X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Ftf_ulp%2Fulp_mapper.c;h=31664871ba07617aafc43ba290b4eeae92a294bb;hb=ae905028d01df8a08d068568b55fc477451c033d;hp=e6e4e41b4a68b3086de153d98804f37ed9427cd3;hpb=696843cc62ab8f67eebf3447db658c97cc6ddc5e;p=dpdk.git

diff --git a/drivers/net/bnxt/tf_ulp/ulp_mapper.c b/drivers/net/bnxt/tf_ulp/ulp_mapper.c
index e6e4e41b4a..31664871ba 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_mapper.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_mapper.c
@@ -19,6 +19,9 @@
 int32_t
 ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms);
 
+int32_t
+ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms);
+
 /*
  * Get the size of the action property for a given index.
  *
@@ -37,10 +40,65 @@ ulp_mapper_act_prop_size_get(uint32_t idx)
 /*
  * Get the list of result fields that implement the flow action
  *
+ * ctxt [in] The ulp context
+ *
+ * tbl [in] A single table instance to get the key fields from
+ *
+ * num_flds [out] The number of key fields in the returned array
+ *
+ * returns array of Key fields, or NULL on error
+ */
+static struct bnxt_ulp_mapper_class_key_field_info *
+ulp_mapper_key_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
+			  uint32_t *num_flds)
+{
+	uint32_t idx;
+
+	if (!tbl || !num_flds)
+		return NULL;
+
+	idx		= tbl->key_start_idx;
+	*num_flds	= tbl->key_num_fields;
+
+	/* NOTE: Need template to provide range checking define */
+	return &ulp_class_key_field_list[idx];
+}
+
+/*
+ * Get the list of data fields that implement the flow.
+ *
+ * ctxt [in] The ulp context
+ *
+ * tbl [in] A single table instance to get the data fields from
+ *
+ * num_flds [out] The number of data fields in the returned array.
+ *
+ * Returns array of data fields, or NULL on error.
+ */
+static struct bnxt_ulp_mapper_result_field_info *
+ulp_mapper_result_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
+			     uint32_t *num_flds)
+{
+	uint32_t idx;
+
+	if (!tbl || !num_flds)
+		return NULL;
+
+	idx		= tbl->result_start_idx;
+	*num_flds	= tbl->result_num_fields;
+
+	/* NOTE: Need template to provide range checking define */
+	return &ulp_class_result_field_list[idx];
+}
+
+/*
+ * Get the list of result fields that implement the flow action.
+ *
  * tbl [in] A single table instance to get the results fields
  * from num_flds [out] The number of data fields in the returned
- * array
- * returns array of data fields, or NULL on error
+ * array.
+ *
+ * Returns array of data fields, or NULL on error.
  */
 static struct bnxt_ulp_mapper_result_field_info *
 ulp_mapper_act_result_fields_get(struct bnxt_ulp_mapper_act_tbl_info *tbl,
@@ -60,6 +118,106 @@ ulp_mapper_act_result_fields_get(struct bnxt_ulp_mapper_act_tbl_info *tbl,
 	return &ulp_act_result_field_list[idx];
 }
 
+/*
+ * Get the list of ident fields that implement the flow
+ *
+ * tbl [in] A single table instance to get the ident fields from
+ *
+ * num_flds [out] The number of ident fields in the returned array
+ *
+ * returns array of ident fields, or NULL on error
+ */
+static struct bnxt_ulp_mapper_ident_info *
+ulp_mapper_ident_fields_get(struct bnxt_ulp_mapper_class_tbl_info *tbl,
+			    uint32_t *num_flds)
+{
+	uint32_t idx;
+
+	if (!tbl || !num_flds)
+		return NULL;
+
+	idx = tbl->ident_start_idx;
+	*num_flds = tbl->ident_nums;
+
+	/* NOTE: Need template to provide range checking define */
+	return &ulp_ident_list[idx];
+}
+
+static int32_t
+ulp_mapper_ident_process(struct bnxt_ulp_mapper_parms *parms,
+			 struct bnxt_ulp_mapper_class_tbl_info *tbl,
+			 struct bnxt_ulp_mapper_ident_info *ident)
+{
