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| author | Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2008-09-04 07:30:19 +0200 |
|---|---|---|
| committer | Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2008-09-04 07:45:41 +0200 |
| commit | 2b81143aa3505e2460b24b357996c2f21840ea58 (patch) | |
| tree | 37f752fb85c563f965655cec834bb289fd831137 /net/x25 | |
| parent | 2f3e3bbad917c426d3aba03a535809e5699de156 (diff) | |
| download | kernel_samsung_tuna-2b81143aa3505e2460b24b357996c2f21840ea58.zip kernel_samsung_tuna-2b81143aa3505e2460b24b357996c2f21840ea58.tar.gz kernel_samsung_tuna-2b81143aa3505e2460b24b357996c2f21840ea58.tar.bz2 | |
dccp ccid-3: Always perform receiver RTT sampling
This updates the CCID-3 receiver in part with regard to errata 610 and 611
(http://www.rfc-editor.org/errata_list.php), which change RFC 4342 to use the
Receive Rate as specified in rfc3448bis, requiring to constantly sample the
RTT (or use a sender RTT).
Doing this requires reusing the RX history structure after dealing with a loss.
The patch does not resolve how to compute X_recv if the interval is less
than 1 RTT. A FIXME has been added (and is resolved in subsequent patch).
Furthermore, since this is all TFRC-based functionality, the RTT estimation
is now also performed by the dccp_tfrc_lib module. This further simplifies
the CCID-3 code.
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Diffstat (limited to 'net/x25')
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