| /* |
| * 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/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 <linux/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 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 |