Pileus Git - ~andy/linux/blob - 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 net_device *dev);
 100 static void rtl8192_stop_beacon(struct net_device *dev);
 101 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
 102 static void rtl8192_irq_rx_tasklet(unsigned long arg);
 103 static void rtl8192_irq_tx_tasklet(unsigned long arg);
 104 static void rtl8192_prepare_beacon(unsigned long arg);
 105 static irqreturn_t rtl8192_interrupt(int irq, void *netdev);
 106 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb);
 107 static void rtl8192_update_ratr_table(struct r8192_priv *priv);
 108 static void rtl8192_restart(struct work_struct *work);
 109 static void watch_dog_timer_callback(unsigned long data);
 110 static int _rtl8192_up(struct r8192_priv *priv);
 111 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
 112 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb);
 113
 114 #ifdef ENABLE_DOT11D
 115
 116 typedef struct _CHANNEL_LIST
 117 {
 118         u8      Channel[32];
 119         u8      Len;
 120 }CHANNEL_LIST, *PCHANNEL_LIST;
 121
 122 static const CHANNEL_LIST ChannelPlan[] = {
 123         {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64,149,153,157,161,165},24},             //FCC
 124         {{1,2,3,4,5,6,7,8,9,10,11},11},                                                 //IC
 125         {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21},   //ETSI
 126         {{1,2,3,4,5,6,7,8,9,10,11,12,13},13},    //Spain. Change to ETSI.
 127         {{1,2,3,4,5,6,7,8,9,10,11,12,13},13},   //France. Change to ETSI.
 128         {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},        //MKK                                   //MKK
 129         {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
 130         {{1,2,3,4,5,6,7,8,9,10,11,12,13},13},   //Israel.
 131         {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},                        // For 11a , TELEC
 132         {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22},    //MIC
 133         {{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14}                                 //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
 134 };
 135
 136 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
 137 {
 138         int i, max_chan=-1, min_chan=-1;
 139         struct ieee80211_device* ieee = priv->ieee80211;
 140         switch (channel_plan)
 141         {
 142                 case COUNTRY_CODE_FCC:
 143                 case COUNTRY_CODE_IC:
 144                 case COUNTRY_CODE_ETSI:
 145                 case COUNTRY_CODE_SPAIN:
 146                 case COUNTRY_CODE_FRANCE:
 147                 case COUNTRY_CODE_MKK:
 148                 case COUNTRY_CODE_MKK1:
 149                 case COUNTRY_CODE_ISRAEL:
 150                 case COUNTRY_CODE_TELEC:
 151                 case COUNTRY_CODE_MIC:
 152                 {
 153                         Dot11d_Init(ieee);
 154                         ieee->bGlobalDomain = false;
 155                         //acturally 8225 & 8256 rf chip only support B,G,24N mode
 156                         min_chan = 1;
 157                         max_chan = 14;
 158
 159                         if (ChannelPlan[channel_plan].Len != 0){
 160                                 // Clear old channel map
 161                                 memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
 162                                 // Set new channel map
 163                                 for (i=0;i<ChannelPlan[channel_plan].Len;i++)
 164                                 {
 165                                         if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
 166                                             break;
 167                                         GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
 168                                 }
 169                         }
 170                         break;
 171                 }
 172                 case COUNTRY_CODE_GLOBAL_DOMAIN:
 173                 {
 174                         GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
 175                         Dot11d_Reset(ieee);
 176                         ieee->bGlobalDomain = true;
 177                         break;
 178                 }
 179                 default:
 180                         break;
 181         }
 182 }
 183 #endif
 184
 185 static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo)
 186 {
 187         return (pdrvinfo->RxRate == DESC90_RATE1M ||
 188                 pdrvinfo->RxRate == DESC90_RATE2M ||
 189                 pdrvinfo->RxRate == DESC90_RATE5_5M ||
 190                 pdrvinfo->RxRate == DESC90_RATE11M) &&
 191                 !pdrvinfo->RxHT;
 192 }
 193
 194 void CamResetAllEntry(struct r8192_priv* priv)
 195 {
 196         write_nic_dword(priv, RWCAM, BIT31|BIT30);
 197 }
 198
 199 void write_cam(struct r8192_priv *priv, u8 addr, u32 data)
 200 {
 201         write_nic_dword(priv, WCAMI, data);
 202         write_nic_dword(priv, RWCAM, BIT31|BIT16|(addr&0xff) );
 203 }
 204
 205 u32 read_cam(struct r8192_priv *priv, u8 addr)
 206 {
 207         write_nic_dword(priv, RWCAM, 0x80000000|(addr&0xff) );
 208         return read_nic_dword(priv, 0xa8);
 209 }
 210
 211 u8 read_nic_byte(struct r8192_priv *priv, int x)
 212 {
 213         return 0xff & readb(priv->mem_start + x);
 214 }
 215
 216 u32 read_nic_dword(struct r8192_priv *priv, int x)
 217 {
 218         return readl(priv->mem_start + x);
 219 }
 220
 221 u16 read_nic_word(struct r8192_priv *priv, int x)
 222 {
 223         return readw(priv->mem_start + x);
 224 }
 225
 226 void write_nic_byte(struct r8192_priv *priv, int x,u8 y)
 227 {
 228         writeb(y, priv->mem_start + x);
 229         udelay(20);
 230 }
 231
 232 void write_nic_dword(struct r8192_priv *priv, int x,u32 y)
 233 {
 234         writel(y, priv->mem_start + x);
 235         udelay(20);
 236 }
 237
 238 void write_nic_word(struct r8192_priv *priv, int x,u16 y)
 239 {
 240         writew(y, priv->mem_start + x);
 241         udelay(20);
 242 }
 243
 244 u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
 245 {
 246         static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
 247         static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
 248         int wpa_ie_len= ieee->wpa_ie_len;
 249         struct ieee80211_crypt_data* crypt;
 250         int encrypt;
 251
 252         crypt = ieee->crypt[ieee->tx_keyidx];
 253
 254         encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||
 255                   (ieee->host_encrypt && crypt && crypt->ops &&
 256                    (0 == strcmp(crypt->ops->name,"WEP")));
 257
 258         /* simply judge  */
 259         if(encrypt && (wpa_ie_len == 0)) {
 260                 // wep encryption, no N mode setting */
 261                 return SEC_ALG_WEP;
 262         } else if((wpa_ie_len != 0)) {
 263                 // parse pairwise key type */
 264                 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
 265                                 ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
 266                         return SEC_ALG_CCMP;
 267                 else
 268                         return SEC_ALG_TKIP;
 269         } else {
 270                 return SEC_ALG_NONE;
 271         }
 272 }
 273
 274 void
 275 rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val)
 276 {
 277         struct r8192_priv* priv = ieee80211_priv(dev);
 278
 279         switch(variable)
 280         {
 281
 282                 case HW_VAR_BSSID:
 283                         write_nic_dword(priv, BSSIDR, ((u32*)(val))[0]);
 284                         write_nic_word(priv, BSSIDR+2, ((u16*)(val+2))[0]);
 285                 break;
 286
 287                 case HW_VAR_MEDIA_STATUS:
 288                 {
 289                         RT_OP_MODE      OpMode = *((RT_OP_MODE *)(val));
 290                         u8              btMsr = read_nic_byte(priv, MSR);
 291
 292                         btMsr &= 0xfc;
 293
 294                         switch(OpMode)
 295                         {
 296                         case RT_OP_MODE_INFRASTRUCTURE:
 297                                 btMsr |= MSR_INFRA;
 298                                 break;
 299
 300                         case RT_OP_MODE_IBSS:
 301                                 btMsr |= MSR_ADHOC;
 302                                 break;
 303
 304                         case RT_OP_MODE_AP:
 305                                 btMsr |= MSR_AP;
 306                                 break;
 307
 308                         default:
 309                                 btMsr |= MSR_NOLINK;
 310                                 break;
 311                         }
 312
 313                         write_nic_byte(priv, MSR, btMsr);
 314                 }
 315                 break;
 316
 317                 case HW_VAR_CHECK_BSSID:
 318                 {
 319                         u32     RegRCR, Type;
 320
 321                         Type = ((u8*)(val))[0];
 322                         RegRCR = read_nic_dword(priv, RCR);
 323                         priv->ReceiveConfig = RegRCR;
 324
 325                         if (Type == true)
 326                                 RegRCR |= (RCR_CBSSID);
 327                         else if (Type == false)
 328                                 RegRCR &= (~RCR_CBSSID);
 329
 330                         write_nic_dword(priv, RCR,RegRCR);
 331                         priv->ReceiveConfig = RegRCR;
 332
 333                 }
 334                 break;
 335
 336                 case HW_VAR_SLOT_TIME:
 337                 {
 338                         priv->slot_time = val[0];
 339                         write_nic_byte(priv, SLOT_TIME, val[0]);
 340
 341                 }
 342                 break;
 343
 344                 case HW_VAR_ACK_PREAMBLE:
 345                 {
 346                         u32 regTmp = 0;
 347                         priv->short_preamble = (bool)(*(u8*)val );
 348                         regTmp = priv->basic_rate;
 349                         if (priv->short_preamble)
 350                                 regTmp |= BRSR_AckShortPmb;
 351                         write_nic_dword(priv, RRSR, regTmp);
 352                 }
 353                 break;
 354
 355                 case HW_VAR_CPU_RST:
 356                         write_nic_dword(priv, CPU_GEN, ((u32*)(val))[0]);
 357                 break;
 358
 359                 default:
 360                 break;
 361         }
 362
 363 }
 364
 365 static struct proc_dir_entry *rtl8192_proc = NULL;
 366
 367 static int proc_get_stats_ap(char *page, char **start,
 368                           off_t offset, int count,
 369                           int *eof, void *data)
 370 {
 371         struct r8192_priv *priv = data;
 372         struct ieee80211_device *ieee = priv->ieee80211;
 373         struct ieee80211_network *target;
 374         int len = 0;
 375
 376         list_for_each_entry(target, &ieee->network_list, list) {
 377
 378                 len += snprintf(page + len, count - len,
 379                 "%s ", target->ssid);
 380
 381                 if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
 382                         len += snprintf(page + len, count - len,
 383                         "WPA\n");
 384                 }
 385                 else{
 386                         len += snprintf(page + len, count - len,
 387                         "non_WPA\n");
 388                 }
 389
 390         }
 391
 392         *eof = 1;
 393         return len;
 394 }
 395
 396 static int proc_get_registers(char *page, char **start,
 397                           off_t offset, int count,
 398                           int *eof, void *data)
 399 {
 400         struct r8192_priv *priv = data;
 401         int len = 0;
 402         int i,n;
 403         int max=0xff;
 404
 405         /* This dump the current register page */
 406         len += snprintf(page + len, count - len,
 407                         "\n####################page 0##################\n ");
 408
 409         for(n=0;n<=max;)
 410         {
 411                 len += snprintf(page + len, count - len,
 412                         "\nD:  %2x > ",n);
 413
 414                 for(i=0;i<16 && n<=max;i++,n++)
 415                 len += snprintf(page + len, count - len,
 416                         "%2x ",read_nic_byte(priv,n));
 417         }
 418         len += snprintf(page + len, count - len,"\n");
 419         len += snprintf(page + len, count - len,
 420                         "\n####################page 1##################\n ");
 421         for(n=0;n<=max;)
 422         {
 423                 len += snprintf(page + len, count - len,
 424                         "\nD:  %2x > ",n);
 425
 426                 for(i=0;i<16 && n<=max;i++,n++)
 427                 len += snprintf(page + len, count - len,
 428                         "%2x ",read_nic_byte(priv,0x100|n));
 429         }
 430
 431         len += snprintf(page + len, count - len,
 432                         "\n####################page 3##################\n ");
 433         for(n=0;n<=max;)
 434         {
 435                 len += snprintf(page + len, count - len,
 436                         "\nD:  %2x > ",n);
 437
 438                 for(i=0;i<16 && n<=max;i++,n++)
 439                 len += snprintf(page + len, count - len,
 440                         "%2x ",read_nic_byte(priv,0x300|n));
 441         }
 442
 443         *eof = 1;
 444         return len;
 445
 446 }
 447
 448 static int proc_get_stats_tx(char *page, char **start,
 449                           off_t offset, int count,
 450                           int *eof, void *data)
 451 {
 452         struct r8192_priv *priv = data;
 453
 454         int len = 0;
 455
 456         len += snprintf(page + len, count - len,
 457                 "TX VI priority ok int: %lu\n"
 458                 "TX VO priority ok int: %lu\n"
 459                 "TX BE priority ok int: %lu\n"
 460                 "TX BK priority ok int: %lu\n"
 461                 "TX MANAGE priority ok int: %lu\n"
 462                 "TX BEACON priority ok int: %lu\n"
 463                 "TX BEACON priority error int: %lu\n"
 464                 "TX CMDPKT priority ok int: %lu\n"
 465                 "TX queue stopped?: %d\n"
 466                 "TX fifo overflow: %lu\n"
 467                 "TX total data packets %lu\n"
 468                 "TX total data bytes :%lu\n",
 469                 priv->stats.txviokint,
 470                 priv->stats.txvookint,
 471                 priv->stats.txbeokint,
 472                 priv->stats.txbkokint,
 473                 priv->stats.txmanageokint,
 474                 priv->stats.txbeaconokint,
 475                 priv->stats.txbeaconerr,
 476                 priv->stats.txcmdpktokint,
 477                 netif_queue_stopped(priv->ieee80211->dev),
 478                 priv->stats.txoverflow,
 479                 priv->ieee80211->stats.tx_packets,
 480                 priv->ieee80211->stats.tx_bytes);
 481
 482         *eof = 1;
 483         return len;
 484 }
 485
 486
 487
 488 static int proc_get_stats_rx(char *page, char **start,
 489                           off_t offset, int count,
 490                           int *eof, void *data)
 491 {
 492         struct r8192_priv *priv = data;
 493         int len = 0;
 494
 495         len += snprintf(page + len, count - len,
 496                 "RX packets: %lu\n"
 497                 "RX desc err: %lu\n"
 498                 "RX rx overflow error: %lu\n",
 499                 priv->stats.rxint,
 500                 priv->stats.rxrdu,
 501                 priv->stats.rxoverflow);
 502
 503         *eof = 1;
 504         return len;
 505 }
 506
 507 static void rtl8192_proc_module_init(void)
 508 {
 509         RT_TRACE(COMP_INIT, "Initializing proc filesystem\n");
 510         rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
 511 }
 512
 513
 514 static void rtl8192_proc_module_remove(void)
 515 {
 516         remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
 517 }
 518
 519
 520 static void rtl8192_proc_remove_one(struct r8192_priv *priv)
 521 {
 522         struct net_device *dev = priv->ieee80211->dev;
 523
 524         printk("dev name=======> %s\n",dev->name);
 525
 526         if (priv->dir_dev) {
 527                 remove_proc_entry("stats-tx", priv->dir_dev);
 528                 remove_proc_entry("stats-rx", priv->dir_dev);
 529                 remove_proc_entry("stats-ap", priv->dir_dev);
 530                 remove_proc_entry("registers", priv->dir_dev);
 531                 remove_proc_entry("wlan0", rtl8192_proc);
 532                 priv->dir_dev = NULL;
 533         }
 534 }
 535
 536
 537 static void rtl8192_proc_init_one(struct r8192_priv *priv)
 538 {
 539         struct net_device *dev = priv->ieee80211->dev;
 540         struct proc_dir_entry *e;
 541
 542         priv->dir_dev = create_proc_entry(dev->name,
 543                                           S_IFDIR | S_IRUGO | S_IXUGO,
 544                                           rtl8192_proc);
 545         if (!priv->dir_dev) {
 546                 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
 547                       dev->name);
 548                 return;
 549         }
 550         e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
 551                                    priv->dir_dev, proc_get_stats_rx, priv);
 552
 553         if (!e) {
 554                 RT_TRACE(COMP_ERR,"Unable to initialize "
 555                       "/proc/net/rtl8192/%s/stats-rx\n",
 556                       dev->name);
 557         }
 558
 559
 560         e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
 561                                    priv->dir_dev, proc_get_stats_tx, priv);
 562
 563         if (!e) {
 564                 RT_TRACE(COMP_ERR, "Unable to initialize "
 565                       "/proc/net/rtl8192/%s/stats-tx\n",
 566                       dev->name);
 567         }
 568
 569         e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
 570                                    priv->dir_dev, proc_get_stats_ap, priv);
 571
 572         if (!e) {
 573                 RT_TRACE(COMP_ERR, "Unable to initialize "
 574                       "/proc/net/rtl8192/%s/stats-ap\n",
 575                       dev->name);
 576         }
 577
 578         e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
 579                                    priv->dir_dev, proc_get_registers, priv);
 580         if (!e) {
 581                 RT_TRACE(COMP_ERR, "Unable to initialize "
 582                       "/proc/net/rtl8192/%s/registers\n",
 583                       dev->name);
 584         }
 585 }
 586
 587 static short check_nic_enough_desc(struct net_device *dev, int prio)
 588 {
 589     struct r8192_priv *priv = ieee80211_priv(dev);
 590     struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 591
 592     /* for now we reserve two free descriptor as a safety boundary
 593      * between the tail and the head
 594      */
 595     return (ring->entries - skb_queue_len(&ring->queue) >= 2);
 596 }
 597
 598 static void tx_timeout(struct net_device *dev)
 599 {
 600         struct r8192_priv *priv = ieee80211_priv(dev);
 601
 602         schedule_work(&priv->reset_wq);
 603         printk("TXTIMEOUT");
 604 }
 605
 606 static void rtl8192_irq_enable(struct r8192_priv *priv)
 607 {
 608         u32 mask;
 609
 610         mask = IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |
 611                IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |
 612                IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |
 613                IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER;
 614
 615         write_nic_dword(priv, INTA_MASK, mask);
 616 }
 617
 618 static void rtl8192_irq_disable(struct r8192_priv *priv)
 619 {
 620         write_nic_dword(priv, INTA_MASK, 0);
 621         synchronize_irq(priv->irq);
 622 }
 623
 624 static void rtl8192_update_msr(struct r8192_priv *priv)
 625 {
 626         u8 msr;
 627
 628         msr  = read_nic_byte(priv, MSR);
 629         msr &= ~ MSR_LINK_MASK;
 630
 631         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 632          * msr must be updated if the state is ASSOCIATING.
 633          * this is intentional and make sense for ad-hoc and
 634          * master (see the create BSS/IBSS func)
 635          */
 636         if (priv->ieee80211->state == IEEE80211_LINKED){
 637
 638                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 639                         msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
 640                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 641                         msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
 642                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 643                         msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
 644
 645         }else
 646                 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
 647
 648         write_nic_byte(priv, MSR, msr);
 649 }
 650
 651 static void rtl8192_set_chan(struct net_device *dev,short ch)
 652 {
 653         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 654
 655         priv->chan = ch;
 656
 657         /* need to implement rf set channel here WB */
 658
 659         if (priv->rf_set_chan)
 660                 priv->rf_set_chan(dev, priv->chan);
 661 }
 662
 663 static void rtl8192_rx_enable(struct r8192_priv *priv)
 664 {
 665         write_nic_dword(priv, RDQDA, priv->rx_ring_dma);
 666 }
 667
 668 /* the TX_DESC_BASE setting is according to the following queue index
 669  *  BK_QUEUE       ===>                        0
 670  *  BE_QUEUE       ===>                        1
 671  *  VI_QUEUE       ===>                        2
 672  *  VO_QUEUE       ===>                        3
 673  *  HCCA_QUEUE     ===>                        4
 674  *  TXCMD_QUEUE    ===>                        5
 675  *  MGNT_QUEUE     ===>                        6
 676  *  HIGH_QUEUE     ===>                        7
 677  *  BEACON_QUEUE   ===>                        8
 678  *  */
 679 static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
 680 static void rtl8192_tx_enable(struct r8192_priv *priv)
 681 {
 682         u32 i;
 683
 684         for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
 685                 write_nic_dword(priv, TX_DESC_BASE[i], priv->tx_ring[i].dma);
 686
 687         ieee80211_reset_queue(priv->ieee80211);
 688 }
 689
 690
 691 static void rtl8192_free_rx_ring(struct r8192_priv *priv)
 692 {
 693         int i;
 694
 695         for (i = 0; i < priv->rxringcount; i++) {
 696                 struct sk_buff *skb = priv->rx_buf[i];
 697                 if (!skb)
 698                         continue;
 699
 700                 pci_unmap_single(priv->pdev,
 701                                  *((dma_addr_t *)skb->cb),
 702                                  priv->rxbuffersize, PCI_DMA_FROMDEVICE);
 703                 kfree_skb(skb);
 704         }
 705
 706         pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
 707                             priv->rx_ring, priv->rx_ring_dma);
 708         priv->rx_ring = NULL;
 709 }
 710
 711 static void rtl8192_free_tx_ring(struct r8192_priv *priv, unsigned int prio)
 712 {
 713         struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 714
 715         while (skb_queue_len(&ring->queue)) {
 716                 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
 717                 struct sk_buff *skb = __skb_dequeue(&ring->queue);
 718
 719                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
 720                                  skb->len, PCI_DMA_TODEVICE);
 721                 kfree_skb(skb);
 722                 ring->idx = (ring->idx + 1) % ring->entries;
 723         }
 724
 725         pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
 726                             ring->desc, ring->dma);
 727         ring->desc = NULL;
 728 }
 729
 730 void PHY_SetRtl8192eRfOff(struct r8192_priv *priv)
 731 {
 732         //disable RF-Chip A/B
 733         rtl8192_setBBreg(priv, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
 734         //analog to digital off, for power save
 735         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter4, 0x300, 0x0);
 736         //digital to analog off, for power save
 737         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x18, 0x0);
 738         //rx antenna off
 739         rtl8192_setBBreg(priv, rOFDM0_TRxPathEnable, 0xf, 0x0);
 740         //rx antenna off
 741         rtl8192_setBBreg(priv, rOFDM1_TRxPathEnable, 0xf, 0x0);
 742         //analog to digital part2 off, for power save
 743         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x60, 0x0);
 744         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x4, 0x0);
 745         // Analog parameter!!Change bias and Lbus control.
