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staging: rtl8192e: Pass priv to TranslateRxSignalStuff819xpci
[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
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 r8192_priv *priv, struct sk_buff *skb);
107 static void rtl8192_update_ratr_table(struct r8192_priv *priv);
108 static void rtl8192_restart(struct work_struct *work);
109 static void watch_dog_timer_callback(unsigned long data);
110 static int _rtl8192_up(struct r8192_priv *priv);
111 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
112 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb);
113
114 #ifdef ENABLE_DOT11D
115
116 typedef struct _CHANNEL_LIST
117 {
118 u8 Channel[32];
119 u8 Len;
120 }CHANNEL_LIST, *PCHANNEL_LIST;
121
122 static const CHANNEL_LIST ChannelPlan[] = {
123 {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64,149,153,157,161,165},24}, //FCC
124 {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC
125 {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI
126 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI.
127 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI.
128 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, //MKK //MKK
129 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
130 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel.
131 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, // For 11a , TELEC
132 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC
133 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14} //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
134 };
135
136 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
137 {
138 int i, max_chan=-1, min_chan=-1;
139 struct ieee80211_device* ieee = priv->ieee80211;
140 switch (channel_plan)
141 {
142 case COUNTRY_CODE_FCC:
143 case COUNTRY_CODE_IC:
144 case COUNTRY_CODE_ETSI:
145 case COUNTRY_CODE_SPAIN:
146 case COUNTRY_CODE_FRANCE:
147 case COUNTRY_CODE_MKK:
148 case COUNTRY_CODE_MKK1:
149 case COUNTRY_CODE_ISRAEL:
150 case COUNTRY_CODE_TELEC:
151 case COUNTRY_CODE_MIC:
152 {
153 Dot11d_Init(ieee);
154 ieee->bGlobalDomain = false;
155 //acturally 8225 & 8256 rf chip only support B,G,24N mode
156 min_chan = 1;
157 max_chan = 14;
158
159 if (ChannelPlan[channel_plan].Len != 0){
160 // Clear old channel map
161 memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
162 // Set new channel map
163 for (i=0;i<ChannelPlan[channel_plan].Len;i++)
164 {
165 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
166 break;
167 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
168 }
169 }
170 break;
171 }
172 case COUNTRY_CODE_GLOBAL_DOMAIN:
173 {
174 GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
175 Dot11d_Reset(ieee);
176 ieee->bGlobalDomain = true;
177 break;
178 }
179 default:
180 break;
181 }
182 }
183 #endif
184
185 static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo)
186 {
187 return (pdrvinfo->RxRate == DESC90_RATE1M ||
188 pdrvinfo->RxRate == DESC90_RATE2M ||
189 pdrvinfo->RxRate == DESC90_RATE5_5M ||
190 pdrvinfo->RxRate == DESC90_RATE11M) &&
191 !pdrvinfo->RxHT;
192 }
193
194 void CamResetAllEntry(struct r8192_priv* priv)
195 {
196 write_nic_dword(priv, RWCAM, BIT31|BIT30);
197 }
198
199 void write_cam(struct r8192_priv *priv, u8 addr, u32 data)
200 {
201 write_nic_dword(priv, WCAMI, data);
202 write_nic_dword(priv, RWCAM, BIT31|BIT16|(addr&0xff) );
203 }
204
205 u32 read_cam(struct r8192_priv *priv, u8 addr)
206 {
207 write_nic_dword(priv, RWCAM, 0x80000000|(addr&0xff) );
208 return read_nic_dword(priv, 0xa8);
209 }
210
211 u8 read_nic_byte(struct r8192_priv *priv, int x)
212 {
213 struct net_device *dev = priv->ieee80211->dev;
214 return 0xff&readb((u8*)dev->mem_start +x);
215 }
216
217 u32 read_nic_dword(struct r8192_priv *priv, int x)
218 {
219 struct net_device *dev = priv->ieee80211->dev;
220 return readl((u8*)dev->mem_start +x);
221 }
222
223 u16 read_nic_word(struct r8192_priv *priv, int x)
224 {
225 struct net_device *dev = priv->ieee80211->dev;
226 return readw((u8*)dev->mem_start +x);
227 }
228
229 void write_nic_byte(struct r8192_priv *priv, int x,u8 y)
230 {
231 struct net_device *dev = priv->ieee80211->dev;
232 writeb(y,(u8*)dev->mem_start +x);
233 udelay(20);
234 }
235
236 void write_nic_dword(struct r8192_priv *priv, int x,u32 y)
237 {
238 struct net_device *dev = priv->ieee80211->dev;
239 writel(y,(u8*)dev->mem_start +x);
240 udelay(20);
241 }
242
243 void write_nic_word(struct r8192_priv *priv, int x,u16 y)
244 {
245 struct net_device *dev = priv->ieee80211->dev;
246 writew(y,(u8*)dev->mem_start +x);
247 udelay(20);
248 }
249
250 u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
251 {
252 static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
253 static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
254 int wpa_ie_len= ieee->wpa_ie_len;
255 struct ieee80211_crypt_data* crypt;
256 int encrypt;
257
258 crypt = ieee->crypt[ieee->tx_keyidx];
259
260 encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||
261 (ieee->host_encrypt && crypt && crypt->ops &&
262 (0 == strcmp(crypt->ops->name,"WEP")));
263
264 /* simply judge */
265 if(encrypt && (wpa_ie_len == 0)) {
266 // wep encryption, no N mode setting */
267 return SEC_ALG_WEP;
268 } else if((wpa_ie_len != 0)) {
269 // parse pairwise key type */
270 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
271 ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
272 return SEC_ALG_CCMP;
273 else
274 return SEC_ALG_TKIP;
275 } else {
276 return SEC_ALG_NONE;
277 }
278 }
279
280 void
281 rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val)
282 {
283 struct r8192_priv* priv = ieee80211_priv(dev);
284
285 switch(variable)
286 {
287
288 case HW_VAR_BSSID:
289 write_nic_dword(priv, BSSIDR, ((u32*)(val))[0]);
290 write_nic_word(priv, BSSIDR+2, ((u16*)(val+2))[0]);
291 break;
292
293 case HW_VAR_MEDIA_STATUS:
294 {
295 RT_OP_MODE OpMode = *((RT_OP_MODE *)(val));
296 u8 btMsr = read_nic_byte(priv, MSR);
297
298 btMsr &= 0xfc;
299
300 switch(OpMode)
301 {
302 case RT_OP_MODE_INFRASTRUCTURE:
303 btMsr |= MSR_INFRA;
304 break;
305
306 case RT_OP_MODE_IBSS:
307 btMsr |= MSR_ADHOC;
308 break;
309
310 case RT_OP_MODE_AP:
311 btMsr |= MSR_AP;
312 break;
313
314 default:
315 btMsr |= MSR_NOLINK;
316 break;
317 }
318
319 write_nic_byte(priv, MSR, btMsr);
320 }
321 break;
322
323 case HW_VAR_CHECK_BSSID:
324 {
325 u32 RegRCR, Type;
326
327 Type = ((u8*)(val))[0];
328 RegRCR = read_nic_dword(priv, RCR);
329 priv->ReceiveConfig = RegRCR;
330
331 if (Type == true)
332 RegRCR |= (RCR_CBSSID);
333 else if (Type == false)
334 RegRCR &= (~RCR_CBSSID);
335
336 write_nic_dword(priv, RCR,RegRCR);
337 priv->ReceiveConfig = RegRCR;
338
339 }
340 break;
341
342 case HW_VAR_SLOT_TIME:
343 {
344 priv->slot_time = val[0];
345 write_nic_byte(priv, SLOT_TIME, val[0]);
346
347 }
348 break;
349
350 case HW_VAR_ACK_PREAMBLE:
351 {
352 u32 regTmp = 0;
353 priv->short_preamble = (bool)(*(u8*)val );
354 regTmp = priv->basic_rate;
355 if (priv->short_preamble)
356 regTmp |= BRSR_AckShortPmb;
357 write_nic_dword(priv, RRSR, regTmp);
358 }
359 break;
360
361 case HW_VAR_CPU_RST:
362 write_nic_dword(priv, CPU_GEN, ((u32*)(val))[0]);
363 break;
364
365 default:
366 break;
367 }
368
369 }
370
371 static struct proc_dir_entry *rtl8192_proc = NULL;
372
373 static int proc_get_stats_ap(char *page, char **start,
374 off_t offset, int count,
375 int *eof, void *data)
376 {
377 struct net_device *dev = data;
378 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
379 struct ieee80211_device *ieee = priv->ieee80211;
380 struct ieee80211_network *target;
381 int len = 0;
382
383 list_for_each_entry(target, &ieee->network_list, list) {
384
385 len += snprintf(page + len, count - len,
386 "%s ", target->ssid);
387
388 if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
389 len += snprintf(page + len, count - len,
390 "WPA\n");
391 }
392 else{
393 len += snprintf(page + len, count - len,
394 "non_WPA\n");
395 }
396
397 }
398
399 *eof = 1;
400 return len;
401 }
402
403 static int proc_get_registers(char *page, char **start,
404 off_t offset, int count,
405 int *eof, void *data)
406 {
407 struct net_device *dev = data;
408 struct r8192_priv *priv = ieee80211_priv(dev);
409 int len = 0;
410 int i,n;
411 int max=0xff;
412
413 /* This dump the current register page */
414 len += snprintf(page + len, count - len,
415 "\n####################page 0##################\n ");
416
417 for(n=0;n<=max;)
418 {
419 len += snprintf(page + len, count - len,
420 "\nD: %2x > ",n);
421
422 for(i=0;i<16 && n<=max;i++,n++)
423 len += snprintf(page + len, count - len,
424 "%2x ",read_nic_byte(priv,n));
425 }
426 len += snprintf(page + len, count - len,"\n");
427 len += snprintf(page + len, count - len,
428 "\n####################page 1##################\n ");
429 for(n=0;n<=max;)
430 {
431 len += snprintf(page + len, count - len,
432 "\nD: %2x > ",n);
433
434 for(i=0;i<16 && n<=max;i++,n++)
435 len += snprintf(page + len, count - len,
436 "%2x ",read_nic_byte(priv,0x100|n));
437 }
438
439 len += snprintf(page + len, count - len,
440 "\n####################page 3##################\n ");
441 for(n=0;n<=max;)
442 {
443 len += snprintf(page + len, count - len,
444 "\nD: %2x > ",n);
445
446 for(i=0;i<16 && n<=max;i++,n++)
447 len += snprintf(page + len, count - len,
448 "%2x ",read_nic_byte(priv,0x300|n));
449 }
450
451 *eof = 1;
452 return len;
453
454 }
455
456 static int proc_get_stats_tx(char *page, char **start,
457 off_t offset, int count,
458 int *eof, void *data)
459 {
460 struct net_device *dev = data;
461 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
462
463 int len = 0;
464
465 len += snprintf(page + len, count - len,
466 "TX VI priority ok int: %lu\n"
467 "TX VO priority ok int: %lu\n"
468 "TX BE priority ok int: %lu\n"
469 "TX BK priority ok int: %lu\n"
470 "TX MANAGE priority ok int: %lu\n"
471 "TX BEACON priority ok int: %lu\n"
472 "TX BEACON priority error int: %lu\n"
473 "TX CMDPKT priority ok int: %lu\n"
474 "TX queue stopped?: %d\n"
475 "TX fifo overflow: %lu\n"
476 "TX total data packets %lu\n"
477 "TX total data bytes :%lu\n",
478 priv->stats.txviokint,
479 priv->stats.txvookint,
480 priv->stats.txbeokint,
481 priv->stats.txbkokint,
482 priv->stats.txmanageokint,
483 priv->stats.txbeaconokint,
484 priv->stats.txbeaconerr,
485 priv->stats.txcmdpktokint,
486 netif_queue_stopped(dev),
487 priv->stats.txoverflow,
488 priv->ieee80211->stats.tx_packets,
489 priv->ieee80211->stats.tx_bytes);
490
491 *eof = 1;
492 return len;
493 }
494
495
496
497 static int proc_get_stats_rx(char *page, char **start,
498 off_t offset, int count,
499 int *eof, void *data)
500 {
501 struct net_device *dev = data;
502 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
503
504 int len = 0;
505
506 len += snprintf(page + len, count - len,
507 "RX packets: %lu\n"
508 "RX desc err: %lu\n"
509 "RX rx overflow error: %lu\n",
510 priv->stats.rxint,
511 priv->stats.rxrdu,
512 priv->stats.rxoverflow);
513
514 *eof = 1;
515 return len;
516 }
517
518 static void rtl8192_proc_module_init(void)
519 {
520 RT_TRACE(COMP_INIT, "Initializing proc filesystem\n");
521 rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
522 }
523
524
525 static void rtl8192_proc_module_remove(void)
526 {
527 remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
528 }
529
530
531 static void rtl8192_proc_remove_one(struct r8192_priv *priv)
532 {
533 struct net_device *dev = priv->ieee80211->dev;
534
535 printk("dev name=======> %s\n",dev->name);
536
537 if (priv->dir_dev) {
538 remove_proc_entry("stats-tx", priv->dir_dev);
539 remove_proc_entry("stats-rx", priv->dir_dev);
540 remove_proc_entry("stats-ap", priv->dir_dev);
541 remove_proc_entry("registers", priv->dir_dev);
542 remove_proc_entry("wlan0", rtl8192_proc);
543 priv->dir_dev = NULL;
544 }
545 }
546
547
548 static void rtl8192_proc_init_one(struct r8192_priv *priv)
549 {
550 struct net_device *dev = priv->ieee80211->dev;
551 struct proc_dir_entry *e;
552
553 priv->dir_dev = create_proc_entry(dev->name,
554 S_IFDIR | S_IRUGO | S_IXUGO,
555 rtl8192_proc);
556 if (!priv->dir_dev) {
557 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
558 dev->name);
559 return;
560 }
561 e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
562 priv->dir_dev, proc_get_stats_rx, dev);
563
564 if (!e) {
565 RT_TRACE(COMP_ERR,"Unable to initialize "
566 "/proc/net/rtl8192/%s/stats-rx\n",
567 dev->name);
568 }
569
570
571 e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
572 priv->dir_dev, proc_get_stats_tx, dev);
573
574 if (!e) {
575 RT_TRACE(COMP_ERR, "Unable to initialize "
576 "/proc/net/rtl8192/%s/stats-tx\n",
577 dev->name);
578 }
579
580 e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
581 priv->dir_dev, proc_get_stats_ap, dev);
582
583 if (!e) {
584 RT_TRACE(COMP_ERR, "Unable to initialize "
585 "/proc/net/rtl8192/%s/stats-ap\n",
586 dev->name);
587 }
588
589 e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
590 priv->dir_dev, proc_get_registers, dev);
591 if (!e) {
592 RT_TRACE(COMP_ERR, "Unable to initialize "
593 "/proc/net/rtl8192/%s/registers\n",
594 dev->name);
595 }
596 }
597
598 static short check_nic_enough_desc(struct net_device *dev, int prio)
599 {
600 struct r8192_priv *priv = ieee80211_priv(dev);
601 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
602
603 /* for now we reserve two free descriptor as a safety boundary
604 * between the tail and the head
605 */
606 return (ring->entries - skb_queue_len(&ring->queue) >= 2);
607 }
608
609 static void tx_timeout(struct net_device *dev)
610 {
611 struct r8192_priv *priv = ieee80211_priv(dev);
612
613 schedule_work(&priv->reset_wq);
614 printk("TXTIMEOUT");
615 }
616
617 static void rtl8192_irq_enable(struct r8192_priv *priv)
618 {
619 u32 mask;
620
621 mask = IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |
622 IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |
623 IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |
624 IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER;
625
626 write_nic_dword(priv, INTA_MASK, mask);
627 }
628
629 static void rtl8192_irq_disable(struct r8192_priv *priv)
630 {
631 write_nic_dword(priv, INTA_MASK, 0);
632 synchronize_irq(priv->irq);
633 }
634
635 static void rtl8192_update_msr(struct r8192_priv *priv)
636 {
637 u8 msr;
638
639 msr = read_nic_byte(priv, MSR);
640 msr &= ~ MSR_LINK_MASK;
641
642 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
643 * msr must be updated if the state is ASSOCIATING.
644 * this is intentional and make sense for ad-hoc and
645 * master (see the create BSS/IBSS func)
646 */
647 if (priv->ieee80211->state == IEEE80211_LINKED){
648
649 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
650 msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
651 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
652 msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
653 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
654 msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
655
656 }else
657 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
658
659 write_nic_byte(priv, MSR, msr);
660 }
661
662 static void rtl8192_set_chan(struct net_device *dev,short ch)
663 {
664 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
665
666 priv->chan = ch;
667
668 /* need to implement rf set channel here WB */
669
670 if (priv->rf_set_chan)
671 priv->rf_set_chan(dev, priv->chan);
672 }
673
674 static void rtl8192_rx_enable(struct r8192_priv *priv)
675 {
676 write_nic_dword(priv, RDQDA, priv->rx_ring_dma);
677 }
678
679 /* the TX_DESC_BASE setting is according to the following queue index
680 * BK_QUEUE ===> 0
681 * BE_QUEUE ===> 1
682 * VI_QUEUE ===> 2
683 * VO_QUEUE ===> 3
684 * HCCA_QUEUE ===> 4
685 * TXCMD_QUEUE ===> 5
686 * MGNT_QUEUE ===> 6
687 * HIGH_QUEUE ===> 7
688 * BEACON_QUEUE ===> 8
689 * */
690 static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
691 static void rtl8192_tx_enable(struct r8192_priv *priv)
692 {
693 u32 i;
694
695 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
696 write_nic_dword(priv, TX_DESC_BASE[i], priv->tx_ring[i].dma);
697
698 ieee80211_reset_queue(priv->ieee80211);
699 }
700
701
702 static void rtl8192_free_rx_ring(struct r8192_priv *priv)
703 {
704 int i;
705
706 for (i = 0; i < priv->rxringcount; i++) {
707 struct sk_buff *skb = priv->rx_buf[i];
708 if (!skb)
709 continue;
710
711 pci_unmap_single(priv->pdev,
712 *((dma_addr_t *)skb->cb),
713 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
714 kfree_skb(skb);
715 }
716
717 pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
718 priv->rx_ring, priv->rx_ring_dma);
719 priv->rx_ring = NULL;
720 }
721
722 static void rtl8192_free_tx_ring(struct r8192_priv *priv, unsigned int prio)
723 {
724 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
725
726 while (skb_queue_len(&ring->queue)) {
727 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
728 struct sk_buff *skb = __skb_dequeue(&ring->queue);
729
730 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
731 skb->len, PCI_DMA_TODEVICE);
732 kfree_skb(skb);
733 ring->idx = (ring->idx + 1) % ring->entries;
734 }
735
736 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
737 ring->desc, ring->dma);
738 ring->desc = NULL;
739 }
740
741 void PHY_SetRtl8192eRfOff(struct r8192_priv *priv)
742 {
743 //disable RF-Chip A/B
744 rtl8192_setBBreg(priv, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
745 //analog to digital off, for power save
746 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter4, 0x300, 0x0);
747 //digital to analog off, for power save
748 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x18, 0x0);
749 //rx antenna off
750 rtl8192_setBBreg(priv, rOFDM0_TRxPathEnable, 0xf, 0x0);
751 //rx antenna off
752 rtl8192_setBBreg(priv, rOFDM1_TRxPathEnable, 0xf, 0x0);
753 //analog to digital part2 off, for power save
754 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x60, 0x0);
755 rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x4, 0x0);
756 // Analog parameter!!Change bias and Lbus control.
