mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-27 03:47:43 +00:00
ad40d3da1e
Move the DFS pattern detector code to the ath module so the other Atheros drivers can make us of it. This makes no functional changes. Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com> Reviewed-by: Luis R. Rodriguez <mcgrof@do-not-panic.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 2012 Neratec Solutions AG
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef DFS_PRI_DETECTOR_H
|
|
#define DFS_PRI_DETECTOR_H
|
|
|
|
#include <linux/list.h>
|
|
|
|
extern struct ath_dfs_pool_stats global_dfs_pool_stats;
|
|
|
|
/**
|
|
* struct pri_sequence - sequence of pulses matching one PRI
|
|
* @head: list_head
|
|
* @pri: pulse repetition interval (PRI) in usecs
|
|
* @dur: duration of sequence in usecs
|
|
* @count: number of pulses in this sequence
|
|
* @count_falses: number of not matching pulses in this sequence
|
|
* @first_ts: time stamp of first pulse in usecs
|
|
* @last_ts: time stamp of last pulse in usecs
|
|
* @deadline_ts: deadline when this sequence becomes invalid (first_ts + dur)
|
|
*/
|
|
struct pri_sequence {
|
|
struct list_head head;
|
|
u32 pri;
|
|
u32 dur;
|
|
u32 count;
|
|
u32 count_falses;
|
|
u64 first_ts;
|
|
u64 last_ts;
|
|
u64 deadline_ts;
|
|
};
|
|
|
|
/**
|
|
* struct pri_detector - PRI detector element for a dedicated radar type
|
|
* @exit(): destructor
|
|
* @add_pulse(): add pulse event, returns pri_sequence if pattern was detected
|
|
* @reset(): clear states and reset to given time stamp
|
|
* @rs: detector specs for this detector element
|
|
* @last_ts: last pulse time stamp considered for this element in usecs
|
|
* @sequences: list_head holding potential pulse sequences
|
|
* @pulses: list connecting pulse_elem objects
|
|
* @count: number of pulses in queue
|
|
* @max_count: maximum number of pulses to be queued
|
|
* @window_size: window size back from newest pulse time stamp in usecs
|
|
*/
|
|
struct pri_detector {
|
|
void (*exit) (struct pri_detector *de);
|
|
struct pri_sequence *
|
|
(*add_pulse)(struct pri_detector *de, struct pulse_event *e);
|
|
void (*reset) (struct pri_detector *de, u64 ts);
|
|
|
|
/* private: internal use only */
|
|
const struct radar_detector_specs *rs;
|
|
u64 last_ts;
|
|
struct list_head sequences;
|
|
struct list_head pulses;
|
|
u32 count;
|
|
u32 max_count;
|
|
u32 window_size;
|
|
};
|
|
|
|
struct pri_detector *pri_detector_init(const struct radar_detector_specs *rs);
|
|
|
|
#endif /* DFS_PRI_DETECTOR_H */
|