 746         write_nic_byte(priv, ANAPAR_FOR_8192PciE, 0x07);
 747 }
 748
 749 static void rtl8192_halt_adapter(struct r8192_priv *priv, bool reset)
 750 {
 751         struct net_device *dev = priv->ieee80211->dev;
 752         int i;
 753         u8 OpMode;
 754         u32 ulRegRead;
 755
 756         OpMode = RT_OP_MODE_NO_LINK;
 757         priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode);
 758
 759         if (!priv->ieee80211->bSupportRemoteWakeUp) {
 760                 /*
 761                  * disable tx/rx. In 8185 we write 0x10 (Reset bit),
 762                  * but here we make reference to WMAC and wirte 0x0
 763                  */
 764                 write_nic_byte(priv, CMDR, 0);
 765         }
 766
 767         mdelay(20);
 768
 769         if (!reset) {
 770                 mdelay(150);
 771
 772                 priv->bHwRfOffAction = 2;
 773
 774                 /*
 775                  * Call MgntActSet_RF_State instead to
 776                  * prevent RF config race condition.
 777                  */
 778                 if (!priv->ieee80211->bSupportRemoteWakeUp) {
 779                         PHY_SetRtl8192eRfOff(priv);
 780                         ulRegRead = read_nic_dword(priv, CPU_GEN);
 781                         ulRegRead |= CPU_GEN_SYSTEM_RESET;
 782                         write_nic_dword(priv,CPU_GEN, ulRegRead);
 783                 } else {
 784                         /* for WOL */
 785                         write_nic_dword(priv, WFCRC0, 0xffffffff);
 786                         write_nic_dword(priv, WFCRC1, 0xffffffff);
 787                         write_nic_dword(priv, WFCRC2, 0xffffffff);
 788
 789                         /* Write PMR register */
 790                         write_nic_byte(priv, PMR, 0x5);
 791                         /* Disable tx, enanble rx */
 792                         write_nic_byte(priv, MacBlkCtrl, 0xa);
 793                 }
 794         }
 795
 796         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
 797                 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
 798         }
 799         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
 800                 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
 801         }
 802
 803         skb_queue_purge(&priv->skb_queue);
 804 }
 805
 806 static void rtl8192_data_hard_stop(struct net_device *dev)
 807 {
 808 }
 809
 810 static void rtl8192_data_hard_resume(struct net_device *dev)
 811 {
 812 }
 813
 814 /*
 815  * this function TX data frames when the ieee80211 stack requires this.
 816  * It checks also if we need to stop the ieee tx queue, eventually do it
 817  */
 818 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
 819 {
 820         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 821         int ret;
 822         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 823         u8 queue_index = tcb_desc->queue_index;
 824
 825         /* shall not be referred by command packet */
 826         BUG_ON(queue_index == TXCMD_QUEUE);
 827
 828         if (priv->bHwRadioOff || (!priv->up))
 829         {
 830                 kfree_skb(skb);
 831                 return;
 832         }
 833
 834         memcpy(skb->cb, &dev, sizeof(dev));
 835
 836         skb_push(skb, priv->ieee80211->tx_headroom);
 837         ret = rtl8192_tx(priv, skb);
 838         if (ret != 0) {
 839                 kfree_skb(skb);
 840         }
 841
 842         if (queue_index != MGNT_QUEUE) {
 843                 priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom);
 844                 priv->ieee80211->stats.tx_packets++;
 845         }
 846 }
 847
 848 /*
 849  * This is a rough attempt to TX a frame
 850  * This is called by the ieee 80211 stack to TX management frames.
 851  * If the ring is full packet are dropped (for data frame the queue
 852  * is stopped before this can happen).
 853  */
 854 static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
 855 {
 856         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 857         int ret;
 858         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 859         u8 queue_index = tcb_desc->queue_index;
 860
 861         if (queue_index != TXCMD_QUEUE) {
 862                 if (priv->bHwRadioOff || (!priv->up))
 863                 {
 864                         kfree_skb(skb);
 865                         return 0;
 866                 }
 867         }
 868
 869         memcpy(skb->cb, &dev, sizeof(dev));
 870         if (queue_index == TXCMD_QUEUE) {
 871                 rtl819xE_tx_cmd(priv, skb);
 872                 ret = 0;
 873                 return ret;
 874         } else {
 875                 tcb_desc->RATRIndex = 7;
 876                 tcb_desc->bTxDisableRateFallBack = 1;
 877                 tcb_desc->bTxUseDriverAssingedRate = 1;
 878                 tcb_desc->bTxEnableFwCalcDur = 1;
 879                 skb_push(skb, priv->ieee80211->tx_headroom);
 880                 ret = rtl8192_tx(priv, skb);
 881                 if (ret != 0) {
 882                         kfree_skb(skb);
 883                 }
 884         }
 885
 886         return ret;
 887 }
 888
 889
 890 static void rtl8192_tx_isr(struct r8192_priv *priv, int prio)
 891 {
 892         struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 893
 894         while (skb_queue_len(&ring->queue)) {
 895                 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
 896                 struct sk_buff *skb;
 897
 898                 /*
 899                  * beacon packet will only use the first descriptor defaultly,
 900                  * and the OWN may not be cleared by the hardware
 901                  */
 902                 if (prio != BEACON_QUEUE) {
 903                         if (entry->OWN)
 904                                 return;
 905                         ring->idx = (ring->idx + 1) % ring->entries;
 906                 }
 907
 908                 skb = __skb_dequeue(&ring->queue);
 909                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
 910                                  skb->len, PCI_DMA_TODEVICE);
 911
 912                 kfree_skb(skb);
 913         }
 914
 915         if (prio != BEACON_QUEUE) {
 916                 /* try to deal with the pending packets  */
 917                 tasklet_schedule(&priv->irq_tx_tasklet);
 918         }
 919 }
 920
 921 static void rtl8192_stop_beacon(struct net_device *dev)
 922 {
 923 }
 924
 925 static void rtl8192_config_rate(struct r8192_priv *priv, u16* rate_config)
 926 {
 927          struct ieee80211_network *net;
 928          u8 i=0, basic_rate = 0;
 929          net = & priv->ieee80211->current_network;
 930
 931          for (i=0; i<net->rates_len; i++)
 932          {
 933                  basic_rate = net->rates[i]&0x7f;
 934                  switch(basic_rate)
 935                  {
 936                          case MGN_1M:   *rate_config |= RRSR_1M;        break;
 937                          case MGN_2M:   *rate_config |= RRSR_2M;        break;
 938                          case MGN_5_5M: *rate_config |= RRSR_5_5M;      break;
 939                          case MGN_11M:  *rate_config |= RRSR_11M;       break;
 940                          case MGN_6M:   *rate_config |= RRSR_6M;        break;
 941                          case MGN_9M:   *rate_config |= RRSR_9M;        break;
 942                          case MGN_12M:  *rate_config |= RRSR_12M;       break;
 943                          case MGN_18M:  *rate_config |= RRSR_18M;       break;
 944                          case MGN_24M:  *rate_config |= RRSR_24M;       break;
 945                          case MGN_36M:  *rate_config |= RRSR_36M;       break;
 946                          case MGN_48M:  *rate_config |= RRSR_48M;       break;
 947                          case MGN_54M:  *rate_config |= RRSR_54M;       break;
 948                  }
 949          }
 950          for (i=0; i<net->rates_ex_len; i++)
 951          {
 952                  basic_rate = net->rates_ex[i]&0x7f;
 953                  switch(basic_rate)
 954                  {
 955                          case MGN_1M:   *rate_config |= RRSR_1M;        break;
 956                          case MGN_2M:   *rate_config |= RRSR_2M;        break;
 957                          case MGN_5_5M: *rate_config |= RRSR_5_5M;      break;
 958                          case MGN_11M:  *rate_config |= RRSR_11M;       break;
 959                          case MGN_6M:   *rate_config |= RRSR_6M;        break;
 960                          case MGN_9M:   *rate_config |= RRSR_9M;        break;
 961                          case MGN_12M:  *rate_config |= RRSR_12M;       break;
 962                          case MGN_18M:  *rate_config |= RRSR_18M;       break;
 963                          case MGN_24M:  *rate_config |= RRSR_24M;       break;
 964                          case MGN_36M:  *rate_config |= RRSR_36M;       break;
 965                          case MGN_48M:  *rate_config |= RRSR_48M;       break;
 966                          case MGN_54M:  *rate_config |= RRSR_54M;       break;
 967                  }
 968          }
 969 }
 970
 971
 972 #define SHORT_SLOT_TIME 9
 973 #define NON_SHORT_SLOT_TIME 20
 974
 975 static void rtl8192_update_cap(struct r8192_priv *priv, u16 cap)
 976 {
 977         u32 tmp = 0;
 978         struct ieee80211_network *net = &priv->ieee80211->current_network;
 979
 980         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
 981         tmp = priv->basic_rate;
 982         if (priv->short_preamble)
 983                 tmp |= BRSR_AckShortPmb;
 984         write_nic_dword(priv, RRSR, tmp);
 985
 986         if (net->mode & (IEEE_G|IEEE_N_24G))
 987         {
 988                 u8 slot_time = 0;
 989                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
 990                 {//short slot time
 991                         slot_time = SHORT_SLOT_TIME;
 992                 }
 993                 else //long slot time
 994                         slot_time = NON_SHORT_SLOT_TIME;
 995                 priv->slot_time = slot_time;
 996                 write_nic_byte(priv, SLOT_TIME, slot_time);
 997         }
 998
 999 }
1000
1001 static void rtl8192_net_update(struct r8192_priv *priv)
1002 {
1003         struct ieee80211_network *net;
1004         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1005         u16 rate_config = 0;
1006         net = &priv->ieee80211->current_network;
1007
1008         /* update Basic rate: RR, BRSR */
1009         rtl8192_config_rate(priv, &rate_config);
1010
1011         /*
1012          * Select RRSR (in Legacy-OFDM and CCK)
1013          * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1014          * 2M, and 1M from the Basic rate.
1015          * We do not use other rates.
1016          */
1017         priv->basic_rate = rate_config &= 0x15f;
1018
1019         /* BSSID */
1020         write_nic_dword(priv, BSSIDR, ((u32 *)net->bssid)[0]);
1021         write_nic_word(priv, BSSIDR+4, ((u16 *)net->bssid)[2]);
1022
1023         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1024         {
1025                 write_nic_word(priv, ATIMWND, 2);
1026                 write_nic_word(priv, BCN_DMATIME, 256);
1027                 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
1028                 /*
1029                  * BIT15 of BCN_DRV_EARLY_INT will indicate
1030                  * whether software beacon or hw beacon is applied.
1031                  */
1032                 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
1033                 write_nic_byte(priv, BCN_ERR_THRESH, 100);
1034
1035                 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1036                 /* TODO: BcnIFS may required to be changed on ASIC */
1037                 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1038                 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
1039         }
1040 }
1041
1042 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb)
1043 {
1044     struct rtl8192_tx_ring *ring;
1045     tx_desc_819x_pci *entry;
1046     unsigned int idx;
1047     dma_addr_t mapping;
1048     cb_desc *tcb_desc;
1049     unsigned long flags;
1050
1051     ring = &priv->tx_ring[TXCMD_QUEUE];
1052     mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1053
1054     spin_lock_irqsave(&priv->irq_th_lock,flags);
1055     idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1056     entry = &ring->desc[idx];
1057
1058     tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1059     memset(entry,0,12);
1060     entry->LINIP = tcb_desc->bLastIniPkt;
1061     entry->FirstSeg = 1;//first segment
1062     entry->LastSeg = 1; //last segment
1063     if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1064         entry->CmdInit = DESC_PACKET_TYPE_INIT;
1065     } else {
1066         entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1067         entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1068         entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1069         entry->QueueSelect = QSLT_CMD;
1070         entry->TxFWInfoSize = 0x08;
1071         entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1072     }
1073     entry->TxBufferSize = skb->len;
1074     entry->TxBuffAddr = cpu_to_le32(mapping);
1075     entry->OWN = 1;
1076
1077     __skb_queue_tail(&ring->queue, skb);
1078     spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1079
1080     write_nic_byte(priv, TPPoll, TPPoll_CQ);
1081
1082     return;
1083 }
1084
1085 /*
1086  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1087  * in TxFwInfo data structure
1088  */
1089 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1090 {
1091         u8 QueueSelect = 0;
1092
1093         switch (QueueID) {
1094         case BE_QUEUE:
1095                 QueueSelect = QSLT_BE;
1096                 break;
1097
1098         case BK_QUEUE:
1099                 QueueSelect = QSLT_BK;
1100                 break;
1101
1102         case VO_QUEUE:
1103                 QueueSelect = QSLT_VO;
1104                 break;
1105
1106         case VI_QUEUE:
1107                 QueueSelect = QSLT_VI;
1108                 break;
1109
1110         case MGNT_QUEUE:
1111                 QueueSelect = QSLT_MGNT;
1112                 break;
1113
1114         case BEACON_QUEUE:
1115                 QueueSelect = QSLT_BEACON;
1116                 break;
1117
1118         case TXCMD_QUEUE:
1119                 QueueSelect = QSLT_CMD;
1120                 break;
1121
1122         case HIGH_QUEUE:
1123         default:
1124                 RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID);
1125                 break;
1126         }
1127         return QueueSelect;
1128 }
1129
1130 static u8 MRateToHwRate8190Pci(u8 rate)
1131 {
1132         u8  ret = DESC90_RATE1M;
1133
1134         switch(rate) {
1135                 case MGN_1M:    ret = DESC90_RATE1M;            break;
1136                 case MGN_2M:    ret = DESC90_RATE2M;            break;
1137                 case MGN_5_5M:  ret = DESC90_RATE5_5M;  break;
1138                 case MGN_11M:   ret = DESC90_RATE11M;   break;
1139                 case MGN_6M:    ret = DESC90_RATE6M;            break;
1140                 case MGN_9M:    ret = DESC90_RATE9M;            break;
1141                 case MGN_12M:   ret = DESC90_RATE12M;   break;
1142                 case MGN_18M:   ret = DESC90_RATE18M;   break;
1143                 case MGN_24M:   ret = DESC90_RATE24M;   break;
1144                 case MGN_36M:   ret = DESC90_RATE36M;   break;
1145                 case MGN_48M:   ret = DESC90_RATE48M;   break;
1146                 case MGN_54M:   ret = DESC90_RATE54M;   break;
1147
1148                 // HT rate since here
1149                 case MGN_MCS0:  ret = DESC90_RATEMCS0;  break;
1150                 case MGN_MCS1:  ret = DESC90_RATEMCS1;  break;
1151                 case MGN_MCS2:  ret = DESC90_RATEMCS2;  break;
1152                 case MGN_MCS3:  ret = DESC90_RATEMCS3;  break;
1153                 case MGN_MCS4:  ret = DESC90_RATEMCS4;  break;
1154                 case MGN_MCS5:  ret = DESC90_RATEMCS5;  break;
1155                 case MGN_MCS6:  ret = DESC90_RATEMCS6;  break;
1156                 case MGN_MCS7:  ret = DESC90_RATEMCS7;  break;
1157                 case MGN_MCS8:  ret = DESC90_RATEMCS8;  break;
1158                 case MGN_MCS9:  ret = DESC90_RATEMCS9;  break;
1159                 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1160                 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1161                 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1162                 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1163                 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1164                 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1165                 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1166
1167                 default:       break;
1168         }
1169         return ret;
1170 }
1171
1172
1173 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1174 {
1175         u8   tmp_Short;
1176
1177         tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1178
1179         if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1180                 tmp_Short = 0;
1181
1182         return tmp_Short;
1183 }
1184
1185 /*
1186  * The tx procedure is just as following,
1187  * skb->cb will contain all the following information,
1188  * priority, morefrag, rate, &dev.
