1 /* $NetBSD: nif_tlp.c,v 1.1 2007/10/30 15:07:08 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 <sys/param.h> 40 #include <sys/socket.h> 41 42 #include <lib/libsa/stand.h> 43 #include <lib/libkern/libkern.h> 44 45 #include <sys/socket.h> 46 #include <net/if.h> 47 #include <netinet/in.h> 48 #include <netinet/in_systm.h> 49 50 #include <lib/libsa/net.h> 51 #include <lib/libsa/netif.h> 52 #include <lib/libsa/dev_net.h> 53 54 #include "boot.h" 55 56 static int tlp_match(struct netif *, void *); 57 static int tlp_probe(struct netif *, void *); 58 static void tlp_attach(struct iodesc *, void *); 59 static int tlp_get(struct iodesc *, void *, size_t, time_t); 60 static int tlp_put(struct iodesc *, void *, size_t); 61 static void tlp_end(struct netif *); 62 63 #define MIN_LEN 60 /* ETHER_MIN_LEN - ETHER_CRC_LEN */ 64 65 static struct netif_stats tlp_stats[1]; 66 67 static struct netif_dif tlp_ifs[] = { 68 { 0, 1, &tlp_stats[0], NULL, 0 }, 69 }; 70 71 struct netif_driver ether_tlp_driver = { 72 "tlp", 73 tlp_match, 74 tlp_probe, 75 tlp_attach, 76 tlp_get, 77 tlp_put, 78 tlp_end, 79 tlp_ifs, 80 1, 81 }; 82 83 #ifdef DEBUG 84 int debug = 1; /* referred in various libsa net sources */ 85 #endif 86 87 int 88 tlp_match(struct netif *netif, void *hint) 89 { 90 91 /* always match for onboard tlp */ 92 return 1; 93 } 94 95 int 96 tlp_probe(struct netif *netif, void *hint) 97 { 98 99 /* XXX */ 100 return 0; 101 } 102 103 void 104 tlp_attach(struct iodesc *desc, void *hint) 105 { 106 struct netif *nif = desc->io_netif; 107 struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit]; 108 109 dif->dif_private = tlp_init(&desc->myea); 110 } 111 112 int 113 tlp_get(struct iodesc *desc, void *pkt, size_t maxlen, time_t timeout) 114 { 115 int len; 116 struct netif *nif = desc->io_netif; 117 struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit]; 118 void *l = dif->dif_private; 119 120 len = tlp_recv(l, pkt, maxlen, timeout); 121 if (len == -1) { 122 printf("tlp: receive timeout\n"); 123 /* XXX */ 124 } 125 126 if (len < MIN_LEN) 127 len = -1; 128 129 return len; 130 } 131 132 int 133 tlp_put(struct iodesc *desc, void *pkt, size_t len) 134 { 135 struct netif *nif = desc->io_netif; 136 struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit]; 137 void *l = dif->dif_private; 138 int rv; 139 size_t sendlen; 140 141 sendlen = len; 142 if (sendlen < MIN_LEN) 143 sendlen = MIN_LEN; /* XXX */ 144 145 rv = tlp_send(l, pkt, sendlen); 146 147 return rv; 148 } 149 150 void 151 tlp_end(struct netif *netif) 152 { 153 } 154