532a71364b346eaa36386fde861f9b1d2f8b00f1
[muen/linux.git] / 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, "%s TimeOut! status: %d\n", __func__, status);
274                 return status;
275         }
276         return 0;
277 }
278
279 int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
280 {
281         int status;
282         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
283         struct usb_device *udev = priv->udev;
284         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
285
286         if (!usbdata)
287                 return -ENOMEM;
288
289         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
290                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
291                                  indx | 0xfe00, 0, usbdata, 1, HZ / 2);
292         *data = *usbdata;
293         kfree(usbdata);
294
295         if (status < 0) {
296                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
297                 return status;
298         }
299
300         return 0;
301 }
302
303 /* as 92U has extend page from 4 to 16, so modify functions below. */
304 int write_nic_byte(struct net_device *dev, int indx, u8 data)
305 {
306         int status;
307
308         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
309         struct usb_device *udev = priv->udev;
310         u8 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
311
312         if (!usbdata)
313                 return -ENOMEM;
314         *usbdata = data;
315
316         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
317                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
318                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
319                                  usbdata, 1, HZ / 2);
320         kfree(usbdata);
321
322         if (status < 0) {
323                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
324                 return status;
325         }
326
327         return 0;
328 }
329
330
331 int write_nic_word(struct net_device *dev, int indx, u16 data)
332 {
333         int status;
334
335         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
336         struct usb_device *udev = priv->udev;
337         u16 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
338
339         if (!usbdata)
340                 return -ENOMEM;
341         *usbdata = data;
342
343         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
344                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
345                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
346                                  usbdata, 2, HZ / 2);
347         kfree(usbdata);
348
349         if (status < 0) {
350                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
351                 return status;
352         }
353
354         return 0;
355 }
356
357
358 int write_nic_dword(struct net_device *dev, int indx, u32 data)
359 {
360         int status;
361
362         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
363         struct usb_device *udev = priv->udev;
364         u32 *usbdata = kzalloc(sizeof(data), GFP_KERNEL);
365
366         if (!usbdata)
367                 return -ENOMEM;
368         *usbdata = data;
369
370         status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
371                                  RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
372                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
373                                  usbdata, 4, HZ / 2);
374         kfree(usbdata);
375
376
377         if (status < 0) {
378                 netdev_err(dev, "%s TimeOut! status: %d\n", __func__, status);
379                 return status;
380         }
381
382         return 0;
383 }
384
385
386
387 int read_nic_byte(struct net_device *dev, int indx, u8 *data)
388 {
389         int status;
390         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
391         struct usb_device *udev = priv->udev;
392         u8 *usbdata = kzalloc(sizeof(u8), GFP_KERNEL);
393
394         if (!usbdata)
395                 return -ENOMEM;
396
397         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
398                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
399                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
400                                  usbdata, 1, HZ / 2);
401         *data = *usbdata;
402         kfree(usbdata);
403
404         if (status < 0) {
405                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
406                 return status;
407         }
408
409         return 0;
410 }
411
412
413
414 int read_nic_word(struct net_device *dev, int indx, u16 *data)
415 {
416         int status;
417         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
418         struct usb_device *udev = priv->udev;
419         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
420
421         if (!usbdata)
422                 return -ENOMEM;
423
424         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
425                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
426                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
427                                  usbdata, 2, HZ / 2);
428         *data = *usbdata;
429         kfree(usbdata);
430
431         if (status < 0) {
432                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
433                 return status;
434         }
435
436         return 0;
437 }
438
439 static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
440 {
441         int status;
442         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
443         struct usb_device *udev = priv->udev;
444         u16 *usbdata = kzalloc(sizeof(u16), GFP_KERNEL);
445
446         if (!usbdata)
447                 return -ENOMEM;
448
449         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
450                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
451                                  indx | 0xfe00, 0, usbdata, 2, HZ / 2);
452         *data = *usbdata;
453         kfree(usbdata);
454
455         if (status < 0) {
456                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
457                 return status;
458         }
459
460         return 0;
461 }
462
463 int read_nic_dword(struct net_device *dev, int indx, u32 *data)
464 {
465         int status;
466
467         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
468         struct usb_device *udev = priv->udev;
469         u32 *usbdata = kzalloc(sizeof(u32), GFP_KERNEL);
470
471         if (!usbdata)
472                 return -ENOMEM;
473
474         status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
475                                  RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
476                                  (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
477                                  usbdata, 4, HZ / 2);
478         *data = *usbdata;
479         kfree(usbdata);
480
481         if (status < 0) {
482                 netdev_err(dev, "%s failure status: %d\n", __func__, status);
483                 return status;
484         }
485
486         return 0;
487 }
488
489 /* u8 read_phy_cck(struct net_device *dev, u8 adr); */
490 /* u8 read_phy_ofdm(struct net_device *dev, u8 adr); */
491 /* this might still called in what was the PHY rtl8185/rtl8192 common code
492  * plans are to possibility turn it again in one common code...
493  */
494 inline void force_pci_posting(struct net_device *dev)
495 {
496 }
497
498 static struct net_device_stats *rtl8192_stats(struct net_device *dev);
499 static void rtl8192_restart(struct work_struct *work);
500 static void watch_dog_timer_callback(struct timer_list *t);
501
502 /****************************************************************************
503  *   -----------------------------PROCFS STUFF-------------------------
504  ****************************************************************************/
505
506 static struct proc_dir_entry *rtl8192_proc;
507
508 static int proc_get_stats_ap(struct seq_file *m, void *v)
509 {
510         struct net_device *dev = m->private;
511         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
512         struct ieee80211_device *ieee = priv->ieee80211;
513         struct ieee80211_network *target;
514
515         list_for_each_entry(target, &ieee->network_list, list) {
516                 const char *wpa = "non_WPA";
517
518                 if (target->wpa_ie_len > 0 || target->rsn_ie_len > 0)
519                         wpa = "WPA";
520
521                 seq_printf(m, "%s %s\n", target->ssid, wpa);
522         }
523
524         return 0;
525 }
526
527 static int proc_get_registers(struct seq_file *m, void *v)
528 {
529         struct net_device *dev = m->private;
530         int i, n, max = 0xff;
531         u8 byte_rd;
532
533         seq_puts(m, "\n####################page 0##################\n ");
534
535         for (n = 0; n <= max;) {
536                 seq_printf(m, "\nD:  %2x > ", n);
537
538                 for (i = 0; i < 16 && n <= max; i++, n++) {
539                         read_nic_byte(dev, 0x000 | n, &byte_rd);
540                         seq_printf(m, "%2x ", byte_rd);
541                 }
542         }
543
544         seq_puts(m, "\n####################page 1##################\n ");
545         for (n = 0; n <= max;) {
546                 seq_printf(m, "\nD:  %2x > ", n);
547
548                 for (i = 0; i < 16 && n <= max; i++, n++) {
549                         read_nic_byte(dev, 0x100 | n, &byte_rd);
550                         seq_printf(m, "%2x ", byte_rd);
551                 }
552         }
553
554         seq_puts(m, "\n####################page 3##################\n ");
555         for (n = 0; n <= max;) {
556                 seq_printf(m, "\nD:  %2x > ", n);
557
558                 for (i = 0; i < 16 && n <= max; i++, n++) {
559                         read_nic_byte(dev, 0x300 | n, &byte_rd);
560                         seq_printf(m, "%2x ", byte_rd);
561                 }
562         }
563
564         seq_putc(m, '\n');
565         return 0;
566 }
567
568 static int proc_get_stats_tx(struct seq_file *m, void *v)
569 {
570         struct net_device *dev = m->private;
571         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
572
573         seq_printf(m,
574                    "TX VI priority ok int: %lu\n"
575                    "TX VI priority error int: %lu\n"
576                    "TX VO priority ok int: %lu\n"
577                    "TX VO priority error int: %lu\n"
578                    "TX BE priority ok int: %lu\n"
579                    "TX BE priority error int: %lu\n"
580                    "TX BK priority ok int: %lu\n"
581                    "TX BK priority error int: %lu\n"
582                    "TX MANAGE priority ok int: %lu\n"
583                    "TX MANAGE priority error int: %lu\n"
584                    "TX BEACON priority ok int: %lu\n"
585                    "TX BEACON priority error int: %lu\n"
586                    "TX queue resume: %lu\n"
587                    "TX queue stopped?: %d\n"
588                    "TX fifo overflow: %lu\n"
589                    "TX VI queue: %d\n"
590                    "TX VO queue: %d\n"
591                    "TX BE queue: %d\n"
592                    "TX BK queue: %d\n"
593                    "TX VI dropped: %lu\n"
594                    "TX VO dropped: %lu\n"
595                    "TX BE dropped: %lu\n"
596                    "TX BK dropped: %lu\n"
597                    "TX total data packets %lu\n",
598                    priv->stats.txviokint,
599                    priv->stats.txvierr,
600                    priv->stats.txvookint,
601                    priv->stats.txvoerr,
602                    priv->stats.txbeokint,
603                    priv->stats.txbeerr,
604                    priv->stats.txbkokint,
605                    priv->stats.txbkerr,
606                    priv->stats.txmanageokint,
607                    priv->stats.txmanageerr,
608                    priv->stats.txbeaconokint,
609                    priv->stats.txbeaconerr,
610                    priv->stats.txresumed,
611                    netif_queue_stopped(dev),
612                    priv->stats.txoverflow,
613                    atomic_read(&(priv->tx_pending[VI_PRIORITY])),
614                    atomic_read(&(priv->tx_pending[VO_PRIORITY])),
615                    atomic_read(&(priv->tx_pending[BE_PRIORITY])),
616                    atomic_read(&(priv->tx_pending[BK_PRIORITY])),
617                    priv->stats.txvidrop,
618                    priv->stats.txvodrop,
619                    priv->stats.txbedrop,
620                    priv->stats.txbkdrop,
621                    priv->stats.txdatapkt
622                 );
623
624         return 0;
625 }
626
627 static int proc_get_stats_rx(struct seq_file *m, void *v)
628 {
629         struct net_device *dev = m->private;
630         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
631
632         seq_printf(m,
633                    "RX packets: %lu\n"
634                    "RX urb status error: %lu\n"
635                    "RX invalid urb error: %lu\n",
636                    priv->stats.rxoktotal,
637                    priv->stats.rxstaterr,
638                    priv->stats.rxurberr);
639
640         return 0;
641 }
642
643 static void rtl8192_proc_module_init(void)
644 {
645         RT_TRACE(COMP_INIT, "Initializing proc filesystem");
646         rtl8192_proc = proc_mkdir(RTL819xU_MODULE_NAME, init_net.proc_net);
647 }
648
649 /*
650  * seq_file wrappers for procfile show routines.
651  */
652 static int rtl8192_proc_open(struct inode *inode, struct file *file)
653 {
654         struct net_device *dev = proc_get_parent_data(inode);
655         int (*show)(struct seq_file *, void *) = PDE_DATA(inode);
656
657         return single_open(file, show, dev);
658 }
659
660 static const struct file_operations rtl8192_proc_fops = {
661         .open           = rtl8192_proc_open,
662         .read           = seq_read,
663         .llseek         = seq_lseek,
664         .release        = single_release,
665 };
666
667 /*
668  * Table of proc files we need to create.
669  */
670 struct rtl8192_proc_file {
671         char name[12];
672         int (*show)(struct seq_file *, void *);
673 };
674
675 static const struct rtl8192_proc_file rtl8192_proc_files[] = {
676         { "stats-rx",   &proc_get_stats_rx },
677         { "stats-tx",   &proc_get_stats_tx },
678         { "stats-ap",   &proc_get_stats_ap },
679         { "registers",  &proc_get_registers },
680         { "" }
681 };
682
683 static void rtl8192_proc_init_one(struct net_device *dev)
684 {
685         const struct rtl8192_proc_file *f;
686         struct proc_dir_entry *dir;
687
688         if (rtl8192_proc) {
689                 dir = proc_mkdir_data(dev->name, 0, rtl8192_proc, dev);
690                 if (!dir) {
691                         RT_TRACE(COMP_ERR,
692                                  "Unable to initialize /proc/net/rtl8192/%s\n",
693                                  dev->name);
694                         return;
695                 }
696
697                 for (f = rtl8192_proc_files; f->name[0]; f++) {
698                         if (!proc_create_data(f->name, S_IFREG | S_IRUGO, dir,
699                                               &rtl8192_proc_fops, f->show)) {
700                                 RT_TRACE(COMP_ERR,
701                                          "Unable to initialize /proc/net/rtl8192/%s/%s\n",
702                                          dev->name, f->name);
703                                 return;
704                         }
705                 }
706         }
707 }
708
709 static void rtl8192_proc_remove_one(struct net_device *dev)
710 {
711         remove_proc_subtree(dev->name, rtl8192_proc);
712 }
713
714 /****************************************************************************
715  *  -----------------------------MISC STUFF-------------------------
716  *****************************************************************************/
717
718 short check_nic_enough_desc(struct net_device *dev, int queue_index)
719 {
720         struct r8192_priv *priv = ieee80211_priv(dev);
721         int used = atomic_read(&priv->tx_pending[queue_index]);
722
723         return (used < MAX_TX_URB);
724 }
725
726 static void tx_timeout(struct net_device *dev)
727 {
728         struct r8192_priv *priv = ieee80211_priv(dev);
729
730         schedule_work(&priv->reset_wq);
731 }
732
733 void rtl8192_update_msr(struct net_device *dev)
734 {
735         struct r8192_priv *priv = ieee80211_priv(dev);
736         u8 msr;
737
738         read_nic_byte(dev, MSR, &msr);
739         msr &= ~MSR_LINK_MASK;
740
741         /* do not change in link_state != WLAN_LINK_ASSOCIATED.
