Max Laier
2007-Jan-17 01:02 UTC
[FreeBSD-Announce] FreeBSD Status Report Fourth Quarter 2006
Introduction
Happy New Year. This Report covers the last quarter of a exciting year
2006 for FreeBSD development. FreeBSD 6.2 is finally out of the door
and work towards FreeBSD 7.0 is gearing up. Some of the projects in
this report will be part of that effort, others are already in the
tree. Many projects need your help with testing and otherwise. Please
see the "Open tasks" sections for more information.
The BSD crowd will meet at AsiaBSDCon March 8-10th in Tokyo and a two
day FreeBSD developer summit will be held at BSDCan May 16-19th in
Ottawa. Finally, EuroBSDCon September 14-15th in Copenhagen is already
looking for papers.
Thanks to all the reporters for the excellent work! We hope you enjoy
reading.
_________________________________________________________________
Projects
* FreeSBIE
* iSCSI Initiator
* Network Stack Virtualization
* New USB Stack
* Past and Future PR Closing Events
* Porting ZFS to FreeBSD
* TrustedBSD Audit
* TrustedBSD MAC Framework
* TrustedBSD priv(9)
FreeBSD Team Reports
* FreeBSD Bugbusting Team
* FreeBSD Security Officer and Security Team
* Release Engineering
* The FreeBSD Foundation
Network Infrastructure
* Automatic TCP Send and Receive Socket Buffer Sizing
* FAST_IPSEC Upgrade
* ipfw NAT and libalias
* Multi-link PPP daemon (MPD)
* Wireless Networking
Kernel
* Cryptographic Subsystem
* GEOM Multipath
* Interrupt Filtering
* Sound Subsystem Improvements
* Update of the Linux Compatibility Environment in the Kernel
Hardware Drivers
* Bt878 Audio Driver (aka FusionHDTV 5 Lite driver)
* Intel 3945ABG Wireless LAN Driver: wpi
* MPT LSI-Logic Host Adapters: mpt
* QLogic SCSI and Fibre Channel: isp
Documentation
* Hungarian Translation of the Webpages
* The FreeBSD Dutch Documentation Project
Userland Programs
* BSNMP - More Ongoing and Upcoming Work
* BSNMP Bridge Module
* BSNMP Client Tools
* Libelf
Architectures
* ARM/XScale Port
* FreeBSD/powerpc on Freescale MPC8555
Ports
* FreeBSD GNOME Project
* FreshPorts
* Ports Collection
* Updating X.org FreeBSD Ports to 7.2
Miscellaneous
* BSDCan 2007
* EuroBSDCon 2007
_________________________________________________________________
ARM/XScale Port
Contact: Olivier Houchard <cognet@FreeBSD.org>
Contact: Sam Leffler <sam@FreeBSD.org>
FreeBSD is running multi-user on a variety of Gateworks Avila boards
with most of the on-board devices supported. These include the compact
flash/IDE slot, wired network interfaces, realtime clock, and
environmental sensors. Several different minipci cards have been
tested including those supported by the ath(4) and hifn(4) drivers.
Remaining devices that need support are the onboard flash, optional
4-port network switch, and optional USB interface. Crypto acceleration
for IXP425 parts is planned but will likely be done at a later time.
The Network Processor Engine (NPE) support is done with an entirely
new replacement for the Intel Access Layer (IAL). The most important
hardware facilities are supported (e.g. the hardware Q manager) and
the wired NIC driver was also done from scratch. The resulting code is
approximately 1/10th the number of lines of the equivalent IAL code.
Open tasks:
1. Bootstrap support needs work to enable booting from the compact
flash device.
_________________________________________________________________
Automatic TCP Send and Receive Socket Buffer Sizing
URL: http://people.FreeBSD.org/~andre/tcp_auto_buf-20061212.diff
URL:
http://people.FreeBSD.org/~andre/tcp_auto_buf-20061212-RELENG_6.diff
Contact: Andre Oppermann <andre@FreeBSD.org>
Normally the socket buffers are static (either derived from global
defaults or set with setsockopt) and do not adapt to real network
conditions. Two things happen: a) your socket buffers are too small
and you can't reach the full potential of the network between both
hosts; b) your socket buffers are too big and you waste a lot of
kernel memory for data just sitting around.
With automatic TCP send and receive socket buffers we can start with a
small buffer and quickly grow it in parallel with the TCP congestion
window to match real network conditions.
FreeBSD has a default 32K send socket buffer. This supports a maximal
transfer rate of only slightly more than 2Mbit/s on a 100ms RTT
trans-continental link. Or at 200ms just above 1Mbit/s. With TCP send
buffer auto scaling and the default values below it supports 20Mbit/s
at 100ms and 10Mbit/s at 200ms. That's an improvement of factor 10, or
1000%. For the receive side it looks slightly better with a default of
64K buffer size.
The automatic send buffer sizing patch is currently running on one
half of the FTP.FreeBSD.ORG cluster w/o any problems so far. Against
this machine with the automatic receive buffer sizing patch I can
download at 5.7 MBytes per second. Without patch it maxed out at 1.6
MBytes per second as the delay bandwidth product became equal to the
static socket buffer size without hitting the limits of the physical
link between the machines. My test machine is about 35ms from that
FTP.FreeBSD.ORG and connected through a moderately loaded 100Mbit
Internet link.
New sysctls are:
* net.inet.tcp.sendbuf_auto=1 (enabled)
* net.inet.tcp.sendbuf_inc=8192 (8K, step size)
* net.inet.tcp.sendbuf_max=262144 (256K, growth limit)
* net.inet.tcp.recvbuf_auto=1 (enabled)
* net.inet.tcp.recvbuf_inc=16384 (16K, step size)
* net.inet.tcp.recvbuf_max=262144 (256K, growth limit)
_________________________________________________________________
BSDCan 2007
URL: http://www.bsdcan.org/2007/
Contact: Dan Langille <dan@langille.org>
Folks!
It is that time of year. You may have missed the call for papers , but
please put in your proposal right away. This is often a busy time of
year, but please take the time to consider presenting at BSDCan.
Please read the submission instructions and send in your proposal
today!
You may be interested in our sister conference: PGCon. If you have an
interest in PostgreSQL , a leading relational database, which just
happens to be open source, then we have the conference for you! PGCon
2007 will be held immediately after BSDCan 2007, at the same venue,
and will follow a similar format.
