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staging: rtl8192e: Pass priv to rtl8192_interrupt
[linux-2.6.git] / drivers / staging / rtl8192e / r8192E_core.c
blob933574c572f309cda3308e1d295a023acacdf4ad
1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 * Linux device driver for RTL8192E
4 *
5 * Based on the r8180 driver, which is:
6 * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 *
20 * The full GNU General Public License is included in this distribution in the
21 * file called LICENSE.
22 *
23 * Contact Information:
24 * Jerry chuang <wlanfae@realtek.com>
25 */
26
27
28 #include <linux/vmalloc.h>
29 #include <linux/slab.h>
30 #include <asm/uaccess.h>
31 #include "r8192E_hw.h"
32 #include "r8192E.h"
33 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
34 #include "r8180_93cx6.h" /* Card EEPROM */
35 #include "r8192E_wx.h"
36 #include "r819xE_phy.h" //added by WB 4.30.2008
37 #include "r819xE_phyreg.h"
38 #include "r819xE_cmdpkt.h"
39 #include "r8192E_dm.h"
40
41 #ifdef CONFIG_PM
42 #include "r8192_pm.h"
43 #endif
44
45 #ifdef ENABLE_DOT11D
46 #include "ieee80211/dot11d.h"
47 #endif
48
49 //set here to open your trace code. //WB
50 u32 rt_global_debug_component = COMP_ERR ; //always open err flags on
51
52 static DEFINE_PCI_DEVICE_TABLE(rtl8192_pci_id_tbl) = {
53 /* Realtek */
54 { PCI_DEVICE(0x10ec, 0x8192) },
55
56 /* Corega */
57 { PCI_DEVICE(0x07aa, 0x0044) },
58 { PCI_DEVICE(0x07aa, 0x0047) },
59 {}
60 };
61
62 static char ifname[IFNAMSIZ] = "wlan%d";
63 static int hwwep = 1; //default use hw. set 0 to use software security
64 static int channels = 0x3fff;
65
66 MODULE_LICENSE("GPL");
67 MODULE_VERSION("V 1.1");
68 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
69 //MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
70 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
71
72
73 module_param_string(ifname, ifname, sizeof(ifname), S_IRUGO|S_IWUSR);
74 module_param(hwwep,int, S_IRUGO|S_IWUSR);
75 module_param(channels,int, S_IRUGO|S_IWUSR);
76
77 MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
78 MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards");
79 MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
80
81 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
82 const struct pci_device_id *id);
83 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
84
85 static struct pci_driver rtl8192_pci_driver = {
86 .name = RTL819xE_MODULE_NAME, /* Driver name */
87 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
88 .probe = rtl8192_pci_probe, /* probe fn */
89 .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
90 #ifdef CONFIG_PM
91 .suspend = rtl8192E_suspend, /* PM suspend fn */
92 .resume = rtl8192E_resume, /* PM resume fn */
93 #else
94 .suspend = NULL, /* PM suspend fn */
95 .resume = NULL, /* PM resume fn */
96 #endif
97 };
98
99 static void rtl8192_start_beacon(struct ieee80211_device *ieee80211);
100 static void rtl8192_stop_beacon(struct ieee80211_device *ieee80211);
101 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
102 static void rtl8192_irq_rx_tasklet(unsigned long arg);
103 static void rtl8192_irq_tx_tasklet(unsigned long arg);
104 static void rtl8192_prepare_beacon(unsigned long arg);
105 static irqreturn_t rtl8192_interrupt(int irq, void *param);
106 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb);
107 static void rtl8192_update_ratr_table(struct r8192_priv *priv);
108 static void rtl8192_restart(struct work_struct *work);
109 static void watch_dog_timer_callback(unsigned long data);
110 static int _rtl8192_up(struct r8192_priv *priv);
111 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
112 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb);
113
114 #ifdef ENABLE_DOT11D
115
116 typedef struct _CHANNEL_LIST
117 {
118 u8 Channel[32];
119 u8 Len;
120 }CHANNEL_LIST, *PCHANNEL_LIST;
121
122 static const CHANNEL_LIST ChannelPlan[] = {
123 {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64,149,153,157,161,165},24}, //FCC
124 {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC
125 {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI
126 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI.
127 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI.
128 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, //MKK //MKK
129 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
130 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel.
131 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, // For 11a , TELEC
132 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC
133 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14} //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
134 };
135
136 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
137 {
138 int i, max_chan=-1, min_chan=-1;
139 struct ieee80211_device* ieee = priv->ieee80211;
140 switch (channel_plan)
141 {
142 case COUNTRY_CODE_FCC:
143 case COUNTRY_CODE_IC:
144 case COUNTRY_CODE_ETSI:
145 case COUNTRY_CODE_SPAIN:
146 case COUNTRY_CODE_FRANCE:
147 case COUNTRY_CODE_MKK:
148 case COUNTRY_CODE_MKK1:
149 case COUNTRY_CODE_ISRAEL:
150 case COUNTRY_CODE_TELEC:
151 case COUNTRY_CODE_MIC:
152 {
153 Dot11d_Init(ieee);
154 ieee->bGlobalDomain = false;
155 //acturally 8225 & 8256 rf chip only support B,G,24N mode
156 min_chan = 1;
157 max_chan = 14;
158
159 if (ChannelPlan[channel_plan].Len != 0){
160 // Clear old channel map
161 memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
162 // Set new channel map
163 for (i=0;i<ChannelPlan[channel_plan].Len;i++)
164 {
165 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
166 break;
167 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
168 }
169 }
170 break;
171 }
172 case COUNTRY_CODE_GLOBAL_DOMAIN:
173 {
174 GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
175 Dot11d_Reset(ieee);
176 ieee->bGlobalDomain = true;
177 break;
178 }
179 default:
180 break;
181 }
182 }
183 #endif
184
185 static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo)
186 {
187 return (pdrvinfo->RxRate == DESC90_RATE1M ||
188 pdrvinfo->RxRate == DESC90_RATE2M ||
189 pdrvinfo->RxRate == DESC90_RATE5_5M ||
190 pdrvinfo->RxRate == DESC90_RATE11M) &&
191 !pdrvinfo->RxHT;
192 }
193
194 void CamResetAllEntry(struct r8192_priv* priv)
195 {
196 write_nic_dword(priv, RWCAM, BIT31|BIT30);
197 }
198
199 void write_cam(struct r8192_priv *priv, u8 addr, u32 data)
200 {
201 write_nic_dword(priv, WCAMI, data);
202 write_nic_dword(priv, RWCAM, BIT31|BIT16|(addr&0xff) );
203 }
204
205 u32 read_cam(struct r8192_priv *priv, u8 addr)
206 {
207 write_nic_dword(priv, RWCAM, 0x80000000|(addr&0xff) );
208 return read_nic_dword(priv, 0xa8);
209 }
210
211 u8 read_nic_byte(struct r8192_priv *priv, int x)
212 {
213 return 0xff & readb(priv->mem_start + x);
214 }
215
216 u32 read_nic_dword(struct r8192_priv *priv, int x)
217 {
218 return readl(priv->mem_start + x);
219 }
220
221 u16 read_nic_word(struct r8192_priv *priv, int x)
222 {
223 return readw(priv->mem_start + x);
224 }
225
226 void write_nic_byte(struct r8192_priv *priv, int x,u8 y)
227 {
228 writeb(y, priv->mem_start + x);
229 udelay(20);
230 }
231
232 void write_nic_dword(struct r8192_priv *priv, int x,u32 y)
233 {
234 writel(y, priv->mem_start + x);
235 udelay(20);
236 }
237
238 void write_nic_word(struct r8192_priv *priv, int x,u16 y)
239 {
240 writew(y, priv->mem_start + x);
241 udelay(20);
242 }
243
244 u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
245 {
246 static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
247 static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
248 int wpa_ie_len= ieee->wpa_ie_len;
249 struct ieee80211_crypt_data* crypt;
250 int encrypt;
251
252 crypt = ieee->crypt[ieee->tx_keyidx];
253
254 encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||
255 (ieee->host_encrypt && crypt && crypt->ops &&
256 (0 == strcmp(crypt->ops->name,"WEP")));
257
258 /* simply judge */
259 if(encrypt && (wpa_ie_len == 0)) {
260 // wep encryption, no N mode setting */
261 return SEC_ALG_WEP;
262 } else if((wpa_ie_len != 0)) {
263 // parse pairwise key type */
264 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
265 ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
266 return SEC_ALG_CCMP;
267 else
268 return SEC_ALG_TKIP;
269 } else {
270 return SEC_ALG_NONE;
271 }
272 }
273
274 void rtl8192e_SetHwReg(struct ieee80211_device *ieee80211, u8 variable, u8 *val)
275 {
276 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
277
278 switch(variable)
279 {
280
281 case HW_VAR_BSSID:
282 write_nic_dword(priv, BSSIDR, ((u32*)(val))[0]);
283 write_nic_word(priv, BSSIDR+2, ((u16*)(val+2))[0]);
284 break;
285
286 case HW_VAR_MEDIA_STATUS:
287 {
288 RT_OP_MODE OpMode = *((RT_OP_MODE *)(val));
289 u8 btMsr = read_nic_byte(priv, MSR);
290
291 btMsr &= 0xfc;
292
293 switch(OpMode)
294 {
295 case RT_OP_MODE_INFRASTRUCTURE:
296 btMsr |= MSR_INFRA;
297 break;
298
299 case RT_OP_MODE_IBSS:
300 btMsr |= MSR_ADHOC;
301 break;
302
303 case RT_OP_MODE_AP:
304 btMsr |= MSR_AP;
305 break;
306
307 default:
308 btMsr |= MSR_NOLINK;
309 break;
310 }
311
312 write_nic_byte(priv, MSR, btMsr);
313 }
314 break;
315
316 case HW_VAR_CHECK_BSSID:
317 {
318 u32 RegRCR, Type;
319
320 Type = ((u8*)(val))[0];
321 RegRCR = read_nic_dword(priv, RCR);
322 priv->ReceiveConfig = RegRCR;
323
324 if (Type == true)
325 RegRCR |= (RCR_CBSSID);
326 else if (Type == false)
327 RegRCR &= (~RCR_CBSSID);
328
329 write_nic_dword(priv, RCR,RegRCR);
330 priv->ReceiveConfig = RegRCR;
331
332 }
333 break;
334
335 case HW_VAR_SLOT_TIME:
336 {
337 priv->slot_time = val[0];
338 write_nic_byte(priv, SLOT_TIME, val[0]);
339
340 }
341 break;
342
343 case HW_VAR_ACK_PREAMBLE:
344 {
345 u32 regTmp = 0;
346 priv->short_preamble = (bool)(*(u8*)val );
347 regTmp = priv->basic_rate;
348 if (priv->short_preamble)
349 regTmp |= BRSR_AckShortPmb;
350 write_nic_dword(priv, RRSR, regTmp);
351 }
352 break;
353
354 case HW_VAR_CPU_RST:
355 write_nic_dword(priv, CPU_GEN, ((u32*)(val))[0]);
356 break;
357
358 default:
359 break;
360 }
361
362 }
363
364 static struct proc_dir_entry *rtl8192_proc = NULL;
365
366 static int proc_get_stats_ap(char *page, char **start,
367 off_t offset, int count,
368 int *eof, void *data)
369 {
370 struct r8192_priv *priv = data;
371 struct ieee80211_device *ieee = priv->ieee80211;
372 struct ieee80211_network *target;
373 int len = 0;
374
375 list_for_each_entry(target, &ieee->network_list, list) {
376
377 len += snprintf(page + len, count - len,
378 "%s ", target->ssid);
379
380 if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
381 len += snprintf(page + len, count - len,
382 "WPA\n");
383 }
384 else{
385 len += snprintf(page + len, count - len,
386 "non_WPA\n");
387 }
388
389 }
390
391 *eof = 1;
392 return len;
393 }
394
395 static int proc_get_registers(char *page, char **start,
396 off_t offset, int count,
397 int *eof, void *data)
398 {
399 struct r8192_priv *priv = data;
400 int len = 0;
401 int i,n;
402 int max=0xff;
403
404 /* This dump the current register page */
405 len += snprintf(page + len, count - len,
406 "\n####################page 0##################\n ");
407
408 for(n=0;n<=max;)
409 {
410 len += snprintf(page + len, count - len,
411 "\nD: %2x > ",n);
412
413 for(i=0;i<16 && n<=max;i++,n++)
414 len += snprintf(page + len, count - len,
415 "%2x ",read_nic_byte(priv,n));
416 }
417 len += snprintf(page + len, count - len,"\n");
418 len += snprintf(page + len, count - len,
419 "\n####################page 1##################\n ");
420 for(n=0;n<=max;)
421 {
422 len += snprintf(page + len, count - len,
423 "\nD: %2x > ",n);
424
425 for(i=0;i<16 && n<=max;i++,n++)
426 len += snprintf(page + len, count - len,
427 "%2x ",read_nic_byte(priv,0x100|n));
428 }
429
430 len += snprintf(page + len, count - len,
431 "\n####################page 3##################\n ");
432 for(n=0;n<=max;)
433 {
434 len += snprintf(page + len, count - len,
435 "\nD: %2x > ",n);
436
437 for(i=0;i<16 && n<=max;i++,n++)
438 len += snprintf(page + len, count - len,
439 "%2x ",read_nic_byte(priv,0x300|n));
440 }
441
442 *eof = 1;
443 return len;
444
445 }
446
447 static int proc_get_stats_tx(char *page, char **start,
448 off_t offset, int count,
449 int *eof, void *data)
450 {
451 struct r8192_priv *priv = data;
452
453 int len = 0;
454
455 len += snprintf(page + len, count - len,
456 "TX VI priority ok int: %lu\n"
457 "TX VO priority ok int: %lu\n"
458 "TX BE priority ok int: %lu\n"
459 "TX BK priority ok int: %lu\n"
460 "TX MANAGE priority ok int: %lu\n"
461 "TX BEACON priority ok int: %lu\n"
462 "TX BEACON priority error int: %lu\n"
463 "TX CMDPKT priority ok int: %lu\n"
464 "TX queue stopped?: %d\n"
465 "TX fifo overflow: %lu\n"
466 "TX total data packets %lu\n"
467 "TX total data bytes :%lu\n",
468 priv->stats.txviokint,
469 priv->stats.txvookint,
470 priv->stats.txbeokint,
471 priv->stats.txbkokint,
472 priv->stats.txmanageokint,
473 priv->stats.txbeaconokint,
474 priv->stats.txbeaconerr,
475 priv->stats.txcmdpktokint,
476 netif_queue_stopped(priv->ieee80211->dev),
477 priv->stats.txoverflow,
478 priv->ieee80211->stats.tx_packets,
479 priv->ieee80211->stats.tx_bytes);
480
481 *eof = 1;
482 return len;
483 }
484
485
486
487 static int proc_get_stats_rx(char *page, char **start,
488 off_t offset, int count,
489 int *eof, void *data)
490 {
491 struct r8192_priv *priv = data;
492 int len = 0;
493
494 len += snprintf(page + len, count - len,
495 "RX packets: %lu\n"
496 "RX desc err: %lu\n"
497 "RX rx overflow error: %lu\n",
498 priv->stats.rxint,
499 priv->stats.rxrdu,
500 priv->stats.rxoverflow);
501
502 *eof = 1;
503 return len;
504 }
505
506 static void rtl8192_proc_module_init(void)
507 {
508 RT_TRACE(COMP_INIT, "Initializing proc filesystem\n");
509 rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
510 }
511
512
513 static void rtl8192_proc_module_remove(void)
514 {
515 remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
516 }
517
518
519 static void rtl8192_proc_remove_one(struct r8192_priv *priv)
520 {
521 struct net_device *dev = priv->ieee80211->dev;
522
523 printk("dev name=======> %s\n",dev->name);
524
525 if (priv->dir_dev) {
526 remove_proc_entry("stats-tx", priv->dir_dev);
527 remove_proc_entry("stats-rx", priv->dir_dev);
528 remove_proc_entry("stats-ap", priv->dir_dev);
529 remove_proc_entry("registers", priv->dir_dev);
530 remove_proc_entry("wlan0", rtl8192_proc);
531 priv->dir_dev = NULL;
532 }
533 }
534
535
536 static void rtl8192_proc_init_one(struct r8192_priv *priv)
537 {
538 struct net_device *dev = priv->ieee80211->dev;
539 struct proc_dir_entry *e;
540
541 priv->dir_dev = create_proc_entry(dev->name,
542 S_IFDIR | S_IRUGO | S_IXUGO,
543 rtl8192_proc);
544 if (!priv->dir_dev) {
545 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
546 dev->name);
547 return;
548 }
549 e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
550 priv->dir_dev, proc_get_stats_rx, priv);
551
552 if (!e) {
553 RT_TRACE(COMP_ERR,"Unable to initialize "
554 "/proc/net/rtl8192/%s/stats-rx\n",
555 dev->name);
556 }
557
558
559 e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
560 priv->dir_dev, proc_get_stats_tx, priv);
561
562 if (!e) {
563 RT_TRACE(COMP_ERR, "Unable to initialize "
564 "/proc/net/rtl8192/%s/stats-tx\n",
565 dev->name);
566 }
567
568 e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
569 priv->dir_dev, proc_get_stats_ap, priv);
570
571 if (!e) {
572 RT_TRACE(COMP_ERR, "Unable to initialize "
573 "/proc/net/rtl8192/%s/stats-ap\n",
574 dev->name);
575 }
576
577 e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
578 priv->dir_dev, proc_get_registers, priv);
579 if (!e) {
580 RT_TRACE(COMP_ERR, "Unable to initialize "
581 "/proc/net/rtl8192/%s/registers\n",
582 dev->name);
583 }
584 }
585
586 static short check_nic_enough_desc(struct ieee80211_device *ieee, int prio)
587 {
588 struct r8192_priv *priv = ieee80211_priv(ieee->dev);
589 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
590
591 /* for now we reserve two free descriptor as a safety boundary
592 * between the tail and the head
593 */
594 return (ring->entries - skb_queue_len(&ring->queue) >= 2);
595 }
596
597 static void tx_timeout(struct net_device *dev)
598 {
599 struct r8192_priv *priv = ieee80211_priv(dev);
600
601 schedule_work(&priv->reset_wq);
602 printk("TXTIMEOUT");
603 }
604
605 static void rtl8192_irq_enable(struct r8192_priv *priv)
606 {
607 u32 mask;
608
609 mask = IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |
610 IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |
611 IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |
612 IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER;
613
614 write_nic_dword(priv, INTA_MASK, mask);
615 }
616
617 static void rtl8192_irq_disable(struct r8192_priv *priv)
618 {
619 write_nic_dword(priv, INTA_MASK, 0);
620 synchronize_irq(priv->irq);
621 }
622
623 static void rtl8192_update_msr(struct r8192_priv *priv)
624 {
625 u8 msr;
626
627 msr = read_nic_byte(priv, MSR);
628 msr &= ~ MSR_LINK_MASK;
629
630 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
631 * msr must be updated if the state is ASSOCIATING.
