/**
 * @ingroup can
 * @defgroup can_stat CAN stack statistics
 * @brief Statistics
 * @date Jan 14, 2016
 * @author jjacobs
 * @copyright 2016 Dual Inventive Technology Centre B.V.
 *
 * CAN stack statistics
 * @{
 */
#ifndef LIBDI_INCLUDE_DI_CAN_STAT_H_
#define LIBDI_INCLUDE_DI_CAN_STAT_H_

#if defined(DI_CAN_CFG_DBG_STAT) || defined(__DOXYGEN__)
#define di_can_stat_lowlevel_rx(ctx, bytes) (ctx)->stat.lowlevel.rx += bytes /**< Increment receive bytes count */
#define di_can_stat_lowlevel_tx(ctx, bytes) (ctx)->stat.lowlevel.tx += bytes /**< Increment transmit bytes count */
#define di_can_stat_frame_rx(ctx)           (ctx)->stat.frame.rx++   /**< Increment receive frame count */
#define di_can_stat_frame_tx(ctx)           (ctx)->stat.frame.tx++   /**< Increment transmit frame count */
#define di_can_stat_msg_rx(ctx)             (ctx)->stat.msg.rx++     /**< Increment receive msg count */
#define di_can_stat_msg_tx(ctx)             (ctx)->stat.msg.tx++     /**< Increment transmit msg count */
#define di_can_stat_gc_runs(ctx)            (ctx)->stat.gc.runs++    /**< Garbage collection run count */
#define di_can_stat_frame_drop(ctx)         (ctx)->stat.frame.drop++ /**< di_can_frame_rx drop count */
#define di_can_stat_msg_drop(ctx)           (ctx)->stat.msg.drop++   /**< di_can_msg drop count */
#else
#define di_can_stat_lowlevel_rx(ctx, bytes)
#define di_can_stat_lowlevel_tx(ctx, bytes)
#define di_can_stat_frame_rx(ctx)
#define di_can_stat_frame_tx(ctx)
#define di_can_stat_msg_rx(ctx)
#define di_can_stat_msg_tx(ctx)
#define di_can_stat_gc_runs(ctx)
#define di_can_stat_frame_drop(ctx)
#define di_can_stat_msg_drop(ctx)
#endif

struct di_can_stat {
	struct {
		uint32_t rx; /**< Received bytes */
		uint32_t tx; /**< Transmitted bytes */
	} lowlevel;
	struct {
		uint32_t rx; /**< Received frames */
		uint32_t tx; /**< Transmitted frames */
		uint32_t drop; /**< RX frames dropped by GC */
	} frame;
	struct {
		uint32_t rx; /**< Received messages */
		uint32_t tx; /**< Transmitted messages */
		uint32_t drop; /**< RX Messages dropped due to invalid crc */
	} msg;
	struct {
		uint32_t runs;  /**< Garbage collect runs */
		uint32_t ready; /**< Ready messages collected */
		uint32_t dirty; /**< Dirty messages collected */
	} gc;
};

/** @} */

#endif /* LIBDI_INCLUDE_DI_CAN_STAT_H_ */