/****************************************************************************** * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. * Linux device driver for RTL8192E * * Based on the r8180 driver, which is: * Copyright 2004-2005 Andrea Merello , 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 */ #include #include #include #include #include #include "r8192E_hw.h" #include "r8192E.h" #include "r8190_rtl8256.h" /* RTL8225 Radio frontend */ #include "r8180_93cx6.h" /* Card EEPROM */ #include "r8192E_wx.h" #include "r819xE_phy.h" //added by WB 4.30.2008 #include "r819xE_phyreg.h" #include "r819xE_cmdpkt.h" #include "r8192E_dm.h" #ifdef CONFIG_PM #include "r8192_pm.h" #endif #ifdef ENABLE_DOT11D #include "ieee80211/dot11d.h" #endif //set here to open your trace code. //WB u32 rt_global_debug_component = COMP_ERR ; //always open err flags on static DEFINE_PCI_DEVICE_TABLE(rtl8192_pci_id_tbl) = { /* Realtek */ { PCI_DEVICE(0x10ec, 0x8192) }, /* Corega */ { PCI_DEVICE(0x07aa, 0x0044) }, { PCI_DEVICE(0x07aa, 0x0047) }, {} }; static char ifname[IFNAMSIZ] = "wlan%d"; static int hwwep = 1; //default use hw. set 0 to use software security static int channels = 0x3fff; MODULE_LICENSE("GPL"); MODULE_VERSION("V 1.1"); MODULE_DEVICE_TABLE(pci, rtl8192_pci_id_tbl); //MODULE_AUTHOR("Andrea Merello "); MODULE_DESCRIPTION("Linux driver for Realtek RTL819x WiFi cards"); module_param_string(ifname, ifname, sizeof(ifname), 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(hwwep," Try to use hardware WEP support. Still broken and not available on all cards"); MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI"); static int __devinit rtl8192_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id); static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev); static struct pci_driver rtl8192_pci_driver = { .name = RTL819xE_MODULE_NAME, /* Driver name */ .id_table = rtl8192_pci_id_tbl, /* PCI_ID table */ .probe = rtl8192_pci_probe, /* probe fn */ .remove = __devexit_p(rtl8192_pci_disconnect), /* remove fn */ #ifdef CONFIG_PM .suspend = rtl8192E_suspend, /* PM suspend fn */ .resume = rtl8192E_resume, /* PM resume fn */ #else .suspend = NULL, /* PM suspend fn */ .resume = NULL, /* PM resume fn */ #endif }; static void rtl8192_start_beacon(struct ieee80211_device *ieee80211); static void rtl8192_stop_beacon(struct ieee80211_device *ieee80211); static void rtl819x_watchdog_wqcallback(struct work_struct *work); static void rtl8192_irq_rx_tasklet(unsigned long arg); static void rtl8192_irq_tx_tasklet(unsigned long arg); static void rtl8192_prepare_beacon(unsigned long arg); static irqreturn_t rtl8192_interrupt(int irq, void *param); static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb); static void rtl8192_update_ratr_table(struct r8192_priv *priv); static void rtl8192_restart(struct work_struct *work); static void watch_dog_timer_callback(unsigned long data); static int _rtl8192_up(struct r8192_priv *priv); static void rtl8192_cancel_deferred_work(struct r8192_priv* priv); static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb); #ifdef ENABLE_DOT11D typedef struct _CHANNEL_LIST { u8 Channel[32]; u8 Len; }CHANNEL_LIST, *PCHANNEL_LIST; static const 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 min_chan = 1; max_chan = 14; 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 max_chan) break; GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1; } } break; } case COUNTRY_CODE_GLOBAL_DOMAIN: { GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting Dot11d_Reset(ieee); ieee->bGlobalDomain = true; break; } default: break; } } #endif static inline bool rx_hal_is_cck_rate(prx_fwinfo_819x_pci pdrvinfo) { return (pdrvinfo->RxRate == DESC90_RATE1M || pdrvinfo->RxRate == DESC90_RATE2M || pdrvinfo->RxRate == DESC90_RATE5_5M || pdrvinfo->RxRate == DESC90_RATE11M) && !pdrvinfo->RxHT; } void CamResetAllEntry(struct r8192_priv* priv) { write_nic_dword(priv, RWCAM, BIT31|BIT30); } void write_cam(struct r8192_priv *priv, u8 addr, u32 data) { write_nic_dword(priv, WCAMI, data); write_nic_dword(priv, RWCAM, BIT31|BIT16|(addr&0xff) ); } u32 read_cam(struct r8192_priv *priv, u8 addr) { write_nic_dword(priv, RWCAM, 0x80000000|(addr&0xff) ); return read_nic_dword(priv, 0xa8); } u8 read_nic_byte(struct r8192_priv *priv, int x) { return 0xff & readb(priv->mem_start + x); } u32 read_nic_dword(struct r8192_priv *priv, int x) { return readl(priv->mem_start + x); } u16 read_nic_word(struct r8192_priv *priv, int x) { return readw(priv->mem_start + x); } void write_nic_byte(struct r8192_priv *priv, int x,u8 y) { writeb(y, priv->mem_start + x); udelay(20); } void write_nic_dword(struct r8192_priv *priv, int x,u32 y) { writel(y, priv->mem_start + x); udelay(20); } void write_nic_word(struct r8192_priv *priv, int x,u16 y) { writew(y, priv->mem_start + x); udelay(20); } u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee) { static const u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04}; static const u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04}; int wpa_ie_len= ieee->wpa_ie_len; struct ieee80211_crypt_data* crypt; int encrypt; crypt = ieee->crypt[ieee->tx_keyidx]; encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) || (ieee->host_encrypt && crypt && crypt->ops && (0 == strcmp(crypt->ops->name,"WEP"))); /* simply judge */ if(encrypt && (wpa_ie_len == 0)) { // wep encryption, no N mode setting */ return SEC_ALG_WEP; } else if((wpa_ie_len != 0)) { // parse pairwise key type */ 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 SEC_ALG_CCMP; else return SEC_ALG_TKIP; } else { return SEC_ALG_NONE; } } void rtl8192e_SetHwReg(struct ieee80211_device *ieee80211, u8 variable, u8 *val) { struct r8192_priv *priv = ieee80211_priv(ieee80211->dev); switch(variable) { case HW_VAR_BSSID: write_nic_dword(priv, BSSIDR, ((u32*)(val))[0]); write_nic_word(priv, BSSIDR+2, ((u16*)(val+2))[0]); break; case HW_VAR_MEDIA_STATUS: { RT_OP_MODE OpMode = *((RT_OP_MODE *)(val)); u8 btMsr = read_nic_byte(priv, MSR); btMsr &= 0xfc; switch(OpMode) { case RT_OP_MODE_INFRASTRUCTURE: btMsr |= MSR_INFRA; break; case RT_OP_MODE_IBSS: btMsr |= MSR_ADHOC; break; case RT_OP_MODE_AP: btMsr |= MSR_AP; break; default: btMsr |= MSR_NOLINK; break; } write_nic_byte(priv, MSR, btMsr); } break; case HW_VAR_CHECK_BSSID: { u32 RegRCR, Type; Type = ((u8*)(val))[0]; RegRCR = read_nic_dword(priv, RCR); priv->ReceiveConfig = RegRCR; if (Type == true) RegRCR |= (RCR_CBSSID); else if (Type == false) RegRCR &= (~RCR_CBSSID); write_nic_dword(priv, RCR,RegRCR); priv->ReceiveConfig = RegRCR; } break; case HW_VAR_SLOT_TIME: { priv->slot_time = val[0]; write_nic_byte(priv, SLOT_TIME, val[0]); } break; case HW_VAR_ACK_PREAMBLE: { u32 regTmp = 0; priv->short_preamble = (bool)(*(u8*)val ); regTmp = priv->basic_rate; if (priv->short_preamble) regTmp |= BRSR_AckShortPmb; write_nic_dword(priv, RRSR, regTmp); } break; case HW_VAR_CPU_RST: write_nic_dword(priv, CPU_GEN, ((u32*)(val))[0]); break; default: break; } } 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 r8192_priv *priv = data; 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 r8192_priv *priv = data; 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;) { 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(priv,n)); } len += snprintf(page + len, count - len,"\n"); len += snprintf(page + len, count - len, "\n####################page 1##################\n "); for(n=0;n<=max;) { 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(priv,0x100|n)); } len += snprintf(page + len, count - len, "\n####################page 3##################\n "); for(n=0;n<=max;) { 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(priv,0x300|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 r8192_priv *priv = data; int len = 0; len += snprintf(page + len, count - len, "TX VI priority ok int: %lu\n" "TX VO priority ok int: %lu\n" "TX BE priority ok int: %lu\n" "TX BK priority ok int: %lu\n" "TX MANAGE priority ok int: %lu\n" "TX BEACON priority ok int: %lu\n" "TX BEACON priority error int: %lu\n" "TX CMDPKT priority ok int: %lu\n" "TX queue stopped?: %d\n" "TX fifo overflow: %lu\n" "TX total data packets %lu\n" "TX total data bytes :%lu\n", priv->stats.txviokint, priv->stats.txvookint, priv->stats.txbeokint, priv->stats.txbkokint, priv->stats.txmanageokint, priv->stats.txbeaconokint, priv->stats.txbeaconerr, priv->stats.txcmdpktokint, netif_queue_stopped(priv->ieee80211->dev), priv->stats.txoverflow, priv->ieee80211->stats.tx_packets, priv->ieee80211->stats.tx_bytes); *eof = 1; return len; } static int proc_get_stats_rx(char *page, char **start, off_t offset, int count, int *eof, void *data) { struct r8192_priv *priv = data; int len = 0; len += snprintf(page + len, count - len, "RX packets: %lu\n" "RX desc err: %lu\n" "RX rx overflow error: %lu\n", priv->stats.rxint, priv->stats.rxrdu, priv->stats.rxoverflow); *eof = 1; return len; } static void rtl8192_proc_module_init(void) { RT_TRACE(COMP_INIT, "Initializing proc filesystem\n"); rtl8192_proc = proc_mkdir(RTL819xE_MODULE_NAME, init_net.proc_net); } static void rtl8192_proc_module_remove(void) { remove_proc_entry(RTL819xE_MODULE_NAME, init_net.proc_net); } static void rtl8192_proc_remove_one(struct r8192_priv *priv) { struct net_device *dev = priv->ieee80211->dev; printk("dev name=======> %s\n",dev->name); if (priv->dir_dev) { remove_proc_entry("stats-tx", priv->dir_dev); remove_proc_entry("stats-rx", priv->dir_dev); remove_proc_entry("stats-ap", priv->dir_dev); remove_proc_entry("registers", priv->dir_dev); remove_proc_entry("wlan0", rtl8192_proc); priv->dir_dev = NULL; } } static void rtl8192_proc_init_one(struct r8192_priv *priv) { struct net_device *dev = priv->ieee80211->dev; struct proc_dir_entry *e; priv->dir_dev = proc_mkdir(dev->name, 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, priv); 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, priv); 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, priv); 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, priv); if (!e) { RT_TRACE(COMP_ERR, "Unable to initialize " "/proc/net/rtl8192/%s/registers\n", dev->name); } } static short check_nic_enough_desc(struct ieee80211_device *ieee, int prio) { struct r8192_priv *priv = ieee80211_priv(ieee->dev); struct rtl8192_tx_ring *ring = &priv->tx_ring[prio]; /* for now we reserve two free descriptor as a safety boundary * between the tail and the head */ return (ring->entries - skb_queue_len(&ring->queue) >= 2); } static void tx_timeout(struct net_device *dev) { struct r8192_priv *priv = ieee80211_priv(dev); schedule_work(&priv->reset_wq); printk("TXTIMEOUT"); } static void rtl8192_irq_enable(struct r8192_priv *priv) { u32 mask; mask = IMR_ROK | IMR_VODOK | IMR_VIDOK | IMR_BEDOK | IMR_BKDOK | IMR_HCCADOK | IMR_MGNTDOK | IMR_COMDOK | IMR_HIGHDOK | IMR_BDOK | IMR_RXCMDOK | IMR_TIMEOUT0 | IMR_RDU | IMR_RXFOVW | IMR_TXFOVW | IMR_BcnInt | IMR_TBDOK | IMR_TBDER; write_nic_dword(priv, INTA_MASK, mask); } static void rtl8192_irq_disable(struct r8192_priv *priv) { write_nic_dword(priv, INTA_MASK, 0); synchronize_irq(priv->irq); } static void rtl8192_update_msr(struct r8192_priv *priv) { u8 msr; msr = read_nic_byte(priv, 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<ieee80211->iw_mode == IW_MODE_ADHOC) msr |= (MSR_LINK_ADHOC<ieee80211->iw_mode == IW_MODE_MASTER) msr |= (MSR_LINK_MASTER<dev); priv->chan = ch; /* need to implement rf set channel here WB */ if (priv->rf_set_chan) priv->rf_set_chan(ieee80211, priv->chan); } static void rtl8192_rx_enable(struct r8192_priv *priv) { write_nic_dword(priv, RDQDA, priv->rx_ring_dma); } /* the TX_DESC_BASE setting is according to the following queue index * BK_QUEUE ===> 0 * BE_QUEUE ===> 1 * VI_QUEUE ===> 2 * VO_QUEUE ===> 3 * HCCA_QUEUE ===> 4 * TXCMD_QUEUE ===> 5 * MGNT_QUEUE ===> 6 * HIGH_QUEUE ===> 7 * BEACON_QUEUE ===> 8 * */ static const u32 TX_DESC_BASE[] = {BKQDA, BEQDA, VIQDA, VOQDA, HCCAQDA, CQDA, MQDA, HQDA, BQDA}; static void rtl8192_tx_enable(struct r8192_priv *priv) { u32 i; for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) write_nic_dword(priv, TX_DESC_BASE[i], priv->tx_ring[i].dma); ieee80211_reset_queue(priv->ieee80211); } static void rtl8192_free_rx_ring(struct r8192_priv *priv) { int i; for (i = 0; i < priv->rxringcount; i++) { struct sk_buff *skb = priv->rx_buf[i]; if (!skb) continue; pci_unmap_single(priv->pdev, *((dma_addr_t *)skb->cb), priv->rxbuffersize, PCI_DMA_FROMDEVICE); kfree_skb(skb); } pci_free_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount, priv->rx_ring, priv->rx_ring_dma); priv->rx_ring = NULL; } static void rtl8192_free_tx_ring(struct r8192_priv *priv, unsigned int prio) { struct rtl8192_tx_ring *ring = &priv->tx_ring[prio]; while (skb_queue_len(&ring->queue)) { tx_desc_819x_pci *entry = &ring->desc[ring->idx]; struct sk_buff *skb = __skb_dequeue(&ring->queue); pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr), skb->len, PCI_DMA_TODEVICE); kfree_skb(skb); ring->idx = (ring->idx + 1) % ring->entries; } pci_free_consistent(priv->pdev, sizeof(*ring->desc)*ring->entries, ring->desc, ring->dma); ring->desc = NULL; } void PHY_SetRtl8192eRfOff(struct r8192_priv *priv) { //disable RF-Chip A/B rtl8192_setBBreg(priv, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0); //analog to digital off, for power save rtl8192_setBBreg(priv, rFPGA0_AnalogParameter4, 0x300, 0x0); //digital to analog off, for power save rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x18, 0x0); //rx antenna off rtl8192_setBBreg(priv, rOFDM0_TRxPathEnable, 0xf, 0x0); //rx antenna off rtl8192_setBBreg(priv, rOFDM1_TRxPathEnable, 0xf, 0x0); //analog to digital part2 off, for power save rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x60, 0x0); rtl8192_setBBreg(priv, rFPGA0_AnalogParameter1, 