nif_tlp.c revision 1.1.24.2
1 1.1.24.2 wrstuden /* $NetBSD: nif_tlp.c,v 1.1.24.2 2008/01/06 05:00:53 wrstuden Exp $ */ 2 1.1.24.2 wrstuden 3 1.1.24.2 wrstuden /*- 4 1.1.24.2 wrstuden * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 1.1.24.2 wrstuden * All rights reserved. 6 1.1.24.2 wrstuden * 7 1.1.24.2 wrstuden * This code is derived from software contributed to The NetBSD Foundation 8 1.1.24.2 wrstuden * by UCHIYAMA Yasushi. 9 1.1.24.2 wrstuden * 10 1.1.24.2 wrstuden * Redistribution and use in source and binary forms, with or without 11 1.1.24.2 wrstuden * modification, are permitted provided that the following conditions 12 1.1.24.2 wrstuden * are met: 13 1.1.24.2 wrstuden * 1. Redistributions of source code must retain the above copyright 14 1.1.24.2 wrstuden * notice, this list of conditions and the following disclaimer. 15 1.1.24.2 wrstuden * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.24.2 wrstuden * notice, this list of conditions and the following disclaimer in the 17 1.1.24.2 wrstuden * documentation and/or other materials provided with the distribution. 18 1.1.24.2 wrstuden * 3. All advertising materials mentioning features or use of this software 19 1.1.24.2 wrstuden * must display the following acknowledgement: 20 1.1.24.2 wrstuden * This product includes software developed by the NetBSD 21 1.1.24.2 wrstuden * Foundation, Inc. and its contributors. 22 1.1.24.2 wrstuden * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.24.2 wrstuden * contributors may be used to endorse or promote products derived 24 1.1.24.2 wrstuden * from this software without specific prior written permission. 25 1.1.24.2 wrstuden * 26 1.1.24.2 wrstuden * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.24.2 wrstuden * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.24.2 wrstuden * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.24.2 wrstuden * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.24.2 wrstuden * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.24.2 wrstuden * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.24.2 wrstuden * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.24.2 wrstuden * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.24.2 wrstuden * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.24.2 wrstuden * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.24.2 wrstuden * POSSIBILITY OF SUCH DAMAGE. 37 1.1.24.2 wrstuden */ 38 1.1.24.2 wrstuden 39 1.1.24.2 wrstuden #include <sys/param.h> 40 1.1.24.2 wrstuden #include <sys/socket.h> 41 1.1.24.2 wrstuden 42 1.1.24.2 wrstuden #include <lib/libsa/stand.h> 43 1.1.24.2 wrstuden #include <lib/libkern/libkern.h> 44 1.1.24.2 wrstuden 45 1.1.24.2 wrstuden #include <sys/socket.h> 46 1.1.24.2 wrstuden #include <net/if.h> 47 1.1.24.2 wrstuden #include <netinet/in.h> 48 1.1.24.2 wrstuden #include <netinet/in_systm.h> 49 1.1.24.2 wrstuden 50 1.1.24.2 wrstuden #include <lib/libsa/net.h> 51 1.1.24.2 wrstuden #include <lib/libsa/netif.h> 52 1.1.24.2 wrstuden #include <lib/libsa/dev_net.h> 53 1.1.24.2 wrstuden 54 1.1.24.2 wrstuden #include "boot.h" 55 1.1.24.2 wrstuden 56 1.1.24.2 wrstuden static int tlp_match(struct netif *, void *); 57 1.1.24.2 wrstuden static int tlp_probe(struct netif *, void *); 58 1.1.24.2 wrstuden static void tlp_attach(struct iodesc *, void *); 59 1.1.24.2 wrstuden static int tlp_get(struct iodesc *, void *, size_t, time_t); 60 1.1.24.2 wrstuden static int tlp_put(struct iodesc *, void *, size_t); 61 1.1.24.2 wrstuden static void