Linux-2.6.33.2/drivers/staging/rtl8192e/r8192E_core.c
/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
* Linux device driver for RTL8190P / RTL8192E
*
* Based on the r8180 driver, which is:
* Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* Jerry chuang <wlanfae@realtek.com>
*/
#undef LOOP_TEST
#undef RX_DONT_PASS_UL
#undef DEBUG_EPROM
#undef DEBUG_RX_VERBOSE
#undef DUMMY_RX
#undef DEBUG_ZERO_RX
#undef DEBUG_RX_SKB
#undef DEBUG_TX_FRAG
#undef DEBUG_RX_FRAG
#undef DEBUG_TX_FILLDESC
#undef DEBUG_TX
#undef DEBUG_IRQ
#undef DEBUG_RX
#undef DEBUG_RXALLOC
#undef DEBUG_REGISTERS
#undef DEBUG_RING
#undef DEBUG_IRQ_TASKLET
#undef DEBUG_TX_ALLOC
#undef DEBUG_TX_DESC
//#define CONFIG_RTL8192_IO_MAP
#include <linux/vmalloc.h>
#include <asm/uaccess.h>
#include "r8192E_hw.h"
#include "r8192E.h"
#include "r8190_rtl8256.h" /* RTL8225 Radio frontend */
#include "r8180_93cx6.h" /* Card EEPROM */
#include "r8192E_wx.h"
#include "r819xE_phy.h" //added by WB 4.30.2008
#include "r819xE_phyreg.h"
#include "r819xE_cmdpkt.h"
#include "r8192E_dm.h"
//#include "r8192xU_phyreg.h"
//#include <linux/usb.h>
// FIXME: check if 2.6.7 is ok
#ifdef CONFIG_PM_RTL
#include "r8192_pm.h"
#endif
#ifdef ENABLE_DOT11D
#include "dot11d.h"
#endif
//set here to open your trace code. //WB
u32 rt_global_debug_component = \
// COMP_INIT |
// COMP_EPROM |
// COMP_PHY |
// COMP_RF |
COMP_FIRMWARE |
// COMP_TRACE |
// COMP_DOWN |
// COMP_SWBW |
// COMP_SEC |
// COMP_QOS |
// COMP_RATE |
// COMP_RECV |
// COMP_SEND |
// COMP_POWER |
// COMP_EVENTS |
// COMP_RESET |
// COMP_CMDPKT |
// COMP_POWER_TRACKING |
// COMP_INTR |
COMP_ERR ; //always open err flags on
#ifndef PCI_DEVICE
#define PCI_DEVICE(vend,dev)\
.vendor=(vend),.device=(dev),\
.subvendor=PCI_ANY_ID,.subdevice=PCI_ANY_ID
#endif
static struct pci_device_id rtl8192_pci_id_tbl[] __devinitdata = {
#ifdef RTL8190P
/* Realtek */
/* Dlink */
{ PCI_DEVICE(0x10ec, 0x8190) },
/* Corega */
{ PCI_DEVICE(0x07aa, 0x0045) },
{ PCI_DEVICE(0x07aa, 0x0046) },
#else
/* Realtek */
{ PCI_DEVICE(0x10ec, 0x8192) },
/* Corega */
{ PCI_DEVICE(0x07aa, 0x0044) },
{ PCI_DEVICE(0x07aa, 0x0047) },
#endif
{}
};
static char* ifname = "wlan%d";
static int hwwep = 1; //default use hw. set 0 to use software security
static int channels = 0x3fff;
MODULE_LICENSE("GPL");
MODULE_VERSION("V 1.1");
MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl);
//MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>");
MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards");
module_param(ifname, charp, S_IRUGO|S_IWUSR );
//module_param(hwseqnum,int, S_IRUGO|S_IWUSR);
module_param(hwwep,int, S_IRUGO|S_IWUSR);
module_param(channels,int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ifname," Net interface name, wlan%d=default");
//MODULE_PARM_DESC(hwseqnum," Try to use hardware 802.11 header sequence numbers. Zero=default");
MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards");
MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI");
static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id);
static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev);
static struct pci_driver rtl8192_pci_driver = {
.name = RTL819xE_MODULE_NAME, /* Driver name */
.id_table = rtl8192_pci_id_tbl, /* PCI_ID table */
.probe = rtl8192_pci_probe, /* probe fn */
.remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */
#ifdef CONFIG_PM_RTL
.suspend = rtl8192E_suspend, /* PM suspend fn */
.resume = rtl8192E_resume, /* PM resume fn */
#else
.suspend = NULL, /* PM suspend fn */
.resume = NULL, /* PM resume fn */
#endif
};
#ifdef ENABLE_DOT11D
typedef struct _CHANNEL_LIST
{
u8 Channel[32];
u8 Len;
}CHANNEL_LIST, *PCHANNEL_LIST;
static CHANNEL_LIST ChannelPlan[] = {
{{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
{{1,2,3,4,5,6,7,8,9,10,11},11}, //IC
{{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //ETSI
{{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Spain. Change to ETSI.
{{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //France. Change to ETSI.
{{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
{{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64},22},//MKK1
{{1,2,3,4,5,6,7,8,9,10,11,12,13},13}, //Israel.
{{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
{{1,2,3,4,5,6,7,8,9,10,11,12,13,14,36,40,44,48,52,56,60,64}, 22}, //MIC
{{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
};
static void rtl819x_set_channel_map(u8 channel_plan, struct r8192_priv* priv)
{
int i, max_chan=-1, min_chan=-1;
struct ieee80211_device* ieee = priv->ieee80211;
switch (channel_plan)
{
case COUNTRY_CODE_FCC:
case COUNTRY_CODE_IC:
case COUNTRY_CODE_ETSI:
case COUNTRY_CODE_SPAIN:
case COUNTRY_CODE_FRANCE:
case COUNTRY_CODE_MKK:
case COUNTRY_CODE_MKK1:
case COUNTRY_CODE_ISRAEL:
case COUNTRY_CODE_TELEC:
case COUNTRY_CODE_MIC:
{
Dot11d_Init(ieee);
ieee->bGlobalDomain = false;
//acturally 8225 & 8256 rf chip only support B,G,24N mode
if ((priv->rf_chip == RF_8225) || (priv->rf_chip == RF_8256))
{
min_chan = 1;
max_chan = 14;
}
else
{
RT_TRACE(COMP_ERR, "unknown rf chip, can't set channel map in function:%s()\n", __FUNCTION__);
}
if (ChannelPlan[channel_plan].Len != 0){
// Clear old channel map
memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map));
// Set new channel map
for (i=0;i<ChannelPlan[channel_plan].Len;i++)
{
if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan)
break;
GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1;
}
}
break;
}
case COUNTRY_CODE_GLOBAL_DOMAIN:
{
GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting
Dot11d_Reset(ieee);
ieee->bGlobalDomain = true;
break;
}
default:
break;
}
}
#endif
#define eqMacAddr(a,b) ( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 )
/* 2007/07/25 MH Defien temp tx fw info. */
static TX_FWINFO_T Tmp_TxFwInfo;
#define rx_hal_is_cck_rate(_pdrvinfo)\
(_pdrvinfo->RxRate == DESC90_RATE1M ||\
_pdrvinfo->RxRate == DESC90_RATE2M ||\
_pdrvinfo->RxRate == DESC90_RATE5_5M ||\
_pdrvinfo->RxRate == DESC90_RATE11M) &&\
!_pdrvinfo->RxHT\
void CamResetAllEntry(struct net_device *dev)
{
//u8 ucIndex;
u32 ulcommand = 0;
#if 1
ulcommand |= BIT31|BIT30;
write_nic_dword(dev, RWCAM, ulcommand);
#else
for(ucIndex=0;ucIndex<TOTAL_CAM_ENTRY;ucIndex++)
CAM_mark_invalid(dev, ucIndex);
for(ucIndex=0;ucIndex<TOTAL_CAM_ENTRY;ucIndex++)
CAM_empty_entry(dev, ucIndex);
#endif
}
void write_cam(struct net_device *dev, u8 addr, u32 data)
{
write_nic_dword(dev, WCAMI, data);
write_nic_dword(dev, RWCAM, BIT31|BIT16|(addr&0xff) );
}
u32 read_cam(struct net_device *dev, u8 addr)
{
write_nic_dword(dev, RWCAM, 0x80000000|(addr&0xff) );
return read_nic_dword(dev, 0xa8);
}
////////////////////////////////////////////////////////////
#ifdef CONFIG_RTL8180_IO_MAP
u8 read_nic_byte(struct net_device *dev, int x)
{
return 0xff&inb(dev->base_addr +x);
}
u32 read_nic_dword(struct net_device *dev, int x)
{
return inl(dev->base_addr +x);
}
u16 read_nic_word(struct net_device *dev, int x)
{
return inw(dev->base_addr +x);
}
void write_nic_byte(struct net_device *dev, int x,u8 y)
{
outb(y&0xff,dev->base_addr +x);
}
void write_nic_word(struct net_device *dev, int x,u16 y)
{
outw(y,dev->base_addr +x);
}
void write_nic_dword(struct net_device *dev, int x,u32 y)
{
outl(y,dev->base_addr +x);
}
#else /* RTL_IO_MAP */
u8 read_nic_byte(struct net_device *dev, int x)
{
return 0xff&readb((u8*)dev->mem_start +x);
}
u32 read_nic_dword(struct net_device *dev, int x)
{
return readl((u8*)dev->mem_start +x);
}
u16 read_nic_word(struct net_device *dev, int x)
{
return readw((u8*)dev->mem_start +x);
}
void write_nic_byte(struct net_device *dev, int x,u8 y)
{
writeb(y,(u8*)dev->mem_start +x);
udelay(20);
}
void write_nic_dword(struct net_device *dev, int x,u32 y)
{
writel(y,(u8*)dev->mem_start +x);
udelay(20);
}
void write_nic_word(struct net_device *dev, int x,u16 y)
{
writew(y,(u8*)dev->mem_start +x);
udelay(20);
}
#endif /* RTL_IO_MAP */
///////////////////////////////////////////////////////////
//u8 read_phy_cck(struct net_device *dev, u8 adr);
//u8 read_phy_ofdm(struct net_device *dev, u8 adr);
/* this might still called in what was the PHY rtl8185/rtl8192 common code
* plans are to possibilty turn it again in one common code...
*/
inline void force_pci_posting(struct net_device *dev)
{
}
//warning message WB
irqreturn_t rtl8192_interrupt(int irq, void *netdev);
//static struct net_device_stats *rtl8192_stats(struct net_device *dev);
void rtl8192_commit(struct net_device *dev);
//void rtl8192_restart(struct net_device *dev);
void rtl8192_restart(struct work_struct *work);
//void rtl8192_rq_tx_ack(struct work_struct *work);
void watch_dog_timer_callback(unsigned long data);
#ifdef ENABLE_IPS
void IPSEnter(struct net_device *dev);
void IPSLeave(struct net_device *dev);
void InactivePsWorkItemCallback(struct net_device *dev);
#endif
/****************************************************************************
-----------------------------PROCFS STUFF-------------------------
*****************************************************************************/
static struct proc_dir_entry *rtl8192_proc = NULL;
static int proc_get_stats_ap(char *page, char **start,
off_t offset, int count,
int *eof, void *data)
{
struct net_device *dev = data;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
struct ieee80211_network *target;
int len = 0;
list_for_each_entry(target, &ieee->network_list, list) {
len += snprintf(page + len, count - len,
"%s ", target->ssid);
if(target->wpa_ie_len>0 || target->rsn_ie_len>0){
len += snprintf(page + len, count - len,
"WPA\n");
}
else{
len += snprintf(page + len, count - len,
"non_WPA\n");
}
}
*eof = 1;
return len;
}
static int proc_get_registers(char *page, char **start,
off_t offset, int count,
int *eof, void *data)
{
struct net_device *dev = data;
// struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
int len = 0;
int i,n;
int max=0xff;
/* This dump the current register page */
len += snprintf(page + len, count - len,
"\n####################page 0##################\n ");
for(n=0;n<=max;)
{
//printk( "\nD: %2x> ", n);
len += snprintf(page + len, count - len,
"\nD: %2x > ",n);
for(i=0;i<16 && n<=max;i++,n++)
len += snprintf(page + len, count - len,
"%2x ",read_nic_byte(dev,n));
// printk("%2x ",read_nic_byte(dev,n));
}
len += snprintf(page + len, count - len,"\n");
len += snprintf(page + len, count - len,
"\n####################page 1##################\n ");
for(n=0;n<=max;)
{
//printk( "\nD: %2x> ", n);
len += snprintf(page + len, count - len,
"\nD: %2x > ",n);
for(i=0;i<16 && n<=max;i++,n++)
len += snprintf(page + len, count - len,
"%2x ",read_nic_byte(dev,0x100|n));
// printk("%2x ",read_nic_byte(dev,n));
}
len += snprintf(page + len, count - len,
"\n####################page 3##################\n ");
for(n=0;n<=max;)
{
//printk( "\nD: %2x> ", n);
len += snprintf(page + len, count - len,
"\nD: %2x > ",n);
for(i=0;i<16 && n<=max;i++,n++)
len += snprintf(page + len, count - len,
"%2x ",read_nic_byte(dev,0x300|n));
// printk("%2x ",read_nic_byte(dev,n));
}
*eof = 1;
return len;
}
static int proc_get_stats_tx(char *page, char **start,
off_t offset, int count,
int *eof, void *data)
{
struct net_device *dev = data;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
int len = 0;
len += snprintf(page + len, count - len,
"TX VI priority ok int: %lu\n"
// "TX VI priority error int: %lu\n"
"TX VO priority ok int: %lu\n"
// "TX VO priority error int: %lu\n"
"TX BE priority ok int: %lu\n"
// "TX BE priority error int: %lu\n"
"TX BK priority ok int: %lu\n"
// "TX BK priority error int: %lu\n"
"TX MANAGE priority ok int: %lu\n"
// "TX MANAGE priority error int: %lu\n"
"TX BEACON priority ok int: %lu\n"
"TX BEACON priority error int: %lu\n"
"TX CMDPKT priority ok int: %lu\n"
// "TX high priority ok int: %lu\n"
// "TX high priority failed error int: %lu\n"
// "TX queue resume: %lu\n"
"TX queue stopped?: %d\n"
"TX fifo overflow: %lu\n"
// "TX beacon: %lu\n"
// "TX VI queue: %d\n"
// "TX VO queue: %d\n"
// "TX BE queue: %d\n"
// "TX BK queue: %d\n"
// "TX HW queue: %d\n"
// "TX VI dropped: %lu\n"
// "TX VO dropped: %lu\n"
// "TX BE dropped: %lu\n"
// "TX BK dropped: %lu\n"
"TX total data packets %lu\n"
"TX total data bytes :%lu\n",
// "TX beacon aborted: %lu\n",
priv->stats.txviokint,
// priv->stats.txvierr,
priv->stats.txvookint,
// priv->stats.txvoerr,
priv->stats.txbeokint,
// priv->stats.txbeerr,
priv->stats.txbkokint,
// priv->stats.txbkerr,
priv->stats.txmanageokint,
// priv->stats.txmanageerr,
priv->stats.txbeaconokint,
priv->stats.txbeaconerr,
priv->stats.txcmdpktokint,
// priv->stats.txhpokint,
// priv->stats.txhperr,
// priv->stats.txresumed,
netif_queue_stopped(dev),
priv->stats.txoverflow,
// priv->stats.txbeacon,
// atomic_read(&(priv->tx_pending[VI_QUEUE])),
// atomic_read(&(priv->tx_pending[VO_QUEUE])),
// atomic_read(&(priv->tx_pending[BE_QUEUE])),
// atomic_read(&(priv->tx_pending[BK_QUEUE])),
// read_nic_byte(dev, TXFIFOCOUNT),
// priv->stats.txvidrop,
// priv->stats.txvodrop,
priv->ieee80211->stats.tx_packets,
priv->ieee80211->stats.tx_bytes
// priv->stats.txbedrop,
// priv->stats.txbkdrop
// priv->stats.txdatapkt
// priv->stats.txbeaconerr
);
*eof = 1;
return len;
}
static int proc_get_stats_rx(char *page, char **start,
off_t offset, int count,
int *eof, void *data)
{
struct net_device *dev = data;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
int len = 0;
len += snprintf(page + len, count - len,
"RX packets: %lu\n"
"RX desc err: %lu\n"
"RX rx overflow error: %lu\n"
"RX invalid urb error: %lu\n",
priv->stats.rxint,
priv->stats.rxrdu,
priv->stats.rxoverflow,
priv->stats.rxurberr);
*eof = 1;
return len;
}
static void rtl8192_proc_module_init(void)
{
RT_TRACE(COMP_INIT, "Initializing proc filesystem");
rtl8192_proc=create_proc_entry(RTL819xE_MODULE_NAME, S_IFDIR, init_net.proc_net);
}
static void rtl8192_proc_module_remove(void)
{
remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net);
}
static void rtl8192_proc_remove_one(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
printk("dev name=======> %s\n",dev->name);
if (priv->dir_dev) {
// remove_proc_entry("stats-hw", priv->dir_dev);
remove_proc_entry("stats-tx", priv->dir_dev);
remove_proc_entry("stats-rx", priv->dir_dev);
// remove_proc_entry("stats-ieee", priv->dir_dev);
remove_proc_entry("stats-ap", priv->dir_dev);
remove_proc_entry("registers", priv->dir_dev);
// remove_proc_entry("cck-registers",priv->dir_dev);
// remove_proc_entry("ofdm-registers",priv->dir_dev);
//remove_proc_entry(dev->name, rtl8192_proc);
remove_proc_entry("wlan0", rtl8192_proc);
priv->dir_dev = NULL;
}
}
static void rtl8192_proc_init_one(struct net_device *dev)
{
struct proc_dir_entry *e;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
priv->dir_dev = create_proc_entry(dev->name,
S_IFDIR | S_IRUGO | S_IXUGO,
rtl8192_proc);
if (!priv->dir_dev) {
RT_TRACE(COMP_ERR, "Unable to initialize /proc/net/rtl8192/%s\n",
dev->name);
return;
}
e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO,
priv->dir_dev, proc_get_stats_rx, dev);
if (!e) {
RT_TRACE(COMP_ERR,"Unable to initialize "
"/proc/net/rtl8192/%s/stats-rx\n",
dev->name);
}
e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO,
priv->dir_dev, proc_get_stats_tx, dev);
if (!e) {
RT_TRACE(COMP_ERR, "Unable to initialize "
"/proc/net/rtl8192/%s/stats-tx\n",
dev->name);
}
e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO,
priv->dir_dev, proc_get_stats_ap, dev);
if (!e) {
RT_TRACE(COMP_ERR, "Unable to initialize "
"/proc/net/rtl8192/%s/stats-ap\n",
dev->name);
}
e = create_proc_read_entry("registers", S_IFREG | S_IRUGO,
priv->dir_dev, proc_get_registers, dev);
if (!e) {
RT_TRACE(COMP_ERR, "Unable to initialize "
"/proc/net/rtl8192/%s/registers\n",
dev->name);
}
}
/****************************************************************************
-----------------------------MISC STUFF-------------------------
*****************************************************************************/
short check_nic_enough_desc(struct net_device *dev, int prio)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
/* for now we reserve two free descriptor as a safety boundary
* between the tail and the head
*/
if (ring->entries - skb_queue_len(&ring->queue) >= 2) {
return 1;
} else {
return 0;
}
}
static void tx_timeout(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
//rtl8192_commit(dev);
schedule_work(&priv->reset_wq);
printk("TXTIMEOUT");
}
/****************************************************************************
------------------------------HW STUFF---------------------------
*****************************************************************************/
static void rtl8192_irq_enable(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
priv->irq_enabled = 1;
write_nic_dword(dev,INTA_MASK, priv->irq_mask);
}
static void rtl8192_irq_disable(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
write_nic_dword(dev,INTA_MASK,0);
force_pci_posting(dev);
priv->irq_enabled = 0;
}
static void rtl8192_set_mode(struct net_device *dev,int mode)
{
u8 ecmd;
ecmd=read_nic_byte(dev, EPROM_CMD);
ecmd=ecmd &~ EPROM_CMD_OPERATING_MODE_MASK;
ecmd=ecmd | (mode<<EPROM_CMD_OPERATING_MODE_SHIFT);
ecmd=ecmd &~ (1<<EPROM_CS_SHIFT);
ecmd=ecmd &~ (1<<EPROM_CK_SHIFT);
write_nic_byte(dev, EPROM_CMD, ecmd);
}
void rtl8192_update_msr(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 msr;
msr = read_nic_byte(dev, MSR);
msr &= ~ MSR_LINK_MASK;
/* do not change in link_state != WLAN_LINK_ASSOCIATED.
* msr must be updated if the state is ASSOCIATING.
* this is intentional and make sense for ad-hoc and
* master (see the create BSS/IBSS func)
*/
if (priv->ieee80211->state == IEEE80211_LINKED){
if (priv->ieee80211->iw_mode == IW_MODE_INFRA)
msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT);
else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT);
else if (priv->ieee80211->iw_mode == IW_MODE_MASTER)
msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT);
}else
msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT);
write_nic_byte(dev, MSR, msr);
}
void rtl8192_set_chan(struct net_device *dev,short ch)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
RT_TRACE(COMP_RF, "=====>%s()====ch:%d\n", __FUNCTION__, ch);
priv->chan=ch;
#if 0
if(priv->ieee80211->iw_mode == IW_MODE_ADHOC ||
priv->ieee80211->iw_mode == IW_MODE_MASTER){
priv->ieee80211->link_state = WLAN_LINK_ASSOCIATED;
priv->ieee80211->master_chan = ch;
rtl8192_update_beacon_ch(dev);
}
#endif
/* this hack should avoid frame TX during channel setting*/
// tx = read_nic_dword(dev,TX_CONF);
// tx &= ~TX_LOOPBACK_MASK;
#ifndef LOOP_TEST
//TODO
// write_nic_dword(dev,TX_CONF, tx |( TX_LOOPBACK_MAC<<TX_LOOPBACK_SHIFT));
//need to implement rf set channel here WB
if (priv->rf_set_chan)
priv->rf_set_chan(dev,priv->chan);
// mdelay(10);
// write_nic_dword(dev,TX_CONF,tx | (TX_LOOPBACK_NONE<<TX_LOOPBACK_SHIFT));
#endif
}
void rtl8192_rx_enable(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
write_nic_dword(dev, RDQDA,priv->rx_ring_dma);
}
/* the TX_DESC_BASE setting is according to the following queue index
* BK_QUEUE ===> 0
* BE_QUEUE ===> 1
* VI_QUEUE ===> 2
* VO_QUEUE ===> 3
* HCCA_QUEUE ===> 4
* TXCMD_QUEUE ===> 5
* MGNT_QUEUE ===> 6
* HIGH_QUEUE ===> 7
* BEACON_QUEUE ===> 8
* */
static u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA};
void rtl8192_tx_enable(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
u32 i;
for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
write_nic_dword(dev, TX_DESC_BASE[i], priv->tx_ring[i].dma);
ieee80211_reset_queue(priv->ieee80211);
}
static void rtl8192_free_rx_ring(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int i;
for (i = 0; i < priv->rxringcount; i++) {
struct sk_buff *skb = priv->rx_buf[i];
if (!skb)
continue;
pci_unmap_single(priv->pdev,
*((dma_addr_t *)skb->cb),
priv->rxbuffersize, PCI_DMA_FROMDEVICE);
kfree_skb(skb);
}
pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount,
priv->rx_ring, priv->rx_ring_dma);
priv->rx_ring = NULL;
}
static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
while (skb_queue_len(&ring->queue)) {
tx_desc_819x_pci *entry = &ring->desc[ring->idx];
struct sk_buff *skb = __skb_dequeue(&ring->queue);
pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
skb->len, PCI_DMA_TODEVICE);
kfree_skb(skb);
ring->idx = (ring->idx + 1) % ring->entries;
}
pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries,
ring->desc, ring->dma);
ring->desc = NULL;
}
static void rtl8192_beacon_disable(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
u32 reg;
reg = read_nic_dword(priv->ieee80211->dev,INTA_MASK);
/* disable Beacon realted interrupt signal */
reg &= ~(IMR_BcnInt | IMR_BcnInt | IMR_TBDOK | IMR_TBDER);
write_nic_dword(priv->ieee80211->dev, INTA_MASK, reg);
}
void rtl8192_rtx_disable(struct net_device *dev)
{
u8 cmd;
struct r8192_priv *priv = ieee80211_priv(dev);
int i;
cmd=read_nic_byte(dev,CMDR);
// if(!priv->ieee80211->bSupportRemoteWakeUp) {
write_nic_byte(dev, CMDR, cmd &~ \
(CR_TE|CR_RE));
// }
force_pci_posting(dev);
mdelay(30);
for(i = 0; i < MAX_QUEUE_SIZE; i++) {
skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
}
for(i = 0; i < MAX_QUEUE_SIZE; i++) {
skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
}
skb_queue_purge(&priv->skb_queue);
return;
}
static void rtl8192_reset(struct net_device *dev)
{
rtl8192_irq_disable(dev);
printk("This is RTL819xP Reset procedure\n");
}
static u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540};
inline u16 rtl8192_rate2rate(short rate)
{
if (rate >11) return 0;
return rtl_rate[rate];
}
static void rtl8192_data_hard_stop(struct net_device *dev)
{
//FIXME !!
