1 /******************************************************************************
2 * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
3 * Linux device driver for 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>
28 #include <linux/vmalloc.h>
29 #include <linux/slab.h>
30 #include <asm/uaccess.h>
31 #include "r8192E_hw.h"
33 #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
34 #include "r8180_93cx6.h" /* Card EEPROM */
35 #include "r8192E_wx.h"
36 #include "r819xE_phy.h" //added by WB 4.30.2008
37 #include "r819xE_phyreg.h"
38 #include "r819xE_cmdpkt.h"
39 #include "r8192E_dm.h"
46 #include "ieee80211/dot11d.h"
49 //set here to open your trace code. //WB
50 u32 rt_global_debug_component
= COMP_ERR
; //always open err flags on
52 static DEFINE_PCI_DEVICE_TABLE(rtl8192_pci_id_tbl
) = {
54 { PCI_DEVICE(0x10ec, 0x8192) },
57 { PCI_DEVICE(0x07aa, 0x0044) },
58 { PCI_DEVICE(0x07aa, 0x0047) },
62 static char ifname
[IFNAMSIZ
] = "wlan%d";
63 static int hwwep
= 1; //default use hw. set 0 to use software security
64 static int channels
= 0x3fff;
66 MODULE_LICENSE("GPL");
67 MODULE_VERSION("V 1.1");
68 MODULE_DEVICE_TABLE(pci
, rtl8192_pci_id_tbl
);
69 //MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
70 MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
73 module_param_string(ifname
, ifname
, sizeof(ifname
), S_IRUGO
|S_IWUSR
);
74 module_param(hwwep
,int, S_IRUGO
|S_IWUSR
);
75 module_param(channels
,int, S_IRUGO
|S_IWUSR
);
77 MODULE_PARM_DESC(ifname
," Net interface name, wlan%d=default");
78 MODULE_PARM_DESC(hwwep
," Try to use hardware WEP support. Still broken and not available on all cards");
79 MODULE_PARM_DESC(channels
," Channel bitmask for specific locales. NYI");
81 static int __devinit
rtl8192_pci_probe(struct pci_dev
*pdev
,
82 const struct pci_device_id
*id
);
83 static void __devexit
rtl8192_pci_disconnect(struct pci_dev
*pdev
);
85 static struct pci_driver rtl8192_pci_driver
= {
86 .name
= RTL819xE_MODULE_NAME
, /* Driver name */
87 .id_table
= rtl8192_pci_id_tbl
, /* PCI_ID table */
88 .probe
= rtl8192_pci_probe
, /* probe fn */
89 .remove
= __devexit_p(rtl8192_pci_disconnect
), /* remove fn */
91 .suspend
= rtl8192E_suspend
, /* PM suspend fn */
92 .resume
= rtl8192E_resume
, /* PM resume fn */
94 .suspend
= NULL
, /* PM suspend fn */
95 .resume
= NULL
, /* PM resume fn */
99 static void rtl8192_start_beacon(struct ieee80211_device
*ieee80211
);
100 static void rtl8192_stop_beacon(struct ieee80211_device
*ieee80211
);
101 static void rtl819x_watchdog_wqcallback(struct work_struct
*work
);
102 static void rtl8192_irq_rx_tasklet(unsigned long arg
);
103 static void rtl8192_irq_tx_tasklet(unsigned long arg
);
104 static void rtl8192_prepare_beacon(unsigned long arg
);
105 static irqreturn_t
rtl8192_interrupt(int irq
, void *param
);
106 static void rtl819xE_tx_cmd(struct r8192_priv
*priv
, struct sk_buff
*skb
);
107 static void rtl8192_update_ratr_table(struct r8192_priv
*priv
);
108 static void rtl8192_restart(struct work_struct
*work
);
109 static void watch_dog_timer_callback(unsigned long data
);
110 static int _rtl8192_up(struct r8192_priv
*priv
);
111 static void rtl8192_cancel_deferred_work(struct r8192_priv
* priv
);
112 static short rtl8192_tx(struct r8192_priv
*priv
, struct sk_buff
* skb
);
116 typedef struct _CHANNEL_LIST
120 }CHANNEL_LIST
, *PCHANNEL_LIST
;
122 static const CHANNEL_LIST ChannelPlan
[] = {
123 {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64,149,153,157,161,165},24}, //FCC
124 {{1,2,3,4,5,6,7,8,9,10,11},11}, //IC
125 {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI
126 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI.
127 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI.
128 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, //MKK //MKK
129 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
130 {{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel.
131 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22}, // For 11a , TELEC
132 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC
133 {{1,2,3,4,5,6,7,8,9,10,11,12,13,14},14} //For Global Domain. 1-11:active scan, 12-14 passive scan. //+YJ, 080626
136 static void rtl819x_set_channel_map(u8 channel_plan
, struct r8192_priv
* priv
)
138 int i
, max_chan
=-1, min_chan
=-1;
139 struct ieee80211_device
* ieee
= priv
->ieee80211
;
140 switch (channel_plan
)
142 case COUNTRY_CODE_FCC
:
143 case COUNTRY_CODE_IC
:
144 case COUNTRY_CODE_ETSI
:
145 case COUNTRY_CODE_SPAIN
:
146 case COUNTRY_CODE_FRANCE
:
147 case COUNTRY_CODE_MKK
:
148 case COUNTRY_CODE_MKK1
:
149 case COUNTRY_CODE_ISRAEL
:
150 case COUNTRY_CODE_TELEC
:
151 case COUNTRY_CODE_MIC
:
154 ieee
->bGlobalDomain
= false;
155 //acturally 8225 & 8256 rf chip only support B,G,24N mode
159 if (ChannelPlan
[channel_plan
].Len
!= 0){
160 // Clear old channel map
161 memset(GET_DOT11D_INFO(ieee
)->channel_map
, 0, sizeof(GET_DOT11D_INFO(ieee
)->channel_map
));
162 // Set new channel map
163 for (i
=0;i
<ChannelPlan
[channel_plan
].Len
;i
++)
165 if (ChannelPlan
[channel_plan
].Channel
[i
] < min_chan
|| ChannelPlan
[channel_plan
].Channel
[i
] > max_chan
)
167 GET_DOT11D_INFO(ieee
)->channel_map
[ChannelPlan
[channel_plan
].Channel
[i
]] = 1;
172 case COUNTRY_CODE_GLOBAL_DOMAIN
:
174 GET_DOT11D_INFO(ieee
)->bEnabled
= 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
176 ieee
->bGlobalDomain
= true;
185 static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo
)
187 return (pdrvinfo
->RxRate
== DESC90_RATE1M
||
188 pdrvinfo
->RxRate
== DESC90_RATE2M
||
189 pdrvinfo
->RxRate
== DESC90_RATE5_5M
||
190 pdrvinfo
->RxRate
== DESC90_RATE11M
) &&
194 void CamResetAllEntry(struct r8192_priv
* priv
)
196 write_nic_dword(priv
, RWCAM
, BIT31
|BIT30
);
199 void write_cam(struct r8192_priv
*priv
, u8 addr
, u32 data
)
201 write_nic_dword(priv
, WCAMI
, data
);
202 write_nic_dword(priv
, RWCAM
, BIT31
|BIT16
|(addr
&0xff) );
205 u32
read_cam(struct r8192_priv
*priv
, u8 addr
)
207 write_nic_dword(priv
, RWCAM
, 0x80000000|(addr
&0xff) );
208 return read_nic_dword(priv
, 0xa8);
211 u8
read_nic_byte(struct r8192_priv
*priv
, int x
)
213 return 0xff & readb(priv
->mem_start
+ x
);
216 u32
read_nic_dword(struct r8192_priv
*priv
, int x
)
218 return readl(priv
->mem_start
+ x
);
221 u16
read_nic_word(struct r8192_priv
*priv
, int x
)
223 return readw(priv
->mem_start
+ x
);
226 void write_nic_byte(struct r8192_priv
*priv
, int x
,u8 y
)
228 writeb(y
, priv
->mem_start
+ x
);
232 void write_nic_dword(struct r8192_priv
*priv
, int x
,u32 y
)
234 writel(y
, priv
->mem_start
+ x
);
238 void write_nic_word(struct r8192_priv
*priv
, int x
,u16 y
)
240 writew(y
, priv
->mem_start
+ x
);
244 u8
rtl8192e_ap_sec_type(struct ieee80211_device
*ieee
)
246 static const u8 ccmp_ie
[4] = {0x00,0x50,0xf2,0x04};
247 static const u8 ccmp_rsn_ie
[4] = {0x00, 0x0f, 0xac, 0x04};
248 int wpa_ie_len
= ieee
->wpa_ie_len
;
249 struct ieee80211_crypt_data
* crypt
;
252 crypt
= ieee
->crypt
[ieee
->tx_keyidx
];
254 encrypt
= (ieee
->current_network
.capability
& WLAN_CAPABILITY_PRIVACY
) ||
255 (ieee
->host_encrypt
&& crypt
&& crypt
->ops
&&
256 (0 == strcmp(crypt
->ops
->name
,"WEP")));
259 if(encrypt
&& (wpa_ie_len
== 0)) {
260 // wep encryption, no N mode setting */
262 } else if((wpa_ie_len
!= 0)) {
263 // parse pairwise key type */
264 if (((ieee
->wpa_ie
[0] == 0xdd) && (!memcmp(&(ieee
->wpa_ie
[14]),ccmp_ie
,4))) ||
265 ((ieee
->wpa_ie
[0] == 0x30) && (!memcmp(&ieee
->wpa_ie
[10],ccmp_rsn_ie
, 4))))
274 void rtl8192e_SetHwReg(struct ieee80211_device
*ieee80211
, u8 variable
, u8
*val
)
276 struct r8192_priv
*priv
= ieee80211_priv(ieee80211
->dev
);
282 write_nic_dword(priv
, BSSIDR
, ((u32
*)(val
))[0]);
283 write_nic_word(priv
, BSSIDR
+2, ((u16
*)(val
+2))[0]);
286 case HW_VAR_MEDIA_STATUS
:
288 RT_OP_MODE OpMode
= *((RT_OP_MODE
*)(val
));
289 u8 btMsr
= read_nic_byte(priv
, MSR
);
295 case RT_OP_MODE_INFRASTRUCTURE
:
299 case RT_OP_MODE_IBSS
:
312 write_nic_byte(priv
, MSR
, btMsr
);
316 case HW_VAR_CHECK_BSSID
:
320 Type
= ((u8
*)(val
))[0];
321 RegRCR
= read_nic_dword(priv
, RCR
);
322 priv
->ReceiveConfig
= RegRCR
;
325 RegRCR
|= (RCR_CBSSID
);
326 else if (Type
== false)
327 RegRCR
&= (~RCR_CBSSID
);
329 write_nic_dword(priv
, RCR
,RegRCR
);
330 priv
->ReceiveConfig
= RegRCR
;
335 case HW_VAR_SLOT_TIME
:
337 priv
->slot_time
= val
[0];
338 write_nic_byte(priv
, SLOT_TIME
, val
[0]);
343 case HW_VAR_ACK_PREAMBLE
:
346 priv
->short_preamble
= (bool)(*(u8
*)val
);
347 regTmp
= priv
->basic_rate
;
348 if (priv
->short_preamble
)
349 regTmp
|= BRSR_AckShortPmb
;
350 write_nic_dword(priv
, RRSR
, regTmp
);
355 write_nic_dword(priv
, CPU_GEN
, ((u32
*)(val
))[0]);
364 static struct proc_dir_entry
*rtl8192_proc
= NULL
;
366 static int proc_get_stats_ap(char *page
, char **start
,
367 off_t offset
, int count
,
368 int *eof
, void *data
)
370 struct r8192_priv
*priv
= data
;
371 struct ieee80211_device
*ieee
= priv
->ieee80211
;
372 struct ieee80211_network
*target
;
375 list_for_each_entry(target
, &ieee
->network_list
, list
) {
377 len
+= snprintf(page
+ len
, count
- len
,
378 "%s ", target
->ssid
);
380 if(target
->wpa_ie_len
>0 || target
->rsn_ie_len
>0){
381 len
+= snprintf(page
+ len
, count
- len
,
385 len
+= snprintf(page
+ len
, count
- len
,
395 static int proc_get_registers(char *page
, char **start
,
396 off_t offset
, int count
,
397 int *eof
, void *data
)
399 struct r8192_priv
*priv
= data
;
404 /* This dump the current register page */
405 len
+= snprintf(page
+ len
, count
- len
,
406 "\n####################page 0##################\n ");
410 len
+= snprintf(page
+ len
, count
- len
,
413 for(i
=0;i
<16 && n
<=max
;i
++,n
++)
414 len
+= snprintf(page
+ len
, count
- len
,
415 "%2x ",read_nic_byte(priv
,n
));
417 len
+= snprintf(page
+ len
, count
- len
,"\n");
418 len
+= snprintf(page
+ len
, count
- len
,
419 "\n####################page 1##################\n ");
422 len
+= snprintf(page
+ len
, count
- len
,
425 for(i
=0;i
<16 && n
<=max
;i
++,n
++)
426 len
+= snprintf(page
+ len
, count
- len
,
427 "%2x ",read_nic_byte(priv
,0x100|n
));
430 len
+= snprintf(page
+ len
, count
- len
,
431 "\n####################page 3##################\n ");
434 len
+= snprintf(page
+ len
, count
- len
,
437 for(i
=0;i
<16 && n
<=max
;i
++,n
++)
438 len
+= snprintf(page
+ len
, count
- len
,
439 "%2x ",read_nic_byte(priv
,0x300|n
));
447 static int proc_get_stats_tx(char *page
, char **start
,
448 off_t offset
, int count
,
449 int *eof
, void *data
)
451 struct r8192_priv
*priv
= data
;
455 len
+= snprintf(page
+ len
, count
- len
,
456 "TX VI priority ok int: %lu\n"
457 "TX VO priority ok int: %lu\n"
458 "TX BE priority ok int: %lu\n"
459 "TX BK priority ok int: %lu\n"
460 "TX MANAGE priority ok int: %lu\n"
461 "TX BEACON priority ok int: %lu\n"
462 "TX BEACON priority error int: %lu\n"
463 "TX CMDPKT priority ok int: %lu\n"
464 "TX queue stopped?: %d\n"
465 "TX fifo overflow: %lu\n"
466 "TX total data packets %lu\n"
467 "TX total data bytes :%lu\n",
468 priv
->stats
.txviokint
,
469 priv
->stats
.txvookint
,
470 priv
->stats
.txbeokint
,
471 priv
->stats
.txbkokint
,
472 priv
->stats
.txmanageokint
,
473 priv
->stats
.txbeaconokint
,
474 priv
->stats
.txbeaconerr
,
475 priv
->stats
.txcmdpktokint
,
476 netif_queue_stopped(priv
->ieee80211
->dev
),
477 priv
->stats
.txoverflow
,
478 priv
->ieee80211
->stats
.tx_packets
,
479 priv
->ieee80211
->stats
.tx_bytes
);
487 static int proc_get_stats_rx(char *page
, char **start
,
488 off_t offset
, int count
,
489 int *eof
, void *data
)
491 struct r8192_priv
*priv
= data
;
494 len
+= snprintf(page
+ len
, count
- len
,
497 "RX rx overflow error: %lu\n",
500 priv
->stats
.rxoverflow
);
506 static void rtl8192_proc_module_init(void)
508 RT_TRACE(COMP_INIT
, "Initializing proc filesystem\n");
509 rtl8192_proc
=create_proc_entry(RTL819xE_MODULE_NAME
, S_IFDIR
, init_net
.proc_net
);
513 static void rtl8192_proc_module_remove(void)
515 remove_proc_entry(RTL819xE_MODULE_NAME
, init_net
.proc_net
);
519 static void rtl8192_proc_remove_one(struct r8192_priv
*priv
)
521 struct net_device
*dev
= priv
->ieee80211
->dev
;
523 printk("dev name=======> %s\n",dev
->name
);
526 remove_proc_entry("stats-tx", priv
->dir_dev
);
527 remove_proc_entry("stats-rx", priv
->dir_dev
);
528 remove_proc_entry("stats-ap", priv
->dir_dev
);
529 remove_proc_entry("registers", priv
->dir_dev
);
530 remove_proc_entry("wlan0", rtl8192_proc
);
531 priv
->dir_dev
= NULL
;
536 static void rtl8192_proc_init_one(struct r8192_priv
*priv
)
538 struct net_device
*dev
= priv
->ieee80211
->dev
;
539 struct proc_dir_entry
*e
;
541 priv
->dir_dev
= create_proc_entry(dev
->name
,
542 S_IFDIR
| S_IRUGO
| S_IXUGO
,
544 if (!priv
->dir_dev
) {
545 RT_TRACE(COMP_ERR
, "Unable to initialize /proc/net/rtl8192/%s\n",
549 e
= create_proc_read_entry("stats-rx", S_IFREG
| S_IRUGO
,
550 priv
->dir_dev
, proc_get_stats_rx
, priv
);
553 RT_TRACE(COMP_ERR
,"Unable to initialize "
554 "/proc/net/rtl8192/%s/stats-rx\n",
559 e
= create_proc_read_entry("stats-tx", S_IFREG
| S_IRUGO
,
560 priv
->dir_dev
, proc_get_stats_tx
, priv
);
563 RT_TRACE(COMP_ERR
, "Unable to initialize "
564 "/proc/net/rtl8192/%s/stats-tx\n",
568 e
= create_proc_read_entry("stats-ap", S_IFREG
| S_IRUGO
,
569 priv
->dir_dev
, proc_get_stats_ap
, priv
);
572 RT_TRACE(COMP_ERR
, "Unable to initialize "
573 "/proc/net/rtl8192/%s/stats-ap\n",
577 e
= create_proc_read_entry("registers", S_IFREG
| S_IRUGO
,
578 priv
->dir_dev
, proc_get_registers
, priv
);
580 RT_TRACE(COMP_ERR
, "Unable to initialize "
581 "/proc/net/rtl8192/%s/registers\n",
586 static short check_nic_enough_desc(struct ieee80211_device
*ieee
, int prio
)
588 struct r8192_priv
*priv
= ieee80211_priv(ieee
->dev
);
589 struct rtl8192_tx_ring
*ring
= &priv
->tx_ring
[prio
];
591 /* for now we reserve two free descriptor as a safety boundary
592 * between the tail and the head
594 return (ring
->entries
- skb_queue_len(&ring
->queue
) >= 2);
597 static void tx_timeout(struct net_device
*dev
)
599 struct r8192_priv
*priv
= ieee80211_priv(dev
);
601 schedule_work(&priv
->reset_wq
);
605 static void rtl8192_irq_enable(struct r8192_priv
*priv
)
609 mask
= IMR_ROK
| IMR_VODOK
| IMR_VIDOK
| IMR_BEDOK
| IMR_BKDOK
|
610 IMR_HCCADOK
| IMR_MGNTDOK
| IMR_COMDOK
| IMR_HIGHDOK
|
611 IMR_BDOK
| IMR_RXCMDOK
| IMR_TIMEOUT0
| IMR_RDU
| IMR_RXFOVW
|
612 IMR_TXFOVW
| IMR_BcnInt
| IMR_TBDOK
| IMR_TBDER
;
614 write_nic_dword(priv
, INTA_MASK
, mask
);
617 static void rtl8192_irq_disable(struct r8192_priv
*priv
)
619 write_nic_dword(priv
, INTA_MASK
, 0);
620 synchronize_irq(priv
->irq
);
623 static void rtl8192_update_msr(struct r8192_priv
*priv
)
627 msr
= read_nic_byte(priv
, MSR
);
628 msr
&= ~ MSR_LINK_MASK
;
630 /* do not change in link_state != WLAN_LINK_ASSOCIATED.
631 * msr must be updated if the state is ASSOCIATING.
632 * this is intentional and make sense for ad-hoc and
633 * master (see the create BSS/IBSS func)
635 if (priv
->ieee80211
->state
== IEEE80211_LINKED
){
637 if (priv
->ieee80211
->iw_mode
== IW_MODE_INFRA
)
638 msr
|= (MSR_LINK_MANAGED
<<MSR_LINK_SHIFT
);
639 else if (priv
->ieee80211
->iw_mode
== IW_MODE_ADHOC
)
640 msr
|= (MSR_LINK_ADHOC
<<MSR_LINK_SHIFT
);
641 else if (priv
->ieee80211
->iw_mode
== IW_MODE_MASTER
)
642 msr
|= (MSR_LINK_MASTER
<<MSR_LINK_SHIFT
);
645 msr
|= (MSR_LINK_NONE
<<MSR_LINK_SHIFT
);
647 write_nic_byte(priv
, MSR
, msr
);
650 static void rtl8192_set_chan(struct ieee80211_device
*ieee80211
, short ch
)
652 struct r8192_priv
*priv
= ieee80211_priv(ieee80211
->dev
);
656 /* need to implement rf set channel here WB */
658 if (priv
->rf_set_chan
)
659 priv
->rf_set_chan(ieee80211
, priv
->chan
);
662 static void rtl8192_rx_enable(struct r8192_priv
*priv
)
664 write_nic_dword(priv
, RDQDA
, priv
->rx_ring_dma
);
667 /* the TX_DESC_BASE setting is according to the following queue index
676 * BEACON_QUEUE ===> 8
678 static const u32 TX_DESC_BASE
[] = {BKQDA
, BEQDA
, VIQDA
, VOQDA
, HCCAQDA
, CQDA
, MQDA
, HQDA
, BQDA
};
679 static void rtl8192_tx_enable(struct r8192_priv
*priv
)
683 for (i
= 0; i
< MAX_TX_QUEUE_COUNT
; i
++)
684 write_nic_dword(priv
, TX_DESC_BASE
[i
], priv
->tx_ring
[i
].dma
);
686 ieee80211_reset_queue(priv
->ieee80211
);
690 static void rtl8192_free_rx_ring(struct r8192_priv
*priv
)
694 for (i
= 0; i
< priv
->rxringcount
; i
++) {
695 struct sk_buff
*skb
= priv
->rx_buf
[i
];
699 pci_unmap_single(priv
->pdev
,
700 *((dma_addr_t
*)skb
->cb
),
701 priv
->rxbuffersize
, PCI_DMA_FROMDEVICE
);
705 pci_free_consistent(priv
->pdev
, sizeof(*priv
->rx_ring
) * priv
->rxringcount
,
706 priv
->rx_ring
, priv
->rx_ring_dma
);
707 priv
->rx_ring
= NULL
;
710 static void rtl8192_free_tx_ring(struct r8192_priv
*priv
, unsigned int prio
)
712 struct rtl8192_tx_ring
*ring
= &priv
->tx_ring
[prio
];
714 while (skb_queue_len(&ring
->queue
)) {
715 tx_desc_819x_pci
*entry
= &ring
->desc
[ring
->idx
];
716 struct sk_buff
*skb
= __skb_dequeue(&ring
->queue
);
718 pci_unmap_single(priv
->pdev
, le32_to_cpu(entry
->TxBuffAddr
),
719 skb
->len
, PCI_DMA_TODEVICE
);
721 ring
->idx
= (ring
->idx
+ 1) % ring
->entries
;
724 pci_free_consistent(priv
->pdev
, sizeof(*ring
->desc
)*ring
->entries
,
725 ring
->desc
, ring
->dma
);
729 void PHY_SetRtl8192eRfOff(struct r8192_priv
*priv
)
731 //disable RF-Chip A/B
732 rtl8192_setBBreg(priv
, rFPGA0_XA_RFInterfaceOE
, BIT4
, 0x0);
733 //analog to digital off, for power save
734 rtl8192_setBBreg(priv
, rFPGA0_AnalogParameter4
, 0x300, 0x0);
735 //digital to analog off, for power save
736 rtl8192_setBBreg(priv
, rFPGA0_AnalogParameter1
, 0x18, 0x0);
738 rtl8192_setBBreg(priv
, rOFDM0_TRxPathEnable
, 0xf, 0x0);
740 rtl8192_setBBreg(priv
, rOFDM1_TRxPathEnable
, 0xf, 0x0);
741 //analog to digital part2 off, for power save
742 rtl8192_setBBreg(priv
, rFPGA0_AnalogParameter1
, 0x60, 0x0);
743 rtl8192_setBBreg(priv
, rFPGA0_AnalogParameter1
, 0x4, 0x0);
744 // Analog parameter!!Change bias and Lbus control.
745 write_nic_byte(priv
, ANAPAR_FOR_8192PciE
, 0x07);
748 static void rtl8192_halt_adapter(struct r8192_priv
*priv
, bool reset
)
754 OpMode
= RT_OP_MODE_NO_LINK
;
755 priv
->ieee80211
->SetHwRegHandler(priv
->ieee80211
, HW_VAR_MEDIA_STATUS
, &OpMode
);
757 if (!priv
->ieee80211
->bSupportRemoteWakeUp
) {
759 * disable tx/rx. In 8185 we write 0x10 (Reset bit),
760 * but here we make reference to WMAC and wirte 0x0
762 write_nic_byte(priv
, CMDR
, 0);
770 priv
->bHwRfOffAction
= 2;
773 * Call MgntActSet_RF_State instead to
774 * prevent RF config race condition.
