X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Ftf_ulp%2Fbnxt_ulp.c;h=1ee21fceef59e7ad0178fd31e00bd0f60990f1e0;hb=ba6fa50aaeffc82d7866ef69bd8690402102df64;hp=1b52861d4e94d6521fdb75c78537a4c7101739c8;hpb=bbc5f1a0f5e9718276314a55cec52ae4b215b909;p=dpdk.git

diff --git a/drivers/net/bnxt/tf_ulp/bnxt_ulp.c b/drivers/net/bnxt/tf_ulp/bnxt_ulp.c
index 1b52861d4e..1ee21fceef 100644
--- a/drivers/net/bnxt/tf_ulp/bnxt_ulp.c
+++ b/drivers/net/bnxt/tf_ulp/bnxt_ulp.c
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2019-2020 Broadcom
+ * Copyright(c) 2019-2021 Broadcom
  * All rights reserved.
  */
 
@@ -8,19 +8,24 @@
 #include <rte_flow.h>
 #include <rte_flow_driver.h>
 #include <rte_tailq.h>
+#include <rte_spinlock.h>
 
+#include "bnxt.h"
 #include "bnxt_ulp.h"
 #include "bnxt_tf_common.h"
-#include "bnxt.h"
 #include "tf_core.h"
 #include "tf_ext_flow_handle.h"
 
 #include "ulp_template_db_enum.h"
 #include "ulp_template_struct.h"
 #include "ulp_mark_mgr.h"
+#include "ulp_fc_mgr.h"
 #include "ulp_flow_db.h"
 #include "ulp_mapper.h"
 #include "ulp_port_db.h"
+#include "ulp_tun.h"
+#include "ulp_ha_mgr.h"
+#include "bnxt_tf_pmd_shim.h"
 
 /* Linked list of all TF sessions. */
 STAILQ_HEAD(, bnxt_ulp_session_state) bnxt_ulp_session_list =
@@ -29,27 +34,490 @@ STAILQ_HEAD(, bnxt_ulp_session_state) bnxt_ulp_session_list =
 /* Mutex to synchronize bnxt_ulp_session_list operations. */
 static pthread_mutex_t bnxt_ulp_global_mutex = PTHREAD_MUTEX_INITIALIZER;
 
+/* Spin lock to protect context global list */
+uint32_t bnxt_ulp_ctxt_lock_created;
+rte_spinlock_t bnxt_ulp_ctxt_lock;
+TAILQ_HEAD(cntx_list_entry_list, ulp_context_list_entry);
+static struct cntx_list_entry_list ulp_cntx_list =
+	TAILQ_HEAD_INITIALIZER(ulp_cntx_list);
+
+/* Static function declarations */
+static int32_t bnxt_ulp_cntxt_list_init(void);
+static int32_t bnxt_ulp_cntxt_list_add(struct bnxt_ulp_context *ulp_ctx);
+static void bnxt_ulp_cntxt_list_del(struct bnxt_ulp_context *ulp_ctx);
+
 /*
  * Allow the deletion of context only for the bnxt device that
- * created the session
- * TBD - The implementation of the function should change to
- * using the reference count once tf_session_attach functionality
- * is fixed.
+ * created the session.
  */
 bool
-ulp_ctx_deinit_allowed(void *ptr)
+ulp_ctx_deinit_allowed(struct bnxt_ulp_context *ulp_ctx)
 {
-	struct bnxt *bp = (struct bnxt *)ptr;
+	if (!ulp_ctx || !ulp_ctx->cfg_data)
+		return false;
 
-	if (!bp)
+	if (!ulp_ctx->cfg_data->ref_cnt) {
+		BNXT_TF_DBG(DEBUG, "ulp ctx shall initiate deinit\n");
+		return true;
+	}
+
+	return false;
+}
+
+static int32_t
+bnxt_ulp_devid_get(struct bnxt *bp,
+		   enum bnxt_ulp_device_id  *ulp_dev_id)
+{
+	if (BNXT_CHIP_P5(bp)) {
+		*ulp_dev_id = BNXT_ULP_DEVICE_ID_THOR;
 		return 0;
+	}
+
+	if (BNXT_STINGRAY(bp))
+		*ulp_dev_id = BNXT_ULP_DEVICE_ID_STINGRAY;
+	else
+		/* Assuming Whitney */
+		*ulp_dev_id = BNXT_ULP_DEVICE_ID_WH_PLUS;
+
+	return 0;
+}
+
+struct bnxt_ulp_app_capabilities_info *
+bnxt_ulp_app_cap_list_get(uint32_t *num_entries)
+{
+	if (!num_entries)
+		return NULL;
+	*num_entries = BNXT_ULP_APP_CAP_TBL_MAX_SZ;
+	return ulp_app_cap_info_list;
+}
+
+static struct bnxt_ulp_resource_resv_info *
+bnxt_ulp_app_resource_resv_list_get(uint32_t *num_entries)
+{
+	if (num_entries == NULL)
+		return NULL;
+	*num_entries = BNXT_ULP_APP_RESOURCE_RESV_LIST_MAX_SZ;
+	return ulp_app_resource_resv_list;
+}
+
+struct bnxt_ulp_resource_resv_info *
+bnxt_ulp_resource_resv_list_get(uint32_t *num_entries)
+{
+	if (!num_entries)
+		return NULL;
+	*num_entries = BNXT_ULP_RESOURCE_RESV_LIST_MAX_SZ;
+	return ulp_resource_resv_list;
+}
+
+struct bnxt_ulp_glb_resource_info *
+bnxt_ulp_app_glb_resource_info_list_get(uint32_t *num_entries)
+{
+	if (!num_entries)
+		return NULL;
+	*num_entries = BNXT_ULP_APP_GLB_RESOURCE_TBL_MAX_SZ;
+	return ulp_app_glb_resource_tbl;
+}
+
+static int32_t
+bnxt_ulp_named_resources_calc(struct bnxt_ulp_context *ulp_ctx,
+			      struct bnxt_ulp_glb_resource_info *info,
+			      uint32_t num,
+			      struct tf_session_resources *res)
+{
+	uint32_t dev_id = BNXT_ULP_DEVICE_ID_LAST, res_type, i;
+	enum tf_dir dir;
+	uint8_t app_id;
+	int32_t rc = 0;
+
+	if (ulp_ctx == NULL || info == NULL || res == NULL || num == 0) {
+		BNXT_TF_DBG(ERR, "Invalid parms to named resources calc.\n");
+		return -EINVAL;
+	}
+
+	rc = bnxt_ulp_cntxt_app_id_get(ulp_ctx, &app_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
+		return -EINVAL;
+	}
+
+	rc = bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to get the dev id from ulp.\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < num; i++) {
+		if (dev_id != info[i].device_id || app_id != info[i].app_id)
+			continue;
+		dir = info[i].direction;
+		res_type = info[i].resource_type;
+
+		switch (info[i].resource_func) {
+		case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
+			res->ident_cnt[dir].cnt[res_type]++;
+			break;
+		case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
+			res->tbl_cnt[dir].cnt[res_type]++;
+			break;
+		case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
+			res->tcam_cnt[dir].cnt[res_type]++;
+			break;
+		case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
+			res->em_cnt[dir].cnt[res_type]++;
+			break;
+		default:
+			BNXT_TF_DBG(ERR, "Unknown resource func (0x%x)\n,",
+				    info[i].resource_func);
+			continue;
+		}
+	}
+
+	return 0;
+}
+
+static int32_t
+bnxt_ulp_unnamed_resources_calc(struct bnxt_ulp_context *ulp_ctx,
+				struct bnxt_ulp_resource_resv_info *info,
+				uint32_t num,
+				struct tf_session_resources *res)
+{
+	uint32_t dev_id, res_type, i;
+	enum tf_dir dir;
+	uint8_t app_id;
+	int32_t rc = 0;
+
+	if (ulp_ctx == NULL || res == NULL || info == NULL || num == 0) {
+		BNXT_TF_DBG(ERR, "Invalid arguments to get resources.\n");
+		return -EINVAL;
+	}
+
+	rc = bnxt_ulp_cntxt_app_id_get(ulp_ctx, &app_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
+		return -EINVAL;
+	}
 
