1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * This file contains wireless extension handlers.
5 *
6 * This is part of rtl8180 OpenSource driver.
7 * Copyright (C) Andrea Merello 2004-2005 <andrea.merello@gmail.com>
8 *
9 * Parts of this driver are based on the GPL part
10 * of the official realtek driver.
11 *
12 * Parts of this driver are based on the rtl8180 driver skeleton
13 * from Patric Schenke & Andres Salomon.
14 *
15 * Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver.
16 *
17 * We want to thank the Authors of those projects and the Ndiswrapper
18 * project Authors.
19 *
20 *****************************************************************************/
21
22 #include <linux/string.h>
23 #include "r8192U.h"
24 #include "r8192U_hw.h"
25
26 #include "dot11d.h"
27 #include "r8192U_wx.h"
28
29 #define RATE_COUNT 12
30 static const u32 rtl8180_rates[] = {1000000, 2000000, 5500000, 11000000,
31 6000000, 9000000, 12000000, 18000000, 24000000, 36000000, 48000000, 54000000};
32
33 #ifndef ENETDOWN
34 #define ENETDOWN 1
35 #endif
36
r8192_wx_get_freq(struct net_device * dev,struct iw_request_info * a,union iwreq_data * wrqu,char * b)37 static int r8192_wx_get_freq(struct net_device *dev,
38 struct iw_request_info *a,
39 union iwreq_data *wrqu, char *b)
40 {
41 struct r8192_priv *priv = ieee80211_priv(dev);
42
43 return ieee80211_wx_get_freq(priv->ieee80211, a, wrqu, b);
44 }
45
r8192_wx_get_mode(struct net_device * dev,struct iw_request_info * a,union iwreq_data * wrqu,char * b)46 static int r8192_wx_get_mode(struct net_device *dev, struct iw_request_info *a,
47 union iwreq_data *wrqu, char *b)
48 {
49 struct r8192_priv *priv = ieee80211_priv(dev);
50
51 return ieee80211_wx_get_mode(priv->ieee80211, a, wrqu, b);
52 }
53
r8192_wx_get_rate(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)54 static int r8192_wx_get_rate(struct net_device *dev,
55 struct iw_request_info *info,
56 union iwreq_data *wrqu, char *extra)
57 {
58 struct r8192_priv *priv = ieee80211_priv(dev);
59
60 return ieee80211_wx_get_rate(priv->ieee80211, info, wrqu, extra);
61 }
62
r8192_wx_set_rate(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)63 static int r8192_wx_set_rate(struct net_device *dev,
64 struct iw_request_info *info,
65 union iwreq_data *wrqu, char *extra)
66 {
67 int ret;
68 struct r8192_priv *priv = ieee80211_priv(dev);
69
70 mutex_lock(&priv->wx_mutex);
71
72 ret = ieee80211_wx_set_rate(priv->ieee80211, info, wrqu, extra);
73
74 mutex_unlock(&priv->wx_mutex);
75
76 return ret;
77 }
78
r8192_wx_set_rts(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)79 static int r8192_wx_set_rts(struct net_device *dev,
80 struct iw_request_info *info,
81 union iwreq_data *wrqu, char *extra)
82 {
83 int ret;
84 struct r8192_priv *priv = ieee80211_priv(dev);
85
86 mutex_lock(&priv->wx_mutex);
87
88 ret = ieee80211_wx_set_rts(priv->ieee80211, info, wrqu, extra);
89
90 mutex_unlock(&priv->wx_mutex);
91
92 return ret;
93 }
94
r8192_wx_get_rts(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)95 static int r8192_wx_get_rts(struct net_device *dev,
96 struct iw_request_info *info,
97 union iwreq_data *wrqu, char *extra)
98 {
99 struct r8192_priv *priv = ieee80211_priv(dev);
100
101 return ieee80211_wx_get_rts(priv->ieee80211, info, wrqu, extra);
102 }
103
r8192_wx_set_power(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)104 static int r8192_wx_set_power(struct net_device *dev,
105 struct iw_request_info *info,
106 union iwreq_data *wrqu, char *extra)
107 {
108 int ret;
109 struct r8192_priv *priv = ieee80211_priv(dev);
110
111 mutex_lock(&priv->wx_mutex);
112
113 ret = ieee80211_wx_set_power(priv->ieee80211, info, wrqu, extra);
114
115 mutex_unlock(&priv->wx_mutex);
116
117 return ret;
118 }
119
r8192_wx_get_power(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)120 static int r8192_wx_get_power(struct net_device *dev,
