X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Ftf_ulp%2Fulp_fc_mgr.c;h=13f71ed83b2edf87f14e12ff5e5fc89222689a4f;hb=1e5acc5be59bae297e75d4ba14ee2b625df40fa1;hp=b7a539461781b53f994eb6a029cdbb5683fd7b7e;hpb=306c2d28e247a2dcc8af696f8a2f008d10f774c0;p=dpdk.git

diff --git a/drivers/net/bnxt/tf_ulp/ulp_fc_mgr.c b/drivers/net/bnxt/tf_ulp/ulp_fc_mgr.c
index b7a5394617..13f71ed83b 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_fc_mgr.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_fc_mgr.c
@@ -1,9 +1,10 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2014-2020 Broadcom
+ * Copyright(c) 2014-2021 Broadcom
  * All rights reserved.
  */
 
 #include <rte_common.h>
+#include <rte_cycles.h>
 #include <rte_malloc.h>
 #include <rte_log.h>
 #include <rte_alarm.h>
@@ -20,13 +21,13 @@ static int
 ulp_fc_mgr_shadow_mem_alloc(struct hw_fc_mem_info *parms, int size)
 {
 	/* Allocate memory*/
-	if (parms == NULL)
+	if (!parms)
 		return -EINVAL;
 
 	parms->mem_va = rte_zmalloc("ulp_fc_info",
 				    RTE_CACHE_LINE_ROUNDUP(size),
 				    4096);
-	if (parms->mem_va == NULL) {
+	if (!parms->mem_va) {
 		BNXT_TF_DBG(ERR, "Allocate failed mem_va\n");
 		return -ENOMEM;
 	}
@@ -92,6 +93,13 @@ ulp_fc_mgr_init(struct bnxt_ulp_context *ctxt)
 	/* Add the FC info tbl to the ulp context. */
 	bnxt_ulp_cntxt_ptr2_fc_info_set(ctxt, ulp_fc_info);
 
+	ulp_fc_info->num_counters = dparms->flow_count_db_entries;
+	if (!ulp_fc_info->num_counters) {
+		/* No need for software counters, call fw directly */
+		BNXT_TF_DBG(DEBUG, "Sw flow counter support not enabled\n");
+		return 0;
+	}
+
 	sw_acc_cntr_tbl_sz = sizeof(struct sw_acc_counter) *
 				dparms->flow_count_db_entries;
 
@@ -131,6 +139,7 @@ int32_t
 ulp_fc_mgr_deinit(struct bnxt_ulp_context *ctxt)
 {
 	struct bnxt_ulp_fc_info *ulp_fc_info;
+	struct hw_fc_mem_info *shd_info;
 	int i;
 
 	ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
@@ -142,12 +151,15 @@ ulp_fc_mgr_deinit(struct bnxt_ulp_context *ctxt)
 
 	pthread_mutex_destroy(&ulp_fc_info->fc_lock);
 
-	for (i = 0; i < TF_DIR_MAX; i++)
-		rte_free(ulp_fc_info->sw_acc_tbl[i]);
-
-	for (i = 0; i < TF_DIR_MAX; i++)
-		ulp_fc_mgr_shadow_mem_free(&ulp_fc_info->shadow_hw_tbl[i]);
+	if (ulp_fc_info->num_counters) {
+		for (i = 0; i < TF_DIR_MAX; i++)
+			rte_free(ulp_fc_info->sw_acc_tbl[i]);
 
+		for (i = 0; i < TF_DIR_MAX; i++) {
+			shd_info = &ulp_fc_info->shadow_hw_tbl[i];
+			ulp_fc_mgr_shadow_mem_free(shd_info);
+		}
+	}
 
 	rte_free(ulp_fc_info);
 
@@ -169,7 +181,10 @@ bool ulp_fc_mgr_thread_isstarted(struct bnxt_ulp_context *ctxt)
 
 	ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 
-	return !!(ulp_fc_info->flags & ULP_FLAG_FC_THREAD);
+	if (ulp_fc_info)
+		return !!(ulp_fc_info->flags & ULP_FLAG_FC_THREAD);
+
+	return false;
 }
 
 /*
@@ -186,10 +201,9 @@ ulp_fc_mgr_thread_start(struct bnxt_ulp_context *ctxt)
 
