module odl-quic-common {
  yang-version 1.1;
  namespace "urn:opendaylight:yang:quic:common";
  prefix "oqc";

  description
    "OpenDaylight configuration model for QUIC transport.

     Copyright (c) 2026 PANTHEON.tech, s.r.o. and others.  All rights reserved.

     This program and the accompanying materials are made available under the
     terms of the Eclipse Public License v1.0 which accompanies this distribution,
     and is available at http://www.eclipse.org/legal/epl-v10.html";

  revision "2026-04-15" {
    description "Initial revision";
  }

  typedef varint {
    type uint64 {
      range "0..4611686018427387903";
    }
    description
      "A QUIC transport parameter value encoded as a variable- length integer.

       The largest value allowed by QUIC variable-length integer encoding is
       2^62 - 1.";
    reference
      "RFC 9000: QUIC: A UDP-Based Multiplexed and Secure Transport,
       Section 16";
  }

  grouping transport-params-grouping {
    description
      "A reusable grouping for QUIC transport parameters.";

    leaf initial-max-data {
      type varint;
      default "4194304";
      description
        "The QUIC initial_max_data transport parameter used to limit
         connection-level flow control.";
      reference
        "RFC 9000: QUIC: A UDP-Based Multiplexed and Secure Transport,
         Section 18.2";
    }

    leaf initial-max-stream-data-bidi-remote {
      type varint;
      default "262144";
      description
        "The QUIC initial_max_stream_data_bidi_remote transport parameter used
         to limit flow control for remotely initiated bidirectional streams.";
      reference
        "RFC 9000: QUIC: A UDP-Based Multiplexed and Secure Transport,
         Section 18.2";
    }

    leaf initial-max-streams-bidi {
      type uint32;
      default "100";
      description
        "The QUIC initial_max_streams_bidi transport parameter used to limit
         the number of bidirectional streams.";
      reference
        "RFC 9000: QUIC: A UDP-Based Multiplexed and Secure Transport,
         Sections 4.6 and 18.2";
    }
  }
}