1 /* $NetBSD: if_cfe.c,v 1.5 2009/03/18 17:06:46 cegger 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, saseconds_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 #define NCFENET_IFS (sizeof(cfenet_ifs) / sizeof(cfenet_ifs[0])) 65 66 struct netif_stats cfenet_stats[NCFENET_IFS]; 67 68 struct 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 80 int 81 cfenet_match(struct netif *nif, void *machdep_hint) 82 { 83 84 return (1); 85 } 86 87 int 88 cfenet_probe(struct netif *nif, void *machdep_hint) 89 { 90 91 return 0; 92 } 93 94 int 95 cfenet_put(struct iodesc *desc, void *pkt, size_t len) 96 { 97 98 cfe_write(booted_dev_fd,pkt,len); 99 100 return len; 101 } 102 103 104 int 105 cfenet_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 } 120 121 void 122 cfenet_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; 138 139 punt: 140 halt(); 141 142 } 143 144 void 145 cfenet_end(struct netif *nif) 146 { 147 148 /* nothing to do */ 149 } 150