1 /*
2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * File: hostap.c
20 *
21 * Purpose: handle hostap deamon ioctl input/out functions
22 *
23 * Author: Lyndon Chen
24 *
25 * Date: Oct. 20, 2003
26 *
27 * Functions:
28 *
29 * Revision History:
30 *
31 */
32
33 #include "hostap.h"
34 #include "iocmd.h"
35 #include "mac.h"
36 #include "card.h"
37 #include "baseband.h"
38 #include "wpactl.h"
39 #include "key.h"
40
41 #define VIAWGET_HOSTAPD_MAX_BUF_SIZE 1024
42 #define HOSTAP_CRYPT_FLAG_SET_TX_KEY BIT0
43 #define HOSTAP_CRYPT_FLAG_PERMANENT BIT1
44 #define HOSTAP_CRYPT_ERR_UNKNOWN_ALG 2
45 #define HOSTAP_CRYPT_ERR_UNKNOWN_ADDR 3
46 #define HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED 4
47 #define HOSTAP_CRYPT_ERR_KEY_SET_FAILED 5
48 #define HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED 6
49 #define HOSTAP_CRYPT_ERR_CARD_CONF_FAILED 7
50
51
52 /*--------------------- Static Definitions -------------------------*/
53
54 /*--------------------- Static Classes ----------------------------*/
55
56 /*--------------------- Static Variables --------------------------*/
57 //static int msglevel =MSG_LEVEL_DEBUG;
58 static int msglevel =MSG_LEVEL_INFO;
59
60 /*--------------------- Static Functions --------------------------*/
61
62
63
64
65 /*--------------------- Export Variables --------------------------*/
66
67
68 /*
69 * Description:
70 * register net_device (AP) for hostap deamon
71 *
72 * Parameters:
73 * In:
74 * pDevice -
75 * rtnl_locked -
76 * Out:
77 *
78 * Return Value:
79 *
80 */
81
hostap_enable_hostapd(PSDevice pDevice,int rtnl_locked)82 static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked)
83 {
84 PSDevice apdev_priv;
85 struct net_device *dev = pDevice->dev;
86 int ret;
87 const struct net_device_ops apdev_netdev_ops = {
88 .ndo_start_xmit = pDevice->tx_80211,
89 };
90
91 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name);
92
93 pDevice->apdev = kzalloc(sizeof(struct net_device), GFP_KERNEL);
94 if (pDevice->apdev == NULL)
95 return -ENOMEM;
96
97 apdev_priv = netdev_priv(pDevice->apdev);
98 *apdev_priv = *pDevice;
99 memcpy(pDevice->apdev->dev_addr, dev->dev_addr, ETH_ALEN);
100
101 pDevice->apdev->netdev_ops = &apdev_netdev_ops;
102
103 pDevice->apdev->type = ARPHRD_IEEE80211;
104
105 pDevice->apdev->base_addr = dev->base_addr;
106 pDevice->apdev->irq = dev->irq;
107 pDevice->apdev->mem_start = dev->mem_start;
108 pDevice->apdev->mem_end = dev->mem_end;
109 sprintf(pDevice->apdev->name, "%sap", dev->name);
110 if (rtnl_locked)
111 ret = register_netdevice(pDevice->apdev);
112 else
113 ret = register_netdev(pDevice->apdev);
114 if (ret) {
115 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdevice(AP) failed!\n",
116 dev->name);
117 return -1;
118 }
119
120 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdevice %s for AP management\n",
121 dev->name, pDevice->apdev->name);
122
123 KeyvInitTable(&pDevice->sKey, pDevice->PortOffset);
124
125 return 0;
126 }
127
128 /*
129 * Description:
130 * unregister net_device(AP)
131 *
132 * Parameters:
133 * In:
134 * pDevice -
135 * rtnl_locked -
136 * Out:
137 *
138 * Return Value:
139 *
140 */
141
hostap_disable_hostapd(PSDevice pDevice,int rtnl_locked)142 static int hostap_disable_hostapd(PSDevice pDevice, int rtnl_locked)
143 {
144
145 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: disabling hostapd mode\n", pDevice->dev->name);
146
147 if (pDevice->apdev && pDevice->apdev->name && pDevice->apdev->name[0]) {
148 if (rtnl_locked)
149 unregister_netdevice(pDevice->apdev);
150 else
151 unregister_netdev(pDevice->apdev);
152 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