Open tasks:
1. Waiting for papers
_________________________________________________________________
BSNMP - More Ongoing and Upcoming Work
URL: http://wikitest.FreeBSD.org/BsnmpTODO
Contact: Shteryana Shopova <syrinx@FreeBSD.org>
Contact: Harti Brandt <harti@FreeBSD.org>
Contact: Bjoern A. Zeeb <bz@FreeBSD.org>
In addition to other more detailed reports this is intended to give a
summary about other ongoing or upcoming BSNMP related work. To collect
some ideas from users and coordinate work a BSNMP TODO Wiki page was
created. Feel free to add your ideas or let us know about them.
* A contributor, Tsvetan Erenditsov, has volunteered to implement a
VLAN module for BSNMP. Shteryana is helping him.
* Sam Leffler has asked for a wireless networking monitoring module,
which will most likely be the next module to be implemented.
* Some major work is currently going on in the main BSNMP tree:
+ SNMP transports have been factored out into loadable modules.
The old port tables are still there and will remain at least
for the next release. Later they will be removed. The
following modules and transports are already implemented as
loadable modules:
o snmp_trans_udp: SNMP over UDP over IPv4, IPv6 and scoped
IPv6
o snmp_trans_tcp: SNMP over TCP over IPv4, IPv6 and scoped
IPv6
o snmp_trans_ldgram: SNMP over local datagram sockets
o snmp_trans_lstream: SNMP over local stream sockets
+ Some I/O functions have been moved from the daemon to
libbsnmp.
+ libisa has been imported into the bsnmp tree. This library
aims at easy implementation of command line tools for remote
and local system administration with a special focus on
administration via SNMP. The library contains command line
parsing functions, a function for automatically handling help
text. Actual administration modules are implemented as
loadable modules. The atmconfig tool in the FreeBSD tree
contains some old parts of this library.
+ lisa_snmp is a module which implements SNMP functionality for
libisa.
+ lisa_snmpd is a module for remote administration of the
bsnmpd.
+ The config file parser of bsnmpd has been rewritten so that
each section of the file is handled as a transaction (in
contrast to the previous behavior where the entire file was
one transaction).
_________________________________________________________________
BSNMP Bridge Module
URL: http://wikitest.FreeBSD.org/SnmpBridgeModule
Contact: Shteryana Shopova <syrinx@FreeBSD.org>
The BSNMP bridge module for FreeBSD's BSNMP daemon, which was
implemented during SoC 2006, was committed to HEAD. In addition to RFC
4188 single bridge support it also supports monitoring multiple
bridges via a private MIB. Since SoC 2006 Rapid Spanning Tree (RSTP)
support (RSTP-MIB defined in RFC4318 and additions to the private MIB)
was added to the module as well.
A patch for RELENG_6 is available and will be merged to STABLE the
next weeks.
Open tasks:
1. MFC to RELENG_6.
2. More feedback from users is always welcome.
_________________________________________________________________
BSNMP Client Tools
URL: http://wikitest.FreeBSD.org/BsnmpTools
URL:
http://perforce.FreeBSD.org/depotTreeBrowser.cgi?FSPC=//depot/user/syr
inx/ bsnmp/contrib/bsnmp/snmptools
URL:
http://perforce.FreeBSD.org/depotTreeBrowser.cgi?FSPC=//depot/user/bz/
bsnmp%5fsyrinx/usr.sbin/bsnmpd/tools
Contact: Shteryana Shopova <syrinx@FreeBSD.org>
Contact: Bjoern A. Zeeb <bz@FreeBSD.org>
During SoC 2005 BSNMP client tools (bsnmptools) were implemented and
have since then been available via Shteryana's P4 tree or port
net-mgmt/bsnmptools.
In order to finally get the code committed some cleanup was needed
which ended in a partly rewrite to minimize duplicate code and to
reduce the size of the binaries. This ongoing work is available via
Bjoern's P4 tree and will be merged back to upstream trees before it
will be committed to HEAD.
Open tasks:
1. Update Wiki Page to reflect latest work.
2. Finish cleanup and have it reviewed.
3. User feedback is always welcome.
_________________________________________________________________
Bt878 Audio Driver (aka FusionHDTV 5 Lite driver)
URL:
http://perforce.freebsd.org/fileSearch.cgi?FSPC=%2F%2Fdepot%2Fuser%2Fj
mg%2Fbktrau%2F...&ignore=GO%21
Contact: John-Mark Gurney <jmg@FreeBSD.org>
Basic audio capture is working. All of the parameters are set by
userland, while the RISC program generation is by kernel. No real
audio has been captured as there are no drivers for the NTSC tuner
yet. Someone with a real Bt878 NTSC card that is supported by bktr(4)
could use this to capture audio without using the sound card.
Due to lack of documentation from DViCO and LG, I have copied magic
values from the Linux driver and managed to get ATSC capturing
working. There was a bug in the capture driver that was releasing
buffers to userland early causing what appeared to be reception
issues. Now that we use the RISC status bits as buffer completion
bits, capture works cleanly. This does mean that even if you provide
more than 4 buffers to the driver, the buffers will be divided into
four segments, and returned in segments.
A Python module is available, along with a sample capture application
using it. The module is now known to work well with threads so that
tuning (expensive due to i2c ioctls) can happen in another thread
without causing program slow down. The module is working well with a
custom PVR backend.
Additional ioctls have been added to get sibling devices. This allows
one to open a bktrau device, and get the correct bktr(4) device that
is in the same slot. This is necessary so that when adjusting GPIO
pins or sending i2c commands, they are to the correct device.
Open tasks:
1. Provide support for NTSC and FM tuning.
2. Add support for other cards and tuners that use the Bt878 chip.
_________________________________________________________________
Cryptographic Subsystem
Contact: Sam Leffler <sam@FreeBSD.org>
Michael Richardson has been spearheading work to improve the crypto
subsystem used by various parts of the kernel including Fast IPSec and
geli. This work is sponsored by Hifn and has been happening outside
the CVS repository. A main focus of this work is to add support for
higher-level hardware operations that can significantly improve the
performance of IPSec and SSL protocols.
Results of this work are now being readied for CVS. These redesign the
core/driver APIs to use the kobj facilities and recast software crypto
drivers as pseudo devices. The changes greatly improve the system and
permit new functionality such as specifying which crypto device to use
when multiple are available. The redesign will also enable load
balancing of crypto work across multiple devices and the addition of
virtual crypto sessions by which small operations can be done in
software when the overhead to set up a hardware device is too costly.
