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[deliverable/linux.git] / drivers / staging / rtl8192e / r8192E_core.c
1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 * Linux device driver for RTL8190P / 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 #undef RX_DONT_PASS_UL
29 #undef DEBUG_EPROM
30 #undef DEBUG_RX_VERBOSE
31 #undef DUMMY_RX
32 #undef DEBUG_ZERO_RX
33 #undef DEBUG_RX_SKB
34 #undef DEBUG_TX_FRAG
35 #undef DEBUG_RX_FRAG
36 #undef DEBUG_TX_FILLDESC
37 #undef DEBUG_TX
38 #undef DEBUG_IRQ
39 #undef DEBUG_RX
40 #undef DEBUG_RXALLOC
41 #undef DEBUG_REGISTERS
42 #undef DEBUG_RING
43 #undef DEBUG_IRQ_TASKLET
44 #undef DEBUG_TX_ALLOC
45 #undef DEBUG_TX_DESC
46
47 //#define CONFIG_RTL8192_IO_MAP
48 #include <linux/vmalloc.h>
49 #include <linux/slab.h>
50 #include <asm/uaccess.h>
51 #include "r8192E_hw.h"
52 #include "r8192E.h"
53 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
54 #include "r8180_93cx6.h" /* Card EEPROM */
55 #include "r8192E_wx.h"
56 #include "r819xE_phy.h" //added by WB 4.30.2008
57 #include "r819xE_phyreg.h"
58 #include "r819xE_cmdpkt.h"
59 #include "r8192E_dm.h"
60
61 #ifdef CONFIG_PM
62 #include "r8192_pm.h"
63 #endif
64
65 #ifdef ENABLE_DOT11D
66 #include "ieee80211/dot11d.h"
67 #endif
68
69 //set here to open your trace code. //WB
70 u32 rt_global_debug_component =
71 // COMP_INIT |
72 // COMP_EPROM |
73 // COMP_PHY |
74 // COMP_RF |
75 // COMP_FIRMWARE |
76 // COMP_TRACE |
77 // COMP_DOWN |
78 // COMP_SWBW |
79 // COMP_SEC |
80 // COMP_QOS |
81 // COMP_RATE |
82 // COMP_RECV |
83 // COMP_SEND |
84 // COMP_POWER |
85 // COMP_EVENTS |
86 // COMP_RESET |
87 // COMP_CMDPKT |
88 // COMP_POWER_TRACKING |
89 // COMP_INTR |
90 COMP_ERR ; //always open err flags on
91
92 static DEFINE_PCI_DEVICE_TABLE(rtl8192_pci_id_tbl) = {
93 #ifdef RTL8190P
94 /* Realtek */
95 /* Dlink */
96 { PCI_DEVICE(0x10ec, 0x8190) },
97 /* Corega */
98 { PCI_DEVICE(0x07aa, 0x0045) },
99 { PCI_DEVICE(0x07aa, 0x0046) },
100 #else
101 /* Realtek */
102 { PCI_DEVICE(0x10ec, 0x8192) },
103
104 /* Corega */
105 { PCI_DEVICE(0x07aa, 0x0044) },
106 { PCI_DEVICE(0x07aa, 0x0047) },
107 #endif
108 {}
109 };
110
111 static char ifname[IFNAMSIZ] = "wlan%d";
112 static int hwwep = 1; //default use hw. set 0 to use software security
113 static int channels = 0x3fff;
114
115 MODULE_LICENSE("GPL");
116 MODULE_VERSION("V 1.1");
117 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
118 //MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
119 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
120
121
122 module_param_string(ifname, ifname, sizeof(ifname), S_IRUGO|S_IWUSR);
123 module_param(hwwep,int, S_IRUGO|S_IWUSR);
124 module_param(channels,int, S_IRUGO|S_IWUSR);
125
126 MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
127 MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards");
128 MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
129
130 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
131 const struct pci_device_id *id);
132 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
133
134 static struct pci_driver rtl8192_pci_driver = {
135 .name = RTL819xE_MODULE_NAME, /* Driver name */
136 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
137 .probe = rtl8192_pci_probe, /* probe fn */
138 .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
139 #ifdef CONFIG_PM
140 .suspend = rtl8192E_suspend, /* PM suspend fn */
141 .resume = rtl8192E_resume, /* PM resume fn */
142 #else
143 .suspend = NULL, /* PM suspend fn */
144 .resume = NULL, /* PM resume fn */
145 #endif
146 };
147
148 static void rtl8192_start_beacon(struct net_device *dev);
149 static void rtl8192_stop_beacon(struct net_device *dev);
150 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
151 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
152 static void rtl8192_irq_tx_tasklet(struct r8192_priv *priv);
153 static void rtl8192_prepare_beacon(struct r8192_priv *priv);
154 static irqreturn_t rtl8192_interrupt(int irq, void *netdev);
155 static void rtl819xE_tx_cmd(struct net_device *dev, struct sk_buff *skb);
156 static void rtl8192_update_ratr_table(struct net_device* dev);
157 static void rtl8192_restart(struct work_struct *work);
158 static void watch_dog_timer_callback(unsigned long data);
159 static int _rtl8192_up(struct net_device *dev);
160 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
161
162 #ifdef ENABLE_DOT11D
163
164 typedef struct _CHANNEL_LIST
165 {
166 u8 Channel[32];
167 u8 Len;
168 }CHANNEL_LIST, *PCHANNEL_LIST;
169
170 static const CHANNEL_LIST ChannelPlan[] = {
171 {{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
172 {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC
173 {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI
174 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI.
175 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI.
176 {{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
177 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
178 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel.
179 {{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
180 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC
181 {{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
182 };
183
184 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
185 {
186 int i, max_chan=-1, min_chan=-1;
187 struct ieee80211_device* ieee = priv->ieee80211;
188 switch (channel_plan)
189 {
190 case COUNTRY_CODE_FCC:
191 case COUNTRY_CODE_IC:
192 case COUNTRY_CODE_ETSI:
193 case COUNTRY_CODE_SPAIN:
194 case COUNTRY_CODE_FRANCE:
195 case COUNTRY_CODE_MKK:
196 case COUNTRY_CODE_MKK1:
197 case COUNTRY_CODE_ISRAEL:
198 case COUNTRY_CODE_TELEC:
199 case COUNTRY_CODE_MIC:
200 {
201 Dot11d_Init(ieee);
202 ieee->bGlobalDomain = false;
203 //acturally 8225 & 8256 rf chip only support B,G,24N mode
204 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256))
205 {
206 min_chan = 1;
207 max_chan = 14;
208 }
209 else
210 {
211 RT_TRACE(COMP_ERR, "unknown rf chip, can't set channel map in function:%s()\n", __FUNCTION__);
212 }
213 if (ChannelPlan[channel_plan].Len != 0){
214 // Clear old channel map
215 memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
216 // Set new channel map
217 for (i=0;i<ChannelPlan[channel_plan].Len;i++)
218 {
219 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
220 break;
221 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
222 }
223 }
224 break;
225 }
226 case COUNTRY_CODE_GLOBAL_DOMAIN:
227 {
228 GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
229 Dot11d_Reset(ieee);
230 ieee->bGlobalDomain = true;
231 break;
232 }
233 default:
234 break;
235 }
236 }
237 #endif
238
239 static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo)
240 {
241 return (pdrvinfo->RxRate == DESC90_RATE1M ||
242 pdrvinfo->RxRate == DESC90_RATE2M ||
243 pdrvinfo->RxRate == DESC90_RATE5_5M ||
244 pdrvinfo->RxRate == DESC90_RATE11M) &&
245 !pdrvinfo->RxHT;
246 }
247
248 void CamResetAllEntry(struct net_device *dev)
249 {
250 write_nic_dword(dev, RWCAM, BIT31|BIT30);
251 }
252
253
254 void write_cam(struct net_device *dev, u8 addr, u32 data)
255 {
256 write_nic_dword(dev, WCAMI, data);
257 write_nic_dword(dev, RWCAM, BIT31|BIT16|(addr&0xff) );
258 }
259 u32 read_cam(struct net_device *dev, u8 addr)
260 {
261 write_nic_dword(dev, RWCAM, 0x80000000|(addr&0xff) );
262 return read_nic_dword(dev, 0xa8);
263 }
264
265 #ifdef CONFIG_RTL8180_IO_MAP
266
267 u8 read_nic_byte(struct net_device *dev, int x)
268 {
269 return 0xff&inb(dev->base_addr +x);
270 }
271
272 u32 read_nic_dword(struct net_device *dev, int x)
273 {
274 return inl(dev->base_addr +x);
275 }
276
277 u16 read_nic_word(struct net_device *dev, int x)
278 {
279 return inw(dev->base_addr +x);
280 }
281
282 void write_nic_byte(struct net_device *dev, int x,u8 y)
283 {
284 outb(y&0xff,dev->base_addr +x);
285 }
286
287 void write_nic_word(struct net_device *dev, int x,u16 y)
288 {
289 outw(y,dev->base_addr +x);
290 }
291
292 void write_nic_dword(struct net_device *dev, int x,u32 y)
293 {
294 outl(y,dev->base_addr +x);
295 }
296
297 #else /* RTL_IO_MAP */
298
299 u8 read_nic_byte(struct net_device *dev, int x)
300 {
301 return 0xff&readb((u8*)dev->mem_start +x);
302 }
303
304 u32 read_nic_dword(struct net_device *dev, int x)
305 {
306 return readl((u8*)dev->mem_start +x);
307 }
308
309 u16 read_nic_word(struct net_device *dev, int x)
310 {
311 return readw((u8*)dev->mem_start +x);
312 }
313
314 void write_nic_byte(struct net_device *dev, int x,u8 y)
315 {
316 writeb(y,(u8*)dev->mem_start +x);
317 udelay(20);
318 }
319
320 void write_nic_dword(struct net_device *dev, int x,u32 y)
321 {
322 writel(y,(u8*)dev->mem_start +x);
323 udelay(20);
324 }
325
326 void write_nic_word(struct net_device *dev, int x,u16 y)
327 {
328 writew(y,(u8*)dev->mem_start +x);
329 udelay(20);
330 }
331
332 #endif /* RTL_IO_MAP */
333
334 u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
335 {
336 static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
337 static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
338 int wpa_ie_len= ieee->wpa_ie_len;
339 struct ieee80211_crypt_data* crypt;
340 int encrypt;
341
342 crypt = ieee->crypt[ieee->tx_keyidx];
343
344 encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||
345 (ieee->host_encrypt && crypt && crypt->ops &&
346 (0 == strcmp(crypt->ops->name,"WEP")));
347
348 /* simply judge */
349 if(encrypt && (wpa_ie_len == 0)) {
350 // wep encryption, no N mode setting */
351 return SEC_ALG_WEP;
352 } else if((wpa_ie_len != 0)) {
353 // parse pairwise key type */
354 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
355 ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
356 return SEC_ALG_CCMP;
357 else
358 return SEC_ALG_TKIP;
359 } else {
360 return SEC_ALG_NONE;
361 }
362 }
363
364 void
365 rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val)
366 {
367 struct r8192_priv* priv = ieee80211_priv(dev);
368
369 switch(variable)
370 {
371
372 case HW_VAR_BSSID:
373 write_nic_dword(dev, BSSIDR, ((u32*)(val))[0]);
374 write_nic_word(dev, BSSIDR+2, ((u16*)(val+2))[0]);
375 break;
376
377 case HW_VAR_MEDIA_STATUS:
378 {
379 RT_OP_MODE OpMode = *((RT_OP_MODE *)(val));
380 u8 btMsr = read_nic_byte(dev, MSR);
381
382 btMsr &= 0xfc;
383
384 switch(OpMode)
385 {
386 case RT_OP_MODE_INFRASTRUCTURE:
387 btMsr |= MSR_INFRA;
388 break;
389
390 case RT_OP_MODE_IBSS:
391 btMsr |= MSR_ADHOC;
392 break;
393
394 case RT_OP_MODE_AP:
395 btMsr |= MSR_AP;
396 break;
397
398 default:
399 btMsr |= MSR_NOLINK;
400 break;
401 }
402
403 write_nic_byte(dev, MSR, btMsr);
404 }
405 break;
406
407 case HW_VAR_CHECK_BSSID:
408 {
409 u32 RegRCR, Type;
410
411 Type = ((u8*)(val))[0];
412 RegRCR = read_nic_dword(dev,RCR);
413 priv->ReceiveConfig = RegRCR;
414
415 if (Type == true)
416 RegRCR |= (RCR_CBSSID);
417 else if (Type == false)
418 RegRCR &= (~RCR_CBSSID);
419
420 write_nic_dword(dev, RCR,RegRCR);
421 priv->ReceiveConfig = RegRCR;
422
423 }
424 break;
425
426 case HW_VAR_SLOT_TIME:
427 {
428 priv->slot_time = val[0];
429 write_nic_byte(dev, SLOT_TIME, val[0]);
430
431 }
432 break;
433
434 case HW_VAR_ACK_PREAMBLE:
435 {
436 u32 regTmp = 0;
437 priv->short_preamble = (bool)(*(u8*)val );
438 regTmp = priv->basic_rate;
439 if (priv->short_preamble)
440 regTmp |= BRSR_AckShortPmb;
441 write_nic_dword(dev, RRSR, regTmp);
442 }
443 break;
444
445 case HW_VAR_CPU_RST:
446 write_nic_dword(dev, CPU_GEN, ((u32*)(val))[0]);
447 break;
448
449 default:
450 break;
451 }
452
453 }
454
455 static struct proc_dir_entry *rtl8192_proc = NULL;
456
457 static int proc_get_stats_ap(char *page, char **start,
458 off_t offset, int count,
459 int *eof, void *data)
460 {
461 struct net_device *dev = data;
462 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
463 struct ieee80211_device *ieee = priv->ieee80211;
464 struct ieee80211_network *target;
465 int len = 0;
466
467 list_for_each_entry(target, &ieee->network_list, list) {
468
469 len += snprintf(page + len, count - len,
470 "%s ", target->ssid);
471
472 if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
473 len += snprintf(page + len, count - len,
474 "WPA\n");
475 }
476 else{
477 len += snprintf(page + len, count - len,
478 "non_WPA\n");
479 }
480
481 }
482
483 *eof = 1;
484 return len;
485 }
486
487 static int proc_get_registers(char *page, char **start,
488 off_t offset, int count,
489 int *eof, void *data)
490 {
491 struct net_device *dev = data;
492 int len = 0;
493 int i,n;
494 int max=0xff;
495
496 /* This dump the current register page */
497 len += snprintf(page + len, count - len,
498 "\n####################page 0##################\n ");
499
500 for(n=0;n<=max;)
501 {
502 len += snprintf(page + len, count - len,
503 "\nD: %2x > ",n);
504
505 for(i=0;i<16 && n<=max;i++,n++)
506 len += snprintf(page + len, count - len,
507 "%2x ",read_nic_byte(dev,n));
508 }
509 len += snprintf(page + len, count - len,"\n");
510 len += snprintf(page + len, count - len,
511 "\n####################page 1##################\n ");
512 for(n=0;n<=max;)
513 {
514 len += snprintf(page + len, count - len,
515 "\nD: %2x > ",n);
516
517 for(i=0;i<16 && n<=max;i++,n++)
518 len += snprintf(page + len, count - len,
519 "%2x ",read_nic_byte(dev,0x100|n));
520 }
521
522 len += snprintf(page + len, count - len,
523 "\n####################page 3##################\n ");
524 for(n=0;n<=max;)
525 {
526 len += snprintf(page + len, count - len,
527 "\nD: %2x > ",n);
528
529 for(i=0;i<16 && n<=max;i++,n++)
530 len += snprintf(page + len, count - len,
531 "%2x ",read_nic_byte(dev,0x300|n));
532 }
533
534 *eof = 1;
535 return len;
536
537 }
538
539 static int proc_get_stats_tx(char *page, char **start,
540 off_t offset, int count,
541 int *eof, void *data)
542 {
543 struct net_device *dev = data;
544 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
545
546 int len = 0;
547
548 len += snprintf(page + len, count - len,
549 "TX VI priority ok int: %lu\n"
550 // "TX VI priority error int: %lu\n"
551 "TX VO priority ok int: %lu\n"
552 // "TX VO priority error int: %lu\n"
553 "TX BE priority ok int: %lu\n"
554 // "TX BE priority error int: %lu\n"
555 "TX BK priority ok int: %lu\n"
556 // "TX BK priority error int: %lu\n"
557 "TX MANAGE priority ok int: %lu\n"
558 // "TX MANAGE priority error int: %lu\n"
559 "TX BEACON priority ok int: %lu\n"
560 "TX BEACON priority error int: %lu\n"
561 "TX CMDPKT priority ok int: %lu\n"
562 // "TX high priority ok int: %lu\n"
563 // "TX high priority failed error int: %lu\n"
564 // "TX queue resume: %lu\n"
565 "TX queue stopped?: %d\n"
566 "TX fifo overflow: %lu\n"
567 // "TX beacon: %lu\n"
568 // "TX VI queue: %d\n"
569 // "TX VO queue: %d\n"
570 // "TX BE queue: %d\n"
571 // "TX BK queue: %d\n"
572 // "TX HW queue: %d\n"
573 // "TX VI dropped: %lu\n"
574 // "TX VO dropped: %lu\n"
575 // "TX BE dropped: %lu\n"
576 // "TX BK dropped: %lu\n"
577 "TX total data packets %lu\n"
578 "TX total data bytes :%lu\n",
579 // "TX beacon aborted: %lu\n",
580 priv->stats.txviokint,
581 // priv->stats.txvierr,
582 priv->stats.txvookint,
583 // priv->stats.txvoerr,
584 priv->stats.txbeokint,
585 // priv->stats.txbeerr,
586 priv->stats.txbkokint,
587 // priv->stats.txbkerr,
588 priv->stats.txmanageokint,
589 // priv->stats.txmanageerr,
590 priv->stats.txbeaconokint,
591 priv->stats.txbeaconerr,
592 priv->stats.txcmdpktokint,
593 // priv->stats.txhpokint,
594 // priv->stats.txhperr,
595 // priv->stats.txresumed,
596 netif_queue_stopped(dev),
597 priv->stats.txoverflow,
598 // priv->stats.txbeacon,
599 // read_nic_byte(dev, TXFIFOCOUNT),
600 // priv->stats.txvidrop,
601 // priv->stats.txvodrop,
602 priv->ieee80211->stats.tx_packets,
603 priv->ieee80211->stats.tx_bytes
604
605
606 // priv->stats.txbedrop,
607 // priv->stats.txbkdrop
608 // priv->stats.txdatapkt
609 // priv->stats.txbeaconerr
610 );
611
612 *eof = 1;
613 return len;
614 }
615
616
617
618 static int proc_get_stats_rx(char *page, char **start,
619 off_t offset, int count,
620 int *eof, void *data)
621 {
622 struct net_device *dev = data;
623 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
624
625 int len = 0;
626
627 len += snprintf(page + len, count - len,
628 "RX packets: %lu\n"
629 "RX desc err: %lu\n"
630 "RX rx overflow error: %lu\n"
631 "RX invalid urb error: %lu\n",
632 priv->stats.rxint,
633 priv->stats.rxrdu,
634 priv->stats.rxoverflow,
635 priv->stats.rxurberr);
636
637 *eof = 1;
638 return len;
639 }
640
641 static void rtl8192_proc_module_init(void)
642 {
643 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
644 rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
645 }
646
647
648 static void rtl8192_proc_module_remove(void)
649 {
650 remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
651 }
652
653
654 static void rtl8192_proc_remove_one(struct net_device *dev)
655 {
656 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
657
658 printk("dev name=======> %s\n",dev->name);
659
660 if (priv->dir_dev) {
661 // remove_proc_entry("stats-hw", priv->dir_dev);
662 remove_proc_entry("stats-tx", priv->dir_dev);
663 remove_proc_entry("stats-rx", priv->dir_dev);
664 // remove_proc_entry("stats-ieee", priv->dir_dev);
665 remove_proc_entry("stats-ap", priv->dir_dev);
666 remove_proc_entry("registers", priv->dir_dev);
667 // remove_proc_entry("cck-registers",priv->dir_dev);
668 // remove_proc_entry("ofdm-registers",priv->dir_dev);
669 //remove_proc_entry(dev->name, rtl8192_proc);
670 remove_proc_entry("wlan0", rtl8192_proc);
671 priv->dir_dev = NULL;
672 }
673 }
674
675
676 static void rtl8192_proc_init_one(struct net_device *dev)
677 {
678 struct proc_dir_entry *e;
679 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
680 priv->dir_dev = create_proc_entry(dev->name,
681 S_IFDIR | S_IRUGO | S_IXUGO,
682 rtl8192_proc);
683 if (!priv->dir_dev) {
684 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
685 dev->name);
686 return;
687 }
688 e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
689 priv->dir_dev, proc_get_stats_rx, dev);
690
691 if (!e) {
692 RT_TRACE(COMP_ERR,"Unable to initialize "
693 "/proc/net/rtl8192/%s/stats-rx\n",
694 dev->name);
695 }
696
697
698 e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
699 priv->dir_dev, proc_get_stats_tx, dev);
700
701 if (!e) {
702 RT_TRACE(COMP_ERR, "Unable to initialize "
703 "/proc/net/rtl8192/%s/stats-tx\n",
704 dev->name);
705 }
706
707 e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
708 priv->dir_dev, proc_get_stats_ap, dev);
709
710 if (!e) {
711 RT_TRACE(COMP_ERR, "Unable to initialize "
712 "/proc/net/rtl8192/%s/stats-ap\n",
713 dev->name);
714 }
715
716 e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
717 priv->dir_dev, proc_get_registers, dev);
718 if (!e) {
719 RT_TRACE(COMP_ERR, "Unable to initialize "
720 "/proc/net/rtl8192/%s/registers\n",
721 dev->name);
722 }
723 }
724
725 short check_nic_enough_desc(struct net_device *dev, int prio)
726 {
727 struct r8192_priv *priv = ieee80211_priv(dev);
728 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
729
730 /* for now we reserve two free descriptor as a safety boundary
731 * between the tail and the head
732 */
733 return (ring->entries - skb_queue_len(&ring->queue) >= 2);
734 }
735
736 static void tx_timeout(struct net_device *dev)
737 {
738 struct r8192_priv *priv = ieee80211_priv(dev);
739
740 schedule_work(&priv->reset_wq);
741 printk("TXTIMEOUT");
742 }
743
744 static void rtl8192_irq_enable(struct net_device *dev)
745 {
746 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
747 priv->irq_enabled = 1;
748 write_nic_dword(dev,INTA_MASK, priv->irq_mask);
749 }
750
751 void rtl8192_irq_disable(struct net_device *dev)
752 {
753 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
754
755 write_nic_dword(dev,INTA_MASK,0);
756 priv->irq_enabled = 0;
757 }
758
759 void rtl8192_update_msr(struct net_device *dev)
760 {
761 struct r8192_priv *priv = ieee80211_priv(dev);
762 u8 msr;
763
764 msr = read_nic_byte(dev, MSR);
765 msr &= ~ MSR_LINK_MASK;
766
767 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
768 * msr must be updated if the state is ASSOCIATING.
769 * this is intentional and make sense for ad-hoc and
770 * master (see the create BSS/IBSS func)
771 */
772 if (priv->ieee80211->state == IEEE80211_LINKED){
773
774 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
775 msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
776 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
777 msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
778 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
779 msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
780
781 }else
782 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
783
784 write_nic_byte(dev, MSR, msr);
785 }
786
787 void rtl8192_set_chan(struct net_device *dev,short ch)
788 {
789 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
790
791 priv->chan = ch;
792
793 /* need to implement rf set channel here WB */
794
795 if (priv->rf_set_chan)
796 priv->rf_set_chan(dev, priv->chan);
797 }
798
799 void rtl8192_rx_enable(struct net_device *dev)
800 {
801 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
802
803 write_nic_dword(dev, RDQDA,priv->rx_ring_dma);
804 }
805
806 /* the TX_DESC_BASE setting is according to the following queue index
807 * BK_QUEUE ===> 0
808 * BE_QUEUE ===> 1
809 * VI_QUEUE ===> 2
810 * VO_QUEUE ===> 3
811 * HCCA_QUEUE ===> 4
812 * TXCMD_QUEUE ===> 5
813 * MGNT_QUEUE ===> 6
814 * HIGH_QUEUE ===> 7
815 * BEACON_QUEUE ===> 8
816 * */
817 static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
818 void rtl8192_tx_enable(struct net_device *dev)
819 {
820 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
821 u32 i;
822
823 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
824 write_nic_dword(dev, TX_DESC_BASE[i], priv->tx_ring[i].dma);
825
826 ieee80211_reset_queue(priv->ieee80211);
827 }
828
829
830 static void rtl8192_free_rx_ring(struct net_device *dev)
831 {
832 struct r8192_priv *priv = ieee80211_priv(dev);
833 int i;
834
835 for (i = 0; i < priv->rxringcount; i++) {
836 struct sk_buff *skb = priv->rx_buf[i];
837 if (!skb)
838 continue;
839
840 pci_unmap_single(priv->pdev,
841 *((dma_addr_t *)skb->cb),
842 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
843 kfree_skb(skb);
844 }
845
846 pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
847 priv->rx_ring, priv->rx_ring_dma);
848 priv->rx_ring = NULL;
849 }
850
851 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
852 {
853 struct r8192_priv *priv = ieee80211_priv(dev);
854 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
855
856 while (skb_queue_len(&ring->queue)) {
857 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
858 struct sk_buff *skb = __skb_dequeue(&ring->queue);
859
860 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
861 skb->len, PCI_DMA_TODEVICE);
862 kfree_skb(skb);
863 ring->idx = (ring->idx + 1) % ring->entries;
864 }
865
866 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
867 ring->desc, ring->dma);
868 ring->desc = NULL;
869 }
870
871 void PHY_SetRtl8192eRfOff(struct net_device* dev)
872 {
873 //disable RF-Chip A/B
874 rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
875 //analog to digital off, for power save
876 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 0x0);
877 //digital to analog off, for power save
878 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 0x0);
879 //rx antenna off
880 rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0);
881 //rx antenna off
882 rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0);
883 //analog to digital part2 off, for power save
884 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x0);
885 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x4, 0x0);
886 // Analog parameter!!Change bias and Lbus control.