153 pDevice->dev->name, pDevice->apdev->name);
154 }
155 kfree(pDevice->apdev);
156 pDevice->apdev = NULL;
157 pDevice->bEnable8021x = false;
158 pDevice->bEnableHostWEP = false;
159 pDevice->bEncryptionEnable = false;
160
161 //4.2007-0118-03,<Add> by EinsnLiu
162 //execute some clear work
163 pDevice->pMgmt->byCSSPK=KEY_CTL_NONE;
164 pDevice->pMgmt->byCSSGK=KEY_CTL_NONE;
165 KeyvInitTable(&pDevice->sKey,pDevice->PortOffset);
166
167 return 0;
168 }
169
170
171 /*
172 * Description:
173 * Set enable/disable hostapd mode
174 *
175 * Parameters:
176 * In:
177 * pDevice -
178 * rtnl_locked -
179 * Out:
180 *
181 * Return Value:
182 *
183 */
184
vt6655_hostap_set_hostapd(PSDevice pDevice,int val,int rtnl_locked)185 int vt6655_hostap_set_hostapd(PSDevice pDevice, int val, int rtnl_locked)
186 {
187 if (val < 0 || val > 1)
188 return -EINVAL;
189
190 if (pDevice->bEnableHostapd == val)
191 return 0;
192
193 pDevice->bEnableHostapd = val;
194
195 if (val)
196 return hostap_enable_hostapd(pDevice, rtnl_locked);
197 else
198 return hostap_disable_hostapd(pDevice, rtnl_locked);
199 }
200
201
202 /*
203 * Description:
204 * remove station function supported for hostap deamon
205 *
206 * Parameters:
207 * In:
208 * pDevice -
209 * param -
210 * Out:
211 *
212 * Return Value:
213 *
214 */
hostap_remove_sta(PSDevice pDevice,struct viawget_hostapd_param * param)215 static int hostap_remove_sta(PSDevice pDevice,
216 struct viawget_hostapd_param *param)
217 {
218 unsigned int uNodeIndex;
219
220
221 if (BSSDBbIsSTAInNodeDB(pDevice->pMgmt, param->sta_addr, &uNodeIndex)) {
222 BSSvRemoveOneNode(pDevice, uNodeIndex);
223 }
224 else {
225 return -ENOENT;
226 }
227 return 0;
228 }
229
230 /*
231 * Description:
232 * add a station from hostap deamon
233 *
234 * Parameters:
235 * In:
236 * pDevice -
237 * param -
238 * Out:
239 *
240 * Return Value:
241 *
242 */
hostap_add_sta(PSDevice pDevice,struct viawget_hostapd_param * param)243 static int hostap_add_sta(PSDevice pDevice,
244 struct viawget_hostapd_param *param)
245 {
246 PSMgmtObject pMgmt = pDevice->pMgmt;
247 unsigned int uNodeIndex;
248
249
250 if (!BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
251 BSSvCreateOneNode((PSDevice)pDevice, &uNodeIndex);
252 }
253 memcpy(pMgmt->sNodeDBTable[uNodeIndex].abyMACAddr, param->sta_addr, WLAN_ADDR_LEN);
254 pMgmt->sNodeDBTable[uNodeIndex].eNodeState = NODE_ASSOC;
255 pMgmt->sNodeDBTable[uNodeIndex].wCapInfo = param->u.add_sta.capability;
256 // TODO listenInterval
257 // pMgmt->sNodeDBTable[uNodeIndex].wListenInterval = 1;
258 pMgmt->sNodeDBTable[uNodeIndex].bPSEnable = false;
259 pMgmt->sNodeDBTable[uNodeIndex].bySuppRate = param->u.add_sta.tx_supp_rates;
260
261 // set max tx rate
262 pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate =
263 pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate;
264 // set max basic rate
265 pMgmt->sNodeDBTable[uNodeIndex].wMaxBasicRate = RATE_2M;
266 // Todo: check sta preamble, if ap can't support, set status code
267 pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble =
268 WLAN_GET_CAP_INFO_SHORTPREAMBLE(pMgmt->sNodeDBTable[uNodeIndex].wCapInfo);
269
270 pMgmt->sNodeDBTable[uNodeIndex].wAID = (unsigned short)param->u.add_sta.aid;
271
272 pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer = jiffies;
273
274 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Add STA AID= %d \n", pMgmt->sNodeDBTable[uNodeIndex].wAID);
275 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "MAC=%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X \n",
276 param->sta_addr[0],
277 param->sta_addr[1],
278 param->sta_addr[2],
