Hi Hiroki-san,
On 01/09/12 00:54, Hiroki Sato wrote:
Author: hrs
Date: Sun Jan 8 13:54:08 2012
New Revision: 229812
URL: http://svn.freebsd.org/changeset/base/229812
Log:
Add relnotes items:
igb(4) Intel I350 GbE support,
re(4) TX IP checksum disabled on RTL8168C-based cards,
cc(9) TCP congestion control algorithm framework added,
gpart(8) various aliases and bios-boot GUID added,
FFS SU+J added,
more kern.features.* for UFS-related features,
hastd(8) drops root privilege in worker processes,
newsyslog(8) xz compression support added,
ppp(8) iface name and iface description commands added,
sh(1) arithmetic expression handling updated,
ISC BIND to 9.8.1-P1, and
tzdata2011a.
Modified:
stable/9/release/doc/en_US.ISO8859-1/relnotes/article.sgml
Modified: stable/9/release/doc/en_US.ISO8859-1/relnotes/article.sgml
==============================================================================
[snip]
cc(4) and cc(9) were renamed to mod_cc(4) and mod_cc(9) in r225583 to
avoid overlap with the cc(1) GCC man page. Would you mind correcting the
references in the entry below?
@@ -315,11 +321,39 @@ wpi0: wpi_rx_intr: bus_dmamap_load faile
been fixed. The source address selection could not being
performed when multicast options were present but without an
interface being specified.</para>
+
+ <para revision="216109,216114,216115,218152,218153,218155">
+ &os; TCP/IP network stack now supports&man.cc.9; pluggable
+ congestion control framework. This allows TCP congestion
+ control algorithms to be implemented as dynamically loadable
+ kernel modules. The following kernel modules are available
+ as of&release.current;:&man.cc.chd.4; for
+ CAIA-Hamilton-Delay algorithm,&man.cc.cubic.4; for CUBIC
+ algorithm,&man.cc.hd.4; for Hamilton-Delay algorithm,
+ &man.cc.htcp.4; for H-TCP algorithm,&man.cc.newreno.4; for
+ NewReno algorithm, and&man.cc.vegas.4; for Vegas algorithm.
+ The default algorithm can be set by a new&man.sysctl.8;
+ variable<varname>net.inet.tcp.cc.algorithm</varname>. The
+ value must be set to one of the names listed by the
+ <varname>net.inet.tcp.cc.available</varname>, and
+ <literal>newreno</literal> is set at boot time. For more
+ detail, see&man.cc.9; manual page.</para>
</sect3>
Thanks for once again doing the release notes.
Cheers,
Lawrence
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