776 if (!priv
->ieee80211
->bSupportRemoteWakeUp
) {
777 PHY_SetRtl8192eRfOff(priv
);
778 ulRegRead
= read_nic_dword(priv
, CPU_GEN
);
779 ulRegRead
|= CPU_GEN_SYSTEM_RESET
;
780 write_nic_dword(priv
,CPU_GEN
, ulRegRead
);
783 write_nic_dword(priv
, WFCRC0
, 0xffffffff);
784 write_nic_dword(priv
, WFCRC1
, 0xffffffff);
785 write_nic_dword(priv
, WFCRC2
, 0xffffffff);
787 /* Write PMR register */
788 write_nic_byte(priv
, PMR
, 0x5);
789 /* Disable tx, enanble rx */
790 write_nic_byte(priv
, MacBlkCtrl
, 0xa);
794 for(i
= 0; i
< MAX_QUEUE_SIZE
; i
++) {
795 skb_queue_purge(&priv
->ieee80211
->skb_waitQ
[i
]);
797 for(i
= 0; i
< MAX_QUEUE_SIZE
; i
++) {
798 skb_queue_purge(&priv
->ieee80211
->skb_aggQ
[i
]);
801 skb_queue_purge(&priv
->skb_queue
);
804 static void rtl8192_data_hard_stop(struct ieee80211_device
*ieee80211
)
808 static void rtl8192_data_hard_resume(struct ieee80211_device
*ieee80211
)
813 * this function TX data frames when the ieee80211 stack requires this.
814 * It checks also if we need to stop the ieee tx queue, eventually do it
816 static void rtl8192_hard_data_xmit(struct sk_buff
*skb
,
817 struct ieee80211_device
*ieee80211
, int rate
)
819 struct r8192_priv
*priv
= ieee80211_priv(ieee80211
->dev
);
821 cb_desc
*tcb_desc
= (cb_desc
*)(skb
->cb
+ MAX_DEV_ADDR_SIZE
);
822 u8 queue_index
= tcb_desc
->queue_index
;
824 /* shall not be referred by command packet */
825 BUG_ON(queue_index
== TXCMD_QUEUE
);
827 if (priv
->bHwRadioOff
|| (!priv
->up
))
833 skb_push(skb
, priv
->ieee80211
->tx_headroom
);
834 ret
= rtl8192_tx(priv
, skb
);
839 if (queue_index
!= MGNT_QUEUE
) {
840 priv
->ieee80211
->stats
.tx_bytes
+= (skb
->len
- priv
->ieee80211
->tx_headroom
);
841 priv
->ieee80211
->stats
.tx_packets
++;
846 * This is a rough attempt to TX a frame
847 * This is called by the ieee 80211 stack to TX management frames.
848 * If the ring is full packet are dropped (for data frame the queue
849 * is stopped before this can happen).
851 static int rtl8192_hard_start_xmit(struct sk_buff
*skb
, struct ieee80211_device
*ieee80211
)
853 struct r8192_priv
*priv
= ieee80211_priv(ieee80211
->dev
);
855 cb_desc
*tcb_desc
= (cb_desc
*)(skb
->cb
+ MAX_DEV_ADDR_SIZE
);
856 u8 queue_index
= tcb_desc
->queue_index
;
858 if (queue_index
!= TXCMD_QUEUE
) {
859 if (priv
->bHwRadioOff
|| (!priv
->up
))
866 if (queue_index
== TXCMD_QUEUE
) {
867 rtl819xE_tx_cmd(priv
, skb
);
871 tcb_desc
->RATRIndex
= 7;
872 tcb_desc
->bTxDisableRateFallBack
= 1;
873 tcb_desc
->bTxUseDriverAssingedRate
= 1;
874 tcb_desc
->bTxEnableFwCalcDur
= 1;
875 skb_push(skb
, ieee80211
->tx_headroom
);
876 ret
= rtl8192_tx(priv
, skb
);
886 static void rtl8192_tx_isr(struct r8192_priv
*priv
, int prio
)
888 struct rtl8192_tx_ring
*ring
= &priv
->tx_ring
[prio
];
890 while (skb_queue_len(&ring
->queue
)) {
891 tx_desc_819x_pci
*entry
= &ring
->desc
[ring
->idx
];
895 * beacon packet will only use the first descriptor defaultly,
896 * and the OWN may not be cleared by the hardware
898 if (prio
!= BEACON_QUEUE
) {
901 ring
->idx
= (ring
->idx
+ 1) % ring
->entries
;
904 skb
= __skb_dequeue(&ring
->queue
);
905 pci_unmap_single(priv
->pdev
, le32_to_cpu(entry
->TxBuffAddr
),
906 skb
->len
, PCI_DMA_TODEVICE
);
911 if (prio
!= BEACON_QUEUE
) {
912 /* try to deal with the pending packets */
913 tasklet_schedule(&priv
->irq_tx_tasklet
);
917 static void rtl8192_stop_beacon(struct ieee80211_device
*ieee80211
)
921 static void rtl8192_config_rate(struct r8192_priv
*priv
, u16
* rate_config
)
923 struct ieee80211_network
*net
;
924 u8 i
=0, basic_rate
= 0;
925 net
= & priv
->ieee80211
->current_network
;
927 for (i
=0; i
<net
->rates_len
; i
++)
929 basic_rate
= net
->rates
[i
]&0x7f;
932 case MGN_1M
: *rate_config
|= RRSR_1M
; break;
933 case MGN_2M
: *rate_config
|= RRSR_2M
; break;
934 case MGN_5_5M
: *rate_config
|= RRSR_5_5M
; break;
935 case MGN_11M
: *rate_config
|= RRSR_11M
; break;
936 case MGN_6M
: *rate_config
|= RRSR_6M
; break;
937 case MGN_9M
: *rate_config
|= RRSR_9M
; break;
938 case MGN_12M
: *rate_config
|= RRSR_12M
; break;
939 case MGN_18M
: *rate_config
|= RRSR_18M
; break;
940 case MGN_24M
: *rate_config
|= RRSR_24M
; break;
941 case MGN_36M
: *rate_config
|= RRSR_36M
; break;
942 case MGN_48M
: *rate_config
|= RRSR_48M
; break;
943 case MGN_54M
: *rate_config
|= RRSR_54M
; break;
946 for (i
=0; i
<net
->rates_ex_len
; i
++)
948 basic_rate
= net
->rates_ex
[i
]&0x7f;
951 case MGN_1M
: *rate_config
|= RRSR_1M
; break;
952 case MGN_2M
: *rate_config
|= RRSR_2M
; break;
953 case MGN_5_5M
: *rate_config
|= RRSR_5_5M
; break;
954 case MGN_11M
: *rate_config
|= RRSR_11M
; break;
955 case MGN_6M
: *rate_config
|= RRSR_6M
; break;
956 case MGN_9M
: *rate_config
|= RRSR_9M
; break;
957 case MGN_12M
: *rate_config
|= RRSR_12M
; break;
958 case MGN_18M
: *rate_config
|= RRSR_18M
; break;
959 case MGN_24M
: *rate_config
|= RRSR_24M
; break;
960 case MGN_36M
: *rate_config
|= RRSR_36M
; break;
961 case MGN_48M
: *rate_config
|= RRSR_48M
; break;
962 case MGN_54M
: *rate_config
|= RRSR_54M
; break;
968 #define SHORT_SLOT_TIME 9
969 #define NON_SHORT_SLOT_TIME 20
971 static void rtl8192_update_cap(struct r8192_priv
*priv
, u16 cap
)
974 struct ieee80211_network
*net
= &priv
->ieee80211
->current_network
;
976 priv
->short_preamble
= cap
& WLAN_CAPABILITY_SHORT_PREAMBLE
;
977 tmp
= priv
->basic_rate
;
978 if (priv
->short_preamble
)
979 tmp
|= BRSR_AckShortPmb
;
980 write_nic_dword(priv
, RRSR
, tmp
);
982 if (net
->mode
& (IEEE_G
|IEEE_N_24G
))
985 if ((cap
& WLAN_CAPABILITY_SHORT_SLOT
)&&(!priv
->ieee80211
->pHTInfo
->bCurrentRT2RTLongSlotTime
))
987 slot_time
= SHORT_SLOT_TIME
;
989 else //long slot time
990 slot_time
= NON_SHORT_SLOT_TIME
;
991 priv
->slot_time
= slot_time
;
992 write_nic_byte(priv
, SLOT_TIME
, slot_time
);
997 static void rtl8192_net_update(struct r8192_priv
*priv
)
999 struct ieee80211_network
*net
;
1000 u16 BcnTimeCfg
= 0, BcnCW
= 6, BcnIFS
= 0xf;
1001 u16 rate_config
= 0;
1002 net
= &priv
->ieee80211
->current_network
;
1004 /* update Basic rate: RR, BRSR */
1005 rtl8192_config_rate(priv
, &rate_config
);
1008 * Select RRSR (in Legacy-OFDM and CCK)
1009 * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M,
1010 * 2M, and 1M from the Basic rate.
1011 * We do not use other rates.
1013 priv
->basic_rate
= rate_config
&= 0x15f;
1016 write_nic_dword(priv
, BSSIDR
, ((u32
*)net
->bssid
)[0]);
1017 write_nic_word(priv
, BSSIDR
+4, ((u16
*)net
->bssid
)[2]);
1019 if (priv
->ieee80211
->iw_mode
== IW_MODE_ADHOC
)
1021 write_nic_word(priv
, ATIMWND
, 2);
1022 write_nic_word(priv
, BCN_DMATIME
, 256);
1023 write_nic_word(priv
, BCN_INTERVAL
, net
->beacon_interval
);
1025 * BIT15 of BCN_DRV_EARLY_INT will indicate
1026 * whether software beacon or hw beacon is applied.
1028 write_nic_word(priv
, BCN_DRV_EARLY_INT
, 10);
1029 write_nic_byte(priv
, BCN_ERR_THRESH
, 100);
1031 BcnTimeCfg
|= (BcnCW
<<BCN_TCFG_CW_SHIFT
);
1032 /* TODO: BcnIFS may required to be changed on ASIC */
1033 BcnTimeCfg
|= BcnIFS
<<BCN_TCFG_IFS
;
1034 write_nic_word(priv
, BCN_TCFG
, BcnTimeCfg
);
1038 static void rtl819xE_tx_cmd(struct r8192_priv
*priv
, struct sk_buff
*skb
)
1040 struct rtl8192_tx_ring
*ring
;
1041 tx_desc_819x_pci
*entry
;
1045 unsigned long flags
;
1047 ring
= &priv
->tx_ring
[TXCMD_QUEUE
];
1048 mapping
= pci_map_single(priv
->pdev
, skb
->data
, skb
->len
, PCI_DMA_TODEVICE
);
1050 spin_lock_irqsave(&priv
->irq_th_lock
,flags
);
1051 idx
= (ring
->idx
+ skb_queue_len(&ring
->queue
)) % ring
->entries
;
1052 entry
= &ring
->desc
[idx
];
1054 tcb_desc
= (cb_desc
*)(skb
->cb
+ MAX_DEV_ADDR_SIZE
);
1056 entry
->LINIP
= tcb_desc
->bLastIniPkt
;
1057 entry
->FirstSeg
= 1;//first segment
1058 entry
->LastSeg
= 1; //last segment
1059 if(tcb_desc
->bCmdOrInit
== DESC_PACKET_TYPE_INIT
) {
1060 entry
->CmdInit
= DESC_PACKET_TYPE_INIT
;
1062 entry
->CmdInit
= DESC_PACKET_TYPE_NORMAL
;
1063 entry
->Offset
= sizeof(TX_FWINFO_8190PCI
) + 8;
1064 entry
->PktSize
= (u16
)(tcb_desc
->pkt_size
+ entry
->Offset
);
1065 entry
->QueueSelect
= QSLT_CMD
;
1066 entry
->TxFWInfoSize
= 0x08;
1067 entry
->RATid
= (u8
)DESC_PACKET_TYPE_INIT
;
1069 entry
->TxBufferSize
= skb
->len
;
1070 entry
->TxBuffAddr
= cpu_to_le32(mapping
);
1073 __skb_queue_tail(&ring
->queue
, skb
);
1074 spin_unlock_irqrestore(&priv
->irq_th_lock
,flags
);
1076 write_nic_byte(priv
, TPPoll
, TPPoll_CQ
);
1082 * Mapping Software/Hardware descriptor queue id to "Queue Select Field"
1083 * in TxFwInfo data structure
1085 static u8
MapHwQueueToFirmwareQueue(u8 QueueID
)
1091 QueueSelect
= QSLT_BE
;
1095 QueueSelect
= QSLT_BK
;
1099 QueueSelect
= QSLT_VO
;
1103 QueueSelect
= QSLT_VI
;
1107 QueueSelect
= QSLT_MGNT
;
1111 QueueSelect
= QSLT_BEACON
;
1115 QueueSelect
= QSLT_CMD
;
1120 RT_TRACE(COMP_ERR
, "Impossible Queue Selection: %d\n", QueueID
);
1126 static u8
MRateToHwRate8190Pci(u8 rate
)
1128 u8 ret
= DESC90_RATE1M
;
1131 case MGN_1M
: ret
= DESC90_RATE1M
; break;
1132 case MGN_2M
: ret
= DESC90_RATE2M
; break;
1133 case MGN_5_5M
: ret
= DESC90_RATE5_5M
; break;
1134 case MGN_11M
: ret
= DESC90_RATE11M
; break;
1135 case MGN_6M
: ret
= DESC90_RATE6M
; break;
1136 case MGN_9M
: ret
= DESC90_RATE9M
; break;
1137 case MGN_12M
: ret
= DESC90_RATE12M
; break;
1138 case MGN_18M
: ret
= DESC90_RATE18M
; break;
1139 case MGN_24M
: ret
= DESC90_RATE24M
; break;
1140 case MGN_36M
: ret
= DESC90_RATE36M
; break;
1141 case MGN_48M
: ret
= DESC90_RATE48M
; break;
1142 case MGN_54M
: ret
= DESC90_RATE54M
; break;
1144 // HT rate since here
1145 case MGN_MCS0
: ret
= DESC90_RATEMCS0
; break;
1146 case MGN_MCS1
: ret
= DESC90_RATEMCS1
; break;
1147 case MGN_MCS2
: ret
= DESC90_RATEMCS2
; break;
1148 case MGN_MCS3
: ret
= DESC90_RATEMCS3
; break;
1149 case MGN_MCS4
: ret
= DESC90_RATEMCS4
; break;
1150 case MGN_MCS5
: ret
= DESC90_RATEMCS5
; break;
1151 case MGN_MCS6
: ret
= DESC90_RATEMCS6
; break;
1152 case MGN_MCS7
: ret
= DESC90_RATEMCS7
; break;
1153 case MGN_MCS8
: ret
= DESC90_RATEMCS8
; break;
1154 case MGN_MCS9
: ret
= DESC90_RATEMCS9
; break;
1155 case MGN_MCS10
: ret
= DESC90_RATEMCS10
; break;
1156 case MGN_MCS11
: ret
= DESC90_RATEMCS11
; break;
1157 case MGN_MCS12
: ret
= DESC90_RATEMCS12
; break;
1158 case MGN_MCS13
: ret
= DESC90_RATEMCS13
; break;
1159 case MGN_MCS14
: ret
= DESC90_RATEMCS14
; break;
1160 case MGN_MCS15
: ret
= DESC90_RATEMCS15
; break;
1161 case (0x80|0x20): ret
= DESC90_RATEMCS32
; break;
1169 static u8
QueryIsShort(u8 TxHT
, u8 TxRate
, cb_desc
*tcb_desc
)
1173 tmp_Short
= (TxHT
==1)?((tcb_desc
->bUseShortGI
)?1:0):((tcb_desc
->bUseShortPreamble
)?1:0);
1175 if(TxHT
==1 && TxRate
!= DESC90_RATEMCS15
)
1182 * The tx procedure is just as following,
1183 * skb->cb will contain all the following information,
1184 * priority, morefrag, rate, &dev.
1186 static short rtl8192_tx(struct r8192_priv
*priv
, struct sk_buff
* skb
)
1188 struct rtl8192_tx_ring
*ring
;
1189 unsigned long flags
;
1190 cb_desc
*tcb_desc
= (cb_desc
*)(skb
->cb
+ MAX_DEV_ADDR_SIZE
);
1191 tx_desc_819x_pci
*pdesc
= NULL
;
1192 TX_FWINFO_8190PCI
*pTxFwInfo
= NULL
;
1194 bool multi_addr
= false, broad_addr
= false, uni_addr
= false;
1195 u8
*pda_addr
= NULL
;
1198 if (priv
->bdisable_nic
) {
1199 RT_TRACE(COMP_ERR
, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n",
1200 skb
->len
, tcb_desc
->queue_index
);
1205 priv
->ieee80211
->bAwakePktSent
= true;
1208 mapping
= pci_map_single(priv
->pdev
, skb
->data
, skb
->len
, PCI_DMA_TODEVICE
);
1210 /* collect the tx packets statitcs */
1211 pda_addr
= ((u8
*)skb
->data
) + sizeof(TX_FWINFO_8190PCI
);
1212 if (is_multicast_ether_addr(pda_addr
))
1214 else if (is_broadcast_ether_addr(pda_addr
))
1220 priv
->stats
.txbytesunicast
+= (u8
)(skb
->len
) - sizeof(TX_FWINFO_8190PCI
);
1222 /* fill tx firmware */
1223 pTxFwInfo
= (PTX_FWINFO_8190PCI
)skb
->data
;
1224 memset(pTxFwInfo
, 0, sizeof(TX_FWINFO_8190PCI
));
1225 pTxFwInfo
->TxHT
= (tcb_desc
->data_rate
&0x80) ? 1 : 0;
1226 pTxFwInfo
->TxRate
= MRateToHwRate8190Pci((u8
)tcb_desc
->data_rate
);
1227 pTxFwInfo
->EnableCPUDur
= tcb_desc
->bTxEnableFwCalcDur
;
1228 pTxFwInfo
->Short
= QueryIsShort(pTxFwInfo
->TxHT
, pTxFwInfo
->TxRate
, tcb_desc
);
1230 /* Aggregation related */
1231 if (tcb_desc
->bAMPDUEnable
) {
1232 pTxFwInfo
->AllowAggregation
= 1;
1233 pTxFwInfo
->RxMF
= tcb_desc
->ampdu_factor
;
1234 pTxFwInfo
->RxAMD
= tcb_desc
->ampdu_density
;
1236 pTxFwInfo
->AllowAggregation
= 0;
1237 pTxFwInfo
->RxMF
= 0;
1238 pTxFwInfo
->RxAMD
= 0;
1241 /* Protection mode related */
1242 pTxFwInfo
->RtsEnable
= (tcb_desc
->bRTSEnable
) ? 1 : 0;
1243 pTxFwInfo
->CtsEnable
= (tcb_desc
->bCTSEnable
) ? 1 : 0;
1244 pTxFwInfo
->RtsSTBC
= (tcb_desc
->bRTSSTBC
) ? 1 : 0;
1245 pTxFwInfo
->RtsHT
= (tcb_desc
->rts_rate
&0x80) ? 1 : 0;
1246 pTxFwInfo
->RtsRate
= MRateToHwRate8190Pci((u8
)tcb_desc
->rts_rate
);
1247 pTxFwInfo
->RtsBandwidth
= 0;
1248 pTxFwInfo
->RtsSubcarrier
= tcb_desc
->RTSSC
;
1249 pTxFwInfo
->RtsShort
= (pTxFwInfo
->RtsHT
== 0) ? (tcb_desc
->bRTSUseShortPreamble
? 1 : 0) : (tcb_desc
->bRTSUseShortGI
? 1 : 0);
1251 /* Set Bandwidth and sub-channel settings. */
1252 if (priv
->CurrentChannelBW
== HT_CHANNEL_WIDTH_20_40
) {
1253 if (tcb_desc
->bPacketBW
) {
1254 pTxFwInfo
->TxBandwidth
= 1;
1255 /* use duplicated mode */
1256 pTxFwInfo
->TxSubCarrier
= 0;
1258 pTxFwInfo
->TxBandwidth
= 0;
1259 pTxFwInfo
->TxSubCarrier
= priv
->nCur40MhzPrimeSC
;
1262 pTxFwInfo
->TxBandwidth
= 0;
1263 pTxFwInfo
->TxSubCarrier
= 0;
1266 spin_lock_irqsave(&priv
->irq_th_lock
, flags
);
1267 ring
= &priv
->tx_ring
[tcb_desc
->queue_index
];
1268 if (tcb_desc
->queue_index
!= BEACON_QUEUE
)
1269 idx
= (ring
->idx
+ skb_queue_len(&ring
->queue
)) % ring
->entries
;
1273 pdesc
= &ring
->desc
[idx
];
1274 if ((pdesc
->OWN
== 1) && (tcb_desc
->queue_index
!= BEACON_QUEUE
)) {
1275 RT_TRACE(COMP_ERR
, "No more TX desc@%d, ring->idx = %d,idx = %d,%x\n",
1276 tcb_desc
->queue_index
, ring
->idx
, idx
, skb
->len
);
1277 spin_unlock_irqrestore(&priv
->irq_th_lock
, flags
);
1281 /* fill tx descriptor */
1282 memset(pdesc
, 0, 12);
1287 pdesc
->Offset
= sizeof(TX_FWINFO_8190PCI
) + 8; /* We must add 8!! */
1288 pdesc
->PktSize
= (u16
)skb
->len
-sizeof(TX_FWINFO_8190PCI
);
1291 pdesc
->SecCAMID
= 0;
1292 pdesc
->RATid
= tcb_desc
->RATRIndex
;
1295 pdesc
->SecType
= 0x0;
1296 if (tcb_desc
->bHwSec
) {
1297 switch (priv
->ieee80211
->pairwise_key_type
) {
1298 case KEY_TYPE_WEP40
:
1299 case KEY_TYPE_WEP104
:
1300 pdesc
->SecType
= 0x1;
1304 pdesc
->SecType
= 0x2;
1308 pdesc
->SecType
= 0x3;
1312 pdesc
->SecType
= 0x0;
1321 pdesc
->QueueSelect
= MapHwQueueToFirmwareQueue(tcb_desc
->queue_index
);
1322 pdesc
->TxFWInfoSize
= sizeof(TX_FWINFO_8190PCI
);
1324 pdesc
->DISFB
= tcb_desc
->bTxDisableRateFallBack
;
1325 pdesc
->USERATE
= tcb_desc
->bTxUseDriverAssingedRate
;
1327 pdesc
->FirstSeg
= 1;
1329 pdesc
->TxBufferSize
= skb
->len
;
1331 pdesc
->TxBuffAddr
= cpu_to_le32(mapping
);
1332 __skb_queue_tail(&ring
->queue
, skb
);
1334 spin_unlock_irqrestore(&priv
->irq_th_lock
, flags
);
1335 priv
->ieee80211
->dev
->trans_start
= jiffies
;
1336 write_nic_word(priv
, TPPoll
, 0x01<<tcb_desc
->queue_index
);
1340 static short rtl8192_alloc_rx_desc_ring(struct r8192_priv
*priv
)
1342 rx_desc_819x_pci
*entry
= NULL
;
1345 priv
->rx_ring
= pci_alloc_consistent(priv
->pdev
,
1346 sizeof(*priv
->rx_ring
) * priv
->rxringcount
, &priv
->rx_ring_dma
);
1348 if (!priv
->rx_ring
|| (unsigned long)priv
->rx_ring
& 0xFF) {
1349 RT_TRACE(COMP_ERR
,"Cannot allocate RX ring\n");
1353 memset(priv
->rx_ring
, 0, sizeof(*priv
->rx_ring
) * priv
->rxringcount
);
1356 for (i
= 0; i
< priv
->rxringcount
; i
++) {
1357 struct sk_buff
*skb
= dev_alloc_skb(priv
->rxbuffersize
);
1358 dma_addr_t
*mapping
;
1359 entry
= &priv
->rx_ring
[i
];
1362 priv
->rx_buf
[i
] = skb
;
1363 mapping
= (dma_addr_t
*)skb
->cb
;
1364 *mapping
= pci_map_single(priv
->pdev
, skb_tail_pointer(skb
),
1365 priv
->rxbuffersize
, PCI_DMA_FROMDEVICE
);
1367 entry
->BufferAddress
= cpu_to_le32(*mapping
);
1369 entry
->Length
= priv
->rxbuffersize
;
1377 static int rtl8192_alloc_tx_desc_ring(struct r8192_priv
*priv
,
1378 unsigned int prio
, unsigned int entries
)
1380 tx_desc_819x_pci
*ring
;
1384 ring
= pci_alloc_consistent(priv
->pdev
, sizeof(*ring
) * entries
, &dma
);
1385 if (!ring
|| (unsigned long)ring
& 0xFF) {
1386 RT_TRACE(COMP_ERR
, "Cannot allocate TX ring (prio = %d)\n", prio
);
1390 memset(ring
, 0, sizeof(*ring
)*entries
);
1391 priv
->tx_ring
[prio
].desc
= ring
;
1392 priv
->tx_ring
[prio
].dma
= dma
;
1393 priv
->tx_ring
[prio
].idx
= 0;
1394 priv
->tx_ring
[prio
].entries
= entries
;
1395 skb_queue_head_init(&priv
->tx_ring
[prio
].queue
);
1397 for (i
= 0; i
< entries
; i
++)
1398 ring
[i
].NextDescAddress
=
1399 cpu_to_le32((u32
)dma
+ ((i
+ 1) % entries
) * sizeof(*ring
));
1404 static short rtl8192_pci_initdescring(struct r8192_priv
*priv
)
1409 ret
= rtl8192_alloc_rx_desc_ring(priv
);
1413 /* general process for other queue */
1414 for (i
= 0; i
< MAX_TX_QUEUE_COUNT
; i
++) {
1415 ret
= rtl8192_alloc_tx_desc_ring(priv
, i
, priv
->txringcount
);
1417 goto err_free_rings
;
1423 rtl8192_free_rx_ring(priv
);
1424 for (i
= 0; i
< MAX_TX_QUEUE_COUNT
; i
++)
1425 if (priv
->tx_ring
[i
].desc
)
1426 rtl8192_free_tx_ring(priv
, i
);
1430 static void rtl8192_pci_resetdescring(struct r8192_priv
*priv
)
1434 /* force the rx_idx to the first one */
1436 rx_desc_819x_pci
*entry
= NULL
;
1437 for (i
= 0; i
< priv
->rxringcount
; i
++) {
1438 entry
= &priv
->rx_ring
[i
];
1444 /* after reset, release previous pending packet, and force the
1445 * tx idx to the first one */
1446 for (i
= 0; i
< MAX_TX_QUEUE_COUNT
; i
++) {
1447 if (priv
->tx_ring
[i
].desc
) {
1448 struct rtl8192_tx_ring
*ring
= &priv
->tx_ring
[i
];
1450 while (skb_queue_len(&ring
->queue
)) {
1451 tx_desc_819x_pci
*entry
= &ring
->desc
[ring
->idx
];
1452 struct sk_buff
*skb
= __skb_dequeue(&ring
->queue
);
1454 pci_unmap_single(priv
->pdev
, le32_to_cpu(entry
->TxBuffAddr
),
1455 skb
->len
, PCI_DMA_TODEVICE
);
1457 ring
->idx
= (ring
->idx
+ 1) % ring
->entries
;
1464 static void rtl8192_link_change(struct ieee80211_device
*ieee
)
1466 struct r8192_priv
*priv
= ieee80211_priv(ieee
->dev
);
1468 if (ieee
->state
== IEEE80211_LINKED
)
1470 rtl8192_net_update(priv
);
1471 rtl8192_update_ratr_table(priv
);
1473 //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
1474 if ((KEY_TYPE_WEP40
== ieee
->pairwise_key_type
) || (KEY_TYPE_WEP104
== ieee
->pairwise_key_type
))
1475 EnableHWSecurityConfig8192(priv
);
1479 write_nic_byte(priv
, 0x173, 0);
1482 rtl8192_update_msr(priv
);
1484 // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
1485 // // To set CBSSID bit when link with any AP or STA.
