target/linux/bcm4908/base-files/etc/init.d/fastnetwork

   1 #!/bin/sh /etc/rc.common
   2
   3 START=25
   4 USE_PROCD=1
   5
   6 start_service() {
   7         reload_service
   8 }
   9
  10 service_triggers() {
  11         procd_add_reload_trigger "network"
  12         procd_add_reload_trigger "firewall"
  13         procd_add_reload_interface_trigger "lan"
  14 }
  15
  16 reload_service() {
  17         local packet_steering="$(uci -q get network.@globals[0].packet_steering)"
  18         local num_cpus="$(grep -c "^processor.*:" /proc/cpuinfo)"
  19         local flow_offloading="$(uci -q get firewall.@defaults[0].flow_offloading)"
  20         local flow_offloading_hw="$(uci -q get firewall.@defaults[0].flow_offloading_hw)"
  21         local rps_eth0=0
  22         local rps_br_lan=0
  23
  24         [ "$num_cpus" -le 1 ] && return
  25
  26         [ "$packet_steering" = 1 ] && {
  27                 if [ ${flow_offloading_hw:-0} -gt 0 ]; then
  28                         # HW offloading
  29                         # Not implemented
  30                         :
  31                 elif [ ${flow_offloading:-0} -gt 0 ]; then
  32                         # SW offloading
  33                         # BCM4908 always reaches ~940 Mb/s
  34                         :
  35                 else
  36                         # Default
  37                         case "$num_cpus" in
  38                                 2) rps_eth0=2; rps_br_lan=2;;
  39                                 4) rps_eth0=e; rps_br_lan=e;;
  40                         esac
  41                 fi
  42         }
  43
  44         echo $rps_eth0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
  45         echo $rps_br_lan > /sys/class/net/br-lan/queues/rx-0/rps_cpus
  46 }