1142 lines
39 KiB
C
1142 lines
39 KiB
C
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/*
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* tms380tr.h: TI TMS380 Token Ring driver for Linux
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*
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* Authors:
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* - Christoph Goos <cgoos@syskonnect.de>
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* - Adam Fritzler
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*/
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#ifndef __LINUX_TMS380TR_H
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#define __LINUX_TMS380TR_H
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#ifdef __KERNEL__
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#include <linux/interrupt.h>
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/* module prototypes */
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extern const struct net_device_ops tms380tr_netdev_ops;
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int tms380tr_open(struct net_device *dev);
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int tms380tr_close(struct net_device *dev);
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irqreturn_t tms380tr_interrupt(int irq, void *dev_id);
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int tmsdev_init(struct net_device *dev, struct device *pdev);
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void tmsdev_term(struct net_device *dev);
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void tms380tr_wait(unsigned long time);
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#define TMS380TR_MAX_ADAPTERS 7
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#define SEND_TIMEOUT 10*HZ
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#define TR_RCF_LONGEST_FRAME_MASK 0x0070
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#define TR_RCF_FRAME4K 0x0030
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/*------------------------------------------------------------------*/
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/* Bit order for adapter communication with DMA */
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/* -------------------------------------------------------------- */
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/* Bit 8 | 9| 10| 11|| 12| 13| 14| 15|| 0| 1| 2| 3|| 4| 5| 6| 7| */
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/* -------------------------------------------------------------- */
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/* The bytes in a word must be byte swapped. Also, if a double */
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/* word is used for storage, then the words, as well as the bytes, */
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/* must be swapped. */
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/* Bit order for adapter communication with DIO */
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/* -------------------------------------------------------------- */
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/* Bit 0 | 1| 2| 3|| 4| 5| 6| 7|| 8| 9| 10| 11|| 12| 13| 14| 15| */
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/* -------------------------------------------------------------- */
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/*------------------------------------------------------------------*/
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/* Swap words of a long. */
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#define SWAPW(x) (((x) << 16) | ((x) >> 16))
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/* Get the low byte of a word. */
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#define LOBYTE(w) ((unsigned char)(w))
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/* Get the high byte of a word. */
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#define HIBYTE(w) ((unsigned char)((unsigned short)(w) >> 8))
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/* Get the low word of a long. */
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#define LOWORD(l) ((unsigned short)(l))
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/* Get the high word of a long. */
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#define HIWORD(l) ((unsigned short)((unsigned long)(l) >> 16))
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/* Token ring adapter I/O addresses for normal mode. */
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/*
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* The SIF registers. Common to all adapters.
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*/
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/* Basic SIF (SRSX = 0) */
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#define SIFDAT 0x00 /* SIF/DMA data. */
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#define SIFINC 0x02 /* IO Word data with auto increment. */
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#define SIFINH 0x03 /* IO Byte data with auto increment. */
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#define SIFADR 0x04 /* SIF/DMA Address. */
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#define SIFCMD 0x06 /* SIF Command. */
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#define SIFSTS 0x06 /* SIF Status. */
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/* "Extended" SIF (SRSX = 1) */
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#define SIFACL 0x08 /* SIF Adapter Control Register. */
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#define SIFADD 0x0a /* SIF/DMA Address. -- 0x0a */
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#define SIFADX 0x0c /* 0x0c */
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#define DMALEN 0x0e /* SIF DMA length. -- 0x0e */
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/*
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* POS Registers. Only for ISA Adapters.
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*/
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#define POSREG 0x10 /* Adapter Program Option Select (POS)
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* Register: base IO address + 16 byte.
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*/
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#define POSREG_2 24L /* only for TR4/16+ adapter
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* base IO address + 24 byte. -- 0x18
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*/
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/* SIFCMD command codes (high-low) */
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#define CMD_INTERRUPT_ADAPTER 0x8000 /* Cause internal adapter interrupt */
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#define CMD_ADAPTER_RESET 0x4000 /* Hardware reset of adapter */
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#define CMD_SSB_CLEAR 0x2000 /* Acknowledge to adapter to
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* system interrupts.