1486 if (ieee
->iw_mode
== IW_MODE_INFRA
|| ieee
->iw_mode
== IW_MODE_ADHOC
)
1489 reg
= read_nic_dword(priv
, RCR
);
1490 if (priv
->ieee80211
->state
== IEEE80211_LINKED
)
1491 priv
->ReceiveConfig
= reg
|= RCR_CBSSID
;
1493 priv
->ReceiveConfig
= reg
&= ~RCR_CBSSID
;
1494 write_nic_dword(priv
, RCR
, reg
);
1499 static const struct ieee80211_qos_parameters def_qos_parameters
= {
1500 {3,3,3,3},/* cw_min */
1501 {7,7,7,7},/* cw_max */
1502 {2,2,2,2},/* aifs */
1503 {0,0,0,0},/* flags */
1504 {0,0,0,0} /* tx_op_limit */
1507 static void rtl8192_update_beacon(struct work_struct
* work
)
1509 struct r8192_priv
*priv
= container_of(work
, struct r8192_priv
, update_beacon_wq
.work
);
1510 struct ieee80211_device
* ieee
= priv
->ieee80211
;
1511 struct ieee80211_network
* net
= &ieee
->current_network
;
1513 if (ieee
->pHTInfo
->bCurrentHTSupport
)
1514 HTUpdateSelfAndPeerSetting(ieee
, net
);
1515 ieee
->pHTInfo
->bCurrentRT2RTLongSlotTime
= net
->bssht
.bdRT2RTLongSlotTime
;
1516 rtl8192_update_cap(priv
, net
->capability
);
1520 * background support to run QoS activate functionality
1522 static const int WDCAPARA_ADD
[] = {EDCAPARA_BE
,EDCAPARA_BK
,EDCAPARA_VI
,EDCAPARA_VO
};
1523 static void rtl8192_qos_activate(struct work_struct
* work
)
1525 struct r8192_priv
*priv
= container_of(work
, struct r8192_priv
, qos_activate
);
1526 struct ieee80211_qos_parameters
*qos_parameters
= &priv
->ieee80211
->current_network
.qos_data
.parameters
;
1527 u8 mode
= priv
->ieee80211
->current_network
.mode
;
1532 mutex_lock(&priv
->mutex
);
1533 if(priv
->ieee80211
->state
!= IEEE80211_LINKED
)
1535 RT_TRACE(COMP_QOS
,"qos active process with associate response received\n");
1536 /* It better set slot time at first */
1537 /* For we just support b/g mode at present, let the slot time at 9/20 selection */
1538 /* update the ac parameter to related registers */
1539 for(i
= 0; i
< QOS_QUEUE_NUM
; i
++) {
1540 //Mode G/A: slotTimeTimer = 9; Mode B: 20
1541 u1bAIFS
= qos_parameters
->aifs
[i
] * ((mode
&(IEEE_G
|IEEE_N_24G
)) ?9:20) + aSifsTime
;
1542 u4bAcParam
= ((((u32
)(qos_parameters
->tx_op_limit
[i
]))<< AC_PARAM_TXOP_LIMIT_OFFSET
)|
1543 (((u32
)(qos_parameters
->cw_max
[i
]))<< AC_PARAM_ECW_MAX_OFFSET
)|
1544 (((u32
)(qos_parameters
->cw_min
[i
]))<< AC_PARAM_ECW_MIN_OFFSET
)|
1545 ((u32
)u1bAIFS
<< AC_PARAM_AIFS_OFFSET
));
1546 write_nic_dword(priv
, WDCAPARA_ADD
[i
], u4bAcParam
);
1550 mutex_unlock(&priv
->mutex
);
1553 static int rtl8192_qos_handle_probe_response(struct r8192_priv
*priv
,
1555 struct ieee80211_network
*network
)
1558 u32 size
= sizeof(struct ieee80211_qos_parameters
);
1560 if(priv
->ieee80211
->state
!=IEEE80211_LINKED
)
1563 if ((priv
->ieee80211
->iw_mode
!= IW_MODE_INFRA
))
1566 if (network
->flags
& NETWORK_HAS_QOS_MASK
) {
1567 if (active_network
&&
1568 (network
->flags
& NETWORK_HAS_QOS_PARAMETERS
))
1569 network
->qos_data
.active
= network
->qos_data
.supported
;
1571 if ((network
->qos_data
.active
== 1) && (active_network
== 1) &&
1572 (network
->flags
& NETWORK_HAS_QOS_PARAMETERS
) &&
1573 (network
->qos_data
.old_param_count
!=
1574 network
->qos_data
.param_count
)) {
1575 network
->qos_data
.old_param_count
=
1576 network
->qos_data
.param_count
;
1577 queue_work(priv
->priv_wq
, &priv
->qos_activate
);
1578 RT_TRACE (COMP_QOS
, "QoS parameters change call "
1582 memcpy(&priv
->ieee80211
->current_network
.qos_data
.parameters
,
1583 &def_qos_parameters
, size
);
1585 if ((network
->qos_data
.active
== 1) && (active_network
== 1)) {
1586 queue_work(priv
->priv_wq
, &priv
->qos_activate
);
1587 RT_TRACE(COMP_QOS
, "QoS was disabled call qos_activate\n");
1589 network
->qos_data
.active
= 0;
1590 network
->qos_data
.supported
= 0;
1596 /* handle manage frame frame beacon and probe response */
1597 static int rtl8192_handle_beacon(struct ieee80211_device
*ieee
,
1598 struct ieee80211_beacon
* beacon
,
1599 struct ieee80211_network
* network
)
1601 struct r8192_priv
*priv
= ieee80211_priv(ieee
->dev
);
1603 rtl8192_qos_handle_probe_response(priv
,1,network
);
1605 queue_delayed_work(priv
->priv_wq
, &priv
->update_beacon_wq
, 0);
1611 * handling the beaconing responses. if we get different QoS setting
1612 * off the network from the associated setting, adjust the QoS setting
1614 static int rtl8192_qos_association_resp(struct r8192_priv
*priv
,
1615 struct ieee80211_network
*network
)
1618 unsigned long flags
;
1619 u32 size
= sizeof(struct ieee80211_qos_parameters
);
1620 int set_qos_param
= 0;
1622 if ((priv
== NULL
) || (network
== NULL
))
1625 if (priv
->ieee80211
->state
!= IEEE80211_LINKED
)
1628 if ((priv
->ieee80211
->iw_mode
!= IW_MODE_INFRA
))
1631 spin_lock_irqsave(&priv
->ieee80211
->lock
, flags
);
1632 if (network
->flags
& NETWORK_HAS_QOS_PARAMETERS
) {
1633 memcpy(&priv
->ieee80211
->current_network
.qos_data
.parameters
,
1634 &network
->qos_data
.parameters
,
1635 sizeof(struct ieee80211_qos_parameters
));
1636 priv
->ieee80211
->current_network
.qos_data
.active
= 1;
1638 /* update qos parameter for current network */
1639 priv
->ieee80211
->current_network
.qos_data
.old_param_count
=
1640 priv
->ieee80211
->current_network
.qos_data
.param_count
;
1641 priv
->ieee80211
->current_network
.qos_data
.param_count
=
1642 network
->qos_data
.param_count
;
1645 memcpy(&priv
->ieee80211
->current_network
.qos_data
.parameters
,
1646 &def_qos_parameters
, size
);
1647 priv
->ieee80211
->current_network
.qos_data
.active
= 0;
1648 priv
->ieee80211
->current_network
.qos_data
.supported
= 0;
1652 spin_unlock_irqrestore(&priv
->ieee80211
->lock
, flags
);
1654 RT_TRACE(COMP_QOS
, "%s: network->flags = %d,%d\n", __FUNCTION__
,
1655 network
->flags
, priv
->ieee80211
->current_network
.qos_data
.active
);
1656 if (set_qos_param
== 1)
1657 queue_work(priv
->priv_wq
, &priv
->qos_activate
);
1663 static int rtl8192_handle_assoc_response(struct ieee80211_device
*ieee
,
1664 struct ieee80211_assoc_response_frame
*resp
,
1665 struct ieee80211_network
*network
)
1667 struct r8192_priv
*priv
= ieee80211_priv(ieee
->dev
);
1668 rtl8192_qos_association_resp(priv
, network
);
1673 /* updateRATRTabel for MCS only. Basic rate is not implemented. */
1674 static void rtl8192_update_ratr_table(struct r8192_priv
* priv
)
1676 struct ieee80211_device
* ieee
= priv
->ieee80211
;
1677 u8
* pMcsRate
= ieee
->dot11HTOperationalRateSet
;
1681 rtl8192_config_rate(priv
, (u16
*)(&ratr_value
));
1682 ratr_value
|= (*(u16
*)(pMcsRate
)) << 12;
1687 ratr_value
&= 0x00000FF0;
1690 ratr_value
&= 0x0000000F;
1693 ratr_value
&= 0x00000FF7;
1697 if (ieee
->pHTInfo
->PeerMimoPs
== 0) //MIMO_PS_STATIC
1698 ratr_value
&= 0x0007F007;
1700 if (priv
->rf_type
== RF_1T2R
)
1701 ratr_value
&= 0x000FF007;
1703 ratr_value
&= 0x0F81F007;
1709 ratr_value
&= 0x0FFFFFFF;
1710 if(ieee
->pHTInfo
->bCurTxBW40MHz
&& ieee
->pHTInfo
->bCurShortGI40MHz
){
1711 ratr_value
|= 0x80000000;
1712 }else if(!ieee
->pHTInfo
->bCurTxBW40MHz
&& ieee
->pHTInfo
->bCurShortGI20MHz
){
1713 ratr_value
|= 0x80000000;
1715 write_nic_dword(priv
, RATR0
+rate_index
*4, ratr_value
);
1716 write_nic_byte(priv
, UFWP
, 1);
1719 static bool GetNmodeSupportBySecCfg8190Pci(struct ieee80211_device
*ieee
)
1721 return !(ieee
->rtllib_ap_sec_type
&&
1722 (ieee
->rtllib_ap_sec_type(ieee
)&(SEC_ALG_WEP
|SEC_ALG_TKIP
)));
1725 static void rtl8192_refresh_supportrate(struct r8192_priv
* priv
)
1727 struct ieee80211_device
* ieee
= priv
->ieee80211
;
1728 //we donot consider set support rate for ABG mode, only HT MCS rate is set here.
1729 if (ieee
->mode
== WIRELESS_MODE_N_24G
|| ieee
->mode
== WIRELESS_MODE_N_5G
)
1731 memcpy(ieee
->Regdot11HTOperationalRateSet
, ieee
->RegHTSuppRateSet
, 16);
1734 memset(ieee
->Regdot11HTOperationalRateSet
, 0, 16);
1737 static u8
rtl8192_getSupportedWireleeMode(void)
1739 return (WIRELESS_MODE_N_24G
|WIRELESS_MODE_G
|WIRELESS_MODE_B
);
1742 static void rtl8192_SetWirelessMode(struct ieee80211_device
*ieee
, u8 wireless_mode
)
1744 struct r8192_priv
*priv
= ieee80211_priv(ieee
->dev
);
1745 u8 bSupportMode
= rtl8192_getSupportedWireleeMode();
1747 if ((wireless_mode
== WIRELESS_MODE_AUTO
) || ((wireless_mode
&bSupportMode
)==0))
1749 if(bSupportMode
& WIRELESS_MODE_N_24G
)
1751 wireless_mode
= WIRELESS_MODE_N_24G
;
1753 else if(bSupportMode
& WIRELESS_MODE_N_5G
)
1755 wireless_mode
= WIRELESS_MODE_N_5G
;
1757 else if((bSupportMode
& WIRELESS_MODE_A
))
1759 wireless_mode
= WIRELESS_MODE_A
;
1761 else if((bSupportMode
& WIRELESS_MODE_G
))
1763 wireless_mode
= WIRELESS_MODE_G
;
1765 else if((bSupportMode
& WIRELESS_MODE_B
))
1767 wireless_mode
= WIRELESS_MODE_B
;
1770 RT_TRACE(COMP_ERR
, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__
,bSupportMode
);
1771 wireless_mode
= WIRELESS_MODE_B
;
1774 priv
->ieee80211
->mode
= wireless_mode
;
1776 if ((wireless_mode
== WIRELESS_MODE_N_24G
) || (wireless_mode
== WIRELESS_MODE_N_5G
))
1777 priv
->ieee80211
->pHTInfo
->bEnableHT
= 1;
1779 priv
->ieee80211
->pHTInfo
->bEnableHT
= 0;
1780 RT_TRACE(COMP_INIT
, "Current Wireless Mode is %x\n", wireless_mode
);
1781 rtl8192_refresh_supportrate(priv
);
1784 static bool GetHalfNmodeSupportByAPs819xPci(struct ieee80211_device
* ieee
)
1786 return ieee
->bHalfWirelessN24GMode
;
1789 static short rtl8192_is_tx_queue_empty(struct ieee80211_device
*ieee
)
1792 struct r8192_priv
*priv
= ieee80211_priv(ieee
->dev
);
1794 for (i
=0; i
<=MGNT_QUEUE
; i
++)
1796 if ((i
== TXCMD_QUEUE
) || (i
== HCCA_QUEUE
) )
1798 if (skb_queue_len(&(&priv
->tx_ring
[i
])->queue
) > 0){
1799 printk("===>tx queue is not empty:%d, %d\n", i
, skb_queue_len(&(&priv
->tx_ring
[i
])->queue
));
1806 static void rtl8192_hw_sleep_down(struct r8192_priv
*priv
)
1808 MgntActSet_RF_State(priv
, eRfSleep
, RF_CHANGE_BY_PS
);
1811 static void rtl8192_hw_wakeup(struct ieee80211_device
*ieee
)
1813 struct r8192_priv
*priv
= ieee80211_priv(ieee
->dev
);
1814 MgntActSet_RF_State(priv
, eRfOn
, RF_CHANGE_BY_PS
);
1817 static void rtl8192_hw_wakeup_wq (struct work_struct
*work
)
1819 struct delayed_work
*dwork
= container_of(work
,struct delayed_work
,work
);
1820 struct ieee80211_device
*ieee
= container_of(dwork
,struct ieee80211_device
,hw_wakeup_wq
);
1822 rtl8192_hw_wakeup(ieee
);
1825 #define MIN_SLEEP_TIME 50
1826 #define MAX_SLEEP_TIME 10000
1827 static void rtl8192_hw_to_sleep(struct ieee80211_device
*ieee
, u32 th
, u32 tl
)
1829 struct r8192_priv
*priv
= ieee80211_priv(ieee
->dev
);
1833 // Writing HW register with 0 equals to disable
1834 // the timer, that is not really what we want
1836 tl
-= MSECS(8+16+7);
1838 // If the interval in witch we are requested to sleep is too
1839 // short then give up and remain awake
1840 // when we sleep after send null frame, the timer will be too short to sleep.
1842 if(((tl
>=rb
)&& (tl
-rb
) <= MSECS(MIN_SLEEP_TIME
))
1843 ||((rb
>tl
)&& (rb
-tl
) < MSECS(MIN_SLEEP_TIME
))) {
1844 printk("too short to sleep::%x, %x, %lx\n",tl
, rb
, MSECS(MIN_SLEEP_TIME
));
1848 if(((tl
> rb
) && ((tl
-rb
) > MSECS(MAX_SLEEP_TIME
)))||
1849 ((tl
< rb
) && (tl
>MSECS(69)) && ((rb
-tl
) > MSECS(MAX_SLEEP_TIME
)))||
1850 ((tl
<rb
)&&(tl
<MSECS(69))&&((tl
+0xffffffff-rb
)>MSECS(MAX_SLEEP_TIME
)))) {
1851 printk("========>too long to sleep:%x, %x, %lx\n", tl
, rb
, MSECS(MAX_SLEEP_TIME
));
1855 tmp
= (tl
>rb
)?(tl
-rb
):(rb
-tl
);
1856 queue_delayed_work(priv
->ieee80211
->wq
,
1857 &priv
->ieee80211
->hw_wakeup_wq
,tmp
);
1859 rtl8192_hw_sleep_down(priv
);
1862 static void rtl8192_init_priv_variable(struct r8192_priv
*priv
)
1865 PRT_POWER_SAVE_CONTROL pPSC
= &priv
->PowerSaveControl
;
1867 // Default Halt the NIC if RF is OFF.
1868 pPSC
->RegRfPsLevel
|= RT_RF_OFF_LEVL_HALT_NIC
;
1869 pPSC
->RegRfPsLevel
|= RT_RF_OFF_LEVL_CLK_REQ
;
1870 pPSC
->RegRfPsLevel
|= RT_RF_OFF_LEVL_ASPM
;
1871 pPSC
->RegRfPsLevel
|= RT_RF_LPS_LEVEL_ASPM
;
1872 pPSC
->bLeisurePs
= true;
1873 priv
->ieee80211
->RegMaxLPSAwakeIntvl
= 5;
1874 priv
->bHwRadioOff
= false;
1876 priv
->being_init_adapter
= false;
1877 priv
->txringcount
= 64;//32;
1878 priv
->rxbuffersize
= 9100;//2048;//1024;
1879 priv
->rxringcount
= MAX_RX_COUNT
;//64;
1880 priv
->chan
= 1; //set to channel 1
1881 priv
->RegWirelessMode
= WIRELESS_MODE_AUTO
;
1882 priv
->RegChannelPlan
= 0xf;
1883 priv
->ieee80211
->mode
= WIRELESS_MODE_AUTO
; //SET AUTO
1884 priv
->ieee80211
->iw_mode
= IW_MODE_INFRA
;
1885 priv
->ieee80211
->ieee_up
=0;
1886 priv
->retry_rts
= DEFAULT_RETRY_RTS
;
1887 priv
->retry_data
= DEFAULT_RETRY_DATA
;
1888 priv
->ieee80211
->rts
= DEFAULT_RTS_THRESHOLD
;
1889 priv
->ieee80211
->rate
= 110; //11 mbps
1890 priv
->ieee80211
->short_slot
= 1;
1891 priv
->promisc
= (priv
->ieee80211
->dev
->flags
& IFF_PROMISC
) ? 1:0;
1892 priv
->bcck_in_ch14
= false;
1893 priv
->CCKPresentAttentuation
= 0;
1894 priv
->rfa_txpowertrackingindex
= 0;
1895 priv
->rfc_txpowertrackingindex
= 0;
1897 //added by amy for silent reset
1898 priv
->ResetProgress
= RESET_TYPE_NORESET
;
1899 priv
->bForcedSilentReset
= 0;
1900 priv
->bDisableNormalResetCheck
= false;
1901 priv
->force_reset
= false;
1902 //added by amy for power save
1903 priv
->RfOffReason
= 0;
1904 priv
->bHwRfOffAction
= 0;
1905 priv
->PowerSaveControl
.bInactivePs
= true;
1906 priv
->PowerSaveControl
.bIPSModeBackup
= false;
1908 priv
->ieee80211
->current_network
.beacon_interval
= DEFAULT_BEACONINTERVAL
;
1909 priv
->ieee80211
->iw_mode
= IW_MODE_INFRA
;
1910 priv
->ieee80211
->softmac_features
= IEEE_SOFTMAC_SCAN
|
1911 IEEE_SOFTMAC_ASSOCIATE
| IEEE_SOFTMAC_PROBERQ
|
1912 IEEE_SOFTMAC_PROBERS
| IEEE_SOFTMAC_TX_QUEUE
;/* |
1913 IEEE_SOFTMAC_BEACONS;*///added by amy
080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE;
1915 priv
->ieee80211
->active_scan
= 1;
1916 priv
->ieee80211
->modulation
= IEEE80211_CCK_MODULATION
| IEEE80211_OFDM_MODULATION
;
1917 priv
->ieee80211
->host_encrypt
= 1;
1918 priv
->ieee80211
->host_decrypt
= 1;
1919 priv
->ieee80211
->start_send_beacons
= rtl8192_start_beacon
;
1920 priv
->ieee80211
->stop_send_beacons
= rtl8192_stop_beacon
;
1921 priv
->ieee80211
->softmac_hard_start_xmit
= rtl8192_hard_start_xmit
;
1922 priv
->ieee80211
->set_chan
= rtl8192_set_chan
;
1923 priv
->ieee80211
->link_change
= rtl8192_link_change
;
1924 priv
->ieee80211
->softmac_data_hard_start_xmit
= rtl8192_hard_data_xmit
;
1925 priv
->ieee80211
->data_hard_stop
= rtl8192_data_hard_stop
;
1926 priv
->ieee80211
->data_hard_resume
= rtl8192_data_hard_resume
;
1927 priv
->ieee80211
->init_wmmparam_flag
= 0;
1928 priv
->ieee80211
->fts
= DEFAULT_FRAG_THRESHOLD
;
1929 priv
->ieee80211
->check_nic_enough_desc
= check_nic_enough_desc
;
1930 priv
->ieee80211
->tx_headroom
= sizeof(TX_FWINFO_8190PCI
);
1931 priv
->ieee80211
->qos_support
= 1;
1932 priv
->ieee80211
->SetBWModeHandler
= rtl8192_SetBWMode
;
1933 priv
->ieee80211
->handle_assoc_response
= rtl8192_handle_assoc_response
;
1934 priv
->ieee80211
->handle_beacon
= rtl8192_handle_beacon
;
1936 priv
->ieee80211
->sta_wake_up
= rtl8192_hw_wakeup
;
1937 priv
->ieee80211
->enter_sleep_state
= rtl8192_hw_to_sleep
;
1938 priv
->ieee80211
->ps_is_queue_empty
= rtl8192_is_tx_queue_empty
;
1939 priv
->ieee80211
->GetNmodeSupportBySecCfg
= GetNmodeSupportBySecCfg8190Pci
;
1940 priv
->ieee80211
->SetWirelessMode
= rtl8192_SetWirelessMode
;
1941 priv
->ieee80211
->GetHalfNmodeSupportByAPsHandler
= GetHalfNmodeSupportByAPs819xPci
;
1943 priv
->ieee80211
->InitialGainHandler
= InitialGain819xPci
;
1946 priv
->ieee80211
->ieee80211_ips_leave_wq
= ieee80211_ips_leave_wq
;
1947 priv
->ieee80211
->ieee80211_ips_leave
= ieee80211_ips_leave
;
1950 priv
->ieee80211
->LeisurePSLeave
= LeisurePSLeave
;
1953 priv
->ieee80211
->SetHwRegHandler
= rtl8192e_SetHwReg
;
1954 priv
->ieee80211
->rtllib_ap_sec_type
= rtl8192e_ap_sec_type
;
1956 priv
->ShortRetryLimit
= 0x30;
1957 priv
->LongRetryLimit
= 0x30;
1959 priv
->ReceiveConfig
= RCR_ADD3
|
1960 RCR_AMF
| RCR_ADF
| //accept management/data
1961 RCR_AICV
| //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
1962 RCR_AB
| RCR_AM
| RCR_APM
| //accept BC/MC/UC
1963 RCR_AAP
| ((u32
)7<<RCR_MXDMA_OFFSET
) |
1964 ((u32
)7 << RCR_FIFO_OFFSET
) | RCR_ONLYERLPKT
;
1966 priv
->pFirmware
= vzalloc(sizeof(rt_firmware
));
1968 /* rx related queue */
1969 skb_queue_head_init(&priv
->skb_queue
);
1971 /* Tx related queue */
1972 for(i
= 0; i
< MAX_QUEUE_SIZE
; i
++) {
1973 skb_queue_head_init(&priv
->ieee80211
->skb_waitQ
[i
]);
1975 for(i
= 0; i
< MAX_QUEUE_SIZE
; i
++) {
1976 skb_queue_head_init(&priv
->ieee80211
->skb_aggQ
[i
]);
1978 priv
->rf_set_chan
= rtl8192_phy_SwChnl
;
1981 static void rtl8192_init_priv_lock(struct r8192_priv
* priv
)
1983 spin_lock_init(&priv
->irq_th_lock
);
1984 spin_lock_init(&priv
->rf_ps_lock
);
1985 sema_init(&priv
->wx_sem
,1);
1986 sema_init(&priv
->rf_sem
,1);
1987 mutex_init(&priv
->mutex
);
1990 /* init tasklet and wait_queue here */
1991 #define DRV_NAME "wlan0"
1992 static void rtl8192_init_priv_task(struct r8192_priv
*priv
)
1994 priv
->priv_wq
= create_workqueue(DRV_NAME
);
1997 INIT_WORK(&priv
->ieee80211
->ips_leave_wq
, IPSLeave_wq
);
2000 INIT_WORK(&priv
->reset_wq
, rtl8192_restart
);
2001 INIT_DELAYED_WORK(&priv
->watch_dog_wq
, rtl819x_watchdog_wqcallback
);
2002 INIT_DELAYED_WORK(&priv
->txpower_tracking_wq
, dm_txpower_trackingcallback
);
2003 INIT_DELAYED_WORK(&priv
->rfpath_check_wq
, dm_rf_pathcheck_workitemcallback
);
2004 INIT_DELAYED_WORK(&priv
->update_beacon_wq
, rtl8192_update_beacon
);
2005 INIT_WORK(&priv
->qos_activate
, rtl8192_qos_activate
);
2006 INIT_DELAYED_WORK(&priv
->ieee80211
->hw_wakeup_wq
, rtl8192_hw_wakeup_wq
);
2008 tasklet_init(&priv
->irq_rx_tasklet
, rtl8192_irq_rx_tasklet
,
2009 (unsigned long) priv
);
2010 tasklet_init(&priv
->irq_tx_tasklet
, rtl8192_irq_tx_tasklet
,
2011 (unsigned long) priv
);
2012 tasklet_init(&priv
->irq_prepare_beacon_tasklet
, rtl8192_prepare_beacon
,
2013 (unsigned long) priv
);
2016 static void rtl8192_get_eeprom_size(struct r8192_priv
*priv
)
2019 RT_TRACE(COMP_INIT
, "===========>%s()\n", __FUNCTION__
);
2020 curCR
= read_nic_dword(priv
, EPROM_CMD
);
2021 RT_TRACE(COMP_INIT
, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD
, curCR
);
2022 //whether need I consider BIT5?