742          * msr must be updated if the state is ASSOCIATING.
743          * this is intentional and make sense for ad-hoc and
744          * master (see the create BSS/IBSS func)
745          */
746         if (priv->ieee80211->state == IEEE80211_LINKED) {
747                 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
748                         msr |= (MSR_LINK_MANAGED << MSR_LINK_SHIFT);
749                 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
750                         msr |= (MSR_LINK_ADHOC << MSR_LINK_SHIFT);
751                 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
752                         msr |= (MSR_LINK_MASTER << MSR_LINK_SHIFT);
753
754         } else {
755                 msr |= (MSR_LINK_NONE << MSR_LINK_SHIFT);
756         }
757
758         write_nic_byte(dev, MSR, msr);
759 }
760
761 void rtl8192_set_chan(struct net_device *dev, short ch)
762 {
763         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
764
765         RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __func__, ch);
766         priv->chan = ch;
767
768         /* this hack should avoid frame TX during channel setting*/
769
770         /* need to implement rf set channel here */
771
772         if (priv->rf_set_chan)
773                 priv->rf_set_chan(dev, priv->chan);
774         mdelay(10);
775 }
776
777 static void rtl8192_rx_isr(struct urb *urb);
778
779 static u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats)
780 {
781         return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize
782                 + pstats->RxBufShift);
783 }
784
785 static int rtl8192_rx_initiate(struct net_device *dev)
786 {
787         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
788         struct urb *entry;
789         struct sk_buff *skb;
790         struct rtl8192_rx_info *info;
791
792         /* nomal packet rx procedure */
793         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) {
794                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
795                 if (!skb)
796                         break;
797                 entry = usb_alloc_urb(0, GFP_KERNEL);
798                 if (!entry) {
799                         kfree_skb(skb);
800                         break;
801                 }
802                 usb_fill_bulk_urb(entry, priv->udev,
803                                   usb_rcvbulkpipe(priv->udev, 3),
804                                   skb_tail_pointer(skb),
805                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
806                 info = (struct rtl8192_rx_info *)skb->cb;
807                 info->urb = entry;
808                 info->dev = dev;
809                 info->out_pipe = 3; /* denote rx normal packet queue */
810                 skb_queue_tail(&priv->rx_queue, skb);
811                 usb_submit_urb(entry, GFP_KERNEL);
812         }
813
814         /* command packet rx procedure */
815         while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) {
816                 skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL);
817                 if (!skb)
818                         break;
819                 entry = usb_alloc_urb(0, GFP_KERNEL);
820                 if (!entry) {
821                         kfree_skb(skb);
822                         break;
823                 }
824                 usb_fill_bulk_urb(entry, priv->udev,
825                                   usb_rcvbulkpipe(priv->udev, 9),
826                                   skb_tail_pointer(skb),
827                                   RX_URB_SIZE, rtl8192_rx_isr, skb);
828                 info = (struct rtl8192_rx_info *)skb->cb;
829                 info->urb = entry;
830                 info->dev = dev;
831                 info->out_pipe = 9; /* denote rx cmd packet queue */
832                 skb_queue_tail(&priv->rx_queue, skb);
833                 usb_submit_urb(entry, GFP_KERNEL);
834         }
835
836         return 0;
837 }
838
839 void rtl8192_set_rxconf(struct net_device *dev)
840 {
841         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
842         u32 rxconf;
843
844         read_nic_dword(dev, RCR, &rxconf);
845         rxconf = rxconf & ~MAC_FILTER_MASK;
846         rxconf = rxconf | RCR_AMF;
847         rxconf = rxconf | RCR_ADF;
848         rxconf = rxconf | RCR_AB;
849         rxconf = rxconf | RCR_AM;
850
851         if (dev->flags & IFF_PROMISC)
852                 DMESG("NIC in promisc mode");
853
854         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR ||
855             dev->flags & IFF_PROMISC) {
856                 rxconf = rxconf | RCR_AAP;
857         } else {
858                 rxconf = rxconf | RCR_APM;
859                 rxconf = rxconf | RCR_CBSSID;
860         }
861
862
863         if (priv->ieee80211->iw_mode == IW_MODE_MONITOR) {
864                 rxconf = rxconf | RCR_AICV;
865                 rxconf = rxconf | RCR_APWRMGT;
866         }
867
868         if (priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR)
869                 rxconf = rxconf | RCR_ACRC32;
870
871
872         rxconf = rxconf & ~RX_FIFO_THRESHOLD_MASK;
873         rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE << RX_FIFO_THRESHOLD_SHIFT);
874         rxconf = rxconf & ~MAX_RX_DMA_MASK;
875         rxconf = rxconf | ((u32)7 << RCR_MXDMA_OFFSET);
876
877         rxconf = rxconf | RCR_ONLYERLPKT;
878
879         write_nic_dword(dev, RCR, rxconf);
880 }
881
882 /* wait to be removed */
883 void rtl8192_rx_enable(struct net_device *dev)
884 {
885         rtl8192_rx_initiate(dev);
886 }
887
888
889 void rtl8192_tx_enable(struct net_device *dev)
890 {
891 }
892
893
894
895 void rtl8192_rtx_disable(struct net_device *dev)
896 {
897         u8 cmd;
898         struct r8192_priv *priv = ieee80211_priv(dev);
899         struct sk_buff *skb;
900         struct rtl8192_rx_info *info;
901
902         read_nic_byte(dev, CMDR, &cmd);
903         write_nic_byte(dev, CMDR, cmd & ~(CR_TE | CR_RE));
904         force_pci_posting(dev);
905         mdelay(10);
906
907         while ((skb = __skb_dequeue(&priv->rx_queue))) {
908                 info = (struct rtl8192_rx_info *)skb->cb;
909                 if (!info->urb)
910                         continue;
911
912                 usb_kill_urb(info->urb);
913                 kfree_skb(skb);
914         }
915
916         if (skb_queue_len(&priv->skb_queue))
917                 netdev_warn(dev, "skb_queue not empty\n");
918
919         skb_queue_purge(&priv->skb_queue);
920 }
921
922 /* The prototype of rx_isr has changed since one version of Linux Kernel */
923 static void rtl8192_rx_isr(struct urb *urb)
924 {
925         struct sk_buff *skb = (struct sk_buff *)urb->context;
926         struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb;
927         struct net_device *dev = info->dev;
928         struct r8192_priv *priv = ieee80211_priv(dev);
929         int out_pipe = info->out_pipe;
930         int err;
931
932         if (!priv->up)
933                 return;
934
935         if (unlikely(urb->status)) {
936                 info->urb = NULL;
937                 priv->stats.rxstaterr++;
938                 priv->ieee80211->stats.rx_errors++;
939                 usb_free_urb(urb);
940                 return;
941         }
942         skb_unlink(skb, &priv->rx_queue);
943         skb_put(skb, urb->actual_length);
944
945         skb_queue_tail(&priv->skb_queue, skb);
946         tasklet_schedule(&priv->irq_rx_tasklet);
947
948         skb = dev_alloc_skb(RX_URB_SIZE);
949         if (unlikely(!skb)) {
950                 usb_free_urb(urb);
951                 netdev_err(dev, "%s(): can't alloc skb\n", __func__);
952                 /* TODO check rx queue length and refill *somewhere* */
953                 return;
954         }
955
956         usb_fill_bulk_urb(urb, priv->udev,
957                           usb_rcvbulkpipe(priv->udev, out_pipe),
958                           skb_tail_pointer(skb),
959                           RX_URB_SIZE, rtl8192_rx_isr, skb);
960
961         info = (struct rtl8192_rx_info *)skb->cb;
962         info->urb = urb;
963         info->dev = dev;
964         info->out_pipe = out_pipe;
965
966         urb->transfer_buffer = skb_tail_pointer(skb);
967         urb->context = skb;
968         skb_queue_tail(&priv->rx_queue, skb);
969         err = usb_submit_urb(urb, GFP_ATOMIC);
970         if (err && err != EPERM)
971                 netdev_err(dev,
972                            "can not submit rxurb, err is %x, URB status is %x\n",
973                            err, urb->status);
974 }
975
976 static u32 rtl819xusb_rx_command_packet(struct net_device *dev,
977                                         struct ieee80211_rx_stats *pstats)
978 {
979         u32     status;
980
981         status = cmpk_message_handle_rx(dev, pstats);
982         if (status)
983                 DMESG("rxcommandpackethandle819xusb: It is a command packet\n");
984
985         return status;
986 }
987
988
989 static void rtl8192_data_hard_stop(struct net_device *dev)
990 {
991         /* FIXME !! */
992 }
993
994
995 static void rtl8192_data_hard_resume(struct net_device *dev)
996 {
997         /* FIXME !! */
998 }
999
1000 /* this function TX data frames when the ieee80211 stack requires this.
1001  * It checks also if we need to stop the ieee tx queue, eventually do it
1002  */
1003 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
1004                                    int rate)
1005 {
1006         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1007         int ret;
1008         unsigned long flags;
1009         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1010         u8 queue_index = tcb_desc->queue_index;
1011
1012         /* shall not be referred by command packet */
1013         RTL8192U_ASSERT(queue_index != TXCMD_QUEUE);
1014
1015         spin_lock_irqsave(&priv->tx_lock, flags);
1016
1017         *(struct net_device **)(skb->cb) = dev;
1018         tcb_desc->bTxEnableFwCalcDur = 1;
1019         skb_push(skb, priv->ieee80211->tx_headroom);
1020         ret = rtl8192_tx(dev, skb);
1021
1022         spin_unlock_irqrestore(&priv->tx_lock, flags);
1023 }
1024
1025 /* This is a rough attempt to TX a frame
1026  * This is called by the ieee 80211 stack to TX management frames.
1027  * If the ring is full packet are dropped (for data frame the queue
1028  * is stopped before this can happen).
1029  */
1030 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
1031 {
1032         struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1033         int ret;
1034         unsigned long flags;
1035         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1036         u8 queue_index = tcb_desc->queue_index;
1037
1038
1039         spin_lock_irqsave(&priv->tx_lock, flags);
1040
1041         memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
1042         if (queue_index == TXCMD_QUEUE) {
1043                 skb_push(skb, USB_HWDESC_HEADER_LEN);
1044                 rtl819xU_tx_cmd(dev, skb);
1045                 ret = 1;
1046         } else {
1047                 skb_push(skb, priv->ieee80211->tx_headroom);
1048                 ret = rtl8192_tx(dev, skb);
1049         }
1050
1051         spin_unlock_irqrestore(&priv->tx_lock, flags);
1052
1053         return ret;
1054 }
1055
1056 static void rtl8192_tx_isr(struct urb *tx_urb)
1057 {
1058         struct sk_buff *skb = (struct sk_buff *)tx_urb->context;
1059         struct net_device *dev;
1060         struct r8192_priv *priv = NULL;
1061         struct cb_desc *tcb_desc;
1062         u8  queue_index;
1063
1064         if (!skb)
1065                 return;
1066
1067         dev = *(struct net_device **)(skb->cb);
1068         tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1069         queue_index = tcb_desc->queue_index;
1070
1071         priv = ieee80211_priv(dev);
1072
1073         if (tcb_desc->queue_index != TXCMD_QUEUE) {
1074                 if (tx_urb->status == 0) {
1075                         netif_trans_update(dev);
1076                         priv->stats.txoktotal++;
1077                         priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
1078                         priv->stats.txbytesunicast +=
1079                                 (skb->len - priv->ieee80211->tx_headroom);
1080                 } else {
1081                         priv->ieee80211->stats.tx_errors++;
1082                         /* TODO */
1083                 }
1084         }
1085
1086         /* free skb and tx_urb */
1087         dev_kfree_skb_any(skb);
1088         usb_free_urb(tx_urb);
1089         atomic_dec(&priv->tx_pending[queue_index]);
1090
1091         /*
1092          * Handle HW Beacon:
1093          * We had transfer our beacon frame to host controller at this moment.
1094          *
1095          *
1096          * Caution:
1097          * Handling the wait queue of command packets.
1098          * For Tx command packets, we must not do TCB fragment because it is
1099          * not handled right now. We must cut the packets to match the size of
1100          * TX_CMD_PKT before we send it.