+	struct ulp_flow_db_res_params	fid_parms;
+	uint64_t id = 0;
+	int32_t idx;
+	struct tf_alloc_identifier_parms iparms = { 0 };
+	struct tf_free_identifier_parms free_parms = { 0 };
+	struct tf *tfp;
+	int rc;
+
+	tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
+	if (!tfp) {
+		BNXT_TF_DBG(ERR, "Failed to get tf pointer\n");
+		return -EINVAL;
+	}
+
+	idx = ident->regfile_wr_idx;
+
+	iparms.ident_type = ident->ident_type;
+	iparms.dir = tbl->direction;
+
+	rc = tf_alloc_identifier(tfp, &iparms);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Alloc ident %s:%d failed.\n",
+			    (iparms.dir == TF_DIR_RX) ? "RX" : "TX",
+			    iparms.ident_type);
+		return rc;
+	}
+
+	id = (uint64_t)tfp_cpu_to_be_64(iparms.id);
+	if (!ulp_regfile_write(parms->regfile, idx, id)) {
+		BNXT_TF_DBG(ERR, "Regfile[%d] write failed.\n", idx);
+		rc = -EINVAL;
+		/* Need to free the identifier, so goto error */
+		goto error;
+	}
+
+	/* Link the resource to the flow in the flow db */
+	memset(&fid_parms, 0, sizeof(fid_parms));
+	fid_parms.direction		= tbl->direction;
+	fid_parms.resource_func	= ident->resource_func;
+	fid_parms.resource_type	= ident->ident_type;
+	fid_parms.resource_hndl	= iparms.id;
+	fid_parms.critical_resource	= 0;
+
+	rc = ulp_flow_db_resource_add(parms->ulp_ctx,
+				      parms->tbl_idx,
+				      parms->fid,
+				      &fid_parms);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
+			    rc);
+		/* Need to free the identifier, so goto error */
+		goto error;
+	}
+
+	return 0;
+
+error:
+	/* Need to free the identifier */
+	free_parms.dir		= tbl->direction;
+	free_parms.ident_type	= ident->ident_type;
+	free_parms.id		= iparms.id;
+
+	(void)tf_free_identifier(tfp, &free_parms);
+
+	BNXT_TF_DBG(ERR, "Ident process failed for %s:%s\n",
+		    ident->name,
+		    (tbl->direction == TF_DIR_RX) ? "RX" : "TX");
+	return rc;
+}
+
 static int32_t
 ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms *parms,
 				struct bnxt_ulp_mapper_result_field_info *fld,
@@ -161,6 +319,100 @@ ulp_mapper_result_field_process(struct bnxt_ulp_mapper_parms *parms,
 	return 0;
 }
 
+/* Function to alloc action record and set the table. */
+static int32_t
+ulp_mapper_keymask_field_process(struct bnxt_ulp_mapper_parms *parms,
+				 struct bnxt_ulp_mapper_class_key_field_info *f,
+				 struct ulp_blob *blob,
+				 uint8_t is_key)
+{
+	uint64_t regval;
+	uint16_t idx, bitlen;
+	uint32_t opcode;
+	uint8_t *operand;
+	struct ulp_regfile *regfile = parms->regfile;
+	uint8_t *val = NULL;
+	struct bnxt_ulp_mapper_class_key_field_info *fld = f;
+	uint32_t field_size;
+
+	if (is_key) {
+		operand = fld->spec_operand;
+		opcode	= fld->spec_opcode;
+	} else {
+		operand = fld->mask_operand;
+		opcode	= fld->mask_opcode;
+	}
+
+	bitlen = fld->field_bit_size;
+
+	switch (opcode) {
+	case BNXT_ULP_SPEC_OPC_SET_TO_CONSTANT:
+		val = operand;
+		if (!ulp_blob_push(blob, val, bitlen)) {
+			BNXT_TF_DBG(ERR, "push to key blob failed\n");
+			return -EINVAL;
+		}
+		break;
+	case BNXT_ULP_SPEC_OPC_ADD_PAD:
+		if (!ulp_blob_pad_push(blob, bitlen)) {
+			BNXT_TF_DBG(ERR, "Pad too large for blob\n");
+			return -EINVAL;
+		}
+
+		break;
+	case BNXT_ULP_SPEC_OPC_SET_TO_HDR_FIELD:
+		if (!ulp_operand_read(operand, (uint8_t *)&idx,
+				      sizeof(uint16_t))) {
+			BNXT_TF_DBG(ERR, "key operand read failed.\n");
+			return -EINVAL;
+		}
+		idx = tfp_be_to_cpu_16(idx);
+		if (is_key)
+			val = parms->hdr_field[idx].spec;
+		else
+			val = parms->hdr_field[idx].mask;
+
+		/*
+		 * Need to account for how much data was pushed to the header
+		 * field vs how much is to be inserted in the key/mask.
