diff --git a/inc/saiacl.h b/inc/saiacl.h
index 4989c3d16..52b963ace 100644
--- a/inc/saiacl.h
+++ b/inc/saiacl.h
@@ -324,6 +324,9 @@ typedef enum _sai_acl_action_type_t
     /** Bind a TAM object */
     SAI_ACL_ACTION_TYPE_TAM_OBJECT = 0x0000003d,
 
+    /** Bind a TAM event object */
+    SAI_ACL_ACTION_TYPE_TAM_EVENT_OBJECT = 0x0000003e,
+
     /** Custom range base value */
     SAI_ACL_ACTION_TYPE_CUSTOM_RANGE_BASE = 0x10000000
 
@@ -1647,10 +1650,19 @@ typedef enum _sai_acl_table_attr_t
      */
     SAI_ACL_TABLE_ATTR_FIELD_CSIG_D_BIT = SAI_ACL_TABLE_ATTR_FIELD_START + 0x166,
 
+    /**
+     * @brief Drop Reason
+     *
+     * @type bool
+     * @flags CREATE_ONLY
+     * @default false
+     */
+    SAI_ACL_TABLE_ATTR_FIELD_DROP_REASON = SAI_ACL_TABLE_ATTR_FIELD_START + 0x167,
+
     /**
      * @brief End of ACL Table Match Field
      */
-    SAI_ACL_TABLE_ATTR_FIELD_END = SAI_ACL_TABLE_ATTR_FIELD_CSIG_D_BIT,
+    SAI_ACL_TABLE_ATTR_FIELD_END = SAI_ACL_TABLE_ATTR_FIELD_DROP_REASON,
 
     /**
      * @brief ACL table entries associated with this table.
@@ -2825,10 +2837,19 @@ typedef enum _sai_acl_entry_attr_t
      */
     SAI_ACL_ENTRY_ATTR_FIELD_CSIG_D_BIT = SAI_ACL_ENTRY_ATTR_FIELD_START + 0x166,
 
+    /**
+     * @brief Drop Reason
+     *
+     * @type sai_acl_field_data_t sai_uint32_t
+     * @flags CREATE_AND_SET
+     * @default disabled
+     */
+    SAI_ACL_ENTRY_ATTR_FIELD_DROP_REASON = SAI_ACL_ENTRY_ATTR_FIELD_START + 0x167,
+
     /**
      * @brief End of Rule Match Fields
      */
-    SAI_ACL_ENTRY_ATTR_FIELD_END = SAI_ACL_ENTRY_ATTR_FIELD_CSIG_D_BIT,
+    SAI_ACL_ENTRY_ATTR_FIELD_END = SAI_ACL_ENTRY_ATTR_FIELD_DROP_REASON,
 
     /*
      * Actions [sai_acl_action_data_t]
@@ -3474,10 +3495,23 @@ typedef enum _sai_acl_entry_attr_t
      */
     SAI_ACL_ENTRY_ATTR_ACTION_TAM_OBJECT = SAI_ACL_ENTRY_ATTR_ACTION_START + 0x3d,
 
+    /**
+     * @brief ACL bind point for TAM event object
+     *
+     * Bind (or unbind) a TAM event object.
+     *
+     * @type sai_acl_action_data_t sai_object_id_t
+     * @flags CREATE_AND_SET
+     * @objects SAI_OBJECT_TYPE_TAM_EVENT
+     * @allownull true
+     * @default disabled
+     */
+    SAI_ACL_ENTRY_ATTR_ACTION_TAM_EVENT_OBJECT = SAI_ACL_ENTRY_ATTR_ACTION_START + 0x3e,
+
     /**
      * @brief End of Rule Actions
      */
-    SAI_ACL_ENTRY_ATTR_ACTION_END = SAI_ACL_ENTRY_ATTR_ACTION_TAM_OBJECT,
+    SAI_ACL_ENTRY_ATTR_ACTION_END = SAI_ACL_ENTRY_ATTR_ACTION_TAM_EVENT_OBJECT,
 
     /**
      * @brief End of ACL Entry attributes
diff --git a/inc/saiswitch.h b/inc/saiswitch.h
index e77d1f985..7a04d6bad 100644
--- a/inc/saiswitch.h
+++ b/inc/saiswitch.h
@@ -3593,6 +3593,18 @@ typedef enum _sai_switch_attr_t
      */
     SAI_SWITCH_ATTR_PTP_SYNTONIZE_ADJUST,
 
+    /**
+     * @brief Event learn notification callback
+     * function passed to the adapter.
+     *
+     * Use sai_tam_event_learn_notification_fn as notification function.
+     *
+     * @type sai_pointer_t sai_tam_event_learn_notification_fn
+     * @flags CREATE_AND_SET
+     * @default NULL
+     */
+    SAI_SWITCH_ATTR_TAM_EVENT_LEARN_NOTIFY,
+
     /**
      * @brief End of attributes
      */
diff --git a/inc/saitam.h b/inc/saitam.h
index 651641886..1e747e571 100644
--- a/inc/saitam.h
+++ b/inc/saitam.h
@@ -2311,6 +2311,32 @@ typedef sai_status_t (*sai_set_tam_event_action_attribute_fn)(
         _In_ sai_object_id_t tam_event_action_id,
         _In_ const sai_attribute_t *attr);
 
