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staging: rtl8192e: Remove unused tx_lock spin lock
[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 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 //#define CONFIG_RTL8192_IO_MAP
28 #include <linux/vmalloc.h>
29 #include <linux/slab.h>
30 #include <asm/uaccess.h>
31 #include "r8192E_hw.h"
32 #include "r8192E.h"
33 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
34 #include "r8180_93cx6.h" /* Card EEPROM */
35 #include "r8192E_wx.h"
36 #include "r819xE_phy.h" //added by WB 4.30.2008
37 #include "r819xE_phyreg.h"
38 #include "r819xE_cmdpkt.h"
39 #include "r8192E_dm.h"
40
41 #ifdef CONFIG_PM
42 #include "r8192_pm.h"
43 #endif
44
45 #ifdef ENABLE_DOT11D
46 #include "ieee80211/dot11d.h"
47 #endif
48
49 //set here to open your trace code. //WB
50 u32 rt_global_debug_component = COMP_ERR ; //always open err flags on
51
52 static DEFINE_PCI_DEVICE_TABLE(rtl8192_pci_id_tbl) = {
53 /* Realtek */
54 { PCI_DEVICE(0x10ec, 0x8192) },
55
56 /* Corega */
57 { PCI_DEVICE(0x07aa, 0x0044) },
58 { PCI_DEVICE(0x07aa, 0x0047) },
59 {}
60 };
61
62 static char ifname[IFNAMSIZ] = "wlan%d";
63 static int hwwep = 1; //default use hw. set 0 to use software security
64 static int channels = 0x3fff;
65
66 MODULE_LICENSE("GPL");
67 MODULE_VERSION("V 1.1");
68 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
69 //MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
70 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
71
72
73 module_param_string(ifname, ifname, sizeof(ifname), S_IRUGO|S_IWUSR);
74 module_param(hwwep,int, S_IRUGO|S_IWUSR);
75 module_param(channels,int, S_IRUGO|S_IWUSR);
76
77 MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
78 MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards");
79 MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
80
81 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
82 const struct pci_device_id *id);
83 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
84
85 static struct pci_driver rtl8192_pci_driver = {
86 .name = RTL819xE_MODULE_NAME, /* Driver name */
87 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
88 .probe = rtl8192_pci_probe, /* probe fn */
89 .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
90 #ifdef CONFIG_PM
91 .suspend = rtl8192E_suspend, /* PM suspend fn */
92 .resume = rtl8192E_resume, /* PM resume fn */
93 #else
94 .suspend = NULL, /* PM suspend fn */
95 .resume = NULL, /* PM resume fn */
96 #endif
97 };
98
99 static void rtl8192_start_beacon(struct net_device *dev);
100 static void rtl8192_stop_beacon(struct net_device *dev);
101 static void rtl819x_watchdog_wqcallback(struct work_struct *work);
102 static void rtl8192_irq_rx_tasklet(unsigned long arg);
103 static void rtl8192_irq_tx_tasklet(unsigned long arg);
104 static void rtl8192_prepare_beacon(unsigned long arg);
105 static irqreturn_t rtl8192_interrupt(int irq, void *netdev);
106 static void rtl819xE_tx_cmd(struct net_device *dev, struct sk_buff *skb);
107 static void rtl8192_update_ratr_table(struct net_device* dev);
108 static void rtl8192_restart(struct work_struct *work);
109 static void watch_dog_timer_callback(unsigned long data);
110 static int _rtl8192_up(struct net_device *dev);
111 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
112
113 #ifdef ENABLE_DOT11D
114
115 typedef struct _CHANNEL_LIST
116 {
117 u8 Channel[32];
118 u8 Len;
119 }CHANNEL_LIST, *PCHANNEL_LIST;
120
121 static const CHANNEL_LIST ChannelPlan[] = {
122 {{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
123 {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC
124 {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI
125 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI.
126 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI.
127 {{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
128 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
129 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel.
130 {{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
131 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC
132 {{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
133 };
134
135 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
136 {
137 int i, max_chan=-1, min_chan=-1;
138 struct ieee80211_device* ieee = priv->ieee80211;
139 switch (channel_plan)
140 {
141 case COUNTRY_CODE_FCC:
142 case COUNTRY_CODE_IC:
143 case COUNTRY_CODE_ETSI:
144 case COUNTRY_CODE_SPAIN:
145 case COUNTRY_CODE_FRANCE:
146 case COUNTRY_CODE_MKK:
147 case COUNTRY_CODE_MKK1:
148 case COUNTRY_CODE_ISRAEL:
149 case COUNTRY_CODE_TELEC:
150 case COUNTRY_CODE_MIC:
151 {
152 Dot11d_Init(ieee);
153 ieee->bGlobalDomain = false;
154 //acturally 8225 & 8256 rf chip only support B,G,24N mode
155 min_chan = 1;
156 max_chan = 14;
157
158 if (ChannelPlan[channel_plan].Len != 0){
159 // Clear old channel map
160 memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
161 // Set new channel map
162 for (i=0;i<ChannelPlan[channel_plan].Len;i++)
163 {
164 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
165 break;
166 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
167 }
168 }
169 break;
170 }
171 case COUNTRY_CODE_GLOBAL_DOMAIN:
172 {
173 GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
174 Dot11d_Reset(ieee);
175 ieee->bGlobalDomain = true;
176 break;
177 }
178 default:
179 break;
180 }
181 }
182 #endif
183
184 static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo)
185 {
186 return (pdrvinfo->RxRate == DESC90_RATE1M ||
187 pdrvinfo->RxRate == DESC90_RATE2M ||
188 pdrvinfo->RxRate == DESC90_RATE5_5M ||
189 pdrvinfo->RxRate == DESC90_RATE11M) &&
190 !pdrvinfo->RxHT;
191 }
192
193 void CamResetAllEntry(struct net_device *dev)
194 {
195 struct r8192_priv* priv = ieee80211_priv(dev);
196 write_nic_dword(priv, RWCAM, BIT31|BIT30);
197 }
198
199 void write_cam(struct r8192_priv *priv, u8 addr, u32 data)
200 {
201 write_nic_dword(priv, WCAMI, data);
202 write_nic_dword(priv, RWCAM, BIT31|BIT16|(addr&0xff) );
203 }
204
205 u32 read_cam(struct r8192_priv *priv, u8 addr)
206 {
207 write_nic_dword(priv, RWCAM, 0x80000000|(addr&0xff) );
208 return read_nic_dword(priv, 0xa8);
209 }
210
211 #ifdef CONFIG_RTL8180_IO_MAP
212
213 u8 read_nic_byte(struct r8192_priv *priv, int x)
214 {
215 struct net_device *dev = priv->ieee80211->dev;
216 return 0xff&inb(dev->base_addr +x);
217 }
218
219 u32 read_nic_dword(struct r8192_priv *priv, int x)
220 {
221 struct net_device *dev = priv->ieee80211->dev;
222 return inl(dev->base_addr +x);
223 }
224
225 u16 read_nic_word(struct r8192_priv *priv, int x)
226 {
227 struct net_device *dev = priv->ieee80211->dev;
228 return inw(dev->base_addr +x);
229 }
230
231 void write_nic_byte(struct r8192_priv *priv, int x,u8 y)
232 {
233 struct net_device *dev = priv->ieee80211->dev;
234 outb(y&0xff,dev->base_addr +x);
235 }
236
237 void write_nic_word(struct r8192_priv *priv, int x,u16 y)
238 {
239 struct net_device *dev = priv->ieee80211->dev;
240 outw(y,dev->base_addr +x);
241 }
242
243 void write_nic_dword(struct r8192_priv *priv, int x,u32 y)
244 {
245 struct net_device *dev = priv->ieee80211->dev;
246 outl(y,dev->base_addr +x);
247 }
248
249 #else /* RTL_IO_MAP */
250
251 u8 read_nic_byte(struct r8192_priv *priv, int x)
252 {
253 struct net_device *dev = priv->ieee80211->dev;
254 return 0xff&readb((u8*)dev->mem_start +x);
255 }
256
257 u32 read_nic_dword(struct r8192_priv *priv, int x)
258 {
259 struct net_device *dev = priv->ieee80211->dev;
260 return readl((u8*)dev->mem_start +x);
261 }
262
263 u16 read_nic_word(struct r8192_priv *priv, int x)
264 {
265 struct net_device *dev = priv->ieee80211->dev;
266 return readw((u8*)dev->mem_start +x);
267 }
268
269 void write_nic_byte(struct r8192_priv *priv, int x,u8 y)
270 {
271 struct net_device *dev = priv->ieee80211->dev;
272 writeb(y,(u8*)dev->mem_start +x);
273 udelay(20);
274 }
275
276 void write_nic_dword(struct r8192_priv *priv, int x,u32 y)
277 {
278 struct net_device *dev = priv->ieee80211->dev;
279 writel(y,(u8*)dev->mem_start +x);
280 udelay(20);
281 }
282
283 void write_nic_word(struct r8192_priv *priv, int x,u16 y)
284 {
285 struct net_device *dev = priv->ieee80211->dev;
286 writew(y,(u8*)dev->mem_start +x);
287 udelay(20);
288 }
289
290 #endif /* RTL_IO_MAP */
291
292 u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
293 {
294 static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
295 static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
296 int wpa_ie_len= ieee->wpa_ie_len;
297 struct ieee80211_crypt_data* crypt;
298 int encrypt;
299
300 crypt = ieee->crypt[ieee->tx_keyidx];
301
302 encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||
303 (ieee->host_encrypt && crypt && crypt->ops &&
304 (0 == strcmp(crypt->ops->name,"WEP")));
305
306 /* simply judge */
307 if(encrypt && (wpa_ie_len == 0)) {
308 // wep encryption, no N mode setting */
309 return SEC_ALG_WEP;
310 } else if((wpa_ie_len != 0)) {
311 // parse pairwise key type */
312 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
313 ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
314 return SEC_ALG_CCMP;
315 else
316 return SEC_ALG_TKIP;
317 } else {
318 return SEC_ALG_NONE;
319 }
320 }
321
322 void
323 rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val)
324 {
325 struct r8192_priv* priv = ieee80211_priv(dev);
326
327 switch(variable)
328 {
329
330 case HW_VAR_BSSID:
331 write_nic_dword(priv, BSSIDR, ((u32*)(val))[0]);
332 write_nic_word(priv, BSSIDR+2, ((u16*)(val+2))[0]);
333 break;
334
335 case HW_VAR_MEDIA_STATUS:
336 {
337 RT_OP_MODE OpMode = *((RT_OP_MODE *)(val));
338 u8 btMsr = read_nic_byte(priv, MSR);
339
340 btMsr &= 0xfc;
341
342 switch(OpMode)
343 {
344 case RT_OP_MODE_INFRASTRUCTURE:
345 btMsr |= MSR_INFRA;
346 break;
347
348 case RT_OP_MODE_IBSS:
349 btMsr |= MSR_ADHOC;
350 break;
351
352 case RT_OP_MODE_AP:
353 btMsr |= MSR_AP;
354 break;
355
356 default:
357 btMsr |= MSR_NOLINK;
358 break;
359 }
360
361 write_nic_byte(priv, MSR, btMsr);
362 }
363 break;
364
365 case HW_VAR_CHECK_BSSID:
366 {
367 u32 RegRCR, Type;
368
369 Type = ((u8*)(val))[0];
370 RegRCR = read_nic_dword(priv, RCR);
371 priv->ReceiveConfig = RegRCR;
372
373 if (Type == true)
374 RegRCR |= (RCR_CBSSID);
375 else if (Type == false)
376 RegRCR &= (~RCR_CBSSID);
377
378 write_nic_dword(priv, RCR,RegRCR);
379 priv->ReceiveConfig = RegRCR;
380
381 }
382 break;
383
384 case HW_VAR_SLOT_TIME:
385 {
386 priv->slot_time = val[0];
387 write_nic_byte(priv, SLOT_TIME, val[0]);
388
389 }
390 break;
391
392 case HW_VAR_ACK_PREAMBLE:
393 {
394 u32 regTmp = 0;
395 priv->short_preamble = (bool)(*(u8*)val );
396 regTmp = priv->basic_rate;
397 if (priv->short_preamble)
398 regTmp |= BRSR_AckShortPmb;
399 write_nic_dword(priv, RRSR, regTmp);
400 }
401 break;
402
403 case HW_VAR_CPU_RST:
404 write_nic_dword(priv, CPU_GEN, ((u32*)(val))[0]);
405 break;
406
407 default:
408 break;
409 }
410
411 }
412
413 static struct proc_dir_entry *rtl8192_proc = NULL;
414
415 static int proc_get_stats_ap(char *page, char **start,
416 off_t offset, int count,
417 int *eof, void *data)
418 {
419 struct net_device *dev = data;
420 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
421 struct ieee80211_device *ieee = priv->ieee80211;
422 struct ieee80211_network *target;
423 int len = 0;
424
425 list_for_each_entry(target, &ieee->network_list, list) {
426
427 len += snprintf(page + len, count - len,
428 "%s ", target->ssid);
429
430 if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
431 len += snprintf(page + len, count - len,
432 "WPA\n");
433 }
434 else{
435 len += snprintf(page + len, count - len,
436 "non_WPA\n");
437 }
438
439 }
440
441 *eof = 1;
442 return len;
443 }
444
445 static int proc_get_registers(char *page, char **start,
446 off_t offset, int count,
447 int *eof, void *data)
448 {
449 struct net_device *dev = data;
450 struct r8192_priv *priv = ieee80211_priv(dev);
451 int len = 0;
452 int i,n;
453 int max=0xff;
454
455 /* This dump the current register page */
456 len += snprintf(page + len, count - len,
457 "\n####################page 0##################\n ");
458
459 for(n=0;n<=max;)
460 {
461 len += snprintf(page + len, count - len,
462 "\nD: %2x > ",n);
463
464 for(i=0;i<16 && n<=max;i++,n++)
465 len += snprintf(page + len, count - len,
466 "%2x ",read_nic_byte(priv,n));
467 }
468 len += snprintf(page + len, count - len,"\n");
469 len += snprintf(page + len, count - len,
470 "\n####################page 1##################\n ");
471 for(n=0;n<=max;)
472 {
473 len += snprintf(page + len, count - len,
474 "\nD: %2x > ",n);
475
476 for(i=0;i<16 && n<=max;i++,n++)
477 len += snprintf(page + len, count - len,
478 "%2x ",read_nic_byte(priv,0x100|n));
479 }
480
481 len += snprintf(page + len, count - len,
482 "\n####################page 3##################\n ");
483 for(n=0;n<=max;)
484 {
485 len += snprintf(page + len, count - len,
486 "\nD: %2x > ",n);
487
488 for(i=0;i<16 && n<=max;i++,n++)
489 len += snprintf(page + len, count - len,
490 "%2x ",read_nic_byte(priv,0x300|n));
491 }
492
493 *eof = 1;
494 return len;
495
496 }
497
498 static int proc_get_stats_tx(char *page, char **start,
499 off_t offset, int count,
500 int *eof, void *data)
501 {
502 struct net_device *dev = data;
503 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
504
505 int len = 0;
506
507 len += snprintf(page + len, count - len,
508 "TX VI priority ok int: %lu\n"
509 "TX VO priority ok int: %lu\n"
510 "TX BE priority ok int: %lu\n"
511 "TX BK priority ok int: %lu\n"
512 "TX MANAGE priority ok int: %lu\n"
513 "TX BEACON priority ok int: %lu\n"
514 "TX BEACON priority error int: %lu\n"
515 "TX CMDPKT priority ok int: %lu\n"
516 "TX queue stopped?: %d\n"
517 "TX fifo overflow: %lu\n"
518 "TX total data packets %lu\n"
519 "TX total data bytes :%lu\n",
520 priv->stats.txviokint,
521 priv->stats.txvookint,
522 priv->stats.txbeokint,
523 priv->stats.txbkokint,
524 priv->stats.txmanageokint,
525 priv->stats.txbeaconokint,
526 priv->stats.txbeaconerr,
527 priv->stats.txcmdpktokint,
528 netif_queue_stopped(dev),
529 priv->stats.txoverflow,
530 priv->ieee80211->stats.tx_packets,
531 priv->ieee80211->stats.tx_bytes);
532
533 *eof = 1;
534 return len;
535 }
536
537
538
539 static int proc_get_stats_rx(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 "RX packets: %lu\n"
550 "RX desc err: %lu\n"
551 "RX rx overflow error: %lu\n",
552 priv->stats.rxint,
553 priv->stats.rxrdu,
554 priv->stats.rxoverflow);
555
556 *eof = 1;
557 return len;
558 }
559
560 static void rtl8192_proc_module_init(void)
561 {
562 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
563 rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
564 }
565
566
567 static void rtl8192_proc_module_remove(void)
568 {
569 remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
570 }
571
572
573 static void rtl8192_proc_remove_one(struct net_device *dev)
574 {
575 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
576
577 printk("dev name=======> %s\n",dev->name);
578
579 if (priv->dir_dev) {
580 remove_proc_entry("stats-tx", priv->dir_dev);
581 remove_proc_entry("stats-rx", priv->dir_dev);
582 remove_proc_entry("stats-ap", priv->dir_dev);
583 remove_proc_entry("registers", priv->dir_dev);
584 remove_proc_entry("wlan0", rtl8192_proc);
585 priv->dir_dev = NULL;
586 }
587 }
588
589
590 static void rtl8192_proc_init_one(struct net_device *dev)
591 {
592 struct proc_dir_entry *e;
593 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
594 priv->dir_dev = create_proc_entry(dev->name,
595 S_IFDIR | S_IRUGO | S_IXUGO,
596 rtl8192_proc);
597 if (!priv->dir_dev) {
598 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
599 dev->name);
600 return;
601 }
602 e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
603 priv->dir_dev, proc_get_stats_rx, dev);
604
605 if (!e) {
606 RT_TRACE(COMP_ERR,"Unable to initialize "
607 "/proc/net/rtl8192/%s/stats-rx\n",
608 dev->name);
609 }
610
611
612 e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
613 priv->dir_dev, proc_get_stats_tx, dev);
614
615 if (!e) {
616 RT_TRACE(COMP_ERR, "Unable to initialize "
617 "/proc/net/rtl8192/%s/stats-tx\n",
618 dev->name);
619 }
620
621 e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
622 priv->dir_dev, proc_get_stats_ap, dev);
623
624 if (!e) {
625 RT_TRACE(COMP_ERR, "Unable to initialize "
626 "/proc/net/rtl8192/%s/stats-ap\n",
627 dev->name);
628 }
629
630 e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
631 priv->dir_dev, proc_get_registers, dev);
632 if (!e) {
633 RT_TRACE(COMP_ERR, "Unable to initialize "
634 "/proc/net/rtl8192/%s/registers\n",
635 dev->name);
636 }
637 }
638
639 short check_nic_enough_desc(struct net_device *dev, int prio)
640 {
641 struct r8192_priv *priv = ieee80211_priv(dev);
642 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
643
644 /* for now we reserve two free descriptor as a safety boundary
645 * between the tail and the head
646 */
647 return (ring->entries - skb_queue_len(&ring->queue) >= 2);
648 }
649
650 static void tx_timeout(struct net_device *dev)
651 {
652 struct r8192_priv *priv = ieee80211_priv(dev);
653
654 schedule_work(&priv->reset_wq);
655 printk("TXTIMEOUT");
656 }
657
658 static void rtl8192_irq_enable(struct net_device *dev)
659 {
660 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
661 priv->irq_enabled = 1;
662 write_nic_dword(priv, INTA_MASK, priv->irq_mask);
663 }
664
665 void rtl8192_irq_disable(struct net_device *dev)
666 {
667 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
668
669 write_nic_dword(priv, INTA_MASK, 0);
670 priv->irq_enabled = 0;
671 }
672
673 void rtl8192_update_msr(struct net_device *dev)
674 {
675 struct r8192_priv *priv = ieee80211_priv(dev);
676 u8 msr;
677
678 msr = read_nic_byte(priv, MSR);
679 msr &= ~ MSR_LINK_MASK;
680
681 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
682 * msr must be updated if the state is ASSOCIATING.
