| 1 | /*
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| 2 | ** File: eth.h Version 1.00, Jan. 14, 1997
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| 3 | **
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| 4 | ** Author: Giovanni Falzoni <gfalzoni@inwind.it>
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| 5 | **
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| 6 | ** Interface description for ethernet device driver
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| 7 | **
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| 8 | ** $Log: dp.h,v $
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| 9 | ** Revision 1.4 2005/09/04 18:52:16 beng
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| 10 | ** Giovanni's fixes to dpeth:
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| 11 | ** Date: Sat, 03 Sep 2005 11:05:22 +0200
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| 12 | ** Subject: Minix 3.0.8
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| 13 | **
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| 14 | ** Revision 1.3 2005/08/03 11:53:34 jnherder
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| 15 | ** Miscellaneous cleanups.
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| 16 | **
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| 17 | ** Revision 1.2 2005/08/02 15:30:35 jnherder
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| 18 | ** Various updates to support dynamically starting drivers.
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| 19 | ** Output during initialization should be suppressed. Unless an error occurs.
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| 20 | ** Note that main() can now be main(int argc, char **argv) and arguments can
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| 21 | ** be passed when bringing up the driver.
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| 22 | **
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| 23 | ** Revision 1.1 2005/06/29 10:16:46 beng
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| 24 | ** Import of dpeth 3c501/3c509b/.. ethernet driver by
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| 25 | ** Giovanni Falzoni <fgalzoni@inwind.it>.
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| 26 | **
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| 27 | ** Revision 2.0 2005/06/26 16:16:46 lsodgf0
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| 28 | ** Initial revision for Minix 3.0.6
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| 29 | **
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| 30 | ** $Id: dp.h,v 1.4 2005/09/04 18:52:16 beng Exp $
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| 31 | */
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| 32 |
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| 33 | #undef ENABLE_3C501
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| 34 | #undef ENABLE_3C503
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| 35 | #undef ENABLE_3C509
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| 36 | #undef ENABLE_NE2000
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| 37 | #undef ENABLE_WDETH
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| 38 | #undef ENABLE_DP8390
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| 39 |
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| 40 | #define ENABLE_3C501 1 /* enable 3Com Etherlink I board */
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| 41 | #define ENABLE_3C503 1 /* enable 3Com Etherlink II board */
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| 42 | #define ENABLE_3C509 1 /* enable 3Com Etherlink III board */
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| 43 | #define ENABLE_NE2000 1 /* enable Novell N2000 board */
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| 44 | #define ENABLE_WDETH 1 /* enable Western Digital WD80x3 */
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| 45 |
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| 46 | #define ENABLE_DP8390 (ENABLE_3C503|ENABLE_WDETH|ENABLE_NE2000)
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| 47 | #define HAVE_BUFFERS (ENABLE_3C501|ENABLE_3C509)
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| 48 |
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| 49 | #undef NULL
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| 50 | #define NULL ((void *)0)
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| 51 | #define NOT(x) (~(x))
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| 52 |
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| 53 | #if debug == 1
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| 54 | # define DEBUG(statm) statm
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| 55 | #else
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| 56 | # define DEBUG(statm)
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| 57 | #endif
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| 58 |
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| 59 | typedef struct _m_hdr_t { /* Buffer handling header */
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| 60 | struct _m_hdr_t *next;
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| 61 | int size;
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| 62 | } m_hdr_t;
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| 63 |
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| 64 | typedef struct _buff_t { /* Receive/Transmit buffer header */
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| 65 | struct _buff_t *next;
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| 66 | int size;
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| 67 | int client;
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| 68 | char buffer[2];
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| 69 | } buff_t;
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| 70 |
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| 71 | struct dpeth;
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| 72 | struct iovec_dat;
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| 73 | typedef void (*dp_eth_t) (struct dpeth *);
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| 74 | typedef void (*dp_send_recv_t) (struct dpeth *, int, int);
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| 75 |
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| 76 | #if ENABLE_DP8390 == 1
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| 77 | typedef void (*dp_user2nicf_t) (struct dpeth *, int, int);
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| 78 | typedef void (*dp_nic2userf_t) (struct dpeth *, int, int);
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| 79 | typedef void (*dp_getblock_t) (struct dpeth *, u16_t, int, void *);
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| 80 | #endif
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| 81 |
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| 82 | #define DE_PORT_NR 2 /* Number of devices supported */
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| 83 | #define SENDQ_NR 2 /* Size of the send queue */
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| 84 | #define IOVEC_NR 16 /* Number of IOVEC entries at a time */
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| 85 |
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| 86 | typedef struct iovec_dat {
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| 87 | iovec_t iod_iovec[IOVEC_NR];
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| 88 | int iod_iovec_s;
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| 89 | int iod_proc_nr;
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| 90 | vir_bytes iod_iovec_addr;
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| 91 | } iovec_dat_t;
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| 92 |
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| 93 | typedef struct dpeth {
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| 94 | /* The de_base_port field is the starting point of the probe. The
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| 95 | * conf routine also fills de_linmem and de_irq. If the probe routine
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| 96 | * knows the irq and/or memory address because they are hardwired in
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| 97 | * the board, the probe should modify these fields. Futhermore, the
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| 98 | * probe routine should also fill in de_initf and de_stopf fields
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| 99 | * with the appropriate function pointers and set de_prog_IO iff
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| 100 | * programmed I/O is to be used.
