diff options
Diffstat (limited to 'drivers/staging/rtl8187se/r8180_core.c')
| -rw-r--r-- | drivers/staging/rtl8187se/r8180_core.c | 6828 |
1 files changed, 6828 insertions, 0 deletions
diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c new file mode 100644 index 000000000000..94534955e38b --- /dev/null +++ b/drivers/staging/rtl8187se/r8180_core.c @@ -0,0 +1,6828 @@ +/* + This is part of rtl818x pci OpenSource driver - v 0.1 + Copyright (C) Andrea Merello 2004-2005 <andreamrl@tiscali.it> + Released under the terms of GPL (General Public License) + + Parts of this driver are based on the GPL part of the official + Realtek driver. + + Parts of this driver are based on the rtl8180 driver skeleton + from Patric Schenke & Andres Salomon. + + Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver. + + Parts of BB/RF code are derived from David Young rtl8180 netbsd driver. + + RSSI calc function from 'The Deuce' + + Some ideas borrowed from the 8139too.c driver included in linux kernel. + + We (I?) want to thanks the Authors of those projecs and also the + Ndiswrapper's project Authors. + + A big big thanks goes also to Realtek corp. for their help in my attempt to + add RTL8185 and RTL8225 support, and to David Young also. +*/ + +#if 0 +double __floatsidf (int i) { return i; } +unsigned int __fixunsdfsi (double d) { return d; } +double __adddf3(double a, double b) { return a+b; } +double __addsf3(float a, float b) { return a+b; } +double __subdf3(double a, double b) { return a-b; } +double __extendsfdf2(float a) {return a;} +#endif + + +#undef DEBUG_TX_DESC2 +#undef RX_DONT_PASS_UL +#undef DEBUG_EPROM +#undef DEBUG_RX_VERBOSE +#undef DUMMY_RX +#undef DEBUG_ZERO_RX +#undef DEBUG_RX_SKB +#undef DEBUG_TX_FRAG +#undef DEBUG_RX_FRAG +#undef DEBUG_TX_FILLDESC +#undef DEBUG_TX +#undef DEBUG_IRQ +#undef DEBUG_RX +#undef DEBUG_RXALLOC +#undef DEBUG_REGISTERS +#undef DEBUG_RING +#undef DEBUG_IRQ_TASKLET +#undef DEBUG_TX_ALLOC +#undef DEBUG_TX_DESC + +//#define DEBUG_TX +//#define DEBUG_TX_DESC2 +//#define DEBUG_RX +//#define DEBUG_RX_SKB + +//#define CONFIG_RTL8180_IO_MAP +#include <linux/syscalls.h> +//#include <linux/fcntl.h> +//#include <asm/uaccess.h> +#include "r8180_hw.h" +#include "r8180.h" +#include "r8180_sa2400.h" /* PHILIPS Radio frontend */ +#include "r8180_max2820.h" /* MAXIM Radio frontend */ +#include "r8180_gct.h" /* GCT Radio frontend */ +#include "r8180_rtl8225.h" /* RTL8225 Radio frontend */ +#include "r8180_rtl8255.h" /* RTL8255 Radio frontend */ +#include "r8180_93cx6.h" /* Card EEPROM */ +#include "r8180_wx.h" +#include "r8180_dm.h" + +#ifdef CONFIG_RTL8180_PM +#include "r8180_pm.h" +#endif + +#ifdef ENABLE_DOT11D +#include "dot11d.h" +#endif + +#ifdef CONFIG_RTL8185B +//#define CONFIG_RTL8180_IO_MAP +#endif + +#ifndef PCI_VENDOR_ID_BELKIN + #define PCI_VENDOR_ID_BELKIN 0x1799 +#endif +#ifndef PCI_VENDOR_ID_DLINK + #define PCI_VENDOR_ID_DLINK 0x1186 +#endif + +static struct pci_device_id rtl8180_pci_id_tbl[] __devinitdata = { + { + .vendor = PCI_VENDOR_ID_REALTEK, +// .device = 0x8180, + .device = 0x8199, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = 0, + }, +#if 0 + { + .vendor = PCI_VENDOR_ID_BELKIN, + .device = 0x6001, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = 1, + }, + { /* Belkin F5D6020 v3 */ + .vendor = PCI_VENDOR_ID_BELKIN, + .device = 0x6020, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = 2, + }, + { /* D-Link DWL-610 */ + .vendor = PCI_VENDOR_ID_DLINK, + .device = 0x3300, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = 3, + }, + { + .vendor = PCI_VENDOR_ID_REALTEK, + .device = 0x8185, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = 4, + }, +#endif + { + .vendor = 0, + .device = 0, + .subvendor = 0, + .subdevice = 0, + .driver_data = 0, + } +}; + + +static char* ifname = "wlan%d"; +static int hwseqnum = 0; +//static char* ifname = "ath%d"; +static int hwwep = 0; +static int channels = 0x3fff; + +#define eqMacAddr(a,b) ( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 ) +#define cpMacAddr(des,src) ((des)[0]=(src)[0],(des)[1]=(src)[1],(des)[2]=(src)[2],(des)[3]=(src)[3],(des)[4]=(src)[4],(des)[5]=(src)[5]) +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(pci, rtl8180_pci_id_tbl); +MODULE_AUTHOR("Andrea Merello <andreamrl@tiscali.it>"); +MODULE_DESCRIPTION("Linux driver for Realtek RTL8180 / RTL8185 WiFi cards"); + + + +/* +MODULE_PARM(ifname, "s"); +MODULE_PARM_DESC(devname," Net interface name, wlan%d=default"); + +MODULE_PARM(hwseqnum,"i"); +MODULE_PARM_DESC(hwseqnum," Try to use hardware 802.11 header sequence numbers. Zero=default"); + +MODULE_PARM(hwwep,"i"); +MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards"); + +MODULE_PARM(channels,"i"); +MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI"); +*/ + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 9) +module_param(ifname, charp, S_IRUGO|S_IWUSR ); +module_param(hwseqnum,int, S_IRUGO|S_IWUSR); +module_param(hwwep,int, S_IRUGO|S_IWUSR); +module_param(channels,int, S_IRUGO|S_IWUSR); +#else +MODULE_PARM(ifname, "s"); +MODULE_PARM(hwseqnum,"i"); +MODULE_PARM(hwwep,"i"); +MODULE_PARM(channels,"i"); +#endif + +MODULE_PARM_DESC(devname," Net interface name, wlan%d=default"); +//MODULE_PARM_DESC(devname," Net interface name, ath%d=default"); +MODULE_PARM_DESC(hwseqnum," Try to use hardware 802.11 header sequence numbers. Zero=default"); +MODULE_PARM_DESC(hwwep," Try to use hardware WEP support. Still broken and not available on all cards"); +MODULE_PARM_DESC(channels," Channel bitmask for specific locales. NYI"); + + +static int __devinit rtl8180_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *id); + +static void __devexit rtl8180_pci_remove(struct pci_dev *pdev); + +static void rtl8180_shutdown (struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + dev->stop(dev); + pci_disable_device(pdev); +} + +static struct pci_driver rtl8180_pci_driver = { + .name = RTL8180_MODULE_NAME, /* Driver name */ + .id_table = rtl8180_pci_id_tbl, /* PCI_ID table */ + .probe = rtl8180_pci_probe, /* probe fn */ + .remove = __devexit_p(rtl8180_pci_remove),/* remove fn */ +#ifdef CONFIG_RTL8180_PM + .suspend = rtl8180_suspend, /* PM suspend fn */ + .resume = rtl8180_resume, /* PM resume fn */ +#else + .suspend = NULL, /* PM suspend fn */ + .resume = NULL, /* PM resume fn */ +#endif + .shutdown = rtl8180_shutdown, +}; + + + +#ifdef CONFIG_RTL8180_IO_MAP + +u8 read_nic_byte(struct net_device *dev, int x) +{ + return 0xff&inb(dev->base_addr +x); +} + +u32 read_nic_dword(struct net_device *dev, int x) +{ + return inl(dev->base_addr +x); +} + +u16 read_nic_word(struct net_device *dev, int x) +{ + return inw(dev->base_addr +x); +} + +void write_nic_byte(struct net_device *dev, int x,u8 y) +{ + outb(y&0xff,dev->base_addr +x); +} + +void write_nic_word(struct net_device *dev, int x,u16 y) +{ + outw(y,dev->base_addr +x); +} + +void write_nic_dword(struct net_device *dev, int x,u32 y) +{ + outl(y,dev->base_addr +x); +} + +#else /* RTL_IO_MAP */ + +u8 read_nic_byte(struct net_device *dev, int x) +{ + return 0xff&readb((u8*)dev->mem_start +x); +} + +u32 read_nic_dword(struct net_device *dev, int x) +{ + return readl((u8*)dev->mem_start +x); +} + +u16 read_nic_word(struct net_device *dev, int x) +{ + return readw((u8*)dev->mem_start +x); +} + +void write_nic_byte(struct net_device *dev, int x,u8 y) +{ + writeb(y,(u8*)dev->mem_start +x); + udelay(20); +} + +void write_nic_dword(struct net_device *dev, int x,u32 y) +{ + writel(y,(u8*)dev->mem_start +x); + udelay(20); +} + +void write_nic_word(struct net_device *dev, int x,u16 y) +{ + writew(y,(u8*)dev->mem_start +x); + udelay(20); +} + +#endif /* RTL_IO_MAP */ + + + + + +inline void force_pci_posting(struct net_device *dev) +{ + read_nic_byte(dev,EPROM_CMD); +#ifndef CONFIG_RTL8180_IO_MAP + mb(); +#endif +} + + +irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs); +void set_nic_rxring(struct net_device *dev); +void set_nic_txring(struct net_device *dev); +static struct net_device_stats *rtl8180_stats(struct net_device *dev); +void rtl8180_commit(struct net_device *dev); +void rtl8180_start_tx_beacon(struct net_device *dev); + +/**************************************************************************** + -----------------------------PROCFS STUFF------------------------- +*****************************************************************************/ + +static struct proc_dir_entry *rtl8180_proc = NULL; + +static int proc_get_registers(char *page, char **start, + off_t offset, int count, + int *eof, void *data) +{ + struct net_device *dev = data; +// struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + int len = 0; + int i,n; + + int max=0xff; + + /* This dump the current register page */ + for(n=0;n<=max;) + { + //printk( "\nD: %2x> ", n); + len += snprintf(page + len, count - len, + "\nD: %2x > ",n); + + for(i=0;i<16 && n<=max;i++,n++) + len += snprintf(page + len, count - len, + "%2x ",read_nic_byte(dev,n)); + + // printk("%2x ",read_nic_byte(dev,n)); + } + len += snprintf(page + len, count - len,"\n"); + + + + *eof = 1; + return len; + +} + +int get_curr_tx_free_desc(struct net_device *dev, int priority); + +static int proc_get_stats_hw(char *page, char **start, + off_t offset, int count, + int *eof, void *data) +{ + //struct net_device *dev = data; + //struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + int len = 0; +#ifdef CONFIG_RTL8185B + +#else + len += snprintf(page + len, count - len, + "NIC int: %lu\n" + "Total int: %lu\n" + "--------------------\n" + "LP avail desc %d\n" + "NP avail desc %d\n" + "--------------------\n" + "LP phys dma addr %x\n" + "LP NIC ptr %x\n" + "LP virt 32base %x\n" + "LP virt 32tail %x\n" + "--------------------\n" + "NP phys dma addr %x\n" + "NP NIC ptr %x\n" + "NP virt 32base %x\n" + "NP virt 32tail %x\n" + "--------------------\n" + "BP phys dma addr %x\n" + "BP NIC ptr %x\n" + "BP virt 32base %x\n" + "BP virt 32tail %x\n", + priv->stats.ints, + priv->stats.shints, + get_curr_tx_free_desc(dev,LOW_PRIORITY), + get_curr_tx_free_desc(dev,NORM_PRIORITY), + (u32)priv->txvipringdma, + read_nic_dword(dev,TLPDA), + (u32)priv->txvipring, + (u32)priv->txvipringtail, + (u32)priv->txvopringdma, + read_nic_dword(dev,TNPDA), + (u32)priv->txvopring, + (u32)priv->txvopringtail, + (u32)priv->txbeaconringdma, + read_nic_dword(dev,TBDA), + (u32)priv->txbeaconring, + (u32)priv->txbeaconringtail); +#endif + *eof = 1; + return len; +} + + +static int proc_get_stats_rx(char *page, char **start, + off_t offset, int count, + int *eof, void *data) +{ + struct net_device *dev = data; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + int len = 0; + + len += snprintf(page + len, count - len, + /* "RX descriptor not available: %lu\n" + "RX incomplete (missing last descriptor): %lu\n" + "RX not data: %lu\n" + //"RX descriptor pointer reset: %lu\n" + "RX descriptor pointer lost: %lu\n" + //"RX pointer workaround: %lu\n" + "RX error int: %lu\n" + "RX fifo overflow: %lu\n" + "RX int: %lu\n" + "RX packet: %lu\n" + "RX bytes: %lu\n" + "RX DMA fail: %lu\n", + priv->stats.rxrdu, + priv->stats.rxnolast, + priv->stats.rxnodata, + //priv->stats.rxreset, + priv->stats.rxnopointer, + //priv->stats.rxwrkaround, + priv->stats.rxerr, + priv->stats.rxoverflow, + priv->stats.rxint, + priv->ieee80211->stats.rx_packets, + priv->ieee80211->stats.rx_bytes, + priv->stats.rxdmafail */ + "RX OK: %lu\n" + "RX Retry: %lu\n" + "RX CRC Error(0-500): %lu\n" + "RX CRC Error(500-1000): %lu\n" + "RX CRC Error(>1000): %lu\n" + "RX ICV Error: %lu\n", + priv->stats.rxint, + priv->stats.rxerr, + priv->stats.rxcrcerrmin, + priv->stats.rxcrcerrmid, + priv->stats.rxcrcerrmax, + priv->stats.rxicverr + ); + + *eof = 1; + return len; +} + +#if 0 +static int proc_get_stats_ieee(char *page, char **start, + off_t offset, int count, + int *eof, void *data) +{ + struct net_device *dev = data; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + int len = 0; + + len += snprintf(page + len, count - len, + "TXed association requests: %u\n" + "TXed authentication requests: %u\n" + "RXed successful association response: %u\n" + "RXed failed association response: %u\n" + "RXed successful authentication response: %u\n" + "RXed failed authentication response: %u\n" + "Association requests without response: %u\n" + "Authentication requests without response: %u\n" + "TX probe response: %u\n" + "RX probe request: %u\n" + "TX probe request: %lu\n" + "RX authentication requests: %lu\n" + "RX association requests: %lu\n" + "Reassociations: %lu\n", + priv->ieee80211->ieee_stats.tx_ass, + priv->ieee80211->ieee_stats.tx_aut, + priv->ieee80211->ieee_stats.rx_ass_ok, + priv->ieee80211->ieee_stats.rx_ass_err, + priv->ieee80211->ieee_stats.rx_aut_ok, + priv->ieee80211->ieee_stats.rx_aut_err, + priv->ieee80211->ieee_stats.ass_noresp, + priv->ieee80211->ieee_stats.aut_noresp, + priv->ieee80211->ieee_stats.tx_probe, + priv->ieee80211->ieee_stats.rx_probe, + priv->ieee80211->ieee_stats.tx_probe_rq, + priv->ieee80211->ieee_stats.rx_auth_rq, + priv->ieee80211->ieee_stats.rx_assoc_rq, + priv->ieee80211->ieee_stats.reassoc); + + *eof = 1; + return len; +} +#endif +#if 0 +static int proc_get_stats_ap(char *page, char **start, + off_t offset, int count, + int *eof, void *data) +{ + struct net_device *dev = data; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + struct mac_htable_t *list; + int i; + int len = 0; + + if(priv->ieee80211->iw_mode != IW_MODE_MASTER){ + len += snprintf(page + len, count - len, + "Card is not acting as AP...\n" + ); + }else{ + len += snprintf(page + len, count - len, + "List of associated STA:\n" + ); + + for(i=0;i<MAC_HTABLE_ENTRY;i++) + for (list = priv->ieee80211->assoc_htable[i]; list!=NULL; list = list->next){ + len += snprintf(page + len, count - len, + MACSTR"\n",MAC2STR(list->adr)); + } + + } + *eof = 1; + return len; +} +#endif + +static int proc_get_stats_tx(char *page, char **start, + off_t offset, int count, + int *eof, void *data) +{ + struct net_device *dev = data; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + int len = 0; + unsigned long totalOK; + + totalOK=priv->stats.txnpokint+priv->stats.txhpokint+priv->stats.txlpokint; + len += snprintf(page + len, count - len, + /* "TX normal priority ok int: %lu\n" + "TX normal priority error int: %lu\n" + "TX high priority ok int: %lu\n" + "TX high priority failed error int: %lu\n" + "TX low priority ok int: %lu\n" + "TX low priority failed error int: %lu\n" + "TX bytes: %lu\n" + "TX packets: %lu\n" + "TX queue resume: %lu\n" + "TX queue stopped?: %d\n" + "TX fifo overflow: %lu\n" + //"SW TX stop: %lu\n" + //"SW TX wake: %lu\n" + "TX beacon: %lu\n" + "TX beacon aborted: %lu\n", + priv->stats.txnpokint, + priv->stats.txnperr, + priv->stats.txhpokint, + priv->stats.txhperr, + priv->stats.txlpokint, + priv->stats.txlperr, + priv->ieee80211->stats.tx_bytes, + priv->ieee80211->stats.tx_packets, + priv->stats.txresumed, + netif_queue_stopped(dev), + priv->stats.txoverflow, + //priv->ieee80211->ieee_stats.swtxstop, + //priv->ieee80211->ieee_stats.swtxawake, + priv->stats.txbeacon, + priv->stats.txbeaconerr */ + "TX OK: %lu\n" + "TX Error: %lu\n" + "TX Retry: %lu\n" + "TX beacon OK: %lu\n" + "TX beacon error: %lu\n", + totalOK, + priv->stats.txnperr+priv->stats.txhperr+priv->stats.txlperr, + priv->stats.txretry, + priv->stats.txbeacon, + priv->stats.txbeaconerr + ); + + *eof = 1; + return len; +} + + +#if WIRELESS_EXT < 17 +static struct iw_statistics *r8180_get_wireless_stats(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + + return &priv->wstats; +} +#endif +void rtl8180_proc_module_init(void) +{ + DMESG("Initializing proc filesystem"); +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) + rtl8180_proc=create_proc_entry(RTL8180_MODULE_NAME, S_IFDIR, proc_net); +#else + rtl8180_proc=create_proc_entry(RTL8180_MODULE_NAME, S_IFDIR, init_net.proc_net); +#endif +} + + +void rtl8180_proc_module_remove(void) +{ +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) + remove_proc_entry(RTL8180_MODULE_NAME, proc_net); +#else + remove_proc_entry(RTL8180_MODULE_NAME, init_net.proc_net); +#endif +} + + +void rtl8180_proc_remove_one(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + if (priv->dir_dev) { + remove_proc_entry("stats-hw", priv->dir_dev); + remove_proc_entry("stats-tx", priv->dir_dev); + remove_proc_entry("stats-rx", priv->dir_dev); +// remove_proc_entry("stats-ieee", priv->dir_dev); +// remove_proc_entry("stats-ap", priv->dir_dev); + remove_proc_entry("registers", priv->dir_dev); + remove_proc_entry(dev->name, rtl8180_proc); + priv->dir_dev = NULL; + } +} + + +void rtl8180_proc_init_one(struct net_device *dev) +{ + struct proc_dir_entry *e; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + priv->dir_dev = create_proc_entry(dev->name, + S_IFDIR | S_IRUGO | S_IXUGO, + rtl8180_proc); + if (!priv->dir_dev) { + DMESGE("Unable to initialize /proc/net/rtl8180/%s\n", + dev->name); + return; + } + + e = create_proc_read_entry("stats-hw", S_IFREG | S_IRUGO, + priv->dir_dev, proc_get_stats_hw, dev); + + if (!e) { + DMESGE("Unable to initialize " + "/proc/net/rtl8180/%s/stats-hw\n", + dev->name); + } + + e = create_proc_read_entry("stats-rx", S_IFREG | S_IRUGO, + priv->dir_dev, proc_get_stats_rx, dev); + + if (!e) { + DMESGE("Unable to initialize " + "/proc/net/rtl8180/%s/stats-rx\n", + dev->name); + } + + + e = create_proc_read_entry("stats-tx", S_IFREG | S_IRUGO, + priv->dir_dev, proc_get_stats_tx, dev); + + if (!e) { + DMESGE("Unable to initialize " + "/proc/net/rtl8180/%s/stats-tx\n", + dev->name); + } + #if 0 + e = create_proc_read_entry("stats-ieee", S_IFREG | S_IRUGO, + priv->dir_dev, proc_get_stats_ieee, dev); + + if (!e) { + DMESGE("Unable to initialize " + "/proc/net/rtl8180/%s/stats-ieee\n", + dev->name); + } + #endif + #if 0 + e = create_proc_read_entry("stats-ap", S_IFREG | S_IRUGO, + priv->dir_dev, proc_get_stats_ap, dev); + + if (!e) { + DMESGE("Unable to initialize " + "/proc/net/rtl8180/%s/stats-ap\n", + dev->name); + } + #endif + + e = create_proc_read_entry("registers", S_IFREG | S_IRUGO, + priv->dir_dev, proc_get_registers, dev); + + if (!e) { + DMESGE("Unable to initialize " + "/proc/net/rtl8180/%s/registers\n", + dev->name); + } +} +/**************************************************************************** + -----------------------------MISC STUFF------------------------- +*****************************************************************************/ +/* + FIXME: check if we can use some standard already-existent + data type+functions in kernel +*/ + +short buffer_add(struct buffer **buffer, u32 *buf, dma_addr_t dma, + struct buffer **bufferhead) +{ +#ifdef DEBUG_RING + DMESG("adding buffer to TX/RX struct"); +#endif + + struct buffer *tmp; + + if(! *buffer){ + + *buffer = kmalloc(sizeof(struct buffer),GFP_KERNEL); + + if (*buffer == NULL) { + DMESGE("Failed to kmalloc head of TX/RX struct"); + return -1; + } + (*buffer)->next=*buffer; + (*buffer)->buf=buf; + (*buffer)->dma=dma; + if(bufferhead !=NULL) + (*bufferhead) = (*buffer); + return 0; + } + tmp=*buffer; + + while(tmp->next!