683 * this is intentional and make sense for ad-hoc and
684 * master (see the create BSS/IBSS func)
685 */
686 if (priv->ieee80211->state == IEEE80211_LINKED){
687
688 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
689 msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
690 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
691 msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
692 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
693 msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
694
695 }else
696 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
697
698 write_nic_byte(priv, MSR, msr);
699 }
700
701 void rtl8192_set_chan(struct net_device *dev,short ch)
702 {
703 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
704
705 priv->chan = ch;
706
707 /* need to implement rf set channel here WB */
708
709 if (priv->rf_set_chan)
710 priv->rf_set_chan(dev, priv->chan);
711 }
712
713 void rtl8192_rx_enable(struct net_device *dev)
714 {
715 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
716
717 write_nic_dword(priv, RDQDA,priv->rx_ring_dma);
718 }
719
720 /* the TX_DESC_BASE setting is according to the following queue index
721 * BK_QUEUE ===> 0
722 * BE_QUEUE ===> 1
723 * VI_QUEUE ===> 2
724 * VO_QUEUE ===> 3
725 * HCCA_QUEUE ===> 4
726 * TXCMD_QUEUE ===> 5
727 * MGNT_QUEUE ===> 6
728 * HIGH_QUEUE ===> 7
729 * BEACON_QUEUE ===> 8
730 * */
731 static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
732 void rtl8192_tx_enable(struct net_device *dev)
733 {
734 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
735 u32 i;
736
737 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
738 write_nic_dword(priv, TX_DESC_BASE[i], priv->tx_ring[i].dma);
739
740 ieee80211_reset_queue(priv->ieee80211);
741 }
742
743
744 static void rtl8192_free_rx_ring(struct net_device *dev)
745 {
746 struct r8192_priv *priv = ieee80211_priv(dev);
747 int i;
748
749 for (i = 0; i < priv->rxringcount; i++) {
750 struct sk_buff *skb = priv->rx_buf[i];
751 if (!skb)
752 continue;
753
754 pci_unmap_single(priv->pdev,
755 *((dma_addr_t *)skb->cb),
756 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
757 kfree_skb(skb);
758 }
759
760 pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
761 priv->rx_ring, priv->rx_ring_dma);
762 priv->rx_ring = NULL;
763 }
764
765 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
766 {
767 struct r8192_priv *priv = ieee80211_priv(dev);
768 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
769
770 while (skb_queue_len(&ring->queue)) {
771 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
772 struct sk_buff *skb = __skb_dequeue(&ring->queue);
773
774 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
775 skb->len, PCI_DMA_TODEVICE);
776 kfree_skb(skb);
777 ring->idx = (ring->idx + 1) % ring->entries;
778 }
779
780 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
781 ring->desc, ring->dma);
782 ring->desc = NULL;
783 }
784
785 void PHY_SetRtl8192eRfOff(struct net_device* dev)
786 {
787 struct r8192_priv *priv = ieee80211_priv(dev);
788
789 //disable RF-Chip A/B
790 rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
791 //analog to digital off, for power save
792 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 0x0);
793 //digital to analog off, for power save
794 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 0x0);
795 //rx antenna off
796 rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0);
797 //rx antenna off
798 rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0);
799 //analog to digital part2 off, for power save
800 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x0);
801 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x4, 0x0);
802 // Analog parameter!!Change bias and Lbus control.
803 write_nic_byte(priv, ANAPAR_FOR_8192PciE, 0x07);
804
805 }
806
807 void rtl8192_halt_adapter(struct net_device *dev, bool reset)
808 {
809 struct r8192_priv *priv = ieee80211_priv(dev);
810 int i;
811 u8 OpMode;
812 u32 ulRegRead;
813
814 OpMode = RT_OP_MODE_NO_LINK;
815 priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode);
816
817 if (!priv->ieee80211->bSupportRemoteWakeUp) {
818 /*
819 * disable tx/rx. In 8185 we write 0x10 (Reset bit),
820 * but here we make reference to WMAC and wirte 0x0
821 */
822 write_nic_byte(priv, CMDR, 0);
823 }
824
825 mdelay(20);
826
827 if (!reset) {
828 mdelay(150);
829
830 priv->bHwRfOffAction = 2;
831
832 /*
833 * Call MgntActSet_RF_State instead to
834 * prevent RF config race condition.
835 */
836 if (!priv->ieee80211->bSupportRemoteWakeUp) {
837 PHY_SetRtl8192eRfOff(dev);
838 ulRegRead = read_nic_dword(priv, CPU_GEN);
839 ulRegRead |= CPU_GEN_SYSTEM_RESET;
840 write_nic_dword(priv,CPU_GEN, ulRegRead);
841 } else {
842 /* for WOL */
843 write_nic_dword(priv, WFCRC0, 0xffffffff);
844 write_nic_dword(priv, WFCRC1, 0xffffffff);
845 write_nic_dword(priv, WFCRC2, 0xffffffff);
846
847 /* Write PMR register */
848 write_nic_byte(priv, PMR, 0x5);
849 /* Disable tx, enanble rx */
850 write_nic_byte(priv, MacBlkCtrl, 0xa);
851 }
852 }
853
854 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
855 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
856 }
857 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
858 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
859 }
860
861 skb_queue_purge(&priv->skb_queue);
862 }
863
864 static const u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540};
865 inline u16 rtl8192_rate2rate(short rate)
866 {
867 if (rate >11) return 0;
868 return rtl_rate[rate];
869 }
870
871 static void rtl8192_data_hard_stop(struct net_device *dev)
872 {
873 }
874
875 static void rtl8192_data_hard_resume(struct net_device *dev)
876 {
877 }
878
879 /*
880 * this function TX data frames when the ieee80211 stack requires this.
881 * It checks also if we need to stop the ieee tx queue, eventually do it
882 */
883 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
884 {
885 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
886 int ret;
887 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
888 u8 queue_index = tcb_desc->queue_index;
889
890 /* shall not be referred by command packet */
891 BUG_ON(queue_index == TXCMD_QUEUE);
892
893 if (priv->bHwRadioOff || (!priv->up))
894 {
895 kfree_skb(skb);
896 return;
897 }
898
899 memcpy(skb->cb, &dev, sizeof(dev));
900
901 skb_push(skb, priv->ieee80211->tx_headroom);
902 ret = rtl8192_tx(dev, skb);
903 if (ret != 0) {
904 kfree_skb(skb);
905 }
906
907 if (queue_index != MGNT_QUEUE) {
908 priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom);
909 priv->ieee80211->stats.tx_packets++;
910 }
911 }
912
913 /*
914 * This is a rough attempt to TX a frame
915 * This is called by the ieee 80211 stack to TX management frames.
916 * If the ring is full packet are dropped (for data frame the queue
917 * is stopped before this can happen).
918 */
919 static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
920 {
921 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
922 int ret;
923 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
924 u8 queue_index = tcb_desc->queue_index;
925
926 if (queue_index != TXCMD_QUEUE) {
927 if (priv->bHwRadioOff || (!priv->up))
928 {
929 kfree_skb(skb);
930 return 0;
931 }
932 }
933
934 memcpy(skb->cb, &dev, sizeof(dev));
935 if (queue_index == TXCMD_QUEUE) {
936 rtl819xE_tx_cmd(dev, skb);
937 ret = 0;
938 return ret;
939 } else {
940 tcb_desc->RATRIndex = 7;
941 tcb_desc->bTxDisableRateFallBack = 1;
942 tcb_desc->bTxUseDriverAssingedRate = 1;
943 tcb_desc->bTxEnableFwCalcDur = 1;
944 skb_push(skb, priv->ieee80211->tx_headroom);
945 ret = rtl8192_tx(dev, skb);
946 if (ret != 0) {
947 kfree_skb(skb);
948 }
949 }
950
951 return ret;
952 }
953
954
955 static void rtl8192_tx_isr(struct net_device *dev, int prio)
956 {
957 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
958 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
959
960 while (skb_queue_len(&ring->queue)) {
961 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
962 struct sk_buff *skb;
963
964 /*
965 * beacon packet will only use the first descriptor defaultly,
966 * and the OWN may not be cleared by the hardware
967 */
968 if (prio != BEACON_QUEUE) {
969 if (entry->OWN)
970 return;
971 ring->idx = (ring->idx + 1) % ring->entries;
972 }
973
974 skb = __skb_dequeue(&ring->queue);
975 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
976 skb->len, PCI_DMA_TODEVICE);
977
978 kfree_skb(skb);
979 }
980
981 if (prio != BEACON_QUEUE) {
982 /* try to deal with the pending packets */
983 tasklet_schedule(&priv->irq_tx_tasklet);
984 }
985 }
986
987 static void rtl8192_stop_beacon(struct net_device *dev)
988 {
989 }
990
991 static void rtl8192_config_rate(struct net_device* dev, u16* rate_config)
992 {
993 struct r8192_priv *priv = ieee80211_priv(dev);
994 struct ieee80211_network *net;
995 u8 i=0, basic_rate = 0;
996 net = & priv->ieee80211->current_network;
997
998 for (i=0; i<net->rates_len; i++)
999 {
1000 basic_rate = net->rates[i]&0x7f;
1001 switch(basic_rate)
1002 {
1003 case MGN_1M: *rate_config |= RRSR_1M; break;
1004 case MGN_2M: *rate_config |= RRSR_2M; break;
1005 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
1006 case MGN_11M: *rate_config |= RRSR_11M; break;
1007 case MGN_6M: *rate_config |= RRSR_6M; break;
1008 case MGN_9M: *rate_config |= RRSR_9M; break;
1009 case MGN_12M: *rate_config |= RRSR_12M; break;
1010 case MGN_18M: *rate_config |= RRSR_18M; break;
1011 case MGN_24M: *rate_config |= RRSR_24M; break;
1012 case MGN_36M: *rate_config |= RRSR_36M; break;
1013 case MGN_48M: *rate_config |= RRSR_48M; break;
1014 case MGN_54M: *rate_config |= RRSR_54M; break;
1015 }
1016 }
1017 for (i=0; i<net->rates_ex_len; i++)
1018 {
1019 basic_rate = net->rates_ex[i]&0x7f;
1020 switch(basic_rate)
1021 {
1022 case MGN_1M: *rate_config |= RRSR_1M; break;
1023 case MGN_2M: *rate_config |= RRSR_2M; break;
1024 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
1025 case MGN_11M: *rate_config |= RRSR_11M; break;
1026 case MGN_6M: *rate_config |= RRSR_6M; break;
1027 case MGN_9M: *rate_config |= RRSR_9M; break;
1028 case MGN_12M: *rate_config |= RRSR_12M; break;
1029 case MGN_18M: *rate_config |= RRSR_18M; break;
1030 case MGN_24M: *rate_config |= RRSR_24M; break;
1031 case MGN_36M: *rate_config |= RRSR_36M; break;
1032 case MGN_48M: *rate_config |= RRSR_48M; break;
1033 case MGN_54M: *rate_config |= RRSR_54M; break;
1034 }
1035 }
1036 }
1037
1038
1039 #define SHORT_SLOT_TIME 9
1040 #define NON_SHORT_SLOT_TIME 20
1041
1042 static void rtl8192_update_cap(struct net_device* dev, u16 cap)
1043 {
1044 u32 tmp = 0;
1045 struct r8192_priv *priv = ieee80211_priv(dev);
1046 struct ieee80211_network *net = &priv->ieee80211->current_network;
1047 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1048 tmp = priv->basic_rate;
1049 if (priv->short_preamble)
1050 tmp |= BRSR_AckShortPmb;
1051 write_nic_dword(priv, RRSR, tmp);
1052
1053 if (net->mode & (IEEE_G|IEEE_N_24G))
1054 {
1055 u8 slot_time = 0;
1056 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1057 {//short slot time
1058 slot_time = SHORT_SLOT_TIME;
1059 }
1060 else //long slot time
1061 slot_time = NON_SHORT_SLOT_TIME;
1062 priv->slot_time = slot_time;
1063 write_nic_byte(priv, SLOT_TIME, slot_time);
1064 }
1065
1066 }
1067
1068 static void rtl8192_net_update(struct net_device *dev)
1069 {
1070 struct r8192_priv *priv = ieee80211_priv(dev);
1071 struct ieee80211_network *net;
1072 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1073 u16 rate_config = 0;
1074 net = &priv->ieee80211->current_network;
1075
1076 /* update Basic rate: RR, BRSR */
1077 rtl8192_config_rate(dev, &rate_config);
1078
1079 /*
1080 * Select RRSR (in Legacy-OFDM and CCK)
1081 * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1082 * 2M, and 1M from the Basic rate.
1083 * We do not use other rates.
1084 */
1085 priv->basic_rate = rate_config &= 0x15f;
1086
1087 /* BSSID */
1088 write_nic_dword(priv, BSSIDR, ((u32 *)net->bssid)[0]);
1089 write_nic_word(priv, BSSIDR+4, ((u16 *)net->bssid)[2]);
1090
1091 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1092 {
1093 write_nic_word(priv, ATIMWND, 2);
1094 write_nic_word(priv, BCN_DMATIME, 256);
1095 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
1096 /*
1097 * BIT15 of BCN_DRV_EARLY_INT will indicate
1098 * whether software beacon or hw beacon is applied.
1099 */
1100 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
1101 write_nic_byte(priv, BCN_ERR_THRESH, 100);
1102
1103 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1104 /* TODO: BcnIFS may required to be changed on ASIC */
1105 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1106 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
1107 }
1108 }
1109
1110 void rtl819xE_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1111 {
1112 struct r8192_priv *priv = ieee80211_priv(dev);
1113 struct rtl8192_tx_ring *ring;
1114 tx_desc_819x_pci *entry;
1115 unsigned int idx;
1116 dma_addr_t mapping;
1117 cb_desc *tcb_desc;
1118 unsigned long flags;
1119
1120 ring = &priv->tx_ring[TXCMD_QUEUE];
1121 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1122
1123 spin_lock_irqsave(&priv->irq_th_lock,flags);
1124 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1125 entry = &ring->desc[idx];
1126
1127 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1128 memset(entry,0,12);
1129 entry->LINIP = tcb_desc->bLastIniPkt;
1130 entry->FirstSeg = 1;//first segment
1131 entry->LastSeg = 1; //last segment
1132 if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1133 entry->CmdInit = DESC_PACKET_TYPE_INIT;
1134 } else {
1135 entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1136 entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1137 entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1138 entry->QueueSelect = QSLT_CMD;
1139 entry->TxFWInfoSize = 0x08;
1140 entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1141 }
1142 entry->TxBufferSize = skb->len;
1143 entry->TxBuffAddr = cpu_to_le32(mapping);
1144 entry->OWN = 1;
1145
1146 __skb_queue_tail(&ring->queue, skb);
1147 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1148
1149 write_nic_byte(priv, TPPoll, TPPoll_CQ);
1150
1151 return;
1152 }
1153
1154 /*
1155 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1156 * in TxFwInfo data structure
1157 */
1158 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1159 {
1160 u8 QueueSelect = 0;
1161
1162 switch (QueueID) {
1163 case BE_QUEUE:
1164 QueueSelect = QSLT_BE;
1165 break;
1166
1167 case BK_QUEUE:
1168 QueueSelect = QSLT_BK;
1169 break;
1170
1171 case VO_QUEUE:
1172 QueueSelect = QSLT_VO;
1173 break;
1174
1175 case VI_QUEUE:
1176 QueueSelect = QSLT_VI;
1177 break;
1178
1179 case MGNT_QUEUE:
1180 QueueSelect = QSLT_MGNT;
1181 break;
1182
1183 case BEACON_QUEUE:
1184 QueueSelect = QSLT_BEACON;
1185 break;
1186
1187 case TXCMD_QUEUE:
1188 QueueSelect = QSLT_CMD;
1189 break;
1190
1191 case HIGH_QUEUE:
1192 default:
1193 RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID);
1194 break;
1195 }
1196 return QueueSelect;
1197 }
1198
1199 static u8 MRateToHwRate8190Pci(u8 rate)
1200 {
1201 u8 ret = DESC90_RATE1M;
1202
1203 switch(rate) {
1204 case MGN_1M: ret = DESC90_RATE1M; break;
1205 case MGN_2M: ret = DESC90_RATE2M; break;
1206 case MGN_5_5M: ret = DESC90_RATE5_5M; break;
1207 case MGN_11M: ret = DESC90_RATE11M; break;
1208 case MGN_6M: ret = DESC90_RATE6M; break;
1209 case MGN_9M: ret = DESC90_RATE9M; break;
1210 case MGN_12M: ret = DESC90_RATE12M; break;
1211 case MGN_18M: ret = DESC90_RATE18M; break;
1212 case MGN_24M: ret = DESC90_RATE24M; break;
1213 case MGN_36M: ret = DESC90_RATE36M; break;
1214 case MGN_48M: ret = DESC90_RATE48M; break;
1215 case MGN_54M: ret = DESC90_RATE54M; break;
1216
1217 // HT rate since here
1218 case MGN_MCS0: ret = DESC90_RATEMCS0; break;
1219 case MGN_MCS1: ret = DESC90_RATEMCS1; break;
1220 case MGN_MCS2: ret = DESC90_RATEMCS2; break;
1221 case MGN_MCS3: ret = DESC90_RATEMCS3; break;
1222 case MGN_MCS4: ret = DESC90_RATEMCS4; break;
1223 case MGN_MCS5: ret = DESC90_RATEMCS5; break;
1224 case MGN_MCS6: ret = DESC90_RATEMCS6; break;
1225 case MGN_MCS7: ret = DESC90_RATEMCS7; break;
1226 case MGN_MCS8: ret = DESC90_RATEMCS8; break;
1227 case MGN_MCS9: ret = DESC90_RATEMCS9; break;
1228 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1229 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1230 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1231 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1232 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1233 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1234 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1235
1236 default: break;
1237 }
1238 return ret;
1239 }
1240
1241
1242 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1243 {
1244 u8 tmp_Short;
1245
1246 tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1247
1248 if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1249 tmp_Short = 0;
1250
1251 return tmp_Short;
1252 }
1253
1254 /*
1255 * The tx procedure is just as following,
1256 * skb->cb will contain all the following information,
1257 * priority, morefrag, rate, &dev.
1258 */
1259 short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
1260 {
1261 struct r8192_priv *priv = ieee80211_priv(dev);
1262 struct rtl8192_tx_ring *ring;
1263 unsigned long flags;
1264 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1265 tx_desc_819x_pci *pdesc = NULL;
1266 TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1267 dma_addr_t mapping;
1268 bool multi_addr = false, broad_addr = false, uni_addr = false;
1269 u8 *pda_addr = NULL;
1270 int idx;
1271
1272 if (priv->bdisable_nic) {
1273 RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1274 skb->len, tcb_desc->queue_index);
1275 return skb->len;
1276 }
1277
1278 #ifdef ENABLE_LPS
1279 priv->ieee80211->bAwakePktSent = true;
1280 #endif
1281
1282 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1283
1284 /* collect the tx packets statitcs */
1285 pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
1286 if (is_multicast_ether_addr(pda_addr))
1287 multi_addr = true;
1288 else if (is_broadcast_ether_addr(pda_addr))
1289 broad_addr = true;
1290 else
1291 uni_addr = true;
1292
1293 if (uni_addr)
1294 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1295
1296 /* fill tx firmware */
1297 pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1298 memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
1299 pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1300 pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1301 pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1302 pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1303
1304 /* Aggregation related */
1305 if (tcb_desc->bAMPDUEnable) {
1306 pTxFwInfo->AllowAggregation = 1;
1307 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1308 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1309 } else {
1310 pTxFwInfo->AllowAggregation = 0;
1311 pTxFwInfo->RxMF = 0;
1312 pTxFwInfo->RxAMD = 0;
1313 }
1314
1315 /* Protection mode related */
1316 pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1317 pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1318 pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1319 pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1320 pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1321 pTxFwInfo->RtsBandwidth = 0;
1322 pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1323 pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);
1324
1325 /* Set Bandwidth and sub-channel settings. */
1326 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1327 if (tcb_desc->bPacketBW) {
1328 pTxFwInfo->TxBandwidth = 1;
1329 /* use duplicated mode */
1330 pTxFwInfo->TxSubCarrier = 0;
1331 } else {
1332 pTxFwInfo->TxBandwidth = 0;
1333 pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1334 }
1335 } else {
1336 pTxFwInfo->TxBandwidth = 0;
1337 pTxFwInfo->TxSubCarrier = 0;
1338 }
1339
1340 spin_lock_irqsave(&priv->irq_th_lock, flags);
1341 ring = &priv->tx_ring[tcb_desc->queue_index];
1342 if (tcb_desc->queue_index != BEACON_QUEUE)
1343 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1344 else
1345 idx = 0;
1346
1347 pdesc = &ring->desc[idx];
1348 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1349 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x",
1350 tcb_desc->queue_index, ring->idx, idx, skb->len);
1351 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1352 return skb->len;
1353 }
1354
1355 /* fill tx descriptor */
1356 memset(pdesc, 0, 12);
1357
1358 /*DWORD 0*/
1359 pdesc->LINIP = 0;
1360 pdesc->CmdInit = 1;
1361 pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
1362 pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1363
1364 /*DWORD 1*/
1365 pdesc->SecCAMID = 0;
1366 pdesc->RATid = tcb_desc->RATRIndex;
1367
1368 pdesc->NoEnc = 1;
1369 pdesc->SecType = 0x0;
1370 if (tcb_desc->bHwSec) {
1371 switch (priv->ieee80211->pairwise_key_type) {
1372 case KEY_TYPE_WEP40:
1373 case KEY_TYPE_WEP104:
1374 pdesc->SecType = 0x1;
1375 pdesc->NoEnc = 0;
1376 break;
1377 case KEY_TYPE_TKIP:
1378 pdesc->SecType = 0x2;
1379 pdesc->NoEnc = 0;
1380 break;
1381 case KEY_TYPE_CCMP:
1382 pdesc->SecType = 0x3;
1383 pdesc->NoEnc = 0;
1384 break;
1385 case KEY_TYPE_NA:
1386 pdesc->SecType = 0x0;
1387 pdesc->NoEnc = 1;
1388 break;
1389 }
1390 }
1391
1392 /* Set Packet ID */
1393 pdesc->PktId = 0x0;
1394
1395 pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1396 pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1397
1398 pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1399 pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1400
1401 pdesc->FirstSeg = 1;
1402 pdesc->LastSeg = 1;
1403 pdesc->TxBufferSize = skb->len;
1404
1405 pdesc->TxBuffAddr = cpu_to_le32(mapping);
1406 __skb_queue_tail(&ring->queue, skb);
1407 pdesc->OWN = 1;
1408 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1409 dev->trans_start = jiffies;
1410 write_nic_word(priv, TPPoll, 0x01<<tcb_desc->queue_index);
1411 return 0;
1412 }
1413
1414 static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
1415 {
1416 struct r8192_priv *priv = ieee80211_priv(dev);
1417 rx_desc_819x_pci *entry = NULL;
1418 int i;
1419
1420 priv->rx_ring = pci_alloc_consistent(priv->pdev,
1421 sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1422
1423 if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1424 RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1425 return -ENOMEM;
1426 }
1427
1428 memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1429 priv->rx_idx = 0;
1430
1431 for (i = 0; i < priv->rxringcount; i++) {
1432 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1433 dma_addr_t *mapping;
1434 entry = &priv->rx_ring[i];
1435 if (!skb)
1436 return 0;
1437 priv->rx_buf[i] = skb;
1438 mapping = (dma_addr_t *)skb->cb;
1439 *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
1440 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1441
1442 entry->BufferAddress = cpu_to_le32(*mapping);
1443
1444 entry->Length = priv->rxbuffersize;
1445 entry->OWN = 1;
1446 }
1447
1448 entry->EOR = 1;
1449 return 0;
1450 }
1451
1452 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
1453 unsigned int prio, unsigned int entries)
1454 {
1455 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1456 tx_desc_819x_pci *ring;
1457 dma_addr_t dma;
1458 int i;
1459
1460 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1461 if (!ring || (unsigned long)ring & 0xFF) {
1462 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1463 return -ENOMEM;
1464 }
1465
1466 memset(ring, 0, sizeof(*ring)*entries);
1467 priv->tx_ring[prio].desc = ring;
1468 priv->tx_ring[prio].dma = dma;
1469 priv->tx_ring[prio].idx = 0;
1470 priv->tx_ring[prio].entries = entries;
1471 skb_queue_head_init(&priv->tx_ring[prio].queue);
1472
1473 for (i = 0; i < entries; i++)
1474 ring[i].NextDescAddress =
1475 cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1476
1477 return 0;
1478 }
1479
1480 static short rtl8192_pci_initdescring(struct net_device *dev)
1481 {
1482 u32 ret;
1483 int i;
1484 struct r8192_priv *priv = ieee80211_priv(dev);
1485
1486 ret = rtl8192_alloc_rx_desc_ring(dev);
1487 if (ret)
1488 return ret;
1489
1490 /* general process for other queue */
1491 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1492 ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount);
1493 if (ret)
1494 goto err_free_rings;
1495 }
1496
1497 return 0;
1498
1499 err_free_rings:
1500 rtl8192_free_rx_ring(dev);
1501 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1502 if (priv->tx_ring[i].desc)
1503 rtl8192_free_tx_ring(dev, i);
1504 return 1;
1505 }
1506
1507 static void rtl8192_pci_resetdescring(struct net_device *dev)
1508 {
1509 struct r8192_priv *priv = ieee80211_priv(dev);
1510 int i;
1511
1512 /* force the rx_idx to the first one */
1513 if(priv->rx_ring) {
1514 rx_desc_819x_pci *entry = NULL;
1515 for (i = 0; i < priv->rxringcount; i++) {
1516 entry = &priv->rx_ring[i];
1517 entry->OWN = 1;
1518 }
1519 priv->rx_idx = 0;
1520 }
1521
1522 /* after reset, release previous pending packet, and force the
1523 * tx idx to the first one */
1524 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1525 if (priv->tx_ring[i].desc) {
1526 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1527
1528 while (skb_queue_len(&ring->queue)) {
1529 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1530 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1531
1532 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1533 skb->len, PCI_DMA_TODEVICE);
1534 kfree_skb(skb);
1535 ring->idx = (ring->idx + 1) % ring->entries;
1536 }
1537 ring->idx = 0;
1538 }
1539 }
1540 }
1541
1542 static void rtl8192_link_change(struct net_device *dev)
1543 {
1544 struct r8192_priv *priv = ieee80211_priv(dev);
1545 struct ieee80211_device* ieee = priv->ieee80211;
1546
1547 if (ieee->state == IEEE80211_LINKED)
1548 {
1549 rtl8192_net_update(dev);
1550 rtl8192_update_ratr_table(dev);
1551
1552 //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
1553 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1554 EnableHWSecurityConfig8192(dev);
1555 }
1556 else
1557 {
1558 write_nic_byte(priv, 0x173, 0);
1559 }
1560
1561 rtl8192_update_msr(dev);
1562
1563 // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1564 // // To set CBSSID bit when link with any AP or STA.
