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6
7#define _RTW_WLAN_UTIL_C_
8
9#include <drv_types.h>
10#include <rtw_debug.h>
11#include <hal_com_h2c.h>
12
13static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
14static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
15
16static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
17static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
18static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5};
19
20static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
21static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
22static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
23static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
24static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
25static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02};
26static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02};
27
28#define R2T_PHY_DELAY (0)
29
30
31#define WAIT_FOR_BCN_TO_MIN (6000)
32#define WAIT_FOR_BCN_TO_MAX (20000)
33
34#define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000
35#define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3
36
37static u8 rtw_basic_rate_cck[4] = {
38 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
39 IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
40 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
41 IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
42};
43
44static u8 rtw_basic_rate_ofdm[3] = {
45 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK,
46 IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
47 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
48};
49
50u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
51{
52 u8 raid, cur_rf_type, rf_type = RF_1T1R;
53
54 rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type));
55
56 if (cur_rf_type == RF_1T1R) {
57 rf_type = RF_1T1R;
58 } else if (IsSupportedHT(psta->wireless_mode)) {
59 if (psta->ra_mask & 0xfff00000)
60 rf_type = RF_2T2R;
61 }
62
63 switch (psta->wireless_mode) {
64 case WIRELESS_11B:
65 raid = RATEID_IDX_B;
66 break;
67 case WIRELESS_11G:
68 raid = RATEID_IDX_G;
69 break;
70 case WIRELESS_11BG:
71 raid = RATEID_IDX_BG;
72 break;
73 case WIRELESS_11_24N:
74 case WIRELESS_11G_24N:
75 if (rf_type == RF_2T2R)
76 raid = RATEID_IDX_GN_N2SS;
77 else
78 raid = RATEID_IDX_GN_N1SS;
79 break;
80 case WIRELESS_11B_24N:
81 case WIRELESS_11BG_24N:
82 if (psta->bw_mode == CHANNEL_WIDTH_20) {
83 if (rf_type == RF_2T2R)
84 raid = RATEID_IDX_BGN_20M_2SS_BN;
85 else
86 raid = RATEID_IDX_BGN_20M_1SS_BN;
87 } else {
88 if (rf_type == RF_2T2R)
89 raid = RATEID_IDX_BGN_40M_2SS;
90 else
91 raid = RATEID_IDX_BGN_40M_1SS;
92 }
93 break;
94 default:
95 raid = RATEID_IDX_BGN_40M_2SS;
96 break;
97 }
98 return raid;
99}
100
101unsigned char ratetbl_val_2wifirate(unsigned char rate);
102unsigned char ratetbl_val_2wifirate(unsigned char rate)
103{
104 switch (rate & 0x7f) {
105 case 0:
106 return IEEE80211_CCK_RATE_1MB;
107 case 1:
108 return IEEE80211_CCK_RATE_2MB;
109 case 2:
110 return IEEE80211_CCK_RATE_5MB;
111 case 3:
112 return IEEE80211_CCK_RATE_11MB;
113 case 4:
114 return IEEE80211_OFDM_RATE_6MB;
115 case 5:
116 return IEEE80211_OFDM_RATE_9MB;
117 case 6:
118 return IEEE80211_OFDM_RATE_12MB;
119 case 7:
120 return IEEE80211_OFDM_RATE_18MB;
121 case 8:
122 return IEEE80211_OFDM_RATE_24MB;
123 case 9:
124 return IEEE80211_OFDM_RATE_36MB;
125 case 10:
126 return IEEE80211_OFDM_RATE_48MB;
127 case 11:
128 return IEEE80211_OFDM_RATE_54MB;
129 default:
130 return 0;
131 }
132}
133
134int is_basicrate(struct adapter *padapter, unsigned char rate);
135int is_basicrate(struct adapter *padapter, unsigned char rate)
136{
137 int i;
138 unsigned char val;
139 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
140
141 for (i = 0; i < NumRates; i++) {
142 val = pmlmeext->basicrate[i];
143
144 if ((val != 0xff) && (val != 0xfe))
145 if (rate == ratetbl_val_2wifirate(val))
146 return true;
147 }
148
149 return false;
150}
151
152unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset);
153unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
154{
155 int i;
156 unsigned char rate;
157 unsigned int len = 0;
158 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
159
160 for (i = 0; i < NumRates; i++) {
161 rate = pmlmeext->datarate[i];
162
163 switch (rate) {
164 case 0xff:
165 return len;
166
167 case 0xfe:
168 continue;
169
170 default:
171 rate = ratetbl_val_2wifirate(rate);
172
173 if (is_basicrate(padapter, rate) == true)
174 rate |= IEEE80211_BASIC_RATE_MASK;
175
176 rateset[len] = rate;
177 len++;
178 break;
179 }
180 }
181 return len;
182}
183
184void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
185{
186 unsigned char supportedrates[NumRates];
187
188 memset(supportedrates, 0, NumRates);
189 *bssrate_len = ratetbl2rateset(padapter, supportedrates);
190 memcpy(pbssrate, supportedrates, *bssrate_len);
191}
192
193void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask)
194{
195 u8 mcs_rate_1r = (u8)(mask&0xff);
196 u8 mcs_rate_2r = (u8)((mask>>8)&0xff);
197 u8 mcs_rate_3r = (u8)((mask>>16)&0xff);
198 u8 mcs_rate_4r = (u8)((mask>>24)&0xff);
199
200 mcs_set[0] &= mcs_rate_1r;
201 mcs_set[1] &= mcs_rate_2r;
202 mcs_set[2] &= mcs_rate_3r;
203 mcs_set[3] &= mcs_rate_4r;
204}
205
206void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS)
207{
208 u8 i;
209 u8 rate;
210
211
212 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
213 rate = mBratesOS[i] & 0x7f;
214 switch (rate) {
215 case IEEE80211_CCK_RATE_1MB:
216 case IEEE80211_CCK_RATE_2MB:
217 case IEEE80211_CCK_RATE_5MB:
218 case IEEE80211_CCK_RATE_11MB:
219 case IEEE80211_OFDM_RATE_6MB:
220 case IEEE80211_OFDM_RATE_12MB:
221 case IEEE80211_OFDM_RATE_24MB:
222 mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK;
223 break;
224 }
225 }
226}
227
228void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
229{
230 u8 i;
231 u8 rate;
232
233 for (i = 0; i < bssratelen; i++) {
234 rate = bssrateset[i] & 0x7f;
235 switch (rate) {
236 case IEEE80211_CCK_RATE_1MB:
237 case IEEE80211_CCK_RATE_2MB:
238 case IEEE80211_CCK_RATE_5MB:
