xref: /openbmc/linux/drivers/net/wireless/ath/ath9k/dfs.h (revision 2cf1c348)
1 /*
2  * Copyright (c) 2008-2011 Atheros Communications Inc.
3  * Copyright (c) 2011 Neratec Solutions AG
4  *
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.
8  *
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.
16  */
17 
18 #ifndef ATH9K_DFS_H
19 #define ATH9K_DFS_H
20 #include "../dfs_pattern_detector.h"
21 
22 #if defined(CONFIG_ATH9K_DFS_CERTIFIED)
23 /**
24  * ath9k_dfs_process_phyerr - process radar PHY error
25  * @sc: ath_softc
26  * @data: RX payload data
27  * @rs: RX status after processing descriptor
28  * @mactime: receive time
29  *
30  * This function is called whenever the HW DFS module detects a radar
31  * pulse and reports it as a PHY error.
32  *
33  * The radar information provided as raw payload data is validated and
34  * filtered for false pulses. Events passing all tests are forwarded to
35  * the DFS detector for pattern detection.
36  */
37 void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
38 			      struct ath_rx_status *rs, u64 mactime);
39 #else
40 static inline void
41 ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
42 			 struct ath_rx_status *rs, u64 mactime) { }
43 #endif
44 
45 #endif /* ATH9K_DFS_H */
46