+++ /dev/null
-/*
- * Intel i82586 Ethernet definitions
- *
- * This is an extension to the Linux operating system, and is covered by the
- * same Gnu Public License that covers that work.
- *
- * copyrights (c) 1994 by Michael Hipp (hippm@informatik.uni-tuebingen.de)
- *
- * I have done a look in the following sources:
- * crynwr-packet-driver by Russ Nelson
- * Garret A. Wollman's i82586-driver for BSD
- */
-
-/*
- * Cloned from ni52.h, copyright as above.
- *
- * Modified for Sun3 OBIO i82586 by Sam Creasey (sammy@sammy.net)
- */
-
-
-/* defines for the obio chip (not vme) */
-#define IEOB_NORSET 0x80 /* don't reset the board */
-#define IEOB_ONAIR 0x40 /* put us on the air */
-#define IEOB_ATTEN 0x20 /* attention! */
-#define IEOB_IENAB 0x10 /* interrupt enable */
-#define IEOB_XXXXX 0x08 /* free bit */
-#define IEOB_XCVRL2 0x04 /* level 2 transceiver? */
-#define IEOB_BUSERR 0x02 /* bus error */
-#define IEOB_INT 0x01 /* interrupt */
-
-/* where the obio one lives */
-#define IE_OBIO 0xc0000
-#define IE_IRQ 3
-
-/*
- * where to find the System Configuration Pointer (SCP)
- */
-#define SCP_DEFAULT_ADDRESS 0xfffff4
-
-
-/*
- * System Configuration Pointer Struct
- */
-
-struct scp_struct
-{
- unsigned short zero_dum0; /* has to be zero */
- unsigned char sysbus; /* 0=16Bit,1=8Bit */
- unsigned char zero_dum1; /* has to be zero for 586 */
- unsigned short zero_dum2;
- unsigned short zero_dum3;
- char *iscp; /* pointer to the iscp-block */
-};
-
-
-/*
- * Intermediate System Configuration Pointer (ISCP)
- */
-struct iscp_struct
-{
- unsigned char busy; /* 586 clears after successful init */
- unsigned char zero_dummy; /* has to be zero */
- unsigned short scb_offset; /* pointeroffset to the scb_base */
- char *scb_base; /* base-address of all 16-bit offsets */
-};
-
-/*
- * System Control Block (SCB)
- */
-struct scb_struct
-{
- unsigned char rus;
- unsigned char cus;
- unsigned char cmd_ruc; /* command word: RU part */
- unsigned char cmd_cuc; /* command word: CU part & ACK */
- unsigned short cbl_offset; /* pointeroffset, command block list */
- unsigned short rfa_offset; /* pointeroffset, receive frame area */
- unsigned short crc_errs; /* CRC-Error counter */
- unsigned short aln_errs; /* allignmenterror counter */
- unsigned short rsc_errs; /* Resourceerror counter */
- unsigned short ovrn_errs; /* OVerrunerror counter */
-};
-
-/*
- * possible command values for the command word
- */
-#define RUC_MASK 0x0070 /* mask for RU commands */
-#define RUC_NOP 0x0000 /* NOP-command */
-#define RUC_START 0x0010 /* start RU */
-#define RUC_RESUME 0x0020 /* resume RU after suspend */
-#define RUC_SUSPEND 0x0030 /* suspend RU */
-#define RUC_ABORT 0x0040 /* abort receiver operation immediately */
-
-#define CUC_MASK 0x07 /* mask for CU command */
-#define CUC_NOP 0x00 /* NOP-command */
-#define CUC_START 0x01 /* start execution of 1. cmd on the CBL */
-#define CUC_RESUME 0x02 /* resume after suspend */
-#define CUC_SUSPEND 0x03 /* Suspend CU */
-#define CUC_ABORT 0x04 /* abort command operation immediately */
-
-#define ACK_MASK 0xf0 /* mask for ACK command */
-#define ACK_CX 0x80 /* acknowledges STAT_CX */
-#define ACK_FR 0x40 /* ack. STAT_FR */
-#define ACK_CNA 0x20 /* ack. STAT_CNA */
-#define ACK_RNR 0x10 /* ack. STAT_RNR */
-
-/*