239 case IEEE80211_CCK_RATE_11MB:
240 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
241 break;
242 }
243 }
244}
245
246void Save_DM_Func_Flag(struct adapter *padapter)
247{
248 u8 bSaveFlag = true;
249
250 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
251}
252
253void Restore_DM_Func_Flag(struct adapter *padapter)
254{
255 u8 bSaveFlag = false;
256
257 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
258}
259
260void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
261{
262 if (enable == true)
263 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
264 else
265 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
266}
267
268void Set_MSR(struct adapter *padapter, u8 type)
269{
270 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
271}
272
273inline u8 rtw_get_oper_ch(struct adapter *adapter)
274{
275 return adapter_to_dvobj(adapter)->oper_channel;
276}
277
278inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
279{
280#ifdef DBG_CH_SWITCH
281 const int len = 128;
282 char msg[128] = {0};
283 int cnt = 0;
284 int i = 0;
285#endif
286 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
287
288 if (dvobj->oper_channel != ch) {
289 dvobj->on_oper_ch_time = jiffies;
290
291#ifdef DBG_CH_SWITCH
292 cnt += scnprintf(msg+cnt, len-cnt, "switch to ch %3u", ch);
293
294 for (i = 0; i < dvobj->iface_nums; i++) {
295 struct adapter *iface = dvobj->padapters[i];
296
297 cnt += scnprintf(msg+cnt, len-cnt, " [%s:", ADPT_ARG(iface));
298 if (iface->mlmeextpriv.cur_channel == ch)
299 cnt += scnprintf(msg+cnt, len-cnt, "C");
300 else
301 cnt += scnprintf(msg+cnt, len-cnt, "_");
302 if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
303 cnt += scnprintf(msg+cnt, len-cnt, "L");
304 else
305 cnt += scnprintf(msg+cnt, len-cnt, "_");
306 cnt += scnprintf(msg+cnt, len-cnt, "]");
307 }
308
309#endif
310 }
311
312 dvobj->oper_channel = ch;
313}
314
315inline u8 rtw_get_oper_bw(struct adapter *adapter)
316{
317 return adapter_to_dvobj(adapter)->oper_bwmode;
318}
319
320inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
321{
322 adapter_to_dvobj(adapter)->oper_bwmode = bw;
323}
324
325inline u8 rtw_get_oper_choffset(struct adapter *adapter)
326{
327 return adapter_to_dvobj(adapter)->oper_ch_offset;
328}
329
330inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
331{
332 adapter_to_dvobj(adapter)->oper_ch_offset = offset;
333}
334
335u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset)
336{
337 u8 center_ch = channel;
338
339 if (chnl_bw == CHANNEL_WIDTH_40) {
340 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
341 center_ch = channel + 2;
342 else
343 center_ch = channel - 2;
344 }
345
346 return center_ch;
347}
348
349inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter)
350{
351 if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel)
352 return adapter_to_dvobj(adapter)->on_oper_ch_time;
353 else
354 return 0;
355}
356
357void SelectChannel(struct adapter *padapter, unsigned char channel)
358{
359 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
360 return;
361
362
363 rtw_set_oper_ch(padapter, channel);
364
365 rtw_hal_set_chan(padapter, channel);
366
367 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
368}
369
370void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
371{
372 u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
373
374 center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
375
376
377
378 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
379 return;
380
381
382 rtw_set_oper_ch(padapter, channel);
383 rtw_set_oper_bw(padapter, bwmode);
384 rtw_set_oper_choffset(padapter, channel_offset);
385
386 rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80);
387
388 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
389}
390
391inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
392{
393 return pnetwork->MacAddress;
394}
395
396u16 get_beacon_interval(struct wlan_bssid_ex *bss)
397{
398 __le16 val;
399
400 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
401
402 return le16_to_cpu(val);
403}
404
405int is_client_associated_to_ap(struct adapter *padapter)
406{
407 struct mlme_ext_priv *pmlmeext;
408 struct mlme_ext_info *pmlmeinfo;
409
410 if (!padapter)
411 return _FAIL;
412
413 pmlmeext = &padapter->mlmeextpriv;
414 pmlmeinfo = &(pmlmeext->mlmext_info);
415
416 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
417 return true;
418 else
419 return _FAIL;
420}
421
422int is_client_associated_to_ibss(struct adapter *padapter)
423{
424 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
425 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
426
427 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
428 return true;
429 else
430 return _FAIL;
431}
432
433int is_IBSS_empty(struct adapter *padapter)
434{
435 unsigned int i;
436 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
437 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
438
439 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
440 if (pmlmeinfo->FW_sta_info[i].status == 1)
441 return _FAIL;
442 }
443
444 return true;
445}
446
447unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
448{
449 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
450 return WAIT_FOR_BCN_TO_MIN;
451 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
452 return WAIT_FOR_BCN_TO_MAX;
453 else
454 return bcn_interval << 2;
455}
456
457void invalidate_cam_all(struct adapter *padapter)
458{
459 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
460 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
461
462 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
463
464 spin_lock_bh(&cam_ctl->lock);
465 cam_ctl->bitmap = 0;
466 memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY);
467 spin_unlock_bh(&cam_ctl->lock);
468}
469
470static u32 _ReadCAM(struct adapter *padapter, u32 addr)
471{
472 u32 count = 0, cmd;
473
474 cmd = CAM_POLLINIG | addr;
475 rtw_write32(padapter, RWCAM, cmd);
476
477 do {
478 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG))
479 break;
480 } while (count++ < 100);
481
482 return rtw_read32(padapter, REG_CAMREAD);
483}
484
