Linux STREAMS (LiS) -- history of user visible changes. 2007-06-24
$Id$
Copyright (c) 2001-2007 OpenSS7 Corporation.
Copyright (c) 1997-2000 Brian Bidulock
See the end for copying conditions (for this file).
The sections that follow provide information on OpenSS7 releases of the
Linux STREAMS (LiS) package.
Major changes for release LiS-2.18.6
-------------------------------------
This is an internal release of LiS. It is only available for download
by subscribers and sponsors of the OpenSS7 Project. There are too many
packages that cannot build against LiS due to its implementation
deficiencies.
Do not use this release (even if you are a subscriber or sponsor).
Port to Linux Fast-STREAMS. Do not report bugs on this release. The
OpenSS7 Project no longer actively maintains LiS.
Major features since the last public release are as follows:
- Support build on openSUSE 10.2.
- Support build on Fedora 7 with 2.6.21 kernel.
- Support build on CentOS 5.0 (RHEL5).
- Support build on Ubuntu 7.04.
- Updated to gettext 0.16.1.
- Changes to support build on 2.6.20-1.2307.fc5 and
2.6.20-1.2933.fc6 kernel.
- Supports build on Fedora Core 6.
- Support for recent distributions and tool chains.
Major changes for release LiS-2.18.5
-------------------------------------
This is an internal release of LiS. There are too many packages now
that cannot build against LiS because it is lacking fundamental
capabilities in the Stream head.
Do not use this release. Port to Linux Fast-STREAMS. Do not report
bugs on this release. (Yup, there are lots of 'em, but that's LiS.)
Major features since the last public release are as follows:
- Added versions to all exported symbols. Made LiS functions GPL
export.
- Improvements to the common build environment with better support
for standalone package builds on 2.4 kernels.
- Support for autoconf 2.61, automake 2.10 and gettext 0.16.
- Support for Ubuntu 6.10 distribution and bug fixes for i386 kenels.
Major changes for release LiS-2.18.4
-------------------------------------
This is the final release of LiS. There are too many packages now that
cannot build against LiS because it is lacking fundamental capabilities
in the Stream head.
This release builds both 32-bit compatibility and 64-bit native
libraries and functions on 64-bit architectures. One of the major
reasons for doing this for LiS was to demonstrate its sad lack of
ability to sustain any form of 32-bit compatibility on most 64-bit
architectures. Test suites now run first 64-bit native and then 32-bit
compatibility tests to demonstrate LiS' dismal failure in this regard.
Do not use this release. Port to Linux Fast-STREAMS. Do not report
bugs on this release. (Yup, there are lots of 'em, but that's LiS.)
Major features since the last public release are as follows:
- Support for most recent 2.6.18 kernels (including Fedora Core 5
with inode diet patchset).
- Added `send-pr' scripts for automatic problem report generation.
(Please do not report bugs on LiS.)
- Added `--disable-devel' `configure' option to suppress building
and installing development environment. This feature is for
embedded or pure runtime targets that do not need the development
environment (static libraries, manual pages, documentation).
- Corrected start of assignment of major devices numbers (back to
230).
- Improved compiler flag generation and optimizations for recent
`gcc' compilers and some idiosyncratic behaviour for some
distributions (primarily SUSE).
- Optimized compilation is now available also for user level
programs in addition to kernel programs. Added new
`--with-optimize' option to `configure' to accomplish this.
- Better detection of SUSE distributions, release numbers and SLES
distributions: support for additional `SuSE' distributions on
`ix86' as well as `x86_64'. Added distribution support includes
`SLES 9', `SLES 9 SP2', `SLES 9 SP3', `SLES 10', `SuSE 10.1'.
- Many documentation updates for all OpenSS7 packages. Automated
release file generation making for vastly improved and timely text
documentation present in the release directory.
- Bug fixes to STREAMS library for proper asynchronous thread
cancellation handling. Versions for all library symbols.
- Now builds 32-bit compatibility libraries and tests them against
64-bit kernel modules and drivers. The `make installcheck' target
will now automatically test both 64-bit native and 32-bit
compatibility versions, one after the other, on 64-bit platforms.