887 write_nic_byte(dev, ANAPAR_FOR_8192PciE, 0x07);
888
889 }
890
891 void rtl8192_halt_adapter(struct net_device *dev, bool reset)
892 {
893 struct r8192_priv *priv = ieee80211_priv(dev);
894 int i;
895 u8 OpMode;
896 u32 ulRegRead;
897
898 OpMode = RT_OP_MODE_NO_LINK;
899 priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode);
900
901 if (!priv->ieee80211->bSupportRemoteWakeUp) {
902 /*
903 * disable tx/rx. In 8185 we write 0x10 (Reset bit),
904 * but here we make reference to WMAC and wirte 0x0
905 */
906 write_nic_byte(dev, CMDR, 0);
907 }
908
909 mdelay(20);
910
911 if (!reset) {
912 mdelay(150);
913
914 #ifdef RTL8192E
915 priv->bHwRfOffAction = 2;
916 #endif
917
918 /*
919 * Call MgntActSet_RF_State instead to
920 * prevent RF config race condition.
921 */
922 if (!priv->ieee80211->bSupportRemoteWakeUp) {
923 PHY_SetRtl8192eRfOff(dev);
924 ulRegRead = read_nic_dword(dev,CPU_GEN);
925 ulRegRead |= CPU_GEN_SYSTEM_RESET;
926 write_nic_dword(dev,CPU_GEN, ulRegRead);
927 } else {
928 /* for WOL */
929 write_nic_dword(dev, WFCRC0, 0xffffffff);
930 write_nic_dword(dev, WFCRC1, 0xffffffff);
931 write_nic_dword(dev, WFCRC2, 0xffffffff);
932
933 /* Write PMR register */
934 write_nic_byte(dev, PMR, 0x5);
935 /* Disable tx, enanble rx */
936 write_nic_byte(dev, MacBlkCtrl, 0xa);
937 }
938 }
939
940 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
941 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
942 }
943 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
944 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
945 }
946
947 skb_queue_purge(&priv->skb_queue);
948 }
949
950 static const u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540};
951 inline u16 rtl8192_rate2rate(short rate)
952 {
953 if (rate >11) return 0;
954 return rtl_rate[rate];
955 }
956
957 static void rtl8192_data_hard_stop(struct net_device *dev)
958 {
959 }
960
961 static void rtl8192_data_hard_resume(struct net_device *dev)
962 {
963 }
964
965 /*
966 * this function TX data frames when the ieee80211 stack requires this.
967 * It checks also if we need to stop the ieee tx queue, eventually do it
968 */
969 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
970 {
971 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
972 int ret;
973 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
974 u8 queue_index = tcb_desc->queue_index;
975
976 /* shall not be referred by command packet */
977 BUG_ON(queue_index == TXCMD_QUEUE);
978
979 if (priv->bHwRadioOff || (!priv->up))
980 {
981 kfree_skb(skb);
982 return;
983 }
984
985 memcpy(skb->cb, &dev, sizeof(dev));
986
987 skb_push(skb, priv->ieee80211->tx_headroom);
988 ret = rtl8192_tx(dev, skb);
989 if (ret != 0) {
990 kfree_skb(skb);
991 }
992
993 if (queue_index != MGNT_QUEUE) {
994 priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom);
995 priv->ieee80211->stats.tx_packets++;
996 }
997 }
998
999 /*
1000 * This is a rough attempt to TX a frame
1001 * This is called by the ieee 80211 stack to TX management frames.
1002 * If the ring is full packet are dropped (for data frame the queue
1003 * is stopped before this can happen).
1004 */
1005 static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
1006 {
1007 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1008 int ret;
1009 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1010 u8 queue_index = tcb_desc->queue_index;
1011
1012 if (queue_index != TXCMD_QUEUE) {
1013 if (priv->bHwRadioOff || (!priv->up))
1014 {
1015 kfree_skb(skb);
1016 return 0;
1017 }
1018 }
1019
1020 memcpy(skb->cb, &dev, sizeof(dev));
1021 if (queue_index == TXCMD_QUEUE) {
1022 rtl819xE_tx_cmd(dev, skb);
1023 ret = 0;
1024 return ret;
1025 } else {
1026 tcb_desc->RATRIndex = 7;
1027 tcb_desc->bTxDisableRateFallBack = 1;
1028 tcb_desc->bTxUseDriverAssingedRate = 1;
1029 tcb_desc->bTxEnableFwCalcDur = 1;
1030 skb_push(skb, priv->ieee80211->tx_headroom);
1031 ret = rtl8192_tx(dev, skb);
1032 if (ret != 0) {
1033 kfree_skb(skb);
1034 }
1035 }
1036
1037 return ret;
1038 }
1039
1040
1041 static void rtl8192_tx_isr(struct net_device *dev, int prio)
1042 {
1043 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1044 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1045
1046 while (skb_queue_len(&ring->queue)) {
1047 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1048 struct sk_buff *skb;
1049
1050 /*
1051 * beacon packet will only use the first descriptor defaultly,
1052 * and the OWN may not be cleared by the hardware
1053 */
1054 if (prio != BEACON_QUEUE) {
1055 if (entry->OWN)
1056 return;
1057 ring->idx = (ring->idx + 1) % ring->entries;
1058 }
1059
1060 skb = __skb_dequeue(&ring->queue);
1061 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1062 skb->len, PCI_DMA_TODEVICE);
1063
1064 kfree_skb(skb);
1065 }
1066 if (prio == MGNT_QUEUE) {
1067 if (priv->ieee80211->ack_tx_to_ieee) {
1068 if (rtl8192_is_tx_queue_empty(dev)) {
1069 priv->ieee80211->ack_tx_to_ieee = 0;
1070 ieee80211_ps_tx_ack(priv->ieee80211, 1);
1071 }
1072 }
1073 }
1074
1075 if (prio != BEACON_QUEUE) {
1076 /* try to deal with the pending packets */
1077 tasklet_schedule(&priv->irq_tx_tasklet);
1078 }
1079 }
1080
1081 static void rtl8192_stop_beacon(struct net_device *dev)
1082 {
1083 }
1084
1085 static void rtl8192_config_rate(struct net_device* dev, u16* rate_config)
1086 {
1087 struct r8192_priv *priv = ieee80211_priv(dev);
1088 struct ieee80211_network *net;
1089 u8 i=0, basic_rate = 0;
1090 net = & priv->ieee80211->current_network;
1091
1092 for (i=0; i<net->rates_len; i++)
1093 {
1094 basic_rate = net->rates[i]&0x7f;
1095 switch(basic_rate)
1096 {
1097 case MGN_1M: *rate_config |= RRSR_1M; break;
1098 case MGN_2M: *rate_config |= RRSR_2M; break;
1099 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
1100 case MGN_11M: *rate_config |= RRSR_11M; break;
1101 case MGN_6M: *rate_config |= RRSR_6M; break;
1102 case MGN_9M: *rate_config |= RRSR_9M; break;
1103 case MGN_12M: *rate_config |= RRSR_12M; break;
1104 case MGN_18M: *rate_config |= RRSR_18M; break;
1105 case MGN_24M: *rate_config |= RRSR_24M; break;
1106 case MGN_36M: *rate_config |= RRSR_36M; break;
1107 case MGN_48M: *rate_config |= RRSR_48M; break;
1108 case MGN_54M: *rate_config |= RRSR_54M; break;
1109 }
1110 }
1111 for (i=0; i<net->rates_ex_len; i++)
1112 {
1113 basic_rate = net->rates_ex[i]&0x7f;
1114 switch(basic_rate)
1115 {
1116 case MGN_1M: *rate_config |= RRSR_1M; break;
1117 case MGN_2M: *rate_config |= RRSR_2M; break;
1118 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
1119 case MGN_11M: *rate_config |= RRSR_11M; break;
1120 case MGN_6M: *rate_config |= RRSR_6M; break;
1121 case MGN_9M: *rate_config |= RRSR_9M; break;
1122 case MGN_12M: *rate_config |= RRSR_12M; break;
1123 case MGN_18M: *rate_config |= RRSR_18M; break;
1124 case MGN_24M: *rate_config |= RRSR_24M; break;
1125 case MGN_36M: *rate_config |= RRSR_36M; break;
1126 case MGN_48M: *rate_config |= RRSR_48M; break;
1127 case MGN_54M: *rate_config |= RRSR_54M; break;
1128 }
1129 }
1130 }
1131
1132
1133 #define SHORT_SLOT_TIME 9
1134 #define NON_SHORT_SLOT_TIME 20
1135
1136 static void rtl8192_update_cap(struct net_device* dev, u16 cap)
1137 {
1138 u32 tmp = 0;
1139 struct r8192_priv *priv = ieee80211_priv(dev);
1140 struct ieee80211_network *net = &priv->ieee80211->current_network;
1141 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1142 tmp = priv->basic_rate;
1143 if (priv->short_preamble)
1144 tmp |= BRSR_AckShortPmb;
1145 write_nic_dword(dev, RRSR, tmp);
1146
1147 if (net->mode & (IEEE_G|IEEE_N_24G))
1148 {
1149 u8 slot_time = 0;
1150 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1151 {//short slot time
1152 slot_time = SHORT_SLOT_TIME;
1153 }
1154 else //long slot time
1155 slot_time = NON_SHORT_SLOT_TIME;
1156 priv->slot_time = slot_time;
1157 write_nic_byte(dev, SLOT_TIME, slot_time);
1158 }
1159
1160 }
1161
1162 static void rtl8192_net_update(struct net_device *dev)
1163 {
1164 struct r8192_priv *priv = ieee80211_priv(dev);
1165 struct ieee80211_network *net;
1166 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1167 u16 rate_config = 0;
1168 net = &priv->ieee80211->current_network;
1169
1170 /* update Basic rate: RR, BRSR */
1171 rtl8192_config_rate(dev, &rate_config);
1172
1173 /*
1174 * Select RRSR (in Legacy-OFDM and CCK)
1175 * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1176 * 2M, and 1M from the Basic rate.
1177 * We do not use other rates.
1178 */
1179 priv->basic_rate = rate_config &= 0x15f;
1180
1181 /* BSSID */
1182 write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1183 write_nic_word(dev, BSSIDR+4, ((u16 *)net->bssid)[2]);
1184
1185 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1186 {
1187 write_nic_word(dev, ATIMWND, 2);
1188 write_nic_word(dev, BCN_DMATIME, 256);
1189 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1190 /*
1191 * BIT15 of BCN_DRV_EARLY_INT will indicate
1192 * whether software beacon or hw beacon is applied.
1193 */
1194 write_nic_word(dev, BCN_DRV_EARLY_INT, 10);
1195 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1196
1197 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1198 /* TODO: BcnIFS may required to be changed on ASIC */
1199 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1200 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1201 }
1202 }
1203
1204 void rtl819xE_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1205 {
1206 struct r8192_priv *priv = ieee80211_priv(dev);
1207 struct rtl8192_tx_ring *ring;
1208 tx_desc_819x_pci *entry;
1209 unsigned int idx;
1210 dma_addr_t mapping;
1211 cb_desc *tcb_desc;
1212 unsigned long flags;
1213
1214 ring = &priv->tx_ring[TXCMD_QUEUE];
1215 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1216
1217 spin_lock_irqsave(&priv->irq_th_lock,flags);
1218 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1219 entry = &ring->desc[idx];
1220
1221 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1222 memset(entry,0,12);
1223 entry->LINIP = tcb_desc->bLastIniPkt;
1224 entry->FirstSeg = 1;//first segment
1225 entry->LastSeg = 1; //last segment
1226 if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1227 entry->CmdInit = DESC_PACKET_TYPE_INIT;
1228 } else {
1229 entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1230 entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1231 entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1232 entry->QueueSelect = QSLT_CMD;
1233 entry->TxFWInfoSize = 0x08;
1234 entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1235 }
1236 entry->TxBufferSize = skb->len;
1237 entry->TxBuffAddr = cpu_to_le32(mapping);
1238 entry->OWN = 1;
1239
1240 __skb_queue_tail(&ring->queue, skb);
1241 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1242
1243 write_nic_byte(dev, TPPoll, TPPoll_CQ);
1244
1245 return;
1246 }
1247
1248 /*
1249 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1250 * in TxFwInfo data structure
1251 */
1252 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1253 {
1254 u8 QueueSelect = 0;
1255
1256 switch (QueueID) {
1257 case BE_QUEUE:
1258 QueueSelect = QSLT_BE;
1259 break;
1260
1261 case BK_QUEUE:
1262 QueueSelect = QSLT_BK;
1263 break;
1264
1265 case VO_QUEUE:
1266 QueueSelect = QSLT_VO;
1267 break;
1268
1269 case VI_QUEUE:
1270 QueueSelect = QSLT_VI;
1271 break;
1272
1273 case MGNT_QUEUE:
1274 QueueSelect = QSLT_MGNT;
1275 break;
1276
1277 case BEACON_QUEUE:
1278 QueueSelect = QSLT_BEACON;
1279 break;
1280
1281 case TXCMD_QUEUE:
1282 QueueSelect = QSLT_CMD;
1283 break;
1284
1285 case HIGH_QUEUE:
1286 default:
1287 RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID);
1288 break;
1289 }
1290 return QueueSelect;
1291 }
1292
1293 static u8 MRateToHwRate8190Pci(u8 rate)
1294 {
1295 u8 ret = DESC90_RATE1M;
1296
1297 switch(rate) {
1298 case MGN_1M: ret = DESC90_RATE1M; break;
1299 case MGN_2M: ret = DESC90_RATE2M; break;
1300 case MGN_5_5M: ret = DESC90_RATE5_5M; break;
1301 case MGN_11M: ret = DESC90_RATE11M; break;
1302 case MGN_6M: ret = DESC90_RATE6M; break;
1303 case MGN_9M: ret = DESC90_RATE9M; break;
1304 case MGN_12M: ret = DESC90_RATE12M; break;
1305 case MGN_18M: ret = DESC90_RATE18M; break;
1306 case MGN_24M: ret = DESC90_RATE24M; break;
1307 case MGN_36M: ret = DESC90_RATE36M; break;
1308 case MGN_48M: ret = DESC90_RATE48M; break;
1309 case MGN_54M: ret = DESC90_RATE54M; break;
1310
1311 // HT rate since here
1312 case MGN_MCS0: ret = DESC90_RATEMCS0; break;
1313 case MGN_MCS1: ret = DESC90_RATEMCS1; break;
1314 case MGN_MCS2: ret = DESC90_RATEMCS2; break;
1315 case MGN_MCS3: ret = DESC90_RATEMCS3; break;
1316 case MGN_MCS4: ret = DESC90_RATEMCS4; break;
1317 case MGN_MCS5: ret = DESC90_RATEMCS5; break;
1318 case MGN_MCS6: ret = DESC90_RATEMCS6; break;
1319 case MGN_MCS7: ret = DESC90_RATEMCS7; break;
1320 case MGN_MCS8: ret = DESC90_RATEMCS8; break;
1321 case MGN_MCS9: ret = DESC90_RATEMCS9; break;
1322 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1323 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1324 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1325 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1326 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1327 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1328 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1329
1330 default: break;
1331 }
1332 return ret;
1333 }
1334
1335
1336 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1337 {
1338 u8 tmp_Short;
1339
1340 tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1341
1342 if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1343 tmp_Short = 0;
1344
1345 return tmp_Short;
1346 }
1347
1348 /*
1349 * The tx procedure is just as following,
1350 * skb->cb will contain all the following information,
1351 * priority, morefrag, rate, &dev.
1352 */
1353 short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
1354 {
1355 struct r8192_priv *priv = ieee80211_priv(dev);
1356 struct rtl8192_tx_ring *ring;
1357 unsigned long flags;
1358 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1359 tx_desc_819x_pci *pdesc = NULL;
1360 TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1361 dma_addr_t mapping;
1362 bool multi_addr = false, broad_addr = false, uni_addr = false;
1363 u8 *pda_addr = NULL;
1364 int idx;
1365
1366 if (priv->bdisable_nic) {
1367 RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1368 skb->len, tcb_desc->queue_index);
1369 return skb->len;
1370 }
1371
1372 #ifdef ENABLE_LPS
1373 priv->ieee80211->bAwakePktSent = true;
1374 #endif
1375
1376 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1377
1378 /* collect the tx packets statitcs */
1379 pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
1380 if (is_multicast_ether_addr(pda_addr))
1381 multi_addr = true;
1382 else if (is_broadcast_ether_addr(pda_addr))
1383 broad_addr = true;
1384 else
1385 uni_addr = true;
1386
1387 if (uni_addr)
1388 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1389 else if (multi_addr)
1390 priv->stats.txbytesmulticast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1391 else
1392 priv->stats.txbytesbroadcast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1393
1394 /* fill tx firmware */
1395 pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1396 memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
1397 pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1398 pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1399 pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1400 pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1401
1402 /* Aggregation related */
1403 if (tcb_desc->bAMPDUEnable) {
1404 pTxFwInfo->AllowAggregation = 1;
1405 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1406 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1407 } else {
1408 pTxFwInfo->AllowAggregation = 0;
1409 pTxFwInfo->RxMF = 0;
1410 pTxFwInfo->RxAMD = 0;
1411 }
1412
1413 /* Protection mode related */
1414 pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1415 pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1416 pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1417 pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1418 pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1419 pTxFwInfo->RtsBandwidth = 0;
1420 pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1421 pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);
1422
1423 /* Set Bandwidth and sub-channel settings. */
1424 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1425 if (tcb_desc->bPacketBW) {
1426 pTxFwInfo->TxBandwidth = 1;
1427 #ifdef RTL8190P
1428 pTxFwInfo->TxSubCarrier = 3;
1429 #else
1430 /* use duplicated mode */
1431 pTxFwInfo->TxSubCarrier = 0;
1432 #endif
1433 } else {
1434 pTxFwInfo->TxBandwidth = 0;
1435 pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1436 }
1437 } else {
1438 pTxFwInfo->TxBandwidth = 0;
1439 pTxFwInfo->TxSubCarrier = 0;
1440 }
1441
1442 spin_lock_irqsave(&priv->irq_th_lock, flags);
1443 ring = &priv->tx_ring[tcb_desc->queue_index];
1444 if (tcb_desc->queue_index != BEACON_QUEUE)
1445 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1446 else
1447 idx = 0;
1448
1449 pdesc = &ring->desc[idx];
1450 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1451 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x",
1452 tcb_desc->queue_index, ring->idx, idx, skb->len);
1453 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1454 return skb->len;
1455 }
1456
1457 /* fill tx descriptor */
1458 memset(pdesc, 0, 12);
1459
1460 /*DWORD 0*/
1461 pdesc->LINIP = 0;
1462 pdesc->CmdInit = 1;
1463 pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
1464 pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1465
1466 /*DWORD 1*/
1467 pdesc->SecCAMID = 0;
1468 pdesc->RATid = tcb_desc->RATRIndex;
1469
1470 pdesc->NoEnc = 1;
1471 pdesc->SecType = 0x0;
1472 if (tcb_desc->bHwSec) {
1473 switch (priv->ieee80211->pairwise_key_type) {
1474 case KEY_TYPE_WEP40:
1475 case KEY_TYPE_WEP104:
1476 pdesc->SecType = 0x1;
1477 pdesc->NoEnc = 0;
1478 break;
1479 case KEY_TYPE_TKIP:
1480 pdesc->SecType = 0x2;
1481 pdesc->NoEnc = 0;
1482 break;
1483 case KEY_TYPE_CCMP:
1484 pdesc->SecType = 0x3;
1485 pdesc->NoEnc = 0;
1486 break;
1487 case KEY_TYPE_NA:
1488 pdesc->SecType = 0x0;
1489 pdesc->NoEnc = 1;
1490 break;
1491 }
1492 }
1493
1494 /* Set Packet ID */
1495 pdesc->PktId = 0x0;
1496
1497 pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1498 pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1499
1500 pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1501 pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1502
1503 pdesc->FirstSeg = 1;
1504 pdesc->LastSeg = 1;
1505 pdesc->TxBufferSize = skb->len;
1506
1507 pdesc->TxBuffAddr = cpu_to_le32(mapping);
1508 __skb_queue_tail(&ring->queue, skb);
1509 pdesc->OWN = 1;
1510 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1511 dev->trans_start = jiffies;
1512 write_nic_word(dev, TPPoll, 0x01<<tcb_desc->queue_index);
1513 return 0;
1514 }
1515
1516 static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
1517 {
1518 struct r8192_priv *priv = ieee80211_priv(dev);
1519 rx_desc_819x_pci *entry = NULL;
1520 int i;
1521
1522 priv->rx_ring = pci_alloc_consistent(priv->pdev,
1523 sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1524
1525 if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1526 RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1527 return -ENOMEM;
1528 }
1529
1530 memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1531 priv->rx_idx = 0;
1532
1533 for (i = 0; i < priv->rxringcount; i++) {
1534 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1535 dma_addr_t *mapping;
1536 entry = &priv->rx_ring[i];
1537 if (!skb)
1538 return 0;
1539 priv->rx_buf[i] = skb;
1540 mapping = (dma_addr_t *)skb->cb;
1541 *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
1542 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1543
1544 entry->BufferAddress = cpu_to_le32(*mapping);
1545
1546 entry->Length = priv->rxbuffersize;
1547 entry->OWN = 1;
1548 }
1549
1550 entry->EOR = 1;
1551 return 0;
1552 }
1553
1554 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
1555 unsigned int prio, unsigned int entries)
1556 {
1557 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1558 tx_desc_819x_pci *ring;
1559 dma_addr_t dma;
1560 int i;
1561
1562 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1563 if (!ring || (unsigned long)ring & 0xFF) {
1564 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1565 return -ENOMEM;
1566 }
1567
1568 memset(ring, 0, sizeof(*ring)*entries);
1569 priv->tx_ring[prio].desc = ring;
1570 priv->tx_ring[prio].dma = dma;
1571 priv->tx_ring[prio].idx = 0;
1572 priv->tx_ring[prio].entries = entries;
1573 skb_queue_head_init(&priv->tx_ring[prio].queue);
1574
1575 for (i = 0; i < entries; i++)
1576 ring[i].NextDescAddress =
1577 cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1578
1579 return 0;
1580 }
1581
1582 static short rtl8192_pci_initdescring(struct net_device *dev)
1583 {
1584 u32 ret;
1585 int i;
1586 struct r8192_priv *priv = ieee80211_priv(dev);
1587
1588 ret = rtl8192_alloc_rx_desc_ring(dev);
1589 if (ret)
1590 return ret;
1591
1592 /* general process for other queue */
1593 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1594 ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
1595 if (ret)
1596 goto err_free_rings;
1597 }
1598
1599 return 0;
1600
1601 err_free_rings:
1602 rtl8192_free_rx_ring(dev);
1603 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1604 if (priv->tx_ring[i].desc)
1605 rtl8192_free_tx_ring(dev, i);
1606 return 1;
1607 }
1608
1609 static void rtl8192_pci_resetdescring(struct net_device *dev)
1610 {
1611 struct r8192_priv *priv = ieee80211_priv(dev);
1612 int i;
1613
1614 /* force the rx_idx to the first one */
1615 if(priv->rx_ring) {
1616 rx_desc_819x_pci *entry = NULL;
1617 for (i = 0; i < priv->rxringcount; i++) {
1618 entry = &priv->rx_ring[i];
1619 entry->OWN = 1;
1620 }
1621 priv->rx_idx = 0;
1622 }
1623
1624 /* after reset, release previous pending packet, and force the
1625 * tx idx to the first one */
1626 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1627 if (priv->tx_ring[i].desc) {
1628 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1629
1630 while (skb_queue_len(&ring->queue)) {
1631 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1632 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1633
1634 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1635 skb->len, PCI_DMA_TODEVICE);
1636 kfree_skb(skb);
1637 ring->idx = (ring->idx + 1) % ring->entries;
1638 }
1639 ring->idx = 0;
1640 }
1641 }
1642 }
1643
1644 static void rtl8192_link_change(struct net_device *dev)
1645 {
1646 struct r8192_priv *priv = ieee80211_priv(dev);
1647 struct ieee80211_device* ieee = priv->ieee80211;
1648 //write_nic_word(dev, BCN_INTR_ITV, net->beacon_interval);
1649 if (ieee->state == IEEE80211_LINKED)
1650 {
1651 rtl8192_net_update(dev);
1652 rtl8192_update_ratr_table(dev);
1653 #if 1
1654 //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
1655 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1656 EnableHWSecurityConfig8192(dev);
1657 #endif
1658 }
1659 else
1660 {
1661 write_nic_byte(dev, 0x173, 0);
1662 }
1663 /*update timing params*/
1664 //rtl8192_set_chan(dev, priv->chan);
1665 //MSR
1666 rtl8192_update_msr(dev);
1667
1668 // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1669 // // To set CBSSID bit when link with any AP or STA.