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*/
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#define CMD_EXECUTE 0x1000 /* Execute SCB command */
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#define CMD_SCB_REQUEST 0x0800 /* Request adapter to interrupt
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* system when SCB is available for
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* another command.
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*/
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#define CMD_RX_CONTINUE 0x0400 /* Continue receive after odd pointer
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* stop. (odd pointer receive method)
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*/
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#define CMD_RX_VALID 0x0200 /* Now actual RPL is valid. */
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#define CMD_TX_VALID 0x0100 /* Now actual TPL is valid. (valid
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* bit receive/transmit method)
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*/
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#define CMD_SYSTEM_IRQ 0x0080 /* Adapter-to-attached-system
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* interrupt is reset.
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*/
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#define CMD_CLEAR_SYSTEM_IRQ 0x0080 /* Clear SYSTEM_INTERRUPT bit.
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* (write: 1=ignore, 0=reset)
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*/
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#define EXEC_SOFT_RESET 0xFF00 /* adapter soft reset. (restart
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* adapter after hardware reset)
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*/
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/* ACL commands (high-low) */
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#define ACL_SWHLDA 0x0800 /* Software hold acknowledge. */
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#define ACL_SWDDIR 0x0400 /* Data transfer direction. */
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#define ACL_SWHRQ 0x0200 /* Pseudo DMA operation. */
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#define ACL_PSDMAEN 0x0100 /* Enable pseudo system DMA. */
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#define ACL_ARESET 0x0080 /* Adapter hardware reset command.
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* (held in reset condition as
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* long as bit is set)
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*/
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#define ACL_CPHALT 0x0040 /* Communication processor halt.
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* (can only be set while ACL_ARESET
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* bit is set; prevents adapter
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* processor from executing code while
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* downloading firmware)
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*/
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#define ACL_BOOT 0x0020
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#define ACL_SINTEN 0x0008 /* System interrupt enable/disable
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* (1/0): can be written if ACL_ARESET
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* is zero.
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*/
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#define ACL_PEN 0x0004
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#define ACL_NSELOUT0 0x0002
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#define ACL_NSELOUT1 0x0001 /* NSELOUTx have a card-specific
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* meaning for setting ring speed.
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*/
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#define PS_DMA_MASK (ACL_SWHRQ | ACL_PSDMAEN)
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/* SIFSTS register return codes (high-low) */
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#define STS_SYSTEM_IRQ 0x0080 /* Adapter-to-attached-system
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* interrupt is valid.
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*/
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#define STS_INITIALIZE 0x0040 /* INITIALIZE status. (ready to
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* initialize)
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*/
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#define STS_TEST 0x0020 /* TEST status. (BUD not completed) */
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#define STS_ERROR 0x0010 /* ERROR status. (unrecoverable
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* HW error occurred)
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*/
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#define STS_MASK 0x00F0 /* Mask interesting status bits. */
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#define STS_ERROR_MASK 0x000F /* Get Error Code by masking the
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* interrupt code bits.
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*/
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#define ADAPTER_INT_PTRS 0x0A00 /* Address offset of adapter internal
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* pointers 01:0a00 (high-low) have to
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* be read after init and before open.
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*/
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/* Interrupt Codes (only MAC IRQs) */
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#define STS_IRQ_ADAPTER_CHECK 0x0000 /* unrecoverable hardware or
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* software error.
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*/
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#define STS_IRQ_RING_STATUS 0x0004 /* SSB is updated with ring status. */
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#define STS_IRQ_LLC_STATUS 0x0005 /* Not used in MAC-only microcode */
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#define STS_IRQ_SCB_CLEAR 0x0006 /* SCB clear, following an
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* SCB_REQUEST IRQ.
