1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 * Linux device driver for RTL8190P / RTL8192E
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.
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
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
20 * The full GNU General Public License is included in this distribution in the
21 * file called LICENSE.
23 * Contact Information:
24 * Jerry chuang <wlanfae@realtek.com>
29 #undef RX_DONT_PASS_UL
31 #undef DEBUG_RX_VERBOSE
37 #undef DEBUG_TX_FILLDESC
42 #undef DEBUG_REGISTERS
44 #undef DEBUG_IRQ_TASKLET
48 //#define CONFIG_RTL8192_IO_MAP
49 #include <linux/vmalloc.h>
50 #include <asm/uaccess.h>
51 #include "r8192E_hw.h"
53 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
54 #include "r8180_93cx6.h" /* Card EEPROM */
55 #include "r8192E_wx.h"
56 #include "r819xE_phy.h" //added by WB 4.30.2008
57 #include "r819xE_phyreg.h"
58 #include "r819xE_cmdpkt.h"
59 #include "r8192E_dm.h"
60 //#include "r8192xU_phyreg.h"
61 //#include <linux/usb.h>
62 // FIXME: check if 2.6.7 is ok
69 #include "ieee80211/dot11d.h"
72 //set here to open your trace code. //WB
73 u32 rt_global_debug_component = \
91 // COMP_POWER_TRACKING |
93 COMP_ERR ; //always open err flags on
95 #define PCI_DEVICE(vend,dev)\
96 .vendor=(vend),.device=(dev),\
97 .subvendor=PCI_ANY_ID,.subdevice=PCI_ANY_ID
99 static struct pci_device_id rtl8192_pci_id_tbl[] __devinitdata = {
103 { PCI_DEVICE(0x10ec, 0x8190) },
105 { PCI_DEVICE(0x07aa, 0x0045) },
106 { PCI_DEVICE(0x07aa, 0x0046) },
109 { PCI_DEVICE(0x10ec, 0x8192) },
112 { PCI_DEVICE(0x07aa, 0x0044) },
113 { PCI_DEVICE(0x07aa, 0x0047) },
118 static char* ifname = "wlan%d";
119 static int hwwep = 1; //default use hw. set 0 to use software security
120 static int channels = 0x3fff;
122 MODULE_LICENSE("GPL");
123 MODULE_VERSION("V 1.1");
124 MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
125 //MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
126 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
129 module_param(ifname, charp, S_IRUGO|S_IWUSR );
130 //module_param(hwseqnum,int, S_IRUGO|S_IWUSR);
131 module_param(hwwep,int, S_IRUGO|S_IWUSR);
132 module_param(channels,int, S_IRUGO|S_IWUSR);
134 MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
135 //MODULE_PARM_DESC(hwseqnum," Try to use hardware 802.11 header sequence numbers. Zero=default");
136 MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards");
137 MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
139 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
140 const struct pci_device_id *id);
141 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
143 static struct pci_driver rtl8192_pci_driver = {
144 .name = RTL819xE_MODULE_NAME, /* Driver name */
145 .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
146 .probe = rtl8192_pci_probe, /* probe fn */
147 .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
149 .suspend = rtl8192E_suspend, /* PM suspend fn */
150 .resume = rtl8192E_resume, /* PM resume fn */
152 .suspend = NULL, /* PM suspend fn */
153 .resume = NULL, /* PM resume fn */
159 typedef struct _CHANNEL_LIST
163 }CHANNEL_LIST, *PCHANNEL_LIST;
165 static CHANNEL_LIST ChannelPlan[] = {
166 {{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
167 {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC
168 {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI
169 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI.
170 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI.
171 {{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
172 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
173 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel.
174 {{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
175 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC
176 {{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
179 static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
181 int i, max_chan=-1, min_chan=-1;
182 struct ieee80211_device* ieee = priv->ieee80211;
183 switch (channel_plan)
185 case COUNTRY_CODE_FCC:
186 case COUNTRY_CODE_IC:
187 case COUNTRY_CODE_ETSI:
188 case COUNTRY_CODE_SPAIN:
189 case COUNTRY_CODE_FRANCE:
190 case COUNTRY_CODE_MKK:
191 case COUNTRY_CODE_MKK1:
192 case COUNTRY_CODE_ISRAEL:
193 case COUNTRY_CODE_TELEC:
194 case COUNTRY_CODE_MIC:
197 ieee->bGlobalDomain = false;
198 //acturally 8225 & 8256 rf chip only support B,G,24N mode
199 if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256))
206 RT_TRACE(COMP_ERR, "unknown rf chip, can't set channel map in function:%s()\n", __FUNCTION__);
208 if (ChannelPlan[channel_plan].Len != 0){
209 // Clear old channel map
210 memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
211 // Set new channel map
212 for (i=0;i<ChannelPlan[channel_plan].Len;i++)
214 if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
216 GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
221 case COUNTRY_CODE_GLOBAL_DOMAIN:
223 GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
225 ieee->bGlobalDomain = true;
235 #define eqMacAddr(a,b) ( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 )
236 /* 2007/07/25 MH Defien temp tx fw info. */
237 static TX_FWINFO_T Tmp_TxFwInfo;
240 #define rx_hal_is_cck_rate(_pdrvinfo)\
241 (_pdrvinfo->RxRate == DESC90_RATE1M ||\
242 _pdrvinfo->RxRate == DESC90_RATE2M ||\
243 _pdrvinfo->RxRate == DESC90_RATE5_5M ||\
244 _pdrvinfo->RxRate == DESC90_RATE11M) &&\
248 void CamResetAllEntry(struct net_device *dev)
254 ulcommand |= BIT31|BIT30;
255 write_nic_dword(dev, RWCAM, ulcommand);
257 for(ucIndex=0;ucIndex<TOTAL_CAM_ENTRY;ucIndex++)
258 CAM_mark_invalid(dev, ucIndex);
259 for(ucIndex=0;ucIndex<TOTAL_CAM_ENTRY;ucIndex++)
260 CAM_empty_entry(dev, ucIndex);
265 void write_cam(struct net_device *dev, u8 addr, u32 data)
267 write_nic_dword(dev, WCAMI, data);
268 write_nic_dword(dev, RWCAM, BIT31|BIT16|(addr&0xff) );
270 u32 read_cam(struct net_device *dev, u8 addr)
272 write_nic_dword(dev, RWCAM, 0x80000000|(addr&0xff) );
273 return read_nic_dword(dev, 0xa8);
276 ////////////////////////////////////////////////////////////
277 #ifdef CONFIG_RTL8180_IO_MAP
279 u8 read_nic_byte(struct net_device *dev, int x)
281 return 0xff&inb(dev->base_addr +x);
284 u32 read_nic_dword(struct net_device *dev, int x)
286 return inl(dev->base_addr +x);
289 u16 read_nic_word(struct net_device *dev, int x)
291 return inw(dev->base_addr +x);
294 void write_nic_byte(struct net_device *dev, int x,u8 y)
296 outb(y&0xff,dev->base_addr +x);
299 void write_nic_word(struct net_device *dev, int x,u16 y)
301 outw(y,dev->base_addr +x);
304 void write_nic_dword(struct net_device *dev, int x,u32 y)
306 outl(y,dev->base_addr +x);
309 #else /* RTL_IO_MAP */
311 u8 read_nic_byte(struct net_device *dev, int x)
313 return 0xff&readb((u8*)dev->mem_start +x);
316 u32 read_nic_dword(struct net_device *dev, int x)
318 return readl((u8*)dev->mem_start +x);
321 u16 read_nic_word(struct net_device *dev, int x)
323 return readw((u8*)dev->mem_start +x);
326 void write_nic_byte(struct net_device *dev, int x,u8 y)
328 writeb(y,(u8*)dev->mem_start +x);
332 void write_nic_dword(struct net_device *dev, int x,u32 y)
334 writel(y,(u8*)dev->mem_start +x);
338 void write_nic_word(struct net_device *dev, int x,u16 y)
340 writew(y,(u8*)dev->mem_start +x);
344 #endif /* RTL_IO_MAP */
346 u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
348 //struct r8192_priv* priv = ieee80211_priv(dev);
349 //struct ieee80211_device *ieee = priv->ieee80211;
351 static u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
352 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
353 int wpa_ie_len= ieee->wpa_ie_len;
354 struct ieee80211_crypt_data* crypt;
357 crypt = ieee->crypt[ieee->tx_keyidx];
359 encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||\
360 (ieee->host_encrypt && crypt && crypt->ops && \
361 (0 == strcmp(crypt->ops->name,"WEP")));
364 if(encrypt && (wpa_ie_len == 0)) {
365 // wep encryption, no N mode setting */
367 } else if((wpa_ie_len != 0)) {
368 // parse pairwise key type */
369 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
370 ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
380 rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val)
382 struct r8192_priv* priv = ieee80211_priv(dev);
388 write_nic_dword(dev, BSSIDR, ((u32*)(val))[0]);
389 write_nic_word(dev, BSSIDR+2, ((u16*)(val+2))[0]);
392 case HW_VAR_MEDIA_STATUS:
394 RT_OP_MODE OpMode = *((RT_OP_MODE *)(val));
395 //LED_CTL_MODE LedAction = LED_CTL_NO_LINK;
396 u8 btMsr = read_nic_byte(dev, MSR);
402 case RT_OP_MODE_INFRASTRUCTURE:
404 //LedAction = LED_CTL_LINK;
407 case RT_OP_MODE_IBSS:
409 // led link set seperate
414 //LedAction = LED_CTL_LINK;
422 write_nic_byte(dev, MSR, btMsr);
424 //priv->ieee80211->LedControlHandler(dev, LedAction);
428 case HW_VAR_CECHK_BSSID:
432 Type = ((u8*)(val))[0];
433 //priv->ieee80211->GetHwRegHandler(dev, HW_VAR_RCR, (u8*)(&RegRCR));
434 RegRCR = read_nic_dword(dev,RCR);
435 priv->ReceiveConfig = RegRCR;
438 RegRCR |= (RCR_CBSSID);
439 else if (Type == false)
440 RegRCR &= (~RCR_CBSSID);
442 //priv->ieee80211->SetHwRegHandler( dev, HW_VAR_RCR, (u8*)(&RegRCR) );
443 write_nic_dword(dev, RCR,RegRCR);
444 priv->ReceiveConfig = RegRCR;
449 case HW_VAR_SLOT_TIME:
451 //PSTA_QOS pStaQos = Adapter->MgntInfo.pStaQos;
454 priv->slot_time = val[0];
455 write_nic_byte(dev, SLOT_TIME, val[0]);
460 case HW_VAR_ACK_PREAMBLE:
463 priv->short_preamble = (bool)(*(u8*)val );
464 regTmp = priv->basic_rate;
465 if (priv->short_preamble)
466 regTmp |= BRSR_AckShortPmb;
467 write_nic_dword(dev, RRSR, regTmp);
472 write_nic_dword(dev, CPU_GEN, ((u32*)(val))[0]);
482 ///////////////////////////////////////////////////////////
484 //u8 read_phy_cck(struct net_device *dev, u8 adr);
485 //u8 read_phy_ofdm(struct net_device *dev, u8 adr);
486 /* this might still called in what was the PHY rtl8185/rtl8192 common code
487 * plans are to possibilty turn it again in one common code...
489 inline void force_pci_posting(struct net_device *dev)
495 irqreturn_t rtl8192_interrupt(int irq, void *netdev);
496 //static struct net_device_stats *rtl8192_stats(struct net_device *dev);
497 void rtl8192_commit(struct net_device *dev);
498 //void rtl8192_restart(struct net_device *dev);
499 void rtl8192_restart(struct work_struct *work);
500 //void rtl8192_rq_tx_ack(struct work_struct *work);
502 void watch_dog_timer_callback(unsigned long data);
503 /****************************************************************************
504 -----------------------------PROCFS STUFF-------------------------
505 *****************************************************************************/
507 static struct proc_dir_entry *rtl8192_proc = NULL;
511 static int proc_get_stats_ap(char *page, char **start,
512 off_t offset, int count,
513 int *eof, void *data)
515 struct net_device *dev = data;
516 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
517 struct ieee80211_device *ieee = priv->ieee80211;
518 struct ieee80211_network *target;
522 list_for_each_entry(target, &ieee->network_list, list) {
524 len += snprintf(page + len, count - len,
525 "%s ", target->ssid);
527 if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
528 len += snprintf(page + len, count - len,
532 len += snprintf(page + len, count - len,
542 static int proc_get_registers(char *page, char **start,
543 off_t offset, int count,
544 int *eof, void *data)
546 struct net_device *dev = data;
547 // struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
554 /* This dump the current register page */
555 len += snprintf(page + len, count - len,
556 "\n####################page 0##################\n ");
560 //printk( "\nD: %2x> ", n);
561 len += snprintf(page + len, count - len,
564 for(i=0;i<16 && n<=max;i++,n++)
565 len += snprintf(page + len, count - len,
566 "%2x ",read_nic_byte(dev,n));
568 // printk("%2x ",read_nic_byte(dev,n));
570 len += snprintf(page + len, count - len,"\n");
571 len += snprintf(page + len, count - len,
572 "\n####################page 1##################\n ");
575 //printk( "\nD: %2x> ", n);
576 len += snprintf(page + len, count - len,
579 for(i=0;i<16 && n<=max;i++,n++)
580 len += snprintf(page + len, count - len,
581 "%2x ",read_nic_byte(dev,0x100|n));
583 // printk("%2x ",read_nic_byte(dev,n));
586 len += snprintf(page + len, count - len,
587 "\n####################page 3##################\n ");
590 //printk( "\nD: %2x> ", n);
591 len += snprintf(page + len, count - len,
594 for(i=0;i<16 && n<=max;i++,n++)
595 len += snprintf(page + len, count - len,
596 "%2x ",read_nic_byte(dev,0x300|n));
598 // printk("%2x ",read_nic_byte(dev,n));
609 static int proc_get_stats_tx(char *page, char **start,
610 off_t offset, int count,
611 int *eof, void *data)
613 struct net_device *dev = data;
614 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
618 len += snprintf(page + len, count - len,
619 "TX VI priority ok int: %lu\n"
620 // "TX VI priority error int: %lu\n"
621 "TX VO priority ok int: %lu\n"
622 // "TX VO priority error int: %lu\n"
623 "TX BE priority ok int: %lu\n"
624 // "TX BE priority error int: %lu\n"
625 "TX BK priority ok int: %lu\n"
626 // "TX BK priority error int: %lu\n"
627 "TX MANAGE priority ok int: %lu\n"
628 // "TX MANAGE priority error int: %lu\n"
629 "TX BEACON priority ok int: %lu\n"
630 "TX BEACON priority error int: %lu\n"
631 "TX CMDPKT priority ok int: %lu\n"
632 // "TX high priority ok int: %lu\n"
633 // "TX high priority failed error int: %lu\n"
634 // "TX queue resume: %lu\n"
635 "TX queue stopped?: %d\n"
636 "TX fifo overflow: %lu\n"
637 // "TX beacon: %lu\n"
638 // "TX VI queue: %d\n"
639 // "TX VO queue: %d\n"
640 // "TX BE queue: %d\n"
641 // "TX BK queue: %d\n"
642 // "TX HW queue: %d\n"
643 // "TX VI dropped: %lu\n"
644 // "TX VO dropped: %lu\n"
645 // "TX BE dropped: %lu\n"
646 // "TX BK dropped: %lu\n"
647 "TX total data packets %lu\n"
648 "TX total data bytes :%lu\n",
649 // "TX beacon aborted: %lu\n",
650 priv->stats.txviokint,
651 // priv->stats.txvierr,
652 priv->stats.txvookint,
653 // priv->stats.txvoerr,
654 priv->stats.txbeokint,
655 // priv->stats.txbeerr,
656 priv->stats.txbkokint,
657 // priv->stats.txbkerr,
658 priv->stats.txmanageokint,
659 // priv->stats.txmanageerr,
660 priv->stats.txbeaconokint,
661 priv->stats.txbeaconerr,
662 priv->stats.txcmdpktokint,
663 // priv->stats.txhpokint,
664 // priv->stats.txhperr,
665 // priv->stats.txresumed,
666 netif_queue_stopped(dev),
667 priv->stats.txoverflow,
668 // priv->stats.txbeacon,
669 // atomic_read(&(priv->tx_pending[VI_QUEUE])),
670 // atomic_read(&(priv->tx_pending[VO_QUEUE])),
671 // atomic_read(&(priv->tx_pending[BE_QUEUE])),
672 // atomic_read(&(priv->tx_pending[BK_QUEUE])),
673 // read_nic_byte(dev, TXFIFOCOUNT),
674 // priv->stats.txvidrop,
675 // priv->stats.txvodrop,
676 priv->ieee80211->stats.tx_packets,
677 priv->ieee80211->stats.tx_bytes
680 // priv->stats.txbedrop,
681 // priv->stats.txbkdrop
682 // priv->stats.txdatapkt
683 // priv->stats.txbeaconerr
692 static int proc_get_stats_rx(char *page, char **start,
693 off_t offset, int count,
694 int *eof, void *data)
696 struct net_device *dev = data;
697 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
701 len += snprintf(page + len, count - len,
704 "RX rx overflow error: %lu\n"
705 "RX invalid urb error: %lu\n",
708 priv->stats.rxoverflow,
709 priv->stats.rxurberr);
715 static void rtl8192_proc_module_init(void)
717 RT_TRACE(COMP_INIT, "Initializing proc filesystem");
718 rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
722 static void rtl8192_proc_module_remove(void)
724 remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
728 static void rtl8192_proc_remove_one(struct net_device *dev)
730 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
732 printk("dev name=======> %s\n",dev->name);
735 // remove_proc_entry("stats-hw", priv->dir_dev);
736 remove_proc_entry("stats-tx", priv->dir_dev);
737 remove_proc_entry("stats-rx", priv->dir_dev);
738 // remove_proc_entry("stats-ieee", priv->dir_dev);
739 remove_proc_entry("stats-ap", priv->dir_dev);
740 remove_proc_entry("registers", priv->dir_dev);
741 // remove_proc_entry("cck-registers",priv->dir_dev);
742 // remove_proc_entry("ofdm-registers",priv->dir_dev);
743 //remove_proc_entry(dev->name, rtl8192_proc);
744 remove_proc_entry("wlan0", rtl8192_proc);
745 priv->dir_dev = NULL;
750 static void rtl8192_proc_init_one(struct net_device *dev)
752 struct proc_dir_entry *e;
753 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
754 priv->dir_dev = create_proc_entry(dev->name,
755 S_IFDIR | S_IRUGO | S_IXUGO,
757 if (!priv->dir_dev) {
758 RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
762 e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
763 priv->dir_dev, proc_get_stats_rx, dev);
766 RT_TRACE(COMP_ERR,"Unable to initialize "
767 "/proc/net/rtl8192/%s/stats-rx\n",
772 e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
773 priv->dir_dev, proc_get_stats_tx, dev);
776 RT_TRACE(COMP_ERR, "Unable to initialize "
777 "/proc/net/rtl8192/%s/stats-tx\n",
781 e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
782 priv->dir_dev, proc_get_stats_ap, dev);
785 RT_TRACE(COMP_ERR, "Unable to initialize "
786 "/proc/net/rtl8192/%s/stats-ap\n",
790 e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
791 priv->dir_dev, proc_get_registers, dev);
793 RT_TRACE(COMP_ERR, "Unable to initialize "
794 "/proc/net/rtl8192/%s/registers\n",
798 /****************************************************************************
799 -----------------------------MISC STUFF-------------------------
800 *****************************************************************************/
802 short check_nic_enough_desc(struct net_device *dev, int prio)
804 struct r8192_priv *priv = ieee80211_priv(dev);
805 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
807 /* for now we reserve two free descriptor as a safety boundary
808 * between the tail and the head
810 if (ring->entries - skb_queue_len(&ring->queue) >= 2) {
817 static void tx_timeout(struct net_device *dev)
819 struct r8192_priv *priv = ieee80211_priv(dev);
820 //rtl8192_commit(dev);
822 schedule_work(&priv->reset_wq);
827 /****************************************************************************
828 ------------------------------HW STUFF---------------------------
829 *****************************************************************************/
832 static void rtl8192_irq_enable(struct net_device *dev)
834 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
835 priv->irq_enabled = 1;
836 write_nic_dword(dev,INTA_MASK, priv->irq_mask);
840 void rtl8192_irq_disable(struct net_device *dev)
842 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
844 write_nic_dword(dev,INTA_MASK,0);
845 force_pci_posting(dev);
846 priv->irq_enabled = 0;
851 static void rtl8192_set_mode(struct net_device *dev,int mode)
854 ecmd=read_nic_byte(dev, EPROM_CMD);
855 ecmd=ecmd &~ EPROM_CMD_OPERATING_MODE_MASK;
856 ecmd=ecmd | (mode<<EPROM_CMD_OPERATING_MODE_SHIFT);
857 ecmd=ecmd &~ (1<<EPROM_CS_SHIFT);
858 ecmd=ecmd &~ (1<<EPROM_CK_SHIFT);
859 write_nic_byte(dev, EPROM_CMD, ecmd);
863 void rtl8192_update_msr(struct net_device *dev)
865 struct r8192_priv *priv = ieee80211_priv(dev);
868 msr = read_nic_byte(dev, MSR);
869 msr &= ~ MSR_LINK_MASK;
871 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
872 * msr must be updated if the state is ASSOCIATING.
873 * this is intentional and make sense for ad-hoc and
874 * master (see the create BSS/IBSS func)
876 if (priv->ieee80211->state == IEEE80211_LINKED){
878 if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
879 msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
880 else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
881 msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
882 else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
883 msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
886 msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
888 write_nic_byte(dev, MSR, msr);
891 void rtl8192_set_chan(struct net_device *dev,short ch)
893 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
894 RT_TRACE(COMP_RF, "=====>%s()====ch:%d\n", __FUNCTION__, ch);
897 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC ||
898 priv->ieee80211->iw_mode == IW_MODE_MASTER){
900 priv->ieee80211->link_state = WLAN_LINK_ASSOCIATED;
901 priv->ieee80211->master_chan = ch;
902 rtl8192_update_beacon_ch(dev);
906 /* this hack should avoid frame TX during channel setting*/
909 // tx = read_nic_dword(dev,TX_CONF);
910 // tx &= ~TX_LOOPBACK_MASK;
914 // write_nic_dword(dev,TX_CONF, tx |( TX_LOOPBACK_MAC<<TX_LOOPBACK_SHIFT));
916 //need to implement rf set channel here WB
918 if (priv->rf_set_chan)
919 priv->rf_set_chan(dev,priv->chan);
921 // write_nic_dword(dev,TX_CONF,tx | (TX_LOOPBACK_NONE<<TX_LOOPBACK_SHIFT));
925 void rtl8192_rx_enable(struct net_device *dev)
927 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
928 write_nic_dword(dev, RDQDA,priv->rx_ring_dma);
931 /* the TX_DESC_BASE setting is according to the following queue index
940 * BEACON_QUEUE ===> 8
942 static u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
943 void rtl8192_tx_enable(struct net_device *dev)
945 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
947 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
948 write_nic_dword(dev, TX_DESC_BASE[i], priv->tx_ring[i].dma);
950 ieee80211_reset_queue(priv->ieee80211);
954 static void rtl8192_free_rx_ring(struct net_device *dev)
956 struct r8192_priv *priv = ieee80211_priv(dev);
959 for (i = 0; i < priv->rxringcount; i++) {
960 struct sk_buff *skb = priv->rx_buf[i];
964 pci_unmap_single(priv->pdev,
965 *((dma_addr_t *)skb->cb),
966 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
970 pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
971 priv->rx_ring, priv->rx_ring_dma);
972 priv->rx_ring = NULL;
975 static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
977 struct r8192_priv *priv = ieee80211_priv(dev);
978 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
980 while (skb_queue_len(&ring->queue)) {
981 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
982 struct sk_buff *skb = __skb_dequeue(&ring->queue);
984 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
985 skb->len, PCI_DMA_TODEVICE);
987 ring->idx = (ring->idx + 1) % ring->entries;
990 pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
991 ring->desc, ring->dma);
996 static void rtl8192_beacon_disable(struct net_device *dev)
998 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1001 reg = read_nic_dword(priv->ieee80211->dev,INTA_MASK);
1003 /* disable Beacon realted interrupt signal */
1004 reg &= ~(IMR_BcnInt | IMR_BcnInt | IMR_TBDOK | IMR_TBDER);
1005 write_nic_dword(priv->ieee80211->dev, INTA_MASK, reg);
1009 void PHY_SetRtl8192eRfOff(struct net_device* dev )
1011 //struct r8192_priv *priv = ieee80211_priv(dev);
1013 //disable RF-Chip A/B
1014 rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
1015 //analog to digital off, for power save
1016 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 0x0);
1017 //digital to analog off, for power save
1018 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 0x0);
1020 rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0);
1022 rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0);
1023 //analog to digital part2 off, for power save
1024 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x0);
1025 rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x4, 0x0);
1026 // Analog parameter!!Change bias and Lbus control.