1565 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1566 {
1567 u32 reg = 0;
1568 reg = read_nic_dword(priv, RCR);
1569 if (priv->ieee80211->state == IEEE80211_LINKED)
1570 priv->ReceiveConfig = reg |= RCR_CBSSID;
1571 else
1572 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1573 write_nic_dword(priv, RCR, reg);
1574 }
1575 }
1576
1577
1578 static const struct ieee80211_qos_parameters def_qos_parameters = {
1579 {3,3,3,3},/* cw_min */
1580 {7,7,7,7},/* cw_max */
1581 {2,2,2,2},/* aifs */
1582 {0,0,0,0},/* flags */
1583 {0,0,0,0} /* tx_op_limit */
1584 };
1585
1586 static void rtl8192_update_beacon(struct work_struct * work)
1587 {
1588 struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1589 struct net_device *dev = priv->ieee80211->dev;
1590 struct ieee80211_device* ieee = priv->ieee80211;
1591 struct ieee80211_network* net = &ieee->current_network;
1592
1593 if (ieee->pHTInfo->bCurrentHTSupport)
1594 HTUpdateSelfAndPeerSetting(ieee, net);
1595 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1596 rtl8192_update_cap(dev, net->capability);
1597 }
1598
1599 /*
1600 * background support to run QoS activate functionality
1601 */
1602 static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1603 static void rtl8192_qos_activate(struct work_struct * work)
1604 {
1605 struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1606 struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1607 u8 mode = priv->ieee80211->current_network.mode;
1608 u8 u1bAIFS;
1609 u32 u4bAcParam;
1610 int i;
1611
1612 mutex_lock(&priv->mutex);
1613 if(priv->ieee80211->state != IEEE80211_LINKED)
1614 goto success;
1615 RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
1616 /* It better set slot time at first */
1617 /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1618 /* update the ac parameter to related registers */
1619 for(i = 0; i < QOS_QUEUE_NUM; i++) {
1620 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1621 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
1622 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
1623 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
1624 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
1625 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
1626 write_nic_dword(priv, WDCAPARA_ADD[i], u4bAcParam);
1627 }
1628
1629 success:
1630 mutex_unlock(&priv->mutex);
1631 }
1632
1633 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1634 int active_network,
1635 struct ieee80211_network *network)
1636 {
1637 int ret = 0;
1638 u32 size = sizeof(struct ieee80211_qos_parameters);
1639
1640 if(priv->ieee80211->state !=IEEE80211_LINKED)
1641 return ret;
1642
1643 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1644 return ret;
1645
1646 if (network->flags & NETWORK_HAS_QOS_MASK) {
1647 if (active_network &&
1648 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1649 network->qos_data.active = network->qos_data.supported;
1650
1651 if ((network->qos_data.active == 1) && (active_network == 1) &&
1652 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1653 (network->qos_data.old_param_count !=
1654 network->qos_data.param_count)) {
1655 network->qos_data.old_param_count =
1656 network->qos_data.param_count;
1657 queue_work(priv->priv_wq, &priv->qos_activate);
1658 RT_TRACE (COMP_QOS, "QoS parameters change call "
1659 "qos_activate\n");
1660 }
1661 } else {
1662 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1663 &def_qos_parameters, size);
1664
1665 if ((network->qos_data.active == 1) && (active_network == 1)) {
1666 queue_work(priv->priv_wq, &priv->qos_activate);
1667 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
1668 }
1669 network->qos_data.active = 0;
1670 network->qos_data.supported = 0;
1671 }
1672
1673 return 0;
1674 }
1675
1676 /* handle manage frame frame beacon and probe response */
1677 static int rtl8192_handle_beacon(struct net_device * dev,
1678 struct ieee80211_beacon * beacon,
1679 struct ieee80211_network * network)
1680 {
1681 struct r8192_priv *priv = ieee80211_priv(dev);
1682
1683 rtl8192_qos_handle_probe_response(priv,1,network);
1684
1685 queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1686 return 0;
1687
1688 }
1689
1690 /*
1691 * handling the beaconing responses. if we get different QoS setting
1692 * off the network from the associated setting, adjust the QoS setting
1693 */
1694 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1695 struct ieee80211_network *network)
1696 {
1697 int ret = 0;
1698 unsigned long flags;
1699 u32 size = sizeof(struct ieee80211_qos_parameters);
1700 int set_qos_param = 0;
1701
1702 if ((priv == NULL) || (network == NULL))
1703 return ret;
1704
1705 if (priv->ieee80211->state != IEEE80211_LINKED)
1706 return ret;
1707
1708 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1709 return ret;
1710
1711 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1712 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1713 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1714 &network->qos_data.parameters,
1715 sizeof(struct ieee80211_qos_parameters));
1716 priv->ieee80211->current_network.qos_data.active = 1;
1717 set_qos_param = 1;
1718 /* update qos parameter for current network */
1719 priv->ieee80211->current_network.qos_data.old_param_count =
1720 priv->ieee80211->current_network.qos_data.param_count;
1721 priv->ieee80211->current_network.qos_data.param_count =
1722 network->qos_data.param_count;
1723
1724 } else {
1725 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1726 &def_qos_parameters, size);
1727 priv->ieee80211->current_network.qos_data.active = 0;
1728 priv->ieee80211->current_network.qos_data.supported = 0;
1729 set_qos_param = 1;
1730 }
1731
1732 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1733
1734 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__,
1735 network->flags, priv->ieee80211->current_network.qos_data.active);
1736 if (set_qos_param == 1)
1737 queue_work(priv->priv_wq, &priv->qos_activate);
1738
1739 return ret;
1740 }
1741
1742
1743 static int rtl8192_handle_assoc_response(struct net_device *dev,
1744 struct ieee80211_assoc_response_frame *resp,
1745 struct ieee80211_network *network)
1746 {
1747 struct r8192_priv *priv = ieee80211_priv(dev);
1748 rtl8192_qos_association_resp(priv, network);
1749 return 0;
1750 }
1751
1752
1753 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1754 static void rtl8192_update_ratr_table(struct net_device* dev)
1755 {
1756 struct r8192_priv* priv = ieee80211_priv(dev);
1757 struct ieee80211_device* ieee = priv->ieee80211;
1758 u8* pMcsRate = ieee->dot11HTOperationalRateSet;
1759 u32 ratr_value = 0;
1760 u8 rate_index = 0;
1761
1762 rtl8192_config_rate(dev, (u16*)(&ratr_value));
1763 ratr_value |= (*(u16*)(pMcsRate)) << 12;
1764
1765 switch (ieee->mode)
1766 {
1767 case IEEE_A:
1768 ratr_value &= 0x00000FF0;
1769 break;
1770 case IEEE_B:
1771 ratr_value &= 0x0000000F;
1772 break;
1773 case IEEE_G:
1774 ratr_value &= 0x00000FF7;
1775 break;
1776 case IEEE_N_24G:
1777 case IEEE_N_5G:
1778 if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
1779 ratr_value &= 0x0007F007;
1780 else{
1781 if (priv->rf_type == RF_1T2R)
1782 ratr_value &= 0x000FF007;
1783 else
1784 ratr_value &= 0x0F81F007;
1785 }
1786 break;
1787 default:
1788 break;
1789 }
1790 ratr_value &= 0x0FFFFFFF;
1791 if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
1792 ratr_value |= 0x80000000;
1793 }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
1794 ratr_value |= 0x80000000;
1795 }
1796 write_nic_dword(priv, RATR0+rate_index*4, ratr_value);
1797 write_nic_byte(priv, UFWP, 1);
1798 }
1799
1800 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
1801 {
1802 struct r8192_priv *priv = ieee80211_priv(dev);
1803 struct ieee80211_device *ieee = priv->ieee80211;
1804
1805 return !(ieee->rtllib_ap_sec_type &&
1806 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP)));
1807 }
1808
1809 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
1810 {
1811 struct ieee80211_device* ieee = priv->ieee80211;
1812 //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1813 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
1814 {
1815 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
1816 }
1817 else
1818 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
1819 }
1820
1821 static u8 rtl8192_getSupportedWireleeMode(struct net_device *dev)
1822 {
1823 return (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
1824 }
1825
1826 static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
1827 {
1828 struct r8192_priv *priv = ieee80211_priv(dev);
1829 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
1830
1831 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
1832 {
1833 if(bSupportMode & WIRELESS_MODE_N_24G)
1834 {
1835 wireless_mode = WIRELESS_MODE_N_24G;
1836 }
1837 else if(bSupportMode & WIRELESS_MODE_N_5G)
1838 {
1839 wireless_mode = WIRELESS_MODE_N_5G;
1840 }
1841 else if((bSupportMode & WIRELESS_MODE_A))
1842 {
1843 wireless_mode = WIRELESS_MODE_A;
1844 }
1845 else if((bSupportMode & WIRELESS_MODE_G))
1846 {
1847 wireless_mode = WIRELESS_MODE_G;
1848 }
1849 else if((bSupportMode & WIRELESS_MODE_B))
1850 {
1851 wireless_mode = WIRELESS_MODE_B;
1852 }
1853 else{
1854 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
1855 wireless_mode = WIRELESS_MODE_B;
1856 }
1857 }
1858 priv->ieee80211->mode = wireless_mode;
1859
1860 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
1861 priv->ieee80211->pHTInfo->bEnableHT = 1;
1862 else
1863 priv->ieee80211->pHTInfo->bEnableHT = 0;
1864 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1865 rtl8192_refresh_supportrate(priv);
1866 }
1867
1868 static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
1869 {
1870 struct r8192_priv* priv = ieee80211_priv(dev);
1871 struct ieee80211_device* ieee = priv->ieee80211;
1872
1873 return ieee->bHalfWirelessN24GMode;
1874 }
1875
1876 short rtl8192_is_tx_queue_empty(struct net_device *dev)
1877 {
1878 int i=0;
1879 struct r8192_priv *priv = ieee80211_priv(dev);
1880 for (i=0; i<=MGNT_QUEUE; i++)
1881 {
1882 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1883 continue;
1884 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1885 printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1886 return 0;
1887 }
1888 }
1889 return 1;
1890 }
1891
1892 static void rtl8192_hw_sleep_down(struct net_device *dev)
1893 {
1894 struct r8192_priv *priv = ieee80211_priv(dev);
1895 unsigned long flags = 0;
1896
1897 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1898 if (priv->RFChangeInProgress) {
1899 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1900 RT_TRACE(COMP_RF, "rtl8192_hw_sleep_down(): RF Change in progress! \n");
1901 printk("rtl8192_hw_sleep_down(): RF Change in progress!\n");
1902 return;
1903 }
1904 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1905
1906 MgntActSet_RF_State(dev, eRfSleep, RF_CHANGE_BY_PS);
1907 }
1908
1909 static void rtl8192_hw_sleep_wq (struct work_struct *work)
1910 {
1911 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
1912 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq);
1913 struct net_device *dev = ieee->dev;
1914
1915 rtl8192_hw_sleep_down(dev);
1916 }
1917
1918 static void rtl8192_hw_wakeup(struct net_device* dev)
1919 {
1920 struct r8192_priv *priv = ieee80211_priv(dev);
1921 unsigned long flags = 0;
1922
1923 spin_lock_irqsave(&priv->rf_ps_lock,flags);
1924 if (priv->RFChangeInProgress) {
1925 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1926 RT_TRACE(COMP_RF, "rtl8192_hw_wakeup(): RF Change in progress! \n");
1927 printk("rtl8192_hw_wakeup(): RF Change in progress! schedule wake up task again\n");
1928 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
1929 return;
1930 }
1931 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
1932
1933 MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_PS);
1934 }
1935
1936 void rtl8192_hw_wakeup_wq (struct work_struct *work)
1937 {
1938 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
1939 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
1940 struct net_device *dev = ieee->dev;
1941 rtl8192_hw_wakeup(dev);
1942
1943 }
1944
1945 #define MIN_SLEEP_TIME 50
1946 #define MAX_SLEEP_TIME 10000
1947 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
1948 {
1949 struct r8192_priv *priv = ieee80211_priv(dev);
1950 u32 tmp;
1951 u32 rb = jiffies;
1952
1953 spin_lock(&priv->ps_lock);
1954
1955 // Writing HW register with 0 equals to disable
1956 // the timer, that is not really what we want
1957 //
1958 tl -= MSECS(8+16+7);
1959
1960 // If the interval in witch we are requested to sleep is too
1961 // short then give up and remain awake
1962 // when we sleep after send null frame, the timer will be too short to sleep.
1963 //
1964 if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
1965 ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
1966 printk("too short to sleep::%x, %x, %lx\n",tl, rb, MSECS(MIN_SLEEP_TIME));
1967 goto out_unlock;
1968 }
1969
1970 if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
1971 ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
1972 ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
1973 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME));
1974 goto out_unlock;
1975 }
1976
1977 tmp = (tl>rb)?(tl-rb):(rb-tl);
1978 queue_delayed_work(priv->ieee80211->wq,
1979 &priv->ieee80211->hw_wakeup_wq,tmp);
1980
1981 queue_delayed_work(priv->ieee80211->wq,
1982 (void *)&priv->ieee80211->hw_sleep_wq,0);
1983 out_unlock:
1984 spin_unlock(&priv->ps_lock);
1985 }
1986
1987 static void rtl8192_init_priv_variable(struct net_device* dev)
1988 {
1989 struct r8192_priv *priv = ieee80211_priv(dev);
1990 u8 i;
1991 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
1992
1993 // Default Halt the NIC if RF is OFF.
1994 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
1995 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
1996 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
1997 pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
1998 pPSC->bLeisurePs = true;
1999 pPSC->RegMaxLPSAwakeIntvl = 5;
2000 priv->bHwRadioOff = false;
2001
2002 priv->being_init_adapter = false;
2003 priv->txringcount = 64;//32;
2004 priv->rxbuffersize = 9100;//2048;//1024;
2005 priv->rxringcount = MAX_RX_COUNT;//64;
2006 priv->irq_enabled=0;
2007 priv->rx_skb_complete = 1;
2008 priv->chan = 1; //set to channel 1
2009 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
2010 priv->RegChannelPlan = 0xf;
2011 priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
2012 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2013 priv->ieee80211->ieee_up=0;
2014 priv->retry_rts = DEFAULT_RETRY_RTS;
2015 priv->retry_data = DEFAULT_RETRY_DATA;
2016 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2017 priv->ieee80211->rate = 110; //11 mbps
2018 priv->ieee80211->short_slot = 1;
2019 priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0;
2020 priv->bcck_in_ch14 = false;
2021 priv->CCKPresentAttentuation = 0;
2022 priv->rfa_txpowertrackingindex = 0;
2023 priv->rfc_txpowertrackingindex = 0;
2024 priv->CckPwEnl = 6;
2025 //added by amy for silent reset
2026 priv->ResetProgress = RESET_TYPE_NORESET;
2027 priv->bForcedSilentReset = 0;
2028 priv->bDisableNormalResetCheck = false;
2029 priv->force_reset = false;
2030 //added by amy for power save
2031 priv->ieee80211->RfOffReason = 0;
2032 priv->RFChangeInProgress = false;
2033 priv->bHwRfOffAction = 0;
2034 priv->SetRFPowerStateInProgress = false;
2035 priv->ieee80211->PowerSaveControl.bInactivePs = true;
2036 priv->ieee80211->PowerSaveControl.bIPSModeBackup = false;
2037
2038 priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
2039 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2040 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2041 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2042 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
2043 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE;
2044
2045 priv->ieee80211->active_scan = 1;
2046 priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2047 priv->ieee80211->host_encrypt = 1;
2048 priv->ieee80211->host_decrypt = 1;
2049 priv->ieee80211->start_send_beacons = rtl8192_start_beacon;//+by david 081107
2050 priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;//+by david 081107
2051 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2052 priv->ieee80211->set_chan = rtl8192_set_chan;
2053 priv->ieee80211->link_change = rtl8192_link_change;
2054 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2055 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2056 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2057 priv->ieee80211->init_wmmparam_flag = 0;
2058 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2059 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2060 priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
2061 priv->ieee80211->qos_support = 1;
2062 priv->ieee80211->dot11PowerSaveMode = 0;
2063 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2064 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2065 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2066
2067 priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
2068 priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
2069 priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
2070 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
2071 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2072 priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
2073
2074 priv->ieee80211->InitialGainHandler = InitialGain819xPci;
2075
2076 #ifdef ENABLE_IPS
2077 priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
2078 priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
2079 #endif
2080 #ifdef ENABLE_LPS
2081 priv->ieee80211->LeisurePSLeave = LeisurePSLeave;
2082 #endif
2083
2084 priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
2085 priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
2086
2087 priv->ShortRetryLimit = 0x30;
2088 priv->LongRetryLimit = 0x30;
2089
2090 priv->ReceiveConfig = RCR_ADD3 |
2091 RCR_AMF | RCR_ADF | //accept management/data
2092 RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
2093 RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
2094 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
2095 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
2096
2097 priv->irq_mask = (u32)(IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |
2098 IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |
2099 IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |
2100 IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER);
2101
2102 priv->pFirmware = vzalloc(sizeof(rt_firmware));
2103
2104 /* rx related queue */
2105 skb_queue_head_init(&priv->skb_queue);
2106
2107 /* Tx related queue */
2108 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
2109 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
2110 }
2111 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
2112 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
2113 }
2114 priv->rf_set_chan = rtl8192_phy_SwChnl;
2115 }
2116
2117 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
2118 {
2119 spin_lock_init(&priv->irq_th_lock);
2120 spin_lock_init(&priv->rf_ps_lock);
2121 spin_lock_init(&priv->ps_lock);
2122 sema_init(&priv->wx_sem,1);
2123 sema_init(&priv->rf_sem,1);
2124 mutex_init(&priv->mutex);
2125 }
2126
2127 /* init tasklet and wait_queue here */
2128 #define DRV_NAME "wlan0"
2129 static void rtl8192_init_priv_task(struct net_device* dev)
2130 {
2131 struct r8192_priv *priv = ieee80211_priv(dev);
2132
2133 priv->priv_wq = create_workqueue(DRV_NAME);
2134
2135 #ifdef ENABLE_IPS
2136 INIT_WORK(&priv->ieee80211->ips_leave_wq, IPSLeave_wq);
2137 #endif
2138
2139 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2140 INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2141 INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
2142 INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
2143 INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2144 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2145 INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, rtl8192_hw_wakeup_wq);
2146 INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq, rtl8192_hw_sleep_wq);
2147
2148 tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet,
2149 (unsigned long) priv);
2150 tasklet_init(&priv->irq_tx_tasklet, rtl8192_irq_tx_tasklet,
2151 (unsigned long) priv);
2152 tasklet_init(&priv->irq_prepare_beacon_tasklet, rtl8192_prepare_beacon,
2153 (unsigned long) priv);
2154 }
2155
2156 static void rtl8192_get_eeprom_size(struct net_device* dev)
2157 {
2158 u16 curCR = 0;
2159 struct r8192_priv *priv = ieee80211_priv(dev);
2160 RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2161 curCR = read_nic_dword(priv, EPROM_CMD);
2162 RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2163 //whether need I consider BIT5?
2164 priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2165 RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2166 }
2167
2168 /*
2169 * Adapter->EEPROMAddressSize should be set before this function call.