=(*buffer)) tmp=tmp->next; + if ((tmp->next= kmalloc(sizeof(struct buffer),GFP_KERNEL)) == NULL){ + DMESGE("Failed to kmalloc TX/RX struct"); + return -1; + } + tmp->next->buf=buf; + tmp->next->dma=dma; + tmp->next->next=*buffer; + + return 0; +} + + +void buffer_free(struct net_device *dev,struct buffer **buffer,int len,short +consistent) +{ + + struct buffer *tmp,*next; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + struct pci_dev *pdev=priv->pdev; + //int i; + + if(! *buffer) return; + + /*for(tmp=*buffer; tmp->next != *buffer; tmp=tmp->next) + + */ + tmp=*buffer; + do{ + next=tmp->next; + if(consistent){ + pci_free_consistent(pdev,len, + tmp->buf,tmp->dma); + }else{ + pci_unmap_single(pdev, tmp->dma, + len,PCI_DMA_FROMDEVICE); + kfree(tmp->buf); + } + kfree(tmp); + tmp = next; + } + while(next != *buffer); + + *buffer=NULL; +} + + +void print_buffer(u32 *buffer, int len) +{ + int i; + u8 *buf =(u8*)buffer; + + printk("ASCII BUFFER DUMP (len: %x):\n",len); + + for(i=0;i<len;i++) + printk("%c",buf[i]); + + printk("\nBINARY BUFFER DUMP (len: %x):\n",len); + + for(i=0;i<len;i++) + printk("%02x",buf[i]); + + printk("\n"); +} + + +int get_curr_tx_free_desc(struct net_device *dev, int priority) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + u32* tail; + u32* head; + int ret; + + switch (priority){ + case MANAGE_PRIORITY: + head = priv->txmapringhead; + tail = priv->txmapringtail; + break; + case BK_PRIORITY: + head = priv->txbkpringhead; + tail = priv->txbkpringtail; + break; + case BE_PRIORITY: + head = priv->txbepringhead; + tail = priv->txbepringtail; + break; + case VI_PRIORITY: + head = priv->txvipringhead; + tail = priv->txvipringtail; + break; + case VO_PRIORITY: + head = priv->txvopringhead; + tail = priv->txvopringtail; + break; + case HI_PRIORITY: + head = priv->txhpringhead; + tail = priv->txhpringtail; + break; + default: + return -1; + } + + //DMESG("%x %x", head, tail); + + /* FIXME FIXME FIXME FIXME */ + +#if 0 + if( head <= tail ) return priv->txringcount-1 - (tail - head)/8; + return (head - tail)/8/4; +#else + if( head <= tail ) + ret = priv->txringcount - (tail - head)/8; + else + ret = (head - tail)/8; + + if(ret > priv->txringcount ) DMESG("BUG"); + return ret; +#endif +} + + +short check_nic_enought_desc(struct net_device *dev, int priority) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + struct ieee80211_device *ieee = netdev_priv(dev); + + int requiredbyte, required; + requiredbyte = priv->ieee80211->fts + sizeof(struct ieee80211_header_data); + + if(ieee->current_network.QoS_Enable) { + requiredbyte += 2; + }; + + required = requiredbyte / (priv->txbuffsize-4); + if (requiredbyte % priv->txbuffsize) required++; + /* for now we keep two free descriptor as a safety boundary + * between the tail and the head + */ + + return (required+2 < get_curr_tx_free_desc(dev,priority)); +} + + +/* This function is only for debuging purpose */ +void check_tx_ring(struct net_device *dev, int pri) +{ + static int maxlog =3; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + u32* tmp; + struct buffer *buf; + int i; + int nic; + u32* tail; + u32* head; + u32* begin; + u32 nicbegin; + struct buffer* buffer; + + maxlog --; + if (maxlog <0 ) return; + + switch(pri) { + case MANAGE_PRIORITY: + tail = priv->txmapringtail; + begin = priv->txmapring; + head = priv->txmapringhead; + nic = read_nic_dword(dev,TX_MANAGEPRIORITY_RING_ADDR); + buffer = priv->txmapbufs; + nicbegin = priv->txmapringdma; + break; + + + case BK_PRIORITY: + tail = priv->txbkpringtail; + begin = priv->txbkpring; + head = priv->txbkpringhead; + nic = read_nic_dword(dev,TX_BKPRIORITY_RING_ADDR); + buffer = priv->txbkpbufs; + nicbegin = priv->txbkpringdma; + break; + + case BE_PRIORITY: + tail = priv->txbepringtail; + begin = priv->txbepring; + head = priv->txbepringhead; + nic = read_nic_dword(dev,TX_BEPRIORITY_RING_ADDR); + buffer = priv->txbepbufs; + nicbegin = priv->txbepringdma; + break; + + case VI_PRIORITY: + tail = priv->txvipringtail; + begin = priv->txvipring; + head = priv->txvipringhead; + nic = read_nic_dword(dev,TX_VIPRIORITY_RING_ADDR); + buffer = priv->txvipbufs; + nicbegin = priv->txvipringdma; + break; + + + case VO_PRIORITY: + tail = priv->txvopringtail; + begin = priv->txvopring; + head = priv->txvopringhead; + nic = read_nic_dword(dev,TX_VOPRIORITY_RING_ADDR); + buffer = priv->txvopbufs; + nicbegin = priv->txvopringdma; + break; + + case HI_PRIORITY: + tail = priv->txhpringtail; + begin = priv->txhpring; + head = priv->txhpringhead; + nic = read_nic_dword(dev,TX_HIGHPRIORITY_RING_ADDR); + buffer = priv->txhpbufs; + nicbegin = priv->txhpringdma; + break; + + default: + return ; + break; + } + + if(!priv->txvopbufs) + DMESGE ("NIC TX ack, but TX queue corrupted!"); + else{ + + for(i=0,buf=buffer, tmp=begin; + tmp<begin+(priv->txringcount)*8; + tmp+=8,buf=buf->next,i++) + + DMESG("BUF%d %s %x %s. Next : %x",i, + *tmp & (1<<31) ? "filled" : "empty", + *(buf->buf), + *tmp & (1<<15)? "ok": "err", *(tmp+4)); + } + + DMESG("nic at %d", + (nic-nicbegin) / 8 /4); + DMESG("tail at %d", ((int)tail - (int)begin) /8 /4); + DMESG("head at %d", ((int)head - (int)begin) /8 /4); + DMESG("check free desc returns %d", check_nic_enought_desc(dev,pri)); + DMESG("free desc is %d\n", get_curr_tx_free_desc(dev,pri)); + //rtl8180_reset(dev); + return; +} + + + +/* this function is only for debugging purpose */ +void check_rxbuf(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + u32* tmp; + struct buffer *buf; + u8 rx_desc_size; + +#ifdef CONFIG_RTL8185B + rx_desc_size = 8; +#else + rx_desc_size = 4; +#endif + + if(!priv->rxbuffer) + DMESGE ("NIC RX ack, but RX queue corrupted!"); + + else{ + + for(buf=priv->rxbuffer, tmp=priv->rxring; + tmp < priv->rxring+(priv->rxringcount)*rx_desc_size; + tmp+=rx_desc_size, buf=buf->next) + + DMESG("BUF %s %x", + *tmp & (1<<31) ? "empty" : "filled", + *(buf->buf)); + } + + return; +} + + +void dump_eprom(struct net_device *dev) +{ + int i; + for(i=0; i<63; i++) + DMESG("EEPROM addr %x : %x", i, eprom_read(dev,i)); +} + + +void rtl8180_dump_reg(struct net_device *dev) +{ + int i; + int n; + int max=0xff; + + DMESG("Dumping NIC register map"); + + for(n=0;n<=max;) + { + printk( "\nD: %2x> ", n); + for(i=0;i<16 && n<=max;i++,n++) + printk("%2x ",read_nic_byte(dev,n)); + } + printk("\n"); +} + + +void fix_tx_fifo(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + u32 *tmp; + int i; +#ifdef DEBUG_TX_ALLOC + DMESG("FIXING TX FIFOs"); +#endif + for (tmp=priv->txmapring, i=0; + i < priv->txringcount; + tmp+=8, i++){ + *tmp = *tmp &~ (1<<31); + } + + for (tmp=priv->txbkpring, i=0; + i < priv->txringcount; + tmp+=8, i++) { + *tmp = *tmp &~ (1<<31); + } + + for (tmp=priv->txbepring, i=0; + i < priv->txringcount; + tmp+=8, i++){ + *tmp = *tmp &~ (1<<31); + } + for (tmp=priv->txvipring, i=0; + i < priv->txringcount; + tmp+=8, i++) { + *tmp = *tmp &~ (1<<31); + } + + for (tmp=priv->txvopring, i=0; + i < priv->txringcount; + tmp+=8, i++){ + *tmp = *tmp &~ (1<<31); + } + + for (tmp=priv->txhpring, i=0; + i < priv->txringcount; + tmp+=8,i++){ + *tmp = *tmp &~ (1<<31); + } + + for (tmp=priv->txbeaconring, i=0; + i < priv->txbeaconcount; + tmp+=8, i++){ + *tmp = *tmp &~ (1<<31); + } +#ifdef DEBUG_TX_ALLOC + DMESG("TX FIFOs FIXED"); +#endif + priv->txmapringtail = priv->txmapring; + priv->txmapringhead = priv->txmapring; + priv->txmapbufstail = priv->txmapbufs; + + priv->txbkpringtail = priv->txbkpring; + priv->txbkpringhead = priv->txbkpring; + priv->txbkpbufstail = priv->txbkpbufs; + + priv->txbepringtail = priv->txbepring; + priv->txbepringhead = priv->txbepring; + priv->txbepbufstail = priv->txbepbufs; + + priv->txvipringtail = priv->txvipring; + priv->txvipringhead = priv->txvipring; + priv->txvipbufstail = priv->txvipbufs; + + priv->txvopringtail = priv->txvopring; + priv->txvopringhead = priv->txvopring; + priv->txvopbufstail = priv->txvopbufs; + + priv->txhpringtail = priv->txhpring; + priv->txhpringhead = priv->txhpring; + priv->txhpbufstail = priv->txhpbufs; + + priv->txbeaconringtail = priv->txbeaconring; + priv->txbeaconbufstail = priv->txbeaconbufs; + set_nic_txring(dev); + + ieee80211_reset_queue(priv->ieee80211); + priv->ack_tx_to_ieee = 0; +} + + +void fix_rx_fifo(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + u32 *tmp; + struct buffer *rxbuf; + u8 rx_desc_size; + +#ifdef CONFIG_RTL8185B + rx_desc_size = 8; // 4*8 = 32 bytes +#else + rx_desc_size = 4; +#endif + +#ifdef DEBUG_RXALLOC + DMESG("FIXING RX FIFO"); + check_rxbuf(dev); +#endif + + for (tmp=priv->rxring, rxbuf=priv->rxbufferhead; + (tmp < (priv->rxring)+(priv->rxringcount)*rx_desc_size); + tmp+=rx_desc_size,rxbuf=rxbuf->next){ + *(tmp+2) = rxbuf->dma; + *tmp=*tmp &~ 0xfff; + *tmp=*tmp | priv->rxbuffersize; + *tmp |= (1<<31); + } + +#ifdef DEBUG_RXALLOC + DMESG("RX FIFO FIXED"); + check_rxbuf(dev); +#endif + + priv->rxringtail=priv->rxring; + priv->rxbuffer=priv->rxbufferhead; + priv->rx_skb_complete=1; + set_nic_rxring(dev); +} + + +/**************************************************************************** + ------------------------------HW STUFF--------------------------- +*****************************************************************************/ + +unsigned char QUALITY_MAP[] = { + 0x64, 0x64, 0x64, 0x63, 0x63, 0x62, 0x62, 0x61, + 0x61, 0x60, 0x60, 0x5f, 0x5f, 0x5e, 0x5d, 0x5c, + 0x5b, 0x5a, 0x59, 0x57, 0x56, 0x54, 0x52, 0x4f, + 0x4c, 0x49, 0x45, 0x41, 0x3c, 0x37, 0x31, 0x29, + 0x24, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, + 0x22, 0x22, 0x21, 0x21, 0x21, 0x21, 0x21, 0x20, + 0x20, 0x20, 0x20, 0x1f, 0x1f, 0x1e, 0x1e, 0x1e, + 0x1d, 0x1d, 0x1c, 0x1c, 0x1b, 0x1a, 0x19, 0x19, + 0x18, 0x17, 0x16, 0x15, 0x14, 0x12, 0x11, 0x0f, + 0x0e, 0x0c, 0x0a, 0x08, 0x06, 0x04, 0x01, 0x00 +}; + +unsigned char STRENGTH_MAP[] = { + 0x64, 0x64, 0x63, 0x62, 0x61, 0x60, 0x5f, 0x5e, + 0x5d, 0x5c, 0x5b, 0x5a, 0x57, 0x54, 0x52, 0x50, + 0x4e, 0x4c, 0x4a, 0x48, 0x46, 0x44, 0x41, 0x3f, + 0x3c, 0x3a, 0x37, 0x36, 0x36, 0x1c, 0x1c, 0x1b, + 0x1b, 0x1a, 0x1a, 0x19, 0x19, 0x18, 0x18, 0x17, + 0x17, 0x16, 0x16, 0x15, 0x15, 0x14, 0x14, 0x13, + 0x13, 0x12, 0x12, 0x11, 0x11, 0x10, 0x10, 0x0f, + 0x0f, 0x0e, 0x0e, 0x0d, 0x0d, 0x0c, 0x0c, 0x0b, + 0x0b, 0x0a, 0x0a, 0x09, 0x09, 0x08, 0x08, 0x07, + 0x07, 0x06, 0x06, 0x05, 0x04, 0x03, 0x02, 0x00 +}; + +void rtl8180_RSSI_calc(struct net_device *dev, u8 *rssi, u8 *qual){ + //void Mlme_UpdateRssiSQ(struct net_device *dev, u8 *rssi, u8 *qual){ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + u32 temp; + u32 temp2; + u32 temp3; + u32 lsb; + u32 q; + u32 orig_qual; + u8 _rssi; + + q = *qual; + orig_qual = *qual; + _rssi = 0; // avoid gcc complains.. + + if (q <= 0x4e) { + temp = QUALITY_MAP[q]; + } else { + if( q & 0x80 ) { + temp = 0x32; + } else { + temp = 1; + } + } + + *qual = temp; + temp2 = *rssi; + + switch(priv->rf_chip){ + case RFCHIPID_RFMD: + lsb = temp2 & 1; + temp2 &= 0x7e; + if ( !lsb || !(temp2 <= 0x3c) ) { + temp2 = 0x64; + } else { + temp2 = 100 * temp2 / 0x3c; + } + *rssi = temp2 & 0xff; + _rssi = temp2 & 0xff; + break; + case RFCHIPID_INTERSIL: + lsb = temp2; + temp2 &= 0xfffffffe; + temp2 *= 251; + temp3 = temp2; + temp2 <<= 6; + temp3 += temp2; + temp3 <<= 1; + temp2 = 0x4950df; + temp2 -= temp3; + lsb &= 1; + if ( temp2 <= 0x3e0000 ) { + if ( temp2 < 0xffef0000 ) + temp2 = 0xffef0000; + } else { + temp2 = 0x3e0000; + } + if ( !lsb ) { + temp2 -= 0xf0000; + } else { + temp2 += 0xf0000; + } + + temp3 = 0x4d0000; + temp3 -= temp2; + temp3 *= 100; + temp3 = temp3 / 0x6d; + temp3 >>= 0x10; + _rssi = temp3 & 0xff; + *rssi = temp3 & 0xff; + break; + case RFCHIPID_GCT: + lsb = temp2 & 1; + temp2 &= 0x7e; + if ( ! lsb || !(temp2 <= 0x3c) ){ + temp2 = 0x64; + } else { + temp2 = (100 * temp2) / 0x3c; + } + *rssi = temp2 & 0xff; + _rssi = temp2 & 0xff; + break; + case RFCHIPID_PHILIPS: + if( orig_qual <= 0x4e ){ + _rssi = STRENGTH_MAP[orig_qual]; + *rssi = _rssi; + } else { + orig_qual -= 0x80; + if ( !orig_qual ){ + _rssi = 1; + *rssi = 1; + } else { + _rssi = 0x32; + *rssi = 0x32; + } + } + break; + + /* case 4 */ + case RFCHIPID_MAXIM: + lsb = temp2 & 1; + temp2 &= 0x7e; + temp2 >>= 1; + temp2 += 0x42; + if( lsb != 0 ){ + temp2 += 0xa; + } + *rssi = temp2 & 0xff; + _rssi = temp2 & 0xff; + break; + } + + if ( _rssi < 0x64 ){ + if ( _rssi == 0 ) { + *rssi = 1; + } + } else { + *rssi = 0x64; + } + + return; +} + + +void rtl8180_irq_enable(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + priv->irq_enabled = 1; +/* + write_nic_word(dev,INTA_MASK,INTA_RXOK | INTA_RXDESCERR | INTA_RXOVERFLOW |\ + INTA_TXOVERFLOW | INTA_HIPRIORITYDESCERR | INTA_HIPRIORITYDESCOK |\ + INTA_NORMPRIORITYDESCERR | INTA_NORMPRIORITYDESCOK |\ + INTA_LOWPRIORITYDESCERR | INTA_LOWPRIORITYDESCOK | INTA_TIMEOUT); +*/ + write_nic_word(dev,INTA_MASK, priv->irq_mask); +} + + +void rtl8180_irq_disable(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + +#ifdef CONFIG_RTL8185B + write_nic_dword(dev,IMR,0); +#else + write_nic_word(dev,INTA_MASK,0); +#endif + force_pci_posting(dev); + priv->irq_enabled = 0; +} + + +void rtl8180_set_mode(struct net_device *dev,int mode) +{ + u8 ecmd; + ecmd=read_nic_byte(dev, EPROM_CMD); + ecmd=ecmd &~ EPROM_CMD_OPERATING_MODE_MASK; + ecmd=ecmd | (mode<<EPROM_CMD_OPERATING_MODE_SHIFT); + ecmd=ecmd &~ (1<<EPROM_CS_SHIFT); + ecmd=ecmd &~ (1<<EPROM_CK_SHIFT); + write_nic_byte(dev, EPROM_CMD, ecmd); +} + +void rtl8180_adapter_start(struct net_device *dev); +void rtl8180_beacon_tx_enable(struct net_device *dev); + +void rtl8180_update_msr(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + u8 msr; + u32 rxconf; + + msr = read_nic_byte(dev, MSR); + msr &= ~ MSR_LINK_MASK; + + rxconf=read_nic_dword(dev,RX_CONF); + + if(priv->ieee80211->state == IEEE80211_LINKED) + { + 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 if (priv->ieee80211->iw_mode == IW_MODE_INFRA) + msr |= (MSR_LINK_MANAGED<<MSR_LINK_SHIFT); + else + msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT); + rxconf |= (1<<RX_CHECK_BSSID_SHIFT); + + }else { + msr |= (MSR_LINK_NONE<<MSR_LINK_SHIFT); + rxconf &= ~(1<<RX_CHECK_BSSID_SHIFT); + } + + write_nic_byte(dev, MSR, msr); + write_nic_dword(dev, RX_CONF, rxconf); + +} + + + +void rtl8180_set_chan(struct net_device *dev,short ch) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + if((ch > 14) || (ch < 1)) + { + printk("In %s: Invalid chnanel %d\n", __func__, ch); + return; + } + + priv->chan=ch; + //printk("in %s:channel is %d\n",__func__,ch); + priv->rf_set_chan(dev,priv->chan); + +} + + +void rtl8180_rx_enable(struct net_device *dev) +{ + u8 cmd; + u32 rxconf; + /* for now we accept data, management & ctl frame*/ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + rxconf=read_nic_dword(dev,RX_CONF); + rxconf = rxconf &~ MAC_FILTER_MASK; + rxconf = rxconf | (1<<ACCEPT_MNG_FRAME_SHIFT); + rxconf = rxconf | (1<<ACCEPT_DATA_FRAME_SHIFT); + rxconf = rxconf | (1<<ACCEPT_BCAST_FRAME_SHIFT); + rxconf = rxconf | (1<<ACCEPT_MCAST_FRAME_SHIFT); +// rxconf = rxconf | (1<<ACCEPT_CRCERR_FRAME_SHIFT); + if (dev->flags & IFF_PROMISC) DMESG ("NIC in promisc mode"); + + if(priv->ieee80211->iw_mode == IW_MODE_MONITOR || \ + dev->flags & IFF_PROMISC){ + rxconf = rxconf | (1<<ACCEPT_ALLMAC_FRAME_SHIFT); + }else{ + rxconf = rxconf | (1<<ACCEPT_NICMAC_FRAME_SHIFT); + if(priv->card_8185 == 0) + rxconf = rxconf | (1<<RX_CHECK_BSSID_SHIFT); + } + + /*if(priv->ieee80211->iw_mode == IW_MODE_MASTER){ + rxconf = rxconf | (1<<ACCEPT_ALLMAC_FRAME_SHIFT); + rxconf = rxconf | (1<<RX_CHECK_BSSID_SHIFT); + }*/ + + if(priv->ieee80211->iw_mode == IW_MODE_MONITOR){ + rxconf = rxconf | (1<<ACCEPT_CTL_FRAME_SHIFT); + rxconf = rxconf | (1<<ACCEPT_ICVERR_FRAME_SHIFT); + rxconf = rxconf | (1<<ACCEPT_PWR_FRAME_SHIFT); + } + + if( priv->crcmon == 1 && priv->ieee80211->iw_mode == IW_MODE_MONITOR) + rxconf = rxconf | (1<<ACCEPT_CRCERR_FRAME_SHIFT); + + //if(!priv->card_8185){ + rxconf = rxconf &~ RX_FIFO_THRESHOLD_MASK; + rxconf = rxconf | (RX_FIFO_THRESHOLD_NONE<<RX_FIFO_THRESHOLD_SHIFT); + //} + + rxconf = rxconf | (1<<RX_AUTORESETPHY_SHIFT); + rxconf = rxconf &~ MAX_RX_DMA_MASK; + rxconf = rxconf | (MAX_RX_DMA_2048<<MAX_RX_DMA_SHIFT); + + //if(!priv->card_8185) + rxconf = rxconf | RCR_ONLYERLPKT; + + rxconf = rxconf &~ RCR_CS_MASK; + if(!priv->card_8185) + rxconf |= (priv->rcr_csense<<RCR_CS_SHIFT); +// rxconf &=~ 0xfff00000; +// rxconf |= 0x90100000;//9014f76f; + write_nic_dword(dev, RX_CONF, rxconf); + + fix_rx_fifo(dev); + +#ifdef DEBUG_RX + DMESG("rxconf: %x %x",rxconf ,read_nic_dword(dev,RX_CONF)); +#endif + cmd=read_nic_byte(dev,CMD); + write_nic_byte(dev,CMD,cmd | (1<<CMD_RX_ENABLE_SHIFT)); + + /* In rtl8139 driver seems that DMA threshold has to be written + * after enabling RX, so we rewrite RX_CONFIG register + */ + //mdelay(100); +// write_nic_dword(dev, RX_CONF, rxconf); + +} + + +void set_nic_txring(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); +// DMESG("ring %x %x", priv->txlpringdma,read_nic_dword(dev,TLPDA)); + + write_nic_dword(dev, TX_MANAGEPRIORITY_RING_ADDR, priv->txmapringdma); +// DMESG("ring %x %x", priv->txlpringdma,read_nic_dword(dev,TLPDA)); + write_nic_dword(dev, TX_BKPRIORITY_RING_ADDR, priv->txbkpringdma); +// DMESG("ring %x %x", priv->txlpringdma,read_nic_dword(dev,TLPDA)); + write_nic_dword(dev, TX_BEPRIORITY_RING_ADDR, priv->txbepringdma); +// DMESG("ring %x %x", priv->txlpringdma,read_nic_dword(dev,TLPDA)); + write_nic_dword(dev, TX_VIPRIORITY_RING_ADDR, priv->txvipringdma); +// DMESG("ring %x %x", priv->txlpringdma,read_nic_dword(dev,TLPDA)); + write_nic_dword(dev, TX_VOPRIORITY_RING_ADDR, priv->txvopringdma); +// DMESG("ring %x %x", priv->txlpringdma,read_nic_dword(dev,TLPDA)); + write_nic_dword(dev, TX_HIGHPRIORITY_RING_ADDR, priv->txhpringdma); +// DMESG("ring %x %x", priv->txlpringdma,read_nic_dword(dev,TLPDA)); + + write_nic_dword(dev, TX_BEACON_RING_ADDR, priv->txbeaconringdma); +} + + +void rtl8180_conttx_enable(struct net_device *dev) +{ + u32 txconf; + txconf = read_nic_dword(dev,TX_CONF); + txconf = txconf &~ TX_LOOPBACK_MASK; + txconf = txconf | (TX_LOOPBACK_CONTINUE <<TX_LOOPBACK_SHIFT); + write_nic_dword(dev,TX_CONF,txconf); +} + + +void rtl8180_conttx_disable(struct net_device *dev) +{ + u32 txconf; + txconf = read_nic_dword(dev,TX_CONF); + txconf = txconf &~ TX_LOOPBACK_MASK; + txconf = txconf | (TX_LOOPBACK_NONE <<TX_LOOPBACK_SHIFT); + write_nic_dword(dev,TX_CONF,txconf); +} + + +void rtl8180_tx_enable(struct net_device *dev) +{ + u8 cmd; + u8 tx_agc_ctl; + u8 byte; + u32 txconf; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + txconf= read_nic_dword(dev,TX_CONF); + + + if(priv->card_8185){ + + + byte = read_nic_byte(dev,CW_CONF); + byte &= ~(1<<CW_CONF_PERPACKET_CW_SHIFT); + byte &= ~(1<<CW_CONF_PERPACKET_RETRY_SHIFT); + write_nic_byte(dev, CW_CONF, byte); + + tx_agc_ctl = read_nic_byte(dev, TX_AGC_CTL); + tx_agc_ctl &= ~(1<<TX_AGC_CTL_PERPACKET_GAIN_SHIFT); + tx_agc_ctl &= ~(1<<TX_AGC_CTL_PERPACKET_ANTSEL_SHIFT); + tx_agc_ctl |=(1<<TX_AGC_CTL_FEEDBACK_ANT); + write_nic_byte(dev, TX_AGC_CTL, tx_agc_ctl); + /* + write_nic_word(dev, 0x5e, 0x01); + force_pci_posting(dev); + mdelay(1); + write_nic_word(dev, 0xfe, 0x10); + force_pci_posting(dev); + mdelay(1); + write_nic_word(dev, 0x5e, 0x00); + force_pci_posting(dev); + mdelay(1); + */ + write_nic_byte(dev, 0xec, 0x3f); /* Disable early TX */ + } + + if(priv->card_8185){ + + txconf = txconf &~ (1<<TCR_PROBE_NOTIMESTAMP_SHIFT); + + }else{ + + if(hwseqnum) + txconf= txconf &~ (1<<TX_CONF_HEADER_AUTOICREMENT_SHIFT); + else + txconf= txconf | (1<<TX_CONF_HEADER_AUTOICREMENT_SHIFT); + } + + txconf = txconf &~ TX_LOOPBACK_MASK; + txconf = txconf | (TX_LOOPBACK_NONE <<TX_LOOPBACK_SHIFT); + txconf = txconf &~ TCR_DPRETRY_MASK; + txconf = txconf &~ TCR_RTSRETRY_MASK; + txconf = txconf | (priv->retry_data<<TX_DPRETRY_SHIFT); + txconf = txconf | (priv->retry_rts<<TX_RTSRETRY_SHIFT); + txconf = txconf &~ (1<<TX_NOCRC_SHIFT); + + if(priv->card_8185){ + if(priv->hw_plcp_len) + txconf = txconf &~ TCR_PLCP_LEN; + else + txconf = txconf | TCR_PLCP_LEN; + }else{ + txconf = txconf &~ TCR_SAT; + } + txconf = txconf &~ TCR_MXDMA_MASK; + txconf = txconf | (TCR_MXDMA_2048<<TCR_MXDMA_SHIFT); + txconf = txconf | TCR_CWMIN; + txconf = txconf | TCR_DISCW; + +// if(priv->ieee80211->hw_wep) +// txconf=txconf &~ (1<<TX_NOICV_SHIFT); +// else + txconf=txconf | (1<<TX_NOICV_SHIFT); + + write_nic_dword(dev,TX_CONF,txconf); + + + fix_tx_fifo(dev); + +#ifdef DEBUG_TX + DMESG("txconf: %x %x",txconf,read_nic_dword(dev,TX_CONF)); +#endif + + cmd=read_nic_byte(dev,CMD); + write_nic_byte(dev,CMD,cmd | (1<<CMD_TX_ENABLE_SHIFT)); + +// mdelay(100); + write_nic_dword(dev,TX_CONF,txconf); +// #endif +/* + rtl8180_set_mode(dev,EPROM_CMD_CONFIG); + write_nic_byte(dev, TX_DMA_POLLING, priv->dma_poll_mask); + rtl8180_set_mode(dev,EPROM_CMD_NORMAL); + */ +} + + +void rtl8180_beacon_tx_enable(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + rtl8180_set_mode(dev,EPROM_CMD_CONFIG); +#ifdef CONFIG_RTL8185B + priv->dma_poll_stop_mask &= ~(TPPOLLSTOP_BQ); + write_nic_byte(dev,TPPollStop, priv->dma_poll_mask); +#else + priv->dma_poll_mask &=~(1<<TX_DMA_STOP_BEACON_SHIFT); + write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask); +#endif + rtl8180_set_mode(dev,EPROM_CMD_NORMAL); +} + + +void rtl8180_beacon_tx_disable(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + rtl8180_set_mode(dev,EPROM_CMD_CONFIG); +#ifdef CONFIG_RTL8185B + priv->dma_poll_stop_mask |= TPPOLLSTOP_BQ; + write_nic_byte(dev,TPPollStop, priv->dma_poll_stop_mask); +#else + priv->dma_poll_mask |= (1<<TX_DMA_STOP_BEACON_SHIFT); + write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask); +#endif + rtl8180_set_mode(dev,EPROM_CMD_NORMAL); + +} + + +void rtl8180_rtx_disable(struct net_device *dev) +{ + u8 cmd; + struct r8180_priv *priv = ieee80211_priv(dev); + + cmd=read_nic_byte(dev,CMD); + write_nic_byte(dev, CMD, cmd &~ \ + ((1<<CMD_RX_ENABLE_SHIFT)|(1<<CMD_TX_ENABLE_SHIFT))); + force_pci_posting(dev); + mdelay(10); + /*while (read_nic_byte(dev,CMD) & (1<<CMD_RX_ENABLE_SHIFT)) + udelay(10); + */ + + if(!priv->rx_skb_complete) + dev_kfree_skb_any(priv->rx_skb); +} + +#if 0 +int alloc_tx_beacon_desc_ring(struct net_device *dev, int count) +{ + int i; + u32 *tmp; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + priv->txbeaconring = (u32*)pci_alloc_consistent(priv->pdev, + sizeof(u32)*8*count, + &priv->txbeaconringdma); + if (!priv->txbeaconring) return -1; + for (tmp=priv->txbeaconring,i=0;i<count;i++){ + *tmp = *tmp &~ (1<<31); // descriptor empty, owned by the drv + /* + *(tmp+2) = (u32)dma_tmp; + *(tmp+3) = bufsize; + */ + if(i+1<count) + *(tmp+4) = (u32)priv->txbeaconringdma+((i+1)*8*4); + else + *(tmp+4) = (u32)priv->txbeaconringdma; + + tmp=tmp+8; + } + return 0; +} +#endif + +short alloc_tx_desc_ring(struct net_device *dev, int bufsize, int count, + int addr) +{ + int i; + u32 *desc; + u32 *tmp; + dma_addr_t dma_desc, dma_tmp; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + struct pci_dev *pdev = priv->pdev; + void *buf; + + if((bufsize & 0xfff) != bufsize) { + DMESGE ("TX buffer allocation too large"); + return 0; + } + desc = (u32*)pci_alloc_consistent(pdev, + sizeof(u32)*8*count+256, &dma_desc); + if(desc==NULL) return -1; + if(dma_desc & 0xff){ + + /* + * descriptor's buffer must be 256 byte aligned + * we shouldn't be here, since we set DMA mask ! + */ + DMESGW("Fixing TX alignment"); + desc = (u32*)((u8*)desc + 256); +#if (defined(CONFIG_HIGHMEM64G) || defined(CONFIG_64BIT_PHYS_ADDR)) + desc = (u32*)((u64)desc &~ 0xff); + dma_desc = (dma_addr_t)((u8*)dma_desc + 256); + dma_desc = (dma_addr_t)((u64)dma_desc &~ 0xff); +#else + desc = (u32*)((u32)desc &~ 0xff); + dma_desc = (dma_addr_t)((u8*)dma_desc + 256); + dma_desc = (dma_addr_t)((u32)dma_desc &~ 0xff); +#endif + } + tmp=desc; + for (i=0;i<count;i++) + { + buf = (void*)pci_alloc_consistent(pdev,bufsize,&dma_tmp); + if (buf == NULL) return -ENOMEM; + + switch(addr) { +#if 0 + case TX_NORMPRIORITY_RING_ADDR: + if(-1 == buffer_add(&(priv->txnpbufs),buf,dma_tmp,NULL)){ + DMESGE("Unable to allocate mem for buffer NP"); + return -ENOMEM; + } + break; + + case TX_LOWPRIORITY_RING_ADDR: + if(-1 == buffer_add(&(priv->txlpbufs),buf,dma_tmp,NULL)){ + DMESGE("Unable to allocate mem for buffer LP"); + return -ENOMEM; + } + break; + + case TX_HIGHPRIORITY_RING_ADDR: + if(-1 == buffer_add(&(priv->txhpbufs),buf,dma_tmp,NULL)){ + DMESGE("Unable to allocate mem for buffer HP"); + return -ENOMEM; + } + break; +#else + case TX_MANAGEPRIORITY_RING_ADDR: + if(-1 == buffer_add(&(priv->txmapbufs),buf,dma_tmp,NULL)){ + DMESGE("Unable to allocate mem for buffer NP"); + return -ENOMEM; + } + break; + + case TX_BKPRIORITY_RING_ADDR: + if(-1 == buffer_add(&(priv->txbkpbufs),buf,dma_tmp,NULL)){ + DMESGE("Unable to allocate mem for buffer LP"); + return -ENOMEM; + } + break; + case TX_BEPRIORITY_RING_ADDR: + if(-1 == buffer_add(&(priv->txbepbufs),buf,dma_tmp,NULL)){ + DMESGE("Unable to allocate mem for buffer NP"); + return -ENOMEM; + } + break; + + case TX_VIPRIORITY_RING_ADDR: + if(-1 == buffer_add(&(priv->txvipbufs),buf,dma_tmp,NULL)){ + DMESGE("Unable to allocate mem for buffer LP"); + return -ENOMEM; + } + break; + case TX_VOPRIORITY_RING_ADDR: + if(-1 == buffer_add(&(priv->txvopbufs),buf,dma_tmp,NULL)){ + DMESGE("Unable to allocate mem for buffer NP"); + return -ENOMEM; + } + break; +#endif + case TX_HIGHPRIORITY_RING_ADDR: + if(-1 == buffer_add(&(priv->txhpbufs),buf,dma_tmp,NULL)){ + DMESGE("Unable to allocate mem for buffer HP"); + return -ENOMEM; + } + break; + case TX_BEACON_RING_ADDR: + if(-1 == buffer_add(&(priv->txbeaconbufs),buf,dma_tmp,NULL)){ + DMESGE("Unable to allocate mem for buffer BP"); + return -ENOMEM; + } + break; + } + *tmp = *tmp &~ (1<<31); // descriptor empty, owned by the drv + *(tmp+2) = (u32)dma_tmp; + *(tmp+3) = bufsize; + + if(i+1<count) + *(tmp+4) = (u32)dma_desc+((i+1)*8*4); + else + *(tmp+4) = (u32)dma_desc; + + tmp=tmp+8; + } + + switch(addr) { + case TX_MANAGEPRIORITY_RING_ADDR: + priv->txmapringdma=dma_desc; + priv->txmapring=desc; + break; + + case TX_BKPRIORITY_RING_ADDR: + priv->txbkpringdma=dma_desc; + priv->txbkpring=desc; + break; + + case TX_BEPRIORITY_RING_ADDR: + priv->txbepringdma=dma_desc; + priv->txbepring=desc; + break; + + case TX_VIPRIORITY_RING_ADDR: + priv->txvipringdma=dma_desc; + priv->txvipring=desc; + break; + + case TX_VOPRIORITY_RING_ADDR: + priv->txvopringdma=dma_desc; + priv->txvopring=desc; + break; + + case TX_HIGHPRIORITY_RING_ADDR: + priv->txhpringdma=dma_desc; + priv->txhpring=desc; + break; + + case TX_BEACON_RING_ADDR: + priv->txbeaconringdma=dma_desc; + priv->txbeaconring=desc; + break; + + } + +#ifdef DEBUG_TX + DMESG("Tx dma physical address: %x",dma_desc); +#endif + + return 0; +} + + +void free_tx_desc_rings(struct net_device *dev) +{ + + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + struct pci_dev *pdev=priv->pdev; + int count = priv->txringcount; + + pci_free_consistent(pdev, sizeof(u32)*8*count+256, + priv->txmapring, priv->txmapringdma); + buffer_free(dev,&(priv->txmapbufs),priv->txbuffsize,1); + + pci_free_consistent(pdev, sizeof(u32)*8*count+256, + priv->txbkpring, priv->txbkpringdma); + buffer_free(dev,&(priv->txbkpbufs),priv->txbuffsize,1); + + pci_free_consistent(pdev, sizeof(u32)*8*count+256, + priv->txbepring, priv->txbepringdma); + buffer_free(dev,&(priv->txbepbufs),priv->txbuffsize,1); + + pci_free_consistent(pdev, sizeof(u32)*8*count+256, + priv->txvipring, priv->txvipringdma); + buffer_free(dev,&(priv->txvipbufs),priv->txbuffsize,1); + + pci_free_consistent(pdev, sizeof(u32)*8*count+256, + priv->txvopring, priv->txvopringdma); + buffer_free(dev,&(priv->txvopbufs),priv->txbuffsize,1); + + pci_free_consistent(pdev, sizeof(u32)*8*count+256, + priv->txhpring, priv->txhpringdma); + buffer_free(dev,&(priv->txhpbufs),priv->txbuffsize,1); + + count = priv->txbeaconcount; + pci_free_consistent(pdev, sizeof(u32)*8*count+256, + priv->txbeaconring, priv->txbeaconringdma); + buffer_free(dev,&(priv->txbeaconbufs),priv->txbuffsize,1); +} + +#if 0 +void free_beacon_desc_ring(struct net_device *dev,int count) +{ + + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + struct pci_dev *pdev=priv->pdev; + + pci_free_consistent(pdev, sizeof(u32)*8*count+256, + priv->txbeaconring, priv->txbeaconringdma); + + if (priv->beacon_buf) + pci_free_consistent(priv->pdev, + priv->master_beaconsize,priv->beacon_buf,priv->beacondmabuf); + +} +#endif +void free_rx_desc_ring(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + struct pci_dev *pdev = priv->pdev; + + int count = priv->rxringcount; + +#ifdef CONFIG_RTL8185B + pci_free_consistent(pdev, sizeof(u32)*8*count+256, + priv->rxring, priv->rxringdma); +#else + pci_free_consistent(pdev, sizeof(u32)*4*count+256, + priv->rxring, priv->rxringdma); +#endif + + buffer_free(dev,&(priv->rxbuffer),priv->rxbuffersize,0); +} + + +short alloc_rx_desc_ring(struct net_device *dev, u16 bufsize, int count) +{ + int i; + u32 *desc; + u32 *tmp; + dma_addr_t dma_desc,dma_tmp; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + struct pci_dev *pdev=priv->pdev; + void *buf; + u8 rx_desc_size; + +#ifdef CONFIG_RTL8185B + rx_desc_size = 8; // 4*8 = 32 bytes +#else + rx_desc_size = 4; +#endif + + if((bufsize & 0xfff) != bufsize){ + DMESGE ("RX buffer allocation too large"); + return -1; + } + + desc = (u32*)pci_alloc_consistent(pdev,sizeof(u32)*rx_desc_size*count+256, + &dma_desc); + + if(dma_desc & 0xff){ + + /* + * descriptor's buffer must be 256 byte aligned + * should never happen since we specify the DMA mask + */ + + DMESGW("Fixing RX alignment"); + desc = (u32*)((u8*)desc + 256); +#if (defined(CONFIG_HIGHMEM64G) || defined(CONFIG_64BIT_PHYS_ADDR)) + desc = (u32*)((u64)desc &~ 0xff); + dma_desc = (dma_addr_t)((u8*)dma_desc + 256); + dma_desc = (dma_addr_t)((u64)dma_desc &~ 0xff); +#else + desc = (u32*)((u32)desc &~ 0xff); + dma_desc = (dma_addr_t)((u8*)dma_desc + 256); + dma_desc = (dma_addr_t)((u32)dma_desc &~ 0xff); +#endif + } + + priv->rxring=desc; + priv->rxringdma=dma_desc; + tmp=desc; + + for (i=0;i<count;i++){ + + if ((buf= kmalloc(bufsize * sizeof(u8),GFP_ATOMIC)) == NULL){ + DMESGE("Failed to kmalloc RX buffer"); + return -1; + } + + dma_tmp = pci_map_single(pdev,buf,bufsize * sizeof(u8), + PCI_DMA_FROMDEVICE); + +#ifdef DEBUG_ZERO_RX + int j; + for(j=0;j<bufsize;j++) ((u8*)buf)[i] = 0; +#endif + + //buf = (void*)pci_alloc_consistent(pdev,bufsize,&dma_tmp); + if(-1 == buffer_add(&(priv->rxbuffer), buf,dma_tmp, + &(priv->rxbufferhead))){ + DMESGE("Unable to allocate mem RX buf"); + return -1; + } + *tmp = 0; //zero pads the header of the descriptor + *tmp = *tmp |( bufsize&0xfff); + *(tmp+2) = (u32)dma_tmp; + *tmp = *tmp |(1<<31); // descriptor void, owned by the NIC + +#ifdef DEBUG_RXALLOC + DMESG("Alloc %x size buffer, DMA mem @ %x, virtual mem @ %x", + (u32)(bufsize&0xfff), (u32)dma_tmp, (u32)buf); +#endif + + tmp=tmp+rx_desc_size; + } + + *(tmp-rx_desc_size) = *(tmp-rx_desc_size) | (1<<30); // this is the last descriptor + + +#ifdef DEBUG_RXALLOC + DMESG("RX DMA physical address: %x",dma_desc); +#endif + + return 0; +} + + +void set_nic_rxring(struct net_device *dev) +{ + u8 pgreg; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + //rtl8180_set_mode(dev, EPROM_CMD_CONFIG); + + pgreg=read_nic_byte(dev, PGSELECT); + write_nic_byte(dev, PGSELECT, pgreg &~ (1<<PGSELECT_PG_SHIFT)); + + //rtl8180_set_mode(dev, EPROM_CMD_NORMAL); + + write_nic_dword(dev, RXRING_ADDR,priv->rxringdma); +} + + +void rtl8180_reset(struct net_device *dev) +{ + //u32 txconf = 0x80e00707; //FIXME: Make me understandable + u8 cr; + + //write_nic_dword(dev,TX_CONF,txconf); + + rtl8180_irq_disable(dev); + + cr=read_nic_byte(dev,CMD); + cr = cr & 2; + cr = cr | (1<<CMD_RST_SHIFT); + write_nic_byte(dev,CMD,cr); + + force_pci_posting(dev); + + mdelay(200); + + if(read_nic_byte(dev,CMD) & (1<<CMD_RST_SHIFT)) + DMESGW("Card reset timeout!"); + else + DMESG("Card successfully reset"); + +//#ifndef CONFIG_RTL8185B + rtl8180_set_mode(dev,EPROM_CMD_LOAD); + force_pci_posting(dev); + mdelay(200); +//#endif +} + +inline u16 ieeerate2rtlrate(int rate) +{ + switch(rate){ + case 10: + return 0; + case 20: + return 1; + case 55: + return 2; + case 110: + return 3; + case 60: + return 4; + case 90: + return 5; + case 120: + return 6; + case 180: + return 7; + case 240: + return 8; + case 360: + return 9; + case 480: + return 10; + case 540: + return 11; + default: + return 3; + + } +} + +static u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540,720}; +inline u16 rtl8180_rate2rate(short rate) +{ + if (rate >12) return 10; + return rtl_rate[rate]; +} +inline u8 rtl8180_IsWirelessBMode(u16 rate) +{ + if( ((rate <= 110) && (rate != 60) && (rate != 90)) || (rate == 220) ) + return 1; + else return 0; +} +u16 N_DBPSOfRate(u16 DataRate); +u16 ComputeTxTime( + u16 FrameLength, + u16 DataRate, + u8 bManagementFrame, + u8 bShortPreamble +) +{ + u16 FrameTime; + u16 N_DBPS; + u16 Ceiling; + + if( rtl8180_IsWirelessBMode(DataRate) ) + { + if( bManagementFrame || !bShortPreamble || DataRate == 10 ) + { // long preamble + FrameTime = (u16)(144+48+(FrameLength*8/(DataRate/10))); + } + else + { // Short preamble + FrameTime = (u16)(72+24+(FrameLength*8/(DataRate/10))); + } + if( ( FrameLength*8 % (DataRate/10) ) != 0 ) //Get the Ceilling + FrameTime ++; + } else { //802.11g DSSS-OFDM PLCP length field calculation. + N_DBPS = N_DBPSOfRate(DataRate); + Ceiling = (16 + 8*FrameLength + 6) / N_DBPS + + (((16 + 8*FrameLength + 6) % N_DBPS) ? 1 : 0); + FrameTime = (u16)(16 + 4 + 4*Ceiling + 6); + } + return FrameTime; +} +u16 N_DBPSOfRate(u16 DataRate) +{ + u16 N_DBPS = 24; + + switch(DataRate) + { + case 60: + N_DBPS = 24; + break; + + case 90: + N_DBPS = 36; + break; + + case 120: + N_DBPS = 48; + break; + + case 180: + N_DBPS = 72; + break; + + case 240: + N_DBPS = 96; + break; + + case 360: + N_DBPS = 144; + break; + + case 480: + N_DBPS = 192; + break; + + case 540: + N_DBPS = 216; + break; + + default: + break; + } + + return N_DBPS; +} + +//{by amy 080312 +// +// Description: +// For Netgear case, they want good-looking singal strength. +// 2004.12.05, by rcnjko. +// +long +NetgearSignalStrengthTranslate( + long LastSS, + long CurrSS + ) +{ + long RetSS; + + // Step 1. Scale mapping. + if(CurrSS >= 71 && CurrSS <= 100) + { + RetSS = 90 + ((CurrSS - 70) / 3); + } + else if(CurrSS >= 41 && CurrSS <= 70) + { + RetSS = 78 + ((CurrSS - 40) / 3); + } + else if(CurrSS >= 31 && CurrSS <= 40) + { + RetSS = 66 + (CurrSS - 30); + } + else if(CurrSS >= 21 && CurrSS <= 30) + { + RetSS = 54 + (CurrSS - 20); + } + else if(CurrSS >= 5 && CurrSS <= 20) + { + RetSS = 42 + (((CurrSS - 5) * 2) / 3); + } + else if(CurrSS == 4) + { + RetSS = 36; + } + else if(CurrSS == 3) + { + RetSS = 27; + } + else if(CurrSS == 2) + { + RetSS = 18; + } + else if(CurrSS == 1) + { + RetSS = 9; + } + else + { + RetSS = CurrSS; + } + //RT_TRACE(COMP_DBG, DBG_LOUD, ("##### After Mapping: LastSS: %d, CurrSS: %d, RetSS: %d\n", LastSS, CurrSS, RetSS)); + + // Step 2. Smoothing. + if(LastSS > 0) + { + RetSS = ((LastSS * 5) + (RetSS)+ 5) / 6; + } + //RT_TRACE(COMP_DBG, DBG_LOUD, ("$$$$$ After Smoothing: LastSS: %d, CurrSS: %d, RetSS: %d\n", LastSS, CurrSS, RetSS)); + + return RetSS; +} +// +// Description: +// Translate 0-100 signal strength index into dBm. +// +long +TranslateToDbm8185( + u8 SignalStrengthIndex // 0-100 index. + ) +{ + long SignalPower; // in dBm. + + // Translate to dBm (x=0.5y-95). + SignalPower = (long)((SignalStrengthIndex + 1) >> 1); + SignalPower -= 95; + + return SignalPower; +} +// +// Description: +// Perform signal smoothing for dynamic mechanism. +// This is different with PerformSignalSmoothing8185 in smoothing fomula. +// No dramatic adjustion is apply because dynamic mechanism need some degree +// of correctness. Ported from 8187B. +// 2007-02-26, by Bruce. +// +void +PerformUndecoratedSignalSmoothing8185( + struct r8180_priv *priv, + bool bCckRate + ) +{ + + + // Determin the current packet is CCK rate. + priv->bCurCCKPkt = bCckRate; + + if(priv->UndecoratedSmoothedSS >= 0) + { + priv->UndecoratedSmoothedSS = ( (priv->UndecoratedSmoothedSS * 5) + (priv->SignalStrength * 10) ) / 6; + } + else + { + priv->UndecoratedSmoothedSS = priv->SignalStrength * 10; + } + + priv->UndercorateSmoothedRxPower = ( (priv->UndercorateSmoothedRxPower * 50) + (priv->RxPower* 11)) / 60; + +// printk("Sommthing SignalSterngth (%d) => UndecoratedSmoothedSS (%d)\n", priv->SignalStrength, priv->UndecoratedSmoothedSS); +// printk("Sommthing RxPower (%d) => UndecoratedRxPower (%d)\n", priv->RxPower, priv->UndercorateSmoothedRxPower); + + //if(priv->CurCCKRSSI >= 0 && bCckRate) + if(bCckRate) + { + priv->CurCCKRSSI = priv->RSSI; + } + else + { + priv->CurCCKRSSI = 0; + } + + // Boundary checking. + // TODO: The overflow condition does happen, if we want to fix, + // we shall recalculate thresholds first. + if(priv->UndecoratedSmoothedSS > 100) + { +// printk("UndecoratedSmoothedSS(%d) overflow, SignalStrength(%d)\n", priv->UndecoratedSmoothedSS, priv->SignalStrength); + } + if(priv->UndecoratedSmoothedSS < 0) + { +// printk("UndecoratedSmoothedSS(%d) underflow, SignalStrength(%d)\n", priv->UndecoratedSmoothedSS, priv->SignalStrength); + } + +} + +//by amy 080312} + +/* This is rough RX isr handling routine*/ +void rtl8180_rx(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + struct sk_buff *tmp_skb; + + //struct sk_buff *skb; + short first,last; + u32 len; + int lastlen; + unsigned char quality, signal; + u8 rate; + //u32 *prism_hdr; + u32 *tmp,*tmp2; + u8 rx_desc_size; + u8 padding; + //u32 count=0; + char rxpower = 0; + u32 RXAGC = 0; + long RxAGC_dBm = 0; + u8 LNA=0, BB=0; + u8 LNA_gain[4]={02, 17, 29, 39}; + u8 Antenna = 0; + struct ieee80211_hdr *hdr;//by amy + u16 fc,type; + u8 bHwError = 0,bCRC = 0,bICV = 0; + //bHwError = 0; + //bCRC = 0; + //bICV = 0; + bool bCckRate = false; + u8 RSSI = 0; + long SignalStrengthIndex = 0;//+by amy 080312 +// u8 SignalStrength = 0; + struct ieee80211_rx_stats stats = { + .signal = 0, + .noise = -98, + .rate = 0, + // .mac_time = jiffies, + .freq = IEEE80211_24GHZ_BAND, + }; + +#ifdef CONFIG_RTL8185B + stats.nic_type = NIC_8185B; + rx_desc_size = 8; + +#else + stats.nic_type = NIC_8185; + rx_desc_size = 4; +#endif + //printk("receive frame!%d\n",count++); + //if (!priv->rxbuffer) DMESG ("EE: NIC RX ack, but RX queue corrupted!"); + //else { + + if ((*(priv->rxringtail)) & (1<<31)) { + + /* we have got an RX int, but the descriptor + * we are pointing is empty*/ + + priv->stats.rxnodata++; + priv->ieee80211->stats.rx_errors++; + + /* if (! *(priv->rxring) & (1<<31)) { + + priv->stats.rxreset++; + priv->rxringtail=priv->rxring; + priv->rxbuffer=priv->rxbufferhead; + + }else{*/ + + #if 0 + /* Maybe it is possible that the NIC has skipped some descriptors or + * it has reset its internal pointer to the beginning of the ring + * we search for the first filled descriptor in the ring, or we break + * putting again the pointer in the old location if we do not found any. + * This is quite dangerous, what does happen if the nic writes + * two descriptor (say A and B) when we have just checked the descriptor + * A and we are going to check the descriptor B..This might happen if the + * interrupt was dummy, there was not really filled descriptors and + * the NIC didn't lose pointer + */ + + //priv->stats.rxwrkaround++; + + tmp = priv->rxringtail; + while (*(priv->rxringtail) & (1<<31)){ + + priv->rxringtail+=4; + + if(priv->rxringtail >= + (priv->rxring)+(priv->rxringcount )*4) + priv->rxringtail=priv->rxring; + + priv->rxbuffer=(priv->rxbuffer->next); + + if(priv->rxringtail == tmp ){ + //DMESG("EE: Could not find RX pointer"); + priv->stats.rxnopointer++; + break; + } + } + #else + + tmp2 = NULL; + tmp = priv->rxringtail; + do{ + if(tmp == priv->rxring) + //tmp = priv->rxring + (priv->rxringcount )*rx_desc_size; xiong-2006-11-15 + tmp = priv->rxring + (priv->rxringcount - 1)*rx_desc_size; + else + tmp -= rx_desc_size; + + if(! (*tmp & (1<<31))) + tmp2 = tmp; + }while(tmp != priv->rxring); + + if(tmp2) priv->rxringtail = tmp2; + #endif + //} + } + + /* while there are filled descriptors */ + while(!(*(priv->rxringtail) & (1<<31))){ + if(*(priv->rxringtail) & (1<<26)) + DMESGW("RX buffer overflow"); + if(*(priv->rxringtail) & (1<<12)) + priv->stats.rxicverr++; + + if(*(priv->rxringtail) & (1<<27)){ + priv->stats.rxdmafail++; + //DMESG("EE: RX DMA FAILED at buffer pointed by descriptor %x",(u32)priv->rxringtail); + goto drop; + } + + pci_dma_sync_single_for_cpu(priv->pdev, + priv->rxbuffer->dma, + priv->rxbuffersize * \ + sizeof(u8), + PCI_DMA_FROMDEVICE); + + first = *(priv->rxringtail) & (1<<29) ? 1:0; + if(first) priv->rx_prevlen=0; + + last = *(priv->rxringtail) & (1<<28) ? 1:0; + if(last){ + lastlen=((*priv->rxringtail) &0xfff); + + /* if the last descriptor (that should + * tell us the total packet len) tell + * us something less than the descriptors + * len we had until now, then there is some + * problem.. + * workaround to prevent kernel panic + */ + if(lastlen < priv->rx_prevlen) + len=0; + else + len=lastlen-priv->rx_prevlen; + + if(*(priv->rxringtail) & (1<<13)) { +//lastlen=((*priv->rxringtail) &0xfff); + if ((*(priv->rxringtail) & 0xfff) <500) + priv->stats.rxcrcerrmin++; + else if ((*(priv->rxringtail) & 0x0fff) >1000) + priv->stats.rxcrcerrmax++; + else + priv->stats.rxcrcerrmid++; + + } + + }else{ + len = priv->rxbuffersize; + } + +#ifdef CONFIG_RTL8185B + if(first && last) { + padding = ((*(priv->rxringtail+3))&(0x04000000))>>26; + }else if(first) { + padding = ((*(priv->rxringtail+3))&(0x04000000))>>26; + if(padding) { + len -= 2; + } + }else { + padding = 0; + } +#ifdef CONFIG_RTL818X_S + padding = 0; +#endif +#endif + priv->rx_prevlen+=len; + + if(priv->rx_prevlen > MAX_FRAG_THRESHOLD + 100){ + /* HW is probably passing several buggy frames + * without FD or LD flag set. + * Throw this garbage away to prevent skb + * memory exausting + */ + if(!priv->rx_skb_complete) + dev_kfree_skb_any(priv->rx_skb); + priv->rx_skb_complete = 1; + } + +#ifdef DEBUG_RX_FRAG + DMESG("Iteration.. len %x",len); + if(first) DMESG ("First descriptor"); + if(last) DMESG("Last descriptor"); + +#endif +#ifdef DEBUG_RX_VERBOSE + print_buffer( priv->rxbuffer->buf, len); +#endif + +#ifdef CONFIG_RTL8185B + signal=(unsigned char)(((*(priv->rxringtail+3))& (0x00ff0000))>>16); + signal=(signal&0xfe)>>1; // Modify by hikaru 6.6 + + quality=(unsigned char)((*(priv->rxringtail+3)) & (0xff)); + + stats.mac_time[0] = *(priv->rxringtail+1); + stats.mac_time[1] = *(priv->rxringtail+2); + rxpower =((char)(((*(priv->rxringtail+4))& (0x00ff0000))>>16))/2 - 42; + RSSI = ((u8)(((*(priv->rxringtail+3)) & (0x0000ff00))>> 8)) & (0x7f); + +#else + signal=((*(priv->rxringtail+1))& (0xff0000))>>16; + signal=(signal&0xfe)>>1; // Modify by hikaru 6.6 + + quality=((*(priv->rxringtail+1)) & (0xff)); + + stats.mac_time[0] = *(priv->rxringtail+2); + stats.mac_time[1] = *(priv->rxringtail+3); +#endif + rate=((*(priv->rxringtail)) & + ((1<<23)|(1<<22)|(1<<21)|(1<<20)))>>20; + + stats.rate = rtl8180_rate2rate(rate); + //DMESG("%d",rate); + Antenna = (((*(priv->rxringtail +3))& (0x00008000)) == 0 )? 0:1 ; +// printk("in rtl8180_rx():Antenna is %d\n",Antenna); +//by amy for antenna + if(!rtl8180_IsWirelessBMode(stats.rate)) + { // OFDM rate. + + RxAGC_dBm = rxpower+1; //bias + } + else + { // CCK rate. + RxAGC_dBm = signal;//bit 0 discard + + LNA = (u8) (RxAGC_dBm & 0x60 ) >> 5 ; //bit 6~ bit 5 + BB = (u8) (RxAGC_dBm & 0x1F); // bit 4 ~ bit 0 + + RxAGC_dBm = -( LNA_gain[LNA] + (BB *2) ); //Pin_11b=-(LNA_gain+BB_gain) (dBm) + + RxAGC_dBm +=4; //bias + } + + if(RxAGC_dBm & 0x80) //absolute value + RXAGC= ~(RxAGC_dBm)+1; + bCckRate = rtl8180_IsWirelessBMode(stats.rate); + // Translate RXAGC into 1-100. + if(!rtl8180_IsWirelessBMode(stats.rate)) + { // OFDM rate. + if(RXAGC>90) + RXAGC=90; + else if(RXAGC<25) + RXAGC=25; + RXAGC=(90-RXAGC)*100/65; + } + else + { // CCK rate. + if(RXAGC>95) + RXAGC=95; + else if(RXAGC<30) + RXAGC=30; + RXAGC=(95-RXAGC)*100/65; + } + priv->SignalStrength = (u8)RXAGC; + priv->RecvSignalPower = RxAGC_dBm ; // It can use directly by SD3 CMLin + priv->RxPower = rxpower; + priv->RSSI = RSSI; +//{by amy 080312 + // SQ translation formular is provided by SD3 DZ. 2006.06.27, by rcnjko. + if(quality >= 127) + quality = 1;//0; //0 will cause epc to show signal zero , walk aroud now; + else if(quality < 27) + quality = 100; + else + quality = 127 - quality; + priv->SignalQuality = quality; + if(!priv->card_8185) + printk("check your card type\n"); + + stats.signal = (u8)quality;//priv->wstats.qual.level = priv->SignalStrength; + stats.signalstrength = RXAGC; + if(stats.signalstrength > 100) + stats.signalstrength = 100; + stats.signalstrength = (stats.signalstrength * 70)/100 + 30; + // printk("==========================>rx : RXAGC is %d,signalstrength is %d\n",RXAGC,stats.signalstrength); + stats.rssi = priv->wstats.qual.qual = priv->SignalQuality; + stats.noise = priv->wstats.qual.noise = 100 - priv ->wstats.qual.qual; +//by amy 080312} + bHwError = (((*(priv->rxringtail))& (0x00000fff)) == 4080)| (((*(priv->rxringtail))& (0x04000000)) != 0 ) + | (((*(priv->rxringtail))& (0x08000000)) != 0 )| (((~(*(priv->rxringtail)))& (0x10000000)) != 0 )| (((~(*(priv->rxringtail)))& (0x20000000)) != 0 ); + bCRC = ((*(priv->rxringtail)) & (0x00002000)) >> 13; + bICV = ((*(priv->rxringtail)) & (0x00001000)) >> 12; + hdr = (struct ieee80211_hdr *)priv->rxbuffer->buf; + fc = le16_to_cpu(hdr->frame_ctl); + type = WLAN_FC_GET_TYPE(fc); + + if((IEEE80211_FTYPE_CTL != type) && + (eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3)) + && (!bHwError) && (!bCRC)&& (!bICV)) + { +//by amy 080312 + // Perform signal smoothing for dynamic mechanism on demand. + // This is different with PerformSignalSmoothing8185 in smoothing fomula. + // No dramatic adjustion is apply because dynamic mechanism need some degree + // of correctness. 