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         struct net_device *dev = priv->ieee80211->dev;
 214         return 0xff&readb((u8*)dev->mem_start +x);
 215 }
 216
 217 u32 read_nic_dword(struct r8192_priv *priv, int x)
 218 {
 219         struct net_device *dev = priv->ieee80211->dev;
 220         return readl((u8*)dev->mem_start +x);
 221 }
 222
 223 u16 read_nic_word(struct r8192_priv *priv, int x)
 224 {
 225         struct net_device *dev = priv->ieee80211->dev;
 226         return readw((u8*)dev->mem_start +x);
 227 }
 228
 229 void write_nic_byte(struct r8192_priv *priv, int x,u8 y)
 230 {
 231         struct net_device *dev = priv->ieee80211->dev;
 232         writeb(y,(u8*)dev->mem_start +x);
 233         udelay(20);
 234 }
 235
 236 void write_nic_dword(struct r8192_priv *priv, int x,u32 y)
 237 {
 238         struct net_device *dev = priv->ieee80211->dev;
 239         writel(y,(u8*)dev->mem_start +x);
 240         udelay(20);
 241 }
 242
 243 void write_nic_word(struct r8192_priv *priv, int x,u16 y)
 244 {
 245         struct net_device *dev = priv->ieee80211->dev;
 246         writew(y,(u8*)dev->mem_start +x);
 247         udelay(20);
 248 }
 249
 250 u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
 251 {
 252         static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
 253         static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
 254         int wpa_ie_len= ieee->wpa_ie_len;
 255         struct ieee80211_crypt_data* crypt;
 256         int encrypt;
 257
 258         crypt = ieee->crypt[ieee->tx_keyidx];
 259
 260         encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||
 261                   (ieee->host_encrypt && crypt && crypt->ops &&
 262                    (0 == strcmp(crypt->ops->name,"WEP")));
 263
 264         /* simply judge  */
 265         if(encrypt && (wpa_ie_len == 0)) {
 266                 // wep encryption, no N mode setting */
 267                 return SEC_ALG_WEP;
 268         } else if((wpa_ie_len != 0)) {
 269                 // parse pairwise key type */
 270                 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
 271                                 ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
 272                         return SEC_ALG_CCMP;
 273                 else
 274                         return SEC_ALG_TKIP;
 275         } else {
 276                 return SEC_ALG_NONE;
 277         }
 278 }
 279
 280 void
 281 rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val)
 282 {
 283         struct r8192_priv* priv = ieee80211_priv(dev);
 284
 285         switch(variable)
 286         {
 287
 288                 case HW_VAR_BSSID:
 289                         write_nic_dword(priv, BSSIDR, ((u32*)(val))[0]);
 290                         write_nic_word(priv, BSSIDR+2, ((u16*)(val+2))[0]);
 291                 break;
 292
 293                 case HW_VAR_MEDIA_STATUS:
 294                 {
 295                         RT_OP_MODE      OpMode = *((RT_OP_MODE *)(val));
 296                         u8              btMsr = read_nic_byte(priv, MSR);
 297
 298                         btMsr &= 0xfc;
 299
 300                         switch(OpMode)
 301                         {
 302                         case RT_OP_MODE_INFRASTRUCTURE:
 303                                 btMsr |= MSR_INFRA;
 304                                 break;
 305
 306                         case RT_OP_MODE_IBSS:
 307                                 btMsr |= MSR_ADHOC;
 308                                 break;
 309
 310                         case RT_OP_MODE_AP:
 311                                 btMsr |= MSR_AP;
 312                                 break;
 313
 314                         default:
 315                                 btMsr |= MSR_NOLINK;
 316                                 break;
 317                         }
 318
 319                         write_nic_byte(priv, MSR, btMsr);
 320                 }
 321                 break;
 322
 323                 case HW_VAR_CHECK_BSSID:
 324                 {
 325                         u32     RegRCR, Type;
 326
 327                         Type = ((u8*)(val))[0];
 328                         RegRCR = read_nic_dword(priv, RCR);
 329                         priv->ReceiveConfig = RegRCR;
 330
 331                         if (Type == true)
 332                                 RegRCR |= (RCR_CBSSID);
 333                         else if (Type == false)
 334                                 RegRCR &= (~RCR_CBSSID);
 335
 336                         write_nic_dword(priv, RCR,RegRCR);
 337                         priv->ReceiveConfig = RegRCR;
 338
 339                 }
 340                 break;
 341
 342                 case HW_VAR_SLOT_TIME:
 343                 {
 344                         priv->slot_time = val[0];
 345                         write_nic_byte(priv, SLOT_TIME, val[0]);
 346
 347                 }
 348                 break;
 349
 350                 case HW_VAR_ACK_PREAMBLE:
 351                 {
 352                         u32 regTmp = 0;
 353                         priv->short_preamble = (bool)(*(u8*)val );
 354                         regTmp = priv->basic_rate;
 355                         if (priv->short_preamble)
 356                                 regTmp |= BRSR_AckShortPmb;
 357                         write_nic_dword(priv, RRSR, regTmp);
 358                 }
 359                 break;
 360
 361                 case HW_VAR_CPU_RST:
 362                         write_nic_dword(priv, CPU_GEN, ((u32*)(val))[0]);
 363                 break;
 364
 365                 default:
 366                 break;
 367         }
 368
 369 }
 370
 371 static struct proc_dir_entry *rtl8192_proc = NULL;
 372
 373 static int proc_get_stats_ap(char *page, char **start,
 374                           off_t offset, int count,
 375                           int *eof, void *data)
 376 {
 377         struct net_device *dev = data;
 378         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 379         struct ieee80211_device *ieee = priv->ieee80211;
 380         struct ieee80211_network *target;
 381         int len = 0;
 382
 383         list_for_each_entry(target, &ieee->network_list, list) {
 384
 385                 len += snprintf(page + len, count - len,
 386                 "%s ", target->ssid);
 387
 388                 if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
 389                         len += snprintf(page + len, count - len,
 390                         "WPA\n");
 391                 }
 392                 else{
 393                         len += snprintf(page + len, count - len,
 394                         "non_WPA\n");
 395                 }
 396
 397         }
 398
 399         *eof = 1;
 400         return len;
 401 }
 402
 403 static int proc_get_registers(char *page, char **start,
 404                           off_t offset, int count,
 405                           int *eof, void *data)
 406 {
 407         struct net_device *dev = data;
 408         struct r8192_priv *priv = ieee80211_priv(dev);
 409         int len = 0;
 410         int i,n;
 411         int max=0xff;
 412
 413         /* This dump the current register page */
 414         len += snprintf(page + len, count - len,
 415                         "\n####################page 0##################\n ");
 416
 417         for(n=0;n<=max;)
 418         {
 419                 len += snprintf(page + len, count - len,
 420                         "\nD:  %2x > ",n);
 421
 422                 for(i=0;i<16 && n<=max;i++,n++)
 423                 len += snprintf(page + len, count - len,
 424                         "%2x ",read_nic_byte(priv,n));
 425         }
 426         len += snprintf(page + len, count - len,"\n");
 427         len += snprintf(page + len, count - len,
 428                         "\n####################page 1##################\n ");
 429         for(n=0;n<=max;)
 430         {
 431                 len += snprintf(page + len, count - len,
 432                         "\nD:  %2x > ",n);
 433
 434                 for(i=0;i<16 && n<=max;i++,n++)
 435                 len += snprintf(page + len, count - len,
 436                         "%2x ",read_nic_byte(priv,0x100|n));
 437         }
 438
 439         len += snprintf(page + len, count - len,
 440                         "\n####################page 3##################\n ");
 441         for(n=0;n<=max;)
 442         {
 443                 len += snprintf(page + len, count - len,
 444                         "\nD:  %2x > ",n);
 445
 446                 for(i=0;i<16 && n<=max;i++,n++)
 447                 len += snprintf(page + len, count - len,
 448                         "%2x ",read_nic_byte(priv,0x300|n));
 449         }
 450
 451         *eof = 1;
 452         return len;
 453
 454 }
 455
 456 static int proc_get_stats_tx(char *page, char **start,
 457                           off_t offset, int count,
 458                           int *eof, void *data)
 459 {
 460         struct net_device *dev = data;
 461         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 462
 463         int len = 0;
 464
 465         len += snprintf(page + len, count - len,
 466                 "TX VI priority ok int: %lu\n"
 467                 "TX VO priority ok int: %lu\n"
 468                 "TX BE priority ok int: %lu\n"
 469                 "TX BK priority ok int: %lu\n"
 470                 "TX MANAGE priority ok int: %lu\n"
 471                 "TX BEACON priority ok int: %lu\n"
 472                 "TX BEACON priority error int: %lu\n"
 473                 "TX CMDPKT priority ok int: %lu\n"
 474                 "TX queue stopped?: %d\n"
 475                 "TX fifo overflow: %lu\n"
 476                 "TX total data packets %lu\n"
 477                 "TX total data bytes :%lu\n",
 478                 priv->stats.txviokint,
 479                 priv->stats.txvookint,
 480                 priv->stats.txbeokint,
 481                 priv->stats.txbkokint,
 482                 priv->stats.txmanageokint,
 483                 priv->stats.txbeaconokint,
 484                 priv->stats.txbeaconerr,
 485                 priv->stats.txcmdpktokint,
 486                 netif_queue_stopped(dev),
 487                 priv->stats.txoverflow,
 488                 priv->ieee80211->stats.tx_packets,
 489                 priv->ieee80211->stats.tx_bytes);
 490
 491         *eof = 1;
 492         return len;
 493 }
 494
 495
 496
 497 static int proc_get_stats_rx(char *page, char **start,
 498                           off_t offset, int count,
 499                           int *eof, void *data)
 500 {
 501         struct net_device *dev = data;
 502         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 503
 504         int len = 0;
 505
 506         len += snprintf(page + len, count - len,
 507                 "RX packets: %lu\n"
 508                 "RX desc err: %lu\n"
 509                 "RX rx overflow error: %lu\n",
 510                 priv->stats.rxint,
 511                 priv->stats.rxrdu,
 512                 priv->stats.rxoverflow);
 513
 514         *eof = 1;
 515         return len;
 516 }
 517
 518 static void rtl8192_proc_module_init(void)
 519 {
 520         RT_TRACE(COMP_INIT, "Initializing proc filesystem\n");
 521         rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
 522 }
 523
 524
 525 static void rtl8192_proc_module_remove(void)
 526 {
 527         remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
 528 }
 529
 530
 531 static void rtl8192_proc_remove_one(struct r8192_priv *priv)
 532 {
 533         struct net_device *dev = priv->ieee80211->dev;
 534
 535         printk("dev name=======> %s\n",dev->name);
 536
 537         if (priv->dir_dev) {
 538                 remove_proc_entry("stats-tx", priv->dir_dev);
 539                 remove_proc_entry("stats-rx", priv->dir_dev);
 540                 remove_proc_entry("stats-ap", priv->dir_dev);
 541                 remove_proc_entry("registers", priv->dir_dev);
 542                 remove_proc_entry("wlan0", rtl8192_proc);
 543                 priv->dir_dev = NULL;
 544         }
 545 }
 546
 547
 548 static void rtl8192_proc_init_one(struct r8192_priv *priv)
 549 {
 550         struct net_device *dev = priv->ieee80211->dev;
 551         struct proc_dir_entry *e;
 552
 553         priv->dir_dev = create_proc_entry(dev->name,
 554                                           S_IFDIR | S_IRUGO | S_IXUGO,
 555                                           rtl8192_proc);
 556         if (!priv->dir_dev) {
 557                 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
 558                       dev->name);
 559                 return;
 560         }
 561         e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
 562                                    priv->dir_dev, proc_get_stats_rx, dev);
 563
 564         if (!e) {
 565                 RT_TRACE(COMP_ERR,"Unable to initialize "
 566                       "/proc/net/rtl8192/%s/stats-rx\n",
 567                       dev->name);
 568         }
 569
 570
 571         e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
 572                                    priv->dir_dev, proc_get_stats_tx, dev);
 573
 574         if (!e) {
 575                 RT_TRACE(COMP_ERR, "Unable to initialize "
 576                       "/proc/net/rtl8192/%s/stats-tx\n",
 577                       dev->name);
 578         }
 579
 580         e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
 581                                    priv->dir_dev, proc_get_stats_ap, dev);
 582
 583         if (!e) {
 584                 RT_TRACE(COMP_ERR, "Unable to initialize "
 585                       "/proc/net/rtl8192/%s/stats-ap\n",
 586                       dev->name);
 587         }
 588
 589         e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
 590                                    priv->dir_dev, proc_get_registers, dev);
 591         if (!e) {
 592                 RT_TRACE(COMP_ERR, "Unable to initialize "
 593                       "/proc/net/rtl8192/%s/registers\n",
 594                       dev->name);
 595         }
 596 }
 597
 598 static short check_nic_enough_desc(struct net_device *dev, int prio)
 599 {
 600     struct r8192_priv *priv = ieee80211_priv(dev);
 601     struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 602
 603     /* for now we reserve two free descriptor as a safety boundary
 604      * between the tail and the head
 605      */
 606     return (ring->entries - skb_queue_len(&ring->queue) >= 2);
 607 }
 608
 609 static void tx_timeout(struct net_device *dev)
 610 {
 611         struct r8192_priv *priv = ieee80211_priv(dev);
 612
 613         schedule_work(&priv->reset_wq);
 614         printk("TXTIMEOUT");
 615 }
 616
 617 static void rtl8192_irq_enable(struct r8192_priv *priv)
 618 {
 619         u32 mask;
 620
 621         mask = IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |
 622                IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |
 623                IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |
 624                IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER;
 625
 626         write_nic_dword(priv, INTA_MASK, mask);
 627 }
 628
 629 static void rtl8192_irq_disable(struct r8192_priv *priv)
 630 {
 631         write_nic_dword(priv, INTA_MASK, 0);
 632         synchronize_irq(priv->irq);
 633 }
 634
 635 static void rtl8192_update_msr(struct r8192_priv *priv)
 636 {
 637         u8 msr;
 638
 639         msr  = read_nic_byte(priv, MSR);
 640         msr &= ~ MSR_LINK_MASK;
 641
 642         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 643          * msr must be updated if the state is ASSOCIATING.
 644          * this is intentional and make sense for ad-hoc and
 645          * master (see the create BSS/IBSS func)
 646          */
 647         if (priv->ieee80211->state == IEEE80211_LINKED){
 648
 649                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 650                         msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
 651                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 652                         msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
 653                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 654                         msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
 655
 656         }else
 657                 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
 658
 659         write_nic_byte(priv, MSR, msr);
 660 }
 661
 662 static void rtl8192_set_chan(struct net_device *dev,short ch)
 663 {
 664         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 665
 666         priv->chan = ch;
 667
 668         /* need to implement rf set channel here WB */
 669
 670         if (priv->rf_set_chan)
 671                 priv->rf_set_chan(dev, priv->chan);
 672 }
 673
 674 static void rtl8192_rx_enable(struct r8192_priv *priv)
 675 {
 676         write_nic_dword(priv, RDQDA, priv->rx_ring_dma);
 677 }
 678
 679 /* the TX_DESC_BASE setting is according to the following queue index
 680  *  BK_QUEUE       ===>                        0
 681  *  BE_QUEUE       ===>                        1
 682  *  VI_QUEUE       ===>                        2
 683  *  VO_QUEUE       ===>                        3
 684  *  HCCA_QUEUE     ===>                        4
 685  *  TXCMD_QUEUE    ===>                        5
 686  *  MGNT_QUEUE     ===>                        6
 687  *  HIGH_QUEUE     ===>                        7
 688  *  BEACON_QUEUE   ===>                        8
 689  *  */
 690 static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
 691 static void rtl8192_tx_enable(struct r8192_priv *priv)
 692 {
 693         u32 i;
 694
 695         for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
 696                 write_nic_dword(priv, TX_DESC_BASE[i], priv->tx_ring[i].dma);
 697
 698         ieee80211_reset_queue(priv->ieee80211);
 699 }
 700
 701
 702 static void rtl8192_free_rx_ring(struct r8192_priv *priv)
 703 {
 704         int i;
 705
 706         for (i = 0; i < priv->rxringcount; i++) {
 707                 struct sk_buff *skb = priv->rx_buf[i];
 708                 if (!skb)
 709                         continue;
 710
 711                 pci_unmap_single(priv->pdev,
 712                                  *((dma_addr_t *)skb->cb),
 713                                  priv->rxbuffersize, PCI_DMA_FROMDEVICE);
 714                 kfree_skb(skb);
 715         }
 716
 717         pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
 718                             priv->rx_ring, priv->rx_ring_dma);
 719         priv->rx_ring = NULL;
 720 }
 721
 722 static void rtl8192_free_tx_ring(struct r8192_priv *priv, unsigned int prio)
 723 {
 724         struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 725
 726         while (skb_queue_len(&ring->queue)) {
 727                 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
 728                 struct sk_buff *skb = __skb_dequeue(&ring->queue);
 729
 730                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
 731                                  skb->len, PCI_DMA_TODEVICE);
 732                 kfree_skb(skb);
 733                 ring->idx = (ring->idx + 1) % ring->entries;
 734         }
 735
 736         pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
 737                             ring->desc, ring->dma);
 738         ring->desc = NULL;
 739 }
 740
 741 void PHY_SetRtl8192eRfOff(struct r8192_priv *priv)
 742 {
 743         //disable RF-Chip A/B
 744         rtl8192_setBBreg(priv, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
 745         //analog to digital off, for power save
 746         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter4, 0x300, 0x0);
 747         //digital to analog off, for power save
 748         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x18, 0x0);
 749         //rx antenna off
 750         rtl8192_setBBreg(priv, rOFDM0_TRxPathEnable, 0xf, 0x0);
 751         //rx antenna off
 752         rtl8192_setBBreg(priv, rOFDM1_TRxPathEnable, 0xf, 0x0);
 753         //analog to digital part2 off, for power save
 754         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x60, 0x0);
 755         rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x4, 0x0);
 756         // Analog parameter!!Change bias and Lbus control.
 757         write_nic_byte(priv, ANAPAR_FOR_8192PciE, 0x07);
 758 }
 759
 760 static void rtl8192_halt_adapter(struct r8192_priv *priv, bool reset)
 761 {
 762         struct net_device *dev = priv->ieee80211->dev;
 763         int i;
 764         u8 OpMode;
 765         u32 ulRegRead;
 766
 767         OpMode = RT_OP_MODE_NO_LINK;
 768         priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode);
 769
 770         if (!priv->ieee80211->bSupportRemoteWakeUp) {
 771                 /*
 772                  * disable tx/rx. In 8185 we write 0x10 (Reset bit),
 773                  * but here we make reference to WMAC and wirte 0x0
 774                  */
 775                 write_nic_byte(priv, CMDR, 0);
 776         }
 777
 778         mdelay(20);
 779
 780         if (!reset) {
 781                 mdelay(150);
 782
 783                 priv->bHwRfOffAction = 2;
 784
 785                 /*
 786                  * Call MgntActSet_RF_State instead to
 787                  * prevent RF config race condition.
 788                  */
 789                 if (!priv->ieee80211->bSupportRemoteWakeUp) {
 790                         PHY_SetRtl8192eRfOff(priv);
 791                         ulRegRead = read_nic_dword(priv, CPU_GEN);
 792                         ulRegRead |= CPU_GEN_SYSTEM_RESET;
 793                         write_nic_dword(priv,CPU_GEN, ulRegRead);
 794                 } else {
 795                         /* for WOL */
 796                         write_nic_dword(priv, WFCRC0, 0xffffffff);
 797                         write_nic_dword(priv, WFCRC1, 0xffffffff);
 798                         write_nic_dword(priv, WFCRC2, 0xffffffff);
 799
 800                         /* Write PMR register */
 801                         write_nic_byte(priv, PMR, 0x5);
 802                         /* Disable tx, enanble rx */
 803                         write_nic_byte(priv, MacBlkCtrl, 0xa);
 804                 }
 805         }
 806
 807         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
 808                 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
 809         }
 810         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
 811                 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
 812         }
 813
 814         skb_queue_purge(&priv->skb_queue);
 815 }
 816
 817 static void rtl8192_data_hard_stop(struct net_device *dev)
 818 {
 819 }
 820
 821 static void rtl8192_data_hard_resume(struct net_device *dev)
 822 {
 823 }
 824
 825 /*
 826  * this function TX data frames when the ieee80211 stack requires this.
