nsim: remove buffer u32 upper bound
Extreme BDP flows requires more buffer memory.
@@ -188,7 +188,7 @@ nsim_configure (nsim_main_t * nsm, f64 bandwidth, f64 delay, f64 packet_size,
nsm->drop_fraction = drop_fraction;
/* delay in seconds, bandwidth in bits/sec */
- total_buffer_size_in_bytes = (u32) ((delay * bandwidth) / 8.0) + 0.5;
+ total_buffer_size_in_bytes = ((delay * bandwidth) / 8.0) + 0.5;
/*
* Work out how much buffering each worker needs, assuming decent