1101          */
1102
1103         /* Handle MPDU in wait queue. */
1104         if (queue_index != BEACON_QUEUE) {
1105                 /* Don't send data frame during scanning.*/
1106                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0) &&
1107                     (!(priv->ieee80211->queue_stop))) {
1108                         skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index]));
1109                         if (skb)
1110                                 priv->ieee80211->softmac_hard_start_xmit(skb,
1111                                                                          dev);
1112
1113                         return; /* avoid further processing AMSDU */
1114                 }
1115         }
1116 }
1117
1118 static void rtl8192_config_rate(struct net_device *dev, u16 *rate_config)
1119 {
1120         struct r8192_priv *priv = ieee80211_priv(dev);
1121         struct ieee80211_network *net;
1122         u8 i = 0, basic_rate = 0;
1123
1124         net = &priv->ieee80211->current_network;
1125
1126         for (i = 0; i < net->rates_len; i++) {
1127                 basic_rate = net->rates[i] & 0x7f;
1128                 switch (basic_rate) {
1129                 case MGN_1M:
1130                         *rate_config |= RRSR_1M;
1131                         break;
1132                 case MGN_2M:
1133                         *rate_config |= RRSR_2M;
1134                         break;
1135                 case MGN_5_5M:
1136                         *rate_config |= RRSR_5_5M;
1137                         break;
1138                 case MGN_11M:
1139                         *rate_config |= RRSR_11M;
1140                         break;
1141                 case MGN_6M:
1142                         *rate_config |= RRSR_6M;
1143                         break;
1144                 case MGN_9M:
1145                         *rate_config |= RRSR_9M;
1146                         break;
1147                 case MGN_12M:
1148                         *rate_config |= RRSR_12M;
1149                         break;
1150                 case MGN_18M:
1151                         *rate_config |= RRSR_18M;
1152                         break;
1153                 case MGN_24M:
1154                         *rate_config |= RRSR_24M;
1155                         break;
1156                 case MGN_36M:
1157                         *rate_config |= RRSR_36M;
1158                         break;
1159                 case MGN_48M:
1160                         *rate_config |= RRSR_48M;
1161                         break;
1162                 case MGN_54M:
1163                         *rate_config |= RRSR_54M;
1164                         break;
1165                 }
1166         }
1167         for (i = 0; i < net->rates_ex_len; i++) {
1168                 basic_rate = net->rates_ex[i] & 0x7f;
1169                 switch (basic_rate) {
1170                 case MGN_1M:
1171                         *rate_config |= RRSR_1M;
1172                         break;
1173                 case MGN_2M:
1174                         *rate_config |= RRSR_2M;
1175                         break;
1176                 case MGN_5_5M:
1177                         *rate_config |= RRSR_5_5M;
1178                         break;
1179                 case MGN_11M:
1180                         *rate_config |= RRSR_11M;
1181                         break;
1182                 case MGN_6M:
1183                         *rate_config |= RRSR_6M;
1184                         break;
1185                 case MGN_9M:
1186                         *rate_config |= RRSR_9M;
1187                         break;
1188                 case MGN_12M:
1189                         *rate_config |= RRSR_12M;
1190                         break;
1191                 case MGN_18M:
1192                         *rate_config |= RRSR_18M;
1193                         break;
1194                 case MGN_24M:
1195                         *rate_config |= RRSR_24M;
1196                         break;
1197                 case MGN_36M:
1198                         *rate_config |= RRSR_36M;
1199                         break;
1200                 case MGN_48M:
1201                         *rate_config |= RRSR_48M;
1202                         break;
1203                 case MGN_54M:
1204                         *rate_config |= RRSR_54M;
1205                         break;
1206                 }
1207         }
1208 }
1209
1210
1211 #define SHORT_SLOT_TIME 9
1212 #define NON_SHORT_SLOT_TIME 20
1213
1214 static void rtl8192_update_cap(struct net_device *dev, u16 cap)
1215 {
1216         u32 tmp = 0;
1217         struct r8192_priv *priv = ieee80211_priv(dev);
1218         struct ieee80211_network *net = &priv->ieee80211->current_network;
1219
1220         priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1221         tmp = priv->basic_rate;
1222         if (priv->short_preamble)
1223                 tmp |= BRSR_AckShortPmb;
1224         write_nic_dword(dev, RRSR, tmp);
1225
1226         if (net->mode & (IEEE_G | IEEE_N_24G)) {
1227                 u8 slot_time = 0;
1228
1229                 if ((cap & WLAN_CAPABILITY_SHORT_SLOT) &&
1230                     (!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1231                         /* short slot time */
1232                         slot_time = SHORT_SLOT_TIME;
1233                 else    /* long slot time */
1234                         slot_time = NON_SHORT_SLOT_TIME;
1235                 priv->slot_time = slot_time;
1236                 write_nic_byte(dev, SLOT_TIME, slot_time);
1237         }
1238 }
1239
1240 static void rtl8192_net_update(struct net_device *dev)
1241 {
1242         struct r8192_priv *priv = ieee80211_priv(dev);
1243         struct ieee80211_network *net;
1244         u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1245         u16 rate_config = 0;
1246
1247         net = &priv->ieee80211->current_network;
1248
1249         rtl8192_config_rate(dev, &rate_config);
1250         priv->basic_rate = rate_config & 0x15f;
1251
1252         write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1253         write_nic_word(dev, BSSIDR + 4, ((u16 *)net->bssid)[2]);
1254
1255         rtl8192_update_msr(dev);
1256         if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) {
1257                 write_nic_word(dev, ATIMWND, 2);
1258                 write_nic_word(dev, BCN_DMATIME, 1023);
1259                 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1260                 write_nic_word(dev, BCN_DRV_EARLY_INT, 1);
1261                 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1262                 BcnTimeCfg |= (BcnCW << BCN_TCFG_CW_SHIFT);
1263                 /* TODO: BcnIFS may required to be changed on ASIC */
1264                 BcnTimeCfg |= BcnIFS << BCN_TCFG_IFS;
1265
1266                 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1267         }
1268 }
1269
1270 /* temporary hw beacon is not used any more.
1271  * open it when necessary
1272  */
1273 void rtl819xusb_beacon_tx(struct net_device *dev, u16  tx_rate)
1274 {
1275
1276 }
1277
1278 short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1279 {
1280         struct r8192_priv *priv = ieee80211_priv(dev);
1281         int                     status;
1282         struct urb              *tx_urb;
1283         unsigned int            idx_pipe;
1284         tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data;
1285         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1286         u8 queue_index = tcb_desc->queue_index;
1287
1288         atomic_inc(&priv->tx_pending[queue_index]);
1289         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1290         if (!tx_urb) {
1291                 dev_kfree_skb(skb);
1292                 return -ENOMEM;
1293         }
1294
1295         memset(pdesc, 0, USB_HWDESC_HEADER_LEN);
1296         /* Tx descriptor ought to be set according to the skb->cb */
1297         pdesc->FirstSeg = 1;
1298         pdesc->LastSeg = 1;
1299         pdesc->CmdInit = tcb_desc->bCmdOrInit;
1300         pdesc->TxBufferSize = tcb_desc->txbuf_size;
1301         pdesc->OWN = 1;
1302         pdesc->LINIP = tcb_desc->bLastIniPkt;
1303
1304         /*---------------------------------------------------------------------
1305          * Fill up USB_OUT_CONTEXT.
1306          *---------------------------------------------------------------------
1307          */
1308         idx_pipe = 0x04;
1309         usb_fill_bulk_urb(tx_urb, priv->udev,
1310                           usb_sndbulkpipe(priv->udev, idx_pipe),
1311                           skb->data, skb->len, rtl8192_tx_isr, skb);
1312
1313         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1314
1315         if (!status)
1316                 return 0;
1317
1318         DMESGE("Error TX CMD URB, error %d", status);
1319         return -1;
1320 }
1321
1322 /*
1323  * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1324  * in TxFwInfo data structure
1325  * 2006.10.30 by Emily
1326  *
1327  * \param QUEUEID       Software Queue
1328  */
1329 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1330 {
1331         u8 QueueSelect = 0x0;       /* default set to */
1332
1333         switch (QueueID) {
1334         case BE_QUEUE:
1335                 QueueSelect = QSLT_BE;
1336                 break;
1337
1338         case BK_QUEUE:
1339                 QueueSelect = QSLT_BK;
1340                 break;
1341
1342         case VO_QUEUE:
1343                 QueueSelect = QSLT_VO;
1344                 break;
1345
1346         case VI_QUEUE:
1347                 QueueSelect = QSLT_VI;
1348                 break;
1349         case MGNT_QUEUE:
1350                 QueueSelect = QSLT_MGNT;
1351                 break;
1352
1353         case BEACON_QUEUE:
1354                 QueueSelect = QSLT_BEACON;
1355                 break;
1356
1357                 /* TODO: mark other queue selection until we verify it is OK */
1358                 /* TODO: Remove Assertions */
1359         case TXCMD_QUEUE:
1360                 QueueSelect = QSLT_CMD;
1361                 break;
1362         case HIGH_QUEUE:
1363                 QueueSelect = QSLT_HIGH;
1364                 break;
1365
1366         default:
1367                 RT_TRACE(COMP_ERR,
1368                          "TransmitTCB(): Impossible Queue Selection: %d\n",
1369                          QueueID);
1370                 break;
1371         }
1372         return QueueSelect;
1373 }
1374
1375 static u8 MRateToHwRate8190Pci(u8 rate)
1376 {
1377         u8  ret = DESC90_RATE1M;
1378
1379         switch (rate) {
1380         case MGN_1M:
1381                 ret = DESC90_RATE1M;
1382                 break;
1383         case MGN_2M:
1384                 ret = DESC90_RATE2M;
1385                 break;
1386         case MGN_5_5M:
1387                 ret = DESC90_RATE5_5M;
1388                 break;
1389         case MGN_11M:
1390                 ret = DESC90_RATE11M;
1391                 break;
1392         case MGN_6M:
1393                 ret = DESC90_RATE6M;
1394                 break;
1395         case MGN_9M:
1396                 ret = DESC90_RATE9M;
1397                 break;
1398         case MGN_12M:
1399                 ret = DESC90_RATE12M;
1400                 break;
1401         case MGN_18M:
1402                 ret = DESC90_RATE18M;
1403                 break;
1404         case MGN_24M:
1405                 ret = DESC90_RATE24M;
1406                 break;
1407         case MGN_36M:
1408                 ret = DESC90_RATE36M;
1409                 break;
1410         case MGN_48M:
1411                 ret = DESC90_RATE48M;
1412                 break;
1413         case MGN_54M:
1414                 ret = DESC90_RATE54M;
1415                 break;
1416
1417         /* HT rate since here */
1418         case MGN_MCS0:
1419                 ret = DESC90_RATEMCS0;
1420                 break;
1421         case MGN_MCS1:
1422                 ret = DESC90_RATEMCS1;
1423                 break;
1424         case MGN_MCS2:
1425                 ret = DESC90_RATEMCS2;
1426                 break;
1427         case MGN_MCS3:
1428                 ret = DESC90_RATEMCS3;
1429                 break;
1430         case MGN_MCS4:
1431                 ret = DESC90_RATEMCS4;
1432                 break;
1433         case MGN_MCS5:
1434                 ret = DESC90_RATEMCS5;
1435                 break;
1436         case MGN_MCS6:
1437                 ret = DESC90_RATEMCS6;
1438                 break;
1439         case MGN_MCS7:
1440                 ret = DESC90_RATEMCS7;
1441                 break;
1442         case MGN_MCS8:
1443                 ret = DESC90_RATEMCS8;
1444                 break;
1445         case MGN_MCS9:
1446                 ret = DESC90_RATEMCS9;
1447                 break;
1448         case MGN_MCS10:
1449                 ret = DESC90_RATEMCS10;
1450                 break;
1451         case MGN_MCS11:
1452                 ret = DESC90_RATEMCS11;
1453                 break;
1454         case MGN_MCS12:
1455                 ret = DESC90_RATEMCS12;
1456                 break;
1457         case MGN_MCS13:
1458                 ret = DESC90_RATEMCS13;
1459                 break;
1460         case MGN_MCS14:
1461                 ret = DESC90_RATEMCS14;
1462                 break;
1463         case MGN_MCS15:
1464                 ret = DESC90_RATEMCS15;
1465                 break;
1466         case (0x80 | 0x20):
1467                 ret = DESC90_RATEMCS32;
1468                 break;
1469
1470         default:
1471                 break;
1472         }
1473         return ret;
1474 }
1475
1476
1477 static u8 QueryIsShort(u8 TxHT, u8 TxRate, struct cb_desc *tcb_desc)
1478 {
1479         u8   tmp_Short;
1480
1481         tmp_Short = (TxHT == 1) ?