0x4, 0x0); // Analog parameter!!Change bias and Lbus control. write_nic_byte(priv, ANAPAR_FOR_8192PciE, 0x07); } static void rtl8192_halt_adapter(struct r8192_priv *priv, bool reset) { int i; u8 OpMode; u32 ulRegRead; OpMode = RT_OP_MODE_NO_LINK; priv->ieee80211->SetHwRegHandler(priv->ieee80211, HW_VAR_MEDIA_STATUS, &OpMode); if (!priv->ieee80211->bSupportRemoteWakeUp) { /* * disable tx/rx. In 8185 we write 0x10 (Reset bit), * but here we make reference to WMAC and wirte 0x0 */ write_nic_byte(priv, CMDR, 0); } mdelay(20); if (!reset) { mdelay(150); priv->bHwRfOffAction = 2; /* * Call MgntActSet_RF_State instead to * prevent RF config race condition. */ if (!priv->ieee80211->bSupportRemoteWakeUp) { PHY_SetRtl8192eRfOff(priv); ulRegRead = read_nic_dword(priv, CPU_GEN); ulRegRead |= CPU_GEN_SYSTEM_RESET; write_nic_dword(priv,CPU_GEN, ulRegRead); } else { /* for WOL */ write_nic_dword(priv, WFCRC0, 0xffffffff); write_nic_dword(priv, WFCRC1, 0xffffffff); write_nic_dword(priv, WFCRC2, 0xffffffff); /* Write PMR register */ write_nic_byte(priv, PMR, 0x5); /* Disable tx, enanble rx */ write_nic_byte(priv, MacBlkCtrl, 0xa); } } for(i = 0; i < MAX_QUEUE_SIZE; i++) { skb_queue_purge(&priv->ieee80211->skb_waitQ [i]); } for(i = 0; i < MAX_QUEUE_SIZE; i++) { skb_queue_purge(&priv->ieee80211->skb_aggQ [i]); } skb_queue_purge(&priv->skb_queue); } static void rtl8192_data_hard_stop(struct ieee80211_device *ieee80211) { } static void rtl8192_data_hard_resume(struct ieee80211_device *ieee80211) { } /* * this function TX data frames when the ieee80211 stack requires this. * It checks also if we need to stop the ieee tx queue, eventually do it */ static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct ieee80211_device *ieee80211, int rate) { struct r8192_priv *priv = ieee80211_priv(ieee80211->dev); int ret; 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 */ BUG_ON(queue_index == TXCMD_QUEUE); if (priv->bHwRadioOff || (!priv->up)) { kfree_skb(skb); return; } skb_push(skb, priv->ieee80211->tx_headroom); ret = rtl8192_tx(priv, skb); if (ret != 0) { kfree_skb(skb); } if (queue_index != MGNT_QUEUE) { priv->ieee80211->stats.tx_bytes += (skb->len - priv->ieee80211->tx_headroom); priv->ieee80211->stats.tx_packets++; } } /* * This is a rough attempt to TX a frame * This is called by the ieee 80211 stack to TX management frames. * If the ring is full packet are dropped (for data frame the queue * is stopped before this can happen). */ static int rtl8192_hard_start_xmit(struct sk_buff *skb, struct ieee80211_device *ieee80211) { struct r8192_priv *priv = ieee80211_priv(ieee80211->dev); int ret; cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); u8 queue_index = tcb_desc->queue_index; if (queue_index != TXCMD_QUEUE) { if (priv->bHwRadioOff || (!priv->up)) { kfree_skb(skb); return 0; } } if (queue_index == TXCMD_QUEUE) { rtl819xE_tx_cmd(priv, skb); ret = 0; return ret; } else { tcb_desc->RATRIndex = 7; tcb_desc->bTxDisableRateFallBack = 1; tcb_desc->bTxUseDriverAssingedRate = 1; tcb_desc->bTxEnableFwCalcDur = 1; skb_push(skb, ieee80211->tx_headroom); ret = rtl8192_tx(priv, skb); if (ret != 0) { kfree_skb(skb); } } return ret; } static void rtl8192_tx_isr(struct r8192_priv *priv, int prio) { struct rtl8192_tx_ring *ring = &priv->tx_ring[prio]; while (skb_queue_len(&ring->queue)) { tx_desc_819x_pci *entry = &ring->desc[ring->idx]; struct sk_buff *skb; /* * beacon packet will only use the first descriptor defaultly, * and the OWN may not be cleared by the hardware */ if (prio != BEACON_QUEUE) { if (entry->OWN) return; ring->idx = (ring->idx + 1) % ring->entries; } skb = __skb_dequeue(&ring->queue); pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr), skb->len, PCI_DMA_TODEVICE); kfree_skb(skb); } if (prio != BEACON_QUEUE) { /* try to deal with the pending packets */ tasklet_schedule(&priv->irq_tx_tasklet); } } static void rtl8192_stop_beacon(struct ieee80211_device *ieee80211) { } static void rtl8192_config_rate(struct r8192_priv *priv, u16* rate_config) { struct ieee80211_network *net; u8 i=0, basic_rate = 0; net = & priv->ieee80211->current_network; for (i=0; irates_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; irates_ex_len; i++) { basic_rate = net->rates_ex[i]&0x7f; switch(basic_rate) { case MGN_1M: *rate_config |= RRSR_1M; break; case MGN_2M: *rate_config |= RRSR_2M; break; case MGN_5_5M: *rate_config |= RRSR_5_5M; break; case MGN_11M: *rate_config |= RRSR_11M; break; case MGN_6M: *rate_config |= RRSR_6M; break; case MGN_9M: *rate_config |= RRSR_9M; break; case MGN_12M: *rate_config |= RRSR_12M; break; case MGN_18M: *rate_config |= RRSR_18M; break; case MGN_24M: *rate_config |= RRSR_24M; break; case MGN_36M: *rate_config |= RRSR_36M; break; case MGN_48M: *rate_config |= RRSR_48M; break; case MGN_54M: *rate_config |= RRSR_54M; break; } } } #define SHORT_SLOT_TIME 9 #define NON_SHORT_SLOT_TIME 20 static void rtl8192_update_cap(struct r8192_priv *priv, u16 cap) { u32 tmp = 0; 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(priv, 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(priv, SLOT_TIME, slot_time); } } static void rtl8192_net_update(struct r8192_priv *priv) { struct ieee80211_network *net; u16 BcnTimeCfg = 0, BcnCW = 6, BcnIFS = 0xf; u16 rate_config = 0; net = &priv->ieee80211->current_network; /* update Basic rate: RR, BRSR */ rtl8192_config_rate(priv, &rate_config); /* * Select RRSR (in Legacy-OFDM and CCK) * For 8190, we select only 24M, 12M, 6M, 11M, 5.5M, * 2M, and 1M from the Basic rate. * We do not use other rates. */ priv->basic_rate = rate_config &= 0x15f; /* BSSID */ write_nic_dword(priv, BSSIDR, ((u32 *)net->bssid)[0]); write_nic_word(priv, BSSIDR+4, ((u16 *)net->bssid)[2]); if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) { write_nic_word(priv, ATIMWND, 2); write_nic_word(priv, BCN_DMATIME, 256); write_nic_word(priv, BCN_INTERVAL, net->beacon_interval); /* * BIT15 of BCN_DRV_EARLY_INT will indicate * whether software beacon or hw beacon is applied. */ write_nic_word(priv, BCN_DRV_EARLY_INT, 10); write_nic_byte(priv, BCN_ERR_THRESH, 100); BcnTimeCfg |= (BcnCW<tx_ring[TXCMD_QUEUE]; mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); spin_lock_irqsave(&priv->irq_th_lock,flags); idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries; entry = &ring->desc[idx]; tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); memset(entry,0,12); entry->LINIP = tcb_desc->bLastIniPkt; entry->FirstSeg = 1;//first segment entry->LastSeg = 1; //last segment if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) { entry->CmdInit = DESC_PACKET_TYPE_INIT; } else { entry->CmdInit = DESC_PACKET_TYPE_NORMAL; entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8; entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset); entry->QueueSelect = QSLT_CMD; entry->TxFWInfoSize = 0x08; entry->RATid = (u8)DESC_PACKET_TYPE_INIT; } entry->TxBufferSize = skb->len; entry->TxBuffAddr = cpu_to_le32(mapping); entry->OWN = 1; __skb_queue_tail(&ring->queue, skb); spin_unlock_irqrestore(&priv->irq_th_lock,flags); write_nic_byte(priv, TPPoll, TPPoll_CQ); return; } /* * Mapping Software/Hardware descriptor queue id to "Queue Select Field" * in TxFwInfo data structure */ static u8 MapHwQueueToFirmwareQueue(u8 QueueID) { u8 QueueSelect = 0; switch (QueueID) { case BE_QUEUE: QueueSelect = QSLT_BE; break; case BK_QUEUE: QueueSelect = QSLT_BK; break; case VO_QUEUE: QueueSelect = QSLT_VO; break; case VI_QUEUE: QueueSelect = QSLT_VI; break; case MGNT_QUEUE: QueueSelect = QSLT_MGNT; break; case BEACON_QUEUE: QueueSelect = QSLT_BEACON; break; case TXCMD_QUEUE: QueueSelect = QSLT_CMD; break; case HIGH_QUEUE: default: RT_TRACE(COMP_ERR, "Impossible Queue Selection: %d\n", QueueID); break; } return QueueSelect; } static u8 MRateToHwRate8190Pci(u8 rate) { u8 ret = DESC90_RATE1M; switch(rate) { case MGN_1M: ret = DESC90_RATE1M; break; case MGN_2M: ret = DESC90_RATE2M; break; case MGN_5_5M: ret = DESC90_RATE5_5M; break; case MGN_11M: ret = DESC90_RATE11M; break; case MGN_6M: ret = DESC90_RATE6M; break; case MGN_9M: ret = DESC90_RATE9M; break; case MGN_12M: ret = DESC90_RATE12M; break; case MGN_18M: ret = DESC90_RATE18M; break; case MGN_24M: ret = DESC90_RATE24M; break; case MGN_36M: ret = DESC90_RATE36M; break; case MGN_48M: ret = DESC90_RATE48M; break; case MGN_54M: ret = DESC90_RATE54M; break; // HT rate since here case MGN_MCS0: ret = DESC90_RATEMCS0; break; case MGN_MCS1: ret = DESC90_RATEMCS1; break; case MGN_MCS2: ret = DESC90_RATEMCS2; break; case MGN_MCS3: ret = DESC90_RATEMCS3; break; case MGN_MCS4: ret = DESC90_RATEMCS4; break; case MGN_MCS5: ret = DESC90_RATEMCS5; break; case MGN_MCS6: ret = DESC90_RATEMCS6; break; case MGN_MCS7: ret = DESC90_RATEMCS7; break; case MGN_MCS8: ret = DESC90_RATEMCS8; break; case MGN_MCS9: ret = DESC90_RATEMCS9; break; case MGN_MCS10: ret = DESC90_RATEMCS10; break; case MGN_MCS11: ret = DESC90_RATEMCS11; break; case MGN_MCS12: ret = DESC90_RATEMCS12; break; case MGN_MCS13: ret = DESC90_RATEMCS13; break; case MGN_MCS14: ret = DESC90_RATEMCS14; break; case MGN_MCS15: ret = DESC90_RATEMCS15; break; case (0x80|0x20): ret = DESC90_RATEMCS32; break; default: break; } return ret; } static u8 QueryIsShort(u8 TxHT, u8 TxRate, cb_desc *tcb_desc) { u8 tmp_Short; tmp_Short = (TxHT==1)?((tcb_desc->bUseShortGI)?1:0):((tcb_desc->bUseShortPreamble)?1:0); if(TxHT==1 && TxRate != DESC90_RATEMCS15) tmp_Short = 0; return tmp_Short; } /* * The tx procedure is just as following, * skb->cb will contain all the following information, * priority, morefrag, rate, &dev. */ static short rtl8192_tx(struct r8192_priv *priv, struct sk_buff* skb) { struct rtl8192_tx_ring *ring; unsigned long flags; cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); tx_desc_819x_pci *pdesc = NULL; TX_FWINFO_8190PCI *pTxFwInfo = NULL; dma_addr_t mapping; bool multi_addr = false, broad_addr = false, uni_addr = false; u8 *pda_addr = NULL; int idx; if (priv->bdisable_nic) { RT_TRACE(COMP_ERR, "Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n", skb->len, tcb_desc->queue_index); return skb->len; } #ifdef ENABLE_LPS priv->ieee80211->bAwakePktSent = true; #endif mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); /* collect the tx packets statitcs */ pda_addr = ((u8 *)skb->data) + sizeof(TX_FWINFO_8190PCI); if (is_multicast_ether_addr(pda_addr)) multi_addr = true; else if (is_broadcast_ether_addr(pda_addr)) broad_addr = true; else uni_addr = true; if (uni_addr) priv->stats.txbytesunicast += (u8)(skb->len) - sizeof(TX_FWINFO_8190PCI); /* fill tx firmware */ pTxFwInfo = (PTX_FWINFO_8190PCI)skb->data; memset(pTxFwInfo, 0, sizeof(TX_FWINFO_8190PCI)); pTxFwInfo->TxHT = (tcb_desc->data_rate&0x80) ? 1 : 0; pTxFwInfo->TxRate = MRateToHwRate8190Pci((u8)tcb_desc->data_rate); pTxFwInfo->EnableCPUDur = tcb_desc->bTxEnableFwCalcDur; pTxFwInfo->Short = QueryIsShort(pTxFwInfo->TxHT, pTxFwInfo->TxRate, tcb_desc); /* Aggregation related */ if (tcb_desc->bAMPDUEnable) { pTxFwInfo->AllowAggregation = 1; pTxFwInfo->RxMF = tcb_desc->ampdu_factor; pTxFwInfo->RxAMD = tcb_desc->ampdu_density; } else { pTxFwInfo->AllowAggregation = 0; pTxFwInfo->RxMF = 0; pTxFwInfo->RxAMD = 0; } /* Protection mode related */ pTxFwInfo->RtsEnable = (tcb_desc->bRTSEnable) ? 1 : 0; pTxFwInfo->CtsEnable = (tcb_desc->bCTSEnable) ? 1 : 0; pTxFwInfo->RtsSTBC = (tcb_desc->bRTSSTBC) ? 1 : 0; pTxFwInfo->RtsHT = (tcb_desc->rts_rate&0x80) ? 1 : 0; pTxFwInfo->RtsRate = MRateToHwRate8190Pci((u8)tcb_desc->rts_rate); pTxFwInfo->RtsBandwidth = 0; pTxFwInfo->RtsSubcarrier = tcb_desc->RTSSC; pTxFwInfo->RtsShort = (pTxFwInfo->RtsHT == 0) ? (tcb_desc->bRTSUseShortPreamble ? 1 : 0) : (tcb_desc->bRTSUseShortGI? 1 : 0); /* Set Bandwidth and sub-channel settings. */ if (priv->CurrentChannelBW == HT_CHANNEL_WIDTH_20_40) { if (tcb_desc->bPacketBW) { pTxFwInfo->TxBandwidth = 1; /* use duplicated mode */ pTxFwInfo->TxSubCarrier = 0; } else { pTxFwInfo->TxBandwidth = 0; pTxFwInfo->TxSubCarrier = priv->nCur40MhzPrimeSC; } } else { pTxFwInfo->TxBandwidth = 0; pTxFwInfo->TxSubCarrier = 0; } spin_lock_irqsave(&priv->irq_th_lock, flags); ring = &priv->tx_ring[tcb_desc->queue_index]; if (tcb_desc->queue_index != BEACON_QUEUE) idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries; else idx = 0; pdesc = &ring->desc[idx]; if ((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) { RT_TRACE(COMP_ERR, "No more TX desc@%d, ring->idx = %d,idx = %d,%x\n", tcb_desc->queue_index, ring->idx, idx, skb->len); spin_unlock_irqrestore(&priv->irq_th_lock, flags); return skb->len; } /* fill tx descriptor */ memset(pdesc, 0, 12); /*DWORD 0*/ pdesc->LINIP = 0; pdesc->CmdInit = 1; pdesc->Offset = sizeof(TX_FWINFO_8190PCI) + 8; /* We must add 8!! */ pdesc->PktSize = (u16)skb->len-sizeof(TX_FWINFO_8190PCI); /*DWORD 1*/ pdesc->SecCAMID = 0; pdesc->RATid = tcb_desc->RATRIndex; pdesc->NoEnc = 1; pdesc->SecType = 0x0; if (tcb_desc->bHwSec) { switch (priv->ieee80211->pairwise_key_type) { case KEY_TYPE_WEP40: case KEY_TYPE_WEP104: pdesc->SecType = 0x1; pdesc->NoEnc = 0; break; case KEY_TYPE_TKIP: pdesc->SecType = 0x2; pdesc->NoEnc = 0; break; case KEY_TYPE_CCMP: pdesc->SecType = 0x3; pdesc->NoEnc = 0; break; case KEY_TYPE_NA: pdesc->SecType = 0x0; pdesc->NoEnc = 1; break; } } /* Set Packet ID */ pdesc->PktId = 0x0; pdesc->QueueSelect = MapHwQueueToFirmwareQueue(tcb_desc->queue_index); pdesc->TxFWInfoSize = sizeof(TX_FWINFO_8190PCI); pdesc->DISFB = tcb_desc->bTxDisableRateFallBack; pdesc->USERATE = tcb_desc->bTxUseDriverAssingedRate; pdesc->FirstSeg = 1; pdesc->LastSeg = 1; pdesc->TxBufferSize = skb->len; pdesc->TxBuffAddr = cpu_to_le32(mapping); __skb_queue_tail(&ring->queue, skb); pdesc->OWN = 1; spin_unlock_irqrestore(&priv->irq_th_lock, flags); priv->ieee80211->dev->trans_start = jiffies; write_nic_word(priv, TPPoll, 0x01<queue_index); return 0; } static short rtl8192_alloc_rx_desc_ring(struct r8192_priv *priv) { rx_desc_819x_pci *entry = NULL; int i; priv->rx_ring = pci_alloc_consistent(priv->pdev, sizeof(*priv->rx_ring) * priv->rxringcount, &priv->rx_ring_dma); if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) { RT_TRACE(COMP_ERR,"Cannot allocate RX ring\n"); return -ENOMEM; } memset(priv->rx_ring, 0, sizeof(*priv->rx_ring) * priv->rxringcount); priv->rx_idx = 0; for (i = 0; i < priv->rxringcount; i++) { struct sk_buff *skb = dev_alloc_skb(priv->rxbuffersize); dma_addr_t *mapping; entry = &priv->rx_ring[i]; if (!skb) return 0; priv->rx_buf[i] = skb; mapping = (dma_addr_t *)skb->cb; *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE); entry->BufferAddress = cpu_to_le32(*mapping); entry->Length = priv->rxbuffersize; entry->OWN = 1; } entry->EOR = 1; return 0; } static int rtl8192_alloc_tx_desc_ring(struct r8192_priv *priv, unsigned int prio, unsigned int entries) { tx_desc_819x_pci *ring; dma_addr_t dma; int i; ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma); if (!ring || (unsigned long)ring & 0xFF) { RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio); return -ENOMEM; } memset(ring, 0, sizeof(*ring)*entries); priv->tx_ring[prio].desc = ring; priv->tx_ring[prio].dma = dma; priv->tx_ring[prio].idx = 0; priv->tx_ring[prio].entries = entries; skb_queue_head_init(&priv->tx_ring[prio].queue); for (i = 0; i < entries; i++) ring[i].NextDescAddress = cpu_to_le32((u32)dma + ((i + 1) % entries) * sizeof(*ring)); return 0; } static short rtl8192_pci_initdescring(struct r8192_priv *priv) { u32 ret; int i; ret = rtl8192_alloc_rx_desc_ring(priv); if (ret) return ret; /* general process for other queue */ for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) { ret = rtl8192_alloc_tx_desc_ring(priv, i, priv->txringcount); if (ret) goto err_free_rings; } return 0; err_free_rings: rtl8192_free_rx_ring(priv); for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) if (priv->tx_ring[i].desc) rtl8192_free_tx_ring(priv, i); return 1; } static void rtl8192_pci_resetdescring(struct r8192_priv *priv) { int i; /* force the rx_idx to the first one */ if(priv->rx_ring) { rx_desc_819x_pci *entry = NULL; for (i = 0; i < priv->rxringcount; i++) { entry = &priv->rx_ring[i]; entry->OWN = 1; } priv->rx_idx = 0; } /* after reset, release previous pending packet, and force the * tx idx to the first one */ for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) { if (priv->tx_ring[i].desc) { struct rtl8192_tx_ring *ring = &priv->tx_ring[i]; while (skb_queue_len(&ring->queue)) { tx_desc_819x_pci *entry = &ring->desc[ring->idx]; struct sk_buff *skb = __skb_dequeue(&ring->queue); pci_unmap_single(priv->pdev, le32_to_cpu(entry->TxBuffAddr), skb->len, PCI_DMA_TODEVICE); kfree_skb(skb); ring->idx = (ring->idx + 1) % ring->entries; } ring->idx = 0; } } } static void rtl8192_link_change(struct ieee80211_device *ieee) { struct r8192_priv *priv = ieee80211_priv(ieee->dev); if (ieee->state == IEEE80211_LINKED) { rtl8192_net_update(priv); rtl8192_update_ratr_table(priv); //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(priv); } else { write_nic_byte(priv, 0x173, 0); } rtl8192_update_msr(priv); // 2007/10/16 MH MAC Will update TSF according to all received beacon, so we have // // To set CBSSID bit when link with any AP or STA. if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) { u32 reg = 0; reg = read_nic_dword(priv, RCR); if (priv->ieee80211->state == IEEE80211_LINKED) priv->ReceiveConfig = reg |= RCR_CBSSID; else priv->ReceiveConfig = reg &= ~RCR_CBSSID; write_nic_dword(priv, RCR, reg); } } static const struct ieee80211_qos_parameters def_qos_parameters = { {3,3,3,3},/* cw_min */ {7,7,7,7},/* cw_max */ {2,2,2,2},/* aifs */ {0,0,0,0},/* flags */ {0,0,0,0} /* tx_op_limit */ }; static void rtl8192_update_beacon(struct work_struct * work) { struct r8192_priv *priv = container_of(work, struct r8192_priv, update_beacon_wq.work); struct 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(priv, net->capability); } /* * background support to run QoS activate functionality */ static const int WDCAPARA_ADD[] = {EDCAPARA_BE,EDCAPARA_BK,EDCAPARA_VI,EDCAPARA_VO}; static void rtl8192_qos_activate(struct work_struct * work) { struct r8192_priv *priv = container_of(work, struct r8192_priv, qos_activate); struct ieee80211_qos_parameters *qos_parameters = &priv->ieee80211->current_network.qos_data.parameters; u8 mode = priv->ieee80211->current_network.mode; u8 u1bAIFS; u32 u4bAcParam; int i; mutex_lock(&priv->mutex); if(priv->ieee80211->state != IEEE80211_LINKED) goto success; RT_TRACE(COMP_QOS,"qos active process with associate response received\n"); /* It better set slot time at first */ /* For we just support b/g mode at present, let the slot time at 9/20 selection */ /* update the ac parameter to related registers */ for(i = 0; i < QOS_QUEUE_NUM; i++) { //Mode G/A: slotTimeTimer = 9; Mode B: 20 u1bAIFS = qos_parameters->aifs[i] * ((mode&(IEEE_G|IEEE_N_24G)) ?9:20) + aSifsTime; u4bAcParam = ((((u32)(qos_parameters->tx_op_limit[i]))<< AC_PARAM_TXOP_LIMIT_OFFSET)| (((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)| (((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)| ((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET)); write_nic_dword(priv, WDCAPARA_ADD[i], u4bAcParam); } 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 ieee80211_device *ieee, struct ieee80211_beacon * beacon, struct ieee80211_network * network) { struct r8192_priv *priv = ieee80211_priv(ieee->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 ieee80211_device *ieee, struct ieee80211_assoc_response_frame *resp, struct ieee80211_network *network) { struct r8192_priv *priv = ieee80211_priv(ieee->dev); rtl8192_qos_association_resp(priv, network); return 0; } /* updateRATRTabel for MCS only. Basic rate is not implemented. */ static void rtl8192_update_ratr_table(struct r8192_priv* priv) { struct ieee80211_device* ieee = priv->ieee80211; u8* pMcsRate = ieee->dot11HTOperationalRateSet; u32 ratr_value = 0; u8 rate_index = 0; rtl8192_config_rate(priv, (u16*)(&ratr_value)); ratr_value |= (*(u16*)(pMcsRate)) << 12; 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(priv, RATR0+rate_index*4, ratr_value); write_nic_byte(priv, UFWP, 1); } static bool GetNmodeSupportBySecCfg8190Pci(struct ieee80211_device *ieee) { return !(ieee->rtllib_ap_sec_type && (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))); } static void rtl8192_refresh_supportrate(struct r8192_priv* priv) { struct ieee80211_device* ieee = priv->ieee80211; //we donot consider set support rate for ABG mode, only HT MCS rate is set here. if (ieee->mode == WIRELESS_MODE_N_24G || ieee->mode == WIRELESS_MODE_N_5G) { memcpy(ieee->Regdot11HTOperationalRateSet, ieee->RegHTSuppRateSet, 16); } else memset(ieee->Regdot11HTOperationalRateSet, 0, 16); } static u8 rtl8192_getSupportedWireleeMode(void) { return (WIRELESS_MODE_N_24G|WIRELESS_MODE_G|WIRELESS_MODE_B); } static void rtl8192_SetWirelessMode(struct ieee80211_device *ieee, u8 wireless_mode) { struct r8192_priv *priv = ieee80211_priv(ieee->dev); u8 bSupportMode = rtl8192_getSupportedWireleeMode(); 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; } } 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); } static bool GetHalfNmodeSupportByAPs819xPci(struct ieee80211_device* ieee) { return ieee->bHalfWirelessN24GMode; } static short rtl8192_is_tx_queue_empty(struct ieee80211_device *ieee) { int i=0; struct r8192_priv *priv = ieee80211_priv(ieee->dev); for (i=0; i<=MGNT_QUEUE; i++) { if ((i== TXCMD_QUEUE) || (i == HCCA_QUEUE) ) continue; if (skb_queue_len(&(&priv->tx_ring[i])->queue) > 0){ printk("===>tx queue is not empty:%d, %d\n", i, skb_queue_len(&(&priv->tx_ring[i])->queue)); return 0; } } return 1; } static void rtl8192_hw_sleep_down(struct r8192_priv *priv) { MgntActSet_RF_State(priv, eRfSleep, RF_CHANGE_BY_PS); } static void rtl8192_hw_wakeup(struct ieee80211_device *ieee) { struct r8192_priv *priv = ieee80211_priv(ieee->dev); MgntActSet_RF_State(priv, eRfOn, RF_CHANGE_BY_PS); } static void rtl8192_hw_wakeup_wq (struct work_struct *work) { struct delayed_work *dwork = container_of(work,struct delayed_work,work); struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq); rtl8192_hw_wakeup(ieee); } #define MIN_SLEEP_TIME 50 #define MAX_SLEEP_TIME 10000 static void rtl8192_hw_to_sleep(struct ieee80211_device *ieee, u32 th, u32 tl) { struct r8192_priv *priv = ieee80211_priv(ieee->dev); u32 tmp; u32 rb = jiffies; // Writing HW register with 0 equals to disable // the timer, that is not really what we want // tl -= MSECS(8+16+7); // If the interval in witch we are requested to sleep is too // short then give up and remain awake // when we sleep after send null frame, the timer will be too short to sleep. // if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME)) ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) { printk("too short to sleep::%x, %x, %lx\n",tl, rb, MSECS(MIN_SLEEP_TIME)); return; } if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))|| ((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))|| ((tlMSECS(MAX_SLEEP_TIME)))) { printk("========>too long to sleep:%x, %x, %lx\n", tl, rb, MSECS(MAX_SLEEP_TIME)); return; } tmp = (tl>rb)?(tl-rb):(rb-tl); queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq,tmp); rtl8192_hw_sleep_down(priv); } static void rtl8192_init_priv_variable(struct r8192_priv *priv) { u8 i; PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl; // Default Halt the NIC if RF is OFF. pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC; pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ; pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM; pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM; pPSC->bLeisurePs = true; priv->ieee80211->RegMaxLPSAwakeIntvl = 5; priv->bHwRadioOff = false; priv->being_init_adapter = false; priv->txringcount = 64;//32; priv->rxbuffersize = 9100;//2048;//1024; priv->rxringcount = MAX_RX_COUNT;//64; priv->chan = 1; //set to channel 1 priv->RegWirelessMode = WIRELESS_MODE_AUTO; priv->RegChannelPlan = 0xf; 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 = (priv->ieee80211->dev->flags & IFF_PROMISC) ? 1:0; priv->bcck_in_ch14 = false; priv->CCKPresentAttentuation = 0; priv->rfa_txpowertrackingindex = 0; priv->rfc_txpowertrackingindex = 0; priv->CckPwEnl = 6; //added by amy for silent reset priv->ResetProgress = RESET_TYPE_NORESET; priv->bForcedSilentReset = 0; priv->bDisableNormalResetCheck = false; priv->force_reset = false; //added by amy for power save priv->RfOffReason = 0; priv->bHwRfOffAction = 0; priv->PowerSaveControl.bInactivePs = true; priv->PowerSaveControl.bIPSModeBackup = false; 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 = rtl8192_start_beacon; priv->ieee80211->stop_send_beacons = rtl8192_stop_beacon; priv->ieee80211->softmac_hard_start_xmit = rtl8192_hard_start_xmit; priv->ieee80211->set_chan = rtl8192_set_chan; priv->ieee80211->link_change = rtl8192_link_change; priv->ieee80211->softmac_data_hard_start_xmit = rtl8192_hard_data_xmit; priv->ieee80211->data_hard_stop = rtl8192_data_hard_stop; priv->ieee80211->data_hard_resume = rtl8192_data_hard_resume; priv->ieee80211->init_wmmparam_flag = 0; priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD; priv->ieee80211->check_nic_enough_desc = check_nic_enough_desc; priv->ieee80211->tx_headroom = sizeof(TX_FWINFO_8190PCI); priv->ieee80211->qos_support = 1; priv->ieee80211->SetBWModeHandler = rtl8192_SetBWMode; priv->ieee80211->handle_assoc_response = rtl8192_handle_assoc_response; priv->ieee80211->handle_beacon = rtl8192_handle_beacon; priv->ieee80211->sta_wake_up = rtl8192_hw_wakeup; priv->ieee80211->enter_sleep_state = rtl8192_hw_to_sleep; priv->ieee80211->ps_is_queue_empty = rtl8192_is_tx_queue_empty; priv->ieee80211->GetNmodeSupportBySecCfg = GetNmodeSupportBySecCfg8190Pci; priv->ieee80211->SetWirelessMode = rtl8192_SetWirelessMode; priv->ieee80211->GetHalfNmodeSupportByAPsHandler = GetHalfNmodeSupportByAPs819xPci; priv->ieee80211->InitialGainHandler = InitialGain819xPci; #ifdef ENABLE_IPS priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq; priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave; #endif #ifdef ENABLE_LPS priv->ieee80211->LeisurePSLeave = LeisurePSLeave; #endif priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg; priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type; priv->ShortRetryLimit = 0x30; priv->LongRetryLimit = 0x30; priv->ReceiveConfig = RCR_ADD3 | RCR_AMF | RCR_ADF | //accept management/data RCR_AICV | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko. RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC RCR_AAP | ((u32)7<pFirmware = vzalloc(sizeof(rt_firmware)); /* rx related queue */ skb_queue_head_init(&priv->skb_queue); /* Tx related queue */ for(i = 0; i < MAX_QUEUE_SIZE; i++) { skb_queue_head_init(&priv->ieee80211->skb_waitQ [i]); } for(i = 0; i < MAX_QUEUE_SIZE; i++) { skb_queue_head_init(&priv->ieee80211->skb_aggQ [i]); } priv->rf_set_chan = rtl8192_phy_SwChnl; } static void rtl8192_init_priv_lock(struct r8192_priv* priv) { spin_lock_init(&priv->irq_th_lock); spin_lock_init(&priv->rf_ps_lock); sema_init(&priv->wx_sem,1); sema_init(&priv->rf_sem,1); mutex_init(&priv->mutex); } /* init tasklet and wait_queue here */ #define DRV_NAME "wlan0" static void rtl8192_init_priv_task(struct r8192_priv *priv) { priv->priv_wq = create_workqueue(DRV_NAME); #ifdef ENABLE_IPS INIT_WORK(&priv->ieee80211->ips_leave_wq, IPSLeave_wq); #endif