121 struct iw_request_info *info,
122 union iwreq_data *wrqu, char *extra)
123 {
124 struct r8192_priv *priv = ieee80211_priv(dev);
125
126 return ieee80211_wx_get_power(priv->ieee80211, info, wrqu, extra);
127 }
128
r8192_wx_force_reset(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)129 static int r8192_wx_force_reset(struct net_device *dev,
130 struct iw_request_info *info,
131 union iwreq_data *wrqu, char *extra)
132 {
133 struct r8192_priv *priv = ieee80211_priv(dev);
134
135 mutex_lock(&priv->wx_mutex);
136
137 netdev_dbg(dev, "%s(): force reset ! extra is %d\n", __func__, *extra);
138 priv->force_reset = *extra;
139 mutex_unlock(&priv->wx_mutex);
140 return 0;
141
142 }
143
r8192_wx_set_rawtx(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)144 static int r8192_wx_set_rawtx(struct net_device *dev,
145 struct iw_request_info *info,
146 union iwreq_data *wrqu, char *extra)
147 {
148 struct r8192_priv *priv = ieee80211_priv(dev);
149 int ret;
150
151 mutex_lock(&priv->wx_mutex);
152
153 ret = ieee80211_wx_set_rawtx(priv->ieee80211, info, wrqu, extra);
154
155 mutex_unlock(&priv->wx_mutex);
156
157 return ret;
158
159 }
160
r8192_wx_set_crcmon(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)161 static int r8192_wx_set_crcmon(struct net_device *dev,
162 struct iw_request_info *info,
163 union iwreq_data *wrqu, char *extra)
164 {
165 struct r8192_priv *priv = ieee80211_priv(dev);
166 int *parms = (int *)extra;
167 int enable = (parms[0] > 0);
168
169 mutex_lock(&priv->wx_mutex);
170
171 if (enable)
172 priv->crcmon = 1;
173 else
174 priv->crcmon = 0;
175
176 DMESG("bad CRC in monitor mode are %s",
177 priv->crcmon ? "accepted" : "rejected");
178
179 mutex_unlock(&priv->wx_mutex);
180
181 return 0;
182 }
183
r8192_wx_set_mode(struct net_device * dev,struct iw_request_info * a,union iwreq_data * wrqu,char * b)184 static int r8192_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
185 union iwreq_data *wrqu, char *b)
186 {
187 struct r8192_priv *priv = ieee80211_priv(dev);
188 int ret;
189
190 mutex_lock(&priv->wx_mutex);
191
192 ret = ieee80211_wx_set_mode(priv->ieee80211, a, wrqu, b);
193
194 rtl8192_set_rxconf(dev);
195
196 mutex_unlock(&priv->wx_mutex);
197 return ret;
198 }
199
200 struct iw_range_with_scan_capa {
201 /* Informative stuff (to choose between different interface) */
202 __u32 throughput; /* To give an idea... */
203 /* In theory this value should be the maximum benchmarked
204 * TCP/IP throughput, because with most of these devices the
205 * bit rate is meaningless (overhead an co) to estimate how
206 * fast the connection will go and pick the fastest one.
207 * I suggest people to play with Netperf or any benchmark...
208 */
209
210 /* NWID (or domain id) */
211 __u32 min_nwid; /* Minimal NWID we are able to set */
212 __u32 max_nwid; /* Maximal NWID we are able to set */
213
214 /* Old Frequency (backward compat - moved lower ) */
215 __u16 old_num_channels;
216 __u8 old_num_frequency;
217
218 /* Scan capabilities */
219 __u8 scan_capa;
220 };
rtl8180_wx_get_range(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)221 static int rtl8180_wx_get_range(struct net_device *dev,
222 struct iw_request_info *info,
223 union iwreq_data *wrqu, char *extra)
224 {
225 struct iw_range *range = (struct iw_range *)extra;
226 struct iw_range_with_scan_capa *tmp = (struct iw_range_with_scan_capa *)range;
227 struct r8192_priv *priv = ieee80211_priv(dev);
228 u16 val;
229 int i;
230
231 wrqu->data.length = sizeof(*range);
232 memset(range, 0, sizeof(*range));
233
234 /* Let's try to keep this struct in the same order as in
235 * linux/include/wireless.h
236 */
237
238 /* TODO: See what values we can set, and remove the ones we can't
239 * set, or fill them with some default data.
