drivers/staging/rtl8192u/r8192U_core.c

   1 /******************************************************************************
   2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   3  * Linux device driver for RTL8192U
   4  *
   5  * Based on the r8187 driver, which is:
   6  * Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, 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 #ifndef CONFIG_FORCE_HARD_FLOAT
  28 double __floatsidf(int i)
  29 {
  30         return i;
  31 }
  32
  33 unsigned int __fixunsdfsi(double d)
  34 {
  35         return d;
  36 }
  37
  38 double __adddf3(double a, double b)
  39 {
  40         return a + b;
  41 }
  42
  43 double __addsf3(float a, float b)
  44 {
  45         return a + b;
  46 }
  47
  48 double __subdf3(double a, double b)
  49 {
  50         return a - b;
  51 }
  52
  53 double __extendsfdf2(float a)
  54 {
  55         return a;
  56 }
  57 #endif
  58
  59 #define CONFIG_RTL8192_IO_MAP
  60
  61 #include <linux/uaccess.h>
  62 #include "r8192U_hw.h"
  63 #include "r8192U.h"
  64 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
  65 #include "r8180_93cx6.h"   /* Card EEPROM */
  66 #include "r8192U_wx.h"
  67 #include "r819xU_phy.h"
  68 #include "r819xU_phyreg.h"
  69 #include "r819xU_cmdpkt.h"
  70 #include "r8192U_dm.h"
  71 #include <linux/usb.h>
  72 #include <linux/slab.h>
  73 #include <linux/proc_fs.h>
  74 #include <linux/seq_file.h>
  75 /* FIXME: check if 2.6.7 is ok */
  76
  77 #include "dot11d.h"
  78 /* set here to open your trace code. */
  79 u32 rt_global_debug_component = COMP_DOWN       |
  80                                 COMP_SEC        |
  81                                 COMP_ERR; /* always open err flags on */
  82
  83 #define TOTAL_CAM_ENTRY 32
  84 #define CAM_CONTENT_COUNT 8
  85
  86 static const struct usb_device_id rtl8192_usb_id_tbl[] = {
  87         /* Realtek */
  88         {USB_DEVICE(0x0bda, 0x8709)},
  89         /* Corega */
  90         {USB_DEVICE(0x07aa, 0x0043)},
  91         /* Belkin */
  92         {USB_DEVICE(0x050d, 0x805E)},
  93         /* Sitecom */
  94         {USB_DEVICE(0x0df6, 0x0031)},
  95         /* EnGenius */
  96         {USB_DEVICE(0x1740, 0x9201)},
  97         /* Dlink */
  98         {USB_DEVICE(0x2001, 0x3301)},
  99         /* Zinwell */
 100         {USB_DEVICE(0x5a57, 0x0290)},
 101         /* LG */
 102         {USB_DEVICE(0x043e, 0x7a01)},
 103         {}
 104 };
 105
 106 MODULE_LICENSE("GPL");
 107 MODULE_VERSION("V 1.1");
 108 MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl);
 109 MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards");
 110
 111 static char *ifname = "wlan%d";
 112 static int hwwep = 1;  /* default use hw. set 0 to use software security */
 113 static int channels = 0x3fff;
 114
 115
 116
 117 module_param(ifname, charp, S_IRUGO | S_IWUSR);
 118 module_param(hwwep, int, S_IRUGO | S_IWUSR);
 119 module_param(channels, int, S_IRUGO | S_IWUSR);
 120
 121 MODULE_PARM_DESC(ifname, " Net interface name, wlan%d=default");
 122 MODULE_PARM_DESC(hwwep, " Try to use hardware security support. ");
 123 MODULE_PARM_DESC(channels, " Channel bitmask for specific locales. NYI");
 124
 125 static int rtl8192_usb_probe(struct usb_interface *intf,
 126                              const struct usb_device_id *id);
 127 static void rtl8192_usb_disconnect(struct usb_interface *intf);
 128
 129
 130 static struct usb_driver rtl8192_usb_driver = {
 131         .name           = RTL819xU_MODULE_NAME,           /* Driver name   */
 132         .id_table       = rtl8192_usb_id_tbl,             /* PCI_ID table  */
 133         .probe          = rtl8192_usb_probe,              /* probe fn      */
 134         .disconnect     = rtl8192_usb_disconnect,         /* remove fn     */
 135         .suspend        = NULL,                           /* PM suspend fn */
 136         .resume         = NULL,                           /* PM resume fn  */
 137 };
 138
 139
 140 struct CHANNEL_LIST {
 141         u8      Channel[32];
 142         u8      Len;
 143 };
 144
 145 static struct CHANNEL_LIST ChannelPlan[] = {
 146         /* FCC */
 147         {{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},
 148         /* IC */
 149         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11},
 150         /* ETSI */
 151         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64}, 21},
 152         /* Spain. Change to ETSI. */
 153         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 154         /* France. Change to ETSI. */
 155         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 156         /* MKK */
 157         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 158         /* MKK1 */
 159         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 160         /* Israel. */
 161         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13},
 162         /* For 11a , TELEC */
 163         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 164         /* MIC */
 165         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, 56, 60, 64}, 22},
 166         /* For Global Domain. 1-11:active scan, 12-14 passive scan. */
 167         {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}
 168 };
 169
 170 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv *priv)
 171 {
 172         int i, max_chan = -1, min_chan = -1;
 173         struct ieee80211_device *ieee = priv->ieee80211;
 174
 175         switch (channel_plan) {
 176         case COUNTRY_CODE_FCC:
 177         case COUNTRY_CODE_IC:
 178         case COUNTRY_CODE_ETSI:
 179         case COUNTRY_CODE_SPAIN:
 180         case COUNTRY_CODE_FRANCE:
 181         case COUNTRY_CODE_MKK:
 182         case COUNTRY_CODE_MKK1:
 183         case COUNTRY_CODE_ISRAEL:
 184         case COUNTRY_CODE_TELEC:
 185         case COUNTRY_CODE_MIC:
 186                 Dot11d_Init(ieee);
 187                 ieee->bGlobalDomain = false;
 188                 /* actually 8225 & 8256 rf chips only support B,G,24N mode */
 189                 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256)) {
 190                         min_chan = 1;
 191                         max_chan = 14;
 192                 } else {
 193                         RT_TRACE(COMP_ERR,
 194                                  "unknown rf chip, can't set channel map in function:%s()\n",
 195                                  __func__);
 196                 }
 197                 if (ChannelPlan[channel_plan].Len != 0) {
 198                         /* Clear old channel map */
 199                         memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
 200                                sizeof(GET_DOT11D_INFO(ieee)->channel_map));
 201                         /* Set new channel map */
 202                         for (i = 0; i < ChannelPlan[channel_plan].Len; i++) {
 203                                 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
 204                                         break;
 205                                 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
 206                         }
 207                 }
 208                 break;
 209
 210         case COUNTRY_CODE_GLOBAL_DOMAIN:
 211                 /* this flag enabled to follow 11d country IE setting,
 212                  * otherwise, it shall follow global domain settings.
 213                  */
 214                 GET_DOT11D_INFO(ieee)->bEnabled = 0;
 215                 Dot11d_Reset(ieee);
 216                 ieee->bGlobalDomain = true;
 217                 break;
 218
 219         default:
 220                 break;
 221         }
 222 }
 223
 224
 225
 226
 227 static void CamResetAllEntry(struct net_device *dev)
 228 {
 229         u32 ulcommand = 0;
 230         /* In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA
 231          * associate to AP. However, ResetKey is called on
 232          * OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest. In this
 233          * condition, Cam can not be reset because upper layer will not set
 234          * this static key again.
 235          */
 236         ulcommand |= BIT31 | BIT30;
 237         write_nic_dword(dev, RWCAM, ulcommand);
 238
 239 }
 240
 241
 242 void write_cam(struct net_device *dev, u8 addr, u32 data)
 243 {
 244         write_nic_dword(dev, WCAMI, data);
 245         write_nic_dword(dev, RWCAM, BIT31 | BIT16 | (addr & 0xff));
 246 }
 247
 248 u32 read_cam(struct net_device *dev, u8 addr)
 249 {
 250         u32 data;
 251
 252         write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
 253         read_nic_dword(dev, 0xa8, &data);
 254         return data;
 255 }
 256
 257 void write_nic_byte_E(struct net_device *dev, int indx, u8 data)
 258 {
 259         int status;
 260         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 261         struct usb_device *udev = priv->udev;
 262
 263         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 264                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 265                                  indx | 0xfe00, 0, &data, 1, HZ / 2);
 266
 267         if (status < 0)
 268                 netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n",
 269                            status);
 270 }
 271
 272 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
 273 {
 274         int status;
 275         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 276         struct usb_device *udev = priv->udev;
 277
 278         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 279                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 280                                  indx | 0xfe00, 0, data, 1, HZ / 2);
 281
 282         if (status < 0) {
 283                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 284                 return status;
 285         }
 286
 287         return 0;
 288 }
 289 /* as 92U has extend page from 4 to 16, so modify functions below. */
 290 void write_nic_byte(struct net_device *dev, int indx, u8 data)
 291 {
 292         int status;
 293
 294         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 295         struct usb_device *udev = priv->udev;
 296
 297         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 298                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 299                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 300                                  &data, 1, HZ / 2);
 301
 302         if (status < 0)
 303                 netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
 304
 305
 306 }
 307
 308
 309 void write_nic_word(struct net_device *dev, int indx, u16 data)
 310 {
 311
 312         int status;
 313
 314         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 315         struct usb_device *udev = priv->udev;
 316
 317         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 318                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 319                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 320                                  &data, 2, HZ / 2);
 321
 322         if (status < 0)
 323                 netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
 324
 325 }
 326
 327
 328 void write_nic_dword(struct net_device *dev, int indx, u32 data)
 329 {
 330
 331         int status;
 332
 333         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 334         struct usb_device *udev = priv->udev;
 335
 336         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 337                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
 338                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 339                                  &data, 4, HZ / 2);
 340
 341
 342         if (status < 0)
 343                 netdev_err(dev, "write_nic_dword TimeOut! status: %d\n",
 344                            status);
 345
 346 }
 347
 348
 349
 350 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
 351 {
 352         int status;
 353         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 354         struct usb_device *udev = priv->udev;
 355
 356         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 357                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 358                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 359                                  data, 1, HZ / 2);
 360
 361         if (status < 0) {
 362                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 363                 return status;
 364         }
 365
 366         return 0;
 367 }
 368
 369
 370
 371 int read_nic_word(struct net_device *dev, int indx, u16 *data)
 372 {
 373         int status;
 374         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 375         struct usb_device *udev = priv->udev;
 376
 377         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 378                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 379                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 380                                  data, 2, HZ / 2);
 381
 382         if (status < 0) {
 383                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 384                 return status;
 385         }
 386
 387         return 0;
 388 }
 389
 390 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
 391 {
 392         int status;
 393         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 394         struct usb_device *udev = priv->udev;
 395
 396         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 397                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 398                                  indx | 0xfe00, 0, data, 2, HZ / 2);
 399
 400         if (status < 0) {
 401                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 402                 return status;
 403         }
 404
 405         return 0;
 406 }
 407
 408 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
 409 {
 410         int status;
 411
 412         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 413         struct usb_device *udev = priv->udev;
 414
 415         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
 416                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
 417                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
 418                                  data, 4, HZ / 2);
 419
 420         if (status < 0) {
 421                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
 422                 return status;
 423         }
 424
 425         return 0;
 426 }
 427
 428 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
 429 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
 430 /* this might still called in what was the PHY rtl8185/rtl8192 common code
 431  * plans are to possibility turn it again in one common code...
 432  */
 433 inline void force_pci_posting(struct net_device *dev)
 434 {
 435 }
 436
 437 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
 438 static void rtl8192_restart(struct work_struct *work);
 439 static void watch_dog_timer_callback(unsigned long data);
 440
 441 /****************************************************************************
 442  *   -----------------------------PROCFS STUFF-------------------------
 443 *****************************************************************************
 444  */
 445
 446 static struct proc_dir_entry *rtl8192_proc;
 447
 448 static int proc_get_stats_ap(struct seq_file *m, void *v)
 449 {
 450         struct net_device *dev = m->private;
 451         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 452         struct ieee80211_device *ieee = priv->ieee80211;
 453         struct ieee80211_network *target;
 454
 455         list_for_each_entry(target, &ieee->network_list, list) {
 456                 const char *wpa = "non_WPA";
 457
 458                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
 459                         wpa = "WPA";
 460
 461                 seq_printf(m, "%s %s\n", target->ssid, wpa);
 462         }
 463
 464         return 0;
 465 }
 466
 467 static int proc_get_registers(struct seq_file *m, void *v)
 468 {
 469         struct net_device *dev = m->private;
 470         int i, n, max = 0xff;
 471         u8 byte_rd;
 472
 473         seq_puts(m, "\n####################page 0##################\n ");
 474
 475         for (n = 0; n <= max;) {
 476                 seq_printf(m, "\nD:  %2x > ", n);
 477
 478                 for (i = 0; i < 16 && n <= max; i++, n++) {
 479                         read_nic_byte(dev, 0x000 | n, &byte_rd);
 480                         seq_printf(m, "%2x ", byte_rd);
 481                 }
 482         }
 483
 484         seq_puts(m, "\n####################page 1##################\n ");
 485         for (n = 0; n <= max;) {
 486                 seq_printf(m, "\nD:  %2x > ", n);
 487
 488                 for (i = 0; i < 16 && n <= max; i++, n++) {
 489                         read_nic_byte(dev, 0x100 | n, &byte_rd);
 490                         seq_printf(m, "%2x ", byte_rd);
 491                 }
 492         }
 493
 494         seq_puts(m, "\n####################page 3##################\n ");
 495         for (n = 0; n <= max;) {
 496                 seq_printf(m, "\nD:  %2x > ", n);
 497
 498                 for (i = 0; i < 16 && n <= max; i++, n++) {
 499                         read_nic_byte(dev, 0x300 | n, &byte_rd);
 500                         seq_printf(m, "%2x ", byte_rd);
 501                 }
 502         }
 503
 504         seq_putc(m, '\n');
 505         return 0;
 506 }
 507
 508 static int proc_get_stats_tx(struct seq_file *m, void *v)
 509 {
 510         struct net_device *dev = m->private;
 511         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 512
 513         seq_printf(m,
 514                    "TX VI priority ok int: %lu\n"
 515                    "TX VI priority error int: %lu\n"
 516                    "TX VO priority ok int: %lu\n"
 517                    "TX VO priority error int: %lu\n"
 518                    "TX BE priority ok int: %lu\n"
 519                    "TX BE priority error int: %lu\n"
 520                    "TX BK priority ok int: %lu\n"
 521                    "TX BK priority error int: %lu\n"
 522                    "TX MANAGE priority ok int: %lu\n"
 523                    "TX MANAGE priority error int: %lu\n"
 524                    "TX BEACON priority ok int: %lu\n"
 525                    "TX BEACON priority error int: %lu\n"
 526                    "TX queue resume: %lu\n"
 527                    "TX queue stopped?: %d\n"
 528                    "TX fifo overflow: %lu\n"
 529                    "TX VI queue: %d\n"
 530                    "TX VO queue: %d\n"
 531                    "TX BE queue: %d\n"
 532                    "TX BK queue: %d\n"
 533                    "TX VI dropped: %lu\n"
 534                    "TX VO dropped: %lu\n"
 535                    "TX BE dropped: %lu\n"
 536                    "TX BK dropped: %lu\n"
 537                    "TX total data packets %lu\n",
 538                    priv->stats.txviokint,
 539                    priv->stats.txvierr,
 540                    priv->stats.txvookint,
 541                    priv->stats.txvoerr,
 542                    priv->stats.txbeokint,
 543                    priv->stats.txbeerr,
 544                    priv->stats.txbkokint,
 545                    priv->stats.txbkerr,
 546                    priv->stats.txmanageokint,
 547                    priv->stats.txmanageerr,
 548                    priv->stats.txbeaconokint,
 549                    priv->stats.txbeaconerr,
 550                    priv->stats.txresumed,
 551                    netif_queue_stopped(dev),
 552                    priv->stats.txoverflow,
 553                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
 554                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
 555                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
 556                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
 557                    priv->stats.txvidrop,
 558                    priv->stats.txvodrop,
 559                    priv->stats.txbedrop,
 560                    priv->stats.txbkdrop,
 561                    priv->stats.txdatapkt
 562                 );
 563
 564         return 0;
 565 }
 566
 567 static int proc_get_stats_rx(struct seq_file *m, void *v)
 568 {
 569         struct net_device *dev = m->private;
 570         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 571
 572         seq_printf(m,
 573                    "RX packets: %lu\n"
 574                    "RX urb status error: %lu\n"
 575                    "RX invalid urb error: %lu\n",
 576                    priv->stats.rxoktotal,
 577                    priv->stats.rxstaterr,
 578                    priv->stats.rxurberr);
 579
 580         return 0;
 581 }
 582
 583 static void rtl8192_proc_module_init(void)
 584 {
 585         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
 586         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
 587 }
 588
 589 /*
 590  * seq_file wrappers for procfile show routines.
 591  */
 592 static int rtl8192_proc_open(struct inode *inode, struct file *file)
 593 {
 594         struct net_device *dev = proc_get_parent_data(inode);
 595         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
 596
 597         return single_open(file, show, dev);
 598 }
 599
 600 static const struct file_operations rtl8192_proc_fops = {
 601         .open           = rtl8192_proc_open,
 602         .read           = seq_read,
 603         .llseek         = seq_lseek,
 604         .release        = single_release,
 605 };
 606
 607 /*
 608  * Table of proc files we need to create.
 609  */
 610 struct rtl8192_proc_file {
 611         char name[12];
 612         int (*show)(struct seq_file *, void *);
 613 };
 614
 615 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
 616         { "stats-rx",   &proc_get_stats_rx },
 617         { "stats-tx",   &proc_get_stats_tx },
 618         { "stats-ap",   &proc_get_stats_ap },
 619         { "registers",  &proc_get_registers },
 620         { "" }
 621 };
 622
 623 static void rtl8192_proc_init_one(struct net_device *dev)
 624 {
 625         const struct rtl8192_proc_file *f;
 626         struct proc_dir_entry *dir;
 627
 628         if (rtl8192_proc) {
 629                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
 630                 if (!dir) {
 631                         RT_TRACE(COMP_ERR,
 632                                  "Unable to initialize /proc/net/rtl8192/%s\n",
 633                                  dev->name);
 634                         return;
 635                 }
 636
 637                 for (f = rtl8192_proc_files; f->name[0]; f++) {
 638                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
 639                                               &rtl8192_proc_fops, f->show)) {
 640                                 RT_TRACE(COMP_ERR,
 641                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
 642                                          dev->name, f->name);
 643                                 return;
 644                         }
 645                 }
 646         }
 647 }
 648
 649 static void rtl8192_proc_remove_one(struct net_device *dev)
 650 {
 651         remove_proc_subtree(dev->name, rtl8192_proc);
 652 }
 653
 654 /****************************************************************************
 655    -----------------------------MISC STUFF-------------------------
 656 *****************************************************************************/
 657
 658 short check_nic_enough_desc(struct net_device *dev, int queue_index)
 659 {
 660         struct r8192_priv *priv = ieee80211_priv(dev);
 661         int used = atomic_read(&priv->tx_pending[queue_index]);
 662
 663         return (used < MAX_TX_URB);
 664 }
 665
 666 static void tx_timeout(struct net_device *dev)
 667 {
 668         struct r8192_priv *priv = ieee80211_priv(dev);
 669
 670         schedule_work(&priv->reset_wq);
 671 }
 672
 673 void rtl8192_update_msr(struct net_device *dev)
 674 {
 675         struct r8192_priv *priv = ieee80211_priv(dev);
 676         u8 msr;
 677
 678         read_nic_byte(dev, MSR, &msr);
 679         msr &= ~MSR_LINK_MASK;
 680
 681         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
 682          * msr must be updated if the state is ASSOCIATING.