-	if (&bp->tfp == bp->ulp_ctx->g_tfp)
-		return 1;
+	rc = bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to get the dev id from ulp.\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < num; i++) {
+		if (app_id != info[i].app_id || dev_id != info[i].device_id)
+			continue;
+		dir = info[i].direction;
+		res_type = info[i].resource_type;
+
+		switch (info[i].resource_func) {
+		case BNXT_ULP_RESOURCE_FUNC_IDENTIFIER:
+			res->ident_cnt[dir].cnt[res_type] = info[i].count;
+			break;
+		case BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE:
+			res->tbl_cnt[dir].cnt[res_type] = info[i].count;
+			break;
+		case BNXT_ULP_RESOURCE_FUNC_TCAM_TABLE:
+			res->tcam_cnt[dir].cnt[res_type] = info[i].count;
+			break;
+		case BNXT_ULP_RESOURCE_FUNC_EM_TABLE:
+			res->em_cnt[dir].cnt[res_type] = info[i].count;
+			break;
+		default:
+			break;
+		}
+	}
+	return 0;
+}
+
+static int32_t
+bnxt_ulp_tf_resources_get(struct bnxt_ulp_context *ulp_ctx,
+			  struct tf_session_resources *res)
+{
+	struct bnxt_ulp_resource_resv_info *unnamed = NULL;
+	uint32_t unum;
+	int32_t rc = 0;
+
+	if (ulp_ctx == NULL || res == NULL) {
+		BNXT_TF_DBG(ERR, "Invalid arguments to get resources.\n");
+		return -EINVAL;
+	}
+
+	unnamed = bnxt_ulp_resource_resv_list_get(&unum);
+	if (unnamed == NULL) {
+		BNXT_TF_DBG(ERR, "Unable to get resource resv list.\n");
+		return -EINVAL;
+	}
+
+	rc = bnxt_ulp_unnamed_resources_calc(ulp_ctx, unnamed, unum, res);
+	if (rc)
+		BNXT_TF_DBG(ERR, "Unable to calc resources for session.\n");
+
+	return rc;
+}
+
+static int32_t
+bnxt_ulp_tf_shared_session_resources_get(struct bnxt_ulp_context *ulp_ctx,
+					 struct tf_session_resources *res)
+{
+	struct bnxt_ulp_resource_resv_info *unnamed;
+	struct bnxt_ulp_glb_resource_info *named;
+	uint32_t unum, nnum;
+	int32_t rc;
+
+	if (ulp_ctx == NULL || res == NULL) {
+		BNXT_TF_DBG(ERR, "Invalid arguments to get resources.\n");
+		return -EINVAL;
+	}
+
+	/* Make sure the resources are zero before accumulating. */
+	memset(res, 0, sizeof(struct tf_session_resources));
+
+	/*
+	 * Shared resources are comprised of both named and unnamed resources.
+	 * First get the unnamed counts, and then add the named to the result.
+	 */
+	/* Get the baseline counts */
+	unnamed = bnxt_ulp_app_resource_resv_list_get(&unum);
+	if (unnamed == NULL) {
+		BNXT_TF_DBG(ERR, "Unable to get shared resource resv list.\n");
+		return -EINVAL;
+	}
+	rc = bnxt_ulp_unnamed_resources_calc(ulp_ctx, unnamed, unum, res);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to calc resources for shared session.\n");
+		return -EINVAL;
+	}
+
+	/* Get the named list and add the totals */
+	named = bnxt_ulp_app_glb_resource_info_list_get(&nnum);
+	if (named == NULL) {
+		BNXT_TF_DBG(ERR, "Unable to get app global resource list\n");
+		return -EINVAL;
+	}
+	rc = bnxt_ulp_named_resources_calc(ulp_ctx, named, nnum, res);
+	if (rc)
+		BNXT_TF_DBG(ERR, "Unable to calc named resources\n");
+
+	return rc;
+}
+
+int32_t
+bnxt_ulp_cntxt_app_caps_init(struct bnxt *bp,
+			     uint8_t app_id, uint32_t dev_id)
+{
+	struct bnxt_ulp_app_capabilities_info *info;
+	uint32_t num = 0;
+	uint16_t i;
+	bool found = false;
+	struct bnxt_ulp_context *ulp_ctx = bp->ulp_ctx;
+
+	if (ULP_APP_DEV_UNSUPPORTED_ENABLED(ulp_ctx->cfg_data->ulp_flags)) {
+		BNXT_TF_DBG(ERR, "APP ID %d, Device ID: 0x%x not supported.\n",
+			    app_id, dev_id);
+		return -EINVAL;
+	}
+
+	info = bnxt_ulp_app_cap_list_get(&num);
+	if (!info || !num) {
+		BNXT_TF_DBG(ERR, "Failed to get app capabilities.\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < num; i++) {
+		if (info[i].app_id != app_id || info[i].device_id != dev_id)
+			continue;
+		found = true;
+		if (info[i].flags & BNXT_ULP_APP_CAP_SHARED_EN)
+			ulp_ctx->cfg_data->ulp_flags |=
+				BNXT_ULP_SHARED_SESSION_ENABLED;
+		if (info[i].flags & BNXT_ULP_APP_CAP_HOT_UPGRADE_EN)
+			ulp_ctx->cfg_data->ulp_flags |=
+				BNXT_ULP_HIGH_AVAIL_ENABLED;
+		if (info[i].flags & BNXT_ULP_APP_CAP_UNICAST_ONLY)
+			ulp_ctx->cfg_data->ulp_flags |=
+				BNXT_ULP_APP_UNICAST_ONLY;
+		if (info[i].flags & BNXT_ULP_APP_CAP_SOCKET_DIRECT) {
+			/* Enable socket direction only if MR is enabled in fw*/
+			if (BNXT_MULTIROOT_EN(bp)) {
+				ulp_ctx->cfg_data->ulp_flags |=
+					BNXT_ULP_APP_SOCKET_DIRECT;
+				BNXT_TF_DBG(DEBUG,
+					    "Socket Direct feature is enabled");
+			}
+		}
+	}
+	if (!found) {
+		BNXT_TF_DBG(ERR, "APP ID %d, Device ID: 0x%x not supported.\n",
+			    app_id, dev_id);
+		ulp_ctx->cfg_data->ulp_flags |= BNXT_ULP_APP_DEV_UNSUPPORTED;
+		return -EINVAL;
+	}
 
 	return 0;
 }
 
+static void
+ulp_ctx_shared_session_close(struct bnxt *bp,
+			     struct bnxt_ulp_session_state *session)
+{
+	struct tf *tfp;
+	int32_t rc;
+
+	if (!bnxt_ulp_cntxt_shared_session_enabled(bp->ulp_ctx))
+		return;
+
+	tfp = bnxt_ulp_cntxt_shared_tfp_get(bp->ulp_ctx);
+	if (!tfp) {
+		/*
+		 * Log it under debug since this is likely a case of the
+		 * shared session not being created.  For example, a failed
+		 * initialization.
+		 */
+		BNXT_TF_DBG(DEBUG, "Failed to get shared tfp on close.\n");
+		return;
+	}
+	rc = tf_close_session(tfp);
+	if (rc)
+		BNXT_TF_DBG(ERR, "Failed to close the shared session rc=%d.\n",
+			    rc);
+	(void)bnxt_ulp_cntxt_shared_tfp_set(bp->ulp_ctx, NULL);
+
+	session->g_shared_tfp.session = NULL;
+}
+
+static int32_t
+ulp_ctx_shared_session_open(struct bnxt *bp,
+			    struct bnxt_ulp_session_state *session)
+{
+	struct rte_eth_dev *ethdev = bp->eth_dev;
+	struct tf_session_resources *resources;
+	struct tf_open_session_parms parms;
+	size_t copy_nbytes;
+	uint32_t ulp_dev_id = BNXT_ULP_DEVICE_ID_LAST;
+	int32_t	rc = 0;
+	uint8_t app_id;
+
+	/* only perform this if shared session is enabled. */
+	if (!bnxt_ulp_cntxt_shared_session_enabled(bp->ulp_ctx))
+		return 0;
+
+	memset(&parms, 0, sizeof(parms));
+
+	rc = rte_eth_dev_get_name_by_port(ethdev->data->port_id,
+					  parms.ctrl_chan_name);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Invalid port %d, rc = %d\n",
+			    ethdev->data->port_id, rc);
+		return rc;
+	}
+	resources = &parms.resources;
+
+	/*
+	 * Need to account for size of ctrl_chan_name and 1 extra for Null
+	 * terminator
+	 */
+	copy_nbytes = sizeof(parms.ctrl_chan_name) -
+		strlen(parms.ctrl_chan_name) - 1;
+
+	/*
+	 * Build the ctrl_chan_name with shared token.
+	 * When HA is enabled, the WC TCAM needs extra management by the core,
+	 * so add the wc_tcam string to the control channel.
+	 */
+	if (bnxt_ulp_cntxt_ha_enabled(bp->ulp_ctx))
+		strncat(parms.ctrl_chan_name, "-tf_shared-wc_tcam",
+			copy_nbytes);
+	else
+		strncat(parms.ctrl_chan_name, "-tf_shared", copy_nbytes);
+
+	rc = bnxt_ulp_tf_shared_session_resources_get(bp->ulp_ctx, resources);
+	if (rc)
+		return rc;
+
+	rc = bnxt_ulp_cntxt_app_id_get(bp->ulp_ctx, &app_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
+		return -EINVAL;
+	}
+
+	rc = bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &ulp_dev_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to get device id from ulp.\n");
+		return rc;
+	}
+
+	switch (ulp_dev_id) {
+	case BNXT_ULP_DEVICE_ID_WH_PLUS:
+		parms.device_type = TF_DEVICE_TYPE_WH;
+		break;
+	case BNXT_ULP_DEVICE_ID_STINGRAY:
+		parms.device_type = TF_DEVICE_TYPE_SR;
+		break;
+	case BNXT_ULP_DEVICE_ID_THOR:
+		parms.device_type = TF_DEVICE_TYPE_THOR;
+		break;
+	default:
+		BNXT_TF_DBG(ERR, "Unable to determine dev for opening session.\n");
+		return rc;
+	}
+
+	parms.shadow_copy = true;
+	parms.bp = bp;
+	if (app_id == 0)
+		parms.wc_num_slices = TF_WC_TCAM_2_SLICE_PER_ROW;
+	else
+		parms.wc_num_slices = TF_WC_TCAM_1_SLICE_PER_ROW;
+
+	/*
+	 * Open the session here, but the collect the resources during the
+	 * mapper initialization.
+	 */
+	rc = tf_open_session(&bp->tfp_shared, &parms);
+	if (rc)
+		return rc;
+
+	if (parms.shared_session_creator)
+		BNXT_TF_DBG(DEBUG, "Shared session creator.\n");
+	else
+		BNXT_TF_DBG(DEBUG, "Shared session attached.\n");
+
+	/* Save the shared session in global data */
+	if (!session->g_shared_tfp.session)
+		session->g_shared_tfp.session = bp->tfp_shared.session;
+
+	rc = bnxt_ulp_cntxt_shared_tfp_set(bp->ulp_ctx, &bp->tfp_shared);
+	if (rc)
+		BNXT_TF_DBG(ERR, "Failed to add shared tfp to ulp (%d)\n", rc);
+
+	return rc;
+}
+
+static int32_t
+ulp_ctx_shared_session_attach(struct bnxt *bp,
+			      struct bnxt_ulp_session_state *session)
+{
+	int32_t rc = 0;
+
+	/* Simply return success if shared session not enabled */
+	if (bnxt_ulp_cntxt_shared_session_enabled(bp->ulp_ctx)) {
+		bp->tfp_shared.session = session->g_shared_tfp.session;
+		rc = ulp_ctx_shared_session_open(bp, session);
+	}
+
+	return rc;
+}
+
+static void
+ulp_ctx_shared_session_detach(struct bnxt *bp)
+{
+	if (bnxt_ulp_cntxt_shared_session_enabled(bp->ulp_ctx)) {
+		if (bp->tfp_shared.session) {
+			tf_close_session(&bp->tfp_shared);
+			bp->tfp_shared.session = NULL;
+		}
+	}
+}
+
 /*
  * Initialize an ULP session.
  * An ULP session will contain all the resources needed to support rte flow
@@ -69,6 +537,8 @@ ulp_ctx_session_open(struct bnxt *bp,
 	int32_t				rc = 0;
 	struct tf_open_session_parms	params;
 	struct tf_session_resources	*resources;
+	uint32_t ulp_dev_id = BNXT_ULP_DEVICE_ID_LAST;
+	uint8_t app_id;
 
 	memset(&params, 0, sizeof(params));
 