#if 0
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
priv->dma_poll_mask |= (1<<TX_DMA_STOP_LOWPRIORITY_SHIFT);
rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask);
rtl8192_set_mode(dev,EPROM_CMD_NORMAL);
#endif
}
static void rtl8192_data_hard_resume(struct net_device *dev)
{
// FIXME !!
#if 0
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
priv->dma_poll_mask &= ~(1<<TX_DMA_STOP_LOWPRIORITY_SHIFT);
rtl8192_set_mode(dev,EPROM_CMD_CONFIG);
write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask);
rtl8192_set_mode(dev,EPROM_CMD_NORMAL);
#endif
}
/* this function TX data frames when the ieee80211 stack requires this.
* It checks also if we need to stop the ieee tx queue, eventually do it
*/
static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
int ret;
//unsigned long flags;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
/* shall not be referred by command packet */
assert(queue_index != TXCMD_QUEUE);
//spin_lock_irqsave(&priv->tx_lock,flags);
memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
#if 0
tcb_desc->RATRIndex = 7;
tcb_desc->bTxDisableRateFallBack = 1;
tcb_desc->bTxUseDriverAssingedRate = 1;
tcb_desc->bTxEnableFwCalcDur = 1;
#endif
skb_push(skb, priv->ieee80211->tx_headroom);
ret = rtl8192_tx(dev, skb);
if(ret != 0) {
kfree_skb(skb);
};
//
if(queue_index!=MGNT_QUEUE) {
priv->ieee80211->stats.tx_bytes+=(skb->len - priv->ieee80211->tx_headroom);
priv->ieee80211->stats.tx_packets++;
}
//spin_unlock_irqrestore(&priv->tx_lock,flags);
// return ret;
return;
}
/* This is a rough attempt to TX a frame
* This is called by the ieee 80211 stack to TX management frames.
* If the ring is full packet are dropped (for data frame the queue
* is stopped before this can happen).
*/
static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
int ret;
//unsigned long flags;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
u8 queue_index = tcb_desc->queue_index;
//spin_lock_irqsave(&priv->tx_lock,flags);
memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
if(queue_index == TXCMD_QUEUE) {
// skb_push(skb, USB_HWDESC_HEADER_LEN);
rtl819xE_tx_cmd(dev, skb);
ret = 0;
//spin_unlock_irqrestore(&priv->tx_lock,flags);
return ret;
} else {
// RT_TRACE(COMP_SEND, "To send management packet\n");
tcb_desc->RATRIndex = 7;
tcb_desc->bTxDisableRateFallBack = 1;
tcb_desc->bTxUseDriverAssingedRate = 1;
tcb_desc->bTxEnableFwCalcDur = 1;
skb_push(skb, priv->ieee80211->tx_headroom);
ret = rtl8192_tx(dev, skb);
if(ret != 0) {
kfree_skb(skb);
};
}
// priv->ieee80211->stats.tx_bytes+=skb->len;
// priv->ieee80211->stats.tx_packets++;
//spin_unlock_irqrestore(&priv->tx_lock,flags);
return ret;
}
void rtl8192_try_wake_queue(struct net_device *dev, int pri);
static void rtl8192_tx_isr(struct net_device *dev, int prio)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct rtl8192_tx_ring *ring = &priv->tx_ring[prio];
while (skb_queue_len(&ring->queue)) {
tx_desc_819x_pci *entry = &ring->desc[ring->idx];
struct sk_buff *skb;
/* beacon packet will only use the first descriptor defaultly,
* and the OWN may not be cleared by the hardware
* */
if(prio != BEACON_QUEUE) {
if(entry->OWN)
return;
ring->idx = (ring->idx + 1) % ring->entries;
}
skb = __skb_dequeue(&ring->queue);
pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
skb->len, PCI_DMA_TODEVICE);
kfree_skb(skb);
}
if (prio == MGNT_QUEUE){
if (priv->ieee80211->ack_tx_to_ieee){
if (rtl8192_is_tx_queue_empty(dev)){
priv->ieee80211->ack_tx_to_ieee = 0;
ieee80211_ps_tx_ack(priv->ieee80211, 1);
}
}
}
if(prio != BEACON_QUEUE) {
/* try to deal with the pending packets */
tasklet_schedule(&priv->irq_tx_tasklet);
}
}
static void rtl8192_stop_beacon(struct net_device *dev)
{
//rtl8192_beacon_disable(dev);
}
static void rtl8192_config_rate(struct net_device* dev, u16* rate_config)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_network *net;
u8 i=0, basic_rate = 0;
net = & priv->ieee80211->current_network;
for (i=0; i<net->rates_len; i++)
{
basic_rate = net->rates[i]&0x7f;
switch(basic_rate)
{
case MGN_1M: *rate_config |= RRSR_1M; break;
case MGN_2M: *rate_config |= RRSR_2M; break;
case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
case MGN_11M: *rate_config |= RRSR_11M; break;
case MGN_6M: *rate_config |= RRSR_6M; break;
case MGN_9M: *rate_config |= RRSR_9M; break;
case MGN_12M: *rate_config |= RRSR_12M; break;
case MGN_18M: *rate_config |= RRSR_18M; break;
case MGN_24M: *rate_config |= RRSR_24M; break;
case MGN_36M: *rate_config |= RRSR_36M; break;
case MGN_48M: *rate_config |= RRSR_48M; break;
case MGN_54M: *rate_config |= RRSR_54M; break;
}
}
for (i=0; i<net->rates_ex_len; i++)
{
basic_rate = net->rates_ex[i]&0x7f;
switch(basic_rate)
{
case MGN_1M: *rate_config |= RRSR_1M; break;
case MGN_2M: *rate_config |= RRSR_2M; break;
case MGN_5_5M: *rate_config |= RRSR_5_5M; break;
case MGN_11M: *rate_config |= RRSR_11M; break;
case MGN_6M: *rate_config |= RRSR_6M; break;
case MGN_9M: *rate_config |= RRSR_9M; break;
case MGN_12M: *rate_config |= RRSR_12M; break;
case MGN_18M: *rate_config |= RRSR_18M; break;
case MGN_24M: *rate_config |= RRSR_24M; break;
case MGN_36M: *rate_config |= RRSR_36M; break;
case MGN_48M: *rate_config |= RRSR_48M; break;
case MGN_54M: *rate_config |= RRSR_54M; break;
}
}
}
#define SHORT_SLOT_TIME 9
#define NON_SHORT_SLOT_TIME 20
static void rtl8192_update_cap(struct net_device* dev, u16 cap)
{
u32 tmp = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_network *net = &priv->ieee80211->current_network;
priv->short_preamble = cap & WLAN_CAPABILITY_SHORT_PREAMBLE;
tmp = priv->basic_rate;
if (priv->short_preamble)
tmp |= BRSR_AckShortPmb;
write_nic_dword(dev, RRSR, tmp);
if (net->mode & (IEEE_G|IEEE_N_24G))
{
u8 slot_time = 0;
if ((cap & WLAN_CAPABILITY_SHORT_SLOT)&&(!priv->ieee80211->pHTInfo->bCurrentRT2RTLongSlotTime))
{//short slot time
slot_time = SHORT_SLOT_TIME;
}
else //long slot time
slot_time = NON_SHORT_SLOT_TIME;
priv->slot_time = slot_time;
write_nic_byte(dev, SLOT_TIME, slot_time);
}
}
static void rtl8192_net_update(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_network *net;
u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf;
u16 rate_config = 0;
net = &priv->ieee80211->current_network;
//update Basic rate: RR, BRSR
rtl8192_config_rate(dev, &rate_config);
// 2007.01.16, by Emily
// Select RRSR (in Legacy-OFDM and CCK)
// For 8190, we select only 24M, 12M, 6M, 11M, 5.5M, 2M, and 1M from the Basic rate.
// We do not use other rates.
priv->basic_rate = rate_config &= 0x15f;
//BSSID
write_nic_dword(dev,BSSIDR,((u32*)net->bssid)[0]);
write_nic_word(dev,BSSIDR+4,((u16*)net->bssid)[2]);
#if 0
//MSR
rtl8192_update_msr(dev);
#endif
// rtl8192_update_cap(dev, net->capability);
if (priv->ieee80211->iw_mode == IW_MODE_ADHOC)
{
write_nic_word(dev, ATIMWND, 2);
write_nic_word(dev, BCN_DMATIME, 256);
write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
// write_nic_word(dev, BcnIntTime, 100);
//BIT15 of BCN_DRV_EARLY_INT will indicate whether software beacon or hw beacon is applied.
write_nic_word(dev, BCN_DRV_EARLY_INT, 10);
write_nic_byte(dev, BCN_ERR_THRESH, 100);
BcnTimeCfg |= (BcnCW<<BCN_TCFG_CW_SHIFT);
// TODO: BcnIFS may required to be changed on ASIC
BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
}
}
void rtl819xE_tx_cmd(struct net_device *dev, struct sk_buff *skb)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct rtl8192_tx_ring *ring;
tx_desc_819x_pci *entry;
unsigned int idx;
dma_addr_t mapping;
cb_desc *tcb_desc;
unsigned long flags;
ring = &priv->tx_ring[TXCMD_QUEUE];
mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
spin_lock_irqsave(&priv->irq_th_lock,flags);
idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
entry = &ring->desc[idx];
tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
memset(entry,0,12);
entry->LINIP = tcb_desc->bLastIniPkt;
entry->FirstSeg = 1;//first segment
entry->LastSeg = 1; //last segment
if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) {
entry->CmdInit = DESC_PACKET_TYPE_INIT;
} else {
entry->CmdInit = DESC_PACKET_TYPE_NORMAL;
entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8;
entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset);
entry->QueueSelect = QSLT_CMD;
entry->TxFWInfoSize = 0x08;
entry->RATid = (u8)DESC_PACKET_TYPE_INIT;
}
entry->TxBufferSize = skb->len;
entry->TxBuffAddr = cpu_to_le32(mapping);
entry->OWN = 1;
#ifdef JOHN_DUMP_TXDESC
{ int i;
tx_desc_819x_pci *entry1 = &ring->desc[0];
unsigned int *ptr= (unsigned int *)entry1;
printk("<Tx descriptor>:\n");
for (i = 0; i < 8; i++)
printk("%8x ", ptr[i]);
printk("\n");
}
#endif
__skb_queue_tail(&ring->queue, skb);
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
write_nic_byte(dev, TPPoll, TPPoll_CQ);
return;
}
/*
* Mapping Software/Hardware descriptor queue id to "Queue Select Field"
* in TxFwInfo data structure
* 2006.10.30 by Emily
*
* \param QUEUEID Software Queue
*/
static u8 MapHwQueueToFirmwareQueue(u8 QueueID)
{
u8 QueueSelect = 0x0; //defualt set to
switch(QueueID) {
case BE_QUEUE:
QueueSelect = QSLT_BE; //or QSelect = pTcb->priority;
break;
case BK_QUEUE:
QueueSelect = QSLT_BK; //or QSelect = pTcb->priority;
break;
case VO_QUEUE:
QueueSelect = QSLT_VO; //or QSelect = pTcb->priority;
break;
case VI_QUEUE:
QueueSelect = QSLT_VI; //or QSelect = pTcb->priority;
break;
case MGNT_QUEUE:
QueueSelect = QSLT_MGNT;
break;
case BEACON_QUEUE:
QueueSelect = QSLT_BEACON;
break;
// TODO: 2006.10.30 mark other queue selection until we verify it is OK
// TODO: Remove Assertions
//#if (RTL819X_FPGA_VER & RTL819X_FPGA_GUANGAN_070502)
case TXCMD_QUEUE:
QueueSelect = QSLT_CMD;
break;
//#endif
case HIGH_QUEUE:
//QueueSelect = QSLT_HIGH;
//break;
default:
RT_TRACE(COMP_ERR, "TransmitTCB(): Impossible Queue Selection: %d \n", QueueID);
break;
}
return QueueSelect;
}
static u8 MRateToHwRate8190Pci(u8 rate)
{
u8 ret = DESC90_RATE1M;
switch(rate) {
case MGN_1M: ret = DESC90_RATE1M; break;
case MGN_2M: ret = DESC90_RATE2M; break;
case MGN_5_5M: ret = DESC90_RATE5_5M; break;
case MGN_11M: ret = DESC90_RATE11M; break;
case MGN_6M: ret = DESC90_RATE6M; break;
case MGN_9M: ret = DESC90_RATE9M; break;
case MGN_12M: ret = DESC90_RATE12M; break;
case MGN_18M: ret = DESC90_RATE18M; break;
case MGN_24M: ret = DESC90_RATE24M; break;
case MGN_36M: ret = DESC90_RATE36M; break;
case MGN_48M: ret = DESC90_RATE48M; break;
case MGN_54M: ret = DESC90_RATE54M; break;
// HT rate since here
case MGN_MCS0: ret = DESC90_RATEMCS0; break;
case MGN_MCS1: ret = DESC90_RATEMCS1; break;
case MGN_MCS2: ret = DESC90_RATEMCS2; break;
case MGN_MCS3: ret = DESC90_RATEMCS3; break;
case MGN_MCS4: ret = DESC90_RATEMCS4; break;
case MGN_MCS5: ret = DESC90_RATEMCS5; break;
case MGN_MCS6: ret = DESC90_RATEMCS6; break;
case MGN_MCS7: ret = DESC90_RATEMCS7; break;
case MGN_MCS8: ret = DESC90_RATEMCS8; break;
case MGN_MCS9: ret = DESC90_RATEMCS9; break;
case MGN_MCS10: ret = DESC90_RATEMCS10; break;
case MGN_MCS11: ret = DESC90_RATEMCS11; break;
case MGN_MCS12: ret = DESC90_RATEMCS12; break;
case MGN_MCS13: ret = DESC90_RATEMCS13; break;
case MGN_MCS14: ret = DESC90_RATEMCS14; break;
case MGN_MCS15: ret = DESC90_RATEMCS15; break;
case (0x80|0x20): ret = DESC90_RATEMCS32; break;
default: break;
}
return ret;
}
static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc)
{
u8 tmp_Short;
tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0);
if(TxHT==1 && TxRate != DESC90_RATEMCS15)
tmp_Short = 0;
return tmp_Short;
}
/*
* The tx procedure is just as following,
* skb->cb will contain all the following information,
* priority, morefrag, rate, &dev.
* */
short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct rtl8192_tx_ring *ring;
unsigned long flags;
cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tx_desc_819x_pci *pdesc = NULL;
TX_FWINFO_8190PCI *pTxFwInfo = NULL;
dma_addr_t mapping;
bool multi_addr=false,broad_addr=false,uni_addr=false;
u8* pda_addr = NULL;
int idx;
mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
/* collect the tx packets statitcs */
pda_addr = ((u8*)skb->data) + sizeof(TX_FWINFO_8190PCI);
if(is_multicast_ether_addr(pda_addr))
multi_addr = true;
else if(is_broadcast_ether_addr(pda_addr))
broad_addr = true;
else
uni_addr = true;
if(uni_addr)
priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
else if(multi_addr)
priv->stats.txbytesmulticast +=(u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
else
priv->stats.txbytesbroadcast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI);
/* fill tx firmware */
pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data;
memset(pTxFwInfo,0,sizeof(TX_FWINFO_8190PCI));
pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80)?1:0;
pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate);
pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur;
pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc);
/* Aggregation related */
if(tcb_desc->bAMPDUEnable) {
pTxFwInfo->AllowAggregation = 1;
pTxFwInfo->RxMF = tcb_desc->ampdu_factor;
pTxFwInfo->RxAMD = tcb_desc->ampdu_density;
} else {
pTxFwInfo->AllowAggregation = 0;
pTxFwInfo->RxMF = 0;
pTxFwInfo->RxAMD = 0;
}
//
// Protection mode related
//
pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable)?1:0;
pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable)?1:0;
pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC)?1:0;
pTxFwInfo->RtsHT= (tcb_desc->rts_rate&0x80)?1:0;
pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate);
pTxFwInfo->RtsBandwidth = 0;
pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC;
pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT==0)?(tcb_desc->bRTSUseShortPreamble?1:0):(tcb_desc->bRTSUseShortGI?1:0);
//
// Set Bandwidth and sub-channel settings.
//
if(priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40)
{
if(tcb_desc->bPacketBW)
{
pTxFwInfo->TxBandwidth = 1;
#ifdef RTL8190P
pTxFwInfo->TxSubCarrier = 3;
#else
pTxFwInfo->TxSubCarrier = 0; //By SD3's Jerry suggestion, use duplicated mode, cosa 04012008
#endif
}
else
{
pTxFwInfo->TxBandwidth = 0;
pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC;
}
} else {
pTxFwInfo->TxBandwidth = 0;
pTxFwInfo->TxSubCarrier = 0;
}
if (0)
{
/* 2007/07/25 MH Copy current TX FW info.*/
memcpy((void*)(&Tmp_TxFwInfo), (void*)(pTxFwInfo), sizeof(TX_FWINFO_8190PCI));
printk("&&&&&&&&&&&&&&&&&&&&&&====>print out fwinf\n");
printk("===>enable fwcacl:%d\n", Tmp_TxFwInfo.EnableCPUDur);
printk("===>RTS STBC:%d\n", Tmp_TxFwInfo.RtsSTBC);
printk("===>RTS Subcarrier:%d\n", Tmp_TxFwInfo.RtsSubcarrier);
printk("===>Allow Aggregation:%d\n", Tmp_TxFwInfo.AllowAggregation);
printk("===>TX HT bit:%d\n", Tmp_TxFwInfo.TxHT);
printk("===>Tx rate:%d\n", Tmp_TxFwInfo.TxRate);
printk("===>Received AMPDU Density:%d\n", Tmp_TxFwInfo.RxAMD);
printk("===>Received MPDU Factor:%d\n", Tmp_TxFwInfo.RxMF);
printk("===>TxBandwidth:%d\n", Tmp_TxFwInfo.TxBandwidth);
printk("===>TxSubCarrier:%d\n", Tmp_TxFwInfo.TxSubCarrier);
printk("<=====**********************out of print\n");
}
spin_lock_irqsave(&priv->irq_th_lock,flags);
ring = &priv->tx_ring[tcb_desc->queue_index];
if (tcb_desc->queue_index != BEACON_QUEUE) {
idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
} else {
idx = 0;
}
pdesc = &ring->desc[idx];
if((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
RT_TRACE(COMP_ERR,"No more TX desc@%d, ring->idx = %d,idx = %d,%x", \
tcb_desc->queue_index,ring->idx, idx,skb->len);
return skb->len;
}
/* fill tx descriptor */
memset((u8*)pdesc,0,12);
/*DWORD 0*/
pdesc->LINIP = 0;
pdesc->CmdInit = 1;
pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; //We must add 8!! Emily
pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI);
/*DWORD 1*/
pdesc->SecCAMID= 0;
pdesc->RATid = tcb_desc->RATRIndex;
pdesc->NoEnc = 1;
pdesc->SecType = 0x0;
if (tcb_desc->bHwSec) {
static u8 tmp =0;
if (!tmp) {
printk("==>================hw sec\n");
tmp = 1;
}
switch (priv->ieee80211->pairwise_key_type) {
case KEY_TYPE_WEP40:
case KEY_TYPE_WEP104:
pdesc->SecType = 0x1;
pdesc->NoEnc = 0;
break;
case KEY_TYPE_TKIP:
pdesc->SecType = 0x2;
pdesc->NoEnc = 0;
break;
case KEY_TYPE_CCMP:
pdesc->SecType = 0x3;
pdesc->NoEnc = 0;
break;
case KEY_TYPE_NA:
pdesc->SecType = 0x0;
pdesc->NoEnc = 1;
break;
}
}
//
// Set Packet ID
//
pdesc->PktId = 0x0;
pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index);
pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI);
pdesc->DISFB = tcb_desc->bTxDisableRateFallBack;
pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate;
pdesc->FirstSeg =1;
pdesc->LastSeg = 1;
pdesc->TxBufferSize = skb->len;
pdesc->TxBuffAddr = cpu_to_le32(mapping);
__skb_queue_tail(&ring->queue, skb);
pdesc->OWN = 1;
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
dev->trans_start = jiffies;
write_nic_word(dev,TPPoll,0x01<<tcb_desc->queue_index);
return 0;
}
static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
rx_desc_819x_pci *entry = NULL;
int i;
priv->rx_ring = pci_alloc_consistent(priv->pdev,
sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma);
if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) {
RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n");
return -ENOMEM;
}
memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount);
priv->rx_idx = 0;
for (i = 0; i < priv->rxringcount; i++) {
struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize);
dma_addr_t *mapping;
entry = &priv->rx_ring[i];
if (!skb)
return 0;
priv->rx_buf[i] = skb;
mapping = (dma_addr_t *)skb->cb;
*mapping = pci_map_single(priv->pdev, skb->tail,//skb_tail_pointer(skb),
priv->rxbuffersize, PCI_DMA_FROMDEVICE);
entry->BufferAddress = cpu_to_le32(*mapping);
entry->Length = priv->rxbuffersize;
entry->OWN = 1;
}
entry->EOR = 1;
return 0;
}
static int rtl8192_alloc_tx_desc_ring(struct net_device *dev,
unsigned int prio, unsigned int entries)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
tx_desc_819x_pci *ring;
dma_addr_t dma;
int i;
ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma);
if (!ring || (unsigned long)ring & 0xFF) {
RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio);
return -ENOMEM;
}
memset(ring, 0, sizeof(*ring)*entries);
priv->tx_ring[prio].desc = ring;
priv->tx_ring[prio].dma = dma;
priv->tx_ring[prio].idx = 0;
priv->tx_ring[prio].entries = entries;
skb_queue_head_init(&priv->tx_ring[prio].queue);
for (i = 0; i < entries; i++)
ring[i].NextDescAddress =
cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring));
return 0;
}
static short rtl8192_pci_initdescring(struct net_device *dev)
{
u32 ret;
int i;
struct r8192_priv *priv = ieee80211_priv(dev);
ret = rtl8192_alloc_rx_desc_ring(dev);
if (ret) {
return ret;
}
/* general process for other queue */
for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
if ((ret = rtl8192_alloc_tx_desc_ring(dev, i, priv->txringcount)))
goto err_free_rings;
}
#if 0
/* specific process for hardware beacon process */
if ((ret = rtl8192_alloc_tx_desc_ring(dev, MAX_TX_QUEUE_COUNT - 1, 2)))
goto err_free_rings;
#endif
return 0;
err_free_rings:
rtl8192_free_rx_ring(dev);
for (i = 0; i < MAX_TX_QUEUE_COUNT; i++)
if (priv->tx_ring[i].desc)
rtl8192_free_tx_ring(dev, i);
return 1;
}
static void rtl8192_pci_resetdescring(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int i;
/* force the rx_idx to the first one */
if(priv->rx_ring) {
rx_desc_819x_pci *entry = NULL;
for (i = 0; i < priv->rxringcount; i++) {
entry = &priv->rx_ring[i];
entry->OWN = 1;
}
priv->rx_idx = 0;
}
/* after reset, release previous pending packet, and force the
* tx idx to the first one */
for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
if (priv->tx_ring[i].desc) {
struct rtl8192_tx_ring *ring = &priv->tx_ring[i];
while (skb_queue_len(&ring->queue)) {
tx_desc_819x_pci *entry = &ring->desc[ring->idx];
struct sk_buff *skb = __skb_dequeue(&ring->queue);
pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr),
skb->len, PCI_DMA_TODEVICE);
kfree_skb(skb);
ring->idx = (ring->idx + 1) % ring->entries;
}
ring->idx = 0;
}
}
}
#if 1
extern void rtl8192_update_ratr_table(struct net_device* dev);
static void rtl8192_link_change(struct net_device *dev)
{
// int i;
struct r8192_priv *priv = ieee80211_priv(dev);
struct ieee80211_device* ieee = priv->ieee80211;
//write_nic_word(dev, BCN_INTR_ITV, net->beacon_interval);
if (ieee->state == IEEE80211_LINKED)
{
rtl8192_net_update(dev);
rtl8192_update_ratr_table(dev);
#if 1
//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
if ((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type))
EnableHWSecurityConfig8192(dev);
#endif
}
else
{
write_nic_byte(dev, 0x173, 0);
}
/*update timing params*/
//rtl8192_set_chan(dev, priv->chan);
//MSR
rtl8192_update_msr(dev);
// 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have
// // To set CBSSID bit when link with any AP or STA.