 	ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 
-	if (!(ulp_fc_info->flags & ULP_FLAG_FC_THREAD)) {
+	if (ulp_fc_info && !(ulp_fc_info->flags & ULP_FLAG_FC_THREAD)) {
 		rte_eal_alarm_set(US_PER_S * ULP_FC_TIMER,
-				  ulp_fc_mgr_alarm_cb,
-				  (void *)ctxt);
+				  ulp_fc_mgr_alarm_cb, NULL);
 		ulp_fc_info->flags |= ULP_FLAG_FC_THREAD;
 	}
 
@@ -211,7 +225,7 @@ void ulp_fc_mgr_thread_cancel(struct bnxt_ulp_context *ctxt)
 		return;
 
 	ulp_fc_info->flags &= ~ULP_FLAG_FC_THREAD;
-	rte_eal_alarm_cancel(ulp_fc_mgr_alarm_cb, (void *)ctxt);
+	rte_eal_alarm_cancel(ulp_fc_mgr_alarm_cb, NULL);
 }
 
 /*
@@ -227,9 +241,11 @@ void ulp_fc_mgr_thread_cancel(struct bnxt_ulp_context *ctxt)
  * num_counters [in] The number of counters
  *
  */
-__rte_unused static int32_t ulp_bulk_get_flow_stats(struct tf *tfp,
-				       struct bnxt_ulp_fc_info *fc_info,
-				       enum tf_dir dir, uint32_t num_counters)
+__rte_unused static int32_t
+ulp_bulk_get_flow_stats(struct tf *tfp,
+			struct bnxt_ulp_fc_info *fc_info,
+			enum tf_dir dir,
+			struct bnxt_ulp_device_params *dparms)
 /* MARK AS UNUSED FOR NOW TO AVOID COMPILATION ERRORS TILL API is RESOLVED */
 {
 	int rc = 0;
@@ -242,16 +258,17 @@ __rte_unused static int32_t ulp_bulk_get_flow_stats(struct tf *tfp,
 	parms.dir = dir;
 	parms.type = stype;
 	parms.starting_idx = fc_info->shadow_hw_tbl[dir].start_idx;
-	parms.num_entries = num_counters;
+	parms.num_entries = dparms->flow_count_db_entries / 2; /* direction */
 	/*
 	 * TODO:
 	 * Size of an entry needs to obtained from template
 	 */
 	parms.entry_sz_in_bytes = sizeof(uint64_t);
 	stats = (uint64_t *)fc_info->shadow_hw_tbl[dir].mem_va;
-	parms.physical_mem_addr = (uintptr_t)fc_info->shadow_hw_tbl[dir].mem_pa;
+	parms.physical_mem_addr = (uint64_t)
+		((uintptr_t)(fc_info->shadow_hw_tbl[dir].mem_pa));
 
-	if (stats == NULL) {
+	if (!stats) {
 		PMD_DRV_LOG(ERR,
 			    "BULK: Memory not initialized id:0x%x dir:%d\n",
 			    parms.starting_idx, dir);
@@ -266,27 +283,99 @@ __rte_unused static int32_t ulp_bulk_get_flow_stats(struct tf *tfp,
 		return rc;
 	}
 
-	for (i = 0; i < num_counters; i++) {
+	for (i = 0; i < parms.num_entries; i++) {
 		/* TBD - Get PKT/BYTE COUNT SHIFT/MASK from Template */
 		sw_acc_tbl_entry = &fc_info->sw_acc_tbl[dir][i];
 		if (!sw_acc_tbl_entry->valid)
 			continue;
-		sw_acc_tbl_entry->pkt_count += FLOW_CNTR_PKTS(stats[i]);
-		sw_acc_tbl_entry->byte_count += FLOW_CNTR_BYTES(stats[i]);
+		sw_acc_tbl_entry->pkt_count += FLOW_CNTR_PKTS(stats[i],
+							      dparms);
+		sw_acc_tbl_entry->byte_count += FLOW_CNTR_BYTES(stats[i],
+								dparms);
+	}
+
+	return rc;
+}
+
+static int32_t
+ulp_fc_tf_flow_stat_get(struct bnxt_ulp_context *ctxt,
+			struct ulp_flow_db_res_params *res,
+			struct rte_flow_query_count *qcount)
+{
+	struct tf *tfp;
+	struct bnxt_ulp_device_params *dparms;
+	struct tf_get_tbl_entry_parms parms = { 0 };
+	struct tf_set_tbl_entry_parms	sparms = { 0 };
+	enum tf_tbl_type stype = TF_TBL_TYPE_ACT_STATS_64;
+	uint64_t stats = 0;
+	uint32_t dev_id = 0;
+	int32_t rc = 0;
+
+	tfp = bnxt_ulp_cntxt_tfp_get(ctxt, BNXT_ULP_SHARED_SESSION_NO);
+	if (!tfp) {
+		BNXT_TF_DBG(ERR, "Failed to get the truflow pointer\n");
+		return -EINVAL;
+	}
+
+	if (bnxt_ulp_cntxt_dev_id_get(ctxt, &dev_id)) {
+		BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
+		bnxt_ulp_cntxt_entry_release();
+		return -EINVAL;
 	}
 
