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Staging: rtl8192e: Remove unused card type
[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 VO priority ok int: %lu\n"
551 "TX BE priority ok int: %lu\n"
552 "TX BK priority ok int: %lu\n"
553 "TX MANAGE priority ok int: %lu\n"
554 "TX BEACON priority ok int: %lu\n"
555 "TX BEACON priority error int: %lu\n"
556 "TX CMDPKT priority ok int: %lu\n"
557 "TX queue stopped?: %d\n"
558 "TX fifo overflow: %lu\n"
559 "TX total data packets %lu\n"
560 "TX total data bytes :%lu\n",
561 priv->stats.txviokint,
562 priv->stats.txvookint,
563 priv->stats.txbeokint,
564 priv->stats.txbkokint,
565 priv->stats.txmanageokint,
566 priv->stats.txbeaconokint,
567 priv->stats.txbeaconerr,
568 priv->stats.txcmdpktokint,
569 netif_queue_stopped(dev),
570 priv->stats.txoverflow,
571 priv->ieee80211->stats.tx_packets,
572 priv->ieee80211->stats.tx_bytes);
573
574 *eof = 1;
575 return len;
576 }
577
578
579
580 static int proc_get_stats_rx(char *page, char **start,
581 off_t offset, int count,
582 int *eof, void *data)
583 {
584 struct net_device *dev = data;
585 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
586
587 int len = 0;
588
589 len += snprintf(page + len, count - len,
590 "RX packets: %lu\n"
591 "RX desc err: %lu\n"
592 "RX rx overflow error: %lu\n",
593 priv->stats.rxint,
594 priv->stats.rxrdu,
595 priv->stats.rxoverflow);
596
597 *eof = 1;
598 return len;
599 }
600
601 static void rtl8192_proc_module_init(void)
602 {
603 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
604 rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
605 }
606
607
608 static void rtl8192_proc_module_remove(void)
609 {
610 remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
611 }
612
613
614 static void rtl8192_proc_remove_one(struct net_device *dev)
615 {
616 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
617
618 printk("dev name=======> %s\n",dev->name);
619
620 if (priv->dir_dev) {
621 // remove_proc_entry("stats-hw", priv->dir_dev);
622 remove_proc_entry("stats-tx", priv->dir_dev);
623 remove_proc_entry("stats-rx", priv->dir_dev);
624 // remove_proc_entry("stats-ieee", priv->dir_dev);
625 remove_proc_entry("stats-ap", priv->dir_dev);
626 remove_proc_entry("registers", priv->dir_dev);
627 // remove_proc_entry("cck-registers",priv->dir_dev);
628 // remove_proc_entry("ofdm-registers",priv->dir_dev);
629 //remove_proc_entry(dev->name, rtl8192_proc);
630 remove_proc_entry("wlan0", rtl8192_proc);
631 priv->dir_dev = NULL;
632 }
633 }
634
635
636 static void rtl8192_proc_init_one(struct net_device *dev)
637 {
638 struct proc_dir_entry *e;
639 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
640 priv->dir_dev = create_proc_entry(dev->name,
641 S_IFDIR | S_IRUGO | S_IXUGO,
642 rtl8192_proc);
643 if (!priv->dir_dev) {
644 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
645 dev->name);
646 return;
647 }
648 e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
649 priv->dir_dev, proc_get_stats_rx, dev);
650
651 if (!e) {
652 RT_TRACE(COMP_ERR,"Unable to initialize "
653 "/proc/net/rtl8192/%s/stats-rx\n",
654 dev->name);
655 }
656
657
658 e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
659 priv->dir_dev, proc_get_stats_tx, dev);
660
661 if (!e) {
662 RT_TRACE(COMP_ERR, "Unable to initialize "
663 "/proc/net/rtl8192/%s/stats-tx\n",
664 dev->name);
665 }
666
667 e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
668 priv->dir_dev, proc_get_stats_ap, dev);
669
670 if (!e) {
671 RT_TRACE(COMP_ERR, "Unable to initialize "
672 "/proc/net/rtl8192/%s/stats-ap\n",
673 dev->name);
674 }
675
676 e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
677 priv->dir_dev, proc_get_registers, dev);
678 if (!e) {
679 RT_TRACE(COMP_ERR, "Unable to initialize "
680 "/proc/net/rtl8192/%s/registers\n",
681 dev->name);
682 }
683 }
684
685 short check_nic_enough_desc(struct net_device *dev, int prio)
686 {
687 struct r8192_priv *priv = ieee80211_priv(dev);
688 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
689
690 /* for now we reserve two free descriptor as a safety boundary
691 * between the tail and the head
692 */
693 return (ring->entries - skb_queue_len(&ring->queue) >= 2);
694 }
695
696 static void tx_timeout(struct net_device *dev)
697 {
698 struct r8192_priv *priv = ieee80211_priv(dev);
699
700 schedule_work(&priv->reset_wq);
701 printk("TXTIMEOUT");
702 }
703
704 static void rtl8192_irq_enable(struct net_device *dev)
705 {
706 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
707 priv->irq_enabled = 1;
708 write_nic_dword(dev,INTA_MASK, priv->irq_mask);
709 }
710
711 void rtl8192_irq_disable(struct net_device *dev)
712 {
713 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
714
715 write_nic_dword(dev,INTA_MASK,0);
716 priv->irq_enabled = 0;
717 }
718
719 void rtl8192_update_msr(struct net_device *dev)
720 {
721 struct r8192_priv *priv = ieee80211_priv(dev);
722 u8 msr;
723
724 msr = read_nic_byte(dev, MSR);
725 msr &= ~ MSR_LINK_MASK;
726
727 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
728 * msr must be updated if the state is ASSOCIATING.
729 * this is intentional and make sense for ad-hoc and
730 * master (see the create BSS/IBSS func)
731 */
732 if (priv->ieee80211->state == IEEE80211_LINKED){
733
734 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
735 msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
736 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
737 msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
738 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
739 msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
740
741 }else
742 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
743
744 write_nic_byte(dev, MSR, msr);
745 }
746
747 void rtl8192_set_chan(struct net_device *dev,short ch)
748 {
749 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
750
751 priv->chan = ch;
752
753 /* need to implement rf set channel here WB */
754
755 if (priv->rf_set_chan)
756 priv->rf_set_chan(dev, priv->chan);
757 }
758
759 void rtl8192_rx_enable(struct net_device *dev)
760 {
761 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
762
763 write_nic_dword(dev, RDQDA,priv->rx_ring_dma);
764 }
765
766 /* the TX_DESC_BASE setting is according to the following queue index
767 * BK_QUEUE ===> 0
768 * BE_QUEUE ===> 1
769 * VI_QUEUE ===> 2
770 * VO_QUEUE ===> 3
771 * HCCA_QUEUE ===> 4
772 * TXCMD_QUEUE ===> 5
773 * MGNT_QUEUE ===> 6
774 * HIGH_QUEUE ===> 7
775 * BEACON_QUEUE ===> 8
776 * */
777 static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
778 void rtl8192_tx_enable(struct net_device *dev)
779 {
780 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
781 u32 i;
782
783 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
784 write_nic_dword(dev, TX_DESC_BASE[i], priv->tx_ring[i].dma);
785
786 ieee80211_reset_queue(priv->ieee80211);
787 }
788
789
790 static void rtl8192_free_rx_ring(struct net_device *dev)
791 {
792 struct r8192_priv *priv = ieee80211_priv(dev);
793 int i;
794
795 for (i = 0; i < priv->rxringcount; i++) {
796 struct sk_buff *skb = priv->rx_buf[i];
797 if (!skb)
798 continue;
799
800 pci_unmap_single(priv->pdev,
801 *((dma_addr_t *)skb->cb),
802 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
803 kfree_skb(skb);
804 }
805
806 pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
807 priv->rx_ring, priv->rx_ring_dma);
808 priv->rx_ring = NULL;
809 }
810
811 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
812 {
813 struct r8192_priv *priv = ieee80211_priv(dev);
814 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
815
816 while (skb_queue_len(&ring->queue)) {
817 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
818 struct sk_buff *skb = __skb_dequeue(&ring->queue);
819
820 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
821 skb->len, PCI_DMA_TODEVICE);
822 kfree_skb(skb);
823 ring->idx = (ring->idx + 1) % ring->entries;
824 }
825
826 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
827 ring->desc, ring->dma);
828 ring->desc = NULL;
829 }
830
831 void PHY_SetRtl8192eRfOff(struct net_device* dev)
832 {
833 //disable RF-Chip A/B
834 rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
835 //analog to digital off, for power save
836 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 0x0);
837 //digital to analog off, for power save
838 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 0x0);
839 //rx antenna off
840 rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0);
841 //rx antenna off
842 rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0);
843 //analog to digital part2 off, for power save
844 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x0);
845 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x4, 0x0);
846 // Analog parameter!!Change bias and Lbus control.
847 write_nic_byte(dev, ANAPAR_FOR_8192PciE, 0x07);
848
849 }
850
851 void rtl8192_halt_adapter(struct net_device *dev, bool reset)
852 {
853 struct r8192_priv *priv = ieee80211_priv(dev);
854 int i;
855 u8 OpMode;
856 u32 ulRegRead;
857
858 OpMode = RT_OP_MODE_NO_LINK;
859 priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode);
860
861 if (!priv->ieee80211->bSupportRemoteWakeUp) {
862 /*
863 * disable tx/rx. In 8185 we write 0x10 (Reset bit),
864 * but here we make reference to WMAC and wirte 0x0
865 */
866 write_nic_byte(dev, CMDR, 0);
867 }
868
869 mdelay(20);
870
871 if (!reset) {
872 mdelay(150);
873
874 #ifdef RTL8192E
875 priv->bHwRfOffAction = 2;
876 #endif
877
878 /*
879 * Call MgntActSet_RF_State instead to
880 * prevent RF config race condition.
881 */
882 if (!priv->ieee80211->bSupportRemoteWakeUp) {
883 PHY_SetRtl8192eRfOff(dev);
884 ulRegRead = read_nic_dword(dev,CPU_GEN);
885 ulRegRead |= CPU_GEN_SYSTEM_RESET;
886 write_nic_dword(dev,CPU_GEN, ulRegRead);
887 } else {
888 /* for WOL */
889 write_nic_dword(dev, WFCRC0, 0xffffffff);
890 write_nic_dword(dev, WFCRC1, 0xffffffff);
891 write_nic_dword(dev, WFCRC2, 0xffffffff);
892
893 /* Write PMR register */
894 write_nic_byte(dev, PMR, 0x5);
895 /* Disable tx, enanble rx */
896 write_nic_byte(dev, MacBlkCtrl, 0xa);
897 }
898 }
899
900 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
901 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
902 }
903 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
904 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
905 }
906
907 skb_queue_purge(&priv->skb_queue);
908 }
909
910 static const u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540};
911 inline u16 rtl8192_rate2rate(short rate)
912 {
913 if (rate >11) return 0;
914 return rtl_rate[rate];
915 }
916
917 static void rtl8192_data_hard_stop(struct net_device *dev)
918 {
919 }
920
921 static void rtl8192_data_hard_resume(struct net_device *dev)
922 {
923 }
924
925 /*
926 * this function TX data frames when the ieee80211 stack requires this.
927 * It checks also if we need to stop the ieee tx queue, eventually do it
928 */
929 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
930 {
931 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
932 int ret;
933 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
934 u8 queue_index = tcb_desc->queue_index;
935
936 /* shall not be referred by command packet */
937 BUG_ON(queue_index == TXCMD_QUEUE);
938
939 if (priv->bHwRadioOff || (!priv->up))
940 {
941 kfree_skb(skb);
942 return;
943 }
944
945 memcpy(skb->cb, &dev, sizeof(dev));
946
947 skb_push(skb, priv->ieee80211->tx_headroom);
948 ret = rtl8192_tx(dev, skb);
949 if (ret != 0) {
950 kfree_skb(skb);
951 }
952
953 if (queue_index != MGNT_QUEUE) {
954 priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom);
955 priv->ieee80211->stats.tx_packets++;
956 }
957 }
958
959 /*
960 * This is a rough attempt to TX a frame
961 * This is called by the ieee 80211 stack to TX management frames.
962 * If the ring is full packet are dropped (for data frame the queue
963 * is stopped before this can happen).
964 */
965 static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
966 {
967 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
968 int ret;
969 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
970 u8 queue_index = tcb_desc->queue_index;
971
972 if (queue_index != TXCMD_QUEUE) {
973 if (priv->bHwRadioOff || (!priv->up))
974 {
975 kfree_skb(skb);
976 return 0;
977 }
978 }
979
980 memcpy(skb->cb, &dev, sizeof(dev));
981 if (queue_index == TXCMD_QUEUE) {
982 rtl819xE_tx_cmd(dev, skb);
983 ret = 0;
984 return ret;
985 } else {
986 tcb_desc->RATRIndex = 7;
987 tcb_desc->bTxDisableRateFallBack = 1;
988 tcb_desc->bTxUseDriverAssingedRate = 1;
989 tcb_desc->bTxEnableFwCalcDur = 1;
990 skb_push(skb, priv->ieee80211->tx_headroom);
991 ret = rtl8192_tx(dev, skb);
992 if (ret != 0) {
993 kfree_skb(skb);
994 }
995 }
996
997 return ret;
998 }
999
1000
1001 static void rtl8192_tx_isr(struct net_device *dev, int prio)
1002 {
1003 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1004 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1005
1006 while (skb_queue_len(&ring->queue)) {
1007 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1008 struct sk_buff *skb;
1009
1010 /*
1011 * beacon packet will only use the first descriptor defaultly,
1012 * and the OWN may not be cleared by the hardware
1013 */
1014 if (prio != BEACON_QUEUE) {
1015 if (entry->OWN)
1016 return;
1017 ring->idx = (ring->idx + 1) % ring->entries;
1018 }
1019
1020 skb = __skb_dequeue(&ring->queue);
1021 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1022 skb->len, PCI_DMA_TODEVICE);
1023
1024 kfree_skb(skb);
1025 }
1026 if (prio == MGNT_QUEUE) {
1027 if (priv->ieee80211->ack_tx_to_ieee) {
1028 if (rtl8192_is_tx_queue_empty(dev)) {
1029 priv->ieee80211->ack_tx_to_ieee = 0;
1030 ieee80211_ps_tx_ack(priv->ieee80211, 1);
1031 }
1032 }
1033 }
1034
1035 if (prio != BEACON_QUEUE) {
1036 /* try to deal with the pending packets */
1037 tasklet_schedule(&priv->irq_tx_tasklet);
1038 }
1039 }
1040
1041 static void rtl8192_stop_beacon(struct net_device *dev)
1042 {
1043 }
1044
1045 static void rtl8192_config_rate(struct net_device* dev, u16* rate_config)
1046 {
1047 struct r8192_priv *priv = ieee80211_priv(dev);
1048 struct ieee80211_network *net;
1049 u8 i=0, basic_rate = 0;
1050 net = & priv->ieee80211->current_network;
1051
1052 for (i=0; i<net->rates_len; i++)
1053 {
1054 basic_rate = net->rates[i]&0x7f;
1055 switch(basic_rate)
1056 {
1057 case MGN_1M: *rate_config |= RRSR_1M; break;
1058 case MGN_2M: *rate_config |= RRSR_2M; break;
1059 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
1060 case MGN_11M: *rate_config |= RRSR_11M; break;
1061 case MGN_6M: *rate_config |= RRSR_6M; break;
1062 case MGN_9M: *rate_config |= RRSR_9M; break;
1063 case MGN_12M: *rate_config |= RRSR_12M; break;
1064 case MGN_18M: *rate_config |= RRSR_18M; break;
1065 case MGN_24M: *rate_config |= RRSR_24M; break;
1066 case MGN_36M: *rate_config |= RRSR_36M; break;
1067 case MGN_48M: *rate_config |= RRSR_48M; break;
1068 case MGN_54M: *rate_config |= RRSR_54M; break;
1069 }
1070 }
1071 for (i=0; i<net->rates_ex_len; i++)
1072 {
1073 basic_rate = net->rates_ex[i]&0x7f;
1074 switch(basic_rate)
1075 {
1076 case MGN_1M: *rate_config |= RRSR_1M; break;
1077 case MGN_2M: *rate_config |= RRSR_2M; break;
1078 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
1079 case MGN_11M: *rate_config |= RRSR_11M; break;
1080 case MGN_6M: *rate_config |= RRSR_6M; break;
1081 case MGN_9M: *rate_config |= RRSR_9M; break;
1082 case MGN_12M: *rate_config |= RRSR_12M; break;
1083 case MGN_18M: *rate_config |= RRSR_18M; break;
1084 case MGN_24M: *rate_config |= RRSR_24M; break;
1085 case MGN_36M: *rate_config |= RRSR_36M; break;
1086 case MGN_48M: *rate_config |= RRSR_48M; break;
1087 case MGN_54M: *rate_config |= RRSR_54M; break;
1088 }
1089 }
1090 }
1091
1092
1093 #define SHORT_SLOT_TIME 9
1094 #define NON_SHORT_SLOT_TIME 20
1095
1096 static void rtl8192_update_cap(struct net_device* dev, u16 cap)
1097 {
1098 u32 tmp = 0;
1099 struct r8192_priv *priv = ieee80211_priv(dev);
1100 struct ieee80211_network *net = &priv->ieee80211->current_network;
1101 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1102 tmp = priv->basic_rate;
1103 if (priv->short_preamble)
1104 tmp |= BRSR_AckShortPmb;
1105 write_nic_dword(dev, RRSR, tmp);
1106
1107 if (net->mode & (IEEE_G|IEEE_N_24G))
1108 {
1109 u8 slot_time = 0;
1110 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1111 {//short slot time
1112 slot_time = SHORT_SLOT_TIME;
1113 }
1114 else //long slot time
1115 slot_time = NON_SHORT_SLOT_TIME;
1116 priv->slot_time = slot_time;
1117 write_nic_byte(dev, SLOT_TIME, slot_time);
1118 }
1119
1120 }
1121
1122 static void rtl8192_net_update(struct net_device *dev)
1123 {
1124 struct r8192_priv *priv = ieee80211_priv(dev);
1125 struct ieee80211_network *net;
1126 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1127 u16 rate_config = 0;
1128 net = &priv->ieee80211->current_network;
1129
1130 /* update Basic rate: RR, BRSR */
1131 rtl8192_config_rate(dev, &rate_config);
1132
1133 /*
1134 * Select RRSR (in Legacy-OFDM and CCK)
1135 * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1136 * 2M, and 1M from the Basic rate.
1137 * We do not use other rates.
1138 */
1139 priv->basic_rate = rate_config &= 0x15f;
1140
1141 /* BSSID */
1142 write_nic_dword(dev, BSSIDR, ((u32 *)net->bssid)[0]);
1143 write_nic_word(dev, BSSIDR+4, ((u16 *)net->bssid)[2]);
1144
1145 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1146 {
1147 write_nic_word(dev, ATIMWND, 2);
1148 write_nic_word(dev, BCN_DMATIME, 256);
1149 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1150 /*
1151 * BIT15 of BCN_DRV_EARLY_INT will indicate
1152 * whether software beacon or hw beacon is applied.
1153 */
1154 write_nic_word(dev, BCN_DRV_EARLY_INT, 10);
1155 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1156
1157 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1158 /* TODO: BcnIFS may required to be changed on ASIC */
1159 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1160 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1161 }
1162 }
1163
1164 void rtl819xE_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1165 {
1166 struct r8192_priv *priv = ieee80211_priv(dev);
1167 struct rtl8192_tx_ring *ring;
1168 tx_desc_819x_pci *entry;
1169 unsigned int idx;
1170 dma_addr_t mapping;
1171 cb_desc *tcb_desc;
1172 unsigned long flags;
1173
1174 ring = &priv->tx_ring[TXCMD_QUEUE];
1175 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1176
1177 spin_lock_irqsave(&priv->irq_th_lock,flags);
1178 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1179 entry = &ring->desc[idx];
1180
1181 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1182 memset(entry,0,12);
1183 entry->LINIP = tcb_desc->bLastIniPkt;
1184 entry->FirstSeg = 1;//first segment
1185 entry->LastSeg = 1; //last segment
1186 if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1187 entry->CmdInit = DESC_PACKET_TYPE_INIT;
1188 } else {
1189 entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1190 entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1191 entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1192 entry->QueueSelect = QSLT_CMD;
1193 entry->TxFWInfoSize = 0x08;
1194 entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1195 }
1196 entry->TxBufferSize = skb->len;
1197 entry->TxBuffAddr = cpu_to_le32(mapping);
1198 entry->OWN = 1;
1199
1200 __skb_queue_tail(&ring->queue, skb);
1201 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1202
1203 write_nic_byte(dev, TPPoll, TPPoll_CQ);
1204
1205 return;
1206 }
1207
1208 /*
1209 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1210 * in TxFwInfo data structure
1211 */
1212 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1213 {
1214 u8 QueueSelect = 0;
1215
1216 switch (QueueID) {
1217 case BE_QUEUE:
1218 QueueSelect = QSLT_BE;
1219 break;
1220
1221 case BK_QUEUE:
1222 QueueSelect = QSLT_BK;
1223 break;
1224
1225 case VO_QUEUE:
1226 QueueSelect = QSLT_VO;
1227 break;
1228
1229 case VI_QUEUE:
1230 QueueSelect = QSLT_VI;
1231 break;
1232
1233 case MGNT_QUEUE:
1234 QueueSelect = QSLT_MGNT;
1235 break;
1236
1237 case BEACON_QUEUE:
1238 QueueSelect = QSLT_BEACON;
1239 break;
1240
1241 case TXCMD_QUEUE:
1242 QueueSelect = QSLT_CMD;
1243 break;
1244
1245 case HIGH_QUEUE:
1246 default:
1247 RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID);
1248 break;
1249 }
1250 return QueueSelect;
1251 }
1252
1253 static u8 MRateToHwRate8190Pci(u8 rate)
1254 {
1255 u8 ret = DESC90_RATE1M;
1256
1257 switch(rate) {
1258 case MGN_1M: ret = DESC90_RATE1M; break;
1259 case MGN_2M: ret = DESC90_RATE2M; break;
1260 case MGN_5_5M: ret = DESC90_RATE5_5M; break;
1261 case MGN_11M: ret = DESC90_RATE11M; break;
1262 case MGN_6M: ret = DESC90_RATE6M; break;
1263 case MGN_9M: ret = DESC90_RATE9M; break;
1264 case MGN_12M: ret = DESC90_RATE12M; break;
1265 case MGN_18M: ret = DESC90_RATE18M; break;
1266 case MGN_24M: ret = DESC90_RATE24M; break;
1267 case MGN_36M: ret = DESC90_RATE36M; break;
1268 case MGN_48M: ret = DESC90_RATE48M; break;
1269 case MGN_54M: ret = DESC90_RATE54M; break;
1270
1271 // HT rate since here
1272 case MGN_MCS0: ret = DESC90_RATEMCS0; break;
1273 case MGN_MCS1: ret = DESC90_RATEMCS1; break;
1274 case MGN_MCS2: ret = DESC90_RATEMCS2; break;
1275 case MGN_MCS3: ret = DESC90_RATEMCS3; break;
1276 case MGN_MCS4: ret = DESC90_RATEMCS4; break;
1277 case MGN_MCS5: ret = DESC90_RATEMCS5; break;
1278 case MGN_MCS6: ret = DESC90_RATEMCS6; break;
1279 case MGN_MCS7: ret = DESC90_RATEMCS7; break;
1280 case MGN_MCS8: ret = DESC90_RATEMCS8; break;
1281 case MGN_MCS9: ret = DESC90_RATEMCS9; break;
1282 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1283 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1284 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1285 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1286 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1287 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1288 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1289
1290 default: break;
1291 }
1292 return ret;
1293 }
1294
1295
1296 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1297 {
1298 u8 tmp_Short;
1299
1300 tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1301
1302 if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1303 tmp_Short = 0;
1304
1305 return tmp_Short;
1306 }
1307
1308 /*
1309 * The tx procedure is just as following,
1310 * skb->cb will contain all the following information,
1311 * priority, morefrag, rate, &dev.
