can-stats.h

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/* SPDX-License-Identifier: BSD-2-Clause OR Apache-2.0 OR GPL-2.0-or-later */
 
/*
 * Copyright (C) 2023-2024 Michal Lenc <michallenc@seznam.cz>
 * Copyright (C) 2002-2009 DCE FEE CTU Prague
 * Copyright (C) 2002-2024 Pavel Pisa <pisa@cmp.felk.cvut.cz>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef _DEV_CAN_CAN_STATS_H
#define _DEV_CAN_CAN_STATS_H
 
enum can_state {
    CAN_STATE_ERROR_ACTIVE = 0,
    CAN_STATE_ERROR_WARNING,
    CAN_STATE_ERROR_PASSIVE,
    CAN_STATE_BUS_OFF,
    CAN_STATE_STOPPED,
    CAN_STATE_SLEEPING,
  CAN_STATE_STOPPING,
    CAN_STATE_MAX
};
 
struct rtems_can_stats {
  unsigned long tx_done;
  unsigned long rx_done;
  unsigned long tx_bytes;
  unsigned long rx_bytes;
  unsigned long tx_error;
  unsigned long rx_error;
  unsigned long rx_overflows;
  int chip_state;
};
 
static inline void rtems_can_stats_add_tx_done(
  struct rtems_can_stats *stats
)
{
  stats->tx_done += 1;
}
 
static inline void rtems_can_stats_add_rx_done(
  struct rtems_can_stats *stats
)
{
  stats->rx_done += 1;
}
 
static inline void rtems_can_stats_add_tx_bytes(
  struct rtems_can_stats *stats,
  uint16_t nbytes
)
{
  stats->tx_bytes += nbytes;
}
 
static inline void rtems_can_stats_add_rx_bytes(
  struct rtems_can_stats *stats,
  uint16_t nbytes
)
{
  stats->rx_bytes += nbytes;
}
 
static inline void rtems_can_stats_add_tx_error(
  struct rtems_can_stats *stats
)
{
  stats->tx_error += 1;
}
 
static inline void rtems_can_stats_add_rx_error(
  struct rtems_can_stats *stats
)
{
  stats->rx_error += 1;
}
 
static inline void rtems_can_stats_add_rx_overflows(
  struct rtems_can_stats *stats
)
{
  stats->rx_overflows += 1;
}
 
static inline void rtems_can_stats_set_state(
  struct rtems_can_stats *stats,
  enum can_state state
)
{
  stats->chip_state = state;
}
 
void rtems_can_stats_reset( struct rtems_can_stats *stats );
 
#endif /* _DEV_CAN_CAN_STATS_H */