| /* |
| * tms380tr.h: TI TMS380 Token Ring driver for Linux |
| * |
| * Authors: |
| * - Christoph Goos <cgoos@syskonnect.de> |
| * - Adam Fritzler |
| */ |
| |
| #ifndef __LINUX_TMS380TR_H |
| #define __LINUX_TMS380TR_H |
| |
| #ifdef __KERNEL__ |
| |
| #include <linux/interrupt.h> |
| |
| /* module prototypes */ |
| extern const struct net_device_ops tms380tr_netdev_ops; |
| int tms380tr_open(struct net_device *dev); |
| int tms380tr_close(struct net_device *dev); |
| irqreturn_t tms380tr_interrupt(int irq, void *dev_id); |
| int tmsdev_init(struct net_device *dev, struct device *pdev); |
| void tmsdev_term(struct net_device *dev); |
| void tms380tr_wait(unsigned long time); |
| |
| #define TMS380TR_MAX_ADAPTERS 7 |
| |
| #define SEND_TIMEOUT 10*HZ |
| |
| #define TR_RCF_LONGEST_FRAME_MASK 0x0070 |
| #define TR_RCF_FRAME4K 0x0030 |
| |
| /*------------------------------------------------------------------*/ |
| /* Bit order for adapter communication with DMA */ |
| /* -------------------------------------------------------------- */ |
| /* Bit 8 | 9| 10| 11|| 12| 13| 14| 15|| 0| 1| 2| 3|| 4| 5| 6| 7| */ |
| /* -------------------------------------------------------------- */ |
| /* The bytes in a word must be byte swapped. Also, if a double */ |
| /* word is used for storage, then the words, as well as the bytes, */ |
| /* must be swapped. */ |
| /* Bit order for adapter communication with DIO */ |
| /* -------------------------------------------------------------- */ |
| /* Bit 0 | 1| 2| 3|| 4| 5| 6| 7|| 8| 9| 10| 11|| 12| 13| 14| 15| */ |
| /* -------------------------------------------------------------- */ |
| /*------------------------------------------------------------------*/ |
| |
| /* Swap words of a long. */ |
| #define SWAPW(x) (((x) << 16) | ((x) >> 16)) |
| |
| /* Get the low byte of a word. */ |
| #define LOBYTE(w) ((unsigned char)(w)) |
| |
| /* Get the high byte of a word. */ |
| #define HIBYTE(w) ((unsigned char)((unsigned short)(w) >> 8)) |
| |
| /* Get the low word of a long. */ |
| #define LOWORD(l) ((unsigned short)(l)) |
| |
| /* Get the high word of a long. */ |
| #define HIWORD(l) ((unsigned short)((unsigned long)(l) >> 16)) |
| |
| |
| |
| /* Token ring adapter I/O addresses for normal mode. */ |
| |
| /* |
| * The SIF registers. Common to all adapters. |
| */ |
| /* Basic SIF (SRSX = 0) */ |
| #define SIFDAT 0x00 /* SIF/DMA data. */ |
| #define SIFINC 0x02 /* IO Word data with auto increment. */ |
| #define SIFINH 0x03 /* IO Byte data with auto increment. */ |
| #define SIFADR 0x04 /* SIF/DMA Address. */ |
| #define SIFCMD 0x06 /* SIF Command. */ |
| #define SIFSTS 0x06 /* SIF Status. */ |
| |
| /* "Extended" SIF (SRSX = 1) */ |
| #define SIFACL 0x08 /* SIF Adapter Control Register. */ |
| #define SIFADD 0x0a /* SIF/DMA Address. -- 0x0a */ |
| #define SIFADX 0x0c /* 0x0c */ |
| #define DMALEN 0x0e /* SIF DMA length. -- 0x0e */ |
| |
| /* |
| * POS Registers. Only for ISA Adapters. |
| */ |
| #define POSREG 0x10 /* Adapter Program Option Select (POS) |
| * Register: base IO address + 16 byte. |
| */ |
| #define POSREG_2 24L /* only for TR4/16+ adapter |
| * base IO address + 24 byte. -- 0x18 |
| */ |
| |
| /* SIFCMD command codes (high-low) */ |
| #define CMD_INTERRUPT_ADAPTER 0x8000 /* Cause internal adapter interrupt */ |
| #define CMD_ADAPTER_RESET 0x4000 /* Hardware reset of adapter */ |
| #define CMD_SSB_CLEAR 0x2000 /* Acknowledge to adapter to |
| * system interrupts. |
| */ |
| #define CMD_EXECUTE 0x1000 /* Execute SCB command */ |
| #define CMD_SCB_REQUEST 0x0800 /* Request adapter to interrupt |
| * system when SCB is available for |
| * another command. |
| */ |
| #define CMD_RX_CONTINUE 0x0400 /* Continue receive after odd pointer |
| * stop. (odd pointer receive method) |
| */ |
| #define CMD_RX_VALID 0x0200 /* Now actual RPL is valid. */ |
| #define CMD_TX_VALID 0x0100 /* Now actual TPL is valid. (valid |
| * bit receive/transmit method) |
| */ |
| #define CMD_SYSTEM_IRQ 0x0080 /* Adapter-to-attached-system |
| * interrupt is reset. |
| */ |
| #define CMD_CLEAR_SYSTEM_IRQ 0x0080 /* Clear SYSTEM_INTERRUPT bit. |
| * (write: 1=ignore, 0=reset) |
| */ |
| #define EXEC_SOFT_RESET 0xFF00 /* adapter soft reset. (restart |
| * adapter after hardware reset) |
| */ |
| |
| |
| /* ACL commands (high-low) */ |
| #define ACL_SWHLDA 0x0800 /* Software hold acknowledge. */ |
| #define ACL_SWDDIR 0x0400 /* Data transfer direction. */ |
| #define ACL_SWHRQ 0x0200 /* Pseudo DMA operation. */ |
| #define ACL_PSDMAEN 0x0100 /* Enable pseudo system DMA. */ |
| #define ACL_ARESET 0x0080 /* Adapter hardware reset command. |
| * (held in reset condition as |
| * long as bit is set) |
| */ |
| #define ACL_CPHALT 0x0040 /* Communication processor halt. |
| * (can only be set while ACL_ARESET |
| * bit is set; prevents adapter |
| * processor from executing code while |
| * downloading firmware) |
| */ |
| #define ACL_BOOT 0x0020 |
| #define ACL_SINTEN 0x0008 /* System interrupt enable/disable |