if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC)
{
u32 reg = 0;
reg = read_nic_dword(dev, RCR);
if (priv->ieee80211->state == IEEE80211_LINKED)
priv->ReceiveConfig = reg |= RCR_CBSSID;
else
priv->ReceiveConfig = reg &= ~RCR_CBSSID;
write_nic_dword(dev, RCR, reg);
}
}
#endif
static struct ieee80211_qos_parameters def_qos_parameters = {
{3,3,3,3},/* cw_min */
{7,7,7,7},/* cw_max */
{2,2,2,2},/* aifs */
{0,0,0,0},/* flags */
{0,0,0,0} /* tx_op_limit */
};
static void rtl8192_update_beacon(struct work_struct * work)
{
struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work);
struct net_device *dev = priv->ieee80211->dev;
struct ieee80211_device* ieee = priv->ieee80211;
struct ieee80211_network* net = &ieee->current_network;
if (ieee->pHTInfo->bCurrentHTSupport)
HTUpdateSelfAndPeerSetting(ieee, net);
ieee->pHTInfo->bCurrentRT2RTLongSlotTime = net->bssht.bdRT2RTLongSlotTime;
rtl8192_update_cap(dev, net->capability);
}
/*
* background support to run QoS activate functionality
*/
static int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO};
static void rtl8192_qos_activate(struct work_struct * work)
{
struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate);
struct net_device *dev = priv->ieee80211->dev;
struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters;
u8 mode = priv->ieee80211->current_network.mode;
// u32 size = sizeof(struct ieee80211_qos_parameters);
u8 u1bAIFS;
u32 u4bAcParam;
int i;
mutex_lock(&priv->mutex);
if(priv->ieee80211->state != IEEE80211_LINKED)
goto success;
RT_TRACE(COMP_QOS,"qos active process with associate response received\n");
/* It better set slot time at first */
/* For we just support b/g mode at present, let the slot time at 9/20 selection */
/* update the ac parameter to related registers */
for(i = 0; i < QOS_QUEUE_NUM; i++) {
//Mode G/A: slotTimeTimer = 9; Mode B: 20
u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime;
u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)|
(((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
(((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
printk("===>u4bAcParam:%x, ", u4bAcParam);
write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
//write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
}
success:
mutex_unlock(&priv->mutex);
}
static int rtl8192_qos_handle_probe_response(struct r8192_priv *priv,
int active_network,
struct ieee80211_network *network)
{
int ret = 0;
u32 size = sizeof(struct ieee80211_qos_parameters);
if(priv->ieee80211->state !=IEEE80211_LINKED)
return ret;
if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
return ret;
if (network->flags & NETWORK_HAS_QOS_MASK) {
if (active_network &&
(network->flags & NETWORK_HAS_QOS_PARAMETERS))
network->qos_data.active = network->qos_data.supported;
if ((network->qos_data.active == 1) && (active_network == 1) &&
(network->flags & NETWORK_HAS_QOS_PARAMETERS) &&
(network->qos_data.old_param_count !=
network->qos_data.param_count)) {
network->qos_data.old_param_count =
network->qos_data.param_count;
queue_work(priv->priv_wq, &priv->qos_activate);
RT_TRACE (COMP_QOS, "QoS parameters change call "
"qos_activate\n");
}
} else {
memcpy(&priv->ieee80211->current_network.qos_data.parameters,\
&def_qos_parameters, size);
if ((network->qos_data.active == 1) && (active_network == 1)) {
queue_work(priv->priv_wq, &priv->qos_activate);
RT_TRACE(COMP_QOS, "QoS was disabled call qos_activate \n");
}
network->qos_data.active = 0;
network->qos_data.supported = 0;
}
return 0;
}
/* handle manage frame frame beacon and probe response */
static int rtl8192_handle_beacon(struct net_device * dev,
struct ieee80211_beacon * beacon,
struct ieee80211_network * network)
{
struct r8192_priv *priv = ieee80211_priv(dev);
rtl8192_qos_handle_probe_response(priv,1,network);
queue_delayed_work(priv->priv_wq, &priv->update_beacon_wq, 0);
return 0;
}
/*
* handling the beaconing responses. if we get different QoS setting
* off the network from the associated setting, adjust the QoS
* setting
*/
static int rtl8192_qos_association_resp(struct r8192_priv *priv,
struct ieee80211_network *network)
{
int ret = 0;
unsigned long flags;
u32 size = sizeof(struct ieee80211_qos_parameters);
int set_qos_param = 0;
if ((priv == NULL) || (network == NULL))
return ret;
if(priv->ieee80211->state !=IEEE80211_LINKED)
return ret;
if ((priv->ieee80211->iw_mode != IW_MODE_INFRA))
return ret;
spin_lock_irqsave(&priv->ieee80211->lock, flags);
if(network->flags & NETWORK_HAS_QOS_PARAMETERS) {
memcpy(&priv->ieee80211->current_network.qos_data.parameters,\
&network->qos_data.parameters,\
sizeof(struct ieee80211_qos_parameters));
priv->ieee80211->current_network.qos_data.active = 1;
#if 0
if((priv->ieee80211->current_network.qos_data.param_count != \
network->qos_data.param_count))
#endif
{
set_qos_param = 1;
/* update qos parameter for current network */
priv->ieee80211->current_network.qos_data.old_param_count = \
priv->ieee80211->current_network.qos_data.param_count;
priv->ieee80211->current_network.qos_data.param_count = \
network->qos_data.param_count;
}
} else {
memcpy(&priv->ieee80211->current_network.qos_data.parameters,\
&def_qos_parameters, size);
priv->ieee80211->current_network.qos_data.active = 0;
priv->ieee80211->current_network.qos_data.supported = 0;
set_qos_param = 1;
}
spin_unlock_irqrestore(&priv->ieee80211->lock, flags);
RT_TRACE(COMP_QOS, "%s: network->flags = %d,%d\n",__FUNCTION__,network->flags ,priv->ieee80211->current_network.qos_data.active);
if (set_qos_param == 1)
queue_work(priv->priv_wq, &priv->qos_activate);
return ret;
}
static int rtl8192_handle_assoc_response(struct net_device *dev,
struct ieee80211_assoc_response_frame *resp,
struct ieee80211_network *network)
{
struct r8192_priv *priv = ieee80211_priv(dev);
rtl8192_qos_association_resp(priv, network);
return 0;
}
//updateRATRTabel for MCS only. Basic rate is not implement.
void rtl8192_update_ratr_table(struct net_device* dev)
// POCTET_STRING posLegacyRate,
// u8* pMcsRate)
// PRT_WLAN_STA pEntry)
{
struct r8192_priv* priv = ieee80211_priv(dev);
struct ieee80211_device* ieee = priv->ieee80211;
u8* pMcsRate = ieee->dot11HTOperationalRateSet;
//struct ieee80211_network *net = &ieee->current_network;
u32 ratr_value = 0;
u8 rate_index = 0;
rtl8192_config_rate(dev, (u16*)(&ratr_value));
ratr_value |= (*(u16*)(pMcsRate)) << 12;
// switch (net->mode)
switch (ieee->mode)
{
case IEEE_A:
ratr_value &= 0x00000FF0;
break;
case IEEE_B:
ratr_value &= 0x0000000F;
break;
case IEEE_G:
ratr_value &= 0x00000FF7;
break;
case IEEE_N_24G:
case IEEE_N_5G:
if (ieee->pHTInfo->PeerMimoPs == 0) //MIMO_PS_STATIC
ratr_value &= 0x0007F007;
else{
if (priv->rf_type == RF_1T2R)
ratr_value &= 0x000FF007;
else
ratr_value &= 0x0F81F007;
}
break;
default:
break;
}
ratr_value &= 0x0FFFFFFF;
if(ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI40MHz){
ratr_value |= 0x80000000;
}else if(!ieee->pHTInfo->bCurTxBW40MHz && ieee->pHTInfo->bCurShortGI20MHz){
ratr_value |= 0x80000000;
}
write_nic_dword(dev, RATR0+rate_index*4, ratr_value);
write_nic_byte(dev, UFWP, 1);
}
static u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
{
#if 1
struct r8192_priv* priv = ieee80211_priv(dev);
struct ieee80211_device* ieee = priv->ieee80211;
int wpa_ie_len= ieee->wpa_ie_len;
struct ieee80211_crypt_data* crypt;
int encrypt;
crypt = ieee->crypt[ieee->tx_keyidx];
encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) || (ieee->host_encrypt && crypt && crypt->ops && (0 == strcmp(crypt->ops->name,"WEP")));
/* simply judge */
if(encrypt && (wpa_ie_len == 0)) {
/* wep encryption, no N mode setting */
return false;
// } else if((wpa_ie_len != 0)&&(memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) {
} else if((wpa_ie_len != 0)) {
/* parse pairwise key type */
//if((pairwisekey = WEP40)||(pairwisekey = WEP104)||(pairwisekey = TKIP))
if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) || ((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
return true;
else
return false;
} else {
//RT_TRACE(COMP_ERR,"In %s The GroupEncAlgorithm is [4]\n",__FUNCTION__ );
return true;
}
#if 0
//In here we discuss with SD4 David. He think we still can send TKIP in broadcast group key in MCS rate.
//We can't force in G mode if Pairwie key is AES and group key is TKIP
if((pSecInfo->GroupEncAlgorithm == WEP104_Encryption) || (pSecInfo->GroupEncAlgorithm == WEP40_Encryption) ||
(pSecInfo->PairwiseEncAlgorithm == WEP104_Encryption) ||
(pSecInfo->PairwiseEncAlgorithm == WEP40_Encryption) || (pSecInfo->PairwiseEncAlgorithm == TKIP_Encryption))
{
return false;
}
else
return true;
#endif
return true;
#endif
}
static void rtl8192_refresh_supportrate(struct r8192_priv* priv)
{
struct ieee80211_device* ieee = priv->ieee80211;
//we donot consider set support rate for ABG mode, only HT MCS rate is set here.
if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G)
{
memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16);
//RT_DEBUG_DATA(COMP_INIT, ieee->RegHTSuppRateSet, 16);
//RT_DEBUG_DATA(COMP_INIT, ieee->Regdot11HTOperationalRateSet, 16);
}
else
memset(ieee->Regdot11HTOperationalRateSet, 0, 16);
return;
}
static u8 rtl8192_getSupportedWireleeMode(struct net_device*dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 ret = 0;
switch(priv->rf_chip)
{
case RF_8225:
case RF_8256:
case RF_PSEUDO_11N:
ret = (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B);
break;
case RF_8258:
ret = (WIRELESS_MODE_A|WIRELESS_MODE_N_5G);
break;
default:
ret = WIRELESS_MODE_B;
break;
}
return ret;
}
static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev);
#if 1
if ((wireless_mode == WIRELESS_MODE_AUTO) || ((wireless_mode&bSupportMode)==0))
{
if(bSupportMode & WIRELESS_MODE_N_24G)
{
wireless_mode = WIRELESS_MODE_N_24G;
}
else if(bSupportMode & WIRELESS_MODE_N_5G)
{
wireless_mode = WIRELESS_MODE_N_5G;
}
else if((bSupportMode & WIRELESS_MODE_A))
{
wireless_mode = WIRELESS_MODE_A;
}
else if((bSupportMode & WIRELESS_MODE_G))
{
wireless_mode = WIRELESS_MODE_G;
}
else if((bSupportMode & WIRELESS_MODE_B))
{
wireless_mode = WIRELESS_MODE_B;
}
else{
RT_TRACE(COMP_ERR, "%s(), No valid wireless mode supported, SupportedWirelessMode(%x)!!!\n", __FUNCTION__,bSupportMode);
wireless_mode = WIRELESS_MODE_B;
}
}
#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we shoud wait for FPGA
ActUpdateChannelAccessSetting( pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting );
#endif
priv->ieee80211->mode = wireless_mode;
if ((wireless_mode == WIRELESS_MODE_N_24G) || (wireless_mode == WIRELESS_MODE_N_5G))
priv->ieee80211->pHTInfo->bEnableHT = 1;
else
priv->ieee80211->pHTInfo->bEnableHT = 0;
RT_TRACE(COMP_INIT, "Current Wireless Mode is %x\n", wireless_mode);
rtl8192_refresh_supportrate(priv);
#endif
}
//init priv variables here
static bool GetHalfNmodeSupportByAPs819xPci(struct net_device* dev)
{
bool Reval;
struct r8192_priv* priv = ieee80211_priv(dev);
struct ieee80211_device* ieee = priv->ieee80211;
if(ieee->bHalfWirelessN24GMode == true)
Reval = true;
else
Reval = false;
return Reval;
}
short rtl8192_is_tx_queue_empty(struct net_device *dev)
{
int i=0;
struct r8192_priv *priv = ieee80211_priv(dev);
for (i=0; i<=MGNT_QUEUE; i++)
{
if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) )
continue;
if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){
printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue));
return 0;
}
}
return 1;
}
static void rtl8192_hw_sleep_down(struct net_device *dev)
{
RT_TRACE(COMP_POWER, "%s()============>come to sleep down\n", __FUNCTION__);
MgntActSet_RF_State(dev, eRfSleep, RF_CHANGE_BY_PS);
}
static void rtl8192_hw_sleep_wq (struct work_struct *work)
{
// struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
// struct ieee80211_device * ieee = (struct ieee80211_device*)
// container_of(work, struct ieee80211_device, watch_dog_wq);
struct delayed_work *dwork = container_of(work,struct delayed_work,work);
struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq);
struct net_device *dev = ieee->dev;
//printk("=========>%s()\n", __FUNCTION__);
rtl8192_hw_sleep_down(dev);
}
// printk("dev is %d\n",dev);
// printk("&*&(^*(&(&=========>%s()\n", __FUNCTION__);
static void rtl8192_hw_wakeup(struct net_device* dev)
{
// u32 flags = 0;
// spin_lock_irqsave(&priv->ps_lock,flags);
RT_TRACE(COMP_POWER, "%s()============>come to wake up\n", __FUNCTION__);
MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_PS);
//FIXME: will we send package stored while nic is sleep?
// spin_unlock_irqrestore(&priv->ps_lock,flags);
}
void rtl8192_hw_wakeup_wq (struct work_struct *work)
{
// struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
// struct ieee80211_device * ieee = (struct ieee80211_device*)
// container_of(work, struct ieee80211_device, watch_dog_wq);
struct delayed_work *dwork = container_of(work,struct delayed_work,work);
struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq);
struct net_device *dev = ieee->dev;
rtl8192_hw_wakeup(dev);
}
#define MIN_SLEEP_TIME 50
#define MAX_SLEEP_TIME 10000
static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u32 rb = jiffies;
unsigned long flags;
spin_lock_irqsave(&priv->ps_lock,flags);
/* Writing HW register with 0 equals to disable
* the timer, that is not really what we want
*/
tl -= MSECS(4+16+7);
//if(tl == 0) tl = 1;
/* FIXME HACK FIXME HACK */
// force_pci_posting(dev);
//mdelay(1);
// rb = read_nic_dword(dev, TSFTR);
/* If the interval in witch we are requested to sleep is too
* short then give up and remain awake
*/
if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
spin_unlock_irqrestore(&priv->ps_lock,flags);
printk("too short to sleep\n");
return;
}
// write_nic_dword(dev, TimerInt, tl);
// rb = read_nic_dword(dev, TSFTR);
{
u32 tmp = (tl>rb)?(tl-rb):(rb-tl);
// if (tl<rb)
queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq, tmp); //as tl may be less than rb
}
/* if we suspect the TimerInt is gone beyond tl
* while setting it, then give up
*/
#if 1
if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
((tl < rb) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))) {
printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME));
spin_unlock_irqrestore(&priv->ps_lock,flags);
return;
}
#endif
// if(priv->rf_sleep)
// priv->rf_sleep(dev);
//printk("<=========%s()\n", __FUNCTION__);
queue_delayed_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_sleep_wq,0);
spin_unlock_irqrestore(&priv->ps_lock,flags);
}
static void rtl8192_init_priv_variable(struct net_device* dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 i;
priv->being_init_adapter = false;
priv->txbuffsize = 1600;//1024;
priv->txfwbuffersize = 4096;
priv->txringcount = 64;//32;
//priv->txbeaconcount = priv->txringcount;
priv->txbeaconcount = 2;
priv->rxbuffersize = 9100;//2048;//1024;
priv->rxringcount = MAX_RX_COUNT;//64;
priv->irq_enabled=0;
priv->card_8192 = NIC_8192E;
priv->rx_skb_complete = 1;
priv->chan = 1; //set to channel 1
priv->RegWirelessMode = WIRELESS_MODE_AUTO;
priv->RegChannelPlan = 0xf;
priv->nrxAMPDU_size = 0;
priv->nrxAMPDU_aggr_num = 0;
priv->last_rxdesc_tsf_high = 0;
priv->last_rxdesc_tsf_low = 0;
priv->ieee80211->mode = WIRELESS_MODE_AUTO; //SET AUTO
priv->ieee80211->iw_mode = IW_MODE_INFRA;
priv->ieee80211->ieee_up=0;
priv->retry_rts = DEFAULT_RETRY_RTS;
priv->retry_data = DEFAULT_RETRY_DATA;
priv->ieee80211->rts = DEFAULT_RTS_THRESHOLD;
priv->ieee80211->rate = 110; //11 mbps
priv->ieee80211->short_slot = 1;
priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0;
priv->bcck_in_ch14 = false;
priv->bfsync_processing = false;
priv->CCKPresentAttentuation = 0;
priv->rfa_txpowertrackingindex = 0;
priv->rfc_txpowertrackingindex = 0;
priv->CckPwEnl = 6;
priv->ScanDelay = 50;//for Scan TODO
//added by amy for silent reset
priv->ResetProgress = RESET_TYPE_NORESET;
priv->bForcedSilentReset = 0;
priv->bDisableNormalResetCheck = false;
priv->force_reset = false;
//added by amy for power save
priv->RegRfOff = 0;
priv->ieee80211->RfOffReason = 0;
priv->RFChangeInProgress = false;
priv->bHwRfOffAction = 0;
priv->SetRFPowerStateInProgress = false;
priv->ieee80211->PowerSaveControl.bInactivePs = true;
priv->ieee80211->PowerSaveControl.bIPSModeBackup = false;
//just for debug
priv->txpower_checkcnt = 0;
priv->thermal_readback_index =0;
priv->txpower_tracking_callback_cnt = 0;
priv->ccktxpower_adjustcnt_ch14 = 0;
priv->ccktxpower_adjustcnt_not_ch14 = 0;
priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL;
priv->ieee80211->iw_mode = IW_MODE_INFRA;
priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN |
IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ |
IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE;/* |
IEEE_SOFTMAC_BEACONS;*///added by amy 080604 //| //IEEE_SOFTMAC_SINGLE_QUEUE;
priv->ieee80211->active_scan = 1;
priv->ieee80211->modulation = IEEE80211_CCK_MODULATION | IEEE80211_OFDM_MODULATION;
priv->ieee80211->host_encrypt = 1;
priv->ieee80211->host_decrypt = 1;
//priv->ieee80211->start_send_beacons = NULL;//rtl819xusb_beacon_tx;//-by amy 080604
//priv->ieee80211->stop_send_beacons = NULL;//rtl8192_beacon_stop;//-by amy 080604
priv->ieee80211->start_send_beacons = rtl8192_start_beacon;//+by david 081107
priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon;//+by david 081107
priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit;
priv->ieee80211->set_chan = rtl8192_set_chan;
priv->ieee80211->link_change = rtl8192_link_change;
priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit;
priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop;
priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume;
priv->ieee80211->init_wmmparam_flag = 0;
priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc;
priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI);
priv->ieee80211->qos_support = 1;
priv->ieee80211->dot11PowerSaveMode = 0;
//added by WB
// priv->ieee80211->SwChnlByTimerHandler = rtl8192_phy_SwChnl;
priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode;
priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response;
priv->ieee80211->handle_beacon = rtl8192_handle_beacon;
priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup;
// priv->ieee80211->ps_request_tx_ack = rtl8192_rq_tx_ack;
priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep;
priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty;
//added by david
priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci;
priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode;
priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci;
//added by amy
priv->ieee80211->InitialGainHandler = InitialGain819xPci;
priv->card_type = USB;
{
priv->ShortRetryLimit = 0x30;
priv->LongRetryLimit = 0x30;
}
priv->EarlyRxThreshold = 7;
priv->enable_gpio0 = 0;
priv->TransmitConfig = 0;
priv->ReceiveConfig = RCR_ADD3 |
RCR_AMF | RCR_ADF | //accept management/data
RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC
RCR_AAP | ((u32)7<<RCR_MXDMA_OFFSET) |
((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT;
priv->irq_mask = (u32)(IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK |\
IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK |\
IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW |\
IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER);
priv->AcmControl = 0;
priv->pFirmware = (rt_firmware*)vmalloc(sizeof(rt_firmware));
if (priv->pFirmware)
memset(priv->pFirmware, 0, sizeof(rt_firmware));
/* rx related queue */
skb_queue_head_init(&priv->rx_queue);
skb_queue_head_init(&priv->skb_queue);
/* Tx related queue */
for(i = 0; i < MAX_QUEUE_SIZE; i++) {
skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]);
}
for(i = 0; i < MAX_QUEUE_SIZE; i++) {
skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]);
}
priv->rf_set_chan = rtl8192_phy_SwChnl;
}
//init lock here
static void rtl8192_init_priv_lock(struct r8192_priv* priv)
{
spin_lock_init(&priv->tx_lock);
spin_lock_init(&priv->irq_lock);//added by thomas
spin_lock_init(&priv->irq_th_lock);
spin_lock_init(&priv->rf_ps_lock);
spin_lock_init(&priv->ps_lock);
//spin_lock_init(&priv->rf_lock);
sema_init(&priv->wx_sem,1);
sema_init(&priv->rf_sem,1);
mutex_init(&priv->mutex);
}
extern void rtl819x_watchdog_wqcallback(struct work_struct *work);
void rtl8192_irq_rx_tasklet(struct r8192_priv *priv);
void rtl8192_irq_tx_tasklet(struct r8192_priv *priv);
void rtl8192_prepare_beacon(struct r8192_priv *priv);
//init tasklet and wait_queue here. only 2.6 above kernel is considered
#define DRV_NAME "wlan0"
static void rtl8192_init_priv_task(struct net_device* dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
#ifdef PF_SYNCTHREAD
priv->priv_wq = create_workqueue(DRV_NAME,0);
#else
priv->priv_wq = create_workqueue(DRV_NAME);
#endif
// INIT_WORK(&priv->reset_wq, (void(*)(void*)) rtl8192_restart);
INIT_WORK(&priv->reset_wq, rtl8192_restart);
// INIT_DELAYED_WORK(&priv->watch_dog_wq, hal_dm_watchdog);
INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback);
INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback);
INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback);
INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon);
//INIT_WORK(&priv->SwChnlWorkItem, rtl8192_SwChnl_WorkItem);
//INIT_WORK(&priv->SetBWModeWorkItem, rtl8192_SetBWModeWorkItem);
INIT_WORK(&priv->qos_activate, rtl8192_qos_activate);
INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq,(void*) rtl8192_hw_wakeup_wq);
INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq,(void*) rtl8192_hw_sleep_wq);
tasklet_init(&priv->irq_rx_tasklet,
(void(*)(unsigned long))rtl8192_irq_rx_tasklet,
(unsigned long)priv);
tasklet_init(&priv->irq_tx_tasklet,
(void(*)(unsigned long))rtl8192_irq_tx_tasklet,
(unsigned long)priv);
tasklet_init(&priv->irq_prepare_beacon_tasklet,
(void(*)(unsigned long))rtl8192_prepare_beacon,
(unsigned long)priv);
}
static void rtl8192_get_eeprom_size(struct net_device* dev)
{
u16 curCR = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__);
curCR = read_nic_dword(dev, EPROM_CMD);
RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR);
//whether need I consider BIT5?
priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46;
RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype);
}
//used to swap endian. as ntohl & htonl are not neccessary to swap endian, so use this instead.
static inline u16 endian_swap(u16* data)
{
u16 tmp = *data;
*data = (tmp >> 8) | (tmp << 8);
return *data;
}
/*
* Note: Adapter->EEPROMAddressSize should be set before this function call.
