if (!blInserted)
2315 {
2316 /* Find a new entry */
2317 DBG_871X(FUNC_NDEV_FMT" Use the new entry index = %d for this PMKID.\n",
2318 FUNC_NDEV_ARG(ndev), psecuritypriv->PMKIDIndex);
2319
2320 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].Bssid, (u8 *)pmksa->bssid, ETH_ALEN);
2321 memcpy(psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].PMKID, (u8 *)pmksa->pmkid, WLAN_PMKID_LEN);
2322
2323 psecuritypriv->PMKIDList[psecuritypriv->PMKIDIndex].bUsed = true;
2324 psecuritypriv->PMKIDIndex++;
2325 if (psecuritypriv->PMKIDIndex == 16)
2326 {
2327 psecuritypriv->PMKIDIndex = 0;
2328 }
2329 }
2330
2331 return 0;
2332 }
2333
cfg80211_rtw_del_pmksa(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_pmksa * pmksa)2334 static int cfg80211_rtw_del_pmksa(struct wiphy *wiphy,
2335 struct net_device *ndev,
2336 struct cfg80211_pmksa *pmksa)
2337 {
2338 u8 index, bMatched = false;
2339 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
2340 struct security_priv *psecuritypriv = &padapter->securitypriv;
2341
2342 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2343
2344 for (index = 0 ; index < NUM_PMKID_CACHE; index++)
2345 {
2346 if (!memcmp(psecuritypriv->PMKIDList[index].Bssid, (u8 *)pmksa->bssid, ETH_ALEN))
2347 { /* BSSID is matched, the same AP => Remove this PMKID information and reset it. */
2348 eth_zero_addr(psecuritypriv->PMKIDList[index].Bssid);
2349 memset(psecuritypriv->PMKIDList[index].PMKID, 0x00, WLAN_PMKID_LEN);
2350 psecuritypriv->PMKIDList[index].bUsed = false;
2351 bMatched = true;
2352 break;
2353 }
2354 }
2355
2356 if (false == bMatched)
2357 {
2358 DBG_871X(FUNC_NDEV_FMT" do not have matched BSSID\n"
2359 , FUNC_NDEV_ARG(ndev));
2360 return -EINVAL;
2361 }
2362
2363 return 0;
2364 }
2365
cfg80211_rtw_flush_pmksa(struct wiphy * wiphy,struct net_device * ndev)2366 static int cfg80211_rtw_flush_pmksa(struct wiphy *wiphy,
2367 struct net_device *ndev)
2368 {
2369 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
2370 struct security_priv *psecuritypriv = &padapter->securitypriv;
2371
2372 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2373
2374 memset(&psecuritypriv->PMKIDList[0], 0x00, sizeof(RT_PMKID_LIST) * NUM_PMKID_CACHE);
2375 psecuritypriv->PMKIDIndex = 0;
2376
2377 return 0;
2378 }
2379
rtw_cfg80211_indicate_sta_assoc(struct adapter * padapter,u8 * pmgmt_frame,uint frame_len)2380 void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame, uint frame_len)
2381 {
2382 struct net_device *ndev = padapter->pnetdev;
2383
2384 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
2385
2386 {
2387 struct station_info sinfo = {};
2388 u8 ie_offset;
2389 if (GetFrameSubType(pmgmt_frame) == WIFI_ASSOCREQ)
2390 ie_offset = _ASOCREQ_IE_OFFSET_;
2391 else /* WIFI_REASSOCREQ */
2392 ie_offset = _REASOCREQ_IE_OFFSET_;
2393
2394 sinfo.filled = 0;
2395 sinfo.assoc_req_ies = pmgmt_frame + WLAN_HDR_A3_LEN + ie_offset;
2396 sinfo.assoc_req_ies_len = frame_len - WLAN_HDR_A3_LEN - ie_offset;
2397 cfg80211_new_sta(ndev, GetAddr2Ptr(pmgmt_frame), &sinfo, GFP_ATOMIC);
2398 }
2399 }
2400
rtw_cfg80211_indicate_sta_disassoc(struct adapter * padapter,unsigned char * da,unsigned short reason)2401 void rtw_cfg80211_indicate_sta_disassoc(struct adapter *padapter, unsigned char *da, unsigned short reason)
2402 {
2403 struct net_device *ndev = padapter->pnetdev;
2404
2405 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
2406
2407 cfg80211_del_sta(ndev, da, GFP_ATOMIC);
2408 }
2409
2410
2411
rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff * skb,struct net_device * ndev)2412 static netdev_tx_t rtw_cfg80211_monitor_if_xmit_entry(struct sk_buff *skb, struct net_device *ndev)
2413 {
2414 int rtap_len;
2415 int qos_len = 0;
2416 int dot11_hdr_len = 24;
2417 int snap_len = 6;
2418 unsigned char *pdata;
2419 u16 frame_control;
2420 unsigned char src_mac_addr[6];
2421 unsigned char dst_mac_addr[6];
2422 struct ieee80211_hdr *dot11_hdr;
2423 struct ieee80211_radiotap_header *rtap_hdr;
2424 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
2425
2426 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2427
2428 if (!skb)
2429 goto fail;
2430
2431 rtw_mstat_update(MSTAT_TYPE_SKB, MSTAT_ALLOC_SUCCESS, skb->truesize);
2432
2433 if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header)))
2434 goto fail;
2435
2436 rtap_hdr = (struct ieee80211_radiotap_header *)skb->data;
2437 if (unlikely(rtap_hdr->it_version))
2438 goto fail;
2439
2440 rtap_len = ieee80211_get_radiotap_len(skb->data);
2441 if (unlikely(skb->len < rtap_len))
2442 goto fail;
2443
2444 if (rtap_len != 14)
2445 {
2446 DBG_8192C("radiotap len (should be 14): %d\n", rtap_len);
2447 goto fail;
2448 }
2449
2450 /* Skip the ratio tap header */
2451 skb_pull(skb, rtap_len);
2452
2453 dot11_hdr = (struct ieee80211_hdr *)skb->data;
