1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
4 *
5 * Contact Information: wlanfae <wlanfae@realtek.com>
6 */
7#include <linux/string.h>
8#include "rtl_core.h"
9#include "rtl_wx.h"
10
11#define RATE_COUNT 12
12static u32 rtl8192_rates[] = {
13 1000000, 2000000, 5500000, 11000000, 6000000, 9000000, 12000000,
14 18000000, 24000000, 36000000, 48000000, 54000000
15};
16
17#ifndef ENETDOWN
18#define ENETDOWN 1
19#endif
20
21static int _rtl92e_wx_get_freq(struct net_device *dev,
22 struct iw_request_info *a,
23 union iwreq_data *wrqu, char *b)
24{
25 struct r8192_priv *priv = rtllib_priv(dev);
26
27 return rtllib_wx_get_freq(ieee: priv->rtllib, a, wrqu, b);
28}
29
30static int _rtl92e_wx_get_mode(struct net_device *dev,
31 struct iw_request_info *a,
32 union iwreq_data *wrqu, char *b)
33{
34 struct r8192_priv *priv = rtllib_priv(dev);
35
36 return rtllib_wx_get_mode(ieee: priv->rtllib, a, wrqu, b);
37}
38
39static int _rtl92e_wx_get_rate(struct net_device *dev,
40 struct iw_request_info *info,
41 union iwreq_data *wrqu, char *extra)
42{
43 struct r8192_priv *priv = rtllib_priv(dev);
44
45 return rtllib_wx_get_rate(ieee: priv->rtllib, info, wrqu, extra);
46}
47
48static int _rtl92e_wx_set_rate(struct net_device *dev,
49 struct iw_request_info *info,
50 union iwreq_data *wrqu, char *extra)
51{
52 int ret;
53 struct r8192_priv *priv = rtllib_priv(dev);
54
55 if (priv->hw_radio_off)
56 return 0;
57
58 mutex_lock(&priv->wx_mutex);
59
60 ret = rtllib_wx_set_rate(ieee: priv->rtllib, info, wrqu, extra);
61
62 mutex_unlock(lock: &priv->wx_mutex);
63
64 return ret;
65}
66
67static int _rtl92e_wx_set_rts(struct net_device *dev,
68 struct iw_request_info *info,
69 union iwreq_data *wrqu, char *extra)
70{
71 int ret;
72 struct r8192_priv *priv = rtllib_priv(dev);
73
74 if (priv->hw_radio_off)
75 return 0;
76
77 mutex_lock(&priv->wx_mutex);
78
79 ret = rtllib_wx_set_rts(ieee: priv->rtllib, info, wrqu, extra);
80
81 mutex_unlock(lock: &priv->wx_mutex);
82
83 return ret;
84}
85
86static int _rtl92e_wx_get_rts(struct net_device *dev,
87 struct iw_request_info *info,
88 union iwreq_data *wrqu, char *extra)
89{
90 struct r8192_priv *priv = rtllib_priv(dev);
91
92 return rtllib_wx_get_rts(ieee: priv->rtllib, info, wrqu, extra);
93}
94
95static int _rtl92e_wx_set_power(struct net_device *dev,
96 struct iw_request_info *info,
97 union iwreq_data *wrqu, char *extra)
98{
99 int ret;
100 struct r8192_priv *priv = rtllib_priv(dev);
101
102 if (priv->hw_radio_off) {
103 netdev_warn(dev, format: "%s(): Can't set Power: Radio is Off.\n",
104 __func__);
105 return 0;
106 }
107 mutex_lock(&priv->wx_mutex);
108
109 ret = rtllib_wx_set_power(ieee: priv->rtllib, info, wrqu, extra);
110
111 mutex_unlock(lock: &priv->wx_mutex);
112
113 return ret;
114}
115
116static int _rtl92e_wx_get_power(struct net_device *dev,
117 struct iw_request_info *info,
118 union iwreq_data *wrqu, char *extra)
119{
120 struct r8192_priv *priv = rtllib_priv(dev);
121
122 return rtllib_wx_get_power(ieee: priv->rtllib, info, wrqu, extra);
123}
124
125static int _rtl92e_wx_set_mode(struct net_device *dev,
126 struct iw_request_info *a,
