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Extended OpenFlow monitoring support
* OpenFlow 1.3 with ONF extensions
* OpenFlow 1.4+ as defined in OpenFlow specification 1.4+.
ONF extensions are similar to Nicira extensions except for onf_flow_monitor_request{}
where out_port is defined as 32-bit number OF(1.1) number, oxm match formats are
used in update and request messages.
Flow monitoring support in 1.4+ is slightly different from Nicira and ONF
extensions.
* More flow monitoring flags are defined.
* Monitor add/modify/delete command is introduced in flow_monitor
request message.
* Addition of out_group as part of flow_monitor request message
Description of changes:
1. Generate ofp-msgs.inc to be able to support 1.3, 1.4+ flow Monitoring messages.
include/openvswitch/ofp-msgs.h
2. Modify openflow header files with protocol specific headers.
include/openflow/openflow-1.3.h
include/openflow/openflow-1.4.h
3. Modify OvS abstraction of openflow headers. ofp-monitor.h leverages enums
from on nicira extensions for creating protocol abstraction headers. OF(1.4+)
enums are superset of nicira extensions.
include/openvswitch/ofp-monitor.h
4. Changes to these files reflect encoding and decoding of new protocol messages.
lib/ofp-monitor.c
5. Changes to modules using ofp-monitor APIs. Most of the changes here are to
migrate enums from nicira to OF 1.4+ versions.
ofproto/connmgr.c
ofproto/connmgr.h
ofproto/ofproto-provider.h
ofproto/ofproto.c
6. Extended protocol decoding tests to verify all protocol versions
FLOW_MONITOR_CANCEL
FLOW_MONITOR_PAUSED
FLOW_MONITOR_RESUMED
FLOW_MONITOR request
FLOW_MONITOR reply
tests/ofp-print.at
7. Modify flow monitoring tests to be able executed by all protocol versions.
tests/ofproto.at
7. Modified documentation highlighting the change
utilities/ovs-ofctl.8.in
NEWS
Signed-off-by: Vasu Dasari <vdasari@gmail.com>
Reported-at: https://mail.openvswitch.org/pipermail/ovs-dev/2021-June/383915.html
Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Extensions.
Currently OVS supports flow-monitoring for OpenFlow 1.0 and Nicira Extenstions.
Any other OpenFlow versioned messages are not accepted. This change will allow
OpenFlow1.0-1.2 Flow Monitoring with Nicira extensions be accepted. Also made
sure that flow-monitoring updates, flow monitoring pause messages, resume
messages are sent in the same OpenFlow version as that of flow-monitor request.
Description of changes:
1. Generate ofp-msgs.inc to be able to support 1.0-1.2 Flow Monitoring messages.
include/openvswitch/ofp-msgs.h
2. Support vconn to accept user specified version and use it for vconn
flow-monitoring session
ofproto/ofproto.c
3. Modify APIs to use protocol as an argument to encode and decode messages
include/openvswitch/ofp-monitor.h
lib/ofp-monitor.c
ofproto/connmgr.c
ofproto/connmgr.h
ofproto/ofproto.c
4. Modified following testcases to be verified across supported OF Versions
ofproto - flow monitoring
ofproto - flow monitoring with !own
ofproto - flow monitoring with out_port
ofproto - flow monitoring pause and resume
ofproto - flow monitoring usable protocols
tests/ofproto.at
5. Updated NEWS with the support added with this commit
Signed-off-by: Vasu Dasari <vdasari@gmail.com>
Reported-at: https://mail.openvswitch.org/pipermail/ovs-discuss/2020-December/050820.html
Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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This constant is needed to use ofp_flow_removed_reason_to_string(),
which is itself public.
Signed-off-by: Ben Pfaff <blp@ovn.org>
Signed-off-by: William Tu <u9012063@gmail.com>
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Backported OFPT14_REQUESTFORWARD to OF1.0-1.3.
OF 1.0-1.2 use an NXT Nicira extension while OF 1.3
uses an ONF extension (ONF version is specified in a
previously published ONF spec sheet).
Includes ofp-print tests for multiple inner message
types, and multiple OF versions including the NXT and ONF.
Also includes more end-to-end ofproto tests for both
NXT OF1.0 and also ONF OF1.3.
VMware-BZ: 2136594
Signed-off-by: Zak Whittington <zwhitt.vmware@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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OpenFlow 1.4+ supports a feature called requestforward. When a controller
enables this feature, the switch sends that controller a copy of other
controllers' group and meter modification requests. OpenFlow 1.5 supports
some group features not in OpenFlow 1.4. When OVS attempted to forward
such requests to an OpenFlow 1.4 controller, it reported an error and
exited. This commit fixes the problem by making OVS properly translate the
messages to OpenFlow 1.4 format.
Reported-by: Pierre Cregut <pierre.cregut@orange.com>
Tested-by: Pierre Cregut <pierre.cregut@orange.com>
Reported-at: https://mail.openvswitch.org/pipermail/ovs-discuss/2018-September/047453.html
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Justin Pettit <jpettit@ovn.org>
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This patch provides implementation Existing flow entry statistics are
redefined as standard OXS(OpenFlow Extensible Statistics) fields for
displaying the arbitrary flow stats.
To support this implementation below messages are newly added
OFPRAW_OFPT15_FLOW_REMOVED,
OFPRAW_OFPST15_AGGREGATE_REQUEST,
OFPRAW_OFPST15_FLOW_REPLY,
OFPRAW_OFPST15_AGGREGATE_REPLY,
The current commit adds support for the new feature in flow statistics
multipart messages, aggregate multipart messages and OXS support for flow
removal message, individual flow description messages.
Signed-off-by: Satya Valli <satyavalli.rama@tcs.com>
Co-authored-by: Lavanya Harivelam <harivelam.lavanya@tcs.com>
Signed-off-by: Lavanya Harivelam <harivelam.lavanya@tcs.com>
Co-authored-by: Surya Muttamsetty <muttamsetty.surya@tcs.com>
Signed-off-by: Surya Muttamsetty <muttamsetty.surya@tcs.com>
Co-authored-by: Manasa Cherukupally <manasa.cherukupally@tcs.com>
Signed-off-by: Manasa Cherukupally <manasa.cherukupally@tcs.com>
Co-authored-by: Pavani Panthagada <p.pavani1@tcs.com>
Signed-off-by: Pavani Panthagada <p.pavani1@tcs.com>
[blp@ovn.org simplified and rewrote much of the code]
Co-authored-by: Ben Pfaff <blp@ovn.org>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Until now, the ofp-print code has had a lot of logic specific to
individual messages. This code is better put with the other code specific
to those messages, so this commit starts to migrate it.
There is more work of a similar type to do, but this is a reasonable start.
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Justin Pettit <jpettit@ovn.org>
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ofp-util had been far too large and monolithic for a long time. This
commit breaks it up into units that make some logical sense. It also
moves the pieces of ofp-parse that were specific to each unit into the
relevant unit.
Most of this commit is just moving code around.
Signed-off-by: Ben Pfaff <blp@ovn.org>
Reviewed-by: Yifeng Sun <pkusunyifeng@gmail.com>
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