[dpdk-dev] [PATCH 24/33] net/bnxt: add support for rte flow item parsing

[Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>]

From: Kishore Padmanabha <kishore.padmanabha@broadcom.com>

1. Registers a callback handler for each rte_flow_item type, if it
   is supported
2. Iterates through each rte_flow_item till RTE_FLOW_ITEM_TYPE_END
3. Invokes the header call back handler
4. Each header call back handler will populate the respective fields
   in hdr_field & hdr_bitmap

Signed-off-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Reviewed-by: Lance Richardson <lance.richardson@broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/Makefile                     |   1 +
 drivers/net/bnxt/tf_ulp/ulp_rte_parser.c      | 767 ++++++++++++++++++++++++++
 drivers/net/bnxt/tf_ulp/ulp_rte_parser.h      | 120 ++++
 drivers/net/bnxt/tf_ulp/ulp_template_db.c     | 197 +++++++
 drivers/net/bnxt/tf_ulp/ulp_template_db.h     |   7 +
 drivers/net/bnxt/tf_ulp/ulp_template_struct.h |  26 +
 6 files changed, 1118 insertions(+)
 create mode 100644 drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
 create mode 100644 drivers/net/bnxt/tf_ulp/ulp_rte_parser.h

diff --git a/drivers/net/bnxt/Makefile b/drivers/net/bnxt/Makefile
index 9776987..29d45e7 100644
--- a/drivers/net/bnxt/Makefile
+++ b/drivers/net/bnxt/Makefile
@@ -64,6 +64,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_BNXT_TRUFLOW) += tf_ulp/ulp_template_db.c
 SRCS-$(CONFIG_RTE_LIBRTE_BNXT_TRUFLOW) += tf_ulp/ulp_utils.c
 SRCS-$(CONFIG_RTE_LIBRTE_BNXT_TRUFLOW) += tf_ulp/ulp_mapper.c
 SRCS-$(CONFIG_RTE_LIBRTE_BNXT_TRUFLOW) += tf_ulp/ulp_matcher.c
+SRCS-$(CONFIG_RTE_LIBRTE_BNXT_TRUFLOW) += tf_ulp/ulp_rte_parser.c
 #
 # Export include files
 #
diff --git a/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
new file mode 100644
index 0000000..3ffdcbd
--- /dev/null
+++ b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
@@ -0,0 +1,767 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2020 Broadcom
+ * All rights reserved.
+ */
+
+#include "bnxt.h"
+#include "ulp_template_db.h"
+#include "ulp_template_struct.h"
+#include "bnxt_tf_common.h"
+#include "ulp_rte_parser.h"
+#include "ulp_utils.h"
+#include "tfp.h"
+
+/* Inline Func to read integer that is stored in big endian format */
+static inline void ulp_util_field_int_read(uint8_t *buffer,
+					   uint32_t *val)
+{
+	uint32_t temp_val;
+
+	memcpy(&temp_val, buffer, sizeof(uint32_t));
+	*val = rte_be_to_cpu_32(temp_val);
+}
+
+/* Inline Func to write integer that is stored in big endian format */
+static inline void ulp_util_field_int_write(uint8_t *buffer,
+					    uint32_t val)
+{
+	uint32_t temp_val = rte_cpu_to_be_32(val);
+
+	memcpy(buffer, &temp_val, sizeof(uint32_t));
+}
+
+/*
+ * Function to handle the parsing of RTE Flows and placing
+ * the RTE flow items into the ulp structures.
+ */
+int32_t
+bnxt_ulp_rte_parser_hdr_parse(const struct rte_flow_item pattern[],
+			      struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			      struct ulp_rte_hdr_field *hdr_field)
+{
+	const struct rte_flow_item *item = pattern;
+	uint32_t field_idx = BNXT_ULP_HDR_FIELD_LAST;
+	uint32_t vlan_idx = 0;
+	struct bnxt_ulp_rte_hdr_info *hdr_info;
+
+	/* Parse all the items in the pattern */
+	while (item && item->type != RTE_FLOW_ITEM_TYPE_END) {
+		/* get the header information from the flow_hdr_info table */
+		hdr_info = &ulp_hdr_info[item->type];
+		if (hdr_info->hdr_type ==
+		    BNXT_ULP_HDR_TYPE_NOT_SUPPORTED) {
+			BNXT_TF_DBG(ERR,
+				    "Truflow parser does not support type %d\n",
+				    item->type);
+			return BNXT_TF_RC_PARSE_ERR;
+		} else if (hdr_info->hdr_type ==
+			   BNXT_ULP_HDR_TYPE_SUPPORTED) {
+			/* call the registered callback handler */
+			if (hdr_info->proto_hdr_func) {
+				if (hdr_info->proto_hdr_func(item,
+							     hdr_bitmap,
+							     hdr_field,
+							     &field_idx,
+							     &vlan_idx) !=
+				    BNXT_TF_RC_SUCCESS) {
+					return BNXT_TF_RC_ERROR;
+				}
+			}
+		}
+		item++;
+	}
+	return BNXT_TF_RC_SUCCESS;
+}
+
+/* Function to handle the parsing of RTE Flow item PF Header. */
+static int32_t
+ulp_rte_parser_svif_set(struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			struct ulp_rte_hdr_field *hdr_field,
+			enum rte_flow_item_type proto,
+			uint32_t svif,
+			uint32_t mask)
+{
+	if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_SVIF)) {
+		BNXT_TF_DBG(ERR,
+			    "SVIF already set,"
+			    " multiple sources not supported\n");
+		return BNXT_TF_RC_ERROR;
+	}
+
+	/* TBD: Check for any mapping errors for svif */
+	/* Update the hdr_bitmap with BNXT_ULP_HDR_PROTO_SVIF. */
+	ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_SVIF);
+
+	if (proto != RTE_FLOW_ITEM_TYPE_PF) {
+		memcpy(hdr_field[BNXT_ULP_HDR_FIELD_SVIF_INDEX].spec,
+		       &svif, sizeof(svif));
+		memcpy(hdr_field[BNXT_ULP_HDR_FIELD_SVIF_INDEX].mask,
+		       &mask, sizeof(mask));
+		hdr_field[BNXT_ULP_HDR_FIELD_SVIF_INDEX].size = sizeof(svif);
+	}
+
+	return BNXT_TF_RC_SUCCESS;
+}
+
+/* Function to handle the parsing of RTE Flow item PF Header. */
+int32_t
+ulp_rte_pf_hdr_handler(const struct rte_flow_item *item,
+		       struct ulp_rte_hdr_bitmap *hdr_bitmap,
+		       struct ulp_rte_hdr_field *hdr_field,
+		       uint32_t *field_idx __rte_unused,
+		       uint32_t *vlan_idx __rte_unused)
+{
+	return ulp_rte_parser_svif_set(hdr_bitmap, hdr_field,
+				       item->type, 0, 0);
+}
+
+/* Function to handle the parsing of RTE Flow item VF Header. */
+int32_t
+ulp_rte_vf_hdr_handler(const struct rte_flow_item *item,
+		       struct ulp_rte_hdr_bitmap *hdr_bitmap,
+		       struct ulp_rte_hdr_field	 *hdr_field,
+		       uint32_t *field_idx __rte_unused,
+		       uint32_t *vlan_idx __rte_unused)
+{
+	const struct rte_flow_item_vf *vf_spec, *vf_mask;
+	uint32_t svif = 0, mask = 0;
+
+	vf_spec = item->spec;
+	vf_mask = item->mask;
+
+	/*
+	 * Copy the rte_flow_item for eth into hdr_field using ethernet
+	 * header fields.