2007.01.23, by shien chang. + PerformUndecoratedSignalSmoothing8185(priv,bCckRate); + // + // For good-looking singal strength. + // + SignalStrengthIndex = NetgearSignalStrengthTranslate( + priv->LastSignalStrengthInPercent, + priv->SignalStrength); + + priv->LastSignalStrengthInPercent = SignalStrengthIndex; + priv->Stats_SignalStrength = TranslateToDbm8185((u8)SignalStrengthIndex); + // + // We need more correct power of received packets and the "SignalStrength" of RxStats is beautified, + // so we record the correct power here. + // + priv->Stats_SignalQuality =(long) (priv->Stats_SignalQuality * 5 + (long)priv->SignalQuality + 5) / 6; + priv->Stats_RecvSignalPower = (long)(priv->Stats_RecvSignalPower * 5 + priv->RecvSignalPower -1) / 6; + + // Figure out which antenna that received the lasted packet. + priv->LastRxPktAntenna = Antenna ? 1 : 0; // 0: aux, 1: main. +//by amy 080312 + SwAntennaDiversityRxOk8185(dev, priv->SignalStrength); + } + +//by amy for antenna + + + + + + +#ifndef DUMMY_RX + if(first){ + if(!priv->rx_skb_complete){ + /* seems that HW sometimes fails to reiceve and + doesn't provide the last descriptor */ +#ifdef DEBUG_RX_SKB + DMESG("going to free incomplete skb"); +#endif + dev_kfree_skb_any(priv->rx_skb); + priv->stats.rxnolast++; +#ifdef DEBUG_RX_SKB + DMESG("free incomplete skb OK"); +#endif + } + /* support for prism header has been originally added by Christian */ + if(priv->prism_hdr && priv->ieee80211->iw_mode == IW_MODE_MONITOR){ + +#if 0 + priv->rx_skb = dev_alloc_skb(len+2+PRISM_HDR_SIZE); + if(! priv->rx_skb) goto drop; + + prism_hdr = (u32*) skb_put(priv->rx_skb,PRISM_HDR_SIZE); + prism_hdr[0]=htonl(0x80211001); //version + prism_hdr[1]=htonl(0x40); //length + prism_hdr[2]=htonl(stats.mac_time[1]); //mactime (HIGH) + prism_hdr[3]=htonl(stats.mac_time[0]); //mactime (LOW) + rdtsc(prism_hdr[5], prism_hdr[4]); //hostime (LOW+HIGH) + prism_hdr[4]=htonl(prism_hdr[4]); //Byte-Order aendern + prism_hdr[5]=htonl(prism_hdr[5]); //Byte-Order aendern + prism_hdr[6]=0x00; //phytype + prism_hdr[7]=htonl(priv->chan); //channel + prism_hdr[8]=htonl(stats.rate); //datarate + prism_hdr[9]=0x00; //antenna + prism_hdr[10]=0x00; //priority + prism_hdr[11]=0x00; //ssi_type + prism_hdr[12]=htonl(stats.signal); //ssi_signal + prism_hdr[13]=htonl(stats.noise); //ssi_noise + prism_hdr[14]=0x00; //preamble + prism_hdr[15]=0x00; //encoding + +#endif + }else{ + priv->rx_skb = dev_alloc_skb(len+2); + if( !priv->rx_skb) goto drop; +#ifdef DEBUG_RX_SKB + DMESG("Alloc initial skb %x",len+2); +#endif + } + + priv->rx_skb_complete=0; + priv->rx_skb->dev=dev; + }else{ + /* if we are here we should have already RXed + * the first frame. + * If we get here and the skb is not allocated then + * we have just throw out garbage (skb not allocated) + * and we are still rxing garbage.... + */ + if(!priv->rx_skb_complete){ + + tmp_skb= dev_alloc_skb(priv->rx_skb->len +len+2); + + if(!tmp_skb) goto drop; + + tmp_skb->dev=dev; +#ifdef DEBUG_RX_SKB + DMESG("Realloc skb %x",len+2); +#endif + +#ifdef DEBUG_RX_SKB + DMESG("going copy prev frag %x",priv->rx_skb->len); +#endif + memcpy(skb_put(tmp_skb,priv->rx_skb->len), + priv->rx_skb->data, + priv->rx_skb->len); +#ifdef DEBUG_RX_SKB + DMESG("skb copy prev frag complete"); +#endif + + dev_kfree_skb_any(priv->rx_skb); +#ifdef DEBUG_RX_SKB + DMESG("prev skb free ok"); +#endif + + priv->rx_skb=tmp_skb; + } + } +#ifdef DEBUG_RX_SKB + DMESG("going to copy current payload %x",len); +#endif + if(!priv->rx_skb_complete) { +#ifdef CONFIG_RTL8185B + if(padding) { + memcpy(skb_put(priv->rx_skb,len), + (((unsigned char *)priv->rxbuffer->buf) + 2),len); + } else { +#endif + memcpy(skb_put(priv->rx_skb,len), + priv->rxbuffer->buf,len); +#ifdef CONFIG_RTL8185B + } +#endif + } +#ifdef DEBUG_RX_SKB + DMESG("current fragment skb copy complete"); +#endif + + if(last && !priv->rx_skb_complete){ + +#ifdef DEBUG_RX_SKB + DMESG("Got last fragment"); +#endif + + if(priv->rx_skb->len > 4) + skb_trim(priv->rx_skb,priv->rx_skb->len-4); +#ifdef DEBUG_RX_SKB + DMESG("yanked out crc, passing to the upper layer"); +#endif + +#ifndef RX_DONT_PASS_UL + if(!ieee80211_rx(priv->ieee80211, + priv->rx_skb, &stats)){ +#ifdef DEBUG_RX + DMESGW("Packet not consumed"); +#endif +#endif // RX_DONT_PASS_UL + + dev_kfree_skb_any(priv->rx_skb); +#ifndef RX_DONT_PASS_UL + } +#endif +#ifdef DEBUG_RX + else{ + DMESG("Rcv frag"); + } +#endif + priv->rx_skb_complete=1; + } + +#endif //DUMMY_RX + + pci_dma_sync_single_for_device(priv->pdev, + priv->rxbuffer->dma, + priv->rxbuffersize * \ + sizeof(u8), + PCI_DMA_FROMDEVICE); + + +drop: // this is used when we have not enought mem + + /* restore the descriptor */ + *(priv->rxringtail+2)=priv->rxbuffer->dma; + *(priv->rxringtail)=*(priv->rxringtail) &~ 0xfff; + *(priv->rxringtail)= + *(priv->rxringtail) | priv->rxbuffersize; + + *(priv->rxringtail)= + *(priv->rxringtail) | (1<<31); + //^empty descriptor + + //wmb(); + +#ifdef DEBUG_RX + DMESG("Current descriptor: %x",(u32)priv->rxringtail); +#endif + //unsigned long flags; + //spin_lock_irqsave(&priv->irq_lock,flags); + + priv->rxringtail+=rx_desc_size; + if(priv->rxringtail >= + (priv->rxring)+(priv->rxringcount )*rx_desc_size) + priv->rxringtail=priv->rxring; + + //spin_unlock_irqrestore(&priv->irq_lock,flags); + + + priv->rxbuffer=(priv->rxbuffer->next); + + } + + + +// if(get_curr_tx_free_desc(dev,priority)) +// ieee80211_sta_ps_sleep(priv->ieee80211, &tmp, &tmp2); + + + +} + + +void rtl8180_dma_kick(struct net_device *dev, int priority) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + rtl8180_set_mode(dev,EPROM_CMD_CONFIG); +/* + + switch(priority){ + + case LOW_PRIORITY: + + write_nic_byte(dev,TX_DMA_POLLING, + (1<< TX_DMA_POLLING_LOWPRIORITY_SHIFT) | + priv->dma_poll_mask); + break; + + case NORM_PRIORITY: + + write_nic_byte(dev,TX_DMA_POLLING, + (1<< TX_DMA_POLLING_NORMPRIORITY_SHIFT) | + priv->dma_poll_mask); + break; + + case HI_PRIORITY: + + write_nic_byte(dev,TX_DMA_POLLING, + (1<< TX_DMA_POLLING_HIPRIORITY_SHIFT) | + priv->dma_poll_mask); + break; + + } +*/ + write_nic_byte(dev, TX_DMA_POLLING, + (1 << (priority + 1)) | priv->dma_poll_mask); + rtl8180_set_mode(dev,EPROM_CMD_NORMAL); + + force_pci_posting(dev); +} + +#if 0 +void rtl8180_tx_queues_stop(struct net_device *dev) +{ + //struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + u8 dma_poll_mask = (1<<TX_DMA_STOP_LOWPRIORITY_SHIFT); + dma_poll_mask |= (1<<TX_DMA_STOP_HIPRIORITY_SHIFT); + dma_poll_mask |= (1<<TX_DMA_STOP_NORMPRIORITY_SHIFT); + dma_poll_mask |= (1<<TX_DMA_STOP_BEACON_SHIFT); + + rtl8180_set_mode(dev,EPROM_CMD_CONFIG); + write_nic_byte(dev,TX_DMA_POLLING,dma_poll_mask); + rtl8180_set_mode(dev,EPROM_CMD_NORMAL); +} +#endif + +void rtl8180_data_hard_stop(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + rtl8180_set_mode(dev,EPROM_CMD_CONFIG); +#ifdef CONFIG_RTL8185B + priv->dma_poll_stop_mask |= TPPOLLSTOP_AC_VIQ; + write_nic_byte(dev,TPPollStop, priv->dma_poll_stop_mask); +#else + priv->dma_poll_mask |= (1<<TX_DMA_STOP_LOWPRIORITY_SHIFT); + write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask); +#endif + rtl8180_set_mode(dev,EPROM_CMD_NORMAL); +} + + +void rtl8180_data_hard_resume(struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + rtl8180_set_mode(dev,EPROM_CMD_CONFIG); +#ifdef CONFIG_RTL8185B + priv->dma_poll_stop_mask &= ~(TPPOLLSTOP_AC_VIQ); + write_nic_byte(dev,TPPollStop, priv->dma_poll_stop_mask); +#else + priv->dma_poll_mask &= ~(1<<TX_DMA_STOP_LOWPRIORITY_SHIFT); + write_nic_byte(dev,TX_DMA_POLLING,priv->dma_poll_mask); +#endif + rtl8180_set_mode(dev,EPROM_CMD_NORMAL); +} + + +/* this function TX data frames when the ieee80211 stack requires this. + * It checks also if we need to stop the ieee tx queue, eventually do it + */ +void rtl8180_hard_data_xmit(struct sk_buff *skb,struct net_device *dev, int +rate) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + int mode; + struct ieee80211_hdr_3addr *h = (struct ieee80211_hdr_3addr *) skb->data; + short morefrag = (h->frame_ctl) & IEEE80211_FCTL_MOREFRAGS; + unsigned long flags; + int priority; + //static int count = 0; + + mode = priv->ieee80211->iw_mode; + + rate = ieeerate2rtlrate(rate); + /* + * This function doesn't require lock because we make + * sure it's called with the tx_lock already acquired. + * this come from the kernel's hard_xmit callback (trought + * the ieee stack, or from the try_wake_queue (again trought + * the ieee stack. + */ +#ifdef CONFIG_RTL8185B + priority = AC2Q(skb->priority); +#else + priority = LOW_PRIORITY; +#endif + spin_lock_irqsave(&priv->tx_lock,flags); + + if(priv->ieee80211->bHwRadioOff) + { + spin_unlock_irqrestore(&priv->tx_lock,flags); + + return; + } + + //printk(KERN_WARNING "priority = %d@%d\n", priority, count++); + if (!check_nic_enought_desc(dev, priority)){ + //DMESG("Error: no descriptor left by previous TX (avail %d) ", + // get_curr_tx_free_desc(dev, priority)); + DMESGW("Error: no descriptor left by previous TX (avail %d) ", + get_curr_tx_free_desc(dev, priority)); + //printk(KERN_WARNING "==============================================================> \n"); + ieee80211_stop_queue(priv->ieee80211); + } + rtl8180_tx(dev, skb->data, skb->len, priority, morefrag,0,rate); + if (!check_nic_enought_desc(dev, priority)) + ieee80211_stop_queue(priv->ieee80211); + + //dev_kfree_skb_any(skb); + spin_unlock_irqrestore(&priv->tx_lock,flags); + +} + +/* 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). For this reason it is better + * if the descriptors are larger than the largest management frame + * we intend to TX: i'm unsure what the HW does if it will not found + * the last fragment of a frame because it has been dropped... + * Since queues for Management and Data frames are different we + * might use a different lock than tx_lock (for example mgmt_tx_lock) + */ +/* these function may loops if invoked with 0 descriptors or 0 len buffer*/ +int rtl8180_hard_start_xmit(struct sk_buff *skb,struct net_device *dev) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + unsigned long flags; + + int priority; + +#ifdef CONFIG_RTL8185B + priority = MANAGE_PRIORITY; +#else + priority = NORM_PRIORITY; +#endif + + spin_lock_irqsave(&priv->tx_lock,flags); + + if(priv->ieee80211->bHwRadioOff) + { + spin_unlock_irqrestore(&priv->tx_lock,flags); + + dev_kfree_skb_any(skb); + return 0; + } + + rtl8180_tx(dev, skb->data, skb->len, priority, + 0, 0,ieeerate2rtlrate(priv->ieee80211->basic_rate)); + + priv->ieee80211->stats.tx_bytes+=skb->len; + priv->ieee80211->stats.tx_packets++; + spin_unlock_irqrestore(&priv->tx_lock,flags); + + dev_kfree_skb_any(skb); + return 0; +} + +// longpre 144+48 shortpre 72+24 +u16 rtl8180_len2duration(u32 len, short rate,short* ext) +{ + u16 duration; + u16 drift; + *ext=0; + + switch(rate){ + case 0://1mbps + *ext=0; + duration = ((len+4)<<4) /0x2; + drift = ((len+4)<<4) % 0x2; + if(drift ==0 ) break; + duration++; + break; + + case 1://2mbps + *ext=0; + duration = ((len+4)<<4) /0x4; + drift = ((len+4)<<4) % 0x4; + if(drift ==0 ) break; + duration++; + break; + + case 2: //5.5mbps + *ext=0; + duration = ((len+4)<<4) /0xb; + drift = ((len+4)<<4) % 0xb; + if(drift ==0 ) + break; + duration++; + break; + + default: + case 3://11mbps + *ext=0; + duration = ((len+4)<<4) /0x16; + drift = ((len+4)<<4) % 0x16; + if(drift ==0 ) + break; + duration++; + if(drift > 6) + break; + *ext=1; + break; + } + + return duration; +} + + +void rtl8180_prepare_beacon(struct net_device *dev) +{ + + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + struct sk_buff *skb; + + u16 word = read_nic_word(dev, BcnItv); + word &= ~BcnItv_BcnItv; // clear Bcn_Itv + word |= cpu_to_le16(priv->ieee80211->current_network.beacon_interval);//0x64; + write_nic_word(dev, BcnItv, word); + + + skb = ieee80211_get_beacon(priv->ieee80211); + if(skb){ + rtl8180_tx(dev,skb->data,skb->len,BEACON_PRIORITY, + 0,0,ieeerate2rtlrate(priv->ieee80211->basic_rate)); + dev_kfree_skb_any(skb); + } + #if 0 + //DMESG("size %x",len); + if(*tail & (1<<31)){ + + //DMESG("No more beacon TX desc"); + return ; + + } + //while(! *tail & (1<<31)){ + *tail= 0; // zeroes header + + *tail = *tail| (1<<29) ; //fist segment of the packet + *tail = (*tail) | (1<<28); // last segment + // *tail = *tail | (1<<18); // this is a beacon frame + *(tail+3)=*(tail+3) &~ 0xfff; + *(tail+3)=*(tail+3) | len; // buffer lenght + *tail = *tail |len; + // zeroes the second 32-bits dword of the descriptor + *(tail+1)= 0; + *tail = *tail | (rate << 24); + + duration = rtl8180_len2duration(len,rate,&ext); + + *(tail+1) = *(tail+1) | ((duration & 0x7fff)<<16); + + *tail = *tail | (1<<31); + //^ descriptor ready to be txed + if((tail - begin)/8 == priv->txbeaconcount-1) + tail=begin; + else + tail=tail+8; + //} +#endif +} + +/* This function do the real dirty work: it enqueues a TX command + * descriptor in the ring buffer, copyes the frame in a TX buffer + * and kicks the NIC to ensure it does the DMA transfer. + */ +short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority, + short morefrag, short descfrag, int rate) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + u32 *tail,*temp_tail; + u32 *begin; + u32 *buf; + int i; + int remain; + int buflen; + int count; + //u16 AckCtsTime; + //u16 FrameTime; + u16 duration; + short ext; + struct buffer* buflist; + //unsigned long flags; +#ifdef CONFIG_RTL8185B + struct ieee80211_hdr_3addr *frag_hdr = (struct ieee80211_hdr_3addr *)txbuf; + u8 dest[ETH_ALEN]; + u8 bUseShortPreamble = 0; + u8 bCTSEnable = 0; + u8 bRTSEnable = 0; + //u16 RTSRate = 22; + //u8 RetryLimit = 0; + u16 Duration = 0; + u16 RtsDur = 0; + u16 ThisFrameTime = 0; + u16 TxDescDuration = 0; + u8 ownbit_flag = false; //added by david woo for sync Tx, 2007.12.14 +#endif + + switch(priority) { + case MANAGE_PRIORITY: + tail=priv->txmapringtail; + begin=priv->txmapring; + buflist = priv->txmapbufstail; + count = priv->txringcount; + break; + + case BK_PRIORITY: + tail=priv->txbkpringtail; + begin=priv->txbkpring; + buflist = priv->txbkpbufstail; + count = priv->txringcount; + break; + + case BE_PRIORITY: + tail=priv->txbepringtail; + begin=priv->txbepring; + buflist = priv->txbepbufstail; + count = priv->txringcount; + break; + + case VI_PRIORITY: + tail=priv->txvipringtail; + begin=priv->txvipring; + buflist = priv->txvipbufstail; + count = priv->txringcount; + break; + + case VO_PRIORITY: + tail=priv->txvopringtail; + begin=priv->txvopring; + buflist = priv->txvopbufstail; + count = priv->txringcount; + break; + + case HI_PRIORITY: + tail=priv->txhpringtail; + begin=priv->txhpring; + buflist = priv->txhpbufstail; + count = priv->txringcount; + break; + + case BEACON_PRIORITY: + tail=priv->txbeaconringtail; + begin=priv->txbeaconring; + buflist = priv->txbeaconbufstail; + count = priv->txbeaconcount; + break; + + default: + return -1; + break; + } + + //printk("in rtl8180_tx(): rate is %d\n",priv->ieee80211->rate); +#if 1 + memcpy(&dest, frag_hdr->addr1, ETH_ALEN); + if (is_multicast_ether_addr(dest) || + is_broadcast_ether_addr(dest)) + { + Duration = 0; + RtsDur = 0; + bRTSEnable = 0; + bCTSEnable = 0; + + ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), 0, bUseShortPreamble); + TxDescDuration = ThisFrameTime; + } else {// Unicast packet + //u8 AckRate; + u16 AckTime; + + //YJ,add,080828,for Keep alive + priv->NumTxUnicast++; + + // Figure out ACK rate according to BSS basic rate and Tx rate, 2006.03.08 by rcnjko. + //AckRate = ComputeAckRate( pMgntInfo->mBrates, (u1Byte)(pTcb->DataRate) ); + // Figure out ACK time according to the AckRate and assume long preamble is used on receiver, 2006.03.08, by rcnjko. + //AckTime = ComputeTxTime( sAckCtsLng/8, AckRate, FALSE, FALSE); + //For simplicity, just use the 1M basic rate + //AckTime = ComputeTxTime(14, 540,0, 0); // AckCTSLng = 14 use 1M bps send + AckTime = ComputeTxTime(14, 10,0, 0); // AckCTSLng = 14 use 1M bps send + //AckTime = ComputeTxTime(14, 2,false, false); // AckCTSLng = 14 use 1M bps send + + if ( ((len + sCrcLng) > priv->rts) && priv->rts ) + { // RTS/CTS. + u16 RtsTime, CtsTime; + //u16 CtsRate; + bRTSEnable = 1; + bCTSEnable = 0; + + // Rate and time required for RTS. + RtsTime = ComputeTxTime( sAckCtsLng/8,priv->ieee80211->basic_rate, 0, 0); + // Rate and time required for CTS. + CtsTime = ComputeTxTime(14, 10,0, 0); // AckCTSLng = 14 use 1M bps send + + // Figure out time required to transmit this frame. + ThisFrameTime = ComputeTxTime(len + sCrcLng, + rtl8180_rate2rate(rate), + 0, + bUseShortPreamble); + + // RTS-CTS-ThisFrame-ACK. + RtsDur = CtsTime + ThisFrameTime + AckTime + 3*aSifsTime; + + TxDescDuration = RtsTime + RtsDur; + } + else {// Normal case. + bCTSEnable = 0; + bRTSEnable = 0; + RtsDur = 0; + + ThisFrameTime = ComputeTxTime(len + sCrcLng, rtl8180_rate2rate(rate), 0, bUseShortPreamble); + TxDescDuration = ThisFrameTime + aSifsTime + AckTime; + } + + if(!(frag_hdr->frame_ctl & IEEE80211_FCTL_MOREFRAGS)) { //no more fragment + // ThisFrame-ACK. + Duration = aSifsTime + AckTime; + } else { // One or more fragments remained. + u16 NextFragTime; + NextFragTime = ComputeTxTime( len + sCrcLng, //pretend following packet length equal current packet + rtl8180_rate2rate(rate), + 0, + bUseShortPreamble ); + + //ThisFrag-ACk-NextFrag-ACK. + Duration = NextFragTime + 3*aSifsTime + 2*AckTime; + } + + } // End of Unicast packet + + frag_hdr->duration_id = Duration; +#endif + + buflen=priv->txbuffsize; + remain=len; + temp_tail = tail; +//printk("================================>buflen = %d, remain = %d!\n", buflen,remain); + while(remain!=0){ +#ifdef DEBUG_TX_FRAG + DMESG("TX iteration"); +#endif +#ifdef DEBUG_TX + DMESG("TX: filling descriptor %x",(u32)tail); +#endif + mb(); + if(!buflist){ + DMESGE("TX buffer error, cannot TX frames. pri %d.", priority); + //spin_unlock_irqrestore(&priv->tx_lock,flags); + return -1; + } + buf=buflist->buf; + + if( (*tail & (1<<31)) && (priority != BEACON_PRIORITY)){ + + DMESGW("No more TX desc, returning %x of %x", + remain,len); + priv->stats.txrdu++; +#ifdef DEBUG_TX_DESC + check_tx_ring(dev,priority); + // netif_stop_queue(dev); + // netif_carrier_off(dev); +#endif + // spin_unlock_irqrestore(&priv->tx_lock,flags); + + return remain; + + } + + *tail= 0; // zeroes header + *(tail+1) = 0; + *(tail+3) = 0; + *(tail+5) = 0; + *(tail+6) = 0; + *(tail+7) = 0; + + if(priv->card_8185){ + //FIXME: this should be triggered by HW encryption parameters. + *tail |= (1<<15); //no encrypt +// *tail |= (1<<30); //raise int when completed + } + // *tail = *tail | (1<<16); + if(remain==len && !descfrag) { + ownbit_flag = false; //added by david woo,2007.12.14 +#ifdef DEBUG_TX_FRAG + DMESG("First descriptor"); +#endif + *tail = *tail| (1<<29) ; //fist segment of the packet + *tail = *tail |(len); + } else { + ownbit_flag = true; + } + + for(i=0;i<buflen&& remain >0;i++,remain--){ + ((u8*)buf)[i]=txbuf[i]; //copy data into descriptor pointed DMAble buffer + if(remain == 4 && i+4 >= buflen) break; + /* ensure the last desc has at least 4 bytes payload */ + + } + txbuf = txbuf + i; + *(tail+3)=*(tail+3) &~ 0xfff; + *(tail+3)=*(tail+3) | i; // buffer lenght + // Use short preamble or not + if (priv->ieee80211->current_network.capability&WLAN_CAPABILITY_SHORT_PREAMBLE) + if (priv->plcp_preamble_mode==1 && rate!=0) // short mode now, not long! + // *tail |= (1<<16); // enable short preamble mode. + +#ifdef CONFIG_RTL8185B + if(bCTSEnable) { + *tail |= (1<<18); + } + + if(bRTSEnable) //rts enable + { + *tail |= ((ieeerate2rtlrate(priv->ieee80211->basic_rate))<<19);//RTS RATE + *tail |= (1<<23);//rts enable + *(tail+1) |=(RtsDur&0xffff);//RTS Duration + } + *(tail+3) |= ((TxDescDuration&0xffff)<<16); //DURATION +// *(tail+3) |= (0xe6<<16); + *(tail+5) |= (11<<8);//(priv->retry_data<<8); //retry lim ; +#else + //Use RTS or not +#ifdef CONFIG_RTL8187B + if ( (len>priv->rts) && priv->rts && priority!