485void read_cam(struct adapter *padapter, u8 entry, u8 *get_key)
486{
487 u32 j, addr, cmd;
488
489 addr = entry << 3;
490
491 for (j = 0; j < 6; j++) {
492 cmd = _ReadCAM(padapter, addr+j);
493 if (j > 1)
494 memcpy(get_key+(j-2)*4, &cmd, 4);
495 }
496}
497
498void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
499{
500 unsigned int i, val, addr;
501 int j;
502 u32 cam_val[2];
503
504 addr = entry << 3;
505
506 for (j = 5; j >= 0; j--) {
507 switch (j) {
508 case 0:
509 val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
510 break;
511 case 1:
512 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
513 break;
514 default:
515 i = (j - 2) << 2;
516 val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
517 break;
518 }
519
520 cam_val[0] = val;
521 cam_val[1] = addr + (unsigned int)j;
522
523 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
524 }
525}
526
527void _clear_cam_entry(struct adapter *padapter, u8 entry)
528{
529 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
530 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
531
532 _write_cam(padapter, entry, 0, null_sta, null_key);
533}
534
535inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
536{
537 _write_cam(adapter, id, ctrl, mac, key);
538 write_cam_cache(adapter, id, ctrl, mac, key);
539}
540
541inline void clear_cam_entry(struct adapter *adapter, u8 id)
542{
543 _clear_cam_entry(adapter, id);
544 clear_cam_cache(adapter, id);
545}
546
547void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
548{
549 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
550 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
551
552 spin_lock_bh(&cam_ctl->lock);
553
554 dvobj->cam_cache[id].ctrl = ctrl;
555 memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN);
556 memcpy(dvobj->cam_cache[id].key, key, 16);
557
558 spin_unlock_bh(&cam_ctl->lock);
559}
560
561void clear_cam_cache(struct adapter *adapter, u8 id)
562{
563 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
564 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
565
566 spin_lock_bh(&cam_ctl->lock);
567
568 memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache));
569
570 spin_unlock_bh(&cam_ctl->lock);
571}
572
573static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id)
574{
575 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
576 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
577 bool ret = false;
578
579 if (cam_id >= TOTAL_CAM_ENTRY)
580 goto exit;
581
582 if (!(cam_ctl->bitmap & BIT(cam_id)))
583 goto exit;
584
585 ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false;
586
587exit:
588 return ret;
589}
590
591static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
592{
593 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
594 int i;
595 s16 cam_id = -1;
596
597 for (i = 0; i < TOTAL_CAM_ENTRY; i++) {
598 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN))
599 continue;
600 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03))
601 continue;
602
603 cam_id = i;
604 break;
605 }
606
607 return cam_id;
608}
609
610s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
611{
612 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
613 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
614 s16 cam_id = -1;
615
616 spin_lock_bh(&cam_ctl->lock);
617 cam_id = _rtw_camid_search(adapter, addr, kid);
618 spin_unlock_bh(&cam_ctl->lock);
619
620 return cam_id;
621}
622
623s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid)
624{
625 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
626 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
627 s16 cam_id = -1;
628 struct mlme_ext_info *mlmeinfo;
629
630 spin_lock_bh(&cam_ctl->lock);
631
632 mlmeinfo = &adapter->mlmeextpriv.mlmext_info;
633
634 if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
635 && !sta) {
636
637 if (kid > 3) {
638 netdev_dbg(adapter->pnetdev,
639 FUNC_ADPT_FMT " group key with invalid key id:%u\n",
640 FUNC_ADPT_ARG(adapter), kid);
641 rtw_warn_on(1);
642 goto bitmap_handle;
643 }
644
645 cam_id = kid;
646 } else {
647 int i;
648 u8 *addr = sta?sta->hwaddr:NULL;
649
650 if (!sta) {
651 if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
652
653 goto bitmap_handle;
654 }
655
656 addr = get_bssid(&adapter->mlmepriv);
657 }
658
659 i = _rtw_camid_search(adapter, addr, kid);
660 if (i >= 0) {
661
662 if (sta || _rtw_camid_is_gk(adapter, i))
663 cam_id = i;
664 else
665 netdev_dbg(adapter->pnetdev,
666 FUNC_ADPT_FMT " group key id:%u the same key id as pairwise key\n",
667 FUNC_ADPT_ARG(adapter), kid);
668 goto bitmap_handle;
669 }
670
671 for (i = 4; i < TOTAL_CAM_ENTRY; i++)
672 if (!(cam_ctl->bitmap & BIT(i)))
673 break;
674
675 if (i == TOTAL_CAM_ENTRY) {
676 if (sta)
677 netdev_dbg(adapter->pnetdev,
678 FUNC_ADPT_FMT " pairwise key with %pM id:%u no room\n",
679 FUNC_ADPT_ARG(adapter),
680 MAC_ARG(sta->hwaddr), kid);
681 else
682 netdev_dbg(adapter->pnetdev,
683 FUNC_ADPT_FMT " group key id:%u no room\n",
684 FUNC_ADPT_ARG(adapter), kid);
685 rtw_warn_on(1);
686 goto bitmap_handle;
687 }
688
689 cam_id = i;
690 }
691
692bitmap_handle:
693 if (cam_id >= 0 && cam_id < 32)
694 cam_ctl->bitmap |= BIT(cam_id);
695
696 spin_unlock_bh(&cam_ctl->lock);
697
698 return cam_id;
699}
700
701void rtw_camid_free(struct adapter *adapter, u8 cam_id)
702{
703 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
704 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
705
706 spin_lock_bh(&cam_ctl->lock);
707
708 if (cam_id < TOTAL_CAM_ENTRY)
709 cam_ctl->bitmap &= ~(BIT(cam_id));
710
711 spin_unlock_bh(&cam_ctl->lock);
712}
713
714int allocate_fw_sta_entry(struct adapter *padapter)
715{
716 unsigned int mac_id;
717 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
718 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
719
720 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
721 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
722 pmlmeinfo->FW_sta_info[mac_id].status = 1;
723 pmlmeinfo->FW_sta_info[mac_id].retry = 0;
724 break;
725 }
726 }
727
728 return mac_id;
729}
730
731void flush_all_cam_entry(struct adapter *padapter)
732{
733 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