2170 * EEPROM address size can be got through GetEEPROMSize8185()
2171 */
2172 static void rtl8192_read_eeprom_info(struct r8192_priv *priv)
2173 {
2174 struct net_device *dev = priv->ieee80211->dev;
2175 u8 tempval;
2176 u8 ICVer8192, ICVer8256;
2177 u16 i,usValue, IC_Version;
2178 u16 EEPROMId;
2179 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2180 RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2181
2182
2183 // TODO: I don't know if we need to apply EF function to EEPROM read function
2184
2185 //2 Read EEPROM ID to make sure autoload is success
2186 EEPROMId = eprom_read(dev, 0);
2187 if( EEPROMId != RTL8190_EEPROM_ID )
2188 {
2189 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2190 priv->AutoloadFailFlag=true;
2191 }
2192 else
2193 {
2194 priv->AutoloadFailFlag=false;
2195 }
2196
2197 //
2198 // Assign Chip Version ID
2199 //
2200 // Read IC Version && Channel Plan
2201 if(!priv->AutoloadFailFlag)
2202 {
2203 // VID, PID
2204 priv->eeprom_vid = eprom_read(dev, (EEPROM_VID >> 1));
2205 priv->eeprom_did = eprom_read(dev, (EEPROM_DID >> 1));
2206
2207 usValue = eprom_read(dev, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2208 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2209 usValue = eprom_read(dev, (EEPROM_ICVersion_ChannelPlan>>1));
2210 priv->eeprom_ChannelPlan = usValue&0xff;
2211 IC_Version = ((usValue&0xff00)>>8);
2212
2213 ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2214 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2215 RT_TRACE(COMP_INIT, "\nICVer8192 = 0x%x\n", ICVer8192);
2216 RT_TRACE(COMP_INIT, "\nICVer8256 = 0x%x\n", ICVer8256);
2217 if(ICVer8192 == 0x2) //B-cut
2218 {
2219 if(ICVer8256 == 0x5) //E-cut
2220 priv->card_8192_version= VERSION_8190_BE;
2221 }
2222
2223 switch(priv->card_8192_version)
2224 {
2225 case VERSION_8190_BD:
2226 case VERSION_8190_BE:
2227 break;
2228 default:
2229 priv->card_8192_version = VERSION_8190_BD;
2230 break;
2231 }
2232 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2233 }
2234 else
2235 {
2236 priv->card_8192_version = VERSION_8190_BD;
2237 priv->eeprom_vid = 0;
2238 priv->eeprom_did = 0;
2239 priv->eeprom_CustomerID = 0;
2240 priv->eeprom_ChannelPlan = 0;
2241 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", 0xff);
2242 }
2243
2244 RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2245 RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2246 RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2247
2248 //2 Read Permanent MAC address
2249 if(!priv->AutoloadFailFlag)
2250 {
2251 for(i = 0; i < 6; i += 2)
2252 {
2253 usValue = eprom_read(dev, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2254 *(u16*)(&dev->dev_addr[i]) = usValue;
2255 }
2256 } else {
2257 // when auto load failed, the last address byte set to be a random one.
2258 // added by david woo.2007/11/7
2259 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2260 }
2261
2262 RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
2263
2264 //2 TX Power Check EEPROM Fail or not
2265 if(priv->card_8192_version > VERSION_8190_BD) {
2266 priv->bTXPowerDataReadFromEEPORM = true;
2267 } else {
2268 priv->bTXPowerDataReadFromEEPORM = false;
2269 }
2270
2271 // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2272 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2273
2274 if(priv->card_8192_version > VERSION_8190_BD)
2275 {
2276 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2277 if(!priv->AutoloadFailFlag)
2278 {
2279 tempval = (eprom_read(dev, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2280 priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0]
2281
2282 if (tempval&0x80) //RF-indication, bit[7]
2283 priv->rf_type = RF_1T2R;
2284 else
2285 priv->rf_type = RF_2T4R;
2286 }
2287 else
2288 {
2289 priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2290 }
2291 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2292 priv->EEPROMLegacyHTTxPowerDiff);
2293
2294 // Read ThermalMeter from EEPROM
2295 if(!priv->AutoloadFailFlag)
2296 {
2297 priv->EEPROMThermalMeter = (u8)(((eprom_read(dev, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2298 }
2299 else
2300 {
2301 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2302 }
2303 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2304 //vivi, for tx power track
2305 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2306
2307 if(priv->epromtype == EPROM_93c46)
2308 {
2309 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2310 if(!priv->AutoloadFailFlag)
2311 {
2312 usValue = eprom_read(dev, (EEPROM_TxPwDiff_CrystalCap>>1));
2313 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2314 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2315 }
2316 else
2317 {
2318 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2319 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2320 }
2321 RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2322 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2323
2324 //
2325 // Get per-channel Tx Power Level
2326 //
2327 for(i=0; i<14; i+=2)
2328 {
2329 if(!priv->AutoloadFailFlag)
2330 {
2331 usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2332 }
2333 else
2334 {
2335 usValue = EEPROM_Default_TxPower;
2336 }
2337 *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2338 RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2339 RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2340 }
2341 for(i=0; i<14; i+=2)
2342 {
2343 if(!priv->AutoloadFailFlag)
2344 {
2345 usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2346 }
2347 else
2348 {
2349 usValue = EEPROM_Default_TxPower;
2350 }
2351 *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2352 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2353 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2354 }
2355 }
2356
2357 //
2358 // Update HAL variables.
2359 //
2360 if(priv->epromtype == EPROM_93c46)
2361 {
2362 for(i=0; i<14; i++)
2363 {
2364 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2365 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
2366 }
2367 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2368 // Antenna B gain offset to antenna A, bit0~3
2369 priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
2370 // Antenna C gain offset to antenna A, bit4~7
2371 priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
2372 // Antenna D gain offset to antenna A, bit8~11
2373 priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
2374 // CrystalCap, bit12~15
2375 priv->CrystalCap = priv->EEPROMCrystalCap;
2376 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2377 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2378 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2379 }
2380 else if(priv->epromtype == EPROM_93c56)
2381 {
2382 for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level.
2383 {
2384 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0];
2385 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
2386 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0];
2387 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
2388 }
2389 for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level
2390 {
2391 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1];
2392 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
2393 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1];
2394 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
2395 }
2396 for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level
2397 {
2398 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2];
2399 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
2400 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2];
2401 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
2402 }
2403 for(i=0; i<14; i++)
2404 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
2405 for(i=0; i<14; i++)
2406 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
2407 for(i=0; i<14; i++)
2408 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
2409 for(i=0; i<14; i++)
2410 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
2411 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2412 priv->AntennaTxPwDiff[0] = 0;
2413 priv->AntennaTxPwDiff[1] = 0;
2414 priv->AntennaTxPwDiff[2] = 0;
2415 priv->CrystalCap = priv->EEPROMCrystalCap;
2416 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2417 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2418 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2419 }
2420 }
2421
2422 if(priv->rf_type == RF_1T2R)
2423 {
2424 RT_TRACE(COMP_INIT, "\n1T2R config\n");
2425 }
2426 else if (priv->rf_type == RF_2T4R)
2427 {
2428 RT_TRACE(COMP_INIT, "\n2T4R config\n");
2429 }
2430
2431 // 2008/01/16 MH We can only know RF type in the function. So we have to init
2432 // DIG RATR table again.
2433 init_rate_adaptive(dev);
2434
2435 //1 Make a copy for following variables and we can change them if we want
2436
2437 if(priv->RegChannelPlan == 0xf)
2438 {
2439 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2440 }
2441 else
2442 {
2443 priv->ChannelPlan = priv->RegChannelPlan;
2444 }
2445
2446 //
2447 // Used PID and DID to Set CustomerID
2448 //
2449 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 )
2450 {
2451 priv->CustomerID = RT_CID_DLINK;
2452 }
2453
2454 switch(priv->eeprom_CustomerID)
2455 {
2456 case EEPROM_CID_DEFAULT:
2457 priv->CustomerID = RT_CID_DEFAULT;
2458 break;
2459 case EEPROM_CID_CAMEO:
2460 priv->CustomerID = RT_CID_819x_CAMEO;
2461 break;
2462 case EEPROM_CID_RUNTOP:
2463 priv->CustomerID = RT_CID_819x_RUNTOP;
2464 break;
2465 case EEPROM_CID_NetCore:
2466 priv->CustomerID = RT_CID_819x_Netcore;
2467 break;
2468 case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31
2469 priv->CustomerID = RT_CID_TOSHIBA;
2470 if(priv->eeprom_ChannelPlan&0x80)
2471 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
2472 else
2473 priv->ChannelPlan = 0x0;
2474 RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
2475 priv->ChannelPlan);
2476 break;
2477 case EEPROM_CID_Nettronix:
2478 priv->CustomerID = RT_CID_Nettronix;
2479 break;
2480 case EEPROM_CID_Pronet:
2481 priv->CustomerID = RT_CID_PRONET;
2482 break;
2483 case EEPROM_CID_DLINK:
2484 priv->CustomerID = RT_CID_DLINK;
2485 break;
2486
2487 case EEPROM_CID_WHQL:
2488 break;
2489 default:
2490 // value from RegCustomerID
2491 break;
2492 }
2493
2494 //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2495 if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
2496 priv->ChannelPlan = 0; //FCC
2497
2498 switch(priv->CustomerID)
2499 {
2500 case RT_CID_DEFAULT:
2501 priv->LedStrategy = SW_LED_MODE1;
2502 break;
2503
2504 case RT_CID_819x_CAMEO:
2505 priv->LedStrategy = SW_LED_MODE2;
2506 break;
2507
2508 case RT_CID_819x_RUNTOP:
2509 priv->LedStrategy = SW_LED_MODE3;
2510 break;
2511
2512 case RT_CID_819x_Netcore:
2513 priv->LedStrategy = SW_LED_MODE4;
2514 break;
2515
2516 case RT_CID_Nettronix:
2517 priv->LedStrategy = SW_LED_MODE5;
2518 break;
2519
2520 case RT_CID_PRONET:
2521 priv->LedStrategy = SW_LED_MODE6;
2522 break;
2523
2524 case RT_CID_TOSHIBA: //Modify by Jacken 2008/01/31
2525 // Do nothing.
2526 //break;
2527
2528 default:
2529 priv->LedStrategy = SW_LED_MODE1;
2530 break;
2531 }
2532
2533
2534 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304)
2535 priv->ieee80211->bSupportRemoteWakeUp = true;
2536 else
2537 priv->ieee80211->bSupportRemoteWakeUp = false;
2538
2539
2540 RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
2541 RT_TRACE(COMP_INIT, "ChannelPlan = %d \n", priv->ChannelPlan);
2542 RT_TRACE(COMP_INIT, "LedStrategy = %d \n", priv->LedStrategy);
2543 RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
2544
2545 return ;
2546 }
2547
2548
2549 static short rtl8192_get_channel_map(struct net_device * dev)
2550 {
2551 struct r8192_priv *priv = ieee80211_priv(dev);
2552 #ifdef ENABLE_DOT11D
2553 if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
2554 printk("rtl8180_init:Error channel plan! Set to default.\n");
2555 priv->ChannelPlan= 0;
2556 }
2557 RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
2558
2559 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2560 #else
2561 int ch,i;
2562 //Set Default Channel Plan
2563 if(!channels){
2564 DMESG("No channels, aborting");
2565 return -1;
2566 }
2567 ch=channels;
2568 priv->ChannelPlan= 0;//hikaru
2569 // set channels 1..14 allowed in given locale
2570 for (i=1; i<=14; i++) {
2571 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
2572 ch >>= 1;
2573 }
2574 #endif
2575 return 0;
2576 }
2577
2578 static short rtl8192_init(struct net_device *dev)
2579 {
2580 struct r8192_priv *priv = ieee80211_priv(dev);
2581 memset(&(priv->stats),0,sizeof(struct Stats));
2582 rtl8192_init_priv_variable(dev);
2583 rtl8192_init_priv_lock(priv);
2584 rtl8192_init_priv_task(dev);
2585 rtl8192_get_eeprom_size(dev);
2586 rtl8192_read_eeprom_info(priv);
2587 rtl8192_get_channel_map(dev);
2588 init_hal_dm(dev);
2589 init_timer(&priv->watch_dog_timer);
2590 priv->watch_dog_timer.data = (unsigned long)dev;
2591 priv->watch_dog_timer.function = watch_dog_timer_callback;
2592 if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, dev)) {
2593 printk("Error allocating IRQ %d",dev->irq);
2594 return -1;
2595 }else{
2596 priv->irq=dev->irq;
2597 printk("IRQ %d",dev->irq);
2598 }
2599 if(rtl8192_pci_initdescring(dev)!=0){
2600 printk("Endopoints initialization failed");
2601 return -1;
2602 }
2603
2604 return 0;
2605 }
2606
2607 /*
2608 * Actually only set RRSR, RATR and BW_OPMODE registers
2609 * not to do all the hw config as its name says
2610 * This part need to modified according to the rate set we filtered
2611 */
2612 static void rtl8192_hwconfig(struct net_device* dev)
2613 {
2614 u32 regRATR = 0, regRRSR = 0;
2615 u8 regBwOpMode = 0, regTmp = 0;
2616 struct r8192_priv *priv = ieee80211_priv(dev);
2617
2618 // Set RRSR, RATR, and BW_OPMODE registers
2619 //
2620 switch(priv->ieee80211->mode)
2621 {
2622 case WIRELESS_MODE_B:
2623 regBwOpMode = BW_OPMODE_20MHZ;
2624 regRATR = RATE_ALL_CCK;
2625 regRRSR = RATE_ALL_CCK;
2626 break;
2627 case WIRELESS_MODE_A:
2628 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2629 regRATR = RATE_ALL_OFDM_AG;
2630 regRRSR = RATE_ALL_OFDM_AG;
2631 break;
2632 case WIRELESS_MODE_G:
2633 regBwOpMode = BW_OPMODE_20MHZ;
2634 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2635 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2636 break;
2637 case WIRELESS_MODE_AUTO:
2638 case WIRELESS_MODE_N_24G:
2639 // It support CCK rate by default.
2640 // CCK rate will be filtered out only when associated AP does not support it.
2641 regBwOpMode = BW_OPMODE_20MHZ;
2642 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2643 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2644 break;
2645 case WIRELESS_MODE_N_5G:
2646 regBwOpMode = BW_OPMODE_5G;
2647 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2648 regRRSR = RATE_ALL_OFDM_AG;
2649 break;
2650 }
2651
2652 write_nic_byte(priv, BW_OPMODE, regBwOpMode);
2653 {
2654 u32 ratr_value = 0;
2655 ratr_value = regRATR;
2656 if (priv->rf_type == RF_1T2R)
2657 {
2658 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2659 }
2660 write_nic_dword(priv, RATR0, ratr_value);
2661 write_nic_byte(priv, UFWP, 1);
2662 }
2663 regTmp = read_nic_byte(priv, 0x313);
2664 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2665 write_nic_dword(priv, RRSR, regRRSR);
2666
2667 //
2668 // Set Retry Limit here
2669 //
2670 write_nic_word(priv, RETRY_LIMIT,
2671 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2672 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2673 // Set Contention Window here
2674
2675 // Set Tx AGC
2676
2677 // Set Tx Antenna including Feedback control
2678
2679 // Set Auto Rate fallback control
2680
2681
2682 }
2683
2684
2685 static RT_STATUS rtl8192_adapter_start(struct net_device *dev)
2686 {
2687 struct r8192_priv *priv = ieee80211_priv(dev);
2688 u32 ulRegRead;
2689 RT_STATUS rtStatus = RT_STATUS_SUCCESS;
2690 u8 tmpvalue;
2691 u8 ICVersion,SwitchingRegulatorOutput;
2692 bool bfirmwareok = true;
2693 u32 tmpRegA, tmpRegC, TempCCk;
2694 int i =0;
2695
2696 RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
2697 priv->being_init_adapter = true;
2698 rtl8192_pci_resetdescring(dev);
2699 // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2700 priv->Rf_Mode = RF_OP_By_SW_3wire;
2701
2702 //dPLL on
2703 if(priv->ResetProgress == RESET_TYPE_NORESET)
2704 {
2705 write_nic_byte(priv, ANAPAR, 0x37);
2706 // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
2707 // Joseph increae the time to prevent firmware download fail
2708 mdelay(500);
2709 }
2710
2711 //PlatformSleepUs(10000);
2712 // For any kind of InitializeAdapter process, we shall use system now!!
2713 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2714
2715 //
2716 //3 //Config CPUReset Register
2717 //3//
2718 //3 Firmware Reset Or Not
2719 ulRegRead = read_nic_dword(priv, CPU_GEN);
2720 if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2721 { //called from MPInitialized. do nothing
2722 ulRegRead |= CPU_GEN_SYSTEM_RESET;
2723 }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2724 ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset
2725 else
2726 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status);
2727
2728 write_nic_dword(priv, CPU_GEN, ulRegRead);
2729
2730 //3//
2731 //3 //Fix the issue of E-cut high temperature issue
2732 //3//
2733 // TODO: E cut only
2734 ICVersion = read_nic_byte(priv, IC_VERRSION);
2735 if(ICVersion >= 0x4) //E-cut only
2736 {
2737 // HW SD suggest that we should not wirte this register too often, so driver
2738 // should readback this register. This register will be modified only when
2739 // power on reset
2740 SwitchingRegulatorOutput = read_nic_byte(priv, SWREGULATOR);
2741 if(SwitchingRegulatorOutput != 0xb8)
2742 {
2743 write_nic_byte(priv, SWREGULATOR, 0xa8);
2744 mdelay(1);
2745 write_nic_byte(priv, SWREGULATOR, 0xb8);
2746 }
2747 }
2748
2749 //3//
2750 //3// Initialize BB before MAC
2751 //3//
2752 RT_TRACE(COMP_INIT, "BB Config Start!\n");
2753 rtStatus = rtl8192_BBConfig(dev);
2754 if(rtStatus != RT_STATUS_SUCCESS)
2755 {
2756 RT_TRACE(COMP_ERR, "BB Config failed\n");
2757 return rtStatus;
2758 }
2759 RT_TRACE(COMP_INIT,"BB Config Finished!\n");
2760
2761 //3//Set Loopback mode or Normal mode
2762 //3//
2763 //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
2764 // because setting of System_Reset bit reset MAC to default transmission mode.
2765 //Loopback mode or not
2766 priv->LoopbackMode = RTL819X_NO_LOOPBACK;
2767 if(priv->ResetProgress == RESET_TYPE_NORESET)
2768 {
2769 ulRegRead = read_nic_dword(priv, CPU_GEN);
2770 if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
2771 {
2772 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
2773 }
2774 else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
2775 {
2776 ulRegRead |= CPU_CCK_LOOPBACK;
2777 }
2778 else
2779 {
2780 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
2781 }
2782
2783 //2008.06.03, for WOL
2784 //ulRegRead &= (~(CPU_GEN_GPIO_UART));
2785 write_nic_dword(priv, CPU_GEN, ulRegRead);
2786
2787 // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
2788 udelay(500);
2789 }
2790 //3Set Hardware(Do nothing now)
2791 rtl8192_hwconfig(dev);
2792 //2=======================================================
2793 // Common Setting for all of the FPGA platform. (part 1)
2794 //2=======================================================
2795 // If there is changes, please make sure it applies to all of the FPGA version
2796 //3 Turn on Tx/Rx
2797 write_nic_byte(priv, CMDR, CR_RE|CR_TE);
2798
2799 //2Set Tx dma burst
2800 write_nic_byte(priv, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
2801 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
2802
2803 //set IDR0 here
2804 write_nic_dword(priv, MAC0, ((u32*)dev->dev_addr)[0]);
2805 write_nic_word(priv, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
2806 //set RCR
2807 write_nic_dword(priv, RCR, priv->ReceiveConfig);
2808
2809 //3 Initialize Number of Reserved Pages in Firmware Queue
2810 write_nic_dword(priv, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2811 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2812 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2813 NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2814 write_nic_dword(priv, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
2815 write_nic_dword(priv, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
2816 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
2817 NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
2818
2819 rtl8192_tx_enable(dev);
2820 rtl8192_rx_enable(dev);
2821 //3Set Response Rate Setting Register
2822 // CCK rate is supported by default.