1189  */
1190 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb)
1191 {
1192         struct rtl8192_tx_ring *ring;
1193         unsigned long flags;
1194         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1195         tx_desc_819x_pci *pdesc = NULL;
1196         TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1197         dma_addr_t mapping;
1198         bool multi_addr = false, broad_addr = false, uni_addr = false;
1199         u8 *pda_addr = NULL;
1200         int idx;
1201
1202         if (priv->bdisable_nic) {
1203                 RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1204                          skb->len, tcb_desc->queue_index);
1205                 return skb->len;
1206         }
1207
1208 #ifdef ENABLE_LPS
1209         priv->ieee80211->bAwakePktSent = true;
1210 #endif
1211
1212         mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1213
1214         /* collect the tx packets statitcs */
1215         pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
1216         if (is_multicast_ether_addr(pda_addr))
1217                 multi_addr = true;
1218         else if (is_broadcast_ether_addr(pda_addr))
1219                 broad_addr = true;
1220         else
1221                 uni_addr = true;
1222
1223         if (uni_addr)
1224                 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1225
1226         /* fill tx firmware */
1227         pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1228         memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
1229         pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1230         pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1231         pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1232         pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1233
1234         /* Aggregation related */
1235         if (tcb_desc->bAMPDUEnable) {
1236                 pTxFwInfo->AllowAggregation = 1;
1237                 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1238                 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1239         } else {
1240                 pTxFwInfo->AllowAggregation = 0;
1241                 pTxFwInfo->RxMF = 0;
1242                 pTxFwInfo->RxAMD = 0;
1243         }
1244
1245         /* Protection mode related */
1246         pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1247         pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1248         pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1249         pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1250         pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1251         pTxFwInfo->RtsBandwidth = 0;
1252         pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1253         pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);
1254
1255         /* Set Bandwidth and sub-channel settings. */
1256         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1257                 if (tcb_desc->bPacketBW) {
1258                         pTxFwInfo->TxBandwidth = 1;
1259                         /* use duplicated mode */
1260                         pTxFwInfo->TxSubCarrier = 0;
1261                 } else {
1262                         pTxFwInfo->TxBandwidth = 0;
1263                         pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1264                 }
1265         } else {
1266                 pTxFwInfo->TxBandwidth = 0;
1267                 pTxFwInfo->TxSubCarrier = 0;
1268         }
1269
1270         spin_lock_irqsave(&priv->irq_th_lock, flags);
1271         ring = &priv->tx_ring[tcb_desc->queue_index];
1272         if (tcb_desc->queue_index != BEACON_QUEUE)
1273                 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1274         else
1275                 idx = 0;
1276
1277         pdesc = &ring->desc[idx];
1278         if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1279                 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x\n",
1280                          tcb_desc->queue_index, ring->idx, idx, skb->len);
1281                 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1282                 return skb->len;
1283         }
1284
1285         /* fill tx descriptor */
1286         memset(pdesc, 0, 12);
1287
1288         /*DWORD 0*/
1289         pdesc->LINIP = 0;
1290         pdesc->CmdInit = 1;
1291         pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
1292         pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1293
1294         /*DWORD 1*/
1295         pdesc->SecCAMID = 0;
1296         pdesc->RATid = tcb_desc->RATRIndex;
1297
1298         pdesc->NoEnc = 1;
1299         pdesc->SecType = 0x0;
1300         if (tcb_desc->bHwSec) {
1301                 switch (priv->ieee80211->pairwise_key_type) {
1302                 case KEY_TYPE_WEP40:
1303                 case KEY_TYPE_WEP104:
1304                         pdesc->SecType = 0x1;
1305                         pdesc->NoEnc = 0;
1306                         break;
1307                 case KEY_TYPE_TKIP:
1308                         pdesc->SecType = 0x2;
1309                         pdesc->NoEnc = 0;
1310                         break;
1311                 case KEY_TYPE_CCMP:
1312                         pdesc->SecType = 0x3;
1313                         pdesc->NoEnc = 0;
1314                         break;
1315                 case KEY_TYPE_NA:
1316                         pdesc->SecType = 0x0;
1317                         pdesc->NoEnc = 1;
1318                         break;
1319                 }
1320         }
1321
1322         /* Set Packet ID */
1323         pdesc->PktId = 0x0;
1324
1325         pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1326         pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1327
1328         pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1329         pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1330
1331         pdesc->FirstSeg = 1;
1332         pdesc->LastSeg = 1;
1333         pdesc->TxBufferSize = skb->len;
1334
1335         pdesc->TxBuffAddr = cpu_to_le32(mapping);
1336         __skb_queue_tail(&ring->queue, skb);
1337         pdesc->OWN = 1;
1338         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1339         priv->ieee80211->dev->trans_start = jiffies;
1340         write_nic_word(priv, TPPoll, 0x01<<tcb_desc->queue_index);
1341         return 0;
1342 }
1343
1344 static short rtl8192_alloc_rx_desc_ring(struct r8192_priv *priv)
1345 {
1346     rx_desc_819x_pci *entry = NULL;
1347     int i;
1348
1349     priv->rx_ring = pci_alloc_consistent(priv->pdev,
1350             sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1351
1352     if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1353         RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1354         return -ENOMEM;
1355     }
1356
1357     memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1358     priv->rx_idx = 0;
1359
1360     for (i = 0; i < priv->rxringcount; i++) {
1361         struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1362         dma_addr_t *mapping;
1363         entry = &priv->rx_ring[i];
1364         if (!skb)
1365             return 0;
1366         priv->rx_buf[i] = skb;
1367         mapping = (dma_addr_t *)skb->cb;
1368         *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
1369                 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1370
1371         entry->BufferAddress = cpu_to_le32(*mapping);
1372
1373         entry->Length = priv->rxbuffersize;
1374         entry->OWN = 1;
1375     }
1376
1377     entry->EOR = 1;
1378     return 0;
1379 }
1380
1381 static int rtl8192_alloc_tx_desc_ring(struct r8192_priv *priv,
1382         unsigned int prio, unsigned int entries)
1383 {
1384     tx_desc_819x_pci *ring;
1385     dma_addr_t dma;
1386     int i;
1387
1388     ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1389     if (!ring || (unsigned long)ring & 0xFF) {
1390         RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1391         return -ENOMEM;
1392     }
1393
1394     memset(ring, 0, sizeof(*ring)*entries);
1395     priv->tx_ring[prio].desc = ring;
1396     priv->tx_ring[prio].dma = dma;
1397     priv->tx_ring[prio].idx = 0;
1398     priv->tx_ring[prio].entries = entries;
1399     skb_queue_head_init(&priv->tx_ring[prio].queue);
1400
1401     for (i = 0; i < entries; i++)
1402         ring[i].NextDescAddress =
1403             cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1404
1405     return 0;
1406 }
1407
1408 static short rtl8192_pci_initdescring(struct r8192_priv *priv)
1409 {
1410         u32 ret;
1411         int i;
1412
1413         ret = rtl8192_alloc_rx_desc_ring(priv);
1414         if (ret)
1415                 return ret;
1416
1417         /* general process for other queue */
1418         for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1419                 ret = rtl8192_alloc_tx_desc_ring(priv, i, priv->txringcount);
1420                 if (ret)
1421                         goto err_free_rings;
1422         }
1423
1424         return 0;
1425
1426 err_free_rings:
1427         rtl8192_free_rx_ring(priv);
1428         for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1429                 if (priv->tx_ring[i].desc)
1430                         rtl8192_free_tx_ring(priv, i);
1431         return 1;
1432 }
1433
1434 static void rtl8192_pci_resetdescring(struct r8192_priv *priv)
1435 {
1436     int i;
1437
1438     /* force the rx_idx to the first one */
1439     if(priv->rx_ring) {
1440         rx_desc_819x_pci *entry = NULL;
1441         for (i = 0; i < priv->rxringcount; i++) {
1442             entry = &priv->rx_ring[i];
1443             entry->OWN = 1;
1444         }
1445         priv->rx_idx = 0;
1446     }
1447
1448     /* after reset, release previous pending packet, and force the
1449      * tx idx to the first one */
1450     for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1451         if (priv->tx_ring[i].desc) {
1452             struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1453
1454             while (skb_queue_len(&ring->queue)) {
1455                 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1456                 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1457
1458                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1459                         skb->len, PCI_DMA_TODEVICE);
1460                 kfree_skb(skb);
1461                 ring->idx = (ring->idx + 1) % ring->entries;
1462             }
1463             ring->idx = 0;
1464         }
1465     }
1466 }
1467
1468 static void rtl8192_link_change(struct net_device *dev)
1469 {
1470         struct r8192_priv *priv = ieee80211_priv(dev);
1471         struct ieee80211_device* ieee = priv->ieee80211;
1472
1473         if (ieee->state == IEEE80211_LINKED)
1474         {
1475                 rtl8192_net_update(priv);
1476                 rtl8192_update_ratr_table(priv);
1477
1478                 //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
1479                 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1480                 EnableHWSecurityConfig8192(priv);
1481         }
1482         else
1483         {
1484                 write_nic_byte(priv, 0x173, 0);
1485         }
1486
1487         rtl8192_update_msr(priv);
1488
1489         // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1490         //      // To set CBSSID bit when link with any AP or STA.
1491         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1492         {
1493                 u32 reg = 0;
1494                 reg = read_nic_dword(priv, RCR);
1495                 if (priv->ieee80211->state == IEEE80211_LINKED)
1496                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1497                 else
1498                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1499                 write_nic_dword(priv, RCR, reg);
1500         }
1501 }
1502
1503
1504 static const struct ieee80211_qos_parameters def_qos_parameters = {
1505         {3,3,3,3},/* cw_min */
1506         {7,7,7,7},/* cw_max */
1507         {2,2,2,2},/* aifs */
1508         {0,0,0,0},/* flags */
1509         {0,0,0,0} /* tx_op_limit */
1510 };
1511
1512 static void rtl8192_update_beacon(struct work_struct * work)
1513 {
1514         struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1515         struct ieee80211_device* ieee = priv->ieee80211;
1516         struct ieee80211_network* net = &ieee->current_network;
1517
1518         if (ieee->pHTInfo->bCurrentHTSupport)
1519                 HTUpdateSelfAndPeerSetting(ieee, net);
1520         ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1521         rtl8192_update_cap(priv, net->capability);
1522 }
1523
1524 /*
1525 * background support to run QoS activate functionality
1526 */
1527 static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1528 static void rtl8192_qos_activate(struct work_struct * work)
1529 {
1530         struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1531         struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1532         u8 mode = priv->ieee80211->current_network.mode;
1533         u8  u1bAIFS;
1534         u32 u4bAcParam;
1535         int i;
1536
1537         mutex_lock(&priv->mutex);
1538         if(priv->ieee80211->state != IEEE80211_LINKED)
1539                 goto success;
1540         RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
1541         /* It better set slot time at first */
1542         /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1543         /* update the ac parameter to related registers */
1544         for(i = 0; i <  QOS_QUEUE_NUM; i++) {
1545                 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1546                 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
1547                 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
1548                                 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
1549                                 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
1550                                 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
1551                 write_nic_dword(priv, WDCAPARA_ADD[i], u4bAcParam);
1552         }
1553
1554 success:
1555         mutex_unlock(&priv->mutex);
1556 }
1557
1558 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1559                 int active_network,
1560                 struct ieee80211_network *network)
1561 {
1562         int ret = 0;
1563         u32 size = sizeof(struct ieee80211_qos_parameters);
1564
1565         if(priv->ieee80211->state !=IEEE80211_LINKED)
1566                 return ret;
1567
1568         if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1569                 return ret;
1570
1571         if (network->flags & NETWORK_HAS_QOS_MASK) {
1572                 if (active_network &&
1573                                 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1574                         network->qos_data.active = network->qos_data.supported;
1575
1576                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1577                                 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1578                                 (network->qos_data.old_param_count !=
1579                                  network->qos_data.param_count)) {
1580                         network->qos_data.old_param_count =
1581                                 network->qos_data.param_count;
1582                         queue_work(priv->priv_wq, &priv->qos_activate);
1583                         RT_TRACE (COMP_QOS, "QoS parameters change call "
1584                                         "qos_activate\n");
1585                 }
1586         } else {
1587                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1588                        &def_qos_parameters, size);
1589
1590                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1591                         queue_work(priv->priv_wq, &priv->qos_activate);
1592                         RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate\n");
1593                 }
1594                 network->qos_data.active = 0;
1595                 network->qos_data.supported = 0;
1596         }
1597
1598         return 0;
1599 }
1600
1601 /* handle manage frame frame beacon and probe response */
1602 static int rtl8192_handle_beacon(struct net_device * dev,
1603                               struct ieee80211_beacon * beacon,
1604                               struct ieee80211_network * network)
1605 {
1606         struct r8192_priv *priv = ieee80211_priv(dev);
1607
1608         rtl8192_qos_handle_probe_response(priv,1,network);
1609
1610         queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1611         return 0;
1612
1613 }
1614
1615 /*
1616  * handling the beaconing responses. if we get different QoS setting
1617  * off the network from the associated setting, adjust the QoS setting
1618  */
1619 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1620                                     struct ieee80211_network *network)
1621 {
1622         int ret = 0;
1623         unsigned long flags;
1624         u32 size = sizeof(struct ieee80211_qos_parameters);
1625         int set_qos_param = 0;
1626
1627         if ((priv == NULL) || (network == NULL))
1628                 return ret;
1629
1630         if (priv->ieee80211->state != IEEE80211_LINKED)
1631                 return ret;
1632
1633         if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1634                 return ret;
1635
1636         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1637         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1638                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1639                          &network->qos_data.parameters,
1640                         sizeof(struct ieee80211_qos_parameters));
1641                 priv->ieee80211->current_network.qos_data.active = 1;
1642                 set_qos_param = 1;
1643                 /* update qos parameter for current network */
1644                 priv->ieee80211->current_network.qos_data.old_param_count =
1645                         priv->ieee80211->current_network.qos_data.param_count;
1646                 priv->ieee80211->current_network.qos_data.param_count =
1647                         network->qos_data.param_count;
1648
1649         } else {
1650                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1651                        &def_qos_parameters, size);
1652                 priv->ieee80211->current_network.qos_data.active = 0;
1653                 priv->ieee80211->current_network.qos_data.supported = 0;
1654                 set_qos_param = 1;
1655         }
1656
1657         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1658
1659         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__,
1660                 network->flags, priv->ieee80211->current_network.qos_data.active);
1661         if (set_qos_param == 1)
1662                 queue_work(priv->priv_wq, &priv->qos_activate);
1663
1664         return ret;
1665 }
1666
1667
1668 static int rtl8192_handle_assoc_response(struct net_device *dev,
1669                                      struct ieee80211_assoc_response_frame *resp,
1670                                      struct ieee80211_network *network)
1671 {
1672         struct r8192_priv *priv = ieee80211_priv(dev);
1673         rtl8192_qos_association_resp(priv, network);
1674         return 0;
1675 }
1676
1677
1678 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1679 static void rtl8192_update_ratr_table(struct r8192_priv* priv)
1680 {
1681         struct ieee80211_device* ieee = priv->ieee80211;
1682         u8* pMcsRate = ieee->dot11HTOperationalRateSet;
1683         u32 ratr_value = 0;
1684         u8 rate_index = 0;
1685
1686         rtl8192_config_rate(priv, (u16*)(&ratr_value));
1687         ratr_value |= (*(u16*)(pMcsRate)) << 12;
1688
1689         switch (ieee->mode)
1690         {
1691                 case IEEE_A:
1692                         ratr_value &= 0x00000FF0;
1693                         break;
1694                 case IEEE_B:
1695                         ratr_value &= 0x0000000F;
1696                         break;
1697                 case IEEE_G:
1698                         ratr_value &= 0x00000FF7;
1699                         break;
1700                 case IEEE_N_24G:
1701                 case IEEE_N_5G:
1702                         if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
1703                                 ratr_value &= 0x0007F007;
1704                         else{
1705                                 if (priv->rf_type == RF_1T2R)
1706                                         ratr_value &= 0x000FF007;
1707                                 else
1708                                         ratr_value &= 0x0F81F007;
1709                         }
1710                         break;
1711                 default:
1712                         break;
1713         }
1714         ratr_value &= 0x0FFFFFFF;
1715         if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
1716                 ratr_value |= 0x80000000;
1717         }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
1718                 ratr_value |= 0x80000000;
1719         }
1720         write_nic_dword(priv, RATR0+rate_index*4, ratr_value);
1721         write_nic_byte(priv, UFWP, 1);
1722 }
1723
1724 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
1725 {
1726         struct r8192_priv *priv = ieee80211_priv(dev);
1727         struct ieee80211_device *ieee = priv->ieee80211;
1728
1729         return !(ieee->rtllib_ap_sec_type &&
1730                  (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP)));
1731 }
1732
1733 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
1734 {
1735         struct ieee80211_device* ieee = priv->ieee80211;
1736         //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1737         if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
1738         {
1739                 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
1740         }
1741         else
1742                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
1743 }
1744
1745 static u8 rtl8192_getSupportedWireleeMode(void)
1746 {
1747         return (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
1748 }
1749
1750 static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
1751 {
1752         struct r8192_priv *priv = ieee80211_priv(dev);
1753         u8 bSupportMode = rtl8192_getSupportedWireleeMode();
1754
1755         if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
1756         {
1757                 if(bSupportMode & WIRELESS_MODE_N_24G)
1758                 {
1759                         wireless_mode = WIRELESS_MODE_N_24G;
1760                 }
1761                 else if(bSupportMode & WIRELESS_MODE_N_5G)
1762                 {
1763                         wireless_mode = WIRELESS_MODE_N_5G;
1764                 }
1765                 else if((bSupportMode & WIRELESS_MODE_A))
1766                 {
1767                         wireless_mode = WIRELESS_MODE_A;
1768                 }
1769                 else if((bSupportMode & WIRELESS_MODE_G))
1770                 {
1771                         wireless_mode = WIRELESS_MODE_G;
1772                 }
1773                 else if((bSupportMode & WIRELESS_MODE_B))
1774                 {
1775                         wireless_mode = WIRELESS_MODE_B;
1776                 }
1777                 else{
1778                         RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
1779                         wireless_mode = WIRELESS_MODE_B;
1780                 }
1781         }
1782         priv->ieee80211->mode = wireless_mode;
1783
1784         if ((wireless_mode == WIRELESS_MODE_N_24G) ||  (wireless_mode == WIRELESS_MODE_N_5G))
1785                 priv->ieee80211->pHTInfo->bEnableHT = 1;
1786         else
1787                 priv->ieee80211->pHTInfo->bEnableHT = 0;
1788         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1789         rtl8192_refresh_supportrate(priv);
1790 }
1791
1792 static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
1793 {
1794         struct r8192_priv* priv = ieee80211_priv(dev);
1795         struct ieee80211_device* ieee = priv->ieee80211;
1796
1797         return ieee->bHalfWirelessN24GMode;
1798 }
1799
1800 static short rtl8192_is_tx_queue_empty(struct net_device *dev)
1801 {
1802         int i=0;
1803         struct r8192_priv *priv = ieee80211_priv(dev);
1804         for (i=0; i<=MGNT_QUEUE; i++)
1805         {
1806                 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1807                         continue;
1808                 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1809                         printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1810                         return 0;
1811                 }
1812         }
1813         return 1;
1814 }
1815
1816 static void rtl8192_hw_sleep_down(struct r8192_priv *priv)
1817 {
1818         MgntActSet_RF_State(priv, eRfSleep, RF_CHANGE_BY_PS);
1819 }
1820
1821 static void rtl8192_hw_wakeup(struct net_device* dev)
1822 {
1823         struct r8192_priv *priv = ieee80211_priv(dev);
1824         MgntActSet_RF_State(priv, eRfOn, RF_CHANGE_BY_PS);
1825 }
1826
1827 static void rtl8192_hw_wakeup_wq (struct work_struct *work)
1828 {
1829         struct delayed_work *dwork = container_of(work,struct delayed_work,work);
1830         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
1831         struct net_device *dev = ieee->dev;
1832         rtl8192_hw_wakeup(dev);
1833
1834 }
1835
1836 #define MIN_SLEEP_TIME 50
1837 #define MAX_SLEEP_TIME 10000
1838 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
1839 {
1840         struct r8192_priv *priv = ieee80211_priv(dev);
1841         u32 tmp;
1842         u32 rb = jiffies;
1843
1844         // Writing HW register with 0 equals to disable
1845         // the timer, that is not really what we want
1846         //
1847         tl -= MSECS(8+16+7);
1848
1849         // If the interval in witch we are requested to sleep is too
1850         // short then give up and remain awake
1851         // when we sleep after send null frame, the timer will be too short to sleep.
1852         //
1853         if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
1854                         ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
1855                 printk("too short to sleep::%x, %x, %lx\n",tl, rb,  MSECS(MIN_SLEEP_TIME));
1856                 return;
1857         }
1858
1859         if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
1860                         ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
1861                         ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
1862                 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb,  MSECS(MAX_SLEEP_TIME));
1863                 return;
1864         }
1865
1866         tmp = (tl>rb)?(tl-rb):(rb-tl);
1867         queue_delayed_work(priv->ieee80211->wq,
1868                            &priv->ieee80211->hw_wakeup_wq,tmp);
1869
1870         rtl8192_hw_sleep_down(priv);
1871 }
1872
1873 static void rtl8192_init_priv_variable(struct r8192_priv *priv)
1874 {
1875         u8 i;
1876         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
1877
1878         // Default Halt the NIC if RF is OFF.
