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This commit adds the conntrack module.
It is a connection tracker that resides entirely in userspace. Its
primary user will be the dpif-netdev datapath.
The module main goal is to provide conntrack_execute(), which offers a
convenient interface to implement the datapath ct() action.
The conntrack module uses two submodules to deal with the l4 protocol
details (conntrack-other for UDP and ICMP, conntrack-tcp for TCP).
The conntrack-tcp submodule implementation is adapted from FreeBSD's pf
subsystem, therefore it's BSD licensed. It has been slightly altered to
match the OVS coding style and to allow the pickup of already
established connections.
Signed-off-by: Daniele Di Proietto <diproiettod@vmware.com>
Acked-by: Antonio Fischetti <antonio.fischetti@intel.com>
Acked-by: Joe Stringer <joe@ovn.org>
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This means that users of XenServer 6.5 and earlier will need to install
Python 2.7.
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Windows does not have a strsep.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
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There are a few structure definitions that is used from
these headers. So copy them from the netbsd repo.
The following changes have been made on top of it:
* The keyword "__packed" has been removed
from the headers as the corresponding Linux headers don't
do packing.
* #if BYTE_ORDER == 'X' macros have been replaced by CONSTANT_HTONx().
* code inside #ifdef _KERNEL has been deleted.
* code inside #ifdef ICMP6_STRINGS has been deleted.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
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Windows does not have a getopt_long function. This commit
copies over the getopt_long implementation from netbsd with
some minor modifications and is used only on Windows platform.
Modifications on top of the version in NetBSD repo.
* Remove header files not available in Visual Studio.
* Remove some unwanted #defines.
* Add Open vSwitch specific header files like config.h, vlog.h, util.h
* Add the following #define's
define __UNCONST(a) ((void *)(unsigned long)(const void *)(a))
define _DIAGASSERT(q) ovs_assert(q)
define warnx VLOG_WARN
* Add extern declaration in getopt.h for optarg, optind.
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
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One option to compile Open vSwitch code in windows
is to use Visual c++ compiler.
From http://cccl.sourceforge.net/ :
"cccl is a wrapper around Microsoft Visual C++'s cl.exe
and link.exe. It converts Unix compiler parameters
into parameters understood by cl and link. cccl's main
use is for using Unix build processes with Microsoft
compilers. Using cccl in conjunction with ports of Unix
utilities, it is possible to build many Unix packages
using MSVC, without modifying the build process."
There are couple of forks of the project in the internet.
This particular piece is copied from:
https://gitorious.org/swift/swift/source/\
cf9b391b40a9c59a620c8093d438370381949c60:autoconf/cccl
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
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The sFlow License was not on the list for the Fedora Project, but the
Sun Industry Standards Source License 1.1 was (and it has the right
properties). So this patch includes it as a licensing option in the
relevant places (COPYING and the lib/sflow* sources). Let me know
if this looks OK or not.
Signed-off-by: Neil McKee <neil.mckee@inmon.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>
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Argparse has some convenient advantages over optparse including the
ability to handle optional arguments to flags. It also supports
parsing arguments as well as options.
This patch copies argparse.py from Python 2.7 into a newly created
compat directory. It made some very minor syntactic updates in the
process. Platforms which have a Python version too old to include
argparse by default will have this compat version installed as a
workaround.
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Signed-off-by: Ben Pfaff <blp@nicira.com>
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The previous commit dropped usage of simplejson from the Python
code in the tree, because it did not provide adequate features to
support the JSON-RPC engine. In particular simplejson is not a
"push parser"--you can't give it a byte or a character at a time
and have it tell you when it has read a whole JSON value.
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Conflicts:
COPYING
datapath/datapath.h
lib/automake.mk
lib/dpif-provider.h
lib/dpif.c
lib/hmap.h
lib/netdev-provider.h
lib/netdev.c
lib/stream-ssl.h
ofproto/executer.c
ofproto/ofproto.c
ofproto/ofproto.h
tests/automake.mk
utilities/ovs-ofctl.c
utilities/ovs-vsctl.in
vswitchd/ovs-vswitchd.conf.5.in
xenserver/etc_init.d_vswitch
xenserver/etc_xensource_scripts_vif
xenserver/opt_xensource_libexec_interface-reconfigure
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The C source and header files added in this commit is covered under the
InMon sFlow license at http://www.inmon.com/technology/sflowlicense.txt
The library requires -Wno-unused to compile without warnings, so this
commit adds that for building the sFlow code only. Automake can only
change compiler flags on a per-library or per-program basis, so sFlow
is built as a separate library.
The library will be used in upcoming commits.
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This first stab at any interface definition language and compiler for OVSDB
will give other developers a chance to look at it and try to integrate it.
The IDL is not actually implemented yet; I am working on that.
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