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 int err = 0;
235 int result = 0;
236
237 result = prism2_domibset_uint32(wlandev,
238 DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID,
239 key_index);
240
241 if (result)
242 err = -EFAULT;
243
244 return err;
245}
246
247static int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,
248 const u8 *mac, struct station_info *sinfo)
249{
250 struct wlandevice *wlandev = dev->ml_priv;
251 struct p80211msg_lnxreq_commsquality quality;
252 int result;
253
254 memset(sinfo, 0, sizeof(*sinfo));
255
256 if (!wlandev || (wlandev->msdstate != WLAN_MSD_RUNNING))
257 return -EOPNOTSUPP;
258
259
260 quality.msgcode = DIDMSG_LNXREQ_COMMSQUALITY;
261 quality.dbm.data = P80211ENUM_truth_true;
262 quality.dbm.status = P80211ENUM_msgitem_status_data_ok;
263
264
265 if (!wlandev->mlmerequest)
266 return -EOPNOTSUPP;
267
268 result = wlandev->mlmerequest(wlandev, (struct p80211msg *)&quality);
269
270 if (result == 0) {
271 sinfo->txrate.legacy = quality.txrate.data;
272 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
273 sinfo->signal = quality.level.data;
274 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
275 }
276
277 return result;
278}
279
280static int prism2_scan(struct wiphy *wiphy,
281 struct cfg80211_scan_request *request)
282{
283 struct net_device *dev;
284 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
285 struct wlandevice *wlandev;
286 struct p80211msg_dot11req_scan msg1;
287 struct p80211msg_dot11req_scan_results msg2;
288 struct cfg80211_bss *bss;
289 struct cfg80211_scan_info info = {};
290
291 int result;
292 int err = 0;
293 int numbss = 0;
294 int i = 0;
295 u8 ie_buf[46];
296 int ie_len;
297
298 if (!request)
299 return -EINVAL;
300
301 dev = request->wdev->netdev;
302 wlandev = dev->ml_priv;
303
304 if (priv->scan_request && priv->scan_request != request)
305 return -EBUSY;
306
307 if (wlandev->macmode == WLAN_MACMODE_ESS_AP) {
308 netdev_err(dev, "Can't scan in AP mode\n");
309 return -EOPNOTSUPP;
310 }
311
312 priv->scan_request = request;
313
314 memset(&msg1, 0x00, sizeof(msg1));
315 msg1.msgcode = DIDMSG_DOT11REQ_SCAN;
316 msg1.bsstype.data = P80211ENUM_bsstype_any;
317
318 memset(&msg1.bssid.data.data, 0xFF, sizeof(msg1.bssid.data.data));
319 msg1.bssid.data.len = 6;
320
321 if (request->n_ssids > 0) {
322 msg1.scantype.data = P80211ENUM_scantype_active;
323 msg1.ssid.data.len = request->ssids->ssid_len;
324 memcpy(msg1.ssid.data.data,
325 request->ssids->ssid, request->ssids->ssid_len);
326 } else {
327 msg1.scantype.data = 0;
328 }
329 msg1.probedelay.data = 0;
330
331 for (i = 0;
332 (i < request->n_channels) && i < ARRAY_SIZE(prism2_channels);
333 i++)
334 msg1.channellist.data.data[i] =
335 ieee80211_frequency_to_channel(
336 request->channels[i]->center_freq);
337 msg1.channellist.data.len = request->n_channels;
338
339 msg1.maxchanneltime.data = 250;
340 msg1.minchanneltime.data = 200;
341
342 result = p80211req_dorequest(wlandev, (u8 *)&msg1);
343 if (result) {
344 err = prism2_result2err(msg1.resultcode.data);
345 goto exit;
346 }
347
348 numbss = msg1.numbss.data;
349
350 for (i = 0; i < numbss; i++) {
351 int freq;
352
353 memset(&msg2, 0, sizeof(msg2));
354 msg2.msgcode = DIDMSG_DOT11REQ_SCAN_RESULTS;
355 msg2.bssindex.data = i;
356
357 result = p80211req_dorequest(wlandev, (u8 *)&msg2);
358 if ((result != 0) ||