INIT_WORK(&priv->reset_wq, rtl8192_restart); INIT_DELAYED_WORK(&priv->watch_dog_wq, rtl819x_watchdog_wqcallback); INIT_DELAYED_WORK(&priv->txpower_tracking_wq, dm_txpower_trackingcallback); INIT_DELAYED_WORK(&priv->rfpath_check_wq, dm_rf_pathcheck_workitemcallback); INIT_DELAYED_WORK(&priv->update_beacon_wq, rtl8192_update_beacon); INIT_WORK(&priv->qos_activate, rtl8192_qos_activate); INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq, rtl8192_hw_wakeup_wq); tasklet_init(&priv->irq_rx_tasklet, rtl8192_irq_rx_tasklet, (unsigned long) priv); tasklet_init(&priv->irq_tx_tasklet, rtl8192_irq_tx_tasklet, (unsigned long) priv); tasklet_init(&priv->irq_prepare_beacon_tasklet, rtl8192_prepare_beacon, (unsigned long) priv); } static void rtl8192_get_eeprom_size(struct r8192_priv *priv) { u16 curCR = 0; RT_TRACE(COMP_INIT, "===========>%s()\n", __FUNCTION__); curCR = read_nic_dword(priv, EPROM_CMD); RT_TRACE(COMP_INIT, "read from Reg Cmd9346CR(%x):%x\n", EPROM_CMD, curCR); //whether need I consider BIT5? priv->epromtype = (curCR & EPROM_CMD_9356SEL) ? EPROM_93c56 : EPROM_93c46; RT_TRACE(COMP_INIT, "<===========%s(), epromtype:%d\n", __FUNCTION__, priv->epromtype); } /* * Adapter->EEPROMAddressSize should be set before this function call. * EEPROM address size can be got through GetEEPROMSize8185() */ static void rtl8192_read_eeprom_info(struct r8192_priv *priv) { struct net_device *dev = priv->ieee80211->dev; u8 tempval; u8 ICVer8192, ICVer8256; u16 i,usValue, IC_Version; u16 EEPROMId; u8 bMac_Tmp_Addr[6] = {0x00, 0xe0, 0x4c, 0x00, 0x00, 0x01}; RT_TRACE(COMP_INIT, "====> rtl8192_read_eeprom_info\n"); // TODO: I don't know if we need to apply EF function to EEPROM read function //2 Read EEPROM ID to make sure autoload is success EEPROMId = eprom_read(priv, 0); if( EEPROMId != RTL8190_EEPROM_ID ) { RT_TRACE(COMP_ERR, "EEPROM ID is invalid:%x, %x\n", EEPROMId, RTL8190_EEPROM_ID); priv->AutoloadFailFlag=true; } else { priv->AutoloadFailFlag=false; } // // Assign Chip Version ID // // Read IC Version && Channel Plan if(!priv->AutoloadFailFlag) { // VID, PID priv->eeprom_vid = eprom_read(priv, (EEPROM_VID >> 1)); priv->eeprom_did = eprom_read(priv, (EEPROM_DID >> 1)); usValue = eprom_read(priv, (u16)(EEPROM_Customer_ID>>1)) >> 8 ; priv->eeprom_CustomerID = (u8)( usValue & 0xff); usValue = eprom_read(priv, (EEPROM_ICVersion_ChannelPlan>>1)); priv->eeprom_ChannelPlan = usValue&0xff; IC_Version = ((usValue&0xff00)>>8); ICVer8192 = (IC_Version&0xf); //bit0~3; 1:A cut, 2:B cut, 3:C cut... ICVer8256 = ((IC_Version&0xf0)>>4);//bit4~6, bit7 reserved for other RF chip; 1:A cut, 2:B cut, 3:C cut... RT_TRACE(COMP_INIT, "ICVer8192 = 0x%x\n", ICVer8192); RT_TRACE(COMP_INIT, "ICVer8256 = 0x%x\n", ICVer8256); if(ICVer8192 == 0x2) //B-cut { if(ICVer8256 == 0x5) //E-cut priv->card_8192_version= VERSION_8190_BE; } switch(priv->card_8192_version) { case VERSION_8190_BD: case VERSION_8190_BE: break; default: priv->card_8192_version = VERSION_8190_BD; break; } RT_TRACE(COMP_INIT, "\nIC Version = 0x%x\n", priv->card_8192_version); } else { priv->card_8192_version = VERSION_8190_BD; priv->eeprom_vid = 0; priv->eeprom_did = 0; priv->eeprom_CustomerID = 0; priv->eeprom_ChannelPlan = 0; RT_TRACE(COMP_INIT, "IC Version = 0x%x\n", 0xff); } RT_TRACE(COMP_INIT, "EEPROM VID = 0x%4x\n", priv->eeprom_vid); RT_TRACE(COMP_INIT, "EEPROM DID = 0x%4x\n", priv->eeprom_did); RT_TRACE(COMP_INIT,"EEPROM Customer ID: 0x%2x\n", priv->eeprom_CustomerID); //2 Read Permanent MAC address if(!priv->AutoloadFailFlag) { for(i = 0; i < 6; i += 2) { usValue = eprom_read(priv, (u16) ((EEPROM_NODE_ADDRESS_BYTE_0+i)>>1)); *(u16*)(&dev->dev_addr[i]) = usValue; } } else { // when auto load failed, the last address byte set to be a random one. // added by david woo.2007/11/7 memcpy(dev->dev_addr, bMac_Tmp_Addr, 6); } RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr); //2 TX Power Check EEPROM Fail or not if(priv->card_8192_version > VERSION_8190_BD) { priv->bTXPowerDataReadFromEEPORM = true; } else { priv->bTXPowerDataReadFromEEPORM = false; } // 2007/11/15 MH 8190PCI Default=2T4R, 8192PCIE default=1T2R priv->rf_type = RTL819X_DEFAULT_RF_TYPE; if(priv->card_8192_version > VERSION_8190_BD) { // Read RF-indication and Tx Power gain index diff of legacy to HT OFDM rate. if(!priv->AutoloadFailFlag) { tempval = (eprom_read(priv, (EEPROM_RFInd_PowerDiff>>1))) & 0xff; priv->EEPROMLegacyHTTxPowerDiff = tempval & 0xf; // bit[3:0] if (tempval&0x80) //RF-indication, bit[7] priv->rf_type = RF_1T2R; else priv->rf_type = RF_2T4R; } else { priv->EEPROMLegacyHTTxPowerDiff = EEPROM_Default_LegacyHTTxPowerDiff; } RT_TRACE(COMP_INIT, "EEPROMLegacyHTTxPowerDiff = %d\n", priv->EEPROMLegacyHTTxPowerDiff); // Read ThermalMeter from EEPROM if(!priv->AutoloadFailFlag) { priv->EEPROMThermalMeter = (u8)(((eprom_read(priv, (EEPROM_ThermalMeter>>1))) & 0xff00)>>8); } else { priv->EEPROMThermalMeter = EEPROM_Default_ThermalMeter; } RT_TRACE(COMP_INIT, "ThermalMeter = %d\n", priv->EEPROMThermalMeter); //vivi, for tx power track priv->TSSI_13dBm = priv->EEPROMThermalMeter *100; if(priv->epromtype == EPROM_93c46) { // Read antenna tx power offset of B/C/D to A and CrystalCap from EEPROM if(!priv->AutoloadFailFlag) { usValue = eprom_read(priv, (EEPROM_TxPwDiff_CrystalCap>>1)); priv->EEPROMAntPwDiff = (usValue&0x0fff); priv->EEPROMCrystalCap = (u8)((usValue&0xf000)>>12); } else { priv->EEPROMAntPwDiff = EEPROM_Default_AntTxPowerDiff; priv->EEPROMCrystalCap = EEPROM_Default_TxPwDiff_CrystalCap; } RT_TRACE(COMP_INIT, "EEPROMAntPwDiff = %d\n", priv->EEPROMAntPwDiff); RT_TRACE(COMP_INIT, "EEPROMCrystalCap = %d\n", priv->EEPROMCrystalCap); // // Get per-channel Tx Power Level // for(i=0; i<14; i+=2) { if(!priv->AutoloadFailFlag) { usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_CCK+i)>>1) ); } else { usValue = EEPROM_Default_TxPower; } *((u16*)(&priv->EEPROMTxPowerLevelCCK[i])) = usValue; RT_TRACE(COMP_INIT,"CCK Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelCCK[i]); RT_TRACE(COMP_INIT, "CCK Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelCCK[i+1]); } for(i=0; i<14; i+=2) { if(!priv->AutoloadFailFlag) { usValue = eprom_read(priv, (u16) ((EEPROM_TxPwIndex_OFDM_24G+i)>>1) ); } else { usValue = EEPROM_Default_TxPower; } *((u16*)(&priv->EEPROMTxPowerLevelOFDM24G[i])) = usValue; RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i, priv->EEPROMTxPowerLevelOFDM24G[i]); RT_TRACE(COMP_INIT, "OFDM 2.4G Tx Power Level, Index %d = 0x%02x\n", i+1, priv->EEPROMTxPowerLevelOFDM24G[i+1]); } } // // Update HAL variables. // if(priv->epromtype == EPROM_93c46) { for(i=0; i<14; i++) { priv->TxPowerLevelCCK[i] = priv->EEPROMTxPowerLevelCCK[i]; priv->TxPowerLevelOFDM24G[i] = priv->EEPROMTxPowerLevelOFDM24G[i]; } priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff; // Antenna B gain offset to antenna A, bit0~3 priv->AntennaTxPwDiff[0] = (priv->EEPROMAntPwDiff & 0xf); // Antenna C gain offset to antenna A, bit4~7 priv->AntennaTxPwDiff[1] = ((priv->EEPROMAntPwDiff & 0xf0)>>4); // Antenna D gain offset to antenna A, bit8~11 priv->AntennaTxPwDiff[2] = ((priv->EEPROMAntPwDiff & 0xf00)>>8); // CrystalCap, bit12~15 priv->CrystalCap = priv->EEPROMCrystalCap; // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf); priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4); } else if(priv->epromtype == EPROM_93c56) { for(i=0; i<3; i++) // channel 1~3 use the same Tx Power Level. { priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[0]; priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[0]; priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[0]; priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[0]; } for(i=3; i<9; i++) // channel 4~9 use the same Tx Power Level { priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[1]; priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[1]; priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[1]; priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[1]; } for(i=9; i<14; i++) // channel 10~14 use the same Tx Power Level { priv->TxPowerLevelCCK_A[i] = priv->EEPROMRfACCKChnl1TxPwLevel[2]; priv->TxPowerLevelOFDM24G_A[i] = priv->EEPROMRfAOfdmChnlTxPwLevel[2]; priv->TxPowerLevelCCK_C[i] = priv->EEPROMRfCCCKChnl1TxPwLevel[2]; priv->TxPowerLevelOFDM24G_C[i] = priv->EEPROMRfCOfdmChnlTxPwLevel[2]; } for(i=0; i<14; i++) RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_A[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_A[i]); for(i=0; i<14; i++) RT_TRACE(COMP_INIT,"priv->TxPowerLevelOFDM24G_A[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_A[i]); for(i=0; i<14; i++) RT_TRACE(COMP_INIT, "priv->TxPowerLevelCCK_C[%d] = 0x%x\n", i, priv->TxPowerLevelCCK_C[i]); for(i=0; i<14; i++) RT_TRACE(COMP_INIT, "priv->TxPowerLevelOFDM24G_C[%d] = 0x%x\n", i, priv->TxPowerLevelOFDM24G_C[i]); priv->LegacyHTTxPowerDiff = priv->EEPROMLegacyHTTxPowerDiff; priv->AntennaTxPwDiff[0] = 0; priv->AntennaTxPwDiff[1] = 0; priv->AntennaTxPwDiff[2] = 0; priv->CrystalCap = priv->EEPROMCrystalCap; // ThermalMeter, bit0~3 for RFIC1, bit4~7 for RFIC2 priv->ThermalMeter[0] = (priv->EEPROMThermalMeter & 0xf); priv->ThermalMeter[1] = ((priv->EEPROMThermalMeter & 0xf0)>>4); } } if(priv->rf_type == RF_1T2R) { RT_TRACE(COMP_INIT, "1T2R config\n"); } else if (priv->rf_type == RF_2T4R) { RT_TRACE(COMP_INIT, "2T4R 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(priv); //1 Make a copy for following variables and we can change them if we want if(priv->RegChannelPlan == 0xf) { priv->ChannelPlan = priv->eeprom_ChannelPlan; } else { priv->ChannelPlan = priv->RegChannelPlan; } // // Used PID and DID to Set CustomerID // if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304 ) { priv->CustomerID = RT_CID_DLINK; } switch(priv->eeprom_CustomerID) { case EEPROM_CID_DEFAULT: priv->CustomerID = RT_CID_DEFAULT; break; case EEPROM_CID_CAMEO: priv->CustomerID = RT_CID_819x_CAMEO; break; case EEPROM_CID_RUNTOP: priv->CustomerID = RT_CID_819x_RUNTOP; break; case EEPROM_CID_NetCore: priv->CustomerID = RT_CID_819x_Netcore; break; case EEPROM_CID_TOSHIBA: // Merge by Jacken, 2008/01/31 priv->CustomerID = RT_CID_TOSHIBA; if(priv->eeprom_ChannelPlan&0x80) priv->ChannelPlan = priv->eeprom_ChannelPlan&0x7f; else priv->ChannelPlan = 0x0; RT_TRACE(COMP_INIT, "Toshiba ChannelPlan = 0x%x\n", priv->ChannelPlan); break; case EEPROM_CID_Nettronix: priv->CustomerID = RT_CID_Nettronix; break; case EEPROM_CID_Pronet: priv->CustomerID = RT_CID_PRONET; break; case EEPROM_CID_DLINK: priv->CustomerID = RT_CID_DLINK; break; case EEPROM_CID_WHQL: break; default: // value from RegCustomerID break; } //Avoid the channel plan array overflow, by Bruce, 2007-08-27. if(priv->ChannelPlan > CHANNEL_PLAN_LEN - 1) priv->ChannelPlan = 0; //FCC if( priv->eeprom_vid == 0x1186 && priv->eeprom_did == 0x3304) priv->ieee80211->bSupportRemoteWakeUp = true; else priv->ieee80211->bSupportRemoteWakeUp = false; RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan); RT_TRACE(COMP_INIT, "ChannelPlan = %d\n", priv->ChannelPlan); RT_TRACE(COMP_TRACE, "<==== ReadAdapterInfo\n"); } static short rtl8192_get_channel_map(struct r8192_priv *priv) { #ifdef ENABLE_DOT11D if(priv->ChannelPlan> COUNTRY_CODE_GLOBAL_DOMAIN){ printk("rtl8180_init:Error channel plan! Set to default.\n"); priv->ChannelPlan= 0; } RT_TRACE(COMP_INIT, "Channel plan is %d\n",priv->ChannelPlan); rtl819x_set_channel_map(priv->ChannelPlan, priv); #else int ch,i; //Set Default Channel Plan if(!channels){ DMESG("No channels, aborting"); return -1; } ch=channels; priv->ChannelPlan= 0;//hikaru // set channels 1..14 allowed in given locale for (i=1; i<=14; i++) { (priv->ieee80211->channel_map)[i] = (u8)(ch & 0x01); ch >>= 1; } #endif return 0; } static short rtl8192_init(struct r8192_priv *priv) { struct net_device *dev = priv->ieee80211->dev; memset(&(priv->stats),0,sizeof(struct Stats)); rtl8192_init_priv_variable(priv); rtl8192_init_priv_lock(priv); rtl8192_init_priv_task(priv); rtl8192_get_eeprom_size(priv); rtl8192_read_eeprom_info(priv); rtl8192_get_channel_map(priv); init_hal_dm(priv); init_timer(&priv->watch_dog_timer); priv->watch_dog_timer.data = (unsigned long)priv; priv->watch_dog_timer.function = watch_dog_timer_callback; if (request_irq(dev->irq, rtl8192_interrupt, IRQF_SHARED, dev->name, priv)) { printk("Error allocating IRQ %d",dev->irq); return -1; }else{ priv->irq=dev->irq; printk("IRQ %d",dev->irq); } if (rtl8192_pci_initdescring(priv) != 0){ printk("Endopoints initialization failed"); return -1; } return 0; } /* * Actually only set RRSR, RATR and BW_OPMODE registers * not to do all the hw config as its name says * This part need to modified according to the rate set we filtered */ static void rtl8192_hwconfig(struct r8192_priv *priv) { u32 regRATR = 0, regRRSR = 0; u8 regBwOpMode = 0, regTmp = 0; // Set RRSR, RATR, and BW_OPMODE registers // switch (priv->ieee80211->mode) { case WIRELESS_MODE_B: regBwOpMode = BW_OPMODE_20MHZ; regRATR = RATE_ALL_CCK; regRRSR = RATE_ALL_CCK; break; case WIRELESS_MODE_A: regBwOpMode = BW_OPMODE_5G |BW_OPMODE_20MHZ; regRATR = RATE_ALL_OFDM_AG; regRRSR = RATE_ALL_OFDM_AG; break; case WIRELESS_MODE_G: regBwOpMode = BW_OPMODE_20MHZ; regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; break; case WIRELESS_MODE_AUTO: case WIRELESS_MODE_N_24G: // It support CCK rate by default. // CCK rate will be filtered out only when associated AP does not support it. regBwOpMode = BW_OPMODE_20MHZ; regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS; regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG; break; case WIRELESS_MODE_N_5G: regBwOpMode = BW_OPMODE_5G; regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS; regRRSR = RATE_ALL_OFDM_AG; break; } write_nic_byte(priv, 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(priv, RATR0, ratr_value); write_nic_byte(priv, UFWP, 1); } regTmp = read_nic_byte(priv, 0x313); regRRSR = ((regTmp) << 24) | (regRRSR & 0x00ffffff); write_nic_dword(priv, RRSR, regRRSR); // // Set Retry Limit here // write_nic_word(priv, RETRY_LIMIT, priv->ShortRetryLimit << RETRY_LIMIT_SHORT_SHIFT | priv->LongRetryLimit << RETRY_LIMIT_LONG_SHIFT); // Set Contention Window here // Set Tx AGC // Set Tx Antenna including Feedback control // Set Auto Rate fallback control } static RT_STATUS rtl8192_adapter_start(struct r8192_priv *priv) { struct net_device *dev = priv->ieee80211->dev; u32 ulRegRead; RT_STATUS rtStatus = RT_STATUS_SUCCESS; u8 tmpvalue; u8 ICVersion,SwitchingRegulatorOutput; bool bfirmwareok = true; u32 tmpRegA, tmpRegC, TempCCk; int i =0; RT_TRACE(COMP_INIT, "====>%s()\n", __FUNCTION__); priv->being_init_adapter = true; rtl8192_pci_resetdescring(priv); // 2007/11/02 MH Before initalizing RF. We can not use FW to do RF-R/W. priv->Rf_Mode = RF_OP_By_SW_3wire; //dPLL on if(priv->ResetProgress == RESET_TYPE_NORESET) { write_nic_byte(priv, ANAPAR, 0x37); // Accordign to designer's explain, LBUS active will never > 10ms. We delay 10ms // Joseph increae the time to prevent firmware download fail mdelay(500); } //PlatformSleepUs(10000); // For any kind of InitializeAdapter process, we shall use system now!! priv->pFirmware->firmware_status = FW_STATUS_0_INIT; // //3 //Config CPUReset Register //3// //3 Firmware Reset Or Not ulRegRead = read_nic_dword(priv, CPU_GEN); if(priv->pFirmware->firmware_status == FW_STATUS_0_INIT) { //called from MPInitialized. do nothing ulRegRead |= CPU_GEN_SYSTEM_RESET; }else if(priv->pFirmware->firmware_status == FW_STATUS_5_READY) ulRegRead |= CPU_GEN_FIRMWARE_RESET; // Called from MPReset else RT_TRACE(COMP_ERR, "ERROR in %s(): undefined firmware state(%d)\n", __FUNCTION__, priv->pFirmware->firmware_status); write_nic_dword(priv, CPU_GEN, ulRegRead); //3// //3 //Fix the issue of E-cut high temperature issue //3// // TODO: E cut only ICVersion = read_nic_byte(priv, IC_VERRSION); if(ICVersion >= 0x4) //E-cut only { // HW SD suggest that we should not wirte this register too often, so driver // should readback this register. This register will be modified only when // power on reset SwitchingRegulatorOutput = read_nic_byte(priv, SWREGULATOR); if(SwitchingRegulatorOutput != 0xb8) { write_nic_byte(priv, SWREGULATOR, 0xa8); mdelay(1); write_nic_byte(priv, SWREGULATOR, 0xb8); } } //3// //3// Initialize BB before MAC //3// RT_TRACE(COMP_INIT, "BB Config Start!\n"); rtStatus = rtl8192_BBConfig(priv); if(rtStatus != RT_STATUS_SUCCESS) { RT_TRACE(COMP_ERR, "BB Config failed\n"); return rtStatus; } RT_TRACE(COMP_INIT,"BB Config Finished!\n"); //3//Set Loopback mode or Normal mode //3// //2006.12.13 by emily. Note!We should not merge these two CPU_GEN register writings // because setting of System_Reset bit reset MAC to default transmission mode. //Loopback mode or not priv->LoopbackMode = RTL819X_NO_LOOPBACK; if(priv->ResetProgress == RESET_TYPE_NORESET) { ulRegRead = read_nic_dword(priv, CPU_GEN); if(priv->LoopbackMode == RTL819X_NO_LOOPBACK) { ulRegRead = ((ulRegRead & CPU_GEN_NO_LOOPBACK_MSK) | CPU_GEN_NO_LOOPBACK_SET); } else if (priv->LoopbackMode == RTL819X_MAC_LOOPBACK ) { ulRegRead |= CPU_CCK_LOOPBACK; } else { RT_TRACE(COMP_ERR,"Serious error: wrong loopback mode setting\n"); } //2008.06.03, for WOL //ulRegRead &= (~(CPU_GEN_GPIO_UART)); write_nic_dword(priv, CPU_GEN, ulRegRead); // 2006.11.29. After reset cpu, we sholud wait for a second, otherwise, it may fail to write registers. Emily udelay(500); } //3Set Hardware(Do nothing now) rtl8192_hwconfig(priv); //2======================================================= // Common Setting for all of the FPGA platform. (part 1) //2======================================================= // If there is changes, please make sure it applies to all of the FPGA version //3 Turn on Tx/Rx write_nic_byte(priv, CMDR, CR_RE|CR_TE); //2Set Tx dma burst write_nic_byte(priv, PCIF, ((MXDMA2_NoLimit<dev_addr)[0]); write_nic_word(priv, MAC4, ((u16*)(dev->dev_addr + 4))[0]); //set RCR write_nic_dword(priv, RCR, priv->ReceiveConfig); //3 Initialize Number of Reserved Pages in Firmware Queue write_nic_dword(priv, 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 <ResetProgress == RESET_TYPE_NORESET) rtl8192_SetWirelessMode(priv->ieee80211, priv->ieee80211->mode); //----------------------------------------------------------------------------- // Set up security related. 070106, by rcnjko: // 1. Clear all H/W keys. // 2. Enable H/W encryption/decryption. //----------------------------------------------------------------------------- CamResetAllEntry(priv); { u8 SECR_value = 0x0; SECR_value |= SCR_TxEncEnable; SECR_value |= SCR_RxDecEnable; SECR_value |= SCR_NoSKMC; write_nic_byte(priv, SECR, SECR_value); } //3Beacon related write_nic_word(priv, ATIMWND, 2); write_nic_word(priv, BCN_INTERVAL, 100); for (i=0; icard_8192_version > (u8) VERSION_8190_BD) { rtl8192_phy_getTxPower(priv); rtl8192_phy_setTxPower(priv, priv->chan); } //if D or C cut tmpvalue = read_nic_byte(priv, IC_VERRSION); priv->IC_Cut = tmpvalue; RT_TRACE(COMP_INIT, "priv->IC_Cut = 0x%x\n", priv->IC_Cut); if(priv->IC_Cut >= IC_VersionCut_D) { //pHalData->bDcut = TRUE; if(priv->IC_Cut == IC_VersionCut_D) RT_TRACE(COMP_INIT, "D-cut\n"); if(priv->IC_Cut == IC_VersionCut_E) { RT_TRACE(COMP_INIT, "E-cut\n"); // HW SD suggest that we should not wirte this register too often, so driver // should readback this register. This register will be modified only when // power on reset } } else { //pHalData->bDcut = FALSE; RT_TRACE(COMP_INIT, "Before C-cut\n"); } //Firmware download RT_TRACE(COMP_INIT, "Load Firmware!\n"); bfirmwareok = init_firmware(priv); if(bfirmwareok != true) { rtStatus = RT_STATUS_FAILURE; return rtStatus; } RT_TRACE(COMP_INIT, "Load Firmware finished!\n"); //RF config if(priv->ResetProgress == RESET_TYPE_NORESET) { RT_TRACE(COMP_INIT, "RF Config Started!\n"); rtStatus = rtl8192_phy_RFConfig(priv); if(rtStatus != RT_STATUS_SUCCESS) { RT_TRACE(COMP_ERR, "RF Config failed\n"); return rtStatus; } RT_TRACE(COMP_INIT, "RF Config Finished!\n"); } rtl8192_phy_updateInitGain(priv); /*---- Set CCK and OFDM Block "ON"----*/ rtl8192_setBBreg(priv, rFPGA0_RFMOD, bCCKEn, 0x1); rtl8192_setBBreg(priv, rFPGA0_RFMOD, bOFDMEn, 0x1); //Enable Led write_nic_byte(priv, 0x87, 0x0); //2======================================================= // RF Power Save //2======================================================= #ifdef ENABLE_IPS { if(priv->RfOffReason > RF_CHANGE_BY_PS) { // H/W or S/W RF OFF before sleep. RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__,priv->RfOffReason); MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason); } else if(priv->RfOffReason >= RF_CHANGE_BY_IPS) { // H/W or S/W RF OFF before sleep. RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): Turn off RF for RfOffReason(%d)\n", __FUNCTION__, priv->RfOffReason); MgntActSet_RF_State(priv, eRfOff, priv->RfOffReason); } else { RT_TRACE((COMP_INIT|COMP_RF|COMP_POWER), "%s(): RF-ON \n",__FUNCTION__); priv->eRFPowerState = eRfOn; priv->RfOffReason = 0; } } #endif // We can force firmware to do RF-R/W if(priv->ieee80211->FwRWRF) priv->Rf_Mode = RF_OP_By_FW; else priv->Rf_Mode = RF_OP_By_SW_3wire; if(priv->ResetProgress == RESET_TYPE_NORESET) { dm_initialize_txpower_tracking(priv); if(priv->IC_Cut >= IC_VersionCut_D) { tmpRegA = rtl8192_QueryBBReg(priv, rOFDM0_XATxIQImbalance, bMaskDWord); tmpRegC = rtl8192_QueryBBReg(priv, rOFDM0_XCTxIQImbalance, bMaskDWord); for(i = 0; itxbbgain_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(priv, rCCK0_TxFilter1, bMaskByte2); for(i=0 ; icck_txbbgain_table[i].ccktxbb_valuearray[0]) { priv->CCKPresentAttentuation_20Mdefault =(u8) i; break; } } priv->CCKPresentAttentuation_40Mdefault = 0; priv->CCKPresentAttentuation_difference = 0; priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault; RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex); RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real); RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference); RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation); priv->btxpower_tracking = FALSE;//TEMPLY DISABLE } } rtl8192_irq_enable(priv); priv->being_init_adapter = false; return rtStatus; } static void rtl8192_prepare_beacon(unsigned long arg) { struct r8192_priv *priv = (struct r8192_priv*) arg; struct sk_buff *skb; cb_desc *tcb_desc; skb = ieee80211_get_beacon(priv->ieee80211); tcb_desc = (cb_desc *)(skb->cb + 8); /* prepare misc info for the beacon xmit */ tcb_desc->queue_index = BEACON_QUEUE; /* IBSS does not support HT yet, use 1M defaultly */ tcb_desc->data_rate = 2; tcb_desc->RATRIndex = 7; tcb_desc->bTxDisableRateFallBack = 1; tcb_desc->bTxUseDriverAssingedRate = 1; skb_push(skb, priv->ieee80211->tx_headroom); if(skb){ rtl8192_tx(priv, skb); } } /* * configure registers for beacon tx and enables it via * rtl8192_beacon_tx_enable(). rtl8192_beacon_tx_disable() might * be used to stop beacon transmission */ static void rtl8192_start_beacon(struct ieee80211_device *ieee80211) { struct r8192_priv *priv = ieee80211_priv(ieee80211->dev); struct ieee80211_network *net = &priv->ieee80211->current_network; u16 BcnTimeCfg = 0; u16 BcnCW = 6; u16 BcnIFS = 0xf; DMESG("Enabling beacon TX"); rtl8192_irq_disable(priv); //rtl8192_beacon_tx_enable(dev); /* ATIM window */ write_nic_word(priv, ATIMWND, 2); /* Beacon interval (in unit of TU) */ write_nic_word(priv, BCN_INTERVAL, net->beacon_interval); /* * DrvErlyInt (in unit of TU). * (Time to send interrupt to notify driver to c * hange beacon content) * */ write_nic_word(priv, BCN_DRV_EARLY_INT, 10); /* * BcnDMATIM(in unit of us). * Indicates the time before TBTT to perform beacon queue DMA * */ write_nic_word(priv, BCN_DMATIME, 256); /* * Force beacon frame transmission even after receiving * beacon frame from other ad hoc STA * */ write_nic_byte(priv, BCN_ERR_THRESH, 100); /* Set CW and IFS */ BcnTimeCfg |= BcnCW<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. priv->rx_chk_cnt++; if(priv->undecorated_smoothed_pwdb >= (RateAdaptiveTH_High+5)) { priv->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(priv->rx_chk_cnt < 2) { return bStuck; } else { priv->rx_chk_cnt = 0; } } else if(((priv->CurrentChannelBW!=HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdbCurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdbundecorated_smoothed_pwdb >= VeryLowRSSI) { if(priv->rx_chk_cnt < 4) { return bStuck; } else { priv->rx_chk_cnt = 0; } } else { if(priv->rx_chk_cnt < 8) { return bStuck; } else { priv->rx_chk_cnt = 0; } } if(priv->RxCounter==RegRxCounter) bStuck = TRUE; priv->RxCounter = RegRxCounter; return bStuck; } static RESET_TYPE RxCheckStuck(struct r8192_priv *priv) { if(HalRxCheckStuck8190Pci(priv)) { RT_TRACE(COMP_RESET, "RxStuck Condition\n"); return RESET_TYPE_SILENT; } return RESET_TYPE_NORESET; } static RESET_TYPE rtl819x_check_reset(struct r8192_priv *priv) { RESET_TYPE RxResetType = RESET_TYPE_NORESET; RT_RF_POWER_STATE rfState; rfState = priv->eRFPowerState; if (rfState != eRfOff && (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 * * 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. */ RxResetType = RxCheckStuck(priv); } RT_TRACE(COMP_RESET, "%s(): RxResetType is %d\n", __FUNCTION__, RxResetType); return RxResetType; } #ifdef ENABLE_IPS static void InactivePsWorkItemCallback(struct r8192_priv *priv) { PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl; RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() --------->\n"); // // This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem // is really scheduled. // The old code, sets this flag before scheduling the IPS workitem and however, at the same time the // previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing // blocks the IPS procedure of switching RF. // By Bruce, 2007-12-25. // pPSC->bSwRfProcessing = TRUE; RT_TRACE(COMP_RF, "InactivePsWorkItemCallback(): Set RF to %s.