sys/arch/hpcmips/stand/lcboot/dev_net.c

   1 /* $NetBSD: dev_net.c,v 1.2.4.3 2004/09/21 13:16:12 skrll Exp $ */
   2
   3 /*
   4  * Copyright (c) 2003 Naoto Shimazaki.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY NAOTO SHIMAZAKI AND CONTRIBUTORS ``AS IS''
  17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  18  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE NAOTO OR CONTRIBUTORS BE
  20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  26  * THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28 #include <sys/cdefs.h>
  29 __KERNEL_RCSID(0, "$NetBSD: dev_net.c,v 1.2.4.3 2004/09/21 13:16:12 skrll Exp $");
  30
  31 #include <sys/param.h>
  32 #include <sys/types.h>
  33 #include <netinet/in.h>
  34
  35 #include <lib/libsa/stand.h>
  36 #include <lib/libsa/bootp.h>
  37 #include <lib/libkern/libkern.h>
  38 #include <machine/stdarg.h>
  39
  40 #include "extern.h"
  41
  42 extern struct in_addr   servip;
  43
  44 static int      netdev_sock = -1;
  45
  46 int
  47 net_strategy(void *devdata, int rw, daddr_t blk,
  48              size_t size, void *buf , size_t *rsize)
  49 {
  50         return EIO;
  51 }
  52
  53 int
  54 net_open(struct open_file *f, ...)
  55 {
  56         char            *fname;
  57         char            **file;
  58         struct iodesc   *s;
  59         va_list         ap;
  60
  61         va_start(ap, f);
  62         fname = va_arg(ap, char *);
  63         file = va_arg(ap, char **);
  64         va_end(ap);
  65
  66         f->f_devdata = &netdev_sock;
  67         netdev_sock = netif_open(NULL);
  68
  69         bootfile[0] = '\0';
  70         if (bootopts.b_flags & B_F_USE_BOOTP) {
  71                 s = socktodesc(netdev_sock);
  72                 bootp(netdev_sock);
  73                 if (fname[0] != '\0')
  74                         strlcpy(bootfile, fname, sizeof bootfile);
  75         } else {
  76                 s = socktodesc(netdev_sock);
  77
  78                 servip = s->destip = bootopts.b_remote_ip;
  79                 myip = s->myip = bootopts.b_local_ip;
  80                 netmask = bootopts.b_netmask;
  81                 gateip = bootopts.b_gate_ip;
  82
  83                 if (fname[0] == '\0') {
  84                         printf("no boot filename\n");
  85                         netif_close(netdev_sock);
  86                         return EIO;
  87                 }
  88                 strlcpy(bootfile, fname, sizeof bootfile);
  89         }
  90
  91         *file = bootfile;
  92
  93         return 0;
  94 }
  95
  96 int
  97 net_close(struct open_file *f)
  98 {
  99         int     sock;
 100
 101         sock = *((int *) f->f_devdata);
 102         netif_close(sock);
 103         f->f_devdata = NULL;
 104         return 0;
 105 }
 106
 107 int
 108 net_ioctl(struct open_file *f, u_long cmd, void *data)
 109 {
 110         return EIO;
 111 }