127 union iwreq_data *wrqu, char *b)
128{
129 struct r8192_priv *priv = rtllib_priv(dev);
130
131 enum rt_rf_power_state rt_state;
132 int ret;
133
134 if (priv->hw_radio_off)
135 return 0;
136 rt_state = priv->rtllib->rf_power_state;
137 mutex_lock(&priv->wx_mutex);
138 if (wrqu->mode == IW_MODE_MONITOR) {
139 if (rt_state == rf_off) {
140 if (priv->rtllib->rf_off_reason >
141 RF_CHANGE_BY_IPS) {
142 netdev_warn(dev, format: "%s(): RF is OFF.\n",
143 __func__);
144 mutex_unlock(lock: &priv->wx_mutex);
145 return -1;
146 }
147 netdev_info(dev,
148 format: "=========>%s(): rtl92e_ips_leave\n",
149 __func__);
150 mutex_lock(&priv->rtllib->ips_mutex);
151 rtl92e_ips_leave(dev);
152 mutex_unlock(lock: &priv->rtllib->ips_mutex);
153 }
154 }
155 ret = rtllib_wx_set_mode(ieee: priv->rtllib, a, wrqu, b);
156
157 mutex_unlock(lock: &priv->wx_mutex);
158 return ret;
159}
160
161static int _rtl92e_wx_get_range(struct net_device *dev,
162 struct iw_request_info *info,
163 union iwreq_data *wrqu, char *extra)
164{
165 struct iw_range *range = (struct iw_range *)extra;
166 struct r8192_priv *priv = rtllib_priv(dev);
167 u16 val;
168 int i;
169
170 wrqu->data.length = sizeof(*range);
171 memset(range, 0, sizeof(*range));
172
173 /* ~130 Mb/s real (802.11n) */
174 range->throughput = 130 * 1000 * 1000;
175
176 range->max_qual.qual = 100;
177 range->max_qual.level = 0;
178 range->max_qual.noise = 0;
179 range->max_qual.updated = 7; /* Updated all three */
180
181 range->avg_qual.qual = 70; /* > 8% missed beacons is 'bad' */
182 range->avg_qual.level = 0;
183 range->avg_qual.noise = 0;
184 range->avg_qual.updated = 7; /* Updated all three */
185
186 range->num_bitrates = min(RATE_COUNT, IW_MAX_BITRATES);
187
188 for (i = 0; i < range->num_bitrates; i++)
189 range->bitrate[i] = rtl8192_rates[i];
190
191 range->max_rts = DEFAULT_RTS_THRESHOLD;
192 range->min_frag = MIN_FRAG_THRESHOLD;
193 range->max_frag = MAX_FRAG_THRESHOLD;
194
195 range->min_pmp = 0;
196 range->max_pmp = 5000000;
197 range->min_pmt = 0;
198 range->max_pmt = 65535 * 1000;
199 range->pmp_flags = IW_POWER_PERIOD;
200 range->pmt_flags = IW_POWER_TIMEOUT;
201 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
202 range->we_version_compiled = WIRELESS_EXT;
203 range->we_version_source = 18;
204
205 for (i = 0, val = 0; i < 14; i++) {
206 if ((priv->rtllib->active_channel_map)[i + 1]) {
207 s32 freq_khz;
208
209 range->freq[val].i = i + 1;
210 freq_khz = ieee80211_channel_to_freq_khz(chan: i + 1, band: NL80211_BAND_2GHZ);
211 range->freq[val].m = freq_khz * 100;
212 range->freq[val].e = 1;
213 val++;
214 }
215
216 if (val == IW_MAX_FREQUENCIES)
217 break;
218 }
219 range->num_frequency = val;
220 range->num_channels = val;
221 range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
222 IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
223 range->scan_capa = IW_SCAN_CAPA_ESSID | IW_SCAN_CAPA_TYPE;
224
225 /* Event capability (kernel + driver) */
226
227 return 0;
228}
229
230static int _rtl92e_wx_set_scan(struct net_device *dev,
231 struct iw_request_info *a,
232 union iwreq_data *wrqu, char *b)
