661c904ea8f79ab78f1ea02ffbd56f902d3f7437
[pandora-kernel.git] / drivers / staging / rtl8192e / r8192E_core.c
1 /******************************************************************************
2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3  * Linux device driver for RTL8192E
4  *
5  * Based on the r8180 driver, which is:
6  * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of version 2 of the GNU General Public License as
9  * published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
14  * more details.
15  *
16  * You should have received a copy of the GNU General Public License along with
17  * this program; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19  *
20  * The full GNU General Public License is included in this distribution in the
21  * file called LICENSE.
22  *
23  * Contact Information:
24  * Jerry chuang <wlanfae@realtek.com>
25  */
26
27
28 #include <linux/vmalloc.h>
29 #include <linux/slab.h>
30 #include <asm/uaccess.h>
31 #include "r8192E_hw.h"
32 #include "r8192E.h"
33 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
34 #include "r8180_93cx6.h"   /* Card EEPROM */
35 #include "r8192E_wx.h"
36 #include "r819xE_phy.h" //added by WB 4.30.2008
37 #include "r819xE_phyreg.h"
38 #include "r819xE_cmdpkt.h"
39 #include "r8192E_dm.h"
40
41 #ifdef CONFIG_PM
42 #include "r8192_pm.h"
43 #endif
44
45 #ifdef ENABLE_DOT11D
46 #include "ieee80211/dot11d.h"
47 #endif
48
49 //set here to open your trace code. //WB
50 u32 rt_global_debug_component = COMP_ERR ; //always open err flags on
51
52 static DEFINE_PCI_DEVICE_TABLE(rtl8192_pci_id_tbl) = {
53         /* Realtek */
54         { PCI_DEVICE(0x10ec, 0x8192) },
55
56         /* Corega */
57         { PCI_DEVICE(0x07aa, 0x0044) },
58         { PCI_DEVICE(0x07aa, 0x0047) },
59         {}
60 };
61
62 static char ifname[IFNAMSIZ] = "wlan%d";
63 static int hwwep = 1; //default use hw. set 0 to use software security
64 static int channels = 0x3fff;
65
66 MODULE_LICENSE("GPL");
67 MODULE_VERSION("V 1.1");
68 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
69 //MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
70 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
71
72
73 module_param_string(ifname, ifname, sizeof(ifname), S_IRUGO|S_IWUSR);
74 module_param(hwwep,int, S_IRUGO|S_IWUSR);
75 module_param(channels,int, S_IRUGO|S_IWUSR);
76
77 MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
78 MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards");
79 MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
80
81 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
82                          const struct pci_device_id *id);
83 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
84
85 static struct pci_driver rtl8192_pci_driver = {
86         .name           = RTL819xE_MODULE_NAME,           /* Driver name   */
87         .id_table       = rtl8192_pci_id_tbl,             /* PCI_ID table  */
88         .probe          = rtl8192_pci_probe,              /* probe fn      */
89         .remove         = __devexit_p(rtl8192_pci_disconnect),    /* remove fn     */
90 #ifdef CONFIG_PM
91         .suspend        = rtl8192E_suspend,               /* PM suspend fn */
92         .resume         = rtl8192E_resume,                 /* PM resume fn  */
93 #else
94         .suspend        = NULL,                           /* PM suspend fn */
95         .resume         = NULL,                           /* PM resume fn  */
96 #endif
97 };
98
99 static void rtl8192_start_beacon(struct ieee80211_device *ieee80211);
100 static void rtl8192_stop_beacon(struct ieee80211_device *ieee80211);
101 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
102 static void rtl8192_irq_rx_tasklet(unsigned long arg);
103 static void rtl8192_irq_tx_tasklet(unsigned long arg);
104 static void rtl8192_prepare_beacon(unsigned long arg);
105 static irqreturn_t rtl8192_interrupt(int irq, void *netdev);
106 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb);
107 static void rtl8192_update_ratr_table(struct r8192_priv *priv);
108 static void rtl8192_restart(struct work_struct *work);
109 static void watch_dog_timer_callback(unsigned long data);
110 static int _rtl8192_up(struct r8192_priv *priv);
111 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
112 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb);
113
114 #ifdef ENABLE_DOT11D
115
116 typedef struct _CHANNEL_LIST
117 {
118         u8      Channel[32];
119         u8      Len;
120 }CHANNEL_LIST, *PCHANNEL_LIST;
121
122 static const CHANNEL_LIST ChannelPlan[] = {
123         {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64,149,153,157,161,165},24},             //FCC
124         {{1,2,3,4,5,6,7,8,9,10,11},11},                                                 //IC
125         {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},   //ETSI
126         {{1,2,3,4,5,6,7,8,9,10,11,12,13},13},    //Spain. Change to ETSI.
127         {{1,2,3,4,5,6,7,8,9,10,11,12,13},13},   //France. Change to ETSI.
128         {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},        //MKK                                   //MKK
129         {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
130         {{1,2,3,4,5,6,7,8,9,10,11,12,13},13},   //Israel.
131         {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},                        // For 11a , TELEC
132         {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22},    //MIC
133         {{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14}                                 //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
134 };
135
136 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
137 {
138         int i, max_chan=-1, min_chan=-1;
139         struct ieee80211_device* ieee = priv->ieee80211;
140         switch (channel_plan)
141         {
142                 case COUNTRY_CODE_FCC:
143                 case COUNTRY_CODE_IC:
144                 case COUNTRY_CODE_ETSI:
145                 case COUNTRY_CODE_SPAIN:
146                 case COUNTRY_CODE_FRANCE:
147                 case COUNTRY_CODE_MKK:
148                 case COUNTRY_CODE_MKK1:
149                 case COUNTRY_CODE_ISRAEL:
150                 case COUNTRY_CODE_TELEC:
151                 case COUNTRY_CODE_MIC:
152                 {
153                         Dot11d_Init(ieee);
154                         ieee->bGlobalDomain = false;
155                         //acturally 8225 & 8256 rf chip only support B,G,24N mode
156                         min_chan = 1;
157                         max_chan = 14;
158
159                         if (ChannelPlan[channel_plan].Len != 0){
160                                 // Clear old channel map
161                                 memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
162                                 // Set new channel map
163                                 for (i=0;i<ChannelPlan[channel_plan].Len;i++)
164                                 {
165                                         if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
166                                             break;
167                                         GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
168                                 }
169                         }
170                         break;
171                 }
172                 case COUNTRY_CODE_GLOBAL_DOMAIN:
173                 {
174                         GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
175                         Dot11d_Reset(ieee);
176                         ieee->bGlobalDomain = true;
177                         break;
178                 }
179                 default:
180                         break;
181         }
182 }
183 #endif
184
185 static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo)
186 {
187         return (pdrvinfo->RxRate == DESC90_RATE1M ||
188                 pdrvinfo->RxRate == DESC90_RATE2M ||
189                 pdrvinfo->RxRate == DESC90_RATE5_5M ||
190                 pdrvinfo->RxRate == DESC90_RATE11M) &&
191                 !pdrvinfo->RxHT;
192 }
193
194 void CamResetAllEntry(struct r8192_priv* priv)
195 {
196         write_nic_dword(priv, RWCAM, BIT31|BIT30);
197 }
198
199 void write_cam(struct r8192_priv *priv, u8 addr, u32 data)
200 {
201         write_nic_dword(priv, WCAMI, data);
202         write_nic_dword(priv, RWCAM, BIT31|BIT16|(addr&0xff) );
203 }
204
205 u32 read_cam(struct r8192_priv *priv, u8 addr)
206 {
207         write_nic_dword(priv, RWCAM, 0x80000000|(addr&0xff) );
208         return read_nic_dword(priv, 0xa8);
209 }
210
211 u8 read_nic_byte(struct r8192_priv *priv, int x)
212 {
213         return 0xff & readb(priv->mem_start + x);
214 }
215
216 u32 read_nic_dword(struct r8192_priv *priv, int x)
217 {
218         return readl(priv->mem_start + x);
219 }
220
221 u16 read_nic_word(struct r8192_priv *priv, int x)
222 {
223         return readw(priv->mem_start + x);
224 }
225
226 void write_nic_byte(struct r8192_priv *priv, int x,u8 y)
227 {
228         writeb(y, priv->mem_start + x);
229         udelay(20);
230 }
231
232 void write_nic_dword(struct r8192_priv *priv, int x,u32 y)
233 {
234         writel(y, priv->mem_start + x);
235         udelay(20);
236 }
237
238 void write_nic_word(struct r8192_priv *priv, int x,u16 y)
239 {
240         writew(y, priv->mem_start + x);
241         udelay(20);
242 }
243
244 u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
245 {
246         static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
247         static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
248         int wpa_ie_len= ieee->wpa_ie_len;
249         struct ieee80211_crypt_data* crypt;
250         int encrypt;
251
252         crypt = ieee->crypt[ieee->tx_keyidx];
253
254         encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||
255                   (ieee->host_encrypt && crypt && crypt->ops &&
256                    (0 == strcmp(crypt->ops->name,"WEP")));
257
258         /* simply judge  */
259         if(encrypt && (wpa_ie_len == 0)) {
260                 // wep encryption, no N mode setting */
261                 return SEC_ALG_WEP;
262         } else if((wpa_ie_len != 0)) {
263                 // parse pairwise key type */
264                 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
265                                 ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
266                         return SEC_ALG_CCMP;
267                 else
268                         return SEC_ALG_TKIP;
269         } else {
270                 return SEC_ALG_NONE;
271         }
272 }
273
274 void rtl8192e_SetHwReg(struct ieee80211_device *ieee80211, u8 variable, u8 *val)
275 {
276         struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
277
278         switch(variable)
279         {
280
281                 case HW_VAR_BSSID:
282                         write_nic_dword(priv, BSSIDR, ((u32*)(val))[0]);
283                         write_nic_word(priv, BSSIDR+2, ((u16*)(val+2))[0]);
284                 break;
285
286                 case HW_VAR_MEDIA_STATUS:
287                 {
288                         RT_OP_MODE      OpMode = *((RT_OP_MODE *)(val));
289                         u8              btMsr = read_nic_byte(priv, MSR);
290
291                         btMsr &= 0xfc;
292
293                         switch(OpMode)
294                         {
295                         case RT_OP_MODE_INFRASTRUCTURE:
296                                 btMsr |= MSR_INFRA;
297                                 break;
298
299                         case RT_OP_MODE_IBSS:
300                                 btMsr |= MSR_ADHOC;
301                                 break;
302
303                         case RT_OP_MODE_AP:
304                                 btMsr |= MSR_AP;
305                                 break;
306
307                         default:
308                                 btMsr |= MSR_NOLINK;
309                                 break;
310                         }
311
312                         write_nic_byte(priv, MSR, btMsr);
313                 }
314                 break;
315
316                 case HW_VAR_CHECK_BSSID:
317                 {
318                         u32     RegRCR, Type;
319
320                         Type = ((u8*)(val))[0];
321                         RegRCR = read_nic_dword(priv, RCR);
322                         priv->ReceiveConfig = RegRCR;
323
324                         if (Type == true)
325                                 RegRCR |= (RCR_CBSSID);
326                         else if (Type == false)
327                                 RegRCR &= (~RCR_CBSSID);
328
329                         write_nic_dword(priv, RCR,RegRCR);
330                         priv->ReceiveConfig = RegRCR;
331
332                 }
333                 break;
334
335                 case HW_VAR_SLOT_TIME:
336                 {
337                         priv->slot_time = val[0];
338                         write_nic_byte(priv, SLOT_TIME, val[0]);
339
340                 }
341                 break;
342
343                 case HW_VAR_ACK_PREAMBLE:
344                 {
345                         u32 regTmp = 0;
346                         priv->short_preamble = (bool)(*(u8*)val );
347                         regTmp = priv->basic_rate;
348                         if (priv->short_preamble)
349                                 regTmp |= BRSR_AckShortPmb;
350                         write_nic_dword(priv, RRSR, regTmp);
351                 }
352                 break;
353
354                 case HW_VAR_CPU_RST:
355                         write_nic_dword(priv, CPU_GEN, ((u32*)(val))[0]);
356                 break;
357
358                 default:
359                 break;
360         }
361
362 }
363
364 static struct proc_dir_entry *rtl8192_proc = NULL;
365
366 static int proc_get_stats_ap(char *page, char **start,
367                           off_t offset, int count,
368                           int *eof, void *data)
369 {
370         struct r8192_priv *priv = data;
371         struct ieee80211_device *ieee = priv->ieee80211;
372         struct ieee80211_network *target;
373         int len = 0;
374
375         list_for_each_entry(target, &ieee->network_list, list) {
376
377                 len += snprintf(page + len, count - len,
378                 "%s ", target->ssid);
379
380                 if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
381                         len += snprintf(page + len, count - len,
382                         "WPA\n");
383                 }
384                 else{
385                         len += snprintf(page + len, count - len,
386                         "non_WPA\n");
387                 }
388
389         }
390
391         *eof = 1;
392         return len;
393 }
394
395 static int proc_get_registers(char *page, char **start,
396                           off_t offset, int count,
397                           int *eof, void *data)
398 {
399         struct r8192_priv *priv = data;
400         int len = 0;
401         int i,n;
402         int max=0xff;
403
404         /* This dump the current register page */
405         len += snprintf(page + len, count - len,
406                         "\n####################page 0##################\n ");
407
408         for(n=0;n<=max;)
409         {
410                 len += snprintf(page + len, count - len,
411                         "\nD:  %2x > ",n);
412
413                 for(i=0;i<16 && n<=max;i++,n++)
414                 len += snprintf(page + len, count - len,
415                         "%2x ",read_nic_byte(priv,n));
416         }
417         len += snprintf(page + len, count - len,"\n");
418         len += snprintf(page + len, count - len,
419                         "\n####################page 1##################\n ");
420         for(n=0;n<=max;)
421         {
422                 len += snprintf(page + len, count - len,
423                         "\nD:  %2x > ",n);
424
425                 for(i=0;i<16 && n<=max;i++,n++)
426                 len += snprintf(page + len, count - len,
427                         "%2x ",read_nic_byte(priv,0x100|n));
428         }
429
430         len += snprintf(page + len, count - len,
431                         "\n####################page 3##################\n ");
432         for(n=0;n<=max;)
433         {
434                 len += snprintf(page + len, count - len,
435                         "\nD:  %2x > ",n);
436
437                 for(i=0;i<16 && n<=max;i++,n++)
438                 len += snprintf(page + len, count - len,
439                         "%2x ",read_nic_byte(priv,0x300|n));
440         }
441
442         *eof = 1;
443         return len;
444
445 }
446
447 static int proc_get_stats_tx(char *page, char **start,
448                           off_t offset, int count,
449                           int *eof, void *data)
450 {
451         struct r8192_priv *priv = data;
452
453         int len = 0;
454
455         len += snprintf(page + len, count - len,
456                 "TX VI priority ok int: %lu\n"
457                 "TX VO priority ok int: %lu\n"
458                 "TX BE priority ok int: %lu\n"
459                 "TX BK priority ok int: %lu\n"
460                 "TX MANAGE priority ok int: %lu\n"
461                 "TX BEACON priority ok int: %lu\n"
462                 "TX BEACON priority error int: %lu\n"
463                 "TX CMDPKT priority ok int: %lu\n"
464                 "TX queue stopped?: %d\n"
465                 "TX fifo overflow: %lu\n"
466                 "TX total data packets %lu\n"
467                 "TX total data bytes :%lu\n",
468                 priv->stats.txviokint,
469                 priv->stats.txvookint,
470                 priv->stats.txbeokint,
471                 priv->stats.txbkokint,
472                 priv->stats.txmanageokint,
473                 priv->stats.txbeaconokint,
474                 priv->stats.txbeaconerr,
475                 priv->stats.txcmdpktokint,
476                 netif_queue_stopped(priv->ieee80211->dev),
477                 priv->stats.txoverflow,
478                 priv->ieee80211->stats.tx_packets,
479                 priv->ieee80211->stats.tx_bytes);
480
481         *eof = 1;
482         return len;
483 }
484
485
486
487 static int proc_get_stats_rx(char *page, char **start,
488                           off_t offset, int count,
489                           int *eof, void *data)
490 {
491         struct r8192_priv *priv = data;
492         int len = 0;
493
494         len += snprintf(page + len, count - len,
495                 "RX packets: %lu\n"
496                 "RX desc err: %lu\n"
497                 "RX rx overflow error: %lu\n",
498                 priv->stats.rxint,
499                 priv->stats.rxrdu,
500                 priv->stats.rxoverflow);
501
502         *eof = 1;
503         return len;
504 }
505
506 static void rtl8192_proc_module_init(void)
507 {
508         RT_TRACE(COMP_INIT, "Initializing proc filesystem\n");
509         rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
510 }
511
512
513 static void rtl8192_proc_module_remove(void)
514 {
515         remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
516 }
517
518
519 static void rtl8192_proc_remove_one(struct r8192_priv *priv)
520 {
521         struct net_device *dev = priv->ieee80211->dev;
522
523         printk("dev name=======> %s\n",dev->name);
524
525         if (priv->dir_dev) {
526                 remove_proc_entry("stats-tx", priv->dir_dev);
527                 remove_proc_entry("stats-rx", priv->dir_dev);
528                 remove_proc_entry("stats-ap", priv->dir_dev);
529                 remove_proc_entry("registers", priv->dir_dev);
530                 remove_proc_entry("wlan0", rtl8192_proc);
531                 priv->dir_dev = NULL;
532         }
533 }
534
535
536 static void rtl8192_proc_init_one(struct r8192_priv *priv)
537 {
538         struct net_device *dev = priv->ieee80211->dev;
539         struct proc_dir_entry *e;
540
541         priv->dir_dev = create_proc_entry(dev->name,
542                                           S_IFDIR | S_IRUGO | S_IXUGO,
543                                           rtl8192_proc);
544         if (!priv->dir_dev) {
545                 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
546                       dev->name);
547                 return;
548         }
549         e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
550                                    priv->dir_dev, proc_get_stats_rx, priv);
551
552         if (!e) {
553                 RT_TRACE(COMP_ERR,"Unable to initialize "
554                       "/proc/net/rtl8192/%s/stats-rx\n",
555                       dev->name);
556         }
557
558
559         e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
560                                    priv->dir_dev, proc_get_stats_tx, priv);
561
562         if (!e) {
563                 RT_TRACE(COMP_ERR, "Unable to initialize "
564                       "/proc/net/rtl8192/%s/stats-tx\n",
565                       dev->name);
566         }
567
568         e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
569                                    priv->dir_dev, proc_get_stats_ap, priv);
570
571         if (!e) {
572                 RT_TRACE(COMP_ERR, "Unable to initialize "
573                       "/proc/net/rtl8192/%s/stats-ap\n",
574                       dev->name);
575         }
576
577         e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
578                                    priv->dir_dev, proc_get_registers, priv);
579         if (!e) {
580                 RT_TRACE(COMP_ERR, "Unable to initialize "
581                       "/proc/net/rtl8192/%s/registers\n",
582                       dev->name);
583         }
584 }
585
586 static short check_nic_enough_desc(struct net_device *dev, int prio)
587 {
588     struct r8192_priv *priv = ieee80211_priv(dev);
589     struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
590
591     /* for now we reserve two free descriptor as a safety boundary
592      * between the tail and the head
593      */
594     return (ring->entries - skb_queue_len(&ring->queue) >= 2);
595 }
596
597 static void tx_timeout(struct net_device *dev)
598 {
599         struct r8192_priv *priv = ieee80211_priv(dev);
600
601         schedule_work(&priv->reset_wq);
602         printk("TXTIMEOUT");
603 }
604
605 static void rtl8192_irq_enable(struct r8192_priv *priv)
606 {
607         u32 mask;
608
609         mask = IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |
610                IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |
611                IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |
612                IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER;
613
614         write_nic_dword(priv, INTA_MASK, mask);
615 }
616
617 static void rtl8192_irq_disable(struct r8192_priv *priv)
618 {
619         write_nic_dword(priv, INTA_MASK, 0);
620         synchronize_irq(priv->irq);
621 }
622
623 static void rtl8192_update_msr(struct r8192_priv *priv)
624 {
625         u8 msr;
626
627         msr  = read_nic_byte(priv, MSR);
628         msr &= ~ MSR_LINK_MASK;
629
630         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
631          * msr must be updated if the state is ASSOCIATING.