 827  * It checks also if we need to stop the ieee tx queue, eventually do it
 828  */
 829 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
 830 {
 831         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 832         int ret;
 833         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 834         u8 queue_index = tcb_desc->queue_index;
 835
 836         /* shall not be referred by command packet */
 837         BUG_ON(queue_index == TXCMD_QUEUE);
 838
 839         if (priv->bHwRadioOff || (!priv->up))
 840         {
 841                 kfree_skb(skb);
 842                 return;
 843         }
 844
 845         memcpy(skb->cb, &dev, sizeof(dev));
 846
 847         skb_push(skb, priv->ieee80211->tx_headroom);
 848         ret = rtl8192_tx(priv, skb);
 849         if (ret != 0) {
 850                 kfree_skb(skb);
 851         }
 852
 853         if (queue_index != MGNT_QUEUE) {
 854                 priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom);
 855                 priv->ieee80211->stats.tx_packets++;
 856         }
 857 }
 858
 859 /*
 860  * This is a rough attempt to TX a frame
 861  * This is called by the ieee 80211 stack to TX management frames.
 862  * If the ring is full packet are dropped (for data frame the queue
 863  * is stopped before this can happen).
 864  */
 865 static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
 866 {
 867         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 868         int ret;
 869         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 870         u8 queue_index = tcb_desc->queue_index;
 871
 872         if (queue_index != TXCMD_QUEUE) {
 873                 if (priv->bHwRadioOff || (!priv->up))
 874                 {
 875                         kfree_skb(skb);
 876                         return 0;
 877                 }
 878         }
 879
 880         memcpy(skb->cb, &dev, sizeof(dev));
 881         if (queue_index == TXCMD_QUEUE) {
 882                 rtl819xE_tx_cmd(priv, skb);
 883                 ret = 0;
 884                 return ret;
 885         } else {
 886                 tcb_desc->RATRIndex = 7;
 887                 tcb_desc->bTxDisableRateFallBack = 1;
 888                 tcb_desc->bTxUseDriverAssingedRate = 1;
 889                 tcb_desc->bTxEnableFwCalcDur = 1;
 890                 skb_push(skb, priv->ieee80211->tx_headroom);
 891                 ret = rtl8192_tx(priv, skb);
 892                 if (ret != 0) {
 893                         kfree_skb(skb);
 894                 }
 895         }
 896
 897         return ret;
 898 }
 899
 900
 901 static void rtl8192_tx_isr(struct r8192_priv *priv, int prio)
 902 {
 903         struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
 904
 905         while (skb_queue_len(&ring->queue)) {
 906                 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
 907                 struct sk_buff *skb;
 908
 909                 /*
 910                  * beacon packet will only use the first descriptor defaultly,
 911                  * and the OWN may not be cleared by the hardware
 912                  */
 913                 if (prio != BEACON_QUEUE) {
 914                         if (entry->OWN)
 915                                 return;
 916                         ring->idx = (ring->idx + 1) % ring->entries;
 917                 }
 918
 919                 skb = __skb_dequeue(&ring->queue);
 920                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
 921                                  skb->len, PCI_DMA_TODEVICE);
 922
 923                 kfree_skb(skb);
 924         }
 925
 926         if (prio != BEACON_QUEUE) {
 927                 /* try to deal with the pending packets  */
 928                 tasklet_schedule(&priv->irq_tx_tasklet);
 929         }
 930 }
 931
 932 static void rtl8192_stop_beacon(struct net_device *dev)
 933 {
 934 }
 935
 936 static void rtl8192_config_rate(struct r8192_priv *priv, u16* rate_config)
 937 {
 938          struct ieee80211_network *net;
 939          u8 i=0, basic_rate = 0;
 940          net = & priv->ieee80211->current_network;
 941
 942          for (i=0; i<net->rates_len; i++)
 943          {
 944                  basic_rate = net->rates[i]&0x7f;
 945                  switch(basic_rate)
 946                  {
 947                          case MGN_1M:   *rate_config |= RRSR_1M;        break;
 948                          case MGN_2M:   *rate_config |= RRSR_2M;        break;
 949                          case MGN_5_5M: *rate_config |= RRSR_5_5M;      break;
 950                          case MGN_11M:  *rate_config |= RRSR_11M;       break;
 951                          case MGN_6M:   *rate_config |= RRSR_6M;        break;
 952                          case MGN_9M:   *rate_config |= RRSR_9M;        break;
 953                          case MGN_12M:  *rate_config |= RRSR_12M;       break;
 954                          case MGN_18M:  *rate_config |= RRSR_18M;       break;
 955                          case MGN_24M:  *rate_config |= RRSR_24M;       break;
 956                          case MGN_36M:  *rate_config |= RRSR_36M;       break;
 957                          case MGN_48M:  *rate_config |= RRSR_48M;       break;
 958                          case MGN_54M:  *rate_config |= RRSR_54M;       break;
 959                  }
 960          }
 961          for (i=0; i<net->rates_ex_len; i++)
 962          {
 963                  basic_rate = net->rates_ex[i]&0x7f;
 964                  switch(basic_rate)
 965                  {
 966                          case MGN_1M:   *rate_config |= RRSR_1M;        break;
 967                          case MGN_2M:   *rate_config |= RRSR_2M;        break;
 968                          case MGN_5_5M: *rate_config |= RRSR_5_5M;      break;
 969                          case MGN_11M:  *rate_config |= RRSR_11M;       break;
 970                          case MGN_6M:   *rate_config |= RRSR_6M;        break;
 971                          case MGN_9M:   *rate_config |= RRSR_9M;        break;
 972                          case MGN_12M:  *rate_config |= RRSR_12M;       break;
 973                          case MGN_18M:  *rate_config |= RRSR_18M;       break;
 974                          case MGN_24M:  *rate_config |= RRSR_24M;       break;
 975                          case MGN_36M:  *rate_config |= RRSR_36M;       break;
 976                          case MGN_48M:  *rate_config |= RRSR_48M;       break;
 977                          case MGN_54M:  *rate_config |= RRSR_54M;       break;
 978                  }
 979          }
 980 }
 981
 982
 983 #define SHORT_SLOT_TIME 9
 984 #define NON_SHORT_SLOT_TIME 20
 985
 986 static void rtl8192_update_cap(struct r8192_priv *priv, u16 cap)
 987 {
 988         u32 tmp = 0;
 989         struct ieee80211_network *net = &priv->ieee80211->current_network;
 990
 991         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
 992         tmp = priv->basic_rate;
 993         if (priv->short_preamble)
 994                 tmp |= BRSR_AckShortPmb;
 995         write_nic_dword(priv, RRSR, tmp);
 996
 997         if (net->mode & (IEEE_G|IEEE_N_24G))
 998         {
 999                 u8 slot_time = 0;
1000                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1001                 {//short slot time
1002                         slot_time = SHORT_SLOT_TIME;
1003                 }
1004                 else //long slot time
1005                         slot_time = NON_SHORT_SLOT_TIME;
1006                 priv->slot_time = slot_time;
1007                 write_nic_byte(priv, SLOT_TIME, slot_time);
1008         }
1009
1010 }
1011
1012 static void rtl8192_net_update(struct r8192_priv *priv)
1013 {
1014         struct ieee80211_network *net;
1015         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1016         u16 rate_config = 0;
1017         net = &priv->ieee80211->current_network;
1018
1019         /* update Basic rate: RR, BRSR */
1020         rtl8192_config_rate(priv, &rate_config);
1021
1022         /*
1023          * Select RRSR (in Legacy-OFDM and CCK)
1024          * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1025          * 2M, and 1M from the Basic rate.
1026          * We do not use other rates.
1027          */
1028         priv->basic_rate = rate_config &= 0x15f;
1029
1030         /* BSSID */
1031         write_nic_dword(priv, BSSIDR, ((u32 *)net->bssid)[0]);
1032         write_nic_word(priv, BSSIDR+4, ((u16 *)net->bssid)[2]);
1033
1034         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1035         {
1036                 write_nic_word(priv, ATIMWND, 2);
1037                 write_nic_word(priv, BCN_DMATIME, 256);
1038                 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
1039                 /*
1040                  * BIT15 of BCN_DRV_EARLY_INT will indicate
1041                  * whether software beacon or hw beacon is applied.
1042                  */
1043                 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
1044                 write_nic_byte(priv, BCN_ERR_THRESH, 100);
1045
1046                 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1047                 /* TODO: BcnIFS may required to be changed on ASIC */
1048                 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1049                 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
1050         }
1051 }
1052
1053 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb)
1054 {
1055     struct rtl8192_tx_ring *ring;
1056     tx_desc_819x_pci *entry;
1057     unsigned int idx;
1058     dma_addr_t mapping;
1059     cb_desc *tcb_desc;
1060     unsigned long flags;
1061
1062     ring = &priv->tx_ring[TXCMD_QUEUE];
1063     mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1064
1065     spin_lock_irqsave(&priv->irq_th_lock,flags);
1066     idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1067     entry = &ring->desc[idx];
1068
1069     tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1070     memset(entry,0,12);
1071     entry->LINIP = tcb_desc->bLastIniPkt;
1072     entry->FirstSeg = 1;//first segment
1073     entry->LastSeg = 1; //last segment
1074     if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1075         entry->CmdInit = DESC_PACKET_TYPE_INIT;
1076     } else {
1077         entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1078         entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1079         entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1080         entry->QueueSelect = QSLT_CMD;
1081         entry->TxFWInfoSize = 0x08;
1082         entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1083     }
1084     entry->TxBufferSize = skb->len;
1085     entry->TxBuffAddr = cpu_to_le32(mapping);
1086     entry->OWN = 1;
1087
1088     __skb_queue_tail(&ring->queue, skb);
1089     spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1090
1091     write_nic_byte(priv, TPPoll, TPPoll_CQ);
1092
1093     return;
1094 }
1095
1096 /*
1097  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1098  * in TxFwInfo data structure
1099  */
1100 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1101 {
1102         u8 QueueSelect = 0;
1103
1104         switch (QueueID) {
1105         case BE_QUEUE:
1106                 QueueSelect = QSLT_BE;
1107                 break;
1108
1109         case BK_QUEUE:
1110                 QueueSelect = QSLT_BK;
1111                 break;
1112
1113         case VO_QUEUE:
1114                 QueueSelect = QSLT_VO;
1115                 break;
1116
1117         case VI_QUEUE:
1118                 QueueSelect = QSLT_VI;
1119                 break;
1120
1121         case MGNT_QUEUE:
1122                 QueueSelect = QSLT_MGNT;
1123                 break;
1124
1125         case BEACON_QUEUE:
1126                 QueueSelect = QSLT_BEACON;
1127                 break;
1128
1129         case TXCMD_QUEUE:
1130                 QueueSelect = QSLT_CMD;
1131                 break;
1132
1133         case HIGH_QUEUE:
1134         default:
1135                 RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID);
1136                 break;
1137         }
1138         return QueueSelect;
1139 }
1140
1141 static u8 MRateToHwRate8190Pci(u8 rate)
1142 {
1143         u8  ret = DESC90_RATE1M;
1144
1145         switch(rate) {
1146                 case MGN_1M:    ret = DESC90_RATE1M;            break;
1147                 case MGN_2M:    ret = DESC90_RATE2M;            break;
1148                 case MGN_5_5M:  ret = DESC90_RATE5_5M;  break;
1149                 case MGN_11M:   ret = DESC90_RATE11M;   break;
1150                 case MGN_6M:    ret = DESC90_RATE6M;            break;
1151                 case MGN_9M:    ret = DESC90_RATE9M;            break;
1152                 case MGN_12M:   ret = DESC90_RATE12M;   break;
1153                 case MGN_18M:   ret = DESC90_RATE18M;   break;
1154                 case MGN_24M:   ret = DESC90_RATE24M;   break;
1155                 case MGN_36M:   ret = DESC90_RATE36M;   break;
1156                 case MGN_48M:   ret = DESC90_RATE48M;   break;
1157                 case MGN_54M:   ret = DESC90_RATE54M;   break;
1158
1159                 // HT rate since here
1160                 case MGN_MCS0:  ret = DESC90_RATEMCS0;  break;
1161                 case MGN_MCS1:  ret = DESC90_RATEMCS1;  break;
1162                 case MGN_MCS2:  ret = DESC90_RATEMCS2;  break;
1163                 case MGN_MCS3:  ret = DESC90_RATEMCS3;  break;
1164                 case MGN_MCS4:  ret = DESC90_RATEMCS4;  break;
1165                 case MGN_MCS5:  ret = DESC90_RATEMCS5;  break;
1166                 case MGN_MCS6:  ret = DESC90_RATEMCS6;  break;
1167                 case MGN_MCS7:  ret = DESC90_RATEMCS7;  break;
1168                 case MGN_MCS8:  ret = DESC90_RATEMCS8;  break;
1169                 case MGN_MCS9:  ret = DESC90_RATEMCS9;  break;
1170                 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1171                 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1172                 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1173                 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1174                 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1175                 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1176                 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1177
1178                 default:       break;
1179         }
1180         return ret;
1181 }
1182
1183
1184 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1185 {
1186         u8   tmp_Short;
1187
1188         tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1189
1190         if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1191                 tmp_Short = 0;
1192
1193         return tmp_Short;
1194 }
1195
1196 /*
1197  * The tx procedure is just as following,
1198  * skb->cb will contain all the following information,
1199  * priority, morefrag, rate, &dev.
1200  */
1201 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb)
1202 {
1203         struct rtl8192_tx_ring *ring;
1204         unsigned long flags;
1205         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1206         tx_desc_819x_pci *pdesc = NULL;
1207         TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1208         dma_addr_t mapping;
1209         bool multi_addr = false, broad_addr = false, uni_addr = false;
1210         u8 *pda_addr = NULL;
1211         int idx;
1212
1213         if (priv->bdisable_nic) {
1214                 RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1215                          skb->len, tcb_desc->queue_index);
1216                 return skb->len;
1217         }
1218
1219 #ifdef ENABLE_LPS
1220         priv->ieee80211->bAwakePktSent = true;
1221 #endif
1222
1223         mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1224
1225         /* collect the tx packets statitcs */
1226         pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
1227         if (is_multicast_ether_addr(pda_addr))
1228                 multi_addr = true;
1229         else if (is_broadcast_ether_addr(pda_addr))
1230                 broad_addr = true;
1231         else
1232                 uni_addr = true;
1233
1234         if (uni_addr)
1235                 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1236
1237         /* fill tx firmware */
1238         pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1239         memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
1240         pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1241         pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1242         pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1243         pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1244
1245         /* Aggregation related */
1246         if (tcb_desc->bAMPDUEnable) {
1247                 pTxFwInfo->AllowAggregation = 1;
1248                 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1249                 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1250         } else {
1251                 pTxFwInfo->AllowAggregation = 0;
1252                 pTxFwInfo->RxMF = 0;
1253                 pTxFwInfo->RxAMD = 0;
1254         }
1255
1256         /* Protection mode related */
1257         pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1258         pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1259         pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1260         pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1261         pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1262         pTxFwInfo->RtsBandwidth = 0;
1263         pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1264         pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);
1265
1266         /* Set Bandwidth and sub-channel settings. */
1267         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1268                 if (tcb_desc->bPacketBW) {
1269                         pTxFwInfo->TxBandwidth = 1;
1270                         /* use duplicated mode */
1271                         pTxFwInfo->TxSubCarrier = 0;
1272                 } else {
1273                         pTxFwInfo->TxBandwidth = 0;
1274                         pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1275                 }
1276         } else {
1277                 pTxFwInfo->TxBandwidth = 0;
1278                 pTxFwInfo->TxSubCarrier = 0;
1279         }
1280
1281         spin_lock_irqsave(&priv->irq_th_lock, flags);
1282         ring = &priv->tx_ring[tcb_desc->queue_index];
1283         if (tcb_desc->queue_index != BEACON_QUEUE)
1284                 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1285         else
1286                 idx = 0;
1287
1288         pdesc = &ring->desc[idx];
1289         if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1290                 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x\n",
1291                          tcb_desc->queue_index, ring->idx, idx, skb->len);
1292                 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1293                 return skb->len;
1294         }
1295
1296         /* fill tx descriptor */
1297         memset(pdesc, 0, 12);
1298
1299         /*DWORD 0*/
1300         pdesc->LINIP = 0;
1301         pdesc->CmdInit = 1;
1302         pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
1303         pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1304
1305         /*DWORD 1*/
1306         pdesc->SecCAMID = 0;
1307         pdesc->RATid = tcb_desc->RATRIndex;
1308
1309         pdesc->NoEnc = 1;
1310         pdesc->SecType = 0x0;
1311         if (tcb_desc->bHwSec) {
1312                 switch (priv->ieee80211->pairwise_key_type) {
1313                 case KEY_TYPE_WEP40:
1314                 case KEY_TYPE_WEP104:
1315                         pdesc->SecType = 0x1;
1316                         pdesc->NoEnc = 0;
1317                         break;
1318                 case KEY_TYPE_TKIP:
1319                         pdesc->SecType = 0x2;
1320                         pdesc->NoEnc = 0;
1321                         break;
1322                 case KEY_TYPE_CCMP:
1323                         pdesc->SecType = 0x3;
1324                         pdesc->NoEnc = 0;
1325                         break;
1326                 case KEY_TYPE_NA:
1327                         pdesc->SecType = 0x0;
1328                         pdesc->NoEnc = 1;
1329                         break;
1330                 }
1331         }
1332
1333         /* Set Packet ID */
1334         pdesc->PktId = 0x0;
1335
1336         pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1337         pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1338
1339         pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1340         pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1341
1342         pdesc->FirstSeg = 1;
1343         pdesc->LastSeg = 1;
1344         pdesc->TxBufferSize = skb->len;
1345
1346         pdesc->TxBuffAddr = cpu_to_le32(mapping);
1347         __skb_queue_tail(&ring->queue, skb);
1348         pdesc->OWN = 1;
1349         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1350         priv->ieee80211->dev->trans_start = jiffies;
1351         write_nic_word(priv, TPPoll, 0x01<<tcb_desc->queue_index);
1352         return 0;
1353 }
1354
1355 static short rtl8192_alloc_rx_desc_ring(struct r8192_priv *priv)
1356 {
1357     rx_desc_819x_pci *entry = NULL;
1358     int i;
1359
1360     priv->rx_ring = pci_alloc_consistent(priv->pdev,
1361             sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1362
1363     if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1364         RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1365         return -ENOMEM;
1366     }
1367
1368     memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1369     priv->rx_idx = 0;
1370
1371     for (i = 0; i < priv->rxringcount; i++) {
1372         struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1373         dma_addr_t *mapping;
1374         entry = &priv->rx_ring[i];
1375         if (!skb)
1376             return 0;
1377         priv->rx_buf[i] = skb;
1378         mapping = (dma_addr_t *)skb->cb;
1379         *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
1380                 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1381
1382         entry->BufferAddress = cpu_to_le32(*mapping);
1383
1384         entry->Length = priv->rxbuffersize;
1385         entry->OWN = 1;
1386     }
1387
1388     entry->EOR = 1;
1389     return 0;
1390 }
1391
1392 static int rtl8192_alloc_tx_desc_ring(struct r8192_priv *priv,
1393         unsigned int prio, unsigned int entries)
1394 {
1395     tx_desc_819x_pci *ring;
1396     dma_addr_t dma;
1397     int i;
1398
1399     ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1400     if (!ring || (unsigned long)ring & 0xFF) {
1401         RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1402         return -ENOMEM;
1403     }
1404
1405     memset(ring, 0, sizeof(*ring)*entries);
1406     priv->tx_ring[prio].desc = ring;
1407     priv->tx_ring[prio].dma = dma;
1408     priv->tx_ring[prio].idx = 0;
1409     priv->tx_ring[prio].entries = entries;
1410     skb_queue_head_init(&priv->tx_ring[prio].queue);
1411
1412     for (i = 0; i < entries; i++)
1413         ring[i].NextDescAddress =
1414             cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1415
1416     return 0;
1417 }
1418
1419 static short rtl8192_pci_initdescring(struct r8192_priv *priv)
1420 {
1421         u32 ret;
1422         int i;
1423
1424         ret = rtl8192_alloc_rx_desc_ring(priv);
1425         if (ret)
1426                 return ret;
1427
1428         /* general process for other queue */
1429         for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1430                 ret = rtl8192_alloc_tx_desc_ring(priv, i, priv->txringcount);
1431                 if (ret)
1432                         goto err_free_rings;
1433         }
1434
1435         return 0;
1436
1437 err_free_rings:
1438         rtl8192_free_rx_ring(priv);
1439         for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1440                 if (priv->tx_ring[i].desc)
1441                         rtl8192_free_tx_ring(priv, i);
1442         return 1;
1443 }
1444
1445 static void rtl8192_pci_resetdescring(struct r8192_priv *priv)
1446 {
1447     int i;
1448
1449     /* force the rx_idx to the first one */
1450     if(priv->rx_ring) {
1451         rx_desc_819x_pci *entry = NULL;
1452         for (i = 0; i < priv->rxringcount; i++) {
1453             entry = &priv->rx_ring[i];
1454             entry->OWN = 1;
1455         }
1456         priv->rx_idx = 0;
1457     }
1458
1459     /* after reset, release previous pending packet, and force the
1460      * tx idx to the first one */
1461     for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1462         if (priv->tx_ring[i].desc) {
1463             struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1464
1465             while (skb_queue_len(&ring->queue)) {
1466                 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1467                 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1468
1469                 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1470                         skb->len, PCI_DMA_TODEVICE);
1471                 kfree_skb(skb);
1472                 ring->idx = (ring->idx + 1) % ring->entries;
1473             }
1474             ring->idx = 0;
1475         }
1476     }
1477 }
1478
1479 static void rtl8192_link_change(struct net_device *dev)
1480 {
1481         struct r8192_priv *priv = ieee80211_priv(dev);
1482         struct ieee80211_device* ieee = priv->ieee80211;
1483
1484         if (ieee->state == IEEE80211_LINKED)
1485         {
1486                 rtl8192_net_update(priv);
1487                 rtl8192_update_ratr_table(priv);
1488
1489                 //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
1490                 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1491                 EnableHWSecurityConfig8192(priv);
1492         }
1493         else
1494         {
1495                 write_nic_byte(priv, 0x173, 0);
1496         }
1497
1498         rtl8192_update_msr(priv);
1499
1500         // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1501         //      // To set CBSSID bit when link with any AP or STA.