279 param->sta_addr[3],
280 param->sta_addr[4],
281 param->sta_addr[5]
282 ) ;
283 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Max Support rate = %d \n",
284 pMgmt->sNodeDBTable[uNodeIndex].wMaxSuppRate);
285
286 return 0;
287 }
288
289 /*
290 * Description:
291 * get station info
292 *
293 * Parameters:
294 * In:
295 * pDevice -
296 * param -
297 * Out:
298 *
299 * Return Value:
300 *
301 */
302
hostap_get_info_sta(PSDevice pDevice,struct viawget_hostapd_param * param)303 static int hostap_get_info_sta(PSDevice pDevice,
304 struct viawget_hostapd_param *param)
305 {
306 PSMgmtObject pMgmt = pDevice->pMgmt;
307 unsigned int uNodeIndex;
308
309 if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
310 param->u.get_info_sta.inactive_sec =
311 (jiffies - pMgmt->sNodeDBTable[uNodeIndex].ulLastRxJiffer) / HZ;
312
313 //param->u.get_info_sta.txexc = pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts;
314 }
315 else {
316 return -ENOENT;
317 }
318
319 return 0;
320 }
321
322 /*
323 * Description:
324 * reset txexec
325 *
326 * Parameters:
327 * In:
328 * pDevice -
329 * param -
330 * Out:
331 * true, false
332 *
333 * Return Value:
334 *
335 */
336 /*
337 static int hostap_reset_txexc_sta(PSDevice pDevice,
338 struct viawget_hostapd_param *param)
339 {
340 PSMgmtObject pMgmt = pDevice->pMgmt;
341 unsigned int uNodeIndex;
342
343 if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
344 pMgmt->sNodeDBTable[uNodeIndex].uTxAttempts = 0;
345 }
346 else {
347 return -ENOENT;
348 }
349
350 return 0;
351 }
352 */
353
354 /*
355 * Description:
356 * set station flag
357 *
358 * Parameters:
359 * In:
360 * pDevice -
361 * param -
362 * Out:
363 *
364 * Return Value:
365 *
366 */
hostap_set_flags_sta(PSDevice pDevice,struct viawget_hostapd_param * param)367 static int hostap_set_flags_sta(PSDevice pDevice,
368 struct viawget_hostapd_param *param)
369 {
370 PSMgmtObject pMgmt = pDevice->pMgmt;
371 unsigned int uNodeIndex;
372
373 if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &uNodeIndex)) {
374 pMgmt->sNodeDBTable[uNodeIndex].dwFlags |= param->u.set_flags_sta.flags_or;
375 pMgmt->sNodeDBTable[uNodeIndex].dwFlags &= param->u.set_flags_sta.flags_and;
376 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " dwFlags = %x \n",
377 (unsigned int)pMgmt->sNodeDBTable[uNodeIndex].dwFlags);
378 }
379 else {
380 return -ENOENT;
381 }
382
383 return 0;
384 }
385
386
387
388 /*
389 * Description:
390 * set generic element (wpa ie)
391 *
392 * Parameters:
393 * In:
394 * pDevice -
395 * param -
396 * Out:
397 *
398 * Return Value:
399 *
400 */
hostap_set_generic_element(PSDevice pDevice,struct viawget_hostapd_param * param)401 static int hostap_set_generic_element(PSDevice pDevice,
402 struct viawget_hostapd_param *param)
403 {
404 PSMgmtObject pMgmt = pDevice->pMgmt;
405
406
407
408 memcpy( pMgmt->abyWPAIE,
409 param->u.generic_elem.data,
410 param->u.generic_elem.len
411 );
412
413 pMgmt->wWPAIELen = param->u.generic_elem.len;
414
415 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pMgmt->wWPAIELen = %d\n", pMgmt->wWPAIELen);
416
417 // disable wpa
418 if (pMgmt->wWPAIELen == 0) {
419 pMgmt->eAuthenMode = WMAC_AUTH_OPEN;
420 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " No WPAIE, Disable WPA \n");
421 } else {
422 // enable wpa
423 if ((pMgmt->abyWPAIE[0] == WLAN_EID_RSN_WPA) ||
424 (pMgmt->abyWPAIE[0] == WLAN_EID_RSN)) {
425 pMgmt->eAuthenMode = WMAC_AUTH_WPANONE;
426 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set WPAIE enable WPA\n");
427 } else
428 return -EINVAL;
429 }
430
431 return 0;
432 }
433
434 /*
435 * Description:
436 * flush station nodes table.