- * possible status values for the status word
- */
-#define STAT_MASK 0xf0 /* mask for cause of interrupt */
-#define STAT_CX 0x80 /* CU finished cmd with its I bit set */
-#define STAT_FR 0x40 /* RU finished receiving a frame */
-#define STAT_CNA 0x20 /* CU left active state */
-#define STAT_RNR 0x10 /* RU left ready state */
-
-#define CU_STATUS 0x7 /* CU status, 0=idle */
-#define CU_SUSPEND 0x1 /* CU is suspended */
-#define CU_ACTIVE 0x2 /* CU is active */
-
-#define RU_STATUS 0x70 /* RU status, 0=idle */
-#define RU_SUSPEND 0x10 /* RU suspended */
-#define RU_NOSPACE 0x20 /* RU no resources */
-#define RU_READY 0x40 /* RU is ready */
-
-/*
- * Receive Frame Descriptor (RFD)
- */
-struct rfd_struct
-{
- unsigned char stat_low; /* status word */
- unsigned char stat_high; /* status word */
- unsigned char rfd_sf; /* 82596 mode only */
- unsigned char last; /* Bit15,Last Frame on List / Bit14,suspend */
- unsigned short next; /* linkoffset to next RFD */
- unsigned short rbd_offset; /* pointeroffset to RBD-buffer */
- unsigned char dest[6]; /* ethernet-address, destination */
- unsigned char source[6]; /* ethernet-address, source */
- unsigned short length; /* 802.3 frame-length */
- unsigned short zero_dummy; /* dummy */
-};
-
-#define RFD_LAST 0x80 /* last: last rfd in the list */
-#define RFD_SUSP 0x40 /* last: suspend RU after */
-#define RFD_COMPL 0x80
-#define RFD_OK 0x20
-#define RFD_BUSY 0x40
-#define RFD_ERR_LEN 0x10 /* Length error (if enabled length-checking */
-#define RFD_ERR_CRC 0x08 /* CRC error */
-#define RFD_ERR_ALGN 0x04 /* Alignment error */
-#define RFD_ERR_RNR 0x02 /* status: receiver out of resources */
-#define RFD_ERR_OVR 0x01 /* DMA Overrun! */
-
-#define RFD_ERR_FTS 0x0080 /* Frame to short */
-#define RFD_ERR_NEOP 0x0040 /* No EOP flag (for bitstuffing only) */
-#define RFD_ERR_TRUN 0x0020 /* (82596 only/SF mode) indicates truncated frame */
-#define RFD_MATCHADD 0x0002 /* status: Destinationaddress !matches IA (only 82596) */
-#define RFD_COLLDET 0x0001 /* Detected collision during reception */
-
-/*
- * Receive Buffer Descriptor (RBD)
- */
-struct rbd_struct
-{
- unsigned short status; /* status word,number of used bytes in buff */
- unsigned short next; /* pointeroffset to next RBD */
- char *buffer; /* receive buffer address pointer */
- unsigned short size; /* size of this buffer */
- unsigned short zero_dummy; /* dummy */
-};
-
-#define RBD_LAST 0x8000 /* last buffer */
-#define RBD_USED 0x4000 /* this buffer has data */
-#define RBD_MASK 0x3fff /* size-mask for length */
-
-/*
- * Statusvalues for Commands/RFD
- */
-#define STAT_COMPL 0x8000 /* status: frame/command is complete */
-#define STAT_BUSY 0x4000 /* status: frame/command is busy */
-#define STAT_OK 0x2000 /* status: frame/command is ok */
-
-/*
- * Action-Commands
- */
-#define CMD_NOP 0x0000 /* NOP */
-#define CMD_IASETUP 0x0001 /* initial address setup command */
-#define CMD_CONFIGURE 0x0002 /* configure command */
-#define CMD_MCSETUP 0x0003 /* MC setup command */
-#define CMD_XMIT 0x0004 /* transmit command */
-#define CMD_TDR 0x0005 /* time domain reflectometer (TDR) command */
-#define CMD_DUMP 0x0006 /* dump command */
-#define CMD_DIAGNOSE 0x0007 /* diagnose command */
-
-/*
- * Action command bits
- */
-#define CMD_LAST 0x8000 /* indicates last command in the CBL */