+		 */
+		field_size = parms->hdr_field[idx].size;
+		if (bitlen < ULP_BYTE_2_BITS(field_size)) {
+			field_size  = field_size - ((bitlen + 7) / 8);
+			val += field_size;
+		}
+
+		if (!ulp_blob_push(blob, val, bitlen)) {
+			BNXT_TF_DBG(ERR, "push to key blob failed\n");
+			return -EINVAL;
+		}
+		break;
+	case BNXT_ULP_SPEC_OPC_SET_TO_REGFILE:
+		if (!ulp_operand_read(operand, (uint8_t *)&idx,
+				      sizeof(uint16_t))) {
+			BNXT_TF_DBG(ERR, "key operand read failed.\n");
+			return -EINVAL;
+		}
+		idx = tfp_be_to_cpu_16(idx);
+
+		if (!ulp_regfile_read(regfile, idx, &regval)) {
+			BNXT_TF_DBG(ERR, "regfile[%d] read failed.\n",
+				    idx);
+			return -EINVAL;
+		}
+
+		val = ulp_blob_push_64(blob, &regval, bitlen);
+		if (!val) {
+			BNXT_TF_DBG(ERR, "push to key blob failed\n");
+			return -EINVAL;
+		}
+	default:
+		break;
+	}
+
+	return 0;
+}
+
 /* Function to alloc action record and set the table. */
 static int32_t
 ulp_mapper_action_alloc_and_set(struct bnxt_ulp_mapper_parms *parms,
@@ -338,6 +590,489 @@ ulp_mapper_action_info_process(struct bnxt_ulp_mapper_parms *parms,
 	return rc;
 }
 
+static int32_t
+ulp_mapper_tcam_tbl_process(struct bnxt_ulp_mapper_parms *parms,
+			    struct bnxt_ulp_mapper_class_tbl_info *tbl)
+{
+	struct bnxt_ulp_mapper_class_key_field_info	*kflds;
+	struct ulp_blob key, mask, data;
+	uint32_t i, num_kflds;
+	struct tf *tfp;
+	int32_t rc, trc;
+	struct tf_alloc_tcam_entry_parms aparms		= { 0 };
+	struct tf_set_tcam_entry_parms sparms		= { 0 };
+	struct ulp_flow_db_res_params	fid_parms	= { 0 };
+	struct tf_free_tcam_entry_parms free_parms	= { 0 };
+	uint32_t hit = 0;
+	uint16_t tmplen = 0;
+
+	tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
+	if (!tfp) {
+		BNXT_TF_DBG(ERR, "Failed to get truflow pointer\n");
+		return -EINVAL;
+	}
+
+	kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
+	if (!kflds || !num_kflds) {
+		BNXT_TF_DBG(ERR, "Failed to get key fields\n");
+		return -EINVAL;
+	}
+
+	if (!ulp_blob_init(&key, tbl->key_bit_size, parms->order) ||
+	    !ulp_blob_init(&mask, tbl->key_bit_size, parms->order) ||
+	    !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
+		BNXT_TF_DBG(ERR, "blob inits failed.\n");
+		return -EINVAL;
+	}
+
+	/* create the key/mask */
+	/*
+	 * NOTE: The WC table will require some kind of flag to handle the
+	 * mode bits within the key/mask
+	 */
+	for (i = 0; i < num_kflds; i++) {
+		/* Setup the key */
+		rc = ulp_mapper_keymask_field_process(parms, &kflds[i],
+						      &key, 1);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Key field set failed.\n");
+			return rc;
+		}
+
+		/* Setup the mask */
+		rc = ulp_mapper_keymask_field_process(parms, &kflds[i],
+						      &mask, 0);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Mask field set failed.\n");
+			return rc;
+		}
+	}
+
+	aparms.dir		= tbl->direction;
+	aparms.tcam_tbl_type	= tbl->table_type;
+	aparms.search_enable	= tbl->srch_b4_alloc;
+	aparms.key_sz_in_bits	= tbl->key_bit_size;
+	aparms.key		= ulp_blob_data_get(&key, &tmplen);
+	if (tbl->key_bit_size != tmplen) {
+		BNXT_TF_DBG(ERR, "Key len (%d) != Expected (%d)\n",
+			    tmplen, tbl->key_bit_size);
+		return -EINVAL;
+	}
+
+	aparms.mask		= ulp_blob_data_get(&mask, &tmplen);
+	if (tbl->key_bit_size != tmplen) {
+		BNXT_TF_DBG(ERR, "Mask len (%d) != Expected (%d)\n",
+			    tmplen, tbl->key_bit_size);
+		return -EINVAL;
+	}
+
+	aparms.priority		= tbl->priority;
+
+	/*
+	 * All failures after this succeeds require the entry to be freed.
