i386/linux/linux-0.99/drivers/net/Space.c

   1 /*
   2  * INET         An implementation of the TCP/IP protocol suite for the LINUX
   3  *              operating system.  INET is implemented using the  BSD Socket
   4  *              interface as the means of communication with the user level.
   5  *
   6  *              Holds initial configuration information for devices.
   7  *
   8  * NOTE:        This file is a nice idea, but its current format does not work
   9  *              well for drivers that support multiple units, like the SLIP
  10  *              driver.  We should actually have only one pointer to a driver
  11  *              here, with the driver knowing how many units it supports.
  12  *              Currently, the SLIP driver abuses the "base_addr" integer
  13  *              field of the 'device' structure to store the unit number...
  14  *              -FvK
  15  *
  16  * Version:     @(#)Space.c     1.0.7   08/12/93
  17  *
  18  * Authors:     Ross Biro, <bir7@leland.Stanford.Edu>
  19  *              Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
  20  *              Donald J. Becker, <becker@super.org>
  21  *
  22  *              This program is free software; you can redistribute it and/or
  23  *              modify it under the terms of the GNU General Public License
  24  *              as published by the Free Software Foundation; either version
  25  *              2 of the License, or (at your option) any later version.
  26  */
  27 #include <linux/config.h>
  28 #include <linux/ddi.h>
  29 #include "dev.h"
  30
  31 #define LOOPBACK                        /* always present, right?       */
  32
  33 #define NEXT_DEV        NULL
  34
  35
  36 /* A unifed ethernet device probe.  This is the easiest way to have every
  37    ethernet adaptor have the name "eth[0123...]".
  38    */
  39
  40 extern int ultra_probe(struct device *dev);
  41 extern int wd_probe(struct device *dev);
  42 extern int el2_probe(struct device *dev);
  43 extern int ne_probe(struct device *dev);
  44 extern int hp_probe(struct device *dev);
  45 extern int znet_probe(struct device *);
  46 extern int express_probe(struct device *);
  47 extern int el3_probe(struct device *);
  48 extern int at1500_probe(struct device *);
  49 extern int at1700_probe(struct device *);
  50 extern int depca_probe(struct device *);
  51 extern int el1_probe(struct device *);
  52 extern int el16_probe(struct device *);
  53 extern int elplus_probe(struct device *);
  54 extern int ac3200_probe(struct device *);
  55 extern int e2100_probe(struct device *);
  56
  57 /* Detachable devices ("pocket adaptors" and special PCMCIA drivers). */
  58 extern int atp_init(struct device *);
  59 extern int d_link_init(struct device *);
  60
  61 static int
  62 ethif_probe(struct device *dev)
  63 {
  64     short base_addr = dev->base_addr;
  65
  66     if (base_addr < 0  ||  base_addr == 1)
  67         return 1;               /* ENXIO */
  68
  69     if (1
  70 #if defined(CONFIG_ULTRA)
  71         && ultra_probe(dev)
  72 #endif
  73 #if defined(CONFIG_WD80x3) || defined(WD80x3)
  74         && wd_probe(dev)
  75 #endif
  76 #if defined(CONFIG_EL2) || defined(EL2) /* 3c503 */
  77         && el2_probe(dev)
  78 #endif
  79 #if defined(CONFIG_NE2000) || defined(NE2000)
  80         && ne_probe(dev)
  81 #endif
  82 #if defined(CONFIG_HPLAN) || defined(HPLAN)
  83         && hp_probe(dev)
  84 #endif
  85 #ifdef CONFIG_AT1500
  86         && at1500_probe(dev)
  87 #endif
  88 #ifdef CONFIG_AT1700
  89         && at1700_probe(dev)
  90 #endif
  91 #ifdef CONFIG_EL3               /* 3c509 */
  92         && el3_probe(dev)
  93 #endif
  94 #ifdef CONFIG_ZNET              /* Zenith Z-Note and some IBM Thinkpads. */
  95         && znet_probe(dev)
  96 #endif
  97 #ifdef CONFIG_EEXPRESS          /* Intel EtherExpress */
  98         && express_probe(dev)
  99 #endif
 100 #ifdef CONFIG_DEPCA             /* DEC DEPCA */
 101         && depca_probe(dev)
 102 #endif
 103 #ifdef CONFIG_EL1               /* 3c501 */
 104         && el1_probe(dev)