757 write_nic_byte(priv, ANAPAR_FOR_8192PciE, 0x07);
758 }
759
760 static void rtl8192_halt_adapter(struct r8192_priv *priv, bool reset)
761 {
762 struct net_device *dev = priv->ieee80211->dev;
763 int i;
764 u8 OpMode;
765 u32 ulRegRead;
766
767 OpMode = RT_OP_MODE_NO_LINK;
768 priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode);
769
770 if (!priv->ieee80211->bSupportRemoteWakeUp) {
771 /*
772 * disable tx/rx. In 8185 we write 0x10 (Reset bit),
773 * but here we make reference to WMAC and wirte 0x0
774 */
775 write_nic_byte(priv, CMDR, 0);
776 }
777
778 mdelay(20);
779
780 if (!reset) {
781 mdelay(150);
782
783 priv->bHwRfOffAction = 2;
784
785 /*
786 * Call MgntActSet_RF_State instead to
787 * prevent RF config race condition.
788 */
789 if (!priv->ieee80211->bSupportRemoteWakeUp) {
790 PHY_SetRtl8192eRfOff(priv);
791 ulRegRead = read_nic_dword(priv, CPU_GEN);
792 ulRegRead |= CPU_GEN_SYSTEM_RESET;
793 write_nic_dword(priv,CPU_GEN, ulRegRead);
794 } else {
795 /* for WOL */
796 write_nic_dword(priv, WFCRC0, 0xffffffff);
797 write_nic_dword(priv, WFCRC1, 0xffffffff);
798 write_nic_dword(priv, WFCRC2, 0xffffffff);
799
800 /* Write PMR register */
801 write_nic_byte(priv, PMR, 0x5);
802 /* Disable tx, enanble rx */
803 write_nic_byte(priv, MacBlkCtrl, 0xa);
804 }
805 }
806
807 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
808 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
809 }
810 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
811 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
812 }
813
814 skb_queue_purge(&priv->skb_queue);
815 }
816
817 static void rtl8192_data_hard_stop(struct net_device *dev)
818 {
819 }
820
821 static void rtl8192_data_hard_resume(struct net_device *dev)
822 {
823 }
824
825 /*
826 * this function TX data frames when the ieee80211 stack requires this.
827 * It checks also if we need to stop the ieee tx queue, eventually do it
828 */
829 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
830 {
831 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
832 int ret;
833 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
834 u8 queue_index = tcb_desc->queue_index;
835
836 /* shall not be referred by command packet */
837 BUG_ON(queue_index == TXCMD_QUEUE);
838
839 if (priv->bHwRadioOff || (!priv->up))
840 {
841 kfree_skb(skb);
842 return;
843 }
844
845 memcpy(skb->cb, &dev, sizeof(dev));
846
847 skb_push(skb, priv->ieee80211->tx_headroom);
848 ret = rtl8192_tx(priv, skb);
849 if (ret != 0) {
850 kfree_skb(skb);
851 }
852
853 if (queue_index != MGNT_QUEUE) {
854 priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom);
855 priv->ieee80211->stats.tx_packets++;
856 }
857 }
858
859 /*
860 * This is a rough attempt to TX a frame
861 * This is called by the ieee 80211 stack to TX management frames.
862 * If the ring is full packet are dropped (for data frame the queue
863 * is stopped before this can happen).
864 */
865 static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
866 {
867 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
868 int ret;
869 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
870 u8 queue_index = tcb_desc->queue_index;
871
872 if (queue_index != TXCMD_QUEUE) {
873 if (priv->bHwRadioOff || (!priv->up))
874 {
875 kfree_skb(skb);
876 return 0;
877 }
878 }
879
880 memcpy(skb->cb, &dev, sizeof(dev));
881 if (queue_index == TXCMD_QUEUE) {
882 rtl819xE_tx_cmd(priv, skb);
883 ret = 0;
884 return ret;
885 } else {
886 tcb_desc->RATRIndex = 7;
887 tcb_desc->bTxDisableRateFallBack = 1;
888 tcb_desc->bTxUseDriverAssingedRate = 1;
889 tcb_desc->bTxEnableFwCalcDur = 1;
890 skb_push(skb, priv->ieee80211->tx_headroom);
891 ret = rtl8192_tx(priv, skb);
892 if (ret != 0) {
893 kfree_skb(skb);
894 }
895 }
896
897 return ret;
898 }
899
900
901 static void rtl8192_tx_isr(struct r8192_priv *priv, int prio)
902 {
903 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
904
905 while (skb_queue_len(&ring->queue)) {
906 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
907 struct sk_buff *skb;
908
909 /*
910 * beacon packet will only use the first descriptor defaultly,
911 * and the OWN may not be cleared by the hardware
912 */
913 if (prio != BEACON_QUEUE) {
914 if (entry->OWN)
915 return;
916 ring->idx = (ring->idx + 1) % ring->entries;
917 }
918
919 skb = __skb_dequeue(&ring->queue);
920 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
921 skb->len, PCI_DMA_TODEVICE);
922
923 kfree_skb(skb);
924 }
925
926 if (prio != BEACON_QUEUE) {
927 /* try to deal with the pending packets */
928 tasklet_schedule(&priv->irq_tx_tasklet);
929 }
930 }
931
932 static void rtl8192_stop_beacon(struct net_device *dev)
933 {
934 }
935
936 static void rtl8192_config_rate(struct r8192_priv *priv, u16* rate_config)
937 {
938 struct ieee80211_network *net;
939 u8 i=0, basic_rate = 0;
940 net = & priv->ieee80211->current_network;
941
942 for (i=0; i<net->rates_len; i++)
943 {
944 basic_rate = net->rates[i]&0x7f;
945 switch(basic_rate)
946 {
947 case MGN_1M: *rate_config |= RRSR_1M; break;
948 case MGN_2M: *rate_config |= RRSR_2M; break;
949 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
950 case MGN_11M: *rate_config |= RRSR_11M; break;
951 case MGN_6M: *rate_config |= RRSR_6M; break;
952 case MGN_9M: *rate_config |= RRSR_9M; break;
953 case MGN_12M: *rate_config |= RRSR_12M; break;
954 case MGN_18M: *rate_config |= RRSR_18M; break;
955 case MGN_24M: *rate_config |= RRSR_24M; break;
956 case MGN_36M: *rate_config |= RRSR_36M; break;
957 case MGN_48M: *rate_config |= RRSR_48M; break;
958 case MGN_54M: *rate_config |= RRSR_54M; break;
959 }
960 }
961 for (i=0; i<net->rates_ex_len; i++)
962 {
963 basic_rate = net->rates_ex[i]&0x7f;
964 switch(basic_rate)
965 {
966 case MGN_1M: *rate_config |= RRSR_1M; break;
967 case MGN_2M: *rate_config |= RRSR_2M; break;
968 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
969 case MGN_11M: *rate_config |= RRSR_11M; break;
970 case MGN_6M: *rate_config |= RRSR_6M; break;
971 case MGN_9M: *rate_config |= RRSR_9M; break;
972 case MGN_12M: *rate_config |= RRSR_12M; break;
973 case MGN_18M: *rate_config |= RRSR_18M; break;
974 case MGN_24M: *rate_config |= RRSR_24M; break;
975 case MGN_36M: *rate_config |= RRSR_36M; break;
976 case MGN_48M: *rate_config |= RRSR_48M; break;
977 case MGN_54M: *rate_config |= RRSR_54M; break;
978 }
979 }
980 }
981
982
983 #define SHORT_SLOT_TIME 9
984 #define NON_SHORT_SLOT_TIME 20
985
986 static void rtl8192_update_cap(struct r8192_priv *priv, u16 cap)
987 {
988 u32 tmp = 0;
989 struct ieee80211_network *net = &priv->ieee80211->current_network;
990
991 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
992 tmp = priv->basic_rate;
993 if (priv->short_preamble)
994 tmp |= BRSR_AckShortPmb;
995 write_nic_dword(priv, RRSR, tmp);
996
997 if (net->mode & (IEEE_G|IEEE_N_24G))
998 {
999 u8 slot_time = 0;
1000 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1001 {//short slot time
1002 slot_time = SHORT_SLOT_TIME;
1003 }
1004 else //long slot time
1005 slot_time = NON_SHORT_SLOT_TIME;
1006 priv->slot_time = slot_time;
1007 write_nic_byte(priv, SLOT_TIME, slot_time);
1008 }
1009
1010 }
1011
1012 static void rtl8192_net_update(struct r8192_priv *priv)
1013 {
1014 struct ieee80211_network *net;
1015 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1016 u16 rate_config = 0;
1017 net = &priv->ieee80211->current_network;
1018
1019 /* update Basic rate: RR, BRSR */
1020 rtl8192_config_rate(priv, &rate_config);
1021
1022 /*
1023 * Select RRSR (in Legacy-OFDM and CCK)
1024 * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1025 * 2M, and 1M from the Basic rate.
1026 * We do not use other rates.
1027 */
1028 priv->basic_rate = rate_config &= 0x15f;
1029
1030 /* BSSID */
1031 write_nic_dword(priv, BSSIDR, ((u32 *)net->bssid)[0]);
1032 write_nic_word(priv, BSSIDR+4, ((u16 *)net->bssid)[2]);
1033
1034 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1035 {
1036 write_nic_word(priv, ATIMWND, 2);
1037 write_nic_word(priv, BCN_DMATIME, 256);
1038 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
1039 /*
1040 * BIT15 of BCN_DRV_EARLY_INT will indicate
1041 * whether software beacon or hw beacon is applied.
1042 */
1043 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
1044 write_nic_byte(priv, BCN_ERR_THRESH, 100);
1045
1046 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1047 /* TODO: BcnIFS may required to be changed on ASIC */
1048 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1049 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
1050 }
1051 }
1052
1053 static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb)
1054 {
1055 struct rtl8192_tx_ring *ring;
1056 tx_desc_819x_pci *entry;
1057 unsigned int idx;
1058 dma_addr_t mapping;
1059 cb_desc *tcb_desc;
1060 unsigned long flags;
1061
1062 ring = &priv->tx_ring[TXCMD_QUEUE];
1063 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1064
1065 spin_lock_irqsave(&priv->irq_th_lock,flags);
1066 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1067 entry = &ring->desc[idx];
1068
1069 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1070 memset(entry,0,12);
1071 entry->LINIP = tcb_desc->bLastIniPkt;
1072 entry->FirstSeg = 1;//first segment
1073 entry->LastSeg = 1; //last segment
1074 if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1075 entry->CmdInit = DESC_PACKET_TYPE_INIT;
1076 } else {
1077 entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1078 entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1079 entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1080 entry->QueueSelect = QSLT_CMD;
1081 entry->TxFWInfoSize = 0x08;
1082 entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1083 }
1084 entry->TxBufferSize = skb->len;
1085 entry->TxBuffAddr = cpu_to_le32(mapping);
1086 entry->OWN = 1;
1087
1088 __skb_queue_tail(&ring->queue, skb);
1089 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1090
1091 write_nic_byte(priv, TPPoll, TPPoll_CQ);
1092
1093 return;
1094 }
1095
1096 /*
1097 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1098 * in TxFwInfo data structure
1099 */
1100 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1101 {
1102 u8 QueueSelect = 0;
1103
1104 switch (QueueID) {
1105 case BE_QUEUE:
1106 QueueSelect = QSLT_BE;
1107 break;
1108
1109 case BK_QUEUE:
1110 QueueSelect = QSLT_BK;
1111 break;
1112
1113 case VO_QUEUE:
1114 QueueSelect = QSLT_VO;
1115 break;
1116
1117 case VI_QUEUE:
1118 QueueSelect = QSLT_VI;
1119 break;
1120
1121 case MGNT_QUEUE:
1122 QueueSelect = QSLT_MGNT;
1123 break;
1124
1125 case BEACON_QUEUE:
1126 QueueSelect = QSLT_BEACON;
1127 break;
1128
1129 case TXCMD_QUEUE:
1130 QueueSelect = QSLT_CMD;
1131 break;
1132
1133 case HIGH_QUEUE:
1134 default:
1135 RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID);
1136 break;
1137 }
1138 return QueueSelect;
1139 }
1140
1141 static u8 MRateToHwRate8190Pci(u8 rate)
1142 {
1143 u8 ret = DESC90_RATE1M;
1144
1145 switch(rate) {
1146 case MGN_1M: ret = DESC90_RATE1M; break;
1147 case MGN_2M: ret = DESC90_RATE2M; break;
1148 case MGN_5_5M: ret = DESC90_RATE5_5M; break;
1149 case MGN_11M: ret = DESC90_RATE11M; break;
1150 case MGN_6M: ret = DESC90_RATE6M; break;
1151 case MGN_9M: ret = DESC90_RATE9M; break;
1152 case MGN_12M: ret = DESC90_RATE12M; break;
1153 case MGN_18M: ret = DESC90_RATE18M; break;
1154 case MGN_24M: ret = DESC90_RATE24M; break;
1155 case MGN_36M: ret = DESC90_RATE36M; break;
1156 case MGN_48M: ret = DESC90_RATE48M; break;
1157 case MGN_54M: ret = DESC90_RATE54M; break;
1158
1159 // HT rate since here
1160 case MGN_MCS0: ret = DESC90_RATEMCS0; break;
1161 case MGN_MCS1: ret = DESC90_RATEMCS1; break;
1162 case MGN_MCS2: ret = DESC90_RATEMCS2; break;
1163 case MGN_MCS3: ret = DESC90_RATEMCS3; break;
1164 case MGN_MCS4: ret = DESC90_RATEMCS4; break;
1165 case MGN_MCS5: ret = DESC90_RATEMCS5; break;
1166 case MGN_MCS6: ret = DESC90_RATEMCS6; break;
1167 case MGN_MCS7: ret = DESC90_RATEMCS7; break;
1168 case MGN_MCS8: ret = DESC90_RATEMCS8; break;
1169 case MGN_MCS9: ret = DESC90_RATEMCS9; break;
1170 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1171 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1172 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1173 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1174 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1175 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1176 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1177
1178 default: break;
1179 }
1180 return ret;
1181 }
1182
1183
1184 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1185 {
1186 u8 tmp_Short;
1187
1188 tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1189
1190 if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1191 tmp_Short = 0;
1192
1193 return tmp_Short;
1194 }
1195
1196 /*
1197 * The tx procedure is just as following,
1198 * skb->cb will contain all the following information,
1199 * priority, morefrag, rate, &dev.
1200 */
1201 static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb)
1202 {
1203 struct rtl8192_tx_ring *ring;
1204 unsigned long flags;
1205 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1206 tx_desc_819x_pci *pdesc = NULL;
1207 TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1208 dma_addr_t mapping;
1209 bool multi_addr = false, broad_addr = false, uni_addr = false;
1210 u8 *pda_addr = NULL;
1211 int idx;
1212
1213 if (priv->bdisable_nic) {
1214 RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1215 skb->len, tcb_desc->queue_index);
1216 return skb->len;
1217 }
1218
1219 #ifdef ENABLE_LPS
1220 priv->ieee80211->bAwakePktSent = true;
1221 #endif
1222
1223 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1224
1225 /* collect the tx packets statitcs */
1226 pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI);
1227 if (is_multicast_ether_addr(pda_addr))
1228 multi_addr = true;
1229 else if (is_broadcast_ether_addr(pda_addr))
1230 broad_addr = true;
1231 else
1232 uni_addr = true;
1233
1234 if (uni_addr)
1235 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1236
1237 /* fill tx firmware */
1238 pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1239 memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI));
1240 pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0;
1241 pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1242 pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1243 pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1244
1245 /* Aggregation related */
1246 if (tcb_desc->bAMPDUEnable) {
1247 pTxFwInfo->AllowAggregation = 1;
1248 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1249 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1250 } else {
1251 pTxFwInfo->AllowAggregation = 0;
1252 pTxFwInfo->RxMF = 0;
1253 pTxFwInfo->RxAMD = 0;
1254 }
1255
1256 /* Protection mode related */
1257 pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0;
1258 pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0;
1259 pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0;
1260 pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0;
1261 pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1262 pTxFwInfo->RtsBandwidth = 0;
1263 pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1264 pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0);
1265
1266 /* Set Bandwidth and sub-channel settings. */
1267 if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) {
1268 if (tcb_desc->bPacketBW) {
1269 pTxFwInfo->TxBandwidth = 1;
1270 /* use duplicated mode */
1271 pTxFwInfo->TxSubCarrier = 0;
1272 } else {
1273 pTxFwInfo->TxBandwidth = 0;
1274 pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1275 }
1276 } else {
1277 pTxFwInfo->TxBandwidth = 0;
1278 pTxFwInfo->TxSubCarrier = 0;
1279 }
1280
1281 spin_lock_irqsave(&priv->irq_th_lock, flags);
1282 ring = &priv->tx_ring[tcb_desc->queue_index];
1283 if (tcb_desc->queue_index != BEACON_QUEUE)
1284 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1285 else
1286 idx = 0;
1287
1288 pdesc = &ring->desc[idx];
1289 if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1290 RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x\n",
1291 tcb_desc->queue_index, ring->idx, idx, skb->len);
1292 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1293 return skb->len;
1294 }
1295
1296 /* fill tx descriptor */
1297 memset(pdesc, 0, 12);
1298
1299 /*DWORD 0*/
1300 pdesc->LINIP = 0;
1301 pdesc->CmdInit = 1;
1302 pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */
1303 pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1304
1305 /*DWORD 1*/
1306 pdesc->SecCAMID = 0;
1307 pdesc->RATid = tcb_desc->RATRIndex;
1308
1309 pdesc->NoEnc = 1;
1310 pdesc->SecType = 0x0;
1311 if (tcb_desc->bHwSec) {
1312 switch (priv->ieee80211->pairwise_key_type) {
1313 case KEY_TYPE_WEP40:
1314 case KEY_TYPE_WEP104:
1315 pdesc->SecType = 0x1;
1316 pdesc->NoEnc = 0;
1317 break;
1318 case KEY_TYPE_TKIP:
1319 pdesc->SecType = 0x2;
1320 pdesc->NoEnc = 0;
1321 break;
1322 case KEY_TYPE_CCMP:
1323 pdesc->SecType = 0x3;
1324 pdesc->NoEnc = 0;
1325 break;
1326 case KEY_TYPE_NA:
1327 pdesc->SecType = 0x0;
1328 pdesc->NoEnc = 1;
1329 break;
1330 }
1331 }
1332
1333 /* Set Packet ID */
1334 pdesc->PktId = 0x0;
1335
1336 pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1337 pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1338
1339 pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1340 pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1341
1342 pdesc->FirstSeg = 1;
1343 pdesc->LastSeg = 1;
1344 pdesc->TxBufferSize = skb->len;
1345
1346 pdesc->TxBuffAddr = cpu_to_le32(mapping);
1347 __skb_queue_tail(&ring->queue, skb);
1348 pdesc->OWN = 1;
1349 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
1350 priv->ieee80211->dev->trans_start = jiffies;
1351 write_nic_word(priv, TPPoll, 0x01<<tcb_desc->queue_index);
1352 return 0;
1353 }
1354
1355 static short rtl8192_alloc_rx_desc_ring(struct r8192_priv *priv)
1356 {
1357 rx_desc_819x_pci *entry = NULL;
1358 int i;
1359
1360 priv->rx_ring = pci_alloc_consistent(priv->pdev,
1361 sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1362
1363 if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1364 RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1365 return -ENOMEM;
1366 }
1367
1368 memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1369 priv->rx_idx = 0;
1370
1371 for (i = 0; i < priv->rxringcount; i++) {
1372 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1373 dma_addr_t *mapping;
1374 entry = &priv->rx_ring[i];
1375 if (!skb)
1376 return 0;
1377 priv->rx_buf[i] = skb;
1378 mapping = (dma_addr_t *)skb->cb;
1379 *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
1380 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1381
1382 entry->BufferAddress = cpu_to_le32(*mapping);
1383
1384 entry->Length = priv->rxbuffersize;
1385 entry->OWN = 1;
1386 }
1387
1388 entry->EOR = 1;
1389 return 0;
1390 }
1391
1392 static int rtl8192_alloc_tx_desc_ring(struct r8192_priv *priv,
1393 unsigned int prio, unsigned int entries)
1394 {
1395 tx_desc_819x_pci *ring;
1396 dma_addr_t dma;
1397 int i;
1398
1399 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1400 if (!ring || (unsigned long)ring & 0xFF) {
1401 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1402 return -ENOMEM;
1403 }
1404
1405 memset(ring, 0, sizeof(*ring)*entries);
1406 priv->tx_ring[prio].desc = ring;
1407 priv->tx_ring[prio].dma = dma;
1408 priv->tx_ring[prio].idx = 0;
1409 priv->tx_ring[prio].entries = entries;
1410 skb_queue_head_init(&priv->tx_ring[prio].queue);
1411
1412 for (i = 0; i < entries; i++)
1413 ring[i].NextDescAddress =
1414 cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1415
1416 return 0;
1417 }
1418
1419 static short rtl8192_pci_initdescring(struct r8192_priv *priv)
1420 {
1421 u32 ret;
1422 int i;
1423
1424 ret = rtl8192_alloc_rx_desc_ring(priv);
1425 if (ret)
1426 return ret;
1427
1428 /* general process for other queue */
1429 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1430 ret = rtl8192_alloc_tx_desc_ring(priv, i, priv->txringcount);
1431 if (ret)
1432 goto err_free_rings;
1433 }
1434
1435 return 0;
1436
1437 err_free_rings:
1438 rtl8192_free_rx_ring(priv);
1439 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1440 if (priv->tx_ring[i].desc)
1441 rtl8192_free_tx_ring(priv, i);
1442 return 1;
1443 }
1444
1445 static void rtl8192_pci_resetdescring(struct r8192_priv *priv)
1446 {
1447 int i;
1448
1449 /* force the rx_idx to the first one */
1450 if(priv->rx_ring) {
1451 rx_desc_819x_pci *entry = NULL;
1452 for (i = 0; i < priv->rxringcount; i++) {
1453 entry = &priv->rx_ring[i];
1454 entry->OWN = 1;
1455 }
1456 priv->rx_idx = 0;
1457 }
1458
1459 /* after reset, release previous pending packet, and force the
1460 * tx idx to the first one */
1461 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1462 if (priv->tx_ring[i].desc) {
1463 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1464
1465 while (skb_queue_len(&ring->queue)) {
1466 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1467 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1468
1469 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1470 skb->len, PCI_DMA_TODEVICE);
1471 kfree_skb(skb);
1472 ring->idx = (ring->idx + 1) % ring->entries;
1473 }
1474 ring->idx = 0;
1475 }
1476 }
1477 }
1478
1479 static void rtl8192_link_change(struct net_device *dev)
1480 {
1481 struct r8192_priv *priv = ieee80211_priv(dev);
1482 struct ieee80211_device* ieee = priv->ieee80211;
1483
1484 if (ieee->state == IEEE80211_LINKED)
1485 {
1486 rtl8192_net_update(priv);
1487 rtl8192_update_ratr_table(priv);
1488
1489 //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
1490 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1491 EnableHWSecurityConfig8192(dev);
1492 }
1493 else
1494 {
1495 write_nic_byte(priv, 0x173, 0);
1496 }
1497
1498 rtl8192_update_msr(priv);
1499
1500 // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1501 // // To set CBSSID bit when link with any AP or STA.