240 */
241
242 /* ~5 Mb/s real (802.11b) */
243 range->throughput = 5 * 1000 * 1000;
244
245 /* TODO: Not used in 802.11b? */
246 /* range->min_nwid; */ /* Minimal NWID we are able to set */
247 /* TODO: Not used in 802.11b? */
248 /* range->max_nwid; */ /* Maximal NWID we are able to set */
249
250 /* Old Frequency (backward compat - moved lower ) */
251 /* range->old_num_channels; */
252 /* range->old_num_frequency; */
253 /* range->old_freq[6]; */ /* Filler to keep "version" at the same offset */
254 if (priv->rf_set_sens != NULL)
255 range->sensitivity = priv->max_sens; /* signal level threshold range */
256
257 range->max_qual.qual = 100;
258 /* TODO: Find real max RSSI and stick here */
259 range->max_qual.level = 0;
260 range->max_qual.noise = 0x100 - 98;
261 range->max_qual.updated = 7; /* Updated all three */
262
263 range->avg_qual.qual = 92; /* > 8% missed beacons is 'bad' */
264 /* TODO: Find real 'good' to 'bad' threshold value for RSSI */
265 range->avg_qual.level = 0x100 - 78;
266 range->avg_qual.noise = 0;
267 range->avg_qual.updated = 7; /* Updated all three */
268
269 range->num_bitrates = RATE_COUNT;
270
271 for (i = 0; i < RATE_COUNT && i < IW_MAX_BITRATES; i++)
272 range->bitrate[i] = rtl8180_rates[i];
273
274 range->min_frag = MIN_FRAG_THRESHOLD;
275 range->max_frag = MAX_FRAG_THRESHOLD;
276
277 range->min_pmp = 0;
278 range->max_pmp = 5000000;
279 range->min_pmt = 0;
280 range->max_pmt = 65535*1000;
281 range->pmp_flags = IW_POWER_PERIOD;
282 range->pmt_flags = IW_POWER_TIMEOUT;
283 range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
284
285 range->we_version_compiled = WIRELESS_EXT;
286 range->we_version_source = 16;
287
288 /* range->retry_capa; */ /* What retry options are supported */
289 /* range->retry_flags; */ /* How to decode max/min retry limit */
290 /* range->r_time_flags; */ /* How to decode max/min retry life */
291 /* range->min_retry; */ /* Minimal number of retries */
292 /* range->max_retry; */ /* Maximal number of retries */
293 /* range->min_r_time; */ /* Minimal retry lifetime */
294 /* range->max_r_time; */ /* Maximal retry lifetime */
295
296 for (i = 0, val = 0; i < 14; i++) {
297
298 /* Include only legal frequencies for some countries */
299 if ((GET_DOT11D_INFO(priv->ieee80211)->channel_map)[i+1]) {
300 range->freq[val].i = i + 1;
301 range->freq[val].m = ieee80211_wlan_frequencies[i] * 100000;
302 range->freq[val].e = 1;
303 val++;
304 } else {
305 /* FIXME: do we need to set anything for channels */
306 /* we don't use ? */
307 }
308
309 if (val == IW_MAX_FREQUENCIES)
310 break;
311 }
312 range->num_frequency = val;
313 range->num_channels = val;
314 range->enc_capa = IW_ENC_CAPA_WPA|IW_ENC_CAPA_WPA2|
315 IW_ENC_CAPA_CIPHER_TKIP|IW_ENC_CAPA_CIPHER_CCMP;
316 tmp->scan_capa = 0x01;
317 return 0;
318 }
319
r8192_wx_set_scan(struct net_device * dev,struct iw_request_info * a,union iwreq_data * wrqu,char * b)320 static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
321 union iwreq_data *wrqu, char *b)
322 {
323 struct r8192_priv *priv = ieee80211_priv(dev);
324 struct ieee80211_device *ieee = priv->ieee80211;
325 int ret = 0;
326
327 if (!priv->up)
328 return -ENETDOWN;
329
330 if (priv->ieee80211->LinkDetectInfo.bBusyTraffic)
331 return -EAGAIN;
332 if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
333 struct iw_scan_req *req = (struct iw_scan_req *)b;
334
335 if (req->essid_len) {
336 ieee->current_network.ssid_len = req->essid_len;
337 memcpy(ieee->current_network.ssid, req->essid, req->essid_len);
338 }
339 }
340
341 mutex_lock(&priv->wx_mutex);
342 if (priv->ieee80211->state != IEEE80211_LINKED) {
343 priv->ieee80211->scanning = 0;
344 ieee80211_softmac_scan_syncro(priv->ieee80211);
345 ret = 0;
346 } else {
347 ret = ieee80211_wx_set_scan(priv->ieee80211, a, wrqu, b);
348 }
349 mutex_unlock(&priv->wx_mutex);
350 return ret;
351 }
352
353
r8192_wx_get_scan(struct net_device * dev,struct iw_request_info * a,union iwreq_data * wrqu,char * b)354 static int r8192_wx_get_scan(struct net_device *dev, struct iw_request_info *a,
355 union iwreq_data *wrqu, char *b)
