[v3,1/5] net/iavf: add support for FDIR basic rule

diff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst
index b5962d8..17299ef 100644
--- a/doc/guides/rel_notes/release_20_05.rst
+++ b/doc/guides/rel_notes/release_20_05.rst
@@ -99,6 +99,7 @@  New Features
 
   * Added generic filter support.
   * Added advanced RSS configuration for VFs.
+  * Added advanced iavf with FDIR capability.
 
 
 Removed Items
diff --git a/drivers/net/iavf/Makefile b/drivers/net/iavf/Makefile
index 7b0093a..b2b75d7 100644
--- a/drivers/net/iavf/Makefile
+++ b/drivers/net/iavf/Makefile
@@ -25,6 +25,7 @@  SRCS-$(CONFIG_RTE_LIBRTE_IAVF_PMD) += iavf_vchnl.c
 SRCS-$(CONFIG_RTE_LIBRTE_IAVF_PMD) += iavf_rxtx.c
 SRCS-$(CONFIG_RTE_LIBRTE_IAVF_PMD) += iavf_generic_flow.c
 SRCS-$(CONFIG_RTE_LIBRTE_IAVF_PMD) += iavf_hash.c
+SRCS-$(CONFIG_RTE_LIBRTE_IAVF_PMD) += iavf_fdir.c
 ifeq ($(CONFIG_RTE_ARCH_X86), y)
 SRCS-$(CONFIG_RTE_LIBRTE_IAVF_PMD) += iavf_rxtx_vec_sse.c
 endif
diff --git a/drivers/net/iavf/iavf.h b/drivers/net/iavf/iavf.h
index d813296..2f84a1f 100644
--- a/drivers/net/iavf/iavf.h
+++ b/drivers/net/iavf/iavf.h
@@ -92,6 +92,17 @@  struct iavf_vsi {
 struct iavf_flow_parser_node;
 TAILQ_HEAD(iavf_parser_list, iavf_flow_parser_node);
 
+struct iavf_fdir_conf {
+	struct virtchnl_fdir_add add_fltr;
+	struct virtchnl_fdir_del del_fltr;
+	uint64_t input_set;
+	uint32_t flow_id;
+};
+
+struct iavf_fdir_info {
+	struct iavf_fdir_conf conf;
+};
+
 /* TODO: is that correct to assume the max number to be 16 ?*/
 #define IAVF_MAX_MSIX_VECTORS   16
 
@@ -131,6 +142,8 @@  struct iavf_info {
 	rte_spinlock_t flow_ops_lock;
 	struct iavf_parser_list rss_parser_list;
 	struct iavf_parser_list dist_parser_list;
+
+	struct iavf_fdir_info fdir; /* flow director info */
 };
 
 #define IAVF_MAX_PKT_TYPE 1024
@@ -254,4 +267,8 @@  int iavf_add_del_eth_addr(struct iavf_adapter *adapter,
 int iavf_add_del_vlan(struct iavf_adapter *adapter, uint16_t vlanid, bool add);
 int iavf_add_del_rss_cfg(struct iavf_adapter *adapter,
 			 struct virtchnl_rss_cfg *rss_cfg, bool add);
+int iavf_fdir_add(struct iavf_adapter *adapter, struct iavf_fdir_conf *filter);
+int iavf_fdir_del(struct iavf_adapter *adapter, struct iavf_fdir_conf *filter);
+int iavf_fdir_check(struct iavf_adapter *adapter,
+		struct iavf_fdir_conf *filter);
 #endif /* _IAVF_ETHDEV_H_ */
diff --git a/drivers/net/iavf/iavf_fdir.c b/drivers/net/iavf/iavf_fdir.c
new file mode 100644
index 0000000..f2b10d7
--- /dev/null
+++ b/drivers/net/iavf/iavf_fdir.c
@@ -0,0 +1,749 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2019 Intel Corporation
+ */
+
+#include <sys/queue.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdarg.h>
+
+#include <rte_ether.h>
+#include <rte_ethdev_driver.h>
+#include <rte_malloc.h>
+#include <rte_tailq.h>
+
+#include "iavf.h"
