#!/bin/bash

SYS_DEV_PATH=$1
IRQ_NUM=$2

MASK=$( printf "%X" $((1<<`lscpu -e=CPU | tail -1`)) )
NIC=`awk 'BEGIN{nic="enp4s0"} {if ($1=="iface") {tmpnic = $2} if ($1=="address") {if ($2 == 10.10.10.10) {nic = tmpnic}}} END{print(nic)}' /etc/network/interfaces`

if [ "$NIC" != "" ]; then
    grep $NIC /proc/interrupts | cut -d ":" -f 1 | while read -r i; do
    if [ $i -eq $IRQ_NUM ]; then
        echo "ban=true"
        echo $MASK > /proc/irq/$IRQ_NUM/smp_affinity
    fi
    done
fi

exit 0