9b41f0a787
crashes that had sn0 as the irq that's being serviced, when there was no sn0 in the system. This seems to prevent them. Also, we want to wait until after we've registered with the network layer before we turn on the interrupt spigot to avoid races.
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* Copyright (c) 1999 M. Warner Losh
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* All rights reserved.
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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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <isa/isavar.h>
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#include <dev/sn/if_snvar.h>
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static int sn_isa_probe (device_t);
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static int sn_isa_attach (device_t);
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static int
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sn_isa_probe (device_t dev)
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{
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if (isa_get_logicalid(dev)) /* skip PnP probes */
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return (ENXIO);
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if (sn_probe(dev, 0) != 0)
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return (ENXIO);
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return (0);
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}
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static int
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sn_isa_attach (device_t dev)
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{
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struct sn_softc *sc = device_get_softc(dev);
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sc->pccard_enaddr = 0;
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return (sn_attach(dev));
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}
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static device_method_t sn_isa_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, sn_isa_probe),
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DEVMETHOD(device_attach, sn_isa_attach),
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DEVMETHOD(device_detach, sn_detach),
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{ 0, 0 }
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};
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static driver_t sn_isa_driver = {
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"sn",
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sn_isa_methods,
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sizeof(struct sn_softc),
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};
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extern devclass_t sn_devclass;
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DRIVER_MODULE(sn, isa, sn_isa_driver, sn_devclass, 0, 0);
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MODULE_DEPEND(sn, isa, 1, 1, 1);
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MODULE_DEPEND(sn, ether, 1, 1, 1);
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