package/netifd/files/etc/hotplug.d/iface/10-sysctl

   1 # Skip fake devices (e.g. relayd)
   2 grep -qs "^ *$DEVICE:" /proc/net/dev || exit 0
   3
   4 case "$ACTION" in
   5         ifup)
   6                 include /lib/network
   7                 scan_interfaces
   8
   9                 # Setup sysctls
  10                 local proto accept_ra send_rs
  11
  12                 config_get proto "$INTERFACE" proto
  13                 if [ "$proto" = dhcp ]; then
  14                         accept_ra=1
  15                         send_rs=0
  16                 else
  17                         accept_ra=0
  18                         send_rs=1
  19                 fi
  20
  21                 config_get_bool accept_ra "$INTERFACE" accept_ra $accept_ra
  22                 [ $accept_ra -eq 0 ] || {
  23                         logger -t ifup "Allowing Router Advertisements on $INTERFACE ($DEVICE)"
  24                         accept_ra=2
  25                 }
  26                 do_sysctl "net.ipv6.conf.$DEVICE.accept_ra" $accept_ra
  27
  28                 config_get_bool send_rs "$INTERFACE" send_rs $send_rs
  29                 [ $send_rs -eq 0 ] || {
  30                         logger -t ifup "Enabling Router Solicitations on $INTERFACE ($DEVICE)"
  31                         send_rs=2
  32                 }
  33                 do_sysctl "net.ipv6.conf.$DEVICE.forwarding" $send_rs
  34         ;;
  35 esac
  36