- The package will now build doxygen(1) html documentation with the
'doxy' make target. See 'make help' or README-make in the
distribution for more information.
Major changes for release LiS-2.18.4.rc3
-----------------------------------------
Third release candidate.
LiS is really not supported any longer. Use Linux Fast-STREAMS instead.
The purpose of this release is to demonstrate the inability of the
LiS package to properly support 32-bit compatibility on 64-bit
architectures.
- Minor bug fixes to STREAMS library. isastream(3) and fattach(3)
must not contain an asynchronous thread cancellation point, but
they could. Added asynchronous thread cancellation protection to
these functions to remove any thread cancellation points.
- The package will now build doxygen(1) html documentation with the
'doxy' make target. See 'make help' or README-make in the
distribution for more information.
- Now builds 32-bit compatibility libraries and tests them against
64-bit kernel modules and drivers. The `make installcheck' target
will now automatically test both 64-bit native and 32-bit
compatibility versions, one after the other, on 64-bit platforms.
- Added versions for all library symbols.
- Automated release file generation making for vastly improved and
timely text documentation present in the release directory.
- Many documentation updates for all OpenSS7 packages.
- This release candidate includes the changes made to the strsctp
drivers at the `2006 SCTP Interop' at the `University of British
Columbia'. This version was interoperability tested with all
implementations present.
- This release candidate provides support for additional `SuSE'
distributions on `ix86' as well as `x86_64'. Added distribution
support includes `SLES 9', `SLES 9 SP2', `SLES 9 SP3', `SLES 10',
`SuSE 10.1'.
- Better detection of SUSE distributions, release numbers and SLES
distributions.
- Optimized compilation is now available also for user level
programs in addition to kernel programs. Added new
`--with-optimize' option to `configure' to accomplish this.
- Improved compiler flag generation and optimizations for recent
`gcc' compilers and some idiosyncratic behaviour for some
distributions (primarily SUSE):
- Remove `-fno-reorder-blocks' and `-fno-reorder-functions' options
added by some recent 2.6 `Makefile's for `x86_64' architecture:
it impedes performance optimizations.
- Remove `-ffunction-sections' option added by some recent 2.6
`Makefile's for `x86_64' architecture: this is an insane option
and should never have been used.
- Add `-ffreestanding' that some older 2.6 `Makefile's (such as
that with `SLES 9 2.6.5' kernel) neglect to add to the `gcc'
command line.
- `SLES 10' expands the directory before `autoconf.h' on the `gcc'
command line for some reason. `configure' script watches out for
this now.
- Updated `init' scripts for proper addition and removal of modules.
- Start assigning majors at major device number 231 instead of major
device number 230. Assign major device number 230 explicitly to
the clone device.
- `Linux Fast-STREAMS' now supports expanded addressable minor device
numbers, permitting 2^16 addressable minor devices per major
device number on 2.6 kernels: `LiS' cannot support this change.
This was an internal alpha test release candidate and was not released
publicly. This release was only available to subscribers to and
sponsors of the OpenSS7 Project.
Major changes for release LiS-2.18.4.rc2
-----------------------------------------
Second release candidate.
- Added `--enable-devel' `configure' option for embedded targets.
- Added `send-pr' script for automatic problem report generation.
This was an internal alpha test release candidate and was not released
publicly. This release was only available to subscribers to and
sponsors of the OpenSS7 Project.
Major changes for release LiS-2.18.4rc1
----------------------------------------
First release candidate.
This was an internal alpha test release candidate and was not released
publicly. This release was only available to subscribers to and
sponsors of the OpenSS7 Project.
Major changes for release LiS-2.18.3
-------------------------------------
Corrections for and testing of 64-bit clean compile and test runs on
x86_64 architecture. Some bug corrections resulting from gcc 4.0.2
compiler warnings.
Corrected build flags for Gentoo and 2.6.15 kernels as reported on
mailing list. Builds on FC4 2.6.15 kernel and with gcc 4.0.2.
Added in many of Paul's 64-bit corrections.