2823 // CCK rate will be filtered out only when associated AP does not support it.
2824 ulRegRead = (0xFFF00000 & read_nic_dword(priv, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
2825 write_nic_dword(priv, RRSR, ulRegRead);
2826 write_nic_dword(priv, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2827
2828 //2Set AckTimeout
2829 // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
2830 write_nic_byte(priv, ACK_TIMEOUT, 0x30);
2831
2832 if(priv->ResetProgress == RESET_TYPE_NORESET)
2833 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2834 //-----------------------------------------------------------------------------
2835 // Set up security related. 070106, by rcnjko:
2836 // 1. Clear all H/W keys.
2837 // 2. Enable H/W encryption/decryption.
2838 //-----------------------------------------------------------------------------
2839 CamResetAllEntry(dev);
2840 {
2841 u8 SECR_value = 0x0;
2842 SECR_value |= SCR_TxEncEnable;
2843 SECR_value |= SCR_RxDecEnable;
2844 SECR_value |= SCR_NoSKMC;
2845 write_nic_byte(priv, SECR, SECR_value);
2846 }
2847 //3Beacon related
2848 write_nic_word(priv, ATIMWND, 2);
2849 write_nic_word(priv, BCN_INTERVAL, 100);
2850 for (i=0; i<QOS_QUEUE_NUM; i++)
2851 write_nic_dword(priv, WDCAPARA_ADD[i], 0x005e4332);
2852 //
2853 // Switching regulator controller: This is set temporarily.
2854 // It's not sure if this can be removed in the future.
2855 // PJ advised to leave it by default.
2856 //
2857 write_nic_byte(priv, 0xbe, 0xc0);
2858
2859 //2=======================================================
2860 // Set PHY related configuration defined in MAC register bank
2861 //2=======================================================
2862 rtl8192_phy_configmac(dev);
2863
2864 if (priv->card_8192_version > (u8) VERSION_8190_BD) {
2865 rtl8192_phy_getTxPower(dev);
2866 rtl8192_phy_setTxPower(dev, priv->chan);
2867 }
2868
2869 //if D or C cut
2870 tmpvalue = read_nic_byte(priv, IC_VERRSION);
2871 priv->IC_Cut = tmpvalue;
2872 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
2873 if(priv->IC_Cut >= IC_VersionCut_D)
2874 {
2875 //pHalData->bDcut = TRUE;
2876 if(priv->IC_Cut == IC_VersionCut_D)
2877 RT_TRACE(COMP_INIT, "D-cut\n");
2878 if(priv->IC_Cut == IC_VersionCut_E)
2879 {
2880 RT_TRACE(COMP_INIT, "E-cut\n");
2881 // HW SD suggest that we should not wirte this register too often, so driver
2882 // should readback this register. This register will be modified only when
2883 // power on reset
2884 }
2885 }
2886 else
2887 {
2888 //pHalData->bDcut = FALSE;
2889 RT_TRACE(COMP_INIT, "Before C-cut\n");
2890 }
2891
2892 //Firmware download
2893 RT_TRACE(COMP_INIT, "Load Firmware!\n");
2894 bfirmwareok = init_firmware(dev);
2895 if(bfirmwareok != true) {
2896 rtStatus = RT_STATUS_FAILURE;
2897 return rtStatus;
2898 }
2899 RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
2900
2901 //RF config
2902 if(priv->ResetProgress == RESET_TYPE_NORESET)
2903 {
2904 RT_TRACE(COMP_INIT, "RF Config Started!\n");
2905 rtStatus = rtl8192_phy_RFConfig(dev);
2906 if(rtStatus != RT_STATUS_SUCCESS)
2907 {
2908 RT_TRACE(COMP_ERR, "RF Config failed\n");
2909 return rtStatus;
2910 }
2911 RT_TRACE(COMP_INIT, "RF Config Finished!\n");
2912 }
2913 rtl8192_phy_updateInitGain(dev);
2914
2915 /*---- Set CCK and OFDM Block "ON"----*/
2916 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
2917 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
2918
2919 //Enable Led
2920 write_nic_byte(priv, 0x87, 0x0);
2921
2922 //2=======================================================
2923 // RF Power Save
2924 //2=======================================================
2925 #ifdef ENABLE_IPS
2926
2927 {
2928 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
2929 { // H/W or S/W RF OFF before sleep.
2930 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d) ----------\n", __FUNCTION__,priv->ieee80211->RfOffReason);
2931 MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason);
2932 }
2933 else if(priv->ieee80211->RfOffReason >= RF_CHANGE_BY_IPS)
2934 { // H/W or S/W RF OFF before sleep.
2935 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d) ----------\n", __FUNCTION__,priv->ieee80211->RfOffReason);
2936 MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason);
2937 }
2938 else
2939 {
2940 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
2941 priv->ieee80211->eRFPowerState = eRfOn;
2942 priv->ieee80211->RfOffReason = 0;
2943 }
2944 }
2945 #endif
2946 // We can force firmware to do RF-R/W
2947 if(priv->ieee80211->FwRWRF)
2948 priv->Rf_Mode = RF_OP_By_FW;
2949 else
2950 priv->Rf_Mode = RF_OP_By_SW_3wire;
2951
2952 if(priv->ResetProgress == RESET_TYPE_NORESET)
2953 {
2954 dm_initialize_txpower_tracking(dev);
2955
2956 if(priv->IC_Cut >= IC_VersionCut_D)
2957 {
2958 tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord);
2959 tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord);
2960 for(i = 0; i<TxBBGainTableLength; i++)
2961 {
2962 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
2963 {
2964 priv->rfa_txpowertrackingindex= (u8)i;
2965 priv->rfa_txpowertrackingindex_real= (u8)i;
2966 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
2967 break;
2968 }
2969 }
2970
2971 TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
2972
2973 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
2974 {
2975 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
2976 {
2977 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
2978 break;
2979 }
2980 }
2981 priv->CCKPresentAttentuation_40Mdefault = 0;
2982 priv->CCKPresentAttentuation_difference = 0;
2983 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
2984 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
2985 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
2986 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
2987 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
2988 priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
2989 }
2990 }
2991
2992 rtl8192_irq_enable(dev);
2993 priv->being_init_adapter = false;
2994 return rtStatus;
2995
2996 }
2997
2998 static void rtl8192_prepare_beacon(unsigned long arg)
2999 {
3000 struct r8192_priv *priv = (struct r8192_priv*) arg;
3001 struct sk_buff *skb;
3002 cb_desc *tcb_desc;
3003
3004 skb = ieee80211_get_beacon(priv->ieee80211);
3005 tcb_desc = (cb_desc *)(skb->cb + 8);
3006 /* prepare misc info for the beacon xmit */
3007 tcb_desc->queue_index = BEACON_QUEUE;
3008 /* IBSS does not support HT yet, use 1M defaultly */
3009 tcb_desc->data_rate = 2;
3010 tcb_desc->RATRIndex = 7;
3011 tcb_desc->bTxDisableRateFallBack = 1;
3012 tcb_desc->bTxUseDriverAssingedRate = 1;
3013
3014 skb_push(skb, priv->ieee80211->tx_headroom);
3015 if(skb){
3016 rtl8192_tx(priv->ieee80211->dev,skb);
3017 }
3018 }
3019
3020
3021 /*
3022 * configure registers for beacon tx and enables it via
3023 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3024 * be used to stop beacon transmission
3025 */
3026 static void rtl8192_start_beacon(struct net_device *dev)
3027 {
3028 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3029 struct ieee80211_network *net = &priv->ieee80211->current_network;
3030 u16 BcnTimeCfg = 0;
3031 u16 BcnCW = 6;
3032 u16 BcnIFS = 0xf;
3033
3034 DMESG("Enabling beacon TX");
3035 rtl8192_irq_disable(dev);
3036 //rtl8192_beacon_tx_enable(dev);
3037
3038 /* ATIM window */
3039 write_nic_word(priv, ATIMWND, 2);
3040
3041 /* Beacon interval (in unit of TU) */
3042 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
3043
3044 /*
3045 * DrvErlyInt (in unit of TU).
3046 * (Time to send interrupt to notify driver to c
3047 * hange beacon content)
3048 * */
3049 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
3050
3051 /*
3052 * BcnDMATIM(in unit of us).
3053 * Indicates the time before TBTT to perform beacon queue DMA
3054 * */
3055 write_nic_word(priv, BCN_DMATIME, 256);
3056
3057 /*
3058 * Force beacon frame transmission even after receiving
3059 * beacon frame from other ad hoc STA
3060 * */
3061 write_nic_byte(priv, BCN_ERR_THRESH, 100);
3062
3063 /* Set CW and IFS */
3064 BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
3065 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
3066 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
3067
3068
3069 /* enable the interrupt for ad-hoc process */
3070 rtl8192_irq_enable(dev);
3071 }
3072
3073 static bool HalTxCheckStuck8190Pci(struct net_device *dev)
3074 {
3075 struct r8192_priv *priv = ieee80211_priv(dev);
3076 u16 RegTxCounter = read_nic_word(priv, 0x128);
3077 bool bStuck = FALSE;
3078 RT_TRACE(COMP_RESET,"%s():RegTxCounter is %d,TxCounter is %d\n",__FUNCTION__,RegTxCounter,priv->TxCounter);
3079 if(priv->TxCounter==RegTxCounter)
3080 bStuck = TRUE;
3081
3082 priv->TxCounter = RegTxCounter;
3083
3084 return bStuck;
3085 }
3086
3087 /*
3088 * Assumption: RT_TX_SPINLOCK is acquired.
3089 */
3090 static RESET_TYPE
3091 TxCheckStuck(struct net_device *dev)
3092 {
3093 struct r8192_priv *priv = ieee80211_priv(dev);
3094 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3095 bool bCheckFwTxCnt = false;
3096
3097 //
3098 // Decide Stuch threshold according to current power save mode
3099 //
3100 switch (priv->ieee80211->dot11PowerSaveMode)
3101 {
3102 // The threshold value may required to be adjusted .
3103 case eActive: // Active/Continuous access.
3104 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
3105 break;
3106 case eMaxPs: // Max power save mode.
3107 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3108 break;
3109 case eFastPs: // Fast power save mode.
3110 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3111 break;
3112 }
3113
3114 if(bCheckFwTxCnt)
3115 {
3116 if(HalTxCheckStuck8190Pci(dev))
3117 {
3118 RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
3119 return RESET_TYPE_SILENT;
3120 }
3121 }
3122
3123 return RESET_TYPE_NORESET;
3124 }
3125
3126
3127 static bool HalRxCheckStuck8190Pci(struct net_device *dev)
3128 {
3129 struct r8192_priv *priv = ieee80211_priv(dev);
3130 u16 RegRxCounter = read_nic_word(priv, 0x130);
3131 bool bStuck = FALSE;
3132
3133 RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
3134 // If rssi is small, we should check rx for long time because of bad rx.
3135 // or maybe it will continuous silent reset every 2 seconds.
3136 priv->rx_chk_cnt++;
3137 if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
3138 {
3139 priv->rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
3140 }
3141 else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
3142 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
3143 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
3144
3145 {
3146 if(priv->rx_chk_cnt < 2)
3147 {
3148 return bStuck;
3149 }
3150 else
3151 {
3152 priv->rx_chk_cnt = 0;
3153 }
3154 }
3155 else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
3156 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
3157 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
3158 {
3159 if(priv->rx_chk_cnt < 4)
3160 {
3161 return bStuck;
3162 }
3163 else
3164 {
3165 priv->rx_chk_cnt = 0;
3166 }
3167 }
3168 else
3169 {
3170 if(priv->rx_chk_cnt < 8)
3171 {
3172 return bStuck;
3173 }
3174 else
3175 {
3176 priv->rx_chk_cnt = 0;
3177 }
3178 }
3179 if(priv->RxCounter==RegRxCounter)
3180 bStuck = TRUE;
3181
3182 priv->RxCounter = RegRxCounter;
3183
3184 return bStuck;
3185 }
3186
3187 static RESET_TYPE RxCheckStuck(struct net_device *dev)
3188 {
3189
3190 if(HalRxCheckStuck8190Pci(dev))
3191 {
3192 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
3193 return RESET_TYPE_SILENT;
3194 }
3195
3196 return RESET_TYPE_NORESET;
3197 }
3198
3199 static RESET_TYPE
3200 rtl819x_ifcheck_resetornot(struct net_device *dev)
3201 {
3202 struct r8192_priv *priv = ieee80211_priv(dev);
3203 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
3204 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
3205 RT_RF_POWER_STATE rfState;
3206
3207 rfState = priv->ieee80211->eRFPowerState;
3208
3209 TxResetType = TxCheckStuck(dev);
3210
3211 if( rfState != eRfOff &&
3212 /*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/
3213 (priv->ieee80211->iw_mode != IW_MODE_ADHOC))
3214 {
3215 // If driver is in the status of firmware download failure , driver skips RF initialization and RF is
3216 // in turned off state. Driver should check whether Rx stuck and do silent reset. And
3217 // if driver is in firmware download failure status, driver should initialize RF in the following
3218 // silent reset procedure Emily, 2008.01.21
3219
3220 // Driver should not check RX stuck in IBSS mode because it is required to
3221 // set Check BSSID in order to send beacon, however, if check BSSID is
3222 // set, STA cannot hear any packet a all. Emily, 2008.04.12
3223 RxResetType = RxCheckStuck(dev);
3224 }
3225
3226 RT_TRACE(COMP_RESET,"%s(): TxResetType is %d, RxResetType is %d\n",__FUNCTION__,TxResetType,RxResetType);
3227 if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL)
3228 return RESET_TYPE_NORMAL;
3229 else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT)
3230 return RESET_TYPE_SILENT;
3231 else
3232 return RESET_TYPE_NORESET;
3233
3234 }
3235
3236
3237 static void CamRestoreAllEntry(struct net_device *dev)
3238 {
3239 u8 EntryId = 0;
3240 struct r8192_priv *priv = ieee80211_priv(dev);
3241 const u8* MacAddr = priv->ieee80211->current_network.bssid;
3242
3243 static const u8 CAM_CONST_ADDR[4][6] = {
3244 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
3245 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
3246 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
3247 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03}};
3248 static const u8 CAM_CONST_BROAD[] =
3249 {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3250
3251 RT_TRACE(COMP_SEC, "CamRestoreAllEntry: \n");
3252
3253
3254 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40)||
3255 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104))
3256 {
3257
3258 for(EntryId=0; EntryId<4; EntryId++)
3259 {
3260 {
3261 MacAddr = CAM_CONST_ADDR[EntryId];
3262 setKey(dev,
3263 EntryId ,
3264 EntryId,
3265 priv->ieee80211->pairwise_key_type,
3266 MacAddr,
3267 0,
3268 NULL);
3269 }
3270 }
3271
3272 }
3273 else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP)
3274 {
3275
3276 {
3277 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3278 setKey(dev,
3279 4,
3280 0,
3281 priv->ieee80211->pairwise_key_type,
3282 (u8*)dev->dev_addr,
3283 0,
3284 NULL);
3285 else
3286 setKey(dev,
3287 4,
3288 0,
3289 priv->ieee80211->pairwise_key_type,
3290 MacAddr,
3291 0,
3292 NULL);
3293 }
3294 }
3295 else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP)
3296 {
3297
3298 {
3299 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3300 setKey(dev,
3301 4,
3302 0,
3303 priv->ieee80211->pairwise_key_type,
3304 (u8*)dev->dev_addr,
3305 0,
3306 NULL);
3307 else
3308 setKey(dev,
3309 4,
3310 0,
3311 priv->ieee80211->pairwise_key_type,
3312 MacAddr,
3313 0,
3314 NULL);
3315 }
3316 }
3317
3318
3319
3320 if(priv->ieee80211->group_key_type == KEY_TYPE_TKIP)
3321 {
3322 MacAddr = CAM_CONST_BROAD;
3323 for(EntryId=1 ; EntryId<4 ; EntryId++)
3324 {
3325 {
3326 setKey(dev,
3327 EntryId,
3328 EntryId,
3329 priv->ieee80211->group_key_type,
3330 MacAddr,
3331 0,
3332 NULL);
3333 }
3334 }
3335 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3336 setKey(dev,
3337 0,
3338 0,
3339 priv->ieee80211->group_key_type,
3340 CAM_CONST_ADDR[0],
3341 0,
3342 NULL);
3343 }
3344 else if(priv->ieee80211->group_key_type == KEY_TYPE_CCMP)
3345 {
3346 MacAddr = CAM_CONST_BROAD;
3347 for(EntryId=1; EntryId<4 ; EntryId++)
3348 {
3349 {
3350 setKey(dev,
3351 EntryId ,
3352 EntryId,
3353 priv->ieee80211->group_key_type,
3354 MacAddr,
3355 0,
3356 NULL);
3357 }
3358 }
3359
3360 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3361 setKey(dev,
3362 0 ,
3363 0,
3364 priv->ieee80211->group_key_type,
3365 CAM_CONST_ADDR[0],
3366 0,
3367 NULL);
3368 }
3369 }
3370
3371 /*
3372 * This function is used to fix Tx/Rx stop bug temporarily.
3373 * This function will do "system reset" to NIC when Tx or Rx is stuck.
3374 * The method checking Tx/Rx stuck of this function is supported by FW,
3375 * which reports Tx and Rx counter to register 0x128 and 0x130.
3376 */
3377 static void rtl819x_ifsilentreset(struct net_device *dev)
3378 {
3379 struct r8192_priv *priv = ieee80211_priv(dev);
3380 u8 reset_times = 0;
3381 int reset_status = 0;
3382 struct ieee80211_device *ieee = priv->ieee80211;
3383
3384
3385 return;
3386
3387 // 2007.07.20. If we need to check CCK stop, please uncomment this line.
3388 //bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter);
3389
3390 if(priv->ResetProgress==RESET_TYPE_NORESET)
3391 {
3392 RESET_START:
3393 #ifdef ENABLE_LPS
3394 //LZM for PS-Poll AID issue. 090429
3395 if(priv->ieee80211->state == IEEE80211_LINKED)
3396 LeisurePSLeave(dev);
3397 #endif
3398
3399 RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");
3400
3401 // Set the variable for reset.
3402 priv->ResetProgress = RESET_TYPE_SILENT;
3403 // rtl8192_close(dev);
3404
3405 down(&priv->wx_sem);
3406 if(priv->up == 0)
3407 {
3408 RT_TRACE(COMP_ERR,"%s():the driver is not up! return\n",__FUNCTION__);
3409 up(&priv->wx_sem);
3410 return ;
3411 }
3412 priv->up = 0;
3413 RT_TRACE(COMP_RESET,"%s():======>start to down the driver\n",__FUNCTION__);
3414 if(!netif_queue_stopped(dev))
3415 netif_stop_queue(dev);
3416
3417 dm_backup_dynamic_mechanism_state(dev);
3418
3419 rtl8192_irq_disable(dev);
3420 rtl8192_cancel_deferred_work(priv);
3421 deinit_hal_dm(dev);
3422 del_timer_sync(&priv->watch_dog_timer);
3423 ieee->sync_scan_hurryup = 1;
3424 if(ieee->state == IEEE80211_LINKED)
3425 {
3426 down(&ieee->wx_sem);
3427 printk("ieee->state is IEEE80211_LINKED\n");
3428 ieee80211_stop_send_beacons(priv->ieee80211);
3429 del_timer_sync(&ieee->associate_timer);
3430 cancel_delayed_work(&ieee->associate_retry_wq);
3431 ieee80211_stop_scan(ieee);
3432 up(&ieee->wx_sem);
3433 }
3434 else{
3435 printk("ieee->state is NOT LINKED\n");
3436 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3437 }
3438 rtl8192_halt_adapter(dev, true);
3439 up(&priv->wx_sem);
3440 RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__FUNCTION__);
3441 RT_TRACE(COMP_RESET,"%s():===========>start to up the driver\n",__FUNCTION__);
3442 reset_status = _rtl8192_up(dev);
3443
3444 RT_TRACE(COMP_RESET,"%s():<===========up process is finished\n",__FUNCTION__);
3445 if(reset_status == -1)
3446 {
3447 if(reset_times < 3)
3448 {
3449 reset_times++;
3450 goto RESET_START;
3451 }
3452 else
3453 {
3454 RT_TRACE(COMP_ERR," ERR!!! %s(): Reset Failed!!\n",__FUNCTION__);
3455 }
3456 }
3457 ieee->is_silent_reset = 1;
3458 EnableHWSecurityConfig8192(dev);
3459 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3460 {
3461 ieee->set_chan(ieee->dev, ieee->current_network.channel);
3462
3463 queue_work(ieee->wq, &ieee->associate_complete_wq);
3464
3465 }
3466 else if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_ADHOC)
3467 {
3468 ieee->set_chan(ieee->dev, ieee->current_network.channel);
3469 ieee->link_change(ieee->dev);
3470
3471 // notify_wx_assoc_event(ieee);
3472
3473 ieee80211_start_send_beacons(ieee);
3474
3475 if (ieee->data_hard_resume)
3476 ieee->data_hard_resume(ieee->dev);
3477 netif_carrier_on(ieee->dev);
3478 }
3479
3480 CamRestoreAllEntry(dev);
3481
3482 // Restore the previous setting for all dynamic mechanism
3483 dm_restore_dynamic_mechanism_state(dev);
3484
3485 priv->ResetProgress = RESET_TYPE_NORESET;
3486 priv->reset_count++;
3487
3488 priv->bForcedSilentReset =false;
3489 priv->bResetInProgress = false;
3490
3491 // For test --> force write UFWP.