| * (1/0): can be written if ACL_ARESET |
| * is zero. |
| */ |
| #define ACL_PEN 0x0004 |
| |
| #define ACL_NSELOUT0 0x0002 |
| #define ACL_NSELOUT1 0x0001 /* NSELOUTx have a card-specific |
| * meaning for setting ring speed. |
| */ |
| |
| #define PS_DMA_MASK (ACL_SWHRQ | ACL_PSDMAEN) |
| |
| |
| /* SIFSTS register return codes (high-low) */ |
| #define STS_SYSTEM_IRQ 0x0080 /* Adapter-to-attached-system |
| * interrupt is valid. |
| */ |
| #define STS_INITIALIZE 0x0040 /* INITIALIZE status. (ready to |
| * initialize) |
| */ |
| #define STS_TEST 0x0020 /* TEST status. (BUD not completed) */ |
| #define STS_ERROR 0x0010 /* ERROR status. (unrecoverable |
| * HW error occurred) |
| */ |
| #define STS_MASK 0x00F0 /* Mask interesting status bits. */ |
| #define STS_ERROR_MASK 0x000F /* Get Error Code by masking the |
| * interrupt code bits. |
| */ |
| #define ADAPTER_INT_PTRS 0x0A00 /* Address offset of adapter internal |
| * pointers 01:0a00 (high-low) have to |
| * be read after init and before open. |
| */ |
| |
| |
| /* Interrupt Codes (only MAC IRQs) */ |
| #define STS_IRQ_ADAPTER_CHECK 0x0000 /* unrecoverable hardware or |
| * software error. |
| */ |
| #define STS_IRQ_RING_STATUS 0x0004 /* SSB is updated with ring status. */ |
| #define STS_IRQ_LLC_STATUS 0x0005 /* Not used in MAC-only microcode */ |
| #define STS_IRQ_SCB_CLEAR 0x0006 /* SCB clear, following an |
| * SCB_REQUEST IRQ. |
| */ |
| #define STS_IRQ_TIMER 0x0007 /* Not normally used in MAC ucode */ |
| #define STS_IRQ_COMMAND_STATUS 0x0008 /* SSB is updated with command |
| * status. |
| */ |
| #define STS_IRQ_RECEIVE_STATUS 0x000A /* SSB is updated with receive |
| * status. |
| */ |
| #define STS_IRQ_TRANSMIT_STATUS 0x000C /* SSB is updated with transmit |
| * status |
| */ |
| #define STS_IRQ_RECEIVE_PENDING 0x000E /* Not used in MAC-only microcode */ |
| #define STS_IRQ_MASK 0x000F /* = STS_ERROR_MASK. */ |
| |
| |
| /* TRANSMIT_STATUS completion code: (SSB.Parm[0]) */ |
| #define COMMAND_COMPLETE 0x0080 /* TRANSMIT command completed |
| * (avoid this!) issue another transmit |
| * to send additional frames. |
| */ |
| #define FRAME_COMPLETE 0x0040 /* Frame has been transmitted; |
| * INTERRUPT_FRAME bit was set in the |
| * CSTAT request; indication of possibly |
| * more than one frame transmissions! |
| * SSB.Parm[0-1]: 32 bit pointer to |
| * TPL of last frame. |
| */ |
| #define LIST_ERROR 0x0020 /* Error in one of the TPLs that |
| * compose the frame; TRANSMIT |
| * terminated; Parm[1-2]: 32bit pointer |
| * to TPL which starts the error |
| * frame; error details in bits 8-13. |
| * (14?) |
| */ |
| #define FRAME_SIZE_ERROR 0x8000 /* FRAME_SIZE does not equal the sum of |
| * the valid DATA_COUNT fields; |
| * FRAME_SIZE less than header plus |
| * information field. (15 bytes + |
| * routing field) Or if FRAME_SIZE |
| * was specified as zero in one list. |
| */ |
| #define TX_THRESHOLD 0x4000 /* FRAME_SIZE greater than (BUFFER_SIZE |
| * - 9) * TX_BUF_MAX. |
| */ |
| #define ODD_ADDRESS 0x2000 /* Odd forward pointer value is |
| * read on a list without END_FRAME |
| * indication. |
| */ |
| #define FRAME_ERROR 0x1000 /* START_FRAME bit (not) anticipated, |
| * but (not) set. |
| */ |
| #define ACCESS_PRIORITY_ERROR 0x0800 /* Access priority requested has not |
| * been allowed. |
| */ |
| #define UNENABLED_MAC_FRAME 0x0400 /* MAC frame has source class of zero |
| * or MAC frame PCF ATTN field is |
| * greater than one. |
| */ |
| #define ILLEGAL_FRAME_FORMAT 0x0200 /* Bit 0 or FC field was set to one. */ |
| |
| |
| /* |
| * Since we need to support some functions even if the adapter is in a |
| * CLOSED state, we have a (pseudo-) command queue which holds commands |
| * that are outstandig to be executed. |
| * |
| * Each time a command completes, an interrupt occurs and the next |
| * command is executed. The command queue is actually a simple word with |
| * a bit for each outstandig command. Therefore the commands will not be |
| * executed in the order they have been queued. |
| * |
| * The following defines the command code bits and the command queue: |
| */ |
| #define OC_OPEN 0x0001 /* OPEN command */ |
| #define OC_TRANSMIT 0x0002 /* TRANSMIT command */ |
| #define OC_TRANSMIT_HALT 0x0004 /* TRANSMIT_HALT command */ |
| #define OC_RECEIVE 0x0008 /* RECEIVE command */ |
| #define OC_CLOSE 0x0010 /* CLOSE command */ |
| #define OC_SET_GROUP_ADDR 0x0020 /* SET_GROUP_ADDR command */ |
| #define OC_SET_FUNCT_ADDR 0x0040 /* SET_FUNCT_ADDR command */ |
| #define OC_READ_ERROR_LOG 0x0080 /* READ_ERROR_LOG command */ |
| #define OC_READ_ADAPTER 0x0100 /* READ_ADAPTER command */ |
| #define OC_MODIFY_OPEN_PARMS 0x0400 /* MODIFY_OPEN_PARMS command */ |
| #define OC_RESTORE_OPEN_PARMS 0x0800 /* RESTORE_OPEN_PARMS command */ |
| #define OC_SET_FIRST_16_GROUP 0x1000 /* SET_FIRST_16_GROUP command */ |
| #define OC_SET_BRIDGE_PARMS 0x2000 /* SET_BRIDGE_PARMS command */ |
| #define OC_CONFIG_BRIDGE_PARMS 0x4000 /* CONFIG_BRIDGE_PARMS command */ |
| |