1670 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1671 {
1672 u32 reg = 0;
1673 reg = read_nic_dword(dev, RCR);
1674 if (priv->ieee80211->state == IEEE80211_LINKED)
1675 priv->ReceiveConfig = reg |= RCR_CBSSID;
1676 else
1677 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1678 write_nic_dword(dev, RCR, reg);
1679 }
1680 }
1681
1682
1683 static const struct ieee80211_qos_parameters def_qos_parameters = {
1684 {3,3,3,3},/* cw_min */
1685 {7,7,7,7},/* cw_max */
1686 {2,2,2,2},/* aifs */
1687 {0,0,0,0},/* flags */
1688 {0,0,0,0} /* tx_op_limit */
1689 };
1690
1691 static void rtl8192_update_beacon(struct work_struct * work)
1692 {
1693 struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1694 struct net_device *dev = priv->ieee80211->dev;
1695 struct ieee80211_device* ieee = priv->ieee80211;
1696 struct ieee80211_network* net = &ieee->current_network;
1697
1698 if (ieee->pHTInfo->bCurrentHTSupport)
1699 HTUpdateSelfAndPeerSetting(ieee, net);
1700 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1701 rtl8192_update_cap(dev, net->capability);
1702 }
1703
1704 /*
1705 * background support to run QoS activate functionality
1706 */
1707 static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1708 static void rtl8192_qos_activate(struct work_struct * work)
1709 {
1710 struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1711 struct net_device *dev = priv->ieee80211->dev;
1712 struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1713 u8 mode = priv->ieee80211->current_network.mode;
1714 u8 u1bAIFS;
1715 u32 u4bAcParam;
1716 int i;
1717
1718 mutex_lock(&priv->mutex);
1719 if(priv->ieee80211->state != IEEE80211_LINKED)
1720 goto success;
1721 RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
1722 /* It better set slot time at first */
1723 /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1724 /* update the ac parameter to related registers */
1725 for(i = 0; i < QOS_QUEUE_NUM; i++) {
1726 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1727 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
1728 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
1729 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
1730 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
1731 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
1732 //printk("===>u4bAcParam:%x, ", u4bAcParam);
1733 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1734 //write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
1735 }
1736
1737 success:
1738 mutex_unlock(&priv->mutex);
1739 }
1740
1741 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1742 int active_network,
1743 struct ieee80211_network *network)
1744 {
1745 int ret = 0;
1746 u32 size = sizeof(struct ieee80211_qos_parameters);
1747
1748 if(priv->ieee80211->state !=IEEE80211_LINKED)
1749 return ret;
1750
1751 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1752 return ret;
1753
1754 if (network->flags & NETWORK_HAS_QOS_MASK) {
1755 if (active_network &&
1756 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1757 network->qos_data.active = network->qos_data.supported;
1758
1759 if ((network->qos_data.active == 1) && (active_network == 1) &&
1760 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1761 (network->qos_data.old_param_count !=
1762 network->qos_data.param_count)) {
1763 network->qos_data.old_param_count =
1764 network->qos_data.param_count;
1765 queue_work(priv->priv_wq, &priv->qos_activate);
1766 RT_TRACE (COMP_QOS, "QoS parameters change call "
1767 "qos_activate\n");
1768 }
1769 } else {
1770 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1771 &def_qos_parameters, size);
1772
1773 if ((network->qos_data.active == 1) && (active_network == 1)) {
1774 queue_work(priv->priv_wq, &priv->qos_activate);
1775 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
1776 }
1777 network->qos_data.active = 0;
1778 network->qos_data.supported = 0;
1779 }
1780
1781 return 0;
1782 }
1783
1784 /* handle manage frame frame beacon and probe response */
1785 static int rtl8192_handle_beacon(struct net_device * dev,
1786 struct ieee80211_beacon * beacon,
1787 struct ieee80211_network * network)
1788 {
1789 struct r8192_priv *priv = ieee80211_priv(dev);
1790
1791 rtl8192_qos_handle_probe_response(priv,1,network);
1792
1793 queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1794 return 0;
1795
1796 }
1797
1798 /*
1799 * handling the beaconing responses. if we get different QoS setting
1800 * off the network from the associated setting, adjust the QoS setting
1801 */
1802 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1803 struct ieee80211_network *network)
1804 {
1805 int ret = 0;
1806 unsigned long flags;
1807 u32 size = sizeof(struct ieee80211_qos_parameters);
1808 int set_qos_param = 0;
1809
1810 if ((priv == NULL) || (network == NULL))
1811 return ret;
1812
1813 if (priv->ieee80211->state != IEEE80211_LINKED)
1814 return ret;
1815
1816 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1817 return ret;
1818
1819 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1820 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1821 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1822 &network->qos_data.parameters,
1823 sizeof(struct ieee80211_qos_parameters));
1824 priv->ieee80211->current_network.qos_data.active = 1;
1825 set_qos_param = 1;
1826 /* update qos parameter for current network */
1827 priv->ieee80211->current_network.qos_data.old_param_count =
1828 priv->ieee80211->current_network.qos_data.param_count;
1829 priv->ieee80211->current_network.qos_data.param_count =
1830 network->qos_data.param_count;
1831
1832 } else {
1833 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1834 &def_qos_parameters, size);
1835 priv->ieee80211->current_network.qos_data.active = 0;
1836 priv->ieee80211->current_network.qos_data.supported = 0;
1837 set_qos_param = 1;
1838 }
1839
1840 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1841
1842 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__,
1843 network->flags, priv->ieee80211->current_network.qos_data.active);
1844 if (set_qos_param == 1)
1845 queue_work(priv->priv_wq, &priv->qos_activate);
1846
1847 return ret;
1848 }
1849
1850
1851 static int rtl8192_handle_assoc_response(struct net_device *dev,
1852 struct ieee80211_assoc_response_frame *resp,
1853 struct ieee80211_network *network)
1854 {
1855 struct r8192_priv *priv = ieee80211_priv(dev);
1856 rtl8192_qos_association_resp(priv, network);
1857 return 0;
1858 }
1859
1860
1861 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1862 static void rtl8192_update_ratr_table(struct net_device* dev)
1863 {
1864 struct r8192_priv* priv = ieee80211_priv(dev);
1865 struct ieee80211_device* ieee = priv->ieee80211;
1866 u8* pMcsRate = ieee->dot11HTOperationalRateSet;
1867 u32 ratr_value = 0;
1868 u8 rate_index = 0;
1869
1870 rtl8192_config_rate(dev, (u16*)(&ratr_value));
1871 ratr_value |= (*(u16*)(pMcsRate)) << 12;
1872
1873 switch (ieee->mode)
1874 {
1875 case IEEE_A:
1876 ratr_value &= 0x00000FF0;
1877 break;
1878 case IEEE_B:
1879 ratr_value &= 0x0000000F;
1880 break;
1881 case IEEE_G:
1882 ratr_value &= 0x00000FF7;
1883 break;
1884 case IEEE_N_24G:
1885 case IEEE_N_5G:
1886 if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
1887 ratr_value &= 0x0007F007;
1888 else{
1889 if (priv->rf_type == RF_1T2R)
1890 ratr_value &= 0x000FF007;
1891 else
1892 ratr_value &= 0x0F81F007;
1893 }
1894 break;
1895 default:
1896 break;
1897 }
1898 ratr_value &= 0x0FFFFFFF;
1899 if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
1900 ratr_value |= 0x80000000;
1901 }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
1902 ratr_value |= 0x80000000;
1903 }
1904 write_nic_dword(dev, RATR0+rate_index*4, ratr_value);
1905 write_nic_byte(dev, UFWP, 1);
1906 }
1907
1908 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
1909 {
1910 struct r8192_priv *priv = ieee80211_priv(dev);
1911 struct ieee80211_device *ieee = priv->ieee80211;
1912
1913 return !(ieee->rtllib_ap_sec_type &&
1914 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP)));
1915 }
1916
1917 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
1918 {
1919 struct ieee80211_device* ieee = priv->ieee80211;
1920 //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1921 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
1922 {
1923 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
1924 }
1925 else
1926 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
1927 }
1928
1929 static u8 rtl8192_getSupportedWireleeMode(struct net_device*dev)
1930 {
1931 struct r8192_priv *priv = ieee80211_priv(dev);
1932 u8 ret = 0;
1933 switch(priv->rf_chip)
1934 {
1935 case RF_8225:
1936 case RF_8256:
1937 case RF_PSEUDO_11N:
1938 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
1939 break;
1940 case RF_8258:
1941 ret = (WIRELESS_MODE_A|WIRELESS_MODE_N_5G);
1942 break;
1943 default:
1944 ret = WIRELESS_MODE_B;
1945 break;
1946 }
1947 return ret;
1948 }
1949
1950 static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
1951 {
1952 struct r8192_priv *priv = ieee80211_priv(dev);
1953 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
1954
1955 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
1956 {
1957 if(bSupportMode & WIRELESS_MODE_N_24G)
1958 {
1959 wireless_mode = WIRELESS_MODE_N_24G;
1960 }
1961 else if(bSupportMode & WIRELESS_MODE_N_5G)
1962 {
1963 wireless_mode = WIRELESS_MODE_N_5G;
1964 }
1965 else if((bSupportMode & WIRELESS_MODE_A))
1966 {
1967 wireless_mode = WIRELESS_MODE_A;
1968 }
1969 else if((bSupportMode & WIRELESS_MODE_G))
1970 {
1971 wireless_mode = WIRELESS_MODE_G;
1972 }
1973 else if((bSupportMode & WIRELESS_MODE_B))
1974 {
1975 wireless_mode = WIRELESS_MODE_B;
1976 }
1977 else{
1978 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
1979 wireless_mode = WIRELESS_MODE_B;
1980 }
1981 }
1982 priv->ieee80211->mode = wireless_mode;
1983
1984 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
1985 priv->ieee80211->pHTInfo->bEnableHT = 1;
1986 else
1987 priv->ieee80211->pHTInfo->bEnableHT = 0;
1988 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1989 rtl8192_refresh_supportrate(priv);
1990 }
1991
1992 static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
1993 {
1994 struct r8192_priv* priv = ieee80211_priv(dev);
1995 struct ieee80211_device* ieee = priv->ieee80211;
1996
1997 return ieee->bHalfWirelessN24GMode;
1998 }
1999
2000 short rtl8192_is_tx_queue_empty(struct net_device *dev)
2001 {
2002 int i=0;
2003 struct r8192_priv *priv = ieee80211_priv(dev);
2004 for (i=0; i<=MGNT_QUEUE; i++)
2005 {
2006 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
2007 continue;
2008 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
2009 printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
2010 return 0;
2011 }
2012 }
2013 return 1;
2014 }
2015
2016 static void rtl8192_hw_sleep_down(struct net_device *dev)
2017 {
2018 struct r8192_priv *priv = ieee80211_priv(dev);
2019 unsigned long flags = 0;
2020
2021 spin_lock_irqsave(&priv->rf_ps_lock,flags);
2022 if (priv->RFChangeInProgress) {
2023 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
2024 RT_TRACE(COMP_RF, "rtl8192_hw_sleep_down(): RF Change in progress! \n");
2025 printk("rtl8192_hw_sleep_down(): RF Change in progress!\n");
2026 return;
2027 }
2028 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
2029
2030 MgntActSet_RF_State(dev, eRfSleep, RF_CHANGE_BY_PS);
2031 }
2032
2033 static void rtl8192_hw_sleep_wq (struct work_struct *work)
2034 {
2035 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
2036 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq);
2037 struct net_device *dev = ieee->dev;
2038
2039 rtl8192_hw_sleep_down(dev);
2040 }
2041
2042 static void rtl8192_hw_wakeup(struct net_device* dev)
2043 {
2044 struct r8192_priv *priv = ieee80211_priv(dev);
2045 unsigned long flags = 0;
2046
2047 spin_lock_irqsave(&priv->rf_ps_lock,flags);
2048 if (priv->RFChangeInProgress) {
2049 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
2050 RT_TRACE(COMP_RF, "rtl8192_hw_wakeup(): RF Change in progress! \n");
2051 printk("rtl8192_hw_wakeup(): RF Change in progress! schedule wake up task again\n");
2052 queue_delayed_work(priv->ieee80211->wq,&priv->ieee80211->hw_wakeup_wq,MSECS(10));//PowerSave is not supported if kernel version is below 2.6.20
2053 return;
2054 }
2055 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
2056
2057 MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_PS);
2058 }
2059
2060 void rtl8192_hw_wakeup_wq (struct work_struct *work)
2061 {
2062 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
2063 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
2064 struct net_device *dev = ieee->dev;
2065 rtl8192_hw_wakeup(dev);
2066
2067 }
2068
2069 #define MIN_SLEEP_TIME 50
2070 #define MAX_SLEEP_TIME 10000
2071 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
2072 {
2073 struct r8192_priv *priv = ieee80211_priv(dev);
2074
2075 u32 rb = jiffies;
2076 unsigned long flags;
2077
2078 spin_lock_irqsave(&priv->ps_lock,flags);
2079
2080 // Writing HW register with 0 equals to disable
2081 // the timer, that is not really what we want
2082 //
2083 tl -= MSECS(8+16+7);
2084
2085 // If the interval in witch we are requested to sleep is too
2086 // short then give up and remain awake
2087 // when we sleep after send null frame, the timer will be too short to sleep.
2088 //
2089 if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
2090 ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
2091 spin_unlock_irqrestore(&priv->ps_lock,flags);
2092 printk("too short to sleep::%x, %x, %lx\n",tl, rb, MSECS(MIN_SLEEP_TIME));
2093 return;
2094 }
2095
2096 if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
2097 ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
2098 ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
2099 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME));
2100 spin_unlock_irqrestore(&priv->ps_lock,flags);
2101 return;
2102 }
2103 {
2104 u32 tmp = (tl>rb)?(tl-rb):(rb-tl);
2105 queue_delayed_work(priv->ieee80211->wq,
2106 &priv->ieee80211->hw_wakeup_wq,tmp);
2107 //PowerSave not supported when kernel version less 2.6.20
2108 }
2109 queue_delayed_work(priv->ieee80211->wq,
2110 (void *)&priv->ieee80211->hw_sleep_wq,0);
2111 spin_unlock_irqrestore(&priv->ps_lock,flags);
2112
2113 }
2114
2115 static void rtl8192_init_priv_variable(struct net_device* dev)
2116 {
2117 struct r8192_priv *priv = ieee80211_priv(dev);
2118 u8 i;
2119 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
2120
2121 // Default Halt the NIC if RF is OFF.
2122 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
2123 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
2124 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
2125 pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
2126 pPSC->bLeisurePs = true;
2127 pPSC->RegMaxLPSAwakeIntvl = 5;
2128 priv->bHwRadioOff = false;
2129
2130 priv->being_init_adapter = false;
2131 priv->txringcount = 64;//32;
2132 priv->rxbuffersize = 9100;//2048;//1024;
2133 priv->rxringcount = MAX_RX_COUNT;//64;
2134 priv->irq_enabled=0;
2135 priv->card_8192 = NIC_8192E;
2136 priv->rx_skb_complete = 1;
2137 priv->chan = 1; //set to channel 1
2138 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
2139 priv->RegChannelPlan = 0xf;
2140 priv->nrxAMPDU_size = 0;
2141 priv->nrxAMPDU_aggr_num = 0;
2142 priv->last_rxdesc_tsf_high = 0;
2143 priv->last_rxdesc_tsf_low = 0;
2144 priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
2145 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2146 priv->ieee80211->ieee_up=0;
2147 priv->retry_rts = DEFAULT_RETRY_RTS;
2148 priv->retry_data = DEFAULT_RETRY_DATA;
2149 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2150 priv->ieee80211->rate = 110; //11 mbps
2151 priv->ieee80211->short_slot = 1;
2152 priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0;
2153 priv->bcck_in_ch14 = false;
2154 priv->bfsync_processing = false;
2155 priv->CCKPresentAttentuation = 0;
2156 priv->rfa_txpowertrackingindex = 0;
2157 priv->rfc_txpowertrackingindex = 0;
2158 priv->CckPwEnl = 6;
2159 //added by amy for silent reset
2160 priv->ResetProgress = RESET_TYPE_NORESET;
2161 priv->bForcedSilentReset = 0;
2162 priv->bDisableNormalResetCheck = false;
2163 priv->force_reset = false;
2164 //added by amy for power save
2165 priv->ieee80211->RfOffReason = 0;
2166 priv->RFChangeInProgress = false;
2167 priv->bHwRfOffAction = 0;
2168 priv->SetRFPowerStateInProgress = false;
2169 priv->ieee80211->PowerSaveControl.bInactivePs = true;
2170 priv->ieee80211->PowerSaveControl.bIPSModeBackup = false;
2171 //just for debug
2172 priv->txpower_checkcnt = 0;
2173 priv->thermal_readback_index =0;
2174 priv->txpower_tracking_callback_cnt = 0;
2175 priv->ccktxpower_adjustcnt_ch14 = 0;
2176 priv->ccktxpower_adjustcnt_not_ch14 = 0;
2177
2178 priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
2179 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2180 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2181 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2182 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
2183 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE;
2184
2185 priv->ieee80211->active_scan = 1;
2186 priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2187 priv->ieee80211->host_encrypt = 1;
2188 priv->ieee80211->host_decrypt = 1;
2189 //priv->ieee80211->start_send_beacons = NULL;//rtl819xusb_beacon_tx;//-by amy 080604
2190 //priv->ieee80211->stop_send_beacons = NULL;//rtl8192_beacon_stop;//-by amy 080604
2191 priv->ieee80211->start_send_beacons = rtl8192_start_beacon;//+by david 081107
2192 priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;//+by david 081107
2193 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2194 priv->ieee80211->set_chan = rtl8192_set_chan;
2195 priv->ieee80211->link_change = rtl8192_link_change;
2196 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2197 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2198 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2199 priv->ieee80211->init_wmmparam_flag = 0;
2200 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2201 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2202 priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
2203 priv->ieee80211->qos_support = 1;
2204 priv->ieee80211->dot11PowerSaveMode = 0;
2205 //added by WB
2206 // priv->ieee80211->SwChnlByTimerHandler = rtl8192_phy_SwChnl;
2207 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2208 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2209 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2210
2211 priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
2212 // priv->ieee80211->ps_request_tx_ack = rtl8192_rq_tx_ack;
2213 priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
2214 priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
2215 //added by david
2216 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
2217 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2218 priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
2219
2220 //added by amy
2221 priv->ieee80211->InitialGainHandler = InitialGain819xPci;
2222
2223 #ifdef ENABLE_IPS
2224 priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
2225 priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
2226 #endif
2227 #ifdef ENABLE_LPS
2228 priv->ieee80211->LeisurePSLeave = LeisurePSLeave;
2229 #endif
2230
2231 priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
2232 priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
2233
2234 priv->ShortRetryLimit = 0x30;
2235 priv->LongRetryLimit = 0x30;
2236
2237 priv->ReceiveConfig = RCR_ADD3 |
2238 RCR_AMF | RCR_ADF | //accept management/data
2239 RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
2240 RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
2241 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
2242 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
2243
2244 priv->irq_mask = (u32)(IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |
2245 IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |
2246 IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |
2247 IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER);
2248
2249 priv->pFirmware = vzalloc(sizeof(rt_firmware));
2250
2251 /* rx related queue */
2252 skb_queue_head_init(&priv->skb_queue);
2253
2254 /* Tx related queue */
2255 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
2256 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
2257 }
2258 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
2259 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
2260 }
2261 priv->rf_set_chan = rtl8192_phy_SwChnl;
2262 }
2263
2264 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
2265 {
2266 spin_lock_init(&priv->tx_lock);
2267 spin_lock_init(&priv->irq_th_lock);
2268 spin_lock_init(&priv->rf_ps_lock);
2269 spin_lock_init(&priv->ps_lock);
2270 sema_init(&priv->wx_sem,1);
2271 sema_init(&priv->rf_sem,1);
2272 mutex_init(&priv->mutex);
2273 }
2274
2275 /* init tasklet and wait_queue here */
2276 #define DRV_NAME "wlan0"
2277 static void rtl8192_init_priv_task(struct net_device* dev)
2278 {
2279 struct r8192_priv *priv = ieee80211_priv(dev);
2280
2281 #ifdef PF_SYNCTHREAD
2282 priv->priv_wq = create_workqueue(DRV_NAME,0);
2283 #else
2284 priv->priv_wq = create_workqueue(DRV_NAME);
2285 #endif
2286
2287 #ifdef ENABLE_IPS
2288 INIT_WORK(&priv->ieee80211->ips_leave_wq, (void*)IPSLeave_wq);
2289 #endif
2290
2291 // INIT_WORK(&priv->reset_wq, (void(*)(void*)) rtl8192_restart);
2292 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2293 // INIT_DELAYED_WORK(&priv->watch_dog_wq, hal_dm_watchdog);
2294 INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2295 INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
2296 INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
2297 INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2298 //INIT_WORK(&priv->SwChnlWorkItem, rtl8192_SwChnl_WorkItem);
2299 //INIT_WORK(&priv->SetBWModeWorkItem, rtl8192_SetBWModeWorkItem);
2300 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2301 INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq,(void*) rtl8192_hw_wakeup_wq);
2302 INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq,(void*) rtl8192_hw_sleep_wq);
2303
2304 tasklet_init(&priv->irq_rx_tasklet,
2305 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2306 (unsigned long)priv);
2307 tasklet_init(&priv->irq_tx_tasklet,
2308 (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
2309 (unsigned long)priv);
2310 tasklet_init(&priv->irq_prepare_beacon_tasklet,
2311 (void(*)(unsigned long))rtl8192_prepare_beacon,
2312 (unsigned long)priv);
2313 }
2314
2315 static void rtl8192_get_eeprom_size(struct net_device* dev)
2316 {
2317 u16 curCR = 0;
2318 struct r8192_priv *priv = ieee80211_priv(dev);
2319 RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2320 curCR = read_nic_dword(dev, EPROM_CMD);
2321 RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2322 //whether need I consider BIT5?
2323 priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2324 RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2325 }
2326
2327 /*
2328 * used to swap endian. as ntohl & htonl are not
2329 * neccessary to swap endian, so use this instead.
2330 */
2331 static inline u16 endian_swap(u16* data)
2332 {
2333 u16 tmp = *data;
2334 *data = (tmp >> 8) | (tmp << 8);
2335 return *data;
2336 }
2337
2338 /*
2339 * Adapter->EEPROMAddressSize should be set before this function call.
2340 * EEPROM address size can be got through GetEEPROMSize8185()
2341 */
2342 static void rtl8192_read_eeprom_info(struct net_device* dev)
2343 {
2344 struct r8192_priv *priv = ieee80211_priv(dev);
2345
2346 u8 tempval;
2347 #ifdef RTL8192E
2348 u8 ICVer8192, ICVer8256;
2349 #endif
2350 u16 i,usValue, IC_Version;
2351 u16 EEPROMId;
2352 #ifdef RTL8190P
2353 u8 offset;
2354 u8 EepromTxPower[100];
2355 #endif
2356 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2357 RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2358
2359
2360 // TODO: I don't know if we need to apply EF function to EEPROM read function
2361
2362 //2 Read EEPROM ID to make sure autoload is success
2363 EEPROMId = eprom_read(dev, 0);
2364 if( EEPROMId != RTL8190_EEPROM_ID )
2365 {
2366 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2367 priv->AutoloadFailFlag=true;
2368 }
2369 else
2370 {
2371 priv->AutoloadFailFlag=false;
2372 }
2373
2374 //
2375 // Assign Chip Version ID
2376 //
2377 // Read IC Version && Channel Plan
2378 if(!priv->AutoloadFailFlag)
2379 {
2380 // VID, PID
2381 priv->eeprom_vid = eprom_read(dev, (EEPROM_VID >> 1));
2382 priv->eeprom_did = eprom_read(dev, (EEPROM_DID >> 1));
2383
2384 usValue = eprom_read(dev, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2385 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2386 usValue = eprom_read(dev, (EEPROM_ICVersion_ChannelPlan>>1));
2387 priv->eeprom_ChannelPlan = usValue&0xff;
2388 IC_Version = ((usValue&0xff00)>>8);
2389
2390 #ifdef RTL8190P
2391 priv->card_8192_version = (VERSION_8190)(IC_Version);
2392 #else
2393 #ifdef RTL8192E
2394 ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2395 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2396 RT_TRACE(COMP_INIT, "\nICVer8192 = 0x%x\n", ICVer8192);
2397 RT_TRACE(COMP_INIT, "\nICVer8256 = 0x%x\n", ICVer8256);
2398 if(ICVer8192 == 0x2) //B-cut
2399 {
2400 if(ICVer8256 == 0x5) //E-cut
2401 priv->card_8192_version= VERSION_8190_BE;
2402 }
2403 #endif
2404 #endif
2405 switch(priv->card_8192_version)
2406 {
2407 case VERSION_8190_BD:
2408 case VERSION_8190_BE:
2409 break;
2410 default:
2411 priv->card_8192_version = VERSION_8190_BD;
2412 break;
2413 }
2414 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2415 }
2416 else
2417 {
2418 priv->card_8192_version = VERSION_8190_BD;
2419 priv->eeprom_vid = 0;
2420 priv->eeprom_did = 0;
2421 priv->eeprom_CustomerID = 0;
2422 priv->eeprom_ChannelPlan = 0;
2423 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", 0xff);
2424 }
2425
2426 RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2427 RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2428 RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2429
2430 //2 Read Permanent MAC address
2431 if(!priv->AutoloadFailFlag)
2432 {
2433 for(i = 0; i < 6; i += 2)
2434 {
2435 usValue = eprom_read(dev, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2436 *(u16*)(&dev->dev_addr[i]) = usValue;
2437 }
2438 } else {
2439 // when auto load failed, the last address byte set to be a random one.