In addition to the changes to the core crypto system several crypto
drivers have been updated to improve their operation. Top of this list
is the hifn(4) driver where many longstanding bugs have been fixed for
7955/756 parts.
_________________________________________________________________
EuroBSDCon 2007
URL: http://2007.EuroBSDCon.org/
URL: http://www.EuroBSDCon.dk/
Contact: Sidsel Jensen <info@EuroBSDCon.dk>
The sixth EuroBSDCon will take place in Copenhagen, Denmark on Friday
the 14th and Saturday 15th of September 2007 . The conference will be
held at Symbion Science Park . Sunday the 16th there will be an
optional tour to LEGOland.
The call for papers was sent out right after EuroBSDCon 2006 in Milan
in November and abstracts are due February 1st! So hurry up and send
in all your fantastic and amazing papers to papers at eurobsdcon dot
dk.
_________________________________________________________________
FAST_IPSEC Upgrade
URL: http://www.FreeBSD.org/~gnn/fast_ipv6.patch
URL: http://blogs.FreeBSDish.org/gnn/
Contact: George Neville-Neil <gnn@FreeBSD.org>
Contact: Bjoern Zeeb <bz@FreeBSD.org>
Just this week I got routing working for the FAST_IPSEC and IPv6 code.
Now there are memory smash problems, and then we need to remove the
old GIANT lock. I hope to produce another patch with the routing code
working in the next week.
Open tasks:
1. Test the patch!!!!
_________________________________________________________________
FreeBSD Bugbusting Team
URL: http://www.FreeBSD.org/doc/en/articles/pr-guidelines/
URL: http://www.FreeBSD.org/doc/en/articles/problem-reports/
Contact: Mark Linimon <linimon@FreeBSD.org>
Contact: Ceri Davis <ceri@FreeBSD.org>
Contact: Remko Lodder <remko@FreeBSD.org>
The FreeBSD Bugbusting team is a team of volunteers keeping track of
various PR tickets in the GNATS application. Currently the Bugbusting
team is investigating old PR tickets, checking whether they are still
accurate, checking what needs to be done to fix the issues reported
and make sure that the developers team can focus on the latest
releases.
The team is always in need of volunteers willing to give a hand to
resolve the old tickets and get the best feedback that is needed for
the open tickets.
Please contact FreeBSD-bugbusters@FreeBSD.org if you want more
information about the things that need to be done.
Open tasks:
1. Checkout old PR tickets, getting the proper feedback and finally
fix and/or resolve the tickets.
_________________________________________________________________
FreeBSD GNOME Project
URL: http://www.FreeBSD.org/gnome/
Contact: FreeBSD GNOME Project <gnome@FreeBSD.org>
Where have we been?! Not doing status reports, that's for sure. But
the FreeBSD GNOME project has been very busy with regular GNOME
releases, and other side projects. We are currently shipping GNOME
2.16.2 in the ports tree, and we are testing GNOME 2.17.5 in the
MarcusCom tree.
Most recently, work has completed on a cleanup of the FreeBSD backend
to libgtop. This module has needed a lot of work, and should now be
reporting correct system statistics. The cleaned up version is
currently being tested in the MarcusCom tree, and will make it into
the FreeBSD ports tree along with GNOME 2.18.
The GStreamer framework has been taken out of direct gnome@
maintainership, and put under a new multimedia@ umbrella. This will
give multimedia-savvy developers a chance to collaborate on this
important piece of the GNOME Desktop along with other important audio
and video components.
The biggest accomplishment of 2006 for the FreeBSD GNOME team had to
have been the port of HAL . This effort was started to give FreeBSD
users a richer desktop experience. Since the initial FreeBSD release
of HAL with GNOME 2.16, it has been incorporated into the FreeBSD
release of KDE 3.5.5 as well as PC-BSD 1.3. The FreeBSD backend has
also made it upstream into the HAL git repository so future releases
of HAL will have FreeBSD support out-of-the-box.
Finally, it is with sadness that we say good-bye to one of our team
members. Adam Weinberger stepped down from the FreeBSD GNOME team to
save lives instead (priorities, man!). His splash screens and grammar
nit-picking will be missed.
Open tasks:
1. Now that HAL has been ported to FreeBSD, there is a strong desire
to see NetworkManager ported. The big parts will be porting NM to
use our 80211 framework, and extending some of the base utilities
such as ifconfig. Contact marcus@FreeBSD.org if you are interested
in helping.
2. Our system-tools-backends module needs some attention. This module
is responsible for system configuration tasks in GNOME such as
user management, network shares administration, etc. A knowledge
of Perl is highly recommended. Contact marcus@FreeBSD.org if you
are interested in helping.
3. We need good documentation writers to help update our FAQ and
other documentation. If you would like to take on the
responsibility full-time, or just contribute some pieces, please
notify gnome@FreeBSD.org .
4. We are always in need of GNOME development testers. See our
development branch FAQ for ways on how you can help make the next
release of GNOME the best release.
_________________________________________________________________
FreeBSD Security Officer and Security Team
URL: http://www.FreeBSD.org/security/
URL:
http://www.FreeBSD.org/doc/en_US.ISO8859-1/articles/contributors/staff
-listing.html#STAFF-SECTEAM
URL: http://vuxml.FreeBSD.org/
Contact: Security Officer <security-officer@FreeBSD.org>
Contact: Security Team <security-team@FreeBSD.org>
In the time since the last status report, four security advisories
have been issued concerning problems in the base system of FreeBSD
(three in 2006 and one in 2007); of these, one problem was in
"contributed" code, while the remaining three were in code
maintained
within FreeBSD. The Vulnerabilities and Exposures Markup Language
(VuXML) document has continued to be updated by the Security Team and
Ports Committers documenting new vulnerabilities in the FreeBSD Ports
Collection; since the last status report, 55 new entries have been
added, bringing the total up to 869.
In order to streamline security team operations and ensure that
incoming emails are promptly acknowledged, Remko Lodder has been
appointed the security team secretary.
The following FreeBSD releases are supported by the FreeBSD Security
Team: FreeBSD 4.11, FreeBSD 5.5, FreeBSD 6.0, FreeBSD 6.1, and FreeBSD
6.2. The respective End of Life dates of supported releases are listed
on the web site; of particular note, FreeBSD 4.11 and FreeBSD 6.0 will
cease to be supported at the end of January 2007.
