Home | History | Annotate | Line # | Download | only in common 
      1 /*	$NetBSD: ether_if.c,v 1.6 2014/11/21 00:53:19 christos 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 <dev/clock_subr.h>
     46 
     47 #include <machine/sbd.h>
     48 #define	_SBD_TR2A_PRIVATE
     49 #include <machine/sbd_tr2a.h>	/* getsecs. */
     50 
     51 #include "local.h"
     52 
     53 struct devsw netdevsw = {
     54 	"net", net_strategy, net_open, net_close, net_ioctl
     55 };
     56 
     57 int ether_match(struct netif *, void *);
     58 int ether_probe(struct netif *, void *);
     59 void ether_init(struct iodesc *, void *);
     60 int ether_get(struct iodesc *, void *, size_t, saseconds_t);
     61 int ether_put(struct iodesc *, void *, size_t);
     62 void ether_end(struct netif *);
     63 
     64 extern bool lance_init(void);
     65 extern void lance_eaddr(uint8_t *);
     66 extern bool lance_get(void *, size_t);
     67 extern bool lance_put(void *, size_t);
     68 
     69 struct netif_stats ether_stats[1];
     70 
     71 struct netif_dif ether_ifs[] = {
     72 	{ 0, 1, &ether_stats[0], 0, },
     73 };
     74 
     75 struct netif_driver __netif_driver = {
     76 	"ether",
     77 	ether_match,
     78 	ether_probe,
     79 	ether_init,
     80 	ether_get,
     81 	ether_put,
     82 	ether_end,
     83 	ether_ifs,
     84 	1,
     85 };
     86 
     87 int debug = 1;
     88 int n_netif_drivers = 1;
     89 struct netif_driver *netif_drivers[1] = { &__netif_driver };
     90 
     91 int
     92 ether_match(struct netif *netif, void *hint)
     93 {
     94 
     95 	return SBD_INFO->machine == MACHINE_TR2A;
     96 }
     97 
     98 int
     99 ether_probe(struct netif *netif, void *hint)
    100 {
    101 
    102 	return 0;
    103 }
    104 
    105 void
    106 ether_init(struct iodesc *iodesc, void *hint)
    107 {
    108 
    109 	lance_init();
    110 	lance_eaddr(iodesc->myea);
    111 }
    112 
    113 int
    114 ether_get(struct iodesc *iodesc, void *pkt, size_t len, saseconds_t timeout)
    115 {
    116 
    117 	return lance_get(pkt, len) ? len : -1;
    118 }
    119 
    120 int
    121 ether_put(struct iodesc *iodesc, void *pkt, size_t len)
    122 {
    123 
    124 	return lance_put(pkt, len) ? len : -1;
    125 }
    126 
    127 void
    128 ether_end(struct netif *netif)
    129 {
    130 
    131 }
    132 
    133 void
    134 _rtt(void)
    135 {
    136 
    137 	while (/*CONSTCOND*/1)
    138 		;
    139 	/* NOTREACHED */
    140 }
    141 
    142 satime_t
    143 getsecs(void)
    144 {
    145 	volatile uint8_t *mkclock;
    146 	u_int t;
    147 
    148 	mkclock = RTC_MK48T18_ADDR;
    149 	t =  bcdtobin(*(mkclock +  4));
    150 	t += bcdtobin(*(mkclock +  8)) * 60;
    151 	t += bcdtobin(*(mkclock + 12)) * 60 * 60;
    152 
    153 	return (satime_t)t;
    154 }
    155