diff options
Diffstat (limited to 'drivers/staging/rtl8192u/r8192U_core.c')
| -rw-r--r-- | drivers/staging/rtl8192u/r8192U_core.c | 6085 |
1 files changed, 6085 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c new file mode 100644 index 000000000000..adade13e1e19 --- /dev/null +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -0,0 +1,6085 @@ +/****************************************************************************** + * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. + * Linux device driver for RTL8192U + * + * Based on the r8187 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> + */ + +#ifndef CONFIG_FORCE_HARD_FLOAT +double __floatsidf (int i) { return i; } +unsigned int __fixunsdfsi (double d) { return d; } +double __adddf3(double a, double b) { return a+b; } +double __addsf3(float a, float b) { return a+b; } +double __subdf3(double a, double b) { return a-b; } +double __extendsfdf2(float a) {return a;} +#endif + +#undef LOOP_TEST +#undef DUMP_RX +#undef DUMP_TX +#undef DEBUG_TX_DESC2 +#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 <asm/uaccess.h> +#include "r8192U_hw.h" +#include "r8192U.h" +#include "r8190_rtl8256.h" /* RTL8225 Radio frontend */ +#include "r8180_93cx6.h" /* Card EEPROM */ +#include "r8192U_wx.h" +#include "r819xU_phy.h" //added by WB 4.30.2008 +#include "r819xU_phyreg.h" +#include "r819xU_cmdpkt.h" +#include "r8192U_dm.h" +//#include "r8192xU_phyreg.h" +#include <linux/usb.h> +// FIXME: check if 2.6.7 is ok + +#ifdef CONFIG_RTL8192_PM +#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_DBG | + // COMP_EPROM | +// COMP_PHY | + // COMP_RF | +// COMP_FIRMWARE | +// COMP_CH | + // COMP_POWER_TRACKING | +// COMP_RATE | + // COMP_TXAGC | + // COMP_TRACE | + COMP_DOWN | + // COMP_RECV | + // COMP_SWBW | + COMP_SEC | + // COMP_RESET | + // COMP_SEND | + // COMP_EVENTS | + COMP_ERR ; //always open err flags on + +#define TOTAL_CAM_ENTRY 32 +#define CAM_CONTENT_COUNT 8 + +static struct usb_device_id rtl8192_usb_id_tbl[] = { + /* Realtek */ + {USB_DEVICE(0x0bda, 0x8192)}, + {USB_DEVICE(0x0bda, 0x8709)}, + /* Corega */ + {USB_DEVICE(0x07aa, 0x0043)}, + /* Belkin */ + {USB_DEVICE(0x050d, 0x805E)}, + /* Sitecom */ + {USB_DEVICE(0x0df6, 0x0031)}, + /* EnGenius */ + {USB_DEVICE(0x1740, 0x9201)}, + /* Dlink */ + {USB_DEVICE(0x2001, 0x3301)}, + /* Zinwell */ + {USB_DEVICE(0x5a57, 0x0290)}, + {} +}; + +MODULE_LICENSE("GPL"); +MODULE_VERSION("V 1.1"); +MODULE_DEVICE_TABLE(usb, rtl8192_usb_id_tbl); +MODULE_DESCRIPTION("Linux driver for Realtek RTL8192 USB WiFi cards"); + +static char* ifname = "wlan%d"; +static int hwwep = 1; //default use hw. set 0 to use software security +static int channels = 0x3fff; + + + +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 security support. "); +MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI"); + +static int __devinit rtl8192_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id); +static void __devexit rtl8192_usb_disconnect(struct usb_interface *intf); + + +static struct usb_driver rtl8192_usb_driver = { + .name = RTL819xU_MODULE_NAME, /* Driver name */ + .id_table = rtl8192_usb_id_tbl, /* PCI_ID table */ + .probe = rtl8192_usb_probe, /* probe fn */ + .disconnect = rtl8192_usb_disconnect, /* remove fn */ +#ifdef CONFIG_RTL8192_PM + .suspend = rtl8192_suspend, /* PM suspend fn */ + .resume = rtl8192_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 settings. + Dot11d_Reset(ieee); + ieee->bGlobalDomain = true; + break; + } + default: + break; + } + return; +} +#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 ) + +#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) +{ + u32 ulcommand = 0; + //2004/02/11 In static WEP, OID_ADD_KEY or OID_ADD_WEP are set before STA associate to AP. + // However, ResetKey is called on OID_802_11_INFRASTRUCTURE_MODE and MlmeAssociateRequest + // In this condition, Cam can not be reset because upper layer will not set this static key again. + //if(Adapter->EncAlgorithm == WEP_Encryption) + // return; +//debug + //DbgPrint("========================================\n"); + //DbgPrint(" Call ResetAllEntry \n"); + //DbgPrint("========================================\n\n"); + ulcommand |= BIT31|BIT30; + write_nic_dword(dev, RWCAM, ulcommand); + +} + + +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); +} + +void write_nic_byte_E(struct net_device *dev, int indx, u8 data) +{ + int status; + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct usb_device *udev = priv->udev; + + status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, + indx|0xfe00, 0, &data, 1, HZ / 2); + + if (status < 0) + { + printk("write_nic_byte_E TimeOut! status:%d\n", status); + } +} + +u8 read_nic_byte_E(struct net_device *dev, int indx) +{ + int status; + u8 data; + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct usb_device *udev = priv->udev; + + status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, + indx|0xfe00, 0, &data, 1, HZ / 2); + + if (status < 0) + { + printk("read_nic_byte_E TimeOut! status:%d\n", status); + } + + return data; +} +//as 92U has extend page from 4 to 16, so modify functions below. +void write_nic_byte(struct net_device *dev, int indx, u8 data) +{ + int status; + + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct usb_device *udev = priv->udev; + + status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, + (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 1, HZ / 2); + + if (status < 0) + { + printk("write_nic_byte TimeOut! status:%d\n", status); + } + + +} + + +void write_nic_word(struct net_device *dev, int indx, u16 data) +{ + + int status; + + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct usb_device *udev = priv->udev; + + status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, + (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 2, HZ / 2); + + if (status < 0) + { + printk("write_nic_word TimeOut! status:%d\n", status); + } + +} + + +void write_nic_dword(struct net_device *dev, int indx, u32 data) +{ + + int status; + + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct usb_device *udev = priv->udev; + + status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, + (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 4, HZ / 2); + + + if (status < 0) + { + printk("write_nic_dword TimeOut! status:%d\n", status); + } + +} + + + +u8 read_nic_byte(struct net_device *dev, int indx) +{ + u8 data; + int status; + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct usb_device *udev = priv->udev; + + status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, + (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 1, HZ / 2); + + if (status < 0) + { + printk("read_nic_byte TimeOut! status:%d\n", status); + } + + return data; +} + + + +u16 read_nic_word(struct net_device *dev, int indx) +{ + u16 data; + int status; + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct usb_device *udev = priv->udev; + + status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, + (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 2, HZ / 2); + + if (status < 0) + { + printk("read_nic_word TimeOut! status:%d\n", status); + } + + + return data; +} + +u16 read_nic_word_E(struct net_device *dev, int indx) +{ + u16 data; + int status; + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct usb_device *udev = priv->udev; + + status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, + indx|0xfe00, 0, &data, 2, HZ / 2); + + if (status < 0) + { + printk("read_nic_word TimeOut! status:%d\n", status); + } + + + return data; +} + +u32 read_nic_dword(struct net_device *dev, int indx) +{ + u32 data; + int status; +// int result; + + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct usb_device *udev = priv->udev; + + status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, + (indx&0xff)|0xff00, (indx>>8)&0x0f, &data, 4, HZ / 2); +// if(0 != result) { +// printk(KERN_WARNING "read size of data = %d\, date = %d\n", result, data); +// } + + if (status < 0) + { + printk("read_nic_dword TimeOut! status:%d\n", status); + } + + + + return data; +} + + +//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) +{ +} + + +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); + +/**************************************************************************** + -----------------------------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,0x000|n)); + + // printk("%2x ",read_nic_byte(dev,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)); + } + + + len += snprintf(page + len, count - len,"\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 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 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.txhpokint, +// priv->stats.txhperr, + priv->stats.txresumed, + netif_queue_stopped(dev), + priv->stats.txoverflow, +// priv->stats.txbeacon, + atomic_read(&(priv->tx_pending[VI_PRIORITY])), + atomic_read(&(priv->tx_pending[VO_PRIORITY])), + atomic_read(&(priv->tx_pending[BE_PRIORITY])), + atomic_read(&(priv->tx_pending[BK_PRIORITY])), +// read_nic_byte(dev, TXFIFOCOUNT), + priv->stats.txvidrop, + priv->stats.txvodrop, + 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 urb status error: %lu\n" + "RX invalid urb error: %lu\n", + priv->stats.rxoktotal, + priv->stats.rxstaterr, + priv->stats.rxurberr); + + *eof = 1; + return len; +} +void rtl8192_proc_module_init(void) +{ + RT_TRACE(COMP_INIT, "Initializing proc filesystem"); + rtl8192_proc=create_proc_entry(RTL819xU_MODULE_NAME, S_IFDIR, init_net.proc_net); +} + + +void rtl8192_proc_module_remove(void) +{ + remove_proc_entry(RTL819xU_MODULE_NAME, init_net.proc_net); +} + + +void rtl8192_proc_remove_one(struct net_device *dev) +{ + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + + + 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; + } +} + + +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------------------------- +*****************************************************************************/ + +/* this is only for debugging */ +void print_buffer(u32 *buffer, int len) +{ + int i; + u8 *buf =(u8*)buffer; + + printk("ASCII BUFFER DUMP (len: %x):\n",len); + + for(i=0;i<len;i++) + printk("%c",buf[i]); + + printk("\nBINARY BUFFER DUMP (len: %x):\n",len); + + for(i=0;i<len;i++) + printk("%x",buf[i]); + + printk("\n"); +} + +//short check_nic_enough_desc(struct net_device *dev, priority_t priority) +short check_nic_enough_desc(struct net_device *dev,int queue_index) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + int used = atomic_read(&priv->tx_pending[queue_index]); + + return (used < MAX_TX_URB); +} + +void tx_timeout(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + //rtl8192_commit(dev); + + schedule_work(&priv->reset_wq); + //DMESG("TXTIMEOUT"); +} + + +/* this is only for debug */ +void dump_eprom(struct net_device *dev) +{ + int i; + for(i=0; i<63; i++) + RT_TRACE(COMP_EPROM, "EEPROM addr %x : %x", i, eprom_read(dev,i)); +} + +/* this is only for debug */ +void rtl8192_dump_reg(struct net_device *dev) +{ + int i; + int n; + int max=0x1ff; + + RT_TRACE(COMP_PHY, "Dumping NIC register map"); + + for(n=0;n<=max;) + { + printk( "\nD: %2x> ", n); + for(i=0;i<16 && n<=max;i++,n++) + printk("%2x ",read_nic_byte(dev,n)); + } + printk("\n"); +} + +/**************************************************************************** + ------------------------------HW STUFF--------------------------- +*****************************************************************************/ + + +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); +// u32 tx; + RT_TRACE(COMP_CH, "=====>%s()====ch:%d\n", __FUNCTION__, ch); + priv->chan=ch; + + /* this hack should avoid frame TX during channel setting*/ + + +// tx = read_nic_dword(dev,TX_CONF); +// tx &= ~TX_LOOPBACK_MASK; + +#ifndef LOOP_TEST +// 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 +} + +static void rtl8192_rx_isr(struct urb *urb); +//static void rtl8192_rx_isr(struct urb *rx_urb); + +u32 get_rxpacket_shiftbytes_819xusb(struct ieee80211_rx_stats *pstats) +{ + +#ifdef USB_RX_AGGREGATION_SUPPORT + if (pstats->bisrxaggrsubframe) + return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize + + pstats->RxBufShift + 8); + else +#endif + return (sizeof(rx_desc_819x_usb) + pstats->RxDrvInfoSize + + pstats->RxBufShift); + +} +static int rtl8192_rx_initiate(struct net_device*dev) +{ + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct urb *entry; + struct sk_buff *skb; + struct rtl8192_rx_info *info; + + /* nomal packet rx procedure */ + while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB) { + skb = __dev_alloc_skb(RX_URB_SIZE, GFP_KERNEL); + if (!skb) + break; + entry = usb_alloc_urb(0, GFP_KERNEL); + if (!entry) { + kfree_skb(skb); + break; + } +// printk("nomal packet IN request!