112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/* $NetBSD: dev_net.c,v 1.3 2005/12/11 12:17:34 christos 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 1.3 2005/12/11 12:17:34 christos 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 <machine/stdarg.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;
|
|
}
|