Version:  2.0.40 2.2.26 2.4.37 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9

Linux/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, 0644);
118 module_param(hwwep, int, 0644);
119 module_param(channels, int, 0644);
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 |= BIT(31) | BIT(30);
237         write_nic_dword(dev, RWCAM, ulcommand);
238 }
239 
240 
241 void write_cam(struct net_device *dev, u8 addr, u32 data)
242 {
243         write_nic_dword(dev, WCAMI, data);
244         write_nic_dword(dev, RWCAM, BIT(31) | BIT(16) | (addr & 0xff));
245 }
246 
247 u32 read_cam(struct net_device *dev, u8 addr)
248 {
249         u32 data;
250 
251         write_nic_dword(dev, RWCAM, 0x80000000 | (addr & 0xff));
252         read_nic_dword(dev, 0xa8, &data);
253         return data;
254 }
255 
256 int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
257 {
258         int status;
259         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
260         struct usb_device *udev = priv->udev;
261         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
262 
263         if (!usbdata)
264                 return -ENOMEM;
265         *usbdata = data;
266 
267         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
268                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
269                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
270         kfree(usbdata);
271 
272         if (status < 0){
273                 netdev_err(dev, "write_nic_byte_E TimeOut! status: %d\n",
274                            status);
275                 return status;
276         }
277         return 0;
278 }
279 
280 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
281 {
282         int status;
283         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
284         struct usb_device *udev = priv->udev;
285         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
286 
287         if (!usbdata)
288                 return -ENOMEM;
289 
290         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
291                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
292                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
293         *data = *usbdata;
294         kfree(usbdata);
295 
296         if (status < 0) {
297                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
298                 return status;
299         }
300 
301         return 0;
302 }
303 
304 /* as 92U has extend page from 4 to 16, so modify functions below. */
305 int write_nic_byte(struct net_device *dev, int indx, u8 data)
306 {
307         int status;
308 
309         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
310         struct usb_device *udev = priv->udev;
311         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
312 
313         if (!usbdata)
314                 return -ENOMEM;
315         *usbdata = data;
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                                  usbdata, 1, HZ / 2);
321         kfree(usbdata);
322 
323         if (status < 0) {
324                 netdev_err(dev, "write_nic_byte TimeOut! status: %d\n", status);
325                 return status;
326         }
327 
328         return 0;
329 }
330 
331 
332 int write_nic_word(struct net_device *dev, int indx, u16 data)
333 {
334         int status;
335 
336         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
337         struct usb_device *udev = priv->udev;
338         u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
339 
340         if (!usbdata)
341                 return -ENOMEM;
342         *usbdata = data;
343 
344         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
345                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
346                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
347                                  usbdata, 2, HZ / 2);
348         kfree(usbdata);
349 
350         if (status < 0) {
351                 netdev_err(dev, "write_nic_word TimeOut! status: %d\n", status);
352                 return status;
353         }
354 
355         return 0;
356 }
357 
358 
359 int write_nic_dword(struct net_device *dev, int indx, u32 data)
360 {
361         int status;
362 
363         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
364         struct usb_device *udev = priv->udev;
365         u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
366 
367         if (!usbdata)
368                 return -ENOMEM;
369         *usbdata = data;
370 
371         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
372                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
373                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
374                                  usbdata, 4, HZ / 2);
375         kfree(usbdata);
376 
377 
378         if (status < 0) {
379                 netdev_err(dev, "write_nic_dword TimeOut! status: %d\n",
380                            status);
381                 return status;
382         }
383 
384         return 0;
385 }
386 
387 
388 
389 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
390 {
391         int status;
392         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
393         struct usb_device *udev = priv->udev;
394         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
395 
396         if (!usbdata)
397                 return -ENOMEM;
398 
399         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
400                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
401                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
402                                  usbdata, 1, HZ / 2);
403         *data = *usbdata;
404         kfree(usbdata);
405 
406         if (status < 0) {
407                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
408                 return status;
409         }
410 
411         return 0;
412 }
413 
414 
415 
416 int read_nic_word(struct net_device *dev, int indx, u16 *data)
417 {
418         int status;
419         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
420         struct usb_device *udev = priv->udev;
421         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
422 
423         if (!usbdata)
424                 return -ENOMEM;
425 
426         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
427                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
428                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
429                                  usbdata, 2, HZ / 2);
430         *data = *usbdata;
431         kfree(usbdata);
432 
433         if (status < 0) {
434                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
435                 return status;
436         }
437 
438         return 0;
439 }
440 
441 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
442 {
443         int status;
444         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
445         struct usb_device *udev = priv->udev;
446         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
447 
448         if (!usbdata)
449                 return -ENOMEM;
450 
451         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
452                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
453                                  indx | 0xfe00, 0, usbdata, 2, HZ / 2);
454         *data = *usbdata;
455         kfree(usbdata);
456 
457         if (status < 0) {
458                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
459                 return status;
460         }
461 
462         return 0;
463 }
464 
465 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
466 {
467         int status;
468 
469         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
470         struct usb_device *udev = priv->udev;
471         u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
472 
473         if (!usbdata)
474                 return -ENOMEM;
475 
476         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
477                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
478                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
479                                  usbdata, 4, HZ / 2);
480         *data = *usbdata;
481         kfree(usbdata);
482 
483         if (status < 0) {
484                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
485                 return status;
486         }
487 
488         return 0;
489 }
490 
491 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
492 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
493 /* this might still called in what was the PHY rtl8185/rtl8192 common code
494  * plans are to possibility turn it again in one common code...
495  */
496 inline void force_pci_posting(struct net_device *dev)
497 {
498 }
499 
500 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
501 static void rtl8192_restart(struct work_struct *work);
502 static void watch_dog_timer_callback(unsigned long data);
503 
504 /****************************************************************************
505  *   -----------------------------PROCFS STUFF-------------------------
506 *****************************************************************************
507  */
508 
509 static struct proc_dir_entry *rtl8192_proc;
510 
511 static int proc_get_stats_ap(struct seq_file *m, void *v)
512 {
513         struct net_device *dev = m->private;
514         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
515         struct ieee80211_device *ieee = priv->ieee80211;
516         struct ieee80211_network *target;
517 
518         list_for_each_entry(target, &ieee->network_list, list) {
519                 const char *wpa = "non_WPA";
520 
521                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
522                         wpa = "WPA";
523 
524                 seq_printf(m, "%s %s\n", target->ssid, wpa);
525         }
526 
527         return 0;
528 }
529 
530 static int proc_get_registers(struct seq_file *m, void *v)
531 {
532         struct net_device *dev = m->private;
533         int i, n, max = 0xff;
534         u8 byte_rd;
535 
536         seq_puts(m, "\n####################page 0##################\n ");
537 
538         for (n = 0; n <= max;) {
539                 seq_printf(m, "\nD:  %2x > ", n);
540 
541                 for (i = 0; i < 16 && n <= max; i++, n++) {
542                         read_nic_byte(dev, 0x000 | n, &byte_rd);
543                         seq_printf(m, "%2x ", byte_rd);
544                 }
545         }
546 
547         seq_puts(m, "\n####################page 1##################\n ");
548         for (n = 0; n <= max;) {
549                 seq_printf(m, "\nD:  %2x > ", n);
550 
551                 for (i = 0; i < 16 && n <= max; i++, n++) {
552                         read_nic_byte(dev, 0x100 | n, &byte_rd);
553                         seq_printf(m, "%2x ", byte_rd);
554                 }
555         }
556 
557         seq_puts(m, "\n####################page 3##################\n ");
558         for (n = 0; n <= max;) {
559                 seq_printf(m, "\nD:  %2x > ", n);
560 
561                 for (i = 0; i < 16 && n <= max; i++, n++) {
562                         read_nic_byte(dev, 0x300 | n, &byte_rd);
563                         seq_printf(m, "%2x ", byte_rd);
564                 }
565         }
566 
567         seq_putc(m, '\n');
568         return 0;
569 }
570 
571 static int proc_get_stats_tx(struct seq_file *m, void *v)
572 {
573         struct net_device *dev = m->private;
574         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
575 
576         seq_printf(m,
577                    "TX VI priority ok int: %lu\n"
578                    "TX VI priority error int: %lu\n"
579                    "TX VO priority ok int: %lu\n"
580                    "TX VO priority error int: %lu\n"
581                    "TX BE priority ok int: %lu\n"
582                    "TX BE priority error int: %lu\n"
583                    "TX BK priority ok int: %lu\n"
584                    "TX BK priority error int: %lu\n"
585                    "TX MANAGE priority ok int: %lu\n"
586                    "TX MANAGE priority error int: %lu\n"
587                    "TX BEACON priority ok int: %lu\n"
588                    "TX BEACON priority error int: %lu\n"
589                    "TX queue resume: %lu\n"
590                    "TX queue stopped?: %d\n"
591                    "TX fifo overflow: %lu\n"
592                    "TX VI queue: %d\n"
593                    "TX VO queue: %d\n"
594                    "TX BE queue: %d\n"
595                    "TX BK queue: %d\n"
596                    "TX VI dropped: %lu\n"
597                    "TX VO dropped: %lu\n"
598                    "TX BE dropped: %lu\n"
599                    "TX BK dropped: %lu\n"
600                    "TX total data packets %lu\n",
601                    priv->stats.txviokint,
602                    priv->stats.txvierr,
603                    priv->stats.txvookint,
604                    priv->stats.txvoerr,
605                    priv->stats.txbeokint,
606                    priv->stats.txbeerr,
607                    priv->stats.txbkokint,
608                    priv->stats.txbkerr,
609                    priv->stats.txmanageokint,
610                    priv->stats.txmanageerr,
611                    priv->stats.txbeaconokint,
612                    priv->stats.txbeaconerr,
613                    priv->stats.txresumed,
614                    netif_queue_stopped(dev),
615                    priv->stats.txoverflow,
616                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
617                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
618                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
619                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
620                    priv->stats.txvidrop,
621                    priv->stats.txvodrop,
622                    priv->stats.txbedrop,
623                    priv->stats.txbkdrop,
624                    priv->stats.txdatapkt
625                 );
626 
627         return 0;
628 }
629 
630 static int proc_get_stats_rx(struct seq_file *m, void *v)
631 {
632         struct net_device *dev = m->private;
633         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
634 
635         seq_printf(m,
636                    "RX packets: %lu\n"
637                    "RX urb status error: %lu\n"
638                    "RX invalid urb error: %lu\n",
639                    priv->stats.rxoktotal,
640                    priv->stats.rxstaterr,
641                    priv->stats.rxurberr);
642 
643         return 0;
644 }
645 
646 static void rtl8192_proc_module_init(void)
647 {
648         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
649         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
650 }
651 
652 /*
653  * seq_file wrappers for procfile show routines.
654  */
655 static int rtl8192_proc_open(struct inode *inode, struct file *file)
656 {
657         struct net_device *dev = proc_get_parent_data(inode);
658         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
659 
660         return single_open(file, show, dev);
661 }
662 
663 static const struct file_operations rtl8192_proc_fops = {
664         .open           = rtl8192_proc_open,
665         .read           = seq_read,
666         .llseek         = seq_lseek,
667         .release        = single_release,
668 };
669 
670 /*
671  * Table of proc files we need to create.
672  */
673 struct rtl8192_proc_file {
674         char name[12];
675         int (*show)(struct seq_file *, void *);
676 };
677 
678 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
679         { "stats-rx",   &proc_get_stats_rx },
680         { "stats-tx",   &proc_get_stats_tx },
681         { "stats-ap",   &proc_get_stats_ap },
682         { "registers",  &proc_get_registers },
683         { "" }
684 };
685 
686 static void rtl8192_proc_init_one(struct net_device *dev)
687 {
688         const struct rtl8192_proc_file *f;
689         struct proc_dir_entry *dir;
690 
691         if (rtl8192_proc) {
692                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
693                 if (!dir) {
694                         RT_TRACE(COMP_ERR,
695                                  "Unable to initialize /proc/net/rtl8192/%s\n",
696                                  dev->name);
697                         return;
698                 }
699 
700                 for (f = rtl8192_proc_files; f->name[0]; f++) {
701                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
702                                               &rtl8192_proc_fops, f->show)) {
703                                 RT_TRACE(COMP_ERR,
704                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
705                                          dev->name, f->name);
706                                 return;
707                         }
708                 }
709         }
710 }
711 
712 static void rtl8192_proc_remove_one(struct net_device *dev)
713 {
714         remove_proc_subtree(dev->name, rtl8192_proc);
715 }
716 
717 /****************************************************************************
718    -----------------------------MISC STUFF-------------------------
719 *****************************************************************************/
720 
721 short check_nic_enough_desc(struct net_device *dev, int queue_index)
722 {
723         struct r8192_priv *priv = ieee80211_priv(dev);
724         int used = atomic_read(&priv->tx_pending[queue_index]);
725 
726         return (used < MAX_TX_URB);
727 }
728 
729 static void tx_timeout(struct net_device *dev)
730 {
731         struct r8192_priv *priv = ieee80211_priv(dev);
732 
733         schedule_work(&priv->reset_wq);
734 }
735 
736 void rtl8192_update_msr(struct net_device *dev)
737 {
738         struct r8192_priv *priv = ieee80211_priv(dev);
739         u8 msr;
740 
741         read_nic_byte(dev, MSR, &msr);
742         msr &= ~MSR_LINK_MASK;
743 
744         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
745          * msr must be updated if the state is ASSOCIATING.
746          * this is intentional and make sense for ad-hoc and
747          * master (see the create BSS/IBSS func)
748          */
749         if (priv->ieee80211->state == IEEE80211_LINKED) {
750                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
751                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
752                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
753                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
754                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
755                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
756 
757         } else {
758                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
759         }
760 
761         write_nic_byte(dev, MSR, msr);
762 }
763 
764 void rtl8192_set_chan(struct net_device *dev, short ch)
765 {
766         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
767 
768         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
769         priv->chan = ch;
770 
771         /* this hack should avoid frame TX during channel setting*/
772 
773         /* need to implement rf set channel here */
774 
775         if (priv->rf_set_chan)
776                 priv->rf_set_chan(dev, priv->chan);
777         mdelay(10);
778 }
779 
780 static void rtl8192_rx_isr(struct urb *urb);
781 
782 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
783 {
784         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
785                 + pstats->RxBufShift);
786 }
787 
788 static int rtl8192_rx_initiate(struct net_device *dev)
789 {
790         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
791         struct urb *entry;
792         struct sk_buff *skb;
793         struct rtl8192_rx_info *info;
794 
795         /* nomal packet rx procedure */
796         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
797                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
798                 if (!skb)
799                         break;
800                 entry = usb_alloc_urb(0, GFP_KERNEL);
801                 if (!entry) {
802                         kfree_skb(skb);
803                         break;
804                 }
805                 usb_fill_bulk_urb(entry, priv->udev,
806                                   usb_rcvbulkpipe(priv->udev, 3),
807                                   skb_tail_pointer(skb),
808                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
809                 info = (struct rtl8192_rx_info *)skb->cb;
810                 info->urb = entry;
811                 info->dev = dev;
812                 info->out_pipe = 3; /* denote rx normal packet queue */
813                 skb_queue_tail(&priv->rx_queue, skb);
814                 usb_submit_urb(entry, GFP_KERNEL);
815         }
816 
817         /* command packet rx procedure */
818         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
819                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
820                 if (!skb)
821                         break;
822                 entry = usb_alloc_urb(0, GFP_KERNEL);
823                 if (!entry) {
824                         kfree_skb(skb);
825                         break;
826                 }
827                 usb_fill_bulk_urb(entry, priv->udev,
828                                   usb_rcvbulkpipe(priv->udev, 9),
829                                   skb_tail_pointer(skb),
830                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
831                 info = (struct rtl8192_rx_info *)skb->cb;
832                 info->urb = entry;
833                 info->dev = dev;
834                 info->out_pipe = 9; /* denote rx cmd packet queue */
835                 skb_queue_tail(&priv->rx_queue, skb);
836                 usb_submit_urb(entry, GFP_KERNEL);
837         }
838 
839         return 0;
840 }
841 
842 void rtl8192_set_rxconf(struct net_device *dev)
843 {
844         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
845         u32 rxconf;
846 
847         read_nic_dword(dev, RCR, &rxconf);
848         rxconf = rxconf & ~MAC_FILTER_MASK;
849         rxconf = rxconf | RCR_AMF;
850         rxconf = rxconf | RCR_ADF;
851         rxconf = rxconf | RCR_AB;
852         rxconf = rxconf | RCR_AM;
853 
854         if (dev->flags & IFF_PROMISC)
855                 DMESG("NIC in promisc mode");
856 
857         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
858             dev->flags & IFF_PROMISC) {
859                 rxconf = rxconf | RCR_AAP;
860         } else {
861                 rxconf = rxconf | RCR_APM;
862                 rxconf = rxconf | RCR_CBSSID;
863         }
864 
865 
866         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
867                 rxconf = rxconf | RCR_AICV;
868                 rxconf = rxconf | RCR_APWRMGT;
869         }
870 
871         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
872                 rxconf = rxconf | RCR_ACRC32;
873 
874 
875         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
876         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
877         rxconf = rxconf & ~MAX_RX_DMA_MASK;
878         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
879 
880         rxconf = rxconf | RCR_ONLYERLPKT;
881 
882         write_nic_dword(dev, RCR, rxconf);
883 }
884 
885 /* wait to be removed */
886 void rtl8192_rx_enable(struct net_device *dev)
887 {
888         rtl8192_rx_initiate(dev);
889 }
890 
891 
892 void rtl8192_tx_enable(struct net_device *dev)
893 {
894 }
895 
896 
897 
898 void rtl8192_rtx_disable(struct net_device *dev)
899 {
900         u8 cmd;
901         struct r8192_priv *priv = ieee80211_priv(dev);
902         struct sk_buff *skb;
903         struct rtl8192_rx_info *info;
904 
905         read_nic_byte(dev, CMDR, &cmd);
906         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
907         force_pci_posting(dev);
908         mdelay(10);
909 
910         while ((skb = __skb_dequeue(&priv->rx_queue))) {
911                 info = (struct rtl8192_rx_info *)skb->cb;
912                 if (!info->urb)
913                         continue;
914 
915                 usb_kill_urb(info->urb);
916                 kfree_skb(skb);
917         }
918 
919         if (skb_queue_len(&priv->skb_queue))
920                 netdev_warn(dev, "skb_queue not empty\n");
921 
922         skb_queue_purge(&priv->skb_queue);
923 }
924 
925 /* The prototype of rx_isr has changed since one version of Linux Kernel */
926 static void rtl8192_rx_isr(struct urb *urb)
927 {
928         struct sk_buff *skb = (struct sk_buff *)urb->context;
929         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
930         struct net_device *dev = info->dev;
931         struct r8192_priv *priv = ieee80211_priv(dev);
932         int out_pipe = info->out_pipe;
933         int err;
934 
935         if (!priv->up)
936                 return;
937 
938         if (unlikely(urb->status)) {
939                 info->urb = NULL;
940                 priv->stats.rxstaterr++;
941                 priv->ieee80211->stats.rx_errors++;
942                 usb_free_urb(urb);
943                 return;
944         }
945         skb_unlink(skb, &priv->rx_queue);
946         skb_put(skb, urb->actual_length);
947 
948         skb_queue_tail(&priv->skb_queue, skb);
949         tasklet_schedule(&priv->irq_rx_tasklet);
950 
951         skb = dev_alloc_skb(RX_URB_SIZE);
952         if (unlikely(!skb)) {
953                 usb_free_urb(urb);
954                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
955                 /* TODO check rx queue length and refill *somewhere* */
956                 return;
957         }
958 
959         usb_fill_bulk_urb(urb, priv->udev,
960                           usb_rcvbulkpipe(priv->udev, out_pipe),
961                           skb_tail_pointer(skb),
962                           RX_URB_SIZE, rtl8192_rx_isr, skb);
963 
964         info = (struct rtl8192_rx_info *)skb->cb;
965         info->urb = urb;
966         info->dev = dev;
967         info->out_pipe = out_pipe;
968 
969         urb->transfer_buffer = skb_tail_pointer(skb);
970         urb->context = skb;
971         skb_queue_tail(&priv->rx_queue, skb);
972         err = usb_submit_urb(urb, GFP_ATOMIC);
973         if (err && err != EPERM)
974                 netdev_err(dev,
975                            "can not submit rxurb, err is %x, URB status is %x\n",
976                            err, urb->status);
977 }
978 
979 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
980                                         struct ieee80211_rx_stats *pstats)
981 {
982         u32     status;
983 
984         status = cmpk_message_handle_rx(dev, pstats);
985         if (status)
986                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
987 
988         return status;
989 }
990 
991 
992 static void rtl8192_data_hard_stop(struct net_device *dev)
993 {
994         /* FIXME !! */
995 }
996 
997 
998 static void rtl8192_data_hard_resume(struct net_device *dev)
999 {
1000         /* FIXME !! */
1001 }
1002 
1003 /* this function TX data frames when the ieee80211 stack requires this.
