231 lines
5.8 KiB
C
231 lines
5.8 KiB
C
/* $NetBSD: if_bug.c,v 1.1 2002/02/27 21:02:27 scw Exp $ */
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/*-
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* Copyright (c) 2002 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 Steve C. Woodford.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <net/if.h>
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#include <net/if_ether.h>
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#include <lib/libkern/libkern.h>
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#include <lib/libsa/stand.h>
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#include <lib/libsa/net.h>
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#include <lib/libsa/netif.h>
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#include "libsa.h"
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#include "bugsyscalls.h"
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static int bug_match(struct netif *, void *);
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static int bug_probe(struct netif *, void *);
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static void bug_init(struct iodesc *, void *);
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static int bug_get(struct iodesc *, void *, size_t, time_t);
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static int bug_put(struct iodesc *, void *, size_t);
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static void bug_end(struct netif *);
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static struct netif_stats bug_stats;
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static struct netif_dif bug0_dif = {
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0, 1, &bug_stats, 0, 0
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};
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struct netif_driver bug_driver = {
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"net", /* netif_bname */
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bug_match, /* match */
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bug_probe, /* probe */
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bug_init, /* init */
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bug_get, /* get */
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bug_put, /* put */
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bug_end, /* end */
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&bug0_dif, /* netif_ifs */
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1, /* netif_nifs */
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};
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struct bug_softc {
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u_int32_t sc_pad1;
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u_int8_t sc_rxbuf[ETHER_MAX_LEN];
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u_int32_t sc_pad2;
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u_int8_t sc_txbuf[ETHER_MAX_LEN];
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};
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static struct bug_softc bug_softc;
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int
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bug_match(nif, machdep_hint)
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struct netif *nif;
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void *machdep_hint;
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{
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if (machdep_hint &&
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memcmp(bug_driver.netif_bname, machdep_hint,
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strlen(bug_driver.netif_bname)) == 0)
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return (1);
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return (0);
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}
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int
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bug_probe(nif, machdep_hint)
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struct netif *nif;
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void *machdep_hint;
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{
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return (0);
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}
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void
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bug_init(desc, machdep_hint)
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struct iodesc *desc;
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void *machdep_hint;
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{
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struct netif *nif = desc->io_netif;
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struct bug_netio nio;
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nio.nc_clun = 0;
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nio.nc_dlun = 0;
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nio.nc_status = 0;
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nio.nc_command = BUG_NETIO_CMD_GET_MAC;
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nio.nc_buffer = desc->myea;
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nio.nc_length = 6;
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nio.nc_csr = 0;
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if (bugsys_netio(&nio) != 0 || nio.nc_status != 0)
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panic("bug_init: Failed to get MAC address! (code 0x%x)",
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nio.nc_status);
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nio.nc_clun = 0;
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nio.nc_dlun = 0;
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nio.nc_status = 0;
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nio.nc_command = BUG_NETIO_CMD_FLUSH;
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nio.nc_buffer = NULL;
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nio.nc_length = 0;
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nio.nc_csr = 0;
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if (bugsys_netio(&nio) != 0 || nio.nc_status != 0)
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panic("bug_init: Failed to flush netio device (code 0x%x)",
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nio.nc_status);
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printf("network: %s%d attached to %s\n", nif->nif_driver->netif_bname,
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nif->nif_unit, ether_sprintf(desc->myea));
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nif->nif_devdata = &bug_softc;
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}
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int
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bug_get(desc, pkt, len, timeout)
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struct iodesc *desc;
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void *pkt;
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size_t len;
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time_t timeout;
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{
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struct netif *nif = desc->io_netif;
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struct bug_softc *sc = nif->nif_devdata;
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struct bug_netio nio;
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nio.nc_clun = 0;
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nio.nc_dlun = 0;
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nio.nc_status = 0;
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nio.nc_command = BUG_NETIO_CMD_RECEIVE;
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nio.nc_buffer = sc->sc_rxbuf;
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nio.nc_length = ETHER_MAX_LEN;
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nio.nc_csr = 0;
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if (bugsys_netio(&nio) != 0 || nio.nc_status != 0) {
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printf("bug_get: Receive packet failed (code: 0x%x)\n",
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nio.nc_status);
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return (0);
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}
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if (nio.nc_length) {
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memcpy(pkt, sc->sc_rxbuf, MIN(len, nio.nc_length));
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return (MIN(len, nio.nc_length));
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}
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return (0);
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}
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int
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bug_put(desc, pkt, len)
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struct iodesc *desc;
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void *pkt;
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size_t len;
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{
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struct netif *nif = desc->io_netif;
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struct bug_softc *sc = nif->nif_devdata;
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struct bug_netio nio;
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memcpy(&sc->sc_txbuf, pkt, len);
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nio.nc_clun = 0;
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nio.nc_dlun = 0;
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nio.nc_status = 0;
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nio.nc_command = BUG_NETIO_CMD_TRANSMIT;
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nio.nc_buffer = sc->sc_txbuf;
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nio.nc_length = MAX(len, ETHER_MIN_LEN);
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nio.nc_csr = 0;
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if (bugsys_netio(&nio) != 0 || nio.nc_status != 0) {
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printf("bug_put: Send packet failed (code: 0x%x)\n",
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nio.nc_status);
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return (0);
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}
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return (len);
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}
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void
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bug_end(nif)
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struct netif *nif;
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{
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struct bug_netio nio;
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nio.nc_clun = 0;
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nio.nc_dlun = 0;
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nio.nc_status = 0;
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nio.nc_command = BUG_NETIO_CMD_FLUSH;
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nio.nc_buffer = NULL;
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nio.nc_length = 0;
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nio.nc_csr = 0;
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if (bugsys_netio(&nio) != 0 || nio.nc_status != 0)
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printf("bug_end: netio failed (code: 0x%x)\n", nio.nc_status);
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}
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