193 lines
4.9 KiB
C
193 lines
4.9 KiB
C
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/*-
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* Copyright (c) 2012 Adrian Chadd <adrian@FreeBSD.org>
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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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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR 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
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* IN 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 DAMAGES.
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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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* Driver for the Atheros Wireless LAN controller.
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*
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* This software is derived from work of Atsushi Onoe; his contribution
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* is greatly appreciated.
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*/
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#include "opt_inet.h"
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#include "opt_ath.h"
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/*
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* This is needed for register operations which are performed
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* by the driver - eg, calls to ath_hal_gettsf32().
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*
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* It's also required for any AH_DEBUG checks in here, eg the
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* module dependencies.
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*/
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#include "opt_ah.h"
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#include "opt_wlan.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/sysctl.h>
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#include <sys/mbuf.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/errno.h>
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#include <sys/callout.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/kthread.h>
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#include <sys/taskqueue.h>
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#include <sys/priv.h>
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#include <sys/module.h>
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#include <sys/ktr.h>
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#include <sys/smp.h> /* for mp_ncpus */
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#include <machine/bus.h>
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#include <net/if.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 <net/if_arp.h>
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#include <net/ethernet.h>
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#include <net/if_llc.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_regdomain.h>
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#ifdef IEEE80211_SUPPORT_SUPERG
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#include <net80211/ieee80211_superg.h>
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#endif
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#ifdef IEEE80211_SUPPORT_TDMA
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#include <net80211/ieee80211_tdma.h>
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#endif
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#include <net/bpf.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#endif
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#include <dev/ath/if_athvar.h>
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#include <dev/ath/ath_hal/ah_devid.h> /* XXX for softled */
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#include <dev/ath/ath_hal/ah_diagcodes.h>
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#include <dev/ath/if_ath_debug.h>
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#include <dev/ath/if_ath_misc.h>
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#include <dev/ath/if_ath_tsf.h>
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#include <dev/ath/if_ath_tx.h>
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#include <dev/ath/if_ath_sysctl.h>
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#include <dev/ath/if_ath_led.h>
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#include <dev/ath/if_ath_keycache.h>
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#include <dev/ath/if_ath_rx.h>
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#include <dev/ath/if_ath_beacon.h>
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#include <dev/ath/if_athdfs.h>
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#ifdef ATH_TX99_DIAG
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#include <dev/ath/ath_tx99/ath_tx99.h>
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#endif
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#include <dev/ath/if_ath_rx_edma.h>
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static void
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ath_edma_stoprecv(struct ath_softc *sc, int dodelay)
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{
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struct ath_hal *ah = sc->sc_ah;
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ath_hal_stoppcurecv(ah);
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ath_hal_setrxfilter(ah, 0);
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ath_hal_stopdmarecv(ah);
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DELAY(3000);
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if (sc->sc_rxpending != NULL) {
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m_freem(sc->sc_rxpending);
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sc->sc_rxpending = NULL;
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}
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sc->sc_rxlink = NULL;
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}
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static int
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ath_edma_startrecv(struct ath_softc *sc)
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{
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struct ath_hal *ah = sc->sc_ah;
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sc->sc_rxlink = NULL;
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sc->sc_rxpending = NULL;
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/* XXX setup HP RX queue FIFO pointer */
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/* XXX setup LP RX queue FIFO pointer */
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/* XXX ath_hal_rxena() */
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ath_mode_init(sc);
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ath_hal_startpcurecv(ah);
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return (0);
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}
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static void
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ath_edma_recv_flush(struct ath_softc *sc)
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{
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device_printf(sc->sc_dev, "%s: called\n", __func__);
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}
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static void
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ath_edma_recv_tasklet(void *arg, int npending)
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{
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struct ath_softc *sc = (struct ath_softc *) arg;
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device_printf(sc->sc_dev, "%s: called; npending=%d\n",
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__func__,
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npending);
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/* XXX TODO */
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}
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static int
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ath_edma_rxbuf_init(struct ath_softc *sc, struct ath_buf *bf)
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{
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device_printf(sc->sc_dev, "%s: called; bf=%p\n", __func__, bf);
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return (EIO);
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}
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void
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ath_recv_setup_edma(struct ath_softc *sc)
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{
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device_printf(sc->sc_dev, "DMA setup: EDMA\n");
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sc->sc_rx.recv_stop = ath_edma_stoprecv;
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sc->sc_rx.recv_start = ath_edma_startrecv;
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sc->sc_rx.recv_flush = ath_edma_recv_flush;
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sc->sc_rx.recv_tasklet = ath_edma_recv_tasklet;
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sc->sc_rx.recv_rxbuf_init = ath_edma_rxbuf_init;
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}
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