\n", pPSC->eInactivePowerState == eRfOff?"OFF":"ON"); MgntActSet_RF_State(priv, pPSC->eInactivePowerState, RF_CHANGE_BY_IPS); // // To solve CAM values miss in RF OFF, rewrite CAM values after RF ON. By Bruce, 2007-09-20. // pPSC->bSwRfProcessing = FALSE; RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <---------\n"); } #ifdef ENABLE_LPS /* Change current and default preamble mode. */ bool MgntActSet_802_11_PowerSaveMode(struct r8192_priv *priv, u8 rtPsMode) { // Currently, we do not change power save mode on IBSS mode. if(priv->ieee80211->iw_mode == IW_MODE_ADHOC) { return false; } // // If we make HW to fill up the PwrMgt bit for us, // some AP will not response to our mgnt frames with PwrMgt bit set, // e.g. cannot associate the AP. // So I commented out it. 2005.02.16, by rcnjko. // // // Change device's power save mode. // Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode ); // Update power save mode configured. //RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode); if(!priv->ps_force) { priv->ieee80211->ps = rtPsMode; } // Awake immediately if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED) { // Notify the AP we awke. rtl8192_hw_wakeup(priv->ieee80211); priv->ieee80211->sta_sleep = 0; spin_lock(&priv->ieee80211->mgmt_tx_lock); printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n"); ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0); spin_unlock(&priv->ieee80211->mgmt_tx_lock); } return true; } /* Enter the leisure power save mode. */ void LeisurePSEnter(struct ieee80211_device *ieee80211) { struct r8192_priv *priv = ieee80211_priv(ieee80211->dev); PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl; if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) && (priv->ieee80211->state == IEEE80211_LINKED)) || (priv->ieee80211->iw_mode == IW_MODE_ADHOC) || (priv->ieee80211->iw_mode == IW_MODE_MASTER)) return; if (pPSC->bLeisurePs) { // Idle for a while if we connect to AP a while ago. if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) // 4 Sec { if(priv->ieee80211->ps == IEEE80211_PS_DISABLED) { MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST); } } else pPSC->LpsIdleCount++; } } /* Leave leisure power save mode. */ void LeisurePSLeave(struct ieee80211_device *ieee80211) { struct r8192_priv *priv = ieee80211_priv(ieee80211->dev); PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl; if (pPSC->bLeisurePs) { if(priv->ieee80211->ps != IEEE80211_PS_DISABLED) { // move to lps_wakecomplete() MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_DISABLED); } } } #endif /* Enter the inactive power save mode. RF will be off */ void IPSEnter(struct r8192_priv *priv) { PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl; RT_RF_POWER_STATE rtState; if (pPSC->bInactivePs) { rtState = priv->eRFPowerState; // // Added by Bruce, 2007-12-25. // Do not enter IPS in the following conditions: // (1) RF is already OFF or Sleep // (2) bSwRfProcessing (indicates the IPS is still under going) // (3) Connectted (only disconnected can trigger IPS) // (4) IBSS (send Beacon) // (5) AP mode (send Beacon) // if (rtState == eRfOn && !pPSC->bSwRfProcessing && (priv->ieee80211->state != IEEE80211_LINKED) ) { RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n"); pPSC->eInactivePowerState = eRfOff; // queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem)); InactivePsWorkItemCallback(priv); } } } // // Description: // Leave the inactive power save mode, RF will be on. // 2007.08.17, by shien chang. // void IPSLeave(struct r8192_priv *priv) { PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl; RT_RF_POWER_STATE rtState; if (pPSC->bInactivePs) { rtState = priv->eRFPowerState; if (rtState != eRfOn && !pPSC->bSwRfProcessing && priv->RfOffReason <= RF_CHANGE_BY_IPS) { RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n"); pPSC->eInactivePowerState = eRfOn; InactivePsWorkItemCallback(priv); } } } void IPSLeave_wq(struct work_struct *work) { struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ips_leave_wq); struct net_device *dev = ieee->dev; struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); down(&priv->ieee80211->ips_sem); IPSLeave(priv); up(&priv->ieee80211->ips_sem); } void ieee80211_ips_leave_wq(struct ieee80211_device *ieee80211) { struct r8192_priv *priv = ieee80211_priv(ieee80211->dev); RT_RF_POWER_STATE rtState; rtState = priv->eRFPowerState; if (priv->PowerSaveControl.bInactivePs){ if(rtState == eRfOff){ if(priv->RfOffReason > RF_CHANGE_BY_IPS) { RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__); return; } else{ printk("=========>%s(): IPSLeave\n",__FUNCTION__); queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq); } } } } //added by amy 090331 end void ieee80211_ips_leave(struct ieee80211_device *ieee80211) { struct r8192_priv *priv = ieee80211_priv(ieee80211->dev); down(&ieee80211->ips_sem); IPSLeave(priv); up(&ieee80211->ips_sem); } #endif static void rtl819x_update_rxcounts( struct r8192_priv *priv, u32* TotalRxBcnNum, u32* TotalRxDataNum ) { u16 SlotIndex; u8 i; *TotalRxBcnNum = 0; *TotalRxDataNum = 0; SlotIndex = (priv->ieee80211->LinkDetectInfo.SlotIndex++)%(priv->ieee80211->LinkDetectInfo.SlotNum); priv->ieee80211->LinkDetectInfo.RxBcnNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvBcnInPeriod; priv->ieee80211->LinkDetectInfo.RxDataNum[SlotIndex] = priv->ieee80211->LinkDetectInfo.NumRecvDataInPeriod; for( i=0; iieee80211->LinkDetectInfo.SlotNum; i++ ){ *TotalRxBcnNum += priv->ieee80211->LinkDetectInfo.RxBcnNum[i]; *TotalRxDataNum += priv->ieee80211->LinkDetectInfo.RxDataNum[i]; } } static 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 ieee80211_device* ieee = priv->ieee80211; RESET_TYPE ResetType = RESET_TYPE_NORESET; bool bBusyTraffic = false; bool bEnterPS = false; if ((!priv->up) || priv->bHwRadioOff) return; if(!priv->up) return; hal_dm_watchdog(priv); #ifdef ENABLE_IPS if(ieee->actscanning == false){ if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) && (priv->eRFPowerState == eRfOn) && !ieee->is_set_key && (!ieee->proto_stoppping) && !ieee->wx_set_enc){ if (priv->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){ IPSEnter(priv); } } } #endif {//to get busy traffic condition if(ieee->state == IEEE80211_LINKED) { if( ieee->LinkDetectInfo.NumRxOkInPeriod> 100 || ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) { bBusyTraffic = true; } #ifdef ENABLE_LPS //added by amy for Leisure PS if( ((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) || (ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) ) { bEnterPS= false; } else { bEnterPS= true; } // LeisurePS only work in infra mode. if(bEnterPS) { LeisurePSEnter(priv->ieee80211); } else { LeisurePSLeave(priv->ieee80211); } #endif } else { #ifdef ENABLE_LPS LeisurePSLeave(priv->ieee80211); #endif } ieee->LinkDetectInfo.NumRxOkInPeriod = 0; ieee->LinkDetectInfo.NumTxOkInPeriod = 0; ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0; ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic; } //added by amy for AP roaming if(ieee->state == IEEE80211_LINKED && ieee->iw_mode == IW_MODE_INFRA) { u32 TotalRxBcnNum = 0; u32 TotalRxDataNum = 0; rtl819x_update_rxcounts(priv, &TotalRxBcnNum, &TotalRxDataNum); if((TotalRxBcnNum+TotalRxDataNum) == 0) { if (priv->eRFPowerState == eRfOff) RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__); printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__); // Dot11d_Reset(dev); ieee->state = IEEE80211_ASSOCIATING; notify_wx_assoc_event(priv->ieee80211); RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid); ieee->is_roaming = true; ieee->is_set_key = false; ieee->link_change(ieee); queue_work(ieee->wq, &ieee->associate_procedure_wq); } } ieee->LinkDetectInfo.NumRecvBcnInPeriod=0; ieee->LinkDetectInfo.NumRecvDataInPeriod=0; //check if reset the driver if (priv->watchdog_check_reset_cnt++ >= 3 && !ieee->is_roaming && priv->watchdog_last_time != 1) { ResetType = rtl819x_check_reset(priv); priv->watchdog_check_reset_cnt = 3; } if(!priv->bDisableNormalResetCheck && ResetType == RESET_TYPE_NORMAL) { priv->ResetProgress = RESET_TYPE_NORMAL; RT_TRACE(COMP_RESET,"%s(): NOMAL RESET\n",__FUNCTION__); return; } /* disable silent reset temply 2008.9.11*/ if( ((priv->force_reset) || (!priv->bDisableNormalResetCheck && ResetType==RESET_TYPE_SILENT))) // This is control by OID set in Pomelo { priv->watchdog_last_time = 1; } else priv->watchdog_last_time = 0; 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 = (struct r8192_priv *) data; queue_delayed_work(priv->priv_wq,&priv->watch_dog_wq,0); mod_timer(&priv->watch_dog_timer, jiffies + MSECS(IEEE80211_WATCH_DOG_TIME)); } static int _rtl8192_up(struct r8192_priv *priv) { RT_STATUS init_status = RT_STATUS_SUCCESS; struct net_device *dev = priv->ieee80211->dev; priv->up=1; priv->ieee80211->ieee_up=1; priv->bdisable_nic = false; //YJ,add,091111 RT_TRACE(COMP_INIT, "Bringing up iface\n"); init_status = rtl8192_adapter_start(priv); if(init_status != RT_STATUS_SUCCESS) { RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__); return -1; } RT_TRACE(COMP_INIT, "start adapter finished\n"); if (priv->eRFPowerState != eRfOn) MgntActSet_RF_State(priv, eRfOn, priv->RfOffReason); if(priv->ieee80211->state != IEEE80211_LINKED) ieee80211_softmac_start_protocol(priv->ieee80211); ieee80211_reset_queue(priv->ieee80211); watch_dog_timer_callback((unsigned long) priv); if(!netif_queue_stopped(dev)) netif_start_queue(dev); else netif_wake_queue(dev); return 0; } static int rtl8192_open(struct net_device *dev) { struct r8192_priv *priv = ieee80211_priv(dev); int ret; down(&priv->wx_sem); ret = rtl8192_up(dev); up(&priv->wx_sem); return ret; } int rtl8192_up(struct net_device *dev) { struct r8192_priv *priv = ieee80211_priv(dev); if (priv->up == 1) return -1; return _rtl8192_up(priv); } static int rtl8192_close(struct net_device *dev) { struct r8192_priv *priv = ieee80211_priv(dev); int ret; down(&priv->wx_sem); ret = rtl8192_down(dev); up(&priv->wx_sem); return ret; } int rtl8192_down(struct net_device *dev) { struct r8192_priv *priv = ieee80211_priv(dev); if (priv->up == 0) return -1; #ifdef ENABLE_LPS //LZM for PS-Poll AID issue. 090429 if(priv->ieee80211->state == IEEE80211_LINKED) LeisurePSLeave(priv->ieee80211); #endif priv->up=0; priv->ieee80211->ieee_up = 0; RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__); /* FIXME */ if (!netif_queue_stopped(dev)) netif_stop_queue(dev); rtl8192_irq_disable(priv); rtl8192_cancel_deferred_work(priv); deinit_hal_dm(priv); del_timer_sync(&priv->watch_dog_timer); ieee80211_softmac_stop_protocol(priv->ieee80211,true); rtl8192_halt_adapter(priv, false); memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list)); RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__); return 0; } void rtl8192_commit(struct r8192_priv *priv) { if (priv->up == 0) return ; ieee80211_softmac_stop_protocol(priv->ieee80211,true); rtl8192_irq_disable(priv); rtl8192_halt_adapter(priv, true); _rtl8192_up(priv); } static void rtl8192_restart(struct work_struct *work) { struct r8192_priv *priv = container_of(work, struct r8192_priv, reset_wq); down(&priv->wx_sem); rtl8192_commit(priv); up(&priv->wx_sem); } static void r8192_set_multicast(struct net_device *dev) { struct r8192_priv *priv = ieee80211_priv(dev); priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0; } static int r8192_set_mac_adr(struct net_device *dev, void *mac) { struct r8192_priv *priv = ieee80211_priv(dev); struct sockaddr *addr = mac; down(&priv->wx_sem); memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); schedule_work(&priv->reset_wq); up(&priv->wx_sem); return 0; } static void r8192e_set_hw_key(struct r8192_priv *priv, struct ieee_param *ipw) { struct ieee80211_device *ieee = priv->ieee80211; u8 broadcast_addr[6] = {0xff,0xff,0xff,0xff,0xff,0xff}; u32 key[4]; 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(key, ipw->u.crypt.key, 16); EnableHWSecurityConfig8192(priv); /* * 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! */ setKey(priv, 4, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key); /* LEAP WEP will never set this. */ if (ieee->auth_mode != 2) setKey(priv, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->pairwise_key_type, (u8*)ieee->ap_mac_addr, 0, key); } if ((ieee->pairwise_key_type == KEY_TYPE_CCMP) && ieee->pHTInfo->bCurrentHTSupport) { write_nic_byte(priv, 0x173, 1); /* fix aes bug */ } } else { memcpy(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(priv, ipw->u.crypt.idx, ipw->u.crypt.idx, ieee->group_key_type, broadcast_addr, 0, key); } } } /* based on ipw2200 driver */ static int rtl8192_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev); struct iwreq *wrq = (struct iwreq *)rq; int ret=-1; struct 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 = 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) r8192e_set_hw_key(priv, ipw); ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data); break; default: ret = -EOPNOTSUPP; break; } kfree(ipw); out: up(&priv->wx_sem); return ret; } static u8 HwRateToMRate90(bool bIsHT, u8 rate) { u8 ret_rate = 0x02; if(!bIsHT) { switch(rate) { case DESC90_RATE1M: ret_rate = MGN_1M; break; case DESC90_RATE2M: ret_rate = MGN_2M; break; case DESC90_RATE5_5M: ret_rate = MGN_5_5M; break; case DESC90_RATE11M: ret_rate = MGN_11M; break; case DESC90_RATE6M: ret_rate = MGN_6M; break; case DESC90_RATE9M: ret_rate = MGN_9M; break; case DESC90_RATE12M: ret_rate = MGN_12M; break; case DESC90_RATE18M: ret_rate = MGN_18M; break; case DESC90_RATE24M: ret_rate = MGN_24M; break; case DESC90_RATE36M: ret_rate = MGN_36M; break; case DESC90_RATE48M: ret_rate = MGN_48M; break; case DESC90_RATE54M: ret_rate = MGN_54M; break; default: RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n", rate, bIsHT); break; } } else { switch(rate) { case DESC90_RATEMCS0: ret_rate = MGN_MCS0; break; case DESC90_RATEMCS1: ret_rate = MGN_MCS1; break; case DESC90_RATEMCS2: ret_rate = MGN_MCS2; break; case DESC90_RATEMCS3: ret_rate = MGN_MCS3; break; case DESC90_RATEMCS4: ret_rate = MGN_MCS4; break; case DESC90_RATEMCS5: ret_rate = MGN_MCS5; break; case DESC90_RATEMCS6: ret_rate = MGN_MCS6; break; case DESC90_RATEMCS7: ret_rate = MGN_MCS7; break; case DESC90_RATEMCS8: ret_rate = MGN_MCS8; break; case DESC90_RATEMCS9: ret_rate = MGN_MCS9; break; case DESC90_RATEMCS10: ret_rate = MGN_MCS10; break; case DESC90_RATEMCS11: ret_rate = MGN_MCS11; break; case DESC90_RATEMCS12: ret_rate = MGN_MCS12; break; case DESC90_RATEMCS13: ret_rate = MGN_MCS13; break; case DESC90_RATEMCS14: ret_rate = MGN_MCS14; break; case DESC90_RATEMCS15: ret_rate = MGN_MCS15; break; case DESC90_RATEMCS32: ret_rate = (0x80|0x20); break; default: RT_TRACE(COMP_RECV, "HwRateToMRate90(): Non supported Rate [%x], bIsHT = %d!!!