+	dparms = bnxt_ulp_device_params_get(dev_id);
+	if (!dparms) {
+		BNXT_TF_DBG(DEBUG, "Failed to device parms\n");
+		bnxt_ulp_cntxt_entry_release();
+		return -EINVAL;
+	}
+	parms.dir = res->direction;
+	parms.type = stype;
+	parms.idx = res->resource_hndl;
+	parms.data_sz_in_bytes = sizeof(uint64_t);
+	parms.data = (uint8_t *)&stats;
+	rc = tf_get_tbl_entry(tfp, &parms);
+	if (rc) {
+		PMD_DRV_LOG(ERR,
+			    "Get failed for id:0x%x rc:%d\n",
+			    parms.idx, rc);
+		return rc;
+	}
+	qcount->hits = FLOW_CNTR_PKTS(stats, dparms);
+	if (qcount->hits)
+		qcount->hits_set = 1;
+	qcount->bytes = FLOW_CNTR_BYTES(stats, dparms);
+	if (qcount->bytes)
+		qcount->bytes_set = 1;
+
+	if (qcount->reset) {
+		stats = 0;
+		sparms.dir = res->direction;
+		sparms.type = stype;
+		sparms.idx = res->resource_hndl;
+		sparms.data = (uint8_t *)&stats;
+		sparms.data_sz_in_bytes = sizeof(uint64_t);
+		rc = tf_set_tbl_entry(tfp, &sparms);
+		if (rc) {
+			PMD_DRV_LOG(ERR, "Set failed for id:0x%x rc:%d\n",
+				    sparms.idx, rc);
+			return rc;
+		}
+	}
 	return rc;
 }
 
-static int ulp_get_single_flow_stat(struct tf *tfp,
+static int ulp_get_single_flow_stat(struct bnxt_ulp_context *ctxt,
+				    struct tf *tfp,
 				    struct bnxt_ulp_fc_info *fc_info,
 				    enum tf_dir dir,
-				    uint32_t hw_cntr_id)
+				    uint32_t hw_cntr_id,
+				    struct bnxt_ulp_device_params *dparms)
 {
 	int rc = 0;
 	struct tf_get_tbl_entry_parms parms = { 0 };
 	enum tf_tbl_type stype = TF_TBL_TYPE_ACT_STATS_64;  /* TBD:Template? */
-	struct sw_acc_counter *sw_acc_tbl_entry = NULL;
+	struct sw_acc_counter *sw_acc_tbl_entry = NULL, *t_sw;
 	uint64_t stats = 0;
 	uint32_t sw_cntr_indx = 0;
 