1502         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1503         {
1504                 u32 reg = 0;
1505                 reg = read_nic_dword(priv, RCR);
1506                 if (priv->ieee80211->state == IEEE80211_LINKED)
1507                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1508                 else
1509                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1510                 write_nic_dword(priv, RCR, reg);
1511         }
1512 }
1513
1514
1515 static const struct ieee80211_qos_parameters def_qos_parameters = {
1516         {3,3,3,3},/* cw_min */
1517         {7,7,7,7},/* cw_max */
1518         {2,2,2,2},/* aifs */
1519         {0,0,0,0},/* flags */
1520         {0,0,0,0} /* tx_op_limit */
1521 };
1522
1523 static void rtl8192_update_beacon(struct work_struct * work)
1524 {
1525         struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1526         struct ieee80211_device* ieee = priv->ieee80211;
1527         struct ieee80211_network* net = &ieee->current_network;
1528
1529         if (ieee->pHTInfo->bCurrentHTSupport)
1530                 HTUpdateSelfAndPeerSetting(ieee, net);
1531         ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1532         rtl8192_update_cap(priv, net->capability);
1533 }
1534
1535 /*
1536 * background support to run QoS activate functionality
1537 */
1538 static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1539 static void rtl8192_qos_activate(struct work_struct * work)
1540 {
1541         struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1542         struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1543         u8 mode = priv->ieee80211->current_network.mode;
1544         u8  u1bAIFS;
1545         u32 u4bAcParam;
1546         int i;
1547
1548         mutex_lock(&priv->mutex);
1549         if(priv->ieee80211->state != IEEE80211_LINKED)
1550                 goto success;
1551         RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
1552         /* It better set slot time at first */
1553         /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1554         /* update the ac parameter to related registers */
1555         for(i = 0; i <  QOS_QUEUE_NUM; i++) {
1556                 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1557                 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
1558                 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
1559                                 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
1560                                 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
1561                                 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
1562                 write_nic_dword(priv, WDCAPARA_ADD[i], u4bAcParam);
1563         }
1564
1565 success:
1566         mutex_unlock(&priv->mutex);
1567 }
1568
1569 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1570                 int active_network,
1571                 struct ieee80211_network *network)
1572 {
1573         int ret = 0;
1574         u32 size = sizeof(struct ieee80211_qos_parameters);
1575
1576         if(priv->ieee80211->state !=IEEE80211_LINKED)
1577                 return ret;
1578
1579         if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1580                 return ret;
1581
1582         if (network->flags & NETWORK_HAS_QOS_MASK) {
1583                 if (active_network &&
1584                                 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1585                         network->qos_data.active = network->qos_data.supported;
1586
1587                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1588                                 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1589                                 (network->qos_data.old_param_count !=
1590                                  network->qos_data.param_count)) {
1591                         network->qos_data.old_param_count =
1592                                 network->qos_data.param_count;
1593                         queue_work(priv->priv_wq, &priv->qos_activate);
1594                         RT_TRACE (COMP_QOS, "QoS parameters change call "
1595                                         "qos_activate\n");
1596                 }
1597         } else {
1598                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1599                        &def_qos_parameters, size);
1600
1601                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1602                         queue_work(priv->priv_wq, &priv->qos_activate);
1603                         RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate\n");
1604                 }
1605                 network->qos_data.active = 0;
1606                 network->qos_data.supported = 0;
1607         }
1608
1609         return 0;
1610 }
1611
1612 /* handle manage frame frame beacon and probe response */
1613 static int rtl8192_handle_beacon(struct net_device * dev,
1614                               struct ieee80211_beacon * beacon,
1615                               struct ieee80211_network * network)
1616 {
1617         struct r8192_priv *priv = ieee80211_priv(dev);
1618
1619         rtl8192_qos_handle_probe_response(priv,1,network);
1620
1621         queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1622         return 0;
1623
1624 }
1625
1626 /*
1627  * handling the beaconing responses. if we get different QoS setting
1628  * off the network from the associated setting, adjust the QoS setting
1629  */
1630 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1631                                     struct ieee80211_network *network)
1632 {
1633         int ret = 0;
1634         unsigned long flags;
1635         u32 size = sizeof(struct ieee80211_qos_parameters);
1636         int set_qos_param = 0;
1637
1638         if ((priv == NULL) || (network == NULL))
1639                 return ret;
1640
1641         if (priv->ieee80211->state != IEEE80211_LINKED)
1642                 return ret;
1643
1644         if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1645                 return ret;
1646
1647         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1648         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1649                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1650                          &network->qos_data.parameters,
1651                         sizeof(struct ieee80211_qos_parameters));
1652                 priv->ieee80211->current_network.qos_data.active = 1;
1653                 set_qos_param = 1;
1654                 /* update qos parameter for current network */
1655                 priv->ieee80211->current_network.qos_data.old_param_count =
1656                         priv->ieee80211->current_network.qos_data.param_count;
1657                 priv->ieee80211->current_network.qos_data.param_count =
1658                         network->qos_data.param_count;
1659
1660         } else {
1661                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1662                        &def_qos_parameters, size);
1663                 priv->ieee80211->current_network.qos_data.active = 0;
1664                 priv->ieee80211->current_network.qos_data.supported = 0;
1665                 set_qos_param = 1;
1666         }
1667
1668         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1669
1670         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__,
1671                 network->flags, priv->ieee80211->current_network.qos_data.active);
1672         if (set_qos_param == 1)
1673                 queue_work(priv->priv_wq, &priv->qos_activate);
1674
1675         return ret;
1676 }
1677
1678
1679 static int rtl8192_handle_assoc_response(struct net_device *dev,
1680                                      struct ieee80211_assoc_response_frame *resp,
1681                                      struct ieee80211_network *network)
1682 {
1683         struct r8192_priv *priv = ieee80211_priv(dev);
1684         rtl8192_qos_association_resp(priv, network);
1685         return 0;
1686 }
1687
1688
1689 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1690 static void rtl8192_update_ratr_table(struct r8192_priv* priv)
1691 {
1692         struct ieee80211_device* ieee = priv->ieee80211;
1693         u8* pMcsRate = ieee->dot11HTOperationalRateSet;
1694         u32 ratr_value = 0;
1695         u8 rate_index = 0;
1696
1697         rtl8192_config_rate(priv, (u16*)(&ratr_value));
1698         ratr_value |= (*(u16*)(pMcsRate)) << 12;
1699
1700         switch (ieee->mode)
1701         {
1702                 case IEEE_A:
1703                         ratr_value &= 0x00000FF0;
1704                         break;
1705                 case IEEE_B:
1706                         ratr_value &= 0x0000000F;
1707                         break;
1708                 case IEEE_G:
1709                         ratr_value &= 0x00000FF7;
1710                         break;
1711                 case IEEE_N_24G:
1712                 case IEEE_N_5G:
1713                         if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
1714                                 ratr_value &= 0x0007F007;
1715                         else{
1716                                 if (priv->rf_type == RF_1T2R)
1717                                         ratr_value &= 0x000FF007;
1718                                 else
1719                                         ratr_value &= 0x0F81F007;
1720                         }
1721                         break;
1722                 default:
1723                         break;
1724         }
1725         ratr_value &= 0x0FFFFFFF;
1726         if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
1727                 ratr_value |= 0x80000000;
1728         }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
1729                 ratr_value |= 0x80000000;
1730         }
1731         write_nic_dword(priv, RATR0+rate_index*4, ratr_value);
1732         write_nic_byte(priv, UFWP, 1);
1733 }
1734
1735 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
1736 {
1737         struct r8192_priv *priv = ieee80211_priv(dev);
1738         struct ieee80211_device *ieee = priv->ieee80211;
1739
1740         return !(ieee->rtllib_ap_sec_type &&
1741                  (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP)));
1742 }
1743
1744 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
1745 {
1746         struct ieee80211_device* ieee = priv->ieee80211;
1747         //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1748         if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
1749         {
1750                 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
1751         }
1752         else
1753                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
1754 }
1755
1756 static u8 rtl8192_getSupportedWireleeMode(void)
1757 {
1758         return (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
1759 }
1760
1761 static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
1762 {
1763         struct r8192_priv *priv = ieee80211_priv(dev);
1764         u8 bSupportMode = rtl8192_getSupportedWireleeMode();
1765
1766         if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
1767         {
1768                 if(bSupportMode & WIRELESS_MODE_N_24G)
1769                 {
1770                         wireless_mode = WIRELESS_MODE_N_24G;
1771                 }
1772                 else if(bSupportMode & WIRELESS_MODE_N_5G)
1773                 {
1774                         wireless_mode = WIRELESS_MODE_N_5G;
1775                 }
1776                 else if((bSupportMode & WIRELESS_MODE_A))
1777                 {
1778                         wireless_mode = WIRELESS_MODE_A;
1779                 }
1780                 else if((bSupportMode & WIRELESS_MODE_G))
1781                 {
1782                         wireless_mode = WIRELESS_MODE_G;
1783                 }
1784                 else if((bSupportMode & WIRELESS_MODE_B))
1785                 {
1786                         wireless_mode = WIRELESS_MODE_B;
1787                 }
1788                 else{
1789                         RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
1790                         wireless_mode = WIRELESS_MODE_B;
1791                 }
1792         }
1793         priv->ieee80211->mode = wireless_mode;
1794
1795         if ((wireless_mode == WIRELESS_MODE_N_24G) ||  (wireless_mode == WIRELESS_MODE_N_5G))
1796                 priv->ieee80211->pHTInfo->bEnableHT = 1;
1797         else
1798                 priv->ieee80211->pHTInfo->bEnableHT = 0;
1799         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1800         rtl8192_refresh_supportrate(priv);
1801 }
1802
1803 static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
1804 {
1805         struct r8192_priv* priv = ieee80211_priv(dev);
1806         struct ieee80211_device* ieee = priv->ieee80211;
1807
1808         return ieee->bHalfWirelessN24GMode;
1809 }
1810
1811 static short rtl8192_is_tx_queue_empty(struct net_device *dev)
1812 {
1813         int i=0;
1814         struct r8192_priv *priv = ieee80211_priv(dev);
1815         for (i=0; i<=MGNT_QUEUE; i++)
1816         {
1817                 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1818                         continue;
1819                 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1820                         printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1821                         return 0;
1822                 }
1823         }
1824         return 1;
1825 }
1826
1827 static void rtl8192_hw_sleep_down(struct r8192_priv *priv)
1828 {
1829         MgntActSet_RF_State(priv, eRfSleep, RF_CHANGE_BY_PS);
1830 }
1831
1832 static void rtl8192_hw_wakeup(struct net_device* dev)
1833 {
1834         struct r8192_priv *priv = ieee80211_priv(dev);
1835         MgntActSet_RF_State(priv, eRfOn, RF_CHANGE_BY_PS);
1836 }
1837
1838 static void rtl8192_hw_wakeup_wq (struct work_struct *work)
1839 {
1840         struct delayed_work *dwork = container_of(work,struct delayed_work,work);
1841         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
1842         struct net_device *dev = ieee->dev;
1843         rtl8192_hw_wakeup(dev);
1844
1845 }
1846
1847 #define MIN_SLEEP_TIME 50
1848 #define MAX_SLEEP_TIME 10000
1849 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
1850 {
1851         struct r8192_priv *priv = ieee80211_priv(dev);
1852         u32 tmp;
1853         u32 rb = jiffies;
1854
1855         // Writing HW register with 0 equals to disable
1856         // the timer, that is not really what we want
1857         //
1858         tl -= MSECS(8+16+7);
1859
1860         // If the interval in witch we are requested to sleep is too
1861         // short then give up and remain awake
1862         // when we sleep after send null frame, the timer will be too short to sleep.
1863         //
1864         if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
1865                         ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
1866                 printk("too short to sleep::%x, %x, %lx\n",tl, rb,  MSECS(MIN_SLEEP_TIME));
1867                 return;
1868         }
1869
1870         if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
1871                         ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
1872                         ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
1873                 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb,  MSECS(MAX_SLEEP_TIME));
1874                 return;
1875         }
1876
1877         tmp = (tl>rb)?(tl-rb):(rb-tl);
1878         queue_delayed_work(priv->ieee80211->wq,
1879                            &priv->ieee80211->hw_wakeup_wq,tmp);
1880
1881         rtl8192_hw_sleep_down(priv);
1882 }
1883
1884 static void rtl8192_init_priv_variable(struct r8192_priv *priv)
1885 {
1886         u8 i;
1887         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
1888
1889         // Default Halt the NIC if RF is OFF.
1890         pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
1891         pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
1892         pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
1893         pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
1894         pPSC->bLeisurePs = true;
1895         priv->ieee80211->RegMaxLPSAwakeIntvl = 5;
1896         priv->bHwRadioOff = false;
1897
1898         priv->being_init_adapter = false;
1899         priv->txringcount = 64;//32;
1900         priv->rxbuffersize = 9100;//2048;//1024;
1901         priv->rxringcount = MAX_RX_COUNT;//64;
1902         priv->chan = 1; //set to channel 1
1903         priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1904         priv->RegChannelPlan = 0xf;
1905         priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
1906         priv->ieee80211->iw_mode = IW_MODE_INFRA;
1907         priv->ieee80211->ieee_up=0;
1908         priv->retry_rts = DEFAULT_RETRY_RTS;
1909         priv->retry_data = DEFAULT_RETRY_DATA;
1910         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
1911         priv->ieee80211->rate = 110; //11 mbps
1912         priv->ieee80211->short_slot = 1;
1913         priv->promisc = (priv->ieee80211->dev->flags & IFF_PROMISC) ? 1:0;
1914         priv->bcck_in_ch14 = false;
1915         priv->CCKPresentAttentuation = 0;
1916         priv->rfa_txpowertrackingindex = 0;
1917         priv->rfc_txpowertrackingindex = 0;
1918         priv->CckPwEnl = 6;
1919         //added by amy for silent reset
1920         priv->ResetProgress = RESET_TYPE_NORESET;
1921         priv->bForcedSilentReset = 0;
1922         priv->bDisableNormalResetCheck = false;
1923         priv->force_reset = false;
1924         //added by amy for power save
1925         priv->RfOffReason = 0;
1926         priv->bHwRfOffAction = 0;
1927         priv->PowerSaveControl.bInactivePs = true;
1928         priv->PowerSaveControl.bIPSModeBackup = false;
1929
1930         priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1931         priv->ieee80211->iw_mode = IW_MODE_INFRA;
1932         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
1933                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
1934                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
1935                 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //|  //IEEE_SOFTMAC_SINGLE_QUEUE;
1936
1937         priv->ieee80211->active_scan = 1;
1938         priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
1939         priv->ieee80211->host_encrypt = 1;
1940         priv->ieee80211->host_decrypt = 1;
1941         priv->ieee80211->start_send_beacons = rtl8192_start_beacon;//+by david 081107
1942         priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;//+by david 081107
1943         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1944         priv->ieee80211->set_chan = rtl8192_set_chan;
1945         priv->ieee80211->link_change = rtl8192_link_change;
1946         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1947         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
1948         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
1949         priv->ieee80211->init_wmmparam_flag = 0;
1950         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
1951         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
1952         priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
1953         priv->ieee80211->qos_support = 1;
1954         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
1955         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
1956         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
1957
1958         priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
1959         priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
1960         priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1961         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
1962         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
1963         priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
1964
1965         priv->ieee80211->InitialGainHandler = InitialGain819xPci;
1966
1967 #ifdef ENABLE_IPS
1968         priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
1969         priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
1970 #endif
1971 #ifdef ENABLE_LPS
1972         priv->ieee80211->LeisurePSLeave            = LeisurePSLeave;
1973 #endif
1974
1975         priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
1976         priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
1977
1978         priv->ShortRetryLimit = 0x30;
1979         priv->LongRetryLimit = 0x30;
1980
1981         priv->ReceiveConfig = RCR_ADD3  |
1982                 RCR_AMF | RCR_ADF |             //accept management/data
1983                 RCR_AICV |                      //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
1984                 RCR_AB | RCR_AM | RCR_APM |     //accept BC/MC/UC
1985                 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
1986                 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
1987
1988         priv->pFirmware = vzalloc(sizeof(rt_firmware));
1989
1990         /* rx related queue */
1991         skb_queue_head_init(&priv->skb_queue);
1992
1993         /* Tx related queue */
1994         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1995                 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
1996         }
1997         for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1998                 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
1999         }
2000         priv->rf_set_chan = rtl8192_phy_SwChnl;
2001 }
2002
2003 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
2004 {
2005         spin_lock_init(&priv->irq_th_lock);
2006         spin_lock_init(&priv->rf_ps_lock);
2007         sema_init(&priv->wx_sem,1);
2008         sema_init(&priv->rf_sem,1);
2009         mutex_init(&priv->mutex);
2010 }
2011
2012 /* init tasklet and wait_queue here */
2013 #define DRV_NAME "wlan0"
2014 static void rtl8192_init_priv_task(struct r8192_priv *priv)
2015 {
2016         priv->priv_wq = create_workqueue(DRV_NAME);
2017
2018 #ifdef ENABLE_IPS
2019         INIT_WORK(&priv->ieee80211->ips_leave_wq, IPSLeave_wq);
2020 #endif
2021
2022         INIT_WORK(&priv->reset_wq,  rtl8192_restart);
2023         INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2024         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,  dm_txpower_trackingcallback);
2025         INIT_DELAYED_WORK(&priv->rfpath_check_wq,  dm_rf_pathcheck_workitemcallback);
2026         INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2027         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2028         INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, rtl8192_hw_wakeup_wq);
2029
2030         tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet,
2031                      (unsigned long) priv);
2032         tasklet_init(&priv->irq_tx_tasklet, rtl8192_irq_tx_tasklet,
2033                      (unsigned long) priv);
2034         tasklet_init(&priv->irq_prepare_beacon_tasklet, rtl8192_prepare_beacon,
2035                      (unsigned long) priv);
2036 }
2037
2038 static void rtl8192_get_eeprom_size(struct r8192_priv *priv)
2039 {
2040         u16 curCR = 0;
2041         RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2042         curCR = read_nic_dword(priv, EPROM_CMD);
2043         RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2044         //whether need I consider BIT5?
2045         priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2046         RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2047 }
2048
2049 /*
2050  * Adapter->EEPROMAddressSize should be set before this function call.