2454 frame_control = le16_to_cpu(dot11_hdr->frame_control);
2455 /* Check if the QoS bit is set */
2456 if ((frame_control & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) {
2457 /* Check if this ia a Wireless Distribution System (WDS) frame
2458 * which has 4 MAC addresses
2459 */
2460 if (frame_control & 0x0080)
2461 qos_len = 2;
2462 if ((frame_control & 0x0300) == 0x0300)
2463 dot11_hdr_len += 6;
2464
2465 memcpy(dst_mac_addr, dot11_hdr->addr1, sizeof(dst_mac_addr));
2466 memcpy(src_mac_addr, dot11_hdr->addr2, sizeof(src_mac_addr));
2467
2468 /* Skip the 802.11 header, QoS (if any) and SNAP, but leave spaces for
2469 * for two MAC addresses
2470 */
2471 skb_pull(skb, dot11_hdr_len + qos_len + snap_len - sizeof(src_mac_addr) * 2);
2472 pdata = (unsigned char *)skb->data;
2473 memcpy(pdata, dst_mac_addr, sizeof(dst_mac_addr));
2474 memcpy(pdata + sizeof(dst_mac_addr), src_mac_addr, sizeof(src_mac_addr));
2475
2476 DBG_8192C("should be eapol packet\n");
2477
2478 /* Use the real net device to transmit the packet */
2479 return _rtw_xmit_entry(skb, padapter->pnetdev);
2480
2481 }
2482 else if ((frame_control & (IEEE80211_FCTL_FTYPE|IEEE80211_FCTL_STYPE))
2483 == (IEEE80211_FTYPE_MGMT|IEEE80211_STYPE_ACTION)
2484 )
2485 {
2486 /* only for action frames */
2487 struct xmit_frame *pmgntframe;
2488 struct pkt_attrib *pattrib;
2489 unsigned char *pframe;
2490 /* u8 category, action, OUI_Subtype, dialogToken = 0; */
2491 /* unsigned char *frame_body; */
2492 struct ieee80211_hdr *pwlanhdr;
2493 struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2494 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2495 u8 *buf = skb->data;
2496 u32 len = skb->len;
2497 u8 category, action;
2498
2499 if (rtw_action_frame_parse(buf, len, &category, &action) == false) {
2500 DBG_8192C(FUNC_NDEV_FMT" frame_control:0x%x\n", FUNC_NDEV_ARG(ndev),
2501 le16_to_cpu(((struct ieee80211_hdr_3addr *)buf)->frame_control));
2502 goto fail;
2503 }
2504
2505 DBG_8192C("RTW_Tx:da ="MAC_FMT" via "FUNC_NDEV_FMT"\n",
2506 MAC_ARG(GetAddr1Ptr(buf)), FUNC_NDEV_ARG(ndev));
2507 if (category == RTW_WLAN_CATEGORY_PUBLIC)
2508 DBG_871X("RTW_Tx:%s\n", action_public_str(action));
2509 else
2510 DBG_871X("RTW_Tx:category(%u), action(%u)\n", category, action);
2511
2512 /* starting alloc mgmt frame to dump it */
2513 if ((pmgntframe = alloc_mgtxmitframe(pxmitpriv)) == NULL)
2514 {
2515 goto fail;
2516 }
2517
2518 /* update attribute */
2519 pattrib = &pmgntframe->attrib;
2520 update_mgntframe_attrib(padapter, pattrib);
2521 pattrib->retry_ctrl = false;
2522
2523 memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
2524
2525 pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
2526
2527 memcpy(pframe, (void *)buf, len);
2528 pattrib->pktlen = len;
2529
2530 pwlanhdr = (struct ieee80211_hdr *)pframe;
2531 /* update seq number */
2532 pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
2533 pattrib->seqnum = pmlmeext->mgnt_seq;
2534 pmlmeext->mgnt_seq++;
2535
2536
2537 pattrib->last_txcmdsz = pattrib->pktlen;
2538
2539 dump_mgntframe(padapter, pmgntframe);
2540
2541 }
2542 else
2543 {
2544 DBG_8192C("frame_control = 0x%x\n", frame_control & (IEEE80211_FCTL_FTYPE|IEEE80211_FCTL_STYPE));
2545 }
2546
2547
2548 fail:
2549
2550 dev_kfree_skb_any(skb);
2551
2552 return 0;
2553
2554 }
2555
2556
2557
2558 static const struct net_device_ops rtw_cfg80211_monitor_if_ops = {
2559 .ndo_start_xmit = rtw_cfg80211_monitor_if_xmit_entry,
2560 };
2561
rtw_cfg80211_add_monitor_if(struct adapter * padapter,char * name,struct net_device ** ndev)2562 static int rtw_cfg80211_add_monitor_if(struct adapter *padapter, char *name, struct net_device **ndev)
2563 {
2564 int ret = 0;
2565 struct net_device* mon_ndev = NULL;
2566 struct wireless_dev* mon_wdev = NULL;
2567 struct rtw_netdev_priv_indicator *pnpi;
2568 struct rtw_wdev_priv *pwdev_priv = adapter_wdev_data(padapter);
2569
2570 if (!name) {
2571 DBG_871X(FUNC_ADPT_FMT" without specific name\n", FUNC_ADPT_ARG(padapter));
2572 ret = -EINVAL;
2573 goto out;
2574 }
2575
2576 if (pwdev_priv->pmon_ndev) {
2577 DBG_871X(FUNC_ADPT_FMT" monitor interface exist: "NDEV_FMT"\n",
2578 FUNC_ADPT_ARG(padapter), NDEV_ARG(pwdev_priv->pmon_ndev));
2579 ret = -EBUSY;
2580 goto out;
2581 }
2582
2583 mon_ndev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
2584 if (!mon_ndev) {
2585 DBG_871X(FUNC_ADPT_FMT" allocate ndev fail\n", FUNC_ADPT_ARG(padapter));
2586 ret = -ENOMEM;
2587 goto out;
2588 }
2589
2590 mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP;
2591 strncpy(mon_ndev->name, name, IFNAMSIZ);
2592 mon_ndev->name[IFNAMSIZ - 1] = 0;
2593 mon_ndev->needs_free_netdev = true;
2594 mon_ndev->priv_destructor = rtw_ndev_destructor;
2595
2596 mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops;
2597
2598 pnpi = netdev_priv(mon_ndev);