+	 * cannot return directly on failure, but needs to goto error
+	 */
+	rc = tf_alloc_tcam_entry(tfp, &aparms);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "tcam alloc failed rc=%d.\n", rc);
+		return rc;
+	}
+
+	hit = aparms.hit;
+
+	/* Build the result */
+	if (!tbl->srch_b4_alloc || !hit) {
+		struct bnxt_ulp_mapper_result_field_info *dflds;
+		struct bnxt_ulp_mapper_ident_info *idents;
+		uint32_t num_dflds, num_idents;
+
+		/* Alloc identifiers */
+		idents = ulp_mapper_ident_fields_get(tbl, &num_idents);
+
+		for (i = 0; i < num_idents; i++) {
+			rc = ulp_mapper_ident_process(parms, tbl, &idents[i]);
+
+			/* Already logged the error, just return */
+			if (rc)
+				goto error;
+		}
+
+		/* Create the result data blob */
+		dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
+		if (!dflds || !num_dflds) {
+			BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
+			rc = -EINVAL;
+			goto error;
+		}
+
+		for (i = 0; i < num_dflds; i++) {
+			rc = ulp_mapper_result_field_process(parms,
+							     &dflds[i],
+							     &data);
+			if (rc) {
+				BNXT_TF_DBG(ERR, "Failed to set data fields\n");
+				goto error;
+			}
+		}
+
+		sparms.dir		= aparms.dir;
+		sparms.tcam_tbl_type	= aparms.tcam_tbl_type;
+		sparms.idx		= aparms.idx;
+		/* Already verified the key/mask lengths */
+		sparms.key		= ulp_blob_data_get(&key, &tmplen);
+		sparms.mask		= ulp_blob_data_get(&mask, &tmplen);
+		sparms.key_sz_in_bits	= tbl->key_bit_size;
+		sparms.result		= ulp_blob_data_get(&data, &tmplen);
+
+		if (tbl->result_bit_size != tmplen) {
+			BNXT_TF_DBG(ERR, "Result len (%d) != Expected (%d)\n",
+				    tmplen, tbl->result_bit_size);
+			rc = -EINVAL;
+			goto error;
+		}
+		sparms.result_sz_in_bits = tbl->result_bit_size;
+
+		rc = tf_set_tcam_entry(tfp, &sparms);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "tcam[%d][%s][%d] write failed.\n",
+				    sparms.tcam_tbl_type,
+				    (sparms.dir == TF_DIR_RX) ? "RX" : "TX",
+				    sparms.idx);
+			goto error;
+		}
+	} else {
+		BNXT_TF_DBG(ERR, "Not supporting search before alloc now\n");
+		rc = -EINVAL;
+		goto error;
+	}
+
+	/* Link the resource to the flow in the flow db */
+	fid_parms.direction = tbl->direction;
+	fid_parms.resource_func	= tbl->resource_func;
+	fid_parms.resource_type	= tbl->table_type;
+	fid_parms.critical_resource = tbl->critical_resource;
+	fid_parms.resource_hndl	= aparms.idx;
+
+	rc = ulp_flow_db_resource_add(parms->ulp_ctx,
+				      parms->tbl_idx,
+				      parms->fid,
+				      &fid_parms);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
+			    rc);
+		/* Need to free the identifier, so goto error */
+		goto error;
+	}
+
+	return 0;
+error:
+	free_parms.dir			= tbl->direction;
+	free_parms.tcam_tbl_type	= tbl->table_type;
+	free_parms.idx			= aparms.idx;
+	trc = tf_free_tcam_entry(tfp, &free_parms);
+	if (trc)
+		BNXT_TF_DBG(ERR, "Failed to free tcam[%d][%d][%d] on failure\n",
+			    tbl->table_type, tbl->direction, aparms.idx);
+
+	return rc;
+}
+
+static int32_t
+ulp_mapper_em_tbl_process(struct bnxt_ulp_mapper_parms *parms,
+			  struct bnxt_ulp_mapper_class_tbl_info *tbl)
+{
+	struct bnxt_ulp_mapper_class_key_field_info	*kflds;
+	struct bnxt_ulp_mapper_result_field_info *dflds;
+	struct ulp_blob key, data;
+	uint32_t i, num_kflds, num_dflds;
+	uint16_t tmplen;
