1
2
3#include "hfa384x.h"
4#include "prism2mgmt.h"
5
6
7static const struct ieee80211_channel prism2_channels[] = {
8 { .center_freq = 2412 },
9 { .center_freq = 2417 },
10 { .center_freq = 2422 },
11 { .center_freq = 2427 },
12 { .center_freq = 2432 },
13 { .center_freq = 2437 },
14 { .center_freq = 2442 },
15 { .center_freq = 2447 },
16 { .center_freq = 2452 },
17 { .center_freq = 2457 },
18 { .center_freq = 2462 },
19 { .center_freq = 2467 },
20 { .center_freq = 2472 },
21 { .center_freq = 2484 },
22};
23
24static const struct ieee80211_rate prism2_rates[] = {
25 { .bitrate = 10 },
26 { .bitrate = 20 },
27 { .bitrate = 55 },
28 { .bitrate = 110 }
29};
30
31#define PRISM2_NUM_CIPHER_SUITES 2
32static const u32 prism2_cipher_suites[PRISM2_NUM_CIPHER_SUITES] = {
33 WLAN_CIPHER_SUITE_WEP40,
34 WLAN_CIPHER_SUITE_WEP104
35};
36
37
38struct prism2_wiphy_private {
39 struct wlandevice *wlandev;
40
41 struct ieee80211_supported_band band;
42 struct ieee80211_channel channels[ARRAY_SIZE(prism2_channels)];
43 struct ieee80211_rate rates[ARRAY_SIZE(prism2_rates)];
44
45 struct cfg80211_scan_request *scan_request;
46};
47
48static const void * const prism2_wiphy_privid = &prism2_wiphy_privid;
49
50
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(struct wlandevice *wlandev,
74 u32 did, u32 data)
75{
76 struct p80211msg_dot11req_mibset msg;
77 struct p80211item_uint32 *mibitem =
78 (struct p80211item_uint32 *)&msg.mibattribute.data;
79
80 msg.msgcode = DIDMSG_DOT11REQ_MIBSET;
81 mibitem->did = did;
82 mibitem->data = data;
83
84 return p80211req_dorequest(wlandev, (u8 *)&msg);
85}
86
87static int prism2_domibset_pstr32(struct wlandevice *wlandev,
88 u32 did, u8 len, const u8 *data)
89{
90 struct p80211msg_dot11req_mibset msg;
91 struct p80211item_pstr32 *mibitem =
92 (struct p80211item_pstr32 *)&msg.mibattribute.data;
93
94 msg.msgcode = DIDMSG_DOT11REQ_MIBSET;
95 mibitem->did = did;
96 mibitem->data.len = len;
97 memcpy(mibitem->data.data, data, len);
98
99 return p80211req_dorequest(wlandev, (u8 *)&msg);
100}
101
102
103static int prism2_change_virtual_intf(struct wiphy *wiphy,
104 struct net_device *dev,
105 enum nl80211_iftype type,
106 struct vif_params *params)
107{
108 struct wlandevice *wlandev = dev->ml_priv;
109 u32 data;
110 int result;
111 int err = 0;
112
113 switch (type) {
114 case NL80211_IFTYPE_ADHOC:
115 if (wlandev->macmode == WLAN_MACMODE_IBSS_STA)
116 goto exit;
117 wlandev->macmode = WLAN_MACMODE_IBSS_STA;
118 data = 0;
119 break;
120 case NL80211_IFTYPE_STATION:
121 if (wlandev->macmode == WLAN_MACMODE_ESS_STA)
122 goto exit;
123 wlandev->macmode = WLAN_MACMODE_ESS_STA;
124 data = 1;
125 break;
126 default:
127 netdev_warn(dev, "Operation mode: %d not support\n", type);
128 return -EOPNOTSUPP;
129 }
130
131
132 result = prism2_domibset_uint32(wlandev,
133 DIDMIB_P2_STATIC_CNFPORTTYPE,
134 data);
135
136 if (result)
137 err = -EFAULT;
138
139 dev->ieee80211_ptr->iftype = type;
140
141exit:
142 return err;
143}
144
145static int prism2_add_key(struct wiphy *wiphy, struct net_device *dev,
146 u8 key_index, bool pairwise, const u8 *mac_addr,
147 struct key_params *params)
148{
149 struct wlandevice *wlandev = dev->ml_priv;
150 u32 did;
151
152 if (key_index >= NUM_WEPKEYS)
153 return -EINVAL;
154
155 if (params->cipher != WLAN_CIPHER_SUITE_WEP40 &&
156 params->cipher != WLAN_CIPHER_SUITE_WEP104) {
157 pr_debug("Unsupported cipher suite\n");
158 return -EFAULT;
159 }
160
161 if (prism2_domibset_uint32(wlandev,
162 DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID,
163 key_index))
164 return -EFAULT;
165
166
167 did = didmib_dot11smt_wepdefaultkeystable_key(key_index + 1);
168
169 if (prism2_domibset_pstr32(wlandev, did, params->key_len, params->key))
170 return -EFAULT;
171 return 0;
172}
173
174static int prism2_get_key(struct wiphy *wiphy, struct net_device *dev,