1879         pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
1880         pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
1881         pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
1882         pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
1883         pPSC->bLeisurePs = true;
1884         priv->ieee80211->RegMaxLPSAwakeIntvl = 5;
1885         priv->bHwRadioOff = false;
1886
1887         priv->being_init_adapter = false;
1888         priv->txringcount = 64;//32;
1889         priv->rxbuffersize = 9100;//2048;//1024;
1890         priv->rxringcount = MAX_RX_COUNT;//64;
1891         priv->chan = 1; //set to channel 1
1892         priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1893         priv->RegChannelPlan = 0xf;
1894         priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
1895         priv->ieee80211->iw_mode = IW_MODE_INFRA;
1896         priv->ieee80211->ieee_up=0;
1897         priv->retry_rts = DEFAULT_RETRY_RTS;
1898         priv->retry_data = DEFAULT_RETRY_DATA;
1899         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
1900         priv->ieee80211->rate = 110; //11 mbps
1901         priv->ieee80211->short_slot = 1;
1902         priv->promisc = (priv->ieee80211->dev->flags & IFF_PROMISC) ? 1:0;
1903         priv->bcck_in_ch14 = false;
1904         priv->CCKPresentAttentuation = 0;
1905         priv->rfa_txpowertrackingindex = 0;
1906         priv->rfc_txpowertrackingindex = 0;
1907         priv->CckPwEnl = 6;
1908         //added by amy for silent reset
1909         priv->ResetProgress = RESET_TYPE_NORESET;
1910         priv->bForcedSilentReset = 0;
1911         priv->bDisableNormalResetCheck = false;
1912         priv->force_reset = false;
1913         //added by amy for power save
1914         priv->RfOffReason = 0;
1915         priv->bHwRfOffAction = 0;
1916         priv->PowerSaveControl.bInactivePs = true;
1917         priv->PowerSaveControl.bIPSModeBackup = false;
1918
1919         priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1920         priv->ieee80211->iw_mode = IW_MODE_INFRA;
1921         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
1922                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
1923                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
1924                 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //|  //IEEE_SOFTMAC_SINGLE_QUEUE;
1925
1926         priv->ieee80211->active_scan = 1;
1927         priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
1928         priv->ieee80211->host_encrypt = 1;
1929         priv->ieee80211->host_decrypt = 1;
1930         priv->ieee80211->start_send_beacons = rtl8192_start_beacon;//+by david 081107
1931         priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;//+by david 081107
1932         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1933         priv->ieee80211->set_chan = rtl8192_set_chan;
1934         priv->ieee80211->link_change = rtl8192_link_change;
1935         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1936         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
1937         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
1938         priv->ieee80211->init_wmmparam_flag = 0;
1939         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
1940         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
1941         priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
1942         priv->ieee80211->qos_support = 1;
1943         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
1944         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
1945         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
1946
1947         priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
1948         priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
1949         priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1950         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
1951         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
1952         priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
1953
1954         priv->ieee80211->InitialGainHandler = InitialGain819xPci;
1955
1956 #ifdef ENABLE_IPS
1957         priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
1958         priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
1959 #endif
1960 #ifdef ENABLE_LPS
1961         priv->ieee80211->LeisurePSLeave            = LeisurePSLeave;
1962 #endif
1963
1964         priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
1965         priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
1966
1967         priv->ShortRetryLimit = 0x30;
1968         priv->LongRetryLimit = 0x30;
1969
1970         priv->ReceiveConfig = RCR_ADD3  |
1971                 RCR_AMF | RCR_ADF |             //accept management/data
1972                 RCR_AICV |                      //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
1973                 RCR_AB | RCR_AM | RCR_APM |     //accept BC/MC/UC
1974                 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
1975                 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
1976
1977         priv->pFirmware = vzalloc(sizeof(rt_firmware));
1978
1979         /* rx related queue */
1980         skb_queue_head_init(&priv->skb_queue);
1981
1982         /* Tx related queue */
1983         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1984                 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
1985         }
1986         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1987                 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
1988         }
1989         priv->rf_set_chan = rtl8192_phy_SwChnl;
1990 }
1991
1992 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
1993 {
1994         spin_lock_init(&priv->irq_th_lock);
1995         spin_lock_init(&priv->rf_ps_lock);
1996         sema_init(&priv->wx_sem,1);
1997         sema_init(&priv->rf_sem,1);
1998         mutex_init(&priv->mutex);
1999 }
2000
2001 /* init tasklet and wait_queue here */
2002 #define DRV_NAME "wlan0"
2003 static void rtl8192_init_priv_task(struct r8192_priv *priv)
2004 {
2005         priv->priv_wq = create_workqueue(DRV_NAME);
2006
2007 #ifdef ENABLE_IPS
2008         INIT_WORK(&priv->ieee80211->ips_leave_wq, IPSLeave_wq);
2009 #endif
2010
2011         INIT_WORK(&priv->reset_wq,  rtl8192_restart);
2012         INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2013         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,  dm_txpower_trackingcallback);
2014         INIT_DELAYED_WORK(&priv->rfpath_check_wq,  dm_rf_pathcheck_workitemcallback);
2015         INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2016         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2017         INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, rtl8192_hw_wakeup_wq);
2018
2019         tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet,
2020                      (unsigned long) priv);
2021         tasklet_init(&priv->irq_tx_tasklet, rtl8192_irq_tx_tasklet,
2022                      (unsigned long) priv);
2023         tasklet_init(&priv->irq_prepare_beacon_tasklet, rtl8192_prepare_beacon,
2024                      (unsigned long) priv);
2025 }
2026
2027 static void rtl8192_get_eeprom_size(struct r8192_priv *priv)
2028 {
2029         u16 curCR = 0;
2030         RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2031         curCR = read_nic_dword(priv, EPROM_CMD);
2032         RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2033         //whether need I consider BIT5?
2034         priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2035         RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2036 }
2037
2038 /*
2039  * Adapter->EEPROMAddressSize should be set before this function call.
2040  *  EEPROM address size can be got through GetEEPROMSize8185()
2041  */
2042 static void rtl8192_read_eeprom_info(struct r8192_priv *priv)
2043 {
2044         struct net_device *dev = priv->ieee80211->dev;
2045         u8                      tempval;
2046         u8                      ICVer8192, ICVer8256;
2047         u16                     i,usValue, IC_Version;
2048         u16                     EEPROMId;
2049         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2050         RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2051
2052
2053         // TODO: I don't know if we need to apply EF function to EEPROM read function
2054
2055         //2 Read EEPROM ID to make sure autoload is success
2056         EEPROMId = eprom_read(priv, 0);
2057         if( EEPROMId != RTL8190_EEPROM_ID )
2058         {
2059                 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2060                 priv->AutoloadFailFlag=true;
2061         }
2062         else
2063         {
2064                 priv->AutoloadFailFlag=false;
2065         }
2066
2067         //
2068         // Assign Chip Version ID
2069         //
2070         // Read IC Version && Channel Plan
2071         if(!priv->AutoloadFailFlag)
2072         {
2073                 // VID, PID
2074                 priv->eeprom_vid = eprom_read(priv, (EEPROM_VID >> 1));
2075                 priv->eeprom_did = eprom_read(priv, (EEPROM_DID >> 1));
2076
2077                 usValue = eprom_read(priv, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2078                 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2079                 usValue = eprom_read(priv, (EEPROM_ICVersion_ChannelPlan>>1));
2080                 priv->eeprom_ChannelPlan = usValue&0xff;
2081                 IC_Version = ((usValue&0xff00)>>8);
2082
2083                 ICVer8192 = (IC_Version&0xf);           //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2084                 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2085                 RT_TRACE(COMP_INIT, "ICVer8192 = 0x%x\n", ICVer8192);
2086                 RT_TRACE(COMP_INIT, "ICVer8256 = 0x%x\n", ICVer8256);
2087                 if(ICVer8192 == 0x2)    //B-cut
2088                 {
2089                         if(ICVer8256 == 0x5) //E-cut
2090                                 priv->card_8192_version= VERSION_8190_BE;
2091                 }
2092
2093                 switch(priv->card_8192_version)
2094                 {
2095                         case VERSION_8190_BD:
2096                         case VERSION_8190_BE:
2097                                 break;
2098                         default:
2099                                 priv->card_8192_version = VERSION_8190_BD;
2100                                 break;
2101                 }
2102                 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2103         }
2104         else
2105         {
2106                 priv->card_8192_version = VERSION_8190_BD;
2107                 priv->eeprom_vid = 0;
2108                 priv->eeprom_did = 0;
2109                 priv->eeprom_CustomerID = 0;
2110                 priv->eeprom_ChannelPlan = 0;
2111                 RT_TRACE(COMP_INIT, "IC Version = 0x%x\n", 0xff);
2112         }
2113
2114         RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2115         RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2116         RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2117
2118         //2 Read Permanent MAC address
2119         if(!priv->AutoloadFailFlag)
2120         {
2121                 for(i = 0; i < 6; i += 2)
2122                 {
2123                         usValue = eprom_read(priv, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2124                         *(u16*)(&dev->dev_addr[i]) = usValue;
2125                 }
2126         } else {
2127                 // when auto load failed,  the last address byte set to be a random one.
2128                 // added by david woo.2007/11/7
2129                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2130         }
2131
2132         RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
2133
2134                 //2 TX Power Check EEPROM Fail or not
2135         if(priv->card_8192_version > VERSION_8190_BD) {
2136                 priv->bTXPowerDataReadFromEEPORM = true;
2137         } else {
2138                 priv->bTXPowerDataReadFromEEPORM = false;
2139         }
2140
2141         // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2142         priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2143
2144         if(priv->card_8192_version > VERSION_8190_BD)
2145         {
2146                 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2147                 if(!priv->AutoloadFailFlag)
2148                 {
2149                         tempval = (eprom_read(priv, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2150                         priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf;        // bit[3:0]
2151
2152                         if (tempval&0x80)       //RF-indication, bit[7]
2153                                 priv->rf_type = RF_1T2R;
2154                         else
2155                                 priv->rf_type = RF_2T4R;
2156                 }
2157                 else
2158                 {
2159                         priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2160                 }
2161                 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2162                         priv->EEPROMLegacyHTTxPowerDiff);
2163
2164                 // Read ThermalMeter from EEPROM
2165                 if(!priv->AutoloadFailFlag)
2166                 {
2167                         priv->EEPROMThermalMeter = (u8)(((eprom_read(priv, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2168                 }
2169                 else
2170                 {
2171                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2172                 }
2173                 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2174                 //vivi, for tx power track
2175                 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2176
2177                 if(priv->epromtype == EPROM_93c46)
2178                 {
2179                 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2180                 if(!priv->AutoloadFailFlag)
2181                 {
2182                                 usValue = eprom_read(priv, (EEPROM_TxPwDiff_CrystalCap>>1));
2183                                 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2184                                 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2185                 }
2186                 else
2187                 {
2188                                 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2189                                 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2190                 }
2191                         RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2192                         RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2193
2194                 //
2195                 // Get per-channel Tx Power Level
2196                 //
2197                 for(i=0; i<14; i+=2)
2198                 {
2199                         if(!priv->AutoloadFailFlag)
2200                         {
2201                                 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2202                         }
2203                         else
2204                         {
2205                                 usValue = EEPROM_Default_TxPower;
2206                         }
2207                         *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2208                         RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2209                         RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2210                 }
2211                 for(i=0; i<14; i+=2)
2212                 {
2213                         if(!priv->AutoloadFailFlag)
2214                         {
2215                                 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2216                         }
2217                         else
2218                         {
2219                                 usValue = EEPROM_Default_TxPower;
2220                         }
2221                         *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2222                         RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2223                         RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2224                 }
2225                 }
2226
2227                 //
2228                 // Update HAL variables.
2229                 //
2230                 if(priv->epromtype == EPROM_93c46)
2231                 {
2232                         for(i=0; i<14; i++)
2233                         {
2234                                 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2235                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
2236                         }
2237                         priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2238                 // Antenna B gain offset to antenna A, bit0~3
2239                         priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
2240                 // Antenna C gain offset to antenna A, bit4~7
2241                         priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
2242                 // Antenna D gain offset to antenna A, bit8~11
2243                         priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
2244                 // CrystalCap, bit12~15
2245                         priv->CrystalCap = priv->EEPROMCrystalCap;
2246                 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2247                         priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2248                         priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2249                 }
2250                 else if(priv->epromtype == EPROM_93c56)
2251                 {
2252                         for(i=0; i<3; i++)      // channel 1~3 use the same Tx Power Level.
2253                         {
2254                                 priv->TxPowerLevelCCK_A[i]  = priv->EEPROMRfACCKChnl1TxPwLevel[0];
2255                                 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
2256                                 priv->TxPowerLevelCCK_C[i] =  priv->EEPROMRfCCCKChnl1TxPwLevel[0];
2257                                 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
2258                         }
2259                         for(i=3; i<9; i++)      // channel 4~9 use the same Tx Power Level
2260                         {
2261                                 priv->TxPowerLevelCCK_A[i]  = priv->EEPROMRfACCKChnl1TxPwLevel[1];
2262                                 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
2263                                 priv->TxPowerLevelCCK_C[i] =  priv->EEPROMRfCCCKChnl1TxPwLevel[1];
2264                                 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
2265                         }
2266                         for(i=9; i<14; i++)     // channel 10~14 use the same Tx Power Level
2267                         {
2268                                 priv->TxPowerLevelCCK_A[i]  = priv->EEPROMRfACCKChnl1TxPwLevel[2];
2269                                 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
2270                                 priv->TxPowerLevelCCK_C[i] =  priv->EEPROMRfCCCKChnl1TxPwLevel[2];
2271                                 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
2272                         }
2273                         for(i=0; i<14; i++)
2274                                 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
2275                         for(i=0; i<14; i++)
2276                                 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
2277                         for(i=0; i<14; i++)
2278                                 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
2279                         for(i=0; i<14; i++)
2280                                 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
2281                         priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2282                         priv->AntennaTxPwDiff[0] = 0;
2283                         priv->AntennaTxPwDiff[1] = 0;
2284                         priv->AntennaTxPwDiff[2] = 0;
2285                         priv->CrystalCap = priv->EEPROMCrystalCap;
2286                         // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2287                         priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2288                         priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2289                 }
2290         }
2291
2292         if(priv->rf_type == RF_1T2R)
2293         {
2294                 RT_TRACE(COMP_INIT, "1T2R config\n");
2295         }
2296         else if (priv->rf_type == RF_2T4R)
2297         {
2298                 RT_TRACE(COMP_INIT, "2T4R config\n");
2299         }
2300
2301         // 2008/01/16 MH We can only know RF type in the function. So we have to init
2302         // DIG RATR table again.
2303         init_rate_adaptive(dev);
2304
2305         //1 Make a copy for following variables and we can change them if we want
2306
2307         if(priv->RegChannelPlan == 0xf)
2308         {
2309                 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2310         }
2311         else
2312         {
2313                 priv->ChannelPlan = priv->RegChannelPlan;
2314         }
2315
2316         //
2317         //  Used PID and DID to Set CustomerID
2318         //
2319         if( priv->eeprom_vid == 0x1186 &&  priv->eeprom_did == 0x3304 )
2320         {
2321                 priv->CustomerID =  RT_CID_DLINK;
2322         }
2323
2324         switch(priv->eeprom_CustomerID)
2325         {
2326                 case EEPROM_CID_DEFAULT:
2327                         priv->CustomerID = RT_CID_DEFAULT;
2328                         break;
2329                 case EEPROM_CID_CAMEO:
2330                         priv->CustomerID = RT_CID_819x_CAMEO;
2331                         break;
2332                 case  EEPROM_CID_RUNTOP:
2333                         priv->CustomerID = RT_CID_819x_RUNTOP;
2334                         break;
2335                 case EEPROM_CID_NetCore:
2336                         priv->CustomerID = RT_CID_819x_Netcore;
2337                         break;
2338                 case EEPROM_CID_TOSHIBA:        // Merge by Jacken, 2008/01/31
2339                         priv->CustomerID = RT_CID_TOSHIBA;
2340                         if(priv->eeprom_ChannelPlan&0x80)
2341                                 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
2342                         else
2343                                 priv->ChannelPlan = 0x0;
2344                         RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
2345                                 priv->ChannelPlan);
2346                         break;
2347                 case EEPROM_CID_Nettronix:
2348                         priv->CustomerID = RT_CID_Nettronix;
2349                         break;
2350                 case EEPROM_CID_Pronet:
2351                         priv->CustomerID = RT_CID_PRONET;
2352                         break;
2353                 case EEPROM_CID_DLINK:
2354                         priv->CustomerID = RT_CID_DLINK;
2355                         break;
2356
2357                 case EEPROM_CID_WHQL:
2358                         break;
2359                 default:
2360                         // value from RegCustomerID
2361                         break;
2362         }
2363
2364         //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2365         if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
2366                 priv->ChannelPlan = 0; //FCC
2367
2368         if( priv->eeprom_vid == 0x1186 &&  priv->eeprom_did == 0x3304)
2369                 priv->ieee80211->bSupportRemoteWakeUp = true;
2370         else
2371                 priv->ieee80211->bSupportRemoteWakeUp = false;
2372
2373
2374         RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
2375         RT_TRACE(COMP_INIT, "ChannelPlan = %d\n", priv->ChannelPlan);
2376         RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
2377 }
2378
2379
2380 static short rtl8192_get_channel_map(struct r8192_priv *priv)
2381 {
2382 #ifdef ENABLE_DOT11D
2383         if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
2384                 printk("rtl8180_init:Error channel plan! Set to default.\n");
2385                 priv->ChannelPlan= 0;
2386         }
2387         RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
2388
2389         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2390 #else
2391         int ch,i;
2392         //Set Default Channel Plan
2393         if(!channels){
2394                 DMESG("No channels, aborting");
2395                 return -1;
2396         }
2397         ch=channels;
2398         priv->ChannelPlan= 0;//hikaru
2399          // set channels 1..14 allowed in given locale
2400         for (i=1; i<=14; i++) {
2401                 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
2402                 ch >>= 1;
2403         }
2404 #endif
2405         return 0;
2406 }
2407
2408 static short rtl8192_init(struct r8192_priv *priv)
2409 {
2410         struct net_device *dev = priv->ieee80211->dev;
2411
2412         memset(&(priv->stats),0,sizeof(struct Stats));
2413         rtl8192_init_priv_variable(priv);
2414         rtl8192_init_priv_lock(priv);
2415         rtl8192_init_priv_task(priv);
2416         rtl8192_get_eeprom_size(priv);
2417         rtl8192_read_eeprom_info(priv);
2418         rtl8192_get_channel_map(priv);
2419         init_hal_dm(dev);
2420         init_timer(&priv->watch_dog_timer);
2421         priv->watch_dog_timer.data = (unsigned long)priv;
2422         priv->watch_dog_timer.function = watch_dog_timer_callback;
2423         if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, dev)) {
2424                 printk("Error allocating IRQ %d",dev->irq);
2425                 return -1;
2426         }else{
2427                 priv->irq=dev->irq;
2428                 printk("IRQ %d",dev->irq);
2429         }
2430         if (rtl8192_pci_initdescring(priv) != 0){
2431                 printk("Endopoints initialization failed");
2432                 return -1;
2433         }
2434
2435         return 0;
2436 }
2437
2438 /*
2439  * Actually only set RRSR, RATR and BW_OPMODE registers
2440  *  not to do all the hw config as its name says
2441  * This part need to modified according to the rate set we filtered
2442  */
2443 static void rtl8192_hwconfig(struct r8192_priv *priv)
2444 {
2445         u32 regRATR = 0, regRRSR = 0;
2446         u8 regBwOpMode = 0, regTmp = 0;
2447
2448 // Set RRSR, RATR, and BW_OPMODE registers
2449         //
2450         switch (priv->ieee80211->mode)
2451         {
2452         case WIRELESS_MODE_B:
2453                 regBwOpMode = BW_OPMODE_20MHZ;
2454                 regRATR = RATE_ALL_CCK;
2455                 regRRSR = RATE_ALL_CCK;
2456                 break;
2457         case WIRELESS_MODE_A:
2458                 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2459                 regRATR = RATE_ALL_OFDM_AG;
2460                 regRRSR = RATE_ALL_OFDM_AG;
2461                 break;
2462         case WIRELESS_MODE_G:
2463                 regBwOpMode = BW_OPMODE_20MHZ;
2464                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2465                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2466                 break;
2467         case WIRELESS_MODE_AUTO:
2468         case WIRELESS_MODE_N_24G:
2469                 // It support CCK rate by default.
2470                 // CCK rate will be filtered out only when associated AP does not support it.
2471                 regBwOpMode = BW_OPMODE_20MHZ;
2472                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2473                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2474                 break;
2475         case WIRELESS_MODE_N_5G:
2476                 regBwOpMode = BW_OPMODE_5G;
2477                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2478                 regRRSR = RATE_ALL_OFDM_AG;
2479                 break;
2480         }
2481
2482         write_nic_byte(priv, BW_OPMODE, regBwOpMode);
2483         {
2484                 u32 ratr_value = 0;
2485                 ratr_value = regRATR;
2486                 if (priv->rf_type == RF_1T2R)
2487                 {
2488                         ratr_value &= ~(RATE_ALL_OFDM_2SS);
2489                 }
2490                 write_nic_dword(priv, RATR0, ratr_value);
2491                 write_nic_byte(priv, UFWP, 1);
2492         }
2493         regTmp = read_nic_byte(priv, 0x313);
2494         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2495         write_nic_dword(priv, RRSR, regRRSR);
2496
2497         //
2498         // Set Retry Limit here
2499         //
2500         write_nic_word(priv, RETRY_LIMIT,
2501                         priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2502                         priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2503         // Set Contention Window here
2504
2505         // Set Tx AGC
2506
2507         // Set Tx Antenna including Feedback control
2508
2509         // Set Auto Rate fallback control
2510
2511
2512 }
2513
2514
2515 static RT_STATUS rtl8192_adapter_start(struct r8192_priv *priv)
2516 {
2517         struct net_device *dev = priv->ieee80211->dev;
2518         u32 ulRegRead;
2519         RT_STATUS rtStatus = RT_STATUS_SUCCESS;
2520         u8 tmpvalue;
2521         u8 ICVersion,SwitchingRegulatorOutput;
2522         bool bfirmwareok = true;
2523         u32     tmpRegA, tmpRegC, TempCCk;
2524         int     i =0;
2525
2526         RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
2527         priv->being_init_adapter = true;
2528         rtl8192_pci_resetdescring(priv);
2529         // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2530         priv->Rf_Mode = RF_OP_By_SW_3wire;
2531
2532         //dPLL on
2533         if(priv->ResetProgress == RESET_TYPE_NORESET)
2534         {
2535             write_nic_byte(priv, ANAPAR, 0x37);
2536             // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
2537             // Joseph increae the time to prevent firmware download fail
2538             mdelay(500);
2539         }
2540
2541         //PlatformSleepUs(10000);
2542         // For any kind of InitializeAdapter process, we shall use system now!!