233{
234 struct r8192_priv *priv = rtllib_priv(dev);
235 struct rtllib_device *ieee = priv->rtllib;
236 enum rt_rf_power_state rt_state;
237 int ret;
238
239 if (!(ieee->softmac_features & IEEE_SOFTMAC_SCAN)) {
240 if ((ieee->link_state >= RTLLIB_ASSOCIATING) &&
241 (ieee->link_state <= RTLLIB_ASSOCIATING_AUTHENTICATED))
242 return 0;
243 if ((priv->rtllib->link_state == MAC80211_LINKED) &&
244 (priv->rtllib->CntAfterLink < 2))
245 return 0;
246 }
247
248 if (priv->hw_radio_off) {
249 netdev_info(dev, format: "================>%s(): hwradio off\n",
250 __func__);
251 return 0;
252 }
253 rt_state = priv->rtllib->rf_power_state;
254 if (!priv->up)
255 return -ENETDOWN;
256 if (priv->rtllib->link_detect_info.busy_traffic)
257 return -EAGAIN;
258
259 if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
260 struct iw_scan_req *req = (struct iw_scan_req *)b;
261
262 if (req->essid_len) {
263 int len = min_t(int, req->essid_len, IW_ESSID_MAX_SIZE);
264
265 ieee->current_network.ssid_len = len;
266 memcpy(ieee->current_network.ssid, req->essid, len);
267 }
268 }
269
270 mutex_lock(&priv->wx_mutex);
271
272 priv->rtllib->first_ie_in_scan = true;
273
274 if (priv->rtllib->link_state != MAC80211_LINKED) {
275 if (rt_state == rf_off) {
276 if (priv->rtllib->rf_off_reason >
277 RF_CHANGE_BY_IPS) {
278 netdev_warn(dev, format: "%s(): RF is OFF.\n",
279 __func__);
280 mutex_unlock(lock: &priv->wx_mutex);
281 return -1;
282 }
283 mutex_lock(&priv->rtllib->ips_mutex);
284 rtl92e_ips_leave(dev);
285 mutex_unlock(lock: &priv->rtllib->ips_mutex);
286 }
287 rtllib_stop_scan(ieee: priv->rtllib);
288 if (priv->rtllib->rf_power_state != rf_off) {
289 priv->rtllib->actscanning = true;
290
291 ieee->ScanOperationBackupHandler(ieee->dev, SCAN_OPT_BACKUP);
292
293 rtllib_start_scan_syncro(ieee: priv->rtllib);
294
295 ieee->ScanOperationBackupHandler(ieee->dev, SCAN_OPT_RESTORE);
296 }
297 ret = 0;
298 } else {
299 priv->rtllib->actscanning = true;
300 ret = rtllib_wx_set_scan(ieee: priv->rtllib, a, wrqu, b);
301 }
302
303 mutex_unlock(lock: &priv->wx_mutex);
304 return ret;
305}
306
307static int _rtl92e_wx_get_scan(struct net_device *dev,
308 struct iw_request_info *a,
309 union iwreq_data *wrqu, char *b)
310{
311 int ret;
312 struct r8192_priv *priv = rtllib_priv(dev);
313
314 if (!priv->up)
315 return -ENETDOWN;
316
317 if (priv->hw_radio_off)
318 return 0;
319
320 mutex_lock(&priv->wx_mutex);
321
322 ret = rtllib_wx_get_scan(ieee: priv->rtllib, info: a, wrqu, key: b);
323
324 mutex_unlock(lock: &priv->wx_mutex);
325
326 return ret;
327}
328
329static int _rtl92e_wx_set_essid(struct net_device *dev,
330 struct iw_request_info *a,
331 union iwreq_data *wrqu, char *b)
332{
333 struct r8192_priv *priv = rtllib_priv(dev);
334 int ret;
335
336 if (priv->hw_radio_off) {
337 netdev_info(dev,
338 format: "=========>%s():hw radio off,or Rf state is rf_off, return\n",
339 __func__);
340 return 0;
341 }
342 mutex_lock(&priv->wx_mutex);
343 ret = rtllib_wx_set_essid(ieee: priv->rtllib, a, wrqu, extra: b);
344
345 mutex_unlock(lock: &priv->wx_mutex);
346
347 return ret;
348}
349
