NanoPi R6S net-smp-affinity for gigabit with layer cake SQM

net-smp-affinity

#!/bin/sh

get_device_irq() {
        local device="$1"
        local line
        local seconds="0"

        # wait up to 10 seconds for the irq/device to appear
        while [ "${seconds}" -le 10 ]; do
                line=$(grep -m 1 "${device}\$" /proc/interrupts) && break
                seconds="$(( seconds + 2 ))"
                sleep 2
        done
        echo ${line} | sed 's/:.*//'
}

set_interface_core() {
        local core_mask="$1"
        local interface="$2"
        local device="$3"

        [ -z "${device}" ] && device="$interface"

        local irq=$(get_device_irq "$device")

        echo "${core_mask}" > /proc/irq/${irq}/smp_affinity
}

set_interface_core 2 "eth0"
echo f0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
echo f0 > /sys/class/net/eth0/queues/rx-1/rps_cpus
set_interface_core 4 "eth1"
echo f0 > /sys/class/net/eth1/queues/rx-0/rps_cpus
set_interface_core 8 "eth2"
echo f0 > /sys/class/net/eth2/queues/rx-0/rps_cpus