| #define OPEN 0x0300 /* C: open command. S: completion. */ |
| #define TRANSMIT 0x0400 /* C: transmit command. S: completion |
| * status. (reject: COMMAND_REJECT if |
| * adapter not opened, TRANSMIT already |
| * issued or address passed in the SCB |
| * not word aligned) |
| */ |
| #define TRANSMIT_HALT 0x0500 /* C: interrupt TX TPL chain; if no |
| * TRANSMIT command issued, the command |
| * is ignored (completion with TRANSMIT |
| * status (0x0400)!) |
| */ |
| #define RECEIVE 0x0600 /* C: receive command. S: completion |
| * status. (reject: COMMAND_REJECT if |
| * adapter not opened, RECEIVE already |
| * issued or address passed in the SCB |
| * not word aligned) |
| */ |
| #define CLOSE 0x0700 /* C: close adapter. S: completion. |
| * (COMMAND_REJECT if adapter not open) |
| */ |
| #define SET_GROUP_ADDR 0x0800 /* C: alter adapter group address after |
| * OPEN. S: completion. (COMMAND_REJECT |
| * if adapter not open) |
| */ |
| #define SET_FUNCT_ADDR 0x0900 /* C: alter adapter functional address |
| * after OPEN. S: completion. |
| * (COMMAND_REJECT if adapter not open) |
| */ |
| #define READ_ERROR_LOG 0x0A00 /* C: read adapter error counters. |
| * S: completion. (command ignored |
| * if adapter not open!) |
| */ |
| #define READ_ADAPTER 0x0B00 /* C: read data from adapter memory. |
| * (important: after init and before |
| * open!) S: completion. (ADAPTER_CHECK |
| * interrupt if undefined storage area |
| * read) |
| */ |
| #define MODIFY_OPEN_PARMS 0x0D00 /* C: modify some adapter operational |
| * parameters. (bit correspondend to |
| * WRAP_INTERFACE is ignored) |
| * S: completion. (reject: |
| * COMMAND_REJECT) |
| */ |
| #define RESTORE_OPEN_PARMS 0x0E00 /* C: modify some adapter operational |
| * parameters. (bit correspondend |
| * to WRAP_INTERFACE is ignored) |
| * S: completion. (reject: |
| * COMMAND_REJECT) |
| */ |
| #define SET_FIRST_16_GROUP 0x0F00 /* C: alter the first two bytes in |
| * adapter group address. |
| * S: completion. (reject: |
| * COMMAND_REJECT) |
| */ |
| #define SET_BRIDGE_PARMS 0x1000 /* C: values and conditions for the |
| * adapter hardware to use when frames |
| * are copied for forwarding. |
| * S: completion. (reject: |
| * COMMAND_REJECT) |
| */ |
| #define CONFIG_BRIDGE_PARMS 0x1100 /* C: .. |
| * S: completion. (reject: |
| * COMMAND_REJECT) |
| */ |
| |
| #define SPEED_4 4 |
| #define SPEED_16 16 /* Default transmission speed */ |
| |
| |
| /* Initialization Parameter Block (IPB); word alignment necessary! */ |
| #define BURST_SIZE 0x0018 /* Default burst size */ |
| #define BURST_MODE 0x9F00 /* Burst mode enable */ |
| #define DMA_RETRIES 0x0505 /* Magic DMA retry number... */ |
| |
| #define CYCLE_TIME 3 /* Default AT-bus cycle time: 500 ns |
| * (later adapter version: fix cycle time!) |
| */ |
| #define LINE_SPEED_BIT 0x80 |
| |
| /* Macro definition for the wait function. */ |
| #define ONE_SECOND_TICKS 1000000 |
| #define HALF_SECOND (ONE_SECOND_TICKS / 2) |
| #define ONE_SECOND (ONE_SECOND_TICKS) |
| #define TWO_SECONDS (ONE_SECOND_TICKS * 2) |
| #define THREE_SECONDS (ONE_SECOND_TICKS * 3) |
| #define FOUR_SECONDS (ONE_SECOND_TICKS * 4) |
| #define FIVE_SECONDS (ONE_SECOND_TICKS * 5) |
| |
| #define BUFFER_SIZE 2048 /* Buffers on Adapter */ |
| |
| #pragma pack(1) |
| typedef struct { |
| unsigned short Init_Options; /* Initialize with burst mode; |
| * LLC disabled. (MAC only) |
| */ |
| |
| /* Interrupt vectors the adapter places on attached system bus. */ |
| u_int8_t CMD_Status_IV; /* Interrupt vector: command status. */ |
| u_int8_t TX_IV; /* Interrupt vector: transmit. */ |
| u_int8_t RX_IV; /* Interrupt vector: receive. */ |
| u_int8_t Ring_Status_IV; /* Interrupt vector: ring status. */ |
| u_int8_t SCB_Clear_IV; /* Interrupt vector: SCB clear. */ |
| u_int8_t Adapter_CHK_IV; /* Interrupt vector: adapter check. */ |
| |
| u_int16_t RX_Burst_Size; /* Max. number of transfer cycles. */ |
| u_int16_t TX_Burst_Size; /* During DMA burst; even value! */ |
| u_int16_t DMA_Abort_Thrhld; /* Number of DMA retries. */ |
| |
| u_int32_t SCB_Addr; /* SCB address: even, word aligned, high-low */ |
| u_int32_t SSB_Addr; /* SSB address: even, word aligned, high-low */ |
| } IPB, *IPB_Ptr; |
| #pragma pack() |
| |
| /* |
| * OPEN Command Parameter List (OCPL) (can be reused, if the adapter has to |
| * be reopened) |
| */ |
| #define BUFFER_SIZE 2048 /* Buffers on Adapter. */ |
| #define TPL_SIZE 8+6*TX_FRAG_NUM /* Depending on fragments per TPL. */ |
| #define RPL_SIZE 14 /* (with TI firmware v2.26 handling |
| * up to nine fragments possible) |
| */ |
| #define TX_BUF_MIN 20 /* ??? (Stephan: calculation with */ |
| #define TX_BUF_MAX 40 /* BUFFER_SIZE and MAX_FRAME_SIZE) ??? |
| */ |
| #define DISABLE_EARLY_TOKEN_RELEASE 0x1000 |
| |
| /* OPEN Options (high-low) */ |
| #define WRAP_INTERFACE 0x0080 /* Inserting omitted for test |
| * purposes; transmit data appears |
| * as receive data. (useful for |
| * testing; change: CLOSE necessary) |
| */ |
