linux/net/dccp/ccids/lib
Gerrit Renker 1e8a287c79 dccp ccid-3: TFRC reverse-lookup Bug-Fix
This fixes a bug in the reverse lookup of p: given a value f(p), instead of p,
the function returned the smallest tabulated value f(p).

The smallest tabulated value of
	 
   10^6 * f(p) =  sqrt(2*p/3) + 12 * sqrt(3*p/8) * (32 * p^3 + p) 

for p=0.0001 is 8172. 

Since this value is scaled by 10^6, the outcome of this bug is that a loss
of 8172/10^6 = 0.8172% was reported whenever the input was below the table
resolution of 0.01%.

This means that the value was over 80 times too high, resulting in large spikes
of the initial loss interval, thus unnecessarily reducing the throughput.

Also corrected the printk format (%u for u32).

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
2008-06-11 11:19:10 +01:00
..
loss_interval.c [TFRC]: Remove previous loss intervals implementation 2008-01-28 14:57:20 -08:00
loss_interval.h [TFRC]: Remove previous loss intervals implementation 2008-01-28 14:57:20 -08:00
Makefile [TFRC]: Provide central source file and debug facility 2008-01-28 14:56:39 -08:00
packet_history.c [TFRC]: CCID3 (and CCID4) needs to access these inlines 2008-01-28 14:57:19 -08:00
packet_history.h [TFRC]: CCID3 (and CCID4) needs to access these inlines 2008-01-28 14:57:19 -08:00
tfrc_equation.c dccp ccid-3: TFRC reverse-lookup Bug-Fix 2008-06-11 11:19:10 +01:00
tfrc.c dccp: Fix sparse warnings 2008-06-11 11:19:09 +01:00
tfrc.h dccp: Fix sparse warnings 2008-06-11 11:19:09 +01:00