1/* $NetBSD: dev_net.c,v 1.3 2005/12/11 12:17:34 christos 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 1.3 2005/12/11 12:17:34 christos 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
39#include "extern.h"
40
41extern struct in_addr	servip;
42
43static int	netdev_sock = -1;
44
45int
46net_strategy(void *devdata, int rw, daddr_t blk,
47	     size_t size, void *buf , size_t *rsize)
48{
49	return EIO;
50}
51
52int
53net_open(struct open_file *f, ...)
54{
55	char		*fname;
56	char		**file;
57	struct iodesc	*s;
58	va_list		ap;
59
60	va_start(ap, f);
61	fname = va_arg(ap, char *);
62	file = va_arg(ap, char **);
63	va_end(ap);
64
65	f->f_devdata = &netdev_sock;
66	netdev_sock = netif_open(NULL);
67
68	bootfile[0] = '\0';
69	if (bootopts.b_flags & B_F_USE_BOOTP) {
70		s = socktodesc(netdev_sock);
71		bootp(netdev_sock);
72		if (fname[0] != '\0')
73			strlcpy(bootfile, fname, sizeof bootfile);
74	} else {
75		s = socktodesc(netdev_sock);
76
77		servip = s->destip = bootopts.b_remote_ip;
78		myip = s->myip = bootopts.b_local_ip;
79		netmask = bootopts.b_netmask;
80		gateip = bootopts.b_gate_ip;
81
82		if (fname[0] == '\0') {
83			printf("no boot filename\n");
84			netif_close(netdev_sock);
85			return EIO;
86		}
87		strlcpy(bootfile, fname, sizeof bootfile);
88	}
89
90	*file = bootfile;
91
92	return 0;
93}
94
95int
96net_close(struct open_file *f)
97{
98	int	sock;
99
100	sock = *((int *) f->f_devdata);
101	netif_close(sock);
102	f->f_devdata = NULL;
103	return 0;
104}
105
106int
107net_ioctl(struct open_file *f, u_long cmd, void *data)
108{
109	return EIO;
110}
111