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[/] [or1k/] [trunk/] [rtems-20020807/] [c/] [src/] [lib/] [libbsp/] [i386/] [i386ex/] [network/] [uti596.h] - Rev 1765
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/* 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. * * uti596.h,v 1.2 1999/01/20 18:55:50 joel Exp */ #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. */ }; enum commands { CmdNOp = 0, CmdSASetup = 1, CmdConfigure = 2, CmdMulticastList = 3, CmdTx = 4, CmdTDR = 5, CmdDump = 6, CmdDiagnose = 7 }; #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 struct i596_cmd { volatile unsigned short status; volatile unsigned short command; struct i596_cmd *next; }; #define I596_NULL ( ( void * ) 0xffffffff) #define UTI_596_END_OF_FRAME 0x8000 #define SIZE_MASK 0x3fff /* * Transmit buffer Descriptor */ struct i596_tbd { unsigned short size; unsigned short pad; struct i596_tbd *next; char *data; }; /* * Receive buffer Descriptor */ struct i596_rbd { unsigned short count; unsigned short offset; struct i596_rbd *next; char *data; unsigned short size; unsigned short pad; }; /* * Transmit Command Structure */ struct tx_cmd { struct i596_cmd cmd; struct i596_tbd *pTbd; unsigned short size; unsigned short pad; } ; /* * Receive Frame Descriptor */ struct i596_rfd { volatile unsigned short stat; volatile unsigned short cmd; struct i596_rfd *next; struct i596_rbd *pRbd; unsigned short count; unsigned short size; char data [1532 ]; } ; struct i596_dump { struct i596_cmd cmd; char * pData; }; struct i596_set_add { struct i596_cmd cmd; char data[8]; }; struct i596_configure { struct i596_cmd cmd; char data[16]; }; struct i596_nop { struct i596_cmd cmd; }; struct i596_tdr { struct i596_cmd cmd; unsigned int data; }; #define RX_RING_SIZE 8 /* * System Control Block */ struct i596_scb { volatile unsigned short status; volatile unsigned short command; struct i596_cmd *pCmd; struct i596_rfd *pRfd; 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_on; volatile unsigned short t_off; }; /* * Intermediate System Control Block */ struct i596_iscp { volatile unsigned long stat; struct i596_scb *scb; } ; /* * System Control Parameters */ struct i596_scp { unsigned long sysbus; unsigned long pad; struct i596_iscp *iscp; } ; struct uti596_softc { struct arpcom arpcom; rtems_irq_connect_data irqInfo; struct i596_scp *pScp; struct i596_iscp iscp; struct i596_scb scb; struct i596_set_add set_add; struct i596_configure set_conf; struct i596_tdr tdr; struct i596_nop nop; unsigned long stat; struct tx_cmd *pTxCmd; struct i596_tbd *pTbd; int ioAddr; struct i596_rfd *pBeginRFA; struct i596_rfd *pEndRFA; struct i596_rfd *pLastUnkRFD; struct i596_rbd *pLastUnkRBD; struct i596_rfd *pEndSavedQueue; struct i596_cmd *pCmdHead; struct 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; struct i596_rfd *pInboundFrameQueue; short int rxBdCount; short int txBdCount; short int countRFD; short int savedCount; struct 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 */ } ; #endif