ath9k: add DFS radar pulse processing
[linux-2.6.git] / drivers / net / wireless / ath / ath9k / dfs.h
blobc2412857f122863c62cbc436237b65d2c4ed670a
1 /*
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
3 * Copyright (c) 2011 Neratec Solutions AG
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #ifndef ATH9K_DFS_H
19 #define ATH9K_DFS_H
21 #if defined(CONFIG_ATH9K_DFS_CERTIFIED)
22 /**
23 * ath9k_dfs_process_phyerr - process radar PHY error
24 * @sc: ath_softc
25 * @data: RX payload data
26 * @rs: RX status after processing descriptor
27 * @mactime: receive time
29 * This function is called whenever the HW DFS module detects a radar
30 * pulse and reports it as a PHY error.
32 * The radar information provided as raw payload data is validated and
33 * filtered for false pulses. Events passing all tests are forwarded to
34 * the upper layer for pattern detection.
36 void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
37 struct ath_rx_status *rs, u64 mactime);
38 #else
39 static inline void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
40 struct ath_rx_status *rs, u64 mactime) { }
41 #endif
43 #endif /* ATH9K_DFS_H */