@@ -80,54 +550,45 @@ ulp_ctx_session_open(struct bnxt *bp,
 		return rc;
 	}
 
-	params.shadow_copy = false;
-	params.device_type = TF_DEVICE_TYPE_WH;
+	params.shadow_copy = true;
+
+	rc = bnxt_ulp_cntxt_app_id_get(bp->ulp_ctx, &app_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
+		return -EINVAL;
+	}
+
+	rc = bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &ulp_dev_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to get device id from ulp.\n");
+		return rc;
+	}
+
+	switch (ulp_dev_id) {
+	case BNXT_ULP_DEVICE_ID_WH_PLUS:
+		params.device_type = TF_DEVICE_TYPE_WH;
+		break;
+	case BNXT_ULP_DEVICE_ID_STINGRAY:
+		params.device_type = TF_DEVICE_TYPE_SR;
+		break;
+	case BNXT_ULP_DEVICE_ID_THOR:
+		params.device_type = TF_DEVICE_TYPE_THOR;
+		break;
+	default:
+		BNXT_TF_DBG(ERR, "Unable to determine device for opening session.\n");
+		return rc;
+	}
+
 	resources = &params.resources;
-	/** RX **/
-	/* Identifiers */
-	resources->ident_cnt[TF_DIR_RX].cnt[TF_IDENT_TYPE_L2_CTXT] = 16;
-	resources->ident_cnt[TF_DIR_RX].cnt[TF_IDENT_TYPE_WC_PROF] = 8;
-	resources->ident_cnt[TF_DIR_RX].cnt[TF_IDENT_TYPE_PROF_FUNC] = 8;
-	resources->ident_cnt[TF_DIR_RX].cnt[TF_IDENT_TYPE_EM_PROF] = 8;
-
-	/* Table Types */
-	resources->tbl_cnt[TF_DIR_RX].cnt[TF_TBL_TYPE_FULL_ACT_RECORD] = 720;
-	resources->tbl_cnt[TF_DIR_RX].cnt[TF_TBL_TYPE_ACT_STATS_64] = 720;
-
-	/* TCAMs */
-	resources->tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_L2_CTXT_TCAM] = 16;
-	resources->tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_PROF_TCAM] = 8;
-	resources->tcam_cnt[TF_DIR_RX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] = 416;
-
-	/* EM */
-	resources->em_cnt[TF_DIR_RX].cnt[TF_EM_TBL_TYPE_EM_RECORD] = 2048;
-
-	/** TX **/
-	/* Identifiers */
-	resources->ident_cnt[TF_DIR_TX].cnt[TF_IDENT_TYPE_L2_CTXT] = 8;
-	resources->ident_cnt[TF_DIR_TX].cnt[TF_IDENT_TYPE_WC_PROF] = 8;
-	resources->ident_cnt[TF_DIR_TX].cnt[TF_IDENT_TYPE_PROF_FUNC] = 8;
-	resources->ident_cnt[TF_DIR_TX].cnt[TF_IDENT_TYPE_EM_PROF] = 8;
-
-	/* Table Types */
-	resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_FULL_ACT_RECORD] = 16;
-	resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_ACT_STATS_64] = 16;
-
-	/* ENCAP */
-	resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_ACT_ENCAP_64B] = 16;
-	resources->tbl_cnt[TF_DIR_TX].cnt[TF_TBL_TYPE_ACT_ENCAP_16B] = 16;
-
-	/* TCAMs */
-	resources->tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_L2_CTXT_TCAM] = 8;
-	resources->tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_PROF_TCAM] = 8;
-	resources->tcam_cnt[TF_DIR_TX].cnt[TF_TCAM_TBL_TYPE_WC_TCAM] = 8;
-
-	/* EM */
-	resources->em_cnt[TF_DIR_TX].cnt[TF_EM_TBL_TYPE_EM_RECORD] = 8;
-
-	/* EEM */
-	resources->em_cnt[TF_DIR_RX].cnt[TF_EM_TBL_TYPE_TBL_SCOPE] = 1;
-	resources->em_cnt[TF_DIR_TX].cnt[TF_EM_TBL_TYPE_TBL_SCOPE] = 1;
+	rc = bnxt_ulp_tf_resources_get(bp->ulp_ctx, resources);
+	if (rc)
+		return rc;
+
+	params.bp = bp;
+	if (app_id == 0)
+		params.wc_num_slices = TF_WC_TCAM_2_SLICE_PER_ROW;
+	else
+		params.wc_num_slices = TF_WC_TCAM_1_SLICE_PER_ROW;
 
 	rc = tf_open_session(&bp->tfp, &params);
 	if (rc) {
@@ -135,8 +596,12 @@ ulp_ctx_session_open(struct bnxt *bp,
 			    params.ctrl_chan_name, rc);
 		return -EINVAL;
 	}
-	session->session_opened = 1;
-	session->g_tfp = &bp->tfp;
+	if (!session->session_opened) {
+		session->session_opened = 1;
+		session->g_tfp = rte_zmalloc("bnxt_ulp_session_tfp",
+					     sizeof(struct tf), 0);
+		session->g_tfp->session = bp->tfp.session;
+	}
 	return rc;
 }
 
@@ -152,8 +617,8 @@ ulp_ctx_session_close(struct bnxt *bp,
 	if (session->session_opened)
 		tf_close_session(&bp->tfp);
 	session->session_opened = 0;
+	rte_free(session->g_tfp);
 	session->g_tfp = NULL;
-	bp->ulp_ctx->g_tfp = NULL;
 }
 
 static void
@@ -183,29 +648,29 @@ bnxt_init_tbl_scope_parms(struct bnxt *bp,
 			BNXT_ULP_DFLT_RX_MAX_ACTN_ENTRY;
 		params->rx_mem_size_in_mb = BNXT_ULP_DFLT_RX_MEM;
 		params->rx_num_flows_in_k = BNXT_ULP_RX_NUM_FLOWS;
-		params->rx_tbl_if_id = BNXT_ULP_RX_TBL_IF_ID;
 
 		params->tx_max_key_sz_in_bits = BNXT_ULP_DFLT_TX_MAX_KEY;
 		params->tx_max_action_entry_sz_in_bits =
 			BNXT_ULP_DFLT_TX_MAX_ACTN_ENTRY;
 		params->tx_mem_size_in_mb = BNXT_ULP_DFLT_TX_MEM;
 		params->tx_num_flows_in_k = BNXT_ULP_TX_NUM_FLOWS;
-		params->tx_tbl_if_id = BNXT_ULP_TX_TBL_IF_ID;
 	} else {
 		params->rx_max_key_sz_in_bits = BNXT_ULP_DFLT_RX_MAX_KEY;
 		params->rx_max_action_entry_sz_in_bits =
 			BNXT_ULP_DFLT_RX_MAX_ACTN_ENTRY;
 		params->rx_mem_size_in_mb = BNXT_ULP_DFLT_RX_MEM;
-		params->rx_num_flows_in_k = dparms->flow_db_num_entries / 1024;
-		params->rx_tbl_if_id = BNXT_ULP_RX_TBL_IF_ID;
+		params->rx_num_flows_in_k =
+			dparms->ext_flow_db_num_entries / 1024;
 
 		params->tx_max_key_sz_in_bits = BNXT_ULP_DFLT_TX_MAX_KEY;
 		params->tx_max_action_entry_sz_in_bits =
 			BNXT_ULP_DFLT_TX_MAX_ACTN_ENTRY;
 		params->tx_mem_size_in_mb = BNXT_ULP_DFLT_TX_MEM;
-		params->tx_num_flows_in_k = dparms->flow_db_num_entries / 1024;
-		params->tx_tbl_if_id = BNXT_ULP_TX_TBL_IF_ID;
+		params->tx_num_flows_in_k =
+			dparms->ext_flow_db_num_entries / 1024;
 	}
+	BNXT_TF_DBG(INFO, "Table Scope initialized with %uK flows.\n",
+		    params->rx_num_flows_in_k);
 }
 
 /* Initialize Extended Exact Match host memory. */
@@ -213,8 +678,9 @@ static int32_t
 ulp_eem_tbl_scope_init(struct bnxt *bp)
 {
 	struct tf_alloc_tbl_scope_parms params = {0};
-	uint32_t dev_id;
 	struct bnxt_ulp_device_params *dparms;
+	enum bnxt_ulp_flow_mem_type mtype;
+	uint32_t dev_id;
 	int rc;
 
 	/* Get the dev specific number of flows that needed to be supported. */
@@ -229,20 +695,20 @@ ulp_eem_tbl_scope_init(struct bnxt *bp)
 		return -ENODEV;
 	}
 
