#!/bin/sh
#
# /etc/rc.d/blan: start/stop virtual network interfaces
#

DEV="br0"
PHY="enp8s0"

ADDR=10.0.0.254
#ADDR=10.0.1.254
MASK=8
#GW=10.0.0.1
GW=192.168.1.254

# one tap for each cpu core
NTAPS=$((`/usr/bin/nproc`))

case $1 in
    start)
        /sbin/ip link add name ${DEV} type bridge
        /sbin/ip addr add ${ADDR}/${MASK} dev ${DEV} broadcast +
        /sbin/ip link set dev ${DEV} up
        /bin/sleep 0.2s

        # Add network to virtual bridge
        /sbin/ip link set dev ${PHY} down
        /bin/sleep 0.1s
        /sbin/ip route flush dev ${PHY}
        /sbin/ip addr flush dev ${PHY}
        /sbin/ip link set dev ${PHY} up
        /bin/sleep 0.2s

        /sbin/ip link set dev ${PHY} master ${DEV}
        /sbin/ip route add default via ${GW}

        for i in `/usr/bin/seq $NTAPS`
        do
            TAP="tap$i"
            echo "Setting up ${TAP} tap interface."
            /sbin/ip tuntap add ${TAP} mode tap group kvm
            /sbin/ip link set ${TAP} up
            /bin/sleep 0.2s
            /sbin/ip link set ${TAP} master ${DEV}
        done

        exit 0
        ;;
    stop)

        for i in `/usr/bin/seq $NTAPS`
        do
            TAP="tap$i"
            echo "Deleting ${TAP} tap interface."
            /sbin/ip link del ${TAP}
        done

        /sbin/ip link set dev ${DEV} down
        /sbin/ip route flush dev ${DEV}
        /sbin/ip link del ${DEV}
        exit 0
        ;;
    restart)
        $0 stop
        $0 start
        ;;
    *)
        echo "Usage: $0 [start|stop|restart]"
        ;;
esac

# End of file