_________________________________________________________________
FreeBSD/powerpc on Freescale MPC8555
Contact: Rafal Jaworowski <raj@semihalf.com>
Contact: Marcel Moolenaar <xcllnt@mac.com>
Platform summary:
* PowerQuiccIII integrated controller
* e500 CPU core
* compliant with PowerPC BookE specification (significantly
different from the 'traditional' PowerPC architecture the current
FreeBSD/powerpc supports, particularly in the areas of MMU design,
exceptions model, specific e500 machine instructions etc.)
Currently the machine is booting FreeBSD 6.1-RELEASE-p10 and operating
both single- and multi-user modes; below are highlights of available
functionality:
1. Low-level support
2.
+ booting from U-Boot bootloader
+ locore machine initialization
+ e500 exceptions
+ VM: a new pmap module developed
3. On-chip peripherals
4.
+ introduced ocpbus hierarchy (nexus and descendants)
+ interrupt controller: using generic OpenPIC driver
+ serial console: using uart(4) driver
+ barebones serial support using the QUICC's SCC
+ host/PCI bridge: a new driver developed for the built-in
bridge
+ networking: a new driver developed for TSEC (3-speed
Ethernet)
5. Booting
6.
+ from ATA disk and USB memory stick (both through a secondary
PCI VIA82C686B controller)
+ from network (NFS-mounted rootfs)
7. Basic TCP/IP protocols and apps work (DHCP, NFS, SSH, FTP, Telnet
etc.)
8. Userland
9.
+ integrated SoftFloat emulation lib (required due to e500 not
being equipped with the old-style PowerPC FPU)
+ almost all applications seem to work
Open tasks:
1. Work out extensible layout for sys/powerpc architecture directory
so we can easily add support for new core variations and platforms
to come in the future.
2. Integrate with FreeBSD source tree.
3. Release and tinderbox related options and settings.
_________________________________________________________________
FreeSBIE
URL: http://www.FreeSBIE.org
URL: http://users.gufi.org/~rionda/20relnotes/
URL: http://users.gufi.org/~rionda/20screen/
Contact: Matteo Riondato <matteo@FreeBSD.org>
Contact: FreeSBIE Staff <staff@FreeSBIE.org>
Contact: FreeSBIE Mailing List <freesbie@gufi.org>
FreeSBIE is approaching the 2.0-RELEASE. The first release candidate
proved to be good enough but a second one will probably be released.
An external developer is working on integrating BSDInstaller in
FreeSBIE 2.0 and this may cause a little delay of the release date.
Release Notes were written and need to be updated with the current
list of packages. A script which allows to switch Tor+Privoxy on and
off was added and its usage was documented. The 2.0-RELEASE is near,
hopefully near the end of January but this will also depend on when
FreeBSD 6.2-RELEASE will be released.
_________________________________________________________________
FreshPorts
URL: http://www.freshports.org/
URL: http://news.freshports.org/
Contact: Dan Langille <dan@langille.org>
There have been a number of improvements to FreshPorts over the last
quarter of 2006. The following are just a few of them. The links take
you to the relevant article within the FreshPorts News website .
* Better pagination of larger result sets
* Listing of sanity test failures
* Inclusion of latest vulnerabilities on the front page
* Started working on adding tools to make FreshSource/FreshPorts
more useful as a developer tool
* The new dual opteron server has been deployed!
My thanks to the many people who have contributed suggestions, ideas,
and code over the years. Most of you are documented at the above URLs.
Open tasks:
1. FreshPorts/FreshSource as a developer tool
_________________________________________________________________
GEOM Multipath
Contact: Matthew Jacob <mjacob@FreeBSD.org>
A toy implementation of GEOM based active/passive multipath is now
done and in a perforce repository. Seems to work.
_________________________________________________________________
Hungarian Translation of the Webpages
URL: http://www.FreeBSD.org/hu/
Contact: G?bor K?vesd?n <gabor@FreeBSD.org>
Contact: Giorgos Keramidas <keramida@FreeBSD.org>
G?bor K?vesd?n (gabor@) has submitted the Hungarian translation of the
webpages and Giorgos Keramidas (keramida@) has reviewed and committed
the pages. The initial rendering issues have also been fixed and the
webpage is in a pretty good shape now.
As usual, this translation does not contain every part of the English
version, but the most important and useful parts are there. G?bor will
maintain this translation and regularly sync the content with the
English version and add new translations if such become available.
Open tasks:
1. Fix typos and mistakes that will be revealed after a deeper review
by the public
2. Get more people involved
_________________________________________________________________
Intel 3945ABG Wireless LAN Driver: wpi
URL:
http://perforce.FreeBSD.org/depotTreeBrowser.cgi?FSPC=//depot/user/ben
jsc/wpi
URL: http://www.clearchain.com/wiki/wpi
Contact: Benjamin Close <benjsc@FreeBSD.org>
An initial port of the NetBSD wpi driver has been done and development
is happening fast to get this driver ready for the tree. At present
basic functionality works. The driver can associate with a non
encrypted peer and pass data in 11b and 11g modes. There is still lots
to do and testing is welcome.
Many thanks have to go to Sam, Max and Kip for helping the driver
reach this point.
Open tasks:
1. Solve bus dma alignment issues
2. Support WEP and WPA
3. Testing and more testing
_________________________________________________________________
Interrupt Filtering
URL: http://wikitest.FreeBSD.org/Interrupts
Contact: Paolo Pisati <piso@FreeBSD.org>
Contact: John Baldwin <jhb@FreeBSD.org>
Contact: Scott Long <scottl@FreeBSD.org>
Interrupt filtering is a new method to handle interrupts in FreeBSD
that retains backward compatibility with the previous models (FAST and
ITHREAD), while improving over them in some aspects. With interrupt
filtering, the interrupt handler is divided into 2 parts: the filter
(that checks if the actual interrupt belongs to a device) and a
private per-handler ithread (that is scheduled in case some blocking
work has to be done). The main benefits of this work are:
* Feedback from filters (the operating system finally knows what's
the state of an event and can react consequently).
* Lower latency/overhead for shared interrupt line.
* Previous experiments with interrupt filtering showed an increase
in performance against the plain ithread model in some cases.
* General shrink of the machine dependent code - part of the
interrupting handling code was turned into machine independent
code.
During the last quarter many improvements were made up to the point
where 3 archs (i386, amd64 and arm) are reported to work, and the
project can be considered feature complete.
I definitely want to make it part of the 7.0 release.