1502 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1503 {
1504 u32 reg = 0;
1505 reg = read_nic_dword(priv, RCR);
1506 if (priv->ieee80211->state == IEEE80211_LINKED)
1507 priv->ReceiveConfig = reg |= RCR_CBSSID;
1508 else
1509 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1510 write_nic_dword(priv, RCR, reg);
1511 }
1512 }
1513
1514
1515 static const struct ieee80211_qos_parameters def_qos_parameters = {
1516 {3,3,3,3},/* cw_min */
1517 {7,7,7,7},/* cw_max */
1518 {2,2,2,2},/* aifs */
1519 {0,0,0,0},/* flags */
1520 {0,0,0,0} /* tx_op_limit */
1521 };
1522
1523 static void rtl8192_update_beacon(struct work_struct * work)
1524 {
1525 struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1526 struct ieee80211_device* ieee = priv->ieee80211;
1527 struct ieee80211_network* net = &ieee->current_network;
1528
1529 if (ieee->pHTInfo->bCurrentHTSupport)
1530 HTUpdateSelfAndPeerSetting(ieee, net);
1531 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1532 rtl8192_update_cap(priv, net->capability);
1533 }
1534
1535 /*
1536 * background support to run QoS activate functionality
1537 */
1538 static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1539 static void rtl8192_qos_activate(struct work_struct * work)
1540 {
1541 struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1542 struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1543 u8 mode = priv->ieee80211->current_network.mode;
1544 u8 u1bAIFS;
1545 u32 u4bAcParam;
1546 int i;
1547
1548 mutex_lock(&priv->mutex);
1549 if(priv->ieee80211->state != IEEE80211_LINKED)
1550 goto success;
1551 RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
1552 /* It better set slot time at first */
1553 /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1554 /* update the ac parameter to related registers */
1555 for(i = 0; i < QOS_QUEUE_NUM; i++) {
1556 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1557 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
1558 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
1559 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
1560 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
1561 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
1562 write_nic_dword(priv, WDCAPARA_ADD[i], u4bAcParam);
1563 }
1564
1565 success:
1566 mutex_unlock(&priv->mutex);
1567 }
1568
1569 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
1570 int active_network,
1571 struct ieee80211_network *network)
1572 {
1573 int ret = 0;
1574 u32 size = sizeof(struct ieee80211_qos_parameters);
1575
1576 if(priv->ieee80211->state !=IEEE80211_LINKED)
1577 return ret;
1578
1579 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1580 return ret;
1581
1582 if (network->flags & NETWORK_HAS_QOS_MASK) {
1583 if (active_network &&
1584 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
1585 network->qos_data.active = network->qos_data.supported;
1586
1587 if ((network->qos_data.active == 1) && (active_network == 1) &&
1588 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
1589 (network->qos_data.old_param_count !=
1590 network->qos_data.param_count)) {
1591 network->qos_data.old_param_count =
1592 network->qos_data.param_count;
1593 queue_work(priv->priv_wq, &priv->qos_activate);
1594 RT_TRACE (COMP_QOS, "QoS parameters change call "
1595 "qos_activate\n");
1596 }
1597 } else {
1598 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1599 &def_qos_parameters, size);
1600
1601 if ((network->qos_data.active == 1) && (active_network == 1)) {
1602 queue_work(priv->priv_wq, &priv->qos_activate);
1603 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate\n");
1604 }
1605 network->qos_data.active = 0;
1606 network->qos_data.supported = 0;
1607 }
1608
1609 return 0;
1610 }
1611
1612 /* handle manage frame frame beacon and probe response */
1613 static int rtl8192_handle_beacon(struct net_device * dev,
1614 struct ieee80211_beacon * beacon,
1615 struct ieee80211_network * network)
1616 {
1617 struct r8192_priv *priv = ieee80211_priv(dev);
1618
1619 rtl8192_qos_handle_probe_response(priv,1,network);
1620
1621 queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
1622 return 0;
1623
1624 }
1625
1626 /*
1627 * handling the beaconing responses. if we get different QoS setting
1628 * off the network from the associated setting, adjust the QoS setting
1629 */
1630 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
1631 struct ieee80211_network *network)
1632 {
1633 int ret = 0;
1634 unsigned long flags;
1635 u32 size = sizeof(struct ieee80211_qos_parameters);
1636 int set_qos_param = 0;
1637
1638 if ((priv == NULL) || (network == NULL))
1639 return ret;
1640
1641 if (priv->ieee80211->state != IEEE80211_LINKED)
1642 return ret;
1643
1644 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
1645 return ret;
1646
1647 spin_lock_irqsave(&priv->ieee80211->lock, flags);
1648 if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
1649 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1650 &network->qos_data.parameters,
1651 sizeof(struct ieee80211_qos_parameters));
1652 priv->ieee80211->current_network.qos_data.active = 1;
1653 set_qos_param = 1;
1654 /* update qos parameter for current network */
1655 priv->ieee80211->current_network.qos_data.old_param_count =
1656 priv->ieee80211->current_network.qos_data.param_count;
1657 priv->ieee80211->current_network.qos_data.param_count =
1658 network->qos_data.param_count;
1659
1660 } else {
1661 memcpy(&priv->ieee80211->current_network.qos_data.parameters,
1662 &def_qos_parameters, size);
1663 priv->ieee80211->current_network.qos_data.active = 0;
1664 priv->ieee80211->current_network.qos_data.supported = 0;
1665 set_qos_param = 1;
1666 }
1667
1668 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
1669
1670 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n", __FUNCTION__,
1671 network->flags, priv->ieee80211->current_network.qos_data.active);
1672 if (set_qos_param == 1)
1673 queue_work(priv->priv_wq, &priv->qos_activate);
1674
1675 return ret;
1676 }
1677
1678
1679 static int rtl8192_handle_assoc_response(struct net_device *dev,
1680 struct ieee80211_assoc_response_frame *resp,
1681 struct ieee80211_network *network)
1682 {
1683 struct r8192_priv *priv = ieee80211_priv(dev);
1684 rtl8192_qos_association_resp(priv, network);
1685 return 0;
1686 }
1687
1688
1689 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1690 static void rtl8192_update_ratr_table(struct r8192_priv* priv)
1691 {
1692 struct ieee80211_device* ieee = priv->ieee80211;
1693 u8* pMcsRate = ieee->dot11HTOperationalRateSet;
1694 u32 ratr_value = 0;
1695 u8 rate_index = 0;
1696
1697 rtl8192_config_rate(priv, (u16*)(&ratr_value));
1698 ratr_value |= (*(u16*)(pMcsRate)) << 12;
1699
1700 switch (ieee->mode)
1701 {
1702 case IEEE_A:
1703 ratr_value &= 0x00000FF0;
1704 break;
1705 case IEEE_B:
1706 ratr_value &= 0x0000000F;
1707 break;
1708 case IEEE_G:
1709 ratr_value &= 0x00000FF7;
1710 break;
1711 case IEEE_N_24G:
1712 case IEEE_N_5G:
1713 if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
1714 ratr_value &= 0x0007F007;
1715 else{
1716 if (priv->rf_type == RF_1T2R)
1717 ratr_value &= 0x000FF007;
1718 else
1719 ratr_value &= 0x0F81F007;
1720 }
1721 break;
1722 default:
1723 break;
1724 }
1725 ratr_value &= 0x0FFFFFFF;
1726 if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
1727 ratr_value |= 0x80000000;
1728 }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
1729 ratr_value |= 0x80000000;
1730 }
1731 write_nic_dword(priv, RATR0+rate_index*4, ratr_value);
1732 write_nic_byte(priv, UFWP, 1);
1733 }
1734
1735 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
1736 {
1737 struct r8192_priv *priv = ieee80211_priv(dev);
1738 struct ieee80211_device *ieee = priv->ieee80211;
1739
1740 return !(ieee->rtllib_ap_sec_type &&
1741 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP)));
1742 }
1743
1744 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
1745 {
1746 struct ieee80211_device* ieee = priv->ieee80211;
1747 //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1748 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
1749 {
1750 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
1751 }
1752 else
1753 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
1754 }
1755
1756 static u8 rtl8192_getSupportedWireleeMode(void)
1757 {
1758 return (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
1759 }
1760
1761 static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
1762 {
1763 struct r8192_priv *priv = ieee80211_priv(dev);
1764 u8 bSupportMode = rtl8192_getSupportedWireleeMode();
1765
1766 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
1767 {
1768 if(bSupportMode & WIRELESS_MODE_N_24G)
1769 {
1770 wireless_mode = WIRELESS_MODE_N_24G;
1771 }
1772 else if(bSupportMode & WIRELESS_MODE_N_5G)
1773 {
1774 wireless_mode = WIRELESS_MODE_N_5G;
1775 }
1776 else if((bSupportMode & WIRELESS_MODE_A))
1777 {
1778 wireless_mode = WIRELESS_MODE_A;
1779 }
1780 else if((bSupportMode & WIRELESS_MODE_G))
1781 {
1782 wireless_mode = WIRELESS_MODE_G;
1783 }
1784 else if((bSupportMode & WIRELESS_MODE_B))
1785 {
1786 wireless_mode = WIRELESS_MODE_B;
1787 }
1788 else{
1789 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
1790 wireless_mode = WIRELESS_MODE_B;
1791 }
1792 }
1793 priv->ieee80211->mode = wireless_mode;
1794
1795 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
1796 priv->ieee80211->pHTInfo->bEnableHT = 1;
1797 else
1798 priv->ieee80211->pHTInfo->bEnableHT = 0;
1799 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
1800 rtl8192_refresh_supportrate(priv);
1801 }
1802
1803 static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
1804 {
1805 struct r8192_priv* priv = ieee80211_priv(dev);
1806 struct ieee80211_device* ieee = priv->ieee80211;
1807
1808 return ieee->bHalfWirelessN24GMode;
1809 }
1810
1811 static short rtl8192_is_tx_queue_empty(struct net_device *dev)
1812 {
1813 int i=0;
1814 struct r8192_priv *priv = ieee80211_priv(dev);
1815 for (i=0; i<=MGNT_QUEUE; i++)
1816 {
1817 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
1818 continue;
1819 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
1820 printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
1821 return 0;
1822 }
1823 }
1824 return 1;
1825 }
1826
1827 static void rtl8192_hw_sleep_down(struct net_device *dev)
1828 {
1829 struct r8192_priv *priv = ieee80211_priv(dev);
1830 MgntActSet_RF_State(priv, eRfSleep, RF_CHANGE_BY_PS);
1831 }
1832
1833 static void rtl8192_hw_wakeup(struct net_device* dev)
1834 {
1835 struct r8192_priv *priv = ieee80211_priv(dev);
1836 MgntActSet_RF_State(priv, eRfOn, RF_CHANGE_BY_PS);
1837 }
1838
1839 static void rtl8192_hw_wakeup_wq (struct work_struct *work)
1840 {
1841 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
1842 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
1843 struct net_device *dev = ieee->dev;
1844 rtl8192_hw_wakeup(dev);
1845
1846 }
1847
1848 #define MIN_SLEEP_TIME 50
1849 #define MAX_SLEEP_TIME 10000
1850 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
1851 {
1852 struct r8192_priv *priv = ieee80211_priv(dev);
1853 u32 tmp;
1854 u32 rb = jiffies;
1855
1856 // Writing HW register with 0 equals to disable
1857 // the timer, that is not really what we want
1858 //
1859 tl -= MSECS(8+16+7);
1860
1861 // If the interval in witch we are requested to sleep is too
1862 // short then give up and remain awake
1863 // when we sleep after send null frame, the timer will be too short to sleep.
1864 //
1865 if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
1866 ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
1867 printk("too short to sleep::%x, %x, %lx\n",tl, rb, MSECS(MIN_SLEEP_TIME));
1868 return;
1869 }
1870
1871 if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
1872 ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
1873 ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
1874 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME));
1875 return;
1876 }
1877
1878 tmp = (tl>rb)?(tl-rb):(rb-tl);
1879 queue_delayed_work(priv->ieee80211->wq,
1880 &priv->ieee80211->hw_wakeup_wq,tmp);
1881
1882 rtl8192_hw_sleep_down(dev);
1883 }
1884
1885 static void rtl8192_init_priv_variable(struct r8192_priv *priv)
1886 {
1887 u8 i;
1888 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
1889
1890 // Default Halt the NIC if RF is OFF.
1891 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
1892 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
1893 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
1894 pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
1895 pPSC->bLeisurePs = true;
1896 priv->ieee80211->RegMaxLPSAwakeIntvl = 5;
1897 priv->bHwRadioOff = false;
1898
1899 priv->being_init_adapter = false;
1900 priv->txringcount = 64;//32;
1901 priv->rxbuffersize = 9100;//2048;//1024;
1902 priv->rxringcount = MAX_RX_COUNT;//64;
1903 priv->chan = 1; //set to channel 1
1904 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
1905 priv->RegChannelPlan = 0xf;
1906 priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
1907 priv->ieee80211->iw_mode = IW_MODE_INFRA;
1908 priv->ieee80211->ieee_up=0;
1909 priv->retry_rts = DEFAULT_RETRY_RTS;
1910 priv->retry_data = DEFAULT_RETRY_DATA;
1911 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
1912 priv->ieee80211->rate = 110; //11 mbps
1913 priv->ieee80211->short_slot = 1;
1914 priv->promisc = (priv->ieee80211->dev->flags & IFF_PROMISC) ? 1:0;
1915 priv->bcck_in_ch14 = false;
1916 priv->CCKPresentAttentuation = 0;
1917 priv->rfa_txpowertrackingindex = 0;
1918 priv->rfc_txpowertrackingindex = 0;
1919 priv->CckPwEnl = 6;
1920 //added by amy for silent reset
1921 priv->ResetProgress = RESET_TYPE_NORESET;
1922 priv->bForcedSilentReset = 0;
1923 priv->bDisableNormalResetCheck = false;
1924 priv->force_reset = false;
1925 //added by amy for power save
1926 priv->RfOffReason = 0;
1927 priv->bHwRfOffAction = 0;
1928 priv->PowerSaveControl.bInactivePs = true;
1929 priv->PowerSaveControl.bIPSModeBackup = false;
1930
1931 priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
1932 priv->ieee80211->iw_mode = IW_MODE_INFRA;
1933 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
1934 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
1935 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
1936 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE;
1937
1938 priv->ieee80211->active_scan = 1;
1939 priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
1940 priv->ieee80211->host_encrypt = 1;
1941 priv->ieee80211->host_decrypt = 1;
1942 priv->ieee80211->start_send_beacons = rtl8192_start_beacon;//+by david 081107
1943 priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;//+by david 081107
1944 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
1945 priv->ieee80211->set_chan = rtl8192_set_chan;
1946 priv->ieee80211->link_change = rtl8192_link_change;
1947 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
1948 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
1949 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
1950 priv->ieee80211->init_wmmparam_flag = 0;
1951 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
1952 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
1953 priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
1954 priv->ieee80211->qos_support = 1;
1955 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
1956 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
1957 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
1958
1959 priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
1960 priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
1961 priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
1962 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
1963 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
1964 priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
1965
1966 priv->ieee80211->InitialGainHandler = InitialGain819xPci;
1967
1968 #ifdef ENABLE_IPS
1969 priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
1970 priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
1971 #endif
1972 #ifdef ENABLE_LPS
1973 priv->ieee80211->LeisurePSLeave = LeisurePSLeave;
1974 #endif
1975
1976 priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
1977 priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
1978
1979 priv->ShortRetryLimit = 0x30;
1980 priv->LongRetryLimit = 0x30;
1981
1982 priv->ReceiveConfig = RCR_ADD3 |
1983 RCR_AMF | RCR_ADF | //accept management/data
1984 RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
1985 RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
1986 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
1987 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
1988
1989 priv->pFirmware = vzalloc(sizeof(rt_firmware));
1990
1991 /* rx related queue */
1992 skb_queue_head_init(&priv->skb_queue);
1993
1994 /* Tx related queue */
1995 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1996 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
1997 }
1998 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1999 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
2000 }
2001 priv->rf_set_chan = rtl8192_phy_SwChnl;
2002 }
2003
2004 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
2005 {
2006 spin_lock_init(&priv->irq_th_lock);
2007 spin_lock_init(&priv->rf_ps_lock);
2008 sema_init(&priv->wx_sem,1);
2009 sema_init(&priv->rf_sem,1);
2010 mutex_init(&priv->mutex);
2011 }
2012
2013 /* init tasklet and wait_queue here */
2014 #define DRV_NAME "wlan0"
2015 static void rtl8192_init_priv_task(struct r8192_priv *priv)
2016 {
2017 priv->priv_wq = create_workqueue(DRV_NAME);
2018
2019 #ifdef ENABLE_IPS
2020 INIT_WORK(&priv->ieee80211->ips_leave_wq, IPSLeave_wq);
2021 #endif
2022
2023 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2024 INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2025 INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
2026 INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
2027 INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2028 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2029 INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, rtl8192_hw_wakeup_wq);
2030
2031 tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet,
2032 (unsigned long) priv);
2033 tasklet_init(&priv->irq_tx_tasklet, rtl8192_irq_tx_tasklet,
2034 (unsigned long) priv);
2035 tasklet_init(&priv->irq_prepare_beacon_tasklet, rtl8192_prepare_beacon,
2036 (unsigned long) priv);
2037 }
2038
2039 static void rtl8192_get_eeprom_size(struct r8192_priv *priv)
2040 {
2041 u16 curCR = 0;
2042 RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2043 curCR = read_nic_dword(priv, EPROM_CMD);
2044 RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2045 //whether need I consider BIT5?
2046 priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2047 RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2048 }
2049
2050 /*
2051 * Adapter->EEPROMAddressSize should be set before this function call.