* EEPROM address size can be got through GetEEPROMSize8185()
*/
static void rtl8192_read_eeprom_info(struct net_device* dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 tempval;
#ifdef RTL8192E
u8 ICVer8192, ICVer8256;
#endif
u16 i,usValue, IC_Version;
u16 EEPROMId;
#ifdef RTL8190P
u8 offset;//, tmpAFR;
u8 EepromTxPower[100];
#endif
u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01};
RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n");
// TODO: I don't know if we need to apply EF function to EEPROM read function
//2 Read EEPROM ID to make sure autoload is success
EEPROMId = eprom_read(dev, 0);
if( EEPROMId != RTL8190_EEPROM_ID )
{
RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID);
priv->AutoloadFailFlag=true;
}
else
{
priv->AutoloadFailFlag=false;
}
//
// Assign Chip Version ID
//
// Read IC Version && Channel Plan
if(!priv->AutoloadFailFlag)
{
// VID, PID
priv->eeprom_vid = eprom_read(dev, (EEPROM_VID >> 1));
priv->eeprom_did = eprom_read(dev, (EEPROM_DID >> 1));
usValue = eprom_read(dev, (u16)(EEPROM_Customer_ID>>1)) >> 8 ;
priv->eeprom_CustomerID = (u8)( usValue & 0xff);
usValue = eprom_read(dev, (EEPROM_ICVersion_ChannelPlan>>1));
priv->eeprom_ChannelPlan = usValue&0xff;
IC_Version = ((usValue&0xff00)>>8);
#ifdef RTL8190P
priv->card_8192_version = (VERSION_8190)(IC_Version);
#else
#ifdef RTL8192E
ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut...
ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut...
RT_TRACE(COMP_INIT, "\nICVer8192 = 0x%x\n", ICVer8192);
RT_TRACE(COMP_INIT, "\nICVer8256 = 0x%x\n", ICVer8256);
if(ICVer8192 == 0x2) //B-cut
{
if(ICVer8256 == 0x5) //E-cut
priv->card_8192_version= VERSION_8190_BE;
}
#endif
#endif
switch(priv->card_8192_version)
{
case VERSION_8190_BD:
case VERSION_8190_BE:
break;
default:
priv->card_8192_version = VERSION_8190_BD;
break;
}
RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version);
}
else
{
priv->card_8192_version = VERSION_8190_BD;
priv->eeprom_vid = 0;
priv->eeprom_did = 0;
priv->eeprom_CustomerID = 0;
priv->eeprom_ChannelPlan = 0;
RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", 0xff);
}
RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid);
RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did);
RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID);
//2 Read Permanent MAC address
if(!priv->AutoloadFailFlag)
{
for(i = 0; i < 6; i += 2)
{
usValue = eprom_read(dev, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1));
*(u16*)(&dev->dev_addr[i]) = usValue;
}
} else {
// when auto load failed, the last address byte set to be a random one.
// added by david woo.2007/11/7
memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
}
RT_TRACE(COMP_INIT, "Permanent Address = %02x-%02x-%02x-%02x-%02x-%02x\n",
dev->dev_addr[0], dev->dev_addr[1],
dev->dev_addr[2], dev->dev_addr[3],
dev->dev_addr[4], dev->dev_addr[5]);
//2 TX Power Check EEPROM Fail or not
if(priv->card_8192_version > VERSION_8190_BD) {
priv->bTXPowerDataReadFromEEPORM = true;
} else {
priv->bTXPowerDataReadFromEEPORM = false;
}
// 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R
priv->rf_type = RTL819X_DEFAULT_RF_TYPE;
if(priv->card_8192_version > VERSION_8190_BD)
{
// Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate.
if(!priv->AutoloadFailFlag)
{
tempval = (eprom_read(dev, (EEPROM_RFInd_PowerDiff>>1))) & 0xff;
priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0]
if (tempval&0x80) //RF-indication, bit[7]
priv->rf_type = RF_1T2R;
else
priv->rf_type = RF_2T4R;
}
else
{
priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff;
}
RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n",
priv->EEPROMLegacyHTTxPowerDiff);
// Read ThermalMeter from EEPROM
if(!priv->AutoloadFailFlag)
{
priv->EEPROMThermalMeter = (u8)(((eprom_read(dev, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8);
}
else
{
priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter;
}
RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter);
//vivi, for tx power track
priv->TSSI_13dBm = priv->EEPROMThermalMeter *100;
if(priv->epromtype == EPROM_93c46)
{
// Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM
if(!priv->AutoloadFailFlag)
{
usValue = eprom_read(dev, (EEPROM_TxPwDiff_CrystalCap>>1));
priv->EEPROMAntPwDiff = (usValue&0x0fff);
priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12);
}
else
{
priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
}
RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
//
// Get per-channel Tx Power Level
//
for(i=0; i<14; i+=2)
{
if(!priv->AutoloadFailFlag)
{
usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) );
}
else
{
usValue = EEPROM_Default_TxPower;
}
*((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue;
RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]);
RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]);
}
for(i=0; i<14; i+=2)
{
if(!priv->AutoloadFailFlag)
{
usValue = eprom_read(dev, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) );
}
else
{
usValue = EEPROM_Default_TxPower;
}
*((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue;
RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]);
RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]);
}
}
else if(priv->epromtype== EPROM_93c56)
{
#ifdef RTL8190P
// Read CrystalCap from EEPROM
if(!priv->AutoloadFailFlag)
{
priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
priv->EEPROMCrystalCap = (u8)(((eprom_read(dev, (EEPROM_C56_CrystalCap>>1))) & 0xf000)>>12);
}
else
{
priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff;
priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap;
}
RT_TRACE(COMP_INIT,"EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff);
RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap);
// Get Tx Power Level by Channel
if(!priv->AutoloadFailFlag)
{
// Read Tx power of Channel 1 ~ 14 from EEPROM.
for(i = 0; i < 12; i+=2)
{
if (i <6)
offset = EEPROM_C56_RfA_CCK_Chnl1_TxPwIndex + i;
else
offset = EEPROM_C56_RfC_CCK_Chnl1_TxPwIndex + i - 6;
usValue = eprom_read(dev, (offset>>1));
*((u16*)(&EepromTxPower[i])) = usValue;
}
for(i = 0; i < 12; i++)
{
if (i <= 2)
priv->EEPROMRfACCKChnl1TxPwLevel[i] = EepromTxPower[i];
else if ((i >=3 )&&(i <= 5))
priv->EEPROMRfAOfdmChnlTxPwLevel[i-3] = EepromTxPower[i];
else if ((i >=6 )&&(i <= 8))
priv->EEPROMRfCCCKChnl1TxPwLevel[i-6] = EepromTxPower[i];
else
priv->EEPROMRfCOfdmChnlTxPwLevel[i-9] = EepromTxPower[i];
}
}
else
{
priv->EEPROMRfACCKChnl1TxPwLevel[0] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfACCKChnl1TxPwLevel[1] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfACCKChnl1TxPwLevel[2] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfAOfdmChnlTxPwLevel[0] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfAOfdmChnlTxPwLevel[1] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfAOfdmChnlTxPwLevel[2] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfCCCKChnl1TxPwLevel[0] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfCCCKChnl1TxPwLevel[1] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfCCCKChnl1TxPwLevel[2] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfCOfdmChnlTxPwLevel[0] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfCOfdmChnlTxPwLevel[1] = EEPROM_Default_TxPowerLevel;
priv->EEPROMRfCOfdmChnlTxPwLevel[2] = EEPROM_Default_TxPowerLevel;
}
RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[0] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[0]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[1] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[1]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfACCKChnl1TxPwLevel[2] = 0x%x\n", priv->EEPROMRfACCKChnl1TxPwLevel[2]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[0] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[0]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[1] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[1]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfAOfdmChnlTxPwLevel[2] = 0x%x\n", priv->EEPROMRfAOfdmChnlTxPwLevel[2]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[0] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[0]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[1] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[1]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfCCCKChnl1TxPwLevel[2] = 0x%x\n", priv->EEPROMRfCCCKChnl1TxPwLevel[2]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[0] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[0]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[1] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[1]);
RT_TRACE(COMP_INIT, "priv->EEPROMRfCOfdmChnlTxPwLevel[2] = 0x%x\n", priv->EEPROMRfCOfdmChnlTxPwLevel[2]);
#endif
}
//
// Update HAL variables.
//
if(priv->epromtype == EPROM_93c46)
{
for(i=0; i<14; i++)
{
priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i];
priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i];
}
priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
// Antenna B gain offset to antenna A, bit0~3
priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf);
// Antenna C gain offset to antenna A, bit4~7
priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4);
// Antenna D gain offset to antenna A, bit8~11
priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8);
// CrystalCap, bit12~15
priv->CrystalCap = priv->EEPROMCrystalCap;
// ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
}
else if(priv->epromtype == EPROM_93c56)
{
//char cck_pwr_diff_a=0, cck_pwr_diff_c=0;
//cck_pwr_diff_a = pHalData->EEPROMRfACCKChnl7TxPwLevel - pHalData->EEPROMRfAOfdmChnlTxPwLevel[1];
//cck_pwr_diff_c = pHalData->EEPROMRfCCCKChnl7TxPwLevel - pHalData->EEPROMRfCOfdmChnlTxPwLevel[1];
for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level.
{
priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0];
priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0];
priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0];
priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0];
}
for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level
{
priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1];
priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1];
priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1];
priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1];
}
for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level
{
priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2];
priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2];
priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2];
priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2];
}
for(i=0; i<14; i++)
RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]);
for(i=0; i<14; i++)
RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]);
for(i=0; i<14; i++)
RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]);
for(i=0; i<14; i++)
RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]);
priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff;
priv->AntennaTxPwDiff[0] = 0;
priv->AntennaTxPwDiff[1] = 0;
priv->AntennaTxPwDiff[2] = 0;
priv->CrystalCap = priv->EEPROMCrystalCap;
// ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2
priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf);
priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4);
}
}
if(priv->rf_type == RF_1T2R)
{
RT_TRACE(COMP_INIT, "\n1T2R config\n");
}
else if (priv->rf_type == RF_2T4R)
{
RT_TRACE(COMP_INIT, "\n2T4R config\n");
}
// 2008/01/16 MH We can only know RF type in the function. So we have to init
// DIG RATR table again.
init_rate_adaptive(dev);
//1 Make a copy for following variables and we can change them if we want
priv->rf_chip= RF_8256;
if(priv->RegChannelPlan == 0xf)
{
priv->ChannelPlan = priv->eeprom_ChannelPlan;
}
else
{
priv->ChannelPlan = priv->RegChannelPlan;
}
//
// Used PID and DID to Set CustomerID
//
if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 )
{
priv->CustomerID = RT_CID_DLINK;
}
switch(priv->eeprom_CustomerID)
{
case EEPROM_CID_DEFAULT:
priv->CustomerID = RT_CID_DEFAULT;
break;
case EEPROM_CID_CAMEO:
priv->CustomerID = RT_CID_819x_CAMEO;
break;
case EEPROM_CID_RUNTOP:
priv->CustomerID = RT_CID_819x_RUNTOP;
break;
case EEPROM_CID_NetCore:
priv->CustomerID = RT_CID_819x_Netcore;
break;
case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31
priv->CustomerID = RT_CID_TOSHIBA;
if(priv->eeprom_ChannelPlan&0x80)
priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f;
else
priv->ChannelPlan = 0x0;
RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n",
priv->ChannelPlan);
break;
case EEPROM_CID_Nettronix:
priv->ScanDelay = 100; //cosa add for scan
priv->CustomerID = RT_CID_Nettronix;
break;
case EEPROM_CID_Pronet:
priv->CustomerID = RT_CID_PRONET;
break;
case EEPROM_CID_DLINK:
priv->CustomerID = RT_CID_DLINK;
break;
case EEPROM_CID_WHQL:
//Adapter->bInHctTest = TRUE;//do not supported
//priv->bSupportTurboMode = FALSE;
//priv->bAutoTurboBy8186 = FALSE;
//pMgntInfo->PowerSaveControl.bInactivePs = FALSE;
//pMgntInfo->PowerSaveControl.bIPSModeBackup = FALSE;
//pMgntInfo->PowerSaveControl.bLeisurePs = FALSE;
break;
default:
// value from RegCustomerID
break;
}
//Avoid the channel plan array overflow, by Bruce, 2007-08-27.
if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1)
priv->ChannelPlan = 0; //FCC
switch(priv->CustomerID)
{
case RT_CID_DEFAULT:
#ifdef RTL8190P
priv->LedStrategy = HW_LED;
#else
#ifdef RTL8192E
priv->LedStrategy = SW_LED_MODE1;
#endif
#endif
break;
case RT_CID_819x_CAMEO:
priv->LedStrategy = SW_LED_MODE2;
break;
case RT_CID_819x_RUNTOP:
priv->LedStrategy = SW_LED_MODE3;
break;
case RT_CID_819x_Netcore:
priv->LedStrategy = SW_LED_MODE4;
break;
case RT_CID_Nettronix:
priv->LedStrategy = SW_LED_MODE5;
break;
case RT_CID_PRONET:
priv->LedStrategy = SW_LED_MODE6;
break;
case RT_CID_TOSHIBA: //Modify by Jacken 2008/01/31
// Do nothing.
//break;
default:
#ifdef RTL8190P
priv->LedStrategy = HW_LED;
#else
#ifdef RTL8192E
priv->LedStrategy = SW_LED_MODE1;
#endif
#endif
break;
}
/*
//2008.06.03, for WOL
if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304)
priv->ieee80211->bSupportRemoteWakeUp = TRUE;
else
priv->ieee80211->bSupportRemoteWakeUp = FALSE;
*/
RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
RT_TRACE(COMP_INIT, "ChannelPlan = %d \n", priv->ChannelPlan);
RT_TRACE(COMP_INIT, "LedStrategy = %d \n", priv->LedStrategy);
RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n");
return ;
}
static short rtl8192_get_channel_map(struct net_device * dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
#ifdef ENABLE_DOT11D
if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){
printk("rtl8180_init:Error channel plan! Set to default.\n");
priv->ChannelPlan= 0;
}
RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan);
rtl819x_set_channel_map(priv->ChannelPlan, priv);
#else
int ch,i;
//Set Default Channel Plan
if(!channels){
DMESG("No channels, aborting");
return -1;
}
ch=channels;
priv->ChannelPlan= 0;//hikaru
// set channels 1..14 allowed in given locale
for (i=1; i<=14; i++) {
(priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01);
ch >>= 1;
}
#endif
return 0;
}
static short rtl8192_init(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
memset(&(priv->stats),0,sizeof(struct Stats));
rtl8192_init_priv_variable(dev);
rtl8192_init_priv_lock(priv);
rtl8192_init_priv_task(dev);
rtl8192_get_eeprom_size(dev);
rtl8192_read_eeprom_info(dev);
rtl8192_get_channel_map(dev);
init_hal_dm(dev);
init_timer(&priv->watch_dog_timer);
priv->watch_dog_timer.data = (unsigned long)dev;
priv->watch_dog_timer.function = watch_dog_timer_callback;
#if defined(IRQF_SHARED)
if(request_irq(dev->irq, (void*)rtl8192_interrupt, IRQF_SHARED, dev->name, dev)){
#else
if(request_irq(dev->irq, (void *)rtl8192_interrupt, SA_SHIRQ, dev->name, dev)){
#endif
printk("Error allocating IRQ %d",dev->irq);
return -1;
}else{
priv->irq=dev->irq;
printk("IRQ %d",dev->irq);
}
if(rtl8192_pci_initdescring(dev)!=0){
printk("Endopoints initialization failed");
return -1;
}
//rtl8192_rx_enable(dev);
//rtl8192_adapter_start(dev);
return 0;
}
/******************************************************************************
*function: This function actually only set RRSR, RATR and BW_OPMODE registers
* not to do all the hw config as its name says
* input: net_device dev
* output: none
* return: none
* notice: This part need to modified according to the rate set we filtered
* ****************************************************************************/
static void rtl8192_hwconfig(struct net_device* dev)
{
u32 regRATR = 0, regRRSR = 0;
u8 regBwOpMode = 0, regTmp = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
// Set RRSR, RATR, and BW_OPMODE registers
//
switch(priv->ieee80211->mode)
{
case WIRELESS_MODE_B:
regBwOpMode = BW_OPMODE_20MHZ;
regRATR = RATE_ALL_CCK;
regRRSR = RATE_ALL_CCK;
break;
case WIRELESS_MODE_A:
regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ;
regRATR = RATE_ALL_OFDM_AG;
regRRSR = RATE_ALL_OFDM_AG;
break;
case WIRELESS_MODE_G:
regBwOpMode = BW_OPMODE_20MHZ;
regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
break;
case WIRELESS_MODE_AUTO:
case WIRELESS_MODE_N_24G:
// It support CCK rate by default.
// CCK rate will be filtered out only when associated AP does not support it.
regBwOpMode = BW_OPMODE_20MHZ;
regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
break;
case WIRELESS_MODE_N_5G:
regBwOpMode = BW_OPMODE_5G;
regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
regRRSR = RATE_ALL_OFDM_AG;
break;
}
write_nic_byte(dev, BW_OPMODE, regBwOpMode);
{
u32 ratr_value = 0;
ratr_value = regRATR;
if (priv->rf_type == RF_1T2R)
{
ratr_value &= ~(RATE_ALL_OFDM_2SS);
}
write_nic_dword(dev, RATR0, ratr_value);
write_nic_byte(dev, UFWP, 1);
}
regTmp = read_nic_byte(dev, 0x313);
regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff);
write_nic_dword(dev, RRSR, regRRSR);
//
// Set Retry Limit here
//
write_nic_word(dev, RETRY_LIMIT,
priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT | \
priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT);
// Set Contention Window here
// Set Tx AGC
// Set Tx Antenna including Feedback control
// Set Auto Rate fallback control
}
static RT_STATUS rtl8192_adapter_start(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
// struct ieee80211_device *ieee = priv->ieee80211;
u32 ulRegRead;
RT_STATUS rtStatus = RT_STATUS_SUCCESS;
// static char szMACPHYRegFile[] = RTL819X_PHY_MACPHY_REG;
// static char szMACPHYRegPGFile[] = RTL819X_PHY_MACPHY_REG_PG;
//u8 eRFPath;
u8 tmpvalue;
#ifdef RTL8192E
u8 ICVersion,SwitchingRegulatorOutput;
#endif
bool bfirmwareok = true;
#ifdef RTL8190P
u8 ucRegRead;
#endif
u32 tmpRegA, tmpRegC, TempCCk;
int i =0;
// u32 dwRegRead = 0;
RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__);
priv->being_init_adapter = true;
rtl8192_pci_resetdescring(dev);
// 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W.
priv->Rf_Mode = RF_OP_By_SW_3wire;
#ifdef RTL8192E
//dPLL on
if(priv->ResetProgress == RESET_TYPE_NORESET)
{
write_nic_byte(dev, ANAPAR, 0x37);
// Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms
// Joseph increae the time to prevent firmware download fail
mdelay(500);
}
#endif
//PlatformSleepUs(10000);
// For any kind of InitializeAdapter process, we shall use system now!!
priv->pFirmware->firmware_status = FW_STATUS_0_INIT;
// Set to eRfoff in order not to count receive count.
if(priv->RegRfOff == TRUE)
priv->ieee80211->eRFPowerState = eRfOff;
//
//3 //Config CPUReset Register
//3//
//3 Firmware Reset Or Not
ulRegRead = read_nic_dword(dev, CPU_GEN);
if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT)
{ //called from MPInitialized. do nothing
ulRegRead |= CPU_GEN_SYSTEM_RESET;
}else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY)
ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset
else
RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status);
#ifdef RTL8190P
//2008.06.03, for WOL 90 hw bug
ulRegRead &= (~(CPU_GEN_GPIO_UART));
#endif
write_nic_dword(dev, CPU_GEN, ulRegRead);
//mdelay(100);
#ifdef RTL8192E
//3//
//3 //Fix the issue of E-cut high temperature issue
//3//
// TODO: E cut only
ICVersion = read_nic_byte(dev, IC_VERRSION);
if(ICVersion >= 0x4) //E-cut only
{
// HW SD suggest that we should not wirte this register too often, so driver
// should readback this register. This register will be modified only when
// power on reset
SwitchingRegulatorOutput = read_nic_byte(dev, SWREGULATOR);
if(SwitchingRegulatorOutput != 0xb8)
{
write_nic_byte(dev, SWREGULATOR, 0xa8);
mdelay(1);
write_nic_byte(dev, SWREGULATOR, 0xb8);
}
}
#endif
//3//
//3// Initialize BB before MAC
//3//
RT_TRACE(COMP_INIT, "BB Config Start!\n");
rtStatus = rtl8192_BBConfig(dev);
if(rtStatus != RT_STATUS_SUCCESS)
{
RT_TRACE(COMP_ERR, "BB Config failed\n");
return rtStatus;
}
RT_TRACE(COMP_INIT,"BB Config Finished!\n");
//3//Set Loopback mode or Normal mode
//3//
//2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings
// because setting of System_Reset bit reset MAC to default transmission mode.