1312 */
1313 short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
1314 {
1315 struct r8192_priv *priv = ieee80211_priv(dev);
1316 struct rtl8192_tx_ring *ring;
1317 unsigned long flags;
1318 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1319 tx_desc_819x_pci *pdesc = NULL;
1320 TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1321 dma_addr_t mapping;
1322 bool multi_addr = false, broad_addr = false, uni_addr = false;
1323 u8 *pda_addr = NULL;
1324 int idx;
1325
1326 if (priv->bdisable_nic) {
1327 RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1328 skb->len, tcb_desc->queue_index);
1329 return skb->len;
1330 }
1331
1332 #ifdef ENABLE_LPS
1333 priv->ieee80211->bAwakePktSent = true;
1334 #endif
1335
1336 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1337
1338 /* collect the tx packets statitcs */
1339 pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
1340 if (is_multicast_ether_addr(pda_addr))
1341 multi_addr = true;
1342 else if (is_broadcast_ether_addr(pda_addr))
1343 broad_addr = true;
1344 else
1345 uni_addr = true;
1346
1347 if (uni_addr)
1348 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1349
1350 /* fill tx firmware */
1351 pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1352 memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
1353 pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1354 pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1355 pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1356 pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1357
1358 /* Aggregation related */
1359 if (tcb_desc->bAMPDUEnable) {
1360 pTxFwInfo->AllowAggregation = 1;
1361 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1362 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1363 } else {
1364 pTxFwInfo->AllowAggregation = 0;
1365 pTxFwInfo->RxMF = 0;
1366 pTxFwInfo->RxAMD = 0;
1367 }
1368
1369 /* Protection mode related */
1370 pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1371 pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1372 pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1373 pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1374 pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1375 pTxFwInfo->RtsBandwidth = 0;
1376 pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1377 pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);
1378
1379 /* Set Bandwidth and sub-channel settings. */
1380 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1381 if (tcb_desc->bPacketBW) {
1382 pTxFwInfo->TxBandwidth = 1;
1383 #ifdef RTL8190P
1384 pTxFwInfo->TxSubCarrier = 3;
1385 #else
1386 /* use duplicated mode */
1387 pTxFwInfo->TxSubCarrier = 0;
1388 #endif
1389 } else {
1390 pTxFwInfo->TxBandwidth = 0;
1391 pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1392 }
1393 } else {
1394 pTxFwInfo->TxBandwidth = 0;
1395 pTxFwInfo->TxSubCarrier = 0;
1396 }
1397
1398 spin_lock_irqsave(&priv->irq_th_lock, flags);
1399 ring = &priv->tx_ring[tcb_desc->queue_index];
1400 if (tcb_desc->queue_index != BEACON_QUEUE)
1401 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1402 else
1403 idx = 0;
1404
1405 pdesc = &ring->desc[idx];
1406 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1407 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x",
1408 tcb_desc->queue_index, ring->idx, idx, skb->len);
1409 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1410 return skb->len;
1411 }
1412
1413 /* fill tx descriptor */
1414 memset(pdesc, 0, 12);
1415
1416 /*DWORD 0*/
1417 pdesc->LINIP = 0;
1418 pdesc->CmdInit = 1;
1419 pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
1420 pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1421
1422 /*DWORD 1*/
1423 pdesc->SecCAMID = 0;
1424 pdesc->RATid = tcb_desc->RATRIndex;
1425
1426 pdesc->NoEnc = 1;
1427 pdesc->SecType = 0x0;
1428 if (tcb_desc->bHwSec) {
1429 switch (priv->ieee80211->pairwise_key_type) {
1430 case KEY_TYPE_WEP40:
1431 case KEY_TYPE_WEP104:
1432 pdesc->SecType = 0x1;
1433 pdesc->NoEnc = 0;
1434 break;
1435 case KEY_TYPE_TKIP:
1436 pdesc->SecType = 0x2;
1437 pdesc->NoEnc = 0;
1438 break;
1439 case KEY_TYPE_CCMP:
1440 pdesc->SecType = 0x3;
1441 pdesc->NoEnc = 0;
1442 break;
1443 case KEY_TYPE_NA:
1444 pdesc->SecType = 0x0;
1445 pdesc->NoEnc = 1;
1446 break;
1447 }
1448 }
1449
1450 /* Set Packet ID */
1451 pdesc->PktId = 0x0;
1452
1453 pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1454 pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1455
1456 pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1457 pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1458
1459 pdesc->FirstSeg = 1;
1460 pdesc->LastSeg = 1;
1461 pdesc->TxBufferSize = skb->len;
1462
1463 pdesc->TxBuffAddr = cpu_to_le32(mapping);
1464 __skb_queue_tail(&ring->queue, skb);
1465 pdesc->OWN = 1;
1466 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1467 dev->trans_start = jiffies;
1468 write_nic_word(dev, TPPoll, 0x01<<tcb_desc->queue_index);
1469 return 0;
1470 }
1471
1472 static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
1473 {
1474 struct r8192_priv *priv = ieee80211_priv(dev);
1475 rx_desc_819x_pci *entry = NULL;
1476 int i;
1477
1478 priv->rx_ring = pci_alloc_consistent(priv->pdev,
1479 sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1480
1481 if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1482 RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1483 return -ENOMEM;
1484 }
1485
1486 memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1487 priv->rx_idx = 0;
1488
1489 for (i = 0; i < priv->rxringcount; i++) {
1490 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1491 dma_addr_t *mapping;
1492 entry = &priv->rx_ring[i];
1493 if (!skb)
1494 return 0;
1495 priv->rx_buf[i] = skb;
1496 mapping = (dma_addr_t *)skb->cb;
1497 *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
1498 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1499
1500 entry->BufferAddress = cpu_to_le32(*mapping);
1501
1502 entry->Length = priv->rxbuffersize;
1503 entry->OWN = 1;
1504 }
1505
1506 entry->EOR = 1;
1507 return 0;
1508 }
1509
1510 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
1511 unsigned int prio, unsigned int entries)
1512 {
1513 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1514 tx_desc_819x_pci *ring;
1515 dma_addr_t dma;
1516 int i;
1517
1518 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1519 if (!ring || (unsigned long)ring & 0xFF) {
1520 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1521 return -ENOMEM;
1522 }
1523
1524 memset(ring, 0, sizeof(*ring)*entries);
1525 priv->tx_ring[prio].desc = ring;
1526 priv->tx_ring[prio].dma = dma;
1527 priv->tx_ring[prio].idx = 0;
1528 priv->tx_ring[prio].entries = entries;
1529 skb_queue_head_init(&priv->tx_ring[prio].queue);
1530
1531 for (i = 0; i < entries; i++)
1532 ring[i].NextDescAddress =
1533 cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1534
1535 return 0;
1536 }
1537
1538 static short rtl8192_pci_initdescring(struct net_device *dev)
1539 {
1540 u32 ret;
1541 int i;
1542 struct r8192_priv *priv = ieee80211_priv(dev);
1543
1544 ret = rtl8192_alloc_rx_desc_ring(dev);
1545 if (ret)
1546 return ret;
1547
1548 /* general process for other queue */
1549 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1550 ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
1551 if (ret)
1552 goto err_free_rings;
1553 }
1554
1555 return 0;
1556
1557 err_free_rings:
1558 rtl8192_free_rx_ring(dev);
1559 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1560 if (priv->tx_ring[i].desc)
1561 rtl8192_free_tx_ring(dev, i);
1562 return 1;
1563 }
1564
1565 static void rtl8192_pci_resetdescring(struct net_device *dev)
1566 {
1567 struct r8192_priv *priv = ieee80211_priv(dev);
1568 int i;
1569
1570 /* force the rx_idx to the first one */
1571 if(priv->rx_ring) {
1572 rx_desc_819x_pci *entry = NULL;
1573 for (i = 0; i < priv->rxringcount; i++) {
1574 entry = &priv->rx_ring[i];
1575 entry->OWN = 1;
1576 }
1577 priv->rx_idx = 0;
1578 }
1579
1580 /* after reset, release previous pending packet, and force the
1581 * tx idx to the first one */
1582 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1583 if (priv->tx_ring[i].desc) {
1584 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1585
1586 while (skb_queue_len(&ring->queue)) {
1587 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1588 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1589
1590 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1591 skb->len, PCI_DMA_TODEVICE);
1592 kfree_skb(skb);
1593 ring->idx = (ring->idx + 1) % ring->entries;
1594 }
1595 ring->idx = 0;
1596 }
1597 }
1598 }
1599
1600 static void rtl8192_link_change(struct net_device *dev)
1601 {
1602 struct r8192_priv *priv = ieee80211_priv(dev);
1603 struct ieee80211_device* ieee = priv->ieee80211;
1604 //write_nic_word(dev, BCN_INTR_ITV, net->beacon_interval);
1605 if (ieee->state == IEEE80211_LINKED)
1606 {
1607 rtl8192_net_update(dev);
1608 rtl8192_update_ratr_table(dev);
1609
1610 //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
1611 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1612 EnableHWSecurityConfig8192(dev);
1613 }
1614 else
1615 {
1616 write_nic_byte(dev, 0x173, 0);
1617 }
1618 /*update timing params*/
1619 //rtl8192_set_chan(dev, priv->chan);
1620 //MSR
1621 rtl8192_update_msr(dev);
1622
1623 // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1624 // // To set CBSSID bit when link with any AP or STA.
1625 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1626 {
1627 u32 reg = 0;
1628 reg = read_nic_dword(dev, RCR);
1629 if (priv->ieee80211->state == IEEE80211_LINKED)
1630 priv->ReceiveConfig = reg |= RCR_CBSSID;
1631 else
1632 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1633 write_nic_dword(dev, RCR, reg);
1634 }
1635 }
1636
1637
1638 static const struct ieee80211_qos_parameters def_qos_parameters = {
1639 {3,3,3,3},/* cw_min */
1640 {7,7,7,7},/* cw_max */
1641 {2,2,2,2},/* aifs */
1642 {0,0,0,0},/* flags */
1643 {0,0,0,0} /* tx_op_limit */
1644 };
1645
1646 static void rtl8192_update_beacon(struct work_struct * work)
1647 {
1648 struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1649 struct net_device *dev = priv->ieee80211->dev;
1650 struct ieee80211_device* ieee = priv->ieee80211;
1651 struct ieee80211_network* net = &ieee->current_network;
1652
1653 if (ieee->pHTInfo->bCurrentHTSupport)
1654 HTUpdateSelfAndPeerSetting(ieee, net);
1655 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1656 rtl8192_update_cap(dev, net->capability);
1657 }
1658
1659 /*
1660 * background support to run QoS activate functionality
1661 */
1662 static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1663 static void rtl8192_qos_activate(struct work_struct * work)
1664 {
1665 struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1666 struct net_device *dev = priv->ieee80211->dev;
1667 struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1668 u8 mode = priv->ieee80211->current_network.mode;
1669 u8 u1bAIFS;
1670 u32 u4bAcParam;
1671 int i;
1672
1673 mutex_lock(&priv->mutex);
1674 if(priv->ieee80211->state != IEEE80211_LINKED)
1675 goto success;
1676 RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
1677 /* It better set slot time at first */
1678 /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1679 /* update the ac parameter to related registers */
1680 for(i = 0; i < QOS_QUEUE_NUM; i++) {
1681 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1682 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
1683 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
1684 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
1685 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
1686 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
1687 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
1688 //write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
1689 }
1690
1691 success:
1692 mutex_unlock(&priv->mutex);
1693 }
1694
1695 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1696 int active_network,
1697 struct ieee80211_network *network)
1698 {
1699 int ret = 0;
1700 u32 size = sizeof(struct ieee80211_qos_parameters);
1701
1702 if(priv->ieee80211->state !=IEEE80211_LINKED)
1703 return ret;
1704
1705 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1706 return ret;
1707
1708 if (network->flags & NETWORK_HAS_QOS_MASK) {
1709 if (active_network &&
1710 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1711 network->qos_data.active = network->qos_data.supported;
1712
1713 if ((network->qos_data.active == 1) && (active_network == 1) &&
1714 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1715 (network->qos_data.old_param_count !=
1716 network->qos_data.param_count)) {
1717 network->qos_data.old_param_count =
1718 network->qos_data.param_count;
1719 queue_work(priv->priv_wq, &priv->qos_activate);
1720 RT_TRACE (COMP_QOS, "QoS parameters change call "
1721 "qos_activate\n");
1722 }
1723 } else {
1724 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1725 &def_qos_parameters, size);
1726
1727 if ((network->qos_data.active == 1) && (active_network == 1)) {
1728 queue_work(priv->priv_wq, &priv->qos_activate);
1729 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
1730 }
1731 network->qos_data.active = 0;
1732 network->qos_data.supported = 0;
1733 }
1734
1735 return 0;
1736 }
1737
1738 /* handle manage frame frame beacon and probe response */
1739 static int rtl8192_handle_beacon(struct net_device * dev,
1740 struct ieee80211_beacon * beacon,
1741 struct ieee80211_network * network)
1742 {
1743 struct r8192_priv *priv = ieee80211_priv(dev);
1744
1745 rtl8192_qos_handle_probe_response(priv,1,network);
1746
1747 queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1748 return 0;
1749
1750 }
1751
1752 /*
1753 * handling the beaconing responses. if we get different QoS setting
1754 * off the network from the associated setting, adjust the QoS setting
1755 */
1756 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1757 struct ieee80211_network *network)
1758 {
1759 int ret = 0;
1760 unsigned long flags;
1761 u32 size = sizeof(struct ieee80211_qos_parameters);
1762 int set_qos_param = 0;
1763
1764 if ((priv == NULL) || (network == NULL))
1765 return ret;
1766
1767 if (priv->ieee80211->state != IEEE80211_LINKED)
1768 return ret;
1769
1770 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1771 return ret;
1772
1773 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1774 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1775 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1776 &network->qos_data.parameters,
1777 sizeof(struct ieee80211_qos_parameters));
1778 priv->ieee80211->current_network.qos_data.active = 1;
1779 set_qos_param = 1;
1780 /* update qos parameter for current network */
1781 priv->ieee80211->current_network.qos_data.old_param_count =
1782 priv->ieee80211->current_network.qos_data.param_count;
1783 priv->ieee80211->current_network.qos_data.param_count =
1784 network->qos_data.param_count;
1785
1786 } else {
1787 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1788 &def_qos_parameters, size);
1789 priv->ieee80211->current_network.qos_data.active = 0;
1790 priv->ieee80211->current_network.qos_data.supported = 0;
1791 set_qos_param = 1;
1792 }
1793
1794 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1795
1796 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__,
1797 network->flags, priv->ieee80211->current_network.qos_data.active);
1798 if (set_qos_param == 1)
1799 queue_work(priv->priv_wq, &priv->qos_activate);
1800
1801 return ret;
1802 }
1803
1804
1805 static int rtl8192_handle_assoc_response(struct net_device *dev,
1806 struct ieee80211_assoc_response_frame *resp,
1807 struct ieee80211_network *network)
1808 {
1809 struct r8192_priv *priv = ieee80211_priv(dev);
1810 rtl8192_qos_association_resp(priv, network);
1811 return 0;
1812 }
1813
1814
1815 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1816 static void rtl8192_update_ratr_table(struct net_device* dev)
1817 {
1818 struct r8192_priv* priv = ieee80211_priv(dev);
1819 struct ieee80211_device* ieee = priv->ieee80211;
1820 u8* pMcsRate = ieee->dot11HTOperationalRateSet;
1821 u32 ratr_value = 0;
1822 u8 rate_index = 0;
1823
1824 rtl8192_config_rate(dev, (u16*)(&ratr_value));
1825 ratr_value |= (*(u16*)(pMcsRate)) << 12;
1826
1827 switch (ieee->mode)
1828 {
1829 case IEEE_A:
1830 ratr_value &= 0x00000FF0;
1831 break;
1832 case IEEE_B:
1833 ratr_value &= 0x0000000F;
1834 break;
1835 case IEEE_G:
1836 ratr_value &= 0x00000FF7;
1837 break;
1838 case IEEE_N_24G:
1839 case IEEE_N_5G:
1840 if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
1841 ratr_value &= 0x0007F007;
1842 else{
1843 if (priv->rf_type == RF_1T2R)
1844 ratr_value &= 0x000FF007;
1845 else
1846 ratr_value &= 0x0F81F007;
1847 }
1848 break;
1849 default:
1850 break;
1851 }
1852 ratr_value &= 0x0FFFFFFF;
1853 if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
1854 ratr_value |= 0x80000000;
1855 }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
1856 ratr_value |= 0x80000000;
1857 }
1858 write_nic_dword(dev, RATR0+rate_index*4, ratr_value);
1859 write_nic_byte(dev, UFWP, 1);
1860 }
1861
1862 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
1863 {
1864 struct r8192_priv *priv = ieee80211_priv(dev);
1865 struct ieee80211_device *ieee = priv->ieee80211;
1866
1867 return !(ieee->rtllib_ap_sec_type &&
1868 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP)));
1869 }
1870
1871 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
1872 {
1873 struct ieee80211_device* ieee = priv->ieee80211;
1874 //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1875 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
1876 {
1877 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
1878 }
1879 else
1880 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
1881 }
1882
1883 static u8 rtl8192_getSupportedWireleeMode(struct net_device*dev)
1884 {
1885 struct r8192_priv *priv = ieee80211_priv(dev);
1886 u8 ret = 0;
1887 switch(priv->rf_chip)
1888 {
1889 case RF_8225:
1890 case RF_8256:
1891 case RF_PSEUDO_11N:
1892 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
1893 break;
1894 case RF_8258:
1895 ret = (WIRELESS_MODE_A|WIRELESS_MODE_N_5G);
1896 break;
1897 default:
1898 ret = WIRELESS_MODE_B;
1899 break;
1900 }
1901 return ret;
1902 }
1903
1904 static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
1905 {
1906 struct r8192_priv *priv = ieee80211_priv(dev);
1907 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
1908
1909 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
1910 {
1911 if(bSupportMode & WIRELESS_MODE_N_24G)
1912 {
1913 wireless_mode = WIRELESS_MODE_N_24G;
1914 }
1915 else if(bSupportMode & WIRELESS_MODE_N_5G)
1916 {
1917 wireless_mode = WIRELESS_MODE_N_5G;
1918 }
1919 else if((bSupportMode & WIRELESS_MODE_A))
1920 {
1921 wireless_mode = WIRELESS_MODE_A;
1922 }
1923 else if((bSupportMode & WIRELESS_MODE_G))
1924 {
1925 wireless_mode = WIRELESS_MODE_G;
1926 }
1927 else if((bSupportMode & WIRELESS_MODE_B))
1928 {
1929 wireless_mode = WIRELESS_MODE_B;
1930 }
1931 else{
1932 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
1933 wireless_mode = WIRELESS_MODE_B;
1934 }
1935 }
1936 priv->ieee80211->mode = wireless_mode;
1937
1938 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
1939 priv->ieee80211->pHTInfo->bEnableHT = 1;
1940 else
1941 priv->ieee80211->pHTInfo->bEnableHT = 0;
1942 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1943 rtl8192_refresh_supportrate(priv);
1944 }
1945
1946 static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
1947 {
1948 struct r8192_priv* priv = ieee80211_priv(dev);
1949 struct ieee80211_device* ieee = priv->ieee80211;
1950
1951 return ieee->bHalfWirelessN24GMode;
1952 }
1953
1954 short rtl8192_is_tx_queue_empty(struct net_device *dev)
1955 {
1956 int i=0;
1957 struct r8192_priv *priv = ieee80211_priv(dev);
1958 for (i=0; i<=MGNT_QUEUE; i++)
1959 {
1960 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1961 continue;
1962 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1963 printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1964 return 0;
1965 }
1966 }
1967 return 1;
1968 }
1969
1970 static void rtl8192_hw_sleep_down(struct net_device *dev)
1971 {
1972 struct r8192_priv *priv = ieee80211_priv(dev);
1973 unsigned long flags = 0;
1974
1975 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1976 if (priv->RFChangeInProgress) {
1977 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1978 RT_TRACE(COMP_RF, "rtl8192_hw_sleep_down(): RF Change in progress! \n");
1979 printk("rtl8192_hw_sleep_down(): RF Change in progress!\n");
1980 return;
1981 }
1982 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1983
1984 MgntActSet_RF_State(dev, eRfSleep, RF_CHANGE_BY_PS);
1985 }
1986
1987 static void rtl8192_hw_sleep_wq (struct work_struct *work)
1988 {
1989 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
1990 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq);
1991 struct net_device *dev = ieee->dev;
1992
1993 rtl8192_hw_sleep_down(dev);
1994 }
1995
1996 static void rtl8192_hw_wakeup(struct net_device* dev)
1997 {
1998 struct r8192_priv *priv = ieee80211_priv(dev);
1999 unsigned long flags = 0;
2000
2001 spin_lock_irqsave(&priv->rf_ps_lock,flags);
2002 if (priv->RFChangeInProgress) {
2003 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
2004 RT_TRACE(COMP_RF, "rtl8192_hw_wakeup(): RF Change in progress! \n");
2005 printk("rtl8192_hw_wakeup(): RF Change in progress! schedule wake up task again\n");
2006 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
2007 return;
2008 }
2009 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
2010
2011 MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_PS);
2012 }
2013
2014 void rtl8192_hw_wakeup_wq (struct work_struct *work)
2015 {
2016 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
2017 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
2018 struct net_device *dev = ieee->dev;
2019 rtl8192_hw_wakeup(dev);
2020
2021 }
2022
2023 #define MIN_SLEEP_TIME 50
2024 #define MAX_SLEEP_TIME 10000
2025 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
2026 {
2027 struct r8192_priv *priv = ieee80211_priv(dev);
2028
2029 u32 rb = jiffies;
2030 unsigned long flags;
2031
2032 spin_lock_irqsave(&priv->ps_lock,flags);
2033
2034 // Writing HW register with 0 equals to disable
2035 // the timer, that is not really what we want
2036 //
2037 tl -= MSECS(8+16+7);
2038
2039 // If the interval in witch we are requested to sleep is too
2040 // short then give up and remain awake
2041 // when we sleep after send null frame, the timer will be too short to sleep.
