int ruleid
long dpid
short in_port
long dl_src
long dl_dst
short dl_type
int nw_src_prefix
int nw_src_maskbits
int nw_dst_prefix
int nw_dst_maskbits
short nw_proto
short tp_src
short tp_dst
boolean wildcard_dpid
boolean wildcard_in_port
boolean wildcard_dl_src
boolean wildcard_dl_dst
boolean wildcard_dl_type
boolean wildcard_nw_src
boolean wildcard_nw_dst
boolean wildcard_nw_proto
boolean wildcard_tp_src
boolean wildcard_tp_dst
int priority
FirewallRule.FirewallAction action