The `Linux STREAMS (LiS) 2.18.3' is still largely unusable on 64-bit or
SMP kernels. Linux STREAMS (LiS) package is deprecated. Do not use it.
The package contains many unresovled bugs. Use `Linux Fast-STREAMS'
instead.
Major changes for release LiS-2.18.2
-------------------------------------
Cross-build support for newer `NexusWare' releases. Build support for
(recent FC4) 2.6.14 kernel. Corrected installation support (init
scripts) for SuSE 9.2.
Binary compatibility backward compatible to GCOM 2.18.0 included. This
includes exported symbols changed to not generate version symbols on 2.4
kernels. Also, exported symbols are always compiled
`attribute((regparm(0)))' on regparm capable architectures, regardless
of the kernel version or compile options.(1) For actual binary
compatibility packaging, see the `strcompat' package.
A major change for 2.18.2 is the port-back of POSIX/SUSv3 XSR/XSI
conformance test suites and performance programs from Linux
Fast-STREAMS. The purpose of porting back theses tests suites and
supporting modules and drivers is to provide the ability to do
comparison tests between LiS and Linux Fast-STREAMS.
Another change is a module unloading safe vstrlog hook register and
unregister functions register_strlog() and unregister_strlog().
Some bug corrections and fixes for glaring SMP errors reported by
Kutluck.
This might be the last OpenSS7 release of "Linux STREAMS (LiS)". You
should seriously consider using the Linux Fast-STREAMS package
(streams-0.7a.4 or later) instead. If you need compatibility to LiS
(or other STREAMS implementation), investigate the strcompat package,
which provides some binary compatibility to LiS under Linux Fast
STREAMS.
---------- Footnotes ----------
(1) Regparm capable architectures are really just `__i386__' and
similar such as `__x86_64__' and `k8'.
Major changes for release LiS-2.18.1
-------------------------------------
Initial autoconf/RPM packaging of the `LiS' release.
This is a port forward of most of the build and patches from 2.16.19
forward and applied over 2.18.0. This is our first LiS-2.18 release.
All further development on 2.16.19 will now cease. 2.18.1 is
maintained on both 2.4 and 2.6 kernels. No active development will be
performed on 2.18.1, only maintenance. For an active development
release, see the Linux Fast-STREAMS releases.
Major changes from LiS-2.18.0 include all of the autoconf build system,
manual pages and texi/pdf manual for LiS that were applied on the
2.16.19 release. This includes a number of 64 bit, HPPA, PARISC,
printf, atomic stats, HZ calculations for 64bit machines, DMA patch for
mblk buffer alignment, flush handling patch, panic patch, smp patch,
parisc syscall patch, appq patch, and multi-threaded test program
patches, POSIX threads compliant library functions.
Additional changes made to support later 2.6 kernels and distributions.
Switched putpmsg()/getpmsg() to use ioctl for system call emulation
instead of read()/write(), primarily because 2.6.11 kernels check for a
valid count before calling the driver's read()/write() file operations.
Updates to the build system to support a wider range of kernels and
distributions. See the installation and reference manual for a
complete list of supported kernels and distributions.
Please note that the entire package is released under GPL.
Major changes for release LiS-2.16.19
--------------------------------------
Not publicly released.
Major changes for release LiS-2.16.18-22
-----------------------------------------
Replaced m4 and automake files with common equivalents. This allows
the same set of m4 macros and automake fragments to be used with all of
the OpenSS7 release packages. Maintenance is easier as one correction
will propagate across all items. Performed similar function with
texinfo documentation pieces.
Major changes for release LiS-2.16.18-21
-----------------------------------------
Removed all XTI/TLI and Linux networking code, headers and
documentation from LiS distribution and bumped epoch to 2. Linux
networking code has been migrated to the *strxns*, *strxnet*, *strinet*
and *strsctp* packages. The purpose for doing this was to allow the
Linux networking to build against Linux Fast-STREAMS as well as
"Linux STREAMS (LiS)" and is a preparation for phasing out LiS and
phasing in LfS.
Added missing `configure.nexusware' to distribution. LiS cache options
now default to 'no' because of instabilities with timers.
Not publicly released.