2440 // added by david woo.2007/11/7
2441 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2442 }
2443
2444 RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
2445
2446 //2 TX Power Check EEPROM Fail or not
2447 if(priv->card_8192_version > VERSION_8190_BD) {
2448 priv->bTXPowerDataReadFromEEPORM = true;
2449 } else {
2450 priv->bTXPowerDataReadFromEEPORM = false;
2451 }
2452
2453 // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2454 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2455
2456 if(priv->card_8192_version > VERSION_8190_BD)
2457 {
2458 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2459 if(!priv->AutoloadFailFlag)
2460 {
2461 tempval = (eprom_read(dev, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2462 priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0]
2463
2464 if (tempval&0x80) //RF-indication, bit[7]
2465 priv->rf_type = RF_1T2R;
2466 else
2467 priv->rf_type = RF_2T4R;
2468 }
2469 else
2470 {
2471 priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2472 }
2473 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2474 priv->EEPROMLegacyHTTxPowerDiff);
2475
2476 // Read ThermalMeter from EEPROM
2477 if(!priv->AutoloadFailFlag)
2478 {
2479 priv->EEPROMThermalMeter = (u8)(((eprom_read(dev, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2480 }
2481 else
2482 {
2483 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2484 }
2485 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2486 //vivi, for tx power track
2487 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2488
2489 if(priv->epromtype == EPROM_93c46)
2490 {
2491 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2492 if(!priv->AutoloadFailFlag)
2493 {
2494 usValue = eprom_read(dev, (EEPROM_TxPwDiff_CrystalCap>>1));
2495 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2496 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2497 }
2498 else
2499 {
2500 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2501 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2502 }
2503 RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2504 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2505
2506 //
2507 // Get per-channel Tx Power Level
2508 //
2509 for(i=0; i<14; i+=2)
2510 {
2511 if(!priv->AutoloadFailFlag)
2512 {
2513 usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2514 }
2515 else
2516 {
2517 usValue = EEPROM_Default_TxPower;
2518 }
2519 *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2520 RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2521 RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2522 }
2523 for(i=0; i<14; i+=2)
2524 {
2525 if(!priv->AutoloadFailFlag)
2526 {
2527 usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2528 }
2529 else
2530 {
2531 usValue = EEPROM_Default_TxPower;
2532 }
2533 *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2534 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2535 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2536 }
2537 }
2538 else if(priv->epromtype== EPROM_93c56)
2539 {
2540 #ifdef RTL8190P
2541 // Read CrystalCap from EEPROM
2542 if(!priv->AutoloadFailFlag)
2543 {
2544 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2545 priv->EEPROMCrystalCap = (u8)(((eprom_read(dev, (EEPROM_C56_CrystalCap>>1))) & 0xf000)>>12);
2546 }
2547 else
2548 {
2549 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2550 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2551 }
2552 RT_TRACE(COMP_INIT,"EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2553 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2554
2555 // Get Tx Power Level by Channel
2556 if(!priv->AutoloadFailFlag)
2557 {
2558 // Read Tx power of Channel 1 ~ 14 from EEPROM.
2559 for(i = 0; i < 12; i+=2)
2560 {
2561 if (i <6)
2562 offset = EEPROM_C56_RfA_CCK_Chnl1_TxPwIndex + i;
2563 else
2564 offset = EEPROM_C56_RfC_CCK_Chnl1_TxPwIndex + i - 6;
2565 usValue = eprom_read(dev, (offset>>1));
2566 *((u16*)(&EepromTxPower[i])) = usValue;
2567 }
2568
2569 for(i = 0; i < 12; i++)
2570 {
2571 if (i <= 2)
2572 priv->EEPROMRfACCKChnl1TxPwLevel[i] = EepromTxPower[i];
2573 else if ((i >=3 )&&(i <= 5))
2574 priv->EEPROMRfAOfdmChnlTxPwLevel[i-3] = EepromTxPower[i];
2575 else if ((i >=6 )&&(i <= 8))
2576 priv->EEPROMRfCCCKChnl1TxPwLevel[i-6] = EepromTxPower[i];
2577 else
2578 priv->EEPROMRfCOfdmChnlTxPwLevel[i-9] = EepromTxPower[i];
2579 }
2580 }
2581 else
2582 {
2583 priv->EEPROMRfACCKChnl1TxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2584 priv->EEPROMRfACCKChnl1TxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2585 priv->EEPROMRfACCKChnl1TxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2586
2587 priv->EEPROMRfAOfdmChnlTxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2588 priv->EEPROMRfAOfdmChnlTxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2589 priv->EEPROMRfAOfdmChnlTxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2590
2591 priv->EEPROMRfCCCKChnl1TxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2592 priv->EEPROMRfCCCKChnl1TxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2593 priv->EEPROMRfCCCKChnl1TxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2594
2595 priv->EEPROMRfCOfdmChnlTxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2596 priv->EEPROMRfCOfdmChnlTxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2597 priv->EEPROMRfCOfdmChnlTxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2598 }
2599 RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[0] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[0]);
2600 RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[1] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[1]);
2601 RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[2] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[2]);
2602 RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[0] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[0]);
2603 RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[1] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[1]);
2604 RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[2] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[2]);
2605 RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[0] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[0]);
2606 RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[1] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[1]);
2607 RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[2] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[2]);
2608 RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[0] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[0]);
2609 RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[1] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[1]);
2610 RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[2] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[2]);
2611 #endif
2612
2613 }
2614 //
2615 // Update HAL variables.
2616 //
2617 if(priv->epromtype == EPROM_93c46)
2618 {
2619 for(i=0; i<14; i++)
2620 {
2621 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2622 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
2623 }
2624 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2625 // Antenna B gain offset to antenna A, bit0~3
2626 priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
2627 // Antenna C gain offset to antenna A, bit4~7
2628 priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
2629 // Antenna D gain offset to antenna A, bit8~11
2630 priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
2631 // CrystalCap, bit12~15
2632 priv->CrystalCap = priv->EEPROMCrystalCap;
2633 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2634 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2635 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2636 }
2637 else if(priv->epromtype == EPROM_93c56)
2638 {
2639 //char cck_pwr_diff_a=0, cck_pwr_diff_c=0;
2640
2641 //cck_pwr_diff_a = pHalData->EEPROMRfACCKChnl7TxPwLevel - pHalData->EEPROMRfAOfdmChnlTxPwLevel[1];
2642 //cck_pwr_diff_c = pHalData->EEPROMRfCCCKChnl7TxPwLevel - pHalData->EEPROMRfCOfdmChnlTxPwLevel[1];
2643 for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level.
2644 {
2645 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0];
2646 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
2647 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0];
2648 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
2649 }
2650 for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level
2651 {
2652 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1];
2653 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
2654 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1];
2655 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
2656 }
2657 for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level
2658 {
2659 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2];
2660 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
2661 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2];
2662 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
2663 }
2664 for(i=0; i<14; i++)
2665 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
2666 for(i=0; i<14; i++)
2667 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
2668 for(i=0; i<14; i++)
2669 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
2670 for(i=0; i<14; i++)
2671 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
2672 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2673 priv->AntennaTxPwDiff[0] = 0;
2674 priv->AntennaTxPwDiff[1] = 0;
2675 priv->AntennaTxPwDiff[2] = 0;
2676 priv->CrystalCap = priv->EEPROMCrystalCap;
2677 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2678 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2679 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2680 }
2681 }
2682
2683 if(priv->rf_type == RF_1T2R)
2684 {
2685 RT_TRACE(COMP_INIT, "\n1T2R config\n");
2686 }
2687 else if (priv->rf_type == RF_2T4R)
2688 {
2689 RT_TRACE(COMP_INIT, "\n2T4R config\n");
2690 }
2691
2692 // 2008/01/16 MH We can only know RF type in the function. So we have to init
2693 // DIG RATR table again.
2694 init_rate_adaptive(dev);
2695
2696 //1 Make a copy for following variables and we can change them if we want
2697
2698 priv->rf_chip= RF_8256;
2699
2700 if(priv->RegChannelPlan == 0xf)
2701 {
2702 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2703 }
2704 else
2705 {
2706 priv->ChannelPlan = priv->RegChannelPlan;
2707 }
2708
2709 //
2710 // Used PID and DID to Set CustomerID
2711 //
2712 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 )
2713 {
2714 priv->CustomerID = RT_CID_DLINK;
2715 }
2716
2717 switch(priv->eeprom_CustomerID)
2718 {
2719 case EEPROM_CID_DEFAULT:
2720 priv->CustomerID = RT_CID_DEFAULT;
2721 break;
2722 case EEPROM_CID_CAMEO:
2723 priv->CustomerID = RT_CID_819x_CAMEO;
2724 break;
2725 case EEPROM_CID_RUNTOP:
2726 priv->CustomerID = RT_CID_819x_RUNTOP;
2727 break;
2728 case EEPROM_CID_NetCore:
2729 priv->CustomerID = RT_CID_819x_Netcore;
2730 break;
2731 case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31
2732 priv->CustomerID = RT_CID_TOSHIBA;
2733 if(priv->eeprom_ChannelPlan&0x80)
2734 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
2735 else
2736 priv->ChannelPlan = 0x0;
2737 RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
2738 priv->ChannelPlan);
2739 break;
2740 case EEPROM_CID_Nettronix:
2741 priv->CustomerID = RT_CID_Nettronix;
2742 break;
2743 case EEPROM_CID_Pronet:
2744 priv->CustomerID = RT_CID_PRONET;
2745 break;
2746 case EEPROM_CID_DLINK:
2747 priv->CustomerID = RT_CID_DLINK;
2748 break;
2749
2750 case EEPROM_CID_WHQL:
2751 //Adapter->bInHctTest = TRUE;//do not supported
2752
2753 //priv->bSupportTurboMode = FALSE;
2754 //priv->bAutoTurboBy8186 = FALSE;
2755
2756 //pMgntInfo->PowerSaveControl.bInactivePs = FALSE;
2757 //pMgntInfo->PowerSaveControl.bIPSModeBackup = FALSE;
2758 //pMgntInfo->PowerSaveControl.bLeisurePs = FALSE;
2759
2760 break;
2761 default:
2762 // value from RegCustomerID
2763 break;
2764 }
2765
2766 //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2767 if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
2768 priv->ChannelPlan = 0; //FCC
2769
2770 switch(priv->CustomerID)
2771 {
2772 case RT_CID_DEFAULT:
2773 #ifdef RTL8190P
2774 priv->LedStrategy = HW_LED;
2775 #else
2776 #ifdef RTL8192E
2777 priv->LedStrategy = SW_LED_MODE1;
2778 #endif
2779 #endif
2780 break;
2781
2782 case RT_CID_819x_CAMEO:
2783 priv->LedStrategy = SW_LED_MODE2;
2784 break;
2785
2786 case RT_CID_819x_RUNTOP:
2787 priv->LedStrategy = SW_LED_MODE3;
2788 break;
2789
2790 case RT_CID_819x_Netcore:
2791 priv->LedStrategy = SW_LED_MODE4;
2792 break;
2793
2794 case RT_CID_Nettronix:
2795 priv->LedStrategy = SW_LED_MODE5;
2796 break;
2797
2798 case RT_CID_PRONET:
2799 priv->LedStrategy = SW_LED_MODE6;
2800 break;
2801
2802 case RT_CID_TOSHIBA: //Modify by Jacken 2008/01/31
2803 // Do nothing.
2804 //break;
2805
2806 default:
2807 #ifdef RTL8190P
2808 priv->LedStrategy = HW_LED;
2809 #else
2810 #ifdef RTL8192E
2811 priv->LedStrategy = SW_LED_MODE1;
2812 #endif
2813 #endif
2814 break;
2815 }
2816
2817
2818 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304)
2819 priv->ieee80211->bSupportRemoteWakeUp = true;
2820 else
2821 priv->ieee80211->bSupportRemoteWakeUp = false;
2822
2823
2824 RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
2825 RT_TRACE(COMP_INIT, "ChannelPlan = %d \n", priv->ChannelPlan);
2826 RT_TRACE(COMP_INIT, "LedStrategy = %d \n", priv->LedStrategy);
2827 RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
2828
2829 return ;
2830 }
2831
2832
2833 static short rtl8192_get_channel_map(struct net_device * dev)
2834 {
2835 struct r8192_priv *priv = ieee80211_priv(dev);
2836 #ifdef ENABLE_DOT11D
2837 if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
2838 printk("rtl8180_init:Error channel plan! Set to default.\n");
2839 priv->ChannelPlan= 0;
2840 }
2841 RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
2842
2843 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2844 #else
2845 int ch,i;
2846 //Set Default Channel Plan
2847 if(!channels){
2848 DMESG("No channels, aborting");
2849 return -1;
2850 }
2851 ch=channels;
2852 priv->ChannelPlan= 0;//hikaru
2853 // set channels 1..14 allowed in given locale
2854 for (i=1; i<=14; i++) {
2855 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
2856 ch >>= 1;
2857 }
2858 #endif
2859 return 0;
2860 }
2861
2862 static short rtl8192_init(struct net_device *dev)
2863 {
2864 struct r8192_priv *priv = ieee80211_priv(dev);
2865 memset(&(priv->stats),0,sizeof(struct Stats));
2866 rtl8192_init_priv_variable(dev);
2867 rtl8192_init_priv_lock(priv);
2868 rtl8192_init_priv_task(dev);
2869 rtl8192_get_eeprom_size(dev);
2870 rtl8192_read_eeprom_info(dev);
2871 rtl8192_get_channel_map(dev);
2872 init_hal_dm(dev);
2873 init_timer(&priv->watch_dog_timer);
2874 priv->watch_dog_timer.data = (unsigned long)dev;
2875 priv->watch_dog_timer.function = watch_dog_timer_callback;
2876 if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, dev)) {
2877 printk("Error allocating IRQ %d",dev->irq);
2878 return -1;
2879 }else{
2880 priv->irq=dev->irq;
2881 printk("IRQ %d",dev->irq);
2882 }
2883 if(rtl8192_pci_initdescring(dev)!=0){
2884 printk("Endopoints initialization failed");
2885 return -1;
2886 }
2887
2888 //rtl8192_rx_enable(dev);
2889 //rtl8192_adapter_start(dev);
2890 return 0;
2891 }
2892
2893 /*
2894 * Actually only set RRSR, RATR and BW_OPMODE registers
2895 * not to do all the hw config as its name says
2896 * This part need to modified according to the rate set we filtered
2897 */
2898 static void rtl8192_hwconfig(struct net_device* dev)
2899 {
2900 u32 regRATR = 0, regRRSR = 0;
2901 u8 regBwOpMode = 0, regTmp = 0;
2902 struct r8192_priv *priv = ieee80211_priv(dev);
2903
2904 // Set RRSR, RATR, and BW_OPMODE registers
2905 //
2906 switch(priv->ieee80211->mode)
2907 {
2908 case WIRELESS_MODE_B:
2909 regBwOpMode = BW_OPMODE_20MHZ;
2910 regRATR = RATE_ALL_CCK;
2911 regRRSR = RATE_ALL_CCK;
2912 break;
2913 case WIRELESS_MODE_A:
2914 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2915 regRATR = RATE_ALL_OFDM_AG;
2916 regRRSR = RATE_ALL_OFDM_AG;
2917 break;
2918 case WIRELESS_MODE_G:
2919 regBwOpMode = BW_OPMODE_20MHZ;
2920 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2921 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2922 break;
2923 case WIRELESS_MODE_AUTO:
2924 case WIRELESS_MODE_N_24G:
2925 // It support CCK rate by default.
2926 // CCK rate will be filtered out only when associated AP does not support it.
2927 regBwOpMode = BW_OPMODE_20MHZ;
2928 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2929 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2930 break;
2931 case WIRELESS_MODE_N_5G:
2932 regBwOpMode = BW_OPMODE_5G;
2933 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2934 regRRSR = RATE_ALL_OFDM_AG;
2935 break;
2936 }
2937
2938 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2939 {
2940 u32 ratr_value = 0;
2941 ratr_value = regRATR;
2942 if (priv->rf_type == RF_1T2R)
2943 {
2944 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2945 }
2946 write_nic_dword(dev, RATR0, ratr_value);
2947 write_nic_byte(dev, UFWP, 1);
2948 }
2949 regTmp = read_nic_byte(dev, 0x313);
2950 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2951 write_nic_dword(dev, RRSR, regRRSR);
2952
2953 //
2954 // Set Retry Limit here
2955 //
2956 write_nic_word(dev, RETRY_LIMIT,
2957 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2958 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2959 // Set Contention Window here
2960
2961 // Set Tx AGC
2962
2963 // Set Tx Antenna including Feedback control
2964
2965 // Set Auto Rate fallback control
2966
2967
2968 }
2969
2970
2971 static RT_STATUS rtl8192_adapter_start(struct net_device *dev)
2972 {
2973 struct r8192_priv *priv = ieee80211_priv(dev);
2974 // struct ieee80211_device *ieee = priv->ieee80211;
2975 u32 ulRegRead;
2976 RT_STATUS rtStatus = RT_STATUS_SUCCESS;
2977 //u8 eRFPath;
2978 u8 tmpvalue;
2979 #ifdef RTL8192E
2980 u8 ICVersion,SwitchingRegulatorOutput;
2981 #endif
2982 bool bfirmwareok = true;
2983 #ifdef RTL8190P
2984 u8 ucRegRead;
2985 #endif
2986 u32 tmpRegA, tmpRegC, TempCCk;
2987 int i =0;
2988
2989 RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
2990 priv->being_init_adapter = true;
2991 rtl8192_pci_resetdescring(dev);
2992 // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2993 priv->Rf_Mode = RF_OP_By_SW_3wire;
2994 #ifdef RTL8192E
2995 //dPLL on
2996 if(priv->ResetProgress == RESET_TYPE_NORESET)
2997 {
2998 write_nic_byte(dev, ANAPAR, 0x37);
2999 // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
3000 // Joseph increae the time to prevent firmware download fail
3001 mdelay(500);
3002 }
3003 #endif
3004 //PlatformSleepUs(10000);
3005 // For any kind of InitializeAdapter process, we shall use system now!!
3006 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
3007
3008 //
3009 //3 //Config CPUReset Register
3010 //3//
3011 //3 Firmware Reset Or Not
3012 ulRegRead = read_nic_dword(dev, CPU_GEN);
3013 if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
3014 { //called from MPInitialized. do nothing
3015 ulRegRead |= CPU_GEN_SYSTEM_RESET;
3016 }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
3017 ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset
3018 else
3019 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status);
3020
3021 #ifdef RTL8190P
3022 //2008.06.03, for WOL 90 hw bug
3023 ulRegRead &= (~(CPU_GEN_GPIO_UART));
3024 #endif
3025
3026 write_nic_dword(dev, CPU_GEN, ulRegRead);
3027 //mdelay(100);
3028
3029 #ifdef RTL8192E
3030
3031 //3//
3032 //3 //Fix the issue of E-cut high temperature issue
3033 //3//
3034 // TODO: E cut only
3035 ICVersion = read_nic_byte(dev, IC_VERRSION);
3036 if(ICVersion >= 0x4) //E-cut only
3037 {
3038 // HW SD suggest that we should not wirte this register too often, so driver
3039 // should readback this register. This register will be modified only when
3040 // power on reset
3041 SwitchingRegulatorOutput = read_nic_byte(dev, SWREGULATOR);
3042 if(SwitchingRegulatorOutput != 0xb8)
3043 {
3044 write_nic_byte(dev, SWREGULATOR, 0xa8);
3045 mdelay(1);
3046 write_nic_byte(dev, SWREGULATOR, 0xb8);
3047 }
3048 }
3049 #endif
3050
3051
3052 //3//
3053 //3// Initialize BB before MAC
3054 //3//
3055 RT_TRACE(COMP_INIT, "BB Config Start!\n");
3056 rtStatus = rtl8192_BBConfig(dev);
3057 if(rtStatus != RT_STATUS_SUCCESS)
3058 {
3059 RT_TRACE(COMP_ERR, "BB Config failed\n");
3060 return rtStatus;
3061 }
3062 RT_TRACE(COMP_INIT,"BB Config Finished!\n");
3063
3064 //3//Set Loopback mode or Normal mode
3065 //3//
3066 //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
3067 // because setting of System_Reset bit reset MAC to default transmission mode.
3068 //Loopback mode or not
3069 priv->LoopbackMode = RTL819X_NO_LOOPBACK;
3070 //priv->LoopbackMode = RTL819X_MAC_LOOPBACK;
3071 if(priv->ResetProgress == RESET_TYPE_NORESET)
3072 {
3073 ulRegRead = read_nic_dword(dev, CPU_GEN);
3074 if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
3075 {
3076 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
3077 }
3078 else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
3079 {
3080 ulRegRead |= CPU_CCK_LOOPBACK;
3081 }
3082 else
3083 {
3084 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
3085 }
3086
3087 //2008.06.03, for WOL
3088 //ulRegRead &= (~(CPU_GEN_GPIO_UART));
3089 write_nic_dword(dev, CPU_GEN, ulRegRead);
3090
3091 // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
3092 udelay(500);
3093 }
3094 //3Set Hardware(Do nothing now)
3095 rtl8192_hwconfig(dev);
3096 //2=======================================================
3097 // Common Setting for all of the FPGA platform. (part 1)
3098 //2=======================================================
3099 // If there is changes, please make sure it applies to all of the FPGA version
3100 //3 Turn on Tx/Rx
3101 write_nic_byte(dev, CMDR, CR_RE|CR_TE);
3102
3103 //2Set Tx dma burst
3104 #ifdef RTL8190P
3105 write_nic_byte(dev, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
3106 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) |
3107 (1<<MULRW_SHIFT)));
3108 #else
3109 #ifdef RTL8192E
3110 write_nic_byte(dev, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
3111 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
3112 #endif
3113 #endif
3114 //set IDR0 here
3115 write_nic_dword(dev, MAC0, ((u32*)dev->dev_addr)[0]);
3116 write_nic_word(dev, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
3117 //set RCR
3118 write_nic_dword(dev, RCR, priv->ReceiveConfig);
3119
3120 //3 Initialize Number of Reserved Pages in Firmware Queue
3121 #ifdef TO_DO_LIST
3122 if(priv->bInHctTest)
3123 {
3124 PlatformEFIOWrite4Byte(Adapter, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK_DTM << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
3125 NUM_OF_PAGE_IN_FW_QUEUE_BE_DTM << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
3126 NUM_OF_PAGE_IN_FW_QUEUE_VI_DTM << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
3127 NUM_OF_PAGE_IN_FW_QUEUE_VO_DTM <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
3128 PlatformEFIOWrite4Byte(Adapter, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
3129 PlatformEFIOWrite4Byte(Adapter, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
3130 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
3131 NUM_OF_PAGE_IN_FW_QUEUE_PUB_DTM<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
3132 }
3133 else
3134 #endif
3135 {
3136 write_nic_dword(dev, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
3137 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
3138 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
3139 NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
3140 write_nic_dword(dev, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
3141 write_nic_dword(dev, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
3142 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
3143 NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
3144 }
3145
3146 rtl8192_tx_enable(dev);
3147 rtl8192_rx_enable(dev);
3148 //3Set Response Rate Setting Register
3149 // CCK rate is supported by default.
3150 // CCK rate will be filtered out only when associated AP does not support it.
3151 ulRegRead = (0xFFF00000 & read_nic_dword(dev, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
3152 write_nic_dword(dev, RRSR, ulRegRead);
3153 write_nic_dword(dev, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
3154
3155 //2Set AckTimeout
3156 // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
3157 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
3158
3159 //rtl8192_actset_wirelessmode(dev,priv->RegWirelessMode);
3160 if(priv->ResetProgress == RESET_TYPE_NORESET)
3161 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
3162 //-----------------------------------------------------------------------------
3163 // Set up security related. 070106, by rcnjko:
3164 // 1. Clear all H/W keys.
3165 // 2. Enable H/W encryption/decryption.