2052 * EEPROM address size can be got through GetEEPROMSize8185()
2053 */
2054 static void rtl8192_read_eeprom_info(struct r8192_priv *priv)
2055 {
2056 struct net_device *dev = priv->ieee80211->dev;
2057 u8 tempval;
2058 u8 ICVer8192, ICVer8256;
2059 u16 i,usValue, IC_Version;
2060 u16 EEPROMId;
2061 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2062 RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2063
2064
2065 // TODO: I don't know if we need to apply EF function to EEPROM read function
2066
2067 //2 Read EEPROM ID to make sure autoload is success
2068 EEPROMId = eprom_read(priv, 0);
2069 if( EEPROMId != RTL8190_EEPROM_ID )
2070 {
2071 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2072 priv->AutoloadFailFlag=true;
2073 }
2074 else
2075 {
2076 priv->AutoloadFailFlag=false;
2077 }
2078
2079 //
2080 // Assign Chip Version ID
2081 //
2082 // Read IC Version && Channel Plan
2083 if(!priv->AutoloadFailFlag)
2084 {
2085 // VID, PID
2086 priv->eeprom_vid = eprom_read(priv, (EEPROM_VID >> 1));
2087 priv->eeprom_did = eprom_read(priv, (EEPROM_DID >> 1));
2088
2089 usValue = eprom_read(priv, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2090 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2091 usValue = eprom_read(priv, (EEPROM_ICVersion_ChannelPlan>>1));
2092 priv->eeprom_ChannelPlan = usValue&0xff;
2093 IC_Version = ((usValue&0xff00)>>8);
2094
2095 ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2096 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2097 RT_TRACE(COMP_INIT, "ICVer8192 = 0x%x\n", ICVer8192);
2098 RT_TRACE(COMP_INIT, "ICVer8256 = 0x%x\n", ICVer8256);
2099 if(ICVer8192 == 0x2) //B-cut
2100 {
2101 if(ICVer8256 == 0x5) //E-cut
2102 priv->card_8192_version= VERSION_8190_BE;
2103 }
2104
2105 switch(priv->card_8192_version)
2106 {
2107 case VERSION_8190_BD:
2108 case VERSION_8190_BE:
2109 break;
2110 default:
2111 priv->card_8192_version = VERSION_8190_BD;
2112 break;
2113 }
2114 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2115 }
2116 else
2117 {
2118 priv->card_8192_version = VERSION_8190_BD;
2119 priv->eeprom_vid = 0;
2120 priv->eeprom_did = 0;
2121 priv->eeprom_CustomerID = 0;
2122 priv->eeprom_ChannelPlan = 0;
2123 RT_TRACE(COMP_INIT, "IC Version = 0x%x\n", 0xff);
2124 }
2125
2126 RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2127 RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2128 RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2129
2130 //2 Read Permanent MAC address
2131 if(!priv->AutoloadFailFlag)
2132 {
2133 for(i = 0; i < 6; i += 2)
2134 {
2135 usValue = eprom_read(priv, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2136 *(u16*)(&dev->dev_addr[i]) = usValue;
2137 }
2138 } else {
2139 // when auto load failed, the last address byte set to be a random one.
2140 // added by david woo.2007/11/7
2141 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2142 }
2143
2144 RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
2145
2146 //2 TX Power Check EEPROM Fail or not
2147 if(priv->card_8192_version > VERSION_8190_BD) {
2148 priv->bTXPowerDataReadFromEEPORM = true;
2149 } else {
2150 priv->bTXPowerDataReadFromEEPORM = false;
2151 }
2152
2153 // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2154 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2155
2156 if(priv->card_8192_version > VERSION_8190_BD)
2157 {
2158 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2159 if(!priv->AutoloadFailFlag)
2160 {
2161 tempval = (eprom_read(priv, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2162 priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0]
2163
2164 if (tempval&0x80) //RF-indication, bit[7]
2165 priv->rf_type = RF_1T2R;
2166 else
2167 priv->rf_type = RF_2T4R;
2168 }
2169 else
2170 {
2171 priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2172 }
2173 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2174 priv->EEPROMLegacyHTTxPowerDiff);
2175
2176 // Read ThermalMeter from EEPROM
2177 if(!priv->AutoloadFailFlag)
2178 {
2179 priv->EEPROMThermalMeter = (u8)(((eprom_read(priv, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2180 }
2181 else
2182 {
2183 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2184 }
2185 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2186 //vivi, for tx power track
2187 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2188
2189 if(priv->epromtype == EPROM_93c46)
2190 {
2191 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2192 if(!priv->AutoloadFailFlag)
2193 {
2194 usValue = eprom_read(priv, (EEPROM_TxPwDiff_CrystalCap>>1));
2195 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2196 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2197 }
2198 else
2199 {
2200 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2201 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2202 }
2203 RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2204 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2205
2206 //
2207 // Get per-channel Tx Power Level
2208 //
2209 for(i=0; i<14; i+=2)
2210 {
2211 if(!priv->AutoloadFailFlag)
2212 {
2213 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2214 }
2215 else
2216 {
2217 usValue = EEPROM_Default_TxPower;
2218 }
2219 *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2220 RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2221 RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2222 }
2223 for(i=0; i<14; i+=2)
2224 {
2225 if(!priv->AutoloadFailFlag)
2226 {
2227 usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2228 }
2229 else
2230 {
2231 usValue = EEPROM_Default_TxPower;
2232 }
2233 *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2234 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2235 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2236 }
2237 }
2238
2239 //
2240 // Update HAL variables.
2241 //
2242 if(priv->epromtype == EPROM_93c46)
2243 {
2244 for(i=0; i<14; i++)
2245 {
2246 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2247 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
2248 }
2249 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2250 // Antenna B gain offset to antenna A, bit0~3
2251 priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
2252 // Antenna C gain offset to antenna A, bit4~7
2253 priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
2254 // Antenna D gain offset to antenna A, bit8~11
2255 priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
2256 // CrystalCap, bit12~15
2257 priv->CrystalCap = priv->EEPROMCrystalCap;
2258 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2259 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2260 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2261 }
2262 else if(priv->epromtype == EPROM_93c56)
2263 {
2264 for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level.
2265 {
2266 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0];
2267 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
2268 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0];
2269 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
2270 }
2271 for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level
2272 {
2273 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1];
2274 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
2275 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1];
2276 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
2277 }
2278 for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level
2279 {
2280 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2];
2281 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
2282 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2];
2283 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
2284 }
2285 for(i=0; i<14; i++)
2286 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
2287 for(i=0; i<14; i++)
2288 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
2289 for(i=0; i<14; i++)
2290 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
2291 for(i=0; i<14; i++)
2292 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
2293 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
2294 priv->AntennaTxPwDiff[0] = 0;
2295 priv->AntennaTxPwDiff[1] = 0;
2296 priv->AntennaTxPwDiff[2] = 0;
2297 priv->CrystalCap = priv->EEPROMCrystalCap;
2298 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2299 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
2300 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
2301 }
2302 }
2303
2304 if(priv->rf_type == RF_1T2R)
2305 {
2306 RT_TRACE(COMP_INIT, "1T2R config\n");
2307 }
2308 else if (priv->rf_type == RF_2T4R)
2309 {
2310 RT_TRACE(COMP_INIT, "2T4R config\n");
2311 }
2312
2313 // 2008/01/16 MH We can only know RF type in the function. So we have to init
2314 // DIG RATR table again.
2315 init_rate_adaptive(dev);
2316
2317 //1 Make a copy for following variables and we can change them if we want
2318
2319 if(priv->RegChannelPlan == 0xf)
2320 {
2321 priv->ChannelPlan = priv->eeprom_ChannelPlan;
2322 }
2323 else
2324 {
2325 priv->ChannelPlan = priv->RegChannelPlan;
2326 }
2327
2328 //
2329 // Used PID and DID to Set CustomerID
2330 //
2331 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 )
2332 {
2333 priv->CustomerID = RT_CID_DLINK;
2334 }
2335
2336 switch(priv->eeprom_CustomerID)
2337 {
2338 case EEPROM_CID_DEFAULT:
2339 priv->CustomerID = RT_CID_DEFAULT;
2340 break;
2341 case EEPROM_CID_CAMEO:
2342 priv->CustomerID = RT_CID_819x_CAMEO;
2343 break;
2344 case EEPROM_CID_RUNTOP:
2345 priv->CustomerID = RT_CID_819x_RUNTOP;
2346 break;
2347 case EEPROM_CID_NetCore:
2348 priv->CustomerID = RT_CID_819x_Netcore;
2349 break;
2350 case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31
2351 priv->CustomerID = RT_CID_TOSHIBA;
2352 if(priv->eeprom_ChannelPlan&0x80)
2353 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
2354 else
2355 priv->ChannelPlan = 0x0;
2356 RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
2357 priv->ChannelPlan);
2358 break;
2359 case EEPROM_CID_Nettronix:
2360 priv->CustomerID = RT_CID_Nettronix;
2361 break;
2362 case EEPROM_CID_Pronet:
2363 priv->CustomerID = RT_CID_PRONET;
2364 break;
2365 case EEPROM_CID_DLINK:
2366 priv->CustomerID = RT_CID_DLINK;
2367 break;
2368
2369 case EEPROM_CID_WHQL:
2370 break;
2371 default:
2372 // value from RegCustomerID
2373 break;
2374 }
2375
2376 //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2377 if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
2378 priv->ChannelPlan = 0; //FCC
2379
2380 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304)
2381 priv->ieee80211->bSupportRemoteWakeUp = true;
2382 else
2383 priv->ieee80211->bSupportRemoteWakeUp = false;
2384
2385
2386 RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
2387 RT_TRACE(COMP_INIT, "ChannelPlan = %d\n", priv->ChannelPlan);
2388 RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
2389 }
2390
2391
2392 static short rtl8192_get_channel_map(struct r8192_priv *priv)
2393 {
2394 #ifdef ENABLE_DOT11D
2395 if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
2396 printk("rtl8180_init:Error channel plan! Set to default.\n");
2397 priv->ChannelPlan= 0;
2398 }
2399 RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
2400
2401 rtl819x_set_channel_map(priv->ChannelPlan, priv);
2402 #else
2403 int ch,i;
2404 //Set Default Channel Plan
2405 if(!channels){
2406 DMESG("No channels, aborting");
2407 return -1;
2408 }
2409 ch=channels;
2410 priv->ChannelPlan= 0;//hikaru
2411 // set channels 1..14 allowed in given locale
2412 for (i=1; i<=14; i++) {
2413 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
2414 ch >>= 1;
2415 }
2416 #endif
2417 return 0;
2418 }
2419
2420 static short rtl8192_init(struct net_device *dev)
2421 {
2422 struct r8192_priv *priv = ieee80211_priv(dev);
2423 memset(&(priv->stats),0,sizeof(struct Stats));
2424 rtl8192_init_priv_variable(priv);
2425 rtl8192_init_priv_lock(priv);
2426 rtl8192_init_priv_task(priv);
2427 rtl8192_get_eeprom_size(priv);
2428 rtl8192_read_eeprom_info(priv);
2429 rtl8192_get_channel_map(priv);
2430 init_hal_dm(dev);
2431 init_timer(&priv->watch_dog_timer);
2432 priv->watch_dog_timer.data = (unsigned long)dev;
2433 priv->watch_dog_timer.function = watch_dog_timer_callback;
2434 if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, dev)) {
2435 printk("Error allocating IRQ %d",dev->irq);
2436 return -1;
2437 }else{
2438 priv->irq=dev->irq;
2439 printk("IRQ %d",dev->irq);
2440 }
2441 if (rtl8192_pci_initdescring(priv) != 0){
2442 printk("Endopoints initialization failed");
2443 return -1;
2444 }
2445
2446 return 0;
2447 }
2448
2449 /*
2450 * Actually only set RRSR, RATR and BW_OPMODE registers
2451 * not to do all the hw config as its name says
2452 * This part need to modified according to the rate set we filtered
2453 */
2454 static void rtl8192_hwconfig(struct r8192_priv *priv)
2455 {
2456 u32 regRATR = 0, regRRSR = 0;
2457 u8 regBwOpMode = 0, regTmp = 0;
2458
2459 // Set RRSR, RATR, and BW_OPMODE registers
2460 //
2461 switch (priv->ieee80211->mode)
2462 {
2463 case WIRELESS_MODE_B:
2464 regBwOpMode = BW_OPMODE_20MHZ;
2465 regRATR = RATE_ALL_CCK;
2466 regRRSR = RATE_ALL_CCK;
2467 break;
2468 case WIRELESS_MODE_A:
2469 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
2470 regRATR = RATE_ALL_OFDM_AG;
2471 regRRSR = RATE_ALL_OFDM_AG;
2472 break;
2473 case WIRELESS_MODE_G:
2474 regBwOpMode = BW_OPMODE_20MHZ;
2475 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2476 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2477 break;
2478 case WIRELESS_MODE_AUTO:
2479 case WIRELESS_MODE_N_24G:
2480 // It support CCK rate by default.
2481 // CCK rate will be filtered out only when associated AP does not support it.
2482 regBwOpMode = BW_OPMODE_20MHZ;
2483 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2484 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
2485 break;
2486 case WIRELESS_MODE_N_5G:
2487 regBwOpMode = BW_OPMODE_5G;
2488 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
2489 regRRSR = RATE_ALL_OFDM_AG;
2490 break;
2491 }
2492
2493 write_nic_byte(priv, BW_OPMODE, regBwOpMode);
2494 {
2495 u32 ratr_value = 0;
2496 ratr_value = regRATR;
2497 if (priv->rf_type == RF_1T2R)
2498 {
2499 ratr_value &= ~(RATE_ALL_OFDM_2SS);
2500 }
2501 write_nic_dword(priv, RATR0, ratr_value);
2502 write_nic_byte(priv, UFWP, 1);
2503 }
2504 regTmp = read_nic_byte(priv, 0x313);
2505 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
2506 write_nic_dword(priv, RRSR, regRRSR);
2507
2508 //
2509 // Set Retry Limit here
2510 //
2511 write_nic_word(priv, RETRY_LIMIT,
2512 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT |
2513 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
2514 // Set Contention Window here
2515
2516 // Set Tx AGC
2517
2518 // Set Tx Antenna including Feedback control
2519
2520 // Set Auto Rate fallback control
2521
2522
2523 }
2524
2525
2526 static RT_STATUS rtl8192_adapter_start(struct r8192_priv *priv)
2527 {
2528 struct net_device *dev = priv->ieee80211->dev;
2529 u32 ulRegRead;
2530 RT_STATUS rtStatus = RT_STATUS_SUCCESS;
2531 u8 tmpvalue;
2532 u8 ICVersion,SwitchingRegulatorOutput;
2533 bool bfirmwareok = true;
2534 u32 tmpRegA, tmpRegC, TempCCk;
2535 int i =0;
2536
2537 RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
2538 priv->being_init_adapter = true;
2539 rtl8192_pci_resetdescring(priv);
2540 // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2541 priv->Rf_Mode = RF_OP_By_SW_3wire;
2542
2543 //dPLL on
2544 if(priv->ResetProgress == RESET_TYPE_NORESET)
2545 {
2546 write_nic_byte(priv, ANAPAR, 0x37);
2547 // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
2548 // Joseph increae the time to prevent firmware download fail
2549 mdelay(500);
2550 }
2551
2552 //PlatformSleepUs(10000);
2553 // For any kind of InitializeAdapter process, we shall use system now!!
2554 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
2555
2556 //
2557 //3 //Config CPUReset Register
2558 //3//
2559 //3 Firmware Reset Or Not
2560 ulRegRead = read_nic_dword(priv, CPU_GEN);
2561 if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
2562 { //called from MPInitialized. do nothing
2563 ulRegRead |= CPU_GEN_SYSTEM_RESET;
2564 }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
2565 ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset
2566 else
2567 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status);
2568
2569 write_nic_dword(priv, CPU_GEN, ulRegRead);
2570
2571 //3//
2572 //3 //Fix the issue of E-cut high temperature issue
2573 //3//
2574 // TODO: E cut only
2575 ICVersion = read_nic_byte(priv, IC_VERRSION);
2576 if(ICVersion >= 0x4) //E-cut only
2577 {
2578 // HW SD suggest that we should not wirte this register too often, so driver
2579 // should readback this register. This register will be modified only when
2580 // power on reset
2581 SwitchingRegulatorOutput = read_nic_byte(priv, SWREGULATOR);
2582 if(SwitchingRegulatorOutput != 0xb8)
2583 {
2584 write_nic_byte(priv, SWREGULATOR, 0xa8);
2585 mdelay(1);
2586 write_nic_byte(priv, SWREGULATOR, 0xb8);
2587 }
2588 }
2589
2590 //3//
2591 //3// Initialize BB before MAC
2592 //3//
2593 RT_TRACE(COMP_INIT, "BB Config Start!\n");
2594 rtStatus = rtl8192_BBConfig(priv);
2595 if(rtStatus != RT_STATUS_SUCCESS)
2596 {
2597 RT_TRACE(COMP_ERR, "BB Config failed\n");
2598 return rtStatus;
2599 }
2600 RT_TRACE(COMP_INIT,"BB Config Finished!\n");
2601
2602 //3//Set Loopback mode or Normal mode
2603 //3//
2604 //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
2605 // because setting of System_Reset bit reset MAC to default transmission mode.