\n"); + usb_fill_bulk_urb(entry, priv->udev, + usb_rcvbulkpipe(priv->udev, 3), skb_tail_pointer(skb), + RX_URB_SIZE, rtl8192_rx_isr, skb); + info = (struct rtl8192_rx_info *) skb->cb; + info->urb = entry; + info->dev = dev; + info->out_pipe = 3; //denote rx normal packet queue + skb_queue_tail(&priv->rx_queue, skb); + usb_submit_urb(entry, GFP_KERNEL); + } + + /* command packet rx procedure */ + while (skb_queue_len(&priv->rx_queue) < MAX_RX_URB + 3) { +// printk("command packet IN request!\n"); + skb = __dev_alloc_skb(RX_URB_SIZE ,GFP_KERNEL); + if (!skb) + break; + entry = usb_alloc_urb(0, GFP_KERNEL); + if (!entry) { + kfree_skb(skb); + break; + } + usb_fill_bulk_urb(entry, priv->udev, + usb_rcvbulkpipe(priv->udev, 9), skb_tail_pointer(skb), + RX_URB_SIZE, rtl8192_rx_isr, skb); + info = (struct rtl8192_rx_info *) skb->cb; + info->urb = entry; + info->dev = dev; + info->out_pipe = 9; //denote rx cmd packet queue + skb_queue_tail(&priv->rx_queue, skb); + usb_submit_urb(entry, GFP_KERNEL); + } + + return 0; +} + +void rtl8192_set_rxconf(struct net_device *dev) +{ + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + u32 rxconf; + + rxconf=read_nic_dword(dev,RCR); + rxconf = rxconf &~ MAC_FILTER_MASK; + rxconf = rxconf | RCR_AMF; + rxconf = rxconf | RCR_ADF; + rxconf = rxconf | RCR_AB; + rxconf = rxconf | RCR_AM; + //rxconf = rxconf | RCR_ACF; + + if (dev->flags & IFF_PROMISC) {DMESG ("NIC in promisc mode");} + + if(priv->ieee80211->iw_mode == IW_MODE_MONITOR || \ + dev->flags & IFF_PROMISC){ + rxconf = rxconf | RCR_AAP; + } /*else if(priv->ieee80211->iw_mode == IW_MODE_MASTER){ + rxconf = rxconf | (1<<ACCEPT_ALLMAC_FRAME_SHIFT); + rxconf = rxconf | (1<<RX_CHECK_BSSID_SHIFT); + }*/else{ + rxconf = rxconf | RCR_APM; + rxconf = rxconf | RCR_CBSSID; + } + + + if(priv->ieee80211->iw_mode == IW_MODE_MONITOR){ + rxconf = rxconf | RCR_AICV; + rxconf = rxconf | RCR_APWRMGT; + } + + if( priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR) + rxconf = rxconf | RCR_ACRC32; + + + rxconf = rxconf &~ RX_FIFO_THRESHOLD_MASK; + rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE<<RX_FIFO_THRESHOLD_SHIFT); + rxconf = rxconf &~ MAX_RX_DMA_MASK; + rxconf = rxconf | ((u32)7<<RCR_MXDMA_OFFSET); + +// rxconf = rxconf | (1<<RX_AUTORESETPHY_SHIFT); + rxconf = rxconf | RCR_ONLYERLPKT; + +// rxconf = rxconf &~ RCR_CS_MASK; +// rxconf = rxconf | (1<<RCR_CS_SHIFT); + + write_nic_dword(dev, RCR, rxconf); + + #ifdef DEBUG_RX + DMESG("rxconf: %x %x",rxconf ,read_nic_dword(dev,RCR)); + #endif +} +//wait to be removed +void rtl8192_rx_enable(struct net_device *dev) +{ + //u8 cmd; + + //struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + + rtl8192_rx_initiate(dev); + +// rtl8192_set_rxconf(dev); +} + + +void rtl8192_tx_enable(struct net_device *dev) +{ +} + + + +void rtl8192_rtx_disable(struct net_device *dev) +{ + u8 cmd; + struct r8192_priv *priv = ieee80211_priv(dev); + struct sk_buff *skb; + struct rtl8192_rx_info *info; + + cmd=read_nic_byte(dev,CMDR); + write_nic_byte(dev, CMDR, cmd &~ \ + (CR_TE|CR_RE)); + force_pci_posting(dev); + mdelay(10); + + while ((skb = __skb_dequeue(&priv->rx_queue))) { + info = (struct rtl8192_rx_info *) skb->cb; + if (!info->urb) + continue; + + usb_kill_urb(info->urb); + kfree_skb(skb); + } + + if (skb_queue_len(&priv->skb_queue)) { + printk(KERN_WARNING "skb_queue not empty\n"); + } + + skb_queue_purge(&priv->skb_queue); + return; +} + + +int alloc_tx_beacon_desc_ring(struct net_device *dev, int count) +{ + return 0; +} + +inline u16 ieeerate2rtlrate(int rate) +{ + switch(rate){ + case 10: + return 0; + case 20: + return 1; + case 55: + return 2; + case 110: + return 3; + case 60: + return 4; + case 90: + return 5; + case 120: + return 6; + case 180: + return 7; + case 240: + return 8; + case 360: + return 9; + case 480: + return 10; + case 540: + return 11; + default: + return 3; + + } +} +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]; +} + + +/* The protype of rx_isr has changed since one verion of Linux Kernel */ +static void rtl8192_rx_isr(struct urb *urb) +{ + struct sk_buff *skb = (struct sk_buff *) urb->context; + struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; + struct net_device *dev = info->dev; + struct r8192_priv *priv = ieee80211_priv(dev); + int out_pipe = info->out_pipe; + int err; + if(!priv->up) + return; + if (unlikely(urb->status)) { + info->urb = NULL; + priv->stats.rxstaterr++; + priv->ieee80211->stats.rx_errors++; + usb_free_urb(urb); + // printk("%s():rx status err\n",__FUNCTION__); + return; + } + skb_unlink(skb, &priv->rx_queue); + skb_put(skb, urb->actual_length); + + skb_queue_tail(&priv->skb_queue, skb); + tasklet_schedule(&priv->irq_rx_tasklet); + + skb = dev_alloc_skb(RX_URB_SIZE); + if (unlikely(!skb)) { + usb_free_urb(urb); + printk("%s():can,t alloc skb\n",__FUNCTION__); + /* TODO check rx queue length and refill *somewhere* */ + return; + } + + usb_fill_bulk_urb(urb, priv->udev, + usb_rcvbulkpipe(priv->udev, out_pipe), skb_tail_pointer(skb), + RX_URB_SIZE, rtl8192_rx_isr, skb); + + info = (struct rtl8192_rx_info *) skb->cb; + info->urb = urb; + info->dev = dev; + info->out_pipe = out_pipe; + + urb->transfer_buffer = skb_tail_pointer(skb); + urb->context = skb; + skb_queue_tail(&priv->rx_queue, skb); + err = usb_submit_urb(urb, GFP_ATOMIC); + if(err && err != EPERM) + printk("can not submit rxurb, err is %x,URB status is %x\n",err,urb->status); +} + +u32 +rtl819xusb_rx_command_packet( + struct net_device *dev, + struct ieee80211_rx_stats *pstats + ) +{ + u32 status; + + //RT_TRACE(COMP_RECV, DBG_TRACE, ("---> RxCommandPacketHandle819xUsb()\n")); + + status = cmpk_message_handle_rx(dev, pstats); + if (status) + { + DMESG("rxcommandpackethandle819xusb: It is a command packet\n"); + } + else + { + //RT_TRACE(COMP_RECV, DBG_TRACE, ("RxCommandPacketHandle819xUsb: It is not a command packet\n")); + } + + //RT_TRACE(COMP_RECV, DBG_TRACE, ("<--- RxCommandPacketHandle819xUsb()\n")); + return status; +} + + +void rtl8192_data_hard_stop(struct net_device *dev) +{ + //FIXME !! +} + + +void rtl8192_data_hard_resume(struct net_device *dev) +{ + // FIXME !! +} + +/* 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 + */ +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)); +// 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); + + //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). + */ +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); + rtl819xU_tx_cmd(dev, skb); + ret = 1; + spin_unlock_irqrestore(&priv->tx_lock,flags); + return ret; + } else { + skb_push(skb, priv->ieee80211->tx_headroom); + ret = rtl8192_tx(dev, skb); + } + + spin_unlock_irqrestore(&priv->tx_lock,flags); + + return ret; +} + + +void rtl8192_try_wake_queue(struct net_device *dev, int pri); + +#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE +u16 DrvAggr_PaddingAdd(struct net_device *dev, struct sk_buff *skb) +{ + u16 PaddingNum = 256 - ((skb->len + TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES) % 256); + return (PaddingNum&0xff); +} + +u8 MRateToHwRate8190Pci(u8 rate); +u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc); +u8 MapHwQueueToFirmwareQueue(u8 QueueID); +struct sk_buff *DrvAggr_Aggregation(struct net_device *dev, struct ieee80211_drv_agg_txb *pSendList) +{ + struct ieee80211_device *ieee = netdev_priv(dev); + struct r8192_priv *priv = ieee80211_priv(dev); + cb_desc *tcb_desc = NULL; + u8 i; + u32 TotalLength; + struct sk_buff *skb; + struct sk_buff *agg_skb; + tx_desc_819x_usb_aggr_subframe *tx_agg_desc = NULL; + tx_fwinfo_819x_usb *tx_fwinfo = NULL; + + // + // Local variable initialization. + // + /* first skb initialization */ + skb = pSendList->tx_agg_frames[0]; + TotalLength = skb->len; + + /* Get the total aggregation length including the padding space and + * sub frame header. + */ + for(i = 1; i < pSendList->nr_drv_agg_frames; i++) { + TotalLength += DrvAggr_PaddingAdd(dev, skb); + skb = pSendList->tx_agg_frames[i]; + TotalLength += (skb->len + TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES); + } + + /* allocate skb to contain the aggregated packets */ + agg_skb = dev_alloc_skb(TotalLength + ieee->tx_headroom); + memset(agg_skb->data, 0, agg_skb->len); + skb_reserve(agg_skb, ieee->tx_headroom); + +// RT_DEBUG_DATA(COMP_SEND, skb->cb, sizeof(skb->cb)); + /* reserve info for first subframe Tx descriptor to be set in the tx function */ + skb = pSendList->tx_agg_frames[0]; + tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); + tcb_desc->drv_agg_enable = 1; + tcb_desc->pkt_size = skb->len; + tcb_desc->DrvAggrNum = pSendList->nr_drv_agg_frames; + printk("DrvAggNum = %d\n", tcb_desc->DrvAggrNum); +// RT_DEBUG_DATA(COMP_SEND, skb->cb, sizeof(skb->cb)); +// printk("========>skb->data ======> \n"); +// RT_DEBUG_DATA(COMP_SEND, skb->data, skb->len); + memcpy(agg_skb->cb, skb->cb, sizeof(skb->cb)); + memcpy(skb_put(agg_skb,skb->len),skb->data,skb->len); + + for(i = 1; i < pSendList->nr_drv_agg_frames; i++) { + /* push the next sub frame to be 256 byte aline */ + skb_put(agg_skb,DrvAggr_PaddingAdd(dev,skb)); + + /* Subframe drv Tx descriptor and firmware info setting */ + skb = pSendList->tx_agg_frames[i]; + tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); + tx_agg_desc = (tx_desc_819x_usb_aggr_subframe *)agg_skb->tail; + tx_fwinfo = (tx_fwinfo_819x_usb *)(agg_skb->tail + sizeof(tx_desc_819x_usb_aggr_subframe)); + + memset(tx_fwinfo,0,sizeof(tx_fwinfo_819x_usb)); + /* DWORD 0 */ + tx_fwinfo->TxHT = (tcb_desc->data_rate&0x80)?1:0; + tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate); + tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur; + tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate, tcb_desc); + if(tcb_desc->bAMPDUEnable) {//AMPDU enabled + tx_fwinfo->AllowAggregation = 1; + /* DWORD 1 */ + tx_fwinfo->RxMF = tcb_desc->ampdu_factor; + tx_fwinfo->RxAMD = tcb_desc->ampdu_density&0x07;//ampdudensity + } else { + tx_fwinfo->AllowAggregation = 0; + /* DWORD 1 */ + tx_fwinfo->RxMF = 0; + tx_fwinfo->RxAMD = 0; + } + + /* Protection mode related */ + tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable)?1:0; + tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable)?1:0; + tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC)?1:0; + tx_fwinfo->RtsHT = (tcb_desc->rts_rate&0x80)?1:0; + tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate); + tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT==0)?(tcb_desc->RTSSC):0; + tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT==1)?