//Loopback mode or not
priv->LoopbackMode = RTL819X_NO_LOOPBACK;
//priv->LoopbackMode = RTL819X_MAC_LOOPBACK;
if(priv->ResetProgress == RESET_TYPE_NORESET)
{
ulRegRead = read_nic_dword(dev, CPU_GEN);
if(priv->LoopbackMode == RTL819X_NO_LOOPBACK)
{
ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET);
}
else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK )
{
ulRegRead |= CPU_CCK_LOOPBACK;
}
else
{
RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n");
}
//2008.06.03, for WOL
//ulRegRead &= (~(CPU_GEN_GPIO_UART));
write_nic_dword(dev, CPU_GEN, ulRegRead);
// 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily
udelay(500);
}
//3Set Hardware(Do nothing now)
rtl8192_hwconfig(dev);
//2=======================================================
// Common Setting for all of the FPGA platform. (part 1)
//2=======================================================
// If there is changes, please make sure it applies to all of the FPGA version
//3 Turn on Tx/Rx
write_nic_byte(dev, CMDR, CR_RE|CR_TE);
//2Set Tx dma burst
#ifdef RTL8190P
write_nic_byte(dev, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) | \
(MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) | \
(1<<MULRW_SHIFT)));
#else
#ifdef RTL8192E
write_nic_byte(dev, PCIF, ((MXDMA2_NoLimit<<MXDMA2_RX_SHIFT) |\
(MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) ));
#endif
#endif
//set IDR0 here
write_nic_dword(dev, MAC0, ((u32*)dev->dev_addr)[0]);
write_nic_word(dev, MAC4, ((u16*)(dev->dev_addr + 4))[0]);
//set RCR
write_nic_dword(dev, RCR, priv->ReceiveConfig);
//3 Initialize Number of Reserved Pages in Firmware Queue
#ifdef TO_DO_LIST
if(priv->bInHctTest)
{
PlatformEFIOWrite4Byte(Adapter, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK_DTM << RSVD_FW_QUEUE_PAGE_BK_SHIFT |\
NUM_OF_PAGE_IN_FW_QUEUE_BE_DTM << RSVD_FW_QUEUE_PAGE_BE_SHIFT | \
NUM_OF_PAGE_IN_FW_QUEUE_VI_DTM << RSVD_FW_QUEUE_PAGE_VI_SHIFT | \
NUM_OF_PAGE_IN_FW_QUEUE_VO_DTM <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
PlatformEFIOWrite4Byte(Adapter, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
PlatformEFIOWrite4Byte(Adapter, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW| \
NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|\
NUM_OF_PAGE_IN_FW_QUEUE_PUB_DTM<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
}
else
#endif
{
write_nic_dword(dev, RQPN1, NUM_OF_PAGE_IN_FW_QUEUE_BK << RSVD_FW_QUEUE_PAGE_BK_SHIFT |\
NUM_OF_PAGE_IN_FW_QUEUE_BE << RSVD_FW_QUEUE_PAGE_BE_SHIFT | \
NUM_OF_PAGE_IN_FW_QUEUE_VI << RSVD_FW_QUEUE_PAGE_VI_SHIFT | \
NUM_OF_PAGE_IN_FW_QUEUE_VO <<RSVD_FW_QUEUE_PAGE_VO_SHIFT);
write_nic_dword(dev, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT);
write_nic_dword(dev, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW| \
NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT|\
NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT);
}
rtl8192_tx_enable(dev);
rtl8192_rx_enable(dev);
//3Set Response Rate Setting Register
// CCK rate is supported by default.
// CCK rate will be filtered out only when associated AP does not support it.
ulRegRead = (0xFFF00000 & read_nic_dword(dev, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK;
write_nic_dword(dev, RRSR, ulRegRead);
write_nic_dword(dev, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK));
//2Set AckTimeout
// TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily
write_nic_byte(dev, ACK_TIMEOUT, 0x30);
//rtl8192_actset_wirelessmode(dev,priv->RegWirelessMode);
if(priv->ResetProgress == RESET_TYPE_NORESET)
rtl8192_SetWirelessMode(dev, priv->ieee80211->mode);
//-----------------------------------------------------------------------------
// Set up security related. 070106, by rcnjko:
// 1. Clear all H/W keys.
// 2. Enable H/W encryption/decryption.
//-----------------------------------------------------------------------------
CamResetAllEntry(dev);
{
u8 SECR_value = 0x0;
SECR_value |= SCR_TxEncEnable;
SECR_value |= SCR_RxDecEnable;
SECR_value |= SCR_NoSKMC;
write_nic_byte(dev, SECR, SECR_value);
}
//3Beacon related
write_nic_word(dev, ATIMWND, 2);
write_nic_word(dev, BCN_INTERVAL, 100);
for (i=0; i<QOS_QUEUE_NUM; i++)
write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
//
// Switching regulator controller: This is set temporarily.
// It's not sure if this can be removed in the future.
// PJ advised to leave it by default.
//
write_nic_byte(dev, 0xbe, 0xc0);
//2=======================================================
// Set PHY related configuration defined in MAC register bank
//2=======================================================
rtl8192_phy_configmac(dev);
if (priv->card_8192_version > (u8) VERSION_8190_BD) {
rtl8192_phy_getTxPower(dev);
rtl8192_phy_setTxPower(dev, priv->chan);
}
//if D or C cut
tmpvalue = read_nic_byte(dev, IC_VERRSION);
priv->IC_Cut = tmpvalue;
RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut);
if(priv->IC_Cut >= IC_VersionCut_D)
{
//pHalData->bDcut = TRUE;
if(priv->IC_Cut == IC_VersionCut_D)
RT_TRACE(COMP_INIT, "D-cut\n");
if(priv->IC_Cut == IC_VersionCut_E)
{
RT_TRACE(COMP_INIT, "E-cut\n");
// HW SD suggest that we should not wirte this register too often, so driver
// should readback this register. This register will be modified only when
// power on reset
}
}
else
{
//pHalData->bDcut = FALSE;
RT_TRACE(COMP_INIT, "Before C-cut\n");
}
#if 1
//Firmware download
RT_TRACE(COMP_INIT, "Load Firmware!\n");
bfirmwareok = init_firmware(dev);
if(bfirmwareok != true) {
rtStatus = RT_STATUS_FAILURE;
return rtStatus;
}
RT_TRACE(COMP_INIT, "Load Firmware finished!\n");
#endif
//RF config
if(priv->ResetProgress == RESET_TYPE_NORESET)
{
RT_TRACE(COMP_INIT, "RF Config Started!\n");
rtStatus = rtl8192_phy_RFConfig(dev);
if(rtStatus != RT_STATUS_SUCCESS)
{
RT_TRACE(COMP_ERR, "RF Config failed\n");
return rtStatus;
}
RT_TRACE(COMP_INIT, "RF Config Finished!\n");
}
rtl8192_phy_updateInitGain(dev);
/*---- Set CCK and OFDM Block "ON"----*/
rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1);
rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1);
#ifdef RTL8192E
//Enable Led
write_nic_byte(dev, 0x87, 0x0);
#endif
#ifdef RTL8190P
//2008.06.03, for WOL
ucRegRead = read_nic_byte(dev, GPE);
ucRegRead |= BIT0;
write_nic_byte(dev, GPE, ucRegRead);
ucRegRead = read_nic_byte(dev, GPO);
ucRegRead &= ~BIT0;
write_nic_byte(dev, GPO, ucRegRead);
#endif
//2=======================================================
// RF Power Save
//2=======================================================
#ifdef ENABLE_IPS
{
if(priv->RegRfOff == TRUE)
{ // User disable RF via registry.
RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RegRfOff ----------\n",__FUNCTION__);
MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_SW);
#if 0//cosa, ask SD3 willis and he doesn't know what is this for
// Those action will be discard in MgntActSet_RF_State because off the same state
for(eRFPath = 0; eRFPath <pHalData->NumTotalRFPath; eRFPath++)
PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x0);
#endif
}
else if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
{ // H/W or S/W RF OFF before sleep.
RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d) ----------\n", __FUNCTION__,priv->ieee80211->RfOffReason);
MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason);
}
else if(priv->ieee80211->RfOffReason >= RF_CHANGE_BY_IPS)
{ // H/W or S/W RF OFF before sleep.
RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d) ----------\n", __FUNCTION__,priv->ieee80211->RfOffReason);
MgntActSet_RF_State(dev, eRfOff, priv->ieee80211->RfOffReason);
}
else
{
RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__);
priv->ieee80211->eRFPowerState = eRfOn;
priv->ieee80211->RfOffReason = 0;
//DrvIFIndicateCurrentPhyStatus(Adapter);
// LED control
//Adapter->HalFunc.LedControlHandler(Adapter, LED_CTL_POWER_ON);
//
// If inactive power mode is enabled, disable rf while in disconnected state.
// But we should still tell upper layer we are in rf on state.
// 2007.07.16, by shien chang.
//
//if(!Adapter->bInHctTest)
//IPSEnter(Adapter);
}
}
#endif
if(1){
#ifdef RTL8192E
// We can force firmware to do RF-R/W
if(priv->ieee80211->FwRWRF)
priv->Rf_Mode = RF_OP_By_FW;
else
priv->Rf_Mode = RF_OP_By_SW_3wire;
#else
priv->Rf_Mode = RF_OP_By_SW_3wire;
#endif
}
#ifdef RTL8190P
if(priv->ResetProgress == RESET_TYPE_NORESET)
{
dm_initialize_txpower_tracking(dev);
tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord);
tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord);
if(priv->rf_type == RF_2T4R){
for(i = 0; i<TxBBGainTableLength; i++)
{
if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
{
priv->rfa_txpowertrackingindex= (u8)i;
priv->rfa_txpowertrackingindex_real= (u8)i;
priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
break;
}
}
}
for(i = 0; i<TxBBGainTableLength; i++)
{
if(tmpRegC == priv->txbbgain_table[i].txbbgain_value)
{
priv->rfc_txpowertrackingindex= (u8)i;
priv->rfc_txpowertrackingindex_real= (u8)i;
priv->rfc_txpowertracking_default = priv->rfc_txpowertrackingindex;
break;
}
}
TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
for(i=0 ; i<CCKTxBBGainTableLength ; i++)
{
if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
{
priv->CCKPresentAttentuation_20Mdefault =(u8) i;
break;
}
}
priv->CCKPresentAttentuation_40Mdefault = 0;
priv->CCKPresentAttentuation_difference = 0;
priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
RT_TRACE(COMP_POWER_TRACKING, "priv->rfc_txpowertrackingindex_initial = %d\n", priv->rfc_txpowertrackingindex);
RT_TRACE(COMP_POWER_TRACKING, "priv->rfc_txpowertrackingindex_real_initial = %d\n", priv->rfc_txpowertrackingindex_real);
RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
}
#else
#ifdef RTL8192E
if(priv->ResetProgress == RESET_TYPE_NORESET)
{
dm_initialize_txpower_tracking(dev);
if(priv->IC_Cut >= IC_VersionCut_D)
{
tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord);
tmpRegC= rtl8192_QueryBBReg(dev,rOFDM0_XCTxIQImbalance,bMaskDWord);
for(i = 0; i<TxBBGainTableLength; i++)
{
if(tmpRegA == priv->txbbgain_table[i].txbbgain_value)
{
priv->rfa_txpowertrackingindex= (u8)i;
priv->rfa_txpowertrackingindex_real= (u8)i;
priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex;
break;
}
}
TempCCk = rtl8192_QueryBBReg(dev, rCCK0_TxFilter1, bMaskByte2);
for(i=0 ; i<CCKTxBBGainTableLength ; i++)
{
if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0])
{
priv->CCKPresentAttentuation_20Mdefault =(u8) i;
break;
}
}
priv->CCKPresentAttentuation_40Mdefault = 0;
priv->CCKPresentAttentuation_difference = 0;
priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault;
RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex);
RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real);
RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference);
RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation);
priv->btxpower_tracking = FALSE;//TEMPLY DISABLE
}
}
#endif
#endif
rtl8192_irq_enable(dev);
priv->being_init_adapter = false;
return rtStatus;
}
void rtl8192_prepare_beacon(struct r8192_priv *priv)
{
struct sk_buff *skb;
//unsigned long flags;
cb_desc *tcb_desc;
skb = ieee80211_get_beacon(priv->ieee80211);
tcb_desc = (cb_desc *)(skb->cb + 8);
//printk("===========> %s\n", __FUNCTION__);
//spin_lock_irqsave(&priv->tx_lock,flags);
/* prepare misc info for the beacon xmit */
tcb_desc->queue_index = BEACON_QUEUE;
/* IBSS does not support HT yet, use 1M defaultly */
tcb_desc->data_rate = 2;
tcb_desc->RATRIndex = 7;
tcb_desc->bTxDisableRateFallBack = 1;
tcb_desc->bTxUseDriverAssingedRate = 1;
skb_push(skb, priv->ieee80211->tx_headroom);
if(skb){
rtl8192_tx(priv->ieee80211->dev,skb);
}
//spin_unlock_irqrestore (&priv->tx_lock, flags);
}
/* this configures registers for beacon tx and enables it via
* rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might
* be used to stop beacon transmission
*/
void rtl8192_start_beacon(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct ieee80211_network *net = &priv->ieee80211->current_network;
u16 BcnTimeCfg = 0;
u16 BcnCW = 6;
u16 BcnIFS = 0xf;
DMESG("Enabling beacon TX");
//rtl8192_prepare_beacon(dev);
rtl8192_irq_disable(dev);
//rtl8192_beacon_tx_enable(dev);
/* ATIM window */
write_nic_word(dev, ATIMWND, 2);
/* Beacon interval (in unit of TU) */
write_nic_word(dev, BCN_INTERVAL, net->beacon_interval);
/*
* DrvErlyInt (in unit of TU).
* (Time to send interrupt to notify driver to c
* hange beacon content)
* */
write_nic_word(dev, BCN_DRV_EARLY_INT, 10);
/*
* BcnDMATIM(in unit of us).
* Indicates the time before TBTT to perform beacon queue DMA
* */
write_nic_word(dev, BCN_DMATIME, 256);
/*
* Force beacon frame transmission even after receiving
* beacon frame from other ad hoc STA
* */
write_nic_byte(dev, BCN_ERR_THRESH, 100);
/* Set CW and IFS */
BcnTimeCfg |= BcnCW<<BCN_TCFG_CW_SHIFT;
BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS;
write_nic_word(dev, BCN_TCFG, BcnTimeCfg);
/* enable the interrupt for ad-hoc process */
rtl8192_irq_enable(dev);
}
/***************************************************************************
-------------------------------NET STUFF---------------------------
***************************************************************************/
static bool HalTxCheckStuck8190Pci(struct net_device *dev)
{
u16 RegTxCounter = read_nic_word(dev, 0x128);
struct r8192_priv *priv = ieee80211_priv(dev);
bool bStuck = FALSE;
RT_TRACE(COMP_RESET,"%s():RegTxCounter is %d,TxCounter is %d\n",__FUNCTION__,RegTxCounter,priv->TxCounter);
if(priv->TxCounter==RegTxCounter)
bStuck = TRUE;
priv->TxCounter = RegTxCounter;
return bStuck;
}
/*
* <Assumption: RT_TX_SPINLOCK is acquired.>
* First added: 2006.11.19 by emily
*/
static RESET_TYPE
TxCheckStuck(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 QueueID;
ptx_ring head=NULL,tail=NULL,txring = NULL;
u8 ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
bool bCheckFwTxCnt = false;
//unsigned long flags;
//
// Decide Stuch threshold according to current power save mode
//
//printk("++++++++++++>%s()\n",__FUNCTION__);
switch (priv->ieee80211->dot11PowerSaveMode)
{
// The threshold value may required to be adjusted .
case eActive: // Active/Continuous access.
ResetThreshold = NIC_SEND_HANG_THRESHOLD_NORMAL;
break;
case eMaxPs: // Max power save mode.
ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
break;
case eFastPs: // Fast power save mode.
ResetThreshold = NIC_SEND_HANG_THRESHOLD_POWERSAVE;
break;
}
//
// Check whether specific tcb has been queued for a specific time
//
for(QueueID = 0; QueueID < MAX_TX_QUEUE; QueueID++)
{
if(QueueID == TXCMD_QUEUE)
continue;
switch(QueueID) {
case MGNT_QUEUE:
tail=priv->txmapringtail;
head=priv->txmapringhead;
break;
case BK_QUEUE:
tail=priv->txbkpringtail;
head=priv->txbkpringhead;
break;
case BE_QUEUE:
tail=priv->txbepringtail;
head=priv->txbepringhead;
break;
case VI_QUEUE:
tail=priv->txvipringtail;
head=priv->txvipringhead;
break;
case VO_QUEUE:
tail=priv->txvopringtail;
head=priv->txvopringhead;
break;
default:
tail=head=NULL;
break;
}
if(tail == head)
continue;
else
{
txring = head;
if(txring == NULL)
{
RT_TRACE(COMP_ERR,"%s():txring is NULL , BUG!\n",__FUNCTION__);
continue;
}
txring->nStuckCount++;
bCheckFwTxCnt = TRUE;
}
}
#if 1
if(bCheckFwTxCnt)
{
if(HalTxCheckStuck8190Pci(dev))
{
RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n");
return RESET_TYPE_SILENT;
}
}
#endif
return RESET_TYPE_NORESET;
}
static bool HalRxCheckStuck8190Pci(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u16 RegRxCounter = read_nic_word(dev, 0x130);
bool bStuck = FALSE;
static u8 rx_chk_cnt = 0;
RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter);
// If rssi is small, we should check rx for long time because of bad rx.
// or maybe it will continuous silent reset every 2 seconds.
rx_chk_cnt++;
if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5))
{
rx_chk_cnt = 0; //high rssi, check rx stuck right now.
}
else if(priv->undecorated_smoothed_pwdb < (RateAdaptiveTH_High+5) &&
((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_40M) ||
(priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb>=RateAdaptiveTH_Low_20M)) )
{
if(rx_chk_cnt < 2)
{
return bStuck;
}
else
{
rx_chk_cnt = 0;
}
}
else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_40M) ||
(priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) &&
priv->undecorated_smoothed_pwdb >= VeryLowRSSI)
{
if(rx_chk_cnt < 4)
{
//DbgPrint("RSSI < %d && RSSI >= %d, no check this time \n", RateAdaptiveTH_Low, VeryLowRSSI);
return bStuck;
}
else
{
rx_chk_cnt = 0;
//DbgPrint("RSSI < %d && RSSI >= %d, check this time \n", RateAdaptiveTH_Low, VeryLowRSSI);
}
}
else
{
if(rx_chk_cnt < 8)
{
//DbgPrint("RSSI <= %d, no check this time \n", VeryLowRSSI);
return bStuck;
}
else
{
rx_chk_cnt = 0;
//DbgPrint("RSSI <= %d, check this time \n", VeryLowRSSI);
}
}
if(priv->RxCounter==RegRxCounter)
bStuck = TRUE;
priv->RxCounter = RegRxCounter;
return bStuck;
}
static RESET_TYPE RxCheckStuck(struct net_device *dev)
{
if(HalRxCheckStuck8190Pci(dev))
{
RT_TRACE(COMP_RESET, "RxStuck Condition\n");
return RESET_TYPE_SILENT;
}
return RESET_TYPE_NORESET;
}
static RESET_TYPE
rtl819x_ifcheck_resetornot(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
RESET_TYPE TxResetType = RESET_TYPE_NORESET;
RESET_TYPE RxResetType = RESET_TYPE_NORESET;
RT_RF_POWER_STATE rfState;
rfState = priv->ieee80211->eRFPowerState;
TxResetType = TxCheckStuck(dev);
#if 1
if( rfState != eRfOff &&
/*ADAPTER_TEST_STATUS_FLAG(Adapter, ADAPTER_STATUS_FW_DOWNLOAD_FAILURE)) &&*/
(priv->ieee80211->iw_mode != IW_MODE_ADHOC))
{
// If driver is in the status of firmware download failure , driver skips RF initialization and RF is
// in turned off state. Driver should check whether Rx stuck and do silent reset. And
// if driver is in firmware download failure status, driver should initialize RF in the following
// silent reset procedure Emily, 2008.01.21
// Driver should not check RX stuck in IBSS mode because it is required to
// set Check BSSID in order to send beacon, however, if check BSSID is
// set, STA cannot hear any packet a all. Emily, 2008.04.12
RxResetType = RxCheckStuck(dev);
}
#endif
RT_TRACE(COMP_RESET,"%s(): TxResetType is %d, RxResetType is %d\n",__FUNCTION__,TxResetType,RxResetType);
if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL)
return RESET_TYPE_NORMAL;
else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT)
return RESET_TYPE_SILENT;
else
return RESET_TYPE_NORESET;
}
static void CamRestoreAllEntry(struct net_device *dev)
{
u8 EntryId = 0;
struct r8192_priv *priv = ieee80211_priv(dev);
u8* MacAddr = priv->ieee80211->current_network.bssid;
static u8 CAM_CONST_ADDR[4][6] = {
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
{0x00, 0x00, 0x00, 0x00, 0x00, 0x03}};
static u8 CAM_CONST_BROAD[] =
{0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
RT_TRACE(COMP_SEC, "CamRestoreAllEntry: \n");
if ((priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP40)||
(priv->ieee80211->pairwise_key_type == KEY_TYPE_WEP104))
{
for(EntryId=0; EntryId<4; EntryId++)
{
{
MacAddr = CAM_CONST_ADDR[EntryId];
setKey(dev,
EntryId ,
EntryId,
priv->ieee80211->pairwise_key_type,
MacAddr,
0,
NULL);
}
}
}
else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_TKIP)
{
{
if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
setKey(dev,
4,
0,
priv->ieee80211->pairwise_key_type,
(u8*)dev->dev_addr,
0,
NULL);
else
setKey(dev,
4,
0,
priv->ieee80211->pairwise_key_type,
MacAddr,
0,
NULL);
}
}
else if(priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP)
{
{
if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
setKey(dev,
4,
0,
priv->ieee80211->pairwise_key_type,
(u8*)dev->dev_addr,
0,
NULL);
else
setKey(dev,
4,
0,
priv->ieee80211->pairwise_key_type,
MacAddr,
0,
NULL);
}
}
if(priv->ieee80211->group_key_type == KEY_TYPE_TKIP)
{
MacAddr = CAM_CONST_BROAD;
for(EntryId=1 ; EntryId<4 ; EntryId++)
{
{
setKey(dev,
EntryId,
EntryId,
priv->ieee80211->group_key_type,
MacAddr,
0,
NULL);
}
}
if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
setKey(dev,
0,
0,
priv->ieee80211->group_key_type,
CAM_CONST_ADDR[0],
0,
NULL);
}
else if(priv->ieee80211->group_key_type == KEY_TYPE_CCMP)
{
MacAddr = CAM_CONST_BROAD;
for(EntryId=1; EntryId<4 ; EntryId++)
{
{
setKey(dev,
EntryId ,
EntryId,
priv->ieee80211->group_key_type,
MacAddr,
0,
NULL);
}
}
if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
setKey(dev,
0 ,
0,
priv->ieee80211->group_key_type,
CAM_CONST_ADDR[0],
0,
NULL);
}
}
void rtl8192_cancel_deferred_work(struct r8192_priv* priv);
int _rtl8192_up(struct net_device *dev);
/*
* This function is used to fix Tx/Rx stop bug temporarily.
* This function will do "system reset" to NIC when Tx or Rx is stuck.