2606 //Loopback mode or not
2607 priv->LoopbackMode = RTL819X_NO_LOOPBACK;
2608 if(priv->ResetProgress == RESET_TYPE_NORESET)
2609 {
2610 ulRegRead = read_nic_dword(priv, CPU_GEN);
2611 if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
2612 {
2613 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
2614 }
2615 else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
2616 {
2617 ulRegRead |= CPU_CCK_LOOPBACK;
2618 }
2619 else
2620 {
2621 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
2622 }
2623
2624 //2008.06.03, for WOL
2625 //ulRegRead &= (~(CPU_GEN_GPIO_UART));
2626 write_nic_dword(priv, CPU_GEN, ulRegRead);
2627
2628 // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
2629 udelay(500);
2630 }
2631 //3Set Hardware(Do nothing now)
2632 rtl8192_hwconfig(priv);
2633 //2=======================================================
2634 // Common Setting for all of the FPGA platform. (part 1)
2635 //2=======================================================
2636 // If there is changes, please make sure it applies to all of the FPGA version
2637 //3 Turn on Tx/Rx
2638 write_nic_byte(priv, CMDR, CR_RE|CR_TE);
2639
2640 //2Set Tx dma burst
2641 write_nic_byte(priv, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |
2642 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
2643
2644 //set IDR0 here
2645 write_nic_dword(priv, MAC0, ((u32*)dev->dev_addr)[0]);
2646 write_nic_word(priv, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
2647 //set RCR
2648 write_nic_dword(priv, RCR, priv->ReceiveConfig);
2649
2650 //3 Initialize Number of Reserved Pages in Firmware Queue
2651 write_nic_dword(priv, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |
2652 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT |
2653 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT |
2654 NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
2655 write_nic_dword(priv, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
2656 write_nic_dword(priv, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW|
2657 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|
2658 NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
2659
2660 rtl8192_tx_enable(priv);
2661 rtl8192_rx_enable(priv);
2662 //3Set Response Rate Setting Register
2663 // CCK rate is supported by default.
2664 // CCK rate will be filtered out only when associated AP does not support it.
2665 ulRegRead = (0xFFF00000 & read_nic_dword(priv, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
2666 write_nic_dword(priv, RRSR, ulRegRead);
2667 write_nic_dword(priv, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
2668
2669 //2Set AckTimeout
2670 // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
2671 write_nic_byte(priv, ACK_TIMEOUT, 0x30);
2672
2673 if(priv->ResetProgress == RESET_TYPE_NORESET)
2674 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
2675 //-----------------------------------------------------------------------------
2676 // Set up security related. 070106, by rcnjko:
2677 // 1. Clear all H/W keys.
2678 // 2. Enable H/W encryption/decryption.
2679 //-----------------------------------------------------------------------------
2680 CamResetAllEntry(priv);
2681 {
2682 u8 SECR_value = 0x0;
2683 SECR_value |= SCR_TxEncEnable;
2684 SECR_value |= SCR_RxDecEnable;
2685 SECR_value |= SCR_NoSKMC;
2686 write_nic_byte(priv, SECR, SECR_value);
2687 }
2688 //3Beacon related
2689 write_nic_word(priv, ATIMWND, 2);
2690 write_nic_word(priv, BCN_INTERVAL, 100);
2691 for (i=0; i<QOS_QUEUE_NUM; i++)
2692 write_nic_dword(priv, WDCAPARA_ADD[i], 0x005e4332);
2693 //
2694 // Switching regulator controller: This is set temporarily.
2695 // It's not sure if this can be removed in the future.
2696 // PJ advised to leave it by default.
2697 //
2698 write_nic_byte(priv, 0xbe, 0xc0);
2699
2700 //2=======================================================
2701 // Set PHY related configuration defined in MAC register bank
2702 //2=======================================================
2703 rtl8192_phy_configmac(priv);
2704
2705 if (priv->card_8192_version > (u8) VERSION_8190_BD) {
2706 rtl8192_phy_getTxPower(priv);
2707 rtl8192_phy_setTxPower(priv, priv->chan);
2708 }
2709
2710 //if D or C cut
2711 tmpvalue = read_nic_byte(priv, IC_VERRSION);
2712 priv->IC_Cut = tmpvalue;
2713 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
2714 if(priv->IC_Cut >= IC_VersionCut_D)
2715 {
2716 //pHalData->bDcut = TRUE;
2717 if(priv->IC_Cut == IC_VersionCut_D)
2718 RT_TRACE(COMP_INIT, "D-cut\n");
2719 if(priv->IC_Cut == IC_VersionCut_E)
2720 {
2721 RT_TRACE(COMP_INIT, "E-cut\n");
2722 // HW SD suggest that we should not wirte this register too often, so driver
2723 // should readback this register. This register will be modified only when
2724 // power on reset
2725 }
2726 }
2727 else
2728 {
2729 //pHalData->bDcut = FALSE;
2730 RT_TRACE(COMP_INIT, "Before C-cut\n");
2731 }
2732
2733 //Firmware download
2734 RT_TRACE(COMP_INIT, "Load Firmware!\n");
2735 bfirmwareok = init_firmware(dev);
2736 if(bfirmwareok != true) {
2737 rtStatus = RT_STATUS_FAILURE;
2738 return rtStatus;
2739 }
2740 RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
2741
2742 //RF config
2743 if(priv->ResetProgress == RESET_TYPE_NORESET)
2744 {
2745 RT_TRACE(COMP_INIT, "RF Config Started!\n");
2746 rtStatus = rtl8192_phy_RFConfig(priv);
2747 if(rtStatus != RT_STATUS_SUCCESS)
2748 {
2749 RT_TRACE(COMP_ERR, "RF Config failed\n");
2750 return rtStatus;
2751 }
2752 RT_TRACE(COMP_INIT, "RF Config Finished!\n");
2753 }
2754 rtl8192_phy_updateInitGain(priv);
2755
2756 /*---- Set CCK and OFDM Block "ON"----*/
2757 rtl8192_setBBreg(priv, rFPGA0_RFMOD, bCCKEn, 0x1);
2758 rtl8192_setBBreg(priv, rFPGA0_RFMOD, bOFDMEn, 0x1);
2759
2760 //Enable Led
2761 write_nic_byte(priv, 0x87, 0x0);
2762
2763 //2=======================================================
2764 // RF Power Save
2765 //2=======================================================
2766 #ifdef ENABLE_IPS
2767
2768 {
2769 if(priv->RfOffReason > RF_CHANGE_BY_PS)
2770 { // H/W or S/W RF OFF before sleep.
2771 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__,priv->RfOffReason);
2772 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2773 }
2774 else if(priv->RfOffReason >= RF_CHANGE_BY_IPS)
2775 { // H/W or S/W RF OFF before sleep.
2776 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__, priv->RfOffReason);
2777 MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason);
2778 }
2779 else
2780 {
2781 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
2782 priv->eRFPowerState = eRfOn;
2783 priv->RfOffReason = 0;
2784 }
2785 }
2786 #endif
2787 // We can force firmware to do RF-R/W
2788 if(priv->ieee80211->FwRWRF)
2789 priv->Rf_Mode = RF_OP_By_FW;
2790 else
2791 priv->Rf_Mode = RF_OP_By_SW_3wire;
2792
2793 if(priv->ResetProgress == RESET_TYPE_NORESET)
2794 {
2795 dm_initialize_txpower_tracking(priv);
2796
2797 if(priv->IC_Cut >= IC_VersionCut_D)
2798 {
2799 tmpRegA = rtl8192_QueryBBReg(priv, rOFDM0_XATxIQImbalance, bMaskDWord);
2800 tmpRegC = rtl8192_QueryBBReg(priv, rOFDM0_XCTxIQImbalance, bMaskDWord);
2801 for(i = 0; i<TxBBGainTableLength; i++)
2802 {
2803 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
2804 {
2805 priv->rfa_txpowertrackingindex= (u8)i;
2806 priv->rfa_txpowertrackingindex_real= (u8)i;
2807 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
2808 break;
2809 }
2810 }
2811
2812 TempCCk = rtl8192_QueryBBReg(priv, rCCK0_TxFilter1, bMaskByte2);
2813
2814 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
2815 {
2816 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
2817 {
2818 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
2819 break;
2820 }
2821 }
2822 priv->CCKPresentAttentuation_40Mdefault = 0;
2823 priv->CCKPresentAttentuation_difference = 0;
2824 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
2825 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
2826 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
2827 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
2828 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
2829 priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
2830 }
2831 }
2832
2833 rtl8192_irq_enable(priv);
2834 priv->being_init_adapter = false;
2835 return rtStatus;
2836
2837 }
2838
2839 static void rtl8192_prepare_beacon(unsigned long arg)
2840 {
2841 struct r8192_priv *priv = (struct r8192_priv*) arg;
2842 struct sk_buff *skb;
2843 cb_desc *tcb_desc;
2844
2845 skb = ieee80211_get_beacon(priv->ieee80211);
2846 tcb_desc = (cb_desc *)(skb->cb + 8);
2847 /* prepare misc info for the beacon xmit */
2848 tcb_desc->queue_index = BEACON_QUEUE;
2849 /* IBSS does not support HT yet, use 1M defaultly */
2850 tcb_desc->data_rate = 2;
2851 tcb_desc->RATRIndex = 7;
2852 tcb_desc->bTxDisableRateFallBack = 1;
2853 tcb_desc->bTxUseDriverAssingedRate = 1;
2854
2855 skb_push(skb, priv->ieee80211->tx_headroom);
2856 if(skb){
2857 rtl8192_tx(priv, skb);
2858 }
2859 }
2860
2861
2862 /*
2863 * configure registers for beacon tx and enables it via
2864 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
2865 * be used to stop beacon transmission
2866 */
2867 static void rtl8192_start_beacon(struct net_device *dev)
2868 {
2869 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
2870 struct ieee80211_network *net = &priv->ieee80211->current_network;
2871 u16 BcnTimeCfg = 0;
2872 u16 BcnCW = 6;
2873 u16 BcnIFS = 0xf;
2874
2875 DMESG("Enabling beacon TX");
2876 rtl8192_irq_disable(priv);
2877 //rtl8192_beacon_tx_enable(dev);
2878
2879 /* ATIM window */
2880 write_nic_word(priv, ATIMWND, 2);
2881
2882 /* Beacon interval (in unit of TU) */
2883 write_nic_word(priv, BCN_INTERVAL, net->beacon_interval);
2884
2885 /*
2886 * DrvErlyInt (in unit of TU).
2887 * (Time to send interrupt to notify driver to c
2888 * hange beacon content)
2889 * */
2890 write_nic_word(priv, BCN_DRV_EARLY_INT, 10);
2891
2892 /*
2893 * BcnDMATIM(in unit of us).
2894 * Indicates the time before TBTT to perform beacon queue DMA
2895 * */
2896 write_nic_word(priv, BCN_DMATIME, 256);
2897
2898 /*
2899 * Force beacon frame transmission even after receiving
2900 * beacon frame from other ad hoc STA
2901 * */
2902 write_nic_byte(priv, BCN_ERR_THRESH, 100);
2903
2904 /* Set CW and IFS */
2905 BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
2906 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
2907 write_nic_word(priv, BCN_TCFG, BcnTimeCfg);
2908
2909
2910 /* enable the interrupt for ad-hoc process */
2911 rtl8192_irq_enable(priv);
2912 }
2913
2914 static bool HalRxCheckStuck8190Pci(struct r8192_priv *priv)
2915 {
2916 u16 RegRxCounter = read_nic_word(priv, 0x130);
2917 bool bStuck = FALSE;
2918
2919 RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
2920 // If rssi is small, we should check rx for long time because of bad rx.
2921 // or maybe it will continuous silent reset every 2 seconds.
2922 priv->rx_chk_cnt++;
2923 if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
2924 {
2925 priv->rx_chk_cnt = 0; /* high rssi, check rx stuck right now. */
2926 }
2927 else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
2928 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
2929 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
2930
2931 {
2932 if(priv->rx_chk_cnt < 2)
2933 {
2934 return bStuck;
2935 }
2936 else
2937 {
2938 priv->rx_chk_cnt = 0;
2939 }
2940 }
2941 else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
2942 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
2943 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
2944 {
2945 if(priv->rx_chk_cnt < 4)
2946 {
2947 return bStuck;
2948 }
2949 else
2950 {
2951 priv->rx_chk_cnt = 0;
2952 }
2953 }
2954 else
2955 {
2956 if(priv->rx_chk_cnt < 8)
2957 {
2958 return bStuck;
2959 }
2960 else
2961 {
2962 priv->rx_chk_cnt = 0;
2963 }
2964 }
2965 if(priv->RxCounter==RegRxCounter)
2966 bStuck = TRUE;
2967
2968 priv->RxCounter = RegRxCounter;
2969
2970 return bStuck;
2971 }
2972
2973 static RESET_TYPE RxCheckStuck(struct r8192_priv *priv)
2974 {
2975
2976 if(HalRxCheckStuck8190Pci(priv))
2977 {
2978 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
2979 return RESET_TYPE_SILENT;
2980 }
2981
2982 return RESET_TYPE_NORESET;
2983 }
2984
2985 static RESET_TYPE
2986 rtl819x_ifcheck_resetornot(struct r8192_priv *priv)
2987 {
2988 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
2989 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
2990 RT_RF_POWER_STATE rfState;
2991
2992 rfState = priv->eRFPowerState;
2993
2994 if( rfState != eRfOff &&
2995 /*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/
2996 (priv->ieee80211->iw_mode != IW_MODE_ADHOC))
2997 {
2998 // If driver is in the status of firmware download failure , driver skips RF initialization and RF is
2999 // in turned off state. Driver should check whether Rx stuck and do silent reset. And
3000 // if driver is in firmware download failure status, driver should initialize RF in the following
3001 // silent reset procedure Emily, 2008.01.21
3002
3003 // Driver should not check RX stuck in IBSS mode because it is required to
3004 // set Check BSSID in order to send beacon, however, if check BSSID is
3005 // set, STA cannot hear any packet a all. Emily, 2008.04.12
3006 RxResetType = RxCheckStuck(priv);
3007 }
3008
3009 RT_TRACE(COMP_RESET,"%s(): TxResetType is %d, RxResetType is %d\n",__FUNCTION__,TxResetType,RxResetType);
3010 if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL)
3011 return RESET_TYPE_NORMAL;
3012 else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT)
3013 return RESET_TYPE_SILENT;
3014 else
3015 return RESET_TYPE_NORESET;
3016
3017 }
3018
3019 #ifdef ENABLE_IPS
3020 static void InactivePsWorkItemCallback(struct r8192_priv *priv)
3021 {
3022 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3023
3024 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() --------->\n");
3025 //
3026 // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
3027 // is really scheduled.
3028 // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3029 // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3030 // blocks the IPS procedure of switching RF.
3031 // By Bruce, 2007-12-25.
3032 //
3033 pPSC->bSwRfProcessing = TRUE;
3034
3035 RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3036 pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
3037
3038
3039 MgntActSet_RF_State(priv, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
3040
3041 //
3042 // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3043 //
3044 pPSC->bSwRfProcessing = FALSE;
3045 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <---------\n");
3046 }
3047
3048 #ifdef ENABLE_LPS
3049 /* Change current and default preamble mode. */
3050 bool MgntActSet_802_11_PowerSaveMode(struct net_device *dev, u8 rtPsMode)
3051 {
3052 struct r8192_priv *priv = ieee80211_priv(dev);
3053
3054 // Currently, we do not change power save mode on IBSS mode.
3055 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
3056 {
3057 return false;
3058 }
3059
3060 //
3061 // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3062 // some AP will not response to our mgnt frames with PwrMgt bit set,
3063 // e.g. cannot associate the AP.
3064 // So I commented out it. 2005.02.16, by rcnjko.
3065 //
3066 // // Change device's power save mode.
3067 // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3068
3069 // Update power save mode configured.
3070 //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3071 if(!priv->ps_force) {
3072 priv->ieee80211->ps = rtPsMode;
3073 }
3074
3075 // Awake immediately
3076 if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
3077 {
3078 // Notify the AP we awke.
3079 rtl8192_hw_wakeup(dev);
3080 priv->ieee80211->sta_sleep = 0;
3081
3082 spin_lock(&priv->ieee80211->mgmt_tx_lock);
3083 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3084 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
3085 spin_unlock(&priv->ieee80211->mgmt_tx_lock);
3086 }
3087
3088 return true;
3089 }
3090
3091 /* Enter the leisure power save mode. */
3092 void LeisurePSEnter(struct net_device *dev)
3093 {
3094 struct r8192_priv *priv = ieee80211_priv(dev);
3095 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3096
3097 if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
3098 (priv->ieee80211->state == IEEE80211_LINKED)) ||
3099 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
3100 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
3101 return;
3102
3103 if (pPSC->bLeisurePs)
3104 {
3105 // Idle for a while if we connect to AP a while ago.
3106 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) // 4 Sec
3107 {
3108
3109 if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
3110 {
3111 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
3112
3113 }
3114 }
3115 else
3116 pPSC->LpsIdleCount++;
3117 }
3118 }
3119
3120
3121 /* Leave leisure power save mode. */
3122 void LeisurePSLeave(struct net_device *dev)
3123 {
3124 struct r8192_priv *priv = ieee80211_priv(dev);
3125 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3126
3127 if (pPSC->bLeisurePs)
3128 {
3129 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
3130 {
3131 // move to lps_wakecomplete()
3132 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_DISABLED);
3133
3134 }
3135 }
3136 }
3137 #endif
3138
3139
3140 /* Enter the inactive power save mode. RF will be off */
3141 void
3142 IPSEnter(struct net_device *dev)
3143 {
3144 struct r8192_priv *priv = ieee80211_priv(dev);
3145 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3146 RT_RF_POWER_STATE rtState;
3147
3148 if (pPSC->bInactivePs)
3149 {
3150 rtState = priv->eRFPowerState;
3151 //
3152 // Added by Bruce, 2007-12-25.
3153 // Do not enter IPS in the following conditions:
3154 // (1) RF is already OFF or Sleep
3155 // (2) bSwRfProcessing (indicates the IPS is still under going)
3156 // (3) Connectted (only disconnected can trigger IPS)
3157 // (4) IBSS (send Beacon)
3158 // (5) AP mode (send Beacon)
3159 //
3160 if (rtState == eRfOn && !pPSC->bSwRfProcessing
3161 && (priv->ieee80211->state != IEEE80211_LINKED) )
3162 {
3163 RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
3164 pPSC->eInactivePowerState = eRfOff;
3165 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
3166 InactivePsWorkItemCallback(priv);
3167 }
3168 }
3169 }
3170
3171 //
3172 // Description:
3173 // Leave the inactive power save mode, RF will be on.
3174 // 2007.08.17, by shien chang.
