Deprecate source/destination flow-label and add single flow-label leaf#1452
Deprecate source/destination flow-label and add single flow-label leaf#1452earies wants to merge 2 commits into
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Summary of ChangesHello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request addresses a long-standing inaccuracy in the Highlights
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Code Review
This pull request deprecates source-flow-label and destination-flow-label in favor of a single flow-label leaf, which aligns the model with the IPv6 header specification. The model version is bumped and a revision history is added. I have a couple of suggestions to improve the clarity of the descriptions for the deprecated leaves.
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/gcbrun |
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No major YANG version changes in commit dd8ed37 |
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cc: @ElodinLaarz @dplore @rgwilton @jsterne for comment/review |
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Discussed in the OC Operators Meeting on May 5th 2026: LGTM. Seems to have been an oversight. Gemini comments seem reasonable (put the deprecated label at the start of the description), and then you can rebase the changes to sync and run checks. Can add to last-call in 2 weeks. (May 19th, 2026) |
* (M) release/models/acl/openconfig-packet-match.yang
- Deprecate source-flow-label and destination-flow-label
- Add flow-label leaf to ipv6-protocol-fields-config grouping
- Bump openconfig-version to 2.4.0
Thx - addressed in latest commit |
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/gcbrub |
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/gcbrun |
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Note, last call remains at May 19,2026 |
4 participants
Change Scope
The IPv6 header contains a single 20-bit flow-label field; there is no distinct source or destination flow-label. Deprecate source-flow-label and destination-flow-label in ipv6-protocol-fields-config and replace with a single flow-label leaf matching the actual header structure.
This was raised 6y back via #346 but was never addressed and was closed/stale.
Platform Implementations
N/A
Tree View
+--rw policy-forwarding | +--rw config | | +--rw global-decap-policy? string | +--ro state | | +--ro global-decap-policy? string | +--rw policies | | +--rw policy* [policy-id] | | +--rw policy-id -> ../config/policy-id | | +--rw config | | | +--rw policy-id? string | | | +--rw type? enumeration | | +--ro state | | | +--ro policy-id? string | | | +--ro type? enumeration | | +--rw rules | | +--rw rule* [sequence-id] | | +--rw sequence-id -> ../config/sequence-id | | +--rw config | | | +--rw sequence-id? uint32 | | | +--rw address-family? identityref | | | +--rw description? string | | +--ro state | | | +--ro sequence-id? uint32 | | | +--ro address-family? identityref | | | +--ro description? string | | | +--ro matched-pkts? oc-yang:counter64 | | | +--ro matched-octets? oc-yang:counter64 | | +--rw l2 | | | +--rw config | | | | +--rw source-mac? oc-yang:mac-address | | | | +--rw source-mac-mask? oc-yang:mac-address | | | | +--rw destination-mac? oc-yang:mac-address | | | | +--rw destination-mac-mask? oc-yang:mac-address | | | | +--rw ethertype? oc-pkt-match-types:ethertype-type | | | +--ro state | | | +--ro source-mac? oc-yang:mac-address | | | +--ro source-mac-mask? oc-yang:mac-address | | | +--ro destination-mac? oc-yang:mac-address | | | +--ro destination-mac-mask? oc-yang:mac-address | | | +--ro ethertype? oc-pkt-match-types:ethertype-type | | +--rw ipv4 | | | +--rw config | | | | +--rw source-address? oc-inet:ipv4-prefix | | | | +--rw source-address-prefix-set? -> /oc-sets:defined-sets/ipv4-prefix-sets/ipv4-prefix-set/name | | | | +--rw destination-address? oc-inet:ipv4-prefix | | | | +--rw