Major changes for release LiS-2.16.18-20
-----------------------------------------
Minor corrections: made conflicting manpage `xti_sctp.3' dependent on
OpenSS7 SCTP kernel.
Not publicly released.
Major changes for release LiS-2.16.18-19
-----------------------------------------
Changes to compile, install and builds rpms for Fedora Core 1 (FC1),
Whitebox Enterprise Linux (WBEL) and RedHat Enterprise Linux 3 (EL3).
Included explicit epoch in internal dependencies in spec file for RPM
versions 4.2.1, 4.2.2 and higher. Added hugemem kernel detection and
moved getpmsg and putpmsg manual pages.
Correction to symbolic linking and system map file location during
non-rpm autoconf installation.
Correction to zero `maxlen' behaviour in `t_rcvconnect()'.
Major changes for release LiS-2.16.18-18
-----------------------------------------
Added check for `CONFIG_REGPARM', addition of `-mregparm=3' `CFLAGS',
addition of `regparm_' prefix for exported ksyms.
Minor corrections to separate build directory install of devices and
caching of detected ksyms.
Major changes for release LiS-2.16.18-17
-----------------------------------------
Added option `--disable-k-modversions' to suppress versions for LiS
exported symbols.
A couple of corrections to the build process reported by Gurol.
Changed order of build in `make rebuild' target to build tools last so
that the rpm debug package is built correctly on RH9.
Change `MODULE_PARM' to static so that `make install-strip' does not
strip module parameter symbols.
Added `lis_check_mem_region()', `lis_release_mem_region()' and
`lis_request_mem_region()' for memory mapped io instead of just io.
Added `printk' patches discussed on linux-stream mailing list. Added
gcc `printf' checking and corrected errors in LiS debugging `printk'
statements.
Added HP patches. There are a couple of questionable components in the
HP patches that I reversed. They include;
- modification of `lis_msgsize' to `lis_msgdsize'. This would change
the calculation of queue counts. Queue counts aren't `M_DATA'
counts, they are "data" message counts. LiS probably doesn't have
this the right way, but `lis_msgdsize' is not correct either.
- addition of `qi_mstat->ms_pcnt' increment on `lis_safe_putmsg'.
Same for `ms_scnt', `ms_ocnt', `ms_ccnt'. STREAMS is not supposed
to increment counts. It is the module writer's responsibility to
increment counts in their own queue procedures.
Added HP `ldl' patches.
Made modifications to `putq()', `putbq()', `insq()' and `appq()'
discussed on linux-streams mailing list. These do not free messages on
failure. Modified all occurrences internal to LiS to free the message
on error to ensure old behaviour.
Added HP dejagnu patches to `strtst' and added dejagnu testsuite
directory and file. Added the `make check' target. Use `DEJATOOLS' on
the make command line to invoke the tests, such as ``make
DEJATOOLS=strtst check'' to invoke the tests. Because a patched
`netperf' is not commonly available and `netperf' will not be
distributed with the package, GNU `autotest' might be a better choice.
But that's for a later release.
Major changes for release LiS-2.16.18-16
-----------------------------------------
General updates to the build process, optimization options, build
options. Corrected library linkage. Synced TLI modules and INET
driver to Linux Fast-STREAMS. Removed deadlock from INET driver and
loosened locking. Unfortunately suitable libraries must be installed
before distcheck will clear.
Smoother and more reliable stripping of kernel symbols, starts with
/proc/ksyms if applicable then System.map then modversions.h to attempt
to choose symbols most closely synced with an installed or running
kernel.
Improvements to autoconf installation of manpages (autocompressed now)
and info and pdf manuals are distributed. install-strip target will
actually properly strip kernel modules.
Included an option to build and install only kernel or user parts of
package to speed rpm rebuild process for multiple kernel. Added
`rebuild' target to rebuild the rpms from srpm for multiple kernel and
architectures. Added a `sign' and `resign' target to sign srpm and
rebuilt rpms respectively.