-	if (dparms->flow_mem_type != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
+	if (bnxt_ulp_cntxt_mem_type_get(bp->ulp_ctx, &mtype))
+		return -EINVAL;
+	if (mtype != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
 		BNXT_TF_DBG(INFO, "Table Scope alloc is not required\n");
 		return 0;
 	}
 
 	bnxt_init_tbl_scope_parms(bp, &params);
-
 	rc = tf_alloc_tbl_scope(&bp->tfp, &params);
 	if (rc) {
 		BNXT_TF_DBG(ERR, "Unable to allocate eem table scope rc = %d\n",
 			    rc);
 		return rc;
 	}
-
 	rc = bnxt_ulp_cntxt_tbl_scope_id_set(bp->ulp_ctx, params.tbl_scope_id);
 	if (rc) {
 		BNXT_TF_DBG(ERR, "Unable to set table scope id\n");
@@ -260,16 +726,13 @@ ulp_eem_tbl_scope_deinit(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
 	struct tf			*tfp;
 	int32_t				rc = 0;
 	struct bnxt_ulp_device_params *dparms;
+	enum bnxt_ulp_flow_mem_type mtype;
 	uint32_t dev_id;
 
 	if (!ulp_ctx || !ulp_ctx->cfg_data)
 		return -EINVAL;
 
-	/* Free the resources for the last device */
-	if (!ulp_ctx_deinit_allowed(bp))
-		return rc;
-
-	tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx);
+	tfp = bnxt_ulp_cntxt_tfp_get(ulp_ctx, BNXT_ULP_SHARED_SESSION_NO);
 	if (!tfp) {
 		BNXT_TF_DBG(ERR, "Failed to get the truflow pointer\n");
 		return -EINVAL;
@@ -287,7 +750,9 @@ ulp_eem_tbl_scope_deinit(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
 		return -ENODEV;
 	}
 
-	if (dparms->flow_mem_type != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
+	if (bnxt_ulp_cntxt_mem_type_get(ulp_ctx, &mtype))
+		return -EINVAL;
+	if (mtype != BNXT_ULP_FLOW_MEM_TYPE_EXT) {
 		BNXT_TF_DBG(INFO, "Table Scope free is not required\n");
 		return 0;
 	}
@@ -311,14 +776,12 @@ static int32_t
 ulp_ctx_deinit(struct bnxt *bp,
 	       struct bnxt_ulp_session_state *session)
 {
-	if (!session || !bp) {
-		BNXT_TF_DBG(ERR, "Invalid Arguments\n");
-		return -EINVAL;
-	}
-
 	/* close the tf session */
 	ulp_ctx_session_close(bp, session);
 
+	/* The shared session must be closed last. */
+	ulp_ctx_shared_session_close(bp, session);
+
 	/* Free the contents */
 	if (session->cfg_data) {
 		rte_free(session->cfg_data);
@@ -335,10 +798,16 @@ ulp_ctx_init(struct bnxt *bp,
 {
 	struct bnxt_ulp_data	*ulp_data;
 	int32_t			rc = 0;
+	enum bnxt_ulp_device_id devid;
 
-	if (!session || !bp) {
-		BNXT_TF_DBG(ERR, "Invalid Arguments\n");
-		return -EINVAL;
+	/* Initialize the context entries list */
+	bnxt_ulp_cntxt_list_init();
+
+	/* Add the context to the context entries list */
+	rc = bnxt_ulp_cntxt_list_add(bp->ulp_ctx);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to add the context list entry\n");
+		return -ENOMEM;
 	}
 
 	/* Allocate memory to hold ulp context data. */
@@ -353,26 +822,74 @@ ulp_ctx_init(struct bnxt *bp,
 	bp->ulp_ctx->cfg_data = ulp_data;
 	session->cfg_data = ulp_data;
 	ulp_data->ref_cnt++;
+	ulp_data->ulp_flags |= BNXT_ULP_VF_REP_ENABLED;
 
-	/* Open the ulp session. */
-	rc = ulp_ctx_session_open(bp, session);
+	rc = bnxt_ulp_devid_get(bp, &devid);
 	if (rc) {
-		(void)ulp_ctx_deinit(bp, session);
-		return rc;
+		BNXT_TF_DBG(ERR, "Unable to determine device for ULP init.\n");
+		goto error_deinit;
+	}
+
+	rc = bnxt_ulp_cntxt_dev_id_set(bp->ulp_ctx, devid);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to set device for ULP init.\n");
+		goto error_deinit;
+	}
+
+	rc = bnxt_ulp_cntxt_app_id_set(bp->ulp_ctx, bp->app_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to set app_id for ULP init.\n");
+		goto error_deinit;
+	}
+	BNXT_TF_DBG(DEBUG, "Ulp initialized with app id %d\n", bp->app_id);
+
+	rc = bnxt_ulp_cntxt_app_caps_init(bp, bp->app_id, devid);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to set caps for app(%x)/dev(%x)\n",
+			    bp->app_id, devid);
+		goto error_deinit;
+	}
+
+	/*
+	 * Shared session must be created before first regular session but after
+	 * the ulp_ctx is valid.
+	 */
+	rc = ulp_ctx_shared_session_open(bp, session);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to open shared session (%d)\n", rc);
+		goto error_deinit;
 	}
-	bnxt_ulp_cntxt_tfp_set(bp->ulp_ctx, session->g_tfp);
+
+	/* Open the ulp session. */
+	rc = ulp_ctx_session_open(bp, session);
+	if (rc)
+		goto error_deinit;
+
+	bnxt_ulp_cntxt_tfp_set(bp->ulp_ctx, &bp->tfp);
+	return rc;
+
+error_deinit:
+	session->session_opened = 1;
+	(void)ulp_ctx_deinit(bp, session);
 	return rc;
 }
 
 /* The function to initialize ulp dparms with devargs */
 static int32_t
-ulp_dparms_init(struct bnxt *bp,
-		struct bnxt_ulp_context *ulp_ctx)
+ulp_dparms_init(struct bnxt *bp, struct bnxt_ulp_context *ulp_ctx)
 {
 	struct bnxt_ulp_device_params *dparms;
-	uint32_t dev_id;
+	uint32_t dev_id = BNXT_ULP_DEVICE_ID_LAST;
 
-	if (!bp->max_num_kflows)
+	if (!bp->max_num_kflows) {
+		/* Defaults to Internal */
+		bnxt_ulp_cntxt_mem_type_set(ulp_ctx,
+					    BNXT_ULP_FLOW_MEM_TYPE_INT);
+		return 0;
+	}
+
+	/* The max_num_kflows were set, so move to external */
+	if (bnxt_ulp_cntxt_mem_type_set(ulp_ctx, BNXT_ULP_FLOW_MEM_TYPE_EXT))
 		return -EINVAL;
 
 	if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id)) {
@@ -387,11 +904,11 @@ ulp_dparms_init(struct bnxt *bp,
 	}
 
 	/* num_flows = max_num_kflows * 1024 */
-	dparms->flow_db_num_entries = bp->max_num_kflows * 1024;
+	dparms->ext_flow_db_num_entries = bp->max_num_kflows * 1024;
 	/* GFID =  2 * num_flows */
-	dparms->mark_db_gfid_entries = dparms->flow_db_num_entries * 2;
-	BNXT_TF_DBG(DEBUG, "Set the number of flows = %"PRIu64"\n",
-		    dparms->flow_db_num_entries);
+	dparms->mark_db_gfid_entries = dparms->ext_flow_db_num_entries * 2;
+	BNXT_TF_DBG(DEBUG, "Set the number of flows = %" PRIu64 "\n",
+		    dparms->ext_flow_db_num_entries);
 
 	return 0;
 }
@@ -401,73 +918,81 @@ static int32_t
 ulp_dparms_dev_port_intf_update(struct bnxt *bp,
 				struct bnxt_ulp_context *ulp_ctx)
 {
-	struct bnxt_ulp_device_params *dparms;
-	uint32_t dev_id;
+	enum bnxt_ulp_flow_mem_type mtype;
 
-	if (bnxt_ulp_cntxt_dev_id_get(ulp_ctx, &dev_id)) {
-		BNXT_TF_DBG(DEBUG, "Failed to get device id\n");
+	if (bnxt_ulp_cntxt_mem_type_get(ulp_ctx, &mtype))
 		return -EINVAL;
-	}
-
-	dparms = bnxt_ulp_device_params_get(dev_id);
-	if (!dparms) {
-		BNXT_TF_DBG(DEBUG, "Failed to get device parms\n");
-		return -EINVAL;
-	}
-
 	/* Update the bp flag with gfid flag */
-	if (dparms->flow_mem_type == BNXT_ULP_FLOW_MEM_TYPE_EXT)
+	if (mtype == BNXT_ULP_FLOW_MEM_TYPE_EXT)
 		bp->flags |= BNXT_FLAG_GFID_ENABLE;
 
 	return 0;
 }
 
 static int32_t
-ulp_ctx_attach(struct bnxt_ulp_context *ulp_ctx,
+ulp_ctx_attach(struct bnxt *bp,
 	       struct bnxt_ulp_session_state *session)
 {
-	if (!ulp_ctx || !session) {
-		BNXT_TF_DBG(ERR, "Invalid Arguments\n");
-		return -EINVAL;
-	}
+	int32_t rc = 0;
+	uint32_t flags, dev_id = BNXT_ULP_DEVICE_ID_LAST;
+	uint8_t app_id;
 
 	/* Increment the ulp context data reference count usage. */
-	ulp_ctx->cfg_data = session->cfg_data;
-	ulp_ctx->cfg_data->ref_cnt++;
+	bp->ulp_ctx->cfg_data = session->cfg_data;
+	bp->ulp_ctx->cfg_data->ref_cnt++;
 
-	/* TBD call TF_session_attach. */
-	ulp_ctx->g_tfp = session->g_tfp;
-	return 0;
-}
+	/* update the session details in bnxt tfp */
+	bp->tfp.session = session->g_tfp->session;
 
-static int32_t
-ulp_ctx_detach(struct bnxt *bp,
-	       struct bnxt_ulp_session_state *session)
-{
-	struct bnxt_ulp_context *ulp_ctx;
+	/* Add the context to the context entries list */
+	rc = bnxt_ulp_cntxt_list_add(bp->ulp_ctx);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to add the context list entry\n");
+		return -EINVAL;
+	}
 
-	if (!bp || !session) {
-		BNXT_TF_DBG(ERR, "Invalid Arguments\n");
+	/*
+	 * The supported flag will be set during the init. Use it now to
+	 * know if we should go through the attach.
+	 */
+	rc = bnxt_ulp_cntxt_app_id_get(bp->ulp_ctx, &app_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to get the app id from ulp.\n");
 		return -EINVAL;
 	}
-	ulp_ctx = bp->ulp_ctx;
 