1004  * It checks also if we need to stop the ieee tx queue, eventually do it
1005  */
1006 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1007                                    int rate)
1008 {
1009         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1010         int ret;
1011         unsigned long flags;
1012         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1013         u8 queue_index = tcb_desc->queue_index;
1014 
1015         /* shall not be referred by command packet */
1016         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1017 
1018         spin_lock_irqsave(&priv->tx_lock, flags);
1019 
1020         *(struct net_device **)(skb->cb) = dev;
1021         tcb_desc->bTxEnableFwCalcDur = 1;
1022         skb_push(skb, priv->ieee80211->tx_headroom);
1023         ret = rtl8192_tx(dev, skb);
1024 
1025         spin_unlock_irqrestore(&priv->tx_lock, flags);
1026 }
1027 
1028 /* This is a rough attempt to TX a frame
1029  * This is called by the ieee 80211 stack to TX management frames.
1030  * If the ring is full packet are dropped (for data frame the queue
1031  * is stopped before this can happen).
1032  */
1033 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1034 {
1035         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1036         int ret;
1037         unsigned long flags;
1038         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1039         u8 queue_index = tcb_desc->queue_index;
1040 
1041 
1042         spin_lock_irqsave(&priv->tx_lock, flags);
1043 
1044         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1045         if (queue_index == TXCMD_QUEUE) {
1046                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1047                 rtl819xU_tx_cmd(dev, skb);
1048                 ret = 1;
1049         } else {
1050                 skb_push(skb, priv->ieee80211->tx_headroom);
1051                 ret = rtl8192_tx(dev, skb);
1052         }
1053 
1054         spin_unlock_irqrestore(&priv->tx_lock, flags);
1055 
1056         return ret;
1057 }
1058 
1059 static void rtl8192_tx_isr(struct urb *tx_urb)
1060 {
1061         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1062         struct net_device *dev;
1063         struct r8192_priv *priv = NULL;
1064         cb_desc *tcb_desc;
1065         u8  queue_index;
1066 
1067         if (!skb)
1068                 return;
1069 
1070         dev = *(struct net_device **)(skb->cb);
1071         tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1072         queue_index = tcb_desc->queue_index;
1073 
1074         priv = ieee80211_priv(dev);
1075 
1076         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1077                 if (tx_urb->status == 0) {
1078                         netif_trans_update(dev);
1079                         priv->stats.txoktotal++;
1080                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1081                         priv->stats.txbytesunicast +=
1082                                 (skb->len - priv->ieee80211->tx_headroom);
1083                 } else {
1084                         priv->ieee80211->stats.tx_errors++;
1085                         /* TODO */
1086                 }
1087         }
1088 
1089         /* free skb and tx_urb */
1090         dev_kfree_skb_any(skb);
1091         usb_free_urb(tx_urb);
1092         atomic_dec(&priv->tx_pending[queue_index]);
1093 
1094         /*
1095          * Handle HW Beacon:
1096          * We had transfer our beacon frame to host controller at this moment.
1097          *
1098          *
1099          * Caution:
1100          * Handling the wait queue of command packets.
1101          * For Tx command packets, we must not do TCB fragment because it is
1102          * not handled right now. We must cut the packets to match the size of
1103          * TX_CMD_PKT before we send it.
1104          */
1105 
1106         /* Handle MPDU in wait queue. */
1107         if (queue_index != BEACON_QUEUE) {
1108                 /* Don't send data frame during scanning.*/
1109                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1110                     (!(priv->ieee80211->queue_stop))) {
1111                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1112                         if (skb)
1113                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1114                                                                          dev);
1115 
1116                         return; /* avoid further processing AMSDU */
1117                 }
1118         }
1119 }
1120 
1121 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1122 {
1123         struct r8192_priv *priv = ieee80211_priv(dev);
1124         struct ieee80211_network *net;
1125         u8 i = 0, basic_rate = 0;
1126 
1127         net = &priv->ieee80211->current_network;
1128 
1129         for (i = 0; i < net->rates_len; i++) {
1130                 basic_rate = net->rates[i] & 0x7f;
1131                 switch (basic_rate) {
1132                 case MGN_1M:
1133                         *rate_config |= RRSR_1M;
1134                         break;
1135                 case MGN_2M:
1136                         *rate_config |= RRSR_2M;
1137                         break;
1138                 case MGN_5_5M:
1139                         *rate_config |= RRSR_5_5M;
1140                         break;
1141                 case MGN_11M:
1142                         *rate_config |= RRSR_11M;
1143                         break;
1144                 case MGN_6M:
1145                         *rate_config |= RRSR_6M;
1146                         break;
1147                 case MGN_9M:
1148                         *rate_config |= RRSR_9M;
1149                         break;
1150                 case MGN_12M:
1151                         *rate_config |= RRSR_12M;
1152                         break;
1153                 case MGN_18M:
1154                         *rate_config |= RRSR_18M;
1155                         break;
1156                 case MGN_24M:
1157                         *rate_config |= RRSR_24M;
1158                         break;
1159                 case MGN_36M:
1160                         *rate_config |= RRSR_36M;
1161                         break;
1162                 case MGN_48M:
1163                         *rate_config |= RRSR_48M;
1164                         break;
1165                 case MGN_54M:
1166                         *rate_config |= RRSR_54M;
1167                         break;
1168                 }
1169         }
1170         for (i = 0; i < net->rates_ex_len; i++) {
1171                 basic_rate = net->rates_ex[i] & 0x7f;
1172                 switch (basic_rate) {
1173                 case MGN_1M:
1174                         *rate_config |= RRSR_1M;
1175                         break;
1176                 case MGN_2M:
1177                         *rate_config |= RRSR_2M;
1178                         break;
1179                 case MGN_5_5M:
1180                         *rate_config |= RRSR_5_5M;
1181                         break;
1182                 case MGN_11M:
1183                         *rate_config |= RRSR_11M;
1184                         break;
1185                 case MGN_6M:
1186                         *rate_config |= RRSR_6M;
1187                         break;
1188                 case MGN_9M:
1189                         *rate_config |= RRSR_9M;
1190                         break;
1191                 case MGN_12M:
1192                         *rate_config |= RRSR_12M;
1193                         break;
1194                 case MGN_18M:
1195                         *rate_config |= RRSR_18M;
1196                         break;
1197                 case MGN_24M:
1198                         *rate_config |= RRSR_24M;
1199                         break;
1200                 case MGN_36M:
1201                         *rate_config |= RRSR_36M;
1202                         break;
1203                 case MGN_48M:
1204                         *rate_config |= RRSR_48M;
1205                         break;
1206                 case MGN_54M:
1207                         *rate_config |= RRSR_54M;
1208                         break;
1209                 }
1210         }
1211 }
1212 
1213 
1214 #define SHORT_SLOT_TIME 9
1215 #define NON_SHORT_SLOT_TIME 20
1216 
1217 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1218 {
1219         u32 tmp = 0;
1220         struct r8192_priv *priv = ieee80211_priv(dev);
1221         struct ieee80211_network *net = &priv->ieee80211->current_network;
1222 
1223         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1224         tmp = priv->basic_rate;
1225         if (priv->short_preamble)
1226                 tmp |= BRSR_AckShortPmb;
1227         write_nic_dword(dev, RRSR, tmp);
1228 
1229         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1230                 u8 slot_time = 0;
1231 
1232                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1233                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1234                         /* short slot time */
1235                         slot_time = SHORT_SLOT_TIME;
1236                 else    /* long slot time */
1237                         slot_time = NON_SHORT_SLOT_TIME;
1238                 priv->slot_time = slot_time;
1239                 write_nic_byte(dev, SLOT_TIME, slot_time);
1240         }
1241 }
1242 
1243 static void rtl8192_net_update(struct net_device *dev)
1244 {
1245         struct r8192_priv *priv = ieee80211_priv(dev);
1246         struct ieee80211_network *net;
1247         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1248         u16 rate_config = 0;
1249 
1250         net = &priv->ieee80211->current_network;
1251 
1252         rtl8192_config_rate(dev, &rate_config);
1253         priv->basic_rate = rate_config & 0x15f;
1254 
1255         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1256         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1257 
1258         rtl8192_update_msr(dev);
1259         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1260                 write_nic_word(dev, ATIMWND, 2);
1261                 write_nic_word(dev, BCN_DMATIME, 1023);
1262                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1263                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1264                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1265                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1266                 /* TODO: BcnIFS may required to be changed on ASIC */
1267                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1268 
1269                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1270         }
1271 }
1272 
1273 /* temporary hw beacon is not used any more.
1274  * open it when necessary
1275  */
1276 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1277 {
1278 
1279 }
1280 
1281 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1282 {
1283         struct r8192_priv *priv = ieee80211_priv(dev);
1284         int                     status;
1285         struct urb              *tx_urb;
1286         unsigned int            idx_pipe;
1287         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1288         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1289         u8 queue_index = tcb_desc->queue_index;
1290 
1291         atomic_inc(&priv->tx_pending[queue_index]);
1292         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1293         if (!tx_urb) {
1294                 dev_kfree_skb(skb);
1295                 return -ENOMEM;
1296         }
1297 
1298         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1299         /* Tx descriptor ought to be set according to the skb->cb */
1300         pdesc->FirstSeg = 1;
1301         pdesc->LastSeg = 1;
1302         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1303         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1304         pdesc->OWN = 1;
1305         pdesc->LINIP = tcb_desc->bLastIniPkt;
1306 
1307         /*---------------------------------------------------------------------
1308          * Fill up USB_OUT_CONTEXT.
1309          *---------------------------------------------------------------------
1310          */
1311         idx_pipe = 0x04;
1312         usb_fill_bulk_urb(tx_urb, priv->udev,
1313                           usb_sndbulkpipe(priv->udev, idx_pipe),
1314                           skb->data, skb->len, rtl8192_tx_isr, skb);
1315 
1316         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1317 
1318         if (!status)
1319                 return 0;
1320 
1321         DMESGE("Error TX CMD URB, error %d", status);
1322         return -1;
1323 }
1324 
1325 /*
1326  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1327  * in TxFwInfo data structure
1328  * 2006.10.30 by Emily
1329  *
1330  * \param QUEUEID       Software Queue
1331 */
1332 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1333 {
1334         u8 QueueSelect = 0x0;       /* default set to */
1335 
1336         switch (QueueID) {
1337         case BE_QUEUE:
1338                 QueueSelect = QSLT_BE;
1339                 break;
1340 
1341         case BK_QUEUE:
1342                 QueueSelect = QSLT_BK;
1343                 break;
1344 
1345         case VO_QUEUE:
1346                 QueueSelect = QSLT_VO;
1347                 break;
1348 
1349         case VI_QUEUE:
1350                 QueueSelect = QSLT_VI;
1351                 break;
1352         case MGNT_QUEUE:
1353                 QueueSelect = QSLT_MGNT;
1354                 break;
1355 
1356         case BEACON_QUEUE:
1357                 QueueSelect = QSLT_BEACON;
1358                 break;
1359 
1360                 /* TODO: mark other queue selection until we verify it is OK */
1361                 /* TODO: Remove Assertions */
1362         case TXCMD_QUEUE:
1363                 QueueSelect = QSLT_CMD;
1364                 break;
1365         case HIGH_QUEUE:
1366                 QueueSelect = QSLT_HIGH;
1367                 break;
1368 
1369         default:
1370                 RT_TRACE(COMP_ERR,
1371                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1372                          QueueID);
1373                 break;
1374         }
1375         return QueueSelect;
1376 }
1377 
1378 static u8 MRateToHwRate8190Pci(u8 rate)
1379 {
1380         u8  ret = DESC90_RATE1M;
1381 
1382         switch (rate) {
1383         case MGN_1M:
1384                 ret = DESC90_RATE1M;
1385                 break;
1386         case MGN_2M:
1387                 ret = DESC90_RATE2M;
1388                 break;
1389         case MGN_5_5M:
1390                 ret = DESC90_RATE5_5M;
1391                 break;
1392         case MGN_11M:
1393                 ret = DESC90_RATE11M;
1394                 break;
1395         case MGN_6M:
1396                 ret = DESC90_RATE6M;
1397                 break;
1398         case MGN_9M:
1399                 ret = DESC90_RATE9M;
1400                 break;
1401         case MGN_12M:
1402                 ret = DESC90_RATE12M;
1403                 break;
1404         case MGN_18M:
1405                 ret = DESC90_RATE18M;
1406                 break;
1407         case MGN_24M:
1408                 ret = DESC90_RATE24M;
1409                 break;
1410         case MGN_36M:
1411                 ret = DESC90_RATE36M;
1412                 break;
1413         case MGN_48M:
1414                 ret = DESC90_RATE48M;
1415                 break;
1416         case MGN_54M:
1417                 ret = DESC90_RATE54M;
1418                 break;
1419 
1420         /* HT rate since here */
1421         case MGN_MCS0:
1422                 ret = DESC90_RATEMCS0;
1423                 break;
1424         case MGN_MCS1:
1425                 ret = DESC90_RATEMCS1;
1426                 break;
1427         case MGN_MCS2:
1428                 ret = DESC90_RATEMCS2;
1429                 break;
1430         case MGN_MCS3:
1431                 ret = DESC90_RATEMCS3;
1432                 break;
1433         case MGN_MCS4:
1434                 ret = DESC90_RATEMCS4;
1435                 break;
1436         case MGN_MCS5:
1437                 ret = DESC90_RATEMCS5;
1438                 break;
1439         case MGN_MCS6:
1440                 ret = DESC90_RATEMCS6;
1441                 break;
1442         case MGN_MCS7:
1443                 ret = DESC90_RATEMCS7;
1444                 break;
1445         case MGN_MCS8:
1446                 ret = DESC90_RATEMCS8;
1447                 break;
1448         case MGN_MCS9:
1449                 ret = DESC90_RATEMCS9;
1450                 break;
1451         case MGN_MCS10:
1452                 ret = DESC90_RATEMCS10;
1453                 break;
1454         case MGN_MCS11:
1455                 ret = DESC90_RATEMCS11;
1456                 break;
1457         case MGN_MCS12:
1458                 ret = DESC90_RATEMCS12;
1459                 break;
1460         case MGN_MCS13:
1461                 ret = DESC90_RATEMCS13;
1462                 break;
1463         case MGN_MCS14:
1464                 ret = DESC90_RATEMCS14;
1465                 break;
1466         case MGN_MCS15:
1467                 ret = DESC90_RATEMCS15;
1468                 break;
1469         case (0x80 | 0x20):
1470                 ret = DESC90_RATEMCS32;
1471                 break;
1472 
1473         default:
1474                 break;
1475         }
1476         return ret;
1477 }
1478 
1479 
1480 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1481 {
1482         u8   tmp_Short;
1483 
1484         tmp_Short = (TxHT == 1) ?
1485                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1486                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1487 
1488         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1489                 tmp_Short = 0;
1490 
1491         return tmp_Short;
1492 }
1493 
1494 static void tx_zero_isr(struct urb *tx_urb)
1495 {
1496 }
1497 
1498 /*
1499  * The tx procedure is just as following,
1500  * skb->cb will contain all the following information,
1501  * priority, morefrag, rate, &dev.
1502  * */
1503 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1504 {
1505         struct r8192_priv *priv = ieee80211_priv(dev);
1506         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1507         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1508         tx_fwinfo_819x_usb *tx_fwinfo =
1509                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1510         struct usb_device *udev = priv->udev;
1511         int pend;
1512         int status;
1513         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1514         unsigned int idx_pipe;
1515 
1516         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1517         /* we are locked here so the two atomic_read and inc are executed
1518          * without interleaves
1519          * !!! For debug purpose
1520          */
1521         if (pend > MAX_TX_URB) {
1522                 netdev_dbg(dev, "To discard skb packet!\n");
1523                 dev_kfree_skb_any(skb);
1524                 return -1;
1525         }
1526 
1527         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1528         if (!tx_urb) {
1529                 dev_kfree_skb_any(skb);
1530                 return -ENOMEM;
1531         }
1532 
1533         /* Fill Tx firmware info */
1534         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1535         /* DWORD 0 */
1536         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1537         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1538         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1539         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1540                                         tcb_desc);
1541         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1542                 tx_fwinfo->AllowAggregation = 1;
1543                 /* DWORD 1 */
1544                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1545                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1546         } else {
1547                 tx_fwinfo->AllowAggregation = 0;
1548                 /* DWORD 1 */
1549                 tx_fwinfo->RxMF = 0;
1550                 tx_fwinfo->RxAMD = 0;
1551         }
1552 
1553         /* Protection mode related */
1554         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1555         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1556         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1557         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1558         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1559         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1560         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1561         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1562                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1563 
1564         /* Set Bandwidth and sub-channel settings. */
1565         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1566                 if (tcb_desc->bPacketBW) {
1567                         tx_fwinfo->TxBandwidth = 1;
1568                         /* use duplicated mode */
1569                         tx_fwinfo->TxSubCarrier = 0;
1570                 } else {
1571                         tx_fwinfo->TxBandwidth = 0;
1572                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1573                 }
1574         } else {
1575                 tx_fwinfo->TxBandwidth = 0;
1576                 tx_fwinfo->TxSubCarrier = 0;
1577         }
1578 
1579         /* Fill Tx descriptor */
1580         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1581         /* DWORD 0 */
1582         tx_desc->LINIP = 0;
1583         tx_desc->CmdInit = 1;
1584         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1585         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1586 
1587         /*DWORD 1*/
1588         tx_desc->SecCAMID = 0;
1589         tx_desc->RATid = tcb_desc->RATRIndex;
1590         tx_desc->NoEnc = 1;
1591         tx_desc->SecType = 0x0;
1592         if (tcb_desc->bHwSec) {
1593                 switch (priv->ieee80211->pairwise_key_type) {
1594                 case KEY_TYPE_WEP40:
1595                 case KEY_TYPE_WEP104:
1596                         tx_desc->SecType = 0x1;
1597                         tx_desc->NoEnc = 0;
1598                         break;
1599                 case KEY_TYPE_TKIP:
1600                         tx_desc->SecType = 0x2;
1601                         tx_desc->NoEnc = 0;
1602                         break;
1603                 case KEY_TYPE_CCMP:
1604                         tx_desc->SecType = 0x3;
1605                         tx_desc->NoEnc = 0;
1606                         break;
1607                 case KEY_TYPE_NA:
1608                         tx_desc->SecType = 0x0;
1609                         tx_desc->NoEnc = 1;
1610                         break;
1611                 }
1612         }
1613 
1614         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1615         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1616 
1617         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1618         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1619 
1620         /* Fill fields that are required to be initialized in
1621          * all of the descriptors
1622          */
1623         /* DWORD 0 */
1624         tx_desc->FirstSeg = 1;
1625         tx_desc->LastSeg = 1;
1626         tx_desc->OWN = 1;
1627 
1628         /* DWORD 2 */
1629         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1630         idx_pipe = 0x5;
1631 
1632         /* To submit bulk urb */
1633         usb_fill_bulk_urb(tx_urb, udev,
1634                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1635                           skb->len, rtl8192_tx_isr, skb);
1636 
1637         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1638         if (!status) {
1639                 /* We need to send 0 byte packet whenever
1640                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1641                  * been transmitted. Otherwise, it will be halt to wait for
1642                  * another packet.