632 * this is intentional and make sense for ad-hoc and
633 * master (see the create BSS/IBSS func)
634 */
635 if (priv->ieee80211->state == IEEE80211_LINKED){
636
637 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
638 msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
639 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
640 msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
641 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
642 msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
643
644 }else
645 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
646
647 write_nic_byte(priv, MSR, msr);
648 }
649
650 static void rtl8192_set_chan(struct ieee80211_device *ieee80211, short ch)
651 {
652 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
653
654 priv->chan = ch;
655
656 /* need to implement rf set channel here WB */
657
658 if (priv->rf_set_chan)
659 priv->rf_set_chan(ieee80211, priv->chan);
660 }
661
662 static void rtl8192_rx_enable(struct r8192_priv *priv)
663 {
664 write_nic_dword(priv, RDQDA, priv->rx_ring_dma);
665 }
666
667 /* the TX_DESC_BASE setting is according to the following queue index
668 * BK_QUEUE ===> 0
669 * BE_QUEUE ===> 1
670 * VI_QUEUE ===> 2
671 * VO_QUEUE ===> 3
672 * HCCA_QUEUE ===> 4
673 * TXCMD_QUEUE ===> 5
674 * MGNT_QUEUE ===> 6
675 * HIGH_QUEUE ===> 7
676 * BEACON_QUEUE ===> 8
677 * */
678 static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
679 static void rtl8192_tx_enable(struct r8192_priv *priv)
680 {
681 u32 i;
682
683 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
684 write_nic_dword(priv, TX_DESC_BASE[i], priv->tx_ring[i].dma);
685
686 ieee80211_reset_queue(priv->ieee80211);
687 }
688
689
690 static void rtl8192_free_rx_ring(struct r8192_priv *priv)
691 {
692 int i;
693
694 for (i = 0; i < priv->rxringcount; i++) {
695 struct sk_buff *skb = priv->rx_buf[i];
696 if (!skb)
697 continue;
698
699 pci_unmap_single(priv->pdev,
700 *((dma_addr_t *)skb->cb),
701 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
702 kfree_skb(skb);
703 }
704
705 pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
706 priv->rx_ring, priv->rx_ring_dma);
707 priv->rx_ring = NULL;
708 }
709
710 static void rtl8192_free_tx_ring(struct r8192_priv *priv, unsigned int prio)
711 {
712 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
713
714 while (skb_queue_len(&ring->queue)) {
715 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
716 struct sk_buff *skb = __skb_dequeue(&ring->queue);
717
718 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
719 skb->len, PCI_DMA_TODEVICE);
720 kfree_skb(skb);
721 ring->idx = (ring->idx + 1) % ring->entries;
722 }
723
724 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
725 ring->desc, ring->dma);
726 ring->desc = NULL;
727 }
728
729 void PHY_SetRtl8192eRfOff(struct r8192_priv *priv)
730 {
731 //disable RF-Chip A/B
732 rtl8192_setBBreg(priv, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
733 //analog to digital off, for power save
734 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter4, 0x300, 0x0);
735 //digital to analog off, for power save
736 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x18, 0x0);
737 //rx antenna off
738 rtl8192_setBBreg(priv, rOFDM0_TRxPathEnable, 0xf, 0x0);
739 //rx antenna off
740 rtl8192_setBBreg(priv, rOFDM1_TRxPathEnable, 0xf, 0x0);
741 //analog to digital part2 off, for power save
742 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x60, 0x0);
743 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x4, 0x0);
744 // Analog parameter!!Change bias and Lbus control.
745 write_nic_byte(priv, ANAPAR_FOR_8192PciE, 0x07);
746 }
747
748 static void rtl8192_halt_adapter(struct r8192_priv *priv, bool reset)
749 {
750 int i;
751 u8 OpMode;
752 u32 ulRegRead;
753
754 OpMode = RT_OP_MODE_NO_LINK;
755 priv->ieee80211->SetHwRegHandler(priv->ieee80211, HW_VAR_MEDIA_STATUS, &OpMode);
756
757 if (!priv->ieee80211->bSupportRemoteWakeUp) {
758 /*
759 * disable tx/rx. In 8185 we write 0x10 (Reset bit),
760 * but here we make reference to WMAC and wirte 0x0
761 */
762 write_nic_byte(priv, CMDR, 0);
763 }
764
765 mdelay(20);
766
767 if (!reset) {
768 mdelay(150);
769
770 priv->bHwRfOffAction = 2;
771
772 /*
773 * Call MgntActSet_RF_State instead to
774 * prevent RF config race condition.
775 */
776 if (!priv->ieee80211->bSupportRemoteWakeUp) {
777 PHY_SetRtl8192eRfOff(priv);
778 ulRegRead = read_nic_dword(priv, CPU_GEN);
779 ulRegRead |= CPU_GEN_SYSTEM_RESET;
780 write_nic_dword(priv,CPU_GEN, ulRegRead);
781 } else {
782 /* for WOL */
783 write_nic_dword(priv, WFCRC0, 0xffffffff);
784 write_nic_dword(priv, WFCRC1, 0xffffffff);
785 write_nic_dword(priv, WFCRC2, 0xffffffff);
786
787 /* Write PMR register */
788 write_nic_byte(priv, PMR, 0x5);
789 /* Disable tx, enanble rx */
790 write_nic_byte(priv, MacBlkCtrl, 0xa);
791 }
792 }
793
794 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
795 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
796 }
797 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
798 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
799 }
800
801 skb_queue_purge(&priv->skb_queue);
802 }
803
804 static void rtl8192_data_hard_stop(struct ieee80211_device *ieee80211)
805 {
806 }
807
808 static void rtl8192_data_hard_resume(struct ieee80211_device *ieee80211)
809 {
810 }
811
812 /*
813 * this function TX data frames when the ieee80211 stack requires this.
814 * It checks also if we need to stop the ieee tx queue, eventually do it
815 */
816 static void rtl8192_hard_data_xmit(struct sk_buff *skb,
817 struct ieee80211_device *ieee80211, int rate)
818 {
819 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
820 int ret;
821 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
822 u8 queue_index = tcb_desc->queue_index;
823
824 /* shall not be referred by command packet */
825 BUG_ON(queue_index == TXCMD_QUEUE);
826
827 if (priv->bHwRadioOff || (!priv->up))
828 {
829 kfree_skb(skb);
830 return;
831 }
832
833 memcpy(skb->cb, &ieee80211->dev, sizeof(ieee80211->dev));
834
835 skb_push(skb, priv->ieee80211->tx_headroom);
836 ret = rtl8192_tx(priv, skb);
837 if (ret != 0) {
838 kfree_skb(skb);
839 }
840
841 if (queue_index != MGNT_QUEUE) {
842 priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom);
843 priv->ieee80211->stats.tx_packets++;
844 }
845 }
846
847 /*
848 * This is a rough attempt to TX a frame
849 * This is called by the ieee 80211 stack to TX management frames.
850 * If the ring is full packet are dropped (for data frame the queue
851 * is stopped before this can happen).
852 */
853 static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct ieee80211_device *ieee80211)
854 {
855 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
856 int ret;
857 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
858 u8 queue_index = tcb_desc->queue_index;
859
860 if (queue_index != TXCMD_QUEUE) {
861 if (priv->bHwRadioOff || (!priv->up))
862 {
863 kfree_skb(skb);
864 return 0;
865 }
866 }
867
868 memcpy(skb->cb, &ieee80211->dev, sizeof(ieee80211->dev));
869 if (queue_index == TXCMD_QUEUE) {
870 rtl819xE_tx_cmd(priv, skb);
871 ret = 0;
872 return ret;
873 } else {
874 tcb_desc->RATRIndex = 7;
875 tcb_desc->bTxDisableRateFallBack = 1;
876 tcb_desc->bTxUseDriverAssingedRate = 1;
877 tcb_desc->bTxEnableFwCalcDur = 1;
878 skb_push(skb, ieee80211->tx_headroom);
879 ret = rtl8192_tx(priv, skb);
880 if (ret != 0) {
881 kfree_skb(skb);
882 }
883 }
884
885 return ret;
886 }
887
888
889 static void rtl8192_tx_isr(struct r8192_priv *priv, int prio)
890 {
891 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
892
893 while (skb_queue_len(&ring->queue)) {
894 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
895 struct sk_buff *skb;
896
897 /*
898 * beacon packet will only use the first descriptor defaultly,
899 * and the OWN may not be cleared by the hardware
900 */
901 if (prio != BEACON_QUEUE) {
902 if (entry->OWN)
903 return;
904 ring->idx = (ring->idx + 1) % ring->entries;
905 }
906
907 skb = __skb_dequeue(&ring->queue);
908 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
909 skb->len, PCI_DMA_TODEVICE);
910
911 kfree_skb(skb);
912 }
913
914 if (prio != BEACON_QUEUE) {
915 /* try to deal with the pending packets */
916 tasklet_schedule(&priv->irq_tx_tasklet);
917 }
918 }
919
920 static void rtl8192_stop_beacon(struct ieee80211_device *ieee80211)
921 {
922 }
923
924 static void rtl8192_config_rate(struct r8192_priv *priv, u16* rate_config)
925 {
926 struct ieee80211_network *net;
927 u8 i=0, basic_rate = 0;
928 net = & priv->ieee80211->current_network;
929
930 for (i=0; i<net->rates_len; i++)
931 {
932 basic_rate = net->rates[i]&0x7f;
933 switch(basic_rate)
934 {
935 case MGN_1M: *rate_config |= RRSR_1M; break;
936 case MGN_2M: *rate_config |= RRSR_2M; break;
937 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
938 case MGN_11M: *rate_config |= RRSR_11M; break;
939 case MGN_6M: *rate_config |= RRSR_6M; break;
940 case MGN_9M: *rate_config |= RRSR_9M; break;
941 case MGN_12M: *rate_config |= RRSR_12M; break;
942 case MGN_18M: *rate_config |= RRSR_18M; break;
943 case MGN_24M: *rate_config |= RRSR_24M; break;
944 case MGN_36M: *rate_config |= RRSR_36M; break;
945 case MGN_48M: *rate_config |= RRSR_48M; break;
946 case MGN_54M: *rate_config |= RRSR_54M; break;
947 }
948 }
949 for (i=0; i<net->rates_ex_len; i++)
950 {
951 basic_rate = net->rates_ex[i]&0x7f;
952 switch(basic_rate)
953 {
954 case MGN_1M: *rate_config |= RRSR_1M; break;
955 case MGN_2M: *rate_config |= RRSR_2M; break;
956 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
957 case MGN_11M: *rate_config |= RRSR_11M; break;
958 case MGN_6M: *rate_config |= RRSR_6M; break;
959 case MGN_9M: *rate_config |= RRSR_9M; break;
960 case MGN_12M: *rate_config |= RRSR_12M; break;
961 case MGN_18M: *rate_config |= RRSR_18M; break;
962 case MGN_24M: *rate_config |= RRSR_24M; break;
963 case MGN_36M: *rate_config |= RRSR_36M; break;
964 case MGN_48M: *rate_config |= RRSR_48M; break;
965 case MGN_54M: *rate_config |= RRSR_54M; break;
966 }
967 }
968 }
969
970
971 #define SHORT_SLOT_TIME 9
972 #define NON_SHORT_SLOT_TIME 20
973
974 static void rtl8192_update_cap(struct r8192_priv *priv, u16 cap)
975 {
976 u32 tmp = 0;
977 struct ieee80211_network *net = &priv->ieee80211->current_network;
978
979 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
980 tmp = priv->basic_rate;
981 if (priv->short_preamble)
982 tmp |= BRSR_AckShortPmb;
983 write_nic_dword(priv, RRSR, tmp);
984
985 if (net->mode & (IEEE_G|IEEE_N_24G))
986 {
987 u8 slot_time = 0;
988 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
989 {//short slot time
990 slot_time = SHORT_SLOT_TIME;
991 }
992 else //long slot time
993 slot_time = NON_SHORT_SLOT_TIME;
994 priv->slot_time = slot_time;
995 write_nic_byte(priv, SLOT_TIME, slot_time);
996 }
997
998 }
999
1000 static void rtl8192_net_update(struct r8192_priv *priv)
1001 {
1002 struct ieee80211_network *net;
1003 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1004 u16 rate_config = 0;
1005 net = &priv->ieee80211->current_network;
1006
1007 /* update Basic rate: RR, BRSR */
1008 rtl8192_config_rate(priv, &rate_config);
1009
1010 /*
1011 * Select RRSR (in Legacy-OFDM and CCK)
1012 * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1013 * 2M, and 1M from the Basic rate.
1014 * We do not use other rates.
1015 */
1016 priv->basic_rate = rate_config &= 0x15f;
1017
1018 /* BSSID */
1019 write_nic_dword(priv, BSSIDR, ((u32 *)net->bssid)[0]);
1020 write_nic_word(priv, BSSIDR+4, ((u16 *)net->bssid)[2]);
1021
1022 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1023 {
1024 write_nic_word(priv, ATIMWND, 2);
1025 write_nic_word(priv, BCN_DMATIME, 256);
1026 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
1027 /*
1028 * BIT15 of BCN_DRV_EARLY_INT will indicate
1029 * whether software beacon or hw beacon is applied.
1030 */
1031 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
1032 write_nic_byte(priv, BCN_ERR_THRESH, 100);
1033
1034 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1035 /* TODO: BcnIFS may required to be changed on ASIC */
1036 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1037 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
1038 }
1039 }
1040
1041 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb)
1042 {
1043 struct rtl8192_tx_ring *ring;
1044 tx_desc_819x_pci *entry;
1045 unsigned int idx;
1046 dma_addr_t mapping;
1047 cb_desc *tcb_desc;
1048 unsigned long flags;
1049
1050 ring = &priv->tx_ring[TXCMD_QUEUE];
1051 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1052
1053 spin_lock_irqsave(&priv->irq_th_lock,flags);
1054 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1055 entry = &ring->desc[idx];
1056
1057 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1058 memset(entry,0,12);
1059 entry->LINIP = tcb_desc->bLastIniPkt;
1060 entry->FirstSeg = 1;//first segment
1061 entry->LastSeg = 1; //last segment
1062 if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1063 entry->CmdInit = DESC_PACKET_TYPE_INIT;
1064 } else {
1065 entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1066 entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1067 entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1068 entry->QueueSelect = QSLT_CMD;
1069 entry->TxFWInfoSize = 0x08;
1070 entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1071 }
1072 entry->TxBufferSize = skb->len;
1073 entry->TxBuffAddr = cpu_to_le32(mapping);
1074 entry->OWN = 1;
1075
1076 __skb_queue_tail(&ring->queue, skb);
1077 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1078
1079 write_nic_byte(priv, TPPoll, TPPoll_CQ);
1080
1081 return;
1082 }
1083
1084 /*
1085 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1086 * in TxFwInfo data structure
1087 */
1088 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1089 {
1090 u8 QueueSelect = 0;
1091
1092 switch (QueueID) {
1093 case BE_QUEUE:
1094 QueueSelect = QSLT_BE;
1095 break;
1096
1097 case BK_QUEUE:
1098 QueueSelect = QSLT_BK;
1099 break;
1100
1101 case VO_QUEUE:
1102 QueueSelect = QSLT_VO;
1103 break;
1104
1105 case VI_QUEUE:
1106 QueueSelect = QSLT_VI;
1107 break;
1108
1109 case MGNT_QUEUE:
1110 QueueSelect = QSLT_MGNT;
1111 break;
1112
1113 case BEACON_QUEUE:
1114 QueueSelect = QSLT_BEACON;
1115 break;
1116
1117 case TXCMD_QUEUE:
1118 QueueSelect = QSLT_CMD;
1119 break;
1120
1121 case HIGH_QUEUE:
1122 default:
1123 RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID);
1124 break;
1125 }
1126 return QueueSelect;
1127 }
1128
1129 static u8 MRateToHwRate8190Pci(u8 rate)
1130 {
1131 u8 ret = DESC90_RATE1M;
1132
1133 switch(rate) {
1134 case MGN_1M: ret = DESC90_RATE1M; break;
1135 case MGN_2M: ret = DESC90_RATE2M; break;
1136 case MGN_5_5M: ret = DESC90_RATE5_5M; break;
1137 case MGN_11M: ret = DESC90_RATE11M; break;
1138 case MGN_6M: ret = DESC90_RATE6M; break;
1139 case MGN_9M: ret = DESC90_RATE9M; break;
1140 case MGN_12M: ret = DESC90_RATE12M; break;
1141 case MGN_18M: ret = DESC90_RATE18M; break;
1142 case MGN_24M: ret = DESC90_RATE24M; break;
1143 case MGN_36M: ret = DESC90_RATE36M; break;
1144 case MGN_48M: ret = DESC90_RATE48M; break;
1145 case MGN_54M: ret = DESC90_RATE54M; break;
1146
1147 // HT rate since here
1148 case MGN_MCS0: ret = DESC90_RATEMCS0; break;
1149 case MGN_MCS1: ret = DESC90_RATEMCS1; break;
1150 case MGN_MCS2: ret = DESC90_RATEMCS2; break;
1151 case MGN_MCS3: ret = DESC90_RATEMCS3; break;
1152 case MGN_MCS4: ret = DESC90_RATEMCS4; break;
1153 case MGN_MCS5: ret = DESC90_RATEMCS5; break;
1154 case MGN_MCS6: ret = DESC90_RATEMCS6; break;
1155 case MGN_MCS7: ret = DESC90_RATEMCS7; break;
1156 case MGN_MCS8: ret = DESC90_RATEMCS8; break;
1157 case MGN_MCS9: ret = DESC90_RATEMCS9; break;
1158 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1159 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1160 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1161 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1162 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1163 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1164 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1165
1166 default: break;
1167 }
1168 return ret;
1169 }
1170
1171
1172 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1173 {
1174 u8 tmp_Short;
1175
1176 tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1177
1178 if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1179 tmp_Short = 0;
1180
1181 return tmp_Short;
1182 }
1183
1184 /*
1185 * The tx procedure is just as following,
1186 * skb->cb will contain all the following information,
1187 * priority, morefrag, rate, &dev.