 683          * this is intentional and make sense for ad-hoc and
 684          * master (see the create BSS/IBSS func)
 685          */
 686         if (priv->ieee80211->state == IEEE80211_LINKED) {
 687
 688                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
 689                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
 690                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 691                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
 692                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
 693                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
 694
 695         } else {
 696                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
 697         }
 698
 699         write_nic_byte(dev, MSR, msr);
 700 }
 701
 702 void rtl8192_set_chan(struct net_device *dev, short ch)
 703 {
 704         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 705
 706         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
 707         priv->chan = ch;
 708
 709         /* this hack should avoid frame TX during channel setting*/
 710
 711         /* need to implement rf set channel here */
 712
 713         if (priv->rf_set_chan)
 714                 priv->rf_set_chan(dev, priv->chan);
 715         mdelay(10);
 716 }
 717
 718 static void rtl8192_rx_isr(struct urb *urb);
 719
 720 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
 721 {
 722
 723         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
 724                 + pstats->RxBufShift);
 725
 726 }
 727 static int rtl8192_rx_initiate(struct net_device *dev)
 728 {
 729         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 730         struct urb *entry;
 731         struct sk_buff *skb;
 732         struct rtl8192_rx_info *info;
 733
 734         /* nomal packet rx procedure */
 735         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
 736                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 737                 if (!skb)
 738                         break;
 739                 entry = usb_alloc_urb(0, GFP_KERNEL);
 740                 if (!entry) {
 741                         kfree_skb(skb);
 742                         break;
 743                 }
 744                 usb_fill_bulk_urb(entry, priv->udev,
 745                                   usb_rcvbulkpipe(priv->udev, 3),
 746                                   skb_tail_pointer(skb),
 747                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 748                 info = (struct rtl8192_rx_info *)skb->cb;
 749                 info->urb = entry;
 750                 info->dev = dev;
 751                 info->out_pipe = 3; /* denote rx normal packet queue */
 752                 skb_queue_tail(&priv->rx_queue, skb);
 753                 usb_submit_urb(entry, GFP_KERNEL);
 754         }
 755
 756         /* command packet rx procedure */
 757         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
 758                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
 759                 if (!skb)
 760                         break;
 761                 entry = usb_alloc_urb(0, GFP_KERNEL);
 762                 if (!entry) {
 763                         kfree_skb(skb);
 764                         break;
 765                 }
 766                 usb_fill_bulk_urb(entry, priv->udev,
 767                                   usb_rcvbulkpipe(priv->udev, 9),
 768                                   skb_tail_pointer(skb),
 769                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
 770                 info = (struct rtl8192_rx_info *)skb->cb;
 771                 info->urb = entry;
 772                 info->dev = dev;
 773                 info->out_pipe = 9; /* denote rx cmd packet queue */
 774                 skb_queue_tail(&priv->rx_queue, skb);
 775                 usb_submit_urb(entry, GFP_KERNEL);
 776         }
 777
 778         return 0;
 779 }
 780
 781 void rtl8192_set_rxconf(struct net_device *dev)
 782 {
 783         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 784         u32 rxconf;
 785
 786         read_nic_dword(dev, RCR, &rxconf);
 787         rxconf = rxconf & ~MAC_FILTER_MASK;
 788         rxconf = rxconf | RCR_AMF;
 789         rxconf = rxconf | RCR_ADF;
 790         rxconf = rxconf | RCR_AB;
 791         rxconf = rxconf | RCR_AM;
 792
 793         if (dev->flags & IFF_PROMISC)
 794                 DMESG("NIC in promisc mode");
 795
 796         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
 797             dev->flags & IFF_PROMISC) {
 798                 rxconf = rxconf | RCR_AAP;
 799         } else {
 800                 rxconf = rxconf | RCR_APM;
 801                 rxconf = rxconf | RCR_CBSSID;
 802         }
 803
 804
 805         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
 806                 rxconf = rxconf | RCR_AICV;
 807                 rxconf = rxconf | RCR_APWRMGT;
 808         }
 809
 810         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
 811                 rxconf = rxconf | RCR_ACRC32;
 812
 813
 814         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
 815         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
 816         rxconf = rxconf & ~MAX_RX_DMA_MASK;
 817         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
 818
 819         rxconf = rxconf | RCR_ONLYERLPKT;
 820
 821         write_nic_dword(dev, RCR, rxconf);
 822 }
 823 /* wait to be removed */
 824 void rtl8192_rx_enable(struct net_device *dev)
 825 {
 826         rtl8192_rx_initiate(dev);
 827 }
 828
 829
 830 void rtl8192_tx_enable(struct net_device *dev)
 831 {
 832 }
 833
 834
 835
 836 void rtl8192_rtx_disable(struct net_device *dev)
 837 {
 838         u8 cmd;
 839         struct r8192_priv *priv = ieee80211_priv(dev);
 840         struct sk_buff *skb;
 841         struct rtl8192_rx_info *info;
 842
 843         read_nic_byte(dev, CMDR, &cmd);
 844         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
 845         force_pci_posting(dev);
 846         mdelay(10);
 847
 848         while ((skb = __skb_dequeue(&priv->rx_queue))) {
 849                 info = (struct rtl8192_rx_info *)skb->cb;
 850                 if (!info->urb)
 851                         continue;
 852
 853                 usb_kill_urb(info->urb);
 854                 kfree_skb(skb);
 855         }
 856
 857         if (skb_queue_len(&priv->skb_queue))
 858                 netdev_warn(dev, "skb_queue not empty\n");
 859
 860         skb_queue_purge(&priv->skb_queue);
 861 }
 862
 863 inline u16 ieeerate2rtlrate(int rate)
 864 {
 865         switch (rate) {
 866         case 10:
 867                 return 0;
 868         case 20:
 869                 return 1;
 870         case 55:
 871                 return 2;
 872         case 110:
 873                 return 3;
 874         case 60:
 875                 return 4;
 876         case 90:
 877                 return 5;
 878         case 120:
 879                 return 6;
 880         case 180:
 881                 return 7;
 882         case 240:
 883                 return 8;
 884         case 360:
 885                 return 9;
 886         case 480:
 887                 return 10;
 888         case 540:
 889                 return 11;
 890         default:
 891                 return 3;
 892
 893         }
 894 }
 895 static u16 rtl_rate[] = {10, 20, 55, 110, 60, 90, 120, 180, 240, 360, 480, 540};
 896 inline u16 rtl8192_rate2rate(short rate)
 897 {
 898         if (rate > 11)
 899                 return 0;
 900         return rtl_rate[rate];
 901 }
 902
 903
 904 /* The prototype of rx_isr has changed since one version of Linux Kernel */
 905 static void rtl8192_rx_isr(struct urb *urb)
 906 {
 907         struct sk_buff *skb = (struct sk_buff *)urb->context;
 908         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
 909         struct net_device *dev = info->dev;
 910         struct r8192_priv *priv = ieee80211_priv(dev);
 911         int out_pipe = info->out_pipe;
 912         int err;
 913
 914         if (!priv->up)
 915                 return;
 916
 917         if (unlikely(urb->status)) {
 918                 info->urb = NULL;
 919                 priv->stats.rxstaterr++;
 920                 priv->ieee80211->stats.rx_errors++;
 921                 usb_free_urb(urb);
 922                 return;
 923         }
 924         skb_unlink(skb, &priv->rx_queue);
 925         skb_put(skb, urb->actual_length);
 926
 927         skb_queue_tail(&priv->skb_queue, skb);
 928         tasklet_schedule(&priv->irq_rx_tasklet);
 929
 930         skb = dev_alloc_skb(RX_URB_SIZE);
 931         if (unlikely(!skb)) {
 932                 usb_free_urb(urb);
 933                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
 934                 /* TODO check rx queue length and refill *somewhere* */
 935                 return;
 936         }
 937
 938         usb_fill_bulk_urb(urb, priv->udev,
 939                           usb_rcvbulkpipe(priv->udev, out_pipe),
 940                           skb_tail_pointer(skb),
 941                           RX_URB_SIZE, rtl8192_rx_isr, skb);
 942
 943         info = (struct rtl8192_rx_info *)skb->cb;
 944         info->urb = urb;
 945         info->dev = dev;
 946         info->out_pipe = out_pipe;
 947
 948         urb->transfer_buffer = skb_tail_pointer(skb);
 949         urb->context = skb;
 950         skb_queue_tail(&priv->rx_queue, skb);
 951         err = usb_submit_urb(urb, GFP_ATOMIC);
 952         if (err && err != EPERM)
 953                 netdev_err(dev,
 954                            "can not submit rxurb, err is %x, URB status is %x\n",
 955                            err, urb->status);
 956 }
 957
 958 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
 959                                         struct ieee80211_rx_stats *pstats)
 960 {
 961         u32     status;
 962
 963         status = cmpk_message_handle_rx(dev, pstats);
 964         if (status)
 965                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
 966
 967         return status;
 968 }
 969
 970
 971 static void rtl8192_data_hard_stop(struct net_device *dev)
 972 {
 973         /* FIXME !! */
 974 }
 975
 976
 977 static void rtl8192_data_hard_resume(struct net_device *dev)
 978 {
 979         /* FIXME !! */
 980 }
 981
 982 /* this function TX data frames when the ieee80211 stack requires this.
 983  * It checks also if we need to stop the ieee tx queue, eventually do it
 984  */
 985 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
 986                                    int rate)
 987 {
 988         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 989         int ret;
 990         unsigned long flags;
 991         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 992         u8 queue_index = tcb_desc->queue_index;
 993
 994         /* shall not be referred by command packet */
 995         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
 996
 997         spin_lock_irqsave(&priv->tx_lock, flags);
 998
 999         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1000         tcb_desc->bTxEnableFwCalcDur = 1;
1001         skb_push(skb, priv->ieee80211->tx_headroom);
1002         ret = rtl8192_tx(dev, skb);
1003
1004         spin_unlock_irqrestore(&priv->tx_lock, flags);
1005 }
1006
1007 /* This is a rough attempt to TX a frame
1008  * This is called by the ieee 80211 stack to TX management frames.
1009  * If the ring is full packet are dropped (for data frame the queue
1010  * is stopped before this can happen).
1011  */
1012 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1013 {
1014         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1015         int ret;
1016         unsigned long flags;
1017         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1018         u8 queue_index = tcb_desc->queue_index;
1019
1020
1021         spin_lock_irqsave(&priv->tx_lock, flags);
1022
1023         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1024         if (queue_index == TXCMD_QUEUE) {
1025                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1026                 rtl819xU_tx_cmd(dev, skb);
1027                 ret = 1;
1028         } else {
1029                 skb_push(skb, priv->ieee80211->tx_headroom);
1030                 ret = rtl8192_tx(dev, skb);
1031         }
1032
1033         spin_unlock_irqrestore(&priv->tx_lock, flags);
1034
1035         return ret;
1036 }
1037
1038 static void rtl8192_tx_isr(struct urb *tx_urb)
1039 {
1040         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1041         struct net_device *dev = (struct net_device *)(skb->cb);
1042         struct r8192_priv *priv = NULL;
1043         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1044         u8  queue_index = tcb_desc->queue_index;
1045
1046         priv = ieee80211_priv(dev);
1047
1048         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1049                 if (tx_urb->status == 0) {
1050                         dev->trans_start = jiffies;
1051                         priv->stats.txoktotal++;
1052                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1053                         priv->stats.txbytesunicast +=
1054                                 (skb->len - priv->ieee80211->tx_headroom);
1055                 } else {
1056                         priv->ieee80211->stats.tx_errors++;
1057                         /* TODO */
1058                 }
1059         }
1060
1061         /* free skb and tx_urb */
1062         if (skb != NULL) {
1063                 dev_kfree_skb_any(skb);
1064                 usb_free_urb(tx_urb);
1065                 atomic_dec(&priv->tx_pending[queue_index]);
1066         }
1067
1068         /*
1069          * Handle HW Beacon:
1070          * We had transfer our beacon frame to host controller at this moment.
1071          *
1072          *
1073          * Caution:
1074          * Handling the wait queue of command packets.
1075          * For Tx command packets, we must not do TCB fragment because it is
1076          * not handled right now. We must cut the packets to match the size of
1077          * TX_CMD_PKT before we send it.
1078          */
1079
1080         /* Handle MPDU in wait queue. */
1081         if (queue_index != BEACON_QUEUE) {
1082                 /* Don't send data frame during scanning.*/
1083                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1084                     (!(priv->ieee80211->queue_stop))) {
1085                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1086                         if (skb)
1087                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1088                                                                          dev);
1089
1090                         return; /* avoid further processing AMSDU */
1091                 }
1092         }
1093
1094 }
1095
1096 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1097 {
1098         struct r8192_priv *priv = ieee80211_priv(dev);
1099         struct ieee80211_network *net;
1100         u8 i = 0, basic_rate = 0;
1101
1102         net = &priv->ieee80211->current_network;
1103
1104         for (i = 0; i < net->rates_len; i++) {
1105                 basic_rate = net->rates[i] & 0x7f;
1106                 switch (basic_rate) {
1107                 case MGN_1M:
1108                         *rate_config |= RRSR_1M;
1109                         break;
1110                 case MGN_2M:
1111                         *rate_config |= RRSR_2M;
1112                         break;
1113                 case MGN_5_5M:
1114                         *rate_config |= RRSR_5_5M;
1115                         break;
1116                 case MGN_11M:
1117                         *rate_config |= RRSR_11M;
1118                         break;
1119                 case MGN_6M:
1120                         *rate_config |= RRSR_6M;
1121                         break;
1122                 case MGN_9M:
1123                         *rate_config |= RRSR_9M;
1124                         break;
1125                 case MGN_12M:
1126                         *rate_config |= RRSR_12M;
1127                         break;
1128                 case MGN_18M:
1129                         *rate_config |= RRSR_18M;
1130                         break;
1131                 case MGN_24M:
1132                         *rate_config |= RRSR_24M;
1133                         break;
1134                 case MGN_36M:
1135                         *rate_config |= RRSR_36M;
1136                         break;
1137                 case MGN_48M:
1138                         *rate_config |= RRSR_48M;
1139                         break;
1140                 case MGN_54M:
1141                         *rate_config |= RRSR_54M;
1142                         break;
1143                 }
1144         }
1145         for (i = 0; i < net->rates_ex_len; i++) {
1146                 basic_rate = net->rates_ex[i] & 0x7f;
1147                 switch (basic_rate) {
1148                 case MGN_1M:
1149                         *rate_config |= RRSR_1M;
1150                         break;
1151                 case MGN_2M:
1152                         *rate_config |= RRSR_2M;
1153                         break;
1154                 case MGN_5_5M:
1155                         *rate_config |= RRSR_5_5M;
1156                         break;
1157                 case MGN_11M:
1158                         *rate_config |= RRSR_11M;
1159                         break;
1160                 case MGN_6M:
1161                         *rate_config |= RRSR_6M;
1162                         break;
1163                 case MGN_9M:
1164                         *rate_config |= RRSR_9M;
1165                         break;
1166                 case MGN_12M:
1167                         *rate_config |= RRSR_12M;
1168                         break;
1169                 case MGN_18M:
1170                         *rate_config |= RRSR_18M;
1171                         break;
1172                 case MGN_24M:
1173                         *rate_config |= RRSR_24M;
1174                         break;
1175                 case MGN_36M:
1176                         *rate_config |= RRSR_36M;
1177                         break;
1178                 case MGN_48M:
1179                         *rate_config |= RRSR_48M;
1180                         break;
1181                 case MGN_54M:
1182                         *rate_config |= RRSR_54M;
1183                         break;
1184                 }
1185         }
1186 }
1187
1188
1189 #define SHORT_SLOT_TIME 9
1190 #define NON_SHORT_SLOT_TIME 20
1191
1192 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1193 {
1194         u32 tmp = 0;
1195         struct r8192_priv *priv = ieee80211_priv(dev);
1196         struct ieee80211_network *net = &priv->ieee80211->current_network;
1197
1198         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1199         tmp = priv->basic_rate;
1200         if (priv->short_preamble)
1201                 tmp |= BRSR_AckShortPmb;
1202         write_nic_dword(dev, RRSR, tmp);
1203
1204         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1205                 u8 slot_time = 0;
1206
1207                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1208                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1209                         /* short slot time */
1210                         slot_time = SHORT_SLOT_TIME;
1211                 else    /* long slot time */
1212                         slot_time = NON_SHORT_SLOT_TIME;
1213                 priv->slot_time = slot_time;
1214                 write_nic_byte(dev, SLOT_TIME, slot_time);
1215         }
1216
1217 }
1218 static void rtl8192_net_update(struct net_device *dev)
1219 {
1220
1221         struct r8192_priv *priv = ieee80211_priv(dev);
1222         struct ieee80211_network *net;
1223         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1224         u16 rate_config = 0;
1225
1226         net = &priv->ieee80211->current_network;
1227
1228         rtl8192_config_rate(dev, &rate_config);
1229         priv->basic_rate = rate_config & 0x15f;
1230
1231         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1232         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1233
1234         rtl8192_update_msr(dev);
1235         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1236                 write_nic_word(dev, ATIMWND, 2);
1237                 write_nic_word(dev, BCN_DMATIME, 1023);
1238                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1239                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1240                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1241                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1242                 /* TODO: BcnIFS may required to be changed on ASIC */
1243                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1244
1245                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1246         }
1247
1248
1249
1250 }
1251
1252 /* temporary hw beacon is not used any more.
1253  * open it when necessary
1254  */
1255 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1256 {
1257
1258 }
1259 inline u8 rtl8192_IsWirelessBMode(u16 rate)
1260 {
1261         if (((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220))
1262                 return 1;
1263         else
1264                 return 0;
1265 }
1266
1267 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1268 {
1269         struct r8192_priv *priv = ieee80211_priv(dev);
1270         int                     status;
1271         struct urb              *tx_urb;
1272         unsigned int            idx_pipe;
1273         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1274         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1275         u8 queue_index = tcb_desc->queue_index;
1276
1277         atomic_inc(&priv->tx_pending[queue_index]);
1278         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1279         if (!tx_urb) {
1280                 dev_kfree_skb(skb);
1281                 return -ENOMEM;
1282         }
1283
1284         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1285         /* Tx descriptor ought to be set according to the skb->cb */
1286         pdesc->FirstSeg = 1;
1287         pdesc->LastSeg = 1;
1288         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1289         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1290         pdesc->OWN = 1;
1291         pdesc->LINIP = tcb_desc->bLastIniPkt;
1292
1293         /*---------------------------------------------------------------------
1294          * Fill up USB_OUT_CONTEXT.