3166 //-----------------------------------------------------------------------------
3167 CamResetAllEntry(dev);
3168 {
3169 u8 SECR_value = 0x0;
3170 SECR_value |= SCR_TxEncEnable;
3171 SECR_value |= SCR_RxDecEnable;
3172 SECR_value |= SCR_NoSKMC;
3173 write_nic_byte(dev, SECR, SECR_value);
3174 }
3175 //3Beacon related
3176 write_nic_word(dev, ATIMWND, 2);
3177 write_nic_word(dev, BCN_INTERVAL, 100);
3178 for (i=0; i<QOS_QUEUE_NUM; i++)
3179 write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
3180 //
3181 // Switching regulator controller: This is set temporarily.
3182 // It's not sure if this can be removed in the future.
3183 // PJ advised to leave it by default.
3184 //
3185 write_nic_byte(dev, 0xbe, 0xc0);
3186
3187 //2=======================================================
3188 // Set PHY related configuration defined in MAC register bank
3189 //2=======================================================
3190 rtl8192_phy_configmac(dev);
3191
3192 if (priv->card_8192_version > (u8) VERSION_8190_BD) {
3193 rtl8192_phy_getTxPower(dev);
3194 rtl8192_phy_setTxPower(dev, priv->chan);
3195 }
3196
3197 //if D or C cut
3198 tmpvalue = read_nic_byte(dev, IC_VERRSION);
3199 priv->IC_Cut = tmpvalue;
3200 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
3201 if(priv->IC_Cut >= IC_VersionCut_D)
3202 {
3203 //pHalData->bDcut = TRUE;
3204 if(priv->IC_Cut == IC_VersionCut_D)
3205 RT_TRACE(COMP_INIT, "D-cut\n");
3206 if(priv->IC_Cut == IC_VersionCut_E)
3207 {
3208 RT_TRACE(COMP_INIT, "E-cut\n");
3209 // HW SD suggest that we should not wirte this register too often, so driver
3210 // should readback this register. This register will be modified only when
3211 // power on reset
3212 }
3213 }
3214 else
3215 {
3216 //pHalData->bDcut = FALSE;
3217 RT_TRACE(COMP_INIT, "Before C-cut\n");
3218 }
3219
3220 #if 1
3221 //Firmware download
3222 RT_TRACE(COMP_INIT, "Load Firmware!\n");
3223 bfirmwareok = init_firmware(dev);
3224 if(bfirmwareok != true) {
3225 rtStatus = RT_STATUS_FAILURE;
3226 return rtStatus;
3227 }
3228 RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
3229 #endif
3230 //RF config
3231 if(priv->ResetProgress == RESET_TYPE_NORESET)
3232 {
3233 RT_TRACE(COMP_INIT, "RF Config Started!\n");
3234 rtStatus = rtl8192_phy_RFConfig(dev);
3235 if(rtStatus != RT_STATUS_SUCCESS)
3236 {
3237 RT_TRACE(COMP_ERR, "RF Config failed\n");
3238 return rtStatus;
3239 }
3240 RT_TRACE(COMP_INIT, "RF Config Finished!\n");
3241 }
3242 rtl8192_phy_updateInitGain(dev);
3243
3244 /*---- Set CCK and OFDM Block "ON"----*/
3245 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
3246 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
3247
3248 #ifdef RTL8192E
3249 //Enable Led
3250 write_nic_byte(dev, 0x87, 0x0);
3251 #endif
3252 #ifdef RTL8190P
3253 //2008.06.03, for WOL
3254 ucRegRead = read_nic_byte(dev, GPE);
3255 ucRegRead |= BIT0;
3256 write_nic_byte(dev, GPE, ucRegRead);
3257
3258 ucRegRead = read_nic_byte(dev, GPO);
3259 ucRegRead &= ~BIT0;
3260 write_nic_byte(dev, GPO, ucRegRead);
3261 #endif
3262
3263 //2=======================================================
3264 // RF Power Save
3265 //2=======================================================
3266 #ifdef ENABLE_IPS
3267
3268 {
3269 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
3270 { // H/W or S/W RF OFF before sleep.
3271 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d) ----------\n", __FUNCTION__,priv->ieee80211->RfOffReason);
3272 MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason);
3273 }
3274 else if(priv->ieee80211->RfOffReason >= RF_CHANGE_BY_IPS)
3275 { // H/W or S/W RF OFF before sleep.
3276 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d) ----------\n", __FUNCTION__,priv->ieee80211->RfOffReason);
3277 MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason);
3278 }
3279 else
3280 {
3281 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
3282 priv->ieee80211->eRFPowerState = eRfOn;
3283 priv->ieee80211->RfOffReason = 0;
3284 //DrvIFIndicateCurrentPhyStatus(Adapter);
3285 // LED control
3286 //Adapter->HalFunc.LedControlHandler(Adapter, LED_CTL_POWER_ON);
3287
3288 //
3289 // If inactive power mode is enabled, disable rf while in disconnected state.
3290 // But we should still tell upper layer we are in rf on state.
3291 // 2007.07.16, by shien chang.
3292 //
3293 //if(!Adapter->bInHctTest)
3294 //IPSEnter(Adapter);
3295
3296 }
3297 }
3298 #endif
3299 if(1){
3300 #ifdef RTL8192E
3301 // We can force firmware to do RF-R/W
3302 if(priv->ieee80211->FwRWRF)
3303 priv->Rf_Mode = RF_OP_By_FW;
3304 else
3305 priv->Rf_Mode = RF_OP_By_SW_3wire;
3306 #else
3307 priv->Rf_Mode = RF_OP_By_SW_3wire;
3308 #endif
3309 }
3310 #ifdef RTL8190P
3311 if(priv->ResetProgress == RESET_TYPE_NORESET)
3312 {
3313 dm_initialize_txpower_tracking(dev);
3314
3315 tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord);
3316 tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord);
3317
3318 if(priv->rf_type == RF_2T4R){
3319 for(i = 0; i<TxBBGainTableLength; i++)
3320 {
3321 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
3322 {
3323 priv->rfa_txpowertrackingindex= (u8)i;
3324 priv->rfa_txpowertrackingindex_real= (u8)i;
3325 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
3326 break;
3327 }
3328 }
3329 }
3330 for(i = 0; i<TxBBGainTableLength; i++)
3331 {
3332 if(tmpRegC == priv->txbbgain_table[i].txbbgain_value)
3333 {
3334 priv->rfc_txpowertrackingindex= (u8)i;
3335 priv->rfc_txpowertrackingindex_real= (u8)i;
3336 priv->rfc_txpowertracking_default = priv->rfc_txpowertrackingindex;
3337 break;
3338 }
3339 }
3340 TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
3341
3342 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
3343 {
3344 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
3345 {
3346 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
3347 break;
3348 }
3349 }
3350 priv->CCKPresentAttentuation_40Mdefault = 0;
3351 priv->CCKPresentAttentuation_difference = 0;
3352 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
3353 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
3354 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
3355 RT_TRACE(COMP_POWER_TRACKING, "priv->rfc_txpowertrackingindex_initial = %d\n", priv->rfc_txpowertrackingindex);
3356 RT_TRACE(COMP_POWER_TRACKING, "priv->rfc_txpowertrackingindex_real_initial = %d\n", priv->rfc_txpowertrackingindex_real);
3357 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
3358 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
3359 }
3360 #else
3361 #ifdef RTL8192E
3362 if(priv->ResetProgress == RESET_TYPE_NORESET)
3363 {
3364 dm_initialize_txpower_tracking(dev);
3365
3366 if(priv->IC_Cut >= IC_VersionCut_D)
3367 {
3368 tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord);
3369 tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord);
3370 for(i = 0; i<TxBBGainTableLength; i++)
3371 {
3372 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
3373 {
3374 priv->rfa_txpowertrackingindex= (u8)i;
3375 priv->rfa_txpowertrackingindex_real= (u8)i;
3376 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
3377 break;
3378 }
3379 }
3380
3381 TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
3382
3383 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
3384 {
3385 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
3386 {
3387 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
3388 break;
3389 }
3390 }
3391 priv->CCKPresentAttentuation_40Mdefault = 0;
3392 priv->CCKPresentAttentuation_difference = 0;
3393 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
3394 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
3395 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
3396 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
3397 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
3398 priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
3399 }
3400 }
3401 #endif
3402 #endif
3403 rtl8192_irq_enable(dev);
3404 priv->being_init_adapter = false;
3405 return rtStatus;
3406
3407 }
3408
3409 static void rtl8192_prepare_beacon(struct r8192_priv *priv)
3410 {
3411 struct sk_buff *skb;
3412 //unsigned long flags;
3413 cb_desc *tcb_desc;
3414
3415 skb = ieee80211_get_beacon(priv->ieee80211);
3416 tcb_desc = (cb_desc *)(skb->cb + 8);
3417 //spin_lock_irqsave(&priv->tx_lock,flags);
3418 /* prepare misc info for the beacon xmit */
3419 tcb_desc->queue_index = BEACON_QUEUE;
3420 /* IBSS does not support HT yet, use 1M defaultly */
3421 tcb_desc->data_rate = 2;
3422 tcb_desc->RATRIndex = 7;
3423 tcb_desc->bTxDisableRateFallBack = 1;
3424 tcb_desc->bTxUseDriverAssingedRate = 1;
3425
3426 skb_push(skb, priv->ieee80211->tx_headroom);
3427 if(skb){
3428 rtl8192_tx(priv->ieee80211->dev,skb);
3429 }
3430 //spin_unlock_irqrestore (&priv->tx_lock, flags);
3431 }
3432
3433
3434 /*
3435 * configure registers for beacon tx and enables it via
3436 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3437 * be used to stop beacon transmission
3438 */
3439 static void rtl8192_start_beacon(struct net_device *dev)
3440 {
3441 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3442 struct ieee80211_network *net = &priv->ieee80211->current_network;
3443 u16 BcnTimeCfg = 0;
3444 u16 BcnCW = 6;
3445 u16 BcnIFS = 0xf;
3446
3447 DMESG("Enabling beacon TX");
3448 //rtl8192_prepare_beacon(dev);
3449 rtl8192_irq_disable(dev);
3450 //rtl8192_beacon_tx_enable(dev);
3451
3452 /* ATIM window */
3453 write_nic_word(dev, ATIMWND, 2);
3454
3455 /* Beacon interval (in unit of TU) */
3456 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
3457
3458 /*
3459 * DrvErlyInt (in unit of TU).
3460 * (Time to send interrupt to notify driver to c
3461 * hange beacon content)
3462 * */
3463 write_nic_word(dev, BCN_DRV_EARLY_INT, 10);
3464
3465 /*
3466 * BcnDMATIM(in unit of us).
3467 * Indicates the time before TBTT to perform beacon queue DMA
3468 * */
3469 write_nic_word(dev, BCN_DMATIME, 256);
3470
3471 /*
3472 * Force beacon frame transmission even after receiving
3473 * beacon frame from other ad hoc STA
3474 * */
3475 write_nic_byte(dev, BCN_ERR_THRESH, 100);
3476
3477 /* Set CW and IFS */
3478 BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
3479 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
3480 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
3481
3482
3483 /* enable the interrupt for ad-hoc process */
3484 rtl8192_irq_enable(dev);
3485 }
3486
3487 static bool HalTxCheckStuck8190Pci(struct net_device *dev)
3488 {
3489 u16 RegTxCounter = read_nic_word(dev, 0x128);
3490 struct r8192_priv *priv = ieee80211_priv(dev);
3491 bool bStuck = FALSE;
3492 RT_TRACE(COMP_RESET,"%s():RegTxCounter is %d,TxCounter is %d\n",__FUNCTION__,RegTxCounter,priv->TxCounter);
3493 if(priv->TxCounter==RegTxCounter)
3494 bStuck = TRUE;
3495
3496 priv->TxCounter = RegTxCounter;
3497
3498 return bStuck;
3499 }
3500
3501 /*
3502 * Assumption: RT_TX_SPINLOCK is acquired.
3503 */
3504 static RESET_TYPE
3505 TxCheckStuck(struct net_device *dev)
3506 {
3507 struct r8192_priv *priv = ieee80211_priv(dev);
3508 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3509 bool bCheckFwTxCnt = false;
3510
3511 //
3512 // Decide Stuch threshold according to current power save mode
3513 //
3514 switch (priv->ieee80211->dot11PowerSaveMode)
3515 {
3516 // The threshold value may required to be adjusted .
3517 case eActive: // Active/Continuous access.
3518 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
3519 break;
3520 case eMaxPs: // Max power save mode.
3521 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3522 break;
3523 case eFastPs: // Fast power save mode.
3524 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3525 break;
3526 }
3527
3528 #if 1
3529 if(bCheckFwTxCnt)
3530 {
3531 if(HalTxCheckStuck8190Pci(dev))
3532 {
3533 RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
3534 return RESET_TYPE_SILENT;
3535 }
3536 }
3537 #endif
3538 return RESET_TYPE_NORESET;
3539 }
3540
3541
3542 static bool HalRxCheckStuck8190Pci(struct net_device *dev)
3543 {
3544 struct r8192_priv *priv = ieee80211_priv(dev);
3545 u16 RegRxCounter = read_nic_word(dev, 0x130);
3546 bool bStuck = FALSE;
3547 static u8 rx_chk_cnt = 0;
3548 RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
3549 // If rssi is small, we should check rx for long time because of bad rx.
3550 // or maybe it will continuous silent reset every 2 seconds.
3551 rx_chk_cnt++;
3552 if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
3553 {
3554 rx_chk_cnt = 0; //high rssi, check rx stuck right now.
3555 }
3556 else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
3557 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
3558 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
3559
3560 {
3561 if(rx_chk_cnt < 2)
3562 {
3563 return bStuck;
3564 }
3565 else
3566 {
3567 rx_chk_cnt = 0;
3568 }
3569 }
3570 else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
3571 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
3572 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
3573 {
3574 if(rx_chk_cnt < 4)
3575 {
3576 //DbgPrint("RSSI < %d && RSSI >= %d, no check this time \n", RateAdaptiveTH_Low, VeryLowRSSI);
3577 return bStuck;
3578 }
3579 else
3580 {
3581 rx_chk_cnt = 0;
3582 //DbgPrint("RSSI < %d && RSSI >= %d, check this time \n", RateAdaptiveTH_Low, VeryLowRSSI);
3583 }
3584 }
3585 else
3586 {
3587 if(rx_chk_cnt < 8)
3588 {
3589 //DbgPrint("RSSI <= %d, no check this time \n", VeryLowRSSI);
3590 return bStuck;
3591 }
3592 else
3593 {
3594 rx_chk_cnt = 0;
3595 //DbgPrint("RSSI <= %d, check this time \n", VeryLowRSSI);
3596 }
3597 }
3598 if(priv->RxCounter==RegRxCounter)
3599 bStuck = TRUE;
3600
3601 priv->RxCounter = RegRxCounter;
3602
3603 return bStuck;
3604 }
3605
3606 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3607 {
3608
3609 if(HalRxCheckStuck8190Pci(dev))
3610 {
3611 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3612 return RESET_TYPE_SILENT;
3613 }
3614
3615 return RESET_TYPE_NORESET;
3616 }
3617
3618 static RESET_TYPE
3619 rtl819x_ifcheck_resetornot(struct net_device *dev)
3620 {
3621 struct r8192_priv *priv = ieee80211_priv(dev);
3622 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
3623 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
3624 RT_RF_POWER_STATE rfState;
3625
3626 rfState = priv->ieee80211->eRFPowerState;
3627
3628 TxResetType = TxCheckStuck(dev);
3629 #if 1
3630 if( rfState != eRfOff &&
3631 /*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/
3632 (priv->ieee80211->iw_mode != IW_MODE_ADHOC))
3633 {
3634 // If driver is in the status of firmware download failure , driver skips RF initialization and RF is
3635 // in turned off state. Driver should check whether Rx stuck and do silent reset. And
3636 // if driver is in firmware download failure status, driver should initialize RF in the following
3637 // silent reset procedure Emily, 2008.01.21
3638
3639 // Driver should not check RX stuck in IBSS mode because it is required to
3640 // set Check BSSID in order to send beacon, however, if check BSSID is
3641 // set, STA cannot hear any packet a all. Emily, 2008.04.12
3642 RxResetType = RxCheckStuck(dev);
3643 }
3644 #endif
3645
3646 RT_TRACE(COMP_RESET,"%s(): TxResetType is %d, RxResetType is %d\n",__FUNCTION__,TxResetType,RxResetType);
3647 if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL)
3648 return RESET_TYPE_NORMAL;
3649 else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT)
3650 return RESET_TYPE_SILENT;
3651 else
3652 return RESET_TYPE_NORESET;
3653
3654 }
3655
3656
3657 static void CamRestoreAllEntry(struct net_device *dev)
3658 {
3659 u8 EntryId = 0;
3660 struct r8192_priv *priv = ieee80211_priv(dev);
3661 const u8* MacAddr = priv->ieee80211->current_network.bssid;
3662
3663 static const u8 CAM_CONST_ADDR[4][6] = {
3664 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3665 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3666 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3667 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03}};
3668 static const u8 CAM_CONST_BROAD[] =
3669 {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3670
3671 RT_TRACE(COMP_SEC, "CamRestoreAllEntry: \n");
3672
3673
3674 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40)||
3675 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104))
3676 {
3677
3678 for(EntryId=0; EntryId<4; EntryId++)
3679 {
3680 {
3681 MacAddr = CAM_CONST_ADDR[EntryId];
3682 setKey(dev,
3683 EntryId ,
3684 EntryId,
3685 priv->ieee80211->pairwise_key_type,
3686 MacAddr,
3687 0,
3688 NULL);
3689 }
3690 }
3691
3692 }
3693 else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP)
3694 {
3695
3696 {
3697 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3698 setKey(dev,
3699 4,
3700 0,
3701 priv->ieee80211->pairwise_key_type,
3702 (u8*)dev->dev_addr,
3703 0,
3704 NULL);
3705 else
3706 setKey(dev,
3707 4,
3708 0,
3709 priv->ieee80211->pairwise_key_type,
3710 MacAddr,
3711 0,
3712 NULL);
3713 }
3714 }
3715 else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP)
3716 {
3717
3718 {
3719 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3720 setKey(dev,
3721 4,
3722 0,
3723 priv->ieee80211->pairwise_key_type,
3724 (u8*)dev->dev_addr,
3725 0,
3726 NULL);
3727 else
3728 setKey(dev,
3729 4,
3730 0,
3731 priv->ieee80211->pairwise_key_type,
3732 MacAddr,
3733 0,
3734 NULL);
3735 }
3736 }
3737
3738
3739
3740 if(priv->ieee80211->group_key_type == KEY_TYPE_TKIP)
3741 {
3742 MacAddr = CAM_CONST_BROAD;
3743 for(EntryId=1 ; EntryId<4 ; EntryId++)
3744 {
3745 {
3746 setKey(dev,
3747 EntryId,
3748 EntryId,
3749 priv->ieee80211->group_key_type,
3750 MacAddr,
3751 0,
3752 NULL);
3753 }
3754 }
3755 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3756 setKey(dev,
3757 0,
3758 0,
3759 priv->ieee80211->group_key_type,
3760 CAM_CONST_ADDR[0],
3761 0,
3762 NULL);
3763 }
3764 else if(priv->ieee80211->group_key_type == KEY_TYPE_CCMP)
3765 {
3766 MacAddr = CAM_CONST_BROAD;
3767 for(EntryId=1; EntryId<4 ; EntryId++)
3768 {
3769 {
3770 setKey(dev,
3771 EntryId ,
3772 EntryId,
3773 priv->ieee80211->group_key_type,
3774 MacAddr,
3775 0,
3776 NULL);
3777 }
3778 }
3779
3780 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3781 setKey(dev,
3782 0 ,
3783 0,
3784 priv->ieee80211->group_key_type,
3785 CAM_CONST_ADDR[0],
3786 0,
3787 NULL);
3788 }
3789 }
3790
3791 /*
3792 * This function is used to fix Tx/Rx stop bug temporarily.
3793 * This function will do "system reset" to NIC when Tx or Rx is stuck.
3794 * The method checking Tx/Rx stuck of this function is supported by FW,
3795 * which reports Tx and Rx counter to register 0x128 and 0x130.
3796 */
3797 static void rtl819x_ifsilentreset(struct net_device *dev)
3798 {
3799 struct r8192_priv *priv = ieee80211_priv(dev);
3800 u8 reset_times = 0;
3801 int reset_status = 0;
3802 struct ieee80211_device *ieee = priv->ieee80211;
3803
3804
3805 return;
3806
3807 // 2007.07.20. If we need to check CCK stop, please uncomment this line.
3808 //bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter);
3809
3810 if(priv->ResetProgress==RESET_TYPE_NORESET)
3811 {
3812 RESET_START:
3813 #ifdef ENABLE_LPS
3814 //LZM for PS-Poll AID issue. 090429
3815 if(priv->ieee80211->state == IEEE80211_LINKED)
3816 LeisurePSLeave(dev);
3817 #endif
3818
3819 RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");
3820
3821 // Set the variable for reset.
3822 priv->ResetProgress = RESET_TYPE_SILENT;
3823 // rtl8192_close(dev);
3824 #if 1
3825 down(&priv->wx_sem);
3826 if(priv->up == 0)
3827 {
3828 RT_TRACE(COMP_ERR,"%s():the driver is not up! return\n",__FUNCTION__);
3829 up(&priv->wx_sem);
3830 return ;
3831 }
3832 priv->up = 0;
3833 RT_TRACE(COMP_RESET,"%s():======>start to down the driver\n",__FUNCTION__);
3834 if(!netif_queue_stopped(dev))
3835 netif_stop_queue(dev);
3836
3837 dm_backup_dynamic_mechanism_state(dev);
3838
3839 rtl8192_irq_disable(dev);
3840 rtl8192_cancel_deferred_work(priv);
3841 deinit_hal_dm(dev);
3842 del_timer_sync(&priv->watch_dog_timer);
3843 ieee->sync_scan_hurryup = 1;
3844 if(ieee->state == IEEE80211_LINKED)
3845 {
3846 down(&ieee->wx_sem);
3847 printk("ieee->state is IEEE80211_LINKED\n");
3848 ieee80211_stop_send_beacons(priv->ieee80211);
3849 del_timer_sync(&ieee->associate_timer);
3850 cancel_delayed_work(&ieee->associate_retry_wq);
3851 ieee80211_stop_scan(ieee);
3852 up(&ieee->wx_sem);
3853 }
3854 else{
3855 printk("ieee->state is NOT LINKED\n");
3856 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3857 }
3858 rtl8192_halt_adapter(dev, true);
3859 up(&priv->wx_sem);
3860 RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__FUNCTION__);
3861 RT_TRACE(COMP_RESET,"%s():===========>start to up the driver\n",__FUNCTION__);
3862 reset_status = _rtl8192_up(dev);
3863
3864 RT_TRACE(COMP_RESET,"%s():<===========up process is finished\n",__FUNCTION__);
3865 if(reset_status == -1)
3866 {
3867 if(reset_times < 3)
3868 {
3869 reset_times++;
3870 goto RESET_START;
3871 }
3872 else
3873 {
3874 RT_TRACE(COMP_ERR," ERR!!! %s(): Reset Failed!!\n",__FUNCTION__);
3875 }
3876 }
3877 #endif
3878 ieee->is_silent_reset = 1;
3879 #if 1
3880 EnableHWSecurityConfig8192(dev);
3881 #if 1
3882 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3883 {
3884 ieee->set_chan(ieee->dev, ieee->current_network.channel);
3885
3886 #if 1
3887 queue_work(ieee->wq, &ieee->associate_complete_wq);
3888 #endif
3889
3890 }
3891 else if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_ADHOC)
3892 {
3893 ieee->set_chan(ieee->dev, ieee->current_network.channel);
3894 ieee->link_change(ieee->dev);
3895
3896 // notify_wx_assoc_event(ieee);
3897
3898 ieee80211_start_send_beacons(ieee);
3899
3900 if (ieee->data_hard_resume)
3901 ieee->data_hard_resume(ieee->dev);
3902 netif_carrier_on(ieee->dev);
3903 }
3904 #endif
3905
3906 CamRestoreAllEntry(dev);
3907
3908 // Restore the previous setting for all dynamic mechanism
3909 dm_restore_dynamic_mechanism_state(dev);
3910
3911 priv->ResetProgress = RESET_TYPE_NORESET;
3912 priv->reset_count++;
3913
3914 priv->bForcedSilentReset =false;
3915 priv->bResetInProgress = false;
3916
3917 // For test --> force write UFWP.
3918 write_nic_byte(dev, UFWP, 1);
3919 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
3920 #endif
3921 }
3922 }
3923
3924 #ifdef ENABLE_IPS
3925 void InactivePsWorkItemCallback(struct net_device *dev)
3926 {
3927 struct r8192_priv *priv = ieee80211_priv(dev);
3928 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
3929
3930 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() ---------> \n");
3931 //
3932 // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
3933 // is really scheduled.
3934 // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3935 // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3936 // blocks the IPS procedure of switching RF.
3937 // By Bruce, 2007-12-25.
3938 //
3939 pPSC->bSwRfProcessing = TRUE;
3940
3941 RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3942 pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
3943
3944
3945 MgntActSet_RF_State(dev, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
3946
3947 //
3948 // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3949 //
3950 pPSC->bSwRfProcessing = FALSE;
3951 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <--------- \n");
3952 }
3953
3954 #ifdef ENABLE_LPS
3955 /* Change current and default preamble mode. */
3956 bool MgntActSet_802_11_PowerSaveMode(struct net_device *dev, u8 rtPsMode)
3957 {
3958 struct r8192_priv *priv = ieee80211_priv(dev);
3959
3960 // Currently, we do not change power save mode on IBSS mode.