| #define DISABLE_HARD_ERROR 0x0040 /* On HARD_ERROR & TRANSMIT_BEACON |
| * no RING.STATUS interrupt. |
| */ |
| #define DISABLE_SOFT_ERROR 0x0020 /* On SOFT_ERROR, no RING.STATUS |
| * interrupt. |
| */ |
| #define PASS_ADAPTER_MAC_FRAMES 0x0010 /* Passing unsupported MAC frames |
| * to system. |
| */ |
| #define PASS_ATTENTION_FRAMES 0x0008 /* All changed attention MAC frames are |
| * passed to the system. |
| */ |
| #define PAD_ROUTING_FIELD 0x0004 /* Routing field is padded to 18 |
| * bytes. |
| */ |
| #define FRAME_HOLD 0x0002 /*Adapter waits for entire frame before |
| * initiating DMA transfer; otherwise: |
| * DMA transfer initiation if internal |
| * buffer filled. |
| */ |
| #define CONTENDER 0x0001 /* Adapter participates in the monitor |
| * contention process. |
| */ |
| #define PASS_BEACON_MAC_FRAMES 0x8000 /* Adapter passes beacon MAC frames |
| * to the system. |
| */ |
| #define EARLY_TOKEN_RELEASE 0x1000 /* Only valid in 16 Mbps operation; |
| * 0 = ETR. (no effect in 4 Mbps |
| * operation) |
| */ |
| #define COPY_ALL_MAC_FRAMES 0x0400 /* All MAC frames are copied to |
| * the system. (after OPEN: duplicate |
| * address test (DAT) MAC frame is |
| * first received frame copied to the |
| * system) |
| */ |
| #define COPY_ALL_NON_MAC_FRAMES 0x0200 /* All non MAC frames are copied to |
| * the system. |
| */ |
| #define PASS_FIRST_BUF_ONLY 0x0100 /* Passes only first internal buffer |
| * of each received frame; FrameSize |
| * of RPLs must contain internal |
| * BUFFER_SIZE bits for promiscuous mode. |
| */ |
| #define ENABLE_FULL_DUPLEX_SELECTION 0x2000 |
| /* Enable the use of full-duplex |
| * settings with bits in byte 22 in |
| * ocpl. (new feature in firmware |
| * version 3.09) |
| */ |
| |
| /* Full-duplex settings */ |
| #define OPEN_FULL_DUPLEX_OFF 0x0000 |
| #define OPEN_FULL_DUPLEX_ON 0x00c0 |
| #define OPEN_FULL_DUPLEX_AUTO 0x0080 |
| |
| #define PROD_ID_SIZE 18 /* Length of product ID. */ |
| |
| #define TX_FRAG_NUM 3 /* Number of fragments used in one TPL. */ |
| #define TX_MORE_FRAGMENTS 0x8000 /* Bit set in DataCount to indicate more |
| * fragments following. |
| */ |
| |
| /* XXX is there some better way to do this? */ |
| #define ISA_MAX_ADDRESS 0x00ffffff |
| #define PCI_MAX_ADDRESS 0xffffffff |
| |
| #pragma pack(1) |
| typedef struct { |
| u_int16_t OPENOptions; |
| u_int8_t NodeAddr[6]; /* Adapter node address; use ROM |
| * address |
| */ |
| u_int32_t GroupAddr; /* Multicast: high order |
| * bytes = 0xC000 |
| */ |
| u_int32_t FunctAddr; /* High order bytes = 0xC000 */ |
| __be16 RxListSize; /* RPL size: 0 (=26), 14, 20 or |
| * 26 bytes read by the adapter. |
| * (Depending on the number of |
| * fragments/list) |
| */ |
| __be16 TxListSize; /* TPL size */ |
| __be16 BufSize; /* Is automatically rounded up to the |
| * nearest nK boundary. |
| */ |
| u_int16_t FullDuplex; |
| u_int16_t Reserved; |
| u_int8_t TXBufMin; /* Number of adapter buffers reserved |
| * for transmission a minimum of 2 |
| * buffers must be allocated. |
| */ |
| u_int8_t TXBufMax; /* Maximum number of adapter buffers |
| * for transmit; a minimum of 2 buffers |
| * must be available for receive. |
| * Default: 6 |
| */ |
| u_int16_t ProdIDAddr[2];/* Pointer to product ID. */ |
| } OPB, *OPB_Ptr; |
| #pragma pack() |
| |
| /* |
| * SCB: adapter commands enabled by the host system started by writing |
| * CMD_INTERRUPT_ADAPTER | CMD_EXECUTE (|SCB_REQUEST) to the SIFCMD IO |
| * register. (special case: | CMD_SYSTEM_IRQ for initialization) |
| */ |
| #pragma pack(1) |
| typedef struct { |
| u_int16_t CMD; /* Command code */ |
| u_int16_t Parm[2]; /* Pointer to Command Parameter Block */ |
| } SCB; /* System Command Block (32 bit physical address; big endian)*/ |
| #pragma pack() |
| |
| /* |
| * SSB: adapter command return status can be evaluated after COMMAND_STATUS |
| * adapter to system interrupt after reading SSB, the availability of the SSB |
| * has to be told the adapter by writing CMD_INTERRUPT_ADAPTER | CMD_SSB_CLEAR |
| * in the SIFCMD IO register. |
| */ |
| #pragma pack(1) |
| typedef struct { |
| u_int16_t STS; /* Status code */ |
| u_int16_t Parm[3]; /* Parameter or pointer to Status Parameter |
| * Block. |
| */ |
| } SSB; /* System Status Block (big endian - physical address) */ |
| #pragma pack() |
| |
| typedef struct { |
| unsigned short BurnedInAddrPtr; /* Pointer to adapter burned in |
| * address. (BIA) |
| */ |
| unsigned short SoftwareLevelPtr;/* Pointer to software level data. */ |
| unsigned short AdapterAddrPtr; /* Pointer to adapter addresses. */ |
| unsigned short AdapterParmsPtr; /* Pointer to adapter parameters. */ |
| unsigned short MACBufferPtr; /* Pointer to MAC buffer. (internal) */ |
| unsigned short LLCCountersPtr; /* Pointer to LLC counters. */ |
| unsigned short SpeedFlagPtr; /* Pointer to data rate flag. |
| * (4/16 Mbps) |
| */ |
| unsigned short AdapterRAMPtr; /* Pointer to adapter RAM found. (KB) */ |
| } INTPTRS; /* Adapter internal pointers */ |
| |
| #pragma pack(1) |
| typedef struct { |