3492 write_nic_byte(priv, UFWP, 1);
3493 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
3494 }
3495 }
3496
3497 #ifdef ENABLE_IPS
3498 void InactivePsWorkItemCallback(struct net_device *dev)
3499 {
3500 struct r8192_priv *priv = ieee80211_priv(dev);
3501 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
3502
3503 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() ---------> \n");
3504 //
3505 // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
3506 // is really scheduled.
3507 // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3508 // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3509 // blocks the IPS procedure of switching RF.
3510 // By Bruce, 2007-12-25.
3511 //
3512 pPSC->bSwRfProcessing = TRUE;
3513
3514 RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3515 pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
3516
3517
3518 MgntActSet_RF_State(dev, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
3519
3520 //
3521 // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3522 //
3523 pPSC->bSwRfProcessing = FALSE;
3524 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <--------- \n");
3525 }
3526
3527 #ifdef ENABLE_LPS
3528 /* Change current and default preamble mode. */
3529 bool MgntActSet_802_11_PowerSaveMode(struct net_device *dev, u8 rtPsMode)
3530 {
3531 struct r8192_priv *priv = ieee80211_priv(dev);
3532
3533 // Currently, we do not change power save mode on IBSS mode.
3534 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3535 {
3536 return false;
3537 }
3538
3539 //
3540 // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3541 // some AP will not response to our mgnt frames with PwrMgt bit set,
3542 // e.g. cannot associate the AP.
3543 // So I commented out it. 2005.02.16, by rcnjko.
3544 //
3545 // // Change device's power save mode.
3546 // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3547
3548 // Update power save mode configured.
3549 //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3550 if(!priv->ps_force) {
3551 priv->ieee80211->ps = rtPsMode;
3552 }
3553
3554 // Awake immediately
3555 if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
3556 {
3557 unsigned long flags;
3558
3559 // Notify the AP we awke.
3560 rtl8192_hw_wakeup(dev);
3561 priv->ieee80211->sta_sleep = 0;
3562
3563 spin_lock_irqsave(&(priv->ieee80211->mgmt_tx_lock), flags);
3564 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3565 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
3566 spin_unlock_irqrestore(&(priv->ieee80211->mgmt_tx_lock), flags);
3567 }
3568
3569 return true;
3570 }
3571
3572 /* Enter the leisure power save mode. */
3573 void LeisurePSEnter(struct net_device *dev)
3574 {
3575 struct r8192_priv *priv = ieee80211_priv(dev);
3576 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
3577
3578 if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
3579 (priv->ieee80211->state == IEEE80211_LINKED)) ||
3580 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
3581 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
3582 return;
3583
3584 if (pPSC->bLeisurePs)
3585 {
3586 // Idle for a while if we connect to AP a while ago.
3587 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) // 4 Sec
3588 {
3589
3590 if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
3591 {
3592 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
3593
3594 }
3595 }
3596 else
3597 pPSC->LpsIdleCount++;
3598 }
3599 }
3600
3601
3602 /* Leave leisure power save mode. */
3603 void LeisurePSLeave(struct net_device *dev)
3604 {
3605 struct r8192_priv *priv = ieee80211_priv(dev);
3606 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
3607
3608 if (pPSC->bLeisurePs)
3609 {
3610 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
3611 {
3612 // move to lps_wakecomplete()
3613 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_DISABLED);
3614
3615 }
3616 }
3617 }
3618 #endif
3619
3620
3621 /* Enter the inactive power save mode. RF will be off */
3622 void
3623 IPSEnter(struct net_device *dev)
3624 {
3625 struct r8192_priv *priv = ieee80211_priv(dev);
3626 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
3627 RT_RF_POWER_STATE rtState;
3628
3629 if (pPSC->bInactivePs)
3630 {
3631 rtState = priv->ieee80211->eRFPowerState;
3632 //
3633 // Added by Bruce, 2007-12-25.
3634 // Do not enter IPS in the following conditions:
3635 // (1) RF is already OFF or Sleep
3636 // (2) bSwRfProcessing (indicates the IPS is still under going)
3637 // (3) Connectted (only disconnected can trigger IPS)
3638 // (4) IBSS (send Beacon)
3639 // (5) AP mode (send Beacon)
3640 //
3641 if (rtState == eRfOn && !pPSC->bSwRfProcessing
3642 && (priv->ieee80211->state != IEEE80211_LINKED) )
3643 {
3644 RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
3645 pPSC->eInactivePowerState = eRfOff;
3646 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
3647 InactivePsWorkItemCallback(dev);
3648 }
3649 }
3650 }
3651
3652 //
3653 // Description:
3654 // Leave the inactive power save mode, RF will be on.
3655 // 2007.08.17, by shien chang.
3656 //
3657 void
3658 IPSLeave(struct net_device *dev)
3659 {
3660 struct r8192_priv *priv = ieee80211_priv(dev);
3661 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
3662 RT_RF_POWER_STATE rtState;
3663
3664 if (pPSC->bInactivePs)
3665 {
3666 rtState = priv->ieee80211->eRFPowerState;
3667 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->ieee80211->RfOffReason <= RF_CHANGE_BY_IPS)
3668 {
3669 RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
3670 pPSC->eInactivePowerState = eRfOn;
3671 InactivePsWorkItemCallback(dev);
3672 }
3673 }
3674 }
3675
3676 void IPSLeave_wq(struct work_struct *work)
3677 {
3678 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ips_leave_wq);
3679 struct net_device *dev = ieee->dev;
3680
3681 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3682 down(&priv->ieee80211->ips_sem);
3683 IPSLeave(dev);
3684 up(&priv->ieee80211->ips_sem);
3685 }
3686
3687 void ieee80211_ips_leave_wq(struct net_device *dev)
3688 {
3689 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3690 RT_RF_POWER_STATE rtState;
3691 rtState = priv->ieee80211->eRFPowerState;
3692
3693 if(priv->ieee80211->PowerSaveControl.bInactivePs){
3694 if(rtState == eRfOff){
3695 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
3696 {
3697 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
3698 return;
3699 }
3700 else{
3701 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
3702 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
3703 }
3704 }
3705 }
3706 }
3707 //added by amy 090331 end
3708 void ieee80211_ips_leave(struct net_device *dev)
3709 {
3710 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3711 down(&priv->ieee80211->ips_sem);
3712 IPSLeave(dev);
3713 up(&priv->ieee80211->ips_sem);
3714 }
3715 #endif
3716
3717 static void rtl819x_update_rxcounts(
3718 struct r8192_priv *priv,
3719 u32* TotalRxBcnNum,
3720 u32* TotalRxDataNum
3721 )
3722 {
3723 u16 SlotIndex;
3724 u8 i;
3725
3726 *TotalRxBcnNum = 0;
3727 *TotalRxDataNum = 0;
3728
3729 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
3730 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3731 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3732 for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
3733 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3734 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3735 }
3736 }
3737
3738
3739 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3740 {
3741 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
3742 struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
3743 struct net_device *dev = priv->ieee80211->dev;
3744 struct ieee80211_device* ieee = priv->ieee80211;
3745 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3746 bool bBusyTraffic = false;
3747 bool bEnterPS = false;
3748
3749 if ((!priv->up) || priv->bHwRadioOff)
3750 return;
3751
3752 if(!priv->up)
3753 return;
3754 hal_dm_watchdog(dev);
3755 #ifdef ENABLE_IPS
3756 if(ieee->actscanning == false){
3757 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&
3758 (ieee->eRFPowerState == eRfOn)&&!ieee->is_set_key &&
3759 (!ieee->proto_stoppping) && !ieee->wx_set_enc){
3760 if(ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
3761 IPSEnter(dev);
3762 }
3763 }
3764 }
3765 #endif
3766 {//to get busy traffic condition
3767 if(ieee->state == IEEE80211_LINKED)
3768 {
3769 if( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
3770 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
3771 bBusyTraffic = true;
3772 }
3773
3774 #ifdef ENABLE_LPS
3775 //added by amy for Leisure PS
3776 if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
3777 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
3778 {
3779 bEnterPS= false;
3780 }
3781 else
3782 {
3783 bEnterPS= true;
3784 }
3785
3786 // LeisurePS only work in infra mode.
3787 if(bEnterPS)
3788 {
3789 LeisurePSEnter(dev);
3790 }
3791 else
3792 {
3793 LeisurePSLeave(dev);
3794 }
3795 #endif
3796
3797 }
3798 else
3799 {
3800 #ifdef ENABLE_LPS
3801 LeisurePSLeave(dev);
3802 #endif
3803 }
3804
3805 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3806 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3807 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
3808 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3809 }
3810
3811
3812 //added by amy for AP roaming
3813 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3814 {
3815 u32 TotalRxBcnNum = 0;
3816 u32 TotalRxDataNum = 0;
3817
3818 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3819 if((TotalRxBcnNum+TotalRxDataNum) == 0)
3820 {
3821 if( ieee->eRFPowerState == eRfOff)
3822 RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
3823 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
3824 // Dot11d_Reset(dev);
3825 ieee->state = IEEE80211_ASSOCIATING;
3826 notify_wx_assoc_event(priv->ieee80211);
3827 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
3828 ieee->is_roaming = true;
3829 ieee->is_set_key = false;
3830 ieee->link_change(dev);
3831 queue_work(ieee->wq, &ieee->associate_procedure_wq);
3832 }
3833 }
3834 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
3835 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
3836
3837 //check if reset the driver
3838 if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming &&
3839 priv->watchdog_last_time != 1)
3840 {
3841 ResetType = rtl819x_ifcheck_resetornot(dev);
3842 priv->watchdog_check_reset_cnt = 3;
3843 }
3844 if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
3845 {
3846 priv->ResetProgress = RESET_TYPE_NORMAL;
3847 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
3848 return;
3849 }
3850 /* disable silent reset temply 2008.9.11*/
3851
3852 if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
3853 {
3854 priv->watchdog_last_time = 1;
3855 rtl819x_ifsilentreset(dev);
3856 }
3857 else
3858 priv->watchdog_last_time = 0;
3859
3860 priv->force_reset = false;
3861 priv->bForcedSilentReset = false;
3862 priv->bResetInProgress = false;
3863 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3864
3865 }
3866
3867 void watch_dog_timer_callback(unsigned long data)
3868 {
3869 struct r8192_priv *priv = ieee80211_priv((struct net_device *) data);
3870 queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
3871 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
3872
3873 }
3874
3875 static int _rtl8192_up(struct net_device *dev)
3876 {
3877 struct r8192_priv *priv = ieee80211_priv(dev);
3878 RT_STATUS init_status = RT_STATUS_SUCCESS;
3879 priv->up=1;
3880 priv->ieee80211->ieee_up=1;
3881 priv->bdisable_nic = false; //YJ,add,091111
3882 RT_TRACE(COMP_INIT, "Bringing up iface");
3883
3884 init_status = rtl8192_adapter_start(dev);
3885 if(init_status != RT_STATUS_SUCCESS)
3886 {
3887 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
3888 return -1;
3889 }
3890 RT_TRACE(COMP_INIT, "start adapter finished\n");
3891
3892 if(priv->ieee80211->eRFPowerState!=eRfOn)
3893 MgntActSet_RF_State(dev, eRfOn, priv->ieee80211->RfOffReason);
3894
3895 if(priv->ieee80211->state != IEEE80211_LINKED)
3896 ieee80211_softmac_start_protocol(priv->ieee80211);
3897 ieee80211_reset_queue(priv->ieee80211);
3898 watch_dog_timer_callback((unsigned long) dev);
3899 if(!netif_queue_stopped(dev))
3900 netif_start_queue(dev);
3901 else
3902 netif_wake_queue(dev);
3903
3904 return 0;
3905 }
3906
3907
3908 static int rtl8192_open(struct net_device *dev)
3909 {
3910 struct r8192_priv *priv = ieee80211_priv(dev);
3911 int ret;
3912
3913 down(&priv->wx_sem);
3914 ret = rtl8192_up(dev);
3915 up(&priv->wx_sem);
3916 return ret;
3917
3918 }
3919
3920
3921 int rtl8192_up(struct net_device *dev)
3922 {
3923 struct r8192_priv *priv = ieee80211_priv(dev);
3924
3925 if (priv->up == 1) return -1;
3926
3927 return _rtl8192_up(dev);
3928 }
3929
3930
3931 static int rtl8192_close(struct net_device *dev)
3932 {
3933 struct r8192_priv *priv = ieee80211_priv(dev);
3934 int ret;
3935
3936 down(&priv->wx_sem);
3937
3938 ret = rtl8192_down(dev);
3939
3940 up(&priv->wx_sem);
3941
3942 return ret;
3943
3944 }
3945
3946 int rtl8192_down(struct net_device *dev)
3947 {
3948 struct r8192_priv *priv = ieee80211_priv(dev);
3949
3950 if (priv->up == 0) return -1;
3951
3952 #ifdef ENABLE_LPS
3953 //LZM for PS-Poll AID issue. 090429
3954 if(priv->ieee80211->state == IEEE80211_LINKED)
3955 LeisurePSLeave(dev);
3956 #endif
3957
3958 priv->up=0;
3959 priv->ieee80211->ieee_up = 0;
3960 RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
3961 /* FIXME */
3962 if (!netif_queue_stopped(dev))
3963 netif_stop_queue(dev);
3964
3965 rtl8192_irq_disable(dev);
3966 rtl8192_cancel_deferred_work(priv);
3967 deinit_hal_dm(dev);
3968 del_timer_sync(&priv->watch_dog_timer);
3969
3970 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3971
3972 rtl8192_halt_adapter(dev,false);
3973 memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
3974
3975 RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
3976
3977 return 0;
3978 }
3979
3980
3981 void rtl8192_commit(struct net_device *dev)
3982 {
3983 struct r8192_priv *priv = ieee80211_priv(dev);
3984
3985 if (priv->up == 0) return ;
3986
3987
3988 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3989
3990 rtl8192_irq_disable(dev);
3991 rtl8192_halt_adapter(dev,true);
3992 _rtl8192_up(dev);
3993 }
3994
3995 static void rtl8192_restart(struct work_struct *work)
3996 {
3997 struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
3998 struct net_device *dev = priv->ieee80211->dev;
3999
4000 down(&priv->wx_sem);
4001
4002 rtl8192_commit(dev);
4003
4004 up(&priv->wx_sem);
4005 }
4006
4007 static void r8192_set_multicast(struct net_device *dev)
4008 {
4009 struct r8192_priv *priv = ieee80211_priv(dev);
4010
4011 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
4012 }
4013
4014
4015 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
4016 {
4017 struct r8192_priv *priv = ieee80211_priv(dev);
4018 struct sockaddr *addr = mac;
4019
4020 down(&priv->wx_sem);
4021
4022 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
4023
4024 schedule_work(&priv->reset_wq);
4025 up(&priv->wx_sem);
4026
4027 return 0;
4028 }
4029
4030 /* based on ipw2200 driver */
4031 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
4032 {
4033 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4034 struct iwreq *wrq = (struct iwreq *)rq;
4035 int ret=-1;
4036 struct ieee80211_device *ieee = priv->ieee80211;
4037 u32 key[4];
4038 u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
4039 struct iw_point *p = &wrq->u.data;
4040 struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
4041
4042 down(&priv->wx_sem);
4043
4044
4045 if (p->length < sizeof(struct ieee_param) || !p->pointer){
4046 ret = -EINVAL;
4047 goto out;
4048 }
4049
4050 ipw = kmalloc(p->length, GFP_KERNEL);
4051 if (ipw == NULL){
4052 ret = -ENOMEM;
4053 goto out;
4054 }
4055 if (copy_from_user(ipw, p->pointer, p->length)) {
4056 kfree(ipw);
4057 ret = -EFAULT;
4058 goto out;
4059 }
4060
4061 switch (cmd) {
4062 case RTL_IOCTL_WPA_SUPPLICANT:
4063 //parse here for HW security
4064 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
4065 {
4066 if (ipw->u.crypt.set_tx)
4067 {
4068 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
4069 ieee->pairwise_key_type = KEY_TYPE_CCMP;
4070 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
4071 ieee->pairwise_key_type = KEY_TYPE_TKIP;
4072 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
4073 {
4074 if (ipw->u.crypt.key_len == 13)
4075 ieee->pairwise_key_type = KEY_TYPE_WEP104;
4076 else if (ipw->u.crypt.key_len == 5)
4077 ieee->pairwise_key_type = KEY_TYPE_WEP40;
4078 }
4079 else
4080 ieee->pairwise_key_type = KEY_TYPE_NA;
4081
4082 if (ieee->pairwise_key_type)
4083 {
4084 memcpy((u8*)key, ipw->u.crypt.key, 16);
4085 EnableHWSecurityConfig8192(dev);
4086 //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!
4087 //added by WB.
4088 setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
4089 if (ieee->auth_mode != 2) //LEAP WEP will never set this.
4090 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
4091 }
4092 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && ieee->pHTInfo->bCurrentHTSupport){
4093 write_nic_byte(priv, 0x173, 1); //fix aes bug
4094 }
4095
4096 }
4097 else //if (ipw->u.crypt.idx) //group key use idx > 0
4098 {
4099 memcpy((u8*)key, ipw->u.crypt.key, 16);
4100 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
4101 ieee->group_key_type= KEY_TYPE_CCMP;
4102 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
4103 ieee->group_key_type = KEY_TYPE_TKIP;
4104 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
4105 {
4106 if (ipw->u.crypt.key_len == 13)
4107 ieee->group_key_type = KEY_TYPE_WEP104;
4108 else if (ipw->u.crypt.key_len == 5)
4109 ieee->group_key_type = KEY_TYPE_WEP40;
4110 }
4111 else
4112 ieee->group_key_type = KEY_TYPE_NA;
4113
4114 if (ieee->group_key_type)
4115 {
4116 setKey( dev,
4117 ipw->u.crypt.idx,
4118 ipw->u.crypt.idx, //KeyIndex
4119 ieee->group_key_type, //KeyType
4120 broadcast_addr, //MacAddr
4121 0, //DefaultKey
4122 key); //KeyContent
4123 }
4124 }
4125 }
4126 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
4127 break;
4128
4129 default:
4130 ret = -EOPNOTSUPP;
4131 break;
4132 }
4133
4134 kfree(ipw);
4135 out:
4136 up(&priv->wx_sem);
4137
4138 return ret;
4139 }
4140
4141 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
4142 {
4143 u8 ret_rate = 0x02;
4144
4145 if(!bIsHT) {
4146 switch(rate) {
4147 case DESC90_RATE1M: ret_rate = MGN_1M; break;
4148 case DESC90_RATE2M: ret_rate = MGN_2M; break;
4149 case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break;
4150 case DESC90_RATE11M: ret_rate = MGN_11M; break;
4151 case DESC90_RATE6M: ret_rate = MGN_6M; break;
4152 case DESC90_RATE9M: ret_rate = MGN_9M; break;
4153 case DESC90_RATE12M: ret_rate = MGN_12M; break;
4154 case DESC90_RATE18M: ret_rate = MGN_18M; break;
4155 case DESC90_RATE24M: ret_rate = MGN_24M; break;
4156 case DESC90_RATE36M: ret_rate = MGN_36M; break;
4157 case DESC90_RATE48M: ret_rate = MGN_48M; break;
4158 case DESC90_RATE54M: ret_rate = MGN_54M; break;
4159
4160 default:
4161 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
4162 break;
4163 }
4164
4165 } else {
4166 switch(rate) {
4167 case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break;
4168 case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break;
4169 case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break;
4170 case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break;
4171 case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break;
4172 case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break;
4173 case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break;
4174 case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break;
4175 case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break;
4176 case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break;
4177 case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break;
4178 case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break;
4179 case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break;
4180 case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break;
4181 case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break;
4182 case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break;
4183 case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break;
4184
4185 default:
4186 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
4187 break;
4188 }
4189 }
4190
4191 return ret_rate;
4192 }
4193
4194 /* Record the TSF time stamp when receiving a packet */
4195 static void UpdateRxPktTimeStamp8190 (struct net_device *dev, struct ieee80211_rx_stats *stats)
4196 {
4197 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4198
4199 if(stats->bIsAMPDU && !stats->bFirstMPDU) {
4200 stats->mac_time[0] = priv->LastRxDescTSFLow;
4201 stats->mac_time[1] = priv->LastRxDescTSFHigh;
4202 } else {
4203 priv->LastRxDescTSFLow = stats->mac_time[0];
4204 priv->LastRxDescTSFHigh = stats->mac_time[1];
4205 }
4206 }
4207
4208 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
4209 {
4210 long signal_power; // in dBm.
4211
4212 // Translate to dBm (x=0.5y-95).