Greatly enhanced cross-build and cross-compile support, primarily in
support of the NexusWare embedded target. Added NexusWare helper
script and documentation. DESTDIR is now a blessed environment
variable used by configure to set the cross-build root as well as the
install root. Try adding -with-k-optimize='size' to configure to
optimize for size for embedded targets. Builds clean against
NexusWare24 (810p0674.10-rc4).
Added start of an option to build as linkable object for embedded
targets rather than loadable kernel module.
Major changes for release LiS-2.16.18-15
-----------------------------------------
Fixed several symbol errors that made -13 and -14 unusable. Corrected
error in calculation of kernel debug flags.
Major changes for release LiS-2.16.18-14
-----------------------------------------
A few more enhancements to the build process to work with autoconf 2.59.
Major changes for release LiS-2.16.18-13
-----------------------------------------
Enhanced build process for autoconf-2.59, automake-1.8.3,
gettext-0.14.1, and libtool-1.5.6.
Major changes for release LiS-2.16.18-12
-----------------------------------------
Added defaults for SK_WMEM_MAX and SK_RMEM_MAX for lastest 2.4.25 and
2.4.26 kernel builds.
Enhanced build process.
All kernel symbols exported by LiS have versions on kernels that have
versions on symbols. This makes it safer to compile kernel modules
against kernel/LiS combinations. This is in preparation for splitting
off the strxnet package, and the technique was imported from the Linux
Fast-STREAMS build.
Major changes for release LiS-2.16.18-11
-----------------------------------------
Ripped three additional kernel symbols in support of INET driver that
were missing in -10 release.
Major changes for release LiS-2.16.18-10
-----------------------------------------
Added support for cooked manpages both for non-rpm systems and for rpm
systems. It is still better to leave manpages uncooked for rpm releases
because they are much smaller that way. Give the -with-cooked-manpages
flag to configure if you want cooked manpages. You still need grefer
on the build system.
Updates to all manual pages in man7, and some others (xti) in man3.
Removed unused .macros and .refs files.
Moved automake fragments into separate directory. Cleaned up automake
fragments.
Rearranged header files in the xti subdirectory to install in LiS
package include directory instead. Reworked xti, tihdr and tiuser file
groups to include properly from kernel or user space independent of
order. tiuser and xti still cannot be included together. Added older
TLI interface that is still consistent with newer XTI
interface. Changed references in man pages to XTI/TLI instead of just
XTI.
Added ticlts.h, ticots.h and ticotsord.h header files. Updated dlpi.h
and npi.h header files. Removed sys/LiS/tpicommon.h because it is
largely replaced by sys/tli.h and sys/tpi.h. Removed the, now
redundant, xti header file subdirectory.
A series of bug fixes to xnet.c (libxnet) that resulted from
discussions with Gurol Akman on openss7-develop mailing list. Mostly
surrounding t_alloc and t_getinfo behaviour and the behaviour when NULL
pointers are passed to various XTI/TLI library calls. Updated xti
documentation as well.
Many changes to the inet.c INET driver. Wildcard IP addresses can now
be bound and wildcard addresses will be assigned with no address is
passed to most providers. (/dev/rawip still requires an address or
TNOADDR is returned.) Option management has been extensively rewritten
to closer conform to XNS documentation. Test programs test-inet_raw,
test-inet_udp, test-inet_tcp have been upgraded and converted to
multiple child processes. A number of fixes to SMP lock behaviour and
M_FLUSH have been added as reported by Dave Grothe. Corrected all
level and TBADOPT behaviour on negotiation.
Although this driver is now closer to expected behaviour, it has not
been tested for XNS 5.2 compliance, nor will it be until someone has
the time to extend the test programs to handle all test cases in a
similar manner as was done for the library. Your mileage many vary.
Remember, there is no warranty.
Major changes for release LiS-2.16.18-9
----------------------------------------
Changes primarily in support of builds on HPPA (PARISC) architectures.
LiS doesn't build too well on PARISC so some modifications where used
from the Linux Fast-STREAMS package to correct deficiencies. Better
building on recent 2.4 kernels (2.4.23, 2.4.24, 2.4.25) is also
provided.