* The method checking Tx/Rx stuck of this function is supported by FW,
* which reports Tx and Rx counter to register 0x128 and 0x130.
* */
static void rtl819x_ifsilentreset(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
u8 reset_times = 0;
int reset_status = 0;
struct ieee80211_device *ieee = priv->ieee80211;
// 2007.07.20. If we need to check CCK stop, please uncomment this line.
//bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter);
if(priv->ResetProgress==RESET_TYPE_NORESET)
{
RESET_START:
RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");
// Set the variable for reset.
priv->ResetProgress = RESET_TYPE_SILENT;
// rtl8192_close(dev);
#if 1
down(&priv->wx_sem);
if(priv->up == 0)
{
RT_TRACE(COMP_ERR,"%s():the driver is not up! return\n",__FUNCTION__);
up(&priv->wx_sem);
return ;
}
priv->up = 0;
RT_TRACE(COMP_RESET,"%s():======>start to down the driver\n",__FUNCTION__);
if(!netif_queue_stopped(dev))
netif_stop_queue(dev);
dm_backup_dynamic_mechanism_state(dev);
rtl8192_irq_disable(dev);
rtl8192_cancel_deferred_work(priv);
deinit_hal_dm(dev);
del_timer_sync(&priv->watch_dog_timer);
ieee->sync_scan_hurryup = 1;
if(ieee->state == IEEE80211_LINKED)
{
down(&ieee->wx_sem);
printk("ieee->state is IEEE80211_LINKED\n");
ieee80211_stop_send_beacons(priv->ieee80211);
del_timer_sync(&ieee->associate_timer);
cancel_delayed_work(&ieee->associate_retry_wq);
ieee80211_stop_scan(ieee);
netif_carrier_off(dev);
up(&ieee->wx_sem);
}
else{
printk("ieee->state is NOT LINKED\n");
ieee80211_softmac_stop_protocol(priv->ieee80211);
}
rtl8192_rtx_disable(dev);
up(&priv->wx_sem);
RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__FUNCTION__);
RT_TRACE(COMP_RESET,"%s():===========>start to up the driver\n",__FUNCTION__);
reset_status = _rtl8192_up(dev);
RT_TRACE(COMP_RESET,"%s():<===========up process is finished\n",__FUNCTION__);
if(reset_status == -1)
{
if(reset_times < 3)
{
reset_times++;
goto RESET_START;
}
else
{
RT_TRACE(COMP_ERR," ERR!!! %s(): Reset Failed!!\n",__FUNCTION__);
}
}
#endif
ieee->is_silent_reset = 1;
#if 1
EnableHWSecurityConfig8192(dev);
#if 1
if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
{
ieee->set_chan(ieee->dev, ieee->current_network.channel);
#if 1
queue_work(ieee->wq, &ieee->associate_complete_wq);
#endif
}
else if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_ADHOC)
{
ieee->set_chan(ieee->dev, ieee->current_network.channel);
ieee->link_change(ieee->dev);
// notify_wx_assoc_event(ieee);
ieee80211_start_send_beacons(ieee);
if (ieee->data_hard_resume)
ieee->data_hard_resume(ieee->dev);
netif_carrier_on(ieee->dev);
}
#endif
CamRestoreAllEntry(dev);
// Restore the previous setting for all dynamic mechanism
dm_restore_dynamic_mechanism_state(dev);
priv->ResetProgress = RESET_TYPE_NORESET;
priv->reset_count++;
priv->bForcedSilentReset =false;
priv->bResetInProgress = false;
// For test --> force write UFWP.
write_nic_byte(dev, UFWP, 1);
RT_TRACE(COMP_RESET, "Reset finished!! ====>[%d]\n", priv->reset_count);
#endif
}
}
#ifdef ENABLE_IPS
void InactivePsWorkItemCallback(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
//u8 index = 0;
RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() ---------> \n");
//
// This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
// is really scheduled.
// The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
// previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
// blocks the IPS procedure of switching RF.
// By Bruce, 2007-12-25.
//
pPSC->bSwRfProcessing = TRUE;
RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n", \
pPSC->eInactivePowerState == eRfOff?"OFF":"ON");
MgntActSet_RF_State(dev, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS);
//
// To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20.
//
pPSC->bSwRfProcessing = FALSE;
RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <--------- \n");
}
//
// Description:
// Enter the inactive power save mode. RF will be off
// 2007.08.17, by shien chang.
//
void
IPSEnter(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
RT_RF_POWER_STATE rtState;
if (pPSC->bInactivePs)
{
rtState = priv->ieee80211->eRFPowerState;
//
// Added by Bruce, 2007-12-25.
// Do not enter IPS in the following conditions:
// (1) RF is already OFF or Sleep
// (2) bSwRfProcessing (indicates the IPS is still under going)
// (3) Connectted (only disconnected can trigger IPS)
// (4) IBSS (send Beacon)
// (5) AP mode (send Beacon)
//
if (rtState == eRfOn && !pPSC->bSwRfProcessing
&& (priv->ieee80211->state != IEEE80211_LINKED) )
{
RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
pPSC->eInactivePowerState = eRfOff;
// queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
InactivePsWorkItemCallback(dev);
}
}
}
//
// Description:
// Leave the inactive power save mode, RF will be on.
// 2007.08.17, by shien chang.
//
void
IPSLeave(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
RT_RF_POWER_STATE rtState;
if (pPSC->bInactivePs)
{
rtState = priv->ieee80211->eRFPowerState;
if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->ieee80211->RfOffReason <= RF_CHANGE_BY_IPS)
{
RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
pPSC->eInactivePowerState = eRfOn;
// queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
InactivePsWorkItemCallback(dev);
}
}
}
#endif
static void rtl819x_update_rxcounts(
struct r8192_priv *priv,
u32* TotalRxBcnNum,
u32* TotalRxDataNum
)
{
u16 SlotIndex;
u8 i;
*TotalRxBcnNum = 0;
*TotalRxDataNum = 0;
SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum);
priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod;
priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod;
for( i=0; i<priv->ieee80211->LinkDetectInfo.SlotNum; i++ ){
*TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i];
*TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i];
}
}
void rtl819x_watchdog_wqcallback(struct work_struct *work)
{
struct delayed_work *dwork = container_of(work,struct delayed_work,work);
struct r8192_priv *priv = container_of(dwork,struct r8192_priv,watch_dog_wq);
struct net_device *dev = priv->ieee80211->dev;
struct ieee80211_device* ieee = priv->ieee80211;
RESET_TYPE ResetType = RESET_TYPE_NORESET;
static u8 check_reset_cnt=0;
unsigned long flags;
bool bBusyTraffic = false;
static u8 last_time = 0;
if(!priv->up)
return;
hal_dm_watchdog(dev);
#ifdef ENABLE_IPS
// printk("watch_dog ENABLE_IPS\n");
if(ieee->actscanning == false){
if((ieee->iw_mode != IW_MODE_ADHOC) && (ieee->state == IEEE80211_NOLINK) && (ieee->beinretry == false) && (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key){
if(ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
printk("====================>haha:IPSEnter()\n");
IPSEnter(dev);
//ieee80211_stop_scan(priv->ieee80211);
}
}
}
#endif
{//to get busy traffic condition
if(ieee->state == IEEE80211_LINKED)
{
if( ieee->LinkDetectInfo.NumRxOkInPeriod> 666 ||
ieee->LinkDetectInfo.NumTxOkInPeriod> 666 ) {
bBusyTraffic = true;
}
}
ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
}
//added by amy for AP roaming
if (1)
{
if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA)
{
u32 TotalRxBcnNum = 0;
u32 TotalRxDataNum = 0;
rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum);
if((TotalRxBcnNum+TotalRxDataNum) == 0)
{
if( ieee->eRFPowerState == eRfOff)
RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
// Dot11d_Reset(dev);
ieee->state = IEEE80211_ASSOCIATING;
notify_wx_assoc_event(priv->ieee80211);
RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
ieee->is_roaming = true;
ieee->is_set_key = false;
ieee->link_change(dev);
queue_work(ieee->wq, &ieee->associate_procedure_wq);
}
}
ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
}
//check if reset the driver
spin_lock_irqsave(&priv->tx_lock,flags);
if(check_reset_cnt++ >= 3 && !ieee->is_roaming && (last_time != 1))
{
ResetType = rtl819x_ifcheck_resetornot(dev);
check_reset_cnt = 3;
//DbgPrint("Start to check silent reset\n");
}
spin_unlock_irqrestore(&priv->tx_lock,flags);
if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL)
{
priv->ResetProgress = RESET_TYPE_NORMAL;
RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__);
return;
}
/* disable silent reset temply 2008.9.11*/
#if 1
if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo
{
last_time = 1;
rtl819x_ifsilentreset(dev);
}
else
last_time = 0;
#endif
priv->force_reset = false;
priv->bForcedSilentReset = false;
priv->bResetInProgress = false;
RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
}
void watch_dog_timer_callback(unsigned long data)
{
struct r8192_priv *priv = ieee80211_priv((struct net_device *) data);
queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0);
mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME));
}
int _rtl8192_up(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
//int i;
RT_STATUS init_status = RT_STATUS_SUCCESS;
priv->up=1;
priv->ieee80211->ieee_up=1;
RT_TRACE(COMP_INIT, "Bringing up iface");
init_status = rtl8192_adapter_start(dev);
if(init_status != RT_STATUS_SUCCESS)
{
RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
return -1;
}
RT_TRACE(COMP_INIT, "start adapter finished\n");
#ifdef RTL8192E
if(priv->ieee80211->eRFPowerState!=eRfOn)
MgntActSet_RF_State(dev, eRfOn, priv->ieee80211->RfOffReason);
#endif
if(priv->ieee80211->state != IEEE80211_LINKED)
ieee80211_softmac_start_protocol(priv->ieee80211);
ieee80211_reset_queue(priv->ieee80211);
watch_dog_timer_callback((unsigned long) dev);
if(!netif_queue_stopped(dev))
netif_start_queue(dev);
else
netif_wake_queue(dev);
return 0;
}
static int rtl8192_open(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
down(&priv->wx_sem);
ret = rtl8192_up(dev);
up(&priv->wx_sem);
return ret;
}
int rtl8192_up(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->up == 1) return -1;
return _rtl8192_up(dev);
}
static int rtl8192_close(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
int ret;
down(&priv->wx_sem);
ret = rtl8192_down(dev);
up(&priv->wx_sem);
return ret;
}
int rtl8192_down(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
// int i;
#if 0
u8 ucRegRead;
u32 ulRegRead;
#endif
if (priv->up == 0) return -1;
priv->up=0;
priv->ieee80211->ieee_up = 0;
RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
/* FIXME */
if (!netif_queue_stopped(dev))
netif_stop_queue(dev);
rtl8192_irq_disable(dev);
#if 0
if(!priv->ieee80211->bSupportRemoteWakeUp) {
MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_INIT);
// 2006.11.30. System reset bit
ulRegRead = read_nic_dword(dev, CPU_GEN);
ulRegRead|=CPU_GEN_SYSTEM_RESET;
write_nic_dword(dev, CPU_GEN, ulRegRead);
} else {
//2008.06.03 for WOL
write_nic_dword(dev, WFCRC0, 0xffffffff);
write_nic_dword(dev, WFCRC1, 0xffffffff);
write_nic_dword(dev, WFCRC2, 0xffffffff);
#ifdef RTL8190P
//GPIO 0 = TRUE
ucRegRead = read_nic_byte(dev, GPO);
ucRegRead |= BIT0;
write_nic_byte(dev, GPO, ucRegRead);
#endif
//Write PMR register
write_nic_byte(dev, PMR, 0x5);
//Disable tx, enanble rx
write_nic_byte(dev, MacBlkCtrl, 0xa);
}
#endif
// flush_scheduled_work();
rtl8192_cancel_deferred_work(priv);
deinit_hal_dm(dev);
del_timer_sync(&priv->watch_dog_timer);
ieee80211_softmac_stop_protocol(priv->ieee80211);
#ifdef ENABLE_IPS
MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_INIT);
#endif
rtl8192_rtx_disable(dev);
memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
return 0;
}
void rtl8192_commit(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
if (priv->up == 0) return ;
ieee80211_softmac_stop_protocol(priv->ieee80211);
rtl8192_irq_disable(dev);
rtl8192_rtx_disable(dev);
_rtl8192_up(dev);
}
void rtl8192_restart(struct work_struct *work)
{
struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq);
struct net_device *dev = priv->ieee80211->dev;
down(&priv->wx_sem);
rtl8192_commit(dev);
up(&priv->wx_sem);
}
static void r8192_set_multicast(struct net_device *dev)
{
struct r8192_priv *priv = ieee80211_priv(dev);
short promisc;
//down(&priv->wx_sem);
/* FIXME FIXME */
promisc = (dev->flags & IFF_PROMISC) ? 1:0;
if (promisc != priv->promisc) {
;
// rtl8192_commit(dev);
}
priv->promisc = promisc;
//schedule_work(&priv->reset_wq);
//up(&priv->wx_sem);
}
static int r8192_set_mac_adr(struct net_device *dev, void *mac)
{
struct r8192_priv *priv = ieee80211_priv(dev);
struct sockaddr *addr = mac;
down(&priv->wx_sem);
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
schedule_work(&priv->reset_wq);
up(&priv->wx_sem);
return 0;
}
/* based on ipw2200 driver */
static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct iwreq *wrq = (struct iwreq *)rq;
int ret=-1;
struct ieee80211_device *ieee = priv->ieee80211;
u32 key[4];
u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff};
struct iw_point *p = &wrq->u.data;
struct ieee_param *ipw = NULL;//(struct ieee_param *)wrq->u.data.pointer;
down(&priv->wx_sem);
if (p->length < sizeof(struct ieee_param) || !p->pointer){
ret = -EINVAL;
goto out;
}
ipw = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
if (ipw == NULL){
ret = -ENOMEM;
goto out;
}
if (copy_from_user(ipw, p->pointer, p->length)) {
kfree(ipw);
ret = -EFAULT;
goto out;
}
switch (cmd) {
case RTL_IOCTL_WPA_SUPPLICANT:
//parse here for HW security
if (ipw->cmd == IEEE_CMD_SET_ENCRYPTION)
{
if (ipw->u.crypt.set_tx)
{
if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
ieee->pairwise_key_type = KEY_TYPE_CCMP;
else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
ieee->pairwise_key_type = KEY_TYPE_TKIP;
else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
{
if (ipw->u.crypt.key_len == 13)
ieee->pairwise_key_type = KEY_TYPE_WEP104;
else if (ipw->u.crypt.key_len == 5)
ieee->pairwise_key_type = KEY_TYPE_WEP40;
}
else
ieee->pairwise_key_type = KEY_TYPE_NA;
if (ieee->pairwise_key_type)
{
memcpy((u8*)key, ipw->u.crypt.key, 16);
EnableHWSecurityConfig8192(dev);
//we fill both index entry and 4th entry for pairwise key as in IPW interface, adhoc will only get here, so we need index entry for its default key serching!
//added by WB.
setKey(dev, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
if (ieee->auth_mode != 2) //LEAP WEP will never set this.
setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key);
}
if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && ieee->pHTInfo->bCurrentHTSupport){
write_nic_byte(dev, 0x173, 1); //fix aes bug
}
}
else //if (ipw->u.crypt.idx) //group key use idx > 0
{
memcpy((u8*)key, ipw->u.crypt.key, 16);
if (strcmp(ipw->u.crypt.alg, "CCMP") == 0)
ieee->group_key_type= KEY_TYPE_CCMP;
else if (strcmp(ipw->u.crypt.alg, "TKIP") == 0)
ieee->group_key_type = KEY_TYPE_TKIP;
else if (strcmp(ipw->u.crypt.alg, "WEP") == 0)
{
if (ipw->u.crypt.key_len == 13)
ieee->group_key_type = KEY_TYPE_WEP104;
else if (ipw->u.crypt.key_len == 5)
ieee->group_key_type = KEY_TYPE_WEP40;
}
else
ieee->group_key_type = KEY_TYPE_NA;
if (ieee->group_key_type)
{
setKey( dev,
ipw->u.crypt.idx,
ipw->u.crypt.idx, //KeyIndex
ieee->group_key_type, //KeyType
broadcast_addr, //MacAddr
0, //DefaultKey
key); //KeyContent
}
}
}
#ifdef JOHN_DEBUG
//john's test 0711
{
int i;
printk("@@ wrq->u pointer = ");
for(i=0;i<wrq->u.data.length;i++){
if(i%10==0) printk("\n");
printk( "%8x|", ((u32*)wrq->u.data.pointer)[i] );
}
printk("\n");
}
#endif /*JOHN_DEBUG*/
ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data);
break;
default:
ret = -EOPNOTSUPP;
break;
}
kfree(ipw);
out:
up(&priv->wx_sem);
return ret;
}
static u8 HwRateToMRate90(bool bIsHT, u8 rate)
{
u8 ret_rate = 0x02;
if(!bIsHT) {
switch(rate) {
case DESC90_RATE1M: ret_rate = MGN_1M; break;
case DESC90_RATE2M: ret_rate = MGN_2M; break;
case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break;
case DESC90_RATE11M: ret_rate = MGN_11M; break;
case DESC90_RATE6M: ret_rate = MGN_6M; break;
case DESC90_RATE9M: ret_rate = MGN_9M; break;
case DESC90_RATE12M: ret_rate = MGN_12M; break;
case DESC90_RATE18M: ret_rate = MGN_18M; break;
case DESC90_RATE24M: ret_rate = MGN_24M; break;
case DESC90_RATE36M: ret_rate = MGN_36M; break;
case DESC90_RATE48M: ret_rate = MGN_48M; break;
case DESC90_RATE54M: ret_rate = MGN_54M; break;
default:
RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT);
break;
}
} else {
switch(rate) {
case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break;
case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break;
case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break;
case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break;
case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break;
case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break;
case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break;
case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break;
case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break;
case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break;
case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break;
case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break;
case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break;
case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break;
case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break;
case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break;
case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break;
default:
RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT);
break;
}
}
return ret_rate;
}
/**
* Function: UpdateRxPktTimeStamp
* Overview: Recored down the TSF time stamp when receiving a packet
*
* Input:
* PADAPTER Adapter
* PRT_RFD pRfd,
*
* Output:
* PRT_RFD pRfd
* (pRfd->Status.TimeStampHigh is updated)
* (pRfd->Status.TimeStampLow is updated)
* Return:
* None
*/
static void UpdateRxPktTimeStamp8190 (struct net_device *dev, struct ieee80211_rx_stats *stats)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
if(stats->bIsAMPDU && !stats->bFirstMPDU) {
stats->mac_time[0] = priv->LastRxDescTSFLow;
stats->mac_time[1] = priv->LastRxDescTSFHigh;
} else {
priv->LastRxDescTSFLow = stats->mac_time[0];
priv->LastRxDescTSFHigh = stats->mac_time[1];
}
}
static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index.
{
long signal_power; // in dBm.
// Translate to dBm (x=0.5y-95).
signal_power = (long)((signal_strength_index + 1) >> 1);
signal_power -= 95;
return signal_power;
}
//
// Description:
// Update Rx signal related information in the packet reeived
// to RxStats. User application can query RxStats to realize
// current Rx signal status.
//
// Assumption:
// In normal operation, user only care about the information of the BSS
// and we shall invoke this function if the packet received is from the BSS.
//
static void
rtl819x_update_rxsignalstatistics8190pci(
struct r8192_priv * priv,
struct ieee80211_rx_stats * pprevious_stats
)
{
int weighting = 0;
//2 <ToDo> Update Rx Statistics (such as signal strength and signal quality).
// Initila state
if(priv->stats.recv_signal_power == 0)
priv->stats.recv_signal_power = pprevious_stats->RecvSignalPower;
// To avoid the past result restricting the statistics sensitivity, weight the current power (5/6) to speed up the
// reaction of smoothed Signal Power.
if(pprevious_stats->RecvSignalPower > priv->stats.recv_signal_power)
weighting = 5;
else if(pprevious_stats->RecvSignalPower < priv->stats.recv_signal_power)
weighting = (-5);
//
// We need more correct power of received packets and the "SignalStrength" of RxStats have been beautified or translated,
// so we record the correct power in Dbm here. By Bruce, 2008-03-07.
//
priv->stats.recv_signal_power = (priv->stats.recv_signal_power * 5 + pprevious_stats->RecvSignalPower + weighting) / 6;
}
static void
rtl8190_process_cck_rxpathsel(
struct r8192_priv * priv,
struct ieee80211_rx_stats * pprevious_stats
)
{
#ifdef RTL8190P //Only 90P 2T4R need to check
char last_cck_adc_pwdb[4]={0,0,0,0};
u8 i;
//cosa add for Rx path selection
if(priv->rf_type == RF_2T4R && DM_RxPathSelTable.Enable)
{
if(pprevious_stats->bIsCCK &&
(pprevious_stats->bPacketToSelf ||pprevious_stats->bPacketBeacon))
{
/* record the cck adc_pwdb to the sliding window. */
if(priv->stats.cck_adc_pwdb.TotalNum++ >= PHY_RSSI_SLID_WIN_MAX)
{
priv->stats.cck_adc_pwdb.TotalNum = PHY_RSSI_SLID_WIN_MAX;
for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
{
last_cck_adc_pwdb[i] = priv->stats.cck_adc_pwdb.elements[i][priv->stats.cck_adc_pwdb.index];
priv->stats.cck_adc_pwdb.TotalVal[i] -= last_cck_adc_pwdb[i];
}
}
for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
{
priv->stats.cck_adc_pwdb.TotalVal[i] += pprevious_stats->cck_adc_pwdb[i];
priv->stats.cck_adc_pwdb.elements[i][priv->stats.cck_adc_pwdb.index] = pprevious_stats->cck_adc_pwdb[i];
}
priv->stats.cck_adc_pwdb.index++;
if(priv->stats.cck_adc_pwdb.index >= PHY_RSSI_SLID_WIN_MAX)
priv->stats.cck_adc_pwdb.index = 0;
for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
{
DM_RxPathSelTable.cck_pwdb_sta[i] = priv->stats.cck_adc_pwdb.TotalVal[i]/priv->stats.cck_adc_pwdb.TotalNum;
}
for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
{
if(pprevious_stats->cck_adc_pwdb[i] > (char)priv->undecorated_smoothed_cck_adc_pwdb[i])
{
priv->undecorated_smoothed_cck_adc_pwdb[i] =
( (priv->undecorated_smoothed_cck_adc_pwdb[i]*(Rx_Smooth_Factor-1)) +
(pprevious_stats->cck_adc_pwdb[i])) /(Rx_Smooth_Factor);
priv->undecorated_smoothed_cck_adc_pwdb[i] = priv->undecorated_smoothed_cck_adc_pwdb[i] + 1;
}
else
{
priv->undecorated_smoothed_cck_adc_pwdb[i] =
( (priv->undecorated_smoothed_cck_adc_pwdb[i]*(Rx_Smooth_Factor-1)) +
(pprevious_stats->cck_adc_pwdb[i])) /(Rx_Smooth_Factor);
}
}
}
}
#endif
}
/* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to
be a local static. Otherwise, it may increase when we return from S3/S4. The
value will be kept in memory or disk. We must delcare the value in adapter
and it will be reinitialized when return from S3/S4. */
static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats)
{
bool bcheck = false;
u8 rfpath;
u32 nspatial_stream, tmp_val;
//u8 i;
static u32 slide_rssi_index=0, slide_rssi_statistics=0;
static u32 slide_evm_index=0, slide_evm_statistics=0;
static u32 last_rssi=0, last_evm=0;
//cosa add for rx path selection
// static long slide_cck_adc_pwdb_index=0, slide_cck_adc_pwdb_statistics=0;
// static char last_cck_adc_pwdb[4]={0,0,0,0};
//cosa add for beacon rssi smoothing
static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0;
static u32 last_beacon_adc_pwdb=0;
struct ieee80211_hdr_3addr *hdr;
u16 sc ;
unsigned int frag,seq;
hdr = (struct ieee80211_hdr_3addr *)buffer;
sc = le16_to_cpu(hdr->seq_ctl);
frag = WLAN_GET_SEQ_FRAG(sc);
seq = WLAN_GET_SEQ_SEQ(sc);
//cosa add 04292008 to record the sequence number
pcurrent_stats->Seq_Num = seq;
//
// Check whether we should take the previous packet into accounting
//
if(!pprevious_stats->bIsAMPDU)
{
// if previous packet is not aggregated packet
bcheck = true;
}else
{
//remve for that we don't use AMPDU to calculate PWDB,because the reported PWDB of some AP is fault.