1643                  */
1644                 bool bSend0Byte = false;
1645                 u8 zero = 0;
1646 
1647                 if (udev->speed == USB_SPEED_HIGH) {
1648                         if (skb->len > 0 && skb->len % 512 == 0)
1649                                 bSend0Byte = true;
1650                 } else {
1651                         if (skb->len > 0 && skb->len % 64 == 0)
1652                                 bSend0Byte = true;
1653                 }
1654                 if (bSend0Byte) {
1655                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1656                         if (!tx_urb_zero)
1657                                 return -ENOMEM;
1658                         usb_fill_bulk_urb(tx_urb_zero, udev,
1659                                           usb_sndbulkpipe(udev, idx_pipe),
1660                                           &zero, 0, tx_zero_isr, dev);
1661                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1662                         if (status) {
1663                                 RT_TRACE(COMP_ERR,
1664                                          "Error TX URB for zero byte %d, error %d",
1665                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1666                                          status);
1667                                 return -1;
1668                         }
1669                 }
1670                 netif_trans_update(dev);
1671                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1672                 return 0;
1673         }
1674 
1675         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1676                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1677                  status);
1678         return -1;
1679 }
1680 
1681 static short rtl8192_usb_initendpoints(struct net_device *dev)
1682 {
1683         struct r8192_priv *priv = ieee80211_priv(dev);
1684 
1685         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1686                                GFP_KERNEL);
1687         if (!priv->rx_urb)
1688                 return -ENOMEM;
1689 
1690 #ifndef JACKSON_NEW_RX
1691         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1692                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1693 
1694                 priv->rx_urb[i]->transfer_buffer =
1695                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1696 
1697                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1698         }
1699 #endif
1700 
1701 #ifdef THOMAS_BEACON
1702         {
1703                 long align = 0;
1704                 void *oldaddr, *newaddr;
1705 
1706                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1707                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1708                 oldaddr = priv->oldaddr;
1709                 align = ((long)oldaddr) & 3;
1710                 if (align) {
1711                         newaddr = oldaddr + 4 - align;
1712                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1713                 } else {
1714                         newaddr = oldaddr;
1715                         priv->rx_urb[16]->transfer_buffer_length = 16;
1716                 }
1717                 priv->rx_urb[16]->transfer_buffer = newaddr;
1718         }
1719 #endif
1720 
1721         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1722         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1723                                  GFP_KERNEL);
1724         if (!priv->pp_rxskb) {
1725                 kfree(priv->rx_urb);
1726 
1727                 priv->pp_rxskb = NULL;
1728                 priv->rx_urb = NULL;
1729 
1730                 DMESGE("Endpoint Alloc Failure");
1731                 return -ENOMEM;
1732         }
1733 
1734         netdev_dbg(dev, "End of initendpoints\n");
1735         return 0;
1736 }
1737 
1738 #ifdef THOMAS_BEACON
1739 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1740 {
1741         int i;
1742         struct r8192_priv *priv = ieee80211_priv(dev);
1743 
1744         if (priv->rx_urb) {
1745                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1746                         usb_kill_urb(priv->rx_urb[i]);
1747                         usb_free_urb(priv->rx_urb[i]);
1748                 }
1749                 kfree(priv->rx_urb);
1750                 priv->rx_urb = NULL;
1751         }
1752         kfree(priv->oldaddr);
1753         priv->oldaddr = NULL;
1754 
1755         kfree(priv->pp_rxskb);
1756         priv->pp_rxskb = NULL;
1757 }
1758 #else
1759 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1760 {
1761         int i;
1762         struct r8192_priv *priv = ieee80211_priv(dev);
1763 
1764 #ifndef JACKSON_NEW_RX
1765 
1766         if (priv->rx_urb) {
1767                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1768                         usb_kill_urb(priv->rx_urb[i]);
1769                         kfree(priv->rx_urb[i]->transfer_buffer);
1770                         usb_free_urb(priv->rx_urb[i]);
1771                 }
1772                 kfree(priv->rx_urb);
1773                 priv->rx_urb = NULL;
1774         }
1775 #else
1776         kfree(priv->rx_urb);
1777         priv->rx_urb = NULL;
1778         kfree(priv->oldaddr);
1779         priv->oldaddr = NULL;
1780 
1781         kfree(priv->pp_rxskb);
1782         priv->pp_rxskb = 0;
1783 
1784 #endif
1785 }
1786 #endif
1787 
1788 static void rtl8192_update_ratr_table(struct net_device *dev);
1789 static void rtl8192_link_change(struct net_device *dev)
1790 {
1791         struct r8192_priv *priv = ieee80211_priv(dev);
1792         struct ieee80211_device *ieee = priv->ieee80211;
1793 
1794         if (ieee->state == IEEE80211_LINKED) {
1795                 rtl8192_net_update(dev);
1796                 rtl8192_update_ratr_table(dev);
1797                 /* Add this as in pure N mode, wep encryption will use software
1798                  * way, but there is no chance to set this as wep will not set
1799                  * group key in wext.
1800                  */
1801                 if (KEY_TYPE_WEP40 == ieee->pairwise_key_type ||
1802                     KEY_TYPE_WEP104 == ieee->pairwise_key_type)
1803                         EnableHWSecurityConfig8192(dev);
1804         }
1805         /*update timing params*/
1806         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1807                 u32 reg = 0;
1808 
1809                 read_nic_dword(dev, RCR, &reg);
1810                 if (priv->ieee80211->state == IEEE80211_LINKED)
1811                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1812                 else
1813                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1814                 write_nic_dword(dev, RCR, reg);
1815         }
1816 }
1817 
1818 static struct ieee80211_qos_parameters def_qos_parameters = {
1819         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1820         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1821         {2, 2, 2, 2},/* aifs */
1822         {0, 0, 0, 0},/* flags */
1823         {0, 0, 0, 0} /* tx_op_limit */
1824 };
1825 
1826 
1827 static void rtl8192_update_beacon(struct work_struct *work)
1828 {
1829         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1830                                                update_beacon_wq.work);
1831         struct net_device *dev = priv->ieee80211->dev;
1832         struct ieee80211_device *ieee = priv->ieee80211;
1833         struct ieee80211_network *net = &ieee->current_network;
1834 
1835         if (ieee->pHTInfo->bCurrentHTSupport)
1836                 HTUpdateSelfAndPeerSetting(ieee, net);
1837         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1838                 net->bssht.bdRT2RTLongSlotTime;
1839         rtl8192_update_cap(dev, net->capability);
1840 }
1841 
1842 /*
1843 * background support to run QoS activate functionality
1844 */
1845 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1846                              EDCAPARA_VI, EDCAPARA_VO};
1847 static void rtl8192_qos_activate(struct work_struct *work)
1848 {
1849         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1850                                                qos_activate);
1851         struct net_device *dev = priv->ieee80211->dev;
1852         struct ieee80211_qos_parameters *qos_parameters =
1853                 &priv->ieee80211->current_network.qos_data.parameters;
1854         u8 mode = priv->ieee80211->current_network.mode;
1855         u32  u1bAIFS;
1856         u32 u4bAcParam;
1857         u32 op_limit;
1858         u32 cw_max;
1859         u32 cw_min;
1860         int i;
1861 
1862         mutex_lock(&priv->mutex);
1863         if (priv->ieee80211->state != IEEE80211_LINKED)
1864                 goto success;
1865         RT_TRACE(COMP_QOS,
1866                  "qos active process with associate response received\n");
1867         /* It better set slot time at first
1868          *
1869          * For we just support b/g mode at present, let the slot time at
1870          * 9/20 selection
1871          *
1872          * update the ac parameter to related registers
1873          */
1874         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1875                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1876                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1877                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1878                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1879                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1880                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1881                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1882                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1883                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1884                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1885                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1886         }
1887 
1888 success:
1889         mutex_unlock(&priv->mutex);
1890 }
1891 
1892 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1893                                              int active_network,
1894                                              struct ieee80211_network *network)
1895 {
1896         int ret = 0;
1897         u32 size = sizeof(struct ieee80211_qos_parameters);
1898 
1899         if (priv->ieee80211->state != IEEE80211_LINKED)
1900                 return ret;
1901 
1902         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1903                 return ret;
1904 
1905         if (network->flags & NETWORK_HAS_QOS_MASK) {
1906                 if (active_network &&
1907                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1908                         network->qos_data.active = network->qos_data.supported;
1909 
1910                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1911                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1912                     (network->qos_data.old_param_count !=
1913                      network->qos_data.param_count)) {
1914                         network->qos_data.old_param_count =
1915                                 network->qos_data.param_count;
1916                         schedule_work(&priv->qos_activate);
1917                         RT_TRACE(COMP_QOS,
1918                                  "QoS parameters change call qos_activate\n");
1919                 }
1920         } else {
1921                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1922                        &def_qos_parameters, size);
1923 
1924                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1925                         schedule_work(&priv->qos_activate);
1926                         RT_TRACE(COMP_QOS,
1927                                  "QoS was disabled call qos_activate\n");
1928                 }
1929                 network->qos_data.active = 0;
1930                 network->qos_data.supported = 0;
1931         }
1932 
1933         return 0;
1934 }
1935 
1936 /* handle and manage frame from beacon and probe response */
1937 static int rtl8192_handle_beacon(struct net_device *dev,
1938                                  struct ieee80211_beacon *beacon,
1939                                  struct ieee80211_network *network)
1940 {
1941         struct r8192_priv *priv = ieee80211_priv(dev);
1942 
1943         rtl8192_qos_handle_probe_response(priv, 1, network);
1944         schedule_delayed_work(&priv->update_beacon_wq, 0);
1945         return 0;
1946 }
1947 
1948 /*
1949 * handling the beaconing responses. if we get different QoS setting
1950 * off the network from the associated setting, adjust the QoS
1951 * setting
1952 */
1953 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1954                                         struct ieee80211_network *network)
1955 {
1956         unsigned long flags;
1957         u32 size = sizeof(struct ieee80211_qos_parameters);
1958         int set_qos_param = 0;
1959 
1960         if (!priv || !network)
1961                 return 0;
1962 
1963         if (priv->ieee80211->state != IEEE80211_LINKED)
1964                 return 0;
1965 
1966         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1967                 return 0;
1968 
1969         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1970         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1971                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1972                        &network->qos_data.parameters,
1973                        sizeof(struct ieee80211_qos_parameters));
1974                 priv->ieee80211->current_network.qos_data.active = 1;
1975                 set_qos_param = 1;
1976                 /* update qos parameter for current network */
1977                 priv->ieee80211->current_network.qos_data.old_param_count =
1978                         priv->ieee80211->current_network.qos_data.param_count;
1979                 priv->ieee80211->current_network.qos_data.param_count =
1980                         network->qos_data.param_count;
1981         } else {
1982                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1983                        &def_qos_parameters, size);
1984                 priv->ieee80211->current_network.qos_data.active = 0;
1985                 priv->ieee80211->current_network.qos_data.supported = 0;
1986                 set_qos_param = 1;
1987         }
1988 
1989         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1990 
1991         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1992                  network->flags,
1993                  priv->ieee80211->current_network.qos_data.active);
1994         if (set_qos_param == 1)
1995                 schedule_work(&priv->qos_activate);
1996 
1997 
1998         return 0;
1999 }
2000 
2001 
2002 static int rtl8192_handle_assoc_response(
2003                 struct net_device *dev,
2004                 struct ieee80211_assoc_response_frame *resp,
2005                 struct ieee80211_network *network)
2006 {
2007         struct r8192_priv *priv = ieee80211_priv(dev);
2008 
2009         rtl8192_qos_association_resp(priv, network);
2010         return 0;
2011 }
2012 
2013 
2014 static void rtl8192_update_ratr_table(struct net_device *dev)
2015 {
2016         struct r8192_priv *priv = ieee80211_priv(dev);
2017         struct ieee80211_device *ieee = priv->ieee80211;
2018         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2019         u32 ratr_value = 0;
2020         u8 rate_index = 0;
2021 
2022         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2023         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2024         switch (ieee->mode) {
2025         case IEEE_A:
2026                 ratr_value &= 0x00000FF0;
2027                 break;
2028         case IEEE_B:
2029                 ratr_value &= 0x0000000F;
2030                 break;
2031         case IEEE_G:
2032                 ratr_value &= 0x00000FF7;
2033                 break;
2034         case IEEE_N_24G:
2035         case IEEE_N_5G:
2036                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2037                         ratr_value &= 0x0007F007;
2038                 } else {
2039                         if (priv->rf_type == RF_1T2R)
2040                                 ratr_value &= 0x000FF007;
2041                         else
2042                                 ratr_value &= 0x0F81F007;
2043                 }
2044                 break;
2045         default:
2046                 break;
2047         }
2048         ratr_value &= 0x0FFFFFFF;
2049         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2050                 ratr_value |= 0x80000000;
2051         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2052                  ieee->pHTInfo->bCurShortGI20MHz)
2053                 ratr_value |= 0x80000000;
2054         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2055         write_nic_byte(dev, UFWP, 1);
2056 }
2057 
2058 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2059 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2060 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2061 {
2062         struct r8192_priv *priv = ieee80211_priv(dev);
2063         struct ieee80211_device *ieee = priv->ieee80211;
2064         struct ieee80211_network *network = &ieee->current_network;
2065         int wpa_ie_len = ieee->wpa_ie_len;
2066         struct ieee80211_crypt_data *crypt;
2067         int encrypt;
2068 
2069         crypt = ieee->crypt[ieee->tx_keyidx];
2070         /* we use connecting AP's capability instead of only security config
2071          * on our driver to distinguish whether it should use N mode or G mode
2072          */
2073         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2074                   (ieee->host_encrypt && crypt && crypt->ops &&
2075                    (0 == strcmp(crypt->ops->name, "WEP")));
2076 
2077         /* simply judge  */
2078         if (encrypt && (wpa_ie_len == 0)) {
2079                 /* wep encryption, no N mode setting */
2080                 return false;
2081         } else if ((wpa_ie_len != 0)) {
2082                 /* parse pairwise key type */
2083                 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))))
2084                         return true;
2085                 else
2086                         return false;
2087         } else {
2088                 return true;
2089         }
2090 
2091         return true;
2092 }
2093 
2094 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2095 {
2096         struct r8192_priv *priv = ieee80211_priv(dev);
2097 
2098         return priv->ieee80211->bHalfWirelessN24GMode;
2099 }
2100 
2101 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2102 {
2103         struct ieee80211_device *ieee = priv->ieee80211;
2104         /* We do not consider set support rate for ABG mode, only
2105          * HT MCS rate is set here.
2106          */
2107         if (ieee->mode == WIRELESS_MODE_N_24G ||
2108             ieee->mode == WIRELESS_MODE_N_5G)
2109                 memcpy(ieee->Regdot11HTOperationalRateSet,
2110                        ieee->RegHTSuppRateSet, 16);
2111         else
2112                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2113 }
2114 
2115 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2116 {
2117         struct r8192_priv *priv = ieee80211_priv(dev);
2118         u8 ret = 0;
2119 
2120         switch (priv->rf_chip) {
2121         case RF_8225:
2122         case RF_8256:
2123         case RF_PSEUDO_11N:
2124                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2125                 break;
2126         case RF_8258:
2127                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2128                 break;
2129         default:
2130                 ret = WIRELESS_MODE_B;
2131                 break;
2132         }
2133         return ret;
2134 }
2135 
2136 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2137 {
2138         struct r8192_priv *priv = ieee80211_priv(dev);
2139         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2140 
2141         if (wireless_mode == WIRELESS_MODE_AUTO ||
2142             (wireless_mode & bSupportMode) == 0) {
2143                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2144                         wireless_mode = WIRELESS_MODE_N_24G;
2145                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2146                         wireless_mode = WIRELESS_MODE_N_5G;
2147                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2148                         wireless_mode = WIRELESS_MODE_A;
2149                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2150                         wireless_mode = WIRELESS_MODE_G;
2151                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2152                         wireless_mode = WIRELESS_MODE_B;
2153                 } else {
2154                         RT_TRACE(COMP_ERR,
2155                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2156                                  __func__, bSupportMode);
2157                         wireless_mode = WIRELESS_MODE_B;
2158                 }
2159         }
2160 #ifdef TO_DO_LIST
2161         /* TODO: this function doesn't work well at this time,
2162          * we should wait for FPGA
2163          */
2164         ActUpdateChannelAccessSetting(
2165                         pAdapter, pHalData->CurrentWirelessMode,
2166                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2167 #endif
2168         priv->ieee80211->mode = wireless_mode;
2169 
2170         if (wireless_mode == WIRELESS_MODE_N_24G ||
2171             wireless_mode == WIRELESS_MODE_N_5G)
2172                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2173         else
2174                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2175         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2176         rtl8192_refresh_supportrate(priv);
2177 }
2178 
2179 /* init priv variables here. only non_zero value should be initialized here. */
2180 static void rtl8192_init_priv_variable(struct net_device *dev)
2181 {
2182         struct r8192_priv *priv = ieee80211_priv(dev);
2183         u8 i;
2184 
2185         priv->card_8192 = NIC_8192U;
2186         priv->chan = 1; /* set to channel 1 */
2187         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2188         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2189         priv->ieee80211->ieee_up = 0;
2190         priv->retry_rts = DEFAULT_RETRY_RTS;
2191         priv->retry_data = DEFAULT_RETRY_DATA;
2192         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2193         priv->ieee80211->rate = 110; /* 11 mbps */
2194         priv->ieee80211->short_slot = 1;
2195         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2196         priv->CckPwEnl = 6;
2197         /* for silent reset */
2198         priv->IrpPendingCount = 1;
2199         priv->ResetProgress = RESET_TYPE_NORESET;
2200         priv->bForcedSilentReset = false;
2201         priv->bDisableNormalResetCheck = false;
2202         priv->force_reset = false;
2203 
2204         /* we don't use FW read/write RF until stable firmware is available. */
2205         priv->ieee80211->FwRWRF = 0;
2206         priv->ieee80211->current_network.beacon_interval =
2207                 DEFAULT_BEACONINTERVAL;
2208         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2209                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2210                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2211                 IEEE_SOFTMAC_BEACONS;
2212 
2213         priv->ieee80211->active_scan = 1;
2214         priv->ieee80211->modulation =
2215                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2216         priv->ieee80211->host_encrypt = 1;
2217         priv->ieee80211->host_decrypt = 1;
2218         priv->ieee80211->start_send_beacons = NULL;
2219         priv->ieee80211->stop_send_beacons = NULL;
2220         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2221         priv->ieee80211->set_chan = rtl8192_set_chan;
2222         priv->ieee80211->link_change = rtl8192_link_change;
2223         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2224         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2225         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2226         priv->ieee80211->init_wmmparam_flag = 0;
2227         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2228         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2229         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2230         priv->ieee80211->qos_support = 1;
2231 
2232         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2233         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2234         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2235 
2236         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2237         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2238                 GetHalfNmodeSupportByAPs819xUsb;
2239         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2240 
2241         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2242         priv->card_type = USB;
2243 #ifdef TO_DO_LIST
2244         if (Adapter->bInHctTest) {
2245                 pHalData->ShortRetryLimit = 7;
2246                 pHalData->LongRetryLimit = 7;
2247         }
2248 #endif
2249         priv->ShortRetryLimit = 0x30;
2250         priv->LongRetryLimit = 0x30;
2251         priv->EarlyRxThreshold = 7;
2252         priv->enable_gpio0 = 0;
2253         priv->TransmitConfig =
2254                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2255                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2256                 /* Short retry limit */
2257                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2258                 /* Long retry limit */
2259                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2260                 /* FALSE: HW provides PLCP length and LENGEXT
2261                  * TRUE: SW provides them
2262                  */
2263                 (false ? TCR_SAT : 0);
2264 #ifdef TO_DO_LIST
2265         if (Adapter->bInHctTest)
2266                 pHalData->ReceiveConfig =
2267                         pHalData->CSMethod |
2268                         /* accept management/data */
2269                         RCR_AMF | RCR_ADF |
2270                         /* accept control frame for SW
2271                          * AP needs PS-poll
2272                          */
2273                         RCR_ACF |
2274                         /* accept BC/MC/UC */
2275                         RCR_AB | RCR_AM | RCR_APM |
2276                         /* accept ICV/CRC error
2277                          * packet
2278                          */
2279                         RCR_AICV | RCR_ACRC32 |
2280                         /* Max DMA Burst Size per Tx
2281                          * DMA Burst, 7: unlimited.
2282                          */
2283                         ((u32)7 << RCR_MXDMA_OFFSET) |
2284                         /* Rx FIFO Threshold,
2285                          * 7: No Rx threshold.
