package/network/config/xfrm/files/xfrm.sh

   1 #!/bin/sh
   2
   3 [ -n "$INCLUDE_ONLY" ] || {
   4         . /lib/functions.sh
   5         . /lib/functions/network.sh
   6         . ../netifd-proto.sh
   7         init_proto "$@"
   8 }
   9
  10 proto_xfrm_setup() {
  11         local cfg="$1"
  12         local mode="xfrm"
  13
  14         local tunlink ifid mtu zone
  15         json_get_vars tunlink ifid mtu zone
  16
  17         proto_init_update "$cfg" 1
  18
  19         proto_add_tunnel
  20         json_add_string mode "$mode"
  21         json_add_int mtu "${mtu:-1280}"
  22
  23         [ -z "$tunlink" ] && {
  24                 proto_notify_error "$cfg" NO_TUNLINK
  25                 proto_block_restart "$cfg"
  26                 exit
  27         }
  28         json_add_string link "$tunlink"
  29
  30         [ -z "$ifid" ] && {
  31                 proto_notify_error "$cfg" NO_IFID
  32                 proto_block_restart "$cfg"
  33                 exit
  34         }
  35         json_add_object 'data'
  36         [ -n "$ifid" ] && json_add_int ifid "$ifid"
  37         json_close_object
  38
  39         proto_close_tunnel
  40
  41         proto_add_data
  42         [ -n "$zone" ] && json_add_string zone "$zone"
  43         proto_close_data
  44
  45         proto_send_update "$cfg"
  46 }
  47
  48 proto_xfrm_teardown() {
  49         local cfg="$1"
  50 }
  51
  52 proto_xfrm_init_config() {
  53         no_device=1
  54         available=1
  55
  56         proto_config_add_int "mtu"
  57         proto_config_add_string "tunlink"
  58         proto_config_add_string "zone"
  59         proto_config_add_int "ifid"
  60 }
  61
  62
  63 [ -n "$INCLUDE_ONLY" ] || {
  64         [ -f /lib/modules/$(uname -r)/xfrm_interface.ko -o -d /sys/module/xfrm_interface ] && add_protocol xfrm
  65 }