2051  *  EEPROM address size can be got through GetEEPROMSize8185()
2052  */
2053 static void rtl8192_read_eeprom_info(struct r8192_priv *priv)
2054 {
2055         struct net_device *dev = priv->ieee80211->dev;
2056         u8                      tempval;
2057         u8                      ICVer8192, ICVer8256;
2058         u16                     i,usValue, IC_Version;
2059         u16                     EEPROMId;
2060         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2061         RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2062
2063
2064         // TODO: I don't know if we need to apply EF function to EEPROM read function
2065
2066         //2 Read EEPROM ID to make sure autoload is success
2067         EEPROMId = eprom_read(priv, 0);
2068         if( EEPROMId != RTL8190_EEPROM_ID )
2069         {
2070                 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2071                 priv->AutoloadFailFlag=true;
2072         }
2073         else
2074         {
2075                 priv->AutoloadFailFlag=false;
2076         }
2077
2078         //
2079         // Assign Chip Version ID
2080         //
2081         // Read IC Version && Channel Plan
2082         if(!priv->AutoloadFailFlag)
2083         {
2084                 // VID, PID
2085                 priv->eeprom_vid = eprom_read(priv, (EEPROM_VID >> 1));
2086                 priv->eeprom_did = eprom_read(priv, (EEPROM_DID >> 1));
2087
2088                 usValue = eprom_read(priv, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2089                 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2090                 usValue = eprom_read(priv, (EEPROM_ICVersion_ChannelPlan>>1));
2091                 priv->eeprom_ChannelPlan = usValue&0xff;
2092                 IC_Version = ((usValue&0xff00)>>8);
2093
2094                 ICVer8192 = (IC_Version&0xf);           //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2095                 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2096                 RT_TRACE(COMP_INIT, "ICVer8192 = 0x%x\n", ICVer8192);
2097                 RT_TRACE(COMP_INIT, "ICVer8256 = 0x%x\n", ICVer8256);
2098                 if(ICVer8192 == 0x2)    //B-cut
2099                 {
2100                         if(ICVer8256 == 0x5) //E-cut
2101                                 priv->card_8192_version= VERSION_8190_BE;
2102                 }
2103
2104                 switch(priv->card_8192_version)
2105                 {
2106                         case VERSION_8190_BD:
2107                         case VERSION_8190_BE:
2108                                 break;
2109                         default:
2110                                 priv->card_8192_version = VERSION_8190_BD;
2111                                 break;
2112                 }
2113                 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2114         }
2115         else
2116         {
2117                 priv->card_8192_version = VERSION_8190_BD;
2118                 priv->eeprom_vid = 0;
2119                 priv->eeprom_did = 0;
2120                 priv->eeprom_CustomerID = 0;
2121                 priv->eeprom_ChannelPlan = 0;
2122                 RT_TRACE(COMP_INIT, "IC Version = 0x%x\n", 0xff);
2123         }
2124
2125         RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2126         RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2127         RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2128
2129         //2 Read Permanent MAC address
2130         if(!priv->AutoloadFailFlag)
2131         {
2132                 for(i = 0; i < 6; i += 2)
2133                 {
2134                         usValue = eprom_read(priv, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2135                         *(u16*)(&dev->dev_addr[i]) = usValue;
2136                 }
2137         } else {
2138                 // when auto load failed,  the last address byte set to be a random one.
2139                 // added by david woo.2007/11/7
2140                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2141         }
2142
2143         RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
2144
2145                 //2 TX Power Check EEPROM Fail or not
2146         if(priv->card_8192_version > VERSION_8190_BD) {
2147                 priv->bTXPowerDataReadFromEEPORM = true;
2148         } else {
2149                 priv->bTXPowerDataReadFromEEPORM = false;
2150         }
2151
2152         // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2153         priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2154
2155         if(priv->card_8192_version > VERSION_8190_BD)
2156         {
2157                 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2158                 if(!priv->AutoloadFailFlag)
2159                 {
2160                         tempval = (eprom_read(priv, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2161                         priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf;        // bit[3:0]
2162
2163                         if (tempval&0x80)       //RF-indication, bit[7]
2164                                 priv->rf_type = RF_1T2R;
2165                         else
2166                                 priv->rf_type = RF_2T4R;
2167                 }
2168                 else
2169                 {
2170                         priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2171                 }
2172                 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2173                         priv->EEPROMLegacyHTTxPowerDiff);
2174
2175                 // Read ThermalMeter from EEPROM
2176                 if(!priv->AutoloadFailFlag)
2177                 {
2178                         priv->EEPROMThermalMeter = (u8)(((eprom_read(priv, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2179                 }
2180                 else
2181                 {
2182                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2183                 }
2184                 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2185                 //vivi, for tx power track
2186                 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2187
2188                 if(priv->epromtype == EPROM_93c46)
2189                 {
2190                 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2191                 if(!priv->AutoloadFailFlag)
2192                 {
2193                                 usValue = eprom_read(priv, (EEPROM_TxPwDiff_CrystalCap>>1));
2194                                 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2195                                 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2196                 }
2197                 else
2198                 {
2199                                 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2200                                 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2201                 }
2202                         RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2203                         RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2204
2205                 //
2206                 // Get per-channel Tx Power Level
2207                 //
2208                 for(i=0; i<14; i+=2)
2209                 {
2210                         if(!priv->AutoloadFailFlag)
2211                         {
2212                                 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2213                         }
2214                         else
2215                         {
2216                                 usValue = EEPROM_Default_TxPower;
2217                         }
2218                         *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2219                         RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2220                         RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2221                 }
2222                 for(i=0; i<14; i+=2)
2223                 {
2224                         if(!priv->AutoloadFailFlag)
2225                         {
2226                                 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2227                         }
2228                         else
2229                         {
2230                                 usValue = EEPROM_Default_TxPower;
2231                         }
2232                         *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2233                         RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2234                         RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2235                 }
2236                 }
2237
2238                 //
2239                 // Update HAL variables.
2240                 //
2241                 if(priv->epromtype == EPROM_93c46)
2242                 {
2243                         for(i=0; i<14; i++)
2244                         {
2245                                 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2246                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
2247                         }
2248                         priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2249                 // Antenna B gain offset to antenna A, bit0~3
2250                         priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
2251                 // Antenna C gain offset to antenna A, bit4~7
2252                         priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
2253                 // Antenna D gain offset to antenna A, bit8~11
2254                         priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
2255                 // CrystalCap, bit12~15
2256                         priv->CrystalCap = priv->EEPROMCrystalCap;
2257                 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2258                         priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2259                         priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2260                 }
2261                 else if(priv->epromtype == EPROM_93c56)
2262                 {
2263                         for(i=0; i<3; i++)      // channel 1~3 use the same Tx Power Level.
2264                         {
2265                                 priv->TxPowerLevelCCK_A[i]  = priv->EEPROMRfACCKChnl1TxPwLevel[0];
2266                                 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
2267                                 priv->TxPowerLevelCCK_C[i] =  priv->EEPROMRfCCCKChnl1TxPwLevel[0];
2268                                 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
2269                         }
2270                         for(i=3; i<9; i++)      // channel 4~9 use the same Tx Power Level
2271                         {
2272                                 priv->TxPowerLevelCCK_A[i]  = priv->EEPROMRfACCKChnl1TxPwLevel[1];
2273                                 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
2274                                 priv->TxPowerLevelCCK_C[i] =  priv->EEPROMRfCCCKChnl1TxPwLevel[1];
2275                                 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
2276                         }
2277                         for(i=9; i<14; i++)     // channel 10~14 use the same Tx Power Level
2278                         {
2279                                 priv->TxPowerLevelCCK_A[i]  = priv->EEPROMRfACCKChnl1TxPwLevel[2];
2280                                 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
2281                                 priv->TxPowerLevelCCK_C[i] =  priv->EEPROMRfCCCKChnl1TxPwLevel[2];
2282                                 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
2283                         }
2284                         for(i=0; i<14; i++)
2285                                 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
2286                         for(i=0; i<14; i++)
2287                                 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
2288                         for(i=0; i<14; i++)
2289                                 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
2290                         for(i=0; i<14; i++)
2291                                 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
2292                         priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2293                         priv->AntennaTxPwDiff[0] = 0;
2294                         priv->AntennaTxPwDiff[1] = 0;
2295                         priv->AntennaTxPwDiff[2] = 0;
2296                         priv->CrystalCap = priv->EEPROMCrystalCap;
2297                         // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2298                         priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2299                         priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2300                 }
2301         }
2302
2303         if(priv->rf_type == RF_1T2R)
2304         {
2305                 RT_TRACE(COMP_INIT, "1T2R config\n");
2306         }
2307         else if (priv->rf_type == RF_2T4R)
2308         {
2309                 RT_TRACE(COMP_INIT, "2T4R config\n");
2310         }
2311
2312         // 2008/01/16 MH We can only know RF type in the function. So we have to init
2313         // DIG RATR table again.
2314         init_rate_adaptive(dev);
2315
2316         //1 Make a copy for following variables and we can change them if we want
2317
2318         if(priv->RegChannelPlan == 0xf)
2319         {
2320                 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2321         }
2322         else
2323         {
2324                 priv->ChannelPlan = priv->RegChannelPlan;
2325         }
2326
2327         //
2328         //  Used PID and DID to Set CustomerID
2329         //
2330         if( priv->eeprom_vid == 0x1186 &&  priv->eeprom_did == 0x3304 )
2331         {
2332                 priv->CustomerID =  RT_CID_DLINK;
2333         }
2334
2335         switch(priv->eeprom_CustomerID)
2336         {
2337                 case EEPROM_CID_DEFAULT:
2338                         priv->CustomerID = RT_CID_DEFAULT;
2339                         break;
2340                 case EEPROM_CID_CAMEO:
2341                         priv->CustomerID = RT_CID_819x_CAMEO;
2342                         break;
2343                 case  EEPROM_CID_RUNTOP:
2344                         priv->CustomerID = RT_CID_819x_RUNTOP;
2345                         break;
2346                 case EEPROM_CID_NetCore:
2347                         priv->CustomerID = RT_CID_819x_Netcore;
2348                         break;
2349                 case EEPROM_CID_TOSHIBA:        // Merge by Jacken, 2008/01/31
2350                         priv->CustomerID = RT_CID_TOSHIBA;
2351                         if(priv->eeprom_ChannelPlan&0x80)
2352                                 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
2353                         else
2354                                 priv->ChannelPlan = 0x0;
2355                         RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
2356                                 priv->ChannelPlan);
2357                         break;
2358                 case EEPROM_CID_Nettronix:
2359                         priv->CustomerID = RT_CID_Nettronix;
2360                         break;
2361                 case EEPROM_CID_Pronet:
2362                         priv->CustomerID = RT_CID_PRONET;
2363                         break;
2364                 case EEPROM_CID_DLINK:
2365                         priv->CustomerID = RT_CID_DLINK;
2366                         break;
2367
2368                 case EEPROM_CID_WHQL:
2369                         break;
2370                 default:
2371                         // value from RegCustomerID
2372                         break;
2373         }
2374
2375         //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2376         if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
2377                 priv->ChannelPlan = 0; //FCC
2378
2379         if( priv->eeprom_vid == 0x1186 &&  priv->eeprom_did == 0x3304)
2380                 priv->ieee80211->bSupportRemoteWakeUp = true;
2381         else
2382                 priv->ieee80211->bSupportRemoteWakeUp = false;
2383
2384
2385         RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
2386         RT_TRACE(COMP_INIT, "ChannelPlan = %d\n", priv->ChannelPlan);
2387         RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
2388 }
2389
2390
2391 static short rtl8192_get_channel_map(struct r8192_priv *priv)
2392 {
2393 #ifdef ENABLE_DOT11D
2394         if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
2395                 printk("rtl8180_init:Error channel plan! Set to default.\n");
2396                 priv->ChannelPlan= 0;
2397         }
2398         RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
2399
2400         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2401 #else
2402         int ch,i;
2403         //Set Default Channel Plan
2404         if(!channels){
2405                 DMESG("No channels, aborting");
2406                 return -1;
2407         }
2408         ch=channels;
2409         priv->ChannelPlan= 0;//hikaru
2410          // set channels 1..14 allowed in given locale
2411         for (i=1; i<=14; i++) {
2412                 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
2413                 ch >>= 1;
2414         }
2415 #endif
2416         return 0;
2417 }
2418
2419 static short rtl8192_init(struct r8192_priv *priv)
2420 {
2421         struct net_device *dev = priv->ieee80211->dev;
2422
2423         memset(&(priv->stats),0,sizeof(struct Stats));
2424         rtl8192_init_priv_variable(priv);
2425         rtl8192_init_priv_lock(priv);
2426         rtl8192_init_priv_task(priv);
2427         rtl8192_get_eeprom_size(priv);
2428         rtl8192_read_eeprom_info(priv);
2429         rtl8192_get_channel_map(priv);
2430         init_hal_dm(dev);
2431         init_timer(&priv->watch_dog_timer);
2432         priv->watch_dog_timer.data = (unsigned long)priv;
2433         priv->watch_dog_timer.function = watch_dog_timer_callback;
2434         if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, dev)) {
2435                 printk("Error allocating IRQ %d",dev->irq);
2436                 return -1;
2437         }else{
2438                 priv->irq=dev->irq;
2439                 printk("IRQ %d",dev->irq);
2440         }
2441         if (rtl8192_pci_initdescring(priv) != 0){
2442                 printk("Endopoints initialization failed");
2443                 return -1;
2444         }
2445
2446         return 0;
2447 }
2448
2449 /*
2450  * Actually only set RRSR, RATR and BW_OPMODE registers
2451  *  not to do all the hw config as its name says
2452  * This part need to modified according to the rate set we filtered
2453  */
2454 static void rtl8192_hwconfig(struct r8192_priv *priv)
2455 {
2456         u32 regRATR = 0, regRRSR = 0;
2457         u8 regBwOpMode = 0, regTmp = 0;
2458
2459 // Set RRSR, RATR, and BW_OPMODE registers
2460         //
2461         switch (priv->ieee80211->mode)
2462         {
2463         case WIRELESS_MODE_B:
2464                 regBwOpMode = BW_OPMODE_20MHZ;
2465                 regRATR = RATE_ALL_CCK;
2466                 regRRSR = RATE_ALL_CCK;
2467                 break;
2468         case WIRELESS_MODE_A:
2469                 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2470                 regRATR = RATE_ALL_OFDM_AG;
2471                 regRRSR = RATE_ALL_OFDM_AG;
2472                 break;
2473         case WIRELESS_MODE_G:
2474                 regBwOpMode = BW_OPMODE_20MHZ;
2475                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2476                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2477                 break;
2478         case WIRELESS_MODE_AUTO:
2479         case WIRELESS_MODE_N_24G:
2480                 // It support CCK rate by default.
2481                 // CCK rate will be filtered out only when associated AP does not support it.
2482                 regBwOpMode = BW_OPMODE_20MHZ;
2483                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2484                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2485                 break;
2486         case WIRELESS_MODE_N_5G:
2487                 regBwOpMode = BW_OPMODE_5G;
2488                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2489                 regRRSR = RATE_ALL_OFDM_AG;
2490                 break;
2491         }
2492
2493         write_nic_byte(priv, BW_OPMODE, regBwOpMode);
2494         {
2495                 u32 ratr_value = 0;
2496                 ratr_value = regRATR;
2497                 if (priv->rf_type == RF_1T2R)
2498                 {
2499                         ratr_value &= ~(RATE_ALL_OFDM_2SS);
2500                 }
2501                 write_nic_dword(priv, RATR0, ratr_value);
2502                 write_nic_byte(priv, UFWP, 1);
2503         }
2504         regTmp = read_nic_byte(priv, 0x313);
2505         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2506         write_nic_dword(priv, RRSR, regRRSR);
2507
2508         //
2509         // Set Retry Limit here
2510         //
2511         write_nic_word(priv, RETRY_LIMIT,
2512                         priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2513                         priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2514         // Set Contention Window here
2515
2516         // Set Tx AGC
2517
2518         // Set Tx Antenna including Feedback control
2519
2520         // Set Auto Rate fallback control
2521
2522
2523 }
2524
2525
2526 static RT_STATUS rtl8192_adapter_start(struct r8192_priv *priv)
2527 {
2528         struct net_device *dev = priv->ieee80211->dev;
2529         u32 ulRegRead;
2530         RT_STATUS rtStatus = RT_STATUS_SUCCESS;
2531         u8 tmpvalue;
2532         u8 ICVersion,SwitchingRegulatorOutput;
2533         bool bfirmwareok = true;
2534         u32     tmpRegA, tmpRegC, TempCCk;
2535         int     i =0;
2536
2537         RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
2538         priv->being_init_adapter = true;
2539         rtl8192_pci_resetdescring(priv);
2540         // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2541         priv->Rf_Mode = RF_OP_By_SW_3wire;
2542
2543         //dPLL on
2544         if(priv->ResetProgress == RESET_TYPE_NORESET)
2545         {
2546             write_nic_byte(priv, ANAPAR, 0x37);
2547             // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
2548             // Joseph increae the time to prevent firmware download fail
2549             mdelay(500);
2550         }
2551
2552         //PlatformSleepUs(10000);
2553         // For any kind of InitializeAdapter process, we shall use system now!!
2554         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2555
2556         //
2557         //3 //Config CPUReset Register
2558         //3//
2559         //3 Firmware Reset Or Not
2560         ulRegRead = read_nic_dword(priv, CPU_GEN);
2561         if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2562         {       //called from MPInitialized. do nothing
2563                 ulRegRead |= CPU_GEN_SYSTEM_RESET;
2564         }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2565                 ulRegRead |= CPU_GEN_FIRMWARE_RESET;    // Called from MPReset
2566         else
2567                 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__,   priv->pFirmware->firmware_status);
2568
2569         write_nic_dword(priv, CPU_GEN, ulRegRead);
2570
2571         //3//
2572         //3 //Fix the issue of E-cut high temperature issue
2573         //3//
2574         // TODO: E cut only
2575         ICVersion = read_nic_byte(priv, IC_VERRSION);
2576         if(ICVersion >= 0x4) //E-cut only
2577         {
2578                 // HW SD suggest that we should not wirte this register too often, so driver
2579                 // should readback this register. This register will be modified only when
2580                 // power on reset
2581                 SwitchingRegulatorOutput = read_nic_byte(priv, SWREGULATOR);
2582                 if(SwitchingRegulatorOutput  != 0xb8)
2583                 {
2584                         write_nic_byte(priv, SWREGULATOR, 0xa8);
2585                         mdelay(1);
2586                         write_nic_byte(priv, SWREGULATOR, 0xb8);
2587                 }
2588         }
2589
2590         //3//
2591         //3// Initialize BB before MAC
2592         //3//
2593         RT_TRACE(COMP_INIT, "BB Config Start!\n");
2594         rtStatus = rtl8192_BBConfig(priv);
2595         if(rtStatus != RT_STATUS_SUCCESS)
2596         {
2597                 RT_TRACE(COMP_ERR, "BB Config failed\n");
2598                 return rtStatus;
2599         }
2600         RT_TRACE(COMP_INIT,"BB Config Finished!\n");
2601
2602         //3//Set Loopback mode or Normal mode
2603         //3//
2604         //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
2605         //      because setting of System_Reset bit reset MAC to default transmission mode.