2286                          */
2287                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2288                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2289         else
2290 
2291 #endif
2292         priv->ReceiveConfig     =
2293                 /* accept management/data */
2294                 RCR_AMF | RCR_ADF |
2295                 /* accept control frame for SW AP needs PS-poll */
2296                 RCR_ACF |
2297                 /* accept BC/MC/UC */
2298                 RCR_AB | RCR_AM | RCR_APM |
2299                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2300                 ((u32)7 << RCR_MXDMA_OFFSET) |
2301                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2302                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2303                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2304 
2305         priv->AcmControl = 0;
2306         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2307 
2308         /* rx related queue */
2309         skb_queue_head_init(&priv->rx_queue);
2310         skb_queue_head_init(&priv->skb_queue);
2311 
2312         /* Tx related queue */
2313         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2314                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2315         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2316                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2317         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2318                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2319         priv->rf_set_chan = rtl8192_phy_SwChnl;
2320 }
2321 
2322 /* init lock here */
2323 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2324 {
2325         spin_lock_init(&priv->tx_lock);
2326         spin_lock_init(&priv->irq_lock);
2327         mutex_init(&priv->wx_mutex);
2328         mutex_init(&priv->mutex);
2329 }
2330 
2331 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2332 
2333 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2334 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2335 #define DRV_NAME "wlan0"
2336 static void rtl8192_init_priv_task(struct net_device *dev)
2337 {
2338         struct r8192_priv *priv = ieee80211_priv(dev);
2339 
2340 
2341         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2342 
2343         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2344                           rtl819x_watchdog_wqcallback);
2345         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2346                           dm_txpower_trackingcallback);
2347         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2348                           dm_rf_pathcheck_workitemcallback);
2349         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2350                           rtl8192_update_beacon);
2351         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2352                           InitialGainOperateWorkItemCallBack);
2353         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2354 
2355         tasklet_init(&priv->irq_rx_tasklet,
2356                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2357                      (unsigned long)priv);
2358 }
2359 
2360 static void rtl8192_get_eeprom_size(struct net_device *dev)
2361 {
2362         u16 curCR = 0;
2363         struct r8192_priv *priv = ieee80211_priv(dev);
2364 
2365         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2366         read_nic_word_E(dev, EPROM_CMD, &curCR);
2367         RT_TRACE(COMP_EPROM,
2368                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2369         /* whether need I consider BIT(5?) */
2370         priv->epromtype =
2371                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2372         RT_TRACE(COMP_EPROM,
2373                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2374 }
2375 
2376 /* used to swap endian. as ntohl & htonl are not necessary
2377  * to swap endian, so use this instead.
2378  */
2379 static inline u16 endian_swap(u16 *data)
2380 {
2381         u16 tmp = *data;
2382         *data = (tmp >> 8) | (tmp << 8);
2383         return *data;
2384 }
2385 
2386 static int rtl8192_read_eeprom_info(struct net_device *dev)
2387 {
2388         u16 wEPROM_ID = 0;
2389         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2390         u8 bLoad_From_EEPOM = false;
2391         struct r8192_priv *priv = ieee80211_priv(dev);
2392         u16 tmpValue = 0;
2393         int i;
2394         int ret;
2395 
2396         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2397         ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2398         if (ret < 0)
2399                 return ret;
2400         wEPROM_ID = (u16)ret;
2401         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2402 
2403         if (wEPROM_ID != RTL8190_EEPROM_ID)
2404                 RT_TRACE(COMP_ERR,
2405                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2406                          wEPROM_ID, RTL8190_EEPROM_ID);
2407         else
2408                 bLoad_From_EEPOM = true;
2409 
2410         if (bLoad_From_EEPOM) {
2411                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2412                 ret = eprom_read(dev, EEPROM_VID >> 1);
2413                 if (ret < 0)
2414                         return ret;
2415                 tmpValue = (u16)ret;
2416                 priv->eeprom_vid = endian_swap(&tmpValue);
2417                 ret = eprom_read(dev, EEPROM_PID >> 1);
2418                 if (ret < 0)
2419                         return ret;
2420                 priv->eeprom_pid = (u16)ret;
2421                 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2422                 if (ret < 0)
2423                         return ret;
2424                 tmpValue = (u16)ret;
2425                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2426                 priv->btxpowerdata_readfromEEPORM = true;
2427                 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2428                 if (ret < 0)
2429                         return ret;
2430                 priv->eeprom_CustomerID = (u16)ret;
2431         } else {
2432                 priv->eeprom_vid = 0;
2433                 priv->eeprom_pid = 0;
2434                 priv->card_8192_version = VERSION_819xU_B;
2435                 priv->eeprom_ChannelPlan = 0;
2436                 priv->eeprom_CustomerID = 0;
2437         }
2438         RT_TRACE(COMP_EPROM,
2439                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2440                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2441                  priv->eeprom_ChannelPlan);
2442         /* set channelplan from eeprom */
2443         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2444         if (bLoad_From_EEPOM) {
2445                 int i;
2446 
2447                 for (i = 0; i < 6; i += 2) {
2448                         ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2449                         if (ret < 0)
2450                                 return ret;
2451                         *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2452                 }
2453         } else {
2454                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2455                 /* should I set IDR0 here? */
2456         }
2457         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2458         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2459         priv->rf_chip = RF_8256;
2460 
2461         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2462                 /* read Tx power gain offset of legacy OFDM to HT rate */
2463                 if (bLoad_From_EEPOM) {
2464                         ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2465                         if (ret < 0)
2466                                 return ret;
2467                         priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2468                 } else
2469                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2470                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2471                 /* read ThermalMeter from EEPROM */
2472                 if (bLoad_From_EEPOM) {
2473                         ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2474                         if (ret < 0)
2475                                 return ret;
2476                         priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2477                 } else
2478                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2479                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2480                 /* for tx power track */
2481                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2482                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2483                 if (bLoad_From_EEPOM) {
2484                         ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2485                         if (ret < 0)
2486                                 return ret;
2487                         priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2488                 } else
2489                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2490                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2491                 /* Read CrystalCap from EEPROM */
2492                 if (bLoad_From_EEPOM) {
2493                         ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2494                         if (ret < 0)
2495                                 return ret;
2496                         priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2497                 } else
2498                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2499                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2500                 /* get per-channel Tx power level */
2501                 if (bLoad_From_EEPOM) {
2502                         ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2503                         if (ret < 0)
2504                                 return ret;
2505                         priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2506                 } else
2507                         priv->EEPROM_Def_Ver = 1;
2508                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2509                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2510                         int i;
2511 
2512                         if (bLoad_From_EEPOM) {
2513                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2514                                 if (ret < 0)
2515                                         return ret;
2516                                 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
2517                         } else
2518                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2519                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2520                         for (i = 0; i < 3; i++) {
2521                                 if (bLoad_From_EEPOM) {
2522                                         ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2523                                         if ( ret < 0)
2524                                                 return ret;
2525                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2526                                                 tmpValue = (u16)ret & 0x00ff;
2527                                         else
2528                                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2529                                 } else {
2530                                         tmpValue = 0x10;
2531                                 }
2532                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2533                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2534                         }
2535                 } else if (priv->EEPROM_Def_Ver == 1) {
2536                         if (bLoad_From_EEPOM) {
2537                                 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2538                                 if (ret < 0)
2539                                         return ret;
2540                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2541                         } else {
2542                                 tmpValue = 0x10;
2543                         }
2544                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2545 
2546                         if (bLoad_From_EEPOM) {
2547                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2548                                 if (ret < 0)
2549                                         return ret;
2550                                 tmpValue = (u16)ret;
2551                         } else
2552                                 tmpValue = 0x1010;
2553                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2554                         if (bLoad_From_EEPOM)
2555                                 tmpValue = eprom_read(dev,
2556                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2557                         else
2558                                 tmpValue = 0x1010;
2559                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2560                         if (bLoad_From_EEPOM)
2561                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2562                         else
2563                                 tmpValue = 0x10;
2564                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2565                 } /* endif EEPROM_Def_Ver == 1 */
2566 
2567                 /* update HAL variables */
2568                 for (i = 0; i < 14; i++) {
2569                         if (i <= 3)
2570                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2571                         else if (i >= 4 && i <= 9)
2572                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2573                         else
2574                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2575                 }
2576 
2577                 for (i = 0; i < 14; i++) {
2578                         if (priv->EEPROM_Def_Ver == 0) {
2579                                 if (i <= 3)
2580                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2581                                 else if (i >= 4 && i <= 9)
2582                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2583                                 else
2584                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2585                         } else if (priv->EEPROM_Def_Ver == 1) {
2586                                 if (i <= 3)
2587                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2588                                 else if (i >= 4 && i <= 9)
2589                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2590                                 else
2591                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2592                         }
2593                 }
2594                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2595                 /* Antenna B gain offset to antenna A, bit0~3 */
2596                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2597                 /* Antenna C gain offset to antenna A, bit4~7 */
2598                 priv->AntennaTxPwDiff[1] =
2599                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2600                 /* CrystalCap, bit12~15 */
2601                 priv->CrystalCap = priv->EEPROMCrystalCap;
2602                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2603                  * 92U does not enable TX power tracking.
2604                  */
2605                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2606         } /* end if VersionID == VERSION_819xU_A */
2607 
2608         /* for dlink led */
2609         switch (priv->eeprom_CustomerID) {
2610         case EEPROM_CID_RUNTOP:
2611                 priv->CustomerID = RT_CID_819x_RUNTOP;
2612                 break;
2613 
2614         case EEPROM_CID_DLINK:
2615                 priv->CustomerID = RT_CID_DLINK;
2616                 break;
2617 
2618         default:
2619                 priv->CustomerID = RT_CID_DEFAULT;
2620                 break;
2621         }
2622 
2623         switch (priv->CustomerID) {
2624         case RT_CID_819x_RUNTOP:
2625                 priv->LedStrategy = SW_LED_MODE2;
2626                 break;
2627 
2628         case RT_CID_DLINK:
2629                 priv->LedStrategy = SW_LED_MODE4;
2630                 break;
2631 
2632         default:
2633                 priv->LedStrategy = SW_LED_MODE0;
2634                 break;
2635         }
2636 
2637 
2638         if (priv->rf_type == RF_1T2R)
2639                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2640         else
2641                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2642 
2643         /* We can only know RF type in the function. So we have to init
2644          * DIG RATR table again.
2645          */
2646         init_rate_adaptive(dev);
2647 
2648         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2649 
2650         return 0;
2651 }
2652 
2653 static short rtl8192_get_channel_map(struct net_device *dev)
2654 {
2655         struct r8192_priv *priv = ieee80211_priv(dev);
2656 
2657         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2658                 netdev_err(dev,
2659                            "rtl8180_init: Error channel plan! Set to default.\n");
2660                 priv->ChannelPlan = 0;
2661         }
2662         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2663 
2664         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2665         return 0;
2666 }
2667 
2668 static short rtl8192_init(struct net_device *dev)
2669 {
2670         struct r8192_priv *priv = ieee80211_priv(dev);
2671         int err;
2672 
2673         memset(&(priv->stats), 0, sizeof(struct Stats));
2674         memset(priv->txqueue_to_outpipemap, 0, 9);
2675 #ifdef PIPE12
2676         {
2677                 int i = 0;
2678                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2679 
2680                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2681         }
2682 #else
2683         {
2684                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2685 
2686                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2687         }
2688 #endif
2689         rtl8192_init_priv_variable(dev);
2690         rtl8192_init_priv_lock(priv);
2691         rtl8192_init_priv_task(dev);
2692         rtl8192_get_eeprom_size(dev);
2693         err = rtl8192_read_eeprom_info(dev);
2694         if (err) {
2695                 DMESG("Reading EEPROM info failed");
2696                 kfree(priv->pFirmware);
2697                 priv->pFirmware = NULL;
2698                 free_ieee80211(dev);
2699                 return err;
2700         }
2701         rtl8192_get_channel_map(dev);
2702         init_hal_dm(dev);
2703         setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback,
2704                     (unsigned long)dev);
2705         if (rtl8192_usb_initendpoints(dev) != 0) {
2706                 DMESG("Endopoints initialization failed");
2707                 return -ENOMEM;
2708         }
2709 
2710         return 0;
2711 }
2712 
2713 /******************************************************************************
2714  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2715  *           not to do all the hw config as its name says
2716  *   input:  net_device dev
2717  *  output:  none
2718  *  return:  none
2719  *  notice:  This part need to modified according to the rate set we filtered
2720  * ****************************************************************************/
2721 static void rtl8192_hwconfig(struct net_device *dev)
2722 {
2723         u32 regRATR = 0, regRRSR = 0;
2724         u8 regBwOpMode = 0, regTmp = 0;
2725         struct r8192_priv *priv = ieee80211_priv(dev);
2726         u32 ratr_value = 0;
2727 
2728         /* Set RRSR, RATR, and BW_OPMODE registers */
2729         switch (priv->ieee80211->mode) {
2730         case WIRELESS_MODE_B:
2731                 regBwOpMode = BW_OPMODE_20MHZ;
2732                 regRATR = RATE_ALL_CCK;
2733                 regRRSR = RATE_ALL_CCK;
2734                 break;
2735         case WIRELESS_MODE_A:
2736                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2737                 regRATR = RATE_ALL_OFDM_AG;
2738                 regRRSR = RATE_ALL_OFDM_AG;
2739                 break;
2740         case WIRELESS_MODE_G:
2741                 regBwOpMode = BW_OPMODE_20MHZ;
2742                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2743                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2744                 break;
2745         case WIRELESS_MODE_AUTO:
2746 #ifdef TO_DO_LIST
2747                 if (Adapter->bInHctTest) {
2748                         regBwOpMode = BW_OPMODE_20MHZ;
2749                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2750                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2751                 } else
2752 #endif
2753                 {
2754                         regBwOpMode = BW_OPMODE_20MHZ;
2755                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2756                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2757                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2758                 }
2759                 break;
2760         case WIRELESS_MODE_N_24G:
2761                 /* It support CCK rate by default. CCK rate will be filtered
2762                  * out only when associated AP does not support it.
2763                  */
2764                 regBwOpMode = BW_OPMODE_20MHZ;
2765                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2766                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2767                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2768                 break;
2769         case WIRELESS_MODE_N_5G:
2770                 regBwOpMode = BW_OPMODE_5G;
2771                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2772                           RATE_ALL_OFDM_2SS;
2773                 regRRSR = RATE_ALL_OFDM_AG;
2774                 break;
2775         }
2776 
2777         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2778         ratr_value = regRATR;
2779         if (priv->rf_type == RF_1T2R)
2780                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2781         write_nic_dword(dev, RATR0, ratr_value);
2782         write_nic_byte(dev, UFWP, 1);
2783         read_nic_byte(dev, 0x313, &regTmp);
2784         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2785         write_nic_dword(dev, RRSR, regRRSR);
2786 
2787         /* Set Retry Limit here */
2788         write_nic_word(dev, RETRY_LIMIT,
2789                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2790                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2791         /* Set Contention Window here */
2792 
2793         /* Set Tx AGC */
2794 
2795         /* Set Tx Antenna including Feedback control */
2796 
2797         /* Set Auto Rate fallback control */
2798 }
2799 
2800 
2801 /* InitializeAdapter and PhyCfg */
2802 static bool rtl8192_adapter_start(struct net_device *dev)
2803 {
2804         struct r8192_priv *priv = ieee80211_priv(dev);
2805         u32 dwRegRead = 0;
2806         bool init_status = true;
2807         u8 SECR_value = 0x0;
2808         u8 tmp;
2809 
2810         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2811         priv->Rf_Mode = RF_OP_By_SW_3wire;
2812         /* for ASIC power on sequence */
2813         write_nic_byte_E(dev, 0x5f, 0x80);
2814         mdelay(50);
2815         write_nic_byte_E(dev, 0x5f, 0xf0);
2816         write_nic_byte_E(dev, 0x5d, 0x00);
2817         write_nic_byte_E(dev, 0x5e, 0x80);
2818         write_nic_byte(dev, 0x17, 0x37);
2819         mdelay(10);
2820         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2821         /* config CPUReset Register */
2822         /* Firmware Reset or not? */
2823         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2824         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2825                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2826         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2827                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2828         else
2829                 RT_TRACE(COMP_ERR,
2830                          "ERROR in %s(): undefined firmware state(%d)\n",
2831                          __func__,   priv->pFirmware->firmware_status);
2832 
2833         write_nic_dword(dev, CPU_GEN, dwRegRead);
2834         /* config BB. */
2835         rtl8192_BBConfig(dev);
2836 
2837         /* Loopback mode or not */
2838         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2839 
2840         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2841         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2842                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2843                             CPU_GEN_NO_LOOPBACK_SET;
2844         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2845                 dwRegRead |= CPU_CCK_LOOPBACK;
2846         else
2847                 RT_TRACE(COMP_ERR,
2848                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2849                          __func__,  priv->LoopbackMode);
2850 
2851         write_nic_dword(dev, CPU_GEN, dwRegRead);
2852 
2853         /* after reset cpu, we need wait for a seconds to write in register. */
2854         udelay(500);
2855 
2856         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2857         read_nic_byte_E(dev, 0x5f, &tmp);
2858         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2859 
2860         /* Set Hardware */
2861         rtl8192_hwconfig(dev);
2862 
2863         /* turn on Tx/Rx */
2864         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2865 
2866         /* set IDR0 here */
2867         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2868         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2869 
2870         /* set RCR */
2871         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2872 
2873         /* Initialize Number of Reserved Pages in Firmware Queue */
2874         write_nic_dword(dev, RQPN1,
2875                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2876                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2877                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2878                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2879         write_nic_dword(dev, RQPN2,
2880                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2881                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2882         write_nic_dword(dev, RQPN3,
2883                 APPLIED_RESERVED_QUEUE_IN_FW |
2884                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2885         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2886 
2887         /* Set AckTimeout */
2888         /* TODO: (it value is only for FPGA version). need to be changed!! */
2889         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2890 
2891         if (priv->ResetProgress == RESET_TYPE_NORESET)
2892                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2893         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2894                 CamResetAllEntry(dev);
2895                 SECR_value |= SCR_TxEncEnable;
2896                 SECR_value |= SCR_RxDecEnable;
2897                 SECR_value |= SCR_NoSKMC;
2898                 write_nic_byte(dev, SECR, SECR_value);
2899         }
2900 
2901         /* Beacon related */
2902         write_nic_word(dev, ATIMWND, 2);
2903         write_nic_word(dev, BCN_INTERVAL, 100);
2904 
2905 #define DEFAULT_EDCA 0x005e4332
2906         {
2907                 int i;
2908 
2909                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2910                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2911         }
2912 
2913         rtl8192_phy_configmac(dev);
2914 
2915         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2916                 rtl8192_phy_getTxPower(dev);
2917                 rtl8192_phy_setTxPower(dev, priv->chan);
2918         }
2919 
2920         /* Firmware download */
2921         init_status = init_firmware(dev);
2922         if (!init_status) {
2923                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2924                          __func__);
2925                 return init_status;
2926         }
2927         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2928 
2929 #ifdef TO_DO_LIST
2930         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2931                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2932                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2933                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2934                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2935                         /* Those actions will be discard in MgntActSet_RF_State
2936                          * because of the same state
2937                          */
2938                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2939                                 PHY_SetRFReg(Adapter,
2940                                              (RF90_RADIO_PATH_E)eRFPath,
2941                                              0x4, 0xC00, 0x0);
2942                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2943                         /* H/W or S/W RF OFF before sleep. */
2944                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2945                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2946                                   pMgntInfo->RfOffReason));
2947                         MgntActSet_RF_State(Adapter,
2948                                             eRfOff,
2949                                             pMgntInfo->RfOffReason);
2950                 } else {
2951                         pHalData->eRFPowerState = eRfOn;
2952                         pMgntInfo->RfOffReason = 0;
2953                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2954                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2955                 }
2956         } else {
2957                 if (pHalData->eRFPowerState == eRfOff) {
2958                         MgntActSet_RF_State(Adapter,
2959                                             eRfOff,
2960                                             pMgntInfo->RfOffReason);
2961                         /* Those actions will be discard in MgntActSet_RF_State
2962                          * because of the same state
2963                          */
2964                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2965                                 PHY_SetRFReg(Adapter,
2966                                              (RF90_RADIO_PATH_E)eRFPath,
2967                                              0x4, 0xC00, 0x0);
2968                 }
2969         }
2970 #endif
2971         /* config RF. */
2972         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2973                 rtl8192_phy_RFConfig(dev);
2974                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2975         }
2976 
2977 
2978         if (priv->ieee80211->FwRWRF)
2979                 /* We can force firmware to do RF-R/W */
2980                 priv->Rf_Mode = RF_OP_By_FW;
2981         else
2982                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2983 
2984 
2985         rtl8192_phy_updateInitGain(dev);
2986         /*--set CCK and OFDM Block "ON"--*/
2987         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2988         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2989 
2990         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2991                 /* if D or C cut */
2992                 u8 tmpvalue;
2993 
2994                 read_nic_byte(dev, 0x301, &tmpvalue);
2995                 if (tmpvalue == 0x03) {
2996                         priv->bDcut = true;
2997                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2998                 } else {
2999                         priv->bDcut = false;
3000                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3001                 }
3002                 dm_initialize_txpower_tracking(dev);
3003 
3004                 if (priv->bDcut) {
3005                         u32 i, TempCCk;
3006                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
3007                                                          rOFDM0_XATxIQImbalance,
3008                                                          bMaskDWord);
3009 
3010                         for (i = 0; i < TxBBGainTableLength; i++) {
3011                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3012                                         priv->rfa_txpowertrackingindex = (u8)i;
3013                                         priv->rfa_txpowertrackingindex_real =
3014                                                 (u8)i;
3015                                         priv->rfa_txpowertracking_default =
3016                                                 priv->rfa_txpowertrackingindex;
3017                                         break;
3018                                 }
3019                         }
3020 
3021                         TempCCk = rtl8192_QueryBBReg(dev,
3022                                                      rCCK0_TxFilter1,
3023                                                      bMaskByte2);
3024 
3025                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
3026                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3027                                         priv->cck_present_attentuation_20Mdefault = (u8)i;
3028                                         break;
3029                                 }
3030                         }
3031                         priv->cck_present_attentuation_40Mdefault = 0;
3032                         priv->cck_present_attentuation_difference = 0;
3033                         priv->cck_present_attentuation =
3034                                 priv->cck_present_attentuation_20Mdefault;
3035                 }
3036         }
3037         write_nic_byte(dev, 0x87, 0x0);
3038 
3039 
3040         return init_status;
3041 }
3042 
3043 /* this configures registers for beacon tx and enables it via
3044  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3045  * be used to stop beacon transmission
3046  */
3047 /***************************************************************************
3048     -------------------------------NET STUFF---------------------------
3049 ***************************************************************************/
3050 
3051 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3052 {
3053         struct r8192_priv *priv = ieee80211_priv(dev);
3054 
3055         return &priv->ieee80211->stats;
3056 }
3057 
3058 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3059 {
3060         struct r8192_priv *priv = ieee80211_priv(dev);
3061         u16             RegTxCounter;
3062         bool            bStuck = false;
3063 
3064         read_nic_word(dev, 0x128, &RegTxCounter);
3065         RT_TRACE(COMP_RESET,
3066                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3067                  RegTxCounter, priv->TxCounter);
3068         if (priv->TxCounter == RegTxCounter)
3069                 bStuck = true;
3070 
3071         priv->TxCounter = RegTxCounter;
3072 
3073         return bStuck;
3074 }
3075 
3076 /*
3077 *       <Assumption: RT_TX_SPINLOCK is acquired.>
3078 *       First added: 2006.11.19 by emily
3079 */
3080 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3081 {
3082         struct r8192_priv *priv = ieee80211_priv(dev);
3083         u8                      QueueID;
3084         bool                    bCheckFwTxCnt = false;
3085 
3086         /* Decide such threshold according to current power save mode */
3087 
3088         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3089                 if (QueueID == TXCMD_QUEUE)
3090                         continue;
3091                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3092                         continue;
3093 
3094                 bCheckFwTxCnt = true;
3095         }
3096         if (bCheckFwTxCnt) {
3097                 if (HalTxCheckStuck819xUsb(dev)) {
3098                         RT_TRACE(COMP_RESET,
3099                                  "TxCheckStuck(): Fw indicates no Tx condition!\n");
3100                         return RESET_TYPE_SILENT;
3101                 }
3102         }
3103         return RESET_TYPE_NORESET;
3104 }
3105 
3106 static bool HalRxCheckStuck819xUsb(struct net_device *dev)
3107 {
3108         u16     RegRxCounter;
3109         struct r8192_priv *priv = ieee80211_priv(dev);
3110         bool bStuck = false;
3111         static u8       rx_chk_cnt;
3112 
3113         read_nic_word(dev, 0x130, &RegRxCounter);
3114         RT_TRACE(COMP_RESET,
3115                  "%s(): RegRxCounter is %d,RxCounter is %d\n", __func__,
3116                  RegRxCounter, priv->RxCounter);
3117         /* If rssi is small, we should check rx for long time because of bad rx.