356 {
357
358 int ret;
359 struct r8192_priv *priv = ieee80211_priv(dev);
360
361 if (!priv->up)
362 return -ENETDOWN;
363
364 mutex_lock(&priv->wx_mutex);
365
366 ret = ieee80211_wx_get_scan(priv->ieee80211, a, wrqu, b);
367
368 mutex_unlock(&priv->wx_mutex);
369
370 return ret;
371 }
372
r8192_wx_set_essid(struct net_device * dev,struct iw_request_info * a,union iwreq_data * wrqu,char * b)373 static int r8192_wx_set_essid(struct net_device *dev,
374 struct iw_request_info *a,
375 union iwreq_data *wrqu, char *b)
376 {
377 struct r8192_priv *priv = ieee80211_priv(dev);
378 int ret;
379
380 mutex_lock(&priv->wx_mutex);
381
382 ret = ieee80211_wx_set_essid(priv->ieee80211, a, wrqu, b);
383
384 mutex_unlock(&priv->wx_mutex);
385
386 return ret;
387 }
388
r8192_wx_get_essid(struct net_device * dev,struct iw_request_info * a,union iwreq_data * wrqu,char * b)389 static int r8192_wx_get_essid(struct net_device *dev,
390 struct iw_request_info *a,
391 union iwreq_data *wrqu, char *b)
392 {
393 int ret;
394 struct r8192_priv *priv = ieee80211_priv(dev);
395
396 mutex_lock(&priv->wx_mutex);
397
398 ret = ieee80211_wx_get_essid(priv->ieee80211, a, wrqu, b);
399
400 mutex_unlock(&priv->wx_mutex);
401
402 return ret;
403 }
404
r8192_wx_set_freq(struct net_device * dev,struct iw_request_info * a,union iwreq_data * wrqu,char * b)405 static int r8192_wx_set_freq(struct net_device *dev, struct iw_request_info *a,
406 union iwreq_data *wrqu, char *b)
407 {
408 int ret;
409 struct r8192_priv *priv = ieee80211_priv(dev);
410
411 mutex_lock(&priv->wx_mutex);
412
413 ret = ieee80211_wx_set_freq(priv->ieee80211, a, wrqu, b);
414
415 mutex_unlock(&priv->wx_mutex);
416 return ret;
417 }
418
r8192_wx_get_name(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)419 static int r8192_wx_get_name(struct net_device *dev,
420 struct iw_request_info *info,
421 union iwreq_data *wrqu, char *extra)
422 {
423 struct r8192_priv *priv = ieee80211_priv(dev);
424
425 return ieee80211_wx_get_name(priv->ieee80211, info, wrqu, extra);
426 }
427
r8192_wx_set_frag(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)428 static int r8192_wx_set_frag(struct net_device *dev,
429 struct iw_request_info *info,
430 union iwreq_data *wrqu, char *extra)
431 {
432 struct r8192_priv *priv = ieee80211_priv(dev);
433
434 if (wrqu->frag.disabled)
435 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
436 else {
437 if (wrqu->frag.value < MIN_FRAG_THRESHOLD ||
438 wrqu->frag.value > MAX_FRAG_THRESHOLD)
439 return -EINVAL;
440
441 priv->ieee80211->fts = wrqu->frag.value & ~0x1;
442 }
443
444 return 0;
445 }
446
447
r8192_wx_get_frag(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)448 static int r8192_wx_get_frag(struct net_device *dev,
449 struct iw_request_info *info,
450 union iwreq_data *wrqu, char *extra)
451 {
452 struct r8192_priv *priv = ieee80211_priv(dev);
453
454 wrqu->frag.value = priv->ieee80211->fts;
455 wrqu->frag.fixed = 0; /* no auto select */
456 wrqu->frag.disabled = (wrqu->frag.value == DEFAULT_FRAG_THRESHOLD);
457
458 return 0;
459 }
460
461
r8192_wx_set_wap(struct net_device * dev,struct iw_request_info * info,union iwreq_data * awrq,char * extra)462 static int r8192_wx_set_wap(struct net_device *dev,
463 struct iw_request_info *info,
464 union iwreq_data *awrq,
465 char *extra)
466 {
467
468 int ret;
469 struct r8192_priv *priv = ieee80211_priv(dev);
470 /* struct sockaddr *temp = (struct sockaddr *)awrq; */
471 mutex_lock(&priv->wx_mutex);
472
473 ret = ieee80211_wx_set_wap(priv->ieee80211, info, awrq, extra);
474
475 mutex_unlock(&priv->wx_mutex);
476
477 return ret;
478
479 }
480
r8192_wx_get_wap(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)481 static int r8192_wx_get_wap(struct net_device *dev,
482 struct iw_request_info *info,
483 union iwreq_data *wrqu, char *extra)
484 {
485 struct r8192_priv *priv = ieee80211_priv(dev);
486
487 return ieee80211_wx_get_wap(priv->ieee80211, info, wrqu, extra);
488 }
489
r8192_wx_get_enc(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * key)490 static int r8192_wx_get_enc(struct net_device *dev,