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| 101 | *
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| 102 | * The initf function fills the following fields. Only cards that do
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| 103 | * programmed I/O fill in the de_data_port field. In addition, the
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| 104 | * init routine has to fill in the sendq data structures. */
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| 105 |
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| 106 | /* Board hardware interface */
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| 107 | port_t de_base_port;
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| 108 | port_t de_data_port; /* For boards using Prog. I/O for xmit/recv */
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| 109 |
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| 110 | int de_irq;
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| 111 | int de_int_pending;
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| 112 | int de_hook; /* interrupt hook at kernel */
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| 113 |
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| 114 | char de_name[8];
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| 115 |
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| 116 | #define DEI_DEFAULT 0x8000
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| 117 |
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| 118 | phys_bytes de_linmem; /* For boards using shared memory */
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| 119 | unsigned short de_memsegm;
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| 120 | vir_bytes de_memoffs;
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| 121 | int de_ramsize; /* Size of on board memory */
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| 122 | int de_offset_page; /* Offset of shared memory page */
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| 123 |
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| 124 | /* Board specific functions */
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| 125 | dp_eth_t de_initf;
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| 126 | dp_eth_t de_stopf;
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| 127 | dp_eth_t de_resetf;
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| 128 | dp_eth_t de_flagsf;
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| 129 | dp_eth_t de_getstatsf;
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| 130 | dp_eth_t de_dumpstatsf;
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| 131 | dp_eth_t de_interruptf;
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| 132 | dp_send_recv_t de_recvf;
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| 133 | dp_send_recv_t de_sendf;
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| 134 |
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| 135 | ether_addr_t de_address; /* Ethernet Address */
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| 136 | eth_stat_t de_stat; /* Ethernet Statistics */
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| 137 | unsigned long bytes_Tx; /* Total bytes sent/received */
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| 138 | unsigned long bytes_Rx;
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| 139 |
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| 140 | #define SA_ADDR_LEN sizeof(ether_addr_t)
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| 141 |
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| 142 | int de_flags; /* Send/Receive mode (Configuration) */
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| 143 |
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| 144 | #define DEF_EMPTY 0x0000
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| 145 | #define DEF_READING 0x0001
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| 146 | #define DEF_RECV_BUSY 0x0002
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| 147 | #define DEF_ACK_RECV 0x0004
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| 148 | #define DEF_SENDING 0x0010
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| 149 | #define DEF_XMIT_BUSY 0x0020
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| 150 | #define DEF_ACK_SEND 0x0040
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| 151 | #define DEF_PROMISC 0x0100
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| 152 | #define DEF_MULTI 0x0200
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| 153 | #define DEF_BROAD 0x0400
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| 154 | #define DEF_ENABLED 0x2000
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| 155 | #define DEF_STOPPED 0x4000
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| 156 |
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| 157 | int de_mode; /* Status of the Interface */
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| 158 |
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| 159 | #define DEM_DISABLED 0x0000
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| 160 | #define DEM_SINK 0x0001
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| 161 | #define DEM_ENABLED 0x0002
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| 162 |
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| 163 | /* Temporary storage for RECV/SEND requests */
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| 164 | iovec_dat_t de_read_iovec;
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| 165 | iovec_dat_t de_write_iovec;
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| 166 | vir_bytes de_read_s;
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| 167 | vir_bytes de_send_s;
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| 168 | int de_client;
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| 169 | /*
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| 170 | message de_sendmsg;
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| 171 | iovec_dat_t de_tmp_iovec;
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| 172 | */
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| 173 | #if ENABLE_DP8390 == 1
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| 174 | /* For use by NS DP8390 driver */
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| 175 | port_t de_dp8390_port;
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| 176 | int de_prog_IO;
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| 177 | int de_16bit;
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| 178 | int de_startpage;
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| 179 | int de_stoppage;
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| 180 |
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| 181 | /* Do it yourself send queue */
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| 182 | struct sendq {
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| 183 | int sq_filled; /* This buffer contains a packet */
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| 184 | int sq_size; /* with this size */
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| 185 | int sq_sendpage; /* starting page of the buffer */
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| 186 | } de_sendq[SENDQ_NR];
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| 187 | int de_sendq_nr;
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| 188 | int de_sendq_head; /* Enqueue at the head */
