freebsd-dev/sys/dev/ath/if_athdfs.h
Adrian Chadd d77363ad5b Change the ath_dfs_process_phy_err() method to take an mbuf rather than
a buffer pointer.

For large radar pulses, the AR9130 and later will return a series of
FFT results for software processing.  These can overflow a single 2KB
buffer on longer pulses.  This would result in undefined buffer behaviour.
2012-06-24 08:09:06 +00:00

49 lines
2.2 KiB
C

/*-
* Copyright (c) 2011 Adrian Chadd, Xenion Pty Ltd
* 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, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*
* $FreeBSD$
*/
#ifndef __IF_ATHDFS_H__
#define __IF_ATHDFS_H__
extern int ath_dfs_attach(struct ath_softc *sc);
extern int ath_dfs_detach(struct ath_softc *sc);
extern int ath_dfs_radar_enable(struct ath_softc *,
struct ieee80211_channel *chan);
extern void ath_dfs_process_phy_err(struct ath_softc *sc, struct mbuf *m,
uint64_t tsf, struct ath_rx_status *rxstat);
extern int ath_dfs_process_radar_event(struct ath_softc *sc,
struct ieee80211_channel *chan);
extern int ath_dfs_tasklet_needed(struct ath_softc *sc,
struct ieee80211_channel *chan);
extern int ath_ioctl_phyerr(struct ath_softc *sc, struct ath_diag *ad);
extern int ath_dfs_get_thresholds(struct ath_softc *sc,
HAL_PHYERR_PARAM *param);
#endif /* __IF_ATHDFS_H__ */