632          * this is intentional and make sense for ad-hoc and
633          * master (see the create BSS/IBSS func)
634          */
635         if (priv->ieee80211->state == IEEE80211_LINKED){
636
637                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
638                         msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
639                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
640                         msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
641                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
642                         msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
643
644         }else
645                 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
646
647         write_nic_byte(priv, MSR, msr);
648 }
649
650 static void rtl8192_set_chan(struct ieee80211_device *ieee80211, short ch)
651 {
652         struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
653
654         priv->chan = ch;
655
656         /* need to implement rf set channel here WB */
657
658         if (priv->rf_set_chan)
659                 priv->rf_set_chan(ieee80211, priv->chan);
660 }
661
662 static void rtl8192_rx_enable(struct r8192_priv *priv)
663 {
664         write_nic_dword(priv, RDQDA, priv->rx_ring_dma);
665 }
666
667 /* the TX_DESC_BASE setting is according to the following queue index
668  *  BK_QUEUE       ===>                        0
669  *  BE_QUEUE       ===>                        1
670  *  VI_QUEUE       ===>                        2
671  *  VO_QUEUE       ===>                        3
672  *  HCCA_QUEUE     ===>                        4
673  *  TXCMD_QUEUE    ===>                        5
674  *  MGNT_QUEUE     ===>                        6
675  *  HIGH_QUEUE     ===>                        7
676  *  BEACON_QUEUE   ===>                        8
677  *  */
678 static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
679 static void rtl8192_tx_enable(struct r8192_priv *priv)
680 {
681         u32 i;
682
683         for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
684                 write_nic_dword(priv, TX_DESC_BASE[i], priv->tx_ring[i].dma);
685
686         ieee80211_reset_queue(priv->ieee80211);
687 }
688
689
690 static void rtl8192_free_rx_ring(struct r8192_priv *priv)
691 {
692         int i;
693
694         for (i = 0; i < priv->rxringcount; i++) {
695                 struct sk_buff *skb = priv->rx_buf[i];
696                 if (!skb)
697                         continue;
698
699                 pci_unmap_single(priv->pdev,
700                                  *((dma_addr_t *)skb->cb),
701                                  priv->rxbuffersize, PCI_DMA_FROMDEVICE);
702                 kfree_skb(skb);
703         }
704
705         pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
706                             priv->rx_ring, priv->rx_ring_dma);
707         priv->rx_ring = NULL;
708 }
709
710 static void rtl8192_free_tx_ring(struct r8192_priv *priv, unsigned int prio)
711 {
712         struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
713
714         while (skb_queue_len(&ring->queue)) {
715                 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
716                 struct sk_buff *skb = __skb_dequeue(&ring->queue);
717
718                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
719                                  skb->len, PCI_DMA_TODEVICE);
720                 kfree_skb(skb);
721                 ring->idx = (ring->idx + 1) % ring->entries;
722         }
723
724         pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
725                             ring->desc, ring->dma);
726         ring->desc = NULL;
727 }
728
729 void PHY_SetRtl8192eRfOff(struct r8192_priv *priv)
730 {
731         //disable RF-Chip A/B
732         rtl8192_setBBreg(priv, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
733         //analog to digital off, for power save
734         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter4, 0x300, 0x0);
735         //digital to analog off, for power save
736         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x18, 0x0);
737         //rx antenna off
738         rtl8192_setBBreg(priv, rOFDM0_TRxPathEnable, 0xf, 0x0);
739         //rx antenna off
740         rtl8192_setBBreg(priv, rOFDM1_TRxPathEnable, 0xf, 0x0);
741         //analog to digital part2 off, for power save
742         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x60, 0x0);
743         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x4, 0x0);
744         // Analog parameter!!Change bias and Lbus control.
745         write_nic_byte(priv, ANAPAR_FOR_8192PciE, 0x07);
746 }
747
748 static void rtl8192_halt_adapter(struct r8192_priv *priv, bool reset)
749 {
750         int i;
751         u8 OpMode;
752         u32 ulRegRead;
753
754         OpMode = RT_OP_MODE_NO_LINK;
755         priv->ieee80211->SetHwRegHandler(priv->ieee80211, HW_VAR_MEDIA_STATUS, &OpMode);
756
757         if (!priv->ieee80211->bSupportRemoteWakeUp) {
758                 /*
759                  * disable tx/rx. In 8185 we write 0x10 (Reset bit),
760                  * but here we make reference to WMAC and wirte 0x0
761                  */
762                 write_nic_byte(priv, CMDR, 0);
763         }
764
765         mdelay(20);
766
767         if (!reset) {
768                 mdelay(150);
769
770                 priv->bHwRfOffAction = 2;
771
772                 /*
773                  * Call MgntActSet_RF_State instead to
774                  * prevent RF config race condition.
775                  */
776                 if (!priv->ieee80211->bSupportRemoteWakeUp) {
777                         PHY_SetRtl8192eRfOff(priv);
778                         ulRegRead = read_nic_dword(priv, CPU_GEN);
779                         ulRegRead |= CPU_GEN_SYSTEM_RESET;
780                         write_nic_dword(priv,CPU_GEN, ulRegRead);
781                 } else {
782                         /* for WOL */
783                         write_nic_dword(priv, WFCRC0, 0xffffffff);
784                         write_nic_dword(priv, WFCRC1, 0xffffffff);
785                         write_nic_dword(priv, WFCRC2, 0xffffffff);
786
787                         /* Write PMR register */
788                         write_nic_byte(priv, PMR, 0x5);
789                         /* Disable tx, enanble rx */
790                         write_nic_byte(priv, MacBlkCtrl, 0xa);
791                 }
792         }
793
794         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
795                 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
796         }
797         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
798                 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
799         }
800
801         skb_queue_purge(&priv->skb_queue);
802 }
803
804 static void rtl8192_data_hard_stop(struct ieee80211_device *ieee80211)
805 {
806 }
807
808 static void rtl8192_data_hard_resume(struct ieee80211_device *ieee80211)
809 {
810 }
811
812 /*
813  * this function TX data frames when the ieee80211 stack requires this.
814  * It checks also if we need to stop the ieee tx queue, eventually do it
815  */
816 static void rtl8192_hard_data_xmit(struct sk_buff *skb,
817                                    struct ieee80211_device *ieee80211, int rate)
818 {
819         struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
820         int ret;
821         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
822         u8 queue_index = tcb_desc->queue_index;
823
824         /* shall not be referred by command packet */
825         BUG_ON(queue_index == TXCMD_QUEUE);
826
827         if (priv->bHwRadioOff || (!priv->up))
828         {
829                 kfree_skb(skb);
830                 return;
831         }
832
833         memcpy(skb->cb, &ieee80211->dev, sizeof(ieee80211->dev));
834
835         skb_push(skb, priv->ieee80211->tx_headroom);
836         ret = rtl8192_tx(priv, skb);
837         if (ret != 0) {
838                 kfree_skb(skb);
839         }
840
841         if (queue_index != MGNT_QUEUE) {
842                 priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom);
843                 priv->ieee80211->stats.tx_packets++;
844         }
845 }
846
847 /*
848  * This is a rough attempt to TX a frame
849  * This is called by the ieee 80211 stack to TX management frames.
850  * If the ring is full packet are dropped (for data frame the queue
851  * is stopped before this can happen).
852  */
853 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct ieee80211_device *ieee80211)
854 {
855         struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
856         int ret;
857         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
858         u8 queue_index = tcb_desc->queue_index;
859
860         if (queue_index != TXCMD_QUEUE) {
861                 if (priv->bHwRadioOff || (!priv->up))
862                 {
863                         kfree_skb(skb);
864                         return 0;
865                 }
866         }
867
868         memcpy(skb->cb, &ieee80211->dev, sizeof(ieee80211->dev));
869         if (queue_index == TXCMD_QUEUE) {
870                 rtl819xE_tx_cmd(priv, skb);
871                 ret = 0;
872                 return ret;
873         } else {
874                 tcb_desc->RATRIndex = 7;
875                 tcb_desc->bTxDisableRateFallBack = 1;
876                 tcb_desc->bTxUseDriverAssingedRate = 1;
877                 tcb_desc->bTxEnableFwCalcDur = 1;
878                 skb_push(skb, ieee80211->tx_headroom);
879                 ret = rtl8192_tx(priv, skb);
880                 if (ret != 0) {
881                         kfree_skb(skb);
882                 }
883         }
884
885         return ret;
886 }
887
888
889 static void rtl8192_tx_isr(struct r8192_priv *priv, int prio)
890 {
891         struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
892
893         while (skb_queue_len(&ring->queue)) {
894                 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
895                 struct sk_buff *skb;
896
897                 /*
898                  * beacon packet will only use the first descriptor defaultly,
899                  * and the OWN may not be cleared by the hardware
900                  */
901                 if (prio != BEACON_QUEUE) {
902                         if (entry->OWN)
903                                 return;
904                         ring->idx = (ring->idx + 1) % ring->entries;
905                 }
906
907                 skb = __skb_dequeue(&ring->queue);
908                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
909                                  skb->len, PCI_DMA_TODEVICE);
910
911                 kfree_skb(skb);
912         }
913
914         if (prio != BEACON_QUEUE) {
915                 /* try to deal with the pending packets  */
916                 tasklet_schedule(&priv->irq_tx_tasklet);
917         }
918 }
919
920 static void rtl8192_stop_beacon(struct ieee80211_device *ieee80211)
921 {
922 }
923
924 static void rtl8192_config_rate(struct r8192_priv *priv, u16* rate_config)
925 {
926          struct ieee80211_network *net;
927          u8 i=0, basic_rate = 0;
928          net = & priv->ieee80211->current_network;
929
930          for (i=0; i<net->rates_len; i++)
931          {
932                  basic_rate = net->rates[i]&0x7f;
933                  switch(basic_rate)
934                  {
935                          case MGN_1M:   *rate_config |= RRSR_1M;        break;
936                          case MGN_2M:   *rate_config |= RRSR_2M;        break;
937                          case MGN_5_5M: *rate_config |= RRSR_5_5M;      break;
938                          case MGN_11M:  *rate_config |= RRSR_11M;       break;
939                          case MGN_6M:   *rate_config |= RRSR_6M;        break;
940                          case MGN_9M:   *rate_config |= RRSR_9M;        break;
941                          case MGN_12M:  *rate_config |= RRSR_12M;       break;
942                          case MGN_18M:  *rate_config |= RRSR_18M;       break;
943                          case MGN_24M:  *rate_config |= RRSR_24M;       break;
944                          case MGN_36M:  *rate_config |= RRSR_36M;       break;
945                          case MGN_48M:  *rate_config |= RRSR_48M;       break;
946                          case MGN_54M:  *rate_config |= RRSR_54M;       break;
947                  }
948          }
949          for (i=0; i<net->rates_ex_len; i++)
950          {
951                  basic_rate = net->rates_ex[i]&0x7f;
952                  switch(basic_rate)
953                  {
954                          case MGN_1M:   *rate_config |= RRSR_1M;        break;
955                          case MGN_2M:   *rate_config |= RRSR_2M;        break;
956                          case MGN_5_5M: *rate_config |= RRSR_5_5M;      break;
957                          case MGN_11M:  *rate_config |= RRSR_11M;       break;
958                          case MGN_6M:   *rate_config |= RRSR_6M;        break;
959                          case MGN_9M:   *rate_config |= RRSR_9M;        break;
960                          case MGN_12M:  *rate_config |= RRSR_12M;       break;
961                          case MGN_18M:  *rate_config |= RRSR_18M;       break;
962                          case MGN_24M:  *rate_config |= RRSR_24M;       break;
963                          case MGN_36M:  *rate_config |= RRSR_36M;       break;
964                          case MGN_48M:  *rate_config |= RRSR_48M;       break;
965                          case MGN_54M:  *rate_config |= RRSR_54M;       break;
966                  }
967          }
968 }
969
970
971 #define SHORT_SLOT_TIME 9
972 #define NON_SHORT_SLOT_TIME 20
973
974 static void rtl8192_update_cap(struct r8192_priv *priv, u16 cap)
975 {
976         u32 tmp = 0;
977         struct ieee80211_network *net = &priv->ieee80211->current_network;
978
979         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
980         tmp = priv->basic_rate;
981         if (priv->short_preamble)
982                 tmp |= BRSR_AckShortPmb;
983         write_nic_dword(priv, RRSR, tmp);
984
985         if (net->mode & (IEEE_G|IEEE_N_24G))
986         {
987                 u8 slot_time = 0;
988                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
989                 {//short slot time
990                         slot_time = SHORT_SLOT_TIME;
991                 }
992                 else //long slot time
993                         slot_time = NON_SHORT_SLOT_TIME;
994                 priv->slot_time = slot_time;
995                 write_nic_byte(priv, SLOT_TIME, slot_time);
996         }
997
998 }
999
1000 static void rtl8192_net_update(struct r8192_priv *priv)
1001 {
1002         struct ieee80211_network *net;
1003         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1004         u16 rate_config = 0;
1005         net = &priv->ieee80211->current_network;
1006
1007         /* update Basic rate: RR, BRSR */
1008         rtl8192_config_rate(priv, &rate_config);
1009
1010         /*
1011          * Select RRSR (in Legacy-OFDM and CCK)
1012          * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1013          * 2M, and 1M from the Basic rate.
1014          * We do not use other rates.
1015          */
1016         priv->basic_rate = rate_config &= 0x15f;
1017
1018         /* BSSID */
1019         write_nic_dword(priv, BSSIDR, ((u32 *)net->bssid)[0]);
1020         write_nic_word(priv, BSSIDR+4, ((u16 *)net->bssid)[2]);
1021
1022         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1023         {
1024                 write_nic_word(priv, ATIMWND, 2);
1025                 write_nic_word(priv, BCN_DMATIME, 256);
1026                 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
1027                 /*
1028                  * BIT15 of BCN_DRV_EARLY_INT will indicate
1029                  * whether software beacon or hw beacon is applied.
1030                  */
1031                 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
1032                 write_nic_byte(priv, BCN_ERR_THRESH, 100);
1033
1034                 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1035                 /* TODO: BcnIFS may required to be changed on ASIC */
1036                 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1037                 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
1038         }
1039 }
1040
1041 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb)
1042 {
1043     struct rtl8192_tx_ring *ring;
1044     tx_desc_819x_pci *entry;
1045     unsigned int idx;
1046     dma_addr_t mapping;
1047     cb_desc *tcb_desc;
1048     unsigned long flags;
1049
1050     ring = &priv->tx_ring[TXCMD_QUEUE];
1051     mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1052
1053     spin_lock_irqsave(&priv->irq_th_lock,flags);
1054     idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1055     entry = &ring->desc[idx];
1056
1057     tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1058     memset(entry,0,12);
1059     entry->LINIP = tcb_desc->bLastIniPkt;
1060     entry->FirstSeg = 1;//first segment
1061     entry->LastSeg = 1; //last segment
1062     if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1063         entry->CmdInit = DESC_PACKET_TYPE_INIT;
1064     } else {
1065         entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1066         entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1067         entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1068         entry->QueueSelect = QSLT_CMD;
1069         entry->TxFWInfoSize = 0x08;
1070         entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1071     }
1072     entry->TxBufferSize = skb->len;
1073     entry->TxBuffAddr = cpu_to_le32(mapping);
1074     entry->OWN = 1;
1075
1076     __skb_queue_tail(&ring->queue, skb);
1077     spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1078
1079     write_nic_byte(priv, TPPoll, TPPoll_CQ);
1080
1081     return;
1082 }
1083
1084 /*
1085  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1086  * in TxFwInfo data structure
1087  */
1088 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1089 {
1090         u8 QueueSelect = 0;
1091
1092         switch (QueueID) {
1093         case BE_QUEUE:
1094                 QueueSelect = QSLT_BE;
1095                 break;
1096
1097         case BK_QUEUE:
1098                 QueueSelect = QSLT_BK;
1099                 break;
1100
1101         case VO_QUEUE:
1102                 QueueSelect = QSLT_VO;
1103                 break;
1104
1105         case VI_QUEUE:
1106                 QueueSelect = QSLT_VI;
1107                 break;
1108
1109         case MGNT_QUEUE:
1110                 QueueSelect = QSLT_MGNT;
1111                 break;
1112
1113         case BEACON_QUEUE:
1114                 QueueSelect = QSLT_BEACON;
1115                 break;
1116
1117         case TXCMD_QUEUE:
1118                 QueueSelect = QSLT_CMD;
1119                 break;
1120
1121         case HIGH_QUEUE:
1122         default:
1123                 RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID);
1124                 break;
1125         }
1126         return QueueSelect;
1127 }
1128
1129 static u8 MRateToHwRate8190Pci(u8 rate)
1130 {
1131         u8  ret = DESC90_RATE1M;
1132
1133         switch(rate) {
1134                 case MGN_1M:    ret = DESC90_RATE1M;            break;
1135                 case MGN_2M:    ret = DESC90_RATE2M;            break;
1136                 case MGN_5_5M:  ret = DESC90_RATE5_5M;  break;
1137                 case MGN_11M:   ret = DESC90_RATE11M;   break;
1138                 case MGN_6M:    ret = DESC90_RATE6M;            break;
1139                 case MGN_9M:    ret = DESC90_RATE9M;            break;
1140                 case MGN_12M:   ret = DESC90_RATE12M;   break;
1141                 case MGN_18M:   ret = DESC90_RATE18M;   break;
1142                 case MGN_24M:   ret = DESC90_RATE24M;   break;
1143                 case MGN_36M:   ret = DESC90_RATE36M;   break;
1144                 case MGN_48M:   ret = DESC90_RATE48M;   break;
1145                 case MGN_54M:   ret = DESC90_RATE54M;   break;
1146
1147                 // HT rate since here
1148                 case MGN_MCS0:  ret = DESC90_RATEMCS0;  break;
1149                 case MGN_MCS1:  ret = DESC90_RATEMCS1;  break;
1150                 case MGN_MCS2:  ret = DESC90_RATEMCS2;  break;
1151                 case MGN_MCS3:  ret = DESC90_RATEMCS3;  break;
1152                 case MGN_MCS4:  ret = DESC90_RATEMCS4;  break;
1153                 case MGN_MCS5:  ret = DESC90_RATEMCS5;  break;
1154                 case MGN_MCS6:  ret = DESC90_RATEMCS6;  break;
1155                 case MGN_MCS7:  ret = DESC90_RATEMCS7;  break;
1156                 case MGN_MCS8:  ret = DESC90_RATEMCS8;  break;
1157                 case MGN_MCS9:  ret = DESC90_RATEMCS9;  break;
1158                 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1159                 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1160                 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1161                 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1162                 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1163                 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1164                 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1165
1166                 default:       break;
1167         }
1168         return ret;
1169 }
1170
1171
1172 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1173 {
1174         u8   tmp_Short;
1175
1176         tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1177
1178         if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1179                 tmp_Short = 0;
1180
1181         return tmp_Short;
1182 }
1183
1184 /*
1185  * The tx procedure is just as following,
1186  * skb->cb will contain all the following information,
1187  * priority, morefrag, rate, &dev.
