Openwrt/package/network/config/vti/files/vti.sh
Alin Nastac 65ca980b48 vti: use alternative way to check if kernel support is enabled
When necessary support is built in kernel, vti protocol support is
not enabled in netifd.

Signed-off-by: Alin Nastac <alin.nastac@technicolor.com>
2021-03-13 20:59:11 +01:00

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#!/bin/sh
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
. /lib/functions/network.sh
. ../netifd-proto.sh
init_proto "$@"
}
vti_generic_setup() {
local cfg="$1"
local mode="$2"
local local="$3"
local remote="$4"
local link="$5"
local mtu zone ikey
json_get_vars mtu zone ikey okey
proto_init_update "$link" 1
proto_add_tunnel
json_add_string mode "$mode"
json_add_int mtu "${mtu:-1280}"
json_add_string local "$local"
json_add_string remote "$remote"
[ -n "$tunlink" ] && json_add_string link "$tunlink"
json_add_object 'data'
[ -n "$ikey" ] && json_add_int ikey "$ikey"
[ -n "$okey" ] && json_add_int okey "$okey"
json_close_object
proto_close_tunnel
proto_add_data
[ -n "$zone" ] && json_add_string zone "$zone"
proto_close_data
proto_send_update "$cfg"
}
vti_setup() {
local cfg="$1"
local mode="$2"
local ipaddr peeraddr
json_get_vars df ipaddr peeraddr tunlink
[ -z "$peeraddr" ] && {
proto_notify_error "$cfg" "MISSING_ADDRESS"
proto_block_restart "$cfg"
exit
}
( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
[ -z "$ipaddr" ] && {
local wanif="$tunlink"
if [ -z $wanif ] && ! network_find_wan wanif; then
proto_notify_error "$cfg" "NO_WAN_LINK"
exit
fi
if ! network_get_ipaddr ipaddr "$wanif"; then
proto_notify_error "$cfg" "NO_WAN_LINK"
exit
fi
}
vti_generic_setup $cfg $mode $ipaddr $peeraddr "vti-$cfg"
}
proto_vti_setup() {
local cfg="$1"
vti_setup $cfg "vtiip"
}
vti6_setup() {
local cfg="$1"
local mode="$2"
local ip6addr peer6addr weakif
json_get_vars ip6addr peer6addr tunlink weakif
[ -z "$peer6addr" ] && {
proto_notify_error "$cfg" "MISSING_ADDRESS"
proto_block_restart "$cfg"
exit
}
( proto_add_host_dependency "$cfg" "$peer6addr" "$tunlink" )
[ -z "$ip6addr" ] && {
local wanif="$tunlink"
if [ -z $wanif ] && ! network_find_wan6 wanif; then
proto_notify_error "$cfg" "NO_WAN_LINK"
exit
fi
if ! network_get_ipaddr6 ip6addr "$wanif"; then
[ -z "$weakif" ] && weakif="lan"
if ! network_get_ipaddr6 ip6addr "$weakif"; then
proto_notify_error "$cfg" "NO_WAN_LINK"
exit
fi
fi
}
vti_generic_setup $cfg $mode $ip6addr $peer6addr "vti6-$cfg"
}
proto_vti6_setup() {
local cfg="$1"
vti6_setup $cfg "vtiip6"
}
proto_vti_teardown() {
local cfg="$1"
}
proto_vti6_teardown() {
local cfg="$1"
}
vti_generic_init_config() {
no_device=1
available=1
proto_config_add_int "mtu"
proto_config_add_string "tunlink"
proto_config_add_string "zone"
proto_config_add_int "ikey"
proto_config_add_int "okey"
}
proto_vti_init_config() {
vti_generic_init_config
proto_config_add_string "ipaddr"
proto_config_add_string "peeraddr"
}
proto_vti6_init_config() {
vti_generic_init_config
proto_config_add_string "ip6addr"
proto_config_add_string "peer6addr"
proto_config_add_string "weakif"
}
[ -n "$INCLUDE_ONLY" ] || {
[ -d /sys/module/ip_vti ] && add_protocol vti
[ -d /sys/module/ip6_vti ] && add_protocol vti6
}