-	if (!ulp_ctx->cfg_data)
-		return 0;
+	rc = bnxt_ulp_cntxt_dev_id_get(bp->ulp_ctx, &dev_id);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable do get the dev_id.\n");
+		return -EINVAL;
+	}
 
-	/* TBD call TF_session_detach */
+	flags = bp->ulp_ctx->cfg_data->ulp_flags;
+	if (ULP_APP_DEV_UNSUPPORTED_ENABLED(flags)) {
+		BNXT_TF_DBG(ERR, "APP ID %d, Device ID: 0x%x not supported.\n",
+			    app_id, dev_id);
+		return -EINVAL;
+	}
 
-	/* Increment the ulp context data reference count usage. */
-	if (ulp_ctx->cfg_data->ref_cnt >= 1) {
-		ulp_ctx->cfg_data->ref_cnt--;
-		if (ulp_ctx_deinit_allowed(bp))
-			ulp_ctx_deinit(bp, session);
-		ulp_ctx->cfg_data = NULL;
-		ulp_ctx->g_tfp = NULL;
-		return 0;
+	/* Create a TF Client */
+	rc = ulp_ctx_session_open(bp, session);
+	if (rc) {
+		PMD_DRV_LOG(ERR, "Failed to open ctxt session, rc:%d\n", rc);
+		bp->tfp.session = NULL;
+		return rc;
+	}
+
+	bnxt_ulp_cntxt_tfp_set(bp->ulp_ctx, &bp->tfp);
+	return rc;
+}
+
+static void
+ulp_ctx_detach(struct bnxt *bp)
+{
+	if (bp->tfp.session) {
+		tf_close_session(&bp->tfp);
+		bp->tfp.session = NULL;
 	}
-	BNXT_TF_DBG(ERR, "context deatach on invalid data\n");
-	return 0;
 }
 
 /*
@@ -496,13 +1021,15 @@ ulp_context_initialized(struct bnxt_ulp_session_state *session, bool *init)
  * pointer, otherwise allocate a new session.
  */
 static struct bnxt_ulp_session_state *
-ulp_get_session(struct rte_pci_addr *pci_addr)
+ulp_get_session(struct bnxt *bp, struct rte_pci_addr *pci_addr)
 {
 	struct bnxt_ulp_session_state *session;
 
+	/* if multi root capability is enabled, then ignore the pci bus id */
 	STAILQ_FOREACH(session, &bnxt_ulp_session_list, next) {
 		if (session->pci_info.domain == pci_addr->domain &&
-		    session->pci_info.bus == pci_addr->bus) {
+		    (BNXT_MULTIROOT_EN(bp) ||
+		    session->pci_info.bus == pci_addr->bus)) {
 			return session;
 		}
 	}
@@ -520,6 +1047,7 @@ ulp_session_init(struct bnxt *bp,
 	struct rte_pci_device		*pci_dev;
 	struct rte_pci_addr		*pci_addr;
 	struct bnxt_ulp_session_state	*session;
+	int rc = 0;
 
 	if (!bp)
 		return NULL;
@@ -529,7 +1057,7 @@ ulp_session_init(struct bnxt *bp,
 
 	pthread_mutex_lock(&bnxt_ulp_global_mutex);
 
-	session = ulp_get_session(pci_addr);
+	session = ulp_get_session(bp, pci_addr);
 	if (!session) {
 		/* Not Found the session  Allocate a new one */
 		session = rte_zmalloc("bnxt_ulp_session",
@@ -545,7 +1073,12 @@ ulp_session_init(struct bnxt *bp,
 			/* Add it to the queue */
 			session->pci_info.domain = pci_addr->domain;
 			session->pci_info.bus = pci_addr->bus;
-			pthread_mutex_init(&session->bnxt_ulp_mutex, NULL);
+			rc = pthread_mutex_init(&session->bnxt_ulp_mutex, NULL);
+			if (rc) {
+				BNXT_TF_DBG(ERR, "mutex create failed\n");
+				pthread_mutex_unlock(&bnxt_ulp_global_mutex);
+				return NULL;
+			}
 			STAILQ_INSERT_TAIL(&bnxt_ulp_session_list,
 					   session, next);
 		}
@@ -576,77 +1109,183 @@ ulp_session_deinit(struct bnxt_ulp_session_state *session)
 }
 
 /*
- * When a port is initialized by dpdk. This functions is called
- * and this function initializes the ULP context and rest of the
- * infrastructure associated with it.
+ * Internal api to enable NAT feature.
+ * Set set_flag to 1 to set the value or zero to reset the value.
+ * returns 0 on success.
  */
-int32_t
-bnxt_ulp_init(struct bnxt *bp)
+static int32_t
+bnxt_ulp_global_cfg_update(struct bnxt *bp,
+			   enum tf_dir dir,
+			   enum tf_global_config_type type,
+			   uint32_t offset,
+			   uint32_t value,
+			   uint32_t set_flag)
 {
-	struct bnxt_ulp_session_state *session;
-	bool init;
+	uint32_t global_cfg = 0;
 	int rc;
+	struct tf_global_cfg_parms parms = { 0 };
 
-	if (bp->ulp_ctx) {
-		BNXT_TF_DBG(ERR, "ulp ctx already allocated\n");
-		return -EINVAL;
+	/* Initialize the params */
+	parms.dir = dir,
+	parms.type = type,
+	parms.offset = offset,
+	parms.config = (uint8_t *)&global_cfg,
+	parms.config_sz_in_bytes = sizeof(global_cfg);
+
+	rc = tf_get_global_cfg(&bp->tfp, &parms);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to get global cfg 0x%x rc:%d\n",
+			    type, rc);
+		return rc;
 	}
 
-	/*
-	 * Multiple uplink ports can be associated with a single vswitch.
-	 * Make sure only the port that is started first will initialize
-	 * the TF session.
-	 */
-	session = ulp_session_init(bp, &init);
-	if (!session) {
-		BNXT_TF_DBG(ERR, "Failed to initialize the tf session\n");
-		return -EINVAL;
+	if (set_flag)
+		global_cfg |= value;
+	else
+		global_cfg &= ~value;
+
+	/* SET the register RE_CFA_REG_ACT_TECT */
+	rc = tf_set_global_cfg(&bp->tfp, &parms);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to set global cfg 0x%x rc:%d\n",
+			    type, rc);
+		return rc;
 	}
+	return rc;
+}
 
-	bp->ulp_ctx = rte_zmalloc("bnxt_ulp_ctx",
-				  sizeof(struct bnxt_ulp_context), 0);
-	if (!bp->ulp_ctx) {
-		BNXT_TF_DBG(ERR, "Failed to allocate ulp ctx\n");
-		ulp_session_deinit(session);
-		return -ENOMEM;
+/* Internal function to delete all the flows belonging to the given port */
+static void
+bnxt_ulp_flush_port_flows(struct bnxt *bp)
+{
+	uint16_t func_id;
+
+	/* it is assumed that port is either TVF or PF */
+	if (ulp_port_db_port_func_id_get(bp->ulp_ctx,
+					 bp->eth_dev->data->port_id,
+					 &func_id)) {
+		BNXT_TF_DBG(ERR, "Invalid argument\n");
+		return;
 	}
+	(void)ulp_flow_db_function_flow_flush(bp->ulp_ctx, func_id);
+}
 
-	/*
-	 * If ULP is already initialized for a specific domain then simply
-	 * assign the ulp context to this rte_eth_dev.
-	 */
-	if (init) {
-		rc = ulp_ctx_attach(bp->ulp_ctx, session);
-		if (rc) {
-			BNXT_TF_DBG(ERR,
-				    "Failed to attach the ulp context\n");
-			ulp_session_deinit(session);
-			rte_free(bp->ulp_ctx);
-			return rc;
-		}
+/* Internal function to delete the VFR default flows */
+static void
+bnxt_ulp_destroy_vfr_default_rules(struct bnxt *bp, bool global)
+{
+	struct bnxt_ulp_vfr_rule_info *info;
+	uint16_t port_id;
+	struct rte_eth_dev *vfr_eth_dev;
+	struct bnxt_representor *vfr_bp;
 
-		/* Update bnxt driver flags */
-		rc = ulp_dparms_dev_port_intf_update(bp, bp->ulp_ctx);
-		if (rc) {
-			BNXT_TF_DBG(ERR, "Failed to update driver flags\n");
-			ulp_ctx_detach(bp, session);
-			ulp_session_deinit(session);
-			rte_free(bp->ulp_ctx);
-			return rc;
-		}
+	if (!BNXT_TRUFLOW_EN(bp) || BNXT_ETH_DEV_IS_REPRESENTOR(bp->eth_dev))
+		return;
 
-		/* update the port database */
-		rc = ulp_port_db_dev_port_intf_update(bp->ulp_ctx, bp->eth_dev);
-		if (rc) {
-			BNXT_TF_DBG(ERR,
-				    "Failed to update port database\n");
-			ulp_ctx_detach(bp, session);
-			ulp_session_deinit(session);
-			rte_free(bp->ulp_ctx);
+	if (!bp->ulp_ctx || !bp->ulp_ctx->cfg_data)
+		return;
+
+	/* Delete default rules for all ports */
+	for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) {
+		info = &bp->ulp_ctx->cfg_data->vfr_rule_info[port_id];
+		if (!info->valid)
+			continue;
+
+		if (!global && info->parent_port_id !=
+		    bp->eth_dev->data->port_id)
+			continue;
+
+		/* Destroy the flows */
+		ulp_default_flow_destroy(bp->eth_dev, info->vfr_flow_id);
+		/* Clean up the tx action pointer */
+		vfr_eth_dev = &rte_eth_devices[port_id];
+		if (vfr_eth_dev) {
+			vfr_bp = vfr_eth_dev->data->dev_private;
+			vfr_bp->vfr_tx_cfa_action = 0;
 		}
-		return rc;
+		memset(info, 0, sizeof(struct bnxt_ulp_vfr_rule_info));
+	}
+}
+
+/*
+ * When a port is deinit'ed by dpdk. This function is called
+ * and this function clears the ULP context and rest of the
+ * infrastructure associated with it.
+ */
+static void
+bnxt_ulp_deinit(struct bnxt *bp,
+		struct bnxt_ulp_session_state *session)
+{
+	bool ha_enabled;
+
+	if (!bp->ulp_ctx || !bp->ulp_ctx->cfg_data)
+		return;
+
+	ha_enabled = bnxt_ulp_cntxt_ha_enabled(bp->ulp_ctx);
+	if (ha_enabled && session->session_opened) {
+		int32_t rc = ulp_ha_mgr_close(bp->ulp_ctx);
+		if (rc)
+			BNXT_TF_DBG(ERR, "Failed to close HA (%d)\n", rc);
 	}
 