2543         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2544
2545         //
2546         //3 //Config CPUReset Register
2547         //3//
2548         //3 Firmware Reset Or Not
2549         ulRegRead = read_nic_dword(priv, CPU_GEN);
2550         if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2551         {       //called from MPInitialized. do nothing
2552                 ulRegRead |= CPU_GEN_SYSTEM_RESET;
2553         }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2554                 ulRegRead |= CPU_GEN_FIRMWARE_RESET;    // Called from MPReset
2555         else
2556                 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__,   priv->pFirmware->firmware_status);
2557
2558         write_nic_dword(priv, CPU_GEN, ulRegRead);
2559
2560         //3//
2561         //3 //Fix the issue of E-cut high temperature issue
2562         //3//
2563         // TODO: E cut only
2564         ICVersion = read_nic_byte(priv, IC_VERRSION);
2565         if(ICVersion >= 0x4) //E-cut only
2566         {
2567                 // HW SD suggest that we should not wirte this register too often, so driver
2568                 // should readback this register. This register will be modified only when
2569                 // power on reset
2570                 SwitchingRegulatorOutput = read_nic_byte(priv, SWREGULATOR);
2571                 if(SwitchingRegulatorOutput  != 0xb8)
2572                 {
2573                         write_nic_byte(priv, SWREGULATOR, 0xa8);
2574                         mdelay(1);
2575                         write_nic_byte(priv, SWREGULATOR, 0xb8);
2576                 }
2577         }
2578
2579         //3//
2580         //3// Initialize BB before MAC
2581         //3//
2582         RT_TRACE(COMP_INIT, "BB Config Start!\n");
2583         rtStatus = rtl8192_BBConfig(priv);
2584         if(rtStatus != RT_STATUS_SUCCESS)
2585         {
2586                 RT_TRACE(COMP_ERR, "BB Config failed\n");
2587                 return rtStatus;
2588         }
2589         RT_TRACE(COMP_INIT,"BB Config Finished!\n");
2590
2591         //3//Set Loopback mode or Normal mode
2592         //3//
2593         //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
2594         //      because setting of System_Reset bit reset MAC to default transmission mode.
2595                 //Loopback mode or not
2596         priv->LoopbackMode = RTL819X_NO_LOOPBACK;
2597         if(priv->ResetProgress == RESET_TYPE_NORESET)
2598         {
2599         ulRegRead = read_nic_dword(priv, CPU_GEN);
2600         if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
2601         {
2602                 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
2603         }
2604         else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
2605         {
2606                 ulRegRead |= CPU_CCK_LOOPBACK;
2607         }
2608         else
2609         {
2610                 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
2611         }
2612
2613         //2008.06.03, for WOL
2614         //ulRegRead &= (~(CPU_GEN_GPIO_UART));
2615         write_nic_dword(priv, CPU_GEN, ulRegRead);
2616
2617         // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
2618         udelay(500);
2619         }
2620         //3Set Hardware(Do nothing now)
2621         rtl8192_hwconfig(priv);
2622         //2=======================================================
2623         // Common Setting for all of the FPGA platform. (part 1)
2624         //2=======================================================
2625         // If there is changes, please make sure it applies to all of the FPGA version
2626         //3 Turn on Tx/Rx
2627         write_nic_byte(priv, CMDR, CR_RE|CR_TE);
2628
2629         //2Set Tx dma burst
2630         write_nic_byte(priv, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
2631                                    (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
2632
2633         //set IDR0 here
2634         write_nic_dword(priv, MAC0, ((u32*)dev->dev_addr)[0]);
2635         write_nic_word(priv, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
2636         //set RCR
2637         write_nic_dword(priv, RCR, priv->ReceiveConfig);
2638
2639         //3 Initialize Number of Reserved Pages in Firmware Queue
2640                 write_nic_dword(priv, RQPN1,  NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2641                                         NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2642                                         NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2643                                         NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2644                 write_nic_dword(priv, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
2645                 write_nic_dword(priv, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
2646                                         NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
2647                                         NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
2648
2649         rtl8192_tx_enable(priv);
2650         rtl8192_rx_enable(priv);
2651         //3Set Response Rate Setting Register
2652         // CCK rate is supported by default.
2653         // CCK rate will be filtered out only when associated AP does not support it.
2654         ulRegRead = (0xFFF00000 & read_nic_dword(priv, RRSR))  | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
2655         write_nic_dword(priv, RRSR, ulRegRead);
2656         write_nic_dword(priv, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2657
2658         //2Set AckTimeout
2659         // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
2660         write_nic_byte(priv, ACK_TIMEOUT, 0x30);
2661
2662         if(priv->ResetProgress == RESET_TYPE_NORESET)
2663         rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2664         //-----------------------------------------------------------------------------
2665         // Set up security related. 070106, by rcnjko:
2666         // 1. Clear all H/W keys.
2667         // 2. Enable H/W encryption/decryption.
2668         //-----------------------------------------------------------------------------
2669         CamResetAllEntry(priv);
2670         {
2671                 u8 SECR_value = 0x0;
2672                 SECR_value |= SCR_TxEncEnable;
2673                 SECR_value |= SCR_RxDecEnable;
2674                 SECR_value |= SCR_NoSKMC;
2675                 write_nic_byte(priv, SECR, SECR_value);
2676         }
2677         //3Beacon related
2678         write_nic_word(priv, ATIMWND, 2);
2679         write_nic_word(priv, BCN_INTERVAL, 100);
2680         for (i=0; i<QOS_QUEUE_NUM; i++)
2681                 write_nic_dword(priv, WDCAPARA_ADD[i], 0x005e4332);
2682         //
2683         // Switching regulator controller: This is set temporarily.
2684         // It's not sure if this can be removed in the future.
2685         // PJ advised to leave it by default.
2686         //
2687         write_nic_byte(priv, 0xbe, 0xc0);
2688
2689         //2=======================================================
2690         // Set PHY related configuration defined in MAC register bank
2691         //2=======================================================
2692         rtl8192_phy_configmac(priv);
2693
2694         if (priv->card_8192_version > (u8) VERSION_8190_BD) {
2695                 rtl8192_phy_getTxPower(priv);
2696                 rtl8192_phy_setTxPower(priv, priv->chan);
2697         }
2698
2699         //if D or C cut
2700                 tmpvalue = read_nic_byte(priv, IC_VERRSION);
2701                 priv->IC_Cut = tmpvalue;
2702                 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
2703                 if(priv->IC_Cut >= IC_VersionCut_D)
2704                 {
2705                         //pHalData->bDcut = TRUE;
2706                         if(priv->IC_Cut == IC_VersionCut_D)
2707                                 RT_TRACE(COMP_INIT, "D-cut\n");
2708                         if(priv->IC_Cut == IC_VersionCut_E)
2709                         {
2710                                 RT_TRACE(COMP_INIT, "E-cut\n");
2711                                 // HW SD suggest that we should not wirte this register too often, so driver
2712                                 // should readback this register. This register will be modified only when
2713                                 // power on reset
2714                         }
2715                 }
2716                 else
2717                 {
2718                         //pHalData->bDcut = FALSE;
2719                         RT_TRACE(COMP_INIT, "Before C-cut\n");
2720                 }
2721
2722         //Firmware download
2723         RT_TRACE(COMP_INIT, "Load Firmware!\n");
2724         bfirmwareok = init_firmware(dev);
2725         if(bfirmwareok != true) {
2726                 rtStatus = RT_STATUS_FAILURE;
2727                 return rtStatus;
2728         }
2729         RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
2730
2731         //RF config
2732         if(priv->ResetProgress == RESET_TYPE_NORESET)
2733         {
2734         RT_TRACE(COMP_INIT, "RF Config Started!\n");
2735         rtStatus = rtl8192_phy_RFConfig(priv);
2736         if(rtStatus != RT_STATUS_SUCCESS)
2737         {
2738                 RT_TRACE(COMP_ERR, "RF Config failed\n");
2739                         return rtStatus;
2740         }
2741         RT_TRACE(COMP_INIT, "RF Config Finished!\n");
2742         }
2743         rtl8192_phy_updateInitGain(priv);
2744
2745         /*---- Set CCK and OFDM Block "ON"----*/
2746         rtl8192_setBBreg(priv, rFPGA0_RFMOD, bCCKEn, 0x1);
2747         rtl8192_setBBreg(priv, rFPGA0_RFMOD, bOFDMEn, 0x1);
2748
2749         //Enable Led
2750         write_nic_byte(priv, 0x87, 0x0);
2751
2752         //2=======================================================
2753         // RF Power Save
2754         //2=======================================================
2755 #ifdef ENABLE_IPS
2756
2757 {
2758         if(priv->RfOffReason > RF_CHANGE_BY_PS)
2759         { // H/W or S/W RF OFF before sleep.
2760                 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__,priv->RfOffReason);
2761                 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2762         }
2763         else if(priv->RfOffReason >= RF_CHANGE_BY_IPS)
2764         { // H/W or S/W RF OFF before sleep.
2765                 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n",  __FUNCTION__, priv->RfOffReason);
2766                 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2767         }
2768         else
2769         {
2770                 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
2771                 priv->eRFPowerState = eRfOn;
2772                 priv->RfOffReason = 0;
2773         }
2774 }
2775 #endif
2776         // We can force firmware to do RF-R/W
2777         if(priv->ieee80211->FwRWRF)
2778                 priv->Rf_Mode = RF_OP_By_FW;
2779         else
2780                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2781
2782         if(priv->ResetProgress == RESET_TYPE_NORESET)
2783         {
2784                 dm_initialize_txpower_tracking(priv);
2785
2786                 if(priv->IC_Cut >= IC_VersionCut_D)
2787                 {
2788                         tmpRegA = rtl8192_QueryBBReg(priv, rOFDM0_XATxIQImbalance, bMaskDWord);
2789                         tmpRegC = rtl8192_QueryBBReg(priv, rOFDM0_XCTxIQImbalance, bMaskDWord);
2790                         for(i = 0; i<TxBBGainTableLength; i++)
2791                         {
2792                                 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
2793                                 {
2794                                         priv->rfa_txpowertrackingindex= (u8)i;
2795                                         priv->rfa_txpowertrackingindex_real= (u8)i;
2796                                         priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
2797                                         break;
2798                                 }
2799                         }
2800
2801                 TempCCk = rtl8192_QueryBBReg(priv, rCCK0_TxFilter1, bMaskByte2);
2802
2803                 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
2804                 {
2805                         if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
2806                         {
2807                                 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
2808                                 break;
2809                         }
2810                 }
2811                 priv->CCKPresentAttentuation_40Mdefault = 0;
2812                 priv->CCKPresentAttentuation_difference = 0;
2813                 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
2814                         RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
2815                         RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
2816                         RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
2817                         RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
2818                         priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
2819                 }
2820         }
2821
2822         rtl8192_irq_enable(priv);
2823         priv->being_init_adapter = false;
2824         return rtStatus;
2825
2826 }
2827
2828 static void rtl8192_prepare_beacon(unsigned long arg)
2829 {
2830         struct r8192_priv *priv = (struct r8192_priv*) arg;
2831         struct sk_buff *skb;
2832         cb_desc *tcb_desc;
2833
2834         skb = ieee80211_get_beacon(priv->ieee80211);
2835         tcb_desc = (cb_desc *)(skb->cb + 8);
2836         /* prepare misc info for the beacon xmit */
2837         tcb_desc->queue_index = BEACON_QUEUE;
2838         /* IBSS does not support HT yet, use 1M defaultly */
2839         tcb_desc->data_rate = 2;
2840         tcb_desc->RATRIndex = 7;
2841         tcb_desc->bTxDisableRateFallBack = 1;
2842         tcb_desc->bTxUseDriverAssingedRate = 1;
2843
2844         skb_push(skb, priv->ieee80211->tx_headroom);
2845         if(skb){
2846                 rtl8192_tx(priv, skb);
2847         }
2848 }
2849
2850
2851 /*
2852  * configure registers for beacon tx and enables it via
2853  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
2854  * be used to stop beacon transmission
2855  */
2856 static void rtl8192_start_beacon(struct net_device *dev)
2857 {
2858         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
2859         struct ieee80211_network *net = &priv->ieee80211->current_network;
2860         u16 BcnTimeCfg = 0;
2861         u16 BcnCW = 6;
2862         u16 BcnIFS = 0xf;
2863
2864         DMESG("Enabling beacon TX");
2865         rtl8192_irq_disable(priv);
2866         //rtl8192_beacon_tx_enable(dev);
2867
2868         /* ATIM window */
2869         write_nic_word(priv, ATIMWND, 2);
2870
2871         /* Beacon interval (in unit of TU) */
2872         write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
2873
2874         /*
2875          * DrvErlyInt (in unit of TU).
2876          * (Time to send interrupt to notify driver to c
2877          * hange beacon content)
2878          * */
2879         write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
2880
2881         /*
2882          * BcnDMATIM(in unit of us).
2883          * Indicates the time before TBTT to perform beacon queue DMA
2884          * */
2885         write_nic_word(priv, BCN_DMATIME, 256);
2886
2887         /*
2888          * Force beacon frame transmission even after receiving
2889          * beacon frame from other ad hoc STA
2890          * */
2891         write_nic_byte(priv, BCN_ERR_THRESH, 100);
2892
2893         /* Set CW and IFS */
2894         BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
2895         BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
2896         write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
2897
2898
2899         /* enable the interrupt for ad-hoc process */
2900         rtl8192_irq_enable(priv);
2901 }
2902
2903 static bool HalRxCheckStuck8190Pci(struct r8192_priv *priv)
2904 {
2905         u16 RegRxCounter = read_nic_word(priv, 0x130);
2906         bool                            bStuck = FALSE;
2907
2908         RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
2909         // If rssi is small, we should check rx for long time because of bad rx.
2910         // or maybe it will continuous silent reset every 2 seconds.
2911         priv->rx_chk_cnt++;
2912         if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
2913         {
2914                 priv->rx_chk_cnt = 0;   /* high rssi, check rx stuck right now. */
2915         }
2916         else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
2917                 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
2918                 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
2919
2920         {
2921                 if(priv->rx_chk_cnt < 2)
2922                 {
2923                         return bStuck;
2924                 }
2925                 else
2926                 {
2927                         priv->rx_chk_cnt = 0;
2928                 }
2929         }
2930         else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
2931                 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
2932                 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
2933         {
2934                 if(priv->rx_chk_cnt < 4)
2935                 {
2936                         return bStuck;
2937                 }
2938                 else
2939                 {
2940                         priv->rx_chk_cnt = 0;
2941                 }
2942         }
2943         else
2944         {
2945                 if(priv->rx_chk_cnt < 8)
2946                 {
2947                         return bStuck;
2948                 }
2949                 else
2950                 {
2951                         priv->rx_chk_cnt = 0;
2952                 }
2953         }
2954         if(priv->RxCounter==RegRxCounter)
2955                 bStuck = TRUE;
2956
2957         priv->RxCounter = RegRxCounter;
2958
2959         return bStuck;
2960 }
2961
2962 static RESET_TYPE RxCheckStuck(struct r8192_priv *priv)
2963 {
2964
2965         if(HalRxCheckStuck8190Pci(priv))
2966         {
2967                 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
2968                 return RESET_TYPE_SILENT;
2969         }
2970
2971         return RESET_TYPE_NORESET;
2972 }
2973
2974 static RESET_TYPE
2975 rtl819x_ifcheck_resetornot(struct r8192_priv *priv)
2976 {
2977         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
2978         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
2979         RT_RF_POWER_STATE       rfState;
2980
2981         rfState = priv->eRFPowerState;
2982
2983         if( rfState != eRfOff &&
2984                 /*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/
2985                 (priv->ieee80211->iw_mode != IW_MODE_ADHOC))
2986         {
2987                 // If driver is in the status of firmware download failure , driver skips RF initialization and RF is
2988                 // in turned off state. Driver should check whether Rx stuck and do silent reset. And
2989                 // if driver is in firmware download failure status, driver should initialize RF in the following
2990                 // silent reset procedure Emily, 2008.01.21
2991
2992                 // Driver should not check RX stuck in IBSS mode because it is required to
2993                 // set Check BSSID in order to send beacon, however, if check BSSID is
2994                 // set, STA cannot hear any packet a all. Emily, 2008.04.12
2995                 RxResetType = RxCheckStuck(priv);
2996         }
2997
2998         RT_TRACE(COMP_RESET,"%s(): TxResetType is %d, RxResetType is %d\n",__FUNCTION__,TxResetType,RxResetType);
2999         if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL)
3000                 return RESET_TYPE_NORMAL;
3001         else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT)
3002                 return RESET_TYPE_SILENT;
3003         else
3004                 return RESET_TYPE_NORESET;
3005
3006 }
3007
3008 #ifdef ENABLE_IPS
3009 static void InactivePsWorkItemCallback(struct r8192_priv *priv)
3010 {
3011         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3012
3013         RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() --------->\n");
3014         //
3015         // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
3016         // is really scheduled.
3017         // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3018         // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3019         // blocks the IPS procedure of switching RF.
3020         // By Bruce, 2007-12-25.
3021         //
3022         pPSC->bSwRfProcessing = TRUE;
3023
3024         RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3025                         pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
3026
3027
3028         MgntActSet_RF_State(priv, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
3029
3030         //
3031         // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3032         //
3033         pPSC->bSwRfProcessing = FALSE;
3034         RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <---------\n");
3035 }
3036
3037 #ifdef ENABLE_LPS
3038 /* Change current and default preamble mode. */
3039 bool MgntActSet_802_11_PowerSaveMode(struct r8192_priv *priv, u8 rtPsMode)
3040 {
3041
3042         // Currently, we do not change power save mode on IBSS mode.
3043         if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3044         {
3045                 return false;
3046         }
3047
3048         //
3049         // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3050         // some AP will not response to our mgnt frames with PwrMgt bit set,
3051         // e.g. cannot associate the AP.
3052         // So I commented out it. 2005.02.16, by rcnjko.
3053         //
3054 //      // Change device's power save mode.
3055 //      Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3056
3057         // Update power save mode configured.
3058         //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3059         if(!priv->ps_force) {
3060                 priv->ieee80211->ps = rtPsMode;
3061         }
3062
3063         // Awake immediately
3064         if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
3065         {
3066                 // Notify the AP we awke.
3067                 rtl8192_hw_wakeup(priv->ieee80211->dev);
3068                 priv->ieee80211->sta_sleep = 0;
3069
3070                 spin_lock(&priv->ieee80211->mgmt_tx_lock);
3071                 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3072                 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
3073                 spin_unlock(&priv->ieee80211->mgmt_tx_lock);
3074         }
3075
3076         return true;
3077 }
3078
3079 /* Enter the leisure power save mode. */
3080 void LeisurePSEnter(struct net_device *dev)
3081 {
3082         struct r8192_priv *priv = ieee80211_priv(dev);
3083         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3084
3085         if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
3086                 (priv->ieee80211->state == IEEE80211_LINKED)) ||
3087                 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
3088                 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
3089                 return;
3090
3091         if (pPSC->bLeisurePs)
3092         {
3093                 // Idle for a while if we connect to AP a while ago.
3094                 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) //  4 Sec
3095                 {
3096
3097                         if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
3098                         {
3099                                 MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
3100
3101                         }
3102                 }
3103                 else
3104                         pPSC->LpsIdleCount++;
3105         }
3106 }
3107
3108
3109 /* Leave leisure power save mode. */
3110 void LeisurePSLeave(struct net_device *dev)
3111 {
3112         struct r8192_priv *priv = ieee80211_priv(dev);
3113         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3114
3115         if (pPSC->bLeisurePs)
3116         {
3117                 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
3118                 {
3119                         // move to lps_wakecomplete()
3120                         MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_DISABLED);
3121
3122                 }
3123         }
3124 }
3125 #endif
3126
3127
3128 /* Enter the inactive power save mode. RF will be off */
3129 void IPSEnter(struct r8192_priv *priv)
3130 {
3131         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3132         RT_RF_POWER_STATE                       rtState;
3133
3134         if (pPSC->bInactivePs)
3135         {
3136                 rtState = priv->eRFPowerState;
3137                 //
3138                 // Added by Bruce, 2007-12-25.
