UEC Congestion Signaling Protocol

inc/saiacl.h

@@ -113,6 +113,26 @@ typedef enum _sai_acl_dtel_flow_op_t
 
 } sai_acl_dtel_flow_op_t;
 
+/**
+ * @brief CSIG Signal Type
+ * Value of signal in the specification is maintained in the enum order.
+ */
+typedef enum _sai_csig_signal_type_t
+{
+    /** Available Bandwidth */
+    SAI_CSIG_SIGNAL_TYPE_ABW = 0,
+
+    /** Normalized Available Bandwidth */
+    SAI_CSIG_SIGNAL_TYPE_ABWC = 1,
+
+    /** Delay */
+    SAI_CSIG_SIGNAL_TYPE_DELAY = 2,
+
+    /** Normalized Queue Depth */
+    SAI_CSIG_SIGNAL_TYPE_NQD = 3,
+
+} sai_csig_signal_type_t;
+
 /**
  * @brief ACL Action Type
  */
@@ -1588,10 +1608,46 @@ typedef enum _sai_acl_table_attr_t
      */
     SAI_ACL_TABLE_ATTR_FIELD_NEXT_HOP_USER_META = SAI_ACL_TABLE_ATTR_FIELD_START + 0x162,
 
+    /**
+     * @brief CSIG Compact Tag Ether Type
+     *
+     * @type bool
+     * @flags CREATE_ONLY
+     * @default false
+     */
+    SAI_ACL_TABLE_ATTR_FIELD_CSIG_COMPACT_TAG_ETHER_TYPE = SAI_ACL_TABLE_ATTR_FIELD_START + 0x163,
+
+    /**
+     * @brief CSIG Wide Tag Ether Type
+     *
+     * @type bool
+     * @flags CREATE_ONLY
+     * @default false
+     */
+    SAI_ACL_TABLE_ATTR_FIELD_CSIG_WIDE_TAG_ETHER_TYPE = SAI_ACL_TABLE_ATTR_FIELD_START + 0x164,
+
+    /**
+     * @brief CSIG Signal Type
+     *
+     * @type bool
+     * @flags CREATE_ONLY
+     * @default false
+     */
+    SAI_ACL_TABLE_ATTR_FIELD_CSIG_SIGNAL_TYPE = SAI_ACL_TABLE_ATTR_FIELD_START + 0x165,
+
+    /**
+     * @brief CSIG D Bit
+     *
+     * @type bool
+     * @flags CREATE_ONLY
+     * @default false
+     */
+    SAI_ACL_TABLE_ATTR_FIELD_CSIG_D_BIT = SAI_ACL_TABLE_ATTR_FIELD_START + 0x166,
+
     /**
      * @brief End of ACL Table Match Field
      */
-    SAI_ACL_TABLE_ATTR_FIELD_END = SAI_ACL_TABLE_ATTR_FIELD_NEXT_HOP_USER_META,
+    SAI_ACL_TABLE_ATTR_FIELD_END = SAI_ACL_TABLE_ATTR_FIELD_CSIG_D_BIT,
 
     /**
      * @brief ACL table entries associated with this table.
@@ -2728,10 +2784,48 @@ typedef enum _sai_acl_entry_attr_t
      */
     SAI_ACL_ENTRY_ATTR_FIELD_NEXT_HOP_USER_META = SAI_ACL_ENTRY_ATTR_FIELD_START + 0x162,
 
+    /**
+     * @brief CSIG Compact Tag Ether Type
+     *
+     * @type sai_acl_field_data_t sai_uint16_t
+     * @flags CREATE_AND_SET
+     * @isvlan false
+     * @default disabled
+     */
+    SAI_ACL_ENTRY_ATTR_FIELD_CSIG_COMPACT_TAG_ETHER_TYPE = SAI_ACL_ENTRY_ATTR_FIELD_START + 0x163,
+
+    /**
+     * @brief CSIG Wide Tag Ether Type
+     *
+     * @type sai_acl_field_data_t sai_uint16_t
+     * @flags CREATE_AND_SET
+     * @isvlan false
+     * @default disabled
+     */
+    SAI_ACL_ENTRY_ATTR_FIELD_CSIG_WIDE_TAG_ETHER_TYPE = SAI_ACL_ENTRY_ATTR_FIELD_START + 0x164,
+
+    /**
+     * @brief CSIG Signal Type
+     *
+     * @type sai_acl_field_data_t sai_csig_signal_type_t
+     * @flags CREATE_AND_SET
+     * @default disabled
+     */
+    SAI_ACL_ENTRY_ATTR_FIELD_CSIG_SIGNAL_TYPE = SAI_ACL_ENTRY_ATTR_FIELD_START + 0x165,
+
+    /**
+     * @brief CSIG D Bit
+     *
+     * @type sai_acl_field_data_t sai_uint8_t
+     * @flags CREATE_AND_SET
+     * @default disabled
+     */
+    SAI_ACL_ENTRY_ATTR_FIELD_CSIG_D_BIT = SAI_ACL_ENTRY_ATTR_FIELD_START + 0x166,
+
     /**
      * @brief End of Rule Match Fields
      */
-    SAI_ACL_ENTRY_ATTR_FIELD_END = SAI_ACL_ENTRY_ATTR_FIELD_NEXT_HOP_USER_META,
+    SAI_ACL_ENTRY_ATTR_FIELD_END = SAI_ACL_ENTRY_ATTR_FIELD_CSIG_D_BIT,
 