| u_int8_t Line_Error; /* Line error: code violation in |
| * frame or in a token, or FCS error. |
| */ |
| u_int8_t Internal_Error; /* IBM specific. (Reserved_1) */ |
| u_int8_t Burst_Error; |
| u_int8_t ARI_FCI_Error; /* ARI/FCI bit zero in AMP or |
| * SMP MAC frame. |
| */ |
| u_int8_t AbortDelimeters; /* IBM specific. (Reserved_2) */ |
| u_int8_t Reserved_3; |
| u_int8_t Lost_Frame_Error; /* Receive of end of transmitted |
| * frame failed. |
| */ |
| u_int8_t Rx_Congest_Error; /* Adapter in repeat mode has not |
| * enough buffer space to copy incoming |
| * frame. |
| */ |
| u_int8_t Frame_Copied_Error; /* ARI bit not zero in frame |
| * addressed to adapter. |
| */ |
| u_int8_t Frequency_Error; /* IBM specific. (Reserved_4) */ |
| u_int8_t Token_Error; /* (active only in monitor station) */ |
| u_int8_t Reserved_5; |
| u_int8_t DMA_Bus_Error; /* DMA bus errors not exceeding the |
| * abort thresholds. |
| */ |
| u_int8_t DMA_Parity_Error; /* DMA parity errors not exceeding |
| * the abort thresholds. |
| */ |
| } ERRORTAB; /* Adapter error counters */ |
| #pragma pack() |
| |
| |
| /*--------------------- Send and Receive definitions -------------------*/ |
| #pragma pack(1) |
| typedef struct { |
| __be16 DataCount; /* Value 0, even and odd values are |
| * permitted; value is unaltered most |
| * significant bit set: following |
| * fragments last fragment: most |
| * significant bit is not evaluated. |
| * (???) |
| */ |
| __be32 DataAddr; /* Pointer to frame data fragment; |
| * even or odd. |
| */ |
| } Fragment; |
| #pragma pack() |
| |
| #define MAX_FRAG_NUMBERS 9 /* Maximal number of fragments possible to use |
| * in one RPL/TPL. (depending on TI firmware |
| * version) |
| */ |
| |
| /* |
| * AC (1), FC (1), Dst (6), Src (6), RIF (18), Data (4472) = 4504 |
| * The packet size can be one of the follows: 548, 1502, 2084, 4504, 8176, |
| * 11439, 17832. Refer to TMS380 Second Generation Token Ring User's Guide |
| * Page 2-27. |
| */ |
| #define HEADER_SIZE (1 + 1 + 6 + 6) |
| #define SRC_SIZE 18 |
| #define MIN_DATA_SIZE 516 |
| #define DEFAULT_DATA_SIZE 4472 |
| #define MAX_DATA_SIZE 17800 |
| |
| #define DEFAULT_PACKET_SIZE (HEADER_SIZE + SRC_SIZE + DEFAULT_DATA_SIZE) |
| #define MIN_PACKET_SIZE (HEADER_SIZE + SRC_SIZE + MIN_DATA_SIZE) |
| #define MAX_PACKET_SIZE (HEADER_SIZE + SRC_SIZE + MAX_DATA_SIZE) |
| |
| /* |
| * Macros to deal with the frame status field. |
| */ |
| #define AC_NOT_RECOGNIZED 0x00 |
| #define GROUP_BIT 0x80 |
| #define GET_TRANSMIT_STATUS_HIGH_BYTE(Ts) ((unsigned char)((Ts) >> 8)) |
| #define GET_FRAME_STATUS_HIGH_AC(Fs) ((unsigned char)(((Fs) & 0xC0) >> 6)) |
| #define GET_FRAME_STATUS_LOW_AC(Fs) ((unsigned char)(((Fs) & 0x0C) >> 2)) |
| #define DIRECTED_FRAME(Context) (!((Context)->MData[2] & GROUP_BIT)) |
| |
| |
| /*--------------------- Send Functions ---------------------------------*/ |
| /* define TX_CSTAT _REQUEST (R) and _COMPLETE (C) values (high-low) */ |
| |
| #define TX_VALID 0x0080 /* R: set via TRANSMIT.VALID interrupt. |
| * C: always reset to zero! |
| */ |
| #define TX_FRAME_COMPLETE 0x0040 /* R: must be reset to zero. |
| * C: set to one. |
| */ |
| #define TX_START_FRAME 0x0020 /* R: start of a frame: 1 |
| * C: unchanged. |
| */ |
| #define TX_END_FRAME 0x0010 /* R: end of a frame: 1 |
| * C: unchanged. |
| */ |
| #define TX_FRAME_IRQ 0x0008 /* R: request interrupt generation |
| * after transmission. |
| * C: unchanged. |
| */ |
| #define TX_ERROR 0x0004 /* R: reserved. |
| * C: set to one if Error occurred. |
| */ |
| #define TX_INTERFRAME_WAIT 0x0004 |
| #define TX_PASS_CRC 0x0002 /* R: set if CRC value is already |
| * calculated. (valid only in |
| * FRAME_START TPL) |
| * C: unchanged. |
| */ |
| #define TX_PASS_SRC_ADDR 0x0001 /* R: adapter uses explicit frame |
| * source address and does not overwrite |
| * with the adapter node address. |
| * (valid only in FRAME_START TPL) |
| * |
| * C: unchanged. |
| */ |
| #define TX_STRIP_FS 0xFF00 /* R: reserved. |
| * C: if no Transmission Error, |
| * field contains copy of FS byte after |
| * stripping of frame. |
| */ |
| |
| /* |
| * Structure of Transmit Parameter Lists (TPLs) (only one frame every TPL, |
| * but possibly multiple TPLs for one frame) the length of the TPLs has to be |
| * initialized in the OPL. (OPEN parameter list) |
| */ |
| #define TPL_NUM 3 /* Number of Transmit Parameter Lists. |
| * !! MUST BE >= 3 !! |
| */ |
| |
| #pragma pack(1) |
| typedef struct s_TPL TPL; |
| |
| struct s_TPL { /* Transmit Parameter List (align on even word boundaries) */ |
| __be32 NextTPLAddr; /* Pointer to next TPL in chain; if |
| * pointer is odd: this is the last |
| * TPL. Pointing to itself can cause |
| * problems! |
| */ |
| volatile u_int16_t Status; /* Initialized by the adapter: |
| * CSTAT_REQUEST important: update least |
| * significant bit first! Set by the |
| * adapter: CSTAT_COMPLETE status. |
| */ |
| __be16 FrameSize; /* Number of bytes to be transmitted |
| * as a frame including AC/FC, |