359 (msg2.resultcode.data != P80211ENUM_resultcode_success)) {
360 break;
361 }
362
363 ie_buf[0] = WLAN_EID_SSID;
364 ie_buf[1] = msg2.ssid.data.len;
365 ie_len = ie_buf[1] + 2;
366 memcpy(&ie_buf[2], &msg2.ssid.data.data, msg2.ssid.data.len);
367 freq = ieee80211_channel_to_frequency(msg2.dschannel.data,
368 NL80211_BAND_2GHZ);
369 bss = cfg80211_inform_bss(wiphy,
370 ieee80211_get_channel(wiphy, freq),
371 CFG80211_BSS_FTYPE_UNKNOWN,
372 (const u8 *)&msg2.bssid.data.data,
373 msg2.timestamp.data, msg2.capinfo.data,
374 msg2.beaconperiod.data,
375 ie_buf,
376 ie_len,
377 (msg2.signal.data - 65536) * 100,
378 GFP_KERNEL
379 );
380
381 if (!bss) {
382 err = -ENOMEM;
383 goto exit;
384 }
385
386 cfg80211_put_bss(wiphy, bss);
387 }
388
389 if (result)
390 err = prism2_result2err(msg2.resultcode.data);
391
392exit:
393 info.aborted = !!(err);
394 cfg80211_scan_done(request, &info);
395 priv->scan_request = NULL;
396 return err;
397}
398
399static int prism2_set_wiphy_params(struct wiphy *wiphy, u32 changed)
400{
401 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
402 struct wlandevice *wlandev = priv->wlandev;
403 u32 data;
404 int result;
405 int err = 0;
406
407 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
408 if (wiphy->rts_threshold == -1)
409 data = 2347;
410 else
411 data = wiphy->rts_threshold;
412
413 result = prism2_domibset_uint32(wlandev,
414 DIDMIB_DOT11MAC_OPERATIONTABLE_RTSTHRESHOLD,
415 data);
416 if (result) {
417 err = -EFAULT;
418 goto exit;
419 }
420 }
421
422 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
423 if (wiphy->frag_threshold == -1)
424 data = 2346;
425 else
426 data = wiphy->frag_threshold;
427
428 result = prism2_domibset_uint32(wlandev,
429 DIDMIB_DOT11MAC_OPERATIONTABLE_FRAGMENTATIONTHRESHOLD,
430 data);
431 if (result) {
432 err = -EFAULT;
433 goto exit;
434 }
435 }
436
437exit:
438 return err;
439}
440
441static int prism2_connect(struct wiphy *wiphy, struct net_device *dev,
442 struct cfg80211_connect_params *sme)
443{
444 struct wlandevice *wlandev = dev->ml_priv;
445 struct ieee80211_channel *channel = sme->channel;
446 struct p80211msg_lnxreq_autojoin msg_join;
447 u32 did;
448 int length = sme->ssid_len;
449 int chan = -1;
450 int is_wep = (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP40) ||
451 (sme->crypto.cipher_group == WLAN_CIPHER_SUITE_WEP104);
452 int result;
453 int err = 0;
454
455
456 if (channel) {
457 chan = ieee80211_frequency_to_channel(channel->center_freq);
458 result = prism2_domibset_uint32(wlandev,
459 DIDMIB_DOT11PHY_DSSSTABLE_CURRENTCHANNEL,
460 chan);
461 if (result)
462 goto exit;
463 }
464
465
466 if ((sme->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) ||
467 ((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && !is_wep))
468 msg_join.authtype.data = P80211ENUM_authalg_opensystem;
469 else if ((sme->auth_type == NL80211_AUTHTYPE_SHARED_KEY) ||
470 ((sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) && is_wep))
471 msg_join.authtype.data = P80211ENUM_authalg_sharedkey;
472 else
473 netdev_warn(dev,
474 "Unhandled authorisation type for connect (%d)\n",
475 sme->auth_type);
476
477
478 if (is_wep) {
479 if (sme->key) {
480 if (sme->key_idx >= NUM_WEPKEYS) {
481 err = -EINVAL;
482 goto exit;
483 }
484
485 result = prism2_domibset_uint32(wlandev,
486 DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID,
487 sme->key_idx);