2042 //
2043 if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
2044 ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
2045 spin_unlock_irqrestore(&priv->ps_lock,flags);
2046 printk("too short to sleep::%x, %x, %lx\n",tl, rb, MSECS(MIN_SLEEP_TIME));
2047 return;
2048 }
2049
2050 if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
2051 ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
2052 ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
2053 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME));
2054 spin_unlock_irqrestore(&priv->ps_lock,flags);
2055 return;
2056 }
2057 {
2058 u32 tmp = (tl>rb)?(tl-rb):(rb-tl);
2059 queue_delayed_work(priv->ieee80211->wq,
2060 &priv->ieee80211->hw_wakeup_wq,tmp);
2061 //PowerSave not supported when kernel version less 2.6.20
2062 }
2063 queue_delayed_work(priv->ieee80211->wq,
2064 (void *)&priv->ieee80211->hw_sleep_wq,0);
2065 spin_unlock_irqrestore(&priv->ps_lock,flags);
2066
2067 }
2068
2069 static void rtl8192_init_priv_variable(struct net_device* dev)
2070 {
2071 struct r8192_priv *priv = ieee80211_priv(dev);
2072 u8 i;
2073 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
2074
2075 // Default Halt the NIC if RF is OFF.
2076 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
2077 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
2078 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
2079 pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
2080 pPSC->bLeisurePs = true;
2081 pPSC->RegMaxLPSAwakeIntvl = 5;
2082 priv->bHwRadioOff = false;
2083
2084 priv->being_init_adapter = false;
2085 priv->txringcount = 64;//32;
2086 priv->rxbuffersize = 9100;//2048;//1024;
2087 priv->rxringcount = MAX_RX_COUNT;//64;
2088 priv->irq_enabled=0;
2089 priv->rx_skb_complete = 1;
2090 priv->chan = 1; //set to channel 1
2091 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
2092 priv->RegChannelPlan = 0xf;
2093 priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
2094 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2095 priv->ieee80211->ieee_up=0;
2096 priv->retry_rts = DEFAULT_RETRY_RTS;
2097 priv->retry_data = DEFAULT_RETRY_DATA;
2098 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2099 priv->ieee80211->rate = 110; //11 mbps
2100 priv->ieee80211->short_slot = 1;
2101 priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0;
2102 priv->bcck_in_ch14 = false;
2103 priv->CCKPresentAttentuation = 0;
2104 priv->rfa_txpowertrackingindex = 0;
2105 priv->rfc_txpowertrackingindex = 0;
2106 priv->CckPwEnl = 6;
2107 //added by amy for silent reset
2108 priv->ResetProgress = RESET_TYPE_NORESET;
2109 priv->bForcedSilentReset = 0;
2110 priv->bDisableNormalResetCheck = false;
2111 priv->force_reset = false;
2112 //added by amy for power save
2113 priv->ieee80211->RfOffReason = 0;
2114 priv->RFChangeInProgress = false;
2115 priv->bHwRfOffAction = 0;
2116 priv->SetRFPowerStateInProgress = false;
2117 priv->ieee80211->PowerSaveControl.bInactivePs = true;
2118 priv->ieee80211->PowerSaveControl.bIPSModeBackup = false;
2119
2120 priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
2121 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2122 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2123 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2124 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
2125 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE;
2126
2127 priv->ieee80211->active_scan = 1;
2128 priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2129 priv->ieee80211->host_encrypt = 1;
2130 priv->ieee80211->host_decrypt = 1;
2131 //priv->ieee80211->start_send_beacons = NULL;//rtl819xusb_beacon_tx;//-by amy 080604
2132 //priv->ieee80211->stop_send_beacons = NULL;//rtl8192_beacon_stop;//-by amy 080604
2133 priv->ieee80211->start_send_beacons = rtl8192_start_beacon;//+by david 081107
2134 priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;//+by david 081107
2135 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2136 priv->ieee80211->set_chan = rtl8192_set_chan;
2137 priv->ieee80211->link_change = rtl8192_link_change;
2138 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2139 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2140 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2141 priv->ieee80211->init_wmmparam_flag = 0;
2142 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2143 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2144 priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
2145 priv->ieee80211->qos_support = 1;
2146 priv->ieee80211->dot11PowerSaveMode = 0;
2147 //added by WB
2148 // priv->ieee80211->SwChnlByTimerHandler = rtl8192_phy_SwChnl;
2149 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2150 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2151 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2152
2153 priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
2154 // priv->ieee80211->ps_request_tx_ack = rtl8192_rq_tx_ack;
2155 priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
2156 priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
2157 //added by david
2158 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
2159 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2160 priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
2161
2162 //added by amy
2163 priv->ieee80211->InitialGainHandler = InitialGain819xPci;
2164
2165 #ifdef ENABLE_IPS
2166 priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
2167 priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
2168 #endif
2169 #ifdef ENABLE_LPS
2170 priv->ieee80211->LeisurePSLeave = LeisurePSLeave;
2171 #endif
2172
2173 priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
2174 priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
2175
2176 priv->ShortRetryLimit = 0x30;
2177 priv->LongRetryLimit = 0x30;
2178
2179 priv->ReceiveConfig = RCR_ADD3 |
2180 RCR_AMF | RCR_ADF | //accept management/data
2181 RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
2182 RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
2183 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
2184 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
2185
2186 priv->irq_mask = (u32)(IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |
2187 IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |
2188 IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |
2189 IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER);
2190
2191 priv->pFirmware = vzalloc(sizeof(rt_firmware));
2192
2193 /* rx related queue */
2194 skb_queue_head_init(&priv->skb_queue);
2195
2196 /* Tx related queue */
2197 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
2198 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
2199 }
2200 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
2201 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
2202 }
2203 priv->rf_set_chan = rtl8192_phy_SwChnl;
2204 }
2205
2206 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
2207 {
2208 spin_lock_init(&priv->tx_lock);
2209 spin_lock_init(&priv->irq_th_lock);
2210 spin_lock_init(&priv->rf_ps_lock);
2211 spin_lock_init(&priv->ps_lock);
2212 sema_init(&priv->wx_sem,1);
2213 sema_init(&priv->rf_sem,1);
2214 mutex_init(&priv->mutex);
2215 }
2216
2217 /* init tasklet and wait_queue here */
2218 #define DRV_NAME "wlan0"
2219 static void rtl8192_init_priv_task(struct net_device* dev)
2220 {
2221 struct r8192_priv *priv = ieee80211_priv(dev);
2222
2223 priv->priv_wq = create_workqueue(DRV_NAME);
2224
2225 #ifdef ENABLE_IPS
2226 INIT_WORK(&priv->ieee80211->ips_leave_wq, (void*)IPSLeave_wq);
2227 #endif
2228
2229 // INIT_WORK(&priv->reset_wq, (void(*)(void*)) rtl8192_restart);
2230 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2231 // INIT_DELAYED_WORK(&priv->watch_dog_wq, hal_dm_watchdog);
2232 INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2233 INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
2234 INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
2235 INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2236 //INIT_WORK(&priv->SwChnlWorkItem, rtl8192_SwChnl_WorkItem);
2237 //INIT_WORK(&priv->SetBWModeWorkItem, rtl8192_SetBWModeWorkItem);
2238 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2239 INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq,(void*) rtl8192_hw_wakeup_wq);
2240 INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq,(void*) rtl8192_hw_sleep_wq);
2241
2242 tasklet_init(&priv->irq_rx_tasklet,
2243 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2244 (unsigned long)priv);
2245 tasklet_init(&priv->irq_tx_tasklet,
2246 (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
2247 (unsigned long)priv);
2248 tasklet_init(&priv->irq_prepare_beacon_tasklet,
2249 (void(*)(unsigned long))rtl8192_prepare_beacon,
2250 (unsigned long)priv);
2251 }
2252
2253 static void rtl8192_get_eeprom_size(struct net_device* dev)
2254 {
2255 u16 curCR = 0;
2256 struct r8192_priv *priv = ieee80211_priv(dev);
2257 RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2258 curCR = read_nic_dword(dev, EPROM_CMD);
2259 RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2260 //whether need I consider BIT5?
2261 priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2262 RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2263 }
2264
2265 /*
2266 * Adapter->EEPROMAddressSize should be set before this function call.
2267 * EEPROM address size can be got through GetEEPROMSize8185()
2268 */
2269 static void rtl8192_read_eeprom_info(struct net_device* dev)
2270 {
2271 struct r8192_priv *priv = ieee80211_priv(dev);
2272
2273 u8 tempval;
2274 #ifdef RTL8192E
2275 u8 ICVer8192, ICVer8256;
2276 #endif
2277 u16 i,usValue, IC_Version;
2278 u16 EEPROMId;
2279 #ifdef RTL8190P
2280 u8 offset;
2281 u8 EepromTxPower[100];
2282 #endif
2283 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2284 RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2285
2286
2287 // TODO: I don't know if we need to apply EF function to EEPROM read function
2288
2289 //2 Read EEPROM ID to make sure autoload is success
2290 EEPROMId = eprom_read(dev, 0);
2291 if( EEPROMId != RTL8190_EEPROM_ID )
2292 {
2293 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2294 priv->AutoloadFailFlag=true;
2295 }
2296 else
2297 {
2298 priv->AutoloadFailFlag=false;
2299 }
2300
2301 //
2302 // Assign Chip Version ID
2303 //
2304 // Read IC Version && Channel Plan
2305 if(!priv->AutoloadFailFlag)
2306 {
2307 // VID, PID
2308 priv->eeprom_vid = eprom_read(dev, (EEPROM_VID >> 1));
2309 priv->eeprom_did = eprom_read(dev, (EEPROM_DID >> 1));
2310
2311 usValue = eprom_read(dev, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2312 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2313 usValue = eprom_read(dev, (EEPROM_ICVersion_ChannelPlan>>1));
2314 priv->eeprom_ChannelPlan = usValue&0xff;
2315 IC_Version = ((usValue&0xff00)>>8);
2316
2317 #ifdef RTL8190P
2318 priv->card_8192_version = (VERSION_8190)(IC_Version);
2319 #else
2320 #ifdef RTL8192E
2321 ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2322 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2323 RT_TRACE(COMP_INIT, "\nICVer8192 = 0x%x\n", ICVer8192);
2324 RT_TRACE(COMP_INIT, "\nICVer8256 = 0x%x\n", ICVer8256);
2325 if(ICVer8192 == 0x2) //B-cut
2326 {
2327 if(ICVer8256 == 0x5) //E-cut
2328 priv->card_8192_version= VERSION_8190_BE;
2329 }
2330 #endif
2331 #endif
2332 switch(priv->card_8192_version)
2333 {
2334 case VERSION_8190_BD:
2335 case VERSION_8190_BE:
2336 break;
2337 default:
2338 priv->card_8192_version = VERSION_8190_BD;
2339 break;
2340 }
2341 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2342 }
2343 else
2344 {
2345 priv->card_8192_version = VERSION_8190_BD;
2346 priv->eeprom_vid = 0;
2347 priv->eeprom_did = 0;
2348 priv->eeprom_CustomerID = 0;
2349 priv->eeprom_ChannelPlan = 0;
2350 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", 0xff);
2351 }
2352
2353 RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2354 RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2355 RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2356
2357 //2 Read Permanent MAC address
2358 if(!priv->AutoloadFailFlag)
2359 {
2360 for(i = 0; i < 6; i += 2)
2361 {
2362 usValue = eprom_read(dev, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2363 *(u16*)(&dev->dev_addr[i]) = usValue;
2364 }
2365 } else {
2366 // when auto load failed, the last address byte set to be a random one.
2367 // added by david woo.2007/11/7
2368 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2369 }
2370
2371 RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
2372
2373 //2 TX Power Check EEPROM Fail or not
2374 if(priv->card_8192_version > VERSION_8190_BD) {
2375 priv->bTXPowerDataReadFromEEPORM = true;
2376 } else {
2377 priv->bTXPowerDataReadFromEEPORM = false;
2378 }
2379
2380 // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2381 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2382
2383 if(priv->card_8192_version > VERSION_8190_BD)
2384 {
2385 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2386 if(!priv->AutoloadFailFlag)
2387 {
2388 tempval = (eprom_read(dev, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2389 priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0]
2390
2391 if (tempval&0x80) //RF-indication, bit[7]
2392 priv->rf_type = RF_1T2R;
2393 else
2394 priv->rf_type = RF_2T4R;
2395 }
2396 else
2397 {
2398 priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2399 }
2400 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2401 priv->EEPROMLegacyHTTxPowerDiff);
2402
2403 // Read ThermalMeter from EEPROM
2404 if(!priv->AutoloadFailFlag)
2405 {
2406 priv->EEPROMThermalMeter = (u8)(((eprom_read(dev, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2407 }
2408 else
2409 {
2410 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2411 }
2412 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2413 //vivi, for tx power track
2414 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2415
2416 if(priv->epromtype == EPROM_93c46)
2417 {
2418 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2419 if(!priv->AutoloadFailFlag)
2420 {
2421 usValue = eprom_read(dev, (EEPROM_TxPwDiff_CrystalCap>>1));
2422 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2423 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2424 }
2425 else
2426 {
2427 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2428 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2429 }
2430 RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2431 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2432
2433 //
2434 // Get per-channel Tx Power Level
2435 //
2436 for(i=0; i<14; i+=2)
2437 {
2438 if(!priv->AutoloadFailFlag)
2439 {
2440 usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2441 }
2442 else
2443 {
2444 usValue = EEPROM_Default_TxPower;
2445 }
2446 *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2447 RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2448 RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2449 }
2450 for(i=0; i<14; i+=2)
2451 {
2452 if(!priv->AutoloadFailFlag)
2453 {
2454 usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2455 }
2456 else
2457 {
2458 usValue = EEPROM_Default_TxPower;
2459 }
2460 *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2461 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2462 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2463 }
2464 }
2465 else if(priv->epromtype== EPROM_93c56)
2466 {
2467 #ifdef RTL8190P
2468 // Read CrystalCap from EEPROM
2469 if(!priv->AutoloadFailFlag)
2470 {
2471 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2472 priv->EEPROMCrystalCap = (u8)(((eprom_read(dev, (EEPROM_C56_CrystalCap>>1))) & 0xf000)>>12);
2473 }
2474 else
2475 {
2476 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2477 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2478 }
2479 RT_TRACE(COMP_INIT,"EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2480 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2481
2482 // Get Tx Power Level by Channel
2483 if(!priv->AutoloadFailFlag)
2484 {
2485 // Read Tx power of Channel 1 ~ 14 from EEPROM.
2486 for(i = 0; i < 12; i+=2)
2487 {
2488 if (i <6)
2489 offset = EEPROM_C56_RfA_CCK_Chnl1_TxPwIndex + i;
2490 else
2491 offset = EEPROM_C56_RfC_CCK_Chnl1_TxPwIndex + i - 6;
2492 usValue = eprom_read(dev, (offset>>1));
2493 *((u16*)(&EepromTxPower[i])) = usValue;
2494 }
2495
2496 for(i = 0; i < 12; i++)
2497 {
2498 if (i <= 2)
2499 priv->EEPROMRfACCKChnl1TxPwLevel[i] = EepromTxPower[i];
2500 else if ((i >=3 )&&(i <= 5))
2501 priv->EEPROMRfAOfdmChnlTxPwLevel[i-3] = EepromTxPower[i];
2502 else if ((i >=6 )&&(i <= 8))
2503 priv->EEPROMRfCCCKChnl1TxPwLevel[i-6] = EepromTxPower[i];
2504 else
2505 priv->EEPROMRfCOfdmChnlTxPwLevel[i-9] = EepromTxPower[i];
2506 }
2507 }
2508 else
2509 {
2510 priv->EEPROMRfACCKChnl1TxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2511 priv->EEPROMRfACCKChnl1TxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2512 priv->EEPROMRfACCKChnl1TxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2513
2514 priv->EEPROMRfAOfdmChnlTxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2515 priv->EEPROMRfAOfdmChnlTxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2516 priv->EEPROMRfAOfdmChnlTxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2517
2518 priv->EEPROMRfCCCKChnl1TxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2519 priv->EEPROMRfCCCKChnl1TxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2520 priv->EEPROMRfCCCKChnl1TxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2521
2522 priv->EEPROMRfCOfdmChnlTxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2523 priv->EEPROMRfCOfdmChnlTxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2524 priv->EEPROMRfCOfdmChnlTxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2525 }
2526 RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[0] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[0]);
2527 RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[1] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[1]);
2528 RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[2] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[2]);
2529 RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[0] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[0]);
2530 RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[1] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[1]);
2531 RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[2] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[2]);
2532 RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[0] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[0]);
2533 RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[1] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[1]);
2534 RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[2] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[2]);
2535 RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[0] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[0]);
2536 RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[1] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[1]);
2537 RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[2] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[2]);
2538 #endif
2539
2540 }
2541 //
2542 // Update HAL variables.
2543 //
2544 if(priv->epromtype == EPROM_93c46)
2545 {
2546 for(i=0; i<14; i++)
2547 {
2548 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2549 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
2550 }
2551 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2552 // Antenna B gain offset to antenna A, bit0~3
2553 priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
2554 // Antenna C gain offset to antenna A, bit4~7
2555 priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
2556 // Antenna D gain offset to antenna A, bit8~11
2557 priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
2558 // CrystalCap, bit12~15
2559 priv->CrystalCap = priv->EEPROMCrystalCap;
2560 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2561 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2562 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2563 }
2564 else if(priv->epromtype == EPROM_93c56)
2565 {
2566 //char cck_pwr_diff_a=0, cck_pwr_diff_c=0;
2567
2568 //cck_pwr_diff_a = pHalData->EEPROMRfACCKChnl7TxPwLevel - pHalData->EEPROMRfAOfdmChnlTxPwLevel[1];
2569 //cck_pwr_diff_c = pHalData->EEPROMRfCCCKChnl7TxPwLevel - pHalData->EEPROMRfCOfdmChnlTxPwLevel[1];
2570 for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level.
2571 {
2572 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0];
2573 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
2574 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0];
2575 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
2576 }
2577 for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level
2578 {
2579 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1];
2580 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
2581 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1];
2582 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
2583 }
2584 for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level
2585 {
2586 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2];
2587 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
2588 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2];
2589 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
2590 }
2591 for(i=0; i<14; i++)
2592 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
2593 for(i=0; i<14; i++)
2594 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
2595 for(i=0; i<14; i++)
2596 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
2597 for(i=0; i<14; i++)
2598 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
2599 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2600 priv->AntennaTxPwDiff[0] = 0;
2601 priv->AntennaTxPwDiff[1] = 0;
2602 priv->AntennaTxPwDiff[2] = 0;
2603 priv->CrystalCap = priv->EEPROMCrystalCap;
2604 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2605 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2606 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2607 }
2608 }
2609
2610 if(priv->rf_type == RF_1T2R)
2611 {
2612 RT_TRACE(COMP_INIT, "\n1T2R config\n");
2613 }
2614 else if (priv->rf_type == RF_2T4R)
2615 {
2616 RT_TRACE(COMP_INIT, "\n2T4R config\n");
2617 }
2618
2619 // 2008/01/16 MH We can only know RF type in the function. So we have to init
2620 // DIG RATR table again.