| * Destination, Source, Routing field |
| * not including CRC, FS, End Delimiter |
| * (valid only if START_FRAME bit in |
| * CSTAT nonzero) must not be zero in |
| * any list; maximum value: (BUFFER_SIZE |
| * - 8) * TX_BUF_MAX sum of DataCount |
| * values in FragmentList must equal |
| * Frame_Size value in START_FRAME TPL! |
| * frame data fragment list. |
| */ |
| |
| /* TPL/RPL size in OPEN parameter list depending on maximal |
| * numbers of fragments used in one parameter list. |
| */ |
| Fragment FragList[TX_FRAG_NUM]; /* Maximum: nine frame fragments in one |
| * TPL actual version of firmware: 9 |
| * fragments possible. |
| */ |
| #pragma pack() |
| |
| /* Special proprietary data and precalculations */ |
| |
| TPL *NextTPLPtr; /* Pointer to next TPL in chain. */ |
| unsigned char *MData; |
| struct sk_buff *Skb; |
| unsigned char TPLIndex; |
| volatile unsigned char BusyFlag;/* Flag: TPL busy? */ |
| dma_addr_t DMABuff; /* DMA IO bus address from dma_map */ |
| }; |
| |
| /* ---------------------Receive Functions-------------------------------* |
| * define RECEIVE_CSTAT_REQUEST (R) and RECEIVE_CSTAT_COMPLETE (C) values. |
| * (high-low) |
| */ |
| #define RX_VALID 0x0080 /* R: set; tell adapter with |
| * RECEIVE.VALID interrupt. |
| * C: reset to zero. |
| */ |
| #define RX_FRAME_COMPLETE 0x0040 /* R: must be reset to zero, |
| * C: set to one. |
| */ |
| #define RX_START_FRAME 0x0020 /* R: must be reset to zero. |
| * C: set to one on the list. |
| */ |
| #define RX_END_FRAME 0x0010 /* R: must be reset to zero. |
| * C: set to one on the list |
| * that ends the frame. |
| */ |
| #define RX_FRAME_IRQ 0x0008 /* R: request interrupt generation |
| * after receive. |
| * C: unchanged. |
| */ |
| #define RX_INTERFRAME_WAIT 0x0004 /* R: after receiving a frame: |
| * interrupt and wait for a |
| * RECEIVE.CONTINUE. |
| * C: unchanged. |
| */ |
| #define RX_PASS_CRC 0x0002 /* R: if set, the adapter includes |
| * the CRC in data passed. (last four |
| * bytes; valid only if FRAME_START is |
| * set) |
| * C: set, if CRC is included in |
| * received data. |
| */ |
| #define RX_PASS_SRC_ADDR 0x0001 /* R: adapter uses explicit frame |
| * source address and does not |
| * overwrite with the adapter node |
| * address. (valid only if FRAME_START |
| * is set) |
| * C: unchanged. |
| */ |
| #define RX_RECEIVE_FS 0xFC00 /* R: reserved; must be reset to zero. |
| * C: on lists with START_FRAME, field |
| * contains frame status field from |
| * received frame; otherwise cleared. |
| */ |
| #define RX_ADDR_MATCH 0x0300 /* R: reserved; must be reset to zero. |
| * C: address match code mask. |
| */ |
| #define RX_STATUS_MASK 0x00FF /* Mask for receive status bits. */ |
| |
| #define RX_INTERN_ADDR_MATCH 0x0100 /* C: internally address match. */ |
| #define RX_EXTERN_ADDR_MATCH 0x0200 /* C: externally matched via |
| * XMATCH/XFAIL interface. |
| */ |
| #define RX_INTEXT_ADDR_MATCH 0x0300 /* C: internally and externally |
| * matched. |
| */ |
| #define RX_READY (RX_VALID | RX_FRAME_IRQ) /* Ready for receive. */ |
| |
| /* Constants for Command Status Interrupt. |
| * COMMAND_REJECT status field bit functions (SSB.Parm[0]) |
| */ |
| #define ILLEGAL_COMMAND 0x0080 /* Set if an unknown command |
| * is issued to the adapter |
| */ |
| #define ADDRESS_ERROR 0x0040 /* Set if any address field in |
| * the SCB is odd. (not word aligned) |
| */ |
| #define ADAPTER_OPEN 0x0020 /* Command issued illegal with |
| * open adapter. |
| */ |
| #define ADAPTER_CLOSE 0x0010 /* Command issued illegal with |
| * closed adapter. |
| */ |
| #define SAME_COMMAND 0x0008 /* Command issued with same command |
| * already executing. |
| */ |
| |
| /* OPEN_COMPLETION values (SSB.Parm[0], MSB) */ |
| #define NODE_ADDR_ERROR 0x0040 /* Wrong address or BIA read |
| * zero address. |
| */ |
| #define LIST_SIZE_ERROR 0x0020 /* If List_Size value not in 0, |
| * 14, 20, 26. |
| */ |
| #define BUF_SIZE_ERROR 0x0010 /* Not enough available memory for |
| * two buffers. |
| */ |
| #define TX_BUF_COUNT_ERROR 0x0004 /* Remaining receive buffers less than |
| * two. |
| */ |
| #define OPEN_ERROR 0x0002 /* Error during ring insertion; more |
| * information in bits 8-15. |
| */ |
| |
| /* Standard return codes */ |
| #define GOOD_COMPLETION 0x0080 /* =OPEN_SUCCESSFULL */ |
| #define INVALID_OPEN_OPTION 0x0001 /* OPEN options are not supported by |
| * the adapter. |
| */ |
| |
| /* OPEN phases; details of OPEN_ERROR (SSB.Parm[0], LSB) */ |
| #define OPEN_PHASES_MASK 0xF000 /* Check only the bits 8-11. */ |
| #define LOBE_MEDIA_TEST 0x1000 |
| #define PHYSICAL_INSERTION 0x2000 |
| #define ADDRESS_VERIFICATION 0x3000 |
| #define PARTICIPATION_IN_RING_POLL 0x4000 |
| #define REQUEST_INITIALISATION 0x5000 |
| #define FULLDUPLEX_CHECK 0x6000 |
| |
| /* OPEN error codes; details of OPEN_ERROR (SSB.Parm[0], LSB) */ |
| #define OPEN_ERROR_CODES_MASK 0x0F00 /* Check only the bits 12-15. */ |
| #define OPEN_FUNCTION_FAILURE 0x0100 /* Unable to transmit to itself or |
