module ieee802-dot1cb-stream-identification {

    yang-version 1.1;

    namespace
      "urn:ieee:std:802.1Q:yang:ieee802-dot1cb-stream-identification";

    prefix dot1cb-stream-identification;

    import ietf-interfaces {
      prefix if;
    }
    import ieee802-dot1cb-stream-identification-types {
      prefix sid-types;
    }

    organization
      "Institute of Electrical and Electronics Engineers";

    contact
      "WG-URL: http://grouper.ieee.org/groups/802/1/
WG-EMail: stds-802-1@ieee.org

Contact: IEEE 802.1 Working Group Chair
Postal: C/O IEEE 802.1 Working Group
       IEEE Standards Association
       445 Hoes Lane
       P.O. Box 1331
       Piscataway
       NJ 08855-1331
       USA

E-mail: STDS-802-1-L@LISTSERV.IEEE.ORG";

    description
      "Management objects that control the stream identification from
IEEE Std 802.1CB-2017.
This YANG data model conforms to the Network Management Datastore
Architecture defined in RFC 8342.";

    revision "2020-04-29" {
      description
        "D0.3 revision. Note that this module might change in
backward incompatible ways until approved as a standard.";
      reference
        "Clause 10 of IEEE Std 802.1CB-2017";

    }

    revision "2019-09-01" {
      description
        "Initial revision. Note that this module might change in
backward incompatible ways until approved as a standard.";
      reference
        "Clause 9 of IEEE Std 802.1CB-2017";

    }


    list stream-identity-list {
      key "index";
      description
        "The Stream identity table consists of a set of tsnStreamIdEntry
objects (9.1.1), each relating to a single Stream, specifying
the points in the system where Stream identification functions
(6.2) are to be instantiated. Each entry in the Stream identity
table has a tsnStreamIdHandle object (9.1.1.1) specifying a
stream_handle value and one or more tsnStreamIdEntry objects
(9.1.1) describing one identification method for that Stream. If
a single Stream has multiple identification methods, perhaps
(but not necessarily) on different ports, then there can be
multiple tsnStreamIdEntry objects with the same value for the
tsnStreamIdHandle. If the HSR or PRP method or the Sequence
encode/decode function is applied to a packet, then the LanId or
PathId fields are also used to identify the Stream to which the
packet belongs.";
      reference
        "Clause 9.1. of IEEE Std 802.1CB-2017";

      leaf index {
        type uint32;
        description
          "If a single Stream has multiple identification methods,
perhaps (but not necessarily) on different ports, then there
can be multiple tsnStreamIdEntry objects with the same value
for the tsnStreamIdHandle";
      }

      uses sid-types:tsn-stream-id-entry-group;
    }  // list stream-identity-list

    augment /if:interfaces/if:interface/if:statistics {
      description
        "The per-port, per-Stream packet counters that are kept by
Stream identification functions for inspection by network
management entities are described in 9.2, and the per-port
(totaled over all Streams) counters in 9.3";
      reference
        "Clause 9 of IEEE Std 802.1CB-2017";

      list stream-identification-counters {
        key "direction handle";
        config false;
        description
          "The following counters are instantiated for each port on which
the Stream identification function (6.2) is configured. The
counters are indexed by port number, facing (in-facing or
out-facing), and stream_handle value (tsnStreamIdHandle,
9.1.1.1). All counters are unsigned integers. If used on links
faster than 650 000 000 bits per second, they shall be 64 bits
in length to ensure against excessively short wrap times.";
        reference
          "Clause 9.2 of IEEE Std 802.1CB-2017";

        leaf direction {
          type sid-types:direction;
          description
            "An object indicating whether the counters apply to
out-facing (True) or in-facing (False).";
        }

        leaf handle {
          type leafref {
            path
              "/stream-identity-list/handle";
          }
          description
            "The according tsnStreamIdHandle for these counters.";
        }

        container per-port-per-stream {
          description
            "Contains the per-port-per-stream counters for stream
identification";
          reference
            "Clause 9.2 of IEEE Std 802.1CB-2017";

          uses sid-types:per-port-per-stream-stream-identification-counters-group;
        }  // container per-port-per-stream

        container per-port {
          description
            "Contains the per-port counters for stream identification";
          reference
            "Clause 9.3 of IEEE Std 802.1CB-2017";

          uses sid-types:per-port-stream-identification-counters-group;
        }  // container per-port
      }  // list stream-identification-counters
    }
  }  // module ieee802-dot1cb-stream-identification