2621 init_rate_adaptive(dev);
2622
2623 //1 Make a copy for following variables and we can change them if we want
2624
2625 priv->rf_chip= RF_8256;
2626
2627 if(priv->RegChannelPlan == 0xf)
2628 {
2629 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2630 }
2631 else
2632 {
2633 priv->ChannelPlan = priv->RegChannelPlan;
2634 }
2635
2636 //
2637 // Used PID and DID to Set CustomerID
2638 //
2639 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 )
2640 {
2641 priv->CustomerID = RT_CID_DLINK;
2642 }
2643
2644 switch(priv->eeprom_CustomerID)
2645 {
2646 case EEPROM_CID_DEFAULT:
2647 priv->CustomerID = RT_CID_DEFAULT;
2648 break;
2649 case EEPROM_CID_CAMEO:
2650 priv->CustomerID = RT_CID_819x_CAMEO;
2651 break;
2652 case EEPROM_CID_RUNTOP:
2653 priv->CustomerID = RT_CID_819x_RUNTOP;
2654 break;
2655 case EEPROM_CID_NetCore:
2656 priv->CustomerID = RT_CID_819x_Netcore;
2657 break;
2658 case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31
2659 priv->CustomerID = RT_CID_TOSHIBA;
2660 if(priv->eeprom_ChannelPlan&0x80)
2661 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
2662 else
2663 priv->ChannelPlan = 0x0;
2664 RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
2665 priv->ChannelPlan);
2666 break;
2667 case EEPROM_CID_Nettronix:
2668 priv->CustomerID = RT_CID_Nettronix;
2669 break;
2670 case EEPROM_CID_Pronet:
2671 priv->CustomerID = RT_CID_PRONET;
2672 break;
2673 case EEPROM_CID_DLINK:
2674 priv->CustomerID = RT_CID_DLINK;
2675 break;
2676
2677 case EEPROM_CID_WHQL:
2678 //Adapter->bInHctTest = TRUE;//do not supported
2679
2680 //priv->bSupportTurboMode = FALSE;
2681 //priv->bAutoTurboBy8186 = FALSE;
2682
2683 //pMgntInfo->PowerSaveControl.bInactivePs = FALSE;
2684 //pMgntInfo->PowerSaveControl.bIPSModeBackup = FALSE;
2685 //pMgntInfo->PowerSaveControl.bLeisurePs = FALSE;
2686
2687 break;
2688 default:
2689 // value from RegCustomerID
2690 break;
2691 }
2692
2693 //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2694 if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
2695 priv->ChannelPlan = 0; //FCC
2696
2697 switch(priv->CustomerID)
2698 {
2699 case RT_CID_DEFAULT:
2700 #ifdef RTL8190P
2701 priv->LedStrategy = HW_LED;
2702 #else
2703 #ifdef RTL8192E
2704 priv->LedStrategy = SW_LED_MODE1;
2705 #endif
2706 #endif
2707 break;
2708
2709 case RT_CID_819x_CAMEO:
2710 priv->LedStrategy = SW_LED_MODE2;
2711 break;
2712
2713 case RT_CID_819x_RUNTOP:
2714 priv->LedStrategy = SW_LED_MODE3;
2715 break;
2716
2717 case RT_CID_819x_Netcore:
2718 priv->LedStrategy = SW_LED_MODE4;
2719 break;
2720
2721 case RT_CID_Nettronix:
2722 priv->LedStrategy = SW_LED_MODE5;
2723 break;
2724
2725 case RT_CID_PRONET:
2726 priv->LedStrategy = SW_LED_MODE6;
2727 break;
2728
2729 case RT_CID_TOSHIBA: //Modify by Jacken 2008/01/31
2730 // Do nothing.
2731 //break;
2732
2733 default:
2734 #ifdef RTL8190P
2735 priv->LedStrategy = HW_LED;
2736 #else
2737 #ifdef RTL8192E
2738 priv->LedStrategy = SW_LED_MODE1;
2739 #endif
2740 #endif
2741 break;
2742 }
2743
2744
2745 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304)
2746 priv->ieee80211->bSupportRemoteWakeUp = true;
2747 else
2748 priv->ieee80211->bSupportRemoteWakeUp = false;
2749
2750
2751 RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
2752 RT_TRACE(COMP_INIT, "ChannelPlan = %d \n", priv->ChannelPlan);
2753 RT_TRACE(COMP_INIT, "LedStrategy = %d \n", priv->LedStrategy);
2754 RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
2755
2756 return ;
2757 }
2758
2759
2760 static short rtl8192_get_channel_map(struct net_device * dev)
2761 {
2762 struct r8192_priv *priv = ieee80211_priv(dev);
2763 #ifdef ENABLE_DOT11D
2764 if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
2765 printk("rtl8180_init:Error channel plan! Set to default.\n");
2766 priv->ChannelPlan= 0;
2767 }
2768 RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
2769
2770 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2771 #else
2772 int ch,i;
2773 //Set Default Channel Plan
2774 if(!channels){
2775 DMESG("No channels, aborting");
2776 return -1;
2777 }
2778 ch=channels;
2779 priv->ChannelPlan= 0;//hikaru
2780 // set channels 1..14 allowed in given locale
2781 for (i=1; i<=14; i++) {
2782 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
2783 ch >>= 1;
2784 }
2785 #endif
2786 return 0;
2787 }
2788
2789 static short rtl8192_init(struct net_device *dev)
2790 {
2791 struct r8192_priv *priv = ieee80211_priv(dev);
2792 memset(&(priv->stats),0,sizeof(struct Stats));
2793 rtl8192_init_priv_variable(dev);
2794 rtl8192_init_priv_lock(priv);
2795 rtl8192_init_priv_task(dev);
2796 rtl8192_get_eeprom_size(dev);
2797 rtl8192_read_eeprom_info(dev);
2798 rtl8192_get_channel_map(dev);
2799 init_hal_dm(dev);
2800 init_timer(&priv->watch_dog_timer);
2801 priv->watch_dog_timer.data = (unsigned long)dev;
2802 priv->watch_dog_timer.function = watch_dog_timer_callback;
2803 if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, dev)) {
2804 printk("Error allocating IRQ %d",dev->irq);
2805 return -1;
2806 }else{
2807 priv->irq=dev->irq;
2808 printk("IRQ %d",dev->irq);
2809 }
2810 if(rtl8192_pci_initdescring(dev)!=0){
2811 printk("Endopoints initialization failed");
2812 return -1;
2813 }
2814
2815 //rtl8192_rx_enable(dev);
2816 //rtl8192_adapter_start(dev);
2817 return 0;
2818 }
2819
2820 /*
2821 * Actually only set RRSR, RATR and BW_OPMODE registers
2822 * not to do all the hw config as its name says
2823 * This part need to modified according to the rate set we filtered
2824 */
2825 static void rtl8192_hwconfig(struct net_device* dev)
2826 {
2827 u32 regRATR = 0, regRRSR = 0;
2828 u8 regBwOpMode = 0, regTmp = 0;
2829 struct r8192_priv *priv = ieee80211_priv(dev);
2830
2831 // Set RRSR, RATR, and BW_OPMODE registers
2832 //
2833 switch(priv->ieee80211->mode)
2834 {
2835 case WIRELESS_MODE_B:
2836 regBwOpMode = BW_OPMODE_20MHZ;
2837 regRATR = RATE_ALL_CCK;
2838 regRRSR = RATE_ALL_CCK;
2839 break;
2840 case WIRELESS_MODE_A:
2841 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2842 regRATR = RATE_ALL_OFDM_AG;
2843 regRRSR = RATE_ALL_OFDM_AG;
2844 break;
2845 case WIRELESS_MODE_G:
2846 regBwOpMode = BW_OPMODE_20MHZ;
2847 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2848 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2849 break;
2850 case WIRELESS_MODE_AUTO:
2851 case WIRELESS_MODE_N_24G:
2852 // It support CCK rate by default.
2853 // CCK rate will be filtered out only when associated AP does not support it.
2854 regBwOpMode = BW_OPMODE_20MHZ;
2855 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2856 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2857 break;
2858 case WIRELESS_MODE_N_5G:
2859 regBwOpMode = BW_OPMODE_5G;
2860 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2861 regRRSR = RATE_ALL_OFDM_AG;
2862 break;
2863 }
2864
2865 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
2866 {
2867 u32 ratr_value = 0;
2868 ratr_value = regRATR;
2869 if (priv->rf_type == RF_1T2R)
2870 {
2871 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2872 }
2873 write_nic_dword(dev, RATR0, ratr_value);
2874 write_nic_byte(dev, UFWP, 1);
2875 }
2876 regTmp = read_nic_byte(dev, 0x313);
2877 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2878 write_nic_dword(dev, RRSR, regRRSR);
2879
2880 //
2881 // Set Retry Limit here
2882 //
2883 write_nic_word(dev, RETRY_LIMIT,
2884 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2885 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2886 // Set Contention Window here
2887
2888 // Set Tx AGC
2889
2890 // Set Tx Antenna including Feedback control
2891
2892 // Set Auto Rate fallback control
2893
2894
2895 }
2896
2897
2898 static RT_STATUS rtl8192_adapter_start(struct net_device *dev)
2899 {
2900 struct r8192_priv *priv = ieee80211_priv(dev);
2901 // struct ieee80211_device *ieee = priv->ieee80211;
2902 u32 ulRegRead;
2903 RT_STATUS rtStatus = RT_STATUS_SUCCESS;
2904 //u8 eRFPath;
2905 u8 tmpvalue;
2906 #ifdef RTL8192E
2907 u8 ICVersion,SwitchingRegulatorOutput;
2908 #endif
2909 bool bfirmwareok = true;
2910 #ifdef RTL8190P
2911 u8 ucRegRead;
2912 #endif
2913 u32 tmpRegA, tmpRegC, TempCCk;
2914 int i =0;
2915
2916 RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
2917 priv->being_init_adapter = true;
2918 rtl8192_pci_resetdescring(dev);
2919 // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2920 priv->Rf_Mode = RF_OP_By_SW_3wire;
2921 #ifdef RTL8192E
2922 //dPLL on
2923 if(priv->ResetProgress == RESET_TYPE_NORESET)
2924 {
2925 write_nic_byte(dev, ANAPAR, 0x37);
2926 // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
2927 // Joseph increae the time to prevent firmware download fail
2928 mdelay(500);
2929 }
2930 #endif
2931 //PlatformSleepUs(10000);
2932 // For any kind of InitializeAdapter process, we shall use system now!!
2933 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2934
2935 //
2936 //3 //Config CPUReset Register
2937 //3//
2938 //3 Firmware Reset Or Not
2939 ulRegRead = read_nic_dword(dev, CPU_GEN);
2940 if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2941 { //called from MPInitialized. do nothing
2942 ulRegRead |= CPU_GEN_SYSTEM_RESET;
2943 }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2944 ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset
2945 else
2946 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status);
2947
2948 #ifdef RTL8190P
2949 //2008.06.03, for WOL 90 hw bug
2950 ulRegRead &= (~(CPU_GEN_GPIO_UART));
2951 #endif
2952
2953 write_nic_dword(dev, CPU_GEN, ulRegRead);
2954 //mdelay(100);
2955
2956 #ifdef RTL8192E
2957
2958 //3//
2959 //3 //Fix the issue of E-cut high temperature issue
2960 //3//
2961 // TODO: E cut only
2962 ICVersion = read_nic_byte(dev, IC_VERRSION);
2963 if(ICVersion >= 0x4) //E-cut only
2964 {
2965 // HW SD suggest that we should not wirte this register too often, so driver
2966 // should readback this register. This register will be modified only when
2967 // power on reset
2968 SwitchingRegulatorOutput = read_nic_byte(dev, SWREGULATOR);
2969 if(SwitchingRegulatorOutput != 0xb8)
2970 {
2971 write_nic_byte(dev, SWREGULATOR, 0xa8);
2972 mdelay(1);
2973 write_nic_byte(dev, SWREGULATOR, 0xb8);
2974 }
2975 }
2976 #endif
2977
2978
2979 //3//
2980 //3// Initialize BB before MAC
2981 //3//
2982 RT_TRACE(COMP_INIT, "BB Config Start!\n");
2983 rtStatus = rtl8192_BBConfig(dev);
2984 if(rtStatus != RT_STATUS_SUCCESS)
2985 {
2986 RT_TRACE(COMP_ERR, "BB Config failed\n");
2987 return rtStatus;
2988 }
2989 RT_TRACE(COMP_INIT,"BB Config Finished!\n");
2990
2991 //3//Set Loopback mode or Normal mode
2992 //3//
2993 //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
2994 // because setting of System_Reset bit reset MAC to default transmission mode.
2995 //Loopback mode or not
2996 priv->LoopbackMode = RTL819X_NO_LOOPBACK;
2997 //priv->LoopbackMode = RTL819X_MAC_LOOPBACK;
2998 if(priv->ResetProgress == RESET_TYPE_NORESET)
2999 {
3000 ulRegRead = read_nic_dword(dev, CPU_GEN);
3001 if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
3002 {
3003 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
3004 }
3005 else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
3006 {
3007 ulRegRead |= CPU_CCK_LOOPBACK;
3008 }
3009 else
3010 {
3011 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
3012 }
3013
3014 //2008.06.03, for WOL
3015 //ulRegRead &= (~(CPU_GEN_GPIO_UART));
3016 write_nic_dword(dev, CPU_GEN, ulRegRead);
3017
3018 // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
3019 udelay(500);
3020 }
3021 //3Set Hardware(Do nothing now)
3022 rtl8192_hwconfig(dev);
3023 //2=======================================================
3024 // Common Setting for all of the FPGA platform. (part 1)
3025 //2=======================================================
3026 // If there is changes, please make sure it applies to all of the FPGA version
3027 //3 Turn on Tx/Rx
3028 write_nic_byte(dev, CMDR, CR_RE|CR_TE);
3029
3030 //2Set Tx dma burst
3031 #ifdef RTL8190P
3032 write_nic_byte(dev, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
3033 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) |
3034 (1<<MULRW_SHIFT)));
3035 #else
3036 #ifdef RTL8192E
3037 write_nic_byte(dev, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
3038 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
3039 #endif
3040 #endif
3041 //set IDR0 here
3042 write_nic_dword(dev, MAC0, ((u32*)dev->dev_addr)[0]);
3043 write_nic_word(dev, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
3044 //set RCR
3045 write_nic_dword(dev, RCR, priv->ReceiveConfig);
3046
3047 //3 Initialize Number of Reserved Pages in Firmware Queue
3048 #ifdef TO_DO_LIST
3049 if(priv->bInHctTest)
3050 {
3051 PlatformEFIOWrite4Byte(Adapter, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK_DTM << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
3052 NUM_OF_PAGE_IN_FW_QUEUE_BE_DTM << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
3053 NUM_OF_PAGE_IN_FW_QUEUE_VI_DTM << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
3054 NUM_OF_PAGE_IN_FW_QUEUE_VO_DTM <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
3055 PlatformEFIOWrite4Byte(Adapter, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
3056 PlatformEFIOWrite4Byte(Adapter, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
3057 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
3058 NUM_OF_PAGE_IN_FW_QUEUE_PUB_DTM<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
3059 }
3060 else
3061 #endif
3062 {
3063 write_nic_dword(dev, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
3064 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
3065 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
3066 NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
3067 write_nic_dword(dev, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
3068 write_nic_dword(dev, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
3069 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
3070 NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
3071 }
3072
3073 rtl8192_tx_enable(dev);
3074 rtl8192_rx_enable(dev);
3075 //3Set Response Rate Setting Register
3076 // CCK rate is supported by default.
3077 // CCK rate will be filtered out only when associated AP does not support it.
3078 ulRegRead = (0xFFF00000 & read_nic_dword(dev, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
3079 write_nic_dword(dev, RRSR, ulRegRead);
3080 write_nic_dword(dev, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
3081
3082 //2Set AckTimeout
3083 // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
3084 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
3085
3086 //rtl8192_actset_wirelessmode(dev,priv->RegWirelessMode);
3087 if(priv->ResetProgress == RESET_TYPE_NORESET)
3088 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
3089 //-----------------------------------------------------------------------------
3090 // Set up security related. 070106, by rcnjko:
3091 // 1. Clear all H/W keys.
3092 // 2. Enable H/W encryption/decryption.
3093 //-----------------------------------------------------------------------------
3094 CamResetAllEntry(dev);
3095 {
3096 u8 SECR_value = 0x0;
3097 SECR_value |= SCR_TxEncEnable;
3098 SECR_value |= SCR_RxDecEnable;
3099 SECR_value |= SCR_NoSKMC;
3100 write_nic_byte(dev, SECR, SECR_value);
3101 }
3102 //3Beacon related
3103 write_nic_word(dev, ATIMWND, 2);
3104 write_nic_word(dev, BCN_INTERVAL, 100);
3105 for (i=0; i<QOS_QUEUE_NUM; i++)
3106 write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
3107 //
3108 // Switching regulator controller: This is set temporarily.
3109 // It's not sure if this can be removed in the future.
3110 // PJ advised to leave it by default.
3111 //
3112 write_nic_byte(dev, 0xbe, 0xc0);
3113
3114 //2=======================================================
3115 // Set PHY related configuration defined in MAC register bank
3116 //2=======================================================
3117 rtl8192_phy_configmac(dev);
3118
3119 if (priv->card_8192_version > (u8) VERSION_8190_BD) {
3120 rtl8192_phy_getTxPower(dev);
3121 rtl8192_phy_setTxPower(dev, priv->chan);
3122 }
3123
3124 //if D or C cut
3125 tmpvalue = read_nic_byte(dev, IC_VERRSION);
3126 priv->IC_Cut = tmpvalue;
3127 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
3128 if(priv->IC_Cut >= IC_VersionCut_D)
3129 {
3130 //pHalData->bDcut = TRUE;
3131 if(priv->IC_Cut == IC_VersionCut_D)
3132 RT_TRACE(COMP_INIT, "D-cut\n");
3133 if(priv->IC_Cut == IC_VersionCut_E)
3134 {
3135 RT_TRACE(COMP_INIT, "E-cut\n");
3136 // HW SD suggest that we should not wirte this register too often, so driver
3137 // should readback this register. This register will be modified only when
3138 // power on reset
3139 }
3140 }
3141 else
3142 {
3143 //pHalData->bDcut = FALSE;
3144 RT_TRACE(COMP_INIT, "Before C-cut\n");
3145 }
3146
3147 //Firmware download
3148 RT_TRACE(COMP_INIT, "Load Firmware!\n");
3149 bfirmwareok = init_firmware(dev);
3150 if(bfirmwareok != true) {
3151 rtStatus = RT_STATUS_FAILURE;
3152 return rtStatus;
3153 }
3154 RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
3155
3156 //RF config
3157 if(priv->ResetProgress == RESET_TYPE_NORESET)
3158 {
3159 RT_TRACE(COMP_INIT, "RF Config Started!\n");
3160 rtStatus = rtl8192_phy_RFConfig(dev);
3161 if(rtStatus != RT_STATUS_SUCCESS)
3162 {
3163 RT_TRACE(COMP_ERR, "RF Config failed\n");
3164 return rtStatus;
3165 }
3166 RT_TRACE(COMP_INIT, "RF Config Finished!\n");
3167 }
3168 rtl8192_phy_updateInitGain(dev);
3169
3170 /*---- Set CCK and OFDM Block "ON"----*/
3171 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
3172 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
3173
3174 #ifdef RTL8192E
3175 //Enable Led
3176 write_nic_byte(dev, 0x87, 0x0);
3177 #endif
3178 #ifdef RTL8190P
3179 //2008.06.03, for WOL
3180 ucRegRead = read_nic_byte(dev, GPE);
3181 ucRegRead |= BIT0;
3182 write_nic_byte(dev, GPE, ucRegRead);
3183
3184 ucRegRead = read_nic_byte(dev, GPO);
3185 ucRegRead &= ~BIT0;
3186 write_nic_byte(dev, GPO, ucRegRead);
3187 #endif
3188
3189 //2=======================================================
3190 // RF Power Save
3191 //2=======================================================
3192 #ifdef ENABLE_IPS
3193
3194 {
3195 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
3196 { // H/W or S/W RF OFF before sleep.
3197 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d) ----------\n", __FUNCTION__,priv->ieee80211->RfOffReason);
3198 MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason);
3199 }
3200 else if(priv->ieee80211->RfOffReason >= RF_CHANGE_BY_IPS)
3201 { // H/W or S/W RF OFF before sleep.
3202 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d) ----------\n", __FUNCTION__,priv->ieee80211->RfOffReason);
3203 MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason);
3204 }
3205 else
3206 {
3207 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
3208 priv->ieee80211->eRFPowerState = eRfOn;
3209 priv->ieee80211->RfOffReason = 0;
3210 //DrvIFIndicateCurrentPhyStatus(Adapter);
3211 // LED control
3212 //Adapter->HalFunc.LedControlHandler(Adapter, LED_CTL_POWER_ON);
3213
3214 //
3215 // If inactive power mode is enabled, disable rf while in disconnected state.
3216 // But we should still tell upper layer we are in rf on state.
3217 // 2007.07.16, by shien chang.