 105 #endif
 106 #ifdef CONFIG_EL16              /* 3c507 */
 107         && el16_probe(dev)
 108 #endif
 109 #ifdef CONFIG_ELPLUS            /* 3c505 */
 110         && elplus_probe(dev)
 111 #endif
 112 #ifdef CONFIG_AC3200            /* Ansel Communications EISA 3200. */
 113         && ac3200_probe(dev)
 114 #endif
 115 #ifdef CONFIG_E2100             /* Cabletron E21xx series. */
 116         && e2100_probe(dev)
 117 #endif
 118         && 1 ) {
 119         return 1;       /* -ENODEV or -EAGAIN would be more accurate. */
 120     }
 121     return 0;
 122 }
 123
 124
 125 /* This remains seperate because it requires the addr and IRQ to be set. */
 126 #if defined(D_LINK) || defined(CONFIG_DE600)
 127 static struct device d_link_dev = {
 128     "dl0", 0, 0, 0, 0, D_LINK_IO, D_LINK_IRQ, 0, 0, 0, NEXT_DEV, d_link_init };
 129 #   undef NEXT_DEV
 130 #   define NEXT_DEV     (&d_link_dev)
 131 #endif
 132
 133 /* Run-time ATtachable (Pocket) devices have a different (not "eth#") name. */
 134 #ifdef CONFIG_ATP               /* AT-LAN-TEC (RealTek) pocket adaptor. */
 135 static struct device atp_dev = {
 136     "atp0", 0, 0, 0, 0, 0, 0, 0, 0, 0, NEXT_DEV, atp_init, /* ... */ };
 137 #   undef NEXT_DEV
 138 #   define NEXT_DEV     (&atp_dev)
 139 #endif
 140
 141 /* The first device defaults to I/O base '0', which means autoprobe. */
 142 #ifdef EI8390
 143 # define ETH0_ADDR EI8390
 144 #else
 145 # define ETH0_ADDR 0
 146 #endif
 147 #ifdef EI8390_IRQ
 148 # define ETH0_IRQ EI8390_IRQ
 149 #else
 150 # define ETH0_IRQ 0
 151 #endif
 152 /* "eth0" defaults to autoprobe, other use a base of "-0x20", "don't probe".
 153    Enable these with boot-time setup. 0.99pl13+ can optionally autoprobe. */
 154
 155 static struct device eth3_dev = {
 156     "eth3", 0,0,0,0,0xffe0 /* I/O base*/, 0,0,0,0, NEXT_DEV, ethif_probe };
 157 static struct device eth2_dev = {
 158     "eth2", 0,0,0,0,0xffe0 /* I/O base*/, 0,0,0,0, &eth3_dev, ethif_probe };
 159 static struct device eth1_dev = {
 160     "eth1", 0,0,0,0,0xffe0 /* I/O base*/, 0,0,0,0, &eth2_dev, ethif_probe };
 161
 162 static struct device eth0_dev = {
 163     "eth0", 0, 0, 0, 0, ETH0_ADDR, ETH0_IRQ, 0, 0, 0, &eth1_dev, ethif_probe };
 164
 165 #   undef NEXT_DEV
 166 #   define NEXT_DEV     (&eth0_dev)
 167
 168 #if defined(PLIP) || defined(CONFIG_PLIP)
 169     extern int plip_init(struct device *);
 170     static struct device plip2_dev = {
 171         "plip2", 0, 0, 0, 0, 0x278, 2, 0, 0, 0, NEXT_DEV, plip_init, };
 172     static struct device plip1_dev = {
 173         "plip1", 0, 0, 0, 0, 0x378, 7, 0, 0, 0, &plip2_dev, plip_init, };
 174     static struct device plip0_dev = {
 175         "plip0", 0, 0, 0, 0, 0x3BC, 5, 0, 0, 0, &plip1_dev, plip_init, };
 176 #   undef NEXT_DEV
 177 #   define NEXT_DEV     (&plip0_dev)
 178 #endif  /* PLIP */
 179
 180 #if defined(SLIP) || defined(CONFIG_SLIP)
 181     extern int slip_init(struct device *);
 182     static struct device slip3_dev = {
 183         "sl3",                  /* Internal SLIP driver, channel 3      */
 184         0x0,                    /* recv memory end                      */
 185         0x0,                    /* recv memory start                    */
 186         0x0,                    /* memory end                           */
 187         0x0,                    /* memory start                         */
 188         0x3,                    /* base I/O address                     */
 189         0,                      /* IRQ                                  */
 190         0, 0, 0,                /* flags                                */
 191         NEXT_DEV,               /* next device                          */
 192         slip_init               /* slip_init should set up the rest     */
 193     };
 194     static struct device slip2_dev = {
 195         "sl2",                  /* Internal SLIP driver, channel 2      */
 196         0x0,                    /* recv memory end                      */
 197         0x0,                    /* recv memory start                    */