@@ -310,8 +399,30 @@ static int ulp_get_single_flow_stat(struct tf *tfp,
 	/* TBD - Get PKT/BYTE COUNT SHIFT/MASK from Template */
 	sw_cntr_indx = hw_cntr_id - fc_info->shadow_hw_tbl[dir].start_idx;
 	sw_acc_tbl_entry = &fc_info->sw_acc_tbl[dir][sw_cntr_indx];
-	sw_acc_tbl_entry->pkt_count += FLOW_CNTR_PKTS(stats);
-	sw_acc_tbl_entry->byte_count += FLOW_CNTR_BYTES(stats);
+	/* Some dpdk applications may accumulate the flow counters while some
+	 * may not. In cases where the application is accumulating the counters
+	 * the PMD need not do the accumulation itself and viceversa to report
+	 * the correct flow counters.
+	 */
+	if (ctxt->cfg_data->accum_stats) {
+		sw_acc_tbl_entry->pkt_count += FLOW_CNTR_PKTS(stats, dparms);
+		sw_acc_tbl_entry->byte_count += FLOW_CNTR_BYTES(stats, dparms);
+	} else {
+		sw_acc_tbl_entry->pkt_count = FLOW_CNTR_PKTS(stats, dparms);
+		sw_acc_tbl_entry->byte_count = FLOW_CNTR_BYTES(stats, dparms);
+	}
+
+	/* Update the parent counters if it is child flow */
+	if (sw_acc_tbl_entry->parent_flow_id) {
+		/* Update the parent counters */
+		t_sw = sw_acc_tbl_entry;
+		if (ulp_flow_db_parent_flow_count_update(ctxt,
+							 t_sw->parent_flow_id,
+							 t_sw->pkt_count,
+							 t_sw->byte_count)) {
+			PMD_DRV_LOG(ERR, "Error updating parent counters\n");
+		}
+	}
 
 	return rc;
 }
@@ -325,35 +436,48 @@ static int ulp_get_single_flow_stat(struct tf *tfp,
  */
 
 void
-ulp_fc_mgr_alarm_cb(void *arg)
+ulp_fc_mgr_alarm_cb(void *arg __rte_unused)
 {
 	int rc = 0;
 	unsigned int j;
 	enum tf_dir i;
-	struct bnxt_ulp_context *ctxt = arg;
+	struct bnxt_ulp_context *ctxt;
 	struct bnxt_ulp_fc_info *ulp_fc_info;
 	struct bnxt_ulp_device_params *dparms;
 	struct tf *tfp;
-	uint32_t dev_id, hw_cntr_id = 0;
+	uint32_t dev_id, hw_cntr_id = 0, num_entries = 0;
+
+	ctxt = bnxt_ulp_cntxt_entry_acquire();
+	if (ctxt == NULL) {
+		BNXT_TF_DBG(INFO, "could not get the ulp context lock\n");
+		rte_eal_alarm_set(US_PER_S * ULP_FC_TIMER,
+				  ulp_fc_mgr_alarm_cb, NULL);
+		return;
+	}
 
 	ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
-	if (!ulp_fc_info)
+	if (!ulp_fc_info) {
+		bnxt_ulp_cntxt_entry_release();
 		return;
+	}
 
 	if (bnxt_ulp_cntxt_dev_id_get(ctxt, &dev_id)) {
 		BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
+		bnxt_ulp_cntxt_entry_release();
 		return;
 	}
 
 	dparms = bnxt_ulp_device_params_get(dev_id);
 	if (!dparms) {
 		BNXT_TF_DBG(DEBUG, "Failed to device parms\n");
+		bnxt_ulp_cntxt_entry_release();
 		return;
 	}
 
-	tfp = bnxt_ulp_cntxt_tfp_get(ctxt);
+	tfp = bnxt_ulp_cntxt_tfp_get(ctxt, BNXT_ULP_SHARED_SESSION_NO);
 	if (!tfp) {
 		BNXT_TF_DBG(ERR, "Failed to get the truflow pointer\n");
+		bnxt_ulp_cntxt_entry_release();
 		return;
 	}
 
@@ -367,6 +491,7 @@ ulp_fc_mgr_alarm_cb(void *arg)
 	if (!ulp_fc_info->num_entries) {
 		pthread_mutex_unlock(&ulp_fc_info->fc_lock);
 		ulp_fc_mgr_thread_cancel(ctxt);
+		bnxt_ulp_cntxt_entry_release();
 		return;
 	}
 	/*
@@ -379,13 +504,18 @@ ulp_fc_mgr_alarm_cb(void *arg)
 			break;
 	}
 	*/
+
+	/* reset the parent accumulation counters before accumulation if any */
+	ulp_flow_db_parent_flow_count_reset(ctxt);
+
+	num_entries = dparms->flow_count_db_entries / 2;
 	for (i = 0; i < TF_DIR_MAX; i++) {
-		for (j = 0; j < ulp_fc_info->num_entries; j++) {
+		for (j = 0; j < num_entries; j++) {
 			if (!ulp_fc_info->sw_acc_tbl[i][j].valid)
 				continue;
 			hw_cntr_id = ulp_fc_info->sw_acc_tbl[i][j].hw_cntr_id;
-			rc = ulp_get_single_flow_stat(tfp, ulp_fc_info, i,
-						      hw_cntr_id);
+			rc = ulp_get_single_flow_stat(ctxt, tfp, ulp_fc_info, i,
+						      hw_cntr_id, dparms);
 			if (rc)
 				break;
 		}
@@ -400,12 +530,13 @@ ulp_fc_mgr_alarm_cb(void *arg)
 
