CVS commit: src/sys/netinet

["Mihai Chelaru" <kefren%netbsd.org@localhost>]

Module Name:    src
Committed By:   kefren
Date:           Tue Nov 12 09:02:05 UTC 2013

Modified Files:
        src/sys/netinet: tcp_congctl.c tcp_congctl.h tcp_input.c tcp_sack.c
            tcp_subr.c tcp_var.h

Log Message:
* implement TCP CUBIC congestion control algorithm
* move tcp_sack_newack bits inside reno and newreno_fast_retransmit_newack
* notify ECN peer about cwnd shrink in [new]reno_slow_retransmit

Based on the patch proposed on tech-net@ on Nov 7 with minor improvments:
 * adapt wmax for no-fast convergence case
 * correct cbrt calculation for big window sizes (>750KB)


To generate a diff of this commit:
cvs rdiff -u -r1.17 -r1.18 src/sys/netinet/tcp_congctl.c
cvs rdiff -u -r1.6 -r1.7 src/sys/netinet/tcp_congctl.h
cvs rdiff -u -r1.329 -r1.330 src/sys/netinet/tcp_input.c
cvs rdiff -u -r1.28 -r1.29 src/sys/netinet/tcp_sack.c
cvs rdiff -u -r1.250 -r1.251 src/sys/netinet/tcp_subr.c
cvs rdiff -u -r1.170 -r1.171 src/sys/netinet/tcp_var.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.