:input;type filter hook input priority 0
:ingress;type filter hook ingress device lo priority 0
:egress;type filter hook egress device lo priority 0

*ip;test-ip4;input
*ip6;test-ip6;input
*inet;test-inet;input
*netdev;test-netdev;ingress,egress

dccp sport 21-35;ok
dccp sport != 21-35;ok
dccp sport {23, 24, 25};ok
dccp sport != {23, 24, 25};ok

dccp sport 20-50;ok

# dccp dport 21-35;ok
# dccp dport != 21-35;ok
dccp dport {23, 24, 25};ok
dccp dport != {23, 24, 25};ok

dccp type {request, response, data, ack, dataack, closereq, close, reset, sync, syncack};ok
dccp type != {request, response, data, ack, dataack, closereq, close, reset, sync, syncack};ok
dccp type request;ok
dccp type != request;ok

dccp option 0 exists;ok
dccp option 43 missing;ok
dccp option 255 exists;ok
dccp option 256 exists;fail