1188 */
1189 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb)
1190 {
1191 struct rtl8192_tx_ring *ring;
1192 unsigned long flags;
1193 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1194 tx_desc_819x_pci *pdesc = NULL;
1195 TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1196 dma_addr_t mapping;
1197 bool multi_addr = false, broad_addr = false, uni_addr = false;
1198 u8 *pda_addr = NULL;
1199 int idx;
1200
1201 if (priv->bdisable_nic) {
1202 RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1203 skb->len, tcb_desc->queue_index);
1204 return skb->len;
1205 }
1206
1207 #ifdef ENABLE_LPS
1208 priv->ieee80211->bAwakePktSent = true;
1209 #endif
1210
1211 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1212
1213 /* collect the tx packets statitcs */
1214 pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
1215 if (is_multicast_ether_addr(pda_addr))
1216 multi_addr = true;
1217 else if (is_broadcast_ether_addr(pda_addr))
1218 broad_addr = true;
1219 else
1220 uni_addr = true;
1221
1222 if (uni_addr)
1223 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1224
1225 /* fill tx firmware */
1226 pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1227 memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
1228 pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1229 pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1230 pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1231 pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1232
1233 /* Aggregation related */
1234 if (tcb_desc->bAMPDUEnable) {
1235 pTxFwInfo->AllowAggregation = 1;
1236 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1237 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1238 } else {
1239 pTxFwInfo->AllowAggregation = 0;
1240 pTxFwInfo->RxMF = 0;
1241 pTxFwInfo->RxAMD = 0;
1242 }
1243
1244 /* Protection mode related */
1245 pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1246 pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1247 pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1248 pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1249 pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1250 pTxFwInfo->RtsBandwidth = 0;
1251 pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1252 pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);
1253
1254 /* Set Bandwidth and sub-channel settings. */
1255 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1256 if (tcb_desc->bPacketBW) {
1257 pTxFwInfo->TxBandwidth = 1;
1258 /* use duplicated mode */
1259 pTxFwInfo->TxSubCarrier = 0;
1260 } else {
1261 pTxFwInfo->TxBandwidth = 0;
1262 pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1263 }
1264 } else {
1265 pTxFwInfo->TxBandwidth = 0;
1266 pTxFwInfo->TxSubCarrier = 0;
1267 }
1268
1269 spin_lock_irqsave(&priv->irq_th_lock, flags);
1270 ring = &priv->tx_ring[tcb_desc->queue_index];
1271 if (tcb_desc->queue_index != BEACON_QUEUE)
1272 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1273 else
1274 idx = 0;
1275
1276 pdesc = &ring->desc[idx];
1277 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1278 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x\n",
1279 tcb_desc->queue_index, ring->idx, idx, skb->len);
1280 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1281 return skb->len;
1282 }
1283
1284 /* fill tx descriptor */
1285 memset(pdesc, 0, 12);
1286
1287 /*DWORD 0*/
1288 pdesc->LINIP = 0;
1289 pdesc->CmdInit = 1;
1290 pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
1291 pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1292
1293 /*DWORD 1*/
1294 pdesc->SecCAMID = 0;
1295 pdesc->RATid = tcb_desc->RATRIndex;
1296
1297 pdesc->NoEnc = 1;
1298 pdesc->SecType = 0x0;
1299 if (tcb_desc->bHwSec) {
1300 switch (priv->ieee80211->pairwise_key_type) {
1301 case KEY_TYPE_WEP40:
1302 case KEY_TYPE_WEP104:
1303 pdesc->SecType = 0x1;
1304 pdesc->NoEnc = 0;
1305 break;
1306 case KEY_TYPE_TKIP:
1307 pdesc->SecType = 0x2;
1308 pdesc->NoEnc = 0;
1309 break;
1310 case KEY_TYPE_CCMP:
1311 pdesc->SecType = 0x3;
1312 pdesc->NoEnc = 0;
1313 break;
1314 case KEY_TYPE_NA:
1315 pdesc->SecType = 0x0;
1316 pdesc->NoEnc = 1;
1317 break;
1318 }
1319 }
1320
1321 /* Set Packet ID */
1322 pdesc->PktId = 0x0;
1323
1324 pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1325 pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1326
1327 pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1328 pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1329
1330 pdesc->FirstSeg = 1;
1331 pdesc->LastSeg = 1;
1332 pdesc->TxBufferSize = skb->len;
1333
1334 pdesc->TxBuffAddr = cpu_to_le32(mapping);
1335 __skb_queue_tail(&ring->queue, skb);
1336 pdesc->OWN = 1;
1337 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1338 priv->ieee80211->dev->trans_start = jiffies;
1339 write_nic_word(priv, TPPoll, 0x01<<tcb_desc->queue_index);
1340 return 0;
1341 }
1342
1343 static short rtl8192_alloc_rx_desc_ring(struct r8192_priv *priv)
1344 {
1345 rx_desc_819x_pci *entry = NULL;
1346 int i;
1347
1348 priv->rx_ring = pci_alloc_consistent(priv->pdev,
1349 sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1350
1351 if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1352 RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1353 return -ENOMEM;
1354 }
1355
1356 memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1357 priv->rx_idx = 0;
1358
1359 for (i = 0; i < priv->rxringcount; i++) {
1360 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1361 dma_addr_t *mapping;
1362 entry = &priv->rx_ring[i];
1363 if (!skb)
1364 return 0;
1365 priv->rx_buf[i] = skb;
1366 mapping = (dma_addr_t *)skb->cb;
1367 *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
1368 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1369
1370 entry->BufferAddress = cpu_to_le32(*mapping);
1371
1372 entry->Length = priv->rxbuffersize;
1373 entry->OWN = 1;
1374 }
1375
1376 entry->EOR = 1;
1377 return 0;
1378 }
1379
1380 static int rtl8192_alloc_tx_desc_ring(struct r8192_priv *priv,
1381 unsigned int prio, unsigned int entries)
1382 {
1383 tx_desc_819x_pci *ring;
1384 dma_addr_t dma;
1385 int i;
1386
1387 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1388 if (!ring || (unsigned long)ring & 0xFF) {
1389 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1390 return -ENOMEM;
1391 }
1392
1393 memset(ring, 0, sizeof(*ring)*entries);
1394 priv->tx_ring[prio].desc = ring;
1395 priv->tx_ring[prio].dma = dma;
1396 priv->tx_ring[prio].idx = 0;
1397 priv->tx_ring[prio].entries = entries;
1398 skb_queue_head_init(&priv->tx_ring[prio].queue);
1399
1400 for (i = 0; i < entries; i++)
1401 ring[i].NextDescAddress =
1402 cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1403
1404 return 0;
1405 }
1406
1407 static short rtl8192_pci_initdescring(struct r8192_priv *priv)
1408 {
1409 u32 ret;
1410 int i;
1411
1412 ret = rtl8192_alloc_rx_desc_ring(priv);
1413 if (ret)
1414 return ret;
1415
1416 /* general process for other queue */
1417 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1418 ret = rtl8192_alloc_tx_desc_ring(priv, i, priv->txringcount);
1419 if (ret)
1420 goto err_free_rings;
1421 }
1422
1423 return 0;
1424
1425 err_free_rings:
1426 rtl8192_free_rx_ring(priv);
1427 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1428 if (priv->tx_ring[i].desc)
1429 rtl8192_free_tx_ring(priv, i);
1430 return 1;
1431 }
1432
1433 static void rtl8192_pci_resetdescring(struct r8192_priv *priv)
1434 {
1435 int i;
1436
1437 /* force the rx_idx to the first one */
1438 if(priv->rx_ring) {
1439 rx_desc_819x_pci *entry = NULL;
1440 for (i = 0; i < priv->rxringcount; i++) {
1441 entry = &priv->rx_ring[i];
1442 entry->OWN = 1;
1443 }
1444 priv->rx_idx = 0;
1445 }
1446
1447 /* after reset, release previous pending packet, and force the
1448 * tx idx to the first one */
1449 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1450 if (priv->tx_ring[i].desc) {
1451 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1452
1453 while (skb_queue_len(&ring->queue)) {
1454 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1455 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1456
1457 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1458 skb->len, PCI_DMA_TODEVICE);
1459 kfree_skb(skb);
1460 ring->idx = (ring->idx + 1) % ring->entries;
1461 }
1462 ring->idx = 0;
1463 }
1464 }
1465 }
1466
1467 static void rtl8192_link_change(struct ieee80211_device *ieee)
1468 {
1469 struct r8192_priv *priv = ieee80211_priv(ieee->dev);
1470
1471 if (ieee->state == IEEE80211_LINKED)
1472 {
1473 rtl8192_net_update(priv);
1474 rtl8192_update_ratr_table(priv);
1475
1476 //add this as in pure N mode, wep encryption will use software way, but there is no chance to set this as wep will not set group key in wext. WB.2008.07.08
1477 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1478 EnableHWSecurityConfig8192(priv);
1479 }
1480 else
1481 {
1482 write_nic_byte(priv, 0x173, 0);
1483 }
1484
1485 rtl8192_update_msr(priv);
1486
1487 // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1488 // // To set CBSSID bit when link with any AP or STA.
1489 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1490 {
1491 u32 reg = 0;
1492 reg = read_nic_dword(priv, RCR);
1493 if (priv->ieee80211->state == IEEE80211_LINKED)
1494 priv->ReceiveConfig = reg |= RCR_CBSSID;
1495 else
1496 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1497 write_nic_dword(priv, RCR, reg);
1498 }
1499 }
1500
1501
1502 static const struct ieee80211_qos_parameters def_qos_parameters = {
1503 {3,3,3,3},/* cw_min */
1504 {7,7,7,7},/* cw_max */
1505 {2,2,2,2},/* aifs */
1506 {0,0,0,0},/* flags */
1507 {0,0,0,0} /* tx_op_limit */
1508 };
1509
1510 static void rtl8192_update_beacon(struct work_struct * work)
1511 {
1512 struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1513 struct ieee80211_device* ieee = priv->ieee80211;
1514 struct ieee80211_network* net = &ieee->current_network;
1515
1516 if (ieee->pHTInfo->bCurrentHTSupport)
1517 HTUpdateSelfAndPeerSetting(ieee, net);
1518 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1519 rtl8192_update_cap(priv, net->capability);
1520 }
1521
1522 /*
1523 * background support to run QoS activate functionality
1524 */
1525 static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1526 static void rtl8192_qos_activate(struct work_struct * work)
1527 {
1528 struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1529 struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1530 u8 mode = priv->ieee80211->current_network.mode;
1531 u8 u1bAIFS;
1532 u32 u4bAcParam;
1533 int i;
1534
1535 mutex_lock(&priv->mutex);
1536 if(priv->ieee80211->state != IEEE80211_LINKED)
1537 goto success;
1538 RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
1539 /* It better set slot time at first */
1540 /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1541 /* update the ac parameter to related registers */
1542 for(i = 0; i < QOS_QUEUE_NUM; i++) {
1543 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1544 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
1545 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
1546 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
1547 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
1548 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
1549 write_nic_dword(priv, WDCAPARA_ADD[i], u4bAcParam);
1550 }
1551
1552 success:
1553 mutex_unlock(&priv->mutex);
1554 }
1555
1556 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1557 int active_network,
1558 struct ieee80211_network *network)
1559 {
1560 int ret = 0;
1561 u32 size = sizeof(struct ieee80211_qos_parameters);
1562
1563 if(priv->ieee80211->state !=IEEE80211_LINKED)
1564 return ret;
1565
1566 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1567 return ret;
1568
1569 if (network->flags & NETWORK_HAS_QOS_MASK) {
1570 if (active_network &&
1571 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1572 network->qos_data.active = network->qos_data.supported;
1573
1574 if ((network->qos_data.active == 1) && (active_network == 1) &&
1575 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1576 (network->qos_data.old_param_count !=
1577 network->qos_data.param_count)) {
1578 network->qos_data.old_param_count =
1579 network->qos_data.param_count;
1580 queue_work(priv->priv_wq, &priv->qos_activate);
1581 RT_TRACE (COMP_QOS, "QoS parameters change call "
1582 "qos_activate\n");
1583 }
1584 } else {
1585 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1586 &def_qos_parameters, size);
1587
1588 if ((network->qos_data.active == 1) && (active_network == 1)) {
1589 queue_work(priv->priv_wq, &priv->qos_activate);
1590 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate\n");
1591 }
1592 network->qos_data.active = 0;
1593 network->qos_data.supported = 0;
1594 }
1595
1596 return 0;
1597 }
1598
1599 /* handle manage frame frame beacon and probe response */
1600 static int rtl8192_handle_beacon(struct ieee80211_device *ieee,
1601 struct ieee80211_beacon * beacon,
1602 struct ieee80211_network * network)
1603 {
1604 struct r8192_priv *priv = ieee80211_priv(ieee->dev);
1605
1606 rtl8192_qos_handle_probe_response(priv,1,network);
1607
1608 queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1609 return 0;
1610
1611 }
1612
1613 /*
1614 * handling the beaconing responses. if we get different QoS setting
1615 * off the network from the associated setting, adjust the QoS setting
1616 */
1617 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1618 struct ieee80211_network *network)
1619 {
1620 int ret = 0;
1621 unsigned long flags;
1622 u32 size = sizeof(struct ieee80211_qos_parameters);
1623 int set_qos_param = 0;
1624
1625 if ((priv == NULL) || (network == NULL))
1626 return ret;
1627
1628 if (priv->ieee80211->state != IEEE80211_LINKED)
1629 return ret;
1630
1631 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1632 return ret;
1633
1634 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1635 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1636 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1637 &network->qos_data.parameters,
1638 sizeof(struct ieee80211_qos_parameters));
1639 priv->ieee80211->current_network.qos_data.active = 1;
1640 set_qos_param = 1;
1641 /* update qos parameter for current network */
1642 priv->ieee80211->current_network.qos_data.old_param_count =
1643 priv->ieee80211->current_network.qos_data.param_count;
1644 priv->ieee80211->current_network.qos_data.param_count =
1645 network->qos_data.param_count;
1646
1647 } else {
1648 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1649 &def_qos_parameters, size);
1650 priv->ieee80211->current_network.qos_data.active = 0;
1651 priv->ieee80211->current_network.qos_data.supported = 0;
1652 set_qos_param = 1;
1653 }
1654
1655 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1656
1657 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__,
1658 network->flags, priv->ieee80211->current_network.qos_data.active);
1659 if (set_qos_param == 1)
1660 queue_work(priv->priv_wq, &priv->qos_activate);
1661
1662 return ret;
1663 }
1664
1665
1666 static int rtl8192_handle_assoc_response(struct ieee80211_device *ieee,
1667 struct ieee80211_assoc_response_frame *resp,
1668 struct ieee80211_network *network)
1669 {
1670 struct r8192_priv *priv = ieee80211_priv(ieee->dev);
1671 rtl8192_qos_association_resp(priv, network);
1672 return 0;
1673 }
1674
1675
1676 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1677 static void rtl8192_update_ratr_table(struct r8192_priv* priv)
1678 {
1679 struct ieee80211_device* ieee = priv->ieee80211;
1680 u8* pMcsRate = ieee->dot11HTOperationalRateSet;
1681 u32 ratr_value = 0;
1682 u8 rate_index = 0;
1683
1684 rtl8192_config_rate(priv, (u16*)(&ratr_value));
1685 ratr_value |= (*(u16*)(pMcsRate)) << 12;
1686
1687 switch (ieee->mode)
1688 {
1689 case IEEE_A:
1690 ratr_value &= 0x00000FF0;
1691 break;
1692 case IEEE_B:
1693 ratr_value &= 0x0000000F;
1694 break;
1695 case IEEE_G:
1696 ratr_value &= 0x00000FF7;
1697 break;
1698 case IEEE_N_24G:
1699 case IEEE_N_5G:
1700 if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
1701 ratr_value &= 0x0007F007;
1702 else{
1703 if (priv->rf_type == RF_1T2R)
1704 ratr_value &= 0x000FF007;
1705 else
1706 ratr_value &= 0x0F81F007;
1707 }
1708 break;
1709 default:
1710 break;
1711 }
1712 ratr_value &= 0x0FFFFFFF;
1713 if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
1714 ratr_value |= 0x80000000;
1715 }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
1716 ratr_value |= 0x80000000;
1717 }
1718 write_nic_dword(priv, RATR0+rate_index*4, ratr_value);
1719 write_nic_byte(priv, UFWP, 1);
1720 }
1721
1722 static bool GetNmodeSupportBySecCfg8190Pci(struct ieee80211_device *ieee)
1723 {
1724 return !(ieee->rtllib_ap_sec_type &&
1725 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP)));
1726 }
1727
1728 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
1729 {
1730 struct ieee80211_device* ieee = priv->ieee80211;
1731 //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1732 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
1733 {
1734 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
1735 }
1736 else
1737 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
1738 }
1739
1740 static u8 rtl8192_getSupportedWireleeMode(void)
1741 {
1742 return (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
1743 }
1744
1745 static void rtl8192_SetWirelessMode(struct ieee80211_device *ieee, u8 wireless_mode)
1746 {
1747 struct r8192_priv *priv = ieee80211_priv(ieee->dev);
1748 u8 bSupportMode = rtl8192_getSupportedWireleeMode();
1749
1750 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
1751 {
1752 if(bSupportMode & WIRELESS_MODE_N_24G)
1753 {
1754 wireless_mode = WIRELESS_MODE_N_24G;
1755 }
1756 else if(bSupportMode & WIRELESS_MODE_N_5G)
1757 {
1758 wireless_mode = WIRELESS_MODE_N_5G;
1759 }
1760 else if((bSupportMode & WIRELESS_MODE_A))
1761 {
1762 wireless_mode = WIRELESS_MODE_A;
1763 }
1764 else if((bSupportMode & WIRELESS_MODE_G))
1765 {
1766 wireless_mode = WIRELESS_MODE_G;
1767 }
1768 else if((bSupportMode & WIRELESS_MODE_B))
1769 {
1770 wireless_mode = WIRELESS_MODE_B;
1771 }
1772 else{
1773 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
1774 wireless_mode = WIRELESS_MODE_B;
1775 }
1776 }
1777 priv->ieee80211->mode = wireless_mode;
1778
1779 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
1780 priv->ieee80211->pHTInfo->bEnableHT = 1;
1781 else
1782 priv->ieee80211->pHTInfo->bEnableHT = 0;
1783 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1784 rtl8192_refresh_supportrate(priv);
1785 }
1786
1787 static bool GetHalfNmodeSupportByAPs819xPci(struct ieee80211_device* ieee)
1788 {
1789 return ieee->bHalfWirelessN24GMode;
1790 }
1791
1792 static short rtl8192_is_tx_queue_empty(struct ieee80211_device *ieee)
1793 {
1794 int i=0;
1795 struct r8192_priv *priv = ieee80211_priv(ieee->dev);
1796
1797 for (i=0; i<=MGNT_QUEUE; i++)
1798 {
1799 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1800 continue;
1801 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1802 printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1803 return 0;
1804 }
1805 }
1806 return 1;
1807 }
1808
1809 static void rtl8192_hw_sleep_down(struct r8192_priv *priv)
1810 {
1811 MgntActSet_RF_State(priv, eRfSleep, RF_CHANGE_BY_PS);
1812 }
1813
1814 static void rtl8192_hw_wakeup(struct ieee80211_device *ieee)
1815 {
1816 struct r8192_priv *priv = ieee80211_priv(ieee->dev);
1817 MgntActSet_RF_State(priv, eRfOn, RF_CHANGE_BY_PS);
1818 }
1819
1820 static void rtl8192_hw_wakeup_wq (struct work_struct *work)
1821 {
1822 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
1823 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
1824
1825 rtl8192_hw_wakeup(ieee);
1826 }
1827
1828 #define MIN_SLEEP_TIME 50
1829 #define MAX_SLEEP_TIME 10000
1830 static void rtl8192_hw_to_sleep(struct ieee80211_device *ieee, u32 th, u32 tl)
1831 {
1832 struct r8192_priv *priv = ieee80211_priv(ieee->dev);
1833 u32 tmp;
1834 u32 rb = jiffies;
1835
1836 // Writing HW register with 0 equals to disable
1837 // the timer, that is not really what we want
1838 //
1839 tl -= MSECS(8+16+7);
1840
1841 // If the interval in witch we are requested to sleep is too
1842 // short then give up and remain awake
1843 // when we sleep after send null frame, the timer will be too short to sleep.
1844 //
1845 if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
1846 ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
1847 printk("too short to sleep::%x, %x, %lx\n",tl, rb, MSECS(MIN_SLEEP_TIME));
1848 return;
1849 }
1850
1851 if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
1852 ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
1853 ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
1854 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME));
1855 return;
1856 }
1857
1858 tmp = (tl>rb)?(tl-rb):(rb-tl);
1859 queue_delayed_work(priv->ieee80211->wq,
1860 &priv->ieee80211->hw_wakeup_wq,tmp);
1861
1862 rtl8192_hw_sleep_down(priv);
1863 }
1864
1865 static void rtl8192_init_priv_variable(struct r8192_priv *priv)
1866 {
1867 u8 i;
1868 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
1869
1870 // Default Halt the NIC if RF is OFF.