350static int _rtl92e_wx_get_essid(struct net_device *dev,
351 struct iw_request_info *a,
352 union iwreq_data *wrqu, char *b)
353{
354 int ret;
355 struct r8192_priv *priv = rtllib_priv(dev);
356
357 mutex_lock(&priv->wx_mutex);
358
359 ret = rtllib_wx_get_essid(ieee: priv->rtllib, a, wrqu, b);
360
361 mutex_unlock(lock: &priv->wx_mutex);
362
363 return ret;
364}
365
366static int _rtl92e_wx_set_nick(struct net_device *dev,
367 struct iw_request_info *info,
368 union iwreq_data *wrqu, char *extra)
369{
370 struct r8192_priv *priv = rtllib_priv(dev);
371
372 if (wrqu->data.length > IW_ESSID_MAX_SIZE)
373 return -E2BIG;
374 mutex_lock(&priv->wx_mutex);
375 wrqu->data.length = min_t(size_t, wrqu->data.length,
376 sizeof(priv->nick));
377 memset(priv->nick, 0, sizeof(priv->nick));
378 memcpy(priv->nick, extra, wrqu->data.length);
379 mutex_unlock(lock: &priv->wx_mutex);
380 return 0;
381}
382
383static int _rtl92e_wx_get_nick(struct net_device *dev,
384 struct iw_request_info *info,
385 union iwreq_data *wrqu, char *extra)
386{
387 struct r8192_priv *priv = rtllib_priv(dev);
388
389 mutex_lock(&priv->wx_mutex);
390 wrqu->data.length = strlen(priv->nick);
391 memcpy(extra, priv->nick, wrqu->data.length);
392 wrqu->data.flags = 1; /* active */
393 mutex_unlock(lock: &priv->wx_mutex);
394 return 0;
395}
396
397static int _rtl92e_wx_set_freq(struct net_device *dev,
398 struct iw_request_info *a,
399 union iwreq_data *wrqu, char *b)
400{
401 int ret;
402 struct r8192_priv *priv = rtllib_priv(dev);
403
404 if (priv->hw_radio_off)
405 return 0;
406
407 mutex_lock(&priv->wx_mutex);
408
409 ret = rtllib_wx_set_freq(ieee: priv->rtllib, a, wrqu, b);
410
411 mutex_unlock(lock: &priv->wx_mutex);
412 return ret;
413}
414
415static int _rtl92e_wx_get_name(struct net_device *dev,
416 struct iw_request_info *info,
417 union iwreq_data *wrqu, char *extra)
418{
419 struct r8192_priv *priv = rtllib_priv(dev);
420
421 return rtllib_wx_get_name(ieee: priv->rtllib, info, wrqu, extra);
422}
423
424static int _rtl92e_wx_set_frag(struct net_device *dev,
425 struct iw_request_info *info,
426 union iwreq_data *wrqu, char *extra)
427{
428 struct r8192_priv *priv = rtllib_priv(dev);
429
430 if (priv->hw_radio_off)
431 return 0;
432
433 if (wrqu->frag.disabled) {
434 priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD;
435 } else {
436 if (wrqu->frag.value < MIN_FRAG_THRESHOLD ||
437 wrqu->frag.value > MAX_FRAG_THRESHOLD)
438 return -EINVAL;
439
440 priv->rtllib->fts = wrqu->frag.value & ~0x1;
441 }
442
443 return 0;
444}
445
446static int _rtl92e_wx_get_frag(struct net_device *dev,
447 struct iw_request_info *info,
448 union iwreq_data *wrqu, char *extra)
449{
450 struct r8192_priv *priv = rtllib_priv(dev);
451
452 wrqu->frag.value = priv->rtllib->fts;
453 wrqu->frag.fixed = 0; /* no auto select */
454 wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FRAG_THRESHOLD);
455
456 return 0;
457}
458
459static int _rtl92e_wx_set_wap(struct net_device *dev,
460 struct iw_request_info *info,
461 union iwreq_data *awrq, char *extra)
462{
463 int ret;
464 struct r8192_priv *priv = rtllib_priv(dev);
465