491 struct iw_request_info *info,
492 union iwreq_data *wrqu, char *key)
493 {
494 struct r8192_priv *priv = ieee80211_priv(dev);
495
496 return ieee80211_wx_get_encode(priv->ieee80211, info, wrqu, key);
497 }
498
r8192_wx_set_enc(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * key)499 static int r8192_wx_set_enc(struct net_device *dev,
500 struct iw_request_info *info,
501 union iwreq_data *wrqu, char *key)
502 {
503 struct r8192_priv *priv = ieee80211_priv(dev);
504 struct ieee80211_device *ieee = priv->ieee80211;
505 int ret;
506 u32 hwkey[4] = {0, 0, 0, 0};
507 u8 mask = 0xff;
508 u32 key_idx = 0;
509 u8 zero_addr[4][6] = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
510 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
511 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
512 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
513 int i;
514
515 if (!priv->up)
516 return -ENETDOWN;
517
518 mutex_lock(&priv->wx_mutex);
519
520 RT_TRACE(COMP_SEC, "Setting SW wep key");
521 ret = ieee80211_wx_set_encode(priv->ieee80211, info, wrqu, key);
522
523 mutex_unlock(&priv->wx_mutex);
524
525
526
527 /* sometimes, the length is zero while we do not type key value */
528 if (wrqu->encoding.length != 0) {
529
530 for (i = 0; i < 4; i++) {
531 hwkey[i] |= key[4*i+0]&mask;
532 if (i == 1 && (4*i+1) == wrqu->encoding.length)
533 mask = 0x00;
534 if (i == 3 && (4*i+1) == wrqu->encoding.length)
535 mask = 0x00;
536 hwkey[i] |= (key[4*i+1]&mask)<<8;
537 hwkey[i] |= (key[4*i+2]&mask)<<16;
538 hwkey[i] |= (key[4*i+3]&mask)<<24;
539 }
540
541 #define CONF_WEP40 0x4
542 #define CONF_WEP104 0x14
543
544 switch (wrqu->encoding.flags & IW_ENCODE_INDEX) {
545 case 0:
546 key_idx = ieee->tx_keyidx;
547 break;
548 case 1:
549 key_idx = 0;
550 break;
551 case 2:
552 key_idx = 1;
553 break;
554 case 3:
555 key_idx = 2;
556 break;
557 case 4:
558 key_idx = 3;
559 break;
560 default:
561 break;
562 }
563
564 if (wrqu->encoding.length == 0x5) {
565 ieee->pairwise_key_type = KEY_TYPE_WEP40;
566 EnableHWSecurityConfig8192(dev);
567
568 setKey(dev,
569 key_idx, /* EntryNo */
570 key_idx, /* KeyIndex */
571 KEY_TYPE_WEP40, /* KeyType */
572 zero_addr[key_idx],
573 0, /* DefaultKey */
574 hwkey); /* KeyContent */
575
576 }
577
578 else if (wrqu->encoding.length == 0xd) {
579 ieee->pairwise_key_type = KEY_TYPE_WEP104;
580 EnableHWSecurityConfig8192(dev);
581
582 setKey(dev,
583 key_idx, /* EntryNo */
584 key_idx, /* KeyIndex */
585 KEY_TYPE_WEP104, /* KeyType */
586 zero_addr[key_idx],
587 0, /* DefaultKey */
588 hwkey); /* KeyContent */
589
590 } else {
591 printk("wrong type in WEP, not WEP40 and WEP104\n");
592 }
593
594 }
595
596 return ret;
597 }
598
599
r8192_wx_set_scan_type(struct net_device * dev,struct iw_request_info * aa,union iwreq_data * wrqu,char * p)600 static int r8192_wx_set_scan_type(struct net_device *dev, struct iw_request_info *aa,
601 union iwreq_data *wrqu, char *p)
602 {
603
604 struct r8192_priv *priv = ieee80211_priv(dev);
605 int *parms = (int *)p;
606 int mode = parms[0];
607
608 priv->ieee80211->active_scan = mode;
609
610 return 1;
611 }
612
613
614
r8192_wx_set_retry(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)615 static int r8192_wx_set_retry(struct net_device *dev,
616 struct iw_request_info *info,
617 union iwreq_data *wrqu, char *extra)
618 {
619 struct r8192_priv *priv = ieee80211_priv(dev);
620 int err = 0;
621
622 mutex_lock(&priv->wx_mutex);
623
624 if (wrqu->retry.flags & IW_RETRY_LIFETIME ||
625 wrqu->retry.disabled){
626 err = -EINVAL;
627 goto exit;
628 }
629 if (!(wrqu->retry.flags & IW_RETRY_LIMIT)) {
630 err = -EINVAL;
631 goto exit;
632 }
633
634 if (wrqu->retry.value > R8180_MAX_RETRY) {
635 err = -EINVAL;
636 goto exit;
637 }
638 if (wrqu->retry.flags & IW_RETRY_MAX) {
639 priv->retry_rts = wrqu->retry.value;
640 DMESG("Setting retry for RTS/CTS data to %d", wrqu->retry.value);
641
642 } else {
643 priv->retry_data = wrqu->retry.value;
644 DMESG("Setting retry for non RTS/CTS data to %d", wrqu->retry.value);
645 }
646
647 /* FIXME !