((tcb_desc->bRTSBW)?1:0):0; + tx_fwinfo->RtsShort = (tx_fwinfo->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) { + tx_fwinfo->TxBandwidth = 1; + tx_fwinfo->TxSubCarrier = 0; //By SD3's Jerry suggestion, use duplicated mode + } else { + tx_fwinfo->TxBandwidth = 0; + tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC; + } + } else { + tx_fwinfo->TxBandwidth = 0; + tx_fwinfo->TxSubCarrier = 0; + } + + /* Fill Tx descriptor */ + memset(tx_agg_desc, 0, sizeof(tx_desc_819x_usb_aggr_subframe)); + /* DWORD 0 */ + //tx_agg_desc->LINIP = 0; + //tx_agg_desc->CmdInit = 1; + tx_agg_desc->Offset = sizeof(tx_fwinfo_819x_usb) + 8; + /* already raw data, need not to substract header length */ + tx_agg_desc->PktSize = skb->len & 0xffff; + + /*DWORD 1*/ + tx_agg_desc->SecCAMID= 0; + tx_agg_desc->RATid = tcb_desc->RATRIndex; + { + //MPDUOverhead = 0; + tx_agg_desc->NoEnc = 1; + } + tx_agg_desc->SecType = 0x0; + + if (tcb_desc->bHwSec) { + switch (priv->ieee80211->pairwise_key_type) + { + case KEY_TYPE_WEP40: + case KEY_TYPE_WEP104: + tx_agg_desc->SecType = 0x1; + tx_agg_desc->NoEnc = 0; + break; + case KEY_TYPE_TKIP: + tx_agg_desc->SecType = 0x2; + tx_agg_desc->NoEnc = 0; + break; + case KEY_TYPE_CCMP: + tx_agg_desc->SecType = 0x3; + tx_agg_desc->NoEnc = 0; + break; + case KEY_TYPE_NA: + tx_agg_desc->SecType = 0x0; + tx_agg_desc->NoEnc = 1; + break; + } + } + + tx_agg_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index); + tx_agg_desc->TxFWInfoSize = sizeof(tx_fwinfo_819x_usb); + + tx_agg_desc->DISFB = tcb_desc->bTxDisableRateFallBack; + tx_agg_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate; + + tx_agg_desc->OWN = 1; + + //DWORD 2 + /* According windows driver, it seems that there no need to fill this field */ + //tx_agg_desc->TxBufferSize= (u32)(skb->len - USB_HWDESC_HEADER_LEN); + + /* to fill next packet */ + skb_put(agg_skb,TX_PACKET_DRVAGGR_SUBFRAME_SHIFT_BYTES); + memcpy(skb_put(agg_skb,skb->len),skb->data,skb->len); + } + + for(i = 0; i < pSendList->nr_drv_agg_frames; i++) { + dev_kfree_skb_any(pSendList->tx_agg_frames[i]); + } + + return agg_skb; +} + +/* NOTE: + This function return a list of PTCB which is proper to be aggregate with the input TCB. + If no proper TCB is found to do aggregation, SendList will only contain the input TCB. +*/ +u8 DrvAggr_GetAggregatibleList(struct net_device *dev, struct sk_buff *skb, + struct ieee80211_drv_agg_txb *pSendList) +{ + struct ieee80211_device *ieee = netdev_priv(dev); + PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo; + u16 nMaxAggrNum = pHTInfo->UsbTxAggrNum; + cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); + u8 QueueID = tcb_desc->queue_index; + + do { + pSendList->tx_agg_frames[pSendList->nr_drv_agg_frames++] = skb; + if(pSendList->nr_drv_agg_frames >= nMaxAggrNum) { + break; + } + + } while((skb = skb_dequeue(&ieee->skb_drv_aggQ[QueueID]))); + + RT_TRACE(COMP_AMSDU, "DrvAggr_GetAggregatibleList, nAggrTcbNum = %d \n", pSendList->nr_drv_agg_frames); + return pSendList->nr_drv_agg_frames; +} +#endif + +static void rtl8192_tx_isr(struct urb *tx_urb) +{ + struct sk_buff *skb = (struct sk_buff*)tx_urb->context; + struct net_device *dev = NULL; + struct r8192_priv *priv = NULL; + cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); + u8 queue_index = tcb_desc->queue_index; +// bool bToSend0Byte; +// u16 BufLen = skb->len; + + memcpy(&dev,(struct net_device*)(skb->cb),sizeof(struct net_device*)); + priv = ieee80211_priv(dev); + + if(tcb_desc->queue_index != TXCMD_QUEUE) { + if(tx_urb->status == 0) { + dev->trans_start = jiffies; + // As act as station mode, destion shall be unicast address. + //priv->ieee80211->stats.tx_bytes+=(skb->len - priv->ieee80211->tx_headroom); + //priv->ieee80211->stats.tx_packets++; + priv->stats.txoktotal++; + priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; + priv->stats.txbytesunicast += (skb->len - priv->ieee80211->tx_headroom); + } else { + priv->ieee80211->stats.tx_errors++; + //priv->stats.txmanageerr++; + /* TODO */ + } + } + + /* free skb and tx_urb */ + if(skb != NULL) { + dev_kfree_skb_any(skb); + usb_free_urb(tx_urb); + atomic_dec(&priv->tx_pending[queue_index]); + } + + { + // + // Handle HW Beacon: + // We had transfer our beacon frame to host controler at this moment. + // + // + // Caution: + // Handling the wait queue of command packets. + // For Tx command packets, we must not do TCB fragment because it is not handled right now. + // We must cut the packets to match the size of TX_CMD_PKT before we send it. + // + + /* Handle MPDU in wait queue. */ + if(queue_index != BEACON_QUEUE) { + /* Don't send data frame during scanning.*/ + if((skb_queue_len(&priv->ieee80211->skb_waitQ[queue_index]) != 0)&&\ + (!(priv->ieee80211->queue_stop))) { + if(NULL != (skb = skb_dequeue(&(priv->ieee80211->skb_waitQ[queue_index])))) + priv->ieee80211->softmac_hard_start_xmit(skb, dev); + + return; //modified by david to avoid further processing AMSDU + } +#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE + else if ((skb_queue_len(&priv->ieee80211->skb_drv_aggQ[queue_index])!= 0)&&\ + (!(priv->ieee80211->queue_stop))) { + // Tx Driver Aggregation process + /* The driver will aggregation the packets according to the following stets + * 1. check whether there's tx irq available, for it's a completion return + * function, it should contain enough tx irq; + * 2. check pakcet type; + * 3. intialize sendlist, check whether the to-be send packet no greater than 1 + * 4. aggregation the packets, and fill firmware info and tx desc to it, etc. + * 5. check whehter the packet could be sent, otherwise just insert to wait head + * */ + skb = skb_dequeue(&priv->ieee80211->skb_drv_aggQ[queue_index]); + if(!check_nic_enough_desc(dev, queue_index)) { + skb_queue_head(&(priv->ieee80211->skb_drv_aggQ[queue_index]), skb); + return; + } + + { + /*TODO*/ + /* + u8* pHeader = skb->data; + + if(IsMgntQosData(pHeader) || + IsMgntQData_Ack(pHeader) || + IsMgntQData_Poll(pHeader) || + IsMgntQData_Poll_Ack(pHeader) + ) + */ + { + struct ieee80211_drv_agg_txb SendList; + + memset(&SendList, 0, sizeof(struct ieee80211_drv_agg_txb)); + if(DrvAggr_GetAggregatibleList(dev, skb, &SendList) > 1) { + skb = DrvAggr_Aggregation(dev, &SendList); + + } + } + priv->ieee80211->softmac_hard_start_xmit(skb, dev); + } + } +#endif + } + } + +} + +void rtl8192_beacon_stop(struct net_device *dev) +{ + u8 msr, msrm, msr2; + struct r8192_priv *priv = ieee80211_priv(dev); + + msr = read_nic_byte(dev, MSR); + msrm = msr & MSR_LINK_MASK; + msr2 = msr & ~MSR_LINK_MASK; + + if(NIC_8192U == priv->card_8192) { + usb_kill_urb(priv->rx_urb[MAX_RX_URB]); + } + if ((msrm == (MSR_LINK_ADHOC<<MSR_LINK_SHIFT) || + (msrm == (MSR_LINK_MASTER<<MSR_LINK_SHIFT)))){ + write_nic_byte(dev, MSR, msr2 | MSR_LINK_NONE); + write_nic_byte(dev, MSR, msr); + } +} + +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 + +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); + } + +} +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; + + rtl8192_config_rate(dev, &rate_config); + priv->basic_rate = rate_config &= 0x15f; + + write_nic_dword(dev,BSSIDR,((u32*)net->bssid)[0]); + write_nic_word(dev,BSSIDR+4,((u16*)net->bssid)[2]); + //for(i=0;i<ETH_ALEN;i++) + // write_nic_byte(dev,BSSID+i,net->bssid[i]); + + rtl8192_update_msr(dev); +// 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, 1023); + write_nic_word(dev, BCN_INTERVAL, net->beacon_interval); +// write_nic_word(dev, BcnIntTime, 100); + write_nic_word(dev, BCN_DRV_EARLY_INT, 1); + 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); + } + + + +} + +//temporary hw beacon is not used any more. +//open it when necessary +void rtl819xusb_beacon_tx(struct net_device *dev,u16 tx_rate) +{ + +} +inline u8 rtl8192_IsWirelessBMode(u16 rate) +{ + if( ((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220) ) + return 1; + else return 0; +} + +u16 N_DBPSOfRate(u16 DataRate); + +u16 ComputeTxTime( + u16 FrameLength, + u16 DataRate, + u8 bManagementFrame, + u8 bShortPreamble +) +{ + u16 FrameTime; + u16 N_DBPS; + u16 Ceiling; + + if( rtl8192_IsWirelessBMode(DataRate) ) + { + if( bManagementFrame || !bShortPreamble || DataRate == 10 ) + { // long preamble + FrameTime = (u16)(144+48+(FrameLength*8/(DataRate/10))); + } + else + { // Short preamble + FrameTime = (u16)(72+24+(FrameLength*8/(DataRate/10))); + } + if( ( FrameLength*8 % (DataRate/10) ) != 0 ) //Get the Ceilling + FrameTime ++; + } else { //802.11g DSSS-OFDM PLCP length field calculation. + N_DBPS = N_DBPSOfRate(DataRate); + Ceiling = (16 + 8*FrameLength + 6) / N_DBPS + + (((16 + 8*FrameLength + 6) % N_DBPS) ? 1 : 0); + FrameTime = (u16)(16 + 4 + 4*Ceiling + 6); + } + return FrameTime; +} + +u16 N_DBPSOfRate(u16 DataRate) +{ + u16 N_DBPS = 24; + + switch(DataRate) + { + case 60: + N_DBPS = 24; + break; + + case 90: + N_DBPS = 36; + break; + + case 120: + N_DBPS = 48; + break; + + case 180: + N_DBPS = 72; + break; + + case 240: + N_DBPS = 96; + break; + + case 360: + N_DBPS = 144; + break; + + case 480: + N_DBPS = 192; + break; + + case 540: + N_DBPS = 216; + break; + + default: + break; + } + + return N_DBPS; +} + +void rtl819xU_cmd_isr(struct urb *tx_cmd_urb, struct pt_regs *regs) +{ + usb_free_urb(tx_cmd_urb); +} + +unsigned int txqueue2outpipe(struct r8192_priv* priv,unsigned int tx_queue) { + + if(tx_queue >= 9) + { + RT_TRACE(COMP_ERR,"%s():Unknown queue ID!!!\n",__FUNCTION__); + return 0x04; + } + return priv->txqueue_to_outpipemap[tx_queue]; +} + +short rtl819xU_tx_cmd(struct net_device *dev, struct sk_buff *skb) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + //u8 *tx; + int status; + struct urb *tx_urb; + //int urb_buf_len; + unsigned int idx_pipe; + tx_desc_cmd_819x_usb *pdesc = (tx_desc_cmd_819x_usb *)skb->data; + cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); + u8 queue_index = tcb_desc->queue_index; + + //printk("\n %s::queue_index = %d\n",__FUNCTION__, queue_index); + atomic_inc(&priv->tx_pending[queue_index]); + tx_urb = usb_alloc_urb(0,GFP_ATOMIC); + if(!tx_urb){ + dev_kfree_skb(skb); + return -ENOMEM; + } + + memset(pdesc, 0, USB_HWDESC_HEADER_LEN); + /* Tx descriptor ought to be set according to the skb->cb */ + pdesc->FirstSeg = 1;//bFirstSeg; + pdesc->LastSeg = 1;//bLastSeg; + pdesc->CmdInit = tcb_desc->bCmdOrInit; + pdesc->TxBufferSize = tcb_desc->txbuf_size; + pdesc->OWN = 1; + pdesc->LINIP = tcb_desc->bLastIniPkt; + + //---------------------------------------------------------------------------- + // Fill up USB_OUT_CONTEXT. + //---------------------------------------------------------------------------- + // Get index to out pipe from specified QueueID. +#ifndef USE_ONE_PIPE + idx_pipe = txqueue2outpipe(priv,queue_index); +#else + idx_pipe = 0x04; +#endif +#ifdef JOHN_DUMP_TXDESC + int i; + printk("<Tx descriptor>--rate %x---",rate); + for (i = 0; i < 8; i++) + printk("%8x ", tx[i]); + printk("\n"); +#endif + usb_fill_bulk_urb(tx_urb,priv->udev, usb_sndbulkpipe(priv->udev,idx_pipe), \ + skb->data, skb->len, rtl8192_tx_isr, skb); + + status = usb_submit_urb(tx_urb, GFP_ATOMIC); + + if (!status){ + return 0; + }else{ + DMESGE("Error TX CMD URB, error %d", + status); + return -1; + } +} + +/* + * Mapping Software/Hardware descriptor queue id to "Queue Select Field" + * in TxFwInfo data structure + * 2006.10.30 by Emily + * + * \param QUEUEID Software Queue +*/ +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; +} + +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; +} + + +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; +} + +static void tx_zero_isr(struct urb *tx_urb) +{ + return; +} + +/* + * 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); + cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); + tx_desc_819x_usb *tx_desc = (tx_desc_819x_usb *)skb->data; + tx_fwinfo_819x_usb *tx_fwinfo = (tx_fwinfo_819x_usb *)(skb->data + USB_HWDESC_HEADER_LEN); + struct usb_device *udev = priv->udev; + int pend; + int status; + struct urb *tx_urb = NULL, *tx_urb_zero = NULL; + //int urb_len; + unsigned int idx_pipe; +// RT_DEBUG_DATA(COMP_SEND, tcb_desc, sizeof(cb_desc)); +// printk("=============> %s\n", __FUNCTION__); + pend = atomic_read(&priv->tx_pending[tcb_desc->queue_index]); + /* we are locked here so the two atomic_read and inc are executed + * without interleaves + * !!! For debug purpose + */ + if( pend > MAX_TX_URB){ + printk("To discard skb packet!\n"); + dev_kfree_skb_any(skb); + return -1; + } + + tx_urb = usb_alloc_urb(0,GFP_ATOMIC); + if(!tx_urb){ + dev_kfree_skb_any(skb); + return -ENOMEM; + } + + /* Fill Tx firmware info */ + memset(tx_fwinfo,0,sizeof(tx_fwinfo_819x_usb)); + /* DWORD 0 */ + tx_fwinfo->TxHT = (tcb_desc->data_rate&0x80)?1:0; + tx_fwinfo->TxRate = MRateToHwRate8190Pci(tcb_desc->data_rate); + tx_fwinfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur; + tx_fwinfo->Short = QueryIsShort(tx_fwinfo->TxHT, tx_fwinfo->TxRate, tcb_desc); + if(tcb_desc->bAMPDUEnable) {//AMPDU enabled + tx_fwinfo->AllowAggregation = 1; + /* DWORD 1 */ + tx_fwinfo->RxMF = tcb_desc->ampdu_factor; + tx_fwinfo->RxAMD = tcb_desc->ampdu_density&0x07;//ampdudensity + } else { + tx_fwinfo->AllowAggregation = 0; + /* DWORD 1 */ + tx_fwinfo->RxMF = 0; + tx_fwinfo->RxAMD = 0; + } + + /* Protection mode related */ + tx_fwinfo->RtsEnable = (tcb_desc->bRTSEnable)?1:0; + tx_fwinfo->CtsEnable = (tcb_desc->bCTSEnable)?1:0; + tx_fwinfo->RtsSTBC = (tcb_desc->bRTSSTBC)?1:0; + tx_fwinfo->RtsHT = (tcb_desc->rts_rate&0x80)?1:0; + tx_fwinfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate); + tx_fwinfo->RtsSubcarrier = (tx_fwinfo->RtsHT==0)?