3175 //
3176 void
3177 IPSLeave(struct net_device *dev)
3178 {
3179 struct r8192_priv *priv = ieee80211_priv(dev);
3180 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
3181 RT_RF_POWER_STATE rtState;
3182
3183 if (pPSC->bInactivePs)
3184 {
3185 rtState = priv->eRFPowerState;
3186 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->RfOffReason <= RF_CHANGE_BY_IPS)
3187 {
3188 RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
3189 pPSC->eInactivePowerState = eRfOn;
3190 InactivePsWorkItemCallback(priv);
3191 }
3192 }
3193 }
3194
3195 void IPSLeave_wq(struct work_struct *work)
3196 {
3197 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ips_leave_wq);
3198 struct net_device *dev = ieee->dev;
3199
3200 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3201 down(&priv->ieee80211->ips_sem);
3202 IPSLeave(dev);
3203 up(&priv->ieee80211->ips_sem);
3204 }
3205
3206 void ieee80211_ips_leave_wq(struct net_device *dev)
3207 {
3208 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3209 RT_RF_POWER_STATE rtState;
3210 rtState = priv->eRFPowerState;
3211
3212 if (priv->PowerSaveControl.bInactivePs){
3213 if(rtState == eRfOff){
3214 if(priv->RfOffReason > RF_CHANGE_BY_IPS)
3215 {
3216 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
3217 return;
3218 }
3219 else{
3220 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
3221 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
3222 }
3223 }
3224 }
3225 }
3226 //added by amy 090331 end
3227 void ieee80211_ips_leave(struct net_device *dev)
3228 {
3229 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3230 down(&priv->ieee80211->ips_sem);
3231 IPSLeave(dev);
3232 up(&priv->ieee80211->ips_sem);
3233 }
3234 #endif
3235
3236 static void rtl819x_update_rxcounts(
3237 struct r8192_priv *priv,
3238 u32* TotalRxBcnNum,
3239 u32* TotalRxDataNum
3240 )
3241 {
3242 u16 SlotIndex;
3243 u8 i;
3244
3245 *TotalRxBcnNum = 0;
3246 *TotalRxDataNum = 0;
3247
3248 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
3249 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
3250 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
3251 for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
3252 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
3253 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
3254 }
3255 }
3256
3257
3258 static void rtl819x_watchdog_wqcallback(struct work_struct *work)
3259 {
3260 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
3261 struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
3262 struct net_device *dev = priv->ieee80211->dev;
3263 struct ieee80211_device* ieee = priv->ieee80211;
3264 RESET_TYPE ResetType = RESET_TYPE_NORESET;
3265 bool bBusyTraffic = false;
3266 bool bEnterPS = false;
3267
3268 if ((!priv->up) || priv->bHwRadioOff)
3269 return;
3270
3271 if(!priv->up)
3272 return;
3273 hal_dm_watchdog(dev);
3274 #ifdef ENABLE_IPS
3275 if(ieee->actscanning == false){
3276 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&
3277 (priv->eRFPowerState == eRfOn) && !ieee->is_set_key &&
3278 (!ieee->proto_stoppping) && !ieee->wx_set_enc){
3279 if (priv->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
3280 IPSEnter(dev);
3281 }
3282 }
3283 }
3284 #endif
3285 {//to get busy traffic condition
3286 if(ieee->state == IEEE80211_LINKED)
3287 {
3288 if( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
3289 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
3290 bBusyTraffic = true;
3291 }
3292
3293 #ifdef ENABLE_LPS
3294 //added by amy for Leisure PS
3295 if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
3296 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
3297 {
3298 bEnterPS= false;
3299 }
3300 else
3301 {
3302 bEnterPS= true;
3303 }
3304
3305 // LeisurePS only work in infra mode.
3306 if(bEnterPS)
3307 {
3308 LeisurePSEnter(dev);
3309 }
3310 else
3311 {
3312 LeisurePSLeave(dev);
3313 }
3314 #endif
3315
3316 }
3317 else
3318 {
3319 #ifdef ENABLE_LPS
3320 LeisurePSLeave(dev);
3321 #endif
3322 }
3323
3324 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3325 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3326 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
3327 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
3328 }
3329
3330
3331 //added by amy for AP roaming
3332 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
3333 {
3334 u32 TotalRxBcnNum = 0;
3335 u32 TotalRxDataNum = 0;
3336
3337 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
3338 if((TotalRxBcnNum+TotalRxDataNum) == 0)
3339 {
3340 if (priv->eRFPowerState == eRfOff)
3341 RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
3342 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
3343 // Dot11d_Reset(dev);
3344 ieee->state = IEEE80211_ASSOCIATING;
3345 notify_wx_assoc_event(priv->ieee80211);
3346 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
3347 ieee->is_roaming = true;
3348 ieee->is_set_key = false;
3349 ieee->link_change(dev);
3350 queue_work(ieee->wq, &ieee->associate_procedure_wq);
3351 }
3352 }
3353 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
3354 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
3355
3356 //check if reset the driver
3357 if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming &&
3358 priv->watchdog_last_time != 1)
3359 {
3360 ResetType = rtl819x_ifcheck_resetornot(priv);
3361 priv->watchdog_check_reset_cnt = 3;
3362 }
3363 if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
3364 {
3365 priv->ResetProgress = RESET_TYPE_NORMAL;
3366 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
3367 return;
3368 }
3369 /* disable silent reset temply 2008.9.11*/
3370
3371 if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
3372 {
3373 priv->watchdog_last_time = 1;
3374 }
3375 else
3376 priv->watchdog_last_time = 0;
3377
3378 priv->force_reset = false;
3379 priv->bForcedSilentReset = false;
3380 priv->bResetInProgress = false;
3381 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
3382
3383 }
3384
3385 void watch_dog_timer_callback(unsigned long data)
3386 {
3387 struct r8192_priv *priv = ieee80211_priv((struct net_device *) data);
3388 queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
3389 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
3390
3391 }
3392
3393 static int _rtl8192_up(struct r8192_priv *priv)
3394 {
3395 RT_STATUS init_status = RT_STATUS_SUCCESS;
3396 struct net_device *dev = priv->ieee80211->dev;
3397
3398 priv->up=1;
3399 priv->ieee80211->ieee_up=1;
3400 priv->bdisable_nic = false; //YJ,add,091111
3401 RT_TRACE(COMP_INIT, "Bringing up iface\n");
3402
3403 init_status = rtl8192_adapter_start(priv);
3404 if(init_status != RT_STATUS_SUCCESS)
3405 {
3406 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
3407 return -1;
3408 }
3409 RT_TRACE(COMP_INIT, "start adapter finished\n");
3410
3411 if (priv->eRFPowerState != eRfOn)
3412 MgntActSet_RF_State(priv, eRfOn, priv->RfOffReason);
3413
3414 if(priv->ieee80211->state != IEEE80211_LINKED)
3415 ieee80211_softmac_start_protocol(priv->ieee80211);
3416 ieee80211_reset_queue(priv->ieee80211);
3417 watch_dog_timer_callback((unsigned long) dev);
3418 if(!netif_queue_stopped(dev))
3419 netif_start_queue(dev);
3420 else
3421 netif_wake_queue(dev);
3422
3423 return 0;
3424 }
3425
3426
3427 static int rtl8192_open(struct net_device *dev)
3428 {
3429 struct r8192_priv *priv = ieee80211_priv(dev);
3430 int ret;
3431
3432 down(&priv->wx_sem);
3433 ret = rtl8192_up(dev);
3434 up(&priv->wx_sem);
3435 return ret;
3436
3437 }
3438
3439
3440 int rtl8192_up(struct net_device *dev)
3441 {
3442 struct r8192_priv *priv = ieee80211_priv(dev);
3443
3444 if (priv->up == 1) return -1;
3445
3446 return _rtl8192_up(priv);
3447 }
3448
3449
3450 static int rtl8192_close(struct net_device *dev)
3451 {
3452 struct r8192_priv *priv = ieee80211_priv(dev);
3453 int ret;
3454
3455 down(&priv->wx_sem);
3456
3457 ret = rtl8192_down(dev);
3458
3459 up(&priv->wx_sem);
3460
3461 return ret;
3462
3463 }
3464
3465 int rtl8192_down(struct net_device *dev)
3466 {
3467 struct r8192_priv *priv = ieee80211_priv(dev);
3468
3469 if (priv->up == 0) return -1;
3470
3471 #ifdef ENABLE_LPS
3472 //LZM for PS-Poll AID issue. 090429
3473 if(priv->ieee80211->state == IEEE80211_LINKED)
3474 LeisurePSLeave(dev);
3475 #endif
3476
3477 priv->up=0;
3478 priv->ieee80211->ieee_up = 0;
3479 RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
3480 /* FIXME */
3481 if (!netif_queue_stopped(dev))
3482 netif_stop_queue(dev);
3483
3484 rtl8192_irq_disable(priv);
3485 rtl8192_cancel_deferred_work(priv);
3486 deinit_hal_dm(dev);
3487 del_timer_sync(&priv->watch_dog_timer);
3488
3489 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3490
3491 rtl8192_halt_adapter(priv, false);
3492 memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
3493
3494 RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
3495
3496 return 0;
3497 }
3498
3499
3500 void rtl8192_commit(struct r8192_priv *priv)
3501 {
3502 if (priv->up == 0) return ;
3503
3504
3505 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
3506
3507 rtl8192_irq_disable(priv);
3508 rtl8192_halt_adapter(priv, true);
3509 _rtl8192_up(priv);
3510 }
3511
3512 static void rtl8192_restart(struct work_struct *work)
3513 {
3514 struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
3515
3516 down(&priv->wx_sem);
3517
3518 rtl8192_commit(priv);
3519
3520 up(&priv->wx_sem);
3521 }
3522
3523 static void r8192_set_multicast(struct net_device *dev)
3524 {
3525 struct r8192_priv *priv = ieee80211_priv(dev);
3526
3527 priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
3528 }
3529
3530
3531 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
3532 {
3533 struct r8192_priv *priv = ieee80211_priv(dev);
3534 struct sockaddr *addr = mac;
3535
3536 down(&priv->wx_sem);
3537
3538 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
3539
3540 schedule_work(&priv->reset_wq);
3541 up(&priv->wx_sem);
3542
3543 return 0;
3544 }
3545
3546 static void r8192e_set_hw_key(struct r8192_priv *priv, struct ieee_param *ipw)
3547 {
3548 struct ieee80211_device *ieee = priv->ieee80211;
3549 struct net_device *dev = priv->ieee80211->dev;
3550 u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
3551 u32 key[4];
3552
3553 if (ipw->u.crypt.set_tx) {
3554 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3555 ieee->pairwise_key_type = KEY_TYPE_CCMP;
3556 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3557 ieee->pairwise_key_type = KEY_TYPE_TKIP;
3558 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3559 if (ipw->u.crypt.key_len == 13)
3560 ieee->pairwise_key_type = KEY_TYPE_WEP104;
3561 else if (ipw->u.crypt.key_len == 5)
3562 ieee->pairwise_key_type = KEY_TYPE_WEP40;
3563 } else
3564 ieee->pairwise_key_type = KEY_TYPE_NA;
3565
3566 if (ieee->pairwise_key_type) {
3567 memcpy(key, ipw->u.crypt.key, 16);
3568 EnableHWSecurityConfig8192(dev);
3569 /*
3570 * We fill both index entry and 4th entry for pairwise
3571 * key as in IPW interface, adhoc will only get here,
3572 * so we need index entry for its default key serching!
3573 */
3574 setKey(dev, 4, ipw->u.crypt.idx,
3575 ieee->pairwise_key_type,
3576 (u8*)ieee->ap_mac_addr, 0, key);
3577
3578 /* LEAP WEP will never set this. */
3579 if (ieee->auth_mode != 2)
3580 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx,
3581 ieee->pairwise_key_type,
3582 (u8*)ieee->ap_mac_addr, 0, key);
3583 }
3584 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) &&
3585 ieee->pHTInfo->bCurrentHTSupport) {
3586 write_nic_byte(priv, 0x173, 1); /* fix aes bug */
3587 }
3588 } else {
3589 memcpy(key, ipw->u.crypt.key, 16);
3590 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
3591 ieee->group_key_type= KEY_TYPE_CCMP;
3592 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
3593 ieee->group_key_type = KEY_TYPE_TKIP;
3594 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0) {
3595 if (ipw->u.crypt.key_len == 13)
3596 ieee->group_key_type = KEY_TYPE_WEP104;
3597 else if (ipw->u.crypt.key_len == 5)
3598 ieee->group_key_type = KEY_TYPE_WEP40;
3599 } else
3600 ieee->group_key_type = KEY_TYPE_NA;
3601
3602 if (ieee->group_key_type) {
3603 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx,
3604 ieee->group_key_type, broadcast_addr, 0, key);
3605 }
3606 }
3607 }
3608
3609 /* based on ipw2200 driver */
3610 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
3611 {
3612 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3613 struct iwreq *wrq = (struct iwreq *)rq;
3614 int ret=-1;
3615 struct iw_point *p = &wrq->u.data;
3616 struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
3617
3618 down(&priv->wx_sem);
3619
3620
3621 if (p->length < sizeof(struct ieee_param) || !p->pointer){
3622 ret = -EINVAL;
3623 goto out;
3624 }
3625
3626 ipw = kmalloc(p->length, GFP_KERNEL);
3627 if (ipw == NULL){
3628 ret = -ENOMEM;
3629 goto out;
3630 }
3631 if (copy_from_user(ipw, p->pointer, p->length)) {
3632 kfree(ipw);
3633 ret = -EFAULT;
3634 goto out;
3635 }
3636
3637 switch (cmd) {
3638 case RTL_IOCTL_WPA_SUPPLICANT:
3639 /* parse here for HW security */
3640 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
3641 r8192e_set_hw_key(priv, ipw);
3642 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
3643 break;
3644
3645 default:
3646 ret = -EOPNOTSUPP;
3647 break;
3648 }
3649
3650 kfree(ipw);
3651 out:
3652 up(&priv->wx_sem);
3653
3654 return ret;
3655 }
3656
3657 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
3658 {
3659 u8 ret_rate = 0x02;
3660
3661 if(!bIsHT) {
3662 switch(rate) {
3663 case DESC90_RATE1M: ret_rate = MGN_1M; break;
3664 case DESC90_RATE2M: ret_rate = MGN_2M; break;
3665 case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break;
3666 case DESC90_RATE11M: ret_rate = MGN_11M; break;
3667 case DESC90_RATE6M: ret_rate = MGN_6M; break;
3668 case DESC90_RATE9M: ret_rate = MGN_9M; break;
3669 case DESC90_RATE12M: ret_rate = MGN_12M; break;
3670 case DESC90_RATE18M: ret_rate = MGN_18M; break;
3671 case DESC90_RATE24M: ret_rate = MGN_24M; break;
3672 case DESC90_RATE36M: ret_rate = MGN_36M; break;
3673 case DESC90_RATE48M: ret_rate = MGN_48M; break;
3674 case DESC90_RATE54M: ret_rate = MGN_54M; break;
3675
3676 default:
3677 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
3678 break;
3679 }
3680
3681 } else {
3682 switch(rate) {
3683 case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break;
3684 case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break;
3685 case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break;
3686 case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break;
3687 case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break;
3688 case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break;
3689 case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break;
3690 case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break;
3691 case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break;
3692 case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break;
3693 case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break;
3694 case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break;
3695 case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break;
3696 case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break;
3697 case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break;
3698 case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break;
3699 case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break;
3700
3701 default:
3702 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
3703 break;
3704 }
3705 }
3706
3707 return ret_rate;
3708 }
3709
3710 /* Record the TSF time stamp when receiving a packet */
3711 static void UpdateRxPktTimeStamp8190 (struct net_device *dev, struct ieee80211_rx_stats *stats)
3712 {
3713 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3714
3715 if(stats->bIsAMPDU && !stats->bFirstMPDU) {
3716 stats->mac_time[0] = priv->LastRxDescTSFLow;
3717 stats->mac_time[1] = priv->LastRxDescTSFHigh;
3718 } else {
3719 priv->LastRxDescTSFLow = stats->mac_time[0];
3720 priv->LastRxDescTSFHigh = stats->mac_time[1];
3721 }
3722 }
3723
3724 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
3725 {
3726 long signal_power; // in dBm.
3727
3728 // Translate to dBm (x=0.5y-95).
3729 signal_power = (long)((signal_strength_index + 1) >> 1);
3730 signal_power -= 95;
3731
3732 return signal_power;
3733 }
3734
3735 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
3736 be a local static. Otherwise, it may increase when we return from S3/S4. The
3737 value will be kept in memory or disk. We must delcare the value in adapter
3738 and it will be reinitialized when return from S3/S4. */
3739 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
3740 {
3741 bool bcheck = false;
3742 u8 rfpath;
3743 u32 nspatial_stream, tmp_val;
3744 static u32 slide_rssi_index=0, slide_rssi_statistics=0;
3745 static u32 slide_evm_index=0, slide_evm_statistics=0;
3746 static u32 last_rssi=0, last_evm=0;
3747 //cosa add for beacon rssi smoothing
3748 static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
3749 static u32 last_beacon_adc_pwdb=0;
3750
3751 struct ieee80211_hdr_3addr *hdr;
3752 u16 sc ;
3753 unsigned int frag,seq;
3754 hdr = (struct ieee80211_hdr_3addr *)buffer;
3755 sc = le16_to_cpu(hdr->seq_ctl);
3756 frag = WLAN_GET_SEQ_FRAG(sc);
3757 seq = WLAN_GET_SEQ_SEQ(sc);
3758 //cosa add 04292008 to record the sequence number
3759 pcurrent_stats->Seq_Num = seq;
3760 //
3761 // Check whether we should take the previous packet into accounting
3762 //
3763 if(!pprevious_stats->bIsAMPDU)
3764 {
3765 // if previous packet is not aggregated packet
3766 bcheck = true;
3767 }
3768
3769 if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
3770 {
3771 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
3772 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
3773 priv->stats.slide_rssi_total -= last_rssi;
3774 }
3775 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
3776
3777 priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
3778 if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
3779 slide_rssi_index = 0;
3780
3781 // <1> Showed on UI for user, in dbm
3782 tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
3783 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
3784 pcurrent_stats->rssi = priv->stats.signal_strength;
3785 //
3786 // If the previous packet does not match the criteria, neglect it
3787 //
3788 if(!pprevious_stats->bPacketMatchBSSID)
3789 {
3790 if(!pprevious_stats->bToSelfBA)
3791 return;
3792 }
3793
3794 if(!bcheck)
3795 return;
3796
3797 // <2> Showed on UI for engineering
3798 // hardware does not provide rssi information for each rf path in CCK
3799 if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
3800 {
3801 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
3802 {
3803 if (!rtl8192_phy_CheckIsLegalRFPath(priv, rfpath))
3804 continue;
3805 RT_TRACE(COMP_DBG, "pPreviousstats->RxMIMOSignalStrength[rfpath] = %d\n", pprevious_stats->RxMIMOSignalStrength[rfpath]);
3806 //Fixed by Jacken 2008-03-20
3807 if(priv->stats.rx_rssi_percentage[rfpath] == 0)
3808 {
3809 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
3810 }
3811 if(pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath])
3812 {
3813 priv->stats.rx_rssi_percentage[rfpath] =
3814 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3815 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3816 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
3817 }
3818 else
3819 {
3820 priv->stats.rx_rssi_percentage[rfpath] =
3821 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
3822 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
3823 }
3824 RT_TRACE(COMP_DBG, "priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" , priv->stats.rx_rssi_percentage[rfpath]);
3825 }
3826 }
3827
3828
3829 //
3830 // Check PWDB.