2599 pnpi->priv = padapter;
2600 pnpi->sizeof_priv = sizeof(struct adapter);
2601
2602 /* wdev */
2603 mon_wdev = rtw_zmalloc(sizeof(struct wireless_dev));
2604 if (!mon_wdev) {
2605 DBG_871X(FUNC_ADPT_FMT" allocate mon_wdev fail\n", FUNC_ADPT_ARG(padapter));
2606 ret = -ENOMEM;
2607 goto out;
2608 }
2609
2610 mon_wdev->wiphy = padapter->rtw_wdev->wiphy;
2611 mon_wdev->netdev = mon_ndev;
2612 mon_wdev->iftype = NL80211_IFTYPE_MONITOR;
2613 mon_ndev->ieee80211_ptr = mon_wdev;
2614
2615 ret = register_netdevice(mon_ndev);
2616 if (ret) {
2617 goto out;
2618 }
2619
2620 *ndev = pwdev_priv->pmon_ndev = mon_ndev;
2621 memcpy(pwdev_priv->ifname_mon, name, IFNAMSIZ+1);
2622
2623 out:
2624 if (ret && mon_wdev) {
2625 kfree(mon_wdev);
2626 mon_wdev = NULL;
2627 }
2628
2629 if (ret && mon_ndev) {
2630 free_netdev(mon_ndev);
2631 *ndev = mon_ndev = NULL;
2632 }
2633
2634 return ret;
2635 }
2636
2637 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)2638 cfg80211_rtw_add_virtual_intf(
2639 struct wiphy *wiphy,
2640 const char *name,
2641 unsigned char name_assign_type,
2642 enum nl80211_iftype type, struct vif_params *params)
2643 {
2644 int ret = 0;
2645 struct net_device* ndev = NULL;
2646 struct adapter *padapter = wiphy_to_adapter(wiphy);
2647
2648 DBG_871X(FUNC_ADPT_FMT " wiphy:%s, name:%s, type:%d\n",
2649 FUNC_ADPT_ARG(padapter), wiphy_name(wiphy), name, type);
2650
2651 switch (type) {
2652 case NL80211_IFTYPE_ADHOC:
2653 case NL80211_IFTYPE_AP_VLAN:
2654 case NL80211_IFTYPE_WDS:
2655 case NL80211_IFTYPE_MESH_POINT:
2656 ret = -ENODEV;
2657 break;
2658 case NL80211_IFTYPE_MONITOR:
2659 ret = rtw_cfg80211_add_monitor_if(padapter, (char *)name, &ndev);
2660 break;
2661 case NL80211_IFTYPE_P2P_CLIENT:
2662 case NL80211_IFTYPE_STATION:
2663 ret = -ENODEV;
2664 break;
2665 case NL80211_IFTYPE_P2P_GO:
2666 case NL80211_IFTYPE_AP:
2667 ret = -ENODEV;
2668 break;
2669 default:
2670 ret = -ENODEV;
2671 DBG_871X("Unsupported interface type\n");
2672 break;
2673 }
2674
2675 DBG_871X(FUNC_ADPT_FMT" ndev:%p, ret:%d\n", FUNC_ADPT_ARG(padapter), ndev, ret);
2676
2677 return ndev ? ndev->ieee80211_ptr : ERR_PTR(ret);
2678 }
2679
cfg80211_rtw_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)2680 static int cfg80211_rtw_del_virtual_intf(struct wiphy *wiphy,
2681 struct wireless_dev *wdev
2682 )
2683 {
2684 struct net_device *ndev = wdev_to_ndev(wdev);
2685 int ret = 0;
2686 struct adapter *adapter;
2687 struct rtw_wdev_priv *pwdev_priv;
2688
2689 if (!ndev) {
2690 ret = -EINVAL;
2691 goto exit;
2692 }
2693
2694 adapter = (struct adapter *)rtw_netdev_priv(ndev);
2695 pwdev_priv = adapter_wdev_data(adapter);
2696
2697 unregister_netdevice(ndev);
2698
2699 if (ndev == pwdev_priv->pmon_ndev) {
2700 pwdev_priv->pmon_ndev = NULL;
2701 pwdev_priv->ifname_mon[0] = '\0';
2702 DBG_871X(FUNC_NDEV_FMT" remove monitor interface\n", FUNC_NDEV_ARG(ndev));
2703 }
2704
2705 exit:
2706 return ret;
2707 }
2708
rtw_add_beacon(struct adapter * adapter,const u8 * head,size_t head_len,const u8 * tail,size_t tail_len)2709 static int rtw_add_beacon(struct adapter *adapter, const u8 *head, size_t head_len, const u8 *tail, size_t tail_len)
2710 {
2711 int ret = 0;
2712 u8 *pbuf = NULL;
2713 uint len, wps_ielen = 0;
2714 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
2715
2716 DBG_8192C("%s beacon_head_len =%zu, beacon_tail_len =%zu\n", __func__, head_len, tail_len);
2717
2718 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
2719 return -EINVAL;
2720
2721 if (head_len < 24)
2722 return -EINVAL;
2723
2724 pbuf = rtw_zmalloc(head_len+tail_len);
2725 if (!pbuf)
2726 return -ENOMEM;
2727
2728 memcpy(pbuf, (void *)head+24, head_len-24);/* 24 =beacon header len. */
2729 memcpy(pbuf+head_len-24, (void *)tail, tail_len);
2730
2731 len = head_len+tail_len-24;
2732
2733 /* check wps ie if inclued */
2734 if (rtw_get_wps_ie(pbuf+_FIXED_IE_LENGTH_, len-_FIXED_IE_LENGTH_, NULL, &wps_ielen))
2735 DBG_8192C("add bcn, wps_ielen =%d\n", wps_ielen);
2736
2737 /* pbss_network->IEs will not include p2p_ie, wfd ie */
2738 rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, _VENDOR_SPECIFIC_IE_, P2P_OUI, 4);
2739 rtw_ies_remove_ie(pbuf, &len, _BEACON_IE_OFFSET_, _VENDOR_SPECIFIC_IE_, WFD_OUI, 4);
2740
2741 if (rtw_check_beacon_data(adapter, pbuf, len) == _SUCCESS)
2742 {
2743 ret = 0;
2744 }
2745 else
2746 {
2747 ret = -EINVAL;
2748 }
2749
2750
2751 kfree(pbuf);
2752
2753 return ret;
2754 }
2755
cfg80211_rtw_start_ap(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_ap_settings * settings)2756 static int cfg80211_rtw_start_ap(struct wiphy *wiphy, struct net_device *ndev,
2757 struct cfg80211_ap_settings *settings)
2758 {
2759 int ret = 0;
2760 struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);
2761
2762 DBG_871X(FUNC_NDEV_FMT" hidden_ssid:%d, auth_type:%d\n", FUNC_NDEV_ARG(ndev),