1188  */
1189 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb)
1190 {
1191         struct rtl8192_tx_ring *ring;
1192         unsigned long flags;
1193         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1194         tx_desc_819x_pci *pdesc = NULL;
1195         TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1196         dma_addr_t mapping;
1197         bool multi_addr = false, broad_addr = false, uni_addr = false;
1198         u8 *pda_addr = NULL;
1199         int idx;
1200
1201         if (priv->bdisable_nic) {
1202                 RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1203                          skb->len, tcb_desc->queue_index);
1204                 return skb->len;
1205         }
1206
1207 #ifdef ENABLE_LPS
1208         priv->ieee80211->bAwakePktSent = true;
1209 #endif
1210
1211         mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1212
1213         /* collect the tx packets statitcs */
1214         pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
1215         if (is_multicast_ether_addr(pda_addr))
1216                 multi_addr = true;
1217         else if (is_broadcast_ether_addr(pda_addr))
1218                 broad_addr = true;
1219         else
1220                 uni_addr = true;
1221
1222         if (uni_addr)
1223                 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1224
1225         /* fill tx firmware */
1226         pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1227         memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
1228         pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1229         pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1230         pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1231         pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1232
1233         /* Aggregation related */
1234         if (tcb_desc->bAMPDUEnable) {
1235                 pTxFwInfo->AllowAggregation = 1;
1236                 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1237                 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1238         } else {
1239                 pTxFwInfo->AllowAggregation = 0;
1240                 pTxFwInfo->RxMF = 0;
1241                 pTxFwInfo->RxAMD = 0;
1242         }
1243
1244         /* Protection mode related */
1245         pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1246         pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1247         pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1248         pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1249         pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1250         pTxFwInfo->RtsBandwidth = 0;
1251         pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1252         pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);
1253
1254         /* Set Bandwidth and sub-channel settings. */
1255         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1256                 if (tcb_desc->bPacketBW) {
1257                         pTxFwInfo->TxBandwidth = 1;
1258                         /* use duplicated mode */
1259                         pTxFwInfo->TxSubCarrier = 0;
1260                 } else {
1261                         pTxFwInfo->TxBandwidth = 0;
1262                         pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1263                 }
1264         } else {
1265                 pTxFwInfo->TxBandwidth = 0;
1266                 pTxFwInfo->TxSubCarrier = 0;
1267         }
1268
1269         spin_lock_irqsave(&priv->irq_th_lock, flags);
1270         ring = &priv->tx_ring[tcb_desc->queue_index];
1271         if (tcb_desc->queue_index != BEACON_QUEUE)
1272                 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1273         else
1274                 idx = 0;
1275
1276         pdesc = &ring->desc[idx];
1277         if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1278                 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x\n",
1279                          tcb_desc->queue_index, ring->idx, idx, skb->len);
1280                 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1281                 return skb->len;
1282         }
1283
1284         /* fill tx descriptor */
1285         memset(pdesc, 0, 12);
1286
1287         /*DWORD 0*/
1288         pdesc->LINIP = 0;
1289         pdesc->CmdInit = 1;
1290         pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
1291         pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1292
1293         /*DWORD 1*/
1294         pdesc->SecCAMID = 0;
1295         pdesc->RATid = tcb_desc->RATRIndex;
1296
1297         pdesc->NoEnc = 1;
1298         pdesc->SecType = 0x0;
1299         if (tcb_desc->bHwSec) {
1300                 switch (priv->ieee80211->pairwise_key_type) {
1301                 case KEY_TYPE_WEP40:
1302                 case KEY_TYPE_WEP104:
1303                         pdesc->SecType = 0x1;
1304                         pdesc->NoEnc = 0;
1305                         break;
1306                 case KEY_TYPE_TKIP:
1307                         pdesc->SecType = 0x2;
1308                         pdesc->NoEnc = 0;
1309                         break;
1310                 case KEY_TYPE_CCMP:
1311                         pdesc->SecType = 0x3;
1312                         pdesc->NoEnc = 0;
1313                         break;
1314                 case KEY_TYPE_NA:
1315                         pdesc->SecType = 0x0;
1316                         pdesc->NoEnc = 1;
1317                         break;
1318                 }
1319         }
1320
1321         /* Set Packet ID */
1322         pdesc->PktId = 0x0;
1323
1324         pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1325         pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1326
1327         pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1328         pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1329
1330         pdesc->FirstSeg = 1;
1331         pdesc->LastSeg = 1;
1332         pdesc->TxBufferSize = skb->len;
1333
1334         pdesc->TxBuffAddr = cpu_to_le32(mapping);
1335         __skb_queue_tail(&ring->queue, skb);
1336         pdesc->OWN = 1;
1337         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1338         priv->ieee80211->dev->trans_start = jiffies;
1339         write_nic_word(priv, TPPoll, 0x01<<tcb_desc->queue_index);
1340         return 0;
1341 }
1342
1343 static short rtl8192_alloc_rx_desc_ring(struct r8192_priv *priv)
1344 {
1345     rx_desc_819x_pci *entry = NULL;
1346     int i;
1347
1348     priv->rx_ring = pci_alloc_consistent(priv->pdev,
1349             sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1350
1351     if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1352         RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1353         return -ENOMEM;
1354     }
1355
1356     memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1357     priv->rx_idx = 0;
1358
1359     for (i = 0; i < priv->rxringcount; i++) {
1360         struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1361         dma_addr_t *mapping;
1362         entry = &priv->rx_ring[i];
1363         if (!skb)
1364             return 0;
1365         priv->rx_buf[i] = skb;
1366         mapping = (dma_addr_t *)skb->cb;
1367         *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
1368                 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1369
1370         entry->BufferAddress = cpu_to_le32(*mapping);
1371
1372         entry->Length = priv->rxbuffersize;
1373         entry->OWN = 1;
1374     }
1375
1376     entry->EOR = 1;
1377     return 0;
1378 }
1379
1380 static int rtl8192_alloc_tx_desc_ring(struct r8192_priv *priv,
1381         unsigned int prio, unsigned int entries)
1382 {
1383     tx_desc_819x_pci *ring;
1384     dma_addr_t dma;
1385     int i;
1386
1387     ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1388     if (!ring || (unsigned long)ring & 0xFF) {
1389         RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1390         return -ENOMEM;
1391     }
1392
1393     memset(ring, 0, sizeof(*ring)*entries);
1394     priv->tx_ring[prio].desc = ring;
1395     priv->tx_ring[prio].dma = dma;
1396     priv->tx_ring[prio].idx = 0;
1397     priv->tx_ring[prio].entries = entries;
1398     skb_queue_head_init(&priv->tx_ring[prio].queue);
1399
1400     for (i = 0; i < entries; i++)
1401         ring[i].NextDescAddress =
1402             cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1403
1404     return 0;
1405 }
1406
1407 static short rtl8192_pci_initdescring(struct r8192_priv *priv)
1408 {
1409         u32 ret;
1410         int i;
1411
1412         ret = rtl8192_alloc_rx_desc_ring(priv);
1413         if (ret)
1414                 return ret;
1415
1416         /* general process for other queue */
1417         for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1418                 ret = rtl8192_alloc_tx_desc_ring(priv, i, priv->txringcount);
1419                 if (ret)
1420                         goto err_free_rings;
1421         }
1422
1423         return 0;
1424
1425 err_free_rings:
1426         rtl8192_free_rx_ring(priv);
1427         for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1428                 if (priv->tx_ring[i].desc)
1429                         rtl8192_free_tx_ring(priv, i);
1430         return 1;
1431 }
1432
1433 static void rtl8192_pci_resetdescring(struct r8192_priv *priv)
1434 {
1435     int i;
1436
1437     /* force the rx_idx to the first one */
1438     if(priv->rx_ring) {
1439         rx_desc_819x_pci *entry = NULL;
1440         for (i = 0; i < priv->rxringcount; i++) {
1441             entry = &priv->rx_ring[i];
1442             entry->OWN = 1;
1443         }
1444         priv->rx_idx = 0;
1445     }
1446
1447     /* after reset, release previous pending packet, and force the
1448      * tx idx to the first one */
1449     for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1450         if (priv->tx_ring[i].desc) {
1451             struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1452
1453             while (skb_queue_len(&ring->queue)) {
1454                 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1455                 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1456
1457                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1458                         skb->len, PCI_DMA_TODEVICE);
1459                 kfree_skb(skb);
1460                 ring->idx = (ring->idx + 1) % ring->entries;
1461             }
1462             ring->idx = 0;
1463         }
1464     }
1465 }
1466
1467 static void rtl8192_link_change(struct ieee80211_device *ieee)
1468 {
1469         struct r8192_priv *priv = ieee80211_priv(ieee->dev);
1470
1471         if (ieee->state == IEEE80211_LINKED)
1472         {
1473                 rtl8192_net_update(priv);
1474                 rtl8192_update_ratr_table(priv);
1475
1476                 //add this as in pure N mode, wep encryption will use software way, but there is no chance to set this as wep will not set group key in wext. WB.2008.07.08
1477                 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1478                 EnableHWSecurityConfig8192(priv);
1479         }
1480         else
1481         {
1482                 write_nic_byte(priv, 0x173, 0);
1483         }
1484
1485         rtl8192_update_msr(priv);
1486
1487         // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1488         //      // To set CBSSID bit when link with any AP or STA.
1489         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1490         {
1491                 u32 reg = 0;
1492                 reg = read_nic_dword(priv, RCR);
1493                 if (priv->ieee80211->state == IEEE80211_LINKED)
1494                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1495                 else
1496                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1497                 write_nic_dword(priv, RCR, reg);
1498         }
1499 }
1500
1501
1502 static const struct ieee80211_qos_parameters def_qos_parameters = {
1503         {3,3,3,3},/* cw_min */
1504         {7,7,7,7},/* cw_max */
1505         {2,2,2,2},/* aifs */
1506         {0,0,0,0},/* flags */
1507         {0,0,0,0} /* tx_op_limit */
1508 };
1509
1510 static void rtl8192_update_beacon(struct work_struct * work)
1511 {
1512         struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1513         struct ieee80211_device* ieee = priv->ieee80211;
1514         struct ieee80211_network* net = &ieee->current_network;
1515
1516         if (ieee->pHTInfo->bCurrentHTSupport)
1517                 HTUpdateSelfAndPeerSetting(ieee, net);
1518         ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1519         rtl8192_update_cap(priv, net->capability);
1520 }
1521
1522 /*
1523 * background support to run QoS activate functionality
1524 */
1525 static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1526 static void rtl8192_qos_activate(struct work_struct * work)
1527 {
1528         struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1529         struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1530         u8 mode = priv->ieee80211->current_network.mode;
1531         u8  u1bAIFS;
1532         u32 u4bAcParam;
1533         int i;
1534
1535         mutex_lock(&priv->mutex);
1536         if(priv->ieee80211->state != IEEE80211_LINKED)
1537                 goto success;
1538         RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
1539         /* It better set slot time at first */
1540         /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1541         /* update the ac parameter to related registers */
1542         for(i = 0; i <  QOS_QUEUE_NUM; i++) {
1543                 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1544                 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
1545                 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
1546                                 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
1547                                 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
1548                                 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
1549                 write_nic_dword(priv, WDCAPARA_ADD[i], u4bAcParam);
1550         }
1551
1552 success:
1553         mutex_unlock(&priv->mutex);
1554 }
1555
1556 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1557                 int active_network,
1558                 struct ieee80211_network *network)
1559 {
1560         int ret = 0;
1561         u32 size = sizeof(struct ieee80211_qos_parameters);
1562
1563         if(priv->ieee80211->state !=IEEE80211_LINKED)
1564                 return ret;
1565
1566         if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1567                 return ret;
1568
1569         if (network->flags & NETWORK_HAS_QOS_MASK) {
1570                 if (active_network &&
1571                                 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1572                         network->qos_data.active = network->qos_data.supported;
1573
1574                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1575                                 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1576                                 (network->qos_data.old_param_count !=
1577                                  network->qos_data.param_count)) {
1578                         network->qos_data.old_param_count =
1579                                 network->qos_data.param_count;
1580                         queue_work(priv->priv_wq, &priv->qos_activate);
1581                         RT_TRACE (COMP_QOS, "QoS parameters change call "
1582                                         "qos_activate\n");
1583                 }
1584         } else {
1585                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1586                        &def_qos_parameters, size);
1587
1588                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1589                         queue_work(priv->priv_wq, &priv->qos_activate);
1590                         RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate\n");
1591                 }
1592                 network->qos_data.active = 0;
1593                 network->qos_data.supported = 0;
1594         }
1595
1596         return 0;
1597 }
1598
1599 /* handle manage frame frame beacon and probe response */
1600 static int rtl8192_handle_beacon(struct net_device * dev,
1601                               struct ieee80211_beacon * beacon,
1602                               struct ieee80211_network * network)
1603 {
1604         struct r8192_priv *priv = ieee80211_priv(dev);
1605
1606         rtl8192_qos_handle_probe_response(priv,1,network);
1607
1608         queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1609         return 0;
1610
1611 }
1612
1613 /*
1614  * handling the beaconing responses. if we get different QoS setting
1615  * off the network from the associated setting, adjust the QoS setting
1616  */
1617 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1618                                     struct ieee80211_network *network)
1619 {
1620         int ret = 0;
1621         unsigned long flags;
1622         u32 size = sizeof(struct ieee80211_qos_parameters);
1623         int set_qos_param = 0;
1624
1625         if ((priv == NULL) || (network == NULL))
1626                 return ret;
1627
1628         if (priv->ieee80211->state != IEEE80211_LINKED)
1629                 return ret;
1630
1631         if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1632                 return ret;
1633
1634         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1635         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1636                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1637                          &network->qos_data.parameters,
1638                         sizeof(struct ieee80211_qos_parameters));
1639                 priv->ieee80211->current_network.qos_data.active = 1;
1640                 set_qos_param = 1;
1641                 /* update qos parameter for current network */
1642                 priv->ieee80211->current_network.qos_data.old_param_count =
1643                         priv->ieee80211->current_network.qos_data.param_count;
1644                 priv->ieee80211->current_network.qos_data.param_count =
1645                         network->qos_data.param_count;
1646
1647         } else {
1648                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1649                        &def_qos_parameters, size);
1650                 priv->ieee80211->current_network.qos_data.active = 0;
1651                 priv->ieee80211->current_network.qos_data.supported = 0;
1652                 set_qos_param = 1;
1653         }
1654
1655         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1656
1657         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__,
1658                 network->flags, priv->ieee80211->current_network.qos_data.active);
1659         if (set_qos_param == 1)
1660                 queue_work(priv->priv_wq, &priv->qos_activate);
1661
1662         return ret;
1663 }
1664
1665
1666 static int rtl8192_handle_assoc_response(struct net_device *dev,
1667                                      struct ieee80211_assoc_response_frame *resp,
1668                                      struct ieee80211_network *network)
1669 {
1670         struct r8192_priv *priv = ieee80211_priv(dev);
1671         rtl8192_qos_association_resp(priv, network);
1672         return 0;
1673 }
1674
1675
1676 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1677 static void rtl8192_update_ratr_table(struct r8192_priv* priv)
1678 {
1679         struct ieee80211_device* ieee = priv->ieee80211;
1680         u8* pMcsRate = ieee->dot11HTOperationalRateSet;
1681         u32 ratr_value = 0;
1682         u8 rate_index = 0;
1683
1684         rtl8192_config_rate(priv, (u16*)(&ratr_value));
1685         ratr_value |= (*(u16*)(pMcsRate)) << 12;
1686
1687         switch (ieee->mode)
1688         {
1689                 case IEEE_A:
1690                         ratr_value &= 0x00000FF0;
1691                         break;
1692                 case IEEE_B:
1693                         ratr_value &= 0x0000000F;
1694                         break;
1695                 case IEEE_G:
1696                         ratr_value &= 0x00000FF7;
1697                         break;
1698                 case IEEE_N_24G:
1699                 case IEEE_N_5G:
1700                         if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
1701                                 ratr_value &= 0x0007F007;
1702                         else{
1703                                 if (priv->rf_type == RF_1T2R)
1704                                         ratr_value &= 0x000FF007;
1705                                 else
1706                                         ratr_value &= 0x0F81F007;
1707                         }
1708                         break;
1709                 default:
1710                         break;
1711         }
1712         ratr_value &= 0x0FFFFFFF;
1713         if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
1714                 ratr_value |= 0x80000000;
1715         }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
1716                 ratr_value |= 0x80000000;
1717         }
1718         write_nic_dword(priv, RATR0+rate_index*4, ratr_value);
1719         write_nic_byte(priv, UFWP, 1);
1720 }
1721
1722 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
1723 {
1724         struct r8192_priv *priv = ieee80211_priv(dev);
1725         struct ieee80211_device *ieee = priv->ieee80211;
1726
1727         return !(ieee->rtllib_ap_sec_type &&
1728                  (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP)));
1729 }
1730
1731 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
1732 {
1733         struct ieee80211_device* ieee = priv->ieee80211;
1734         //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1735         if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
1736         {
1737                 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
1738         }
1739         else
1740                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
1741 }
1742
1743 static u8 rtl8192_getSupportedWireleeMode(void)
1744 {
1745         return (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
1746 }
1747
1748 static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
1749 {
1750         struct r8192_priv *priv = ieee80211_priv(dev);
1751         u8 bSupportMode = rtl8192_getSupportedWireleeMode();
1752
1753         if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
1754         {
1755                 if(bSupportMode & WIRELESS_MODE_N_24G)
1756                 {
1757                         wireless_mode = WIRELESS_MODE_N_24G;
1758                 }
1759                 else if(bSupportMode & WIRELESS_MODE_N_5G)
1760                 {
1761                         wireless_mode = WIRELESS_MODE_N_5G;
1762                 }
1763                 else if((bSupportMode & WIRELESS_MODE_A))
1764                 {
1765                         wireless_mode = WIRELESS_MODE_A;
1766                 }
1767                 else if((bSupportMode & WIRELESS_MODE_G))
1768                 {
1769                         wireless_mode = WIRELESS_MODE_G;
1770                 }
1771                 else if((bSupportMode & WIRELESS_MODE_B))
1772                 {
1773                         wireless_mode = WIRELESS_MODE_B;
1774                 }
1775                 else{
1776                         RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
1777                         wireless_mode = WIRELESS_MODE_B;
1778                 }
1779         }
1780         priv->ieee80211->mode = wireless_mode;
1781
1782         if ((wireless_mode == WIRELESS_MODE_N_24G) ||  (wireless_mode == WIRELESS_MODE_N_5G))
1783                 priv->ieee80211->pHTInfo->bEnableHT = 1;
1784         else
1785                 priv->ieee80211->pHTInfo->bEnableHT = 0;
1786         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1787         rtl8192_refresh_supportrate(priv);
1788 }
1789
1790 static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
1791 {
1792         struct r8192_priv* priv = ieee80211_priv(dev);
1793         struct ieee80211_device* ieee = priv->ieee80211;
1794
1795         return ieee->bHalfWirelessN24GMode;
1796 }
1797
1798 static short rtl8192_is_tx_queue_empty(struct net_device *dev)
1799 {
1800         int i=0;
1801         struct r8192_priv *priv = ieee80211_priv(dev);
1802         for (i=0; i<=MGNT_QUEUE; i++)
1803         {
1804                 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1805                         continue;
1806                 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1807                         printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1808                         return 0;
1809                 }
1810         }
1811         return 1;
1812 }
1813
1814 static void rtl8192_hw_sleep_down(struct r8192_priv *priv)
1815 {
1816         MgntActSet_RF_State(priv, eRfSleep, RF_CHANGE_BY_PS);
1817 }
1818
1819 static void rtl8192_hw_wakeup(struct net_device* dev)
1820 {
1821         struct r8192_priv *priv = ieee80211_priv(dev);
1822         MgntActSet_RF_State(priv, eRfOn, RF_CHANGE_BY_PS);
1823 }
1824
1825 static void rtl8192_hw_wakeup_wq (struct work_struct *work)
1826 {
1827         struct delayed_work *dwork = container_of(work,struct delayed_work,work);
1828         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
1829         struct net_device *dev = ieee->dev;
1830         rtl8192_hw_wakeup(dev);
1831
1832 }
1833
1834 #define MIN_SLEEP_TIME 50
1835 #define MAX_SLEEP_TIME 10000
1836 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
1837 {
1838         struct r8192_priv *priv = ieee80211_priv(dev);
1839         u32 tmp;
1840         u32 rb = jiffies;
1841
1842         // Writing HW register with 0 equals to disable
1843         // the timer, that is not really what we want
1844         //
1845         tl -= MSECS(8+16+7);
1846
1847         // If the interval in witch we are requested to sleep is too
1848         // short then give up and remain awake
1849         // when we sleep after send null frame, the timer will be too short to sleep.
1850         //
1851         if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
1852                         ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
1853                 printk("too short to sleep::%x, %x, %lx\n",tl, rb,  MSECS(MIN_SLEEP_TIME));
1854                 return;
1855         }
1856
1857         if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
1858                         ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
1859                         ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
1860                 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb,  MSECS(MAX_SLEEP_TIME));
1861                 return;
1862         }
1863
1864         tmp = (tl>rb)?(tl-rb):(rb-tl);
1865         queue_delayed_work(priv->ieee80211->wq,
1866                            &priv->ieee80211->hw_wakeup_wq,tmp);
1867
1868         rtl8192_hw_sleep_down(priv);
1869 }
1870
1871 static void rtl8192_init_priv_variable(struct r8192_priv *priv)
1872 {
1873         u8 i;
1874         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
1875
1876         // Default Halt the NIC if RF is OFF.