3831 //
3832 //cosa add for beacon rssi smoothing by average.
3833 if(pprevious_stats->bPacketBeacon)
3834 {
3835 /* record the beacon pwdb to the sliding window. */
3836 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3837 {
3838 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
3839 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
3840 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
3841 // slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
3842 }
3843 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
3844 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
3845 slide_beacon_adc_pwdb_index++;
3846 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
3847 slide_beacon_adc_pwdb_index = 0;
3848 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
3849 if(pprevious_stats->RxPWDBAll >= 3)
3850 pprevious_stats->RxPWDBAll -= 3;
3851 }
3852
3853 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
3854 pprevious_stats->bIsCCK? "CCK": "OFDM",
3855 pprevious_stats->RxPWDBAll);
3856
3857 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3858 {
3859 if(priv->undecorated_smoothed_pwdb < 0) // initialize
3860 {
3861 priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
3862 }
3863
3864 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
3865 {
3866 priv->undecorated_smoothed_pwdb =
3867 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3868 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3869 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
3870 }
3871 else
3872 {
3873 priv->undecorated_smoothed_pwdb =
3874 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
3875 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
3876 }
3877 }
3878
3879 //
3880 // Check EVM
3881 //
3882 /* record the general EVM to the sliding window. */
3883 if(pprevious_stats->SignalQuality == 0)
3884 {
3885 }
3886 else
3887 {
3888 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
3889 if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
3890 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
3891 last_evm = priv->stats.slide_evm[slide_evm_index];
3892 priv->stats.slide_evm_total -= last_evm;
3893 }
3894
3895 priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
3896
3897 priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
3898 if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
3899 slide_evm_index = 0;
3900
3901 // <1> Showed on UI for user, in percentage.
3902 tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
3903 //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
3904 }
3905
3906 // <2> Showed on UI for engineering
3907 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
3908 {
3909 for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
3910 {
3911 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
3912 {
3913 if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
3914 {
3915 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
3916 }
3917 priv->stats.rx_evm_percentage[nspatial_stream] =
3918 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
3919 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
3920 }
3921 }
3922 }
3923 }
3924
3925 }
3926
3927 static u8 rtl819x_query_rxpwrpercentage(
3928 char antpower
3929 )
3930 {
3931 if ((antpower <= -100) || (antpower >= 20))
3932 {
3933 return 0;
3934 }
3935 else if (antpower >= 0)
3936 {
3937 return 100;
3938 }
3939 else
3940 {
3941 return (100+antpower);
3942 }
3943
3944 }
3945
3946 static u8
3947 rtl819x_evm_dbtopercentage(
3948 char value
3949 )
3950 {
3951 char ret_val;
3952
3953 ret_val = value;
3954
3955 if(ret_val >= 0)
3956 ret_val = 0;
3957 if(ret_val <= -33)
3958 ret_val = -33;
3959 ret_val = 0 - ret_val;
3960 ret_val*=3;
3961 if(ret_val == 99)
3962 ret_val = 100;
3963 return ret_val;
3964 }
3965
3966 /* We want good-looking for signal strength/quality */
3967 static long rtl819x_signal_scale_mapping(long currsig)
3968 {
3969 long retsig;
3970
3971 // Step 1. Scale mapping.
3972 if(currsig >= 61 && currsig <= 100)
3973 {
3974 retsig = 90 + ((currsig - 60) / 4);
3975 }
3976 else if(currsig >= 41 && currsig <= 60)
3977 {
3978 retsig = 78 + ((currsig - 40) / 2);
3979 }
3980 else if(currsig >= 31 && currsig <= 40)
3981 {
3982 retsig = 66 + (currsig - 30);
3983 }
3984 else if(currsig >= 21 && currsig <= 30)
3985 {
3986 retsig = 54 + (currsig - 20);
3987 }
3988 else if(currsig >= 5 && currsig <= 20)
3989 {
3990 retsig = 42 + (((currsig - 5) * 2) / 3);
3991 }
3992 else if(currsig == 4)
3993 {
3994 retsig = 36;
3995 }
3996 else if(currsig == 3)
3997 {
3998 retsig = 27;
3999 }
4000 else if(currsig == 2)
4001 {
4002 retsig = 18;
4003 }
4004 else if(currsig == 1)
4005 {
4006 retsig = 9;
4007 }
4008 else
4009 {
4010 retsig = currsig;
4011 }
4012
4013 return retsig;
4014 }
4015
4016 static void rtl8192_query_rxphystatus(
4017 struct r8192_priv * priv,
4018 struct ieee80211_rx_stats * pstats,
4019 prx_desc_819x_pci pdesc,
4020 prx_fwinfo_819x_pci pdrvinfo,
4021 struct ieee80211_rx_stats * precord_stats,
4022 bool bpacket_match_bssid,
4023 bool bpacket_toself,
4024 bool bPacketBeacon,
4025 bool bToSelfBA
4026 )
4027 {
4028 //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status);
4029 phy_sts_ofdm_819xpci_t* pofdm_buf;
4030 phy_sts_cck_819xpci_t * pcck_buf;
4031 phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
4032 u8 *prxpkt;
4033 u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
4034 char rx_pwr[4], rx_pwr_all=0;
4035 //long rx_avg_pwr = 0;
4036 char rx_snrX, rx_evmX;
4037 u8 evm, pwdb_all;
4038 u32 RSSI, total_rssi=0;//, total_evm=0;
4039 // long signal_strength_index = 0;
4040 u8 is_cck_rate=0;
4041 u8 rf_rx_num = 0;
4042
4043 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
4044
4045 // Record it for next packet processing
4046 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
4047 pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
4048 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
4049 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
4050 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
4051 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
4052 /*2007.08.30 requested by SD3 Jerry */
4053 if (priv->phy_check_reg824 == 0)
4054 {
4055 priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv, rFPGA0_XA_HSSIParameter2, 0x200);
4056 priv->phy_check_reg824 = 1;
4057 }
4058
4059
4060 prxpkt = (u8*)pdrvinfo;
4061
4062 /* Move pointer to the 16th bytes. Phy status start address. */
4063 prxpkt += sizeof(rx_fwinfo_819x_pci);
4064
4065 /* Initial the cck and ofdm buffer pointer */
4066 pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
4067 pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
4068
4069 pstats->RxMIMOSignalQuality[0] = -1;
4070 pstats->RxMIMOSignalQuality[1] = -1;
4071 precord_stats->RxMIMOSignalQuality[0] = -1;
4072 precord_stats->RxMIMOSignalQuality[1] = -1;
4073
4074 if(is_cck_rate)
4075 {
4076 //
4077 // (1)Hardware does not provide RSSI for CCK
4078 //
4079
4080 //
4081 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4082 //
4083 u8 report;//, cck_agc_rpt;
4084
4085 if (!priv->phy_reg824_bit9)
4086 {
4087 report = pcck_buf->cck_agc_rpt & 0xc0;
4088 report = report>>6;
4089 switch(report)
4090 {
4091 //Fixed by Jacken from Bryant 2008-03-20
4092 //Original value is -38 , -26 , -14 , -2
4093 //Fixed value is -35 , -23 , -11 , 6
4094 case 0x3:
4095 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
4096 break;
4097 case 0x2:
4098 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
4099 break;
4100 case 0x1:
4101 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
4102 break;
4103 case 0x0:
4104 rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
4105 break;
4106 }
4107 }
4108 else
4109 {
4110 report = pcck_buf->cck_agc_rpt & 0x60;
4111 report = report>>5;
4112 switch(report)
4113 {
4114 case 0x3:
4115 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4116 break;
4117 case 0x2:
4118 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
4119 break;
4120 case 0x1:
4121 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4122 break;
4123 case 0x0:
4124 rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
4125 break;
4126 }
4127 }
4128
4129 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4130 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4131 pstats->RecvSignalPower = rx_pwr_all;
4132
4133 //
4134 // (3) Get Signal Quality (EVM)
4135 //
4136 if(bpacket_match_bssid)
4137 {
4138 u8 sq;
4139
4140 if(pstats->RxPWDBAll > 40)
4141 {
4142 sq = 100;
4143 }else
4144 {
4145 sq = pcck_buf->sq_rpt;
4146
4147 if(pcck_buf->sq_rpt > 64)
4148 sq = 0;
4149 else if (pcck_buf->sq_rpt < 20)
4150 sq = 100;
4151 else
4152 sq = ((64-sq) * 100) / 44;
4153 }
4154 pstats->SignalQuality = precord_stats->SignalQuality = sq;
4155 pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
4156 pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
4157 }
4158 }
4159 else
4160 {
4161 //
4162 // (1)Get RSSI for HT rate
4163 //
4164 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
4165 {
4166 // 2008/01/30 MH we will judge RF RX path now.
4167 if (priv->brfpath_rxenable[i])
4168 rf_rx_num++;
4169 //else
4170 //continue;
4171
4172 //Fixed by Jacken from Bryant 2008-03-20
4173 //Original value is 106
4174 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
4175
4176 //Get Rx snr value in DB
4177 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
4178 rx_snrX = (char)(tmp_rxsnr);
4179 rx_snrX /= 2;
4180
4181 /* Translate DBM to percentage. */
4182 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
4183 if (priv->brfpath_rxenable[i])
4184 total_rssi += RSSI;
4185
4186 /* Record Signal Strength for next packet */
4187 if(bpacket_match_bssid)
4188 {
4189 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
4190 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
4191 }
4192 }
4193
4194
4195 //
4196 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4197 //
4198 //Fixed by Jacken from Bryant 2008-03-20
4199 //Original value is 106
4200 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
4201 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
4202
4203 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
4204 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
4205 pstats->RecvSignalPower = rx_pwr_all;
4206 //
4207 // (3)EVM of HT rate
4208 //
4209 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
4210 pdrvinfo->RxRate<=DESC90_RATEMCS15)
4211 max_spatial_stream = 2; //both spatial stream make sense
4212 else
4213 max_spatial_stream = 1; //only spatial stream 1 makes sense
4214
4215 for(i=0; i<max_spatial_stream; i++)
4216 {
4217 tmp_rxevm = pofdm_buf->rxevm_X[i];
4218 rx_evmX = (char)(tmp_rxevm);
4219
4220 // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
4221 // fill most significant bit to "zero" when doing shifting operation which may change a negative
4222 // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
4223 rx_evmX /= 2; //dbm
4224
4225 evm = rtl819x_evm_dbtopercentage(rx_evmX);
4226 if(bpacket_match_bssid)
4227 {
4228 if(i==0) // Fill value in RFD, Get the first spatial stream only
4229 pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
4230 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
4231 }
4232 }
4233
4234
4235 /* record rx statistics for debug */
4236 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
4237 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
4238 }
4239
4240 //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
4241 //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
4242 if(is_cck_rate)
4243 {
4244 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
4245
4246 }
4247 else
4248 {
4249 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
4250 // We can judge RX path number now.
4251 if (rf_rx_num != 0)
4252 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
4253 }
4254 }
4255
4256 static void
4257 rtl8192_record_rxdesc_forlateruse(
4258 struct ieee80211_rx_stats * psrc_stats,
4259 struct ieee80211_rx_stats * ptarget_stats
4260 )
4261 {
4262 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
4263 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
4264 //ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
4265 }
4266
4267
4268
4269 static void TranslateRxSignalStuff819xpci(struct r8192_priv *priv,
4270 struct sk_buff *skb,
4271 struct ieee80211_rx_stats * pstats,
4272 prx_desc_819x_pci pdesc,
4273 prx_fwinfo_819x_pci pdrvinfo)
4274 {
4275 // TODO: We must only check packet for current MAC address. Not finish
4276 bool bpacket_match_bssid, bpacket_toself;
4277 bool bPacketBeacon=false, bToSelfBA=false;
4278 struct ieee80211_hdr_3addr *hdr;
4279 u16 fc,type;
4280
4281 // Get Signal Quality for only RX data queue (but not command queue)
4282
4283 u8* tmp_buf;
4284 u8 *praddr;
4285
4286 /* Get MAC frame start address. */
4287 tmp_buf = skb->data;
4288
4289 hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
4290 fc = le16_to_cpu(hdr->frame_ctl);
4291 type = WLAN_FC_GET_TYPE(fc);
4292 praddr = hdr->addr1;
4293
4294 /* Check if the received packet is acceptabe. */
4295 bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
4296 (!compare_ether_addr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
4297 && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
4298 bpacket_toself = bpacket_match_bssid & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr));
4299
4300 if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
4301 {
4302 bPacketBeacon = true;
4303 }
4304 if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
4305 {
4306 if (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr))
4307 bToSelfBA = true;
4308 }
4309
4310 //
4311 // Process PHY information for previous packet (RSSI/PWDB/EVM)
4312 //
4313 // Because phy information is contained in the last packet of AMPDU only, so driver
4314 // should process phy information of previous packet
4315 rtl8192_process_phyinfo(priv, tmp_buf, &priv->previous_stats, pstats);
4316 rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid,
4317 bpacket_toself ,bPacketBeacon, bToSelfBA);
4318 rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats);
4319
4320 }
4321
4322
4323 static void rtl8192_tx_resume(struct net_device *dev)
4324 {
4325 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4326 struct ieee80211_device *ieee = priv->ieee80211;
4327 struct sk_buff *skb;
4328 int queue_index;
4329
4330 for(queue_index = BK_QUEUE; queue_index < TXCMD_QUEUE;queue_index++) {
4331 while((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
4332 (priv->ieee80211->check_nic_enough_desc(dev,queue_index) > 0)) {
4333 /* 1. dequeue the packet from the wait queue */
4334 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
4335 /* 2. tx the packet directly */
4336 ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
4337 }
4338 }
4339 }
4340
4341 static void rtl8192_irq_tx_tasklet(unsigned long arg)
4342 {
4343 struct r8192_priv *priv = (struct r8192_priv*) arg;
4344 struct rtl8192_tx_ring *mgnt_ring = &priv->tx_ring[MGNT_QUEUE];
4345 struct net_device *dev = priv->ieee80211->dev;
4346 unsigned long flags;
4347
4348 /* check if we need to report that the management queue is drained */
4349 spin_lock_irqsave(&priv->irq_th_lock, flags);
4350
4351 if (!skb_queue_len(&mgnt_ring->queue) &&
4352 priv->ieee80211->ack_tx_to_ieee &&
4353 rtl8192_is_tx_queue_empty(dev)) {
4354 priv->ieee80211->ack_tx_to_ieee = 0;
4355 ieee80211_ps_tx_ack(priv->ieee80211, 1);
4356 }
4357
4358 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4359
4360 rtl8192_tx_resume(dev);
4361 }
4362
4363 /* Record the received data rate */
4364 static void UpdateReceivedRateHistogramStatistics8190(
4365 struct net_device *dev,
4366 struct ieee80211_rx_stats* pstats
4367 )
4368 {
4369 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4370 u32 rcvType=1; //0: Total, 1:OK, 2:CRC, 3:ICV
4371 u32 rateIndex;
4372 u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
4373
4374 if(pstats->bCRC)
4375 rcvType = 2;
4376 else if(pstats->bICV)
4377 rcvType = 3;
4378
4379 if(pstats->bShortPreamble)
4380 preamble_guardinterval = 1;// short
4381 else
4382 preamble_guardinterval = 0;// long
4383
4384 switch(pstats->rate)
4385 {
4386 //
4387 // CCK rate
4388 //
4389 case MGN_1M: rateIndex = 0; break;
4390 case MGN_2M: rateIndex = 1; break;
4391 case MGN_5_5M: rateIndex = 2; break;
4392 case MGN_11M: rateIndex = 3; break;
4393 //
4394 // Legacy OFDM rate
4395 //
4396 case MGN_6M: rateIndex = 4; break;
4397 case MGN_9M: rateIndex = 5; break;
4398 case MGN_12M: rateIndex = 6; break;
4399 case MGN_18M: rateIndex = 7; break;
4400 case MGN_24M: rateIndex = 8; break;
4401 case MGN_36M: rateIndex = 9; break;
4402 case MGN_48M: rateIndex = 10; break;
4403 case MGN_54M: rateIndex = 11; break;
4404 //
4405 // 11n High throughput rate
4406 //
4407 case MGN_MCS0: rateIndex = 12; break;
4408 case MGN_MCS1: rateIndex = 13; break;
4409 case MGN_MCS2: rateIndex = 14; break;
4410 case MGN_MCS3: rateIndex = 15; break;
4411 case MGN_MCS4: rateIndex = 16; break;
4412 case MGN_MCS5: rateIndex = 17; break;
4413 case MGN_MCS6: rateIndex = 18; break;
4414 case MGN_MCS7: rateIndex = 19; break;
4415 case MGN_MCS8: rateIndex = 20; break;
4416 case MGN_MCS9: rateIndex = 21; break;
4417 case MGN_MCS10: rateIndex = 22; break;
4418 case MGN_MCS11: rateIndex = 23; break;
4419 case MGN_MCS12: rateIndex = 24; break;
4420 case MGN_MCS13: rateIndex = 25; break;
4421 case MGN_MCS14: rateIndex = 26; break;
4422 case MGN_MCS15: rateIndex = 27; break;
4423 default: rateIndex = 28; break;
4424 }
4425 priv->stats.received_rate_histogram[0][rateIndex]++; //total
4426 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
4427 }
4428
4429 static void rtl8192_rx(struct net_device *dev)
4430 {
4431 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4432 struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
4433 bool unicast_packet = false;
4434 struct ieee80211_rx_stats stats = {
4435 .signal = 0,
4436 .noise = -98,
4437 .rate = 0,
4438 .freq = IEEE80211_24GHZ_BAND,
4439 };
4440 unsigned int count = priv->rxringcount;
4441 prx_fwinfo_819x_pci pDrvInfo = NULL;
4442 struct sk_buff *new_skb;
4443
4444 while (count--) {
4445 rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
4446 struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
4447
4448 if (pdesc->OWN)
4449 /* wait data to be filled by hardware */
4450 return;
4451
4452 stats.bICV = pdesc->ICV;
4453 stats.bCRC = pdesc->CRC32;
4454 stats.bHwError = pdesc->CRC32 | pdesc->ICV;
4455
4456 stats.Length = pdesc->Length;
4457 if(stats.Length < 24)
4458 stats.bHwError |= 1;
4459
4460 if(stats.bHwError) {
4461 stats.bShift = false;
4462 goto done;
4463 }
4464 pDrvInfo = NULL;
4465 new_skb = dev_alloc_skb(priv->rxbuffersize);
4466
4467 if (unlikely(!new_skb))
4468 goto done;
4469
4470 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
4471 stats.RxBufShift = ((pdesc->Shift)&0x03);
4472 stats.Decrypted = !pdesc->SWDec;
4473
4474 pci_dma_sync_single_for_cpu(priv->pdev,
4475 *((dma_addr_t *)skb->cb),
4476 priv->rxbuffersize,
4477 PCI_DMA_FROMDEVICE);
4478 skb_put(skb, pdesc->Length);
4479 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
4480 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
4481
4482 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
4483 stats.bShortPreamble = pDrvInfo->SPLCP;
4484
4485 /* it is debug only. It should be disabled in released driver.