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| 189 | int de_sendq_tail; /* Dequeue at the tail */
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| 190 |
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| 191 | dp_user2nicf_t de_user2nicf;
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| 192 | dp_nic2userf_t de_nic2userf;
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| 193 | dp_getblock_t de_getblockf;
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| 194 | #endif
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| 195 |
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| 196 | #if ENABLE_3C509 == 1
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| 197 | /* For use by 3Com Etherlink III (3c509) driver */
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| 198 | port_t de_id_port;
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| 199 | port_t de_if_port;
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| 200 | #endif
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| 201 |
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| 202 | #if ENABLE_3C501 == 1 || ENABLE_3C509 == 1
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| 203 | /* For use by 3Com Etherlink (3c501 and 3c509) driver */
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| 204 | buff_t *de_recvq_head;
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| 205 | buff_t *de_recvq_tail;
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| 206 | buff_t *de_xmitq_head;
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| 207 | buff_t *de_xmitq_tail;
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| 208 | u16_t de_recv_mode;
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| 209 | clock_t de_xmit_start;
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| 210 | #endif
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| 211 |
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| 212 | } dpeth_t;
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| 213 |
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| 214 | /*
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| 215 | * Function definitions
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| 216 | */
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| 217 |
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| 218 | /* dp.c */
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| 219 | void dp_next_iovec(iovec_dat_t * iovp);
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| 220 |
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| 221 | /* devio.c */
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| 222 | #if defined USE_IOPL
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| 223 | #include <ibm/portio.h>
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| 224 | #else
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| 225 | unsigned int inb(unsigned short int);
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| 226 | unsigned int inw(unsigned short int);
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| 227 | void insb(unsigned short int, int, void *, int);
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| 228 | void insw(unsigned short int, int, void *, int);
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| 229 | void outb(unsigned short int, unsigned long);
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| 230 | void outw(unsigned short int, unsigned long);
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| 231 | void outsb(unsigned short int, int, void *, int);
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| 232 | void outsw(unsigned short int, int, void *, int);
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| 233 | #endif
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| 234 |
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| 235 | /* netbuff.c */
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| 236 | void *alloc_buff(dpeth_t *, int);
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| 237 | void free_buff(dpeth_t *, void *);
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| 238 | void init_buff(dpeth_t *, buff_t **);
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| 239 | void mem2user(dpeth_t *, buff_t *);
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| 240 | void user2mem(dpeth_t *, buff_t *);
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| 241 |
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| 242 | /* 3c501.c */
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| 243 | #if ENABLE_3C501 == 1
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| 244 | int el1_probe(dpeth_t *);
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| 245 | #else
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| 246 | #define el1_probe(x) (0)
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| 247 | #endif
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| 248 |
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| 249 | /* 3c503.c */
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| 250 | #if ENABLE_3C503 == 1
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| 251 | int el2_probe(dpeth_t *);
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| 252 | #else
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| 253 | #define el2_probe(x) (0)
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| 254 | #endif
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| 255 |
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| 256 | /* 3c509.c */
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| 257 | #if ENABLE_3C509 == 1
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| 258 | int el3_probe(dpeth_t *);
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| 259 | #else
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| 260 | #define el3_probe(x) (0)
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| 261 | #endif
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| 262 |
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| 263 | /* ne.c */
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| 264 | #if ENABLE_NE2000 == 1
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| 265 | int ne_probe(dpeth_t * dep);
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| 266 | #else
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| 267 | #define ne_probe(x) (0)
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| 268 | #endif
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| 269 |
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| 270 | /* wd.c */
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| 271 | #if ENABLE_WDETH == 1
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| 272 | int wdeth_probe(dpeth_t * dep);
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| 273 | #else
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| 274 | #define wdeth_probe(x) (0)
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| 275 | #endif
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| 276 |
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| 277 | #define lock() (++dep->de_int_pending,sys_irqdisable(&dep->de_hook))
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| 278 | #define unlock() do{int i=(--dep->de_int_pending)?0:sys_irqenable(&dep->de_hook);}while(0)
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| 279 | #define milli_delay(t) tickdelay(1)
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| 280 |
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| 281 | /** dp.h **/
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