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