1027 write_nic_byte(dev, ANAPAR_FOR_8192PciE, 0x07);
1031 void rtl8192_halt_adapter(struct net_device *dev, bool reset)
1034 struct r8192_priv *priv = ieee80211_priv(dev);
1040 OpMode = RT_OP_MODE_NO_LINK;
1041 priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode);
1044 if(!priv->ieee80211->bSupportRemoteWakeUp)
1046 u1bTmp = 0x0; // disable tx/rx. In 8185 we write 0x10 (Reset bit), but here we make reference to WMAC and wirte 0x0. 2006.11.21 Emily
1047 //priv->ieee80211->SetHwRegHandler(dev, HW_VAR_COMMAND, &u1bTmp ); // Using HW_VAR_COMMAND instead of writing CMDR directly. Rewrited by Annie, 2006-04-07.
1048 write_nic_byte(dev, CMDR, u1bTmp);
1051 cmd=read_nic_byte(dev,CMDR);
1052 write_nic_byte(dev, CMDR, cmd &~ (CR_TE|CR_RE));
1059 //PlatformStallExecution(150000);
1063 priv->bHwRfOffAction = 2;
1067 // Call MgntActSet_RF_State instead to prevent RF config race condition.
1068 // By Bruce, 2008-01-17.
1070 if(!priv->ieee80211->bSupportRemoteWakeUp)
1072 //MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_INIT);
1073 //MgntActSet_RF_State(Adapter, eRfOff, Adapter->MgntInfo.RfOffReason);
1074 //if(Adapter->HardwareType == HARDWARE_TYPE_RTL8190P)
1076 PHY_SetRtl8192eRfOff(dev);
1078 // 2006.11.30. System reset bit
1079 //priv->ieee80211->GetHwRegHandler(dev, HW_VAR_CPU_RST, (u32*)(&ulRegRead) );
1080 ulRegRead = read_nic_dword(dev,CPU_GEN);
1081 ulRegRead|=CPU_GEN_SYSTEM_RESET;
1082 //priv->ieee80211->SetHwRegHandler(dev, HW_VAR_CPU_RST, &ulRegRead);
1083 write_nic_dword(dev,CPU_GEN, ulRegRead);
1087 //2008.06.03 for WOL
1088 write_nic_dword(dev, WFCRC0, 0xffffffff);
1089 write_nic_dword(dev, WFCRC1, 0xffffffff);
1090 write_nic_dword(dev, WFCRC2, 0xffffffff);
1092 //Write PMR register
1093 write_nic_byte(dev, PMR, 0x5);
1094 //Disable tx, enanble rx
1095 write_nic_byte(dev, MacBlkCtrl, 0xa);
1099 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1100 skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
1102 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
1103 skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
1106 skb_queue_purge(&priv->skb_queue);
1111 static void rtl8192_reset(struct net_device *dev)
1113 rtl8192_irq_disable(dev);
1114 printk("This is RTL819xP Reset procedure\n");
1118 static u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540};
1119 inline u16 rtl8192_rate2rate(short rate)
1121 if (rate >11) return 0;
1122 return rtl_rate[rate];
1128 static void rtl8192_data_hard_stop(struct net_device *dev)
1132 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1133 priv->dma_poll_mask |= (1<<TX_DMA_STOP_LOWPRIORITY_SHIFT);
1134 rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
1135 write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask);
1136 rtl8192_set_mode(dev,EPROM_CMD_NORMAL);
1141 static void rtl8192_data_hard_resume(struct net_device *dev)
1145 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1146 priv->dma_poll_mask &= ~(1<<TX_DMA_STOP_LOWPRIORITY_SHIFT);
1147 rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
1148 write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask);
1149 rtl8192_set_mode(dev,EPROM_CMD_NORMAL);
1153 /* this function TX data frames when the ieee80211 stack requires this.
1154 * It checks also if we need to stop the ieee tx queue, eventually do it
1156 static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
1158 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1160 //unsigned long flags;
1161 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1162 u8 queue_index = tcb_desc->queue_index;
1163 /* shall not be referred by command packet */
1164 assert(queue_index != TXCMD_QUEUE);
1166 if((priv->bHwRadioOff == true)||(!priv->up))
1172 //spin_lock_irqsave(&priv->tx_lock,flags);
1174 memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
1176 tcb_desc->RATRIndex = 7;
1177 tcb_desc->bTxDisableRateFallBack = 1;
1178 tcb_desc->bTxUseDriverAssingedRate = 1;
1179 tcb_desc->bTxEnableFwCalcDur = 1;
1181 skb_push(skb, priv->ieee80211->tx_headroom);
1182 ret = rtl8192_tx(dev, skb);
1188 if(queue_index!=MGNT_QUEUE) {
1189 priv->ieee80211->stats.tx_bytes+=(skb->len - priv->ieee80211->tx_headroom);
1190 priv->ieee80211->stats.tx_packets++;
1193 //spin_unlock_irqrestore(&priv->tx_lock,flags);
1199 /* This is a rough attempt to TX a frame
1200 * This is called by the ieee 80211 stack to TX management frames.
1201 * If the ring is full packet are dropped (for data frame the queue
1202 * is stopped before this can happen).
1204 static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
1206 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1210 //unsigned long flags;
1211 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1212 u8 queue_index = tcb_desc->queue_index;
1214 if(queue_index != TXCMD_QUEUE){
1215 if((priv->bHwRadioOff == true)||(!priv->up))
1222 //spin_lock_irqsave(&priv->tx_lock,flags);
1224 memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
1225 if(queue_index == TXCMD_QUEUE) {
1226 // skb_push(skb, USB_HWDESC_HEADER_LEN);
1227 rtl819xE_tx_cmd(dev, skb);
1229 //spin_unlock_irqrestore(&priv->tx_lock,flags);
1232 // RT_TRACE(COMP_SEND, "To send management packet\n");
1233 tcb_desc->RATRIndex = 7;
1234 tcb_desc->bTxDisableRateFallBack = 1;
1235 tcb_desc->bTxUseDriverAssingedRate = 1;
1236 tcb_desc->bTxEnableFwCalcDur = 1;
1237 skb_push(skb, priv->ieee80211->tx_headroom);
1238 ret = rtl8192_tx(dev, skb);
1244 // priv->ieee80211->stats.tx_bytes+=skb->len;
1245 // priv->ieee80211->stats.tx_packets++;
1247 //spin_unlock_irqrestore(&priv->tx_lock,flags);
1254 void rtl8192_try_wake_queue(struct net_device *dev, int pri);
1256 static void rtl8192_tx_isr(struct net_device *dev, int prio)
1258 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1260 struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
1262 while (skb_queue_len(&ring->queue)) {
1263 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1264 struct sk_buff *skb;
1266 /* beacon packet will only use the first descriptor defaultly,
1267 * and the OWN may not be cleared by the hardware
1269 if(prio != BEACON_QUEUE) {
1272 ring->idx = (ring->idx + 1) % ring->entries;
1275 skb = __skb_dequeue(&ring->queue);
1276 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1277 skb->len, PCI_DMA_TODEVICE);
1281 if (prio == MGNT_QUEUE){
1282 if (priv->ieee80211->ack_tx_to_ieee){
1283 if (rtl8192_is_tx_queue_empty(dev)){
1284 priv->ieee80211->ack_tx_to_ieee = 0;
1285 ieee80211_ps_tx_ack(priv->ieee80211, 1);
1290 if(prio != BEACON_QUEUE) {
1291 /* try to deal with the pending packets */
1292 tasklet_schedule(&priv->irq_tx_tasklet);
1297 static void rtl8192_stop_beacon(struct net_device *dev)
1299 //rtl8192_beacon_disable(dev);
1302 static void rtl8192_config_rate(struct net_device* dev, u16* rate_config)
1304 struct r8192_priv *priv = ieee80211_priv(dev);
1305 struct ieee80211_network *net;
1306 u8 i=0, basic_rate = 0;
1307 net = & priv->ieee80211->current_network;
1309 for (i=0; i<net->rates_len; i++)
1311 basic_rate = net->rates[i]&0x7f;
1314 case MGN_1M: *rate_config |= RRSR_1M; break;
1315 case MGN_2M: *rate_config |= RRSR_2M; break;
1316 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
1317 case MGN_11M: *rate_config |= RRSR_11M; break;
1318 case MGN_6M: *rate_config |= RRSR_6M; break;
1319 case MGN_9M: *rate_config |= RRSR_9M; break;
1320 case MGN_12M: *rate_config |= RRSR_12M; break;
1321 case MGN_18M: *rate_config |= RRSR_18M; break;
1322 case MGN_24M: *rate_config |= RRSR_24M; break;
1323 case MGN_36M: *rate_config |= RRSR_36M; break;
1324 case MGN_48M: *rate_config |= RRSR_48M; break;
1325 case MGN_54M: *rate_config |= RRSR_54M; break;
1328 for (i=0; i<net->rates_ex_len; i++)
1330 basic_rate = net->rates_ex[i]&0x7f;
1333 case MGN_1M: *rate_config |= RRSR_1M; break;
1334 case MGN_2M: *rate_config |= RRSR_2M; break;
1335 case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
1336 case MGN_11M: *rate_config |= RRSR_11M; break;
1337 case MGN_6M: *rate_config |= RRSR_6M; break;
1338 case MGN_9M: *rate_config |= RRSR_9M; break;
1339 case MGN_12M: *rate_config |= RRSR_12M; break;
1340 case MGN_18M: *rate_config |= RRSR_18M; break;
1341 case MGN_24M: *rate_config |= RRSR_24M; break;
1342 case MGN_36M: *rate_config |= RRSR_36M; break;
1343 case MGN_48M: *rate_config |= RRSR_48M; break;
1344 case MGN_54M: *rate_config |= RRSR_54M; break;
1350 #define SHORT_SLOT_TIME 9
1351 #define NON_SHORT_SLOT_TIME 20
1353 static void rtl8192_update_cap(struct net_device* dev, u16 cap)
1356 struct r8192_priv *priv = ieee80211_priv(dev);
1357 struct ieee80211_network *net = &priv->ieee80211->current_network;
1358 priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
1359 tmp = priv->basic_rate;
1360 if (priv->short_preamble)
1361 tmp |= BRSR_AckShortPmb;
1362 write_nic_dword(dev, RRSR, tmp);
1364 if (net->mode & (IEEE_G|IEEE_N_24G))
1367 if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
1369 slot_time = SHORT_SLOT_TIME;
1371 else //long slot time
1372 slot_time = NON_SHORT_SLOT_TIME;
1373 priv->slot_time = slot_time;
1374 write_nic_byte(dev, SLOT_TIME, slot_time);
1379 static void rtl8192_net_update(struct net_device *dev)
1382 struct r8192_priv *priv = ieee80211_priv(dev);
1383 struct ieee80211_network *net;
1384 u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
1385 u16 rate_config = 0;
1386 net = &priv->ieee80211->current_network;
1387 //update Basic rate: RR, BRSR
1388 rtl8192_config_rate(dev, &rate_config);
1389 // 2007.01.16, by Emily
1390 // Select RRSR (in Legacy-OFDM and CCK)
1391 // For 8190, we select only 24M, 12M, 6M, 11M, 5.5M, 2M, and 1M from the Basic rate.
1392 // We do not use other rates.
1393 priv->basic_rate = rate_config &= 0x15f;
1395 write_nic_dword(dev,BSSIDR,((u32*)net->bssid)[0]);
1396 write_nic_word(dev,BSSIDR+4,((u16*)net->bssid)[2]);
1399 rtl8192_update_msr(dev);
1403 // rtl8192_update_cap(dev, net->capability);
1404 if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
1406 write_nic_word(dev, ATIMWND, 2);
1407 write_nic_word(dev, BCN_DMATIME, 256);
1408 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
1409 // write_nic_word(dev, BcnIntTime, 100);
1410 //BIT15 of BCN_DRV_EARLY_INT will indicate whether software beacon or hw beacon is applied.
1411 write_nic_word(dev, BCN_DRV_EARLY_INT, 10);
1412 write_nic_byte(dev, BCN_ERR_THRESH, 100);
1414 BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
1415 // TODO: BcnIFS may required to be changed on ASIC
1416 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
1418 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
1424 void rtl819xE_tx_cmd(struct net_device *dev, struct sk_buff *skb)
1426 struct r8192_priv *priv = ieee80211_priv(dev);
1427 struct rtl8192_tx_ring *ring;
1428 tx_desc_819x_pci *entry;
1432 unsigned long flags;
1434 ring = &priv->tx_ring[TXCMD_QUEUE];
1435 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1437 spin_lock_irqsave(&priv->irq_th_lock,flags);
1438 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1439 entry = &ring->desc[idx];
1441 tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1443 entry->LINIP = tcb_desc->bLastIniPkt;
1444 entry->FirstSeg = 1;//first segment
1445 entry->LastSeg = 1; //last segment
1446 if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
1447 entry->CmdInit = DESC_PACKET_TYPE_INIT;
1449 entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
1450 entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
1451 entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
1452 entry->QueueSelect = QSLT_CMD;
1453 entry->TxFWInfoSize = 0x08;
1454 entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
1456 entry->TxBufferSize = skb->len;
1457 entry->TxBuffAddr = cpu_to_le32(mapping);
1460 #ifdef JOHN_DUMP_TXDESC
1462 tx_desc_819x_pci *entry1 = &ring->desc[0];
1463 unsigned int *ptr= (unsigned int *)entry1;
1464 printk("<Tx descriptor>:\n");
1465 for (i = 0; i < 8; i++)
1466 printk("%8x ", ptr[i]);
1470 __skb_queue_tail(&ring->queue, skb);
1471 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1473 write_nic_byte(dev, TPPoll, TPPoll_CQ);
1479 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1480 * in TxFwInfo data structure
1481 * 2006.10.30 by Emily
1483 * \param QUEUEID Software Queue
1485 static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
1487 u8 QueueSelect = 0x0; //defualt set to
1491 QueueSelect = QSLT_BE; //or QSelect = pTcb->priority;
1495 QueueSelect = QSLT_BK; //or QSelect = pTcb->priority;
1499 QueueSelect = QSLT_VO; //or QSelect = pTcb->priority;
1503 QueueSelect = QSLT_VI; //or QSelect = pTcb->priority;
1506 QueueSelect = QSLT_MGNT;
1510 QueueSelect = QSLT_BEACON;
1513 // TODO: 2006.10.30 mark other queue selection until we verify it is OK
1514 // TODO: Remove Assertions
1515 //#if (RTL819X_FPGA_VER & RTL819X_FPGA_GUANGAN_070502)
1517 QueueSelect = QSLT_CMD;
1521 //QueueSelect = QSLT_HIGH;
1525 RT_TRACE(COMP_ERR, "TransmitTCB(): Impossible Queue Selection: %d \n", QueueID);
1531 static u8 MRateToHwRate8190Pci(u8 rate)
1533 u8 ret = DESC90_RATE1M;
1536 case MGN_1M: ret = DESC90_RATE1M; break;
1537 case MGN_2M: ret = DESC90_RATE2M; break;
1538 case MGN_5_5M: ret = DESC90_RATE5_5M; break;
1539 case MGN_11M: ret = DESC90_RATE11M; break;
1540 case MGN_6M: ret = DESC90_RATE6M; break;
1541 case MGN_9M: ret = DESC90_RATE9M; break;
1542 case MGN_12M: ret = DESC90_RATE12M; break;
1543 case MGN_18M: ret = DESC90_RATE18M; break;
1544 case MGN_24M: ret = DESC90_RATE24M; break;
1545 case MGN_36M: ret = DESC90_RATE36M; break;
1546 case MGN_48M: ret = DESC90_RATE48M; break;
1547 case MGN_54M: ret = DESC90_RATE54M; break;
1549 // HT rate since here
1550 case MGN_MCS0: ret = DESC90_RATEMCS0; break;
1551 case MGN_MCS1: ret = DESC90_RATEMCS1; break;
1552 case MGN_MCS2: ret = DESC90_RATEMCS2; break;
1553 case MGN_MCS3: ret = DESC90_RATEMCS3; break;
1554 case MGN_MCS4: ret = DESC90_RATEMCS4; break;
1555 case MGN_MCS5: ret = DESC90_RATEMCS5; break;
1556 case MGN_MCS6: ret = DESC90_RATEMCS6; break;
1557 case MGN_MCS7: ret = DESC90_RATEMCS7; break;
1558 case MGN_MCS8: ret = DESC90_RATEMCS8; break;
1559 case MGN_MCS9: ret = DESC90_RATEMCS9; break;
1560 case MGN_MCS10: ret = DESC90_RATEMCS10; break;
1561 case MGN_MCS11: ret = DESC90_RATEMCS11; break;
1562 case MGN_MCS12: ret = DESC90_RATEMCS12; break;
1563 case MGN_MCS13: ret = DESC90_RATEMCS13; break;
1564 case MGN_MCS14: ret = DESC90_RATEMCS14; break;
1565 case MGN_MCS15: ret = DESC90_RATEMCS15; break;
1566 case (0x80|0x20): ret = DESC90_RATEMCS32; break;
1574 static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
1578 tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
1580 if(TxHT==1 && TxRate != DESC90_RATEMCS15)
1587 * The tx procedure is just as following,
1588 * skb->cb will contain all the following information,
1589 * priority, morefrag, rate, &dev.
1591 short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
1593 struct r8192_priv *priv = ieee80211_priv(dev);
1594 struct rtl8192_tx_ring *ring;
1595 unsigned long flags;
1596 cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
1597 tx_desc_819x_pci *pdesc = NULL;
1598 TX_FWINFO_8190PCI *pTxFwInfo = NULL;
1600 bool multi_addr=false,broad_addr=false,uni_addr=false;
1601 u8* pda_addr = NULL;
1604 if(priv->bdisable_nic){
1605 RT_TRACE(COMP_ERR,"%s: ERR!! Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n", __FUNCTION__, skb->len, tcb_desc->queue_index);
1610 priv->ieee80211->bAwakePktSent = true;
1613 mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
1614 /* collect the tx packets statitcs */
1615 pda_addr = ((u8*)skb->data) + sizeof(TX_FWINFO_8190PCI);
1616 if(is_multicast_ether_addr(pda_addr))
1618 else if(is_broadcast_ether_addr(pda_addr))
1624 priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1626 priv->stats.txbytesmulticast +=(u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1628 priv->stats.txbytesbroadcast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
1630 /* fill tx firmware */
1631 pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
1632 memset(pTxFwInfo,0,sizeof(TX_FWINFO_8190PCI));
1633 pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80)?1:0;
1634 pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
1635 pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
1636 pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
1638 /* Aggregation related */
1639 if(tcb_desc->bAMPDUEnable) {
1640 pTxFwInfo->AllowAggregation = 1;
1641 pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
1642 pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
1644 pTxFwInfo->AllowAggregation = 0;
1645 pTxFwInfo->RxMF = 0;
1646 pTxFwInfo->RxAMD = 0;
1650 // Protection mode related
1652 pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable)?1:0;
1653 pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable)?1:0;
1654 pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC)?1:0;
1655 pTxFwInfo->RtsHT= (tcb_desc->rts_rate&0x80)?1:0;
1656 pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
1657 pTxFwInfo->RtsBandwidth = 0;
1658 pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
1659 pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT==0)?(tcb_desc->bRTSUseShortPreamble?1:0):(tcb_desc->bRTSUseShortGI?1:0);
1661 // Set Bandwidth and sub-channel settings.