3118          * or maybe it will continuous silent reset every 2 seconds.
3119          */
3120         rx_chk_cnt++;
3121         if (priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High + 5)) {
3122                 rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3123         } else if (priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High + 5) &&
3124                    ((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_40M) ||
3125                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb >= RateAdaptiveTH_Low_20M))) {
3126                 if (rx_chk_cnt < 2)
3127                         return bStuck;
3128 
3129                 rx_chk_cnt = 0;
3130         } else if (((priv->CurrentChannelBW != HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_40M) ||
3131                     (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20 && priv->undecorated_smoothed_pwdb < RateAdaptiveTH_Low_20M)) &&
3132                      priv->undecorated_smoothed_pwdb >= VeryLowRSSI) {
3133                 if (rx_chk_cnt < 4)
3134                         return bStuck;
3135 
3136                 rx_chk_cnt = 0;
3137         } else {
3138                 if (rx_chk_cnt < 8)
3139                         return bStuck;
3140 
3141                 rx_chk_cnt = 0;
3142         }
3143 
3144         if (priv->RxCounter == RegRxCounter)
3145                 bStuck = true;
3146 
3147         priv->RxCounter = RegRxCounter;
3148 
3149         return bStuck;
3150 }
3151 
3152 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3153 {
3154         struct r8192_priv *priv = ieee80211_priv(dev);
3155         bool        bRxCheck = false;
3156 
3157         if (priv->IrpPendingCount > 1)
3158                 bRxCheck = true;
3159 
3160         if (bRxCheck) {
3161                 if (HalRxCheckStuck819xUsb(dev)) {
3162                         RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3163                         return RESET_TYPE_SILENT;
3164                 }
3165         }
3166         return RESET_TYPE_NORESET;
3167 }
3168 
3169 
3170 /**
3171  * This function is called by Checkforhang to check whether we should
3172  * ask OS to reset driver
3173  *
3174  * \param pAdapter      The adapter context for this miniport
3175  *
3176  * Note:NIC with USB interface sholud not call this function because we
3177  * cannot scan descriptor to judge whether there is tx stuck.
3178  * Note: This function may be required to be rewrite for Vista OS.
3179  * <<<Assumption: Tx spinlock has been acquired >>>
3180  *
3181  * 8185 and 8185b does not implement this function.
3182  */
3183 static RESET_TYPE rtl819x_ifcheck_resetornot(struct net_device *dev)
3184 {
3185         struct r8192_priv *priv = ieee80211_priv(dev);
3186         RESET_TYPE      TxResetType = RESET_TYPE_NORESET;
3187         RESET_TYPE      RxResetType = RESET_TYPE_NORESET;
3188         RT_RF_POWER_STATE       rfState;
3189 
3190         rfState = priv->ieee80211->eRFPowerState;
3191 
3192         TxResetType = TxCheckStuck(dev);
3193         if (rfState != eRfOff ||
3194             (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
3195                 /* If driver is in the status of firmware download failure,
3196                  * driver skips RF initialization and RF is in turned off
3197                  * state. Driver should check whether Rx stuck and do silent
3198                  * reset. And if driver is in firmware download failure status,
3199                  * driver should initialize RF in the following silent reset
3200                  * procedure
3201                  *
3202                  * Driver should not check RX stuck in IBSS mode because it is
3203                  * required to set Check BSSID in order to send beacon,
3204                  * however, if check BSSID is set, STA cannot hear any packet
3205                  * at all.
3206                  */
3207                 RxResetType = RxCheckStuck(dev);
3208         }
3209         if (TxResetType == RESET_TYPE_NORMAL ||
3210             RxResetType == RESET_TYPE_NORMAL) {
3211                 return RESET_TYPE_NORMAL;
3212         } else if (TxResetType == RESET_TYPE_SILENT ||
3213                    RxResetType == RESET_TYPE_SILENT) {
3214                 RT_TRACE(COMP_RESET, "%s():silent reset\n", __func__);
3215                 return RESET_TYPE_SILENT;
3216         } else {
3217                 return RESET_TYPE_NORESET;
3218         }
3219 }
3220 
3221 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv);
3222 static int _rtl8192_up(struct net_device *dev);
3223 static int rtl8192_close(struct net_device *dev);
3224 
3225 
3226 
3227 static void CamRestoreAllEntry(struct net_device *dev)
3228 {
3229         u8 EntryId = 0;
3230         struct r8192_priv *priv = ieee80211_priv(dev);
3231         u8      *MacAddr = priv->ieee80211->current_network.bssid;
3232 
3233         static u8       CAM_CONST_ADDR[4][6] = {
3234                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3235                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3236                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3237                 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03} };
3238         static u8       CAM_CONST_BROAD[] = {
3239                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3240 
3241         RT_TRACE(COMP_SEC, "CamRestoreAllEntry:\n");
3242 
3243 
3244         if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40) ||
3245             (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104)) {
3246                 for (EntryId = 0; EntryId < 4; EntryId++) {
3247                         MacAddr = CAM_CONST_ADDR[EntryId];
3248                         setKey(dev, EntryId, EntryId,
3249                                priv->ieee80211->pairwise_key_type,
3250                                MacAddr, 0, NULL);
3251                 }
3252 
3253         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP) {
3254                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3255                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3256                                (u8 *)dev->dev_addr, 0, NULL);
3257                 else
3258                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3259                                MacAddr, 0, NULL);
3260         } else if (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP) {
3261                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3262                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3263                                (u8 *)dev->dev_addr, 0, NULL);
3264                 else
3265                         setKey(dev, 4, 0, priv->ieee80211->pairwise_key_type,
3266                                MacAddr, 0, NULL);
3267         }
3268 
3269 
3270 
3271         if (priv->ieee80211->group_key_type == KEY_TYPE_TKIP) {
3272                 MacAddr = CAM_CONST_BROAD;
3273                 for (EntryId = 1; EntryId < 4; EntryId++) {
3274                         setKey(dev, EntryId, EntryId,
3275                                priv->ieee80211->group_key_type,
3276                                MacAddr, 0, NULL);
3277                 }
3278                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3279                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3280                                CAM_CONST_ADDR[0], 0, NULL);
3281         } else if (priv->ieee80211->group_key_type == KEY_TYPE_CCMP) {
3282                 MacAddr = CAM_CONST_BROAD;
3283                 for (EntryId = 1; EntryId < 4; EntryId++) {
3284                         setKey(dev, EntryId, EntryId,
3285                                priv->ieee80211->group_key_type,
3286                                MacAddr, 0, NULL);
3287                 }
3288 
3289                 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3290                         setKey(dev, 0, 0, priv->ieee80211->group_key_type,
3291                                CAM_CONST_ADDR[0], 0, NULL);
3292         }
3293 }
3294 
3295 /* This function is used to fix Tx/Rx stop bug temporarily.
3296  * This function will do "system reset" to NIC when Tx or Rx is stuck.
3297  * The method checking Tx/Rx stuck of this function is supported by FW,
3298  * which reports Tx and Rx counter to register 0x128 and 0x130.
3299  */
3300 static void rtl819x_ifsilentreset(struct net_device *dev)
3301 {
3302         struct r8192_priv *priv = ieee80211_priv(dev);
3303         u8      reset_times = 0;
3304         int reset_status = 0;
3305         struct ieee80211_device *ieee = priv->ieee80211;
3306 
3307 
3308         /* If we need to check CCK stop, please uncomment this line. */
3309         /* bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter); */
3310 
3311         if (priv->ResetProgress == RESET_TYPE_NORESET) {
3312 RESET_START:
3313 
3314                 RT_TRACE(COMP_RESET, "=========>Reset progress!!\n");
3315 
3316                 /* Set the variable for reset. */
3317                 priv->ResetProgress = RESET_TYPE_SILENT;
3318                 mutex_lock(&priv->wx_mutex);
3319                 if (priv->up == 0) {
3320                         RT_TRACE(COMP_ERR,
3321                                  "%s():the driver is not up! return\n",
3322                                  __func__);
3323                         mutex_unlock(&priv->wx_mutex);
3324                         return;
3325                 }
3326                 priv->up = 0;
3327                 RT_TRACE(COMP_RESET,
3328                          "%s():======>start to down the driver\n",
3329                          __func__);
3330 
3331                 rtl8192_rtx_disable(dev);
3332                 rtl8192_cancel_deferred_work(priv);
3333                 deinit_hal_dm(dev);
3334                 del_timer_sync(&priv->watch_dog_timer);
3335 
3336                 ieee->sync_scan_hurryup = 1;
3337                 if (ieee->state == IEEE80211_LINKED) {
3338                         mutex_lock(&ieee->wx_mutex);
3339                         netdev_dbg(dev, "ieee->state is IEEE80211_LINKED\n");
3340                         ieee80211_stop_send_beacons(priv->ieee80211);
3341                         del_timer_sync(&ieee->associate_timer);
3342                         cancel_delayed_work(&ieee->associate_retry_wq);
3343                         ieee80211_stop_scan(ieee);
3344                         netif_carrier_off(dev);
3345                         mutex_unlock(&ieee->wx_mutex);
3346                 } else {
3347                         netdev_dbg(dev, "ieee->state is NOT LINKED\n");
3348                         ieee80211_softmac_stop_protocol(priv->ieee80211);
3349                 }
3350                 mutex_unlock(&priv->wx_mutex);
3351                 RT_TRACE(COMP_RESET,
3352                          "%s():<==========down process is finished\n",
3353                          __func__);
3354                 RT_TRACE(COMP_RESET,
3355                          "%s():===========>start up the driver\n",
3356                          __func__);
3357                 reset_status = _rtl8192_up(dev);
3358 
3359                 RT_TRACE(COMP_RESET,
3360                          "%s():<===========up process is finished\n",
3361                          __func__);
3362                 if (reset_status == -EAGAIN) {
3363                         if (reset_times < 3) {
3364                                 reset_times++;
3365                                 goto RESET_START;
3366                         } else {
3367                                 RT_TRACE(COMP_ERR,
3368                                          " ERR!!! %s():  Reset Failed!!\n",
3369                                          __func__);
3370                         }
3371                 }
3372                 ieee->is_silent_reset = 1;
3373                 EnableHWSecurityConfig8192(dev);
3374                 if (ieee->state == IEEE80211_LINKED &&
3375                     ieee->iw_mode == IW_MODE_INFRA) {
3376                         ieee->set_chan(ieee->dev,
3377                                        ieee->current_network.channel);
3378 
3379                         queue_work(ieee->wq, &ieee->associate_complete_wq);
3380 
3381                 } else if (ieee->state == IEEE80211_LINKED &&
3382                            ieee->iw_mode == IW_MODE_ADHOC) {
3383                         ieee->set_chan(ieee->dev,
3384                                        ieee->current_network.channel);
3385                         ieee->link_change(ieee->dev);
3386 
3387                         ieee80211_start_send_beacons(ieee);
3388 
3389                         if (ieee->data_hard_resume)
3390                                 ieee->data_hard_resume(ieee->dev);
3391                         netif_carrier_on(ieee->dev);
3392                 }
3393 
3394                 CamRestoreAllEntry(dev);
3395 
3396                 priv->ResetProgress = RESET_TYPE_NORESET;
3397                 priv->reset_count++;
3398 
3399                 priv->bForcedSilentReset = false;
3400                 priv->bResetInProgress = false;
3401 
3402                 /* For test --> force write UFWP. */
3403                 write_nic_byte(dev, UFWP, 1);
3404                 RT_TRACE(COMP_RESET,
3405                          "Reset finished!! ====>[%d]\n",
3406                          priv->reset_count);
3407         }
3408 }
3409 
3410 static void rtl819x_update_rxcounts(struct r8192_priv *priv, u32 *TotalRxBcnNum,
3411                              u32 *TotalRxDataNum)
3412 {
3413         u16                     SlotIndex;
3414         u8                      i;
3415 
3416         *TotalRxBcnNum = 0;
3417         *TotalRxDataNum = 0;
3418 
3419         SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++) %
3420                     (priv->ieee80211->LinkDetectInfo.SlotNum);
3421         priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] =
3422                 priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3423         priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] =
3424                 priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3425         for (i = 0; i < priv->ieee80211->LinkDetectInfo.SlotNum; i++) {
3426                 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3427                 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3428         }
3429 }
3430 
3431 
3432 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3433 {
3434         struct delayed_work *dwork = to_delayed_work(work);
3435         struct r8192_priv *priv = container_of(dwork,
3436                                                struct r8192_priv, watch_dog_wq);
3437         struct net_device *dev = priv->ieee80211->dev;
3438         struct ieee80211_device *ieee = priv->ieee80211;
3439         RESET_TYPE      ResetType = RESET_TYPE_NORESET;
3440         static u8       check_reset_cnt;
3441         bool bBusyTraffic = false;
3442         u32     TotalRxBcnNum = 0;
3443         u32     TotalRxDataNum = 0;
3444 
3445         if (!priv->up)
3446                 return;
3447         hal_dm_watchdog(dev);
3448 
3449         /* to get busy traffic condition */
3450         if (ieee->state == IEEE80211_LINKED) {
3451                 if (ieee->LinkDetectInfo.NumRxOkInPeriod > 666 ||
3452                     ieee->LinkDetectInfo.NumTxOkInPeriod > 666) {
3453                         bBusyTraffic = true;
3454                 }
3455                 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3456                 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3457                 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3458         }
3459         /* for AP roaming */
3460         if (priv->ieee80211->state == IEEE80211_LINKED &&
3461             priv->ieee80211->iw_mode == IW_MODE_INFRA) {
3462                 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3463                 if ((TotalRxBcnNum + TotalRxDataNum) == 0) {
3464 #ifdef TODO
3465                         if (rfState == eRfOff)
3466                                 RT_TRACE(COMP_ERR, "========>%s()\n", __func__);
3467 #endif
3468                         netdev_dbg(dev,
3469                                    "===>%s(): AP is power off, connect another one\n",
3470                                    __func__);
3471                         priv->ieee80211->state = IEEE80211_ASSOCIATING;
3472                         notify_wx_assoc_event(priv->ieee80211);
3473                         RemovePeerTS(priv->ieee80211,
3474                                      priv->ieee80211->current_network.bssid);
3475                         priv->ieee80211->link_change(dev);
3476                         queue_work(priv->ieee80211->wq,
3477                                    &priv->ieee80211->associate_procedure_wq);
3478                 }
3479         }
3480         priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3481         priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod = 0;
3482         /* check if reset the driver */
3483         if (check_reset_cnt++ >= 3) {
3484                 ResetType = rtl819x_ifcheck_resetornot(dev);
3485                 check_reset_cnt = 3;
3486         }
3487         /* This is control by OID set in Pomelo */
3488         if ((priv->force_reset) || (priv->ResetProgress == RESET_TYPE_NORESET &&
3489             (priv->bForcedSilentReset ||
3490             (!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_SILENT)))) {
3491                 RT_TRACE(COMP_RESET,
3492                          "%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",
3493                          __func__, priv->force_reset, priv->ResetProgress,
3494                          priv->bForcedSilentReset,
3495                          priv->bDisableNormalResetCheck, ResetType);
3496                 rtl819x_ifsilentreset(dev);
3497         }
3498         priv->force_reset = false;
3499         priv->bForcedSilentReset = false;
3500         priv->bResetInProgress = false;
3501         RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3502 }
3503 
3504 static void watch_dog_timer_callback(unsigned long data)
3505 {
3506         struct r8192_priv *priv = ieee80211_priv((struct net_device *)data);
3507 
3508         schedule_delayed_work(&priv->watch_dog_wq, 0);
3509         mod_timer(&priv->watch_dog_timer,
3510                   jiffies + msecs_to_jiffies(IEEE80211_WATCH_DOG_TIME));
3511 }
3512 
3513 static int _rtl8192_up(struct net_device *dev)
3514 {
3515         struct r8192_priv *priv = ieee80211_priv(dev);
3516         int init_status = 0;
3517 
3518         priv->up = 1;
3519         priv->ieee80211->ieee_up = 1;
3520         RT_TRACE(COMP_INIT, "Bringing up iface");
3521         init_status = rtl8192_adapter_start(dev);
3522         if (!init_status) {
3523                 RT_TRACE(COMP_ERR, "ERR!!! %s(): initialization failed!\n",
3524                          __func__);
3525                 priv->up = priv->ieee80211->ieee_up = 0;
3526                 return -EAGAIN;
3527         }
3528         RT_TRACE(COMP_INIT, "start adapter finished\n");
3529         rtl8192_rx_enable(dev);
3530         if (priv->ieee80211->state != IEEE80211_LINKED)
3531                 ieee80211_softmac_start_protocol(priv->ieee80211);
3532         ieee80211_reset_queue(priv->ieee80211);
3533         watch_dog_timer_callback((unsigned long)dev);
3534         if (!netif_queue_stopped(dev))
3535                 netif_start_queue(dev);
3536         else
3537                 netif_wake_queue(dev);
3538 
3539         return 0;
3540 }
3541 
3542 
3543 static int rtl8192_open(struct net_device *dev)
3544 {
3545         struct r8192_priv *priv = ieee80211_priv(dev);
3546         int ret;
3547 
3548         mutex_lock(&priv->wx_mutex);
3549         ret = rtl8192_up(dev);
3550         mutex_unlock(&priv->wx_mutex);
3551         return ret;
3552 }
3553 
3554 
3555 int rtl8192_up(struct net_device *dev)
3556 {
3557         struct r8192_priv *priv = ieee80211_priv(dev);
3558 
3559         if (priv->up == 1)
3560                 return -1;
3561 
3562         return _rtl8192_up(dev);
3563 }
3564 
3565 
3566 static int rtl8192_close(struct net_device *dev)
3567 {
3568         struct r8192_priv *priv = ieee80211_priv(dev);
3569         int ret;
3570 
3571         mutex_lock(&priv->wx_mutex);
3572 
3573         ret = rtl8192_down(dev);
3574 
3575         mutex_unlock(&priv->wx_mutex);
3576 
3577         return ret;
3578 }
3579 
3580 int rtl8192_down(struct net_device *dev)
3581 {
3582         struct r8192_priv *priv = ieee80211_priv(dev);
3583         int i;
3584 
3585         if (priv->up == 0)
3586                 return -1;
3587 
3588         priv->up = 0;
3589         priv->ieee80211->ieee_up = 0;
3590         RT_TRACE(COMP_DOWN, "==========>%s()\n", __func__);
3591         /* FIXME */
3592         if (!netif_queue_stopped(dev))
3593                 netif_stop_queue(dev);
3594 
3595         rtl8192_rtx_disable(dev);
3596 
3597         /* Tx related queue release */
3598         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3599                 skb_queue_purge(&priv->ieee80211->skb_waitQ[i]);
3600         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3601                 skb_queue_purge(&priv->ieee80211->skb_aggQ[i]);
3602 
3603         for (i = 0; i < MAX_QUEUE_SIZE; i++)
3604                 skb_queue_purge(&priv->ieee80211->skb_drv_aggQ[i]);
3605 
3606         /* as cancel_delayed_work will del work->timer, so if work is not
3607          * defined as struct delayed_work, it will corrupt
3608          */
3609         rtl8192_cancel_deferred_work(priv);
3610         deinit_hal_dm(dev);
3611         del_timer_sync(&priv->watch_dog_timer);
3612 
3613 
3614         ieee80211_softmac_stop_protocol(priv->ieee80211);
3615         memset(&priv->ieee80211->current_network, 0,
3616                offsetof(struct ieee80211_network, list));
3617         RT_TRACE(COMP_DOWN, "<==========%s()\n", __func__);
3618 
3619         return 0;
3620 }
3621 
3622 
3623 void rtl8192_commit(struct net_device *dev)
3624 {
3625         struct r8192_priv *priv = ieee80211_priv(dev);
3626         int reset_status = 0;
3627 
3628         if (priv->up == 0)
3629                 return;
3630         priv->up = 0;
3631 
3632         rtl8192_cancel_deferred_work(priv);
3633         del_timer_sync(&priv->watch_dog_timer);
3634 
3635         ieee80211_softmac_stop_protocol(priv->ieee80211);