+	 */
+	if (vf_spec)
+		svif = vf_spec->id;
+	if (vf_mask)
+		mask = vf_mask->id;
+
+	return ulp_rte_parser_svif_set(hdr_bitmap, hdr_field,
+				       item->type, svif, mask);
+}
+
+/* Function to handle the parsing of RTE Flow item port id  Header. */
+int32_t
+ulp_rte_port_id_hdr_handler(const struct rte_flow_item *item,
+			    struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			    struct ulp_rte_hdr_field *hdr_field,
+			    uint32_t *field_idx __rte_unused,
+			    uint32_t *vlan_idx __rte_unused)
+{
+	const struct rte_flow_item_port_id *port_spec, *port_mask;
+	uint32_t svif = 0, mask = 0;
+
+	port_spec = item->spec;
+	port_mask = item->mask;
+
+	/*
+	 * Copy the rte_flow_item for Port into hdr_field using port id
+	 * header fields.
+	 */
+	if (port_spec)
+		svif = port_spec->id;
+	if (port_mask)
+		mask = port_mask->id;
+
+	return ulp_rte_parser_svif_set(hdr_bitmap, hdr_field,
+				       item->type, svif, mask);
+}
+
+/* Function to handle the parsing of RTE Flow item phy port Header. */
+int32_t
+ulp_rte_phy_port_hdr_handler(const struct rte_flow_item *item,
+			     struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			     struct ulp_rte_hdr_field *hdr_field,
+			     uint32_t *field_idx __rte_unused,
+			     uint32_t *vlan_idx __rte_unused)
+{
+	const struct rte_flow_item_phy_port *port_spec, *port_mask;
+	uint32_t svif = 0, mask = 0;
+
+	port_spec = item->spec;
+	port_mask = item->mask;
+
+	/* Copy the rte_flow_item for phy port into hdr_field */
+	if (port_spec)
+		svif = port_spec->index;
+	if (port_mask)
+		mask = port_mask->index;
+
+	return ulp_rte_parser_svif_set(hdr_bitmap, hdr_field,
+				       item->type, svif, mask);
+}
+
+/* Function to handle the parsing of RTE Flow item Ethernet Header. */
+int32_t
+ulp_rte_eth_hdr_handler(const struct rte_flow_item *item,
+			struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			struct ulp_rte_hdr_field *hdr_field,
+			uint32_t *field_idx,
+			uint32_t *vlan_idx)
+{
+	const struct rte_flow_item_eth *eth_spec, *eth_mask;
+	uint32_t idx = *field_idx;
+	uint32_t mdx = *field_idx;
+	uint64_t set_flag = 0;
+
+	eth_spec = item->spec;
+	eth_mask = item->mask;
+
+	/*
+	 * Copy the rte_flow_item for eth into hdr_field using ethernet
+	 * header fields
+	 */
+	if (eth_spec) {
+		hdr_field[idx].size = sizeof(eth_spec->dst.addr_bytes);
+		memcpy(hdr_field[idx++].spec, eth_spec->dst.addr_bytes,
+		       sizeof(eth_spec->dst.addr_bytes));
+		hdr_field[idx].size = sizeof(eth_spec->src.addr_bytes);
+		memcpy(hdr_field[idx++].spec, eth_spec->src.addr_bytes,
+		       sizeof(eth_spec->src.addr_bytes));
+		hdr_field[idx].size = sizeof(eth_spec->type);
+		memcpy(hdr_field[idx++].spec, &eth_spec->type,
+		       sizeof(eth_spec->type));
+	} else {
+		idx += BNXT_ULP_PROTO_HDR_ETH_NUM;
+	}
+
+	if (eth_mask) {
+		memcpy(hdr_field[mdx++].mask, eth_mask->dst.addr_bytes,
+		       sizeof(eth_mask->dst.addr_bytes));
+		memcpy(hdr_field[mdx++].mask, eth_mask->src.addr_bytes,
+		       sizeof(eth_mask->src.addr_bytes));
+		memcpy(hdr_field[mdx++].mask, &eth_mask->type,
+		       sizeof(eth_mask->type));
+	}
+	/* Add number of vlan header elements */
+	*field_idx = idx + BNXT_ULP_PROTO_HDR_VLAN_NUM;
+	*vlan_idx = idx;
+
+	/* Update the hdr_bitmap with BNXT_ULP_HDR_PROTO_I_ETH */
+	set_flag = ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_ETH);
+	if (set_flag)
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_ETH);
+	else
+		ULP_BITMAP_RESET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_ETH);
+
+	/* update the hdr_bitmap with BNXT_ULP_HDR_PROTO_O_ETH */
+	ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_ETH);
+
+	return BNXT_TF_RC_SUCCESS;
+}
+
+/* Function to handle the parsing of RTE Flow item Vlan Header. */
+int32_t
+ulp_rte_vlan_hdr_handler(const struct rte_flow_item *item,
+			 struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			 struct ulp_rte_hdr_field *hdr_field,
+			 uint32_t *field_idx __rte_unused,
+			 uint32_t *vlan_idx)
+{
+	const struct rte_flow_item_vlan *vlan_spec, *vlan_mask;
+	uint32_t idx = *vlan_idx;
+	uint32_t mdx = *vlan_idx;
+	uint16_t vlan_tag, priority;
+	uint32_t outer_vtag_num = 0, inner_vtag_num = 0;
+	uint8_t *outer_tag_buffer;
+	uint8_t *inner_tag_buffer;
+
+	vlan_spec = item->spec;
+	vlan_mask = item->mask;
+	outer_tag_buffer = hdr_field[BNXT_ULP_HDR_FIELD_O_VTAG_NUM].spec;
+	inner_tag_buffer = hdr_field[BNXT_ULP_HDR_FIELD_I_VTAG_NUM].spec;
+
+	/*
+	 * Copy the rte_flow_item for vlan into hdr_field using Vlan
+	 * header fields
+	 */
+	if (vlan_spec) {
+		vlan_tag = ntohs(vlan_spec->tci);
+		priority = htons(vlan_tag >> 13);
+		vlan_tag &= 0xfff;
+		vlan_tag = htons(vlan_tag);
+
+		hdr_field[idx].size = sizeof(priority);
+		memcpy(hdr_field[idx++].spec, &priority, sizeof(priority));
+		hdr_field[idx].size = sizeof(vlan_tag);
+		memcpy(hdr_field[idx++].spec, &vlan_tag, sizeof(vlan_tag));
