CWNDSCALE
#define MAXCWND (32 * CWNDSCALE)
cu->cu_sent += CWNDSCALE;
cu->cu_sent -= CWNDSCALE;
cu->cu_sent -= CWNDSCALE;
cu->cu_sent -= CWNDSCALE;
cu->cu_sent -= CWNDSCALE;
cu->cu_sent -= CWNDSCALE;
cu->cu_cwnd += (CWNDSCALE * CWNDSCALE
if (cu->cu_cwnd < CWNDSCALE)
cu->cu_cwnd = CWNDSCALE;
cu->cu_sent += CWNDSCALE;
cu->cu_sent += CWNDSCALE;