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