+		hdr_field[idx].size = sizeof(vlan_spec->inner_type);
+		memcpy(hdr_field[idx++].spec, &vlan_spec->inner_type,
+		       sizeof(vlan_spec->inner_type));
+	} else {
+		idx += BNXT_ULP_PROTO_HDR_S_VLAN_NUM;
+	}
+
+	if (vlan_mask) {
+		vlan_tag = ntohs(vlan_mask->tci);
+		priority = htons(vlan_tag >> 13);
+		vlan_tag &= 0xfff;
+		vlan_tag = htons(vlan_tag);
+
+		memcpy(hdr_field[mdx++].mask, &priority, sizeof(priority));
+		memcpy(hdr_field[mdx++].mask, &vlan_tag, sizeof(vlan_tag));
+		memcpy(hdr_field[mdx++].mask, &vlan_mask->inner_type,
+		       sizeof(vlan_mask->inner_type));
+	}
+	/* Set the vlan index to new incremented value */
+	*vlan_idx = idx;
+
+	/* Get the outer tag and inner tag counts */
+	ulp_util_field_int_read(outer_tag_buffer, &outer_vtag_num);
+	ulp_util_field_int_read(inner_tag_buffer, &inner_vtag_num);
+
+	/* Update the hdr_bitmap of the vlans */
+	if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_ETH) &&
+	    !ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_OO_VLAN)) {
+		/* Set the outer vlan bit and update the vlan tag num */
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_OO_VLAN);
+		outer_vtag_num++;
+		ulp_util_field_int_write(outer_tag_buffer, outer_vtag_num);
+		hdr_field[BNXT_ULP_HDR_FIELD_O_VTAG_NUM].size =
+							sizeof(uint32_t);
+	} else if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_ETH) &&
+		   ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				    BNXT_ULP_HDR_BIT_OO_VLAN) &&
+		   !ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				     BNXT_ULP_HDR_BIT_OI_VLAN)) {
+		/* Set the outer vlan bit and update the vlan tag num */
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_OI_VLAN);
+		outer_vtag_num++;
+		ulp_util_field_int_write(outer_tag_buffer, outer_vtag_num);
+		hdr_field[BNXT_ULP_HDR_FIELD_O_VTAG_NUM].size =
+							    sizeof(uint32_t);
+	} else if (ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				    BNXT_ULP_HDR_BIT_O_ETH) &&
+		   ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				    BNXT_ULP_HDR_BIT_OO_VLAN) &&
+		   ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				    BNXT_ULP_HDR_BIT_OI_VLAN) &&
+		   ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				    BNXT_ULP_HDR_BIT_I_ETH) &&
+		   !ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				     BNXT_ULP_HDR_BIT_IO_VLAN)) {
+		/* Set the inner vlan bit and update the vlan tag num */
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_IO_VLAN);
+		inner_vtag_num++;
+		ulp_util_field_int_write(inner_tag_buffer, inner_vtag_num);
+		hdr_field[BNXT_ULP_HDR_FIELD_I_VTAG_NUM].size =
+							    sizeof(uint32_t);
+	} else if (ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				    BNXT_ULP_HDR_BIT_O_ETH) &&
+		   ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				    BNXT_ULP_HDR_BIT_OO_VLAN) &&
+		   ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				    BNXT_ULP_HDR_BIT_OI_VLAN) &&
+		   ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				    BNXT_ULP_HDR_BIT_I_ETH) &&
+		   ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				    BNXT_ULP_HDR_BIT_IO_VLAN) &&
+		   !ULP_BITMAP_ISSET(hdr_bitmap->bits,
+				     BNXT_ULP_HDR_BIT_II_VLAN)) {
+		/* Set the inner vlan bit and update the vlan tag num */
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_II_VLAN);
+		inner_vtag_num++;
+		ulp_util_field_int_write(inner_tag_buffer, inner_vtag_num);
+		hdr_field[BNXT_ULP_HDR_FIELD_I_VTAG_NUM].size =
+							    sizeof(uint32_t);
+	} else {
+		BNXT_TF_DBG(ERR, "Error Parsing:Vlan hdr found withtout eth\n");
+		return BNXT_TF_RC_ERROR;
+	}
+	return BNXT_TF_RC_SUCCESS;
+}
+
+/* Function to handle the parsing of RTE Flow item IPV4 Header. */
+int32_t
+ulp_rte_ipv4_hdr_handler(const struct rte_flow_item *item,
+			 struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			 struct ulp_rte_hdr_field *hdr_field,
+			 uint32_t *field_idx,
+			 uint32_t *vlan_idx __rte_unused)
+{
+	const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
+	uint32_t idx = *field_idx;
+	uint32_t mdx = *field_idx;
+
+	ipv4_spec = item->spec;
+	ipv4_mask = item->mask;
+
+	if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_L3)) {
+		BNXT_TF_DBG(ERR, "Parse Error:Third L3 header not supported\n");
+		return BNXT_TF_RC_ERROR;
+	}
+
+	/*
+	 * Copy the rte_flow_item for ipv4 into hdr_field using ipv4
+	 * header fields
+	 */
+	if (ipv4_spec) {
+		hdr_field[idx].size = sizeof(ipv4_spec->hdr.version_ihl);
+		memcpy(hdr_field[idx++].spec, &ipv4_spec->hdr.version_ihl,
+		       sizeof(ipv4_spec->hdr.version_ihl));
+		hdr_field[idx].size = sizeof(ipv4_spec->hdr.type_of_service);
+		memcpy(hdr_field[idx++].spec, &ipv4_spec->hdr.type_of_service,
+		       sizeof(ipv4_spec->hdr.type_of_service));
+		hdr_field[idx].size = sizeof(ipv4_spec->hdr.total_length);
+		memcpy(hdr_field[idx++].spec, &ipv4_spec->hdr.total_length,
+		       sizeof(ipv4_spec->hdr.total_length));
