#!/bin/sh

#For non offload - sh hsr_setup.sh hsr_sw <INTF_A> <INTF_B> <HSR_INTF_IP_ADDR>
#For offload - sh hsr_setup.sh hsr_hw <INTF_A> <INTF_B> <HSR_INTF_IP_ADDR>

if [ "$#" != "4" ]
then
        echo "$0 <hsr_sw/hsr_hw> <intf1> <intf2> <ip addr>"
        exit
fi

if [ "$1" != "hsr_sw" ] && [ "$1" != "hsr_hw" ]
then
        echo "$0 <hsr_sw|hsr_hw>"
        exit
fi

if=hsr0

ifa=$2
ifb=$3

ip=$4
mac=`ifconfig $ifa | grep ether | cut -d " " -f 10`
# Hardcode the device name
device="platform/icssg1-eth"
#device+=`dmesg | grep $ifa | grep icssg-prueth | grep -m 1 "Link is Up" | awk '{print $4}'`

echo "ip=$ip"
echo "if=$if"
echo "mac=$mac"
echo "slave-a=$ifa"
echo "slave-b=$ifb"
echo "device=$device"

ip link delete hsr0  2> /dev/null

ip link set $ifa down
ip link set $ifb down
sleep 1

if [ "$1" == "hsr_hw" ]
then
        ethtool -k "$ifa" | grep hsr
        ethtool -K "$ifa" hsr-fwd-offload on
        ethtool -K "$ifa" hsr-dup-offload on
        ethtool -K "$ifa" hsr-tag-ins-offload on
        ethtool -K "$ifa" hsr-tag-rm-offload on
        ethtool -k "$ifa" | grep hsr

        ethtool -k "$ifb" | grep hsr
        ethtool -K "$ifb" hsr-fwd-offload on
        ethtool -K "$ifb" hsr-dup-offload on
        ethtool -K "$ifb" hsr-tag-ins-offload on
        ethtool -K "$ifb" hsr-tag-rm-offload on
        ethtool -k "$ifb" | grep hsr

        devlink dev param set "$device" name hsr_offload_mode value true cmode runtime

        sleep 3 

        # Enable Cut-Through : 
        devlink dev param set "$device" name cut_thru value 65535 cmode runtime
fi

ip link set dev $ifa address $mac
ip link set dev $ifb address $mac

ip link set $ifa up
sleep 1

ip link set $ifb up
sleep 1

ip link add name $if type hsr slave1 $ifa slave2 $ifb supervision 45 version 1

sleep 3

ip addr add $ip/24 dev $if
ip link set $if up