The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ex/if_ex_pccard.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
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    1 /*-
    2  * Copyright (c) 2000 Mitsuru IWASAKI
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  */
   27 
   28 #include <sys/cdefs.h>
   29 __FBSDID("$FreeBSD$");
   30 
   31 #include <sys/param.h>
   32 #include <sys/systm.h>
   33 #include <sys/kernel.h>
   34 #include <sys/socket.h>
   35 
   36 #include <sys/module.h>
   37 #include <sys/bus.h>
   38 
   39 #include <machine/bus.h>
   40 #include <machine/resource.h>
   41 #include <sys/rman.h>
   42 
   43 #include <net/if.h>
   44 #include <net/if_arp.h>
   45 #include <net/if_media.h> 
   46 
   47 #include <dev/ex/if_exreg.h>
   48 #include <dev/ex/if_exvar.h>
   49 
   50 #include <dev/pccard/pccardvar.h>
   51 #include <dev/pccard/pccard_cis.h>
   52 
   53 #include "pccarddevs.h"
   54 
   55 static const struct pccard_product ex_pccard_products[] = {
   56         PCMCIA_CARD(OLICOM, OC2220),
   57         PCMCIA_CARD(OLICOM, OC2231),
   58         PCMCIA_CARD(OLICOM, OC2232),
   59         PCMCIA_CARD(INTEL, ETHEREXPPRO),
   60         { NULL }
   61 };
   62 
   63 /* Bus Front End Functions */
   64 static int      ex_pccard_probe(device_t);
   65 static int      ex_pccard_attach(device_t);
   66 
   67 static int
   68 ex_pccard_enet_ok(u_char *enaddr)
   69 {
   70         int                     i;
   71         u_char                  sum;
   72 
   73         if (enaddr[0] == 0xff)
   74                 return (0);
   75         for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
   76                 sum |= enaddr[i];
   77         return (sum != 0);
   78 }
   79 
   80 static int
   81 ex_pccard_silicom_cb(const struct pccard_tuple *tuple, void *arg)
   82 {
   83         u_char *enaddr = arg;
   84         int i;
   85 
   86         if (tuple->code != CISTPL_FUNCE)
   87                 return (0);
   88         if (tuple->length != 15)
   89                 return (0);
   90         if (pccard_tuple_read_1(tuple, 6) != 6)
   91                 return (0);
   92         for (i = 0; i < 6; i++)
   93                 enaddr[i] = pccard_tuple_read_1(tuple, 7 + i);
   94         return (1);
   95 }
   96 
   97 static void
   98 ex_pccard_get_silicom_mac(device_t dev, u_char *ether_addr)
   99 {
  100         pccard_cis_scan(dev, ex_pccard_silicom_cb, ether_addr);
  101 }
  102 
  103 static int
  104 ex_pccard_probe(device_t dev)
  105 {
  106         const struct pccard_product *pp;
  107         int error;
  108         uint32_t        fcn = PCCARD_FUNCTION_UNSPEC;
  109 
  110         /* Make sure we're a network function */
  111         error = pccard_get_function(dev, &fcn);
  112         if (error != 0)
  113                 return (error);
  114         if (fcn != PCCARD_FUNCTION_NETWORK)
  115                 return (ENXIO);
  116 
  117         if ((pp = pccard_product_lookup(dev, ex_pccard_products,
  118             sizeof(ex_pccard_products[0]), NULL)) != NULL) {
  119                 if (pp->pp_name != NULL)
  120                         device_set_desc(dev, pp->pp_name);
  121                 return 0;
  122         }
  123         return EIO;
  124 }
  125 
  126 static int
  127 ex_pccard_attach(device_t dev)
  128 {
  129         struct ex_softc *       sc = device_get_softc(dev);
  130         int                     error = 0;
  131         u_char                  ether_addr[ETHER_ADDR_LEN];
  132 
  133         sc->dev = dev;
  134         sc->ioport_rid = 0;
  135         sc->irq_rid = 0;
  136 
  137         if ((error = ex_alloc_resources(dev)) != 0) {
  138                 device_printf(dev, "ex_alloc_resources() failed!\n");
  139                 goto bad;
  140         }
  141 
  142         /*
  143          * Fill in several fields of the softc structure:
  144          *      - Hardware Ethernet address.
  145          *      - IRQ number.
  146          */
  147         sc->irq_no = rman_get_start(sc->irq);
  148 
  149         /* Try to get the ethernet address from the chip, then the CIS */
  150         ex_get_address(sc, ether_addr);
  151         if (!ex_pccard_enet_ok(ether_addr))
  152                 pccard_get_ether(dev, ether_addr);
  153         if (!ex_pccard_enet_ok(ether_addr))
  154                 ex_pccard_get_silicom_mac(dev, ether_addr);
  155         if (!ex_pccard_enet_ok(ether_addr)) {
  156                 device_printf(dev, "No NIC address found.\n");
  157                 error = ENXIO;
  158                 goto bad;
  159         }
  160         bcopy(ether_addr, sc->enaddr, ETHER_ADDR_LEN);
  161 
  162         if ((error = ex_attach(dev)) != 0) {
  163                 device_printf(dev, "ex_attach() failed!\n");
  164                 goto bad;
  165         }
  166 
  167         error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
  168             NULL, ex_intr, (void *)sc, &sc->ih);
  169         if (error) {
  170                 device_printf(dev, "bus_setup_intr() failed!\n");
  171                 goto bad;
  172         }
  173 
  174         return(0);
  175 bad:
  176         ex_release_resources(dev);
  177         return (error);
  178 }
  179 static device_method_t ex_pccard_methods[] = {
  180         /* Device interface */
  181         DEVMETHOD(device_probe,         ex_pccard_probe),
  182         DEVMETHOD(device_attach,        ex_pccard_attach),
  183         DEVMETHOD(device_detach,        ex_detach),
  184 
  185         { 0, 0 }
  186 };
  187 
  188 static driver_t ex_pccard_driver = {
  189         "ex",
  190         ex_pccard_methods,
  191         sizeof(struct ex_softc),
  192 };
  193 
  194 DRIVER_MODULE(ex, pccard, ex_pccard_driver, ex_devclass, 0, 0);

Cache object: 64e45eeb1ddaf03f236fcb1d38e46fa9


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