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ether_if.c revision 1.1 
      1 /*	$NetBSD: ether_if.c,v 1.1 2005/12/29 15:20:09 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <lib/libsa/stand.h>
     40 #include <lib/libkern/libkern.h>
     41 
     42 #include <sys/socket.h>
     43 #include <net/if.h>
     44 #include <netinet/in.h>
     45 #include <netinet/in_systm.h>
     46 
     47 #include <lib/libsa/net.h>
     48 #include <lib/libsa/netif.h>
     49 #include <lib/libsa/bootp.h>
     50 #include <lib/libsa/dev_net.h>
     51 
     52 #include <machine/sbd.h>
     53 #define	_SBD_TR2A_PRIVATE
     54 #include <machine/sbd_tr2a.h>	/* getsecs. */
     55 
     56 #include "local.h"
     57 
     58 struct devsw netdevsw = {
     59 	"net", net_strategy, net_open, net_close, net_ioctl
     60 };
     61 
     62 int ether_match(struct netif *, void *);
     63 int ether_probe(struct netif *, void *);
     64 void ether_init(struct iodesc *, void *);
     65 int ether_get(struct iodesc *, void *, size_t, time_t);
     66 int ether_put(struct iodesc *, void *, size_t);
     67 void ether_end(struct netif *);
     68 
     69 extern boolean_t lance_init(void);
     70 extern void lance_eaddr(uint8_t *);
     71 extern boolean_t lance_get(void *, size_t);
     72 extern boolean_t lance_put(void *, size_t);
     73 
     74 struct netif_stats ether_stats[1];
     75 
     76 struct netif_dif ether_ifs[] = {
     77 	{ 0, 1, &ether_stats[0], 0, },
     78 };
     79 
     80 struct netif_driver __netif_driver = {
     81 	"ether",
     82 	ether_match,
     83 	ether_probe,
     84 	ether_init,
     85 	ether_get,
     86 	ether_put,
     87 	ether_end,
     88 	ether_ifs,
     89 	1,
     90 };
     91 
     92 int debug = 1;
     93 int n_netif_drivers = 1;
     94 struct netif_driver *netif_drivers[1] = { &__netif_driver };
     95 
     96 int
     97 ether_match(struct netif *netif, void *hint)
     98 {
     99 
    100 	return SBD_INFO->machine == MACHINE_TR2A;
    101 }
    102 
    103 int
    104 ether_probe(struct netif *netif, void *hint)
    105 {
    106 
    107 	return 0;
    108 }
    109 
    110 void
    111 ether_init(struct iodesc *iodesc, void *hint)
    112 {
    113 
    114 	lance_init();
    115 	lance_eaddr(iodesc->myea);
    116 }
    117 
    118 int
    119 ether_get(struct iodesc *iodesc, void *pkt, size_t len, time_t timeout)
    120 {
    121 
    122 	return lance_get(pkt, len) ? len : -1;
    123 }
    124 
    125 int
    126 ether_put(struct iodesc *iodesc, void *pkt, size_t len)
    127 {
    128 
    129 	return lance_put(pkt, len) ? len : -1;
    130 }
    131 
    132 void
    133 ether_end(struct netif *netif)
    134 {
    135 
    136 }
    137 
    138 void
    139 _rtt(void)
    140 {
    141 
    142 	while (/*CONSTCOND*/1)
    143 		;
    144 	/* NOTREACHED */
    145 }
    146 
    147 time_t
    148 getsecs(void)
    149 {
    150 
    151 	return (time_t)*(RTC_MK48T18_ADDR + 4);
    152 }
    153