2606                 //Loopback mode or not
2607         priv->LoopbackMode = RTL819X_NO_LOOPBACK;
2608         if(priv->ResetProgress == RESET_TYPE_NORESET)
2609         {
2610         ulRegRead = read_nic_dword(priv, CPU_GEN);
2611         if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
2612         {
2613                 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
2614         }
2615         else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
2616         {
2617                 ulRegRead |= CPU_CCK_LOOPBACK;
2618         }
2619         else
2620         {
2621                 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
2622         }
2623
2624         //2008.06.03, for WOL
2625         //ulRegRead &= (~(CPU_GEN_GPIO_UART));
2626         write_nic_dword(priv, CPU_GEN, ulRegRead);
2627
2628         // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
2629         udelay(500);
2630         }
2631         //3Set Hardware(Do nothing now)
2632         rtl8192_hwconfig(priv);
2633         //2=======================================================
2634         // Common Setting for all of the FPGA platform. (part 1)
2635         //2=======================================================
2636         // If there is changes, please make sure it applies to all of the FPGA version
2637         //3 Turn on Tx/Rx
2638         write_nic_byte(priv, CMDR, CR_RE|CR_TE);
2639
2640         //2Set Tx dma burst
2641         write_nic_byte(priv, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
2642                                    (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
2643
2644         //set IDR0 here
2645         write_nic_dword(priv, MAC0, ((u32*)dev->dev_addr)[0]);
2646         write_nic_word(priv, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
2647         //set RCR
2648         write_nic_dword(priv, RCR, priv->ReceiveConfig);
2649
2650         //3 Initialize Number of Reserved Pages in Firmware Queue
2651                 write_nic_dword(priv, RQPN1,  NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2652                                         NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2653                                         NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2654                                         NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2655                 write_nic_dword(priv, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
2656                 write_nic_dword(priv, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
2657                                         NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
2658                                         NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
2659
2660         rtl8192_tx_enable(priv);
2661         rtl8192_rx_enable(priv);
2662         //3Set Response Rate Setting Register
2663         // CCK rate is supported by default.
2664         // CCK rate will be filtered out only when associated AP does not support it.
2665         ulRegRead = (0xFFF00000 & read_nic_dword(priv, RRSR))  | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
2666         write_nic_dword(priv, RRSR, ulRegRead);
2667         write_nic_dword(priv, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2668
2669         //2Set AckTimeout
2670         // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
2671         write_nic_byte(priv, ACK_TIMEOUT, 0x30);
2672
2673         if(priv->ResetProgress == RESET_TYPE_NORESET)
2674         rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2675         //-----------------------------------------------------------------------------
2676         // Set up security related. 070106, by rcnjko:
2677         // 1. Clear all H/W keys.
2678         // 2. Enable H/W encryption/decryption.
2679         //-----------------------------------------------------------------------------
2680         CamResetAllEntry(priv);
2681         {
2682                 u8 SECR_value = 0x0;
2683                 SECR_value |= SCR_TxEncEnable;
2684                 SECR_value |= SCR_RxDecEnable;
2685                 SECR_value |= SCR_NoSKMC;
2686                 write_nic_byte(priv, SECR, SECR_value);
2687         }
2688         //3Beacon related
2689         write_nic_word(priv, ATIMWND, 2);
2690         write_nic_word(priv, BCN_INTERVAL, 100);
2691         for (i=0; i<QOS_QUEUE_NUM; i++)
2692                 write_nic_dword(priv, WDCAPARA_ADD[i], 0x005e4332);
2693         //
2694         // Switching regulator controller: This is set temporarily.
2695         // It's not sure if this can be removed in the future.
2696         // PJ advised to leave it by default.
2697         //
2698         write_nic_byte(priv, 0xbe, 0xc0);
2699
2700         //2=======================================================
2701         // Set PHY related configuration defined in MAC register bank
2702         //2=======================================================
2703         rtl8192_phy_configmac(priv);
2704
2705         if (priv->card_8192_version > (u8) VERSION_8190_BD) {
2706                 rtl8192_phy_getTxPower(priv);
2707                 rtl8192_phy_setTxPower(priv, priv->chan);
2708         }
2709
2710         //if D or C cut
2711                 tmpvalue = read_nic_byte(priv, IC_VERRSION);
2712                 priv->IC_Cut = tmpvalue;
2713                 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
2714                 if(priv->IC_Cut >= IC_VersionCut_D)
2715                 {
2716                         //pHalData->bDcut = TRUE;
2717                         if(priv->IC_Cut == IC_VersionCut_D)
2718                                 RT_TRACE(COMP_INIT, "D-cut\n");
2719                         if(priv->IC_Cut == IC_VersionCut_E)
2720                         {
2721                                 RT_TRACE(COMP_INIT, "E-cut\n");
2722                                 // HW SD suggest that we should not wirte this register too often, so driver
2723                                 // should readback this register. This register will be modified only when
2724                                 // power on reset
2725                         }
2726                 }
2727                 else
2728                 {
2729                         //pHalData->bDcut = FALSE;
2730                         RT_TRACE(COMP_INIT, "Before C-cut\n");
2731                 }
2732
2733         //Firmware download
2734         RT_TRACE(COMP_INIT, "Load Firmware!\n");
2735         bfirmwareok = init_firmware(dev);
2736         if(bfirmwareok != true) {
2737                 rtStatus = RT_STATUS_FAILURE;
2738                 return rtStatus;
2739         }
2740         RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
2741
2742         //RF config
2743         if(priv->ResetProgress == RESET_TYPE_NORESET)
2744         {
2745         RT_TRACE(COMP_INIT, "RF Config Started!\n");
2746         rtStatus = rtl8192_phy_RFConfig(priv);
2747         if(rtStatus != RT_STATUS_SUCCESS)
2748         {
2749                 RT_TRACE(COMP_ERR, "RF Config failed\n");
2750                         return rtStatus;
2751         }
2752         RT_TRACE(COMP_INIT, "RF Config Finished!\n");
2753         }
2754         rtl8192_phy_updateInitGain(priv);
2755
2756         /*---- Set CCK and OFDM Block "ON"----*/
2757         rtl8192_setBBreg(priv, rFPGA0_RFMOD, bCCKEn, 0x1);
2758         rtl8192_setBBreg(priv, rFPGA0_RFMOD, bOFDMEn, 0x1);
2759
2760         //Enable Led
2761         write_nic_byte(priv, 0x87, 0x0);
2762
2763         //2=======================================================
2764         // RF Power Save
2765         //2=======================================================
2766 #ifdef ENABLE_IPS
2767
2768 {
2769         if(priv->RfOffReason > RF_CHANGE_BY_PS)
2770         { // H/W or S/W RF OFF before sleep.
2771                 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__,priv->RfOffReason);
2772                 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2773         }
2774         else if(priv->RfOffReason >= RF_CHANGE_BY_IPS)
2775         { // H/W or S/W RF OFF before sleep.
2776                 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n",  __FUNCTION__, priv->RfOffReason);
2777                 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2778         }
2779         else
2780         {
2781                 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
2782                 priv->eRFPowerState = eRfOn;
2783                 priv->RfOffReason = 0;
2784         }
2785 }
2786 #endif
2787         // We can force firmware to do RF-R/W
2788         if(priv->ieee80211->FwRWRF)
2789                 priv->Rf_Mode = RF_OP_By_FW;
2790         else
2791                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2792
2793         if(priv->ResetProgress == RESET_TYPE_NORESET)
2794         {
2795                 dm_initialize_txpower_tracking(priv);
2796
2797                 if(priv->IC_Cut >= IC_VersionCut_D)
2798                 {
2799                         tmpRegA = rtl8192_QueryBBReg(priv, rOFDM0_XATxIQImbalance, bMaskDWord);
2800                         tmpRegC = rtl8192_QueryBBReg(priv, rOFDM0_XCTxIQImbalance, bMaskDWord);
2801                         for(i = 0; i<TxBBGainTableLength; i++)
2802                         {
2803                                 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
2804                                 {
2805                                         priv->rfa_txpowertrackingindex= (u8)i;
2806                                         priv->rfa_txpowertrackingindex_real= (u8)i;
2807                                         priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
2808                                         break;
2809                                 }
2810                         }
2811
2812                 TempCCk = rtl8192_QueryBBReg(priv, rCCK0_TxFilter1, bMaskByte2);
2813
2814                 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
2815                 {
2816                         if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
2817                         {
2818                                 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
2819                                 break;
2820                         }
2821                 }
2822                 priv->CCKPresentAttentuation_40Mdefault = 0;
2823                 priv->CCKPresentAttentuation_difference = 0;
2824                 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
2825                         RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
2826                         RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
2827                         RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
2828                         RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
2829                         priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
2830                 }
2831         }
2832
2833         rtl8192_irq_enable(priv);
2834         priv->being_init_adapter = false;
2835         return rtStatus;
2836
2837 }
2838
2839 static void rtl8192_prepare_beacon(unsigned long arg)
2840 {
2841         struct r8192_priv *priv = (struct r8192_priv*) arg;
2842         struct sk_buff *skb;
2843         cb_desc *tcb_desc;
2844
2845         skb = ieee80211_get_beacon(priv->ieee80211);
2846         tcb_desc = (cb_desc *)(skb->cb + 8);
2847         /* prepare misc info for the beacon xmit */
2848         tcb_desc->queue_index = BEACON_QUEUE;
2849         /* IBSS does not support HT yet, use 1M defaultly */
2850         tcb_desc->data_rate = 2;
2851         tcb_desc->RATRIndex = 7;
2852         tcb_desc->bTxDisableRateFallBack = 1;
2853         tcb_desc->bTxUseDriverAssingedRate = 1;
2854
2855         skb_push(skb, priv->ieee80211->tx_headroom);
2856         if(skb){
2857                 rtl8192_tx(priv, skb);
2858         }
2859 }
2860
2861
2862 /*
2863  * configure registers for beacon tx and enables it via
2864  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
2865  * be used to stop beacon transmission
2866  */
2867 static void rtl8192_start_beacon(struct net_device *dev)
2868 {
2869         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
2870         struct ieee80211_network *net = &priv->ieee80211->current_network;
2871         u16 BcnTimeCfg = 0;
2872         u16 BcnCW = 6;
2873         u16 BcnIFS = 0xf;
2874
2875         DMESG("Enabling beacon TX");
2876         rtl8192_irq_disable(priv);
2877         //rtl8192_beacon_tx_enable(dev);
2878
2879         /* ATIM window */
2880         write_nic_word(priv, ATIMWND, 2);
2881
2882         /* Beacon interval (in unit of TU) */
2883         write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
2884
2885         /*
2886          * DrvErlyInt (in unit of TU).
2887          * (Time to send interrupt to notify driver to c
2888          * hange beacon content)
2889          * */
2890         write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
2891
2892         /*
2893          * BcnDMATIM(in unit of us).
2894          * Indicates the time before TBTT to perform beacon queue DMA
2895          * */
2896         write_nic_word(priv, BCN_DMATIME, 256);
2897
2898         /*
2899          * Force beacon frame transmission even after receiving
2900          * beacon frame from other ad hoc STA
2901          * */
2902         write_nic_byte(priv, BCN_ERR_THRESH, 100);
2903
2904         /* Set CW and IFS */
2905         BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
2906         BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
2907         write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
2908
2909
2910         /* enable the interrupt for ad-hoc process */
2911         rtl8192_irq_enable(priv);
2912 }
2913
2914 static bool HalRxCheckStuck8190Pci(struct r8192_priv *priv)
2915 {
2916         u16 RegRxCounter = read_nic_word(priv, 0x130);
2917         bool                            bStuck = FALSE;
2918
2919         RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
2920         // If rssi is small, we should check rx for long time because of bad rx.
2921         // or maybe it will continuous silent reset every 2 seconds.
2922         priv->rx_chk_cnt++;
2923         if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
2924         {
2925                 priv->rx_chk_cnt = 0;   /* high rssi, check rx stuck right now. */
2926         }
2927         else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
2928                 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
2929                 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
2930
2931         {
2932                 if(priv->rx_chk_cnt < 2)
2933                 {
2934                         return bStuck;
2935                 }
2936                 else
2937                 {
2938                         priv->rx_chk_cnt = 0;
2939                 }
2940         }
2941         else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
2942                 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
2943                 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
2944         {
2945                 if(priv->rx_chk_cnt < 4)
2946                 {
2947                         return bStuck;
2948                 }
2949                 else
2950                 {
2951                         priv->rx_chk_cnt = 0;
2952                 }
2953         }
2954         else
2955         {
2956                 if(priv->rx_chk_cnt < 8)
2957                 {
2958                         return bStuck;
2959                 }
2960                 else
2961                 {
2962                         priv->rx_chk_cnt = 0;
2963                 }
2964         }
2965         if(priv->RxCounter==RegRxCounter)
2966                 bStuck = TRUE;
2967
2968         priv->RxCounter = RegRxCounter;
2969
2970         return bStuck;
2971 }
2972
2973 static RESET_TYPE RxCheckStuck(struct r8192_priv *priv)
2974 {
2975
2976         if(HalRxCheckStuck8190Pci(priv))
2977         {
2978                 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
2979                 return RESET_TYPE_SILENT;
2980         }
2981
2982         return RESET_TYPE_NORESET;
2983 }
2984
2985 static RESET_TYPE
2986 rtl819x_ifcheck_resetornot(struct r8192_priv *priv)
2987 {
2988         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
2989         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
2990         RT_RF_POWER_STATE       rfState;
2991
2992         rfState = priv->eRFPowerState;
2993
2994         if( rfState != eRfOff &&
2995                 /*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/
2996                 (priv->ieee80211->iw_mode != IW_MODE_ADHOC))
2997         {
2998                 // If driver is in the status of firmware download failure , driver skips RF initialization and RF is
2999                 // in turned off state. Driver should check whether Rx stuck and do silent reset. And
3000                 // if driver is in firmware download failure status, driver should initialize RF in the following
3001                 // silent reset procedure Emily, 2008.01.21
3002
3003                 // Driver should not check RX stuck in IBSS mode because it is required to
3004                 // set Check BSSID in order to send beacon, however, if check BSSID is
3005                 // set, STA cannot hear any packet a all. Emily, 2008.04.12
3006                 RxResetType = RxCheckStuck(priv);
3007         }
3008
3009         RT_TRACE(COMP_RESET,"%s(): TxResetType is %d, RxResetType is %d\n",__FUNCTION__,TxResetType,RxResetType);
3010         if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL)
3011                 return RESET_TYPE_NORMAL;
3012         else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT)
3013                 return RESET_TYPE_SILENT;
3014         else
3015                 return RESET_TYPE_NORESET;
3016
3017 }
3018
3019 #ifdef ENABLE_IPS
3020 static void InactivePsWorkItemCallback(struct r8192_priv *priv)
3021 {
3022         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3023
3024         RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() --------->\n");
3025         //
3026         // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
3027         // is really scheduled.
3028         // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3029         // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3030         // blocks the IPS procedure of switching RF.
3031         // By Bruce, 2007-12-25.
3032         //
3033         pPSC->bSwRfProcessing = TRUE;
3034
3035         RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3036                         pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
3037
3038
3039         MgntActSet_RF_State(priv, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
3040
3041         //
3042         // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3043         //
3044         pPSC->bSwRfProcessing = FALSE;
3045         RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <---------\n");
3046 }
3047
3048 #ifdef ENABLE_LPS
3049 /* Change current and default preamble mode. */
3050 bool MgntActSet_802_11_PowerSaveMode(struct r8192_priv *priv, u8 rtPsMode)
3051 {
3052
3053         // Currently, we do not change power save mode on IBSS mode.
3054         if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3055         {
3056                 return false;
3057         }
3058
3059         //
3060         // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3061         // some AP will not response to our mgnt frames with PwrMgt bit set,
3062         // e.g. cannot associate the AP.
3063         // So I commented out it. 2005.02.16, by rcnjko.
3064         //
3065 //      // Change device's power save mode.
3066 //      Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3067
3068         // Update power save mode configured.
3069         //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3070         if(!priv->ps_force) {
3071                 priv->ieee80211->ps = rtPsMode;
3072         }
3073
3074         // Awake immediately
3075         if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
3076         {
3077                 // Notify the AP we awke.
3078                 rtl8192_hw_wakeup(priv->ieee80211->dev);
3079                 priv->ieee80211->sta_sleep = 0;
3080
3081                 spin_lock(&priv->ieee80211->mgmt_tx_lock);
3082                 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3083                 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
3084                 spin_unlock(&priv->ieee80211->mgmt_tx_lock);
3085         }
3086
3087         return true;
3088 }
3089
3090 /* Enter the leisure power save mode. */
3091 void LeisurePSEnter(struct net_device *dev)
3092 {
3093         struct r8192_priv *priv = ieee80211_priv(dev);
3094         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3095
3096         if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
3097                 (priv->ieee80211->state == IEEE80211_LINKED)) ||
3098                 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
3099                 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
3100                 return;
3101
3102         if (pPSC->bLeisurePs)
3103         {
3104                 // Idle for a while if we connect to AP a while ago.
3105                 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) //  4 Sec
3106                 {
3107
3108                         if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
3109                         {
3110                                 MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
3111
3112                         }
3113                 }
3114                 else
3115                         pPSC->LpsIdleCount++;
3116         }
3117 }
3118
3119
3120 /* Leave leisure power save mode. */
3121 void LeisurePSLeave(struct net_device *dev)
3122 {
3123         struct r8192_priv *priv = ieee80211_priv(dev);
3124         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3125
3126         if (pPSC->bLeisurePs)
3127         {
3128                 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
3129                 {
3130                         // move to lps_wakecomplete()
3131                         MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_DISABLED);
3132
3133                 }
3134         }
3135 }
3136 #endif
3137
3138
3139 /* Enter the inactive power save mode. RF will be off */
3140 void IPSEnter(struct r8192_priv *priv)
3141 {
3142         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3143         RT_RF_POWER_STATE                       rtState;
3144
3145         if (pPSC->bInactivePs)
3146         {
3147                 rtState = priv->eRFPowerState;
3148                 //
3149                 // Added by Bruce, 2007-12-25.
3150                 // Do not enter IPS in the following conditions:
3151                 // (1) RF is already OFF or Sleep
3152                 // (2) bSwRfProcessing (indicates the IPS is still under going)
3153                 // (3) Connectted (only disconnected can trigger IPS)
3154                 // (4) IBSS (send Beacon)
3155                 // (5) AP mode (send Beacon)
3156                 //
3157                 if (rtState == eRfOn && !pPSC->bSwRfProcessing
3158                         && (priv->ieee80211->state != IEEE80211_LINKED) )
3159                 {
3160                         RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
3161                         pPSC->eInactivePowerState = eRfOff;
3162 //                      queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
3163                         InactivePsWorkItemCallback(priv);
3164                 }
3165         }
3166 }
3167
3168 //
3169 //      Description:
3170 //              Leave the inactive power save mode, RF will be on.
3171 //      2007.08.17, by shien chang.