648 * We might try to write directly the TX config register
649 * or to restart just the (R)TX process.
650 * I'm unsure if whole reset is really needed
651 */
652
653 rtl8192_commit(dev);
654 exit:
655 mutex_unlock(&priv->wx_mutex);
656
657 return err;
658 }
659
r8192_wx_get_retry(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)660 static int r8192_wx_get_retry(struct net_device *dev,
661 struct iw_request_info *info,
662 union iwreq_data *wrqu, char *extra)
663 {
664 struct r8192_priv *priv = ieee80211_priv(dev);
665
666
667 wrqu->retry.disabled = 0; /* can't be disabled */
668
669 if ((wrqu->retry.flags & IW_RETRY_TYPE) ==
670 IW_RETRY_LIFETIME)
671 return -EINVAL;
672
673 if (wrqu->retry.flags & IW_RETRY_MAX) {
674 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
675 wrqu->retry.value = priv->retry_rts;
676 } else {
677 wrqu->retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
678 wrqu->retry.value = priv->retry_data;
679 }
680
681 return 0;
682 }
683
r8192_wx_get_sens(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)684 static int r8192_wx_get_sens(struct net_device *dev,
685 struct iw_request_info *info,
686 union iwreq_data *wrqu, char *extra)
687 {
688 struct r8192_priv *priv = ieee80211_priv(dev);
689
690 if (priv->rf_set_sens == NULL)
691 return -1; /* we have not this support for this radio */
692 wrqu->sens.value = priv->sens;
693 return 0;
694 }
695
r8192_wx_set_sens(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)696 static int r8192_wx_set_sens(struct net_device *dev,
697 struct iw_request_info *info,
698 union iwreq_data *wrqu, char *extra)
699 {
700
701 struct r8192_priv *priv = ieee80211_priv(dev);
702 short err = 0;
703
704 mutex_lock(&priv->wx_mutex);
705 if (priv->rf_set_sens == NULL) {
706 err = -1; /* we have not this support for this radio */
707 goto exit;
708 }
709 if (priv->rf_set_sens(dev, wrqu->sens.value) == 0)
710 priv->sens = wrqu->sens.value;
711 else
712 err = -EINVAL;
713
714 exit:
715 mutex_unlock(&priv->wx_mutex);
716
717 return err;
718 }
719
720 /* hw security need to reorganized. */
r8192_wx_set_enc_ext(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)721 static int r8192_wx_set_enc_ext(struct net_device *dev,
722 struct iw_request_info *info,
723 union iwreq_data *wrqu, char *extra)
724 {
725 int ret = 0;
726 struct r8192_priv *priv = ieee80211_priv(dev);
727 struct ieee80211_device *ieee = priv->ieee80211;
728
729
730 mutex_lock(&priv->wx_mutex);
731 ret = ieee80211_wx_set_encode_ext(priv->ieee80211, info, wrqu, extra);
732
733 {
734 u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
735 u8 zero[6] = {0};
736 u32 key[4] = {0};
737 struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
738 struct iw_point *encoding = &wrqu->encoding;
739 u8 idx = 0, alg = 0, group = 0;
740
741 if ((encoding->flags & IW_ENCODE_DISABLED) || ext->alg == IW_ENCODE_ALG_NONE)
742 /* none is not allowed to use hwsec WB 2008.07.01 */
743 goto end_hw_sec;
744
745 /* as IW_ENCODE_ALG_CCMP is defined to be 3 and KEY_TYPE_CCMP is defined to 4; */
746 alg = (ext->alg == IW_ENCODE_ALG_CCMP)?KEY_TYPE_CCMP:ext->alg;
747 idx = encoding->flags & IW_ENCODE_INDEX;
748 if (idx)
749 idx--;
750 group = ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY;
751
752 if ((!group) || (IW_MODE_ADHOC == ieee->iw_mode) || (alg == KEY_TYPE_WEP40)) {
753 if ((ext->key_len == 13) && (alg == KEY_TYPE_WEP40))
754 alg = KEY_TYPE_WEP104;