1663 if(priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40)
1665 if(tcb_desc->bPacketBW)
1667 pTxFwInfo->TxBandwidth = 1;
1669 pTxFwInfo->TxSubCarrier = 3;
1671 pTxFwInfo->TxSubCarrier = 0; //By SD3's Jerry suggestion, use duplicated mode, cosa 04012008
1676 pTxFwInfo->TxBandwidth = 0;
1677 pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
1680 pTxFwInfo->TxBandwidth = 0;
1681 pTxFwInfo->TxSubCarrier = 0;
1686 /* 2007/07/25 MH Copy current TX FW info.*/
1687 memcpy((void*)(&Tmp_TxFwInfo), (void*)(pTxFwInfo), sizeof(TX_FWINFO_8190PCI));
1688 printk("&&&&&&&&&&&&&&&&&&&&&&====>print out fwinf\n");
1689 printk("===>enable fwcacl:%d\n", Tmp_TxFwInfo.EnableCPUDur);
1690 printk("===>RTS STBC:%d\n", Tmp_TxFwInfo.RtsSTBC);
1691 printk("===>RTS Subcarrier:%d\n", Tmp_TxFwInfo.RtsSubcarrier);
1692 printk("===>Allow Aggregation:%d\n", Tmp_TxFwInfo.AllowAggregation);
1693 printk("===>TX HT bit:%d\n", Tmp_TxFwInfo.TxHT);
1694 printk("===>Tx rate:%d\n", Tmp_TxFwInfo.TxRate);
1695 printk("===>Received AMPDU Density:%d\n", Tmp_TxFwInfo.RxAMD);
1696 printk("===>Received MPDU Factor:%d\n", Tmp_TxFwInfo.RxMF);
1697 printk("===>TxBandwidth:%d\n", Tmp_TxFwInfo.TxBandwidth);
1698 printk("===>TxSubCarrier:%d\n", Tmp_TxFwInfo.TxSubCarrier);
1700 printk("<=====**********************out of print\n");
1703 spin_lock_irqsave(&priv->irq_th_lock,flags);
1704 ring = &priv->tx_ring[tcb_desc->queue_index];
1705 if (tcb_desc->queue_index != BEACON_QUEUE) {
1706 idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
1711 pdesc = &ring->desc[idx];
1712 if((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
1713 RT_TRACE(COMP_ERR,"No more TX desc@%d, ring->idx = %d,idx = %d,%x", \
1714 tcb_desc->queue_index,ring->idx, idx,skb->len);
1715 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1719 /* fill tx descriptor */
1720 memset((u8*)pdesc,0,12);
1724 pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; //We must add 8!! Emily
1725 pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
1729 pdesc->RATid = tcb_desc->RATRIndex;
1733 pdesc->SecType = 0x0;
1734 if (tcb_desc->bHwSec) {
1737 printk("==>================hw sec\n");
1740 switch (priv->ieee80211->pairwise_key_type) {
1741 case KEY_TYPE_WEP40:
1742 case KEY_TYPE_WEP104:
1743 pdesc->SecType = 0x1;
1747 pdesc->SecType = 0x2;
1751 pdesc->SecType = 0x3;
1755 pdesc->SecType = 0x0;
1766 pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
1767 pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
1769 pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
1770 pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
1774 pdesc->TxBufferSize = skb->len;
1776 pdesc->TxBuffAddr = cpu_to_le32(mapping);
1777 __skb_queue_tail(&ring->queue, skb);
1779 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
1780 dev->trans_start = jiffies;
1781 write_nic_word(dev,TPPoll,0x01<<tcb_desc->queue_index);
1785 static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
1787 struct r8192_priv *priv = ieee80211_priv(dev);
1788 rx_desc_819x_pci *entry = NULL;
1791 priv->rx_ring = pci_alloc_consistent(priv->pdev,
1792 sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
1794 if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
1795 RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
1799 memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
1802 for (i = 0; i < priv->rxringcount; i++) {
1803 struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
1804 dma_addr_t *mapping;
1805 entry = &priv->rx_ring[i];
1808 priv->rx_buf[i] = skb;
1809 mapping = (dma_addr_t *)skb->cb;
1810 *mapping = pci_map_single(priv->pdev, skb->tail,//skb_tail_pointer(skb),
1811 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
1813 entry->BufferAddress = cpu_to_le32(*mapping);
1815 entry->Length = priv->rxbuffersize;
1823 static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
1824 unsigned int prio, unsigned int entries)
1826 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
1827 tx_desc_819x_pci *ring;
1831 ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
1832 if (!ring || (unsigned long)ring & 0xFF) {
1833 RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
1837 memset(ring, 0, sizeof(*ring)*entries);
1838 priv->tx_ring[prio].desc = ring;
1839 priv->tx_ring[prio].dma = dma;
1840 priv->tx_ring[prio].idx = 0;
1841 priv->tx_ring[prio].entries = entries;
1842 skb_queue_head_init(&priv->tx_ring[prio].queue);
1844 for (i = 0; i < entries; i++)
1845 ring[i].NextDescAddress =
1846 cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
1852 static short rtl8192_pci_initdescring(struct net_device *dev)
1856 struct r8192_priv *priv = ieee80211_priv(dev);
1858 ret = rtl8192_alloc_rx_desc_ring(dev);
1864 /* general process for other queue */
1865 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1866 if ((ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount)))
1867 goto err_free_rings;
1871 /* specific process for hardware beacon process */
1872 if ((ret = rtl8192_alloc_tx_desc_ring(dev, MAX_TX_QUEUE_COUNT - 1, 2)))
1873 goto err_free_rings;
1879 rtl8192_free_rx_ring(dev);
1880 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
1881 if (priv->tx_ring[i].desc)
1882 rtl8192_free_tx_ring(dev, i);
1886 static void rtl8192_pci_resetdescring(struct net_device *dev)
1888 struct r8192_priv *priv = ieee80211_priv(dev);
1891 /* force the rx_idx to the first one */
1893 rx_desc_819x_pci *entry = NULL;
1894 for (i = 0; i < priv->rxringcount; i++) {
1895 entry = &priv->rx_ring[i];
1901 /* after reset, release previous pending packet, and force the
1902 * tx idx to the first one */
1903 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
1904 if (priv->tx_ring[i].desc) {
1905 struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
1907 while (skb_queue_len(&ring->queue)) {
1908 tx_desc_819x_pci *entry = &ring->desc[ring->idx];
1909 struct sk_buff *skb = __skb_dequeue(&ring->queue);
1911 pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
1912 skb->len, PCI_DMA_TODEVICE);
1914 ring->idx = (ring->idx + 1) % ring->entries;
1922 extern void rtl8192_update_ratr_table(struct net_device* dev);
1923 static void rtl8192_link_change(struct net_device *dev)
1927 struct r8192_priv *priv = ieee80211_priv(dev);
1928 struct ieee80211_device* ieee = priv->ieee80211;
1929 //write_nic_word(dev, BCN_INTR_ITV, net->beacon_interval);
1930 if (ieee->state == IEEE80211_LINKED)
1932 rtl8192_net_update(dev);
1933 rtl8192_update_ratr_table(dev);
1935 //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
1936 if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
1937 EnableHWSecurityConfig8192(dev);
1942 write_nic_byte(dev, 0x173, 0);
1944 /*update timing params*/
1945 //rtl8192_set_chan(dev, priv->chan);
1947 rtl8192_update_msr(dev);
1949 // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1950 // // To set CBSSID bit when link with any AP or STA.
1951 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
1954 reg = read_nic_dword(dev, RCR);
1955 if (priv->ieee80211->state == IEEE80211_LINKED)
1956 priv->ReceiveConfig = reg |= RCR_CBSSID;
1958 priv->ReceiveConfig = reg &= ~RCR_CBSSID;
1959 write_nic_dword(dev, RCR, reg);
1965 static struct ieee80211_qos_parameters def_qos_parameters = {
1966 {3,3,3,3},/* cw_min */
1967 {7,7,7,7},/* cw_max */
1968 {2,2,2,2},/* aifs */
1969 {0,0,0,0},/* flags */
1970 {0,0,0,0} /* tx_op_limit */
1973 static void rtl8192_update_beacon(struct work_struct * work)
1975 struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
1976 struct net_device *dev = priv->ieee80211->dev;
1977 struct ieee80211_device* ieee = priv->ieee80211;
1978 struct ieee80211_network* net = &ieee->current_network;
1980 if (ieee->pHTInfo->bCurrentHTSupport)
1981 HTUpdateSelfAndPeerSetting(ieee, net);
1982 ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
1983 rtl8192_update_cap(dev, net->capability);
1986 * background support to run QoS activate functionality
1988 static int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
1989 static void rtl8192_qos_activate(struct work_struct * work)
1991 struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
1992 struct net_device *dev = priv->ieee80211->dev;
1993 struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
1994 u8 mode = priv->ieee80211->current_network.mode;
1995 // u32 size = sizeof(struct ieee80211_qos_parameters);
2000 mutex_lock(&priv->mutex);
2001 if(priv->ieee80211->state != IEEE80211_LINKED)
2003 RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
2004 /* It better set slot time at first */
2005 /* For we just support b/g mode at present, let the slot time at 9/20 selection */
2006 /* update the ac parameter to related registers */
2007 for(i = 0; i < QOS_QUEUE_NUM; i++) {
2008 //Mode G/A: slotTimeTimer = 9; Mode B: 20
2009 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
2010 u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
2011 (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
2012 (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
2013 ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
2014 //printk("===>u4bAcParam:%x, ", u4bAcParam);
2015 write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
2016 //write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
2020 mutex_unlock(&priv->mutex);
2023 static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
2025 struct ieee80211_network *network)
2028 u32 size = sizeof(struct ieee80211_qos_parameters);
2030 if(priv->ieee80211->state !=IEEE80211_LINKED)
2033 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
2036 if (network->flags & NETWORK_HAS_QOS_MASK) {
2037 if (active_network &&
2038 (network->flags & NETWORK_HAS_QOS_PARAMETERS))
2039 network->qos_data.active = network->qos_data.supported;
2041 if ((network->qos_data.active == 1) && (active_network == 1) &&
2042 (network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
2043 (network->qos_data.old_param_count !=
2044 network->qos_data.param_count)) {
2045 network->qos_data.old_param_count =
2046 network->qos_data.param_count;
2047 queue_work(priv->priv_wq, &priv->qos_activate);
2048 RT_TRACE (COMP_QOS, "QoS parameters change call "
2052 memcpy(&priv->ieee80211->current_network.qos_data.parameters,\
2053 &def_qos_parameters, size);
2055 if ((network->qos_data.active == 1) && (active_network == 1)) {
2056 queue_work(priv->priv_wq, &priv->qos_activate);
2057 RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
2059 network->qos_data.active = 0;
2060 network->qos_data.supported = 0;
2066 /* handle manage frame frame beacon and probe response */
2067 static int rtl8192_handle_beacon(struct net_device * dev,
2068 struct ieee80211_beacon * beacon,
2069 struct ieee80211_network * network)
2071 struct r8192_priv *priv = ieee80211_priv(dev);
2073 rtl8192_qos_handle_probe_response(priv,1,network);
2075 queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
2081 * handling the beaconing responses. if we get different QoS setting
2082 * off the network from the associated setting, adjust the QoS
2085 static int rtl8192_qos_association_resp(struct r8192_priv *priv,
2086 struct ieee80211_network *network)
2089 unsigned long flags;
2090 u32 size = sizeof(struct ieee80211_qos_parameters);
2091 int set_qos_param = 0;
2093 if ((priv == NULL) || (network == NULL))
2096 if(priv->ieee80211->state !=IEEE80211_LINKED)
2099 if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
2102 spin_lock_irqsave(&priv->ieee80211->lock, flags);
2103 if(network->flags & NETWORK_HAS_QOS_PARAMETERS) {
2104 memcpy(&priv->ieee80211->current_network.qos_data.parameters,\
2105 &network->qos_data.parameters,\
2106 sizeof(struct ieee80211_qos_parameters));
2107 priv->ieee80211->current_network.qos_data.active = 1;
2109 if((priv->ieee80211->current_network.qos_data.param_count != \
2110 network->qos_data.param_count))
2114 /* update qos parameter for current network */
2115 priv->ieee80211->current_network.qos_data.old_param_count = \
2116 priv->ieee80211->current_network.qos_data.param_count;
2117 priv->ieee80211->current_network.qos_data.param_count = \
2118 network->qos_data.param_count;
2121 memcpy(&priv->ieee80211->current_network.qos_data.parameters,\
2122 &def_qos_parameters, size);
2123 priv->ieee80211->current_network.qos_data.active = 0;
2124 priv->ieee80211->current_network.qos_data.supported = 0;
2128 spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
2130 RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n",__FUNCTION__,network->flags ,priv->ieee80211->current_network.qos_data.active);
2131 if (set_qos_param == 1)
2132 queue_work(priv->priv_wq, &priv->qos_activate);
2138 static int rtl8192_handle_assoc_response(struct net_device *dev,
2139 struct ieee80211_assoc_response_frame *resp,
2140 struct ieee80211_network *network)
2142 struct r8192_priv *priv = ieee80211_priv(dev);
2143 rtl8192_qos_association_resp(priv, network);
2148 //updateRATRTabel for MCS only. Basic rate is not implement.
2149 void rtl8192_update_ratr_table(struct net_device* dev)
2150 // POCTET_STRING posLegacyRate,
2152 // PRT_WLAN_STA pEntry)
2154 struct r8192_priv* priv = ieee80211_priv(dev);
2155 struct ieee80211_device* ieee = priv->ieee80211;
2156 u8* pMcsRate = ieee->dot11HTOperationalRateSet;
2157 //struct ieee80211_network *net = &ieee->current_network;
2161 rtl8192_config_rate(dev, (u16*)(&ratr_value));
2162 ratr_value |= (*(u16*)(pMcsRate)) << 12;
2163 // switch (net->mode)
2167 ratr_value &= 0x00000FF0;
2170 ratr_value &= 0x0000000F;
2173 ratr_value &= 0x00000FF7;
2177 if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
2178 ratr_value &= 0x0007F007;
2180 if (priv->rf_type == RF_1T2R)
2181 ratr_value &= 0x000FF007;
2183 ratr_value &= 0x0F81F007;
2189 ratr_value &= 0x0FFFFFFF;
2190 if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
2191 ratr_value |= 0x80000000;
2192 }else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
2193 ratr_value |= 0x80000000;
2195 write_nic_dword(dev, RATR0+rate_index*4, ratr_value);
2196 write_nic_byte(dev, UFWP, 1);
2200 static u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
2201 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
2204 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
2208 struct r8192_priv *priv = ieee80211_priv(dev);
2209 struct ieee80211_device *ieee = priv->ieee80211;
2210 if (ieee->rtllib_ap_sec_type &&
2211 (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
2217 struct r8192_priv* priv = ieee80211_priv(dev);
2218 struct ieee80211_device* ieee = priv->ieee80211;
2219 int wpa_ie_len= ieee->wpa_ie_len;
2220 struct ieee80211_crypt_data* crypt;
2223 crypt = ieee->crypt[ieee->tx_keyidx];
2224 encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) || (ieee->host_encrypt && crypt && crypt->ops && (0 == strcmp(crypt->ops->name,"WEP")));
2227 if(encrypt && (wpa_ie_len == 0)) {
2228 /* wep encryption, no N mode setting */
2230 // } else if((wpa_ie_len != 0)&&(memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) {
2231 } else if((wpa_ie_len != 0)) {
2232 /* parse pairwise key type */
2233 //if((pairwisekey = WEP40)||(pairwisekey = WEP104)||(pairwisekey = TKIP))
2234 if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
2239 //RT_TRACE(COMP_ERR,"In %s The GroupEncAlgorithm is [4]\n",__FUNCTION__ );
2247 static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
2249 struct ieee80211_device* ieee = priv->ieee80211;
2250 //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
2251 if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
2253 memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
2254 //RT_DEBUG_DATA(COMP_INIT, ieee->RegHTSuppRateSet, 16);
2255 //RT_DEBUG_DATA(COMP_INIT, ieee->Regdot11HTOperationalRateSet, 16);
2258 memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
2262 static u8 rtl8192_getSupportedWireleeMode(struct net_device*dev)
2264 struct r8192_priv *priv = ieee80211_priv(dev);
2266 switch(priv->rf_chip)
2271 ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
2274 ret = (WIRELESS_MODE_A|WIRELESS_MODE_N_5G);
2277 ret = WIRELESS_MODE_B;
2283 static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
2285 struct r8192_priv *priv = ieee80211_priv(dev);
2286 u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
2289 if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
2291 if(bSupportMode & WIRELESS_MODE_N_24G)
2293 wireless_mode = WIRELESS_MODE_N_24G;
2295 else if(bSupportMode & WIRELESS_MODE_N_5G)
2297 wireless_mode = WIRELESS_MODE_N_5G;
2299 else if((bSupportMode & WIRELESS_MODE_A))
2301 wireless_mode = WIRELESS_MODE_A;
2303 else if((bSupportMode & WIRELESS_MODE_G))
2305 wireless_mode = WIRELESS_MODE_G;
2307 else if((bSupportMode & WIRELESS_MODE_B))
2309 wireless_mode = WIRELESS_MODE_B;
2312 RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
2313 wireless_mode = WIRELESS_MODE_B;
2316 #ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we should wait for FPGA
2317 ActUpdateChannelAccessSetting( pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting );
2319 priv->ieee80211->mode = wireless_mode;
2321 if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
2322 priv->ieee80211->pHTInfo->bEnableHT = 1;
2324 priv->ieee80211->pHTInfo->bEnableHT = 0;
2325 RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
2326 rtl8192_refresh_supportrate(priv);
2330 //init priv variables here
2332 static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
2335 struct r8192_priv* priv = ieee80211_priv(dev);
2336 struct ieee80211_device* ieee = priv->ieee80211;
2338 if(ieee->bHalfWirelessN24GMode == true)
2346 short rtl8192_is_tx_queue_empty(struct net_device *dev)
2349 struct r8192_priv *priv = ieee80211_priv(dev);
2350 for (i=0; i<=MGNT_QUEUE; i++)
2352 if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
2354 if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
2355 printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
2361 static void rtl8192_hw_sleep_down(struct net_device *dev)
2363 struct r8192_priv *priv = ieee80211_priv(dev);
2364 unsigned long flags = 0;
2366 spin_lock_irqsave(&priv->rf_ps_lock,flags);
2367 if (priv->RFChangeInProgress) {
2368 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
2369 RT_TRACE(COMP_RF, "rtl8192_hw_sleep_down(): RF Change in progress! \n");
2370 printk("rtl8192_hw_sleep_down(): RF Change in progress!\n");
2373 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
2374 //RT_TRACE(COMP_PS, "%s()============>come to sleep down\n", __FUNCTION__);
2376 MgntActSet_RF_State(dev, eRfSleep, RF_CHANGE_BY_PS);
2378 static void rtl8192_hw_sleep_wq (struct work_struct *work)
2380 // struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
2381 // struct ieee80211_device * ieee = (struct ieee80211_device*)
2382 // container_of(work, struct ieee80211_device, watch_dog_wq);
2383 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
2384 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq);
2385 struct net_device *dev = ieee->dev;
2387 rtl8192_hw_sleep_down(dev);
2390 static void rtl8192_hw_wakeup(struct net_device* dev)
2392 struct r8192_priv *priv = ieee80211_priv(dev);
2393 unsigned long flags = 0;
2395 spin_lock_irqsave(&priv->rf_ps_lock,flags);
2396 if (priv->RFChangeInProgress) {
2397 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
2398 RT_TRACE(COMP_RF, "rtl8192_hw_wakeup(): RF Change in progress! \n");
2399 printk("rtl8192_hw_wakeup(): RF Change in progress! schedule wake up task again\n");
2400 queue_delayed_work(priv->ieee80211->wq,&priv->ieee80211->hw_wakeup_wq,MSECS(10));//PowerSave is not supported if kernel version is below 2.6.20
2403 spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
2405 //RT_TRACE(COMP_PS, "%s()============>come to wake up\n", __FUNCTION__);
2406 MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_PS);
2409 void rtl8192_hw_wakeup_wq (struct work_struct *work)
2411 // struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
2412 // struct ieee80211_device * ieee = (struct ieee80211_device*)
2413 // container_of(work, struct ieee80211_device, watch_dog_wq);
2414 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
2415 struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
2416 struct net_device *dev = ieee->dev;
2417 rtl8192_hw_wakeup(dev);
2421 #define MIN_SLEEP_TIME 50
2422 #define MAX_SLEEP_TIME 10000
2423 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
2425 struct r8192_priv *priv = ieee80211_priv(dev);
2428 unsigned long flags;
2430 spin_lock_irqsave(&priv->ps_lock,flags);
2432 // Writing HW register with 0 equals to disable
2433 // the timer, that is not really what we want
2435 tl -= MSECS(8+16+7);
2437 // If the interval in witch we are requested to sleep is too
2438 // short then give up and remain awake
2439 // when we sleep after send null frame, the timer will be too short to sleep.
2441 if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
2442 ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
2443 spin_unlock_irqrestore(&priv->ps_lock,flags);
2444 printk("too short to sleep::%x, %x, %lx\n",tl, rb, MSECS(MIN_SLEEP_TIME));
2448 if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
2449 ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
2450 ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
2451 printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME));
2452 spin_unlock_irqrestore(&priv->ps_lock,flags);
2456 u32 tmp = (tl>rb)?(tl-rb):(rb-tl);
2457 queue_delayed_work(priv->ieee80211->wq,
2458 &priv->ieee80211->hw_wakeup_wq,tmp);
2459 //PowerSave not supported when kernel version less 2.6.20
2461 queue_delayed_work(priv->ieee80211->wq,
2462 (void *)&priv->ieee80211->hw_sleep_wq,0);
2463 spin_unlock_irqrestore(&priv->ps_lock,flags);
2466 static void rtl8192_init_priv_variable(struct net_device* dev)
2468 struct r8192_priv *priv = ieee80211_priv(dev);
2470 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
2472 // Default Halt the NIC if RF is OFF.
2473 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
2474 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
2475 pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
2476 pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
2477 pPSC->bLeisurePs = true;
2478 pPSC->RegMaxLPSAwakeIntvl = 5;
2479 priv->bHwRadioOff = false;
2481 priv->being_init_adapter = false;
2482 priv->txbuffsize = 1600;//1024;
2483 priv->txfwbuffersize = 4096;
2484 priv->txringcount = 64;//32;
2485 //priv->txbeaconcount = priv->txringcount;
2486 priv->txbeaconcount = 2;
2487 priv->rxbuffersize = 9100;//2048;//1024;
2488 priv->rxringcount = MAX_RX_COUNT;//64;
2489 priv->irq_enabled=0;
2490 priv->card_8192 = NIC_8192E;
2491 priv->rx_skb_complete = 1;
2492 priv->chan = 1; //set to channel 1
2493 priv->RegWirelessMode = WIRELESS_MODE_AUTO;
2494 priv->RegChannelPlan = 0xf;
2495 priv->nrxAMPDU_size = 0;
2496 priv->nrxAMPDU_aggr_num = 0;
2497 priv->last_rxdesc_tsf_high = 0;
2498 priv->last_rxdesc_tsf_low = 0;
2499 priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
2500 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2501 priv->ieee80211->ieee_up=0;
2502 priv->retry_rts = DEFAULT_RETRY_RTS;
2503 priv->retry_data = DEFAULT_RETRY_DATA;
2504 priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
2505 priv->ieee80211->rate = 110; //11 mbps
2506 priv->ieee80211->short_slot = 1;
2507 priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0;
2508 priv->bcck_in_ch14 = false;
2509 priv->bfsync_processing = false;
2510 priv->CCKPresentAttentuation = 0;
2511 priv->rfa_txpowertrackingindex = 0;
2512 priv->rfc_txpowertrackingindex = 0;
2514 priv->ScanDelay = 50;//for Scan TODO
2515 //added by amy for silent reset
2516 priv->ResetProgress = RESET_TYPE_NORESET;
2517 priv->bForcedSilentReset = 0;
2518 priv->bDisableNormalResetCheck = false;
2519 priv->force_reset = false;
2520 //added by amy for power save
2522 priv->ieee80211->RfOffReason = 0;
2523 priv->RFChangeInProgress = false;
2524 priv->bHwRfOffAction = 0;
2525 priv->SetRFPowerStateInProgress = false;
2526 priv->ieee80211->PowerSaveControl.bInactivePs = true;
2527 priv->ieee80211->PowerSaveControl.bIPSModeBackup = false;
2529 priv->txpower_checkcnt = 0;
2530 priv->thermal_readback_index =0;
2531 priv->txpower_tracking_callback_cnt = 0;
2532 priv->ccktxpower_adjustcnt_ch14 = 0;
2533 priv->ccktxpower_adjustcnt_not_ch14 = 0;
2535 priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
2536 priv->ieee80211->iw_mode = IW_MODE_INFRA;
2537 priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
2538 IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
2539 IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
2540 IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE;
2542 priv->ieee80211->active_scan = 1;
2543 priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
2544 priv->ieee80211->host_encrypt = 1;
2545 priv->ieee80211->host_decrypt = 1;
2546 //priv->ieee80211->start_send_beacons = NULL;//rtl819xusb_beacon_tx;//-by amy 080604
2547 //priv->ieee80211->stop_send_beacons = NULL;//rtl8192_beacon_stop;//-by amy 080604
2548 priv->ieee80211->start_send_beacons = rtl8192_start_beacon;//+by david 081107
2549 priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;//+by david 081107
2550 priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
2551 priv->ieee80211->set_chan = rtl8192_set_chan;
2552 priv->ieee80211->link_change = rtl8192_link_change;
2553 priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
2554 priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
2555 priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
2556 priv->ieee80211->init_wmmparam_flag = 0;
2557 priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
2558 priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
2559 priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
2560 priv->ieee80211->qos_support = 1;
2561 priv->ieee80211->dot11PowerSaveMode = 0;
2563 // priv->ieee80211->SwChnlByTimerHandler = rtl8192_phy_SwChnl;
2564 priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
2565 priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
2566 priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
2568 priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
2569 // priv->ieee80211->ps_request_tx_ack = rtl8192_rq_tx_ack;
2570 priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
2571 priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
2573 priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
2574 priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
2575 priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
2578 priv->ieee80211->InitialGainHandler = InitialGain819xPci;
2581 priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
2582 priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
2585 priv->ieee80211->LeisurePSLeave = LeisurePSLeave;
2588 priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
2589 priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
2591 priv->card_type = USB;
2593 priv->ShortRetryLimit = 0x30;
2594 priv->LongRetryLimit = 0x30;
2596 priv->EarlyRxThreshold = 7;
2597 priv->enable_gpio0 = 0;
2599 priv->TransmitConfig = 0;
2601 priv->ReceiveConfig = RCR_ADD3 |
2602 RCR_AMF | RCR_ADF | //accept management/data
2603 RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
2604 RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
2605 RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
2606 ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
2608 priv->irq_mask = (u32)(IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |\
2609 IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |\
2610 IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |\
2611 IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER);
2613 priv->AcmControl = 0;
2614 priv->pFirmware = (rt_firmware*)vmalloc(sizeof(rt_firmware));
2615 if (priv->pFirmware)
2616 memset(priv->pFirmware, 0, sizeof(rt_firmware));
2618 /* rx related queue */
2619 skb_queue_head_init(&priv->rx_queue);
2620 skb_queue_head_init(&priv->skb_queue);
2622 /* Tx related queue */
2623 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
2624 skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
2626 for(i = 0; i < MAX_QUEUE_SIZE; i++) {
2627 skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
2629 priv->rf_set_chan = rtl8192_phy_SwChnl;
2633 static void rtl8192_init_priv_lock(struct r8192_priv* priv)
2635 spin_lock_init(&priv->tx_lock);
2636 spin_lock_init(&priv->irq_lock);//added by thomas
2637 spin_lock_init(&priv->irq_th_lock);
2638 spin_lock_init(&priv->rf_ps_lock);
2639 spin_lock_init(&priv->ps_lock);
2640 //spin_lock_init(&priv->rf_lock);
2641 sema_init(&priv->wx_sem,1);
2642 sema_init(&priv->rf_sem,1);
2643 mutex_init(&priv->mutex);
2646 extern void rtl819x_watchdog_wqcallback(struct work_struct *work);
2648 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
2649 void rtl8192_irq_tx_tasklet(struct r8192_priv *priv);
2650 void rtl8192_prepare_beacon(struct r8192_priv *priv);
2651 //init tasklet and wait_queue here. only 2.6 above kernel is considered
2652 #define DRV_NAME "wlan0"
2653 static void rtl8192_init_priv_task(struct net_device* dev)
2655 struct r8192_priv *priv = ieee80211_priv(dev);
2657 #ifdef PF_SYNCTHREAD
2658 priv->priv_wq = create_workqueue(DRV_NAME,0);
2660 priv->priv_wq = create_workqueue(DRV_NAME);
2664 INIT_WORK(&priv->ieee80211->ips_leave_wq, (void*)IPSLeave_wq);
2667 // INIT_WORK(&priv->reset_wq, (void(*)(void*)) rtl8192_restart);
2668 INIT_WORK(&priv->reset_wq, rtl8192_restart);
2669 // INIT_DELAYED_WORK(&priv->watch_dog_wq, hal_dm_watchdog);
2670 INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
2671 INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
2672 INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
2673 INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
2674 //INIT_WORK(&priv->SwChnlWorkItem, rtl8192_SwChnl_WorkItem);
2675 //INIT_WORK(&priv->SetBWModeWorkItem, rtl8192_SetBWModeWorkItem);
2676 INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
2677 INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq,(void*) rtl8192_hw_wakeup_wq);
2678 INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq,(void*) rtl8192_hw_sleep_wq);
2680 tasklet_init(&priv->irq_rx_tasklet,
2681 (void(*)(unsigned long))rtl8192_irq_rx_tasklet,
2682 (unsigned long)priv);
2683 tasklet_init(&priv->irq_tx_tasklet,
2684 (void(*)(unsigned long))rtl8192_irq_tx_tasklet,
2685 (unsigned long)priv);
2686 tasklet_init(&priv->irq_prepare_beacon_tasklet,
2687 (void(*)(unsigned long))rtl8192_prepare_beacon,
2688 (unsigned long)priv);
2691 static void rtl8192_get_eeprom_size(struct net_device* dev)
2694 struct r8192_priv *priv = ieee80211_priv(dev);
2695 RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
2696 curCR = read_nic_dword(dev, EPROM_CMD);
2697 RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
2698 //whether need I consider BIT5?