+		hdr_field[idx].size = sizeof(ipv4_spec->hdr.packet_id);
+		memcpy(hdr_field[idx++].spec, &ipv4_spec->hdr.packet_id,
+		       sizeof(ipv4_spec->hdr.packet_id));
+		hdr_field[idx].size = sizeof(ipv4_spec->hdr.fragment_offset);
+		memcpy(hdr_field[idx++].spec, &ipv4_spec->hdr.fragment_offset,
+		       sizeof(ipv4_spec->hdr.fragment_offset));
+		hdr_field[idx].size = sizeof(ipv4_spec->hdr.time_to_live);
+		memcpy(hdr_field[idx++].spec, &ipv4_spec->hdr.time_to_live,
+		       sizeof(ipv4_spec->hdr.time_to_live));
+		hdr_field[idx].size = sizeof(ipv4_spec->hdr.next_proto_id);
+		memcpy(hdr_field[idx++].spec, &ipv4_spec->hdr.next_proto_id,
+		       sizeof(ipv4_spec->hdr.next_proto_id));
+		hdr_field[idx].size = sizeof(ipv4_spec->hdr.hdr_checksum);
+		memcpy(hdr_field[idx++].spec, &ipv4_spec->hdr.hdr_checksum,
+		       sizeof(ipv4_spec->hdr.hdr_checksum));
+		hdr_field[idx].size = sizeof(ipv4_spec->hdr.src_addr);
+		memcpy(hdr_field[idx++].spec, &ipv4_spec->hdr.src_addr,
+		       sizeof(ipv4_spec->hdr.src_addr));
+		hdr_field[idx].size = sizeof(ipv4_spec->hdr.dst_addr);
+		memcpy(hdr_field[idx++].spec, &ipv4_spec->hdr.dst_addr,
+		       sizeof(ipv4_spec->hdr.dst_addr));
+	} else {
+		idx += BNXT_ULP_PROTO_HDR_IPV4_NUM;
+	}
+
+	if (ipv4_mask) {
+		memcpy(hdr_field[mdx++].mask, &ipv4_mask->hdr.version_ihl,
+		       sizeof(ipv4_mask->hdr.version_ihl));
+		memcpy(hdr_field[mdx++].mask, &ipv4_mask->hdr.type_of_service,
+		       sizeof(ipv4_mask->hdr.type_of_service));
+		memcpy(hdr_field[mdx++].mask, &ipv4_mask->hdr.total_length,
+		       sizeof(ipv4_mask->hdr.total_length));
+		memcpy(hdr_field[mdx++].mask, &ipv4_mask->hdr.packet_id,
+		       sizeof(ipv4_mask->hdr.packet_id));
+		memcpy(hdr_field[mdx++].mask, &ipv4_mask->hdr.fragment_offset,
+		       sizeof(ipv4_mask->hdr.fragment_offset));
+		memcpy(hdr_field[mdx++].mask, &ipv4_mask->hdr.time_to_live,
+		       sizeof(ipv4_mask->hdr.time_to_live));
+		memcpy(hdr_field[mdx++].mask, &ipv4_mask->hdr.next_proto_id,
+		       sizeof(ipv4_mask->hdr.next_proto_id));
+		memcpy(hdr_field[mdx++].mask, &ipv4_mask->hdr.hdr_checksum,
+		       sizeof(ipv4_mask->hdr.hdr_checksum));
+		memcpy(hdr_field[mdx++].mask, &ipv4_mask->hdr.src_addr,
+		       sizeof(ipv4_mask->hdr.src_addr));
+		memcpy(hdr_field[mdx++].mask, &ipv4_mask->hdr.dst_addr,
+		       sizeof(ipv4_mask->hdr.dst_addr));
+	}
+	*field_idx = idx; /* Number of ipv4 header elements */
+
+	/* Set the ipv4 header bitmap and computed l3 header bitmaps */
+	if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_L3) ||
+	    ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV4) ||
+	    ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV6)) {
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_IPV4);
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_L3);
+	} else {
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV4);
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_L3);
+	}
+	return BNXT_TF_RC_SUCCESS;
+}
+
+/* Function to handle the parsing of RTE Flow item IPV6 Header */
+int32_t
+ulp_rte_ipv6_hdr_handler(const struct rte_flow_item *item,
+			 struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			 struct ulp_rte_hdr_field *hdr_field,
+			 uint32_t *field_idx,
+			 uint32_t *vlan_idx __rte_unused)
+{
+	const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
+	uint32_t idx = *field_idx;
+	uint32_t mdx = *field_idx;
+
+	ipv6_spec = item->spec;
+	ipv6_mask = item->mask;
+
+	if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_L3)) {
+		BNXT_TF_DBG(ERR, "Parse Error: 3'rd L3 header not supported\n");
+		return BNXT_TF_RC_ERROR;
+	}
+
+	/*
+	 * Copy the rte_flow_item for ipv4 into hdr_field using ipv4
+	 * header fields
+	 */
+	if (ipv6_spec) {
+		hdr_field[idx].size = sizeof(ipv6_spec->hdr.vtc_flow);
+		memcpy(hdr_field[idx++].spec, &ipv6_spec->hdr.vtc_flow,
+		       sizeof(ipv6_spec->hdr.vtc_flow));
+		hdr_field[idx].size = sizeof(ipv6_spec->hdr.payload_len);
+		memcpy(hdr_field[idx++].spec, &ipv6_spec->hdr.payload_len,
+		       sizeof(ipv6_spec->hdr.payload_len));
+		hdr_field[idx].size = sizeof(ipv6_spec->hdr.proto);
+		memcpy(hdr_field[idx++].spec, &ipv6_spec->hdr.proto,
+		       sizeof(ipv6_spec->hdr.proto));
+		hdr_field[idx].size = sizeof(ipv6_spec->hdr.hop_limits);
+		memcpy(hdr_field[idx++].spec, &ipv6_spec->hdr.hop_limits,
+		       sizeof(ipv6_spec->hdr.hop_limits));
+		hdr_field[idx].size = sizeof(ipv6_spec->hdr.src_addr);
+		memcpy(hdr_field[idx++].spec, &ipv6_spec->hdr.src_addr,
+		       sizeof(ipv6_spec->hdr.src_addr));
+		hdr_field[idx].size = sizeof(ipv6_spec->hdr.dst_addr);
+		memcpy(hdr_field[idx++].spec, &ipv6_spec->hdr.dst_addr,
+		       sizeof(ipv6_spec->hdr.dst_addr));
+	} else {
+		idx += BNXT_ULP_PROTO_HDR_IPV6_NUM;
+	}
+
+	if (ipv6_mask) {
+		memcpy(hdr_field[mdx++].mask, &ipv6_mask->hdr.vtc_flow,
+		       sizeof(ipv6_mask->hdr.vtc_flow));
+		memcpy(hdr_field[mdx++].mask, &ipv6_mask->hdr.payload_len,