2763 settings->hidden_ssid, settings->auth_type);
2764
2765 ret = rtw_add_beacon(adapter, settings->beacon.head, settings->beacon.head_len,
2766 settings->beacon.tail, settings->beacon.tail_len);
2767
2768 adapter->mlmeextpriv.mlmext_info.hidden_ssid_mode = settings->hidden_ssid;
2769
2770 if (settings->ssid && settings->ssid_len) {
2771 struct wlan_bssid_ex *pbss_network = &adapter->mlmepriv.cur_network.network;
2772 struct wlan_bssid_ex *pbss_network_ext = &adapter->mlmeextpriv.mlmext_info.network;
2773
2774 memcpy(pbss_network->Ssid.Ssid, (void *)settings->ssid, settings->ssid_len);
2775 pbss_network->Ssid.SsidLength = settings->ssid_len;
2776 memcpy(pbss_network_ext->Ssid.Ssid, (void *)settings->ssid, settings->ssid_len);
2777 pbss_network_ext->Ssid.SsidLength = settings->ssid_len;
2778 }
2779
2780 return ret;
2781 }
2782
cfg80211_rtw_change_beacon(struct wiphy * wiphy,struct net_device * ndev,struct cfg80211_beacon_data * info)2783 static int cfg80211_rtw_change_beacon(struct wiphy *wiphy, struct net_device *ndev,
2784 struct cfg80211_beacon_data *info)
2785 {
2786 struct adapter *adapter = (struct adapter *)rtw_netdev_priv(ndev);
2787
2788 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2789
2790 return rtw_add_beacon(adapter, info->head, info->head_len, info->tail, info->tail_len);
2791 }
2792
cfg80211_rtw_stop_ap(struct wiphy * wiphy,struct net_device * ndev)2793 static int cfg80211_rtw_stop_ap(struct wiphy *wiphy, struct net_device *ndev)
2794 {
2795 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2796 return 0;
2797 }
2798
cfg80211_rtw_add_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_parameters * params)2799 static int cfg80211_rtw_add_station(struct wiphy *wiphy, struct net_device *ndev,
2800 const u8 *mac,
2801 struct station_parameters *params)
2802 {
2803 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2804
2805 return 0;
2806 }
2807
cfg80211_rtw_del_station(struct wiphy * wiphy,struct net_device * ndev,struct station_del_parameters * params)2808 static int cfg80211_rtw_del_station(struct wiphy *wiphy, struct net_device *ndev,
2809 struct station_del_parameters *params)
2810 {
2811 int ret = 0;
2812 struct list_head *phead, *plist;
2813 u8 updated = false;
2814 struct sta_info *psta = NULL;
2815 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
2816 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2817 struct sta_priv *pstapriv = &padapter->stapriv;
2818 const u8 *mac = params->mac;
2819
2820 DBG_871X("+"FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2821
2822 if (check_fwstate(pmlmepriv, (_FW_LINKED|WIFI_AP_STATE)) != true)
2823 {
2824 DBG_8192C("%s, fw_state != FW_LINKED|WIFI_AP_STATE\n", __func__);
2825 return -EINVAL;
2826 }
2827
2828
2829 if (!mac)
2830 {
2831 DBG_8192C("flush all sta, and cam_entry\n");
2832
2833 flush_all_cam_entry(padapter); /* clear CAM */
2834
2835 rtw_sta_flush(padapter);
2836
2837 return 0;
2838 }
2839
2840
2841 DBG_8192C("free sta macaddr =" MAC_FMT "\n", MAC_ARG(mac));
2842
2843 if (mac[0] == 0xff && mac[1] == 0xff &&
2844 mac[2] == 0xff && mac[3] == 0xff &&
2845 mac[4] == 0xff && mac[5] == 0xff)
2846 {
2847 return -EINVAL;
2848 }
2849
2850
2851 spin_lock_bh(&pstapriv->asoc_list_lock);
2852
2853 phead = &pstapriv->asoc_list;
2854 plist = get_next(phead);
2855
2856 /* check asoc_queue */
2857 while (phead != plist)
2858 {
2859 psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
2860
2861 plist = get_next(plist);
2862
2863 if (!memcmp((u8 *)mac, psta->hwaddr, ETH_ALEN))
2864 {
2865 if (psta->dot8021xalg == 1 && psta->bpairwise_key_installed == false)
2866 {
2867 DBG_8192C("%s, sta's dot8021xalg = 1 and key_installed = false\n", __func__);
2868 }
2869 else
2870 {
2871 DBG_8192C("free psta =%p, aid =%d\n", psta, psta->aid);
2872
2873 list_del_init(&psta->asoc_list);
2874 pstapriv->asoc_list_cnt--;
2875
2876 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
2877
2878 psta = NULL;
2879
2880 break;
2881 }
2882
2883 }
2884
2885 }
2886
2887 spin_unlock_bh(&pstapriv->asoc_list_lock);
2888
2889 associated_clients_update(padapter, updated);
2890
2891 DBG_871X("-"FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2892
2893 return ret;
2894
2895 }
2896
cfg80211_rtw_change_station(struct wiphy * wiphy,struct net_device * ndev,const u8 * mac,struct station_parameters * params)2897 static int cfg80211_rtw_change_station(struct wiphy *wiphy, struct net_device *ndev,
2898 const u8 *mac, struct station_parameters *params)
2899 {
2900 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2901
2902 return 0;
2903 }
2904
rtw_sta_info_get_by_idx(const int idx,struct sta_priv * pstapriv)2905 static struct sta_info *rtw_sta_info_get_by_idx(const int idx, struct sta_priv *pstapriv)
2906
2907 {
2908 struct list_head *phead, *plist;