734 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
735
736 invalidate_cam_all(padapter);
737
738 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false);
739
740 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
741}
742
743int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
744{
745
746 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
747 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
748 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
749
750 if (pmlmepriv->qospriv.qos_option == 0) {
751 pmlmeinfo->WMM_enable = 0;
752 return false;
753 }
754
755 if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)))
756 return false;
757 else
758 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
759
760 pmlmeinfo->WMM_enable = 1;
761 return true;
762}
763
764static void sort_wmm_ac_params(u32 *inx, u32 *edca)
765{
766 u32 i, j, change_inx = false;
767
768
769 for (i = 0; i < 4; i++) {
770 for (j = i + 1; j < 4; j++) {
771
772 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
773 change_inx = true;
774 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
775
776 if ((edca[j] >> 16) > (edca[i] >> 16))
777 change_inx = true;
778 }
779
780 if (change_inx) {
781 swap(edca[i], edca[j]);
782 swap(inx[i], inx[j]);
783
784 change_inx = false;
785 }
786 }
787 }
788}
789
790void WMMOnAssocRsp(struct adapter *padapter)
791{
792 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
793 u8 acm_mask;
794 u16 TXOP;
795 u32 acParm, i;
796 u32 edca[4], inx[4];
797 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
798 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
799 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
800 struct registry_priv *pregpriv = &padapter->registrypriv;
801
802 acm_mask = 0;
803
804 if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N)
805 aSifsTime = 16;
806 else
807 aSifsTime = 10;
808
809 if (pmlmeinfo->WMM_enable == 0) {
810 padapter->mlmepriv.acm_mask = 0;
811
812 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
813
814 if (pmlmeext->cur_wireless_mode & WIRELESS_11G) {
815 ECWMin = 4;
816 ECWMax = 10;
817 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
818 ECWMin = 5;
819 ECWMax = 10;
820 } else {
821 ECWMin = 4;
822 ECWMax = 10;
823 }
824
825 TXOP = 0;
826 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
827 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
828 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
829 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
830
831 ECWMin = 2;
832 ECWMax = 3;
833 TXOP = 0x2f;
834 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
835 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
836 } else {
837 edca[0] = edca[1] = edca[2] = edca[3] = 0;
838
839 for (i = 0; i < 4; i++) {
840 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
841 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
842
843
844 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
845
846 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
847 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
848 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
849
850 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
851
852 switch (ACI) {
853 case 0x0:
854 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
855 acm_mask |= (ACM ? BIT(1):0);
856 edca[XMIT_BE_QUEUE] = acParm;
857 break;
858
859 case 0x1:
860 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
861
862 edca[XMIT_BK_QUEUE] = acParm;
863 break;
864
865 case 0x2:
866 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
867 acm_mask |= (ACM ? BIT(2):0);
868 edca[XMIT_VI_QUEUE] = acParm;
869 break;
870
871 case 0x3:
872 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
873 acm_mask |= (ACM ? BIT(3):0);
874 edca[XMIT_VO_QUEUE] = acParm;
875 break;
876 }
877 }
878
879 if (padapter->registrypriv.acm_method == 1)
880 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
881 else
882 padapter->mlmepriv.acm_mask = acm_mask;
883
884 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
885
886 if (pregpriv->wifi_spec == 1)
887 sort_wmm_ac_params(inx, edca);
888
889 for (i = 0; i < 4; i++)
890 pxmitpriv->wmm_para_seq[i] = inx[i];
891 }
892}
893
894static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
895{
896 unsigned char new_bwmode;
897 unsigned char new_ch_offset;
898 struct HT_info_element *pHT_info;
899 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
900 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
901 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
902 struct registry_priv *pregistrypriv = &padapter->registrypriv;
903 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
904 u8 cbw40_enable = 0;
905
906 if (!pIE)
907 return;
908
909 if (phtpriv->ht_option == false)
910 return;
911
912 if (pIE->Length > sizeof(struct HT_info_element))
913 return;
914
915 pHT_info = (struct HT_info_element *)pIE->data;
916
917 if (pmlmeext->cur_channel > 14) {
918 if ((pregistrypriv->bw_mode & 0xf0) > 0)
919 cbw40_enable = 1;
920 } else {
921 if ((pregistrypriv->bw_mode & 0x0f) > 0)
922 cbw40_enable = 1;
923 }
924
925 if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) {
926 new_bwmode = CHANNEL_WIDTH_40;
927
928 switch (pHT_info->infos[0] & 0x3) {
929 case 1:
930 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
931 break;
932
933 case 3:
934 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
935 break;
936
937 default:
938 new_bwmode = CHANNEL_WIDTH_20;
939 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
940 break;
941 }
942 } else {
943 new_bwmode = CHANNEL_WIDTH_20;
944 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
945 }
946
947 if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) {
948 pmlmeinfo->bwmode_updated = true;
949
950 pmlmeext->cur_bwmode = new_bwmode;
951 pmlmeext->cur_ch_offset = new_ch_offset;
952
953
954 HT_info_handler(padapter, pIE);
955 } else {
956 pmlmeinfo->bwmode_updated = false;
957 }
958
959 if (true == pmlmeinfo->bwmode_updated) {
960 struct sta_info *psta;
961 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
962 struct sta_priv *pstapriv = &padapter->stapriv;
963