466 if (priv->hw_radio_off)
467 return 0;
468
469 mutex_lock(&priv->wx_mutex);
470
471 ret = rtllib_wx_set_wap(ieee: priv->rtllib, info, awrq, extra);
472
473 mutex_unlock(lock: &priv->wx_mutex);
474
475 return ret;
476}
477
478static int _rtl92e_wx_get_wap(struct net_device *dev,
479 struct iw_request_info *info,
480 union iwreq_data *wrqu, char *extra)
481{
482 struct r8192_priv *priv = rtllib_priv(dev);
483
484 return rtllib_wx_get_wap(ieee: priv->rtllib, info, wrqu, ext: extra);
485}
486
487static int _rtl92e_wx_get_enc(struct net_device *dev,
488 struct iw_request_info *info,
489 union iwreq_data *wrqu, char *key)
490{
491 struct r8192_priv *priv = rtllib_priv(dev);
492
493 return rtllib_wx_get_encode(ieee: priv->rtllib, info, wrqu, key);
494}
495
496static int _rtl92e_wx_set_enc(struct net_device *dev,
497 struct iw_request_info *info,
498 union iwreq_data *wrqu, char *key)
499{
500 struct r8192_priv *priv = rtllib_priv(dev);
501 int ret;
502
503 struct rtllib_device *ieee = priv->rtllib;
504 u32 hwkey[4] = {0, 0, 0, 0};
505 u8 mask = 0xff;
506 u32 key_idx = 0;
507 u8 zero_addr[4][6] = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
508 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
509 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
510 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
511 int i;
512
513 if (priv->hw_radio_off)
514 return 0;
515
516 if (!priv->up)
517 return -ENETDOWN;
518
519 priv->rtllib->wx_set_enc = 1;
520 mutex_lock(&priv->rtllib->ips_mutex);
521 rtl92e_ips_leave(dev);
522 mutex_unlock(lock: &priv->rtllib->ips_mutex);
523 mutex_lock(&priv->wx_mutex);
524
525 ret = rtllib_wx_set_encode(ieee: priv->rtllib, info, wrqu, key);
526 mutex_unlock(lock: &priv->wx_mutex);
527
528 if (wrqu->encoding.flags & IW_ENCODE_DISABLED) {
529 ieee->pairwise_key_type = ieee->group_key_type = KEY_TYPE_NA;
530 rtl92e_cam_reset(dev);
531 memset(priv->rtllib->swcamtable, 0,
532 sizeof(struct sw_cam_table) * 32);
533 goto end_hw_sec;
534 }
535 if (wrqu->encoding.length != 0) {
536 for (i = 0; i < 4; i++) {
537 hwkey[i] |= key[4 * i + 0] & mask;
538 if (i == 1 && (4 * i + 1) == wrqu->encoding.length)
539 mask = 0x00;
540 if (i == 3 && (4 * i + 1) == wrqu->encoding.length)
541 mask = 0x00;
542 hwkey[i] |= (key[4 * i + 1] & mask) << 8;
543 hwkey[i] |= (key[4 * i + 2] & mask) << 16;
544 hwkey[i] |= (key[4 * i + 3] & mask) << 24;
545 }
546
547 switch (wrqu->encoding.flags & IW_ENCODE_INDEX) {
548 case 0:
549 key_idx = ieee->crypt_info.tx_keyidx;
550 break;
551 case 1:
552 key_idx = 0;
553 break;
554 case 2:
555 key_idx = 1;
556 break;
557 case 3:
558 key_idx = 2;
559 break;
560 case 4:
561 key_idx = 3;
562 break;
563 default:
564 break;
565 }
566 if (wrqu->encoding.length == 0x5) {
567 ieee->pairwise_key_type = KEY_TYPE_WEP40;
568 rtl92e_enable_hw_security_config(dev);
569 }
570
571 else if (wrqu->encoding.length == 0xd) {
572 ieee->pairwise_key_type = KEY_TYPE_WEP104;
573 rtl92e_enable_hw_security_config(dev);
574 rtl92e_set_key(dev, EntryNo: key_idx, KeyIndex: key_idx, KEY_TYPE_WEP104,
575 MacAddr: zero_addr[key_idx], DefaultKey: 0, KeyContent: hwkey);