2909 struct sta_info *psta = NULL;
2910 int i = 0;
2911
2912 phead = &pstapriv->asoc_list;
2913 plist = get_next(phead);
2914
2915 /* check asoc_queue */
2916 while (phead != plist)
2917 {
2918 if (idx == i) psta = LIST_CONTAINOR(plist, struct sta_info, asoc_list);
2919 plist = get_next(plist);
2920 i++;
2921 }
2922 return psta;
2923 }
2924
cfg80211_rtw_dump_station(struct wiphy * wiphy,struct net_device * ndev,int idx,u8 * mac,struct station_info * sinfo)2925 static int cfg80211_rtw_dump_station(struct wiphy *wiphy, struct net_device *ndev,
2926 int idx, u8 *mac, struct station_info *sinfo)
2927 {
2928
2929 int ret = 0;
2930 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(ndev);
2931 struct sta_info *psta = NULL;
2932 struct sta_priv *pstapriv = &padapter->stapriv;
2933 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2934
2935 spin_lock_bh(&pstapriv->asoc_list_lock);
2936 psta = rtw_sta_info_get_by_idx(idx, pstapriv);
2937 spin_unlock_bh(&pstapriv->asoc_list_lock);
2938 if (NULL == psta)
2939 {
2940 DBG_871X("Station is not found\n");
2941 ret = -ENOENT;
2942 goto exit;
2943 }
2944 memcpy(mac, psta->hwaddr, ETH_ALEN);
2945 sinfo->filled = BIT_ULL(NL80211_STA_INFO_SIGNAL);
2946 sinfo->signal = psta->rssi;
2947
2948 exit:
2949 return ret;
2950 }
2951
cfg80211_rtw_change_bss(struct wiphy * wiphy,struct net_device * ndev,struct bss_parameters * params)2952 static int cfg80211_rtw_change_bss(struct wiphy *wiphy, struct net_device *ndev,
2953 struct bss_parameters *params)
2954 {
2955 DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev));
2956 return 0;
2957 }
2958
rtw_cfg80211_rx_action(struct adapter * adapter,u8 * frame,uint frame_len,const char * msg)2959 void rtw_cfg80211_rx_action(struct adapter *adapter, u8 *frame, uint frame_len, const char*msg)
2960 {
2961 s32 freq;
2962 int channel;
2963 u8 category, action;
2964
2965 channel = rtw_get_oper_ch(adapter);
2966
2967 rtw_action_frame_parse(frame, frame_len, &category, &action);
2968
2969 DBG_8192C("RTW_Rx:cur_ch =%d\n", channel);
2970 if (msg)
2971 DBG_871X("RTW_Rx:%s\n", msg);
2972 else
2973 DBG_871X("RTW_Rx:category(%u), action(%u)\n", category, action);
2974
2975 freq = rtw_ieee80211_channel_to_frequency(channel, NL80211_BAND_2GHZ);
2976
2977 rtw_cfg80211_rx_mgmt(adapter, freq, 0, frame, frame_len, GFP_ATOMIC);
2978 }
2979
_cfg80211_rtw_mgmt_tx(struct adapter * padapter,u8 tx_ch,const u8 * buf,size_t len)2980 static int _cfg80211_rtw_mgmt_tx(struct adapter *padapter, u8 tx_ch, const u8 *buf, size_t len)
2981 {
2982 struct xmit_frame *pmgntframe;
2983 struct pkt_attrib *pattrib;
2984 unsigned char *pframe;
2985 int ret = _FAIL;
2986 bool ack = true;
2987 struct ieee80211_hdr *pwlanhdr;
2988 struct xmit_priv *pxmitpriv = &(padapter->xmitpriv);
2989 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
2990
2991 rtw_set_scan_deny(padapter, 1000);
2992
2993 rtw_scan_abort(padapter);
2994 if (tx_ch != rtw_get_oper_ch(padapter)) {
2995 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED))
2996 pmlmeext->cur_channel = tx_ch;
2997 set_channel_bwmode(padapter, tx_ch, HAL_PRIME_CHNL_OFFSET_DONT_CARE, CHANNEL_WIDTH_20);
2998 }
2999
3000 /* starting alloc mgmt frame to dump it */
3001 if ((pmgntframe = alloc_mgtxmitframe(pxmitpriv)) == NULL)
3002 {
3003 /* ret = -ENOMEM; */
3004 ret = _FAIL;
3005 goto exit;
3006 }
3007
3008 /* update attribute */
3009 pattrib = &pmgntframe->attrib;
3010 update_mgntframe_attrib(padapter, pattrib);
3011 pattrib->retry_ctrl = false;
3012
3013 memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET);
3014
3015 pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET;
3016
3017 memcpy(pframe, (void *)buf, len);
3018 pattrib->pktlen = len;
3019
3020 pwlanhdr = (struct ieee80211_hdr *)pframe;
3021 /* update seq number */
3022 pmlmeext->mgnt_seq = GetSequence(pwlanhdr);
3023 pattrib->seqnum = pmlmeext->mgnt_seq;
3024 pmlmeext->mgnt_seq++;
3025
3026 pattrib->last_txcmdsz = pattrib->pktlen;
3027
3028 if (dump_mgntframe_and_wait_ack(padapter, pmgntframe) != _SUCCESS)
3029 {
3030 ack = false;
3031 ret = _FAIL;
3032
3033 #ifdef DEBUG_CFG80211
3034 DBG_8192C("%s, ack == _FAIL\n", __func__);
3035 #endif
3036 }
3037 else
3038 {
3039
3040 msleep(50);
3041
3042 #ifdef DEBUG_CFG80211
3043 DBG_8192C("%s, ack =%d, ok!\n", __func__, ack);
3044 #endif
3045 ret = _SUCCESS;
3046 }
3047
3048 exit:
3049
3050 #ifdef DEBUG_CFG80211
3051 DBG_8192C("%s, ret =%d\n", __func__, ret);
3052 #endif
3053
3054 return ret;
3055
3056 }
3057
cfg80211_rtw_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)3058 static int cfg80211_rtw_mgmt_tx(struct wiphy *wiphy,
3059 struct wireless_dev *wdev,
3060 struct cfg80211_mgmt_tx_params *params,
3061 u64 *cookie)
3062 {
3063 struct net_device *ndev = wdev_to_ndev(wdev);
3064 struct ieee80211_channel *chan = params->chan;