2699 priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
2700 RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
2703 //used to swap endian. as ntohl & htonl are not neccessary to swap endian, so use this instead.
2704 static inline u16 endian_swap(u16* data)
2707 *data = (tmp >> 8) | (tmp << 8);
2712 * Note: Adapter->EEPROMAddressSize should be set before this function call.
2713 * EEPROM address size can be got through GetEEPROMSize8185()
2715 static void rtl8192_read_eeprom_info(struct net_device* dev)
2717 struct r8192_priv *priv = ieee80211_priv(dev);
2721 u8 ICVer8192, ICVer8256;
2723 u16 i,usValue, IC_Version;
2726 u8 offset;//, tmpAFR;
2727 u8 EepromTxPower[100];
2729 u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2730 RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
2733 // TODO: I don't know if we need to apply EF function to EEPROM read function
2735 //2 Read EEPROM ID to make sure autoload is success
2736 EEPROMId = eprom_read(dev, 0);
2737 if( EEPROMId != RTL8190_EEPROM_ID )
2739 RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
2740 priv->AutoloadFailFlag=true;
2744 priv->AutoloadFailFlag=false;
2748 // Assign Chip Version ID
2750 // Read IC Version && Channel Plan
2751 if(!priv->AutoloadFailFlag)
2754 priv->eeprom_vid = eprom_read(dev, (EEPROM_VID >> 1));
2755 priv->eeprom_did = eprom_read(dev, (EEPROM_DID >> 1));
2757 usValue = eprom_read(dev, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
2758 priv->eeprom_CustomerID = (u8)( usValue & 0xff);
2759 usValue = eprom_read(dev, (EEPROM_ICVersion_ChannelPlan>>1));
2760 priv->eeprom_ChannelPlan = usValue&0xff;
2761 IC_Version = ((usValue&0xff00)>>8);
2764 priv->card_8192_version = (VERSION_8190)(IC_Version);
2767 ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2768 ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2769 RT_TRACE(COMP_INIT, "\nICVer8192 = 0x%x\n", ICVer8192);
2770 RT_TRACE(COMP_INIT, "\nICVer8256 = 0x%x\n", ICVer8256);
2771 if(ICVer8192 == 0x2) //B-cut
2773 if(ICVer8256 == 0x5) //E-cut
2774 priv->card_8192_version= VERSION_8190_BE;
2778 switch(priv->card_8192_version)
2780 case VERSION_8190_BD:
2781 case VERSION_8190_BE:
2784 priv->card_8192_version = VERSION_8190_BD;
2787 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
2791 priv->card_8192_version = VERSION_8190_BD;
2792 priv->eeprom_vid = 0;
2793 priv->eeprom_did = 0;
2794 priv->eeprom_CustomerID = 0;
2795 priv->eeprom_ChannelPlan = 0;
2796 RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", 0xff);
2799 RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
2800 RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
2801 RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
2803 //2 Read Permanent MAC address
2804 if(!priv->AutoloadFailFlag)
2806 for(i = 0; i < 6; i += 2)
2808 usValue = eprom_read(dev, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
2809 *(u16*)(&dev->dev_addr[i]) = usValue;
2812 // when auto load failed, the last address byte set to be a random one.
2813 // added by david woo.2007/11/7
2814 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
2817 RT_TRACE(COMP_INIT, "Permanent Address = %02x-%02x-%02x-%02x-%02x-%02x\n",
2818 dev->dev_addr[0], dev->dev_addr[1],
2819 dev->dev_addr[2], dev->dev_addr[3],
2820 dev->dev_addr[4], dev->dev_addr[5]);
2822 //2 TX Power Check EEPROM Fail or not
2823 if(priv->card_8192_version > VERSION_8190_BD) {
2824 priv->bTXPowerDataReadFromEEPORM = true;
2826 priv->bTXPowerDataReadFromEEPORM = false;
2829 // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2830 priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
2832 if(priv->card_8192_version > VERSION_8190_BD)
2834 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2835 if(!priv->AutoloadFailFlag)
2837 tempval = (eprom_read(dev, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
2838 priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0]
2840 if (tempval&0x80) //RF-indication, bit[7]
2841 priv->rf_type = RF_1T2R;
2843 priv->rf_type = RF_2T4R;
2847 priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
2849 RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
2850 priv->EEPROMLegacyHTTxPowerDiff);
2852 // Read ThermalMeter from EEPROM
2853 if(!priv->AutoloadFailFlag)
2855 priv->EEPROMThermalMeter = (u8)(((eprom_read(dev, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
2859 priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
2861 RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
2862 //vivi, for tx power track
2863 priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
2865 if(priv->epromtype == EPROM_93c46)
2867 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2868 if(!priv->AutoloadFailFlag)
2870 usValue = eprom_read(dev, (EEPROM_TxPwDiff_CrystalCap>>1));
2871 priv->EEPROMAntPwDiff = (usValue&0x0fff);
2872 priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
2876 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2877 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2879 RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2880 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2883 // Get per-channel Tx Power Level
2885 for(i=0; i<14; i+=2)
2887 if(!priv->AutoloadFailFlag)
2889 usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
2893 usValue = EEPROM_Default_TxPower;
2895 *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
2896 RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
2897 RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
2899 for(i=0; i<14; i+=2)
2901 if(!priv->AutoloadFailFlag)
2903 usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
2907 usValue = EEPROM_Default_TxPower;
2909 *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
2910 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
2911 RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
2914 else if(priv->epromtype== EPROM_93c56)
2917 // Read CrystalCap from EEPROM
2918 if(!priv->AutoloadFailFlag)
2920 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2921 priv->EEPROMCrystalCap = (u8)(((eprom_read(dev, (EEPROM_C56_CrystalCap>>1))) & 0xf000)>>12);
2925 priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
2926 priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
2928 RT_TRACE(COMP_INIT,"EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
2929 RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
2931 // Get Tx Power Level by Channel
2932 if(!priv->AutoloadFailFlag)
2934 // Read Tx power of Channel 1 ~ 14 from EEPROM.
2935 for(i = 0; i < 12; i+=2)
2938 offset = EEPROM_C56_RfA_CCK_Chnl1_TxPwIndex + i;
2940 offset = EEPROM_C56_RfC_CCK_Chnl1_TxPwIndex + i - 6;
2941 usValue = eprom_read(dev, (offset>>1));
2942 *((u16*)(&EepromTxPower[i])) = usValue;
2945 for(i = 0; i < 12; i++)
2948 priv->EEPROMRfACCKChnl1TxPwLevel[i] = EepromTxPower[i];
2949 else if ((i >=3 )&&(i <= 5))
2950 priv->EEPROMRfAOfdmChnlTxPwLevel[i-3] = EepromTxPower[i];
2951 else if ((i >=6 )&&(i <= 8))
2952 priv->EEPROMRfCCCKChnl1TxPwLevel[i-6] = EepromTxPower[i];
2954 priv->EEPROMRfCOfdmChnlTxPwLevel[i-9] = EepromTxPower[i];
2959 priv->EEPROMRfACCKChnl1TxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2960 priv->EEPROMRfACCKChnl1TxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2961 priv->EEPROMRfACCKChnl1TxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2963 priv->EEPROMRfAOfdmChnlTxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2964 priv->EEPROMRfAOfdmChnlTxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2965 priv->EEPROMRfAOfdmChnlTxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2967 priv->EEPROMRfCCCKChnl1TxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2968 priv->EEPROMRfCCCKChnl1TxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2969 priv->EEPROMRfCCCKChnl1TxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2971 priv->EEPROMRfCOfdmChnlTxPwLevel[0] = EEPROM_Default_TxPowerLevel;
2972 priv->EEPROMRfCOfdmChnlTxPwLevel[1] = EEPROM_Default_TxPowerLevel;
2973 priv->EEPROMRfCOfdmChnlTxPwLevel[2] = EEPROM_Default_TxPowerLevel;
2975 RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[0] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[0]);
2976 RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[1] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[1]);
2977 RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[2] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[2]);
2978 RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[0] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[0]);
2979 RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[1] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[1]);
2980 RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[2] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[2]);
2981 RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[0] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[0]);
2982 RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[1] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[1]);
2983 RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[2] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[2]);
2984 RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[0] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[0]);
2985 RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[1] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[1]);
2986 RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[2] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[2]);
2991 // Update HAL variables.
2993 if(priv->epromtype == EPROM_93c46)
2997 priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
2998 priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
3000 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
3001 // Antenna B gain offset to antenna A, bit0~3
3002 priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
3003 // Antenna C gain offset to antenna A, bit4~7
3004 priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
3005 // Antenna D gain offset to antenna A, bit8~11
3006 priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
3007 // CrystalCap, bit12~15
3008 priv->CrystalCap = priv->EEPROMCrystalCap;
3009 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
3010 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
3011 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
3013 else if(priv->epromtype == EPROM_93c56)
3015 //char cck_pwr_diff_a=0, cck_pwr_diff_c=0;
3017 //cck_pwr_diff_a = pHalData->EEPROMRfACCKChnl7TxPwLevel - pHalData->EEPROMRfAOfdmChnlTxPwLevel[1];
3018 //cck_pwr_diff_c = pHalData->EEPROMRfCCCKChnl7TxPwLevel - pHalData->EEPROMRfCOfdmChnlTxPwLevel[1];
3019 for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level.
3021 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0];
3022 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
3023 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0];
3024 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
3026 for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level
3028 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1];
3029 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
3030 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1];
3031 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
3033 for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level
3035 priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2];
3036 priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
3037 priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2];
3038 priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
3041 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
3043 RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
3045 RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
3047 RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
3048 priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
3049 priv->AntennaTxPwDiff[0] = 0;
3050 priv->AntennaTxPwDiff[1] = 0;
3051 priv->AntennaTxPwDiff[2] = 0;
3052 priv->CrystalCap = priv->EEPROMCrystalCap;
3053 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
3054 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
3055 priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
3059 if(priv->rf_type == RF_1T2R)
3061 RT_TRACE(COMP_INIT, "\n1T2R config\n");
3063 else if (priv->rf_type == RF_2T4R)
3065 RT_TRACE(COMP_INIT, "\n2T4R config\n");
3068 // 2008/01/16 MH We can only know RF type in the function. So we have to init
3069 // DIG RATR table again.
3070 init_rate_adaptive(dev);
3072 //1 Make a copy for following variables and we can change them if we want
3074 priv->rf_chip= RF_8256;
3076 if(priv->RegChannelPlan == 0xf)
3078 priv->ChannelPlan = priv->eeprom_ChannelPlan;
3082 priv->ChannelPlan = priv->RegChannelPlan;
3086 // Used PID and DID to Set CustomerID
3088 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 )
3090 priv->CustomerID = RT_CID_DLINK;
3093 switch(priv->eeprom_CustomerID)
3095 case EEPROM_CID_DEFAULT:
3096 priv->CustomerID = RT_CID_DEFAULT;
3098 case EEPROM_CID_CAMEO:
3099 priv->CustomerID = RT_CID_819x_CAMEO;
3101 case EEPROM_CID_RUNTOP:
3102 priv->CustomerID = RT_CID_819x_RUNTOP;
3104 case EEPROM_CID_NetCore:
3105 priv->CustomerID = RT_CID_819x_Netcore;
3107 case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31
3108 priv->CustomerID = RT_CID_TOSHIBA;
3109 if(priv->eeprom_ChannelPlan&0x80)
3110 priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
3112 priv->ChannelPlan = 0x0;
3113 RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
3116 case EEPROM_CID_Nettronix:
3117 priv->ScanDelay = 100; //cosa add for scan
3118 priv->CustomerID = RT_CID_Nettronix;
3120 case EEPROM_CID_Pronet:
3121 priv->CustomerID = RT_CID_PRONET;
3123 case EEPROM_CID_DLINK:
3124 priv->CustomerID = RT_CID_DLINK;
3127 case EEPROM_CID_WHQL:
3128 //Adapter->bInHctTest = TRUE;//do not supported
3130 //priv->bSupportTurboMode = FALSE;
3131 //priv->bAutoTurboBy8186 = FALSE;
3133 //pMgntInfo->PowerSaveControl.bInactivePs = FALSE;
3134 //pMgntInfo->PowerSaveControl.bIPSModeBackup = FALSE;
3135 //pMgntInfo->PowerSaveControl.bLeisurePs = FALSE;
3139 // value from RegCustomerID
3143 //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
3144 if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
3145 priv->ChannelPlan = 0; //FCC
3147 switch(priv->CustomerID)
3149 case RT_CID_DEFAULT:
3151 priv->LedStrategy = HW_LED;
3154 priv->LedStrategy = SW_LED_MODE1;
3159 case RT_CID_819x_CAMEO:
3160 priv->LedStrategy = SW_LED_MODE2;
3163 case RT_CID_819x_RUNTOP:
3164 priv->LedStrategy = SW_LED_MODE3;
3167 case RT_CID_819x_Netcore:
3168 priv->LedStrategy = SW_LED_MODE4;
3171 case RT_CID_Nettronix:
3172 priv->LedStrategy = SW_LED_MODE5;
3176 priv->LedStrategy = SW_LED_MODE6;
3179 case RT_CID_TOSHIBA: //Modify by Jacken 2008/01/31
3185 priv->LedStrategy = HW_LED;
3188 priv->LedStrategy = SW_LED_MODE1;
3195 if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304)
3196 priv->ieee80211->bSupportRemoteWakeUp = true;
3198 priv->ieee80211->bSupportRemoteWakeUp = false;
3201 RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
3202 RT_TRACE(COMP_INIT, "ChannelPlan = %d \n", priv->ChannelPlan);
3203 RT_TRACE(COMP_INIT, "LedStrategy = %d \n", priv->LedStrategy);
3204 RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
3210 static short rtl8192_get_channel_map(struct net_device * dev)
3212 struct r8192_priv *priv = ieee80211_priv(dev);
3213 #ifdef ENABLE_DOT11D
3214 if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
3215 printk("rtl8180_init:Error channel plan! Set to default.\n");
3216 priv->ChannelPlan= 0;
3218 RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
3220 rtl819x_set_channel_map(priv->ChannelPlan, priv);
3223 //Set Default Channel Plan
3225 DMESG("No channels, aborting");
3229 priv->ChannelPlan= 0;//hikaru
3230 // set channels 1..14 allowed in given locale
3231 for (i=1; i<=14; i++) {
3232 (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
3239 static short rtl8192_init(struct net_device *dev)
3241 struct r8192_priv *priv = ieee80211_priv(dev);
3242 memset(&(priv->stats),0,sizeof(struct Stats));
3243 rtl8192_init_priv_variable(dev);
3244 rtl8192_init_priv_lock(priv);
3245 rtl8192_init_priv_task(dev);
3246 rtl8192_get_eeprom_size(dev);
3247 rtl8192_read_eeprom_info(dev);
3248 rtl8192_get_channel_map(dev);
3250 init_timer(&priv->watch_dog_timer);
3251 priv->watch_dog_timer.data = (unsigned long)dev;
3252 priv->watch_dog_timer.function = watch_dog_timer_callback;
3253 #if defined(IRQF_SHARED)
3254 if(request_irq(dev->irq, (void*)rtl8192_interrupt, IRQF_SHARED, dev->name, dev)){
3256 if(request_irq(dev->irq, (void *)rtl8192_interrupt, SA_SHIRQ, dev->name, dev)){
3258 printk("Error allocating IRQ %d",dev->irq);
3262 printk("IRQ %d",dev->irq);
3264 if(rtl8192_pci_initdescring(dev)!=0){
3265 printk("Endopoints initialization failed");
3269 //rtl8192_rx_enable(dev);
3270 //rtl8192_adapter_start(dev);
3274 /******************************************************************************
3275 *function: This function actually only set RRSR, RATR and BW_OPMODE registers
3276 * not to do all the hw config as its name says
3277 * input: net_device dev
3280 * notice: This part need to modified according to the rate set we filtered
3281 * ****************************************************************************/
3282 static void rtl8192_hwconfig(struct net_device* dev)
3284 u32 regRATR = 0, regRRSR = 0;
3285 u8 regBwOpMode = 0, regTmp = 0;
3286 struct r8192_priv *priv = ieee80211_priv(dev);
3288 // Set RRSR, RATR, and BW_OPMODE registers
3290 switch(priv->ieee80211->mode)
3292 case WIRELESS_MODE_B:
3293 regBwOpMode = BW_OPMODE_20MHZ;
3294 regRATR = RATE_ALL_CCK;
3295 regRRSR = RATE_ALL_CCK;
3297 case WIRELESS_MODE_A:
3298 regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
3299 regRATR = RATE_ALL_OFDM_AG;
3300 regRRSR = RATE_ALL_OFDM_AG;
3302 case WIRELESS_MODE_G:
3303 regBwOpMode = BW_OPMODE_20MHZ;
3304 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
3305 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
3307 case WIRELESS_MODE_AUTO:
3308 case WIRELESS_MODE_N_24G:
3309 // It support CCK rate by default.
3310 // CCK rate will be filtered out only when associated AP does not support it.
3311 regBwOpMode = BW_OPMODE_20MHZ;
3312 regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
3313 regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
3315 case WIRELESS_MODE_N_5G:
3316 regBwOpMode = BW_OPMODE_5G;
3317 regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
3318 regRRSR = RATE_ALL_OFDM_AG;
3322 write_nic_byte(dev, BW_OPMODE, regBwOpMode);
3325 ratr_value = regRATR;
3326 if (priv->rf_type == RF_1T2R)
3328 ratr_value &= ~(RATE_ALL_OFDM_2SS);
3330 write_nic_dword(dev, RATR0, ratr_value);
3331 write_nic_byte(dev, UFWP, 1);
3333 regTmp = read_nic_byte(dev, 0x313);
3334 regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
3335 write_nic_dword(dev, RRSR, regRRSR);
3338 // Set Retry Limit here
3340 write_nic_word(dev, RETRY_LIMIT,
3341 priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT | \
3342 priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
3343 // Set Contention Window here
3347 // Set Tx Antenna including Feedback control
3349 // Set Auto Rate fallback control
3355 static RT_STATUS rtl8192_adapter_start(struct net_device *dev)
3357 struct r8192_priv *priv = ieee80211_priv(dev);
3358 // struct ieee80211_device *ieee = priv->ieee80211;
3360 RT_STATUS rtStatus = RT_STATUS_SUCCESS;
3361 // static char szMACPHYRegFile[] = RTL819X_PHY_MACPHY_REG;
3362 // static char szMACPHYRegPGFile[] = RTL819X_PHY_MACPHY_REG_PG;
3366 u8 ICVersion,SwitchingRegulatorOutput;
3368 bool bfirmwareok = true;
3372 u32 tmpRegA, tmpRegC, TempCCk;
3374 // u32 dwRegRead = 0;
3376 RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
3377 priv->being_init_adapter = true;
3378 rtl8192_pci_resetdescring(dev);
3379 // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
3380 priv->Rf_Mode = RF_OP_By_SW_3wire;
3383 if(priv->ResetProgress == RESET_TYPE_NORESET)
3385 write_nic_byte(dev, ANAPAR, 0x37);
3386 // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
3387 // Joseph increae the time to prevent firmware download fail
3391 //PlatformSleepUs(10000);
3392 // For any kind of InitializeAdapter process, we shall use system now!!
3393 priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
3395 // Set to eRfoff in order not to count receive count.
