if ((flow->nw_proto == IP_TYPE_TCP) && packet->l7) {
struct tcp_header *tcp = packet->l4;
stats->tcp_flags = TCP_FLAGS(tcp->tcp_ctl);
if ((flow->nw_proto == IP_TYPE_TCP) && packet->l7) {
struct tcp_header *tcp = packet->l4;
stats->tcp_flags = TCP_FLAGS(tcp->tcp_ctl);