1871 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
1872 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
1873 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
1874 pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
1875 pPSC->bLeisurePs = true;
1876 priv->ieee80211->RegMaxLPSAwakeIntvl = 5;
1877 priv->bHwRadioOff = false;
1878
1879 priv->being_init_adapter = false;
1880 priv->txringcount = 64;//32;
1881 priv->rxbuffersize = 9100;//2048;//1024;
1882 priv->rxringcount = MAX_RX_COUNT;//64;
1883 priv->chan = 1; //set to channel 1
1884 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1885 priv->RegChannelPlan = 0xf;
1886 priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
1887 priv->ieee80211->iw_mode = IW_MODE_INFRA;
1888 priv->ieee80211->ieee_up=0;
1889 priv->retry_rts = DEFAULT_RETRY_RTS;
1890 priv->retry_data = DEFAULT_RETRY_DATA;
1891 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
1892 priv->ieee80211->rate = 110; //11 mbps
1893 priv->ieee80211->short_slot = 1;
1894 priv->promisc = (priv->ieee80211->dev->flags & IFF_PROMISC) ? 1:0;
1895 priv->bcck_in_ch14 = false;
1896 priv->CCKPresentAttentuation = 0;
1897 priv->rfa_txpowertrackingindex = 0;
1898 priv->rfc_txpowertrackingindex = 0;
1899 priv->CckPwEnl = 6;
1900 //added by amy for silent reset
1901 priv->ResetProgress = RESET_TYPE_NORESET;
1902 priv->bForcedSilentReset = 0;
1903 priv->bDisableNormalResetCheck = false;
1904 priv->force_reset = false;
1905 //added by amy for power save
1906 priv->RfOffReason = 0;
1907 priv->bHwRfOffAction = 0;
1908 priv->PowerSaveControl.bInactivePs = true;
1909 priv->PowerSaveControl.bIPSModeBackup = false;
1910
1911 priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1912 priv->ieee80211->iw_mode = IW_MODE_INFRA;
1913 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
1914 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
1915 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
1916 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE;
1917
1918 priv->ieee80211->active_scan = 1;
1919 priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
1920 priv->ieee80211->host_encrypt = 1;
1921 priv->ieee80211->host_decrypt = 1;
1922 priv->ieee80211->start_send_beacons = rtl8192_start_beacon;
1923 priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;
1924 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1925 priv->ieee80211->set_chan = rtl8192_set_chan;
1926 priv->ieee80211->link_change = rtl8192_link_change;
1927 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1928 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
1929 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
1930 priv->ieee80211->init_wmmparam_flag = 0;
1931 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
1932 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
1933 priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
1934 priv->ieee80211->qos_support = 1;
1935 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
1936 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
1937 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
1938
1939 priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
1940 priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
1941 priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1942 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
1943 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
1944 priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
1945
1946 priv->ieee80211->InitialGainHandler = InitialGain819xPci;
1947
1948 #ifdef ENABLE_IPS
1949 priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
1950 priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
1951 #endif
1952 #ifdef ENABLE_LPS
1953 priv->ieee80211->LeisurePSLeave = LeisurePSLeave;
1954 #endif
1955
1956 priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
1957 priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
1958
1959 priv->ShortRetryLimit = 0x30;
1960 priv->LongRetryLimit = 0x30;
1961
1962 priv->ReceiveConfig = RCR_ADD3 |
1963 RCR_AMF | RCR_ADF | //accept management/data
1964 RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
1965 RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
1966 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
1967 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
1968
1969 priv->pFirmware = vzalloc(sizeof(rt_firmware));
1970
1971 /* rx related queue */
1972 skb_queue_head_init(&priv->skb_queue);
1973
1974 /* Tx related queue */
1975 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1976 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
1977 }
1978 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1979 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
1980 }
1981 priv->rf_set_chan = rtl8192_phy_SwChnl;
1982 }
1983
1984 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
1985 {
1986 spin_lock_init(&priv->irq_th_lock);
1987 spin_lock_init(&priv->rf_ps_lock);
1988 sema_init(&priv->wx_sem,1);
1989 sema_init(&priv->rf_sem,1);
1990 mutex_init(&priv->mutex);
1991 }
1992
1993 /* init tasklet and wait_queue here */
1994 #define DRV_NAME "wlan0"
1995 static void rtl8192_init_priv_task(struct r8192_priv *priv)
1996 {
1997 priv->priv_wq = create_workqueue(DRV_NAME);
1998
1999 #ifdef ENABLE_IPS
2000 INIT_WORK(&priv->ieee80211->ips_leave_wq, IPSLeave_wq);
2001 #endif
2002
2003 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2004 INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2005 INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
2006 INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
2007 INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2008 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2009 INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, rtl8192_hw_wakeup_wq);
2010
2011 tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet,
2012 (unsigned long) priv);
2013 tasklet_init(&priv->irq_tx_tasklet, rtl8192_irq_tx_tasklet,
2014 (unsigned long) priv);
2015 tasklet_init(&priv->irq_prepare_beacon_tasklet, rtl8192_prepare_beacon,
2016 (unsigned long) priv);
2017 }
2018
2019 static void rtl8192_get_eeprom_size(struct r8192_priv *priv)
2020 {
2021 u16 curCR = 0;
2022 RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2023 curCR = read_nic_dword(priv, EPROM_CMD);
2024 RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2025 //whether need I consider BIT5?
2026 priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2027 RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2028 }
2029
2030 /*
2031 * Adapter->EEPROMAddressSize should be set before this function call.
2032 * EEPROM address size can be got through GetEEPROMSize8185()
2033 */
2034 static void rtl8192_read_eeprom_info(struct r8192_priv *priv)
2035 {
2036 struct net_device *dev = priv->ieee80211->dev;
2037 u8 tempval;
2038 u8 ICVer8192, ICVer8256;
2039 u16 i,usValue, IC_Version;
2040 u16 EEPROMId;
2041 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2042 RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2043
2044
2045 // TODO: I don't know if we need to apply EF function to EEPROM read function
2046
2047 //2 Read EEPROM ID to make sure autoload is success
2048 EEPROMId = eprom_read(priv, 0);
2049 if( EEPROMId != RTL8190_EEPROM_ID )
2050 {
2051 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2052 priv->AutoloadFailFlag=true;
2053 }
2054 else
2055 {
2056 priv->AutoloadFailFlag=false;
2057 }
2058
2059 //
2060 // Assign Chip Version ID
2061 //
2062 // Read IC Version && Channel Plan
2063 if(!priv->AutoloadFailFlag)
2064 {
2065 // VID, PID
2066 priv->eeprom_vid = eprom_read(priv, (EEPROM_VID >> 1));
2067 priv->eeprom_did = eprom_read(priv, (EEPROM_DID >> 1));
2068
2069 usValue = eprom_read(priv, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2070 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2071 usValue = eprom_read(priv, (EEPROM_ICVersion_ChannelPlan>>1));
2072 priv->eeprom_ChannelPlan = usValue&0xff;
2073 IC_Version = ((usValue&0xff00)>>8);
2074
2075 ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2076 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2077 RT_TRACE(COMP_INIT, "ICVer8192 = 0x%x\n", ICVer8192);
2078 RT_TRACE(COMP_INIT, "ICVer8256 = 0x%x\n", ICVer8256);
2079 if(ICVer8192 == 0x2) //B-cut
2080 {
2081 if(ICVer8256 == 0x5) //E-cut
2082 priv->card_8192_version= VERSION_8190_BE;
2083 }
2084
2085 switch(priv->card_8192_version)
2086 {
2087 case VERSION_8190_BD:
2088 case VERSION_8190_BE:
2089 break;
2090 default:
2091 priv->card_8192_version = VERSION_8190_BD;
2092 break;
2093 }
2094 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2095 }
2096 else
2097 {
2098 priv->card_8192_version = VERSION_8190_BD;
2099 priv->eeprom_vid = 0;
2100 priv->eeprom_did = 0;
2101 priv->eeprom_CustomerID = 0;
2102 priv->eeprom_ChannelPlan = 0;
2103 RT_TRACE(COMP_INIT, "IC Version = 0x%x\n", 0xff);
2104 }
2105
2106 RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2107 RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2108 RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2109
2110 //2 Read Permanent MAC address
2111 if(!priv->AutoloadFailFlag)
2112 {
2113 for(i = 0; i < 6; i += 2)
2114 {
2115 usValue = eprom_read(priv, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2116 *(u16*)(&dev->dev_addr[i]) = usValue;
2117 }
2118 } else {
2119 // when auto load failed, the last address byte set to be a random one.
2120 // added by david woo.2007/11/7
2121 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2122 }
2123
2124 RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
2125
2126 //2 TX Power Check EEPROM Fail or not
2127 if(priv->card_8192_version > VERSION_8190_BD) {
2128 priv->bTXPowerDataReadFromEEPORM = true;
2129 } else {
2130 priv->bTXPowerDataReadFromEEPORM = false;
2131 }
2132
2133 // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2134 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2135
2136 if(priv->card_8192_version > VERSION_8190_BD)
2137 {
2138 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2139 if(!priv->AutoloadFailFlag)
2140 {
2141 tempval = (eprom_read(priv, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2142 priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0]
2143
2144 if (tempval&0x80) //RF-indication, bit[7]
2145 priv->rf_type = RF_1T2R;
2146 else
2147 priv->rf_type = RF_2T4R;
2148 }
2149 else
2150 {
2151 priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2152 }
2153 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2154 priv->EEPROMLegacyHTTxPowerDiff);
2155
2156 // Read ThermalMeter from EEPROM
2157 if(!priv->AutoloadFailFlag)
2158 {
2159 priv->EEPROMThermalMeter = (u8)(((eprom_read(priv, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2160 }
2161 else
2162 {
2163 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2164 }
2165 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2166 //vivi, for tx power track
2167 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2168
2169 if(priv->epromtype == EPROM_93c46)
2170 {
2171 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2172 if(!priv->AutoloadFailFlag)
2173 {
2174 usValue = eprom_read(priv, (EEPROM_TxPwDiff_CrystalCap>>1));
2175 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2176 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2177 }
2178 else
2179 {
2180 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2181 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2182 }
2183 RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2184 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2185
2186 //
2187 // Get per-channel Tx Power Level
2188 //
2189 for(i=0; i<14; i+=2)
2190 {
2191 if(!priv->AutoloadFailFlag)
2192 {
2193 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2194 }
2195 else
2196 {
2197 usValue = EEPROM_Default_TxPower;
2198 }
2199 *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2200 RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2201 RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2202 }
2203 for(i=0; i<14; i+=2)
2204 {
2205 if(!priv->AutoloadFailFlag)
2206 {
2207 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2208 }
2209 else
2210 {
2211 usValue = EEPROM_Default_TxPower;
2212 }
2213 *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2214 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2215 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2216 }
2217 }
2218
2219 //
2220 // Update HAL variables.
2221 //
2222 if(priv->epromtype == EPROM_93c46)
2223 {
2224 for(i=0; i<14; i++)
2225 {
2226 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2227 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
2228 }
2229 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2230 // Antenna B gain offset to antenna A, bit0~3
2231 priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
2232 // Antenna C gain offset to antenna A, bit4~7
2233 priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
2234 // Antenna D gain offset to antenna A, bit8~11
2235 priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
2236 // CrystalCap, bit12~15
2237 priv->CrystalCap = priv->EEPROMCrystalCap;
2238 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2239 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2240 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2241 }
2242 else if(priv->epromtype == EPROM_93c56)
2243 {
2244 for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level.
2245 {
2246 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0];
2247 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
2248 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0];
2249 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
2250 }
2251 for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level
2252 {
2253 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1];
2254 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
2255 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1];
2256 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
2257 }
2258 for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level
2259 {
2260 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2];
2261 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
2262 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2];
2263 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
2264 }
2265 for(i=0; i<14; i++)
2266 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
2267 for(i=0; i<14; i++)
2268 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
2269 for(i=0; i<14; i++)
2270 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
2271 for(i=0; i<14; i++)
2272 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
2273 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2274 priv->AntennaTxPwDiff[0] = 0;
2275 priv->AntennaTxPwDiff[1] = 0;
2276 priv->AntennaTxPwDiff[2] = 0;
2277 priv->CrystalCap = priv->EEPROMCrystalCap;
2278 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2279 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2280 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2281 }
2282 }
2283
2284 if(priv->rf_type == RF_1T2R)
2285 {
2286 RT_TRACE(COMP_INIT, "1T2R config\n");
2287 }
2288 else if (priv->rf_type == RF_2T4R)
2289 {
2290 RT_TRACE(COMP_INIT, "2T4R config\n");
2291 }
2292
2293 // 2008/01/16 MH We can only know RF type in the function. So we have to init
2294 // DIG RATR table again.
2295 init_rate_adaptive(priv);
2296
2297 //1 Make a copy for following variables and we can change them if we want
2298
2299 if(priv->RegChannelPlan == 0xf)
2300 {
2301 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2302 }
2303 else
2304 {
2305 priv->ChannelPlan = priv->RegChannelPlan;
2306 }
2307
2308 //
2309 // Used PID and DID to Set CustomerID
2310 //
2311 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 )
2312 {
2313 priv->CustomerID = RT_CID_DLINK;
2314 }
2315
2316 switch(priv->eeprom_CustomerID)
2317 {
2318 case EEPROM_CID_DEFAULT:
2319 priv->CustomerID = RT_CID_DEFAULT;
2320 break;
2321 case EEPROM_CID_CAMEO:
2322 priv->CustomerID = RT_CID_819x_CAMEO;
2323 break;
2324 case EEPROM_CID_RUNTOP:
2325 priv->CustomerID = RT_CID_819x_RUNTOP;
2326 break;
2327 case EEPROM_CID_NetCore:
2328 priv->CustomerID = RT_CID_819x_Netcore;
2329 break;
2330 case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31
2331 priv->CustomerID = RT_CID_TOSHIBA;
2332 if(priv->eeprom_ChannelPlan&0x80)
2333 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
2334 else
2335 priv->ChannelPlan = 0x0;
2336 RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
2337 priv->ChannelPlan);
2338 break;
2339 case EEPROM_CID_Nettronix:
2340 priv->CustomerID = RT_CID_Nettronix;
2341 break;
2342 case EEPROM_CID_Pronet:
2343 priv->CustomerID = RT_CID_PRONET;
2344 break;
2345 case EEPROM_CID_DLINK:
2346 priv->CustomerID = RT_CID_DLINK;
2347 break;
2348
2349 case EEPROM_CID_WHQL:
2350 break;
2351 default:
2352 // value from RegCustomerID
2353 break;
2354 }
2355
2356 //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2357 if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
2358 priv->ChannelPlan = 0; //FCC
2359
2360 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304)
2361 priv->ieee80211->bSupportRemoteWakeUp = true;
2362 else
2363 priv->ieee80211->bSupportRemoteWakeUp = false;
2364
2365
2366 RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
2367 RT_TRACE(COMP_INIT, "ChannelPlan = %d\n", priv->ChannelPlan);
2368 RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
2369 }
2370
2371
2372 static short rtl8192_get_channel_map(struct r8192_priv *priv)
2373 {
2374 #ifdef ENABLE_DOT11D
2375 if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
2376 printk("rtl8180_init:Error channel plan! Set to default.\n");
2377 priv->ChannelPlan= 0;
2378 }
2379 RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
2380
2381 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2382 #else
2383 int ch,i;
2384 //Set Default Channel Plan
2385 if(!channels){
2386 DMESG("No channels, aborting");
2387 return -1;
2388 }
2389 ch=channels;
2390 priv->ChannelPlan= 0;//hikaru
2391 // set channels 1..14 allowed in given locale
2392 for (i=1; i<=14; i++) {
2393 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
2394 ch >>= 1;
2395 }
2396 #endif
2397 return 0;
2398 }
2399
2400 static short rtl8192_init(struct r8192_priv *priv)
2401 {
2402 struct net_device *dev = priv->ieee80211->dev;
2403
2404 memset(&(priv->stats),0,sizeof(struct Stats));
2405 rtl8192_init_priv_variable(priv);
2406 rtl8192_init_priv_lock(priv);
2407 rtl8192_init_priv_task(priv);
2408 rtl8192_get_eeprom_size(priv);
2409 rtl8192_read_eeprom_info(priv);
2410 rtl8192_get_channel_map(priv);
2411 init_hal_dm(priv);
2412 init_timer(&priv->watch_dog_timer);
2413 priv->watch_dog_timer.data = (unsigned long)priv;
2414 priv->watch_dog_timer.function = watch_dog_timer_callback;
2415 if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, priv)) {
2416 printk("Error allocating IRQ %d",dev->irq);
2417 return -1;
2418 }else{
2419 priv->irq=dev->irq;
2420 printk("IRQ %d",dev->irq);
2421 }
2422 if (rtl8192_pci_initdescring(priv) != 0){
2423 printk("Endopoints initialization failed");
2424 return -1;
2425 }
2426
2427 return 0;
2428 }
2429
2430 /*
2431 * Actually only set RRSR, RATR and BW_OPMODE registers
2432 * not to do all the hw config as its name says
2433 * This part need to modified according to the rate set we filtered
2434 */
2435 static void rtl8192_hwconfig(struct r8192_priv *priv)
2436 {
2437 u32 regRATR = 0, regRRSR = 0;
2438 u8 regBwOpMode = 0, regTmp = 0;
2439
2440 // Set RRSR, RATR, and BW_OPMODE registers
2441 //
2442 switch (priv->ieee80211->mode)
2443 {
2444 case WIRELESS_MODE_B:
2445 regBwOpMode = BW_OPMODE_20MHZ;
2446 regRATR = RATE_ALL_CCK;
2447 regRRSR = RATE_ALL_CCK;
2448 break;
2449 case WIRELESS_MODE_A:
2450 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2451 regRATR = RATE_ALL_OFDM_AG;
2452 regRRSR = RATE_ALL_OFDM_AG;
2453 break;
2454 case WIRELESS_MODE_G:
2455 regBwOpMode = BW_OPMODE_20MHZ;
2456 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2457 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2458 break;
2459 case WIRELESS_MODE_AUTO:
2460 case WIRELESS_MODE_N_24G:
2461 // It support CCK rate by default.
2462 // CCK rate will be filtered out only when associated AP does not support it.
2463 regBwOpMode = BW_OPMODE_20MHZ;
2464 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2465 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2466 break;
2467 case WIRELESS_MODE_N_5G:
2468 regBwOpMode = BW_OPMODE_5G;
2469 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2470 regRRSR = RATE_ALL_OFDM_AG;
2471 break;
2472 }
2473
2474 write_nic_byte(priv, BW_OPMODE, regBwOpMode);
2475 {
2476 u32 ratr_value = 0;
2477 ratr_value = regRATR;
2478 if (priv->rf_type == RF_1T2R)
2479 {
2480 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2481 }
2482 write_nic_dword(priv, RATR0, ratr_value);
2483 write_nic_byte(priv, UFWP, 1);
2484 }
2485 regTmp = read_nic_byte(priv, 0x313);
2486 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2487 write_nic_dword(priv, RRSR, regRRSR);
2488
2489 //
2490 // Set Retry Limit here
2491 //
2492 write_nic_word(priv, RETRY_LIMIT,
2493 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2494 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2495 // Set Contention Window here
2496
2497 // Set Tx AGC
2498
2499 // Set Tx Antenna including Feedback control
2500
2501 // Set Auto Rate fallback control
2502
2503
2504 }
2505
2506
2507 static RT_STATUS rtl8192_adapter_start(struct r8192_priv *priv)
2508 {
2509 struct net_device *dev = priv->ieee80211->dev;
2510 u32 ulRegRead;
2511 RT_STATUS rtStatus = RT_STATUS_SUCCESS;
2512 u8 tmpvalue;
2513 u8 ICVersion,SwitchingRegulatorOutput;
2514 bool bfirmwareok = true;
2515 u32 tmpRegA, tmpRegC, TempCCk;
2516 int i =0;
2517
2518 RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
2519 priv->being_init_adapter = true;
2520 rtl8192_pci_resetdescring(priv);
2521 // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2522 priv->Rf_Mode = RF_OP_By_SW_3wire;
2523
2524 //dPLL on
2525 if(priv->ResetProgress == RESET_TYPE_NORESET)
2526 {
2527 write_nic_byte(priv, ANAPAR, 0x37);
2528 // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
2529 // Joseph increae the time to prevent firmware download fail
2530 mdelay(500);
2531 }
2532
2533 //PlatformSleepUs(10000);
2534 // For any kind of InitializeAdapter process, we shall use system now!!
