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Merge branch 'master' into next
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / wlan-ng / cfg80211.c
CommitLineData
cb3126e6
KR		 1/* cfg80211 Interface for prism2_usb module */
2
3
4/* Prism2 channell/frequency/bitrate declarations */
5static const struct ieee80211_channel prism2_channels[] = {
6 { .center_freq = 2412 },
7 { .center_freq = 2417 },
8 { .center_freq = 2422 },
9 { .center_freq = 2427 },
10 { .center_freq = 2432 },
11 { .center_freq = 2437 },
12 { .center_freq = 2442 },
13 { .center_freq = 2447 },
14 { .center_freq = 2452 },
15 { .center_freq = 2457 },
16 { .center_freq = 2462 },
17 { .center_freq = 2467 },
18 { .center_freq = 2472 },
19 { .center_freq = 2484 },
20};
21
22static const struct ieee80211_rate prism2_rates[] = {
23 { .bitrate = 10 },
24 { .bitrate = 20 },
25 { .bitrate = 55 },
26 { .bitrate = 110 }
27};
28
29#define PRISM2_NUM_CIPHER_SUITES 2
30static const u32 prism2_cipher_suites[PRISM2_NUM_CIPHER_SUITES] = {
31 WLAN_CIPHER_SUITE_WEP40,
32 WLAN_CIPHER_SUITE_WEP104
33};
34
35
36/* prism2 device private data */
37struct prism2_wiphy_private {
38 wlandevice_t *wlandev;
39
40 struct ieee80211_supported_band band;
41 struct ieee80211_channel channels[ARRAY_SIZE(prism2_channels)];
42 struct ieee80211_rate rates[ARRAY_SIZE(prism2_rates)];
43
44 struct cfg80211_scan_request *scan_request;
45};
46
47static const void * const prism2_wiphy_privid = &prism2_wiphy_privid;
48
49
50/* Helper Functions */
51static int prism2_result2err(int prism2_result)
52{
53 int err = 0;
54
55 switch (prism2_result) {
56 case P80211ENUM_resultcode_invalid_parameters:
57 err = -EINVAL;
58 break;
59 case P80211ENUM_resultcode_implementation_failure:
60 err = -EIO;
61 break;
62 case P80211ENUM_resultcode_not_supported:
63 err = -EOPNOTSUPP;
64 break;
65 default:
66 err = 0;
67 break;
68 }
69
70 return err;
71}
72
73static int prism2_domibset_uint32(wlandevice_t *wlandev, u32 did, u32 data)
74{
b6bb56e6 75 struct p80211msg_dot11req_mibset msg;
cb3126e6
KR		 76 p80211item_uint32_t *mibitem = (p80211item_uint32_t *) &msg.mibattribute.data;
77
78 msg.msgcode = DIDmsg_dot11req_mibset;
79 mibitem->did = did;
80 mibitem->data = data;
81
8dd82ebe 82 return p80211req_dorequest(wlandev, (u8 *) &msg);
cb3126e6
KR		 83}
84
85static int prism2_domibset_pstr32(wlandevice_t *wlandev,
86 u32 did, u8 len, u8 *data)
87{
b6bb56e6 88 struct p80211msg_dot11req_mibset msg;
cb3126e6
KR		 89 p80211item_pstr32_t *mibitem = (p80211item_pstr32_t *) &msg.mibattribute.data;
90
91 msg.msgcode = DIDmsg_dot11req_mibset;
92 mibitem->did = did;
93 mibitem->data.len = len;
94 memcpy(mibitem->data.data, data, len);
95
8dd82ebe 96 return p80211req_dorequest(wlandev, (u8 *) &msg);
cb3126e6
KR		 97}
98
99
100/* The interface functions, called by the cfg80211 layer */
101int prism2_change_virtual_intf(struct wiphy *wiphy,
102 struct net_device *dev,
103 enum nl80211_iftype type, u32 *flags,
104 struct vif_params *params)
105{
106 wlandevice_t *wlandev = dev->ml_priv;
107 u32 data;
108 int result;
109 int err = 0;
110
111 switch (type) {
112 case NL80211_IFTYPE_ADHOC:
8dd82ebe
EH		 113 if (wlandev->macmode == WLAN_MACMODE_IBSS_STA)
114 goto exit;
cb3126e6
KR		 115 wlandev->macmode = WLAN_MACMODE_IBSS_STA;
116 data = 0;
117 break;
118 case NL80211_IFTYPE_STATION:
8dd82ebe
EH		 119 if (wlandev->macmode == WLAN_MACMODE_ESS_STA)
120 goto exit;
cb3126e6
KR		 121 wlandev->macmode = WLAN_MACMODE_ESS_STA;
122 data = 1;
123 break;
124 default:
125 printk(KERN_WARNING "Operation mode: %d not support\n", type);
126 return -EOPNOTSUPP;
127 }
128
129 /* Set Operation mode to the PORT TYPE RID */
130 result = prism2_domibset_uint32(wlandev, DIDmib_p2_p2Static_p2CnfPortType, data);
131
132 if (result)
133 err = -EFAULT;
8dd82ebe 134
cb3126e6
KR		 135 dev->ieee80211_ptr->iftype = type;
136
137exit:
138 return err;
139}
140
141int prism2_add_key(struct wiphy *wiphy, struct net_device *dev,
34a488c1 142 u8 key_index, bool pairwise, const u8 *mac_addr,
8dd82ebe
EH		 143 struct key_params *params)
144{
cb3126e6
KR		 145 wlandevice_t *wlandev = dev->ml_priv;
146 u32 did;
147
148 int err = 0;
149 int result = 0;
150
151 switch (params->cipher) {
152 case WLAN_CIPHER_SUITE_WEP40:
153 case WLAN_CIPHER_SUITE_WEP104:
154 result = prism2_domibset_uint32(wlandev,
8dd82ebe
EH		 155 DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
156 key_index);
157 if (result)
158 goto exit;
cb3126e6
KR		 159
160 /* send key to driver */
161 switch (key_index) {
162 case 0:
8dd82ebe 163 did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0;
cb3126e6
KR		 164 break;
165
166 case 1:
8dd82ebe 167 did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1;
cb3126e6
KR		 168 break;
169
170 case 2:
8dd82ebe 171 did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2;
cb3126e6
KR		 172 break;
173
174 case 3:
8dd82ebe 175 did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3;
cb3126e6
KR		 176 break;
177
178 default:
179 err = -EINVAL;
180 goto exit;
181 }
182
183 result = prism2_domibset_pstr32(wlandev, did, params->key_len, params->key);
8dd82ebe
EH		 184 if (result)
185 goto exit;
cb3126e6
KR		 186 break;
187
188 default:
189 pr_debug("Unsupported cipher suite\n");
190 result = 1;
191 }
192
193exit:
8dd82ebe
EH		 194 if (result)
195 err = -EFAULT;
cb3126e6
KR		 196
197 return err;
198}
199
200int prism2_get_key(struct wiphy *wiphy, struct net_device *dev,
34a488c1 201 u8 key_index, bool pairwise, const u8 *mac_addr, void *cookie,
8dd82ebe
EH		 202 void (*callback)(void *cookie, struct key_params*))
203{
cb3126e6
KR		 204 wlandevice_t *wlandev = dev->ml_priv;
205 struct key_params params;
206 int len;
207
8dd82ebe
EH		 208 if (key_index >= NUM_WEPKEYS)
209 return -EINVAL;
cb3126e6
KR		 210
211 len = wlandev->wep_keylens[key_index];
212 memset(&params, 0, sizeof(params));
213
8dd82ebe 214 if (len == 13)
cb3126e6 215 params.cipher = WLAN_CIPHER_SUITE_WEP104;
8dd82ebe 216 else if (len == 5)
cb3126e6 217 params.cipher = WLAN_CIPHER_SUITE_WEP104;
8dd82ebe
EH		 218 else
219 return -ENOENT;
cb3126e6
KR		 220 params.key_len = len;
221 params.key = wlandev->wep_keys[key_index];
aff3ea4e 222 params.seq_len = 0;
cb3126e6
KR		 223
224 callback(cookie, &params);
8dd82ebe 225
cb3126e6