964
965
966
967 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
968 if (psta) {
969 struct ht_priv *phtpriv_sta = &psta->htpriv;
970
971 if (phtpriv_sta->ht_option) {
972
973 psta->bw_mode = pmlmeext->cur_bwmode;
974 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
975 } else {
976 psta->bw_mode = CHANNEL_WIDTH_20;
977 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
978 }
979
980 rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
981 }
982 }
983}
984
985void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
986{
987 unsigned int i;
988 u8 rf_type;
989 u8 max_AMPDU_len, min_MPDU_spacing;
990 u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
991 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
992 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
993 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
994 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
995
996 if (!pIE)
997 return;
998
999 if (phtpriv->ht_option == false)
1000 return;
1001
1002 pmlmeinfo->HT_caps_enable = 1;
1003
1004 for (i = 0; i < (pIE->Length); i++) {
1005 if (i != 2) {
1006
1007
1008 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
1009 } else {
1010
1011 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
1012 max_AMPDU_len = (pIE->data[i] & 0x3);
1013 else
1014 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
1015
1016 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
1017 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
1018 else
1019 min_MPDU_spacing = (pIE->data[i] & 0x1c);
1020
1021 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
1022 }
1023 }
1024 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
1025
1026
1027 for (i = 0; i < 16; i++)
1028 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
1029
1030
1031 switch (rf_type) {
1032 case RF_1T1R:
1033 case RF_1T2R:
1034 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
1035 break;
1036 case RF_2T2R:
1037 default:
1038 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
1039 }
1040
1041 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1042
1043 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
1044 GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data))
1045 SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX);
1046
1047 phtpriv->stbc_cap = cur_stbc_cap;
1048 } else {
1049
1050 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) &&
1051 GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data))
1052 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
1053
1054 phtpriv->ldpc_cap = cur_ldpc_cap;
1055
1056
1057 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
1058 GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data))
1059 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
1060
1061 phtpriv->stbc_cap = cur_stbc_cap;
1062 }
1063}
1064
1065void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1066{
1067 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1068 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1069 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1070 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1071
1072 if (!pIE)
1073 return;
1074
1075 if (phtpriv->ht_option == false)
1076 return;
1077
1078 if (pIE->Length > sizeof(struct HT_info_element))
1079 return;
1080
1081 pmlmeinfo->HT_info_enable = 1;
1082 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
1083}
1084
1085void HTOnAssocRsp(struct adapter *padapter)
1086{
1087 unsigned char max_AMPDU_len;
1088 unsigned char min_MPDU_spacing;
1089
1090 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1091 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1092
1093 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
1094 pmlmeinfo->HT_enable = 1;
1095 } else {
1096 pmlmeinfo->HT_enable = 0;
1097
1098 return;
1099 }
1100
1101
1102
1103
1104
1105
1106 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
1107
1108 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
1109
1110 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
1111
1112 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
1113}
1114
1115void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1116{
1117 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1118 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1119
1120 if (pIE->Length > 1)
1121 return;
1122
1123 pmlmeinfo->ERP_enable = 1;
1124 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
1125}
1126
1127void VCS_update(struct adapter *padapter, struct sta_info *psta)
1128{
1129 struct registry_priv *pregpriv = &padapter->registrypriv;
1130 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1131 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1132
1133 switch (pregpriv->vrtl_carrier_sense) {
1134 case 0:
1135 psta->rtsen = 0;
1136 psta->cts2self = 0;
1137 break;
1138
1139 case 1:
1140 if (pregpriv->vcs_type == 1) {
1141 psta->rtsen = 1;
1142 psta->cts2self = 0;
1143 } else {
1144 psta->rtsen = 0;
1145 psta->cts2self = 1;
1146 }
1147 break;
1148
1149 case 2:
1150 default:
1151 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
1152 if (pregpriv->vcs_type == 1) {
1153 psta->rtsen = 1;
1154 psta->cts2self = 0;
1155 } else {
1156 psta->rtsen = 0;
1157 psta->cts2self = 1;
1158 }
1159 } else {
1160 psta->rtsen = 0;
1161 psta->cts2self = 0;
1162 }
1163 break;
1164 }
1165}
1166
1167void update_ldpc_stbc_cap(struct sta_info *psta)
1168{
1169 if (psta->htpriv.ht_option) {
1170 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX))
1171 psta->ldpc = 1;
1172
1173 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1174 psta->stbc = 1;
1175 } else {
1176 psta->ldpc = 0;
1177 psta->stbc = 0;
1178 }
1179}
1180
1181int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
1182{
1183 unsigned int len;
1184 unsigned char *p;
1185 unsigned short val16, subtype;
1186 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
1187
1188 u16 wpa_len = 0, rsn_len = 0;
1189 u8 encryp_protocol = 0;
1190 struct wlan_bssid_ex *bssid;
1191 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
1192 unsigned char *pbuf;
1193 u32 wpa_ielen = 0;
1194 u8 *pbssid = GetAddr3Ptr(pframe);