1877         pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
1878         pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
1879         pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
1880         pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
1881         pPSC->bLeisurePs = true;
1882         priv->ieee80211->RegMaxLPSAwakeIntvl = 5;
1883         priv->bHwRadioOff = false;
1884
1885         priv->being_init_adapter = false;
1886         priv->txringcount = 64;//32;
1887         priv->rxbuffersize = 9100;//2048;//1024;
1888         priv->rxringcount = MAX_RX_COUNT;//64;
1889         priv->chan = 1; //set to channel 1
1890         priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1891         priv->RegChannelPlan = 0xf;
1892         priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
1893         priv->ieee80211->iw_mode = IW_MODE_INFRA;
1894         priv->ieee80211->ieee_up=0;
1895         priv->retry_rts = DEFAULT_RETRY_RTS;
1896         priv->retry_data = DEFAULT_RETRY_DATA;
1897         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
1898         priv->ieee80211->rate = 110; //11 mbps
1899         priv->ieee80211->short_slot = 1;
1900         priv->promisc = (priv->ieee80211->dev->flags & IFF_PROMISC) ? 1:0;
1901         priv->bcck_in_ch14 = false;
1902         priv->CCKPresentAttentuation = 0;
1903         priv->rfa_txpowertrackingindex = 0;
1904         priv->rfc_txpowertrackingindex = 0;
1905         priv->CckPwEnl = 6;
1906         //added by amy for silent reset
1907         priv->ResetProgress = RESET_TYPE_NORESET;
1908         priv->bForcedSilentReset = 0;
1909         priv->bDisableNormalResetCheck = false;
1910         priv->force_reset = false;
1911         //added by amy for power save
1912         priv->RfOffReason = 0;
1913         priv->bHwRfOffAction = 0;
1914         priv->PowerSaveControl.bInactivePs = true;
1915         priv->PowerSaveControl.bIPSModeBackup = false;
1916
1917         priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1918         priv->ieee80211->iw_mode = IW_MODE_INFRA;
1919         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
1920                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
1921                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
1922                 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //|  //IEEE_SOFTMAC_SINGLE_QUEUE;
1923
1924         priv->ieee80211->active_scan = 1;
1925         priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
1926         priv->ieee80211->host_encrypt = 1;
1927         priv->ieee80211->host_decrypt = 1;
1928         priv->ieee80211->start_send_beacons = rtl8192_start_beacon;
1929         priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;
1930         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1931         priv->ieee80211->set_chan = rtl8192_set_chan;
1932         priv->ieee80211->link_change = rtl8192_link_change;
1933         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1934         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
1935         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
1936         priv->ieee80211->init_wmmparam_flag = 0;
1937         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
1938         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
1939         priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
1940         priv->ieee80211->qos_support = 1;
1941         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
1942         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
1943         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
1944
1945         priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
1946         priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
1947         priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1948         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
1949         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
1950         priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
1951
1952         priv->ieee80211->InitialGainHandler = InitialGain819xPci;
1953
1954 #ifdef ENABLE_IPS
1955         priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
1956         priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
1957 #endif
1958 #ifdef ENABLE_LPS
1959         priv->ieee80211->LeisurePSLeave            = LeisurePSLeave;
1960 #endif
1961
1962         priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
1963         priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
1964
1965         priv->ShortRetryLimit = 0x30;
1966         priv->LongRetryLimit = 0x30;
1967
1968         priv->ReceiveConfig = RCR_ADD3  |
1969                 RCR_AMF | RCR_ADF |             //accept management/data
1970                 RCR_AICV |                      //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
1971                 RCR_AB | RCR_AM | RCR_APM |     //accept BC/MC/UC
1972                 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
1973                 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
1974
1975         priv->pFirmware = vzalloc(sizeof(rt_firmware));
1976
1977         /* rx related queue */
1978         skb_queue_head_init(&priv->skb_queue);
1979
1980         /* Tx related queue */
1981         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1982                 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
1983         }
1984         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1985                 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
1986         }
1987         priv->rf_set_chan = rtl8192_phy_SwChnl;
1988 }
1989
1990 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
1991 {
1992         spin_lock_init(&priv->irq_th_lock);
1993         spin_lock_init(&priv->rf_ps_lock);
1994         sema_init(&priv->wx_sem,1);
1995         sema_init(&priv->rf_sem,1);
1996         mutex_init(&priv->mutex);
1997 }
1998
1999 /* init tasklet and wait_queue here */
2000 #define DRV_NAME "wlan0"
2001 static void rtl8192_init_priv_task(struct r8192_priv *priv)
2002 {
2003         priv->priv_wq = create_workqueue(DRV_NAME);
2004
2005 #ifdef ENABLE_IPS
2006         INIT_WORK(&priv->ieee80211->ips_leave_wq, IPSLeave_wq);
2007 #endif
2008
2009         INIT_WORK(&priv->reset_wq,  rtl8192_restart);
2010         INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2011         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,  dm_txpower_trackingcallback);
2012         INIT_DELAYED_WORK(&priv->rfpath_check_wq,  dm_rf_pathcheck_workitemcallback);
2013         INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2014         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2015         INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, rtl8192_hw_wakeup_wq);
2016
2017         tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet,
2018                      (unsigned long) priv);
2019         tasklet_init(&priv->irq_tx_tasklet, rtl8192_irq_tx_tasklet,
2020                      (unsigned long) priv);
2021         tasklet_init(&priv->irq_prepare_beacon_tasklet, rtl8192_prepare_beacon,
2022                      (unsigned long) priv);
2023 }
2024
2025 static void rtl8192_get_eeprom_size(struct r8192_priv *priv)
2026 {
2027         u16 curCR = 0;
2028         RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2029         curCR = read_nic_dword(priv, EPROM_CMD);
2030         RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2031         //whether need I consider BIT5?
2032         priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2033         RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2034 }
2035
2036 /*
2037  * Adapter->EEPROMAddressSize should be set before this function call.
2038  *  EEPROM address size can be got through GetEEPROMSize8185()
2039  */
2040 static void rtl8192_read_eeprom_info(struct r8192_priv *priv)
2041 {
2042         struct net_device *dev = priv->ieee80211->dev;
2043         u8                      tempval;
2044         u8                      ICVer8192, ICVer8256;
2045         u16                     i,usValue, IC_Version;
2046         u16                     EEPROMId;
2047         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2048         RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2049
2050
2051         // TODO: I don't know if we need to apply EF function to EEPROM read function
2052
2053         //2 Read EEPROM ID to make sure autoload is success
2054         EEPROMId = eprom_read(priv, 0);
2055         if( EEPROMId != RTL8190_EEPROM_ID )
2056         {
2057                 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2058                 priv->AutoloadFailFlag=true;
2059         }
2060         else
2061         {
2062                 priv->AutoloadFailFlag=false;
2063         }
2064
2065         //
2066         // Assign Chip Version ID
2067         //
2068         // Read IC Version && Channel Plan
2069         if(!priv->AutoloadFailFlag)
2070         {
2071                 // VID, PID
2072                 priv->eeprom_vid = eprom_read(priv, (EEPROM_VID >> 1));
2073                 priv->eeprom_did = eprom_read(priv, (EEPROM_DID >> 1));
2074
2075                 usValue = eprom_read(priv, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2076                 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2077                 usValue = eprom_read(priv, (EEPROM_ICVersion_ChannelPlan>>1));
2078                 priv->eeprom_ChannelPlan = usValue&0xff;
2079                 IC_Version = ((usValue&0xff00)>>8);
2080
2081                 ICVer8192 = (IC_Version&0xf);           //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2082                 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2083                 RT_TRACE(COMP_INIT, "ICVer8192 = 0x%x\n", ICVer8192);
2084                 RT_TRACE(COMP_INIT, "ICVer8256 = 0x%x\n", ICVer8256);
2085                 if(ICVer8192 == 0x2)    //B-cut
2086                 {
2087                         if(ICVer8256 == 0x5) //E-cut
2088                                 priv->card_8192_version= VERSION_8190_BE;
2089                 }
2090
2091                 switch(priv->card_8192_version)
2092                 {
2093                         case VERSION_8190_BD:
2094                         case VERSION_8190_BE:
2095                                 break;
2096                         default:
2097                                 priv->card_8192_version = VERSION_8190_BD;
2098                                 break;
2099                 }
2100                 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2101         }
2102         else
2103         {
2104                 priv->card_8192_version = VERSION_8190_BD;
2105                 priv->eeprom_vid = 0;
2106                 priv->eeprom_did = 0;
2107                 priv->eeprom_CustomerID = 0;
2108                 priv->eeprom_ChannelPlan = 0;
2109                 RT_TRACE(COMP_INIT, "IC Version = 0x%x\n", 0xff);
2110         }
2111
2112         RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2113         RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2114         RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2115
2116         //2 Read Permanent MAC address
2117         if(!priv->AutoloadFailFlag)
2118         {
2119                 for(i = 0; i < 6; i += 2)
2120                 {
2121                         usValue = eprom_read(priv, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2122                         *(u16*)(&dev->dev_addr[i]) = usValue;
2123                 }
2124         } else {
2125                 // when auto load failed,  the last address byte set to be a random one.
2126                 // added by david woo.2007/11/7
2127                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2128         }
2129
2130         RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
2131
2132                 //2 TX Power Check EEPROM Fail or not
2133         if(priv->card_8192_version > VERSION_8190_BD) {
2134                 priv->bTXPowerDataReadFromEEPORM = true;
2135         } else {
2136                 priv->bTXPowerDataReadFromEEPORM = false;
2137         }
2138
2139         // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2140         priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2141
2142         if(priv->card_8192_version > VERSION_8190_BD)
2143         {
2144                 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2145                 if(!priv->AutoloadFailFlag)
2146                 {
2147                         tempval = (eprom_read(priv, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2148                         priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf;        // bit[3:0]
2149
2150                         if (tempval&0x80)       //RF-indication, bit[7]
2151                                 priv->rf_type = RF_1T2R;
2152                         else
2153                                 priv->rf_type = RF_2T4R;
2154                 }
2155                 else
2156                 {
2157                         priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2158                 }
2159                 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2160                         priv->EEPROMLegacyHTTxPowerDiff);
2161
2162                 // Read ThermalMeter from EEPROM
2163                 if(!priv->AutoloadFailFlag)
2164                 {
2165                         priv->EEPROMThermalMeter = (u8)(((eprom_read(priv, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2166                 }
2167                 else
2168                 {
2169                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2170                 }
2171                 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2172                 //vivi, for tx power track
2173                 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2174
2175                 if(priv->epromtype == EPROM_93c46)
2176                 {
2177                 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2178                 if(!priv->AutoloadFailFlag)
2179                 {
2180                                 usValue = eprom_read(priv, (EEPROM_TxPwDiff_CrystalCap>>1));
2181                                 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2182                                 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2183                 }
2184                 else
2185                 {
2186                                 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2187                                 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2188                 }
2189                         RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2190                         RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2191
2192                 //
2193                 // Get per-channel Tx Power Level
2194                 //
2195                 for(i=0; i<14; i+=2)
2196                 {
2197                         if(!priv->AutoloadFailFlag)
2198                         {
2199                                 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2200                         }
2201                         else
2202                         {
2203                                 usValue = EEPROM_Default_TxPower;
2204                         }
2205                         *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2206                         RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2207                         RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2208                 }
2209                 for(i=0; i<14; i+=2)
2210                 {
2211                         if(!priv->AutoloadFailFlag)
2212                         {
2213                                 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2214                         }
2215                         else
2216                         {
2217                                 usValue = EEPROM_Default_TxPower;
2218                         }
2219                         *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2220                         RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2221                         RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2222                 }
2223                 }
2224
2225                 //
2226                 // Update HAL variables.
2227                 //
2228                 if(priv->epromtype == EPROM_93c46)
2229                 {
2230                         for(i=0; i<14; i++)
2231                         {
2232                                 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2233                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
2234                         }
2235                         priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2236                 // Antenna B gain offset to antenna A, bit0~3
2237                         priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
2238                 // Antenna C gain offset to antenna A, bit4~7
2239                         priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
2240                 // Antenna D gain offset to antenna A, bit8~11
2241                         priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
2242                 // CrystalCap, bit12~15
2243                         priv->CrystalCap = priv->EEPROMCrystalCap;
2244                 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2245                         priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2246                         priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2247                 }
2248                 else if(priv->epromtype == EPROM_93c56)
2249                 {
2250                         for(i=0; i<3; i++)      // channel 1~3 use the same Tx Power Level.
2251                         {
2252                                 priv->TxPowerLevelCCK_A[i]  = priv->EEPROMRfACCKChnl1TxPwLevel[0];
2253                                 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
2254                                 priv->TxPowerLevelCCK_C[i] =  priv->EEPROMRfCCCKChnl1TxPwLevel[0];
2255                                 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
2256                         }
2257                         for(i=3; i<9; i++)      // channel 4~9 use the same Tx Power Level
2258                         {
2259                                 priv->TxPowerLevelCCK_A[i]  = priv->EEPROMRfACCKChnl1TxPwLevel[1];
2260                                 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
2261                                 priv->TxPowerLevelCCK_C[i] =  priv->EEPROMRfCCCKChnl1TxPwLevel[1];
2262                                 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
2263                         }
2264                         for(i=9; i<14; i++)     // channel 10~14 use the same Tx Power Level
2265                         {
2266                                 priv->TxPowerLevelCCK_A[i]  = priv->EEPROMRfACCKChnl1TxPwLevel[2];
2267                                 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
2268                                 priv->TxPowerLevelCCK_C[i] =  priv->EEPROMRfCCCKChnl1TxPwLevel[2];
2269                                 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
2270                         }
2271                         for(i=0; i<14; i++)
2272                                 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
2273                         for(i=0; i<14; i++)
2274                                 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
2275                         for(i=0; i<14; i++)
2276                                 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
2277                         for(i=0; i<14; i++)
2278                                 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
2279                         priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2280                         priv->AntennaTxPwDiff[0] = 0;
2281                         priv->AntennaTxPwDiff[1] = 0;
2282                         priv->AntennaTxPwDiff[2] = 0;
2283                         priv->CrystalCap = priv->EEPROMCrystalCap;
2284                         // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2285                         priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2286                         priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2287                 }
2288         }
2289
2290         if(priv->rf_type == RF_1T2R)
2291         {
2292                 RT_TRACE(COMP_INIT, "1T2R config\n");
2293         }
2294         else if (priv->rf_type == RF_2T4R)
2295         {
2296                 RT_TRACE(COMP_INIT, "2T4R config\n");
2297         }
2298
2299         // 2008/01/16 MH We can only know RF type in the function. So we have to init
2300         // DIG RATR table again.
2301         init_rate_adaptive(dev);
2302
2303         //1 Make a copy for following variables and we can change them if we want
2304
2305         if(priv->RegChannelPlan == 0xf)
2306         {
2307                 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2308         }
2309         else
2310         {
2311                 priv->ChannelPlan = priv->RegChannelPlan;
2312         }
2313
2314         //
2315         //  Used PID and DID to Set CustomerID
2316         //
2317         if( priv->eeprom_vid == 0x1186 &&  priv->eeprom_did == 0x3304 )
2318         {
2319                 priv->CustomerID =  RT_CID_DLINK;
2320         }
2321
2322         switch(priv->eeprom_CustomerID)
2323         {
2324                 case EEPROM_CID_DEFAULT:
2325                         priv->CustomerID = RT_CID_DEFAULT;
2326                         break;
2327                 case EEPROM_CID_CAMEO:
2328                         priv->CustomerID = RT_CID_819x_CAMEO;
2329                         break;
2330                 case  EEPROM_CID_RUNTOP:
2331                         priv->CustomerID = RT_CID_819x_RUNTOP;
2332                         break;
2333                 case EEPROM_CID_NetCore:
2334                         priv->CustomerID = RT_CID_819x_Netcore;
2335                         break;
2336                 case EEPROM_CID_TOSHIBA:        // Merge by Jacken, 2008/01/31
2337                         priv->CustomerID = RT_CID_TOSHIBA;
2338                         if(priv->eeprom_ChannelPlan&0x80)
2339                                 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
2340                         else
2341                                 priv->ChannelPlan = 0x0;
2342                         RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
2343                                 priv->ChannelPlan);
2344                         break;
2345                 case EEPROM_CID_Nettronix:
2346                         priv->CustomerID = RT_CID_Nettronix;
2347                         break;
2348                 case EEPROM_CID_Pronet:
2349                         priv->CustomerID = RT_CID_PRONET;
2350                         break;
2351                 case EEPROM_CID_DLINK:
2352                         priv->CustomerID = RT_CID_DLINK;
2353                         break;
2354
2355                 case EEPROM_CID_WHQL:
2356                         break;
2357                 default:
2358                         // value from RegCustomerID
2359                         break;
2360         }
2361
2362         //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2363         if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
2364                 priv->ChannelPlan = 0; //FCC
2365
2366         if( priv->eeprom_vid == 0x1186 &&  priv->eeprom_did == 0x3304)
2367                 priv->ieee80211->bSupportRemoteWakeUp = true;
2368         else
2369                 priv->ieee80211->bSupportRemoteWakeUp = false;
2370
2371
2372         RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
2373         RT_TRACE(COMP_INIT, "ChannelPlan = %d\n", priv->ChannelPlan);
2374         RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
2375 }
2376
2377
2378 static short rtl8192_get_channel_map(struct r8192_priv *priv)
2379 {
2380 #ifdef ENABLE_DOT11D
2381         if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
2382                 printk("rtl8180_init:Error channel plan! Set to default.\n");
2383                 priv->ChannelPlan= 0;
2384         }
2385         RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
2386
2387         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2388 #else
2389         int ch,i;
2390         //Set Default Channel Plan
2391         if(!channels){
2392                 DMESG("No channels, aborting");
2393                 return -1;
2394         }
2395         ch=channels;
2396         priv->ChannelPlan= 0;//hikaru
2397          // set channels 1..14 allowed in given locale
2398         for (i=1; i<=14; i++) {
2399                 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
2400                 ch >>= 1;
2401         }
2402 #endif
2403         return 0;
2404 }
2405
2406 static short rtl8192_init(struct r8192_priv *priv)
2407 {
2408         struct net_device *dev = priv->ieee80211->dev;
2409
2410         memset(&(priv->stats),0,sizeof(struct Stats));
2411         rtl8192_init_priv_variable(priv);
2412         rtl8192_init_priv_lock(priv);
2413         rtl8192_init_priv_task(priv);
2414         rtl8192_get_eeprom_size(priv);
2415         rtl8192_read_eeprom_info(priv);
2416         rtl8192_get_channel_map(priv);
2417         init_hal_dm(dev);
2418         init_timer(&priv->watch_dog_timer);
2419         priv->watch_dog_timer.data = (unsigned long)priv;
2420         priv->watch_dog_timer.function = watch_dog_timer_callback;
2421         if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, dev)) {
2422                 printk("Error allocating IRQ %d",dev->irq);
2423                 return -1;
2424         }else{
2425                 priv->irq=dev->irq;
2426                 printk("IRQ %d",dev->irq);
2427         }
2428         if (rtl8192_pci_initdescring(priv) != 0){
2429                 printk("Endopoints initialization failed");
2430                 return -1;
2431         }
2432
2433         return 0;
2434 }
2435
2436 /*
2437  * Actually only set RRSR, RATR and BW_OPMODE registers
2438  *  not to do all the hw config as its name says
2439  * This part need to modified according to the rate set we filtered
2440  */
2441 static void rtl8192_hwconfig(struct r8192_priv *priv)
2442 {
2443         u32 regRATR = 0, regRRSR = 0;
2444         u8 regBwOpMode = 0, regTmp = 0;
2445
2446 // Set RRSR, RATR, and BW_OPMODE registers
2447         //
2448         switch (priv->ieee80211->mode)
2449         {
2450         case WIRELESS_MODE_B:
2451                 regBwOpMode = BW_OPMODE_20MHZ;
2452                 regRATR = RATE_ALL_CCK;
2453                 regRRSR = RATE_ALL_CCK;
2454                 break;
2455         case WIRELESS_MODE_A:
2456                 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2457                 regRATR = RATE_ALL_OFDM_AG;
2458                 regRRSR = RATE_ALL_OFDM_AG;
2459                 break;
2460         case WIRELESS_MODE_G:
2461                 regBwOpMode = BW_OPMODE_20MHZ;
2462                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2463                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2464                 break;
2465         case WIRELESS_MODE_AUTO:
2466         case WIRELESS_MODE_N_24G:
2467                 // It support CCK rate by default.
2468                 // CCK rate will be filtered out only when associated AP does not support it.