KR		 226 return 0;
227}
228
229int prism2_del_key(struct wiphy *wiphy, struct net_device *dev,
34a488c1 230 u8 key_index, bool pairwise, const u8 *mac_addr)
8dd82ebe 231{
cb3126e6
KR		 232 wlandevice_t *wlandev = dev->ml_priv;
233 u32 did;
234 int err = 0;
235 int result = 0;
236
237 /* There is no direct way in the hardware (AFAIK) of removing
238 a key, so we will cheat by setting the key to a bogus value */
239 /* send key to driver */
240 switch (key_index) {
241 case 0:
242 did =
243 DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0;
244 break;
245
246 case 1:
247 did =
248 DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1;
249 break;
250
251 case 2:
252 did =
253 DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2;
254 break;
255
256 case 3:
257 did =
258 DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3;
259 break;
260
261 default:
262 err = -EINVAL;
263 goto exit;
264 }
265
266 result = prism2_domibset_pstr32(wlandev, did, 13, "0000000000000");
267
268exit:
8dd82ebe
EH		 269 if (result)
270 err = -EFAULT;
cb3126e6
KR		 271
272 return err;
273}
274
275int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev,
9005fcd8 276 u8 key_index, bool unicast, bool multicast)
8dd82ebe 277{
cb3126e6
KR		 278 wlandevice_t *wlandev = dev->ml_priv;
279
280 int err = 0;
281 int result = 0;
282
283 result = prism2_domibset_uint32(wlandev,
284 DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
285 key_index);
286
8dd82ebe
EH		 287 if (result)
288 err = -EFAULT;
cb3126e6
KR		 289
290 return err;
291}
292
293
294int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,
8dd82ebe
EH		 295 u8 *mac, struct station_info *sinfo)
296{
cb3126e6 297 wlandevice_t *wlandev = dev->ml_priv;
b6bb56e6 298 struct p80211msg_lnxreq_commsquality quality;
cb3126e6
KR		 299 int result;
300
301 memset(sinfo, 0, sizeof(*sinfo));
302
303 if ((wlandev == NULL) || (wlandev->msdstate != WLAN_MSD_RUNNING))
304 return -EOPNOTSUPP;
305
306 /* build request message */
307 quality.msgcode = DIDmsg_lnxreq_commsquality;
308 quality.dbm.data = P80211ENUM_truth_true;
309 quality.dbm.status = P80211ENUM_msgitem_status_data_ok;
310
311 /* send message to nsd */
312 if (wlandev->mlmerequest == NULL)
313 return -EOPNOTSUPP;
314
3d049431 315 result = wlandev->mlmerequest(wlandev, (struct p80211msg *) &quality);
cb3126e6
KR		 316
317
318 if (result == 0) {
319 sinfo->txrate.legacy = quality.txrate.data;
320 sinfo->filled |= STATION_INFO_TX_BITRATE;
321 sinfo->signal = quality.level.data;
322 sinfo->filled |= STATION_INFO_SIGNAL;
323 }
324
325 return result;
326}
327
328int prism2_scan(struct wiphy *wiphy, struct net_device *dev,
8dd82ebe 329 struct cfg80211_scan_request *request)
cb3126e6
KR		 330{
331 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
332 wlandevice_t *wlandev = dev->ml_priv;
b6bb56e6
EH		 333 struct p80211msg_dot11req_scan msg1;
334 struct p80211msg_dot11req_scan_results msg2;
cb3126e6
KR		 335 int result;
336 int err = 0;
337 int numbss = 0;
338 int i = 0;
339 u8 ie_buf[46];
340 int ie_len;
341
342 if (!request)
343 return -EINVAL;
344
345 if (priv->scan_request && priv->scan_request != request)
