forked from freifunk-franken/firmware
112 lines
2.4 KiB
Bash
112 lines
2.4 KiB
Bash
#!/bin/sh
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configure() {
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local proto
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local peerip
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local otherpeers
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local fields="
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proto
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port
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vid
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ttl
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tos
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mtu
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macaddr
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zone
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rxcsum
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txcsum
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srcportmin
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srcportmax
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ageing
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maxaddress
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learning
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rsc
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proxy
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l2miss
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l3miss
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gbp
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tunlink
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ipaddr
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ip6addr
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"
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# cleanup old vxmesh and peer entries
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uci -q delete network.vxmesh0
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while uci -q delete network.@vxlan_peer[-1]; do :; done
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# remove vxmesh0 entry from the client bridge and remove extra whitespaces
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uci set network.client.ifname="$(uci -q get network.client.ifname | sed s/vxmesh0// | xargs)"
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# reset dns to authorative
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uci set dhcp.@dnsmasq[0].authoritative="1"
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# check if a vxmesh config is available, otherwise quit
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uci -q get gateway.@vxmesh[0] > /dev/null || return 0
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# check if proto is set and probe for the correct peer ip
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proto="$(uci -q get gateway.@vxmesh[0].proto)"
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case "$proto" in
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vxlan6)
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peerip="$(uci -q get gateway.@gateway[0].peer_ip6)"
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;;
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vxlan)
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peerip="$(uci -q get gateway.@gateway[0].peer_ip)"
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;;
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*)
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echo "FATAL: vxmesh: option proto 'vxlan|vxlan6' required!"
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return 1
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;;
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esac
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# vxmesh needs a separate peer ip as the ip on the client interface ip
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# might be shared over multiple devices
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[ -z "$peerip" ] && {
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echo "FATAL: vxmesh: peer_ip|peer_ip6 required!"
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return 1
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}
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uci -q get gateway.@vxmesh[0].vid > /dev/null || {
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echo "FATAL: vxmesh: missing vid!"
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return 1
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}
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# copy main options over
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uci set network.vxmesh0="interface"
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for option in $fields; do
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uci set network.vxmesh0."$option"="$(uci -q get gateway.@vxmesh[0]."$option")"
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done
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# exclude peerip from the local router, so packets aren't sent to itself
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otherpeers=$(uci -q get gateway.@vxmesh[0].peer | xargs -n1 | grep -v -e "$peerip")
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for peer in $otherpeers; do
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# create peer sections
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if ! uci -q batch > /dev/null; then
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echo "FATAL: vxmesh: error setting up peer!"
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echo " peer: \"$peer\""
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return 1
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fi <<- EOF
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add network vxlan_peer
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set network.@vxlan_peer[-1].vxlan="vxmesh0"
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set network.@vxlan_peer[-1].dst="$peer"
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EOF
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done
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# with multiple routers in the network, there shouldn't be an authoritative
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# dhcp server
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uci set dhcp.@dnsmasq[0].authoritative="0"
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# add the vxlan interface to the client bridge
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uci set network.client.ifname="$(uci -q get network.client.ifname) vxmesh0"
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}
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apply() {
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uci commit network
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uci commit dhcp
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}
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revert() {
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uci revert network
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uci revert dhcp
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}
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