4213 signal_power = (long)((signal_strength_index + 1) >> 1);
4214 signal_power -= 95;
4215
4216 return signal_power;
4217 }
4218
4219 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
4220 be a local static. Otherwise, it may increase when we return from S3/S4. The
4221 value will be kept in memory or disk. We must delcare the value in adapter
4222 and it will be reinitialized when return from S3/S4. */
4223 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
4224 {
4225 bool bcheck = false;
4226 u8 rfpath;
4227 u32 nspatial_stream, tmp_val;
4228 static u32 slide_rssi_index=0, slide_rssi_statistics=0;
4229 static u32 slide_evm_index=0, slide_evm_statistics=0;
4230 static u32 last_rssi=0, last_evm=0;
4231 //cosa add for beacon rssi smoothing
4232 static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
4233 static u32 last_beacon_adc_pwdb=0;
4234
4235 struct ieee80211_hdr_3addr *hdr;
4236 u16 sc ;
4237 unsigned int frag,seq;
4238 hdr = (struct ieee80211_hdr_3addr *)buffer;
4239 sc = le16_to_cpu(hdr->seq_ctl);
4240 frag = WLAN_GET_SEQ_FRAG(sc);
4241 seq = WLAN_GET_SEQ_SEQ(sc);
4242 //cosa add 04292008 to record the sequence number
4243 pcurrent_stats->Seq_Num = seq;
4244 //
4245 // Check whether we should take the previous packet into accounting
4246 //
4247 if(!pprevious_stats->bIsAMPDU)
4248 {
4249 // if previous packet is not aggregated packet
4250 bcheck = true;
4251 }
4252
4253 if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
4254 {
4255 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
4256 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
4257 priv->stats.slide_rssi_total -= last_rssi;
4258 }
4259 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
4260
4261 priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
4262 if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
4263 slide_rssi_index = 0;
4264
4265 // <1> Showed on UI for user, in dbm
4266 tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
4267 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
4268 pcurrent_stats->rssi = priv->stats.signal_strength;
4269 //
4270 // If the previous packet does not match the criteria, neglect it
4271 //
4272 if(!pprevious_stats->bPacketMatchBSSID)
4273 {
4274 if(!pprevious_stats->bToSelfBA)
4275 return;
4276 }
4277
4278 if(!bcheck)
4279 return;
4280
4281 // <2> Showed on UI for engineering
4282 // hardware does not provide rssi information for each rf path in CCK
4283 if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
4284 {
4285 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
4286 {
4287 if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, rfpath))
4288 continue;
4289 RT_TRACE(COMP_DBG,"Jacken -> pPreviousstats->RxMIMOSignalStrength[rfpath] = %d \n" ,pprevious_stats->RxMIMOSignalStrength[rfpath] );
4290 //Fixed by Jacken 2008-03-20
4291 if(priv->stats.rx_rssi_percentage[rfpath] == 0)
4292 {
4293 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
4294 }
4295 if(pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath])
4296 {
4297 priv->stats.rx_rssi_percentage[rfpath] =
4298 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
4299 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
4300 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
4301 }
4302 else
4303 {
4304 priv->stats.rx_rssi_percentage[rfpath] =
4305 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
4306 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
4307 }
4308 RT_TRACE(COMP_DBG,"Jacken -> priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" ,priv->stats.rx_rssi_percentage[rfpath] );
4309 }
4310 }
4311
4312
4313 //
4314 // Check PWDB.
4315 //
4316 //cosa add for beacon rssi smoothing by average.
4317 if(pprevious_stats->bPacketBeacon)
4318 {
4319 /* record the beacon pwdb to the sliding window. */
4320 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4321 {
4322 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
4323 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
4324 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
4325 // slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
4326 }
4327 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
4328 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
4329 slide_beacon_adc_pwdb_index++;
4330 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
4331 slide_beacon_adc_pwdb_index = 0;
4332 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
4333 if(pprevious_stats->RxPWDBAll >= 3)
4334 pprevious_stats->RxPWDBAll -= 3;
4335 }
4336
4337 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
4338 pprevious_stats->bIsCCK? "CCK": "OFDM",
4339 pprevious_stats->RxPWDBAll);
4340
4341 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
4342 {
4343 if(priv->undecorated_smoothed_pwdb < 0) // initialize
4344 {
4345 priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
4346 }
4347
4348 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
4349 {
4350 priv->undecorated_smoothed_pwdb =
4351 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
4352 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
4353 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
4354 }
4355 else
4356 {
4357 priv->undecorated_smoothed_pwdb =
4358 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
4359 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
4360 }
4361 }
4362
4363 //
4364 // Check EVM
4365 //
4366 /* record the general EVM to the sliding window. */
4367 if(pprevious_stats->SignalQuality == 0)
4368 {
4369 }
4370 else
4371 {
4372 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
4373 if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
4374 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
4375 last_evm = priv->stats.slide_evm[slide_evm_index];
4376 priv->stats.slide_evm_total -= last_evm;
4377 }
4378
4379 priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
4380
4381 priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
4382 if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
4383 slide_evm_index = 0;
4384
4385 // <1> Showed on UI for user, in percentage.
4386 tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
4387 //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
4388 }
4389
4390 // <2> Showed on UI for engineering
4391 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
4392 {
4393 for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
4394 {
4395 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
4396 {
4397 if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
4398 {
4399 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
4400 }
4401 priv->stats.rx_evm_percentage[nspatial_stream] =
4402 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
4403 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
4404 }
4405 }
4406 }
4407 }
4408
4409 }
4410
4411 static u8 rtl819x_query_rxpwrpercentage(
4412 char antpower
4413 )
4414 {
4415 if ((antpower <= -100) || (antpower >= 20))
4416 {
4417 return 0;
4418 }
4419 else if (antpower >= 0)
4420 {
4421 return 100;
4422 }
4423 else
4424 {
4425 return (100+antpower);
4426 }
4427
4428 }
4429
4430 static u8
4431 rtl819x_evm_dbtopercentage(
4432 char value
4433 )
4434 {
4435 char ret_val;
4436
4437 ret_val = value;
4438
4439 if(ret_val >= 0)
4440 ret_val = 0;
4441 if(ret_val <= -33)
4442 ret_val = -33;
4443 ret_val = 0 - ret_val;
4444 ret_val*=3;
4445 if(ret_val == 99)
4446 ret_val = 100;
4447 return ret_val;
4448 }
4449
4450 /* We want good-looking for signal strength/quality */
4451 static long rtl819x_signal_scale_mapping(long currsig)
4452 {
4453 long retsig;
4454
4455 // Step 1. Scale mapping.
4456 if(currsig >= 61 && currsig <= 100)
4457 {
4458 retsig = 90 + ((currsig - 60) / 4);
4459 }
4460 else if(currsig >= 41 && currsig <= 60)
4461 {
4462 retsig = 78 + ((currsig - 40) / 2);
4463 }
4464 else if(currsig >= 31 && currsig <= 40)
4465 {
4466 retsig = 66 + (currsig - 30);
4467 }
4468 else if(currsig >= 21 && currsig <= 30)
4469 {
4470 retsig = 54 + (currsig - 20);
4471 }
4472 else if(currsig >= 5 && currsig <= 20)
4473 {
4474 retsig = 42 + (((currsig - 5) * 2) / 3);
4475 }
4476 else if(currsig == 4)
4477 {
4478 retsig = 36;
4479 }
4480 else if(currsig == 3)
4481 {
4482 retsig = 27;
4483 }
4484 else if(currsig == 2)
4485 {
4486 retsig = 18;
4487 }
4488 else if(currsig == 1)
4489 {
4490 retsig = 9;
4491 }
4492 else
4493 {
4494 retsig = currsig;
4495 }
4496
4497 return retsig;
4498 }
4499
4500 static void rtl8192_query_rxphystatus(
4501 struct r8192_priv * priv,
4502 struct ieee80211_rx_stats * pstats,
4503 prx_desc_819x_pci pdesc,
4504 prx_fwinfo_819x_pci pdrvinfo,
4505 struct ieee80211_rx_stats * precord_stats,
4506 bool bpacket_match_bssid,
4507 bool bpacket_toself,
4508 bool bPacketBeacon,
4509 bool bToSelfBA
4510 )
4511 {
4512 //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status);
4513 phy_sts_ofdm_819xpci_t* pofdm_buf;
4514 phy_sts_cck_819xpci_t * pcck_buf;
4515 phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
4516 u8 *prxpkt;
4517 u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4518 char rx_pwr[4], rx_pwr_all=0;
4519 //long rx_avg_pwr = 0;
4520 char rx_snrX, rx_evmX;
4521 u8 evm, pwdb_all;
4522 u32 RSSI, total_rssi=0;//, total_evm=0;
4523 // long signal_strength_index = 0;
4524 u8 is_cck_rate=0;
4525 u8 rf_rx_num = 0;
4526
4527 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4528
4529 // Record it for next packet processing
4530 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4531 pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4532 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4533 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
4534 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4535 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4536 /*2007.08.30 requested by SD3 Jerry */
4537 if (priv->phy_check_reg824 == 0)
4538 {
4539 priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv->ieee80211->dev, rFPGA0_XA_HSSIParameter2, 0x200);
4540 priv->phy_check_reg824 = 1;
4541 }
4542
4543
4544 prxpkt = (u8*)pdrvinfo;
4545
4546 /* Move pointer to the 16th bytes. Phy status start address. */
4547 prxpkt += sizeof(rx_fwinfo_819x_pci);
4548
4549 /* Initial the cck and ofdm buffer pointer */
4550 pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
4551 pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
4552
4553 pstats->RxMIMOSignalQuality[0] = -1;
4554 pstats->RxMIMOSignalQuality[1] = -1;
4555 precord_stats->RxMIMOSignalQuality[0] = -1;
4556 precord_stats->RxMIMOSignalQuality[1] = -1;
4557
4558 if(is_cck_rate)
4559 {
4560 //
4561 // (1)Hardware does not provide RSSI for CCK
4562 //
4563
4564 //
4565 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4566 //
4567 u8 report;//, cck_agc_rpt;
4568
4569 if (!priv->phy_reg824_bit9)
4570 {
4571 report = pcck_buf->cck_agc_rpt & 0xc0;
4572 report = report>>6;
4573 switch(report)
4574 {
4575 //Fixed by Jacken from Bryant 2008-03-20
4576 //Original value is -38 , -26 , -14 , -2
4577 //Fixed value is -35 , -23 , -11 , 6
4578 case 0x3:
4579 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4580 break;
4581 case 0x2:
4582 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4583 break;
4584 case 0x1:
4585 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4586 break;
4587 case 0x0:
4588 rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
4589 break;
4590 }
4591 }
4592 else
4593 {
4594 report = pcck_buf->cck_agc_rpt & 0x60;
4595 report = report>>5;
4596 switch(report)
4597 {
4598 case 0x3:
4599 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4600 break;
4601 case 0x2:
4602 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4603 break;
4604 case 0x1:
4605 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4606 break;
4607 case 0x0:
4608 rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4609 break;
4610 }
4611 }
4612
4613 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4614 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4615 pstats->RecvSignalPower = rx_pwr_all;
4616
4617 //
4618 // (3) Get Signal Quality (EVM)
4619 //
4620 if(bpacket_match_bssid)
4621 {
4622 u8 sq;
4623
4624 if(pstats->RxPWDBAll > 40)
4625 {
4626 sq = 100;
4627 }else
4628 {
4629 sq = pcck_buf->sq_rpt;
4630
4631 if(pcck_buf->sq_rpt > 64)
4632 sq = 0;
4633 else if (pcck_buf->sq_rpt < 20)
4634 sq = 100;
4635 else
4636 sq = ((64-sq) * 100) / 44;
4637 }
4638 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4639 pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
4640 pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
4641 }
4642 }
4643 else
4644 {
4645 //
4646 // (1)Get RSSI for HT rate
4647 //
4648 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4649 {
4650 // 2008/01/30 MH we will judge RF RX path now.
4651 if (priv->brfpath_rxenable[i])
4652 rf_rx_num++;
4653 //else
4654 //continue;
4655
4656 //Fixed by Jacken from Bryant 2008-03-20
4657 //Original value is 106
4658 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
4659
4660 //Get Rx snr value in DB
4661 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4662 rx_snrX = (char)(tmp_rxsnr);
4663 rx_snrX /= 2;
4664
4665 /* Translate DBM to percentage. */
4666 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4667 if (priv->brfpath_rxenable[i])
4668 total_rssi += RSSI;
4669
4670 /* Record Signal Strength for next packet */
4671 if(bpacket_match_bssid)
4672 {
4673 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
4674 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
4675 }
4676 }
4677
4678
4679 //
4680 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4681 //
4682 //Fixed by Jacken from Bryant 2008-03-20
4683 //Original value is 106
4684 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
4685 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4686
4687 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4688 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4689 pstats->RecvSignalPower = rx_pwr_all;
4690 //
4691 // (3)EVM of HT rate
4692 //
4693 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
4694 pdrvinfo->RxRate<=DESC90_RATEMCS15)
4695 max_spatial_stream = 2; //both spatial stream make sense
4696 else
4697 max_spatial_stream = 1; //only spatial stream 1 makes sense
4698
4699 for(i=0; i<max_spatial_stream; i++)
4700 {
4701 tmp_rxevm = pofdm_buf->rxevm_X[i];
4702 rx_evmX = (char)(tmp_rxevm);
4703
4704 // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
4705 // fill most significant bit to "zero" when doing shifting operation which may change a negative
4706 // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
4707 rx_evmX /= 2; //dbm
4708
4709 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4710 if(bpacket_match_bssid)
4711 {
4712 if(i==0) // Fill value in RFD, Get the first spatial stream only
4713 pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
4714 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
4715 }
4716 }
4717
4718
4719 /* record rx statistics for debug */
4720 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4721 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
4722 }
4723
4724 //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
4725 //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
4726 if(is_cck_rate)
4727 {
4728 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
4729
4730 }
4731 else
4732 {
4733 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
4734 // We can judge RX path number now.
4735 if (rf_rx_num != 0)
4736 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
4737 }
4738 }
4739
4740 static void
4741 rtl8192_record_rxdesc_forlateruse(
4742 struct ieee80211_rx_stats * psrc_stats,
4743 struct ieee80211_rx_stats * ptarget_stats
4744 )
4745 {
4746 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4747 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4748 //ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4749 }
4750
4751
4752
4753 static void TranslateRxSignalStuff819xpci(struct net_device *dev,
4754 struct sk_buff *skb,
4755 struct ieee80211_rx_stats * pstats,
4756 prx_desc_819x_pci pdesc,
4757 prx_fwinfo_819x_pci pdrvinfo)
4758 {
4759 // TODO: We must only check packet for current MAC address. Not finish
4760 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4761 bool bpacket_match_bssid, bpacket_toself;
4762 bool bPacketBeacon=false, bToSelfBA=false;
4763 struct ieee80211_hdr_3addr *hdr;
4764 u16 fc,type;
4765
4766 // Get Signal Quality for only RX data queue (but not command queue)
4767
4768 u8* tmp_buf;
4769 u8 *praddr;
4770
4771 /* Get MAC frame start address. */
4772 tmp_buf = skb->data;
4773
4774 hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
4775 fc = le16_to_cpu(hdr->frame_ctl);
4776 type = WLAN_FC_GET_TYPE(fc);
4777 praddr = hdr->addr1;
4778
4779 /* Check if the received packet is acceptabe. */
4780 bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
4781 (!compare_ether_addr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
4782 && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
4783 bpacket_toself = bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr));
4784
4785 if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
4786 {
4787 bPacketBeacon = true;
4788 }
4789 if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
4790 {
4791 if((!compare_ether_addr(praddr,dev->dev_addr)))
4792 bToSelfBA = true;
4793 }
4794
4795 //
4796 // Process PHY information for previous packet (RSSI/PWDB/EVM)
4797 //
4798 // Because phy information is contained in the last packet of AMPDU only, so driver
4799 // should process phy information of previous packet
4800 rtl8192_process_phyinfo(priv, tmp_buf, &priv->previous_stats, pstats);
4801 rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid,
4802 bpacket_toself ,bPacketBeacon, bToSelfBA);
4803 rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats);
4804
4805 }
4806
4807
4808 static void rtl8192_tx_resume(struct net_device *dev)
4809 {
4810 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4811 struct ieee80211_device *ieee = priv->ieee80211;
4812 struct sk_buff *skb;
4813 int queue_index;
4814
4815 for(queue_index = BK_QUEUE; queue_index < TXCMD_QUEUE;queue_index++) {
4816 while((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
4817 (priv->ieee80211->check_nic_enough_desc(dev,queue_index) > 0)) {
4818 /* 1. dequeue the packet from the wait queue */
4819 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
4820 /* 2. tx the packet directly */
4821 ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
4822 }
4823 }
4824 }
4825
4826 static void rtl8192_irq_tx_tasklet(unsigned long arg)
4827 {
4828 struct r8192_priv *priv = (struct r8192_priv*) arg;
4829 struct rtl8192_tx_ring *mgnt_ring = &priv->tx_ring[MGNT_QUEUE];
4830 struct net_device *dev = priv->ieee80211->dev;
4831 unsigned long flags;
4832
4833 /* check if we need to report that the management queue is drained */
4834 spin_lock_irqsave(&priv->irq_th_lock, flags);
4835
4836 if (!skb_queue_len(&mgnt_ring->queue) &&
4837 priv->ieee80211->ack_tx_to_ieee &&
4838 rtl8192_is_tx_queue_empty(dev)) {
4839 priv->ieee80211->ack_tx_to_ieee = 0;
4840 ieee80211_ps_tx_ack(priv->ieee80211, 1);
4841 }
4842
4843 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4844
4845 rtl8192_tx_resume(dev);
4846 }
4847
4848 /* Record the received data rate */
4849 static void UpdateReceivedRateHistogramStatistics8190(
4850 struct net_device *dev,
4851 struct ieee80211_rx_stats* pstats
4852 )
4853 {
4854 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4855 u32 rcvType=1; //0: Total, 1:OK, 2:CRC, 3:ICV
4856 u32 rateIndex;
4857 u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
4858
4859 if(pstats->bCRC)
4860 rcvType = 2;
4861 else if(pstats->bICV)
4862 rcvType = 3;
4863
4864 if(pstats->bShortPreamble)
4865 preamble_guardinterval = 1;// short
4866 else
4867 preamble_guardinterval = 0;// long
4868
4869 switch(pstats->rate)
4870 {
4871 //
4872 // CCK rate
4873 //
4874 case MGN_1M: rateIndex = 0; break;
4875 case MGN_2M: rateIndex = 1; break;
4876 case MGN_5_5M: rateIndex = 2; break;
4877 case MGN_11M: rateIndex = 3; break;
4878 //
4879 // Legacy OFDM rate
4880 //
4881 case MGN_6M: rateIndex = 4; break;
4882 case MGN_9M: rateIndex = 5; break;
4883 case MGN_12M: rateIndex = 6; break;
4884 case MGN_18M: rateIndex = 7; break;
4885 case MGN_24M: rateIndex = 8; break;
4886 case MGN_36M: rateIndex = 9; break;
4887 case MGN_48M: rateIndex = 10; break;
4888 case MGN_54M: rateIndex = 11; break;
4889 //
4890 // 11n High throughput rate
4891 //
4892 case MGN_MCS0: rateIndex = 12; break;
4893 case MGN_MCS1: rateIndex = 13; break;
4894 case MGN_MCS2: rateIndex = 14; break;
4895 case MGN_MCS3: rateIndex = 15; break;
4896 case MGN_MCS4: rateIndex = 16; break;
4897 case MGN_MCS5: rateIndex = 17; break;
4898 case MGN_MCS6: rateIndex = 18; break;
4899 case MGN_MCS7: rateIndex = 19; break;
4900 case MGN_MCS8: rateIndex = 20; break;
4901 case MGN_MCS9: rateIndex = 21; break;
4902 case MGN_MCS10: rateIndex = 22; break;
4903 case MGN_MCS11: rateIndex = 23; break;
4904 case MGN_MCS12: rateIndex = 24; break;
4905 case MGN_MCS13: rateIndex = 25; break;
4906 case MGN_MCS14: rateIndex = 26; break;
4907 case MGN_MCS15: rateIndex = 27; break;
4908 default: rateIndex = 28; break;
4909 }
4910 priv->stats.received_rate_histogram[0][rateIndex]++; //total
4911 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4912 }
4913
4914 static void rtl8192_rx(struct net_device *dev)
4915 {
4916 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4917 struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
4918 bool unicast_packet = false;
4919 struct ieee80211_rx_stats stats = {
4920 .signal = 0,
4921 .noise = -98,
4922 .rate = 0,
4923 .freq = IEEE80211_24GHZ_BAND,
4924 };
4925 unsigned int count = priv->rxringcount;
4926 prx_fwinfo_819x_pci pDrvInfo = NULL;
4927 struct sk_buff *new_skb;
4928
4929 while (count--) {
4930 rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
4931 struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
4932
4933 if (pdesc->OWN)
4934 /* wait data to be filled by hardware */
4935 return;
4936
4937 stats.bICV = pdesc->ICV;
4938 stats.bCRC = pdesc->CRC32;
4939 stats.bHwError = pdesc->CRC32 | pdesc->ICV;
4940
4941 stats.Length = pdesc->Length;
4942 if(stats.Length < 24)
4943 stats.bHwError |= 1;
4944
4945 if(stats.bHwError) {
4946 stats.bShift = false;
4947 goto done;
4948 }
4949 pDrvInfo = NULL;
4950 new_skb = dev_alloc_skb(priv->rxbuffersize);
4951
4952 if (unlikely(!new_skb))
4953 goto done;
4954
4955 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
4956 stats.RxBufShift = ((pdesc->Shift)&0x03);
4957 stats.Decrypted = !pdesc->SWDec;
4958
4959 pci_dma_sync_single_for_cpu(priv->pdev,
4960 *((dma_addr_t *)skb->cb),
4961 priv->rxbuffersize,
4962 PCI_DMA_FROMDEVICE);
4963 skb_put(skb, pdesc->Length);
4964 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
4965 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
4966
4967 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
4968 stats.bShortPreamble = pDrvInfo->SPLCP;
4969
4970 /* it is debug only. It should be disabled in released driver.
