OpenWrt – Rev 4

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#!/bin/sh

[ -n "$INCLUDE_ONLY" ] || {
        . /lib/functions.sh
        . /lib/functions/network.sh
        . ../netifd-proto.sh
        init_proto "$@"
}

vxlan_generic_setup() {
        local cfg="$1"
        local mode="$2"
        local local="$3"
        local remote="$4"

        local link="$cfg"

        local port vid ttl tos mtu macaddr zone rxcsum txcsum
        json_get_vars port vid ttl tos mtu macaddr zone rxcsum txcsum


        proto_init_update "$link" 1

        proto_add_tunnel
        json_add_string mode "$mode"

        [ -n "$tunlink" ] && json_add_string link "$tunlink"
        [ -n "$local" ] && json_add_string local "$local"
        [ -n "$remote" ] && json_add_string remote "$remote"

        [ -n "$ttl" ] && json_add_int ttl "$ttl"
        [ -n "$tos" ] && json_add_string tos "$tos"
        [ -n "$mtu" ] && json_add_int mtu "$mtu"

        json_add_object 'data'
        [ -n "$port" ] && json_add_int port "$port"
        [ -n "$vid" ] && json_add_int id "$vid"
        [ -n "$macaddr" ] && json_add_string macaddr "$macaddr"
        [ -n "$rxcsum" ] && json_add_boolean rxcsum "$rxcsum"
        [ -n "$txcsum" ] && json_add_boolean txcsum "$txcsum"
        json_close_object

        proto_close_tunnel

        proto_add_data
        [ -n "$zone" ] && json_add_string zone "$zone"
        proto_close_data

        proto_send_update "$cfg"
}

proto_vxlan_setup() {
        local cfg="$1"

        local ipaddr peeraddr
        json_get_vars ipaddr peeraddr tunlink

        [ -z "$peeraddr" ] && {
                proto_notify_error "$cfg" "MISSING_ADDRESS"
                proto_block_restart "$cfg"
                exit
        }

        ( proto_add_host_dependency "$cfg" '' "$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
        }

        vxlan_generic_setup "$cfg" 'vxlan' "$ipaddr" "$peeraddr"
}

proto_vxlan6_setup() {
        local cfg="$1"

        local ip6addr peer6addr
        json_get_vars ip6addr peer6addr tunlink

        [ -z "$peer6addr" ] && {
                proto_notify_error "$cfg" "MISSING_ADDRESS"
                proto_block_restart "$cfg"
                exit
        }

        ( proto_add_host_dependency "$cfg" '' "$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 "$wanif"; then
                        proto_notify_error "$cfg" "NO_WAN_LINK"
                        exit
                fi
        }

        vxlan_generic_setup "$cfg" 'vxlan6' "$ip6addr" "$peer6addr"
}

proto_vxlan_teardown() {
        local cfg="$1"
}

proto_vxlan6_teardown() {
        local cfg="$1"
}

vxlan_generic_init_config() {
        no_device=1
        available=1

        proto_config_add_string "tunlink"
        proto_config_add_string "zone"

        proto_config_add_int "vid"
        proto_config_add_int "port"
        proto_config_add_int "ttl"
        proto_config_add_int "tos"
        proto_config_add_int "mtu"
        proto_config_add_string "macaddr"
}

proto_vxlan_init_config() {
        vxlan_generic_init_config
        proto_config_add_string "ipaddr"
        proto_config_add_string "peeraddr"
}

proto_vxlan6_init_config() {
        vxlan_generic_init_config
        proto_config_add_string "ip6addr"
        proto_config_add_string "peer6addr"
}

[ -n "$INCLUDE_ONLY" ] || {
        add_protocol vxlan
        add_protocol vxlan6
}