(tcb_desc->RTSSC):0; + tx_fwinfo->RtsBandwidth = (tx_fwinfo->RtsHT==1)?((tcb_desc->bRTSBW)?1:0):0; + tx_fwinfo->RtsShort = (tx_fwinfo->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) { + tx_fwinfo->TxBandwidth = 1; + tx_fwinfo->TxSubCarrier = 0; //By SD3's Jerry suggestion, use duplicated mode + } else { + tx_fwinfo->TxBandwidth = 0; + tx_fwinfo->TxSubCarrier = priv->nCur40MhzPrimeSC; + } + } else { + tx_fwinfo->TxBandwidth = 0; + tx_fwinfo->TxSubCarrier = 0; + } + +#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE + if (tcb_desc->drv_agg_enable) + { + tx_fwinfo->Tx_INFO_RSVD = (tcb_desc->DrvAggrNum & 0x1f) << 1; + } +#endif + /* Fill Tx descriptor */ + memset(tx_desc, 0, sizeof(tx_desc_819x_usb)); + /* DWORD 0 */ + tx_desc->LINIP = 0; + tx_desc->CmdInit = 1; + tx_desc->Offset = sizeof(tx_fwinfo_819x_usb) + 8; + +#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE + if (tcb_desc->drv_agg_enable) { + tx_desc->PktSize = tcb_desc->pkt_size; + } else +#endif + { + tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff; + } + + /*DWORD 1*/ + tx_desc->SecCAMID= 0; + tx_desc->RATid = tcb_desc->RATRIndex; + { + //MPDUOverhead = 0; + tx_desc->NoEnc = 1; + } + tx_desc->SecType = 0x0; + if (tcb_desc->bHwSec) + { + switch (priv->ieee80211->pairwise_key_type) + { + case KEY_TYPE_WEP40: + case KEY_TYPE_WEP104: + tx_desc->SecType = 0x1; + tx_desc->NoEnc = 0; + break; + case KEY_TYPE_TKIP: + tx_desc->SecType = 0x2; + tx_desc->NoEnc = 0; + break; + case KEY_TYPE_CCMP: + tx_desc->SecType = 0x3; + tx_desc->NoEnc = 0; + break; + case KEY_TYPE_NA: + tx_desc->SecType = 0x0; + tx_desc->NoEnc = 1; + break; + } + } + + tx_desc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index); + tx_desc->TxFWInfoSize = sizeof(tx_fwinfo_819x_usb); + + tx_desc->DISFB = tcb_desc->bTxDisableRateFallBack; + tx_desc->USERATE = tcb_desc->bTxUseDriverAssingedRate; + + /* Fill fields that are required to be initialized in all of the descriptors */ + //DWORD 0 + tx_desc->FirstSeg = 1; + tx_desc->LastSeg = 1; + tx_desc->OWN = 1; + +#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE + if (tcb_desc->drv_agg_enable) { + tx_desc->TxBufferSize = tcb_desc->pkt_size + sizeof(tx_fwinfo_819x_usb); + } else +#endif + { + //DWORD 2 + tx_desc->TxBufferSize = (u32)(skb->len - USB_HWDESC_HEADER_LEN); + } + /* Get index to out pipe from specified QueueID */ +#ifndef USE_ONE_PIPE + idx_pipe = txqueue2outpipe(priv,tcb_desc->queue_index); +#else + idx_pipe = 0x5; +#endif + + //RT_DEBUG_DATA(COMP_SEND,tx_fwinfo,sizeof(tx_fwinfo_819x_usb)); + //RT_DEBUG_DATA(COMP_SEND,tx_desc,sizeof(tx_desc_819x_usb)); + + /* To submit bulk urb */ + usb_fill_bulk_urb(tx_urb,udev, + usb_sndbulkpipe(udev,idx_pipe), skb->data, + skb->len, rtl8192_tx_isr, skb); + + status = usb_submit_urb(tx_urb, GFP_ATOMIC); + if (!status){ +//we need to send 0 byte packet whenever 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has been transmitted. Otherwise, it will be halt to wait for another packet. WB. 2008.08.27 + bool bSend0Byte = false; + u8 zero = 0; + if(udev->speed == USB_SPEED_HIGH) + { + if (skb->len > 0 && skb->len % 512 == 0) + bSend0Byte = true; + } + else + { + if (skb->len > 0 && skb->len % 64 == 0) + bSend0Byte = true; + } + if (bSend0Byte) + { + tx_urb_zero = usb_alloc_urb(0,GFP_ATOMIC); + if(!tx_urb_zero){ + RT_TRACE(COMP_ERR, "can't alloc urb for zero byte\n"); + return -ENOMEM; + } + usb_fill_bulk_urb(tx_urb_zero,udev, + usb_sndbulkpipe(udev,idx_pipe), &zero, + 0, tx_zero_isr, dev); + status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC); + if (status){ + RT_TRACE(COMP_ERR, "Error TX URB for zero byte %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]), status); + return -1; + } + } + dev->trans_start = jiffies; + atomic_inc(&priv->tx_pending[tcb_desc->queue_index]); + return 0; + }else{ + RT_TRACE(COMP_ERR, "Error TX URB %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]), + status); + return -1; + } +} + +short rtl8192_usb_initendpoints(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + + priv->rx_urb = (struct urb**) kmalloc (sizeof(struct urb*) * (MAX_RX_URB+1), GFP_KERNEL); + +#ifndef JACKSON_NEW_RX + for(i=0;i<(MAX_RX_URB+1);i++){ + + priv->rx_urb[i] = usb_alloc_urb(0,GFP_KERNEL); + + priv->rx_urb[i]->transfer_buffer = kmalloc(RX_URB_SIZE, GFP_KERNEL); + + priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE; + } +#endif + +#ifdef THOMAS_BEACON +{ + long align = 0; + void *oldaddr, *newaddr; + + priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL); + priv->oldaddr = kmalloc(16, GFP_KERNEL); + oldaddr = priv->oldaddr; + align = ((long)oldaddr) & 3; + if (align) { + newaddr = oldaddr + 4 - align; + priv->rx_urb[16]->transfer_buffer_length = 16 - 4 + align; + } else { + newaddr = oldaddr; + priv->rx_urb[16]->transfer_buffer_length = 16; + } + priv->rx_urb[16]->transfer_buffer = newaddr; +} +#endif + + memset(priv->rx_urb, 0, sizeof(struct urb*) * MAX_RX_URB); + priv->pp_rxskb = (struct sk_buff **)kmalloc(sizeof(struct sk_buff *) * MAX_RX_URB, GFP_KERNEL); + if (priv->pp_rxskb == NULL) + goto destroy; + + memset(priv->pp_rxskb, 0, sizeof(struct sk_buff*) * MAX_RX_URB); + + goto _middle; + + +destroy: + if (priv->pp_rxskb) { + kfree(priv->pp_rxskb); + } + if (priv->rx_urb) { + kfree(priv->rx_urb); + } + + priv->pp_rxskb = NULL; + priv->rx_urb = NULL; + + DMESGE("Endpoint Alloc Failure"); + return -ENOMEM; + + +_middle: + + printk("End of initendpoints\n"); + return 0; + +} +#ifdef THOMAS_BEACON +void rtl8192_usb_deleteendpoints(struct net_device *dev) +{ + int i; + struct r8192_priv *priv = ieee80211_priv(dev); + + if(priv->rx_urb){ + for(i=0;i<(MAX_RX_URB+1);i++){ + usb_kill_urb(priv->rx_urb[i]); + usb_free_urb(priv->rx_urb[i]); + } + kfree(priv->rx_urb); + priv->rx_urb = NULL; + } + if(priv->oldaddr){ + kfree(priv->oldaddr); + priv->oldaddr = NULL; + } + if (priv->pp_rxskb) { + kfree(priv->pp_rxskb); + priv->pp_rxskb = 0; + } +} +#else +void rtl8192_usb_deleteendpoints(struct net_device *dev) +{ + int i; + struct r8192_priv *priv = ieee80211_priv(dev); + +#ifndef JACKSON_NEW_RX + + if(priv->rx_urb){ + for(i=0;i<(MAX_RX_URB+1);i++){ + usb_kill_urb(priv->rx_urb[i]); + kfree(priv->rx_urb[i]->transfer_buffer); + usb_free_urb(priv->rx_urb[i]); + } + kfree(priv->rx_urb); + priv->rx_urb = NULL; + + } +#else + if(priv->rx_urb){ + kfree(priv->rx_urb); + priv->rx_urb = NULL; + } + if(priv->oldaddr){ + kfree(priv->oldaddr); + priv->oldaddr = NULL; + } + if (priv->pp_rxskb) { + kfree(priv->pp_rxskb); + priv->pp_rxskb = 0; + + } + +#endif +} +#endif + +extern void rtl8192_update_ratr_table(struct net_device* dev); +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); + //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); + } + /*update timing params*/ +// RT_TRACE(COMP_CH, "========>%s(), chan:%d\n", __FUNCTION__, priv->chan); +// rtl8192_set_chan(dev, priv->chan); + 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); + } + +// rtl8192_set_rxconf(dev); +} + +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 */ +}; + + +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 +*/ +int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO}; +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; + + if (priv == NULL) + return; + + 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)); + + 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; + { + 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; +} + + +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}; +bool GetNmodeSupportBySecCfg8192(struct net_device*dev) +{ + struct r8192_priv* priv = ieee80211_priv(dev); + struct ieee80211_device* ieee = priv->ieee80211; + struct ieee80211_network * network = &ieee->current_network; + int wpa_ie_len= ieee->wpa_ie_len; + struct ieee80211_crypt_data* crypt; + int encrypt; + + crypt = ieee->crypt[ieee->tx_keyidx]; + //we use connecting AP's capability instead of only security config on our driver to distinguish whether it should use N mode or G mode + encrypt = (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 { + return true; + } + + return true; +} + +bool GetHalfNmodeSupportByAPs819xUsb(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; +} + +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; +} + +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; +} +void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + u8 bSupportMode = rtl8192_getSupportedWireleeMode(dev); + + 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); + +} +//init priv variables here. only non_zero value should be initialized here. +static void rtl8192_init_priv_variable(struct net_device* dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + u8 i; + priv->card_8192 = NIC_8192U; + priv->chan = 1; //set to channel 1 + 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->CckPwEnl = 6; + //for silent reset + priv->IrpPendingCount = 1; + priv->ResetProgress = RESET_TYPE_NORESET; + priv->bForcedSilentReset = 0; + priv->bDisableNormalResetCheck = false; + priv->force_reset = false; + + priv->ieee80211->FwRWRF = 0; //we don't use FW read/write RF until stable firmware is available. + 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->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 = TX_PACKET_SHIFT_BYTES; + priv->ieee80211->qos_support = 1; + + //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; + //added by david + priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8192; + priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xUsb; + priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode; + //added by amy + priv->ieee80211->InitialGainHandler = InitialGain819xUsb; + priv->card_type = USB; +#ifdef TO_DO_LIST + if(Adapter->bInHctTest) + { + pHalData->ShortRetryLimit = 7; + pHalData->LongRetryLimit = 7; + } +#endif + { + priv->ShortRetryLimit = 0x30; + priv->LongRetryLimit = 0x30; + } + priv->EarlyRxThreshold = 7; + priv->enable_gpio0 = 0; + priv->TransmitConfig = + // TCR_DurProcMode | //for RTL8185B, duration setting by HW + //? TCR_DISReqQsize | + (TCR_MXDMA_2048<<TCR_MXDMA_OFFSET)| // Max DMA Burst Size per Tx DMA Burst, 7: reservied. + (priv->ShortRetryLimit<<TCR_SRL_OFFSET)| // Short retry limit + (priv->LongRetryLimit<<TCR_LRL_OFFSET) | // Long retry limit + (false ? TCR_SAT: 0); // FALSE: HW provies PLCP length and LENGEXT, TURE: SW proiveds them +#ifdef TO_DO_LIST + if(Adapter->bInHctTest) + pHalData->ReceiveConfig = pHalData->CSMethod | + RCR_AMF | RCR_ADF | //RCR_AAP | //accept management/data + //guangan200710 + RCR_ACF | //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_AICV | RCR_ACRC32 | //accept ICV/CRC error packet + ((u32)7<<RCR_MXDMA_OFFSET) | // Max DMA Burst Size per Rx DMA Burst, 7: unlimited. + (pHalData->EarlyRxThreshold<<RCR_FIFO_OFFSET) | // Rx FIFO Threshold, 7: No Rx threshold. + (pHalData->EarlyRxThreshold == 7 ? RCR_OnlyErlPkt:0); + else + +#endif + priv->ReceiveConfig = + RCR_AMF | RCR_ADF | //accept management/data + RCR_ACF | //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_AICV | RCR_ACRC32 | //accept ICV/CRC error packet + ((u32)7<<RCR_MXDMA_OFFSET)| // Max DMA Burst Size per Rx DMA Burst, 7: unlimited. + (priv->EarlyRxThreshold<<RX_FIFO_THRESHOLD_SHIFT) | // Rx FIFO Threshold, 7: No Rx threshold. + (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT:0); + + priv->AcmControl = 0; + priv->pFirmware = (rt_firmware*)kmalloc(sizeof(rt_firmware), GFP_KERNEL); + 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]); + } + for(i = 0; i < MAX_QUEUE_SIZE; i++) { + skb_queue_head_init(&priv->ieee80211->skb_drv_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->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); +//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, 