3218 //
3219 //if(!Adapter->bInHctTest)
3220 //IPSEnter(Adapter);
3221
3222 }
3223 }
3224 #endif
3225 if(1){
3226 #ifdef RTL8192E
3227 // We can force firmware to do RF-R/W
3228 if(priv->ieee80211->FwRWRF)
3229 priv->Rf_Mode = RF_OP_By_FW;
3230 else
3231 priv->Rf_Mode = RF_OP_By_SW_3wire;
3232 #else
3233 priv->Rf_Mode = RF_OP_By_SW_3wire;
3234 #endif
3235 }
3236 #ifdef RTL8190P
3237 if(priv->ResetProgress == RESET_TYPE_NORESET)
3238 {
3239 dm_initialize_txpower_tracking(dev);
3240
3241 tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord);
3242 tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord);
3243
3244 if(priv->rf_type == RF_2T4R){
3245 for(i = 0; i<TxBBGainTableLength; i++)
3246 {
3247 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
3248 {
3249 priv->rfa_txpowertrackingindex= (u8)i;
3250 priv->rfa_txpowertrackingindex_real= (u8)i;
3251 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
3252 break;
3253 }
3254 }
3255 }
3256 for(i = 0; i<TxBBGainTableLength; i++)
3257 {
3258 if(tmpRegC == priv->txbbgain_table[i].txbbgain_value)
3259 {
3260 priv->rfc_txpowertrackingindex= (u8)i;
3261 priv->rfc_txpowertrackingindex_real= (u8)i;
3262 priv->rfc_txpowertracking_default = priv->rfc_txpowertrackingindex;
3263 break;
3264 }
3265 }
3266 TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
3267
3268 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
3269 {
3270 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
3271 {
3272 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
3273 break;
3274 }
3275 }
3276 priv->CCKPresentAttentuation_40Mdefault = 0;
3277 priv->CCKPresentAttentuation_difference = 0;
3278 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
3279 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
3280 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
3281 RT_TRACE(COMP_POWER_TRACKING, "priv->rfc_txpowertrackingindex_initial = %d\n", priv->rfc_txpowertrackingindex);
3282 RT_TRACE(COMP_POWER_TRACKING, "priv->rfc_txpowertrackingindex_real_initial = %d\n", priv->rfc_txpowertrackingindex_real);
3283 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
3284 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
3285 }
3286 #else
3287 #ifdef RTL8192E
3288 if(priv->ResetProgress == RESET_TYPE_NORESET)
3289 {
3290 dm_initialize_txpower_tracking(dev);
3291
3292 if(priv->IC_Cut >= IC_VersionCut_D)
3293 {
3294 tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord);
3295 tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord);
3296 for(i = 0; i<TxBBGainTableLength; i++)
3297 {
3298 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
3299 {
3300 priv->rfa_txpowertrackingindex= (u8)i;
3301 priv->rfa_txpowertrackingindex_real= (u8)i;
3302 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
3303 break;
3304 }
3305 }
3306
3307 TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
3308
3309 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
3310 {
3311 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
3312 {
3313 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
3314 break;
3315 }
3316 }
3317 priv->CCKPresentAttentuation_40Mdefault = 0;
3318 priv->CCKPresentAttentuation_difference = 0;
3319 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
3320 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
3321 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
3322 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
3323 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
3324 priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
3325 }
3326 }
3327 #endif
3328 #endif
3329 rtl8192_irq_enable(dev);
3330 priv->being_init_adapter = false;
3331 return rtStatus;
3332
3333 }
3334
3335 static void rtl8192_prepare_beacon(struct r8192_priv *priv)
3336 {
3337 struct sk_buff *skb;
3338 //unsigned long flags;
3339 cb_desc *tcb_desc;
3340
3341 skb = ieee80211_get_beacon(priv->ieee80211);
3342 tcb_desc = (cb_desc *)(skb->cb + 8);
3343 //spin_lock_irqsave(&priv->tx_lock,flags);
3344 /* prepare misc info for the beacon xmit */
3345 tcb_desc->queue_index = BEACON_QUEUE;
3346 /* IBSS does not support HT yet, use 1M defaultly */
3347 tcb_desc->data_rate = 2;
3348 tcb_desc->RATRIndex = 7;
3349 tcb_desc->bTxDisableRateFallBack = 1;
3350 tcb_desc->bTxUseDriverAssingedRate = 1;
3351
3352 skb_push(skb, priv->ieee80211->tx_headroom);
3353 if(skb){
3354 rtl8192_tx(priv->ieee80211->dev,skb);
3355 }
3356 //spin_unlock_irqrestore (&priv->tx_lock, flags);
3357 }
3358
3359
3360 /*
3361 * configure registers for beacon tx and enables it via
3362 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3363 * be used to stop beacon transmission
3364 */
3365 static void rtl8192_start_beacon(struct net_device *dev)
3366 {
3367 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3368 struct ieee80211_network *net = &priv->ieee80211->current_network;
3369 u16 BcnTimeCfg = 0;
3370 u16 BcnCW = 6;
3371 u16 BcnIFS = 0xf;
3372
3373 DMESG("Enabling beacon TX");
3374 //rtl8192_prepare_beacon(dev);
3375 rtl8192_irq_disable(dev);
3376 //rtl8192_beacon_tx_enable(dev);
3377
3378 /* ATIM window */
3379 write_nic_word(dev, ATIMWND, 2);
3380
3381 /* Beacon interval (in unit of TU) */
3382 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
3383
3384 /*
3385 * DrvErlyInt (in unit of TU).
3386 * (Time to send interrupt to notify driver to c
3387 * hange beacon content)
3388 * */
3389 write_nic_word(dev, BCN_DRV_EARLY_INT, 10);
3390
3391 /*
3392 * BcnDMATIM(in unit of us).
3393 * Indicates the time before TBTT to perform beacon queue DMA
3394 * */
3395 write_nic_word(dev, BCN_DMATIME, 256);
3396
3397 /*
3398 * Force beacon frame transmission even after receiving
3399 * beacon frame from other ad hoc STA
3400 * */
3401 write_nic_byte(dev, BCN_ERR_THRESH, 100);
3402
3403 /* Set CW and IFS */
3404 BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
3405 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
3406 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
3407
3408
3409 /* enable the interrupt for ad-hoc process */
3410 rtl8192_irq_enable(dev);
3411 }
3412
3413 static bool HalTxCheckStuck8190Pci(struct net_device *dev)
3414 {
3415 u16 RegTxCounter = read_nic_word(dev, 0x128);
3416 struct r8192_priv *priv = ieee80211_priv(dev);
3417 bool bStuck = FALSE;
3418 RT_TRACE(COMP_RESET,"%s():RegTxCounter is %d,TxCounter is %d\n",__FUNCTION__,RegTxCounter,priv->TxCounter);
3419 if(priv->TxCounter==RegTxCounter)
3420 bStuck = TRUE;
3421
3422 priv->TxCounter = RegTxCounter;
3423
3424 return bStuck;
3425 }
3426
3427 /*
3428 * Assumption: RT_TX_SPINLOCK is acquired.
3429 */
3430 static RESET_TYPE
3431 TxCheckStuck(struct net_device *dev)
3432 {
3433 struct r8192_priv *priv = ieee80211_priv(dev);
3434 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3435 bool bCheckFwTxCnt = false;
3436
3437 //
3438 // Decide Stuch threshold according to current power save mode
3439 //
3440 switch (priv->ieee80211->dot11PowerSaveMode)
3441 {
3442 // The threshold value may required to be adjusted .
3443 case eActive: // Active/Continuous access.
3444 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
3445 break;
3446 case eMaxPs: // Max power save mode.
3447 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3448 break;
3449 case eFastPs: // Fast power save mode.
3450 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3451 break;
3452 }
3453
3454 if(bCheckFwTxCnt)
3455 {
3456 if(HalTxCheckStuck8190Pci(dev))
3457 {
3458 RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
3459 return RESET_TYPE_SILENT;
3460 }
3461 }
3462
3463 return RESET_TYPE_NORESET;
3464 }
3465
3466
3467 static bool HalRxCheckStuck8190Pci(struct net_device *dev)
3468 {
3469 struct r8192_priv *priv = ieee80211_priv(dev);
3470 u16 RegRxCounter = read_nic_word(dev, 0x130);
3471 bool bStuck = FALSE;
3472
3473 RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
3474 // If rssi is small, we should check rx for long time because of bad rx.
3475 // or maybe it will continuous silent reset every 2 seconds.
3476 priv->rx_chk_cnt++;
3477 if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
3478 {
3479 priv->rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3480 }
3481 else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
3482 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
3483 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
3484
3485 {
3486 if(priv->rx_chk_cnt < 2)
3487 {
3488 return bStuck;
3489 }
3490 else
3491 {
3492 priv->rx_chk_cnt = 0;
3493 }
3494 }
3495 else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
3496 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
3497 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
3498 {
3499 if(priv->rx_chk_cnt < 4)
3500 {
3501 return bStuck;
3502 }
3503 else
3504 {
3505 priv->rx_chk_cnt = 0;
3506 }
3507 }
3508 else
3509 {
3510 if(priv->rx_chk_cnt < 8)
3511 {
3512 return bStuck;
3513 }
3514 else
3515 {
3516 priv->rx_chk_cnt = 0;
3517 }
3518 }
3519 if(priv->RxCounter==RegRxCounter)
3520 bStuck = TRUE;
3521
3522 priv->RxCounter = RegRxCounter;
3523
3524 return bStuck;
3525 }
3526
3527 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3528 {
3529
3530 if(HalRxCheckStuck8190Pci(dev))
3531 {
3532 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3533 return RESET_TYPE_SILENT;
3534 }
3535
3536 return RESET_TYPE_NORESET;
3537 }
3538
3539 static RESET_TYPE
3540 rtl819x_ifcheck_resetornot(struct net_device *dev)
3541 {
3542 struct r8192_priv *priv = ieee80211_priv(dev);
3543 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
3544 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
3545 RT_RF_POWER_STATE rfState;
3546
3547 rfState = priv->ieee80211->eRFPowerState;
3548
3549 TxResetType = TxCheckStuck(dev);
3550
3551 if( rfState != eRfOff &&
3552 /*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/
3553 (priv->ieee80211->iw_mode != IW_MODE_ADHOC))
3554 {
3555 // If driver is in the status of firmware download failure , driver skips RF initialization and RF is
3556 // in turned off state. Driver should check whether Rx stuck and do silent reset. And
3557 // if driver is in firmware download failure status, driver should initialize RF in the following
3558 // silent reset procedure Emily, 2008.01.21
3559
3560 // Driver should not check RX stuck in IBSS mode because it is required to
3561 // set Check BSSID in order to send beacon, however, if check BSSID is
3562 // set, STA cannot hear any packet a all. Emily, 2008.04.12
3563 RxResetType = RxCheckStuck(dev);
3564 }
3565
3566 RT_TRACE(COMP_RESET,"%s(): TxResetType is %d, RxResetType is %d\n",__FUNCTION__,TxResetType,RxResetType);
3567 if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL)
3568 return RESET_TYPE_NORMAL;
3569 else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT)
3570 return RESET_TYPE_SILENT;
3571 else
3572 return RESET_TYPE_NORESET;
3573
3574 }
3575
3576
3577 static void CamRestoreAllEntry(struct net_device *dev)
3578 {
3579 u8 EntryId = 0;
3580 struct r8192_priv *priv = ieee80211_priv(dev);
3581 const u8* MacAddr = priv->ieee80211->current_network.bssid;
3582
3583 static const u8 CAM_CONST_ADDR[4][6] = {
3584 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3585 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3586 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3587 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03}};
3588 static const u8 CAM_CONST_BROAD[] =
3589 {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3590
3591 RT_TRACE(COMP_SEC, "CamRestoreAllEntry: \n");
3592
3593
3594 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40)||
3595 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104))
3596 {
3597
3598 for(EntryId=0; EntryId<4; EntryId++)
3599 {
3600 {
3601 MacAddr = CAM_CONST_ADDR[EntryId];
3602 setKey(dev,
3603 EntryId ,
3604 EntryId,
3605 priv->ieee80211->pairwise_key_type,
3606 MacAddr,
3607 0,
3608 NULL);
3609 }
3610 }
3611
3612 }
3613 else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP)
3614 {
3615
3616 {
3617 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3618 setKey(dev,
3619 4,
3620 0,
3621 priv->ieee80211->pairwise_key_type,
3622 (u8*)dev->dev_addr,
3623 0,
3624 NULL);
3625 else
3626 setKey(dev,
3627 4,
3628 0,
3629 priv->ieee80211->pairwise_key_type,
3630 MacAddr,
3631 0,
3632 NULL);
3633 }
3634 }
3635 else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP)
3636 {
3637
3638 {
3639 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3640 setKey(dev,
3641 4,
3642 0,
3643 priv->ieee80211->pairwise_key_type,
3644 (u8*)dev->dev_addr,
3645 0,
3646 NULL);
3647 else
3648 setKey(dev,
3649 4,
3650 0,
3651 priv->ieee80211->pairwise_key_type,
3652 MacAddr,
3653 0,
3654 NULL);
3655 }
3656 }
3657
3658
3659
3660 if(priv->ieee80211->group_key_type == KEY_TYPE_TKIP)
3661 {
3662 MacAddr = CAM_CONST_BROAD;
3663 for(EntryId=1 ; EntryId<4 ; EntryId++)
3664 {
3665 {
3666 setKey(dev,
3667 EntryId,
3668 EntryId,
3669 priv->ieee80211->group_key_type,
3670 MacAddr,
3671 0,
3672 NULL);
3673 }
3674 }
3675 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3676 setKey(dev,
3677 0,
3678 0,
3679 priv->ieee80211->group_key_type,
3680 CAM_CONST_ADDR[0],
3681 0,
3682 NULL);
3683 }
3684 else if(priv->ieee80211->group_key_type == KEY_TYPE_CCMP)
3685 {
3686 MacAddr = CAM_CONST_BROAD;
3687 for(EntryId=1; EntryId<4 ; EntryId++)
3688 {
3689 {
3690 setKey(dev,
3691 EntryId ,
3692 EntryId,
3693 priv->ieee80211->group_key_type,
3694 MacAddr,
3695 0,
3696 NULL);
3697 }
3698 }
3699
3700 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3701 setKey(dev,
3702 0 ,
3703 0,
3704 priv->ieee80211->group_key_type,
3705 CAM_CONST_ADDR[0],
3706 0,
3707 NULL);
3708 }
3709 }
3710
3711 /*
3712 * This function is used to fix Tx/Rx stop bug temporarily.
3713 * This function will do "system reset" to NIC when Tx or Rx is stuck.
3714 * The method checking Tx/Rx stuck of this function is supported by FW,
3715 * which reports Tx and Rx counter to register 0x128 and 0x130.
3716 */
3717 static void rtl819x_ifsilentreset(struct net_device *dev)
3718 {
3719 struct r8192_priv *priv = ieee80211_priv(dev);
3720 u8 reset_times = 0;
3721 int reset_status = 0;
3722 struct ieee80211_device *ieee = priv->ieee80211;
3723
3724
3725 return;
3726
3727 // 2007.07.20. If we need to check CCK stop, please uncomment this line.
3728 //bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter);
3729
3730 if(priv->ResetProgress==RESET_TYPE_NORESET)
3731 {
3732 RESET_START:
3733 #ifdef ENABLE_LPS
3734 //LZM for PS-Poll AID issue. 090429
3735 if(priv->ieee80211->state == IEEE80211_LINKED)
3736 LeisurePSLeave(dev);
3737 #endif
3738
3739 RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");
3740
3741 // Set the variable for reset.
3742 priv->ResetProgress = RESET_TYPE_SILENT;
3743 // rtl8192_close(dev);
3744
3745 down(&priv->wx_sem);
3746 if(priv->up == 0)
3747 {
3748 RT_TRACE(COMP_ERR,"%s():the driver is not up! return\n",__FUNCTION__);
3749 up(&priv->wx_sem);
3750 return ;
3751 }
3752 priv->up = 0;
3753 RT_TRACE(COMP_RESET,"%s():======>start to down the driver\n",__FUNCTION__);
3754 if(!netif_queue_stopped(dev))
3755 netif_stop_queue(dev);
3756
3757 dm_backup_dynamic_mechanism_state(dev);
3758
3759 rtl8192_irq_disable(dev);
3760 rtl8192_cancel_deferred_work(priv);
3761 deinit_hal_dm(dev);
3762 del_timer_sync(&priv->watch_dog_timer);
3763 ieee->sync_scan_hurryup = 1;
3764 if(ieee->state == IEEE80211_LINKED)
3765 {
3766 down(&ieee->wx_sem);
3767 printk("ieee->state is IEEE80211_LINKED\n");
3768 ieee80211_stop_send_beacons(priv->ieee80211);
3769 del_timer_sync(&ieee->associate_timer);
3770 cancel_delayed_work(&ieee->associate_retry_wq);
3771 ieee80211_stop_scan(ieee);
3772 up(&ieee->wx_sem);
3773 }
3774 else{
3775 printk("ieee->state is NOT LINKED\n");
3776 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3777 }
3778 rtl8192_halt_adapter(dev, true);
3779 up(&priv->wx_sem);
3780 RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__FUNCTION__);
3781 RT_TRACE(COMP_RESET,"%s():===========>start to up the driver\n",__FUNCTION__);
3782 reset_status = _rtl8192_up(dev);
3783
3784 RT_TRACE(COMP_RESET,"%s():<===========up process is finished\n",__FUNCTION__);
3785 if(reset_status == -1)
3786 {
3787 if(reset_times < 3)
3788 {
3789 reset_times++;
3790 goto RESET_START;
3791 }
3792 else
3793 {
3794 RT_TRACE(COMP_ERR," ERR!!! %s(): Reset Failed!!\n",__FUNCTION__);
3795 }
3796 }
3797 ieee->is_silent_reset = 1;
3798 EnableHWSecurityConfig8192(dev);
3799 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3800 {
3801 ieee->set_chan(ieee->dev, ieee->current_network.channel);
3802
3803 queue_work(ieee->wq, &ieee->associate_complete_wq);
3804
3805 }
3806 else if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_ADHOC)
3807 {
3808 ieee->set_chan(ieee->dev, ieee->current_network.channel);
3809 ieee->link_change(ieee->dev);
3810
3811 // notify_wx_assoc_event(ieee);
3812
3813 ieee80211_start_send_beacons(ieee);
3814
3815 if (ieee->data_hard_resume)
3816 ieee->data_hard_resume(ieee->dev);
3817 netif_carrier_on(ieee->dev);
3818 }
3819
3820 CamRestoreAllEntry(dev);
3821
3822 // Restore the previous setting for all dynamic mechanism
3823 dm_restore_dynamic_mechanism_state(dev);
3824
3825 priv->ResetProgress = RESET_TYPE_NORESET;
3826 priv->reset_count++;
3827
3828 priv->bForcedSilentReset =false;
3829 priv->bResetInProgress = false;
3830
3831 // For test --> force write UFWP.
3832 write_nic_byte(dev, UFWP, 1);
3833 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
3834 }
3835 }
3836
3837 #ifdef ENABLE_IPS
3838 void InactivePsWorkItemCallback(struct net_device *dev)
3839 {
3840 struct r8192_priv *priv = ieee80211_priv(dev);
3841 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
3842
3843 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() ---------> \n");
3844 //
3845 // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
3846 // is really scheduled.
3847 // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3848 // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3849 // blocks the IPS procedure of switching RF.
3850 // By Bruce, 2007-12-25.
3851 //
3852 pPSC->bSwRfProcessing = TRUE;
3853
3854 RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3855 pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
3856
3857
3858 MgntActSet_RF_State(dev, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
3859
3860 //
3861 // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3862 //
3863 pPSC->bSwRfProcessing = FALSE;
3864 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <--------- \n");
3865 }
3866
3867 #ifdef ENABLE_LPS
3868 /* Change current and default preamble mode. */
3869 bool MgntActSet_802_11_PowerSaveMode(struct net_device *dev, u8 rtPsMode)
3870 {
3871 struct r8192_priv *priv = ieee80211_priv(dev);
3872
3873 // Currently, we do not change power save mode on IBSS mode.
3874 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3875 {
3876 return false;
3877 }
3878
3879 //
3880 // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3881 // some AP will not response to our mgnt frames with PwrMgt bit set,
3882 // e.g. cannot associate the AP.
3883 // So I commented out it. 2005.02.16, by rcnjko.
3884 //
3885 // // Change device's power save mode.
3886 // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3887
3888 // Update power save mode configured.
3889 //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3890 if(!priv->ps_force) {
3891 priv->ieee80211->ps = rtPsMode;
3892 }
3893
3894 // Awake immediately
3895 if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
3896 {
3897 unsigned long flags;
3898
3899 //PlatformSetTimer(Adapter, &(pMgntInfo->AwakeTimer), 0);
3900 // Notify the AP we awke.
3901 rtl8192_hw_wakeup(dev);
3902 priv->ieee80211->sta_sleep = 0;
3903
3904 spin_lock_irqsave(&(priv->ieee80211->mgmt_tx_lock), flags);
3905 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3906 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
3907 spin_unlock_irqrestore(&(priv->ieee80211->mgmt_tx_lock), flags);
3908 }
3909
3910 return true;
3911 }
3912
3913 /* Enter the leisure power save mode. */
3914 void LeisurePSEnter(struct net_device *dev)
3915 {
3916 struct r8192_priv *priv = ieee80211_priv(dev);
3917 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
3918
3919 //RT_TRACE(COMP_PS, "LeisurePSEnter()...\n");
3920 //RT_TRACE(COMP_PS, "pPSC->bLeisurePs = %d, ieee->ps = %d,pPSC->LpsIdleCount is %d,RT_CHECK_FOR_HANG_PERIOD is %d\n",
3921 // pPSC->bLeisurePs, priv->ieee80211->ps,pPSC->LpsIdleCount,RT_CHECK_FOR_HANG_PERIOD);
3922
3923 if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
3924 (priv->ieee80211->state == IEEE80211_LINKED)) ||
3925 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
3926 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
3927 return;
3928
3929 if (pPSC->bLeisurePs)
3930 {
3931 // Idle for a while if we connect to AP a while ago.
3932 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) // 4 Sec
3933 {
3934
3935 if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
3936 {
3937
3938 //RT_TRACE(COMP_LPS, "LeisurePSEnter(): Enter 802.11 power save mode...\n");
3939 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
3940
3941 }
3942 }
3943 else
3944 pPSC->LpsIdleCount++;
3945 }
3946 }
3947
3948
3949 /* Leave leisure power save mode. */
3950 void LeisurePSLeave(struct net_device *dev)
3951 {
3952 struct r8192_priv *priv = ieee80211_priv(dev);
3953 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
3954
3955 if (pPSC->bLeisurePs)
3956 {
3957 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
3958 {
3959 // move to lps_wakecomplete()
3960 //RT_TRACE(COMP_LPS, "LeisurePSLeave(): Busy Traffic , Leave 802.11 power save..\n");
3961 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_DISABLED);
3962
3963 }
3964 }
3965 }
3966 #endif
3967
3968
3969 /* Enter the inactive power save mode. RF will be off */
3970 void
3971 IPSEnter(struct net_device *dev)
3972 {
3973 struct r8192_priv *priv = ieee80211_priv(dev);
3974 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
3975 RT_RF_POWER_STATE rtState;
3976
3977 if (pPSC->bInactivePs)
3978 {
3979 rtState = priv->ieee80211->eRFPowerState;
3980 //
3981 // Added by Bruce, 2007-12-25.
