297 lines
6.0 KiB
Bash
Executable File
297 lines
6.0 KiB
Bash
Executable File
#!/bin/sh
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CFG=/etc/board.json
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. /usr/share/libubox/jshn.sh
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[ -f $CFG ] || exit 1
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generate_static_network() {
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uci -q batch <<EOF
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delete network.loopback
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set network.loopback='interface'
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set network.loopback.ifname='lo'
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set network.loopback.proto='static'
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set network.loopback.ipaddr='127.0.0.1'
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set network.loopback.netmask='255.0.0.0'
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delete network.globals
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set network.globals='globals'
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set network.globals.ula_prefix='auto'
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EOF
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}
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next_vlan=3
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generate_network() {
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local vlan
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json_select network
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json_select $1
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json_get_vars ifname create_vlan macaddr
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json_select ..
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json_select ..
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[ -n "$ifname" ] || return
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[ "${create_vlan:-0}" -eq 1 ] && case $1 in
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lan) vlan=1;;
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wan) vlan=2;;
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*)
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vlan=$next_vlan
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next_vlan=$((next_vlan + 1))
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;;
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esac
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[ -n "$vlan" ] && ifname=${ifname}.${vlan}
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uci -q batch <<EOF
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delete network.$1
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set network.$1='interface'
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set network.$1.ifname='$ifname'
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set network.$1.force_link=1
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set network.$1.proto='none'
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set network.$1.macaddr='$macaddr'
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EOF
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case $1 in
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lan) uci -q batch <<EOF
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set network.$1.type='bridge'
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set network.$1.proto='static'
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set network.$1.ipaddr='192.168.1.1'
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set network.$1.netmask='255.255.255.0'
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set network.$1.ip6assign='60'
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EOF
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;;
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wan) uci -q batch <<EOF
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set network.$1.proto='dhcp'
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delete network.wan6
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set network.wan6='interface'
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set network.wan6.ifname='$ifname'
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set network.wan6.proto='dhcpv6'
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EOF
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;;
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esac
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}
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generate_switch_vlan() {
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local device=$1
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local vlan=$2
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local cpu_port=$3
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case $vlan in
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lan) vlan=1;;
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wan) vlan=2;;
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*) vlan=${vlan##vlan};;
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esac
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json_select vlans
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json_select $2
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json_get_values ports
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json_select ..
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json_select ..
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uci -q batch <<EOF
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add network switch_vlan
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set network.@switch_vlan[-1].device='$device'
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set network.@switch_vlan[-1].vlan='$vlan'
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set network.@switch_vlan[-1].ports='$ports ${cpu_port}t'
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EOF
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}
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calculate_switch_vlans() {
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local switch=$1
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local ports port
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local prev_role
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local num device role index
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local n_cpu=0 cpu0 cpu1 cpu2 cpu3
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local dev0 dev1 dev2 dev3 role0 role1 role2 role3
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local n_vlan=0 vlan_off=-1
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local vlan_ports cpu_port
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json_get_keys ports ports
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json_select ports
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# gather all cpu ports and count vlans
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for port in $ports; do
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json_select "$port"
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json_get_vars num device role
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if [ -n "$num" ] && [ -n "$device" ]; then
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export "cpu$n_cpu=$num"
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export "dev$n_cpu=$device"
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n_cpu=$((n_cpu + 1))
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elif [ -n "$num" ] && [ -n "$role" ] && [ "$role" != "$prev_role" ]; then
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export "role$n_vlan=$role"
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n_vlan=$((n_vlan + 1))
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prev_role="$role"
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fi
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json_select ..