2535 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2536
2537 //
2538 //3 //Config CPUReset Register
2539 //3//
2540 //3 Firmware Reset Or Not
2541 ulRegRead = read_nic_dword(priv, CPU_GEN);
2542 if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2543 { //called from MPInitialized. do nothing
2544 ulRegRead |= CPU_GEN_SYSTEM_RESET;
2545 }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2546 ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset
2547 else
2548 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status);
2549
2550 write_nic_dword(priv, CPU_GEN, ulRegRead);
2551
2552 //3//
2553 //3 //Fix the issue of E-cut high temperature issue
2554 //3//
2555 // TODO: E cut only
2556 ICVersion = read_nic_byte(priv, IC_VERRSION);
2557 if(ICVersion >= 0x4) //E-cut only
2558 {
2559 // HW SD suggest that we should not wirte this register too often, so driver
2560 // should readback this register. This register will be modified only when
2561 // power on reset
2562 SwitchingRegulatorOutput = read_nic_byte(priv, SWREGULATOR);
2563 if(SwitchingRegulatorOutput != 0xb8)
2564 {
2565 write_nic_byte(priv, SWREGULATOR, 0xa8);
2566 mdelay(1);
2567 write_nic_byte(priv, SWREGULATOR, 0xb8);
2568 }
2569 }
2570
2571 //3//
2572 //3// Initialize BB before MAC
2573 //3//
2574 RT_TRACE(COMP_INIT, "BB Config Start!\n");
2575 rtStatus = rtl8192_BBConfig(priv);
2576 if(rtStatus != RT_STATUS_SUCCESS)
2577 {
2578 RT_TRACE(COMP_ERR, "BB Config failed\n");
2579 return rtStatus;
2580 }
2581 RT_TRACE(COMP_INIT,"BB Config Finished!\n");
2582
2583 //3//Set Loopback mode or Normal mode
2584 //3//
2585 //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
2586 // because setting of System_Reset bit reset MAC to default transmission mode.
2587 //Loopback mode or not
2588 priv->LoopbackMode = RTL819X_NO_LOOPBACK;
2589 if(priv->ResetProgress == RESET_TYPE_NORESET)
2590 {
2591 ulRegRead = read_nic_dword(priv, CPU_GEN);
2592 if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
2593 {
2594 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
2595 }
2596 else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
2597 {
2598 ulRegRead |= CPU_CCK_LOOPBACK;
2599 }
2600 else
2601 {
2602 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
2603 }
2604
2605 //2008.06.03, for WOL
2606 //ulRegRead &= (~(CPU_GEN_GPIO_UART));
2607 write_nic_dword(priv, CPU_GEN, ulRegRead);
2608
2609 // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
2610 udelay(500);
2611 }
2612 //3Set Hardware(Do nothing now)
2613 rtl8192_hwconfig(priv);
2614 //2=======================================================
2615 // Common Setting for all of the FPGA platform. (part 1)
2616 //2=======================================================
2617 // If there is changes, please make sure it applies to all of the FPGA version
2618 //3 Turn on Tx/Rx
2619 write_nic_byte(priv, CMDR, CR_RE|CR_TE);
2620
2621 //2Set Tx dma burst
2622 write_nic_byte(priv, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
2623 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
2624
2625 //set IDR0 here
2626 write_nic_dword(priv, MAC0, ((u32*)dev->dev_addr)[0]);
2627 write_nic_word(priv, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
2628 //set RCR
2629 write_nic_dword(priv, RCR, priv->ReceiveConfig);
2630
2631 //3 Initialize Number of Reserved Pages in Firmware Queue
2632 write_nic_dword(priv, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2633 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2634 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2635 NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2636 write_nic_dword(priv, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
2637 write_nic_dword(priv, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
2638 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
2639 NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
2640
2641 rtl8192_tx_enable(priv);
2642 rtl8192_rx_enable(priv);
2643 //3Set Response Rate Setting Register
2644 // CCK rate is supported by default.
2645 // CCK rate will be filtered out only when associated AP does not support it.
2646 ulRegRead = (0xFFF00000 & read_nic_dword(priv, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
2647 write_nic_dword(priv, RRSR, ulRegRead);
2648 write_nic_dword(priv, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2649
2650 //2Set AckTimeout
2651 // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
2652 write_nic_byte(priv, ACK_TIMEOUT, 0x30);
2653
2654 if(priv->ResetProgress == RESET_TYPE_NORESET)
2655 rtl8192_SetWirelessMode(priv->ieee80211, priv->ieee80211->mode);
2656 //-----------------------------------------------------------------------------
2657 // Set up security related. 070106, by rcnjko:
2658 // 1. Clear all H/W keys.
2659 // 2. Enable H/W encryption/decryption.
2660 //-----------------------------------------------------------------------------
2661 CamResetAllEntry(priv);
2662 {
2663 u8 SECR_value = 0x0;
2664 SECR_value |= SCR_TxEncEnable;
2665 SECR_value |= SCR_RxDecEnable;
2666 SECR_value |= SCR_NoSKMC;
2667 write_nic_byte(priv, SECR, SECR_value);
2668 }
2669 //3Beacon related
2670 write_nic_word(priv, ATIMWND, 2);
2671 write_nic_word(priv, BCN_INTERVAL, 100);
2672 for (i=0; i<QOS_QUEUE_NUM; i++)
2673 write_nic_dword(priv, WDCAPARA_ADD[i], 0x005e4332);
2674 //
2675 // Switching regulator controller: This is set temporarily.
2676 // It's not sure if this can be removed in the future.
2677 // PJ advised to leave it by default.
2678 //
2679 write_nic_byte(priv, 0xbe, 0xc0);
2680
2681 //2=======================================================
2682 // Set PHY related configuration defined in MAC register bank
2683 //2=======================================================
2684 rtl8192_phy_configmac(priv);
2685
2686 if (priv->card_8192_version > (u8) VERSION_8190_BD) {
2687 rtl8192_phy_getTxPower(priv);
2688 rtl8192_phy_setTxPower(priv, priv->chan);
2689 }
2690
2691 //if D or C cut
2692 tmpvalue = read_nic_byte(priv, IC_VERRSION);
2693 priv->IC_Cut = tmpvalue;
2694 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
2695 if(priv->IC_Cut >= IC_VersionCut_D)
2696 {
2697 //pHalData->bDcut = TRUE;
2698 if(priv->IC_Cut == IC_VersionCut_D)
2699 RT_TRACE(COMP_INIT, "D-cut\n");
2700 if(priv->IC_Cut == IC_VersionCut_E)
2701 {
2702 RT_TRACE(COMP_INIT, "E-cut\n");
2703 // HW SD suggest that we should not wirte this register too often, so driver
2704 // should readback this register. This register will be modified only when
2705 // power on reset
2706 }
2707 }
2708 else
2709 {
2710 //pHalData->bDcut = FALSE;
2711 RT_TRACE(COMP_INIT, "Before C-cut\n");
2712 }
2713
2714 //Firmware download
2715 RT_TRACE(COMP_INIT, "Load Firmware!\n");
2716 bfirmwareok = init_firmware(dev);
2717 if(bfirmwareok != true) {
2718 rtStatus = RT_STATUS_FAILURE;
2719 return rtStatus;
2720 }
2721 RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
2722
2723 //RF config
2724 if(priv->ResetProgress == RESET_TYPE_NORESET)
2725 {
2726 RT_TRACE(COMP_INIT, "RF Config Started!\n");
2727 rtStatus = rtl8192_phy_RFConfig(priv);
2728 if(rtStatus != RT_STATUS_SUCCESS)
2729 {
2730 RT_TRACE(COMP_ERR, "RF Config failed\n");
2731 return rtStatus;
2732 }
2733 RT_TRACE(COMP_INIT, "RF Config Finished!\n");
2734 }
2735 rtl8192_phy_updateInitGain(priv);
2736
2737 /*---- Set CCK and OFDM Block "ON"----*/
2738 rtl8192_setBBreg(priv, rFPGA0_RFMOD, bCCKEn, 0x1);
2739 rtl8192_setBBreg(priv, rFPGA0_RFMOD, bOFDMEn, 0x1);
2740
2741 //Enable Led
2742 write_nic_byte(priv, 0x87, 0x0);
2743
2744 //2=======================================================
2745 // RF Power Save
2746 //2=======================================================
2747 #ifdef ENABLE_IPS
2748
2749 {
2750 if(priv->RfOffReason > RF_CHANGE_BY_PS)
2751 { // H/W or S/W RF OFF before sleep.
2752 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__,priv->RfOffReason);
2753 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2754 }
2755 else if(priv->RfOffReason >= RF_CHANGE_BY_IPS)
2756 { // H/W or S/W RF OFF before sleep.
2757 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__, priv->RfOffReason);
2758 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2759 }
2760 else
2761 {
2762 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
2763 priv->eRFPowerState = eRfOn;
2764 priv->RfOffReason = 0;
2765 }
2766 }
2767 #endif
2768 // We can force firmware to do RF-R/W
2769 if(priv->ieee80211->FwRWRF)
2770 priv->Rf_Mode = RF_OP_By_FW;
2771 else
2772 priv->Rf_Mode = RF_OP_By_SW_3wire;
2773
2774 if(priv->ResetProgress == RESET_TYPE_NORESET)
2775 {
2776 dm_initialize_txpower_tracking(priv);
2777
2778 if(priv->IC_Cut >= IC_VersionCut_D)
2779 {
2780 tmpRegA = rtl8192_QueryBBReg(priv, rOFDM0_XATxIQImbalance, bMaskDWord);
2781 tmpRegC = rtl8192_QueryBBReg(priv, rOFDM0_XCTxIQImbalance, bMaskDWord);
2782 for(i = 0; i<TxBBGainTableLength; i++)
2783 {
2784 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
2785 {
2786 priv->rfa_txpowertrackingindex= (u8)i;
2787 priv->rfa_txpowertrackingindex_real= (u8)i;
2788 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
2789 break;
2790 }
2791 }
2792
2793 TempCCk = rtl8192_QueryBBReg(priv, rCCK0_TxFilter1, bMaskByte2);
2794
2795 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
2796 {
2797 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
2798 {
2799 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
2800 break;
2801 }
2802 }
2803 priv->CCKPresentAttentuation_40Mdefault = 0;
2804 priv->CCKPresentAttentuation_difference = 0;
2805 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
2806 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
2807 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
2808 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
2809 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
2810 priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
2811 }
2812 }
2813
2814 rtl8192_irq_enable(priv);
2815 priv->being_init_adapter = false;
2816 return rtStatus;
2817
2818 }
2819
2820 static void rtl8192_prepare_beacon(unsigned long arg)
2821 {
2822 struct r8192_priv *priv = (struct r8192_priv*) arg;
2823 struct sk_buff *skb;
2824 cb_desc *tcb_desc;
2825
2826 skb = ieee80211_get_beacon(priv->ieee80211);
2827 tcb_desc = (cb_desc *)(skb->cb + 8);
2828 /* prepare misc info for the beacon xmit */
2829 tcb_desc->queue_index = BEACON_QUEUE;
2830 /* IBSS does not support HT yet, use 1M defaultly */
2831 tcb_desc->data_rate = 2;
2832 tcb_desc->RATRIndex = 7;
2833 tcb_desc->bTxDisableRateFallBack = 1;
2834 tcb_desc->bTxUseDriverAssingedRate = 1;
2835
2836 skb_push(skb, priv->ieee80211->tx_headroom);
2837 if(skb){
2838 rtl8192_tx(priv, skb);
2839 }
2840 }
2841
2842
2843 /*
2844 * configure registers for beacon tx and enables it via
2845 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
2846 * be used to stop beacon transmission
2847 */
2848 static void rtl8192_start_beacon(struct ieee80211_device *ieee80211)
2849 {
2850 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
2851 struct ieee80211_network *net = &priv->ieee80211->current_network;
2852 u16 BcnTimeCfg = 0;
2853 u16 BcnCW = 6;
2854 u16 BcnIFS = 0xf;
2855
2856 DMESG("Enabling beacon TX");
2857 rtl8192_irq_disable(priv);
2858 //rtl8192_beacon_tx_enable(dev);
2859
2860 /* ATIM window */
2861 write_nic_word(priv, ATIMWND, 2);
2862
2863 /* Beacon interval (in unit of TU) */
2864 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
2865
2866 /*
2867 * DrvErlyInt (in unit of TU).
2868 * (Time to send interrupt to notify driver to c
2869 * hange beacon content)
2870 * */
2871 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
2872
2873 /*
2874 * BcnDMATIM(in unit of us).
2875 * Indicates the time before TBTT to perform beacon queue DMA
2876 * */
2877 write_nic_word(priv, BCN_DMATIME, 256);
2878
2879 /*
2880 * Force beacon frame transmission even after receiving
2881 * beacon frame from other ad hoc STA
2882 * */
2883 write_nic_byte(priv, BCN_ERR_THRESH, 100);
2884
2885 /* Set CW and IFS */
2886 BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
2887 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
2888 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
2889
2890
2891 /* enable the interrupt for ad-hoc process */
2892 rtl8192_irq_enable(priv);
2893 }
2894
2895 static bool HalRxCheckStuck8190Pci(struct r8192_priv *priv)
2896 {
2897 u16 RegRxCounter = read_nic_word(priv, 0x130);
2898 bool bStuck = FALSE;
2899
2900 RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
2901 // If rssi is small, we should check rx for long time because of bad rx.
2902 // or maybe it will continuous silent reset every 2 seconds.
2903 priv->rx_chk_cnt++;
2904 if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
2905 {
2906 priv->rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
2907 }
2908 else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
2909 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
2910 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
2911
2912 {
2913 if(priv->rx_chk_cnt < 2)
2914 {
2915 return bStuck;
2916 }
2917 else
2918 {
2919 priv->rx_chk_cnt = 0;
2920 }
2921 }
2922 else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
2923 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
2924 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
2925 {
2926 if(priv->rx_chk_cnt < 4)
2927 {
2928 return bStuck;
2929 }
2930 else
2931 {
2932 priv->rx_chk_cnt = 0;
2933 }
2934 }
2935 else
2936 {
2937 if(priv->rx_chk_cnt < 8)
2938 {
2939 return bStuck;
2940 }
2941 else
2942 {
2943 priv->rx_chk_cnt = 0;
2944 }
2945 }
2946 if(priv->RxCounter==RegRxCounter)
2947 bStuck = TRUE;
2948
2949 priv->RxCounter = RegRxCounter;
2950
2951 return bStuck;
2952 }
2953
2954 static RESET_TYPE RxCheckStuck(struct r8192_priv *priv)
2955 {
2956
2957 if(HalRxCheckStuck8190Pci(priv))
2958 {
2959 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
2960 return RESET_TYPE_SILENT;
2961 }
2962
2963 return RESET_TYPE_NORESET;
2964 }
2965
2966 static RESET_TYPE rtl819x_check_reset(struct r8192_priv *priv)
2967 {
2968 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
2969 RT_RF_POWER_STATE rfState;
2970
2971 rfState = priv->eRFPowerState;
2972
2973 if (rfState != eRfOff && (priv->ieee80211->iw_mode != IW_MODE_ADHOC)) {
2974 /*
2975 * If driver is in the status of firmware download failure,
2976 * driver skips RF initialization and RF is in turned off state.
2977 * Driver should check whether Rx stuck and do silent reset. And
2978 * if driver is in firmware download failure status, driver
2979 * should initialize RF in the following silent reset procedure
2980 *
2981 * Driver should not check RX stuck in IBSS mode because it is
2982 * required to set Check BSSID in order to send beacon, however,
2983 * if check BSSID is set, STA cannot hear any packet a all.
2984 */
2985 RxResetType = RxCheckStuck(priv);
2986 }
2987
2988 RT_TRACE(COMP_RESET, "%s(): RxResetType is %d\n", __FUNCTION__, RxResetType);
2989
2990 return RxResetType;
2991 }
2992
2993 #ifdef ENABLE_IPS
2994 static void InactivePsWorkItemCallback(struct r8192_priv *priv)
2995 {
2996 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
2997
2998 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() --------->\n");
2999 //
3000 // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
3001 // is really scheduled.
3002 // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3003 // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3004 // blocks the IPS procedure of switching RF.
3005 // By Bruce, 2007-12-25.
3006 //
3007 pPSC->bSwRfProcessing = TRUE;
3008
3009 RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3010 pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
3011
3012
3013 MgntActSet_RF_State(priv, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
3014
3015 //
3016 // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3017 //
3018 pPSC->bSwRfProcessing = FALSE;
3019 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <---------\n");
3020 }
3021
3022 #ifdef ENABLE_LPS
3023 /* Change current and default preamble mode. */
3024 bool MgntActSet_802_11_PowerSaveMode(struct r8192_priv *priv, u8 rtPsMode)
3025 {
3026
3027 // Currently, we do not change power save mode on IBSS mode.
3028 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3029 {
3030 return false;
3031 }
3032
3033 //
3034 // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3035 // some AP will not response to our mgnt frames with PwrMgt bit set,
3036 // e.g. cannot associate the AP.
3037 // So I commented out it. 2005.02.16, by rcnjko.
3038 //
3039 // // Change device's power save mode.
3040 // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3041
3042 // Update power save mode configured.
3043 //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3044 if(!priv->ps_force) {
3045 priv->ieee80211->ps = rtPsMode;
3046 }
3047
3048 // Awake immediately
3049 if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
3050 {
3051 // Notify the AP we awke.
3052 rtl8192_hw_wakeup(priv->ieee80211);
3053 priv->ieee80211->sta_sleep = 0;
3054
3055 spin_lock(&priv->ieee80211->mgmt_tx_lock);
3056 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3057 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
3058 spin_unlock(&priv->ieee80211->mgmt_tx_lock);
3059 }
3060
3061 return true;
3062 }
3063
3064 /* Enter the leisure power save mode. */
3065 void LeisurePSEnter(struct ieee80211_device *ieee80211)
3066 {
3067 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3068 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3069
3070 if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
3071 (priv->ieee80211->state == IEEE80211_LINKED)) ||
3072 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
3073 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
3074 return;
3075
3076 if (pPSC->bLeisurePs)
3077 {
3078 // Idle for a while if we connect to AP a while ago.
