[dpdk-dev,v3,4/4] doc: update documentation for flow classify lib

diff --git a/doc/guides/prog_guide/flow_classify_lib.rst b/doc/guides/prog_guide/flow_classify_lib.rst
index 820dc72..6007e45 100644
--- a/doc/guides/prog_guide/flow_classify_lib.rst
+++ b/doc/guides/prog_guide/flow_classify_lib.rst
@@ -101,30 +101,50 @@  The library has the following API's
      *   Handle to flow classifier instance
      * @param params
      *   Parameters for flow_classify table creation
-     * @param table_id
-     *   Table ID. Valid only within the scope of table IDs of the current
-     *   classifier. Only returned after a successful invocation.
      * @return
      *   0 on success, error code otherwise
      */
     int
     rte_flow_classify_table_create(struct rte_flow_classifier *cls,
-           struct rte_flow_classify_table_params *params,
-           uint32_t *table_id);
+           struct rte_flow_classify_table_params *params);
+
+    /**
+     * Validate the flow classify rule
+     *
+     * @param[in] cls
+     *   Handle to flow classifier instance
+     * @param[in] attr
+     *   Flow rule attributes
+     * @param[in] pattern
+     *   Pattern specification (list terminated by the END pattern item).
+     * @param[in] actions
+     *   Associated actions (list terminated by the END pattern item).
+     * @param[out] error
+     *   Perform verbose error reporting if not NULL. Structure
+     *   initialised in case of error only.
+     * @return
+     *   0 on success, error code otherwise
+     */
+    int
+    rte_flow_classify_validate(struct rte_flow_classifier *cls,
+            const struct rte_flow_attr *attr,
+            const struct rte_flow_item pattern[],
+            const struct rte_flow_action actions[],
+            struct rte_flow_error *error);
 
     /**
      * Add a flow classify rule to the flow_classifier table.
      *
      * @param[in] cls
      *   Flow classifier handle
-     * @param[in] table_id
-     *   id of table
      * @param[in] attr
      *   Flow rule attributes
      * @param[in] pattern
      *   Pattern specification (list terminated by the END pattern item).
      * @param[in] actions
      *   Associated actions (list terminated by the END pattern item).
+     * @param[out] key_found
+     *   returns 1 if rule present already, 0 otherwise.
      * @param[out] error
      *   Perform verbose error reporting if not NULL. Structure
      *   initialised in case of error only.
@@ -133,10 +153,10 @@  The library has the following API's
      */
     struct rte_flow_classify_rule *
     rte_flow_classify_table_entry_add(struct rte_flow_classifier *cls,
-            uint32_t table_id,
             const struct rte_flow_attr *attr,
             const struct rte_flow_item pattern[],
             const struct rte_flow_action actions[],
+            int *key_found;
             struct rte_flow_error *error);
 
     /**
@@ -144,8 +164,6 @@  The library has the following API's
      *
      * @param[in] cls
      *   Flow classifier handle
-     * @param[in] table_id
-     *   id of table
      * @param[in] rule
      *   Flow classify rule
      * @return
@@ -153,7 +171,6 @@  The library has the following API's
      */
     int
     rte_flow_classify_table_entry_delete(struct rte_flow_classifier *cls,
-            uint32_t table_id,
             struct rte_flow_classify_rule *rule);
 
     /**
@@ -161,8 +178,6 @@  The library has the following API's
      *
      * @param[in] cls
      *   Flow classifier handle
-     * @param[in] table_id
-     *   id of table
      * @param[in] pkts
      *   Pointer to packets to process
      * @param[in] nb_pkts
@@ -177,7 +192,6 @@  The library has the following API's
      */
     int
     rte_flow_classifier_query(struct rte_flow_classifier *cls,
-            uint32_t table_id,
             struct rte_mbuf **pkts,
             const uint16_t nb_pkts,
             struct rte_flow_classify_rule *rule,
@@ -200,16 +214,13 @@  application before calling the API.
         /** CPU socket ID where memory for the flow classifier and its */
         /** elements (tables) should be allocated */
         int socket_id;
-
-        /** Table type */
-        enum rte_flow_classify_table_type type;
     };
 
 The ``Classifier`` has the following internal structures:
 
 .. code-block:: c
 
-    struct rte_table {
+    struct rte_cls_table {
         /* Input parameters */
         struct rte_table_ops ops;
         uint32_t entry_size;
@@ -225,11 +236,16 @@  The ``Classifier`` has the following internal structures:
         /* Input parameters */
         char name[RTE_FLOW_CLASSIFIER_MAX_NAME_SZ];
         int socket_id;
-        enum rte_flow_classify_table_type type;
 
-        /* Internal tables */
-        struct rte_table tables[RTE_FLOW_CLASSIFY_TABLE_MAX];
+        /* Internal */
+        /* ntuple_fliter */
+        struct rte_eth_ntuple_filter ntuple_filter;
+
+        /* clasifier tables */
+        struct rte_cls_table tables[RTE_FLOW_CLASSIFY_TABLE_MAX];
+        uint32_t table_mask;
         uint32_t num_tables;
+
         uint16_t nb_pkts;
         struct rte_flow_classify_table_entry
             *entries[RTE_PORT_IN_BURST_SIZE_MAX];
@@ -252,9 +268,8 @@  application before calling the API.
         /** Opaque param to be passed to the table create operation */
         void *arg_create;
 
-        /** Memory size to be reserved per classifier object entry for */
-        /** storing meta data */
-        uint32_t table_metadata_size;
+        /** Classifier table type */
+        enum rte_flow_classify_table_type type;
      };
 
 To create an ACL table the ``rte_table_acl_params`` structure must be
@@ -314,14 +329,14 @@  and SCTP.
         RTE_FLOW_ITEM_TYPE_END,
     };
 
-The internal function ``flow_classify_parse_flow`` parses the
+The API function ``rte_flow_classify_validate`` parses the
 IPv4 5-tuple pattern, attributes and actions and returns the 5-tuple data in the
 ``rte_eth_ntuple_filter`` structure.
 