| * frames received before insertion. |
| */ |
| #define OPEN_SIGNAL_LOSS 0x0200 /* Signal loss condition detected at |
| * receiver. |
| */ |
| #define OPEN_TIMEOUT 0x0500 /* Insertion timer expired before |
| * logical insertion. |
| */ |
| #define OPEN_RING_FAILURE 0x0600 /* Unable to receive own ring purge |
| * MAC frames. |
| */ |
| #define OPEN_RING_BEACONING 0x0700 /* Beacon MAC frame received after |
| * ring insertion. |
| */ |
| #define OPEN_DUPLICATE_NODEADDR 0x0800 /* Other station in ring found |
| * with the same address. |
| */ |
| #define OPEN_REQUEST_INIT 0x0900 /* RPS present but does not respond. */ |
| #define OPEN_REMOVE_RECEIVED 0x0A00 /* Adapter received a remove adapter |
| * MAC frame. |
| */ |
| #define OPEN_FULLDUPLEX_SET 0x0D00 /* Got this with full duplex on when |
| * trying to connect to a normal ring. |
| */ |
| |
| /* SET_BRIDGE_PARMS return codes: */ |
| #define BRIDGE_INVALID_MAX_LEN 0x4000 /* MAX_ROUTING_FIELD_LENGTH odd, |
| * less than 6 or > 30. |
| */ |
| #define BRIDGE_INVALID_SRC_RING 0x2000 /* SOURCE_RING number zero, too large |
| * or = TARGET_RING. |
| */ |
| #define BRIDGE_INVALID_TRG_RING 0x1000 /* TARGET_RING number zero, too large |
| * or = SOURCE_RING. |
| */ |
| #define BRIDGE_INVALID_BRDGE_NO 0x0800 /* BRIDGE_NUMBER too large. */ |
| #define BRIDGE_INVALID_OPTIONS 0x0400 /* Invalid bridge options. */ |
| #define BRIDGE_DIAGS_FAILED 0x0200 /* Diagnostics of TMS380SRA failed. */ |
| #define BRIDGE_NO_SRA 0x0100 /* The TMS380SRA does not exist in HW |
| * configuration. |
| */ |
| |
| /* |
| * Bring Up Diagnostics error codes. |
| */ |
| #define BUD_INITIAL_ERROR 0x0 |
| #define BUD_CHECKSUM_ERROR 0x1 |
| #define BUD_ADAPTER_RAM_ERROR 0x2 |
| #define BUD_INSTRUCTION_ERROR 0x3 |
| #define BUD_CONTEXT_ERROR 0x4 |
| #define BUD_PROTOCOL_ERROR 0x5 |
| #define BUD_INTERFACE_ERROR 0x6 |
| |
| /* BUD constants */ |
| #define BUD_MAX_RETRIES 3 |
| #define BUD_MAX_LOOPCNT 6 |
| #define BUD_TIMEOUT 3000 |
| |
| /* Initialization constants */ |
| #define INIT_MAX_RETRIES 3 /* Maximum three retries. */ |
| #define INIT_MAX_LOOPCNT 22 /* Maximum loop counts. */ |
| |
| /* RING STATUS field values (high/low) */ |
| #define SIGNAL_LOSS 0x0080 /* Loss of signal on the ring |
| * detected. |
| */ |
| #define HARD_ERROR 0x0040 /* Transmitting or receiving beacon |
| * frames. |
| */ |
| #define SOFT_ERROR 0x0020 /* Report error MAC frame |
| * transmitted. |
| */ |
| #define TRANSMIT_BEACON 0x0010 /* Transmitting beacon frames on the |
| * ring. |
| */ |
| #define LOBE_WIRE_FAULT 0x0008 /* Open or short circuit in the |
| * cable to concentrator; adapter |
| * closed. |
| */ |
| #define AUTO_REMOVAL_ERROR 0x0004 /* Lobe wrap test failed, deinserted; |
| * adapter closed. |
| */ |
| #define REMOVE_RECEIVED 0x0001 /* Received a remove ring station MAC |
| * MAC frame request; adapter closed. |
| */ |
| #define COUNTER_OVERFLOW 0x8000 /* Overflow of one of the adapters |
| * error counters; READ.ERROR.LOG. |
| */ |
| #define SINGLE_STATION 0x4000 /* Adapter is the only station on the |
| * ring. |
| */ |
| #define RING_RECOVERY 0x2000 /* Claim token MAC frames on the ring; |
| * reset after ring purge frame. |
| */ |
| |
| #define ADAPTER_CLOSED (LOBE_WIRE_FAULT | AUTO_REMOVAL_ERROR |\ |
| REMOVE_RECEIVED) |
| |
| /* Adapter_check_block.Status field bit assignments: */ |
| #define DIO_PARITY 0x8000 /* Adapter detects bad parity |
| * through direct I/O access. |
| */ |
| #define DMA_READ_ABORT 0x4000 /* Aborting DMA read operation |
| * from system Parm[0]: 0=timeout, |
| * 1=parity error, 2=bus error; |
| * Parm[1]: 32 bit pointer to host |
| * system address at failure. |
| */ |
| #define DMA_WRITE_ABORT 0x2000 /* Aborting DMA write operation |
| * to system. (parameters analogous to |
| * DMA_READ_ABORT) |
| */ |
| #define ILLEGAL_OP_CODE 0x1000 /* Illegal operation code in the |
| * the adapters firmware Parm[0]-2: |
| * communications processor registers |
| * R13-R15. |
| */ |
| #define PARITY_ERRORS 0x0800 /* Adapter detects internal bus |
| * parity error. |
| */ |
| #define RAM_DATA_ERROR 0x0080 /* Valid only during RAM testing; |
| * RAM data error Parm[0-1]: 32 bit |
| * pointer to RAM location. |
| */ |
| #define RAM_PARITY_ERROR 0x0040 /* Valid only during RAM testing; |
| * RAM parity error Parm[0-1]: 32 bit |
| * pointer to RAM location. |
| */ |
| #define RING_UNDERRUN 0x0020 /* Internal DMA underrun when |
| * transmitting onto ring. |
| */ |
| #define INVALID_IRQ 0x0008 /* Unrecognized interrupt generated |
| * internal to adapter Parm[0-2]: |
| * adapter register R13-R15. |
| */ |
| #define INVALID_ERROR_IRQ 0x0004 /* Unrecognized error interrupt |
| * generated Parm[0-2]: adapter register |
| * R13-R15. |
| */ |
| #define INVALID_XOP 0x0002 /* Unrecognized XOP request in |
| * communication processor Parm[0-2]: |
| * adapter register R13-R15. |
| */ |
| #define CHECKADDR 0x05E0 /* Adapter check status information |
| * address offset. |
| */ |