Open tasks:
1. Define a road map to commit the code into the tree.
2. Rethink the interrupt stray handling (?!?!).
3. Finish off support for powerpc, sparc64 and ia64 (sun4v support is
known to be broken now).
_________________________________________________________________
ipfw NAT and libalias
Contact: Paolo Pisati <piso@FreeBSD.org>
Support for in-kernel NAT, redirect and LSNAT for ipfw was committed
to HEAD, and i encourage people to test it so we can quickly
discover/fix bugs.
To add these features to ipfw, compile a new kernel adding "options
IPFIREWALL_NAT" to your kernel config or, in case you use modules, add
"CFLAGS += -DIPFIREWALL_NAT" to your make.conf.
Open tasks:
1. Teach libalias to handle mbufs (this will fix TSO-capable NICs).
2. Add support for hardware checksum offloading.
_________________________________________________________________
iSCSI Initiator
URL: ftp://ftp.cs.huji.ac.il/users/danny/freebsd/iscsi-2.0.1.tar.bz2
Contact: Daniel Braniss <danny@cs.huji.ac.il>
Though it is still a work in progress, it now supports more targets,
has login CHAP authentication and header/data digest. It will also
recover from a lost connection - most of the time.
Open tasks:
1. instrumentation
2. task management support
3. improve the error recovery
_________________________________________________________________
Libelf
URL: http://wiki.FreeBSD.org/LibElf
URL: http://wiki.FreeBSD.org/PmcTools
URL: http://people.FreeBSD.org/~jkoshy/projects/perf-measurement/
Contact: Joseph Koshy <jkoshy@FreeBSD.org>
Libelf is a BSD-licensed library for ELF parsing & manipulation
implementing the SysV/SVR4 (g)ELF[3] API.
Current status: The library is now in -CURRENT. Work continues on its
test suite and tutorial, and on deploying it in PmcTools.
_________________________________________________________________
MPT LSI-Logic Host Adapters: mpt
Contact: Matthew Jacob <mjacob@FreeBSD.org>
The 'mpt' project is support for the MPT LSI-Logic Host Adapters
(SCSI, Fibre Channel, SAS).
The last quarter saw a lot of change supported by Yahoo! and LSI-Logic
and many others as things settled out for better support for U320.
Some initial Big Endian support was offered by John Birrel and Scott
Long.
Open tasks:
1. Finish SAS Integrated RAID support.
2. Try and get U320 RAID working better than it currently does.
3. Finish Big Endian support, including that for target mode.
_________________________________________________________________
Multi-link PPP daemon (MPD)
URL: http://sourceforge.net/projects/mpd/
URL:
http://mpd.cvs.sourceforge.net/*checkout*/mpd/mpd/doc/changes.sgml
Contact: Alexander Motin <mav@alkar.net>
Contact: Archie Cobbs <archie@FreeBSD.org>
MPD is moving to the next major release - mpd4_0. At the end of
October one more beta version (4_0b5) was released and first RC is
planned soon.
Since 3_18 and 4_0b4 numerous bugs and cases of incorrect internal
handling have been fixed. Performance has been increased and system
requirements reduced.
Many new features have been implemented:
* IPv6 support
* NAT (using the ng_nat(4) node)
* integrated web server
* Deflate and Predictor-1 CCP compression
Some historically broken features have been reimplemented:
* TCP and UDP link types
* CCP compression
* ECP encryption
To support compression, two new Netgraph nodes ng_deflate and ng_pred1
have been created and the ng_ppp node has been modified.
Open tasks:
1. ng_ppp node refactoring.
2. Implement packet loss notification in related Netgraph nodes
(ng_ppp, ng_pptp, ng_async, ng_deflate, ng_pred1, ng_vjc, ...) to
reduce recovery time and probability of incorrect packet
decompression.
3. MPD auth subsystem refactoring.
_________________________________________________________________
Network Stack Virtualization
URL: http://imunes.tel.fer.hr/virtnet/
Contact: Marko Zec <zec@fer.hr>
The network stack virtualization project aims at extending the FreeBSD
kernel to maintain multiple independent instances of networking state.
This will allow for complete networking independence between jails on
a system, including giving each jail its own firewall, virtual network
interfaces, rate limiting, routing tables, and IPSEC configuration.
The prototype currently virtualizes the basic INET and INET6 kernel
structures and subsystems, including the TCP machinery and the IPFW
firewall. The focus is currently being kept on resolving bugs and
sporadic lockups, and defining the internal and management APIs. It is
expected that within the next month the code will become sufficiently
complete and stable for testing by early adopters.
_________________________________________________________________
New USB Stack
URL:
http://perforce.freebsd.org/depotTreeBrowser.cgi?FSPC=//depot/projects
/usb/src/sys/dev/usb
URL: http://www.turbocat.net/~hselasky/usb4bsd
Contact: Hans Petter Sirevaag Selasky <hselasky@FreeBSD.org>
During the last three months there has not been so much activity in
the USB project. Some regression issues have been reported and fixed.
Bernd Walter reports that he has got the new USB stack working on ARM
processors with some minor tweaks. Markus Brueffer reports that he is
working on the USB HID parser and support. A current issue with the
new USB stack is that the EHCI driver does not work on the Sparc64
architecture. If someone has got a Sparc64 with FreeBSD 7-CURRENT on
and can lend the USB project the root password, a serial console and a
USB test device, for example a USB memory stick, that would be much
appreciated. Another unresolved issue is that the ural(4) USB device
driver does not always work. This is currently being worked on.
If you want to test the new USB stack, check out the USB perforce tree
or download the SVN version of the USB driver from my USB homepage. At
the moment the tarballs are a little out of date.
Ideas and comments with regard to the new USB API are welcome at
freebsd-usb@FreeBSD.org .
_________________________________________________________________
Past and Future PR Closing Events
URL: http://wikitest.freebsd.org/Bugathons
Contact: Florent Thoumie <flz@FreeBSD.org>
Following the example of our NetBSD friends, we organized a couple of
Bugathons to help decreasing the open PR count. At first, it was
decided to make it a monthly event focused on both src, ports and doc.
Audience decreased with each Bugathon organized and less non-ports
committers attended the events. So from now on, we will focus on ports
(making it a Portathon) and organize a new event after the end of each
ports freeze (that should be twice a year, at most).