 .. code-block:: c
 
     static int
-    flow_classify_parse_flow(
+    rte_flow_classify_validate(struct rte_flow_classifier *cls,
                    const struct rte_flow_attr *attr,
                    const struct rte_flow_item pattern[],
                    const struct rte_flow_action actions[],
@@ -333,7 +348,7 @@  Adding Flow Rules
 The ``rte_flow_classify_table_entry_add`` API creates an
 ``rte_flow_classify`` object which contains the flow_classify id and type, the
 action, a union of add and delete keys and a union of rules.
-It uses the ``flow_classify_parse_flow`` internal function for parsing the
+It uses the ``rte_flow_classify_validate`` api function for parsing the
 flow parameters.
 The 5-tuple ACL key data is obtained from the ``rte_eth_ntuple_filter``
 structure populated by the ``classify_parse_ntuple_filter`` function which
@@ -343,7 +358,7 @@  parses the Flow rule.
 
     struct acl_keys {
         struct rte_table_acl_rule_add_params key_add; /* add key */
-        struct rte_table_acl_rule_delete_params	key_del; /* delete key */
+        struct rte_table_acl_rule_delete_params key_del; /* delete key */
     };
 
     struct classify_rules {
@@ -355,24 +370,24 @@  parses the Flow rule.
 
     struct rte_flow_classify {
         uint32_t id;  /* unique ID of classify object */
-        struct rte_flow_action action; /* action when match found */
-	struct classify_rules rules; /* union of rules */
+        enum rte_flow_classify_table_type tbl_type; /* rule table */
+        struct classify_rules rules; /* union of rules */
         union {
             struct acl_keys key;
         } u;
         int key_found; /* rule key found in table */
-        void *entry; /* pointer to buffer to hold rule meta data */
+        struct rte_flow_classify_table_entry entry;  /* rule meta data */
         void *entry_ptr; /* handle to the table entry for rule meta data */
     };
 
-It then calls the ``table[table_id].ops.f_add`` API to add the rule to the ACL
+It then calls the ``table.ops.f_add`` API to add the rule to the ACL
 table.
 
 Deleting Flow Rules
 ~~~~~~~~~~~~~~~~~~~
 
 The ``rte_flow_classify_table_entry_delete`` API calls the
-``table[table_id].ops.f_delete`` API to delete a rule from the ACL table.
+``table.ops.f_delete`` API to delete a rule from the ACL table.
 
 Packet Matching
 ~~~~~~~~~~~~~~~
@@ -380,7 +395,7 @@  Packet Matching
 The ``rte_flow_classifier_query`` API is used to find packets which match a
 given flow Flow rule in the table.
 This API calls the flow_classify_run internal function which calls the
-``table[table_id].ops.f_lookup`` API to see if any packets in a burst match any
+``table.ops.f_lookup`` API to see if any packets in a burst match any
 of the Flow rules in the table.
 The meta data for the highest priority rule matched for each packet is returned
 in the entries array in the ``rte_flow_classify`` object.
diff --git a/doc/guides/sample_app_ug/flow_classify.rst b/doc/guides/sample_app_ug/flow_classify.rst
index bc12b87..427fded 100644
--- a/doc/guides/sample_app_ug/flow_classify.rst
+++ b/doc/guides/sample_app_ug/flow_classify.rst
@@ -228,7 +228,6 @@  table`` to the flow classifier.
 
     struct flow_classifier {
         struct rte_flow_classifier *cls;
-        uint32_t table_id[RTE_FLOW_CLASSIFY_TABLE_MAX];
     };
 
     struct flow_classifier_acl {
@@ -243,7 +242,6 @@  table`` to the flow classifier.
 
     cls_params.name = "flow_classifier";
     cls_params.socket_id = socket_id;
-    cls_params.type = RTE_FLOW_CLASSIFY_TABLE_TYPE_ACL;
 
     cls_app->cls = rte_flow_classifier_create(&cls_params);
     if (cls_app->cls == NULL) {
@@ -260,10 +258,9 @@  table`` to the flow classifier.
     /* initialise table create params */
     cls_table_params.ops = &rte_table_acl_ops,
     cls_table_params.arg_create = &table_acl_params,
-    cls_table_params.table_metadata_size = 0;
+    cls_table_params.type = RTE_FLOW_CLASSIFY_TABLE_ACL_IP4_5TUPLE;
 
-    ret = rte_flow_classify_table_create(cls_app->cls, &cls_table_params,
-                  &cls->table_id[0]);
+    ret = rte_flow_classify_table_create(cls_app->cls, &cls_table_params);
     if (ret) {
         rte_flow_classifier_free(cls_app->cls);
         rte_free(cls);
@@ -495,7 +492,6 @@  following:
                     if (rules[i]) {
                         ret = rte_flow_classifier_query(
                             cls_app->cls,
-                            cls_app->table_id[0],
                             bufs, nb_rx, rules[i],
                             &classify_stats);
                         if (ret)