+	struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
+	struct ulp_rte_act_prop	 *a_prop = parms->act_prop;
+	struct ulp_flow_db_res_params	fid_parms = { 0 };
+	struct tf_insert_em_entry_parms iparms = { 0 };
+	struct tf_delete_em_entry_parms free_parms = { 0 };
+	int32_t	trc;
+	int32_t rc = 0;
+
+	kflds = ulp_mapper_key_fields_get(tbl, &num_kflds);
+	if (!kflds || !num_kflds) {
+		BNXT_TF_DBG(ERR, "Failed to get key fields\n");
+		return -EINVAL;
+	}
+
+	/* Initialize the key/result blobs */
+	if (!ulp_blob_init(&key, tbl->blob_key_bit_size, parms->order) ||
+	    !ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
+		BNXT_TF_DBG(ERR, "blob inits failed.\n");
+		return -EINVAL;
+	}
+
+	/* create the key */
+	for (i = 0; i < num_kflds; i++) {
+		/* Setup the key */
+		rc = ulp_mapper_keymask_field_process(parms, &kflds[i],
+						      &key, 1);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Key field set failed.\n");
+			return rc;
+		}
+	}
+
+	/*
+	 * TBD: Normally should process identifiers in case of using recycle or
+	 * loopback.  Not supporting recycle for now.
+	 */
+
+	/* Create the result data blob */
+	dflds = ulp_mapper_result_fields_get(tbl, &num_dflds);
+	if (!dflds || !num_dflds) {
+		BNXT_TF_DBG(ERR, "Failed to get data fields.\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < num_dflds; i++) {
+		struct bnxt_ulp_mapper_result_field_info *fld;
+
+		fld = &dflds[i];
+
+		rc = ulp_mapper_result_field_process(parms,
+						     fld,
+						     &data);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Failed to set data fields.\n");
+			return rc;
+		}
+	}
+
+	rc = bnxt_ulp_cntxt_tbl_scope_id_get(parms->ulp_ctx,
+					     &iparms.tbl_scope_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to get table scope rc=%d\n", rc);
+		return rc;
+	}
+
+	/*
+	 * NOTE: the actual blob size will differ from the size in the tbl
+	 * entry due to the padding.
+	 */
+	iparms.dup_check		= 0;
+	iparms.dir			= tbl->direction;
+	iparms.mem			= tbl->mem;
+	iparms.key			= ulp_blob_data_get(&key, &tmplen);
+	iparms.key_sz_in_bits		= tbl->key_bit_size;
+	iparms.em_record		= ulp_blob_data_get(&data, &tmplen);
+	iparms.em_record_sz_in_bits	= tbl->result_bit_size;
+
+	rc = tf_insert_em_entry(tfp, &iparms);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to insert em entry rc=%d.\n", rc);
+		return rc;
+	}
+
+	if (tbl->mark_enable &&
+	    ULP_BITMAP_ISSET(parms->act_bitmap->bits,
+			     BNXT_ULP_ACTION_BIT_MARK)) {
+		uint32_t val, mark, gfid, flag;
+		/* TBD: Need to determine if GFID is enabled globally */
+		if (sizeof(val) != BNXT_ULP_ACT_PROP_SZ_MARK) {
+			BNXT_TF_DBG(ERR, "Mark size (%d) != expected (%zu)\n",
+				    BNXT_ULP_ACT_PROP_SZ_MARK, sizeof(val));
+			rc = -EINVAL;
+			goto error;
+		}
+
+		memcpy(&val,
+		       &a_prop->act_details[BNXT_ULP_ACT_PROP_IDX_MARK],
+		       sizeof(val));
+
+		mark = tfp_be_to_cpu_32(val);
+
+		TF_GET_GFID_FROM_FLOW_ID(iparms.flow_id, gfid);
+		TF_GET_FLAG_FROM_FLOW_ID(iparms.flow_id, flag);
+
+		rc = ulp_mark_db_mark_add(parms->ulp_ctx,
+					  (flag == TF_GFID_TABLE_EXTERNAL),
+					  gfid,
+					  mark);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Failed to add mark to flow\n");
+			goto error;
+		}
+
+		/*
+		 * Link the mark resource to the flow in the flow db
+		 * The mark is never the critical resource, so it is 0.