+#include "iavf_generic_flow.h"
+#include "virtchnl.h"
+
+#define IAVF_FDIR_MAX_QREGION_SIZE 128
+
+#define IAVF_FDIR_IPV6_TC_OFFSET 20
+#define IAVF_IPV6_TC_MASK  (0xFF << IAVF_FDIR_IPV6_TC_OFFSET)
+
+#define IAVF_FDIR_INSET_ETH (\
+	IAVF_INSET_ETHERTYPE)
+
+#define IAVF_FDIR_INSET_ETH_IPV4 (\
+	IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
+	IAVF_INSET_IPV4_PROTO | IAVF_INSET_IPV4_TOS | \
+	IAVF_INSET_IPV4_TTL)
+
+#define IAVF_FDIR_INSET_ETH_IPV4_UDP (\
+	IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
+	IAVF_INSET_IPV4_TOS | IAVF_INSET_IPV4_TTL | \
+	IAVF_INSET_UDP_SRC_PORT | IAVF_INSET_UDP_DST_PORT)
+
+#define IAVF_FDIR_INSET_ETH_IPV4_TCP (\
+	IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
+	IAVF_INSET_IPV4_TOS | IAVF_INSET_IPV4_TTL | \
+	IAVF_INSET_TCP_SRC_PORT | IAVF_INSET_TCP_DST_PORT)
+
+#define IAVF_FDIR_INSET_ETH_IPV4_SCTP (\
+	IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
+	IAVF_INSET_IPV4_TOS | IAVF_INSET_IPV4_TTL | \
+	IAVF_INSET_SCTP_SRC_PORT | IAVF_INSET_SCTP_DST_PORT)
+
+#define IAVF_FDIR_INSET_ETH_IPV6 (\
+	IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
+	IAVF_INSET_IPV6_NEXT_HDR | IAVF_INSET_IPV6_TC | \
+	IAVF_INSET_IPV6_HOP_LIMIT)
+
+#define IAVF_FDIR_INSET_ETH_IPV6_UDP (\
+	IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
+	IAVF_INSET_IPV6_TC | IAVF_INSET_IPV6_HOP_LIMIT | \
+	IAVF_INSET_UDP_SRC_PORT | IAVF_INSET_UDP_DST_PORT)
+
+#define IAVF_FDIR_INSET_ETH_IPV6_TCP (\
+	IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
+	IAVF_INSET_IPV6_TC | IAVF_INSET_IPV6_HOP_LIMIT | \
+	IAVF_INSET_TCP_SRC_PORT | IAVF_INSET_TCP_DST_PORT)
+
+#define IAVF_FDIR_INSET_ETH_IPV6_SCTP (\
+	IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
+	IAVF_INSET_IPV6_TC | IAVF_INSET_IPV6_HOP_LIMIT | \
+	IAVF_INSET_SCTP_SRC_PORT | IAVF_INSET_SCTP_DST_PORT)
+
+static struct iavf_pattern_match_item iavf_fdir_pattern[] = {
+	{iavf_pattern_ethertype,		IAVF_FDIR_INSET_ETH,			IAVF_INSET_NONE},
+	{iavf_pattern_eth_ipv4,			IAVF_FDIR_INSET_ETH_IPV4,		IAVF_INSET_NONE},
+	{iavf_pattern_eth_ipv4_udp,		IAVF_FDIR_INSET_ETH_IPV4_UDP,		IAVF_INSET_NONE},
+	{iavf_pattern_eth_ipv4_tcp,		IAVF_FDIR_INSET_ETH_IPV4_TCP,		IAVF_INSET_NONE},
+	{iavf_pattern_eth_ipv4_sctp,		IAVF_FDIR_INSET_ETH_IPV4_SCTP,		IAVF_INSET_NONE},
+	{iavf_pattern_eth_ipv6,			IAVF_FDIR_INSET_ETH_IPV6,		IAVF_INSET_NONE},
+	{iavf_pattern_eth_ipv6_udp,		IAVF_FDIR_INSET_ETH_IPV6_UDP,		IAVF_INSET_NONE},
+	{iavf_pattern_eth_ipv6_tcp,		IAVF_FDIR_INSET_ETH_IPV6_TCP,		IAVF_INSET_NONE},
+	{iavf_pattern_eth_ipv6_sctp,		IAVF_FDIR_INSET_ETH_IPV6_SCTP,		IAVF_INSET_NONE},
+};
+
+static struct iavf_flow_parser iavf_fdir_parser;
+
+static int
+iavf_fdir_init(struct iavf_adapter *ad)
+{
+	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
+	struct iavf_flow_parser *parser;
+
