dup_ack_cnt
u16_t dup_ack_cnt;
pkt->l2pkt_rx_info->dup_ack_cnt = cqe->pure_ack_count;
u16_t dup_ack_cnt;
u8 dup_ack_cnt /* The number of ACKs that have been accepted for the same sequence number */;
u8 dup_ack_cnt /* The number of ACKs that have been accepted for the same sequence number */;