_________________________________________________________________
Porting ZFS to FreeBSD
URL:
http://perforce.FreeBSD.org/depotTreeBrowser.cgi?FSPC=//depot/user/pjd
/zfs
URL: http://www.opensolaris.org/os/community/zfs/porting/
URL: http://docs.FreeBSD.org/cgi/mid.cgi?20060822104516.GB16033
Contact: Pawel Jakub Dawidek <pjd@FreeBSD.org>
The ZFS file system works quite well on FreeBSD now. The first
patchset has already been published on the freebsd-fs@FreeBSD.org
mailing list .
All file system methods are already implemented (except ACL-related).
Basically all stress tests I tried work, even under very high load.
There is still a problem with memory allocation, which can get out of
control, but from what I know the SUN guys also work on this.
Recently I have been working on a file system regression test suite.
From what I found, there are no such test suites for free. I've
already more than 3000 tests and I'm testing correctness of most file
system related syscalls (chflags, chmod, chown, link, mkdir, mkfifo,
open, rename, rmdir, symlink, truncate, unlink). I'm also working to
make it usable on other operating systems (like Solaris, where it
already works and Linux).
Few days ago I also (almost) finished NFS support. You can't use the
'zfs share' command yet, but you can export file systems via
/etc/exports and you can also access snapshots. It was quite hard,
because snapshots are separate file systems and after exporting the
main file system, we need to also serve data from snapshots under it.
The one big thing which is missing is ACL support. This is not an easy
task, because we first have to make some decisions. Currently we use
POSIX ACLs in our UFS, but the market is moving slowly to
NTFS/NFSv4-type ACLs. In Solaris they use POSIX ACLs for UFS and
NFSv4-type ACLs for ZFS and we probably also want to use NFSv4-type
ACLs in our ZFS, which requires some work outside ZFS.
_________________________________________________________________
Ports Collection
URL: http://www.FreeBSD.org/ports/
URL:
http://www.FreeBSD.org/doc/en_US.ISO8859-1/articles/contributing-ports
/
URL: http://people.FreeBSD.org/~fenner/portsurvey/
URL: http://portsmon.FreeBSD.org/index.html
URL: http://www.FreeBSD.org/portmgr/index.html
URL: http://tinderbox.marcuscom.com
Contact: Mark Linimon <linimon@FreeBSD.org>
The ports count has jumped to 16347. The PR count, despite a jump, has
gone back down to around 700.
Not much work has been committed on the ports infrastructure due to
the long 6.2 release cycle. However, many test runs have been done for
several upcoming features, such as making sure that ports will work
with the new release of gcc (4.1), and do not have /usr/X11R6
hard-coded into them. The intention of the latter is to move all ports
to $LOCALBASE, which can then be selected by the user. This should
help consistency going forwards, albeit at the cost of a one-time
conversion.
GNOME was updated to 2.16 during the release cycle.
In addition, we are in the process of moving the FORTRAN default from
f77 to gfortran. See the ports mailing list for details.
The new xorg ports are still being worked on as well; they are
intended to all live in $LOCALBASE. Hopefully this can get done in the
early 6.3 development cycle. See the wiki for more information.
A new version of the ports Tinderbox code is available, which is
mostly a bugfix release.
We have also added Pav Lucistnik as a new portmgr member, who we hope
will help us work on the portmgr PR backlog. Welcome!
We have also added 8 new committers since the last report.
linimon continues to work on resetting committers who are no longer
interested in their ports; as well, several ports commit bits have
been stored for safekeeping. This is part of an attempt to keep the
best match between volunteers and work to be done.
Open tasks:
1. Most of the remaining ports PRs are "existing port/PR assigned to
committer". Although the maintainer-timeout policy is helping to
keep the backlog down, we are going to need to do more to get the
ports in the shape they really need to be in.
2. Although we have added many maintainers, we still have many
unmaintained ports. As well, the packages on amd64 and sparc64 are
lagging behind.
_________________________________________________________________
QLogic SCSI and Fibre Channel: isp
Contact: Matthew Jacob <mjacob@FreeBSD.org>
This project is for support for QLogic SCSI and Fibre Channel host
adapters.
The last quarter saw the addition of 4Gb Fibre Channel support and a
complete rewrite of fabric management (which is still settling out).
_________________________________________________________________
Release Engineering
URL: http://www.FreeBSD.org/releng/
URL: http://www.FreeBSD.org/releases/6.2R/announce.html
URL: http://www.FreeBSD.org/snapshots/
Contact: Release Engineering Team <re@FreeBSD.org>
The recent activities of the Release Engineering team have centered
around FreeBSD 6.2-RELEASE, which is now available for downloading.
This is the latest release from the RELENG_6 branch, and includes many
new performance and stability improvements, bug fixes, and new
features. The release notes and errata notes for FreeBSD 6.2 contain
more specific information about what's new in this version. We thank
the FreeBSD developer and user community for their efforts towards
making this release possible.
The Release Engineering Team also produced snapshots of FreeBSD
CURRENT in November 2006 and January 2007. These snapshots have not
received extensive testing, and should not be used in production
environments. However, they can be used for testing or
experimentation, and show the kinds of functionality that can be
expected in future FreeBSD releases.
_________________________________________________________________
Sound Subsystem Improvements
URL: http://people.FreeBSD.org/~ariff/
URL: http://www.FreeBSD.org/projects/ideas/
URL: http://wiki.FreeBSD.org/soundsystem
Contact: Ariff Abdullah <ariff@FreeBSD.org>
Contact: Alexander Leidinger <netchild@FreeBSD.org>
Contact: Multimedia Mailinglist <multimedia@FreeBSD.org>
Since the last status report there were improvements to the emu10kx
driver for High Definition Audio (HDA) compatible chips. Some more
chips are supported now and already supported chips should provide a
better zero-configuration experience.
The generic sound code got some very nice low latency changes, and
fixes which make it multichannel/endian/format safe. We do not support
multichannel operation yet, but this work is a prerequisite to work on
implementing multichannel operation. This work also fixed some bugs
which people may experience as clicks, hickups, truncation or similar
behavior in the sound-output.
So far there is no merge to 5.x or 6.x planned for this code,
especially because there are API/ABI changes, e.g., several sysctls
changed. People who do not care about this can download binary sound
modules from Ariff's download page for 6.x and 5.x.
We thank all people who tested the changes / submitted patches and
thus helped improving the sound system.