175 u8 key_index, bool pairwise,
176 const u8 *mac_addr, void *cookie,
177 void (*callback)(void *cookie, struct key_params*))
178{
179 struct wlandevice *wlandev = dev->ml_priv;
180 struct key_params params;
181 int len;
182
183 if (key_index >= NUM_WEPKEYS)
184 return -EINVAL;
185
186 len = wlandev->wep_keylens[key_index];
187 memset(¶ms, 0, sizeof(params));
188
189 if (len == 13)
190 params.cipher = WLAN_CIPHER_SUITE_WEP104;
191 else if (len == 5)
192 params.cipher = WLAN_CIPHER_SUITE_WEP104;
193 else
194 return -ENOENT;
195 params.key_len = len;
196 params.key = wlandev->wep_keys[key_index];
197 params.seq_len = 0;
198
199 callback(cookie, ¶ms);
200
201 return 0;
202}
203
204static int prism2_del_key(struct wiphy *wiphy, struct net_device *dev,
205 u8 key_index, bool pairwise, const u8 *mac_addr)
206{
207 struct wlandevice *wlandev = dev->ml_priv;
208 u32 did;
209 int err = 0;
210 int result = 0;
211
212
213
214
215
216 if (key_index >= NUM_WEPKEYS)
217 return -EINVAL;
218
219
220 did = didmib_dot11smt_wepdefaultkeystable_key(key_index + 1);
221 result = prism2_domibset_pstr32(wlandev, did, 13, "0000000000000");
222
223 if (result)
224 err = -EFAULT;
225
226 return err;
227}
228
229static int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev,
230 u8 key_index, bool unicast, bool multicast)
231{
232 struct wlandevice *wlandev = dev->ml_priv;
233
234 return prism2_domibset_uint32(wlandev,
235 DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID,
236 key_index);
237}
238
239static int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,
240 const u8 *mac, struct station_info *sinfo)
241{
242 struct wlandevice *wlandev = dev->ml_priv;
243 struct p80211msg_lnxreq_commsquality quality;
244 int result;
245
246 memset(sinfo, 0, sizeof(*sinfo));
247
248 if (!wlandev || (wlandev->msdstate != WLAN_MSD_RUNNING))
249 return -EOPNOTSUPP;
250
251
252 quality.msgcode = DIDMSG_LNXREQ_COMMSQUALITY;
253 quality.dbm.data = P80211ENUM_truth_true;
254 quality.dbm.status = P80211ENUM_msgitem_status_data_ok;
255
256
257 if (!wlandev->mlmerequest)
258 return -EOPNOTSUPP;
259
260 result = wlandev->mlmerequest(wlandev, (struct p80211msg *)&quality);
261
262 if (result == 0) {
263 sinfo->txrate.legacy = quality.txrate.data;
264 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
265 sinfo->signal = quality.level.data;
266 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
267 }
268
269 return result;
270}
271
272static int prism2_scan(struct wiphy *wiphy,
273 struct cfg80211_scan_request *request)
274{
275 struct net_device *dev;
276 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
277 struct wlandevice *wlandev;
278 struct p80211msg_dot11req_scan msg1;
279 struct p80211msg_dot11req_scan_results *msg2;
280 struct cfg80211_bss *bss;
281 struct cfg80211_scan_info info = {};
282
283 int result;
284 int err = 0;
285 int numbss = 0;
286 int i = 0;
287 u8 ie_buf[46];
288 int ie_len;
289
290 if (!request)
291 return -EINVAL;
292
293 dev = request->wdev->netdev;
294 wlandev = dev->ml_priv;
295
296 if (priv->scan_request && priv->scan_request != request)
297 return -EBUSY;
298
299 if (wlandev->macmode == WLAN_MACMODE_ESS_AP) {
300 netdev_err(dev, "Can't scan in AP mode\n");
301 return -EOPNOTSUPP;
302 }
303
304 msg2 = kzalloc(sizeof(*msg2), GFP_KERNEL);
305 if (!msg2)
306 return -ENOMEM;
307
308 priv->scan_request = request;
309
310 memset(&msg1, 0x00, sizeof(msg1));
311 msg1.msgcode = DIDMSG_DOT11REQ_SCAN;
312 msg1.bsstype.data = P80211ENUM_bsstype_any;
313
314 memset(&msg1.bssid.data.data, 0xFF, sizeof(msg1.bssid.data.data));
315 msg1.bssid.data.len = 6;
316
317 if (request->n_ssids > 0) {
318 msg1.scantype.data = P80211ENUM_scantype_active;
319 msg1.ssid.data.len = request->ssids->ssid_len;
320 memcpy(msg1.ssid.data.data,