3396 if(priv->RegRfOff == TRUE)
3397 priv->ieee80211->eRFPowerState = eRfOff;
3400 //3 //Config CPUReset Register
3402 //3 Firmware Reset Or Not
3403 ulRegRead = read_nic_dword(dev, CPU_GEN);
3404 if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
3405 { //called from MPInitialized. do nothing
3406 ulRegRead |= CPU_GEN_SYSTEM_RESET;
3407 }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
3408 ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset
3410 RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status);
3413 //2008.06.03, for WOL 90 hw bug
3414 ulRegRead &= (~(CPU_GEN_GPIO_UART));
3417 write_nic_dword(dev, CPU_GEN, ulRegRead);
3423 //3 //Fix the issue of E-cut high temperature issue
3426 ICVersion = read_nic_byte(dev, IC_VERRSION);
3427 if(ICVersion >= 0x4) //E-cut only
3429 // HW SD suggest that we should not wirte this register too often, so driver
3430 // should readback this register. This register will be modified only when
3432 SwitchingRegulatorOutput = read_nic_byte(dev, SWREGULATOR);
3433 if(SwitchingRegulatorOutput != 0xb8)
3435 write_nic_byte(dev, SWREGULATOR, 0xa8);
3437 write_nic_byte(dev, SWREGULATOR, 0xb8);
3444 //3// Initialize BB before MAC
3446 RT_TRACE(COMP_INIT, "BB Config Start!\n");
3447 rtStatus = rtl8192_BBConfig(dev);
3448 if(rtStatus != RT_STATUS_SUCCESS)
3450 RT_TRACE(COMP_ERR, "BB Config failed\n");
3453 RT_TRACE(COMP_INIT,"BB Config Finished!\n");
3455 //3//Set Loopback mode or Normal mode
3457 //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
3458 // because setting of System_Reset bit reset MAC to default transmission mode.
3459 //Loopback mode or not
3460 priv->LoopbackMode = RTL819X_NO_LOOPBACK;
3461 //priv->LoopbackMode = RTL819X_MAC_LOOPBACK;
3462 if(priv->ResetProgress == RESET_TYPE_NORESET)
3464 ulRegRead = read_nic_dword(dev, CPU_GEN);
3465 if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
3467 ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
3469 else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
3471 ulRegRead |= CPU_CCK_LOOPBACK;
3475 RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
3478 //2008.06.03, for WOL
3479 //ulRegRead &= (~(CPU_GEN_GPIO_UART));
3480 write_nic_dword(dev, CPU_GEN, ulRegRead);
3482 // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
3485 //3Set Hardware(Do nothing now)
3486 rtl8192_hwconfig(dev);
3487 //2=======================================================
3488 // Common Setting for all of the FPGA platform. (part 1)
3489 //2=======================================================
3490 // If there is changes, please make sure it applies to all of the FPGA version
3492 write_nic_byte(dev, CMDR, CR_RE|CR_TE);
3496 write_nic_byte(dev, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) | \
3497 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) | \
3501 write_nic_byte(dev, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |\
3502 (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
3506 write_nic_dword(dev, MAC0, ((u32*)dev->dev_addr)[0]);
3507 write_nic_word(dev, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
3509 write_nic_dword(dev, RCR, priv->ReceiveConfig);
3511 //3 Initialize Number of Reserved Pages in Firmware Queue
3513 if(priv->bInHctTest)
3515 PlatformEFIOWrite4Byte(Adapter, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK_DTM << RSVD_FW_QUEUE_PAGE_BK_SHIFT |\
3516 NUM_OF_PAGE_IN_FW_QUEUE_BE_DTM << RSVD_FW_QUEUE_PAGE_BE_SHIFT | \
3517 NUM_OF_PAGE_IN_FW_QUEUE_VI_DTM << RSVD_FW_QUEUE_PAGE_VI_SHIFT | \
3518 NUM_OF_PAGE_IN_FW_QUEUE_VO_DTM <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
3519 PlatformEFIOWrite4Byte(Adapter, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
3520 PlatformEFIOWrite4Byte(Adapter, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW| \
3521 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|\
3522 NUM_OF_PAGE_IN_FW_QUEUE_PUB_DTM<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
3527 write_nic_dword(dev, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |\
3528 NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT | \
3529 NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT | \
3530 NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
3531 write_nic_dword(dev, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
3532 write_nic_dword(dev, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW| \
3533 NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|\
3534 NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
3537 rtl8192_tx_enable(dev);
3538 rtl8192_rx_enable(dev);
3539 //3Set Response Rate Setting Register
3540 // CCK rate is supported by default.
3541 // CCK rate will be filtered out only when associated AP does not support it.
3542 ulRegRead = (0xFFF00000 & read_nic_dword(dev, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
3543 write_nic_dword(dev, RRSR, ulRegRead);
3544 write_nic_dword(dev, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
3547 // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
3548 write_nic_byte(dev, ACK_TIMEOUT, 0x30);
3550 //rtl8192_actset_wirelessmode(dev,priv->RegWirelessMode);
3551 if(priv->ResetProgress == RESET_TYPE_NORESET)
3552 rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
3553 //-----------------------------------------------------------------------------
3554 // Set up security related. 070106, by rcnjko:
3555 // 1. Clear all H/W keys.
3556 // 2. Enable H/W encryption/decryption.
3557 //-----------------------------------------------------------------------------
3558 CamResetAllEntry(dev);
3560 u8 SECR_value = 0x0;
3561 SECR_value |= SCR_TxEncEnable;
3562 SECR_value |= SCR_RxDecEnable;
3563 SECR_value |= SCR_NoSKMC;
3564 write_nic_byte(dev, SECR, SECR_value);
3567 write_nic_word(dev, ATIMWND, 2);
3568 write_nic_word(dev, BCN_INTERVAL, 100);
3569 for (i=0; i<QOS_QUEUE_NUM; i++)
3570 write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
3572 // Switching regulator controller: This is set temporarily.
3573 // It's not sure if this can be removed in the future.
3574 // PJ advised to leave it by default.
3576 write_nic_byte(dev, 0xbe, 0xc0);
3578 //2=======================================================
3579 // Set PHY related configuration defined in MAC register bank
3580 //2=======================================================
3581 rtl8192_phy_configmac(dev);
3583 if (priv->card_8192_version > (u8) VERSION_8190_BD) {
3584 rtl8192_phy_getTxPower(dev);
3585 rtl8192_phy_setTxPower(dev, priv->chan);
3589 tmpvalue = read_nic_byte(dev, IC_VERRSION);
3590 priv->IC_Cut = tmpvalue;
3591 RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
3592 if(priv->IC_Cut >= IC_VersionCut_D)
3594 //pHalData->bDcut = TRUE;
3595 if(priv->IC_Cut == IC_VersionCut_D)
3596 RT_TRACE(COMP_INIT, "D-cut\n");
3597 if(priv->IC_Cut == IC_VersionCut_E)
3599 RT_TRACE(COMP_INIT, "E-cut\n");
3600 // HW SD suggest that we should not wirte this register too often, so driver
3601 // should readback this register. This register will be modified only when
3607 //pHalData->bDcut = FALSE;
3608 RT_TRACE(COMP_INIT, "Before C-cut\n");
3613 RT_TRACE(COMP_INIT, "Load Firmware!\n");
3614 bfirmwareok = init_firmware(dev);
3615 if(bfirmwareok != true) {
3616 rtStatus = RT_STATUS_FAILURE;
3619 RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
3622 if(priv->ResetProgress == RESET_TYPE_NORESET)
3624 RT_TRACE(COMP_INIT, "RF Config Started!\n");
3625 rtStatus = rtl8192_phy_RFConfig(dev);
3626 if(rtStatus != RT_STATUS_SUCCESS)
3628 RT_TRACE(COMP_ERR, "RF Config failed\n");
3631 RT_TRACE(COMP_INIT, "RF Config Finished!\n");
3633 rtl8192_phy_updateInitGain(dev);
3635 /*---- Set CCK and OFDM Block "ON"----*/
3636 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
3637 rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
3641 write_nic_byte(dev, 0x87, 0x0);
3644 //2008.06.03, for WOL
3645 ucRegRead = read_nic_byte(dev, GPE);
3647 write_nic_byte(dev, GPE, ucRegRead);
3649 ucRegRead = read_nic_byte(dev, GPO);
3651 write_nic_byte(dev, GPO, ucRegRead);
3654 //2=======================================================
3656 //2=======================================================
3660 if(priv->RegRfOff == TRUE)
3661 { // User disable RF via registry.
3662 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RegRfOff ----------\n",__FUNCTION__);
3663 MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_SW);
3664 #if 0//cosa, ask SD3 willis and he doesn't know what is this for
3665 // Those action will be discard in MgntActSet_RF_State because off the same state
3666 for(eRFPath = 0; eRFPath <pHalData->NumTotalRFPath; eRFPath++)
3667 PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0);
3670 else if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
3671 { // H/W or S/W RF OFF before sleep.
3672 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d) ----------\n", __FUNCTION__,priv->ieee80211->RfOffReason);
3673 MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason);
3675 else if(priv->ieee80211->RfOffReason >= RF_CHANGE_BY_IPS)
3676 { // H/W or S/W RF OFF before sleep.
3677 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d) ----------\n", __FUNCTION__,priv->ieee80211->RfOffReason);
3678 MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason);
3682 RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
3683 priv->ieee80211->eRFPowerState = eRfOn;
3684 priv->ieee80211->RfOffReason = 0;
3685 //DrvIFIndicateCurrentPhyStatus(Adapter);
3687 //Adapter->HalFunc.LedControlHandler(Adapter, LED_CTL_POWER_ON);
3690 // If inactive power mode is enabled, disable rf while in disconnected state.
3691 // But we should still tell upper layer we are in rf on state.
3692 // 2007.07.16, by shien chang.
3694 //if(!Adapter->bInHctTest)
3695 //IPSEnter(Adapter);
3702 // We can force firmware to do RF-R/W
3703 if(priv->ieee80211->FwRWRF)
3704 priv->Rf_Mode = RF_OP_By_FW;
3706 priv->Rf_Mode = RF_OP_By_SW_3wire;
3708 priv->Rf_Mode = RF_OP_By_SW_3wire;
3712 if(priv->ResetProgress == RESET_TYPE_NORESET)
3714 dm_initialize_txpower_tracking(dev);
3716 tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord);
3717 tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord);
3719 if(priv->rf_type == RF_2T4R){
3720 for(i = 0; i<TxBBGainTableLength; i++)
3722 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
3724 priv->rfa_txpowertrackingindex= (u8)i;
3725 priv->rfa_txpowertrackingindex_real= (u8)i;
3726 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
3731 for(i = 0; i<TxBBGainTableLength; i++)
3733 if(tmpRegC == priv->txbbgain_table[i].txbbgain_value)
3735 priv->rfc_txpowertrackingindex= (u8)i;
3736 priv->rfc_txpowertrackingindex_real= (u8)i;
3737 priv->rfc_txpowertracking_default = priv->rfc_txpowertrackingindex;
3741 TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
3743 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
3745 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
3747 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
3751 priv->CCKPresentAttentuation_40Mdefault = 0;
3752 priv->CCKPresentAttentuation_difference = 0;
3753 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
3754 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
3755 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
3756 RT_TRACE(COMP_POWER_TRACKING, "priv->rfc_txpowertrackingindex_initial = %d\n", priv->rfc_txpowertrackingindex);
3757 RT_TRACE(COMP_POWER_TRACKING, "priv->rfc_txpowertrackingindex_real_initial = %d\n", priv->rfc_txpowertrackingindex_real);
3758 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
3759 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
3763 if(priv->ResetProgress == RESET_TYPE_NORESET)
3765 dm_initialize_txpower_tracking(dev);
3767 if(priv->IC_Cut >= IC_VersionCut_D)
3769 tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord);
3770 tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord);
3771 for(i = 0; i<TxBBGainTableLength; i++)
3773 if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
3775 priv->rfa_txpowertrackingindex= (u8)i;
3776 priv->rfa_txpowertrackingindex_real= (u8)i;
3777 priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
3782 TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
3784 for(i=0 ; i<CCKTxBBGainTableLength ; i++)
3786 if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
3788 priv->CCKPresentAttentuation_20Mdefault =(u8) i;
3792 priv->CCKPresentAttentuation_40Mdefault = 0;
3793 priv->CCKPresentAttentuation_difference = 0;
3794 priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
3795 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
3796 RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
3797 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
3798 RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
3799 priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
3804 rtl8192_irq_enable(dev);
3805 priv->being_init_adapter = false;
3810 void rtl8192_prepare_beacon(struct r8192_priv *priv)
3812 struct sk_buff *skb;
3813 //unsigned long flags;
3816 skb = ieee80211_get_beacon(priv->ieee80211);
3817 tcb_desc = (cb_desc *)(skb->cb + 8);
3818 //printk("===========> %s\n", __FUNCTION__);
3819 //spin_lock_irqsave(&priv->tx_lock,flags);
3820 /* prepare misc info for the beacon xmit */
3821 tcb_desc->queue_index = BEACON_QUEUE;
3822 /* IBSS does not support HT yet, use 1M defaultly */
3823 tcb_desc->data_rate = 2;
3824 tcb_desc->RATRIndex = 7;
3825 tcb_desc->bTxDisableRateFallBack = 1;
3826 tcb_desc->bTxUseDriverAssingedRate = 1;
3828 skb_push(skb, priv->ieee80211->tx_headroom);
3830 rtl8192_tx(priv->ieee80211->dev,skb);
3832 //spin_unlock_irqrestore (&priv->tx_lock, flags);
3836 /* this configures registers for beacon tx and enables it via
3837 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
3838 * be used to stop beacon transmission
3840 void rtl8192_start_beacon(struct net_device *dev)
3842 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
3843 struct ieee80211_network *net = &priv->ieee80211->current_network;
3848 DMESG("Enabling beacon TX");
3849 //rtl8192_prepare_beacon(dev);
3850 rtl8192_irq_disable(dev);
3851 //rtl8192_beacon_tx_enable(dev);
3854 write_nic_word(dev, ATIMWND, 2);
3856 /* Beacon interval (in unit of TU) */
3857 write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
3860 * DrvErlyInt (in unit of TU).
3861 * (Time to send interrupt to notify driver to c
3862 * hange beacon content)
3864 write_nic_word(dev, BCN_DRV_EARLY_INT, 10);
3867 * BcnDMATIM(in unit of us).
3868 * Indicates the time before TBTT to perform beacon queue DMA
3870 write_nic_word(dev, BCN_DMATIME, 256);
3873 * Force beacon frame transmission even after receiving
3874 * beacon frame from other ad hoc STA
3876 write_nic_byte(dev, BCN_ERR_THRESH, 100);
3878 /* Set CW and IFS */
3879 BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
3880 BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
3881 write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
3884 /* enable the interrupt for ad-hoc process */
3885 rtl8192_irq_enable(dev);
3887 /***************************************************************************
3888 -------------------------------NET STUFF---------------------------
3889 ***************************************************************************/
3893 static bool HalTxCheckStuck8190Pci(struct net_device *dev)
3895 u16 RegTxCounter = read_nic_word(dev, 0x128);
3896 struct r8192_priv *priv = ieee80211_priv(dev);
3897 bool bStuck = FALSE;
3898 RT_TRACE(COMP_RESET,"%s():RegTxCounter is %d,TxCounter is %d\n",__FUNCTION__,RegTxCounter,priv->TxCounter);
3899 if(priv->TxCounter==RegTxCounter)
3902 priv->TxCounter = RegTxCounter;
3908 * <Assumption: RT_TX_SPINLOCK is acquired.>
3909 * First added: 2006.11.19 by emily
3912 TxCheckStuck(struct net_device *dev)
3914 struct r8192_priv *priv = ieee80211_priv(dev);
3916 ptx_ring head=NULL,tail=NULL,txring = NULL;
3917 u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3918 bool bCheckFwTxCnt = false;
3919 //unsigned long flags;
3922 // Decide Stuch threshold according to current power save mode
3924 //printk("++++++++++++>%s()\n",__FUNCTION__);
3925 switch (priv->ieee80211->dot11PowerSaveMode)
3927 // The threshold value may required to be adjusted .
3928 case eActive: // Active/Continuous access.
3929 ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
3931 case eMaxPs: // Max power save mode.
3932 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3934 case eFastPs: // Fast power save mode.
3935 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
3940 // Check whether specific tcb has been queued for a specific time
3942 for(QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++)
3946 if(QueueID == TXCMD_QUEUE)
3951 tail=priv->txmapringtail;
3952 head=priv->txmapringhead;
3956 tail=priv->txbkpringtail;
3957 head=priv->txbkpringhead;
3961 tail=priv->txbepringtail;
3962 head=priv->txbepringhead;
3966 tail=priv->txvipringtail;
3967 head=priv->txvipringhead;
3971 tail=priv->txvopringtail;
3972 head=priv->txvopringhead;
3987 RT_TRACE(COMP_ERR,"%s():txring is NULL , BUG!\n",__FUNCTION__);
3990 txring->nStuckCount++;
3991 bCheckFwTxCnt = TRUE;
3997 if(HalTxCheckStuck8190Pci(dev))
3999 RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
4000 return RESET_TYPE_SILENT;
4004 return RESET_TYPE_NORESET;
4008 static bool HalRxCheckStuck8190Pci(struct net_device *dev)
4010 struct r8192_priv *priv = ieee80211_priv(dev);
4011 u16 RegRxCounter = read_nic_word(dev, 0x130);
4012 bool bStuck = FALSE;
4013 static u8 rx_chk_cnt = 0;
4014 RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
4015 // If rssi is small, we should check rx for long time because of bad rx.
4016 // or maybe it will continuous silent reset every 2 seconds.
4018 if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
4020 rx_chk_cnt = 0; //high rssi, check rx stuck right now.
4022 else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
4023 ((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
4024 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
4036 else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
4037 (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
4038 priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
4042 //DbgPrint("RSSI < %d && RSSI >= %d, no check this time \n", RateAdaptiveTH_Low, VeryLowRSSI);
4048 //DbgPrint("RSSI < %d && RSSI >= %d, check this time \n", RateAdaptiveTH_Low, VeryLowRSSI);
4055 //DbgPrint("RSSI <= %d, no check this time \n", VeryLowRSSI);
4061 //DbgPrint("RSSI <= %d, check this time \n", VeryLowRSSI);
4064 if(priv->RxCounter==RegRxCounter)
4067 priv->RxCounter = RegRxCounter;
4072 static RESET_TYPE RxCheckStuck(struct net_device *dev)
4075 if(HalRxCheckStuck8190Pci(dev))
4077 RT_TRACE(COMP_RESET, "RxStuck Condition\n");
4078 return RESET_TYPE_SILENT;
4081 return RESET_TYPE_NORESET;
4085 rtl819x_ifcheck_resetornot(struct net_device *dev)
4087 struct r8192_priv *priv = ieee80211_priv(dev);
4088 RESET_TYPE TxResetType = RESET_TYPE_NORESET;
4089 RESET_TYPE RxResetType = RESET_TYPE_NORESET;
4090 RT_RF_POWER_STATE rfState;
4092 rfState = priv->ieee80211->eRFPowerState;
4094 TxResetType = TxCheckStuck(dev);
4096 if( rfState != eRfOff &&
4097 /*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/
4098 (priv->ieee80211->iw_mode != IW_MODE_ADHOC))
4100 // If driver is in the status of firmware download failure , driver skips RF initialization and RF is
4101 // in turned off state. Driver should check whether Rx stuck and do silent reset. And
4102 // if driver is in firmware download failure status, driver should initialize RF in the following
4103 // silent reset procedure Emily, 2008.01.21
4105 // Driver should not check RX stuck in IBSS mode because it is required to
4106 // set Check BSSID in order to send beacon, however, if check BSSID is
4107 // set, STA cannot hear any packet a all. Emily, 2008.04.12
4108 RxResetType = RxCheckStuck(dev);
4112 RT_TRACE(COMP_RESET,"%s(): TxResetType is %d, RxResetType is %d\n",__FUNCTION__,TxResetType,RxResetType);
4113 if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL)
4114 return RESET_TYPE_NORMAL;
4115 else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT)
4116 return RESET_TYPE_SILENT;
4118 return RESET_TYPE_NORESET;
4123 static void CamRestoreAllEntry(struct net_device *dev)
4126 struct r8192_priv *priv = ieee80211_priv(dev);
4127 u8* MacAddr = priv->ieee80211->current_network.bssid;
4129 static u8 CAM_CONST_ADDR[4][6] = {
4130 {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
4131 {0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
4132 {0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
4133 {0x00, 0x00, 0x00, 0x00, 0x00, 0x03}};
4134 static u8 CAM_CONST_BROAD[] =
4135 {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
4137 RT_TRACE(COMP_SEC, "CamRestoreAllEntry: \n");
4140 if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40)||
4141 (priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104))
4144 for(EntryId=0; EntryId<4; EntryId++)
4147 MacAddr = CAM_CONST_ADDR[EntryId];
4151 priv->ieee80211->pairwise_key_type,
4159 else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP)
4163 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
4167 priv->ieee80211->pairwise_key_type,
4175 priv->ieee80211->pairwise_key_type,
4181 else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP)
4185 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
4189 priv->ieee80211->pairwise_key_type,
4197 priv->ieee80211->pairwise_key_type,
4206 if(priv->ieee80211->group_key_type == KEY_TYPE_TKIP)
4208 MacAddr = CAM_CONST_BROAD;
4209 for(EntryId=1 ; EntryId<4 ; EntryId++)
4215 priv->ieee80211->group_key_type,
4221 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
4225 priv->ieee80211->group_key_type,
4230 else if(priv->ieee80211->group_key_type == KEY_TYPE_CCMP)
4232 MacAddr = CAM_CONST_BROAD;
4233 for(EntryId=1; EntryId<4 ; EntryId++)
4239 priv->ieee80211->group_key_type,
4246 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
4250 priv->ieee80211->group_key_type,
4257 void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
4258 int _rtl8192_up(struct net_device *dev);
4261 * This function is used to fix Tx/Rx stop bug temporarily.
4262 * This function will do "system reset" to NIC when Tx or Rx is stuck.
4263 * The method checking Tx/Rx stuck of this function is supported by FW,
4264 * which reports Tx and Rx counter to register 0x128 and 0x130.
4266 static void rtl819x_ifsilentreset(struct net_device *dev)
4268 struct r8192_priv *priv = ieee80211_priv(dev);
4270 int reset_status = 0;
4271 struct ieee80211_device *ieee = priv->ieee80211;
4276 // 2007.07.20. If we need to check CCK stop, please uncomment this line.
4277 //bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter);
4279 if(priv->ResetProgress==RESET_TYPE_NORESET)
4283 //LZM for PS-Poll AID issue. 090429
4284 if(priv->ieee80211->state == IEEE80211_LINKED)
4285 LeisurePSLeave(dev);
4288 RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");
4290 // Set the variable for reset.
