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linux-next/net/dccp
Gerrit Renker 63b3a73bb8 dccp ccid-3: Remove ugly RTT-sampling history lookup
This removes the RTT-sampling function tfrc_tx_hist_rtt(), since

 1. it suffered from complex passing of return values (the return value both
    indicated successful lookup while the value doubled as RTT sample);

 2. when for some odd reason the sample value equalled 0, this triggered a bug
    warning about "bogus Ack", due to the ambiguity of the return value;

 3. on a passive host which has not sent anything the TX history is empty and
    thus will lead to unwanted "bogus Ack" warnings such as
    ccid3_hc_tx_packet_recv: server(e7b7d518): DATAACK with bogus ACK-28197148
    ccid3_hc_tx_packet_recv: server(e7b7d518): DATAACK with bogus ACK-26641606.

The fix is to replace the implicit encoding by performing the steps manually.					       

Furthermore, the "bogus Ack" warning has been removed, since it can actually be
triggered due to several reasons (network reordering, old packet, (3) above),
hence it is not very useful.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
2008-09-04 07:45:34 +02:00
..
ccids dccp ccid-3: Remove ugly RTT-sampling history lookup 2008-09-04 07:45:34 +02:00
ackvec.c dccp: Set per-connection CCIDs via socket options 2008-09-04 07:45:28 +02:00
ackvec.h dccp: Leave headroom for options when calculating the MPS 2008-09-04 07:45:33 +02:00
ccid.c dccp: Auto-load (when supported) CCID plugins for negotiation 2008-09-04 07:45:31 +02:00
ccid.h dccp: Auto-load (when supported) CCID plugins for negotiation 2008-09-04 07:45:31 +02:00
dccp.h dccp: Special case of the MPS for client-PARTOPEN with DataAcks 2008-09-04 07:45:33 +02:00
diag.c dccp ccid-2: Phase out the use of boolean Ack Vector sysctl 2008-09-04 07:45:31 +02:00
feat.c dccp ccid-2: Use feature-negotiation to report Ack Ratio changes 2008-09-04 07:45:32 +02:00
feat.h dccp: Debugging functions for feature negotiation 2008-09-04 07:45:32 +02:00
input.c dccp ccid-2: Phase out the use of boolean Ack Vector sysctl 2008-09-04 07:45:31 +02:00
ipv4.c dccp: Cleanup routines for feature negotiation 2008-09-04 07:45:26 +02:00
ipv6.c dccp: Cleanup routines for feature negotiation 2008-09-04 07:45:26 +02:00
ipv6.h Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
Kconfig [DCCP]: Promote CCID2 as default CCID 2008-01-28 14:54:46 -08:00
Makefile [DCCPv6]: Resolve conditional build problem 2006-12-02 21:22:28 -08:00
minisocks.c dccp: Implement both feature-local and feature-remote Sequence Window feature 2008-09-04 07:45:32 +02:00
options.c dccp: Debugging functions for feature negotiation 2008-09-04 07:45:32 +02:00
output.c dccp: Special case of the MPS for client-PARTOPEN with DataAcks 2008-09-04 07:45:33 +02:00
probe.c dccp ccid-3: Remove ccid3hc{tx,rx}_ prefixes 2008-09-04 07:45:33 +02:00
proto.c dccp ccid-2: Use feature-negotiation to report Ack Ratio changes 2008-09-04 07:45:32 +02:00
sysctl.c dccp: Initialisation and type-checking of feature sysctls 2008-09-04 07:45:32 +02:00
timer.c dccp: Limit feature negotiation to connection setup phase 2008-09-04 07:45:27 +02:00