2023 priv
->epromtype
= (curCR
& EPROM_CMD_9356SEL
) ? EPROM_93c56
: EPROM_93c46
;
2024 RT_TRACE(COMP_INIT
, "<===========%s(), epromtype:%d\n", __FUNCTION__
, priv
->epromtype
);
2028 * Adapter->EEPROMAddressSize should be set before this function call.
2029 * EEPROM address size can be got through GetEEPROMSize8185()
2031 static void rtl8192_read_eeprom_info(struct r8192_priv
*priv
)
2033 struct net_device
*dev
= priv
->ieee80211
->dev
;
2035 u8 ICVer8192
, ICVer8256
;
2036 u16 i
,usValue
, IC_Version
;
2038 u8 bMac_Tmp_Addr
[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
2039 RT_TRACE(COMP_INIT
, "====> rtl8192_read_eeprom_info\n");
2042 // TODO: I don't know if we need to apply EF function to EEPROM read function
2044 //2 Read EEPROM ID to make sure autoload is success
2045 EEPROMId
= eprom_read(priv
, 0);
2046 if( EEPROMId
!= RTL8190_EEPROM_ID
)
2048 RT_TRACE(COMP_ERR
, "EEPROM ID is invalid:%x, %x\n", EEPROMId
, RTL8190_EEPROM_ID
);
2049 priv
->AutoloadFailFlag
=true;
2053 priv
->AutoloadFailFlag
=false;
2057 // Assign Chip Version ID
2059 // Read IC Version && Channel Plan
2060 if(!priv
->AutoloadFailFlag
)
2063 priv
->eeprom_vid
= eprom_read(priv
, (EEPROM_VID
>> 1));
2064 priv
->eeprom_did
= eprom_read(priv
, (EEPROM_DID
>> 1));
2066 usValue
= eprom_read(priv
, (u16
)(EEPROM_Customer_ID
>>1)) >> 8 ;
2067 priv
->eeprom_CustomerID
= (u8
)( usValue
& 0xff);
2068 usValue
= eprom_read(priv
, (EEPROM_ICVersion_ChannelPlan
>>1));
2069 priv
->eeprom_ChannelPlan
= usValue
&0xff;
2070 IC_Version
= ((usValue
&0xff00)>>8);
2072 ICVer8192
= (IC_Version
&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut...
2073 ICVer8256
= ((IC_Version
&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
2074 RT_TRACE(COMP_INIT
, "ICVer8192 = 0x%x\n", ICVer8192
);
2075 RT_TRACE(COMP_INIT
, "ICVer8256 = 0x%x\n", ICVer8256
);
2076 if(ICVer8192
== 0x2) //B-cut
2078 if(ICVer8256
== 0x5) //E-cut
2079 priv
->card_8192_version
= VERSION_8190_BE
;
2082 switch(priv
->card_8192_version
)
2084 case VERSION_8190_BD
:
2085 case VERSION_8190_BE
:
2088 priv
->card_8192_version
= VERSION_8190_BD
;
2091 RT_TRACE(COMP_INIT
, "\nIC Version = 0x%x\n", priv
->card_8192_version
);
2095 priv
->card_8192_version
= VERSION_8190_BD
;
2096 priv
->eeprom_vid
= 0;
2097 priv
->eeprom_did
= 0;
2098 priv
->eeprom_CustomerID
= 0;
2099 priv
->eeprom_ChannelPlan
= 0;
2100 RT_TRACE(COMP_INIT
, "IC Version = 0x%x\n", 0xff);
2103 RT_TRACE(COMP_INIT
, "EEPROM VID = 0x%4x\n", priv
->eeprom_vid
);
2104 RT_TRACE(COMP_INIT
, "EEPROM DID = 0x%4x\n", priv
->eeprom_did
);
2105 RT_TRACE(COMP_INIT
,"EEPROM Customer ID: 0x%2x\n", priv
->eeprom_CustomerID
);
2107 //2 Read Permanent MAC address
2108 if(!priv
->AutoloadFailFlag
)
2110 for(i
= 0; i
< 6; i
+= 2)
2112 usValue
= eprom_read(priv
, (u16
) ((EEPROM_NODE_ADDRESS_BYTE_0
+i
)>>1));
2113 *(u16
*)(&dev
->dev_addr
[i
]) = usValue
;
2116 // when auto load failed, the last address byte set to be a random one.
2117 // added by david woo.2007/11/7
2118 memcpy(dev
->dev_addr
, bMac_Tmp_Addr
, 6);
2121 RT_TRACE(COMP_INIT
, "Permanent Address = %pM\n", dev
->dev_addr
);
2123 //2 TX Power Check EEPROM Fail or not
2124 if(priv
->card_8192_version
> VERSION_8190_BD
) {
2125 priv
->bTXPowerDataReadFromEEPORM
= true;
2127 priv
->bTXPowerDataReadFromEEPORM
= false;
2130 // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
2131 priv
->rf_type
= RTL819X_DEFAULT_RF_TYPE
;
2133 if(priv
->card_8192_version
> VERSION_8190_BD
)
2135 // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
2136 if(!priv
->AutoloadFailFlag
)
2138 tempval
= (eprom_read(priv
, (EEPROM_RFInd_PowerDiff
>>1))) & 0xff;
2139 priv
->EEPROMLegacyHTTxPowerDiff
= tempval
& 0xf; // bit[3:0]
2141 if (tempval
&0x80) //RF-indication, bit[7]
2142 priv
->rf_type
= RF_1T2R
;
2144 priv
->rf_type
= RF_2T4R
;
2148 priv
->EEPROMLegacyHTTxPowerDiff
= EEPROM_Default_LegacyHTTxPowerDiff
;
2150 RT_TRACE(COMP_INIT
, "EEPROMLegacyHTTxPowerDiff = %d\n",
2151 priv
->EEPROMLegacyHTTxPowerDiff
);
2153 // Read ThermalMeter from EEPROM
2154 if(!priv
->AutoloadFailFlag
)
2156 priv
->EEPROMThermalMeter
= (u8
)(((eprom_read(priv
, (EEPROM_ThermalMeter
>>1))) & 0xff00)>>8);
2160 priv
->EEPROMThermalMeter
= EEPROM_Default_ThermalMeter
;
2162 RT_TRACE(COMP_INIT
, "ThermalMeter = %d\n", priv
->EEPROMThermalMeter
);
2163 //vivi, for tx power track
2164 priv
->TSSI_13dBm
= priv
->EEPROMThermalMeter
*100;
2166 if(priv
->epromtype
== EPROM_93c46
)
2168 // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
2169 if(!priv
->AutoloadFailFlag
)
2171 usValue
= eprom_read(priv
, (EEPROM_TxPwDiff_CrystalCap
>>1));
2172 priv
->EEPROMAntPwDiff
= (usValue
&0x0fff);
2173 priv
->EEPROMCrystalCap
= (u8
)((usValue
&0xf000)>>12);
2177 priv
->EEPROMAntPwDiff
= EEPROM_Default_AntTxPowerDiff
;
2178 priv
->EEPROMCrystalCap
= EEPROM_Default_TxPwDiff_CrystalCap
;
2180 RT_TRACE(COMP_INIT
, "EEPROMAntPwDiff = %d\n", priv
->EEPROMAntPwDiff
);
2181 RT_TRACE(COMP_INIT
, "EEPROMCrystalCap = %d\n", priv
->EEPROMCrystalCap
);
2184 // Get per-channel Tx Power Level
2186 for(i
=0; i
<14; i
+=2)
2188 if(!priv
->AutoloadFailFlag
)
2190 usValue
= eprom_read(priv
, (u16
) ((EEPROM_TxPwIndex_CCK
+i
)>>1) );
2194 usValue
= EEPROM_Default_TxPower
;
2196 *((u16
*)(&priv
->EEPROMTxPowerLevelCCK
[i
])) = usValue
;
2197 RT_TRACE(COMP_INIT
,"CCK Tx Power Level, Index %d = 0x%02x\n", i
, priv
->EEPROMTxPowerLevelCCK
[i
]);
2198 RT_TRACE(COMP_INIT
, "CCK Tx Power Level, Index %d = 0x%02x\n", i
+1, priv
->EEPROMTxPowerLevelCCK
[i
+1]);
2200 for(i
=0; i
<14; i
+=2)
2202 if(!priv
->AutoloadFailFlag
)
2204 usValue
= eprom_read(priv
, (u16
) ((EEPROM_TxPwIndex_OFDM_24G
+i
)>>1) );
2208 usValue
= EEPROM_Default_TxPower
;
2210 *((u16
*)(&priv
->EEPROMTxPowerLevelOFDM24G
[i
])) = usValue
;
2211 RT_TRACE(COMP_INIT
, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i
, priv
->EEPROMTxPowerLevelOFDM24G
[i
]);
2212 RT_TRACE(COMP_INIT
, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i
+1, priv
->EEPROMTxPowerLevelOFDM24G
[i
+1]);
2217 // Update HAL variables.
2219 if(priv
->epromtype
== EPROM_93c46
)
2223 priv
->TxPowerLevelCCK
[i
] = priv
->EEPROMTxPowerLevelCCK
[i
];
2224 priv
->TxPowerLevelOFDM24G
[i
] = priv
->EEPROMTxPowerLevelOFDM24G
[i
];
2226 priv
->LegacyHTTxPowerDiff
= priv
->EEPROMLegacyHTTxPowerDiff
;
2227 // Antenna B gain offset to antenna A, bit0~3
2228 priv
->AntennaTxPwDiff
[0] = (priv
->EEPROMAntPwDiff
& 0xf);
2229 // Antenna C gain offset to antenna A, bit4~7
2230 priv
->AntennaTxPwDiff
[1] = ((priv
->EEPROMAntPwDiff
& 0xf0)>>4);
2231 // Antenna D gain offset to antenna A, bit8~11
2232 priv
->AntennaTxPwDiff
[2] = ((priv
->EEPROMAntPwDiff
& 0xf00)>>8);
2233 // CrystalCap, bit12~15
2234 priv
->CrystalCap
= priv
->EEPROMCrystalCap
;
2235 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2236 priv
->ThermalMeter
[0] = (priv
->EEPROMThermalMeter
& 0xf);
2237 priv
->ThermalMeter
[1] = ((priv
->EEPROMThermalMeter
& 0xf0)>>4);
2239 else if(priv
->epromtype
== EPROM_93c56
)
2241 for(i
=0; i
<3; i
++) // channel 1~3 use the same Tx Power Level.
2243 priv
->TxPowerLevelCCK_A
[i
] = priv
->EEPROMRfACCKChnl1TxPwLevel
[0];
2244 priv
->TxPowerLevelOFDM24G_A
[i
] = priv
->EEPROMRfAOfdmChnlTxPwLevel
[0];
2245 priv
->TxPowerLevelCCK_C
[i
] = priv
->EEPROMRfCCCKChnl1TxPwLevel
[0];
2246 priv
->TxPowerLevelOFDM24G_C
[i
] = priv
->EEPROMRfCOfdmChnlTxPwLevel
[0];
2248 for(i
=3; i
<9; i
++) // channel 4~9 use the same Tx Power Level
2250 priv
->TxPowerLevelCCK_A
[i
] = priv
->EEPROMRfACCKChnl1TxPwLevel
[1];
2251 priv
->TxPowerLevelOFDM24G_A
[i
] = priv
->EEPROMRfAOfdmChnlTxPwLevel
[1];
2252 priv
->TxPowerLevelCCK_C
[i
] = priv
->EEPROMRfCCCKChnl1TxPwLevel
[1];
2253 priv
->TxPowerLevelOFDM24G_C
[i
] = priv
->EEPROMRfCOfdmChnlTxPwLevel
[1];
2255 for(i
=9; i
<14; i
++) // channel 10~14 use the same Tx Power Level
2257 priv
->TxPowerLevelCCK_A
[i
] = priv
->EEPROMRfACCKChnl1TxPwLevel
[2];
2258 priv
->TxPowerLevelOFDM24G_A
[i
] = priv
->EEPROMRfAOfdmChnlTxPwLevel
[2];
2259 priv
->TxPowerLevelCCK_C
[i
] = priv
->EEPROMRfCCCKChnl1TxPwLevel
[2];
2260 priv
->TxPowerLevelOFDM24G_C
[i
] = priv
->EEPROMRfCOfdmChnlTxPwLevel
[2];
2263 RT_TRACE(COMP_INIT
, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i
, priv
->TxPowerLevelCCK_A
[i
]);
2265 RT_TRACE(COMP_INIT
,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i
, priv
->TxPowerLevelOFDM24G_A
[i
]);
2267 RT_TRACE(COMP_INIT
, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i
, priv
->TxPowerLevelCCK_C
[i
]);
2269 RT_TRACE(COMP_INIT
, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i
, priv
->TxPowerLevelOFDM24G_C
[i
]);
2270 priv
->LegacyHTTxPowerDiff
= priv
->EEPROMLegacyHTTxPowerDiff
;
2271 priv
->AntennaTxPwDiff
[0] = 0;
2272 priv
->AntennaTxPwDiff
[1] = 0;
2273 priv
->AntennaTxPwDiff
[2] = 0;
2274 priv
->CrystalCap
= priv
->EEPROMCrystalCap
;
2275 // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
2276 priv
->ThermalMeter
[0] = (priv
->EEPROMThermalMeter
& 0xf);
2277 priv
->ThermalMeter
[1] = ((priv
->EEPROMThermalMeter
& 0xf0)>>4);
2281 if(priv
->rf_type
== RF_1T2R
)
2283 RT_TRACE(COMP_INIT
, "1T2R config\n");
2285 else if (priv
->rf_type
== RF_2T4R
)
2287 RT_TRACE(COMP_INIT
, "2T4R config\n");
2290 // 2008/01/16 MH We can only know RF type in the function. So we have to init
2291 // DIG RATR table again.
2292 init_rate_adaptive(priv
);
2294 //1 Make a copy for following variables and we can change them if we want
2296 if(priv
->RegChannelPlan
== 0xf)
2298 priv
->ChannelPlan
= priv
->eeprom_ChannelPlan
;
2302 priv
->ChannelPlan
= priv
->RegChannelPlan
;
2306 // Used PID and DID to Set CustomerID
2308 if( priv
->eeprom_vid
== 0x1186 && priv
->eeprom_did
== 0x3304 )
2310 priv
->CustomerID
= RT_CID_DLINK
;
2313 switch(priv
->eeprom_CustomerID
)
2315 case EEPROM_CID_DEFAULT
:
2316 priv
->CustomerID
= RT_CID_DEFAULT
;
2318 case EEPROM_CID_CAMEO
:
2319 priv
->CustomerID
= RT_CID_819x_CAMEO
;
2321 case EEPROM_CID_RUNTOP
:
2322 priv
->CustomerID
= RT_CID_819x_RUNTOP
;
2324 case EEPROM_CID_NetCore
:
2325 priv
->CustomerID
= RT_CID_819x_Netcore
;
2327 case EEPROM_CID_TOSHIBA
: // Merge by Jacken, 2008/01/31
2328 priv
->CustomerID
= RT_CID_TOSHIBA
;
2329 if(priv
->eeprom_ChannelPlan
&0x80)
2330 priv
->ChannelPlan
= priv
->eeprom_ChannelPlan
&0x7f;
2332 priv
->ChannelPlan
= 0x0;
2333 RT_TRACE(COMP_INIT
, "Toshiba ChannelPlan = 0x%x\n",
2336 case EEPROM_CID_Nettronix
:
2337 priv
->CustomerID
= RT_CID_Nettronix
;
2339 case EEPROM_CID_Pronet
:
2340 priv
->CustomerID
= RT_CID_PRONET
;
2342 case EEPROM_CID_DLINK
:
2343 priv
->CustomerID
= RT_CID_DLINK
;
2346 case EEPROM_CID_WHQL
:
2349 // value from RegCustomerID
2353 //Avoid the channel plan array overflow, by Bruce, 2007-08-27.
2354 if(priv
->ChannelPlan
> CHANNEL_PLAN_LEN
- 1)
2355 priv
->ChannelPlan
= 0; //FCC
2357 if( priv
->eeprom_vid
== 0x1186 && priv
->eeprom_did
== 0x3304)
2358 priv
->ieee80211
->bSupportRemoteWakeUp
= true;
2360 priv
->ieee80211
->bSupportRemoteWakeUp
= false;
2363 RT_TRACE(COMP_INIT
, "RegChannelPlan(%d)\n", priv
->RegChannelPlan
);
2364 RT_TRACE(COMP_INIT
, "ChannelPlan = %d\n", priv
->ChannelPlan
);
2365 RT_TRACE(COMP_TRACE
, "<==== ReadAdapterInfo\n");
2369 static short rtl8192_get_channel_map(struct r8192_priv
*priv
)
2371 #ifdef ENABLE_DOT11D
2372 if(priv
->ChannelPlan
> COUNTRY_CODE_GLOBAL_DOMAIN
){
2373 printk("rtl8180_init:Error channel plan! Set to default.\n");
2374 priv
->ChannelPlan
= 0;
2376 RT_TRACE(COMP_INIT
, "Channel plan is %d\n",priv
->ChannelPlan
);
2378 rtl819x_set_channel_map(priv
->ChannelPlan
, priv
);
2381 //Set Default Channel Plan
2383 DMESG("No channels, aborting");
2387 priv
->ChannelPlan
= 0;//hikaru
2388 // set channels 1..14 allowed in given locale
2389 for (i
=1; i
<=14; i
++) {
2390 (priv
->ieee80211
->channel_map
)[i
] = (u8
)(ch
& 0x01);
2397 static short rtl8192_init(struct r8192_priv
*priv
)
2399 struct net_device
*dev
= priv
->ieee80211
->dev
;
2401 memset(&(priv
->stats
),0,sizeof(struct Stats
));
2402 rtl8192_init_priv_variable(priv
);
2403 rtl8192_init_priv_lock(priv
);
2404 rtl8192_init_priv_task(priv
);
2405 rtl8192_get_eeprom_size(priv
);
2406 rtl8192_read_eeprom_info(priv
);
2407 rtl8192_get_channel_map(priv
);
2409 init_timer(&priv
->watch_dog_timer
);
2410 priv
->watch_dog_timer
.data
= (unsigned long)priv
;
2411 priv
->watch_dog_timer
.function
= watch_dog_timer_callback
;
2412 if (request_irq(dev
->irq
, rtl8192_interrupt
, IRQF_SHARED
, dev
->name
, priv
)) {
2413 printk("Error allocating IRQ %d",dev
->irq
);
2417 printk("IRQ %d",dev
->irq
);
2419 if (rtl8192_pci_initdescring(priv
) != 0){
2420 printk("Endopoints initialization failed");
2428 * Actually only set RRSR, RATR and BW_OPMODE registers
2429 * not to do all the hw config as its name says
2430 * This part need to modified according to the rate set we filtered
2432 static void rtl8192_hwconfig(struct r8192_priv
*priv
)
2434 u32 regRATR
= 0, regRRSR
= 0;
2435 u8 regBwOpMode
= 0, regTmp
= 0;
2437 // Set RRSR, RATR, and BW_OPMODE registers
2439 switch (priv
->ieee80211
->mode
)
2441 case WIRELESS_MODE_B
:
2442 regBwOpMode
= BW_OPMODE_20MHZ
;
2443 regRATR
= RATE_ALL_CCK
;
2444 regRRSR
= RATE_ALL_CCK
;
2446 case WIRELESS_MODE_A
:
2447 regBwOpMode
= BW_OPMODE_5G
|BW_OPMODE_20MHZ
;
2448 regRATR
= RATE_ALL_OFDM_AG
;
2449 regRRSR
= RATE_ALL_OFDM_AG
;
2451 case WIRELESS_MODE_G
:
2452 regBwOpMode
= BW_OPMODE_20MHZ
;
2453 regRATR
= RATE_ALL_CCK
| RATE_ALL_OFDM_AG
;
2454 regRRSR
= RATE_ALL_CCK
| RATE_ALL_OFDM_AG
;
2456 case WIRELESS_MODE_AUTO
:
2457 case WIRELESS_MODE_N_24G
:
2458 // It support CCK rate by default.
2459 // CCK rate will be filtered out only when associated AP does not support it.
