diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/mvme167/network/uti596.h')
| -rw-r--r-- | c/src/lib/libbsp/m68k/mvme167/network/uti596.h | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme167/network/uti596.h b/c/src/lib/libbsp/m68k/mvme167/network/uti596.h new file mode 100644 index 0000000000..5757767526 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mvme167/network/uti596.h @@ -0,0 +1,298 @@ + +/* uti596.h: Contains the defines and structures used by the uti596 driver */ + +/* + * EII: March 11: Created v. 0.0 + * Jan 12/98 Added STAT bits, s11-=s5 and max_colls. + * + * $Id$ + */ + +#ifndef UTI596_H +#define UTI596_H +#include <rtems/error.h> +#include <rtems/rtems_bsdnet.h> + +#include <sys/param.h> +#include <sys/mbuf.h> +#include <sys/socket.h> +#include <sys/sockio.h> + +#include <net/if.h> + +#include <netinet/in.h> +#include <netinet/if_ether.h> + +/* Ethernet statistics */ + +struct enet_statistics{ + int rx_packets; /* total packets received */ + int tx_packets; /* total packets transmitted */ + int rx_errors; /* bad packets received */ + int tx_errors; /* packet transmit problems */ + int rx_dropped; /* no space in buffers */ + int tx_dropped; + int tx_retries_exceeded; /* excessive retries */ + int multicast; /* multicast packets received */ + int collisions; + + /* detailed rx_errors: */ + int rx_length_errors; + int rx_over_errors; /* receiver ring buff overflow */ + int rx_crc_errors; /* recved pkt with crc error */ + int rx_frame_errors; /* recv'd frame alignment error */ + int rx_fifo_errors; /* recv'r fifo overrun */ + int rx_missed_errors; /* receiver missed packet */ + + /* detailed tx_errors */ + int tx_aborted_errors; + int tx_carrier_errors; + int tx_fifo_errors; + int tx_heartbeat_errors; + int tx_window_errors; + + /* NIC reset errors */ + int nic_reset_count; /* The number of times uti596reset() has been called. */ +}; + +#define UTI596_MUTEX 1 + + +#define CMD_EOL 0x8000 /* The last command of the list, stop. */ +#define CMD_SUSP 0x4000 /* Suspend after doing cmd. */ +#define CMD_INTR 0x2000 /* Interrupt after doing cmd. */ + +#define CMD_FLEX 0x0008 /* Enable flexible memory model */ + +#define SCB_STAT_CX 0x8000 /* Cmd completes with 'I' bit set */ +#define SCB_STAT_FR 0x4000 /* Frame Received */ +#define SCB_STAT_CNA 0x2000 /* Cmd unit Not Active */ +#define SCB_STAT_RNR 0x1000 /* Receiver Not Ready */ + +#define SCB_CUS_SUSPENDED 0x0100 +#define SCB_CUS_ACTIVE 0x0200 + + +#define STAT_C 0x8000 /* Set to 1 after execution */ +#define STAT_B 0x4000 /* 1 : Cmd being executed, 0 : Cmd done. */ +#define STAT_OK 0x2000 /* 1: Command executed ok 0 : Error */ +#define STAT_A 0x1000 /* command has been aborted */ + +#define STAT_S11 0x0800 +#define STAT_S10 0x0400 +#define STAT_S9 0x0200 +#define STAT_S8 0x0100 +#define STAT_S7 0x0080 +#define STAT_S6 0x0040 +#define STAT_S5 0x0020 +#define STAT_MAX_COLLS 0x000F + + + +#define RBD_STAT_P 0x4000 /* prefetch */ +#define RBD_STAT_F 0x4000 /* used */ + +#define CUC_START 0x0100 +#define CUC_RESUME 0x0200 +#define CUC_SUSPEND 0x0300 +#define CUC_ABORT 0x0400 +#define RX_START 0x0010 +#define RX_RESUME 0x0020 +#define RX_SUSPEND 0x0030 +#define RX_ABORT 0x0040 + +#define RU_SUSPENDED 0x0010 +#define RU_NO_RESOURCES 0x0020 +#define RU_READY 0x0040 + + +#define IO_ADDR 0x360 +#define PORT_ADDR IO_ADDR +#define CHAN_ATTN PORT_ADDR + 4 +#define NIC_ADDR PORT_ADDR + 8 + +#define I596_NULL ( ( void * ) 0xffffffff) +#define UTI_596_END_OF_FRAME 0x8000 +#define SIZE_MASK 0x3fff + +struct i596_tbd; + +enum commands { + CmdNOp = 0, + CmdSASetup = 1, + CmdConfigure = 2, + CmdMulticastList = 3, + CmdTx = 