1482                         ((tcb_desc->bUseShortGI) ? 1 : 0) :
1483                         ((tcb_desc->bUseShortPreamble) ? 1 : 0);
1484
1485         if (TxHT == 1 && TxRate != DESC90_RATEMCS15)
1486                 tmp_Short = 0;
1487
1488         return tmp_Short;
1489 }
1490
1491 static void tx_zero_isr(struct urb *tx_urb)
1492 {
1493 }
1494
1495 /*
1496  * The tx procedure is just as following,
1497  * skb->cb will contain all the following information,
1498  * priority, morefrag, rate, &dev.
1499  */
1500 short rtl8192_tx(struct net_device *dev, struct sk_buff *skb)
1501 {
1502         struct r8192_priv *priv = ieee80211_priv(dev);
1503         struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1504         tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data;
1505         tx_fwinfo_819x_usb *tx_fwinfo =
1506                 (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN);
1507         struct usb_device *udev = priv->udev;
1508         int pend;
1509         int status;
1510         struct urb *tx_urb = NULL, *tx_urb_zero = NULL;
1511         unsigned int idx_pipe;
1512
1513         pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]);
1514         /* we are locked here so the two atomic_read and inc are executed
1515          * without interleaves
1516          * !!! For debug purpose
1517          */
1518         if (pend > MAX_TX_URB) {
1519                 netdev_dbg(dev, "To discard skb packet!\n");
1520                 dev_kfree_skb_any(skb);
1521                 return -1;
1522         }
1523
1524         tx_urb = usb_alloc_urb(0, GFP_ATOMIC);
1525         if (!tx_urb) {
1526                 dev_kfree_skb_any(skb);
1527                 return -ENOMEM;
1528         }
1529
1530         /* Fill Tx firmware info */
1531         memset(tx_fwinfo, 0, sizeof(tx_fwinfo_819x_usb));
1532         /* DWORD 0 */
1533         tx_fwinfo->TxHT = (tcb_desc->data_rate & 0x80) ? 1 : 0;
1534         tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate);
1535         tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1536         tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate,
1537                                         tcb_desc);
1538         if (tcb_desc->bAMPDUEnable) { /* AMPDU enabled */
1539                 tx_fwinfo->AllowAggregation = 1;
1540                 /* DWORD 1 */
1541                 tx_fwinfo->RxMF = tcb_desc->ampdu_factor;
1542                 tx_fwinfo->RxAMD = tcb_desc->ampdu_density & 0x07;
1543         } else {
1544                 tx_fwinfo->AllowAggregation = 0;
1545                 /* DWORD 1 */
1546                 tx_fwinfo->RxMF = 0;
1547                 tx_fwinfo->RxAMD = 0;
1548         }
1549
1550         /* Protection mode related */
1551         tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1552         tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1553         tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1554         tx_fwinfo->RtsHT = (tcb_desc->rts_rate & 0x80) ? 1 : 0;
1555         tx_fwinfo->RtsRate =  MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1556         tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->RTSSC) : 0;
1557         tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT == 1) ? ((tcb_desc->bRTSBW) ? 1 : 0) : 0;
1558         tx_fwinfo->RtsShort = (tx_fwinfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) :
1559                               (tcb_desc->bRTSUseShortGI ? 1 : 0);
1560
1561         /* Set Bandwidth and sub-channel settings. */
1562         if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1563                 if (tcb_desc->bPacketBW) {
1564                         tx_fwinfo->TxBandwidth = 1;
1565                         /* use duplicated mode */
1566                         tx_fwinfo->TxSubCarrier = 0;
1567                 } else {
1568                         tx_fwinfo->TxBandwidth = 0;
1569                         tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1570                 }
1571         } else {
1572                 tx_fwinfo->TxBandwidth = 0;
1573                 tx_fwinfo->TxSubCarrier = 0;
1574         }
1575
1576         /* Fill Tx descriptor */
1577         memset(tx_desc, 0, sizeof(tx_desc_819x_usb));
1578         /* DWORD 0 */
1579         tx_desc->LINIP = 0;
1580         tx_desc->CmdInit = 1;
1581         tx_desc->Offset =  sizeof(tx_fwinfo_819x_usb) + 8;
1582         tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff;
1583
1584         /*DWORD 1*/
1585         tx_desc->SecCAMID = 0;
1586         tx_desc->RATid = tcb_desc->RATRIndex;
1587         tx_desc->NoEnc = 1;
1588         tx_desc->SecType = 0x0;
1589         if (tcb_desc->bHwSec) {
1590                 switch (priv->ieee80211->pairwise_key_type) {
1591                 case KEY_TYPE_WEP40:
1592                 case KEY_TYPE_WEP104:
1593                         tx_desc->SecType = 0x1;
1594                         tx_desc->NoEnc = 0;
1595                         break;
1596                 case KEY_TYPE_TKIP:
1597                         tx_desc->SecType = 0x2;
1598                         tx_desc->NoEnc = 0;
1599                         break;
1600                 case KEY_TYPE_CCMP:
1601                         tx_desc->SecType = 0x3;
1602                         tx_desc->NoEnc = 0;
1603                         break;
1604                 case KEY_TYPE_NA:
1605                         tx_desc->SecType = 0x0;
1606                         tx_desc->NoEnc = 1;
1607                         break;
1608                 }
1609         }
1610
1611         tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1612         tx_desc->TxFWInfoSize =  sizeof(tx_fwinfo_819x_usb);
1613
1614         tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack;
1615         tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1616
1617         /* Fill fields that are required to be initialized in
1618          * all of the descriptors
1619          */
1620         /* DWORD 0 */
1621         tx_desc->FirstSeg = 1;
1622         tx_desc->LastSeg = 1;
1623         tx_desc->OWN = 1;
1624
1625         /* DWORD 2 */
1626         tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN);
1627         idx_pipe = 0x5;
1628
1629         /* To submit bulk urb */
1630         usb_fill_bulk_urb(tx_urb, udev,
1631                           usb_sndbulkpipe(udev, idx_pipe), skb->data,
1632                           skb->len, rtl8192_tx_isr, skb);
1633
1634         status = usb_submit_urb(tx_urb, GFP_ATOMIC);
1635         if (!status) {
1636                 /* We need to send 0 byte packet whenever
1637                  * 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has
1638                  * been transmitted. Otherwise, it will be halt to wait for
1639                  * another packet.
1640                  */
1641                 bool bSend0Byte = false;
1642                 u8 zero = 0;
1643
1644                 if (udev->speed == USB_SPEED_HIGH) {
1645                         if (skb->len > 0 && skb->len % 512 == 0)
1646                                 bSend0Byte = true;
1647                 } else {
1648                         if (skb->len > 0 && skb->len % 64 == 0)
1649                                 bSend0Byte = true;
1650                 }
1651                 if (bSend0Byte) {
1652                         tx_urb_zero = usb_alloc_urb(0, GFP_ATOMIC);
1653                         if (!tx_urb_zero)
1654                                 return -ENOMEM;
1655                         usb_fill_bulk_urb(tx_urb_zero, udev,
1656                                           usb_sndbulkpipe(udev, idx_pipe),
1657                                           &zero, 0, tx_zero_isr, dev);
1658                         status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
1659                         if (status) {
1660                                 RT_TRACE(COMP_ERR,
1661                                          "Error TX URB for zero byte %d, error %d",
1662                                          atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1663                                          status);
1664                                 return -1;
1665                         }
1666                 }
1667                 netif_trans_update(dev);
1668                 atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
1669                 return 0;
1670         }
1671
1672         RT_TRACE(COMP_ERR, "Error TX URB %d, error %d",
1673                  atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
1674                  status);
1675         return -1;
1676 }
1677
1678 static short rtl8192_usb_initendpoints(struct net_device *dev)
1679 {
1680         struct r8192_priv *priv = ieee80211_priv(dev);
1681
1682         priv->rx_urb = kmalloc(sizeof(struct urb *) * (MAX_RX_URB + 1),
1683                                GFP_KERNEL);
1684         if (!priv->rx_urb)
1685                 return -ENOMEM;
1686
1687 #ifndef JACKSON_NEW_RX
1688         for (i = 0; i < (MAX_RX_URB + 1); i++) {
1689                 priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
1690                 if (!priv->rx_urb[i])
1691                         return -ENOMEM;
1692
1693                 priv->rx_urb[i]->transfer_buffer =
1694                         kmalloc(RX_URB_SIZE, GFP_KERNEL);
1695                 if (!priv->rx_urb[i]->transfer_buffer)
1696                         return -ENOMEM;
1697
1698                 priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE;
1699         }
1700 #endif
1701
1702 #ifdef THOMAS_BEACON
1703         {
1704                 long align = 0;
1705                 void *oldaddr, *newaddr;
1706
1707                 priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL);
1708                 priv->oldaddr = kmalloc(16, GFP_KERNEL);
1709                 if (!priv->oldaddr)
1710                         return -ENOMEM;
1711                 oldaddr = priv->oldaddr;
1712                 align = ((long)oldaddr) & 3;
1713                 if (align) {
1714                         newaddr = oldaddr + 4 - align;
1715                         priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align;
1716                 } else {
1717                         newaddr = oldaddr;
1718                         priv->rx_urb[16]->transfer_buffer_length = 16;
1719                 }
1720                 priv->rx_urb[16]->transfer_buffer = newaddr;
1721         }
1722 #endif
1723
1724         memset(priv->rx_urb, 0, sizeof(struct urb *) * MAX_RX_URB);
1725         priv->pp_rxskb = kcalloc(MAX_RX_URB, sizeof(struct sk_buff *),
1726                                  GFP_KERNEL);
1727         if (!priv->pp_rxskb) {
1728                 kfree(priv->rx_urb);
1729
1730                 priv->pp_rxskb = NULL;
1731                 priv->rx_urb = NULL;
1732
1733                 DMESGE("Endpoint Alloc Failure");
1734                 return -ENOMEM;
1735         }
1736
1737         netdev_dbg(dev, "End of initendpoints\n");
1738         return 0;
1739 }
1740
1741 #ifdef THOMAS_BEACON
1742 static void rtl8192_usb_deleteendpoints(struct net_device *dev)
1743 {
1744         int i;
1745         struct r8192_priv *priv = ieee80211_priv(dev);
1746
1747         if (priv->rx_urb) {
1748                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1749                         usb_kill_urb(priv->rx_urb[i]);
1750                         usb_free_urb(priv->rx_urb[i]);
1751                 }
1752                 kfree(priv->rx_urb);
1753                 priv->rx_urb = NULL;
1754         }
1755         kfree(priv->oldaddr);
1756         priv->oldaddr = NULL;
1757
1758         kfree(priv->pp_rxskb);
1759         priv->pp_rxskb = NULL;
1760 }
1761 #else
1762 void rtl8192_usb_deleteendpoints(struct net_device *dev)
1763 {
1764         int i;
1765         struct r8192_priv *priv = ieee80211_priv(dev);
1766
1767 #ifndef JACKSON_NEW_RX
1768
1769         if (priv->rx_urb) {
1770                 for (i = 0; i < (MAX_RX_URB + 1); i++) {
1771                         usb_kill_urb(priv->rx_urb[i]);
1772                         kfree(priv->rx_urb[i]->transfer_buffer);
1773                         usb_free_urb(priv->rx_urb[i]);
1774                 }
1775                 kfree(priv->rx_urb);
1776                 priv->rx_urb = NULL;
1777         }
1778 #else
1779         kfree(priv->rx_urb);
1780         priv->rx_urb = NULL;
1781         kfree(priv->oldaddr);
1782         priv->oldaddr = NULL;
1783
1784         kfree(priv->pp_rxskb);
1785         priv->pp_rxskb = 0;
1786
1787 #endif
1788 }
1789 #endif
1790
1791 static void rtl8192_update_ratr_table(struct net_device *dev);
1792 static void rtl8192_link_change(struct net_device *dev)
1793 {
1794         struct r8192_priv *priv = ieee80211_priv(dev);
1795         struct ieee80211_device *ieee = priv->ieee80211;
1796
1797         if (ieee->state == IEEE80211_LINKED) {
1798                 rtl8192_net_update(dev);
1799                 rtl8192_update_ratr_table(dev);
1800                 /* Add this as in pure N mode, wep encryption will use software
1801                  * way, but there is no chance to set this as wep will not set
1802                  * group key in wext.