488 if (result)
489 goto exit;
490
491
492 did = didmib_dot11smt_wepdefaultkeystable_key(
493 sme->key_idx + 1);
494 result = prism2_domibset_pstr32(wlandev,
495 did, sme->key_len,
496 (u8 *)sme->key);
497 if (result)
498 goto exit;
499 }
500
501
502
503
504
505 result = prism2_domibset_uint32(wlandev,
506 DIDMIB_DOT11SMT_PRIVACYTABLE_PRIVACYINVOKED,
507 P80211ENUM_truth_true);
508 if (result)
509 goto exit;
510
511 result = prism2_domibset_uint32(wlandev,
512 DIDMIB_DOT11SMT_PRIVACYTABLE_EXCLUDEUNENCRYPTED,
513 P80211ENUM_truth_true);
514 if (result)
515 goto exit;
516
517 } else {
518
519
520
521 result = prism2_domibset_uint32(wlandev,
522 DIDMIB_DOT11SMT_PRIVACYTABLE_PRIVACYINVOKED,
523 P80211ENUM_truth_false);
524 if (result)
525 goto exit;
526
527 result = prism2_domibset_uint32(wlandev,
528 DIDMIB_DOT11SMT_PRIVACYTABLE_EXCLUDEUNENCRYPTED,
529 P80211ENUM_truth_false);
530 if (result)
531 goto exit;
532 }
533
534
535
536
537 msg_join.msgcode = DIDMSG_LNXREQ_AUTOJOIN;
538
539 memcpy(msg_join.ssid.data.data, sme->ssid, length);
540 msg_join.ssid.data.len = length;
541
542 result = p80211req_dorequest(wlandev, (u8 *)&msg_join);
543
544exit:
545 if (result)
546 err = -EFAULT;
547
548 return err;
549}
550
551static int prism2_disconnect(struct wiphy *wiphy, struct net_device *dev,
552 u16 reason_code)
553{
554 struct wlandevice *wlandev = dev->ml_priv;
555 struct p80211msg_lnxreq_autojoin msg_join;
556 int result;
557 int err = 0;
558
559
560 msg_join.msgcode = DIDMSG_LNXREQ_AUTOJOIN;
561
562 memcpy(msg_join.ssid.data.data, "---", 3);
563 msg_join.ssid.data.len = 3;
564
565 result = p80211req_dorequest(wlandev, (u8 *)&msg_join);
566
567 if (result)
568 err = -EFAULT;
569
570 return err;
571}
572
573static int prism2_join_ibss(struct wiphy *wiphy, struct net_device *dev,
574 struct cfg80211_ibss_params *params)
575{
576 return -EOPNOTSUPP;
577}
578
579static int prism2_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
580{
581 return -EOPNOTSUPP;
582}
583
584static int prism2_set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
585 enum nl80211_tx_power_setting type, int mbm)
586{
587 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
588 struct wlandevice *wlandev = priv->wlandev;
589 u32 data;
590 int result;
591 int err = 0;
592
593 if (type == NL80211_TX_POWER_AUTOMATIC)
594 data = 30;
595 else
596 data = MBM_TO_DBM(mbm);
597
598 result = prism2_domibset_uint32(wlandev,
599 DIDMIB_DOT11PHY_TXPOWERTABLE_CURRENTTXPOWERLEVEL,
600 data);
601
602 if (result) {
603 err = -EFAULT;
604 goto exit;
605 }
606
607exit:
608 return err;
609}
610
611static int prism2_get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
612 int *dbm)
613{
614 struct prism2_wiphy_private *priv = wiphy_priv(wiphy);
615 struct wlandevice *wlandev = priv->wlandev;
616 struct p80211msg_dot11req_mibget msg;
617 struct p80211item_uint32 *mibitem;
618 int result;
619 int err = 0;
620
621 mibitem = (struct p80211item_uint32 *)&msg.mibattribute.data;
622 msg.msgcode = DIDMSG_DOT11REQ_MIBGET;
623 mibitem->did = DIDMIB_DOT11PHY_TXPOWERTABLE_CURRENTTXPOWERLEVEL;
624
625 result = p80211req_dorequest(wlandev, (u8 *)&msg);
626
627 if (result) {
628 err = -EFAULT;
629 goto exit;
630 }
631
632 *dbm = mibitem->data;
633
634exit:
635 return err;
636}
637
638
639void prism2_connect_result(struct wlandevice *wlandev, u8 failed)
640{
641 u16 status = failed ?
