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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_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;
58static 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
82static 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
142static 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
163pDevice->pMgmt->byCSSPK=KEY_CTL_NONE;
164pDevice->pMgmt->byCSSGK=KEY_CTL_NONE;
165KeyvInitTable(&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
185int 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 */
215static 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 */
243static 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
303static 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/*
337static 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 */
367static 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 */
401static 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
447static 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 */
469static 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                           &param->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                       &param->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 */
713static 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
760int 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	if (param != NULL)
864		kfree(param);
865
866	return ret;
867}
868