3636 
3637         rtl8192_rtx_disable(dev);
3638         reset_status = _rtl8192_up(dev);
3639 }
3640 
3641 static void rtl8192_restart(struct work_struct *work)
3642 {
3643         struct r8192_priv *priv = container_of(work, struct r8192_priv,
3644                                                reset_wq);
3645         struct net_device *dev = priv->ieee80211->dev;
3646 
3647         mutex_lock(&priv->wx_mutex);
3648 
3649         rtl8192_commit(dev);
3650 
3651         mutex_unlock(&priv->wx_mutex);
3652 }
3653 
3654 static void r8192_set_multicast(struct net_device *dev)
3655 {
3656         struct r8192_priv *priv = ieee80211_priv(dev);
3657         short promisc;
3658 
3659         /* FIXME FIXME */
3660 
3661         promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3662 
3663         if (promisc != priv->promisc)
3664 
3665                 priv->promisc = promisc;
3666 }
3667 
3668 
3669 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3670 {
3671         struct r8192_priv *priv = ieee80211_priv(dev);
3672         struct sockaddr *addr = mac;
3673 
3674         mutex_lock(&priv->wx_mutex);
3675 
3676         ether_addr_copy(dev->dev_addr, addr->sa_data);
3677 
3678         schedule_work(&priv->reset_wq);
3679         mutex_unlock(&priv->wx_mutex);
3680 
3681         return 0;
3682 }
3683 
3684 /* based on ipw2200 driver */
3685 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3686 {
3687         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3688         struct iwreq *wrq = (struct iwreq *)rq;
3689         int ret = -1;
3690         struct ieee80211_device *ieee = priv->ieee80211;
3691         u32 key[4];
3692         u8 broadcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3693         struct iw_point *p = &wrq->u.data;
3694         struct ieee_param *ipw = NULL;
3695 
3696         mutex_lock(&priv->wx_mutex);
3697 
3698 
3699         if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3700                 ret = -EINVAL;
3701                 goto out;
3702         }
3703 
3704         ipw = memdup_user(p->pointer, p->length);
3705         if (IS_ERR(ipw)) {
3706                 ret = PTR_ERR(ipw);
3707                 goto out;
3708         }
3709 
3710         switch (cmd) {
3711         case RTL_IOCTL_WPA_SUPPLICANT:
3712                 /* parse here for HW security */
3713                 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION) {
3714                         if (ipw->u.crypt.set_tx) {
3715                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3716                                         ieee->pairwise_key_type = KEY_TYPE_CCMP;
3717                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3718                                         ieee->pairwise_key_type = KEY_TYPE_TKIP;
3719                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3720                                         if (ipw->u.crypt.key_len == 13)
3721                                                 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3722                                         else if (ipw->u.crypt.key_len == 5)
3723                                                 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3724                                 } else {
3725                                         ieee->pairwise_key_type = KEY_TYPE_NA;
3726                                 }
3727 
3728                                 if (ieee->pairwise_key_type) {
3729                                         memcpy((u8 *)key, ipw->u.crypt.key, 16);
3730                                         EnableHWSecurityConfig8192(dev);
3731                                         /* We fill both index entry and 4th
3732                                          * entry for pairwise key as in IPW
3733                                          * interface, adhoc will only get here,
3734                                          * so we need index entry for its
3735                                          * default key serching!
3736                                          */
3737                                         setKey(dev, 4, ipw->u.crypt.idx,
3738                                                ieee->pairwise_key_type,
3739                                                (u8 *)ieee->ap_mac_addr,
3740                                                0, key);
3741                                         if (ieee->auth_mode != 2)
3742                                                 setKey(dev, ipw->u.crypt.idx,
3743                                                        ipw->u.crypt.idx,
3744                                                        ieee->pairwise_key_type,
3745                                                        (u8 *)ieee->ap_mac_addr,
3746                                                        0, key);
3747                                 }
3748                         } else {
3749                                 memcpy((u8 *)key, ipw->u.crypt.key, 16);
3750                                 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0) {
3751                                         ieee->group_key_type = KEY_TYPE_CCMP;
3752                                 } else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0) {
3753                                         ieee->group_key_type = KEY_TYPE_TKIP;
3754                                 } else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3755                                         if (ipw->u.crypt.key_len == 13)
3756                                                 ieee->group_key_type = KEY_TYPE_WEP104;
3757                                         else if (ipw->u.crypt.key_len == 5)
3758                                                 ieee->group_key_type = KEY_TYPE_WEP40;
3759                                 } else {
3760                                         ieee->group_key_type = KEY_TYPE_NA;
3761                                 }
3762 
3763                                 if (ieee->group_key_type) {
3764                                         setKey(dev, ipw->u.crypt.idx,
3765                                                /* KeyIndex */
3766                                                ipw->u.crypt.idx,
3767                                                /* KeyType */
3768                                                ieee->group_key_type,
3769                                                /* MacAddr */
3770                                                broadcast_addr,
3771                                                /* DefaultKey */
3772                                                0,
3773                                                /* KeyContent */
3774                                                key);
3775                                 }
3776                         }
3777                 }
3778                 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211,
3779                                                      &wrq->u.data);
3780                 break;
3781 
3782         default:
3783                 ret = -EOPNOTSUPP;
3784                 break;
3785         }
3786         kfree(ipw);
3787         ipw = NULL;
3788 out:
3789         mutex_unlock(&priv->wx_mutex);
3790         return ret;
3791 }
3792 
3793 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3794 {
3795         u8  ret_rate = 0xff;
3796 
3797         if (!bIsHT) {
3798                 switch (rate) {
3799                 case DESC90_RATE1M:
3800                         ret_rate = MGN_1M;
3801                         break;
3802                 case DESC90_RATE2M:
3803                         ret_rate = MGN_2M;
3804                         break;
3805                 case DESC90_RATE5_5M:
3806                         ret_rate = MGN_5_5M;
3807                         break;
3808                 case DESC90_RATE11M:
3809                         ret_rate = MGN_11M;
3810                         break;
3811                 case DESC90_RATE6M:
3812                         ret_rate = MGN_6M;
3813                         break;
3814                 case DESC90_RATE9M:
3815                         ret_rate = MGN_9M;
3816                         break;
3817                 case DESC90_RATE12M:
3818                         ret_rate = MGN_12M;
3819                         break;
3820                 case DESC90_RATE18M:
3821                         ret_rate = MGN_18M;
3822                         break;
3823                 case DESC90_RATE24M:
3824                         ret_rate = MGN_24M;
3825                         break;
3826                 case DESC90_RATE36M:
3827                         ret_rate = MGN_36M;
3828                         break;
3829                 case DESC90_RATE48M:
3830                         ret_rate = MGN_48M;
3831                         break;
3832                 case DESC90_RATE54M:
3833                         ret_rate = MGN_54M;
3834                         break;
3835 
3836                 default:
3837                         ret_rate = 0xff;
3838                         RT_TRACE(COMP_RECV,
3839                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3840                                  rate, bIsHT);
3841                         break;
3842                 }
3843 
3844         } else {
3845                 switch (rate) {
3846                 case DESC90_RATEMCS0:
3847                         ret_rate = MGN_MCS0;
3848                         break;
3849                 case DESC90_RATEMCS1:
3850                         ret_rate = MGN_MCS1;
3851                         break;
3852                 case DESC90_RATEMCS2:
3853                         ret_rate = MGN_MCS2;
3854                         break;
3855                 case DESC90_RATEMCS3:
3856                         ret_rate = MGN_MCS3;
3857                         break;
3858                 case DESC90_RATEMCS4:
3859                         ret_rate = MGN_MCS4;
3860                         break;
3861                 case DESC90_RATEMCS5:
3862                         ret_rate = MGN_MCS5;
3863                         break;
3864                 case DESC90_RATEMCS6:
3865                         ret_rate = MGN_MCS6;
3866                         break;
3867                 case DESC90_RATEMCS7:
3868                         ret_rate = MGN_MCS7;
3869                         break;
3870                 case DESC90_RATEMCS8:
3871                         ret_rate = MGN_MCS8;
3872                         break;
3873                 case DESC90_RATEMCS9:
3874                         ret_rate = MGN_MCS9;
3875                         break;
3876                 case DESC90_RATEMCS10:
3877                         ret_rate = MGN_MCS10;
3878                         break;
3879                 case DESC90_RATEMCS11:
3880                         ret_rate = MGN_MCS11;
3881                         break;
3882                 case DESC90_RATEMCS12:
3883                         ret_rate = MGN_MCS12;
3884                         break;
3885                 case DESC90_RATEMCS13:
3886                         ret_rate = MGN_MCS13;
3887                         break;
3888                 case DESC90_RATEMCS14:
3889                         ret_rate = MGN_MCS14;
3890                         break;
3891                 case DESC90_RATEMCS15:
3892                         ret_rate = MGN_MCS15;
3893                         break;
3894                 case DESC90_RATEMCS32:
3895                         ret_rate = 0x80 | 0x20;
3896                         break;
3897 
3898                 default:
3899                         ret_rate = 0xff;
3900                         RT_TRACE(COMP_RECV,
3901                                  "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",
3902                                  rate, bIsHT);
3903                         break;
3904                 }
3905         }
3906 
3907         return ret_rate;
3908 }
3909 
3910 /**
3911  * Function:     UpdateRxPktTimeStamp
3912  * Overview:     Record the TSF time stamp when receiving a packet
3913  *
3914  * Input:
3915  *       PADAPTER        Adapter
3916  *       PRT_RFD         pRfd,
3917  *
3918  * Output:
3919  *       PRT_RFD         pRfd
3920  *                               (pRfd->Status.TimeStampHigh is updated)
3921  *                               (pRfd->Status.TimeStampLow is updated)
3922  * Return:
3923  *               None
3924  */
3925 static void UpdateRxPktTimeStamp8190(struct net_device *dev,
3926                                      struct ieee80211_rx_stats *stats)
3927 {
3928         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3929 
3930         if (stats->bIsAMPDU && !stats->bFirstMPDU) {
3931                 stats->mac_time[0] = priv->LastRxDescTSFLow;
3932                 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3933         } else {
3934                 priv->LastRxDescTSFLow = stats->mac_time[0];
3935                 priv->LastRxDescTSFHigh = stats->mac_time[1];
3936         }
3937 }
3938 
3939 /* 0-100 index. */
3940 static long rtl819x_translate_todbm(u8 signal_strength_index)
3941 {
3942         long    signal_power; /* in dBm. */
3943 
3944         /* Translate to dBm (x=0.5y-95). */
3945         signal_power = (long)((signal_strength_index + 1) >> 1);
3946         signal_power -= 95;
3947 
3948         return signal_power;
3949 }
3950 
3951 
3952 /* We can not declare RSSI/EVM total value of sliding window to
3953  * be a local static. Otherwise, it may increase when we return from S3/S4. The
3954  * value will be kept in memory or disk. Declare the value in the adaptor
3955  * and it will be reinitialized when returned from S3/S4.
3956  */
3957 static void rtl8192_process_phyinfo(struct r8192_priv *priv, u8 *buffer,
3958                                     struct ieee80211_rx_stats *pprevious_stats,
3959                                     struct ieee80211_rx_stats *pcurrent_stats)
3960 {
3961         bool bcheck = false;
3962         u8      rfpath;
3963         u32     nspatial_stream, tmp_val;
3964         static u32 slide_rssi_index, slide_rssi_statistics;
3965         static u32 slide_evm_index, slide_evm_statistics;
3966         static u32 last_rssi, last_evm;
3967 
3968         static u32 slide_beacon_adc_pwdb_index;
3969         static u32 slide_beacon_adc_pwdb_statistics;
3970         static u32 last_beacon_adc_pwdb;
3971 
3972         struct rtl_80211_hdr_3addr *hdr;
3973         u16 sc;
3974         unsigned int frag, seq;
3975 
3976         hdr = (struct rtl_80211_hdr_3addr *)buffer;
3977         sc = le16_to_cpu(hdr->seq_ctl);
3978         frag = WLAN_GET_SEQ_FRAG(sc);
3979         seq = WLAN_GET_SEQ_SEQ(sc);
3980         /* to record the sequence number */
3981         pcurrent_stats->Seq_Num = seq;
3982 
3983         /* Check whether we should take the previous packet into accounting */
3984         if (!pprevious_stats->bIsAMPDU) {
3985                 /* if previous packet is not aggregated packet */
3986                 bcheck = true;
3987         }
3988 
3989         if (slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
3990                 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3991                 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3992                 priv->stats.slide_rssi_total -= last_rssi;
3993         }
3994         priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3995 
3996         priv->stats.slide_signal_strength[slide_rssi_index++] =
3997                 pprevious_stats->SignalStrength;
3998         if (slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3999                 slide_rssi_index = 0;
4000 
4001         /* <1> Showed on UI for user, in dbm */
4002         tmp_val = priv->stats.slide_rssi_total / slide_rssi_statistics;
4003         priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4004         pcurrent_stats->rssi = priv->stats.signal_strength;
4005 
4006         /* If the previous packet does not match the criteria, neglect it */
4007         if (!pprevious_stats->bPacketMatchBSSID) {
4008                 if (!pprevious_stats->bToSelfBA)
4009                         return;
4010         }
4011 
4012         if (!bcheck)
4013                 return;
4014 
4015 
4016         /* only rtl8190 supported
4017          * rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4018          */
4019 
4020         /* Check RSSI */
4021         priv->stats.num_process_phyinfo++;
4022 
4023         /* record the general signal strength to the sliding window. */
4024 
4025 
4026         /* <2> Showed on UI for engineering
4027          * hardware does not provide rssi information for each rf path in CCK
4028          */
4029         if (!pprevious_stats->bIsCCK &&
4030             (pprevious_stats->bPacketToSelf || pprevious_stats->bToSelfBA)) {
4031                 for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) {
4032                         if (!rtl8192_phy_CheckIsLegalRFPath(
4033                                         priv->ieee80211->dev, rfpath))
4034                                 continue;
4035 
4036                         if (priv->stats.rx_rssi_percentage[rfpath] == 0)
4037                                 priv->stats.rx_rssi_percentage[rfpath] =
4038                                         pprevious_stats->RxMIMOSignalStrength[rfpath];
4039                         if (pprevious_stats->RxMIMOSignalStrength[rfpath]  > priv->stats.rx_rssi_percentage[rfpath]) {
4040                                 priv->stats.rx_rssi_percentage[rfpath] =
4041                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4042                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4043                                 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath]  + 1;
4044                         } else {
4045                                 priv->stats.rx_rssi_percentage[rfpath] =
4046                                         ((priv->stats.rx_rssi_percentage[rfpath] * (Rx_Smooth_Factor - 1)) +
4047                                          (pprevious_stats->RxMIMOSignalStrength[rfpath])) / (Rx_Smooth_Factor);
4048                         }
4049                         RT_TRACE(COMP_DBG,
4050                                  "priv->stats.rx_rssi_percentage[rfPath]  = %d\n",
4051                                  priv->stats.rx_rssi_percentage[rfpath]);
4052                 }
4053         }
4054 
4055 
4056         /* Check PWDB. */
4057         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4058                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4059                  pprevious_stats->RxPWDBAll);
4060 
4061         if (pprevious_stats->bPacketBeacon) {
4062                 /* record the beacon pwdb to the sliding window. */
4063                 if (slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) {
4064                         slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4065                         last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4066                         priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4067                 }
4068                 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4069                 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4070                 slide_beacon_adc_pwdb_index++;
4071                 if (slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4072                         slide_beacon_adc_pwdb_index = 0;
4073                 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total / slide_beacon_adc_pwdb_statistics;
4074                 if (pprevious_stats->RxPWDBAll >= 3)
4075                         pprevious_stats->RxPWDBAll -= 3;
4076         }
4077 
4078         RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4079                  pprevious_stats->bIsCCK ? "CCK" : "OFDM",
4080                  pprevious_stats->RxPWDBAll);
4081 
4082 
4083         if (pprevious_stats->bPacketToSelf ||
4084             pprevious_stats->bPacketBeacon ||
4085             pprevious_stats->bToSelfBA) {
4086                 if (priv->undecorated_smoothed_pwdb < 0)
4087                         /* initialize */
4088                         priv->undecorated_smoothed_pwdb =
4089                                 pprevious_stats->RxPWDBAll;
4090                 if (pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb) {
4091                         priv->undecorated_smoothed_pwdb =
4092                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4093                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4094                         priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4095                 } else {
4096                         priv->undecorated_smoothed_pwdb =
4097                                 (((priv->undecorated_smoothed_pwdb) * (Rx_Smooth_Factor - 1)) +
4098                                  (pprevious_stats->RxPWDBAll)) / (Rx_Smooth_Factor);
4099                 }
4100         }
4101 
4102         /* Check EVM */
4103         /* record the general EVM to the sliding window. */
4104         if (pprevious_stats->SignalQuality) {
4105                 if (pprevious_stats->bPacketToSelf ||
4106                     pprevious_stats->bPacketBeacon ||
4107                     pprevious_stats->bToSelfBA) {
4108                         if (slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX) {
4109                                 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4110                                 last_evm = priv->stats.slide_evm[slide_evm_index];
4111                                 priv->stats.slide_evm_total -= last_evm;
4112                         }
4113 
4114                         priv->stats.slide_evm_total +=
4115                                 pprevious_stats->SignalQuality;
4116 
4117                         priv->stats.slide_evm[slide_evm_index++] =
4118                                 pprevious_stats->SignalQuality;
4119                         if (slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4120                                 slide_evm_index = 0;
4121 
4122                         /* <1> Showed on UI for user, in percentage. */
4123                         tmp_val = priv->stats.slide_evm_total /
4124                                   slide_evm_statistics;
4125                         priv->stats.signal_quality = tmp_val;
4126                         /* Showed on UI for user in Windows Vista,
4127                          * for Link quality.