4, + CmdTDR = 5, + CmdDump = 6, + CmdDiagnose = 7 +}; + +/* + * Action commands + * (big endian, linear mode) + */ +typedef volatile struct i596_cmd { + volatile unsigned short status; + volatile unsigned short command; + volatile struct i596_cmd *next; +} i596_cmd; + +typedef volatile struct i596_nop { + i596_cmd cmd; +} i596_nop; + +typedef volatile struct i596_set_add { + i596_cmd cmd; + char data[8]; +} i596_set_add; + +typedef volatile struct i596_configure { + i596_cmd cmd; + char data[16]; +} i596_configure; + +typedef volatile struct i596_tx { + i596_cmd cmd; + volatile struct i596_tbd *pTbd; + unsigned short count; + unsigned short pad; + char data[6]; + unsigned short length; +} i596_tx; + +typedef volatile struct i596_tdr { + i596_cmd cmd; + unsigned long data; +} i596_tdr; + +typedef volatile struct i596_dump { + i596_cmd cmd; + char *pData; +} i596_dump; + +/* + * Transmit buffer descriptor + */ +typedef volatile struct i596_tbd { + unsigned short size; + unsigned short pad; + volatile struct i596_tbd *next; + char *data; +} i596_tbd; + +/* + * Receive buffer descriptor + * (flexible memory structure) + */ +typedef volatile struct i596_rbd { + unsigned short count; + unsigned short offset; + volatile struct i596_rbd *next; + char *data; + unsigned short size; + unsigned short pad; +} i596_rbd; + +/* + * Receive Frame Descriptor + */ +typedef volatile struct i596_rfd { + volatile unsigned short stat; + volatile unsigned short cmd; + volatile struct i596_rfd *next; + i596_rbd *pRbd; + unsigned short count; + unsigned short size; + char data [1532]; +} i596_rfd; + +#define RX_RING_SIZE 8 + +/* + * System Control Block + */ +typedef volatile struct i596_scb { + volatile unsigned short status; + volatile unsigned short command; + volatile unsigned long Cmd_val; + volatile unsigned long Rfd_val; + volatile unsigned long crc_err; + volatile unsigned long align_err; + volatile unsigned long resource_err; + volatile unsigned long over_err; + volatile unsigned long rcvdt_err; + volatile unsigned long short_err; + volatile unsigned short t_off; + volatile unsigned short t_on; + i596_cmd *pCmd; + i596_rfd *pRfd; +} i596_scb; + +/* + * Intermediate System Configuration Pointer + */ +typedef volatile struct i596_iscp { + volatile unsigned long stat; + volatile unsigned long scb_val; + i596_scb *scb; +} i596_iscp; + +/* + * System Configuration Pointer + */ +typedef volatile struct i596_scp { + unsigned long sysbus; + unsigned long pad; + unsigned long iscp_val; + i596_iscp *iscp; +} i596_scp; + +typedef volatile struct uti596_softc { + struct arpcom arpcom; + i596_scp *pScp; + i596_iscp iscp; + i596_scb scb; + i596_set_add set_add; + i596_configure set_conf; + i596_tdr tdr; + i596_nop nop; + unsigned long stat; + i596_tx *pTxCmd; + i596_tbd *pTbd; + + int ioAddr; + + i596_rfd *pBeginRFA; + i596_rfd *pEndRFA; + i596_rfd *pLastUnkRFD; + i596_rbd *pLastUnkRBD; + i596_rfd *pEndSavedQueue; + i596_cmd *pCmdHead; + i596_cmd *pCmdTail; /* unneeded, as chaining not used, but implemented */ + + rtems_id rxDaemonTid; + rtems_id txDaemonTid; + rtems_id resetDaemonTid; + + struct enet_statistics stats; + int started; + unsigned long rxInterrupts; + unsigned long txInterrupts; + volatile int cmdOk; + int resetDone; + unsigned long txRawWait; + i596_rfd *pInboundFrameQueue; + short int rxBdCount; + short int txBdCount; + short int countRFD; + short int savedCount; + i596_rfd *pSavedRfdQueue; + rtems_name semaphore_name; + rtems_id semaphore_id; + char zeroes[64]; + unsigned long rawsndcnt; + int nic_reset; /* flag is for requesting that ISR issue a reset quest */ +} uti596_softc_; + +#endif /* UTI596_H */ |