346 return -EBUSY;
347
348 if (wlandev->macmode == WLAN_MACMODE_ESS_AP) {
349 printk(KERN_ERR "Can't scan in AP mode\n");
350 return -EOPNOTSUPP;
351 }
352
353 priv->scan_request = request;
354
b6bb56e6 355 memset(&msg1, 0x00, sizeof(struct p80211msg_dot11req_scan));
cb3126e6
KR		 356 msg1.msgcode = DIDmsg_dot11req_scan;
357 msg1.bsstype.data = P80211ENUM_bsstype_any;
358
359 memset(&(msg1.bssid.data), 0xFF, sizeof(p80211item_pstr6_t));
360 msg1.bssid.data.len = 6;
361
362 if (request->n_ssids > 0) {
363 msg1.scantype.data = P80211ENUM_scantype_active;
364 msg1.ssid.data.len = request->ssids->ssid_len;
365 memcpy(msg1.ssid.data.data, request->ssids->ssid, request->ssids->ssid_len);
366 } else {
367 msg1.scantype.data = 0;
368 }
369 msg1.probedelay.data = 0;
370
371 for (i = 0;
372 (i < request->n_channels) && i < ARRAY_SIZE(prism2_channels);
373 i++)
374 msg1.channellist.data.data[i] =
375 ieee80211_frequency_to_channel(request->channels[i]->center_freq);
376 msg1.channellist.data.len = request->n_channels;
377
378 msg1.maxchanneltime.data = 250;
379 msg1.minchanneltime.data = 200;
380
381 result = p80211req_dorequest(wlandev, (u8 *) &msg1);
382 if (result) {
383 err = prism2_result2err(msg1.resultcode.data);
384 goto exit;
385 }
386 /* Now retrieve scan results */
387 numbss = msg1.numbss.data;
388
389 for (i = 0; i < numbss; i++) {
390 memset(&msg2, 0, sizeof(msg2));
391 msg2.msgcode = DIDmsg_dot11req_scan_results;
392 msg2.bssindex.data = i;
393
394 result = p80211req_dorequest(wlandev, (u8 *) &msg2);
395 if ((result != 0) ||
396 (msg2.resultcode.data != P80211ENUM_resultcode_success)) {
397 break;
398 }
399
400 ie_buf[0] = WLAN_EID_SSID;
401 ie_buf[1] = msg2.ssid.data.len;
402 ie_len = ie_buf[1] + 2;
403 memcpy(&ie_buf[2], &(msg2.ssid.data.data), msg2.ssid.data.len);
404 cfg80211_inform_bss(wiphy,
405 ieee80211_get_channel(wiphy, ieee80211_dsss_chan_to_freq(msg2.dschannel.data)),
406 (const u8 *) &(msg2.bssid.data.data),
407 msg2.timestamp.data, msg2.capinfo.data,
408 msg2.beaconperiod.data,
409 ie_buf,
410 ie_len,
411 (msg2.signal.data - 65536) * 100, /* Conversion to signed type */
412 GFP_KERNEL
413 );
414 }
415
8dd82ebe 416 if (result)
cb3126e6 417 err = prism2_result2err(msg2.resultcode.data);
cb3126e6
KR		 418
419exit:
420 cfg80211_scan_done(request, err ? 1 : 0);
421 priv->scan_request = NULL;
422 return err;
423}
424
8dd82ebe
EH		 425int prism2_set_wiphy_params(struct wiphy *wiphy, u32 changed)
426{
cb3126e6
KR		 427 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
428 wlandevice_t *wlandev = priv->wlandev;
429 u32 data;
430 int result;
431 int err = 0;
432
433 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
434 if (wiphy->rts_threshold == -1)
435 data = 2347;
436 else
437 data = wiphy->rts_threshold;
438
8dd82ebe
EH		 439 result = prism2_domibset_uint32(wlandev,
440 DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold,
441 data);
cb3126e6
KR		 442 if (result) {
443 err = -EFAULT;
444 goto exit;
445 }
446 }
447
448 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
cb3126e6
KR		 449 if (wiphy->frag_threshold == -1)
450 data = 2346;
451 else