642 WLAN_STATUS_UNSPECIFIED_FAILURE : WLAN_STATUS_SUCCESS;
643
644 cfg80211_connect_result(wlandev->netdev, wlandev->bssid,
645 NULL, 0, NULL, 0, status, GFP_KERNEL);
646}
647
648void prism2_disconnected(struct wlandevice *wlandev)
649{
650 cfg80211_disconnected(wlandev->netdev, 0, NULL,
651 0, false, GFP_KERNEL);
652}
653
654void prism2_roamed(struct wlandevice *wlandev)
655{
656 struct cfg80211_roam_info roam_info = {
657 .bssid = wlandev->bssid,
658 };
659
660 cfg80211_roamed(wlandev->netdev, &roam_info, GFP_KERNEL);
661}
662
663
664static const struct cfg80211_ops prism2_usb_cfg_ops = {
665 .change_virtual_intf = prism2_change_virtual_intf,
666 .add_key = prism2_add_key,
667 .get_key = prism2_get_key,
668 .del_key = prism2_del_key,
669 .set_default_key = prism2_set_default_key,
670 .get_station = prism2_get_station,
671 .scan = prism2_scan,
672 .set_wiphy_params = prism2_set_wiphy_params,
673 .connect = prism2_connect,
674 .disconnect = prism2_disconnect,
675 .join_ibss = prism2_join_ibss,
676 .leave_ibss = prism2_leave_ibss,
677 .set_tx_power = prism2_set_tx_power,
678 .get_tx_power = prism2_get_tx_power,
679};
680
681
682static struct wiphy *wlan_create_wiphy(struct device *dev,
683 struct wlandevice *wlandev)
684{
685 struct wiphy *wiphy;
686 struct prism2_wiphy_private *priv;
687
688 wiphy = wiphy_new(&prism2_usb_cfg_ops, sizeof(*priv));
689 if (!wiphy)
690 return NULL;
691
692 priv = wiphy_priv(wiphy);
693 priv->wlandev = wlandev;
694 memcpy(priv->channels, prism2_channels, sizeof(prism2_channels));
695 memcpy(priv->rates, prism2_rates, sizeof(prism2_rates));
696 priv->band.channels = priv->channels;
697 priv->band.n_channels = ARRAY_SIZE(prism2_channels);
698 priv->band.bitrates = priv->rates;
699 priv->band.n_bitrates = ARRAY_SIZE(prism2_rates);
700 priv->band.band = NL80211_BAND_2GHZ;
701 priv->band.ht_cap.ht_supported = false;
702 wiphy->bands[NL80211_BAND_2GHZ] = &priv->band;
703
704 set_wiphy_dev(wiphy, dev);
705 wiphy->privid = prism2_wiphy_privid;
706 wiphy->max_scan_ssids = 1;
707 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION)
708 | BIT(NL80211_IFTYPE_ADHOC);
709 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
710 wiphy->n_cipher_suites = PRISM2_NUM_CIPHER_SUITES;
711 wiphy->cipher_suites = prism2_cipher_suites;
712
713 if (wiphy_register(wiphy) < 0) {
714 wiphy_free(wiphy);
715 return NULL;
716 }
717
718 return wiphy;
719}
720
721static void wlan_free_wiphy(struct wiphy *wiphy)
722{
723 wiphy_unregister(wiphy);
724 wiphy_free(wiphy);
725}
726