     /*
      * Actions [sai_acl_action_data_t]

inc/saiport.h

@@ -2798,6 +2798,25 @@ typedef enum _sai_port_attr_t
      */
     SAI_PORT_ATTR_PORT_PG_PKT_DROP_STATUS,
 
+    /**
+     * @brief Enable INT metadata deletion
+     *
+     * @type bool
+     * @flags CREATE_AND_SET
+     * @default false
+     */
+    SAI_PORT_ATTR_INT_DELETE,
+
+    /**
+     * @brief INT metadata
+     *
+     * @type sai_uint16_t
+     * @flags CREATE_AND_SET
+     * @isvlan false
+     * @default 0
+     */
+    SAI_PORT_ATTR_INT_METADATA,
+
     /**
      * @brief End of attributes
      */

inc/saiswitch.h

@@ -3539,6 +3539,27 @@ typedef enum _sai_switch_attr_t
      */
     SAI_SWITCH_ATTR_FAST_LINKUP_BER_THRESHOLD,
 
+    /**
+     * @brief Maximum number of timers supported for CSIG bandwidth signal
+     *
+     * @type sai_uint8_t
+     * @flags READ_ONLY
+     */
+    SAI_SWITCH_ATTR_MAX_CSIG_TIMERS,
+
+    /**
+     * @brief TAM INT bind point
+     *
+     * Bind (or unbind) the TAM INT object.
+     * SAI_NULL_OBJECT_ID in the attribute value.
+     *
+     * @type sai_object_list_t
+     * @flags CREATE_AND_SET
+     * @objects SAI_OBJECT_TYPE_TAM_INT
+     * @default empty
+     */
+    SAI_SWITCH_ATTR_TAM_INT_OBJECT_ID,
+
     /**
      * @brief End of attributes
      */

inc/saitam.h

@@ -484,6 +484,15 @@ typedef enum _sai_tam_int_type_t
      */
     SAI_TAM_INT_TYPE_PATH_TRACING,
 
+    /**
+     * @brief INT type Congestion Signaling compact tag
+     */
+    SAI_TAM_INT_TYPE_CSIG_COMPACT,
+
+    /**
+     * @brief INT type Congestion Signaling wide tag
+     */
+    SAI_TAM_INT_TYPE_CSIG_WIDE,
 } sai_tam_int_type_t;
 
 /**
@@ -512,10 +521,87 @@ typedef enum _sai_tam_int_presence_type_t
     /**
      * @brief INT presence type DSCP
      */
-    SAI_TAM_INT_PRESENCE_TYPE_DSCP
+    SAI_TAM_INT_PRESENCE_TYPE_DSCP,
 
+    /**
+     * @brief INT presence type Ether Type Code Point
+     */
+    SAI_TAM_INT_PRESENCE_TYPE_ETH_TYPE,
 } sai_tam_int_presence_type_t;
 
+/**
+ * @brief Bandwidth time interval units
+ */
+typedef enum _sai_tam_int_bw_time_interval_unit_t
+{
+    /**
+     * @brief Time interval unit nanosecond
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_UNIT_NANOSEC,
+
+    /**
+     * @brief Time interval unit microsecond
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_UNIT_USEC,
+
+    /**
+     * @brief Time interval unit millisecond
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_UNIT_MSEC,
+
+} sai_tam_int_bw_time_interval_unit_t;
+
+/**
+ * @brief BW time intervals
+ */
+typedef enum _sai_tam_int_bw_time_interval_t
+{
+    /**
+     * @brief Time window 128
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_128,
+
+    /**
+     * @brief Time window 256
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_256,
+
+    /**
+     * @brief Time window 384
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_384,
+
+    /**
+     * @brief Time window 512
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_512,
+
+    /**
+     * @brief Time window 640
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_640,
+
+    /**
+     * @brief Time window 768
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_768,
+
+    /**
+     * @brief Time window 896
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_896,
+
+    /**
+     * @brief Time window 1024
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_1024,
+
+    /**
+     * @brief Vendor defined time window
+     */
+    SAI_TAM_INT_BW_TIME_INTERVAL_VENDOR_DEFINED,
+} sai_tam_int_bw_time_interval_t;
+
 /**
  * @brief Attributes for TAM INT
  */
@@ -801,6 +887,97 @@ typedef enum _sai_tam_int_attr_t
      */
     SAI_TAM_INT_ATTR_REPORT_ID,
 