1295          *---------------------------------------------------------------------
1296          */
1297         idx_pipe = 0x04;
1298         usb_fill_bulk_urb(tx_urb, priv->udev,
1299                           usb_sndbulkpipe(priv->udev, idx_pipe),
1300                           skb->data, skb->len, rtl8192_tx_isr, skb);
1301
1302         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1303
1304         if (!status)
1305                 return 0;
1306
1307         DMESGE("Error TX CMD URB, error %d", status);
1308         return -1;
1309 }
1310
1311 /*
1312  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1313  * in TxFwInfo data structure
1314  * 2006.10.30 by Emily
1315  *
1316  * \param QUEUEID       Software Queue
1317 */
1318 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1319 {
1320         u8 QueueSelect = 0x0;       /* defualt set to */
1321
1322         switch (QueueID) {
1323         case BE_QUEUE:
1324                 QueueSelect = QSLT_BE;
1325                 break;
1326
1327         case BK_QUEUE:
1328                 QueueSelect = QSLT_BK;
1329                 break;
1330
1331         case VO_QUEUE:
1332                 QueueSelect = QSLT_VO;
1333                 break;
1334
1335         case VI_QUEUE:
1336                 QueueSelect = QSLT_VI;
1337                 break;
1338         case MGNT_QUEUE:
1339                 QueueSelect = QSLT_MGNT;
1340                 break;
1341
1342         case BEACON_QUEUE:
1343                 QueueSelect = QSLT_BEACON;
1344                 break;
1345
1346                 /* TODO: mark other queue selection until we verify it is OK */
1347                 /* TODO: Remove Assertions */
1348         case TXCMD_QUEUE:
1349                 QueueSelect = QSLT_CMD;
1350                 break;
1351         case HIGH_QUEUE:
1352                 QueueSelect = QSLT_HIGH;
1353                 break;
1354
1355         default:
1356                 RT_TRACE(COMP_ERR,
1357                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1358                          QueueID);
1359                 break;
1360         }
1361         return QueueSelect;
1362 }
1363
1364 static u8 MRateToHwRate8190Pci(u8 rate)
1365 {
1366         u8  ret = DESC90_RATE1M;
1367
1368         switch (rate) {
1369         case MGN_1M:
1370                 ret = DESC90_RATE1M;
1371                 break;
1372         case MGN_2M:
1373                 ret = DESC90_RATE2M;
1374                 break;
1375         case MGN_5_5M:
1376                 ret = DESC90_RATE5_5M;
1377                 break;
1378         case MGN_11M:
1379                 ret = DESC90_RATE11M;
1380                 break;
1381         case MGN_6M:
1382                 ret = DESC90_RATE6M;
1383                 break;
1384         case MGN_9M:
1385                 ret = DESC90_RATE9M;
1386                 break;
1387         case MGN_12M:
1388                 ret = DESC90_RATE12M;
1389                 break;
1390         case MGN_18M:
1391                 ret = DESC90_RATE18M;
1392                 break;
1393         case MGN_24M:
1394                 ret = DESC90_RATE24M;
1395                 break;
1396         case MGN_36M:
1397                 ret = DESC90_RATE36M;
1398                 break;
1399         case MGN_48M:
1400                 ret = DESC90_RATE48M;
1401                 break;
1402         case MGN_54M:
1403                 ret = DESC90_RATE54M;
1404                 break;
1405
1406         /* HT rate since here */
1407         case MGN_MCS0:
1408                 ret = DESC90_RATEMCS0;
1409                 break;
1410         case MGN_MCS1:
1411                 ret = DESC90_RATEMCS1;
1412                 break;
1413         case MGN_MCS2:
1414                 ret = DESC90_RATEMCS2;
1415                 break;
1416         case MGN_MCS3:
1417                 ret = DESC90_RATEMCS3;
1418                 break;
1419         case MGN_MCS4:
1420                 ret = DESC90_RATEMCS4;
1421                 break;
1422         case MGN_MCS5:
1423                 ret = DESC90_RATEMCS5;
1424                 break;
1425         case MGN_MCS6:
1426                 ret = DESC90_RATEMCS6;
1427                 break;
1428         case MGN_MCS7:
1429                 ret = DESC90_RATEMCS7;
1430                 break;
1431         case MGN_MCS8:
1432                 ret = DESC90_RATEMCS8;
1433                 break;
1434         case MGN_MCS9:
1435                 ret = DESC90_RATEMCS9;
1436                 break;
1437         case MGN_MCS10:
1438                 ret = DESC90_RATEMCS10;
1439                 break;
1440         case MGN_MCS11:
1441                 ret = DESC90_RATEMCS11;
1442                 break;
1443         case MGN_MCS12:
1444                 ret = DESC90_RATEMCS12;
1445                 break;
1446         case MGN_MCS13:
1447                 ret = DESC90_RATEMCS13;
1448                 break;
1449         case MGN_MCS14:
1450                 ret = DESC90_RATEMCS14;
1451                 break;
1452         case MGN_MCS15:
1453                 ret = DESC90_RATEMCS15;
1454                 break;
1455         case (0x80 | 0x20):
1456                 ret = DESC90_RATEMCS32;
1457                 break;
1458
1459         default:
1460                 break;
1461         }
1462         return ret;
1463 }
1464
1465
1466 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1467 {
1468         u8   tmp_Short;
1469
1470         tmp_Short = (TxHT == 1) ?
1471                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1472                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1473
1474         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1475                 tmp_Short = 0;
1476
1477         return tmp_Short;
1478 }
1479
1480 static void tx_zero_isr(struct urb *tx_urb)
1481 {
1482 }
1483
1484 /*
1485  * The tx procedure is just as following,
1486  * skb->cb will contain all the following information,
1487  * priority, morefrag, rate, &dev.
1488  * */
1489 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1490 {
1491         struct r8192_priv *priv = ieee80211_priv(dev);
1492         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1493         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1494         tx_fwinfo_819x_usb *tx_fwinfo =
1495                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1496         struct usb_device *udev = priv->udev;
1497         int pend;
1498         int status;
1499         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1500         unsigned int idx_pipe;
1501
1502         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1503         /* we are locked here so the two atomic_read and inc are executed
1504          * without interleaves
1505          * !!! For debug purpose
1506          */
1507         if (pend > MAX_TX_URB) {
1508                 netdev_dbg(dev, "To discard skb packet!\n");
1509                 dev_kfree_skb_any(skb);
1510                 return -1;
1511         }
1512
1513         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1514         if (!tx_urb) {
1515                 dev_kfree_skb_any(skb);
1516                 return -ENOMEM;
1517         }
1518
1519         /* Fill Tx firmware info */
1520         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1521         /* DWORD 0 */
1522         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1523         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1524         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1525         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1526                                         tcb_desc);
1527         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1528                 tx_fwinfo->AllowAggregation = 1;
1529                 /* DWORD 1 */
1530                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1531                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1532         } else {
1533                 tx_fwinfo->AllowAggregation = 0;
1534                 /* DWORD 1 */
1535                 tx_fwinfo->RxMF = 0;
1536                 tx_fwinfo->RxAMD = 0;
1537         }
1538
1539         /* Protection mode related */
1540         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1541         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1542         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1543         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1544         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1545         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1546         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1547         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1548                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1549
1550         /* Set Bandwidth and sub-channel settings. */
1551         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1552                 if (tcb_desc->bPacketBW) {
1553                         tx_fwinfo->TxBandwidth = 1;
1554                         /* use duplicated mode */
1555                         tx_fwinfo->TxSubCarrier = 0;
1556                 } else {
1557                         tx_fwinfo->TxBandwidth = 0;
1558                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1559                 }
1560         } else {
1561                 tx_fwinfo->TxBandwidth = 0;
1562                 tx_fwinfo->TxSubCarrier = 0;
1563         }
1564
1565         /* Fill Tx descriptor */
1566         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1567         /* DWORD 0 */
1568         tx_desc->LINIP = 0;
1569         tx_desc->CmdInit = 1;
1570         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1571         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1572
1573         /*DWORD 1*/
1574         tx_desc->SecCAMID = 0;
1575         tx_desc->RATid = tcb_desc->RATRIndex;
1576         tx_desc->NoEnc = 1;
1577         tx_desc->SecType = 0x0;
1578         if (tcb_desc->bHwSec) {
1579                 switch (priv->ieee80211->pairwise_key_type) {
1580                 case KEY_TYPE_WEP40:
1581                 case KEY_TYPE_WEP104:
1582                         tx_desc->SecType = 0x1;
1583                         tx_desc->NoEnc = 0;
1584                         break;
1585                 case KEY_TYPE_TKIP:
1586                         tx_desc->SecType = 0x2;
1587                         tx_desc->NoEnc = 0;
1588                         break;
1589                 case KEY_TYPE_CCMP:
1590                         tx_desc->SecType = 0x3;
1591                         tx_desc->NoEnc = 0;
1592                         break;
1593                 case KEY_TYPE_NA:
1594                         tx_desc->SecType = 0x0;
1595                         tx_desc->NoEnc = 1;
1596                         break;
1597                 }
1598         }
1599
1600         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1601         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1602
1603         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1604         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1605
1606         /* Fill fields that are required to be initialized in
1607          * all of the descriptors
1608          */
1609         /* DWORD 0 */
1610         tx_desc->FirstSeg = 1;
1611         tx_desc->LastSeg = 1;
1612         tx_desc->OWN = 1;
1613
1614         /* DWORD 2 */
1615         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1616         idx_pipe = 0x5;
1617
1618         /* To submit bulk urb */
1619         usb_fill_bulk_urb(tx_urb, udev,
1620                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1621                           skb->len, rtl8192_tx_isr, skb);
1622
1623         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1624         if (!status) {
1625                 /* We need to send 0 byte packet whenever
1626                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1627                  * been transmitted. Otherwise, it will be halt to wait for
1628                  * another packet.
1629                  */
1630                 bool bSend0Byte = false;
1631                 u8 zero = 0;
1632
1633                 if (udev->speed == USB_SPEED_HIGH) {
1634                         if (skb->len > 0 && skb->len % 512 == 0)
1635                                 bSend0Byte = true;
1636                 } else {
1637                         if (skb->len > 0 && skb->len % 64 == 0)
1638                                 bSend0Byte = true;
1639                 }
1640                 if (bSend0Byte) {
1641                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1642                         if (!tx_urb_zero) {
1643                                 RT_TRACE(COMP_ERR,
1644                                          "can't alloc urb for zero byte\n");
1645                                 return -ENOMEM;
1646                         }
1647                         usb_fill_bulk_urb(tx_urb_zero, udev,
1648                                           usb_sndbulkpipe(udev, idx_pipe),
1649                                           &zero, 0, tx_zero_isr, dev);
1650                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1651                         if (status) {
1652                                 RT_TRACE(COMP_ERR,
1653                                          "Error TX URB for zero byte %d, error %d",
1654                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1655                                          status);
1656                                 return -1;
1657                         }
1658                 }
1659                 dev->trans_start = jiffies;
1660                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1661                 return 0;
1662         }
1663
1664         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1665                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1666                  status);
1667         return -1;
1668 }
1669
1670 static short rtl8192_usb_initendpoints(struct net_device *dev)
1671 {
1672         struct r8192_priv *priv = ieee80211_priv(dev);
1673
1674         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1675                                GFP_KERNEL);
1676         if (priv->rx_urb == NULL)
1677                 return -ENOMEM;
1678
1679 #ifndef JACKSON_NEW_RX
1680         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1681
1682                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1683
1684                 priv->rx_urb[i]->transfer_buffer =
1685                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1686
1687                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1688         }
1689 #endif
1690
1691 #ifdef THOMAS_BEACON
1692         {
1693                 long align = 0;
1694                 void *oldaddr, *newaddr;
1695
1696                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1697                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1698                 oldaddr = priv->oldaddr;
1699                 align = ((long)oldaddr) & 3;
1700                 if (align) {
1701                         newaddr = oldaddr + 4 - align;
1702                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1703                 } else {
1704                         newaddr = oldaddr;
1705                         priv->rx_urb[16]->transfer_buffer_length = 16;
1706                 }
1707                 priv->rx_urb[16]->transfer_buffer = newaddr;
1708         }
1709 #endif
1710
1711         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1712         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1713                                  GFP_KERNEL);
1714         if (!priv->pp_rxskb) {
1715                 kfree(priv->rx_urb);
1716
1717                 priv->pp_rxskb = NULL;
1718                 priv->rx_urb = NULL;
1719
1720                 DMESGE("Endpoint Alloc Failure");
1721                 return -ENOMEM;
1722         }
1723
1724         netdev_dbg(dev, "End of initendpoints\n");
1725         return 0;
1726
1727 }
1728 #ifdef THOMAS_BEACON
1729 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1730 {
1731         int i;
1732         struct r8192_priv *priv = ieee80211_priv(dev);
1733
1734         if (priv->rx_urb) {
1735                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1736                         usb_kill_urb(priv->rx_urb[i]);
1737                         usb_free_urb(priv->rx_urb[i]);
1738                 }
1739                 kfree(priv->rx_urb);
1740                 priv->rx_urb = NULL;
1741         }
1742         kfree(priv->oldaddr);
1743         priv->oldaddr = NULL;
1744
1745         kfree(priv->pp_rxskb);
1746         priv->pp_rxskb = NULL;
1747 }
1748 #else
1749 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1750 {
1751         int i;
1752         struct r8192_priv *priv = ieee80211_priv(dev);
1753
1754 #ifndef JACKSON_NEW_RX
1755
1756         if (priv->rx_urb) {
1757                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1758                         usb_kill_urb(priv->rx_urb[i]);
1759                         kfree(priv->rx_urb[i]->transfer_buffer);
1760                         usb_free_urb(priv->rx_urb[i]);
1761                 }
1762                 kfree(priv->rx_urb);
1763                 priv->rx_urb = NULL;
1764
1765         }
1766 #else
1767         kfree(priv->rx_urb);
1768         priv->rx_urb = NULL;
1769         kfree(priv->oldaddr);
1770         priv->oldaddr = NULL;
1771
1772         kfree(priv->pp_rxskb);
1773         priv->pp_rxskb = 0;
1774
1775 #endif
1776 }
1777 #endif
1778
1779 static void rtl8192_update_ratr_table(struct net_device *dev);
1780 static void rtl8192_link_change(struct net_device *dev)
1781 {
1782         struct r8192_priv *priv = ieee80211_priv(dev);
1783         struct ieee80211_device *ieee = priv->ieee80211;
1784
1785         if (ieee->state == IEEE80211_LINKED) {
1786                 rtl8192_net_update(dev);
1787                 rtl8192_update_ratr_table(dev);
1788                 /* Add this as in pure N mode, wep encryption will use software
1789                  * way, but there is no chance to set this as wep will not set
1790                  * group key in wext.
1791                  */
1792                 if (KEY_TYPE_WEP40 == ieee->pairwise_key_type ||
1793                     KEY_TYPE_WEP104 == ieee->pairwise_key_type)
1794                         EnableHWSecurityConfig8192(dev);
1795         }
1796         /*update timing params*/
1797         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1798                 u32 reg = 0;
1799
1800                 read_nic_dword(dev, RCR, &reg);
1801                 if (priv->ieee80211->state == IEEE80211_LINKED)
1802                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1803                 else
1804                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1805                 write_nic_dword(dev, RCR, reg);
1806         }
1807 }
1808
1809 static struct ieee80211_qos_parameters def_qos_parameters = {
1810         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1811         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1812         {2, 2, 2, 2},/* aifs */
1813         {0, 0, 0, 0},/* flags */
1814         {0, 0, 0, 0} /* tx_op_limit */
1815 };
1816
1817
1818 static void rtl8192_update_beacon(struct work_struct *work)
1819 {
1820         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1821                                                update_beacon_wq.work);
1822         struct net_device *dev = priv->ieee80211->dev;
1823         struct ieee80211_device *ieee = priv->ieee80211;
1824         struct ieee80211_network *net = &ieee->current_network;
1825
1826         if (ieee->pHTInfo->bCurrentHTSupport)
1827                 HTUpdateSelfAndPeerSetting(ieee, net);
1828         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1829                 net->bssht.bdRT2RTLongSlotTime;
1830         rtl8192_update_cap(dev, net->capability);
1831 }
1832 /*
1833 * background support to run QoS activate functionality
1834 */
1835 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1836                              EDCAPARA_VI, EDCAPARA_VO};
1837 static void rtl8192_qos_activate(struct work_struct *work)
1838 {
1839         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1840                                                qos_activate);
1841         struct net_device *dev = priv->ieee80211->dev;
1842         struct ieee80211_qos_parameters *qos_parameters =
1843                 &priv->ieee80211->current_network.qos_data.parameters;
1844         u8 mode = priv->ieee80211->current_network.mode;
1845         u32  u1bAIFS;
1846         u32 u4bAcParam;
1847         u32 op_limit;
1848         u32 cw_max;
1849         u32 cw_min;
1850         int i;
1851
1852         mutex_lock(&priv->mutex);
1853         if (priv->ieee80211->state != IEEE80211_LINKED)
1854                 goto success;
1855         RT_TRACE(COMP_QOS,
1856                  "qos active process with associate response received\n");
1857         /* It better set slot time at first
1858          *
1859          * For we just support b/g mode at present, let the slot time at
1860          * 9/20 selection
1861          *
1862          * update the ac parameter to related registers
1863          */
1864         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1865                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1866                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1867                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1868                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1869                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1870                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1871                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1872                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1873                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1874                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1875                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1876         }
1877
1878 success:
1879         mutex_unlock(&priv->mutex);
1880 }
1881
1882 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1883                                              int active_network,
1884                                              struct ieee80211_network *network)
1885 {
1886         int ret = 0;
1887         u32 size = sizeof(struct ieee80211_qos_parameters);
1888
1889         if (priv->ieee80211->state != IEEE80211_LINKED)
1890                 return ret;
1891
1892         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1893                 return ret;
1894
1895         if (network->flags & NETWORK_HAS_QOS_MASK) {
1896                 if (active_network &&
1897                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1898                         network->qos_data.active = network->qos_data.supported;
1899
1900                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1901                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1902                     (network->qos_data.old_param_count !=
1903                      network->qos_data.param_count)) {
1904                         network->qos_data.old_param_count =
1905                                 network->qos_data.param_count;
1906                         queue_work(priv->priv_wq, &priv->qos_activate);
1907                         RT_TRACE(COMP_QOS,
1908                                  "QoS parameters change call qos_activate\n");
1909                 }
1910         } else {
1911                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1912                        &def_qos_parameters, size);
1913
1914                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1915                         queue_work(priv->priv_wq, &priv->qos_activate);
1916                         RT_TRACE(COMP_QOS,
1917                                  "QoS was disabled call qos_activate\n");
1918                 }
1919                 network->qos_data.active = 0;
1920                 network->qos_data.supported = 0;
1921         }
1922
1923         return 0;
1924 }
1925
1926 /* handle and manage frame from beacon and probe response */
1927 static int rtl8192_handle_beacon(struct net_device *dev,
1928                                  struct ieee80211_beacon *beacon,
1929                                  struct ieee80211_network *network)
1930 {
1931         struct r8192_priv *priv = ieee80211_priv(dev);
1932
1933         rtl8192_qos_handle_probe_response(priv, 1, network);
1934         queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1935         return 0;
1936
1937 }
1938
1939 /*
1940 * handling the beaconing responses. if we get different QoS setting
1941 * off the network from the associated setting, adjust the QoS
1942 * setting
1943 */
1944 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1945                                         struct ieee80211_network *network)
1946 {
1947         unsigned long flags;
1948         u32 size = sizeof(struct ieee80211_qos_parameters);
1949         int set_qos_param = 0;
1950
1951         if ((priv == NULL) || (network == NULL))
1952                 return 0;
1953
1954         if (priv->ieee80211->state != IEEE80211_LINKED)
1955                 return 0;
1956
1957         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1958                 return 0;
1959
1960         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1961         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1962                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1963                        &network->qos_data.parameters,
1964                        sizeof(struct ieee80211_qos_parameters));
1965                 priv->ieee80211->current_network.qos_data.active = 1;
1966                 set_qos_param = 1;
1967                 /* update qos parameter for current network */
1968                 priv->ieee80211->current_network.qos_data.old_param_count =
1969                         priv->ieee80211->current_network.qos_data.param_count;
1970                 priv->ieee80211->current_network.qos_data.param_count =
1971                         network->qos_data.param_count;
1972         } else {
1973                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1974                        &def_qos_parameters, size);
1975                 priv->ieee80211->current_network.qos_data.active = 0;
1976                 priv->ieee80211->current_network.qos_data.supported = 0;
1977                 set_qos_param = 1;
1978         }
1979
1980         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1981
1982         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1983                  network->flags,
1984                  priv->ieee80211->current_network.qos_data.active);
1985         if (set_qos_param == 1)
1986                 queue_work(priv->priv_wq, &priv->qos_activate);
1987
1988
1989         return 0;
1990 }
1991
1992
1993 static int rtl8192_handle_assoc_response(
1994                 struct net_device *dev,
1995                 struct ieee80211_assoc_response_frame *resp,
1996                 struct ieee80211_network *network)
1997 {
1998         struct r8192_priv *priv = ieee80211_priv(dev);
1999
2000         rtl8192_qos_association_resp(priv, network);
2001         return 0;
2002 }
2003
2004
2005 static void rtl8192_update_ratr_table(struct net_device *dev)
2006 {
2007         struct r8192_priv *priv = ieee80211_priv(dev);
2008         struct ieee80211_device *ieee = priv->ieee80211;
2009         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2010         u32 ratr_value = 0;
2011         u8 rate_index = 0;
2012
2013         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2014         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2015         switch (ieee->mode) {
2016         case IEEE_A:
2017                 ratr_value &= 0x00000FF0;
2018                 break;
2019         case IEEE_B:
2020                 ratr_value &= 0x0000000F;
2021                 break;
2022         case IEEE_G:
2023                 ratr_value &= 0x00000FF7;
2024                 break;
2025         case IEEE_N_24G:
2026         case IEEE_N_5G:
2027                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2028                         ratr_value &= 0x0007F007;
2029                 } else {
2030                         if (priv->rf_type == RF_1T2R)
2031                                 ratr_value &= 0x000FF007;
2032                         else
2033                                 ratr_value &= 0x0F81F007;
2034                 }
2035                 break;
2036         default:
2037                 break;
2038         }
2039         ratr_value &= 0x0FFFFFFF;
2040         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2041                 ratr_value |= 0x80000000;
2042         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2043                  ieee->pHTInfo->bCurShortGI20MHz)
2044                 ratr_value |= 0x80000000;
2045         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2046         write_nic_byte(dev, UFWP, 1);
2047 }
2048
2049 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2050 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2051 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2052 {
2053         struct r8192_priv *priv = ieee80211_priv(dev);
2054         struct ieee80211_device *ieee = priv->ieee80211;
2055         struct ieee80211_network *network = &ieee->current_network;
2056         int wpa_ie_len = ieee->wpa_ie_len;
2057         struct ieee80211_crypt_data *crypt;
2058         int encrypt;
2059
2060         crypt = ieee->crypt[ieee->tx_keyidx];
2061         /* we use connecting AP's capability instead of only security config
2062          * on our driver to distinguish whether it should use N mode or G mode
2063          */
2064         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2065                   (ieee->host_encrypt && crypt && crypt->ops &&
2066                    (0 == strcmp(crypt->ops->name, "WEP")));
2067
2068         /* simply judge  */
2069         if (encrypt && (wpa_ie_len == 0)) {
2070                 /* wep encryption, no N mode setting */
2071                 return false;
2072         } else if ((wpa_ie_len != 0)) {
2073                 /* parse pairwise key type */
2074                 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))
2075                         return true;
2076                 else
2077                         return false;
2078         } else {
2079                 return true;
2080         }
2081
2082         return true;
2083 }
2084
2085 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2086 {
2087         struct r8192_priv *priv = ieee80211_priv(dev);
2088
2089         return priv->ieee80211->bHalfWirelessN24GMode;
2090 }
2091
2092 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2093 {
2094         struct ieee80211_device *ieee = priv->ieee80211;
2095         /* We do not consider set support rate for ABG mode, only
2096          * HT MCS rate is set here.