 	if (rc) {
 		ulp_fc_mgr_thread_cancel(ctxt);
+		bnxt_ulp_cntxt_entry_release();
 		return;
 	}
 out:
+	bnxt_ulp_cntxt_entry_release();
 	rte_eal_alarm_set(US_PER_S * ULP_FC_TIMER,
-			  ulp_fc_mgr_alarm_cb,
-			  (void *)ctxt);
+			  ulp_fc_mgr_alarm_cb, NULL);
 }
 
 /*
@@ -425,8 +556,10 @@ bool ulp_fc_mgr_start_idx_isset(struct bnxt_ulp_context *ctxt, enum tf_dir dir)
 
 	ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 
-	/* Assuming start_idx of 0 is invalid */
-	return (ulp_fc_info->shadow_hw_tbl[dir].start_idx != 0);
+	if (ulp_fc_info)
+		return ulp_fc_info->shadow_hw_tbl[dir].start_idx_is_set;
+
+	return false;
 }
 
 /*
@@ -450,9 +583,10 @@ int32_t ulp_fc_mgr_start_idx_set(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
 	if (!ulp_fc_info)
 		return -EIO;
 
-	/* Assuming that 0 is an invalid counter ID ? */
-	if (ulp_fc_info->shadow_hw_tbl[dir].start_idx == 0)
+	if (!ulp_fc_info->shadow_hw_tbl[dir].start_idx_is_set) {
 		ulp_fc_info->shadow_hw_tbl[dir].start_idx = start_idx;
+		ulp_fc_info->shadow_hw_tbl[dir].start_idx_is_set = true;
+	}
 
 	return 0;
 }
@@ -480,6 +614,9 @@ int32_t ulp_fc_mgr_cntr_set(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
 	if (!ulp_fc_info)
 		return -EIO;
 
+	if (!ulp_fc_info->num_counters)
+		return 0;
+
 	pthread_mutex_lock(&ulp_fc_info->fc_lock);
 	sw_cntr_idx = hw_cntr_id - ulp_fc_info->shadow_hw_tbl[dir].start_idx;
 	ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].valid = true;
@@ -512,6 +649,9 @@ int32_t ulp_fc_mgr_cntr_reset(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
 	if (!ulp_fc_info)
 		return -EIO;
 
+	if (!ulp_fc_info->num_counters)
+		return 0;
+
 	pthread_mutex_lock(&ulp_fc_info->fc_lock);
 	sw_cntr_idx = hw_cntr_id - ulp_fc_info->shadow_hw_tbl[dir].start_idx;
 	ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].valid = false;
@@ -546,51 +686,116 @@ int ulp_fc_mgr_query_count_get(struct bnxt_ulp_context *ctxt,
 	struct ulp_flow_db_res_params params;
 	enum tf_dir dir;
 	uint32_t hw_cntr_id = 0, sw_cntr_idx = 0;
-	struct sw_acc_counter sw_acc_tbl_entry;
+	struct sw_acc_counter *sw_acc_tbl_entry;
 	bool found_cntr_resource = false;
 
 	ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
 	if (!ulp_fc_info)
 		return -ENODEV;
 
