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This initial DFS module provides basic functionality to deal with radar pulses reported by the Atheros DFS HW pulse detector. The reported data is evaluated and basic plausibility checks are performed to filter false pulses. Passing radar pulses are forwarded to pattern detectors which are not yet implemented. (Some modifications to actually use ATH9K_DFS_DEBUGFS based on comments from Julian Calaby <julian.calaby@gmail.com>. -- JWL) Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com> Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/*
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* Copyright (c) 2008-2011 Atheros Communications Inc.
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* Copyright (c) 2011 Neratec Solutions AG
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*
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* Permission to use, copy, modify, and/or 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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#ifndef ATH9K_DFS_H
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#define ATH9K_DFS_H
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#if defined(CONFIG_ATH9K_DFS_CERTIFIED)
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/**
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* ath9k_dfs_process_phyerr - process radar PHY error
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* @sc: ath_softc
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* @data: RX payload data
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* @rs: RX status after processing descriptor
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* @mactime: receive time
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*
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* This function is called whenever the HW DFS module detects a radar
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* pulse and reports it as a PHY error.
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*
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* The radar information provided as raw payload data is validated and
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* filtered for false pulses. Events passing all tests are forwarded to
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* the upper layer for pattern detection.
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*/
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void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
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struct ath_rx_status *rs, u64 mactime);
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#else
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static inline void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
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struct ath_rx_status *rs, u64 mactime) { }
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#endif
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#endif /* ATH9K_DFS_H */
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