13f4c340ae
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to ifnet.if_drv_flags. Device drivers are now responsible for synchronizing access to these flags, as they are in if_drv_flags. This helps prevent races between the network stack and device driver in maintaining the interface flags field. Many __FreeBSD__ and __FreeBSD_version checks maintained and continued; some less so. Reviewed by: pjd, bz MFC after: 7 days
169 lines
3.8 KiB
C
169 lines
3.8 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2005
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* Damien Bergamini <damien.bergamini@free.fr>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* PCI front-end for the Ralink RT2500 driver.
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*/
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/sockio.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <machine/clock.h>
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#include <sys/rman.h>
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#include <net/bpf.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_media.h>
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#include <net/if_types.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/ral/if_ralrate.h>
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#include <dev/ral/if_ralreg.h>
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#include <dev/ral/if_ralvar.h>
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MODULE_DEPEND(ral, pci, 1, 1, 1);
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MODULE_DEPEND(ral, wlan, 1, 1, 1);
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struct ral_pci_ident {
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uint16_t vendor;
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uint16_t device;
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const char *name;
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};
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static const struct ral_pci_ident ral_pci_ids[] = {
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{ 0x1814, 0x0201, "Ralink Technology RT2500" },
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{ 0, 0, NULL }
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};
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static int ral_pci_probe(device_t);
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static int ral_pci_attach(device_t);
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static int ral_pci_suspend(device_t);
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static int ral_pci_resume(device_t);
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static device_method_t ral_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ral_pci_probe),
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DEVMETHOD(device_attach, ral_pci_attach),
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DEVMETHOD(device_detach, ral_detach),
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DEVMETHOD(device_suspend, ral_pci_suspend),
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DEVMETHOD(device_resume, ral_pci_resume),
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{ 0, 0 }
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};
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static driver_t ral_pci_driver = {
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"ral",
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ral_pci_methods,
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sizeof (struct ral_softc)
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};
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DRIVER_MODULE(ral, pci, ral_pci_driver, ral_devclass, 0, 0);
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DRIVER_MODULE(ral, cardbus, ral_pci_driver, ral_devclass, 0, 0);
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static int
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ral_pci_probe(device_t dev)
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{
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const struct ral_pci_ident *ident;
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for (ident = ral_pci_ids; ident->name != NULL; ident++) {
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if (pci_get_vendor(dev) == ident->vendor &&
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pci_get_device(dev) == ident->device) {
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device_set_desc(dev, ident->name);
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return 0;
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}
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}
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return ENXIO;
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}
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/* Base Address Register */
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#define RAL_PCI_BAR0 0x10
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static int
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ral_pci_attach(device_t dev)
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{
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int error;
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if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
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device_printf(dev, "chip is in D%d power mode "
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"-- setting to D0\n", pci_get_powerstate(dev));
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pci_set_powerstate(dev, PCI_POWERSTATE_D0);
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}
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/* enable bus-mastering */
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pci_enable_busmaster(dev);
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error = ral_alloc(dev, RAL_PCI_BAR0);
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if (error != 0)
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return error;
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error = ral_attach(dev);
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if (error != 0)
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ral_free(dev);
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return error;
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}
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static int
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ral_pci_suspend(device_t dev)
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{
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struct ral_softc *sc = device_get_softc(dev);
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ral_stop(sc);
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return 0;
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}
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static int
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ral_pci_resume(device_t dev)
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{
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struct ral_softc *sc = device_get_softc(dev);
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struct ifnet *ifp = sc->sc_ic.ic_ifp;
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if (ifp->if_flags & IFF_UP) {
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ifp->if_init(ifp->if_softc);
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if (ifp->if_drv_flags & IFF_DRV_RUNNING)
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ifp->if_start(ifp);
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}
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return 0;
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}
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