diff options
Diffstat (limited to 'drivers/net/wireless/arlan.h')
| -rw-r--r-- | drivers/net/wireless/arlan.h | 541 |
1 files changed, 541 insertions, 0 deletions
diff --git a/drivers/net/wireless/arlan.h b/drivers/net/wireless/arlan.h new file mode 100644 index 000000000000..70a6d7b83c4a --- /dev/null +++ b/drivers/net/wireless/arlan.h @@ -0,0 +1,541 @@ +/* + * Copyright (C) 1997 Cullen Jennings + * Copyright (C) 1998 Elmer.Joandi@ut.ee, +37-255-13500 + * GNU General Public License applies + */ + +#include <linux/module.h> +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/skbuff.h> +#include <linux/if_ether.h> /* For the statistics structure. */ +#include <linux/if_arp.h> /* For ARPHRD_ETHER */ +#include <linux/ptrace.h> +#include <linux/ioport.h> +#include <linux/in.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/timer.h> + +#include <linux/init.h> +#include <linux/bitops.h> +#include <asm/system.h> +#include <asm/io.h> +#include <linux/errno.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> + + +//#define ARLAN_DEBUGGING 1 + +#define ARLAN_PROC_INTERFACE +#define MAX_ARLANS 4 /* not more than 4 ! */ +#define ARLAN_PROC_SHM_DUMP /* shows all card registers, makes driver way larger */ + +#define ARLAN_MAX_MULTICAST_ADDRS 16 +#define ARLAN_RCV_CLEAN 0 +#define ARLAN_RCV_PROMISC 1 +#define ARLAN_RCV_CONTROL 2 + +#ifdef CONFIG_PROC_FS +extern int init_arlan_proc(void); +extern void cleanup_arlan_proc(void); +#else +#define init_arlan_proc() ({ 0; }) +#define cleanup_arlan_proc() do { } while (0) +#endif + +extern struct net_device *arlan_device[MAX_ARLANS]; +extern int arlan_debug; +extern int arlan_entry_debug; +extern int arlan_exit_debug; +extern int testMemory; +extern int arlan_command(struct net_device * dev, int command); + +#define SIDUNKNOWN -1 +#define radioNodeIdUNKNOWN -1 +#define irqUNKNOWN 0 +#define debugUNKNOWN 0 +#define testMemoryUNKNOWN 1 +#define spreadingCodeUNKNOWN 0 +#define channelNumberUNKNOWN 0 +#define channelSetUNKNOWN 0 +#define systemIdUNKNOWN -1 +#define registrationModeUNKNOWN -1 + + +#define IFDEBUG( L ) if ( (L) & arlan_debug ) +#define ARLAN_FAKE_HDR_LEN 12 + +#ifdef ARLAN_DEBUGGING + #define DEBUG 1 + #define ARLAN_ENTRY_EXIT_DEBUGGING 1 + #define ARLAN_DEBUG(a,b) printk(KERN_DEBUG a, b) +#else + #define ARLAN_DEBUG(a,b) +#endif + +#define ARLAN_SHMEM_SIZE 0x2000 + +struct arlan_shmem +{ + /* Header Signature */ + volatile char textRegion[48]; + volatile u_char resetFlag; + volatile u_char diagnosticInfo; + volatile u_short diagnosticOffset; + volatile u_char _1[12]; + volatile u_char lanCardNodeId[6]; + volatile u_char broadcastAddress[6]; + volatile u_char hardwareType; + volatile u_char majorHardwareVersion; + volatile u_char minorHardwareVersion; + volatile u_char radioModule;// shows EEPROM, can be overridden at 0x111 + volatile u_char defaultChannelSet; // shows EEProm, can be overriiden at 0x10A + volatile u_char _2[47]; + + /* Control/Status Block - 0x0080 */ + volatile u_char interruptInProgress; /* not used by lancpu */ + volatile u_char cntrlRegImage; /* not used by lancpu */ + volatile u_char _3[13]; + volatile u_char dumpByte; + volatile u_char commandByte; /* non-zero = active */ + volatile u_char commandParameter[15]; + + /* Receive Status - 0x00a0 */ + volatile u_char rxStatus; /* 1- data, 2-control, 0xff - registr change */ + volatile u_char rxFrmType; + volatile u_short rxOffset; + volatile u_short rxLength; + volatile u_char rxSrc[6]; + volatile u_char rxBroadcastFlag; + volatile u_char rxQuality; + volatile u_char scrambled; + volatile u_char _4[1]; + + /* Transmit Status - 0x00b0 */ + volatile u_char txStatus; + volatile u_char txAckQuality; + volatile u_char numRetries; + volatile u_char _5[14]; + volatile u_char registeredRouter[6]; + volatile u_char backboneRouter[6]; + volatile u_char registrationStatus; + volatile u_char configuredStatusFlag; + volatile u_char _6[1]; + volatile u_char ultimateDestAddress[6]; + volatile u_char immedDestAddress[6]; + volatile u_char immedSrcAddress[6]; + volatile u_short rxSequenceNumber; + volatile u_char assignedLocaltalkAddress; + volatile u_char _7[27]; + + /* System Parameter Block */ + + /* - Driver Parameters (Novell Specific) */ + + volatile u_short txTimeout; + volatile u_short transportTime; + volatile u_char _8[4]; + + /* - Configuration Parameters */ + volatile u_char irqLevel; + volatile u_char spreadingCode; + volatile u_char channelSet; + volatile u_char channelNumber; + volatile u_short radioNodeId; + volatile u_char _9[2]; + volatile u_char scramblingDisable; + volatile u_char radioType; + volatile u_short routerId; + volatile u_char _10[9]; + volatile u_char txAttenuation; + volatile u_char systemId[4]; + volatile u_short globalChecksum; + volatile u_char _11[4]; + volatile u_short maxDatagramSize; + volatile u_short maxFrameSize; + volatile u_char maxRetries; + volatile u_char receiveMode; + volatile u_char priority; + volatile u_char rootOrRepeater; + volatile u_char specifiedRouter[6]; + volatile u_short fastPollPeriod; + volatile u_char pollDecay; + volatile u_char fastPollDelay[2]; + volatile u_char arlThreshold; + volatile u_char arlDecay; + volatile u_char _12[1]; + volatile u_short specRouterTimeout; + volatile u_char _13[5]; + + /* Scrambled Area */ + volatile u_char SID[4]; + volatile u_char encryptionKey[12]; + volatile u_char _14[2]; + volatile u_char waitTime[2]; + volatile u_char lParameter[2]; + volatile u_char _15[3]; + volatile u_short headerSize; + volatile u_short sectionChecksum; + + volatile u_char registrationMode; + volatile u_char registrationFill; + volatile u_short pollPeriod; + volatile u_short refreshPeriod; + volatile u_char name[16]; + volatile u_char NID[6]; + volatile u_char localTalkAddress; + volatile u_char codeFormat; + volatile u_char numChannels; + volatile u_char channel1; + volatile u_char channel2; + volatile u_char channel3; + volatile u_char channel4; + volatile u_char SSCode[59]; + + volatile u_char _16[0xC0]; + volatile u_short auxCmd; + volatile u_char dumpPtr[4]; + volatile u_char dumpVal; + volatile u_char _17[0x6A]; + volatile u_char wireTest; + volatile u_char _18[14]; + + /* Statistics Block - 0x0300 */ + volatile u_char hostcpuLock; + volatile u_char lancpuLock; + volatile u_char resetTime[18]; + + volatile u_char numDatagramsTransmitted[4]; + volatile u_char