ACK_RATIO_SHIFT 67 net/ipv4/tcp_bic.c ca->delayed_ack = 2 << ACK_RATIO_SHIFT; ACK_RATIO_SHIFT 135 net/ipv4/tcp_bic.c ca->cnt = (ca->cnt << ACK_RATIO_SHIFT) / ca->delayed_ack; ACK_RATIO_SHIFT 197 net/ipv4/tcp_bic.c (ca->delayed_ack >> ACK_RATIO_SHIFT);