linux/drivers/net/can/dev/bittiming.c

// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (C) 2005 Marc Kleine-Budde, Pengutronix
 * Copyright (C) 2006 Andrey Volkov, Varma Electronics
 * Copyright (C) 2008-2009 Wolfgang Grandegger <[email protected]>
 */

#include <linux/can/dev.h>

void can_sjw_set_default(struct can_bittiming *bt)
{ … }

int can_sjw_check(const struct net_device *dev, const struct can_bittiming *bt,
		  const struct can_bittiming_const *btc, struct netlink_ext_ack *extack)
{ … }

/* Checks the validity of the specified bit-timing parameters prop_seg,
 * phase_seg1, phase_seg2 and sjw and tries to determine the bitrate
 * prescaler value brp. You can find more information in the header
 * file linux/can/netlink.h.
 */
static int can_fixup_bittiming(const struct net_device *dev, struct can_bittiming *bt,
			       const struct can_bittiming_const *btc,
			       struct netlink_ext_ack *extack)
{ … }

/* Checks the validity of predefined bitrate settings */
static int
can_validate_bitrate(const struct net_device *dev, const struct can_bittiming *bt,
		     const u32 *bitrate_const,
		     const unsigned int bitrate_const_cnt,
		     struct netlink_ext_ack *extack)
{ … }

int can_get_bittiming(const struct net_device *dev, struct can_bittiming *bt,
		      const struct can_bittiming_const *btc,
		      const u32 *bitrate_const,
		      const unsigned int bitrate_const_cnt,
		      struct netlink_ext_ack *extack)
{ … }