3139                 // Do not enter IPS in the following conditions:
3140                 // (1) RF is already OFF or Sleep
3141                 // (2) bSwRfProcessing (indicates the IPS is still under going)
3142                 // (3) Connectted (only disconnected can trigger IPS)
3143                 // (4) IBSS (send Beacon)
3144                 // (5) AP mode (send Beacon)
3145                 //
3146                 if (rtState == eRfOn && !pPSC->bSwRfProcessing
3147                         && (priv->ieee80211->state != IEEE80211_LINKED) )
3148                 {
3149                         RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
3150                         pPSC->eInactivePowerState = eRfOff;
3151 //                      queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
3152                         InactivePsWorkItemCallback(priv);
3153                 }
3154         }
3155 }
3156
3157 //
3158 //      Description:
3159 //              Leave the inactive power save mode, RF will be on.
3160 //      2007.08.17, by shien chang.
3161 //
3162 void IPSLeave(struct r8192_priv *priv)
3163 {
3164         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3165         RT_RF_POWER_STATE       rtState;
3166
3167         if (pPSC->bInactivePs)
3168         {
3169                 rtState = priv->eRFPowerState;
3170                 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->RfOffReason <= RF_CHANGE_BY_IPS)
3171                 {
3172                         RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
3173                         pPSC->eInactivePowerState = eRfOn;
3174                         InactivePsWorkItemCallback(priv);
3175                 }
3176         }
3177 }
3178
3179 void IPSLeave_wq(struct work_struct *work)
3180 {
3181         struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ips_leave_wq);
3182         struct net_device *dev = ieee->dev;
3183
3184         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3185         down(&priv->ieee80211->ips_sem);
3186         IPSLeave(priv);
3187         up(&priv->ieee80211->ips_sem);
3188 }
3189
3190 void ieee80211_ips_leave_wq(struct net_device *dev)
3191 {
3192         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3193         RT_RF_POWER_STATE       rtState;
3194         rtState = priv->eRFPowerState;
3195
3196         if (priv->PowerSaveControl.bInactivePs){
3197                 if(rtState == eRfOff){
3198                         if(priv->RfOffReason > RF_CHANGE_BY_IPS)
3199                         {
3200                                 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
3201                                 return;
3202                         }
3203                         else{
3204                                 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
3205                                 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
3206                         }
3207                 }
3208         }
3209 }
3210 //added by amy 090331 end
3211 void ieee80211_ips_leave(struct net_device *dev)
3212 {
3213         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3214         down(&priv->ieee80211->ips_sem);
3215         IPSLeave(priv);
3216         up(&priv->ieee80211->ips_sem);
3217 }
3218 #endif
3219
3220 static void rtl819x_update_rxcounts(
3221         struct r8192_priv *priv,
3222         u32* TotalRxBcnNum,
3223         u32* TotalRxDataNum
3224 )
3225 {
3226         u16                     SlotIndex;
3227         u8                      i;
3228
3229         *TotalRxBcnNum = 0;
3230         *TotalRxDataNum = 0;
3231
3232         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
3233         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3234         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3235         for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
3236                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3237                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3238         }
3239 }
3240
3241
3242 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3243 {
3244         struct delayed_work *dwork = container_of(work,struct delayed_work,work);
3245        struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
3246         struct net_device *dev = priv->ieee80211->dev;
3247         struct ieee80211_device* ieee = priv->ieee80211;
3248         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3249         bool bBusyTraffic = false;
3250         bool bEnterPS = false;
3251
3252         if ((!priv->up) || priv->bHwRadioOff)
3253                 return;
3254
3255         if(!priv->up)
3256                 return;
3257         hal_dm_watchdog(dev);
3258 #ifdef ENABLE_IPS
3259         if(ieee->actscanning == false){
3260                 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&
3261                     (priv->eRFPowerState == eRfOn) && !ieee->is_set_key &&
3262                     (!ieee->proto_stoppping) && !ieee->wx_set_enc){
3263                         if (priv->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
3264                                 IPSEnter(priv);
3265                         }
3266                 }
3267         }
3268 #endif
3269         {//to get busy traffic condition
3270                 if(ieee->state == IEEE80211_LINKED)
3271                 {
3272                         if(     ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
3273                                 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
3274                                 bBusyTraffic = true;
3275                         }
3276
3277 #ifdef ENABLE_LPS
3278                         //added by amy for Leisure PS
3279                         if(     ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
3280                                 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
3281                         {
3282                                 bEnterPS= false;
3283                         }
3284                         else
3285                         {
3286                                 bEnterPS= true;
3287                         }
3288
3289                         // LeisurePS only work in infra mode.
3290                         if(bEnterPS)
3291                         {
3292                                 LeisurePSEnter(dev);
3293                         }
3294                         else
3295                         {
3296                                 LeisurePSLeave(dev);
3297                         }
3298 #endif
3299
3300                 }
3301                 else
3302                 {
3303 #ifdef ENABLE_LPS
3304                         LeisurePSLeave(dev);
3305 #endif
3306                 }
3307
3308                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3309                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3310                 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
3311                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3312         }
3313
3314
3315         //added by amy for AP roaming
3316                 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3317                 {
3318                         u32     TotalRxBcnNum = 0;
3319                         u32     TotalRxDataNum = 0;
3320
3321                         rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3322                         if((TotalRxBcnNum+TotalRxDataNum) == 0)
3323                         {
3324                                 if (priv->eRFPowerState == eRfOff)
3325                                         RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
3326                                 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
3327                                 //              Dot11d_Reset(dev);
3328                                 ieee->state = IEEE80211_ASSOCIATING;
3329                                 notify_wx_assoc_event(priv->ieee80211);
3330                                 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
3331                                 ieee->is_roaming = true;
3332                                 ieee->is_set_key = false;
3333                                 ieee->link_change(dev);
3334                                 queue_work(ieee->wq, &ieee->associate_procedure_wq);
3335                         }
3336                 }
3337               ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
3338               ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
3339
3340         //check if reset the driver
3341         if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming &&
3342             priv->watchdog_last_time != 1)
3343         {
3344                 ResetType = rtl819x_ifcheck_resetornot(priv);
3345                 priv->watchdog_check_reset_cnt = 3;
3346         }
3347         if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
3348         {
3349                 priv->ResetProgress = RESET_TYPE_NORMAL;
3350                 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
3351                 return;
3352         }
3353         /* disable silent reset temply 2008.9.11*/
3354
3355         if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
3356         {
3357                 priv->watchdog_last_time = 1;
3358         }
3359         else
3360                 priv->watchdog_last_time = 0;
3361
3362         priv->force_reset = false;
3363         priv->bForcedSilentReset = false;
3364         priv->bResetInProgress = false;
3365         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3366
3367 }
3368
3369 void watch_dog_timer_callback(unsigned long data)
3370 {
3371         struct r8192_priv *priv = (struct r8192_priv *) data;
3372         queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
3373         mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
3374
3375 }
3376
3377 static int _rtl8192_up(struct r8192_priv *priv)
3378 {
3379         RT_STATUS init_status = RT_STATUS_SUCCESS;
3380         struct net_device *dev = priv->ieee80211->dev;
3381
3382         priv->up=1;
3383         priv->ieee80211->ieee_up=1;
3384         priv->bdisable_nic = false;  //YJ,add,091111
3385         RT_TRACE(COMP_INIT, "Bringing up iface\n");
3386
3387         init_status = rtl8192_adapter_start(priv);
3388         if(init_status != RT_STATUS_SUCCESS)
3389         {
3390                 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
3391                 return -1;
3392         }
3393         RT_TRACE(COMP_INIT, "start adapter finished\n");
3394
3395         if (priv->eRFPowerState != eRfOn)
3396                 MgntActSet_RF_State(priv, eRfOn, priv->RfOffReason);
3397
3398         if(priv->ieee80211->state != IEEE80211_LINKED)
3399         ieee80211_softmac_start_protocol(priv->ieee80211);
3400         ieee80211_reset_queue(priv->ieee80211);
3401         watch_dog_timer_callback((unsigned long) priv);
3402         if(!netif_queue_stopped(dev))
3403                 netif_start_queue(dev);
3404         else
3405                 netif_wake_queue(dev);
3406
3407         return 0;
3408 }
3409
3410
3411 static int rtl8192_open(struct net_device *dev)
3412 {
3413         struct r8192_priv *priv = ieee80211_priv(dev);
3414         int ret;
3415
3416         down(&priv->wx_sem);
3417         ret = rtl8192_up(dev);
3418         up(&priv->wx_sem);
3419         return ret;
3420
3421 }
3422
3423
3424 int rtl8192_up(struct net_device *dev)
3425 {
3426         struct r8192_priv *priv = ieee80211_priv(dev);
3427
3428         if (priv->up == 1) return -1;
3429
3430         return _rtl8192_up(priv);
3431 }
3432
3433
3434 static int rtl8192_close(struct net_device *dev)
3435 {
3436         struct r8192_priv *priv = ieee80211_priv(dev);
3437         int ret;
3438
3439         down(&priv->wx_sem);
3440
3441         ret = rtl8192_down(dev);
3442
3443         up(&priv->wx_sem);
3444
3445         return ret;
3446
3447 }
3448
3449 int rtl8192_down(struct net_device *dev)
3450 {
3451         struct r8192_priv *priv = ieee80211_priv(dev);
3452
3453         if (priv->up == 0) return -1;
3454
3455 #ifdef ENABLE_LPS
3456         //LZM for PS-Poll AID issue. 090429
3457         if(priv->ieee80211->state == IEEE80211_LINKED)
3458                 LeisurePSLeave(dev);
3459 #endif
3460
3461         priv->up=0;
3462         priv->ieee80211->ieee_up = 0;
3463         RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
3464 /* FIXME */
3465         if (!netif_queue_stopped(dev))
3466                 netif_stop_queue(dev);
3467
3468         rtl8192_irq_disable(priv);
3469         rtl8192_cancel_deferred_work(priv);
3470         deinit_hal_dm(dev);
3471         del_timer_sync(&priv->watch_dog_timer);
3472
3473         ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3474
3475         rtl8192_halt_adapter(priv, false);
3476         memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
3477
3478         RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
3479
3480         return 0;
3481 }
3482
3483
3484 void rtl8192_commit(struct r8192_priv *priv)
3485 {
3486         if (priv->up == 0) return ;
3487
3488
3489         ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3490
3491         rtl8192_irq_disable(priv);
3492         rtl8192_halt_adapter(priv, true);
3493         _rtl8192_up(priv);
3494 }
3495
3496 static void rtl8192_restart(struct work_struct *work)
3497 {
3498         struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
3499
3500         down(&priv->wx_sem);
3501
3502         rtl8192_commit(priv);
3503
3504         up(&priv->wx_sem);
3505 }
3506
3507 static void r8192_set_multicast(struct net_device *dev)
3508 {
3509         struct r8192_priv *priv = ieee80211_priv(dev);
3510
3511         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3512 }
3513
3514
3515 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3516 {
3517         struct r8192_priv *priv = ieee80211_priv(dev);
3518         struct sockaddr *addr = mac;
3519
3520         down(&priv->wx_sem);
3521
3522         memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
3523
3524         schedule_work(&priv->reset_wq);
3525         up(&priv->wx_sem);
3526
3527         return 0;
3528 }
3529
3530 static void r8192e_set_hw_key(struct r8192_priv *priv, struct ieee_param *ipw)
3531 {
3532         struct ieee80211_device *ieee = priv->ieee80211;
3533         u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
3534         u32 key[4];
3535
3536         if (ipw->u.crypt.set_tx) {
3537                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3538                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3539                 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3540                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3541                 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3542                         if (ipw->u.crypt.key_len == 13)
3543                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3544                         else if (ipw->u.crypt.key_len == 5)
3545                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3546                 } else
3547                         ieee->pairwise_key_type = KEY_TYPE_NA;
3548
3549                 if (ieee->pairwise_key_type) {
3550                         memcpy(key, ipw->u.crypt.key, 16);
3551                         EnableHWSecurityConfig8192(priv);
3552                         /*
3553                          * We fill both index entry and 4th entry for pairwise
3554                          * key as in IPW interface, adhoc will only get here,
3555                          * so we need index entry for its default key serching!
3556                          */
3557                         setKey(priv, 4, ipw->u.crypt.idx,
3558                                ieee->pairwise_key_type,
3559                                (u8*)ieee->ap_mac_addr, 0, key);
3560
3561                         /* LEAP WEP will never set this. */
3562                         if (ieee->auth_mode != 2)
3563                                 setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx,
3564                                        ieee->pairwise_key_type,
3565                                        (u8*)ieee->ap_mac_addr, 0, key);
3566                 }
3567                 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
3568                     ieee->pHTInfo->bCurrentHTSupport) {
3569                         write_nic_byte(priv, 0x173, 1); /* fix aes bug */
3570                 }
3571         } else {
3572                 memcpy(key, ipw->u.crypt.key, 16);
3573                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3574                         ieee->group_key_type= KEY_TYPE_CCMP;
3575                 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3576                         ieee->group_key_type = KEY_TYPE_TKIP;
3577                 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3578                         if (ipw->u.crypt.key_len == 13)
3579                                 ieee->group_key_type = KEY_TYPE_WEP104;
3580                         else if (ipw->u.crypt.key_len == 5)
3581                                 ieee->group_key_type = KEY_TYPE_WEP40;
3582                 } else
3583                         ieee->group_key_type = KEY_TYPE_NA;
3584
3585                 if (ieee->group_key_type) {
3586                         setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx,
3587                                ieee->group_key_type, broadcast_addr, 0, key);
3588                 }
3589         }
3590 }
3591
3592 /* based on ipw2200 driver */
3593 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3594 {
3595         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3596         struct iwreq *wrq = (struct iwreq *)rq;
3597         int ret=-1;
3598         struct iw_point *p = &wrq->u.data;
3599         struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
3600
3601         down(&priv->wx_sem);
3602
3603
3604      if (p->length < sizeof(struct ieee_param) || !p->pointer){
3605              ret = -EINVAL;
3606              goto out;
3607      }
3608
3609      ipw = kmalloc(p->length, GFP_KERNEL);
3610      if (ipw == NULL){
3611              ret = -ENOMEM;
3612              goto out;
3613      }
3614      if (copy_from_user(ipw, p->pointer, p->length)) {
3615             kfree(ipw);
3616             ret = -EFAULT;
3617             goto out;
3618      }
3619
3620         switch (cmd) {
3621         case RTL_IOCTL_WPA_SUPPLICANT:
3622                 /* parse here for HW security */
3623                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
3624                         r8192e_set_hw_key(priv, ipw);
3625                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
3626                 break;
3627
3628         default:
3629                 ret = -EOPNOTSUPP;
3630                 break;
3631         }
3632
3633         kfree(ipw);
3634 out:
3635         up(&priv->wx_sem);
3636
3637         return ret;
3638 }
3639
3640 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3641 {
3642         u8  ret_rate = 0x02;
3643
3644         if(!bIsHT) {
3645                 switch(rate) {
3646                         case DESC90_RATE1M:   ret_rate = MGN_1M;         break;
3647                         case DESC90_RATE2M:   ret_rate = MGN_2M;         break;
3648                         case DESC90_RATE5_5M: ret_rate = MGN_5_5M;       break;
3649                         case DESC90_RATE11M:  ret_rate = MGN_11M;        break;
3650                         case DESC90_RATE6M:   ret_rate = MGN_6M;         break;
3651                         case DESC90_RATE9M:   ret_rate = MGN_9M;         break;
3652                         case DESC90_RATE12M:  ret_rate = MGN_12M;        break;
3653                         case DESC90_RATE18M:  ret_rate = MGN_18M;        break;
3654                         case DESC90_RATE24M:  ret_rate = MGN_24M;        break;
3655                         case DESC90_RATE36M:  ret_rate = MGN_36M;        break;
3656                         case DESC90_RATE48M:  ret_rate = MGN_48M;        break;
3657                         case DESC90_RATE54M:  ret_rate = MGN_54M;        break;
3658
3659                         default:
3660                                               RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
3661                                               break;
3662                 }
3663
3664         } else {
3665                 switch(rate) {
3666                         case DESC90_RATEMCS0:   ret_rate = MGN_MCS0;    break;
3667                         case DESC90_RATEMCS1:   ret_rate = MGN_MCS1;    break;
3668                         case DESC90_RATEMCS2:   ret_rate = MGN_MCS2;    break;
3669                         case DESC90_RATEMCS3:   ret_rate = MGN_MCS3;    break;
3670                         case DESC90_RATEMCS4:   ret_rate = MGN_MCS4;    break;
3671                         case DESC90_RATEMCS5:   ret_rate = MGN_MCS5;    break;
3672                         case DESC90_RATEMCS6:   ret_rate = MGN_MCS6;    break;
3673                         case DESC90_RATEMCS7:   ret_rate = MGN_MCS7;    break;
3674                         case DESC90_RATEMCS8:   ret_rate = MGN_MCS8;    break;
3675                         case DESC90_RATEMCS9:   ret_rate = MGN_MCS9;    break;
3676                         case DESC90_RATEMCS10:  ret_rate = MGN_MCS10;   break;
3677                         case DESC90_RATEMCS11:  ret_rate = MGN_MCS11;   break;
3678                         case DESC90_RATEMCS12:  ret_rate = MGN_MCS12;   break;
3679                         case DESC90_RATEMCS13:  ret_rate = MGN_MCS13;   break;
3680                         case DESC90_RATEMCS14:  ret_rate = MGN_MCS14;   break;
3681                         case DESC90_RATEMCS15:  ret_rate = MGN_MCS15;   break;
3682                         case DESC90_RATEMCS32:  ret_rate = (0x80|0x20); break;
3683
3684                         default:
3685                                                 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
3686                                                 break;
3687                 }
3688         }
3689
3690         return ret_rate;
3691 }
3692
3693 /* Record the TSF time stamp when receiving a packet */
3694 static void UpdateRxPktTimeStamp8190(struct r8192_priv *priv, struct ieee80211_rx_stats *stats)
3695 {
3696
3697         if(stats->bIsAMPDU && !stats->bFirstMPDU) {
3698                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3699                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3700         } else {
3701                 priv->LastRxDescTSFLow = stats->mac_time[0];
3702                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3703         }
3704 }
3705
3706 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
3707 {
3708         long    signal_power; // in dBm.
3709
3710         // Translate to dBm (x=0.5y-95).
3711         signal_power = (long)((signal_strength_index + 1) >> 1);
3712         signal_power -= 95;
3713
3714         return signal_power;
3715 }
3716
3717 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
3718         be a local static. Otherwise, it may increase when we return from S3/S4. The
3719         value will be kept in memory or disk. We must delcare the value in adapter
3720         and it will be reinitialized when return from S3/S4. */
3721 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
3722 {
3723         bool bcheck = false;
3724         u8      rfpath;
3725         u32 nspatial_stream, tmp_val;
3726         static u32 slide_rssi_index=0, slide_rssi_statistics=0;
3727         static u32 slide_evm_index=0, slide_evm_statistics=0;
3728         static u32 last_rssi=0, last_evm=0;
3729         //cosa add for beacon rssi smoothing
3730         static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
3731         static u32 last_beacon_adc_pwdb=0;
3732
3733         struct ieee80211_hdr_3addr *hdr;
3734         u16 sc ;
3735         unsigned int frag,seq;
3736         hdr = (struct ieee80211_hdr_3addr *)buffer;
3737         sc = le16_to_cpu(hdr->seq_ctl);
3738         frag = WLAN_GET_SEQ_FRAG(sc);
3739         seq = WLAN_GET_SEQ_SEQ(sc);
3740
3741         //
3742         // Check whether we should take the previous packet into accounting
3743         //
3744         if(!pprevious_stats->bIsAMPDU)
3745         {
3746                 // if previous packet is not aggregated packet
3747                 bcheck = true;
3748         }
3749
3750         if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
3751         {
3752                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3753                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3754                 priv->stats.slide_rssi_total -= last_rssi;
3755         }
3756         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3757
3758         priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
3759         if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3760                 slide_rssi_index = 0;
3761
3762         // <1> Showed on UI for user, in dbm
3763         tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
3764         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3765         pcurrent_stats->rssi = priv->stats.signal_strength;
3766         //
3767         // If the previous packet does not match the criteria, neglect it
3768         //
3769         if(!pprevious_stats->bPacketMatchBSSID)
3770         {
3771                 if(!pprevious_stats->bToSelfBA)
3772                         return;
3773         }
3774
3775         if(!bcheck)
3776                 return;
3777
3778         // <2> Showed on UI for engineering
3779         // hardware does not provide rssi information for each rf path in CCK
3780         if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
3781         {
3782                 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
3783                 {
3784                         if (!rtl8192_phy_CheckIsLegalRFPath(priv, rfpath))
3785                                 continue;
3786                         RT_TRACE(COMP_DBG, "pPreviousstats->RxMIMOSignalStrength[rfpath] = %d\n", pprevious_stats->RxMIMOSignalStrength[rfpath]);
3787                         //Fixed by Jacken 2008-03-20
3788                         if(priv->stats.rx_rssi_percentage[rfpath] == 0)
3789                         {
3790                                 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
3791                         }
3792                         if(pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath])
3793                         {
3794                                 priv->stats.rx_rssi_percentage[rfpath] =
3795                                         ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3796                                         (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3797                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
3798                         }
3799                         else
3800                         {
3801                                 priv->stats.rx_rssi_percentage[rfpath] =
3802                                         ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3803                                         (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3804                         }
3805                         RT_TRACE(COMP_DBG, "priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" , priv->stats.rx_rssi_percentage[rfpath]);
3806                 }
3807         }
3808
3809
3810         //
3811         // Check PWDB.
