58 lines
1.1 KiB
Bash
58 lines
1.1 KiB
Bash
#!/bin/sh
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[ "$ACTION" = add ] || exit
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get_device_irq() {
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local device="$1"
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local line
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local seconds="0"
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# wait up to 10 seconds for the irq/device to appear
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while [ "${seconds}" -le 10 ]; do
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line=$(grep -E -m 1 "${device}\$" /proc/interrupts) && break
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seconds="$(( seconds + 2 ))"
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sleep 2
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done
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echo ${line} | sed 's/:.*//'
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}
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set_interface_core() {
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local core_mask="$1"
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local interface="$2"
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local device="$3"
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[ -z "${device}" ] && device="$interface"
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local irq=$(get_device_irq "$device")
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echo "${core_mask}" > /proc/irq/${irq}/smp_affinity
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}
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case "$(board_name)" in
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friendlyarm,nanopi-r2c|\
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friendlyarm,nanopi-r2c-plus|\
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friendlyarm,nanopi-r2s|\
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radxa,cm3-io|\
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xunlong,orangepi-r1-plus|\
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xunlong,orangepi-r1-plus-lts)
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set_interface_core 2 "eth0"
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set_interface_core 4 "eth1" "xhci-hcd:usb[0-9]+"
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;;
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friendlyarm,nanopi-r4s|\
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friendlyarm,nanopi-r4s-enterprise)
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set_interface_core 10 "eth0"
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set_interface_core 20 "eth1"
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;;
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friendlyarm,nanopi-r5c|\
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radxa,e25)
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set_interface_core 2 "eth0"
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set_interface_core 4 "eth1"
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;;
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friendlyarm,nanopi-r5s)
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set_interface_core 2 "eth0"
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set_interface_core 4 "eth1"
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set_interface_core 8 "eth2"
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;;
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esac
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