2469                 regBwOpMode = BW_OPMODE_20MHZ;
2470                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2471                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2472                 break;
2473         case WIRELESS_MODE_N_5G:
2474                 regBwOpMode = BW_OPMODE_5G;
2475                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2476                 regRRSR = RATE_ALL_OFDM_AG;
2477                 break;
2478         }
2479
2480         write_nic_byte(priv, BW_OPMODE, regBwOpMode);
2481         {
2482                 u32 ratr_value = 0;
2483                 ratr_value = regRATR;
2484                 if (priv->rf_type == RF_1T2R)
2485                 {
2486                         ratr_value &= ~(RATE_ALL_OFDM_2SS);
2487                 }
2488                 write_nic_dword(priv, RATR0, ratr_value);
2489                 write_nic_byte(priv, UFWP, 1);
2490         }
2491         regTmp = read_nic_byte(priv, 0x313);
2492         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2493         write_nic_dword(priv, RRSR, regRRSR);
2494
2495         //
2496         // Set Retry Limit here
2497         //
2498         write_nic_word(priv, RETRY_LIMIT,
2499                         priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2500                         priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2501         // Set Contention Window here
2502
2503         // Set Tx AGC
2504
2505         // Set Tx Antenna including Feedback control
2506
2507         // Set Auto Rate fallback control
2508
2509
2510 }
2511
2512
2513 static RT_STATUS rtl8192_adapter_start(struct r8192_priv *priv)
2514 {
2515         struct net_device *dev = priv->ieee80211->dev;
2516         u32 ulRegRead;
2517         RT_STATUS rtStatus = RT_STATUS_SUCCESS;
2518         u8 tmpvalue;
2519         u8 ICVersion,SwitchingRegulatorOutput;
2520         bool bfirmwareok = true;
2521         u32     tmpRegA, tmpRegC, TempCCk;
2522         int     i =0;
2523
2524         RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
2525         priv->being_init_adapter = true;
2526         rtl8192_pci_resetdescring(priv);
2527         // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2528         priv->Rf_Mode = RF_OP_By_SW_3wire;
2529
2530         //dPLL on
2531         if(priv->ResetProgress == RESET_TYPE_NORESET)
2532         {
2533             write_nic_byte(priv, ANAPAR, 0x37);
2534             // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
2535             // Joseph increae the time to prevent firmware download fail
2536             mdelay(500);
2537         }
2538
2539         //PlatformSleepUs(10000);
2540         // For any kind of InitializeAdapter process, we shall use system now!!
2541         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2542
2543         //
2544         //3 //Config CPUReset Register
2545         //3//
2546         //3 Firmware Reset Or Not
2547         ulRegRead = read_nic_dword(priv, CPU_GEN);
2548         if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2549         {       //called from MPInitialized. do nothing
2550                 ulRegRead |= CPU_GEN_SYSTEM_RESET;
2551         }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2552                 ulRegRead |= CPU_GEN_FIRMWARE_RESET;    // Called from MPReset
2553         else
2554                 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__,   priv->pFirmware->firmware_status);
2555
2556         write_nic_dword(priv, CPU_GEN, ulRegRead);
2557
2558         //3//
2559         //3 //Fix the issue of E-cut high temperature issue
2560         //3//
2561         // TODO: E cut only
2562         ICVersion = read_nic_byte(priv, IC_VERRSION);
2563         if(ICVersion >= 0x4) //E-cut only
2564         {
2565                 // HW SD suggest that we should not wirte this register too often, so driver
2566                 // should readback this register. This register will be modified only when
2567                 // power on reset
2568                 SwitchingRegulatorOutput = read_nic_byte(priv, SWREGULATOR);
2569                 if(SwitchingRegulatorOutput  != 0xb8)
2570                 {
2571                         write_nic_byte(priv, SWREGULATOR, 0xa8);
2572                         mdelay(1);
2573                         write_nic_byte(priv, SWREGULATOR, 0xb8);
2574                 }
2575         }
2576
2577         //3//
2578         //3// Initialize BB before MAC
2579         //3//
2580         RT_TRACE(COMP_INIT, "BB Config Start!\n");
2581         rtStatus = rtl8192_BBConfig(priv);
2582         if(rtStatus != RT_STATUS_SUCCESS)
2583         {
2584                 RT_TRACE(COMP_ERR, "BB Config failed\n");
2585                 return rtStatus;
2586         }
2587         RT_TRACE(COMP_INIT,"BB Config Finished!\n");
2588
2589         //3//Set Loopback mode or Normal mode
2590         //3//
2591         //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
2592         //      because setting of System_Reset bit reset MAC to default transmission mode.
2593                 //Loopback mode or not
2594         priv->LoopbackMode = RTL819X_NO_LOOPBACK;
2595         if(priv->ResetProgress == RESET_TYPE_NORESET)
2596         {
2597         ulRegRead = read_nic_dword(priv, CPU_GEN);
2598         if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
2599         {
2600                 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
2601         }
2602         else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
2603         {
2604                 ulRegRead |= CPU_CCK_LOOPBACK;
2605         }
2606         else
2607         {
2608                 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
2609         }
2610
2611         //2008.06.03, for WOL
2612         //ulRegRead &= (~(CPU_GEN_GPIO_UART));
2613         write_nic_dword(priv, CPU_GEN, ulRegRead);
2614
2615         // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
2616         udelay(500);
2617         }
2618         //3Set Hardware(Do nothing now)
2619         rtl8192_hwconfig(priv);
2620         //2=======================================================
2621         // Common Setting for all of the FPGA platform. (part 1)
2622         //2=======================================================
2623         // If there is changes, please make sure it applies to all of the FPGA version
2624         //3 Turn on Tx/Rx
2625         write_nic_byte(priv, CMDR, CR_RE|CR_TE);
2626
2627         //2Set Tx dma burst
2628         write_nic_byte(priv, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
2629                                    (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
2630
2631         //set IDR0 here
2632         write_nic_dword(priv, MAC0, ((u32*)dev->dev_addr)[0]);
2633         write_nic_word(priv, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
2634         //set RCR
2635         write_nic_dword(priv, RCR, priv->ReceiveConfig);
2636
2637         //3 Initialize Number of Reserved Pages in Firmware Queue
2638                 write_nic_dword(priv, RQPN1,  NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2639                                         NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2640                                         NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2641                                         NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2642                 write_nic_dword(priv, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
2643                 write_nic_dword(priv, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
2644                                         NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
2645                                         NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
2646
2647         rtl8192_tx_enable(priv);
2648         rtl8192_rx_enable(priv);
2649         //3Set Response Rate Setting Register
2650         // CCK rate is supported by default.
2651         // CCK rate will be filtered out only when associated AP does not support it.
2652         ulRegRead = (0xFFF00000 & read_nic_dword(priv, RRSR))  | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
2653         write_nic_dword(priv, RRSR, ulRegRead);
2654         write_nic_dword(priv, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2655
2656         //2Set AckTimeout
2657         // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
2658         write_nic_byte(priv, ACK_TIMEOUT, 0x30);
2659
2660         if(priv->ResetProgress == RESET_TYPE_NORESET)
2661         rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2662         //-----------------------------------------------------------------------------
2663         // Set up security related. 070106, by rcnjko:
2664         // 1. Clear all H/W keys.
2665         // 2. Enable H/W encryption/decryption.
2666         //-----------------------------------------------------------------------------
2667         CamResetAllEntry(priv);
2668         {
2669                 u8 SECR_value = 0x0;
2670                 SECR_value |= SCR_TxEncEnable;
2671                 SECR_value |= SCR_RxDecEnable;
2672                 SECR_value |= SCR_NoSKMC;
2673                 write_nic_byte(priv, SECR, SECR_value);
2674         }
2675         //3Beacon related
2676         write_nic_word(priv, ATIMWND, 2);
2677         write_nic_word(priv, BCN_INTERVAL, 100);
2678         for (i=0; i<QOS_QUEUE_NUM; i++)
2679                 write_nic_dword(priv, WDCAPARA_ADD[i], 0x005e4332);
2680         //
2681         // Switching regulator controller: This is set temporarily.
2682         // It's not sure if this can be removed in the future.
2683         // PJ advised to leave it by default.
2684         //
2685         write_nic_byte(priv, 0xbe, 0xc0);
2686
2687         //2=======================================================
2688         // Set PHY related configuration defined in MAC register bank
2689         //2=======================================================
2690         rtl8192_phy_configmac(priv);
2691
2692         if (priv->card_8192_version > (u8) VERSION_8190_BD) {
2693                 rtl8192_phy_getTxPower(priv);
2694                 rtl8192_phy_setTxPower(priv, priv->chan);
2695         }
2696
2697         //if D or C cut
2698                 tmpvalue = read_nic_byte(priv, IC_VERRSION);
2699                 priv->IC_Cut = tmpvalue;
2700                 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
2701                 if(priv->IC_Cut >= IC_VersionCut_D)
2702                 {
2703                         //pHalData->bDcut = TRUE;
2704                         if(priv->IC_Cut == IC_VersionCut_D)
2705                                 RT_TRACE(COMP_INIT, "D-cut\n");
2706                         if(priv->IC_Cut == IC_VersionCut_E)
2707                         {
2708                                 RT_TRACE(COMP_INIT, "E-cut\n");
2709                                 // HW SD suggest that we should not wirte this register too often, so driver
2710                                 // should readback this register. This register will be modified only when
2711                                 // power on reset
2712                         }
2713                 }
2714                 else
2715                 {
2716                         //pHalData->bDcut = FALSE;
2717                         RT_TRACE(COMP_INIT, "Before C-cut\n");
2718                 }
2719
2720         //Firmware download
2721         RT_TRACE(COMP_INIT, "Load Firmware!\n");
2722         bfirmwareok = init_firmware(dev);
2723         if(bfirmwareok != true) {
2724                 rtStatus = RT_STATUS_FAILURE;
2725                 return rtStatus;
2726         }
2727         RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
2728
2729         //RF config
2730         if(priv->ResetProgress == RESET_TYPE_NORESET)
2731         {
2732         RT_TRACE(COMP_INIT, "RF Config Started!\n");
2733         rtStatus = rtl8192_phy_RFConfig(priv);
2734         if(rtStatus != RT_STATUS_SUCCESS)
2735         {
2736                 RT_TRACE(COMP_ERR, "RF Config failed\n");
2737                         return rtStatus;
2738         }
2739         RT_TRACE(COMP_INIT, "RF Config Finished!\n");
2740         }
2741         rtl8192_phy_updateInitGain(priv);
2742
2743         /*---- Set CCK and OFDM Block "ON"----*/
2744         rtl8192_setBBreg(priv, rFPGA0_RFMOD, bCCKEn, 0x1);
2745         rtl8192_setBBreg(priv, rFPGA0_RFMOD, bOFDMEn, 0x1);
2746
2747         //Enable Led
2748         write_nic_byte(priv, 0x87, 0x0);
2749
2750         //2=======================================================
2751         // RF Power Save
2752         //2=======================================================
2753 #ifdef ENABLE_IPS
2754
2755 {
2756         if(priv->RfOffReason > RF_CHANGE_BY_PS)
2757         { // H/W or S/W RF OFF before sleep.
2758                 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__,priv->RfOffReason);
2759                 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2760         }
2761         else if(priv->RfOffReason >= RF_CHANGE_BY_IPS)
2762         { // H/W or S/W RF OFF before sleep.
2763                 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n",  __FUNCTION__, priv->RfOffReason);
2764                 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2765         }
2766         else
2767         {
2768                 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
2769                 priv->eRFPowerState = eRfOn;
2770                 priv->RfOffReason = 0;
2771         }
2772 }
2773 #endif
2774         // We can force firmware to do RF-R/W
2775         if(priv->ieee80211->FwRWRF)
2776                 priv->Rf_Mode = RF_OP_By_FW;
2777         else
2778                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2779
2780         if(priv->ResetProgress == RESET_TYPE_NORESET)
2781         {
2782                 dm_initialize_txpower_tracking(priv);
2783
2784                 if(priv->IC_Cut >= IC_VersionCut_D)
2785                 {
2786                         tmpRegA = rtl8192_QueryBBReg(priv, rOFDM0_XATxIQImbalance, bMaskDWord);
2787                         tmpRegC = rtl8192_QueryBBReg(priv, rOFDM0_XCTxIQImbalance, bMaskDWord);
2788                         for(i = 0; i<TxBBGainTableLength; i++)
2789                         {
2790                                 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
2791                                 {
2792                                         priv->rfa_txpowertrackingindex= (u8)i;
2793                                         priv->rfa_txpowertrackingindex_real= (u8)i;
2794                                         priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
2795                                         break;
2796                                 }
2797                         }
2798
2799                 TempCCk = rtl8192_QueryBBReg(priv, rCCK0_TxFilter1, bMaskByte2);
2800
2801                 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
2802                 {
2803                         if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
2804                         {
2805                                 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
2806                                 break;
2807                         }
2808                 }
2809                 priv->CCKPresentAttentuation_40Mdefault = 0;
2810                 priv->CCKPresentAttentuation_difference = 0;
2811                 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
2812                         RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
2813                         RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
2814                         RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
2815                         RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
2816                         priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
2817                 }
2818         }
2819
2820         rtl8192_irq_enable(priv);
2821         priv->being_init_adapter = false;
2822         return rtStatus;
2823
2824 }
2825
2826 static void rtl8192_prepare_beacon(unsigned long arg)
2827 {
2828         struct r8192_priv *priv = (struct r8192_priv*) arg;
2829         struct sk_buff *skb;
2830         cb_desc *tcb_desc;
2831
2832         skb = ieee80211_get_beacon(priv->ieee80211);
2833         tcb_desc = (cb_desc *)(skb->cb + 8);
2834         /* prepare misc info for the beacon xmit */
2835         tcb_desc->queue_index = BEACON_QUEUE;
2836         /* IBSS does not support HT yet, use 1M defaultly */
2837         tcb_desc->data_rate = 2;
2838         tcb_desc->RATRIndex = 7;
2839         tcb_desc->bTxDisableRateFallBack = 1;
2840         tcb_desc->bTxUseDriverAssingedRate = 1;
2841
2842         skb_push(skb, priv->ieee80211->tx_headroom);
2843         if(skb){
2844                 rtl8192_tx(priv, skb);
2845         }
2846 }
2847
2848
2849 /*
2850  * configure registers for beacon tx and enables it via
2851  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
2852  * be used to stop beacon transmission
2853  */
2854 static void rtl8192_start_beacon(struct ieee80211_device *ieee80211)
2855 {
2856         struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
2857         struct ieee80211_network *net = &priv->ieee80211->current_network;
2858         u16 BcnTimeCfg = 0;
2859         u16 BcnCW = 6;
2860         u16 BcnIFS = 0xf;
2861
2862         DMESG("Enabling beacon TX");
2863         rtl8192_irq_disable(priv);
2864         //rtl8192_beacon_tx_enable(dev);
2865
2866         /* ATIM window */
2867         write_nic_word(priv, ATIMWND, 2);
2868
2869         /* Beacon interval (in unit of TU) */
2870         write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
2871
2872         /*
2873          * DrvErlyInt (in unit of TU).
2874          * (Time to send interrupt to notify driver to c
2875          * hange beacon content)
2876          * */
2877         write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
2878
2879         /*
2880          * BcnDMATIM(in unit of us).
2881          * Indicates the time before TBTT to perform beacon queue DMA
2882          * */
2883         write_nic_word(priv, BCN_DMATIME, 256);
2884
2885         /*
2886          * Force beacon frame transmission even after receiving
2887          * beacon frame from other ad hoc STA
2888          * */
2889         write_nic_byte(priv, BCN_ERR_THRESH, 100);
2890
2891         /* Set CW and IFS */
2892         BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
2893         BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
2894         write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
2895
2896
2897         /* enable the interrupt for ad-hoc process */
2898         rtl8192_irq_enable(priv);
2899 }
2900
2901 static bool HalRxCheckStuck8190Pci(struct r8192_priv *priv)
2902 {
2903         u16 RegRxCounter = read_nic_word(priv, 0x130);
2904         bool                            bStuck = FALSE;
2905
2906         RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
2907         // If rssi is small, we should check rx for long time because of bad rx.
2908         // or maybe it will continuous silent reset every 2 seconds.
2909         priv->rx_chk_cnt++;
2910         if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
2911         {
2912                 priv->rx_chk_cnt = 0;   /* high rssi, check rx stuck right now. */
2913         }
2914         else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
2915                 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
2916                 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
2917
2918         {
2919                 if(priv->rx_chk_cnt < 2)
2920                 {
2921                         return bStuck;
2922                 }
2923                 else
2924                 {
2925                         priv->rx_chk_cnt = 0;
2926                 }
2927         }
2928         else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
2929                 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
2930                 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
2931         {
2932                 if(priv->rx_chk_cnt < 4)
2933                 {
2934                         return bStuck;
2935                 }
2936                 else
2937                 {
2938                         priv->rx_chk_cnt = 0;
2939                 }
2940         }
2941         else
2942         {
2943                 if(priv->rx_chk_cnt < 8)
2944                 {
2945                         return bStuck;
2946                 }
2947                 else
2948                 {
2949                         priv->rx_chk_cnt = 0;
2950                 }
2951         }
2952         if(priv->RxCounter==RegRxCounter)
2953                 bStuck = TRUE;
2954
2955         priv->RxCounter = RegRxCounter;
2956
2957         return bStuck;
2958 }
2959
2960 static RESET_TYPE RxCheckStuck(struct r8192_priv *priv)
2961 {
2962
2963         if(HalRxCheckStuck8190Pci(priv))
2964         {
2965                 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
2966                 return RESET_TYPE_SILENT;
2967         }
2968
2969         return RESET_TYPE_NORESET;
2970 }
2971
2972 static RESET_TYPE rtl819x_check_reset(struct r8192_priv *priv)
2973 {
2974         RESET_TYPE RxResetType = RESET_TYPE_NORESET;
2975         RT_RF_POWER_STATE rfState;
2976
2977         rfState = priv->eRFPowerState;
2978
2979         if (rfState != eRfOff && (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
2980                 /*
2981                  * If driver is in the status of firmware download failure,
2982                  * driver skips RF initialization and RF is in turned off state.
2983                  * Driver should check whether Rx stuck and do silent reset. And
2984                  * if driver is in firmware download failure status, driver
2985                  * should initialize RF in the following silent reset procedure
2986                  *
2987                  * Driver should not check RX stuck in IBSS mode because it is
2988                  * required to set Check BSSID in order to send beacon, however,
2989                  * if check BSSID is set, STA cannot hear any packet a all.
2990                  */
2991                 RxResetType = RxCheckStuck(priv);
2992         }
2993
2994         RT_TRACE(COMP_RESET, "%s():  RxResetType is %d\n", __FUNCTION__, RxResetType);
2995
2996         return RxResetType;
2997 }
2998
2999 #ifdef ENABLE_IPS
3000 static void InactivePsWorkItemCallback(struct r8192_priv *priv)
3001 {
3002         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3003
3004         RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() --------->\n");
3005         //
3006         // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
3007         // is really scheduled.
3008         // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3009         // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3010         // blocks the IPS procedure of switching RF.
3011         // By Bruce, 2007-12-25.
3012         //
3013         pPSC->bSwRfProcessing = TRUE;
3014
3015         RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3016                         pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
3017
3018
3019         MgntActSet_RF_State(priv, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
3020
3021         //
3022         // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3023         //
3024         pPSC->bSwRfProcessing = FALSE;
3025         RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <---------\n");
3026 }
3027
3028 #ifdef ENABLE_LPS
3029 /* Change current and default preamble mode. */
3030 bool MgntActSet_802_11_PowerSaveMode(struct r8192_priv *priv, u8 rtPsMode)
3031 {
3032
3033         // Currently, we do not change power save mode on IBSS mode.
3034         if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3035         {
3036                 return false;
3037         }
3038
3039         //
3040         // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3041         // some AP will not response to our mgnt frames with PwrMgt bit set,
3042         // e.g. cannot associate the AP.
3043         // So I commented out it. 2005.02.16, by rcnjko.
3044         //
3045 //      // Change device's power save mode.
3046 //      Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3047
3048         // Update power save mode configured.
3049         //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3050         if(!priv->ps_force) {
3051                 priv->ieee80211->ps = rtPsMode;
3052         }
3053
3054         // Awake immediately
3055         if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
3056         {
3057                 // Notify the AP we awke.
3058                 rtl8192_hw_wakeup(priv->ieee80211->dev);
3059                 priv->ieee80211->sta_sleep = 0;
3060
3061                 spin_lock(&priv->ieee80211->mgmt_tx_lock);
3062                 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3063                 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
3064                 spin_unlock(&priv->ieee80211->mgmt_tx_lock);
3065         }
3066
3067         return true;
3068 }
3069
3070 /* Enter the leisure power save mode. */
3071 void LeisurePSEnter(struct ieee80211_device *ieee80211)
3072 {
3073         struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3074         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3075
3076         if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
3077                 (priv->ieee80211->state == IEEE80211_LINKED)) ||
3078                 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
3079                 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
3080                 return;
3081
3082         if (pPSC->bLeisurePs)
3083         {
3084                 // Idle for a while if we connect to AP a while ago.
3085                 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) //  4 Sec
3086                 {
3087
3088                         if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
3089                         {
3090                                 MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
3091
3092                         }
3093                 }
3094                 else
3095                         pPSC->LpsIdleCount++;
3096         }
3097 }
3098
3099
3100 /* Leave leisure power save mode. */
3101 void LeisurePSLeave(struct ieee80211_device *ieee80211)
3102 {
3103         struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3104         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3105
3106         if (pPSC->bLeisurePs)
3107         {
3108                 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
3109                 {
3110                         // move to lps_wakecomplete()
3111                         MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_DISABLED);
3112
3113                 }
3114         }
3115 }
3116 #endif
3117
3118
3119 /* Enter the inactive power save mode. RF will be off */
3120 void IPSEnter(struct r8192_priv *priv)
3121 {
3122         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3123         RT_RF_POWER_STATE                       rtState;
3124
3125         if (pPSC->bInactivePs)
3126         {
3127                 rtState = priv->eRFPowerState;
3128                 //
3129                 // Added by Bruce, 2007-12-25.