1803                  */
1804                 if (ieee->pairwise_key_type == KEY_TYPE_WEP40 ||
1805                     ieee->pairwise_key_type == KEY_TYPE_WEP104)
1806                         EnableHWSecurityConfig8192(dev);
1807         }
1808         /*update timing params*/
1809         if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1810                 u32 reg = 0;
1811
1812                 read_nic_dword(dev, RCR, &reg);
1813                 if (priv->ieee80211->state == IEEE80211_LINKED)
1814                         priv->ReceiveConfig = reg |= RCR_CBSSID;
1815                 else
1816                         priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1817                 write_nic_dword(dev, RCR, reg);
1818         }
1819 }
1820
1821 static const struct ieee80211_qos_parameters def_qos_parameters = {
1822         {cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3), cpu_to_le16(3)},
1823         {cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7), cpu_to_le16(7)},
1824         {2, 2, 2, 2},/* aifs */
1825         {0, 0, 0, 0},/* flags */
1826         {0, 0, 0, 0} /* tx_op_limit */
1827 };
1828
1829
1830 static void rtl8192_update_beacon(struct work_struct *work)
1831 {
1832         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1833                                                update_beacon_wq.work);
1834         struct net_device *dev = priv->ieee80211->dev;
1835         struct ieee80211_device *ieee = priv->ieee80211;
1836         struct ieee80211_network *net = &ieee->current_network;
1837
1838         if (ieee->pHTInfo->bCurrentHTSupport)
1839                 HTUpdateSelfAndPeerSetting(ieee, net);
1840         ieee->pHTInfo->bCurrentRT2RTLongSlotTime =
1841                 net->bssht.bdRT2RTLongSlotTime;
1842         rtl8192_update_cap(dev, net->capability);
1843 }
1844
1845 /*
1846  * background support to run QoS activate functionality
1847  */
1848 static int WDCAPARA_ADD[] = {EDCAPARA_BE, EDCAPARA_BK,
1849                              EDCAPARA_VI, EDCAPARA_VO};
1850 static void rtl8192_qos_activate(struct work_struct *work)
1851 {
1852         struct r8192_priv *priv = container_of(work, struct r8192_priv,
1853                                                qos_activate);
1854         struct net_device *dev = priv->ieee80211->dev;
1855         struct ieee80211_qos_parameters *qos_parameters =
1856                 &priv->ieee80211->current_network.qos_data.parameters;
1857         u8 mode = priv->ieee80211->current_network.mode;
1858         u32  u1bAIFS;
1859         u32 u4bAcParam;
1860         u32 op_limit;
1861         u32 cw_max;
1862         u32 cw_min;
1863         int i;
1864
1865         mutex_lock(&priv->mutex);
1866         if (priv->ieee80211->state != IEEE80211_LINKED)
1867                 goto success;
1868         RT_TRACE(COMP_QOS,
1869                  "qos active process with associate response received\n");
1870         /* It better set slot time at first
1871          *
1872          * For we just support b/g mode at present, let the slot time at
1873          * 9/20 selection
1874          *
1875          * update the ac parameter to related registers
1876          */
1877         for (i = 0; i <  QOS_QUEUE_NUM; i++) {
1878                 /* Mode G/A: slotTimeTimer = 9; Mode B: 20 */
1879                 u1bAIFS = qos_parameters->aifs[i] * ((mode & (IEEE_G | IEEE_N_24G)) ? 9 : 20) + aSifsTime;
1880                 u1bAIFS <<= AC_PARAM_AIFS_OFFSET;
1881                 op_limit = (u32)le16_to_cpu(qos_parameters->tx_op_limit[i]);
1882                 op_limit <<= AC_PARAM_TXOP_LIMIT_OFFSET;
1883                 cw_max = (u32)le16_to_cpu(qos_parameters->cw_max[i]);
1884                 cw_max <<= AC_PARAM_ECW_MAX_OFFSET;
1885                 cw_min = (u32)le16_to_cpu(qos_parameters->cw_min[i]);
1886                 cw_min <<= AC_PARAM_ECW_MIN_OFFSET;
1887                 u4bAcParam = op_limit | cw_max | cw_min | u1bAIFS;
1888                 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1889         }
1890
1891 success:
1892         mutex_unlock(&priv->mutex);
1893 }
1894
1895 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1896                                              int active_network,
1897                                              struct ieee80211_network *network)
1898 {
1899         int ret = 0;
1900         u32 size = sizeof(struct ieee80211_qos_parameters);
1901
1902         if (priv->ieee80211->state != IEEE80211_LINKED)
1903                 return ret;
1904
1905         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1906                 return ret;
1907
1908         if (network->flags & NETWORK_HAS_QOS_MASK) {
1909                 if (active_network &&
1910                     (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1911                         network->qos_data.active = network->qos_data.supported;
1912
1913                 if ((network->qos_data.active == 1) && (active_network == 1) &&
1914                     (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1915                     (network->qos_data.old_param_count !=
1916                      network->qos_data.param_count)) {
1917                         network->qos_data.old_param_count =
1918                                 network->qos_data.param_count;
1919                         schedule_work(&priv->qos_activate);
1920                         RT_TRACE(COMP_QOS,
1921                                  "QoS parameters change call qos_activate\n");
1922                 }
1923         } else {
1924                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1925                        &def_qos_parameters, size);
1926
1927                 if ((network->qos_data.active == 1) && (active_network == 1)) {
1928                         schedule_work(&priv->qos_activate);
1929                         RT_TRACE(COMP_QOS,
1930                                  "QoS was disabled call qos_activate\n");
1931                 }
1932                 network->qos_data.active = 0;
1933                 network->qos_data.supported = 0;
1934         }
1935
1936         return 0;
1937 }
1938
1939 /* handle and manage frame from beacon and probe response */
1940 static int rtl8192_handle_beacon(struct net_device *dev,
1941                                  struct ieee80211_beacon *beacon,
1942                                  struct ieee80211_network *network)
1943 {
1944         struct r8192_priv *priv = ieee80211_priv(dev);
1945
1946         rtl8192_qos_handle_probe_response(priv, 1, network);
1947         schedule_delayed_work(&priv->update_beacon_wq, 0);
1948         return 0;
1949 }
1950
1951 /*
1952  * handling the beaconing responses. if we get different QoS setting
1953  * off the network from the associated setting, adjust the QoS
1954  * setting
1955  */
1956 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1957                                         struct ieee80211_network *network)
1958 {
1959         unsigned long flags;
1960         u32 size = sizeof(struct ieee80211_qos_parameters);
1961         int set_qos_param = 0;
1962
1963         if (!priv || !network)
1964                 return 0;
1965
1966         if (priv->ieee80211->state != IEEE80211_LINKED)
1967                 return 0;
1968
1969         if (priv->ieee80211->iw_mode != IW_MODE_INFRA)
1970                 return 0;
1971
1972         spin_lock_irqsave(&priv->ieee80211->lock, flags);
1973         if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1974                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1975                        &network->qos_data.parameters,
1976                        sizeof(struct ieee80211_qos_parameters));
1977                 priv->ieee80211->current_network.qos_data.active = 1;
1978                 set_qos_param = 1;
1979                 /* update qos parameter for current network */
1980                 priv->ieee80211->current_network.qos_data.old_param_count =
1981                         priv->ieee80211->current_network.qos_data.param_count;
1982                 priv->ieee80211->current_network.qos_data.param_count =
1983                         network->qos_data.param_count;
1984         } else {
1985                 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1986                        &def_qos_parameters, size);
1987                 priv->ieee80211->current_network.qos_data.active = 0;
1988                 priv->ieee80211->current_network.qos_data.supported = 0;
1989                 set_qos_param = 1;
1990         }
1991
1992         spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1993
1994         RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __func__,
1995                  network->flags,
1996                  priv->ieee80211->current_network.qos_data.active);
1997         if (set_qos_param == 1)
1998                 schedule_work(&priv->qos_activate);
1999
2000
2001         return 0;
2002 }
2003
2004
2005 static int rtl8192_handle_assoc_response(
2006                 struct net_device *dev,
2007                 struct ieee80211_assoc_response_frame *resp,
2008                 struct ieee80211_network *network)
2009 {
2010         struct r8192_priv *priv = ieee80211_priv(dev);
2011
2012         rtl8192_qos_association_resp(priv, network);
2013         return 0;
2014 }
2015
2016
2017 static void rtl8192_update_ratr_table(struct net_device *dev)
2018 {
2019         struct r8192_priv *priv = ieee80211_priv(dev);
2020         struct ieee80211_device *ieee = priv->ieee80211;
2021         u8 *pMcsRate = ieee->dot11HTOperationalRateSet;
2022         u32 ratr_value = 0;
2023         u8 rate_index = 0;
2024
2025         rtl8192_config_rate(dev, (u16 *)(&ratr_value));
2026         ratr_value |= (*(u16 *)(pMcsRate)) << 12;
2027         switch (ieee->mode) {
2028         case IEEE_A:
2029                 ratr_value &= 0x00000FF0;
2030                 break;
2031         case IEEE_B:
2032                 ratr_value &= 0x0000000F;
2033                 break;
2034         case IEEE_G:
2035                 ratr_value &= 0x00000FF7;
2036                 break;
2037         case IEEE_N_24G:
2038         case IEEE_N_5G:
2039                 if (ieee->pHTInfo->PeerMimoPs == 0) { /* MIMO_PS_STATIC */
2040                         ratr_value &= 0x0007F007;
2041                 } else {
2042                         if (priv->rf_type == RF_1T2R)
2043                                 ratr_value &= 0x000FF007;
2044                         else
2045                                 ratr_value &= 0x0F81F007;
2046                 }
2047                 break;
2048         default:
2049                 break;
2050         }
2051         ratr_value &= 0x0FFFFFFF;
2052         if (ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz)
2053                 ratr_value |= 0x80000000;
2054         else if (!ieee->pHTInfo->bCurTxBW40MHz &&
2055                  ieee->pHTInfo->bCurShortGI20MHz)
2056                 ratr_value |= 0x80000000;
2057         write_nic_dword(dev, RATR0 + rate_index * 4, ratr_value);
2058         write_nic_byte(dev, UFWP, 1);
2059 }
2060
2061 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
2062 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2063 static bool GetNmodeSupportBySecCfg8192(struct net_device *dev)
2064 {
2065         struct r8192_priv *priv = ieee80211_priv(dev);
2066         struct ieee80211_device *ieee = priv->ieee80211;
2067         struct ieee80211_network *network = &ieee->current_network;
2068         int wpa_ie_len = ieee->wpa_ie_len;
2069         struct ieee80211_crypt_data *crypt;
2070         int encrypt;
2071
2072         crypt = ieee->crypt[ieee->tx_keyidx];
2073         /* we use connecting AP's capability instead of only security config
2074          * on our driver to distinguish whether it should use N mode or G mode
2075          */
2076         encrypt = (network->capability & WLAN_CAPABILITY_PRIVACY) ||
2077                   (ieee->host_encrypt && crypt && crypt->ops &&
2078                    (strcmp(crypt->ops->name, "WEP") == 0));
2079
2080         /* simply judge  */
2081         if (encrypt && (wpa_ie_len == 0)) {
2082                 /* wep encryption, no N mode setting */
2083                 return false;
2084         } else if ((wpa_ie_len != 0)) {
2085                 /* parse pairwise key type */
2086                 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))))
2087                         return true;
2088                 else
2089                         return false;
2090         } else {
2091                 return true;
2092         }
2093
2094         return true;
2095 }
2096
2097 static bool GetHalfNmodeSupportByAPs819xUsb(struct net_device *dev)
2098 {
2099         struct r8192_priv *priv = ieee80211_priv(dev);
2100
2101         return priv->ieee80211->bHalfWirelessN24GMode;
2102 }
2103
2104 static void rtl8192_refresh_supportrate(struct r8192_priv *priv)
2105 {
2106         struct ieee80211_device *ieee = priv->ieee80211;
2107         /* We do not consider set support rate for ABG mode, only
2108          * HT MCS rate is set here.
