add pending resimulatin state.

sonic-net · Mar 11, 2024 · 3cf763c · 3cf763c
1 parent ee2e49f
commit 3cf763c
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Showing 2 changed files with 11 additions and 6 deletions.
diff --git a/dash-pipeline/bmv2/dash_metadata.p4 b/dash-pipeline/bmv2/dash_metadata.p4
@@ -104,10 +104,11 @@ enum bit<8> dash_ha_role_t {
 
 // Flow sync state
 enum bit<8> dash_ha_flow_sync_state_t {
-    FLOW_MISS = 0,
-    FLOW_CREATED = 1,
-    FLOW_SYNCED = 2,
-    FLOW_PENDING_DELETE = 3
+    FLOW_MISS = 0,                  // Flow not created yet
+    FLOW_CREATED = 1,               // Flow is created but not synched or waiting for ack
+    FLOW_SYNCED = 2,                // Flow has been synched to its peer
+    FLOW_PENDING_DELETE = 3,        // Flow is pending deletion, waiting for ack
+    FLOW_PENDING_RESIMULATION = 4   // Flow is marked as pending resimulation
 };
 
 // HA flow sync operations

diff --git a/documentation/high-avail/ha-api-hld.md b/documentation/high-avail/ha-api-hld.md
@@ -136,7 +136,8 @@ typedef enum _sai_dash_ha_flow_sync_state_t
     SAI_DASH_HA_FLOW_SYNC_STATE_FLOW_MISS,
     SAI_DASH_HA_FLOW_SYNC_STATE_FLOW_CREATED,
     SAI_DASH_HA_FLOW_SYNC_STATE_FLOW_SYNCED,
-    SAI_DASH_HA_FLOW_SYNC_STATE_FLOW_PENDING_DELETE
+    SAI_DASH_HA_FLOW_SYNC_STATE_FLOW_PENDING_DELETE,
+    SAI_DASH_HA_FLOW_SYNC_STATE_FLOW_PENDING_RESIMULATION
 } sai_dash_ha_flow_sync_state_t;
 ```
 
@@ -148,15 +149,18 @@ stateDiagram-v2
     C: FLOW_CREATED
     S: FLOW_SYNCED
     D: FLOW_PENDING_DELETE
+    R: FLOW_PENDING_RESIMULATION
 
     M --> C: Flow created
     M --> S: Flow sync request<br>received on<br>standby node
 
     C --> S: Flow sync ack received
-    S --> C: Flow resimulated
+    S --> R: Flow resimulation requested
+    R --> C: Flow updated
 
     C --> D: Flow deleted
     S --> D: Flow deleted
+    R --> D: Flow deleted
 
     D --> M: Flow sync ack received
 ```