3130                 // Do not enter IPS in the following conditions:
3131                 // (1) RF is already OFF or Sleep
3132                 // (2) bSwRfProcessing (indicates the IPS is still under going)
3133                 // (3) Connectted (only disconnected can trigger IPS)
3134                 // (4) IBSS (send Beacon)
3135                 // (5) AP mode (send Beacon)
3136                 //
3137                 if (rtState == eRfOn && !pPSC->bSwRfProcessing
3138                         && (priv->ieee80211->state != IEEE80211_LINKED) )
3139                 {
3140                         RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
3141                         pPSC->eInactivePowerState = eRfOff;
3142 //                      queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
3143                         InactivePsWorkItemCallback(priv);
3144                 }
3145         }
3146 }
3147
3148 //
3149 //      Description:
3150 //              Leave the inactive power save mode, RF will be on.
3151 //      2007.08.17, by shien chang.
3152 //
3153 void IPSLeave(struct r8192_priv *priv)
3154 {
3155         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3156         RT_RF_POWER_STATE       rtState;
3157
3158         if (pPSC->bInactivePs)
3159         {
3160                 rtState = priv->eRFPowerState;
3161                 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->RfOffReason <= RF_CHANGE_BY_IPS)
3162                 {
3163                         RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
3164                         pPSC->eInactivePowerState = eRfOn;
3165                         InactivePsWorkItemCallback(priv);
3166                 }
3167         }
3168 }
3169
3170 void IPSLeave_wq(struct work_struct *work)
3171 {
3172         struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ips_leave_wq);
3173         struct net_device *dev = ieee->dev;
3174
3175         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3176         down(&priv->ieee80211->ips_sem);
3177         IPSLeave(priv);
3178         up(&priv->ieee80211->ips_sem);
3179 }
3180
3181 void ieee80211_ips_leave_wq(struct ieee80211_device *ieee80211)
3182 {
3183         struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3184         RT_RF_POWER_STATE       rtState;
3185         rtState = priv->eRFPowerState;
3186
3187         if (priv->PowerSaveControl.bInactivePs){
3188                 if(rtState == eRfOff){
3189                         if(priv->RfOffReason > RF_CHANGE_BY_IPS)
3190                         {
3191                                 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
3192                                 return;
3193                         }
3194                         else{
3195                                 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
3196                                 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
3197                         }
3198                 }
3199         }
3200 }
3201 //added by amy 090331 end
3202 void ieee80211_ips_leave(struct ieee80211_device *ieee80211)
3203 {
3204         struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3205         down(&ieee80211->ips_sem);
3206         IPSLeave(priv);
3207         up(&ieee80211->ips_sem);
3208 }
3209 #endif
3210
3211 static void rtl819x_update_rxcounts(
3212         struct r8192_priv *priv,
3213         u32* TotalRxBcnNum,
3214         u32* TotalRxDataNum
3215 )
3216 {
3217         u16                     SlotIndex;
3218         u8                      i;
3219
3220         *TotalRxBcnNum = 0;
3221         *TotalRxDataNum = 0;
3222
3223         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
3224         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3225         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3226         for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
3227                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3228                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3229         }
3230 }
3231
3232
3233 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3234 {
3235         struct delayed_work *dwork = container_of(work,struct delayed_work,work);
3236        struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
3237         struct net_device *dev = priv->ieee80211->dev;
3238         struct ieee80211_device* ieee = priv->ieee80211;
3239         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3240         bool bBusyTraffic = false;
3241         bool bEnterPS = false;
3242
3243         if ((!priv->up) || priv->bHwRadioOff)
3244                 return;
3245
3246         if(!priv->up)
3247                 return;
3248         hal_dm_watchdog(dev);
3249 #ifdef ENABLE_IPS
3250         if(ieee->actscanning == false){
3251                 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&
3252                     (priv->eRFPowerState == eRfOn) && !ieee->is_set_key &&
3253                     (!ieee->proto_stoppping) && !ieee->wx_set_enc){
3254                         if (priv->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
3255                                 IPSEnter(priv);
3256                         }
3257                 }
3258         }
3259 #endif
3260         {//to get busy traffic condition
3261                 if(ieee->state == IEEE80211_LINKED)
3262                 {
3263                         if(     ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
3264                                 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
3265                                 bBusyTraffic = true;
3266                         }
3267
3268 #ifdef ENABLE_LPS
3269                         //added by amy for Leisure PS
3270                         if(     ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
3271                                 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
3272                         {
3273                                 bEnterPS= false;
3274                         }
3275                         else
3276                         {
3277                                 bEnterPS= true;
3278                         }
3279
3280                         // LeisurePS only work in infra mode.
3281                         if(bEnterPS)
3282                         {
3283                                 LeisurePSEnter(priv->ieee80211);
3284                         }
3285                         else
3286                         {
3287                                 LeisurePSLeave(priv->ieee80211);
3288                         }
3289 #endif
3290
3291                 }
3292                 else
3293                 {
3294 #ifdef ENABLE_LPS
3295                         LeisurePSLeave(priv->ieee80211);
3296 #endif
3297                 }
3298
3299                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3300                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3301                 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
3302                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3303         }
3304
3305
3306         //added by amy for AP roaming
3307                 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3308                 {
3309                         u32     TotalRxBcnNum = 0;
3310                         u32     TotalRxDataNum = 0;
3311
3312                         rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3313                         if((TotalRxBcnNum+TotalRxDataNum) == 0)
3314                         {
3315                                 if (priv->eRFPowerState == eRfOff)
3316                                         RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
3317                                 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
3318                                 //              Dot11d_Reset(dev);
3319                                 ieee->state = IEEE80211_ASSOCIATING;
3320                                 notify_wx_assoc_event(priv->ieee80211);
3321                                 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
3322                                 ieee->is_roaming = true;
3323                                 ieee->is_set_key = false;
3324                                 ieee->link_change(ieee);
3325                                 queue_work(ieee->wq, &ieee->associate_procedure_wq);
3326                         }
3327                 }
3328               ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
3329               ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
3330
3331         //check if reset the driver
3332         if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming && 
3333             priv->watchdog_last_time != 1)
3334         {
3335                 ResetType = rtl819x_check_reset(priv);
3336                 priv->watchdog_check_reset_cnt = 3;
3337         }
3338         if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
3339         {
3340                 priv->ResetProgress = RESET_TYPE_NORMAL;
3341                 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
3342                 return;
3343         }
3344         /* disable silent reset temply 2008.9.11*/
3345
3346         if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
3347         {
3348                 priv->watchdog_last_time = 1;
3349         }
3350         else
3351                 priv->watchdog_last_time = 0;
3352
3353         priv->force_reset = false;
3354         priv->bForcedSilentReset = false;
3355         priv->bResetInProgress = false;
3356         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3357
3358 }
3359
3360 void watch_dog_timer_callback(unsigned long data)
3361 {
3362         struct r8192_priv *priv = (struct r8192_priv *) data;
3363         queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
3364         mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
3365
3366 }
3367
3368 static int _rtl8192_up(struct r8192_priv *priv)
3369 {
3370         RT_STATUS init_status = RT_STATUS_SUCCESS;
3371         struct net_device *dev = priv->ieee80211->dev;
3372
3373         priv->up=1;
3374         priv->ieee80211->ieee_up=1;
3375         priv->bdisable_nic = false;  //YJ,add,091111
3376         RT_TRACE(COMP_INIT, "Bringing up iface\n");
3377
3378         init_status = rtl8192_adapter_start(priv);
3379         if(init_status != RT_STATUS_SUCCESS)
3380         {
3381                 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
3382                 return -1;
3383         }
3384         RT_TRACE(COMP_INIT, "start adapter finished\n");
3385
3386         if (priv->eRFPowerState != eRfOn)
3387                 MgntActSet_RF_State(priv, eRfOn, priv->RfOffReason);
3388
3389         if(priv->ieee80211->state != IEEE80211_LINKED)
3390         ieee80211_softmac_start_protocol(priv->ieee80211);
3391         ieee80211_reset_queue(priv->ieee80211);
3392         watch_dog_timer_callback((unsigned long) priv);
3393         if(!netif_queue_stopped(dev))
3394                 netif_start_queue(dev);
3395         else
3396                 netif_wake_queue(dev);
3397
3398         return 0;
3399 }
3400
3401
3402 static int rtl8192_open(struct net_device *dev)
3403 {
3404         struct r8192_priv *priv = ieee80211_priv(dev);
3405         int ret;
3406
3407         down(&priv->wx_sem);
3408         ret = rtl8192_up(dev);
3409         up(&priv->wx_sem);
3410         return ret;
3411
3412 }
3413
3414
3415 int rtl8192_up(struct net_device *dev)
3416 {
3417         struct r8192_priv *priv = ieee80211_priv(dev);
3418
3419         if (priv->up == 1) return -1;
3420
3421         return _rtl8192_up(priv);
3422 }
3423
3424
3425 static int rtl8192_close(struct net_device *dev)
3426 {
3427         struct r8192_priv *priv = ieee80211_priv(dev);
3428         int ret;
3429
3430         down(&priv->wx_sem);
3431
3432         ret = rtl8192_down(dev);
3433
3434         up(&priv->wx_sem);
3435
3436         return ret;
3437
3438 }
3439
3440 int rtl8192_down(struct net_device *dev)
3441 {
3442         struct r8192_priv *priv = ieee80211_priv(dev);
3443
3444         if (priv->up == 0) return -1;
3445
3446 #ifdef ENABLE_LPS
3447         //LZM for PS-Poll AID issue. 090429
3448         if(priv->ieee80211->state == IEEE80211_LINKED)
3449                 LeisurePSLeave(priv->ieee80211);
3450 #endif
3451
3452         priv->up=0;
3453         priv->ieee80211->ieee_up = 0;
3454         RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
3455 /* FIXME */
3456         if (!netif_queue_stopped(dev))
3457                 netif_stop_queue(dev);
3458
3459         rtl8192_irq_disable(priv);
3460         rtl8192_cancel_deferred_work(priv);
3461         deinit_hal_dm(dev);
3462         del_timer_sync(&priv->watch_dog_timer);
3463
3464         ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3465
3466         rtl8192_halt_adapter(priv, false);
3467         memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
3468
3469         RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
3470
3471         return 0;
3472 }
3473
3474
3475 void rtl8192_commit(struct r8192_priv *priv)
3476 {
3477         if (priv->up == 0) return ;
3478
3479
3480         ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3481
3482         rtl8192_irq_disable(priv);
3483         rtl8192_halt_adapter(priv, true);
3484         _rtl8192_up(priv);
3485 }
3486
3487 static void rtl8192_restart(struct work_struct *work)
3488 {
3489         struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
3490
3491         down(&priv->wx_sem);
3492
3493         rtl8192_commit(priv);
3494
3495         up(&priv->wx_sem);
3496 }
3497
3498 static void r8192_set_multicast(struct net_device *dev)
3499 {
3500         struct r8192_priv *priv = ieee80211_priv(dev);
3501
3502         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3503 }
3504
3505
3506 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3507 {
3508         struct r8192_priv *priv = ieee80211_priv(dev);
3509         struct sockaddr *addr = mac;
3510
3511         down(&priv->wx_sem);
3512
3513         memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
3514
3515         schedule_work(&priv->reset_wq);
3516         up(&priv->wx_sem);
3517
3518         return 0;
3519 }
3520
3521 static void r8192e_set_hw_key(struct r8192_priv *priv, struct ieee_param *ipw)
3522 {
3523         struct ieee80211_device *ieee = priv->ieee80211;
3524         u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
3525         u32 key[4];
3526
3527         if (ipw->u.crypt.set_tx) {
3528                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3529                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3530                 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3531                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3532                 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3533                         if (ipw->u.crypt.key_len == 13)
3534                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3535                         else if (ipw->u.crypt.key_len == 5)
3536                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3537                 } else
3538                         ieee->pairwise_key_type = KEY_TYPE_NA;
3539
3540                 if (ieee->pairwise_key_type) {
3541                         memcpy(key, ipw->u.crypt.key, 16);
3542                         EnableHWSecurityConfig8192(priv);
3543                         /*
3544                          * We fill both index entry and 4th entry for pairwise
3545                          * key as in IPW interface, adhoc will only get here,
3546                          * so we need index entry for its default key serching!
3547                          */
3548                         setKey(priv, 4, ipw->u.crypt.idx,
3549                                ieee->pairwise_key_type,
3550                                (u8*)ieee->ap_mac_addr, 0, key);
3551
3552                         /* LEAP WEP will never set this. */
3553                         if (ieee->auth_mode != 2)
3554                                 setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx,
3555                                        ieee->pairwise_key_type,
3556                                        (u8*)ieee->ap_mac_addr, 0, key);
3557                 }
3558                 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
3559                     ieee->pHTInfo->bCurrentHTSupport) {
3560                         write_nic_byte(priv, 0x173, 1); /* fix aes bug */
3561                 }
3562         } else {
3563                 memcpy(key, ipw->u.crypt.key, 16);
3564                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3565                         ieee->group_key_type= KEY_TYPE_CCMP;
3566                 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3567                         ieee->group_key_type = KEY_TYPE_TKIP;
3568                 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3569                         if (ipw->u.crypt.key_len == 13)
3570                                 ieee->group_key_type = KEY_TYPE_WEP104;
3571                         else if (ipw->u.crypt.key_len == 5)
3572                                 ieee->group_key_type = KEY_TYPE_WEP40;
3573                 } else
3574                         ieee->group_key_type = KEY_TYPE_NA;
3575
3576                 if (ieee->group_key_type) {
3577                         setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx,
3578                                ieee->group_key_type, broadcast_addr, 0, key);
3579                 }
3580         }
3581 }
3582
3583 /* based on ipw2200 driver */
3584 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3585 {
3586         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3587         struct iwreq *wrq = (struct iwreq *)rq;
3588         int ret=-1;
3589         struct iw_point *p = &wrq->u.data;
3590         struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
3591
3592         down(&priv->wx_sem);
3593
3594
3595      if (p->length < sizeof(struct ieee_param) || !p->pointer){
3596              ret = -EINVAL;
3597              goto out;
3598      }
3599
3600      ipw = kmalloc(p->length, GFP_KERNEL);
3601      if (ipw == NULL){
3602              ret = -ENOMEM;
3603              goto out;
3604      }
3605      if (copy_from_user(ipw, p->pointer, p->length)) {
3606             kfree(ipw);
3607             ret = -EFAULT;
3608             goto out;
3609      }
3610
3611         switch (cmd) {
3612         case RTL_IOCTL_WPA_SUPPLICANT:
3613                 /* parse here for HW security */
3614                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
3615                         r8192e_set_hw_key(priv, ipw);
3616                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
3617                 break;
3618
3619         default:
3620                 ret = -EOPNOTSUPP;
3621                 break;
3622         }
3623
3624         kfree(ipw);
3625 out:
3626         up(&priv->wx_sem);
3627
3628         return ret;
3629 }
3630
3631 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3632 {
3633         u8  ret_rate = 0x02;
3634
3635         if(!bIsHT) {
3636                 switch(rate) {
3637                         case DESC90_RATE1M:   ret_rate = MGN_1M;         break;
3638                         case DESC90_RATE2M:   ret_rate = MGN_2M;         break;
3639                         case DESC90_RATE5_5M: ret_rate = MGN_5_5M;       break;
3640                         case DESC90_RATE11M:  ret_rate = MGN_11M;        break;
3641                         case DESC90_RATE6M:   ret_rate = MGN_6M;         break;
3642                         case DESC90_RATE9M:   ret_rate = MGN_9M;         break;
3643                         case DESC90_RATE12M:  ret_rate = MGN_12M;        break;
3644                         case DESC90_RATE18M:  ret_rate = MGN_18M;        break;
3645                         case DESC90_RATE24M:  ret_rate = MGN_24M;        break;
3646                         case DESC90_RATE36M:  ret_rate = MGN_36M;        break;
3647                         case DESC90_RATE48M:  ret_rate = MGN_48M;        break;
3648                         case DESC90_RATE54M:  ret_rate = MGN_54M;        break;
3649
3650                         default:
3651                                               RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
3652                                               break;
3653                 }
3654
3655         } else {
3656                 switch(rate) {
3657                         case DESC90_RATEMCS0:   ret_rate = MGN_MCS0;    break;
3658                         case DESC90_RATEMCS1:   ret_rate = MGN_MCS1;    break;
3659                         case DESC90_RATEMCS2:   ret_rate = MGN_MCS2;    break;
3660                         case DESC90_RATEMCS3:   ret_rate = MGN_MCS3;    break;
3661                         case DESC90_RATEMCS4:   ret_rate = MGN_MCS4;    break;
3662                         case DESC90_RATEMCS5:   ret_rate = MGN_MCS5;    break;
3663                         case DESC90_RATEMCS6:   ret_rate = MGN_MCS6;    break;
3664                         case DESC90_RATEMCS7:   ret_rate = MGN_MCS7;    break;
3665                         case DESC90_RATEMCS8:   ret_rate = MGN_MCS8;    break;
3666                         case DESC90_RATEMCS9:   ret_rate = MGN_MCS9;    break;
3667                         case DESC90_RATEMCS10:  ret_rate = MGN_MCS10;   break;
3668                         case DESC90_RATEMCS11:  ret_rate = MGN_MCS11;   break;
3669                         case DESC90_RATEMCS12:  ret_rate = MGN_MCS12;   break;
3670                         case DESC90_RATEMCS13:  ret_rate = MGN_MCS13;   break;
3671                         case DESC90_RATEMCS14:  ret_rate = MGN_MCS14;   break;
3672                         case DESC90_RATEMCS15:  ret_rate = MGN_MCS15;   break;
3673                         case DESC90_RATEMCS32:  ret_rate = (0x80|0x20); break;
3674
3675                         default:
3676                                                 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
3677                                                 break;
3678                 }
3679         }
3680
3681         return ret_rate;
3682 }
3683
3684 /* Record the TSF time stamp when receiving a packet */
3685 static void UpdateRxPktTimeStamp8190(struct r8192_priv *priv, struct ieee80211_rx_stats *stats)
3686 {
3687
3688         if(stats->bIsAMPDU && !stats->bFirstMPDU) {
3689                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3690                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3691         } else {
3692                 priv->LastRxDescTSFLow = stats->mac_time[0];
3693                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3694         }
3695 }
3696
3697 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
3698 {
3699         long    signal_power; // in dBm.
3700
3701         // Translate to dBm (x=0.5y-95).
3702         signal_power = (long)((signal_strength_index + 1) >> 1);
3703         signal_power -= 95;
3704
3705         return signal_power;
3706 }
3707
3708 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
3709         be a local static. Otherwise, it may increase when we return from S3/S4. The
3710         value will be kept in memory or disk. We must delcare the value in adapter
3711         and it will be reinitialized when return from S3/S4. */
3712 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
3713 {
3714         bool bcheck = false;
3715         u8      rfpath;
3716         u32 nspatial_stream, tmp_val;
3717         static u32 slide_rssi_index=0, slide_rssi_statistics=0;
3718         static u32 slide_evm_index=0, slide_evm_statistics=0;
3719         static u32 last_rssi=0, last_evm=0;
3720         //cosa add for beacon rssi smoothing
3721         static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
3722         static u32 last_beacon_adc_pwdb=0;
3723
3724         struct ieee80211_hdr_3addr *hdr;
3725         u16 sc ;
3726         unsigned int frag,seq;
3727         hdr = (struct ieee80211_hdr_3addr *)buffer;
3728         sc = le16_to_cpu(hdr->seq_ctl);
3729         frag = WLAN_GET_SEQ_FRAG(sc);
3730         seq = WLAN_GET_SEQ_SEQ(sc);
3731
3732         //
3733         // Check whether we should take the previous packet into accounting
3734         //
3735         if(!pprevious_stats->bIsAMPDU)
3736         {
3737                 // if previous packet is not aggregated packet
3738                 bcheck = true;
3739         }
3740
3741         if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
3742         {
3743                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3744                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3745                 priv->stats.slide_rssi_total -= last_rssi;
3746         }
3747         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3748
3749         priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
3750         if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3751                 slide_rssi_index = 0;
3752
3753         // <1> Showed on UI for user, in dbm
3754         tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
3755         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3756         pcurrent_stats->rssi = priv->stats.signal_strength;
3757         //
3758         // If the previous packet does not match the criteria, neglect it
3759         //
3760         if(!pprevious_stats->bPacketMatchBSSID)
3761         {
3762                 if(!pprevious_stats->bToSelfBA)
3763                         return;
3764         }
3765
3766         if(!bcheck)
3767                 return;
3768
3769         // <2> Showed on UI for engineering
3770         // hardware does not provide rssi information for each rf path in CCK
3771         if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
3772         {
3773                 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
3774                 {
3775                         if (!rtl8192_phy_CheckIsLegalRFPath(priv, rfpath))
3776                                 continue;
3777                         RT_TRACE(COMP_DBG, "pPreviousstats->RxMIMOSignalStrength[rfpath] = %d\n", pprevious_stats->RxMIMOSignalStrength[rfpath]);
3778                         //Fixed by Jacken 2008-03-20
3779                         if(priv->stats.rx_rssi_percentage[rfpath] == 0)
3780                         {
3781                                 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
3782                         }
3783                         if(pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath])
3784                         {
3785                                 priv->stats.rx_rssi_percentage[rfpath] =
3786                                         ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3787                                         (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3788                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
3789                         }
3790                         else
3791                         {
3792                                 priv->stats.rx_rssi_percentage[rfpath] =
3793                                         ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3794                                         (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3795                         }
3796                         RT_TRACE(COMP_DBG, "priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" , priv->stats.rx_rssi_percentage[rfpath]);
3797                 }
3798         }
3799
3800
3801         //
3802         // Check PWDB.