numReTransmissions[4]; + volatile u_char numFramesDiscarded[4]; + volatile u_char numDatagramsReceived[4]; + volatile u_char numDuplicateReceivedFrames[4]; + volatile u_char numDatagramsDiscarded[4]; + + volatile u_short maxNumReTransmitDatagram; + volatile u_short maxNumReTransmitFrames; + volatile u_short maxNumConsecutiveDuplicateFrames; + /* misaligned here so we have to go to characters */ + + volatile u_char numBytesTransmitted[4]; + volatile u_char numBytesReceived[4]; + volatile u_char numCRCErrors[4]; + volatile u_char numLengthErrors[4]; + volatile u_char numAbortErrors[4]; + volatile u_char numTXUnderruns[4]; + volatile u_char numRXOverruns[4]; + volatile u_char numHoldOffs[4]; + volatile u_char numFramesTransmitted[4]; + volatile u_char numFramesReceived[4]; + volatile u_char numReceiveFramesLost[4]; + volatile u_char numRXBufferOverflows[4]; + volatile u_char numFramesDiscardedAddrMismatch[4]; + volatile u_char numFramesDiscardedSIDMismatch[4]; + volatile u_char numPollsTransmistted[4]; + volatile u_char numPollAcknowledges[4]; + volatile u_char numStatusTimeouts[4]; + volatile u_char numNACKReceived[4]; + + volatile u_char _19[0x86]; + + volatile u_char txBuffer[0x800]; + volatile u_char rxBuffer[0x800]; + + volatile u_char _20[0x800]; + volatile u_char _21[0x3fb]; + volatile u_char configStatus; + volatile u_char _22; + volatile u_char progIOCtrl; + volatile u_char shareMBase; + volatile u_char controlRegister; +}; + +struct arlan_conf_stru { + int spreadingCode; + int channelSet; + int channelNumber; + int scramblingDisable; + int txAttenuation; + int systemId; + int maxDatagramSize; + int maxFrameSize; + int maxRetries; + int receiveMode; + int priority; + int rootOrRepeater; + int SID; + int radioNodeId; + int registrationMode; + int registrationFill; + int localTalkAddress; + int codeFormat; + int numChannels; + int channel1; + int channel2; + int channel3; + int channel4; + int txClear; + int txRetries; + int txRouting; + int txScrambled; + int rxParameter; + int txTimeoutMs; + int txAckTimeoutMs; + int waitCardTimeout; + int waitTime; + int lParameter; + int _15; + int headerSize; + int retries; + int tx_delay_ms; + int waitReTransmitPacketMaxSize; + int ReTransmitPacketMaxSize; + int fastReTransCount; + int driverRetransmissions; + int registrationInterrupts; + int hardwareType; + int radioType; + int writeRadioType; + int writeEEPROM; + char siteName[17]; + int measure_rate; + int in_speed; + int out_speed; + int in_speed10; + int out_speed10; + int in_speed_max; + int out_speed_max; + int pre_Command_Wait; + int rx_tweak1; + int rx_tweak2; + int tx_queue_len; +}; + +extern struct arlan_conf_stru arlan_conf[MAX_ARLANS]; + +struct TxParam +{ + volatile short offset; + volatile short length; + volatile u_char dest[6]; + volatile unsigned char clear; + volatile unsigned char retries; + volatile unsigned char routing; + volatile unsigned char scrambled; +}; + +#define TX_RING_SIZE 2 +/* Information that need to be kept for each board. */ +struct arlan_private { + struct net_device_stats stats; + struct arlan_shmem __iomem * card; + struct arlan_shmem * conf; + + struct arlan_conf_stru * Conf; + int bad; + int