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| author | Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2010-09-19 20:10:52 +0200 |
|---|---|---|
| committer | Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2010-09-21 12:14:26 +0200 |
| commit | 792e6d3389061ad449429b9ba228eb758c247ea0 (patch) | |
| tree | 31a238fb2fc28e465e95b7d98b5e0698461cdadf /net/xfrm | |
| parent | 80763dfbac4ed1e6dfe6ec08ef748e0e9aec3260 (diff) | |
| download | linux-3.10-792e6d3389061ad449429b9ba228eb758c247ea0.tar.gz linux-3.10-792e6d3389061ad449429b9ba228eb758c247ea0.tar.bz2 linux-3.10-792e6d3389061ad449429b9ba228eb758c247ea0.zip | |
dccp tfrc/ccid-3: computing the loss rate from the Loss Event Rate
This adds a function to take care of the following, separate cases occurring in
the computation of the Loss Rate p:
* 1/(2^32-1) is mapped into 0% as per RFC 4342, 8.5;
* 1/0 is mapped into 100%, the maximum;
* to avoid that p = 1/x is rounded down to 0 when x is very large, since this
means accidentally re-entering slow-start indicated by p == 0, the minimum
resolution value of p is now returned instead;
* a bug in ccid3_hc_rx_getsockopt is fixed: 1/0 was mapped into ~0U.
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Diffstat (limited to 'net/xfrm')
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