xref: /netbsd/sys/arch/sbmips/stand/netboot/if_cfe.c (revision c4a72b64)
1 /* $NetBSD: if_cfe.c,v 1.1 2002/11/09 06:20:42 cgd 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/common/common.h"
47 #include "stand/common/bbinfo.h"
48 #include "stand/common/cfe_api.h"
49 #include "stand/common/cfe_ioctl.h"
50 
51 int cfenet_probe(struct netif *, void *);
52 int cfenet_match(struct netif *, void *);
53 void cfenet_init(struct iodesc *, void *);
54 int cfenet_get(struct iodesc *, void *, size_t, time_t);
55 int cfenet_put(struct iodesc *, void *, size_t);
56 void cfenet_end(struct netif *);
57 
58 extern struct netif_stats	cfenet_stats[];
59 
60 struct netif_dif cfenet_ifs[] = {
61 /*	dif_unit	dif_nsel	dif_stats	dif_private	*/
62 {	0,		1,		&cfenet_stats[0],	0,		},
63 };
64 
65 struct netif_stats cfenet_stats[NENTS(cfenet_ifs)];
66 
67 struct netif_driver prom_netif_driver = {
68 	"cfe",			/* netif_bname */
69 	cfenet_match,		/* netif_match */
70 	cfenet_probe,		/* netif_probe */
71 	cfenet_init,		/* netif_init */
72 	cfenet_get,		/* netif_get */
73 	cfenet_put,		/* netif_put */
74 	cfenet_end,		/* netif_end */
75 	cfenet_ifs,		/* netif_ifs */
76 	NENTS(cfenet_ifs)		/* netif_nifs */
77 };
78 
79 int
80 cfenet_match(nif, machdep_hint)
81 	struct netif *nif;
82 	void *machdep_hint;
83 {
84 
85 	return (1);
86 }
87 
88 int
89 cfenet_probe(nif, machdep_hint)
90 	struct netif *nif;
91 	void *machdep_hint;
92 {
93 
94 	return 0;
95 }
96 
97 int
98 cfenet_put(desc, pkt, len)
99 	struct iodesc *desc;
100 	void *pkt;
101 	size_t len;
102 {
103 
104     cfe_write(booted_dev_fd,pkt,len);
105 
106     return len;
107 }
108 
109 
110 int
111 cfenet_get(desc, pkt, len, timeout)
112 	struct iodesc *desc;
113 	void *pkt;
114 	size_t len;
115 	time_t timeout;
116 {
117 	time_t t;
118 	int cc;
119 
120 	t = getsecs();
121 	cc = 0;
122 	while (((getsecs() - t) < timeout) && !cc) {
123 	    cc = cfe_read(booted_dev_fd,pkt,len);
124 	    if (cc < 0) break;
125 	    break;
126 	}
127 
128 	return cc;
129 }
130 
131 void
132 cfenet_init(desc, machdep_hint)
133 	struct iodesc *desc;
134 	void *machdep_hint;
135 {
136 	u_int8_t eaddr[6];
137 	int res;
138 
139 	res = cfe_ioctl(booted_dev_fd,IOCTL_ETHER_GETHWADDR,eaddr,sizeof(eaddr),NULL,0);
140 
141 	if (res < 0) {
142 	    printf("boot: boot device name does not contain ethernet address.\n");
143 	    goto punt;
144 	    }
145 
146 	bcopy(eaddr,desc->myea,6);
147 
148 	printf("boot: ethernet address: %s\n", ether_sprintf(desc->myea));
149 	return;
150 
151 punt:
152 	halt();
153 
154 }
155 
156 void
157 cfenet_end(nif)
158 	struct netif *nif;
159 {
160 
161 	/* nothing to do */
162 }
163