1/* $NetBSD: nif_tlp.c,v 1.2 2008/04/28 20:23:16 martin 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 <sys/param.h> 33#include <sys/socket.h> 34 35#include <lib/libsa/stand.h> 36#include <lib/libkern/libkern.h> 37 38#include <sys/socket.h> 39#include <net/if.h> 40#include <netinet/in.h> 41#include <netinet/in_systm.h> 42 43#include <lib/libsa/net.h> 44#include <lib/libsa/netif.h> 45#include <lib/libsa/dev_net.h> 46 47#include "boot.h" 48 49static int tlp_match(struct netif *, void *); 50static int tlp_probe(struct netif *, void *); 51static void tlp_attach(struct iodesc *, void *); 52static int tlp_get(struct iodesc *, void *, size_t, saseconds_t); 53static int tlp_put(struct iodesc *, void *, size_t); 54static void tlp_end(struct netif *); 55 56#define MIN_LEN 60 /* ETHER_MIN_LEN - ETHER_CRC_LEN */ 57 58static struct netif_stats tlp_stats[1]; 59 60static struct netif_dif tlp_ifs[] = { 61 { 0, 1, &tlp_stats[0], NULL, 0 }, 62}; 63 64struct netif_driver ether_tlp_driver = { 65 "tlp", 66 tlp_match, 67 tlp_probe, 68 tlp_attach, 69 tlp_get, 70 tlp_put, 71 tlp_end, 72 tlp_ifs, 73 1, 74}; 75 76#ifdef DEBUG 77int debug = 1; /* referred in various libsa net sources */ 78#endif 79 80int 81tlp_match(struct netif *netif, void *hint) 82{ 83 84 /* always match for onboard tlp */ 85 return 1; 86} 87 88int 89tlp_probe(struct netif *netif, void *hint) 90{ 91 92 /* XXX */ 93 return 0; 94} 95 96void 97tlp_attach(struct iodesc *desc, void *hint) 98{ 99 struct netif *nif = desc->io_netif; 100 struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit]; 101 102 dif->dif_private = tlp_init(&desc->myea); 103} 104 105int 106tlp_get(struct iodesc *desc, void *pkt, size_t maxlen, saseconds_t timeout) 107{ 108 int len; 109 struct netif *nif = desc->io_netif; 110 struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit]; 111 void *l = dif->dif_private; 112 113 len = tlp_recv(l, pkt, maxlen, timeout); 114 if (len == -1) { 115 printf("tlp: receive timeout\n"); 116 /* XXX */ 117 } 118 119 if (len < MIN_LEN) 120 len = -1; 121 122 return len; 123} 124 125int 126tlp_put(struct iodesc *desc, void *pkt, size_t len) 127{ 128 struct netif *nif = desc->io_netif; 129 struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit]; 130 void *l = dif->dif_private; 131 int rv; 132 size_t sendlen; 133 134 sendlen = len; 135 if (sendlen < MIN_LEN) 136 sendlen = MIN_LEN; /* XXX */ 137 138 rv = tlp_send(l, pkt, sendlen); 139 140 return rv; 141} 142 143void 144tlp_end(struct netif *netif) 145{ 146} 147