qcacmn: Record station connect/disconnect event

Add connect/disconnect log ring buffer to existing ROAM
debug functionality to record OS IF layer event.

Change-Id: Ifcbcd9a38ead27d60757983a0f56a37ae5d8af81
CRs-Fixed: 2852405

utils/logging/inc/wlan_roam_debug.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013-2019, 2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -21,47 +21,24 @@
 #ifndef _WLAN_ROAM_DEBUG_H_
 #define _WLAN_ROAM_DEBUG_H_
 
-
 #define roam_debug(args ...) \
-		QDF_TRACE_DEBUG(QDF_MODULE_ID_ROAM_DEBUG, ## args)
+		QDF_TRACE_DEBUG_NO_FL(QDF_MODULE_ID_ROAM_DEBUG, ## args)
+#define roam_info(args ...) \
+		QDF_TRACE_INFO_NO_FL(QDF_MODULE_ID_ROAM_DEBUG, ## args)
 
-/**
- * struct wlan_roam_debug_rec - roam debug information record definition
- * @time: timestamp when record was added
- * @operation: identifier for operation, command, event, etc.
- * @vdev_id: vdev identifier
- * @peer_id: peer_id. Range 0 - 255, 0xffff is invalid peer_id.
- * @mac_addr: mac address of peer
- * @peer_obj: pointer to peer object
- * @arg1: Optional argument #1
- * @arg2: Opttional argument #2
- */
-struct wlan_roam_debug_rec {
-	uint64_t time;
-	uint8_t operation;
-	uint8_t vdev_id;
-	uint16_t peer_id;
-	struct qdf_mac_addr mac_addr;
-	void *peer_obj;
-	uint32_t arg1;
-	uint32_t arg2;
-};
+#define wlan_rec_conn_info(vdev_id, op, mac_addr, arg1, arg2) \
+	wlan_rec_debug_log(REC_CONN, vdev_id, op, 0, mac_addr, 0, arg1,\
+			   arg2)
 
 #ifndef WLAN_ROAM_DEBUG_MAX_REC
-#define WLAN_ROAM_DEBUG_MAX_REC 256
+#define WLAN_ROAM_DEBUG_MAX_REC 128
 #endif
 
-/**
- * struct wlan_roam_debug_info - Buffer to store the wma debug records
- * @index: index of the most recent entry in the circular buffer
- * @num_max_rec: maximum records stored in the records array
- * @rec: array to store wma debug records, used in circular fashion
- */
-struct wlan_roam_debug_info {
-	qdf_atomic_t index;
-	uint32_t num_max_rec;
-	struct wlan_roam_debug_rec rec[WLAN_ROAM_DEBUG_MAX_REC];
-};
+typedef enum {
+	REC_ROAM,
+	REC_CONN,
+	REC_MAX,
+} wlan_rec_type;
 