2109          */
2110         if (ieee->mode == WIRELESS_MODE_N_24G ||
2111             ieee->mode == WIRELESS_MODE_N_5G)
2112                 memcpy(ieee->Regdot11HTOperationalRateSet,
2113                        ieee->RegHTSuppRateSet, 16);
2114         else
2115                 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2116 }
2117
2118 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
2119 {
2120         struct r8192_priv *priv = ieee80211_priv(dev);
2121         u8 ret = 0;
2122
2123         switch (priv->rf_chip) {
2124         case RF_8225:
2125         case RF_8256:
2126         case RF_PSEUDO_11N:
2127                 ret = WIRELESS_MODE_N_24G | WIRELESS_MODE_G | WIRELESS_MODE_B;
2128                 break;
2129         case RF_8258:
2130                 ret = WIRELESS_MODE_A | WIRELESS_MODE_N_5G;
2131                 break;
2132         default:
2133                 ret = WIRELESS_MODE_B;
2134                 break;
2135         }
2136         return ret;
2137 }
2138
2139 static void rtl8192_SetWirelessMode(struct net_device *dev, u8 wireless_mode)
2140 {
2141         struct r8192_priv *priv = ieee80211_priv(dev);
2142         u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2143
2144         if (wireless_mode == WIRELESS_MODE_AUTO ||
2145             (wireless_mode & bSupportMode) == 0) {
2146                 if (bSupportMode & WIRELESS_MODE_N_24G) {
2147                         wireless_mode = WIRELESS_MODE_N_24G;
2148                 } else if (bSupportMode & WIRELESS_MODE_N_5G) {
2149                         wireless_mode = WIRELESS_MODE_N_5G;
2150                 } else if ((bSupportMode & WIRELESS_MODE_A)) {
2151                         wireless_mode = WIRELESS_MODE_A;
2152                 } else if ((bSupportMode & WIRELESS_MODE_G)) {
2153                         wireless_mode = WIRELESS_MODE_G;
2154                 } else if ((bSupportMode & WIRELESS_MODE_B)) {
2155                         wireless_mode = WIRELESS_MODE_B;
2156                 } else {
2157                         RT_TRACE(COMP_ERR,
2158                                  "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n",
2159                                  __func__, bSupportMode);
2160                         wireless_mode = WIRELESS_MODE_B;
2161                 }
2162         }
2163 #ifdef TO_DO_LIST
2164         /* TODO: this function doesn't work well at this time,
2165          * we should wait for FPGA
2166          */
2167         ActUpdateChannelAccessSetting(
2168                         pAdapter, pHalData->CurrentWirelessMode,
2169                         &pAdapter->MgntInfo.Info8185.ChannelAccessSetting);
2170 #endif
2171         priv->ieee80211->mode = wireless_mode;
2172
2173         if (wireless_mode == WIRELESS_MODE_N_24G ||
2174             wireless_mode == WIRELESS_MODE_N_5G)
2175                 priv->ieee80211->pHTInfo->bEnableHT = 1;
2176         else
2177                 priv->ieee80211->pHTInfo->bEnableHT = 0;
2178         RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2179         rtl8192_refresh_supportrate(priv);
2180 }
2181
2182 /* init priv variables here. only non_zero value should be initialized here. */
2183 static void rtl8192_init_priv_variable(struct net_device *dev)
2184 {
2185         struct r8192_priv *priv = ieee80211_priv(dev);
2186         u8 i;
2187
2188         priv->card_8192 = NIC_8192U;
2189         priv->chan = 1; /* set to channel 1 */
2190         priv->ieee80211->mode = WIRELESS_MODE_AUTO; /* SET AUTO */
2191         priv->ieee80211->iw_mode = IW_MODE_INFRA;
2192         priv->ieee80211->ieee_up = 0;
2193         priv->retry_rts = DEFAULT_RETRY_RTS;
2194         priv->retry_data = DEFAULT_RETRY_DATA;
2195         priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2196         priv->ieee80211->rate = 110; /* 11 mbps */
2197         priv->ieee80211->short_slot = 1;
2198         priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
2199         priv->CckPwEnl = 6;
2200         /* for silent reset */
2201         priv->IrpPendingCount = 1;
2202         priv->ResetProgress = RESET_TYPE_NORESET;
2203         priv->bForcedSilentReset = false;
2204         priv->bDisableNormalResetCheck = false;
2205         priv->force_reset = false;
2206
2207         /* we don't use FW read/write RF until stable firmware is available. */
2208         priv->ieee80211->FwRWRF = 0;
2209         priv->ieee80211->current_network.beacon_interval =
2210                 DEFAULT_BEACONINTERVAL;
2211         priv->ieee80211->softmac_features  = IEEE_SOFTMAC_SCAN |
2212                 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2213                 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE |
2214                 IEEE_SOFTMAC_BEACONS;
2215
2216         priv->ieee80211->active_scan = 1;
2217         priv->ieee80211->modulation =
2218                 IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2219         priv->ieee80211->host_encrypt = 1;
2220         priv->ieee80211->host_decrypt = 1;
2221         priv->ieee80211->start_send_beacons = NULL;
2222         priv->ieee80211->stop_send_beacons = NULL;
2223         priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2224         priv->ieee80211->set_chan = rtl8192_set_chan;
2225         priv->ieee80211->link_change = rtl8192_link_change;
2226         priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2227         priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2228         priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2229         priv->ieee80211->init_wmmparam_flag = 0;
2230         priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2231         priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2232         priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;
2233         priv->ieee80211->qos_support = 1;
2234
2235         priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2236         priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2237         priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2238
2239         priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192;
2240         priv->ieee80211->GetHalfNmodeSupportByAPsHandler =
2241                 GetHalfNmodeSupportByAPs819xUsb;
2242         priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2243
2244         priv->ieee80211->InitialGainHandler = InitialGain819xUsb;
2245         priv->card_type = USB;
2246 #ifdef TO_DO_LIST
2247         if (Adapter->bInHctTest) {
2248                 pHalData->ShortRetryLimit = 7;
2249                 pHalData->LongRetryLimit = 7;
2250         }
2251 #endif
2252         priv->ShortRetryLimit = 0x30;
2253         priv->LongRetryLimit = 0x30;
2254         priv->EarlyRxThreshold = 7;
2255         priv->enable_gpio0 = 0;
2256         priv->TransmitConfig =
2257                 /* Max DMA Burst Size per Tx DMA Burst, 7: reserved. */
2258                 (TCR_MXDMA_2048 << TCR_MXDMA_OFFSET)      |
2259                 /* Short retry limit */
2260                 (priv->ShortRetryLimit << TCR_SRL_OFFSET) |
2261                 /* Long retry limit */
2262                 (priv->LongRetryLimit << TCR_LRL_OFFSET)  |
2263                 /* FALSE: HW provides PLCP length and LENGEXT
2264                  * TRUE: SW provides them
2265                  */
2266                 (false ? TCR_SAT : 0);
2267 #ifdef TO_DO_LIST
2268         if (Adapter->bInHctTest)
2269                 pHalData->ReceiveConfig =
2270                         pHalData->CSMethod |
2271                         /* accept management/data */
2272                         RCR_AMF | RCR_ADF |
2273                         /* accept control frame for SW
2274                          * AP needs PS-poll
2275                          */
2276                         RCR_ACF |
2277                         /* accept BC/MC/UC */
2278                         RCR_AB | RCR_AM | RCR_APM |
2279                         /* accept ICV/CRC error
2280                          * packet
2281                          */
2282                         RCR_AICV | RCR_ACRC32 |
2283                         /* Max DMA Burst Size per Tx
2284                          * DMA Burst, 7: unlimited.
2285                          */
2286                         ((u32)7 << RCR_MXDMA_OFFSET) |
2287                         /* Rx FIFO Threshold,
2288                          * 7: No Rx threshold.
2289                          */
2290                         (pHalData->EarlyRxThreshold << RCR_FIFO_OFFSET) |
2291                         (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt : 0);
2292         else
2293
2294 #endif
2295         priv->ReceiveConfig     =
2296                 /* accept management/data */
2297                 RCR_AMF | RCR_ADF |
2298                 /* accept control frame for SW AP needs PS-poll */
2299                 RCR_ACF |
2300                 /* accept BC/MC/UC */
2301                 RCR_AB | RCR_AM | RCR_APM |
2302                 /* Max DMA Burst Size per Rx DMA Burst, 7: unlimited. */
2303                 ((u32)7 << RCR_MXDMA_OFFSET) |
2304                 /* Rx FIFO Threshold, 7: No Rx threshold. */
2305                 (priv->EarlyRxThreshold << RX_FIFO_THRESHOLD_SHIFT) |
2306                 (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT : 0);
2307
2308         priv->AcmControl = 0;
2309         priv->pFirmware = kzalloc(sizeof(rt_firmware), GFP_KERNEL);
2310
2311         /* rx related queue */
2312         skb_queue_head_init(&priv->rx_queue);
2313         skb_queue_head_init(&priv->skb_queue);
2314
2315         /* Tx related queue */
2316         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2317                 skb_queue_head_init(&priv->ieee80211->skb_waitQ[i]);
2318         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2319                 skb_queue_head_init(&priv->ieee80211->skb_aggQ[i]);
2320         for (i = 0; i < MAX_QUEUE_SIZE; i++)
2321                 skb_queue_head_init(&priv->ieee80211->skb_drv_aggQ[i]);
2322         priv->rf_set_chan = rtl8192_phy_SwChnl;
2323 }
2324
2325 /* init lock here */
2326 static void rtl8192_init_priv_lock(struct r8192_priv *priv)
2327 {
2328         spin_lock_init(&priv->tx_lock);
2329         spin_lock_init(&priv->irq_lock);
2330         mutex_init(&priv->wx_mutex);
2331         mutex_init(&priv->mutex);
2332 }
2333
2334 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
2335
2336 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2337 /* init tasklet and wait_queue here. only 2.6 above kernel is considered */
2338 #define DRV_NAME "wlan0"
2339 static void rtl8192_init_priv_task(struct net_device *dev)
2340 {
2341         struct r8192_priv *priv = ieee80211_priv(dev);
2342
2343
2344         INIT_WORK(&priv->reset_wq, rtl8192_restart);
2345
2346         INIT_DELAYED_WORK(&priv->watch_dog_wq,
2347                           rtl819x_watchdog_wqcallback);
2348         INIT_DELAYED_WORK(&priv->txpower_tracking_wq,
2349                           dm_txpower_trackingcallback);
2350         INIT_DELAYED_WORK(&priv->rfpath_check_wq,
2351                           dm_rf_pathcheck_workitemcallback);
2352         INIT_DELAYED_WORK(&priv->update_beacon_wq,
2353                           rtl8192_update_beacon);
2354         INIT_DELAYED_WORK(&priv->initialgain_operate_wq,
2355                           InitialGainOperateWorkItemCallBack);
2356         INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2357
2358         tasklet_init(&priv->irq_rx_tasklet,
2359                      (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2360                      (unsigned long)priv);
2361 }
2362
2363 static void rtl8192_get_eeprom_size(struct net_device *dev)
2364 {
2365         u16 curCR = 0;
2366         struct r8192_priv *priv = ieee80211_priv(dev);
2367
2368         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2369         read_nic_word_E(dev, EPROM_CMD, &curCR);
2370         RT_TRACE(COMP_EPROM,
2371                  "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR);
2372         /* whether need I consider BIT(5?) */
2373         priv->epromtype =
2374                 (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2375         RT_TRACE(COMP_EPROM,
2376                  "<===========%s(), epromtype:%d\n", __func__, priv->epromtype);
2377 }
2378
2379 /* used to swap endian. as ntohl & htonl are not necessary
2380  * to swap endian, so use this instead.