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*/
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#define STS_IRQ_TIMER 0x0007 /* Not normally used in MAC ucode */
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#define STS_IRQ_COMMAND_STATUS 0x0008 /* SSB is updated with command
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* status.
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*/
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#define STS_IRQ_RECEIVE_STATUS 0x000A /* SSB is updated with receive
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* status.
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*/
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#define STS_IRQ_TRANSMIT_STATUS 0x000C /* SSB is updated with transmit
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* status
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*/
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#define STS_IRQ_RECEIVE_PENDING 0x000E /* Not used in MAC-only microcode */
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#define STS_IRQ_MASK 0x000F /* = STS_ERROR_MASK. */
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/* TRANSMIT_STATUS completion code: (SSB.Parm[0]) */
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#define COMMAND_COMPLETE 0x0080 /* TRANSMIT command completed
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* (avoid this!) issue another transmit
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* to send additional frames.
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*/
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#define FRAME_COMPLETE 0x0040 /* Frame has been transmitted;
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* INTERRUPT_FRAME bit was set in the
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* CSTAT request; indication of possibly
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* more than one frame transmissions!
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* SSB.Parm[0-1]: 32 bit pointer to
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* TPL of last frame.
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*/
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#define LIST_ERROR 0x0020 /* Error in one of the TPLs that
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* compose the frame; TRANSMIT
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* terminated; Parm[1-2]: 32bit pointer
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* to TPL which starts the error
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* frame; error details in bits 8-13.
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* (14?)
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*/
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#define FRAME_SIZE_ERROR 0x8000 /* FRAME_SIZE does not equal the sum of
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* the valid DATA_COUNT fields;
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* FRAME_SIZE less than header plus
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* information field. (15 bytes +
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* routing field) Or if FRAME_SIZE
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* was specified as zero in one list.
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*/
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#define TX_THRESHOLD 0x4000 /* FRAME_SIZE greater than (BUFFER_SIZE
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* - 9) * TX_BUF_MAX.
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*/
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#define ODD_ADDRESS 0x2000 /* Odd forward pointer value is
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* read on a list without END_FRAME
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* indication.
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*/
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#define FRAME_ERROR 0x1000 /* START_FRAME bit (not) anticipated,
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* but (not) set.
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*/
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#define ACCESS_PRIORITY_ERROR 0x0800 /* Access priority requested has not
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* been allowed.
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*/
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#define UNENABLED_MAC_FRAME 0x0400 /* MAC frame has source class of zero
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* or MAC frame PCF ATTN field is
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* greater than one.
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*/
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#define ILLEGAL_FRAME_FORMAT 0x0200 /* Bit 0 or FC field was set to one. */
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/*
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* Since we need to support some functions even if the adapter is in a
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* CLOSED state, we have a (pseudo-) command queue which holds commands
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* that are outstandig to be executed.
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*
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* Each time a command completes, an interrupt occurs and the next
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* command is executed. The command queue is actually a simple word with
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* a bit for each outstandig command. Therefore the commands will not be
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* executed in the order they have been queued.
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*
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* The following defines the command code bits and the command queue:
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*/
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#define OC_OPEN 0x0001 /* OPEN command */
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#define OC_TRANSMIT 0x0002 /* TRANSMIT command */
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#define OC_TRANSMIT_HALT 0x0004 /* TRANSMIT_HALT command */
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#define OC_RECEIVE 0x0008 /* RECEIVE command */
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#define OC_CLOSE 0x0010 /* CLOSE command */
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#define OC_SET_GROUP_ADDR 0x0020 /* SET_GROUP_ADDR command */
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#define OC_SET_FUNCT_ADDR 0x0040 /* SET_FUNCT_ADDR command */
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#define OC_READ_ERROR_LOG 0x0080 /* READ_ERROR_LOG command */
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#define OC_READ_ADAPTER 0x0100 /* READ_ADAPTER command */
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#define OC_MODIFY_OPEN_PARMS 0x0400 /* MODIFY_OPEN_PARMS command */
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#define OC_RESTORE_OPEN_PARMS 0x0800 /* RESTORE_OPEN_PARMS command */
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#define OC_SET_FIRST_16_GROUP 0x1000 /* SET_FIRST_16_GROUP command */
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#define OC_SET_BRIDGE_PARMS 0x2000 /* SET_BRIDGE_PARMS command */
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#define OC_CONFIG_BRIDGE_PARMS 0x4000 /* CONFIG_BRIDGE_PARMS command */
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#define OPEN 0x0300 /* C: open command. S: completion. */
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#define TRANSMIT 0x0400 /* C: transmit command. S: completion
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* status. (reject: COMMAND_REJECT if
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* adapter not opened, TRANSMIT already
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* issued or address passed in the SCB
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* not word aligned)
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*/
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#define TRANSMIT_HALT 0x0500 /* C: interrupt TX TPL chain; if no
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* TRANSMIT command issued, the command
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* is ignored (completion with TRANSMIT
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* status (0x0400)!)