+	if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_FDIR_PF)
+		parser = &iavf_fdir_parser;
+	else
+		return -ENOTSUP;
+
+	return iavf_register_parser(parser, ad);
+}
+
+static void
+iavf_fdir_uninit(struct iavf_adapter *ad)
+{
+	struct iavf_flow_parser *parser;
+
+	parser = &iavf_fdir_parser;
+
+	iavf_unregister_parser(parser, ad);
+}
+
+static int
+iavf_fdir_create(struct iavf_adapter *ad,
+		struct rte_flow *flow,
+		void *meta,
+		struct rte_flow_error *error)
+{
+	struct iavf_fdir_conf *filter = meta;
+	struct iavf_fdir_conf *rule;
+	int ret;
+
+	rule = rte_zmalloc("fdir_entry", sizeof(*rule), 0);
+	if (!rule) {
+		rte_flow_error_set(error, ENOMEM,
+				RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+				"Failed to allocate memory");
+		return -rte_errno;
+	}
+
+	ret = iavf_fdir_add(ad, filter);
+	if (ret) {
+		rte_flow_error_set(error, -ret,
+				RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+				"Add filter rule failed.");
+		goto free_entry;
+	}
+
+	rte_memcpy(rule, filter, sizeof(*rule));
+	flow->rule = rule;
+
+	return 0;
+
+free_entry:
+	rte_free(rule);
+	return -rte_errno;
+}
+
+static int
+iavf_fdir_destroy(struct iavf_adapter *ad,
+		struct rte_flow *flow,
+		struct rte_flow_error *error)
+{
+	struct iavf_fdir_conf *filter;
+	int ret;
+
+	filter = (struct iavf_fdir_conf *)flow->rule;
+
+	ret = iavf_fdir_del(ad, filter);
+	if (ret) {
+		rte_flow_error_set(error, -ret,
+				RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+				"Del filter rule failed.");
+		return -rte_errno;
+	}
+
+	flow->rule = NULL;
+	rte_free(filter);
+
+	return 0;
+}
+
+static int
+iavf_fdir_validation(struct iavf_adapter *ad,
+		__rte_unused struct rte_flow *flow,
+		void *meta,
+		struct rte_flow_error *error)
+{
+	struct iavf_fdir_conf *filter = meta;
+	int ret;
+
+	ret = iavf_fdir_check(ad, filter);
+	if (ret) {
+		rte_flow_error_set(error, -ret,
+				RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+				"Validate filter rule failed.");
+		return -rte_errno;
+	}
+
+	return 0;
+};
+
+static struct iavf_flow_engine iavf_fdir_engine = {
+	.init = iavf_fdir_init,
+	.uninit = iavf_fdir_uninit,
+	.create = iavf_fdir_create,
+	.destroy = iavf_fdir_destroy,
+	.validation = iavf_fdir_validation,
+	.type = IAVF_FLOW_ENGINE_FDIR,
+};
+
+static int
+iavf_fdir_parse_action_qregion(struct iavf_adapter *ad,
+			struct rte_flow_error *error,
+			const struct rte_flow_action *act,
+			struct virtchnl_filter_action *filter_action)
+{
+	const struct rte_flow_action_rss *rss = act->conf;
+	uint32_t i;
+
+	if (act->type != RTE_FLOW_ACTION_TYPE_RSS) {
+		rte_flow_error_set(error, EINVAL,
+				RTE_FLOW_ERROR_TYPE_ACTION, act,
+				"Invalid action.");
+		return -rte_errno;
+	}
+
+	if (rss->queue_num <= 1) {
+		rte_flow_error_set(error, EINVAL,
+				RTE_FLOW_ERROR_TYPE_ACTION, act,