#if 0
// if previous packet is aggregated packet, and current packet
// (1) is not AMPDU
// (2) is the first packet of one AMPDU
// that means the previous packet is the last one aggregated packet
if( !pcurrent_stats->bIsAMPDU || pcurrent_stats->bFirstMPDU)
bcheck = true;
#endif
}
if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
{
slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
priv->stats.slide_rssi_total -= last_rssi;
}
priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
slide_rssi_index = 0;
// <1> Showed on UI for user, in dbm
tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
pcurrent_stats->rssi = priv->stats.signal_strength;
//
// If the previous packet does not match the criteria, neglect it
//
if(!pprevious_stats->bPacketMatchBSSID)
{
if(!pprevious_stats->bToSelfBA)
return;
}
if(!bcheck)
return;
rtl8190_process_cck_rxpathsel(priv,pprevious_stats);
//
// Check RSSI
//
priv->stats.num_process_phyinfo++;
#if 0
/* record the general signal strength to the sliding window. */
if(slide_rssi_statistics++ >= PHY_RSSI_SLID_WIN_MAX)
{
slide_rssi_statistics = PHY_RSSI_SLID_WIN_MAX;
last_rssi = priv->stats.slide_signal_strength[slide_rssi_index];
priv->stats.slide_rssi_total -= last_rssi;
}
priv->stats.slide_rssi_total += pprevious_stats->SignalStrength;
priv->stats.slide_signal_strength[slide_rssi_index++] = pprevious_stats->SignalStrength;
if(slide_rssi_index >= PHY_RSSI_SLID_WIN_MAX)
slide_rssi_index = 0;
// <1> Showed on UI for user, in dbm
tmp_val = priv->stats.slide_rssi_total/slide_rssi_statistics;
priv->stats.signal_strength = rtl819x_translate_todbm((u8)tmp_val);
#endif
// <2> Showed on UI for engineering
// hardware does not provide rssi information for each rf path in CCK
if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf)
{
for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++)
{
if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, rfpath))
continue;
RT_TRACE(COMP_DBG,"Jacken -> pPreviousstats->RxMIMOSignalStrength[rfpath] = %d \n" ,pprevious_stats->RxMIMOSignalStrength[rfpath] );
//Fixed by Jacken 2008-03-20
if(priv->stats.rx_rssi_percentage[rfpath] == 0)
{
priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath];
//DbgPrint("MIMO RSSI initialize \n");
}
if(pprevious_stats->RxMIMOSignalStrength[rfpath] > priv->stats.rx_rssi_percentage[rfpath])
{
priv->stats.rx_rssi_percentage[rfpath] =
( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
(pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
priv->stats.rx_rssi_percentage[rfpath] = priv->stats.rx_rssi_percentage[rfpath] + 1;
}
else
{
priv->stats.rx_rssi_percentage[rfpath] =
( (priv->stats.rx_rssi_percentage[rfpath]*(Rx_Smooth_Factor-1)) +
(pprevious_stats->RxMIMOSignalStrength[rfpath])) /(Rx_Smooth_Factor);
}
RT_TRACE(COMP_DBG,"Jacken -> priv->RxStats.RxRSSIPercentage[rfPath] = %d \n" ,priv->stats.rx_rssi_percentage[rfpath] );
}
}
//
// Check PWDB.
//
//cosa add for beacon rssi smoothing by average.
if(pprevious_stats->bPacketBeacon)
{
/* record the beacon pwdb to the sliding window. */
if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX)
{
slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX;
last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index];
priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb;
//DbgPrint("slide_beacon_adc_pwdb_index = %d, last_beacon_adc_pwdb = %d, Adapter->RxStats.Slide_Beacon_Total = %d\n",
// slide_beacon_adc_pwdb_index, last_beacon_adc_pwdb, Adapter->RxStats.Slide_Beacon_Total);
}
priv->stats.Slide_Beacon_Total += pprevious_stats->RxPWDBAll;
priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index] = pprevious_stats->RxPWDBAll;
//DbgPrint("slide_beacon_adc_pwdb_index = %d, pPreviousRfd->Status.RxPWDBAll = %d\n", slide_beacon_adc_pwdb_index, pPreviousRfd->Status.RxPWDBAll);
slide_beacon_adc_pwdb_index++;
if(slide_beacon_adc_pwdb_index >= PHY_Beacon_RSSI_SLID_WIN_MAX)
slide_beacon_adc_pwdb_index = 0;
pprevious_stats->RxPWDBAll = priv->stats.Slide_Beacon_Total/slide_beacon_adc_pwdb_statistics;
if(pprevious_stats->RxPWDBAll >= 3)
pprevious_stats->RxPWDBAll -= 3;
}
RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n",
pprevious_stats->bIsCCK? "CCK": "OFDM",
pprevious_stats->RxPWDBAll);
if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
{
if(priv->undecorated_smoothed_pwdb < 0) // initialize
{
priv->undecorated_smoothed_pwdb = pprevious_stats->RxPWDBAll;
//DbgPrint("First pwdb initialize \n");
}
#if 1
if(pprevious_stats->RxPWDBAll > (u32)priv->undecorated_smoothed_pwdb)
{
priv->undecorated_smoothed_pwdb =
( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
(pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
priv->undecorated_smoothed_pwdb = priv->undecorated_smoothed_pwdb + 1;
}
else
{
priv->undecorated_smoothed_pwdb =
( ((priv->undecorated_smoothed_pwdb)*(Rx_Smooth_Factor-1)) +
(pprevious_stats->RxPWDBAll)) /(Rx_Smooth_Factor);
}
#else
//Fixed by Jacken 2008-03-20
if(pPreviousRfd->Status.RxPWDBAll > (u32)pHalData->UndecoratedSmoothedPWDB)
{
pHalData->UndecoratedSmoothedPWDB =
( ((pHalData->UndecoratedSmoothedPWDB)* 5) + (pPreviousRfd->Status.RxPWDBAll)) / 6;
pHalData->UndecoratedSmoothedPWDB = pHalData->UndecoratedSmoothedPWDB + 1;
}
else
{
pHalData->UndecoratedSmoothedPWDB =
( ((pHalData->UndecoratedSmoothedPWDB)* 5) + (pPreviousRfd->Status.RxPWDBAll)) / 6;
}
#endif
rtl819x_update_rxsignalstatistics8190pci(priv,pprevious_stats);
}
//
// Check EVM
//
/* record the general EVM to the sliding window. */
if(pprevious_stats->SignalQuality == 0)
{
}
else
{
if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA){
if(slide_evm_statistics++ >= PHY_RSSI_SLID_WIN_MAX){
slide_evm_statistics = PHY_RSSI_SLID_WIN_MAX;
last_evm = priv->stats.slide_evm[slide_evm_index];
priv->stats.slide_evm_total -= last_evm;
}
priv->stats.slide_evm_total += pprevious_stats->SignalQuality;
priv->stats.slide_evm[slide_evm_index++] = pprevious_stats->SignalQuality;
if(slide_evm_index >= PHY_RSSI_SLID_WIN_MAX)
slide_evm_index = 0;
// <1> Showed on UI for user, in percentage.
tmp_val = priv->stats.slide_evm_total/slide_evm_statistics;
priv->stats.signal_quality = tmp_val;
//cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality.
priv->stats.last_signal_strength_inpercent = tmp_val;
}
// <2> Showed on UI for engineering
if(pprevious_stats->bPacketToSelf || pprevious_stats->bPacketBeacon || pprevious_stats->bToSelfBA)
{
for(nspatial_stream = 0; nspatial_stream<2 ; nspatial_stream++) // 2 spatial stream
{
if(pprevious_stats->RxMIMOSignalQuality[nspatial_stream] != -1)
{
if(priv->stats.rx_evm_percentage[nspatial_stream] == 0) // initialize
{
priv->stats.rx_evm_percentage[nspatial_stream] = pprevious_stats->RxMIMOSignalQuality[nspatial_stream];
}
priv->stats.rx_evm_percentage[nspatial_stream] =
( (priv->stats.rx_evm_percentage[nspatial_stream]* (Rx_Smooth_Factor-1)) +
(pprevious_stats->RxMIMOSignalQuality[nspatial_stream]* 1)) / (Rx_Smooth_Factor);
}
}
}
}
}
/*-----------------------------------------------------------------------------
* Function: rtl819x_query_rxpwrpercentage()
*
* Overview:
*
* Input: char antpower
*
* Output: NONE
*
* Return: 0-100 percentage
*
* Revised History:
* When Who Remark
* 05/26/2008 amy Create Version 0 porting from windows code.
*
*---------------------------------------------------------------------------*/
static u8 rtl819x_query_rxpwrpercentage(
char antpower
)
{
if ((antpower <= -100) || (antpower >= 20))
{
return 0;
}
else if (antpower >= 0)
{
return 100;
}
else
{
return (100+antpower);
}
} /* QueryRxPwrPercentage */
static u8
rtl819x_evm_dbtopercentage(
char value
)
{
char ret_val;
ret_val = value;
if(ret_val >= 0)
ret_val = 0;
if(ret_val <= -33)
ret_val = -33;
ret_val = 0 - ret_val;
ret_val*=3;
if(ret_val == 99)
ret_val = 100;
return(ret_val);
}
//
// Description:
// We want good-looking for signal strength/quality
// 2007/7/19 01:09, by cosa.
//
static long rtl819x_signal_scale_mapping(long currsig)
{
long retsig;
// Step 1. Scale mapping.
if(currsig >= 61 && currsig <= 100)
{
retsig = 90 + ((currsig - 60) / 4);
}
else if(currsig >= 41 && currsig <= 60)
{
retsig = 78 + ((currsig - 40) / 2);
}
else if(currsig >= 31 && currsig <= 40)
{
retsig = 66 + (currsig - 30);
}
else if(currsig >= 21 && currsig <= 30)
{
retsig = 54 + (currsig - 20);
}
else if(currsig >= 5 && currsig <= 20)
{
retsig = 42 + (((currsig - 5) * 2) / 3);
}
else if(currsig == 4)
{
retsig = 36;
}
else if(currsig == 3)
{
retsig = 27;
}
else if(currsig == 2)
{
retsig = 18;
}
else if(currsig == 1)
{
retsig = 9;
}
else
{
retsig = currsig;
}
return retsig;
}
static void rtl8192_query_rxphystatus(
struct r8192_priv * priv,
struct ieee80211_rx_stats * pstats,
prx_desc_819x_pci pdesc,
prx_fwinfo_819x_pci pdrvinfo,
struct ieee80211_rx_stats * precord_stats,
bool bpacket_match_bssid,
bool bpacket_toself,
bool bPacketBeacon,
bool bToSelfBA
)
{
//PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status);
phy_sts_ofdm_819xpci_t* pofdm_buf;
phy_sts_cck_819xpci_t * pcck_buf;
phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc;
u8 *prxpkt;
u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg;
char rx_pwr[4], rx_pwr_all=0;
//long rx_avg_pwr = 0;
char rx_snrX, rx_evmX;
u8 evm, pwdb_all;
u32 RSSI, total_rssi=0;//, total_evm=0;
// long signal_strength_index = 0;
u8 is_cck_rate=0;
u8 rf_rx_num = 0;
/* 2007/07/04 MH For OFDM RSSI. For high power or not. */
static u8 check_reg824 = 0;
static u32 reg824_bit9 = 0;
priv->stats.numqry_phystatus++;
is_cck_rate = rx_hal_is_cck_rate(pdrvinfo);
// Record it for next packet processing
memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats));
pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid;
pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself;
pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo);
pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon;
pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA;
/*2007.08.30 requested by SD3 Jerry */
if(check_reg824 == 0)
{
reg824_bit9 = rtl8192_QueryBBReg(priv->ieee80211->dev, rFPGA0_XA_HSSIParameter2, 0x200);
check_reg824 = 1;
}
prxpkt = (u8*)pdrvinfo;
/* Move pointer to the 16th bytes. Phy status start address. */
prxpkt += sizeof(rx_fwinfo_819x_pci);
/* Initial the cck and ofdm buffer pointer */
pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt;
pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt;
pstats->RxMIMOSignalQuality[0] = -1;
pstats->RxMIMOSignalQuality[1] = -1;
precord_stats->RxMIMOSignalQuality[0] = -1;
precord_stats->RxMIMOSignalQuality[1] = -1;
if(is_cck_rate)
{
//
// (1)Hardware does not provide RSSI for CCK
//
//
// (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
//
u8 report;//, cck_agc_rpt;
#ifdef RTL8190P
u8 tmp_pwdb;
char cck_adc_pwdb[4];
#endif
priv->stats.numqry_phystatusCCK++;
#ifdef RTL8190P //Only 90P 2T4R need to check
if(priv->rf_type == RF_2T4R && DM_RxPathSelTable.Enable && bpacket_match_bssid)
{
for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
{
tmp_pwdb = pcck_buf->adc_pwdb_X[i];
cck_adc_pwdb[i] = (char)tmp_pwdb;
cck_adc_pwdb[i] /= 2;
pstats->cck_adc_pwdb[i] = precord_stats->cck_adc_pwdb[i] = cck_adc_pwdb[i];
//DbgPrint("RF-%d tmp_pwdb = 0x%x, cck_adc_pwdb = %d", i, tmp_pwdb, cck_adc_pwdb[i]);
}
}
#endif
if(!reg824_bit9)
{
report = pcck_buf->cck_agc_rpt & 0xc0;
report = report>>6;
switch(report)
{
//Fixed by Jacken from Bryant 2008-03-20
//Original value is -38 , -26 , -14 , -2
//Fixed value is -35 , -23 , -11 , 6
case 0x3:
rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e);
break;
case 0x2:
rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e);
break;
case 0x1:
rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e);
break;
case 0x0:
rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e);
break;
}
}
else
{
report = pcck_buf->cck_agc_rpt & 0x60;
report = report>>5;
switch(report)
{
case 0x3:
rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
break;
case 0x2:
rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1);
break;
case 0x1:
rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
break;
case 0x0:
rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ;
break;
}
}
pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
pstats->RecvSignalPower = rx_pwr_all;
//
// (3) Get Signal Quality (EVM)
//
if(bpacket_match_bssid)
{
u8 sq;
if(pstats->RxPWDBAll > 40)
{
sq = 100;
}else
{
sq = pcck_buf->sq_rpt;
if(pcck_buf->sq_rpt > 64)
sq = 0;
else if (pcck_buf->sq_rpt < 20)
sq = 100;
else
sq = ((64-sq) * 100) / 44;
}
pstats->SignalQuality = precord_stats->SignalQuality = sq;
pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq;
pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1;
}
}
else
{
priv->stats.numqry_phystatusHT++;
//
// (1)Get RSSI for HT rate
//
for(i=RF90_PATH_A; i<RF90_PATH_MAX; i++)
{
// 2008/01/30 MH we will judge RF RX path now.
if (priv->brfpath_rxenable[i])
rf_rx_num++;
//else
//continue;
//Fixed by Jacken from Bryant 2008-03-20
//Original value is 106
#ifdef RTL8190P //Modify by Jacken 2008/03/31
rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 106;
#else
rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110;
#endif
//Get Rx snr value in DB
tmp_rxsnr = pofdm_buf->rxsnr_X[i];
rx_snrX = (char)(tmp_rxsnr);
rx_snrX /= 2;
priv->stats.rxSNRdB[i] = (long)rx_snrX;
/* Translate DBM to percentage. */
RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]);
if (priv->brfpath_rxenable[i])
total_rssi += RSSI;
/* Record Signal Strength for next packet */
if(bpacket_match_bssid)
{
pstats->RxMIMOSignalStrength[i] =(u8) RSSI;
precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI;
}
}
//
// (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive)
//
//Fixed by Jacken from Bryant 2008-03-20
//Original value is 106
rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106;
pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all);
pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all;
pstats->RxPower = precord_stats->RxPower = rx_pwr_all;
pstats->RecvSignalPower = rx_pwr_all;
//
// (3)EVM of HT rate
//
if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 &&
pdrvinfo->RxRate<=DESC90_RATEMCS15)
max_spatial_stream = 2; //both spatial stream make sense
else
max_spatial_stream = 1; //only spatial stream 1 makes sense
for(i=0; i<max_spatial_stream; i++)
{
tmp_rxevm = pofdm_buf->rxevm_X[i];
rx_evmX = (char)(tmp_rxevm);
// Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment
// fill most significant bit to "zero" when doing shifting operation which may change a negative
// value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore.
rx_evmX /= 2; //dbm
evm = rtl819x_evm_dbtopercentage(rx_evmX);
#if 0
EVM = SignalScaleMapping(EVM);//make it good looking, from 0~100
#endif
if(bpacket_match_bssid)
{
if(i==0) // Fill value in RFD, Get the first spatial stream only
pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff);
pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff);
}
}
/* record rx statistics for debug */
rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg;
prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg;
if(pdrvinfo->BW) //40M channel
priv->stats.received_bwtype[1+prxsc->rxsc]++;
else //20M channel
priv->stats.received_bwtype[0]++;
}
//UI BSS List signal strength(in percentage), make it good looking, from 0~100.
//It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp().
if(is_cck_rate)
{
pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL;
}
else
{
//pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX);
// We can judge RX path number now.
if (rf_rx_num != 0)
pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num)));
}
} /* QueryRxPhyStatus8190Pci */
static void
rtl8192_record_rxdesc_forlateruse(
struct ieee80211_rx_stats * psrc_stats,
struct ieee80211_rx_stats * ptarget_stats
)
{
ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU;
ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU;
//ptarget_stats->Seq_Num = psrc_stats->Seq_Num;
}
static void TranslateRxSignalStuff819xpci(struct net_device *dev,
struct sk_buff *skb,
struct ieee80211_rx_stats * pstats,
prx_desc_819x_pci pdesc,
prx_fwinfo_819x_pci pdrvinfo)
{
// TODO: We must only check packet for current MAC address. Not finish
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
bool bpacket_match_bssid, bpacket_toself;
bool bPacketBeacon=false, bToSelfBA=false;
static struct ieee80211_rx_stats previous_stats;
struct ieee80211_hdr_3addr *hdr;
u16 fc,type;
// Get Signal Quality for only RX data queue (but not command queue)
u8* tmp_buf;
u8 *praddr;
/* Get MAC frame start address. */
tmp_buf = skb->data;
hdr = (struct ieee80211_hdr_3addr *)tmp_buf;
fc = le16_to_cpu(hdr->frame_ctl);
type = WLAN_FC_GET_TYPE(fc);
praddr = hdr->addr1;
/* Check if the received packet is acceptabe. */
bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) &&
(eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
&& (!pstats->bHwError) && (!pstats->bCRC)&& (!pstats->bICV));
bpacket_toself = bpacket_match_bssid & (eqMacAddr(praddr, priv->ieee80211->dev->dev_addr));
#if 1//cosa
if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON)
{
bPacketBeacon = true;
//DbgPrint("Beacon 2, MatchBSSID = %d, ToSelf = %d \n", bPacketMatchBSSID, bPacketToSelf);
}
if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK)
{
if((eqMacAddr(praddr,dev->dev_addr)))
bToSelfBA = true;
//DbgPrint("BlockAck, MatchBSSID = %d, ToSelf = %d \n", bPacketMatchBSSID, bPacketToSelf);
}
#endif
if(bpacket_match_bssid)
{
priv->stats.numpacket_matchbssid++;
}
if(bpacket_toself){
priv->stats.numpacket_toself++;
}
//
// Process PHY information for previous packet (RSSI/PWDB/EVM)
//
// Because phy information is contained in the last packet of AMPDU only, so driver
// should process phy information of previous packet
rtl8192_process_phyinfo(priv, tmp_buf,&previous_stats, pstats);
rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &previous_stats, bpacket_match_bssid,
bpacket_toself ,bPacketBeacon, bToSelfBA);
rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats);
}
static void rtl8192_tx_resume(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct ieee80211_device *ieee = priv->ieee80211;
struct sk_buff *skb;
int queue_index;
for(queue_index = BK_QUEUE; queue_index < TXCMD_QUEUE;queue_index++) {
while((!skb_queue_empty(&ieee->skb_waitQ[queue_index]))&&
(priv->ieee80211->check_nic_enough_desc(dev,queue_index) > 0)) {
/* 1. dequeue the packet from the wait queue */
skb = skb_dequeue(&ieee->skb_waitQ[queue_index]);
/* 2. tx the packet directly */
ieee->softmac_data_hard_start_xmit(skb,dev,0/* rate useless now*/);
#if 0
if(queue_index!=MGNT_QUEUE) {
ieee->stats.tx_packets++;
ieee->stats.tx_bytes += skb->len;
}
#endif
}
}
}
void rtl8192_irq_tx_tasklet(struct r8192_priv *priv)
{
rtl8192_tx_resume(priv->ieee80211->dev);
}
/**
* Function: UpdateReceivedRateHistogramStatistics
* Overview: Recored down the received data rate
*
* Input:
* PADAPTER Adapter
* PRT_RFD pRfd,
*
* Output:
* PRT_TCB Adapter
* (Adapter->RxStats.ReceivedRateHistogram[] is updated)
* Return:
* None
*/
static void UpdateReceivedRateHistogramStatistics8190(
struct net_device *dev,
struct ieee80211_rx_stats* pstats
)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
u32 rcvType=1; //0: Total, 1:OK, 2:CRC, 3:ICV
u32 rateIndex;
u32 preamble_guardinterval; //1: short preamble/GI, 0: long preamble/GI
/* 2007/03/09 MH We will not update rate of packet from rx cmd queue. */
#if 0
if (pRfd->queue_id == CMPK_RX_QUEUE_ID)
return;
#endif
if(pstats->bCRC)
rcvType = 2;
else if(pstats->bICV)
rcvType = 3;
if(pstats->bShortPreamble)
preamble_guardinterval = 1;// short
else
preamble_guardinterval = 0;// long
switch(pstats->rate)
{
//
// CCK rate
//
case MGN_1M: rateIndex = 0; break;
case MGN_2M: rateIndex = 1; break;
case MGN_5_5M: rateIndex = 2; break;
case MGN_11M: rateIndex = 3; break;
//
// Legacy OFDM rate
//
case MGN_6M: rateIndex = 4; break;
case MGN_9M: rateIndex = 5; break;
case MGN_12M: rateIndex = 6; break;
case MGN_18M: rateIndex = 7; break;
case MGN_24M: rateIndex = 8; break;
case MGN_36M: rateIndex = 9; break;
case MGN_48M: rateIndex = 10; break;
case MGN_54M: rateIndex = 11; break;
//
// 11n High throughput rate
//
case MGN_MCS0: rateIndex = 12; break;
case MGN_MCS1: rateIndex = 13; break;
case MGN_MCS2: rateIndex = 14; break;
case MGN_MCS3: rateIndex = 15; break;
case MGN_MCS4: rateIndex = 16; break;
case MGN_MCS5: rateIndex = 17; break;
case MGN_MCS6: rateIndex = 18; break;
case MGN_MCS7: rateIndex = 19; break;
case MGN_MCS8: rateIndex = 20; break;
case MGN_MCS9: rateIndex = 21; break;
case MGN_MCS10: rateIndex = 22; break;
case MGN_MCS11: rateIndex = 23; break;
case MGN_MCS12: rateIndex = 24; break;
case MGN_MCS13: rateIndex = 25; break;
case MGN_MCS14: rateIndex = 26; break;
case MGN_MCS15: rateIndex = 27; break;
default: rateIndex = 28; break;
}
priv->stats.received_preamble_GI[preamble_guardinterval][rateIndex]++;
priv->stats.received_rate_histogram[0][rateIndex]++; //total
priv->stats.received_rate_histogram[rcvType][rateIndex]++;
}
static void rtl8192_rx(struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct ieee80211_hdr_1addr *ieee80211_hdr = NULL;
bool unicast_packet = false;
struct ieee80211_rx_stats stats = {
.signal = 0,
.noise = -98,
.rate = 0,
.freq = IEEE80211_24GHZ_BAND,
};
unsigned int count = priv->rxringcount;
stats.nic_type = NIC_8192E;
while (count--) {
rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor
struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt
if (pdesc->OWN){
/* wait data to be filled by hardware */
return;
} else {
stats.bICV = pdesc->ICV;
stats.bCRC = pdesc->CRC32;
stats.bHwError = pdesc->CRC32 | pdesc->ICV;
stats.Length = pdesc->Length;
if(stats.Length < 24)
stats.bHwError |= 1;
if(stats.bHwError) {
stats.bShift = false;
if(pdesc->CRC32) {
if (pdesc->Length <500)
priv->stats.rxcrcerrmin++;
else if (pdesc->Length >1000)
priv->stats.rxcrcerrmax++;
else
priv->stats.rxcrcerrmid++;
}
goto done;
} else {
prx_fwinfo_819x_pci pDrvInfo = NULL;
struct sk_buff *new_skb = dev_alloc_skb(priv->rxbuffersize);
if (unlikely(!new_skb)) {
goto done;
}
stats.RxDrvInfoSize = pdesc->RxDrvInfoSize;
stats.RxBufShift = ((pdesc->Shift)&0x03);
stats.Decrypted = !pdesc->SWDec;
pci_dma_sync_single_for_cpu(priv->pdev,
*((dma_addr_t *)skb->cb),
priv->rxbuffersize,
PCI_DMA_FROMDEVICE);
skb_put(skb, pdesc->Length);
pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift);
skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift);
stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate);
stats.bShortPreamble = pDrvInfo->SPLCP;
/* it is debug only. It should be disabled in released driver.
