[email protected]

module ietf-schc-coap {
  yang-version 1.1;
  namespace "urn:ietf:params:xml:ns:yang:ietf-schc-coap";
  prefix schc-coap-ext;

  import ietf-schc {
      prefix schc;
  }

  organization
    "IETF IPv6 over Low Power Wide-Area Networks (lpwan) working group";
  contact
    "WG Web:   <https://datatracker.ietf.org/wg/lpwan/about/>
     WG List:  <mailto:lp-wan@ietf.org>
     Editor:   Juan-Carlos Zuniga
       <mailto:juancarlos.zuniga@sigfox.com>";
  description
     "
     Copyright (c) 2021 IETF Trust and the persons identified as
     authors of the code.  All rights reserved.

     Redistribution and use in source and binary forms, with or
     without modification, is permitted pursuant to, and subject to
     the license terms contained in, the Simplified BSD License set
     forth in Section 4.c of the IETF Trust's Legal Provisions
     Relating to IETF Documents
     (https://trustee.ietf.org/license-info).

     This version of this YANG module is part of RFC XXXX
     (https://www.rfc-editor.org/info/rfcXXXX); see the RFC itself
     for full legal notices.

     The key words 'MUST', 'MUST NOT', 'REQUIRED', 'SHALL', 'SHALL
     NOT', 'SHOULD', 'SHOULD NOT', 'RECOMMENDED', 'NOT RECOMMENDED',
     'MAY', and 'OPTIONAL' in this document are to be interpreted as
     described in BCP 14 (RFC 2119) (RFC 8174) when, and only when,
     they appear in all capitals, as shown here.

     *************************************************************************

     This module extends the ietf-schc module to include the new CoAP 
     options as defined in RFC YYYY. ";

  revision 2024-06-03 {
    description
      "New CoAP extensions and extended OSCORE fields.";
    reference
      "RFC YYYY: .....";
  }

  identity fid-coap-option-hop-limit {
    base "schc:fid-coap-option";
    description
      "Hop Limit option to avoid infinite forwarding loops.";
    reference
      "RFC 8768 Constrained Application Protocol (CoAP) 
                Hop-Limit Option";
  }

  identity fid-coap-option-echo {
    base "schc:fid-coap-option";
    description
      "Echo option.";
    reference
      "RFC 9175 Constrained Application Protocol (CoAP): 
                Echo, Request-Tag, and Token Processing";
  }

  identity fid-coap-option-request-tag {
    base "schc:fid-coap-option";
    description
      "Request-Tag option.";
    reference
      "RFC 9175 Constrained Application Protocol (CoAP): 
                Echo, Request-Tag, and Token Processing";
  }

  identity fid-coap-option-q-block1 {
    base "schc:fid-coap-option";
    description
      "Q-Block1 option.";
    reference
      "RFC 9175 Constrained Application Protocol (CoAP) 
                Block-Wise Transfer Options Supporting 
                Robust Transmission";
  }

  identity fid-coap-option-q-block2 {
    base "schc:fid-coap-option";
    description
      "Q-Block2 option.";
    reference
      "RFC 9175 Constrained Application Protocol (CoAP) 
                Block-Wise Transfer Options Supporting 
                Robust Transmission";
  }

  identity fid-coap-option-oscore-piv {
       base "schc:fid-coap-option";
       description
         "CoAP option OSCORE flags.";
       reference
         "RFC 8824 Static Context Header Compression (SCHC) for the
                   Constrained Application Protocol (CoAP) (see
                   Section 6.4)
          RFC XXXX Key Update for OSCORE (KUDOS)";
  }

  identity fid-coap-option-oscore-x {
       base "schc:fid-coap-option";
       description
         "CoAP option OSCORE flags.";
       reference
         "RFC 8824 Static Context Header Compression (SCHC) for the
                   Constrained Application Protocol (CoAP) (see
                   Section 6.4)
          RFC XXXX Key Update for OSCORE (KUDOS)";
  }

    identity fid-coap-option-oscore-nonce {
       base "schc:fid-coap-option";
       description
         "CoAP option OSCORE flags.";
       reference
         "RFC 8824 Static Context Header Compression (SCHC) for the
                   Constrained Application Protocol (CoAP) (see
                   Section 6.4)
          RFC XXXX Key Update for OSCORE (KUDOS)";
  }

  identity fl-oscore-m-length {
       base "schc:fl-base-type";
       description
         "Size in bytes of the M.";
       reference
         "RFC 8824 Static Context Header Compression (SCHC) for the
                   Constrained Application Protocol (CoAP) (see
                   Section 5.3)
          RFC XXXX Key Update for OSCORE (KUDOS)";
     }
}