3172 //
3173 void IPSLeave(struct r8192_priv *priv)
3174 {
3175         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3176         RT_RF_POWER_STATE       rtState;
3177
3178         if (pPSC->bInactivePs)
3179         {
3180                 rtState = priv->eRFPowerState;
3181                 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->RfOffReason <= RF_CHANGE_BY_IPS)
3182                 {
3183                         RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
3184                         pPSC->eInactivePowerState = eRfOn;
3185                         InactivePsWorkItemCallback(priv);
3186                 }
3187         }
3188 }
3189
3190 void IPSLeave_wq(struct work_struct *work)
3191 {
3192         struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ips_leave_wq);
3193         struct net_device *dev = ieee->dev;
3194
3195         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3196         down(&priv->ieee80211->ips_sem);
3197         IPSLeave(priv);
3198         up(&priv->ieee80211->ips_sem);
3199 }
3200
3201 void ieee80211_ips_leave_wq(struct net_device *dev)
3202 {
3203         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3204         RT_RF_POWER_STATE       rtState;
3205         rtState = priv->eRFPowerState;
3206
3207         if (priv->PowerSaveControl.bInactivePs){
3208                 if(rtState == eRfOff){
3209                         if(priv->RfOffReason > RF_CHANGE_BY_IPS)
3210                         {
3211                                 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
3212                                 return;
3213                         }
3214                         else{
3215                                 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
3216                                 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
3217                         }
3218                 }
3219         }
3220 }
3221 //added by amy 090331 end
3222 void ieee80211_ips_leave(struct net_device *dev)
3223 {
3224         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3225         down(&priv->ieee80211->ips_sem);
3226         IPSLeave(priv);
3227         up(&priv->ieee80211->ips_sem);
3228 }
3229 #endif
3230
3231 static void rtl819x_update_rxcounts(
3232         struct r8192_priv *priv,
3233         u32* TotalRxBcnNum,
3234         u32* TotalRxDataNum
3235 )
3236 {
3237         u16                     SlotIndex;
3238         u8                      i;
3239
3240         *TotalRxBcnNum = 0;
3241         *TotalRxDataNum = 0;
3242
3243         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
3244         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3245         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3246         for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
3247                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3248                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3249         }
3250 }
3251
3252
3253 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3254 {
3255         struct delayed_work *dwork = container_of(work,struct delayed_work,work);
3256        struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
3257         struct net_device *dev = priv->ieee80211->dev;
3258         struct ieee80211_device* ieee = priv->ieee80211;
3259         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3260         bool bBusyTraffic = false;
3261         bool bEnterPS = false;
3262
3263         if ((!priv->up) || priv->bHwRadioOff)
3264                 return;
3265
3266         if(!priv->up)
3267                 return;
3268         hal_dm_watchdog(dev);
3269 #ifdef ENABLE_IPS
3270         if(ieee->actscanning == false){
3271                 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&
3272                     (priv->eRFPowerState == eRfOn) && !ieee->is_set_key &&
3273                     (!ieee->proto_stoppping) && !ieee->wx_set_enc){
3274                         if (priv->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
3275                                 IPSEnter(priv);
3276                         }
3277                 }
3278         }
3279 #endif
3280         {//to get busy traffic condition
3281                 if(ieee->state == IEEE80211_LINKED)
3282                 {
3283                         if(     ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
3284                                 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
3285                                 bBusyTraffic = true;
3286                         }
3287
3288 #ifdef ENABLE_LPS
3289                         //added by amy for Leisure PS
3290                         if(     ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
3291                                 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
3292                         {
3293                                 bEnterPS= false;
3294                         }
3295                         else
3296                         {
3297                                 bEnterPS= true;
3298                         }
3299
3300                         // LeisurePS only work in infra mode.
3301                         if(bEnterPS)
3302                         {
3303                                 LeisurePSEnter(dev);
3304                         }
3305                         else
3306                         {
3307                                 LeisurePSLeave(dev);
3308                         }
3309 #endif
3310
3311                 }
3312                 else
3313                 {
3314 #ifdef ENABLE_LPS
3315                         LeisurePSLeave(dev);
3316 #endif
3317                 }
3318
3319                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3320                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3321                 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
3322                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3323         }
3324
3325
3326         //added by amy for AP roaming
3327                 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3328                 {
3329                         u32     TotalRxBcnNum = 0;
3330                         u32     TotalRxDataNum = 0;
3331
3332                         rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3333                         if((TotalRxBcnNum+TotalRxDataNum) == 0)
3334                         {
3335                                 if (priv->eRFPowerState == eRfOff)
3336                                         RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
3337                                 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
3338                                 //              Dot11d_Reset(dev);
3339                                 ieee->state = IEEE80211_ASSOCIATING;
3340                                 notify_wx_assoc_event(priv->ieee80211);
3341                                 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
3342                                 ieee->is_roaming = true;
3343                                 ieee->is_set_key = false;
3344                                 ieee->link_change(dev);
3345                                 queue_work(ieee->wq, &ieee->associate_procedure_wq);
3346                         }
3347                 }
3348               ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
3349               ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
3350
3351         //check if reset the driver
3352         if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming &&
3353             priv->watchdog_last_time != 1)
3354         {
3355                 ResetType = rtl819x_ifcheck_resetornot(priv);
3356                 priv->watchdog_check_reset_cnt = 3;
3357         }
3358         if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
3359         {
3360                 priv->ResetProgress = RESET_TYPE_NORMAL;
3361                 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
3362                 return;
3363         }
3364         /* disable silent reset temply 2008.9.11*/
3365
3366         if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
3367         {
3368                 priv->watchdog_last_time = 1;
3369         }
3370         else
3371                 priv->watchdog_last_time = 0;
3372
3373         priv->force_reset = false;
3374         priv->bForcedSilentReset = false;
3375         priv->bResetInProgress = false;
3376         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3377
3378 }
3379
3380 void watch_dog_timer_callback(unsigned long data)
3381 {
3382         struct r8192_priv *priv = (struct r8192_priv *) data;
3383         queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
3384         mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
3385
3386 }
3387
3388 static int _rtl8192_up(struct r8192_priv *priv)
3389 {
3390         RT_STATUS init_status = RT_STATUS_SUCCESS;
3391         struct net_device *dev = priv->ieee80211->dev;
3392
3393         priv->up=1;
3394         priv->ieee80211->ieee_up=1;
3395         priv->bdisable_nic = false;  //YJ,add,091111
3396         RT_TRACE(COMP_INIT, "Bringing up iface\n");
3397
3398         init_status = rtl8192_adapter_start(priv);
3399         if(init_status != RT_STATUS_SUCCESS)
3400         {
3401                 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
3402                 return -1;
3403         }
3404         RT_TRACE(COMP_INIT, "start adapter finished\n");
3405
3406         if (priv->eRFPowerState != eRfOn)
3407                 MgntActSet_RF_State(priv, eRfOn, priv->RfOffReason);
3408
3409         if(priv->ieee80211->state != IEEE80211_LINKED)
3410         ieee80211_softmac_start_protocol(priv->ieee80211);
3411         ieee80211_reset_queue(priv->ieee80211);
3412         watch_dog_timer_callback((unsigned long) priv);
3413         if(!netif_queue_stopped(dev))
3414                 netif_start_queue(dev);
3415         else
3416                 netif_wake_queue(dev);
3417
3418         return 0;
3419 }
3420
3421
3422 static int rtl8192_open(struct net_device *dev)
3423 {
3424         struct r8192_priv *priv = ieee80211_priv(dev);
3425         int ret;
3426
3427         down(&priv->wx_sem);
3428         ret = rtl8192_up(dev);
3429         up(&priv->wx_sem);
3430         return ret;
3431
3432 }
3433
3434
3435 int rtl8192_up(struct net_device *dev)
3436 {
3437         struct r8192_priv *priv = ieee80211_priv(dev);
3438
3439         if (priv->up == 1) return -1;
3440
3441         return _rtl8192_up(priv);
3442 }
3443
3444
3445 static int rtl8192_close(struct net_device *dev)
3446 {
3447         struct r8192_priv *priv = ieee80211_priv(dev);
3448         int ret;
3449
3450         down(&priv->wx_sem);
3451
3452         ret = rtl8192_down(dev);
3453
3454         up(&priv->wx_sem);
3455
3456         return ret;
3457
3458 }
3459
3460 int rtl8192_down(struct net_device *dev)
3461 {
3462         struct r8192_priv *priv = ieee80211_priv(dev);
3463
3464         if (priv->up == 0) return -1;
3465
3466 #ifdef ENABLE_LPS
3467         //LZM for PS-Poll AID issue. 090429
3468         if(priv->ieee80211->state == IEEE80211_LINKED)
3469                 LeisurePSLeave(dev);
3470 #endif
3471
3472         priv->up=0;
3473         priv->ieee80211->ieee_up = 0;
3474         RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
3475 /* FIXME */
3476         if (!netif_queue_stopped(dev))
3477                 netif_stop_queue(dev);
3478
3479         rtl8192_irq_disable(priv);
3480         rtl8192_cancel_deferred_work(priv);
3481         deinit_hal_dm(dev);
3482         del_timer_sync(&priv->watch_dog_timer);
3483
3484         ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3485
3486         rtl8192_halt_adapter(priv, false);
3487         memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
3488
3489         RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
3490
3491         return 0;
3492 }
3493
3494
3495 void rtl8192_commit(struct r8192_priv *priv)
3496 {
3497         if (priv->up == 0) return ;
3498
3499
3500         ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3501
3502         rtl8192_irq_disable(priv);
3503         rtl8192_halt_adapter(priv, true);
3504         _rtl8192_up(priv);
3505 }
3506
3507 static void rtl8192_restart(struct work_struct *work)
3508 {
3509         struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
3510
3511         down(&priv->wx_sem);
3512
3513         rtl8192_commit(priv);
3514
3515         up(&priv->wx_sem);
3516 }
3517
3518 static void r8192_set_multicast(struct net_device *dev)
3519 {
3520         struct r8192_priv *priv = ieee80211_priv(dev);
3521
3522         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3523 }
3524
3525
3526 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3527 {
3528         struct r8192_priv *priv = ieee80211_priv(dev);
3529         struct sockaddr *addr = mac;
3530
3531         down(&priv->wx_sem);
3532
3533         memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
3534
3535         schedule_work(&priv->reset_wq);
3536         up(&priv->wx_sem);
3537
3538         return 0;
3539 }
3540
3541 static void r8192e_set_hw_key(struct r8192_priv *priv, struct ieee_param *ipw)
3542 {
3543         struct ieee80211_device *ieee = priv->ieee80211;
3544         u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
3545         u32 key[4];
3546
3547         if (ipw->u.crypt.set_tx) {
3548                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3549                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3550                 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3551                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3552                 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3553                         if (ipw->u.crypt.key_len == 13)
3554                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3555                         else if (ipw->u.crypt.key_len == 5)
3556                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3557                 } else
3558                         ieee->pairwise_key_type = KEY_TYPE_NA;
3559
3560                 if (ieee->pairwise_key_type) {
3561                         memcpy(key, ipw->u.crypt.key, 16);
3562                         EnableHWSecurityConfig8192(priv);
3563                         /*
3564                          * We fill both index entry and 4th entry for pairwise
3565                          * key as in IPW interface, adhoc will only get here,
3566                          * so we need index entry for its default key serching!
3567                          */
3568                         setKey(priv, 4, ipw->u.crypt.idx,
3569                                ieee->pairwise_key_type,
3570                                (u8*)ieee->ap_mac_addr, 0, key);
3571
3572                         /* LEAP WEP will never set this. */
3573                         if (ieee->auth_mode != 2)
3574                                 setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx,
3575                                        ieee->pairwise_key_type,
3576                                        (u8*)ieee->ap_mac_addr, 0, key);
3577                 }
3578                 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
3579                     ieee->pHTInfo->bCurrentHTSupport) {
3580                         write_nic_byte(priv, 0x173, 1); /* fix aes bug */
3581                 }
3582         } else {
3583                 memcpy(key, ipw->u.crypt.key, 16);
3584                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3585                         ieee->group_key_type= KEY_TYPE_CCMP;
3586                 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3587                         ieee->group_key_type = KEY_TYPE_TKIP;
3588                 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3589                         if (ipw->u.crypt.key_len == 13)
3590                                 ieee->group_key_type = KEY_TYPE_WEP104;
3591                         else if (ipw->u.crypt.key_len == 5)
3592                                 ieee->group_key_type = KEY_TYPE_WEP40;
3593                 } else
3594                         ieee->group_key_type = KEY_TYPE_NA;
3595
3596                 if (ieee->group_key_type) {
3597                         setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx,
3598                                ieee->group_key_type, broadcast_addr, 0, key);
3599                 }
3600         }
3601 }
3602
3603 /* based on ipw2200 driver */
3604 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3605 {
3606         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3607         struct iwreq *wrq = (struct iwreq *)rq;
3608         int ret=-1;
3609         struct iw_point *p = &wrq->u.data;
3610         struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
3611
3612         down(&priv->wx_sem);
3613
3614
3615      if (p->length < sizeof(struct ieee_param) || !p->pointer){
3616              ret = -EINVAL;
3617              goto out;
3618      }
3619
3620      ipw = kmalloc(p->length, GFP_KERNEL);
3621      if (ipw == NULL){
3622              ret = -ENOMEM;
3623              goto out;
3624      }
3625      if (copy_from_user(ipw, p->pointer, p->length)) {
3626             kfree(ipw);
3627             ret = -EFAULT;
3628             goto out;
3629      }
3630
3631         switch (cmd) {
3632         case RTL_IOCTL_WPA_SUPPLICANT:
3633                 /* parse here for HW security */
3634                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
3635                         r8192e_set_hw_key(priv, ipw);
3636                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
3637                 break;
3638
3639         default:
3640                 ret = -EOPNOTSUPP;
3641                 break;
3642         }
3643
3644         kfree(ipw);
3645 out:
3646         up(&priv->wx_sem);
3647
3648         return ret;
3649 }
3650
3651 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3652 {
3653         u8  ret_rate = 0x02;
3654
3655         if(!bIsHT) {
3656                 switch(rate) {
3657                         case DESC90_RATE1M:   ret_rate = MGN_1M;         break;
3658                         case DESC90_RATE2M:   ret_rate = MGN_2M;         break;
3659                         case DESC90_RATE5_5M: ret_rate = MGN_5_5M;       break;
3660                         case DESC90_RATE11M:  ret_rate = MGN_11M;        break;
3661                         case DESC90_RATE6M:   ret_rate = MGN_6M;         break;
3662                         case DESC90_RATE9M:   ret_rate = MGN_9M;         break;
3663                         case DESC90_RATE12M:  ret_rate = MGN_12M;        break;
3664                         case DESC90_RATE18M:  ret_rate = MGN_18M;        break;
3665                         case DESC90_RATE24M:  ret_rate = MGN_24M;        break;
3666                         case DESC90_RATE36M:  ret_rate = MGN_36M;        break;
3667                         case DESC90_RATE48M:  ret_rate = MGN_48M;        break;
3668                         case DESC90_RATE54M:  ret_rate = MGN_54M;        break;
3669
3670                         default:
3671                                               RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
3672                                               break;
3673                 }
3674
3675         } else {
3676                 switch(rate) {
3677                         case DESC90_RATEMCS0:   ret_rate = MGN_MCS0;    break;
3678                         case DESC90_RATEMCS1:   ret_rate = MGN_MCS1;    break;
3679                         case DESC90_RATEMCS2:   ret_rate = MGN_MCS2;    break;
3680                         case DESC90_RATEMCS3:   ret_rate = MGN_MCS3;    break;
3681                         case DESC90_RATEMCS4:   ret_rate = MGN_MCS4;    break;
3682                         case DESC90_RATEMCS5:   ret_rate = MGN_MCS5;    break;
3683                         case DESC90_RATEMCS6:   ret_rate = MGN_MCS6;    break;
3684                         case DESC90_RATEMCS7:   ret_rate = MGN_MCS7;    break;
3685                         case DESC90_RATEMCS8:   ret_rate = MGN_MCS8;    break;
3686                         case DESC90_RATEMCS9:   ret_rate = MGN_MCS9;    break;
3687                         case DESC90_RATEMCS10:  ret_rate = MGN_MCS10;   break;
3688                         case DESC90_RATEMCS11:  ret_rate = MGN_MCS11;   break;
3689                         case DESC90_RATEMCS12:  ret_rate = MGN_MCS12;   break;
3690                         case DESC90_RATEMCS13:  ret_rate = MGN_MCS13;   break;
3691                         case DESC90_RATEMCS14:  ret_rate = MGN_MCS14;   break;
3692                         case DESC90_RATEMCS15:  ret_rate = MGN_MCS15;   break;
3693                         case DESC90_RATEMCS32:  ret_rate = (0x80|0x20); break;
3694
3695                         default:
3696                                                 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
3697                                                 break;
3698                 }
3699         }
3700
3701         return ret_rate;
3702 }
3703
3704 /* Record the TSF time stamp when receiving a packet */
3705 static void UpdateRxPktTimeStamp8190(struct r8192_priv *priv, struct ieee80211_rx_stats *stats)
3706 {
3707
3708         if(stats->bIsAMPDU && !stats->bFirstMPDU) {
3709                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3710                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3711         } else {
3712                 priv->LastRxDescTSFLow = stats->mac_time[0];
3713                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3714         }
3715 }
3716
3717 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
3718 {
3719         long    signal_power; // in dBm.
3720
3721         // Translate to dBm (x=0.5y-95).
3722         signal_power = (long)((signal_strength_index + 1) >> 1);
3723         signal_power -= 95;
3724
3725         return signal_power;
3726 }
3727
3728 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
3729         be a local static. Otherwise, it may increase when we return from S3/S4. The
3730         value will be kept in memory or disk. We must delcare the value in adapter
3731         and it will be reinitialized when return from S3/S4. */
3732 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
3733 {
3734         bool bcheck = false;
3735         u8      rfpath;
3736         u32 nspatial_stream, tmp_val;
3737         static u32 slide_rssi_index=0, slide_rssi_statistics=0;
3738         static u32 slide_evm_index=0, slide_evm_statistics=0;
3739         static u32 last_rssi=0, last_evm=0;
3740         //cosa add for beacon rssi smoothing
3741         static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
3742         static u32 last_beacon_adc_pwdb=0;
3743
3744         struct ieee80211_hdr_3addr *hdr;
3745         u16 sc ;
3746         unsigned int frag,seq;
3747         hdr = (struct ieee80211_hdr_3addr *)buffer;
3748         sc = le16_to_cpu(hdr->seq_ctl);
3749         frag = WLAN_GET_SEQ_FRAG(sc);
3750         seq = WLAN_GET_SEQ_SEQ(sc);
3751         //cosa add 04292008 to record the sequence number
3752         pcurrent_stats->Seq_Num = seq;
3753         //
3754         // Check whether we should take the previous packet into accounting
3755         //
3756         if(!pprevious_stats->bIsAMPDU)
3757         {
3758                 // if previous packet is not aggregated packet
3759                 bcheck = true;
3760         }
3761
3762         if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
3763         {
3764                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3765                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3766                 priv->stats.slide_rssi_total -= last_rssi;
3767         }
3768         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3769
3770         priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
3771         if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3772                 slide_rssi_index = 0;
3773
3774         // <1> Showed on UI for user, in dbm
3775         tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
3776         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3777         pcurrent_stats->rssi = priv->stats.signal_strength;
3778         //
3779         // If the previous packet does not match the criteria, neglect it
3780         //
3781         if(!pprevious_stats->bPacketMatchBSSID)
3782         {
3783                 if(!pprevious_stats->bToSelfBA)
3784                         return;
3785         }
3786
3787         if(!bcheck)
3788                 return;
3789
3790         // <2> Showed on UI for engineering
3791         // hardware does not provide rssi information for each rf path in CCK
3792         if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
3793         {
3794                 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
3795                 {
3796                         if (!rtl8192_phy_CheckIsLegalRFPath(priv, rfpath))
3797                                 continue;
3798                         RT_TRACE(COMP_DBG, "pPreviousstats->RxMIMOSignalStrength[rfpath] = %d\n", pprevious_stats->RxMIMOSignalStrength[rfpath]);
3799                         //Fixed by Jacken 2008-03-20
3800                         if(priv->stats.rx_rssi_percentage[rfpath] == 0)
3801                         {
3802                                 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
3803                         }
3804                         if(pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath])
3805                         {
3806                                 priv->stats.rx_rssi_percentage[rfpath] =
3807                                         ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3808                                         (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3809                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
3810                         }
3811                         else
3812                         {
3813                                 priv->stats.rx_rssi_percentage[rfpath] =
3814                                         ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3815                                         (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3816                         }
3817                         RT_TRACE(COMP_DBG, "priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" , priv->stats.rx_rssi_percentage[rfpath]);
3818                 }
3819         }
3820
3821
3822         //
3823         // Check PWDB.