755 ieee->pairwise_key_type = alg;
756 EnableHWSecurityConfig8192(dev);
757 }
758 memcpy((u8 *)key, ext->key, 16); /* we only get 16 bytes key.why? WB 2008.7.1 */
759
760 if ((alg & KEY_TYPE_WEP40) && (ieee->auth_mode != 2)) {
761
762 setKey(dev,
763 idx, /* EntryNao */
764 idx, /* KeyIndex */
765 alg, /* KeyType */
766 zero, /* MacAddr */
767 0, /* DefaultKey */
768 key); /* KeyContent */
769 } else if (group) {
770 ieee->group_key_type = alg;
771 setKey(dev,
772 idx, /* EntryNo */
773 idx, /* KeyIndex */
774 alg, /* KeyType */
775 broadcast_addr, /* MacAddr */
776 0, /* DefaultKey */
777 key); /* KeyContent */
778 } else { /* pairwise key */
779 setKey(dev,
780 4, /* EntryNo */
781 idx, /* KeyIndex */
782 alg, /* KeyType */
783 (u8 *)ieee->ap_mac_addr,/* MacAddr */
784 0, /* DefaultKey */
785 key); /* KeyContent */
786 }
787
788
789 }
790
791 end_hw_sec:
792
793 mutex_unlock(&priv->wx_mutex);
794 return ret;
795
796 }
r8192_wx_set_auth(struct net_device * dev,struct iw_request_info * info,union iwreq_data * data,char * extra)797 static int r8192_wx_set_auth(struct net_device *dev,
798 struct iw_request_info *info,
799 union iwreq_data *data, char *extra)
800 {
801 int ret = 0;
802 struct r8192_priv *priv = ieee80211_priv(dev);
803
804 mutex_lock(&priv->wx_mutex);
805 ret = ieee80211_wx_set_auth(priv->ieee80211, info, &(data->param), extra);
806 mutex_unlock(&priv->wx_mutex);
807 return ret;
808 }
809
r8192_wx_set_mlme(struct net_device * dev,struct iw_request_info * info,union iwreq_data * wrqu,char * extra)810 static int r8192_wx_set_mlme(struct net_device *dev,
811 struct iw_request_info *info,
812 union iwreq_data *wrqu, char *extra)
813 {
814
815 int ret = 0;
816 struct r8192_priv *priv = ieee80211_priv(dev);
817
818 mutex_lock(&priv->wx_mutex);
819 ret = ieee80211_wx_set_mlme(priv->ieee80211, info, wrqu, extra);
820
821 mutex_unlock(&priv->wx_mutex);
822 return ret;
823 }
824
r8192_wx_set_gen_ie(struct net_device * dev,struct iw_request_info * info,union iwreq_data * data,char * extra)825 static int r8192_wx_set_gen_ie(struct net_device *dev,
826 struct iw_request_info *info,
827 union iwreq_data *data, char *extra)
828 {
829 int ret = 0;
830 struct r8192_priv *priv = ieee80211_priv(dev);
831
832 mutex_lock(&priv->wx_mutex);
833 ret = ieee80211_wx_set_gen_ie(priv->ieee80211, extra, data->data.length);
834 mutex_unlock(&priv->wx_mutex);
835 return ret;
836
837
838 }
839
dummy(struct net_device * dev,struct iw_request_info * a,union iwreq_data * wrqu,char * b)840 static int dummy(struct net_device *dev, struct iw_request_info *a,
841 union iwreq_data *wrqu, char *b)
842 {
843 return -1;
844 }
845
846 static iw_handler r8192_wx_handlers[] = {
847 NULL, /* SIOCSIWCOMMIT */
848 r8192_wx_get_name, /* SIOCGIWNAME */
849 dummy, /* SIOCSIWNWID */
850 dummy, /* SIOCGIWNWID */
851 r8192_wx_set_freq, /* SIOCSIWFREQ */
852 r8192_wx_get_freq, /* SIOCGIWFREQ */
853 r8192_wx_set_mode, /* SIOCSIWMODE */
854 r8192_wx_get_mode, /* SIOCGIWMODE */
855 r8192_wx_set_sens, /* SIOCSIWSENS */
856 r8192_wx_get_sens, /* SIOCGIWSENS */
857 NULL, /* SIOCSIWRANGE */
858 rtl8180_wx_get_range, /* SIOCGIWRANGE */
859 NULL, /* SIOCSIWPRIV */
860 NULL, /* SIOCGIWPRIV */
861 NULL, /* SIOCSIWSTATS */
862 NULL, /* SIOCGIWSTATS */
863 dummy, /* SIOCSIWSPY */
864 dummy, /* SIOCGIWSPY */
865 NULL, /* SIOCGIWTHRSPY */
866 NULL, /* SIOCWIWTHRSPY */
867 r8192_wx_set_wap, /* SIOCSIWAP */
868 r8192_wx_get_wap, /* SIOCGIWAP */
