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