3961 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3962 {
3963 return false;
3964 }
3965
3966 //
3967 // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3968 // some AP will not response to our mgnt frames with PwrMgt bit set,
3969 // e.g. cannot associate the AP.
3970 // So I commented out it. 2005.02.16, by rcnjko.
3971 //
3972 // // Change device's power save mode.
3973 // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3974
3975 // Update power save mode configured.
3976 //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3977 if(!priv->ps_force) {
3978 priv->ieee80211->ps = rtPsMode;
3979 }
3980
3981 // Awake immediately
3982 if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
3983 {
3984 unsigned long flags;
3985
3986 //PlatformSetTimer(Adapter, &(pMgntInfo->AwakeTimer), 0);
3987 // Notify the AP we awke.
3988 rtl8192_hw_wakeup(dev);
3989 priv->ieee80211->sta_sleep = 0;
3990
3991 spin_lock_irqsave(&(priv->ieee80211->mgmt_tx_lock), flags);
3992 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3993 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
3994 spin_unlock_irqrestore(&(priv->ieee80211->mgmt_tx_lock), flags);
3995 }
3996
3997 return true;
3998 }
3999
4000 /* Enter the leisure power save mode. */
4001 void LeisurePSEnter(struct net_device *dev)
4002 {
4003 struct r8192_priv *priv = ieee80211_priv(dev);
4004 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4005
4006 //RT_TRACE(COMP_PS, "LeisurePSEnter()...\n");
4007 //RT_TRACE(COMP_PS, "pPSC->bLeisurePs = %d, ieee->ps = %d,pPSC->LpsIdleCount is %d,RT_CHECK_FOR_HANG_PERIOD is %d\n",
4008 // pPSC->bLeisurePs, priv->ieee80211->ps,pPSC->LpsIdleCount,RT_CHECK_FOR_HANG_PERIOD);
4009
4010 if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
4011 (priv->ieee80211->state == IEEE80211_LINKED)) ||
4012 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
4013 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
4014 return;
4015
4016 if (pPSC->bLeisurePs)
4017 {
4018 // Idle for a while if we connect to AP a while ago.
4019 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) // 4 Sec
4020 {
4021
4022 if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
4023 {
4024
4025 //RT_TRACE(COMP_LPS, "LeisurePSEnter(): Enter 802.11 power save mode...\n");
4026 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
4027
4028 }
4029 }
4030 else
4031 pPSC->LpsIdleCount++;
4032 }
4033 }
4034
4035
4036 /* Leave leisure power save mode. */
4037 void LeisurePSLeave(struct net_device *dev)
4038 {
4039 struct r8192_priv *priv = ieee80211_priv(dev);
4040 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4041
4042 if (pPSC->bLeisurePs)
4043 {
4044 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
4045 {
4046 // move to lps_wakecomplete()
4047 //RT_TRACE(COMP_LPS, "LeisurePSLeave(): Busy Traffic , Leave 802.11 power save..\n");
4048 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_DISABLED);
4049
4050 }
4051 }
4052 }
4053 #endif
4054
4055
4056 /* Enter the inactive power save mode. RF will be off */
4057 void
4058 IPSEnter(struct net_device *dev)
4059 {
4060 struct r8192_priv *priv = ieee80211_priv(dev);
4061 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4062 RT_RF_POWER_STATE rtState;
4063
4064 if (pPSC->bInactivePs)
4065 {
4066 rtState = priv->ieee80211->eRFPowerState;
4067 //
4068 // Added by Bruce, 2007-12-25.
4069 // Do not enter IPS in the following conditions:
4070 // (1) RF is already OFF or Sleep
4071 // (2) bSwRfProcessing (indicates the IPS is still under going)
4072 // (3) Connectted (only disconnected can trigger IPS)
4073 // (4) IBSS (send Beacon)
4074 // (5) AP mode (send Beacon)
4075 //
4076 if (rtState == eRfOn && !pPSC->bSwRfProcessing
4077 && (priv->ieee80211->state != IEEE80211_LINKED) )
4078 {
4079 RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
4080 //printk("IPSEnter(): Turn off RF.\n");
4081 pPSC->eInactivePowerState = eRfOff;
4082 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
4083 InactivePsWorkItemCallback(dev);
4084 }
4085 }
4086 }
4087
4088 //
4089 // Description:
4090 // Leave the inactive power save mode, RF will be on.
4091 // 2007.08.17, by shien chang.
4092 //
4093 void
4094 IPSLeave(struct net_device *dev)
4095 {
4096 struct r8192_priv *priv = ieee80211_priv(dev);
4097 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4098 RT_RF_POWER_STATE rtState;
4099
4100 if (pPSC->bInactivePs)
4101 {
4102 rtState = priv->ieee80211->eRFPowerState;
4103 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->ieee80211->RfOffReason <= RF_CHANGE_BY_IPS)
4104 {
4105 RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
4106 //printk("IPSLeave(): Turn on RF.\n");
4107 pPSC->eInactivePowerState = eRfOn;
4108 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
4109 InactivePsWorkItemCallback(dev);
4110 }
4111 }
4112 }
4113
4114 void IPSLeave_wq(void *data)
4115 {
4116 struct ieee80211_device *ieee = container_of(data,struct ieee80211_device,ips_leave_wq);
4117 struct net_device *dev = ieee->dev;
4118
4119 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4120 down(&priv->ieee80211->ips_sem);
4121 IPSLeave(dev);
4122 up(&priv->ieee80211->ips_sem);
4123 }
4124
4125 void ieee80211_ips_leave_wq(struct net_device *dev)
4126 {
4127 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4128 RT_RF_POWER_STATE rtState;
4129 rtState = priv->ieee80211->eRFPowerState;
4130
4131 if(priv->ieee80211->PowerSaveControl.bInactivePs){
4132 if(rtState == eRfOff){
4133 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
4134 {
4135 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
4136 return;
4137 }
4138 else{
4139 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
4140 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
4141 }
4142 }
4143 }
4144 }
4145 //added by amy 090331 end
4146 void ieee80211_ips_leave(struct net_device *dev)
4147 {
4148 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4149 down(&priv->ieee80211->ips_sem);
4150 IPSLeave(dev);
4151 up(&priv->ieee80211->ips_sem);
4152 }
4153 #endif
4154
4155 static void rtl819x_update_rxcounts(
4156 struct r8192_priv *priv,
4157 u32* TotalRxBcnNum,
4158 u32* TotalRxDataNum
4159 )
4160 {
4161 u16 SlotIndex;
4162 u8 i;
4163
4164 *TotalRxBcnNum = 0;
4165 *TotalRxDataNum = 0;
4166
4167 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
4168 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
4169 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
4170 for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
4171 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
4172 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
4173 }
4174 }
4175
4176
4177 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
4178 {
4179 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
4180 struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
4181 struct net_device *dev = priv->ieee80211->dev;
4182 struct ieee80211_device* ieee = priv->ieee80211;
4183 RESET_TYPE ResetType = RESET_TYPE_NORESET;
4184 static u8 check_reset_cnt=0;
4185 unsigned long flags;
4186 bool bBusyTraffic = false;
4187 static u8 last_time = 0;
4188 bool bEnterPS = false;
4189
4190 if ((!priv->up) || priv->bHwRadioOff)
4191 return;
4192
4193 if(!priv->up)
4194 return;
4195 hal_dm_watchdog(dev);
4196 #ifdef ENABLE_IPS
4197 // printk("watch_dog ENABLE_IPS\n");
4198 if(ieee->actscanning == false){
4199 //printk("%d,%d,%d,%d\n", ieee->eRFPowerState, ieee->is_set_key, ieee->proto_stoppping, ieee->wx_set_enc);
4200 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&
4201 (ieee->eRFPowerState == eRfOn)&&!ieee->is_set_key &&
4202 (!ieee->proto_stoppping) && !ieee->wx_set_enc){
4203 if(ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
4204 //printk("====================>haha:IPSEnter()\n");
4205 IPSEnter(dev);
4206 //ieee80211_stop_scan(priv->ieee80211);
4207 }
4208 }
4209 }
4210 #endif
4211 {//to get busy traffic condition
4212 if(ieee->state == IEEE80211_LINKED)
4213 {
4214 if( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
4215 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
4216 bBusyTraffic = true;
4217 }
4218
4219 #ifdef ENABLE_LPS
4220 //added by amy for Leisure PS
4221 if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
4222 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
4223 {
4224 //printk("ieee->LinkDetectInfo.NumRxUnicastOkInPeriod is %d,ieee->LinkDetectInfo.NumTxOkInPeriod is %d\n",
4225 // ieee->LinkDetectInfo.NumRxUnicastOkInPeriod,ieee->LinkDetectInfo.NumTxOkInPeriod);
4226 bEnterPS= false;
4227 }
4228 else
4229 {
4230 bEnterPS= true;
4231 }
4232
4233 //printk("***bEnterPS = %d\n", bEnterPS);
4234 // LeisurePS only work in infra mode.
4235 if(bEnterPS)
4236 {
4237 LeisurePSEnter(dev);
4238 }
4239 else
4240 {
4241 LeisurePSLeave(dev);
4242 }
4243 #endif
4244
4245 }
4246 else
4247 {
4248 #ifdef ENABLE_LPS
4249 //RT_TRACE(COMP_LPS,"====>no link LPS leave\n");
4250 LeisurePSLeave(dev);
4251 #endif
4252 }
4253
4254 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
4255 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
4256 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
4257 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
4258 }
4259
4260
4261 //added by amy for AP roaming
4262 if (1)
4263 {
4264 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
4265 {
4266 u32 TotalRxBcnNum = 0;
4267 u32 TotalRxDataNum = 0;
4268
4269 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
4270 if((TotalRxBcnNum+TotalRxDataNum) == 0)
4271 {
4272 if( ieee->eRFPowerState == eRfOff)
4273 RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
4274 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
4275 // Dot11d_Reset(dev);
4276 ieee->state = IEEE80211_ASSOCIATING;
4277 notify_wx_assoc_event(priv->ieee80211);
4278 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
4279 ieee->is_roaming = true;
4280 ieee->is_set_key = false;
4281 ieee->link_change(dev);
4282 queue_work(ieee->wq, &ieee->associate_procedure_wq);
4283 }
4284 }
4285 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
4286 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
4287
4288 }
4289 //check if reset the driver
4290 spin_lock_irqsave(&priv->tx_lock,flags);
4291 if(check_reset_cnt++ >= 3 && !ieee->is_roaming && (last_time != 1))
4292 {
4293 ResetType = rtl819x_ifcheck_resetornot(dev);
4294 check_reset_cnt = 3;
4295 //DbgPrint("Start to check silent reset\n");
4296 }
4297 spin_unlock_irqrestore(&priv->tx_lock,flags);
4298 if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
4299 {
4300 priv->ResetProgress = RESET_TYPE_NORMAL;
4301 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
4302 return;
4303 }
4304 /* disable silent reset temply 2008.9.11*/
4305 #if 1
4306 if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
4307 {
4308 last_time = 1;
4309 rtl819x_ifsilentreset(dev);
4310 }
4311 else
4312 last_time = 0;
4313 #endif
4314 priv->force_reset = false;
4315 priv->bForcedSilentReset = false;
4316 priv->bResetInProgress = false;
4317 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
4318
4319 }
4320
4321 void watch_dog_timer_callback(unsigned long data)
4322 {
4323 struct r8192_priv *priv = ieee80211_priv((struct net_device *) data);
4324 queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
4325 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
4326
4327 }
4328
4329 static int _rtl8192_up(struct net_device *dev)
4330 {
4331 struct r8192_priv *priv = ieee80211_priv(dev);
4332 //int i;
4333 RT_STATUS init_status = RT_STATUS_SUCCESS;
4334 priv->up=1;
4335 priv->ieee80211->ieee_up=1;
4336 priv->bdisable_nic = false; //YJ,add,091111
4337 RT_TRACE(COMP_INIT, "Bringing up iface");
4338
4339 init_status = rtl8192_adapter_start(dev);
4340 if(init_status != RT_STATUS_SUCCESS)
4341 {
4342 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
4343 return -1;
4344 }
4345 RT_TRACE(COMP_INIT, "start adapter finished\n");
4346 #ifdef RTL8192E
4347 if(priv->ieee80211->eRFPowerState!=eRfOn)
4348 MgntActSet_RF_State(dev, eRfOn, priv->ieee80211->RfOffReason);
4349 #endif
4350 if(priv->ieee80211->state != IEEE80211_LINKED)
4351 ieee80211_softmac_start_protocol(priv->ieee80211);
4352 ieee80211_reset_queue(priv->ieee80211);
4353 watch_dog_timer_callback((unsigned long) dev);
4354 if(!netif_queue_stopped(dev))
4355 netif_start_queue(dev);
4356 else
4357 netif_wake_queue(dev);
4358
4359 return 0;
4360 }
4361
4362
4363 static int rtl8192_open(struct net_device *dev)
4364 {
4365 struct r8192_priv *priv = ieee80211_priv(dev);
4366 int ret;
4367
4368 down(&priv->wx_sem);
4369 ret = rtl8192_up(dev);
4370 up(&priv->wx_sem);
4371 return ret;
4372
4373 }
4374
4375
4376 int rtl8192_up(struct net_device *dev)
4377 {
4378 struct r8192_priv *priv = ieee80211_priv(dev);
4379
4380 if (priv->up == 1) return -1;
4381
4382 return _rtl8192_up(dev);
4383 }
4384
4385
4386 static int rtl8192_close(struct net_device *dev)
4387 {
4388 struct r8192_priv *priv = ieee80211_priv(dev);
4389 int ret;
4390
4391 down(&priv->wx_sem);
4392
4393 ret = rtl8192_down(dev);
4394
4395 up(&priv->wx_sem);
4396
4397 return ret;
4398
4399 }
4400
4401 int rtl8192_down(struct net_device *dev)
4402 {
4403 struct r8192_priv *priv = ieee80211_priv(dev);
4404
4405 if (priv->up == 0) return -1;
4406
4407 #ifdef ENABLE_LPS
4408 //LZM for PS-Poll AID issue. 090429
4409 if(priv->ieee80211->state == IEEE80211_LINKED)
4410 LeisurePSLeave(dev);
4411 #endif
4412
4413 priv->up=0;
4414 priv->ieee80211->ieee_up = 0;
4415 RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
4416 /* FIXME */
4417 if (!netif_queue_stopped(dev))
4418 netif_stop_queue(dev);
4419
4420 rtl8192_irq_disable(dev);
4421 rtl8192_cancel_deferred_work(priv);
4422 deinit_hal_dm(dev);
4423 del_timer_sync(&priv->watch_dog_timer);
4424
4425 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
4426
4427 rtl8192_halt_adapter(dev,false);
4428 memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
4429
4430 RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
4431
4432 return 0;
4433 }
4434
4435
4436 void rtl8192_commit(struct net_device *dev)
4437 {
4438 struct r8192_priv *priv = ieee80211_priv(dev);
4439
4440 if (priv->up == 0) return ;
4441
4442
4443 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
4444
4445 rtl8192_irq_disable(dev);
4446 rtl8192_halt_adapter(dev,true);
4447 _rtl8192_up(dev);
4448 }
4449
4450 static void rtl8192_restart(struct work_struct *work)
4451 {
4452 struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
4453 struct net_device *dev = priv->ieee80211->dev;
4454
4455 down(&priv->wx_sem);
4456
4457 rtl8192_commit(dev);
4458
4459 up(&priv->wx_sem);
4460 }
4461
4462 static void r8192_set_multicast(struct net_device *dev)
4463 {
4464 struct r8192_priv *priv = ieee80211_priv(dev);
4465 short promisc;
4466
4467 //down(&priv->wx_sem);
4468
4469 /* FIXME FIXME */
4470
4471 promisc = (dev->flags & IFF_PROMISC) ? 1:0;
4472
4473 if (promisc != priv->promisc) {
4474 ;
4475 // rtl8192_commit(dev);
4476 }
4477
4478 priv->promisc = promisc;
4479
4480 //schedule_work(&priv->reset_wq);
4481 //up(&priv->wx_sem);
4482 }
4483
4484
4485 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
4486 {
4487 struct r8192_priv *priv = ieee80211_priv(dev);
4488 struct sockaddr *addr = mac;
4489
4490 down(&priv->wx_sem);
4491
4492 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
4493
4494 schedule_work(&priv->reset_wq);
4495 up(&priv->wx_sem);
4496
4497 return 0;
4498 }
4499
4500 /* based on ipw2200 driver */
4501 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
4502 {
4503 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4504 struct iwreq *wrq = (struct iwreq *)rq;
4505 int ret=-1;
4506 struct ieee80211_device *ieee = priv->ieee80211;
4507 u32 key[4];
4508 u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
4509 struct iw_point *p = &wrq->u.data;
4510 struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
4511
4512 down(&priv->wx_sem);
4513
4514
4515 if (p->length < sizeof(struct ieee_param) || !p->pointer){
4516 ret = -EINVAL;
4517 goto out;
4518 }
4519
4520 ipw = kmalloc(p->length, GFP_KERNEL);
4521 if (ipw == NULL){
4522 ret = -ENOMEM;
4523 goto out;
4524 }
4525 if (copy_from_user(ipw, p->pointer, p->length)) {
4526 kfree(ipw);
4527 ret = -EFAULT;
4528 goto out;
4529 }
4530
4531 switch (cmd) {
4532 case RTL_IOCTL_WPA_SUPPLICANT:
4533 //parse here for HW security
4534 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
4535 {
4536 if (ipw->u.crypt.set_tx)
4537 {
4538 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
4539 ieee->pairwise_key_type = KEY_TYPE_CCMP;
4540 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
4541 ieee->pairwise_key_type = KEY_TYPE_TKIP;
4542 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
4543 {
4544 if (ipw->u.crypt.key_len == 13)
4545 ieee->pairwise_key_type = KEY_TYPE_WEP104;
4546 else if (ipw->u.crypt.key_len == 5)
4547 ieee->pairwise_key_type = KEY_TYPE_WEP40;
4548 }
4549 else
4550 ieee->pairwise_key_type = KEY_TYPE_NA;
4551
4552 if (ieee->pairwise_key_type)
4553 {
4554 memcpy((u8*)key, ipw->u.crypt.key, 16);
4555 EnableHWSecurityConfig8192(dev);
4556 //we fill both index entry and 4th entry for pairwise key as in IPW interface, adhoc will only get here, so we need index entry for its default key serching!
4557 //added by WB.
4558 setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
4559 if (ieee->auth_mode != 2) //LEAP WEP will never set this.
4560 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
4561 }
4562 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && ieee->pHTInfo->bCurrentHTSupport){
4563 write_nic_byte(dev, 0x173, 1); //fix aes bug
4564 }
4565
4566 }
4567 else //if (ipw->u.crypt.idx) //group key use idx > 0
4568 {
4569 memcpy((u8*)key, ipw->u.crypt.key, 16);
4570 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
4571 ieee->group_key_type= KEY_TYPE_CCMP;
4572 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
4573 ieee->group_key_type = KEY_TYPE_TKIP;
4574 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
4575 {
4576 if (ipw->u.crypt.key_len == 13)
4577 ieee->group_key_type = KEY_TYPE_WEP104;
4578 else if (ipw->u.crypt.key_len == 5)
4579 ieee->group_key_type = KEY_TYPE_WEP40;
4580 }
4581 else
4582 ieee->group_key_type = KEY_TYPE_NA;
4583
4584 if (ieee->group_key_type)
4585 {
4586 setKey( dev,
4587 ipw->u.crypt.idx,
4588 ipw->u.crypt.idx, //KeyIndex
4589 ieee->group_key_type, //KeyType
4590 broadcast_addr, //MacAddr
4591 0, //DefaultKey
4592 key); //KeyContent
4593 }
4594 }
4595 }
4596 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
4597 break;
4598
4599 default:
4600 ret = -EOPNOTSUPP;
4601 break;
4602 }
4603
4604 kfree(ipw);
4605 out:
4606 up(&priv->wx_sem);
4607
4608 return ret;
4609 }
4610
4611 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
4612 {
4613 u8 ret_rate = 0x02;
4614
4615 if(!bIsHT) {
4616 switch(rate) {
4617 case DESC90_RATE1M: ret_rate = MGN_1M; break;
4618 case DESC90_RATE2M: ret_rate = MGN_2M; break;
4619 case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break;
4620 case DESC90_RATE11M: ret_rate = MGN_11M; break;
4621 case DESC90_RATE6M: ret_rate = MGN_6M; break;
4622 case DESC90_RATE9M: ret_rate = MGN_9M; break;
4623 case DESC90_RATE12M: ret_rate = MGN_12M; break;
4624 case DESC90_RATE18M: ret_rate = MGN_18M; break;
4625 case DESC90_RATE24M: ret_rate = MGN_24M; break;
4626 case DESC90_RATE36M: ret_rate = MGN_36M; break;
4627 case DESC90_RATE48M: ret_rate = MGN_48M; break;
4628 case DESC90_RATE54M: ret_rate = MGN_54M; break;
4629
4630 default:
4631 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
4632 break;
4633 }
4634
4635 } else {
4636 switch(rate) {
4637 case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break;
4638 case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break;
4639 case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break;
4640 case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break;
4641 case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break;
4642 case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break;
4643 case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break;
4644 case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break;
4645 case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break;
4646 case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break;
4647 case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break;
4648 case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break;
4649 case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break;
4650 case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break;
4651 case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break;
4652 case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break;
4653 case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break;
4654
4655 default:
4656 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
4657 break;
4658 }
4659 }
4660
4661 return ret_rate;
4662 }
4663
4664 /* Record the TSF time stamp when receiving a packet */
4665 static void UpdateRxPktTimeStamp8190 (struct net_device *dev, struct ieee80211_rx_stats *stats)
4666 {
4667 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4668
4669 if(stats->bIsAMPDU && !stats->bFirstMPDU) {
4670 stats->mac_time[0] = priv->LastRxDescTSFLow;
4671 stats->mac_time[1] = priv->LastRxDescTSFHigh;
4672 } else {
4673 priv->LastRxDescTSFLow = stats->mac_time[0];
4674 priv->LastRxDescTSFHigh = stats->mac_time[1];
4675 }
4676 }
4677
4678 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
4679 {
4680 long signal_power; // in dBm.
4681
4682 // Translate to dBm (x=0.5y-95).
4683 signal_power = (long)((signal_strength_index + 1) >> 1);
4684 signal_power -= 95;
4685
4686 return signal_power;
4687 }
4688
4689 /*
4690 * Update Rx signal related information in the packet reeived
4691 * to RxStats. User application can query RxStats to realize
4692 * current Rx signal status.
4693 *
4694 * In normal operation, user only care about the information of the BSS
4695 * and we shall invoke this function if the packet received is from the BSS.
4696 */
4697 static void
4698 rtl819x_update_rxsignalstatistics8190pci(
4699 struct r8192_priv * priv,
4700 struct ieee80211_rx_stats * pprevious_stats
4701 )
4702 {
4703 int weighting = 0;
4704
4705 //2 <ToDo> Update Rx Statistics (such as signal strength and signal quality).
4706
4707 // Initila state
4708 if(priv->stats.recv_signal_power == 0)
4709 priv->stats.recv_signal_power = pprevious_stats->RecvSignalPower;
4710
4711 // To avoid the past result restricting the statistics sensitivity, weight the current power (5/6) to speed up the
4712 // reaction of smoothed Signal Power.
4713 if(pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
4714 weighting = 5;
4715 else if(pprevious_stats->RecvSignalPower < priv->stats.recv_signal_power)
4716 weighting = (-5);
4717 //
4718 // We need more correct power of received packets and the "SignalStrength" of RxStats have been beautified or translated,
4719 // so we record the correct power in Dbm here. By Bruce, 2008-03-07.