tlp_end(struct netif *); 62 1.1.24.2 wrstuden 63 1.1.24.2 wrstuden #define MIN_LEN 60 /* ETHER_MIN_LEN - ETHER_CRC_LEN */ 64 1.1.24.2 wrstuden 65 1.1.24.2 wrstuden static struct netif_stats tlp_stats[1]; 66 1.1.24.2 wrstuden 67 1.1.24.2 wrstuden static struct netif_dif tlp_ifs[] = { 68 1.1.24.2 wrstuden { 0, 1, &tlp_stats[0], NULL, 0 }, 69 1.1.24.2 wrstuden }; 70 1.1.24.2 wrstuden 71 1.1.24.2 wrstuden struct netif_driver ether_tlp_driver = { 72 1.1.24.2 wrstuden "tlp", 73 1.1.24.2 wrstuden tlp_match, 74 1.1.24.2 wrstuden tlp_probe, 75 1.1.24.2 wrstuden tlp_attach, 76 1.1.24.2 wrstuden tlp_get, 77 1.1.24.2 wrstuden tlp_put, 78 1.1.24.2 wrstuden tlp_end, 79 1.1.24.2 wrstuden tlp_ifs, 80 1.1.24.2 wrstuden 1, 81 1.1.24.2 wrstuden }; 82 1.1.24.2 wrstuden 83 1.1.24.2 wrstuden #ifdef DEBUG 84 1.1.24.2 wrstuden int debug = 1; /* referred in various libsa net sources */ 85 1.1.24.2 wrstuden #endif 86 1.1.24.2 wrstuden 87 1.1.24.2 wrstuden int 88 1.1.24.2 wrstuden tlp_match(struct netif *netif, void *hint) 89 1.1.24.2 wrstuden { 90 1.1.24.2 wrstuden 91 1.1.24.2 wrstuden /* always match for onboard tlp */ 92 1.1.24.2 wrstuden return 1; 93 1.1.24.2 wrstuden } 94 1.1.24.2 wrstuden 95 1.1.24.2 wrstuden int 96 1.1.24.2 wrstuden tlp_probe(struct netif *netif, void *hint) 97 1.1.24.2 wrstuden { 98 1.1.24.2 wrstuden 99 1.1.24.2 wrstuden /* XXX */ 100 1.1.24.2 wrstuden return 0; 101 1.1.24.2 wrstuden } 102 1.1.24.2 wrstuden 103 1.1.24.2 wrstuden void 104 1.1.24.2 wrstuden tlp_attach(struct iodesc *desc, void *hint) 105 1.1.24.2 wrstuden { 106 1.1.24.2 wrstuden struct netif *nif = desc->io_netif; 107 1.1.24.2 wrstuden struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit]; 108 1.1.24.2 wrstuden 109 1.1.24.2 wrstuden dif->dif_private = tlp_init(&desc->myea); 110 1.1.24.2 wrstuden } 111 1.1.24.2 wrstuden 112 1.1.24.2 wrstuden int 113 1.1.24.2 wrstuden tlp_get(struct iodesc *desc, void *pkt, size_t maxlen, time_t timeout) 114 1.1.24.2 wrstuden { 115 1.1.24.2 wrstuden int len; 116 1.1.24.2 wrstuden struct netif *nif = desc->io_netif; 117 1.1.24.2 wrstuden struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit]; 118 1.1.24.2 wrstuden void *l = dif->dif_private; 119 1.1.24.2 wrstuden 120 1.1.24.2 wrstuden len = tlp_recv(l, pkt, maxlen, timeout); 121 1.1.24.2 wrstuden if (len == -1) { 122 1.1.24.2 wrstuden printf("tlp: receive timeout\n"); 123 1.1.24.2 wrstuden /* XXX */ 124 1.1.24.2 wrstuden } 125 1.1.24.2 wrstuden 126 1.1.24.2 wrstuden if (len < MIN_LEN) 127 1.1.24.2 wrstuden len = -1; 128 1.1.24.2 wrstuden 129 1.1.24.2 wrstuden return len; 130 1.1.24.2 wrstuden } 131 1.1.24.2 wrstuden 132 1.1.24.2 wrstuden int 133 1.1.24.2 wrstuden tlp_put(struct iodesc *desc, void *pkt, size_t len) 134 1.1.24.2 wrstuden { 135 1.1.24.2 wrstuden struct netif *nif = desc->io_netif; 136 1.1.24.2 wrstuden struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit]; 137 1.1.24.2 wrstuden void *l = dif->dif_private; 138 1.1.24.2 wrstuden int rv; 139 1.1.24.2 wrstuden size_t sendlen; 140 1.1.24.2 wrstuden 141 1.1.24.2 wrstuden sendlen = len; 142 1.1.24.2 wrstuden if (sendlen < MIN_LEN) 143 1.1.24.2 wrstuden sendlen = MIN_LEN; /* XXX */ 144 1.1.24.2 wrstuden 145 1.1.24.2 wrstuden rv = tlp_send(l, pkt, sendlen); 146 1.1.24.2 wrstuden 147 1.1.24.2 wrstuden return rv; 148 1.1.24.2 wrstuden } 149 1.1.24.2 wrstuden 150 1.1.24.2 wrstuden void 151 1.1.24.2 wrstuden tlp_end(struct netif *netif) 152 1.1.24.2 wrstuden { 153 1.1.24.2 wrstuden } 154
Indexes created Wed Oct 22 06:10:02 GMT 2025