1195 struct HT_info_element *pht_info = NULL;
1196 struct ieee80211_ht_cap *pht_cap = NULL;
1197 u32 bcn_channel;
1198 unsigned short ht_cap_info;
1199 unsigned char ht_info_infos_0;
1200 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
1201 int ssid_len;
1202
1203 if (is_client_associated_to_ap(Adapter) == false)
1204 return true;
1205
1206 len = packet_len - sizeof(struct ieee80211_hdr_3addr);
1207
1208 if (len > MAX_IE_SZ)
1209 return _FAIL;
1210
1211 if (memcmp(cur_network->network.MacAddress, pbssid, 6))
1212 return true;
1213
1214 bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex));
1215 if (!bssid)
1216 return true;
1217
1218 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) {
1219 pmlmepriv->timeBcnInfoChkStart = 0;
1220 pmlmepriv->NumOfBcnInfoChkFail = 0;
1221 }
1222
1223 subtype = GetFrameSubType(pframe) >> 4;
1224
1225 if (subtype == WIFI_BEACON)
1226 bssid->Reserved[0] = 1;
1227
1228 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
1229
1230
1231 bssid->IELength = len;
1232 memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
1233
1234
1235
1236 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1237 if (p && len > 0) {
1238 pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1239 ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1240 } else {
1241 ht_cap_info = 0;
1242 }
1243
1244 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1245 if (p && len > 0) {
1246 pht_info = (struct HT_info_element *)(p + 2);
1247 ht_info_infos_0 = pht_info->infos[0];
1248 } else {
1249 ht_info_infos_0 = 0;
1250 }
1251 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
1252 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
1253 {
1254
1255 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
1256 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
1257
1258 }
1259
1260 }
1261
1262
1263 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1264 if (p) {
1265 bcn_channel = *(p + 2);
1266 } else {
1267 rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION,
1268 &len, bssid->IELength - _FIXED_IE_LENGTH_);
1269 if (pht_info)
1270 bcn_channel = pht_info->primary_channel;
1271 else
1272 bcn_channel = Adapter->mlmeextpriv.cur_channel;
1273 }
1274
1275 if (bcn_channel != Adapter->mlmeextpriv.cur_channel)
1276 goto _mismatch;
1277
1278
1279 ssid_len = 0;
1280 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1281 if (p) {
1282 ssid_len = *(p + 1);
1283 if (ssid_len > NDIS_802_11_LENGTH_SSID)
1284 ssid_len = 0;
1285 }
1286 memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len);
1287 bssid->Ssid.SsidLength = ssid_len;
1288
1289 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
1290 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength)
1291 if (bssid->Ssid.Ssid[0] != '\0' &&
1292 bssid->Ssid.SsidLength != 0)
1293 goto _mismatch;
1294
1295
1296 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1297
1298 if (val16 & BIT(4))
1299 bssid->Privacy = 1;
1300 else
1301 bssid->Privacy = 0;
1302
1303 if (cur_network->network.Privacy != bssid->Privacy)
1304 goto _mismatch;
1305
1306 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1307
1308 if (rsn_len > 0)
1309 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1310 else if (wpa_len > 0)
1311 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1312 else
1313 if (bssid->Privacy)
1314 encryp_protocol = ENCRYP_PROTOCOL_WEP;
1315
1316 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol)
1317 goto _mismatch;
1318
1319 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1320 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1321 if (pbuf && (wpa_ielen > 0)) {
1322 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher,
1323 &pairwise_cipher, &is_8021x);
1324 } else {
1325 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1326
1327 if (pbuf && (wpa_ielen > 0))
1328 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher,
1329 &pairwise_cipher, &is_8021x);
1330 }
1331
1332 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher ||
1333 group_cipher != cur_network->BcnInfo.group_cipher)
1334 goto _mismatch;
1335
1336 if (is_8021x != cur_network->BcnInfo.is_8021x)
1337 goto _mismatch;
1338 }
1339
1340 kfree(bssid);
1341 return _SUCCESS;
1342
1343_mismatch:
1344 kfree(bssid);
1345
1346 if (pmlmepriv->NumOfBcnInfoChkFail == 0)
1347 pmlmepriv->timeBcnInfoChkStart = jiffies;
1348
1349 pmlmepriv->NumOfBcnInfoChkFail++;
1350
1351 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)
1352 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) {
1353 pmlmepriv->timeBcnInfoChkStart = 0;
1354 pmlmepriv->NumOfBcnInfoChkFail = 0;
1355 return _FAIL;
1356 }
1357
1358 return _SUCCESS;
1359}
1360
1361void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1362{
1363 unsigned int i;
1364 unsigned int len;
1365 struct ndis_80211_var_ie *pIE;
1366
1367 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1368
1369 for (i = 0; i < len;) {
1370 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1371
1372 switch (pIE->ElementID) {
1373 case WLAN_EID_VENDOR_SPECIFIC:
1374
1375 if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN)
1376 if (WMM_param_handler(padapter, pIE))
1377 report_wmm_edca_update(padapter);
1378
1379 break;
1380
1381 case WLAN_EID_HT_OPERATION:
1382
1383 bwmode_update_check(padapter, pIE);
1384 break;
1385
1386 case WLAN_EID_ERP_INFO:
1387 ERP_IE_handler(padapter, pIE);
1388 VCS_update(padapter, psta);
1389 break;
1390
1391 default:
1392 break;
1393 }
1394
1395 i += (pIE->Length + 2);
1396 }
1397}
1398
1399unsigned int is_ap_in_tkip(struct adapter *padapter)
1400{
1401 u32 i;
1402 struct ndis_80211_var_ie *pIE;
1403 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1404 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1405 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1406
1407 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1408 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) {
1409 pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i);
1410
1411 switch (pIE->ElementID) {
1412 case WLAN_EID_VENDOR_SPECIFIC:
1413 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1414 return true;
1415
1416 break;
1417