3065 const u8 *buf = params->buf;
3066 size_t len = params->len;
3067 int ret = 0;
3068 int tx_ret;
3069 u32 dump_limit = RTW_MAX_MGMT_TX_CNT;
3070 u32 dump_cnt = 0;
3071 bool ack = true;
3072 u8 tx_ch = (u8)ieee80211_frequency_to_channel(chan->center_freq);
3073 u8 category, action;
3074 int type = (-1);
3075 struct adapter *padapter;
3076 struct rtw_wdev_priv *pwdev_priv;
3077
3078 if (ndev == NULL) {
3079 ret = -EINVAL;
3080 goto exit;
3081 }
3082
3083 padapter = (struct adapter *)rtw_netdev_priv(ndev);
3084 pwdev_priv = adapter_wdev_data(padapter);
3085
3086 /* cookie generation */
3087 *cookie = (unsigned long) buf;
3088
3089 #ifdef DEBUG_CFG80211
3090 DBG_871X(FUNC_ADPT_FMT" len =%zu, ch =%d"
3091 "\n", FUNC_ADPT_ARG(padapter),
3092 len, tx_ch
3093 );
3094 #endif /* DEBUG_CFG80211 */
3095
3096 /* indicate ack before issue frame to avoid racing with rsp frame */
3097 rtw_cfg80211_mgmt_tx_status(padapter, *cookie, buf, len, ack, GFP_KERNEL);
3098
3099 if (rtw_action_frame_parse(buf, len, &category, &action) == false) {
3100 DBG_8192C(FUNC_ADPT_FMT" frame_control:0x%x\n", FUNC_ADPT_ARG(padapter),
3101 le16_to_cpu(((struct ieee80211_hdr_3addr *)buf)->frame_control));
3102 goto exit;
3103 }
3104
3105 DBG_8192C("RTW_Tx:tx_ch =%d, da ="MAC_FMT"\n", tx_ch, MAC_ARG(GetAddr1Ptr(buf)));
3106 if (category == RTW_WLAN_CATEGORY_PUBLIC)
3107 DBG_871X("RTW_Tx:%s\n", action_public_str(action));
3108 else
3109 DBG_871X("RTW_Tx:category(%u), action(%u)\n", category, action);
3110
3111 rtw_ps_deny(padapter, PS_DENY_MGNT_TX);
3112 if (_FAIL == rtw_pwr_wakeup(padapter)) {
3113 ret = -EFAULT;
3114 goto cancel_ps_deny;
3115 }
3116
3117 do {
3118 dump_cnt++;
3119 tx_ret = _cfg80211_rtw_mgmt_tx(padapter, tx_ch, buf, len);
3120 } while (dump_cnt < dump_limit && tx_ret != _SUCCESS);
3121
3122 if (tx_ret != _SUCCESS || dump_cnt > 1) {
3123 DBG_871X(FUNC_ADPT_FMT" %s (%d/%d)\n", FUNC_ADPT_ARG(padapter),
3124 tx_ret == _SUCCESS?"OK":"FAIL", dump_cnt, dump_limit);
3125 }
3126
3127 switch (type) {
3128 case P2P_GO_NEGO_CONF:
3129 rtw_clear_scan_deny(padapter);
3130 break;
3131 case P2P_INVIT_RESP:
3132 if (pwdev_priv->invit_info.flags & BIT(0)
3133 && pwdev_priv->invit_info.status == 0)
3134 {
3135 DBG_871X(FUNC_ADPT_FMT" agree with invitation of persistent group\n",
3136 FUNC_ADPT_ARG(padapter));
3137 rtw_set_scan_deny(padapter, 5000);
3138 rtw_pwr_wakeup_ex(padapter, 5000);
3139 rtw_clear_scan_deny(padapter);
3140 }
3141 break;
3142 }
3143
3144 cancel_ps_deny:
3145 rtw_ps_deny_cancel(padapter, PS_DENY_MGNT_TX);
3146 exit:
3147 return ret;
3148 }
3149
3150 #if defined(CONFIG_PNO_SUPPORT)
cfg80211_rtw_sched_scan_start(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_sched_scan_request * request)3151 static int cfg80211_rtw_sched_scan_start(struct wiphy *wiphy,
3152 struct net_device *dev,
3153 struct cfg80211_sched_scan_request *request) {
3154
3155 struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
3156 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
3157 int ret;
3158
3159 if (padapter->bup == false) {
3160 DBG_871X("%s: net device is down.\n", __func__);
3161 return -EIO;
3162 }
3163
3164 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true ||
3165 check_fwstate(pmlmepriv, _FW_LINKED) == true ||
3166 check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
3167 DBG_871X("%s: device is busy.\n", __func__);
3168 rtw_scan_abort(padapter);
3169 }
3170
3171 if (request == NULL) {
3172 DBG_871X("%s: invalid cfg80211_requests parameters.\n", __func__);
3173 return -EINVAL;
3174 }
3175
3176 ret = rtw_android_cfg80211_pno_setup(dev, request->ssids,
3177 request->n_ssids, request->interval);
3178
3179 if (ret < 0) {
3180 DBG_871X("%s ret: %d\n", __func__, ret);
3181 goto exit;
3182 }
3183
3184 ret = rtw_android_pno_enable(dev, true);
3185 if (ret < 0) {
3186 DBG_871X("%s ret: %d\n", __func__, ret);
3187 goto exit;
3188 }
3189 exit:
3190 return ret;
3191 }
3192
cfg80211_rtw_sched_scan_stop(struct wiphy * wiphy,struct net_device * dev)3193 static int cfg80211_rtw_sched_scan_stop(struct wiphy *wiphy,
3194 struct net_device *dev) {
3195 return rtw_android_pno_enable(dev, false);
3196 }
3197 #endif /* CONFIG_PNO_SUPPORT */
3198
rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap * ht_cap,enum nl80211_band band,u8 rf_type)3199 static void rtw_cfg80211_init_ht_capab(struct ieee80211_sta_ht_cap *ht_cap, enum nl80211_band band, u8 rf_type)
3200 {
3201
3202 #define MAX_BIT_RATE_40MHZ_MCS15 300 /* Mbps */
3203 #define MAX_BIT_RATE_40MHZ_MCS7 150 /* Mbps */
3204
3205 ht_cap->ht_supported = true;
3206
3207 ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
3208 IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SGI_20 |
3209 IEEE80211_HT_CAP_DSSSCCK40 | IEEE80211_HT_CAP_MAX_AMSDU;
3210
3211 /*
3212 *Maximum length of AMPDU that the STA can receive.
