module openconfig-aft-summary {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/aft-summary";

    prefix oc-aftsummary;

    import openconfig-extensions {
      prefix oc-ext;
    }
    import openconfig-yang-types {
      prefix oc-yang-types;
    }
    import openconfig-policy-types {
      prefix oc-pol-types;
    }
    import openconfig-network-instance {
      prefix oc-ni;
    }

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
    www.openconfig.net";

    description
      "This module provides summary of aft entry counts per protocol type for each network
    instance.";

    revision "2023-11-09" {
      description "Initial version.";
      reference
        "0.1.0";

    }

    oc-ext:openconfig-version "0.1.0";

    grouping protocols-state {
      description
        "Grouping for protocol type state.";
      leaf origin-protocol {
        type identityref {
          base oc-pol-types:INSTALL_PROTOCOL_TYPE;
        }
        description
          "Protocol type that keys the protocol list.";
      }

      container counters {
        description
          "Enclosing container for aft entry counters";
        leaf aft-entries {
          type oc-yang-types:counter64;
          description
            "Total number of entries in the aft.";
        }
      }  // container counters
    }  // grouping protocols-state

    grouping aft-summary {
      description
        "A summary of aft entries by protocol type.";
      container protocols {
        description
          "Enclosing container for a list of protocols";
        list protocol {
          key "origin-protocol";
          description
            "Protocol type that keys the aft entry count list.";
          leaf origin-protocol {
            type leafref {
              path
                "../state/origin-protocol";
            }
            description
              "Reference to the protocol type which added the aft entry.";
          }

          container state {
            description
              "State parameters for the aft entry list.";
            uses protocols-state;
          }  // container state
        }  // list protocol
      }  // container protocols
    }  // grouping aft-summary

    grouping aft-summary-ipv4 {
      description
        "Grouping of all aft summaries for ipv4.";
      container ipv4-unicast {
        description
          "Container for ipv4 unicast aft summary by protocol type.";
        uses aft-summary;
      }  // container ipv4-unicast
    }  // grouping aft-summary-ipv4

    grouping aft-summary-ipv6 {
      description
        "Grouping of all aft summaries for ipv6.";
      container ipv6-unicast {
        description
          "Container for ipv6 aft counts by protocol type.";
        uses aft-summary;
      }  // container ipv6-unicast
    }  // grouping aft-summary-ipv6

    augment /oc-ni:network-instances/oc-ni:network-instance/oc-ni:afts {
      description
        "Augment the afts model with the aft summary container.";
      container aft-summaries {
        description
          "Aft summary for the network instance.";
        uses aft-summary-ipv4;

        uses aft-summary-ipv6;
      }  // container aft-summaries
    }
  }  // module openconfig-aft-summary