+		 */
+		memset(&fid_parms, 0, sizeof(fid_parms));
+		fid_parms.direction	= tbl->direction;
+		fid_parms.resource_func	= BNXT_ULP_RESOURCE_FUNC_HW_FID;
+		fid_parms.resource_type	= tbl->table_type;
+		fid_parms.resource_hndl	= iparms.flow_id;
+		fid_parms.critical_resource = 0;
+
+		rc = ulp_flow_db_resource_add(parms->ulp_ctx,
+					      parms->tbl_idx,
+					      parms->fid,
+					      &fid_parms);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
+				    rc);
+			/* Need to free the identifier, so goto error */
+			goto error;
+		}
+	}
+
+	/* Link the EM resource to the flow in the flow db */
+	memset(&fid_parms, 0, sizeof(fid_parms));
+	fid_parms.direction		= tbl->direction;
+	fid_parms.resource_func		= tbl->resource_func;
+	fid_parms.resource_type		= tbl->table_type;
+	fid_parms.critical_resource	= tbl->critical_resource;
+	fid_parms.resource_hndl		= iparms.flow_handle;
+
+	rc = ulp_flow_db_resource_add(parms->ulp_ctx,
+				      parms->tbl_idx,
+				      parms->fid,
+				      &fid_parms);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Fail to link res to flow rc = %d\n",
+			    rc);
+		/* Need to free the identifier, so goto error */
+		goto error;
+	}
+
+	return 0;
+error:
+	free_parms.dir		= iparms.dir;
+	free_parms.mem		= iparms.mem;
+	free_parms.tbl_scope_id	= iparms.tbl_scope_id;
+	free_parms.flow_handle	= iparms.flow_handle;
+
+	trc = tf_delete_em_entry(tfp, &free_parms);
+	if (trc)
+		BNXT_TF_DBG(ERR, "Failed to delete EM entry on failed add\n");
+
+	return rc;
+}
+
+static int32_t
+ulp_mapper_index_tbl_process(struct bnxt_ulp_mapper_parms *parms,
+			     struct bnxt_ulp_mapper_class_tbl_info *tbl)
+{
+	struct bnxt_ulp_mapper_result_field_info *flds;
+	struct ulp_flow_db_res_params	fid_parms;
+	struct ulp_blob	data;
+	uint64_t idx;
+	uint16_t tmplen;
+	uint32_t i, num_flds;
+	int32_t rc = 0, trc = 0;
+	struct tf_alloc_tbl_entry_parms	aparms = { 0 };
+	struct tf_set_tbl_entry_parms	sparms = { 0 };
+	struct tf_free_tbl_entry_parms	free_parms = { 0 };
+
+	struct tf *tfp = bnxt_ulp_cntxt_tfp_get(parms->ulp_ctx);
+
+	if (!ulp_blob_init(&data, tbl->result_bit_size, parms->order)) {
+		BNXT_TF_DBG(ERR, "Failed initial index table blob\n");
+		return -EINVAL;
+	}
+
+	flds = ulp_mapper_result_fields_get(tbl, &num_flds);
+	if (!flds || !num_flds) {
+		BNXT_TF_DBG(ERR, "Template undefined for action\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < num_flds; i++) {
+		rc = ulp_mapper_result_field_process(parms,
+						     &flds[i],
+						     &data);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "data field failed\n");
+			return rc;
+		}
+	}
+
+	aparms.dir		= tbl->direction;
+	aparms.type		= tbl->table_type;
+	aparms.search_enable	= tbl->srch_b4_alloc;
+	aparms.result		= ulp_blob_data_get(&data, &tmplen);
+	aparms.result_sz_in_bytes = ULP_SZ_BITS2BYTES(tbl->result_bit_size);
+
+	/* All failures after the alloc succeeds require a free */
+	rc = tf_alloc_tbl_entry(tfp, &aparms);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Alloc table[%d][%s] failed rc=%d\n",
+			    tbl->table_type,
+			    (tbl->direction == TF_DIR_RX) ? "RX" : "TX",
+			    rc);