2097          */
2098         if (ieee->mode == WIRELESS_MODE_N_24G ||
2099             ieee->mode == WIRELESS_MODE_N_5G)
2100                 memcpy(ieee->Regdot11HTOperationalRateSet,
2101                        ieee->RegHTSuppRateSet, 16);
2102         else
2103                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2104 }
2105
2106 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2107 {
2108         struct r8192_priv *priv = ieee80211_priv(dev);
2109         u8 ret = 0;
2110
2111         switch (priv->rf_chip) {
2112         case RF_8225:
2113         case RF_8256:
2114         case RF_PSEUDO_11N:
2115                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2116                 break;
2117         case RF_8258:
2118                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2119                 break;
2120         default:
2121                 ret = WIRELESS_MODE_B;
2122                 break;
2123         }
2124         return ret;
2125 }
2126 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2127 {
2128         struct r8192_priv *priv = ieee80211_priv(dev);
2129         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2130
2131         if (wireless_mode == WIRELESS_MODE_AUTO ||
2132             (wireless_mode & bSupportMode) == 0) {
2133                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2134                         wireless_mode = WIRELESS_MODE_N_24G;
2135                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2136                         wireless_mode = WIRELESS_MODE_N_5G;
2137                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2138                         wireless_mode = WIRELESS_MODE_A;
2139                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2140                         wireless_mode = WIRELESS_MODE_G;
2141                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2142                         wireless_mode = WIRELESS_MODE_B;
2143                 } else {
2144                         RT_TRACE(COMP_ERR,
2145                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2146                                  __func__, bSupportMode);
2147                         wireless_mode = WIRELESS_MODE_B;
2148                 }
2149         }
2150 #ifdef TO_DO_LIST
2151         /* TODO: this function doesn't work well at this time,
2152          * we should wait for FPGA
2153          */
2154         ActUpdateChannelAccessSetting(
2155                         pAdapter, pHalData->CurrentWirelessMode,
2156                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2157 #endif
2158         priv->ieee80211->mode = wireless_mode;
2159
2160         if (wireless_mode == WIRELESS_MODE_N_24G ||
2161             wireless_mode == WIRELESS_MODE_N_5G)
2162                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2163         else
2164                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2165         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2166         rtl8192_refresh_supportrate(priv);
2167
2168 }
2169 /* init priv variables here. only non_zero value should be initialized here. */
2170 static void rtl8192_init_priv_variable(struct net_device *dev)
2171 {
2172         struct r8192_priv *priv = ieee80211_priv(dev);
2173         u8 i;
2174
2175         priv->card_8192 = NIC_8192U;
2176         priv->chan = 1; /* set to channel 1 */
2177         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2178         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2179         priv->ieee80211->ieee_up = 0;
2180         priv->retry_rts = DEFAULT_RETRY_RTS;
2181         priv->retry_data = DEFAULT_RETRY_DATA;
2182         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2183         priv->ieee80211->rate = 110; /* 11 mbps */
2184         priv->ieee80211->short_slot = 1;
2185         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2186         priv->CckPwEnl = 6;
2187         /* for silent reset */
2188         priv->IrpPendingCount = 1;
2189         priv->ResetProgress = RESET_TYPE_NORESET;
2190         priv->bForcedSilentReset = false;
2191         priv->bDisableNormalResetCheck = false;
2192         priv->force_reset = false;
2193
2194         /* we don't use FW read/write RF until stable firmware is available. */
2195         priv->ieee80211->FwRWRF = 0;
2196         priv->ieee80211->current_network.beacon_interval =
2197                 DEFAULT_BEACONINTERVAL;
2198         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2199                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2200                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2201                 IEEE_SOFTMAC_BEACONS;
2202
2203         priv->ieee80211->active_scan = 1;
2204         priv->ieee80211->modulation =
2205                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2206         priv->ieee80211->host_encrypt = 1;
2207         priv->ieee80211->host_decrypt = 1;
2208         priv->ieee80211->start_send_beacons = NULL;
2209         priv->ieee80211->stop_send_beacons = NULL;
2210         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2211         priv->ieee80211->set_chan = rtl8192_set_chan;
2212         priv->ieee80211->link_change = rtl8192_link_change;
2213         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2214         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2215         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2216         priv->ieee80211->init_wmmparam_flag = 0;
2217         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2218         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2219         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2220         priv->ieee80211->qos_support = 1;
2221
2222         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2223         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2224         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2225
2226         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2227         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2228                 GetHalfNmodeSupportByAPs819xUsb;
2229         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2230
2231         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2232         priv->card_type = USB;
2233 #ifdef TO_DO_LIST
2234         if (Adapter->bInHctTest) {
2235                 pHalData->ShortRetryLimit = 7;
2236                 pHalData->LongRetryLimit = 7;
2237         }
2238 #endif
2239         priv->ShortRetryLimit = 0x30;
2240         priv->LongRetryLimit = 0x30;
2241         priv->EarlyRxThreshold = 7;
2242         priv->enable_gpio0 = 0;
2243         priv->TransmitConfig =
2244                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2245                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2246                 /* Short retry limit */
2247                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2248                 /* Long retry limit */
2249                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2250                 /* FALSE: HW provides PLCP length and LENGEXT
2251                  * TRUE: SW provides them
2252                  */
2253                 (false ? TCR_SAT : 0);
2254 #ifdef TO_DO_LIST
2255         if (Adapter->bInHctTest)
2256                 pHalData->ReceiveConfig =
2257                         pHalData->CSMethod |
2258                         /* accept management/data */
2259                         RCR_AMF | RCR_ADF |
2260                         /* accept control frame for SW
2261                          * AP needs PS-poll
2262                          */
2263                         RCR_ACF |
2264                         /* accept BC/MC/UC */
2265                         RCR_AB | RCR_AM | RCR_APM |
2266                         /* accept ICV/CRC error
2267                          * packet
2268                          */
2269                         RCR_AICV | RCR_ACRC32 |
2270                         /* Max DMA Burst Size per Tx
2271                          * DMA Burst, 7: unlimited.
2272                          */
2273                         ((u32)7 << RCR_MXDMA_OFFSET) |
2274                         /* Rx FIFO Threshold,
2275                          * 7: No Rx threshold.
2276                          */
2277                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2278                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2279         else
2280
2281 #endif
2282         priv->ReceiveConfig     =
2283                 /* accept management/data */
2284                 RCR_AMF | RCR_ADF |
2285                 /* accept control frame for SW AP needs PS-poll */
2286                 RCR_ACF |
2287                 /* accept BC/MC/UC */
2288                 RCR_AB | RCR_AM | RCR_APM |
2289                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2290                 ((u32)7 << RCR_MXDMA_OFFSET) |
2291                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2292                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2293                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2294
2295         priv->AcmControl = 0;
2296         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2297
2298         /* rx related queue */
2299         skb_queue_head_init(&priv->rx_queue);
2300         skb_queue_head_init(&priv->skb_queue);
2301
2302         /* Tx related queue */
2303         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2304                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2305         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2306                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2307         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2308                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2309         priv->rf_set_chan = rtl8192_phy_SwChnl;
2310 }
2311
2312 /* init lock here */
2313 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2314 {
2315         spin_lock_init(&priv->tx_lock);
2316         spin_lock_init(&priv->irq_lock);
2317         sema_init(&priv->wx_sem, 1);
2318         sema_init(&priv->rf_sem, 1);
2319         mutex_init(&priv->mutex);
2320 }
2321
2322 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2323
2324 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2325 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2326 #define DRV_NAME "wlan0"
2327 static void rtl8192_init_priv_task(struct net_device *dev)
2328 {
2329         struct r8192_priv *priv = ieee80211_priv(dev);
2330
2331         priv->priv_wq = create_workqueue(DRV_NAME);
2332
2333         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2334
2335         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2336                           rtl819x_watchdog_wqcallback);
2337         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2338                           dm_txpower_trackingcallback);
2339         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2340                           dm_rf_pathcheck_workitemcallback);
2341         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2342                           rtl8192_update_beacon);
2343         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2344                           InitialGainOperateWorkItemCallBack);
2345         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2346
2347         tasklet_init(&priv->irq_rx_tasklet,
2348                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2349                      (unsigned long)priv);
2350 }
2351
2352 static void rtl8192_get_eeprom_size(struct net_device *dev)
2353 {
2354         u16 curCR = 0;
2355         struct r8192_priv *priv = ieee80211_priv(dev);
2356
2357         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2358         read_nic_word_E(dev, EPROM_CMD, &curCR);
2359         RT_TRACE(COMP_EPROM,
2360                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2361         /* whether need I consider BIT5? */
2362         priv->epromtype =
2363                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2364         RT_TRACE(COMP_EPROM,
2365                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2366 }
2367
2368 /* used to swap endian. as ntohl & htonl are not necessary
2369  * to swap endian, so use this instead.
2370  */
2371 static inline u16 endian_swap(u16 *data)
2372 {
2373         u16 tmp = *data;
2374         *data = (tmp >> 8) | (tmp << 8);
2375         return *data;
2376 }
2377 static void rtl8192_read_eeprom_info(struct net_device *dev)
2378 {
2379         u16 wEPROM_ID = 0;
2380         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2381         u8 bLoad_From_EEPOM = false;
2382         struct r8192_priv *priv = ieee80211_priv(dev);
2383         u16 tmpValue = 0;
2384         int i;
2385
2386         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2387         wEPROM_ID = eprom_read(dev, 0); /* first read EEPROM ID out; */
2388         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2389
2390         if (wEPROM_ID != RTL8190_EEPROM_ID)
2391                 RT_TRACE(COMP_ERR,
2392                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2393                          wEPROM_ID, RTL8190_EEPROM_ID);
2394         else
2395                 bLoad_From_EEPOM = true;
2396
2397         if (bLoad_From_EEPOM) {
2398                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2399                 priv->eeprom_vid = endian_swap(&tmpValue);
2400                 priv->eeprom_pid = eprom_read(dev, EEPROM_PID >> 1);
2401                 tmpValue = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2402                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2403                 priv->btxpowerdata_readfromEEPORM = true;
2404                 priv->eeprom_CustomerID =
2405                         eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2406         } else {
2407                 priv->eeprom_vid = 0;
2408                 priv->eeprom_pid = 0;
2409                 priv->card_8192_version = VERSION_819xU_B;
2410                 priv->eeprom_ChannelPlan = 0;
2411                 priv->eeprom_CustomerID = 0;
2412         }
2413         RT_TRACE(COMP_EPROM,
2414                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2415                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2416                  priv->eeprom_ChannelPlan);
2417         /* set channelplan from eeprom */
2418         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2419         if (bLoad_From_EEPOM) {
2420                 int i;
2421
2422                 for (i = 0; i < 6; i += 2) {
2423                         u16 tmp = 0;
2424
2425                         tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2426                         *(u16 *)(&dev->dev_addr[i]) = tmp;
2427                 }
2428         } else {
2429                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2430                 /* should I set IDR0 here? */
2431         }
2432         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2433         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2434         priv->rf_chip = RF_8256;
2435
2436         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2437                 /* read Tx power gain offset of legacy OFDM to HT rate */
2438                 if (bLoad_From_EEPOM)
2439                         priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff >> 1)) & 0xff00) >> 8;
2440                 else
2441                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2442                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2443                 /* read ThermalMeter from EEPROM */
2444                 if (bLoad_From_EEPOM)
2445                         priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter >> 1)) & 0x00ff);
2446                 else
2447                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2448                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2449                 /* for tx power track */
2450                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2451                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2452                 if (bLoad_From_EEPOM)
2453                         priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff >> 1)) & 0x0f00) >> 8;
2454                 else
2455                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2456                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2457                 /* Read CrystalCap from EEPROM */
2458                 if (bLoad_From_EEPOM)
2459                         priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap >> 1)) & 0x0f);
2460                 else
2461                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2462                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2463                 /* get per-channel Tx power level */
2464                 if (bLoad_From_EEPOM)
2465                         priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1)) & 0xff00) >> 8;
2466                 else
2467                         priv->EEPROM_Def_Ver = 1;
2468                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2469                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2470                         int i;
2471
2472                         if (bLoad_From_EEPOM)
2473                                 priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1)) & 0xff) >> 8;
2474                         else
2475                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2476                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2477                         for (i = 0; i < 3; i++) {
2478                                 if (bLoad_From_EEPOM) {
2479                                         tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2480                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2481                                                 tmpValue = tmpValue & 0x00ff;
2482                                         else
2483                                                 tmpValue = (tmpValue & 0xff00) >> 8;
2484                                 } else {
2485                                         tmpValue = 0x10;
2486                                 }
2487                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2488                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2489                         }
2490                 } else if (priv->EEPROM_Def_Ver == 1) {
2491                         if (bLoad_From_EEPOM) {
2492                                 tmpValue = eprom_read(dev,
2493                                                 EEPROM_TxPwIndex_CCK_V1 >> 1);
2494                                 tmpValue = (tmpValue & 0xff00) >> 8;
2495                         } else {
2496                                 tmpValue = 0x10;
2497                         }
2498                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2499
2500                         if (bLoad_From_EEPOM)
2501                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2502                         else
2503                                 tmpValue = 0x1010;
2504                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2505                         if (bLoad_From_EEPOM)
2506                                 tmpValue = eprom_read(dev,
2507                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2508                         else
2509                                 tmpValue = 0x1010;
2510                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2511                         if (bLoad_From_EEPOM)
2512                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2513                         else
2514                                 tmpValue = 0x10;
2515                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2516                 } /* endif EEPROM_Def_Ver == 1 */
2517
2518                 /* update HAL variables */
2519                 for (i = 0; i < 14; i++) {
2520                         if (i <= 3)
2521                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2522                         else if (i >= 4 && i <= 9)
2523                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2524                         else
2525                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2526                 }
2527
2528                 for (i = 0; i < 14; i++) {
2529                         if (priv->EEPROM_Def_Ver == 0) {
2530                                 if (i <= 3)
2531                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2532                                 else if (i >= 4 && i <= 9)
2533                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2534                                 else
2535                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2536                         } else if (priv->EEPROM_Def_Ver == 1) {
2537                                 if (i <= 3)
2538                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2539                                 else if (i >= 4 && i <= 9)
2540                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2541                                 else
2542                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2543                         }
2544                 }
2545                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2546                 /* Antenna B gain offset to antenna A, bit0~3 */
2547                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2548                 /* Antenna C gain offset to antenna A, bit4~7 */
2549                 priv->AntennaTxPwDiff[1] =
2550                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2551                 /* CrystalCap, bit12~15 */
2552                 priv->CrystalCap = priv->EEPROMCrystalCap;
2553                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2554                  * 92U does not enable TX power tracking.
2555                  */
2556                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2557         } /* end if VersionID == VERSION_819xU_A */
2558
2559         /* for dlink led */
2560         switch (priv->eeprom_CustomerID) {
2561         case EEPROM_CID_RUNTOP:
2562                 priv->CustomerID = RT_CID_819x_RUNTOP;
2563                 break;
2564
2565         case EEPROM_CID_DLINK:
2566                 priv->CustomerID = RT_CID_DLINK;
2567                 break;
2568
2569         default:
2570                 priv->CustomerID = RT_CID_DEFAULT;
2571                 break;
2572
2573         }
2574
2575         switch (priv->CustomerID) {
2576         case RT_CID_819x_RUNTOP:
2577                 priv->LedStrategy = SW_LED_MODE2;
2578                 break;
2579
2580         case RT_CID_DLINK:
2581                 priv->LedStrategy = SW_LED_MODE4;
2582                 break;
2583
2584         default:
2585                 priv->LedStrategy = SW_LED_MODE0;
2586                 break;
2587
2588         }
2589
2590
2591         if (priv->rf_type == RF_1T2R)
2592                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2593         else
2594                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2595
2596         /* We can only know RF type in the function. So we have to init
2597          * DIG RATR table again.