destination-address-prefix-set? -> /oc-sets:defined-sets/ipv4-prefix-sets/ipv4-prefix-set/name | | | | +--rw fragment-offsets* oc-pkt-match-types:fragment-offset-range | | | | +--rw dscp? oc-inet:dscp | | | | +--rw dscp-set* oc-inet:dscp | | | | +--rw length? uint16 | | | | +--rw protocol? oc-pkt-match-types:ip-protocol-type | | | | +--rw hop-limit? uint8 | | | +--ro state | | | | +--ro source-address? oc-inet:ipv4-prefix | | | | +--ro source-address-prefix-set? -> /oc-sets:defined-sets/ipv4-prefix-sets/ipv4-prefix-set/name | | | | +--ro destination-address? oc-inet:ipv4-prefix | | | | +--ro destination-address-prefix-set? -> /oc-sets:defined-sets/ipv4-prefix-sets/ipv4-prefix-set/name | | | | +--ro fragment-offsets* oc-pkt-match-types:fragment-offset-range | | | | +--ro dscp? oc-inet:dscp | | | | +--ro dscp-set* oc-inet:dscp | | | | +--ro length? uint16 | | | | +--ro protocol? oc-pkt-match-types:ip-protocol-type | | | | +--ro hop-limit? uint8 | | | +--rw icmpv4 | | | +--rw config | | | | +--rw type? identityref | | | | +--rw code? identityref | | | +--ro state | | | +--ro type? identityref | | | +--ro code? identityref | | +--rw ipv6 | | | +--rw config | | | | +--rw source-address? oc-inet:ipv6-prefix | | | | +--rw source-address-prefix-set? -> /oc-sets:defined-sets/ipv6-prefix-sets/ipv6-prefix-set/name - | | | | +--rw source-flow-label? oc-inet:ipv6-flow-label + | | | | x--rw source-flow-label? oc-inet:ipv6-flow-label | | | | +--rw destination-address? oc-inet:ipv6-prefix | | | | +--rw destination-address-prefix-set? -> /oc-sets:defined-sets/ipv6-prefix-sets/ipv6-prefix-set/name - | | | | +--rw destination-flow-label? oc-inet:ipv6-flow-label + | | | | x--rw destination-flow-label? oc-inet:ipv6-flow-label + | | | | +--rw flow-label? oc-inet:ipv6-flow-label | | | | +--rw dscp? oc-inet:dscp | | | | +--rw dscp-set* oc-inet:dscp | | | | +--rw length? uint16 | | | | +--rw protocol? oc-pkt-match-types:ip-protocol-type | | | | +--rw hop-limit? uint8 | | | +--ro state | | | | +--ro source-address? oc-inet:ipv6-prefix | | | | +--ro source-address-prefix-set? -> /oc-sets:defined-sets/ipv6-prefix-sets/ipv6-prefix-set/name - | | | | +--ro source-flow-label? oc-inet:ipv6-flow-label + | | | | x--ro source-flow-label? oc-inet:ipv6-flow-label | | | | +--ro destination-address? oc-inet:ipv6-prefix | | | | +--ro destination-address-prefix-set? -> /oc-sets:defined-sets/ipv6-prefix-sets/ipv6-prefix-set/name - | | | | +--ro destination-flow-label? oc-inet:ipv6-flow-label + | | | | x--ro destination-flow-label? oc-inet:ipv6-flow-label + | | | | +--ro flow-label? oc-inet:ipv6-flow-label | | | | +--ro dscp? oc-inet:dscp | | | | +--ro dscp-set* oc-inet:dscp | | | | +--ro length? uint16 | | | | +--ro protocol? oc-pkt-match-types:ip-protocol-type | | | | +--ro hop-limit? uint8 | | | +--rw icmpv6 | | | +--rw config | | | | +--rw type? identityref | | | | +--rw code? identityref | | | +--ro state | | | +--ro type? identityref | | | +--ro code? identityref | | +--rw transport | | | +--rw config | | | | +--rw source-port? oc-pkt-match-types:port-num-range | | | | +--rw source-port-set? -> /oc-sets:defined-sets/port-sets/port-set/name | | | | +--rw destination-port? oc-pkt-match-types:port-num-range | | | | +--rw destination-port-set? -> /oc-sets:defined-sets/port-sets/port-set/name | | | | +--rw detail-mode? enumeration | | | | +--rw explicit-detail-match-mode? enumeration | | | | +--rw explicit-tcp-flags* identityref | | | | +--rw builtin-detail? enumeration | | | +--ro state | | | +--ro source-port? oc-pkt-match-types:port-num-range | | | +--ro source-port-set? -> /oc-sets:defined-sets/port-sets/port-set/name | | | +--ro destination-port? oc-pkt-match-types:port-num-range | | | +--ro destination-port-set? -> /oc-sets:defined-sets/port-sets/port-set/name | | | +--ro detail-mode? enumeration | | | +--ro explicit-detail-match-mode? enumeration | | | +--ro explicit-tcp-flags* identityref | | | +--ro builtin-detail? enumeration | | +--rw action | | | +--rw config | | | | x--rw discard? boolean | | | | +--rw decapsulate-gre? boolean | | | | +--rw decap-network-instance? -> /network-instances/network-instance/config/name | | | | +--rw decap-fallback-network-instance? -> /network-instances/network-instance/config/name | | | | +--rw log? boolean | | | | +--rw post-decap-network-instance? -> /network-instances/network-instance/config/name | | | | +--rw network-instance? -> /network-instances/network-instance/config/name | | | | +--rw path-selection-group? -> ../../../../../../../path-selection-groups/path-selection-group/config/group-id | | | | +--rw next-hop? oc-inet:ip-address | | | | +--rw next-hop-group? -> ../../../../../../../../static/next-hop-groups/next-hop-group/config/name | | | | +--rw decapsulate-mpls-in-udp? boolean | | | | +--rw decapsulate-gue? boolean | | | | x--rw ip-ttl? uint8 | | | +--ro state | | | | x--ro discard? boolean | | | | +--ro decapsulate-gre? boolean | | | | +--ro decap-network-instance? -> /network-instances/network-instance/config/name | | | | +--ro decap-fallback-network-instance? -> /network-instances/network-instance/config/name | | | | +--ro log? boolean | | | | +--ro post-decap-network-instance? -> /network-instances/network-instance/config/name | | | | +--ro network-instance? -> /network-instances/network-instance/config/name | | | | +--ro path-selection-group? -> ../../../../../../../path-selection-groups/path-selection-group/config/group-id | | | | +--ro next-hop? oc-inet:ip-address | | | | +--ro next-hop-group? -> ../../../../../../../../static/next-hop-groups/next-hop-group/config/name | | | | +--ro decapsulate-mpls-in-udp? boolean | | | | +--ro decapsulate-gue? boolean | | | | x--ro ip-ttl? uint8 | | | +--rw encapsulate-gre | | | | +--rw config | | | | | +--rw identifying-prefix? oc-inet:ip-prefix | | | | +--ro state | | | | | +--ro identifying-prefix? oc-inet:ip-prefix | | | | +--rw targets | | | | +--rw target* [id] | | | | +--rw id -> ../config/id | | | | +--rw config | | | | | +--rw id? string | | | | | +--rw source? oc-inet:ip-address | | | | | +--rw destination? oc-inet:ip-prefix | | | | | +--rw ip-ttl? uint8 | | | | +--ro state | | | | +--ro id? string | | | | +--ro source? oc-inet:ip-address | | | | +--ro destination? oc-inet:ip-prefix | | | | +--ro ip-ttl? uint8 | | | +--rw ipv4 | | | | +--rw config | | | | | +--rw dscp? oc-inet-types:dscp | | | | | +--rw ttl? uint8 | | | | +--ro state | | | | +--ro dscp? oc-inet-types:dscp | | | | +--ro ttl? uint8 | | | +--rw ipv6 | | | | +--rw config | | | | | +--rw dscp? oc-inet-types:dscp | | | | | +--rw hop-limit? uint8 | | | | +--ro state | | | | +--ro dscp? oc-inet-types:dscp | | | | +--ro hop-limit? uint8 | | | +--rw mpls | | | | +--rw config | | | | | +--rw mpls-traffic-class? oc-mplst:mpls-tc | | | | +--ro state | | | | +--ro mpls-traffic-class? oc-mplst:mpls-tc | | | +--rw forwarding | | | | +--rw config | | | | | +--rw forwarding-action? identityref @@ -11493,216 +11495,218 @@ | | +--ro matched-octets? oc-yang:counter64 | +--rw queues | | +--rw queue* [name] | | +--rw name -> ../config/name | | +--rw config | | | +--rw name? string | | | +--rw queue-management-profile? -> ../../../../../../../queue-management-profiles/queue-management-profile/config/name | | +--ro state | | +--ro name? string | | +--ro queue-management-profile? -> ../../../../../../../queue-management-profiles/queue-management-profile/config/name | | +--ro max-queue-len? oc-yang:counter64 | | +--ro avg-queue-len? oc-yang:counter64 | | +--ro transmit-pkts? oc-yang:counter64 | | +--ro transmit-octets? oc-yang:counter64 | | +--ro dropped-pkts? oc-yang:counter64 | | +--ro dropped-octets? oc-yang:counter64 | | +--ro ecn-marked-pkts? oc-yang:counter64 | | +--ro ecn-marked-octets? oc-yang:counter64 | | +--ro ecn-selected-pkts? oc-yang:counter64 | | +--ro ecn-selected-octets? oc-yang:counter64 | +--rw scheduler-policy | +--rw config | | +--rw name? -> ../../../../../../scheduler-policies/scheduler-policy/config/name | +--ro state | | +--ro name? -> ../../../../../../scheduler-policies/scheduler-policy/config/name | +--ro schedulers | +--ro scheduler* [sequence] | +--ro sequence -> ../state/sequence | +--ro state | +--ro sequence? -> ../../../../../../../../scheduler-policies/scheduler-policy[name=current()/../../../../config/name]/schedulers/scheduler/config/sequence | +--ro conforming-pkts? oc-yang:counter64 | +--ro conforming-octets? oc-yang:counter64 | +--ro exceeding-pkts? oc-yang:counter64 | +--ro exceeding-octets? oc-yang:counter64 | +--ro violating-pkts? oc-yang:counter64 | +--ro violating-octets? oc-yang:counter64 +--rw classifiers | +--rw classifier* [name] | +--rw name -> ../config/name | +--rw config | | +--rw name? string | | +--rw type? enumeration | +--ro state | | +--ro name? string | | +--ro type? enumeration | +--rw terms | +--rw term* [id] | +--rw id -> ../config/id | +--rw config | | +--rw id? string | +--ro state | | +--ro id? string | +--rw conditions | | +--rw l2 | | | +--rw config | | | | +--rw source-mac? oc-yang:mac-address | | | | +--rw source-mac-mask? oc-yang:mac-address | | | | +--rw destination-mac? oc-yang:mac-address | | | | +--rw destination-mac-mask? oc-yang:mac-address | | | | +--rw ethertype? oc-pkt-match-types:ethertype-type | | | +--ro state | | | +--ro source-mac? oc-yang:mac-address | | | +--ro source-mac-mask? oc-yang:mac-address | | | +--ro destination-mac? oc-yang:mac-address | | | +--ro destination-mac-mask? oc-yang:mac-address | | | +--ro ethertype? oc-pkt-match-types:ethertype-type | | +--rw ipv4 | | | +--rw config | | | | +--rw source-address? oc-inet:ipv4-prefix | | | | +--rw source-address-prefix-set? -> /oc-sets:defined-sets/ipv4-prefix-sets/ipv4-prefix-set/name | | | | +--rw destination-address? oc-inet:ipv4-prefix | | | | +--rw destination-address-prefix-set? -> /oc-sets:defined-sets/ipv4-prefix-sets/ipv4-prefix-set/name | | | | +--rw fragment-offsets* oc-pkt-match-types:fragment-offset-range | | | | +--rw dscp? oc-inet:dscp | | | | +--rw dscp-set* oc-inet:dscp | | | | +--rw length? uint16 | | | | +--rw protocol? oc-pkt-match-types:ip-protocol-type | | | | +--rw hop-limit? uint8 | | | +--ro state | | | | +--ro source-address? oc-inet:ipv4-prefix | | | | +--ro source-address-prefix-set? -> /oc-sets:defined-sets/ipv4-prefix-sets/ipv4-prefix-set/name | | | | +--ro destination-address? oc-inet:ipv4-prefix | | | | +--ro destination-address-prefix-set? -> /oc-sets:defined-sets/ipv4-prefix-sets/ipv4-prefix-set/name | | | | +--ro fragment-offsets* oc-pkt-match-types:fragment-offset-range | | | | +--ro dscp? oc-inet:dscp | | | | +--ro dscp-set* oc-inet:dscp | | | | +--ro length? uint16 | | | | +--ro protocol? oc-pkt-match-types:ip-protocol-type | | | | +--ro hop-limit? uint8 | | | +--rw icmpv4 | | | +--rw config | | | | +--rw type? identityref | | | | +--rw code? identityref | | | +--ro state | | | +--ro type? identityref | | | +--ro code? identityref | | +--rw ipv6 | | | +--rw config | | | | +--rw source-address? oc-inet:ipv6-prefix | | | | +--rw source-address-prefix-set? -> /oc-sets:defined-sets/ipv6-prefix-sets/ipv6-prefix-set/name - | | | | +--rw source-flow-label? oc-inet:ipv6-flow-label + | | | | x--rw source-flow-label? oc-inet:ipv6-flow-label | | | | +--rw destination-address? oc-inet:ipv6-prefix | | | | +--rw destination-address-prefix-set? -> /oc-sets:defined-sets/ipv6-prefix-sets/ipv6-prefix-set/name - | | | | +--rw destination-flow-label? oc-inet:ipv6-flow-label + | | | | x--rw destination-flow-label? oc-inet:ipv6-flow-label + | | | | +--rw flow-label? oc-inet:ipv6-flow-label | | | | +--rw dscp? oc-inet:dscp | | | | +--rw dscp-set* oc-inet:dscp | | | | +--rw length? uint16 | | | | +--rw protocol? oc-pkt-match-types:ip-protocol-type | | | | +--rw hop-limit? uint8 | | | +--ro state | | | | +--ro source-address? oc-inet:ipv6-prefix | | | | +--ro source-address-prefix-set? -> /oc-sets:defined-sets/ipv6-prefix-sets/ipv6-prefix-set/name - | | | | +--ro source-flow-label? oc-inet:ipv6-flow-label + | | | | x--ro source-flow-label? oc-inet:ipv6-flow-label | | | | +--ro destination-address? oc-inet:ipv6-prefix | | | | +--ro destination-address-prefix-set? -> /oc-sets:defined-sets/ipv6-prefix-sets/ipv6-prefix-set/name - | | | | +--ro destination-flow-label? oc-inet:ipv6-flow-label + | | | | x--ro destination-flow-label? oc-inet:ipv6-flow-label + | | | | +--ro flow-label? oc-inet:ipv6-flow-label | | | | +--ro dscp? oc-inet:dscp | | | | +--ro dscp-set* oc-inet:dscp | | | | +--ro length? uint16 | | | | +--ro protocol? oc-pkt-match-types:ip-protocol-type | | | | +--ro hop-limit? uint8 | | | +--rw icmpv6 | | | +--rw config | | | | +--rw type? identityref | | | | +--rw code? identityref | | | +--ro state | | | +--ro type? identityref | | | +--ro code? identityref | | +--rw transport | | | +--rw config | | | | +--rw source-port? oc-pkt-match-types:port-num-range | | | | +--rw source-port-set? -> /oc-sets:defined-sets/port-sets/port-set/name | | | | +--rw destination-port? oc-pkt-match-types:port-num-range | | | | +--rw destination-port-set? -> /oc-sets:defined-sets/port-sets/port-set/name | | | | +--rw detail-mode? enumeration | | | | +--rw explicit-detail-match-mode? enumeration | | | | +--rw explicit-tcp-flags* identityref | | | | +--rw builtin-detail? enumeration | | | +--ro state | | | +--ro source-port? oc-pkt-match-types:port-num-range | | | +--ro source-port-set? -> /oc-sets:defined-sets/port-sets/port-set/name | | | +--ro destination-port? oc-pkt-match-types:port-num-range | | | +--ro destination-port-set? -> /oc-sets:defined-sets/port-sets/port-set/name | | | +--ro detail-mode? enumeration | | | +--ro explicit-detail-match-mode? enumeration | | | +--ro explicit-tcp-flags* identityref | | | +--ro builtin-detail? enumeration | | +--rw mpls | | +--rw config | | | +--rw traffic-class? oc-mpls:mpls-tc | | | +--rw start-label-value? oc-mpls:mpls-label | | | +--rw end-label-value? oc-mpls:mpls-label | | | +--rw ttl-value? uint8 | | +--ro state | | +--ro traffic-class? oc-mpls:mpls-tc | | +--ro start-label-value? oc-mpls:mpls-label | | +--ro end-label-value? oc-mpls:mpls-label | | +--ro ttl-value? uint8 | +--rw actions | +--rw config | | +--rw target-group? -> ../../../../../../../forwarding-groups/forwarding-group/config/name | +--ro state | | +--ro target-group? -> ../../../../../../../forwarding-groups/forwarding-group/config/name | +--rw remark | +--rw config | | +--rw set-dscp? uint8 | | +--rw set-dot1p? uint8 | | +--rw set-mpls-tc? uint8 | +--ro state | +--ro set-dscp? uint8 | +--ro set-dot1p? uint8 | +--ro set-mpls-tc? uint8 +--rw forwarding-groups | +--rw forwarding-group* [name] | +--rw name -> ../config/name | +--rw config | | +--rw name? string | | +--rw fabric-priority? uint8 | | +--rw output-queue? -> ../../../../queues/queue/config/name | | +--rw unicast-output-queue? -> ../../../../queues/queue/config/name | | +--rw multicast-output-queue? -> ../../../../queues/queue/config/name | +--ro state | +--ro name? string | +--ro fabric-priority? uint8 | +--ro output-queue? -> ../../../../queues/queue/config/name | +--ro unicast-output-queue? -> ../../../../queues/queue/config/name | +--ro multicast-output-queue? -> ../../../../queues/queue/config/name +--rw queues | +--rw queue* [name] | +--rw name -> ../config/name | +--rw config | | +--rw name? string | | +--rw queue-id? uint8 | +--ro state | +--ro name? string | +--ro queue-id? uint8 +--rw scheduler-policies | +--rw scheduler-policy* [name] | +--rw name -> ../config/name | +--rw config | | +--rw name? string | +--ro state | | +--ro name? string | +--rw schedulers | +--rw scheduler* [sequence] | +--rw sequence -> ../config/sequence | +--rw config | | +--rw sequence? uint32 | | +--rw type? identityref | | +--rw priority? enumeration | +--ro state | | +--ro sequence? uint32 | | +--ro type? identityref | | +--ro priority? enumeration | +--rw inputs | | +--rw input* [id]