1 files changed, 75 insertions, 0 deletions
diff --git a/debugfs.h b/debugfs.h
new file mode 100644
index 0000000..7b2e282
--- /dev/null
+++ b/debugfs.h
@@ -0,0 +1,75 @@
+/* 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>
+#include <linux/sysfs.h>
+#include <linux/kobject.h>
+
+struct wlan_ptracker_core;
+
+struct wlan_ptracker_debugfs {
+	struct dentry *root;
+	struct kobject kobj;
+	u32 dscp;
+	u32 ac;
+	u32 action;
+	u32 log_level;
+};
+
+struct ptracker_kobj_attr {
+	struct attribute attr;
+	ssize_t (*show)(struct wlan_ptracker_debugfs *, char *);
+	ssize_t (*store)(struct wlan_ptracker_debugfs *, const char *, size_t count);
+};
+
+enum {
+	FEATURE_FLAG_TWT,
+	FEATURE_FLAG_MAX
+};
+
+enum {
+	ACTION_DSCP_UPDATE,
+	ACTION_MAX,
+};
+
+struct scene_statistic {
+	u64 awake;
+	u64 asleep;
+};
+
+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)(struct wlan_ptracker_core *core, 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 wlan_ptracker_core *core,
+	struct history_manager *hm, char *buf, int len);
+
+#endif  /* _WLAN_PTRACKER_DEBUGFS_H */