-#define CMD_SUSPEND 0x4000 /* suspend CU after this CB */
-#define CMD_INT 0x2000 /* generate interrupt after execution */
-
-/*
- * NOP - command
- */
-struct nop_cmd_struct
-{
- unsigned short cmd_status; /* status of this command */
- unsigned short cmd_cmd; /* the command itself (+bits) */
- unsigned short cmd_link; /* offsetpointer to next command */
-};
-
-/*
- * IA Setup command
- */
-struct iasetup_cmd_struct
-{
- unsigned short cmd_status;
- unsigned short cmd_cmd;
- unsigned short cmd_link;
- unsigned char iaddr[6];
-};
-
-/*
- * Configure command
- */
-struct configure_cmd_struct
-{
- unsigned short cmd_status;
- unsigned short cmd_cmd;
- unsigned short cmd_link;
- unsigned char byte_cnt; /* size of the config-cmd */
- unsigned char fifo; /* fifo/recv monitor */
- unsigned char sav_bf; /* save bad frames (bit7=1)*/
- unsigned char adr_len; /* adr_len(0-2),al_loc(3),pream(4-5),loopbak(6-7)*/
- unsigned char priority; /* lin_prio(0-2),exp_prio(4-6),bof_metd(7) */
- unsigned char ifs; /* inter frame spacing */
- unsigned char time_low; /* slot time low */
- unsigned char time_high; /* slot time high(0-2) and max. retries(4-7) */
- unsigned char promisc; /* promisc-mode(0) , et al (1-7) */
- unsigned char carr_coll; /* carrier(0-3)/collision(4-7) stuff */
- unsigned char fram_len; /* minimal frame len */
- unsigned char dummy; /* dummy */
-};
-
-/*
- * Multicast Setup command
- */
-struct mcsetup_cmd_struct
-{
- unsigned short cmd_status;
- unsigned short cmd_cmd;
- unsigned short cmd_link;
- unsigned short mc_cnt; /* number of bytes in the MC-List */
- unsigned char mc_list[0][6]; /* pointer to 6 bytes entries */
-};
-
-/*
- * DUMP command
- */
-struct dump_cmd_struct
-{
- unsigned short cmd_status;
- unsigned short cmd_cmd;
- unsigned short cmd_link;
- unsigned short dump_offset; /* pointeroffset to DUMP space */
-};
-
-/*
- * transmit command
- */
-struct transmit_cmd_struct
-{
- unsigned short cmd_status;
- unsigned short cmd_cmd;
- unsigned short cmd_link;
- unsigned short tbd_offset; /* pointeroffset to TBD */
- unsigned char dest[6]; /* destination address of the frame */
- unsigned short length; /* user defined: 802.3 length / Ether type */
-};
-
-#define TCMD_ERRMASK 0x0fa0
-#define TCMD_MAXCOLLMASK 0x000f
-#define TCMD_MAXCOLL 0x0020
-#define TCMD_HEARTBEAT 0x0040
-#define TCMD_DEFERRED 0x0080
-#define TCMD_UNDERRUN 0x0100
-#define TCMD_LOSTCTS 0x0200
-#define TCMD_NOCARRIER 0x0400
-#define TCMD_LATECOLL 0x0800
-
-struct tdr_cmd_struct
-{
- unsigned short cmd_status;
- unsigned short cmd_cmd;
- unsigned short cmd_link;
- unsigned short status;
-};
-
-#define TDR_LNK_OK 0x8000 /* No link problem identified */
-#define TDR_XCVR_PRB 0x4000 /* indicates a transceiver problem */
-#define TDR_ET_OPN 0x2000 /* open, no correct termination */
-#define TDR_ET_SRT 0x1000 /* TDR detected a short circuit */
-#define TDR_TIMEMASK 0x07ff /* mask for the time field */
-
-/*
- * Transmit Buffer Descriptor (TBD)
- */
-struct tbd_struct
-{
- unsigned short size; /* size + EOF-Flag(15) */
- unsigned short next; /* pointeroffset to next TBD */
- char *buffer; /* pointer to buffer */
-};
-
-#define TBD_LAST 0x8000 /* EOF-Flag, indicates last buffer in list */
-
-
-
-
git.openpandora.org / pandora-kernel.git / blobdiff