+	/* clean up default flows */
+	bnxt_ulp_destroy_df_rules(bp, true);
+
+	/* clean up default VFR flows */
+	bnxt_ulp_destroy_vfr_default_rules(bp, true);
+
+	/* clean up regular flows */
+	ulp_flow_db_flush_flows(bp->ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR);
+
+	/* cleanup the eem table scope */
+	ulp_eem_tbl_scope_deinit(bp, bp->ulp_ctx);
+
+	/* cleanup the flow database */
+	ulp_flow_db_deinit(bp->ulp_ctx);
+
+	/* Delete the Mark database */
+	ulp_mark_db_deinit(bp->ulp_ctx);
+
+	/* cleanup the ulp mapper */
+	ulp_mapper_deinit(bp->ulp_ctx);
+
+	/* Delete the Flow Counter Manager */
+	ulp_fc_mgr_deinit(bp->ulp_ctx);
+
+	/* Delete the Port database */
+	ulp_port_db_deinit(bp->ulp_ctx);
+
+	/* Disable NAT feature */
+	(void)bnxt_ulp_global_cfg_update(bp, TF_DIR_RX, TF_TUNNEL_ENCAP,
+					 TF_TUNNEL_ENCAP_NAT,
+					 BNXT_ULP_NAT_OUTER_MOST_FLAGS, 0);
+
+	(void)bnxt_ulp_global_cfg_update(bp, TF_DIR_TX, TF_TUNNEL_ENCAP,
+					 TF_TUNNEL_ENCAP_NAT,
+					 BNXT_ULP_NAT_OUTER_MOST_FLAGS, 0);
+
+	/* free the flow db lock */
+	pthread_mutex_destroy(&bp->ulp_ctx->cfg_data->flow_db_lock);
+
+	if (ha_enabled)
+		ulp_ha_mgr_deinit(bp->ulp_ctx);
+
+	/* Delete the ulp context and tf session and free the ulp context */
+	ulp_ctx_deinit(bp, session);
+	BNXT_TF_DBG(DEBUG, "ulp ctx has been deinitialized\n");
+}
+
+/*
+ * When a port is initialized by dpdk. This functions is called
+ * and this function initializes the ULP context and rest of the
+ * infrastructure associated with it.
+ */
+static int32_t
+bnxt_ulp_init(struct bnxt *bp,
+	      struct bnxt_ulp_session_state *session)
+{
+	int rc;
+
 	/* Allocate and Initialize the ulp context. */
 	rc = ulp_ctx_init(bp, session);
 	if (rc) {
@@ -654,27 +1293,23 @@ bnxt_ulp_init(struct bnxt *bp)
 		goto jump_to_error;
 	}
 
-	/* Initialize ulp dparms with values devargs passed */
-	rc = ulp_dparms_init(bp, bp->ulp_ctx);
-
-	/* create the port database */
-	rc = ulp_port_db_init(bp->ulp_ctx);
+	rc = pthread_mutex_init(&bp->ulp_ctx->cfg_data->flow_db_lock, NULL);
 	if (rc) {
-		BNXT_TF_DBG(ERR, "Failed to create the port database\n");
+		BNXT_TF_DBG(ERR, "Unable to initialize flow db lock\n");
 		goto jump_to_error;
 	}
 
-	/* Update bnxt driver flags */
-	rc = ulp_dparms_dev_port_intf_update(bp, bp->ulp_ctx);
+	/* Initialize ulp dparms with values devargs passed */
+	rc = ulp_dparms_init(bp, bp->ulp_ctx);
 	if (rc) {
-		BNXT_TF_DBG(ERR, "Failed to update driver flags\n");
+		BNXT_TF_DBG(ERR, "Failed to initialize the dparms\n");
 		goto jump_to_error;
 	}
 
-	/* update the port database */
-	rc = ulp_port_db_dev_port_intf_update(bp->ulp_ctx, bp->eth_dev);
+	/* create the port database */
+	rc = ulp_port_db_init(bp->ulp_ctx, bp->port_cnt);
 	if (rc) {
-		BNXT_TF_DBG(ERR, "Failed to update port database\n");
+		BNXT_TF_DBG(ERR, "Failed to create the port database\n");
 		goto jump_to_error;
 	}
 
@@ -705,65 +1340,262 @@ bnxt_ulp_init(struct bnxt *bp)
 		goto jump_to_error;
 	}
 
+	rc = ulp_fc_mgr_init(bp->ulp_ctx);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to initialize ulp flow counter mgr\n");
+		goto jump_to_error;
+	}
+
+	/*
+	 * Enable NAT feature. Set the global configuration register
+	 * Tunnel encap to enable NAT with the reuse of existing inner
+	 * L2 header smac and dmac
+	 */
+	rc = bnxt_ulp_global_cfg_update(bp, TF_DIR_RX, TF_TUNNEL_ENCAP,
+					TF_TUNNEL_ENCAP_NAT,
+					BNXT_ULP_NAT_OUTER_MOST_FLAGS, 1);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to set rx global configuration\n");
+		goto jump_to_error;
+	}
+
+	rc = bnxt_ulp_global_cfg_update(bp, TF_DIR_TX, TF_TUNNEL_ENCAP,
+					TF_TUNNEL_ENCAP_NAT,
+					BNXT_ULP_NAT_OUTER_MOST_FLAGS, 1);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to set tx global configuration\n");
+		goto jump_to_error;
+	}
+
+	if (bnxt_ulp_cntxt_ha_enabled(bp->ulp_ctx)) {
+		rc = ulp_ha_mgr_init(bp->ulp_ctx);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Failed to initialize HA %d\n", rc);
+			goto jump_to_error;
+		}
+		rc = ulp_ha_mgr_open(bp->ulp_ctx);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Failed to Process HA Open %d\n", rc);
+			goto jump_to_error;
+		}
+	}
+	BNXT_TF_DBG(DEBUG, "ulp ctx has been initialized\n");
 	return rc;
 
 jump_to_error:
-	bnxt_ulp_deinit(bp);
-	return -ENOMEM;
+	bnxt_ulp_deinit(bp, session);
+	return rc;
 }
 
-/* Below are the access functions to access internal data of ulp context. */
+/*
+ * When a port is initialized by dpdk. This functions sets up
+ * the port specific details.
+ */
+int32_t
+bnxt_ulp_port_init(struct bnxt *bp)
+{
+	struct bnxt_ulp_session_state *session;
+	bool initialized;
+	enum bnxt_ulp_device_id devid = BNXT_ULP_DEVICE_ID_LAST;
+	uint32_t ulp_flags;
+	int32_t rc = 0;
+
+	if (!BNXT_TRUFLOW_EN(bp)) {
+		BNXT_TF_DBG(DEBUG,
+			    "Skip ulp init for port: %d, TF is not enabled\n",
+			    bp->eth_dev->data->port_id);
+		return rc;
+	}
+
+	if (!BNXT_PF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
+		BNXT_TF_DBG(DEBUG,
+			    "Skip ulp init for port: %d, not a TVF or PF\n",
+			    bp->eth_dev->data->port_id);
+		return rc;
+	}
+
+	if (bp->ulp_ctx) {
+		BNXT_TF_DBG(DEBUG, "ulp ctx already allocated\n");
+		return rc;
+	}
+
+	bp->ulp_ctx = rte_zmalloc("bnxt_ulp_ctx",
+				  sizeof(struct bnxt_ulp_context), 0);
+	if (!bp->ulp_ctx) {
+		BNXT_TF_DBG(ERR, "Failed to allocate ulp ctx\n");
+		return -ENOMEM;
+	}
+
+	/*
+	 * Multiple uplink ports can be associated with a single vswitch.
+	 * Make sure only the port that is started first will initialize
+	 * the TF session.
+	 */
+	session = ulp_session_init(bp, &initialized);
+	if (!session) {
+		BNXT_TF_DBG(ERR, "Failed to initialize the tf session\n");
+		rc = -EIO;
+		goto jump_to_error;
+	}
+
+	if (initialized) {
+		/*
+		 * If ULP is already initialized for a specific domain then
+		 * simply assign the ulp context to this rte_eth_dev.
+		 */
+		rc = ulp_ctx_attach(bp, session);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Failed to attach the ulp context\n");
+			goto jump_to_error;
+		}
+
+		/*
+		 * Attach to the shared session, must be called after the
+		 * ulp_ctx_attach in order to ensure that ulp data is available
+		 * for attaching.
+		 */
+		rc = ulp_ctx_shared_session_attach(bp, session);
+		if (rc) {
+			BNXT_TF_DBG(ERR,
+				    "Failed attach to shared session (%d)", rc);
+			goto jump_to_error;
+		}
+	} else {
+		rc = bnxt_ulp_init(bp, session);
+		if (rc) {
+			BNXT_TF_DBG(ERR, "Failed to initialize the ulp init\n");
+			goto jump_to_error;
+		}
+	}
+
+	/* Update bnxt driver flags */
+	rc = ulp_dparms_dev_port_intf_update(bp, bp->ulp_ctx);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to update driver flags\n");
+		goto jump_to_error;
+	}
+
+	/* update the port database for the given interface */
+	rc = ulp_port_db_dev_port_intf_update(bp->ulp_ctx, bp->eth_dev);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to update port database\n");
+		goto jump_to_error;
+	}
+	/* create the default rules */
+	rc = bnxt_ulp_create_df_rules(bp);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Failed to create default flow\n");
+		goto jump_to_error;
+	}
+
+	rc = bnxt_ulp_devid_get(bp, &devid);
+	if (rc) {
+		BNXT_TF_DBG(ERR, "Unable to determine device for ULP port init.\n");
+		goto jump_to_error;
+	}
+
+	/* set the unicast mode */
+	if (bnxt_ulp_cntxt_ptr2_ulp_flags_get(bp->ulp_ctx, &ulp_flags)) {
+		BNXT_TF_DBG(ERR, "Error in getting ULP context flags\n");
+		goto jump_to_error;
+	}
+	if (ulp_flags & BNXT_ULP_APP_UNICAST_ONLY) {
+		if (bnxt_pmd_set_unicast_rxmask(bp->eth_dev)) {
+			BNXT_TF_DBG(ERR, "Error in setting unicast rxmode\n");
+			goto jump_to_error;
+		}
+	}
+
+	return rc;
+
+jump_to_error:
+	bnxt_ulp_port_deinit(bp);
+	return rc;
+}
 
