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160 lines
3.9 KiB
C
160 lines
3.9 KiB
C
/*-
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* Copyright (c) 2011 Adrian Chadd, Xenion Pty Ltd
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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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* $FreeBSD$
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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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* This implements an empty DFS module.
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*/
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#include "opt_inet.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/kernel.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/errno.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/bus.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <net/if_media.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h> /* XXX for ether_sprintf */
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#include <net80211/ieee80211_var.h>
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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/if_athdfs.h>
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#include <dev/ath/ath_hal/ah_desc.h>
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/*
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* Methods which are required
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*/
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/*
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* Attach DFS to the given interface
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*/
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int
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ath_dfs_attach(struct ath_softc *sc)
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{
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return 1;
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}
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/*
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* Detach DFS from the given interface
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*/
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int
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ath_dfs_detach(struct ath_softc *sc)
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{
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return 1;
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}
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/*
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* Enable radar check
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*/
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void
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ath_dfs_radar_enable(struct ath_softc *sc, struct ieee80211_channel *chan)
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{
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/* Check if the current channel is radar-enabled */
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if (! IEEE80211_IS_CHAN_DFS(chan))
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return;
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}
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/*
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* Process DFS related PHY errors
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*/
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void
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ath_dfs_process_phy_err(struct ath_softc *sc, const char *buf,
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uint64_t tsf, struct ath_rx_status *rxstat)
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{
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}
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/*
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* Process the radar events and determine whether a DFS event has occured.
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*
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* This is designed to run outside of the RX processing path.
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* The RX path will call ath_dfs_tasklet_needed() to see whether
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* the task/callback running this routine needs to be called.
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*/
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int
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ath_dfs_process_radar_event(struct ath_softc *sc,
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struct ieee80211_channel *chan)
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{
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return 0;
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}
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/*
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* Determine whether the the DFS check task needs to be queued.
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*
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* This is called in the RX task when the current batch of packets
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* have been received. It will return whether there are any radar
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* events for ath_dfs_process_radar_event() to handle.
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*/
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int
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ath_dfs_tasklet_needed(struct ath_softc *sc, struct ieee80211_channel *chan)
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{
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return 0;
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}
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/*
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* Handle ioctl requests from the diagnostic interface
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*/
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int
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ath_ioctl_phyerr(struct ath_softc *sc, struct ath_diag *ad)
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{
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return 1;
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}
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/*
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* Get the current DFS thresholds from the HAL
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*/
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int
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ath_dfs_get_thresholds(struct ath_softc *sc, HAL_PHYERR_PARAM *param)
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{
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ath_hal_getdfsthresh(sc->sc_ah, param);
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return 1;
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}
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