7357df6b48
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
164 lines
4.4 KiB
C
164 lines
4.4 KiB
C
/*
|
|
* Copyright (c) 1995, David Greenman
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice unmodified, this list of conditions, and the following
|
|
* disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/kernel.h>
|
|
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
#include <machine/bus.h>
|
|
|
|
#include <net/ethernet.h>
|
|
#include <net/if.h>
|
|
#include <net/if_arp.h>
|
|
#include <net/if_mib.h>
|
|
|
|
#include <dev/ed/if_edvar.h>
|
|
#include <dev/pccard/pccardvar.h>
|
|
|
|
/*
|
|
* PC-Card (PCMCIA) specific code.
|
|
*/
|
|
static int ed_pccard_probe(device_t);
|
|
static int ed_pccard_attach(device_t);
|
|
static int ed_pccard_detach(device_t);
|
|
|
|
static device_method_t ed_pccard_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, ed_pccard_probe),
|
|
DEVMETHOD(device_attach, ed_pccard_attach),
|
|
DEVMETHOD(device_detach, ed_pccard_detach),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t ed_pccard_driver = {
|
|
"ed",
|
|
ed_pccard_methods,
|
|
sizeof(struct ed_softc)
|
|
};
|
|
|
|
static devclass_t ed_pccard_devclass;
|
|
|
|
DRIVER_MODULE(ed, pccard, ed_pccard_driver, ed_pccard_devclass, 0, 0);
|
|
|
|
/*
|
|
* ed_pccard_detach - unload the driver and clear the table.
|
|
* XXX TODO:
|
|
* This is usually called when the card is ejected, but
|
|
* can be caused by a modunload of a controller driver.
|
|
* The idea is to reset the driver's view of the device
|
|
* and ensure that any driver entry points such as
|
|
* read and write do not hang.
|
|
*/
|
|
static int
|
|
ed_pccard_detach(device_t dev)
|
|
{
|
|
struct ed_softc *sc = device_get_softc(dev);
|
|
struct ifnet *ifp = &sc->arpcom.ac_if;
|
|
|
|
if (sc->gone) {
|
|
device_printf(dev, "already unloaded\n");
|
|
return (0);
|
|
}
|
|
ed_stop(sc);
|
|
ifp->if_flags &= ~IFF_RUNNING;
|
|
ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
|
|
sc->gone = 1;
|
|
bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
|
|
ed_release_resources(dev);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Probe framework for pccards. Replicates the standard framework,
|
|
* minus the pccard driver registration and ignores the ether address
|
|
* supplied (from the CIS), relying on the probe to find it instead.
|
|
*/
|
|
static int
|
|
ed_pccard_probe(device_t dev)
|
|
{
|
|
int error;
|
|
|
|
error = ed_probe_Novell(dev);
|
|
if (error == 0)
|
|
goto end;
|
|
ed_release_resources(dev);
|
|
|
|
error = ed_probe_WD80x3(dev);
|
|
if (error == 0)
|
|
goto end;
|
|
ed_release_resources(dev);
|
|
|
|
end:
|
|
if (error == 0)
|
|
error = ed_alloc_irq(dev, 0, 0);
|
|
|
|
ed_release_resources(dev);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
ed_pccard_attach(device_t dev)
|
|
{
|
|
struct ed_softc *sc = device_get_softc(dev);
|
|
int flags = device_get_flags(dev);
|
|
int error;
|
|
int i;
|
|
u_char sum;
|
|
u_char ether_addr[ETHER_ADDR_LEN];
|
|
|
|
if (sc->port_used > 0)
|
|
ed_alloc_port(dev, sc->port_rid, sc->port_used);
|
|
if (sc->mem_used)
|
|
ed_alloc_memory(dev, sc->mem_rid, sc->mem_used);
|
|
ed_alloc_irq(dev, sc->irq_rid, 0);
|
|
|
|
error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
|
|
edintr, sc, &sc->irq_handle);
|
|
if (error) {
|
|
printf("setup intr failed %d \n", error);
|
|
ed_release_resources(dev);
|
|
return (error);
|
|
}
|
|
|
|
if (ed_get_Linksys(sc) == 0) {
|
|
pccard_get_ether(dev, ether_addr);
|
|
for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
|
|
sum |= ether_addr[i];
|
|
if (sum)
|
|
bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
|
|
}
|
|
|
|
error = ed_attach(sc, device_get_unit(dev), flags);
|
|
return (error);
|
|
}
|