869 r8192_wx_set_mlme, /* MLME-- */
870 dummy, /* SIOCGIWAPLIST -- deprecated */
871 r8192_wx_set_scan, /* SIOCSIWSCAN */
872 r8192_wx_get_scan, /* SIOCGIWSCAN */
873 r8192_wx_set_essid, /* SIOCSIWESSID */
874 r8192_wx_get_essid, /* SIOCGIWESSID */
875 dummy, /* SIOCSIWNICKN */
876 dummy, /* SIOCGIWNICKN */
877 NULL, /* -- hole -- */
878 NULL, /* -- hole -- */
879 r8192_wx_set_rate, /* SIOCSIWRATE */
880 r8192_wx_get_rate, /* SIOCGIWRATE */
881 r8192_wx_set_rts, /* SIOCSIWRTS */
882 r8192_wx_get_rts, /* SIOCGIWRTS */
883 r8192_wx_set_frag, /* SIOCSIWFRAG */
884 r8192_wx_get_frag, /* SIOCGIWFRAG */
885 dummy, /* SIOCSIWTXPOW */
886 dummy, /* SIOCGIWTXPOW */
887 r8192_wx_set_retry, /* SIOCSIWRETRY */
888 r8192_wx_get_retry, /* SIOCGIWRETRY */
889 r8192_wx_set_enc, /* SIOCSIWENCODE */
890 r8192_wx_get_enc, /* SIOCGIWENCODE */
891 r8192_wx_set_power, /* SIOCSIWPOWER */
892 r8192_wx_get_power, /* SIOCGIWPOWER */
893 NULL, /*---hole---*/
894 NULL, /*---hole---*/
895 r8192_wx_set_gen_ie, /* NULL, */ /* SIOCSIWGENIE */
896 NULL, /* SIOCSIWGENIE */
897
898 r8192_wx_set_auth,/* NULL, */ /* SIOCSIWAUTH */
899 NULL,/* r8192_wx_get_auth, */ /* NULL, */ /* SIOCSIWAUTH */
900 r8192_wx_set_enc_ext, /* SIOCSIWENCODEEXT */
901 NULL,/* r8192_wx_get_enc_ext, *//* NULL, */ /* SIOCSIWENCODEEXT */
902 NULL, /* SIOCSIWPMKSA */
903 NULL, /*---hole---*/
904
905 };
906
907
908 static const struct iw_priv_args r8192_private_args[] = {
909
910 {
911 SIOCIWFIRSTPRIV + 0x0,
912 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "badcrc"
913 },
914
915 {
916 SIOCIWFIRSTPRIV + 0x1,
917 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "activescan"
918
919 },
920 {
921 SIOCIWFIRSTPRIV + 0x2,
922 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rawtx"
923 },
924 {
925 SIOCIWFIRSTPRIV + 0x3,
926 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset"
927
928 }
929
930 };
931
932 static iw_handler r8192_private_handler[] = {
933 r8192_wx_set_crcmon,
934 r8192_wx_set_scan_type,
935 r8192_wx_set_rawtx,
936 r8192_wx_force_reset,
937 };
938
r8192_get_wireless_stats(struct net_device * dev)939 struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev)
940 {
941 struct r8192_priv *priv = ieee80211_priv(dev);
942 struct ieee80211_device *ieee = priv->ieee80211;
943 struct iw_statistics *wstats = &priv->wstats;
944 int tmp_level = 0;
945 int tmp_qual = 0;
946 int tmp_noise = 0;
947
948 if (ieee->state < IEEE80211_LINKED) {
949 wstats->qual.qual = 0;
950 wstats->qual.level = 0;
951 wstats->qual.noise = 0;
952 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
953 return wstats;
954 }
955
956 tmp_level = (&ieee->current_network)->stats.rssi;
957 tmp_qual = (&ieee->current_network)->stats.signal;
958 tmp_noise = (&ieee->current_network)->stats.noise;
959
960 wstats->qual.level = tmp_level;
961 wstats->qual.qual = tmp_qual;
962 wstats->qual.noise = tmp_noise;
963 wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
964 return wstats;
965 }
966
967 const struct iw_handler_def r8192_wx_handlers_def = {
968 .standard = r8192_wx_handlers,
969 .num_standard = ARRAY_SIZE(r8192_wx_handlers),
970 .private = r8192_private_handler,
971 .num_private = ARRAY_SIZE(r8192_private_handler),
972 .num_private_args = sizeof(r8192_private_args) / sizeof(struct iw_priv_args),
973 .get_wireless_stats = r8192_get_wireless_stats,
974 .private_args = (struct iw_priv_args *)r8192_private_args,
975 };
976