+		       sizeof(ipv6_mask->hdr.payload_len));
+		memcpy(hdr_field[mdx++].mask, &ipv6_mask->hdr.proto,
+		       sizeof(ipv6_mask->hdr.proto));
+		memcpy(hdr_field[mdx++].mask, &ipv6_mask->hdr.hop_limits,
+		       sizeof(ipv6_mask->hdr.hop_limits));
+		memcpy(hdr_field[mdx++].mask, &ipv6_mask->hdr.src_addr,
+		       sizeof(ipv6_mask->hdr.src_addr));
+		memcpy(hdr_field[mdx++].mask, &ipv6_mask->hdr.dst_addr,
+		       sizeof(ipv6_mask->hdr.dst_addr));
+	}
+	*field_idx = idx; /* add number of ipv6 header elements */
+
+	/* Set the ipv6 header bitmap and computed l3 header bitmaps */
+	if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_L3) ||
+	    ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV4) ||
+	    ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV6)) {
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_IPV6);
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_L3);
+	} else {
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_IPV6);
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_L3);
+	}
+	return BNXT_TF_RC_SUCCESS;
+}
+
+/* Function to handle the parsing of RTE Flow item UDP Header. */
+int32_t
+ulp_rte_udp_hdr_handler(const struct rte_flow_item *item,
+			struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			struct ulp_rte_hdr_field *hdr_field,
+			uint32_t *field_idx,
+			uint32_t *vlan_idx __rte_unused)
+{
+	const struct rte_flow_item_udp *udp_spec, *udp_mask;
+	uint32_t idx = *field_idx;
+	uint32_t mdx = *field_idx;
+
+	udp_spec = item->spec;
+	udp_mask = item->mask;
+
+	if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_L4)) {
+		BNXT_TF_DBG(ERR, "Parse Err:Third L4 header not supported\n");
+		return BNXT_TF_RC_ERROR;
+	}
+
+	/*
+	 * Copy the rte_flow_item for ipv4 into hdr_field using ipv4
+	 * header fields
+	 */
+	if (udp_spec) {
+		hdr_field[idx].size = sizeof(udp_spec->hdr.src_port);
+		memcpy(hdr_field[idx++].spec, &udp_spec->hdr.src_port,
+		       sizeof(udp_spec->hdr.src_port));
+		hdr_field[idx].size = sizeof(udp_spec->hdr.dst_port);
+		memcpy(hdr_field[idx++].spec, &udp_spec->hdr.dst_port,
+		       sizeof(udp_spec->hdr.dst_port));
+		hdr_field[idx].size = sizeof(udp_spec->hdr.dgram_len);
+		memcpy(hdr_field[idx++].spec, &udp_spec->hdr.dgram_len,
+		       sizeof(udp_spec->hdr.dgram_len));
+		hdr_field[idx].size = sizeof(udp_spec->hdr.dgram_cksum);
+		memcpy(hdr_field[idx++].spec, &udp_spec->hdr.dgram_cksum,
+		       sizeof(udp_spec->hdr.dgram_cksum));
+	} else {
+		idx += BNXT_ULP_PROTO_HDR_UDP_NUM;
+	}
+
+	if (udp_mask) {
+		memcpy(hdr_field[mdx++].mask, &udp_mask->hdr.src_port,
+		       sizeof(udp_mask->hdr.src_port));
+		memcpy(hdr_field[mdx++].mask, &udp_mask->hdr.dst_port,
+		       sizeof(udp_mask->hdr.dst_port));
+		memcpy(hdr_field[mdx++].mask, &udp_mask->hdr.dgram_len,
+		       sizeof(udp_mask->hdr.dgram_len));
+		memcpy(hdr_field[mdx++].mask, &udp_mask->hdr.dgram_cksum,
+		       sizeof(udp_mask->hdr.dgram_cksum));
+	}
+	*field_idx = idx; /* Add number of UDP header elements */
+
+	/* Set the udp header bitmap and computed l4 header bitmaps */
+	if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_L4) ||
+	    ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_UDP) ||
+	    ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_TCP)) {
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_UDP);
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_L4);
+	} else {
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_UDP);
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_L4);
+	}
+	return BNXT_TF_RC_SUCCESS;
+}
+
+/* Function to handle the parsing of RTE Flow item TCP Header. */
+int32_t
+ulp_rte_tcp_hdr_handler(const struct rte_flow_item *item,
+			struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			struct ulp_rte_hdr_field *hdr_field,
+			uint32_t *field_idx,
+			uint32_t *vlan_idx __rte_unused)
+{
+	const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
+	uint32_t idx = *field_idx;
+	uint32_t mdx = *field_idx;
+
+	tcp_spec = item->spec;
+	tcp_mask = item->mask;
+
+	if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_L4)) {
+		BNXT_TF_DBG(ERR, "Parse Error:Third L4 header not supported\n");
+		return BNXT_TF_RC_ERROR;
+	}
+
+	/*
+	 * Copy the rte_flow_item for ipv4 into hdr_field using ipv4
+	 * header fields
+	 */
+	if (tcp_spec) {
+		hdr_field[idx].size = sizeof(tcp_spec->hdr.src_port);
+		memcpy(hdr_field[idx++].spec, &tcp_spec->hdr.src_port,
+		       sizeof(tcp_spec->hdr.src_port));
+		hdr_field[idx].size = sizeof(tcp_spec->hdr.dst_port);
+		memcpy(hdr_field[idx++].spec, &tcp_spec->hdr.dst_port,
+		       sizeof(tcp_spec->hdr.dst_port));
+		hdr_field[idx].size = sizeof(tcp_spec->hdr.sent_seq);
+		memcpy(hdr_field[idx++].spec, &tcp_spec->hdr.sent_seq,
+		       sizeof(tcp_spec->hdr.sent_seq));
+		hdr_field[idx].size = sizeof(tcp_spec->hdr.recv_ack);
+		memcpy(hdr_field[idx++].spec, &tcp_spec->hdr.recv_ack,
