#!/bin/sh [ "$ACTION" = add ] || exit get_device_irq() { local device="$1" local line=$(grep -m 1 "${device}\$" /proc/interrupts) echo $(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/${irq}/smp_affinity } case "$(board_name)" in friendlyarm,nanopi-r2s) set_interface_core 2 "eth0" set_interface_core 4 "eth1" "xhci-hcd:usb3" ;; esac