3079 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) // 4 Sec
3080 {
3081
3082 if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
3083 {
3084 MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
3085
3086 }
3087 }
3088 else
3089 pPSC->LpsIdleCount++;
3090 }
3091 }
3092
3093
3094 /* Leave leisure power save mode. */
3095 void LeisurePSLeave(struct ieee80211_device *ieee80211)
3096 {
3097 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3098 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3099
3100 if (pPSC->bLeisurePs)
3101 {
3102 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
3103 {
3104 // move to lps_wakecomplete()
3105 MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_DISABLED);
3106
3107 }
3108 }
3109 }
3110 #endif
3111
3112
3113 /* Enter the inactive power save mode. RF will be off */
3114 void IPSEnter(struct r8192_priv *priv)
3115 {
3116 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3117 RT_RF_POWER_STATE rtState;
3118
3119 if (pPSC->bInactivePs)
3120 {
3121 rtState = priv->eRFPowerState;
3122 //
3123 // Added by Bruce, 2007-12-25.
3124 // Do not enter IPS in the following conditions:
3125 // (1) RF is already OFF or Sleep
3126 // (2) bSwRfProcessing (indicates the IPS is still under going)
3127 // (3) Connectted (only disconnected can trigger IPS)
3128 // (4) IBSS (send Beacon)
3129 // (5) AP mode (send Beacon)
3130 //
3131 if (rtState == eRfOn && !pPSC->bSwRfProcessing
3132 && (priv->ieee80211->state != IEEE80211_LINKED) )
3133 {
3134 RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
3135 pPSC->eInactivePowerState = eRfOff;
3136 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
3137 InactivePsWorkItemCallback(priv);
3138 }
3139 }
3140 }
3141
3142 //
3143 // Description:
3144 // Leave the inactive power save mode, RF will be on.
3145 // 2007.08.17, by shien chang.
3146 //
3147 void IPSLeave(struct r8192_priv *priv)
3148 {
3149 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3150 RT_RF_POWER_STATE rtState;
3151
3152 if (pPSC->bInactivePs)
3153 {
3154 rtState = priv->eRFPowerState;
3155 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->RfOffReason <= RF_CHANGE_BY_IPS)
3156 {
3157 RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
3158 pPSC->eInactivePowerState = eRfOn;
3159 InactivePsWorkItemCallback(priv);
3160 }
3161 }
3162 }
3163
3164 void IPSLeave_wq(struct work_struct *work)
3165 {
3166 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ips_leave_wq);
3167 struct net_device *dev = ieee->dev;
3168
3169 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3170 down(&priv->ieee80211->ips_sem);
3171 IPSLeave(priv);
3172 up(&priv->ieee80211->ips_sem);
3173 }
3174
3175 void ieee80211_ips_leave_wq(struct ieee80211_device *ieee80211)
3176 {
3177 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3178 RT_RF_POWER_STATE rtState;
3179 rtState = priv->eRFPowerState;
3180
3181 if (priv->PowerSaveControl.bInactivePs){
3182 if(rtState == eRfOff){
3183 if(priv->RfOffReason > RF_CHANGE_BY_IPS)
3184 {
3185 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
3186 return;
3187 }
3188 else{
3189 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
3190 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
3191 }
3192 }
3193 }
3194 }
3195 //added by amy 090331 end
3196 void ieee80211_ips_leave(struct ieee80211_device *ieee80211)
3197 {
3198 struct r8192_priv *priv = ieee80211_priv(ieee80211->dev);
3199 down(&ieee80211->ips_sem);
3200 IPSLeave(priv);
3201 up(&ieee80211->ips_sem);
3202 }
3203 #endif
3204
3205 static void rtl819x_update_rxcounts(
3206 struct r8192_priv *priv,
3207 u32* TotalRxBcnNum,
3208 u32* TotalRxDataNum
3209 )
3210 {
3211 u16 SlotIndex;
3212 u8 i;
3213
3214 *TotalRxBcnNum = 0;
3215 *TotalRxDataNum = 0;
3216
3217 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
3218 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3219 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3220 for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
3221 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3222 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3223 }
3224 }
3225
3226
3227 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3228 {
3229 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
3230 struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
3231 struct ieee80211_device* ieee = priv->ieee80211;
3232 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3233 bool bBusyTraffic = false;
3234 bool bEnterPS = false;
3235
3236 if ((!priv->up) || priv->bHwRadioOff)
3237 return;
3238
3239 if(!priv->up)
3240 return;
3241 hal_dm_watchdog(priv);
3242 #ifdef ENABLE_IPS
3243 if(ieee->actscanning == false){
3244 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&
3245 (priv->eRFPowerState == eRfOn) && !ieee->is_set_key &&
3246 (!ieee->proto_stoppping) && !ieee->wx_set_enc){
3247 if (priv->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
3248 IPSEnter(priv);
3249 }
3250 }
3251 }
3252 #endif
3253 {//to get busy traffic condition
3254 if(ieee->state == IEEE80211_LINKED)
3255 {
3256 if( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
3257 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
3258 bBusyTraffic = true;
3259 }
3260
3261 #ifdef ENABLE_LPS
3262 //added by amy for Leisure PS
3263 if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
3264 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
3265 {
3266 bEnterPS= false;
3267 }
3268 else
3269 {
3270 bEnterPS= true;
3271 }
3272
3273 // LeisurePS only work in infra mode.
3274 if(bEnterPS)
3275 {
3276 LeisurePSEnter(priv->ieee80211);
3277 }
3278 else
3279 {
3280 LeisurePSLeave(priv->ieee80211);
3281 }
3282 #endif
3283
3284 }
3285 else
3286 {
3287 #ifdef ENABLE_LPS
3288 LeisurePSLeave(priv->ieee80211);
3289 #endif
3290 }
3291
3292 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3293 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3294 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
3295 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3296 }
3297
3298
3299 //added by amy for AP roaming
3300 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3301 {
3302 u32 TotalRxBcnNum = 0;
3303 u32 TotalRxDataNum = 0;
3304
3305 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3306 if((TotalRxBcnNum+TotalRxDataNum) == 0)
3307 {
3308 if (priv->eRFPowerState == eRfOff)
3309 RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
3310 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
3311 // Dot11d_Reset(dev);
3312 ieee->state = IEEE80211_ASSOCIATING;
3313 notify_wx_assoc_event(priv->ieee80211);
3314 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
3315 ieee->is_roaming = true;
3316 ieee->is_set_key = false;
3317 ieee->link_change(ieee);
3318 queue_work(ieee->wq, &ieee->associate_procedure_wq);
3319 }
3320 }
3321 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
3322 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
3323
3324 //check if reset the driver
3325 if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming &&
3326 priv->watchdog_last_time != 1)
3327 {
3328 ResetType = rtl819x_check_reset(priv);
3329 priv->watchdog_check_reset_cnt = 3;
3330 }
3331 if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
3332 {
3333 priv->ResetProgress = RESET_TYPE_NORMAL;
3334 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
3335 return;
3336 }
3337 /* disable silent reset temply 2008.9.11*/
3338
3339 if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
3340 {
3341 priv->watchdog_last_time = 1;
3342 }
3343 else
3344 priv->watchdog_last_time = 0;
3345
3346 priv->force_reset = false;
3347 priv->bForcedSilentReset = false;
3348 priv->bResetInProgress = false;
3349 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3350
3351 }
3352
3353 void watch_dog_timer_callback(unsigned long data)
3354 {
3355 struct r8192_priv *priv = (struct r8192_priv *) data;
3356 queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
3357 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
3358
3359 }
3360
3361 static int _rtl8192_up(struct r8192_priv *priv)
3362 {
3363 RT_STATUS init_status = RT_STATUS_SUCCESS;
3364 struct net_device *dev = priv->ieee80211->dev;
3365
3366 priv->up=1;
3367 priv->ieee80211->ieee_up=1;
3368 priv->bdisable_nic = false; //YJ,add,091111
3369 RT_TRACE(COMP_INIT, "Bringing up iface\n");
3370
3371 init_status = rtl8192_adapter_start(priv);
3372 if(init_status != RT_STATUS_SUCCESS)
3373 {
3374 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
3375 return -1;
3376 }
3377 RT_TRACE(COMP_INIT, "start adapter finished\n");
3378
3379 if (priv->eRFPowerState != eRfOn)
3380 MgntActSet_RF_State(priv, eRfOn, priv->RfOffReason);
3381
3382 if(priv->ieee80211->state != IEEE80211_LINKED)
3383 ieee80211_softmac_start_protocol(priv->ieee80211);
3384 ieee80211_reset_queue(priv->ieee80211);
3385 watch_dog_timer_callback((unsigned long) priv);
3386 if(!netif_queue_stopped(dev))
3387 netif_start_queue(dev);
3388 else
3389 netif_wake_queue(dev);
3390
3391 return 0;
3392 }
3393
3394
3395 static int rtl8192_open(struct net_device *dev)
3396 {
3397 struct r8192_priv *priv = ieee80211_priv(dev);
3398 int ret;
3399
3400 down(&priv->wx_sem);
3401 ret = rtl8192_up(dev);
3402 up(&priv->wx_sem);
3403 return ret;
3404
3405 }
3406
3407
3408 int rtl8192_up(struct net_device *dev)
3409 {
3410 struct r8192_priv *priv = ieee80211_priv(dev);
3411
3412 if (priv->up == 1) return -1;
3413
3414 return _rtl8192_up(priv);
3415 }
3416
3417
3418 static int rtl8192_close(struct net_device *dev)
3419 {
3420 struct r8192_priv *priv = ieee80211_priv(dev);
3421 int ret;
3422
3423 down(&priv->wx_sem);
3424
3425 ret = rtl8192_down(dev);
3426
3427 up(&priv->wx_sem);
3428
3429 return ret;
3430
3431 }
3432
3433 int rtl8192_down(struct net_device *dev)
3434 {
3435 struct r8192_priv *priv = ieee80211_priv(dev);
3436
3437 if (priv->up == 0) return -1;
3438
3439 #ifdef ENABLE_LPS
3440 //LZM for PS-Poll AID issue. 090429
3441 if(priv->ieee80211->state == IEEE80211_LINKED)
3442 LeisurePSLeave(priv->ieee80211);
3443 #endif
3444
3445 priv->up=0;
3446 priv->ieee80211->ieee_up = 0;
3447 RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
3448 /* FIXME */
3449 if (!netif_queue_stopped(dev))
3450 netif_stop_queue(dev);
3451
3452 rtl8192_irq_disable(priv);
3453 rtl8192_cancel_deferred_work(priv);
3454 deinit_hal_dm(priv);
3455 del_timer_sync(&priv->watch_dog_timer);
3456
3457 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3458
3459 rtl8192_halt_adapter(priv, false);
3460 memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
3461
3462 RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
3463
3464 return 0;
3465 }
3466
3467
3468 void rtl8192_commit(struct r8192_priv *priv)
3469 {
3470 if (priv->up == 0) return ;
3471
3472
3473 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3474
3475 rtl8192_irq_disable(priv);
3476 rtl8192_halt_adapter(priv, true);
3477 _rtl8192_up(priv);
3478 }
3479
3480 static void rtl8192_restart(struct work_struct *work)
3481 {
3482 struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
3483
3484 down(&priv->wx_sem);
3485
3486 rtl8192_commit(priv);
3487
3488 up(&priv->wx_sem);
3489 }
3490
3491 static void r8192_set_multicast(struct net_device *dev)
3492 {
3493 struct r8192_priv *priv = ieee80211_priv(dev);
3494
3495 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3496 }
3497
3498
3499 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3500 {
3501 struct r8192_priv *priv = ieee80211_priv(dev);
3502 struct sockaddr *addr = mac;
3503
3504 down(&priv->wx_sem);
3505
3506 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
3507
3508 schedule_work(&priv->reset_wq);
3509 up(&priv->wx_sem);
3510
3511 return 0;
3512 }
3513
3514 static void r8192e_set_hw_key(struct r8192_priv *priv, struct ieee_param *ipw)
3515 {
3516 struct ieee80211_device *ieee = priv->ieee80211;
3517 u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
3518 u32 key[4];
3519
3520 if (ipw->u.crypt.set_tx) {
3521 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3522 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3523 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3524 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3525 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3526 if (ipw->u.crypt.key_len == 13)
3527 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3528 else if (ipw->u.crypt.key_len == 5)
3529 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3530 } else
3531 ieee->pairwise_key_type = KEY_TYPE_NA;
3532
3533 if (ieee->pairwise_key_type) {
3534 memcpy(key, ipw->u.crypt.key, 16);
3535 EnableHWSecurityConfig8192(priv);
3536 /*
3537 * We fill both index entry and 4th entry for pairwise
3538 * key as in IPW interface, adhoc will only get here,
3539 * so we need index entry for its default key serching!
3540 */
3541 setKey(priv, 4, ipw->u.crypt.idx,
3542 ieee->pairwise_key_type,
3543 (u8*)ieee->ap_mac_addr, 0, key);
3544
3545 /* LEAP WEP will never set this. */
3546 if (ieee->auth_mode != 2)
3547 setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx,
3548 ieee->pairwise_key_type,
3549 (u8*)ieee->ap_mac_addr, 0, key);
3550 }
3551 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
3552 ieee->pHTInfo->bCurrentHTSupport) {
3553 write_nic_byte(priv, 0x173, 1); /* fix aes bug */
3554 }
3555 } else {
3556 memcpy(key, ipw->u.crypt.key, 16);
3557 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3558 ieee->group_key_type= KEY_TYPE_CCMP;
3559 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3560 ieee->group_key_type = KEY_TYPE_TKIP;
3561 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3562 if (ipw->u.crypt.key_len == 13)
3563 ieee->group_key_type = KEY_TYPE_WEP104;
3564 else if (ipw->u.crypt.key_len == 5)
3565 ieee->group_key_type = KEY_TYPE_WEP40;
3566 } else
3567 ieee->group_key_type = KEY_TYPE_NA;
3568
3569 if (ieee->group_key_type) {
3570 setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx,
3571 ieee->group_key_type, broadcast_addr, 0, key);
3572 }
3573 }
3574 }
3575
3576 /* based on ipw2200 driver */
3577 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3578 {
3579 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3580 struct iwreq *wrq = (struct iwreq *)rq;
3581 int ret=-1;
3582 struct iw_point *p = &wrq->u.data;
3583 struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
3584
3585 down(&priv->wx_sem);
3586
3587
3588 if (p->length < sizeof(struct ieee_param) || !p->pointer){
3589 ret = -EINVAL;
3590 goto out;
3591 }
3592
3593 ipw = kmalloc(p->length, GFP_KERNEL);
3594 if (ipw == NULL){
3595 ret = -ENOMEM;
3596 goto out;
3597 }
3598 if (copy_from_user(ipw, p->pointer, p->length)) {
3599 kfree(ipw);
3600 ret = -EFAULT;
3601 goto out;
3602 }
3603
3604 switch (cmd) {
3605 case RTL_IOCTL_WPA_SUPPLICANT:
3606 /* parse here for HW security */
3607 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
3608 r8192e_set_hw_key(priv, ipw);
3609 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
3610 break;
3611
3612 default:
3613 ret = -EOPNOTSUPP;
3614 break;
3615 }
3616
3617 kfree(ipw);
3618 out:
3619 up(&priv->wx_sem);
3620
3621 return ret;
3622 }
3623
3624 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3625 {
3626 u8 ret_rate = 0x02;
3627
3628 if(!bIsHT) {
3629 switch(rate) {
3630 case DESC90_RATE1M: ret_rate = MGN_1M; break;
3631 case DESC90_RATE2M: ret_rate = MGN_2M; break;
3632 case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break;
3633 case DESC90_RATE11M: ret_rate = MGN_11M; break;
3634 case DESC90_RATE6M: ret_rate = MGN_6M; break;
3635 case DESC90_RATE9M: ret_rate = MGN_9M; break;
3636 case DESC90_RATE12M: ret_rate = MGN_12M; break;
3637 case DESC90_RATE18M: ret_rate = MGN_18M; break;
3638 case DESC90_RATE24M: ret_rate = MGN_24M; break;
3639 case DESC90_RATE36M: ret_rate = MGN_36M; break;
3640 case DESC90_RATE48M: ret_rate = MGN_48M; break;
3641 case DESC90_RATE54M: ret_rate = MGN_54M; break;
3642
3643 default:
3644 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
3645 break;
3646 }
3647
3648 } else {
3649 switch(rate) {
3650 case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break;
3651 case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break;
3652 case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break;
3653 case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break;
3654 case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break;
3655 case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break;
3656 case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break;
3657 case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break;
3658 case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break;
3659 case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break;
3660 case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break;
3661 case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break;
3662 case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break;
3663 case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break;
3664 case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break;
3665 case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break;
3666 case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break;
3667
3668 default:
3669 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
3670 break;
3671 }
3672 }
3673
3674 return ret_rate;
3675 }
3676
3677 /* Record the TSF time stamp when receiving a packet */
3678 static void UpdateRxPktTimeStamp8190(struct r8192_priv *priv, struct ieee80211_rx_stats *stats)
3679 {
3680
3681 if(stats->bIsAMPDU && !stats->bFirstMPDU) {
3682 stats->mac_time[0] = priv->LastRxDescTSFLow;
3683 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3684 } else {
3685 priv->LastRxDescTSFLow = stats->mac_time[0];
3686 priv->LastRxDescTSFHigh = stats->mac_time[1];
3687 }
3688 }
3689
3690 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
3691 {
3692 long signal_power; // in dBm.
3693
3694 // Translate to dBm (x=0.5y-95).
3695 signal_power = (long)((signal_strength_index + 1) >> 1);
3696 signal_power -= 95;
3697
3698 return signal_power;
3699 }
3700
3701 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
3702 be a local static. Otherwise, it may increase when we return from S3/S4. The
3703 value will be kept in memory or disk. We must delcare the value in adapter
3704 and it will be reinitialized when return from S3/S4. */
3705 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
3706 {
3707 bool bcheck = false;
3708 u8 rfpath;
3709 u32 nspatial_stream, tmp_val;
3710 static u32 slide_rssi_index=0, slide_rssi_statistics=0;
3711 static u32 slide_evm_index=0, slide_evm_statistics=0;
3712 static u32 last_rssi=0, last_evm=0;
3713 //cosa add for beacon rssi smoothing
3714 static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
3715 static u32 last_beacon_adc_pwdb=0;
3716
3717 struct ieee80211_hdr_3addr *hdr;
3718 u16 sc ;
3719 unsigned int frag,seq;
3720 hdr = (struct ieee80211_hdr_3addr *)buffer;
3721 sc = le16_to_cpu(hdr->seq_ctl);
3722 frag = WLAN_GET_SEQ_FRAG(sc);
3723 seq = WLAN_GET_SEQ_SEQ(sc);
3724
3725 //
3726 // Check whether we should take the previous packet into accounting
3727 //
3728 if(!pprevious_stats->bIsAMPDU)
3729 {
3730 // if previous packet is not aggregated packet
3731 bcheck = true;
3732 }
3733
3734 if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
3735 {
3736 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3737 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3738 priv->stats.slide_rssi_total -= last_rssi;
3739 }
3740 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3741
3742 priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
3743 if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3744 slide_rssi_index = 0;
3745
3746 // <1> Showed on UI for user, in dbm
3747 tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
3748 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3749 pcurrent_stats->rssi = priv->stats.signal_strength;
3750 //
3751 // If the previous packet does not match the criteria, neglect it
3752 //
3753 if(!pprevious_stats->bPacketMatchBSSID)
3754 {
3755 if(!pprevious_stats->bToSelfBA)
3756 return;
3757 }
3758
3759 if(!bcheck)
3760 return;
3761
3762 // <2> Showed on UI for engineering
3763 // hardware does not provide rssi information for each rf path in CCK
3764 if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
3765 {
3766 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
3767 {
3768 if (!rtl8192_phy_CheckIsLegalRFPath(priv, rfpath))
3769 continue;
3770 RT_TRACE(COMP_DBG, "pPreviousstats->RxMIMOSignalStrength[rfpath] = %d\n", pprevious_stats->RxMIMOSignalStrength[rfpath]);
3771 //Fixed by Jacken 2008-03-20
3772 if(priv->stats.rx_rssi_percentage[rfpath] == 0)
3773 {
3774 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
3775 }
3776 if(pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath])
3777 {
3778 priv->stats.rx_rssi_percentage[rfpath] =
3779 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3780 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3781 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
3782 }
3783 else
3784 {
3785 priv->stats.rx_rssi_percentage[rfpath] =
3786 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3787 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3788 }
3789 RT_TRACE(COMP_DBG, "priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" , priv->stats.rx_rssi_percentage[rfpath]);
3790 }
3791 }
3792
3793
3794 //
3795 // Check PWDB.