+		       sizeof(tcp_spec->hdr.recv_ack));
+		hdr_field[idx].size = sizeof(tcp_spec->hdr.data_off);
+		memcpy(hdr_field[idx++].spec, &tcp_spec->hdr.data_off,
+		       sizeof(tcp_spec->hdr.data_off));
+		hdr_field[idx].size = sizeof(tcp_spec->hdr.tcp_flags);
+		memcpy(hdr_field[idx++].spec, &tcp_spec->hdr.tcp_flags,
+		       sizeof(tcp_spec->hdr.tcp_flags));
+		hdr_field[idx].size = sizeof(tcp_spec->hdr.rx_win);
+		memcpy(hdr_field[idx++].spec, &tcp_spec->hdr.rx_win,
+		       sizeof(tcp_spec->hdr.rx_win));
+		hdr_field[idx].size = sizeof(tcp_spec->hdr.cksum);
+		memcpy(hdr_field[idx++].spec, &tcp_spec->hdr.cksum,
+		       sizeof(tcp_spec->hdr.cksum));
+		hdr_field[idx].size = sizeof(tcp_spec->hdr.tcp_urp);
+		memcpy(hdr_field[idx++].spec, &tcp_spec->hdr.tcp_urp,
+		       sizeof(tcp_spec->hdr.tcp_urp));
+	} else {
+		idx += BNXT_ULP_PROTO_HDR_TCP_NUM;
+	}
+
+	if (tcp_mask) {
+		memcpy(hdr_field[mdx++].mask, &tcp_mask->hdr.src_port,
+		       sizeof(tcp_mask->hdr.src_port));
+		memcpy(hdr_field[mdx++].mask, &tcp_mask->hdr.dst_port,
+		       sizeof(tcp_mask->hdr.dst_port));
+		memcpy(hdr_field[mdx++].mask, &tcp_mask->hdr.sent_seq,
+		       sizeof(tcp_mask->hdr.sent_seq));
+		memcpy(hdr_field[mdx++].mask, &tcp_mask->hdr.recv_ack,
+		       sizeof(tcp_mask->hdr.recv_ack));
+		memcpy(hdr_field[mdx++].mask, &tcp_mask->hdr.data_off,
+		       sizeof(tcp_mask->hdr.data_off));
+		memcpy(hdr_field[mdx++].mask, &tcp_mask->hdr.tcp_flags,
+		       sizeof(tcp_mask->hdr.tcp_flags));
+		memcpy(hdr_field[mdx++].mask, &tcp_mask->hdr.rx_win,
+		       sizeof(tcp_mask->hdr.rx_win));
+		memcpy(hdr_field[mdx++].mask, &tcp_mask->hdr.cksum,
+		       sizeof(tcp_mask->hdr.cksum));
+		memcpy(hdr_field[mdx++].mask, &tcp_mask->hdr.tcp_urp,
+		       sizeof(tcp_mask->hdr.tcp_urp));
+	}
+	*field_idx = idx; /* add number of TCP header elements */
+
+	/* Set the udp header bitmap and computed l4 header bitmaps */
+	if (ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_L4) ||
+	    ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_UDP) ||
+	    ULP_BITMAP_ISSET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_TCP)) {
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_TCP);
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_I_L4);
+	} else {
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_TCP);
+		ULP_BITMAP_SET(hdr_bitmap->bits, BNXT_ULP_HDR_BIT_O_L4);
+	}
+	return BNXT_TF_RC_SUCCESS;
+}
+
+/* Function to handle the parsing of RTE Flow item Vxlan Header. */
+int32_t
+ulp_rte_vxlan_hdr_handler(const struct rte_flow_item *item,
+			  struct ulp_rte_hdr_bitmap *hdrbitmap,
+			  struct ulp_rte_hdr_field *hdr_field,
+			  uint32_t *field_idx,
+			  uint32_t *vlan_idx __rte_unused)
+{
+	const struct rte_flow_item_vxlan *vxlan_spec, *vxlan_mask;
+	uint32_t idx = *field_idx;
+	uint32_t mdx = *field_idx;
+
+	vxlan_spec = item->spec;
+	vxlan_mask = item->mask;
+
+	/*
+	 * Copy the rte_flow_item for vxlan into hdr_field using vxlan
+	 * header fields
+	 */
+	if (vxlan_spec) {
+		hdr_field[idx].size = sizeof(vxlan_spec->flags);
+		memcpy(hdr_field[idx++].spec, &vxlan_spec->flags,
+		       sizeof(vxlan_spec->flags));
+		hdr_field[idx].size = sizeof(vxlan_spec->rsvd0);
+		memcpy(hdr_field[idx++].spec, &vxlan_spec->rsvd0,
+		       sizeof(vxlan_spec->rsvd0));
+		hdr_field[idx].size = sizeof(vxlan_spec->vni);
+		memcpy(hdr_field[idx++].spec, &vxlan_spec->vni,
+		       sizeof(vxlan_spec->vni));
+		hdr_field[idx].size = sizeof(vxlan_spec->rsvd1);
+		memcpy(hdr_field[idx++].spec, &vxlan_spec->rsvd1,
+		       sizeof(vxlan_spec->rsvd1));
+	} else {
+		idx += BNXT_ULP_PROTO_HDR_VXLAN_NUM;
+	}
+
+	if (vxlan_mask) {
+		memcpy(hdr_field[mdx++].mask, &vxlan_mask->flags,
+		       sizeof(vxlan_mask->flags));
+		memcpy(hdr_field[mdx++].mask, &vxlan_mask->rsvd0,
+		       sizeof(vxlan_mask->rsvd0));
+		memcpy(hdr_field[mdx++].mask, &vxlan_mask->vni,
+		       sizeof(vxlan_mask->vni));
+		memcpy(hdr_field[mdx++].mask, &vxlan_mask->rsvd1,
+		       sizeof(vxlan_mask->rsvd1));
+	}
+	*field_idx = idx; /* Add number of vxlan header elements */
+
+	/* Update the hdr_bitmap with vxlan */
+	ULP_BITMAP_SET(hdrbitmap->bits, BNXT_ULP_HDR_BIT_T_VXLAN);
+	return BNXT_TF_RC_SUCCESS;
+}
+
+/* Function to handle the parsing of RTE Flow item void Header */
+int32_t
+ulp_rte_void_hdr_handler(const struct rte_flow_item *item __rte_unused,
+			 struct ulp_rte_hdr_bitmap *hdr_bit __rte_unused,
+			 struct ulp_rte_hdr_field *hdr_field __rte_unused,
+			 uint32_t *field_idx __rte_unused,
+			 uint32_t *vlan_idx __rte_unused)
+{
+	return BNXT_TF_RC_SUCCESS;
+}
diff --git a/drivers/net/bnxt/tf_ulp/ulp_rte_parser.h b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.h
new file mode 100644
index 0000000..3a7845d
--- /dev/null
+++ b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.h
@@ -0,0 +1,120 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2020 Broadcom
+ * All rights reserved.