452 data = wiphy->frag_threshold;
453
8dd82ebe
EH		 454 result = prism2_domibset_uint32(wlandev,
455 DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold,
456 data);
cb3126e6
KR		 457 if (result) {
458 err = -EFAULT;
459 goto exit;
460 }
461 }
462
463exit:
464 return err;
465}
466
467int prism2_connect(struct wiphy *wiphy, struct net_device *dev,
8dd82ebe
EH		 468 struct cfg80211_connect_params *sme)
469{
cb3126e6
KR		 470 wlandevice_t *wlandev = dev->ml_priv;
471 struct ieee80211_channel *channel = sme->channel;
b6bb56e6 472 struct p80211msg_lnxreq_autojoin msg_join;
cb3126e6
KR		 473 u32 did;
474 int length = sme->ssid_len;
475 int chan = -1;
476 int is_wep = (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP40) ||
477 (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP104);
478 int result;
479 int err = 0;
480
481 /* Set the channel */
482 if (channel) {
483 chan = ieee80211_frequency_to_channel(channel->center_freq);
8dd82ebe
EH		 484 result = prism2_domibset_uint32(wlandev,
485 DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel,
486 chan);
487 if (result)
488 goto exit;
cb3126e6
KR		 489 }
490
491 /* Set the authorisation */
492 if ((sme->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) ||
493 ((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && !is_wep))
494 msg_join.authtype.data = P80211ENUM_authalg_opensystem;
495 else if ((sme->auth_type == NL80211_AUTHTYPE_SHARED_KEY) ||
496 ((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && is_wep))
497 msg_join.authtype.data = P80211ENUM_authalg_sharedkey;
8dd82ebe
EH		 498 else
499 printk(KERN_WARNING
500 "Unhandled authorisation type for connect (%d)\n",
501 sme->auth_type);
cb3126e6
KR		 502
503 /* Set the encryption - we only support wep */
504 if (is_wep) {
cb3126e6
KR		 505 if (sme->key) {
506 result = prism2_domibset_uint32(wlandev,
507 DIDmib_dot11smt_dot11PrivacyTable_dot11WEPDefaultKeyID,
508 sme->key_idx);
8dd82ebe
EH		 509 if (result)
510 goto exit;
cb3126e6
KR		 511
512 /* send key to driver */
513 switch (sme->key_idx) {
514 case 0:
8dd82ebe 515 did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey0;
cb3126e6
KR		 516 break;
517
518 case 1:
8dd82ebe 519 did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey1;
cb3126e6
KR		 520 break;
521
522 case 2:
8dd82ebe 523 did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey2;
cb3126e6
KR		 524 break;
525
526 case 3:
8dd82ebe 527 did = DIDmib_dot11smt_dot11WEPDefaultKeysTable_dot11WEPDefaultKey3;
cb3126e6
KR		 528 break;
529
530 default:
531 err = -EINVAL;
532 goto exit;
533 }
534
535 result = prism2_domibset_pstr32(wlandev, did, sme->key_len, (u8 *) sme->key);
8dd82ebe
EH		 536 if (result)
537 goto exit;
cb3126e6
KR		 538
539 }
540
541 /* Assume we should set privacy invoked and exclude unencrypted
542 We could possibly use sme->privacy here, but the assumption
543 seems reasonable anyway */
8dd82ebe
EH		 544 result = prism2_domibset_uint32(wlandev,
545 DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
546 P80211ENUM_truth_true);
547 if (result)
548 goto exit;
549
550 result = prism2_domibset_uint32(wlandev,