Open tasks:
1. Have a look at the sound related entries on the ideas list.
2. Add multichannel support.
3. sndctl(1): tool to control non-mixer parts of the sound system
(e.g. spdif switching, virtual-3D effects) by a user (instead of
the sysctl approach in -CURRENT); pcmplay(1), pcmrec(1),
pcmutil(1).
4. Plugable FEEDER infrastructure. For ease of debugging various
feeder stuff and/or as userland library and test suite.
5. Extend the wiki page.
_________________________________________________________________
The FreeBSD Dutch Documentation Project
URL: http://www.FreeBSD.org/doc/nl/books/handbook
URL: http://www.evilcoder.org/content/section/6/39/
URL: http://www.FreeBSD-nl.org/doc/nl/
URL: http://www.FreeBSD-nl.org/www/
Contact: Remko Lodder <remko@FreeBSD.org>
The FreeBSD Dutch Documentation Project is an ongoing project to
translate the FreeBSD Handbook to the Dutch Language.
Currently we almost translated the entire handbook, and we translated
parts of the website, sadly the project went into a slush lately, so
we seek out for fresh and new translators that are willing to join the
team to continue the effort.
Open tasks:
1. Translate the rest of the handbook
2. Make the documentation up to date
3. Translate the rest of the website
_________________________________________________________________
The FreeBSD Foundation
URL: http://www.FreeBSDFoundation.org
Contact: Deb Goodkin <deb@FreeBSD.org>
The FreeBSD Foundation ended 2006 raising over $100,000. We received
commitments for another $55,000 in donations for the Fall Fundraiser.
We fell short of our goal of raising $200,000. But, we are working
hard to fill this gap, early in 2007, so we can continue with the same
level of support for the project and community. Please go to
http://www.freebsdfoundation.org/donate/ to find out how to make a
donation to the foundation.
We added a donors page to our website to acknowledge our generous
donors. We negotiated and are now actively managing a joint technology
project with NLNet and the University of Zagreb to develop virtualized
network stack support for FreeBSD. We sponsored AsiaBSDCon and are now
accepting travel grant applications for this conference.
We are working to upgrade the project's network testbed with 10Gigabit
interconnects. Cisco has generously donated a 10Gigabit switch and we
have received network adapters from Myricom, Neterion, Intel, and
Chelsio. Adapters from other vendors are being solicited so that we
can do interoperability testing.
For more information on what we've been up to, check out our
end-of-year newsletter at
http://www.freebsdfoundation.org/press/2006Dec-newsletter.shtml .
_________________________________________________________________
TrustedBSD Audit
URL: http://www.TrustedBSD.org/audit.html
URL: http://www.OpenBSM.org/
Contact: Robert Watson <rwatson@FreeBSD.org>
Contact: Christian Peron <csjp@FreeBSD.org>
Contact: Wayne Salamon <wsalamon@FreeBSD.org>
FreeBSD 6.2-RELEASE, the first release of FreeBSD with experimental
audit support is now available. The plan is to make audit a full
production feature as of FreeBSD 6.3-RELEASE, with "options AUDIT"
compiled in by default. A TODO list has been posted to
trustedbsd-audit.
OpenBSM 1.0 alpha 13, which includes support for XML record printing,
additional 64-bit token types, additional audit events, and more
cross-platform build support, has been released. OpenBSM 1.0 alpha 14,
which adds support for warnings clean building with gcc 4.1, will be
released shortly. The new OpenBSM release will be merged to FreeBSD
CVS in late January or early February.
Open tasks:
1. Complete assignment of audit events to non-native and a few
remaining native system calls. Add additional system call argument
auditing.
2. Merge MAC Framework hooks allowing MAC modules to control access
to kernel audit services. Refine and merge MAC labeling support in
audit, including support for MAC annotations in the audit trail.
3. Complete pass through user space services adding audit support to
system management tools (and ftpd). Work with third party software
maintainers to add audit support for applications like
xdm/kdm/gdm.
4. Merge latest OpenBSM, including XML output support.
_________________________________________________________________
TrustedBSD MAC Framework
URL: http://www.TrustedBSD.org/mac.html
Contact: Robert Watson <rwatson@FreeBSD.org>
Contact: <trustedbsd-discuss@TrustedBSD.org>
Most work on the MAC Framework during this period, other than as
relates to the priv(9) project described in a separate status report,
has been in refinement of the structure of the framework.
* Add two new entry points allowing MAC Framework policy modules to
grant or limit fine-grained system privileges.
* A sample mac_priv(4) policy module has been created demonstrating
how a MAC Framework policy module can grant specific system
privileges to specific users.
* Commenting throughout the MAC Framework significantly extended.
* Correct a bug in which the original ifnet label was copied to user
space via ioctl, rather than the thread-local copy.
* mac_enforce_subsystem debugging sysctls removed, as some policies
rely on access control checks being called even when non-enforcing
(specifically, information flow related policies).
* Break out mac.h include file into mac.h (user API, system calls)
and mac_framework.h (in-kernel interface to the MAC Framework).
Move non-user MAC include files from src/sys to
src/sys/security/mac. Move and break out kern_mac.c into
mac_framework.c and mac_syscalls.c. The MAC Framework is now
entirely located in src/sys/security/mac.
* Export the MAC Framework version via a read-only sysctl and
provide a #define version usable by policies.
* MAC Framework locking optimized to optimistically expect no write
lock contention during read locking.
Open tasks:
1. Now that the MAC Framework has been fully moved to
src/sys/security/mac, embark on the 'mac2' interface cleanup, in
which many MAC Framework entry points are renamed for consistency.
This will require most MAC Framework policy modules to be modified
between FreeBSD 6.x and FreeBSD 7.x, although in a way that can be
largely done using sed.
2. Add accessor functions for policies retrieving per-policy label
data from labels, so that policy modules do not compile in the
binary layout of struct label. This will allow future optimization
of the label layout.
3. Complete integration of audit and MAC support, allowing MAC policy
modules to control access to audit interfaces, and allowing them
to annotate audit records.
_________________________________________________________________
TrustedBSD priv(9)
URL: http://www.TrustedBSD.org/
Contact: Robert Watson <rwatson@FreeBSD.org>
TrustedBSD priv(9) replaces suser(9) as an in-kernel interface for
checking privilege in FreeBSD 7.x. Each privilege check now takes a
specific named privilege. This allows both centralization of jail
logic relating to privilege, which is currently distributed around the
kernel at the point of each call to suser(9), and allows
instrumentation of the privilege logic by the MAC Framework. Two new
MAC Framework entry points, one to grant and the other to limit
privilege, are now available, providing fine-grained control of kernel
privilege by policy modules. This lays the kernel infrastructure
groundwork for further refinement and extension of the kernel
privilege model. The priv(9) implementation has been committed to
FreeBSD 7-CURRENT.