3796 //
3797 //cosa add for beacon rssi smoothing by average.
3798 if(pprevious_stats->bPacketBeacon)
3799 {
3800 /* record the beacon pwdb to the sliding window. */
3801 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3802 {
3803 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
3804 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
3805 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
3806 // slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
3807 }
3808 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
3809 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
3810 slide_beacon_adc_pwdb_index++;
3811 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3812 slide_beacon_adc_pwdb_index = 0;
3813 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
3814 if(pprevious_stats->RxPWDBAll >= 3)
3815 pprevious_stats->RxPWDBAll -= 3;
3816 }
3817
3818 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3819 pprevious_stats->bIsCCK? "CCK": "OFDM",
3820 pprevious_stats->RxPWDBAll);
3821
3822 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3823 {
3824 if(priv->undecorated_smoothed_pwdb < 0) // initialize
3825 {
3826 priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
3827 }
3828
3829 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
3830 {
3831 priv->undecorated_smoothed_pwdb =
3832 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3833 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3834 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
3835 }
3836 else
3837 {
3838 priv->undecorated_smoothed_pwdb =
3839 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3840 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3841 }
3842 }
3843
3844 //
3845 // Check EVM
3846 //
3847 /* record the general EVM to the sliding window. */
3848 if(pprevious_stats->SignalQuality == 0)
3849 {
3850 }
3851 else
3852 {
3853 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
3854 if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
3855 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
3856 last_evm = priv->stats.slide_evm[slide_evm_index];
3857 priv->stats.slide_evm_total -= last_evm;
3858 }
3859
3860 priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
3861
3862 priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
3863 if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
3864 slide_evm_index = 0;
3865
3866 // <1> Showed on UI for user, in percentage.
3867 tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
3868 //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
3869 }
3870
3871 // <2> Showed on UI for engineering
3872 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3873 {
3874 for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
3875 {
3876 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
3877 {
3878 if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
3879 {
3880 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
3881 }
3882 priv->stats.rx_evm_percentage[nspatial_stream] =
3883 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
3884 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
3885 }
3886 }
3887 }
3888 }
3889
3890 }
3891
3892 static u8 rtl819x_query_rxpwrpercentage(
3893 char antpower
3894 )
3895 {
3896 if ((antpower <= -100) || (antpower >= 20))
3897 {
3898 return 0;
3899 }
3900 else if (antpower >= 0)
3901 {
3902 return 100;
3903 }
3904 else
3905 {
3906 return (100+antpower);
3907 }
3908
3909 }
3910
3911 static u8
3912 rtl819x_evm_dbtopercentage(
3913 char value
3914 )
3915 {
3916 char ret_val;
3917
3918 ret_val = value;
3919
3920 if(ret_val >= 0)
3921 ret_val = 0;
3922 if(ret_val <= -33)
3923 ret_val = -33;
3924 ret_val = 0 - ret_val;
3925 ret_val*=3;
3926 if(ret_val == 99)
3927 ret_val = 100;
3928 return ret_val;
3929 }
3930
3931 /* We want good-looking for signal strength/quality */
3932 static long rtl819x_signal_scale_mapping(long currsig)
3933 {
3934 long retsig;
3935
3936 // Step 1. Scale mapping.
3937 if(currsig >= 61 && currsig <= 100)
3938 {
3939 retsig = 90 + ((currsig - 60) / 4);
3940 }
3941 else if(currsig >= 41 && currsig <= 60)
3942 {
3943 retsig = 78 + ((currsig - 40) / 2);
3944 }
3945 else if(currsig >= 31 && currsig <= 40)
3946 {
3947 retsig = 66 + (currsig - 30);
3948 }
3949 else if(currsig >= 21 && currsig <= 30)
3950 {
3951 retsig = 54 + (currsig - 20);
3952 }
3953 else if(currsig >= 5 && currsig <= 20)
3954 {
3955 retsig = 42 + (((currsig - 5) * 2) / 3);
3956 }
3957 else if(currsig == 4)
3958 {
3959 retsig = 36;
3960 }
3961 else if(currsig == 3)
3962 {
3963 retsig = 27;
3964 }
3965 else if(currsig == 2)
3966 {
3967 retsig = 18;
3968 }
3969 else if(currsig == 1)
3970 {
3971 retsig = 9;
3972 }
3973 else
3974 {
3975 retsig = currsig;
3976 }
3977
3978 return retsig;
3979 }
3980
3981 static void rtl8192_query_rxphystatus(
3982 struct r8192_priv * priv,
3983 struct ieee80211_rx_stats * pstats,
3984 prx_desc_819x_pci pdesc,
3985 prx_fwinfo_819x_pci pdrvinfo,
3986 struct ieee80211_rx_stats * precord_stats,
3987 bool bpacket_match_bssid,
3988 bool bpacket_toself,
3989 bool bPacketBeacon,
3990 bool bToSelfBA
3991 )
3992 {
3993 //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status);
3994 phy_sts_ofdm_819xpci_t* pofdm_buf;
3995 phy_sts_cck_819xpci_t * pcck_buf;
3996 phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
3997 u8 *prxpkt;
3998 u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
3999 char rx_pwr[4], rx_pwr_all=0;
4000 //long rx_avg_pwr = 0;
4001 char rx_snrX, rx_evmX;
4002 u8 evm, pwdb_all;
4003 u32 RSSI, total_rssi=0;//, total_evm=0;
4004 // long signal_strength_index = 0;
4005 u8 is_cck_rate=0;
4006 u8 rf_rx_num = 0;
4007
4008 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4009
4010 // Record it for next packet processing
4011 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4012 pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4013 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4014 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
4015 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4016 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4017 /*2007.08.30 requested by SD3 Jerry */
4018 if (priv->phy_check_reg824 == 0)
4019 {
4020 priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv, rFPGA0_XA_HSSIParameter2, 0x200);
4021 priv->phy_check_reg824 = 1;
4022 }
4023
4024
4025 prxpkt = (u8*)pdrvinfo;
4026
4027 /* Move pointer to the 16th bytes. Phy status start address. */
4028 prxpkt += sizeof(rx_fwinfo_819x_pci);
4029
4030 /* Initial the cck and ofdm buffer pointer */
4031 pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
4032 pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
4033
4034 pstats->RxMIMOSignalQuality[0] = -1;
4035 pstats->RxMIMOSignalQuality[1] = -1;
4036 precord_stats->RxMIMOSignalQuality[0] = -1;
4037 precord_stats->RxMIMOSignalQuality[1] = -1;
4038
4039 if(is_cck_rate)
4040 {
4041 //
4042 // (1)Hardware does not provide RSSI for CCK
4043 //
4044
4045 //
4046 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4047 //
4048 u8 report;//, cck_agc_rpt;
4049
4050 if (!priv->phy_reg824_bit9)
4051 {
4052 report = pcck_buf->cck_agc_rpt & 0xc0;
4053 report = report>>6;
4054 switch(report)
4055 {
4056 //Fixed by Jacken from Bryant 2008-03-20
4057 //Original value is -38 , -26 , -14 , -2
4058 //Fixed value is -35 , -23 , -11 , 6
4059 case 0x3:
4060 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4061 break;
4062 case 0x2:
4063 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4064 break;
4065 case 0x1:
4066 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4067 break;
4068 case 0x0:
4069 rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
4070 break;
4071 }
4072 }
4073 else
4074 {
4075 report = pcck_buf->cck_agc_rpt & 0x60;
4076 report = report>>5;
4077 switch(report)
4078 {
4079 case 0x3:
4080 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4081 break;
4082 case 0x2:
4083 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4084 break;
4085 case 0x1:
4086 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4087 break;
4088 case 0x0:
4089 rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4090 break;
4091 }
4092 }
4093
4094 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4095 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4096 pstats->RecvSignalPower = rx_pwr_all;
4097
4098 //
4099 // (3) Get Signal Quality (EVM)
4100 //
4101 if(bpacket_match_bssid)
4102 {
4103 u8 sq;
4104
4105 if(pstats->RxPWDBAll > 40)
4106 {
4107 sq = 100;
4108 }else
4109 {
4110 sq = pcck_buf->sq_rpt;
4111
4112 if(pcck_buf->sq_rpt > 64)
4113 sq = 0;
4114 else if (pcck_buf->sq_rpt < 20)
4115 sq = 100;
4116 else
4117 sq = ((64-sq) * 100) / 44;
4118 }
4119 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4120 pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
4121 pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
4122 }
4123 }
4124 else
4125 {
4126 //
4127 // (1)Get RSSI for HT rate
4128 //
4129 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4130 {
4131 // 2008/01/30 MH we will judge RF RX path now.
4132 if (priv->brfpath_rxenable[i])
4133 rf_rx_num++;
4134 //else
4135 //continue;
4136
4137 //Fixed by Jacken from Bryant 2008-03-20
4138 //Original value is 106
4139 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
4140
4141 //Get Rx snr value in DB
4142 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4143 rx_snrX = (char)(tmp_rxsnr);
4144 rx_snrX /= 2;
4145
4146 /* Translate DBM to percentage. */
4147 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4148 if (priv->brfpath_rxenable[i])
4149 total_rssi += RSSI;
4150
4151 /* Record Signal Strength for next packet */
4152 if(bpacket_match_bssid)
4153 {
4154 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
4155 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
4156 }
4157 }
4158
4159
4160 //
4161 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4162 //
4163 //Fixed by Jacken from Bryant 2008-03-20
4164 //Original value is 106
4165 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
4166 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4167
4168 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4169 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4170 pstats->RecvSignalPower = rx_pwr_all;
4171 //
4172 // (3)EVM of HT rate
4173 //
4174 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
4175 pdrvinfo->RxRate<=DESC90_RATEMCS15)
4176 max_spatial_stream = 2; //both spatial stream make sense
4177 else
4178 max_spatial_stream = 1; //only spatial stream 1 makes sense
4179
4180 for(i=0; i<max_spatial_stream; i++)
4181 {
4182 tmp_rxevm = pofdm_buf->rxevm_X[i];
4183 rx_evmX = (char)(tmp_rxevm);
4184
4185 // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
4186 // fill most significant bit to "zero" when doing shifting operation which may change a negative
4187 // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
4188 rx_evmX /= 2; //dbm
4189
4190 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4191 if(bpacket_match_bssid)
4192 {
4193 if(i==0) // Fill value in RFD, Get the first spatial stream only
4194 pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
4195 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
4196 }
4197 }
4198
4199
4200 /* record rx statistics for debug */
4201 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4202 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
4203 }
4204
4205 //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
4206 //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
4207 if(is_cck_rate)
4208 {
4209 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
4210
4211 }
4212 else
4213 {
4214 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
4215 // We can judge RX path number now.
4216 if (rf_rx_num != 0)
4217 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
4218 }
4219 }
4220
4221 static void
4222 rtl8192_record_rxdesc_forlateruse(
4223 struct ieee80211_rx_stats * psrc_stats,
4224 struct ieee80211_rx_stats * ptarget_stats
4225 )
4226 {
4227 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4228 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4229 }
4230
4231
4232
4233 static void TranslateRxSignalStuff819xpci(struct r8192_priv *priv,
4234 struct sk_buff *skb,
4235 struct ieee80211_rx_stats * pstats,
4236 prx_desc_819x_pci pdesc,
4237 prx_fwinfo_819x_pci pdrvinfo)
4238 {
4239 // TODO: We must only check packet for current MAC address. Not finish
4240 bool bpacket_match_bssid, bpacket_toself;
4241 bool bPacketBeacon=false, bToSelfBA=false;
4242 struct ieee80211_hdr_3addr *hdr;
4243 u16 fc,type;
4244
4245 // Get Signal Quality for only RX data queue (but not command queue)
4246
4247 u8* tmp_buf;
4248 u8 *praddr;
4249
4250 /* Get MAC frame start address. */
4251 tmp_buf = skb->data;
4252
4253 hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
4254 fc = le16_to_cpu(hdr->frame_ctl);
4255 type = WLAN_FC_GET_TYPE(fc);
4256 praddr = hdr->addr1;
4257
4258 /* Check if the received packet is acceptabe. */
4259 bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
4260 (!compare_ether_addr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
4261 && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
4262 bpacket_toself = bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr));
4263
4264 if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
4265 {
4266 bPacketBeacon = true;
4267 }
4268 if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
4269 {
4270 if (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr))
4271 bToSelfBA = true;
4272 }
4273
4274 //
4275 // Process PHY information for previous packet (RSSI/PWDB/EVM)
4276 //
4277 // Because phy information is contained in the last packet of AMPDU only, so driver
4278 // should process phy information of previous packet
4279 rtl8192_process_phyinfo(priv, tmp_buf, &priv->previous_stats, pstats);
4280 rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid,
4281 bpacket_toself ,bPacketBeacon, bToSelfBA);
4282 rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats);
4283
4284 }
4285
4286
4287 static void rtl8192_tx_resume(struct r8192_priv *priv)
4288 {
4289 struct ieee80211_device *ieee = priv->ieee80211;
4290 struct sk_buff *skb;
4291 int i;
4292
4293 for (i = BK_QUEUE; i < TXCMD_QUEUE; i++) {
4294 while ((!skb_queue_empty(&ieee->skb_waitQ[i])) &&
4295 (priv->ieee80211->check_nic_enough_desc(ieee, i) > 0)) {
4296 /* 1. dequeue the packet from the wait queue */
4297 skb = skb_dequeue(&ieee->skb_waitQ[i]);
4298 /* 2. tx the packet directly */
4299 ieee->softmac_data_hard_start_xmit(skb, ieee, 0);
4300 }
4301 }
4302 }
4303
4304 static void rtl8192_irq_tx_tasklet(unsigned long arg)
4305 {
4306 struct r8192_priv *priv = (struct r8192_priv*) arg;
4307 struct rtl8192_tx_ring *mgnt_ring = &priv->tx_ring[MGNT_QUEUE];
4308 unsigned long flags;
4309
4310 /* check if we need to report that the management queue is drained */
4311 spin_lock_irqsave(&priv->irq_th_lock, flags);
4312
4313 if (!skb_queue_len(&mgnt_ring->queue) &&
4314 priv->ieee80211->ack_tx_to_ieee &&
4315 rtl8192_is_tx_queue_empty(priv->ieee80211)) {
4316 priv->ieee80211->ack_tx_to_ieee = 0;
4317 ieee80211_ps_tx_ack(priv->ieee80211, 1);
4318 }
4319
4320 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4321
4322 rtl8192_tx_resume(priv);
4323 }
4324
4325 /* Record the received data rate */
4326 static void UpdateReceivedRateHistogramStatistics8190(
4327 struct r8192_priv *priv,
4328 struct ieee80211_rx_stats* pstats
4329 )
4330 {
4331 u32 rcvType=1; //0: Total, 1:OK, 2:CRC, 3:ICV
4332 u32 rateIndex;
4333 u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
4334
4335 if(pstats->bCRC)
4336 rcvType = 2;
4337 else if(pstats->bICV)
4338 rcvType = 3;
4339
4340 if(pstats->bShortPreamble)
4341 preamble_guardinterval = 1;// short
4342 else
4343 preamble_guardinterval = 0;// long
4344
4345 switch(pstats->rate)
4346 {
4347 //
4348 // CCK rate
4349 //
4350 case MGN_1M: rateIndex = 0; break;
4351 case MGN_2M: rateIndex = 1; break;
4352 case MGN_5_5M: rateIndex = 2; break;
4353 case MGN_11M: rateIndex = 3; break;
4354 //
4355 // Legacy OFDM rate
4356 //
4357 case MGN_6M: rateIndex = 4; break;
4358 case MGN_9M: rateIndex = 5; break;
4359 case MGN_12M: rateIndex = 6; break;
4360 case MGN_18M: rateIndex = 7; break;
4361 case MGN_24M: rateIndex = 8; break;
4362 case MGN_36M: rateIndex = 9; break;
4363 case MGN_48M: rateIndex = 10; break;
4364 case MGN_54M: rateIndex = 11; break;
4365 //
4366 // 11n High throughput rate
4367 //
4368 case MGN_MCS0: rateIndex = 12; break;
4369 case MGN_MCS1: rateIndex = 13; break;
4370 case MGN_MCS2: rateIndex = 14; break;
4371 case MGN_MCS3: rateIndex = 15; break;
4372 case MGN_MCS4: rateIndex = 16; break;
4373 case MGN_MCS5: rateIndex = 17; break;
4374 case MGN_MCS6: rateIndex = 18; break;
4375 case MGN_MCS7: rateIndex = 19; break;
4376 case MGN_MCS8: rateIndex = 20; break;
4377 case MGN_MCS9: rateIndex = 21; break;
4378 case MGN_MCS10: rateIndex = 22; break;
4379 case MGN_MCS11: rateIndex = 23; break;
4380 case MGN_MCS12: rateIndex = 24; break;
4381 case MGN_MCS13: rateIndex = 25; break;
4382 case MGN_MCS14: rateIndex = 26; break;
4383 case MGN_MCS15: rateIndex = 27; break;
4384 default: rateIndex = 28; break;
4385 }
4386 priv->stats.received_rate_histogram[0][rateIndex]++; //total
4387 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4388 }
4389
4390 static void rtl8192_rx(struct r8192_priv *priv)
4391 {
4392 struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
4393 bool unicast_packet = false;
4394 struct ieee80211_rx_stats stats = {
4395 .signal = 0,
4396 .noise = -98,
4397 .rate = 0,
4398 .freq = IEEE80211_24GHZ_BAND,
4399 };
4400 unsigned int count = priv->rxringcount;
4401 prx_fwinfo_819x_pci pDrvInfo = NULL;
4402 struct sk_buff *new_skb;
4403
4404 while (count--) {
4405 rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
4406 struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
4407
4408 if (pdesc->OWN)
4409 /* wait data to be filled by hardware */
4410 return;
4411
4412 stats.bICV = pdesc->ICV;
4413 stats.bCRC = pdesc->CRC32;
4414 stats.bHwError = pdesc->CRC32 | pdesc->ICV;
4415
4416 stats.Length = pdesc->Length;
4417 if(stats.Length < 24)
4418 stats.bHwError |= 1;
4419
4420 if(stats.bHwError) {
4421 stats.bShift = false;
4422 goto done;
4423 }
4424 pDrvInfo = NULL;
4425 new_skb = dev_alloc_skb(priv->rxbuffersize);
4426
4427 if (unlikely(!new_skb))
4428 goto done;
4429
4430 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
4431 stats.RxBufShift = ((pdesc->Shift)&0x03);
4432 stats.Decrypted = !pdesc->SWDec;
4433
4434 pci_dma_sync_single_for_cpu(priv->pdev,
4435 *((dma_addr_t *)skb->cb),
4436 priv->rxbuffersize,
4437 PCI_DMA_FROMDEVICE);
4438 skb_put(skb, pdesc->Length);
4439 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
4440 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
4441
4442 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
4443 stats.bShortPreamble = pDrvInfo->SPLCP;
4444
4445 /* it is debug only. It should be disabled in released driver.