2460 regBwOpMode
= BW_OPMODE_20MHZ
;
2461 regRATR
= RATE_ALL_CCK
| RATE_ALL_OFDM_AG
| RATE_ALL_OFDM_1SS
| RATE_ALL_OFDM_2SS
;
2462 regRRSR
= RATE_ALL_CCK
| RATE_ALL_OFDM_AG
;
2464 case WIRELESS_MODE_N_5G
:
2465 regBwOpMode
= BW_OPMODE_5G
;
2466 regRATR
= RATE_ALL_OFDM_AG
| RATE_ALL_OFDM_1SS
| RATE_ALL_OFDM_2SS
;
2467 regRRSR
= RATE_ALL_OFDM_AG
;
2471 write_nic_byte(priv
, BW_OPMODE
, regBwOpMode
);
2474 ratr_value
= regRATR
;
2475 if (priv
->rf_type
== RF_1T2R
)
2477 ratr_value
&= ~(RATE_ALL_OFDM_2SS
);
2479 write_nic_dword(priv
, RATR0
, ratr_value
);
2480 write_nic_byte(priv
, UFWP
, 1);
2482 regTmp
= read_nic_byte(priv
, 0x313);
2483 regRRSR
= ((regTmp
) << 24) | (regRRSR
& 0x00ffffff);
2484 write_nic_dword(priv
, RRSR
, regRRSR
);
2487 // Set Retry Limit here
2489 write_nic_word(priv
, RETRY_LIMIT
,
2490 priv
->ShortRetryLimit
<< RETRY_LIMIT_SHORT_SHIFT
|
2491 priv
->LongRetryLimit
<< RETRY_LIMIT_LONG_SHIFT
);
2492 // Set Contention Window here
2496 // Set Tx Antenna including Feedback control
2498 // Set Auto Rate fallback control
2504 static RT_STATUS
rtl8192_adapter_start(struct r8192_priv
*priv
)
2506 struct net_device
*dev
= priv
->ieee80211
->dev
;
2508 RT_STATUS rtStatus
= RT_STATUS_SUCCESS
;
2510 u8 ICVersion
,SwitchingRegulatorOutput
;
2511 bool bfirmwareok
= true;
2512 u32 tmpRegA
, tmpRegC
, TempCCk
;
2515 RT_TRACE(COMP_INIT
, "====>%s()\n", __FUNCTION__
);
2516 priv
->being_init_adapter
= true;
2517 rtl8192_pci_resetdescring(priv
);
2518 // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
2519 priv
->Rf_Mode
= RF_OP_By_SW_3wire
;
2522 if(priv
->ResetProgress
== RESET_TYPE_NORESET
)
2524 write_nic_byte(priv
, ANAPAR
, 0x37);
2525 // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
2526 // Joseph increae the time to prevent firmware download fail
2530 //PlatformSleepUs(10000);
2531 // For any kind of InitializeAdapter process, we shall use system now!!
2532 priv
->pFirmware
->firmware_status
= FW_STATUS_0_INIT
;
2535 //3 //Config CPUReset Register
2537 //3 Firmware Reset Or Not
2538 ulRegRead
= read_nic_dword(priv
, CPU_GEN
);
2539 if(priv
->pFirmware
->firmware_status
== FW_STATUS_0_INIT
)
2540 { //called from MPInitialized. do nothing
2541 ulRegRead
|= CPU_GEN_SYSTEM_RESET
;
2542 }else if(priv
->pFirmware
->firmware_status
== FW_STATUS_5_READY
)
2543 ulRegRead
|= CPU_GEN_FIRMWARE_RESET
; // Called from MPReset
2545 RT_TRACE(COMP_ERR
, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__
, priv
->pFirmware
->firmware_status
);
2547 write_nic_dword(priv
, CPU_GEN
, ulRegRead
);
2550 //3 //Fix the issue of E-cut high temperature issue
2553 ICVersion
= read_nic_byte(priv
, IC_VERRSION
);
2554 if(ICVersion
>= 0x4) //E-cut only
2556 // HW SD suggest that we should not wirte this register too often, so driver
2557 // should readback this register. This register will be modified only when
2559 SwitchingRegulatorOutput
= read_nic_byte(priv
, SWREGULATOR
);
2560 if(SwitchingRegulatorOutput
!= 0xb8)
2562 write_nic_byte(priv
, SWREGULATOR
, 0xa8);
2564 write_nic_byte(priv
, SWREGULATOR
, 0xb8);
2569 //3// Initialize BB before MAC
2571 RT_TRACE(COMP_INIT
, "BB Config Start!\n");
2572 rtStatus
= rtl8192_BBConfig(priv
);
2573 if(rtStatus
!= RT_STATUS_SUCCESS
)
2575 RT_TRACE(COMP_ERR
, "BB Config failed\n");
2578 RT_TRACE(COMP_INIT
,"BB Config Finished!\n");
2580 //3//Set Loopback mode or Normal mode
2582 //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
2583 // because setting of System_Reset bit reset MAC to default transmission mode.
2584 //Loopback mode or not
2585 priv
->LoopbackMode
= RTL819X_NO_LOOPBACK
;
2586 if(priv
->ResetProgress
== RESET_TYPE_NORESET
)
2588 ulRegRead
= read_nic_dword(priv
, CPU_GEN
);
2589 if(priv
->LoopbackMode
== RTL819X_NO_LOOPBACK
)
2591 ulRegRead
= ((ulRegRead
& CPU_GEN_NO_LOOPBACK_MSK
) | CPU_GEN_NO_LOOPBACK_SET
);
2593 else if (priv
->LoopbackMode
== RTL819X_MAC_LOOPBACK
)
2595 ulRegRead
|= CPU_CCK_LOOPBACK
;
2599 RT_TRACE(COMP_ERR
,"Serious error: wrong loopback mode setting\n");
2602 //2008.06.03, for WOL
2603 //ulRegRead &= (~(CPU_GEN_GPIO_UART));
2604 write_nic_dword(priv
, CPU_GEN
, ulRegRead
);
2606 // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
2609 //3Set Hardware(Do nothing now)
2610 rtl8192_hwconfig(priv
);
2611 //2=======================================================
2612 // Common Setting for all of the FPGA platform. (part 1)
2613 //2=======================================================
2614 // If there is changes, please make sure it applies to all of the FPGA version
2616 write_nic_byte(priv
, CMDR
, CR_RE
|CR_TE
);
2619 write_nic_byte(priv
, PCIF
, ((MXDMA2_NoLimit
<<MXDMA2_RX_SHIFT
) |
2620 (MXDMA2_NoLimit
<<MXDMA2_TX_SHIFT
) ));
2623 write_nic_dword(priv
, MAC0
, ((u32
*)dev
->dev_addr
)[0]);
2624 write_nic_word(priv
, MAC4
, ((u16
*)(dev
->dev_addr
+ 4))[0]);
2626 write_nic_dword(priv
, RCR
, priv
->ReceiveConfig
);
2628 //3 Initialize Number of Reserved Pages in Firmware Queue
2629 write_nic_dword(priv
, RQPN1
, NUM_OF_PAGE_IN_FW_QUEUE_BK
<< RSVD_FW_QUEUE_PAGE_BK_SHIFT
|
2630 NUM_OF_PAGE_IN_FW_QUEUE_BE
<< RSVD_FW_QUEUE_PAGE_BE_SHIFT
|
2631 NUM_OF_PAGE_IN_FW_QUEUE_VI
<< RSVD_FW_QUEUE_PAGE_VI_SHIFT
|
2632 NUM_OF_PAGE_IN_FW_QUEUE_VO
<<RSVD_FW_QUEUE_PAGE_VO_SHIFT
);
2633 write_nic_dword(priv
, RQPN2
, NUM_OF_PAGE_IN_FW_QUEUE_MGNT
<< RSVD_FW_QUEUE_PAGE_MGNT_SHIFT
);
2634 write_nic_dword(priv
, RQPN3
, APPLIED_RESERVED_QUEUE_IN_FW
|
2635 NUM_OF_PAGE_IN_FW_QUEUE_BCN
<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT
|
2636 NUM_OF_PAGE_IN_FW_QUEUE_PUB
<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT
);
2638 rtl8192_tx_enable(priv
);
2639 rtl8192_rx_enable(priv
);
2640 //3Set Response Rate Setting Register
2641 // CCK rate is supported by default.
2642 // CCK rate will be filtered out only when associated AP does not support it.
2643 ulRegRead
= (0xFFF00000 & read_nic_dword(priv
, RRSR
)) | RATE_ALL_OFDM_AG
| RATE_ALL_CCK
;
2644 write_nic_dword(priv
, RRSR
, ulRegRead
);
2645 write_nic_dword(priv
, RATR0
+4*7, (RATE_ALL_OFDM_AG
| RATE_ALL_CCK
));
2648 // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
2649 write_nic_byte(priv
, ACK_TIMEOUT
, 0x30);
2651 if(priv
->ResetProgress
== RESET_TYPE_NORESET
)
2652 rtl8192_SetWirelessMode(priv
->ieee80211
, priv
->ieee80211
->mode
);
2653 //-----------------------------------------------------------------------------
2654 // Set up security related. 070106, by rcnjko:
2655 // 1. Clear all H/W keys.
2656 // 2. Enable H/W encryption/decryption.
2657 //-----------------------------------------------------------------------------
2658 CamResetAllEntry(priv
);
2660 u8 SECR_value
= 0x0;
2661 SECR_value
|= SCR_TxEncEnable
;
2662 SECR_value
|= SCR_RxDecEnable
;
2663 SECR_value
|= SCR_NoSKMC
;
2664 write_nic_byte(priv
, SECR
, SECR_value
);
2667 write_nic_word(priv
, ATIMWND
, 2);
2668 write_nic_word(priv
, BCN_INTERVAL
, 100);
2669 for (i
=0; i
<QOS_QUEUE_NUM
; i
++)
2670 write_nic_dword(priv
, WDCAPARA_ADD
[i
], 0x005e4332);
2672 // Switching regulator controller: This is set temporarily.
2673 // It's not sure if this can be removed in the future.
2674 // PJ advised to leave it by default.
2676 write_nic_byte(priv
, 0xbe, 0xc0);
2678 //2=======================================================
2679 // Set PHY related configuration defined in MAC register bank
2680 //2=======================================================
2681 rtl8192_phy_configmac(priv
);
2683 if (priv
->card_8192_version
> (u8
) VERSION_8190_BD
) {
2684 rtl8192_phy_getTxPower(priv
);
2685 rtl8192_phy_setTxPower(priv
, priv
->chan
);
2689 tmpvalue
= read_nic_byte(priv
, IC_VERRSION
);
2690 priv
->IC_Cut
= tmpvalue
;
2691 RT_TRACE(COMP_INIT
, "priv->IC_Cut = 0x%x\n", priv
->IC_Cut
);
2692 if(priv
->IC_Cut
>= IC_VersionCut_D
)
2694 //pHalData->bDcut = TRUE;
2695 if(priv
->IC_Cut
== IC_VersionCut_D
)
2696 RT_TRACE(COMP_INIT
, "D-cut\n");
2697 if(priv
->IC_Cut
== IC_VersionCut_E
)
2699 RT_TRACE(COMP_INIT
, "E-cut\n");
2700 // HW SD suggest that we should not wirte this register too often, so driver
2701 // should readback this register. This register will be modified only when
2707 //pHalData->bDcut = FALSE;
2708 RT_TRACE(COMP_INIT
, "Before C-cut\n");
2712 RT_TRACE(COMP_INIT
, "Load Firmware!\n");
2713 bfirmwareok
= init_firmware(priv
);
2714 if(bfirmwareok
!= true) {
2715 rtStatus
= RT_STATUS_FAILURE
;
2718 RT_TRACE(COMP_INIT
, "Load Firmware finished!\n");
2721 if(priv
->ResetProgress
== RESET_TYPE_NORESET
)
2723 RT_TRACE(COMP_INIT
, "RF Config Started!\n");
2724 rtStatus
= rtl8192_phy_RFConfig(priv
);
2725 if(rtStatus
!= RT_STATUS_SUCCESS
)
2727 RT_TRACE(COMP_ERR
, "RF Config failed\n");
2730 RT_TRACE(COMP_INIT
, "RF Config Finished!\n");
2732 rtl8192_phy_updateInitGain(priv
);
2734 /*---- Set CCK and OFDM Block "ON"----*/
2735 rtl8192_setBBreg(priv
, rFPGA0_RFMOD
, bCCKEn
, 0x1);
2736 rtl8192_setBBreg(priv
, rFPGA0_RFMOD
, bOFDMEn
, 0x1);
2739 write_nic_byte(priv
, 0x87, 0x0);
2741 //2=======================================================
2743 //2=======================================================
2747 if(priv
->RfOffReason
> RF_CHANGE_BY_PS
)
2748 { // H/W or S/W RF OFF before sleep.
2749 RT_TRACE((COMP_INIT
|COMP_RF
|COMP_POWER
), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__
,priv
->RfOffReason
);
2750 MgntActSet_RF_State(priv
, eRfOff
, priv
->RfOffReason
);
2752 else if(priv
->RfOffReason
>= RF_CHANGE_BY_IPS
)
2753 { // H/W or S/W RF OFF before sleep.
2754 RT_TRACE((COMP_INIT
|COMP_RF
|COMP_POWER
), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__
, priv
->RfOffReason
);
2755 MgntActSet_RF_State(priv
, eRfOff
, priv
->RfOffReason
);
2759 RT_TRACE((COMP_INIT
|COMP_RF
|COMP_POWER
), "%s(): RF-ON \n",__FUNCTION__
);
2760 priv
->eRFPowerState
= eRfOn
;
2761 priv
->RfOffReason
= 0;
2765 // We can force firmware to do RF-R/W
2766 if(priv
->ieee80211
->FwRWRF
)
2767 priv
->Rf_Mode
= RF_OP_By_FW
;
2769 priv
->Rf_Mode
= RF_OP_By_SW_3wire
;
2771 if(priv
->ResetProgress
== RESET_TYPE_NORESET
)
2773 dm_initialize_txpower_tracking(priv
);
2775 if(priv
->IC_Cut
>= IC_VersionCut_D
)
2777 tmpRegA
= rtl8192_QueryBBReg(priv
, rOFDM0_XATxIQImbalance
, bMaskDWord
);
2778 tmpRegC
= rtl8192_QueryBBReg(priv
, rOFDM0_XCTxIQImbalance
, bMaskDWord
);
2779 for(i
= 0; i
<TxBBGainTableLength
; i
++)
2781 if(tmpRegA
== priv
->txbbgain_table
[i
].txbbgain_value
)
2783 priv
->rfa_txpowertrackingindex
= (u8
)i
;
2784 priv
->rfa_txpowertrackingindex_real
= (u8
)i
;
2785 priv
->rfa_txpowertracking_default
= priv
->rfa_txpowertrackingindex
;
2790 TempCCk
= rtl8192_QueryBBReg(priv
, rCCK0_TxFilter1
, bMaskByte2
);
2792 for(i
=0 ; i
<CCKTxBBGainTableLength
; i
++)
2794 if(TempCCk
== priv
->cck_txbbgain_table
[i
].ccktxbb_valuearray
[0])
2796 priv
->CCKPresentAttentuation_20Mdefault
=(u8
) i
;
2800 priv
->CCKPresentAttentuation_40Mdefault
= 0;
2801 priv
->CCKPresentAttentuation_difference
= 0;
2802 priv
->CCKPresentAttentuation
= priv
->CCKPresentAttentuation_20Mdefault
;
2803 RT_TRACE(COMP_POWER_TRACKING
, "priv->rfa_txpowertrackingindex_initial = %d\n", priv
->rfa_txpowertrackingindex
);
2804 RT_TRACE(COMP_POWER_TRACKING
, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv
->rfa_txpowertrackingindex_real
);
2805 RT_TRACE(COMP_POWER_TRACKING
, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv
->CCKPresentAttentuation_difference
);
2806 RT_TRACE(COMP_POWER_TRACKING
, "priv->CCKPresentAttentuation_initial = %d\n", priv
->CCKPresentAttentuation
);
2807 priv
->btxpower_tracking
= FALSE
;//TEMPLY DISABLE
2811 rtl8192_irq_enable(priv
);
2812 priv
->being_init_adapter
= false;
2817 static void rtl8192_prepare_beacon(unsigned long arg
)
2819 struct r8192_priv
*priv
= (struct r8192_priv
*) arg
;
2820 struct sk_buff
*skb
;
2823 skb
= ieee80211_get_beacon(priv
->ieee80211
);
2824 tcb_desc
= (cb_desc
*)(skb
->cb
+ 8);
2825 /* prepare misc info for the beacon xmit */
2826 tcb_desc
->queue_index
= BEACON_QUEUE
;
2827 /* IBSS does not support HT yet, use 1M defaultly */
2828 tcb_desc
->data_rate
= 2;
2829 tcb_desc
->RATRIndex
= 7;
2830 tcb_desc
->bTxDisableRateFallBack
= 1;
2831 tcb_desc
->bTxUseDriverAssingedRate
= 1;
2833 skb_push(skb
, priv
->ieee80211
->tx_headroom
);
2835 rtl8192_tx(priv
, skb
);
2841 * configure registers for beacon tx and enables it via
2842 * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
2843 * be used to stop beacon transmission
2845 static void rtl8192_start_beacon(struct ieee80211_device
*ieee80211
)
2847 struct r8192_priv
*priv
= ieee80211_priv(ieee80211
->dev
);
2848 struct ieee80211_network
*net
= &priv
->ieee80211
->current_network
;
2853 DMESG("Enabling beacon TX");
2854 rtl8192_irq_disable(priv
);
2855 //rtl8192_beacon_tx_enable(dev);
2858 write_nic_word(priv
, ATIMWND
, 2);
2860 /* Beacon interval (in unit of TU) */
2861 write_nic_word(priv
, BCN_INTERVAL
, net
->beacon_interval
);
2864 * DrvErlyInt (in unit of TU).
2865 * (Time to send interrupt to notify driver to c
2866 * hange beacon content)
2868 write_nic_word(priv
, BCN_DRV_EARLY_INT
, 10);
2871 * BcnDMATIM(in unit of us).
2872 * Indicates the time before TBTT to perform beacon queue DMA
2874 write_nic_word(priv
, BCN_DMATIME
, 256);
2877 * Force beacon frame transmission even after receiving
2878 * beacon frame from other ad hoc STA
2880 write_nic_byte(priv
, BCN_ERR_THRESH
, 100);
2882 /* Set CW and IFS */
2883 BcnTimeCfg
|= BcnCW
<<BCN_TCFG_CW_SHIFT
;
2884 BcnTimeCfg
|= BcnIFS
<<BCN_TCFG_IFS
;
2885 write_nic_word(priv
, BCN_TCFG
, BcnTimeCfg
);
2888 /* enable the interrupt for ad-hoc process */
2889 rtl8192_irq_enable(priv
);
2892 static bool HalRxCheckStuck8190Pci(struct r8192_priv
*priv
)
2894 u16 RegRxCounter
= read_nic_word(priv
, 0x130);
2895 bool bStuck
= FALSE
;
2897 RT_TRACE(COMP_RESET
,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__
,RegRxCounter
,priv
->RxCounter
);
2898 // If rssi is small, we should check rx for long time because of bad rx.
2899 // or maybe it will continuous silent reset every 2 seconds.
2901 if(priv
->undecorated_smoothed_pwdb
>= (RateAdaptiveTH_High
+5))
2903 priv
->rx_chk_cnt
= 0; /* high rssi, check rx stuck right now. */
2905 else if(priv
->undecorated_smoothed_pwdb
< (RateAdaptiveTH_High
+5) &&
2906 ((priv
->CurrentChannelBW
!=HT_CHANNEL_WIDTH_20
&&priv
->undecorated_smoothed_pwdb
>=RateAdaptiveTH_Low_40M
) ||
2907 (priv
->CurrentChannelBW
==HT_CHANNEL_WIDTH_20
&&priv
->undecorated_smoothed_pwdb
>=RateAdaptiveTH_Low_20M
)) )
2910 if(priv
->rx_chk_cnt
< 2)
2916 priv
->rx_chk_cnt
= 0;
2919 else if(((priv
->CurrentChannelBW
!=HT_CHANNEL_WIDTH_20
&&priv
->undecorated_smoothed_pwdb
<RateAdaptiveTH_Low_40M
) ||
2920 (priv
->CurrentChannelBW
==HT_CHANNEL_WIDTH_20
&&priv
->undecorated_smoothed_pwdb
<RateAdaptiveTH_Low_20M
)) &&
2921 priv
->undecorated_smoothed_pwdb
>= VeryLowRSSI
)
2923 if(priv
->rx_chk_cnt
< 4)
2929 priv
->rx_chk_cnt
= 0;
2934 if(priv
->rx_chk_cnt
< 8)
2940 priv
->rx_chk_cnt
= 0;
2943 if(priv
->RxCounter
==RegRxCounter
)
2946 priv
->RxCounter
= RegRxCounter
;
2951 static RESET_TYPE
RxCheckStuck(struct r8192_priv
*priv
)
2954 if(HalRxCheckStuck8190Pci(priv
))
2956 RT_TRACE(COMP_RESET
, "RxStuck Condition\n");
2957 return RESET_TYPE_SILENT
;
2960 return RESET_TYPE_NORESET
;
2963 static RESET_TYPE
rtl819x_check_reset(struct r8192_priv
*priv
)
2965 RESET_TYPE RxResetType
= RESET_TYPE_NORESET
;
2966 RT_RF_POWER_STATE rfState
;
2968 rfState
= priv
->eRFPowerState
;
2970 if (rfState
!= eRfOff
&& (priv
->ieee80211
->iw_mode
!= IW_MODE_ADHOC
)) {
2972 * If driver is in the status of firmware download failure,
2973 * driver skips RF initialization and RF is in turned off state.
2974 * Driver should check whether Rx stuck and do silent reset. And
2975 * if driver is in firmware download failure status, driver
2976 * should initialize RF in the following silent reset procedure
2978 * Driver should not check RX stuck in IBSS mode because it is
2979 * required to set Check BSSID in order to send beacon, however,
2980 * if check BSSID is set, STA cannot hear any packet a all.
2982 RxResetType
= RxCheckStuck(priv
);
2985 RT_TRACE(COMP_RESET
, "%s(): RxResetType is %d\n", __FUNCTION__
, RxResetType
);
2991 static void InactivePsWorkItemCallback(struct r8192_priv
*priv
)
2993 PRT_POWER_SAVE_CONTROL pPSC
= &priv
->PowerSaveControl
;
2995 RT_TRACE(COMP_POWER
, "InactivePsWorkItemCallback() --------->\n");
2997 // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
2998 // is really scheduled.
2999 // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
3000 // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
3001 // blocks the IPS procedure of switching RF.
3002 // By Bruce, 2007-12-25.
3004 pPSC
->bSwRfProcessing
= TRUE
;
3006 RT_TRACE(COMP_RF
, "InactivePsWorkItemCallback(): Set RF to %s.\n",
3007 pPSC
->eInactivePowerState
== eRfOff
?"OFF":"ON");
3010 MgntActSet_RF_State(priv
, pPSC
->eInactivePowerState
, RF_CHANGE_BY_IPS
);
3013 // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
3015 pPSC
->bSwRfProcessing
= FALSE
;
3016 RT_TRACE(COMP_POWER
, "InactivePsWorkItemCallback() <---------\n");
3020 /* Change current and default preamble mode. */
3021 bool MgntActSet_802_11_PowerSaveMode(struct r8192_priv
*priv
, u8 rtPsMode
)
3024 // Currently, we do not change power save mode on IBSS mode.
3025 if(priv
->ieee80211
->iw_mode
== IW_MODE_ADHOC
)
3031 // <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
3032 // some AP will not response to our mgnt frames with PwrMgt bit set,
3033 // e.g. cannot associate the AP.
3034 // So I commented out it. 2005.02.16, by rcnjko.
3036 // // Change device's power save mode.
3037 // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
3039 // Update power save mode configured.
3040 //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
3041 if(!priv
->ps_force
) {
3042 priv
->ieee80211
->ps
= rtPsMode
;
3045 // Awake immediately
3046 if(priv
->ieee80211
->sta_sleep
!= 0 && rtPsMode
== IEEE80211_PS_DISABLED
)
3048 // Notify the AP we awke.
3049 rtl8192_hw_wakeup(priv
->ieee80211
);
3050 priv
->ieee80211
->sta_sleep
= 0;
3052 spin_lock(&priv
->ieee80211
->mgmt_tx_lock
);
3053 printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
3054 ieee80211_sta_ps_send_null_frame(priv
->ieee80211
, 0);
3055 spin_unlock(&priv
->ieee80211
->mgmt_tx_lock
);
3061 /* Enter the leisure power save mode. */
3062 void LeisurePSEnter(struct ieee80211_device
*ieee80211
)
3064 struct r8192_priv
*priv
= ieee80211_priv(ieee80211
->dev
);
3065 PRT_POWER_SAVE_CONTROL pPSC
= &priv
->PowerSaveControl
;
3067 if(!((priv
->ieee80211
->iw_mode
== IW_MODE_INFRA
) &&
3068 (priv
->ieee80211
->state
== IEEE80211_LINKED
)) ||
3069 (priv
->ieee80211
->iw_mode
== IW_MODE_ADHOC
) ||
3070 (priv
->ieee80211
->iw_mode
== IW_MODE_MASTER
))
3073 if (pPSC
->bLeisurePs
)
3075 // Idle for a while if we connect to AP a while ago.