437 *
438 * Parameters:
439 * In:
440 * pDevice -
441 * Out:
442 *
443 * Return Value:
444 *
445 */
446
hostap_flush_sta(PSDevice pDevice)447 static void hostap_flush_sta(PSDevice pDevice)
448 {
449 // reserved node index =0 for multicast node.
450 BSSvClearNodeDBTable(pDevice, 1);
451 pDevice->uAssocCount = 0;
452
453 return;
454 }
455
456 /*
457 * Description:
458 * set each stations encryption key
459 *
460 * Parameters:
461 * In:
462 * pDevice -
463 * param -
464 * Out:
465 *
466 * Return Value:
467 *
468 */
hostap_set_encryption(PSDevice pDevice,struct viawget_hostapd_param * param,int param_len)469 static int hostap_set_encryption(PSDevice pDevice,
470 struct viawget_hostapd_param *param,
471 int param_len)
472 {
473 PSMgmtObject pMgmt = pDevice->pMgmt;
474 unsigned long dwKeyIndex = 0;
475 unsigned char abyKey[MAX_KEY_LEN];
476 unsigned char abySeq[MAX_KEY_LEN];
477 NDIS_802_11_KEY_RSC KeyRSC;
478 unsigned char byKeyDecMode = KEY_CTL_WEP;
479 int ret = 0;
480 int iNodeIndex = -1;
481 int ii;
482 bool bKeyTableFull = false;
483 unsigned short wKeyCtl = 0;
484
485
486 param->u.crypt.err = 0;
487 /*
488 if (param_len !=
489 (int) ((char *) param->u.crypt.key - (char *) param) +
490 param->u.crypt.key_len)
491 return -EINVAL;
492 */
493
494 if (param->u.crypt.alg > WPA_ALG_CCMP)
495 return -EINVAL;
496
497
498 if ((param->u.crypt.idx > 3) || (param->u.crypt.key_len > MAX_KEY_LEN)) {
499 param->u.crypt.err = HOSTAP_CRYPT_ERR_KEY_SET_FAILED;
500 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_KEY_SET_FAILED\n");
501 return -EINVAL;
502 }
503
504 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
505 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
506 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
507 if (param->u.crypt.idx >= MAX_GROUP_KEY)
508 return -EINVAL;
509 iNodeIndex = 0;
510
511 } else {
512 if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &iNodeIndex) == false) {
513 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
514 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
515 return -EINVAL;
516 }
517 }
518 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: sta_index %d \n", iNodeIndex);
519 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " hostap_set_encryption: alg %d \n", param->u.crypt.alg);
520
521 if (param->u.crypt.alg == WPA_ALG_NONE) {
522
523 if (pMgmt->sNodeDBTable[iNodeIndex].bOnFly == true) {
524 if (KeybRemoveKey(&(pDevice->sKey),
525 param->sta_addr,
526 pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex,
527 pDevice->PortOffset) == false) {
528 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "KeybRemoveKey fail \n");
529 }
530 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
531 }
532 pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = 0;
533 pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = 0;
534 pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = 0;
535 pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = 0;
536 pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
537 pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
538 pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = 0;