551 DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
552 P80211ENUM_truth_true);
553 if (result)
554 goto exit;
cb3126e6
KR		 555
556 } else {
8dd82ebe
EH		 557 /* Assume we should unset privacy invoked
558 and exclude unencrypted */
559 result = prism2_domibset_uint32(wlandev,
560 DIDmib_dot11smt_dot11PrivacyTable_dot11PrivacyInvoked,
561 P80211ENUM_truth_false);
562 if (result)
563 goto exit;
564
565 result = prism2_domibset_uint32(wlandev,
566 DIDmib_dot11smt_dot11PrivacyTable_dot11ExcludeUnencrypted,
567 P80211ENUM_truth_false);
568 if (result)
569 goto exit;
cb3126e6
KR		 570
571 }
572
573 /* Now do the actual join. Note there is no way that I can
574 see to request a specific bssid */
575 msg_join.msgcode = DIDmsg_lnxreq_autojoin;
576
577 memcpy(msg_join.ssid.data.data, sme->ssid, length);
578 msg_join.ssid.data.len = length;
579
8dd82ebe 580 result = p80211req_dorequest(wlandev, (u8 *) &msg_join);
cb3126e6
KR		 581
582exit:
8dd82ebe
EH		 583 if (result)
584 err = -EFAULT;
cb3126e6
KR		 585
586 return err;
587}
588
589int prism2_disconnect(struct wiphy *wiphy, struct net_device *dev,
8dd82ebe
EH		 590 u16 reason_code)
591{
cb3126e6 592 wlandevice_t *wlandev = dev->ml_priv;
b6bb56e6 593 struct p80211msg_lnxreq_autojoin msg_join;
cb3126e6
KR		 594 int result;
595 int err = 0;
596
597
598 /* Do a join, with a bogus ssid. Thats the only way I can think of */
599 msg_join.msgcode = DIDmsg_lnxreq_autojoin;
600
601 memcpy(msg_join.ssid.data.data, "---", 3);
602 msg_join.ssid.data.len = 3;
603
8dd82ebe 604 result = p80211req_dorequest(wlandev, (u8 *) &msg_join);
cb3126e6 605
8dd82ebe
EH		 606 if (result)
607 err = -EFAULT;
cb3126e6
KR		 608
609 return err;
610}
611
612
613int prism2_join_ibss(struct wiphy *wiphy, struct net_device *dev,
8dd82ebe
EH		 614 struct cfg80211_ibss_params *params)
615{
cb3126e6
KR		 616 return -EOPNOTSUPP;
617}
618
8dd82ebe
EH		 619int prism2_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
620{
cb3126e6
KR		 621 return -EOPNOTSUPP;
622}
623
624
9015e499
CF		 625int prism2_set_tx_power(struct wiphy *wiphy, enum nl80211_tx_power_setting type,
626 int mbm)
8dd82ebe 627{
cb3126e6
KR		 628 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
629 wlandevice_t *wlandev = priv->wlandev;
630 u32 data;
631 int result;
632 int err = 0;
633
9015e499 634 if (type == NL80211_TX_POWER_AUTOMATIC)
cb3126e6
KR		 635 data = 30;
636 else
9015e499 637 data = MBM_TO_DBM(mbm);
cb3126e6
KR		 638
639 result = prism2_domibset_uint32(wlandev,
640 DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel,
641 data);
642
643 if (result) {
644 err = -EFAULT;
645 goto exit;
646 }
647
648exit:
649 return err;
650}
651
8dd82ebe
EH		 652int prism2_get_tx_power(struct wiphy *wiphy, int *dbm)
653{
cb3126e6
KR		 654 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
655 wlandevice_t *wlandev = priv->wlandev;
b6bb56e6 656 struct p80211msg_dot11req_mibget msg;
cb3126e6
KR		 657 p80211item_uint32_t *mibitem = (p80211item_uint32_t *) &msg.mibattribute.data;
658 int result;
659 int err = 0;
660
661 msg.msgcode = DIDmsg_dot11req_mibget;
662 mibitem->did =
663 DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel;