3803         //
3804         //cosa add for beacon rssi smoothing by average.
3805         if(pprevious_stats->bPacketBeacon)
3806         {
3807                 /* record the beacon pwdb to the sliding window. */
3808                 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3809                 {
3810                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
3811                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
3812                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
3813                         //      slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
3814                 }
3815                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
3816                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
3817                 slide_beacon_adc_pwdb_index++;
3818                 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3819                         slide_beacon_adc_pwdb_index = 0;
3820                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
3821                 if(pprevious_stats->RxPWDBAll >= 3)
3822                         pprevious_stats->RxPWDBAll -= 3;
3823         }
3824
3825         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3826                                 pprevious_stats->bIsCCK? "CCK": "OFDM",
3827                                 pprevious_stats->RxPWDBAll);
3828
3829         if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3830         {
3831                 if(priv->undecorated_smoothed_pwdb < 0) // initialize
3832                 {
3833                         priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
3834                 }
3835
3836                 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
3837                 {
3838                         priv->undecorated_smoothed_pwdb =
3839                                         ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3840                                         (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3841                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
3842                 }
3843                 else
3844                 {
3845                         priv->undecorated_smoothed_pwdb =
3846                                         ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3847                                         (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3848                 }
3849         }
3850
3851         //
3852         // Check EVM
3853         //
3854         /* record the general EVM to the sliding window. */
3855         if(pprevious_stats->SignalQuality == 0)
3856         {
3857         }
3858         else
3859         {
3860                 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
3861                         if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
3862                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
3863                                 last_evm = priv->stats.slide_evm[slide_evm_index];
3864                                 priv->stats.slide_evm_total -= last_evm;
3865                         }
3866
3867                         priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
3868
3869                         priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
3870                         if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
3871                                 slide_evm_index = 0;
3872
3873                         // <1> Showed on UI for user, in percentage.
3874                         tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
3875                         //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
3876                 }
3877
3878                 // <2> Showed on UI for engineering
3879                 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3880                 {
3881                         for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
3882                         {
3883                                 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
3884                                 {
3885                                         if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
3886                                         {
3887                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
3888                                         }
3889                                         priv->stats.rx_evm_percentage[nspatial_stream] =
3890                                                 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
3891                                                 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
3892                                 }
3893                         }
3894                 }
3895         }
3896
3897 }
3898
3899 static u8 rtl819x_query_rxpwrpercentage(
3900         char            antpower
3901         )
3902 {
3903         if ((antpower <= -100) || (antpower >= 20))
3904         {
3905                 return  0;
3906         }
3907         else if (antpower >= 0)
3908         {
3909                 return  100;
3910         }
3911         else
3912         {
3913                 return  (100+antpower);
3914         }
3915
3916 }
3917
3918 static u8
3919 rtl819x_evm_dbtopercentage(
3920         char value
3921         )
3922 {
3923         char ret_val;
3924
3925         ret_val = value;
3926
3927         if(ret_val >= 0)
3928                 ret_val = 0;
3929         if(ret_val <= -33)
3930                 ret_val = -33;
3931         ret_val = 0 - ret_val;
3932         ret_val*=3;
3933         if(ret_val == 99)
3934                 ret_val = 100;
3935         return ret_val;
3936 }
3937
3938 /* We want good-looking for signal strength/quality */
3939 static long rtl819x_signal_scale_mapping(long currsig)
3940 {
3941         long retsig;
3942
3943         // Step 1. Scale mapping.
3944         if(currsig >= 61 && currsig <= 100)
3945         {
3946                 retsig = 90 + ((currsig - 60) / 4);
3947         }
3948         else if(currsig >= 41 && currsig <= 60)
3949         {
3950                 retsig = 78 + ((currsig - 40) / 2);
3951         }
3952         else if(currsig >= 31 && currsig <= 40)
3953         {
3954                 retsig = 66 + (currsig - 30);
3955         }
3956         else if(currsig >= 21 && currsig <= 30)
3957         {
3958                 retsig = 54 + (currsig - 20);
3959         }
3960         else if(currsig >= 5 && currsig <= 20)
3961         {
3962                 retsig = 42 + (((currsig - 5) * 2) / 3);
3963         }
3964         else if(currsig == 4)
3965         {
3966                 retsig = 36;
3967         }
3968         else if(currsig == 3)
3969         {
3970                 retsig = 27;
3971         }
3972         else if(currsig == 2)
3973         {
3974                 retsig = 18;
3975         }
3976         else if(currsig == 1)
3977         {
3978                 retsig = 9;
3979         }
3980         else
3981         {
3982                 retsig = currsig;
3983         }
3984
3985         return retsig;
3986 }
3987
3988 static void rtl8192_query_rxphystatus(
3989         struct r8192_priv * priv,
3990         struct ieee80211_rx_stats * pstats,
3991         prx_desc_819x_pci  pdesc,
3992         prx_fwinfo_819x_pci   pdrvinfo,
3993         struct ieee80211_rx_stats * precord_stats,
3994         bool bpacket_match_bssid,
3995         bool bpacket_toself,
3996         bool bPacketBeacon,
3997         bool bToSelfBA
3998         )
3999 {
4000         //PRT_RFD_STATUS                pRtRfdStatus = &(pRfd->Status);
4001         phy_sts_ofdm_819xpci_t* pofdm_buf;
4002         phy_sts_cck_819xpci_t   *       pcck_buf;
4003         phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
4004         u8                              *prxpkt;
4005         u8                              i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4006         char                            rx_pwr[4], rx_pwr_all=0;
4007         //long                          rx_avg_pwr = 0;
4008         char                            rx_snrX, rx_evmX;
4009         u8                              evm, pwdb_all;
4010         u32                     RSSI, total_rssi=0;//, total_evm=0;
4011 //      long                            signal_strength_index = 0;
4012         u8                              is_cck_rate=0;
4013         u8                              rf_rx_num = 0;
4014
4015         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4016
4017         // Record it for next packet processing
4018         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4019         pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4020         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4021         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
4022         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4023         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4024         /*2007.08.30 requested by SD3 Jerry */
4025         if (priv->phy_check_reg824 == 0)
4026         {
4027                 priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv, rFPGA0_XA_HSSIParameter2, 0x200);
4028                 priv->phy_check_reg824 = 1;
4029         }
4030
4031
4032         prxpkt = (u8*)pdrvinfo;
4033
4034         /* Move pointer to the 16th bytes. Phy status start address. */
4035         prxpkt += sizeof(rx_fwinfo_819x_pci);
4036
4037         /* Initial the cck and ofdm buffer pointer */
4038         pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
4039         pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
4040
4041         pstats->RxMIMOSignalQuality[0] = -1;
4042         pstats->RxMIMOSignalQuality[1] = -1;
4043         precord_stats->RxMIMOSignalQuality[0] = -1;
4044         precord_stats->RxMIMOSignalQuality[1] = -1;
4045
4046         if(is_cck_rate)
4047         {
4048                 //
4049                 // (1)Hardware does not provide RSSI for CCK
4050                 //
4051
4052                 //
4053                 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4054                 //
4055                 u8 report;//, cck_agc_rpt;
4056
4057                 if (!priv->phy_reg824_bit9)
4058                 {
4059                         report = pcck_buf->cck_agc_rpt & 0xc0;
4060                         report = report>>6;
4061                         switch(report)
4062                         {
4063                                 //Fixed by Jacken from Bryant 2008-03-20
4064                                 //Original value is -38 , -26 , -14 , -2
4065                                 //Fixed value is -35 , -23 , -11 , 6
4066                                 case 0x3:
4067                                         rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4068                                         break;
4069                                 case 0x2:
4070                                         rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4071                                         break;
4072                                 case 0x1:
4073                                         rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4074                                         break;
4075                                 case 0x0:
4076                                         rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
4077                                         break;
4078                         }
4079                 }
4080                 else
4081                 {
4082                         report = pcck_buf->cck_agc_rpt & 0x60;
4083                         report = report>>5;
4084                         switch(report)
4085                         {
4086                                 case 0x3:
4087                                         rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4088                                         break;
4089                                 case 0x2:
4090                                         rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4091                                         break;
4092                                 case 0x1:
4093                                         rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4094                                         break;
4095                                 case 0x0:
4096                                         rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4097                                         break;
4098                         }
4099                 }
4100
4101                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4102                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4103                 pstats->RecvSignalPower = rx_pwr_all;
4104
4105                 //
4106                 // (3) Get Signal Quality (EVM)
4107                 //
4108                 if(bpacket_match_bssid)
4109                 {
4110                         u8      sq;
4111
4112                         if(pstats->RxPWDBAll > 40)
4113                         {
4114                                 sq = 100;
4115                         }else
4116                         {
4117                                 sq = pcck_buf->sq_rpt;
4118
4119                                 if(pcck_buf->sq_rpt > 64)
4120                                         sq = 0;
4121                                 else if (pcck_buf->sq_rpt < 20)
4122                                         sq = 100;
4123                                 else
4124                                         sq = ((64-sq) * 100) / 44;
4125                         }
4126                         pstats->SignalQuality = precord_stats->SignalQuality = sq;
4127                         pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
4128                         pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
4129                 }
4130         }
4131         else
4132         {
4133                 //
4134                 // (1)Get RSSI for HT rate
4135                 //
4136                 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4137                 {
4138                         // 2008/01/30 MH we will judge RF RX path now.
4139                         if (priv->brfpath_rxenable[i])
4140                                 rf_rx_num++;
4141                         //else
4142                                 //continue;
4143
4144                         //Fixed by Jacken from Bryant 2008-03-20
4145                         //Original value is 106
4146                         rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
4147
4148                         //Get Rx snr value in DB
4149                         tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4150                         rx_snrX = (char)(tmp_rxsnr);
4151                         rx_snrX /= 2;
4152
4153                         /* Translate DBM to percentage. */
4154                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4155                         if (priv->brfpath_rxenable[i])
4156                                 total_rssi += RSSI;
4157
4158                         /* Record Signal Strength for next packet */
4159                         if(bpacket_match_bssid)
4160                         {
4161                                 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
4162                                 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
4163                         }
4164                 }
4165
4166
4167                 //
4168                 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4169                 //
4170                 //Fixed by Jacken from Bryant 2008-03-20
4171                 //Original value is 106
4172                 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
4173                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4174
4175                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4176                 pstats->RxPower = precord_stats->RxPower =      rx_pwr_all;
4177                 pstats->RecvSignalPower = rx_pwr_all;
4178                 //
4179                 // (3)EVM of HT rate
4180                 //
4181                 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
4182                         pdrvinfo->RxRate<=DESC90_RATEMCS15)
4183                         max_spatial_stream = 2; //both spatial stream make sense
4184                 else
4185                         max_spatial_stream = 1; //only spatial stream 1 makes sense
4186
4187                 for(i=0; i<max_spatial_stream; i++)
4188                 {
4189                         tmp_rxevm = pofdm_buf->rxevm_X[i];
4190                         rx_evmX = (char)(tmp_rxevm);
4191
4192                         // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
4193                         // fill most significant bit to "zero" when doing shifting operation which may change a negative
4194                         // value to positive one, then the dbm value (which is supposed to be negative)  is not correct anymore.
4195                         rx_evmX /= 2;   //dbm
4196
4197                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4198                         if(bpacket_match_bssid)
4199                         {
4200                                 if(i==0) // Fill value in RFD, Get the first spatial stream only
4201                                         pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
4202                                 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
4203                         }
4204                 }
4205
4206
4207                 /* record rx statistics for debug */
4208                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4209                 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
4210         }
4211
4212         //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
4213         //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
4214         if(is_cck_rate)
4215         {
4216                 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
4217
4218         }
4219         else
4220         {
4221                 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
4222                 // We can judge RX path number now.
4223                 if (rf_rx_num != 0)
4224                         pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
4225         }
4226 }
4227
4228 static void
4229 rtl8192_record_rxdesc_forlateruse(
4230         struct ieee80211_rx_stats * psrc_stats,
4231         struct ieee80211_rx_stats * ptarget_stats
4232 )
4233 {
4234         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4235         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4236 }
4237
4238
4239
4240 static void TranslateRxSignalStuff819xpci(struct r8192_priv *priv,
4241         struct sk_buff *skb,
4242         struct ieee80211_rx_stats * pstats,
4243         prx_desc_819x_pci pdesc,
4244         prx_fwinfo_819x_pci pdrvinfo)
4245 {
4246     // TODO: We must only check packet for current MAC address. Not finish
4247     bool bpacket_match_bssid, bpacket_toself;
4248     bool bPacketBeacon=false, bToSelfBA=false;
4249     struct ieee80211_hdr_3addr *hdr;
4250     u16 fc,type;
4251
4252     // Get Signal Quality for only RX data queue (but not command queue)
4253
4254     u8* tmp_buf;
4255     u8  *praddr;
4256
4257     /* Get MAC frame start address. */
4258     tmp_buf = skb->data;
4259
4260     hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
4261     fc = le16_to_cpu(hdr->frame_ctl);
4262     type = WLAN_FC_GET_TYPE(fc);
4263     praddr = hdr->addr1;
4264
4265     /* Check if the received packet is acceptabe. */
4266     bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
4267             (!compare_ether_addr(priv->ieee80211->current_network.bssid,        (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
4268             && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
4269     bpacket_toself =  bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr));
4270
4271     if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
4272     {
4273         bPacketBeacon = true;
4274     }
4275     if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
4276     {
4277         if (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr))
4278             bToSelfBA = true;
4279     }
4280
4281     //
4282     // Process PHY information for previous packet (RSSI/PWDB/EVM)
4283     //
4284     // Because phy information is contained in the last packet of AMPDU only, so driver
4285     // should process phy information of previous packet
4286     rtl8192_process_phyinfo(priv, tmp_buf, &priv->previous_stats, pstats);
4287     rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid,
4288             bpacket_toself ,bPacketBeacon, bToSelfBA);
4289     rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats);
4290
4291 }
4292
4293
4294 static void rtl8192_tx_resume(struct r8192_priv *priv)
4295 {
4296         struct ieee80211_device *ieee = priv->ieee80211;
4297         struct net_device *dev = priv->ieee80211->dev;
4298         struct sk_buff *skb;
4299         int i;
4300
4301         for (i = BK_QUEUE; i < TXCMD_QUEUE; i++) {
4302                 while ((!skb_queue_empty(&ieee->skb_waitQ[i])) &&
4303                        (priv->ieee80211->check_nic_enough_desc(dev, i) > 0)) {
4304                         /* 1. dequeue the packet from the wait queue */
4305                         skb = skb_dequeue(&ieee->skb_waitQ[i]);
4306                         /* 2. tx the packet directly */
4307                         ieee->softmac_data_hard_start_xmit(skb, ieee, 0);
4308                 }
4309         }
4310 }
4311
4312 static void rtl8192_irq_tx_tasklet(unsigned long arg)
4313 {
4314         struct r8192_priv *priv = (struct r8192_priv*) arg;
4315         struct rtl8192_tx_ring *mgnt_ring = &priv->tx_ring[MGNT_QUEUE];
4316         struct net_device *dev = priv->ieee80211->dev;
4317         unsigned long flags;
4318
4319         /* check if we need to report that the management queue is drained */
4320         spin_lock_irqsave(&priv->irq_th_lock, flags);
4321
4322         if (!skb_queue_len(&mgnt_ring->queue) &&
4323             priv->ieee80211->ack_tx_to_ieee &&
4324             rtl8192_is_tx_queue_empty(dev)) {
4325                 priv->ieee80211->ack_tx_to_ieee = 0;
4326                 ieee80211_ps_tx_ack(priv->ieee80211, 1);
4327         }
4328
4329         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4330
4331         rtl8192_tx_resume(priv);
4332 }
4333
4334 /* Record the received data rate */
4335 static void UpdateReceivedRateHistogramStatistics8190(
4336         struct r8192_priv *priv,
4337         struct ieee80211_rx_stats* pstats
4338         )
4339 {
4340         u32 rcvType=1;   //0: Total, 1:OK, 2:CRC, 3:ICV
4341         u32 rateIndex;
4342         u32 preamble_guardinterval;  //1: short preamble/GI, 0: long preamble/GI
4343
4344         if(pstats->bCRC)
4345                 rcvType = 2;
4346         else if(pstats->bICV)
4347                 rcvType = 3;
4348
4349         if(pstats->bShortPreamble)
4350                 preamble_guardinterval = 1;// short
4351         else
4352                 preamble_guardinterval = 0;// long
4353
4354         switch(pstats->rate)
4355         {
4356                 //
4357                 // CCK rate
4358                 //
4359                 case MGN_1M:    rateIndex = 0;  break;
4360                 case MGN_2M:    rateIndex = 1;  break;
4361                 case MGN_5_5M:  rateIndex = 2;  break;
4362                 case MGN_11M:   rateIndex = 3;  break;
4363                 //
4364                 // Legacy OFDM rate
4365                 //
4366                 case MGN_6M:    rateIndex = 4;  break;
4367                 case MGN_9M:    rateIndex = 5;  break;
4368                 case MGN_12M:   rateIndex = 6;  break;
4369                 case MGN_18M:   rateIndex = 7;  break;
4370                 case MGN_24M:   rateIndex = 8;  break;
4371                 case MGN_36M:   rateIndex = 9;  break;
4372                 case MGN_48M:   rateIndex = 10; break;
4373                 case MGN_54M:   rateIndex = 11; break;
4374                 //
4375                 // 11n High throughput rate
4376                 //
4377                 case MGN_MCS0:  rateIndex = 12; break;
4378                 case MGN_MCS1:  rateIndex = 13; break;
4379                 case MGN_MCS2:  rateIndex = 14; break;
4380                 case MGN_MCS3:  rateIndex = 15; break;
4381                 case MGN_MCS4:  rateIndex = 16; break;
4382                 case MGN_MCS5:  rateIndex = 17; break;
4383                 case MGN_MCS6:  rateIndex = 18; break;
4384                 case MGN_MCS7:  rateIndex = 19; break;
4385                 case MGN_MCS8:  rateIndex = 20; break;
4386                 case MGN_MCS9:  rateIndex = 21; break;
4387                 case MGN_MCS10: rateIndex = 22; break;
4388                 case MGN_MCS11: rateIndex = 23; break;
4389                 case MGN_MCS12: rateIndex = 24; break;
4390                 case MGN_MCS13: rateIndex = 25; break;
4391                 case MGN_MCS14: rateIndex = 26; break;
4392                 case MGN_MCS15: rateIndex = 27; break;
4393                 default:        rateIndex = 28; break;
4394         }
4395         priv->stats.received_rate_histogram[0][rateIndex]++; //total
4396         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4397 }
4398
4399 static void rtl8192_rx(struct r8192_priv *priv)
4400 {
4401     struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
4402     bool unicast_packet = false;
4403     struct ieee80211_rx_stats stats = {
4404         .signal = 0,
4405         .noise = -98,
4406         .rate = 0,
4407         .freq = IEEE80211_24GHZ_BAND,
4408     };
4409     unsigned int count = priv->rxringcount;
4410     prx_fwinfo_819x_pci pDrvInfo = NULL;
4411     struct sk_buff *new_skb;
4412
4413     while (count--) {
4414         rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
4415         struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
4416
4417         if (pdesc->OWN)
4418             /* wait data to be filled by hardware */
4419             return;
4420
4421             stats.bICV = pdesc->ICV;
4422             stats.bCRC = pdesc->CRC32;
4423             stats.bHwError = pdesc->CRC32 | pdesc->ICV;
4424
4425             stats.Length = pdesc->Length;
4426             if(stats.Length < 24)
4427                 stats.bHwError |= 1;
4428
4429             if(stats.bHwError) {
4430                 stats.bShift = false;
4431                 goto done;
4432             }
4433                 pDrvInfo = NULL;
4434                 new_skb = dev_alloc_skb(priv->rxbuffersize);
4435
4436                 if (unlikely(!new_skb))
4437                     goto done;
4438
4439                 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
4440                 stats.RxBufShift = ((pdesc->Shift)&0x03);
4441                 stats.Decrypted = !pdesc->SWDec;
4442
4443                 pci_dma_sync_single_for_cpu(priv->pdev,
4444                      *((dma_addr_t *)skb->cb),
4445                      priv->rxbuffersize,
4446                      PCI_DMA_FROMDEVICE);
4447                 skb_put(skb, pdesc->Length);
4448                 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
4449                 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
4450
4451                 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
4452                 stats.bShortPreamble = pDrvInfo->SPLCP;
4453
4454                 /* it is debug only. It should be disabled in released driver.