=MANAGE_PRIORITY){ +#else + if ( (len>priv->rts) && priv->rts && priority==LOW_PRIORITY){ +#endif + *tail |= (1<<23); //enalbe RTS function + *tail |= (0<<19); //use 1M bps send RTS packet + AckCtsTime = ComputeTxTime(14, 10,0, 0); // AckCTSLng = 14 use 1M bps send + FrameTime = ComputeTxTime(len + 4, rtl8180_rate2rate(rate), 0, *tail&(1<<16)); + // RTS/CTS time is calculate as follow + duration = FrameTime + 3*10 + 2*AckCtsTime; //10us is the SifsTime; + *(tail+1) |= duration; //Need to edit here! ----hikaru + }else{ + *(tail+1)= 0; // zeroes the second 32-bits dword of the descriptor + } +#endif + + *tail = *tail | ((rate&0xf) << 24); + //DMESG("rate %d",rate); + + if(priv->card_8185){ + + #if 0 + *(tail+5)&= ~(1<<24); /* tx ant 0 */ + + *(tail+5) &= ~(1<<23); /* random tx agc 23-16 */ + *(tail+5) |= (1<<22)|(1<<21)|(1<<20)|(1<<19)|(1<<18)|(1<<17)|(1<<16); + + *(tail+5) &= +~((1<<15)|(1<<14)|(1<<13)|(1<<12)|(1<<11)|(1<<10)|(1<<9)|(1<<8)); + *(tail+5) |= (7<<8); // Max retry limit + + *(tail+5) &= ~((1<<7)|(1<<6)|(1<<5)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0)); + *(tail+5) |= (8<<4); // Max contention window + *(tail+6) |= 4; // Min contention window + #endif + // *(tail+5) = 0; + } + + /* hw_plcp_len is not used for rtl8180 chip */ + /* FIXME */ + if(priv->card_8185 == 0 || !priv->hw_plcp_len){ + + duration = rtl8180_len2duration(len, + rate,&ext); + + +#ifdef DEBUG_TX + DMESG("PLCP duration %d",duration ); + //DMESG("drift %d",drift); + DMESG("extension %s", (ext==1) ? "on":"off"); +#endif + *(tail+1) = *(tail+1) | ((duration & 0x7fff)<<16); + if(ext) *(tail+1) = *(tail+1) |(1<<31); //plcp length extension + } + + if(morefrag) *tail = (*tail) | (1<<17); // more fragment + if(!remain) *tail = (*tail) | (1<<28); // last segment of frame + +#ifdef DEBUG_TX_FRAG + if(!remain)DMESG("Last descriptor"); + if(morefrag)DMESG("More frag"); +#endif + *(tail+5) = *(tail+5)|(2<<27); + *(tail+7) = *(tail+7)|(1<<4); + + wmb(); + if(ownbit_flag) + { + *tail = *tail | (1<<31); // descriptor ready to be txed + } + +#ifdef DEBUG_TX_DESC2 + printk("tx desc is:\n"); + DMESG("%8x %8x %8x %8x %8x %8x %8x %8x", tail[0], tail[1], tail[2], tail[3], + tail[4], tail[5], tail[6], tail[7]); +#endif + + if((tail - begin)/8 == count-1) + tail=begin; + + else + tail=tail+8; + + buflist=buflist->next; + + mb(); + + switch(priority) { + case MANAGE_PRIORITY: + priv->txmapringtail=tail; + priv->txmapbufstail=buflist; + break; + + case BK_PRIORITY: + priv->txbkpringtail=tail; + priv->txbkpbufstail=buflist; + break; + + case BE_PRIORITY: + priv->txbepringtail=tail; + priv->txbepbufstail=buflist; + break; + + case VI_PRIORITY: + priv->txvipringtail=tail; + priv->txvipbufstail=buflist; + break; + + case VO_PRIORITY: + priv->txvopringtail=tail; + priv->txvopbufstail=buflist; + break; + + case HI_PRIORITY: + priv->txhpringtail=tail; + priv->txhpbufstail = buflist; + break; + + case BEACON_PRIORITY: + /* the HW seems to be happy with the 1st + * descriptor filled and the 2nd empty... + * So always update descriptor 1 and never + * touch 2nd + */ + // priv->txbeaconringtail=tail; + // priv->txbeaconbufstail=buflist; + + break; + + } + + //rtl8180_dma_kick(dev,priority); + } + *temp_tail = *temp_tail | (1<<31); // descriptor ready to be txed + rtl8180_dma_kick(dev,priority); + //spin_unlock_irqrestore(&priv->tx_lock,flags); + + return 0; + +} + + +void rtl8180_irq_rx_tasklet(struct r8180_priv * priv); + + +void rtl8180_link_change(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + u16 beacon_interval; + + struct ieee80211_network *net = &priv->ieee80211->current_network; +// rtl8180_adapter_start(dev); + rtl8180_update_msr(dev); + + + rtl8180_set_mode(dev,EPROM_CMD_CONFIG); + + write_nic_dword(dev,BSSID,((u32*)net->bssid)[0]); + write_nic_word(dev,BSSID+4,((u16*)net->bssid)[2]); + + + beacon_interval = read_nic_dword(dev,BEACON_INTERVAL); + beacon_interval &= ~ BEACON_INTERVAL_MASK; + beacon_interval |= net->beacon_interval; + write_nic_dword(dev, BEACON_INTERVAL, beacon_interval); + + rtl8180_set_mode(dev, EPROM_CMD_NORMAL); + + + /* + u16 atim = read_nic_dword(dev,ATIM); + u16 = u16 &~ ATIM_MASK; + u16 = u16 | beacon->atim; + */ +#if 0 + if (net->capability & WLAN_CAPABILITY_PRIVACY) { + if (priv->hw_wep) { + DMESG("Enabling hardware WEP support"); + rtl8180_set_hw_wep(dev); + priv->ieee80211->host_encrypt=0; + priv->ieee80211->host_decrypt=0; + } +#ifndef CONFIG_IEEE80211_NOWEP + else { + priv->ieee80211->host_encrypt=1; + priv->ieee80211->host_decrypt=1; + } +#endif + } +#ifndef CONFIG_IEEE80211_NOWEP + else{ + priv->ieee80211->host_encrypt=0; + priv->ieee80211->host_decrypt=0; + } +#endif +#endif + + + if(priv->card_8185) + rtl8180_set_chan(dev, priv->chan); + + +} + +void rtl8180_rq_tx_ack(struct net_device *dev){ + + struct r8180_priv *priv = ieee80211_priv(dev); +// printk("====================>%s\n",__func__); + write_nic_byte(dev,CONFIG4,read_nic_byte(dev,CONFIG4)|CONFIG4_PWRMGT); + priv->ack_tx_to_ieee = 1; +} + +short rtl8180_is_tx_queue_empty(struct net_device *dev){ + + struct r8180_priv *priv = ieee80211_priv(dev); + u32* d; + + for (d = priv->txmapring; + d < priv->txmapring + priv->txringcount;d+=8) + if(*d & (1<<31)) return 0; + + for (d = priv->txbkpring; + d < priv->txbkpring + priv->txringcount;d+=8) + if(*d & (1<<31)) return 0; + + for (d = priv->txbepring; + d < priv->txbepring + priv->txringcount;d+=8) + if(*d & (1<<31)) return 0; + + for (d = priv->txvipring; + d < priv->txvipring + priv->txringcount;d+=8) + if(*d & (1<<31)) return 0; + + for (d = priv->txvopring; + d < priv->txvopring + priv->txringcount;d+=8) + if(*d & (1<<31)) return 0; + + for (d = priv->txhpring; + d < priv->txhpring + priv->txringcount;d+=8) + if(*d & (1<<31)) return 0; + return 1; +} +/* FIXME FIXME 5msecs is random */ +#define HW_WAKE_DELAY 5 + +void rtl8180_hw_wakeup(struct net_device *dev) +{ + unsigned long flags; + + struct r8180_priv *priv = ieee80211_priv(dev); + + spin_lock_irqsave(&priv->ps_lock,flags); + //DMESG("Waken up!"); + write_nic_byte(dev,CONFIG4,read_nic_byte(dev,CONFIG4)&~CONFIG4_PWRMGT); + + if(priv->rf_wakeup) + priv->rf_wakeup(dev); +// mdelay(HW_WAKE_DELAY); + spin_unlock_irqrestore(&priv->ps_lock,flags); +} + +void rtl8180_hw_sleep_down(struct net_device *dev) +{ + unsigned long flags; + + struct r8180_priv *priv = ieee80211_priv(dev); + + spin_lock_irqsave(&priv->ps_lock,flags); + //DMESG("Sleep!"); + + if(priv->rf_sleep) + priv->rf_sleep(dev); + spin_unlock_irqrestore(&priv->ps_lock,flags); +} + + +void rtl8180_hw_sleep(struct net_device *dev, u32 th, u32 tl) +{ + + struct r8180_priv *priv = ieee80211_priv(dev); + + u32 rb = jiffies; + unsigned long flags; + + spin_lock_irqsave(&priv->ps_lock,flags); + + /* Writing HW register with 0 equals to disable + * the timer, that is not really what we want + */ + tl -= MSECS(4+16+7); + + //if(tl == 0) tl = 1; + + /* FIXME HACK FIXME HACK */ +// force_pci_posting(dev); + //mdelay(1); + +// rb = read_nic_dword(dev, TSFTR); + + /* If the interval in witch we are requested to sleep is too + * short then give up and remain awake + */ + if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME)) + ||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) { + spin_unlock_irqrestore(&priv->ps_lock,flags); + printk("too short to sleep\n"); + return; + } + +// write_nic_dword(dev, TimerInt, tl); +// rb = read_nic_dword(dev, TSFTR); + { + u32 tmp = (tl>rb)?(tl-rb):(rb-tl); + // if (tl<rb) + + //lzm,add,080828 + priv->DozePeriodInPast2Sec += jiffies_to_msecs(tmp); + + queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq, tmp); //as tl may be less than rb + } + /* if we suspect the TimerInt is gone beyond tl + * while setting it, then give up + */ +#if 1 + if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))|| + ((tl < rb) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))) { + spin_unlock_irqrestore(&priv->ps_lock,flags); + return; + } +#endif +// if(priv->rf_sleep) +// priv->rf_sleep(dev); + + queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_sleep_wq); + spin_unlock_irqrestore(&priv->ps_lock,flags); +} + + +//void rtl8180_wmm_param_update(struct net_device *dev,u8 *ac_param) +#if LINUX_VERSION_CODE >=KERNEL_VERSION(2,6,20) +void rtl8180_wmm_param_update(struct work_struct * work) +{ + struct ieee80211_device * ieee = container_of(work, struct ieee80211_device,wmm_param_update_wq); + //struct r8180_priv *priv = (struct r8180_priv*)(ieee->priv); + struct net_device *dev = ieee->dev; +#else +void rtl8180_wmm_param_update(struct ieee80211_device *ieee) +{ + struct net_device *dev = ieee->dev; + struct r8180_priv *priv = ieee80211_priv(dev); +#endif + u8 *ac_param = (u8 *)(ieee->current_network.wmm_param); + u8 mode = ieee->current_network.mode; + AC_CODING eACI; + AC_PARAM AcParam; + PAC_PARAM pAcParam; + u8 i; + +#ifndef CONFIG_RTL8185B + //for legacy 8185 keep the PARAM unchange. + return; +#else + if(!ieee->current_network.QoS_Enable){ + //legacy ac_xx_param update + AcParam.longData = 0; + AcParam.f.AciAifsn.f.AIFSN = 2; // Follow 802.11 DIFS. + AcParam.f.AciAifsn.f.ACM = 0; + AcParam.f.Ecw.f.ECWmin = 3; // Follow 802.11 CWmin. + AcParam.f.Ecw.f.ECWmax = 7; // Follow 802.11 CWmax. + AcParam.f.TXOPLimit = 0; + for(eACI = 0; eACI < AC_MAX; eACI++){ + AcParam.f.AciAifsn.f.ACI = (u8)eACI; + { + u8 u1bAIFS; + u32 u4bAcParam; + pAcParam = (PAC_PARAM)(&AcParam); + // Retrive paramters to udpate. + u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN *(((mode&IEEE_G) == IEEE_G)?9:20) + aSifsTime; + u4bAcParam = ((((u32)(pAcParam->f.TXOPLimit))<<AC_PARAM_TXOP_LIMIT_OFFSET)| + (((u32)(pAcParam->f.Ecw.f.ECWmax))<<AC_PARAM_ECW_MAX_OFFSET)| + (((u32)(pAcParam->f.Ecw.f.ECWmin))<<AC_PARAM_ECW_MIN_OFFSET)| + (((u32)u1bAIFS) << AC_PARAM_AIFS_OFFSET)); + switch(eACI){ + case AC1_BK: + write_nic_dword(dev, AC_BK_PARAM, u4bAcParam); + break; + + case AC0_BE: + write_nic_dword(dev, AC_BE_PARAM, u4bAcParam); + break; + + case AC2_VI: + write_nic_dword(dev, AC_VI_PARAM, u4bAcParam); + break; + + case AC3_VO: + write_nic_dword(dev, AC_VO_PARAM, u4bAcParam); + break; + + default: + printk(KERN_WARNING "SetHwReg8185():invalid ACI: %d!\n", eACI); + break; + } + } + } + return; + } + + for(i = 0; i < AC_MAX; i++){ + //AcParam.longData = 0; + pAcParam = (AC_PARAM * )ac_param; + { + AC_CODING eACI; + u8 u1bAIFS; + u32 u4bAcParam; + + // Retrive paramters to udpate. + eACI = pAcParam->f.AciAifsn.f.ACI; + //Mode G/A: slotTimeTimer = 9; Mode B: 20 + u1bAIFS = pAcParam->f.AciAifsn.f.AIFSN * (((mode&IEEE_G) == IEEE_G)?9:20) + aSifsTime; + u4bAcParam = ( (((u32)(pAcParam->f.TXOPLimit)) << AC_PARAM_TXOP_LIMIT_OFFSET) | + (((u32)(pAcParam->f.Ecw.f.ECWmax)) << AC_PARAM_ECW_MAX_OFFSET) | + (((u32)(pAcParam->f.Ecw.f.ECWmin)) << AC_PARAM_ECW_MIN_OFFSET) | + (((u32)u1bAIFS) << AC_PARAM_AIFS_OFFSET)); + + switch(eACI){ + case AC1_BK: + write_nic_dword(dev, AC_BK_PARAM, u4bAcParam); + break; + + case AC0_BE: + write_nic_dword(dev, AC_BE_PARAM, u4bAcParam); + break; + + case AC2_VI: + write_nic_dword(dev, AC_VI_PARAM, u4bAcParam); + break; + + case AC3_VO: + write_nic_dword(dev, AC_VO_PARAM, u4bAcParam); + break; + + default: + printk(KERN_WARNING "SetHwReg8185(): invalid ACI: %d !\n", eACI); + break; + } + } + ac_param += (sizeof(AC_PARAM)); + } +#endif +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void rtl8180_tx_irq_wq(struct work_struct *work); +#else +void rtl8180_tx_irq_wq(struct net_device *dev); +#endif + + + + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void rtl8180_restart_wq(struct work_struct *work); +//void rtl8180_rq_tx_ack(struct work_struct *work); +#else + void rtl8180_restart_wq(struct net_device *dev); +//void rtl8180_rq_tx_ack(struct net_device *dev); +#endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void rtl8180_watch_dog_wq(struct work_struct *work); +#else +void rtl8180_watch_dog_wq(struct net_device *dev); +#endif +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void rtl8180_hw_wakeup_wq(struct work_struct *work); +#else +void rtl8180_hw_wakeup_wq(struct net_device *dev); +#endif + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void rtl8180_hw_sleep_wq(struct work_struct *work); +#else +void rtl8180_hw_sleep_wq(struct net_device *dev); +#endif + + + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void rtl8180_sw_antenna_wq(struct work_struct *work); +#else +void rtl8180_sw_antenna_wq(struct net_device *dev); +#endif + void rtl8180_watch_dog(struct net_device *dev); +void watch_dog_adaptive(unsigned long data) +{ + struct r8180_priv* priv = ieee80211_priv((struct net_device *)data); +// DMESG("---->watch_dog_adaptive()\n"); + if(!priv->up) + { + DMESG("<----watch_dog_adaptive():driver is not up!\n"); + return; + } + + // queue_work(priv->ieee80211->wq,&priv->ieee80211->watch_dog_wq); +//{by amy 080312 +#if 1 + // Tx High Power Mechanism. +#ifdef HIGH_POWER + if(CheckHighPower((struct net_device *)data)) + { + queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->tx_pw_wq); + } +#endif + +#ifdef CONFIG_RTL818X_S + // Tx Power Tracking on 87SE. +#ifdef TX_TRACK + //if( priv->bTxPowerTrack ) //lzm mod 080826 + if( CheckTxPwrTracking((struct net_device *)data)); + TxPwrTracking87SE((struct net_device *)data); +#endif +#endif + + // Perform DIG immediately. +#ifdef SW_DIG + if(CheckDig((struct net_device *)data) == true) + { + queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_dig_wq); + } +#endif +#endif +//by amy 080312} + rtl8180_watch_dog((struct net_device *)data); + + + queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->GPIOChangeRFWorkItem); + + priv->watch_dog_timer.expires = jiffies + MSECS(IEEE80211_WATCH_DOG_TIME); + add_timer(&priv->watch_dog_timer); +// DMESG("<----watch_dog_adaptive()\n"); +} + +#ifdef ENABLE_DOT11D + +static CHANNEL_LIST ChannelPlan[] = { + {{1,2,3,4,5,6,7,8,9,10,11,36,40,44,48,52,56,60,64},19}, //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 + {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //Spain. Change to ETSI. + {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //France. Change to ETSI. + {{14,36,40,44,48,52,56,60,64},9}, //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 + {{1,2,3,4,5,6,7,8,9,10,11,12,13,36,40,44,48,52,56,60,64},21}, //Israel. + {{1,2,3,4,5,6,7,8,9,10,11,12,13,34,38,42,46},17}, // For 11a , TELEC + {{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 + {{1,2,3,4,5,6,7,8,9,10,11,12,13},13} //world wide 13: ch1~ch11 active scan, ch12~13 passive //lzm add 080826 +}; + +static void rtl8180_set_channel_map(u8 channel_plan, struct ieee80211_device *ieee) +{ + int i; + + //lzm add 080826 + ieee->MinPassiveChnlNum=MAX_CHANNEL_NUMBER+1; + ieee->IbssStartChnl=0; + + 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: + { + Dot11d_Init(ieee); + ieee->bGlobalDomain = false; + 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] <= 14) + GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan[channel_plan].Channel[i]] = 1; + } + } + break; + } + case COUNTRY_CODE_GLOBAL_DOMAIN: + { + GET_DOT11D_INFO(ieee)->bEnabled = 0; + Dot11d_Reset(ieee); + ieee->bGlobalDomain = true; + break; + } + case COUNTRY_CODE_WORLD_WIDE_13_INDEX://lzm add 080826 + { + ieee->MinPassiveChnlNum=12; + ieee->IbssStartChnl= 10; + break; + } + default: + { + Dot11d_Init(ieee); + ieee->bGlobalDomain = false; + memset(GET_DOT11D_INFO(ieee)->channel_map, 0, sizeof(GET_DOT11D_INFO(ieee)->channel_map)); + for (i=1;i<=14;i++) + { + GET_DOT11D_INFO(ieee)->channel_map[i] = 1; + } + break; + } + } +} +#endif + +//Add for RF power on power off by lizhaoming 080512 +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void GPIOChangeRFWorkItemCallBack(struct work_struct *work); +#else +void GPIOChangeRFWorkItemCallBack(struct ieee80211_device *ieee); +#endif + +//YJ,add,080828 +static void rtl8180_statistics_init(struct Stats *pstats) +{ + memset(pstats, 0, sizeof(struct Stats)); +} +static void rtl8180_link_detect_init(plink_detect_t plink_detect) +{ + memset(plink_detect, 0, sizeof(link_detect_t)); + plink_detect->SlotNum = DEFAULT_SLOT_NUM; +} +//YJ,add,080828,end + +short rtl8180_init(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + u16 word; + u16 version; + u8 hw_version; + //u8 config3; + u32 usValue; + u16 tmpu16; + int i, j; + +#ifdef ENABLE_DOT11D +#if 0 + for(i=0;i<0xFF;i++) { + if(i%16 == 0) + printk("\n[%x]: ", i/16); + printk("\t%4.4x", eprom_read(dev,i)); + } +#endif + priv->channel_plan = eprom_read(dev, EEPROM_COUNTRY_CODE>>1) & 0xFF; + if(priv->channel_plan > COUNTRY_CODE_GLOBAL_DOMAIN){ + printk("rtl8180_init:Error channel plan! Set to default.\n"); + priv->channel_plan = 0; + } + //priv->channel_plan = 9; //Global Domain + + DMESG("Channel plan is %d\n",priv->channel_plan); + rtl8180_set_channel_map(priv->channel_plan, priv->ieee80211); +#else + int ch; + //Set Default Channel Plan + if(!channels){ + DMESG("No channels, aborting"); + return -1; + } + ch=channels; + priv->channel_plan = 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 + + //memcpy(priv->stats,0,sizeof(struct Stats)); + + //FIXME: these constants are placed in a bad pleace. + priv->txbuffsize = 2048;//1024; + priv->txringcount = 32;//32; + priv->rxbuffersize = 2048;//1024; + priv->rxringcount = 64;//32; + priv->txbeaconcount = 2; + priv->rx_skb_complete = 1; + //priv->txnp_pending.ispending=0; + /* ^^ the SKB does not containt a partial RXed + * packet (is empty) + */ + +#ifdef CONFIG_RTL8185B +#ifdef CONFIG_RTL818X_S + priv->RegThreeWireMode = HW_THREE_WIRE_SI; +#else + priv->RegThreeWireMode = SW_THREE_WIRE; +#endif +#endif + +//Add for RF power on power off by lizhaoming 080512 + priv->RFChangeInProgress = false; + priv->SetRFPowerStateInProgress = false; + priv->RFProgType = 0; + priv->bInHctTest = false; + + priv->irq_enabled=0; + +//YJ,modified,080828 +#if 0 + priv->stats.rxdmafail=0; + priv->stats.txrdu=0; + priv->stats.rxrdu=0; + priv->stats.rxnolast=0; + priv->stats.rxnodata=0; + //priv->stats.rxreset=0; + //priv->stats.rxwrkaround=0; + priv->stats.rxnopointer=0; + priv->stats.txnperr=0; + priv->stats.txresumed=0; + priv->stats.rxerr=0; + priv->stats.rxoverflow=0; + priv->stats.rxint=0; + priv->stats.txnpokint=0; + priv->stats.txhpokint=0; + priv->stats.txhperr=0; + priv->stats.ints=0; + priv->stats.shints=0; + priv->stats.txoverflow=0; + priv->stats.txbeacon=0; + priv->stats.txbeaconerr=0; + priv->stats.txlperr=0; + priv->stats.txlpokint=0; + priv->stats.txretry=0;//tony 20060601 + priv->stats.rxcrcerrmin=0; + priv->stats.rxcrcerrmid=0; + priv->stats.rxcrcerrmax=0; + priv->stats.rxicverr=0; +#else + rtl8180_statistics_init(&priv->stats); + rtl8180_link_detect_init(&priv->link_detect); +#endif +//YJ,modified,080828,end + + + priv->ack_tx_to_ieee = 0; + priv->ieee80211->current_network.beacon_interval = DEFAULT_BEACONINTERVAL; + priv->ieee80211->iw_mode = IW_MODE_INFRA; + priv->ieee80211->softmac_features = IEEE_SOFTMAC_SCAN | + IEEE_SOFTMAC_ASSOCIATE | IEEE_SOFTMAC_PROBERQ | + IEEE_SOFTMAC_PROBERS | IEEE_SOFTMAC_TX_QUEUE; + priv->ieee80211->active_scan = 1; + priv->ieee80211->rate = 110; //11 mbps + priv->ieee80211->modulation = IEEE80211_CCK_MODULATION; + priv->ieee80211->host_encrypt = 1; + priv->ieee80211->host_decrypt = 1; + priv->ieee80211->sta_wake_up = rtl8180_hw_wakeup; + priv->ieee80211->ps_request_tx_ack = rtl8180_rq_tx_ack; + priv->ieee80211->enter_sleep_state = rtl8180_hw_sleep; + priv->ieee80211->ps_is_queue_empty = rtl8180_is_tx_queue_empty; + + priv->hw_wep = hwwep; + priv->prism_hdr=0; + priv->dev=dev; + priv->retry_rts = DEFAULT_RETRY_RTS; + priv->retry_data = DEFAULT_RETRY_DATA; + priv->RFChangeInProgress = false; + priv->SetRFPowerStateInProgress = false; + priv->RFProgType = 0; + priv->bInHctTest = false; + priv->bInactivePs = true;//false; + priv->ieee80211->bInactivePs = priv->bInactivePs; + priv->bSwRfProcessing = false; + priv->eRFPowerState = eRfOff; + priv->RfOffReason = 0; + priv->LedStrategy = SW_LED_MODE0; + //priv->NumRxOkInPeriod = 0; //YJ,del,080828 + //priv->NumTxOkInPeriod = 0; //YJ,del,080828 + priv->TxPollingTimes = 0;//lzm add 080826 + priv->bLeisurePs = true; + priv->dot11PowerSaveMode = eActive; +//by amy for antenna + priv->AdMinCheckPeriod = 5; + priv->AdMaxCheckPeriod = 10; +// Lower signal strength threshold to fit the HW participation in antenna diversity. +by amy 080312 + priv->AdMaxRxSsThreshold = 30;//60->30 + priv->AdRxSsThreshold = 20;//50->20 + priv->AdCheckPeriod = priv->AdMinCheckPeriod; + priv->AdTickCount = 0; + priv->AdRxSignalStrength = -1; + priv->RegSwAntennaDiversityMechanism = 0; + priv->RegDefaultAntenna = 0; + priv->SignalStrength = 0; + priv->AdRxOkCnt = 0; + priv->CurrAntennaIndex = 0; + priv->AdRxSsBeforeSwitched = 0; + init_timer(&priv->SwAntennaDiversityTimer); + priv->SwAntennaDiversityTimer.data = (unsigned long)dev; + priv->SwAntennaDiversityTimer.function = (void *)SwAntennaDiversityTimerCallback; +//by amy for antenna +//{by amy 080312 + priv->bDigMechanism = 1; + priv->InitialGain = 6; + priv->bXtalCalibration = false; + priv->XtalCal_Xin = 0; + priv->XtalCal_Xout = 0; + priv->bTxPowerTrack = false; + priv->ThermalMeter = 0; + priv->FalseAlarmRegValue = 0; + priv->RegDigOfdmFaUpTh = 0xc; // Upper threhold of OFDM false alarm, which is used in DIG. + priv->DIG_NumberFallbackVote = 0; + priv->DIG_NumberUpgradeVote = 0; + priv->LastSignalStrengthInPercent = 0; + priv->Stats_SignalStrength = 0; + priv->LastRxPktAntenna = 0; + priv->SignalQuality = 0; // in 0-100 index. + priv->Stats_SignalQuality = 0; + priv->RecvSignalPower = 0; // in dBm. + priv->Stats_RecvSignalPower = 0; + priv->AdMainAntennaRxOkCnt = 0; + priv->AdAuxAntennaRxOkCnt = 0; + priv->bHWAdSwitched = false; + priv->bRegHighPowerMechanism = true; + priv->RegHiPwrUpperTh = 77; + priv->RegHiPwrLowerTh = 75; + priv->RegRSSIHiPwrUpperTh = 70; + priv->RegRSSIHiPwrLowerTh = 20; + priv->bCurCCKPkt = false; + priv->UndecoratedSmoothedSS = -1; + priv->bToUpdateTxPwr = false; + priv->CurCCKRSSI = 0; + priv->RxPower = 0; + priv->RSSI = 0; + //YJ,add,080828 + priv->NumTxOkTotal = 0; + priv->NumTxUnicast = 0; + priv->keepAliveLevel = DEFAULT_KEEP_ALIVE_LEVEL; + priv->PowerProfile = POWER_PROFILE_AC; + //YJ,add,080828,end +//by amy for rate adaptive + priv->CurrRetryCnt=0; + priv->LastRetryCnt=0; + priv->LastTxokCnt=0; + priv->LastRxokCnt=0; + priv->LastRetryRate=0; + priv->bTryuping=0; + priv->CurrTxRate=0; + priv->CurrRetryRate=0; + priv->TryupingCount=0; + priv->TryupingCountNoData=0; + priv->TryDownCountLowData=0; + priv->LastTxOKBytes=0; + priv->LastFailTxRate=0; + priv->LastFailTxRateSS=0; + priv->FailTxRateCount=0; + priv->LastTxThroughput=0; + priv->NumTxOkBytesTotal=0; + priv->ForcedDataRate = 0; + priv->RegBModeGainStage = 1; + +//by amy for rate adaptive +//by amy 080312} + priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0; + spin_lock_init(&priv->irq_lock); + spin_lock_init(&priv->irq_th_lock); + spin_lock_init(&priv->tx_lock); + spin_lock_init(&priv->ps_lock); + spin_lock_init(&priv->rf_ps_lock); + sema_init(&priv->wx_sem,1); + sema_init(&priv->rf_state,1); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) + INIT_WORK(&priv->reset_wq,(void*) rtl8180_restart_wq); + INIT_WORK(&priv->tx_irq_wq,(void*) rtl8180_tx_irq_wq); + INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq,(void*) rtl8180_hw_wakeup_wq); + INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq,(void*) rtl8180_hw_sleep_wq); + //INIT_DELAYED_WORK(&priv->ieee80211->watch_dog_wq,(void*) rtl8180_watch_dog_wq); + //INIT_DELAYED_WORK(&priv->ieee80211->sw_antenna_wq,(void*) rtl8180_sw_antenna_wq); + INIT_WORK(&priv->ieee80211->wmm_param_update_wq,(void*) rtl8180_wmm_param_update); + INIT_DELAYED_WORK(&priv->ieee80211->rate_adapter_wq,(void*)rtl8180_rate_adapter);//+by amy 080312 + INIT_DELAYED_WORK(&priv->ieee80211->hw_dig_wq,(void*)rtl8180_hw_dig_wq);//+by