3213 *Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
3214 */
3215 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
3216
3217 /*Minimum MPDU start spacing , */
3218 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
3219
3220 ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
3221
3222 /*
3223 *hw->wiphy->bands[NL80211_BAND_2GHZ]
3224 *base on ant_num
3225 *rx_mask: RX mask
3226 *if rx_ant = 1 rx_mask[0]= 0xff;==>MCS0-MCS7
3227 *if rx_ant =2 rx_mask[1]= 0xff;==>MCS8-MCS15
3228 *if rx_ant >=3 rx_mask[2]= 0xff;
3229 *if BW_40 rx_mask[4]= 0x01;
3230 *highest supported RX rate
3231 */
3232 if (rf_type == RF_1T1R)
3233 {
3234 ht_cap->mcs.rx_mask[0] = 0xFF;
3235 ht_cap->mcs.rx_mask[1] = 0x00;
3236 ht_cap->mcs.rx_mask[4] = 0x01;
3237
3238 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS7);
3239 }
3240 else if ((rf_type == RF_1T2R) || (rf_type == RF_2T2R))
3241 {
3242 ht_cap->mcs.rx_mask[0] = 0xFF;
3243 ht_cap->mcs.rx_mask[1] = 0xFF;
3244 ht_cap->mcs.rx_mask[4] = 0x01;
3245
3246 ht_cap->mcs.rx_highest = cpu_to_le16(MAX_BIT_RATE_40MHZ_MCS15);
3247 }
3248 else
3249 {
3250 DBG_8192C("%s, error rf_type =%d\n", __func__, rf_type);
3251 }
3252
3253 }
3254
rtw_cfg80211_init_wiphy(struct adapter * padapter)3255 void rtw_cfg80211_init_wiphy(struct adapter *padapter)
3256 {
3257 u8 rf_type;
3258 struct ieee80211_supported_band *bands;
3259 struct wireless_dev *pwdev = padapter->rtw_wdev;
3260 struct wiphy *wiphy = pwdev->wiphy;
3261
3262 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
3263
3264 DBG_8192C("%s:rf_type =%d\n", __func__, rf_type);
3265
3266 {
3267 bands = wiphy->bands[NL80211_BAND_2GHZ];
3268 if (bands)
3269 rtw_cfg80211_init_ht_capab(&bands->ht_cap, NL80211_BAND_2GHZ, rf_type);
3270 }
3271
3272 /* init regulary domain */
3273 rtw_regd_init(padapter, rtw_reg_notifier);
3274
3275 /* copy mac_addr to wiphy */
3276 memcpy(wiphy->perm_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
3277
3278 }
3279
rtw_cfg80211_preinit_wiphy(struct adapter * padapter,struct wiphy * wiphy)3280 static void rtw_cfg80211_preinit_wiphy(struct adapter *padapter, struct wiphy *wiphy)
3281 {
3282
3283 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3284
3285 wiphy->max_scan_ssids = RTW_SSID_SCAN_AMOUNT;
3286 wiphy->max_scan_ie_len = RTW_SCAN_IE_LEN_MAX;
3287 wiphy->max_num_pmkids = RTW_MAX_NUM_PMKIDS;
3288
3289 wiphy->max_remain_on_channel_duration = RTW_MAX_REMAIN_ON_CHANNEL_DURATION;
3290
3291 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
3292 | BIT(NL80211_IFTYPE_ADHOC)
3293 | BIT(NL80211_IFTYPE_AP)
3294 | BIT(NL80211_IFTYPE_MONITOR)
3295 ;
3296
3297 wiphy->mgmt_stypes = rtw_cfg80211_default_mgmt_stypes;
3298
3299 wiphy->software_iftypes |= BIT(NL80211_IFTYPE_MONITOR);
3300
3301 wiphy->cipher_suites = rtw_cipher_suites;
3302 wiphy->n_cipher_suites = ARRAY_SIZE(rtw_cipher_suites);
3303
3304 /* if (padapter->registrypriv.wireless_mode & WIRELESS_11G) */
3305 wiphy->bands[NL80211_BAND_2GHZ] = rtw_spt_band_alloc(NL80211_BAND_2GHZ);
3306
3307 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
3308 wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX | WIPHY_FLAG_HAVE_AP_SME;
3309
3310 #if defined(CONFIG_PM)
3311 wiphy->max_sched_scan_reqs = 1;
3312 #ifdef CONFIG_PNO_SUPPORT
3313 wiphy->max_sched_scan_ssids = MAX_PNO_LIST_COUNT;
3314 #endif
3315 #endif
3316
3317 #if defined(CONFIG_PM)
3318 wiphy->wowlan = &wowlan_stub;
3319 #endif
3320
3321 if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
3322 wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
3323 else
3324 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
3325 }
3326
3327 static struct cfg80211_ops rtw_cfg80211_ops = {
3328 .change_virtual_intf = cfg80211_rtw_change_iface,
3329 .add_key = cfg80211_rtw_add_key,
3330 .get_key = cfg80211_rtw_get_key,
3331 .del_key = cfg80211_rtw_del_key,
3332 .set_default_key = cfg80211_rtw_set_default_key,
3333 .get_station = cfg80211_rtw_get_station,
3334 .scan = cfg80211_rtw_scan,
3335 .set_wiphy_params = cfg80211_rtw_set_wiphy_params,
3336 .connect = cfg80211_rtw_connect,
3337 .disconnect = cfg80211_rtw_disconnect,
3338 .join_ibss = cfg80211_rtw_join_ibss,
3339 .leave_ibss = cfg80211_rtw_leave_ibss,
3340 .set_tx_power = cfg80211_rtw_set_txpower,