+ */
+
+#ifndef _ULP_RTE_PARSER_H_
+#define _ULP_RTE_PARSER_H_
+
+#include <rte_log.h>
+#include <rte_flow.h>
+#include <rte_flow_driver.h>
+#include "ulp_template_db.h"
+#include "ulp_template_struct.h"
+
+/*
+ * Function to handle the parsing of RTE Flows and placing
+ * the RTE flow items into the ulp structures.
+ */
+int32_t
+bnxt_ulp_rte_parser_hdr_parse(const struct rte_flow_item pattern[],
+			      struct ulp_rte_hdr_bitmap *hdr_bitmap,
+			      struct ulp_rte_hdr_field  *hdr_field);
+
+/* Function to handle the parsing of RTE Flow item PF Header. */
+int32_t
+ulp_rte_pf_hdr_handler(const struct rte_flow_item	*item,
+		       struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+		       struct ulp_rte_hdr_field		*hdr_field,
+		       uint32_t				*field_idx,
+		       uint32_t				*vlan_idx);
+
+/* Function to handle the parsing of RTE Flow item VF Header. */
+int32_t
+ulp_rte_vf_hdr_handler(const struct rte_flow_item	*item,
+		       struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+		       struct ulp_rte_hdr_field		*hdr_field,
+		       uint32_t				*field_idx,
+		       uint32_t				*vlan_idx);
+
+/* Function to handle the parsing of RTE Flow item port id Header. */
+int32_t
+ulp_rte_port_id_hdr_handler(const struct rte_flow_item	*item,
+			    struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+			    struct ulp_rte_hdr_field	*hdr_field,
+			    uint32_t			*field_idx,
+			    uint32_t			*vlan_idx);
+
+/* Function to handle the parsing of RTE Flow item port id Header. */
+int32_t
+ulp_rte_phy_port_hdr_handler(const struct rte_flow_item	*item,
+			     struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+			     struct ulp_rte_hdr_field	*hdr_field,
+			     uint32_t			*field_idx,
+			     uint32_t			*vlan_idx);
+
+/* Function to handle the RTE item Ethernet Header. */
+int32_t
+ulp_rte_eth_hdr_handler(const struct rte_flow_item	*item,
+			struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+			struct ulp_rte_hdr_field	*hdr_field,
+			uint32_t			*field_idx,
+			uint32_t			*vlan_idx);
+
+/* Function to handle the parsing of RTE Flow item Vlan Header. */
+int32_t
+ulp_rte_vlan_hdr_handler(const struct rte_flow_item	*item,
+			 struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+			 struct ulp_rte_hdr_field	*hdr_field,
+			 uint32_t			*field_idx,
+			 uint32_t			*vlan_idx);
+
+/* Function to handle the parsing of RTE Flow item IPV4 Header. */
+int32_t
+ulp_rte_ipv4_hdr_handler(const struct rte_flow_item	*item,
+			 struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+			 struct ulp_rte_hdr_field	*hdr_field,
+			 uint32_t			*field_idx,
+			 uint32_t			*vlan_idx);
+
+/* Function to handle the parsing of RTE Flow item IPV6 Header. */
+int32_t
+ulp_rte_ipv6_hdr_handler(const struct rte_flow_item	*item,
+			 struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+			 struct ulp_rte_hdr_field	*hdr_field,
+			 uint32_t			*field_idx,
+			 uint32_t			*vlan_idx);
+
+/* Function to handle the parsing of RTE Flow item UDP Header. */
+int32_t
+ulp_rte_udp_hdr_handler(const struct rte_flow_item	*item,
+			struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+			struct ulp_rte_hdr_field	*hdr_field,
+			uint32_t			*field_idx,
+			uint32_t			*vlan_idx);
+
+/* Function to handle the parsing of RTE Flow item TCP Header. */
+int32_t
+ulp_rte_tcp_hdr_handler(const struct rte_flow_item	*item,
+			struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+			struct ulp_rte_hdr_field	*hdr_field,
+			uint32_t			*field_idx,
+			uint32_t			*vlan_idx);
+
+/* Function to handle the parsing of RTE Flow item Vxlan Header. */
+int32_t
+ulp_rte_vxlan_hdr_handler(const struct rte_flow_item	*item,
+			  struct ulp_rte_hdr_bitmap	*hdrbitmap,
+			  struct ulp_rte_hdr_field	*hdr_field,
+			  uint32_t			*field_idx,
+			  uint32_t			*vlan_idx);
+
+/* Function to handle the parsing of RTE Flow item void Header. */
+int32_t
+ulp_rte_void_hdr_handler(const struct rte_flow_item	*item,
+			 struct ulp_rte_hdr_bitmap	*hdr_bitmap,
+			 struct ulp_rte_hdr_field	*hdr_field,
+			 uint32_t			*field_idx,
+			 uint32_t			*vlan_idx);
+
+#endif /* _ULP_RTE_PARSER_H_ */
diff --git a/drivers/net/bnxt/tf_ulp/ulp_template_db.c b/drivers/net/bnxt/tf_ulp/ulp_template_db.c
index 5981c74..1d15563 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_template_db.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_template_db.c
@@ -11,6 +11,8 @@
 #include "ulp_template_db.h"
 #include "ulp_template_field_db.h"
 #include "ulp_template_struct.h"
+#include "ulp_rte_parser.h"
+
 uint32_t ulp_act_prop_map_table[] = {
 	[BNXT_ULP_ACT_PROP_IDX_ENCAP_TUN_SZ] =
 		BNXT_ULP_ACT_PROP_SZ_ENCAP_TUN_SZ,
@@ -108,6 +110,201 @@ struct bnxt_ulp_device_params ulp_device_params[] = {
 	}
 };
 
+struct bnxt_ulp_rte_hdr_info ulp_hdr_info[] = {