321 request->ssids->ssid, request->ssids->ssid_len);
322 } else {
323 msg1.scantype.data = 0;
324 }
325 msg1.probedelay.data = 0;
326
327 for (i = 0;
328 (i < request->n_channels) && i < ARRAY_SIZE(prism2_channels);
329 i++)
330 msg1.channellist.data.data[i] =
331 ieee80211_frequency_to_channel(
332 request->channels[i]->center_freq);
333 msg1.channellist.data.len = request->n_channels;
334
335 msg1.maxchanneltime.data = 250;
336 msg1.minchanneltime.data = 200;
337
338 result = p80211req_dorequest(wlandev, (u8 *)&msg1);
339 if (result) {
340 err = prism2_result2err(msg1.resultcode.data);
341 goto exit;
342 }
343
344 numbss = msg1.numbss.data;
345
346 for (i = 0; i < numbss; i++) {
347 int freq;
348
349 msg2->msgcode = DIDMSG_DOT11REQ_SCAN_RESULTS;
350 msg2->bssindex.data = i;
351
352 result = p80211req_dorequest(wlandev, (u8 *)&msg2);
353 if ((result != 0) ||
354 (msg2->resultcode.data != P80211ENUM_resultcode_success)) {
355 break;
356 }
357
358 ie_buf[0] = WLAN_EID_SSID;
359 ie_buf[1] = msg2->ssid.data.len;
360 ie_len = ie_buf[1] + 2;
361 memcpy(&ie_buf[2], &msg2->ssid.data.data, msg2->ssid.data.len);
362 freq = ieee80211_channel_to_frequency(msg2->dschannel.data,
363 NL80211_BAND_2GHZ);
364 bss = cfg80211_inform_bss(wiphy,
365 ieee80211_get_channel(wiphy, freq),
366 CFG80211_BSS_FTYPE_UNKNOWN,
367 (const u8 *)&msg2->bssid.data.data,
368 msg2->timestamp.data, msg2->capinfo.data,
369 msg2->beaconperiod.data,
370 ie_buf,
371 ie_len,
372 (msg2->signal.data - 65536) * 100,
373 GFP_KERNEL);
374
375 if (!bss) {
376 err = -ENOMEM;
377 goto exit;
378 }
379
380 cfg80211_put_bss(wiphy, bss);
381 }
382
383 if (result)
384 err = prism2_result2err(msg2->resultcode.data);
385
386exit:
387 info.aborted = !!(err);
388 cfg80211_scan_done(request, &info);
389 priv->scan_request = NULL;
390 kfree(msg2);
391 return err;
392}
393
394static int prism2_set_wiphy_params(struct wiphy *wiphy, u32 changed)
395{
396 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
397 struct wlandevice *wlandev = priv->wlandev;
398 u32 data;
399 int result;
400 int err = 0;
401
402 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
403 if (wiphy->rts_threshold == -1)
404 data = 2347;
405 else
406 data = wiphy->rts_threshold;
407
408 result = prism2_domibset_uint32(wlandev,
409 DIDMIB_DOT11MAC_OPERATIONTABLE_RTSTHRESHOLD,
410 data);
411 if (result) {
412 err = -EFAULT;
413 goto exit;
414 }
415 }
416
417 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
418 if (wiphy->frag_threshold == -1)
419 data = 2346;
420 else
421 data = wiphy->frag_threshold;
422
423 result = prism2_domibset_uint32(wlandev,
424 DIDMIB_DOT11MAC_OPERATIONTABLE_FRAGMENTATIONTHRESHOLD,
425 data);
426 if (result) {
427 err = -EFAULT;
428 goto exit;
429 }
430 }
431
432exit:
433 return err;
434}
435
436static int prism2_connect(struct wiphy *wiphy, struct net_device *dev,
437 struct cfg80211_connect_params *sme)
438{
439 struct wlandevice *wlandev = dev->ml_priv;
440 struct ieee80211_channel *channel = sme->channel;
441 struct p80211msg_lnxreq_autojoin msg_join;
442 u32 did;
443 int length = sme->ssid_len;
444 int chan = -1;
445 int is_wep = (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP40) ||
446 (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP104);
447 int result;
448 int err = 0;
449
450
451 if (channel) {
452 chan = ieee80211_frequency_to_channel(channel->center_freq);
453 result = prism2_domibset_uint32(wlandev,
454 DIDMIB_DOT11PHY_DSSSTABLE_CURRENTCHANNEL,
455 chan);
456 if (result)
457 goto exit;
458 }
459
460
461 if ((sme->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) ||
462 ((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && !is_wep))
463 msg_join.authtype.data = P80211ENUM_authalg_opensystem;
464 else if ((sme->auth_type == NL80211_AUTHTYPE_SHARED_KEY) ||
