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#!/bin/sh
[ "$ACTION" = add ] || exit
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=$(grep -E -m 1 "${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/${irq}/smp_affinity
}
case "$(board_name)" in
friendlyarm,nanopi-r2c|\
friendlyarm,nanopi-r2c-plus|\
friendlyarm,nanopi-r2s|\
radxa,cm3-io|\
xunlong,orangepi-r1-plus|\
xunlong,orangepi-r1-plus-lts)
set_interface_core 2 "eth0"
set_interface_core 4 "eth1" "xhci-hcd:usb[0-9]+"
;;
friendlyarm,nanopi-r4s|\
friendlyarm,nanopi-r4s-enterprise)
set_interface_core 10 "eth0"
set_interface_core 20 "eth1"
;;
friendlyarm,nanopi-r5c)
set_interface_core 2 "eth0"
set_interface_core 4 "eth1"
;;
friendlyarm,nanopi-r5s)
set_interface_core 2 "eth0"
set_interface_core 4 "eth1"
set_interface_core 8 "eth2"
;;
esac
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