reset; + unsigned long lastReset; + struct timer_list timer; + struct timer_list tx_delay_timer; + struct timer_list tx_retry_timer; + struct timer_list rx_check_timer; + + int registrationLostCount; + int reRegisterExp; + int irq_test_done; + + struct TxParam txRing[TX_RING_SIZE]; + char reTransmitBuff[0x800]; + int txLast; + unsigned ReTransmitRequested; + unsigned long tx_done_delayed; + unsigned long registrationLastSeen; + + unsigned long tx_last_sent; + unsigned long tx_last_cleared; + unsigned long retransmissions; + unsigned long interrupt_ack_requested; + spinlock_t lock; + unsigned long waiting_command_mask; + unsigned long card_polling_interval; + unsigned long last_command_buff_free_time; + + int under_reset; + int under_config; + int rx_command_given; + int tx_command_given; + unsigned long interrupt_processing_active; + unsigned long last_rx_int_ack_time; + unsigned long in_bytes; + unsigned long out_bytes; + unsigned long in_time; + unsigned long out_time; + unsigned long in_time10; + unsigned long out_time10; + unsigned long in_bytes10; + unsigned long out_bytes10; + int init_etherdev_alloc; +}; + + + +#define ARLAN_CLEAR 0x00 +#define ARLAN_RESET 0x01 +#define ARLAN_CHANNEL_ATTENTION 0x02 +#define ARLAN_INTERRUPT_ENABLE 0x04 +#define ARLAN_CLEAR_INTERRUPT 0x08 +#define ARLAN_POWER 0x40 +#define ARLAN_ACCESS 0x80 + +#define ARLAN_COM_CONF 0x01 +#define ARLAN_COM_RX_ENABLE 0x03 +#define ARLAN_COM_RX_ABORT 0x04 +#define ARLAN_COM_TX_ENABLE 0x05 +#define ARLAN_COM_TX_ABORT 0x06 +#define ARLAN_COM_NOP 0x07 +#define ARLAN_COM_STANDBY 0x08 +#define ARLAN_COM_ACTIVATE 0x09 +#define ARLAN_COM_GOTO_SLOW_POLL 0x0a +#define ARLAN_COM_INT 0x80 + + +#define TXLAST(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[((struct arlan_private *)netdev_priv(dev))->txLast]) +#define TXHEAD(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[0]) +#define TXTAIL(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[1]) + +#define TXBuffStart(dev) offsetof(struct arlan_shmem, txBuffer) +#define TXBuffEnd(dev) offsetof(struct arlan_shmem, xxBuffer) + +#define READSHM(to,from,atype) {\ + atype tmp;\ + memcpy_fromio(&(tmp),&(from),sizeof(atype));\ + to = tmp;\ + } + +#define READSHMEM(from,atype)\ + atype from; \ + READSHM(from, arlan->from, atype); + +#define WRITESHM(to,from,atype) \ + { atype tmpSHM = from;\ + memcpy_toio(&(to),&tmpSHM,sizeof(atype));\ + } + +#define DEBUGSHM(levelSHM,stringSHM,stuff,atype) \ + { atype tmpSHM; \ + memcpy_fromio(&tmpSHM,&(stuff),sizeof(atype));\ + IFDEBUG(levelSHM) printk(stringSHM,tmpSHM);\ + } + +#define WRITESHMB(to, val) \ + writeb(val,&(to)) +#define READSHMB(to) \ + readb(&(to)) +#define WRITESHMS(to, val) \ + writew(val,&(to)) +#define READSHMS(to) \ + readw(&(to)) +#define WRITESHMI(to, val) \ + writel(val,&(to)) +#define READSHMI(to) \ + readl(&(to)) + + + + + +#define registrationBad(dev)\ + ( ( READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationMode) > 0) && \ + ( READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationStatus) == 0) ) + + +#define readControlRegister(dev)\ + READSHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage) + +#define writeControlRegister(dev, v){\ + WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage ,((v) &0xF) );\ + WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->controlRegister ,(v) );} + + +#define arlan_interrupt_lancpu(dev) {\ + int cr; \ + \ + cr = readControlRegister(dev);\ + if (cr & ARLAN_CHANNEL_ATTENTION){ \ + writeControlRegister(dev, (cr & ~ARLAN_CHANNEL_ATTENTION));\ + }else \ + writeControlRegister(dev, (cr | ARLAN_CHANNEL_ATTENTION));\ +} + +#define clearChannelAttention(dev){ \ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CHANNEL_ATTENTION);} +#define setHardwareReset(dev) {\ + writeControlRegister(dev,readControlRegister(dev) | ARLAN_RESET);} +#define clearHardwareReset(dev) {\ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_RESET);} +#define setInterruptEnable(dev){\ + writeControlRegister(dev,readControlRegister(dev) | ARLAN_INTERRUPT_ENABLE) ;} +#define clearInterruptEnable(dev){\ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_INTERRUPT_ENABLE) ;} +#define setClearInterrupt(dev){\ + writeControlRegister(dev,readControlRegister(dev) | ARLAN_CLEAR_INTERRUPT) ;} +#define clearClearInterrupt(dev){\ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CLEAR_INTERRUPT);} +#define setPowerOff(dev){\ + writeControlRegister(dev,readControlRegister(dev) | (ARLAN_POWER && ARLAN_ACCESS));\ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_ACCESS);} +#define setPowerOn(dev){\ + writeControlRegister(dev,readControlRegister(dev) & ~(ARLAN_POWER)); } +#define arlan_lock_card_access(dev){\ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_ACCESS);} +#define arlan_unlock_card_access(dev){\ + writeControlRegister(dev,readControlRegister(dev) | ARLAN_ACCESS ); } + + + + +#define ARLAN_COMMAND_RX 0x000001 +#define ARLAN_COMMAND_NOOP 0x000002 +#define ARLAN_COMMAND_NOOPINT 0x000004 +#define ARLAN_COMMAND_TX 0x000008 +#define ARLAN_COMMAND_CONF 0x000010 +#define ARLAN_COMMAND_RESET 0x000020 +#define ARLAN_COMMAND_TX_ABORT 0x000040 +#define ARLAN_COMMAND_RX_ABORT 0x000080 +#define ARLAN_COMMAND_POWERDOWN 0x000100 +#define ARLAN_COMMAND_POWERUP 0x000200 +#define ARLAN_COMMAND_SLOW_POLL 0x000400 +#define ARLAN_COMMAND_ACTIVATE 0x000800 +#define ARLAN_COMMAND_INT_ACK 0x001000 +#define ARLAN_COMMAND_INT_ENABLE 0x002000 +#define ARLAN_COMMAND_WAIT_NOW 0x004000 +#define ARLAN_COMMAND_LONG_WAIT_NOW 0x008000 +#define ARLAN_COMMAND_STANDBY 0x010000 +#define ARLAN_COMMAND_INT_RACK 0x020000 +#define ARLAN_COMMAND_INT_RENABLE 0x040000 +#define ARLAN_COMMAND_CONF_WAIT 0x080000 +#define ARLAN_COMMAND_TBUSY_CLEAR 0x100000 +#define ARLAN_COMMAND_CLEAN_AND_CONF (ARLAN_COMMAND_TX_ABORT\ + | ARLAN_COMMAND_RX_ABORT\ + | ARLAN_COMMAND_CONF) +#define ARLAN_COMMAND_CLEAN_AND_RESET (ARLAN_COMMAND_TX_ABORT\ + | ARLAN_COMMAND_RX_ABORT\ + | ARLAN_COMMAND_RESET) + + + +#define ARLAN_DEBUG_CHAIN_LOCKS 0x00001 +#define ARLAN_DEBUG_RESET 0x00002 +#define ARLAN_DEBUG_TIMING 0x00004 +#define ARLAN_DEBUG_CARD_STATE 0x00008 +#define ARLAN_DEBUG_TX_CHAIN 0x00010 +#define ARLAN_DEBUG_MULTICAST 0x00020 +#define ARLAN_DEBUG_HEADER_DUMP 0x00040 +#define ARLAN_DEBUG_INTERRUPT 0x00080 +#define ARLAN_DEBUG_STARTUP 0x00100 +#define ARLAN_DEBUG_SHUTDOWN 0x00200 + |