\n",rate, bIsHT); break; } } return ret_rate; } /* Record the TSF time stamp when receiving a packet */ static void UpdateRxPktTimeStamp8190(struct r8192_priv *priv, struct ieee80211_rx_stats *stats) { if(stats->bIsAMPDU && !stats->bFirstMPDU) { stats->mac_time[0] = priv->LastRxDescTSFLow; stats->mac_time[1] = priv->LastRxDescTSFHigh; } else { priv->LastRxDescTSFLow = stats->mac_time[0]; priv->LastRxDescTSFHigh = stats->mac_time[1]; } } static long rtl819x_translate_todbm(u8 signal_strength_index)// 0-100 index. { long signal_power; // in dBm. // Translate to dBm (x=0.5y-95). signal_power = (long)((signal_strength_index + 1) >> 1); signal_power -= 95; return signal_power; } /* 2008/01/22 MH We can not delcare RSSI/EVM total value of sliding window to be a local static. Otherwise, it may increase when we return from S3/S4. The value will be kept in memory or disk. We must delcare the value in adapter and it will be reinitialized when return from S3/S4. */ static void rtl8192_process_phyinfo(struct r8192_priv * priv, u8* buffer,struct ieee80211_rx_stats * pprevious_stats, struct ieee80211_rx_stats * pcurrent_stats) { bool bcheck = false; u8 rfpath; u32 nspatial_stream, tmp_val; static u32 slide_rssi_index=0, slide_rssi_statistics=0; static u32 slide_evm_index=0, slide_evm_statistics=0; static u32 last_rssi=0, last_evm=0; //cosa add for beacon rssi smoothing static u32 slide_beacon_adc_pwdb_index=0, slide_beacon_adc_pwdb_statistics=0; static u32 last_beacon_adc_pwdb=0; struct ieee80211_hdr_3addr *hdr; u16 sc ; unsigned int frag,seq; hdr = (struct ieee80211_hdr_3addr *)buffer; sc = le16_to_cpu(hdr->seq_ctl); frag = WLAN_GET_SEQ_FRAG(sc); seq = WLAN_GET_SEQ_SEQ(sc); // // Check whether we should take the previous packet into accounting // if(!pprevious_stats->bIsAMPDU) { // if previous packet is not aggregated packet bcheck = true; } 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; // <2> Showed on UI for engineering // hardware does not provide rssi information for each rf path in CCK if(!pprevious_stats->bIsCCK && pprevious_stats->bPacketToSelf) { for (rfpath = RF90_PATH_A; rfpath < RF90_PATH_C; rfpath++) { if (!rtl8192_phy_CheckIsLegalRFPath(priv, rfpath)) continue; RT_TRACE(COMP_DBG, "pPreviousstats->RxMIMOSignalStrength[rfpath] = %d\n", pprevious_stats->RxMIMOSignalStrength[rfpath]); //Fixed by Jacken 2008-03-20 if(priv->stats.rx_rssi_percentage[rfpath] == 0) { priv->stats.rx_rssi_percentage[rfpath] = pprevious_stats->RxMIMOSignalStrength[rfpath]; } 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->RxStats.RxRSSIPercentage[rfPath] = %d \n" , priv->stats.rx_rssi_percentage[rfpath]); } } // // Check PWDB. // //cosa add for beacon rssi smoothing by average. if(pprevious_stats->bPacketBeacon) { /* record the beacon pwdb to the sliding window. */ if(slide_beacon_adc_pwdb_statistics++ >= PHY_Beacon_RSSI_SLID_WIN_MAX) { slide_beacon_adc_pwdb_statistics = PHY_Beacon_RSSI_SLID_WIN_MAX; last_beacon_adc_pwdb = priv->stats.Slide_Beacon_pwdb[slide_beacon_adc_pwdb_index]; priv->stats.Slide_Beacon_Total -= last_beacon_adc_pwdb; // 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; 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; } 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; //cosa add 10/11/2007, Showed on UI for user in Windows Vista, for Link quality. } // <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); } } } } } static u8 rtl819x_query_rxpwrpercentage( char antpower ) { if ((antpower <= -100) || (antpower >= 20)) { return 0; } else if (antpower >= 0) { return 100; } else { return (100+antpower); } } 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; } /* We want good-looking for signal strength/quality */ static long rtl819x_signal_scale_mapping(long currsig) { long retsig; // Step 1. Scale mapping. if(currsig >= 61 && currsig <= 100) { retsig = 90 + ((currsig - 60) / 4); } else if(currsig >= 41 && currsig <= 60) { retsig = 78 + ((currsig - 40) / 2); } else if(currsig >= 31 && currsig <= 40) { retsig = 66 + (currsig - 30); } else if(currsig >= 21 && currsig <= 30) { retsig = 54 + (currsig - 20); } else if(currsig >= 5 && currsig <= 20) { retsig = 42 + (((currsig - 5) * 2) / 3); } else if(currsig == 4) { retsig = 36; } else if(currsig == 3) { retsig = 27; } else if(currsig == 2) { retsig = 18; } else if(currsig == 1) { retsig = 9; } else { retsig = currsig; } return retsig; } static void rtl8192_query_rxphystatus( struct r8192_priv * priv, struct ieee80211_rx_stats * pstats, prx_desc_819x_pci pdesc, prx_fwinfo_819x_pci pdrvinfo, struct ieee80211_rx_stats * precord_stats, bool bpacket_match_bssid, bool bpacket_toself, bool bPacketBeacon, bool bToSelfBA ) { //PRT_RFD_STATUS pRtRfdStatus = &(pRfd->Status); phy_sts_ofdm_819xpci_t* pofdm_buf; phy_sts_cck_819xpci_t * pcck_buf; phy_ofdm_rx_status_rxsc_sgien_exintfflag* prxsc; u8 *prxpkt; u8 i,max_spatial_stream, tmp_rxsnr, tmp_rxevm, rxsc_sgien_exflg; char rx_pwr[4], rx_pwr_all=0; //long rx_avg_pwr = 0; char rx_snrX, rx_evmX; u8 evm, pwdb_all; u32 RSSI, total_rssi=0;//, total_evm=0; // long signal_strength_index = 0; u8 is_cck_rate=0; u8 rf_rx_num = 0; is_cck_rate = rx_hal_is_cck_rate(pdrvinfo); // Record it for next packet processing memset(precord_stats, 0, sizeof(struct ieee80211_rx_stats)); pstats->bPacketMatchBSSID = precord_stats->bPacketMatchBSSID = bpacket_match_bssid; pstats->bPacketToSelf = precord_stats->bPacketToSelf = bpacket_toself; pstats->bIsCCK = precord_stats->bIsCCK = is_cck_rate;//RX_HAL_IS_CCK_RATE(pDrvInfo); pstats->bPacketBeacon = precord_stats->bPacketBeacon = bPacketBeacon; pstats->bToSelfBA = precord_stats->bToSelfBA = bToSelfBA; /*2007.08.30 requested by SD3 Jerry */ if (priv->phy_check_reg824 == 0) { priv->phy_reg824_bit9 = rtl8192_QueryBBReg(priv, rFPGA0_XA_HSSIParameter2, 0x200); priv->phy_check_reg824 = 1; } prxpkt = (u8*)pdrvinfo; /* Move pointer to the 16th bytes. Phy status start address. */ prxpkt += sizeof(rx_fwinfo_819x_pci); /* Initial the cck and ofdm buffer pointer */ pcck_buf = (phy_sts_cck_819xpci_t *)prxpkt; pofdm_buf = (phy_sts_ofdm_819xpci_t *)prxpkt; pstats->RxMIMOSignalQuality[0] = -1; pstats->RxMIMOSignalQuality[1] = -1; precord_stats->RxMIMOSignalQuality[0] = -1; precord_stats->RxMIMOSignalQuality[1] = -1; if(is_cck_rate) { // // (1)Hardware does not provide RSSI for CCK // // // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) // u8 report;//, cck_agc_rpt; if (!priv->phy_reg824_bit9) { report = pcck_buf->cck_agc_rpt & 0xc0; report = report>>6; switch(report) { //Fixed by Jacken from Bryant 2008-03-20 //Original value is -38 , -26 , -14 , -2 //Fixed value is -35 , -23 , -11 , 6 case 0x3: rx_pwr_all = -35 - (pcck_buf->cck_agc_rpt & 0x3e); break; case 0x2: rx_pwr_all = -23 - (pcck_buf->cck_agc_rpt & 0x3e); break; case 0x1: rx_pwr_all = -11 - (pcck_buf->cck_agc_rpt & 0x3e); break; case 0x0: rx_pwr_all = 8 - (pcck_buf->cck_agc_rpt & 0x3e); break; } } else { report = pcck_buf->cck_agc_rpt & 0x60; report = report>>5; switch(report) { case 0x3: rx_pwr_all = -35 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ; break; case 0x2: rx_pwr_all = -23 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1); break; case 0x1: rx_pwr_all = -11 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ; break; case 0x0: rx_pwr_all = -8 - ((pcck_buf->cck_agc_rpt & 0x1f)<<1) ; break; } } pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all); pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all; pstats->RecvSignalPower = rx_pwr_all; // // (3) Get Signal Quality (EVM) // if(bpacket_match_bssid) { u8 sq; if(pstats->RxPWDBAll > 40) { sq = 100; }else { sq = pcck_buf->sq_rpt; if(pcck_buf->sq_rpt > 64) sq = 0; else if (pcck_buf->sq_rpt < 20) sq = 100; else sq = ((64-sq) * 100) / 44; } pstats->SignalQuality = precord_stats->SignalQuality = sq; pstats->RxMIMOSignalQuality[0] = precord_stats->RxMIMOSignalQuality[0] = sq; pstats->RxMIMOSignalQuality[1] = precord_stats->RxMIMOSignalQuality[1] = -1; } } else { // // (1)Get RSSI for HT rate // for(i=RF90_PATH_A; ibrfpath_rxenable[i]) rf_rx_num++; //else //continue; //Fixed by Jacken from Bryant 2008-03-20 //Original value is 106 rx_pwr[i] = ((pofdm_buf->trsw_gain_X[i]&0x3F)*2) - 110; //Get Rx snr value in DB tmp_rxsnr = pofdm_buf->rxsnr_X[i]; rx_snrX = (char)(tmp_rxsnr); rx_snrX /= 2; /* Translate DBM to percentage. */ RSSI = rtl819x_query_rxpwrpercentage(rx_pwr[i]); if (priv->brfpath_rxenable[i]) total_rssi += RSSI; /* Record Signal Strength for next packet */ if(bpacket_match_bssid) { pstats->RxMIMOSignalStrength[i] =(u8) RSSI; precord_stats->RxMIMOSignalStrength[i] =(u8) RSSI; } } // // (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) // //Fixed by Jacken from Bryant 2008-03-20 //Original value is 106 rx_pwr_all = (((pofdm_buf->pwdb_all ) >> 1 )& 0x7f) -106; pwdb_all = rtl819x_query_rxpwrpercentage(rx_pwr_all); pstats->RxPWDBAll = precord_stats->RxPWDBAll = pwdb_all; pstats->RxPower = precord_stats->RxPower = rx_pwr_all; pstats->RecvSignalPower = rx_pwr_all; // // (3)EVM of HT rate // if(pdrvinfo->RxHT && pdrvinfo->RxRate>=DESC90_RATEMCS8 && pdrvinfo->RxRate<=DESC90_RATEMCS15) max_spatial_stream = 2; //both spatial stream make sense else max_spatial_stream = 1; //only spatial stream 1 makes sense for(i=0; irxevm_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; } //UI BSS List signal strength(in percentage), make it good looking, from 0~100. //It is assigned to the BSS List in GetValueFromBeaconOrProbeRsp(). if(is_cck_rate) { pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)pwdb_all));//PWDB_ALL; } else { //pRfd->Status.SignalStrength = pRecordRfd->Status.SignalStrength = (u1Byte)(SignalScaleMapping(total_rssi/=RF90_PATH_MAX));//(u1Byte)(total_rssi/=RF90_PATH_MAX); // We can judge RX path number now. if (rf_rx_num != 0) pstats->SignalStrength = precord_stats->SignalStrength = (u8)(rtl819x_signal_scale_mapping((long)(total_rssi/=rf_rx_num))); } } static void rtl8192_record_rxdesc_forlateruse( struct ieee80211_rx_stats * psrc_stats, struct ieee80211_rx_stats * ptarget_stats ) { ptarget_stats->bIsAMPDU = psrc_stats->bIsAMPDU; ptarget_stats->bFirstMPDU = psrc_stats->bFirstMPDU; } static void TranslateRxSignalStuff819xpci(struct r8192_priv *priv, struct sk_buff *skb, struct ieee80211_rx_stats * pstats, prx_desc_819x_pci pdesc, prx_fwinfo_819x_pci pdrvinfo) { // TODO: We must only check packet for current MAC address. Not finish bool bpacket_match_bssid, bpacket_toself; bool bPacketBeacon=false, bToSelfBA=false; struct ieee80211_hdr_3addr *hdr; u16 fc,type; // Get Signal Quality for only RX data queue (but not command queue) u8* tmp_buf; u8 *praddr; /* Get MAC frame start address. */ tmp_buf = skb->data; hdr = (struct ieee80211_hdr_3addr *)tmp_buf; fc = le16_to_cpu(hdr->frame_ctl); type = WLAN_FC_GET_TYPE(fc); praddr = hdr->addr1; /* Check if the received packet is acceptabe. */ bpacket_match_bssid = ((IEEE80211_FTYPE_CTL != type) && (!compare_ether_addr(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 & (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr)); if(WLAN_FC_GET_FRAMETYPE(fc)== IEEE80211_STYPE_BEACON) { bPacketBeacon = true; } if(WLAN_FC_GET_FRAMETYPE(fc) == IEEE80211_STYPE_BLOCKACK) { if (!compare_ether_addr(praddr, priv->ieee80211->dev->dev_addr)) bToSelfBA = true; } // // 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, &priv->previous_stats, pstats); rtl8192_query_rxphystatus(priv, pstats, pdesc, pdrvinfo, &priv->previous_stats, bpacket_match_bssid, bpacket_toself ,bPacketBeacon, bToSelfBA); rtl8192_record_rxdesc_forlateruse(pstats, &priv->previous_stats); } static void rtl8192_tx_resume(struct r8192_priv *priv) { struct ieee80211_device *ieee = priv->ieee80211; struct sk_buff *skb; int i; for (i = BK_QUEUE; i < TXCMD_QUEUE; i++) { while ((!skb_queue_empty(&ieee->skb_waitQ[i])) && (priv->ieee80211->check_nic_enough_desc(ieee, i) > 0)) { /* 1. dequeue the packet from the wait queue */ skb = skb_dequeue(&ieee->skb_waitQ[i]); /* 2. tx the packet directly */ ieee->softmac_data_hard_start_xmit(skb, ieee, 0); } } } static void rtl8192_irq_tx_tasklet(unsigned long arg) { struct r8192_priv *priv = (struct r8192_priv*) arg; struct rtl8192_tx_ring *mgnt_ring = &priv->tx_ring[MGNT_QUEUE]; unsigned long flags; /* check if we need to report that the management queue is drained */ spin_lock_irqsave(&priv->irq_th_lock, flags); if (!skb_queue_len(&mgnt_ring->queue) && priv->ieee80211->ack_tx_to_ieee && rtl8192_is_tx_queue_empty(priv->ieee80211)) { priv->ieee80211->ack_tx_to_ieee = 0; ieee80211_ps_tx_ack(priv->ieee80211, 1); } spin_unlock_irqrestore(&priv->irq_th_lock, flags); rtl8192_tx_resume(priv); } /* Record the received data rate */ static void UpdateReceivedRateHistogramStatistics8190( struct r8192_priv *priv, struct ieee80211_rx_stats* pstats ) { 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(pstats->bCRC) rcvType = 2; else if(pstats->bICV) rcvType = 3; if(pstats->bShortPreamble) preamble_guardinterval = 1;// short else preamble_guardinterval = 0;// long switch(pstats->rate) { // // CCK rate // case MGN_1M: rateIndex = 0; break; case MGN_2M: rateIndex = 1; break; case MGN_5_5M: rateIndex = 2; break; case MGN_11M: rateIndex = 3; break; // // Legacy OFDM rate // case MGN_6M: rateIndex = 4; break; case MGN_9M: rateIndex = 5; break; case MGN_12M: rateIndex = 6; break; case MGN_18M: rateIndex = 7; break; case MGN_24M: rateIndex = 8; break; case MGN_36M: rateIndex = 9; break; case MGN_48M: rateIndex = 10; break; case MGN_54M: rateIndex = 11; break; // // 11n High throughput rate // case MGN_MCS0: rateIndex = 12; break; case MGN_MCS1: rateIndex = 13; break; case MGN_MCS2: rateIndex = 14; break; case MGN_MCS3: rateIndex = 15; break; case MGN_MCS4: rateIndex = 16; break; case MGN_MCS5: rateIndex = 17; break; case MGN_MCS6: rateIndex = 18; break; case MGN_MCS7: rateIndex = 19; break; case MGN_MCS8: rateIndex = 20; break; case MGN_MCS9: rateIndex = 21; break; case MGN_MCS10: rateIndex = 22; break; case MGN_MCS11: rateIndex = 23; break; case MGN_MCS12: rateIndex = 24; break; case MGN_MCS13: rateIndex = 25; break; case MGN_MCS14: rateIndex = 26; break; case MGN_MCS15: rateIndex = 27; break; default: rateIndex = 28; break; } priv->stats.received_rate_histogram[0][rateIndex]++; //total priv->stats.received_rate_histogram[rcvType][rateIndex]++; } static void rtl8192_rx(struct r8192_priv *priv) { struct ieee80211_hdr_1addr *ieee80211_hdr = NULL; bool unicast_packet = false; struct ieee80211_rx_stats stats = { .signal = 0, .noise = -98, .rate = 0, .freq = IEEE80211_24GHZ_BAND, }; unsigned int count = priv->rxringcount; prx_fwinfo_819x_pci pDrvInfo = NULL; struct sk_buff *new_skb; while (count--) { rx_desc_819x_pci *pdesc = &priv->rx_ring[priv->rx_idx];//rx descriptor struct sk_buff *skb = priv->rx_buf[priv->rx_idx];//rx pkt if (pdesc->OWN) /* wait data to be filled by hardware */ return; stats.bICV = pdesc->ICV; stats.bCRC = pdesc->CRC32; stats.bHwError = pdesc->CRC32 | pdesc->ICV; stats.Length = pdesc->Length; if(stats.Length < 24) stats.bHwError |= 1; if(stats.bHwError) { stats.bShift = false; goto done; } pDrvInfo = NULL; new_skb = dev_alloc_skb(priv->rxbuffersize); if (unlikely(!new_skb)) goto done; stats.RxDrvInfoSize = pdesc->RxDrvInfoSize; stats.RxBufShift = ((pdesc->Shift)&0x03); stats.Decrypted = !pdesc->SWDec; pci_dma_sync_single_for_cpu(priv->pdev, *((dma_addr_t *)skb->cb), priv->rxbuffersize, PCI_DMA_FROMDEVICE); skb_put(skb, pdesc->Length); pDrvInfo = (rx_fwinfo_819x_pci *)(skb->data + stats.RxBufShift); skb_reserve(skb, stats.RxDrvInfoSize + stats.RxBufShift); stats.rate = HwRateToMRate90((bool)pDrvInfo->RxHT, (u8)pDrvInfo->RxRate); stats.bShortPreamble = pDrvInfo->SPLCP; /* it is debug only. It should be disabled in released driver. * 2007.1.11 by Emily * */ UpdateReceivedRateHistogramStatistics8190(priv, &stats); stats.bIsAMPDU = (pDrvInfo->PartAggr==1); stats.bFirstMPDU = (pDrvInfo->PartAggr==1) && (pDrvInfo->FirstAGGR==1); stats.TimeStampLow = pDrvInfo->TSFL; stats.TimeStampHigh = read_nic_dword(priv, TSFR+4); UpdateRxPktTimeStamp8190(priv, &stats); // // Get Total offset of MPDU Frame Body // if((stats.RxBufShift + stats.RxDrvInfoSize) > 0) stats.bShift = 1; /* ???? */ TranslateRxSignalStuff819xpci(priv, skb, &stats, pdesc, pDrvInfo); /* Rx A-MPDU */ if(pDrvInfo->FirstAGGR==1 || pDrvInfo->PartAggr == 1) RT_TRACE(COMP_RXDESC, "pDrvInfo->FirstAGGR = %d, pDrvInfo->PartAggr = %d\n", pDrvInfo->FirstAGGR, pDrvInfo->PartAggr); skb_trim(skb, skb->len - 4/*sCrcLng*/); /* rx packets statistics */ ieee80211_hdr = (struct ieee80211_hdr_1addr *)skb->data; unicast_packet = false; if(is_broadcast_ether_addr(ieee80211_hdr->addr1)) { //TODO }else if(is_multicast_ether_addr(ieee80211_hdr->addr1)){ //TODO }else { /* unicast packet */ unicast_packet = true; } if(!ieee80211_rtl_rx(priv->ieee80211, skb, &stats)){ dev_kfree_skb_any(skb); } else { priv->stats.rxok++; if(unicast_packet) { priv->stats.rxbytesunicast += skb->len; } } pci_unmap_single(priv->pdev, *((dma_addr_t *) skb->cb), priv->rxbuffersize, PCI_DMA_FROMDEVICE); skb = new_skb; priv->rx_buf[priv->rx_idx] = skb; *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE); done: pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb)); pdesc->OWN = 1; pdesc->Length = priv->rxbuffersize; if (priv->rx_idx == priv->rxringcount-1) pdesc->EOR = 1; priv->rx_idx = (priv->rx_idx + 1) % priv->rxringcount; } } static void rtl8192_irq_rx_tasklet(unsigned long arg) { struct r8192_priv *priv = (struct r8192_priv*) arg; rtl8192_rx(priv); /* unmask RDU */ write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) | IMR_RDU); } static const struct net_device_ops rtl8192_netdev_ops = { .ndo_open = rtl8192_open, .ndo_stop = rtl8192_close, .ndo_tx_timeout = tx_timeout, .ndo_do_ioctl = rtl8192_ioctl, .ndo_set_rx_mode = r8192_set_multicast, .ndo_set_mac_address = r8192_set_mac_adr, .ndo_start_xmit = ieee80211_rtl_xmit, }; static int __devinit rtl8192_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct net_device *dev = NULL; struct r8192_priv *priv= NULL; u8 unit = 0; int ret = -ENODEV; unsigned long pmem_start, pmem_len, pmem_flags; u8 revisionid; RT_TRACE(COMP_INIT,"Configuring chip resources\n"); if( pci_enable_device (pdev) ){ RT_TRACE(COMP_ERR,"Failed to enable PCI device"); return -EIO; } pci_set_master(pdev); //pci_set_wmi(pdev); pci_set_dma_mask(pdev, 0xffffff00ULL); pci_set_consistent_dma_mask(pdev,0xffffff00ULL); dev = alloc_ieee80211(sizeof(struct r8192_priv)); if (!dev) { ret = -ENOMEM; goto fail_free; } pci_set_drvdata(pdev, dev); SET_NETDEV_DEV(dev, &pdev->dev); priv = ieee80211_priv(dev); priv->ieee80211 = netdev_priv(dev); priv->pdev=pdev; if((pdev->subsystem_vendor == PCI_VENDOR_ID_DLINK)&&(pdev->subsystem_device == 0x3304)){ priv->ieee80211->bSupportRemoteWakeUp = 1; } else { priv->ieee80211->bSupportRemoteWakeUp = 0; } pmem_start = pci_resource_start(pdev, 1); pmem_len = pci_resource_len(pdev, 1); pmem_flags = pci_resource_flags (pdev, 1); if (!(pmem_flags & IORESOURCE_MEM)) { RT_TRACE(COMP_ERR, "region #1 not a MMIO resource, aborting\n"); goto fail; } //DMESG("Memory mapped space @ 0x%08lx ", pmem_start); if( ! request_mem_region(pmem_start, pmem_len, RTL819xE_MODULE_NAME)) { RT_TRACE(COMP_ERR,"request_mem_region failed!\n"); goto fail; } priv->mem_start = ioremap_nocache(pmem_start, pmem_len); if (!priv->mem_start) { RT_TRACE(COMP_ERR,"ioremap failed!\n"); goto fail1; } dev->mem_start = (unsigned long) priv->mem_start; dev->mem_end = (unsigned long) (priv->mem_start + pci_resource_len(pdev, 0)); /* We disable the RETRY_TIMEOUT register (0x41) to keep * PCI Tx retries from interfering with C3 CPU state */ pci_write_config_byte(pdev, 0x41, 0x00); pci_read_config_byte(pdev, 0x08, &revisionid); /* If the revisionid is 0x10, the device uses rtl8192se. */ if (pdev->device == 0x8192 && revisionid == 0x10) goto fail1; pci_read_config_byte(pdev, 0x05, &unit); pci_write_config_byte(pdev, 0x05, unit & (~0x04)); dev->irq = pdev->irq; priv->irq = 0; dev->netdev_ops = &rtl8192_netdev_ops; dev->wireless_handlers = &r8192_wx_handlers_def; dev->type=ARPHRD_ETHER; dev->watchdog_timeo = HZ*3; if (dev_alloc_name(dev, ifname) < 0){ RT_TRACE(COMP_INIT, "Oops: devname already taken! Trying wlan%%d...\n"); strcpy(ifname, "wlan%d"); dev_alloc_name(dev, ifname); } RT_TRACE(COMP_INIT, "Driver probe completed1\n"); if (rtl8192_init(priv)!=0) { RT_TRACE(COMP_ERR, "Initialization failed\n"); goto fail; } register_netdev(dev); RT_TRACE(COMP_INIT, "dev name=======> %s\n",dev->name); rtl8192_proc_init_one(priv); RT_TRACE(COMP_INIT, "Driver probe completed\n"); return 0; fail1: if (priv->mem_start) { iounmap(priv->mem_start); release_mem_region( pci_resource_start(pdev, 1), pci_resource_len(pdev, 1) ); } fail: if(dev){ if (priv->irq) { free_irq(priv->irq, priv); priv->irq = 0; } free_ieee80211(dev); } fail_free: pci_disable_device(pdev); DMESG("wlan driver load failed\n"); pci_set_drvdata(pdev, NULL); return ret; } /* detach all the work and timer structure declared or inititialized * in r8192_init function. * */ static void rtl8192_cancel_deferred_work(struct r8192_priv* priv) { /* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code * is or is newer than 2.6.20 and work structure is defined to be struct work_struct. * Otherwise call cancel_delayed_work is enough. * FIXME (2.6.20 should 2.6.22, work_struct should not cancel) * */ cancel_delayed_work(&priv->watch_dog_wq); cancel_delayed_work(&priv->update_beacon_wq); cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq); cancel_delayed_work(&priv->gpio_change_rf_wq); cancel_work_sync(&priv->reset_wq); cancel_work_sync(&priv->qos_activate); } static void __devexit rtl8192_pci_disconnect(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); struct r8192_priv *priv ; u32 i; if (dev) { unregister_netdev(dev); priv = ieee80211_priv(dev); rtl8192_proc_remove_one(priv); rtl8192_down(dev); if (priv->pFirmware) { vfree(priv->pFirmware); priv->pFirmware = NULL; } destroy_workqueue(priv->priv_wq); /* free tx/rx rings */ rtl8192_free_rx_ring(priv); for (i = 0; i < MAX_TX_QUEUE_COUNT; i++) rtl8192_free_tx_ring(priv, i); if (priv->irq) { printk("Freeing irq %d\n", priv->irq); free_irq(priv->irq, priv); priv->irq = 0; } if (priv->mem_start) { iounmap(priv->mem_start); release_mem_region( pci_resource_start(pdev, 1), pci_resource_len(pdev, 1) ); } free_ieee80211(dev); } pci_disable_device(pdev); RT_TRACE(COMP_DOWN, "wlan driver removed\n"); } extern int ieee80211_rtl_init(void); extern void ieee80211_rtl_exit(void); static int __init rtl8192_pci_module_init(void) { int retval; retval = ieee80211_rtl_init(); if (retval) return retval; printk(KERN_INFO "\nLinux kernel driver for RTL8192 based WLAN cards\n"); printk(KERN_INFO "Copyright (c) 2007-2008, Realsil Wlan\n"); RT_TRACE(COMP_INIT, "Initializing module\n"); rtl8192_proc_module_init(); if(0!=pci_register_driver(&rtl8192_pci_driver)) { DMESG("No device found"); /*pci_unregister_driver (&rtl8192_pci_driver);*/ return -ENODEV; } return 0; } static void __exit rtl8192_pci_module_exit(void) { pci_unregister_driver(&rtl8192_pci_driver); RT_TRACE(COMP_DOWN, "Exiting\n"); rtl8192_proc_module_remove(); ieee80211_rtl_exit(); } static irqreturn_t rtl8192_interrupt(int irq, void *param) { struct r8192_priv *priv = param; struct net_device *dev = priv->ieee80211->dev; unsigned long flags; u32 inta; irqreturn_t ret = IRQ_HANDLED; spin_lock_irqsave(&priv->irq_th_lock, flags); /* ISR: 4bytes */ inta = read_nic_dword(priv, ISR); /* & priv->IntrMask; */ write_nic_dword(priv, ISR, inta); /* reset int situation */ if (!inta) { /* * most probably we can safely return IRQ_NONE, * but for now is better to avoid problems */ goto out_unlock; } if (inta == 0xffff) { /* HW disappared */ goto out_unlock; } if (!netif_running(dev)) goto out_unlock; if (inta & IMR_TBDOK) { RT_TRACE(COMP_INTR, "beacon ok interrupt!\n"); rtl8192_tx_isr(priv, BEACON_QUEUE); priv->stats.txbeaconokint++; } if (inta & IMR_TBDER) { RT_TRACE(COMP_INTR, "beacon ok interrupt!\n"); rtl8192_tx_isr(priv, BEACON_QUEUE); priv->stats.txbeaconerr++; } if (inta & IMR_MGNTDOK ) { RT_TRACE(COMP_INTR, "Manage ok interrupt!\n"); priv->stats.txmanageokint++; rtl8192_tx_isr(priv, MGNT_QUEUE); } if (inta & IMR_COMDOK) { priv->stats.txcmdpktokint++; rtl8192_tx_isr(priv, TXCMD_QUEUE); } if (inta & IMR_ROK) { priv->stats.rxint++; tasklet_schedule(&priv->irq_rx_tasklet); } if (inta & IMR_BcnInt) { RT_TRACE(COMP_INTR, "prepare beacon for interrupt!\n"); tasklet_schedule(&priv->irq_prepare_beacon_tasklet); } if (inta & IMR_RDU) { RT_TRACE(COMP_INTR, "rx descriptor unavailable!\n"); priv->stats.rxrdu++; /* reset int situation */ write_nic_dword(priv, INTA_MASK, read_nic_dword(priv, INTA_MASK) & ~IMR_RDU); tasklet_schedule(&priv->irq_rx_tasklet); } if (inta & IMR_RXFOVW) { RT_TRACE(COMP_INTR, "rx overflow !\n"); priv->stats.rxoverflow++; tasklet_schedule(&priv->irq_rx_tasklet); } if (inta & IMR_TXFOVW) priv->stats.txoverflow++; if (inta & IMR_BKDOK) { RT_TRACE(COMP_INTR, "BK Tx OK interrupt!\n"); priv->stats.txbkokint++; priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; rtl8192_tx_isr(priv, BK_QUEUE); } if (inta & IMR_BEDOK) { RT_TRACE(COMP_INTR, "BE TX OK interrupt!\n"); priv->stats.txbeokint++; priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; rtl8192_tx_isr(priv, BE_QUEUE); } if (inta & IMR_VIDOK) { RT_TRACE(COMP_INTR, "VI TX OK interrupt!\n"); priv->stats.txviokint++; priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; rtl8192_tx_isr(priv, VI_QUEUE); } if (inta & IMR_VODOK) { priv->stats.txvookint++; priv->ieee80211->LinkDetectInfo.NumTxOkInPeriod++; rtl8192_tx_isr(priv, VO_QUEUE); } out_unlock: spin_unlock_irqrestore(&priv->irq_th_lock, flags); return ret; } void EnableHWSecurityConfig8192(struct r8192_priv *priv) { u8 SECR_value = 0x0; 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(priv, SECR, SECR_value);//SECR_value | SCR_UseDK ); } } #define TOTAL_CAM_ENTRY 32 //#define CAM_CONTENT_COUNT 8 void setKey(struct r8192_priv *priv, u8 EntryNo, u8 KeyIndex, u16 KeyType, const u8 *MacAddr, u8 DefaultKey, u32 *KeyContent) { u32 TargetCommand = 0; u32 TargetContent = 0; u16 usConfig = 0; u8 i; #ifdef ENABLE_IPS RT_RF_POWER_STATE rtState; rtState = priv->eRFPowerState; if (priv->PowerSaveControl.bInactivePs){ if(rtState == eRfOff){ if(priv->RfOffReason > RF_CHANGE_BY_IPS) { RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__); //up(&priv->wx_sem); return ; } else{ down(&priv->ieee80211->ips_sem); IPSLeave(priv); up(&priv->ieee80211->ips_sem); } } } priv->ieee80211->is_set_key = true; #endif if (EntryNo >= TOTAL_CAM_ENTRY) RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n"); RT_TRACE(COMP_SEC, "====>to setKey(), priv:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", priv, EntryNo, KeyIndex, KeyType, MacAddr); if (DefaultKey) usConfig |= BIT15 | (KeyType<<2); else usConfig |= BIT15 | (KeyType<<2) | KeyIndex; // usConfig |= BIT15 | (KeyType<<2) | (DefaultKey<<5) | KeyIndex; for(i=0 ; iafter set key, usconfig:%x\n", usConfig); } bool NicIFEnableNIC(struct r8192_priv *priv) { RT_STATUS init_status = RT_STATUS_SUCCESS; PRT_POWER_SAVE_CONTROL pPSC = &priv->PowerSaveControl; //YJ,add,091109 if (priv->up == 0){ RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__); priv->bdisable_nic = false; //YJ,add,091111 return false; } // <1> Reset memory: descriptor, buffer,.. //NicIFResetMemory(Adapter); // <2> Enable Adapter //priv->bfirst_init = true; init_status = rtl8192_adapter_start(priv); if (init_status != RT_STATUS_SUCCESS) { RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__); priv->bdisable_nic = false; //YJ,add,091111 return -1; } RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC); //priv->bfirst_init = false; // <3> Enable Interrupt rtl8192_irq_enable(priv); priv->bdisable_nic = false; return (init_status == RT_STATUS_SUCCESS); } bool NicIFDisableNIC(struct r8192_priv *priv) { bool status = true; u8 tmp_state = 0; // <1> Disable Interrupt priv->bdisable_nic = true; //YJ,move,091109 tmp_state = priv->ieee80211->state; ieee80211_softmac_stop_protocol(priv->ieee80211, false); priv->ieee80211->state = tmp_state; rtl8192_cancel_deferred_work(priv); rtl8192_irq_disable(priv); // <2> Stop all timer // <3> Disable Adapter rtl8192_halt_adapter(priv, false); // priv->bdisable_nic = true; return status; } module_init(rtl8192_pci_module_init); module_exit(rtl8192_pci_module_exit);