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done
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unset prev_role
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# autogenerate vlans
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for port in $ports ""; do
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json_select "$port"
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if [ -n "$port" ]; then
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json_get_vars num device role
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else
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num="-"; role="-"
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fi
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if [ -n "$num" ] && [ -n "$role" ]; then
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if [ "$role" != "$prev_role" ]; then
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if [ -n "$vlan_ports" ]; then
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let cpu_port="cpu$((vlan_off % n_cpu))"
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[ $n_vlan -gt $n_cpu ] && cpu_port="${cpu_port}t"
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uci -q batch <<-EOF
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add network switch_vlan
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set network.@switch_vlan[-1].device='$switch'
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set network.@switch_vlan[-1].vlan='$((vlan_off + 1))'
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set network.@switch_vlan[-1].ports='$vlan_ports $cpu_port'
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EOF
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fi
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vlan_off=$((vlan_off + 1))
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vlan_ports="$num"
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prev_role="$role"
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else
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vlan_ports="$vlan_ports $num"
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fi
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fi
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json_select ..
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done
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json_select ..
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# autogenerate interfaces
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vlan_off=0; while [ $vlan_off -lt $n_vlan ]; do
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eval role="\$role$((vlan_off))"
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eval device="\$dev$((vlan_off++ % n_cpu))"
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[ $n_vlan -gt $n_cpu ] && device="$device.$vlan_off"
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# quirk: append ifnames for subsequent switches
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case "$switch" in switch[1-9])
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local prev_devs="$(uci -q get "network.$role.ifname")"
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if echo "$prev_devs" | grep -wq "$device"; then
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device="$prev_devs"
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else
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device="$prev_devs $device"
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fi
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;; esac
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uci -q batch <<-EOF
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delete network.$role
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set network.$role='interface'
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set network.$role.ifname='$device'
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EOF
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case $role in
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lan) uci -q batch <<-EOF
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set network.lan.type='bridge'
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set network.lan.proto='static'
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set network.lan.ipaddr='192.168.1.1'
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set network.lan.netmask='255.255.255.0'
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set network.lan.ip6assign='60'
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EOF
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;;
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wan) uci -q batch <<-EOF
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set network.wan.proto='dhcp'
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delete network.wan6
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set network.wan6='interface'
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set network.wan6.ifname='$device'
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set network.wan6.proto='dhcpv6'
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EOF
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;;
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*) uci -q batch <<-EOF
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set network.$role.force_link='1'
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set network.$role.proto='none'
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EOF
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;;
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esac
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done
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}
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generate_switch() {
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local key=$1
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local vlans
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json_select switch
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json_select $key
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json_get_vars enable reset blinkrate cpu_port
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uci -q batch <<EOF
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add network switch
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set network.@switch[-1].name='$key'
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set network.@switch[-1].reset='$reset'
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set network.@switch[-1].enable_vlan='$enable'
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set network.@switch[-1].blinkrate='$blinkrate'
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EOF
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if [ -n "$cpu_port" ]; then
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json_get_keys vlans vlans
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for vlan in $vlans; do generate_switch_vlan $1 $vlan $cpu_port; done
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elif json_is_a ports array; then
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calculate_switch_vlans $1
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fi
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json_select ..
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json_select ..
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}
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generate_led() {
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local key=$1
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local cfg="led_$key"
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json_select led
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json_select $key
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json_get_vars name sysfs type trigger device interface default port_mask
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json_select ..
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json_select ..
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uci -q batch <<EOF
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delete system.$cfg
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set system.$cfg='led'
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set system.$cfg.name='$name'
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set system.$cfg.sysfs='$sysfs'
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set system.$cfg.dev='$device'
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set system.$cfg.trigger='$trigger'
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set system.$cfg.port_mask='$port_mask'
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set system.$cfg.default='$default'
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EOF
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case $type in
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netdev)
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uci -q batch <<EOF
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set system.$cfg.trigger='netdev'
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set system.$cfg.mode='link tx rx'
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EOF
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;;
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usb)
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uci -q batch <<EOF
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set system.$cfg.trigger='usbdev'
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set system.$cfg.interval='50'
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EOF
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;;
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esac
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}
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json_init
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json_load "$(cat ${CFG})"
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generate_static_network
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json_get_keys keys network
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for key in $keys; do generate_network $key; done
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json_get_keys keys switch
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for key in $keys; do generate_switch $key; done
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json_get_keys keys led
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for key in $keys; do generate_led $key; done
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uci commit
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