4486 * 2007.1.11 by Emily
4487 * */
4488 UpdateReceivedRateHistogramStatistics8190(dev, &stats);
4489
4490 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
4491 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
4492
4493 stats.TimeStampLow = pDrvInfo->TSFL;
4494 stats.TimeStampHigh = read_nic_dword(priv, TSFR+4);
4495
4496 UpdateRxPktTimeStamp8190(dev, &stats);
4497
4498 //
4499 // Get Total offset of MPDU Frame Body
4500 //
4501 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
4502 stats.bShift = 1;
4503
4504 stats.RxIs40MHzPacket = pDrvInfo->BW;
4505
4506 /* ???? */
4507 TranslateRxSignalStuff819xpci(priv, skb, &stats, pdesc, pDrvInfo);
4508
4509 /* Rx A-MPDU */
4510 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
4511 RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
4512 pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
4513 skb_trim(skb, skb->len - 4/*sCrcLng*/);
4514 /* rx packets statistics */
4515 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
4516 unicast_packet = false;
4517
4518 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
4519 //TODO
4520 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
4521 //TODO
4522 }else {
4523 /* unicast packet */
4524 unicast_packet = true;
4525 }
4526
4527 stats.packetlength = stats.Length-4;
4528 stats.fraglength = stats.packetlength;
4529 stats.fragoffset = 0;
4530 stats.ntotalfrag = 1;
4531
4532 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
4533 dev_kfree_skb_any(skb);
4534 } else {
4535 priv->stats.rxok++;
4536 if(unicast_packet) {
4537 priv->stats.rxbytesunicast += skb->len;
4538 }
4539 }
4540
4541 pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb),
4542 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4543
4544 skb = new_skb;
4545 priv->rx_buf[priv->rx_idx] = skb;
4546 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
4547
4548 done:
4549 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
4550 pdesc->OWN = 1;
4551 pdesc->Length = priv->rxbuffersize;
4552 if (priv->rx_idx == priv->rxringcount-1)
4553 pdesc->EOR = 1;
4554 priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
4555 }
4556
4557 }
4558
4559 static void rtl8192_irq_rx_tasklet(unsigned long arg)
4560 {
4561 struct r8192_priv *priv = (struct r8192_priv*) arg;
4562 rtl8192_rx(priv->ieee80211->dev);
4563 /* unmask RDU */
4564 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) | IMR_RDU);
4565 }
4566
4567 static const struct net_device_ops rtl8192_netdev_ops = {
4568 .ndo_open = rtl8192_open,
4569 .ndo_stop = rtl8192_close,
4570 .ndo_tx_timeout = tx_timeout,
4571 .ndo_do_ioctl = rtl8192_ioctl,
4572 .ndo_set_multicast_list = r8192_set_multicast,
4573 .ndo_set_mac_address = r8192_set_mac_adr,
4574 .ndo_start_xmit = ieee80211_rtl_xmit,
4575 };
4576
4577 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
4578 const struct pci_device_id *id)
4579 {
4580 unsigned long ioaddr = 0;
4581 struct net_device *dev = NULL;
4582 struct r8192_priv *priv= NULL;
4583 u8 unit = 0;
4584 int ret = -ENODEV;
4585 unsigned long pmem_start, pmem_len, pmem_flags;
4586
4587 RT_TRACE(COMP_INIT,"Configuring chip resources\n");
4588
4589 if( pci_enable_device (pdev) ){
4590 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
4591 return -EIO;
4592 }
4593
4594 pci_set_master(pdev);
4595 //pci_set_wmi(pdev);
4596 pci_set_dma_mask(pdev, 0xffffff00ULL);
4597 pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
4598 dev = alloc_ieee80211(sizeof(struct r8192_priv));
4599 if (!dev) {
4600 ret = -ENOMEM;
4601 goto fail_free;
4602 }
4603
4604 pci_set_drvdata(pdev, dev);
4605 SET_NETDEV_DEV(dev, &pdev->dev);
4606 priv = ieee80211_priv(dev);
4607 priv->ieee80211 = netdev_priv(dev);
4608 priv->pdev=pdev;
4609 if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
4610 priv->ieee80211->bSupportRemoteWakeUp = 1;
4611 } else
4612 {
4613 priv->ieee80211->bSupportRemoteWakeUp = 0;
4614 }
4615
4616 pmem_start = pci_resource_start(pdev, 1);
4617 pmem_len = pci_resource_len(pdev, 1);
4618 pmem_flags = pci_resource_flags (pdev, 1);
4619
4620 if (!(pmem_flags & IORESOURCE_MEM)) {
4621 RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting\n");
4622 goto fail;
4623 }
4624
4625 //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
4626 if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
4627 RT_TRACE(COMP_ERR,"request_mem_region failed!\n");
4628 goto fail;
4629 }
4630
4631
4632 ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
4633 if( ioaddr == (unsigned long)NULL ){
4634 RT_TRACE(COMP_ERR,"ioremap failed!\n");
4635 // release_mem_region( pmem_start, pmem_len );
4636 goto fail1;
4637 }
4638
4639 dev->mem_start = ioaddr; // shared mem start
4640 dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end
4641
4642 /* We disable the RETRY_TIMEOUT register (0x41) to keep
4643 * PCI Tx retries from interfering with C3 CPU state */
4644 pci_write_config_byte(pdev, 0x41, 0x00);
4645
4646
4647 pci_read_config_byte(pdev, 0x05, &unit);
4648 pci_write_config_byte(pdev, 0x05, unit & (~0x04));
4649
4650 dev->irq = pdev->irq;
4651 priv->irq = 0;
4652
4653 dev->netdev_ops = &rtl8192_netdev_ops;
4654
4655 dev->wireless_handlers = &r8192_wx_handlers_def;
4656 dev->type=ARPHRD_ETHER;
4657
4658 dev->watchdog_timeo = HZ*3;
4659
4660 if (dev_alloc_name(dev, ifname) < 0){
4661 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
4662 strcpy(ifname, "wlan%d");
4663 dev_alloc_name(dev, ifname);
4664 }
4665
4666 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
4667 if(rtl8192_init(dev)!=0){
4668 RT_TRACE(COMP_ERR, "Initialization failed\n");
4669 goto fail;
4670 }
4671
4672 register_netdev(dev);
4673 RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
4674 rtl8192_proc_init_one(priv);
4675
4676
4677 RT_TRACE(COMP_INIT, "Driver probe completed\n");
4678 return 0;
4679
4680 fail1:
4681
4682 if( dev->mem_start != (unsigned long)NULL ){
4683 iounmap( (void *)dev->mem_start );
4684 release_mem_region( pci_resource_start(pdev, 1),
4685 pci_resource_len(pdev, 1) );
4686 }
4687
4688 fail:
4689 if(dev){
4690
4691 if (priv->irq) {
4692 free_irq(dev->irq, dev);
4693 dev->irq=0;
4694 }
4695 free_ieee80211(dev);
4696 }
4697
4698 fail_free:
4699 pci_disable_device(pdev);
4700
4701 DMESG("wlan driver load failed\n");
4702 pci_set_drvdata(pdev, NULL);
4703 return ret;
4704
4705 }
4706
4707 /* detach all the work and timer structure declared or inititialized
4708 * in r8192_init function.
4709 * */
4710 static void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
4711 {
4712 /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
4713 * is or is newer than 2.6.20 and work structure is defined to be struct work_struct.
4714 * Otherwise call cancel_delayed_work is enough.
4715 * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
4716 * */
4717 cancel_delayed_work(&priv->watch_dog_wq);
4718 cancel_delayed_work(&priv->update_beacon_wq);
4719 cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
4720 cancel_delayed_work(&priv->gpio_change_rf_wq);
4721 cancel_work_sync(&priv->reset_wq);
4722 cancel_work_sync(&priv->qos_activate);
4723 }
4724
4725
4726 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
4727 {
4728 struct net_device *dev = pci_get_drvdata(pdev);
4729 struct r8192_priv *priv ;
4730 u32 i;
4731
4732 if (dev) {
4733
4734 unregister_netdev(dev);
4735
4736 priv = ieee80211_priv(dev);
4737
4738 rtl8192_proc_remove_one(priv);
4739
4740 rtl8192_down(dev);
4741 if (priv->pFirmware)
4742 {
4743 vfree(priv->pFirmware);
4744 priv->pFirmware = NULL;
4745 }
4746 destroy_workqueue(priv->priv_wq);
4747
4748 /* free tx/rx rings */
4749 rtl8192_free_rx_ring(priv);
4750 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
4751 rtl8192_free_tx_ring(priv, i);
4752
4753 if (priv->irq) {
4754 printk("Freeing irq %d\n",dev->irq);
4755 free_irq(dev->irq, dev);
4756 priv->irq=0;
4757 }
4758
4759 if( dev->mem_start != (unsigned long)NULL ){
4760 iounmap( (void *)dev->mem_start );
4761 release_mem_region( pci_resource_start(pdev, 1),
4762 pci_resource_len(pdev, 1) );
4763 }
4764
4765 free_ieee80211(dev);
4766 }
4767
4768 pci_disable_device(pdev);
4769 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
4770 }
4771
4772 extern int ieee80211_rtl_init(void);
4773 extern void ieee80211_rtl_exit(void);
4774
4775 static int __init rtl8192_pci_module_init(void)
4776 {
4777 int retval;
4778
4779 retval = ieee80211_rtl_init();
4780 if (retval)
4781 return retval;
4782
4783 printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
4784 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
4785 RT_TRACE(COMP_INIT, "Initializing module\n");
4786 rtl8192_proc_module_init();
4787 if(0!=pci_register_driver(&rtl8192_pci_driver))
4788 {
4789 DMESG("No device found");
4790 /*pci_unregister_driver (&rtl8192_pci_driver);*/
4791 return -ENODEV;
4792 }
4793 return 0;
4794 }
4795
4796
4797 static void __exit rtl8192_pci_module_exit(void)
4798 {
4799 pci_unregister_driver(&rtl8192_pci_driver);
4800
4801 RT_TRACE(COMP_DOWN, "Exiting\n");
4802 rtl8192_proc_module_remove();
4803 ieee80211_rtl_exit();
4804 }
4805
4806 static irqreturn_t rtl8192_interrupt(int irq, void *netdev)
4807 {
4808 struct net_device *dev = (struct net_device *) netdev;
4809 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4810 unsigned long flags;
4811 u32 inta;
4812 irqreturn_t ret = IRQ_HANDLED;
4813
4814 spin_lock_irqsave(&priv->irq_th_lock, flags);
4815
4816 /* ISR: 4bytes */
4817
4818 inta = read_nic_dword(priv, ISR); /* & priv->IntrMask; */
4819 write_nic_dword(priv, ISR, inta); /* reset int situation */
4820
4821 if (!inta) {
4822 /*
4823 * most probably we can safely return IRQ_NONE,
4824 * but for now is better to avoid problems
4825 */
4826 goto out_unlock;
4827 }
4828
4829 if (inta == 0xffff) {
4830 /* HW disappared */
4831 goto out_unlock;
4832 }
4833
4834 if (!netif_running(dev))
4835 goto out_unlock;
4836
4837 if (inta & IMR_TBDOK) {
4838 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4839 rtl8192_tx_isr(priv, BEACON_QUEUE);
4840 priv->stats.txbeaconokint++;
4841 }
4842
4843 if (inta & IMR_TBDER) {
4844 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
4845 rtl8192_tx_isr(priv, BEACON_QUEUE);
4846 priv->stats.txbeaconerr++;
4847 }
4848
4849 if (inta & IMR_MGNTDOK ) {
4850 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
4851 priv->stats.txmanageokint++;
4852 rtl8192_tx_isr(priv, MGNT_QUEUE);
4853 }
4854
4855 if (inta & IMR_COMDOK)
4856 {
4857 priv->stats.txcmdpktokint++;
4858 rtl8192_tx_isr(priv, TXCMD_QUEUE);
4859 }
4860
4861 if (inta & IMR_ROK) {
4862 priv->stats.rxint++;
4863 tasklet_schedule(&priv->irq_rx_tasklet);
4864 }
4865
4866 if (inta & IMR_BcnInt) {
4867 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
4868 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
4869 }
4870
4871 if (inta & IMR_RDU) {
4872 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
4873 priv->stats.rxrdu++;
4874 /* reset int situation */
4875 write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) & ~IMR_RDU);
4876 tasklet_schedule(&priv->irq_rx_tasklet);
4877 }
4878
4879 if (inta & IMR_RXFOVW) {
4880 RT_TRACE(COMP_INTR, "rx overflow !\n");
4881 priv->stats.rxoverflow++;
4882 tasklet_schedule(&priv->irq_rx_tasklet);
4883 }
4884
4885 if (inta & IMR_TXFOVW)
4886 priv->stats.txoverflow++;
4887
4888 if (inta & IMR_BKDOK) {
4889 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
4890 priv->stats.txbkokint++;
4891 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4892 rtl8192_tx_isr(priv, BK_QUEUE);
4893 }
4894
4895 if (inta & IMR_BEDOK) {
4896 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
4897 priv->stats.txbeokint++;
4898 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4899 rtl8192_tx_isr(priv, BE_QUEUE);
4900 }
4901
4902 if (inta & IMR_VIDOK) {
4903 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
4904 priv->stats.txviokint++;
4905 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4906 rtl8192_tx_isr(priv, VI_QUEUE);
4907 }
4908
4909 if (inta & IMR_VODOK) {
4910 priv->stats.txvookint++;
4911 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
4912 rtl8192_tx_isr(priv, VO_QUEUE);
4913 }
4914
4915 out_unlock:
4916 spin_unlock_irqrestore(&priv->irq_th_lock, flags);
4917
4918 return ret;
4919 }
4920
4921 void EnableHWSecurityConfig8192(struct net_device *dev)
4922 {
4923 u8 SECR_value = 0x0;
4924 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4925 struct ieee80211_device* ieee = priv->ieee80211;
4926
4927 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
4928
4929 if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
4930 {
4931 SECR_value |= SCR_RxUseDK;
4932 SECR_value |= SCR_TxUseDK;
4933 }
4934 else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
4935 {
4936 SECR_value |= SCR_RxUseDK;
4937 SECR_value |= SCR_TxUseDK;
4938 }
4939
4940 //add HWSec active enable here.
4941 //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
4942 ieee->hwsec_active = 1;
4943
4944 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
4945 {
4946 ieee->hwsec_active = 0;
4947 SECR_value &= ~SCR_RxDecEnable;
4948 }
4949
4950 RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__,
4951 ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
4952 {
4953 write_nic_byte(priv, SECR, SECR_value);//SECR_value | SCR_UseDK );
4954 }
4955
4956 }
4957 #define TOTAL_CAM_ENTRY 32
4958 //#define CAM_CONTENT_COUNT 8
4959 void setKey( struct net_device *dev,
4960 u8 EntryNo,
4961 u8 KeyIndex,
4962 u16 KeyType,
4963 const u8 *MacAddr,
4964 u8 DefaultKey,
4965 u32 *KeyContent )
4966 {
4967 u32 TargetCommand = 0;
4968 u32 TargetContent = 0;
4969 u16 usConfig = 0;
4970 u8 i;
4971 #ifdef ENABLE_IPS
4972 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4973 RT_RF_POWER_STATE rtState;
4974 rtState = priv->eRFPowerState;
4975 if (priv->PowerSaveControl.bInactivePs){
4976 if(rtState == eRfOff){
4977 if(priv->RfOffReason > RF_CHANGE_BY_IPS)
4978 {
4979 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
4980 //up(&priv->wx_sem);
4981 return ;
4982 }
4983 else{
4984 down(&priv->ieee80211->ips_sem);
4985 IPSLeave(dev);
4986 up(&priv->ieee80211->ips_sem);
4987 }
4988 }
4989 }
4990 priv->ieee80211->is_set_key = true;
4991 #endif
4992 if (EntryNo >= TOTAL_CAM_ENTRY)
4993 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
4994
4995 RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr);
4996
4997 if (DefaultKey)
4998 usConfig |= BIT15 | (KeyType<<2);
4999 else
5000 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
5001 // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
5002
5003
5004 for(i=0 ; i<CAM_CONTENT_COUNT; i++){
5005 TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
5006 TargetCommand |= BIT31|BIT16;
5007
5008 if(i==0){//MAC|Config
5009 TargetContent = (u32)(*(MacAddr+0)) << 16|
5010 (u32)(*(MacAddr+1)) << 24|
5011 (u32)usConfig;
5012
5013 write_nic_dword(priv, WCAMI, TargetContent);
5014 write_nic_dword(priv, RWCAM, TargetCommand);
5015 }
5016 else if(i==1){//MAC
5017 TargetContent = (u32)(*(MacAddr+2)) |
5018 (u32)(*(MacAddr+3)) << 8|
5019 (u32)(*(MacAddr+4)) << 16|
5020 (u32)(*(MacAddr+5)) << 24;
5021 write_nic_dword(priv, WCAMI, TargetContent);
5022 write_nic_dword(priv, RWCAM, TargetCommand);
5023 }
5024 else { //Key Material
5025 if(KeyContent != NULL)
5026 {
5027 write_nic_dword(priv, WCAMI, (u32)(*(KeyContent+i-2)) );
5028 write_nic_dword(priv, RWCAM, TargetCommand);
5029 }
5030 }
5031 }
5032 RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
5033 }
5034
5035 bool NicIFEnableNIC(struct r8192_priv *priv)
5036 {
5037 RT_STATUS init_status = RT_STATUS_SUCCESS;
5038 PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl;
5039
5040 //YJ,add,091109
5041 if (priv->up == 0){
5042 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
5043 priv->bdisable_nic = false; //YJ,add,091111
5044 return false;
5045 }
5046 // <1> Reset memory: descriptor, buffer,..
5047 //NicIFResetMemory(Adapter);
5048
5049 // <2> Enable Adapter
5050 //priv->bfirst_init = true;
5051 init_status = rtl8192_adapter_start(priv);
5052 if (init_status != RT_STATUS_SUCCESS) {
5053 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
5054 priv->bdisable_nic = false; //YJ,add,091111
5055 return -1;
5056 }
5057 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
5058 //priv->bfirst_init = false;
5059
5060 // <3> Enable Interrupt
5061 rtl8192_irq_enable(priv);
5062 priv->bdisable_nic = false;
5063
5064 return (init_status == RT_STATUS_SUCCESS);
5065 }
5066
5067 bool NicIFDisableNIC(struct r8192_priv *priv)
5068 {
5069 bool status = true;
5070 u8 tmp_state = 0;
5071 // <1> Disable Interrupt
5072
5073 priv->bdisable_nic = true; //YJ,move,091109
5074 tmp_state = priv->ieee80211->state;
5075
5076 ieee80211_softmac_stop_protocol(priv->ieee80211, false);
5077
5078 priv->ieee80211->state = tmp_state;
5079 rtl8192_cancel_deferred_work(priv);
5080 rtl8192_irq_disable(priv);
5081 // <2> Stop all timer
5082
5083 // <3> Disable Adapter
5084 rtl8192_halt_adapter(priv, false);
5085 // priv->bdisable_nic = true;
5086
5087 return status;
5088 }
5089
5090 module_init(rtl8192_pci_module_init);
5091 module_exit(rtl8192_pci_module_exit);
Linux kernel - Deliverables
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