4720 //
4721 priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 + pprevious_stats->RecvSignalPower + weighting) / 6;
4722 }
4723
4724 static void
4725 rtl8190_process_cck_rxpathsel(
4726 struct r8192_priv * priv,
4727 struct ieee80211_rx_stats * pprevious_stats
4728 )
4729 {
4730 #ifdef RTL8190P //Only 90P 2T4R need to check
4731 char last_cck_adc_pwdb[4]={0,0,0,0};
4732 u8 i;
4733 //cosa add for Rx path selection
4734 if(priv->rf_type == RF_2T4R && DM_RxPathSelTable.Enable)
4735 {
4736 if(pprevious_stats->bIsCCK &&
4737 (pprevious_stats->bPacketToSelf ||pprevious_stats->bPacketBeacon))
4738 {
4739 /* record the cck adc_pwdb to the sliding window. */
4740 if(priv->stats.cck_adc_pwdb.TotalNum++ >= PHY_RSSI_SLID_WIN_MAX)
4741 {
4742 priv->stats.cck_adc_pwdb.TotalNum = PHY_RSSI_SLID_WIN_MAX;
4743 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4744 {
4745 last_cck_adc_pwdb[i] = priv->stats.cck_adc_pwdb.elements[i][priv->stats.cck_adc_pwdb.index];
4746 priv->stats.cck_adc_pwdb.TotalVal[i] -= last_cck_adc_pwdb[i];
4747 }
4748 }
4749 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4750 {
4751 priv->stats.cck_adc_pwdb.TotalVal[i] += pprevious_stats->cck_adc_pwdb[i];
4752 priv->stats.cck_adc_pwdb.elements[i][priv->stats.cck_adc_pwdb.index] = pprevious_stats->cck_adc_pwdb[i];
4753 }
4754 priv->stats.cck_adc_pwdb.index++;
4755 if(priv->stats.cck_adc_pwdb.index >= PHY_RSSI_SLID_WIN_MAX)
4756 priv->stats.cck_adc_pwdb.index = 0;
4757
4758 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4759 {
4760 DM_RxPathSelTable.cck_pwdb_sta[i] = priv->stats.cck_adc_pwdb.TotalVal[i]/priv->stats.cck_adc_pwdb.TotalNum;
4761 }
4762
4763 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4764 {
4765 if(pprevious_stats->cck_adc_pwdb[i] > (char)priv->undecorated_smoothed_cck_adc_pwdb[i])
4766 {
4767 priv->undecorated_smoothed_cck_adc_pwdb[i] =
4768 ( (priv->undecorated_smoothed_cck_adc_pwdb[i]*(Rx_Smooth_Factor-1)) +
4769 (pprevious_stats->cck_adc_pwdb[i])) /(Rx_Smooth_Factor);
4770 priv->undecorated_smoothed_cck_adc_pwdb[i] = priv->undecorated_smoothed_cck_adc_pwdb[i] + 1;
4771 }
4772 else
4773 {
4774 priv->undecorated_smoothed_cck_adc_pwdb[i] =
4775 ( (priv->undecorated_smoothed_cck_adc_pwdb[i]*(Rx_Smooth_Factor-1)) +
4776 (pprevious_stats->cck_adc_pwdb[i])) /(Rx_Smooth_Factor);
4777 }
4778 }
4779 }
4780 }
4781 #endif
4782 }
4783
4784
4785 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
4786 be a local static. Otherwise, it may increase when we return from S3/S4. The
4787 value will be kept in memory or disk. We must delcare the value in adapter
4788 and it will be reinitialized when return from S3/S4. */
4789 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
4790 {
4791 bool bcheck = false;
4792 u8 rfpath;
4793 u32 nspatial_stream, tmp_val;
4794 //u8 i;
4795 static u32 slide_rssi_index=0, slide_rssi_statistics=0;
4796 static u32 slide_evm_index=0, slide_evm_statistics=0;
4797 static u32 last_rssi=0, last_evm=0;
4798 //cosa add for rx path selection
4799 // static long slide_cck_adc_pwdb_index=0, slide_cck_adc_pwdb_statistics=0;
4800 // static char last_cck_adc_pwdb[4]={0,0,0,0};
4801 //cosa add for beacon rssi smoothing
4802 static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
4803 static u32 last_beacon_adc_pwdb=0;
4804
4805 struct ieee80211_hdr_3addr *hdr;
4806 u16 sc ;
4807 unsigned int frag,seq;
4808 hdr = (struct ieee80211_hdr_3addr *)buffer;
4809 sc = le16_to_cpu(hdr->seq_ctl);
4810 frag = WLAN_GET_SEQ_FRAG(sc);
4811 seq = WLAN_GET_SEQ_SEQ(sc);
4812 //cosa add 04292008 to record the sequence number
4813 pcurrent_stats->Seq_Num = seq;
4814 //
4815 // Check whether we should take the previous packet into accounting
4816 //
4817 if(!pprevious_stats->bIsAMPDU)
4818 {
4819 // if previous packet is not aggregated packet
4820 bcheck = true;
4821 }
4822
4823 if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
4824 {
4825 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
4826 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
4827 priv->stats.slide_rssi_total -= last_rssi;
4828 }
4829 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
4830
4831 priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
4832 if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
4833 slide_rssi_index = 0;
4834
4835 // <1> Showed on UI for user, in dbm
4836 tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
4837 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4838 pcurrent_stats->rssi = priv->stats.signal_strength;
4839 //
4840 // If the previous packet does not match the criteria, neglect it
4841 //
4842 if(!pprevious_stats->bPacketMatchBSSID)
4843 {
4844 if(!pprevious_stats->bToSelfBA)
4845 return;
4846 }
4847
4848 if(!bcheck)
4849 return;
4850
4851 rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4852
4853 //
4854 // Check RSSI
4855 //
4856 priv->stats.num_process_phyinfo++;
4857
4858 // <2> Showed on UI for engineering
4859 // hardware does not provide rssi information for each rf path in CCK
4860 if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
4861 {
4862 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
4863 {
4864 if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, rfpath))
4865 continue;
4866 RT_TRACE(COMP_DBG,"Jacken -> pPreviousstats->RxMIMOSignalStrength[rfpath] = %d \n" ,pprevious_stats->RxMIMOSignalStrength[rfpath] );
4867 //Fixed by Jacken 2008-03-20
4868 if(priv->stats.rx_rssi_percentage[rfpath] == 0)
4869 {
4870 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
4871 //DbgPrint("MIMO RSSI initialize \n");
4872 }
4873 if(pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath])
4874 {
4875 priv->stats.rx_rssi_percentage[rfpath] =
4876 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
4877 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
4878 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
4879 }
4880 else
4881 {
4882 priv->stats.rx_rssi_percentage[rfpath] =
4883 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
4884 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
4885 }
4886 RT_TRACE(COMP_DBG,"Jacken -> priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" ,priv->stats.rx_rssi_percentage[rfpath] );
4887 }
4888 }
4889
4890
4891 //
4892 // Check PWDB.
4893 //
4894 //cosa add for beacon rssi smoothing by average.
4895 if(pprevious_stats->bPacketBeacon)
4896 {
4897 /* record the beacon pwdb to the sliding window. */
4898 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4899 {
4900 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4901 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4902 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4903 //DbgPrint("slide_beacon_adc_pwdb_index = %d, last_beacon_adc_pwdb = %d, Adapter->RxStats.Slide_Beacon_Total = %d\n",
4904 // slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
4905 }
4906 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4907 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4908 //DbgPrint("slide_beacon_adc_pwdb_index = %d, pPreviousRfd->Status.RxPWDBAll = %d\n", slide_beacon_adc_pwdb_index, pPreviousRfd->Status.RxPWDBAll);
4909 slide_beacon_adc_pwdb_index++;
4910 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4911 slide_beacon_adc_pwdb_index = 0;
4912 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
4913 if(pprevious_stats->RxPWDBAll >= 3)
4914 pprevious_stats->RxPWDBAll -= 3;
4915 }
4916
4917 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4918 pprevious_stats->bIsCCK? "CCK": "OFDM",
4919 pprevious_stats->RxPWDBAll);
4920
4921 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
4922 {
4923 if(priv->undecorated_smoothed_pwdb < 0) // initialize
4924 {
4925 priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
4926 //DbgPrint("First pwdb initialize \n");
4927 }
4928 #if 1
4929 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
4930 {
4931 priv->undecorated_smoothed_pwdb =
4932 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
4933 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
4934 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4935 }
4936 else
4937 {
4938 priv->undecorated_smoothed_pwdb =
4939 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
4940 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
4941 }
4942 #else
4943 //Fixed by Jacken 2008-03-20
4944 if(pPreviousRfd->Status.RxPWDBAll > (u32)pHalData->UndecoratedSmoothedPWDB)
4945 {
4946 pHalData->UndecoratedSmoothedPWDB =
4947 ( ((pHalData->UndecoratedSmoothedPWDB)* 5) + (pPreviousRfd->Status.RxPWDBAll)) / 6;
4948 pHalData->UndecoratedSmoothedPWDB = pHalData->UndecoratedSmoothedPWDB + 1;
4949 }
4950 else
4951 {
4952 pHalData->UndecoratedSmoothedPWDB =
4953 ( ((pHalData->UndecoratedSmoothedPWDB)* 5) + (pPreviousRfd->Status.RxPWDBAll)) / 6;
4954 }
4955 #endif
4956 rtl819x_update_rxsignalstatistics8190pci(priv,pprevious_stats);
4957 }
4958
4959 //
4960 // Check EVM
4961 //
4962 /* record the general EVM to the sliding window. */
4963 if(pprevious_stats->SignalQuality == 0)
4964 {
4965 }
4966 else
4967 {
4968 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
4969 if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
4970 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4971 last_evm = priv->stats.slide_evm[slide_evm_index];
4972 priv->stats.slide_evm_total -= last_evm;
4973 }
4974
4975 priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
4976
4977 priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
4978 if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4979 slide_evm_index = 0;
4980
4981 // <1> Showed on UI for user, in percentage.
4982 tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
4983 priv->stats.signal_quality = tmp_val;
4984 //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
4985 priv->stats.last_signal_strength_inpercent = tmp_val;
4986 }
4987
4988 // <2> Showed on UI for engineering
4989 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
4990 {
4991 for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
4992 {
4993 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
4994 {
4995 if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
4996 {
4997 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4998 }
4999 priv->stats.rx_evm_percentage[nspatial_stream] =
5000 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
5001 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
5002 }
5003 }
5004 }
5005 }
5006
5007 }
5008
5009 static u8 rtl819x_query_rxpwrpercentage(
5010 char antpower
5011 )
5012 {
5013 if ((antpower <= -100) || (antpower >= 20))
5014 {
5015 return 0;
5016 }
5017 else if (antpower >= 0)
5018 {
5019 return 100;
5020 }
5021 else
5022 {
5023 return (100+antpower);
5024 }
5025
5026 }
5027
5028 static u8
5029 rtl819x_evm_dbtopercentage(
5030 char value
5031 )
5032 {
5033 char ret_val;
5034
5035 ret_val = value;
5036
5037 if(ret_val >= 0)
5038 ret_val = 0;
5039 if(ret_val <= -33)
5040 ret_val = -33;
5041 ret_val = 0 - ret_val;
5042 ret_val*=3;
5043 if(ret_val == 99)
5044 ret_val = 100;
5045 return ret_val;
5046 }
5047
5048 /* We want good-looking for signal strength/quality */
5049 static long rtl819x_signal_scale_mapping(long currsig)
5050 {
5051 long retsig;
5052
5053 // Step 1. Scale mapping.
5054 if(currsig >= 61 && currsig <= 100)
5055 {
5056 retsig = 90 + ((currsig - 60) / 4);
5057 }
5058 else if(currsig >= 41 && currsig <= 60)
5059 {
5060 retsig = 78 + ((currsig - 40) / 2);
5061 }
5062 else if(currsig >= 31 && currsig <= 40)
5063 {
5064 retsig = 66 + (currsig - 30);
5065 }
5066 else if(currsig >= 21 && currsig <= 30)
5067 {
5068 retsig = 54 + (currsig - 20);
5069 }
5070 else if(currsig >= 5 && currsig <= 20)
5071 {
5072 retsig = 42 + (((currsig - 5) * 2) / 3);
5073 }
5074 else if(currsig == 4)
5075 {
5076 retsig = 36;
5077 }
5078 else if(currsig == 3)
5079 {
5080 retsig = 27;
5081 }
5082 else if(currsig == 2)
5083 {
5084 retsig = 18;
5085 }
5086 else if(currsig == 1)
5087 {
5088 retsig = 9;
5089 }
5090 else
5091 {
5092 retsig = currsig;
5093 }
5094
5095 return retsig;
5096 }
5097
5098 static void rtl8192_query_rxphystatus(
5099 struct r8192_priv * priv,
5100 struct ieee80211_rx_stats * pstats,
5101 prx_desc_819x_pci pdesc,
5102 prx_fwinfo_819x_pci pdrvinfo,
5103 struct ieee80211_rx_stats * precord_stats,
5104 bool bpacket_match_bssid,
5105 bool bpacket_toself,
5106 bool bPacketBeacon,
5107 bool bToSelfBA
5108 )
5109 {
5110 //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status);
5111 phy_sts_ofdm_819xpci_t* pofdm_buf;
5112 phy_sts_cck_819xpci_t * pcck_buf;
5113 phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
5114 u8 *prxpkt;
5115 u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
5116 char rx_pwr[4], rx_pwr_all=0;
5117 //long rx_avg_pwr = 0;
5118 char rx_snrX, rx_evmX;
5119 u8 evm, pwdb_all;
5120 u32 RSSI, total_rssi=0;//, total_evm=0;
5121 // long signal_strength_index = 0;
5122 u8 is_cck_rate=0;
5123 u8 rf_rx_num = 0;
5124
5125 /* 2007/07/04 MH For OFDM RSSI. For high power or not. */
5126 static u8 check_reg824 = 0;
5127 static u32 reg824_bit9 = 0;
5128
5129 priv->stats.numqry_phystatus++;
5130
5131 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
5132
5133 // Record it for next packet processing
5134 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
5135 pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
5136 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
5137 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
5138 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
5139 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
5140 /*2007.08.30 requested by SD3 Jerry */
5141 if(check_reg824 == 0)
5142 {
5143 reg824_bit9 = rtl8192_QueryBBReg(priv->ieee80211->dev, rFPGA0_XA_HSSIParameter2, 0x200);
5144 check_reg824 = 1;
5145 }
5146
5147
5148 prxpkt = (u8*)pdrvinfo;
5149
5150 /* Move pointer to the 16th bytes. Phy status start address. */
5151 prxpkt += sizeof(rx_fwinfo_819x_pci);
5152
5153 /* Initial the cck and ofdm buffer pointer */
5154 pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
5155 pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
5156
5157 pstats->RxMIMOSignalQuality[0] = -1;
5158 pstats->RxMIMOSignalQuality[1] = -1;
5159 precord_stats->RxMIMOSignalQuality[0] = -1;
5160 precord_stats->RxMIMOSignalQuality[1] = -1;
5161
5162 if(is_cck_rate)
5163 {
5164 //
5165 // (1)Hardware does not provide RSSI for CCK
5166 //
5167
5168 //
5169 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
5170 //
5171 u8 report;//, cck_agc_rpt;
5172 #ifdef RTL8190P
5173 u8 tmp_pwdb;
5174 char cck_adc_pwdb[4];
5175 #endif
5176 priv->stats.numqry_phystatusCCK++;
5177
5178 #ifdef RTL8190P //Only 90P 2T4R need to check
5179 if(priv->rf_type == RF_2T4R && DM_RxPathSelTable.Enable && bpacket_match_bssid)
5180 {
5181 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
5182 {
5183 tmp_pwdb = pcck_buf->adc_pwdb_X[i];
5184 cck_adc_pwdb[i] = (char)tmp_pwdb;
5185 cck_adc_pwdb[i] /= 2;
5186 pstats->cck_adc_pwdb[i] = precord_stats->cck_adc_pwdb[i] = cck_adc_pwdb[i];
5187 //DbgPrint("RF-%d tmp_pwdb = 0x%x, cck_adc_pwdb = %d", i, tmp_pwdb, cck_adc_pwdb[i]);
5188 }
5189 }
5190 #endif
5191
5192 if(!reg824_bit9)
5193 {
5194 report = pcck_buf->cck_agc_rpt & 0xc0;
5195 report = report>>6;
5196 switch(report)
5197 {
5198 //Fixed by Jacken from Bryant 2008-03-20
5199 //Original value is -38 , -26 , -14 , -2
5200 //Fixed value is -35 , -23 , -11 , 6
5201 case 0x3:
5202 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
5203 break;
5204 case 0x2:
5205 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
5206 break;
5207 case 0x1:
5208 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
5209 break;
5210 case 0x0:
5211 rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
5212 break;
5213 }
5214 }
5215 else
5216 {
5217 report = pcck_buf->cck_agc_rpt & 0x60;
5218 report = report>>5;
5219 switch(report)
5220 {
5221 case 0x3:
5222 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
5223 break;
5224 case 0x2:
5225 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
5226 break;
5227 case 0x1:
5228 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
5229 break;
5230 case 0x0:
5231 rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
5232 break;
5233 }
5234 }
5235
5236 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
5237 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
5238 pstats->RecvSignalPower = rx_pwr_all;
5239
5240 //
5241 // (3) Get Signal Quality (EVM)
5242 //
5243 if(bpacket_match_bssid)
5244 {
5245 u8 sq;
5246
5247 if(pstats->RxPWDBAll > 40)
5248 {
5249 sq = 100;
5250 }else
5251 {
5252 sq = pcck_buf->sq_rpt;
5253
5254 if(pcck_buf->sq_rpt > 64)
5255 sq = 0;
5256 else if (pcck_buf->sq_rpt < 20)
5257 sq = 100;
5258 else
5259 sq = ((64-sq) * 100) / 44;
5260 }
5261 pstats->SignalQuality = precord_stats->SignalQuality = sq;
5262 pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
5263 pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
5264 }
5265 }
5266 else
5267 {
5268 priv->stats.numqry_phystatusHT++;
5269 //
5270 // (1)Get RSSI for HT rate
5271 //
5272 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
5273 {
5274 // 2008/01/30 MH we will judge RF RX path now.
5275 if (priv->brfpath_rxenable[i])
5276 rf_rx_num++;
5277 //else
5278 //continue;
5279
5280 //Fixed by Jacken from Bryant 2008-03-20
5281 //Original value is 106
5282 #ifdef RTL8190P //Modify by Jacken 2008/03/31
5283 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 106;
5284 #else
5285 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
5286 #endif
5287
5288 //Get Rx snr value in DB
5289 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
5290 rx_snrX = (char)(tmp_rxsnr);
5291 rx_snrX /= 2;
5292 priv->stats.rxSNRdB[i] = (long)rx_snrX;
5293
5294 /* Translate DBM to percentage. */
5295 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
5296 if (priv->brfpath_rxenable[i])
5297 total_rssi += RSSI;
5298
5299 /* Record Signal Strength for next packet */
5300 if(bpacket_match_bssid)
5301 {
5302 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
5303 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
5304 }
5305 }
5306
5307
5308 //
5309 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
5310 //
5311 //Fixed by Jacken from Bryant 2008-03-20
5312 //Original value is 106
5313 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
5314 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
5315
5316 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
5317 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
5318 pstats->RecvSignalPower = rx_pwr_all;
5319 //
5320 // (3)EVM of HT rate
5321 //
5322 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
5323 pdrvinfo->RxRate<=DESC90_RATEMCS15)
5324 max_spatial_stream = 2; //both spatial stream make sense
5325 else
5326 max_spatial_stream = 1; //only spatial stream 1 makes sense
5327
5328 for(i=0; i<max_spatial_stream; i++)
5329 {
5330 tmp_rxevm = pofdm_buf->rxevm_X[i];
5331 rx_evmX = (char)(tmp_rxevm);
5332
5333 // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
5334 // fill most significant bit to "zero" when doing shifting operation which may change a negative
5335 // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
5336 rx_evmX /= 2; //dbm
5337
5338 evm = rtl819x_evm_dbtopercentage(rx_evmX);
5339 if(bpacket_match_bssid)
5340 {
5341 if(i==0) // Fill value in RFD, Get the first spatial stream only
5342 pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
5343 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
5344 }
5345 }
5346
5347
5348 /* record rx statistics for debug */
5349 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
5350 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
5351 if(pdrvinfo->BW) //40M channel
5352 priv->stats.received_bwtype[1+prxsc->rxsc]++;
5353 else //20M channel
5354 priv->stats.received_bwtype[0]++;
5355 }
5356
5357 //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
5358 //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
5359 if(is_cck_rate)
5360 {
5361 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
5362
5363 }
5364 else
5365 {
5366 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
5367 // We can judge RX path number now.
5368 if (rf_rx_num != 0)
5369 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
5370 }
5371 }
5372
5373 static void
5374 rtl8192_record_rxdesc_forlateruse(
5375 struct ieee80211_rx_stats * psrc_stats,
5376 struct ieee80211_rx_stats * ptarget_stats
5377 )
5378 {
5379 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
5380 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
5381 //ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
5382 }
5383
5384
5385
5386 static void TranslateRxSignalStuff819xpci(struct net_device *dev,
5387 struct sk_buff *skb,
5388 struct ieee80211_rx_stats * pstats,
5389 prx_desc_819x_pci pdesc,
5390 prx_fwinfo_819x_pci pdrvinfo)
5391 {
5392 // TODO: We must only check packet for current MAC address. Not finish
5393 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5394 bool bpacket_match_bssid, bpacket_toself;
5395 bool bPacketBeacon=false, bToSelfBA=false;
5396 static struct ieee80211_rx_stats previous_stats;
5397 struct ieee80211_hdr_3addr *hdr;
5398 u16 fc,type;
5399
5400 // Get Signal Quality for only RX data queue (but not command queue)
5401
5402 u8* tmp_buf;
5403 u8 *praddr;
5404
5405 /* Get MAC frame start address. */
5406 tmp_buf = skb->data;
5407
5408 hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
5409 fc = le16_to_cpu(hdr->frame_ctl);
5410 type = WLAN_FC_GET_TYPE(fc);
5411 praddr = hdr->addr1;
5412
5413 /* Check if the received packet is acceptabe. */
5414 bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
5415 (!compare_ether_addr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
5416 && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
5417 bpacket_toself = bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr));
5418 #if 1//cosa
5419 if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
5420 {
5421 bPacketBeacon = true;
5422 //DbgPrint("Beacon 2, MatchBSSID = %d, ToSelf = %d \n", bPacketMatchBSSID, bPacketToSelf);
5423 }
5424 if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
5425 {
5426 if((!compare_ether_addr(praddr,dev->dev_addr)))
5427 bToSelfBA = true;
5428 //DbgPrint("BlockAck, MatchBSSID = %d, ToSelf = %d \n", bPacketMatchBSSID, bPacketToSelf);
5429 }
5430
5431 #endif
5432 if(bpacket_match_bssid)
5433 {
5434 priv->stats.numpacket_matchbssid++;
5435 }
5436 if(bpacket_toself){
5437 priv->stats.numpacket_toself++;
5438 }
5439 //
5440 // Process PHY information for previous packet (RSSI/PWDB/EVM)
5441 //
5442 // Because phy information is contained in the last packet of AMPDU only, so driver
5443 // should process phy information of previous packet
5444 rtl8192_process_phyinfo(priv, tmp_buf,&previous_stats, pstats);
5445 rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &previous_stats, bpacket_match_bssid,
5446 bpacket_toself ,bPacketBeacon, bToSelfBA);
5447 rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
5448
5449 }
5450
5451
5452 static void rtl8192_tx_resume(struct net_device *dev)
5453 {
5454 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5455 struct ieee80211_device *ieee = priv->ieee80211;
5456 struct sk_buff *skb;
5457 int queue_index;
5458
5459 for(queue_index = BK_QUEUE; queue_index < TXCMD_QUEUE;queue_index++) {
5460 while((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
5461 (priv->ieee80211->check_nic_enough_desc(dev,queue_index) > 0)) {
5462 /* 1. dequeue the packet from the wait queue */
5463 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
5464 /* 2. tx the packet directly */
5465 ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
5466 }
5467 }
5468 }
5469
5470 static void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
5471 {
5472 rtl8192_tx_resume(priv->ieee80211->dev);
5473 }
5474
5475 /* Record the received data rate */
5476 static void UpdateReceivedRateHistogramStatistics8190(
5477 struct net_device *dev,
5478 struct ieee80211_rx_stats* pstats
5479 )
5480 {
5481 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5482 u32 rcvType=1; //0: Total, 1:OK, 2:CRC, 3:ICV
5483 u32 rateIndex;
5484 u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
5485
5486 if(pstats->bCRC)
5487 rcvType = 2;
5488 else if(pstats->bICV)
5489 rcvType = 3;
5490
5491 if(pstats->bShortPreamble)
5492 preamble_guardinterval = 1;// short
5493 else
5494 preamble_guardinterval = 0;// long
5495
5496 switch(pstats->rate)
5497 {
5498 //
5499 // CCK rate
5500 //
5501 case MGN_1M: rateIndex = 0; break;
5502 case MGN_2M: rateIndex = 1; break;
5503 case MGN_5_5M: rateIndex = 2; break;
5504 case MGN_11M: rateIndex = 3; break;
5505 //
5506 // Legacy OFDM rate
5507 //
5508 case MGN_6M: rateIndex = 4; break;
5509 case MGN_9M: rateIndex = 5; break;
5510 case MGN_12M: rateIndex = 6; break;
5511 case MGN_18M: rateIndex = 7; break;
5512 case MGN_24M: rateIndex = 8; break;
5513 case MGN_36M: rateIndex = 9; break;
5514 case MGN_48M: rateIndex = 10; break;
5515 case MGN_54M: rateIndex = 11; break;
5516 //
5517 // 11n High throughput rate
5518 //
5519 case MGN_MCS0: rateIndex = 12; break;
5520 case MGN_MCS1: rateIndex = 13; break;
5521 case MGN_MCS2: rateIndex = 14; break;
5522 case MGN_MCS3: rateIndex = 15; break;
5523 case MGN_MCS4: rateIndex = 16; break;
5524 case MGN_MCS5: rateIndex = 17; break;
5525 case MGN_MCS6: rateIndex = 18; break;
5526 case MGN_MCS7: rateIndex = 19; break;
5527 case MGN_MCS8: rateIndex = 20; break;
5528 case MGN_MCS9: rateIndex = 21; break;
5529 case MGN_MCS10: rateIndex = 22; break;
5530 case MGN_MCS11: rateIndex = 23; break;
5531 case MGN_MCS12: rateIndex = 24; break;
5532 case MGN_MCS13: rateIndex = 25; break;
5533 case MGN_MCS14: rateIndex = 26; break;
5534 case MGN_MCS15: rateIndex = 27; break;
5535 default: rateIndex = 28; break;
5536 }
5537 priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
5538 priv->stats.received_rate_histogram[0][rateIndex]++; //total
5539 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
5540 }
5541
5542 static void rtl8192_rx(struct net_device *dev)
5543 {
5544 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5545 struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
5546 bool unicast_packet = false;
5547 struct ieee80211_rx_stats stats = {
5548 .signal = 0,
5549 .noise = -98,
5550 .rate = 0,
5551 .freq = IEEE80211_24GHZ_BAND,
5552 };
5553 unsigned int count = priv->rxringcount;
5554
5555 stats.nic_type = NIC_8192E;
5556
5557 while (count--) {
5558 rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
5559 struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
5560
5561 if (pdesc->OWN){
5562 /* wait data to be filled by hardware */
5563 return;
5564 } else {
5565 stats.bICV = pdesc->ICV;
5566 stats.bCRC = pdesc->CRC32;
5567 stats.bHwError = pdesc->CRC32 | pdesc->ICV;
5568
5569 stats.Length = pdesc->Length;
5570 if(stats.Length < 24)
5571 stats.bHwError |= 1;
5572
5573 if(stats.bHwError) {
5574 stats.bShift = false;
5575
5576 if(pdesc->CRC32) {
5577 if (pdesc->Length <500)
5578 priv->stats.rxcrcerrmin++;
5579 else if (pdesc->Length >1000)
5580 priv->stats.rxcrcerrmax++;
5581 else
5582 priv->stats.rxcrcerrmid++;
5583 }
5584 goto done;
5585 } else {
5586 prx_fwinfo_819x_pci pDrvInfo = NULL;
5587 struct sk_buff *new_skb = dev_alloc_skb(priv->rxbuffersize);
5588
5589 if (unlikely(!new_skb)) {
5590 goto done;
5591 }
5592
5593 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
5594 stats.RxBufShift = ((pdesc->Shift)&0x03);
5595 stats.Decrypted = !pdesc->SWDec;
5596
5597 pci_dma_sync_single_for_cpu(priv->pdev,
5598 *((dma_addr_t *)skb->cb),
5599 priv->rxbuffersize,
5600 PCI_DMA_FROMDEVICE);
5601 skb_put(skb, pdesc->Length);
5602 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
5603 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
5604
5605 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
5606 stats.bShortPreamble = pDrvInfo->SPLCP;
5607
5608 /* it is debug only. It should be disabled in released driver.