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->gpio_change_rf_wq, dm_gpio_change_rf_callback); + INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback); + INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon); + INIT_DELAYED_WORK(&priv->initialgain_operate_wq, InitialGainOperateWorkItemCallBack); + //INIT_WORK(&priv->SwChnlWorkItem, rtl8192_SwChnl_WorkItem); + //INIT_WORK(&priv->SetBWModeWorkItem, rtl8192_SetBWModeWorkItem); + INIT_WORK(&priv->qos_activate, rtl8192_qos_activate); + + tasklet_init(&priv->irq_rx_tasklet, + (void(*)(unsigned long))rtl8192_irq_rx_tasklet, + (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_EPROM, "===========>%s()\n", __FUNCTION__); + curCR = read_nic_word_E(dev,EPROM_CMD); + RT_TRACE(COMP_EPROM, "read from Reg EPROM_CMD(%x):%x\n", EPROM_CMD, curCR); + //whether need I consider BIT5? + priv->epromtype = (curCR & Cmd9346CR_9356SEL) ? EPROM_93c56 : EPROM_93c46; + RT_TRACE(COMP_EPROM, "<===========%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; +} +static void rtl8192_read_eeprom_info(struct net_device* dev) +{ + u16 wEPROM_ID = 0; + u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x02}; + u8 bLoad_From_EEPOM = false; + struct r8192_priv *priv = ieee80211_priv(dev); + u16 tmpValue = 0; + RT_TRACE(COMP_EPROM, "===========>%s()\n", __FUNCTION__); + wEPROM_ID = eprom_read(dev, 0); //first read EEPROM ID out; + RT_TRACE(COMP_EPROM, "EEPROM ID is 0x%x\n", wEPROM_ID); + + if (wEPROM_ID != RTL8190_EEPROM_ID) + { + RT_TRACE(COMP_ERR, "EEPROM ID is invalid(is 0x%x(should be 0x%x)\n", wEPROM_ID, RTL8190_EEPROM_ID); + } + else + bLoad_From_EEPOM = true; + + if (bLoad_From_EEPOM) + { + tmpValue = eprom_read(dev, (EEPROM_VID>>1)); + priv->eeprom_vid = endian_swap(&tmpValue); + priv->eeprom_pid = eprom_read(dev, (EEPROM_PID>>1)); + tmpValue = eprom_read(dev, (EEPROM_ChannelPlan>>1)); + priv->eeprom_ChannelPlan =((tmpValue&0xff00)>>8); + priv->btxpowerdata_readfromEEPORM = true; + priv->eeprom_CustomerID = eprom_read(dev, (EEPROM_Customer_ID>>1)) >>8; + } + else + { + priv->eeprom_vid = 0; + priv->eeprom_pid = 0; + priv->card_8192_version = VERSION_819xU_B; + priv->eeprom_ChannelPlan = 0; + priv->eeprom_CustomerID = 0; + } + RT_TRACE(COMP_EPROM, "vid:0x%4x, pid:0x%4x, CustomID:0x%2x, ChanPlan:0x%x\n", priv->eeprom_vid, priv->eeprom_pid, priv->eeprom_CustomerID, priv->eeprom_ChannelPlan); + //set channelplan from eeprom + priv->ChannelPlan = priv->eeprom_ChannelPlan; + if (bLoad_From_EEPOM) + { + int i; + for (i=0; i<6; i+=2) + { + u16 tmp = 0; + tmp = eprom_read(dev, (u16)((EEPROM_NODE_ADDRESS_BYTE_0 + i)>>1)); + *(u16*)(&dev->dev_addr[i]) = tmp; + } + } + else + { + memcpy(dev->dev_addr, bMac_Tmp_Addr, 6); + //should I set IDR0 here? + } + RT_TRACE(COMP_EPROM, "MAC addr:"MAC_FMT"\n", MAC_ARG(dev->dev_addr)); + priv->rf_type = RTL819X_DEFAULT_RF_TYPE; //default 1T2R + priv->rf_chip = RF_8256; + + if (priv->card_8192_version == (u8)VERSION_819xU_A) + { + //read Tx power gain offset of legacy OFDM to HT rate + if (bLoad_From_EEPOM) + priv->EEPROMTxPowerDiff = (eprom_read(dev, (EEPROM_TxPowerDiff>>1))&0xff00) >> 8; + else + priv->EEPROMTxPowerDiff = EEPROM_Default_TxPower; + RT_TRACE(COMP_EPROM, "TxPowerDiff:%d\n", priv->EEPROMTxPowerDiff); + //read ThermalMeter from EEPROM + if (bLoad_From_EEPOM) + priv->EEPROMThermalMeter = (u8)(eprom_read(dev, (EEPROM_ThermalMeter>>1))&0x00ff); + else + priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter; + RT_TRACE(COMP_EPROM, "ThermalMeter:%d\n", priv->EEPROMThermalMeter); + //vivi, for tx power track + priv->TSSI_13dBm = priv->EEPROMThermalMeter *100; + //read antenna tx power offset of B/C/D to A from EEPROM + if (bLoad_From_EEPOM) + priv->EEPROMPwDiff = (eprom_read(dev, (EEPROM_PwDiff>>1))&0x0f00)>>8; + else + priv->EEPROMPwDiff = EEPROM_Default_PwDiff; + RT_TRACE(COMP_EPROM, "TxPwDiff:%d\n", priv->EEPROMPwDiff); + // Read CrystalCap from EEPROM + if (bLoad_From_EEPOM) + priv->EEPROMCrystalCap = (eprom_read(dev, (EEPROM_CrystalCap>>1))&0x0f); + else + priv->EEPROMCrystalCap = EEPROM_Default_CrystalCap; + RT_TRACE(COMP_EPROM, "CrystalCap = %d\n", priv->EEPROMCrystalCap); + //get per-channel Tx power level + if (bLoad_From_EEPOM) + priv->EEPROM_Def_Ver = (eprom_read(dev, (EEPROM_TxPwIndex_Ver>>1))&0xff00)>>8; + else + priv->EEPROM_Def_Ver = 1; + RT_TRACE(COMP_EPROM, "EEPROM_DEF_VER:%d\n", priv->EEPROM_Def_Ver); + if (priv->EEPROM_Def_Ver == 0) //old eeprom definition + { + int i; + if (bLoad_From_EEPOM) + priv->EEPROMTxPowerLevelCCK = (eprom_read(dev, (EEPROM_TxPwIndex_CCK>>1))&0xff) >> 8; + else + priv->EEPROMTxPowerLevelCCK = 0x10; + RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK); + for (i=0; i<3; i++) + { + if (bLoad_From_EEPOM) + { + tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G+i)>>1); + if (((EEPROM_TxPwIndex_OFDM_24G+i) % 2) == 0) + tmpValue = tmpValue & 0x00ff; + else + tmpValue = (tmpValue & 0xff00) >> 8; + } + else + tmpValue = 0x10; + priv->EEPROMTxPowerLevelOFDM24G[i] = (u8) tmpValue; + RT_TRACE(COMP_EPROM, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK); + } + }//end if EEPROM_DEF_VER == 0 + else if (priv->EEPROM_Def_Ver == 1) + { + if (bLoad_From_EEPOM) + { + tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1>>1)); + tmpValue = (tmpValue & 0xff00) >> 8; + } + else + tmpValue = 0x10; + priv->EEPROMTxPowerLevelCCK_V1[0] = (u8)tmpValue; + + if (bLoad_From_EEPOM) + tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_CCK_V1 + 2)>>1); + else + tmpValue = 0x1010; + *((u16*)(&priv->EEPROMTxPowerLevelCCK_V1[1])) = tmpValue; + if (bLoad_From_EEPOM) + tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1>>1)); + else + tmpValue = 0x1010; + *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[0])) = tmpValue; + if (bLoad_From_EEPOM) + tmpValue = eprom_read(dev, (EEPROM_TxPwIndex_OFDM_24G_V1+2)>>1); + else + tmpValue = 0x10; + priv->EEPROMTxPowerLevelOFDM24G[2] = (u8)tmpValue; + }//endif EEPROM_Def_Ver == 1 + + //update HAL variables + // + { + int i; + for (i=0; i<14; i++) + { + if (i<=3) + priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[0]; + else if (i>=4 && i<=9) + priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[1]; + else + priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[2]; + } + + for (i=0; i<14; i++) + { + if (priv->EEPROM_Def_Ver == 0) + { + if (i<=3) + priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[0] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]); + else if (i>=4 && i<=9) + priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK; + else + priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelOFDM24G[2] + (priv->EEPROMTxPowerLevelCCK - priv->EEPROMTxPowerLevelOFDM24G[1]); + } + else if (priv->EEPROM_Def_Ver == 1) + { + if (i<=3) + priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[0]; + else if (i>=4 && i<=9) + priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[1]; + else + priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK_V1[2]; + } + } + }//end update HAL variables + priv->TxPowerDiff = priv->EEPROMPwDiff; +// Antenna B gain offset to antenna A, bit0~3 + priv->AntennaTxPwDiff[0] = (priv->EEPROMTxPowerDiff & 0xf); + // Antenna C gain offset to antenna A, bit4~7 + priv->AntennaTxPwDiff[1] = ((priv->EEPROMTxPowerDiff & 0xf0)>>4); + // CrystalCap, bit12~15 + priv->CrystalCap = priv->EEPROMCrystalCap; + // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2 + // 92U does not enable TX power tracking. + priv->ThermalMeter[0] = priv->EEPROMThermalMeter; + }//end if VersionID == VERSION_819xU_A + +//added by vivi, for dlink led, 20080416 + switch(priv->eeprom_CustomerID) + { + case EEPROM_CID_RUNTOP: + priv->CustomerID = RT_CID_819x_RUNTOP; + break; + + case EEPROM_CID_DLINK: + priv->CustomerID = RT_CID_DLINK; + break; + + default: + priv->CustomerID = RT_CID_DEFAULT; + break; + + } + + switch(priv->CustomerID) + { + case RT_CID_819x_RUNTOP: + priv->LedStrategy = SW_LED_MODE2; + break; + + case RT_CID_DLINK: + priv->LedStrategy = SW_LED_MODE4; + break; + + default: + priv->LedStrategy = SW_LED_MODE0; + break; + + } + + + if(priv->rf_type == RF_1T2R) + { + RT_TRACE(COMP_EPROM, "\n1T2R config\n"); + } + else + { + RT_TRACE(COMP_EPROM, "\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); + //we need init DIG RATR table here again. + + RT_TRACE(COMP_EPROM, "<===========%s()\n", __FUNCTION__); + return; +} + +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; +} + +short rtl8192_init(struct net_device *dev) +{ + + struct r8192_priv *priv = ieee80211_priv(dev); + + memset(&(priv->stats),0,sizeof(struct Stats)); + memset(priv->txqueue_to_outpipemap,0,9); +#ifdef PIPE12 + { + int i=0; + u8 queuetopipe[]={3,2,1,0,4,8,7,6,5}; + memcpy(priv->txqueue_to_outpipemap,queuetopipe,9); +/* for(i=0;i<9;i++) + printk("%d ",priv->txqueue_to_outpipemap[i]); + printk("\n");*/ + } +#else + { + u8 queuetopipe[]={3,2,1,0,4,4,0,4,4}; + memcpy(priv->txqueue_to_outpipemap,queuetopipe,9); +/* for(i=0;i<9;i++) + printk("%d ",priv->txqueue_to_outpipemap[i]); + printk("\n");*/ + } +#endif + 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(rtl8192_usb_initendpoints(dev)!=0){ + DMESG("Endopoints initialization failed"); + return -ENOMEM; + } + + //rtl8192_adapter_start(dev); +#ifdef DEBUG_EPROM + dump_eprom(dev); +#endif + 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 + * ****************************************************************************/ +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: +#ifdef TO_DO_LIST + if (Adapter->bInHctTest) + { + regBwOpMode = BW_OPMODE_20MHZ; + regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; + regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; + } + else +#endif + { + 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_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 + + +} + + +//InitializeAdapter and PhyCfg +bool rtl8192_adapter_start(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + u32 dwRegRead = 0; + bool init_status = true; + RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__); + priv->Rf_Mode = RF_OP_By_SW_3wire; + //for ASIC power on sequence + write_nic_byte_E(dev, 0x5f, 0x80); + mdelay(50); + write_nic_byte_E(dev, 0x5f, 0xf0); + write_nic_byte_E(dev, 0x5d, 0x00); + write_nic_byte_E(dev, 0x5e, 0x80); + write_nic_byte(dev, 0x17, 0x37); + mdelay(10); +//#ifdef TO_DO_LIST + priv->pFirmware->firmware_status = FW_STATUS_0_INIT; + //config CPUReset Register + //Firmware Reset or not? + dwRegRead = read_nic_dword(dev, CPU_GEN); + if (priv->pFirmware->firmware_status == FW_STATUS_0_INIT) + dwRegRead |= CPU_GEN_SYSTEM_RESET; //do nothing here? + else if (priv->pFirmware->firmware_status == FW_STATUS_5_READY) + dwRegRead |= CPU_GEN_FIRMWARE_RESET; + else + RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status); + + write_nic_dword(dev, CPU_GEN, dwRegRead); + //mdelay(30); + //config BB. + rtl8192_BBConfig(dev); + + //Loopback mode or not + priv->LoopbackMode = RTL819xU_NO_LOOPBACK; +// priv->LoopbackMode = RTL819xU_MAC_LOOPBACK; + + dwRegRead = read_nic_dword(dev, CPU_GEN); + if (priv->LoopbackMode == RTL819xU_NO_LOOPBACK) + dwRegRead = ((dwRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET); + else if (priv->LoopbackMode == RTL819xU_MAC_LOOPBACK) + dwRegRead |= CPU_CCK_LOOPBACK; + else + RT_TRACE(COMP_ERR, "Serious error in %s(): wrong loopback mode setting(%d)\n", __FUNCTION__, priv->LoopbackMode); + + write_nic_dword(dev, CPU_GEN, dwRegRead); + + //after reset cpu, we need wait for a seconds to write in register. + udelay(500); + + //xiong add for new bitfile:usb suspend reset pin set to 1. //do we need? + write_nic_byte_E(dev, 0x5f, (read_nic_byte_E(dev, 0x5f)|0x20)); + + //Set Hardware + rtl8192_hwconfig(dev); + + //turn on Tx/Rx + write_nic_byte(dev, CMDR, CR_RE|CR_TE); + + //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); + + //Initialize Number of Reserved Pages in Firmware Queue + 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 |\ + NUM_OF_PAGE_IN_FW_QUEUE_CMD << RSVD_FW_QUEUE_PAGE_CMD_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 + ); + write_nic_dword(dev, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK)); + + //Set 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); + +// RT_TRACE(COMP_INIT, "%s():priv->ResetProgress is %d\n", __FUNCTION__,priv->ResetProgress); + if(priv->ResetProgress == RESET_TYPE_NORESET) + rtl8192_SetWirelessMode(dev, priv->ieee80211->mode); + if(priv->ResetProgress == RESET_TYPE_NORESET){ + 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); + } + } + + //Beacon related + write_nic_word(dev, ATIMWND, 2); + write_nic_word(dev, BCN_INTERVAL, 100); + + { +#define DEFAULT_EDCA 0x005e4332 + int i; + for (i=0; i<QOS_QUEUE_NUM; i++) + write_nic_dword(dev, WDCAPARA_ADD[i], DEFAULT_EDCA); + } +#ifdef USB_RX_AGGREGATION_SUPPORT + //3 For usb rx firmware aggregation control + if(priv->ResetProgress == RESET_TYPE_NORESET) + { + u32 ulValue; + PRT_HIGH_THROUGHPUT pHTInfo = priv->ieee80211->pHTInfo; + ulValue = (pHTInfo->UsbRxFwAggrEn<<24) | (pHTInfo->UsbRxFwAggrPageNum<<16) | + (pHTInfo->UsbRxFwAggrPacketNum<<8) | (pHTInfo->UsbRxFwAggrTimeout); + /* + * If usb rx firmware aggregation is enabled, + * when anyone of three threshold conditions above is reached, + * firmware will send aggregated packet to driver. + */ + write_nic_dword(dev, 0x1a8, ulValue); + priv->bCurrentRxAggrEnable = true; + } +#endif + + rtl8192_phy_configmac(dev); + + if (priv->card_8192_version == (u8) VERSION_819xU_A) + { + rtl8192_phy_getTxPower(dev); + rtl8192_phy_setTxPower(dev, priv->chan); + } + + //Firmware download + init_status = init_firmware(dev); + if(!init_status) + { + RT_TRACE(COMP_ERR,"ERR!!! %s(): Firmware download is failed\n", __FUNCTION__); + return init_status; + } + RT_TRACE(COMP_INIT, "%s():after firmware download\n", __FUNCTION__); + // +#ifdef TO_DO_LIST +if(Adapter->ResetProgress == RESET_TYPE_NORESET) + { + if(pMgntInfo->RegRfOff == TRUE) + { // User disable RF via registry. + RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RegRfOff ----------\n")); + MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_SW); + // 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); + } + else if(pMgntInfo->RfOffReason > RF_CHANGE_BY_PS) + { // H/W or S/W RF OFF before sleep. + RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): Turn off RF for RfOffReason(%d) ----------\n", pMgntInfo->RfOffReason)); + MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason); + } + else + { + pHalData->eRFPowerState = eRfOn; + pMgntInfo->RfOffReason = 0; + RT_TRACE((COMP_INIT|COMP_RF), DBG_LOUD, ("InitializeAdapter819xUsb(): RF is on ----------\n")); + } + } + else + { + if(pHalData->eRFPowerState == eRfOff) + { + MgntActSet_RF_State(Adapter, eRfOff, pMgntInfo->RfOffReason); + // 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 + //config RF. + if(priv->ResetProgress == RESET_TYPE_NORESET){ + rtl8192_phy_RFConfig(dev); + RT_TRACE(COMP_INIT, "%s():after phy RF config\n", __FUNCTION__); + } + + + if(priv->ieee80211->FwRWRF) + // We can force firmware to do RF-R/W + priv->Rf_Mode = RF_OP_By_FW; + else + priv->Rf_Mode = RF_OP_By_SW_3wire; + + + rtl8192_phy_updateInitGain(dev); + /*--set CCK and OFDM Block "ON"--*/ + rtl8192_setBBreg(dev, rFPGA0_RFMOD, bCCKEn, 0x1); + rtl8192_setBBreg(dev, rFPGA0_RFMOD, bOFDMEn, 0x1); + + if(priv->ResetProgress == RESET_TYPE_NORESET) + { + //if D or C cut + u8 tmpvalue = read_nic_byte(dev, 0x301); + if(tmpvalue ==0x03) + { + priv->bDcut = TRUE; + RT_TRACE(COMP_POWER_TRACKING, "D-cut\n"); + } + else + { + priv->bDcut = FALSE; + RT_TRACE(COMP_POWER_TRACKING, "C-cut\n"); + } + dm_initialize_txpower_tracking(dev); + + if(priv->bDcut == TRUE) + { + u32 i, TempCCk; + u32 tmpRegA= rtl8192_QueryBBReg(dev,rOFDM0_XATxIQImbalance,bMaskDWord); + // u32 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->cck_present_attentuation_20Mdefault=(u8) i; + break; + } + } + priv->cck_present_attentuation_40Mdefault= 0; + priv->cck_present_attentuation_difference= 0; + priv->cck_present_attentuation = priv->cck_present_attentuation_20Mdefault; + + // pMgntInfo->bTXPowerTracking = FALSE;//TEMPLY DISABLE + } + } + write_nic_byte(dev, 0x87, 0x0); + + + return init_status; +} + +/* 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 + */ +/*************************************************************************** + -------------------------------NET STUFF--------------------------- +***************************************************************************/ + +static struct net_device_stats *rtl8192_stats(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + + return &priv->ieee80211->stats; +} + +bool +HalTxCheckStuck819xUsb( + struct net_device *dev + ) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + u16 RegTxCounter = read_nic_word(dev, 0x128); + 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 +*/ +RESET_TYPE +TxCheckStuck(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + u8 QueueID; +// PRT_TCB pTcb; +// u8 ResetThreshold; + bool bCheckFwTxCnt = false; + //unsigned long flags; + + // + // Decide Stuch threshold according to current power save mode + // + +// RT_TRACE(COMP_RESET, " ==> TxCheckStuck()\n"); +// PlatformAcquireSpinLock(Adapter, RT_TX_SPINLOCK); +// spin_lock_irqsave(&priv->ieee80211->lock,flags); + for (QueueID = 0; QueueID<=BEACON_QUEUE;QueueID ++) + { + if(QueueID == TXCMD_QUEUE) + continue; +#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE + if((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_drv_aggQ[QueueID]) == 0)) +#else + if((skb_queue_len(&priv->ieee80211->skb_waitQ[QueueID]) == 0) && (skb_queue_len(&priv->ieee80211->skb_aggQ[QueueID]) == 0)) +#endif + continue; + + bCheckFwTxCnt = true; + } +// PlatformReleaseSpinLock(Adapter, RT_TX_SPINLOCK); +// spin_unlock_irqrestore(&priv->ieee80211->lock,flags); +// RT_TRACE(COMP_RESET,"bCheckFwTxCnt is %d\n",bCheckFwTxCnt); + if(bCheckFwTxCnt) + { + if(HalTxCheckStuck819xUsb(dev)) + { + RT_TRACE(COMP_RESET, "TxCheckStuck(): Fw indicates no Tx condition! \n"); + return RESET_TYPE_SILENT; + } + } + return RESET_TYPE_NORESET; +} + +bool +HalRxCheckStuck819xUsb(struct net_device *dev) +{ + u16 RegRxCounter = read_nic_word(dev, 0x130); + struct r8192_priv *priv = ieee80211_priv(dev); + 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; +} + +RESET_TYPE +RxCheckStuck(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(dev); + //int i; + bool bRxCheck = FALSE; + +// RT_TRACE(COMP_RESET," ==> RxCheckStuck()\n"); + //PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK); + + if(priv->IrpPendingCount > 1) + bRxCheck = TRUE; + //PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK); + +// RT_TRACE(COMP_RESET,"bRxCheck is %d \n",bRxCheck); + if(bRxCheck) + { + if(HalRxCheckStuck819xUsb(dev)) + { + RT_TRACE(COMP_RESET, "RxStuck Condition\n"); + return RESET_TYPE_SILENT; + } + } + return RESET_TYPE_NORESET; +} + + +/** +* This function is called by Checkforhang to check whether we should ask OS to reset driver +* +* \param pAdapter The adapter context for this miniport +* +* Note:NIC with USB interface sholud not call this function because we cannot scan descriptor +* to judge whether there is tx stuck. +* Note: This function may be required to be rewrite for Vista OS. +* <<<Assumption: Tx spinlock has been acquired >>> +* +* 8185 and 8185b does not implement this function. This is added by Emily at 2006.11.24 +*/ +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( 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); + } + if(TxResetType==RESET_TYPE_NORMAL || RxResetType==RESET_TYPE_NORMAL) + return RESET_TYPE_NORMAL; + else if(TxResetType==RESET_TYPE_SILENT || RxResetType==RESET_TYPE_SILENT){ + RT_TRACE(COMP_RESET,"%s():silent reset\n",__FUNCTION__); + return RESET_TYPE_SILENT; + } + else + return RESET_TYPE_NORESET; + +} + +void rtl8192_cancel_deferred_work(struct r8192_priv* priv); +int _rtl8192_up(struct net_device *dev); +int rtl8192_close(struct net_device *dev); + + + +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); + } +} +////////////////////////////////////////////////////////////// +// 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. +////////////////////////////////////////////////////////////// +void +rtl819x_ifsilentreset(struct net_device *dev) +{ + //OCTET_STRING asocpdu; + 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); + 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); + + rtl8192_rtx_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); } + up(&priv->wx_sem); + RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__FUNCTION__); + //rtl8192_irq_disable(dev); + 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 == -EAGAIN) + { + if(reset_times < 3) + { + reset_times++; + goto RESET_START; + } + else + { + RT_TRACE(COMP_ERR," ERR!!! %s(): Reset Failed!!\n", __FUNCTION__); + } + } + ieee->is_silent_reset = 1; + EnableHWSecurityConfig8192(dev); + if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA) + { + ieee->set_chan(ieee->dev, ieee->current_network.channel); + + queue_work(ieee->wq, &ieee->associate_complete_wq); + + } + 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); + } + + CamRestoreAllEntry(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); + } +} + +void CAM_read_entry( + struct net_device *dev, + u32 iIndex +) +{ + u32 target_command=0; + u32 target_content=0; + u8 entry_i=0; + u32 ulStatus; + s32 i=100; +// printk("=======>start read CAM\n"); + for(entry_i=0;entry_i<CAM_CONTENT_COUNT;entry_i++) + { + // polling bit, and No Write enable, and address + target_command= entry_i+CAM_CONTENT_COUNT*iIndex; + target_command= target_command | BIT31; + + //Check polling bit is clear +// mdelay(1); + while((i--)>=0) + { + ulStatus = read_nic_dword(dev, RWCAM); + if(ulStatus & BIT31){ + continue; + } + else{ + break; + } + } + write_nic_dword(dev, RWCAM, target_command); + RT_TRACE(COMP_SEC,"CAM_read_entry(): WRITE A0: %x \n",target_command); + // printk("CAM_read_entry(): WRITE A0: %lx \n",target_command); + target_content = read_nic_dword(dev, RCAMO); + RT_TRACE(COMP_SEC, "CAM_read_entry(): WRITE A8: %x \n",target_content); + // printk("CAM_read_entry(): WRITE A8: %lx \n",target_content); + } + printk("\n"); +} + +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]; + } +} + + +extern 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; + bool bBusyTraffic = false; + + if(!priv->up) + return; + hal_dm_watchdog(dev); + + {//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(priv->ieee80211->state == IEEE80211_LINKED && priv->ieee80211->iw_mode == IW_MODE_INFRA) + { + u32 TotalRxBcnNum = 0; + u32 TotalRxDataNum = 0; + + rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum); + if((TotalRxBcnNum+TotalRxDataNum) == 0) + { + #ifdef TODO + if(rfState == eRfOff) + RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__); + #endif + printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__); + // Dot11d_Reset(dev); + priv->ieee80211->state = IEEE80211_ASSOCIATING; + notify_wx_assoc_event(priv->ieee80211); + RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid); + priv->ieee80211->link_change(dev); + queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq); + + } + } + priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod=0; + priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod=0; + } +// CAM_read_entry(dev,4); + //check if reset the driver + if(check_reset_cnt++ >= 3) + { + ResetType = rtl819x_ifcheck_resetornot(dev); + check_reset_cnt = 3; + //DbgPrint("Start to check silent reset\n"); + } + // RT_TRACE(COMP_RESET,"%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",__FUNCTION__,priv->force_reset,priv->ResetProgress,priv->bForcedSilentReset,priv->bDisableNormalResetCheck,ResetType); + if( (priv->force_reset) || (priv->ResetProgress==RESET_TYPE_NORESET && + (priv->bForcedSilentReset || + (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT)))) // This is control by OID set in Pomelo + { + RT_TRACE(COMP_RESET,"%s():priv->force_reset is %d,priv->ResetProgress is %d, priv->bForcedSilentReset is %d,priv->bDisableNormalResetCheck is %d,ResetType is %d\n",__FUNCTION__,priv->force_reset,priv->ResetProgress,priv->bForcedSilentReset,priv->bDisableNormalResetCheck,ResetType); + rtl819x_ifsilentreset(dev); + } + 