+	if (bnxt_ulp_cntxt_acquire_fdb_lock(ctxt))
+		return -EIO;
+
 	do {
 		rc = ulp_flow_db_resource_get(ctxt,
-					      BNXT_ULP_REGULAR_FLOW_TABLE,
+					      BNXT_ULP_FDB_TYPE_REGULAR,
 					      flow_id,
 					      &nxt_resource_index,
 					      &params);
 		if (params.resource_func ==
 		     BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE &&
 		     (params.resource_sub_type ==
-		      BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_INT_COUNT ||
+		      BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT ||
+		      params.resource_sub_type ==
+		      BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_EXT_COUNT ||
 		      params.resource_sub_type ==
-		      BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_EXT_COUNT)) {
+		      BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT_ACC)) {
 			found_cntr_resource = true;
 			break;
 		}
+	} while (!rc && nxt_resource_index);
 
-	} while (!rc);
+	bnxt_ulp_cntxt_release_fdb_lock(ctxt);
 
-	if (rc)
+	if (rc || !found_cntr_resource)
 		return rc;
 
-	if (found_cntr_resource) {
-		dir = params.direction;
-		hw_cntr_id = params.resource_hndl;
+	dir = params.direction;
+	hw_cntr_id = params.resource_hndl;
+	if (params.resource_sub_type ==
+			BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT) {
+		if (!ulp_fc_info->num_counters)
+			return ulp_fc_tf_flow_stat_get(ctxt, &params, count);
+
+		/* TODO:
+		 * Think about optimizing with try_lock later
+		 */
+		pthread_mutex_lock(&ulp_fc_info->fc_lock);
 		sw_cntr_idx = hw_cntr_id -
-				ulp_fc_info->shadow_hw_tbl[dir].start_idx;
-		sw_acc_tbl_entry = ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx];
-		if (params.resource_sub_type ==
-			BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_INT_COUNT) {
+			ulp_fc_info->shadow_hw_tbl[dir].start_idx;
+		sw_acc_tbl_entry = &ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx];
+		if (sw_acc_tbl_entry->pkt_count) {
 			count->hits_set = 1;
 			count->bytes_set = 1;
-			count->hits = sw_acc_tbl_entry.pkt_count;
-			count->bytes = sw_acc_tbl_entry.byte_count;
-		} else {
-			/* TBD: Handle External counters */
-			rc = -EINVAL;
+			count->hits = sw_acc_tbl_entry->pkt_count;
+			count->bytes = sw_acc_tbl_entry->byte_count;
+		}
+		if (count->reset) {
+			sw_acc_tbl_entry->pkt_count = 0;
+			sw_acc_tbl_entry->byte_count = 0;
 		}
+		pthread_mutex_unlock(&ulp_fc_info->fc_lock);
+	} else if (params.resource_sub_type ==
+			BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT_ACC) {
+		/* Get stats from the parent child table */
+		ulp_flow_db_parent_flow_count_get(ctxt, flow_id,
+						  &count->hits, &count->bytes,
+						  count->reset);
+		count->hits_set = 1;
+		count->bytes_set = 1;
+	} else {
+		/* TBD: Handle External counters */
+		rc = -EINVAL;
 	}
 
 	return rc;
 }
+
+/*
+ * Set the parent flow if it is SW accumulation counter entry.
+ *
+ * ctxt [in] The ulp context for the flow counter manager
+ *
+ * dir [in] The direction of the flow
+ *
+ * hw_cntr_id [in] The HW flow counter ID
+ *
+ * fid [in] parent flow id
+ *
+ */
+int32_t ulp_fc_mgr_cntr_parent_flow_set(struct bnxt_ulp_context *ctxt,
+					enum tf_dir dir,
+					uint32_t hw_cntr_id,
+					uint32_t fid)
+{
+	struct bnxt_ulp_fc_info *ulp_fc_info;
+	uint32_t sw_cntr_idx;
+	int32_t rc = 0;
+
+	ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ctxt);
+	if (!ulp_fc_info)
+		return -EIO;
+
+	pthread_mutex_lock(&ulp_fc_info->fc_lock);
+	sw_cntr_idx = hw_cntr_id - ulp_fc_info->shadow_hw_tbl[dir].start_idx;
+	if (ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].valid) {
+		ulp_fc_info->sw_acc_tbl[dir][sw_cntr_idx].parent_flow_id = fid;
+	} else {
+		BNXT_TF_DBG(ERR, "Failed to set parent flow id %x:%x\n",
+			    hw_cntr_id, fid);
+		rc = -ENOENT;
+	}
+	pthread_mutex_unlock(&ulp_fc_info->fc_lock);
+
+	return rc;
+}