5609 * 2007.1.11 by Emily
5610 * */
5611 UpdateReceivedRateHistogramStatistics8190(dev, &stats);
5612
5613 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
5614 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
5615
5616 stats.TimeStampLow = pDrvInfo->TSFL;
5617 stats.TimeStampHigh = read_nic_dword(dev, TSFR+4);
5618
5619 UpdateRxPktTimeStamp8190(dev, &stats);
5620
5621 //
5622 // Get Total offset of MPDU Frame Body
5623 //
5624 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
5625 stats.bShift = 1;
5626
5627 stats.RxIs40MHzPacket = pDrvInfo->BW;
5628
5629 /* ???? */
5630 TranslateRxSignalStuff819xpci(dev,skb, &stats, pdesc, pDrvInfo);
5631
5632 /* Rx A-MPDU */
5633 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
5634 RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
5635 pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
5636 skb_trim(skb, skb->len - 4/*sCrcLng*/);
5637 /* rx packets statistics */
5638 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
5639 unicast_packet = false;
5640
5641 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
5642 //TODO
5643 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
5644 //TODO
5645 }else {
5646 /* unicast packet */
5647 unicast_packet = true;
5648 }
5649
5650 stats.packetlength = stats.Length-4;
5651 stats.fraglength = stats.packetlength;
5652 stats.fragoffset = 0;
5653 stats.ntotalfrag = 1;
5654
5655 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
5656 dev_kfree_skb_any(skb);
5657 } else {
5658 priv->stats.rxok++;
5659 if(unicast_packet) {
5660 priv->stats.rxbytesunicast += skb->len;
5661 }
5662 }
5663
5664 pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb),
5665 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
5666
5667 skb = new_skb;
5668 priv->rx_buf[priv->rx_idx] = skb;
5669 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
5670 }
5671
5672 }
5673 done:
5674 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
5675 pdesc->OWN = 1;
5676 pdesc->Length = priv->rxbuffersize;
5677 if (priv->rx_idx == priv->rxringcount-1)
5678 pdesc->EOR = 1;
5679 priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
5680 }
5681
5682 }
5683
5684 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
5685 {
5686 rtl8192_rx(priv->ieee80211->dev);
5687 /* unmask RDU */
5688 write_nic_dword(priv->ieee80211->dev, INTA_MASK,read_nic_dword(priv->ieee80211->dev, INTA_MASK) | IMR_RDU);
5689 }
5690
5691 static const struct net_device_ops rtl8192_netdev_ops = {
5692 .ndo_open = rtl8192_open,
5693 .ndo_stop = rtl8192_close,
5694 .ndo_tx_timeout = tx_timeout,
5695 .ndo_do_ioctl = rtl8192_ioctl,
5696 .ndo_set_multicast_list = r8192_set_multicast,
5697 .ndo_set_mac_address = r8192_set_mac_adr,
5698 .ndo_start_xmit = ieee80211_rtl_xmit,
5699 };
5700
5701 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
5702 const struct pci_device_id *id)
5703 {
5704 unsigned long ioaddr = 0;
5705 struct net_device *dev = NULL;
5706 struct r8192_priv *priv= NULL;
5707 u8 unit = 0;
5708 int ret = -ENODEV;
5709
5710 #ifdef CONFIG_RTL8192_IO_MAP
5711 unsigned long pio_start, pio_len, pio_flags;
5712 #else
5713 unsigned long pmem_start, pmem_len, pmem_flags;
5714 #endif //end #ifdef RTL_IO_MAP
5715
5716 RT_TRACE(COMP_INIT,"Configuring chip resources");
5717
5718 if( pci_enable_device (pdev) ){
5719 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
5720 return -EIO;
5721 }
5722
5723 pci_set_master(pdev);
5724 //pci_set_wmi(pdev);
5725 pci_set_dma_mask(pdev, 0xffffff00ULL);
5726 pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
5727 dev = alloc_ieee80211(sizeof(struct r8192_priv));
5728 if (!dev) {
5729 ret = -ENOMEM;
5730 goto fail_free;
5731 }
5732
5733 pci_set_drvdata(pdev, dev);
5734 SET_NETDEV_DEV(dev, &pdev->dev);
5735 priv = ieee80211_priv(dev);
5736 priv->ieee80211 = netdev_priv(dev);
5737 priv->pdev=pdev;
5738 if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
5739 priv->ieee80211->bSupportRemoteWakeUp = 1;
5740 } else
5741 {
5742 priv->ieee80211->bSupportRemoteWakeUp = 0;
5743 }
5744
5745 #ifdef CONFIG_RTL8192_IO_MAP
5746
5747 pio_start = (unsigned long)pci_resource_start (pdev, 0);
5748 pio_len = (unsigned long)pci_resource_len (pdev, 0);
5749 pio_flags = (unsigned long)pci_resource_flags (pdev, 0);
5750
5751 if (!(pio_flags & IORESOURCE_IO)) {
5752 RT_TRACE(COMP_ERR,"region #0 not a PIO resource, aborting");
5753 goto fail;
5754 }
5755
5756 //DMESG("IO space @ 0x%08lx", pio_start );
5757 if( ! request_region( pio_start, pio_len, RTL819xE_MODULE_NAME ) ){
5758 RT_TRACE(COMP_ERR,"request_region failed!");
5759 goto fail;
5760 }
5761
5762 ioaddr = pio_start;
5763 dev->base_addr = ioaddr; // device I/O address
5764
5765 #else
5766
5767 pmem_start = pci_resource_start(pdev, 1);
5768 pmem_len = pci_resource_len(pdev, 1);
5769 pmem_flags = pci_resource_flags (pdev, 1);
5770
5771 if (!(pmem_flags & IORESOURCE_MEM)) {
5772 RT_TRACE(COMP_ERR,"region #1 not a MMIO resource, aborting");
5773 goto fail;
5774 }
5775
5776 //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
5777 if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
5778 RT_TRACE(COMP_ERR,"request_mem_region failed!");
5779 goto fail;
5780 }
5781
5782
5783 ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
5784 if( ioaddr == (unsigned long)NULL ){
5785 RT_TRACE(COMP_ERR,"ioremap failed!");
5786 // release_mem_region( pmem_start, pmem_len );
5787 goto fail1;
5788 }
5789
5790 dev->mem_start = ioaddr; // shared mem start
5791 dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end
5792
5793 #endif //end #ifdef RTL_IO_MAP
5794
5795 /* We disable the RETRY_TIMEOUT register (0x41) to keep
5796 * PCI Tx retries from interfering with C3 CPU state */
5797 pci_write_config_byte(pdev, 0x41, 0x00);
5798
5799
5800 pci_read_config_byte(pdev, 0x05, &unit);
5801 pci_write_config_byte(pdev, 0x05, unit & (~0x04));
5802
5803 dev->irq = pdev->irq;
5804 priv->irq = 0;
5805
5806 dev->netdev_ops = &rtl8192_netdev_ops;
5807
5808 //DMESG("Oops: i'm coming\n");
5809 #if WIRELESS_EXT >= 12
5810 #if WIRELESS_EXT < 17
5811 dev->get_wireless_stats = r8192_get_wireless_stats;
5812 #endif
5813 dev->wireless_handlers = (struct iw_handler_def *) &r8192_wx_handlers_def;
5814 #endif
5815 //dev->get_wireless_stats = r8192_get_wireless_stats;
5816 dev->type=ARPHRD_ETHER;
5817
5818 dev->watchdog_timeo = HZ*3; //modified by john, 0805
5819
5820 if (dev_alloc_name(dev, ifname) < 0){
5821 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
5822 strcpy(ifname, "wlan%d");
5823 dev_alloc_name(dev, ifname);
5824 }
5825
5826 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
5827 if(rtl8192_init(dev)!=0){
5828 RT_TRACE(COMP_ERR, "Initialization failed");
5829 goto fail;
5830 }
5831
5832 netif_carrier_off(dev);
5833 netif_stop_queue(dev);
5834
5835 register_netdev(dev);
5836 RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
5837 rtl8192_proc_init_one(dev);
5838
5839
5840 RT_TRACE(COMP_INIT, "Driver probe completed\n");
5841 return 0;
5842
5843 fail1:
5844
5845 #ifdef CONFIG_RTL8180_IO_MAP
5846
5847 if( dev->base_addr != 0 ){
5848
5849 release_region(dev->base_addr,
5850 pci_resource_len(pdev, 0) );
5851 }
5852 #else
5853 if( dev->mem_start != (unsigned long)NULL ){
5854 iounmap( (void *)dev->mem_start );
5855 release_mem_region( pci_resource_start(pdev, 1),
5856 pci_resource_len(pdev, 1) );
5857 }
5858 #endif //end #ifdef RTL_IO_MAP
5859
5860 fail:
5861 if(dev){
5862
5863 if (priv->irq) {
5864 free_irq(dev->irq, dev);
5865 dev->irq=0;
5866 }
5867 free_ieee80211(dev);
5868 }
5869
5870 fail_free:
5871 pci_disable_device(pdev);
5872
5873 DMESG("wlan driver load failed\n");
5874 pci_set_drvdata(pdev, NULL);
5875 return ret;
5876
5877 }
5878
5879 /* detach all the work and timer structure declared or inititialized
5880 * in r8192_init function.
5881 * */
5882 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
5883 {
5884 /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
5885 * is or is newer than 2.6.20 and work structure is defined to be struct work_struct.
5886 * Otherwise call cancel_delayed_work is enough.
5887 * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
5888 * */
5889 cancel_delayed_work(&priv->watch_dog_wq);
5890 cancel_delayed_work(&priv->update_beacon_wq);
5891 cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
5892 cancel_delayed_work(&priv->ieee80211->hw_sleep_wq);
5893 #ifdef RTL8192E
5894 cancel_delayed_work(&priv->gpio_change_rf_wq);
5895 #endif
5896 cancel_work_sync(&priv->reset_wq);
5897 cancel_work_sync(&priv->qos_activate);
5898 //cancel_work_sync(&priv->SetBWModeWorkItem);
5899 //cancel_work_sync(&priv->SwChnlWorkItem);
5900
5901 }
5902
5903
5904 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
5905 {
5906 struct net_device *dev = pci_get_drvdata(pdev);
5907 struct r8192_priv *priv ;
5908
5909 if(dev){
5910
5911 unregister_netdev(dev);
5912
5913 priv=ieee80211_priv(dev);
5914
5915 rtl8192_proc_remove_one(dev);
5916
5917 rtl8192_down(dev);
5918 if (priv->pFirmware)
5919 {
5920 vfree(priv->pFirmware);
5921 priv->pFirmware = NULL;
5922 }
5923 // priv->rf_close(dev);
5924 // rtl8192_usb_deleteendpoints(dev);
5925 destroy_workqueue(priv->priv_wq);
5926 /* redundant with rtl8192_down */
5927 // rtl8192_irq_disable(dev);
5928 // rtl8192_reset(dev);
5929 // mdelay(10);
5930 {
5931 u32 i;
5932 /* free tx/rx rings */
5933 rtl8192_free_rx_ring(dev);
5934 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
5935 rtl8192_free_tx_ring(dev, i);
5936 }
5937 }
5938 if(priv->irq){
5939
5940 printk("Freeing irq %d\n",dev->irq);
5941 free_irq(dev->irq, dev);
5942 priv->irq=0;
5943
5944 }
5945
5946 #ifdef CONFIG_RTL8180_IO_MAP
5947
5948 if( dev->base_addr != 0 ){
5949
5950 release_region(dev->base_addr,
5951 pci_resource_len(pdev, 0) );
5952 }
5953 #else
5954 if( dev->mem_start != (unsigned long)NULL ){
5955 iounmap( (void *)dev->mem_start );
5956 release_mem_region( pci_resource_start(pdev, 1),
5957 pci_resource_len(pdev, 1) );
5958 }
5959 #endif /*end #ifdef RTL_IO_MAP*/
5960 free_ieee80211(dev);
5961
5962 }
5963
5964 pci_disable_device(pdev);
5965 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5966 }
5967
5968 extern int ieee80211_rtl_init(void);
5969 extern void ieee80211_rtl_exit(void);
5970
5971 static int __init rtl8192_pci_module_init(void)
5972 {
5973 int retval;
5974
5975 retval = ieee80211_rtl_init();
5976 if (retval)
5977 return retval;
5978
5979 printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
5980 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
5981 RT_TRACE(COMP_INIT, "Initializing module");
5982 RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
5983 rtl8192_proc_module_init();
5984 if(0!=pci_register_driver(&rtl8192_pci_driver))
5985 {
5986 DMESG("No device found");
5987 /*pci_unregister_driver (&rtl8192_pci_driver);*/
5988 return -ENODEV;
5989 }
5990 return 0;
5991 }
5992
5993
5994 static void __exit rtl8192_pci_module_exit(void)
5995 {
5996 pci_unregister_driver(&rtl8192_pci_driver);
5997
5998 RT_TRACE(COMP_DOWN, "Exiting");
5999 rtl8192_proc_module_remove();
6000 ieee80211_rtl_exit();
6001 }
6002
6003 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
6004 {
6005 struct net_device *dev = (struct net_device *) netdev;
6006 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
6007 unsigned long flags;
6008 u32 inta;
6009 irqreturn_t ret = IRQ_HANDLED;
6010
6011 spin_lock_irqsave(&priv->irq_th_lock, flags);
6012
6013 /* We should return IRQ_NONE, but for now let me keep this */
6014 if (priv->irq_enabled == 0)
6015 goto out_unlock;
6016
6017 /* ISR: 4bytes */
6018
6019 inta = read_nic_dword(dev, ISR); /* & priv->IntrMask; */
6020 write_nic_dword(dev, ISR, inta); /* reset int situation */
6021
6022 priv->stats.shints++;
6023 if (!inta) {
6024 /*
6025 * most probably we can safely return IRQ_NONE,
6026 * but for now is better to avoid problems
6027 */
6028 goto out_unlock;
6029 }
6030
6031 if (inta == 0xffff) {
6032 /* HW disappared */
6033 goto out_unlock;
6034 }
6035
6036 priv->stats.ints++;
6037
6038 if (!netif_running(dev))
6039 goto out_unlock;
6040
6041 if (inta & IMR_TBDOK) {
6042 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
6043 rtl8192_tx_isr(dev, BEACON_QUEUE);
6044 priv->stats.txbeaconokint++;
6045 }
6046
6047 if (inta & IMR_TBDER) {
6048 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
6049 rtl8192_tx_isr(dev, BEACON_QUEUE);
6050 priv->stats.txbeaconerr++;
6051 }
6052
6053 if (inta & IMR_MGNTDOK ) {
6054 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
6055 priv->stats.txmanageokint++;
6056 rtl8192_tx_isr(dev,MGNT_QUEUE);
6057 }
6058
6059 if (inta & IMR_COMDOK)
6060 {
6061 priv->stats.txcmdpktokint++;
6062 rtl8192_tx_isr(dev, TXCMD_QUEUE);
6063 }
6064
6065 if (inta & IMR_ROK) {
6066 priv->stats.rxint++;
6067 tasklet_schedule(&priv->irq_rx_tasklet);
6068 }
6069
6070 if (inta & IMR_BcnInt) {
6071 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
6072 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
6073 }
6074
6075 if (inta & IMR_RDU) {
6076 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
6077 priv->stats.rxrdu++;
6078 /* reset int situation */
6079 write_nic_dword(dev, INTA_MASK, read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
6080 tasklet_schedule(&priv->irq_rx_tasklet);
6081 }
6082
6083 if (inta & IMR_RXFOVW) {
6084 RT_TRACE(COMP_INTR, "rx overflow !\n");
6085 priv->stats.rxoverflow++;
6086 tasklet_schedule(&priv->irq_rx_tasklet);
6087 }
6088
6089 if (inta & IMR_TXFOVW)
6090 priv->stats.txoverflow++;
6091
6092 if (inta & IMR_BKDOK) {
6093 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
6094 priv->stats.txbkokint++;
6095 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
6096 rtl8192_tx_isr(dev, BK_QUEUE);
6097 }
6098
6099 if (inta & IMR_BEDOK) {
6100 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
6101 priv->stats.txbeokint++;
6102 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
6103 rtl8192_tx_isr(dev, BE_QUEUE);
6104 }
6105
6106 if (inta & IMR_VIDOK) {
6107 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
6108 priv->stats.txviokint++;
6109 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
6110 rtl8192_tx_isr(dev, VI_QUEUE);
6111 }
6112
6113 if (inta & IMR_VODOK) {
6114 priv->stats.txvookint++;
6115 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
6116 rtl8192_tx_isr(dev, VO_QUEUE);
6117 }
6118
6119 out_unlock:
6120 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
6121
6122 return ret;
6123 }
6124
6125 void EnableHWSecurityConfig8192(struct net_device *dev)
6126 {
6127 u8 SECR_value = 0x0;
6128 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
6129 struct ieee80211_device* ieee = priv->ieee80211;
6130
6131 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
6132 #if 1
6133 if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
6134 {
6135 SECR_value |= SCR_RxUseDK;
6136 SECR_value |= SCR_TxUseDK;
6137 }
6138 else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
6139 {
6140 SECR_value |= SCR_RxUseDK;
6141 SECR_value |= SCR_TxUseDK;
6142 }
6143
6144 #endif
6145
6146 //add HWSec active enable here.
6147 //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
6148 ieee->hwsec_active = 1;
6149
6150 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
6151 {
6152 ieee->hwsec_active = 0;
6153 SECR_value &= ~SCR_RxDecEnable;
6154 }
6155
6156 RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__,
6157 ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
6158 {
6159 write_nic_byte(dev, SECR, SECR_value);//SECR_value | SCR_UseDK );
6160 }
6161
6162 }
6163 #define TOTAL_CAM_ENTRY 32
6164 //#define CAM_CONTENT_COUNT 8
6165 void setKey( struct net_device *dev,
6166 u8 EntryNo,
6167 u8 KeyIndex,
6168 u16 KeyType,
6169 const u8 *MacAddr,
6170 u8 DefaultKey,
6171 u32 *KeyContent )
6172 {
6173 u32 TargetCommand = 0;
6174 u32 TargetContent = 0;
6175 u16 usConfig = 0;
6176 u8 i;
6177 #ifdef ENABLE_IPS
6178 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
6179 RT_RF_POWER_STATE rtState;
6180 rtState = priv->ieee80211->eRFPowerState;
6181 if(priv->ieee80211->PowerSaveControl.bInactivePs){
6182 if(rtState == eRfOff){
6183 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
6184 {
6185 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
6186 //up(&priv->wx_sem);
6187 return ;
6188 }
6189 else{
6190 down(&priv->ieee80211->ips_sem);
6191 IPSLeave(dev);
6192 up(&priv->ieee80211->ips_sem);
6193 }
6194 }
6195 }
6196 priv->ieee80211->is_set_key = true;
6197 #endif
6198 if (EntryNo >= TOTAL_CAM_ENTRY)
6199 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
6200
6201 RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr);
6202
6203 if (DefaultKey)
6204 usConfig |= BIT15 | (KeyType<<2);
6205 else
6206 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
6207 // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
6208
6209
6210 for(i=0 ; i<CAM_CONTENT_COUNT; i++){
6211 TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
6212 TargetCommand |= BIT31|BIT16;
6213
6214 if(i==0){//MAC|Config
6215 TargetContent = (u32)(*(MacAddr+0)) << 16|
6216 (u32)(*(MacAddr+1)) << 24|
6217 (u32)usConfig;
6218
6219 write_nic_dword(dev, WCAMI, TargetContent);
6220 write_nic_dword(dev, RWCAM, TargetCommand);
6221 // printk("setkey cam =%8x\n", read_cam(dev, i+6*EntryNo));
6222 }
6223 else if(i==1){//MAC
6224 TargetContent = (u32)(*(MacAddr+2)) |
6225 (u32)(*(MacAddr+3)) << 8|
6226 (u32)(*(MacAddr+4)) << 16|
6227 (u32)(*(MacAddr+5)) << 24;
6228 write_nic_dword(dev, WCAMI, TargetContent);
6229 write_nic_dword(dev, RWCAM, TargetCommand);
6230 }
6231 else { //Key Material
6232 if(KeyContent != NULL)
6233 {
6234 write_nic_dword(dev, WCAMI, (u32)(*(KeyContent+i-2)) );
6235 write_nic_dword(dev, RWCAM, TargetCommand);
6236 }
6237 }
6238 }
6239 RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
6240 }
6241
6242 bool NicIFEnableNIC(struct net_device* dev)
6243 {
6244 RT_STATUS init_status = RT_STATUS_SUCCESS;
6245 struct r8192_priv* priv = ieee80211_priv(dev);
6246 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
6247
6248 //YJ,add,091109
6249 if (priv->up == 0){
6250 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
6251 priv->bdisable_nic = false; //YJ,add,091111
6252 return false;
6253 }
6254 // <1> Reset memory: descriptor, buffer,..
6255 //NicIFResetMemory(Adapter);
6256
6257 // <2> Enable Adapter
6258 //priv->bfirst_init = true;
6259 init_status = rtl8192_adapter_start(dev);
6260 if (init_status != RT_STATUS_SUCCESS) {
6261 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
6262 priv->bdisable_nic = false; //YJ,add,091111
6263 return -1;
6264 }
6265 //printk("start adapter finished\n");
6266 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
6267 //priv->bfirst_init = false;
6268
6269 // <3> Enable Interrupt
6270 rtl8192_irq_enable(dev);
6271 priv->bdisable_nic = false;
6272
6273 return (init_status == RT_STATUS_SUCCESS);
6274 }
6275
6276 bool NicIFDisableNIC(struct net_device* dev)
6277 {
6278 bool status = true;
6279 struct r8192_priv* priv = ieee80211_priv(dev);
6280 u8 tmp_state = 0;
6281 // <1> Disable Interrupt
6282
6283 priv->bdisable_nic = true; //YJ,move,091109
6284 tmp_state = priv->ieee80211->state;
6285
6286 ieee80211_softmac_stop_protocol(priv->ieee80211, false);
6287
6288 priv->ieee80211->state = tmp_state;
6289 rtl8192_cancel_deferred_work(priv);
6290 rtl8192_irq_disable(dev);
6291 // <2> Stop all timer
6292
6293 // <3> Disable Adapter
6294 rtl8192_halt_adapter(dev, false);
6295 // priv->bdisable_nic = true;
6296
6297 return status;
6298 }
6299
6300 module_init(rtl8192_pci_module_init);
6301 module_exit(rtl8192_pci_module_exit);
Linux kernel - Deliverables
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