Add packet trimming counters

Author: sallylsy

release/models/interfaces/openconfig-interfaces.yang

@@ -13,6 +13,7 @@ module openconfig-interfaces {
   import openconfig-types { prefix oc-types; }
   import openconfig-extensions { prefix oc-ext; }
   import openconfig-transport-types { prefix oc-opt-types; }
+  import openconfig-platform-integrated-circuit { prefix oc-ic; }
 
   // meta
   organization "OpenConfig working group";
@@ -51,7 +52,13 @@ module openconfig-interfaces {
     Section 4.c of the IETF Trust's Legal Provisions Relating
     to IETF Documents (http://trustee.ietf.org/license-info).";
 
-  oc-ext:openconfig-version "3.8.1";
+  oc-ext:openconfig-version "3.9.0";
+
+  revision "2026-03-25" {
+    description
+      "Add port level pakcet trimming counters.";
+    reference "3.9.0";
+  }
 
   revision "2026-01-06" {
       description
@@ -1366,6 +1373,7 @@ module openconfig-interfaces {
 
             uses interface-common-counters-state;
             uses interface-counters-state;
+            uses oc-ic:trim-pkts-counters-top;
           }
         }
 

release/models/platform/openconfig-platform-integrated-circuit.yang

@@ -7,6 +7,7 @@ module openconfig-platform-integrated-circuit {
 
   import openconfig-platform { prefix oc-platform; }
   import openconfig-extensions { prefix oc-ext; }
+  import openconfig-yang-types { prefix oc-yang; }
 
   organization "OpenConfig working group";
   contact
@@ -19,7 +20,13 @@ module openconfig-platform-integrated-circuit {
     These components are generically forwarding NPUs or ASICs within
     the system for which configuration or state is applicable.";
 
-  oc-ext:openconfig-version "0.3.1";
+  oc-ext:openconfig-version "0.4.0";
+
+  revision "2026-03-25" {
+    description
+      "Add counters for packet trimming.";
+    reference "0.4.0";
+  }
 
   revision "2022-04-20" {
     description
@@ -171,6 +178,40 @@ module openconfig-platform-integrated-circuit {
     }
   }
 
+  grouping trim-pkts-counters-top {
+    description
+      "Structural grouping for packet trimming counters.";
+
+    leaf out-trim-pkts {
+      type oc-yang:counter64;
+      description
+        "Number of packets got trimmed and successfully
+        transmitted";
+    }
+
+    uses trim-pkts-common-counters-top;
+  }
+
+  grouping trim-pkts-common-counters-top {
+    description
+      "Structural grouping for packet trimming counters.
+      Counters collected at port level, queue level and
+      switch level.";
+
+    leaf trim-pkts {
+      type oc-yang:counter64;
+      description
+        "Number of packet got trimmed.";
+    }
+
+    leaf dropped-trim-pkts {
+      type oc-yang:counter64;
+      description
+        "Number of packet got trimmed but dropped due to
+        failed shared buffer admission on trim queue.";
+    }
+  }
+
   augment "/oc-platform:components/oc-platform:component/oc-platform:integrated-circuit" {
     description
       "Augment integrated circuit components with backplane-facing capacity and memory errors.";

release/models/platform/openconfig-platform-pipeline-counters.yang

@@ -9,6 +9,7 @@ module openconfig-platform-pipeline-counters {
   import openconfig-types { prefix oc-types; }
   import openconfig-extensions { prefix oc-ext; }
   import openconfig-platform { prefix oc-platform; }
+  import openconfig-platform-integrated-circuit { prefix oc-ic; }
 
   organization
     "OpenConfig working group";
@@ -65,10 +66,16 @@ module openconfig-platform-pipeline-counters {
     5 blocks, is to have the abililty to receive all drop counters from
     all 5 blocks, for example, with one request.";
 
-  oc-ext:openconfig-version "0.5.1";
+  oc-ext:openconfig-version "0.6.0";
   oc-ext:catalog-organization "openconfig";
   oc-ext:origin "openconfig";
 