4128                          */
4129                         priv->stats.last_signal_strength_inpercent = tmp_val;
4130                 }
4131 
4132                 /* <2> Showed on UI for engineering */
4133                 if (pprevious_stats->bPacketToSelf ||
4134                     pprevious_stats->bPacketBeacon ||
4135                     pprevious_stats->bToSelfBA) {
4136                         for (nspatial_stream = 0; nspatial_stream < 2; nspatial_stream++) { /* 2 spatial stream */
4137                                 if (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1) {
4138                                         if (priv->stats.rx_evm_percentage[nspatial_stream] == 0) /* initialize */
4139                                                 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4140                                         priv->stats.rx_evm_percentage[nspatial_stream] =
4141                                                 ((priv->stats.rx_evm_percentage[nspatial_stream] * (Rx_Smooth_Factor - 1)) +
4142                                                  (pprevious_stats->RxMIMOSignalQuality[nspatial_stream] * 1)) / (Rx_Smooth_Factor);
4143                                 }
4144                         }
4145                 }
4146         }
4147 }
4148 
4149 /*-----------------------------------------------------------------------------
4150  * Function:    rtl819x_query_rxpwrpercentage()
4151  *
4152  * Overview:
4153  *
4154  * Input:               char            antpower
4155  *
4156  * Output:              NONE
4157  *
4158  * Return:              0-100 percentage
4159  *---------------------------------------------------------------------------*/
4160 static u8 rtl819x_query_rxpwrpercentage(s8 antpower)
4161 {
4162         if ((antpower <= -100) || (antpower >= 20))
4163                 return  0;
4164         else if (antpower >= 0)
4165                 return  100;
4166         else
4167                 return  100 + antpower;
4168 
4169 }       /* QueryRxPwrPercentage */
4170 
4171 static u8 rtl819x_evm_dbtopercentage(s8 value)
4172 {
4173         s8 ret_val;
4174 
4175         ret_val = value;
4176 
4177         if (ret_val >= 0)
4178                 ret_val = 0;
4179         if (ret_val <= -33)
4180                 ret_val = -33;
4181         ret_val = 0 - ret_val;
4182         ret_val *= 3;
4183         if (ret_val == 99)
4184                 ret_val = 100;
4185         return ret_val;
4186 }
4187 
4188 /* We want good-looking for signal strength/quality */
4189 static long rtl819x_signal_scale_mapping(long currsig)
4190 {
4191         long retsig;
4192 
4193         /* Step 1. Scale mapping. */
4194         if (currsig >= 61 && currsig <= 100)
4195                 retsig = 90 + ((currsig - 60) / 4);
4196         else if (currsig >= 41 && currsig <= 60)
4197                 retsig = 78 + ((currsig - 40) / 2);
4198         else if (currsig >= 31 && currsig <= 40)
4199                 retsig = 66 + (currsig - 30);
4200         else if (currsig >= 21 && currsig <= 30)
4201                 retsig = 54 + (currsig - 20);
4202         else if (currsig >= 5 && currsig <= 20)
4203                 retsig = 42 + (((currsig - 5) * 2) / 3);
4204         else if (currsig == 4)
4205                 retsig = 36;
4206         else if (currsig == 3)
4207                 retsig = 27;
4208         else if (currsig == 2)
4209                 retsig = 18;
4210         else if (currsig == 1)
4211                 retsig = 9;
4212         else
4213                 retsig = currsig;
4214 
4215         return retsig;
4216 }
4217 
4218 static inline bool rx_hal_is_cck_rate(struct rx_drvinfo_819x_usb *pdrvinfo)
4219 {
4220         if (pdrvinfo->RxHT)
4221                 return false;
4222 
4223         switch (pdrvinfo->RxRate) {
4224         case DESC90_RATE1M:
4225         case DESC90_RATE2M:
4226         case DESC90_RATE5_5M:
4227         case DESC90_RATE11M:
4228                 return true;
4229         default:
4230                 return false;
4231         }
4232 }
4233 
4234 static void rtl8192_query_rxphystatus(struct r8192_priv *priv,
4235                                       struct ieee80211_rx_stats *pstats,
4236                                       rx_drvinfo_819x_usb  *pdrvinfo,
4237                                       struct ieee80211_rx_stats *precord_stats,
4238                                       bool bpacket_match_bssid,
4239                                       bool bpacket_toself,
4240                                       bool bPacketBeacon,
4241                                       bool bToSelfBA)
4242 {
4243         phy_sts_ofdm_819xusb_t *pofdm_buf;
4244         phy_sts_cck_819xusb_t   *pcck_buf;
4245         phy_ofdm_rx_status_rxsc_sgien_exintfflag *prxsc;
4246         u8      *prxpkt;
4247         u8      i, max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4248         s8      rx_pwr[4], rx_pwr_all = 0;
4249         s8      rx_snrX, rx_evmX;
4250         u8      evm, pwdb_all;
4251         u32     RSSI, total_rssi = 0;
4252         u8      is_cck_rate = 0;
4253         u8      rf_rx_num = 0;
4254         u8      sq;
4255 
4256 
4257         priv->stats.numqry_phystatus++;
4258 
4259         is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4260 
4261         /* Record it for next packet processing */
4262         memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4263         pstats->bPacketMatchBSSID =
4264                 precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4265         pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4266         pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;
4267         pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4268         pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4269 
4270         prxpkt = (u8 *)pdrvinfo;
4271 
4272         /* Move pointer to the 16th bytes. Phy status start address. */
4273         prxpkt += sizeof(rx_drvinfo_819x_usb);
4274 
4275         /* Initial the cck and ofdm buffer pointer */
4276         pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt;
4277         pofdm_buf = (phy_sts_ofdm_819xusb_t *)prxpkt;
4278 
4279         pstats->RxMIMOSignalQuality[0] = -1;
4280         pstats->RxMIMOSignalQuality[1] = -1;
4281         precord_stats->RxMIMOSignalQuality[0] = -1;
4282         precord_stats->RxMIMOSignalQuality[1] = -1;
4283 
4284         if (is_cck_rate) {
4285                 /* (1)Hardware does not provide RSSI for CCK */
4286 
4287                 /* (2)PWDB, Average PWDB calculated by hardware
4288                  * (for rate adaptive)
4289                  */
4290                 u8 report;
4291 
4292                 priv->stats.numqry_phystatusCCK++;
4293 
4294                 if (!priv->bCckHighPower) {
4295                         report = pcck_buf->cck_agc_rpt & 0xc0;
4296                         report >>= 6;
4297                         switch (report) {
4298                         case 0x3:
4299                                 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4300                                 break;
4301                         case 0x2:
4302                                 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4303                                 break;
4304                         case 0x1:
4305                                 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4306                                 break;
4307                         case 0x0:
4308                                 rx_pwr_all = 6 - (pcck_buf->cck_agc_rpt & 0x3e);
4309                                 break;
4310                         }
4311                 } else {
4312                         report = pcck_buf->cck_agc_rpt & 0x60;
4313                         report >>= 5;
4314                         switch (report) {
4315                         case 0x3:
4316                                 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4317                                 break;
4318                         case 0x2:
4319                                 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4320                                 break;
4321                         case 0x1:
4322                                 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4323                                 break;
4324                         case 0x0:
4325                                 rx_pwr_all = 6 - ((pcck_buf->cck_agc_rpt & 0x1f) << 1);
4326                                 break;
4327                         }
4328                 }
4329 
4330                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4331                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4332                 pstats->RecvSignalPower = pwdb_all;
4333 
4334                 /* (3) Get Signal Quality (EVM) */
4335 
4336                 if (pstats->RxPWDBAll > 40) {
4337                         sq = 100;
4338                 } else {
4339                         sq = pcck_buf->sq_rpt;
4340 
4341                         if (pcck_buf->sq_rpt > 64)
4342                                 sq = 0;
4343                         else if (pcck_buf->sq_rpt < 20)
4344                                 sq = 100;
4345                         else
4346                                 sq = ((64 - sq) * 100) / 44;
4347                 }
4348                 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4349                 pstats->RxMIMOSignalQuality[0] =
4350                         precord_stats->RxMIMOSignalQuality[0] = sq;
4351                 pstats->RxMIMOSignalQuality[1] =
4352                         precord_stats->RxMIMOSignalQuality[1] = -1;
4353 
4354         } else {
4355                 priv->stats.numqry_phystatusHT++;
4356 
4357                 /* (1)Get RSSI for HT rate */
4358                 for (i = RF90_PATH_A; i < priv->NumTotalRFPath; i++) {
4359                         /* We will judge RF RX path now. */
4360                         if (priv->brfpath_rxenable[i])
4361                                 rf_rx_num++;
4362                         else
4363                                 continue;
4364 
4365                         if (!rtl8192_phy_CheckIsLegalRFPath(
4366                                         priv->ieee80211->dev, i))
4367                                 continue;
4368 
4369                         rx_pwr[i] =
4370                                 ((pofdm_buf->trsw_gain_X[i] & 0x3F) * 2) - 106;
4371 
4372                         /* Get Rx snr value in DB */
4373                         tmp_rxsnr =     pofdm_buf->rxsnr_X[i];
4374                         rx_snrX = (s8)(tmp_rxsnr);
4375                         rx_snrX /= 2;
4376                         priv->stats.rxSNRdB[i] = (long)rx_snrX;
4377 
4378                         /* Translate DBM to percentage. */
4379                         RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4380                         total_rssi += RSSI;
4381 
4382                         /* Record Signal Strength for next packet */
4383                         pstats->RxMIMOSignalStrength[i] = (u8)RSSI;
4384                         precord_stats->RxMIMOSignalStrength[i] = (u8)RSSI;
4385                 }
4386 
4387 
4388                 /* (2)PWDB, Average PWDB calculated by hardware
4389                  * (for rate adaptive)
4390                  */
4391                 rx_pwr_all = (((pofdm_buf->pwdb_all) >> 1) & 0x7f) - 106;
4392                 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4393 
4394                 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4395                 pstats->RxPower = precord_stats->RxPower =  rx_pwr_all;
4396 
4397                 /* (3)EVM of HT rate */
4398                 if (pdrvinfo->RxHT && pdrvinfo->RxRate >= DESC90_RATEMCS8 &&
4399                     pdrvinfo->RxRate <= DESC90_RATEMCS15)
4400                         /* both spatial stream make sense */
4401                         max_spatial_stream = 2;
4402                 else
4403                         /* only spatial stream 1 makes sense */
4404                         max_spatial_stream = 1;
4405 
4406                 for (i = 0; i < max_spatial_stream; i++) {
4407                         tmp_rxevm =     pofdm_buf->rxevm_X[i];
4408                         rx_evmX = (s8)(tmp_rxevm);
4409 
4410                         /* Do not use shift operation like "rx_evmX >>= 1"
4411                          * because the compiler of free build environment will
4412                          * set the most significant bit to "zero" when doing
4413                          * shifting operation which may change a negative value
4414                          * to positive one, then the dbm value (which is
4415                          * supposed to be negative) is not correct anymore.
4416                          */
4417                         rx_evmX /= 2;   /* dbm */
4418 
4419                         evm = rtl819x_evm_dbtopercentage(rx_evmX);
4420                         if (i == 0)
4421                                 /* Fill value in RFD, Get the first spatial
4422                                  * stream only
4423                                  */
4424                                 pstats->SignalQuality =
4425                                         precord_stats->SignalQuality =
4426                                         evm & 0xff;
4427                         pstats->RxMIMOSignalQuality[i] =
4428                                 precord_stats->RxMIMOSignalQuality[i] =
4429                                 evm & 0xff;
4430                 }
4431 
4432 
4433                 /* record rx statistics for debug */
4434                 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4435                 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)
4436                         &rxsc_sgien_exflg;
4437                 if (pdrvinfo->BW)       /* 40M channel */
4438                         priv->stats.received_bwtype[1 + prxsc->rxsc]++;
4439                 else                    /* 20M channel */
4440                         priv->stats.received_bwtype[0]++;
4441         }
4442 
4443         /* UI BSS List signal strength(in percentage), make it good looking,
4444          * from 0~100. It is assigned to the BSS List in
4445          * GetValueFromBeaconOrProbeRsp().
4446          */
4447         if (is_cck_rate) {
4448                 pstats->SignalStrength =
4449                         precord_stats->SignalStrength =
4450                         (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));
4451         } else {
4452                 /* We can judge RX path number now. */
4453                 if (rf_rx_num != 0) {
4454                         pstats->SignalStrength =
4455                                 precord_stats->SignalStrength =
4456                                 (u8)(rtl819x_signal_scale_mapping((long)(total_rssi /= rf_rx_num)));
4457                 }
4458         }
4459 }       /* QueryRxPhyStatus8190Pci */
4460 
4461 static void rtl8192_record_rxdesc_forlateruse(
4462                 struct ieee80211_rx_stats *psrc_stats,
4463                 struct ieee80211_rx_stats *ptarget_stats)
4464 {
4465         ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4466         ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4467         ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4468 }
4469 
4470 
4471 static void TranslateRxSignalStuff819xUsb(struct sk_buff *skb,
4472                                           struct ieee80211_rx_stats *pstats,
4473                                           rx_drvinfo_819x_usb  *pdrvinfo)
4474 {
4475         /* TODO: We must only check packet for current MAC address.
4476          * Not finish
4477          */
4478         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4479         struct net_device *dev = info->dev;
4480         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4481         bool bpacket_match_bssid, bpacket_toself;
4482         bool bPacketBeacon = false, bToSelfBA = false;
4483         static struct ieee80211_rx_stats  previous_stats;
4484         struct rtl_80211_hdr_3addr *hdr;
4485         u16 fc, type;
4486 
4487         /* Get Signal Quality for only RX data queue (but not command queue) */
4488 
4489         u8 *tmp_buf;
4490         u8  *praddr;
4491 
4492         /* Get MAC frame start address. */
4493         tmp_buf = (u8 *)skb->data;
4494 
4495         hdr = (struct rtl_80211_hdr_3addr *)tmp_buf;
4496         fc = le16_to_cpu(hdr->frame_ctl);
4497         type = WLAN_FC_GET_TYPE(fc);
4498         praddr = hdr->addr1;
4499 
4500         /* Check if the received packet is acceptable. */
4501         bpacket_match_bssid = (IEEE80211_FTYPE_CTL != type) &&
4502                                (eqMacAddr(priv->ieee80211->current_network.bssid,  (fc & IEEE80211_FCTL_TODS) ? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS) ? hdr->addr2 : hdr->addr3))
4503                                && (!pstats->bHwError) && (!pstats->bCRC) && (!pstats->bICV);
4504         bpacket_toself =  bpacket_match_bssid &
4505                           (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
4506 
4507         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BEACON)
4508                 bPacketBeacon = true;
4509         if (WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) {
4510                 if ((eqMacAddr(praddr, dev->dev_addr)))
4511                         bToSelfBA = true;
4512         }
4513 
4514 
4515 
4516         if (bpacket_match_bssid)
4517                 priv->stats.numpacket_matchbssid++;
4518         if (bpacket_toself)
4519                 priv->stats.numpacket_toself++;
4520         /* Process PHY information for previous packet (RSSI/PWDB/EVM)
4521          * Because phy information is contained in the last packet of AMPDU
4522          * only, so driver should process phy information of previous packet
4523          */
4524         rtl8192_process_phyinfo(priv, tmp_buf, &previous_stats, pstats);
4525         rtl8192_query_rxphystatus(priv, pstats, pdrvinfo, &previous_stats,
4526                                   bpacket_match_bssid, bpacket_toself,
4527                                   bPacketBeacon, bToSelfBA);
4528         rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
4529 }
4530 
4531 /**
4532 * Function:     UpdateReceivedRateHistogramStatistics
4533 * Overview:     Record the received data rate
4534 *
4535 * Input:
4536 *       struct net_device *dev
4537 *       struct ieee80211_rx_stats *stats
4538 *
4539 * Output:
4540 *
4541 *                       (priv->stats.ReceivedRateHistogram[] is updated)
4542 * Return:
4543 *               None
4544 */
4545 static void
4546 UpdateReceivedRateHistogramStatistics8190(struct net_device *dev,
4547                                           struct ieee80211_rx_stats *stats)
4548 {
4549         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4550         /* 0: Total, 1:OK, 2:CRC, 3:ICV */
4551         u32 rcvType = 1;
4552         u32 rateIndex;
4553         /* 1: short preamble/GI, 0: long preamble/GI */
4554         u32 preamble_guardinterval;
4555 
4556 
4557         if (stats->bCRC)
4558                 rcvType = 2;
4559         else if (stats->bICV)
4560                 rcvType = 3;
4561 
4562         if (stats->bShortPreamble)
4563                 preamble_guardinterval = 1; /* short */
4564         else
4565                 preamble_guardinterval = 0; /* long */
4566 
4567         switch (stats->rate) {
4568         /* CCK rate */
4569         case MGN_1M:
4570                 rateIndex = 0;
4571                 break;
4572         case MGN_2M:
4573                 rateIndex = 1;
4574                 break;
4575         case MGN_5_5M:
4576                 rateIndex = 2;
4577                 break;
4578         case MGN_11M:
4579                 rateIndex = 3;
4580                 break;
4581         /* Legacy OFDM rate */
4582         case MGN_6M:
4583                 rateIndex = 4;
4584                 break;
4585         case MGN_9M:
4586                 rateIndex = 5;
4587                 break;
4588         case MGN_12M:
4589                 rateIndex = 6;
4590                 break;
4591         case MGN_18M:
4592                 rateIndex = 7;
4593                 break;
4594         case MGN_24M:
4595                 rateIndex = 8;
4596                 break;
4597         case MGN_36M:
4598                 rateIndex = 9;
4599                 break;
4600         case MGN_48M:
4601                 rateIndex = 10;
4602                 break;
4603         case MGN_54M:
4604                 rateIndex = 11;
4605                 break;
4606         /* 11n High throughput rate */
4607         case MGN_MCS0:
4608                 rateIndex = 12;
4609                 break;
4610         case MGN_MCS1:
4611                 rateIndex = 13;
4612                 break;
4613         case MGN_MCS2:
4614                 rateIndex = 14;
4615                 break;
4616         case MGN_MCS3:
4617                 rateIndex = 15;
4618                 break;
4619         case MGN_MCS4:
4620                 rateIndex = 16;
4621                 break;
4622         case MGN_MCS5:
4623                 rateIndex = 17;
4624                 break;
4625         case MGN_MCS6:
4626                 rateIndex = 18;
4627                 break;
4628         case MGN_MCS7:
4629                 rateIndex = 19;
4630                 break;
4631         case MGN_MCS8:
4632                 rateIndex = 20;
4633                 break;
4634         case MGN_MCS9:
4635                 rateIndex = 21;
4636                 break;
4637         case MGN_MCS10:
4638                 rateIndex = 22;
4639                 break;
4640         case MGN_MCS11:
4641                 rateIndex = 23;
4642                 break;
4643         case MGN_MCS12:
4644                 rateIndex = 24;
4645                 break;
4646         case MGN_MCS13:
4647                 rateIndex = 25;
4648                 break;
4649         case MGN_MCS14:
4650                 rateIndex = 26;
4651                 break;
4652         case MGN_MCS15:
4653                 rateIndex = 27;
4654                 break;
4655         default:
4656                 rateIndex = 28;
4657                 break;
4658         }
4659         priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
4660         priv->stats.received_rate_histogram[0][rateIndex]++; /* total */
4661         priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4662 }
4663 
4664 
4665 static void query_rxdesc_status(struct sk_buff *skb,
4666                                 struct ieee80211_rx_stats *stats,
4667                                 bool bIsRxAggrSubframe)
4668 {
4669         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4670         struct net_device *dev = info->dev;
4671         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4672         rx_drvinfo_819x_usb  *driver_info = NULL;
4673 
4674         /* Get Rx Descriptor Information */
4675         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4676 
4677         stats->Length = desc->Length;
4678         stats->RxDrvInfoSize = desc->RxDrvInfoSize;
4679         stats->RxBufShift = 0;
4680         stats->bICV = desc->ICV;
4681         stats->bCRC = desc->CRC32;
4682         stats->bHwError = stats->bCRC | stats->bICV;
4683         /* RTL8190 set this bit to indicate that Hw does not decrypt packet */
4684         stats->Decrypted = !desc->SWDec;
4685 
4686         if ((priv->ieee80211->pHTInfo->bCurrentHTSupport) &&
4687             (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP))
4688                 stats->bHwError = false;
4689         else
4690                 stats->bHwError = stats->bCRC | stats->bICV;
4691 
4692         if (stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE)
4693                 stats->bHwError |= 1;
4694         /* Get Driver Info */
4695         /* TODO: Need to verify it on FGPA platform
4696          * Driver info are written to the RxBuffer following rx desc
4697          */
4698         if (stats->RxDrvInfoSize != 0) {
4699                 driver_info = (rx_drvinfo_819x_usb *)(
4700                                 skb->data
4701                                 + sizeof(rx_desc_819x_usb)
4702                                 + stats->RxBufShift
4703                               );
4704                 /* unit: 0.5M */
4705                 /* TODO */
4706                 if (!stats->bHwError) {
4707                         u8      ret_rate;
4708 
4709                         ret_rate = HwRateToMRate90(driver_info->RxHT,
4710                                                    driver_info->RxRate);
4711                         if (ret_rate == 0xff) {
4712                                 /* Abnormal Case: Receive CRC OK packet with Rx
4713                                  * descriptor indicating non supported rate.