3982 // Do not enter IPS in the following conditions:
3983 // (1) RF is already OFF or Sleep
3984 // (2) bSwRfProcessing (indicates the IPS is still under going)
3985 // (3) Connectted (only disconnected can trigger IPS)
3986 // (4) IBSS (send Beacon)
3987 // (5) AP mode (send Beacon)
3988 //
3989 if (rtState == eRfOn && !pPSC->bSwRfProcessing
3990 && (priv->ieee80211->state != IEEE80211_LINKED) )
3991 {
3992 RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
3993 pPSC->eInactivePowerState = eRfOff;
3994 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
3995 InactivePsWorkItemCallback(dev);
3996 }
3997 }
3998 }
3999
4000 //
4001 // Description:
4002 // Leave the inactive power save mode, RF will be on.
4003 // 2007.08.17, by shien chang.
4004 //
4005 void
4006 IPSLeave(struct net_device *dev)
4007 {
4008 struct r8192_priv *priv = ieee80211_priv(dev);
4009 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4010 RT_RF_POWER_STATE rtState;
4011
4012 if (pPSC->bInactivePs)
4013 {
4014 rtState = priv->ieee80211->eRFPowerState;
4015 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->ieee80211->RfOffReason <= RF_CHANGE_BY_IPS)
4016 {
4017 RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
4018 pPSC->eInactivePowerState = eRfOn;
4019 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
4020 InactivePsWorkItemCallback(dev);
4021 }
4022 }
4023 }
4024
4025 void IPSLeave_wq(void *data)
4026 {
4027 struct ieee80211_device *ieee = container_of(data,struct ieee80211_device,ips_leave_wq);
4028 struct net_device *dev = ieee->dev;
4029
4030 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4031 down(&priv->ieee80211->ips_sem);
4032 IPSLeave(dev);
4033 up(&priv->ieee80211->ips_sem);
4034 }
4035
4036 void ieee80211_ips_leave_wq(struct net_device *dev)
4037 {
4038 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4039 RT_RF_POWER_STATE rtState;
4040 rtState = priv->ieee80211->eRFPowerState;
4041
4042 if(priv->ieee80211->PowerSaveControl.bInactivePs){
4043 if(rtState == eRfOff){
4044 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
4045 {
4046 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
4047 return;
4048 }
4049 else{
4050 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
4051 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
4052 }
4053 }
4054 }
4055 }
4056 //added by amy 090331 end
4057 void ieee80211_ips_leave(struct net_device *dev)
4058 {
4059 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4060 down(&priv->ieee80211->ips_sem);
4061 IPSLeave(dev);
4062 up(&priv->ieee80211->ips_sem);
4063 }
4064 #endif
4065
4066 static void rtl819x_update_rxcounts(
4067 struct r8192_priv *priv,
4068 u32* TotalRxBcnNum,
4069 u32* TotalRxDataNum
4070 )
4071 {
4072 u16 SlotIndex;
4073 u8 i;
4074
4075 *TotalRxBcnNum = 0;
4076 *TotalRxDataNum = 0;
4077
4078 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
4079 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
4080 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
4081 for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
4082 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
4083 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
4084 }
4085 }
4086
4087
4088 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
4089 {
4090 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
4091 struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
4092 struct net_device *dev = priv->ieee80211->dev;
4093 struct ieee80211_device* ieee = priv->ieee80211;
4094 RESET_TYPE ResetType = RESET_TYPE_NORESET;
4095 unsigned long flags;
4096 bool bBusyTraffic = false;
4097 bool bEnterPS = false;
4098
4099 if ((!priv->up) || priv->bHwRadioOff)
4100 return;
4101
4102 if(!priv->up)
4103 return;
4104 hal_dm_watchdog(dev);
4105 #ifdef ENABLE_IPS
4106 if(ieee->actscanning == false){
4107 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&
4108 (ieee->eRFPowerState == eRfOn)&&!ieee->is_set_key &&
4109 (!ieee->proto_stoppping) && !ieee->wx_set_enc){
4110 if(ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
4111 IPSEnter(dev);
4112 //ieee80211_stop_scan(priv->ieee80211);
4113 }
4114 }
4115 }
4116 #endif
4117 {//to get busy traffic condition
4118 if(ieee->state == IEEE80211_LINKED)
4119 {
4120 if( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
4121 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
4122 bBusyTraffic = true;
4123 }
4124
4125 #ifdef ENABLE_LPS
4126 //added by amy for Leisure PS
4127 if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
4128 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
4129 {
4130 bEnterPS= false;
4131 }
4132 else
4133 {
4134 bEnterPS= true;
4135 }
4136
4137 // LeisurePS only work in infra mode.
4138 if(bEnterPS)
4139 {
4140 LeisurePSEnter(dev);
4141 }
4142 else
4143 {
4144 LeisurePSLeave(dev);
4145 }
4146 #endif
4147
4148 }
4149 else
4150 {
4151 #ifdef ENABLE_LPS
4152 //RT_TRACE(COMP_LPS,"====>no link LPS leave\n");
4153 LeisurePSLeave(dev);
4154 #endif
4155 }
4156
4157 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
4158 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
4159 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
4160 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
4161 }
4162
4163
4164 //added by amy for AP roaming
4165 if (1)
4166 {
4167 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
4168 {
4169 u32 TotalRxBcnNum = 0;
4170 u32 TotalRxDataNum = 0;
4171
4172 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
4173 if((TotalRxBcnNum+TotalRxDataNum) == 0)
4174 {
4175 if( ieee->eRFPowerState == eRfOff)
4176 RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
4177 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
4178 // Dot11d_Reset(dev);
4179 ieee->state = IEEE80211_ASSOCIATING;
4180 notify_wx_assoc_event(priv->ieee80211);
4181 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
4182 ieee->is_roaming = true;
4183 ieee->is_set_key = false;
4184 ieee->link_change(dev);
4185 queue_work(ieee->wq, &ieee->associate_procedure_wq);
4186 }
4187 }
4188 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
4189 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
4190
4191 }
4192 //check if reset the driver
4193 spin_lock_irqsave(&priv->tx_lock,flags);
4194 if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming &&
4195 priv->watchdog_last_time != 1)
4196 {
4197 ResetType = rtl819x_ifcheck_resetornot(dev);
4198 priv->watchdog_check_reset_cnt = 3;
4199 }
4200 spin_unlock_irqrestore(&priv->tx_lock,flags);
4201 if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
4202 {
4203 priv->ResetProgress = RESET_TYPE_NORMAL;
4204 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
4205 return;
4206 }
4207 /* disable silent reset temply 2008.9.11*/
4208
4209 if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
4210 {
4211 priv->watchdog_last_time = 1;
4212 rtl819x_ifsilentreset(dev);
4213 }
4214 else
4215 priv->watchdog_last_time = 0;
4216
4217 priv->force_reset = false;
4218 priv->bForcedSilentReset = false;
4219 priv->bResetInProgress = false;
4220 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
4221
4222 }
4223
4224 void watch_dog_timer_callback(unsigned long data)
4225 {
4226 struct r8192_priv *priv = ieee80211_priv((struct net_device *) data);
4227 queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
4228 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
4229
4230 }
4231
4232 static int _rtl8192_up(struct net_device *dev)
4233 {
4234 struct r8192_priv *priv = ieee80211_priv(dev);
4235 //int i;
4236 RT_STATUS init_status = RT_STATUS_SUCCESS;
4237 priv->up=1;
4238 priv->ieee80211->ieee_up=1;
4239 priv->bdisable_nic = false; //YJ,add,091111
4240 RT_TRACE(COMP_INIT, "Bringing up iface");
4241
4242 init_status = rtl8192_adapter_start(dev);
4243 if(init_status != RT_STATUS_SUCCESS)
4244 {
4245 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
4246 return -1;
4247 }
4248 RT_TRACE(COMP_INIT, "start adapter finished\n");
4249 #ifdef RTL8192E
4250 if(priv->ieee80211->eRFPowerState!=eRfOn)
4251 MgntActSet_RF_State(dev, eRfOn, priv->ieee80211->RfOffReason);
4252 #endif
4253 if(priv->ieee80211->state != IEEE80211_LINKED)
4254 ieee80211_softmac_start_protocol(priv->ieee80211);
4255 ieee80211_reset_queue(priv->ieee80211);
4256 watch_dog_timer_callback((unsigned long) dev);
4257 if(!netif_queue_stopped(dev))
4258 netif_start_queue(dev);
4259 else
4260 netif_wake_queue(dev);
4261
4262 return 0;
4263 }
4264
4265
4266 static int rtl8192_open(struct net_device *dev)
4267 {
4268 struct r8192_priv *priv = ieee80211_priv(dev);
4269 int ret;
4270
4271 down(&priv->wx_sem);
4272 ret = rtl8192_up(dev);
4273 up(&priv->wx_sem);
4274 return ret;
4275
4276 }
4277
4278
4279 int rtl8192_up(struct net_device *dev)
4280 {
4281 struct r8192_priv *priv = ieee80211_priv(dev);
4282
4283 if (priv->up == 1) return -1;
4284
4285 return _rtl8192_up(dev);
4286 }
4287
4288
4289 static int rtl8192_close(struct net_device *dev)
4290 {
4291 struct r8192_priv *priv = ieee80211_priv(dev);
4292 int ret;
4293
4294 down(&priv->wx_sem);
4295
4296 ret = rtl8192_down(dev);
4297
4298 up(&priv->wx_sem);
4299
4300 return ret;
4301
4302 }
4303
4304 int rtl8192_down(struct net_device *dev)
4305 {
4306 struct r8192_priv *priv = ieee80211_priv(dev);
4307
4308 if (priv->up == 0) return -1;
4309
4310 #ifdef ENABLE_LPS
4311 //LZM for PS-Poll AID issue. 090429
4312 if(priv->ieee80211->state == IEEE80211_LINKED)
4313 LeisurePSLeave(dev);
4314 #endif
4315
4316 priv->up=0;
4317 priv->ieee80211->ieee_up = 0;
4318 RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
4319 /* FIXME */
4320 if (!netif_queue_stopped(dev))
4321 netif_stop_queue(dev);
4322
4323 rtl8192_irq_disable(dev);
4324 rtl8192_cancel_deferred_work(priv);
4325 deinit_hal_dm(dev);
4326 del_timer_sync(&priv->watch_dog_timer);
4327
4328 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
4329
4330 rtl8192_halt_adapter(dev,false);
4331 memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
4332
4333 RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
4334
4335 return 0;
4336 }
4337
4338
4339 void rtl8192_commit(struct net_device *dev)
4340 {
4341 struct r8192_priv *priv = ieee80211_priv(dev);
4342
4343 if (priv->up == 0) return ;
4344
4345
4346 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
4347
4348 rtl8192_irq_disable(dev);
4349 rtl8192_halt_adapter(dev,true);
4350 _rtl8192_up(dev);
4351 }
4352
4353 static void rtl8192_restart(struct work_struct *work)
4354 {
4355 struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
4356 struct net_device *dev = priv->ieee80211->dev;
4357
4358 down(&priv->wx_sem);
4359
4360 rtl8192_commit(dev);
4361
4362 up(&priv->wx_sem);
4363 }
4364
4365 static void r8192_set_multicast(struct net_device *dev)
4366 {
4367 struct r8192_priv *priv = ieee80211_priv(dev);
4368 short promisc;
4369
4370 //down(&priv->wx_sem);
4371
4372 /* FIXME FIXME */
4373
4374 promisc = (dev->flags & IFF_PROMISC) ? 1:0;
4375
4376 if (promisc != priv->promisc) {
4377 ;
4378 // rtl8192_commit(dev);
4379 }
4380
4381 priv->promisc = promisc;
4382
4383 //schedule_work(&priv->reset_wq);
4384 //up(&priv->wx_sem);
4385 }
4386
4387
4388 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
4389 {
4390 struct r8192_priv *priv = ieee80211_priv(dev);
4391 struct sockaddr *addr = mac;
4392
4393 down(&priv->wx_sem);
4394
4395 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
4396
4397 schedule_work(&priv->reset_wq);
4398 up(&priv->wx_sem);
4399
4400 return 0;
4401 }
4402
4403 /* based on ipw2200 driver */
4404 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
4405 {
4406 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4407 struct iwreq *wrq = (struct iwreq *)rq;
4408 int ret=-1;
4409 struct ieee80211_device *ieee = priv->ieee80211;
4410 u32 key[4];
4411 u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
4412 struct iw_point *p = &wrq->u.data;
4413 struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
4414
4415 down(&priv->wx_sem);
4416
4417
4418 if (p->length < sizeof(struct ieee_param) || !p->pointer){
4419 ret = -EINVAL;
4420 goto out;
4421 }
4422
4423 ipw = kmalloc(p->length, GFP_KERNEL);
4424 if (ipw == NULL){
4425 ret = -ENOMEM;
4426 goto out;
4427 }
4428 if (copy_from_user(ipw, p->pointer, p->length)) {
4429 kfree(ipw);
4430 ret = -EFAULT;
4431 goto out;
4432 }
4433
4434 switch (cmd) {
4435 case RTL_IOCTL_WPA_SUPPLICANT:
4436 //parse here for HW security
4437 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
4438 {
4439 if (ipw->u.crypt.set_tx)
4440 {
4441 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
4442 ieee->pairwise_key_type = KEY_TYPE_CCMP;
4443 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
4444 ieee->pairwise_key_type = KEY_TYPE_TKIP;
4445 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
4446 {
4447 if (ipw->u.crypt.key_len == 13)
4448 ieee->pairwise_key_type = KEY_TYPE_WEP104;
4449 else if (ipw->u.crypt.key_len == 5)
4450 ieee->pairwise_key_type = KEY_TYPE_WEP40;
4451 }
4452 else
4453 ieee->pairwise_key_type = KEY_TYPE_NA;
4454
4455 if (ieee->pairwise_key_type)
4456 {
4457 memcpy((u8*)key, ipw->u.crypt.key, 16);
4458 EnableHWSecurityConfig8192(dev);
4459 //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!
4460 //added by WB.
4461 setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
4462 if (ieee->auth_mode != 2) //LEAP WEP will never set this.
4463 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
4464 }
4465 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && ieee->pHTInfo->bCurrentHTSupport){
4466 write_nic_byte(dev, 0x173, 1); //fix aes bug
4467 }
4468
4469 }
4470 else //if (ipw->u.crypt.idx) //group key use idx > 0
4471 {
4472 memcpy((u8*)key, ipw->u.crypt.key, 16);
4473 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
4474 ieee->group_key_type= KEY_TYPE_CCMP;
4475 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
4476 ieee->group_key_type = KEY_TYPE_TKIP;
4477 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
4478 {
4479 if (ipw->u.crypt.key_len == 13)
4480 ieee->group_key_type = KEY_TYPE_WEP104;
4481 else if (ipw->u.crypt.key_len == 5)
4482 ieee->group_key_type = KEY_TYPE_WEP40;
4483 }
4484 else
4485 ieee->group_key_type = KEY_TYPE_NA;
4486
4487 if (ieee->group_key_type)
4488 {
4489 setKey( dev,
4490 ipw->u.crypt.idx,
4491 ipw->u.crypt.idx, //KeyIndex
4492 ieee->group_key_type, //KeyType
4493 broadcast_addr, //MacAddr
4494 0, //DefaultKey
4495 key); //KeyContent
4496 }
4497 }
4498 }
4499 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
4500 break;
4501
4502 default:
4503 ret = -EOPNOTSUPP;
4504 break;
4505 }
4506
4507 kfree(ipw);
4508 out:
4509 up(&priv->wx_sem);
4510
4511 return ret;
4512 }
4513
4514 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
4515 {
4516 u8 ret_rate = 0x02;
4517
4518 if(!bIsHT) {
4519 switch(rate) {
4520 case DESC90_RATE1M: ret_rate = MGN_1M; break;
4521 case DESC90_RATE2M: ret_rate = MGN_2M; break;
4522 case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break;
4523 case DESC90_RATE11M: ret_rate = MGN_11M; break;
4524 case DESC90_RATE6M: ret_rate = MGN_6M; break;
4525 case DESC90_RATE9M: ret_rate = MGN_9M; break;
4526 case DESC90_RATE12M: ret_rate = MGN_12M; break;
4527 case DESC90_RATE18M: ret_rate = MGN_18M; break;
4528 case DESC90_RATE24M: ret_rate = MGN_24M; break;
4529 case DESC90_RATE36M: ret_rate = MGN_36M; break;
4530 case DESC90_RATE48M: ret_rate = MGN_48M; break;
4531 case DESC90_RATE54M: ret_rate = MGN_54M; break;
4532
4533 default:
4534 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
4535 break;
4536 }
4537
4538 } else {
4539 switch(rate) {
4540 case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break;
4541 case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break;
4542 case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break;
4543 case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break;
4544 case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break;
4545 case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break;
4546 case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break;
4547 case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break;
4548 case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break;
4549 case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break;
4550 case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break;
4551 case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break;
4552 case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break;
4553 case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break;
4554 case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break;
4555 case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break;
4556 case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break;
4557
4558 default:
4559 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
4560 break;
4561 }
4562 }
4563
4564 return ret_rate;
4565 }
4566
4567 /* Record the TSF time stamp when receiving a packet */
4568 static void UpdateRxPktTimeStamp8190 (struct net_device *dev, struct ieee80211_rx_stats *stats)
4569 {
4570 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4571
4572 if(stats->bIsAMPDU && !stats->bFirstMPDU) {
4573 stats->mac_time[0] = priv->LastRxDescTSFLow;
4574 stats->mac_time[1] = priv->LastRxDescTSFHigh;
4575 } else {
4576 priv->LastRxDescTSFLow = stats->mac_time[0];
4577 priv->LastRxDescTSFHigh = stats->mac_time[1];
4578 }
4579 }
4580
4581 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
4582 {
4583 long signal_power; // in dBm.
4584
4585 // Translate to dBm (x=0.5y-95).
4586 signal_power = (long)((signal_strength_index + 1) >> 1);
4587 signal_power -= 95;
4588
4589 return signal_power;
4590 }
4591
4592 static void
4593 rtl8190_process_cck_rxpathsel(
4594 struct r8192_priv * priv,
4595 struct ieee80211_rx_stats * pprevious_stats
4596 )
4597 {
4598 #ifdef RTL8190P //Only 90P 2T4R need to check
4599 char last_cck_adc_pwdb[4]={0,0,0,0};
4600 u8 i;
4601 //cosa add for Rx path selection
4602 if(priv->rf_type == RF_2T4R && DM_RxPathSelTable.Enable)
4603 {
4604 if(pprevious_stats->bIsCCK &&
4605 (pprevious_stats->bPacketToSelf ||pprevious_stats->bPacketBeacon))
4606 {
4607 /* record the cck adc_pwdb to the sliding window. */
4608 if(priv->stats.cck_adc_pwdb.TotalNum++ >= PHY_RSSI_SLID_WIN_MAX)
4609 {
4610 priv->stats.cck_adc_pwdb.TotalNum = PHY_RSSI_SLID_WIN_MAX;
4611 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4612 {
4613 last_cck_adc_pwdb[i] = priv->stats.cck_adc_pwdb.elements[i][priv->stats.cck_adc_pwdb.index];
4614 priv->stats.cck_adc_pwdb.TotalVal[i] -= last_cck_adc_pwdb[i];
4615 }
4616 }
4617 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4618 {
4619 priv->stats.cck_adc_pwdb.TotalVal[i] += pprevious_stats->cck_adc_pwdb[i];
4620 priv->stats.cck_adc_pwdb.elements[i][priv->stats.cck_adc_pwdb.index] = pprevious_stats->cck_adc_pwdb[i];
4621 }
4622 priv->stats.cck_adc_pwdb.index++;
4623 if(priv->stats.cck_adc_pwdb.index >= PHY_RSSI_SLID_WIN_MAX)
4624 priv->stats.cck_adc_pwdb.index = 0;
4625
4626 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4627 {
4628 DM_RxPathSelTable.cck_pwdb_sta[i] = priv->stats.cck_adc_pwdb.TotalVal[i]/priv->stats.cck_adc_pwdb.TotalNum;
4629 }
4630
4631 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4632 {
4633 if(pprevious_stats->cck_adc_pwdb[i] > (char)priv->undecorated_smoothed_cck_adc_pwdb[i])
4634 {
4635 priv->undecorated_smoothed_cck_adc_pwdb[i] =
4636 ( (priv->undecorated_smoothed_cck_adc_pwdb[i]*(Rx_Smooth_Factor-1)) +
4637 (pprevious_stats->cck_adc_pwdb[i])) /(Rx_Smooth_Factor);
4638 priv->undecorated_smoothed_cck_adc_pwdb[i] = priv->undecorated_smoothed_cck_adc_pwdb[i] + 1;
4639 }
4640 else
4641 {
4642 priv->undecorated_smoothed_cck_adc_pwdb[i] =
4643 ( (priv->undecorated_smoothed_cck_adc_pwdb[i]*(Rx_Smooth_Factor-1)) +
4644 (pprevious_stats->cck_adc_pwdb[i])) /(Rx_Smooth_Factor);
4645 }
4646 }
4647 }
4648 }
4649 #endif
4650 }
4651
4652
4653 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
4654 be a local static. Otherwise, it may increase when we return from S3/S4. The
4655 value will be kept in memory or disk. We must delcare the value in adapter
4656 and it will be reinitialized when return from S3/S4. */
4657 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
4658 {
4659 bool bcheck = false;
4660 u8 rfpath;
4661 u32 nspatial_stream, tmp_val;
4662 //u8 i;
4663 static u32 slide_rssi_index=0, slide_rssi_statistics=0;
4664 static u32 slide_evm_index=0, slide_evm_statistics=0;
4665 static u32 last_rssi=0, last_evm=0;
4666 //cosa add for rx path selection
4667 // static long slide_cck_adc_pwdb_index=0, slide_cck_adc_pwdb_statistics=0;
4668 // static char last_cck_adc_pwdb[4]={0,0,0,0};
4669 //cosa add for beacon rssi smoothing
4670 static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
4671 static u32 last_beacon_adc_pwdb=0;
4672
4673 struct ieee80211_hdr_3addr *hdr;
4674 u16 sc ;
4675 unsigned int frag,seq;
4676 hdr = (struct ieee80211_hdr_3addr *)buffer;
4677 sc = le16_to_cpu(hdr->seq_ctl);
4678 frag = WLAN_GET_SEQ_FRAG(sc);
4679 seq = WLAN_GET_SEQ_SEQ(sc);
4680 //cosa add 04292008 to record the sequence number
4681 pcurrent_stats->Seq_Num = seq;
4682 //
4683 // Check whether we should take the previous packet into accounting
4684 //
4685 if(!pprevious_stats->bIsAMPDU)
4686 {
4687 // if previous packet is not aggregated packet
4688 bcheck = true;
4689 }
4690
4691 if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
4692 {
4693 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
4694 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
4695 priv->stats.slide_rssi_total -= last_rssi;
4696 }
4697 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
4698
4699 priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
4700 if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
4701 slide_rssi_index = 0;
4702
4703 // <1> Showed on UI for user, in dbm
4704 tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
4705 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4706 pcurrent_stats->rssi = priv->stats.signal_strength;
4707 //
4708 // If the previous packet does not match the criteria, neglect it
4709 //
4710 if(!pprevious_stats->bPacketMatchBSSID)
4711 {
4712 if(!pprevious_stats->bToSelfBA)
4713 return;
4714 }
4715
4716 if(!bcheck)
4717 return;
4718
4719 rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
4720
4721 // <2> Showed on UI for engineering
4722 // hardware does not provide rssi information for each rf path in CCK
4723 if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
4724 {
4725 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
4726 {
4727 if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, rfpath))
4728 continue;
4729 RT_TRACE(COMP_DBG,"Jacken -> pPreviousstats->RxMIMOSignalStrength[rfpath] = %d \n" ,pprevious_stats->RxMIMOSignalStrength[rfpath] );
4730 //Fixed by Jacken 2008-03-20
4731 if(priv->stats.rx_rssi_percentage[rfpath] == 0)
4732 {
4733 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
4734 }
4735 if(pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath])
4736 {
4737 priv->stats.rx_rssi_percentage[rfpath] =
4738 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
4739 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
4740 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
4741 }
4742 else
4743 {
4744 priv->stats.rx_rssi_percentage[rfpath] =
4745 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
4746 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
4747 }
4748 RT_TRACE(COMP_DBG,"Jacken -> priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" ,priv->stats.rx_rssi_percentage[rfpath] );
4749 }
4750 }
4751
4752
4753 //
4754 // Check PWDB.