 /*
- * When a port is deinit'ed by dpdk. This function is called
- * and this function clears the ULP context and rest of the
- * infrastructure associated with it.
+ * When a port is de-initialized by dpdk. This functions clears up
+ * the port specific details.
  */
 void
-bnxt_ulp_deinit(struct bnxt *bp)
+bnxt_ulp_port_deinit(struct bnxt *bp)
 {
-	struct bnxt_ulp_session_state	*session;
-	struct rte_pci_device		*pci_dev;
-	struct rte_pci_addr		*pci_addr;
+	struct bnxt_ulp_session_state *session;
+	struct rte_pci_device *pci_dev;
+	struct rte_pci_addr *pci_addr;
+
+	if (!BNXT_TRUFLOW_EN(bp)) {
+		BNXT_TF_DBG(DEBUG,
+			    "Skip ULP deinit for port:%d, TF is not enabled\n",
+			    bp->eth_dev->data->port_id);
+		return;
+	}
+
+	if (!BNXT_PF(bp) && !BNXT_VF_IS_TRUSTED(bp)) {
+		BNXT_TF_DBG(DEBUG,
+			    "Skip ULP deinit port:%d, not a TVF or PF\n",
+			    bp->eth_dev->data->port_id);
+		return;
+	}
+
+	if (!bp->ulp_ctx) {
+		BNXT_TF_DBG(DEBUG, "ulp ctx already de-allocated\n");
+		return;
+	}
+
+	BNXT_TF_DBG(DEBUG, "BNXT Port:%d ULP port deinit\n",
+		    bp->eth_dev->data->port_id);
 
-	/* Get the session first */
+	/* Get the session details  */
 	pci_dev = RTE_DEV_TO_PCI(bp->eth_dev->device);
 	pci_addr = &pci_dev->addr;
 	pthread_mutex_lock(&bnxt_ulp_global_mutex);
-	session = ulp_get_session(pci_addr);
+	session = ulp_get_session(bp, pci_addr);
 	pthread_mutex_unlock(&bnxt_ulp_global_mutex);
 
 	/* session not found then just exit */
-	if (!session)
+	if (!session) {
+		/* Free the ulp context */
+		rte_free(bp->ulp_ctx);
+		bp->ulp_ctx = NULL;
 		return;
+	}
 
-	/* clean up regular flows */
-	ulp_flow_db_flush_flows(bp->ulp_ctx, BNXT_ULP_REGULAR_FLOW_TABLE);
-
-	/* cleanup the eem table scope */
-	ulp_eem_tbl_scope_deinit(bp, bp->ulp_ctx);
-
-	/* cleanup the flow database */
-	ulp_flow_db_deinit(bp->ulp_ctx);
+	/* Check the reference count to deinit or deattach*/
+	if (bp->ulp_ctx->cfg_data && bp->ulp_ctx->cfg_data->ref_cnt) {
+		bp->ulp_ctx->cfg_data->ref_cnt--;
+		if (bp->ulp_ctx->cfg_data->ref_cnt) {
+			/* free the port details */
+			/* Free the default flow rule associated to this port */
+			bnxt_ulp_destroy_df_rules(bp, false);
+			bnxt_ulp_destroy_vfr_default_rules(bp, false);
 
-	/* Delete the Mark database */
-	ulp_mark_db_deinit(bp->ulp_ctx);
+			/* free flows associated with this port */
+			bnxt_ulp_flush_port_flows(bp);
 
-	/* cleanup the ulp mapper */
-	ulp_mapper_deinit(bp->ulp_ctx);
+			/* close the session associated with this port */
+			ulp_ctx_detach(bp);
 
-	/* Delete the Port database */
-	ulp_port_db_deinit(bp->ulp_ctx);
+			/* always detach/close shared after the session. */
+			ulp_ctx_shared_session_detach(bp);
+		} else {
+			/* Perform ulp ctx deinit */
+			bnxt_ulp_deinit(bp, session);
+		}
+	}
 
-	/* Delete the ulp context and tf session */
-	ulp_ctx_detach(bp, session);
+	/* Free the ulp context in the context entry list */
+	bnxt_ulp_cntxt_list_del(bp->ulp_ctx);
 
-	/* Finally delete the bnxt session*/
+	/* clean up the session */
 	ulp_session_deinit(session);
 
+	/* Free the ulp context */
 	rte_free(bp->ulp_ctx);
+	bp->ulp_ctx = NULL;
 }
 
+/* Below are the access functions to access internal data of ulp context. */
 /* Function to set the Mark DB into the context */
 int32_t
 bnxt_ulp_cntxt_ptr2_mark_db_set(struct bnxt_ulp_context *ulp_ctx,
@@ -789,6 +1621,31 @@ bnxt_ulp_cntxt_ptr2_mark_db_get(struct bnxt_ulp_context *ulp_ctx)
 	return ulp_ctx->cfg_data->mark_tbl;
 }
 
+bool
+bnxt_ulp_cntxt_shared_session_enabled(struct bnxt_ulp_context *ulp_ctx)
+{
+	return ULP_SHARED_SESSION_IS_ENABLED(ulp_ctx->cfg_data->ulp_flags);
+}
+
+int32_t
+bnxt_ulp_cntxt_app_id_set(struct bnxt_ulp_context *ulp_ctx, uint8_t app_id)
+{
+	if (!ulp_ctx)
+		return -EINVAL;
+	ulp_ctx->cfg_data->app_id = app_id;
+	return 0;
+}
+
+int32_t
+bnxt_ulp_cntxt_app_id_get(struct bnxt_ulp_context *ulp_ctx, uint8_t *app_id)
+{
+	/* Default APP id is zero */
+	if (!ulp_ctx || !app_id)
+		return -EINVAL;
+	*app_id = ulp_ctx->cfg_data->app_id;
+	return 0;
+}
+
 /* Function to set the device id of the hardware. */
 int32_t
 bnxt_ulp_cntxt_dev_id_set(struct bnxt_ulp_context *ulp_ctx,
@@ -811,7 +1668,33 @@ bnxt_ulp_cntxt_dev_id_get(struct bnxt_ulp_context *ulp_ctx,
 		*dev_id = ulp_ctx->cfg_data->dev_id;
 		return 0;
 	}
+	*dev_id = BNXT_ULP_DEVICE_ID_LAST;
+	BNXT_TF_DBG(ERR, "Failed to read dev_id from ulp ctxt\n");
+	return -EINVAL;
+}
 
+int32_t
+bnxt_ulp_cntxt_mem_type_set(struct bnxt_ulp_context *ulp_ctx,
+			    enum bnxt_ulp_flow_mem_type mem_type)
+{
+	if (ulp_ctx && ulp_ctx->cfg_data) {
+		ulp_ctx->cfg_data->mem_type = mem_type;
+		return 0;
+	}
+	BNXT_TF_DBG(ERR, "Failed to write mem_type in ulp ctxt\n");
+	return -EINVAL;
+}
+
+int32_t
+bnxt_ulp_cntxt_mem_type_get(struct bnxt_ulp_context *ulp_ctx,
+			    enum bnxt_ulp_flow_mem_type *mem_type)
+{
+	if (ulp_ctx && ulp_ctx->cfg_data) {
+		*mem_type = ulp_ctx->cfg_data->mem_type;
+		return 0;
+	}
+	*mem_type = BNXT_ULP_FLOW_MEM_TYPE_LAST;
+	BNXT_TF_DBG(ERR, "Failed to read mem_type in ulp ctxt\n");
 	return -EINVAL;
 }
 
@@ -841,6 +1724,48 @@ bnxt_ulp_cntxt_tbl_scope_id_set(struct bnxt_ulp_context *ulp_ctx,
 	return -EINVAL;
 }
 
+/* Function to set the shared tfp session details from the ulp context. */
+int32_t
+bnxt_ulp_cntxt_shared_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp)
+{
+	if (!ulp) {
+		BNXT_TF_DBG(ERR, "Invalid arguments\n");
+		return -EINVAL;
+	}
+
+	if (tfp == NULL) {
+		if (ulp->cfg_data->num_shared_clients > 0)
+			ulp->cfg_data->num_shared_clients--;
+	} else {
+		ulp->cfg_data->num_shared_clients++;
+	}
+
+	ulp->g_shared_tfp = tfp;
+	return 0;
+}
+
+/* Function to get the shared tfp session details from the ulp context. */
+struct tf *
+bnxt_ulp_cntxt_shared_tfp_get(struct bnxt_ulp_context *ulp)
+{
+	if (!ulp) {
+		BNXT_TF_DBG(ERR, "Invalid arguments\n");
+		return NULL;
+	}
+	return ulp->g_shared_tfp;
+}
+
+/* Function to get the number of shared clients attached */
+uint8_t
+bnxt_ulp_cntxt_num_shared_clients_get(struct bnxt_ulp_context *ulp)
+{
+	if (ulp == NULL || ulp->cfg_data == NULL) {
+		BNXT_TF_DBG(ERR, "Invalid arguments\n");
+		return 0;
+	}
+	return ulp->cfg_data->num_shared_clients;
+}
+
 /* Function to set the tfp session details from the ulp context. */
 int32_t
 bnxt_ulp_cntxt_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp)
@@ -850,21 +1775,23 @@ bnxt_ulp_cntxt_tfp_set(struct bnxt_ulp_context *ulp, struct tf *tfp)
 		return -EINVAL;
 	}
 