This software was developed by Robert N. M. Watson for the TrustedBSD
Project under contract to nCircle Network Security, Inc.
Open tasks:
1. Complete review of kernel privilege checks, removal of suser(9)
jail flag now that checks are centralized.
2. Explore possible changes to kernel privilege model along lines of
POSIX.1e privileges, the Solaris privilege interface, etc. This
has been explored previously as part of the TrustedBSD
Capabilities project also.
_________________________________________________________________
Update of the Linux Compatibility Environment in the Kernel
URL: http://wiki.FreeBSD.org/linux-kernel
Contact: Alexander Leidinger <netchild@FreeBSD.org>
Contact: Roman Divacky <rdivacky@FreeBSD.org>
Contact: Emulation Mailinglist <emulation@FreeBSD.org>
Since the last status report we made good progress in improving the
compatibility environment. We fixed more than 30 testcases on i386
(130 testcases = 16% still failing) and more than 60 testcases on
amd64 (140 testcases = 17% still failing) in the Linux 2.4
compatibility. These numbers compare FreeBSD 6.2 with -CURRENT. Some
of those fixes are edge cases in the error handling, and some of them
fix real issues -- e.g. hangs -- and improve the stability and
correctness of the emulation.
Regarding the Linux 2.6 compatibility there are 140 testcases (17%) on
i386 and 150 testcases (18%) on amd64 still failing in -CURRENT. After
fixing some showstopper problems with real applications, we should be
able to give the 2.6 emulation a more widespread exposure "soon" to
find more bugs and to determine the importance of those Linux syscalls
which we did not implement yet.
The severity of the broken testcases varies, and some of them will
never be fixed, e.g., we will never be able to load Linux kernel
modules into a FreeBSD kernel, being able to add swap with a Linux
command has very low priority, and fixing stuff which is used by
applications like IPC type 17 has high priority.
Some differences in the 2.6 compatibility are because not all i386
changes are merged into the amd64 code, and some testcases are already
fixed in our perforce repository but need more review before they can
be committed to -CURRENT.
We need some more testers and bug reporters. So if you have a little
bit of time and a favorite Linux application, please play around with
it on -CURRENT. If there is a problem, have a look at the wiki if we
already know about it and report on emulation@ . We are especially
interested in reports about the 2.6 compatibility (sysctl
compat.linux.osversion=2.6.16), but only with the most recent -CURRENT
and maybe with some patches we have in the perforce repository
(mandatory on amd64).
We thank all people who tested the changes / submitted patches and
thus helped improving the Linux compatibility environment.
_________________________________________________________________
Updating X.org FreeBSD Ports to 7.2
URL: http://xorg.freedesktop.org/
URL: http://git.xbsd.org/?p=freebsd/ports.git;a=shortlog;h=xorg
URL: http://blog.xbsd.org/
URL: http://lists.freebsd.org/pipermail/freebsd-x11/
Contact: Florent Thoumie <flz@FreeBSD.org>
Contact: Eric Anholt <anholt@FreeBSD.org>
Contact: Dejan Lesjak <lesi@FreeBSD.org>
X.org 7.2 release has been delayed more than a month, which gave us
more time to fix build failures, to work on a few runtime issues and
to determine the easiest way to upgrade from 6.9 to 7.2 (mostly with
the help of people on the freebsd-x11@ mailing list ). Everything is
in a rather good shape but there's still a little amount of work to
do. The merge of new ports is most likely to happen before the end of
January.
Open tasks:
1. Do a global review of the diff between the original tree and the
experimental one (git-diff origin xorg for git users)
2. Fix the remaining (9 I think, 3 being lang/jdk's) build errors
3. Continue testing
4. Do another experimental build on pointyhat
_________________________________________________________________
Wireless Networking
Contact: Sam Leffler <sam@errno.com>
Work on wireless support has continued to evolve in the public CVS
tree while other work has been going on behind the scenes in the
developer's perforce repository.
Support was recently added to HEAD for half- and quarter-rate channels
as found in the 4.9 GHz FCC Public Safety Band. This work was a
prerequisite to adding similar support in the 900 MHz band as found in
Ubiquiti's SR9 cards. Adding this functionality was straightforward
due to the design of the net80211 layer, requiring only some additions
to handle the unusual mapping between frequencies and IEEE channel
numbers. The ath(4) driver currently supports hardware capable of
operating on half- and quarter-rate channels.
Kip Macy recently made significant advances preparing legacy drivers
for the re-architected net80211 layer that has been languishing in
perforce. With his efforts this code is nearly ready for public
testing after which it can be merged into CVS. Our goal is to complete
this merge in time for the 7.x branch (otherwise it will be forced to
wait for 8.0 before it appears in a public release). This revised
net80211 layer includes advanced station mode facilities such as
background scanning and roaming and support for Atheros' SuperG
extensions. Getting the revised scanning work into CVS will greatly
simplify public distribution of the Virtual AP (VAP) code as a patch
as well as enable addition of 802.11n support.
Benjamin Close is working on support for the Intel 3945 parts commonly
found in laptops. The work is going on in the perforce repository with
public code drops for testing.
Atheros PCI/Cardbus support was updated with a new HAL that fixes a
few minor issues and corrects a problem that kept AR2424 parts from
working. The new HAL also enables more efficient use of the hardware
keycache for TKIP keys; on newer hardware you can now support up to 57
stations without faulting keys into the cache. Support for the latest
802.11n parts found in the new Lenovo and Apple laptops (among others)
is in development; initial release will support only legacy operation.
Support for Atheros USB devices is coming. Atheros has agreed to
license their firmware with the same license applied to the HAL which
means it can be committed to the tree and distributed as part of
releases. The driver is still in development.
wpa_supplicant and hostapd were updated to the latest stable build
releases from Jouni Malinen. Shortly the in-tree code base will switch
to the 0.5.x tree which will bring in much new functionality including
dynamic VLAN tagging that will be especially useful once the multi-bss
support is available.
The support for injection of raw 802.11 frames was committed to HEAD.
This work was done in collaboration with Andrea Bittau. At this point
there are no plans to commit this to the STABLE branch as it requires
API changes.
_________________________________________________________________
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