/* $NetBSD: dev_net.c,v 1.4 2011/07/17 20:54:41 joerg Exp $ */

/*
* Copyright (c) 2003 Naoto Shimazaki.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY NAOTO SHIMAZAKI AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE NAOTO OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dev_net.c,v 1.4 2011/07/17 20:54:41 joerg Exp $");

#include <sys/param.h>
#include <sys/types.h>
#include <netinet/in.h>

#include <lib/libsa/stand.h>
#include <lib/libsa/bootp.h>
#include <lib/libkern/libkern.h>

#include "extern.h"

extern struct in_addr   servip;

static int      netdev_sock = -1;

int
net_strategy(void *devdata, int rw, daddr_t blk,
            size_t size, void *buf , size_t *rsize)
{
       return EIO;
}

int
net_open(struct open_file *f, ...)
{
       char            *fname;
       char            **file;
       struct iodesc   *s;
       va_list         ap;

       va_start(ap, f);
       fname = va_arg(ap, char *);
       file = va_arg(ap, char **);
       va_end(ap);

       f->f_devdata = &netdev_sock;
       netdev_sock = netif_open(NULL);

       bootfile[0] = '\0';
       if (bootopts.b_flags & B_F_USE_BOOTP) {
               s = socktodesc(netdev_sock);
               bootp(netdev_sock);
               if (fname[0] != '\0')
                       strlcpy(bootfile, fname, sizeof bootfile);
       } else {
               s = socktodesc(netdev_sock);

               servip = s->destip = bootopts.b_remote_ip;
               myip = s->myip = bootopts.b_local_ip;
               netmask = bootopts.b_netmask;
               gateip = bootopts.b_gate_ip;

               if (fname[0] == '\0') {
                       printf("no boot filename\n");
                       netif_close(netdev_sock);
                       return EIO;
               }
               strlcpy(bootfile, fname, sizeof bootfile);
       }

       *file = bootfile;

       return 0;
}

int
net_close(struct open_file *f)
{
       int     sock;

       sock = *((int *) f->f_devdata);
       netif_close(sock);
       f->f_devdata = NULL;
       return 0;
}

int
net_ioctl(struct open_file *f, u_long cmd, void *data)
{
       return EIO;
}