Major changes for release LiS-2.16.18-8
----------------------------------------
Changes to permit better builds on recent RedHat kernels, and especially
kernel-2.4.20-30.9.
Major changes for release LiS-2.16.18-7
----------------------------------------
Fixed a module loading bug in LiS. Previously modules would not demand
load.
Major changes for release LiS-2.16.18-6
----------------------------------------
Fixed a possible null pointer dereference in libxnet. Corrected t_bind
to return TNOADDR instead of TBADADDR on wildcard bind attempt. Module
loading bug patched.
Major changes for release LiS-2.16.18-5
----------------------------------------
Fixes a t_open and t_bind problem in libxnet. Fixes alignment of data
portion of mblks. Adds (untested) ticots_ord, ticots and ticlts
devices over UNIX domain sockets.
Major changes for release LiS-2.16.18-4
----------------------------------------
Adds back in missing strms_up/down/status scripts to distribution and
install.
Major changes for release LiS-2.16.18-3
----------------------------------------
Not publicly released.
Major changes for release LiS-2.16.18-2
----------------------------------------
Not publicly released.
Major changes for release LiS-2.16.18-1
----------------------------------------
This OpenSS7 release of LiS-2.16.18 updates the previous LiS-2.16.16
rpm release to the latest LiS-2.16 release level.
Initial release LiS-2.16.16-1
------------------------------
This OpenSS7 release of LiS-2.16.16 includes autoconf for
configuration, complete manual pages and documentation, and packaging in
source and binary RPMs for ease and repeatability of installation. The
package also builds and installs properly versions LiS shared object
libraries.
Before the OpenSS7 release of LiS, it was necessary to have a
significant working knowledge of the Linux kernel, kernel source,
headers and other intricacies. This made it difficult to distribute
software based on LiS to users not proficient in those areas. The
OpenSS7 release removes the configuration and installation tasks from
the user and permits distribution of applications, modules and driver
software based on LiS to users without sufficient kernel expertise to
install the package.
This OpenSS7 release fixes few of the outstanding bugs and deficiencies
of the LiS software. This release is intended to package and
distribute LiS in an efficient manner and, for the most part, does not
address LiS deficiencies or errors.
This OpenSS7 release is compatible with Linux 2.4 kernels only and will
refuse to configure for older or newer kernels.
Following are the new features of the OpenSS7 release of LiS:
- adds configuration using the GNU tools, autoconf, automake and
autotest.
These tools greatly enhance the ability to maintain a repeatable
and testable release cycle as well as being compatible with most
major package managers such as Redhat's RPM.
- adds long options to all LiS utilities.
This change was necessitated because we use GNITS (the strictest
level) of configuration with autoconf that requires for
distribution checking that all utility programs support the
`--help' and `--version' long options without side-effects.
- provides a source and binary release mechanism using both autoconf
distributions as well as RedHat source and binary RPMs.
Use of the RPM mechanism for release permits add-on packages to
ensure that they have sufficient level of support and versions for
the LiS load during their build and installation process. It is
now also possible to ensure that add on binaries are compatible
with a loaded LiS during installation.
- includes a complete set of kernel programmer manual pages for all
LiS exported kernel functions for use by STREAMS module and driver
developers.
- includes a complete set of user manual pages for all libLiS
functions and separate administrative utilities.
- includes the OpenSS7 strinet driver providing XTI/TLI access to
the Linux native NET4 IP stack including TCP, UDP, IP and (and
OpenSS7 SCTP if your kernel is so equipped).
- includes functional `tirdwr' and `timod' modules for use with the
included XTI/TLI library.(1)
- includes complete, thread-safe XNS 5.2 XTI/TLI library support
with the `libxnet' library, complete manual pages and
documentation released under the LGPL (*note GNU Lesser General
Public License::).
The next release may include some "strss7" software.
---------- Footnotes ----------
(1) The `tirdwr' module included with the Gcom LiS-2.16.18 (and even
more current) releases is almost completely disfunctional and has been
replaced in entirety.
-----
=========================================================================
Copyright (c) 2001-2007 OpenSS7 Corporation
Copyright (c) 1997-2000 Brian Bidulock
All Rights Reserved.
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