2381  */
2382 static inline u16 endian_swap(u16 *data)
2383 {
2384         u16 tmp = *data;
2385         *data = (tmp >> 8) | (tmp << 8);
2386         return *data;
2387 }
2388
2389 static int rtl8192_read_eeprom_info(struct net_device *dev)
2390 {
2391         u16 wEPROM_ID = 0;
2392         u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02};
2393         u8 bLoad_From_EEPOM = false;
2394         struct r8192_priv *priv = ieee80211_priv(dev);
2395         u16 tmpValue = 0;
2396         int i;
2397         int ret;
2398
2399         RT_TRACE(COMP_EPROM, "===========>%s()\n", __func__);
2400         ret = eprom_read(dev, 0); /* first read EEPROM ID out; */
2401         if (ret < 0)
2402                 return ret;
2403         wEPROM_ID = (u16)ret;
2404         RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID);
2405
2406         if (wEPROM_ID != RTL8190_EEPROM_ID)
2407                 RT_TRACE(COMP_ERR,
2408                          "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n",
2409                          wEPROM_ID, RTL8190_EEPROM_ID);
2410         else
2411                 bLoad_From_EEPOM = true;
2412
2413         if (bLoad_From_EEPOM) {
2414                 tmpValue = eprom_read(dev, EEPROM_VID >> 1);
2415                 ret = eprom_read(dev, EEPROM_VID >> 1);
2416                 if (ret < 0)
2417                         return ret;
2418                 tmpValue = (u16)ret;
2419                 priv->eeprom_vid = endian_swap(&tmpValue);
2420                 ret = eprom_read(dev, EEPROM_PID >> 1);
2421                 if (ret < 0)
2422                         return ret;
2423                 priv->eeprom_pid = (u16)ret;
2424                 ret = eprom_read(dev, EEPROM_ChannelPlan >> 1);
2425                 if (ret < 0)
2426                         return ret;
2427                 tmpValue = (u16)ret;
2428                 priv->eeprom_ChannelPlan = (tmpValue & 0xff00) >> 8;
2429                 priv->btxpowerdata_readfromEEPORM = true;
2430                 ret = eprom_read(dev, (EEPROM_Customer_ID >> 1)) >> 8;
2431                 if (ret < 0)
2432                         return ret;
2433                 priv->eeprom_CustomerID = (u16)ret;
2434         } else {
2435                 priv->eeprom_vid = 0;
2436                 priv->eeprom_pid = 0;
2437                 priv->card_8192_version = VERSION_819xU_B;
2438                 priv->eeprom_ChannelPlan = 0;
2439                 priv->eeprom_CustomerID = 0;
2440         }
2441         RT_TRACE(COMP_EPROM,
2442                  "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n",
2443                  priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID,
2444                  priv->eeprom_ChannelPlan);
2445         /* set channelplan from eeprom */
2446         priv->ChannelPlan = priv->eeprom_ChannelPlan;
2447         if (bLoad_From_EEPOM) {
2448                 int i;
2449
2450                 for (i = 0; i < 6; i += 2) {
2451                         ret = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i) >> 1));
2452                         if (ret < 0)
2453                                 return ret;
2454                         *(u16 *)(&dev->dev_addr[i]) = (u16)ret;
2455                 }
2456         } else {
2457                 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2458                 /* should I set IDR0 here? */
2459         }
2460         RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
2461         priv->rf_type = RTL819X_DEFAULT_RF_TYPE; /* default 1T2R */
2462         priv->rf_chip = RF_8256;
2463
2464         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2465                 /* read Tx power gain offset of legacy OFDM to HT rate */
2466                 if (bLoad_From_EEPOM) {
2467                         ret = eprom_read(dev, (EEPROM_TxPowerDiff >> 1));
2468                         if (ret < 0)
2469                                 return ret;
2470                         priv->EEPROMTxPowerDiff = ((u16)ret & 0xff00) >> 8;
2471                 } else
2472                         priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower;
2473                 RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff);
2474                 /* read ThermalMeter from EEPROM */
2475                 if (bLoad_From_EEPOM) {
2476                         ret = eprom_read(dev, (EEPROM_ThermalMeter >> 1));
2477                         if (ret < 0)
2478                                 return ret;
2479                         priv->EEPROMThermalMeter = (u8)((u16)ret & 0x00ff);
2480                 } else
2481                         priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2482                 RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter);
2483                 /* for tx power track */
2484                 priv->TSSI_13dBm = priv->EEPROMThermalMeter * 100;
2485                 /* read antenna tx power offset of B/C/D to A from EEPROM */
2486                 if (bLoad_From_EEPOM) {
2487                         ret = eprom_read(dev, (EEPROM_PwDiff >> 1));
2488                         if (ret < 0)
2489                                 return ret;
2490                         priv->EEPROMPwDiff = ((u16)ret & 0x0f00) >> 8;
2491                 } else
2492                         priv->EEPROMPwDiff = EEPROM_Default_PwDiff;
2493                 RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff);
2494                 /* Read CrystalCap from EEPROM */
2495                 if (bLoad_From_EEPOM) {
2496                         ret = eprom_read(dev, (EEPROM_CrystalCap >> 1));
2497                         if (ret < 0)
2498                                 return ret;
2499                         priv->EEPROMCrystalCap = (u16)ret & 0x0f;
2500                 } else
2501                         priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap;
2502                 RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap);
2503                 /* get per-channel Tx power level */
2504                 if (bLoad_From_EEPOM) {
2505                         ret = eprom_read(dev, (EEPROM_TxPwIndex_Ver >> 1));
2506                         if (ret < 0)
2507                                 return ret;
2508                         priv->EEPROM_Def_Ver = ((u16)ret & 0xff00) >> 8;
2509                 } else
2510                         priv->EEPROM_Def_Ver = 1;
2511                 RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver);
2512                 if (priv->EEPROM_Def_Ver == 0) { /* old eeprom definition */
2513                         int i;
2514
2515                         if (bLoad_From_EEPOM) {
2516                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
2517                                 if (ret < 0)
2518                                         return ret;
2519                                 priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
2520                         } else
2521                                 priv->EEPROMTxPowerLevelCCK = 0x10;
2522                         RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
2523                         for (i = 0; i < 3; i++) {
2524                                 if (bLoad_From_EEPOM) {
2525                                         ret = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G + i) >> 1);
2526                                         if (ret < 0)
2527                                                 return ret;
2528                                         if (((EEPROM_TxPwIndex_OFDM_24G + i) % 2) == 0)
2529                                                 tmpValue = (u16)ret & 0x00ff;
2530                                         else
2531                                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2532                                 } else {
2533                                         tmpValue = 0x10;
2534                                 }
2535                                 priv->EEPROMTxPowerLevelOFDM24G[i] = (u8)tmpValue;
2536                                 RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK);
2537                         }
2538                 } else if (priv->EEPROM_Def_Ver == 1) {
2539                         if (bLoad_From_EEPOM) {
2540                                 ret = eprom_read(dev, EEPROM_TxPwIndex_CCK_V1 >> 1);
2541                                 if (ret < 0)
2542                                         return ret;
2543                                 tmpValue = ((u16)ret & 0xff00) >> 8;
2544                         } else {
2545                                 tmpValue = 0x10;
2546                         }
2547                         priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue;
2548
2549                         if (bLoad_From_EEPOM) {
2550                                 ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2) >> 1);
2551                                 if (ret < 0)
2552                                         return ret;
2553                                 tmpValue = (u16)ret;
2554                         } else
2555                                 tmpValue = 0x1010;
2556                         *((u16 *)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue;
2557                         if (bLoad_From_EEPOM)
2558                                 tmpValue = eprom_read(dev,
2559                                         EEPROM_TxPwIndex_OFDM_24G_V1 >> 1);
2560                         else
2561                                 tmpValue = 0x1010;
2562                         *((u16 *)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue;
2563                         if (bLoad_From_EEPOM)
2564                                 tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1 + 2) >> 1);
2565                         else
2566                                 tmpValue = 0x10;
2567                         priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue;
2568                 } /* endif EEPROM_Def_Ver == 1 */
2569
2570                 /* update HAL variables */
2571                 for (i = 0; i < 14; i++) {
2572                         if (i <= 3)
2573                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0];
2574                         else if (i >= 4 && i <= 9)
2575                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1];
2576                         else
2577                                 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2];
2578                 }
2579
2580                 for (i = 0; i < 14; i++) {
2581                         if (priv->EEPROM_Def_Ver == 0) {
2582                                 if (i <= 3)
2583                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2584                                 else if (i >= 4 && i <= 9)
2585                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK;
2586                                 else
2587                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]);
2588                         } else if (priv->EEPROM_Def_Ver == 1) {
2589                                 if (i <= 3)
2590                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0];
2591                                 else if (i >= 4 && i <= 9)
2592                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1];
2593                                 else
2594                                         priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2];
2595                         }
2596                 }
2597                 priv->TxPowerDiff = priv->EEPROMPwDiff;
2598                 /* Antenna B gain offset to antenna A, bit0~3 */
2599                 priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf);
2600                 /* Antenna C gain offset to antenna A, bit4~7 */
2601                 priv->AntennaTxPwDiff[1] =
2602                         (priv->EEPROMTxPowerDiff & 0xf0) >> 4;
2603                 /* CrystalCap, bit12~15 */
2604                 priv->CrystalCap = priv->EEPROMCrystalCap;
2605                 /* ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2606                  * 92U does not enable TX power tracking.
2607                  */
2608                 priv->ThermalMeter[0] = priv->EEPROMThermalMeter;
2609         } /* end if VersionID == VERSION_819xU_A */
2610
2611         /* for dlink led */
2612         switch (priv->eeprom_CustomerID) {
2613         case EEPROM_CID_RUNTOP:
2614                 priv->CustomerID = RT_CID_819x_RUNTOP;
2615                 break;
2616
2617         case EEPROM_CID_DLINK:
2618                 priv->CustomerID = RT_CID_DLINK;
2619                 break;
2620
2621         default:
2622                 priv->CustomerID = RT_CID_DEFAULT;
2623                 break;
2624         }
2625
2626         switch (priv->CustomerID) {
2627         case RT_CID_819x_RUNTOP:
2628                 priv->LedStrategy = SW_LED_MODE2;
2629                 break;
2630
2631         case RT_CID_DLINK:
2632                 priv->LedStrategy = SW_LED_MODE4;
2633                 break;
2634
2635         default:
2636                 priv->LedStrategy = SW_LED_MODE0;
2637                 break;
2638         }
2639
2640
2641         if (priv->rf_type == RF_1T2R)
2642                 RT_TRACE(COMP_EPROM, "\n1T2R config\n");
2643         else
2644                 RT_TRACE(COMP_EPROM, "\n2T4R config\n");
2645
2646         /* We can only know RF type in the function. So we have to init
2647          * DIG RATR table again.
2648          */
2649         init_rate_adaptive(dev);
2650
2651         RT_TRACE(COMP_EPROM, "<===========%s()\n", __func__);
2652
2653         return 0;
2654 }
2655
2656 static short rtl8192_get_channel_map(struct net_device *dev)
2657 {
2658         struct r8192_priv *priv = ieee80211_priv(dev);
2659
2660         if (priv->ChannelPlan > COUNTRY_CODE_GLOBAL_DOMAIN) {
2661                 netdev_err(dev,
2662                            "rtl8180_init: Error channel plan! Set to default.\n");
2663                 priv->ChannelPlan = 0;
2664         }
2665         RT_TRACE(COMP_INIT, "Channel plan is %d\n", priv->ChannelPlan);
2666
2667         rtl819x_set_channel_map(priv->ChannelPlan, priv);
2668         return 0;
2669 }
2670
2671 static short rtl8192_init(struct net_device *dev)
2672 {
2673         struct r8192_priv *priv = ieee80211_priv(dev);
2674         int err;
2675
2676         memset(&(priv->stats), 0, sizeof(struct Stats));
2677         memset(priv->txqueue_to_outpipemap, 0, 9);
2678 #ifdef PIPE12
2679         {
2680                 int i = 0;
2681                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 8, 7, 6, 5};
2682
2683                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2684         }
2685 #else
2686         {
2687                 u8 queuetopipe[] = {3, 2, 1, 0, 4, 4, 0, 4, 4};
2688
2689                 memcpy(priv->txqueue_to_outpipemap, queuetopipe, 9);
2690         }
2691 #endif
2692         rtl8192_init_priv_variable(dev);
2693         rtl8192_init_priv_lock(priv);
2694         rtl8192_init_priv_task(dev);
2695         rtl8192_get_eeprom_size(dev);
2696         err = rtl8192_read_eeprom_info(dev);
2697         if (err) {
2698                 DMESG("Reading EEPROM info failed");
2699                 return err;
2700         }
2701         rtl8192_get_channel_map(dev);
2702         init_hal_dm(dev);
2703         timer_setup(&priv->watch_dog_timer, watch_dog_timer_callback, 0);
2704         if (rtl8192_usb_initendpoints(dev) != 0) {
2705                 DMESG("Endopoints initialization failed");
2706                 return -ENOMEM;
2707         }
2708
2709         return 0;
2710 }
2711
2712 /******************************************************************************
2713  *function:  This function actually only set RRSR, RATR and BW_OPMODE registers
2714  *           not to do all the hw config as its name says
2715  *   input:  net_device dev
2716  *  output:  none
2717  *  return:  none
2718  *  notice:  This part need to modified according to the rate set we filtered
2719  * ****************************************************************************/
2720 static void rtl8192_hwconfig(struct net_device *dev)
2721 {
2722         u32 regRATR = 0, regRRSR = 0;
2723         u8 regBwOpMode = 0, regTmp = 0;
2724         struct r8192_priv *priv = ieee80211_priv(dev);
2725         u32 ratr_value = 0;
2726
2727         /* Set RRSR, RATR, and BW_OPMODE registers */
2728         switch (priv->ieee80211->mode) {
2729         case WIRELESS_MODE_B:
2730                 regBwOpMode = BW_OPMODE_20MHZ;
2731                 regRATR = RATE_ALL_CCK;
2732                 regRRSR = RATE_ALL_CCK;
2733                 break;
2734         case WIRELESS_MODE_A:
2735                 regBwOpMode = BW_OPMODE_5G | BW_OPMODE_20MHZ;
2736                 regRATR = RATE_ALL_OFDM_AG;
2737                 regRRSR = RATE_ALL_OFDM_AG;
2738                 break;
2739         case WIRELESS_MODE_G:
2740                 regBwOpMode = BW_OPMODE_20MHZ;
2741                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2742                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2743                 break;
2744         case WIRELESS_MODE_AUTO:
2745 #ifdef TO_DO_LIST
2746                 if (Adapter->bInHctTest) {
2747                         regBwOpMode = BW_OPMODE_20MHZ;
2748                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2749                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2750                 } else
2751 #endif
2752                 {
2753                         regBwOpMode = BW_OPMODE_20MHZ;
2754                         regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2755                                   RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2756                         regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2757                 }
2758                 break;
2759         case WIRELESS_MODE_N_24G:
2760                 /* It support CCK rate by default. CCK rate will be filtered
2761                  * out only when associated AP does not support it.