576 rtl92e_set_swcam(dev, EntryNo: key_idx, KeyIndex: key_idx, KEY_TYPE_WEP104,
577 MacAddr: zero_addr[key_idx], KeyContent: hwkey);
578 } else {
579 netdev_info(dev,
580 format: "wrong type in WEP, not WEP40 and WEP104\n");
581 }
582 }
583
584end_hw_sec:
585 priv->rtllib->wx_set_enc = 0;
586 return ret;
587}
588
589#define R8192_MAX_RETRY 255
590static int _rtl92e_wx_set_retry(struct net_device *dev,
591 struct iw_request_info *info,
592 union iwreq_data *wrqu, char *extra)
593{
594 struct r8192_priv *priv = rtllib_priv(dev);
595 int err = 0;
596
597 if (priv->hw_radio_off)
598 return 0;
599
600 mutex_lock(&priv->wx_mutex);
601
602 if (wrqu->retry.flags & IW_RETRY_LIFETIME ||
603 wrqu->retry.disabled) {
604 err = -EINVAL;
605 goto exit;
606 }
607 if (!(wrqu->retry.flags & IW_RETRY_LIMIT)) {
608 err = -EINVAL;
609 goto exit;
610 }
611
612 if (wrqu->retry.value > R8192_MAX_RETRY) {
613 err = -EINVAL;
614 goto exit;
615 }
616 if (wrqu->retry.flags & IW_RETRY_MAX)
617 priv->retry_rts = wrqu->retry.value;
618 else
619 priv->retry_data = wrqu->retry.value;
620
621 rtl92e_commit(dev);
622exit:
623 mutex_unlock(lock: &priv->wx_mutex);
624
625 return err;
626}
627
628static int _rtl92e_wx_get_retry(struct net_device *dev,
629 struct iw_request_info *info,
630 union iwreq_data *wrqu, char *extra)
631{
632 struct r8192_priv *priv = rtllib_priv(dev);
633
634 wrqu->retry.disabled = 0; /* can't be disabled */
635
636 if ((wrqu->retry.flags & IW_RETRY_TYPE) ==
637 IW_RETRY_LIFETIME)
638 return -EINVAL;
639
640 if (wrqu->retry.flags & IW_RETRY_MAX) {
641 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
642 wrqu->retry.value = priv->retry_rts;
643 } else {
644 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
645 wrqu->retry.value = priv->retry_data;
646 }
647 return 0;
648}
649
650static int _rtl92e_wx_set_encode_ext(struct net_device *dev,
651 struct iw_request_info *info,
652 union iwreq_data *wrqu, char *extra)
653{
654 int ret = 0;
655 struct r8192_priv *priv = rtllib_priv(dev);
656 struct rtllib_device *ieee = priv->rtllib;
657
658 if (priv->hw_radio_off)
659 return 0;
660
661 mutex_lock(&priv->wx_mutex);
662
663 priv->rtllib->wx_set_enc = 1;
664 mutex_lock(&priv->rtllib->ips_mutex);
665 rtl92e_ips_leave(dev);
666 mutex_unlock(lock: &priv->rtllib->ips_mutex);
667
668 ret = rtllib_wx_set_encode_ext(ieee, info, wrqu, extra);
669 {
670 const u8 broadcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
671 const u8 zero[ETH_ALEN] = {0};
672 u32 key[4] = {0};
673 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
674 struct iw_point *encoding = &wrqu->encoding;
675 u8 idx = 0, alg = 0, group = 0;
676
677 if ((encoding->flags & IW_ENCODE_DISABLED) ||
678 ext->alg == IW_ENCODE_ALG_NONE) {
679 ieee->pairwise_key_type = ieee->group_key_type
680 = KEY_TYPE_NA;
681 rtl92e_cam_reset(dev);
682 memset(priv->rtllib->swcamtable, 0,
683 sizeof(struct sw_cam_table) * 32);
684 goto end_hw_sec;
685 }
686 alg = (ext->alg == IW_ENCODE_ALG_CCMP) ? KEY_TYPE_CCMP :
687 ext->alg;
688 idx = encoding->flags & IW_ENCODE_INDEX;
689 if (idx)
690 idx--;
691 group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY;