* 2007.1.11 by Emily
* */
UpdateReceivedRateHistogramStatistics8190(dev, &stats);
stats.bIsAMPDU = (pDrvInfo->PartAggr==1);
stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1);
stats.TimeStampLow = pDrvInfo->TSFL;
stats.TimeStampHigh = read_nic_dword(dev, TSFR+4);
UpdateRxPktTimeStamp8190(dev, &stats);
//
// Get Total offset of MPDU Frame Body
//
if((stats.RxBufShift + stats.RxDrvInfoSize) > 0)
stats.bShift = 1;
stats.RxIs40MHzPacket = pDrvInfo->BW;
/* ???? */
TranslateRxSignalStuff819xpci(dev,skb, &stats, pdesc, pDrvInfo);
/* Rx A-MPDU */
if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1)
RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n",
pDrvInfo->FirstAGGR, pDrvInfo->PartAggr);
skb_trim(skb, skb->len - 4/*sCrcLng*/);
/* rx packets statistics */
ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data;
unicast_packet = false;
if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) {
//TODO
}else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){
//TODO
}else {
/* unicast packet */
unicast_packet = true;
}
stats.packetlength = stats.Length-4;
stats.fraglength = stats.packetlength;
stats.fragoffset = 0;
stats.ntotalfrag = 1;
if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){
dev_kfree_skb_any(skb);
} else {
priv->stats.rxok++;
if(unicast_packet) {
priv->stats.rxbytesunicast += skb->len;
}
}
skb = new_skb;
priv->rx_buf[priv->rx_idx] = skb;
*((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb->tail, priv->rxbuffersize, PCI_DMA_FROMDEVICE);
// *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
}
}
done:
pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));
pdesc->OWN = 1;
pdesc->Length = priv->rxbuffersize;
if (priv->rx_idx == priv->rxringcount-1)
pdesc->EOR = 1;
priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount;
}
}
void rtl8192_irq_rx_tasklet(struct r8192_priv *priv)
{
rtl8192_rx(priv->ieee80211->dev);
/* unmask RDU */
write_nic_dword(priv->ieee80211->dev, INTA_MASK,read_nic_dword(priv->ieee80211->dev, INTA_MASK) | IMR_RDU);
}
static const struct net_device_ops rtl8192_netdev_ops = {
.ndo_open = rtl8192_open,
.ndo_stop = rtl8192_close,
/* .ndo_get_stats = rtl8192_stats, */
.ndo_tx_timeout = tx_timeout,
.ndo_do_ioctl = rtl8192_ioctl,
.ndo_set_multicast_list = r8192_set_multicast,
.ndo_set_mac_address = r8192_set_mac_adr,
.ndo_start_xmit = ieee80211_rtl_xmit,
};
/****************************************************************************
---------------------------- PCI_STUFF---------------------------
*****************************************************************************/
static int __devinit rtl8192_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
unsigned long ioaddr = 0;
struct net_device *dev = NULL;
struct r8192_priv *priv= NULL;
u8 unit = 0;
#ifdef CONFIG_RTL8192_IO_MAP
unsigned long pio_start, pio_len, pio_flags;
#else
unsigned long pmem_start, pmem_len, pmem_flags;
#endif //end #ifdef RTL_IO_MAP
RT_TRACE(COMP_INIT,"Configuring chip resources");
if( pci_enable_device (pdev) ){
RT_TRACE(COMP_ERR,"Failed to enable PCI device");
return -EIO;
}
pci_set_master(pdev);
//pci_set_wmi(pdev);
pci_set_dma_mask(pdev, 0xffffff00ULL);
pci_set_consistent_dma_mask(pdev,0xffffff00ULL);
dev = alloc_ieee80211(sizeof(struct r8192_priv));
if (!dev)
return -ENOMEM;
pci_set_drvdata(pdev, dev);
SET_NETDEV_DEV(dev, &pdev->dev);
priv = ieee80211_priv(dev);
priv->ieee80211 = netdev_priv(dev);
priv->pdev=pdev;
if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){
priv->ieee80211->bSupportRemoteWakeUp = 1;
} else
{
priv->ieee80211->bSupportRemoteWakeUp = 0;
}
#ifdef CONFIG_RTL8192_IO_MAP
pio_start = (unsigned long)pci_resource_start (pdev, 0);
pio_len = (unsigned long)pci_resource_len (pdev, 0);
pio_flags = (unsigned long)pci_resource_flags (pdev, 0);
if (!(pio_flags & IORESOURCE_IO)) {
RT_TRACE(COMP_ERR,"region #0 not a PIO resource, aborting");
goto fail;
}
//DMESG("IO space @ 0x%08lx", pio_start );
if( ! request_region( pio_start, pio_len, RTL819xE_MODULE_NAME ) ){
RT_TRACE(COMP_ERR,"request_region failed!");
goto fail;
}
ioaddr = pio_start;
dev->base_addr = ioaddr; // device I/O address
#else
pmem_start = pci_resource_start(pdev, 1);
pmem_len = pci_resource_len(pdev, 1);
pmem_flags = pci_resource_flags (pdev, 1);
if (!(pmem_flags & IORESOURCE_MEM)) {
RT_TRACE(COMP_ERR,"region #1 not a MMIO resource, aborting");
goto fail;
}
//DMESG("Memory mapped space @ 0x%08lx ", pmem_start);
if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) {
RT_TRACE(COMP_ERR,"request_mem_region failed!");
goto fail;
}
ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len);
if( ioaddr == (unsigned long)NULL ){
RT_TRACE(COMP_ERR,"ioremap failed!");
// release_mem_region( pmem_start, pmem_len );
goto fail1;
}
dev->mem_start = ioaddr; // shared mem start
dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end
#endif //end #ifdef RTL_IO_MAP
/* We disable the RETRY_TIMEOUT register (0x41) to keep
* PCI Tx retries from interfering with C3 CPU state */
pci_write_config_byte(pdev, 0x41, 0x00);
pci_read_config_byte(pdev, 0x05, &unit);
pci_write_config_byte(pdev, 0x05, unit & (~0x04));
dev->irq = pdev->irq;
priv->irq = 0;
dev->netdev_ops = &rtl8192_netdev_ops;
#if 0
dev->open = rtl8192_open;
dev->stop = rtl8192_close;
//dev->hard_start_xmit = rtl8192_8023_hard_start_xmit;
dev->tx_timeout = tx_timeout;
//dev->wireless_handlers = &r8192_wx_handlers_def;
dev->do_ioctl = rtl8192_ioctl;
dev->set_multicast_list = r8192_set_multicast;
dev->set_mac_address = r8192_set_mac_adr;
#endif
//DMESG("Oops: i'm coming\n");
#if WIRELESS_EXT >= 12
#if WIRELESS_EXT < 17
dev->get_wireless_stats = r8192_get_wireless_stats;
#endif
dev->wireless_handlers = (struct iw_handler_def *) &r8192_wx_handlers_def;
#endif
//dev->get_wireless_stats = r8192_get_wireless_stats;
dev->type=ARPHRD_ETHER;
dev->watchdog_timeo = HZ*3; //modified by john, 0805
if (dev_alloc_name(dev, ifname) < 0){
RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n");
ifname = "wlan%d";
dev_alloc_name(dev, ifname);
}
RT_TRACE(COMP_INIT, "Driver probe completed1\n");
if(rtl8192_init(dev)!=0){
RT_TRACE(COMP_ERR, "Initialization failed");
goto fail;
}
netif_carrier_off(dev);
netif_stop_queue(dev);
register_netdev(dev);
RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name);
rtl8192_proc_init_one(dev);
RT_TRACE(COMP_INIT, "Driver probe completed\n");
return 0;
fail1:
#ifdef CONFIG_RTL8180_IO_MAP
if( dev->base_addr != 0 ){
release_region(dev->base_addr,
pci_resource_len(pdev, 0) );
}
#else
if( dev->mem_start != (unsigned long)NULL ){
iounmap( (void *)dev->mem_start );
release_mem_region( pci_resource_start(pdev, 1),
pci_resource_len(pdev, 1) );
}
#endif //end #ifdef RTL_IO_MAP
fail:
if(dev){
if (priv->irq) {
free_irq(dev->irq, dev);
dev->irq=0;
}
free_ieee80211(dev);
}
pci_disable_device(pdev);
DMESG("wlan driver load failed\n");
pci_set_drvdata(pdev, NULL);
return -ENODEV;
}
/* detach all the work and timer structure declared or inititialized
* in r8192_init function.
* */
void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
{
/* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
* is or is newer than 2.6.20 and work structure is defined to be struct work_struct.
* Otherwise call cancel_delayed_work is enough.
* FIXME (2.6.20 shoud 2.6.22, work_struct shoud not cancel)
* */
cancel_delayed_work(&priv->watch_dog_wq);
cancel_delayed_work(&priv->update_beacon_wq);
cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq);
cancel_delayed_work(&priv->ieee80211->hw_sleep_wq);
#ifdef RTL8192E
cancel_delayed_work(&priv->gpio_change_rf_wq);
#endif
cancel_work_sync(&priv->reset_wq);
cancel_work_sync(&priv->qos_activate);
//cancel_work_sync(&priv->SetBWModeWorkItem);
//cancel_work_sync(&priv->SwChnlWorkItem);
}
static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct r8192_priv *priv ;
if(dev){
unregister_netdev(dev);
priv=ieee80211_priv(dev);
rtl8192_proc_remove_one(dev);
rtl8192_down(dev);
if (priv->pFirmware)
{
vfree(priv->pFirmware);
priv->pFirmware = NULL;
}
// priv->rf_close(dev);
// rtl8192_usb_deleteendpoints(dev);
destroy_workqueue(priv->priv_wq);
/* redundant with rtl8192_down */
// rtl8192_irq_disable(dev);
// rtl8192_reset(dev);
// mdelay(10);
{
u32 i;
/* free tx/rx rings */
rtl8192_free_rx_ring(dev);
for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) {
rtl8192_free_tx_ring(dev, i);
}
}
if(priv->irq){
printk("Freeing irq %d\n",dev->irq);
free_irq(dev->irq, dev);
priv->irq=0;
}
// free_beacon_desc_ring(dev,priv->txbeaconcount);
#ifdef CONFIG_RTL8180_IO_MAP
if( dev->base_addr != 0 ){
release_region(dev->base_addr,
pci_resource_len(pdev, 0) );
}
#else
if( dev->mem_start != (unsigned long)NULL ){
iounmap( (void *)dev->mem_start );
release_mem_region( pci_resource_start(pdev, 1),
pci_resource_len(pdev, 1) );
}
#endif /*end #ifdef RTL_IO_MAP*/
free_ieee80211(dev);
}
pci_disable_device(pdev);
RT_TRACE(COMP_DOWN, "wlan driver removed\n");
}
extern int ieee80211_rtl_init(void);
extern void ieee80211_rtl_exit(void);
static int __init rtl8192_pci_module_init(void)
{
int retval;
retval = ieee80211_rtl_init();
if (retval)
return retval;
printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n");
printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n");
RT_TRACE(COMP_INIT, "Initializing module");
RT_TRACE(COMP_INIT, "Wireless extensions version %d", WIRELESS_EXT);
rtl8192_proc_module_init();
if(0!=pci_register_driver(&rtl8192_pci_driver))
{
DMESG("No device found");
/*pci_unregister_driver (&rtl8192_pci_driver);*/
return -ENODEV;
}
return 0;
}
static void __exit rtl8192_pci_module_exit(void)
{
pci_unregister_driver(&rtl8192_pci_driver);
RT_TRACE(COMP_DOWN, "Exiting");
rtl8192_proc_module_remove();
ieee80211_rtl_exit();
}
//warning message WB
irqreturn_t rtl8192_interrupt(int irq, void *netdev)
{
struct net_device *dev = (struct net_device *) netdev;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
unsigned long flags;
u32 inta;
/* We should return IRQ_NONE, but for now let me keep this */
if(priv->irq_enabled == 0){
return IRQ_HANDLED;
}
spin_lock_irqsave(&priv->irq_th_lock,flags);
//ISR: 4bytes
inta = read_nic_dword(dev, ISR);// & priv->IntrMask;
write_nic_dword(dev,ISR,inta); // reset int situation
priv->stats.shints++;
//DMESG("Enter interrupt, ISR value = 0x%08x", inta);
if(!inta){
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
return IRQ_HANDLED;
/*
most probably we can safely return IRQ_NONE,
but for now is better to avoid problems
*/
}
if(inta == 0xffff){
/* HW disappared */
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
return IRQ_HANDLED;
}
priv->stats.ints++;
#ifdef DEBUG_IRQ
DMESG("NIC irq %x",inta);
#endif
//priv->irqpending = inta;
if(!netif_running(dev)) {
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
return IRQ_HANDLED;
}
if(inta & IMR_TIMEOUT0){
// write_nic_dword(dev, TimerInt, 0);
//DMESG("=================>waking up");
// rtl8180_hw_wakeup(dev);
}
if(inta & IMR_TBDOK){
RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
rtl8192_tx_isr(dev, BEACON_QUEUE);
priv->stats.txbeaconokint++;
}
if(inta & IMR_TBDER){
RT_TRACE(COMP_INTR, "beacon ok interrupt!\n");
rtl8192_tx_isr(dev, BEACON_QUEUE);
priv->stats.txbeaconerr++;
}
if(inta & IMR_MGNTDOK ) {
RT_TRACE(COMP_INTR, "Manage ok interrupt!\n");
priv->stats.txmanageokint++;
rtl8192_tx_isr(dev,MGNT_QUEUE);
}
if(inta & IMR_COMDOK)
{
priv->stats.txcmdpktokint++;
rtl8192_tx_isr(dev,TXCMD_QUEUE);
}
if(inta & IMR_ROK){
#ifdef DEBUG_RX
DMESG("Frame arrived !");
#endif
priv->stats.rxint++;
tasklet_schedule(&priv->irq_rx_tasklet);
}
if(inta & IMR_BcnInt) {
RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n");
tasklet_schedule(&priv->irq_prepare_beacon_tasklet);
}
if(inta & IMR_RDU){
RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n");
priv->stats.rxrdu++;
/* reset int situation */
write_nic_dword(dev,INTA_MASK,read_nic_dword(dev, INTA_MASK) & ~IMR_RDU);
tasklet_schedule(&priv->irq_rx_tasklet);
}
if(inta & IMR_RXFOVW){
RT_TRACE(COMP_INTR, "rx overflow !\n");
priv->stats.rxoverflow++;
tasklet_schedule(&priv->irq_rx_tasklet);
}
if(inta & IMR_TXFOVW) priv->stats.txoverflow++;
if(inta & IMR_BKDOK){
RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n");
priv->stats.txbkokint++;
priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
rtl8192_tx_isr(dev,BK_QUEUE);
rtl8192_try_wake_queue(dev, BK_QUEUE);
}
if(inta & IMR_BEDOK){
RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n");
priv->stats.txbeokint++;
priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
rtl8192_tx_isr(dev,BE_QUEUE);
rtl8192_try_wake_queue(dev, BE_QUEUE);
}
if(inta & IMR_VIDOK){
RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n");
priv->stats.txviokint++;
priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
rtl8192_tx_isr(dev,VI_QUEUE);
rtl8192_try_wake_queue(dev, VI_QUEUE);
}
if(inta & IMR_VODOK){
priv->stats.txvookint++;
priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++;
rtl8192_tx_isr(dev,VO_QUEUE);
rtl8192_try_wake_queue(dev, VO_QUEUE);
}
force_pci_posting(dev);
spin_unlock_irqrestore(&priv->irq_th_lock,flags);
return IRQ_HANDLED;
}
void rtl8192_try_wake_queue(struct net_device *dev, int pri)
{
#if 0
unsigned long flags;
short enough_desc;
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
spin_lock_irqsave(&priv->tx_lock,flags);
enough_desc = check_nic_enough_desc(dev,pri);
spin_unlock_irqrestore(&priv->tx_lock,flags);
if(enough_desc)
ieee80211_rtl_wake_queue(priv->ieee80211);
#endif
}
void EnableHWSecurityConfig8192(struct net_device *dev)
{
u8 SECR_value = 0x0;
// struct ieee80211_device* ieee1 = container_of(&dev, struct ieee80211_device, dev);
//printk("==>ieee1:%p, dev:%p\n", ieee1, dev);
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
struct ieee80211_device* ieee = priv->ieee80211;
//printk("==>ieee:%p, dev:%p\n", ieee, dev);
SECR_value = SCR_TxEncEnable | SCR_RxDecEnable;
#if 1
if (((KEY_TYPE_WEP40 == ieee->pairwise_key_type) || (KEY_TYPE_WEP104 == ieee->pairwise_key_type)) && (priv->ieee80211->auth_mode != 2))
{
SECR_value |= SCR_RxUseDK;
SECR_value |= SCR_TxUseDK;
}
else if ((ieee->iw_mode == IW_MODE_ADHOC) && (ieee->pairwise_key_type & (KEY_TYPE_CCMP | KEY_TYPE_TKIP)))
{
SECR_value |= SCR_RxUseDK;
SECR_value |= SCR_TxUseDK;
}
#endif
//add HWSec active enable here.
//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
ieee->hwsec_active = 1;
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
{
ieee->hwsec_active = 0;
SECR_value &= ~SCR_RxDecEnable;
}
RT_TRACE(COMP_SEC,"%s:, hwsec:%d, pairwise_key:%d, SECR_value:%x\n", __FUNCTION__, \
ieee->hwsec_active, ieee->pairwise_key_type, SECR_value);
{
write_nic_byte(dev, SECR, SECR_value);//SECR_value | SCR_UseDK );
}
}
#define TOTAL_CAM_ENTRY 32
//#define CAM_CONTENT_COUNT 8
void setKey( struct net_device *dev,
u8 EntryNo,
u8 KeyIndex,
u16 KeyType,
u8 *MacAddr,
u8 DefaultKey,
u32 *KeyContent )
{
u32 TargetCommand = 0;
u32 TargetContent = 0;
u16 usConfig = 0;
u8 i;
#ifdef ENABLE_IPS
struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
RT_RF_POWER_STATE rtState;
rtState = priv->ieee80211->eRFPowerState;
if(priv->ieee80211->PowerSaveControl.bInactivePs){
if(rtState == eRfOff){
if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
{
RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
up(&priv->wx_sem);
return ;
}
else{
IPSLeave(dev);
}
}
}
priv->ieee80211->is_set_key = true;
#endif
if (EntryNo >= TOTAL_CAM_ENTRY)
RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr"MAC_FMT"\n", dev,EntryNo, KeyIndex, KeyType, MAC_ARG(MacAddr));
if (DefaultKey)
usConfig |= BIT15 | (KeyType<<2);
else
usConfig |= BIT15 | (KeyType<<2) | KeyIndex;
// usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex;
for(i=0 ; i<CAM_CONTENT_COUNT; i++){
TargetCommand = i+CAM_CONTENT_COUNT*EntryNo;
TargetCommand |= BIT31|BIT16;
if(i==0){//MAC|Config
TargetContent = (u32)(*(MacAddr+0)) << 16|
(u32)(*(MacAddr+1)) << 24|
(u32)usConfig;
write_nic_dword(dev, WCAMI, TargetContent);
write_nic_dword(dev, RWCAM, TargetCommand);
// printk("setkey cam =%8x\n", read_cam(dev, i+6*EntryNo));
}
else if(i==1){//MAC
TargetContent = (u32)(*(MacAddr+2)) |
(u32)(*(MacAddr+3)) << 8|
(u32)(*(MacAddr+4)) << 16|
(u32)(*(MacAddr+5)) << 24;
write_nic_dword(dev, WCAMI, TargetContent);
write_nic_dword(dev, RWCAM, TargetCommand);
}
else { //Key Material
if(KeyContent != NULL)
{
write_nic_dword(dev, WCAMI, (u32)(*(KeyContent+i-2)) );
write_nic_dword(dev, RWCAM, TargetCommand);
}
}
}
RT_TRACE(COMP_SEC,"=========>after set key, usconfig:%x\n", usConfig);
}
// This function seems not ready! WB
void CamPrintDbgReg(struct net_device* dev)
{
unsigned long rvalue;
unsigned char ucValue;
write_nic_dword(dev, DCAM, 0x80000000);
msleep(40);
rvalue = read_nic_dword(dev, DCAM); //delay_ms(40);
RT_TRACE(COMP_SEC, " TX CAM=%8lX ",rvalue);
if((rvalue & 0x40000000) != 0x4000000)
RT_TRACE(COMP_SEC, "-->TX Key Not Found ");
msleep(20);
write_nic_dword(dev, DCAM, 0x00000000); //delay_ms(40);
rvalue = read_nic_dword(dev, DCAM); //delay_ms(40);
RT_TRACE(COMP_SEC, "RX CAM=%8lX ",rvalue);
if((rvalue & 0x40000000) != 0x4000000)
RT_TRACE(COMP_SEC, "-->CAM Key Not Found ");
ucValue = read_nic_byte(dev, SECR);
RT_TRACE(COMP_SEC, "WPA_Config=%x \n",ucValue);
}
/***************************************************************************
------------------- module init / exit stubs ----------------
****************************************************************************/
module_init(rtl8192_pci_module_init);
module_exit(rtl8192_pci_module_exit);