3341 .get_tx_power = cfg80211_rtw_get_txpower,
3342 .set_power_mgmt = cfg80211_rtw_set_power_mgmt,
3343 .set_pmksa = cfg80211_rtw_set_pmksa,
3344 .del_pmksa = cfg80211_rtw_del_pmksa,
3345 .flush_pmksa = cfg80211_rtw_flush_pmksa,
3346
3347 .add_virtual_intf = cfg80211_rtw_add_virtual_intf,
3348 .del_virtual_intf = cfg80211_rtw_del_virtual_intf,
3349
3350 .start_ap = cfg80211_rtw_start_ap,
3351 .change_beacon = cfg80211_rtw_change_beacon,
3352 .stop_ap = cfg80211_rtw_stop_ap,
3353
3354 .add_station = cfg80211_rtw_add_station,
3355 .del_station = cfg80211_rtw_del_station,
3356 .change_station = cfg80211_rtw_change_station,
3357 .dump_station = cfg80211_rtw_dump_station,
3358 .change_bss = cfg80211_rtw_change_bss,
3359
3360 .mgmt_tx = cfg80211_rtw_mgmt_tx,
3361
3362 #if defined(CONFIG_PNO_SUPPORT)
3363 .sched_scan_start = cfg80211_rtw_sched_scan_start,
3364 .sched_scan_stop = cfg80211_rtw_sched_scan_stop,
3365 #endif /* CONFIG_PNO_SUPPORT */
3366 };
3367
rtw_wdev_alloc(struct adapter * padapter,struct device * dev)3368 int rtw_wdev_alloc(struct adapter *padapter, struct device *dev)
3369 {
3370 int ret = 0;
3371 struct wiphy *wiphy;
3372 struct wireless_dev *wdev;
3373 struct rtw_wdev_priv *pwdev_priv;
3374 struct net_device *pnetdev = padapter->pnetdev;
3375
3376 DBG_8192C("%s(padapter =%p)\n", __func__, padapter);
3377
3378 /* wiphy */
3379 wiphy = wiphy_new(&rtw_cfg80211_ops, sizeof(struct adapter *));
3380 if (!wiphy) {
3381 DBG_8192C("Couldn't allocate wiphy device\n");
3382 ret = -ENOMEM;
3383 goto exit;
3384 }
3385 set_wiphy_dev(wiphy, dev);
3386 *((struct adapter **)wiphy_priv(wiphy)) = padapter;
3387 rtw_cfg80211_preinit_wiphy(padapter, wiphy);
3388
3389 ret = wiphy_register(wiphy);
3390 if (ret < 0) {
3391 DBG_8192C("Couldn't register wiphy device\n");
3392 goto free_wiphy;
3393 }
3394
3395 /* wdev */
3396 wdev = rtw_zmalloc(sizeof(struct wireless_dev));
3397 if (!wdev) {
3398 DBG_8192C("Couldn't allocate wireless device\n");
3399 ret = -ENOMEM;
3400 goto unregister_wiphy;
3401 }
3402 wdev->wiphy = wiphy;
3403 wdev->netdev = pnetdev;
3404
3405 wdev->iftype = NL80211_IFTYPE_STATION; /* will be init in rtw_hal_init() */
3406 /* Must sync with _rtw_init_mlme_priv() */
3407 /* pmlmepriv->fw_state = WIFI_STATION_STATE */
3408 padapter->rtw_wdev = wdev;
3409 pnetdev->ieee80211_ptr = wdev;
3410
3411 /* init pwdev_priv */
3412 pwdev_priv = adapter_wdev_data(padapter);
3413 pwdev_priv->rtw_wdev = wdev;
3414 pwdev_priv->pmon_ndev = NULL;
3415 pwdev_priv->ifname_mon[0] = '\0';
3416 pwdev_priv->padapter = padapter;
3417 pwdev_priv->scan_request = NULL;
3418 spin_lock_init(&pwdev_priv->scan_req_lock);
3419
3420 pwdev_priv->p2p_enabled = false;
3421 pwdev_priv->provdisc_req_issued = false;
3422 rtw_wdev_invit_info_init(&pwdev_priv->invit_info);
3423 rtw_wdev_nego_info_init(&pwdev_priv->nego_info);
3424
3425 pwdev_priv->bandroid_scan = false;
3426
3427 if (padapter->registrypriv.power_mgnt != PS_MODE_ACTIVE)
3428 pwdev_priv->power_mgmt = true;
3429 else
3430 pwdev_priv->power_mgmt = false;
3431
3432 return ret;
3433
3434 unregister_wiphy:
3435 wiphy_unregister(wiphy);
3436 free_wiphy:
3437 wiphy_free(wiphy);
3438 exit:
3439 return ret;
3440
3441 }
3442
rtw_wdev_free(struct wireless_dev * wdev)3443 void rtw_wdev_free(struct wireless_dev *wdev)
3444 {
3445 DBG_8192C("%s(wdev =%p)\n", __func__, wdev);
3446
3447 if (!wdev)
3448 return;
3449
3450 kfree(wdev->wiphy->bands[NL80211_BAND_2GHZ]);
3451
3452 wiphy_free(wdev->wiphy);
3453
3454 kfree(wdev);
3455 }
3456
rtw_wdev_unregister(struct wireless_dev * wdev)3457 void rtw_wdev_unregister(struct wireless_dev *wdev)
3458 {
3459 struct net_device *ndev;
3460 struct adapter *adapter;
3461 struct rtw_wdev_priv *pwdev_priv;
3462
3463 DBG_8192C("%s(wdev =%p)\n", __func__, wdev);
3464
3465 if (!wdev)
3466 return;
3467
3468 if (!(ndev = wdev_to_ndev(wdev)))
3469 return;
3470
3471 adapter = (struct adapter *)rtw_netdev_priv(ndev);
3472 pwdev_priv = adapter_wdev_data(adapter);
3473
3474 rtw_cfg80211_indicate_scan_done(adapter, true);
3475
3476 if (pwdev_priv->pmon_ndev) {
3477 DBG_8192C("%s, unregister monitor interface\n", __func__);
3478 unregister_netdev(pwdev_priv->pmon_ndev);
3479 }
3480
3481 wiphy_unregister(wdev->wiphy);
3482 }
3483