2762                  */
2763                 regBwOpMode = BW_OPMODE_20MHZ;
2764                 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG |
2765                           RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2766                 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2767                 break;
2768         case WIRELESS_MODE_N_5G:
2769                 regBwOpMode = BW_OPMODE_5G;
2770                 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS |
2771                           RATE_ALL_OFDM_2SS;
2772                 regRRSR = RATE_ALL_OFDM_AG;
2773                 break;
2774         }
2775
2776         write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2777         ratr_value = regRATR;
2778         if (priv->rf_type == RF_1T2R)
2779                 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2780         write_nic_dword(dev, RATR0, ratr_value);
2781         write_nic_byte(dev, UFWP, 1);
2782         read_nic_byte(dev, 0x313, &regTmp);
2783         regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2784         write_nic_dword(dev, RRSR, regRRSR);
2785
2786         /* Set Retry Limit here */
2787         write_nic_word(dev, RETRY_LIMIT,
2788                        priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2789                        priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2790         /* Set Contention Window here */
2791
2792         /* Set Tx AGC */
2793
2794         /* Set Tx Antenna including Feedback control */
2795
2796         /* Set Auto Rate fallback control */
2797 }
2798
2799
2800 /* InitializeAdapter and PhyCfg */
2801 static bool rtl8192_adapter_start(struct net_device *dev)
2802 {
2803         struct r8192_priv *priv = ieee80211_priv(dev);
2804         u32 dwRegRead = 0;
2805         bool init_status = true;
2806         u8 SECR_value = 0x0;
2807         u8 tmp;
2808
2809         RT_TRACE(COMP_INIT, "====>%s()\n", __func__);
2810         priv->Rf_Mode = RF_OP_By_SW_3wire;
2811         /* for ASIC power on sequence */
2812         write_nic_byte_E(dev, 0x5f, 0x80);
2813         mdelay(50);
2814         write_nic_byte_E(dev, 0x5f, 0xf0);
2815         write_nic_byte_E(dev, 0x5d, 0x00);
2816         write_nic_byte_E(dev, 0x5e, 0x80);
2817         write_nic_byte(dev, 0x17, 0x37);
2818         mdelay(10);
2819         priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2820         /* config CPUReset Register */
2821         /* Firmware Reset or not? */
2822         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2823         if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2824                 dwRegRead |= CPU_GEN_SYSTEM_RESET; /* do nothing here? */
2825         else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2826                 dwRegRead |= CPU_GEN_FIRMWARE_RESET;
2827         else
2828                 RT_TRACE(COMP_ERR,
2829                          "ERROR in %s(): undefined firmware state(%d)\n",
2830                          __func__,   priv->pFirmware->firmware_status);
2831
2832         write_nic_dword(dev, CPU_GEN, dwRegRead);
2833         /* config BB. */
2834         rtl8192_BBConfig(dev);
2835
2836         /* Loopback mode or not */
2837         priv->LoopbackMode = RTL819xU_NO_LOOPBACK;
2838
2839         read_nic_dword(dev, CPU_GEN, &dwRegRead);
2840         if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK)
2841                 dwRegRead = (dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) |
2842                             CPU_GEN_NO_LOOPBACK_SET;
2843         else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK)
2844                 dwRegRead |= CPU_CCK_LOOPBACK;
2845         else
2846                 RT_TRACE(COMP_ERR,
2847                          "Serious error in %s(): wrong loopback mode setting(%d)\n",
2848                          __func__,  priv->LoopbackMode);
2849
2850         write_nic_dword(dev, CPU_GEN, dwRegRead);
2851
2852         /* after reset cpu, we need wait for a seconds to write in register. */
2853         udelay(500);
2854
2855         /* add for new bitfile:usb suspend reset pin set to 1. Do we need? */
2856         read_nic_byte_E(dev, 0x5f, &tmp);
2857         write_nic_byte_E(dev, 0x5f, tmp | 0x20);
2858
2859         /* Set Hardware */
2860         rtl8192_hwconfig(dev);
2861
2862         /* turn on Tx/Rx */
2863         write_nic_byte(dev, CMDR, CR_RE | CR_TE);
2864
2865         /* set IDR0 here */
2866         write_nic_dword(dev, MAC0, ((u32 *)dev->dev_addr)[0]);
2867         write_nic_word(dev, MAC4, ((u16 *)(dev->dev_addr + 4))[0]);
2868
2869         /* set RCR */
2870         write_nic_dword(dev, RCR, priv->ReceiveConfig);
2871
2872         /* Initialize Number of Reserved Pages in Firmware Queue */
2873         write_nic_dword(dev, RQPN1,
2874                 NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2875                 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2876                 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2877                 NUM_OF_PAGE_IN_FW_QUEUE_VO << RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2878         write_nic_dword(dev, RQPN2,
2879                 NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT |
2880                 NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_SHIFT);
2881         write_nic_dword(dev, RQPN3,
2882                 APPLIED_RESERVED_QUEUE_IN_FW |
2883                 NUM_OF_PAGE_IN_FW_QUEUE_BCN << RSVD_FW_QUEUE_PAGE_BCN_SHIFT);
2884         write_nic_dword(dev, RATR0 + 4 * 7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2885
2886         /* Set AckTimeout */
2887         /* TODO: (it value is only for FPGA version). need to be changed!! */
2888         write_nic_byte(dev, ACK_TIMEOUT, 0x30);
2889
2890         if (priv->ResetProgress == RESET_TYPE_NORESET)
2891                 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2892         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2893                 CamResetAllEntry(dev);
2894                 SECR_value |= SCR_TxEncEnable;
2895                 SECR_value |= SCR_RxDecEnable;
2896                 SECR_value |= SCR_NoSKMC;
2897                 write_nic_byte(dev, SECR, SECR_value);
2898         }
2899
2900         /* Beacon related */
2901         write_nic_word(dev, ATIMWND, 2);
2902         write_nic_word(dev, BCN_INTERVAL, 100);
2903
2904 #define DEFAULT_EDCA 0x005e4332
2905         {
2906                 int i;
2907
2908                 for (i = 0; i < QOS_QUEUE_NUM; i++)
2909                         write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA);
2910         }
2911
2912         rtl8192_phy_configmac(dev);
2913
2914         if (priv->card_8192_version == (u8)VERSION_819xU_A) {
2915                 rtl8192_phy_getTxPower(dev);
2916                 rtl8192_phy_setTxPower(dev, priv->chan);
2917         }
2918
2919         /* Firmware download */
2920         init_status = init_firmware(dev);
2921         if (!init_status) {
2922                 RT_TRACE(COMP_ERR, "ERR!!! %s(): Firmware download is failed\n",
2923                          __func__);
2924                 return init_status;
2925         }
2926         RT_TRACE(COMP_INIT, "%s():after firmware download\n", __func__);
2927
2928 #ifdef TO_DO_LIST
2929         if (Adapter->ResetProgress == RESET_TYPE_NORESET) {
2930                 if (pMgntInfo->RegRfOff) { /* User disable RF via registry. */
2931                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2932                                  ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n"));
2933                         MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW);
2934                         /* Those actions will be discard in MgntActSet_RF_State
2935                          * because of the same state
2936                          */
2937                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2938                                 PHY_SetRFReg(Adapter,
2939                                              (RF90_RADIO_PATH_E)eRFPath,
2940                                              0x4, 0xC00, 0x0);
2941                 } else if (pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) {
2942                         /* H/W or S/W RF OFF before sleep. */
2943                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2944                                  ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n",
2945                                   pMgntInfo->RfOffReason));
2946                         MgntActSet_RF_State(Adapter,
2947                                             eRfOff,
2948                                             pMgntInfo->RfOffReason);
2949                 } else {
2950                         pHalData->eRFPowerState = eRfOn;
2951                         pMgntInfo->RfOffReason = 0;
2952                         RT_TRACE((COMP_INIT | COMP_RF), DBG_LOUD,
2953                                  ("InitializeAdapter819xUsb(): RF is on ----------\n"));
2954                 }
2955         } else {
2956                 if (pHalData->eRFPowerState == eRfOff) {
2957                         MgntActSet_RF_State(Adapter,
2958                                             eRfOff,
2959                                             pMgntInfo->RfOffReason);
2960                         /* Those actions will be discard in MgntActSet_RF_State
2961                          * because of the same state
2962                          */
2963                         for (eRFPath = 0; eRFPath < pHalData->NumTotalRFPath; eRFPath++)
2964                                 PHY_SetRFReg(Adapter,
2965                                              (RF90_RADIO_PATH_E)eRFPath,
2966                                              0x4, 0xC00, 0x0);
2967                 }
2968         }
2969 #endif
2970         /* config RF. */
2971         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2972                 rtl8192_phy_RFConfig(dev);
2973                 RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __func__);
2974         }
2975
2976
2977         if (priv->ieee80211->FwRWRF)
2978                 /* We can force firmware to do RF-R/W */
2979                 priv->Rf_Mode = RF_OP_By_FW;
2980         else
2981                 priv->Rf_Mode = RF_OP_By_SW_3wire;
2982
2983
2984         rtl8192_phy_updateInitGain(dev);
2985         /*--set CCK and OFDM Block "ON"--*/
2986         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2987         rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2988
2989         if (priv->ResetProgress == RESET_TYPE_NORESET) {
2990                 /* if D or C cut */
2991                 u8 tmpvalue;
2992
2993                 read_nic_byte(dev, 0x301, &tmpvalue);
2994                 if (tmpvalue == 0x03) {
2995                         priv->bDcut = true;
2996                         RT_TRACE(COMP_POWER_TRACKING, "D-cut\n");
2997                 } else {
2998                         priv->bDcut = false;
2999                         RT_TRACE(COMP_POWER_TRACKING, "C-cut\n");
3000                 }
3001                 dm_initialize_txpower_tracking(dev);
3002
3003                 if (priv->bDcut) {
3004                         u32 i, TempCCk;
3005                         u32 tmpRegA = rtl8192_QueryBBReg(dev,
3006                                                          rOFDM0_XATxIQImbalance,
3007                                                          bMaskDWord);
3008
3009                         for (i = 0; i < TxBBGainTableLength; i++) {
3010                                 if (tmpRegA == priv->txbbgain_table[i].txbbgain_value) {
3011                                         priv->rfa_txpowertrackingindex = (u8)i;
3012                                         priv->rfa_txpowertrackingindex_real =
3013                                                 (u8)i;
3014                                         priv->rfa_txpowertracking_default =
3015                                                 priv->rfa_txpowertrackingindex;
3016                                         break;
3017                                 }
3018                         }
3019
3020                         TempCCk = rtl8192_QueryBBReg(dev,
3021                                                      rCCK0_TxFilter1,
3022                                                      bMaskByte2);
3023
3024                         for (i = 0; i < CCKTxBBGainTableLength; i++) {
3025                                 if (TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) {
3026                                         priv->cck_present_attenuation_20Mdefault = (u8)i;
3027                                         break;
3028                                 }
3029                         }
3030                         priv->cck_present_attenuation_40Mdefault = 0;
3031                         priv->cck_present_attenuation_difference = 0;
3032                         priv->cck_present_attenuation =
3033                                 priv->cck_present_attenuation_20Mdefault;
3034                 }
3035         }
3036         write_nic_byte(dev, 0x87, 0x0);
3037
3038
3039         return init_status;
3040 }
3041
3042 /* this configures registers for beacon tx and enables it via
3043  * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3044  * be used to stop beacon transmission
3045  */
3046 /***************************************************************************
3047  *   -------------------------------NET STUFF---------------------------
3048  ***************************************************************************/
3049
3050 static struct net_device_stats *rtl8192_stats(struct net_device *dev)
3051 {
3052         struct r8192_priv *priv = ieee80211_priv(dev);
3053
3054         return &priv->ieee80211->stats;
3055 }
3056
3057 static bool HalTxCheckStuck819xUsb(struct net_device *dev)
3058 {
3059         struct r8192_priv *priv = ieee80211_priv(dev);
3060         u16             RegTxCounter;
3061         bool            bStuck = false;
3062
3063         read_nic_word(dev, 0x128, &RegTxCounter);
3064         RT_TRACE(COMP_RESET,
3065                  "%s():RegTxCounter is %d,TxCounter is %d\n", __func__,
3066                  RegTxCounter, priv->TxCounter);
3067         if (priv->TxCounter == RegTxCounter)
3068                 bStuck = true;
3069
3070         priv->TxCounter = RegTxCounter;
3071
3072         return bStuck;
3073 }
3074
3075 /*
3076  *      <Assumption: RT_TX_SPINLOCK is acquired.>
3077  *      First added: 2006.11.19 by emily
3078  */
3079 static RESET_TYPE TxCheckStuck(struct net_device *dev)
3080 {
3081         struct r8192_priv *priv = ieee80211_priv(dev);
3082         u8                      QueueID;
3083         bool                    bCheckFwTxCnt = false;
3084
3085         /* Decide such threshold according to current power save mode */
3086
3087         for (QueueID = 0; QueueID <= BEACON_QUEUE; QueueID++) {
3088                 if (QueueID == TXCMD_QUEUE)
3089                         continue;
3090                 if ((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0)  && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0))
3091                         continue;
3092
3093                 bCheckFwTxCnt = true;
3094         }
3095         if (bCheckFwTxCnt) {
3096                 if (HalTxCheckStuck819xUsb(dev)) {
3097                         RT_TRACE(COMP_RESET,
3098                                  "%s: Fw indicates no Tx condition!\n",
3099                                  __func__);
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 {