4755 //
4756 //cosa add for beacon rssi smoothing by average.
4757 if(pprevious_stats->bPacketBeacon)
4758 {
4759 /* record the beacon pwdb to the sliding window. */
4760 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4761 {
4762 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4763 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4764 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4765 // slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
4766 }
4767 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4768 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4769 slide_beacon_adc_pwdb_index++;
4770 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4771 slide_beacon_adc_pwdb_index = 0;
4772 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
4773 if(pprevious_stats->RxPWDBAll >= 3)
4774 pprevious_stats->RxPWDBAll -= 3;
4775 }
4776
4777 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4778 pprevious_stats->bIsCCK? "CCK": "OFDM",
4779 pprevious_stats->RxPWDBAll);
4780
4781 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
4782 {
4783 if(priv->undecorated_smoothed_pwdb < 0) // initialize
4784 {
4785 priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
4786 }
4787
4788 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
4789 {
4790 priv->undecorated_smoothed_pwdb =
4791 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
4792 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
4793 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4794 }
4795 else
4796 {
4797 priv->undecorated_smoothed_pwdb =
4798 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
4799 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
4800 }
4801 }
4802
4803 //
4804 // Check EVM
4805 //
4806 /* record the general EVM to the sliding window. */
4807 if(pprevious_stats->SignalQuality == 0)
4808 {
4809 }
4810 else
4811 {
4812 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
4813 if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
4814 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4815 last_evm = priv->stats.slide_evm[slide_evm_index];
4816 priv->stats.slide_evm_total -= last_evm;
4817 }
4818
4819 priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
4820
4821 priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
4822 if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4823 slide_evm_index = 0;
4824
4825 // <1> Showed on UI for user, in percentage.
4826 tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
4827 //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
4828 }
4829
4830 // <2> Showed on UI for engineering
4831 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
4832 {
4833 for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
4834 {
4835 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
4836 {
4837 if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
4838 {
4839 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4840 }
4841 priv->stats.rx_evm_percentage[nspatial_stream] =
4842 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
4843 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
4844 }
4845 }
4846 }
4847 }
4848
4849 }
4850
4851 static u8 rtl819x_query_rxpwrpercentage(
4852 char antpower
4853 )
4854 {
4855 if ((antpower <= -100) || (antpower >= 20))
4856 {
4857 return 0;
4858 }
4859 else if (antpower >= 0)
4860 {
4861 return 100;
4862 }
4863 else
4864 {
4865 return (100+antpower);
4866 }
4867
4868 }
4869
4870 static u8
4871 rtl819x_evm_dbtopercentage(
4872 char value
4873 )
4874 {
4875 char ret_val;
4876
4877 ret_val = value;
4878
4879 if(ret_val >= 0)
4880 ret_val = 0;
4881 if(ret_val <= -33)
4882 ret_val = -33;
4883 ret_val = 0 - ret_val;
4884 ret_val*=3;
4885 if(ret_val == 99)
4886 ret_val = 100;
4887 return ret_val;
4888 }
4889
4890 /* We want good-looking for signal strength/quality */
4891 static long rtl819x_signal_scale_mapping(long currsig)
4892 {
4893 long retsig;
4894
4895 // Step 1. Scale mapping.
4896 if(currsig >= 61 && currsig <= 100)
4897 {
4898 retsig = 90 + ((currsig - 60) / 4);
4899 }
4900 else if(currsig >= 41 && currsig <= 60)
4901 {
4902 retsig = 78 + ((currsig - 40) / 2);
4903 }
4904 else if(currsig >= 31 && currsig <= 40)
4905 {
4906 retsig = 66 + (currsig - 30);
4907 }
4908 else if(currsig >= 21 && currsig <= 30)
4909 {
4910 retsig = 54 + (currsig - 20);
4911 }
4912 else if(currsig >= 5 && currsig <= 20)
4913 {
4914 retsig = 42 + (((currsig - 5) * 2) / 3);
4915 }
4916 else if(currsig == 4)
4917 {
4918 retsig = 36;
4919 }
4920 else if(currsig == 3)
4921 {
4922 retsig = 27;
4923 }
4924 else if(currsig == 2)
4925 {
4926 retsig = 18;
4927 }
4928 else if(currsig == 1)
4929 {
4930 retsig = 9;
4931 }
4932 else
4933 {
4934 retsig = currsig;
4935 }
4936
4937 return retsig;
4938 }
4939
4940 static void rtl8192_query_rxphystatus(
4941 struct r8192_priv * priv,
4942 struct ieee80211_rx_stats * pstats,
4943 prx_desc_819x_pci pdesc,
4944 prx_fwinfo_819x_pci pdrvinfo,
4945 struct ieee80211_rx_stats * precord_stats,
4946 bool bpacket_match_bssid,
4947 bool bpacket_toself,
4948 bool bPacketBeacon,
4949 bool bToSelfBA
4950 )
4951 {
4952 //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status);
4953 phy_sts_ofdm_819xpci_t* pofdm_buf;
4954 phy_sts_cck_819xpci_t * pcck_buf;
4955 phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
4956 u8 *prxpkt;
4957 u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4958 char rx_pwr[4], rx_pwr_all=0;
4959 //long rx_avg_pwr = 0;
4960 char rx_snrX, rx_evmX;
4961 u8 evm, pwdb_all;
4962 u32 RSSI, total_rssi=0;//, total_evm=0;
4963 // long signal_strength_index = 0;
4964 u8 is_cck_rate=0;
4965 u8 rf_rx_num = 0;
4966
4967 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4968
4969 // Record it for next packet processing
4970 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4971 pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4972 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4973 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
4974 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4975 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4976 /*2007.08.30 requested by SD3 Jerry */
4977 if (priv->phy_check_reg824 == 0)
4978 {
4979 priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv->ieee80211->dev, rFPGA0_XA_HSSIParameter2, 0x200);
4980 priv->phy_check_reg824 = 1;
4981 }
4982
4983
4984 prxpkt = (u8*)pdrvinfo;
4985
4986 /* Move pointer to the 16th bytes. Phy status start address. */
4987 prxpkt += sizeof(rx_fwinfo_819x_pci);
4988
4989 /* Initial the cck and ofdm buffer pointer */
4990 pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
4991 pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
4992
4993 pstats->RxMIMOSignalQuality[0] = -1;
4994 pstats->RxMIMOSignalQuality[1] = -1;
4995 precord_stats->RxMIMOSignalQuality[0] = -1;
4996 precord_stats->RxMIMOSignalQuality[1] = -1;
4997
4998 if(is_cck_rate)
4999 {
5000 //
5001 // (1)Hardware does not provide RSSI for CCK
5002 //
5003
5004 //
5005 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
5006 //
5007 u8 report;//, cck_agc_rpt;
5008 #ifdef RTL8190P
5009 u8 tmp_pwdb;
5010 char cck_adc_pwdb[4];
5011 #endif
5012
5013 #ifdef RTL8190P //Only 90P 2T4R need to check
5014 if(priv->rf_type == RF_2T4R && DM_RxPathSelTable.Enable && bpacket_match_bssid)
5015 {
5016 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
5017 {
5018 tmp_pwdb = pcck_buf->adc_pwdb_X[i];
5019 cck_adc_pwdb[i] = (char)tmp_pwdb;
5020 cck_adc_pwdb[i] /= 2;
5021 pstats->cck_adc_pwdb[i] = precord_stats->cck_adc_pwdb[i] = cck_adc_pwdb[i];
5022 }
5023 }
5024 #endif
5025
5026 if (!priv->phy_reg824_bit9)
5027 {
5028 report = pcck_buf->cck_agc_rpt & 0xc0;
5029 report = report>>6;
5030 switch(report)
5031 {
5032 //Fixed by Jacken from Bryant 2008-03-20
5033 //Original value is -38 , -26 , -14 , -2
5034 //Fixed value is -35 , -23 , -11 , 6
5035 case 0x3:
5036 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
5037 break;
5038 case 0x2:
5039 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
5040 break;
5041 case 0x1:
5042 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
5043 break;
5044 case 0x0:
5045 rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
5046 break;
5047 }
5048 }
5049 else
5050 {
5051 report = pcck_buf->cck_agc_rpt & 0x60;
5052 report = report>>5;
5053 switch(report)
5054 {
5055 case 0x3:
5056 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
5057 break;
5058 case 0x2:
5059 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
5060 break;
5061 case 0x1:
5062 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
5063 break;
5064 case 0x0:
5065 rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
5066 break;
5067 }
5068 }
5069
5070 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
5071 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
5072 pstats->RecvSignalPower = rx_pwr_all;
5073
5074 //
5075 // (3) Get Signal Quality (EVM)
5076 //
5077 if(bpacket_match_bssid)
5078 {
5079 u8 sq;
5080
5081 if(pstats->RxPWDBAll > 40)
5082 {
5083 sq = 100;
5084 }else
5085 {
5086 sq = pcck_buf->sq_rpt;
5087
5088 if(pcck_buf->sq_rpt > 64)
5089 sq = 0;
5090 else if (pcck_buf->sq_rpt < 20)
5091 sq = 100;
5092 else
5093 sq = ((64-sq) * 100) / 44;
5094 }
5095 pstats->SignalQuality = precord_stats->SignalQuality = sq;
5096 pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
5097 pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
5098 }
5099 }
5100 else
5101 {
5102 //
5103 // (1)Get RSSI for HT rate
5104 //
5105 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
5106 {
5107 // 2008/01/30 MH we will judge RF RX path now.
5108 if (priv->brfpath_rxenable[i])
5109 rf_rx_num++;
5110 //else
5111 //continue;
5112
5113 //Fixed by Jacken from Bryant 2008-03-20
5114 //Original value is 106
5115 #ifdef RTL8190P //Modify by Jacken 2008/03/31
5116 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 106;
5117 #else
5118 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
5119 #endif
5120
5121 //Get Rx snr value in DB
5122 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
5123 rx_snrX = (char)(tmp_rxsnr);
5124 rx_snrX /= 2;
5125
5126 /* Translate DBM to percentage. */
5127 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
5128 if (priv->brfpath_rxenable[i])
5129 total_rssi += RSSI;
5130
5131 /* Record Signal Strength for next packet */
5132 if(bpacket_match_bssid)
5133 {
5134 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
5135 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
5136 }
5137 }
5138
5139
5140 //
5141 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
5142 //
5143 //Fixed by Jacken from Bryant 2008-03-20
5144 //Original value is 106
5145 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
5146 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
5147
5148 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
5149 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
5150 pstats->RecvSignalPower = rx_pwr_all;
5151 //
5152 // (3)EVM of HT rate
5153 //
5154 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
5155 pdrvinfo->RxRate<=DESC90_RATEMCS15)
5156 max_spatial_stream = 2; //both spatial stream make sense
5157 else
5158 max_spatial_stream = 1; //only spatial stream 1 makes sense
5159
5160 for(i=0; i<max_spatial_stream; i++)
5161 {
5162 tmp_rxevm = pofdm_buf->rxevm_X[i];
5163 rx_evmX = (char)(tmp_rxevm);
5164
5165 // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
5166 // fill most significant bit to "zero" when doing shifting operation which may change a negative
5167 // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
5168 rx_evmX /= 2; //dbm
5169
5170 evm = rtl819x_evm_dbtopercentage(rx_evmX);
5171 if(bpacket_match_bssid)
5172 {
5173 if(i==0) // Fill value in RFD, Get the first spatial stream only
5174 pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
5175 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
5176 }
5177 }
5178
5179
5180 /* record rx statistics for debug */
5181 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
5182 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
5183 }
5184
5185 //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
5186 //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
5187 if(is_cck_rate)
5188 {
5189 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
5190
5191 }
5192 else
5193 {
5194 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
5195 // We can judge RX path number now.
5196 if (rf_rx_num != 0)
5197 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
5198 }
5199 }
5200
5201 static void
5202 rtl8192_record_rxdesc_forlateruse(
5203 struct ieee80211_rx_stats * psrc_stats,
5204 struct ieee80211_rx_stats * ptarget_stats
5205 )
5206 {
5207 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
5208 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
5209 //ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
5210 }
5211
5212
5213
5214 static void TranslateRxSignalStuff819xpci(struct net_device *dev,
5215 struct sk_buff *skb,
5216 struct ieee80211_rx_stats * pstats,
5217 prx_desc_819x_pci pdesc,
5218 prx_fwinfo_819x_pci pdrvinfo)
5219 {
5220 // TODO: We must only check packet for current MAC address. Not finish
5221 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5222 bool bpacket_match_bssid, bpacket_toself;
5223 bool bPacketBeacon=false, bToSelfBA=false;
5224 struct ieee80211_hdr_3addr *hdr;
5225 u16 fc,type;
5226
5227 // Get Signal Quality for only RX data queue (but not command queue)
5228
5229 u8* tmp_buf;
5230 u8 *praddr;
5231
5232 /* Get MAC frame start address. */
5233 tmp_buf = skb->data;
5234
5235 hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
5236 fc = le16_to_cpu(hdr->frame_ctl);
5237 type = WLAN_FC_GET_TYPE(fc);
5238 praddr = hdr->addr1;
5239
5240 /* Check if the received packet is acceptabe. */
5241 bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
5242 (!compare_ether_addr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
5243 && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
5244 bpacket_toself = bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr));
5245
5246 if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
5247 {
5248 bPacketBeacon = true;
5249 }
5250 if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
5251 {
5252 if((!compare_ether_addr(praddr,dev->dev_addr)))
5253 bToSelfBA = true;
5254 }
5255
5256 //
5257 // Process PHY information for previous packet (RSSI/PWDB/EVM)
5258 //
5259 // Because phy information is contained in the last packet of AMPDU only, so driver
5260 // should process phy information of previous packet
5261 rtl8192_process_phyinfo(priv, tmp_buf, &priv->previous_stats, pstats);
5262 rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid,
5263 bpacket_toself ,bPacketBeacon, bToSelfBA);
5264 rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats);
5265
5266 }
5267
5268
5269 static void rtl8192_tx_resume(struct net_device *dev)
5270 {
5271 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5272 struct ieee80211_device *ieee = priv->ieee80211;
5273 struct sk_buff *skb;
5274 int queue_index;
5275
5276 for(queue_index = BK_QUEUE; queue_index < TXCMD_QUEUE;queue_index++) {
5277 while((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
5278 (priv->ieee80211->check_nic_enough_desc(dev,queue_index) > 0)) {
5279 /* 1. dequeue the packet from the wait queue */
5280 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
5281 /* 2. tx the packet directly */
5282 ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
5283 }
5284 }
5285 }
5286
5287 static void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
5288 {
5289 rtl8192_tx_resume(priv->ieee80211->dev);
5290 }
5291
5292 /* Record the received data rate */
5293 static void UpdateReceivedRateHistogramStatistics8190(
5294 struct net_device *dev,
5295 struct ieee80211_rx_stats* pstats
5296 )
5297 {
5298 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5299 u32 rcvType=1; //0: Total, 1:OK, 2:CRC, 3:ICV
5300 u32 rateIndex;
5301 u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
5302
5303 if(pstats->bCRC)
5304 rcvType = 2;
5305 else if(pstats->bICV)
5306 rcvType = 3;
5307
5308 if(pstats->bShortPreamble)
5309 preamble_guardinterval = 1;// short
5310 else
5311 preamble_guardinterval = 0;// long
5312
5313 switch(pstats->rate)
5314 {
5315 //
5316 // CCK rate
5317 //
5318 case MGN_1M: rateIndex = 0; break;
5319 case MGN_2M: rateIndex = 1; break;
5320 case MGN_5_5M: rateIndex = 2; break;
5321 case MGN_11M: rateIndex = 3; break;
5322 //
5323 // Legacy OFDM rate
5324 //
5325 case MGN_6M: rateIndex = 4; break;
5326 case MGN_9M: rateIndex = 5; break;
5327 case MGN_12M: rateIndex = 6; break;
5328 case MGN_18M: rateIndex = 7; break;
5329 case MGN_24M: rateIndex = 8; break;
5330 case MGN_36M: rateIndex = 9; break;
5331 case MGN_48M: rateIndex = 10; break;
5332 case MGN_54M: rateIndex = 11; break;
5333 //
5334 // 11n High throughput rate
5335 //
5336 case MGN_MCS0: rateIndex = 12; break;
5337 case MGN_MCS1: rateIndex = 13; break;
5338 case MGN_MCS2: rateIndex = 14; break;
5339 case MGN_MCS3: rateIndex = 15; break;
5340 case MGN_MCS4: rateIndex = 16; break;
5341 case MGN_MCS5: rateIndex = 17; break;
5342 case MGN_MCS6: rateIndex = 18; break;
5343 case MGN_MCS7: rateIndex = 19; break;
5344 case MGN_MCS8: rateIndex = 20; break;
5345 case MGN_MCS9: rateIndex = 21; break;
5346 case MGN_MCS10: rateIndex = 22; break;
5347 case MGN_MCS11: rateIndex = 23; break;
5348 case MGN_MCS12: rateIndex = 24; break;
5349 case MGN_MCS13: rateIndex = 25; break;
5350 case MGN_MCS14: rateIndex = 26; break;
5351 case MGN_MCS15: rateIndex = 27; break;
5352 default: rateIndex = 28; break;
5353 }
5354 priv->stats.received_rate_histogram[0][rateIndex]++; //total
5355 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
5356 }
5357
5358 static void rtl8192_rx(struct net_device *dev)
5359 {
5360 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5361 struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
5362 bool unicast_packet = false;
5363 struct ieee80211_rx_stats stats = {
5364 .signal = 0,
5365 .noise = -98,
5366 .rate = 0,
5367 .freq = IEEE80211_24GHZ_BAND,
5368 };
5369 unsigned int count = priv->rxringcount;
5370
5371 while (count--) {
5372 rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
5373 struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
5374
5375 if (pdesc->OWN){
5376 /* wait data to be filled by hardware */
5377 return;
5378 } else {
5379 stats.bICV = pdesc->ICV;
5380 stats.bCRC = pdesc->CRC32;
5381 stats.bHwError = pdesc->CRC32 | pdesc->ICV;
5382
5383 stats.Length = pdesc->Length;
5384 if(stats.Length < 24)
5385 stats.bHwError |= 1;
5386
5387 if(stats.bHwError) {
5388 stats.bShift = false;
5389 goto done;
5390 } else {
5391 prx_fwinfo_819x_pci pDrvInfo = NULL;
5392 struct sk_buff *new_skb = dev_alloc_skb(priv->rxbuffersize);
5393
5394 if (unlikely(!new_skb)) {
5395 goto done;
5396 }
5397
5398 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
5399 stats.RxBufShift = ((pdesc->Shift)&0x03);
5400 stats.Decrypted = !pdesc->SWDec;
5401
5402 pci_dma_sync_single_for_cpu(priv->pdev,
5403 *((dma_addr_t *)skb->cb),
5404 priv->rxbuffersize,
5405 PCI_DMA_FROMDEVICE);
5406 skb_put(skb, pdesc->Length);
5407 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
5408 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
5409
5410 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
5411 stats.bShortPreamble = pDrvInfo->SPLCP;
5412
5413 /* it is debug only. It should be disabled in released driver.