2598          */
2599         init_rate_adaptive(dev);
2600
2601         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2602 }
2603
2604 static short rtl8192_get_channel_map(struct net_device *dev)
2605 {
2606         struct r8192_priv *priv = ieee80211_priv(dev);
2607
2608         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2609                 netdev_err(dev,
2610                            "rtl8180_init: Error channel plan! Set to default.\n");
2611                 priv->ChannelPlan = 0;
2612         }
2613         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2614
2615         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2616         return 0;
2617 }
2618
2619 static short rtl8192_init(struct net_device *dev)
2620 {
2621
2622         struct r8192_priv *priv = ieee80211_priv(dev);
2623
2624         memset(&(priv->stats), 0, sizeof(struct Stats));
2625         memset(priv->txqueue_to_outpipemap, 0, 9);
2626 #ifdef PIPE12
2627         {
2628                 int i = 0;
2629                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2630
2631                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2632         }
2633 #else
2634         {
2635                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2636
2637                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2638         }
2639 #endif
2640         rtl8192_init_priv_variable(dev);
2641         rtl8192_init_priv_lock(priv);
2642         rtl8192_init_priv_task(dev);
2643         rtl8192_get_eeprom_size(dev);
2644         rtl8192_read_eeprom_info(dev);
2645         rtl8192_get_channel_map(dev);
2646         init_hal_dm(dev);
2647         setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2648                     (unsigned long)dev);
2649         if (rtl8192_usb_initendpoints(dev) != 0) {
2650                 DMESG("Endopoints initialization failed");
2651                 return -ENOMEM;
2652         }
2653
2654         return 0;
2655 }
2656
2657 /******************************************************************************
2658  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2659  *           not to do all the hw config as its name says
2660  *   input:  net_device dev
2661  *  output:  none
2662  *  return:  none
2663  *  notice:  This part need to modified according to the rate set we filtered
2664  * ****************************************************************************/
2665 static void rtl8192_hwconfig(struct net_device *dev)
2666 {
2667         u32 regRATR = 0, regRRSR = 0;
2668         u8 regBwOpMode = 0, regTmp = 0;
2669         struct r8192_priv *priv = ieee80211_priv(dev);
2670         u32 ratr_value = 0;
2671
2672         /* Set RRSR, RATR, and BW_OPMODE registers */
2673         switch (priv->ieee80211->mode) {
2674         case WIRELESS_MODE_B:
2675                 regBwOpMode = BW_OPMODE_20MHZ;
2676                 regRATR = RATE_ALL_CCK;
2677                 regRRSR = RATE_ALL_CCK;
2678                 break;
2679         case WIRELESS_MODE_A:
2680                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2681                 regRATR = RATE_ALL_OFDM_AG;
2682                 regRRSR = RATE_ALL_OFDM_AG;
2683                 break;
2684         case WIRELESS_MODE_G:
2685                 regBwOpMode = BW_OPMODE_20MHZ;
2686                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2687                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2688                 break;
2689         case WIRELESS_MODE_AUTO:
2690 #ifdef TO_DO_LIST
2691                 if (Adapter->bInHctTest) {
2692                         regBwOpMode = BW_OPMODE_20MHZ;
2693                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2694                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2695                 } else
2696 #endif
2697                 {
2698                         regBwOpMode = BW_OPMODE_20MHZ;
2699                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2700                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2701                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2702                 }
2703                 break;
2704         case WIRELESS_MODE_N_24G:
2705                 /* It support CCK rate by default. CCK rate will be filtered
2706                  * out only when associated AP does not support it.
2707                  */
2708                 regBwOpMode = BW_OPMODE_20MHZ;
2709                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2710                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2711                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2712                 break;
2713         case WIRELESS_MODE_N_5G:
2714                 regBwOpMode = BW_OPMODE_5G;
2715                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2716                           RATE_ALL_OFDM_2SS;
2717                 regRRSR = RATE_ALL_OFDM_AG;
2718                 break;
2719         }
2720
2721         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2722         ratr_value = regRATR;
2723         if (priv->rf_type == RF_1T2R)
2724                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2725         write_nic_dword(dev, RATR0, ratr_value);
2726         write_nic_byte(dev, UFWP, 1);
2727         read_nic_byte(dev, 0x313, &regTmp);
2728         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2729         write_nic_dword(dev, RRSR, regRRSR);
2730
2731         /* Set Retry Limit here */
2732         write_nic_word(dev, RETRY_LIMIT,
2733                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2734                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2735         /* Set Contention Window here */
2736
2737         /* Set Tx AGC */
2738
2739         /* Set Tx Antenna including Feedback control */
2740
2741         /* Set Auto Rate fallback control */
2742
2743
2744 }
2745
2746
2747 /* InitializeAdapter and PhyCfg */
2748 static bool rtl8192_adapter_start(struct net_device *dev)
2749 {
2750         struct r8192_priv *priv = ieee80211_priv(dev);
2751         u32 dwRegRead = 0;
2752         bool init_status = true;
2753         u8 SECR_value = 0x0;
2754         u8 tmp;
2755
2756         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2757         priv->Rf_Mode = RF_OP_By_SW_3wire;
2758         /* for ASIC power on sequence */
2759         write_nic_byte_E(dev, 0x5f, 0x80);
2760         mdelay(50);
2761         write_nic_byte_E(dev, 0x5f, 0xf0);
2762         write_nic_byte_E(dev, 0x5d, 0x00);
2763         write_nic_byte_E(dev, 0x5e, 0x80);
2764         write_nic_byte(dev, 0x17, 0x37);
2765         mdelay(10);
2766         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2767         /* config CPUReset Register */
2768         /* Firmware Reset or not? */
2769         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2770         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2771                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2772         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2773                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2774         else
2775                 RT_TRACE(COMP_ERR,
2776                          "ERROR in %s(): undefined firmware state(%d)\n",
2777                          __func__,   priv->pFirmware->firmware_status);
2778
2779         write_nic_dword(dev, CPU_GEN, dwRegRead);
2780         /* config BB. */
2781         rtl8192_BBConfig(dev);
2782
2783         /* Loopback mode or not */
2784         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2785
2786         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2787         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2788                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2789                             CPU_GEN_NO_LOOPBACK_SET;
2790         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2791                 dwRegRead |= CPU_CCK_LOOPBACK;
2792         else
2793                 RT_TRACE(COMP_ERR,
2794                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2795                          __func__,  priv->LoopbackMode);
2796
2797         write_nic_dword(dev, CPU_GEN, dwRegRead);
2798
2799         /* after reset cpu, we need wait for a seconds to write in register. */
2800         udelay(500);
2801
2802         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2803         read_nic_byte_E(dev, 0x5f, &tmp);
2804         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2805
2806         /* Set Hardware */
2807         rtl8192_hwconfig(dev);
2808
2809         /* turn on Tx/Rx */
2810         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2811
2812         /* set IDR0 here */
2813         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2814         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2815
2816         /* set RCR */
2817         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2818
2819         /* Initialize Number of Reserved Pages in Firmware Queue */
2820         write_nic_dword(dev, RQPN1,
2821                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2822                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2823                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2824                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2825         write_nic_dword(dev, RQPN2,
2826                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2827                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2828         write_nic_dword(dev, RQPN3,
2829                 APPLIED_RESERVED_QUEUE_IN_FW |
2830                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2831         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2832
2833         /* Set AckTimeout */
2834         /* TODO: (it value is only for FPGA version). need to be changed!! */
2835         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2836
2837         if (priv->ResetProgress == RESET_TYPE_NORESET)
2838                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2839         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2840                 CamResetAllEntry(dev);
2841                 SECR_value |= SCR_TxEncEnable;
2842                 SECR_value |= SCR_RxDecEnable;
2843                 SECR_value |= SCR_NoSKMC;
2844                 write_nic_byte(dev, SECR, SECR_value);
2845         }
2846
2847         /* Beacon related */
2848         write_nic_word(dev, ATIMWND, 2);
2849         write_nic_word(dev, BCN_INTERVAL, 100);
2850
2851 #define DEFAULT_EDCA 0x005e4332
2852         {
2853                 int i;
2854
2855                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2856                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2857         }
2858
2859         rtl8192_phy_configmac(dev);
2860
2861         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2862                 rtl8192_phy_getTxPower(dev);
2863                 rtl8192_phy_setTxPower(dev, priv->chan);
2864         }
2865
2866         /* Firmware download */
2867         init_status = init_firmware(dev);
2868         if (!init_status) {
2869                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2870                          __func__);
2871                 return init_status;
2872         }
2873         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2874
2875 #ifdef TO_DO_LIST
2876         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2877                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2878                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2879                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2880                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2881                         /* Those actions will be discard in MgntActSet_RF_State
2882                          * because of the same state
2883                          */
2884                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2885                                 PHY_SetRFReg(Adapter,
2886                                              (RF90_RADIO_PATH_E)eRFPath,
2887                                              0x4, 0xC00, 0x0);
2888                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2889                         /* H/W or S/W RF OFF before sleep. */
2890                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2891                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2892                                   pMgntInfo->RfOffReason));
2893                         MgntActSet_RF_State(Adapter,
2894                                             eRfOff,
2895                                             pMgntInfo->RfOffReason);
2896                 } else {
2897                         pHalData->eRFPowerState = eRfOn;
2898                         pMgntInfo->RfOffReason = 0;
2899                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2900                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2901                 }
2902         } else {
2903                 if (pHalData->eRFPowerState == eRfOff) {
2904                         MgntActSet_RF_State(Adapter,
2905                                             eRfOff,
2906                                             pMgntInfo->RfOffReason);
2907                         /* Those actions will be discard in MgntActSet_RF_State
2908                          * because of the same state
2909                          */
2910                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2911                                 PHY_SetRFReg(Adapter,
2912                                              (RF90_RADIO_PATH_E)eRFPath,
2913                                              0x4, 0xC00, 0x0);
2914                 }
2915         }
2916 #endif
2917         /* config RF. */
2918         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2919                 rtl8192_phy_RFConfig(dev);
2920                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2921         }
2922
2923
2924         if (priv->ieee80211->FwRWRF)
2925                 /* We can force firmware to do RF-R/W */
2926                 priv->Rf_Mode = RF_OP_By_FW;
2927         else
2928                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2929
2930
2931         rtl8192_phy_updateInitGain(dev);
2932         /*--set CCK and OFDM Block "ON"--*/
2933         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2934         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2935
2936         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2937                 /* if D or C cut */
2938                 u8 tmpvalue;
2939
2940                 read_nic_byte(dev, 0x301, &tmpvalue);
2941                 if (tmpvalue == 0x03) {
2942                         priv->bDcut = true;
2943                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2944                 } else {
2945                         priv->bDcut = false;
2946                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
2947                 }
2948                 dm_initialize_txpower_tracking(dev);
2949
2950                 if (priv->bDcut) {
2951                         u32 i, TempCCk;
2952                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
2953                                                          rOFDM0_XATxIQImbalance,
2954                                                          bMaskDWord);
2955
2956                         for (i = 0; i < TxBBGainTableLength; i++) {
2957                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
2958                                         priv->rfa_txpowertrackingindex = (u8)i;
2959                                         priv->rfa_txpowertrackingindex_real =
2960                                                 (u8)i;
2961                                         priv->rfa_txpowertracking_default =
2962                                                 priv->rfa_txpowertrackingindex;
2963                                         break;
2964                                 }
2965                         }
2966
2967                         TempCCk = rtl8192_QueryBBReg(dev,
2968                                                      rCCK0_TxFilter1,
2969                                                      bMaskByte2);
2970
2971                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
2972
2973                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
2974                                         priv->cck_present_attentuation_20Mdefault = (u8)i;
2975                                         break;
2976                                 }
2977                         }
2978                         priv->cck_present_attentuation_40Mdefault = 0;
2979                         priv->cck_present_attentuation_difference = 0;
2980                         priv->cck_present_attentuation =
2981                                 priv->cck_present_attentuation_20Mdefault;
2982
2983                 }
2984         }
2985         write_nic_byte(dev, 0x87, 0x0);
2986
2987
2988         return init_status;
2989 }
2990
2991 /* this configures registers for beacon tx and enables it via
2992  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
2993  * be used to stop beacon transmission
2994  */
2995 /***************************************************************************
2996     -------------------------------NET STUFF---------------------------
2997 ***************************************************************************/
2998
2999 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3000 {
3001         struct r8192_priv *priv = ieee80211_priv(dev);
3002
3003         return &priv->ieee80211->stats;
3004 }
3005
3006 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3007 {
3008         struct r8192_priv *priv = ieee80211_priv(dev);
3009         u16             RegTxCounter;
3010         bool            bStuck = false;
3011
3012         read_nic_word(dev, 0x128, &RegTxCounter);
3013         RT_TRACE(COMP_RESET,
3014                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3015                  RegTxCounter, priv->TxCounter);
3016         if (priv->TxCounter == RegTxCounter)
3017                 bStuck = true;
3018
3019         priv->TxCounter = RegTxCounter;
3020
3021         return bStuck;
3022 }
3023
3024 /*
3025 *       <Assumption: RT_TX_SPINLOCK is acquired.>
3026 *       First added: 2006.11.19 by emily
3027 */
3028 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3029 {
3030         struct r8192_priv *priv = ieee80211_priv(dev);
3031         u8                      QueueID;
3032         bool                    bCheckFwTxCnt = false;
3033
3034         /* Decide such threshold according to current power save mode */
3035
3036         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3037                 if (QueueID == TXCMD_QUEUE)
3038                         continue;
3039                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3040                         continue;
3041
3042                 bCheckFwTxCnt = true;
3043         }
3044         if (bCheckFwTxCnt) {
3045                 if (HalTxCheckStuck819xUsb(dev)) {
3046                         RT_TRACE(COMP_RESET,
3047                                  "TxCheckStuck(): Fw indicates no Tx condition!\n");
3048                         return RESET_TYPE_SILENT;
3049                 }
3050         }
3051         return RESET_TYPE_NORESET;
3052 }
3053
3054 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3055 {
3056         u16     RegRxCounter;
3057         struct r8192_priv *priv = ieee80211_priv(dev);
3058         bool bStuck = false;
3059         static u8       rx_chk_cnt;
3060
3061         read_nic_word(dev, 0x130, &RegRxCounter);
3062         RT_TRACE(COMP_RESET,
3063                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3064                  RegRxCounter, priv->RxCounter);
3065         /* If rssi is small, we should check rx for long time because of bad rx.
3066          * or maybe it will continuous silent reset every 2 seconds.
3067          */
3068         rx_chk_cnt++;
3069         if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3070                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3071         } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3072                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3073                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3074                 if (rx_chk_cnt < 2)
3075                         return bStuck;
3076
3077                 rx_chk_cnt = 0;
3078         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3079                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3080                      priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3081                 if (rx_chk_cnt < 4)
3082                         return bStuck;
3083
3084                 rx_chk_cnt = 0;
3085         } else {
3086                 if (rx_chk_cnt < 8)
3087                         return bStuck;
3088
3089                 rx_chk_cnt = 0;
3090         }
3091
3092         if (priv->RxCounter == RegRxCounter)
3093                 bStuck = true;
3094
3095         priv->RxCounter = RegRxCounter;
3096
3097         return bStuck;
3098 }
3099
3100 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3101 {
3102         struct r8192_priv *priv = ieee80211_priv(dev);
3103         bool        bRxCheck = false;
3104
3105         if (priv->IrpPendingCount > 1)
3106                 bRxCheck = true;
3107
3108         if (bRxCheck) {
3109                 if (HalRxCheckStuck819xUsb(dev)) {
3110                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3111                         return RESET_TYPE_SILENT;
3112                 }
3113         }
3114         return RESET_TYPE_NORESET;
3115 }
3116
3117
3118 /**
3119  * This function is called by Checkforhang to check whether we should
3120  * ask OS to reset driver
3121  *
3122  * \param pAdapter      The adapter context for this miniport
3123  *
3124  * Note:NIC with USB interface sholud not call this function because we
3125  * cannot scan descriptor to judge whether there is tx stuck.
3126  * Note: This function may be required to be rewrite for Vista OS.
3127  * <<<Assumption: Tx spinlock has been acquired >>>
3128  *
3129  * 8185 and 8185b does not implement this function.
3130  */
3131 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3132 {
3133         struct r8192_priv *priv = ieee80211_priv(dev);
3134         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3135         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3136         RT_RF_POWER_STATE       rfState;
3137
3138         rfState = priv->ieee80211->eRFPowerState;
3139
3140         TxResetType = TxCheckStuck(dev);
3141         if (rfState != eRfOff ||
3142             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3143                 /* If driver is in the status of firmware download failure,
3144                  * driver skips RF initialization and RF is in turned off
3145                  * state. Driver should check whether Rx stuck and do silent
3146                  * reset. And if driver is in firmware download failure status,
3147                  * driver should initialize RF in the following silent reset
3148                  * procedure
3149                  *
3150                  * Driver should not check RX stuck in IBSS mode because it is
3151                  * required to set Check BSSID in order to send beacon,
3152                  * however, if check BSSID is set, STA cannot hear any packet
3153                  * at all.
3154                  */
3155                 RxResetType = RxCheckStuck(dev);
3156         }
3157         if (TxResetType == RESET_TYPE_NORMAL ||
3158             RxResetType == RESET_TYPE_NORMAL) {
3159                 return RESET_TYPE_NORMAL;
3160         } else if (TxResetType == RESET_TYPE_SILENT ||
3161                    RxResetType == RESET_TYPE_SILENT) {
3162                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3163                 return RESET_TYPE_SILENT;
3164         } else {
3165                 return RESET_TYPE_NORESET;
3166         }
3167
3168 }
3169
3170 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3171 static int _rtl8192_up(struct net_device *dev);
3172 static int rtl8192_close(struct net_device *dev);
3173
3174
3175
3176 static void CamRestoreAllEntry(struct net_device *dev)
3177 {
3178         u8 EntryId = 0;
3179         struct r8192_priv *priv = ieee80211_priv(dev);
3180         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3181
3182         static u8       CAM_CONST_ADDR[4][6] = {
3183                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3184                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3185                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3186                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3187         static u8       CAM_CONST_BROAD[] = {
3188                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3189
3190         RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n");
3191
3192
3193         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3194             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3195
3196                 for (EntryId = 0; EntryId < 4; EntryId++) {
3197                         MacAddr = CAM_CONST_ADDR[EntryId];
3198                         setKey(dev, EntryId, EntryId,
3199                                priv->ieee80211->pairwise_key_type,
3200                                MacAddr, 0, NULL);
3201                 }
3202
3203         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3204
3205                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3206                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3207                                (u8 *)dev->dev_addr, 0, NULL);
3208                 else
3209                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3210                                MacAddr, 0, NULL);
3211         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3212
3213                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3214                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3215                                (u8 *)dev->dev_addr, 0, NULL);
3216                 else
3217                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3218                                MacAddr, 0, NULL);
3219         }
3220
3221
3222
3223         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3224                 MacAddr = CAM_CONST_BROAD;
3225                 for (EntryId = 1; EntryId < 4; EntryId++) {
3226                         setKey(dev, EntryId, EntryId,
3227                                priv->ieee80211->group_key_type,
3228                                MacAddr, 0, NULL);
3229                 }
3230                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3231                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3232                                CAM_CONST_ADDR[0], 0, NULL);
3233         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3234                 MacAddr = CAM_CONST_BROAD;
3235                 for (EntryId = 1; EntryId < 4; EntryId++) {
3236                         setKey(dev, EntryId, EntryId,
3237                                priv->ieee80211->group_key_type,
3238                                MacAddr, 0, NULL);
3239                 }
3240
3241                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3242                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3243                                CAM_CONST_ADDR[0], 0, NULL);
3244         }
3245 }
3246 /* This function is used to fix Tx/Rx stop bug temporarily.
3247  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3248  * The method checking Tx/Rx stuck of this function is supported by FW,
3249  * which reports Tx and Rx counter to register 0x128 and 0x130.
