module huawei-ip-cga {

    yang-version 1;

    namespace
      "urn:huawei:yang:huawei-ip-cga";

    prefix ip-cga;

    import ietf-inet-types {
      prefix inet;
    }
    import huawei-ifm {
      prefix ifm;
    }
    import huawei-ip {
      prefix ip;
    }
    import huawei-rsa {
      prefix rsa;
    }
    import huawei-extension {
      prefix ext;
    }

    organization
      "Huawei Technologies Co., Ltd.";

    contact
      "Huawei Industrial Base
     Bantian, Longgang
     Shenzhen 518129
     People's Republic of China
     Website: http://www.huawei.com
     Email: support@huawei.com";

    description
      "This module contains a collection of YANG definitions for
     configuring IP implementations.
     Copyright (C) 2019 Huawei Technologies Co., Ltd. All rights reserved.";

    revision "2020-02-14" {
      description
        "Modify the description of nodes.";
      reference
        "Huawei private.";

    }

    revision "2019-08-30" {
      description "Initial revision.";
      reference
        "Huawei private.";

    }

    ext:task-name "interface-mgr";

    augment /ifm:ifm/ifm:interfaces/ifm:interface/ip:ipv6 {
      description
        "Cryptographically generated adresses.";
      container cgas {
        description
          "List of CGA information.";
        list cga {
          key "rsakey-pair";
          max-elements 1;
          description
            "Configure CGA information.";
          leaf rsakey-pair {
            type leafref {
              path
                "/rsa:rsa/rsa:key-pairs/rsa:key-pair/rsa:key-pair-label";
            }
            description "RSA key.";
          }

          leaf sec-level {
            type uint8 {
              range "0..1";
            }
            description "Security level.";
          }

          leaf modifier {
            type inet:ipv6-address-no-zone;
            must
              "not (../sec-level=1 and ../modifier!='::')";
            default "::";
            description
              "CGA address modifier.";
          }
        }  // list cga
      }  // container cgas
    }
  }  // module huawei-ip-cga