5414 * 2007.1.11 by Emily
5415 * */
5416 UpdateReceivedRateHistogramStatistics8190(dev, &stats);
5417
5418 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
5419 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
5420
5421 stats.TimeStampLow = pDrvInfo->TSFL;
5422 stats.TimeStampHigh = read_nic_dword(dev, TSFR+4);
5423
5424 UpdateRxPktTimeStamp8190(dev, &stats);
5425
5426 //
5427 // Get Total offset of MPDU Frame Body
5428 //
5429 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
5430 stats.bShift = 1;
5431
5432 stats.RxIs40MHzPacket = pDrvInfo->BW;
5433
5434 /* ???? */
5435 TranslateRxSignalStuff819xpci(dev,skb, &stats, pdesc, pDrvInfo);
5436
5437 /* Rx A-MPDU */
5438 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
5439 RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
5440 pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
5441 skb_trim(skb, skb->len - 4/*sCrcLng*/);
5442 /* rx packets statistics */
5443 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
5444 unicast_packet = false;
5445
5446 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
5447 //TODO
5448 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
5449 //TODO
5450 }else {
5451 /* unicast packet */
5452 unicast_packet = true;
5453 }
5454
5455 stats.packetlength = stats.Length-4;
5456 stats.fraglength = stats.packetlength;
5457 stats.fragoffset = 0;
5458 stats.ntotalfrag = 1;
5459
5460 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
5461 dev_kfree_skb_any(skb);
5462 } else {
5463 priv->stats.rxok++;
5464 if(unicast_packet) {
5465 priv->stats.rxbytesunicast += skb->len;
5466 }
5467 }
5468
5469 pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb),
5470 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
5471
5472 skb = new_skb;
5473 priv->rx_buf[priv->rx_idx] = skb;
5474 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
5475 }
5476
5477 }
5478 done:
5479 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
5480 pdesc->OWN = 1;
5481 pdesc->Length = priv->rxbuffersize;
5482 if (priv->rx_idx == priv->rxringcount-1)
5483 pdesc->EOR = 1;
5484 priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
5485 }
5486
5487 }
5488
5489 static void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
5490 {
5491 rtl8192_rx(priv->ieee80211->dev);
5492 /* unmask RDU */
5493 write_nic_dword(priv->ieee80211->dev, INTA_MASK,read_nic_dword(priv->ieee80211->dev, INTA_MASK) | IMR_RDU);
5494 }
5495
5496 static const struct net_device_ops rtl8192_netdev_ops = {
5497 .ndo_open = rtl8192_open,
5498 .ndo_stop = rtl8192_close,
5499 .ndo_tx_timeout = tx_timeout,
5500 .ndo_do_ioctl = rtl8192_ioctl,
5501 .ndo_set_multicast_list = r8192_set_multicast,
5502 .ndo_set_mac_address = r8192_set_mac_adr,
5503 .ndo_start_xmit = ieee80211_rtl_xmit,
5504 };
5505
5506 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
5507 const struct pci_device_id *id)
5508 {
5509 unsigned long ioaddr = 0;
5510 struct net_device *dev = NULL;
5511 struct r8192_priv *priv= NULL;
5512 u8 unit = 0;
5513 int ret = -ENODEV;
5514
5515 #ifdef CONFIG_RTL8192_IO_MAP
5516 unsigned long pio_start, pio_len, pio_flags;
5517 #else
5518 unsigned long pmem_start, pmem_len, pmem_flags;
5519 #endif //end #ifdef RTL_IO_MAP
5520
5521 RT_TRACE(COMP_INIT,"Configuring chip resources");
5522
5523 if( pci_enable_device (pdev) ){
5524 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
5525 return -EIO;
5526 }
5527
5528 pci_set_master(pdev);
5529 //pci_set_wmi(pdev);
5530 pci_set_dma_mask(pdev, 0xffffff00ULL);
5531 pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
5532 dev = alloc_ieee80211(sizeof(struct r8192_priv));
5533 if (!dev) {
5534 ret = -ENOMEM;
5535 goto fail_free;
5536 }
5537
5538 pci_set_drvdata(pdev, dev);
5539 SET_NETDEV_DEV(dev, &pdev->dev);
5540 priv = ieee80211_priv(dev);
5541 priv->ieee80211 = netdev_priv(dev);
5542 priv->pdev=pdev;
5543 if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
5544 priv->ieee80211->bSupportRemoteWakeUp = 1;
5545 } else
5546 {
5547 priv->ieee80211->bSupportRemoteWakeUp = 0;
5548 }
5549
5550 #ifdef CONFIG_RTL8192_IO_MAP
5551
5552 pio_start = (unsigned long)pci_resource_start (pdev, 0);
5553 pio_len = (unsigned long)pci_resource_len (pdev, 0);
5554 pio_flags = (unsigned long)pci_resource_flags (pdev, 0);
5555
5556 if (!(pio_flags & IORESOURCE_IO)) {
5557 RT_TRACE(COMP_ERR,"region #0 not a PIO resource, aborting");
5558 goto fail;
5559 }
5560
5561 //DMESG("IO space @ 0x%08lx", pio_start );
5562 if( ! request_region( pio_start, pio_len, RTL819xE_MODULE_NAME ) ){
5563 RT_TRACE(COMP_ERR,"request_region failed!");
5564 goto fail;
5565 }
5566
5567 ioaddr = pio_start;
5568 dev->base_addr = ioaddr; // device I/O address
5569
5570 #else
5571
5572 pmem_start = pci_resource_start(pdev, 1);
5573 pmem_len = pci_resource_len(pdev, 1);
5574 pmem_flags = pci_resource_flags (pdev, 1);
5575
5576 if (!(pmem_flags & IORESOURCE_MEM)) {
5577 RT_TRACE(COMP_ERR,"region #1 not a MMIO resource, aborting");
5578 goto fail;
5579 }
5580
5581 //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
5582 if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
5583 RT_TRACE(COMP_ERR,"request_mem_region failed!");
5584 goto fail;
5585 }
5586
5587
5588 ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
5589 if( ioaddr == (unsigned long)NULL ){
5590 RT_TRACE(COMP_ERR,"ioremap failed!");
5591 // release_mem_region( pmem_start, pmem_len );
5592 goto fail1;
5593 }
5594
5595 dev->mem_start = ioaddr; // shared mem start
5596 dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end
5597
5598 #endif //end #ifdef RTL_IO_MAP
5599
5600 /* We disable the RETRY_TIMEOUT register (0x41) to keep
5601 * PCI Tx retries from interfering with C3 CPU state */
5602 pci_write_config_byte(pdev, 0x41, 0x00);
5603
5604
5605 pci_read_config_byte(pdev, 0x05, &unit);
5606 pci_write_config_byte(pdev, 0x05, unit & (~0x04));
5607
5608 dev->irq = pdev->irq;
5609 priv->irq = 0;
5610
5611 dev->netdev_ops = &rtl8192_netdev_ops;
5612
5613 dev->wireless_handlers = &r8192_wx_handlers_def;
5614 dev->type=ARPHRD_ETHER;
5615
5616 dev->watchdog_timeo = HZ*3;
5617
5618 if (dev_alloc_name(dev, ifname) < 0){
5619 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
5620 strcpy(ifname, "wlan%d");
5621 dev_alloc_name(dev, ifname);
5622 }
5623
5624 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
5625 if(rtl8192_init(dev)!=0){
5626 RT_TRACE(COMP_ERR, "Initialization failed");
5627 goto fail;
5628 }
5629
5630 register_netdev(dev);
5631 RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
5632 rtl8192_proc_init_one(dev);
5633
5634
5635 RT_TRACE(COMP_INIT, "Driver probe completed\n");
5636 return 0;
5637
5638 fail1:
5639
5640 #ifdef CONFIG_RTL8180_IO_MAP
5641
5642 if( dev->base_addr != 0 ){
5643
5644 release_region(dev->base_addr,
5645 pci_resource_len(pdev, 0) );
5646 }
5647 #else
5648 if( dev->mem_start != (unsigned long)NULL ){
5649 iounmap( (void *)dev->mem_start );
5650 release_mem_region( pci_resource_start(pdev, 1),
5651 pci_resource_len(pdev, 1) );
5652 }
5653 #endif //end #ifdef RTL_IO_MAP
5654
5655 fail:
5656 if(dev){
5657
5658 if (priv->irq) {
5659 free_irq(dev->irq, dev);
5660 dev->irq=0;
5661 }
5662 free_ieee80211(dev);
5663 }
5664
5665 fail_free:
5666 pci_disable_device(pdev);
5667
5668 DMESG("wlan driver load failed\n");
5669 pci_set_drvdata(pdev, NULL);
5670 return ret;
5671
5672 }
5673
5674 /* detach all the work and timer structure declared or inititialized
5675 * in r8192_init function.
5676 * */
5677 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
5678 {
5679 /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
5680 * is or is newer than 2.6.20 and work structure is defined to be struct work_struct.
5681 * Otherwise call cancel_delayed_work is enough.
5682 * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
5683 * */
5684 cancel_delayed_work(&priv->watch_dog_wq);
5685 cancel_delayed_work(&priv->update_beacon_wq);
5686 cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
5687 cancel_delayed_work(&priv->ieee80211->hw_sleep_wq);
5688 #ifdef RTL8192E
5689 cancel_delayed_work(&priv->gpio_change_rf_wq);
5690 #endif
5691 cancel_work_sync(&priv->reset_wq);
5692 cancel_work_sync(&priv->qos_activate);
5693 //cancel_work_sync(&priv->SetBWModeWorkItem);
5694 //cancel_work_sync(&priv->SwChnlWorkItem);
5695
5696 }
5697
5698
5699 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
5700 {
5701 struct net_device *dev = pci_get_drvdata(pdev);
5702 struct r8192_priv *priv ;
5703
5704 if(dev){
5705
5706 unregister_netdev(dev);
5707
5708 priv=ieee80211_priv(dev);
5709
5710 rtl8192_proc_remove_one(dev);
5711
5712 rtl8192_down(dev);
5713 if (priv->pFirmware)
5714 {
5715 vfree(priv->pFirmware);
5716 priv->pFirmware = NULL;
5717 }
5718 // priv->rf_close(dev);
5719 // rtl8192_usb_deleteendpoints(dev);
5720 destroy_workqueue(priv->priv_wq);
5721 /* redundant with rtl8192_down */
5722 // rtl8192_irq_disable(dev);
5723 // rtl8192_reset(dev);
5724 // mdelay(10);
5725 {
5726 u32 i;
5727 /* free tx/rx rings */
5728 rtl8192_free_rx_ring(dev);
5729 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
5730 rtl8192_free_tx_ring(dev, i);
5731 }
5732 }
5733 if(priv->irq){
5734
5735 printk("Freeing irq %d\n",dev->irq);
5736 free_irq(dev->irq, dev);
5737 priv->irq=0;
5738
5739 }
5740
5741 #ifdef CONFIG_RTL8180_IO_MAP
5742
5743 if( dev->base_addr != 0 ){
5744
5745 release_region(dev->base_addr,
5746 pci_resource_len(pdev, 0) );
5747 }
5748 #else
5749 if( dev->mem_start != (unsigned long)NULL ){
5750 iounmap( (void *)dev->mem_start );
5751 release_mem_region( pci_resource_start(pdev, 1),
5752 pci_resource_len(pdev, 1) );
5753 }
5754 #endif /*end #ifdef RTL_IO_MAP*/
5755 free_ieee80211(dev);
5756
5757 }
5758
5759 pci_disable_device(pdev);
5760 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5761 }
5762
5763 extern int ieee80211_rtl_init(void);
5764 extern void ieee80211_rtl_exit(void);
5765
5766 static int __init rtl8192_pci_module_init(void)
5767 {
5768 int retval;
5769
5770 retval = ieee80211_rtl_init();
5771 if (retval)
5772 return retval;
5773
5774 printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
5775 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
5776 RT_TRACE(COMP_INIT, "Initializing module");
5777 rtl8192_proc_module_init();
5778 if(0!=pci_register_driver(&rtl8192_pci_driver))
5779 {
5780 DMESG("No device found");
5781 /*pci_unregister_driver (&rtl8192_pci_driver);*/
5782 return -ENODEV;
5783 }
5784 return 0;
5785 }
5786
5787
5788 static void __exit rtl8192_pci_module_exit(void)
5789 {
5790 pci_unregister_driver(&rtl8192_pci_driver);
5791
5792 RT_TRACE(COMP_DOWN, "Exiting");
5793 rtl8192_proc_module_remove();
5794 ieee80211_rtl_exit();
5795 }
5796
5797 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
5798 {
5799 struct net_device *dev = (struct net_device *) netdev;
5800 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5801 unsigned long flags;
5802 u32 inta;
5803 irqreturn_t ret = IRQ_HANDLED;
5804
5805 spin_lock_irqsave(&priv->irq_th_lock, flags);
5806
5807 /* We should return IRQ_NONE, but for now let me keep this */
5808 if (priv->irq_enabled == 0)
5809 goto out_unlock;
5810
5811 /* ISR: 4bytes */
5812
5813 inta = read_nic_dword(dev, ISR); /* & priv->IntrMask; */
5814 write_nic_dword(dev, ISR, inta); /* reset int situation */
5815
5816 if (!inta) {
5817 /*
5818 * most probably we can safely return IRQ_NONE,
5819 * but for now is better to avoid problems
5820 */
5821 goto out_unlock;
5822 }
5823
5824 if (inta == 0xffff) {
5825 /* HW disappared */
5826 goto out_unlock;
5827 }
5828
5829 if (!netif_running(dev))
5830 goto out_unlock;
5831
5832 if (inta & IMR_TBDOK) {
5833 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
5834 rtl8192_tx_isr(dev, BEACON_QUEUE);
5835 priv->stats.txbeaconokint++;
5836 }
5837
5838 if (inta & IMR_TBDER) {
5839 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
5840 rtl8192_tx_isr(dev, BEACON_QUEUE);
5841 priv->stats.txbeaconerr++;
5842 }
5843
5844 if (inta & IMR_MGNTDOK ) {
5845 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
5846 priv->stats.txmanageokint++;
5847 rtl8192_tx_isr(dev,MGNT_QUEUE);
5848 }
5849
5850 if (inta & IMR_COMDOK)
5851 {
5852 priv->stats.txcmdpktokint++;
5853 rtl8192_tx_isr(dev, TXCMD_QUEUE);
5854 }
5855
5856 if (inta & IMR_ROK) {
5857 priv->stats.rxint++;
5858 tasklet_schedule(&priv->irq_rx_tasklet);
5859 }
5860
5861 if (inta & IMR_BcnInt) {
5862 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
5863 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
5864 }
5865
5866 if (inta & IMR_RDU) {
5867 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
5868 priv->stats.rxrdu++;
5869 /* reset int situation */
5870 write_nic_dword(dev, INTA_MASK, read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
5871 tasklet_schedule(&priv->irq_rx_tasklet);
5872 }
5873
5874 if (inta & IMR_RXFOVW) {
5875 RT_TRACE(COMP_INTR, "rx overflow !\n");
5876 priv->stats.rxoverflow++;
5877 tasklet_schedule(&priv->irq_rx_tasklet);
5878 }
5879
5880 if (inta & IMR_TXFOVW)
5881 priv->stats.txoverflow++;
5882
5883 if (inta & IMR_BKDOK) {
5884 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
5885 priv->stats.txbkokint++;
5886 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
5887 rtl8192_tx_isr(dev, BK_QUEUE);
5888 }
5889
5890 if (inta & IMR_BEDOK) {
5891 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
5892 priv->stats.txbeokint++;
5893 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
5894 rtl8192_tx_isr(dev, BE_QUEUE);
5895 }
5896
5897 if (inta & IMR_VIDOK) {
5898 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
5899 priv->stats.txviokint++;
5900 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
5901 rtl8192_tx_isr(dev, VI_QUEUE);
5902 }
5903
5904 if (inta & IMR_VODOK) {
5905 priv->stats.txvookint++;
5906 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
5907 rtl8192_tx_isr(dev, VO_QUEUE);
5908 }
5909
5910 out_unlock:
5911 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
5912
5913 return ret;
5914 }
5915
5916 void EnableHWSecurityConfig8192(struct net_device *dev)
5917 {
5918 u8 SECR_value = 0x0;
5919 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5920 struct ieee80211_device* ieee = priv->ieee80211;
5921
5922 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5923
5924 if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
5925 {
5926 SECR_value |= SCR_RxUseDK;
5927 SECR_value |= SCR_TxUseDK;
5928 }
5929 else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
5930 {
5931 SECR_value |= SCR_RxUseDK;
5932 SECR_value |= SCR_TxUseDK;
5933 }
5934
5935 //add HWSec active enable here.
5936 //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
5937 ieee->hwsec_active = 1;
5938
5939 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
5940 {
5941 ieee->hwsec_active = 0;
5942 SECR_value &= ~SCR_RxDecEnable;
5943 }
5944
5945 RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__,
5946 ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
5947 {
5948 write_nic_byte(dev, SECR, SECR_value);//SECR_value | SCR_UseDK );
5949 }
5950
5951 }
5952 #define TOTAL_CAM_ENTRY 32
5953 //#define CAM_CONTENT_COUNT 8
5954 void setKey( struct net_device *dev,
5955 u8 EntryNo,
5956 u8 KeyIndex,
5957 u16 KeyType,
5958 const u8 *MacAddr,
5959 u8 DefaultKey,
5960 u32 *KeyContent )
5961 {
5962 u32 TargetCommand = 0;
5963 u32 TargetContent = 0;
5964 u16 usConfig = 0;
5965 u8 i;
5966 #ifdef ENABLE_IPS
5967 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5968 RT_RF_POWER_STATE rtState;
5969 rtState = priv->ieee80211->eRFPowerState;
5970 if(priv->ieee80211->PowerSaveControl.bInactivePs){
5971 if(rtState == eRfOff){
5972 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
5973 {
5974 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
5975 //up(&priv->wx_sem);
5976 return ;
5977 }
5978 else{
5979 down(&priv->ieee80211->ips_sem);
5980 IPSLeave(dev);
5981 up(&priv->ieee80211->ips_sem);
5982 }
5983 }
5984 }
5985 priv->ieee80211->is_set_key = true;
5986 #endif
5987 if (EntryNo >= TOTAL_CAM_ENTRY)
5988 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5989
5990 RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr);
5991
5992 if (DefaultKey)
5993 usConfig |= BIT15 | (KeyType<<2);
5994 else
5995 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
5996 // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
5997
5998
5999 for(i=0 ; i<CAM_CONTENT_COUNT; i++){
6000 TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
6001 TargetCommand |= BIT31|BIT16;
6002
6003 if(i==0){//MAC|Config
6004 TargetContent = (u32)(*(MacAddr+0)) << 16|
6005 (u32)(*(MacAddr+1)) << 24|
6006 (u32)usConfig;
6007
6008 write_nic_dword(dev, WCAMI, TargetContent);
6009 write_nic_dword(dev, RWCAM, TargetCommand);
6010 }
6011 else if(i==1){//MAC
6012 TargetContent = (u32)(*(MacAddr+2)) |
6013 (u32)(*(MacAddr+3)) << 8|
6014 (u32)(*(MacAddr+4)) << 16|
6015 (u32)(*(MacAddr+5)) << 24;
6016 write_nic_dword(dev, WCAMI, TargetContent);
6017 write_nic_dword(dev, RWCAM, TargetCommand);
6018 }
6019 else { //Key Material
6020 if(KeyContent != NULL)
6021 {
6022 write_nic_dword(dev, WCAMI, (u32)(*(KeyContent+i-2)) );
6023 write_nic_dword(dev, RWCAM, TargetCommand);
6024 }
6025 }
6026 }
6027 RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
6028 }
6029
6030 bool NicIFEnableNIC(struct net_device* dev)
6031 {
6032 RT_STATUS init_status = RT_STATUS_SUCCESS;
6033 struct r8192_priv* priv = ieee80211_priv(dev);
6034 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
6035
6036 //YJ,add,091109
6037 if (priv->up == 0){
6038 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
6039 priv->bdisable_nic = false; //YJ,add,091111
6040 return false;
6041 }
6042 // <1> Reset memory: descriptor, buffer,..
6043 //NicIFResetMemory(Adapter);
6044
6045 // <2> Enable Adapter
6046 //priv->bfirst_init = true;
6047 init_status = rtl8192_adapter_start(dev);
6048 if (init_status != RT_STATUS_SUCCESS) {
6049 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
6050 priv->bdisable_nic = false; //YJ,add,091111
6051 return -1;
6052 }
6053 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
6054 //priv->bfirst_init = false;
6055
6056 // <3> Enable Interrupt
6057 rtl8192_irq_enable(dev);
6058 priv->bdisable_nic = false;
6059
6060 return (init_status == RT_STATUS_SUCCESS);
6061 }
6062
6063 bool NicIFDisableNIC(struct net_device* dev)
6064 {
6065 bool status = true;
6066 struct r8192_priv* priv = ieee80211_priv(dev);
6067 u8 tmp_state = 0;
6068 // <1> Disable Interrupt
6069
6070 priv->bdisable_nic = true; //YJ,move,091109
6071 tmp_state = priv->ieee80211->state;
6072
6073 ieee80211_softmac_stop_protocol(priv->ieee80211, false);
6074
6075 priv->ieee80211->state = tmp_state;
6076 rtl8192_cancel_deferred_work(priv);
6077 rtl8192_irq_disable(dev);
6078 // <2> Stop all timer
6079
6080 // <3> Disable Adapter
6081 rtl8192_halt_adapter(dev, false);
6082 // priv->bdisable_nic = true;
6083
6084 return status;
6085 }
6086
6087 module_init(rtl8192_pci_module_init);
6088 module_exit(rtl8192_pci_module_exit);
Linux kernel - Deliverables
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