 /**
  * @DEBUG_PEER_CREATE_SEND: sent peer_create command to firmware
@@ -78,8 +55,16 @@ struct wlan_roam_debug_info {
  * @DEBUG_ROAM_EVENT: received roam event
  * @DEBUG_BUS_SUSPEND: host going into suspend mode
  * @DEBUG_BUS_RESUME: host operation resumed
+ * @DEBUG_CONN_CONNECTING: trace connecting to bssid
+ * @DEBUG_CONN_ASSOCIATION: trace association completion
+ * @DEBUG_CONN_CONNECT_RESULT: trace connect result to os
+ * @DEBUG_CONN_ROAMING: trace station roaming propagtion
+ * @DEBUG_CONN_ROAMED: trace roamed to bssid
+ * @DEBUG_CONN_ROAMED_IND: trace roam indication
+ * @DEBUG_CONN_DISCONNECT: trace station disconnect
+ * @DEBUG_CONN_DISCONNECT_HANDLER: trace disconnect handler
+ * @DEBUG_CONN_DISCONNECT_IND: trace disconnect indication
  */
-
 enum peer_debug_op {
 	DEBUG_PEER_CREATE_SEND = 0,
 	DEBUG_PEER_CREATE_RESP,
@@ -97,6 +82,52 @@ enum peer_debug_op {
 	DEBUG_BUS_SUSPEND,
 	DEBUG_BUS_RESUME,
 	DEBUG_WOW_REASON,
+	DEBUG_CONN_CONNECTING,
+	DEBUG_CONN_ASSOCIATION,
+	DEBUG_CONN_CONNECT_RESULT,
+	DEBUG_CONN_ROAMING,
+	DEBUG_CONN_ROAMED,
+	DEBUG_CONN_ROAMED_IND,
+	DEBUG_CONN_DISCONNECT,
+	DEBUG_CONN_DISCONNECT_HANDLER,
+	DEBUG_CONN_DISCONNECT_IND,
+};
+
+/**
+ * struct wlan_roam_debug_rec - roam debug information record definition
+ * @time: timestamp when record was added
+ * @operation: identifier for operation, command, event, etc.
+ * @vdev_id: vdev identifier
+ * @peer_id: peer_id. Range 0 - 255, 0xffff is invalid peer_id.
+ * @mac_addr: mac address of peer
+ * @peer_obj: pointer to peer object
+ * @arg1: Optional argument #1
+ * @arg2: Opttional argument #2
+ */
+struct wlan_roam_debug_rec {
+	uint64_t time;
+	enum peer_debug_op operation;
+	uint8_t vdev_id;
+	uint16_t peer_id;
+	struct qdf_mac_addr mac_addr;
+	void *peer_obj;
+	uint32_t arg1;
+	uint32_t arg2;
+};
+
+/**
+ * struct wlan_roam_debug_info - Buffer to store the wma debug records
+ * @index: index of the most recent entry in the circular buffer
+ * @num_max_rec: maximum records stored in the records array
+ * @rec: array to store wma debug records, used in circular fashion
+ */
+struct wlan_roam_debug_info {
+	qdf_atomic_t index;
+	uint32_t num_max_rec;
+	void (*rec_print)(struct wlan_roam_debug_rec *dbg_rec,
+			  uint32_t idx, uint32_t delta,
+			  bool to_kernel);
+	struct wlan_roam_debug_rec rec[WLAN_ROAM_DEBUG_MAX_REC];
 };
 
 #define DEBUG_INVALID_PEER_ID 0xffff
@@ -118,6 +149,22 @@ enum peer_debug_op {
 void wlan_roam_debug_log(uint8_t vdev_id, uint8_t op,
 			uint16_t peer_id, void *mac_addr,
 			void *peer_obj, uint32_t arg1, uint32_t arg2);
+/**
+ * wlan_rec_debug_log() - Add a debug log entry to wlan debug records
+ * @rec_type: record type
+ * @vdev_id: vdev identifier
+ * @op: operation identifier
+ * @peer_id: peer id
+ * @mac_addr: mac address of peer, can be NULL
+ * @peer_obj: peer object address, can be NULL
+ * @arg1: extra argument #1
+ * @arg2: extra argument #2
+ *
+ * Return: none
+ */
+void wlan_rec_debug_log(wlan_rec_type rec_type, uint8_t vdev_id, uint8_t op,
+			uint16_t peer_id, const void *mac_addr,
+			void *peer_obj, uint32_t arg1, uint32_t arg2);
 
 /**
  * wlan_roam_debug_dump_table() - Print the roam debug log records
@@ -127,6 +174,19 @@ void wlan_roam_debug_log(uint8_t vdev_id, uint8_t op,
  */
 void wlan_roam_debug_dump_table(void);
 
+/**
+ * wlan_rec_debug_dump_table() - Print the wlan roam debug log records
+ * @rec_type: recorad type
+ * @count: count of records to print
+ * @to_kernel: print to kernel or not
+ *
+ * print all the valid debug records in the order of timestamp
+ *
+ * Return: none
+ */
+void wlan_rec_debug_dump_table(wlan_rec_type rec_type, uint32_t count,
+			       bool to_kernel);
+
 #ifdef WLAN_LOGGING_BUFFERS_DYNAMICALLY
 /**
  * wlan_roam_debug_init() - Allocate log buffer dynamically
@@ -158,10 +218,23 @@ wlan_roam_debug_log(uint8_t vdev_id, uint8_t op,
 {
 }
 
+static inline void wlan_rec_debug_log(
+			wlan_rec_type rec_type, uint8_t vdev_id, uint8_t op,
+			uint16_t peer_id, const void *mac_addr,
+			void *peer_obj, uint32_t arg1, uint32_t arg2)
+{
+}
+
 static inline void wlan_roam_debug_dump_table(void)
 {
 }
 
+static inline void wlan_rec_debug_dump_table(wlan_rec_type rec_type,
+					     uint32_t count,
+					     bool to_kernel)
+{
+}
+
 static inline void wlan_roam_debug_init(void)
 {
 }