api: support buffer limit in clientTrafficPolicy

api/v1alpha1/connection_types.go

@@ -5,14 +5,22 @@
 
 package v1alpha1
 
-import gwapiv1 "sigs.k8s.io/gateway-api/apis/v1"
+import (
+	"k8s.io/apimachinery/pkg/api/resource"
+	gwapiv1 "sigs.k8s.io/gateway-api/apis/v1"
+)
 
 // Connection allows users to configure connection-level settings
 type Connection struct {
 	// Limit defines limits related to connections
 	//
 	// +optional
 	Limit *ConnectionLimit `json:"limit,omitempty"`
+	// ConnectionBufferLimit provides configuration for the maximum buffer size for each incoming connection.
+	// Default: 32768 bytes.
+	//
+	// +optional
+	BufferLimit *resource.Quantity `json:"bufferLimit,omitempty"`
 }
 
 type ConnectionLimit struct {

charts/gateway-helm/crds/generated/gateway.envoyproxy.io_clienttrafficpolicies.yaml

@@ -94,6 +94,15 @@ spec:
               connection:
                 description: Connection includes client connection settings.
                 properties:
+                  bufferLimit:
+                    anyOf:
+                    - type: integer
+                    - type: string
+                    description: 'ConnectionBufferLimit provides configuration for
+                      the maximum buffer size for each incoming connection. Default:
+                      32768 bytes.'
+                    pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$
+                    x-kubernetes-int-or-string: true
                   limit:
                     description: Limit defines limits related to connections
                     properties:

site/content/en/latest/api/extension_types.md

@@ -386,6 +386,7 @@ _Appears in:_
 | Field | Type | Required | Description |
 | ---   | ---  | ---      | ---         |
 | `limit` | _[ConnectionLimit](#connectionlimit)_ |  false  | Limit defines limits related to connections |
+| `bufferLimit` | _[Quantity](#quantity)_ |  false  | ConnectionBufferLimit provides configuration for the maximum buffer size for each incoming connection. Default: 32768 bytes. |
 
 
 #### ConnectionLimit