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