3250  */
3251 static void rtl819x_ifsilentreset(struct net_device *dev)
3252 {
3253         struct r8192_priv *priv = ieee80211_priv(dev);
3254         u8      reset_times = 0;
3255         int reset_status = 0;
3256         struct ieee80211_device *ieee = priv->ieee80211;
3257
3258
3259         /* If we need to check CCK stop, please uncomment this line. */
3260         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3261
3262         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3263 RESET_START:
3264
3265                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3266
3267                 /* Set the variable for reset. */
3268                 priv->ResetProgress = RESET_TYPE_SILENT;
3269                 down(&priv->wx_sem);
3270                 if (priv->up == 0) {
3271                         RT_TRACE(COMP_ERR,
3272                                  "%s():the driver is not up! return\n",
3273                                  __func__);
3274                         up(&priv->wx_sem);
3275                         return;
3276                 }
3277                 priv->up = 0;
3278                 RT_TRACE(COMP_RESET,
3279                          "%s():======>start to down the driver\n",
3280                          __func__);
3281
3282                 rtl8192_rtx_disable(dev);
3283                 rtl8192_cancel_deferred_work(priv);
3284                 deinit_hal_dm(dev);
3285                 del_timer_sync(&priv->watch_dog_timer);
3286
3287                 ieee->sync_scan_hurryup = 1;
3288                 if (ieee->state == IEEE80211_LINKED) {
3289                         down(&ieee->wx_sem);
3290                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3291                         ieee80211_stop_send_beacons(priv->ieee80211);
3292                         del_timer_sync(&ieee->associate_timer);
3293                         cancel_delayed_work(&ieee->associate_retry_wq);
3294                         ieee80211_stop_scan(ieee);
3295                         netif_carrier_off(dev);
3296                         up(&ieee->wx_sem);
3297                 } else {
3298                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3299                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3300                 }
3301                 up(&priv->wx_sem);
3302                 RT_TRACE(COMP_RESET,
3303                          "%s():<==========down process is finished\n",
3304                          __func__);
3305                 RT_TRACE(COMP_RESET,
3306                          "%s():===========>start up the driver\n",
3307                          __func__);
3308                 reset_status = _rtl8192_up(dev);
3309
3310                 RT_TRACE(COMP_RESET,
3311                          "%s():<===========up process is finished\n",
3312                          __func__);
3313                 if (reset_status == -EAGAIN) {
3314                         if (reset_times < 3) {
3315                                 reset_times++;
3316                                 goto RESET_START;
3317                         } else {
3318                                 RT_TRACE(COMP_ERR,
3319                                          " ERR!!! %s():  Reset Failed!!\n",
3320                                          __func__);
3321                         }
3322                 }
3323                 ieee->is_silent_reset = 1;
3324                 EnableHWSecurityConfig8192(dev);
3325                 if (ieee->state == IEEE80211_LINKED &&
3326                     ieee->iw_mode == IW_MODE_INFRA) {
3327                         ieee->set_chan(ieee->dev,
3328                                        ieee->current_network.channel);
3329
3330                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3331
3332                 } else if (ieee->state == IEEE80211_LINKED &&
3333                            ieee->iw_mode == IW_MODE_ADHOC) {
3334                         ieee->set_chan(ieee->dev,
3335                                        ieee->current_network.channel);
3336                         ieee->link_change(ieee->dev);
3337
3338                         ieee80211_start_send_beacons(ieee);
3339
3340                         if (ieee->data_hard_resume)
3341                                 ieee->data_hard_resume(ieee->dev);
3342                         netif_carrier_on(ieee->dev);
3343                 }
3344
3345                 CamRestoreAllEntry(dev);
3346
3347                 priv->ResetProgress = RESET_TYPE_NORESET;
3348                 priv->reset_count++;
3349
3350                 priv->bForcedSilentReset = false;
3351                 priv->bResetInProgress = false;
3352
3353                 /* For test --> force write UFWP. */
3354                 write_nic_byte(dev, UFWP, 1);
3355                 RT_TRACE(COMP_RESET,
3356                          "Reset finished!! ====>[%d]\n",
3357                          priv->reset_count);
3358         }
3359 }
3360
3361 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3362                              u32 *TotalRxDataNum)
3363 {
3364         u16                     SlotIndex;
3365         u8                      i;
3366
3367         *TotalRxBcnNum = 0;
3368         *TotalRxDataNum = 0;
3369
3370         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3371                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3372         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3373                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3374         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3375                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3376         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3377                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3378                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3379         }
3380 }
3381
3382
3383 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3384 {
3385         struct delayed_work *dwork = container_of(work,
3386                                                   struct delayed_work, work);
3387         struct r8192_priv *priv = container_of(dwork,
3388                                                struct r8192_priv, watch_dog_wq);
3389         struct net_device *dev = priv->ieee80211->dev;
3390         struct ieee80211_device *ieee = priv->ieee80211;
3391         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3392         static u8       check_reset_cnt;
3393         bool bBusyTraffic = false;
3394         u32     TotalRxBcnNum = 0;
3395         u32     TotalRxDataNum = 0;
3396
3397         if (!priv->up)
3398                 return;
3399         hal_dm_watchdog(dev);
3400
3401         /* to get busy traffic condition */
3402         if (ieee->state == IEEE80211_LINKED) {
3403                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3404                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3405                         bBusyTraffic = true;
3406                 }
3407                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3408                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3409                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3410         }
3411         /* for AP roaming */
3412         if (priv->ieee80211->state == IEEE80211_LINKED &&
3413             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3414
3415                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3416                 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3417 #ifdef TODO
3418                         if (rfState == eRfOff)
3419                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3420 #endif
3421                         netdev_dbg(dev,
3422                                    "===>%s(): AP is power off, connect another one\n",
3423                                    __func__);
3424                         priv->ieee80211->state = IEEE80211_ASSOCIATING;
3425                         notify_wx_assoc_event(priv->ieee80211);
3426                         RemovePeerTS(priv->ieee80211,
3427                                      priv->ieee80211->current_network.bssid);
3428                         priv->ieee80211->link_change(dev);
3429                         queue_work(priv->ieee80211->wq,
3430                                    &priv->ieee80211->associate_procedure_wq);
3431
3432                 }
3433         }
3434         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3435         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3436         /* check if reset the driver */
3437         if (check_reset_cnt++ >= 3) {
3438                 ResetType = rtl819x_ifcheck_resetornot(dev);
3439                 check_reset_cnt = 3;
3440         }
3441         /* This is control by OID set in Pomelo */
3442         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3443             (priv->bForcedSilentReset ||
3444             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3445                 RT_TRACE(COMP_RESET,
3446                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3447                          __func__, priv->force_reset, priv->ResetProgress,
3448                          priv->bForcedSilentReset,
3449                          priv->bDisableNormalResetCheck, ResetType);
3450                 rtl819x_ifsilentreset(dev);
3451         }
3452         priv->force_reset = false;
3453         priv->bForcedSilentReset = false;
3454         priv->bResetInProgress = false;
3455         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3456
3457 }
3458
3459 static void watch_dog_timer_callback(unsigned long data)
3460 {
3461         struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3462
3463         queue_delayed_work(priv->priv_wq, &priv->watch_dog_wq, 0);
3464         mod_timer(&priv->watch_dog_timer,
3465                   jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
3466 }
3467 static int _rtl8192_up(struct net_device *dev)
3468 {
3469         struct r8192_priv *priv = ieee80211_priv(dev);
3470         int init_status = 0;
3471
3472         priv->up = 1;
3473         priv->ieee80211->ieee_up = 1;
3474         RT_TRACE(COMP_INIT, "Bringing up iface");
3475         init_status = rtl8192_adapter_start(dev);
3476         if (!init_status) {
3477                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3478                          __func__);
3479                 priv->up = priv->ieee80211->ieee_up = 0;
3480                 return -EAGAIN;
3481         }
3482         RT_TRACE(COMP_INIT, "start adapter finished\n");
3483         rtl8192_rx_enable(dev);
3484         if (priv->ieee80211->state != IEEE80211_LINKED)
3485                 ieee80211_softmac_start_protocol(priv->ieee80211);
3486         ieee80211_reset_queue(priv->ieee80211);
3487         watch_dog_timer_callback((unsigned long)dev);
3488         if (!netif_queue_stopped(dev))
3489                 netif_start_queue(dev);
3490         else
3491                 netif_wake_queue(dev);
3492
3493         return 0;
3494 }
3495
3496
3497 static int rtl8192_open(struct net_device *dev)
3498 {
3499         struct r8192_priv *priv = ieee80211_priv(dev);
3500         int ret;
3501
3502         down(&priv->wx_sem);
3503         ret = rtl8192_up(dev);
3504         up(&priv->wx_sem);
3505         return ret;
3506
3507 }
3508
3509
3510 int rtl8192_up(struct net_device *dev)
3511 {
3512         struct r8192_priv *priv = ieee80211_priv(dev);
3513
3514         if (priv->up == 1)
3515                 return -1;
3516
3517         return _rtl8192_up(dev);
3518 }
3519
3520
3521 static int rtl8192_close(struct net_device *dev)
3522 {
3523         struct r8192_priv *priv = ieee80211_priv(dev);
3524         int ret;
3525
3526         down(&priv->wx_sem);
3527
3528         ret = rtl8192_down(dev);
3529
3530         up(&priv->wx_sem);
3531
3532         return ret;
3533
3534 }
3535
3536 int rtl8192_down(struct net_device *dev)
3537 {
3538         struct r8192_priv *priv = ieee80211_priv(dev);
3539         int i;
3540
3541         if (priv->up == 0)
3542                 return -1;
3543
3544         priv->up = 0;
3545         priv->ieee80211->ieee_up = 0;
3546         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3547         /* FIXME */
3548         if (!netif_queue_stopped(dev))
3549                 netif_stop_queue(dev);
3550
3551         rtl8192_rtx_disable(dev);
3552
3553         /* Tx related queue release */
3554         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3555                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3556         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3557                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3558
3559         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3560                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3561
3562         /* as cancel_delayed_work will del work->timer, so if work is not
3563          * defined as struct delayed_work, it will corrupt
3564          */
3565         rtl8192_cancel_deferred_work(priv);
3566         deinit_hal_dm(dev);
3567         del_timer_sync(&priv->watch_dog_timer);
3568
3569
3570         ieee80211_softmac_stop_protocol(priv->ieee80211);
3571         memset(&priv->ieee80211->current_network, 0,
3572                offsetof(struct ieee80211_network, list));
3573         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3574
3575         return 0;
3576 }
3577
3578
3579 void rtl8192_commit(struct net_device *dev)
3580 {
3581         struct r8192_priv *priv = ieee80211_priv(dev);
3582         int reset_status = 0;
3583
3584         if (priv->up == 0)
3585                 return;
3586         priv->up = 0;
3587
3588         rtl8192_cancel_deferred_work(priv);
3589         del_timer_sync(&priv->watch_dog_timer);
3590
3591         ieee80211_softmac_stop_protocol(priv->ieee80211);
3592
3593         rtl8192_rtx_disable(dev);
3594         reset_status = _rtl8192_up(dev);
3595
3596 }
3597
3598 static void rtl8192_restart(struct work_struct *work)
3599 {
3600         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3601                                                reset_wq);
3602         struct net_device *dev = priv->ieee80211->dev;
3603
3604         down(&priv->wx_sem);
3605
3606         rtl8192_commit(dev);
3607
3608         up(&priv->wx_sem);
3609 }
3610
3611 static void r8192_set_multicast(struct net_device *dev)
3612 {
3613         struct r8192_priv *priv = ieee80211_priv(dev);
3614         short promisc;
3615
3616         /* FIXME FIXME */
3617
3618         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3619
3620         if (promisc != priv->promisc)
3621
3622                 priv->promisc = promisc;
3623 }
3624
3625
3626 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3627 {
3628         struct r8192_priv *priv = ieee80211_priv(dev);
3629         struct sockaddr *addr = mac;
3630
3631         down(&priv->wx_sem);
3632
3633         ether_addr_copy(dev->dev_addr, addr->sa_data);
3634
3635         schedule_work(&priv->reset_wq);
3636         up(&priv->wx_sem);
3637
3638         return 0;
3639 }
3640
3641 /* based on ipw2200 driver */
3642 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3643 {
3644         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3645         struct iwreq *wrq = (struct iwreq *)rq;
3646         int ret = -1;
3647         struct ieee80211_device *ieee = priv->ieee80211;
3648         u32 key[4];
3649         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3650         struct iw_point *p = &wrq->u.data;
3651         struct ieee_param *ipw = NULL;
3652
3653         down(&priv->wx_sem);
3654
3655
3656         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3657                 ret = -EINVAL;
3658                 goto out;
3659         }
3660
3661         ipw = memdup_user(p->pointer, p->length);
3662         if (IS_ERR(ipw)) {
3663                 ret = PTR_ERR(ipw);
3664                 goto out;
3665         }
3666
3667         switch (cmd) {
3668         case RTL_IOCTL_WPA_SUPPLICANT:
3669                 /* parse here for HW security */
3670                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3671                         if (ipw->u.crypt.set_tx) {
3672                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3673                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3674                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3675                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3676                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3677                                         if (ipw->u.crypt.key_len == 13)
3678                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3679                                         else if (ipw->u.crypt.key_len == 5)
3680                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3681                                 } else {
3682                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3683                                 }
3684
3685                                 if (ieee->pairwise_key_type) {
3686                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3687                                         EnableHWSecurityConfig8192(dev);
3688                                         /* We fill both index entry and 4th
3689                                          * entry for pairwise key as in IPW
3690                                          * interface, adhoc will only get here,
3691                                          * so we need index entry for its
3692                                          * default key serching!
3693                                          */
3694                                         setKey(dev, 4, ipw->u.crypt.idx,
3695                                                ieee->pairwise_key_type,
3696                                                (u8 *)ieee->ap_mac_addr,
3697                                                0, key);
3698                                         if (ieee->auth_mode != 2)
3699                                                 setKey(dev, ipw->u.crypt.idx,
3700                                                        ipw->u.crypt.idx,
3701                                                        ieee->pairwise_key_type,
3702                                                        (u8 *)ieee->ap_mac_addr,
3703                                                        0, key);
3704                                 }
3705                         } else {
3706                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3707                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3708                                         ieee->group_key_type = KEY_TYPE_CCMP;
3709                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3710                                         ieee->group_key_type = KEY_TYPE_TKIP;
3711                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3712                                         if (ipw->u.crypt.key_len == 13)
3713                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3714                                         else if (ipw->u.crypt.key_len == 5)
3715                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3716                                 } else {
3717                                         ieee->group_key_type = KEY_TYPE_NA;
3718                                 }
3719
3720                                 if (ieee->group_key_type) {
3721                                         setKey(dev, ipw->u.crypt.idx,
3722                                                /* KeyIndex */
3723                                                ipw->u.crypt.idx,
3724                                                /* KeyType */
3725                                                ieee->group_key_type,
3726                                                /* MacAddr */
3727                                                broadcast_addr,
3728                                                /* DefaultKey */
3729                                                0,
3730                                                /* KeyContent */
3731                                                key);
3732                                 }
3733                         }
3734                 }
3735                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3736                                                      &wrq->u.data);
3737                 break;
3738
3739         default:
3740                 ret = -EOPNOTSUPP;
3741                 break;
3742         }
3743         kfree(ipw);
3744         ipw = NULL;
3745 out:
3746         up(&priv->wx_sem);
3747         return ret;
3748 }
3749
3750 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3751 {
3752         u8  ret_rate = 0xff;
3753
3754         if (!bIsHT) {
3755                 switch (rate) {
3756                 case DESC90_RATE1M:
3757                         ret_rate = MGN_1M;
3758                         break;
3759                 case DESC90_RATE2M:
3760                         ret_rate = MGN_2M;
3761                         break;
3762                 case DESC90_RATE5_5M:
3763                         ret_rate = MGN_5_5M;
3764                         break;
3765                 case DESC90_RATE11M:
3766                         ret_rate = MGN_11M;
3767                         break;
3768                 case DESC90_RATE6M:
3769                         ret_rate = MGN_6M;
3770                         break;
3771                 case DESC90_RATE9M:
3772                         ret_rate = MGN_9M;
3773                         break;
3774                 case DESC90_RATE12M:
3775                         ret_rate = MGN_12M;
3776                         break;
3777                 case DESC90_RATE18M:
3778                         ret_rate = MGN_18M;
3779                         break;
3780                 case DESC90_RATE24M:
3781                         ret_rate = MGN_24M;
3782                         break;
3783                 case DESC90_RATE36M:
3784                         ret_rate = MGN_36M;
3785                         break;
3786                 case DESC90_RATE48M:
3787                         ret_rate = MGN_48M;
3788                         break;
3789                 case DESC90_RATE54M:
3790                         ret_rate = MGN_54M;
3791                         break;
3792
3793                 default:
3794                         ret_rate = 0xff;
3795                         RT_TRACE(COMP_RECV,
3796                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3797                                  rate, bIsHT);
3798                         break;
3799                 }
3800
3801         } else {
3802                 switch (rate) {
3803                 case DESC90_RATEMCS0:
3804                         ret_rate = MGN_MCS0;
3805                         break;
3806                 case DESC90_RATEMCS1:
3807                         ret_rate = MGN_MCS1;
3808                         break;
3809                 case DESC90_RATEMCS2:
3810                         ret_rate = MGN_MCS2;
3811                         break;
3812                 case DESC90_RATEMCS3:
3813                         ret_rate = MGN_MCS3;
3814                         break;
3815                 case DESC90_RATEMCS4:
3816                         ret_rate = MGN_MCS4;
3817                         break;
3818                 case DESC90_RATEMCS5:
3819                         ret_rate = MGN_MCS5;
3820                         break;
3821                 case DESC90_RATEMCS6:
3822                         ret_rate = MGN_MCS6;
3823                         break;
3824                 case DESC90_RATEMCS7:
3825                         ret_rate = MGN_MCS7;
3826                         break;
3827                 case DESC90_RATEMCS8:
3828                         ret_rate = MGN_MCS8;
3829                         break;
3830                 case DESC90_RATEMCS9:
3831                         ret_rate = MGN_MCS9;
3832                         break;
3833                 case DESC90_RATEMCS10:
3834                         ret_rate = MGN_MCS10;
3835                         break;
3836                 case DESC90_RATEMCS11:
3837                         ret_rate = MGN_MCS11;
3838                         break;
3839                 case DESC90_RATEMCS12:
3840                         ret_rate = MGN_MCS12;
3841                         break;
3842                 case DESC90_RATEMCS13:
3843                         ret_rate = MGN_MCS13;
3844                         break;
3845                 case DESC90_RATEMCS14:
3846                         ret_rate = MGN_MCS14;
3847                         break;
3848                 case DESC90_RATEMCS15:
3849                         ret_rate = MGN_MCS15;
3850                         break;
3851                 case DESC90_RATEMCS32:
3852                         ret_rate = 0x80 | 0x20;
3853                         break;
3854
3855                 default:
3856                         ret_rate = 0xff;
3857                         RT_TRACE(COMP_RECV,
3858                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3859                                  rate, bIsHT);
3860                         break;
3861                 }
3862         }
3863
3864         return ret_rate;
3865 }
3866
3867 /**
3868  * Function:     UpdateRxPktTimeStamp
3869  * Overview:     Record the TSF time stamp when receiving a packet
3870  *
3871  * Input:
3872  *       PADAPTER        Adapter
3873  *       PRT_RFD         pRfd,
3874  *
3875  * Output:
3876  *       PRT_RFD         pRfd
3877  *                               (pRfd->Status.TimeStampHigh is updated)
3878  *                               (pRfd->Status.TimeStampLow is updated)
3879  * Return:
3880  *               None
3881  */
3882 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3883                                      struct ieee80211_rx_stats *stats)
3884 {
3885         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3886
3887         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3888                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3889                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3890         } else {
3891                 priv->LastRxDescTSFLow = stats->mac_time[0];
3892                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3893         }
3894 }
3895
3896 /* 0-100 index. */
3897 static long rtl819x_translate_todbm(u8 signal_strength_index)
3898 {
3899         long    signal_power; /* in dBm. */
3900
3901         /* Translate to dBm (x=0.5y-95). */
3902         signal_power = (long)((signal_strength_index + 1) >> 1);
3903         signal_power -= 95;
3904
3905         return signal_power;
3906 }
3907
3908
3909 /* We can not declare RSSI/EVM total value of sliding window to
3910  * be a local static. Otherwise, it may increase when we return from S3/S4. The
3911  * value will be kept in memory or disk. Declare the value in the adaptor
3912  * and it will be reinitialized when returned from S3/S4.