4714                                  * Special Error Handling here
4715                                  */
4716 
4717                                 stats->bHwError = 1;
4718                                 /* Set 1M rate by default */
4719                                 stats->rate = MGN_1M;
4720                         } else {
4721                                 stats->rate = ret_rate;
4722                         }
4723                 } else {
4724                         stats->rate = 0x02;
4725                 }
4726 
4727                 stats->bShortPreamble = driver_info->SPLCP;
4728 
4729 
4730                 UpdateReceivedRateHistogramStatistics8190(dev, stats);
4731 
4732                 stats->bIsAMPDU = (driver_info->PartAggr == 1);
4733                 stats->bFirstMPDU = (driver_info->PartAggr == 1) &&
4734                                     (driver_info->FirstAGGR == 1);
4735                 stats->TimeStampLow = driver_info->TSFL;
4736 
4737                 UpdateRxPktTimeStamp8190(dev, stats);
4738 
4739                 /* Rx A-MPDU */
4740                 if (driver_info->FirstAGGR == 1 || driver_info->PartAggr == 1)
4741                         RT_TRACE(COMP_RXDESC,
4742                                 "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n",
4743                                  driver_info->FirstAGGR, driver_info->PartAggr);
4744         }
4745 
4746         skb_pull(skb, sizeof(rx_desc_819x_usb));
4747         /* Get Total offset of MPDU Frame Body */
4748         if ((stats->RxBufShift + stats->RxDrvInfoSize) > 0) {
4749                 stats->bShift = 1;
4750                 skb_pull(skb, stats->RxBufShift + stats->RxDrvInfoSize);
4751         }
4752 
4753         if (driver_info) {
4754                 stats->RxIs40MHzPacket = driver_info->BW;
4755                 TranslateRxSignalStuff819xUsb(skb, stats, driver_info);
4756         }
4757 }
4758 
4759 static void rtl8192_rx_nomal(struct sk_buff *skb)
4760 {
4761         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4762         struct net_device *dev = info->dev;
4763         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4764         struct ieee80211_rx_stats stats = {
4765                 .signal = 0,
4766                 .noise = 0x100 - 98,
4767                 .rate = 0,
4768                 .freq = IEEE80211_24GHZ_BAND,
4769         };
4770         u32 rx_pkt_len = 0;
4771         struct rtl_80211_hdr_1addr *ieee80211_hdr = NULL;
4772         bool unicast_packet = false;
4773 
4774         /* 20 is for ps-poll */
4775         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4776                 /* first packet should not contain Rx aggregation header */
4777                 query_rxdesc_status(skb, &stats, false);
4778                 /* TODO */
4779                 /* hardware related info */
4780                 /* Process the MPDU received */
4781                 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4782 
4783                 rx_pkt_len = skb->len;
4784                 ieee80211_hdr = (struct rtl_80211_hdr_1addr *)skb->data;
4785                 unicast_packet = false;
4786                 if (is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4787                         /* TODO */
4788                 } else if (is_multicast_ether_addr(ieee80211_hdr->addr1)) {
4789                         /* TODO */
4790                 } else {
4791                         /* unicast packet */
4792                         unicast_packet = true;
4793                 }
4794 
4795                 if (!ieee80211_rx(priv->ieee80211, skb, &stats)) {
4796                         dev_kfree_skb_any(skb);
4797                 } else {
4798                         priv->stats.rxoktotal++;
4799                         if (unicast_packet)
4800                                 priv->stats.rxbytesunicast += rx_pkt_len;
4801                 }
4802         } else {
4803                 priv->stats.rxurberr++;
4804                 netdev_dbg(dev, "actual_length: %d\n", skb->len);
4805                 dev_kfree_skb_any(skb);
4806         }
4807 }
4808 
4809 static void rtl819xusb_process_received_packet(
4810                 struct net_device *dev,
4811                 struct ieee80211_rx_stats *pstats)
4812 {
4813         u8      *frame;
4814         u16     frame_len = 0;
4815         struct r8192_priv *priv = ieee80211_priv(dev);
4816 
4817         /* Get shifted bytes of Starting address of 802.11 header. */
4818         pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats);
4819         frame = pstats->virtual_address;
4820         frame_len = pstats->packetlength;
4821 #ifdef TODO     /* about HCT */
4822         if (!Adapter->bInHctTest)
4823                 CountRxErrStatistics(Adapter, pRfd);
4824 #endif
4825 #ifdef ENABLE_PS  /* for adding ps function in future */
4826         RT_RF_POWER_STATE rtState;
4827         /* When RF is off, we should not count the packet for hw/sw synchronize
4828          * reason, ie. there may be a duration while sw switch is changed and
4829          * hw switch is being changed.
4830          */
4831         Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE,
4832                                          (u8 *)(&rtState));
4833         if (rtState == eRfOff)
4834                 return;
4835 #endif
4836         priv->stats.rxframgment++;
4837 
4838 #ifdef TODO
4839         RmMonitorSignalStrength(Adapter, pRfd);
4840 #endif
4841         /* We have to release RFD and return if rx pkt is cmd pkt. */
4842         if (rtl819xusb_rx_command_packet(dev, pstats))
4843                 return;
4844 
4845 #ifdef SW_CRC_CHECK
4846         SwCrcCheck();
4847 #endif
4848 
4849 
4850 }
4851 
4852 static void query_rx_cmdpkt_desc_status(struct sk_buff *skb,
4853                                         struct ieee80211_rx_stats *stats)
4854 {
4855         rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data;
4856 
4857         /* Get Rx Descriptor Information */
4858         stats->virtual_address = (u8 *)skb->data;
4859         stats->Length = desc->Length;
4860         stats->RxDrvInfoSize = 0;
4861         stats->RxBufShift = 0;
4862         stats->packetlength = stats->Length - scrclng;
4863         stats->fraglength = stats->packetlength;
4864         stats->fragoffset = 0;
4865         stats->ntotalfrag = 1;
4866 }
4867 
4868 
4869 static void rtl8192_rx_cmd(struct sk_buff *skb)
4870 {
4871         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
4872         struct net_device *dev = info->dev;
4873         /* TODO */
4874         struct ieee80211_rx_stats stats = {
4875                 .signal = 0,
4876                 .noise = 0x100 - 98,
4877                 .rate = 0,
4878                 .freq = IEEE80211_24GHZ_BAND,
4879         };
4880 
4881         if ((skb->len >= (20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) {
4882                 query_rx_cmdpkt_desc_status(skb, &stats);
4883                 /* prfd->queue_id = 1; */
4884 
4885                 /* Process the command packet received. */
4886 
4887                 rtl819xusb_process_received_packet(dev, &stats);
4888 
4889                 dev_kfree_skb_any(skb);
4890         }
4891 }
4892 
4893 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
4894 {
4895         struct sk_buff *skb;
4896         struct rtl8192_rx_info *info;
4897 
4898         while (NULL != (skb = skb_dequeue(&priv->skb_queue))) {
4899                 info = (struct rtl8192_rx_info *)skb->cb;
4900                 switch (info->out_pipe) {
4901                 /* Nomal packet pipe */
4902                 case 3:
4903                         priv->IrpPendingCount--;
4904                         rtl8192_rx_nomal(skb);
4905                         break;
4906 
4907                 /* Command packet pipe */
4908                 case 9:
4909                         RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",
4910                                  info->out_pipe);
4911 
4912                         rtl8192_rx_cmd(skb);
4913                         break;
4914 
4915                 default: /* should never get here! */
4916                         RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",
4917                                  info->out_pipe);
4918                         dev_kfree_skb(skb);
4919                         break;
4920                 }
4921         }
4922 }
4923 
4924 static const struct net_device_ops rtl8192_netdev_ops = {
4925         .ndo_open               = rtl8192_open,
4926         .ndo_stop               = rtl8192_close,
4927         .ndo_get_stats          = rtl8192_stats,
4928         .ndo_tx_timeout         = tx_timeout,
4929         .ndo_do_ioctl           = rtl8192_ioctl,
4930         .ndo_set_rx_mode        = r8192_set_multicast,
4931         .ndo_set_mac_address    = r8192_set_mac_adr,
4932         .ndo_validate_addr      = eth_validate_addr,
4933         .ndo_change_mtu         = eth_change_mtu,
4934         .ndo_start_xmit         = ieee80211_xmit,
4935 };
4936 
4937 
4938 /****************************************************************************
4939      ---------------------------- USB_STUFF---------------------------
4940 *****************************************************************************/
4941 
4942 static int rtl8192_usb_probe(struct usb_interface *intf,
4943                              const struct usb_device_id *id)
4944 {
4945         struct net_device *dev = NULL;
4946         struct r8192_priv *priv = NULL;
4947         struct usb_device *udev = interface_to_usbdev(intf);
4948         int ret;
4949 
4950         RT_TRACE(COMP_INIT, "Oops: i'm coming\n");
4951 
4952         dev = alloc_ieee80211(sizeof(struct r8192_priv));
4953         if (!dev)
4954                 return -ENOMEM;
4955 
4956         usb_set_intfdata(intf, dev);
4957         SET_NETDEV_DEV(dev, &intf->dev);
4958         priv = ieee80211_priv(dev);
4959         priv->ieee80211 = netdev_priv(dev);
4960         priv->udev = udev;
4961 
4962         dev->netdev_ops = &rtl8192_netdev_ops;
4963 
4964         dev->wireless_handlers = &r8192_wx_handlers_def;
4965 
4966         dev->type = ARPHRD_ETHER;
4967 
4968         dev->watchdog_timeo = HZ * 3;
4969 
4970         if (dev_alloc_name(dev, ifname) < 0) {
4971                 RT_TRACE(COMP_INIT,
4972                          "Oops: devname already taken! Trying wlan%%d...\n");
4973                 ifname = "wlan%d";
4974                 dev_alloc_name(dev, ifname);
4975         }
4976 
4977         RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4978         if (rtl8192_init(dev) != 0) {
4979                 RT_TRACE(COMP_ERR, "Initialization failed");
4980                 ret = -ENODEV;
4981                 goto fail;
4982         }
4983         netif_carrier_off(dev);
4984         netif_stop_queue(dev);
4985 
4986         ret = register_netdev(dev);
4987         if (ret)
4988                 goto fail2;
4989 
4990         RT_TRACE(COMP_INIT, "dev name=======> %s\n", dev->name);
4991         rtl8192_proc_init_one(dev);
4992 
4993 
4994         RT_TRACE(COMP_INIT, "Driver probe completed\n");
4995         return 0;
4996 
4997 fail2:
4998         rtl8192_down(dev);
4999         kfree(priv->pFirmware);
5000         priv->pFirmware = NULL;
5001         rtl8192_usb_deleteendpoints(dev);
5002         mdelay(10);
5003 fail:
5004         free_ieee80211(dev);
5005 
5006         RT_TRACE(COMP_ERR, "wlan driver load failed\n");
5007         return ret;
5008 }
5009 
5010 /* detach all the work and timer structure declared or inititialize
5011  * in r8192U_init function.
5012  */
5013 static void rtl8192_cancel_deferred_work(struct r8192_priv *priv)
5014 {
5015         cancel_work_sync(&priv->reset_wq);
5016         cancel_delayed_work(&priv->watch_dog_wq);
5017         cancel_delayed_work(&priv->update_beacon_wq);
5018         cancel_work_sync(&priv->qos_activate);
5019 }
5020 
5021 
5022 static void rtl8192_usb_disconnect(struct usb_interface *intf)
5023 {
5024         struct net_device *dev = usb_get_intfdata(intf);
5025         struct r8192_priv *priv = ieee80211_priv(dev);
5026 
5027         if (dev) {
5028                 unregister_netdev(dev);
5029 
5030                 RT_TRACE(COMP_DOWN,
5031                          "=============>wlan driver to be removed\n");
5032                 rtl8192_proc_remove_one(dev);
5033 
5034                 rtl8192_down(dev);
5035                 kfree(priv->pFirmware);
5036                 priv->pFirmware = NULL;
5037                 rtl8192_usb_deleteendpoints(dev);
5038                 mdelay(10);
5039         }
5040         free_ieee80211(dev);
5041         RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5042 }
5043 
5044 static int __init rtl8192_usb_module_init(void)
5045 {
5046         int ret;
5047 
5048 #ifdef CONFIG_IEEE80211_DEBUG
5049         ret = ieee80211_debug_init();
5050         if (ret) {
5051                 pr_err("ieee80211_debug_init() failed %d\n", ret);
5052                 return ret;
5053         }
5054 #endif
5055         ret = ieee80211_crypto_init();
5056         if (ret) {
5057                 pr_err("ieee80211_crypto_init() failed %d\n", ret);
5058                 return ret;
5059         }
5060 
5061         ret = ieee80211_crypto_tkip_init();
5062         if (ret) {
5063                 pr_err("ieee80211_crypto_tkip_init() failed %d\n", ret);
5064                 return ret;
5065         }
5066 
5067         ret = ieee80211_crypto_ccmp_init();
5068         if (ret) {
5069                 pr_err("ieee80211_crypto_ccmp_init() failed %d\n", ret);
5070                 return ret;
5071         }
5072 
5073         ret = ieee80211_crypto_wep_init();
5074         if (ret) {
5075                 pr_err("ieee80211_crypto_wep_init() failed %d\n", ret);
5076                 return ret;
5077         }
5078 
5079         pr_info("\nLinux kernel driver for RTL8192 based WLAN cards\n");
5080         pr_info("Copyright (c) 2007-2008, Realsil Wlan\n");
5081         RT_TRACE(COMP_INIT, "Initializing module");
5082         RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5083         rtl8192_proc_module_init();
5084         return usb_register(&rtl8192_usb_driver);
5085 }
5086 
5087 
5088 static void __exit rtl8192_usb_module_exit(void)
5089 {
5090         usb_deregister(&rtl8192_usb_driver);
5091 
5092         RT_TRACE(COMP_DOWN, "Exiting");
5093 }
5094 
5095 void EnableHWSecurityConfig8192(struct net_device *dev)
5096 {
5097         u8 SECR_value = 0x0;
5098         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5099         struct ieee80211_device *ieee = priv->ieee80211;
5100 
5101         SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5102         if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2)) {
5103                 SECR_value |= SCR_RxUseDK;
5104                 SECR_value |= SCR_TxUseDK;
5105         } else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP))) {
5106                 SECR_value |= SCR_RxUseDK;
5107                 SECR_value |= SCR_TxUseDK;
5108         }
5109         /* add HWSec active enable here.
5110          * default using hwsec. when peer AP is in N mode only and
5111          * pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates
5112          * it), use software security. when peer AP is in b,g,n mode mixed and
5113          * pairwise_key_type is none_aes, use g mode hw security.
5114          */
5115 
5116         ieee->hwsec_active = 1;
5117 
5118         /* add hwsec_support flag to totol control hw_sec on/off */
5119         if ((ieee->pHTInfo->IOTAction & HT_IOT_ACT_PURE_N_MODE) || !hwwep) {
5120                 ieee->hwsec_active = 0;
5121                 SECR_value &= ~SCR_RxDecEnable;
5122         }
5123         RT_TRACE(COMP_SEC, "%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n",
5124                  __func__, ieee->hwsec_active, ieee->pairwise_key_type,
5125                  SECR_value);
5126         write_nic_byte(dev, SECR,  SECR_value);
5127 }
5128 
5129 
5130 void setKey(struct net_device *dev, u8 EntryNo, u8 KeyIndex, u16 KeyType,
5131             u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
5132 {
5133         u32 TargetCommand = 0;
5134         u32 TargetContent = 0;
5135         u16 usConfig = 0;
5136         u8 i;
5137 
5138         if (EntryNo >= TOTAL_CAM_ENTRY)
5139                 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5140 
5141         RT_TRACE(COMP_SEC,
5142                  "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n",
5143                  dev, EntryNo, KeyIndex, KeyType, MacAddr);
5144 
5145         if (DefaultKey)
5146                 usConfig |= BIT(15) | (KeyType << 2);
5147         else
5148                 usConfig |= BIT(15) | (KeyType << 2) | KeyIndex;
5149 
5150 
5151         for (i = 0; i < CAM_CONTENT_COUNT; i++) {
5152                 TargetCommand  = i + CAM_CONTENT_COUNT * EntryNo;
5153                 TargetCommand |= BIT(31) | BIT(16);
5154 
5155                 if (i == 0) { /* MAC|Config */
5156                         TargetContent = (u32)(*(MacAddr + 0)) << 16 |
5157                                         (u32)(*(MacAddr + 1)) << 24 |
5158                                         (u32)usConfig;
5159 
5160                         write_nic_dword(dev, WCAMI, TargetContent);
5161                         write_nic_dword(dev, RWCAM, TargetCommand);
5162                 } else if (i == 1) { /* MAC */
5163                         TargetContent = (u32)(*(MacAddr + 2))    |
5164                                         (u32)(*(MacAddr + 3)) <<  8 |
5165                                         (u32)(*(MacAddr + 4)) << 16 |
5166                                         (u32)(*(MacAddr + 5)) << 24;
5167                         write_nic_dword(dev, WCAMI, TargetContent);
5168                         write_nic_dword(dev, RWCAM, TargetCommand);
5169                 } else {
5170                         /* Key Material */
5171                         if (KeyContent) {
5172                                 write_nic_dword(dev, WCAMI,
5173                                                 *(KeyContent + i - 2));
5174                                 write_nic_dword(dev, RWCAM, TargetCommand);
5175                         }
5176                 }
5177         }
5178 }
5179 
5180 /***************************************************************************
5181      ------------------- module init / exit stubs ----------------
5182 ****************************************************************************/
5183 module_init(rtl8192_usb_module_init);
5184 module_exit(rtl8192_usb_module_exit);
5185 

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