3812         //
3813         //cosa add for beacon rssi smoothing by average.
3814         if(pprevious_stats->bPacketBeacon)
3815         {
3816                 /* record the beacon pwdb to the sliding window. */
3817                 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3818                 {
3819                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
3820                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
3821                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
3822                         //      slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
3823                 }
3824                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
3825                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
3826                 slide_beacon_adc_pwdb_index++;
3827                 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3828                         slide_beacon_adc_pwdb_index = 0;
3829                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
3830                 if(pprevious_stats->RxPWDBAll >= 3)
3831                         pprevious_stats->RxPWDBAll -= 3;
3832         }
3833
3834         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3835                                 pprevious_stats->bIsCCK? "CCK": "OFDM",
3836                                 pprevious_stats->RxPWDBAll);
3837
3838         if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3839         {
3840                 if(priv->undecorated_smoothed_pwdb < 0) // initialize
3841                 {
3842                         priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
3843                 }
3844
3845                 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
3846                 {
3847                         priv->undecorated_smoothed_pwdb =
3848                                         ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3849                                         (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3850                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
3851                 }
3852                 else
3853                 {
3854                         priv->undecorated_smoothed_pwdb =
3855                                         ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3856                                         (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3857                 }
3858         }
3859
3860         //
3861         // Check EVM
3862         //
3863         /* record the general EVM to the sliding window. */
3864         if(pprevious_stats->SignalQuality == 0)
3865         {
3866         }
3867         else
3868         {
3869                 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
3870                         if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
3871                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
3872                                 last_evm = priv->stats.slide_evm[slide_evm_index];
3873                                 priv->stats.slide_evm_total -= last_evm;
3874                         }
3875
3876                         priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
3877
3878                         priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
3879                         if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
3880                                 slide_evm_index = 0;
3881
3882                         // <1> Showed on UI for user, in percentage.
3883                         tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
3884                         //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
3885                 }
3886
3887                 // <2> Showed on UI for engineering
3888                 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3889                 {
3890                         for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
3891                         {
3892                                 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
3893                                 {
3894                                         if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
3895                                         {
3896                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
3897                                         }
3898                                         priv->stats.rx_evm_percentage[nspatial_stream] =
3899                                                 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
3900                                                 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
3901                                 }
3902                         }
3903                 }
3904         }
3905
3906 }
3907
3908 static u8 rtl819x_query_rxpwrpercentage(
3909         char            antpower
3910         )
3911 {
3912         if ((antpower <= -100) || (antpower >= 20))
3913         {
3914                 return  0;
3915         }
3916         else if (antpower >= 0)
3917         {
3918                 return  100;
3919         }
3920         else
3921         {
3922                 return  (100+antpower);
3923         }
3924
3925 }
3926
3927 static u8
3928 rtl819x_evm_dbtopercentage(
3929         char value
3930         )
3931 {
3932         char ret_val;
3933
3934         ret_val = value;
3935
3936         if(ret_val >= 0)
3937                 ret_val = 0;
3938         if(ret_val <= -33)
3939                 ret_val = -33;
3940         ret_val = 0 - ret_val;
3941         ret_val*=3;
3942         if(ret_val == 99)
3943                 ret_val = 100;
3944         return ret_val;
3945 }
3946
3947 /* We want good-looking for signal strength/quality */
3948 static long rtl819x_signal_scale_mapping(long currsig)
3949 {
3950         long retsig;
3951
3952         // Step 1. Scale mapping.
3953         if(currsig >= 61 && currsig <= 100)
3954         {
3955                 retsig = 90 + ((currsig - 60) / 4);
3956         }
3957         else if(currsig >= 41 && currsig <= 60)
3958         {
3959                 retsig = 78 + ((currsig - 40) / 2);
3960         }
3961         else if(currsig >= 31 && currsig <= 40)
3962         {
3963                 retsig = 66 + (currsig - 30);
3964         }
3965         else if(currsig >= 21 && currsig <= 30)
3966         {
3967                 retsig = 54 + (currsig - 20);
3968         }
3969         else if(currsig >= 5 && currsig <= 20)
3970         {
3971                 retsig = 42 + (((currsig - 5) * 2) / 3);
3972         }
3973         else if(currsig == 4)
3974         {
3975                 retsig = 36;
3976         }
3977         else if(currsig == 3)
3978         {
3979                 retsig = 27;
3980         }
3981         else if(currsig == 2)
3982         {
3983                 retsig = 18;
3984         }
3985         else if(currsig == 1)
3986         {
3987                 retsig = 9;
3988         }
3989         else
3990         {
3991                 retsig = currsig;
3992         }
3993
3994         return retsig;
3995 }
3996
3997 static void rtl8192_query_rxphystatus(
3998         struct r8192_priv * priv,
3999         struct ieee80211_rx_stats * pstats,
4000         prx_desc_819x_pci  pdesc,
4001         prx_fwinfo_819x_pci   pdrvinfo,
4002         struct ieee80211_rx_stats * precord_stats,
4003         bool bpacket_match_bssid,
4004         bool bpacket_toself,
4005         bool bPacketBeacon,
4006         bool bToSelfBA
4007         )
4008 {
4009         //PRT_RFD_STATUS                pRtRfdStatus = &(pRfd->Status);
4010         phy_sts_ofdm_819xpci_t* pofdm_buf;
4011         phy_sts_cck_819xpci_t   *       pcck_buf;
4012         phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
4013         u8                              *prxpkt;
4014         u8                              i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4015         char                            rx_pwr[4], rx_pwr_all=0;
4016         //long                          rx_avg_pwr = 0;
4017         char                            rx_snrX, rx_evmX;
4018         u8                              evm, pwdb_all;
4019         u32                     RSSI, total_rssi=0;//, total_evm=0;
4020 //      long                            signal_strength_index = 0;
4021         u8                              is_cck_rate=0;
4022         u8                              rf_rx_num = 0;
4023
4024         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4025
4026         // Record it for next packet processing
4027         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4028         pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4029         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4030         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
4031         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4032         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4033         /*2007.08.30 requested by SD3 Jerry */
4034         if (priv->phy_check_reg824 == 0)
4035         {
4036                 priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv, rFPGA0_XA_HSSIParameter2, 0x200);
4037                 priv->phy_check_reg824 = 1;
4038         }
4039
4040
4041         prxpkt = (u8*)pdrvinfo;
4042
4043         /* Move pointer to the 16th bytes. Phy status start address. */
4044         prxpkt += sizeof(rx_fwinfo_819x_pci);
4045
4046         /* Initial the cck and ofdm buffer pointer */
4047         pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
4048         pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
4049
4050         pstats->RxMIMOSignalQuality[0] = -1;
4051         pstats->RxMIMOSignalQuality[1] = -1;
4052         precord_stats->RxMIMOSignalQuality[0] = -1;
4053         precord_stats->RxMIMOSignalQuality[1] = -1;
4054
4055         if(is_cck_rate)
4056         {
4057                 //
4058                 // (1)Hardware does not provide RSSI for CCK
4059                 //
4060
4061                 //
4062                 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4063                 //
4064                 u8 report;//, cck_agc_rpt;
4065
4066                 if (!priv->phy_reg824_bit9)
4067                 {
4068                         report = pcck_buf->cck_agc_rpt & 0xc0;
4069                         report = report>>6;
4070                         switch(report)
4071                         {
4072                                 //Fixed by Jacken from Bryant 2008-03-20
4073                                 //Original value is -38 , -26 , -14 , -2
4074                                 //Fixed value is -35 , -23 , -11 , 6
4075                                 case 0x3:
4076                                         rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4077                                         break;
4078                                 case 0x2:
4079                                         rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4080                                         break;
4081                                 case 0x1:
4082                                         rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4083                                         break;
4084                                 case 0x0:
4085                                         rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
4086                                         break;
4087                         }
4088                 }
4089                 else
4090                 {
4091                         report = pcck_buf->cck_agc_rpt & 0x60;
4092                         report = report>>5;
4093                         switch(report)
4094                         {
4095                                 case 0x3:
4096                                         rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4097                                         break;
4098                                 case 0x2:
4099                                         rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4100                                         break;
4101                                 case 0x1:
4102                                         rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4103                                         break;
4104                                 case 0x0:
4105                                         rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4106                                         break;
4107                         }
4108                 }
4109
4110                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4111                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4112                 pstats->RecvSignalPower = rx_pwr_all;
4113
4114                 //
4115                 // (3) Get Signal Quality (EVM)
4116                 //
4117                 if(bpacket_match_bssid)
4118                 {
4119                         u8      sq;
4120
4121                         if(pstats->RxPWDBAll > 40)
4122                         {
4123                                 sq = 100;
4124                         }else
4125                         {
4126                                 sq = pcck_buf->sq_rpt;
4127
4128                                 if(pcck_buf->sq_rpt > 64)
4129                                         sq = 0;
4130                                 else if (pcck_buf->sq_rpt < 20)
4131                                         sq = 100;
4132                                 else
4133                                         sq = ((64-sq) * 100) / 44;
4134                         }
4135                         pstats->SignalQuality = precord_stats->SignalQuality = sq;
4136                         pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
4137                         pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
4138                 }
4139         }
4140         else
4141         {
4142                 //
4143                 // (1)Get RSSI for HT rate
4144                 //
4145                 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4146                 {
4147                         // 2008/01/30 MH we will judge RF RX path now.
4148                         if (priv->brfpath_rxenable[i])
4149                                 rf_rx_num++;
4150                         //else
4151                                 //continue;
4152
4153                         //Fixed by Jacken from Bryant 2008-03-20
4154                         //Original value is 106
4155                         rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
4156
4157                         //Get Rx snr value in DB
4158                         tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4159                         rx_snrX = (char)(tmp_rxsnr);
4160                         rx_snrX /= 2;
4161
4162                         /* Translate DBM to percentage. */
4163                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4164                         if (priv->brfpath_rxenable[i])
4165                                 total_rssi += RSSI;
4166
4167                         /* Record Signal Strength for next packet */
4168                         if(bpacket_match_bssid)
4169                         {
4170                                 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
4171                                 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
4172                         }
4173                 }
4174
4175
4176                 //
4177                 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4178                 //
4179                 //Fixed by Jacken from Bryant 2008-03-20
4180                 //Original value is 106
4181                 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
4182                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4183
4184                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4185                 pstats->RxPower = precord_stats->RxPower =      rx_pwr_all;
4186                 pstats->RecvSignalPower = rx_pwr_all;
4187                 //
4188                 // (3)EVM of HT rate
4189                 //
4190                 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
4191                         pdrvinfo->RxRate<=DESC90_RATEMCS15)
4192                         max_spatial_stream = 2; //both spatial stream make sense
4193                 else
4194                         max_spatial_stream = 1; //only spatial stream 1 makes sense
4195
4196                 for(i=0; i<max_spatial_stream; i++)
4197                 {
4198                         tmp_rxevm = pofdm_buf->rxevm_X[i];
4199                         rx_evmX = (char)(tmp_rxevm);
4200
4201                         // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
4202                         // fill most significant bit to "zero" when doing shifting operation which may change a negative
4203                         // value to positive one, then the dbm value (which is supposed to be negative)  is not correct anymore.
4204                         rx_evmX /= 2;   //dbm
4205
4206                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4207                         if(bpacket_match_bssid)
4208                         {
4209                                 if(i==0) // Fill value in RFD, Get the first spatial stream only
4210                                         pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
4211                                 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
4212                         }
4213                 }
4214
4215
4216                 /* record rx statistics for debug */
4217                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4218                 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
4219         }
4220
4221         //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
4222         //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
4223         if(is_cck_rate)
4224         {
4225                 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
4226
4227         }
4228         else
4229         {
4230                 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
4231                 // We can judge RX path number now.
4232                 if (rf_rx_num != 0)
4233                         pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
4234         }
4235 }
4236
4237 static void
4238 rtl8192_record_rxdesc_forlateruse(
4239         struct ieee80211_rx_stats * psrc_stats,
4240         struct ieee80211_rx_stats * ptarget_stats
4241 )
4242 {
4243         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4244         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4245 }
4246
4247
4248
4249 static void TranslateRxSignalStuff819xpci(struct r8192_priv *priv,
4250         struct sk_buff *skb,
4251         struct ieee80211_rx_stats * pstats,
4252         prx_desc_819x_pci pdesc,
4253         prx_fwinfo_819x_pci pdrvinfo)
4254 {
4255     // TODO: We must only check packet for current MAC address. Not finish
4256     bool bpacket_match_bssid, bpacket_toself;
4257     bool bPacketBeacon=false, bToSelfBA=false;
4258     struct ieee80211_hdr_3addr *hdr;
4259     u16 fc,type;
4260
4261     // Get Signal Quality for only RX data queue (but not command queue)
4262
4263     u8* tmp_buf;
4264     u8  *praddr;
4265
4266     /* Get MAC frame start address. */
4267     tmp_buf = skb->data;
4268
4269     hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
4270     fc = le16_to_cpu(hdr->frame_ctl);
4271     type = WLAN_FC_GET_TYPE(fc);
4272     praddr = hdr->addr1;
4273
4274     /* Check if the received packet is acceptabe. */
4275     bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
4276             (!compare_ether_addr(priv->ieee80211->current_network.bssid,        (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
4277             && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
4278     bpacket_toself =  bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr));
4279
4280     if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
4281     {
4282         bPacketBeacon = true;
4283     }
4284     if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
4285     {
4286         if (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr))
4287             bToSelfBA = true;
4288     }
4289
4290     //
4291     // Process PHY information for previous packet (RSSI/PWDB/EVM)
4292     //
4293     // Because phy information is contained in the last packet of AMPDU only, so driver
4294     // should process phy information of previous packet
4295     rtl8192_process_phyinfo(priv, tmp_buf, &priv->previous_stats, pstats);
4296     rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid,
4297             bpacket_toself ,bPacketBeacon, bToSelfBA);
4298     rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats);
4299
4300 }
4301
4302
4303 static void rtl8192_tx_resume(struct r8192_priv *priv)
4304 {
4305         struct ieee80211_device *ieee = priv->ieee80211;
4306         struct net_device *dev = priv->ieee80211->dev;
4307         struct sk_buff *skb;
4308         int i;
4309
4310         for (i = BK_QUEUE; i < TXCMD_QUEUE; i++) {
4311                 while ((!skb_queue_empty(&ieee->skb_waitQ[i])) &&
4312                        (priv->ieee80211->check_nic_enough_desc(dev, i) > 0)) {
4313                         /* 1. dequeue the packet from the wait queue */
4314                         skb = skb_dequeue(&ieee->skb_waitQ[i]);
4315                         /* 2. tx the packet directly */
4316                         ieee->softmac_data_hard_start_xmit(skb, dev, 0);
4317                 }
4318         }
4319 }
4320
4321 static void rtl8192_irq_tx_tasklet(unsigned long arg)
4322 {
4323         struct r8192_priv *priv = (struct r8192_priv*) arg;
4324         struct rtl8192_tx_ring *mgnt_ring = &priv->tx_ring[MGNT_QUEUE];
4325         struct net_device *dev = priv->ieee80211->dev;
4326         unsigned long flags;
4327
4328         /* check if we need to report that the management queue is drained */
4329         spin_lock_irqsave(&priv->irq_th_lock, flags);
4330
4331         if (!skb_queue_len(&mgnt_ring->queue) &&
4332             priv->ieee80211->ack_tx_to_ieee &&
4333             rtl8192_is_tx_queue_empty(dev)) {
4334                 priv->ieee80211->ack_tx_to_ieee = 0;
4335                 ieee80211_ps_tx_ack(priv->ieee80211, 1);
4336         }
4337
4338         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4339
4340         rtl8192_tx_resume(priv);
4341 }
4342
4343 /* Record the received data rate */
4344 static void UpdateReceivedRateHistogramStatistics8190(
4345         struct r8192_priv *priv,
4346         struct ieee80211_rx_stats* pstats
4347         )
4348 {
4349         u32 rcvType=1;   //0: Total, 1:OK, 2:CRC, 3:ICV
4350         u32 rateIndex;
4351         u32 preamble_guardinterval;  //1: short preamble/GI, 0: long preamble/GI
4352
4353         if(pstats->bCRC)
4354                 rcvType = 2;
4355         else if(pstats->bICV)
4356                 rcvType = 3;
4357
4358         if(pstats->bShortPreamble)
4359                 preamble_guardinterval = 1;// short
4360         else
4361                 preamble_guardinterval = 0;// long
4362
4363         switch(pstats->rate)
4364         {
4365                 //
4366                 // CCK rate
4367                 //
4368                 case MGN_1M:    rateIndex = 0;  break;
4369                 case MGN_2M:    rateIndex = 1;  break;
4370                 case MGN_5_5M:  rateIndex = 2;  break;
4371                 case MGN_11M:   rateIndex = 3;  break;
4372                 //
4373                 // Legacy OFDM rate
4374                 //
4375                 case MGN_6M:    rateIndex = 4;  break;
4376                 case MGN_9M:    rateIndex = 5;  break;
4377                 case MGN_12M:   rateIndex = 6;  break;
4378                 case MGN_18M:   rateIndex = 7;  break;
4379                 case MGN_24M:   rateIndex = 8;  break;
4380                 case MGN_36M:   rateIndex = 9;  break;
4381                 case MGN_48M:   rateIndex = 10; break;
4382                 case MGN_54M:   rateIndex = 11; break;
4383                 //
4384                 // 11n High throughput rate
4385                 //
4386                 case MGN_MCS0:  rateIndex = 12; break;
4387                 case MGN_MCS1:  rateIndex = 13; break;
4388                 case MGN_MCS2:  rateIndex = 14; break;
4389                 case MGN_MCS3:  rateIndex = 15; break;
4390                 case MGN_MCS4:  rateIndex = 16; break;
4391                 case MGN_MCS5:  rateIndex = 17; break;
4392                 case MGN_MCS6:  rateIndex = 18; break;
4393                 case MGN_MCS7:  rateIndex = 19; break;
4394                 case MGN_MCS8:  rateIndex = 20; break;
4395                 case MGN_MCS9:  rateIndex = 21; break;
4396                 case MGN_MCS10: rateIndex = 22; break;
4397                 case MGN_MCS11: rateIndex = 23; break;
4398                 case MGN_MCS12: rateIndex = 24; break;
4399                 case MGN_MCS13: rateIndex = 25; break;
4400                 case MGN_MCS14: rateIndex = 26; break;
4401                 case MGN_MCS15: rateIndex = 27; break;
4402                 default:        rateIndex = 28; break;
4403         }
4404         priv->stats.received_rate_histogram[0][rateIndex]++; //total
4405         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4406 }
4407
4408 static void rtl8192_rx(struct r8192_priv *priv)
4409 {
4410     struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
4411     bool unicast_packet = false;
4412     struct ieee80211_rx_stats stats = {
4413         .signal = 0,
4414         .noise = -98,
4415         .rate = 0,
4416         .freq = IEEE80211_24GHZ_BAND,
4417     };
4418     unsigned int count = priv->rxringcount;
4419     prx_fwinfo_819x_pci pDrvInfo = NULL;
4420     struct sk_buff *new_skb;
4421
4422     while (count--) {
4423         rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
4424         struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
4425
4426         if (pdesc->OWN)
4427             /* wait data to be filled by hardware */
4428             return;
4429
4430             stats.bICV = pdesc->ICV;
4431             stats.bCRC = pdesc->CRC32;
4432             stats.bHwError = pdesc->CRC32 | pdesc->ICV;
4433
4434             stats.Length = pdesc->Length;
4435             if(stats.Length < 24)
4436                 stats.bHwError |= 1;
4437
4438             if(stats.bHwError) {
4439                 stats.bShift = false;
4440                 goto done;
4441             }
4442                 pDrvInfo = NULL;
4443                 new_skb = dev_alloc_skb(priv->rxbuffersize);
4444
4445                 if (unlikely(!new_skb))
4446                     goto done;
4447
4448                 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
4449                 stats.RxBufShift = ((pdesc->Shift)&0x03);
4450                 stats.Decrypted = !pdesc->SWDec;
4451
4452                 pci_dma_sync_single_for_cpu(priv->pdev,
4453                      *((dma_addr_t *)skb->cb),
4454                      priv->rxbuffersize,
4455                      PCI_DMA_FROMDEVICE);
4456                 skb_put(skb, pdesc->Length);
4457                 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
4458                 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
4459
4460                 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
4461                 stats.bShortPreamble = pDrvInfo->SPLCP;
4462
4463                 /* it is debug only. It should be disabled in released driver.