1418 case WLAN_EID_RSN:
1419 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1420 return true;
1421 break;
1422
1423 default:
1424 break;
1425 }
1426
1427 i += (pIE->Length + 2);
1428 }
1429
1430 return false;
1431 } else {
1432 return false;
1433 }
1434}
1435
1436int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode)
1437{
1438 unsigned char bit_offset;
1439 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1440 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1441
1442 if (!(pmlmeinfo->HT_enable))
1443 return _FAIL;
1444
1445 bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5;
1446
1447 if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1448 return _SUCCESS;
1449 else
1450 return _FAIL;
1451}
1452
1453unsigned char get_highest_rate_idx(u32 mask)
1454{
1455 int i;
1456 unsigned char rate_idx = 0;
1457
1458 for (i = 31; i >= 0; i--) {
1459 if (mask & BIT(i)) {
1460 rate_idx = i;
1461 break;
1462 }
1463 }
1464
1465 return rate_idx;
1466}
1467
1468void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
1469{
1470 rtw_hal_update_ra_mask(psta, 0);
1471}
1472
1473void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1474{
1475
1476 Update_RA_Entry(padapter, psta);
1477}
1478
1479static u32 get_realtek_assoc_AP_vender(struct ndis_80211_var_ie *pIE)
1480{
1481 u32 Vender = HT_IOT_PEER_REALTEK;
1482
1483 if (pIE->Length >= 5) {
1484 if (pIE->data[4] == 1)
1485
1486
1487 if (pIE->data[5] & RT_HT_CAP_USE_92SE)
1488
1489 Vender = HT_IOT_PEER_REALTEK_92SE;
1490
1491 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP)
1492 Vender = HT_IOT_PEER_REALTEK_SOFTAP;
1493
1494 if (pIE->data[4] == 2) {
1495 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT)
1496 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP;
1497
1498 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT)
1499 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
1500 }
1501 }
1502
1503 return Vender;
1504}
1505
1506unsigned char check_assoc_AP(u8 *pframe, uint len)
1507{
1508 unsigned int i;
1509 struct ndis_80211_var_ie *pIE;
1510
1511 for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) {
1512 pIE = (struct ndis_80211_var_ie *)(pframe + i);
1513
1514 switch (pIE->ElementID) {
1515 case WLAN_EID_VENDOR_SPECIFIC:
1516 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3)))
1517 return HT_IOT_PEER_ATHEROS;
1518 else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1519 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
1520 (!memcmp(pIE->data, BROADCOM_OUI3, 3)))
1521 return HT_IOT_PEER_BROADCOM;
1522 else if (!memcmp(pIE->data, MARVELL_OUI, 3))
1523 return HT_IOT_PEER_MARVELL;
1524 else if (!memcmp(pIE->data, RALINK_OUI, 3))
1525 return HT_IOT_PEER_RALINK;
1526 else if (!memcmp(pIE->data, CISCO_OUI, 3))
1527 return HT_IOT_PEER_CISCO;
1528 else if (!memcmp(pIE->data, REALTEK_OUI, 3))
1529 return get_realtek_assoc_AP_vender(pIE);
1530 else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3))
1531 return HT_IOT_PEER_AIRGO;
1532 else
1533 break;
1534
1535 default:
1536 break;
1537 }
1538
1539 i += (pIE->Length + 2);
1540 }
1541
1542 return HT_IOT_PEER_UNKNOWN;
1543}
1544
1545void update_IOT_info(struct adapter *padapter)
1546{
1547 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1548 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1549
1550 switch (pmlmeinfo->assoc_AP_vendor) {
1551 case HT_IOT_PEER_MARVELL:
1552 pmlmeinfo->turboMode_cts2self = 1;
1553 pmlmeinfo->turboMode_rtsen = 0;
1554 break;
1555
1556 case HT_IOT_PEER_RALINK:
1557 pmlmeinfo->turboMode_cts2self = 0;
1558 pmlmeinfo->turboMode_rtsen = 1;
1559
1560 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1561 break;
1562 case HT_IOT_PEER_REALTEK:
1563
1564
1565
1566 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1567 break;
1568 default:
1569 pmlmeinfo->turboMode_cts2self = 0;
1570 pmlmeinfo->turboMode_rtsen = 1;
1571 break;
1572 }
1573}
1574
1575void update_capinfo(struct adapter *Adapter, u16 updateCap)
1576{
1577 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1578 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1579 bool ShortPreamble;
1580
1581
1582
1583
1584 {
1585 if (updateCap & cShortPreamble) {
1586
1587 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) {
1588 ShortPreamble = true;
1589 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1590 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1591 }
1592 } else {
1593
1594 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) {
1595 ShortPreamble = false;
1596 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1597 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1598 }
1599 }
1600 }
1601
1602 if (updateCap & cIBSS) {
1603
1604 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1605 } else {
1606
1607 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N)) {
1608 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1609 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
1610 if ((updateCap & cShortSlotTime) )
1611
1612 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1613 else
1614
1615 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1616 } else {
1617
1618 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1619 }
1620 }
1621
1622 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1623}
1624
1625void update_wireless_mode(struct adapter *padapter)
1626{
1627 int network_type = 0;
1628 u32 SIFS_Timer;
1629 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1630 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1631 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1632 unsigned char *rate = cur_network->SupportedRates;
1633
1634 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1635 pmlmeinfo->HT_enable = 1;
1636
1637 if (pmlmeinfo->HT_enable)
1638 network_type = WIRELESS_11_24N;
1639
1640 if (rtw_is_cckratesonly_included(rate))
1641 network_type |= WIRELESS_11B;
1642 else if (rtw_is_cckrates_included(rate))
1643 network_type |= WIRELESS_11BG;
1644 else
1645 network_type |= WIRELESS_11G;
1646
1647 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1648
1649 SIFS_Timer = 0x0a0a0808;
1650
1651
1652 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