-	/* TBD The tfp should be removed once tf_attach is implemented. */
 	ulp->g_tfp = tfp;
 	return 0;
 }
 
 /* Function to get the tfp session details from the ulp context. */
 struct tf *
-bnxt_ulp_cntxt_tfp_get(struct bnxt_ulp_context *ulp)
+bnxt_ulp_cntxt_tfp_get(struct bnxt_ulp_context *ulp,
+		       enum bnxt_ulp_shared_session shared)
 {
 	if (!ulp) {
 		BNXT_TF_DBG(ERR, "Invalid arguments\n");
 		return NULL;
 	}
-	/* TBD The tfp should be removed once tf_attach is implemented. */
-	return ulp->g_tfp;
+	if (shared)
+		return ulp->g_shared_tfp;
+	else
+		return ulp->g_tfp;
 }
 
 /*
@@ -904,13 +1831,28 @@ bnxt_ulp_cntxt_ptr2_flow_db_get(struct bnxt_ulp_context	*ulp_ctx)
 	return ulp_ctx->cfg_data->flow_db;
 }
 
+/* Function to get the tunnel cache table info from the ulp context. */
+struct bnxt_tun_cache_entry *
+bnxt_ulp_cntxt_ptr2_tun_tbl_get(struct bnxt_ulp_context *ulp_ctx)
+{
+	if (!ulp_ctx || !ulp_ctx->cfg_data)
+		return NULL;
+
+	return ulp_ctx->cfg_data->tun_tbl;
+}
+
 /* Function to get the ulp context from eth device. */
 struct bnxt_ulp_context	*
 bnxt_ulp_eth_dev_ptr2_cntxt_get(struct rte_eth_dev	*dev)
 {
-	struct bnxt	*bp;
+	struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+
+	if (BNXT_ETH_DEV_IS_REPRESENTOR(dev)) {
+		struct bnxt_representor *vfr = dev->data->dev_private;
+
+		bp = vfr->parent_dev->data->dev_private;
+	}
 
-	bp = (struct bnxt *)dev->data->dev_private;
 	if (!bp) {
 		BNXT_TF_DBG(ERR, "Bnxt private data is not initialized\n");
 		return NULL;
@@ -963,3 +1905,180 @@ bnxt_ulp_cntxt_ptr2_port_db_get(struct bnxt_ulp_context	*ulp_ctx)
 
 	return ulp_ctx->cfg_data->port_db;
 }
+
+/* Function to set the flow counter info into the context */
+int32_t
+bnxt_ulp_cntxt_ptr2_fc_info_set(struct bnxt_ulp_context *ulp_ctx,
+				struct bnxt_ulp_fc_info *ulp_fc_info)
+{
+	if (!ulp_ctx || !ulp_ctx->cfg_data) {
+		BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
+		return -EINVAL;
+	}
+
+	ulp_ctx->cfg_data->fc_info = ulp_fc_info;
+
+	return 0;
+}
+
+/* Function to retrieve the flow counter info from the context. */
+struct bnxt_ulp_fc_info *
+bnxt_ulp_cntxt_ptr2_fc_info_get(struct bnxt_ulp_context *ulp_ctx)
+{
+	if (!ulp_ctx || !ulp_ctx->cfg_data)
+		return NULL;
+
+	return ulp_ctx->cfg_data->fc_info;
+}
+
+/* Function to get the ulp flags from the ulp context. */
+int32_t
+bnxt_ulp_cntxt_ptr2_ulp_flags_get(struct bnxt_ulp_context *ulp_ctx,
+				  uint32_t *flags)
+{
+	if (!ulp_ctx || !ulp_ctx->cfg_data)
+		return -1;
+
+	*flags =  ulp_ctx->cfg_data->ulp_flags;
+	return 0;
+}
+
+/* Function to get the ulp vfr info from the ulp context. */
+struct bnxt_ulp_vfr_rule_info*
+bnxt_ulp_cntxt_ptr2_ulp_vfr_info_get(struct bnxt_ulp_context *ulp_ctx,
+				     uint32_t port_id)
+{
+	if (!ulp_ctx || !ulp_ctx->cfg_data || port_id >= RTE_MAX_ETHPORTS)
+		return NULL;
+
+	return &ulp_ctx->cfg_data->vfr_rule_info[port_id];
+}
+
+/* Function to acquire the flow database lock from the ulp context. */
+int32_t
+bnxt_ulp_cntxt_acquire_fdb_lock(struct bnxt_ulp_context	*ulp_ctx)
+{
+	if (!ulp_ctx || !ulp_ctx->cfg_data)
+		return -1;
+
+	if (pthread_mutex_lock(&ulp_ctx->cfg_data->flow_db_lock)) {
+		BNXT_TF_DBG(ERR, "unable to acquire fdb lock\n");
+		return -1;
+	}
+	return 0;
+}
+
+/* Function to release the flow database lock from the ulp context. */
+void
+bnxt_ulp_cntxt_release_fdb_lock(struct bnxt_ulp_context	*ulp_ctx)
+{
+	if (!ulp_ctx || !ulp_ctx->cfg_data)
+		return;
+
+	pthread_mutex_unlock(&ulp_ctx->cfg_data->flow_db_lock);
+}
+
+/* Function to set the ha info into the context */
+int32_t
+bnxt_ulp_cntxt_ptr2_ha_info_set(struct bnxt_ulp_context *ulp_ctx,
+				struct bnxt_ulp_ha_mgr_info *ulp_ha_info)
+{
+	if (ulp_ctx == NULL || ulp_ctx->cfg_data == NULL) {
+		BNXT_TF_DBG(ERR, "Invalid ulp context data\n");
+		return -EINVAL;
+	}
+	ulp_ctx->cfg_data->ha_info = ulp_ha_info;
+	return 0;
+}
+
+/* Function to retrieve the ha info from the context. */
+struct bnxt_ulp_ha_mgr_info *
+bnxt_ulp_cntxt_ptr2_ha_info_get(struct bnxt_ulp_context *ulp_ctx)
+{
+	if (ulp_ctx == NULL || ulp_ctx->cfg_data == NULL)
+		return NULL;
+	return ulp_ctx->cfg_data->ha_info;
+}
+
+bool
+bnxt_ulp_cntxt_ha_enabled(struct bnxt_ulp_context *ulp_ctx)
+{
+	if (ulp_ctx == NULL || ulp_ctx->cfg_data == NULL)
+		return false;
+	return !!ULP_HIGH_AVAIL_IS_ENABLED(ulp_ctx->cfg_data->ulp_flags);
+}
+
+static int32_t
+bnxt_ulp_cntxt_list_init(void)
+{
+	/* Create the cntxt spin lock only once*/
+	if (!bnxt_ulp_ctxt_lock_created)
+		rte_spinlock_init(&bnxt_ulp_ctxt_lock);
+	bnxt_ulp_ctxt_lock_created = 1;
+	return 0;
+}
+
+static int32_t
+bnxt_ulp_cntxt_list_add(struct bnxt_ulp_context *ulp_ctx)
+{
+	struct ulp_context_list_entry	*entry;
+
+	entry = rte_zmalloc(NULL, sizeof(struct ulp_context_list_entry), 0);
+	if (entry == NULL) {
+		BNXT_TF_DBG(ERR, "unable to allocate memory\n");
+		return -ENOMEM;
+	}
+
+	rte_spinlock_lock(&bnxt_ulp_ctxt_lock);
+	entry->ulp_ctx = ulp_ctx;
+	TAILQ_INSERT_TAIL(&ulp_cntx_list, entry, next);
+	rte_spinlock_unlock(&bnxt_ulp_ctxt_lock);
+	return 0;
+}
+
+static void
+bnxt_ulp_cntxt_list_del(struct bnxt_ulp_context *ulp_ctx)
+{
+	struct ulp_context_list_entry	*entry, *temp;
+
+	rte_spinlock_lock(&bnxt_ulp_ctxt_lock);
+	RTE_TAILQ_FOREACH_SAFE(entry, &ulp_cntx_list, next, temp) {
+		if (entry->ulp_ctx == ulp_ctx) {
+			TAILQ_REMOVE(&ulp_cntx_list, entry, next);
+			rte_free(entry);
+			break;
+		}
+	}
+	rte_spinlock_unlock(&bnxt_ulp_ctxt_lock);
+}
+
+struct bnxt_ulp_context *
+bnxt_ulp_cntxt_entry_acquire(void *arg)
+{
+	struct ulp_context_list_entry	*entry;
+
+	/* take a lock and get the first ulp context available */
+	if (rte_spinlock_trylock(&bnxt_ulp_ctxt_lock)) {
+		TAILQ_FOREACH(entry, &ulp_cntx_list, next)
+			if (entry->ulp_ctx->cfg_data == arg)
+				return entry->ulp_ctx;
+		rte_spinlock_unlock(&bnxt_ulp_ctxt_lock);
+	}
+	return NULL;
+}
+
+void
+bnxt_ulp_cntxt_entry_release(void)
+{
+	rte_spinlock_unlock(&bnxt_ulp_ctxt_lock);
+}
+
+/* Function to get the app tunnel details from the ulp context. */
+struct bnxt_flow_app_tun_ent *
+bnxt_ulp_cntxt_ptr2_app_tun_list_get(struct bnxt_ulp_context *ulp)
+{
+	if (!ulp || !ulp->cfg_data)
+		return NULL;
+
+	return ulp->cfg_data->app_tun;
+}