664
8dd82ebe 665 result = p80211req_dorequest(wlandev, (u8 *) &msg);
cb3126e6
KR		 666
667 if (result) {
668 err = -EFAULT;
669 goto exit;
670 }
671
672 *dbm = mibitem->data;
673
674exit:
675 return err;
676}
677
678
679
680
681/* Interface callback functions, passing data back up to the cfg80211 layer */
8dd82ebe
EH		 682void prism2_connect_result(wlandevice_t *wlandev, u8 failed)
683{
684 u16 status = failed ? WLAN_STATUS_UNSPECIFIED_FAILURE : WLAN_STATUS_SUCCESS;
cb3126e6
KR		 685
686 cfg80211_connect_result(wlandev->netdev, wlandev->bssid,
8dd82ebe 687 NULL, 0, NULL, 0, status, GFP_KERNEL);
cb3126e6
KR		 688}
689
8dd82ebe
EH		 690void prism2_disconnected(wlandevice_t *wlandev)
691{
cb3126e6
KR		 692 cfg80211_disconnected(wlandev->netdev, 0, NULL,
693 0, GFP_KERNEL);
694}
695
8dd82ebe
EH		 696void prism2_roamed(wlandevice_t *wlandev)
697{
cb3126e6
KR		 698 cfg80211_roamed(wlandev->netdev, wlandev->bssid,
699 NULL, 0, NULL, 0, GFP_KERNEL);
700}
701
702
703/* Structures for declaring wiphy interface */
704static const struct cfg80211_ops prism2_usb_cfg_ops = {
705 .change_virtual_intf = prism2_change_virtual_intf,
706 .add_key = prism2_add_key,
707 .get_key = prism2_get_key,
708 .del_key = prism2_del_key,
709 .set_default_key = prism2_set_default_key,
710 .get_station = prism2_get_station,
711 .scan = prism2_scan,
712 .set_wiphy_params = prism2_set_wiphy_params,
713 .connect = prism2_connect,
714 .disconnect = prism2_disconnect,
715 .join_ibss = prism2_join_ibss,
716 .leave_ibss = prism2_leave_ibss,
717 .set_tx_power = prism2_set_tx_power,
718 .get_tx_power = prism2_get_tx_power,
719};
720
721
722/* Functions to create/free wiphy interface */
723struct wiphy *wlan_create_wiphy(struct device *dev, wlandevice_t *wlandev)
724{
725 struct wiphy *wiphy;
726 struct prism2_wiphy_private *priv;
727 wiphy = wiphy_new(&prism2_usb_cfg_ops, sizeof(struct prism2_wiphy_private));
728 if (!wiphy)
729 return NULL;
730
731 priv = wiphy_priv(wiphy);
732 priv->wlandev = wlandev;
733 memcpy(priv->channels, prism2_channels, sizeof(prism2_channels));
734 memcpy(priv->rates, prism2_rates, sizeof(prism2_rates));
735 priv->band.channels = priv->channels;
736 priv->band.n_channels = ARRAY_SIZE(prism2_channels);
737 priv->band.bitrates = priv->rates;
738 priv->band.n_bitrates = ARRAY_SIZE(prism2_rates);
aff3ea4e
KR		 739 priv->band.band = IEEE80211_BAND_2GHZ;
740 priv->band.ht_cap.ht_supported = false;
cb3126e6
KR		 741 wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band;
742
743 set_wiphy_dev(wiphy, dev);
744 wiphy->privid = prism2_wiphy_privid;
745 wiphy->max_scan_ssids = 1;
8dd82ebe
EH		 746 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
747 | BIT(NL80211_IFTYPE_ADHOC);
cb3126e6
KR		 748 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
749 wiphy->n_cipher_suites = PRISM2_NUM_CIPHER_SUITES;
750 wiphy->cipher_suites = prism2_cipher_suites;
751
752 if (wiphy_register(wiphy) < 0)
753 return NULL;
754
755 return wiphy;
756}
757
758
759void wlan_free_wiphy(struct wiphy *wiphy)
760{
761 wiphy_unregister(wiphy);
762 wiphy_free(wiphy);
763}
kernel source for telekom puls (alcatel/mediatek)