target/linux/rockchip/armv8/base-files/etc/hotplug.d/net/40-net-smp-affinity

   1 #!/bin/sh
   2
   3 [ "$ACTION" = add ] || exit
   4
   5 get_device_irq() {
   6         local device="$1"
   7         local line
   8         local seconds="0"
   9
  10         # wait up to 10 seconds for the irq/device to appear
  11         while [ "${seconds}" -le 10 ]; do
  12                 line=$(grep -E -m 1 "${device}\$" /proc/interrupts) && break
  13                 seconds="$(( seconds + 2 ))"
  14                 sleep 2
  15         done
  16         echo ${line} | sed 's/:.*//'
  17 }
  18
  19 set_interface_core() {
  20         local core_mask="$1"
  21         local interface="$2"
  22         local device="$3"
  23
  24         [ -z "${device}" ] && device="$interface"
  25
  26         local irq=$(get_device_irq "$device")
  27
  28         echo "${core_mask}" > /proc/irq/${irq}/smp_affinity
  29 }
  30
  31 case "$(board_name)" in
  32 friendlyarm,nanopi-r2c|\
  33 friendlyarm,nanopi-r2c-plus|\
  34 friendlyarm,nanopi-r2s|\
  35 radxa,cm3-io|\
  36 xunlong,orangepi-r1-plus|\
  37 xunlong,orangepi-r1-plus-lts)
  38         set_interface_core 2 "eth0"
  39         set_interface_core 4 "eth1" "xhci-hcd:usb[0-9]+"
  40         ;;
  41 friendlyarm,nanopi-r4s|\
  42 friendlyarm,nanopi-r4s-enterprise)
  43         set_interface_core 10 "eth0"
  44         set_interface_core 20 "eth1"
  45         ;;
  46 friendlyarm,nanopi-r5c)
  47         set_interface_core 2 "eth0"
  48         set_interface_core 4 "eth1"
  49         ;;
  50 friendlyarm,nanopi-r5s)
  51         set_interface_core 2 "eth0"
  52         set_interface_core 4 "eth1"
  53         set_interface_core 8 "eth2"
  54         ;;
  55 esac
  56