+    /**
+     * @brief Ethernet code point value that indicates presence of CSIG compact tag in a packet
+     *
+     * @type sai_uint16_t
+     * @flags MANDATORY_ON_CREATE | CREATE_ONLY
+     * @isvlan false
+     * @condition SAI_TAM_INT_ATTR_INT_PRESENCE_TYPE == SAI_TAM_INT_PRESENCE_TYPE_ETH_TYPE
+     */
+    SAI_TAM_INT_ATTR_ETH_TYPE_CODE_POINT,
+
+    /**
+     * @brief CSIG signal type
+     *
+     * @type sai_csig_signal_type_t
+     * @flags CREATE_AND_SET
+     * @default SAI_CSIG_SIGNAL_TYPE_ABW
+     */
+    SAI_TAM_INT_ATTR_CSIG_SIGNAL_TYPE,
+
+    /**
+     * @brief Time interval for bandwidth computation
+     *
+     * @type sai_tam_int_bw_time_interval_t
+     * @flags CREATE_AND_SET
+     * @default SAI_TAM_INT_BW_TIME_INTERVAL_256
+     * @validonly SAI_TAM_INT_ATTR_CSIG_SIGNAL_TYPE == SAI_CSIG_SIGNAL_TYPE_ABW or SAI_TAM_INT_ATTR_CSIG_SIGNAL_TYPE == SAI_CSIG_SIGNAL_TYPE_ABWC
+     */
+    SAI_TAM_INT_ATTR_BW_TIME_INTERVAL,
+
+    /**
+     * @brief Bandwidth time Interval Units
+     *
+     * @type sai_tam_int_bw_time_interval_unit_t
+     * @flags CREATE_AND_SET
+     * @default SAI_TAM_INT_BW_TIME_INTERVAL_UNIT_USEC
+     * @validonly SAI_TAM_INT_ATTR_CSIG_SIGNAL_TYPE == SAI_CSIG_SIGNAL_TYPE_ABW or SAI_TAM_INT_ATTR_CSIG_SIGNAL_TYPE == SAI_CSIG_SIGNAL_TYPE_ABWC
+     */
+    SAI_TAM_INT_ATTR_BW_TIME_INTERVAL_UNIT,
+
+    /**
+     * @brief Number of quantization bands
+     * Compact tag supports maximum of 32 bands and wide tag supports maximum of 1048576 bands
+     *
+     * @type sai_uint32_t
+     * @flags CREATE_AND_SET
+     * @default 32
+     * @validonly SAI_TAM_INT_ATTR_TYPE == SAI_TAM_INT_TYPE_CSIG_COMPACT or SAI_TAM_INT_ATTR_TYPE == SAI_TAM_INT_TYPE_CSIG_WIDE
+     */
+    SAI_TAM_INT_ATTR_QUANT_BANDS,
+
+    /**
+     * @brief Quantization band range values for compact tag
+     *
+     * @type sai_u32_range_list_t
+     * @flags CREATE_AND_SET
+     * @default empty
+     * @validonly SAI_TAM_INT_ATTR_TYPE == SAI_TAM_INT_TYPE_CSIG_COMPACT
+     */
+    SAI_TAM_INT_ATTR_QUANT_BAND_UINT32_RANGE_LIST,
+
+    /**
+     * @brief Base value for wide tag quantization. Must be power of 2
+     *
+     * @type sai_uint32_t
+     * @flags CREATE_AND_SET
+     * @default 0
+     * @validonly SAI_TAM_INT_ATTR_TYPE == SAI_TAM_INT_TYPE_CSIG_WIDE
+     */
+    SAI_TAM_INT_ATTR_WIDE_QUANT_BASE_VALUE,
+
+    /**
+     * @brief Step value for wide tag quantization. Must be power of 2
+     *
+     * @type sai_uint32_t
+     * @flags CREATE_AND_SET
+     * @default 0
+     * @validonly SAI_TAM_INT_ATTR_TYPE == SAI_TAM_INT_TYPE_CSIG_WIDE
+     */
+    SAI_TAM_INT_ATTR_WIDE_QUANT_STEP_VALUE,
+
+    /**
+     * @brief Update the D bit indicating the packet is trimmed
+     * DSCP value configured for TRIM packets comes from the TRIM configuration
+     *
+     * @type bool
+     * @flags CREATE_AND_SET
+     * @default false
+     * @validonly SAI_TAM_INT_ATTR_TYPE == SAI_TAM_INT_TYPE_CSIG_COMPACT or SAI_TAM_INT_ATTR_TYPE == SAI_TAM_INT_TYPE_CSIG_WIDE
+     */
+    SAI_TAM_INT_ATTR_CSIG_D_BIT,
+
     /**
      * @brief End of Attributes
      */