+/**
+ * @brief Packet drop types.
+ */
+typedef enum _sai_packet_drop_type_t
+{
+    /**
+     * @brief No drops monitored
+     */
+    SAI_PACKET_DROP_TYPE_NONE,
+
+    /**
+     * @brief Ingress drops
+     */
+    SAI_PACKET_DROP_TYPE_INGRESS,
+
+    /**
+     * @brief Egress drops
+     */
+    SAI_PACKET_DROP_TYPE_EGRESS,
+
+    /**
+     * @brief Buffer related drops
+     */
+    SAI_PACKET_DROP_TYPE_BUFFER,
+} sai_packet_drop_type_t;
+
 /**
  * @brief Tam event attributes
  */
@@ -2367,6 +2393,26 @@ typedef enum _sai_tam_event_attr_t
      */
     SAI_TAM_EVENT_ATTR_DSCP_VALUE,
 
+    /**
+     * @brief Enable hardware based learning of events
+     *
+     * @type bool
+     * @flags CREATE_AND_SET
+     * @default false
+     * @validonly SAI_TAM_EVENT_ATTR_TYPE == SAI_TAM_EVENT_TYPE_PACKET_DROP
+     */
+    SAI_TAM_EVENT_ATTR_HW_LEARN,
+
+    /**
+     * @brief Enable hardware based learning of events
+     *
+     * @type sai_packet_drop_type_t
+     * @flags CREATE_AND_SET
+     * @default SAI_PACKET_DROP_TYPE_NONE
+     * @validonly SAI_TAM_EVENT_ATTR_TYPE == SAI_TAM_EVENT_TYPE_PACKET_DROP
+     */
+    SAI_TAM_EVENT_ATTR_PACKET_DROP_TYPE,
+
     /**
      * @brief End of Attributes
      */
@@ -2575,6 +2621,66 @@ typedef void (*sai_tam_event_notification_fn)(
         _In_ uint32_t attr_count,
         _In_ const sai_attribute_t *attr_list);
 
+/**
+ * @brief TAM tam learn entry
+ */
+typedef struct _sai_tam_event_learn_entry_t
+{
+    /**
+     * @brief Switch ID
+     *
+     * @objects SAI_OBJECT_TYPE_SWITCH
+     */
+    sai_object_id_t switch_id;
+
+    /**
+     * @brief Ingress Port ID
+     *
+     * @objects SAI_OBJECT_TYPE_SWITCH
+     */
+    sai_object_id_t ingress_port_id;
+
+    /** IP address */
+    sai_ip_address_t ip_address;
+
+    /** Drop Reason Code */
+    sai_uint32_t drop_reason;
+
+} sai_tam_event_learn_entry_t;
+
+/**
+ * @brief Notification data format received from SAI TAM event learn callback
+ *
+ * @count attr[attr_count]
+ */
+typedef struct _sai_tam_event_learn_notification_data_t
+{
+    /** TAM event learn entry */
+    sai_tam_event_learn_entry_t learn_entry;
+
+    /** Attributes count */
+    uint32_t attr_count;
+
+    /**
+     * @brief Attributes
+     *
+     * @objects SAI_OBJECT_TYPE_ACL_ENTRY
+     */
+    sai_attribute_t *attr;
+} sai_tam_event_learn_notification_data_t;
+
+/**
+ * @brief TAM Event learn notifications
+ *
+ * @count data[count]
+ *
+ * @param[in] count Number of notifications
+ * @param[in] data Pointer to TAM event learn notification data array
+ */
+typedef void (*sai_tam_event_learn_notification_fn)(
+        _In_ uint32_t count,
+        _In_ const sai_tam_event_learn_notification_data_t *data);
+
 /**
  * @brief TAM telemetry data get API
  *
diff --git a/meta/parse.pl b/meta/parse.pl
index 86c92a512..b43312914 100755
--- a/meta/parse.pl
+++ b/meta/parse.pl
@@ -2720,6 +2720,7 @@ sub ProcessStructValueType
     return "SAI_ATTR_VALUE_TYPE_INT32"            if defined $SAI_ENUMS{$type}; # enum
 
     return "-1"                                   if $type eq "sai_fdb_entry_t";
+    return "-1"                                   if $type eq "sai_tam_event_learn_entry_t";
     return "-1"                                   if $type eq "sai_nat_entry_t";
     return "-1"                                   if $type eq "sai_attribute_t*";
 
diff --git a/meta/saisanitycheck.c b/meta/saisanitycheck.c
index 43524372d..74dd2af29 100644
--- a/meta/saisanitycheck.c
+++ b/meta/saisanitycheck.c
@@ -6352,6 +6352,7 @@ void check_struct_and_union_size()
     CHECK_STRUCT_SIZE(sai_prbs_per_lane_rx_state_list_t, 16);
     CHECK_STRUCT_SIZE(sai_prbs_bit_error_rate_t, 16);
     CHECK_STRUCT_SIZE(sai_prbs_per_lane_bit_error_rate_list_t, 16);
+    CHECK_STRUCT_SIZE(sai_tam_event_learn_entry_t, 40);
 }
 #pragma GCC diagnostic pop