539 memset(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
540 0,
541 MAX_KEY_LEN
542 );
543
544 return ret;
545 }
546
547 memcpy(abyKey, param->u.crypt.key, param->u.crypt.key_len);
548 // copy to node key tbl
549 pMgmt->sNodeDBTable[iNodeIndex].byKeyIndex = param->u.crypt.idx;
550 pMgmt->sNodeDBTable[iNodeIndex].uWepKeyLength = param->u.crypt.key_len;
551 memcpy(&pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
552 param->u.crypt.key,
553 param->u.crypt.key_len
554 );
555
556 dwKeyIndex = (unsigned long)(param->u.crypt.idx);
557 if (param->u.crypt.flags & HOSTAP_CRYPT_FLAG_SET_TX_KEY) {
558 pDevice->byKeyIndex = (unsigned char)dwKeyIndex;
559 pDevice->bTransmitKey = true;
560 dwKeyIndex |= (1 << 31);
561 }
562
563 if (param->u.crypt.alg == WPA_ALG_WEP) {
564
565 if ((pDevice->bEnable8021x == false) || (iNodeIndex == 0)) {
566 KeybSetDefaultKey(&(pDevice->sKey),
567 dwKeyIndex & ~(BIT30 | USE_KEYRSC),
568 param->u.crypt.key_len,
569 NULL,
570 abyKey,
571 KEY_CTL_WEP,
572 pDevice->PortOffset,
573 pDevice->byLocalID);
574
575 } else {
576 // 8021x enable, individual key
577 dwKeyIndex |= (1 << 30); // set pairwise key
578 if (KeybSetKey(&(pDevice->sKey),
579 ¶m->sta_addr[0],
580 dwKeyIndex & ~(USE_KEYRSC),
581 param->u.crypt.key_len,
582 (PQWORD) &(KeyRSC),
583 (unsigned char *)abyKey,
584 KEY_CTL_WEP,
585 pDevice->PortOffset,
586 pDevice->byLocalID) == true) {
587
588 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
589
590 } else {
591 // Key Table Full
592 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
593 bKeyTableFull = true;
594 }
595 }
596 pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled;
597 pDevice->bEncryptionEnable = true;
598 pMgmt->byCSSPK = KEY_CTL_WEP;
599 pMgmt->byCSSGK = KEY_CTL_WEP;
600 pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = KEY_CTL_WEP;
601 pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
602 return ret;
603 }
604
605 if (param->u.crypt.seq) {
606 memcpy(&abySeq, param->u.crypt.seq, 8);
607 for (ii = 0 ; ii < 8 ; ii++) {
608 KeyRSC |= (abySeq[ii] << (ii * 8));
609 }
610 dwKeyIndex |= 1 << 29;
611 pMgmt->sNodeDBTable[iNodeIndex].KeyRSC = KeyRSC;
612 }
613
614 if (param->u.crypt.alg == WPA_ALG_TKIP) {
615 if (param->u.crypt.key_len != MAX_KEY_LEN)
616 return -EINVAL;
617 pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled;
618 byKeyDecMode = KEY_CTL_TKIP;
619 pMgmt->byCSSPK = KEY_CTL_TKIP;
620 pMgmt->byCSSGK = KEY_CTL_TKIP;
621 }
622
623 if (param->u.crypt.alg == WPA_ALG_CCMP) {
624 if ((param->u.crypt.key_len != AES_KEY_LEN) ||
625 (pDevice->byLocalID <= REV_ID_VT3253_A1))
626 return -EINVAL;
627 pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled;
628 byKeyDecMode = KEY_CTL_CCMP;
629 pMgmt->byCSSPK = KEY_CTL_CCMP;
630 pMgmt->byCSSGK = KEY_CTL_CCMP;
631 }
632
633
634 if (iNodeIndex == 0) {
635 KeybSetDefaultKey(&(pDevice->sKey),
636 dwKeyIndex,
637 param->u.crypt.key_len,
638 (PQWORD) &(KeyRSC),
639 abyKey,
640 byKeyDecMode,
641 pDevice->PortOffset,
642 pDevice->byLocalID);
643 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
644
645 } else {
646 dwKeyIndex |= (1 << 30); // set pairwise key
647 if (KeybSetKey(&(pDevice->sKey),
648 ¶m->sta_addr[0],
649 dwKeyIndex,