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*/
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#define RECEIVE 0x0600 /* C: receive command. S: completion
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* status. (reject: COMMAND_REJECT if
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* adapter not opened, RECEIVE already
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* issued or address passed in the SCB
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* not word aligned)
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*/
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#define CLOSE 0x0700 /* C: close adapter. S: completion.
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* (COMMAND_REJECT if adapter not open)
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*/
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#define SET_GROUP_ADDR 0x0800 /* C: alter adapter group address after
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* OPEN. S: completion. (COMMAND_REJECT
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* if adapter not open)
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*/
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#define SET_FUNCT_ADDR 0x0900 /* C: alter adapter functional address
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* after OPEN. S: completion.
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* (COMMAND_REJECT if adapter not open)
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*/
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#define READ_ERROR_LOG 0x0A00 /* C: read adapter error counters.
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* S: completion. (command ignored
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* if adapter not open!)
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*/
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#define READ_ADAPTER 0x0B00 /* C: read data from adapter memory.
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* (important: after init and before
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* open!) S: completion. (ADAPTER_CHECK
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* interrupt if undefined storage area
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* read)
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*/
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#define MODIFY_OPEN_PARMS 0x0D00 /* C: modify some adapter operational
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* parameters. (bit correspondend to
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* WRAP_INTERFACE is ignored)
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* S: completion. (reject:
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* COMMAND_REJECT)
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*/
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#define RESTORE_OPEN_PARMS 0x0E00 /* C: modify some adapter operational
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* parameters. (bit correspondend
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* to WRAP_INTERFACE is ignored)
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* S: completion. (reject:
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* COMMAND_REJECT)
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*/
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#define SET_FIRST_16_GROUP 0x0F00 /* C: alter the first two bytes in
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* adapter group address.
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* S: completion. (reject:
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* COMMAND_REJECT)
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*/
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#define SET_BRIDGE_PARMS 0x1000 /* C: values and conditions for the
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* adapter hardware to use when frames
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* are copied for forwarding.
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* S: completion. (reject:
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* COMMAND_REJECT)
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*/
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#define CONFIG_BRIDGE_PARMS 0x1100 /* C: ..
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* S: completion. (reject:
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* COMMAND_REJECT)
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*/
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#define SPEED_4 4
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#define SPEED_16 16 /* Default transmission speed */
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/* Initialization Parameter Block (IPB); word alignment necessary! */
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#define BURST_SIZE 0x0018 /* Default burst size */
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||
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#define BURST_MODE 0x9F00 /* Burst mode enable */
|
||
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#define DMA_RETRIES 0x0505 /* Magic DMA retry number... */
|
||
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||
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#define CYCLE_TIME 3 /* Default AT-bus cycle time: 500 ns
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||
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* (later adapter version: fix cycle time!)
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||
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|
*/
|
||
|
|
#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 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* 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()
|
||
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|
||
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/* 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 */
|
||
|
|
};
|
||
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|
|
||
|
|
/* 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 */
|