4446 * 2007.1.11 by Emily
4447 * */
4448 UpdateReceivedRateHistogramStatistics8190(priv, &stats);
4449
4450 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
4451 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
4452
4453 stats.TimeStampLow = pDrvInfo->TSFL;
4454 stats.TimeStampHigh = read_nic_dword(priv, TSFR+4);
4455
4456 UpdateRxPktTimeStamp8190(priv, &stats);
4457
4458 //
4459 // Get Total offset of MPDU Frame Body
4460 //
4461 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
4462 stats.bShift = 1;
4463
4464 /* ???? */
4465 TranslateRxSignalStuff819xpci(priv, skb, &stats, pdesc, pDrvInfo);
4466
4467 /* Rx A-MPDU */
4468 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
4469 RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
4470 pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
4471 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4472 /* rx packets statistics */
4473 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
4474 unicast_packet = false;
4475
4476 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4477 //TODO
4478 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
4479 //TODO
4480 }else {
4481 /* unicast packet */
4482 unicast_packet = true;
4483 }
4484
4485 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
4486 dev_kfree_skb_any(skb);
4487 } else {
4488 priv->stats.rxok++;
4489 if(unicast_packet) {
4490 priv->stats.rxbytesunicast += skb->len;
4491 }
4492 }
4493
4494 pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb),
4495 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4496
4497 skb = new_skb;
4498 priv->rx_buf[priv->rx_idx] = skb;
4499 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4500
4501 done:
4502 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
4503 pdesc->OWN = 1;
4504 pdesc->Length = priv->rxbuffersize;
4505 if (priv->rx_idx == priv->rxringcount-1)
4506 pdesc->EOR = 1;
4507 priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
4508 }
4509
4510 }
4511
4512 static void rtl8192_irq_rx_tasklet(unsigned long arg)
4513 {
4514 struct r8192_priv *priv = (struct r8192_priv*) arg;
4515 rtl8192_rx(priv);
4516 /* unmask RDU */
4517 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) | IMR_RDU);
4518 }
4519
4520 static const struct net_device_ops rtl8192_netdev_ops = {
4521 .ndo_open = rtl8192_open,
4522 .ndo_stop = rtl8192_close,
4523 .ndo_tx_timeout = tx_timeout,
4524 .ndo_do_ioctl = rtl8192_ioctl,
4525 .ndo_set_multicast_list = r8192_set_multicast,
4526 .ndo_set_mac_address = r8192_set_mac_adr,
4527 .ndo_start_xmit = ieee80211_rtl_xmit,
4528 };
4529
4530 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
4531 const struct pci_device_id *id)
4532 {
4533 struct net_device *dev = NULL;
4534 struct r8192_priv *priv= NULL;
4535 u8 unit = 0;
4536 int ret = -ENODEV;
4537 unsigned long pmem_start, pmem_len, pmem_flags;
4538
4539 RT_TRACE(COMP_INIT,"Configuring chip resources\n");
4540
4541 if( pci_enable_device (pdev) ){
4542 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
4543 return -EIO;
4544 }
4545
4546 pci_set_master(pdev);
4547 //pci_set_wmi(pdev);
4548 pci_set_dma_mask(pdev, 0xffffff00ULL);
4549 pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
4550 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4551 if (!dev) {
4552 ret = -ENOMEM;
4553 goto fail_free;
4554 }
4555
4556 pci_set_drvdata(pdev, dev);
4557 SET_NETDEV_DEV(dev, &pdev->dev);
4558 priv = ieee80211_priv(dev);
4559 priv->ieee80211 = netdev_priv(dev);
4560 priv->pdev=pdev;
4561 if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
4562 priv->ieee80211->bSupportRemoteWakeUp = 1;
4563 } else
4564 {
4565 priv->ieee80211->bSupportRemoteWakeUp = 0;
4566 }
4567
4568 pmem_start = pci_resource_start(pdev, 1);
4569 pmem_len = pci_resource_len(pdev, 1);
4570 pmem_flags = pci_resource_flags (pdev, 1);
4571
4572 if (!(pmem_flags & IORESOURCE_MEM)) {
4573 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting\n");
4574 goto fail;
4575 }
4576
4577 //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
4578 if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
4579 RT_TRACE(COMP_ERR,"request_mem_region failed!\n");
4580 goto fail;
4581 }
4582
4583 priv->mem_start = ioremap_nocache(pmem_start, pmem_len);
4584 if (!priv->mem_start) {
4585 RT_TRACE(COMP_ERR,"ioremap failed!\n");
4586 goto fail1;
4587 }
4588
4589 dev->mem_start = (unsigned long) priv->mem_start;
4590 dev->mem_end = (unsigned long) (priv->mem_start +
4591 pci_resource_len(pdev, 0));
4592
4593 /* We disable the RETRY_TIMEOUT register (0x41) to keep
4594 * PCI Tx retries from interfering with C3 CPU state */
4595 pci_write_config_byte(pdev, 0x41, 0x00);
4596
4597
4598 pci_read_config_byte(pdev, 0x05, &unit);
4599 pci_write_config_byte(pdev, 0x05, unit & (~0x04));
4600
4601 dev->irq = pdev->irq;
4602 priv->irq = 0;
4603
4604 dev->netdev_ops = &rtl8192_netdev_ops;
4605
4606 dev->wireless_handlers = &r8192_wx_handlers_def;
4607 dev->type=ARPHRD_ETHER;
4608
4609 dev->watchdog_timeo = HZ*3;
4610
4611 if (dev_alloc_name(dev, ifname) < 0){
4612 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
4613 strcpy(ifname, "wlan%d");
4614 dev_alloc_name(dev, ifname);
4615 }
4616
4617 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4618 if (rtl8192_init(priv)!=0) {
4619 RT_TRACE(COMP_ERR, "Initialization failed\n");
4620 goto fail;
4621 }
4622
4623 register_netdev(dev);
4624 RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
4625 rtl8192_proc_init_one(priv);
4626
4627
4628 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4629 return 0;
4630
4631 fail1:
4632
4633 if (priv->mem_start) {
4634 iounmap(priv->mem_start);
4635 release_mem_region( pci_resource_start(pdev, 1),
4636 pci_resource_len(pdev, 1) );
4637 }
4638
4639 fail:
4640 if(dev){
4641
4642 if (priv->irq) {
4643 free_irq(priv->irq, priv);
4644 priv->irq = 0;
4645 }
4646 free_ieee80211(dev);
4647 }
4648
4649 fail_free:
4650 pci_disable_device(pdev);
4651
4652 DMESG("wlan driver load failed\n");
4653 pci_set_drvdata(pdev, NULL);
4654 return ret;
4655
4656 }
4657
4658 /* detach all the work and timer structure declared or inititialized
4659 * in r8192_init function.
4660 * */
4661 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
4662 {
4663 /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
4664 * is or is newer than 2.6.20 and work structure is defined to be struct work_struct.
4665 * Otherwise call cancel_delayed_work is enough.
4666 * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
4667 * */
4668 cancel_delayed_work(&priv->watch_dog_wq);
4669 cancel_delayed_work(&priv->update_beacon_wq);
4670 cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
4671 cancel_delayed_work(&priv->gpio_change_rf_wq);
4672 cancel_work_sync(&priv->reset_wq);
4673 cancel_work_sync(&priv->qos_activate);
4674 }
4675
4676
4677 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
4678 {
4679 struct net_device *dev = pci_get_drvdata(pdev);
4680 struct r8192_priv *priv ;
4681 u32 i;
4682
4683 if (dev) {
4684
4685 unregister_netdev(dev);
4686
4687 priv = ieee80211_priv(dev);
4688
4689 rtl8192_proc_remove_one(priv);
4690
4691 rtl8192_down(dev);
4692 if (priv->pFirmware)
4693 {
4694 vfree(priv->pFirmware);
4695 priv->pFirmware = NULL;
4696 }
4697 destroy_workqueue(priv->priv_wq);
4698
4699 /* free tx/rx rings */
4700 rtl8192_free_rx_ring(priv);
4701 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
4702 rtl8192_free_tx_ring(priv, i);
4703
4704 if (priv->irq) {
4705 printk("Freeing irq %d\n", priv->irq);
4706 free_irq(priv->irq, priv);
4707 priv->irq = 0;
4708 }
4709
4710 if (priv->mem_start) {
4711 iounmap(priv->mem_start);
4712 release_mem_region( pci_resource_start(pdev, 1),
4713 pci_resource_len(pdev, 1) );
4714 }
4715
4716 free_ieee80211(dev);
4717 }
4718
4719 pci_disable_device(pdev);
4720 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
4721 }
4722
4723 extern int ieee80211_rtl_init(void);
4724 extern void ieee80211_rtl_exit(void);
4725
4726 static int __init rtl8192_pci_module_init(void)
4727 {
4728 int retval;
4729
4730 retval = ieee80211_rtl_init();
4731 if (retval)
4732 return retval;
4733
4734 printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
4735 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
4736 RT_TRACE(COMP_INIT, "Initializing module\n");
4737 rtl8192_proc_module_init();
4738 if(0!=pci_register_driver(&rtl8192_pci_driver))
4739 {
4740 DMESG("No device found");
4741 /*pci_unregister_driver (&rtl8192_pci_driver);*/
4742 return -ENODEV;
4743 }
4744 return 0;
4745 }
4746
4747
4748 static void __exit rtl8192_pci_module_exit(void)
4749 {
4750 pci_unregister_driver(&rtl8192_pci_driver);
4751
4752 RT_TRACE(COMP_DOWN, "Exiting\n");
4753 rtl8192_proc_module_remove();
4754 ieee80211_rtl_exit();
4755 }
4756
4757 static irqreturn_t rtl8192_interrupt(int irq, void *param)
4758 {
4759 struct r8192_priv *priv = param;
4760 struct net_device *dev = priv->ieee80211->dev;
4761 unsigned long flags;
4762 u32 inta;
4763 irqreturn_t ret = IRQ_HANDLED;
4764
4765 spin_lock_irqsave(&priv->irq_th_lock, flags);
4766
4767 /* ISR: 4bytes */
4768
4769 inta = read_nic_dword(priv, ISR); /* & priv->IntrMask; */
4770 write_nic_dword(priv, ISR, inta); /* reset int situation */
4771
4772 if (!inta) {
4773 /*
4774 * most probably we can safely return IRQ_NONE,
4775 * but for now is better to avoid problems
4776 */
4777 goto out_unlock;
4778 }
4779
4780 if (inta == 0xffff) {
4781 /* HW disappared */
4782 goto out_unlock;
4783 }
4784
4785 if (!netif_running(dev))
4786 goto out_unlock;
4787
4788 if (inta & IMR_TBDOK) {
4789 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4790 rtl8192_tx_isr(priv, BEACON_QUEUE);
4791 priv->stats.txbeaconokint++;
4792 }
4793
4794 if (inta & IMR_TBDER) {
4795 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4796 rtl8192_tx_isr(priv, BEACON_QUEUE);
4797 priv->stats.txbeaconerr++;
4798 }
4799
4800 if (inta & IMR_MGNTDOK ) {
4801 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
4802 priv->stats.txmanageokint++;
4803 rtl8192_tx_isr(priv, MGNT_QUEUE);
4804 }
4805
4806 if (inta & IMR_COMDOK)
4807 {
4808 priv->stats.txcmdpktokint++;
4809 rtl8192_tx_isr(priv, TXCMD_QUEUE);
4810 }
4811
4812 if (inta & IMR_ROK) {
4813 priv->stats.rxint++;
4814 tasklet_schedule(&priv->irq_rx_tasklet);
4815 }
4816
4817 if (inta & IMR_BcnInt) {
4818 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
4819 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
4820 }
4821
4822 if (inta & IMR_RDU) {
4823 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
4824 priv->stats.rxrdu++;
4825 /* reset int situation */
4826 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) & ~IMR_RDU);
4827 tasklet_schedule(&priv->irq_rx_tasklet);
4828 }
4829
4830 if (inta & IMR_RXFOVW) {
4831 RT_TRACE(COMP_INTR, "rx overflow !\n");
4832 priv->stats.rxoverflow++;
4833 tasklet_schedule(&priv->irq_rx_tasklet);
4834 }
4835
4836 if (inta & IMR_TXFOVW)
4837 priv->stats.txoverflow++;
4838
4839 if (inta & IMR_BKDOK) {
4840 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
4841 priv->stats.txbkokint++;
4842 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4843 rtl8192_tx_isr(priv, BK_QUEUE);
4844 }
4845
4846 if (inta & IMR_BEDOK) {
4847 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
4848 priv->stats.txbeokint++;
4849 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4850 rtl8192_tx_isr(priv, BE_QUEUE);
4851 }
4852
4853 if (inta & IMR_VIDOK) {
4854 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
4855 priv->stats.txviokint++;
4856 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4857 rtl8192_tx_isr(priv, VI_QUEUE);
4858 }
4859
4860 if (inta & IMR_VODOK) {
4861 priv->stats.txvookint++;
4862 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4863 rtl8192_tx_isr(priv, VO_QUEUE);
4864 }
4865
4866 out_unlock:
4867 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4868
4869 return ret;
4870 }
4871
4872 void EnableHWSecurityConfig8192(struct r8192_priv *priv)
4873 {
4874 u8 SECR_value = 0x0;
4875 struct ieee80211_device* ieee = priv->ieee80211;
4876
4877 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
4878
4879 if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
4880 {
4881 SECR_value |= SCR_RxUseDK;
4882 SECR_value |= SCR_TxUseDK;
4883 }
4884 else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
4885 {
4886 SECR_value |= SCR_RxUseDK;
4887 SECR_value |= SCR_TxUseDK;
4888 }
4889
4890 //add HWSec active enable here.
4891 //default using hwsec. when peer AP is in N mode only and pairwise_key_type is none_aes(which HT_IOT_ACT_PURE_N_MODE indicates it), use software security. when peer AP is in b,g,n mode mixed and pairwise_key_type is none_aes, use g mode hw security. WB on 2008.7.4
4892 ieee->hwsec_active = 1;
4893
4894 if ((ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE) || !hwwep)//!ieee->hwsec_support) //add hwsec_support flag to totol control hw_sec on/off
4895 {
4896 ieee->hwsec_active = 0;
4897 SECR_value &= ~SCR_RxDecEnable;
4898 }
4899
4900 RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__,
4901 ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
4902 {
4903 write_nic_byte(priv, SECR, SECR_value);//SECR_value | SCR_UseDK );
4904 }
4905
4906 }
4907 #define TOTAL_CAM_ENTRY 32
4908 //#define CAM_CONTENT_COUNT 8
4909 void setKey(struct r8192_priv *priv, u8 EntryNo, u8 KeyIndex, u16 KeyType,
4910 const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent)
4911 {
4912 u32 TargetCommand = 0;
4913 u32 TargetContent = 0;
4914 u16 usConfig = 0;
4915 u8 i;
4916 #ifdef ENABLE_IPS
4917 RT_RF_POWER_STATE rtState;
4918
4919 rtState = priv->eRFPowerState;
4920 if (priv->PowerSaveControl.bInactivePs){
4921 if(rtState == eRfOff){
4922 if(priv->RfOffReason > RF_CHANGE_BY_IPS)
4923 {
4924 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
4925 //up(&priv->wx_sem);
4926 return ;
4927 }
4928 else{
4929 down(&priv->ieee80211->ips_sem);
4930 IPSLeave(priv);
4931 up(&priv->ieee80211->ips_sem);
4932 }
4933 }
4934 }
4935 priv->ieee80211->is_set_key = true;
4936 #endif
4937 if (EntryNo >= TOTAL_CAM_ENTRY)
4938 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
4939
4940 RT_TRACE(COMP_SEC, "====>to setKey(), priv:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", priv, EntryNo, KeyIndex, KeyType, MacAddr);
4941
4942 if (DefaultKey)
4943 usConfig |= BIT15 | (KeyType<<2);
4944 else
4945 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
4946 // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
4947
4948
4949 for(i=0 ; i<CAM_CONTENT_COUNT; i++){
4950 TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
4951 TargetCommand |= BIT31|BIT16;
4952
4953 if(i==0){//MAC|Config
4954 TargetContent = (u32)(*(MacAddr+0)) << 16|
4955 (u32)(*(MacAddr+1)) << 24|
4956 (u32)usConfig;
4957
4958 write_nic_dword(priv, WCAMI, TargetContent);
4959 write_nic_dword(priv, RWCAM, TargetCommand);
4960 }
4961 else if(i==1){//MAC
4962 TargetContent = (u32)(*(MacAddr+2)) |
4963 (u32)(*(MacAddr+3)) << 8|
4964 (u32)(*(MacAddr+4)) << 16|
4965 (u32)(*(MacAddr+5)) << 24;
4966 write_nic_dword(priv, WCAMI, TargetContent);
4967 write_nic_dword(priv, RWCAM, TargetCommand);
4968 }
4969 else { //Key Material
4970 if(KeyContent != NULL)
4971 {
4972 write_nic_dword(priv, WCAMI, (u32)(*(KeyContent+i-2)) );
4973 write_nic_dword(priv, RWCAM, TargetCommand);
4974 }
4975 }
4976 }
4977 RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
4978 }
4979
4980 bool NicIFEnableNIC(struct r8192_priv *priv)
4981 {
4982 RT_STATUS init_status = RT_STATUS_SUCCESS;
4983 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
4984
4985 //YJ,add,091109
4986 if (priv->up == 0){
4987 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
4988 priv->bdisable_nic = false; //YJ,add,091111
4989 return false;
4990 }
4991 // <1> Reset memory: descriptor, buffer,..
4992 //NicIFResetMemory(Adapter);
4993
4994 // <2> Enable Adapter
4995 //priv->bfirst_init = true;
4996 init_status = rtl8192_adapter_start(priv);
4997 if (init_status != RT_STATUS_SUCCESS) {
4998 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
4999 priv->bdisable_nic = false; //YJ,add,091111
5000 return -1;
5001 }
5002 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
5003 //priv->bfirst_init = false;
5004
5005 // <3> Enable Interrupt
5006 rtl8192_irq_enable(priv);
5007 priv->bdisable_nic = false;
5008
5009 return (init_status == RT_STATUS_SUCCESS);
5010 }
5011
5012 bool NicIFDisableNIC(struct r8192_priv *priv)
5013 {
5014 bool status = true;
5015 u8 tmp_state = 0;
5016 // <1> Disable Interrupt
5017
5018 priv->bdisable_nic = true; //YJ,move,091109
5019 tmp_state = priv->ieee80211->state;
5020
5021 ieee80211_softmac_stop_protocol(priv->ieee80211, false);
5022
5023 priv->ieee80211->state = tmp_state;
5024 rtl8192_cancel_deferred_work(priv);
5025 rtl8192_irq_disable(priv);
5026 // <2> Stop all timer
5027
5028 // <3> Disable Adapter
5029 rtl8192_halt_adapter(priv, false);
5030 // priv->bdisable_nic = true;
5031
5032 return status;
5033 }
5034
5035 module_init(rtl8192_pci_module_init);
5036 module_exit(rtl8192_pci_module_exit);
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