amy 080312 + INIT_DELAYED_WORK(&priv->ieee80211->tx_pw_wq,(void*)rtl8180_tx_pw_wq);//+by amy 080312 + + //add for RF power on power off by lizhaoming 080512 + INIT_DELAYED_WORK(&priv->ieee80211->GPIOChangeRFWorkItem,(void*) GPIOChangeRFWorkItemCallBack); +#else + INIT_WORK(&priv->reset_wq,(void*) rtl8180_restart_wq,dev); + INIT_WORK(&priv->tx_irq_wq,(void*) rtl8180_tx_irq_wq,dev); + //INIT_WORK(&priv->ieee80211->watch_dog_wq,(void*) rtl8180_watch_dog_wq,dev); + INIT_WORK(&priv->ieee80211->hw_wakeup_wq,(void*) rtl8180_hw_wakeup_wq,dev); + INIT_WORK(&priv->ieee80211->hw_sleep_wq,(void*) rtl8180_hw_sleep_wq,dev); + //INIT_WORK(&priv->ieee80211->sw_antenna_wq,(void*) rtl8180_sw_antenna_wq,dev); + INIT_WORK(&priv->ieee80211->wmm_param_update_wq,(void*) rtl8180_wmm_param_update,priv->ieee80211); + INIT_WORK(&priv->ieee80211->rate_adapter_wq,(void*)rtl8180_rate_adapter,dev);//+by amy 080312 + INIT_WORK(&priv->ieee80211->hw_dig_wq,(void*)rtl8180_hw_dig_wq,dev);//+by amy 080312 + INIT_WORK(&priv->ieee80211->tx_pw_wq,(void*)rtl8180_tx_pw_wq,dev);//+by amy 080312 + + //add for RF power on power off by lizhaoming 080512 + INIT_WORK(&priv->ieee80211->GPIOChangeRFWorkItem,(void*) GPIOChangeRFWorkItemCallBack, priv->ieee80211); +#endif + //INIT_WORK(&priv->reset_wq,(void*) rtl8180_restart_wq,dev); + + tasklet_init(&priv->irq_rx_tasklet, + (void(*)(unsigned long)) rtl8180_irq_rx_tasklet, + (unsigned long)priv); +//by amy + init_timer(&priv->watch_dog_timer); + priv->watch_dog_timer.data = (unsigned long)dev; + priv->watch_dog_timer.function = watch_dog_adaptive; +//by amy + +//{by amy 080312 +//by amy for rate adaptive + init_timer(&priv->rateadapter_timer); + priv->rateadapter_timer.data = (unsigned long)dev; + priv->rateadapter_timer.function = timer_rate_adaptive; + priv->RateAdaptivePeriod= RATE_ADAPTIVE_TIMER_PERIOD; + priv->bEnhanceTxPwr=false; +//by amy for rate adaptive +//by amy 080312} + //priv->ieee80211->func = + // kmalloc(sizeof(struct ieee80211_helper_functions),GFP_KERNEL); + //memset(priv->ieee80211->func, 0, + // sizeof(struct ieee80211_helper_functions)); + + priv->ieee80211->softmac_hard_start_xmit = rtl8180_hard_start_xmit; + priv->ieee80211->set_chan = rtl8180_set_chan; + priv->ieee80211->link_change = rtl8180_link_change; + priv->ieee80211->softmac_data_hard_start_xmit = rtl8180_hard_data_xmit; + priv->ieee80211->data_hard_stop = rtl8180_data_hard_stop; + priv->ieee80211->data_hard_resume = rtl8180_data_hard_resume; + + priv->ieee80211->init_wmmparam_flag = 0; + + priv->ieee80211->start_send_beacons = rtl8180_start_tx_beacon; + priv->ieee80211->stop_send_beacons = rtl8180_beacon_tx_disable; + priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD; + +#ifdef CONFIG_RTL8185B + priv->MWIEnable = 0; + + priv->ShortRetryLimit = 7; + priv->LongRetryLimit = 7; + priv->EarlyRxThreshold = 7; + + priv->CSMethod = (0x01 << 29); + + priv->TransmitConfig = + 1<<TCR_DurProcMode_OFFSET | //for RTL8185B, duration setting by HW + (7<<TCR_MXDMA_OFFSET) | // Max DMA Burst Size per Tx DMA Burst, 7: reservied. + (priv->ShortRetryLimit<<TCR_SRL_OFFSET) | // Short retry limit + (priv->LongRetryLimit<<TCR_LRL_OFFSET) | // Long retry limit + (0 ? TCR_SAT : 0); // FALSE: HW provies PLCP length and LENGEXT, TURE: SW proiveds them + + priv->ReceiveConfig = +#ifdef CONFIG_RTL818X_S +#else + priv->CSMethod | +#endif +// RCR_ENMARP | + RCR_AMF | RCR_ADF | //accept management/data + RCR_ACF | //accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko. + RCR_AB | RCR_AM | RCR_APM | //accept BC/MC/UC + //RCR_AICV | RCR_ACRC32 | //accept ICV/CRC error packet + (7<<RCR_MXDMA_OFFSET) | // Max DMA Burst Size per Rx DMA Burst, 7: unlimited. + (priv->EarlyRxThreshold<<RCR_FIFO_OFFSET) | // Rx FIFO Threshold, 7: No Rx threshold. + (priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT:0); + + priv->IntrMask = IMR_TMGDOK | IMR_TBDER | IMR_THPDER | + IMR_THPDER | IMR_THPDOK | + IMR_TVODER | IMR_TVODOK | + IMR_TVIDER | IMR_TVIDOK | + IMR_TBEDER | IMR_TBEDOK | + IMR_TBKDER | IMR_TBKDOK | + IMR_RDU | // To handle the defragmentation not enough Rx descriptors case. Annie, 2006-03-27. + IMR_RER | IMR_ROK | + IMR_RQoSOK; // <NOTE> ROK and RQoSOK are mutually exclusive, so, we must handle RQoSOK interrupt to receive QoS frames, 2005.12.09, by rcnjko. + + priv->InitialGain = 6; +#endif + + hw_version =( read_nic_dword(dev, TCR) & TCR_HWVERID_MASK)>>TCR_HWVERID_SHIFT; + + switch (hw_version){ +#ifdef CONFIG_RTL8185B + case HW_VERID_R8185B_B: +#ifdef CONFIG_RTL818X_S + priv->card_8185 = VERSION_8187S_C; + DMESG("MAC controller is a RTL8187SE b/g"); + priv->phy_ver = 2; + break; +#else + DMESG("MAC controller is a RTL8185B b/g"); + priv->card_8185 = 3; + priv->phy_ver = 2; + break; +#endif +#endif + case HW_VERID_R8185_ABC: + DMESG("MAC controller is a RTL8185 b/g"); + priv->card_8185 = 1; + /* you should not find a card with 8225 PHY ver < C*/ + priv->phy_ver = 2; + break; + + case HW_VERID_R8185_D: + DMESG("MAC controller is a RTL8185 b/g (V. D)"); + priv->card_8185 = 2; + /* you should not find a card with 8225 PHY ver < C*/ + priv->phy_ver = 2; + break; + + case HW_VERID_R8180_ABCD: + DMESG("MAC controller is a RTL8180"); + priv->card_8185 = 0; + break; + + case HW_VERID_R8180_F: + DMESG("MAC controller is a RTL8180 (v. F)"); + priv->card_8185 = 0; + break; + + default: + DMESGW("MAC chip not recognized: version %x. Assuming RTL8180",hw_version); + priv->card_8185 = 0; + break; + } + + if(priv->card_8185){ + priv->ieee80211->modulation |= IEEE80211_OFDM_MODULATION; + priv->ieee80211->short_slot = 1; + } + /* you should not found any 8185 Ver B Card */ + priv->card_8185_Bversion = 0; + +#ifdef CONFIG_RTL8185B +#ifdef CONFIG_RTL818X_S + // just for sync 85 + priv->card_type = PCI; + DMESG("This is a PCI NIC"); +#else + config3 = read_nic_byte(dev, CONFIG3); + if(config3 & 0x8){ + priv->card_type = CARDBUS; + DMESG("This is a CARDBUS NIC"); + } + else if( config3 & 0x4){ + priv->card_type = MINIPCI; + DMESG("This is a MINI-PCI NIC"); + }else{ + priv->card_type = PCI; + DMESG("This is a PCI NIC"); + } +#endif +#endif + priv->enable_gpio0 = 0; + +//by amy for antenna +#ifdef CONFIG_RTL8185B + usValue = eprom_read(dev, EEPROM_SW_REVD_OFFSET); + DMESG("usValue is 0x%x\n",usValue); +#ifdef CONFIG_RTL818X_S + //3Read AntennaDiversity + // SW Antenna Diversity. + if( (usValue & EEPROM_SW_AD_MASK) != EEPROM_SW_AD_ENABLE ) + { + priv->EEPROMSwAntennaDiversity = false; + //printk("EEPROM Disable SW Antenna Diversity\n"); + } + else + { + priv->EEPROMSwAntennaDiversity = true; + //printk("EEPROM Enable SW Antenna Diversity\n"); + } + // Default Antenna to use. + if( (usValue & EEPROM_DEF_ANT_MASK) != EEPROM_DEF_ANT_1 ) + { + priv->EEPROMDefaultAntenna1 = false; + //printk("EEPROM Default Antenna 0\n"); + } + else + { + priv->EEPROMDefaultAntenna1 = true; + //printk("EEPROM Default Antenna 1\n"); + } + + // + // Antenna diversity mechanism. Added by Roger, 2007.11.05. + // + if( priv->RegSwAntennaDiversityMechanism == 0 ) // Auto + {// 0: default from EEPROM. + priv->bSwAntennaDiverity = priv->EEPROMSwAntennaDiversity; + } + else + {// 1:disable antenna diversity, 2: enable antenna diversity. + priv->bSwAntennaDiverity = ((priv->RegSwAntennaDiversityMechanism == 1)? false : true); + } + //printk("bSwAntennaDiverity = %d\n", priv->bSwAntennaDiverity); + + + // + // Default antenna settings. Added by Roger, 2007.11.05. + // + if( priv->RegDefaultAntenna == 0) + {// 0: default from EEPROM. + priv->bDefaultAntenna1 = priv->EEPROMDefaultAntenna1; + } + else + {// 1: main, 2: aux. + priv->bDefaultAntenna1 = ((priv->RegDefaultAntenna== 2) ? true : false); + } + //printk("bDefaultAntenna1 = %d\n", priv->bDefaultAntenna1); +#endif +#endif +//by amy for antenna + /* rtl8185 can calc plcp len in HW.*/ + priv->hw_plcp_len = 1; + + priv->plcp_preamble_mode = 2; + /*the eeprom type is stored in RCR register bit #6 */ + if (RCR_9356SEL & read_nic_dword(dev, RCR)){ + priv->epromtype=EPROM_93c56; + //DMESG("Reported EEPROM chip is a 93c56 (2Kbit)"); + }else{ + priv->epromtype=EPROM_93c46; + //DMESG("Reported EEPROM chip is a 93c46 (1Kbit)"); + } + + dev->get_stats = rtl8180_stats; + + dev->dev_addr[0]=eprom_read(dev,MAC_ADR) & 0xff; + dev->dev_addr[1]=(eprom_read(dev,MAC_ADR) & 0xff00)>>8; + dev->dev_addr[2]=eprom_read(dev,MAC_ADR+1) & 0xff; + dev->dev_addr[3]=(eprom_read(dev,MAC_ADR+1) & 0xff00)>>8; + dev->dev_addr[4]=eprom_read(dev,MAC_ADR+2) & 0xff; + dev->dev_addr[5]=(eprom_read(dev,MAC_ADR+2) & 0xff00)>>8; + //DMESG("Card MAC address is "MAC_FMT, MAC_ARG(dev->dev_addr)); + + + for(i=1,j=0; i<14; i+=2,j++){ + + word = eprom_read(dev,EPROM_TXPW_CH1_2 + j); + priv->chtxpwr[i]=word & 0xff; + priv->chtxpwr[i+1]=(word & 0xff00)>>8; +#ifdef DEBUG_EPROM + DMESG("tx word %x:%x",j,word); + DMESG("ch %d pwr %x",i,priv->chtxpwr[i]); + DMESG("ch %d pwr %x",i+1,priv->chtxpwr[i+1]); +#endif + } + if(priv->card_8185){ + for(i=1,j=0; i<14; i+=2,j++){ + + word = eprom_read(dev,EPROM_TXPW_OFDM_CH1_2 + j); + priv->chtxpwr_ofdm[i]=word & 0xff; + priv->chtxpwr_ofdm[i+1]=(word & 0xff00)>>8; +#ifdef DEBUG_EPROM + DMESG("ofdm tx word %x:%x",j,word); + DMESG("ofdm ch %d pwr %x",i,priv->chtxpwr_ofdm[i]); + DMESG("ofdm ch %d pwr %x",i+1,priv->chtxpwr_ofdm[i+1]); +#endif + } + } +//{by amy 080312 + //3Read crystal calibtration and thermal meter indication on 87SE. + + // By SD3 SY's request. Added by Roger, 2007.12.11. + + tmpu16 = eprom_read(dev, EEPROM_RSV>>1); + + //printk("ReadAdapterInfo8185(): EEPROM_RSV(%04x)\n", tmpu16); + + // Crystal calibration for Xin and Xout resp. + priv->XtalCal_Xout = tmpu16 & EEPROM_XTAL_CAL_XOUT_MASK; // 0~7.5pF + priv->XtalCal_Xin = (tmpu16 & EEPROM_XTAL_CAL_XIN_MASK)>>4; // 0~7.5pF + if((tmpu16 & EEPROM_XTAL_CAL_ENABLE)>>12) + priv->bXtalCalibration = true; + + // Thermal meter reference indication. + priv->ThermalMeter = (u8)((tmpu16 & EEPROM_THERMAL_METER_MASK)>>8); + if((tmpu16 & EEPROM_THERMAL_METER_ENABLE)>>13) + priv->bTxPowerTrack = true; + +//by amy 080312} +#ifdef CONFIG_RTL8185B + word = eprom_read(dev,EPROM_TXPW_BASE); + priv->cck_txpwr_base = word & 0xf; + priv->ofdm_txpwr_base = (word>>4) & 0xf; +#endif + + version = eprom_read(dev,EPROM_VERSION); + DMESG("EEPROM version %x",version); + if( (!priv->card_8185) && version < 0x0101){ + DMESG ("EEPROM version too old, assuming defaults"); + DMESG ("If you see this message *plase* send your \ +DMESG output to andreamrl@tiscali.it THANKS"); + priv->digphy=1; + priv->antb=0; + priv->diversity=1; + priv->cs_treshold=0xc; + priv->rcr_csense=1; + priv->rf_chip=RFCHIPID_PHILIPS; + }else{ + if(!priv->card_8185){ + u8 rfparam = eprom_read(dev,RF_PARAM); + DMESG("RfParam: %x",rfparam); + + priv->digphy = rfparam & (1<<RF_PARAM_DIGPHY_SHIFT) ? 0:1; + priv->antb = rfparam & (1<<RF_PARAM_ANTBDEFAULT_SHIFT) ? 1:0; + + priv->rcr_csense = (rfparam & RF_PARAM_CARRIERSENSE_MASK) >> + RF_PARAM_CARRIERSENSE_SHIFT; + + priv->diversity = + (read_nic_byte(dev,CONFIG2)&(1<<CONFIG2_ANTENNA_SHIFT)) ? 1:0; + }else{ + priv->rcr_csense = 3; + } + + priv->cs_treshold = (eprom_read(dev,ENERGY_TRESHOLD)&0xff00) >>8; + + priv->rf_chip = 0xff & eprom_read(dev,RFCHIPID); + } + +#ifdef CONFIG_RTL8185B +#ifdef CONFIG_RTL818X_S + priv->rf_chip = RF_ZEBRA4; + priv->rf_sleep = rtl8225z4_rf_sleep; + priv->rf_wakeup = rtl8225z4_rf_wakeup; +#else + priv->rf_chip = RF_ZEBRA2; +#endif + //DMESG("Card reports RF frontend Realtek 8225z2"); + //DMESGW("This driver has EXPERIMENTAL support for this chipset."); + //DMESGW("use it with care and at your own risk and"); + DMESGW("**PLEASE** REPORT SUCCESSFUL/UNSUCCESSFUL TO Realtek!"); + + priv->rf_close = rtl8225z2_rf_close; + priv->rf_init = rtl8225z2_rf_init; + priv->rf_set_chan = rtl8225z2_rf_set_chan; + priv->rf_set_sens = NULL; + //priv->rf_sleep = rtl8225_rf_sleep; + //priv->rf_wakeup = rtl8225_rf_wakeup; + +#else + /* check RF frontend chipset */ + switch (priv->rf_chip) { + + case RFCHIPID_RTL8225: + + if(priv->card_8185){ + DMESG("Card reports RF frontend Realtek 8225"); + DMESGW("This driver has EXPERIMENTAL support for this chipset."); + DMESGW("use it with care and at your own risk and"); + DMESGW("**PLEASE** REPORT SUCCESS/INSUCCESS TO andreamrl@tiscali.it"); + + priv->rf_close = rtl8225_rf_close; + priv->rf_init = rtl8225_rf_init; + priv->rf_set_chan = rtl8225_rf_set_chan; + priv->rf_set_sens = NULL; + priv->rf_sleep = rtl8225_rf_sleep; + priv->rf_wakeup = rtl8225_rf_wakeup; + + }else{ + DMESGW("Detected RTL8225 radio on a card recognized as RTL8180"); + DMESGW("This could not be... something went wrong...."); + return -ENODEV; + } + break; + + case RFCHIPID_RTL8255: + if(priv->card_8185){ + DMESG("Card reports RF frontend Realtek 8255"); + DMESGW("This driver has EXPERIMENTAL support for this chipset."); + DMESGW("use it with care and at your own risk and"); + DMESGW("**PLEASE** REPORT SUCCESS/INSUCCESS TO andreamrl@tiscali.it"); + + priv->rf_close = rtl8255_rf_close; + priv->rf_init = rtl8255_rf_init; + priv->rf_set_chan = rtl8255_rf_set_chan; + priv->rf_set_sens = NULL; + priv->rf_sleep = NULL; + priv->rf_wakeup = NULL; + + }else{ + DMESGW("Detected RTL8255 radio on a card recognized as RTL8180"); + DMESGW("This could not be... something went wrong...."); + return -ENODEV; + } + break; + + + case RFCHIPID_INTERSIL: + DMESGW("Card reports RF frontend by Intersil."); + DMESGW("This driver has NO support for this chipset."); + return -ENODEV; + break; + + case RFCHIPID_RFMD: + DMESGW("Card reports RF frontend by RFMD."); + DMESGW("This driver has NO support for this chipset."); + return -ENODEV; + break; + + case RFCHIPID_GCT: + DMESGW("Card reports RF frontend by GCT."); + DMESGW("This driver has EXPERIMENTAL support for this chipset."); + DMESGW("use it with care and at your own risk and"); + DMESGW("**PLEASE** REPORT SUCCESS/INSUCCESS TO andreamrl@tiscali.it"); + priv->rf_close = gct_rf_close; + priv->rf_init = gct_rf_init; + priv->rf_set_chan = gct_rf_set_chan; + priv->rf_set_sens = NULL; + priv->rf_sleep = NULL; + priv->rf_wakeup = NULL; + break; + + case RFCHIPID_MAXIM: + DMESGW("Card reports RF frontend by MAXIM."); + DMESGW("This driver has EXPERIMENTAL support for this chipset."); + DMESGW("use it with care and at your own risk and"); + DMESGW("**PLEASE** REPORT SUCCESS/INSUCCESS TO andreamrl@tiscali.it"); + priv->rf_close = maxim_rf_close; + priv->rf_init = maxim_rf_init; + priv->rf_set_chan = maxim_rf_set_chan; + priv->rf_set_sens = NULL; + priv->rf_sleep = NULL; + priv->rf_wakeup = NULL; + break; + + case RFCHIPID_PHILIPS: + DMESG("Card reports RF frontend by Philips."); + DMESG("OK! Philips SA2400 radio chipset is supported."); + priv->rf_close = sa2400_rf_close; + priv->rf_init = sa2400_rf_init; + priv->rf_set_chan = sa2400_rf_set_chan; + priv->rf_set_sens = sa2400_rf_set_sens; + priv->sens = SA2400_RF_DEF_SENS; /* default sensitivity */ + priv->max_sens = SA2400_RF_MAX_SENS; /* maximum sensitivity */ + priv->rf_sleep = NULL; + priv->rf_wakeup = NULL; + + if(priv->digphy){ + DMESGW("Digital PHY found"); + DMESGW("Philips DIGITAL PHY is untested! *Please*\ + report success/failure to <andreamrl@tiscali.it>"); + }else{ + DMESG ("Analog PHY found"); + } + + break; + + default: + DMESGW("Unknown RF module %x",priv->rf_chip); + DMESGW("Exiting..."); + return -1; + + } +#endif + + + if(!priv->card_8185){ + if(priv->antb) + DMESG ("Antenna B is default antenna"); + else + DMESG ("Antenna A is default antenna"); + + if(priv->diversity) + DMESG ("Antenna diversity is enabled"); + else + DMESG("Antenna diversity is disabled"); + + DMESG("Carrier sense %d",priv->rcr_csense); + } + + if (0!=alloc_rx_desc_ring(dev, priv->rxbuffersize, priv->rxringcount)) + return -ENOMEM; + + if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, + TX_MANAGEPRIORITY_RING_ADDR)) + return -ENOMEM; + + if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, + TX_BKPRIORITY_RING_ADDR)) + return -ENOMEM; + + if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, + TX_BEPRIORITY_RING_ADDR)) + return -ENOMEM; + + if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, + TX_VIPRIORITY_RING_ADDR)) + return -ENOMEM; + + if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, + TX_VOPRIORITY_RING_ADDR)) + return -ENOMEM; + + if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txringcount, + TX_HIGHPRIORITY_RING_ADDR)) + return -ENOMEM; + + if (0!=alloc_tx_desc_ring(dev, priv->txbuffsize, priv->txbeaconcount, + TX_BEACON_RING_ADDR)) + return -ENOMEM; + + + //priv->beacon_buf=NULL; + + if(!priv->card_8185){ + + if(read_nic_byte(dev, CONFIG0) & (1<<CONFIG0_WEP40_SHIFT)) + DMESG ("40-bit WEP is supported in hardware"); + else + DMESG ("40-bit WEP is NOT supported in hardware"); + + if(read_nic_byte(dev,CONFIG0) & (1<<CONFIG0_WEP104_SHIFT)) + DMESG ("104-bit WEP is supported in hardware"); + else + DMESG ("104-bit WEP is NOT supported in hardware"); + } +#if !defined(SA_SHIRQ) + if(request_irq(dev->irq, (void *)rtl8180_interrupt, IRQF_SHARED, dev->name, dev)){ +#else + if(request_irq(dev->irq, (void *)rtl8180_interrupt, SA_SHIRQ, dev->name, dev)){ +#endif + DMESGE("Error allocating IRQ %d",dev->irq); + return -1; + }else{ + priv->irq=dev->irq; + DMESG("IRQ %d",dev->irq); + } + +#ifdef DEBUG_EPROM + dump_eprom(dev); +#endif + + return 0; + +} + + +void rtl8180_no_hw_wep(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + + if(!priv->card_8185) + { + u8 security; + + security = read_nic_byte(dev, SECURITY); + security &=~(1<<SECURITY_WEP_TX_ENABLE_SHIFT); + security &=~(1<<SECURITY_WEP_RX_ENABLE_SHIFT); + + write_nic_byte(dev, SECURITY, security); + + }else{ + + //FIXME!!! + } + /* + write_nic_dword(dev,TX_CONF,read_nic_dword(dev,TX_CONF) | + (1<<TX_NOICV_SHIFT) ); + */ +// priv->ieee80211->hw_wep=0; +} + + +void rtl8180_set_hw_wep(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + u8 pgreg; + u8 security; + u32 key0_word4; + + pgreg=read_nic_byte(dev, PGSELECT); + write_nic_byte(dev, PGSELECT, pgreg &~ (1<<PGSELECT_PG_SHIFT)); + + key0_word4 = read_nic_dword(dev, KEY0+4+4+4); + key0_word4 &= ~ 0xff; + key0_word4 |= priv->key0[3]& 0xff; + write_nic_dword(dev,KEY0,(priv->key0[0])); + write_nic_dword(dev,KEY0+4,(priv->key0[1])); + write_nic_dword(dev,KEY0+4+4,(priv->key0[2])); + write_nic_dword(dev,KEY0+4+4+4,(key0_word4)); + + /* + TX_CONF,read_nic_dword(dev,TX_CONF) &~(1<<TX_NOICV_SHIFT)); + */ + + security = read_nic_byte(dev,SECURITY); + security |= (1<<SECURITY_WEP_TX_ENABLE_SHIFT); + security |= (1<<SECURITY_WEP_RX_ENABLE_SHIFT); + security &= ~ SECURITY_ENCRYP_MASK; + security |= (SECURITY_ENCRYP_104<<SECURITY_ENCRYP_SHIFT); + + write_nic_byte(dev, SECURITY, security); + + DMESG("key %x %x %x %x",read_nic_dword(dev,KEY0+4+4+4), + read_nic_dword(dev,KEY0+4+4),read_nic_dword(dev,KEY0+4), + read_nic_dword(dev,KEY0)); + + //priv->ieee80211->hw_wep=1; +} + + +void rtl8185_rf_pins_enable(struct net_device *dev) +{ +// u16 tmp; +// tmp = read_nic_word(dev, RFPinsEnable); + write_nic_word(dev, RFPinsEnable, 0x1fff);// | tmp); +// write_nic_word(dev, RFPinsEnable,7 | tmp); +} + + +void rtl8185_set_anaparam2(struct net_device *dev, u32 a) +{ + u8 conf3; + + rtl8180_set_mode(dev, EPROM_CMD_CONFIG); + + conf3 = read_nic_byte(dev, CONFIG3); + write_nic_byte(dev, CONFIG3, conf3 | (1<<CONFIG3_ANAPARAM_W_SHIFT)); + write_nic_dword(dev, ANAPARAM2, a); + + conf3 = read_nic_byte(dev, CONFIG3); + write_nic_byte(dev, CONFIG3, conf3 &~(1<<CONFIG3_ANAPARAM_W_SHIFT)); + rtl8180_set_mode(dev, EPROM_CMD_NORMAL); + +} + + +void rtl8180_set_anaparam(struct net_device *dev, u32 a) +{ + u8 conf3; + + rtl8180_set_mode(dev, EPROM_CMD_CONFIG); + + conf3 = read_nic_byte(dev, CONFIG3); + write_nic_byte(dev, CONFIG3, conf3 | (1<<CONFIG3_ANAPARAM_W_SHIFT)); + write_nic_dword(dev, ANAPARAM, a); + + conf3 = read_nic_byte(dev, CONFIG3); + write_nic_byte(dev, CONFIG3, conf3 &~(1<<CONFIG3_ANAPARAM_W_SHIFT)); + rtl8180_set_mode(dev, EPROM_CMD_NORMAL); +} + + +void rtl8185_tx_antenna(struct net_device *dev, u8 ant) +{ + write_nic_byte(dev, TX_ANTENNA, ant); + force_pci_posting(dev); + mdelay(1); +} + + +void rtl8185_write_phy(struct net_device *dev, u8 adr, u32 data) +{ + //u8 phyr; + u32 phyw; + //int i; + + adr |= 0x80; + + phyw= ((data<<8) | adr); +#if 0 + + write_nic_dword(dev, PHY_ADR, phyw); + + //read_nic_dword(dev, PHY_ADR); + for(i=0;i<10;i++){ + write_nic_dword(dev, PHY_ADR, 0xffffff7f & phyw); + phyr = read_nic_byte(dev, PHY_READ); + if(phyr == (data&0xff)) break; + + } +#else + // Note that, we must write 0xff7c after 0x7d-0x7f to write BB register. + write_nic_byte(dev, 0x7f, ((phyw & 0xff000000) >> 24)); + write_nic_byte(dev, 0x7e, ((phyw & 0x00ff0000) >> 16)); + write_nic_byte(dev, 0x7d, ((phyw & 0x0000ff00) >> 8)); + write_nic_byte(dev, 0x7c, ((phyw & 0x000000ff) )); +#endif + /* this is ok to fail when we write AGC table. check for AGC table might be + * done by masking with 0x7f instead of 0xff + */ + //if(phyr != (data&0xff)) DMESGW("Phy write timeout %x %x %x", phyr, data,adr); +} + + +inline void write_phy_ofdm (struct net_device *dev, u8 adr, u32 data) +{ + data = data & 0xff; + rtl8185_write_phy(dev, adr, data); +} + + +void write_phy_cck (struct net_device *dev, u8 adr, u32 data) +{ + data = data & 0xff; + rtl8185_write_phy(dev, adr, data | 0x10000); +} + + +/* 70*3 = 210 ms + * I hope this is enougth + */ +#define MAX_PHY 70 +void write_phy(struct net_device *dev, u8 adr, u8 data) +{ + u32 phy; + int i; + + phy = 0xff0000; + phy |= adr; + phy |= 0x80; /* this should enable writing */ + phy |= (data<<8); + + //PHY_ADR, PHY_R and PHY_W are contig and treated as one dword + write_nic_dword(dev,PHY_ADR, phy); + + phy= 0xffff00; + phy |= adr; + + write_nic_dword(dev,PHY_ADR, phy); + for(i=0;i<MAX_PHY;i++){ + phy=read_nic_dword(dev,PHY_ADR); + phy= phy & 