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147 lines
3.6 KiB
C
147 lines
3.6 KiB
C
/* $NetBSD: nif_tlp.c,v 1.3 2009/01/12 11:32:43 tsutsui Exp $ */
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/*-
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* Copyright (c) 2004 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by UCHIYAMA Yasushi.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <lib/libsa/stand.h>
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#include <lib/libkern/libkern.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <lib/libsa/net.h>
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#include <lib/libsa/netif.h>
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#include <lib/libsa/dev_net.h>
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#include "boot.h"
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static int tlp_match(struct netif *, void *);
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static int tlp_probe(struct netif *, void *);
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static void tlp_attach(struct iodesc *, void *);
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static int tlp_get(struct iodesc *, void *, size_t, saseconds_t);
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static int tlp_put(struct iodesc *, void *, size_t);
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static void tlp_end(struct netif *);
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#define MIN_LEN 60 /* ETHER_MIN_LEN - ETHER_CRC_LEN */
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static struct netif_stats tlp_stats[1];
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static struct netif_dif tlp_ifs[] = {
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{ 0, 1, &tlp_stats[0], NULL, 0 },
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};
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struct netif_driver ether_tlp_driver = {
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"tlp",
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tlp_match,
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tlp_probe,
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tlp_attach,
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tlp_get,
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tlp_put,
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tlp_end,
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tlp_ifs,
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1,
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};
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#ifdef DEBUG
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int debug = 1; /* referred in various libsa net sources */
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#endif
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int
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tlp_match(struct netif *netif, void *hint)
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{
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/* always match for onboard tlp */
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return 1;
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}
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int
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tlp_probe(struct netif *netif, void *hint)
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{
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/* XXX */
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return 0;
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}
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void
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tlp_attach(struct iodesc *desc, void *hint)
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{
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struct netif *nif = desc->io_netif;
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struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit];
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dif->dif_private = tlp_init(&desc->myea);
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}
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int
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tlp_get(struct iodesc *desc, void *pkt, size_t maxlen, saseconds_t timeout)
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{
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int len;
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struct netif *nif = desc->io_netif;
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struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit];
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void *l = dif->dif_private;
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len = tlp_recv(l, pkt, maxlen, timeout);
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if (len == -1) {
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printf("tlp: receive timeout\n");
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/* XXX */
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}
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if (len < MIN_LEN)
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len = -1;
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return len;
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}
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int
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tlp_put(struct iodesc *desc, void *pkt, size_t len)
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{
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struct netif *nif = desc->io_netif;
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struct netif_dif *dif = &nif->nif_driver->netif_ifs[nif->nif_unit];
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void *l = dif->dif_private;
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int rv;
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size_t sendlen;
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sendlen = len;
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if (sendlen < MIN_LEN)
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sendlen = MIN_LEN; /* XXX */
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rv = tlp_send(l, pkt, sendlen);
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return rv;
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}
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void
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tlp_end(struct netif *netif)
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{
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}
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