465 ((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && is_wep))
466 msg_join.authtype.data = P80211ENUM_authalg_sharedkey;
467 else
468 netdev_warn(dev,
469 "Unhandled authorisation type for connect (%d)\n",
470 sme->auth_type);
471
472
473 if (is_wep) {
474 if (sme->key) {
475 if (sme->key_idx >= NUM_WEPKEYS)
476 return -EINVAL;
477
478 result = prism2_domibset_uint32(wlandev,
479 DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID,
480 sme->key_idx);
481 if (result)
482 goto exit;
483
484
485 did = didmib_dot11smt_wepdefaultkeystable_key(
486 sme->key_idx + 1);
487 result = prism2_domibset_pstr32(wlandev,
488 did, sme->key_len,
489 (u8 *)sme->key);
490 if (result)
491 goto exit;
492 }
493
494
495
496
497
498 result = prism2_domibset_uint32(wlandev,
499 DIDMIB_DOT11SMT_PRIVACYTABLE_PRIVACYINVOKED,
500 P80211ENUM_truth_true);
501 if (result)
502 goto exit;
503
504 result = prism2_domibset_uint32(wlandev,
505 DIDMIB_DOT11SMT_PRIVACYTABLE_EXCLUDEUNENCRYPTED,
506 P80211ENUM_truth_true);
507 if (result)
508 goto exit;
509
510 } else {
511
512
513
514 result = prism2_domibset_uint32(wlandev,
515 DIDMIB_DOT11SMT_PRIVACYTABLE_PRIVACYINVOKED,
516 P80211ENUM_truth_false);
517 if (result)
518 goto exit;
519
520 result = prism2_domibset_uint32(wlandev,
521 DIDMIB_DOT11SMT_PRIVACYTABLE_EXCLUDEUNENCRYPTED,
522 P80211ENUM_truth_false);
523 if (result)
524 goto exit;
525 }
526
527
528
529
530 msg_join.msgcode = DIDMSG_LNXREQ_AUTOJOIN;
531
532 memcpy(msg_join.ssid.data.data, sme->ssid, length);
533 msg_join.ssid.data.len = length;
534
535 result = p80211req_dorequest(wlandev, (u8 *)&msg_join);
536
537exit:
538 if (result)
539 err = -EFAULT;
540
541 return err;
542}
543
544static int prism2_disconnect(struct wiphy *wiphy, struct net_device *dev,
545 u16 reason_code)
546{
547 struct wlandevice *wlandev = dev->ml_priv;
548 struct p80211msg_lnxreq_autojoin msg_join;
549 int result;
550 int err = 0;
551
552
553 msg_join.msgcode = DIDMSG_LNXREQ_AUTOJOIN;
554
555 memcpy(msg_join.ssid.data.data, "---", 3);
556 msg_join.ssid.data.len = 3;
557
558 result = p80211req_dorequest(wlandev, (u8 *)&msg_join);
559
560 if (result)
561 err = -EFAULT;
562
563 return err;
564}
565
566static int prism2_join_ibss(struct wiphy *wiphy, struct net_device *dev,
567 struct cfg80211_ibss_params *params)
568{
569 return -EOPNOTSUPP;
570}
571
572static int prism2_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
573{
574 return -EOPNOTSUPP;
575}
576
577static int prism2_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
578 enum nl80211_tx_power_setting type, int mbm)
579{
580 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
581 struct wlandevice *wlandev = priv->wlandev;
582 u32 data;
583 int result;
584 int err = 0;
585
586 if (type == NL80211_TX_POWER_AUTOMATIC)
587 data = 30;
588 else
589 data = MBM_TO_DBM(mbm);
590
591 result = prism2_domibset_uint32(wlandev,
592 DIDMIB_DOT11PHY_TXPOWERTABLE_CURRENTTXPOWERLEVEL,
593 data);
594
595 if (result) {
596 err = -EFAULT;
597 goto exit;
598 }
599
600exit:
601 return err;
602}
603
604static int prism2_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
605 int *dbm)
606{
607 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
608 struct wlandevice *wlandev = priv->wlandev;
609 struct p80211msg_dot11req_mibget msg;
610 struct p80211item_uint32 *mibitem;
611 int result;
612 int err = 0;
613
614 mibitem = (struct p80211item_uint32 *)&msg.mibattribute.data;
615 msg.msgcode = DIDMSG_DOT11REQ_MIBGET;
616 mibitem->did = DIDMIB_DOT11PHY_TXPOWERTABLE_CURRENTTXPOWERLEVEL;
617
618 result = p80211req_dorequest(wlandev, (u8 *)&msg);
619
620 if (result) {
621 err = -EFAULT;
622 goto exit;
623 }
624
625 *dbm = mibitem->data;
626
627exit:
628 return err;
629}
630
631
632void prism2_connect_result(struct wlandevice *wlandev, u8 failed)
633{
634 u16 status = failed ?