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); + //printk("===============>watch_dog timer\n"); + 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; + int init_status = 0; + 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_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n", __FUNCTION__); + priv->up=priv->ieee80211->ieee_up = 0; + return -EAGAIN; + } + RT_TRACE(COMP_INIT, "start adapter finished\n"); + rtl8192_rx_enable(dev); +// rtl8192_tx_enable(dev); + 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; +} + + +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); +} + + +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 (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_rtx_disable(dev); + //rtl8192_irq_disable(dev); + + /* Tx related queue release */ + 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]); + } + + for(i = 0; i < MAX_QUEUE_SIZE; i++) { + skb_queue_purge(&priv->ieee80211->skb_drv_aggQ [i]); + } + + //as cancel_delayed_work will del work->timer, so if work is not definedas struct delayed_work, it will corrupt +// 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); + 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); + int reset_status = 0; + //u8 reset_times = 0; + if (priv->up == 0) return ; + priv->up = 0; + + rtl8192_cancel_deferred_work(priv); + del_timer_sync(&priv->watch_dog_timer); + //cancel_delayed_work(&priv->SwChnlWorkItem); + + ieee80211_softmac_stop_protocol(priv->ieee80211); + + //rtl8192_irq_disable(dev); + rtl8192_rtx_disable(dev); + reset_status = _rtl8192_up(dev); + +} + +/* +void rtl8192_restart(struct net_device *dev) +{ + struct r8192_priv *priv = ieee80211_priv(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); +} + + +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 */ +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) + setKey(dev, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key); + } + } + 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_HWSEC_DEBUG + //john's test 0711 + 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_HWSEC_DEBUG*/ + ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data); + break; + + default: + ret = -EOPNOTSUPP; + break; + } + kfree(ipw); + ipw = NULL; +out: + up(&priv->wx_sem); + return ret; +} + +u8 HwRateToMRate90(bool bIsHT, u8 rate) +{ + u8 ret_rate = 0xff; + + 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: + ret_rate = 0xff; + 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: + ret_rate = 0xff; + 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 + */ +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]; + } +} + +//by amy 080606 + +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; +} + + +/* 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. */ +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; + + 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 + { + } + + + 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);//only rtl8190 supported + + // + // Check RSSI + // + priv->stats.num_process_phyinfo++; + + /* record the general signal strength to the sliding window. */ + + + // <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 || pprevious_stats->bToSelfBA)) + { + for (rfpath = RF90_PATH_A; rfpath < priv->NumTotalRFPath; rfpath++) + { + if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, rfpath)) + continue; + + //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,"priv->stats.rx_rssi_percentage[rfPath] = %d \n" ,priv->stats.rx_rssi_percentage[rfpath] ); + } + } + + + // + // Check PWDB. + // + RT_TRACE(COMP_RXDESC, "Smooth %s PWDB = %d\n", + pprevious_stats->bIsCCK? "CCK": "OFDM", + pprevious_stats->RxPWDBAll); + + 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(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); + } + + } + + // + // 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. +// +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, + rx_drvinfo_819x_usb * 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_819xusb_t* pofdm_buf; + phy_sts_cck_819xusb_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; + + + 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; + + prxpkt = (u8*)pdrvinfo; + + /* Move pointer to the 16th bytes. Phy status start address. */ + prxpkt += sizeof(rx_drvinfo_819x_usb); + + /* Initial the cck and ofdm buffer pointer */ + pcck_buf = (phy_sts_cck_819xusb_t *)prxpkt; + pofdm_buf = (phy_sts_ofdm_819xusb_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; + + priv->stats.numqry_phystatusCCK++; + + if(!priv->bCckHighPower) + { + 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 = 6 - (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 = 6 - ((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 = pwdb_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<priv->NumTotalRFPath; i++) + { + // 2008/01/30 MH we will judge RF RX path now. + if (priv->brfpath_rxenable[i]) + rf_rx_num++; + else + continue; + + if (!rtl8192_phy_CheckIsLegalRFPath(priv->ieee80211->dev, i)) + continue; + + //Fixed by Jacken from Bryant 2008-03-20 + //Original value is 106 + rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 106; + + //Get Rx snr value in DB + tmp_rxsnr = pofdm_buf->rxsnr_X[i]; + rx_snrX = (char)(tmp_rxsnr); + //rx_snrX >>= 1;; + rx_snrX /= 2; + priv->stats.rxSNRdB[i] = (long)rx_snrX; + + /* Translate DBM to percentage. */ + RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[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; + + // + // (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(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 = (u8)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u8)(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 */ + +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; +} + + +void TranslateRxSignalStuff819xUsb(struct sk_buff *skb, + struct ieee80211_rx_stats * pstats, + rx_drvinfo_819x_usb *pdrvinfo) +{ + // TODO: We must only check packet for current MAC address. Not finish + rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; + struct net_device *dev=info->dev; + 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;//by amy + u16 fc,type; + + // Get Signal Quality for only RX data queue (but not command queue) + + u8* tmp_buf; + //u16 tmp_buf_len = 0; + u8 *praddr; + + /* Get MAC frame start address. */ + tmp_buf = (u8*)skb->data;// + get_rxpacket_shiftbytes_819xusb(pstats); + + 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(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); + } + + + + 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, pdrvinfo, &previous_stats, bpacket_match_bssid,bpacket_toself,bPacketBeacon,bToSelfBA); + rtl8192_record_rxdesc_forlateruse(pstats, &previous_stats); + +} + +/** +* Function: UpdateReceivedRateHistogramStatistics +* Overview: Recored down the received data rate +* +* Input: +* struct net_device *dev +* struct ieee80211_rx_stats *stats +* +* Output: +* +* (priv->stats.ReceivedRateHistogram[] is updated) +* Return: +* None +*/ +void +UpdateReceivedRateHistogramStatistics8190( + struct net_device *dev, + struct ieee80211_rx_stats *stats + ) +{ + 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 + + + if(stats->bCRC) + rcvType = 2; + else if(stats->bICV) + rcvType = 3; + + if(stats->bShortPreamble) + preamble_guardinterval = 1;// short + else + preamble_guardinterval = 0;// long + + switch(stats->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]++; +} + + +void query_rxdesc_status(struct sk_buff *skb, struct ieee80211_rx_stats *stats, bool bIsRxAggrSubframe) +{ + rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; + struct net_device *dev=info->dev; + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + //rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data; + rx_drvinfo_819x_usb *driver_info = NULL; + + // + //Get Rx Descriptor Information + // +#ifdef USB_RX_AGGREGATION_SUPPORT + if (bIsRxAggrSubframe) + { + rx_desc_819x_usb_aggr_subframe *desc = (rx_desc_819x_usb_aggr_subframe *)skb->data; + stats->Length = desc->Length ; + stats->RxDrvInfoSize = desc->RxDrvInfoSize; + stats->RxBufShift = 0; //RxBufShift = 2 in RxDesc, but usb didn't shift bytes in fact. + stats->bICV = desc->ICV; + stats->bCRC = desc->CRC32; + stats->bHwError = stats->bCRC|stats->bICV; + stats->Decrypted = !desc->SWDec;//RTL8190 set this bit to indicate that Hw does not decrypt packet + } else +#endif + { + rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data; + + stats->Length = desc->Length; + stats->RxDrvInfoSize = desc->RxDrvInfoSize; + stats->RxBufShift = 0;//desc->Shift&0x03; + stats->bICV = desc->ICV; + stats->bCRC = desc->CRC32; + stats->bHwError = stats->bCRC|stats->bICV; + //RTL8190 set this bit to indicate that Hw does not decrypt packet + stats->Decrypted = !desc->SWDec; + } + + if((priv->ieee80211->pHTInfo->bCurrentHTSupport == true) && (priv->ieee80211->pairwise_key_type == KEY_TYPE_CCMP)) + { + stats->bHwError = false; + } + else + { + stats->bHwError = stats->bCRC|stats->bICV; + } + + if(stats->Length < 24 || stats->Length > MAX_8192U_RX_SIZE) + stats->bHwError |= 1; + // + //Get Driver Info + // + // TODO: Need to verify it on FGPA platform + //Driver info are written to the RxBuffer following rx desc + if (stats->RxDrvInfoSize != 0) { + driver_info = (rx_drvinfo_819x_usb *)(skb->data + sizeof(rx_desc_819x_usb) + \ + stats->RxBufShift); + /* unit: 0.5M */ + /* TODO */ + if(!stats->bHwError){ + u8 ret_rate; + ret_rate = HwRateToMRate90(driver_info->RxHT, driver_info->RxRate); + if(ret_rate == 0xff) + { + // Abnormal Case: Receive CRC OK packet with Rx descriptor indicating non supported rate. + // Special Error Handling here, 2008.05.16, by Emily + + stats->bHwError = 1; + stats->rate = MGN_1M; //Set 1M rate by default + }else + { + stats->rate = ret_rate; + } + } + else + stats->rate = 0x02; + + stats->bShortPreamble = driver_info->SPLCP; + + + UpdateReceivedRateHistogramStatistics8190(dev, stats); + + stats->bIsAMPDU = (driver_info->PartAggr==1); + stats->bFirstMPDU = (driver_info->PartAggr==1) && (driver_info->FirstAGGR==1); + stats->TimeStampLow = driver_info->TSFL; + // xiong mask it, 070514 + //pRfd->Status.TimeStampHigh = PlatformEFIORead4Byte(Adapter, TSFR+4); + // stats->TimeStampHigh = read_nic_dword(dev, TSFR+4); + + UpdateRxPktTimeStamp8190(dev, stats); + + // + // Rx A-MPDU + // + if(driver_info->FirstAGGR==1 || driver_info->PartAggr == 1) + RT_TRACE(COMP_RXDESC, "driver_info->FirstAGGR = %d, driver_info->PartAggr = %d\n", + driver_info->FirstAGGR, driver_info->PartAggr); + + } + + skb_pull(skb,sizeof(rx_desc_819x_usb)); + // + // Get Total offset of MPDU Frame Body + // + if((stats->RxBufShift + stats->RxDrvInfoSize) > 0) { + stats->bShift = 1; + skb_pull(skb,stats->RxBufShift + stats->RxDrvInfoSize); + } + +#ifdef USB_RX_AGGREGATION_SUPPORT + /* for the rx aggregated sub frame, the redundant space truelly contained in the packet */ + if(bIsRxAggrSubframe) { + skb_pull(skb, 8); + } +#endif + /* for debug 2008.5.29 */ + + //added by vivi, for MP, 20080108 + stats->RxIs40MHzPacket = driver_info->BW; + if(stats->RxDrvInfoSize != 0) + TranslateRxSignalStuff819xUsb(skb, stats, driver_info); + +} + +u32 GetRxPacketShiftBytes819xUsb(struct ieee80211_rx_stats *Status, bool bIsRxAggrSubframe) +{ +#ifdef USB_RX_AGGREGATION_SUPPORT + if (bIsRxAggrSubframe) + return (sizeof(rx_desc_819x_usb) + Status->RxDrvInfoSize + + Status->RxBufShift + 8); + else +#endif + return (sizeof(rx_desc_819x_usb) + Status->RxDrvInfoSize + + Status->RxBufShift); +} + +void rtl8192_rx_nomal(struct sk_buff* skb) +{ + rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; + struct net_device *dev=info->dev; + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct ieee80211_rx_stats stats = { + .signal = 0, + .noise = -98, + .rate = 0, + // .mac_time = jiffies, + .freq = IEEE80211_24GHZ_BAND, + }; + u32 rx_pkt_len = 0; + struct ieee80211_hdr_1addr *ieee80211_hdr = NULL; + bool unicast_packet = false; +#ifdef USB_RX_AGGREGATION_SUPPORT + struct sk_buff *agg_skb = NULL; + u32 TotalLength = 0; + u32 