diff options
Diffstat (limited to 'drivers/staging/rtl8192e/r8192E_core.c')
| -rw-r--r-- | drivers/staging/rtl8192e/r8192E_core.c | 5039 |
1 files changed, 0 insertions, 5039 deletions
diff --git a/drivers/staging/rtl8192e/r8192E_core.c b/drivers/staging/rtl8192e/r8192E_core.c deleted file mode 100644 index 94d9c8d5d090..000000000000 --- a/drivers/staging/rtl8192e/r8192E_core.c +++ /dev/null @@ -1,5039 +0,0 @@ -/****************************************************************************** - * 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 <andreamrl@tiscali.it>, et al. - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - * Contact Information: - * Jerry chuang <wlanfae@realtek.com> - */ - - -#include <linux/vmalloc.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/hardirq.h> -#include <asm/uaccess.h> -#include "r8192E_hw.h" -#include "r8192E.h" -#include "r8190_rtl8256.h" /* RTL8225 Radio frontend */ -#include "r8180_93cx6.h" /* Card EEPROM */ -#include "r8192E_wx.h" -#include "r819xE_phy.h" //added by WB 4.30.2008 -#include "r819xE_phyreg.h" -#include "r819xE_cmdpkt.h" -#include "r8192E_dm.h" - -#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 <andreamrl@tiscali.it>"); -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<ChannelPlan[channel_plan].Len;i++) - { - if (ChannelPlan[channel_plan].Channel[i] < min_chan || ChannelPlan[channel_plan].Channel[i] > max_chan) - break; - GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1; - } - } - break; - } - case COUNTRY_CODE_GLOBAL_DOMAIN: - { - GET_DOT11D_INFO(ieee)->bEnabled = 0; //this flag enabled to follow 11d country IE setting, otherwise, it shall follow global domain setting - Dot11d_Reset(ieee); - ieee->bGlobalDomain = true; - break; - } - default: - break; - } -} -#endif - -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<<MSR_LINK_SHIFT); - else if (priv->ieee80211->iw_mode == IW_MODE_ADHOC) - msr |= (MSR_LINK_ADHOC<<MSR_LINK_SHIFT); - else if (priv->ieee80211->iw_mode == IW_MODE_MASTER) - msr |= (MSR_LINK_MASTER<<MSR_LINK_SHIFT); - - }else - msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT); - - write_nic_byte(priv, MSR, msr); -} - -static void rtl8192_set_chan(struct ieee80211_device *ieee80211, short ch) -{ - struct r8192_priv *priv = ieee80211_priv(ieee80211->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; i<net->rates_len; i++) - { - basic_rate = net->rates[i]&0x7f; - switch(basic_rate) - { - case MGN_1M: *rate_config |= RRSR_1M; break; - case MGN_2M: *rate_config |= RRSR_2M; break; - case MGN_5_5M: *rate_config |= RRSR_5_5M; break; - case MGN_11M: *rate_config |= RRSR_11M; break; - case MGN_6M: *rate_config |= RRSR_6M; break; - case MGN_9M: *rate_config |= RRSR_9M; break; - case MGN_12M: *rate_config |= RRSR_12M; break; - case MGN_18M: *rate_config |= RRSR_18M; break; - case MGN_24M: *rate_config |= RRSR_24M; break; - case MGN_36M: *rate_config |= RRSR_36M; break; - case MGN_48M: *rate_config |= RRSR_48M; break; - case MGN_54M: *rate_config |= RRSR_54M; break; - } - } - for (i=0; i<net->rates_ex_len; i++) - { - basic_rate = net->rates_ex[i]&0x7f; - switch(basic_rate) - { - case MGN_1M: *rate_config |= RRSR_1M; break; - case MGN_2M: *rate_config |= RRSR_2M; break; - case MGN_5_5M: *rate_config |= RRSR_5_5M; break; - case MGN_11M: *rate_config |= RRSR_11M; break; - case MGN_6M: *rate_config |= RRSR_6M; break; - case MGN_9M: *rate_config |= RRSR_9M; break; - case MGN_12M: *rate_config |= RRSR_12M; break; - case MGN_18M: *rate_config |= RRSR_18M; break; - case MGN_24M: *rate_config |= RRSR_24M; break; - case MGN_36M: *rate_config |= RRSR_36M; break; - case MGN_48M: *rate_config |= RRSR_48M; break; - case MGN_54M: *rate_config |= RRSR_54M; break; - } - } -} - - -#define SHORT_SLOT_TIME 9 -#define NON_SHORT_SLOT_TIME 20 - -static void rtl8192_update_cap(struct 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<<BCN_TCFG_CW_SHIFT); - /* TODO: BcnIFS may required to be changed on ASIC */ - BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS; - write_nic_word(priv, BCN_TCFG, BcnTimeCfg); - } -} - -static void rtl819xE_tx_cmd(struct r8192_priv *priv, struct sk_buff *skb) -{ - struct rtl8192_tx_ring *ring; - tx_desc_819x_pci *entry; - unsigned int idx; - dma_addr_t mapping; - cb_desc *tcb_desc; - unsigned long flags; - - ring = &priv->tx_ring[TXCMD_QUEUE]; - mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); - - spin_lock_irqsave(&priv->irq_th_lock,flags); - idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries; - entry = &ring->desc[idx]; - - tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE); - memset(entry,0,12); - entry->LINIP = tcb_desc->bLastIniPkt; - entry->FirstSeg = 1;//first segment - entry->LastSeg = 1; //last segment - if(tcb_desc->bCmdOrInit == DESC_PACKET_TYPE_INIT) { - entry->CmdInit = DESC_PACKET_TYPE_INIT; - } else { - entry->CmdInit = DESC_PACKET_TYPE_NORMAL; - entry->Offset = sizeof(TX_FWINFO_8190PCI) + 8; - entry->PktSize = (u16)(tcb_desc->pkt_size + entry->Offset); - entry->QueueSelect = QSLT_CMD; - entry->TxFWInfoSize = 0x08; - entry->RATid = (u8)DESC_PACKET_TYPE_INIT; - } - entry->TxBufferSize = skb->len; - entry->TxBuffAddr = cpu_to_le32(mapping); - entry->OWN = 1; - - __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<<tcb_desc->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)))|| - ((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(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<<RCR_MXDMA_OFFSET) | - ((u32)7 << RCR_FIFO_OFFSET) | RCR_ONLYERLPKT; - - priv->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<<MXDMA2_RX_SHIFT) | - (MXDMA2_NoLimit<<MXDMA2_TX_SHIFT) )); - - //set IDR0 here - write_nic_dword(priv, MAC0, ((u32*)dev->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 <<RSVD_FW_QUEUE_PAGE_VO_SHIFT); - write_nic_dword(priv, RQPN2, NUM_OF_PAGE_IN_FW_QUEUE_MGNT << RSVD_FW_QUEUE_PAGE_MGNT_SHIFT); - write_nic_dword(priv, RQPN3, APPLIED_RESERVED_QUEUE_IN_FW| - NUM_OF_PAGE_IN_FW_QUEUE_BCN<<RSVD_FW_QUEUE_PAGE_BCN_SHIFT| - NUM_OF_PAGE_IN_FW_QUEUE_PUB<<RSVD_FW_QUEUE_PAGE_PUB_SHIFT); - - rtl8192_tx_enable(priv); - rtl8192_rx_enable(priv); - //3Set Response Rate Setting Register - // CCK rate is supported by default. - // CCK rate will be filtered out only when associated AP does not support it. - ulRegRead = (0xFFF00000 & read_nic_dword(priv, RRSR)) | RATE_ALL_OFDM_AG | RATE_ALL_CCK; - write_nic_dword(priv, RRSR, ulRegRead); - write_nic_dword(priv, RATR0+4*7, (RATE_ALL_OFDM_AG | RATE_ALL_CCK)); - - //2Set AckTimeout - // TODO: (it value is only for FPGA version). need to be changed!!2006.12.18, by Emily - write_nic_byte(priv, ACK_TIMEOUT, 0x30); - - if(priv->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; i<QOS_QUEUE_NUM; i++) - write_nic_dword(priv, WDCAPARA_ADD[i], 0x005e4332); - // - // Switching regulator controller: This is set temporarily. - // It's not sure if this can be removed in the future. - // PJ advised to leave it by default. - // - write_nic_byte(priv, 0xbe, 0xc0); - - //2======================================================= - // Set PHY related configuration defined in MAC register bank - //2======================================================= - rtl8192_phy_configmac(priv); - - if (priv->card_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; i<TxBBGainTableLength; i++) - { - if(tmpRegA == priv->txbbgain_table[i].txbbgain_value) - { - priv->rfa_txpowertrackingindex= (u8)i; - priv->rfa_txpowertrackingindex_real= (u8)i; - priv->rfa_txpowertracking_default = priv->rfa_txpowertrackingindex; - break; - } - } - - TempCCk = rtl8192_QueryBBReg(priv, rCCK0_TxFilter1, bMaskByte2); - - for(i=0 ; i<CCKTxBBGainTableLength ; i++) - { - if(TempCCk == priv->cck_txbbgain_table[i].ccktxbb_valuearray[0]) - { - priv->CCKPresentAttentuation_20Mdefault =(u8) i; - break; - } - } - priv->CCKPresentAttentuation_40Mdefault = 0; - priv->CCKPresentAttentuation_difference = 0; - priv->CCKPresentAttentuation = priv->CCKPresentAttentuation_20Mdefault; - RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_initial = %d\n", priv->rfa_txpowertrackingindex); - RT_TRACE(COMP_POWER_TRACKING, "priv->rfa_txpowertrackingindex_real__initial = %d\n", priv->rfa_txpowertrackingindex_real); - RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_difference_initial = %d\n", priv->CCKPresentAttentuation_difference); - RT_TRACE(COMP_POWER_TRACKING, "priv->CCKPresentAttentuation_initial = %d\n", priv->CCKPresentAttentuation); - priv->btxpower_tracking = FALSE;//TEMPLY DISABLE - } - } - - 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<<BCN_TCFG_CW_SHIFT; - BcnTimeCfg |= BcnIFS<<BCN_TCFG_IFS; - write_nic_word(priv, BCN_TCFG, BcnTimeCfg); - - - /* enable the interrupt for ad-hoc process */ - rtl8192_irq_enable(priv); -} - -static bool HalRxCheckStuck8190Pci(struct r8192_priv *priv) -{ - u16 RegRxCounter = read_nic_word(priv, 0x130); - bool bStuck = FALSE; - - RT_TRACE(COMP_RESET,"%s(): RegRxCounter is %d,RxCounter is %d\n",__FUNCTION__,RegRxCounter,priv->RxCounter); - // If rssi is small, we should check rx for long time because of bad rx. - // or maybe it will continuous silent reset every 2 seconds. - 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_pwdb<RateAdaptiveTH_Low_40M) || - (priv->CurrentChannelBW==HT_CHANNEL_WIDTH_20&&priv->undecorated_smoothed_pwdb<RateAdaptiveTH_Low_20M)) && - priv->undecorated_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; - } - - // - // <RJ_NOTE> 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; i<priv->ieee80211->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; i<RF90_PATH_MAX; i++) - { - // 2008/01/30 MH we will judge RF RX path now. - if (priv->brfpath_rxenable[i]) - rf_rx_num++; - //else - //continue; - - //Fixed by Jacken from Bryant 2008-03-20 - //Original value is 106 - 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; i<max_spatial_stream; i++) - { - tmp_rxevm = pofdm_buf->rxevm_X[i]; - rx_evmX = (char)(tmp_rxevm); - - // Do not use shift operation like "rx_evmX >>= 1" because the compilor of free build environment - // fill most significant bit to "zero" when doing shifting operation which may change a negative - // value to positive one, then the dbm value (which is supposed to be negative) is not correct anymore. - rx_evmX /= 2; //dbm - - evm = rtl819x_evm_dbtopercentage(rx_evmX); - if(bpacket_match_bssid) - { - if(i==0) // Fill value in RFD, Get the first spatial stream only - pstats->SignalQuality = precord_stats->SignalQuality = (u8)(evm & 0xff); - pstats->RxMIMOSignalQuality[i] = precord_stats->RxMIMOSignalQuality[i] = (u8)(evm & 0xff); - } - } - - - /* record rx statistics for debug */ - rxsc_sgien_exflg = pofdm_buf->rxsc_sgien_exflg; - prxsc = (phy_ofdm_rx_status_rxsc_sgien_exintfflag *)&rxsc_sgien_exflg; - } - - //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_multicast_list = 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 ; i<CAM_CONTENT_COUNT; i++){ - TargetCommand = i+CAM_CONTENT_COUNT*EntryNo; - TargetCommand |= BIT31|BIT16; - - if(i==0){//MAC|Config - TargetContent = (u32)(*(MacAddr+0)) << 16| - (u32)(*(MacAddr+1)) << 24| - (u32)usConfig; - - write_nic_dword(priv, WCAMI, TargetContent); - write_nic_dword(priv, RWCAM, TargetCommand); - } - else if(i==1){//MAC - TargetContent = (u32)(*(MacAddr+2)) | - (u32)(*(MacAddr+3)) << 8| - (u32)(*(MacAddr+4)) << 16| - (u32)(*(MacAddr+5)) << 24; - write_nic_dword(priv, WCAMI, TargetContent); - write_nic_dword(priv, RWCAM, TargetCommand); - } - else { //Key Material - if(KeyContent != NULL) - { - write_nic_dword(priv, WCAMI, (u32)(*(KeyContent+i-2)) ); - write_nic_dword(priv, RWCAM, TargetCommand); - } - } - } - RT_TRACE(COMP_SEC,"=========>after 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); |