echo Setting up CAN interfaces

ip link set can0 type can bitrate 1000000
ip link set up dev can0
ip link set can1 type can bitrate 1000000
ip link set up dev can1
ifconfig can1 txqueuelen 100

set -x

# ifconfig eth0 192.168.2.3
# (echo boa; echo boa) | passwd

if grep -q kernelgw /proc/cmdline; then
    cangw -A -s can0 -d can1
    echo "Kernel GW started"
    exit 0
fi

params=$(sed -ne 's/.* ugw=|\([^"]*\)|.*/\1/p' /proc/cmdline)

# mount -t debugfs none /sys/kernel/debug
# cd /sys/kernel/debug/tracing/
# echo 0 > tracing_on
# echo function_graph > current_tracer
# # echo mscan_start_xmit > set_graph_function
# cat > set_ftrace_notrace <<EOF
# can_receive __netdev_alloc_skb __kfree_skb kmem_cache_alloc sk_filter
# napi_gro_flush enqueue_task add_interrupt_randomness note_interrupt
# *_preempt_count msecs_to_jiffies
# EOF
# echo raw_recvmsg mscan_isr mscan_rx_poll mscan_low_latency_recv > set_graph_function
# echo > trace
# echo 60000 > buffer_size_kb
# echo 1 > tracing_on

ugw $params &