module openconfig-bgp-policy {

    yang-version 1;

    namespace
      "http://openconfig.net/yang/bgp-policy";

    prefix oc-bgp-pol;

    import openconfig-inet-types {
      prefix oc-inet;
    }
    import openconfig-routing-policy {
      prefix oc-rpol;
    }
    import openconfig-policy-types {
      prefix oc-pol-types;
    }
    import openconfig-bgp-types {
      prefix oc-bgp-types;
    }
    import openconfig-extensions {
      prefix oc-ext;
    }
    import openconfig-types {
      prefix oc-types;
    }

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
    netopenconfig@googlegroups.com";

    description
      "This module contains data definitions for BGP routing policy.
    It augments the base routing-policy module with BGP-specific
    options for conditions and actions.";

    revision "2024-11-13" {
      description
        "Add use-last-as leaf to set-as-path-prepend to prepend last AS.";
      reference
        "8.1.0";

    }

    revision "2024-08-23" {
      description
        "Separate the ability to set the BGP MED along with an appropriate
      action.";
      reference
        "8.0.0";

    }

    revision "2024-07-02" {
      description
        "Add ext-community-count container, which also clarifies that
      community-count does not include other types of communities (e.g.
      extended).";
      reference
        "7.1.0";

    }

    revision "2024-01-31" {
      description
        "Update community-sets/members/member union type by replacing
      the bgp-regex type with posix-eregexp.";
      reference
        "7.0.0";

    }

    revision "2023-12-19" {
      description
        "Add PEER_ADDRESS to bgp-next-hop-type.";
      reference
        "6.4.0";

    }

    revision "2023-10-23" {
      description
        "Revert revision 2019-02-01.
      Move match-set-options of BGP community and BGP extended community from
      defined-sets/bgp-defined-sets/community-set and
      defined-sets/bgp-defined-sets/ext-community-set back to
      policy-definitions/statements/.../bgp-conditions
      for consistency across sets.";
      reference
        "6.3.0";

    }

    revision "2023-10-03" {
      description
        "Deprecate community-set-ref and ext-community-set-ref,
      add the following leaf-list nodes:
      * community-set-refs
      * ext-community-set-refs";
      reference
        "6.2.0";

    }

    revision "2023-03-27" {
      description
        "Clarify bgp-set-med-type description";
      reference
        "6.1.1";

    }

    revision "2022-05-24" {
      description
        "Remove module extension oc-ext:regexp-posix by making pattern regexes
      conform to RFC6020/RFC7950.

      Types impacted:
      - bgp-set-med-type";
      reference
        "6.1.0";

    }

    revision "2020-06-30" {
      description
        "Add OpenConfig POSIX pattern extensions.";
      reference
        "6.0.2";

    }

    revision "2019-11-28" {
      description
        "Fix quotes on literals in when statements";
      reference
        "6.0.1";

    }

    revision "2019-02-01" {
      description
        "Move BGP community match-set-options from
      policy-definitions/statements/.../bgp-conditions to
      defined-sets/bgp-defined-sets/community-set for wider platform
      support.";
      reference
        "6.0.0";

    }

    revision "2018-11-21" {
      description
        "Add OpenConfig module metadata extensions.";
      reference
        "5.0.2";

    }

    revision "2018-08-20" {
      description
        "Correct description of AFI-SAFI enabled leaf.";
      reference
        "5.0.1";

    }

    revision "2018-04-11" {
      description
        "Correct naming of BGP maximum prefix warning percentage leaf.";
      reference
        "5.0.0";

    }

    revision "2018-03-20" {
      description "Added SR-TE policy SAFI";
      reference
        "4.1.0";

    }

    revision "2017-07-10" {
      description
        "Add error notifications; moved add-paths config; add AS
      prepend policy features; removed unneeded config leaves";
      reference
        "4.0.0";

    }

    revision "2017-02-02" {
      description
        "Bugfix to remove remaining global-level policy data";
      reference
        "3.0.1";

    }

    revision "2017-01-26" {
      description
        "Add dynamic neighbor support, migrate to OpenConfig types";
      reference
        "3.0.0";

    }

    revision "2016-06-21" {
      description "OpenConfig BGP refactor";
      reference
        "2.1.1";

    }

    oc-ext:openconfig-version "8.1.0";
    oc-ext:catalog-organization "openconfig";
    oc-ext:origin "openconfig";

    typedef bgp-set-community-option-type {
      type enumeration {
        enum "ADD" {
          value 0;
          description
            "add the specified communities to the existing
          community attribute";
        }
        enum "REMOVE" {
          value 1;
          description
            "remove the specified communities from the
          existing community attribute";
        }
        enum "REPLACE" {
          value 2;
          description
            "replace the existing community attribute with
          the specified communities. If an empty set is
          specified, this removes the community attribute
          from the route.";
        }
      }
      description
        "Type definition for options when setting the community
      attribute in a policy action";
    }

    typedef bgp-next-hop-type {
      type union {
        type oc-inet:ip-address;
        type enumeration {
          enum "SELF" {
            value 0;
            description
              "special designation for local router's own
          address, i.e., next-hop-self";
          }
          enum "PEER_ADDRESS" {
            value 1;
            description
              "The ip address of the peer should be used.
          This enum is efficient to use when setting the next hop
          in a policy applied to a peer group.";
          }
        }
      }
      description
        "type definition for specifying next-hop in policy actions";
    }

    typedef bgp-set-med-type {
      type union {
        type uint32;
        type enumeration {
          enum "IGP" {
            value 0;
            description
              "Set the MED value to the IGP cost toward the next hop for
            the route";
          }
        }
      }
      description
        "Type definition for specifying how the BGP MED can be set in BGP
      policy actions.  The MED can be specified as a direct integer
      value or setting it to the IGP cost.  To be used in conjunction
      with `bgp-set-med-action` in order to specify the appropriate
      action to take on this value.";
    }

    typedef bgp-set-med-action {
      type enumeration {
        enum "SET" {
          value 0;
          description
            "Action to set the MED to a specific value.";
        }
        enum "ADD" {
          value 1;
          description
            "Action to increment the previous MED value.";
        }
        enum "SUBTRACT" {
          value 2;
          description
            "Action to decrement the previous MED value.";
        }
      }
      description
        "Specifies which action to take on the value specified by the
      bgp-set-med-type.";
    }
  }  // module openconfig-bgp-policy