3076 if(pPSC
->LpsIdleCount
>= RT_CHECK_FOR_HANG_PERIOD
) // 4 Sec
3079 if(priv
->ieee80211
->ps
== IEEE80211_PS_DISABLED
)
3081 MgntActSet_802_11_PowerSaveMode(priv
, IEEE80211_PS_MBCAST
|IEEE80211_PS_UNICAST
);
3086 pPSC
->LpsIdleCount
++;
3091 /* Leave leisure power save mode. */
3092 void LeisurePSLeave(struct ieee80211_device
*ieee80211
)
3094 struct r8192_priv
*priv
= ieee80211_priv(ieee80211
->dev
);
3095 PRT_POWER_SAVE_CONTROL pPSC
= &priv
->PowerSaveControl
;
3097 if (pPSC
->bLeisurePs
)
3099 if(priv
->ieee80211
->ps
!= IEEE80211_PS_DISABLED
)
3101 // move to lps_wakecomplete()
3102 MgntActSet_802_11_PowerSaveMode(priv
, IEEE80211_PS_DISABLED
);
3110 /* Enter the inactive power save mode. RF will be off */
3111 void IPSEnter(struct r8192_priv
*priv
)
3113 PRT_POWER_SAVE_CONTROL pPSC
= &priv
->PowerSaveControl
;
3114 RT_RF_POWER_STATE rtState
;
3116 if (pPSC
->bInactivePs
)
3118 rtState
= priv
->eRFPowerState
;
3120 // Added by Bruce, 2007-12-25.
3121 // Do not enter IPS in the following conditions:
3122 // (1) RF is already OFF or Sleep
3123 // (2) bSwRfProcessing (indicates the IPS is still under going)
3124 // (3) Connectted (only disconnected can trigger IPS)
3125 // (4) IBSS (send Beacon)
3126 // (5) AP mode (send Beacon)
3128 if (rtState
== eRfOn
&& !pPSC
->bSwRfProcessing
3129 && (priv
->ieee80211
->state
!= IEEE80211_LINKED
) )
3131 RT_TRACE(COMP_RF
,"IPSEnter(): Turn off RF.\n");
3132 pPSC
->eInactivePowerState
= eRfOff
;
3133 // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
3134 InactivePsWorkItemCallback(priv
);
3141 // Leave the inactive power save mode, RF will be on.
3142 // 2007.08.17, by shien chang.
3144 void IPSLeave(struct r8192_priv
*priv
)
3146 PRT_POWER_SAVE_CONTROL pPSC
= &priv
->PowerSaveControl
;
3147 RT_RF_POWER_STATE rtState
;
3149 if (pPSC
->bInactivePs
)
3151 rtState
= priv
->eRFPowerState
;
3152 if (rtState
!= eRfOn
&& !pPSC
->bSwRfProcessing
&& priv
->RfOffReason
<= RF_CHANGE_BY_IPS
)
3154 RT_TRACE(COMP_POWER
, "IPSLeave(): Turn on RF.\n");
3155 pPSC
->eInactivePowerState
= eRfOn
;
3156 InactivePsWorkItemCallback(priv
);
3161 void IPSLeave_wq(struct work_struct
*work
)
3163 struct ieee80211_device
*ieee
= container_of(work
, struct ieee80211_device
, ips_leave_wq
);
3164 struct net_device
*dev
= ieee
->dev
;
3166 struct r8192_priv
*priv
= (struct r8192_priv
*)ieee80211_priv(dev
);
3167 down(&priv
->ieee80211
->ips_sem
);
3169 up(&priv
->ieee80211
->ips_sem
);
3172 void ieee80211_ips_leave_wq(struct ieee80211_device
*ieee80211
)
3174 struct r8192_priv
*priv
= ieee80211_priv(ieee80211
->dev
);
3175 RT_RF_POWER_STATE rtState
;
3176 rtState
= priv
->eRFPowerState
;
3178 if (priv
->PowerSaveControl
.bInactivePs
){
3179 if(rtState
== eRfOff
){
3180 if(priv
->RfOffReason
> RF_CHANGE_BY_IPS
)
3182 RT_TRACE(COMP_ERR
, "%s(): RF is OFF.\n",__FUNCTION__
);
3186 printk("=========>%s(): IPSLeave\n",__FUNCTION__
);
3187 queue_work(priv
->ieee80211
->wq
,&priv
->ieee80211
->ips_leave_wq
);
3192 //added by amy 090331 end
3193 void ieee80211_ips_leave(struct ieee80211_device
*ieee80211
)
3195 struct r8192_priv
*priv
= ieee80211_priv(ieee80211
->dev
);
3196 down(&ieee80211
->ips_sem
);
3198 up(&ieee80211
->ips_sem
);
3202 static void rtl819x_update_rxcounts(
3203 struct r8192_priv
*priv
,
3212 *TotalRxDataNum
= 0;
3214 SlotIndex
= (priv
->ieee80211
->LinkDetectInfo
.SlotIndex
++)%(priv
->ieee80211
->LinkDetectInfo
.SlotNum
);
3215 priv
->ieee80211
->LinkDetectInfo
.RxBcnNum
[SlotIndex
] = priv
->ieee80211
->LinkDetectInfo
.NumRecvBcnInPeriod
;
3216 priv
->ieee80211
->LinkDetectInfo
.RxDataNum
[SlotIndex
] = priv
->ieee80211
->LinkDetectInfo
.NumRecvDataInPeriod
;
3217 for( i
=0; i
<priv
->ieee80211
->LinkDetectInfo
.SlotNum
; i
++ ){
3218 *TotalRxBcnNum
+= priv
->ieee80211
->LinkDetectInfo
.RxBcnNum
[i
];
3219 *TotalRxDataNum
+= priv
->ieee80211
->LinkDetectInfo
.RxDataNum
[i
];
3224 static void rtl819x_watchdog_wqcallback(struct work_struct
*work
)
3226 struct delayed_work
*dwork
= container_of(work
,struct delayed_work
,work
);
3227 struct r8192_priv
*priv
= container_of(dwork
,struct r8192_priv
,watch_dog_wq
);
3228 struct ieee80211_device
* ieee
= priv
->ieee80211
;
3229 RESET_TYPE ResetType
= RESET_TYPE_NORESET
;
3230 bool bBusyTraffic
= false;
3231 bool bEnterPS
= false;
3233 if ((!priv
->up
) || priv
->bHwRadioOff
)
3238 hal_dm_watchdog(priv
);
3240 if(ieee
->actscanning
== false){
3241 if((ieee
->iw_mode
== IW_MODE_INFRA
) && (ieee
->state
== IEEE80211_NOLINK
) &&
3242 (priv
->eRFPowerState
== eRfOn
) && !ieee
->is_set_key
&&
3243 (!ieee
->proto_stoppping
) && !ieee
->wx_set_enc
){
3244 if (priv
->PowerSaveControl
.ReturnPoint
== IPS_CALLBACK_NONE
){
3250 {//to get busy traffic condition
3251 if(ieee
->state
== IEEE80211_LINKED
)
3253 if( ieee
->LinkDetectInfo
.NumRxOkInPeriod
> 100 ||
3254 ieee
->LinkDetectInfo
.NumTxOkInPeriod
> 100 ) {
3255 bBusyTraffic
= true;
3259 //added by amy for Leisure PS
3260 if( ((ieee
->LinkDetectInfo
.NumRxUnicastOkInPeriod
+ ieee
->LinkDetectInfo
.NumTxOkInPeriod
) > 8 ) ||
3261 (ieee
->LinkDetectInfo
.NumRxUnicastOkInPeriod
> 2) )
3270 // LeisurePS only work in infra mode.
3273 LeisurePSEnter(priv
->ieee80211
);
3277 LeisurePSLeave(priv
->ieee80211
);
3285 LeisurePSLeave(priv
->ieee80211
);
3289 ieee
->LinkDetectInfo
.NumRxOkInPeriod
= 0;
3290 ieee
->LinkDetectInfo
.NumTxOkInPeriod
= 0;
3291 ieee
->LinkDetectInfo
.NumRxUnicastOkInPeriod
= 0;
3292 ieee
->LinkDetectInfo
.bBusyTraffic
= bBusyTraffic
;
3296 //added by amy for AP roaming
3297 if(ieee
->state
== IEEE80211_LINKED
&& ieee
->iw_mode
== IW_MODE_INFRA
)
3299 u32 TotalRxBcnNum
= 0;
3300 u32 TotalRxDataNum
= 0;
3302 rtl819x_update_rxcounts(priv
, &TotalRxBcnNum
, &TotalRxDataNum
);
3303 if((TotalRxBcnNum
+TotalRxDataNum
) == 0)
3305 if (priv
->eRFPowerState
== eRfOff
)
3306 RT_TRACE(COMP_ERR
,"========>%s()\n",__FUNCTION__
);
3307 printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__
);
3308 // Dot11d_Reset(dev);
3309 ieee
->state
= IEEE80211_ASSOCIATING
;
3310 notify_wx_assoc_event(priv
->ieee80211
);
3311 RemovePeerTS(priv
->ieee80211
,priv
->ieee80211
->current_network
.bssid
);
3312 ieee
->is_roaming
= true;
3313 ieee
->is_set_key
= false;
3314 ieee
->link_change(ieee
);
3315 queue_work(ieee
->wq
, &ieee
->associate_procedure_wq
);
3318 ieee
->LinkDetectInfo
.NumRecvBcnInPeriod
=0;
3319 ieee
->LinkDetectInfo
.NumRecvDataInPeriod
=0;
3321 //check if reset the driver
3322 if (priv
->watchdog_check_reset_cnt
++ >= 3 && !ieee
->is_roaming
&&
3323 priv
->watchdog_last_time
!= 1)
3325 ResetType
= rtl819x_check_reset(priv
);
3326 priv
->watchdog_check_reset_cnt
= 3;
3328 if(!priv
->bDisableNormalResetCheck
&& ResetType
== RESET_TYPE_NORMAL
)
3330 priv
->ResetProgress
= RESET_TYPE_NORMAL
;
3331 RT_TRACE(COMP_RESET
,"%s(): NOMAL RESET\n",__FUNCTION__
);
3334 /* disable silent reset temply 2008.9.11*/
3336 if( ((priv
->force_reset
) || (!priv
->bDisableNormalResetCheck
&& ResetType
==RESET_TYPE_SILENT
))) // This is control by OID set in Pomelo
3338 priv
->watchdog_last_time
= 1;
3341 priv
->watchdog_last_time
= 0;
3343 priv
->force_reset
= false;
3344 priv
->bForcedSilentReset
= false;
3345 priv
->bResetInProgress
= false;
3346 RT_TRACE(COMP_TRACE
, " <==RtUsbCheckForHangWorkItemCallback()\n");
3350 void watch_dog_timer_callback(unsigned long data
)
3352 struct r8192_priv
*priv
= (struct r8192_priv
*) data
;
3353 queue_delayed_work(priv
->priv_wq
,&priv
->watch_dog_wq
,0);
3354 mod_timer(&priv
->watch_dog_timer
, jiffies
+ MSECS(IEEE80211_WATCH_DOG_TIME
));
3358 static int _rtl8192_up(struct r8192_priv
*priv
)
3360 RT_STATUS init_status
= RT_STATUS_SUCCESS
;
3361 struct net_device
*dev
= priv
->ieee80211
->dev
;
3364 priv
->ieee80211
->ieee_up
=1;
3365 priv
->bdisable_nic
= false; //YJ,add,091111
3366 RT_TRACE(COMP_INIT
, "Bringing up iface\n");
3368 init_status
= rtl8192_adapter_start(priv
);
3369 if(init_status
!= RT_STATUS_SUCCESS
)
3371 RT_TRACE(COMP_ERR
,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__
);
3374 RT_TRACE(COMP_INIT
, "start adapter finished\n");
3376 if (priv
->eRFPowerState
!= eRfOn
)
3377 MgntActSet_RF_State(priv
, eRfOn
, priv
->RfOffReason
);
3379 if(priv
->ieee80211
->state
!= IEEE80211_LINKED
)
3380 ieee80211_softmac_start_protocol(priv
->ieee80211
);
3381 ieee80211_reset_queue(priv
->ieee80211
);
3382 watch_dog_timer_callback((unsigned long) priv
);
3383 if(!netif_queue_stopped(dev
))
3384 netif_start_queue(dev
);
3386 netif_wake_queue(dev
);
3392 static int rtl8192_open(struct net_device
*dev
)
3394 struct r8192_priv
*priv
= ieee80211_priv(dev
);
3397 down(&priv
->wx_sem
);
3398 ret
= rtl8192_up(dev
);
3405 int rtl8192_up(struct net_device
*dev
)
3407 struct r8192_priv
*priv
= ieee80211_priv(dev
);
3409 if (priv
->up
== 1) return -1;
3411 return _rtl8192_up(priv
);
3415 static int rtl8192_close(struct net_device
*dev
)
3417 struct r8192_priv
*priv
= ieee80211_priv(dev
);
3420 down(&priv
->wx_sem
);
3422 ret
= rtl8192_down(dev
);
3430 int rtl8192_down(struct net_device
*dev
)
3432 struct r8192_priv
*priv
= ieee80211_priv(dev
);
3434 if (priv
->up
== 0) return -1;
3437 //LZM for PS-Poll AID issue. 090429
3438 if(priv
->ieee80211
->state
== IEEE80211_LINKED
)
3439 LeisurePSLeave(priv
->ieee80211
);
3443 priv
->ieee80211
->ieee_up
= 0;
3444 RT_TRACE(COMP_DOWN
, "==========>%s()\n", __FUNCTION__
);
3446 if (!netif_queue_stopped(dev
))
3447 netif_stop_queue(dev
);
3449 rtl8192_irq_disable(priv
);
3450 rtl8192_cancel_deferred_work(priv
);
3451 deinit_hal_dm(priv
);
3452 del_timer_sync(&priv
->watch_dog_timer
);
3454 ieee80211_softmac_stop_protocol(priv
->ieee80211
,true);
3456 rtl8192_halt_adapter(priv
, false);
3457 memset(&priv
->ieee80211
->current_network
, 0 , offsetof(struct ieee80211_network
, list
));
3459 RT_TRACE(COMP_DOWN
, "<==========%s()\n", __FUNCTION__
);
3465 void rtl8192_commit(struct r8192_priv
*priv
)
3467 if (priv
->up
== 0) return ;
3470 ieee80211_softmac_stop_protocol(priv
->ieee80211
,true);
3472 rtl8192_irq_disable(priv
);
3473 rtl8192_halt_adapter(priv
, true);
3477 static void rtl8192_restart(struct work_struct
*work
)
3479 struct r8192_priv
*priv
= container_of(work
, struct r8192_priv
, reset_wq
);
3481 down(&priv
->wx_sem
);
3483 rtl8192_commit(priv
);
3488 static void r8192_set_multicast(struct net_device
*dev
)
3490 struct r8192_priv
*priv
= ieee80211_priv(dev
);
3492 priv
->promisc
= (dev
->flags
& IFF_PROMISC
) ? 1 : 0;
3496 static int r8192_set_mac_adr(struct net_device
*dev
, void *mac
)
3498 struct r8192_priv
*priv
= ieee80211_priv(dev
);
3499 struct sockaddr
*addr
= mac
;
3501 down(&priv
->wx_sem
);
3503 memcpy(dev
->dev_addr
, addr
->sa_data
, ETH_ALEN
);
3505 schedule_work(&priv
->reset_wq
);
3511 static void r8192e_set_hw_key(struct r8192_priv
*priv
, struct ieee_param
*ipw
)
3513 struct ieee80211_device
*ieee
= priv
->ieee80211
;
3514 u8 broadcast_addr
[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
3517 if (ipw
->u
.crypt
.set_tx
) {
3518 if (strcmp(ipw
->u
.crypt
.alg
, "CCMP") == 0)
3519 ieee
->pairwise_key_type
= KEY_TYPE_CCMP
;
3520 else if (strcmp(ipw
->u
.crypt
.alg
, "TKIP") == 0)
3521 ieee
->pairwise_key_type
= KEY_TYPE_TKIP
;
3522 else if (strcmp(ipw
->u
.crypt
.alg
, "WEP") == 0) {
3523 if (ipw
->u
.crypt
.key_len
== 13)
3524 ieee
->pairwise_key_type
= KEY_TYPE_WEP104
;
3525 else if (ipw
->u
.crypt
.key_len
== 5)
3526 ieee
->pairwise_key_type
= KEY_TYPE_WEP40
;
3528 ieee
->pairwise_key_type
= KEY_TYPE_NA
;
3530 if (ieee
->pairwise_key_type
) {
3531 memcpy(key
, ipw
->u
.crypt
.key
, 16);
3532 EnableHWSecurityConfig8192(priv
);
3534 * We fill both index entry and 4th entry for pairwise
3535 * key as in IPW interface, adhoc will only get here,
3536 * so we need index entry for its default key serching!
3538 setKey(priv
, 4, ipw
->u
.crypt
.idx
,
3539 ieee
->pairwise_key_type
,
3540 (u8
*)ieee
->ap_mac_addr
, 0, key
);
3542 /* LEAP WEP will never set this. */
3543 if (ieee
->auth_mode
!= 2)
3544 setKey(priv
, ipw
->u
.crypt
.idx
, ipw
->u
.crypt
.idx
,
3545 ieee
->pairwise_key_type
,
3546 (u8
*)ieee
->ap_mac_addr
, 0, key
);
3548 if ((ieee
->pairwise_key_type
== KEY_TYPE_CCMP
) &&
3549 ieee
->pHTInfo
->bCurrentHTSupport
) {
3550 write_nic_byte(priv
, 0x173, 1); /* fix aes bug */
3553 memcpy(key
, ipw
->u
.crypt
.key
, 16);
3554 if (strcmp(ipw
->u
.crypt
.alg
, "CCMP") == 0)
3555 ieee
->group_key_type
= KEY_TYPE_CCMP
;
3556 else if (strcmp(ipw
->u
.crypt
.alg
, "TKIP") == 0)
3557 ieee
->group_key_type
= KEY_TYPE_TKIP
;
3558 else if (strcmp(ipw
->u
.crypt
.alg
, "WEP") == 0) {
3559 if (ipw
->u
.crypt
.key_len
== 13)
3560 ieee
->group_key_type
= KEY_TYPE_WEP104
;
3561 else if (ipw
->u
.crypt
.key_len
== 5)
3562 ieee
->group_key_type
= KEY_TYPE_WEP40
;
3564 ieee
->group_key_type
= KEY_TYPE_NA
;
3566 if (ieee
->group_key_type
) {
3567 setKey(priv
, ipw
->u
.crypt
.idx
, ipw
->u
.crypt
.idx
,
3568 ieee
->group_key_type
, broadcast_addr
, 0, key
);
3573 /* based on ipw2200 driver */
3574 static int rtl8192_ioctl(struct net_device
*dev
, struct ifreq
*rq
, int cmd
)
3576 struct r8192_priv
*priv
= (struct r8192_priv
*)ieee80211_priv(dev
);
3577 struct iwreq
*wrq
= (struct iwreq
*)rq
;
3579 struct iw_point
*p
= &wrq
->u
.data
;
3580 struct ieee_param
*ipw
= NULL
;//(struct ieee_param *)wrq->u.data.pointer;
3582 down(&priv
->wx_sem
);
3585 if (p
->length
< sizeof(struct ieee_param
) || !p
->pointer
){
3590 ipw
= kmalloc(p
->length
, GFP_KERNEL
);
3595 if (copy_from_user(ipw
, p
->pointer
, p
->length
)) {
3602 case RTL_IOCTL_WPA_SUPPLICANT
:
3603 /* parse here for HW security */
3604 if (ipw
->cmd
== IEEE_CMD_SET_ENCRYPTION
)
3605 r8192e_set_hw_key(priv
, ipw
);
3606 ret
= ieee80211_wpa_supplicant_ioctl(priv
->ieee80211
, &wrq
->u
.data
);
3621 static u8
HwRateToMRate90(bool bIsHT
, u8 rate
)
3627 case DESC90_RATE1M
: ret_rate
= MGN_1M
; break;
3628 case DESC90_RATE2M
: ret_rate
= MGN_2M
; break;
3629 case DESC90_RATE5_5M
: ret_rate
= MGN_5_5M
; break;
3630 case DESC90_RATE11M
: ret_rate
= MGN_11M
; break;
3631 case DESC90_RATE6M
: ret_rate
= MGN_6M
; break;
3632 case DESC90_RATE9M
: ret_rate
= MGN_9M
; break;
3633 case DESC90_RATE12M
: ret_rate
= MGN_12M
; break;
3634 case DESC90_RATE18M
: ret_rate
= MGN_18M
; break;
3635 case DESC90_RATE24M
: ret_rate
= MGN_24M
; break;
3636 case DESC90_RATE36M
: ret_rate
= MGN_36M
; break;
3637 case DESC90_RATE48M
: ret_rate
= MGN_48M
; break;
3638 case DESC90_RATE54M
: ret_rate
= MGN_54M
; break;
3641 RT_TRACE(COMP_RECV
, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate
, bIsHT
);
3647 case DESC90_RATEMCS0
: ret_rate
= MGN_MCS0
; break;
3648 case DESC90_RATEMCS1
: ret_rate
= MGN_MCS1
; break;
3649 case DESC90_RATEMCS2
: ret_rate
= MGN_MCS2
; break;
3650 case DESC90_RATEMCS3
: ret_rate
= MGN_MCS3
; break;
3651 case DESC90_RATEMCS4
: ret_rate
= MGN_MCS4
; break;
3652 case DESC90_RATEMCS5
: ret_rate
= MGN_MCS5
; break;
3653 case DESC90_RATEMCS6
: ret_rate
= MGN_MCS6
; break;
3654 case DESC90_RATEMCS7
: ret_rate
= MGN_MCS7
; break;
3655 case DESC90_RATEMCS8
: ret_rate
= MGN_MCS8
; break;
3656 case DESC90_RATEMCS9
: ret_rate
= MGN_MCS9
; break;
3657 case DESC90_RATEMCS10
: ret_rate
= MGN_MCS10
; break;
3658 case DESC90_RATEMCS11
: ret_rate
= MGN_MCS11
; break;
3659 case DESC90_RATEMCS12
: ret_rate
= MGN_MCS12
; break;
3660 case DESC90_RATEMCS13
: ret_rate
= MGN_MCS13
; break;
3661 case DESC90_RATEMCS14
: ret_rate
= MGN_MCS14
; break;
3662 case DESC90_RATEMCS15
: ret_rate
= MGN_MCS15
; break;
3663 case DESC90_RATEMCS32
: ret_rate
= (0x80|0x20); break;
3666 RT_TRACE(COMP_RECV
, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate
, bIsHT
);
3674 /* Record the TSF time stamp when receiving a packet */
3675 static void UpdateRxPktTimeStamp8190(struct r8192_priv
*priv
, struct ieee80211_rx_stats
*stats
)
3678 if(stats
->bIsAMPDU
&& !stats
->bFirstMPDU
) {
3679 stats
->mac_time
[0] = priv
->LastRxDescTSFLow
;
3680 stats
->mac_time
[1] = priv
->LastRxDescTSFHigh
;
3682 priv
->LastRxDescTSFLow
= stats
->mac_time
[0];
3683 priv
->LastRxDescTSFHigh
= stats
->mac_time
[1];
3687 static long rtl819x_translate_todbm(u8 signal_strength_index
)// 0-100 index.
3689 long signal_power
; // in dBm.
3691 // Translate to dBm (x=0.5y-95).
