patch-2.3.22 linux/drivers/net/tokenring/sktr.h
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- Lines: 1104
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.3.21/linux/drivers/net/tokenring/sktr.h
- Orig date:
Mon Oct 11 15:38:15 1999
diff -u --recursive --new-file v2.3.21/linux/drivers/net/tokenring/sktr.h linux/drivers/net/tokenring/sktr.h
@@ -1,1103 +0,0 @@
-/* sktr.h: SysKonnect TokenRing driver for Linux
- *
- * Authors:
- * - Christoph Goos <cgoos@syskonnect.de>
- */
-
-#ifndef __LINUX_SKTR_H
-#define __LINUX_SKTR_H
-
-#ifdef __KERNEL__
-
-#define SKTR_MAX_ADAPTERS 7
-
-#define SEND_TIMEOUT 10*HZ
-
-#define TR_RCF_LONGEST_FRAME_MASK 0x0070
-#define TR_RCF_FRAME4K 0x0030
-
-#define SK_ISA 0
-#define SK_PCI 1
-
-/*------------------------------------------------------------------*/
-/* 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 bytes of a word. */
-#define SWAPB(x) (((unsigned short)((x) << 8)) | ((unsigned short)((x) >> 8)))
-
-/* 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. */
-#define SIFDAT 0L /* SIF/DMA data. */
-#define SIFINC 2L /* IO Word data with auto increment. */
-#define SIFINH 3L /* IO Byte data with auto increment. */
-#define SIFADR 4L /* SIF/DMA Address. */
-#define SIFCMD 6L /* SIF Command. */
-#define SIFSTS 6L /* SIF Status. */
-#define SIFACL 8L /* SIF Adapter Control Register. */
-#define SIFADD 10L /* SIF/DMA Address. */
-#define SIFADX 12L
-#define DMALEN 14L /* SIF DMA length. */
-#define POSREG 16L /* 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.
- */
-
-
-/* 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_SPEED4 0x0003
-#define ACL_SPEED16 0x0001
-#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_SCB_CLEAR 0x0006 /* SCB clear, following an
- * SCB_REQUEST IRQ.
- */
-#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_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]: 32 bit 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 is (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. */
- unsigned char CMD_Status_IV; /* Interrupt vector: command status. */
- unsigned char TX_IV; /* Interrupt vector: transmit. */
- unsigned char RX_IV; /* Interrupt vector: receive. */
- unsigned char Ring_Status_IV; /* Interrupt vector: ring status. */
- unsigned char SCB_Clear_IV; /* Interrupt vector: SCB clear. */
- unsigned char Adapter_CHK_IV; /* Interrupt vector: adapter check. */
-
- unsigned short RX_Burst_Size; /* Max. number of transfer cycles. */
- unsigned short TX_Burst_Size; /* During DMA burst; even value! */
- unsigned short DMA_Abort_Thrhld; /* Number of DMA retries. */
-
- unsigned long SCB_Addr; /* SCB address: even, word aligned, high-low. */
- unsigned long 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. (usefull 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 promiscous 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.
- */
-
-#define ISA_MAX_ADDRESS 0x00ffffff
-
-#pragma pack(1)
-typedef struct {
- unsigned short OPENOptions;
- unsigned char NodeAddr[6]; /* Adapter node address; use ROM
- * address
- */
- unsigned long GroupAddr; /* Multicast: high order
- * bytes = 0xC000
- */
- unsigned long FunctAddr; /* High order bytes = 0xC000 */
- unsigned short RxListSize; /* RPL size: 0 (=26), 14, 20 or
- * 26 bytes read by the adapter.
- * (Depending on the number of
- * fragments/list)
- */
- unsigned short TxListSize; /* TPL size */
- unsigned short BufSize; /* Is automatically rounded up to the
- * nearest nK boundary.
- */
- unsigned short FullDuplex;
- unsigned short Reserved;
- unsigned char TXBufMin; /* Number of adapter buffers reserved
- * for transmission a minimum of 2
- * buffers must be allocated.
- */
- unsigned char TXBufMax; /* Maximum number of adapter buffers
- * for transmit; a minimum of 2 buffers
- * must be available for receive.
- * Default: 6
- */
- unsigned short 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 {
- unsigned short CMD; /* Command code */
- unsigned short 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 {
- unsigned short STS; /* Status code */
- unsigned short 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 {
- unsigned char Line_Error; /* Line error: code violation in
- * frame or in a token, or FCS error.
- */
- unsigned char Internal_Error; /* IBM specific. (Reserved_1) */
- unsigned char Burst_Error;
- unsigned char ARI_FCI_Error; /* ARI/FCI bit zero in AMP or
- * SMP MAC frame.
- */
- unsigned char AbortDelimeters; /* IBM specific. (Reserved_2) */
- unsigned char Reserved_3;
- unsigned char Lost_Frame_Error; /* Receive of end of transmitted
- * frame failed.
- */
- unsigned char Rx_Congest_Error; /* Adapter in repeat mode has not
- * enough buffer space to copy incoming
- * frame.
- */
- unsigned char Frame_Copied_Error;/* ARI bit not zero in frame
- * addressed to adapter.
- */
- unsigned char Frequency_Error; /* IBM specific. (Reserved_4) */
- unsigned char Token_Error; /* (active only in monitor station) */
- unsigned char Reserved_5;
- unsigned char DMA_Bus_Error; /* DMA bus errors not exceeding the
- * abort thresholds.
- */
- unsigned char 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 {
- unsigned short 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.
- * (???)
- */
- unsigned long 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)
- */
-#define MAX_TX_QUEUE 10 /* Maximal number of skb's queued in driver. */
-
-/*
- * 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 9 /* 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) */
- unsigned long NextTPLAddr; /* Pointer to next TPL in chain; if
- * pointer is odd: this is the last
- * TPL. Pointing to itself can cause
- * problems!
- */
- volatile unsigned short Status; /* Initialized by the adapter:
- * CSTAT_REQUEST important: update least
- * significant bit first! Set by the
- * adapter: CSTAT_COMPLETE status.
- */
- unsigned short 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? */
-};
-
-/* ---------------------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 */
- unsigned long 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 unsigned short Status; /* Set by creation of Receive Parameter
- * List RECEIVE_CSTAT_COMPLETE set by
- * adapter in lists that start or end
- * a frame.
- */
- volatile unsigned short 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;
-};
-
-/* 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];
-
- int DataRate;
- unsigned char ScbInUse;
- unsigned short CMDqueue;
-
- unsigned int DeviceType;
-
- 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 sk_buff_head SendSkbQueue;
- unsigned short QueueSkb;
-
- struct tr_statistics MacStat; /* MAC statistics structure */
-
- struct timer_list timer;
-
- wait_queue_head_t wait_for_tok_int;
-
- INTPTRS intptrs; /* Internal adapter pointer. Must be read
- * before OPEN command.
- */
-} NET_LOCAL;
-
-#endif /* __KERNEL__ */
-#endif /* __LINUX_SKTR_H */
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)