3824         //
3825         //cosa add for beacon rssi smoothing by average.
3826         if(pprevious_stats->bPacketBeacon)
3827         {
3828                 /* record the beacon pwdb to the sliding window. */
3829                 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3830                 {
3831                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
3832                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
3833                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
3834                         //      slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
3835                 }
3836                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
3837                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
3838                 slide_beacon_adc_pwdb_index++;
3839                 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3840                         slide_beacon_adc_pwdb_index = 0;
3841                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
3842                 if(pprevious_stats->RxPWDBAll >= 3)
3843                         pprevious_stats->RxPWDBAll -= 3;
3844         }
3845
3846         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3847                                 pprevious_stats->bIsCCK? "CCK": "OFDM",
3848                                 pprevious_stats->RxPWDBAll);
3849
3850         if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3851         {
3852                 if(priv->undecorated_smoothed_pwdb < 0) // initialize
3853                 {
3854                         priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
3855                 }
3856
3857                 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
3858                 {
3859                         priv->undecorated_smoothed_pwdb =
3860                                         ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3861                                         (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3862                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
3863                 }
3864                 else
3865                 {
3866                         priv->undecorated_smoothed_pwdb =
3867                                         ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3868                                         (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3869                 }
3870         }
3871
3872         //
3873         // Check EVM
3874         //
3875         /* record the general EVM to the sliding window. */
3876         if(pprevious_stats->SignalQuality == 0)
3877         {
3878         }
3879         else
3880         {
3881                 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
3882                         if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
3883                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
3884                                 last_evm = priv->stats.slide_evm[slide_evm_index];
3885                                 priv->stats.slide_evm_total -= last_evm;
3886                         }
3887
3888                         priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
3889
3890                         priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
3891                         if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
3892                                 slide_evm_index = 0;
3893
3894                         // <1> Showed on UI for user, in percentage.
3895                         tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
3896                         //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
3897                 }
3898
3899                 // <2> Showed on UI for engineering
3900                 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3901                 {
3902                         for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
3903                         {
3904                                 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
3905                                 {
3906                                         if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
3907                                         {
3908                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
3909                                         }
3910                                         priv->stats.rx_evm_percentage[nspatial_stream] =
3911                                                 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
3912                                                 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
3913                                 }
3914                         }
3915                 }
3916         }
3917
3918 }
3919
3920 static u8 rtl819x_query_rxpwrpercentage(
3921         char            antpower
3922         )
3923 {
3924         if ((antpower <= -100) || (antpower >= 20))
3925         {
3926                 return  0;
3927         }
3928         else if (antpower >= 0)
3929         {
3930                 return  100;
3931         }
3932         else
3933         {
3934                 return  (100+antpower);
3935         }
3936
3937 }
3938
3939 static u8
3940 rtl819x_evm_dbtopercentage(
3941         char value
3942         )
3943 {
3944         char ret_val;
3945
3946         ret_val = value;
3947
3948         if(ret_val >= 0)
3949                 ret_val = 0;
3950         if(ret_val <= -33)
3951                 ret_val = -33;
3952         ret_val = 0 - ret_val;
3953         ret_val*=3;
3954         if(ret_val == 99)
3955                 ret_val = 100;
3956         return ret_val;
3957 }
3958
3959 /* We want good-looking for signal strength/quality */
3960 static long rtl819x_signal_scale_mapping(long currsig)
3961 {
3962         long retsig;
3963
3964         // Step 1. Scale mapping.
3965         if(currsig >= 61 && currsig <= 100)
3966         {
3967                 retsig = 90 + ((currsig - 60) / 4);
3968         }
3969         else if(currsig >= 41 && currsig <= 60)
3970         {
3971                 retsig = 78 + ((currsig - 40) / 2);
3972         }
3973         else if(currsig >= 31 && currsig <= 40)
3974         {
3975                 retsig = 66 + (currsig - 30);
3976         }
3977         else if(currsig >= 21 && currsig <= 30)
3978         {
3979                 retsig = 54 + (currsig - 20);
3980         }
3981         else if(currsig >= 5 && currsig <= 20)
3982         {
3983                 retsig = 42 + (((currsig - 5) * 2) / 3);
3984         }
3985         else if(currsig == 4)
3986         {
3987                 retsig = 36;
3988         }
3989         else if(currsig == 3)
3990         {
3991                 retsig = 27;
3992         }
3993         else if(currsig == 2)
3994         {
3995                 retsig = 18;
3996         }
3997         else if(currsig == 1)
3998         {
3999                 retsig = 9;
4000         }
4001         else
4002         {
4003                 retsig = currsig;
4004         }
4005
4006         return retsig;
4007 }
4008
4009 static void rtl8192_query_rxphystatus(
4010         struct r8192_priv * priv,
4011         struct ieee80211_rx_stats * pstats,
4012         prx_desc_819x_pci  pdesc,
4013         prx_fwinfo_819x_pci   pdrvinfo,
4014         struct ieee80211_rx_stats * precord_stats,
4015         bool bpacket_match_bssid,
4016         bool bpacket_toself,
4017         bool bPacketBeacon,
4018         bool bToSelfBA
4019         )
4020 {
4021         //PRT_RFD_STATUS                pRtRfdStatus = &(pRfd->Status);
4022         phy_sts_ofdm_819xpci_t* pofdm_buf;
4023         phy_sts_cck_819xpci_t   *       pcck_buf;
4024         phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
4025         u8                              *prxpkt;
4026         u8                              i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4027         char                            rx_pwr[4], rx_pwr_all=0;
4028         //long                          rx_avg_pwr = 0;
4029         char                            rx_snrX, rx_evmX;
4030         u8                              evm, pwdb_all;
4031         u32                     RSSI, total_rssi=0;//, total_evm=0;
4032 //      long                            signal_strength_index = 0;
4033         u8                              is_cck_rate=0;
4034         u8                              rf_rx_num = 0;
4035
4036         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4037
4038         // Record it for next packet processing
4039         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4040         pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4041         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4042         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
4043         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4044         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4045         /*2007.08.30 requested by SD3 Jerry */
4046         if (priv->phy_check_reg824 == 0)
4047         {
4048                 priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv, rFPGA0_XA_HSSIParameter2, 0x200);
4049                 priv->phy_check_reg824 = 1;
4050         }
4051
4052
4053         prxpkt = (u8*)pdrvinfo;
4054
4055         /* Move pointer to the 16th bytes. Phy status start address. */
4056         prxpkt += sizeof(rx_fwinfo_819x_pci);
4057
4058         /* Initial the cck and ofdm buffer pointer */
4059         pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
4060         pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
4061
4062         pstats->RxMIMOSignalQuality[0] = -1;
4063         pstats->RxMIMOSignalQuality[1] = -1;
4064         precord_stats->RxMIMOSignalQuality[0] = -1;
4065         precord_stats->RxMIMOSignalQuality[1] = -1;
4066
4067         if(is_cck_rate)
4068         {
4069                 //
4070                 // (1)Hardware does not provide RSSI for CCK
4071                 //
4072
4073                 //
4074                 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4075                 //
4076                 u8 report;//, cck_agc_rpt;
4077
4078                 if (!priv->phy_reg824_bit9)
4079                 {
4080                         report = pcck_buf->cck_agc_rpt & 0xc0;
4081                         report = report>>6;
4082                         switch(report)
4083                         {
4084                                 //Fixed by Jacken from Bryant 2008-03-20
4085                                 //Original value is -38 , -26 , -14 , -2
4086                                 //Fixed value is -35 , -23 , -11 , 6
4087                                 case 0x3:
4088                                         rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4089                                         break;
4090                                 case 0x2:
4091                                         rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4092                                         break;
4093                                 case 0x1:
4094                                         rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4095                                         break;
4096                                 case 0x0:
4097                                         rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
4098                                         break;
4099                         }
4100                 }
4101                 else
4102                 {
4103                         report = pcck_buf->cck_agc_rpt & 0x60;
4104                         report = report>>5;
4105                         switch(report)
4106                         {
4107                                 case 0x3:
4108                                         rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4109                                         break;
4110                                 case 0x2:
4111                                         rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4112                                         break;
4113                                 case 0x1:
4114                                         rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4115                                         break;
4116                                 case 0x0:
4117                                         rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4118                                         break;
4119                         }
4120                 }
4121
4122                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4123                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4124                 pstats->RecvSignalPower = rx_pwr_all;
4125
4126                 //
4127                 // (3) Get Signal Quality (EVM)
4128                 //
4129                 if(bpacket_match_bssid)
4130                 {
4131                         u8      sq;
4132
4133                         if(pstats->RxPWDBAll > 40)
4134                         {
4135                                 sq = 100;
4136                         }else
4137                         {
4138                                 sq = pcck_buf->sq_rpt;
4139
4140                                 if(pcck_buf->sq_rpt > 64)
4141                                         sq = 0;
4142                                 else if (pcck_buf->sq_rpt < 20)
4143                                         sq = 100;
4144                                 else
4145                                         sq = ((64-sq) * 100) / 44;
4146                         }
4147                         pstats->SignalQuality = precord_stats->SignalQuality = sq;
4148                         pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
4149                         pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
4150                 }
4151         }
4152         else
4153         {
4154                 //
4155                 // (1)Get RSSI for HT rate
4156                 //
4157                 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4158                 {
4159                         // 2008/01/30 MH we will judge RF RX path now.
4160                         if (priv->brfpath_rxenable[i])
4161                                 rf_rx_num++;
4162                         //else
4163                                 //continue;
4164
4165                         //Fixed by Jacken from Bryant 2008-03-20
4166                         //Original value is 106
4167                         rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
4168
4169                         //Get Rx snr value in DB
4170                         tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4171                         rx_snrX = (char)(tmp_rxsnr);
4172                         rx_snrX /= 2;
4173
4174                         /* Translate DBM to percentage. */
4175                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4176                         if (priv->brfpath_rxenable[i])
4177                                 total_rssi += RSSI;
4178
4179                         /* Record Signal Strength for next packet */
4180                         if(bpacket_match_bssid)
4181                         {
4182                                 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
4183                                 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
4184                         }
4185                 }
4186
4187
4188                 //
4189                 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4190                 //
4191                 //Fixed by Jacken from Bryant 2008-03-20
4192                 //Original value is 106
4193                 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
4194                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4195
4196                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4197                 pstats->RxPower = precord_stats->RxPower =      rx_pwr_all;
4198                 pstats->RecvSignalPower = rx_pwr_all;
4199                 //
4200                 // (3)EVM of HT rate
4201                 //
4202                 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
4203                         pdrvinfo->RxRate<=DESC90_RATEMCS15)
4204                         max_spatial_stream = 2; //both spatial stream make sense
4205                 else
4206                         max_spatial_stream = 1; //only spatial stream 1 makes sense
4207
4208                 for(i=0; i<max_spatial_stream; i++)
4209                 {
4210                         tmp_rxevm = pofdm_buf->rxevm_X[i];
4211                         rx_evmX = (char)(tmp_rxevm);
4212
4213                         // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
4214                         // fill most significant bit to "zero" when doing shifting operation which may change a negative
4215                         // value to positive one, then the dbm value (which is supposed to be negative)  is not correct anymore.
4216                         rx_evmX /= 2;   //dbm
4217
4218                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4219                         if(bpacket_match_bssid)
4220                         {
4221                                 if(i==0) // Fill value in RFD, Get the first spatial stream only
4222                                         pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
4223                                 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
4224                         }
4225                 }
4226
4227
4228                 /* record rx statistics for debug */
4229                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4230                 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
4231         }
4232
4233         //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
4234         //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
4235         if(is_cck_rate)
4236         {
4237                 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
4238
4239         }
4240         else
4241         {
4242                 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
4243                 // We can judge RX path number now.
4244                 if (rf_rx_num != 0)
4245                         pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
4246         }
4247 }
4248
4249 static void
4250 rtl8192_record_rxdesc_forlateruse(
4251         struct ieee80211_rx_stats * psrc_stats,
4252         struct ieee80211_rx_stats * ptarget_stats
4253 )
4254 {
4255         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4256         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4257         //ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4258 }
4259
4260
4261
4262 static void TranslateRxSignalStuff819xpci(struct r8192_priv *priv,
4263         struct sk_buff *skb,
4264         struct ieee80211_rx_stats * pstats,
4265         prx_desc_819x_pci pdesc,
4266         prx_fwinfo_819x_pci pdrvinfo)
4267 {
4268     // TODO: We must only check packet for current MAC address. Not finish
4269     bool bpacket_match_bssid, bpacket_toself;
4270     bool bPacketBeacon=false, bToSelfBA=false;
4271     struct ieee80211_hdr_3addr *hdr;
4272     u16 fc,type;
4273
4274     // Get Signal Quality for only RX data queue (but not command queue)
4275
4276     u8* tmp_buf;
4277     u8  *praddr;
4278
4279     /* Get MAC frame start address. */
4280     tmp_buf = skb->data;
4281
4282     hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
4283     fc = le16_to_cpu(hdr->frame_ctl);
4284     type = WLAN_FC_GET_TYPE(fc);
4285     praddr = hdr->addr1;
4286
4287     /* Check if the received packet is acceptabe. */
4288     bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
4289             (!compare_ether_addr(priv->ieee80211->current_network.bssid,        (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
4290             && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
4291     bpacket_toself =  bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr));
4292
4293     if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
4294     {
4295         bPacketBeacon = true;
4296     }
4297     if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
4298     {
4299         if (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr))
4300             bToSelfBA = true;
4301     }
4302
4303     //
4304     // Process PHY information for previous packet (RSSI/PWDB/EVM)
4305     //
4306     // Because phy information is contained in the last packet of AMPDU only, so driver
4307     // should process phy information of previous packet
4308     rtl8192_process_phyinfo(priv, tmp_buf, &priv->previous_stats, pstats);
4309     rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid,
4310             bpacket_toself ,bPacketBeacon, bToSelfBA);
4311     rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats);
4312
4313 }
4314
4315
4316 static void rtl8192_tx_resume(struct r8192_priv *priv)
4317 {
4318         struct ieee80211_device *ieee = priv->ieee80211;
4319         struct net_device *dev = priv->ieee80211->dev;
4320         struct sk_buff *skb;
4321         int queue_index;
4322
4323         for(queue_index = BK_QUEUE; queue_index < TXCMD_QUEUE;queue_index++) {
4324                 while((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
4325                                 (priv->ieee80211->check_nic_enough_desc(dev,queue_index) > 0)) {
4326                         /* 1. dequeue the packet from the wait queue */
4327                         skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
4328                         /* 2. tx the packet directly */
4329                         ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
4330                 }
4331         }
4332 }
4333
4334 static void rtl8192_irq_tx_tasklet(unsigned long arg)
4335 {
4336         struct r8192_priv *priv = (struct r8192_priv*) arg;
4337         struct rtl8192_tx_ring *mgnt_ring = &priv->tx_ring[MGNT_QUEUE];
4338         struct net_device *dev = priv->ieee80211->dev;
4339         unsigned long flags;
4340
4341         /* check if we need to report that the management queue is drained */
4342         spin_lock_irqsave(&priv->irq_th_lock, flags);
4343
4344         if (!skb_queue_len(&mgnt_ring->queue) &&
4345             priv->ieee80211->ack_tx_to_ieee &&
4346             rtl8192_is_tx_queue_empty(dev)) {
4347                 priv->ieee80211->ack_tx_to_ieee = 0;
4348                 ieee80211_ps_tx_ack(priv->ieee80211, 1);
4349         }
4350
4351         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4352
4353         rtl8192_tx_resume(priv);
4354 }
4355
4356 /* Record the received data rate */
4357 static void UpdateReceivedRateHistogramStatistics8190(
4358         struct r8192_priv *priv,
4359         struct ieee80211_rx_stats* pstats
4360         )
4361 {
4362         u32 rcvType=1;   //0: Total, 1:OK, 2:CRC, 3:ICV
4363         u32 rateIndex;
4364         u32 preamble_guardinterval;  //1: short preamble/GI, 0: long preamble/GI
4365
4366         if(pstats->bCRC)
4367                 rcvType = 2;
4368         else if(pstats->bICV)
4369                 rcvType = 3;
4370
4371         if(pstats->bShortPreamble)
4372                 preamble_guardinterval = 1;// short
4373         else
4374                 preamble_guardinterval = 0;// long
4375
4376         switch(pstats->rate)
4377         {
4378                 //
4379                 // CCK rate
4380                 //
4381                 case MGN_1M:    rateIndex = 0;  break;
4382                 case MGN_2M:    rateIndex = 1;  break;
4383                 case MGN_5_5M:  rateIndex = 2;  break;
4384                 case MGN_11M:   rateIndex = 3;  break;
4385                 //
4386                 // Legacy OFDM rate
4387                 //
4388                 case MGN_6M:    rateIndex = 4;  break;
4389                 case MGN_9M:    rateIndex = 5;  break;
4390                 case MGN_12M:   rateIndex = 6;  break;
4391                 case MGN_18M:   rateIndex = 7;  break;
4392                 case MGN_24M:   rateIndex = 8;  break;
4393                 case MGN_36M:   rateIndex = 9;  break;
4394                 case MGN_48M:   rateIndex = 10; break;
4395                 case MGN_54M:   rateIndex = 11; break;
4396                 //
4397                 // 11n High throughput rate
4398                 //
4399                 case MGN_MCS0:  rateIndex = 12; break;
4400                 case MGN_MCS1:  rateIndex = 13; break;
4401                 case MGN_MCS2:  rateIndex = 14; break;
4402                 case MGN_MCS3:  rateIndex = 15; break;
4403                 case MGN_MCS4:  rateIndex = 16; break;
4404                 case MGN_MCS5:  rateIndex = 17; break;
4405                 case MGN_MCS6:  rateIndex = 18; break;
4406                 case MGN_MCS7:  rateIndex = 19; break;
4407                 case MGN_MCS8:  rateIndex = 20; break;
4408                 case MGN_MCS9:  rateIndex = 21; break;
4409                 case MGN_MCS10: rateIndex = 22; break;
4410                 case MGN_MCS11: rateIndex = 23; break;
4411                 case MGN_MCS12: rateIndex = 24; break;
4412                 case MGN_MCS13: rateIndex = 25; break;
4413                 case MGN_MCS14: rateIndex = 26; break;
4414                 case MGN_MCS15: rateIndex = 27; break;
4415                 default:        rateIndex = 28; break;
4416         }
4417         priv->stats.received_rate_histogram[0][rateIndex]++; //total
4418         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4419 }
4420
4421 static void rtl8192_rx(struct r8192_priv *priv)
4422 {
4423     struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
4424     bool unicast_packet = false;
4425     struct ieee80211_rx_stats stats = {
4426         .signal = 0,
4427         .noise = -98,
4428         .rate = 0,
4429         .freq = IEEE80211_24GHZ_BAND,
4430     };
4431     unsigned int count = priv->rxringcount;
4432     prx_fwinfo_819x_pci pDrvInfo = NULL;
4433     struct sk_buff *new_skb;
4434
4435     while (count--) {
4436         rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
4437         struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
4438
4439         if (pdesc->OWN)
4440             /* wait data to be filled by hardware */
4441             return;
4442
4443             stats.bICV = pdesc->ICV;
4444             stats.bCRC = pdesc->CRC32;
4445             stats.bHwError = pdesc->CRC32 | pdesc->ICV;
4446
4447             stats.Length = pdesc->Length;
4448             if(stats.Length < 24)
4449                 stats.bHwError |= 1;
4450
4451             if(stats.bHwError) {
4452                 stats.bShift = false;
4453                 goto done;
4454             }
4455                 pDrvInfo = NULL;
4456                 new_skb = dev_alloc_skb(priv->rxbuffersize);
4457
4458                 if (unlikely(!new_skb))
4459                     goto done;
4460
4461                 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
4462                 stats.RxBufShift = ((pdesc->Shift)&0x03);
4463                 stats.Decrypted = !pdesc->SWDec;
4464
4465                 pci_dma_sync_single_for_cpu(priv->pdev,
4466                      *((dma_addr_t *)skb->cb),
4467                      priv->rxbuffersize,
4468                      PCI_DMA_FROMDEVICE);
4469                 skb_put(skb, pdesc->Length);
4470                 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
4471                 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
4472
4473                 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
4474                 stats.bShortPreamble = pDrvInfo->SPLCP;
4475
4476                 /* it is debug only. It should be disabled in released driver.