3692 signal_power
= (long)((signal_strength_index
+ 1) >> 1);
3695 return signal_power
;
3698 /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
3699 be a local static. Otherwise, it may increase when we return from S3/S4. The
3700 value will be kept in memory or disk. We must delcare the value in adapter
3701 and it will be reinitialized when return from S3/S4. */
3702 static void rtl8192_process_phyinfo(struct r8192_priv
* priv
, u8
* buffer
,struct ieee80211_rx_stats
* pprevious_stats
, struct ieee80211_rx_stats
* pcurrent_stats
)
3704 bool bcheck
= false;
3706 u32 nspatial_stream
, tmp_val
;
3707 static u32 slide_rssi_index
=0, slide_rssi_statistics
=0;
3708 static u32 slide_evm_index
=0, slide_evm_statistics
=0;
3709 static u32 last_rssi
=0, last_evm
=0;
3710 //cosa add for beacon rssi smoothing
3711 static u32 slide_beacon_adc_pwdb_index
=0, slide_beacon_adc_pwdb_statistics
=0;
3712 static u32 last_beacon_adc_pwdb
=0;
3714 struct ieee80211_hdr_3addr
*hdr
;
3716 unsigned int frag
,seq
;
3717 hdr
= (struct ieee80211_hdr_3addr
*)buffer
;
3718 sc
= le16_to_cpu(hdr
->seq_ctl
);
3719 frag
= WLAN_GET_SEQ_FRAG(sc
);
3720 seq
= WLAN_GET_SEQ_SEQ(sc
);
3723 // Check whether we should take the previous packet into accounting
3725 if(!pprevious_stats
->bIsAMPDU
)
3727 // if previous packet is not aggregated packet
3731 if(slide_rssi_statistics
++ >= PHY_RSSI_SLID_WIN_MAX
)
3733 slide_rssi_statistics
= PHY_RSSI_SLID_WIN_MAX
;
3734 last_rssi
= priv
->stats
.slide_signal_strength
[slide_rssi_index
];
3735 priv
->stats
.slide_rssi_total
-= last_rssi
;
3737 priv
->stats
.slide_rssi_total
+= pprevious_stats
->SignalStrength
;
3739 priv
->stats
.slide_signal_strength
[slide_rssi_index
++] = pprevious_stats
->SignalStrength
;
3740 if(slide_rssi_index
>= PHY_RSSI_SLID_WIN_MAX
)
3741 slide_rssi_index
= 0;
3743 // <1> Showed on UI for user, in dbm
3744 tmp_val
= priv
->stats
.slide_rssi_total
/slide_rssi_statistics
;
3745 priv
->stats
.signal_strength
= rtl819x_translate_todbm((u8
)tmp_val
);
3746 pcurrent_stats
->rssi
= priv
->stats
.signal_strength
;
3748 // If the previous packet does not match the criteria, neglect it
3750 if(!pprevious_stats
->bPacketMatchBSSID
)
3752 if(!pprevious_stats
->bToSelfBA
)
3759 // <2> Showed on UI for engineering
3760 // hardware does not provide rssi information for each rf path in CCK
3761 if(!pprevious_stats
->bIsCCK
&& pprevious_stats
->bPacketToSelf
)
3763 for (rfpath
= RF90_PATH_A
; rfpath
< RF90_PATH_C
; rfpath
++)
3765 if (!rtl8192_phy_CheckIsLegalRFPath(priv
, rfpath
))
3767 RT_TRACE(COMP_DBG
, "pPreviousstats->RxMIMOSignalStrength[rfpath] = %d\n", pprevious_stats
->RxMIMOSignalStrength
[rfpath
]);
3768 //Fixed by Jacken 2008-03-20
3769 if(priv
->stats
.rx_rssi_percentage
[rfpath
] == 0)
3771 priv
->stats
.rx_rssi_percentage
[rfpath
] = pprevious_stats
->RxMIMOSignalStrength
[rfpath
];
3773 if(pprevious_stats
->RxMIMOSignalStrength
[rfpath
] > priv
->stats
.rx_rssi_percentage
[rfpath
])
3775 priv
->stats
.rx_rssi_percentage
[rfpath
] =
3776 ( (priv
->stats
.rx_rssi_percentage
[rfpath
]*(Rx_Smooth_Factor
-1)) +
3777 (pprevious_stats
->RxMIMOSignalStrength
[rfpath
])) /(Rx_Smooth_Factor
);
3778 priv
->stats
.rx_rssi_percentage
[rfpath
] = priv
->stats
.rx_rssi_percentage
[rfpath
] + 1;
3782 priv
->stats
.rx_rssi_percentage
[rfpath
] =
3783 ( (priv
->stats
.rx_rssi_percentage
[rfpath
]*(Rx_Smooth_Factor
-1)) +
3784 (pprevious_stats
->RxMIMOSignalStrength
[rfpath
])) /(Rx_Smooth_Factor
);
3786 RT_TRACE(COMP_DBG
, "priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" , priv
->stats
.rx_rssi_percentage
[rfpath
]);
3794 //cosa add for beacon rssi smoothing by average.
3795 if(pprevious_stats
->bPacketBeacon
)
3797 /* record the beacon pwdb to the sliding window. */
3798 if(slide_beacon_adc_pwdb_statistics
++ >= PHY_Beacon_RSSI_SLID_WIN_MAX
)
3800 slide_beacon_adc_pwdb_statistics
= PHY_Beacon_RSSI_SLID_WIN_MAX
;
3801 last_beacon_adc_pwdb
= priv
->stats
.Slide_Beacon_pwdb
[slide_beacon_adc_pwdb_index
];
3802 priv
->stats
.Slide_Beacon_Total
-= last_beacon_adc_pwdb
;
3803 // slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
3805 priv
->stats
.Slide_Beacon_Total
+= pprevious_stats
->RxPWDBAll
;
3806 priv
->stats
.Slide_Beacon_pwdb
[slide_beacon_adc_pwdb_index
] = pprevious_stats
->RxPWDBAll
;
3807 slide_beacon_adc_pwdb_index
++;
3808 if(slide_beacon_adc_pwdb_index
>= PHY_Beacon_RSSI_SLID_WIN_MAX
)
3809 slide_beacon_adc_pwdb_index
= 0;
3810 pprevious_stats
->RxPWDBAll
= priv
->stats
.Slide_Beacon_Total
/slide_beacon_adc_pwdb_statistics
;
3811 if(pprevious_stats
->RxPWDBAll
>= 3)
3812 pprevious_stats
->RxPWDBAll
-= 3;
3815 RT_TRACE(COMP_RXDESC
, "Smooth %s PWDB = %d\n",
3816 pprevious_stats
->bIsCCK
? "CCK": "OFDM",
3817 pprevious_stats
->RxPWDBAll
);
3819 if(pprevious_stats
->bPacketToSelf
|| pprevious_stats
->bPacketBeacon
|| pprevious_stats
->bToSelfBA
)
3821 if(priv
->undecorated_smoothed_pwdb
< 0) // initialize
3823 priv
->undecorated_smoothed_pwdb
= pprevious_stats
->RxPWDBAll
;
3826 if(pprevious_stats
->RxPWDBAll
> (u32
)priv
->undecorated_smoothed_pwdb
)
3828 priv
->undecorated_smoothed_pwdb
=
3829 ( ((priv
->undecorated_smoothed_pwdb
)*(Rx_Smooth_Factor
-1)) +
3830 (pprevious_stats
->RxPWDBAll
)) /(Rx_Smooth_Factor
);
3831 priv
->undecorated_smoothed_pwdb
= priv
->undecorated_smoothed_pwdb
+ 1;
3835 priv
->undecorated_smoothed_pwdb
=
3836 ( ((priv
->undecorated_smoothed_pwdb
)*(Rx_Smooth_Factor
-1)) +
3837 (pprevious_stats
->RxPWDBAll
)) /(Rx_Smooth_Factor
);
3844 /* record the general EVM to the sliding window. */
3845 if(pprevious_stats
->SignalQuality
== 0)
3850 if(pprevious_stats
->bPacketToSelf
|| pprevious_stats
->bPacketBeacon
|| pprevious_stats
->bToSelfBA
){
3851 if(slide_evm_statistics
++ >= PHY_RSSI_SLID_WIN_MAX
){
3852 slide_evm_statistics
= PHY_RSSI_SLID_WIN_MAX
;
3853 last_evm
= priv
->stats
.slide_evm
[slide_evm_index
];
3854 priv
->stats
.slide_evm_total
-= last_evm
;
3857 priv
->stats
.slide_evm_total
+= pprevious_stats
->SignalQuality
;
3859 priv
->stats
.slide_evm
[slide_evm_index
++] = pprevious_stats
->SignalQuality
;
3860 if(slide_evm_index
>= PHY_RSSI_SLID_WIN_MAX
)
3861 slide_evm_index
= 0;
3863 // <1> Showed on UI for user, in percentage.
3864 tmp_val
= priv
->stats
.slide_evm_total
/slide_evm_statistics
;
3865 //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
3868 // <2> Showed on UI for engineering
3869 if(pprevious_stats
->bPacketToSelf
|| pprevious_stats
->bPacketBeacon
|| pprevious_stats
->bToSelfBA
)
3871 for(nspatial_stream
= 0; nspatial_stream
<2 ; nspatial_stream
++) // 2 spatial stream
3873 if(pprevious_stats
->RxMIMOSignalQuality
[nspatial_stream
] != -1)
3875 if(priv
->stats
.rx_evm_percentage
[nspatial_stream
] == 0) // initialize
3877 priv
->stats
.rx_evm_percentage
[nspatial_stream
] = pprevious_stats
->RxMIMOSignalQuality
[nspatial_stream
];
3879 priv
->stats
.rx_evm_percentage
[nspatial_stream
] =
3880 ( (priv
->stats
.rx_evm_percentage
[nspatial_stream
]* (Rx_Smooth_Factor
-1)) +
3881 (pprevious_stats
->RxMIMOSignalQuality
[nspatial_stream
]* 1)) / (Rx_Smooth_Factor
);
3889 static u8
rtl819x_query_rxpwrpercentage(
3893 if ((antpower
<= -100) || (antpower
>= 20))
3897 else if (antpower
>= 0)
3903 return (100+antpower
);
3909 rtl819x_evm_dbtopercentage(
3921 ret_val
= 0 - ret_val
;
3928 /* We want good-looking for signal strength/quality */
3929 static long rtl819x_signal_scale_mapping(long currsig
)
3933 // Step 1. Scale mapping.
3934 if(currsig
>= 61 && currsig
<= 100)
3936 retsig
= 90 + ((currsig
- 60) / 4);
3938 else if(currsig
>= 41 && currsig
<= 60)
3940 retsig
= 78 + ((currsig
- 40) / 2);
3942 else if(currsig
>= 31 && currsig
<= 40)
3944 retsig
= 66 + (currsig
- 30);
3946 else if(currsig
>= 21 && currsig
<= 30)
3948 retsig
= 54 + (currsig
- 20);
3950 else if(currsig
>= 5 && currsig
<= 20)
3952 retsig
= 42 + (((currsig
- 5) * 2) / 3);
3954 else if(currsig
== 4)
3958 else if(currsig
== 3)
3962 else if(currsig
== 2)
3966 else if(currsig
== 1)
3978 static void rtl8192_query_rxphystatus(
3979 struct r8192_priv
* priv
,
3980 struct ieee80211_rx_stats
* pstats
,
3981 prx_desc_819x_pci pdesc
,
3982 prx_fwinfo_819x_pci pdrvinfo
,
3983 struct ieee80211_rx_stats
* precord_stats
,
3984 bool bpacket_match_bssid
,
3985 bool bpacket_toself
,
3990 //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status);
3991 phy_sts_ofdm_819xpci_t
* pofdm_buf
;
3992 phy_sts_cck_819xpci_t
* pcck_buf
;
3993 phy_ofdm_rx_status_rxsc_sgien_exintfflag
* prxsc
;
3995 u8 i
,max_spatial_stream
, tmp_rxsnr
, tmp_rxevm
, rxsc_sgien_exflg
;
3996 char rx_pwr
[4], rx_pwr_all
=0;
3997 //long rx_avg_pwr = 0;
3998 char rx_snrX
, rx_evmX
;
4000 u32 RSSI
, total_rssi
=0;//, total_evm=0;
4001 // long signal_strength_index = 0;
4005 is_cck_rate
= rx_hal_is_cck_rate(pdrvinfo
);
4007 // Record it for next packet processing
4008 memset(precord_stats
, 0, sizeof(struct ieee80211_rx_stats
));
4009 pstats
->bPacketMatchBSSID
= precord_stats
->bPacketMatchBSSID
= bpacket_match_bssid
;
4010 pstats
->bPacketToSelf
= precord_stats
->bPacketToSelf
= bpacket_toself
;
4011 pstats
->bIsCCK
= precord_stats
->bIsCCK
= is_cck_rate
;//RX_HAL_IS_CCK_RATE(pDrvInfo);
4012 pstats
->bPacketBeacon
= precord_stats
->bPacketBeacon
= bPacketBeacon
;
4013 pstats
->bToSelfBA
= precord_stats
->bToSelfBA
= bToSelfBA
;
4014 /*2007.08.30 requested by SD3 Jerry */
4015 if (priv
->phy_check_reg824
== 0)
4017 priv
->phy_reg824_bit9
= rtl8192_QueryBBReg(priv
, rFPGA0_XA_HSSIParameter2
, 0x200);
4018 priv
->phy_check_reg824
= 1;
4022 prxpkt
= (u8
*)pdrvinfo
;
4024 /* Move pointer to the 16th bytes. Phy status start address. */
4025 prxpkt
+= sizeof(rx_fwinfo_819x_pci
);
4027 /* Initial the cck and ofdm buffer pointer */
4028 pcck_buf
= (phy_sts_cck_819xpci_t
*)prxpkt
;
4029 pofdm_buf
= (phy_sts_ofdm_819xpci_t
*)prxpkt
;
4031 pstats
->RxMIMOSignalQuality
[0] = -1;
4032 pstats
->RxMIMOSignalQuality
[1] = -1;
4033 precord_stats
->RxMIMOSignalQuality
[0] = -1;
4034 precord_stats
->RxMIMOSignalQuality
[1] = -1;
4039 // (1)Hardware does not provide RSSI for CCK
4043 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4045 u8 report
;//, cck_agc_rpt;
4047 if (!priv
->phy_reg824_bit9
)
4049 report
= pcck_buf
->cck_agc_rpt
& 0xc0;
4053 //Fixed by Jacken from Bryant 2008-03-20
4054 //Original value is -38 , -26 , -14 , -2
4055 //Fixed value is -35 , -23 , -11 , 6
4057 rx_pwr_all
= -35 - (pcck_buf
->cck_agc_rpt
& 0x3e);
4060 rx_pwr_all
= -23 - (pcck_buf
->cck_agc_rpt
& 0x3e);
4063 rx_pwr_all
= -11 - (pcck_buf
->cck_agc_rpt
& 0x3e);
4066 rx_pwr_all
= 8 - (pcck_buf
->cck_agc_rpt
& 0x3e);
4072 report
= pcck_buf
->cck_agc_rpt
& 0x60;
4077 rx_pwr_all
= -35 - ((pcck_buf
->cck_agc_rpt
& 0x1f)<<1) ;
4080 rx_pwr_all
= -23 - ((pcck_buf
->cck_agc_rpt
& 0x1f)<<1);
4083 rx_pwr_all
= -11 - ((pcck_buf
->cck_agc_rpt
& 0x1f)<<1) ;
4086 rx_pwr_all
= -8 - ((pcck_buf
->cck_agc_rpt
& 0x1f)<<1) ;
4091 pwdb_all
= rtl819x_query_rxpwrpercentage(rx_pwr_all
);
4092 pstats
->RxPWDBAll
= precord_stats
->RxPWDBAll
= pwdb_all
;
4093 pstats
->RecvSignalPower
= rx_pwr_all
;
4096 // (3) Get Signal Quality (EVM)
4098 if(bpacket_match_bssid
)
4102 if(pstats
->RxPWDBAll
> 40)
4107 sq
= pcck_buf
->sq_rpt
;
4109 if(pcck_buf
->sq_rpt
> 64)
4111 else if (pcck_buf
->sq_rpt
< 20)
4114 sq
= ((64-sq
) * 100) / 44;
4116 pstats
->SignalQuality
= precord_stats
->SignalQuality
= sq
;
4117 pstats
->RxMIMOSignalQuality
[0] = precord_stats
->RxMIMOSignalQuality
[0] = sq
;
4118 pstats
->RxMIMOSignalQuality
[1] = precord_stats
->RxMIMOSignalQuality
[1] = -1;
4124 // (1)Get RSSI for HT rate
4126 for(i
=RF90_PATH_A
; i
<RF90_PATH_MAX
; i
++)
4128 // 2008/01/30 MH we will judge RF RX path now.
4129 if (priv
->brfpath_rxenable
[i
])
4134 //Fixed by Jacken from Bryant 2008-03-20
4135 //Original value is 106
4136 rx_pwr
[i
] = ((pofdm_buf
->trsw_gain_X
[i
]&0x3F)*2) - 110;
4138 //Get Rx snr value in DB
4139 tmp_rxsnr
= pofdm_buf
->rxsnr_X
[i
];
4140 rx_snrX
= (char)(tmp_rxsnr
);
4143 /* Translate DBM to percentage. */
4144 RSSI
= rtl819x_query_rxpwrpercentage(rx_pwr
[i
]);
4145 if (priv
->brfpath_rxenable
[i
])
4148 /* Record Signal Strength for next packet */
4149 if(bpacket_match_bssid
)
4151 pstats
->RxMIMOSignalStrength
[i
] =(u8
) RSSI
;
4152 precord_stats
->RxMIMOSignalStrength
[i
] =(u8
) RSSI
;
4158 // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
4160 //Fixed by Jacken from Bryant 2008-03-20
4161 //Original value is 106
4162 rx_pwr_all
= (((pofdm_buf
->pwdb_all
) >> 1 )& 0x7f) -106;
4163 pwdb_all
= rtl819x_query_rxpwrpercentage(rx_pwr_all
);
4165 pstats
->RxPWDBAll
= precord_stats
->RxPWDBAll
= pwdb_all
;
4166 pstats
->RxPower
= precord_stats
->RxPower
= rx_pwr_all
;
4167 pstats
->RecvSignalPower
= rx_pwr_all
;
4169 // (3)EVM of HT rate
4171 if(pdrvinfo
->RxHT
&& pdrvinfo
->RxRate
>=DESC90_RATEMCS8
&&
4172 pdrvinfo
->RxRate
<=DESC90_RATEMCS15
)
4173 max_spatial_stream
= 2; //both spatial stream make sense
4175 max_spatial_stream
= 1; //only spatial stream 1 makes sense
4177 for(i
=0; i
<max_spatial_stream
; i
++)
4179 tmp_rxevm
= pofdm_buf
->rxevm_X
[i
];
4180 rx_evmX
= (char)(tmp_rxevm
);
4182 // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
4183 // fill most significant bit to "zero" when doing shifting operation which may change a negative
4184 // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
4187 evm
= rtl819x_evm_dbtopercentage(rx_evmX
);
4188 if(bpacket_match_bssid
)
4190 if(i
==0) // Fill value in RFD, Get the first spatial stream only
4191 pstats
->SignalQuality
= precord_stats
->SignalQuality
= (u8
)(evm
& 0xff);
4192 pstats
->RxMIMOSignalQuality
[i
] = precord_stats
->RxMIMOSignalQuality
[i
] = (u8
)(evm
& 0xff);
4197 /* record rx statistics for debug */
4198 rxsc_sgien_exflg
= pofdm_buf
->rxsc_sgien_exflg
;
4199 prxsc
= (phy_ofdm_rx_status_rxsc_sgien_exintfflag
*)&rxsc_sgien_exflg
;
4202 //UI BSS List signal strength(in percentage), make it good looking, from 0~100.
4203 //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
4206 pstats
->SignalStrength
= precord_stats
->SignalStrength
= (u8
)(rtl819x_signal_scale_mapping((long)pwdb_all
));//PWDB_ALL;
4211 //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
4212 // We can judge RX path number now.
4214 pstats
->SignalStrength
= precord_stats
->SignalStrength
= (u8
)(rtl819x_signal_scale_mapping((long)(total_rssi
/=rf_rx_num
)));
4219 rtl8192_record_rxdesc_forlateruse(
4220 struct ieee80211_rx_stats
* psrc_stats
,
4221 struct ieee80211_rx_stats
* ptarget_stats
4224 ptarget_stats
->bIsAMPDU
= psrc_stats
->bIsAMPDU
;
4225 ptarget_stats
->bFirstMPDU
= psrc_stats
->bFirstMPDU
;
4230 static void TranslateRxSignalStuff819xpci(struct r8192_priv
*priv
,
4231 struct sk_buff
*skb
,
4232 struct ieee80211_rx_stats
* pstats
,
4233 prx_desc_819x_pci pdesc
,
4234 prx_fwinfo_819x_pci pdrvinfo
)
4236 // TODO: We must only check packet for current MAC address. Not finish
4237 bool bpacket_match_bssid
, bpacket_toself
;
4238 bool bPacketBeacon
=false, bToSelfBA
=false;
4239 struct ieee80211_hdr_3addr
*hdr
;
4242 // Get Signal Quality for only RX data queue (but not command queue)
4247 /* Get MAC frame start address. */
4248 tmp_buf
= skb
->data
;
4250 hdr
= (struct ieee80211_hdr_3addr
*)tmp_buf
;
4251 fc
= le16_to_cpu(hdr
->frame_ctl
);
4252 type
= WLAN_FC_GET_TYPE(fc
);
4253 praddr
= hdr
->addr1
;
4255 /* Check if the received packet is acceptabe. */
4256 bpacket_match_bssid
= ((IEEE80211_FTYPE_CTL
!= type
) &&
4257 (!compare_ether_addr(priv
->ieee80211
->current_network
.bssid
, (fc
& IEEE80211_FCTL_TODS
)? hdr
->addr1
: (fc
& IEEE80211_FCTL_FROMDS
)? hdr
->addr2
: hdr
->addr3
))
4258 && (!pstats
->bHwError
) && (!pstats
->bCRC
)&& (!pstats
->bICV
));
4259 bpacket_toself
= bpacket_match_bssid
& (!compare_ether_addr(praddr
, priv
->ieee80211
->dev
->dev_addr
));
4261 if(WLAN_FC_GET_FRAMETYPE(fc
)== IEEE80211_STYPE_BEACON
)
4263 bPacketBeacon
= true;
4265 if(WLAN_FC_GET_FRAMETYPE(fc
) == IEEE80211_STYPE_BLOCKACK
)
4267 if (!compare_ether_addr(praddr
, priv
->ieee80211
->dev
->dev_addr
))
4272 // Process PHY information for previous packet (RSSI/PWDB/EVM)
4274 // Because phy information is contained in the last packet of AMPDU only, so driver
4275 // should process phy information of previous packet
4276 rtl8192_process_phyinfo(priv
, tmp_buf
, &priv
->previous_stats
, pstats
);
4277 rtl8192_query_rxphystatus(priv
, pstats
, pdesc
, pdrvinfo
, &priv
->previous_stats
, bpacket_match_bssid
,
4278 bpacket_toself
,bPacketBeacon
, bToSelfBA
);
4279 rtl8192_record_rxdesc_forlateruse(pstats
, &priv
->previous_stats
);
4284 static void rtl8192_tx_resume(struct r8192_priv
*priv
)
4286 struct ieee80211_device
*ieee
= priv
->ieee80211
;
4287 struct sk_buff
*skb
;
4290 for (i
= BK_QUEUE
; i
< TXCMD_QUEUE
; i
++) {
4291 while ((!skb_queue_empty(&ieee
->skb_waitQ
[i
])) &&
4292 (priv
->ieee80211
->check_nic_enough_desc(ieee
, i
) > 0)) {
4293 /* 1. dequeue the packet from the wait queue */
4294 skb
= skb_dequeue(&ieee
->skb_waitQ
[i
]);
4295 /* 2. tx the packet directly */
4296 ieee
->softmac_data_hard_start_xmit(skb
, ieee
, 0);
4301 static void rtl8192_irq_tx_tasklet(unsigned long arg
)
4303 struct r8192_priv
*priv
= (struct r8192_priv
*) arg
;
4304 struct rtl8192_tx_ring
*mgnt_ring
= &priv
->tx_ring
[MGNT_QUEUE
];
4305 unsigned long flags
;
4307 /* check if we need to report that the management queue is drained */
4308 spin_lock_irqsave(&priv
->irq_th_lock
, flags
);
4310 if (!skb_queue_len(&mgnt_ring
->queue
) &&
4311 priv
->ieee80211
->ack_tx_to_ieee
&&
4312 rtl8192_is_tx_queue_empty(priv
->ieee80211
)) {
4313 priv
->ieee80211
->ack_tx_to_ieee
= 0;
4314 ieee80211_ps_tx_ack(priv
->ieee80211
, 1);
4317 spin_unlock_irqrestore(&priv
->irq_th_lock
, flags
);
4319 rtl8192_tx_resume(priv
);
4322 /* Record the received data rate */
4323 static void UpdateReceivedRateHistogramStatistics8190(
4324 struct r8192_priv
*priv
,
4325 struct ieee80211_rx_stats
* pstats
4328 u32 rcvType
=1; //0: Total, 1:OK, 2:CRC, 3:ICV
4330 u32 preamble_guardinterval
; //1: short preamble/GI, 0: long preamble/GI
4334 else if(pstats
->bICV
)
4337 if(pstats
->bShortPreamble
)
4338 preamble_guardinterval
= 1;// short
4340 preamble_guardinterval
= 0;// long
4342 switch(pstats
->rate
)
4347 case MGN_1M
: rateIndex
= 0; break;
4348 case MGN_2M
: rateIndex
= 1; break;
4349 case MGN_5_5M
: rateIndex
= 2; break;
4350 case MGN_11M
: rateIndex
= 3; break;
4354 case MGN_6M
: rateIndex
= 4; break;
4355 case MGN_9M
: rateIndex
= 5; break;
4356 case MGN_12M
: rateIndex
= 6; break;
4357 case MGN_18M
: rateIndex
= 7; break;
4358 case MGN_24M
: rateIndex
= 8; break;
4359 case MGN_36M
: rateIndex
= 9; break;
4360 case MGN_48M
: rateIndex
= 10; break;
4361 case MGN_54M
: rateIndex
= 11; break;
4363 // 11n High throughput rate
4365 case MGN_MCS0
: rateIndex
= 12; break;
4366 case MGN_MCS1
: rateIndex
= 13; break;
4367 case MGN_MCS2
: rateIndex
= 14; break;
4368 case MGN_MCS3
: rateIndex
= 15; break;
4369 case MGN_MCS4
: rateIndex
= 16; break;
4370 case MGN_MCS5
: rateIndex
= 17; break;
4371 case MGN_MCS6
: rateIndex
= 18; break;
4372 case MGN_MCS7
: rateIndex
= 19; break;
4373 case MGN_MCS8
: rateIndex
= 20; break;
4374 case MGN_MCS9
: rateIndex
= 21; break;
4375 case MGN_MCS10
: rateIndex
= 22; break;
4376 case MGN_MCS11
: rateIndex
= 23; break;
4377 case MGN_MCS12
: rateIndex
= 24; break;
4378 case MGN_MCS13
: rateIndex
= 25; break;
4379 case MGN_MCS14
: rateIndex
= 26; break;
4380 case MGN_MCS15
: rateIndex
= 27; break;
4381 default: rateIndex
= 28; break;
4383 priv
->stats
.received_rate_histogram
[0][rateIndex
]++; //total
4384 priv
->stats
.received_rate_histogram
[rcvType
][rateIndex
]++;
4387 static void rtl8192_rx(struct r8192_priv
*priv
)
4389 struct ieee80211_hdr_1addr
*ieee80211_hdr
= NULL
;
4390 bool unicast_packet
= false;
4391 struct ieee80211_rx_stats stats
= {
4395 .freq
= IEEE80211_24GHZ_BAND
,
4397 unsigned int count
= priv
->rxringcount
;
4398 prx_fwinfo_819x_pci pDrvInfo
= NULL
;
4399 struct sk_buff
*new_skb
;
4402 rx_desc_819x_pci
*pdesc
= &priv
->rx_ring
[priv
->rx_idx
];//rx descriptor
4403 struct sk_buff
*skb
= priv
->rx_buf
[priv
->rx_idx
];//rx pkt
4406 /* wait data to be filled by hardware */
4409 stats
.bICV
= pdesc
->ICV
;
4410 stats
.bCRC
= pdesc
->CRC32
;
4411 stats
.bHwError
= pdesc
->CRC32
| pdesc
->ICV
;
4413 stats
.Length
= pdesc
->Length
;
4414 if(stats
.Length
< 24)
4415 stats
.bHwError
|= 1;
4417 if(stats
.bHwError
) {
4418 stats
.bShift
= false;
4422 new_skb
= dev_alloc_skb(priv
->rxbuffersize
);
4424 if (unlikely(!new_skb
))
4427 stats
.RxDrvInfoSize
= pdesc
->RxDrvInfoSize
;
4428 stats
.RxBufShift
= ((pdesc
->Shift
)&0x03);
4429 stats
.Decrypted
= !pdesc
->SWDec
;
4431 pci_dma_sync_single_for_cpu(priv
->pdev
,
4432 *((dma_addr_t
*)skb
->cb
),
4434 PCI_DMA_FROMDEVICE
);
4435 skb_put(skb
, pdesc
->Length
);
4436 pDrvInfo
= (rx_fwinfo_819x_pci
*)(skb
->data
+ stats
.RxBufShift
);
4437 skb_reserve(skb
, stats
.RxDrvInfoSize
+ stats
.RxBufShift
);
4439 stats
.rate
= HwRateToMRate90((bool)pDrvInfo
->RxHT
, (u8
)pDrvInfo
->RxRate
);
4440 stats
.bShortPreamble
= pDrvInfo
->SPLCP
;
4442 /* it is debug only. It should be disabled in released driver.
