sys/arch/sbmips/stand/netboot/if_cfe.c

   1 /* $NetBSD: if_cfe.c,v 1.4 2009/03/14 15:36:13 dsl Exp $ */
   2
   3 /*
   4  * Copyright (c) 1997 Christopher G. Demetriou.  All rights reserved.
   5  * Copyright (c) 1993 Adam Glass
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by Adam Glass.
  19  * 4. The name of the Author may not be used to endorse or promote products
  20  *    derived from this software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  */
  34
  35 #include <sys/param.h>
  36 #include <sys/types.h>
  37
  38 #include <netinet/in.h>
  39 #include <netinet/in_systm.h>
  40
  41 #include <lib/libsa/stand.h>
  42 #include <lib/libsa/net.h>
  43 #include <lib/libsa/netif.h>
  44 #include <lib/libkern/libkern.h>
  45
  46 #include "stand/common/common.h"
  47 #include "stand/common/bbinfo.h"
  48 #include "stand/common/cfe_api.h"
  49 #include "stand/common/cfe_ioctl.h"
  50
  51 int cfenet_probe(struct netif *, void *);
  52 int cfenet_match(struct netif *, void *);
  53 void cfenet_init(struct iodesc *, void *);
  54 int cfenet_get(struct iodesc *, void *, size_t, saseconds_t);
  55 int cfenet_put(struct iodesc *, void *, size_t);
  56 void cfenet_end(struct netif *);
  57
  58 extern struct netif_stats       cfenet_stats[];
  59
  60 struct netif_dif cfenet_ifs[] = {
  61 /*      dif_unit        dif_nsel        dif_stats       dif_private     */
  62 {       0,              1,              &cfenet_stats[0],       0,              },
  63 };
  64 #define NCFENET_IFS (sizeof(cfenet_ifs) / sizeof(cfenet_ifs[0]))
  65
  66 struct netif_stats cfenet_stats[NCFENET_IFS];
  67
  68 struct netif_driver prom_netif_driver = {
  69         "cfe",                  /* netif_bname */
  70         cfenet_match,           /* netif_match */
  71         cfenet_probe,           /* netif_probe */
  72         cfenet_init,            /* netif_init */
  73         cfenet_get,             /* netif_get */
  74         cfenet_put,             /* netif_put */
  75         cfenet_end,             /* netif_end */
  76         cfenet_ifs,             /* netif_ifs */
  77         NCFENET_IFS             /* netif_nifs */
  78 };
  79
  80 int
  81 cfenet_match(struct netif *nif, void *machdep_hint)
  82 {
  83
  84         return (1);
  85 }
  86
  87 int
  88 cfenet_probe(struct netif *nif, void *machdep_hint)
  89 {
  90
  91         return 0;
  92 }
  93
  94 int
  95 cfenet_put(struct iodesc *desc, void *pkt, size_t len)
  96 {
  97
  98     cfe_write(booted_dev_fd,pkt,len);
  99
 100     return len;
 101 }
 102
 103
 104 int
 105 cfenet_get(struct iodesc *desc, void *pkt, size_t len, saseconds_t timeout)
 106 {
 107         satime_t t;
 108         int cc;
 109
 110         t = getsecs();
 111         cc = 0;
 112         while (((getsecs() - t) < timeout) && !cc) {
 113             cc = cfe_read(booted_dev_fd,pkt,len);
 114             if (cc < 0) break;
 115             break;
 116         }
 117
 118         return cc;
 119 }
 120
 121 void
 122 cfenet_init(struct iodesc *desc, void *machdep_hint)
 123 {
 124         u_int8_t eaddr[6];
 125         int res;
 126
 127         res = cfe_ioctl(booted_dev_fd,IOCTL_ETHER_GETHWADDR,eaddr,sizeof(eaddr),NULL,0);
 128
 129         if (res < 0) {
 130             printf("boot: boot device name does not contain ethernet address.\n");
 131             goto punt;
 132             }
 133
 134         memcpy(desc->myea, eaddr,6);
 135
 136         printf("boot: ethernet address: %s\n", ether_sprintf(desc->myea));
 137         return;
 138
 139 punt:
 140         halt();
 141
 142 }
 143
 144 void
 145 cfenet_end(struct netif *nif)
 146 {
 147
 148         /* nothing to do */
 149 }