calculate_switch_vlans() {
local switch="$1"
- local ports port attr val
- local prev_role
- local num device role index
- local n_cpu=0 cpu0 cpu1 cpu2 cpu3
- local dev0 dev1 dev2 dev3 role0 role1 role2 role3
- local n_vlan=0 vlan_off=-1
+ local ports port attr val prev_role
+ local num device role index need_tag
+ local cpu0 cpu1 cpu2 cpu3
+ local dev0 dev1 dev2 dev3
+ local tag0 tag1 tag2 tag3
+ local role0 role1 role2 role3
+ local n_cpu=0 n_vlan=0 vlan_off=-1
local vlan_ports cpu_port
json_get_keys ports ports
# gather all cpu ports and count vlans
for port in $ports; do
json_select "$port"
- json_get_vars num device role
+ json_get_vars num device role need_tag
if json_is_a attr object; then
json_get_keys attr attr
if [ -n "$num" ] && [ -n "$device" ]; then
export "cpu$n_cpu=$num"
export "dev$n_cpu=$device"
+ export "tag$n_cpu=${need_tag:-0}"
n_cpu=$((n_cpu + 1))
elif [ -n "$num" ] && [ -n "$role" ] && [ "$role" != "$prev_role" ]; then
export "role$n_vlan=$role"