0xff0000; + phy= phy >> 16; + if(phy == data){ //SUCCESS! + force_pci_posting(dev); + mdelay(3); //random value +#ifdef DEBUG_BB + DMESG("Phy wr %x,%x",adr,data); +#endif + return; + }else{ + force_pci_posting(dev); + mdelay(3); //random value + } + } + DMESGW ("Phy writing %x %x failed!", adr,data); +} + +void rtl8185_set_rate(struct net_device *dev) +{ + int i; + u16 word; + int basic_rate,min_rr_rate,max_rr_rate; + +// struct r8180_priv *priv = ieee80211_priv(dev); + + //if (ieee80211_is_54g(priv->ieee80211->current_network) && +// priv->ieee80211->state == IEEE80211_LINKED){ + basic_rate = ieeerate2rtlrate(240); + min_rr_rate = ieeerate2rtlrate(60); + max_rr_rate = ieeerate2rtlrate(240); + +// +// }else{ +// basic_rate = ieeerate2rtlrate(20); +// min_rr_rate = ieeerate2rtlrate(10); +// max_rr_rate = ieeerate2rtlrate(110); +// } + + write_nic_byte(dev, RESP_RATE, + max_rr_rate<<MAX_RESP_RATE_SHIFT| min_rr_rate<<MIN_RESP_RATE_SHIFT); + + word = read_nic_word(dev, BRSR); + word &= ~BRSR_MBR_8185; + + + for(i=0;i<=basic_rate;i++) + word |= (1<<i); + + write_nic_word(dev, BRSR, word); + //DMESG("RR:%x BRSR: %x", read_nic_byte(dev,RESP_RATE),read_nic_word(dev,BRSR)); +} + + + +void rtl8180_adapter_start(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + u32 anaparam; + u16 word; + u8 config3; +// int i; + + rtl8180_rtx_disable(dev); + rtl8180_reset(dev); + + /* seems that 0xffff or 0xafff will cause + * HW interrupt line crash + */ + + //priv->irq_mask = 0xafff; +// priv->irq_mask = 0x4fcf; + + /* enable beacon timeout, beacon TX ok and err + * LP tx ok and err, HP TX ok and err, NP TX ok and err, + * RX ok and ERR, and GP timer */ + priv->irq_mask = 0x6fcf; + + priv->dma_poll_mask = 0; + + rtl8180_beacon_tx_disable(dev); + + if(priv->card_type == CARDBUS ){ + config3=read_nic_byte(dev, CONFIG3); + write_nic_byte(dev,CONFIG3,config3 | CONFIG3_FuncRegEn); + write_nic_word(dev,FEMR, FEMR_INTR | FEMR_WKUP | FEMR_GWAKE | + read_nic_word(dev, FEMR)); + } + rtl8180_set_mode(dev, EPROM_CMD_CONFIG); + write_nic_dword(dev, MAC0, ((u32*)dev->dev_addr)[0]); + write_nic_word(dev, MAC4, ((u32*)dev->dev_addr)[1] & 0xffff ); + rtl8180_set_mode(dev, EPROM_CMD_NORMAL); + + rtl8180_update_msr(dev); + + if(!priv->card_8185){ + anaparam = eprom_read(dev,EPROM_ANAPARAM_ADDRLWORD); + anaparam |= eprom_read(dev,EPROM_ANAPARAM_ADDRHWORD)<<16; + + rtl8180_set_anaparam(dev,anaparam); + } + /* These might be unnecessary since we do in rx_enable / tx_enable */ + fix_rx_fifo(dev); + fix_tx_fifo(dev); + /*set_nic_rxring(dev); + set_nic_txring(dev);*/ + + rtl8180_set_mode(dev, EPROM_CMD_CONFIG); + + /* + The following is very strange. seems to be that 1 means test mode, + but we need to acknolwledges the nic when a packet is ready + altought we set it to 0 + */ + + write_nic_byte(dev, + CONFIG2, read_nic_byte(dev,CONFIG2) &~\ + (1<<CONFIG2_DMA_POLLING_MODE_SHIFT)); + //^the nic isn't in test mode + if(priv->card_8185) + write_nic_byte(dev, + CONFIG2, read_nic_byte(dev,CONFIG2)|(1<<4)); + + rtl8180_set_mode(dev,EPROM_CMD_NORMAL); + + write_nic_dword(dev,INT_TIMEOUT,0); +#ifdef DEBUG_REGISTERS + rtl8180_dump_reg(dev); +#endif + + if(!priv->card_8185) + { + /* + experimental - this might be needed to calibrate AGC, + anyway it shouldn't hurt + */ + write_nic_byte(dev, CONFIG5, + read_nic_byte(dev, CONFIG5) | (1<<AGCRESET_SHIFT)); + read_nic_byte(dev, CONFIG5); + udelay(15); + write_nic_byte(dev, CONFIG5, + read_nic_byte(dev, CONFIG5) &~ (1<<AGCRESET_SHIFT)); + }else{ + + write_nic_byte(dev, WPA_CONFIG, 0); + //write_nic_byte(dev, TESTR, 0xd); + } + + rtl8180_no_hw_wep(dev); + + if(priv->card_8185){ + rtl8185_set_rate(dev); + write_nic_byte(dev, RATE_FALLBACK, 0x81); + // write_nic_byte(dev, 0xdf, 0x15); + }else{ + word = read_nic_word(dev, BRSR); + word &= ~BRSR_MBR; + word &= ~BRSR_BPLCP; + word |= ieeerate2rtlrate(priv->ieee80211->basic_rate); +//by amy + word |= 0x0f; +//by amy + write_nic_word(dev, BRSR, word); + } + + + if(priv->card_8185){ + write_nic_byte(dev, GP_ENABLE,read_nic_byte(dev, GP_ENABLE) & ~(1<<6)); + + //FIXME cfg 3 ClkRun enable - isn't it ReadOnly ? + rtl8180_set_mode(dev, EPROM_CMD_CONFIG); + write_nic_byte(dev,CONFIG3, read_nic_byte(dev, CONFIG3) +|(1<<CONFIG3_CLKRUN_SHIFT)); + rtl8180_set_mode(dev, EPROM_CMD_NORMAL); + + } + + priv->rf_init(dev); + + if(priv->rf_set_sens != NULL) + priv->rf_set_sens(dev,priv->sens); + rtl8180_irq_enable(dev); + + netif_start_queue(dev); + /*DMESG ("lfree %d",get_curr_tx_free_desc(dev,LOW_PRIORITY)); + + DMESG ("nfree %d",get_curr_tx_free_desc(dev,NORM_PRIORITY)); + + DMESG ("hfree %d",get_curr_tx_free_desc(dev,HI_PRIORITY)); + if(check_nic_enought_desc(dev,NORM_PRIORITY)) DMESG("NORM OK"); + if(check_nic_enought_desc(dev,HI_PRIORITY)) DMESG("HI OK"); + if(check_nic_enought_desc(dev,LOW_PRIORITY)) DMESG("LOW OK");*/ +} + + + +/* this configures registers for beacon tx and enables it via + * rtl8180_beacon_tx_enable(). rtl8180_beacon_tx_disable() might + * be used to stop beacon transmission + */ +void rtl8180_start_tx_beacon(struct net_device *dev) +{ +// struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + u16 word; +// DMESG("ring %x %x", priv->txlpringdma,read_nic_dword(dev,TLPDA)); + + DMESG("Enabling beacon TX"); + //write_nic_byte(dev, 0x42,0xe6);// TCR +// set_nic_txring(dev); +// fix_tx_fifo(dev); + rtl8180_prepare_beacon(dev); + rtl8180_irq_disable(dev); + rtl8180_beacon_tx_enable(dev); +#if 0 + rtl8180_set_mode(dev,EPROM_CMD_CONFIG); + //write_nic_byte(dev,0x9d,0x20); //DMA Poll + //write_nic_word(dev,0x7a,0); + //write_nic_word(dev,0x7a,0x8000); + +#if 0 + word = read_nic_word(dev, BcnItv); + word &= ~BcnItv_BcnItv; // clear Bcn_Itv + word |= priv->ieee80211->current_network.beacon_interval;//0x64; + write_nic_word(dev, BcnItv, word); +#endif +#endif + word = read_nic_word(dev, AtimWnd) &~ AtimWnd_AtimWnd; + write_nic_word(dev, AtimWnd,word);// word |= +//priv->ieee80211->current_network.atim_window); + + word = read_nic_word(dev, BintrItv); + word &= ~BintrItv_BintrItv; + word |= 1000;/*priv->ieee80211->current_network.beacon_interval * + ((priv->txbeaconcount > 1)?(priv->txbeaconcount-1):1); + // FIXME: check if correct ^^ worked with 0x3e8; + */ + write_nic_word(dev, BintrItv, word); + + + rtl8180_set_mode(dev, EPROM_CMD_NORMAL); + +// rtl8180_beacon_tx_enable(dev); +#ifdef CONFIG_RTL8185B + rtl8185b_irq_enable(dev); +#else + rtl8180_irq_enable(dev); +#endif + /* VV !!!!!!!!!! VV*/ + /* + rtl8180_set_mode(dev,EPROM_CMD_CONFIG); + write_nic_byte(dev,0x9d,0x00); + rtl8180_set_mode(dev,EPROM_CMD_NORMAL); +*/ +// DMESG("ring %x %x", priv->txlpringdma,read_nic_dword(dev,TLPDA)); + +} + + + +/*************************************************************************** + -------------------------------NET STUFF--------------------------- +***************************************************************************/ +static struct net_device_stats *rtl8180_stats(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + + return &priv->ieee80211->stats; +} +// +// Change current and default preamble mode. +// 2005.01.06, by rcnjko. +// +bool +MgntActSet_802_11_PowerSaveMode( + struct r8180_priv *priv, + RT_PS_MODE 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. +// priv->dot11PowerSaveMode = rtPsMode; + priv->ieee80211->ps = rtPsMode; + // Determine ListenInterval. +#if 0 + if(priv->dot11PowerSaveMode == eMaxPs) + { + priv->ieee80211->ListenInterval = 10; + } + else + { + priv->ieee80211->ListenInterval = 2; + } +#endif + return true; +} + +//================================================================================ +// Leisure Power Save in linked state. +//================================================================================ + +// +// Description: +// Enter the leisure power save mode. +// +void +LeisurePSEnter( + struct r8180_priv *priv + ) +{ + if (priv->bLeisurePs) + { + if (priv->ieee80211->ps == IEEE80211_PS_DISABLED) + { + //printk("----Enter PS\n"); + MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);//IEEE80211_PS_ENABLE + } + } +} + + +// +// Description: +// Leave the leisure power save mode. +// +void +LeisurePSLeave( + struct r8180_priv *priv + ) +{ + if (priv->bLeisurePs) + { + if (priv->ieee80211->ps != IEEE80211_PS_DISABLED) + { + //printk("----Leave PS\n"); + MgntActSet_802_11_PowerSaveMode(priv, IEEE80211_PS_DISABLED); + } + } +} +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void rtl8180_hw_wakeup_wq (struct work_struct *work) +{ +// struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq); +// struct ieee80211_device * ieee = (struct ieee80211_device*) +// container_of(work, struct ieee80211_device, watch_dog_wq); + struct delayed_work *dwork = container_of(work,struct delayed_work,work); + struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_wakeup_wq); + struct net_device *dev = ieee->dev; +#else +void rtl8180_hw_wakeup_wq(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); +#endif + +// printk("dev is %d\n",dev); +// printk("&*&(^*(&(&=========>%s()\n", __func__); + rtl8180_hw_wakeup(dev); + +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void rtl8180_hw_sleep_wq (struct work_struct *work) +{ +// struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq); +// struct ieee80211_device * ieee = (struct ieee80211_device*) +// container_of(work, struct ieee80211_device, watch_dog_wq); + struct delayed_work *dwork = container_of(work,struct delayed_work,work); + struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq); + struct net_device *dev = ieee->dev; +#else +void rtl8180_hw_sleep_wq(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); +#endif + + rtl8180_hw_sleep_down(dev); +} + +//YJ,add,080828,for KeepAlive +static void MgntLinkKeepAlive(struct r8180_priv *priv ) +{ + if (priv->keepAliveLevel == 0) + return; + + if(priv->ieee80211->state == IEEE80211_LINKED) + { + // + // Keep-Alive. + // + //printk("LastTx:%d Tx:%d LastRx:%d Rx:%ld Idle:%d\n",priv->link_detect.LastNumTxUnicast,priv->NumTxUnicast, priv->link_detect.LastNumRxUnicast, priv->ieee80211->NumRxUnicast, priv->link_detect.IdleCount); + + if ( (priv->keepAliveLevel== 2) || + (priv->link_detect.LastNumTxUnicast == priv->NumTxUnicast && + priv->link_detect.LastNumRxUnicast == priv->ieee80211->NumRxUnicast ) + ) + { + priv->link_detect.IdleCount++; + + // + // Send a Keep-Alive packet packet to AP if we had been idle for a while. + // + if(priv->link_detect.IdleCount >= ((KEEP_ALIVE_INTERVAL / CHECK_FOR_HANG_PERIOD)-1) ) + { + priv->link_detect.IdleCount = 0; + ieee80211_sta_ps_send_null_frame(priv->ieee80211, false); + } + } + else + { + priv->link_detect.IdleCount = 0; + } + priv->link_detect.LastNumTxUnicast = priv->NumTxUnicast; + priv->link_detect.LastNumRxUnicast = priv->ieee80211->NumRxUnicast; + } +} +//YJ,add,080828,for KeepAlive,end + +static u8 read_acadapter_file(char *filename); +void rtl8180_watch_dog(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + bool bEnterPS = false; + bool bBusyTraffic = false; + u32 TotalRxNum = 0; + u16 SlotIndex = 0; + u16 i = 0; +#ifdef ENABLE_IPS + if(priv->ieee80211->actscanning == false){ + if((priv->ieee80211->iw_mode != IW_MODE_ADHOC) && (priv->ieee80211->state == IEEE80211_NOLINK) && (priv->ieee80211->beinretry == false) && (priv->eRFPowerState == eRfOn)){ + IPSEnter(dev); + } + } +#endif + //YJ,add,080828,for link state check + if((priv->ieee80211->state == IEEE80211_LINKED) && (priv->ieee80211->iw_mode == IW_MODE_INFRA)){ + SlotIndex = (priv->link_detect.SlotIndex++) % priv->link_detect.SlotNum; + priv->link_detect.RxFrameNum[SlotIndex] = priv->ieee80211->NumRxDataInPeriod + priv->ieee80211->NumRxBcnInPeriod; + for( i=0; i<priv->link_detect.SlotNum; i++ ) + TotalRxNum+= priv->link_detect.RxFrameNum[i]; + //printk("&&&&&=== TotalRxNum = %d\n", TotalRxNum); + if(TotalRxNum == 0){ + priv->ieee80211->state = IEEE80211_ASSOCIATING; + queue_work(priv->ieee80211->wq, &priv->ieee80211->associate_procedure_wq); + } + } + + //YJ,add,080828,for KeepAlive + MgntLinkKeepAlive(priv); + + //YJ,add,080828,for LPS +#ifdef ENABLE_LPS + if(priv->PowerProfile == POWER_PROFILE_BATTERY ) + { + //Turn on LeisurePS on battery power + //printk("!!!!!On battery power\n"); + priv->bLeisurePs = true; + } + else if(priv->PowerProfile == POWER_PROFILE_AC ) + { + // Turn off LeisurePS on AC power + //printk("----On AC power\n"); + LeisurePSLeave(priv); + priv->bLeisurePs= false; + } +#endif + +#if 0 +#ifndef ENABLE_LPS + if(priv->ieee80211->state == IEEE80211_LINKED){ + if( priv->NumRxOkInPeriod> 666 || + priv->NumTxOkInPeriod > 666 ) { + bBusyTraffic = true; + } + if((priv->ieee80211->NumRxData + priv->NumTxOkInPeriod)<8) { + bEnterPS= true; + } + if(bEnterPS) { + LeisurePSEnter(priv); + } + else { + LeisurePSLeave(priv); + } + } + else { + LeisurePSLeave(priv); + } +#endif + priv->NumRxOkInPeriod = 0; + priv->NumTxOkInPeriod = 0; + priv->ieee80211->NumRxData = 0; +#else +#ifdef ENABLE_LPS + if(priv->ieee80211->state == IEEE80211_LINKED){ + priv->link_detect.NumRxOkInPeriod = priv->ieee80211->NumRxDataInPeriod; + //printk("TxOk=%d RxOk=%d\n", priv->link_detect.NumTxOkInPeriod, priv->link_detect.NumRxOkInPeriod); + if( priv->link_detect.NumRxOkInPeriod> 666 || + priv->link_detect.NumTxOkInPeriod> 666 ) { + bBusyTraffic = true; + } + if(((priv->link_detect.NumRxOkInPeriod + priv->link_detect.NumTxOkInPeriod) > 8) + || (priv->link_detect.NumRxOkInPeriod > 2)) { + bEnterPS= false; + } + else { + bEnterPS= true; + } + + if(bEnterPS) { + LeisurePSEnter(priv); + } + else { + LeisurePSLeave(priv); + } + } + else{ + LeisurePSLeave(priv); + } +#endif + priv->link_detect.bBusyTraffic = bBusyTraffic; + priv->link_detect.NumRxOkInPeriod = 0; + priv->link_detect.NumTxOkInPeriod = 0; + priv->ieee80211->NumRxDataInPeriod = 0; + priv->ieee80211->NumRxBcnInPeriod = 0; +#endif +} +int _rtl8180_up(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + //int i; + + priv->up=1; + + DMESG("Bringing up iface"); +#ifdef CONFIG_RTL8185B + rtl8185b_adapter_start(dev); + rtl8185b_rx_enable(dev); + rtl8185b_tx_enable(dev); +#else + rtl8180_adapter_start(dev); + rtl8180_rx_enable(dev); + rtl8180_tx_enable(dev); +#endif +#ifdef ENABLE_IPS + if(priv->bInactivePs){ + if(priv->ieee80211->iw_mode == IW_MODE_ADHOC) + IPSLeave(dev); + } +#endif +//by amy 080312 +#ifdef RATE_ADAPT + timer_rate_adaptive((unsigned long)dev); +#endif +//by amy 080312 + watch_dog_adaptive((unsigned long)dev); +#ifdef SW_ANTE + if(priv->bSwAntennaDiverity) + SwAntennaDiversityTimerCallback(dev); +#endif +// IPSEnter(dev); + ieee80211_softmac_start_protocol(priv->ieee80211); + +//Add for RF power on power off by lizhaoming 080512 +// priv->eRFPowerState = eRfOn; +// printk("\n--------Start queue_work:GPIOChangeRFWorkItem"); +// queue_delayed_work(priv->ieee80211->wq,&priv->ieee80211->GPIOChangeRFWorkItem,1000); + + return 0; +} + + +int rtl8180_open(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + int ret; + + down(&priv->wx_sem); + ret = rtl8180_up(dev); + up(&priv->wx_sem); + return ret; + +} + + +int rtl8180_up(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + + if (priv->up == 1) return -1; + + return _rtl8180_up(dev); +} + + +int rtl8180_close(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + int ret; + + down(&priv->wx_sem); + ret = rtl8180_down(dev); + up(&priv->wx_sem); + + return ret; + +} + +int rtl8180_down(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + + if (priv->up == 0) return -1; + + priv->up=0; + + ieee80211_softmac_stop_protocol(priv->ieee80211); + /* FIXME */ + if (!netif_queue_stopped(dev)) + netif_stop_queue(dev); + rtl8180_rtx_disable(dev); + rtl8180_irq_disable(dev); + del_timer_sync(&priv->watch_dog_timer); + //cancel_delayed_work(&priv->ieee80211->watch_dog_wq); +//{by amy 080312 + del_timer_sync(&priv->rateadapter_timer); + cancel_delayed_work(&priv->ieee80211->rate_adapter_wq); +//by amy 080312} + cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq); + cancel_delayed_work(&priv->ieee80211->hw_sleep_wq); + cancel_delayed_work(&priv->ieee80211->hw_dig_wq); + cancel_delayed_work(&priv->ieee80211->tx_pw_wq); + del_timer_sync(&priv->SwAntennaDiversityTimer); + SetZebraRFPowerState8185(dev,eRfOff); + //ieee80211_softmac_stop_protocol(priv->ieee80211); + memset(&(priv->ieee80211->current_network),0,sizeof(struct ieee80211_network)); + priv->ieee80211->state = IEEE80211_NOLINK; + return 0; +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void rtl8180_restart_wq(struct work_struct *work) +{ + struct r8180_priv *priv = container_of(work, struct r8180_priv, reset_wq); + struct net_device *dev = priv->dev; +#else +void rtl8180_restart_wq(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); +#endif + down(&priv->wx_sem); + + rtl8180_commit(dev); + + up(&priv->wx_sem); +} + +void rtl8180_restart(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + //rtl8180_commit(dev); + schedule_work(&priv->reset_wq); + //DMESG("TXTIMEOUT"); +} + + +void rtl8180_commit(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + + if (priv->up == 0) return ; +//+by amy 080312 + del_timer_sync(&priv->watch_dog_timer); + //cancel_delayed_work(&priv->ieee80211->watch_dog_wq); +//{by amy 080312 +//by amy for rate adaptive + del_timer_sync(&priv->rateadapter_timer); + cancel_delayed_work(&priv->ieee80211->rate_adapter_wq); +//by amy for rate adaptive +//by amy 080312} + cancel_delayed_work(&priv->ieee80211->hw_wakeup_wq); + cancel_delayed_work(&priv->ieee80211->hw_sleep_wq); + cancel_delayed_work(&priv->ieee80211->hw_dig_wq); + cancel_delayed_work(&priv->ieee80211->tx_pw_wq); + del_timer_sync(&priv->SwAntennaDiversityTimer); + ieee80211_softmac_stop_protocol(priv->ieee80211); + rtl8180_irq_disable(dev); + rtl8180_rtx_disable(dev); + _rtl8180_up(dev); +} + + +static void r8180_set_multicast(struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + short promisc; + + //down(&priv->wx_sem); + + promisc = (dev->flags & IFF_PROMISC) ? 1:0; + + if (promisc != priv->promisc) + rtl8180_restart(dev); + + priv->promisc = promisc; + + //up(&priv->wx_sem); +} + +#if 0 +/* this is called by the kernel when it needs to TX a 802.3 encapsulated frame*/ +int rtl8180_8023_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + int ret; + unsigned long flags; + + spin_lock_irqsave(&priv->tx_lock,flags); + ret = ieee80211_r8180_8023_hardstartxmit(skb,priv->ieee80211); + spin_unlock_irqrestore(&priv->tx_lock,flags); + return ret; +} +#endif + +int r8180_set_mac_adr(struct net_device *dev, void *mac) +{ + struct r8180_priv *priv = ieee80211_priv(dev); + struct sockaddr *addr = mac; + + down(&priv->wx_sem); + + memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); + + if(priv->ieee80211->iw_mode == IW_MODE_MASTER) + memcpy(priv->ieee80211->current_network.bssid, dev->dev_addr, ETH_ALEN); + + if (priv->up) { + rtl8180_down(dev); + rtl8180_up(dev); + } + + up(&priv->wx_sem); + + return 0; +} + +/* based on ipw2200 driver */ +int rtl8180_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + struct iwreq *wrq = (struct iwreq *) rq; + int ret=-1; + switch (cmd) { + case RTL_IOCTL_WPA_SUPPLICANT: + ret = ieee80211_wpa_supplicant_ioctl(priv->ieee80211, &wrq->u.data); + return ret; + + default: + return -EOPNOTSUPP; + } + + return -EOPNOTSUPP; +} + + + +/**************************************************************************** + -----------------------------PCI STUFF--------------------------- +*****************************************************************************/ + + +static int __devinit rtl8180_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + unsigned long ioaddr = 0; + struct net_device *dev = NULL; + struct r8180_priv *priv= NULL; + //u8 *ptr; + u8 unit = 0; + +#ifdef CONFIG_RTL8180_IO_MAP + unsigned long pio_start, pio_len, pio_flags; +#else + unsigned long pmem_start, pmem_len, pmem_flags; +#endif //end #ifdef RTL_IO_MAP + + DMESG("Configuring chip resources"); + + if( pci_enable_device (pdev) ){ + DMESG("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 r8180_priv)); + if (!dev) + return -ENOMEM; + priv = ieee80211_priv(dev); + priv->ieee80211 = netdev_priv(dev); + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) + SET_MODULE_OWNER(dev); +#endif + pci_set_drvdata(pdev, dev); + SET_NETDEV_DEV(dev, &pdev->dev); + + priv = ieee80211_priv(dev); +// memset(priv,0,sizeof(struct r8180_priv)); + priv->pdev=pdev; + + +#ifdef CONFIG_RTL8180_IO_MAP + + pio_start = (unsigned long)pci_resource_start (pdev, 0); + pio_len = (unsigned long)pci_resource_len (pdev, 0); + pio_flags = (unsigned long)pci_resource_flags (pdev, 0); + + if (!(pio_flags & IORESOURCE_IO)) { + DMESG("region #0 not a PIO resource, aborting"); + goto fail; + } + + //DMESG("IO space @ 0x%08lx", pio_start ); + if( ! request_region( pio_start, pio_len, RTL8180_MODULE_NAME ) ){ + DMESG("request_region failed!"); + goto fail; + } + + ioaddr = pio_start; + dev->base_addr = ioaddr; // device I/O address + +#else + + pmem_start = pci_resource_start(pdev, 1); + pmem_len = pci_resource_len(pdev, 1); + pmem_flags = pci_resource_flags (pdev, 1); + + if (!