pf_match_port
!pf_match_port(r->src.port_op, r->src.port[0],
!pf_match_port(r->dst.port_op, r->dst.port[0],
pf_match_port(psk->psk_src.port_op,
pf_match_port(psk->psk_dst.port_op,
int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);