4464                  * 2007.1.11 by Emily
4465                  * */
4466                 UpdateReceivedRateHistogramStatistics8190(priv, &stats);
4467
4468                 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
4469                 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
4470
4471                 stats.TimeStampLow = pDrvInfo->TSFL;
4472                 stats.TimeStampHigh = read_nic_dword(priv, TSFR+4);
4473
4474                 UpdateRxPktTimeStamp8190(priv, &stats);
4475
4476                 //
4477                 // Get Total offset of MPDU Frame Body
4478                 //
4479                 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
4480                     stats.bShift = 1;
4481
4482                 /* ???? */
4483                 TranslateRxSignalStuff819xpci(priv, skb, &stats, pdesc, pDrvInfo);
4484
4485                 /* Rx A-MPDU */
4486                 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
4487                     RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
4488                             pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
4489                    skb_trim(skb, skb->len - 4/*sCrcLng*/);
4490                 /* rx packets statistics */
4491                 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
4492                 unicast_packet = false;
4493
4494                 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4495                     //TODO
4496                 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
4497                     //TODO
4498                 }else {
4499                     /* unicast packet */
4500                     unicast_packet = true;
4501                 }
4502
4503                 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
4504                     dev_kfree_skb_any(skb);
4505                 } else {
4506                     priv->stats.rxok++;
4507                     if(unicast_packet) {
4508                         priv->stats.rxbytesunicast += skb->len;
4509                     }
4510                 }
4511
4512                 pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb),
4513                         priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4514
4515                 skb = new_skb;
4516                 priv->rx_buf[priv->rx_idx] = skb;
4517                 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4518
4519 done:
4520         pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
4521         pdesc->OWN = 1;
4522         pdesc->Length = priv->rxbuffersize;
4523         if (priv->rx_idx == priv->rxringcount-1)
4524             pdesc->EOR = 1;
4525         priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
4526     }
4527
4528 }
4529
4530 static void rtl8192_irq_rx_tasklet(unsigned long arg)
4531 {
4532         struct r8192_priv *priv = (struct r8192_priv*) arg;
4533         rtl8192_rx(priv);
4534         /* unmask RDU */
4535        write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) | IMR_RDU);
4536 }
4537
4538 static const struct net_device_ops rtl8192_netdev_ops = {
4539         .ndo_open =                     rtl8192_open,
4540         .ndo_stop =                     rtl8192_close,
4541         .ndo_tx_timeout =               tx_timeout,
4542         .ndo_do_ioctl =                 rtl8192_ioctl,
4543         .ndo_set_multicast_list =       r8192_set_multicast,
4544         .ndo_set_mac_address =          r8192_set_mac_adr,
4545         .ndo_start_xmit =               ieee80211_rtl_xmit,
4546 };
4547
4548 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
4549                          const struct pci_device_id *id)
4550 {
4551         struct net_device *dev = NULL;
4552         struct r8192_priv *priv= NULL;
4553         u8 unit = 0;
4554         int ret = -ENODEV;
4555         unsigned long pmem_start, pmem_len, pmem_flags;
4556
4557         RT_TRACE(COMP_INIT,"Configuring chip resources\n");
4558
4559         if( pci_enable_device (pdev) ){
4560                 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
4561                 return -EIO;
4562         }
4563
4564         pci_set_master(pdev);
4565         //pci_set_wmi(pdev);
4566         pci_set_dma_mask(pdev, 0xffffff00ULL);
4567         pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
4568         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4569         if (!dev) {
4570                 ret = -ENOMEM;
4571                 goto fail_free;
4572         }
4573
4574         pci_set_drvdata(pdev, dev);
4575         SET_NETDEV_DEV(dev, &pdev->dev);
4576         priv = ieee80211_priv(dev);
4577         priv->ieee80211 = netdev_priv(dev);
4578         priv->pdev=pdev;
4579         if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
4580                 priv->ieee80211->bSupportRemoteWakeUp = 1;
4581         } else
4582         {
4583                 priv->ieee80211->bSupportRemoteWakeUp = 0;
4584         }
4585
4586         pmem_start = pci_resource_start(pdev, 1);
4587         pmem_len = pci_resource_len(pdev, 1);
4588         pmem_flags = pci_resource_flags (pdev, 1);
4589
4590         if (!(pmem_flags & IORESOURCE_MEM)) {
4591                 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting\n");
4592                 goto fail;
4593         }
4594
4595         //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
4596         if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
4597                 RT_TRACE(COMP_ERR,"request_mem_region failed!\n");
4598                 goto fail;
4599         }
4600
4601         priv->mem_start = ioremap_nocache(pmem_start, pmem_len);
4602         if (!priv->mem_start) {
4603                 RT_TRACE(COMP_ERR,"ioremap failed!\n");
4604                 goto fail1;
4605         }
4606
4607         dev->mem_start = (unsigned long) priv->mem_start;
4608         dev->mem_end = (unsigned long) (priv->mem_start +
4609                                         pci_resource_len(pdev, 0));
4610
4611         /* We disable the RETRY_TIMEOUT register (0x41) to keep
4612          * PCI Tx retries from interfering with C3 CPU state */
4613          pci_write_config_byte(pdev, 0x41, 0x00);
4614
4615
4616         pci_read_config_byte(pdev, 0x05, &unit);
4617         pci_write_config_byte(pdev, 0x05, unit & (~0x04));
4618
4619         dev->irq = pdev->irq;
4620         priv->irq = 0;
4621
4622         dev->netdev_ops = &rtl8192_netdev_ops;
4623
4624         dev->wireless_handlers = &r8192_wx_handlers_def;
4625         dev->type=ARPHRD_ETHER;
4626
4627         dev->watchdog_timeo = HZ*3;
4628
4629         if (dev_alloc_name(dev, ifname) < 0){
4630                 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
4631                 strcpy(ifname, "wlan%d");
4632                 dev_alloc_name(dev, ifname);
4633         }
4634
4635         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4636         if (rtl8192_init(priv)!=0) {
4637                 RT_TRACE(COMP_ERR, "Initialization failed\n");
4638                 goto fail;
4639         }
4640
4641         register_netdev(dev);
4642         RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
4643         rtl8192_proc_init_one(priv);
4644
4645
4646         RT_TRACE(COMP_INIT, "Driver probe completed\n");
4647         return 0;
4648
4649 fail1:
4650
4651         if (priv->mem_start) {
4652                 iounmap(priv->mem_start);
4653                 release_mem_region( pci_resource_start(pdev, 1),
4654                                     pci_resource_len(pdev, 1) );
4655         }
4656
4657 fail:
4658         if(dev){
4659
4660                 if (priv->irq) {
4661                         free_irq(dev->irq, dev);
4662                         dev->irq=0;
4663                 }
4664                 free_ieee80211(dev);
4665         }
4666
4667 fail_free:
4668         pci_disable_device(pdev);
4669
4670         DMESG("wlan driver load failed\n");
4671         pci_set_drvdata(pdev, NULL);
4672         return ret;
4673
4674 }
4675
4676 /* detach all the work and timer structure declared or inititialized
4677  * in r8192_init function.
4678  * */
4679 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
4680 {
4681         /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
4682          * is  or is newer than 2.6.20 and work structure is defined to be struct work_struct.
4683          * Otherwise call cancel_delayed_work is enough.
4684          * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
4685          * */
4686         cancel_delayed_work(&priv->watch_dog_wq);
4687         cancel_delayed_work(&priv->update_beacon_wq);
4688         cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
4689         cancel_delayed_work(&priv->gpio_change_rf_wq);
4690         cancel_work_sync(&priv->reset_wq);
4691         cancel_work_sync(&priv->qos_activate);
4692 }
4693
4694
4695 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
4696 {
4697         struct net_device *dev = pci_get_drvdata(pdev);
4698         struct r8192_priv *priv ;
4699         u32 i;
4700
4701         if (dev) {
4702
4703                 unregister_netdev(dev);
4704
4705                 priv = ieee80211_priv(dev);
4706
4707                 rtl8192_proc_remove_one(priv);
4708
4709                 rtl8192_down(dev);
4710                 if (priv->pFirmware)
4711                 {
4712                         vfree(priv->pFirmware);
4713                         priv->pFirmware = NULL;
4714                 }
4715                 destroy_workqueue(priv->priv_wq);
4716
4717                 /* free tx/rx rings */
4718                 rtl8192_free_rx_ring(priv);
4719                 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
4720                         rtl8192_free_tx_ring(priv, i);
4721
4722                 if (priv->irq) {
4723                         printk("Freeing irq %d\n",dev->irq);
4724                         free_irq(dev->irq, dev);
4725                         priv->irq=0;
4726                 }
4727
4728                 if (priv->mem_start) {
4729                         iounmap(priv->mem_start);
4730                         release_mem_region( pci_resource_start(pdev, 1),
4731                                             pci_resource_len(pdev, 1) );
4732                 }
4733
4734                 free_ieee80211(dev);
4735         }
4736
4737         pci_disable_device(pdev);
4738         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
4739 }
4740
4741 extern int ieee80211_rtl_init(void);
4742 extern void ieee80211_rtl_exit(void);
4743
4744 static int __init rtl8192_pci_module_init(void)
4745 {
4746         int retval;
4747
4748         retval = ieee80211_rtl_init();
4749         if (retval)
4750                 return retval;
4751
4752         printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
4753         printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
4754         RT_TRACE(COMP_INIT, "Initializing module\n");
4755         rtl8192_proc_module_init();
4756       if(0!=pci_register_driver(&rtl8192_pci_driver))
4757         {
4758                 DMESG("No device found");
4759                 /*pci_unregister_driver (&rtl8192_pci_driver);*/
4760                 return -ENODEV;
4761         }
4762         return 0;
4763 }
4764
4765
4766 static void __exit rtl8192_pci_module_exit(void)
4767 {
4768         pci_unregister_driver(&rtl8192_pci_driver);
4769
4770         RT_TRACE(COMP_DOWN, "Exiting\n");
4771         rtl8192_proc_module_remove();
4772         ieee80211_rtl_exit();
4773 }
4774
4775 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
4776 {
4777         struct net_device *dev = (struct net_device *) netdev;
4778         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4779         unsigned long flags;
4780         u32 inta;
4781         irqreturn_t ret = IRQ_HANDLED;
4782
4783         spin_lock_irqsave(&priv->irq_th_lock, flags);
4784
4785         /* ISR: 4bytes */
4786
4787         inta = read_nic_dword(priv, ISR); /* & priv->IntrMask; */
4788         write_nic_dword(priv, ISR, inta); /* reset int situation */
4789
4790         if (!inta) {
4791                 /*
4792                  * most probably we can safely return IRQ_NONE,
4793                  * but for now is better to avoid problems
4794                  */
4795                 goto out_unlock;
4796         }
4797
4798         if (inta == 0xffff) {
4799                 /* HW disappared */
4800                 goto out_unlock;
4801         }
4802
4803         if (!netif_running(dev))
4804                 goto out_unlock;
4805
4806         if (inta & IMR_TBDOK) {
4807                 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4808                 rtl8192_tx_isr(priv, BEACON_QUEUE);
4809                 priv->stats.txbeaconokint++;
4810         }
4811
4812         if (inta & IMR_TBDER) {
4813                 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4814                 rtl8192_tx_isr(priv, BEACON_QUEUE);
4815                 priv->stats.txbeaconerr++;
4816         }
4817
4818         if (inta & IMR_MGNTDOK ) {
4819                 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
4820                 priv->stats.txmanageokint++;
4821                 rtl8192_tx_isr(priv, MGNT_QUEUE);
4822         }
4823
4824         if (inta & IMR_COMDOK)
4825         {
4826                 priv->stats.txcmdpktokint++;
4827                 rtl8192_tx_isr(priv, TXCMD_QUEUE);
4828         }
4829
4830         if (inta & IMR_ROK) {
4831                 priv->stats.rxint++;
4832                 tasklet_schedule(&priv->irq_rx_tasklet);
4833         }
4834
4835         if (inta & IMR_BcnInt) {
4836                 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
4837                 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
4838         }
4839
4840         if (inta & IMR_RDU) {
4841                 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
4842                 priv->stats.rxrdu++;
4843                 /* reset int situation */
4844                 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) & ~IMR_RDU);
4845                 tasklet_schedule(&priv->irq_rx_tasklet);
4846         }
4847
4848         if (inta & IMR_RXFOVW) {
4849                 RT_TRACE(COMP_INTR, "rx overflow !\n");
4850                 priv->stats.rxoverflow++;
4851                 tasklet_schedule(&priv->irq_rx_tasklet);
4852         }
4853
4854         if (inta & IMR_TXFOVW)
4855                 priv->stats.txoverflow++;
4856
4857         if (inta & IMR_BKDOK) {
4858                 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
4859                 priv->stats.txbkokint++;
4860                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4861                 rtl8192_tx_isr(priv, BK_QUEUE);
4862         }
4863
4864         if (inta & IMR_BEDOK) {
4865                 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
4866                 priv->stats.txbeokint++;
4867                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4868                 rtl8192_tx_isr(priv, BE_QUEUE);
4869         }
4870
4871         if (inta & IMR_VIDOK) {
4872                 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
4873                 priv->stats.txviokint++;
4874                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4875                 rtl8192_tx_isr(priv, VI_QUEUE);
4876         }
4877
4878         if (inta & IMR_VODOK) {
4879                 priv->stats.txvookint++;
4880                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4881                 rtl8192_tx_isr(priv, VO_QUEUE);
4882         }
4883
4884 out_unlock:
4885         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4886
4887         return ret;
4888 }
4889
4890 void EnableHWSecurityConfig8192(struct r8192_priv *priv)
4891 {
4892         u8 SECR_value = 0x0;
4893         struct ieee80211_device* ieee = priv->ieee80211;
4894
4895         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
4896
4897         if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
4898         {
4899                 SECR_value |= SCR_RxUseDK;
4900                 SECR_value |= SCR_TxUseDK;
4901         }
4902         else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
4903         {
4904                 SECR_value |= SCR_RxUseDK;
4905                 SECR_value |= SCR_TxUseDK;
4906         }
4907
4908         //add HWSec active enable here.
4909 //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
4910         ieee->hwsec_active = 1;
4911
4912         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
4913         {
4914                 ieee->hwsec_active = 0;
4915                 SECR_value &= ~SCR_RxDecEnable;
4916         }
4917
4918         RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__,
4919                         ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
4920         {
4921                 write_nic_byte(priv, SECR,  SECR_value);//SECR_value |  SCR_UseDK );
4922         }
4923
4924 }
4925 #define TOTAL_CAM_ENTRY 32
4926 //#define CAM_CONTENT_COUNT 8
4927 void setKey(struct r8192_priv *priv, u8 EntryNo, u8 KeyIndex, u16 KeyType,
4928             const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
4929 {
4930         u32 TargetCommand = 0;
4931         u32 TargetContent = 0;
4932         u16 usConfig = 0;
4933         u8 i;
4934 #ifdef ENABLE_IPS
4935         RT_RF_POWER_STATE       rtState;
4936
4937         rtState = priv->eRFPowerState;
4938         if (priv->PowerSaveControl.bInactivePs){
4939                 if(rtState == eRfOff){
4940                         if(priv->RfOffReason > RF_CHANGE_BY_IPS)
4941                         {
4942                                 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
4943                                 //up(&priv->wx_sem);
4944                                 return ;
4945                         }
4946                         else{
4947                                 down(&priv->ieee80211->ips_sem);
4948                                 IPSLeave(priv);
4949                                 up(&priv->ieee80211->ips_sem);
4950                         }
4951                 }
4952         }
4953         priv->ieee80211->is_set_key = true;
4954 #endif
4955         if (EntryNo >= TOTAL_CAM_ENTRY)
4956                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
4957
4958         RT_TRACE(COMP_SEC, "====>to setKey(), priv:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", priv, EntryNo, KeyIndex, KeyType, MacAddr);
4959
4960         if (DefaultKey)
4961                 usConfig |= BIT15 | (KeyType<<2);
4962         else
4963                 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
4964 //      usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
4965
4966
4967         for(i=0 ; i<CAM_CONTENT_COUNT; i++){
4968                 TargetCommand  = i+CAM_CONTENT_COUNT*EntryNo;
4969                 TargetCommand |= BIT31|BIT16;
4970
4971                 if(i==0){//MAC|Config
4972                         TargetContent = (u32)(*(MacAddr+0)) << 16|
4973                                         (u32)(*(MacAddr+1)) << 24|
4974                                         (u32)usConfig;
4975
4976                         write_nic_dword(priv, WCAMI, TargetContent);
4977                         write_nic_dword(priv, RWCAM, TargetCommand);
4978                 }
4979                 else if(i==1){//MAC
4980                         TargetContent = (u32)(*(MacAddr+2))      |
4981                                         (u32)(*(MacAddr+3)) <<  8|
4982                                         (u32)(*(MacAddr+4)) << 16|
4983                                         (u32)(*(MacAddr+5)) << 24;
4984                         write_nic_dword(priv, WCAMI, TargetContent);
4985                         write_nic_dword(priv, RWCAM, TargetCommand);
4986                 }
4987                 else {  //Key Material
4988                         if(KeyContent != NULL)
4989                         {
4990                         write_nic_dword(priv, WCAMI, (u32)(*(KeyContent+i-2)) );
4991                         write_nic_dword(priv, RWCAM, TargetCommand);
4992                 }
4993         }
4994         }
4995         RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
4996 }
4997
4998 bool NicIFEnableNIC(struct r8192_priv *priv)
4999 {
5000         RT_STATUS init_status = RT_STATUS_SUCCESS;
5001         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
5002
5003         //YJ,add,091109
5004         if (priv->up == 0){
5005                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
5006                 priv->bdisable_nic = false;  //YJ,add,091111
5007                 return false;
5008         }
5009         // <1> Reset memory: descriptor, buffer,..
5010         //NicIFResetMemory(Adapter);
5011
5012         // <2> Enable Adapter
5013         //priv->bfirst_init = true;
5014         init_status = rtl8192_adapter_start(priv);
5015         if (init_status != RT_STATUS_SUCCESS) {
5016                 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
5017                 priv->bdisable_nic = false;  //YJ,add,091111
5018                 return -1;
5019         }
5020         RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
5021         //priv->bfirst_init = false;
5022
5023         // <3> Enable Interrupt
5024         rtl8192_irq_enable(priv);
5025         priv->bdisable_nic = false;
5026
5027         return (init_status == RT_STATUS_SUCCESS);
5028 }
5029
5030 bool NicIFDisableNIC(struct r8192_priv *priv)
5031 {
5032         bool    status = true;
5033         u8 tmp_state = 0;
5034         // <1> Disable Interrupt
5035
5036         priv->bdisable_nic = true;      //YJ,move,091109
5037         tmp_state = priv->ieee80211->state;
5038
5039         ieee80211_softmac_stop_protocol(priv->ieee80211, false);
5040
5041         priv->ieee80211->state = tmp_state;
5042         rtl8192_cancel_deferred_work(priv);
5043         rtl8192_irq_disable(priv);
5044         // <2> Stop all timer
5045
5046         // <3> Disable Adapter
5047         rtl8192_halt_adapter(priv, false);
5048 //      priv->bdisable_nic = true;
5049
5050         return status;
5051 }
5052
5053 module_init(rtl8192_pci_module_init);
5054 module_exit(rtl8192_pci_module_exit);