650 param->u.crypt.key_len,
651 (PQWORD) &(KeyRSC),
652 (unsigned char *)abyKey,
653 byKeyDecMode,
654 pDevice->PortOffset,
655 pDevice->byLocalID) == true) {
656
657 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = true;
658
659 } else {
660 // Key Table Full
661 pMgmt->sNodeDBTable[iNodeIndex].bOnFly = false;
662 bKeyTableFull = true;
663 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Key Table Full\n");
664 }
665
666 }
667
668 if (bKeyTableFull == true) {
669 wKeyCtl &= 0x7F00; // clear all key control filed
670 wKeyCtl |= (byKeyDecMode << 4);
671 wKeyCtl |= (byKeyDecMode);
672 wKeyCtl |= 0x0044; // use group key for all address
673 wKeyCtl |= 0x4000; // disable KeyTable[MAX_KEY_TABLE-1] on-fly to genernate rx int
674 MACvSetDefaultKeyCtl(pDevice->PortOffset, wKeyCtl, MAX_KEY_TABLE-1, pDevice->byLocalID);
675 }
676
677 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " Set key sta_index= %d \n", iNodeIndex);
678 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " tx_index=%d len=%d \n", param->u.crypt.idx,
679 param->u.crypt.key_len );
680 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n",
681 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[0],
682 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[1],
683 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[2],
684 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[3],
685 pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[4]
686 );
687
688 // set wep key
689 pDevice->bEncryptionEnable = true;
690 pMgmt->sNodeDBTable[iNodeIndex].byCipherSuite = byKeyDecMode;
691 pMgmt->sNodeDBTable[iNodeIndex].dwKeyIndex = dwKeyIndex;
692 pMgmt->sNodeDBTable[iNodeIndex].dwTSC47_16 = 0;
693 pMgmt->sNodeDBTable[iNodeIndex].wTSC15_0 = 0;
694
695 return ret;
696 }
697
698
699
700 /*
701 * Description:
702 * get each stations encryption key
703 *
704 * Parameters:
705 * In:
706 * pDevice -
707 * param -
708 * Out:
709 *
710 * Return Value:
711 *
712 */
hostap_get_encryption(PSDevice pDevice,struct viawget_hostapd_param * param,int param_len)713 static int hostap_get_encryption(PSDevice pDevice,
714 struct viawget_hostapd_param *param,
715 int param_len)
716 {
717 PSMgmtObject pMgmt = pDevice->pMgmt;
718 int ret = 0;
719 int ii;
720 int iNodeIndex =0;
721
722
723 param->u.crypt.err = 0;
724
725 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
726 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
727 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
728 iNodeIndex = 0;
729 } else {
730 if (BSSDBbIsSTAInNodeDB(pMgmt, param->sta_addr, &iNodeIndex) == false) {
731 param->u.crypt.err = HOSTAP_CRYPT_ERR_UNKNOWN_ADDR;
732 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: HOSTAP_CRYPT_ERR_UNKNOWN_ADDR\n");
733 return -EINVAL;
734 }
735 }
736 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "hostap_get_encryption: %d\n", iNodeIndex);
737 memset(param->u.crypt.seq, 0, 8);
738 for (ii = 0 ; ii < 8 ; ii++) {
739 param->u.crypt.seq[ii] = (unsigned char)pMgmt->sNodeDBTable[iNodeIndex].KeyRSC >> (ii * 8);
740 }
741
742 return ret;
743 }
744
745
746 /*
747 * Description:
748 * vt6655_hostap_ioctl main function supported for hostap deamon.