4291 priv->ResetProgress = RESET_TYPE_SILENT;
4292 // rtl8192_close(dev);
4294 down(&priv->wx_sem);
4297 RT_TRACE(COMP_ERR,"%s():the driver is not up! return\n",__FUNCTION__);
4302 RT_TRACE(COMP_RESET,"%s():======>start to down the driver\n",__FUNCTION__);
4303 if(!netif_queue_stopped(dev))
4304 netif_stop_queue(dev);
4306 dm_backup_dynamic_mechanism_state(dev);
4308 rtl8192_irq_disable(dev);
4309 rtl8192_cancel_deferred_work(priv);
4311 del_timer_sync(&priv->watch_dog_timer);
4312 ieee->sync_scan_hurryup = 1;
4313 if(ieee->state == IEEE80211_LINKED)
4315 down(&ieee->wx_sem);
4316 printk("ieee->state is IEEE80211_LINKED\n");
4317 ieee80211_stop_send_beacons(priv->ieee80211);
4318 del_timer_sync(&ieee->associate_timer);
4319 cancel_delayed_work(&ieee->associate_retry_wq);
4320 ieee80211_stop_scan(ieee);
4321 netif_carrier_off(dev);
4325 printk("ieee->state is NOT LINKED\n");
4326 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
4328 rtl8192_halt_adapter(dev, true);
4330 RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__FUNCTION__);
4331 RT_TRACE(COMP_RESET,"%s():===========>start to up the driver\n",__FUNCTION__);
4332 reset_status = _rtl8192_up(dev);
4334 RT_TRACE(COMP_RESET,"%s():<===========up process is finished\n",__FUNCTION__);
4335 if(reset_status == -1)
4344 RT_TRACE(COMP_ERR," ERR!!! %s(): Reset Failed!!\n",__FUNCTION__);
4348 ieee->is_silent_reset = 1;
4350 EnableHWSecurityConfig8192(dev);
4352 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
4354 ieee->set_chan(ieee->dev, ieee->current_network.channel);
4357 queue_work(ieee->wq, &ieee->associate_complete_wq);
4361 else if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_ADHOC)
4363 ieee->set_chan(ieee->dev, ieee->current_network.channel);
4364 ieee->link_change(ieee->dev);
4366 // notify_wx_assoc_event(ieee);
4368 ieee80211_start_send_beacons(ieee);
4370 if (ieee->data_hard_resume)
4371 ieee->data_hard_resume(ieee->dev);
4372 netif_carrier_on(ieee->dev);
4376 CamRestoreAllEntry(dev);
4378 // Restore the previous setting for all dynamic mechanism
4379 dm_restore_dynamic_mechanism_state(dev);
4381 priv->ResetProgress = RESET_TYPE_NORESET;
4382 priv->reset_count++;
4384 priv->bForcedSilentReset =false;
4385 priv->bResetInProgress = false;
4387 // For test --> force write UFWP.
4388 write_nic_byte(dev, UFWP, 1);
4389 RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
4395 void InactivePsWorkItemCallback(struct net_device *dev)
4397 struct r8192_priv *priv = ieee80211_priv(dev);
4398 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4401 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() ---------> \n");
4403 // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
4404 // is really scheduled.
4405 // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
4406 // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
4407 // blocks the IPS procedure of switching RF.
4408 // By Bruce, 2007-12-25.
4410 pPSC->bSwRfProcessing = TRUE;
4412 RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n", \
4413 pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
4416 MgntActSet_RF_State(dev, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
4419 // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
4421 pPSC->bSwRfProcessing = FALSE;
4422 RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <--------- \n");
4427 // Change current and default preamble mode.
4428 // 2005.01.06, by rcnjko.
4430 bool MgntActSet_802_11_PowerSaveMode(struct net_device *dev, u8 rtPsMode)
4432 struct r8192_priv *priv = ieee80211_priv(dev);
4433 //PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4434 //u8 RpwmVal, FwPwrMode;
4436 // Currently, we do not change power save mode on IBSS mode.
4437 if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
4443 // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
4444 // some AP will not response to our mgnt frames with PwrMgt bit set,
4445 // e.g. cannot associate the AP.
4446 // So I commented out it. 2005.02.16, by rcnjko.
4448 // // Change device's power save mode.
4449 // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
4451 // Update power save mode configured.
4452 //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
4453 if(!priv->ps_force) {
4454 priv->ieee80211->ps = rtPsMode;
4457 // Awake immediately
4458 if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
4460 unsigned long flags;
4462 //PlatformSetTimer(Adapter, &(pMgntInfo->AwakeTimer), 0);
4463 // Notify the AP we awke.
4464 rtl8192_hw_wakeup(dev);
4465 priv->ieee80211->sta_sleep = 0;
4467 spin_lock_irqsave(&(priv->ieee80211->mgmt_tx_lock), flags);
4468 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
4469 ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
4470 spin_unlock_irqrestore(&(priv->ieee80211->mgmt_tx_lock), flags);
4476 //================================================================================
4477 // Leisure Power Save in linked state.
4478 //================================================================================
4482 // Enter the leisure power save mode.
4484 void LeisurePSEnter(struct net_device *dev)
4486 struct r8192_priv *priv = ieee80211_priv(dev);
4487 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4489 //RT_TRACE(COMP_PS, "LeisurePSEnter()...\n");
4490 //RT_TRACE(COMP_PS, "pPSC->bLeisurePs = %d, ieee->ps = %d,pPSC->LpsIdleCount is %d,RT_CHECK_FOR_HANG_PERIOD is %d\n",
4491 // pPSC->bLeisurePs, priv->ieee80211->ps,pPSC->LpsIdleCount,RT_CHECK_FOR_HANG_PERIOD);
4493 if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
4494 (priv->ieee80211->state == IEEE80211_LINKED)) ||
4495 (priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
4496 (priv->ieee80211->iw_mode == IW_MODE_MASTER))
4499 if (pPSC->bLeisurePs)
4501 // Idle for a while if we connect to AP a while ago.
4502 if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) // 4 Sec
4505 if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
4508 //RT_TRACE(COMP_LPS, "LeisurePSEnter(): Enter 802.11 power save mode...\n");
4509 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
4514 pPSC->LpsIdleCount++;
4521 // Leave the leisure power save mode.
4523 void LeisurePSLeave(struct net_device *dev)
4525 struct r8192_priv *priv = ieee80211_priv(dev);
4526 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4529 //RT_TRACE(COMP_PS, "LeisurePSLeave()...\n");
4530 //RT_TRACE(COMP_PS, "pPSC->bLeisurePs = %d, ieee->ps = %d\n",
4531 // pPSC->bLeisurePs, priv->ieee80211->ps);
4533 if (pPSC->bLeisurePs)
4535 if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
4537 // move to lps_wakecomplete()
4538 //RT_TRACE(COMP_LPS, "LeisurePSLeave(): Busy Traffic , Leave 802.11 power save..\n");
4539 MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_DISABLED);
4549 // Enter the inactive power save mode. RF will be off
4550 // 2007.08.17, by shien chang.
4553 IPSEnter(struct net_device *dev)
4555 struct r8192_priv *priv = ieee80211_priv(dev);
4556 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4557 RT_RF_POWER_STATE rtState;
4559 if (pPSC->bInactivePs)
4561 rtState = priv->ieee80211->eRFPowerState;
4563 // Added by Bruce, 2007-12-25.
4564 // Do not enter IPS in the following conditions:
4565 // (1) RF is already OFF or Sleep
4566 // (2) bSwRfProcessing (indicates the IPS is still under going)
4567 // (3) Connectted (only disconnected can trigger IPS)
4568 // (4) IBSS (send Beacon)
4569 // (5) AP mode (send Beacon)
4571 if (rtState == eRfOn && !pPSC->bSwRfProcessing
4572 && (priv->ieee80211->state != IEEE80211_LINKED) )
4574 RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
4575 //printk("IPSEnter(): Turn off RF.\n");
4576 pPSC->eInactivePowerState = eRfOff;
4577 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
4578 InactivePsWorkItemCallback(dev);
4585 // Leave the inactive power save mode, RF will be on.
4586 // 2007.08.17, by shien chang.
4589 IPSLeave(struct net_device *dev)
4591 struct r8192_priv *priv = ieee80211_priv(dev);
4592 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
4593 RT_RF_POWER_STATE rtState;
4595 if (pPSC->bInactivePs)
4597 rtState = priv->ieee80211->eRFPowerState;
4598 if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->ieee80211->RfOffReason <= RF_CHANGE_BY_IPS)
4600 RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
4601 //printk("IPSLeave(): Turn on RF.\n");
4602 pPSC->eInactivePowerState = eRfOn;
4603 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
4604 InactivePsWorkItemCallback(dev);
4609 void IPSLeave_wq(void *data)
4611 struct ieee80211_device *ieee = container_of(data,struct ieee80211_device,ips_leave_wq);
4612 struct net_device *dev = ieee->dev;
4614 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4615 down(&priv->ieee80211->ips_sem);
4617 up(&priv->ieee80211->ips_sem);
4620 void ieee80211_ips_leave_wq(struct net_device *dev)
4622 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4623 RT_RF_POWER_STATE rtState;
4624 rtState = priv->ieee80211->eRFPowerState;
4626 if(priv->ieee80211->PowerSaveControl.bInactivePs){
4627 if(rtState == eRfOff){
4628 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
4630 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
4634 printk("=========>%s(): IPSLeave\n",__FUNCTION__);
4635 queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
4640 //added by amy 090331 end
4641 void ieee80211_ips_leave(struct net_device *dev)
4643 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
4644 down(&priv->ieee80211->ips_sem);
4646 up(&priv->ieee80211->ips_sem);
4650 static void rtl819x_update_rxcounts(
4651 struct r8192_priv *priv,
4660 *TotalRxDataNum = 0;
4662 SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
4663 priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
4664 priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
4665 for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
4666 *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
4667 *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
4672 void rtl819x_watchdog_wqcallback(struct work_struct *work)
4674 struct delayed_work *dwork = container_of(work,struct delayed_work,work);
4675 struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
4676 struct net_device *dev = priv->ieee80211->dev;
4677 struct ieee80211_device* ieee = priv->ieee80211;
4678 RESET_TYPE ResetType = RESET_TYPE_NORESET;
4679 static u8 check_reset_cnt=0;
4680 unsigned long flags;
4681 bool bBusyTraffic = false;
4682 static u8 last_time = 0;
4683 bool bEnterPS = false;
4685 if((!priv->up) || (priv->bHwRadioOff == true))
4690 hal_dm_watchdog(dev);
4692 // printk("watch_dog ENABLE_IPS\n");
4693 if(ieee->actscanning == false){
4694 //printk("%d,%d,%d,%d\n", ieee->eRFPowerState, ieee->is_set_key, ieee->proto_stoppping, ieee->wx_set_enc);
4695 if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&\
4696 (ieee->eRFPowerState == eRfOn)&&!ieee->is_set_key &&\
4697 (!ieee->proto_stoppping) && !ieee->wx_set_enc){
4698 if(ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
4699 //printk("====================>haha:IPSEnter()\n");
4701 //ieee80211_stop_scan(priv->ieee80211);
4706 {//to get busy traffic condition
4707 if(ieee->state == IEEE80211_LINKED)
4709 if( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
4710 ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
4711 bBusyTraffic = true;
4715 //added by amy for Leisure PS
4716 if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
4717 (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
4719 //printk("ieee->LinkDetectInfo.NumRxUnicastOkInPeriod is %d,ieee->LinkDetectInfo.NumTxOkInPeriod is %d\n",
4720 // ieee->LinkDetectInfo.NumRxUnicastOkInPeriod,ieee->LinkDetectInfo.NumTxOkInPeriod);
4728 //printk("***bEnterPS = %d\n", bEnterPS);
4729 // LeisurePS only work in infra mode.
4732 LeisurePSEnter(dev);
4736 LeisurePSLeave(dev);
4744 //RT_TRACE(COMP_LPS,"====>no link LPS leave\n");
4745 LeisurePSLeave(dev);
4749 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
4750 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
4751 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
4752 ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
4756 //added by amy for AP roaming
4759 if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
4761 u32 TotalRxBcnNum = 0;
4762 u32 TotalRxDataNum = 0;
4764 rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
4765 if((TotalRxBcnNum+TotalRxDataNum) == 0)
4767 if( ieee->eRFPowerState == eRfOff)
4768 RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
4769 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
4770 // Dot11d_Reset(dev);
4771 ieee->state = IEEE80211_ASSOCIATING;
4772 notify_wx_assoc_event(priv->ieee80211);
4773 RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
4774 ieee->is_roaming = true;
4775 ieee->is_set_key = false;
4776 ieee->link_change(dev);
4777 queue_work(ieee->wq, &ieee->associate_procedure_wq);
4780 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
4781 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
4784 //check if reset the driver
4785 spin_lock_irqsave(&priv->tx_lock,flags);
4786 if(check_reset_cnt++ >= 3 && !ieee->is_roaming && (last_time != 1))
4788 ResetType = rtl819x_ifcheck_resetornot(dev);
4789 check_reset_cnt = 3;
4790 //DbgPrint("Start to check silent reset\n");
4792 spin_unlock_irqrestore(&priv->tx_lock,flags);
4793 if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
4795 priv->ResetProgress = RESET_TYPE_NORMAL;
4796 RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
4799 /* disable silent reset temply 2008.9.11*/
4801 if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
4804 rtl819x_ifsilentreset(dev);
4809 priv->force_reset = false;
4810 priv->bForcedSilentReset = false;
4811 priv->bResetInProgress = false;
4812 RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
4816 void watch_dog_timer_callback(unsigned long data)
4818 struct r8192_priv *priv = ieee80211_priv((struct net_device *) data);
4819 queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
4820 mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
4823 int _rtl8192_up(struct net_device *dev)
4825 struct r8192_priv *priv = ieee80211_priv(dev);
4827 RT_STATUS init_status = RT_STATUS_SUCCESS;
4829 priv->ieee80211->ieee_up=1;
4830 priv->bdisable_nic = false; //YJ,add,091111
4831 RT_TRACE(COMP_INIT, "Bringing up iface");
4833 init_status = rtl8192_adapter_start(dev);
4834 if(init_status != RT_STATUS_SUCCESS)
4836 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
4839 RT_TRACE(COMP_INIT, "start adapter finished\n");
4841 if(priv->ieee80211->eRFPowerState!=eRfOn)
4842 MgntActSet_RF_State(dev, eRfOn, priv->ieee80211->RfOffReason);
4844 if(priv->ieee80211->state != IEEE80211_LINKED)
4845 ieee80211_softmac_start_protocol(priv->ieee80211);
4846 ieee80211_reset_queue(priv->ieee80211);
4847 watch_dog_timer_callback((unsigned long) dev);
4848 if(!netif_queue_stopped(dev))
4849 netif_start_queue(dev);
4851 netif_wake_queue(dev);
4857 static int rtl8192_open(struct net_device *dev)
4859 struct r8192_priv *priv = ieee80211_priv(dev);
4862 down(&priv->wx_sem);
4863 ret = rtl8192_up(dev);
4870 int rtl8192_up(struct net_device *dev)
4872 struct r8192_priv *priv = ieee80211_priv(dev);
4874 if (priv->up == 1) return -1;
4876 return _rtl8192_up(dev);
4880 static int rtl8192_close(struct net_device *dev)
4882 struct r8192_priv *priv = ieee80211_priv(dev);
4885 down(&priv->wx_sem);
4887 ret = rtl8192_down(dev);
4895 int rtl8192_down(struct net_device *dev)
4897 struct r8192_priv *priv = ieee80211_priv(dev);
4903 if (priv->up == 0) return -1;
4906 //LZM for PS-Poll AID issue. 090429
4907 if(priv->ieee80211->state == IEEE80211_LINKED)
4908 LeisurePSLeave(dev);
4912 priv->ieee80211->ieee_up = 0;
4913 RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
4915 if (!netif_queue_stopped(dev))
4916 netif_stop_queue(dev);
4918 rtl8192_irq_disable(dev);
4920 if(!priv->ieee80211->bSupportRemoteWakeUp) {
4921 MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_INIT);
4922 // 2006.11.30. System reset bit
4923 ulRegRead = read_nic_dword(dev, CPU_GEN);
4924 ulRegRead|=CPU_GEN_SYSTEM_RESET;
4925 write_nic_dword(dev, CPU_GEN, ulRegRead);
4927 //2008.06.03 for WOL
4928 write_nic_dword(dev, WFCRC0, 0xffffffff);
4929 write_nic_dword(dev, WFCRC1, 0xffffffff);
4930 write_nic_dword(dev, WFCRC2, 0xffffffff);
4933 ucRegRead = read_nic_byte(dev, GPO);
4935 write_nic_byte(dev, GPO, ucRegRead);
4937 //Write PMR register
4938 write_nic_byte(dev, PMR, 0x5);
4939 //Disable tx, enanble rx
4940 write_nic_byte(dev, MacBlkCtrl, 0xa);
4943 // flush_scheduled_work();
4944 rtl8192_cancel_deferred_work(priv);
4946 del_timer_sync(&priv->watch_dog_timer);
4948 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
4950 rtl8192_halt_adapter(dev,false);
4951 memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
4953 RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
4959 void rtl8192_commit(struct net_device *dev)
4961 struct r8192_priv *priv = ieee80211_priv(dev);
4963 if (priv->up == 0) return ;
4966 ieee80211_softmac_stop_protocol(priv->ieee80211,true);
4968 rtl8192_irq_disable(dev);
4969 rtl8192_halt_adapter(dev,true);
4973 void rtl8192_restart(struct work_struct *work)
4975 struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
4976 struct net_device *dev = priv->ieee80211->dev;
4978 down(&priv->wx_sem);
4980 rtl8192_commit(dev);
4985 static void r8192_set_multicast(struct net_device *dev)
4987 struct r8192_priv *priv = ieee80211_priv(dev);
4990 //down(&priv->wx_sem);
4994 promisc = (dev->flags & IFF_PROMISC) ? 1:0;
4996 if (promisc != priv->promisc) {
4998 // rtl8192_commit(dev);
5001 priv->promisc = promisc;
5003 //schedule_work(&priv->reset_wq);
5004 //up(&priv->wx_sem);
5008 static int r8192_set_mac_adr(struct net_device *dev, void *mac)
5010 struct r8192_priv *priv = ieee80211_priv(dev);
5011 struct sockaddr *addr = mac;
5013 down(&priv->wx_sem);
5015 memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
5017 schedule_work(&priv->reset_wq);
5023 /* based on ipw2200 driver */
5024 static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
5026 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5027 struct iwreq *wrq = (struct iwreq *)rq;
5029 struct ieee80211_device *ieee = priv->ieee80211;
5031 u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
5032 struct iw_point *p = &wrq->u.data;
5033 struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
5035 down(&priv->wx_sem);
5038 if (p->length < sizeof(struct ieee_param) || !p->pointer){
5043 ipw = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
5048 if (copy_from_user(ipw, p->pointer, p->length)) {
5055 case RTL_IOCTL_WPA_SUPPLICANT:
5056 //parse here for HW security
5057 if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
5059 if (ipw->u.crypt.set_tx)
5061 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
5062 ieee->pairwise_key_type = KEY_TYPE_CCMP;
5063 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
5064 ieee->pairwise_key_type = KEY_TYPE_TKIP;
5065 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
5067 if (ipw->u.crypt.key_len == 13)
5068 ieee->pairwise_key_type = KEY_TYPE_WEP104;
5069 else if (ipw->u.crypt.key_len == 5)
5070 ieee->pairwise_key_type = KEY_TYPE_WEP40;
5073 ieee->pairwise_key_type = KEY_TYPE_NA;
5075 if (ieee->pairwise_key_type)
5077 memcpy((u8*)key, ipw->u.crypt.key, 16);
5078 EnableHWSecurityConfig8192(dev);
5079 //we fill both index entry and 4th entry for pairwise key as in IPW interface, adhoc will only get here, so we need index entry for its default key serching!
5081 setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
5082 if (ieee->auth_mode != 2) //LEAP WEP will never set this.
5083 setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
5085 if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && ieee->pHTInfo->bCurrentHTSupport){
5086 write_nic_byte(dev, 0x173, 1); //fix aes bug
5090 else //if (ipw->u.crypt.idx) //group key use idx > 0
5092 memcpy((u8*)key, ipw->u.crypt.key, 16);
5093 if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
5094 ieee->group_key_type= KEY_TYPE_CCMP;
5095 else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
5096 ieee->group_key_type = KEY_TYPE_TKIP;
5097 else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
5099 if (ipw->u.crypt.key_len == 13)
5100 ieee->group_key_type = KEY_TYPE_WEP104;
5101 else if (ipw->u.crypt.key_len == 5)
5102 ieee->group_key_type = KEY_TYPE_WEP40;
5105 ieee->group_key_type = KEY_TYPE_NA;
5107 if (ieee->group_key_type)
5111 ipw->u.crypt.idx, //KeyIndex
5112 ieee->group_key_type, //KeyType
5113 broadcast_addr, //MacAddr
5123 printk("@@ wrq->u pointer = ");
5124 for(i=0;i<wrq->u.data.length;i++){
5125 if(i%10==0) printk("\n");
5126 printk( "%8x|", ((u32*)wrq->u.data.pointer)[i] );
5130 #endif /*JOHN_DEBUG*/
5131 ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
5146 static u8 HwRateToMRate90(bool bIsHT, u8 rate)
5152 case DESC90_RATE1M: ret_rate = MGN_1M; break;
5153 case DESC90_RATE2M: ret_rate = MGN_2M; break;
5154 case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break;
5155 case DESC90_RATE11M: ret_rate = MGN_11M; break;
5156 case DESC90_RATE6M: ret_rate = MGN_6M; break;
5157 case DESC90_RATE9M: ret_rate = MGN_9M; break;
5158 case DESC90_RATE12M: ret_rate = MGN_12M; break;
5159 case DESC90_RATE18M: ret_rate = MGN_18M; break;
5160 case DESC90_RATE24M: ret_rate = MGN_24M; break;
5161 case DESC90_RATE36M: ret_rate = MGN_36M; break;
5162 case DESC90_RATE48M: ret_rate = MGN_48M; break;
5163 case DESC90_RATE54M: ret_rate = MGN_54M; break;
5166 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
5172 case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break;
5173 case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break;
5174 case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break;
5175 case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break;
5176 case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break;
5177 case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break;
5178 case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break;
5179 case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break;
5180 case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break;
5181 case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break;
5182 case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break;
5183 case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break;
5184 case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break;
5185 case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break;
5186 case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break;
5187 case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break;
5188 case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break;
5191 RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
5200 * Function: UpdateRxPktTimeStamp
5201 * Overview: Recored down the TSF time stamp when receiving a packet
5209 * (pRfd->Status.TimeStampHigh is updated)
5210 * (pRfd->Status.TimeStampLow is updated)
5214 static void UpdateRxPktTimeStamp8190 (struct net_device *dev, struct ieee80211_rx_stats *stats)
5216 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5218 if(stats->bIsAMPDU && !stats->bFirstMPDU) {
5219 stats->mac_time[0] = priv->LastRxDescTSFLow;
5220 stats->mac_time[1] = priv->LastRxDescTSFHigh;
5222 priv->LastRxDescTSFLow = stats->mac_time[0];
5223 priv->LastRxDescTSFHigh = stats->mac_time[1];
5227 static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
5229 long signal_power; // in dBm.
5231 // Translate to dBm (x=0.5y-95).
5232 signal_power = (long)((signal_strength_index + 1) >> 1);
5235 return signal_power;
5240 // Update Rx signal related information in the packet reeived
5241 // to RxStats. User application can query RxStats to realize
5242 // current Rx signal status.
5245 // In normal operation, user only care about the information of the BSS
5246 // and we shall invoke this function if the packet received is from the BSS.
5249 rtl819x_update_rxsignalstatistics8190pci(
5250 struct r8192_priv * priv,
5251 struct ieee80211_rx_stats * pprevious_stats
5256 //2 <ToDo> Update Rx Statistics (such as signal strength and signal quality).
5259 if(priv->stats.recv_signal_power == 0)
5260 priv->stats.recv_signal_power = pprevious_stats->RecvSignalPower;
5262 // To avoid the past result restricting the statistics sensitivity, weight the current power (5/6) to speed up the
5263 // reaction of smoothed Signal Power.