4971 * 2007.1.11 by Emily
4972 * */
4973 UpdateReceivedRateHistogramStatistics8190(dev, &stats);
4974
4975 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
4976 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
4977
4978 stats.TimeStampLow = pDrvInfo->TSFL;
4979 stats.TimeStampHigh = read_nic_dword(priv, TSFR+4);
4980
4981 UpdateRxPktTimeStamp8190(dev, &stats);
4982
4983 //
4984 // Get Total offset of MPDU Frame Body
4985 //
4986 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
4987 stats.bShift = 1;
4988
4989 stats.RxIs40MHzPacket = pDrvInfo->BW;
4990
4991 /* ???? */
4992 TranslateRxSignalStuff819xpci(dev,skb, &stats, pdesc, pDrvInfo);
4993
4994 /* Rx A-MPDU */
4995 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
4996 RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
4997 pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
4998 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4999 /* rx packets statistics */
5000 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
5001 unicast_packet = false;
5002
5003 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
5004 //TODO
5005 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
5006 //TODO
5007 }else {
5008 /* unicast packet */
5009 unicast_packet = true;
5010 }
5011
5012 stats.packetlength = stats.Length-4;
5013 stats.fraglength = stats.packetlength;
5014 stats.fragoffset = 0;
5015 stats.ntotalfrag = 1;
5016
5017 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
5018 dev_kfree_skb_any(skb);
5019 } else {
5020 priv->stats.rxok++;
5021 if(unicast_packet) {
5022 priv->stats.rxbytesunicast += skb->len;
5023 }
5024 }
5025
5026 pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb),
5027 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
5028
5029 skb = new_skb;
5030 priv->rx_buf[priv->rx_idx] = skb;
5031 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
5032
5033 done:
5034 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
5035 pdesc->OWN = 1;
5036 pdesc->Length = priv->rxbuffersize;
5037 if (priv->rx_idx == priv->rxringcount-1)
5038 pdesc->EOR = 1;
5039 priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
5040 }
5041
5042 }
5043
5044 static void rtl8192_irq_rx_tasklet(unsigned long arg)
5045 {
5046 struct r8192_priv *priv = (struct r8192_priv*) arg;
5047 rtl8192_rx(priv->ieee80211->dev);
5048 /* unmask RDU */
5049 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) | IMR_RDU);
5050 }
5051
5052 static const struct net_device_ops rtl8192_netdev_ops = {
5053 .ndo_open = rtl8192_open,
5054 .ndo_stop = rtl8192_close,
5055 .ndo_tx_timeout = tx_timeout,
5056 .ndo_do_ioctl = rtl8192_ioctl,
5057 .ndo_set_multicast_list = r8192_set_multicast,
5058 .ndo_set_mac_address = r8192_set_mac_adr,
5059 .ndo_start_xmit = ieee80211_rtl_xmit,
5060 };
5061
5062 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
5063 const struct pci_device_id *id)
5064 {
5065 unsigned long ioaddr = 0;
5066 struct net_device *dev = NULL;
5067 struct r8192_priv *priv= NULL;
5068 u8 unit = 0;
5069 int ret = -ENODEV;
5070
5071 #ifdef CONFIG_RTL8192_IO_MAP
5072 unsigned long pio_start, pio_len, pio_flags;
5073 #else
5074 unsigned long pmem_start, pmem_len, pmem_flags;
5075 #endif //end #ifdef RTL_IO_MAP
5076
5077 RT_TRACE(COMP_INIT,"Configuring chip resources");
5078
5079 if( pci_enable_device (pdev) ){
5080 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
5081 return -EIO;
5082 }
5083
5084 pci_set_master(pdev);
5085 //pci_set_wmi(pdev);
5086 pci_set_dma_mask(pdev, 0xffffff00ULL);
5087 pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
5088 dev = alloc_ieee80211(sizeof(struct r8192_priv));
5089 if (!dev) {
5090 ret = -ENOMEM;
5091 goto fail_free;
5092 }
5093
5094 pci_set_drvdata(pdev, dev);
5095 SET_NETDEV_DEV(dev, &pdev->dev);
5096 priv = ieee80211_priv(dev);
5097 priv->ieee80211 = netdev_priv(dev);
5098 priv->pdev=pdev;
5099 if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
5100 priv->ieee80211->bSupportRemoteWakeUp = 1;
5101 } else
5102 {
5103 priv->ieee80211->bSupportRemoteWakeUp = 0;
5104 }
5105
5106 #ifdef CONFIG_RTL8192_IO_MAP
5107
5108 pio_start = (unsigned long)pci_resource_start (pdev, 0);
5109 pio_len = (unsigned long)pci_resource_len (pdev, 0);
5110 pio_flags = (unsigned long)pci_resource_flags (pdev, 0);
5111
5112 if (!(pio_flags & IORESOURCE_IO)) {
5113 RT_TRACE(COMP_ERR,"region #0 not a PIO resource, aborting");
5114 goto fail;
5115 }
5116
5117 //DMESG("IO space @ 0x%08lx", pio_start );
5118 if( ! request_region( pio_start, pio_len, RTL819xE_MODULE_NAME ) ){
5119 RT_TRACE(COMP_ERR,"request_region failed!");
5120 goto fail;
5121 }
5122
5123 ioaddr = pio_start;
5124 dev->base_addr = ioaddr; // device I/O address
5125
5126 #else
5127
5128 pmem_start = pci_resource_start(pdev, 1);
5129 pmem_len = pci_resource_len(pdev, 1);
5130 pmem_flags = pci_resource_flags (pdev, 1);
5131
5132 if (!(pmem_flags & IORESOURCE_MEM)) {
5133 RT_TRACE(COMP_ERR,"region #1 not a MMIO resource, aborting");
5134 goto fail;
5135 }
5136
5137 //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
5138 if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
5139 RT_TRACE(COMP_ERR,"request_mem_region failed!");
5140 goto fail;
5141 }
5142
5143
5144 ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
5145 if( ioaddr == (unsigned long)NULL ){
5146 RT_TRACE(COMP_ERR,"ioremap failed!");
5147 // release_mem_region( pmem_start, pmem_len );
5148 goto fail1;
5149 }
5150
5151 dev->mem_start = ioaddr; // shared mem start
5152 dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end
5153
5154 #endif //end #ifdef RTL_IO_MAP
5155
5156 /* We disable the RETRY_TIMEOUT register (0x41) to keep
5157 * PCI Tx retries from interfering with C3 CPU state */
5158 pci_write_config_byte(pdev, 0x41, 0x00);
5159
5160
5161 pci_read_config_byte(pdev, 0x05, &unit);
5162 pci_write_config_byte(pdev, 0x05, unit & (~0x04));
5163
5164 dev->irq = pdev->irq;
5165 priv->irq = 0;
5166
5167 dev->netdev_ops = &rtl8192_netdev_ops;
5168
5169 dev->wireless_handlers = &r8192_wx_handlers_def;
5170 dev->type=ARPHRD_ETHER;
5171
5172 dev->watchdog_timeo = HZ*3;
5173
5174 if (dev_alloc_name(dev, ifname) < 0){
5175 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
5176 strcpy(ifname, "wlan%d");
5177 dev_alloc_name(dev, ifname);
5178 }
5179
5180 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
5181 if(rtl8192_init(dev)!=0){
5182 RT_TRACE(COMP_ERR, "Initialization failed");
5183 goto fail;
5184 }
5185
5186 register_netdev(dev);
5187 RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
5188 rtl8192_proc_init_one(dev);
5189
5190
5191 RT_TRACE(COMP_INIT, "Driver probe completed\n");
5192 return 0;
5193
5194 fail1:
5195
5196 #ifdef CONFIG_RTL8180_IO_MAP
5197
5198 if( dev->base_addr != 0 ){
5199
5200 release_region(dev->base_addr,
5201 pci_resource_len(pdev, 0) );
5202 }
5203 #else
5204 if( dev->mem_start != (unsigned long)NULL ){
5205 iounmap( (void *)dev->mem_start );
5206 release_mem_region( pci_resource_start(pdev, 1),
5207 pci_resource_len(pdev, 1) );
5208 }
5209 #endif //end #ifdef RTL_IO_MAP
5210
5211 fail:
5212 if(dev){
5213
5214 if (priv->irq) {
5215 free_irq(dev->irq, dev);
5216 dev->irq=0;
5217 }
5218 free_ieee80211(dev);
5219 }
5220
5221 fail_free:
5222 pci_disable_device(pdev);
5223
5224 DMESG("wlan driver load failed\n");
5225 pci_set_drvdata(pdev, NULL);
5226 return ret;
5227
5228 }
5229
5230 /* detach all the work and timer structure declared or inititialized
5231 * in r8192_init function.
5232 * */
5233 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
5234 {
5235 /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
5236 * is or is newer than 2.6.20 and work structure is defined to be struct work_struct.
5237 * Otherwise call cancel_delayed_work is enough.
5238 * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
5239 * */
5240 cancel_delayed_work(&priv->watch_dog_wq);
5241 cancel_delayed_work(&priv->update_beacon_wq);
5242 cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
5243 cancel_delayed_work(&priv->ieee80211->hw_sleep_wq);
5244 cancel_delayed_work(&priv->gpio_change_rf_wq);
5245 cancel_work_sync(&priv->reset_wq);
5246 cancel_work_sync(&priv->qos_activate);
5247 }
5248
5249
5250 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
5251 {
5252 struct net_device *dev = pci_get_drvdata(pdev);
5253 struct r8192_priv *priv ;
5254 u32 i;
5255
5256 if (dev) {
5257
5258 unregister_netdev(dev);
5259
5260 priv = ieee80211_priv(dev);
5261
5262 rtl8192_proc_remove_one(dev);
5263
5264 rtl8192_down(dev);
5265 if (priv->pFirmware)
5266 {
5267 vfree(priv->pFirmware);
5268 priv->pFirmware = NULL;
5269 }
5270 destroy_workqueue(priv->priv_wq);
5271
5272 /* free tx/rx rings */
5273 rtl8192_free_rx_ring(dev);
5274 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
5275 rtl8192_free_tx_ring(dev, i);
5276
5277 if (priv->irq) {
5278 printk("Freeing irq %d\n",dev->irq);
5279 free_irq(dev->irq, dev);
5280 priv->irq=0;
5281 }
5282
5283 #ifdef CONFIG_RTL8180_IO_MAP
5284
5285 if( dev->base_addr != 0 ){
5286
5287 release_region(dev->base_addr,
5288 pci_resource_len(pdev, 0) );
5289 }
5290 #else
5291 if( dev->mem_start != (unsigned long)NULL ){
5292 iounmap( (void *)dev->mem_start );
5293 release_mem_region( pci_resource_start(pdev, 1),
5294 pci_resource_len(pdev, 1) );
5295 }
5296 #endif /*end #ifdef RTL_IO_MAP*/
5297 free_ieee80211(dev);
5298
5299 }
5300
5301 pci_disable_device(pdev);
5302 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
5303 }
5304
5305 extern int ieee80211_rtl_init(void);
5306 extern void ieee80211_rtl_exit(void);
5307
5308 static int __init rtl8192_pci_module_init(void)
5309 {
5310 int retval;
5311
5312 retval = ieee80211_rtl_init();
5313 if (retval)
5314 return retval;
5315
5316 printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
5317 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
5318 RT_TRACE(COMP_INIT, "Initializing module");
5319 rtl8192_proc_module_init();
5320 if(0!=pci_register_driver(&rtl8192_pci_driver))
5321 {
5322 DMESG("No device found");
5323 /*pci_unregister_driver (&rtl8192_pci_driver);*/
5324 return -ENODEV;
5325 }
5326 return 0;
5327 }
5328
5329
5330 static void __exit rtl8192_pci_module_exit(void)
5331 {
5332 pci_unregister_driver(&rtl8192_pci_driver);
5333
5334 RT_TRACE(COMP_DOWN, "Exiting");
5335 rtl8192_proc_module_remove();
5336 ieee80211_rtl_exit();
5337 }
5338
5339 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
5340 {
5341 struct net_device *dev = (struct net_device *) netdev;
5342 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5343 unsigned long flags;
5344 u32 inta;
5345 irqreturn_t ret = IRQ_HANDLED;
5346
5347 spin_lock_irqsave(&priv->irq_th_lock, flags);
5348
5349 /* We should return IRQ_NONE, but for now let me keep this */
5350 if (priv->irq_enabled == 0)
5351 goto out_unlock;
5352
5353 /* ISR: 4bytes */
5354
5355 inta = read_nic_dword(priv, ISR); /* & priv->IntrMask; */
5356 write_nic_dword(priv, ISR, inta); /* reset int situation */
5357
5358 if (!inta) {
5359 /*
5360 * most probably we can safely return IRQ_NONE,
5361 * but for now is better to avoid problems
5362 */
5363 goto out_unlock;
5364 }
5365
5366 if (inta == 0xffff) {
5367 /* HW disappared */
5368 goto out_unlock;
5369 }
5370
5371 if (!netif_running(dev))
5372 goto out_unlock;
5373
5374 if (inta & IMR_TBDOK) {
5375 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
5376 rtl8192_tx_isr(dev, BEACON_QUEUE);
5377 priv->stats.txbeaconokint++;
5378 }
5379
5380 if (inta & IMR_TBDER) {
5381 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
5382 rtl8192_tx_isr(dev, BEACON_QUEUE);
5383 priv->stats.txbeaconerr++;
5384 }
5385
5386 if (inta & IMR_MGNTDOK ) {
5387 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
5388 priv->stats.txmanageokint++;
5389 rtl8192_tx_isr(dev,MGNT_QUEUE);
5390 }
5391
5392 if (inta & IMR_COMDOK)
5393 {
5394 priv->stats.txcmdpktokint++;
5395 rtl8192_tx_isr(dev, TXCMD_QUEUE);
5396 }
5397
5398 if (inta & IMR_ROK) {
5399 priv->stats.rxint++;
5400 tasklet_schedule(&priv->irq_rx_tasklet);
5401 }
5402
5403 if (inta & IMR_BcnInt) {
5404 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
5405 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
5406 }
5407
5408 if (inta & IMR_RDU) {
5409 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
5410 priv->stats.rxrdu++;
5411 /* reset int situation */
5412 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) & ~IMR_RDU);
5413 tasklet_schedule(&priv->irq_rx_tasklet);
5414 }
5415
5416 if (inta & IMR_RXFOVW) {
5417 RT_TRACE(COMP_INTR, "rx overflow !\n");
5418 priv->stats.rxoverflow++;
5419 tasklet_schedule(&priv->irq_rx_tasklet);
5420 }
5421
5422 if (inta & IMR_TXFOVW)
5423 priv->stats.txoverflow++;
5424
5425 if (inta & IMR_BKDOK) {
5426 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
5427 priv->stats.txbkokint++;
5428 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
5429 rtl8192_tx_isr(dev, BK_QUEUE);
5430 }
5431
5432 if (inta & IMR_BEDOK) {
5433 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
5434 priv->stats.txbeokint++;
5435 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
5436 rtl8192_tx_isr(dev, BE_QUEUE);
5437 }
5438
5439 if (inta & IMR_VIDOK) {
5440 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
5441 priv->stats.txviokint++;
5442 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
5443 rtl8192_tx_isr(dev, VI_QUEUE);
5444 }
5445
5446 if (inta & IMR_VODOK) {
5447 priv->stats.txvookint++;
5448 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
5449 rtl8192_tx_isr(dev, VO_QUEUE);
5450 }
5451
5452 out_unlock:
5453 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
5454
5455 return ret;
5456 }
5457
5458 void EnableHWSecurityConfig8192(struct net_device *dev)
5459 {
5460 u8 SECR_value = 0x0;
5461 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5462 struct ieee80211_device* ieee = priv->ieee80211;
5463
5464 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
5465
5466 if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
5467 {
5468 SECR_value |= SCR_RxUseDK;
5469 SECR_value |= SCR_TxUseDK;
5470 }
5471 else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
5472 {
5473 SECR_value |= SCR_RxUseDK;
5474 SECR_value |= SCR_TxUseDK;
5475 }
5476
5477 //add HWSec active enable here.
5478 //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
5479 ieee->hwsec_active = 1;
5480
5481 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
5482 {
5483 ieee->hwsec_active = 0;
5484 SECR_value &= ~SCR_RxDecEnable;
5485 }
5486
5487 RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__,
5488 ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
5489 {
5490 write_nic_byte(priv, SECR, SECR_value);//SECR_value | SCR_UseDK );
5491 }
5492
5493 }
5494 #define TOTAL_CAM_ENTRY 32
5495 //#define CAM_CONTENT_COUNT 8
5496 void setKey( struct net_device *dev,
5497 u8 EntryNo,
5498 u8 KeyIndex,
5499 u16 KeyType,
5500 const u8 *MacAddr,
5501 u8 DefaultKey,
5502 u32 *KeyContent )
5503 {
5504 u32 TargetCommand = 0;
5505 u32 TargetContent = 0;
5506 u16 usConfig = 0;
5507 u8 i;
5508 #ifdef ENABLE_IPS
5509 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5510 RT_RF_POWER_STATE rtState;
5511 rtState = priv->ieee80211->eRFPowerState;
5512 if(priv->ieee80211->PowerSaveControl.bInactivePs){
5513 if(rtState == eRfOff){
5514 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
5515 {
5516 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
5517 //up(&priv->wx_sem);
5518 return ;
5519 }
5520 else{
5521 down(&priv->ieee80211->ips_sem);
5522 IPSLeave(dev);
5523 up(&priv->ieee80211->ips_sem);
5524 }
5525 }
5526 }
5527 priv->ieee80211->is_set_key = true;
5528 #endif
5529 if (EntryNo >= TOTAL_CAM_ENTRY)
5530 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
5531
5532 RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr);
5533
5534 if (DefaultKey)
5535 usConfig |= BIT15 | (KeyType<<2);
5536 else
5537 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
5538 // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
5539
5540
5541 for(i=0 ; i<CAM_CONTENT_COUNT; i++){
5542 TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
5543 TargetCommand |= BIT31|BIT16;
5544
5545 if(i==0){//MAC|Config
5546 TargetContent = (u32)(*(MacAddr+0)) << 16|
5547 (u32)(*(MacAddr+1)) << 24|
5548 (u32)usConfig;
5549
5550 write_nic_dword(priv, WCAMI, TargetContent);
5551 write_nic_dword(priv, RWCAM, TargetCommand);
5552 }
5553 else if(i==1){//MAC
5554 TargetContent = (u32)(*(MacAddr+2)) |
5555 (u32)(*(MacAddr+3)) << 8|
5556 (u32)(*(MacAddr+4)) << 16|
5557 (u32)(*(MacAddr+5)) << 24;
5558 write_nic_dword(priv, WCAMI, TargetContent);
5559 write_nic_dword(priv, RWCAM, TargetCommand);
5560 }
5561 else { //Key Material
5562 if(KeyContent != NULL)
5563 {
5564 write_nic_dword(priv, WCAMI, (u32)(*(KeyContent+i-2)) );
5565 write_nic_dword(priv, RWCAM, TargetCommand);
5566 }
5567 }
5568 }
5569 RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
5570 }
5571
5572 bool NicIFEnableNIC(struct net_device* dev)
5573 {
5574 RT_STATUS init_status = RT_STATUS_SUCCESS;
5575 struct r8192_priv* priv = ieee80211_priv(dev);
5576 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
5577
5578 //YJ,add,091109
5579 if (priv->up == 0){
5580 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
5581 priv->bdisable_nic = false; //YJ,add,091111
5582 return false;
5583 }
5584 // <1> Reset memory: descriptor, buffer,..
5585 //NicIFResetMemory(Adapter);
5586
5587 // <2> Enable Adapter
5588 //priv->bfirst_init = true;
5589 init_status = rtl8192_adapter_start(dev);
5590 if (init_status != RT_STATUS_SUCCESS) {
5591 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
5592 priv->bdisable_nic = false; //YJ,add,091111
5593 return -1;
5594 }
5595 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
5596 //priv->bfirst_init = false;
5597
5598 // <3> Enable Interrupt
5599 rtl8192_irq_enable(dev);
5600 priv->bdisable_nic = false;
5601
5602 return (init_status == RT_STATUS_SUCCESS);
5603 }
5604
5605 bool NicIFDisableNIC(struct net_device* dev)
5606 {
5607 bool status = true;
5608 struct r8192_priv* priv = ieee80211_priv(dev);
5609 u8 tmp_state = 0;
5610 // <1> Disable Interrupt
5611
5612 priv->bdisable_nic = true; //YJ,move,091109
5613 tmp_state = priv->ieee80211->state;
5614
5615 ieee80211_softmac_stop_protocol(priv->ieee80211, false);
5616
5617 priv->ieee80211->state = tmp_state;
5618 rtl8192_cancel_deferred_work(priv);
5619 rtl8192_irq_disable(dev);
5620 // <2> Stop all timer
5621
5622 // <3> Disable Adapter
5623 rtl8192_halt_adapter(dev, false);
5624 // priv->bdisable_nic = true;
5625
5626 return status;
5627 }
5628
5629 module_init(rtl8192_pci_module_init);
5630 module_exit(rtl8192_pci_module_exit);
Linux kernel - Deliverables
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