692
693 if ((!group) || (alg == KEY_TYPE_WEP40)) {
694 if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40))
695 alg = KEY_TYPE_WEP104;
696 ieee->pairwise_key_type = alg;
697 rtl92e_enable_hw_security_config(dev);
698 }
699 memcpy((u8 *)key, ext->key, 16);
700
701 if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) {
702 if (ext->key_len == 13)
703 ieee->pairwise_key_type = alg = KEY_TYPE_WEP104;
704 rtl92e_set_key(dev, EntryNo: idx, KeyIndex: idx, KeyType: alg, MacAddr: zero, DefaultKey: 0, KeyContent: key);
705 rtl92e_set_swcam(dev, EntryNo: idx, KeyIndex: idx, KeyType: alg, MacAddr: zero, KeyContent: key);
706 } else if (group) {
707 ieee->group_key_type = alg;
708 rtl92e_set_key(dev, EntryNo: idx, KeyIndex: idx, KeyType: alg, MacAddr: broadcast_addr, DefaultKey: 0,
709 KeyContent: key);
710 rtl92e_set_swcam(dev, EntryNo: idx, KeyIndex: idx, KeyType: alg, MacAddr: broadcast_addr, KeyContent: key);
711 } else {
712 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
713 ieee->ht_info->current_ht_support)
714 rtl92e_writeb(dev, x: 0x173, y: 1);
715 rtl92e_set_key(dev, EntryNo: 4, KeyIndex: idx, KeyType: alg,
716 MacAddr: (u8 *)ieee->ap_mac_addr, DefaultKey: 0, KeyContent: key);
717 rtl92e_set_swcam(dev, EntryNo: 4, KeyIndex: idx, KeyType: alg, MacAddr: (u8 *)ieee->ap_mac_addr, KeyContent: key);
718 }
719 }
720
721end_hw_sec:
722 priv->rtllib->wx_set_enc = 0;
723 mutex_unlock(lock: &priv->wx_mutex);
724 return ret;
725}
726
727static int _rtl92e_wx_set_auth(struct net_device *dev,
728 struct iw_request_info *info,
729 union iwreq_data *data, char *extra)
730{
731 int ret = 0;
732
733 struct r8192_priv *priv = rtllib_priv(dev);
734
735 if (priv->hw_radio_off)
736 return 0;
737
738 mutex_lock(&priv->wx_mutex);
739 ret = rtllib_wx_set_auth(ieee: priv->rtllib, info, data: &data->param, extra);
740 mutex_unlock(lock: &priv->wx_mutex);
741 return ret;
742}
743
744static int _rtl92e_wx_set_mlme(struct net_device *dev,
745 struct iw_request_info *info,
746 union iwreq_data *wrqu, char *extra)
747{
748 int ret = 0;
749
750 struct r8192_priv *priv = rtllib_priv(dev);
751
752 if (priv->hw_radio_off)
753 return 0;
754
755 mutex_lock(&priv->wx_mutex);
756 ret = rtllib_wx_set_mlme(ieee: priv->rtllib, info, wrqu, extra);
757 mutex_unlock(lock: &priv->wx_mutex);
758 return ret;
759}
760
761static int _rtl92e_wx_set_gen_ie(struct net_device *dev,
762 struct iw_request_info *info,
763 union iwreq_data *data, char *extra)
764{
765 int ret = 0;
766
767 struct r8192_priv *priv = rtllib_priv(dev);
768
769 if (priv->hw_radio_off)
770 return 0;
771
772 mutex_lock(&priv->wx_mutex);
773 ret = rtllib_wx_set_gen_ie(ieee: priv->rtllib, ie: extra, len: data->data.length);
774 mutex_unlock(lock: &priv->wx_mutex);
775 return ret;
776}
777
778static int _rtl92e_wx_get_gen_ie(struct net_device *dev,
779 struct iw_request_info *info,
780 union iwreq_data *data, char *extra)
781{
782 int ret = 0;
783 struct r8192_priv *priv = rtllib_priv(dev);
784 struct rtllib_device *ieee = priv->rtllib;
785
786 if (ieee->wpa_ie_len == 0 || !ieee->wpa_ie) {
787 data->data.length = 0;
