if_cfe.c revision 1.2 
1/* $NetBSD: if_cfe.c,v 1.2 2017/07/24 10:34:55 mrg 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/sbmips/common/common.h"
47#include "stand/sbmips/common/bbinfo.h"
48#include "stand/sbmips/common/cfe_api.h"
49#include "stand/sbmips/common/cfe_ioctl.h"
50
51int cfenet_probe(struct netif *, void *);
52int cfenet_match(struct netif *, void *);
53void cfenet_init(struct iodesc *, void *);
54int cfenet_get(struct iodesc *, void *, size_t, saseconds_t);
55int cfenet_put(struct iodesc *, void *, size_t);
56void cfenet_end(struct netif *);
57
58extern struct netif_stats	cfenet_stats[];
59
60struct 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
66struct netif_stats cfenet_stats[NCFENET_IFS];
67
68struct 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
80int
81cfenet_match(struct netif *nif, void *machdep_hint)
82{
83
84	return (1);
85}
86
87int
88cfenet_probe(struct netif *nif, void *machdep_hint)
89{
90
91	return 0;
92}
93
94int
95cfenet_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
104int
105cfenet_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
121void
122cfenet_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
139punt:
140	halt();
141
142}
143
144void
145cfenet_end(struct netif *nif)
146{
147
148	/* nothing to do */
149}
150