+  revision "2026-03-25" {
+    description
+      "Add switch level pakcet trimming counters.";
+    reference "0.6.0";
+  }
+
   revision "2023-10-08" {
     description
       "More detail description of pipe-line aggregated drop counters";
@@ -203,6 +210,17 @@ module openconfig-platform-pipeline-counters {
             uses pipeline-counters-packet-host-interface-block-state;
           }
         }
+
+        container trim {
+          description
+            "Packet trimming counters for entire device.";
+          container state {
+            description
+              "State counters for packet trimming.";
+
+            uses oc-ic:trim-pkts-common-counters-top;
+          }
+        }
       }
 
       container drop {

release/models/qos/openconfig-qos-interfaces.yang

@@ -8,6 +8,7 @@ submodule openconfig-qos-interfaces {
   import openconfig-extensions { prefix oc-ext; }
   import openconfig-interfaces { prefix oc-if; }
   import openconfig-yang-types { prefix oc-yang; }
+  import openconfig-platform-integrated-circuit { prefix oc-ic; }
 
   include openconfig-qos-elements;
   include openconfig-qos-mem-mgmt;
@@ -25,7 +26,13 @@ submodule openconfig-qos-interfaces {
     configuration and operational state associated with
     interfaces.";
 
-  oc-ext:openconfig-version "2.0.1";
+  oc-ext:openconfig-version "2.1.0";
+
+  revision "2026-03-25" {
+    description
+      "Add queue level pakcet trimming counters.";
+    reference "2.1.0";
+  }
 
   revision "2026-01-24" {
     description
@@ -461,6 +468,7 @@ submodule openconfig-qos-interfaces {
 
         Octets are counted regardless of its ECN codepoint";
     }
+  
   }
 
   grouping qos-interface-queue-top {
@@ -510,11 +518,61 @@ submodule openconfig-qos-interfaces {
     }
   }
 
-  grouping qos-interface-queue-root-top {
+  grouping qos-interface-input-queue-root-top {
+    description
+      "Top-level grouping for the queue associated with the
+      interface - used only for /qos/interfaces/interface/input
+      rather than in multiple contexts.";
+
+    container queues {
+      description
+        "Surrounding container for a list of queues that are
+        instantiated on an interface.";
+
+      list queue {
+        key "name";
+
+        description
+          "Top-level container for the queue associated with this
+          interface";
+
+        leaf name {
+          type leafref {
+            path "../config/name";
+          }
+          description
+            "Reference to the name of the queue
+            instantiated on the interface.";
+        }
+
+        container config {
+          description
+            "Configuration data for the queue associated with the
+            interface";
+
+          uses qos-interface-queue-config;
+          uses qos-interface-queue-root-config;
+        }
+
+        container state {
+          config false;
+          description
+            "Operational state data for the queue associated with the
+            interface";
+
+          uses qos-interface-queue-config;
+          uses qos-interface-queue-root-config;
+          uses qos-interface-queue-state;
+        }
+      }
+    }
+  }
+
+  grouping qos-interface-output-queue-root-top {
     description
       "Top-level grouping for the queue associated with the
-      interface - used only for /qos/interfaces/interface rather
-      than in multiple contexts.";
+      interface - used only for /qos/interfaces/interface/output
+      rather than in multiple contexts.";
 
     container queues {
       description
@@ -555,6 +613,7 @@ submodule openconfig-qos-interfaces {
           uses qos-interface-queue-config;
           uses qos-interface-queue-root-config;
           uses qos-interface-queue-state;
+          uses oc-ic:trim-pkts-counters-top;
         }
       }
     }
@@ -882,7 +941,7 @@ submodule openconfig-qos-interfaces {
       }
 
       uses qos-interface-classifier-top;
-      uses qos-interface-queue-root-top;
+      uses qos-interface-input-queue-root-top;
       uses qos-interface-scheduler-top;
       uses qos-interface-voqs-top;
     }
@@ -993,7 +1052,7 @@ submodule openconfig-qos-interfaces {
       }
 
       uses qos-interface-classifier-top;
-      uses qos-interface-queue-root-top;
+      uses qos-interface-output-queue-root-top;
       uses qos-interface-scheduler-top;
     }
   }