4443 * 2007.1.11 by Emily
4445 UpdateReceivedRateHistogramStatistics8190(priv
, &stats
);
4447 stats
.bIsAMPDU
= (pDrvInfo
->PartAggr
==1);
4448 stats
.bFirstMPDU
= (pDrvInfo
->PartAggr
==1) && (pDrvInfo
->FirstAGGR
==1);
4450 stats
.TimeStampLow
= pDrvInfo
->TSFL
;
4451 stats
.TimeStampHigh
= read_nic_dword(priv
, TSFR
+4);
4453 UpdateRxPktTimeStamp8190(priv
, &stats
);
4456 // Get Total offset of MPDU Frame Body
4458 if((stats
.RxBufShift
+ stats
.RxDrvInfoSize
) > 0)
4462 TranslateRxSignalStuff819xpci(priv
, skb
, &stats
, pdesc
, pDrvInfo
);
4465 if(pDrvInfo
->FirstAGGR
==1 || pDrvInfo
->PartAggr
== 1)
4466 RT_TRACE(COMP_RXDESC
, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
4467 pDrvInfo
->FirstAGGR
, pDrvInfo
->PartAggr
);
4468 skb_trim(skb
, skb
->len
- 4/*sCrcLng*/);
4469 /* rx packets statistics */
4470 ieee80211_hdr
= (struct ieee80211_hdr_1addr
*)skb
->data
;
4471 unicast_packet
= false;
4473 if(is_broadcast_ether_addr(ieee80211_hdr
->addr1
)) {
4475 }else if(is_multicast_ether_addr(ieee80211_hdr
->addr1
)){
4478 /* unicast packet */
4479 unicast_packet
= true;
4482 if(!ieee80211_rtl_rx(priv
->ieee80211
, skb
, &stats
)){
4483 dev_kfree_skb_any(skb
);
4486 if(unicast_packet
) {
4487 priv
->stats
.rxbytesunicast
+= skb
->len
;
4491 pci_unmap_single(priv
->pdev
, *((dma_addr_t
*) skb
->cb
),
4492 priv
->rxbuffersize
, PCI_DMA_FROMDEVICE
);
4495 priv
->rx_buf
[priv
->rx_idx
] = skb
;
4496 *((dma_addr_t
*) skb
->cb
) = pci_map_single(priv
->pdev
, skb_tail_pointer(skb
), priv
->rxbuffersize
, PCI_DMA_FROMDEVICE
);
4499 pdesc
->BufferAddress
= cpu_to_le32(*((dma_addr_t
*)skb
->cb
));
4501 pdesc
->Length
= priv
->rxbuffersize
;
4502 if (priv
->rx_idx
== priv
->rxringcount
-1)
4504 priv
->rx_idx
= (priv
->rx_idx
+ 1) % priv
->rxringcount
;
4509 static void rtl8192_irq_rx_tasklet(unsigned long arg
)
4511 struct r8192_priv
*priv
= (struct r8192_priv
*) arg
;
4514 write_nic_dword(priv
, INTA_MASK
, read_nic_dword(priv
, INTA_MASK
) | IMR_RDU
);
4517 static const struct net_device_ops rtl8192_netdev_ops
= {
4518 .ndo_open
= rtl8192_open
,
4519 .ndo_stop
= rtl8192_close
,
4520 .ndo_tx_timeout
= tx_timeout
,
4521 .ndo_do_ioctl
= rtl8192_ioctl
,
4522 .ndo_set_multicast_list
= r8192_set_multicast
,
4523 .ndo_set_mac_address
= r8192_set_mac_adr
,
4524 .ndo_start_xmit
= ieee80211_rtl_xmit
,
4527 static int __devinit
rtl8192_pci_probe(struct pci_dev
*pdev
,
4528 const struct pci_device_id
*id
)
4530 struct net_device
*dev
= NULL
;
4531 struct r8192_priv
*priv
= NULL
;
4534 unsigned long pmem_start
, pmem_len
, pmem_flags
;
4536 RT_TRACE(COMP_INIT
,"Configuring chip resources\n");
4538 if( pci_enable_device (pdev
) ){
4539 RT_TRACE(COMP_ERR
,"Failed to enable PCI device");
4543 pci_set_master(pdev
);
4544 //pci_set_wmi(pdev);
4545 pci_set_dma_mask(pdev
, 0xffffff00ULL
);
4546 pci_set_consistent_dma_mask(pdev
,0xffffff00ULL
);
4547 dev
= alloc_ieee80211(sizeof(struct r8192_priv
));
4553 pci_set_drvdata(pdev
, dev
);
4554 SET_NETDEV_DEV(dev
, &pdev
->dev
);
4555 priv
= ieee80211_priv(dev
);
4556 priv
->ieee80211
= netdev_priv(dev
);
4558 if((pdev
->subsystem_vendor
== PCI_VENDOR_ID_DLINK
)&&(pdev
->subsystem_device
== 0x3304)){
4559 priv
->ieee80211
->bSupportRemoteWakeUp
= 1;
4562 priv
->ieee80211
->bSupportRemoteWakeUp
= 0;
4565 pmem_start
= pci_resource_start(pdev
, 1);
4566 pmem_len
= pci_resource_len(pdev
, 1);
4567 pmem_flags
= pci_resource_flags (pdev
, 1);
4569 if (!(pmem_flags
& IORESOURCE_MEM
)) {
4570 RT_TRACE(COMP_ERR
, "region #1 not a MMIO resource, aborting\n");
4574 //DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
4575 if( ! request_mem_region(pmem_start
, pmem_len
, RTL819xE_MODULE_NAME
)) {
4576 RT_TRACE(COMP_ERR
,"request_mem_region failed!\n");
4580 priv
->mem_start
= ioremap_nocache(pmem_start
, pmem_len
);
4581 if (!priv
->mem_start
) {
4582 RT_TRACE(COMP_ERR
,"ioremap failed!\n");
4586 dev
->mem_start
= (unsigned long) priv
->mem_start
;
4587 dev
->mem_end
= (unsigned long) (priv
->mem_start
+
4588 pci_resource_len(pdev
, 0));
4590 /* We disable the RETRY_TIMEOUT register (0x41) to keep
4591 * PCI Tx retries from interfering with C3 CPU state */
4592 pci_write_config_byte(pdev
, 0x41, 0x00);
4595 pci_read_config_byte(pdev
, 0x05, &unit
);
4596 pci_write_config_byte(pdev
, 0x05, unit
& (~0x04));
4598 dev
->irq
= pdev
->irq
;
4601 dev
->netdev_ops
= &rtl8192_netdev_ops
;
4603 dev
->wireless_handlers
= &r8192_wx_handlers_def
;
4604 dev
->type
=ARPHRD_ETHER
;
4606 dev
->watchdog_timeo
= HZ
*3;
4608 if (dev_alloc_name(dev
, ifname
) < 0){
4609 RT_TRACE(COMP_INIT
, "Oops: devname already taken! Trying wlan%%d...\n");
4610 strcpy(ifname
, "wlan%d");
4611 dev_alloc_name(dev
, ifname
);
4614 RT_TRACE(COMP_INIT
, "Driver probe completed1\n");
4615 if (rtl8192_init(priv
)!=0) {
4616 RT_TRACE(COMP_ERR
, "Initialization failed\n");
4620 register_netdev(dev
);
4621 RT_TRACE(COMP_INIT
, "dev name=======> %s\n",dev
->name
);
4622 rtl8192_proc_init_one(priv
);
4625 RT_TRACE(COMP_INIT
, "Driver probe completed\n");
4630 if (priv
->mem_start
) {
4631 iounmap(priv
->mem_start
);
4632 release_mem_region( pci_resource_start(pdev
, 1),
4633 pci_resource_len(pdev
, 1) );
4640 free_irq(priv
->irq
, priv
);
4643 free_ieee80211(dev
);
4647 pci_disable_device(pdev
);
4649 DMESG("wlan driver load failed\n");
4650 pci_set_drvdata(pdev
, NULL
);
4655 /* detach all the work and timer structure declared or inititialized
4656 * in r8192_init function.
4658 static void rtl8192_cancel_deferred_work(struct r8192_priv
* priv
)
4660 /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
4661 * is or is newer than 2.6.20 and work structure is defined to be struct work_struct.
4662 * Otherwise call cancel_delayed_work is enough.
4663 * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
4665 cancel_delayed_work(&priv
->watch_dog_wq
);
4666 cancel_delayed_work(&priv
->update_beacon_wq
);
4667 cancel_delayed_work(&priv
->ieee80211
->hw_wakeup_wq
);
4668 cancel_delayed_work(&priv
->gpio_change_rf_wq
);
4669 cancel_work_sync(&priv
->reset_wq
);
4670 cancel_work_sync(&priv
->qos_activate
);
4674 static void __devexit
rtl8192_pci_disconnect(struct pci_dev
*pdev
)
4676 struct net_device
*dev
= pci_get_drvdata(pdev
);
4677 struct r8192_priv
*priv
;
4682 unregister_netdev(dev
);
4684 priv
= ieee80211_priv(dev
);
4686 rtl8192_proc_remove_one(priv
);
4689 if (priv
->pFirmware
)
4691 vfree(priv
->pFirmware
);
4692 priv
->pFirmware
= NULL
;
4694 destroy_workqueue(priv
->priv_wq
);
4696 /* free tx/rx rings */
4697 rtl8192_free_rx_ring(priv
);
4698 for (i
= 0; i
< MAX_TX_QUEUE_COUNT
; i
++)
4699 rtl8192_free_tx_ring(priv
, i
);
4702 printk("Freeing irq %d\n", priv
->irq
);
4703 free_irq(priv
->irq
, priv
);
4707 if (priv
->mem_start
) {
4708 iounmap(priv
->mem_start
);
4709 release_mem_region( pci_resource_start(pdev
, 1),
4710 pci_resource_len(pdev
, 1) );
4713 free_ieee80211(dev
);
4716 pci_disable_device(pdev
);
4717 RT_TRACE(COMP_DOWN
, "wlan driver removed\n");
4720 extern int ieee80211_rtl_init(void);
4721 extern void ieee80211_rtl_exit(void);
4723 static int __init
rtl8192_pci_module_init(void)
4727 retval
= ieee80211_rtl_init();
4731 printk(KERN_INFO
"\nLinux kernel driver for RTL8192 based WLAN cards\n");
4732 printk(KERN_INFO
"Copyright (c) 2007-2008, Realsil Wlan\n");
4733 RT_TRACE(COMP_INIT
, "Initializing module\n");
4734 rtl8192_proc_module_init();
4735 if(0!=pci_register_driver(&rtl8192_pci_driver
))
4737 DMESG("No device found");
4738 /*pci_unregister_driver (&rtl8192_pci_driver);*/
4745 static void __exit
rtl8192_pci_module_exit(void)
4747 pci_unregister_driver(&rtl8192_pci_driver
);
4749 RT_TRACE(COMP_DOWN
, "Exiting\n");
4750 rtl8192_proc_module_remove();
4751 ieee80211_rtl_exit();
4754 static irqreturn_t
rtl8192_interrupt(int irq
, void *param
)
4756 struct r8192_priv
*priv
= param
;
4757 struct net_device
*dev
= priv
->ieee80211
->dev
;
4758 unsigned long flags
;
4760 irqreturn_t ret
= IRQ_HANDLED
;
4762 spin_lock_irqsave(&priv
->irq_th_lock
, flags
);
4766 inta
= read_nic_dword(priv
, ISR
); /* & priv->IntrMask; */
4767 write_nic_dword(priv
, ISR
, inta
); /* reset int situation */
4771 * most probably we can safely return IRQ_NONE,
4772 * but for now is better to avoid problems
4777 if (inta
== 0xffff) {
4782 if (!netif_running(dev
))
4785 if (inta
& IMR_TBDOK
) {
4786 RT_TRACE(COMP_INTR
, "beacon ok interrupt!\n");
4787 rtl8192_tx_isr(priv
, BEACON_QUEUE
);
4788 priv
->stats
.txbeaconokint
++;
4791 if (inta
& IMR_TBDER
) {
4792 RT_TRACE(COMP_INTR
, "beacon ok interrupt!\n");
4793 rtl8192_tx_isr(priv
, BEACON_QUEUE
);
4794 priv
->stats
.txbeaconerr
++;
4797 if (inta
& IMR_MGNTDOK
) {
4798 RT_TRACE(COMP_INTR
, "Manage ok interrupt!\n");
4799 priv
->stats
.txmanageokint
++;
4800 rtl8192_tx_isr(priv
, MGNT_QUEUE
);
4803 if (inta
& IMR_COMDOK
)
4805 priv
->stats
.txcmdpktokint
++;
4806 rtl8192_tx_isr(priv
, TXCMD_QUEUE
);
4809 if (inta
& IMR_ROK
) {
4810 priv
->stats
.rxint
++;
4811 tasklet_schedule(&priv
->irq_rx_tasklet
);
4814 if (inta
& IMR_BcnInt
) {
4815 RT_TRACE(COMP_INTR
, "prepare beacon for interrupt!\n");
4816 tasklet_schedule(&priv
->irq_prepare_beacon_tasklet
);
4819 if (inta
& IMR_RDU
) {
4820 RT_TRACE(COMP_INTR
, "rx descriptor unavailable!\n");
4821 priv
->stats
.rxrdu
++;
4822 /* reset int situation */
4823 write_nic_dword(priv
, INTA_MASK
, read_nic_dword(priv
, INTA_MASK
) & ~IMR_RDU
);
4824 tasklet_schedule(&priv
->irq_rx_tasklet
);
4827 if (inta
& IMR_RXFOVW
) {
4828 RT_TRACE(COMP_INTR
, "rx overflow !\n");
4829 priv
->stats
.rxoverflow
++;
4830 tasklet_schedule(&priv
->irq_rx_tasklet
);
4833 if (inta
& IMR_TXFOVW
)
4834 priv
->stats
.txoverflow
++;
4836 if (inta
& IMR_BKDOK
) {
4837 RT_TRACE(COMP_INTR
, "BK Tx OK interrupt!\n");
4838 priv
->stats
.txbkokint
++;
4839 priv
->ieee80211
->LinkDetectInfo
.NumTxOkInPeriod
++;
4840 rtl8192_tx_isr(priv
, BK_QUEUE
);
4843 if (inta
& IMR_BEDOK
) {
4844 RT_TRACE(COMP_INTR
, "BE TX OK interrupt!\n");
4845 priv
->stats
.txbeokint
++;
4846 priv
->ieee80211
->LinkDetectInfo
.NumTxOkInPeriod
++;
4847 rtl8192_tx_isr(priv
, BE_QUEUE
);
4850 if (inta
& IMR_VIDOK
) {
4851 RT_TRACE(COMP_INTR
, "VI TX OK interrupt!\n");
4852 priv
->stats
.txviokint
++;
4853 priv
->ieee80211
->LinkDetectInfo
.NumTxOkInPeriod
++;
4854 rtl8192_tx_isr(priv
, VI_QUEUE
);
4857 if (inta
& IMR_VODOK
) {
4858 priv
->stats
.txvookint
++;
4859 priv
->ieee80211
->LinkDetectInfo
.NumTxOkInPeriod
++;
4860 rtl8192_tx_isr(priv
, VO_QUEUE
);
4864 spin_unlock_irqrestore(&priv
->irq_th_lock
, flags
);
4869 void EnableHWSecurityConfig8192(struct r8192_priv
*priv
)
4871 u8 SECR_value
= 0x0;
4872 struct ieee80211_device
* ieee
= priv
->ieee80211
;
4874 SECR_value
= SCR_TxEncEnable
| SCR_RxDecEnable
;
4876 if (((KEY_TYPE_WEP40
== ieee
->pairwise_key_type
) || (KEY_TYPE_WEP104
== ieee
->pairwise_key_type
)) && (priv
->ieee80211
->auth_mode
!= 2))
4878 SECR_value
|= SCR_RxUseDK
;
4879 SECR_value
|= SCR_TxUseDK
;
4881 else if ((ieee
->iw_mode
== IW_MODE_ADHOC
) && (ieee
->pairwise_key_type
& (KEY_TYPE_CCMP
| KEY_TYPE_TKIP
)))
4883 SECR_value
|= SCR_RxUseDK
;
4884 SECR_value
|= SCR_TxUseDK
;
4887 //add HWSec active enable here.
4888 //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
4889 ieee
->hwsec_active
= 1;
4891 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
4893 ieee
->hwsec_active
= 0;
4894 SECR_value
&= ~SCR_RxDecEnable
;
4897 RT_TRACE(COMP_SEC
,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__
,
4898 ieee
->hwsec_active
, ieee
->pairwise_key_type
, SECR_value
);
4900 write_nic_byte(priv
, SECR
, SECR_value
);//SECR_value | SCR_UseDK );
4904 #define TOTAL_CAM_ENTRY 32
4905 //#define CAM_CONTENT_COUNT 8
4906 void setKey(struct r8192_priv
*priv
, u8 EntryNo
, u8 KeyIndex
, u16 KeyType
,
4907 const u8
*MacAddr
, u8 DefaultKey
, u32
*KeyContent
)
4909 u32 TargetCommand
= 0;
4910 u32 TargetContent
= 0;
4914 RT_RF_POWER_STATE rtState
;
4916 rtState
= priv
->eRFPowerState
;
4917 if (priv
->PowerSaveControl
.bInactivePs
){
4918 if(rtState
== eRfOff
){
4919 if(priv
->RfOffReason
> RF_CHANGE_BY_IPS
)
4921 RT_TRACE(COMP_ERR
, "%s(): RF is OFF.\n",__FUNCTION__
);
4922 //up(&priv->wx_sem);
4926 down(&priv
->ieee80211
->ips_sem
);
4928 up(&priv
->ieee80211
->ips_sem
);
4932 priv
->ieee80211
->is_set_key
= true;
4934 if (EntryNo
>= TOTAL_CAM_ENTRY
)
4935 RT_TRACE(COMP_ERR
, "cam entry exceeds in setKey()\n");
4937 RT_TRACE(COMP_SEC
, "====>to setKey(), priv:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", priv
, EntryNo
, KeyIndex
, KeyType
, MacAddr
);
4940 usConfig
|= BIT15
| (KeyType
<<2);
4942 usConfig
|= BIT15
| (KeyType
<<2) | KeyIndex
;
4943 // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
4946 for(i
=0 ; i
<CAM_CONTENT_COUNT
; i
++){
4947 TargetCommand
= i
+CAM_CONTENT_COUNT
*EntryNo
;
4948 TargetCommand
|= BIT31
|BIT16
;
4950 if(i
==0){//MAC|Config
4951 TargetContent
= (u32
)(*(MacAddr
+0)) << 16|
4952 (u32
)(*(MacAddr
+1)) << 24|
4955 write_nic_dword(priv
, WCAMI
, TargetContent
);
4956 write_nic_dword(priv
, RWCAM
, TargetCommand
);
4959 TargetContent
= (u32
)(*(MacAddr
+2)) |
4960 (u32
)(*(MacAddr
+3)) << 8|
4961 (u32
)(*(MacAddr
+4)) << 16|
4962 (u32
)(*(MacAddr
+5)) << 24;
4963 write_nic_dword(priv
, WCAMI
, TargetContent
);
4964 write_nic_dword(priv
, RWCAM
, TargetCommand
);
4966 else { //Key Material
4967 if(KeyContent
!= NULL
)
4969 write_nic_dword(priv
, WCAMI
, (u32
)(*(KeyContent
+i
-2)) );
4970 write_nic_dword(priv
, RWCAM
, TargetCommand
);
4974 RT_TRACE(COMP_SEC
,"=========>after set key, usconfig:%x\n", usConfig
);
4977 bool NicIFEnableNIC(struct r8192_priv
*priv
)
4979 RT_STATUS init_status
= RT_STATUS_SUCCESS
;
4980 PRT_POWER_SAVE_CONTROL pPSC
= &priv
->PowerSaveControl
;
4984 RT_TRACE(COMP_ERR
, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__
);
4985 priv
->bdisable_nic
= false; //YJ,add,091111
4988 // <1> Reset memory: descriptor, buffer,..
4989 //NicIFResetMemory(Adapter);
4991 // <2> Enable Adapter
4992 //priv->bfirst_init = true;
4993 init_status
= rtl8192_adapter_start(priv
);
4994 if (init_status
!= RT_STATUS_SUCCESS
) {
4995 RT_TRACE(COMP_ERR
,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__
);
4996 priv
->bdisable_nic
= false; //YJ,add,091111
4999 RT_CLEAR_PS_LEVEL(pPSC
, RT_RF_OFF_LEVL_HALT_NIC
);
5000 //priv->bfirst_init = false;
5002 // <3> Enable Interrupt
5003 rtl8192_irq_enable(priv
);
5004 priv
->bdisable_nic
= false;
5006 return (init_status
== RT_STATUS_SUCCESS
);
5009 bool NicIFDisableNIC(struct r8192_priv
*priv
)
5013 // <1> Disable Interrupt
5015 priv
->bdisable_nic
= true; //YJ,move,091109
5016 tmp_state
= priv
->ieee80211
->state
;
5018 ieee80211_softmac_stop_protocol(priv
->ieee80211
, false);
5020 priv
->ieee80211
->state
= tmp_state
;
5021 rtl8192_cancel_deferred_work(priv
);
5022 rtl8192_irq_disable(priv
);
5023 // <2> Stop all timer
5025 // <3> Disable Adapter
5026 rtl8192_halt_adapter(priv
, false);
5027 // priv->bdisable_nic = true;
5032 module_init(rtl8192_pci_module_init
);
5033 module_exit(rtl8192_pci_module_exit
);