can-utils/mcp251xfd/mcp251xfd-gen-testdata.sh

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Copyright (c) 2023 Pengutronix,
# Marc Kleine-Budde <kernel@pengutronix.de>
set -x
set -e
DEV=${1:-can0}
SPI=${2:-$(ethtool -i ${DEV}|sed -ne "s/bus-info: //p")}
modprobe -r mcp251xfd
modprobe mcp251xfd
sleep 2
ip link set ${DEV} down
sleep 2
rm -vf /var/log/devcoredump-*.dump
ip link set ${DEV} up type can bitrate 1000000 dbitrate 4000000 fd on restart-ms 1000 berr-reporting off listen-only off loopback on
ethtool -g ${DEV} || true
ethtool -c ${DEV} || true
cangen ${DEV} -Di -L8 -I2 -p 10 -g 200 -n 3
cat /sys/kernel/debug/regmap/${SPI}-crc/registers > data/registers-canfd.dump
ip link set ${DEV} down
sleep 2
cp -av /var/log/devcoredump-*.dump data
ip link set ${DEV} up type can bitrate 1000000 fd off restart-ms 1000 berr-reporting off listen-only off loopback on
rm -vf /var/log/devcoredump-*.dump
ethtool -g ${DEV} || true
ethtool -c ${DEV} || true
cangen ${DEV} -Di -L8 -I2 -p 10 -g 200 -n 7
cat /sys/kernel/debug/regmap/${SPI}-crc/registers > data/registers-classic-can.dump
ip link set ${DEV} down
sleep 2
cp -av /var/log/devcoredump-*.dump data