4477                  * 2007.1.11 by Emily
4478                  * */
4479                 UpdateReceivedRateHistogramStatistics8190(priv, &stats);
4480
4481                 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
4482                 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
4483
4484                 stats.TimeStampLow = pDrvInfo->TSFL;
4485                 stats.TimeStampHigh = read_nic_dword(priv, TSFR+4);
4486
4487                 UpdateRxPktTimeStamp8190(priv, &stats);
4488
4489                 //
4490                 // Get Total offset of MPDU Frame Body
4491                 //
4492                 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
4493                     stats.bShift = 1;
4494
4495                 stats.RxIs40MHzPacket = pDrvInfo->BW;
4496
4497                 /* ???? */
4498                 TranslateRxSignalStuff819xpci(priv, skb, &stats, pdesc, pDrvInfo);
4499
4500                 /* Rx A-MPDU */
4501                 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
4502                     RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
4503                             pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
4504                    skb_trim(skb, skb->len - 4/*sCrcLng*/);
4505                 /* rx packets statistics */
4506                 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
4507                 unicast_packet = false;
4508
4509                 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4510                     //TODO
4511                 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
4512                     //TODO
4513                 }else {
4514                     /* unicast packet */
4515                     unicast_packet = true;
4516                 }
4517
4518                 stats.packetlength = stats.Length-4;
4519                 stats.fraglength = stats.packetlength;
4520                 stats.fragoffset = 0;
4521                 stats.ntotalfrag = 1;
4522
4523                 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
4524                     dev_kfree_skb_any(skb);
4525                 } else {
4526                     priv->stats.rxok++;
4527                     if(unicast_packet) {
4528                         priv->stats.rxbytesunicast += skb->len;
4529                     }
4530                 }
4531
4532                 pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb),
4533                         priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4534
4535                 skb = new_skb;
4536                 priv->rx_buf[priv->rx_idx] = skb;
4537                 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4538
4539 done:
4540         pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
4541         pdesc->OWN = 1;
4542         pdesc->Length = priv->rxbuffersize;
4543         if (priv->rx_idx == priv->rxringcount-1)
4544             pdesc->EOR = 1;
4545         priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
4546     }
4547
4548 }
4549
4550 static void rtl8192_irq_rx_tasklet(unsigned long arg)
4551 {
4552         struct r8192_priv *priv = (struct r8192_priv*) arg;
4553         rtl8192_rx(priv);
4554         /* unmask RDU */
4555        write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) | IMR_RDU);
4556 }
4557
4558 static const struct net_device_ops rtl8192_netdev_ops = {
4559         .ndo_open =                     rtl8192_open,
4560         .ndo_stop =                     rtl8192_close,
4561         .ndo_tx_timeout =               tx_timeout,
4562         .ndo_do_ioctl =                 rtl8192_ioctl,
4563         .ndo_set_multicast_list =       r8192_set_multicast,
4564         .ndo_set_mac_address =          r8192_set_mac_adr,
4565         .ndo_start_xmit =               ieee80211_rtl_xmit,
4566 };
4567
4568 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
4569                          const struct pci_device_id *id)
4570 {
4571         unsigned long ioaddr = 0;
4572         struct net_device *dev = NULL;
4573         struct r8192_priv *priv= NULL;
4574         u8 unit = 0;
4575         int ret = -ENODEV;
4576         unsigned long pmem_start, pmem_len, pmem_flags;
4577
4578         RT_TRACE(COMP_INIT,"Configuring chip resources\n");
4579
4580         if( pci_enable_device (pdev) ){
4581                 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
4582                 return -EIO;
4583         }
4584
4585         pci_set_master(pdev);
4586         //pci_set_wmi(pdev);
4587         pci_set_dma_mask(pdev, 0xffffff00ULL);
4588         pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
4589         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4590         if (!dev) {
4591                 ret = -ENOMEM;
4592                 goto fail_free;
4593         }
4594
4595         pci_set_drvdata(pdev, dev);
4596         SET_NETDEV_DEV(dev, &pdev->dev);
4597         priv = ieee80211_priv(dev);
4598         priv->ieee80211 = netdev_priv(dev);
4599         priv->pdev=pdev;
4600         if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
4601                 priv->ieee80211->bSupportRemoteWakeUp = 1;
4602         } else
4603         {
4604                 priv->ieee80211->bSupportRemoteWakeUp = 0;
4605         }
4606
4607         pmem_start = pci_resource_start(pdev, 1);
4608         pmem_len = pci_resource_len(pdev, 1);
4609         pmem_flags = pci_resource_flags (pdev, 1);
4610
4611         if (!(pmem_flags & IORESOURCE_MEM)) {
4612                 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting\n");
4613                 goto fail;
4614         }
4615
4616         //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
4617         if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
4618                 RT_TRACE(COMP_ERR,"request_mem_region failed!\n");
4619                 goto fail;
4620         }
4621
4622
4623         ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
4624         if( ioaddr == (unsigned long)NULL ){
4625                 RT_TRACE(COMP_ERR,"ioremap failed!\n");
4626                // release_mem_region( pmem_start, pmem_len );
4627                 goto fail1;
4628         }
4629
4630         dev->mem_start = ioaddr; // shared mem start
4631         dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end
4632
4633         /* We disable the RETRY_TIMEOUT register (0x41) to keep
4634          * PCI Tx retries from interfering with C3 CPU state */
4635          pci_write_config_byte(pdev, 0x41, 0x00);
4636
4637
4638         pci_read_config_byte(pdev, 0x05, &unit);
4639         pci_write_config_byte(pdev, 0x05, unit & (~0x04));
4640
4641         dev->irq = pdev->irq;
4642         priv->irq = 0;
4643
4644         dev->netdev_ops = &rtl8192_netdev_ops;
4645
4646         dev->wireless_handlers = &r8192_wx_handlers_def;
4647         dev->type=ARPHRD_ETHER;
4648
4649         dev->watchdog_timeo = HZ*3;
4650
4651         if (dev_alloc_name(dev, ifname) < 0){
4652                 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
4653                 strcpy(ifname, "wlan%d");
4654                 dev_alloc_name(dev, ifname);
4655         }
4656
4657         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4658         if (rtl8192_init(priv)!=0) {
4659                 RT_TRACE(COMP_ERR, "Initialization failed\n");
4660                 goto fail;
4661         }
4662
4663         register_netdev(dev);
4664         RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
4665         rtl8192_proc_init_one(priv);
4666
4667
4668         RT_TRACE(COMP_INIT, "Driver probe completed\n");
4669         return 0;
4670
4671 fail1:
4672
4673         if( dev->mem_start != (unsigned long)NULL ){
4674                 iounmap( (void *)dev->mem_start );
4675                 release_mem_region( pci_resource_start(pdev, 1),
4676                                     pci_resource_len(pdev, 1) );
4677         }
4678
4679 fail:
4680         if(dev){
4681
4682                 if (priv->irq) {
4683                         free_irq(dev->irq, dev);
4684                         dev->irq=0;
4685                 }
4686                 free_ieee80211(dev);
4687         }
4688
4689 fail_free:
4690         pci_disable_device(pdev);
4691
4692         DMESG("wlan driver load failed\n");
4693         pci_set_drvdata(pdev, NULL);
4694         return ret;
4695
4696 }
4697
4698 /* detach all the work and timer structure declared or inititialized
4699  * in r8192_init function.
4700  * */
4701 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
4702 {
4703         /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
4704          * is  or is newer than 2.6.20 and work structure is defined to be struct work_struct.
4705          * Otherwise call cancel_delayed_work is enough.
4706          * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
4707          * */
4708         cancel_delayed_work(&priv->watch_dog_wq);
4709         cancel_delayed_work(&priv->update_beacon_wq);
4710         cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
4711         cancel_delayed_work(&priv->gpio_change_rf_wq);
4712         cancel_work_sync(&priv->reset_wq);
4713         cancel_work_sync(&priv->qos_activate);
4714 }
4715
4716
4717 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
4718 {
4719         struct net_device *dev = pci_get_drvdata(pdev);
4720         struct r8192_priv *priv ;
4721         u32 i;
4722
4723         if (dev) {
4724
4725                 unregister_netdev(dev);
4726
4727                 priv = ieee80211_priv(dev);
4728
4729                 rtl8192_proc_remove_one(priv);
4730
4731                 rtl8192_down(dev);
4732                 if (priv->pFirmware)
4733                 {
4734                         vfree(priv->pFirmware);
4735                         priv->pFirmware = NULL;
4736                 }
4737                 destroy_workqueue(priv->priv_wq);
4738
4739                 /* free tx/rx rings */
4740                 rtl8192_free_rx_ring(priv);
4741                 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
4742                         rtl8192_free_tx_ring(priv, i);
4743
4744                 if (priv->irq) {
4745                         printk("Freeing irq %d\n",dev->irq);
4746                         free_irq(dev->irq, dev);
4747                         priv->irq=0;
4748                 }
4749
4750                 if( dev->mem_start != (unsigned long)NULL ){
4751                         iounmap( (void *)dev->mem_start );
4752                         release_mem_region( pci_resource_start(pdev, 1),
4753                                             pci_resource_len(pdev, 1) );
4754                 }
4755
4756                 free_ieee80211(dev);
4757         }
4758
4759         pci_disable_device(pdev);
4760         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
4761 }
4762
4763 extern int ieee80211_rtl_init(void);
4764 extern void ieee80211_rtl_exit(void);
4765
4766 static int __init rtl8192_pci_module_init(void)
4767 {
4768         int retval;
4769
4770         retval = ieee80211_rtl_init();
4771         if (retval)
4772                 return retval;
4773
4774         printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
4775         printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
4776         RT_TRACE(COMP_INIT, "Initializing module\n");
4777         rtl8192_proc_module_init();
4778       if(0!=pci_register_driver(&rtl8192_pci_driver))
4779         {
4780                 DMESG("No device found");
4781                 /*pci_unregister_driver (&rtl8192_pci_driver);*/
4782                 return -ENODEV;
4783         }
4784         return 0;
4785 }
4786
4787
4788 static void __exit rtl8192_pci_module_exit(void)
4789 {
4790         pci_unregister_driver(&rtl8192_pci_driver);
4791
4792         RT_TRACE(COMP_DOWN, "Exiting\n");
4793         rtl8192_proc_module_remove();
4794         ieee80211_rtl_exit();
4795 }
4796
4797 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
4798 {
4799         struct net_device *dev = (struct net_device *) netdev;
4800         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4801         unsigned long flags;
4802         u32 inta;
4803         irqreturn_t ret = IRQ_HANDLED;
4804
4805         spin_lock_irqsave(&priv->irq_th_lock, flags);
4806
4807         /* ISR: 4bytes */
4808
4809         inta = read_nic_dword(priv, ISR); /* & priv->IntrMask; */
4810         write_nic_dword(priv, ISR, inta); /* reset int situation */
4811
4812         if (!inta) {
4813                 /*
4814                  * most probably we can safely return IRQ_NONE,
4815                  * but for now is better to avoid problems
4816                  */
4817                 goto out_unlock;
4818         }
4819
4820         if (inta == 0xffff) {
4821                 /* HW disappared */
4822                 goto out_unlock;
4823         }
4824
4825         if (!netif_running(dev))
4826                 goto out_unlock;
4827
4828         if (inta & IMR_TBDOK) {
4829                 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4830                 rtl8192_tx_isr(priv, BEACON_QUEUE);
4831                 priv->stats.txbeaconokint++;
4832         }
4833
4834         if (inta & IMR_TBDER) {
4835                 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4836                 rtl8192_tx_isr(priv, BEACON_QUEUE);
4837                 priv->stats.txbeaconerr++;
4838         }
4839
4840         if (inta & IMR_MGNTDOK ) {
4841                 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
4842                 priv->stats.txmanageokint++;
4843                 rtl8192_tx_isr(priv, MGNT_QUEUE);
4844         }
4845
4846         if (inta & IMR_COMDOK)
4847         {
4848                 priv->stats.txcmdpktokint++;
4849                 rtl8192_tx_isr(priv, TXCMD_QUEUE);
4850         }
4851
4852         if (inta & IMR_ROK) {
4853                 priv->stats.rxint++;
4854                 tasklet_schedule(&priv->irq_rx_tasklet);
4855         }
4856
4857         if (inta & IMR_BcnInt) {
4858                 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
4859                 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
4860         }
4861
4862         if (inta & IMR_RDU) {
4863                 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
4864                 priv->stats.rxrdu++;
4865                 /* reset int situation */
4866                 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) & ~IMR_RDU);
4867                 tasklet_schedule(&priv->irq_rx_tasklet);
4868         }
4869
4870         if (inta & IMR_RXFOVW) {
4871                 RT_TRACE(COMP_INTR, "rx overflow !\n");
4872                 priv->stats.rxoverflow++;
4873                 tasklet_schedule(&priv->irq_rx_tasklet);
4874         }
4875
4876         if (inta & IMR_TXFOVW)
4877                 priv->stats.txoverflow++;
4878
4879         if (inta & IMR_BKDOK) {
4880                 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
4881                 priv->stats.txbkokint++;
4882                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4883                 rtl8192_tx_isr(priv, BK_QUEUE);
4884         }
4885
4886         if (inta & IMR_BEDOK) {
4887                 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
4888                 priv->stats.txbeokint++;
4889                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4890                 rtl8192_tx_isr(priv, BE_QUEUE);
4891         }
4892
4893         if (inta & IMR_VIDOK) {
4894                 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
4895                 priv->stats.txviokint++;
4896                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4897                 rtl8192_tx_isr(priv, VI_QUEUE);
4898         }
4899
4900         if (inta & IMR_VODOK) {
4901                 priv->stats.txvookint++;
4902                 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4903                 rtl8192_tx_isr(priv, VO_QUEUE);
4904         }
4905
4906 out_unlock:
4907         spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4908
4909         return ret;
4910 }
4911
4912 void EnableHWSecurityConfig8192(struct r8192_priv *priv)
4913 {
4914         u8 SECR_value = 0x0;
4915         struct ieee80211_device* ieee = priv->ieee80211;
4916
4917         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
4918
4919         if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
4920         {
4921                 SECR_value |= SCR_RxUseDK;
4922                 SECR_value |= SCR_TxUseDK;
4923         }
4924         else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
4925         {
4926                 SECR_value |= SCR_RxUseDK;
4927                 SECR_value |= SCR_TxUseDK;
4928         }
4929
4930         //add HWSec active enable here.
4931 //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
4932         ieee->hwsec_active = 1;
4933
4934         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
4935         {
4936                 ieee->hwsec_active = 0;
4937                 SECR_value &= ~SCR_RxDecEnable;
4938         }
4939
4940         RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__,
4941                         ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
4942         {
4943                 write_nic_byte(priv, SECR,  SECR_value);//SECR_value |  SCR_UseDK );
4944         }
4945
4946 }
4947 #define TOTAL_CAM_ENTRY 32
4948 //#define CAM_CONTENT_COUNT 8
4949 void setKey(struct r8192_priv *priv, u8 EntryNo, u8 KeyIndex, u16 KeyType,
4950             const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
4951 {
4952         u32 TargetCommand = 0;
4953         u32 TargetContent = 0;
4954         u16 usConfig = 0;
4955         u8 i;
4956 #ifdef ENABLE_IPS
4957         RT_RF_POWER_STATE       rtState;
4958
4959         rtState = priv->eRFPowerState;
4960         if (priv->PowerSaveControl.bInactivePs){
4961                 if(rtState == eRfOff){
4962                         if(priv->RfOffReason > RF_CHANGE_BY_IPS)
4963                         {
4964                                 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
4965                                 //up(&priv->wx_sem);
4966                                 return ;
4967                         }
4968                         else{
4969                                 down(&priv->ieee80211->ips_sem);
4970                                 IPSLeave(priv);
4971                                 up(&priv->ieee80211->ips_sem);
4972                         }
4973                 }
4974         }
4975         priv->ieee80211->is_set_key = true;
4976 #endif
4977         if (EntryNo >= TOTAL_CAM_ENTRY)
4978                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
4979
4980         RT_TRACE(COMP_SEC, "====>to setKey(), priv:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", priv, EntryNo, KeyIndex, KeyType, MacAddr);
4981
4982         if (DefaultKey)
4983                 usConfig |= BIT15 | (KeyType<<2);
4984         else
4985                 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
4986 //      usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
4987
4988
4989         for(i=0 ; i<CAM_CONTENT_COUNT; i++){
4990                 TargetCommand  = i+CAM_CONTENT_COUNT*EntryNo;
4991                 TargetCommand |= BIT31|BIT16;
4992
4993                 if(i==0){//MAC|Config
4994                         TargetContent = (u32)(*(MacAddr+0)) << 16|
4995                                         (u32)(*(MacAddr+1)) << 24|
4996                                         (u32)usConfig;
4997
4998                         write_nic_dword(priv, WCAMI, TargetContent);
4999                         write_nic_dword(priv, RWCAM, TargetCommand);
5000                 }
5001                 else if(i==1){//MAC
5002                         TargetContent = (u32)(*(MacAddr+2))      |
5003                                         (u32)(*(MacAddr+3)) <<  8|
5004                                         (u32)(*(MacAddr+4)) << 16|
5005                                         (u32)(*(MacAddr+5)) << 24;
5006                         write_nic_dword(priv, WCAMI, TargetContent);
5007                         write_nic_dword(priv, RWCAM, TargetCommand);
5008                 }
5009                 else {  //Key Material
5010                         if(KeyContent != NULL)
5011                         {
5012                         write_nic_dword(priv, WCAMI, (u32)(*(KeyContent+i-2)) );
5013                         write_nic_dword(priv, RWCAM, TargetCommand);
5014                 }
5015         }
5016         }
5017         RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
5018 }
5019
5020 bool NicIFEnableNIC(struct r8192_priv *priv)
5021 {
5022         RT_STATUS init_status = RT_STATUS_SUCCESS;
5023         PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
5024
5025         //YJ,add,091109
5026         if (priv->up == 0){
5027                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
5028                 priv->bdisable_nic = false;  //YJ,add,091111
5029                 return false;
5030         }
5031         // <1> Reset memory: descriptor, buffer,..
5032         //NicIFResetMemory(Adapter);
5033
5034         // <2> Enable Adapter
5035         //priv->bfirst_init = true;
5036         init_status = rtl8192_adapter_start(priv);
5037         if (init_status != RT_STATUS_SUCCESS) {
5038                 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
5039                 priv->bdisable_nic = false;  //YJ,add,091111
5040                 return -1;
5041         }
5042         RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
5043         //priv->bfirst_init = false;
5044
5045         // <3> Enable Interrupt
5046         rtl8192_irq_enable(priv);
5047         priv->bdisable_nic = false;
5048
5049         return (init_status == RT_STATUS_SUCCESS);
5050 }
5051
5052 bool NicIFDisableNIC(struct r8192_priv *priv)
5053 {
5054         bool    status = true;
5055         u8 tmp_state = 0;
5056         // <1> Disable Interrupt
5057
5058         priv->bdisable_nic = true;      //YJ,move,091109
5059         tmp_state = priv->ieee80211->state;
5060
5061         ieee80211_softmac_stop_protocol(priv->ieee80211, false);
5062
5063         priv->ieee80211->state = tmp_state;
5064         rtl8192_cancel_deferred_work(priv);
5065         rtl8192_irq_disable(priv);
5066         // <2> Stop all timer
5067
5068         // <3> Disable Adapter
5069         rtl8192_halt_adapter(priv, false);
5070 //      priv->bdisable_nic = true;
5071
5072         return status;
5073 }
5074
5075 module_init(rtl8192_pci_module_init);
5076 module_exit(rtl8192_pci_module_exit);