add stats mode attribute for both OCS PORT and OCS CROSS_CONNECT

Signed-off-by: Nathan Ni <nathan.ni@coherent.com>

Author: wni0812

doc/OCS/SAI-Proposal-OCS.md

@@ -74,10 +74,12 @@ OCS cross-connect factory data are read-only information about factory beginning
 | ---- | ---- | ---- |
 |SAI_OBJECT_TYPE_OCS_CROSS_CONNECT  | SAI_OCS_CROSS_CONNECT_ATTR_A_SIDE_PORT_ID | sai_object_id_t
 | | SAI_OCS_CROSS_CONNECT_ATTR_B_SIDE_PORT_ID | sai_object_id_t
+| | SAI_OCS_CROSS_CONNECT_ATTR_STATS_MODE | sai_stats_mode_t
 | SAI_OBJECT_TYPE_OCS_PORT   | SAI_OCS_PORT_ATTR_NAME | sai_u8_list_t
 | | SAI_OCS_PORT_ATTR_OVERRIDE_STATE | sai_ocs_port_override_state_t
 | | SAI_OCS_PORT_ATTR_OPER_STATUS | sai_ocs_port_status_t
 | | SAI_OCS_PORT_ATTR_PHYSICAL_MAPPING | sai_u8_list_t
+| | SAI_OCS_PORT_ATTR_STATS_MODE | sai_u8_lsai_stats_mode_tist_t
 SAI_OBJECT_TYPE_OCS_CROSS_CONNECT_FACTORY_DATA | SAI_OCS_CROSS_CONNECT_FACTORY_DATA_ATTR_A_SIDE_PORT_NAME | sai_u8_list_t
 | | SAI_OCS_CROSS_CONNECT_FACTORY_DATA_ATTR_B_SIDE_PORT_NAME | sai_u8_list_t
 | | SAI_OCS_CROSS_CONNECT_FACTORY_DATA_ATTR_FREQUENCY_THZ | sai_s32_list_t

experimental/saiexperimentalocs.h

@@ -63,6 +63,15 @@ typedef enum _sai_ocs_cross_connect_attr_t
      */
     SAI_OCS_CROSS_CONNECT_ATTR_B_SIDE_PORT_ID,
 
+    /**
+     * @brief Global setting of read-clear or read-only for statistics read
+     *
+     * @type sai_stats_mode_t
+     * @flags CREATE_AND_SET
+     * @default SAI_STATS_MODE_READ_AND_CLEAR
+     */
+    SAI_OCS_CROSS_CONNECT_ATTR_STATS_MODE,
+
     /**
      * @brief End of attributes
      */
@@ -214,6 +223,15 @@ typedef enum _sai_ocs_port_attr_t
      */
     SAI_OCS_PORT_ATTR_PHYSICAL_MAPPING,
 
+    /**
+     * @brief Global setting of read-clear or read-only for statistics read
+     *
+     * @type sai_stats_mode_t
+     * @flags CREATE_AND_SET
+     * @default SAI_STATS_MODE_READ_AND_CLEAR
+     */
+    SAI_OCS_PORT_ATTR_STATS_MODE,
+
     /**
      * @brief End of attributes
      */