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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright 2022 Google LLC.
*
* Author: Star Chang <starchang@google.com>
*/
#ifndef _WLAN_PTRACKER_DEBUGFS_H
#define _WLAN_PTRACKER_DEBUGFS_H
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/time64.h>
struct wlan_ptracker_debugfs {
struct dentry *root;
u32 dscp;
u32 ac;
u32 action;
u32 log_level;
};
enum {
FEATURE_FLAG_TWT,
FEATURE_FLAG_MAX
};
enum {
ACTION_DSCP_UPDATE,
ACTION_MAX,
};
struct history_entry {
u32 state;
bool valid;
struct timespec64 ts;
};
#define MODULE_NAME_MAX 64
struct history_manager {
char name[MODULE_NAME_MAX];
int cur;
int round;
int entry_count;
int entry_size;
struct mutex mutex;
int (*priv_read)(void *cur, void *next, char *buf, int len);
u8 entries[0];
};
extern int wlan_ptracker_debugfs_init(struct wlan_ptracker_debugfs *debugfs);
extern void wlan_ptracker_debugfs_exit(struct wlan_ptracker_debugfs *debugfs);
extern struct history_manager *wlan_ptracker_history_create(int entry_count, int entry_size);
extern void wlan_ptracker_history_destroy(struct history_manager *hm);
extern void *wlan_ptracker_history_store(struct history_manager *hm, u32 state);
extern size_t wlan_ptracker_history_read(struct history_manager *hm, char *buf, int len);
#endif /* _WLAN_PTRACKER_DEBUGFS_H */
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