3913  */
3914 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3915                                     struct ieee80211_rx_stats *pprevious_stats,
3916                                     struct ieee80211_rx_stats *pcurrent_stats)
3917 {
3918         bool bcheck = false;
3919         u8      rfpath;
3920         u32     nspatial_stream, tmp_val;
3921         static u32 slide_rssi_index, slide_rssi_statistics;
3922         static u32 slide_evm_index, slide_evm_statistics;
3923         static u32 last_rssi, last_evm;
3924
3925         static u32 slide_beacon_adc_pwdb_index;
3926         static u32 slide_beacon_adc_pwdb_statistics;
3927         static u32 last_beacon_adc_pwdb;
3928
3929         struct rtl_80211_hdr_3addr *hdr;
3930         u16 sc;
3931         unsigned int frag, seq;
3932
3933         hdr = (struct rtl_80211_hdr_3addr *)buffer;
3934         sc = le16_to_cpu(hdr->seq_ctl);
3935         frag = WLAN_GET_SEQ_FRAG(sc);
3936         seq = WLAN_GET_SEQ_SEQ(sc);
3937         /* to record the sequence number */
3938         pcurrent_stats->Seq_Num = seq;
3939
3940         /* Check whether we should take the previous packet into accounting */
3941         if (!pprevious_stats->bIsAMPDU) {
3942                 /* if previous packet is not aggregated packet */
3943                 bcheck = true;
3944         }
3945
3946         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3947                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3948                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3949                 priv->stats.slide_rssi_total -= last_rssi;
3950         }
3951         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3952
3953         priv->stats.slide_signal_strength[slide_rssi_index++] =
3954                 pprevious_stats->SignalStrength;
3955         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3956                 slide_rssi_index = 0;
3957
3958         /* <1> Showed on UI for user, in dbm */
3959         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
3960         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3961         pcurrent_stats->rssi = priv->stats.signal_strength;
3962
3963         /* If the previous packet does not match the criteria, neglect it */
3964         if (!pprevious_stats->bPacketMatchBSSID) {
3965                 if (!pprevious_stats->bToSelfBA)
3966                         return;
3967         }
3968
3969         if (!bcheck)
3970                 return;
3971
3972
3973         /* only rtl8190 supported
3974          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
3975          */
3976
3977         /* Check RSSI */
3978         priv->stats.num_process_phyinfo++;
3979
3980         /* record the general signal strength to the sliding window. */
3981
3982
3983         /* <2> Showed on UI for engineering
3984          * hardware does not provide rssi information for each rf path in CCK
3985          */
3986         if (!pprevious_stats->bIsCCK &&
3987             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
3988                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
3989                         if (!rtl8192_phy_CheckIsLegalRFPath(
3990                                         priv->ieee80211->dev, rfpath))
3991                                 continue;
3992
3993                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
3994                                 priv->stats.rx_rssi_percentage[rfpath] =
3995                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
3996                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
3997                                 priv->stats.rx_rssi_percentage[rfpath] =
3998                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
3999                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4000                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4001                         } else {
4002                                 priv->stats.rx_rssi_percentage[rfpath] =
4003                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4004                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4005                         }
4006                         RT_TRACE(COMP_DBG,
4007                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4008                                  priv->stats.rx_rssi_percentage[rfpath]);
4009                 }
4010         }
4011
4012
4013         /* Check PWDB. */
4014         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4015                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4016                  pprevious_stats->RxPWDBAll);
4017
4018         if (pprevious_stats->bPacketBeacon) {
4019                 /* record the beacon pwdb to the sliding window. */
4020                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4021                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4022                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4023                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4024                 }
4025                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4026                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4027                 slide_beacon_adc_pwdb_index++;
4028                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4029                         slide_beacon_adc_pwdb_index = 0;
4030                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4031                 if (pprevious_stats->RxPWDBAll >= 3)
4032                         pprevious_stats->RxPWDBAll -= 3;
4033         }
4034
4035         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4036                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4037                  pprevious_stats->RxPWDBAll);
4038
4039
4040         if (pprevious_stats->bPacketToSelf ||
4041             pprevious_stats->bPacketBeacon ||
4042             pprevious_stats->bToSelfBA) {
4043                 if (priv->undecorated_smoothed_pwdb < 0)
4044                         /* initialize */
4045                         priv->undecorated_smoothed_pwdb =
4046                                 pprevious_stats->RxPWDBAll;
4047                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4048                         priv->undecorated_smoothed_pwdb =
4049                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4050                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4051                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4052                 } else {
4053                         priv->undecorated_smoothed_pwdb =
4054                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4055                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4056                 }
4057
4058         }
4059
4060         /* Check EVM */
4061         /* record the general EVM to the sliding window. */
4062         if (pprevious_stats->SignalQuality) {
4063                 if (pprevious_stats->bPacketToSelf ||
4064                     pprevious_stats->bPacketBeacon ||
4065                     pprevious_stats->bToSelfBA) {
4066                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4067                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4068                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4069                                 priv->stats.slide_evm_total -= last_evm;
4070                         }
4071
4072                         priv->stats.slide_evm_total +=
4073                                 pprevious_stats->SignalQuality;
4074
4075                         priv->stats.slide_evm[slide_evm_index++] =
4076                                 pprevious_stats->SignalQuality;
4077                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4078                                 slide_evm_index = 0;
4079
4080                         /* <1> Showed on UI for user, in percentage. */
4081                         tmp_val = priv->stats.slide_evm_total /
4082                                   slide_evm_statistics;
4083                         priv->stats.signal_quality = tmp_val;
4084                         /* Showed on UI for user in Windows Vista,
4085                          * for Link quality.
4086                          */
4087                         priv->stats.last_signal_strength_inpercent = tmp_val;
4088                 }
4089
4090                 /* <2> Showed on UI for engineering */
4091                 if (pprevious_stats->bPacketToSelf ||
4092                     pprevious_stats->bPacketBeacon ||
4093                     pprevious_stats->bToSelfBA) {
4094                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4095                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4096                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4097                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4098                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4099                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4100                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4101                                 }
4102                         }
4103                 }
4104         }
4105
4106
4107 }
4108
4109 /*-----------------------------------------------------------------------------
4110  * Function:    rtl819x_query_rxpwrpercentage()
4111  *
4112  * Overview:
4113  *
4114  * Input:               char            antpower
4115  *
4116  * Output:              NONE
4117  *
4118  * Return:              0-100 percentage
4119  *---------------------------------------------------------------------------*/
4120 static u8 rtl819x_query_rxpwrpercentage(char antpower)
4121 {
4122         if ((antpower <= -100) || (antpower >= 20))
4123                 return  0;
4124         else if (antpower >= 0)
4125                 return  100;
4126         else
4127                 return  100 + antpower;
4128
4129 }       /* QueryRxPwrPercentage */
4130
4131 static u8 rtl819x_evm_dbtopercentage(char value)
4132 {
4133         char ret_val;
4134
4135         ret_val = value;
4136
4137         if (ret_val >= 0)
4138                 ret_val = 0;
4139         if (ret_val <= -33)
4140                 ret_val = -33;
4141         ret_val = 0 - ret_val;
4142         ret_val *= 3;
4143         if (ret_val == 99)
4144                 ret_val = 100;
4145         return ret_val;
4146 }
4147 /* We want good-looking for signal strength/quality */
4148 static long rtl819x_signal_scale_mapping(long currsig)
4149 {
4150         long retsig;
4151
4152         /* Step 1. Scale mapping. */
4153         if (currsig >= 61 && currsig <= 100)
4154                 retsig = 90 + ((currsig - 60) / 4);
4155         else if (currsig >= 41 && currsig <= 60)
4156                 retsig = 78 + ((currsig - 40) / 2);
4157         else if (currsig >= 31 && currsig <= 40)
4158                 retsig = 66 + (currsig - 30);
4159         else if (currsig >= 21 && currsig <= 30)
4160                 retsig = 54 + (currsig - 20);
4161         else if (currsig >= 5 && currsig <= 20)
4162                 retsig = 42 + (((currsig - 5) * 2) / 3);
4163         else if (currsig == 4)
4164                 retsig = 36;
4165         else if (currsig == 3)
4166                 retsig = 27;
4167         else if (currsig == 2)
4168                 retsig = 18;
4169         else if (currsig == 1)
4170                 retsig = 9;
4171         else
4172                 retsig = currsig;
4173
4174         return retsig;
4175 }
4176
4177 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4178 {
4179         if (pdrvinfo->RxHT)
4180                 return false;
4181
4182         switch (pdrvinfo->RxRate) {
4183         case DESC90_RATE1M:
4184         case DESC90_RATE2M:
4185         case DESC90_RATE5_5M:
4186         case DESC90_RATE11M:
4187                 return true;
4188         default:
4189                 return false;
4190         }
4191 }
4192
4193 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4194                                       struct ieee80211_rx_stats *pstats,
4195                                       rx_drvinfo_819x_usb  *pdrvinfo,
4196                                       struct ieee80211_rx_stats *precord_stats,
4197                                       bool bpacket_match_bssid,
4198                                       bool bpacket_toself,
4199                                       bool bPacketBeacon,
4200                                       bool bToSelfBA)
4201 {
4202         phy_sts_ofdm_819xusb_t *pofdm_buf;
4203         phy_sts_cck_819xusb_t   *pcck_buf;
4204         phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4205         u8      *prxpkt;
4206         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4207         char    rx_pwr[4], rx_pwr_all = 0;
4208         char    rx_snrX, rx_evmX;
4209         u8      evm, pwdb_all;
4210         u32     RSSI, total_rssi = 0;
4211         u8      is_cck_rate = 0;
4212         u8      rf_rx_num = 0;
4213         u8      sq;
4214
4215
4216         priv->stats.numqry_phystatus++;
4217
4218         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4219
4220         /* Record it for next packet processing */
4221         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4222         pstats->bPacketMatchBSSID =
4223                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4224         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4225         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4226         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4227         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4228
4229         prxpkt = (u8 *)pdrvinfo;
4230
4231         /* Move pointer to the 16th bytes. Phy status start address. */
4232         prxpkt += sizeof(rx_drvinfo_819x_usb);
4233
4234         /* Initial the cck and ofdm buffer pointer */
4235         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4236         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4237
4238         pstats->RxMIMOSignalQuality[0] = -1;
4239         pstats->RxMIMOSignalQuality[1] = -1;
4240         precord_stats->RxMIMOSignalQuality[0] = -1;
4241         precord_stats->RxMIMOSignalQuality[1] = -1;
4242
4243         if (is_cck_rate) {
4244                 /* (1)Hardware does not provide RSSI for CCK */
4245
4246                 /* (2)PWDB, Average PWDB cacluated by hardware
4247                  * (for rate adaptive)
4248                  */
4249                 u8 report;
4250
4251                 priv->stats.numqry_phystatusCCK++;
4252
4253                 if (!priv->bCckHighPower) {
4254                         report = pcck_buf->cck_agc_rpt & 0xc0;
4255                         report >>= 6;
4256                         switch (report) {
4257                         case 0x3:
4258                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4259                                 break;
4260                         case 0x2:
4261                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4262                                 break;
4263                         case 0x1:
4264                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4265                                 break;
4266                         case 0x0:
4267                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4268                                 break;
4269                         }
4270                 } else {
4271                         report = pcck_buf->cck_agc_rpt & 0x60;
4272                         report >>= 5;
4273                         switch (report) {
4274                         case 0x3:
4275                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4276                                 break;
4277                         case 0x2:
4278                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4279                                 break;
4280                         case 0x1:
4281                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4282                                 break;
4283                         case 0x0:
4284                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4285                                 break;
4286                         }
4287                 }
4288
4289                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4290                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4291                 pstats->RecvSignalPower = pwdb_all;
4292
4293                 /* (3) Get Signal Quality (EVM) */
4294
4295                 if (pstats->RxPWDBAll > 40) {
4296                         sq = 100;
4297                 } else {
4298                         sq = pcck_buf->sq_rpt;
4299
4300                         if (pcck_buf->sq_rpt > 64)
4301                                 sq = 0;
4302                         else if (pcck_buf->sq_rpt < 20)
4303                                 sq = 100;
4304                         else
4305                                 sq = ((64 - sq) * 100) / 44;
4306                 }
4307                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4308                 pstats->RxMIMOSignalQuality[0] =
4309                         precord_stats->RxMIMOSignalQuality[0] = sq;
4310                 pstats->RxMIMOSignalQuality[1] =
4311                         precord_stats->RxMIMOSignalQuality[1] = -1;
4312
4313         } else {
4314                 priv->stats.numqry_phystatusHT++;
4315
4316                 /* (1)Get RSSI for HT rate */
4317                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4318                         /* We will judge RF RX path now. */
4319                         if (priv->brfpath_rxenable[i])
4320                                 rf_rx_num++;
4321                         else
4322                                 continue;
4323
4324                         if (!rtl8192_phy_CheckIsLegalRFPath(
4325                                         priv->ieee80211->dev, i))
4326                                 continue;
4327
4328                         rx_pwr[i] =
4329                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4330
4331                         /* Get Rx snr value in DB */
4332                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4333                         rx_snrX = (char)(tmp_rxsnr);
4334                         rx_snrX /= 2;
4335                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4336
4337                         /* Translate DBM to percentage. */
4338                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4339                         total_rssi += RSSI;
4340
4341                         /* Record Signal Strength for next packet */
4342                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4343                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4344                 }
4345
4346
4347                 /* (2)PWDB, Average PWDB cacluated by hardware
4348                  * (for rate adaptive)
4349                  */
4350                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4351                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4352
4353                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4354                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4355
4356                 /* (3)EVM of HT rate */
4357                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4358                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4359                         /* both spatial stream make sense */
4360                         max_spatial_stream = 2;
4361                 else
4362                         /* only spatial stream 1 makes sense */
4363                         max_spatial_stream = 1;
4364
4365                 for (i = 0; i < max_spatial_stream; i++) {
4366                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4367                         rx_evmX = (char)(tmp_rxevm);
4368
4369                         /* Do not use shift operation like "rx_evmX >>= 1"
4370                          * because the compiler of free build environment will
4371                          * set the most significant bit to "zero" when doing
4372                          * shifting operation which may change a negative value
4373                          * to positive one, then the dbm value (which is
4374                          * supposed to be negative) is not correct anymore.
4375                          */
4376                         rx_evmX /= 2;   /* dbm */
4377
4378                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4379                         if (i == 0)
4380                                 /* Fill value in RFD, Get the first spatial
4381                                  * stream only
4382                                  */
4383                                 pstats->SignalQuality =
4384                                         precord_stats->SignalQuality =
4385                                         (u8)(evm & 0xff);
4386                         pstats->RxMIMOSignalQuality[i] =
4387                                 precord_stats->RxMIMOSignalQuality[i] =
4388                                 (u8)(evm & 0xff);
4389                 }
4390
4391
4392                 /* record rx statistics for debug */
4393                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4394                 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4395                         &rxsc_sgien_exflg;
4396                 if (pdrvinfo->BW)       /* 40M channel */
4397                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4398                 else                    /* 20M channel */
4399                         priv->stats.received_bwtype[0]++;
4400         }
4401
4402         /* UI BSS List signal strength(in percentage), make it good looking,
4403          * from 0~100. It is assigned to the BSS List in
4404          * GetValueFromBeaconOrProbeRsp().
4405          */
4406         if (is_cck_rate) {
4407                 pstats->SignalStrength =
4408                         precord_stats->SignalStrength =
4409                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4410         } else {
4411                 /* We can judge RX path number now. */
4412                 if (rf_rx_num != 0) {
4413                         pstats->SignalStrength =
4414                                 precord_stats->SignalStrength =
4415                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4416                 }
4417         }
4418 }       /* QueryRxPhyStatus8190Pci */
4419
4420 static void rtl8192_record_rxdesc_forlateruse(
4421                 struct ieee80211_rx_stats *psrc_stats,
4422                 struct ieee80211_rx_stats *ptarget_stats)
4423 {
4424         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4425         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4426         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4427 }
4428
4429
4430 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4431                                           struct ieee80211_rx_stats *pstats,
4432                                           rx_drvinfo_819x_usb  *pdrvinfo)
4433 {
4434         /* TODO: We must only check packet for current MAC address.
