21b8ebd926
ether_ifdetach(). The former consolidates the operations of if_attach(), ng_ether_attach(), and bpfattach(). The latter consolidates the corresponding detach operations. Reviewed by: julian, freebsd-net
156 lines
4.3 KiB
C
156 lines
4.3 KiB
C
/*
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* Copyright (c) 1997, 1998, 1999
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* Bill Paul <wpaul@ctr.columbia.edu>. 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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* 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 Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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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
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Aironet 4500/4800 802.11 PCMCIA/ISA/PCI driver for FreeBSD.
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*
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* Written by Bill Paul <wpaul@ctr.columbia.edu>
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* Electrical Engineering Department
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* Columbia University, New York City
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*/
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#include "opt_inet.h"
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#ifdef INET
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#define ANCACHE
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/socket.h>
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#include <sys/kernel.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 <sys/rman.h>
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#include <machine/resource.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h>
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#include <net/if_dl.h>
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#include <net/if_types.h>
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#include <dev/an/if_aironet_ieee.h>
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#include <dev/an/if_anreg.h>
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/*
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* Support for PCMCIA cards.
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*/
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static int an_pccard_probe(device_t);
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static int an_pccard_attach(device_t);
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static int an_pccard_detach(device_t);
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static device_method_t an_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, an_pccard_probe),
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DEVMETHOD(device_attach, an_pccard_attach),
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DEVMETHOD(device_detach, an_pccard_detach),
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DEVMETHOD(device_shutdown, an_shutdown),
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{ 0, 0 }
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};
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static driver_t an_pccard_driver = {
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"an",
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an_pccard_methods,
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sizeof(struct an_softc)
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};
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static devclass_t an_pccard_devclass;
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DRIVER_MODULE(if_an, pccard, an_pccard_driver, an_pccard_devclass, 0, 0);
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static int
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an_pccard_detach(device_t dev)
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{
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struct an_softc *sc = device_get_softc(dev);
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struct ifnet *ifp = &sc->arpcom.ac_if;
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if (sc->an_gone) {
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device_printf(dev,"already unloaded\n");
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return(0);
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}
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an_stop(sc);
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ifp->if_flags &= ~IFF_RUNNING;
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ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
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sc->an_gone = 1;
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bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
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an_release_resources(dev);
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return (0);
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}
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static int
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an_pccard_probe(device_t dev)
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{
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int error;
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error = an_probe(dev); /* 0 is failure for now */
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if (error != 0) {
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device_set_desc(dev, "Aironet PC4500/PC4800");
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error = an_alloc_irq(dev, 0, 0);
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} else
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error = 1;
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an_release_resources(dev);
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return (error);
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}
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static int
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an_pccard_attach(device_t dev)
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{
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struct an_softc *sc = device_get_softc(dev);
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int flags = device_get_flags(dev);
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int error;
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an_alloc_port(dev, sc->port_rid, AN_IOSIZ);
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an_alloc_irq(dev, sc->irq_rid, 0);
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error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
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an_intr, sc, &sc->irq_handle);
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if (error) {
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printf("setup intr failed %d \n", error);
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an_release_resources(dev);
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return (error);
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}
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sc->an_bhandle = rman_get_bushandle(sc->port_res);
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sc->an_btag = rman_get_bustag(sc->port_res);
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error = an_attach(sc, device_get_unit(dev), flags);
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return (error);
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}
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