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Bjoern A. Zeeb 391255b8a4 While not explicitly allowed by RFC 2460, in case there is no
translation technology involved (and that section is suggested to
be removed by Errata 2843), single packet fragments do not harm.

There is another errata under discussion to clarify and allow this.
Meanwhile add a sysctl to allow disabling this behaviour again.
We will treat single packet fragment (a fragment header added
when not needed) as if there was no fragment header.

PR:		kern/145733
Submitted by:	Matthew Luckie (mjl luckie.org.nz) (original version)
Tested by:	Matthew Luckie (mjl luckie.org.nz)
MFC after:	2 weeks
Approved by:	re (kib)
2011-08-20 12:40:17 +00:00
bin Rename ki_ocomm to ki_tdname and OCOMMLEN to TDNAMLEN. 2011-07-18 20:06:15 +00:00
cddl Fix serious bug in ZIL that can lead to pool corruption 2011-07-30 19:00:31 +00:00
contrib - Merged awk upstream that includes a fix for a bug exposed by kmod_syms.mk. 2011-08-11 10:29:10 +00:00
crypto Fix two more $FreeBSD$ keywords. 2011-08-03 20:21:52 +00:00
etc Revert r224760, and enhance the sed patterns from r224659 to comment out 2011-08-10 20:52:02 +00:00
games Minor typo, fix 2 attributions 2011-06-09 06:10:39 +00:00
gnu Walk the zombproc list as well as the allproc list when enumerating threads 2011-08-19 21:28:40 +00:00
include Revert the previous change and add xdr_sizeof 2011-07-10 14:03:13 +00:00
kerberos5 The kerberos5 tools are only used as build tools but not otherwise and 2011-06-25 16:13:56 +00:00
lib Add experimental support for process descriptors 2011-08-18 22:51:30 +00:00
libexec Pull in some wording to the tftpd.8 man page 2011-07-31 03:18:36 +00:00
release Allow release generation from a WORLDDIR that is not /usr/src 2011-08-18 16:54:04 +00:00
rescue Finally... Import the latest open-source ZFS version - (SPA) 28. 2011-02-27 19:41:40 +00:00
sbin o Fix mdoc formatting for the '.Fx' macro. [1] 2011-08-20 08:20:10 +00:00
secure Upgrade to OpenSSH 5.8p2. 2011-05-04 07:34:44 +00:00
share Update ata(4) manual page, reflecting migration to CAM-based ATA stack 2011-08-17 19:43:41 +00:00
sys While not explicitly allowed by RFC 2460, in case there is no 2011-08-20 12:40:17 +00:00
tools Test process descriptors. 2011-08-18 23:15:04 +00:00
usr.bin - Fix exclusion of directories from a recursive search 2011-08-17 13:58:39 +00:00
usr.sbin Fix a bug that prevented docsinstall from being able to use DNS in most 2011-08-18 16:00:32 +00:00
COPYRIGHT Happy New Year 2011. 2010-12-31 18:07:16 +00:00
LOCKS Update LOCKS syntax. 2008-06-05 19:47:58 +00:00
MAINTAINERS - Remove myself from ncurses maintainer due to ENOTIME 2011-08-10 15:49:24 +00:00
Makefile It's a bit odd, but "make update" in src/ can also update the ports/, 2011-06-16 12:28:37 +00:00
Makefile.inc1 - Merged awk upstream that includes a fix for a bug exposed by kmod_syms.mk. 2011-08-11 10:29:10 +00:00
Makefile.mips Retire TARGET_ABI. 2011-01-07 20:26:33 +00:00
ObsoleteFiles.inc Add more obsolete files. 2011-07-10 15:01:14 +00:00
README Vendor import of OpenSSH 5.8p2 2011-05-03 11:22:37 +00:00
UPDATING Bump __FreeBSD_version to reflect the availability of capabilities, but 2011-08-15 07:30:48 +00:00

This is the top level of the FreeBSD source directory.  This file
was last revised on:
$FreeBSD$

For copyright information, please see the file COPYRIGHT in this
directory (additional copyright information also exists for some
sources in this tree - please see the specific source directories for
more information).

The Makefile in this directory supports a number of targets for
building components (or all) of the FreeBSD source tree, the most
commonly used one being ``world'', which rebuilds and installs
everything in the FreeBSD system from the source tree except the
kernel, the kernel-modules and the contents of /etc.  The ``world''
target should only be used in cases where the source tree has not
changed from the currently running version.  See:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
for more information, including setting make(1) variables.

The ``buildkernel'' and ``installkernel'' targets build and install
the kernel and the modules (see below).  Please see the top of
the Makefile in this directory for more information on the
standard build targets and compile-time flags.

Building a kernel is a somewhat more involved process, documentation
for which can be found at:
   http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
And in the config(8) man page.
Note: If you want to build and install the kernel with the
``buildkernel'' and ``installkernel'' targets, you might need to build
world before.  More information is available in the handbook.

The sample kernel configuration files reside in the sys/<arch>/conf
sub-directory (assuming that you've installed the kernel sources), the
file named GENERIC being the one used to build your initial installation
kernel.  The file NOTES contains entries and documentation for all possible
devices, not just those commonly used.  It is the successor of the ancient
LINT file, but in contrast to LINT, it is not buildable as a kernel but a
pure reference and documentation file.


Source Roadmap:
---------------
bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

games		Amusements.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

sys		Kernel sources.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.


For information on synchronizing your source tree with one or more of
the FreeBSD Project's development branches, please see:

  http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/synching.html