+	[RTE_FLOW_ITEM_TYPE_END] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_END,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_VOID] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_void_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_INVERT] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_ANY] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_PF] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_pf_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_VF] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_vf_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_PHY_PORT] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_phy_port_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_PORT_ID] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_port_id_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_RAW] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_ETH] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_eth_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_VLAN] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_vlan_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_IPV4] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_ipv4_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_IPV6] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_ipv6_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_ICMP] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_UDP] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_udp_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_TCP] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_tcp_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_SCTP] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_VXLAN] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_SUPPORTED,
+		.proto_hdr_func          = ulp_rte_vxlan_hdr_handler
+	},
+	[RTE_FLOW_ITEM_TYPE_E_TAG] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_NVGRE] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_MPLS] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_GRE] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_FUZZY] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_GTP] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_GTPC] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_GTPU] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_ESP] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_GENEVE] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_VXLAN_GPE] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_ARP_ETH_IPV4] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_IPV6_EXT] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_ICMP6] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_ICMP6_ND_NS] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_ICMP6_ND_NA] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_ICMP6_ND_OPT] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_ICMP6_ND_OPT_SLA_ETH] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_ICMP6_ND_OPT_TLA_ETH] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_MARK] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_META] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_GRE_KEY] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_GTP_PSC] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_PPPOES] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_PPPOED] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_PPPOE_PROTO_ID] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_NSH] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_IGMP] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_AH] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	},
+	[RTE_FLOW_ITEM_TYPE_HIGIG2] = {
+		.hdr_type                = BNXT_ULP_HDR_TYPE_NOT_SUPPORTED,
+		.proto_hdr_func          = NULL
+	}
+};
+
 struct bnxt_ulp_mapper_tbl_list_info ulp_class_tmpl_list[] = {
 	[((0 << BNXT_ULP_LOG2_MAX_NUM_DEV) | BNXT_ULP_DEVICE_ID_WH_PLUS)] = {
 	.device_name = BNXT_ULP_DEVICE_ID_WH_PLUS,
diff --git a/drivers/net/bnxt/tf_ulp/ulp_template_db.h b/drivers/net/bnxt/tf_ulp/ulp_template_db.h
index f4850bf..906b542 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_template_db.h
+++ b/drivers/net/bnxt/tf_ulp/ulp_template_db.h
@@ -115,6 +115,13 @@ enum bnxt_ulp_hdr_field {
 	BNXT_ULP_HDR_FIELD_LAST = 4
 };
 
+enum bnxt_ulp_hdr_type {
+	BNXT_ULP_HDR_TYPE_NOT_SUPPORTED = 0,
+	BNXT_ULP_HDR_TYPE_SUPPORTED = 1,
+	BNXT_ULP_HDR_TYPE_END = 2,
+	BNXT_ULP_HDR_TYPE_LAST = 3
+};
+
 enum bnxt_ulp_mask_opc {
 	BNXT_ULP_MASK_OPC_SET_TO_CONSTANT = 0,
 	BNXT_ULP_MASK_OPC_SET_TO_HDR_FIELD = 1,
diff --git a/drivers/net/bnxt/tf_ulp/ulp_template_struct.h b/drivers/net/bnxt/tf_ulp/ulp_template_struct.h
index 0e811ec..0699634 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_template_struct.h
+++ b/drivers/net/bnxt/tf_ulp/ulp_template_struct.h
@@ -17,6 +17,18 @@
 #include "rte_flow.h"
 #include "tf_core.h"
 
+/* Number of fields for each protocol */
+#define BNXT_ULP_PROTO_HDR_SVIF_NUM	1
+#define BNXT_ULP_PROTO_HDR_ETH_NUM	3
+#define BNXT_ULP_PROTO_HDR_S_VLAN_NUM	3
+#define BNXT_ULP_PROTO_HDR_VLAN_NUM	6
+#define BNXT_ULP_PROTO_HDR_IPV4_NUM	10
+#define BNXT_ULP_PROTO_HDR_IPV6_NUM	6
+#define BNXT_ULP_PROTO_HDR_UDP_NUM	4
+#define BNXT_ULP_PROTO_HDR_TCP_NUM	9
+#define BNXT_ULP_PROTO_HDR_VXLAN_NUM	4
+#define BNXT_ULP_PROTO_HDR_MAX		128
+
 struct ulp_rte_hdr_bitmap {
 	uint64_t	bits;
 };
@@ -29,6 +41,20 @@ struct ulp_rte_hdr_field {
 	uint32_t	size;
 };
 
+/* Flow Parser Header Information Structure */
+struct bnxt_ulp_rte_hdr_info {
+	enum bnxt_ulp_hdr_type					hdr_type;
+	/* Flow Parser Protocol Header Function Prototype */
+	int (*proto_hdr_func)(const struct rte_flow_item	*item_list,
+			      struct ulp_rte_hdr_bitmap		*hdr_bitmap,
+			      struct ulp_rte_hdr_field		*hdr_field,
+			      uint32_t				*field_idx,
+			      uint32_t				*vlan_idx);
+};
+
+/* Flow Parser Header Information Structure Array defined in template source*/
+extern struct bnxt_ulp_rte_hdr_info	ulp_hdr_info[];
+
 struct bnxt_ulp_matcher_field_info {
 	enum bnxt_ulp_fmf_mask	mask_opcode;
 	enum bnxt_ulp_fmf_spec	spec_opcode;
-- 
2.7.4