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Signed-off-by: Thomas Graf <tgraf@noironetworks.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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In OpenFlow, a single "flow_mod" operation can change the actions (and
some other properties) of an arbitrary number of flows. Until now,
Open vSwitch has assumed that any subset of these operations could
fail. However, it has come out in discussion in the OpenFlow extensibility
working group that "partial failure" of a flow table operation is
undesirable, and furthermore that it should be possible to avoid it on
hardware implementations. (The latter is the reason that Open vSwitch
permitted it to be with.)
This commit changes Open vSwitch to check whether all of a set of flow
table modifications will succeed before it initiates any of them.
This will not change visible behavior of the Open vSwitch software
switch, which never failed flow table modifications anyway. It might
change behavior of some hardware implementation, but I don't actually know
of any.
ONF-JIRA: EXT-362.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
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This is partly documentation of how patches are tagged in practice in Open
vSwitch. The bits at the end about "Reported-at:" and "VMware-BZ:" are
an attempt to influence future practices; I cannot say how successful they
will be.
I am not sure whether these key-value pairs at the end of commit messages
are actually commonly called "tags". I'm happy to use a different term if
that one seems wrong.
Reported-by: Flavio Leitner <fbl@redhat.com>
Reported-at: http://openvswitch.org/pipermail/dev/2014-June/040952.html
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Flavio Leitner <fbl@redhat.com>
Acked-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
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This makes the GitHub interface aware of the contribution guidelines,
so it will be displayed to contributors when they submit issues or pull
requests.
Signed-off-by: Joe Stringer <joestringer@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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