 198         0x0,                    /* memory end                           */
 199         0x0,                    /* memory start                         */
 200         0x2,                    /* base I/O address                     */
 201         0,                      /* IRQ                                  */
 202         0, 0, 0,                /* flags                                */
 203         &slip3_dev,             /* next device                          */
 204         slip_init               /* slip_init should set up the rest     */
 205     };
 206     static struct device slip1_dev = {
 207         "sl1",                  /* Internal SLIP driver, channel 1      */
 208         0x0,                    /* recv memory end                      */
 209         0x0,                    /* recv memory start                    */
 210         0x0,                    /* memory end                           */
 211         0x0,                    /* memory start                         */
 212         0x1,                    /* base I/O address                     */
 213         0,                      /* IRQ                                  */
 214         0, 0, 0,                /* flags                                */
 215         &slip2_dev,             /* next device                          */
 216         slip_init               /* slip_init should set up the rest     */
 217     };
 218     static struct device slip0_dev = {
 219         "sl0",                  /* Internal SLIP driver, channel 0      */
 220         0x0,                    /* recv memory end                      */
 221         0x0,                    /* recv memory start                    */
 222         0x0,                    /* memory end                           */
 223         0x0,                    /* memory start                         */
 224         0x0,                    /* base I/O address                     */
 225         0,                      /* IRQ                                  */
 226         0, 0, 0,                /* flags                                */
 227         &slip1_dev,             /* next device                          */
 228         slip_init               /* slip_init should set up the rest     */
 229     };
 230 #   undef       NEXT_DEV
 231 #   define      NEXT_DEV        (&slip0_dev)
 232 #endif  /* SLIP */
 233
 234 #if defined(CONFIG_PPP)
 235 extern int ppp_init(struct device *);
 236 static struct device ppp3_dev = {
 237     "ppp3", 0x0, 0x0, 0x0, 0x0, 3, 0, 0, 0, 0, NEXT_DEV,  ppp_init, };
 238 static struct device ppp2_dev = {
 239     "ppp2", 0x0, 0x0, 0x0, 0x0, 2, 0, 0, 0, 0, &ppp3_dev, ppp_init, };
 240 static struct device ppp1_dev = {
 241     "ppp1", 0x0, 0x0, 0x0, 0x0, 1, 0, 0, 0, 0, &ppp2_dev, ppp_init, };
 242 static struct device ppp0_dev = {
 243     "ppp0", 0x0, 0x0, 0x0, 0x0, 0, 0, 0, 0, 0, &ppp1_dev, ppp_init, };
 244 #undef NEXT_DEV
 245 #define NEXT_DEV (&ppp0_dev)
 246 #endif   /* PPP */
 247
 248 #ifdef LOOPBACK
 249     extern int loopback_init(struct device *dev);
 250     static struct device loopback_dev = {
 251         "lo",                   /* Software Loopback interface          */
 252         0x0,                    /* recv memory end                      */
 253         0x0,                    /* recv memory start                    */
 254         0x0,                    /* memory end                           */
 255         0x0,                    /* memory start                         */
 256         0,                      /* base I/O address                     */
 257         0,                      /* IRQ                                  */
 258         0, 0, 0,                /* flags                                */
 259         NEXT_DEV,               /* next device                          */
 260         loopback_init           /* loopback_init should set up the rest */
 261     };
 262 #   undef       NEXT_DEV
 263 #   define      NEXT_DEV        (&loopback_dev)
 264 #endif
 265
 266
 267 struct device *dev_base = NEXT_DEV;