5264 if(pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
5266 else if(pprevious_stats->RecvSignalPower < priv->stats.recv_signal_power)
5269 // We need more correct power of received packets and the "SignalStrength" of RxStats have been beautified or translated,
5270 // so we record the correct power in Dbm here. By Bruce, 2008-03-07.
5272 priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 + pprevious_stats->RecvSignalPower + weighting) / 6;
5276 rtl8190_process_cck_rxpathsel(
5277 struct r8192_priv * priv,
5278 struct ieee80211_rx_stats * pprevious_stats
5281 #ifdef RTL8190P //Only 90P 2T4R need to check
5282 char last_cck_adc_pwdb[4]={0,0,0,0};
5284 //cosa add for Rx path selection
5285 if(priv->rf_type == RF_2T4R && DM_RxPathSelTable.Enable)
5287 if(pprevious_stats->bIsCCK &&
5288 (pprevious_stats->bPacketToSelf ||pprevious_stats->bPacketBeacon))
5290 /* record the cck adc_pwdb to the sliding window. */
5291 if(priv->stats.cck_adc_pwdb.TotalNum++ >= PHY_RSSI_SLID_WIN_MAX)
5293 priv->stats.cck_adc_pwdb.TotalNum = PHY_RSSI_SLID_WIN_MAX;
5294 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
5296 last_cck_adc_pwdb[i] = priv->stats.cck_adc_pwdb.elements[i][priv->stats.cck_adc_pwdb.index];
5297 priv->stats.cck_adc_pwdb.TotalVal[i] -= last_cck_adc_pwdb[i];
5300 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
5302 priv->stats.cck_adc_pwdb.TotalVal[i] += pprevious_stats->cck_adc_pwdb[i];
5303 priv->stats.cck_adc_pwdb.elements[i][priv->stats.cck_adc_pwdb.index] = pprevious_stats->cck_adc_pwdb[i];
5305 priv->stats.cck_adc_pwdb.index++;
5306 if(priv->stats.cck_adc_pwdb.index >= PHY_RSSI_SLID_WIN_MAX)
5307 priv->stats.cck_adc_pwdb.index = 0;
5309 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
5311 DM_RxPathSelTable.cck_pwdb_sta[i] = priv->stats.cck_adc_pwdb.TotalVal[i]/priv->stats.cck_adc_pwdb.TotalNum;
5314 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
5316 if(pprevious_stats->cck_adc_pwdb[i] > (char)priv->undecorated_smoothed_cck_adc_pwdb[i])
5318 priv->undecorated_smoothed_cck_adc_pwdb[i] =
5319 ( (priv->undecorated_smoothed_cck_adc_pwdb[i]*(Rx_Smooth_Factor-1)) +
5320 (pprevious_stats->cck_adc_pwdb[i])) /(Rx_Smooth_Factor);
5321 priv->undecorated_smoothed_cck_adc_pwdb[i] = priv->undecorated_smoothed_cck_adc_pwdb[i] + 1;
5325 priv->undecorated_smoothed_cck_adc_pwdb[i] =
5326 ( (priv->undecorated_smoothed_cck_adc_pwdb[i]*(Rx_Smooth_Factor-1)) +
5327 (pprevious_stats->cck_adc_pwdb[i])) /(Rx_Smooth_Factor);
5336 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
5337 be a local static. Otherwise, it may increase when we return from S3/S4. The
5338 value will be kept in memory or disk. We must delcare the value in adapter
5339 and it will be reinitialized when return from S3/S4. */
5340 static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
5342 bool bcheck = false;
5344 u32 nspatial_stream, tmp_val;
5346 static u32 slide_rssi_index=0, slide_rssi_statistics=0;
5347 static u32 slide_evm_index=0, slide_evm_statistics=0;
5348 static u32 last_rssi=0, last_evm=0;
5349 //cosa add for rx path selection
5350 // static long slide_cck_adc_pwdb_index=0, slide_cck_adc_pwdb_statistics=0;
5351 // static char last_cck_adc_pwdb[4]={0,0,0,0};
5352 //cosa add for beacon rssi smoothing
5353 static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
5354 static u32 last_beacon_adc_pwdb=0;
5356 struct ieee80211_hdr_3addr *hdr;
5358 unsigned int frag,seq;
5359 hdr = (struct ieee80211_hdr_3addr *)buffer;
5360 sc = le16_to_cpu(hdr->seq_ctl);
5361 frag = WLAN_GET_SEQ_FRAG(sc);
5362 seq = WLAN_GET_SEQ_SEQ(sc);
5363 //cosa add 04292008 to record the sequence number
5364 pcurrent_stats->Seq_Num = seq;
5366 // Check whether we should take the previous packet into accounting
5368 if(!pprevious_stats->bIsAMPDU)
5370 // if previous packet is not aggregated packet
5374 //remve for that we don't use AMPDU to calculate PWDB,because the reported PWDB of some AP is fault.
5376 // if previous packet is aggregated packet, and current packet
5378 // (2) is the first packet of one AMPDU
5379 // that means the previous packet is the last one aggregated packet
5380 if( !pcurrent_stats->bIsAMPDU || pcurrent_stats->bFirstMPDU)
5385 if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
5387 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
5388 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
5389 priv->stats.slide_rssi_total -= last_rssi;
5391 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
5393 priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
5394 if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
5395 slide_rssi_index = 0;
5397 // <1> Showed on UI for user, in dbm
5398 tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
5399 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
5400 pcurrent_stats->rssi = priv->stats.signal_strength;
5402 // If the previous packet does not match the criteria, neglect it
5404 if(!pprevious_stats->bPacketMatchBSSID)
5406 if(!pprevious_stats->bToSelfBA)
5413 rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
5418 priv->stats.num_process_phyinfo++;
5420 /* record the general signal strength to the sliding window. */
5421 if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
5423 slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
5424 last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
5425 priv->stats.slide_rssi_total -= last_rssi;
5427 priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
5429 priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
5430 if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
5431 slide_rssi_index = 0;
5433 // <1> Showed on UI for user, in dbm
5434 tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
5435 priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
5438 // <2> Showed on UI for engineering
5439 // hardware does not provide rssi information for each rf path in CCK
5440 if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
5442 for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
5444 if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, rfpath))
5446 RT_TRACE(COMP_DBG,"Jacken -> pPreviousstats->RxMIMOSignalStrength[rfpath] = %d \n" ,pprevious_stats->RxMIMOSignalStrength[rfpath] );
5447 //Fixed by Jacken 2008-03-20
5448 if(priv->stats.rx_rssi_percentage[rfpath] == 0)
5450 priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
5451 //DbgPrint("MIMO RSSI initialize \n");
5453 if(pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath])
5455 priv->stats.rx_rssi_percentage[rfpath] =
5456 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
5457 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
5458 priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
5462 priv->stats.rx_rssi_percentage[rfpath] =
5463 ( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
5464 (pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
5466 RT_TRACE(COMP_DBG,"Jacken -> priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" ,priv->stats.rx_rssi_percentage[rfpath] );
5474 //cosa add for beacon rssi smoothing by average.
5475 if(pprevious_stats->bPacketBeacon)
5477 /* record the beacon pwdb to the sliding window. */
5478 if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
5480 slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
5481 last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
5482 priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
5483 //DbgPrint("slide_beacon_adc_pwdb_index = %d, last_beacon_adc_pwdb = %d, Adapter->RxStats.Slide_Beacon_Total = %d\n",
5484 // slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
5486 priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
5487 priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
5488 //DbgPrint("slide_beacon_adc_pwdb_index = %d, pPreviousRfd->Status.RxPWDBAll = %d\n", slide_beacon_adc_pwdb_index, pPreviousRfd->Status.RxPWDBAll);
5489 slide_beacon_adc_pwdb_index++;
5490 if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
5491 slide_beacon_adc_pwdb_index = 0;
5492 pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
5493 if(pprevious_stats->RxPWDBAll >= 3)
5494 pprevious_stats->RxPWDBAll -= 3;
5497 RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
5498 pprevious_stats->bIsCCK? "CCK": "OFDM",
5499 pprevious_stats->RxPWDBAll);
5501 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
5503 if(priv->undecorated_smoothed_pwdb < 0) // initialize
5505 priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
5506 //DbgPrint("First pwdb initialize \n");
5509 if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
5511 priv->undecorated_smoothed_pwdb =
5512 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
5513 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
5514 priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
5518 priv->undecorated_smoothed_pwdb =
5519 ( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
5520 (pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
5523 //Fixed by Jacken 2008-03-20
5524 if(pPreviousRfd->Status.RxPWDBAll > (u32)pHalData->UndecoratedSmoothedPWDB)
5526 pHalData->UndecoratedSmoothedPWDB =
5527 ( ((pHalData->UndecoratedSmoothedPWDB)* 5) + (pPreviousRfd->Status.RxPWDBAll)) / 6;
5528 pHalData->UndecoratedSmoothedPWDB = pHalData->UndecoratedSmoothedPWDB + 1;
5532 pHalData->UndecoratedSmoothedPWDB =
5533 ( ((pHalData->UndecoratedSmoothedPWDB)* 5) + (pPreviousRfd->Status.RxPWDBAll)) / 6;
5536 rtl819x_update_rxsignalstatistics8190pci(priv,pprevious_stats);
5542 /* record the general EVM to the sliding window. */
5543 if(pprevious_stats->SignalQuality == 0)
5548 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
5549 if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
5550 slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
5551 last_evm = priv->stats.slide_evm[slide_evm_index];
5552 priv->stats.slide_evm_total -= last_evm;
5555 priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
5557 priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
5558 if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
5559 slide_evm_index = 0;
5561 // <1> Showed on UI for user, in percentage.
5562 tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
5563 priv->stats.signal_quality = tmp_val;
5564 //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
5565 priv->stats.last_signal_strength_inpercent = tmp_val;
5568 // <2> Showed on UI for engineering
5569 if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
5571 for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
5573 if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
5575 if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
5577 priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
5579 priv->stats.rx_evm_percentage[nspatial_stream] =
5580 ( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
5581 (pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
5589 /*-----------------------------------------------------------------------------
5590 * Function: rtl819x_query_rxpwrpercentage()
5594 * Input: char antpower
5598 * Return: 0-100 percentage
5602 * 05/26/2008 amy Create Version 0 porting from windows code.
5604 *---------------------------------------------------------------------------*/
5605 static u8 rtl819x_query_rxpwrpercentage(
5609 if ((antpower <= -100) || (antpower >= 20))
5613 else if (antpower >= 0)
5619 return (100+antpower);
5622 } /* QueryRxPwrPercentage */
5625 rtl819x_evm_dbtopercentage(
5637 ret_val = 0 - ret_val;
5646 // We want good-looking for signal strength/quality
5647 // 2007/7/19 01:09, by cosa.
5649 static long rtl819x_signal_scale_mapping(long currsig)
5653 // Step 1. Scale mapping.
5654 if(currsig >= 61 && currsig <= 100)
5656 retsig = 90 + ((currsig - 60) / 4);
5658 else if(currsig >= 41 && currsig <= 60)
5660 retsig = 78 + ((currsig - 40) / 2);
5662 else if(currsig >= 31 && currsig <= 40)
5664 retsig = 66 + (currsig - 30);
5666 else if(currsig >= 21 && currsig <= 30)
5668 retsig = 54 + (currsig - 20);
5670 else if(currsig >= 5 && currsig <= 20)
5672 retsig = 42 + (((currsig - 5) * 2) / 3);
5674 else if(currsig == 4)
5678 else if(currsig == 3)
5682 else if(currsig == 2)
5686 else if(currsig == 1)
5698 static void rtl8192_query_rxphystatus(
5699 struct r8192_priv * priv,
5700 struct ieee80211_rx_stats * pstats,
5701 prx_desc_819x_pci pdesc,
5702 prx_fwinfo_819x_pci pdrvinfo,
5703 struct ieee80211_rx_stats * precord_stats,
5704 bool bpacket_match_bssid,
5705 bool bpacket_toself,
5710 //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status);
5711 phy_sts_ofdm_819xpci_t* pofdm_buf;
5712 phy_sts_cck_819xpci_t * pcck_buf;
5713 phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
5715 u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
5716 char rx_pwr[4], rx_pwr_all=0;
5717 //long rx_avg_pwr = 0;
5718 char rx_snrX, rx_evmX;
5720 u32 RSSI, total_rssi=0;//, total_evm=0;
5721 // long signal_strength_index = 0;
5725 /* 2007/07/04 MH For OFDM RSSI. For high power or not. */
5726 static u8 check_reg824 = 0;
5727 static u32 reg824_bit9 = 0;
5729 priv->stats.numqry_phystatus++;
5731 is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
5733 // Record it for next packet processing
5734 memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
5735 pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
5736 pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
5737 pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
5738 pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
5739 pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
5740 /*2007.08.30 requested by SD3 Jerry */
5741 if(check_reg824 == 0)
5743 reg824_bit9 = rtl8192_QueryBBReg(priv->ieee80211->dev, rFPGA0_XA_HSSIParameter2, 0x200);
5748 prxpkt = (u8*)pdrvinfo;
5750 /* Move pointer to the 16th bytes. Phy status start address. */
5751 prxpkt += sizeof(rx_fwinfo_819x_pci);
5753 /* Initial the cck and ofdm buffer pointer */
5754 pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
5755 pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
5757 pstats->RxMIMOSignalQuality[0] = -1;
5758 pstats->RxMIMOSignalQuality[1] = -1;
5759 precord_stats->RxMIMOSignalQuality[0] = -1;
5760 precord_stats->RxMIMOSignalQuality[1] = -1;
5765 // (1)Hardware does not provide RSSI for CCK
5769 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
5771 u8 report;//, cck_agc_rpt;
5774 char cck_adc_pwdb[4];
5776 priv->stats.numqry_phystatusCCK++;
5778 #ifdef RTL8190P //Only 90P 2T4R need to check
5779 if(priv->rf_type == RF_2T4R && DM_RxPathSelTable.Enable && bpacket_match_bssid)
5781 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
5783 tmp_pwdb = pcck_buf->adc_pwdb_X[i];
5784 cck_adc_pwdb[i] = (char)tmp_pwdb;
5785 cck_adc_pwdb[i] /= 2;
5786 pstats->cck_adc_pwdb[i] = precord_stats->cck_adc_pwdb[i] = cck_adc_pwdb[i];
5787 //DbgPrint("RF-%d tmp_pwdb = 0x%x, cck_adc_pwdb = %d", i, tmp_pwdb, cck_adc_pwdb[i]);
5794 report = pcck_buf->cck_agc_rpt & 0xc0;
5798 //Fixed by Jacken from Bryant 2008-03-20
5799 //Original value is -38 , -26 , -14 , -2
5800 //Fixed value is -35 , -23 , -11 , 6
5802 rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
5805 rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
5808 rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
5811 rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
5817 report = pcck_buf->cck_agc_rpt & 0x60;
5822 rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
5825 rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
5828 rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
5831 rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
5836 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
5837 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
5838 pstats->RecvSignalPower = rx_pwr_all;
5841 // (3) Get Signal Quality (EVM)
5843 if(bpacket_match_bssid)
5847 if(pstats->RxPWDBAll > 40)
5852 sq = pcck_buf->sq_rpt;
5854 if(pcck_buf->sq_rpt > 64)
5856 else if (pcck_buf->sq_rpt < 20)
5859 sq = ((64-sq) * 100) / 44;
5861 pstats->SignalQuality = precord_stats->SignalQuality = sq;
5862 pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
5863 pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
5868 priv->stats.numqry_phystatusHT++;
5870 // (1)Get RSSI for HT rate
5872 for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
5874 // 2008/01/30 MH we will judge RF RX path now.
5875 if (priv->brfpath_rxenable[i])
5880 //Fixed by Jacken from Bryant 2008-03-20
5881 //Original value is 106
5882 #ifdef RTL8190P //Modify by Jacken 2008/03/31
5883 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 106;
5885 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
5888 //Get Rx snr value in DB
5889 tmp_rxsnr = pofdm_buf->rxsnr_X[i];
5890 rx_snrX = (char)(tmp_rxsnr);
5892 priv->stats.rxSNRdB[i] = (long)rx_snrX;
5894 /* Translate DBM to percentage. */
5895 RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
5896 if (priv->brfpath_rxenable[i])
5899 /* Record Signal Strength for next packet */
5900 if(bpacket_match_bssid)
5902 pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
5903 precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
5909 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
5911 //Fixed by Jacken from Bryant 2008-03-20
5912 //Original value is 106
5913 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
5914 pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
5916 pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
5917 pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
5918 pstats->RecvSignalPower = rx_pwr_all;
5920 // (3)EVM of HT rate
5922 if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
5923 pdrvinfo->RxRate<=DESC90_RATEMCS15)
5924 max_spatial_stream = 2; //both spatial stream make sense
5926 max_spatial_stream = 1; //only spatial stream 1 makes sense
5928 for(i=0; i<max_spatial_stream; i++)
5930 tmp_rxevm = pofdm_buf->rxevm_X[i];
5931 rx_evmX = (char)(tmp_rxevm);
5933 // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
5934 // fill most significant bit to "zero" when doing shifting operation which may change a negative
5935 // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
5938 evm = rtl819x_evm_dbtopercentage(rx_evmX);
5940 EVM = SignalScaleMapping(EVM);//make it good looking, from 0~100
5942 if(bpacket_match_bssid)
5944 if(i==0) // Fill value in RFD, Get the first spatial stream only
5945 pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
5946 pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
5951 /* record rx statistics for debug */
5952 rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
5953 prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
5954 if(pdrvinfo->BW) //40M channel
5955 priv->stats.received_bwtype[1+prxsc->rxsc]++;
5957 priv->stats.received_bwtype[0]++;
5960 //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
5961 //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
5964 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
5969 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
5970 // We can judge RX path number now.
5972 pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
5974 } /* QueryRxPhyStatus8190Pci */
5977 rtl8192_record_rxdesc_forlateruse(
5978 struct ieee80211_rx_stats * psrc_stats,
5979 struct ieee80211_rx_stats * ptarget_stats
5982 ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
5983 ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
5984 //ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
5989 static void TranslateRxSignalStuff819xpci(struct net_device *dev,
5990 struct sk_buff *skb,
5991 struct ieee80211_rx_stats * pstats,
5992 prx_desc_819x_pci pdesc,
5993 prx_fwinfo_819x_pci pdrvinfo)
5995 // TODO: We must only check packet for current MAC address. Not finish
5996 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
5997 bool bpacket_match_bssid, bpacket_toself;
5998 bool bPacketBeacon=false, bToSelfBA=false;
5999 static struct ieee80211_rx_stats previous_stats;
6000 struct ieee80211_hdr_3addr *hdr;
6003 // Get Signal Quality for only RX data queue (but not command queue)
6008 /* Get MAC frame start address. */
6009 tmp_buf = skb->data;
6011 hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
6012 fc = le16_to_cpu(hdr->frame_ctl);
6013 type = WLAN_FC_GET_TYPE(fc);
6014 praddr = hdr->addr1;
6016 /* Check if the received packet is acceptabe. */
6017 bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
6018 (eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
6019 && (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
6020 bpacket_toself = bpacket_match_bssid & (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
6022 if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
6024 bPacketBeacon = true;
6025 //DbgPrint("Beacon 2, MatchBSSID = %d, ToSelf = %d \n", bPacketMatchBSSID, bPacketToSelf);
6027 if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
6029 if((eqMacAddr(praddr,dev->dev_addr)))
6031 //DbgPrint("BlockAck, MatchBSSID = %d, ToSelf = %d \n", bPacketMatchBSSID, bPacketToSelf);
6035 if(bpacket_match_bssid)
6037 priv->stats.numpacket_matchbssid++;
6040 priv->stats.numpacket_toself++;
6043 // Process PHY information for previous packet (RSSI/PWDB/EVM)
6045 // Because phy information is contained in the last packet of AMPDU only, so driver
6046 // should process phy information of previous packet
6047 rtl8192_process_phyinfo(priv, tmp_buf,&previous_stats, pstats);
6048 rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &previous_stats, bpacket_match_bssid,
6049 bpacket_toself ,bPacketBeacon, bToSelfBA);
6050 rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
6055 static void rtl8192_tx_resume(struct net_device *dev)
6057 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
6058 struct ieee80211_device *ieee = priv->ieee80211;
6059 struct sk_buff *skb;
6062 for(queue_index = BK_QUEUE; queue_index < TXCMD_QUEUE;queue_index++) {
6063 while((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
6064 (priv->ieee80211->check_nic_enough_desc(dev,queue_index) > 0)) {
6065 /* 1. dequeue the packet from the wait queue */
6066 skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
6067 /* 2. tx the packet directly */
6068 ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
6070 if(queue_index!=MGNT_QUEUE) {
6071 ieee->stats.tx_packets++;
6072 ieee->stats.tx_bytes += skb->len;
6079 void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
6081 rtl8192_tx_resume(priv->ieee80211->dev);
6085 * Function: UpdateReceivedRateHistogramStatistics
6086 * Overview: Recored down the received data rate
6094 * (Adapter->RxStats.ReceivedRateHistogram[] is updated)
6098 static void UpdateReceivedRateHistogramStatistics8190(
6099 struct net_device *dev,
6100 struct ieee80211_rx_stats* pstats
6103 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
6104 u32 rcvType=1; //0: Total, 1:OK, 2:CRC, 3:ICV
6106 u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
6108 /* 2007/03/09 MH We will not update rate of packet from rx cmd queue. */
6110 if (pRfd->queue_id == CMPK_RX_QUEUE_ID)
6115 else if(pstats->bICV)
6118 if(pstats->bShortPreamble)
6119 preamble_guardinterval = 1;// short
6121 preamble_guardinterval = 0;// long
6123 switch(pstats->rate)
6128 case MGN_1M: rateIndex = 0; break;
6129 case MGN_2M: rateIndex = 1; break;
6130 case MGN_5_5M: rateIndex = 2; break;
6131 case MGN_11M: rateIndex = 3; break;
6135 case MGN_6M: rateIndex = 4; break;
6136 case MGN_9M: rateIndex = 5; break;
6137 case MGN_12M: rateIndex = 6; break;
6138 case MGN_18M: rateIndex = 7; break;
6139 case MGN_24M: rateIndex = 8; break;
6140 case MGN_36M: rateIndex = 9; break;
6141 case MGN_48M: rateIndex = 10; break;
6142 case MGN_54M: rateIndex = 11; break;
6144 // 11n High throughput rate
6146 case MGN_MCS0: rateIndex = 12; break;
6147 case MGN_MCS1: rateIndex = 13; break;
6148 case MGN_MCS2: rateIndex = 14; break;
6149 case MGN_MCS3: rateIndex = 15; break;
6150 case MGN_MCS4: rateIndex = 16; break;
6151 case MGN_MCS5: rateIndex = 17; break;
6152 case MGN_MCS6: rateIndex = 18; break;
6153 case MGN_MCS7: rateIndex = 19; break;
6154 case MGN_MCS8: rateIndex = 20; break;
6155 case MGN_MCS9: rateIndex = 21; break;
6156 case MGN_MCS10: rateIndex = 22; break;
6157 case MGN_MCS11: rateIndex = 23; break;
6158 case MGN_MCS12: rateIndex = 24; break;
6159 case MGN_MCS13: rateIndex = 25; break;
6160 case MGN_MCS14: rateIndex = 26; break;
6161 case MGN_MCS15: rateIndex = 27; break;
6162 default: rateIndex = 28; break;
6164 priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
6165 priv->stats.received_rate_histogram[0][rateIndex]++; //total
6166 priv->stats.received_rate_histogram[rcvType][rateIndex]++;
6169 static void rtl8192_rx(struct net_device *dev)
6171 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
6172 struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
6173 bool unicast_packet = false;
6174 struct ieee80211_rx_stats stats = {
6178 .freq = IEEE80211_24GHZ_BAND,
6180 unsigned int count = priv->rxringcount;
6182 stats.nic_type = NIC_8192E;
6185 rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
6186 struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
6189 /* wait data to be filled by hardware */
6192 stats.bICV = pdesc->ICV;
6193 stats.bCRC = pdesc->CRC32;
6194 stats.bHwError = pdesc->CRC32 | pdesc->ICV;
6196 stats.Length = pdesc->Length;
6197 if(stats.Length < 24)
6198 stats.bHwError |= 1;
6200 if(stats.bHwError) {
6201 stats.bShift = false;
6204 if (pdesc->Length <500)
6205 priv->stats.rxcrcerrmin++;
6206 else if (pdesc->Length >1000)
6207 priv->stats.rxcrcerrmax++;
6209 priv->stats.rxcrcerrmid++;
6213 prx_fwinfo_819x_pci pDrvInfo = NULL;
6214 struct sk_buff *new_skb = dev_alloc_skb(priv->rxbuffersize);
6216 if (unlikely(!new_skb)) {
6220 stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
6221 stats.RxBufShift = ((pdesc->Shift)&0x03);
6222 stats.Decrypted = !pdesc->SWDec;
6224 pci_dma_sync_single_for_cpu(priv->pdev,
6225 *((dma_addr_t *)skb->cb),
6227 PCI_DMA_FROMDEVICE);
6228 skb_put(skb, pdesc->Length);
6229 pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
6230 skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
6232 stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
6233 stats.bShortPreamble = pDrvInfo->SPLCP;
6235 /* it is debug only. It should be disabled in released driver.