(pmem_flags & IORESOURCE_MEM)) { + DMESG("region #1 not a MMIO resource, aborting"); + goto fail; + } + + //DMESG("Memory mapped space @ 0x%08lx ", pmem_start); + if( ! request_mem_region(pmem_start, pmem_len, RTL8180_MODULE_NAME)) { + DMESG("request_mem_region failed!"); + goto fail; + } + + + ioaddr = (unsigned long)ioremap_nocache( pmem_start, pmem_len); + if( ioaddr == (unsigned long)NULL ){ + DMESG("ioremap failed!"); + // release_mem_region( pmem_start, pmem_len ); + goto fail1; + } + + dev->mem_start = ioaddr; // shared mem start + dev->mem_end = ioaddr + pci_resource_len(pdev, 0); // shared mem end + +#endif //end #ifdef RTL_IO_MAP + +#ifdef CONFIG_RTL8185B + //pci_read_config_byte(pdev, 0x05, ptr); + //pci_write_config_byte(pdev, 0x05, (*ptr) & (~0x04)); + pci_read_config_byte(pdev, 0x05, &unit); + pci_write_config_byte(pdev, 0x05, unit & (~0x04)); +#endif + + dev->irq = pdev->irq; + priv->irq = 0; + + dev->open = rtl8180_open; + dev->stop = rtl8180_close; + //dev->hard_start_xmit = ieee80211_xmit; + dev->tx_timeout = rtl8180_restart; + dev->wireless_handlers = &r8180_wx_handlers_def; + dev->do_ioctl = rtl8180_ioctl; + dev->set_multicast_list = r8180_set_multicast; + dev->set_mac_address = r8180_set_mac_adr; + +#if WIRELESS_EXT >= 12 +#if WIRELESS_EXT < 17 + dev->get_wireless_stats = r8180_get_wireless_stats; +#endif + dev->wireless_handlers = (struct iw_handler_def *) &r8180_wx_handlers_def; +#endif + + dev->type=ARPHRD_ETHER; + dev->watchdog_timeo = HZ*3; //added by david woo, 2007.12.13 + + if (dev_alloc_name(dev, ifname) < 0){ + DMESG("Oops: devname already taken! Trying wlan%%d...\n"); + ifname = "wlan%d"; + // ifname = "ath%d"; + dev_alloc_name(dev, ifname); + } + + + if(rtl8180_init(dev)!=0){ + DMESG("Initialization failed"); + goto fail1; + } + + netif_carrier_off(dev); + + register_netdev(dev); + + rtl8180_proc_init_one(dev); + + DMESG("Driver probe completed\n"); + return 0; + +fail1: + +#ifdef CONFIG_RTL8180_IO_MAP + + if( dev->base_addr != 0 ){ + + release_region(dev->base_addr, + pci_resource_len(pdev, 0) ); + } +#else + if( dev->mem_start != (unsigned long)NULL ){ + iounmap( (void *)dev->mem_start ); + release_mem_region( pci_resource_start(pdev, 1), + pci_resource_len(pdev, 1) ); + } +#endif //end #ifdef RTL_IO_MAP + + +fail: + if(dev){ + + if (priv->irq) { + free_irq(dev->irq, dev); + dev->irq=0; + } + free_ieee80211(dev); + } + + pci_disable_device(pdev); + + DMESG("wlan driver load failed\n"); + pci_set_drvdata(pdev, NULL); + return -ENODEV; + +} + + +static void __devexit rtl8180_pci_remove(struct pci_dev *pdev) +{ + struct r8180_priv *priv; + struct net_device *dev = pci_get_drvdata(pdev); + if(dev){ + + unregister_netdev(dev); + + priv=ieee80211_priv(dev); + + rtl8180_proc_remove_one(dev); + rtl8180_down(dev); + priv->rf_close(dev); + rtl8180_reset(dev); + //rtl8180_rtx_disable(dev); + //rtl8180_irq_disable(dev); + mdelay(10); + //write_nic_word(dev,INTA,read_nic_word(dev,INTA)); + //force_pci_posting(dev); + //mdelay(10); + + if(priv->irq){ + + DMESG("Freeing irq %d",dev->irq); + free_irq(dev->irq, dev); + priv->irq=0; + + } + + free_rx_desc_ring(dev); + free_tx_desc_rings(dev); + // free_beacon_desc_ring(dev,priv->txbeaconcount); + +#ifdef CONFIG_RTL8180_IO_MAP + + if( dev->base_addr != 0 ){ + + release_region(dev->base_addr, + pci_resource_len(pdev, 0) ); + } +#else + if( dev->mem_start != (unsigned long)NULL ){ + iounmap( (void *)dev->mem_start ); + release_mem_region( pci_resource_start(pdev, 1), + pci_resource_len(pdev, 1) ); + } +#endif /*end #ifdef RTL_IO_MAP*/ + + free_ieee80211(dev); + } + pci_disable_device(pdev); + + DMESG("wlan driver removed\n"); +} + + +/* fun with the built-in ieee80211 stack... */ +extern int ieee80211_crypto_init(void); +extern void ieee80211_crypto_deinit(void); +extern int ieee80211_crypto_tkip_init(void); +extern void ieee80211_crypto_tkip_exit(void); +extern int ieee80211_crypto_ccmp_init(void); +extern void ieee80211_crypto_ccmp_exit(void); +extern int ieee80211_crypto_wep_init(void); +extern void ieee80211_crypto_wep_exit(void); + +static int __init rtl8180_pci_module_init(void) +{ + int ret; + + ret = ieee80211_crypto_init(); + if (ret) { + printk(KERN_ERR "ieee80211_crypto_init() failed %d\n", ret); + return ret; + } + ret = ieee80211_crypto_tkip_init(); + if (ret) { + printk(KERN_ERR "ieee80211_crypto_tkip_init() failed %d\n", ret); + return ret; + } + ret = ieee80211_crypto_ccmp_init(); + if (ret) { + printk(KERN_ERR "ieee80211_crypto_ccmp_init() failed %d\n", ret); + return ret; + } + ret = ieee80211_crypto_wep_init(); + if (ret) { + printk(KERN_ERR "ieee80211_crypto_wep_init() failed %d\n", ret); + return ret; + } + + printk(KERN_INFO "\nLinux kernel driver for RTL8180 \ +/ RTL8185 based WLAN cards\n"); + printk(KERN_INFO "Copyright (c) 2004-2005, Andrea Merello\n"); + DMESG("Initializing module"); + DMESG("Wireless extensions version %d", WIRELESS_EXT); + rtl8180_proc_module_init(); + +#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)) + if(0!=pci_module_init(&rtl8180_pci_driver)) +#else + if(0!=pci_register_driver(&rtl8180_pci_driver)) +#endif + //if(0!=pci_module_init(&rtl8180_pci_driver)) + { + DMESG("No device found"); + /*pci_unregister_driver (&rtl8180_pci_driver);*/ + return -ENODEV; + } + return 0; +} + + +static void __exit rtl8180_pci_module_exit(void) +{ + pci_unregister_driver (&rtl8180_pci_driver); + rtl8180_proc_module_remove(); + ieee80211_crypto_deinit(); + ieee80211_crypto_tkip_exit(); + ieee80211_crypto_ccmp_exit(); + ieee80211_crypto_wep_exit(); + DMESG("Exiting"); +} + + +void rtl8180_try_wake_queue(struct net_device *dev, int pri) +{ + unsigned long flags; + short enough_desc; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + spin_lock_irqsave(&priv->tx_lock,flags); + enough_desc = check_nic_enought_desc(dev,pri); + spin_unlock_irqrestore(&priv->tx_lock,flags); + + if(enough_desc) + ieee80211_wake_queue(priv->ieee80211); +} + +/***************************************************************************** + -----------------------------IRQ STUFF--------------------------- +******************************************************************************/ + +void rtl8180_tx_isr(struct net_device *dev, int pri,short error) +{ + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + + u32 *tail; //tail virtual addr + u32 *head; //head virtual addr + u32 *begin;//start of ring virtual addr + u32 *nicv; //nic pointer virtual addr +// u32 *txdv; //packet just TXed + u32 nic; //nic pointer physical addr + u32 nicbegin;// start of ring physical addr +// short txed; + unsigned long flag; + /* physical addr are ok on 32 bits since we set DMA mask*/ + + int offs; + int j,i; + int hd; + if (error) priv->stats.txretry++; //tony 20060601 + spin_lock_irqsave(&priv->tx_lock,flag); + switch(pri) { + case MANAGE_PRIORITY: + tail = priv->txmapringtail; + begin = priv->txmapring; + head = priv->txmapringhead; + nic = read_nic_dword(dev,TX_MANAGEPRIORITY_RING_ADDR); + nicbegin = priv->txmapringdma; + break; + + case BK_PRIORITY: + tail = priv->txbkpringtail; + begin = priv->txbkpring; + head = priv->txbkpringhead; + nic = read_nic_dword(dev,TX_BKPRIORITY_RING_ADDR); + nicbegin = priv->txbkpringdma; + break; + + case BE_PRIORITY: + tail = priv->txbepringtail; + begin = priv->txbepring; + head = priv->txbepringhead; + nic = read_nic_dword(dev,TX_BEPRIORITY_RING_ADDR); + nicbegin = priv->txbepringdma; + break; + + case VI_PRIORITY: + tail = priv->txvipringtail; + begin = priv->txvipring; + head = priv->txvipringhead; + nic = read_nic_dword(dev,TX_VIPRIORITY_RING_ADDR); + nicbegin = priv->txvipringdma; + break; + + case VO_PRIORITY: + tail = priv->txvopringtail; + begin = priv->txvopring; + head = priv->txvopringhead; + nic = read_nic_dword(dev,TX_VOPRIORITY_RING_ADDR); + nicbegin = priv->txvopringdma; + break; + + case HI_PRIORITY: + tail = priv->txhpringtail; + begin = priv->txhpring; + head = priv->txhpringhead; + nic = read_nic_dword(dev,TX_HIGHPRIORITY_RING_ADDR); + nicbegin = priv->txhpringdma; + break; + + default: + spin_unlock_irqrestore(&priv->tx_lock,flag); + return ; + } +/* DMESG("%x %s %x %x",((int)nic & 0xfff)/8/4, + *(priv->txnpring + ((int)nic&0xfff)/4/8) & (1<<31) ? "filled" : "empty", + (priv->txnpringtail - priv->txnpring)/8,(priv->txnpringhead - +priv->txnpring)/8); +*/ + //nicv = (u32*) ((nic - nicbegin) + (int)begin); + nicv = (u32*) ((nic - nicbegin) + (u8*)begin); + if((head <= tail && (nicv > tail || nicv < head)) || + (head > tail && (nicv > tail && nicv < head))){ + + DMESGW("nic has lost pointer"); +#ifdef DEBUG_TX_DESC + //check_tx_ring(dev,NORM_PRIORITY); + check_tx_ring(dev,pri); +#endif + spin_unlock_irqrestore(&priv->tx_lock,flag); + rtl8180_restart(dev); + return; + } + + /* we check all the descriptors between the head and the nic, + * but not the currenly pointed by the nic (the next to be txed) + * and the previous of the pointed (might be in process ??) + */ + //if (head == nic) return; + //DMESG("%x %x",head,nic); + offs = (nic - nicbegin); + //DMESG("%x %x %x",nic ,(u32)nicbegin, (int)nic -nicbegin); + + offs = offs / 8 /4; + + hd = (head - begin) /8; + + if(offs >= hd) + j = offs - hd; + else + j = offs + (priv->txringcount -1 -hd); + // j= priv->txringcount -1- (hd - offs); + + j-=2; + if(j<0) j=0; + + + for(i=0;i<j;i++) + { +// printk("+++++++++++++check status desc\n"); + if((*head) & (1<<31)) + break; + if(((*head)&(0x10000000)) != 0){ +// printk("++++++++++++++last desc,retry count is %d\n",((*head) & (0x000000ff))); + priv->CurrRetryCnt += (u16)((*head) & (0x000000ff)); +#if 1 + if(!error) + { + priv->NumTxOkTotal++; +// printk("NumTxOkTotal is %d\n",priv->NumTxOkTotal++); + } +#endif + // printk("in function %s:curr_retry_count is %d\n",__func__,((*head) & (0x000000ff))); + } + if(!error){ + priv->NumTxOkBytesTotal += (*(head+3)) & (0x00000fff); + } +// printk("in function %s:curr_txokbyte_count is %d\n",__func__,(*(head+3)) & (0x00000fff)); + *head = *head &~ (1<<31); + + if((head - begin)/8 == priv->txringcount-1) + head=begin; + + else + head+=8; + } +#if 0 + if(nicv == begin) + txdv = begin + (priv->txringcount -1)*8; + else + txdv = nicv - 8; + + txed = !(txdv[0] &(1<<31)); + + if(txed){ + if(!(txdv[0] & (1<<15))) error = 1; + //if(!(txdv[0] & (1<<30))) error = 1; + if(error)DMESG("%x",txdv[0]); + } +#endif + //DMESG("%x",txdv[0]); + /* the head has been moved to the last certainly TXed + * (or at least processed by the nic) packet. + * The driver take forcefully owning of all these packets + * If the packet previous of the nic pointer has been + * processed this doesn't matter: it will be checked + * here at the next round. Anyway if no more packet are + * TXed no memory leak occour at all. + */ + + switch(pri) { + case MANAGE_PRIORITY: + priv->txmapringhead = head; + //printk("1==========================================> priority check!\n"); + if(priv->ack_tx_to_ieee){ + // try to implement power-save mode 2008.1.22 + // printk("2==========================================> priority check!\n"); +#if 1 + if(rtl8180_is_tx_queue_empty(dev)){ + // printk("tx queue empty, after send null sleep packet, try to sleep !\n"); + priv->ack_tx_to_ieee = 0; + ieee80211_ps_tx_ack(priv->ieee80211,!error); + } +#endif + } + break; + + case BK_PRIORITY: + priv->txbkpringhead = head; + break; + + case BE_PRIORITY: + priv->txbepringhead = head; + break; + + case VI_PRIORITY: + priv->txvipringhead = head; + break; + + case VO_PRIORITY: + priv->txvopringhead = head; + break; + + case HI_PRIORITY: + priv->txhpringhead = head; + break; + } + + /*DMESG("%x %x %x", (priv->txnpringhead - priv->txnpring) /8 , + (priv->txnpringtail - priv->txnpring) /8, + offs ); + */ + + spin_unlock_irqrestore(&priv->tx_lock,flag); + +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void rtl8180_tx_irq_wq(struct work_struct *work) +{ + //struct r8180_priv *priv = container_of(work, struct r8180_priv, reset_wq); + struct delayed_work *dwork = container_of(work,struct delayed_work,work); + struct ieee80211_device * ieee = (struct ieee80211_device*) + container_of(dwork, struct ieee80211_device, watch_dog_wq); + struct net_device *dev = ieee->dev; +#else +void rtl8180_tx_irq_wq(struct net_device *dev) +{ + //struct r8180_priv *priv = ieee80211_priv(dev); +#endif + rtl8180_tx_isr(dev,MANAGE_PRIORITY,0); +} +irqreturn_t rtl8180_interrupt(int irq, void *netdev, struct pt_regs *regs) +{ + struct net_device *dev = (struct net_device *) netdev; + struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + unsigned long flags; + u32 inta; + + /* We should return IRQ_NONE, but for now let me keep this */ + if(priv->irq_enabled == 0) return IRQ_HANDLED; + + spin_lock_irqsave(&priv->irq_th_lock,flags); + +#ifdef CONFIG_RTL8185B + //ISR: 4bytes + inta = read_nic_dword(dev, ISR);// & priv->IntrMask; + write_nic_dword(dev,ISR,inta); // reset int situation +#else + inta = read_nic_word(dev,INTA) & priv->irq_mask; + write_nic_word(dev,INTA,inta); // reset int situation +#endif + + priv->stats.shints++; + + //DMESG("Enter interrupt, ISR value = 0x%08x", inta); + + if(!inta){ + spin_unlock_irqrestore(&priv->irq_th_lock,flags); + return IRQ_HANDLED; + /* + most probably we can safely return IRQ_NONE, + but for now is better to avoid problems + */ + } + + if(inta == 0xffff){ + /* HW disappared */ + spin_unlock_irqrestore(&priv->irq_th_lock,flags); + return IRQ_HANDLED; + } + + priv->stats.ints++; +#ifdef DEBUG_IRQ + DMESG("NIC irq %x",inta); +#endif + //priv->irqpending = inta; + + + if(!netif_running(dev)) { + spin_unlock_irqrestore(&priv->irq_th_lock,flags); + return IRQ_HANDLED; + } + + if(inta & ISR_TimeOut){ + write_nic_dword(dev, TimerInt, 0); + //DMESG("=================>waking up"); +// rtl8180_hw_wakeup(dev); + } + + if(inta & ISR_TBDOK){ + priv->stats.txbeacon++; + } + + if(inta & ISR_TBDER){ + priv->stats.txbeaconerr++; + } + + if(inta & IMR_TMGDOK ) { +// priv->NumTxOkTotal++; + rtl8180_tx_isr(dev,MANAGE_PRIORITY,0); +// schedule_work(&priv->tx_irq_wq); + + } + + if(inta & ISR_THPDER){ +#ifdef DEBUG_TX + DMESG ("TX high priority ERR"); +#endif + priv->stats.txhperr++; + rtl8180_tx_isr(dev,HI_PRIORITY,1); + priv->ieee80211->stats.tx_errors++; + } + + if(inta & ISR_THPDOK){ //High priority tx ok +#ifdef DEBUG_TX + DMESG ("TX high priority OK"); +#endif +// priv->NumTxOkTotal++; + //priv->NumTxOkInPeriod++; //YJ,del,080828 + priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828 + priv->stats.txhpokint++; + rtl8180_tx_isr(dev,HI_PRIORITY,0); + } + + if(inta & ISR_RER) { + priv->stats.rxerr++; +#ifdef DEBUG_RX + DMESGW("RX error int"); +#endif + } +#ifdef CONFIG_RTL8185B + if(inta & ISR_TBKDER){ //corresponding to BK_PRIORITY + priv->stats.txbkperr++; + priv->ieee80211->stats.tx_errors++; +#ifdef DEBUG_TX + DMESGW("TX bkp error int"); +#endif + //tasklet_schedule(&priv->irq_tx_tasklet); + rtl8180_tx_isr(dev,BK_PRIORITY,1); + rtl8180_try_wake_queue(dev, BE_PRIORITY); + } + + if(inta & ISR_TBEDER){ //corresponding to BE_PRIORITY + priv->stats.txbeperr++; + priv->ieee80211->stats.tx_errors++; +#ifdef DEBUG_TX + DMESGW("TX bep error int"); +#endif + rtl8180_tx_isr(dev,BE_PRIORITY,1); + //tasklet_schedule(&priv->irq_tx_tasklet); + rtl8180_try_wake_queue(dev, BE_PRIORITY); + } +#endif + if(inta & ISR_TNPDER){ //corresponding to VO_PRIORITY + priv->stats.txnperr++; + priv->ieee80211->stats.tx_errors++; +#ifdef DEBUG_TX + DMESGW("TX np error int"); +#endif + //tasklet_schedule(&priv->irq_tx_tasklet); + rtl8180_tx_isr(dev,NORM_PRIORITY,1); +#ifdef CONFIG_RTL8185B + rtl8180_try_wake_queue(dev, NORM_PRIORITY); +#endif + } + + if(inta & ISR_TLPDER){ //corresponding to VI_PRIORITY + priv->stats.txlperr++; + priv->ieee80211->stats.tx_errors++; +#ifdef DEBUG_TX + DMESGW("TX lp error int"); +#endif + rtl8180_tx_isr(dev,LOW_PRIORITY,1); + //tasklet_schedule(&priv->irq_tx_tasklet); + rtl8180_try_wake_queue(dev, LOW_PRIORITY); + } + + if(inta & ISR_ROK){ +#ifdef DEBUG_RX + DMESG("Frame arrived !"); +#endif + //priv->NumRxOkInPeriod++; //YJ,del,080828 + priv->stats.rxint++; + tasklet_schedule(&priv->irq_rx_tasklet); + } + + if(inta & ISR_RQoSOK ){ +#ifdef DEBUG_RX + DMESG("QoS Frame arrived !"); +#endif + //priv->NumRxOkInPeriod++; //YJ,del,080828 + priv->stats.rxint++; + tasklet_schedule(&priv->irq_rx_tasklet); + } + if(inta & ISR_BcnInt) { + //DMESG("Preparing Beacons"); + rtl8180_prepare_beacon(dev); + } + + if(inta & ISR_RDU){ +//#ifdef DEBUG_RX + DMESGW("No RX descriptor available"); + priv->stats.rxrdu++; +//#endif + tasklet_schedule(&priv->irq_rx_tasklet); + /*queue_work(priv->workqueue ,&priv->restart_work);*/ + + } + if(inta & ISR_RXFOVW){ +#ifdef DEBUG_RX + DMESGW("RX fifo overflow"); +#endif + priv->stats.rxoverflow++; + tasklet_schedule(&priv->irq_rx_tasklet); + //queue_work(priv->workqueue ,&priv->restart_work); + } + + if(inta & ISR_TXFOVW) priv->stats.txoverflow++; + + if(inta & ISR_TNPDOK){ //Normal priority tx ok +#ifdef DEBUG_TX + DMESG ("TX normal priority OK"); +#endif +// priv->NumTxOkTotal++; + //priv->NumTxOkInPeriod++; //YJ,del,080828 + priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828 + // priv->ieee80211->stats.tx_packets++; + priv->stats.txnpokint++; + rtl8180_tx_isr(dev,NORM_PRIORITY,0); + } + + if(inta & ISR_TLPDOK){ //Low priority tx ok +#ifdef DEBUG_TX + DMESG ("TX low priority OK"); +#endif +// priv->NumTxOkTotal++; + //priv->NumTxOkInPeriod++; //YJ,del,080828 + priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828 + // priv->ieee80211->stats.tx_packets++; + priv->stats.txlpokint++; + rtl8180_tx_isr(dev,LOW_PRIORITY,0); + rtl8180_try_wake_queue(dev, LOW_PRIORITY); + } + +#ifdef CONFIG_RTL8185B + if(inta & ISR_TBKDOK){ //corresponding to BK_PRIORITY + priv->stats.txbkpokint++; +#ifdef DEBUG_TX + DMESGW("TX bk priority ok"); +#endif +// priv->NumTxOkTotal++; + //priv->NumTxOkInPeriod++; //YJ,del,080828 + priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828 + rtl8180_tx_isr(dev,BK_PRIORITY,0); + rtl8180_try_wake_queue(dev, BE_PRIORITY); + } + + if(inta & ISR_TBEDOK){ //corresponding to BE_PRIORITY + priv->stats.txbeperr++; +#ifdef DEBUG_TX + DMESGW("TX be priority ok"); +#endif +// priv->NumTxOkTotal++; + //priv->NumTxOkInPeriod++; //YJ,del,080828 + priv->link_detect.NumTxOkInPeriod++; //YJ,add,080828 + rtl8180_tx_isr(dev,BE_PRIORITY,0); + rtl8180_try_wake_queue(dev, BE_PRIORITY); + } +#endif + force_pci_posting(dev); + spin_unlock_irqrestore(&priv->irq_th_lock,flags); + + return IRQ_HANDLED; +} + + +void rtl8180_irq_rx_tasklet(struct r8180_priv* priv) +{ +// unsigned long flags; + +/* spin_lock_irqsave(&priv->irq_lock, flags); + priv->irq_mask &=~IMR_ROK; + priv->irq_mask &=~IMR_RDU; + + rtl8180_irq_enable(priv->dev); + spin_unlock_irqrestore(&priv->irq_lock, flags); +*/ + rtl8180_rx(priv->dev); + +/* spin_lock_irqsave(&priv->irq_lock, flags); + priv->irq_mask |= IMR_ROK; + priv->irq_mask |= IMR_RDU; + rtl8180_irq_enable(priv->dev); + spin_unlock_irqrestore(&priv->irq_lock, flags); +*/ +} + +/**************************************************************************** +lizhaoming--------------------------- RF power on/power off ----------------- +*****************************************************************************/ + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void GPIOChangeRFWorkItemCallBack(struct work_struct *work) +{ + //struct delayed_work *dwork = container_of(work, struct delayed_work, work); + struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, GPIOChangeRFWorkItem.work); + struct net_device *dev = ieee->dev; + struct r8180_priv *priv = ieee80211_priv(dev); +#else +void GPIOChangeRFWorkItemCallBack(struct ieee80211_device *ieee) +{ + struct net_device *dev = ieee->dev; + struct r8180_priv *priv = ieee80211_priv(dev); +#endif + + //u16 tmp2byte; + u8 btPSR; + u8 btConfig0; + RT_RF_POWER_STATE eRfPowerStateToSet; + bool bActuallySet=false; + + char *argv[3]; + static char *RadioPowerPath = "/etc/acpi/events/RadioPower.sh"; + static char *envp[] = {"HOME=/", "TERM=linux", "PATH=/usr/bin:/bin", NULL}; + static int readf_count = 0; + //printk("============>%s in \n", __func__); + +#ifdef ENABLE_LPS + if(readf_count % 10 == 0) + priv->PowerProfile = read_acadapter_file("/proc/acpi/ac_adapter/AC0/state"); + + readf_count = (readf_count+1)%0xffff; +#endif +#if 0 + if(priv->up == 0)//driver stopped + { + printk("\nDo nothing..."); + goto out; + } + else +#endif + { + // We should turn off LED before polling FF51[4]. + + //Turn off LED. + btPSR = read_nic_byte(dev, PSR); + write_nic_byte(dev, PSR, (btPSR & ~BIT3)); + + //It need to delay 4us suggested by Jong, 2008-01-16 + udelay(4); + + //HW radio On/Off according to the value of FF51[4](config0) + btConfig0 = btPSR = read_nic_byte(dev, CONFIG0); + + //Turn on LED. + write_nic_byte(dev, PSR, btPSR| BIT3); + + eRfPowerStateToSet = (btConfig0 & BIT4) ? eRfOn : eRfOff; + + if((priv->ieee80211->bHwRadioOff == true) && (eRfPowerStateToSet == eRfOn)) + { + priv->ieee80211->bHwRadioOff = false; + bActuallySet = true; + } + else if((priv->ieee80211->bHwRadioOff == false) && (eRfPowerStateToSet == eRfOff)) + { + priv->ieee80211->bHwRadioOff = true; + bActuallySet = true; + } + + if(bActuallySet) + { + MgntActSet_RF_State(dev, eRfPowerStateToSet, RF_CHANGE_BY_HW); + + /* To update the UI status for Power status changed */ + if(priv->ieee80211->bHwRadioOff == true) + argv[1] = "RFOFF"; + else{ + //if(!priv->RfOffReason) + argv[1] = "RFON"; + //else + // argv[1] = "RFOFF"; + } + argv[0] = RadioPowerPath; + argv[2] = NULL; + + call_usermodehelper(RadioPowerPath,argv,envp,1); + } + + } + +} + +static u8 read_acadapter_file(char *filename) +{ +//#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) +#if 0 + int fd; + char buf[1]; + char ret[50]; + int i = 0; + int n = 0; + mm_segment_t old_fs = get_fs(); + set_fs(KERNEL_DS); + + fd = sys_open(filename, O_RDONLY, 0); + if (fd >= 0) { + while (sys_read(fd, buf, 1) == 1) + { + i++; + if(i>10) + { + if(buf[0]!=' ') + { + ret[n]=buf[0]; + n++; + } + } + } + sys_close(fd); + } + ret[n]='\0'; +// printk("%s \n", ret); + set_fs(old_fs); + + if(strncmp(ret, "off-line",8) == 0) + { + return 1; + } +#endif + return 0; +} + +/*************************************************************************** + ------------------- module init / exit stubs ---------------- +****************************************************************************/ +module_init(rtl8180_pci_module_init); +module_exit(rtl8180_pci_module_exit); + |