4455                  * 2007.1.11 by Emily
4456                  * */
4457                 UpdateReceivedRateHistogramStatistics8190(priv, &stats);
4458
4459                 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
4460                 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
4461
4462                 stats.TimeStampLow = pDrvInfo->TSFL;
4463                 stats.TimeStampHigh = read_nic_dword(priv, TSFR+4);
4464
4465                 UpdateRxPktTimeStamp8190(priv, &stats);
4466
4467                 //
4468                 // Get Total offset of MPDU Frame Body
4469                 //
4470                 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
4471                     stats.bShift = 1;
4472
4473                 /* ???? */
4474                 TranslateRxSignalStuff819xpci(priv, skb, &stats, pdesc, pDrvInfo);
4475
4476                 /* Rx A-MPDU */
4477                 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
4478                     RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
4479                             pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
4480                    skb_trim(skb, skb->len - 4/*sCrcLng*/);
4481                 /* rx packets statistics */
4482                 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
4483                 unicast_packet = false;
4484
4485                 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4486                     //TODO
4487                 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
4488                     //TODO
4489                 }else {
4490                     /* unicast packet */
4491                     unicast_packet = true;
4492                 }
4493
4494                 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
4495                     dev_kfree_skb_any(skb);
4496                 } else {
4497                     priv->stats.rxok++;
4498                     if(unicast_packet) {
4499                         priv->stats.rxbytesunicast += skb->len;
4500                     }
4501                 }
4502
4503                 pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb),
4504                         priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4505
4506                 skb = new_skb;
4507                 priv->rx_buf[priv->rx_idx] = skb;
4508                 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4509
4510 done:
4511         pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
4512         pdesc->OWN = 1;
4513         pdesc->Length = priv->rxbuffersize;
4514         if (priv->rx_idx == priv->rxringcount-1)
4515             pdesc->EOR = 1;
4516         priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
4517     }
4518
4519 }
4520
4521 static void rtl8192_irq_rx_tasklet(unsigned long arg)
4522 {
4523         struct r8192_priv *priv = (struct r8192_priv*) arg;
4524         rtl8192_rx(priv);
4525         /* unmask RDU */
4526        write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) | IMR_RDU);
4527 }
4528
4529 static const struct net_device_ops rtl8192_netdev_ops = {
4530         .ndo_open =                     rtl8192_open,
4531         .ndo_stop =                     rtl8192_close,
4532         .ndo_tx_timeout =               tx_timeout,
4533         .ndo_do_ioctl =                 rtl8192_ioctl,
4534         .ndo_set_multicast_list =       r8192_set_multicast,
4535         .ndo_set_mac_address =          r8192_set_mac_adr,
4536         .ndo_start_xmit =               ieee80211_rtl_xmit,
4537 };
4538
4539 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
4540                          const struct pci_device_id *id)
4541 {
4542         struct net_device *dev = NULL;
4543         struct r8192_priv *priv= NULL;
4544         u8 unit = 0;
4545         int ret = -ENODEV;
4546         unsigned long pmem_start, pmem_len, pmem_flags;
4547
4548         RT_TRACE(COMP_INIT,"Configuring chip resources\n");
4549
4550         if( pci_enable_device (pdev) ){
4551                 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
4552                 return -EIO;
4553         }
4554
4555         pci_set_master(pdev);
4556         //pci_set_wmi(pdev);
4557         pci_set_dma_mask(pdev, 0xffffff00ULL);
4558         pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
4559         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4560         if (!dev) {
4561                 ret = -ENOMEM;
4562                 goto fail_free;
4563         }
4564
4565         pci_set_drvdata(pdev, dev);
4566         SET_NETDEV_DEV(dev, &pdev->dev);
4567         priv = ieee80211_priv(dev);
4568         priv->ieee80211 = netdev_priv(dev);
4569         priv->pdev=pdev;
4570         if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
4571                 priv->ieee80211->bSupportRemoteWakeUp = 1;
4572         } else
4573         {
4574                 priv->ieee80211->bSupportRemoteWakeUp = 0;
4575         }
4576
4577         pmem_start = pci_resource_start(pdev, 1);
4578         pmem_len = pci_resource_len(pdev, 1);
4579         pmem_flags = pci_resource_flags (pdev, 1);
4580
4581         if (!(pmem_flags & IORESOURCE_MEM)) {
4582                 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting\n");
4583                 goto fail;
4584         }
4585
4586         //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
4587         if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
4588                 RT_TRACE(COMP_ERR,"request_mem_region failed!\n");
4589                 goto fail;
4590         }
4591
4592         priv->mem_start = ioremap_nocache(pmem_start, pmem_len);
4593         if (!priv->mem_start) {
4594                 RT_TRACE(COMP_ERR,"ioremap failed!\n");
4595                 goto fail1;
4596         }
4597
4598         dev->mem_start = (unsigned long) priv->mem_start;
4599         dev->mem_end = (unsigned long) (priv->mem_start +
4600                                         pci_resource_len(pdev, 0));
4601
4602         /* We disable the RETRY_TIMEOUT register (0x41) to keep
4603          * PCI Tx retries from interfering with C3 CPU state */
4604          pci_write_config_byte(pdev, 0x41, 0x00);
4605
4606
4607         pci_read_config_byte(pdev, 0x05, &unit);
4608         pci_write_config_byte(pdev, 0x05, unit & (~0x04));
4609
4610         dev->irq = pdev->irq;
4611         priv->irq = 0;
4612
4613         dev->netdev_ops = &rtl8192_netdev_ops;
4614
4615         dev->wireless_handlers = &r8192_wx_handlers_def;
4616         dev->type=ARPHRD_ETHER;
4617
4618         dev->watchdog_timeo = HZ*3;
4619
4620         if (dev_alloc_name(dev, ifname) < 0){
4621                 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
4622                 strcpy(ifname, "wlan%d");
4623                 dev_alloc_name(dev, ifname);
4624         }
4625
4626         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4627         if (rtl8192_init(priv)!=0) {
4628                 RT_TRACE(COMP_ERR, "Initialization failed\n");
4629                 goto fail;
4630         }
4631
4632         register_netdev(dev);
4633         RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
4634         rtl8192_proc_init_one(priv);
4635
4636
4637         RT_TRACE(COMP_INIT, "Driver probe completed\n");
4638         return 0;
4639
4640 fail1:
4641
4642         if (priv->mem_start) {
4643                 iounmap(priv->mem_start);
4644                 release_mem_region( pci_resource_start(pdev, 1),
4645                                     pci_resource_len(pdev, 1) );
4646         }
4647
4648 fail:
4649         if(dev){
4650
4651                 if (priv->irq) {
4652                         free_irq(dev->irq, dev);
4653                         dev->irq=0;
4654                 }
4655                 free_ieee80211(dev);
4656         }
4657
4658 fail_free:
4659         pci_disable_device(pdev);
4660
4661         DMESG("wlan driver load failed\n");
4662         pci_set_drvdata(pdev, NULL);
4663         return ret;
4664
4665 }
4666
4667 /* detach all the work and timer structure declared or inititialized
4668  * in r8192_init function.
4669  * */
4670 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
4671 {
4672         /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
4673          * is  or is newer than 2.6.20 and work structure is defined to be struct work_struct.
4674          * Otherwise call cancel_delayed_work is enough.
4675          * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
4676          * */
4677         cancel_delayed_work(&priv->watch_dog_wq);
4678         cancel_delayed_work(&priv->update_beacon_wq);
4679         cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
4680         cancel_delayed_work(&priv->gpio_change_rf_wq);
4681         cancel_work_sync(&priv->reset_wq);
4682         cancel_work_sync(&priv->qos_activate);
4683 }
4684
4685
4686 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
4687 {
4688         struct net_device *dev = pci_get_drvdata(pdev);
4689         struct r8192_priv *priv ;
4690         u32 i;
4691
4692         if (dev) {
4693
4694                 unregister_netdev(dev);
4695
4696                 priv = ieee80211_priv(dev);
4697
4698                 rtl8192_proc_remove_one(priv);
4699
4700                 rtl8192_down(dev);
4701                 if (priv->pFirmware)
4702                 {
4703                         vfree(priv->pFirmware);
4704                         priv->pFirmware = NULL;
4705                 }
4706                 destroy_workqueue(priv->priv_wq);
4707
4708                 /* free tx/rx rings */
4709                 rtl8192_free_rx_ring(priv);
4710                 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
4711                         rtl8192_free_tx_ring(priv, i);
4712
4713                 if (priv->irq) {
4714                         printk("Freeing irq %d\n",dev->irq);
4715                         free_irq(dev->irq, dev);
4716                         priv->irq=0;
4717                 }
4718
4719                 if (priv->mem_start) {
4720                         iounmap(priv->mem_start);
4721                         release_mem_region( pci_resource_start(pdev, 1),
4722                                             pci_resource_len(pdev, 1) );
4723                 }
4724
4725                 free_ieee80211(dev);
4726         }
4727
4728         pci_disable_device(pdev);
4729         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
4730 }
4731
4732 extern int ieee80211_rtl_init(void);
4733 extern void ieee80211_rtl_exit(void);
4734
4735 static int __init rtl8192_pci_module_init(void)
4736 {
4737         int retval;
4738
4739         retval = ieee80211_rtl_init();
4740         if (retval)
4741                 return retval;
4742
4743         printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
4744         printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
4745         RT_TRACE(COMP_INIT, "Initializing module\n");
4746         rtl8192_proc_module_init();
4747       if(0!=pci_register_driver(&rtl8192_pci_driver))
4748         {
4749                 DMESG("No device found");
4750                 /*pci_unregister_driver (&rtl8192_pci_driver);*/
4751                 return -ENODEV;
4752         }
4753         return 0;
4754 }
4755
4756
4757 static void __exit rtl8192_pci_module_exit(void)
4758 {
4759         pci_unregister_driver(&rtl8192_pci_driver);
4760
4761         RT_TRACE(COMP_DOWN, "Exiting\n");
4762         rtl8192_proc_module_remove();
4763         ieee80211_rtl_exit();
4764 }
4765
4766 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
4767 {
4768         struct net_device *dev = (struct net_device *) netdev;
4769         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4770         unsigned long flags;
4771         u32 inta;
4772         irqreturn_t ret = IRQ_HANDLED;
4773
4774         spin_lock_irqsave(&priv->irq_th_lock, flags);
4775
4776         /* ISR: 4bytes */
4777
4778         inta = read_nic_dword(priv, ISR); /* & priv->IntrMask; */
4779         write_nic_dword(priv, ISR, inta); /* reset int situation */
4780
4781         if (!inta) {
4782                 /*
4783                  * most probably we can safely return IRQ_NONE,
4784                  * but for now is better to avoid problems
4785                  */
4786                 goto out_unlock;
4787         }
4788
4789         if (inta == 0xffff) {
4790                 /* HW disappared */
4791                 goto out_unlock;
4792         }
4793
4794         if (!netif_running(dev))
4795                 goto out_unlock;
4796
4797         if (inta & IMR_TBDOK) {
4798                 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4799                 rtl8192_tx_isr(priv, BEACON_QUEUE);
4800                 priv->stats.txbeaconokint++;
4801         }
4802
4803         if (inta & IMR_TBDER) {
4804                 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4805                 rtl8192_tx_isr(priv, BEACON_QUEUE);
4806                 priv->stats.txbeaconerr++;
4807         }
4808
4809         if (inta & IMR_MGNTDOK ) {
4810                 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
4811                 priv->stats.txmanageokint++;
4812                 rtl8192_tx_isr(priv, MGNT_QUEUE);
4813         }
4814
4815         if (inta & IMR_COMDOK)
4816         {
4817                 priv->stats.txcmdpktokint++;
4818                 rtl8192_tx_isr(priv, TXCMD_QUEUE);
4819         }
4820
4821         if (inta & IMR_ROK) {
4822                 priv->stats.rxint++;
4823                 tasklet_schedule(&priv->irq_rx_tasklet);
4824         }
4825
4826         if (inta & IMR_BcnInt) {
4827                 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
4828                 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
4829         }
4830
4831         if (inta & IMR_RDU) {
4832                 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
4833                 priv->stats.rxrdu++;
4834                 /* reset int situation */
4835                 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) & ~IMR_RDU);
4836                 tasklet_schedule(&priv->irq_rx_tasklet);
4837         }
4838
4839         if (inta & IMR_RXFOVW) {
4840                 RT_TRACE(COMP_INTR, "rx overflow !\n");
4841                 priv->stats.rxoverflow++;
4842                 tasklet_schedule(&priv->irq_rx_tasklet);
4843         }
4844
4845         if (inta & IMR_TXFOVW)
4846                 priv->stats.txoverflow++;
4847
4848         if (inta & IMR_BKDOK) {
4849                 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
4850                 priv->stats.txbkokint++;
4851                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4852                 rtl8192_tx_isr(priv, BK_QUEUE);
4853         }
4854
4855         if (inta & IMR_BEDOK) {
4856                 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
4857                 priv->stats.txbeokint++;
4858                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4859                 rtl8192_tx_isr(priv, BE_QUEUE);
4860         }
4861
4862         if (inta & IMR_VIDOK) {
4863                 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
4864                 priv->stats.txviokint++;
4865                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4866                 rtl8192_tx_isr(priv, VI_QUEUE);
4867         }
4868
4869         if (inta & IMR_VODOK) {
4870                 priv->stats.txvookint++;
4871                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4872                 rtl8192_tx_isr(priv, VO_QUEUE);
4873         }
4874
4875 out_unlock:
4876         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4877
4878         return ret;
4879 }
4880
4881 void EnableHWSecurityConfig8192(struct r8192_priv *priv)
4882 {
4883         u8 SECR_value = 0x0;
4884         struct ieee80211_device* ieee = priv->ieee80211;
4885
4886         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
4887
4888         if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
4889         {
4890                 SECR_value |= SCR_RxUseDK;
4891                 SECR_value |= SCR_TxUseDK;
4892         }
4893         else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
4894         {
4895                 SECR_value |= SCR_RxUseDK;
4896                 SECR_value |= SCR_TxUseDK;
4897         }
4898
4899         //add HWSec active enable here.
4900 //default using hwsec. when peer AP is in N mode only and pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates it), use software security. when peer AP is in b,g,n mode mixed and pairwise_key_type is none_aes, use g mode hw security. WB on 2008.7.4
4901         ieee->hwsec_active = 1;
4902
4903         if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep)//!ieee->hwsec_support) //add hwsec_support flag to totol control hw_sec on/off
4904         {
4905                 ieee->hwsec_active = 0;
4906                 SECR_value &= ~SCR_RxDecEnable;
4907         }
4908
4909         RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__,
4910                         ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
4911         {
4912                 write_nic_byte(priv, SECR,  SECR_value);//SECR_value |  SCR_UseDK );
4913         }
4914
4915 }
4916 #define TOTAL_CAM_ENTRY 32
4917 //#define CAM_CONTENT_COUNT 8
4918 void setKey(struct r8192_priv *priv, u8 EntryNo, u8 KeyIndex, u16 KeyType,
4919             const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
4920 {
4921         u32 TargetCommand = 0;
4922         u32 TargetContent = 0;
4923         u16 usConfig = 0;
4924         u8 i;
4925 #ifdef ENABLE_IPS
4926         RT_RF_POWER_STATE       rtState;
4927
4928         rtState = priv->eRFPowerState;
4929         if (priv->PowerSaveControl.bInactivePs){
4930                 if(rtState == eRfOff){
4931                         if(priv->RfOffReason > RF_CHANGE_BY_IPS)
4932                         {
4933                                 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
4934                                 //up(&priv->wx_sem);
4935                                 return ;
4936                         }
4937                         else{
4938                                 down(&priv->ieee80211->ips_sem);
4939                                 IPSLeave(priv);
4940                                 up(&priv->ieee80211->ips_sem);
4941                         }
4942                 }
4943         }
4944         priv->ieee80211->is_set_key = true;
4945 #endif
4946         if (EntryNo >= TOTAL_CAM_ENTRY)
4947                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
4948
4949         RT_TRACE(COMP_SEC, "====>to setKey(), priv:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", priv, EntryNo, KeyIndex, KeyType, MacAddr);
4950
4951         if (DefaultKey)
4952                 usConfig |= BIT15 | (KeyType<<2);
4953         else
4954                 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
4955 //      usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
4956
4957
4958         for(i=0 ; i<CAM_CONTENT_COUNT; i++){
4959                 TargetCommand  = i+CAM_CONTENT_COUNT*EntryNo;
4960                 TargetCommand |= BIT31|BIT16;
4961
4962                 if(i==0){//MAC|Config
4963                         TargetContent = (u32)(*(MacAddr+0)) << 16|
4964                                         (u32)(*(MacAddr+1)) << 24|
4965                                         (u32)usConfig;
4966
4967                         write_nic_dword(priv, WCAMI, TargetContent);
4968                         write_nic_dword(priv, RWCAM, TargetCommand);
4969                 }
4970                 else if(i==1){//MAC
4971                         TargetContent = (u32)(*(MacAddr+2))      |
4972                                         (u32)(*(MacAddr+3)) <<  8|
4973                                         (u32)(*(MacAddr+4)) << 16|
4974                                         (u32)(*(MacAddr+5)) << 24;
4975                         write_nic_dword(priv, WCAMI, TargetContent);
4976                         write_nic_dword(priv, RWCAM, TargetCommand);
4977                 }
4978                 else {  //Key Material
4979                         if(KeyContent != NULL)
4980                         {
4981                         write_nic_dword(priv, WCAMI, (u32)(*(KeyContent+i-2)) );
4982                         write_nic_dword(priv, RWCAM, TargetCommand);
4983                 }
4984         }
4985         }
4986         RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
4987 }
4988
4989 bool NicIFEnableNIC(struct r8192_priv *priv)
4990 {
4991         RT_STATUS init_status = RT_STATUS_SUCCESS;
4992         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
4993
4994         //YJ,add,091109
4995         if (priv->up == 0){
4996                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
4997                 priv->bdisable_nic = false;  //YJ,add,091111
4998                 return false;
4999         }
5000         // <1> Reset memory: descriptor, buffer,..
5001         //NicIFResetMemory(Adapter);
5002
5003         // <2> Enable Adapter
5004         //priv->bfirst_init = true;
5005         init_status = rtl8192_adapter_start(priv);
5006         if (init_status != RT_STATUS_SUCCESS) {
5007                 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
5008                 priv->bdisable_nic = false;  //YJ,add,091111
5009                 return -1;
5010         }
5011         RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
5012         //priv->bfirst_init = false;
5013
5014         // <3> Enable Interrupt
5015         rtl8192_irq_enable(priv);
5016         priv->bdisable_nic = false;
5017
5018         return (init_status == RT_STATUS_SUCCESS);
5019 }
5020
5021 bool NicIFDisableNIC(struct r8192_priv *priv)
5022 {
5023         bool    status = true;
5024         u8 tmp_state = 0;
5025         // <1> Disable Interrupt
5026
5027         priv->bdisable_nic = true;      //YJ,move,091109
5028         tmp_state = priv->ieee80211->state;
5029
5030         ieee80211_softmac_stop_protocol(priv->ieee80211, false);
5031
5032         priv->ieee80211->state = tmp_state;
5033         rtl8192_cancel_deferred_work(priv);
5034         rtl8192_irq_disable(priv);
5035         // <2> Stop all timer
5036
5037         // <3> Disable Adapter
5038         rtl8192_halt_adapter(priv, false);
5039 //      priv->bdisable_nic = true;
5040
5041         return status;
5042 }
5043
5044 module_init(rtl8192_pci_module_init);
5045 module_exit(rtl8192_pci_module_exit);