4435          * Not finish
4436          */
4437         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4438         struct net_device *dev = info->dev;
4439         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4440         bool bpacket_match_bssid, bpacket_toself;
4441         bool bPacketBeacon = false, bToSelfBA = false;
4442         static struct ieee80211_rx_stats  previous_stats;
4443         struct rtl_80211_hdr_3addr *hdr;
4444         u16 fc, type;
4445
4446         /* Get Signal Quality for only RX data queue (but not command queue) */
4447
4448         u8 *tmp_buf;
4449         u8  *praddr;
4450
4451         /* Get MAC frame start address. */
4452         tmp_buf = (u8 *)skb->data;
4453
4454         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4455         fc = le16_to_cpu(hdr->frame_ctl);
4456         type = WLAN_FC_GET_TYPE(fc);
4457         praddr = hdr->addr1;
4458
4459         /* Check if the received packet is acceptable. */
4460         bpacket_match_bssid = (IEEE80211_FTYPE_CTL != type) &&
4461                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4462                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4463         bpacket_toself =  bpacket_match_bssid &
4464                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4465
4466         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4467                 bPacketBeacon = true;
4468         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4469                 if ((eqMacAddr(praddr, dev->dev_addr)))
4470                         bToSelfBA = true;
4471         }
4472
4473
4474
4475         if (bpacket_match_bssid)
4476                 priv->stats.numpacket_matchbssid++;
4477         if (bpacket_toself)
4478                 priv->stats.numpacket_toself++;
4479         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4480          * Because phy information is contained in the last packet of AMPDU
4481          * only, so driver should process phy information of previous packet
4482          */
4483         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4484         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4485                                   bpacket_match_bssid, bpacket_toself,
4486                                   bPacketBeacon, bToSelfBA);
4487         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4488
4489 }
4490
4491 /**
4492 * Function:     UpdateReceivedRateHistogramStatistics
4493 * Overview:     Record the received data rate
4494 *
4495 * Input:
4496 *       struct net_device *dev
4497 *       struct ieee80211_rx_stats *stats
4498 *
4499 * Output:
4500 *
4501 *                       (priv->stats.ReceivedRateHistogram[] is updated)
4502 * Return:
4503 *               None
4504 */
4505 static void
4506 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4507                                           struct ieee80211_rx_stats *stats)
4508 {
4509         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4510         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4511         u32 rcvType = 1;
4512         u32 rateIndex;
4513         /* 1: short preamble/GI, 0: long preamble/GI */
4514         u32 preamble_guardinterval;
4515
4516
4517         if (stats->bCRC)
4518                 rcvType = 2;
4519         else if (stats->bICV)
4520                 rcvType = 3;
4521
4522         if (stats->bShortPreamble)
4523                 preamble_guardinterval = 1; /* short */
4524         else
4525                 preamble_guardinterval = 0; /* long */
4526
4527         switch (stats->rate) {
4528         /* CCK rate */
4529         case MGN_1M:
4530                 rateIndex = 0;
4531                 break;
4532         case MGN_2M:
4533                 rateIndex = 1;
4534                 break;
4535         case MGN_5_5M:
4536                 rateIndex = 2;
4537                 break;
4538         case MGN_11M:
4539                 rateIndex = 3;
4540                 break;
4541         /* Legacy OFDM rate */
4542         case MGN_6M:
4543                 rateIndex = 4;
4544                 break;
4545         case MGN_9M:
4546                 rateIndex = 5;
4547                 break;
4548         case MGN_12M:
4549                 rateIndex = 6;
4550                 break;
4551         case MGN_18M:
4552                 rateIndex = 7;
4553                 break;
4554         case MGN_24M:
4555                 rateIndex = 8;
4556                 break;
4557         case MGN_36M:
4558                 rateIndex = 9;
4559                 break;
4560         case MGN_48M:
4561                 rateIndex = 10;
4562                 break;
4563         case MGN_54M:
4564                 rateIndex = 11;
4565                 break;
4566         /* 11n High throughput rate */
4567         case MGN_MCS0:
4568                 rateIndex = 12;
4569                 break;
4570         case MGN_MCS1:
4571                 rateIndex = 13;
4572                 break;
4573         case MGN_MCS2:
4574                 rateIndex = 14;
4575                 break;
4576         case MGN_MCS3:
4577                 rateIndex = 15;
4578                 break;
4579         case MGN_MCS4:
4580                 rateIndex = 16;
4581                 break;
4582         case MGN_MCS5:
4583                 rateIndex = 17;
4584                 break;
4585         case MGN_MCS6:
4586                 rateIndex = 18;
4587                 break;
4588         case MGN_MCS7:
4589                 rateIndex = 19;
4590                 break;
4591         case MGN_MCS8:
4592                 rateIndex = 20;
4593                 break;
4594         case MGN_MCS9:
4595                 rateIndex = 21;
4596                 break;
4597         case MGN_MCS10:
4598                 rateIndex = 22;
4599                 break;
4600         case MGN_MCS11:
4601                 rateIndex = 23;
4602                 break;
4603         case MGN_MCS12:
4604                 rateIndex = 24;
4605                 break;
4606         case MGN_MCS13:
4607                 rateIndex = 25;
4608                 break;
4609         case MGN_MCS14:
4610                 rateIndex = 26;
4611                 break;
4612         case MGN_MCS15:
4613                 rateIndex = 27;
4614                 break;
4615         default:
4616                 rateIndex = 28;
4617                 break;
4618         }
4619         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4620         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4621         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4622 }
4623
4624
4625 static void query_rxdesc_status(struct sk_buff *skb,
4626                                 struct ieee80211_rx_stats *stats,
4627                                 bool bIsRxAggrSubframe)
4628 {
4629         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4630         struct net_device *dev = info->dev;
4631         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4632         rx_drvinfo_819x_usb  *driver_info = NULL;
4633
4634         /* Get Rx Descriptor Information */
4635         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4636
4637         stats->Length = desc->Length;
4638         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4639         stats->RxBufShift = 0;
4640         stats->bICV = desc->ICV;
4641         stats->bCRC = desc->CRC32;
4642         stats->bHwError = stats->bCRC | stats->bICV;
4643         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4644         stats->Decrypted = !desc->SWDec;
4645
4646         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4647             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4648                 stats->bHwError = false;
4649         else
4650                 stats->bHwError = stats->bCRC | stats->bICV;
4651
4652         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4653                 stats->bHwError |= 1;
4654         /* Get Driver Info */
4655         /* TODO: Need to verify it on FGPA platform
4656          * Driver info are written to the RxBuffer following rx desc
4657          */
4658         if (stats->RxDrvInfoSize != 0) {
4659                 driver_info = (rx_drvinfo_819x_usb *)(
4660                                 skb->data
4661                                 + sizeof(rx_desc_819x_usb)
4662                                 + stats->RxBufShift
4663                               );
4664                 /* unit: 0.5M */
4665                 /* TODO */
4666                 if (!stats->bHwError) {
4667                         u8      ret_rate;
4668
4669                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4670                                                    driver_info->RxRate);
4671                         if (ret_rate == 0xff) {
4672                                 /* Abnormal Case: Receive CRC OK packet with Rx
4673                                  * descriptor indicating non supported rate.
4674                                  * Special Error Handling here
4675                                  */
4676
4677                                 stats->bHwError = 1;
4678                                 /* Set 1M rate by default */
4679                                 stats->rate = MGN_1M;
4680                         } else {
4681                                 stats->rate = ret_rate;
4682                         }
4683                 } else {
4684                         stats->rate = 0x02;
4685                 }
4686
4687                 stats->bShortPreamble = driver_info->SPLCP;
4688
4689
4690                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4691
4692                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4693                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4694                                     (driver_info->FirstAGGR == 1);
4695                 stats->TimeStampLow = driver_info->TSFL;
4696
4697                 UpdateRxPktTimeStamp8190(dev, stats);
4698
4699                 /* Rx A-MPDU */
4700                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4701                         RT_TRACE(COMP_RXDESC,
4702                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4703                                  driver_info->FirstAGGR, driver_info->PartAggr);
4704
4705         }
4706
4707         skb_pull(skb, sizeof(rx_desc_819x_usb));
4708         /* Get Total offset of MPDU Frame Body */
4709         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4710                 stats->bShift = 1;
4711                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4712         }
4713
4714         if (driver_info) {
4715                 stats->RxIs40MHzPacket = driver_info->BW;
4716                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4717         }
4718 }
4719
4720 static void rtl8192_rx_nomal(struct sk_buff *skb)
4721 {
4722         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4723         struct net_device *dev = info->dev;
4724         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4725         struct ieee80211_rx_stats stats = {
4726                 .signal = 0,
4727                 .noise = -98,
4728                 .rate = 0,
4729                 .freq = IEEE80211_24GHZ_BAND,
4730         };
4731         u32 rx_pkt_len = 0;
4732         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4733         bool unicast_packet = false;
4734
4735         /* 20 is for ps-poll */
4736         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4737                 /* first packet should not contain Rx aggregation header */
4738                 query_rxdesc_status(skb, &stats, false);
4739                 /* TODO */
4740                 /* hardware related info */
4741                 /* Process the MPDU received */
4742                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4743
4744                 rx_pkt_len = skb->len;
4745                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4746                 unicast_packet = false;
4747                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4748                         /* TODO */
4749                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4750                         /* TODO */
4751                 } else {
4752                         /* unicast packet */
4753                         unicast_packet = true;
4754                 }
4755
4756                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4757                         dev_kfree_skb_any(skb);
4758                 } else {
4759                         priv->stats.rxoktotal++;
4760                         if (unicast_packet)
4761                                 priv->stats.rxbytesunicast += rx_pkt_len;
4762                 }
4763         } else {
4764                 priv->stats.rxurberr++;
4765                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4766                 dev_kfree_skb_any(skb);
4767         }
4768
4769 }
4770
4771 static void rtl819xusb_process_received_packet(
4772                 struct net_device *dev,
4773                 struct ieee80211_rx_stats *pstats)
4774 {
4775         u8      *frame;
4776         u16     frame_len = 0;
4777         struct r8192_priv *priv = ieee80211_priv(dev);
4778
4779         /* Get shifted bytes of Starting address of 802.11 header. */
4780         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4781         frame = pstats->virtual_address;
4782         frame_len = pstats->packetlength;
4783 #ifdef TODO     /* about HCT */
4784         if (!Adapter->bInHctTest)
4785                 CountRxErrStatistics(Adapter, pRfd);
4786 #endif
4787 #ifdef ENABLE_PS  /* for adding ps function in future */
4788         RT_RF_POWER_STATE rtState;
4789         /* When RF is off, we should not count the packet for hw/sw synchronize
4790          * reason, ie. there may be a duration while sw switch is changed and
4791          * hw switch is being changed.
4792          */
4793         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4794                                          (u8 *)(&rtState));
4795         if (rtState == eRfOff)
4796                 return;
4797 #endif
4798         priv->stats.rxframgment++;
4799
4800 #ifdef TODO
4801         RmMonitorSignalStrength(Adapter, pRfd);
4802 #endif
4803         /* We have to release RFD and return if rx pkt is cmd pkt. */
4804         if (rtl819xusb_rx_command_packet(dev, pstats))
4805                 return;
4806
4807 #ifdef SW_CRC_CHECK
4808         SwCrcCheck();
4809 #endif
4810
4811
4812 }
4813
4814 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4815                                         struct ieee80211_rx_stats *stats)
4816 {
4817         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4818
4819         /* Get Rx Descriptor Information */
4820         stats->virtual_address = (u8 *)skb->data;
4821         stats->Length = desc->Length;
4822         stats->RxDrvInfoSize = 0;
4823         stats->RxBufShift = 0;
4824         stats->packetlength = stats->Length - scrclng;
4825         stats->fraglength = stats->packetlength;
4826         stats->fragoffset = 0;
4827         stats->ntotalfrag = 1;
4828 }
4829
4830
4831 static void rtl8192_rx_cmd(struct sk_buff *skb)
4832 {
4833         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4834         struct net_device *dev = info->dev;
4835         /* TODO */
4836         struct ieee80211_rx_stats stats = {
4837                 .signal = 0,
4838                 .noise = -98,
4839                 .rate = 0,
4840                 .freq = IEEE80211_24GHZ_BAND,
4841         };
4842
4843         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4844
4845                 query_rx_cmdpkt_desc_status(skb, &stats);
4846                 /* prfd->queue_id = 1; */
4847
4848                 /* Process the command packet received. */
4849
4850                 rtl819xusb_process_received_packet(dev, &stats);
4851
4852                 dev_kfree_skb_any(skb);
4853         }
4854 }
4855
4856 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4857 {
4858         struct sk_buff *skb;
4859         struct rtl8192_rx_info *info;
4860
4861         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4862                 info = (struct rtl8192_rx_info *)skb->cb;
4863                 switch (info->out_pipe) {
4864                 /* Nomal packet pipe */
4865                 case 3:
4866                         priv->IrpPendingCount--;
4867                         rtl8192_rx_nomal(skb);
4868                         break;
4869
4870                 /* Command packet pipe */
4871                 case 9:
4872                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4873                                  info->out_pipe);
4874
4875                         rtl8192_rx_cmd(skb);
4876                         break;
4877
4878                 default: /* should never get here! */
4879                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4880                                  info->out_pipe);
4881                         dev_kfree_skb(skb);
4882                         break;
4883
4884                 }
4885         }
4886 }
4887
4888 static const struct net_device_ops rtl8192_netdev_ops = {
4889         .ndo_open               = rtl8192_open,
4890         .ndo_stop               = rtl8192_close,
4891         .ndo_get_stats          = rtl8192_stats,
4892         .ndo_tx_timeout         = tx_timeout,
4893         .ndo_do_ioctl           = rtl8192_ioctl,
4894         .ndo_set_rx_mode        = r8192_set_multicast,
4895         .ndo_set_mac_address    = r8192_set_mac_adr,
4896         .ndo_validate_addr      = eth_validate_addr,
4897         .ndo_change_mtu         = eth_change_mtu,
4898         .ndo_start_xmit         = ieee80211_xmit,
4899 };
4900
4901
4902 /****************************************************************************
4903      ---------------------------- USB_STUFF---------------------------
4904 *****************************************************************************/
4905
4906 static int rtl8192_usb_probe(struct usb_interface *intf,
4907                              const struct usb_device_id *id)
4908 {
4909         struct net_device *dev = NULL;
4910         struct r8192_priv *priv = NULL;
4911         struct usb_device *udev = interface_to_usbdev(intf);
4912         int ret;
4913
4914         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4915
4916         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4917         if (dev == NULL)
4918                 return -ENOMEM;
4919
4920         usb_set_intfdata(intf, dev);
4921         SET_NETDEV_DEV(dev, &intf->dev);
4922         priv = ieee80211_priv(dev);
4923         priv->ieee80211 = netdev_priv(dev);
4924         priv->udev = udev;
4925
4926         dev->netdev_ops = &rtl8192_netdev_ops;
4927
4928         dev->wireless_handlers =
4929                 (struct iw_handler_def *)&r8192_wx_handlers_def;
4930
4931         dev->type = ARPHRD_ETHER;
4932
4933         dev->watchdog_timeo = HZ * 3;
4934
4935         if (dev_alloc_name(dev, ifname) < 0) {
4936                 RT_TRACE(COMP_INIT,
4937                          "Oops: devname already taken! Trying wlan%%d...\n");
4938                 ifname = "wlan%d";
4939                 dev_alloc_name(dev, ifname);
4940         }
4941
4942         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4943         if (rtl8192_init(dev) != 0) {
4944                 RT_TRACE(COMP_ERR, "Initialization failed");
4945                 ret = -ENODEV;
4946                 goto fail;
4947         }
4948         netif_carrier_off(dev);
4949         netif_stop_queue(dev);
4950
4951         ret = register_netdev(dev);
4952         if (ret)
4953                 goto fail2;
4954
4955         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4956         rtl8192_proc_init_one(dev);
4957
4958
4959         RT_TRACE(COMP_INIT, "Driver probe completed\n");
4960         return 0;
4961
4962 fail2:
4963         rtl8192_down(dev);
4964         kfree(priv->pFirmware);
4965         priv->pFirmware = NULL;
4966         rtl8192_usb_deleteendpoints(dev);
4967         destroy_workqueue(priv->priv_wq);
4968         mdelay(10);
4969 fail:
4970         free_ieee80211(dev);
4971
4972         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
4973         return ret;
4974 }
4975
4976 /* detach all the work and timer structure declared or inititialize
4977  * in r8192U_init function.
4978  */
4979 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
4980 {
4981
4982         cancel_work_sync(&priv->reset_wq);
4983         cancel_delayed_work(&priv->watch_dog_wq);
4984         cancel_delayed_work(&priv->update_beacon_wq);
4985         cancel_work_sync(&priv->qos_activate);
4986 }
4987
4988
4989 static void rtl8192_usb_disconnect(struct usb_interface *intf)
4990 {
4991         struct net_device *dev = usb_get_intfdata(intf);
4992         struct r8192_priv *priv = ieee80211_priv(dev);
4993
4994         if (dev) {
4995                 unregister_netdev(dev);
4996
4997                 RT_TRACE(COMP_DOWN,
4998                          "=============>wlan driver to be removed\n");
4999                 rtl8192_proc_remove_one(dev);
5000
5001                 rtl8192_down(dev);
5002                 kfree(priv->pFirmware);
5003                 priv->pFirmware = NULL;
5004                 rtl8192_usb_deleteendpoints(dev);
5005                 destroy_workqueue(priv->priv_wq);
5006                 mdelay(10);
5007         }
5008         free_ieee80211(dev);
5009         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5010 }
5011
5012 static int __init rtl8192_usb_module_init(void)
5013 {
5014         int ret;
5015
5016 #ifdef CONFIG_IEEE80211_DEBUG
5017         ret = ieee80211_debug_init();
5018         if (ret) {
5019                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5020                 return ret;
5021         }
5022 #endif
5023         ret = ieee80211_crypto_init();
5024         if (ret) {
5025                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5026                 return ret;
5027         }
5028
5029         ret = ieee80211_crypto_tkip_init();
5030         if (ret) {
5031                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5032                 return ret;
5033         }
5034
5035         ret = ieee80211_crypto_ccmp_init();
5036         if (ret) {
5037                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5038                 return ret;
5039         }
5040
5041         ret = ieee80211_crypto_wep_init();
5042         if (ret) {
5043                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5044                 return ret;
5045         }
5046
5047         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5048         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5049         RT_TRACE(COMP_INIT, "Initializing module");
5050         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5051         rtl8192_proc_module_init();
5052         return usb_register(&rtl8192_usb_driver);
5053 }
5054
5055
5056 static void __exit rtl8192_usb_module_exit(void)
5057 {
5058         usb_deregister(&rtl8192_usb_driver);
5059
5060         RT_TRACE(COMP_DOWN, "Exiting");
5061 }
5062
5063
5064 void rtl8192_try_wake_queue(struct net_device *dev, int pri)
5065 {
5066         unsigned long flags;
5067         short enough_desc;
5068         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5069
5070         spin_lock_irqsave(&priv->tx_lock, flags);
5071         enough_desc = check_nic_enough_desc(dev, pri);
5072         spin_unlock_irqrestore(&priv->tx_lock, flags);
5073
5074         if (enough_desc)
5075                 ieee80211_wake_queue(priv->ieee80211);
5076 }
5077
5078 void EnableHWSecurityConfig8192(struct net_device *dev)
5079 {
5080         u8 SECR_value = 0x0;
5081         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5082         struct ieee80211_device *ieee = priv->ieee80211;
5083
5084         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5085         if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) {
5086                 SECR_value |= SCR_RxUseDK;
5087                 SECR_value |= SCR_TxUseDK;
5088         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5089                 SECR_value |= SCR_RxUseDK;
5090                 SECR_value |= SCR_TxUseDK;
5091         }
5092         /* add HWSec active enable here.
5093          * default using hwsec. when peer AP is in N mode only and
5094          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5095          * it), use software security. when peer AP is in b,g,n mode mixed and
5096          * pairwise_key_type is none_aes, use g mode hw security.
5097          */
5098
5099         ieee->hwsec_active = 1;
5100
5101         /* add hwsec_support flag to totol control hw_sec on/off */
5102         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5103                 ieee->hwsec_active = 0;
5104                 SECR_value &= ~SCR_RxDecEnable;
5105         }
5106         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5107                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5108                  SECR_value);
5109         write_nic_byte(dev, SECR,  SECR_value);
5110 }
5111
5112
5113 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5114             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5115 {
5116         u32 TargetCommand = 0;
5117         u32 TargetContent = 0;
5118         u16 usConfig = 0;
5119         u8 i;
5120
5121         if (EntryNo >= TOTAL_CAM_ENTRY)
5122                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5123
5124         RT_TRACE(COMP_SEC,
5125                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5126                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5127
5128         if (DefaultKey)
5129                 usConfig |= BIT15 | (KeyType << 2);
5130         else
5131                 usConfig |= BIT15 | (KeyType << 2) | KeyIndex;
5132
5133
5134         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5135                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5136                 TargetCommand |= BIT31 | BIT16;
5137
5138                 if (i == 0) { /* MAC|Config */
5139                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5140                                         (u32)(*(MacAddr + 1)) << 24 |
5141                                         (u32)usConfig;
5142
5143                         write_nic_dword(dev, WCAMI, TargetContent);
5144                         write_nic_dword(dev, RWCAM, TargetCommand);
5145                 } else if (i == 1) { /* MAC */
5146                         TargetContent = (u32)(*(MacAddr + 2))    |
5147                                         (u32)(*(MacAddr + 3)) <<  8 |
5148                                         (u32)(*(MacAddr + 4)) << 16 |
5149                                         (u32)(*(MacAddr + 5)) << 24;
5150                         write_nic_dword(dev, WCAMI, TargetContent);
5151                         write_nic_dword(dev, RWCAM, TargetCommand);
5152                 } else {
5153                         /* Key Material */
5154                         if (KeyContent != NULL) {
5155                                 write_nic_dword(dev, WCAMI, (u32)(*(KeyContent + i - 2)));
5156                                 write_nic_dword(dev, RWCAM, TargetCommand);
5157                         }
5158                 }
5159         }
5160
5161 }
5162
5163 /***************************************************************************
5164      ------------------- module init / exit stubs ----------------
5165 ****************************************************************************/
5166 module_init(rtl8192_usb_module_init);
5167 module_exit(rtl8192_usb_module_exit);