788 return 0;
789 }
790
791 if (data->data.length < ieee->wpa_ie_len)
792 return -E2BIG;
793
794 data->data.length = ieee->wpa_ie_len;
795 memcpy(extra, ieee->wpa_ie, ieee->wpa_ie_len);
796 return ret;
797}
798
799#define IW_IOCTL(x) ((x) - SIOCSIWCOMMIT)
800static iw_handler r8192_wx_handlers[] = {
801 [IW_IOCTL(SIOCGIWNAME)] = _rtl92e_wx_get_name,
802 [IW_IOCTL(SIOCSIWFREQ)] = _rtl92e_wx_set_freq,
803 [IW_IOCTL(SIOCGIWFREQ)] = _rtl92e_wx_get_freq,
804 [IW_IOCTL(SIOCSIWMODE)] = _rtl92e_wx_set_mode,
805 [IW_IOCTL(SIOCGIWMODE)] = _rtl92e_wx_get_mode,
806 [IW_IOCTL(SIOCGIWRANGE)] = _rtl92e_wx_get_range,
807 [IW_IOCTL(SIOCSIWAP)] = _rtl92e_wx_set_wap,
808 [IW_IOCTL(SIOCGIWAP)] = _rtl92e_wx_get_wap,
809 [IW_IOCTL(SIOCSIWSCAN)] = _rtl92e_wx_set_scan,
810 [IW_IOCTL(SIOCGIWSCAN)] = _rtl92e_wx_get_scan,
811 [IW_IOCTL(SIOCSIWESSID)] = _rtl92e_wx_set_essid,
812 [IW_IOCTL(SIOCGIWESSID)] = _rtl92e_wx_get_essid,
813 [IW_IOCTL(SIOCSIWNICKN)] = _rtl92e_wx_set_nick,
814 [IW_IOCTL(SIOCGIWNICKN)] = _rtl92e_wx_get_nick,
815 [IW_IOCTL(SIOCSIWRATE)] = _rtl92e_wx_set_rate,
816 [IW_IOCTL(SIOCGIWRATE)] = _rtl92e_wx_get_rate,
817 [IW_IOCTL(SIOCSIWRTS)] = _rtl92e_wx_set_rts,
818 [IW_IOCTL(SIOCGIWRTS)] = _rtl92e_wx_get_rts,
819 [IW_IOCTL(SIOCSIWFRAG)] = _rtl92e_wx_set_frag,
820 [IW_IOCTL(SIOCGIWFRAG)] = _rtl92e_wx_get_frag,
821 [IW_IOCTL(SIOCSIWRETRY)] = _rtl92e_wx_set_retry,
822 [IW_IOCTL(SIOCGIWRETRY)] = _rtl92e_wx_get_retry,
823 [IW_IOCTL(SIOCSIWENCODE)] = _rtl92e_wx_set_enc,
824 [IW_IOCTL(SIOCGIWENCODE)] = _rtl92e_wx_get_enc,
825 [IW_IOCTL(SIOCSIWPOWER)] = _rtl92e_wx_set_power,
826 [IW_IOCTL(SIOCGIWPOWER)] = _rtl92e_wx_get_power,
827 [IW_IOCTL(SIOCSIWGENIE)] = _rtl92e_wx_set_gen_ie,
828 [IW_IOCTL(SIOCGIWGENIE)] = _rtl92e_wx_get_gen_ie,
829 [IW_IOCTL(SIOCSIWMLME)] = _rtl92e_wx_set_mlme,
830 [IW_IOCTL(SIOCSIWAUTH)] = _rtl92e_wx_set_auth,
831 [IW_IOCTL(SIOCSIWENCODEEXT)] = _rtl92e_wx_set_encode_ext,
832};
833
834static struct iw_statistics *_rtl92e_get_wireless_stats(struct net_device *dev)
835{
836 struct r8192_priv *priv = rtllib_priv(dev);
837 struct rtllib_device *ieee = priv->rtllib;
838 struct iw_statistics *wstats = &priv->wstats;
839 int tmp_level = 0;
840 int tmp_qual = 0;
841 int tmp_noise = 0;
842
843 if (ieee->link_state < MAC80211_LINKED) {
844 wstats->qual.qual = 10;
845 wstats->qual.level = 0;
846 wstats->qual.noise = 0x100 - 100; /* -100 dBm */
847 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
848 return wstats;
849 }
850
851 tmp_level = (&ieee->current_network)->stats.rssi;
852 tmp_qual = (&ieee->current_network)->stats.signal;
853 tmp_noise = (&ieee->current_network)->stats.noise;
854
855 wstats->qual.level = tmp_level;
856 wstats->qual.qual = tmp_qual;
857 wstats->qual.noise = tmp_noise;
858 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
859 return wstats;
860}
861
862const struct iw_handler_def r8192_wx_handlers_def = {
863 .standard = r8192_wx_handlers,
864 .num_standard = ARRAY_SIZE(r8192_wx_handlers),
865 .get_wireless_stats = _rtl92e_get_wireless_stats,
866};
867

source code of linux/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c