749 *
750 * Parameters:
751 * In:
752 * pDevice -
753 * iw_point -
754 * Out:
755 *
756 * Return Value:
757 *
758 */
759
vt6655_hostap_ioctl(PSDevice pDevice,struct iw_point * p)760 int vt6655_hostap_ioctl(PSDevice pDevice, struct iw_point *p)
761 {
762 struct viawget_hostapd_param *param;
763 int ret = 0;
764 int ap_ioctl = 0;
765
766 if (p->length < sizeof(struct viawget_hostapd_param) ||
767 p->length > VIAWGET_HOSTAPD_MAX_BUF_SIZE || !p->pointer)
768 return -EINVAL;
769
770 param = kmalloc((int)p->length, (int)GFP_KERNEL);
771 if (param == NULL)
772 return -ENOMEM;
773
774 if (copy_from_user(param, p->pointer, p->length)) {
775 ret = -EFAULT;
776 goto out;
777 }
778
779 switch (param->cmd) {
780 case VIAWGET_HOSTAPD_SET_ENCRYPTION:
781 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ENCRYPTION \n");
782 spin_lock_irq(&pDevice->lock);
783 ret = hostap_set_encryption(pDevice, param, p->length);
784 spin_unlock_irq(&pDevice->lock);
785 break;
786 case VIAWGET_HOSTAPD_GET_ENCRYPTION:
787 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_ENCRYPTION \n");
788 spin_lock_irq(&pDevice->lock);
789 ret = hostap_get_encryption(pDevice, param, p->length);
790 spin_unlock_irq(&pDevice->lock);
791 break;
792 case VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR:
793 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR \n");
794 return -EOPNOTSUPP;
795 break;
796 case VIAWGET_HOSTAPD_FLUSH:
797 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_FLUSH \n");
798 spin_lock_irq(&pDevice->lock);
799 hostap_flush_sta(pDevice);
800 spin_unlock_irq(&pDevice->lock);
801 break;
802 case VIAWGET_HOSTAPD_ADD_STA:
803 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_ADD_STA \n");
804 spin_lock_irq(&pDevice->lock);
805 ret = hostap_add_sta(pDevice, param);
806 spin_unlock_irq(&pDevice->lock);
807 break;
808 case VIAWGET_HOSTAPD_REMOVE_STA:
809 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_REMOVE_STA \n");
810 spin_lock_irq(&pDevice->lock);
811 ret = hostap_remove_sta(pDevice, param);
812 spin_unlock_irq(&pDevice->lock);
813 break;
814 case VIAWGET_HOSTAPD_GET_INFO_STA:
815 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_GET_INFO_STA \n");
816 ret = hostap_get_info_sta(pDevice, param);
817 ap_ioctl = 1;
818 break;
819 /*
820 case VIAWGET_HOSTAPD_RESET_TXEXC_STA:
821 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_RESET_TXEXC_STA \n");
822 ret = hostap_reset_txexc_sta(pDevice, param);
823 break;
824 */
825 case VIAWGET_HOSTAPD_SET_FLAGS_STA:
826 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_FLAGS_STA \n");
827 ret = hostap_set_flags_sta(pDevice, param);
828 break;
829
830 case VIAWGET_HOSTAPD_MLME:
831 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_MLME \n");
832 return -EOPNOTSUPP;
833
834 case VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT:
835 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT \n");
836 ret = hostap_set_generic_element(pDevice, param);
837 break;
838
839 case VIAWGET_HOSTAPD_SCAN_REQ:
840 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SCAN_REQ \n");
841 return -EOPNOTSUPP;
842
843 case VIAWGET_HOSTAPD_STA_CLEAR_STATS:
844 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_STA_CLEAR_STATS \n");
845 return -EOPNOTSUPP;
846
847 default:
848 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6655_hostap_ioctl: unknown cmd=%d\n",
849 (int)param->cmd);
850 return -EOPNOTSUPP;
851 break;
852 }
853
854
855 if ((ret == 0) && ap_ioctl) {
856 if (copy_to_user(p->pointer, param, p->length)) {
857 ret = -EFAULT;
858 goto out;
859 }
860 }
861
862 out:
863 kfree(param);
864
865 return ret;
866 }
867
868