635 WLAN_STATUS_UNSPECIFIED_FAILURE : WLAN_STATUS_SUCCESS;
636
637 cfg80211_connect_result(wlandev->netdev, wlandev->bssid,
638 NULL, 0, NULL, 0, status, GFP_KERNEL);
639}
640
641void prism2_disconnected(struct wlandevice *wlandev)
642{
643 cfg80211_disconnected(wlandev->netdev, 0, NULL,
644 0, false, GFP_KERNEL);
645}
646
647void prism2_roamed(struct wlandevice *wlandev)
648{
649 struct cfg80211_roam_info roam_info = {
650 .bssid = wlandev->bssid,
651 };
652
653 cfg80211_roamed(wlandev->netdev, &roam_info, GFP_KERNEL);
654}
655
656
657static const struct cfg80211_ops prism2_usb_cfg_ops = {
658 .change_virtual_intf = prism2_change_virtual_intf,
659 .add_key = prism2_add_key,
660 .get_key = prism2_get_key,
661 .del_key = prism2_del_key,
662 .set_default_key = prism2_set_default_key,
663 .get_station = prism2_get_station,
664 .scan = prism2_scan,
665 .set_wiphy_params = prism2_set_wiphy_params,
666 .connect = prism2_connect,
667 .disconnect = prism2_disconnect,
668 .join_ibss = prism2_join_ibss,
669 .leave_ibss = prism2_leave_ibss,
670 .set_tx_power = prism2_set_tx_power,
671 .get_tx_power = prism2_get_tx_power,
672};
673
674
675static struct wiphy *wlan_create_wiphy(struct device *dev,
676 struct wlandevice *wlandev)
677{
678 struct wiphy *wiphy;
679 struct prism2_wiphy_private *priv;
680
681 wiphy = wiphy_new(&prism2_usb_cfg_ops, sizeof(*priv));
682 if (!wiphy)
683 return NULL;
684
685 priv = wiphy_priv(wiphy);
686 priv->wlandev = wlandev;
687 memcpy(priv->channels, prism2_channels, sizeof(prism2_channels));
688 memcpy(priv->rates, prism2_rates, sizeof(prism2_rates));
689 priv->band.channels = priv->channels;
690 priv->band.n_channels = ARRAY_SIZE(prism2_channels);
691 priv->band.bitrates = priv->rates;
692 priv->band.n_bitrates = ARRAY_SIZE(prism2_rates);
693 priv->band.band = NL80211_BAND_2GHZ;
694 priv->band.ht_cap.ht_supported = false;
695 wiphy->bands[NL80211_BAND_2GHZ] = &priv->band;
696
697 set_wiphy_dev(wiphy, dev);
698 wiphy->privid = prism2_wiphy_privid;
699 wiphy->max_scan_ssids = 1;
700 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
701 | BIT(NL80211_IFTYPE_ADHOC);
702 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
703 wiphy->n_cipher_suites = PRISM2_NUM_CIPHER_SUITES;
704 wiphy->cipher_suites = prism2_cipher_suites;
705
706 if (wiphy_register(wiphy) < 0) {
707 wiphy_free(wiphy);
708 return NULL;
709 }
710
711 return wiphy;
712}
713
714static void wlan_free_wiphy(struct wiphy *wiphy)
715{
716 wiphy_unregister(wiphy);
717 wiphy_free(wiphy);
718}
719