1653
1654 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode));
1655
1656 if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1657 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1658 else
1659 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1660}
1661
1662void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
1663{
1664 if (IsSupportedTxCCK(wireless_mode)) {
1665
1666 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4);
1667 psta->bssratelen = 4;
1668 } else {
1669 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3);
1670 psta->bssratelen = 3;
1671 }
1672}
1673
1674int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1675{
1676 unsigned int ie_len;
1677 struct ndis_80211_var_ie *pIE;
1678 int supportRateNum = 0;
1679 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1680 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1681
1682 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len);
1683 if (!pIE)
1684 return _FAIL;
1685 if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates))
1686 return _FAIL;
1687
1688 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1689 supportRateNum = ie_len;
1690
1691 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len);
1692 if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum))
1693 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1694
1695 return _SUCCESS;
1696}
1697
1698void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1699{
1700 struct sta_info *psta;
1701 u16 tid, param;
1702 struct recv_reorder_ctrl *preorder_ctrl;
1703 struct sta_priv *pstapriv = &padapter->stapriv;
1704 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1705 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1706 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1707
1708 psta = rtw_get_stainfo(pstapriv, addr);
1709
1710 if (psta) {
1711 param = le16_to_cpu(preq->BA_para_set);
1712 tid = (param>>2)&0x0f;
1713
1714 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1715
1716 preorder_ctrl->indicate_seq = 0xffff;
1717
1718 preorder_ctrl->enable = pmlmeinfo->accept_addba_req;
1719 }
1720}
1721
1722void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1723{
1724 u8 *pIE;
1725 __le32 *pbuf;
1726
1727 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1728 pbuf = (__le32 *)pIE;
1729
1730 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1731
1732 pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1733
1734 pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1735}
1736
1737void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1738{
1739 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1740}
1741
1742void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1743{
1744 int i;
1745 u8 *pIE;
1746 __le32 *pbuf;
1747 u64 tsf = 0;
1748 u32 delay_ms;
1749 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1750
1751 pmlmeext->bcn_cnt++;
1752
1753 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1754 pbuf = (__le32 *)pIE;
1755
1756 tsf = le32_to_cpu(*(pbuf+1));
1757 tsf = tsf << 32;
1758 tsf |= le32_to_cpu(*pbuf);
1759
1760
1761
1762 delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024));
1763 delay_ms = delay_ms/1000;
1764
1765 if (delay_ms >= 8)
1766 pmlmeext->bcn_delay_cnt[8]++;
1767
1768 else
1769 pmlmeext->bcn_delay_cnt[delay_ms]++;
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781 if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) {
1782 u8 ratio_20_delay, ratio_80_delay;
1783 u8 DrvBcnEarly, DrvBcnTimeOut;
1784
1785 ratio_20_delay = 0;
1786 ratio_80_delay = 0;
1787 DrvBcnEarly = 0xff;
1788 DrvBcnTimeOut = 0xff;
1789
1790 for (i = 0; i < 9; i++) {
1791 pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
1792
1793 ratio_20_delay += pmlmeext->bcn_delay_ratio[i];
1794 ratio_80_delay += pmlmeext->bcn_delay_ratio[i];
1795
1796 if (ratio_20_delay > 20 && DrvBcnEarly == 0xff)
1797 DrvBcnEarly = i;
1798
1799 if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff)
1800 DrvBcnTimeOut = i;
1801
1802
1803 pmlmeext->bcn_delay_cnt[i] = 0;
1804 pmlmeext->bcn_delay_ratio[i] = 0;
1805 }
1806
1807 pmlmeext->DrvBcnEarly = DrvBcnEarly;
1808 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut;
1809
1810 pmlmeext->bcn_cnt = 0;
1811 }
1812}
1813
1814void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
1815{
1816 int i;
1817 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1818 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1819
1820 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
1821 return;
1822
1823 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) {
1824 psta->mac_id = NUM_STA;
1825 return;
1826 }
1827
1828 spin_lock_bh(&pdvobj->lock);
1829 for (i = 0; i < NUM_STA; i++) {
1830 if (pdvobj->macid[i] == false) {
1831 pdvobj->macid[i] = true;
1832 break;
1833 }
1834 }
1835 spin_unlock_bh(&pdvobj->lock);
1836
1837 if (i > (NUM_STA - 1))
1838 psta->mac_id = NUM_STA;
1839 else
1840 psta->mac_id = i;
1841}
1842
1843void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
1844{
1845 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1846 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1847
1848 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
1849 return;
1850
1851 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN))
1852 return;
1853
1854 spin_lock_bh(&pdvobj->lock);
1855 if (psta->mac_id < NUM_STA && psta->mac_id != 1) {
1856 if (pdvobj->macid[psta->mac_id] == true) {
1857 pdvobj->macid[psta->mac_id] = false;
1858 psta->mac_id = NUM_STA;
1859 }
1860 }
1861 spin_unlock_bh(&pdvobj->lock);
1862}
1863
1864
1865u8 rtw_search_max_mac_id(struct adapter *padapter)
1866{
1867 u8 max_mac_id = 0;
1868 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1869 int i;
1870
1871 spin_lock_bh(&pdvobj->lock);
1872 for (i = (NUM_STA-1); i >= 0 ; i--) {
1873 if (pdvobj->macid[i] == true)
1874 break;
1875 }
1876 max_mac_id = i;
1877 spin_unlock_bh(&pdvobj->lock);
1878
1879 return max_mac_id;
1880}
1881
1882struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj)
1883{
1884 if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0)
1885 return NULL;
1886
1887 return dvobj->padapters;
1888}
1889