TempDWord = 0; + u32 PacketLength = 0; + u32 PacketOccupiedLendth = 0; + u8 TempByte = 0; + u32 PacketShiftBytes = 0; + rx_desc_819x_usb_aggr_subframe *RxDescr = NULL; + u8 PaddingBytes = 0; + //add just for testing + u8 testing; + +#endif + + /* 20 is for ps-poll */ + if((skb->len >=(20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) { +#ifdef USB_RX_AGGREGATION_SUPPORT + TempByte = *(skb->data + sizeof(rx_desc_819x_usb)); +#endif + /* first packet should not contain Rx aggregation header */ + query_rxdesc_status(skb, &stats, false); + /* TODO */ + /* hardware related info */ +#ifdef USB_RX_AGGREGATION_SUPPORT + if (TempByte & BIT0) { + agg_skb = skb; + //TotalLength = agg_skb->len - 4; /*sCrcLng*/ + TotalLength = stats.Length - 4; /*sCrcLng*/ + //RT_TRACE(COMP_RECV, "%s:first aggregated packet!Length=%d\n",__FUNCTION__,TotalLength); + /* though the head pointer has passed this position */ + TempDWord = *(u32 *)(agg_skb->data - 4); + PacketLength = (u16)(TempDWord & 0x3FFF); /*sCrcLng*/ + skb = dev_alloc_skb(PacketLength); + memcpy(skb_put(skb,PacketLength),agg_skb->data,PacketLength); + PacketShiftBytes = GetRxPacketShiftBytes819xUsb(&stats, false); + } +#endif + /* Process the MPDU recevied */ + skb_trim(skb, skb->len - 4/*sCrcLng*/); + + rx_pkt_len = skb->len; + 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; + } + + if(!ieee80211_rx(priv->ieee80211,skb, &stats)) { + dev_kfree_skb_any(skb); + } else { + priv->stats.rxoktotal++; + if(unicast_packet) { + priv->stats.rxbytesunicast += rx_pkt_len; + } + } +#ifdef USB_RX_AGGREGATION_SUPPORT + testing = 1; + // (PipeIndex == 0) && (TempByte & BIT0) => TotalLength > 0. + if (TotalLength > 0) { + PacketOccupiedLendth = PacketLength + (PacketShiftBytes + 8); + if ((PacketOccupiedLendth & 0xFF) != 0) + PacketOccupiedLendth = (PacketOccupiedLendth & 0xFFFFFF00) + 256; + PacketOccupiedLendth -= 8; + TempDWord = PacketOccupiedLendth - PacketShiftBytes; /*- PacketLength */ + if (agg_skb->len > TempDWord) + skb_pull(agg_skb, TempDWord); + else + agg_skb->len = 0; + + while (agg_skb->len>=GetRxPacketShiftBytes819xUsb(&stats, true)) { + u8 tmpCRC = 0, tmpICV = 0; + //RT_TRACE(COMP_RECV,"%s:aggred pkt,total_len = %d\n",__FUNCTION__,agg_skb->len); + RxDescr = (rx_desc_819x_usb_aggr_subframe *)(agg_skb->data); + tmpCRC = RxDescr->CRC32; + tmpICV = RxDescr->ICV; + memcpy(agg_skb->data, &agg_skb->data[44], 2); + RxDescr->CRC32 = tmpCRC; + RxDescr->ICV = tmpICV; + + memset(&stats, 0, sizeof(struct ieee80211_rx_stats)); + stats.signal = 0; + stats.noise = -98; + stats.rate = 0; + stats.freq = IEEE80211_24GHZ_BAND; + query_rxdesc_status(agg_skb, &stats, true); + PacketLength = stats.Length; + + if(PacketLength > agg_skb->len) { + break; + } + /* Process the MPDU recevied */ + skb = dev_alloc_skb(PacketLength); + memcpy(skb_put(skb,PacketLength),agg_skb->data, PacketLength); + skb_trim(skb, skb->len - 4/*sCrcLng*/); + + rx_pkt_len = skb->len; + 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; + } + if(!ieee80211_rx(priv->ieee80211,skb, &stats)) { + dev_kfree_skb_any(skb); + } else { + priv->stats.rxoktotal++; + if(unicast_packet) { + priv->stats.rxbytesunicast += rx_pkt_len; + } + } + /* should trim the packet which has been copied to target skb */ + skb_pull(agg_skb, PacketLength); + PacketShiftBytes = GetRxPacketShiftBytes819xUsb(&stats, true); + PacketOccupiedLendth = PacketLength + PacketShiftBytes; + if ((PacketOccupiedLendth & 0xFF) != 0) { + PaddingBytes = 256 - (PacketOccupiedLendth & 0xFF); + if (agg_skb->len > PaddingBytes) + skb_pull(agg_skb, PaddingBytes); + else + agg_skb->len = 0; + } + } + dev_kfree_skb(agg_skb); + } +#endif + } else { + priv->stats.rxurberr++; + printk("actual_length:%d\n", skb->len); + dev_kfree_skb_any(skb); + } + +} + +void +rtl819xusb_process_received_packet( + struct net_device *dev, + struct ieee80211_rx_stats *pstats + ) +{ +// bool bfreerfd=false, bqueued=false; + u8* frame; + u16 frame_len=0; + struct r8192_priv *priv = ieee80211_priv(dev); +// u8 index = 0; +// u8 TID = 0; + //u16 seqnum = 0; + //PRX_TS_RECORD pts = NULL; + + // Get shifted bytes of Starting address of 802.11 header. 2006.09.28, by Emily + //porting by amy 080508 + pstats->virtual_address += get_rxpacket_shiftbytes_819xusb(pstats); + frame = pstats->virtual_address; + frame_len = pstats->packetlength; +#ifdef TODO // by amy about HCT + if(!Adapter->bInHctTest) + CountRxErrStatistics(Adapter, pRfd); +#endif + { + #ifdef ENABLE_PS //by amy for adding ps function in future + RT_RF_POWER_STATE rtState; + // When RF is off, we should not count the packet for hw/sw synchronize + // reason, ie. there may be a duration while sw switch is changed and hw + // switch is being changed. 2006.12.04, by shien chang. + Adapter->HalFunc.GetHwRegHandler(Adapter, HW_VAR_RF_STATE, (u8* )(&rtState)); + if (rtState == eRfOff) + { + return; + } + #endif + priv->stats.rxframgment++; + + } +#ifdef TODO + RmMonitorSignalStrength(Adapter, pRfd); +#endif + /* 2007/01/16 MH Add RX command packet handle here. */ + /* 2007/03/01 MH We have to release RFD and return if rx pkt is cmd pkt. */ + if (rtl819xusb_rx_command_packet(dev, pstats)) + { + return; + } + +#ifdef SW_CRC_CHECK + SwCrcCheck(); +#endif + + +} + +void query_rx_cmdpkt_desc_status(struct sk_buff *skb, struct ieee80211_rx_stats *stats) +{ +// rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; +// struct net_device *dev=info->dev; +// struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + rx_desc_819x_usb *desc = (rx_desc_819x_usb *)skb->data; +// rx_drvinfo_819x_usb *driver_info; + + // + //Get Rx Descriptor Information + // + stats->virtual_address = (u8*)skb->data; + stats->Length = desc->Length; + stats->RxDrvInfoSize = 0; + stats->RxBufShift = 0; + stats->packetlength = stats->Length-scrclng; + stats->fraglength = stats->packetlength; + stats->fragoffset = 0; + stats->ntotalfrag = 1; +} + + +void rtl8192_rx_cmd(struct sk_buff *skb) +{ + struct rtl8192_rx_info *info = (struct rtl8192_rx_info *)skb->cb; + struct net_device *dev = info->dev; + //int ret; +// struct urb *rx_urb = info->urb; + /* TODO */ + struct ieee80211_rx_stats stats = { + .signal = 0, + .noise = -98, + .rate = 0, + // .mac_time = jiffies, + .freq = IEEE80211_24GHZ_BAND, + }; + + if((skb->len >=(20 + sizeof(rx_desc_819x_usb))) && (skb->len < RX_URB_SIZE)) + { + + query_rx_cmdpkt_desc_status(skb,&stats); + // this is to be done by amy 080508 prfd->queue_id = 1; + + + // + // Process the command packet received. + // + + rtl819xusb_process_received_packet(dev,&stats); + + dev_kfree_skb_any(skb); + } + else + ; + + +} + +void rtl8192_irq_rx_tasklet(struct r8192_priv *priv) +{ + struct sk_buff *skb; + struct rtl8192_rx_info *info; + + while (NULL != (skb = skb_dequeue(&priv->skb_queue))) { + info = (struct rtl8192_rx_info *)skb->cb; + switch (info->out_pipe) { + /* Nomal packet pipe */ + case 3: + //RT_TRACE(COMP_RECV, "normal in-pipe index(%d)\n",info->out_pipe); + priv->IrpPendingCount--; + rtl8192_rx_nomal(skb); + break; + + /* Command packet pipe */ + case 9: + RT_TRACE(COMP_RECV, "command in-pipe index(%d)\n",\ + info->out_pipe); + + rtl8192_rx_cmd(skb); + break; + + default: /* should never get here! */ + RT_TRACE(COMP_ERR, "Unknown in-pipe index(%d)\n",\ + info->out_pipe); + dev_kfree_skb(skb); + break; + + } + } +} + +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_validate_addr = eth_validate_addr, + .ndo_change_mtu = eth_change_mtu, + .ndo_start_xmit = ieee80211_xmit, +}; + + +/**************************************************************************** + ---------------------------- USB_STUFF--------------------------- +*****************************************************************************/ + +static int __devinit rtl8192_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ +// unsigned long ioaddr = 0; + struct net_device *dev = NULL; + struct r8192_priv *priv= NULL; + struct usb_device *udev = interface_to_usbdev(intf); + RT_TRACE(COMP_INIT, "Oops: i'm coming\n"); + + dev = alloc_ieee80211(sizeof(struct r8192_priv)); + + + usb_set_intfdata(intf, dev); + SET_NETDEV_DEV(dev, &intf->dev); + priv = ieee80211_priv(dev); + priv->ieee80211 = netdev_priv(dev); + priv->udev=udev; + + dev->netdev_ops = &rtl8192_netdev_ops; + + //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->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; + + +fail: + free_ieee80211(dev); + + RT_TRACE(COMP_ERR, "wlan driver load failed\n"); + return -ENODEV; + +} + +//detach all the work and timer structure declared or inititialize in r8192U_init function. +void rtl8192_cancel_deferred_work(struct r8192_priv* priv) +{ + + cancel_work_sync(&priv->reset_wq); + cancel_delayed_work(&priv->watch_dog_wq); + cancel_delayed_work(&priv->update_beacon_wq); + cancel_work_sync(&priv->qos_activate); + //cancel_work_sync(&priv->SetBWModeWorkItem); + //cancel_work_sync(&priv->SwChnlWorkItem); + +} + + +static void __devexit rtl8192_usb_disconnect(struct usb_interface *intf) +{ + struct net_device *dev = usb_get_intfdata(intf); + + struct r8192_priv *priv = ieee80211_priv(dev); + if(dev){ + + unregister_netdev(dev); + + RT_TRACE(COMP_DOWN, "=============>wlan driver to be removed\n"); + rtl8192_proc_remove_one(dev); + + rtl8192_down(dev); + if (priv->pFirmware) + { + kfree(priv->pFirmware); + priv->pFirmware = NULL; + } + // priv->rf_close(dev); +// rtl8192_SetRFPowerState(dev, eRfOff); + rtl8192_usb_deleteendpoints(dev); + destroy_workqueue(priv->priv_wq); + //rtl8192_irq_disable(dev); + //rtl8192_reset(dev); + mdelay(10); + + } + free_ieee80211(dev); + RT_TRACE(COMP_DOWN, "wlan driver removed\n"); +} + +/* fun with the built-in ieee80211 stack... */ +extern int ieee80211_debug_init(void); +extern void ieee80211_debug_exit(void); +extern int ieee80211_crypto_init(void); +extern void ieee80211_crypto_deinit(void); +extern int ieee80211_crypto_tkip_init(void); +extern void ieee80211_crypto_tkip_exit(void); +extern int ieee80211_crypto_ccmp_init(void); +extern void ieee80211_crypto_ccmp_exit(void); +extern int ieee80211_crypto_wep_init(void); +extern void ieee80211_crypto_wep_exit(void); + +static int __init rtl8192_usb_module_init(void) +{ + int ret; + +#ifdef CONFIG_IEEE80211_DEBUG + ret = ieee80211_debug_init(); + if (ret) { + printk(KERN_ERR "ieee80211_debug_init() failed %d\n", ret); + return ret; + } +#endif + ret = ieee80211_crypto_init(); + if (ret) { + printk(KERN_ERR "ieee80211_crypto_init() failed %d\n", ret); + return ret; + } + + ret = ieee80211_crypto_tkip_init(); + if (ret) { + printk(KERN_ERR "ieee80211_crypto_tkip_init() failed %d\n", + ret); + return ret; + } + + ret = ieee80211_crypto_ccmp_init(); + if (ret) { + printk(KERN_ERR "ieee80211_crypto_ccmp_init() failed %d\n", + ret); + return ret; + } + + ret = ieee80211_crypto_wep_init(); + if (ret) { + printk(KERN_ERR "ieee80211_crypto_wep_init() failed %d\n", ret); + return ret; + } + + 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(); + return usb_register(&rtl8192_usb_driver); +} + + +static void __exit rtl8192_usb_module_exit(void) +{ + usb_deregister(&rtl8192_usb_driver); + + RT_TRACE(COMP_DOWN, "Exiting"); +// rtl8192_proc_module_remove(); +} + + +void rtl8192_try_wake_queue(struct net_device *dev, int pri) +{ + 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_wake_queue(priv->ieee80211); +} + +void EnableHWSecurityConfig8192(struct net_device *dev) +{ + u8 SECR_value = 0x0; + struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); + struct ieee80211_device* ieee = priv->ieee80211; + SECR_value = SCR_TxEncEnable | SCR_RxDecEnable; + 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; + } + //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 ); + } +} + + +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; + 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); + } + } + } + +} + +/*************************************************************************** + ------------------- module init / exit stubs ---------------- +****************************************************************************/ +module_init(rtl8192_usb_module_init); +module_exit(rtl8192_usb_module_exit); |