6236 * 2007.1.11 by Emily
6238 UpdateReceivedRateHistogramStatistics8190(dev, &stats);
6240 stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
6241 stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
6243 stats.TimeStampLow = pDrvInfo->TSFL;
6244 stats.TimeStampHigh = read_nic_dword(dev, TSFR+4);
6246 UpdateRxPktTimeStamp8190(dev, &stats);
6249 // Get Total offset of MPDU Frame Body
6251 if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
6254 stats.RxIs40MHzPacket = pDrvInfo->BW;
6257 TranslateRxSignalStuff819xpci(dev,skb, &stats, pdesc, pDrvInfo);
6260 if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
6261 RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
6262 pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
6263 skb_trim(skb, skb->len - 4/*sCrcLng*/);
6264 /* rx packets statistics */
6265 ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
6266 unicast_packet = false;
6268 if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
6270 }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
6273 /* unicast packet */
6274 unicast_packet = true;
6277 stats.packetlength = stats.Length-4;
6278 stats.fraglength = stats.packetlength;
6279 stats.fragoffset = 0;
6280 stats.ntotalfrag = 1;
6282 if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
6283 dev_kfree_skb_any(skb);
6286 if(unicast_packet) {
6287 priv->stats.rxbytesunicast += skb->len;
6292 priv->rx_buf[priv->rx_idx] = skb;
6293 *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb->tail, priv->rxbuffersize, PCI_DMA_FROMDEVICE);
6294 // *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
6299 pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
6301 pdesc->Length = priv->rxbuffersize;
6302 if (priv->rx_idx == priv->rxringcount-1)
6304 priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
6309 void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
6311 rtl8192_rx(priv->ieee80211->dev);
6313 write_nic_dword(priv->ieee80211->dev, INTA_MASK,read_nic_dword(priv->ieee80211->dev, INTA_MASK) | IMR_RDU);
6316 static const struct net_device_ops rtl8192_netdev_ops = {
6317 .ndo_open = rtl8192_open,
6318 .ndo_stop = rtl8192_close,
6319 /* .ndo_get_stats = rtl8192_stats, */
6320 .ndo_tx_timeout = tx_timeout,
6321 .ndo_do_ioctl = rtl8192_ioctl,
6322 .ndo_set_multicast_list = r8192_set_multicast,
6323 .ndo_set_mac_address = r8192_set_mac_adr,
6324 .ndo_start_xmit = ieee80211_rtl_xmit,
6327 /****************************************************************************
6328 ---------------------------- PCI_STUFF---------------------------
6329 *****************************************************************************/
6331 static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
6332 const struct pci_device_id *id)
6334 unsigned long ioaddr = 0;
6335 struct net_device *dev = NULL;
6336 struct r8192_priv *priv= NULL;
6339 #ifdef CONFIG_RTL8192_IO_MAP
6340 unsigned long pio_start, pio_len, pio_flags;
6342 unsigned long pmem_start, pmem_len, pmem_flags;
6343 #endif //end #ifdef RTL_IO_MAP
6345 RT_TRACE(COMP_INIT,"Configuring chip resources");
6347 if( pci_enable_device (pdev) ){
6348 RT_TRACE(COMP_ERR,"Failed to enable PCI device");
6352 pci_set_master(pdev);
6353 //pci_set_wmi(pdev);
6354 pci_set_dma_mask(pdev, 0xffffff00ULL);
6355 pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
6356 dev = alloc_ieee80211(sizeof(struct r8192_priv));
6360 pci_set_drvdata(pdev, dev);
6361 SET_NETDEV_DEV(dev, &pdev->dev);
6362 priv = ieee80211_priv(dev);
6363 priv->ieee80211 = netdev_priv(dev);
6365 if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
6366 priv->ieee80211->bSupportRemoteWakeUp = 1;
6369 priv->ieee80211->bSupportRemoteWakeUp = 0;
6372 #ifdef CONFIG_RTL8192_IO_MAP
6374 pio_start = (unsigned long)pci_resource_start (pdev, 0);
6375 pio_len = (unsigned long)pci_resource_len (pdev, 0);
6376 pio_flags = (unsigned long)pci_resource_flags (pdev, 0);
6378 if (!(pio_flags & IORESOURCE_IO)) {
6379 RT_TRACE(COMP_ERR,"region #0 not a PIO resource, aborting");
6383 //DMESG("IO space @ 0x%08lx", pio_start );
6384 if( ! request_region( pio_start, pio_len, RTL819xE_MODULE_NAME ) ){
6385 RT_TRACE(COMP_ERR,"request_region failed!");
6390 dev->base_addr = ioaddr; // device I/O address
6394 pmem_start = pci_resource_start(pdev, 1);
6395 pmem_len = pci_resource_len(pdev, 1);
6396 pmem_flags = pci_resource_flags (pdev, 1);
6398 if (!(pmem_flags & IORESOURCE_MEM)) {
6399 RT_TRACE(COMP_ERR,"region #1 not a MMIO resource, aborting");
6403 //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
6404 if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
6405 RT_TRACE(COMP_ERR,"request_mem_region failed!");
6410 ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
6411 if( ioaddr == (unsigned long)NULL ){
6412 RT_TRACE(COMP_ERR,"ioremap failed!");
6413 // release_mem_region( pmem_start, pmem_len );
6417 dev->mem_start = ioaddr; // shared mem start
6418 dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end
6420 #endif //end #ifdef RTL_IO_MAP
6422 /* We disable the RETRY_TIMEOUT register (0x41) to keep
6423 * PCI Tx retries from interfering with C3 CPU state */
6424 pci_write_config_byte(pdev, 0x41, 0x00);
6427 pci_read_config_byte(pdev, 0x05, &unit);
6428 pci_write_config_byte(pdev, 0x05, unit & (~0x04));
6430 dev->irq = pdev->irq;
6433 dev->netdev_ops = &rtl8192_netdev_ops;
6435 dev->open = rtl8192_open;
6436 dev->stop = rtl8192_close;
6437 //dev->hard_start_xmit = rtl8192_8023_hard_start_xmit;
6438 dev->tx_timeout = tx_timeout;
6439 //dev->wireless_handlers = &r8192_wx_handlers_def;
6440 dev->do_ioctl = rtl8192_ioctl;
6441 dev->set_multicast_list = r8192_set_multicast;
6442 dev->set_mac_address = r8192_set_mac_adr;
6445 //DMESG("Oops: i'm coming\n");
6446 #if WIRELESS_EXT >= 12
6447 #if WIRELESS_EXT < 17
6448 dev->get_wireless_stats = r8192_get_wireless_stats;
6450 dev->wireless_handlers = (struct iw_handler_def *) &r8192_wx_handlers_def;
6452 //dev->get_wireless_stats = r8192_get_wireless_stats;
6453 dev->type=ARPHRD_ETHER;
6455 dev->watchdog_timeo = HZ*3; //modified by john, 0805
6457 if (dev_alloc_name(dev, ifname) < 0){
6458 RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
6460 dev_alloc_name(dev, ifname);
6463 RT_TRACE(COMP_INIT, "Driver probe completed1\n");
6464 if(rtl8192_init(dev)!=0){
6465 RT_TRACE(COMP_ERR, "Initialization failed");
6469 netif_carrier_off(dev);
6470 netif_stop_queue(dev);
6472 register_netdev(dev);
6473 RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
6474 rtl8192_proc_init_one(dev);
6477 RT_TRACE(COMP_INIT, "Driver probe completed\n");
6482 #ifdef CONFIG_RTL8180_IO_MAP
6484 if( dev->base_addr != 0 ){
6486 release_region(dev->base_addr,
6487 pci_resource_len(pdev, 0) );
6490 if( dev->mem_start != (unsigned long)NULL ){
6491 iounmap( (void *)dev->mem_start );
6492 release_mem_region( pci_resource_start(pdev, 1),
6493 pci_resource_len(pdev, 1) );
6495 #endif //end #ifdef RTL_IO_MAP
6501 free_irq(dev->irq, dev);
6504 free_ieee80211(dev);
6507 pci_disable_device(pdev);
6509 DMESG("wlan driver load failed\n");
6510 pci_set_drvdata(pdev, NULL);
6515 /* detach all the work and timer structure declared or inititialized
6516 * in r8192_init function.
6518 void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
6520 /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
6521 * is or is newer than 2.6.20 and work structure is defined to be struct work_struct.
6522 * Otherwise call cancel_delayed_work is enough.
6523 * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
6525 cancel_delayed_work(&priv->watch_dog_wq);
6526 cancel_delayed_work(&priv->update_beacon_wq);
6527 cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
6528 cancel_delayed_work(&priv->ieee80211->hw_sleep_wq);
6530 cancel_delayed_work(&priv->gpio_change_rf_wq);
6532 cancel_work_sync(&priv->reset_wq);
6533 cancel_work_sync(&priv->qos_activate);
6534 //cancel_work_sync(&priv->SetBWModeWorkItem);
6535 //cancel_work_sync(&priv->SwChnlWorkItem);
6540 static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
6542 struct net_device *dev = pci_get_drvdata(pdev);
6543 struct r8192_priv *priv ;
6547 unregister_netdev(dev);
6549 priv=ieee80211_priv(dev);
6551 rtl8192_proc_remove_one(dev);
6554 if (priv->pFirmware)
6556 vfree(priv->pFirmware);
6557 priv->pFirmware = NULL;
6559 // priv->rf_close(dev);
6560 // rtl8192_usb_deleteendpoints(dev);
6561 destroy_workqueue(priv->priv_wq);
6562 /* redundant with rtl8192_down */
6563 // rtl8192_irq_disable(dev);
6564 // rtl8192_reset(dev);
6568 /* free tx/rx rings */
6569 rtl8192_free_rx_ring(dev);
6570 for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
6571 rtl8192_free_tx_ring(dev, i);
6576 printk("Freeing irq %d\n",dev->irq);
6577 free_irq(dev->irq, dev);
6584 // free_beacon_desc_ring(dev,priv->txbeaconcount);
6586 #ifdef CONFIG_RTL8180_IO_MAP
6588 if( dev->base_addr != 0 ){
6590 release_region(dev->base_addr,
6591 pci_resource_len(pdev, 0) );
6594 if( dev->mem_start != (unsigned long)NULL ){
6595 iounmap( (void *)dev->mem_start );
6596 release_mem_region( pci_resource_start(pdev, 1),
6597 pci_resource_len(pdev, 1) );
6599 #endif /*end #ifdef RTL_IO_MAP*/
6600 free_ieee80211(dev);
6604 pci_disable_device(pdev);
6605 RT_TRACE(COMP_DOWN, "wlan driver removed\n");
6608 extern int ieee80211_rtl_init(void);
6609 extern void ieee80211_rtl_exit(void);
6611 static int __init rtl8192_pci_module_init(void)
6615 retval = ieee80211_rtl_init();
6619 printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
6620 printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
6621 RT_TRACE(COMP_INIT, "Initializing module");
6622 RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
6623 rtl8192_proc_module_init();
6624 if(0!=pci_register_driver(&rtl8192_pci_driver))
6626 DMESG("No device found");
6627 /*pci_unregister_driver (&rtl8192_pci_driver);*/
6634 static void __exit rtl8192_pci_module_exit(void)
6636 pci_unregister_driver(&rtl8192_pci_driver);
6638 RT_TRACE(COMP_DOWN, "Exiting");
6639 rtl8192_proc_module_remove();
6640 ieee80211_rtl_exit();
6643 //warning message WB
6644 irqreturn_t rtl8192_interrupt(int irq, void *netdev)
6646 struct net_device *dev = (struct net_device *) netdev;
6647 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
6648 unsigned long flags;
6650 /* We should return IRQ_NONE, but for now let me keep this */
6651 if(priv->irq_enabled == 0){
6655 spin_lock_irqsave(&priv->irq_th_lock,flags);
6659 inta = read_nic_dword(dev, ISR);// & priv->IntrMask;
6660 write_nic_dword(dev,ISR,inta); // reset int situation
6662 priv->stats.shints++;
6663 //DMESG("Enter interrupt, ISR value = 0x%08x", inta);
6665 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
6668 most probably we can safely return IRQ_NONE,
6669 but for now is better to avoid problems
6675 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
6681 DMESG("NIC irq %x",inta);
6683 //priv->irqpending = inta;
6686 if(!netif_running(dev)) {
6687 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
6691 if(inta & IMR_TIMEOUT0){
6692 // write_nic_dword(dev, TimerInt, 0);
6693 //DMESG("=================>waking up");
6694 // rtl8180_hw_wakeup(dev);
6697 if(inta & IMR_TBDOK){
6698 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
6699 rtl8192_tx_isr(dev, BEACON_QUEUE);
6700 priv->stats.txbeaconokint++;
6703 if(inta & IMR_TBDER){
6704 RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
6705 rtl8192_tx_isr(dev, BEACON_QUEUE);
6706 priv->stats.txbeaconerr++;
6709 if(inta & IMR_MGNTDOK ) {
6710 RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
6711 priv->stats.txmanageokint++;
6712 rtl8192_tx_isr(dev,MGNT_QUEUE);
6716 if(inta & IMR_COMDOK)
6718 priv->stats.txcmdpktokint++;
6719 rtl8192_tx_isr(dev,TXCMD_QUEUE);
6724 DMESG("Frame arrived !");
6726 priv->stats.rxint++;
6727 tasklet_schedule(&priv->irq_rx_tasklet);
6730 if(inta & IMR_BcnInt) {
6731 RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
6732 tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
6736 RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
6737 priv->stats.rxrdu++;
6738 /* reset int situation */
6739 write_nic_dword(dev,INTA_MASK,read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
6740 tasklet_schedule(&priv->irq_rx_tasklet);
6743 if(inta & IMR_RXFOVW){
6744 RT_TRACE(COMP_INTR, "rx overflow !\n");
6745 priv->stats.rxoverflow++;
6746 tasklet_schedule(&priv->irq_rx_tasklet);
6749 if(inta & IMR_TXFOVW) priv->stats.txoverflow++;
6751 if(inta & IMR_BKDOK){
6752 RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
6753 priv->stats.txbkokint++;
6754 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
6755 rtl8192_tx_isr(dev,BK_QUEUE);
6756 rtl8192_try_wake_queue(dev, BK_QUEUE);
6759 if(inta & IMR_BEDOK){
6760 RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
6761 priv->stats.txbeokint++;
6762 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
6763 rtl8192_tx_isr(dev,BE_QUEUE);
6764 rtl8192_try_wake_queue(dev, BE_QUEUE);
6767 if(inta & IMR_VIDOK){
6768 RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
6769 priv->stats.txviokint++;
6770 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
6771 rtl8192_tx_isr(dev,VI_QUEUE);
6772 rtl8192_try_wake_queue(dev, VI_QUEUE);
6775 if(inta & IMR_VODOK){
6776 priv->stats.txvookint++;
6777 priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
6778 rtl8192_tx_isr(dev,VO_QUEUE);
6779 rtl8192_try_wake_queue(dev, VO_QUEUE);
6782 force_pci_posting(dev);
6783 spin_unlock_irqrestore(&priv->irq_th_lock,flags);
6788 void rtl8192_try_wake_queue(struct net_device *dev, int pri)
6791 unsigned long flags;
6793 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
6795 spin_lock_irqsave(&priv->tx_lock,flags);
6796 enough_desc = check_nic_enough_desc(dev,pri);
6797 spin_unlock_irqrestore(&priv->tx_lock,flags);
6800 ieee80211_rtl_wake_queue(priv->ieee80211);
6805 void EnableHWSecurityConfig8192(struct net_device *dev)
6807 u8 SECR_value = 0x0;
6808 // struct ieee80211_device* ieee1 = container_of(&dev, struct ieee80211_device, dev);
6809 //printk("==>ieee1:%p, dev:%p\n", ieee1, dev);
6810 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
6811 struct ieee80211_device* ieee = priv->ieee80211;
6812 //printk("==>ieee:%p, dev:%p\n", ieee, dev);
6813 SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
6815 if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
6817 SECR_value |= SCR_RxUseDK;
6818 SECR_value |= SCR_TxUseDK;
6820 else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
6822 SECR_value |= SCR_RxUseDK;
6823 SECR_value |= SCR_TxUseDK;
6828 //add HWSec active enable here.
6829 //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
6830 ieee->hwsec_active = 1;
6832 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
6834 ieee->hwsec_active = 0;
6835 SECR_value &= ~SCR_RxDecEnable;
6838 RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__, \
6839 ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
6841 write_nic_byte(dev, SECR, SECR_value);//SECR_value | SCR_UseDK );
6845 #define TOTAL_CAM_ENTRY 32
6846 //#define CAM_CONTENT_COUNT 8
6847 void setKey( struct net_device *dev,
6855 u32 TargetCommand = 0;
6856 u32 TargetContent = 0;
6860 struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
6861 RT_RF_POWER_STATE rtState;
6862 rtState = priv->ieee80211->eRFPowerState;
6863 if(priv->ieee80211->PowerSaveControl.bInactivePs){
6864 if(rtState == eRfOff){
6865 if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
6867 RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
6868 //up(&priv->wx_sem);
6872 down(&priv->ieee80211->ips_sem);
6874 up(&priv->ieee80211->ips_sem);
6878 priv->ieee80211->is_set_key = true;
6880 if (EntryNo >= TOTAL_CAM_ENTRY)
6881 RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
6883 RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr);
6886 usConfig |= BIT15 | (KeyType<<2);
6888 usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
6889 // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
6892 for(i=0 ; i<CAM_CONTENT_COUNT; i++){
6893 TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
6894 TargetCommand |= BIT31|BIT16;
6896 if(i==0){//MAC|Config
6897 TargetContent = (u32)(*(MacAddr+0)) << 16|
6898 (u32)(*(MacAddr+1)) << 24|
6901 write_nic_dword(dev, WCAMI, TargetContent);
6902 write_nic_dword(dev, RWCAM, TargetCommand);
6903 // printk("setkey cam =%8x\n", read_cam(dev, i+6*EntryNo));
6906 TargetContent = (u32)(*(MacAddr+2)) |
6907 (u32)(*(MacAddr+3)) << 8|
6908 (u32)(*(MacAddr+4)) << 16|
6909 (u32)(*(MacAddr+5)) << 24;
6910 write_nic_dword(dev, WCAMI, TargetContent);
6911 write_nic_dword(dev, RWCAM, TargetCommand);
6913 else { //Key Material
6914 if(KeyContent != NULL)
6916 write_nic_dword(dev, WCAMI, (u32)(*(KeyContent+i-2)) );
6917 write_nic_dword(dev, RWCAM, TargetCommand);
6921 RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
6923 // This function seems not ready! WB
6924 void CamPrintDbgReg(struct net_device* dev)
6926 unsigned long rvalue;
6927 unsigned char ucValue;
6928 write_nic_dword(dev, DCAM, 0x80000000);
6930 rvalue = read_nic_dword(dev, DCAM); //delay_ms(40);
6931 RT_TRACE(COMP_SEC, " TX CAM=%8lX ",rvalue);
6932 if((rvalue & 0x40000000) != 0x4000000)
6933 RT_TRACE(COMP_SEC, "-->TX Key Not Found ");
6935 write_nic_dword(dev, DCAM, 0x00000000); //delay_ms(40);
6936 rvalue = read_nic_dword(dev, DCAM); //delay_ms(40);
6937 RT_TRACE(COMP_SEC, "RX CAM=%8lX ",rvalue);
6938 if((rvalue & 0x40000000) != 0x4000000)
6939 RT_TRACE(COMP_SEC, "-->CAM Key Not Found ");
6940 ucValue = read_nic_byte(dev, SECR);
6941 RT_TRACE(COMP_SEC, "WPA_Config=%x \n",ucValue);
6944 bool NicIFEnableNIC(struct net_device* dev)
6946 RT_STATUS init_status = RT_STATUS_SUCCESS;
6947 struct r8192_priv* priv = ieee80211_priv(dev);
6948 PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
6952 RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
6953 priv->bdisable_nic = false; //YJ,add,091111
6956 // <1> Reset memory: descriptor, buffer,..
6957 //NicIFResetMemory(Adapter);
6959 // <2> Enable Adapter
6960 //printk("===========>%s()\n",__FUNCTION__);
6961 //priv->bfirst_init = true;
6962 init_status = rtl8192_adapter_start(dev);
6963 if (init_status != RT_STATUS_SUCCESS) {
6964 RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
6965 priv->bdisable_nic = false; //YJ,add,091111
6968 //printk("start adapter finished\n");
6969 RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
6970 //priv->bfirst_init = false;
6972 // <3> Enable Interrupt
6973 rtl8192_irq_enable(dev);
6974 priv->bdisable_nic = false;
6975 //RT_TRACE(COMP_PS,"<===========%s()\n",__FUNCTION__);
6976 return (init_status == RT_STATUS_SUCCESS) ? true:false;
6978 bool NicIFDisableNIC(struct net_device* dev)
6981 struct r8192_priv* priv = ieee80211_priv(dev);
6983 // <1> Disable Interrupt
6984 //RT_TRACE(COMP_PS, "=========>%s()\n",__FUNCTION__);
6985 priv->bdisable_nic = true; //YJ,move,091109
6986 tmp_state = priv->ieee80211->state;
6988 ieee80211_softmac_stop_protocol(priv->ieee80211, false);
6990 priv->ieee80211->state = tmp_state;
6991 rtl8192_cancel_deferred_work(priv);
6992 rtl8192_irq_disable(dev);
6993 // <2> Stop all timer
6995 // <3> Disable Adapter
6996 rtl8192_halt_adapter(dev, false);
6997 // priv->bdisable_nic = true;
6998 //RT_TRACE(COMP_PS, "<=========%s()\n",__FUNCTION__);
7004 /***************************************************************************
7005 ------------------- module init / exit stubs ----------------
7006 ****************************************************************************/
7007 module_init(rtl8192_pci_module_init);
7008 module_exit(rtl8192_pci_module_exit);