+		return rc;
+	}
+
+	/* Always storing values in Regfile in BE */
+	idx = tfp_cpu_to_be_64(aparms.idx);
+	rc = ulp_regfile_write(parms->regfile, tbl->regfile_wr_idx, idx);
+	if (!rc) {
+		BNXT_TF_DBG(ERR, "Write regfile[%d] failed\n",
+			    tbl->regfile_wr_idx);
+		goto error;
+	}
+
+	if (!tbl->srch_b4_alloc) {
+		sparms.dir		= tbl->direction;
+		sparms.type		= tbl->table_type;
+		sparms.data		= ulp_blob_data_get(&data, &tmplen);
+		sparms.data_sz_in_bytes =
+			ULP_SZ_BITS2BYTES(tbl->result_bit_size);
+		sparms.idx		= aparms.idx;
+
+		rc = tf_set_tbl_entry(tfp, &sparms);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Set table[%d][%s][%d] failed rc=%d\n",
+				    tbl->table_type,
+				    (tbl->direction == TF_DIR_RX) ? "RX" : "TX",
+				    sparms.idx,
+				    rc);
+
+			goto error;
+		}
+	}
+
+	/* Link the resource to the flow in the flow db */
+	memset(&fid_parms, 0, sizeof(fid_parms));
+	fid_parms.direction	= tbl->direction;
+	fid_parms.resource_func	= tbl->resource_func;
+	fid_parms.resource_type	= tbl->table_type;
+	fid_parms.resource_hndl	= aparms.idx;
+	fid_parms.critical_resource	= 0;
+
+	rc = ulp_flow_db_resource_add(parms->ulp_ctx,
+				      parms->tbl_idx,
+				      parms->fid,
+				      &fid_parms);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to link resource to flow rc = %d\n",
+			    rc);
+		goto error;
+	}
+
+	return rc;
+error:
+	/*
+	 * Free the allocated resource since we failed to either
+	 * write to the entry or link the flow
+	 */
+	free_parms.dir	= tbl->direction;
+	free_parms.type	= tbl->table_type;
+	free_parms.idx	= aparms.idx;
+
+	trc = tf_free_tbl_entry(tfp, &free_parms);
+	if (trc)
+		BNXT_TF_DBG(ERR, "Failed to free tbl entry on failure\n");
+
+	return rc;
+}
+
 /*
  * Function to process the action template. Iterate through the list
  * action info templates and process it.
@@ -362,3 +1097,48 @@ ulp_mapper_action_tbls_process(struct bnxt_ulp_mapper_parms *parms)
 
 	return rc;
 }
+
+/* Create the classifier table entries for a flow. */
+int32_t
+ulp_mapper_class_tbls_process(struct bnxt_ulp_mapper_parms *parms)
+{
+	uint32_t	i;
+	int32_t		rc = 0;
+
+	if (!parms)
+		return -EINVAL;
+
+	if (!parms->ctbls || !parms->num_ctbls) {
+		BNXT_TF_DBG(ERR, "No class tables for template[%d][%d].\n",
+			    parms->dev_id, parms->class_tid);
+		return -EINVAL;
+	}
+
+	for (i = 0; i < parms->num_ctbls; i++) {
+		struct bnxt_ulp_mapper_class_tbl_info *tbl = &parms->ctbls[i];
+
+		switch (tbl->resource_func) {
+		case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
+			rc = ulp_mapper_tcam_tbl_process(parms, tbl);
+			break;
+		case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
+			rc = ulp_mapper_em_tbl_process(parms, tbl);
+			break;
+		case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
+			rc = ulp_mapper_index_tbl_process(parms, tbl);
+			break;
+		default:
+			BNXT_TF_DBG(ERR, "Unexpected class resource %d\n",
+				    tbl->resource_func);
+			return -EINVAL;
+		}
+
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Resource type %d failed\n",
+				    tbl->resource_func);
+			return rc;
+		}
+	}
+
+	return rc;
+}