1 /*	$NetBSD: ether_if.c,v 1.5 2009/01/12 11:32:43 tsutsui Exp $	*/
2 
3 /*-
4  * Copyright (c) 2004 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by UCHIYAMA Yasushi.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <lib/libsa/stand.h>
33 #include <lib/libkern/libkern.h>
34 
35 #include <sys/socket.h>
36 #include <net/if.h>
37 #include <netinet/in.h>
38 #include <netinet/in_systm.h>
39 
40 #include <lib/libsa/net.h>
41 #include <lib/libsa/netif.h>
42 #include <lib/libsa/bootp.h>
43 #include <lib/libsa/dev_net.h>
44 
45 #include <machine/sbd.h>
46 #define	_SBD_TR2A_PRIVATE
47 #include <machine/sbd_tr2a.h>	/* getsecs. */
48 
49 #include "local.h"
50 
51 struct devsw netdevsw = {
52 	"net", net_strategy, net_open, net_close, net_ioctl
53 };
54 
55 int ether_match(struct netif *, void *);
56 int ether_probe(struct netif *, void *);
57 void ether_init(struct iodesc *, void *);
58 int ether_get(struct iodesc *, void *, size_t, saseconds_t);
59 int ether_put(struct iodesc *, void *, size_t);
60 void ether_end(struct netif *);
61 
62 extern bool lance_init(void);
63 extern void lance_eaddr(uint8_t *);
64 extern bool lance_get(void *, size_t);
65 extern bool lance_put(void *, size_t);
66 
67 struct netif_stats ether_stats[1];
68 
69 struct netif_dif ether_ifs[] = {
70 	{ 0, 1, &ether_stats[0], 0, },
71 };
72 
73 struct netif_driver __netif_driver = {
74 	"ether",
75 	ether_match,
76 	ether_probe,
77 	ether_init,
78 	ether_get,
79 	ether_put,
80 	ether_end,
81 	ether_ifs,
82 	1,
83 };
84 
85 int debug = 1;
86 int n_netif_drivers = 1;
87 struct netif_driver *netif_drivers[1] = { &__netif_driver };
88 
89 int
90 ether_match(struct netif *netif, void *hint)
91 {
92 
93 	return SBD_INFO->machine == MACHINE_TR2A;
94 }
95 
96 int
97 ether_probe(struct netif *netif, void *hint)
98 {
99 
100 	return 0;
101 }
102 
103 void
104 ether_init(struct iodesc *iodesc, void *hint)
105 {
106 
107 	lance_init();
108 	lance_eaddr(iodesc->myea);
109 }
110 
111 int
112 ether_get(struct iodesc *iodesc, void *pkt, size_t len, saseconds_t timeout)
113 {
114 
115 	return lance_get(pkt, len) ? len : -1;
116 }
117 
118 int
119 ether_put(struct iodesc *iodesc, void *pkt, size_t len)
120 {
121 
122 	return lance_put(pkt, len) ? len : -1;
123 }
124 
125 void
126 ether_end(struct netif *netif)
127 {
128 
129 }
130 
131 void
132 _rtt(void)
133 {
134 
135 	while (/*CONSTCOND*/1)
136 		;
137 	/* NOTREACHED */
138 }
139 
140 satime_t
141 getsecs(void)
142 {
143 	volatile uint8_t *mkclock;
144 	u_int t;
145 
146 	mkclock = RTC_MK48T18_ADDR;
147 	t =  bcdtobin(*(mkclock +  4));
148 	t += bcdtobin(*(mkclock +  8)) * 60;
149 	t += bcdtobin(*(mkclock + 12)) * 60 * 60;
150 
151 	return (satime_t)t;
152 }
153