| #define ROM_PAGE_0 0x0000 /* Adapter ROM page 0. */ |
| |
| /* |
| * RECEIVE.STATUS interrupt result SSB values: (high-low) |
| * (RECEIVE_COMPLETE field bit definitions in SSB.Parm[0]) |
| */ |
| #define RX_COMPLETE 0x0080 /* SSB.Parm[0]; SSB.Parm[1]: 32 |
| * bit pointer to last RPL. |
| */ |
| #define RX_SUSPENDED 0x0040 /* SSB.Parm[0]; SSB.Parm[1]: 32 |
| * bit pointer to RPL with odd |
| * forward pointer. |
| */ |
| |
| /* Valid receive CSTAT: */ |
| #define RX_FRAME_CONTROL_BITS (RX_VALID | RX_START_FRAME | RX_END_FRAME | \ |
| RX_FRAME_COMPLETE) |
| #define VALID_SINGLE_BUFFER_FRAME (RX_START_FRAME | RX_END_FRAME | \ |
| RX_FRAME_COMPLETE) |
| |
| typedef enum SKB_STAT SKB_STAT; |
| enum SKB_STAT { |
| SKB_UNAVAILABLE, |
| SKB_DMA_DIRECT, |
| SKB_DATA_COPY |
| }; |
| |
| /* Receive Parameter List (RPL) The length of the RPLs has to be initialized |
| * in the OPL. (OPEN parameter list) |
| */ |
| #define RPL_NUM 3 |
| |
| #define RX_FRAG_NUM 1 /* Maximal number of used fragments in one RPL. |
| * (up to firmware v2.24: 3, now: up to 9) |
| */ |
| |
| #pragma pack(1) |
| typedef struct s_RPL RPL; |
| struct s_RPL { /* Receive Parameter List */ |
| __be32 NextRPLAddr; /* Pointer to next RPL in chain |
| * (normalized = physical 32 bit |
| * address) if pointer is odd: this |
| * is last RPL. Pointing to itself can |
| * cause problems! |
| */ |
| volatile u_int16_t Status; /* Set by creation of Receive Parameter |
| * List RECEIVE_CSTAT_COMPLETE set by |
| * adapter in lists that start or end |
| * a frame. |
| */ |
| volatile __be16 FrameSize; /* Number of bytes received as a |
| * frame including AC/FC, Destination, |
| * Source, Routing field not including |
| * CRC, FS (Frame Status), End Delimiter |
| * (valid only if START_FRAME bit in |
| * CSTAT nonzero) must not be zero in |
| * any list; maximum value: (BUFFER_SIZE |
| * - 8) * TX_BUF_MAX sum of DataCount |
| * values in FragmentList must equal |
| * Frame_Size value in START_FRAME TPL! |
| * frame data fragment list |
| */ |
| |
| /* TPL/RPL size in OPEN parameter list depending on maximal numbers |
| * of fragments used in one parameter list. |
| */ |
| Fragment FragList[RX_FRAG_NUM]; /* Maximum: nine frame fragments in |
| * one TPL. Actual version of firmware: |
| * 9 fragments possible. |
| */ |
| #pragma pack() |
| |
| /* Special proprietary data and precalculations. */ |
| RPL *NextRPLPtr; /* Logical pointer to next RPL in chain. */ |
| unsigned char *MData; |
| struct sk_buff *Skb; |
| SKB_STAT SkbStat; |
| int RPLIndex; |
| dma_addr_t DMABuff; /* DMA IO bus address from dma_map */ |
| }; |
| |
| /* Information that need to be kept for each board. */ |
| typedef struct net_local { |
| #pragma pack(1) |
| IPB ipb; /* Initialization Parameter Block. */ |
| SCB scb; /* System Command Block: system to adapter |
| * communication. |
| */ |
| SSB ssb; /* System Status Block: adapter to system |
| * communication. |
| */ |
| OPB ocpl; /* Open Options Parameter Block. */ |
| |
| ERRORTAB errorlogtable; /* Adapter statistic error counters. |
| * (read from adapter memory) |
| */ |
| unsigned char ProductID[PROD_ID_SIZE + 1]; /* Product ID */ |
| #pragma pack() |
| |
| TPL Tpl[TPL_NUM]; |
| TPL *TplFree; |
| TPL *TplBusy; |
| unsigned char LocalTxBuffers[TPL_NUM][DEFAULT_PACKET_SIZE]; |
| |
| RPL Rpl[RPL_NUM]; |
| RPL *RplHead; |
| RPL *RplTail; |
| unsigned char LocalRxBuffers[RPL_NUM][DEFAULT_PACKET_SIZE]; |
| |
| struct device *pdev; |
| int DataRate; |
| unsigned char ScbInUse; |
| unsigned short CMDqueue; |
| |
| unsigned long AdapterOpenFlag:1; |
| unsigned long AdapterVirtOpenFlag:1; |
| unsigned long OpenCommandIssued:1; |
| unsigned long TransmitCommandActive:1; |
| unsigned long TransmitHaltScheduled:1; |
| unsigned long HaltInProgress:1; |
| unsigned long LobeWireFaultLogged:1; |
| unsigned long ReOpenInProgress:1; |
| unsigned long Sleeping:1; |
| |
| unsigned long LastOpenStatus; |
| unsigned short CurrentRingStatus; |
| unsigned long MaxPacketSize; |
| |
| unsigned long StartTime; |
| unsigned long LastSendTime; |
| |
| struct tr_statistics MacStat; /* MAC statistics structure */ |
| |
| unsigned long dmalimit; /* the max DMA address (ie, ISA) */ |
| dma_addr_t dmabuffer; /* the DMA bus address corresponding to |
| priv. Might be different from virt_to_bus() |
| for architectures with IO MMU (Alpha) */ |
| |
| struct timer_list timer; |
| |
| wait_queue_head_t wait_for_tok_int; |
| |
| INTPTRS intptrs; /* Internal adapter pointer. Must be read |
| * before OPEN command. |
| */ |
| unsigned short (*setnselout)(struct net_device *); |
| unsigned short (*sifreadb)(struct net_device *, unsigned short); |
| void (*sifwriteb)(struct net_device *, unsigned short, unsigned short); |
| unsigned short (*sifreadw)(struct net_device *, unsigned short); |
| void (*sifwritew)(struct net_device *, unsigned short, unsigned short); |
| |
| spinlock_t lock; /* SMP protection */ |
| void *tmspriv; |
| } NET_LOCAL; |
| |
| #endif /* __KERNEL__ */ |
| #endif /* __LINUX_TMS380TR_H */ |