+				"Queue region size can't be 0 or 1.");
+		return -rte_errno;
+	}
+
+	/* check if queue index for queue region is continuous */
+	for (i = 0; i < rss->queue_num - 1; i++) {
+		if (rss->queue[i + 1] != rss->queue[i] + 1) {
+			rte_flow_error_set(error, EINVAL,
+					RTE_FLOW_ERROR_TYPE_ACTION, act,
+					"Discontinuous queue region");
+			return -rte_errno;
+		}
+	}
+
+	if (rss->queue[rss->queue_num - 1] >= ad->eth_dev->data->nb_rx_queues) {
+		rte_flow_error_set(error, EINVAL,
+				RTE_FLOW_ERROR_TYPE_ACTION, act,
+				"Invalid queue region indexes.");
+		return -rte_errno;
+	}
+
+	if (!(rte_is_power_of_2(rss->queue_num) &&
+		(rss->queue_num <= IAVF_FDIR_MAX_QREGION_SIZE))) {
+		rte_flow_error_set(error, EINVAL,
+				RTE_FLOW_ERROR_TYPE_ACTION, act,
+				"The region size should be any of the following values:"
+				"1, 2, 4, 8, 16, 32, 64, 128 as long as the total number "
+				"of queues do not exceed the VSI allocation.");
+		return -rte_errno;
+	}
+
+	filter_action->act_conf.queue.index = rss->queue[0];
+	filter_action->act_conf.queue.region = rte_fls_u32(rss->queue_num) - 1;
+
+	return 0;
+}
+
+static int
+iavf_fdir_parse_action(struct iavf_adapter *ad,
+			const struct rte_flow_action actions[],
+			struct rte_flow_error *error,
+			struct iavf_fdir_conf *filter)
+{
+	const struct rte_flow_action_queue *act_q;
+	uint32_t dest_num = 0;
+	int ret;
+
+	int number = 0;
+	struct virtchnl_filter_action *filter_action;
+
+	for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
+		switch (actions->type) {
+		case RTE_FLOW_ACTION_TYPE_VOID:
+			break;
+
+		case RTE_FLOW_ACTION_TYPE_PASSTHRU:
+			dest_num++;
+
+			filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
+
+			filter_action->type = VIRTCHNL_ACTION_PASSTHRU;
+
+			filter->add_fltr.rule_cfg.action_set.count = ++number;
+			break;
+
+		case RTE_FLOW_ACTION_TYPE_DROP:
+			dest_num++;
+
+			filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
+
+			filter_action->type = VIRTCHNL_ACTION_DROP;
+
+			filter->add_fltr.rule_cfg.action_set.count = ++number;
+			break;
+
+		case RTE_FLOW_ACTION_TYPE_QUEUE:
+			dest_num++;
+
+			act_q = actions->conf;
+			filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
+
+			filter_action->type = VIRTCHNL_ACTION_QUEUE;
+			filter_action->act_conf.queue.index = act_q->index;
+
+			if (filter_action->act_conf.queue.index >=
+				ad->eth_dev->data->nb_rx_queues) {
+				rte_flow_error_set(error, EINVAL,
+					RTE_FLOW_ERROR_TYPE_ACTION,
+					actions, "Invalid queue for FDIR.");
+				return -rte_errno;
+			}
+
+			filter->add_fltr.rule_cfg.action_set.count = ++number;
+			break;
+
+		case RTE_FLOW_ACTION_TYPE_RSS:
+			dest_num++;
+
+			filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
+
+			filter_action->type = VIRTCHNL_ACTION_Q_REGION;
+
+			ret = iavf_fdir_parse_action_qregion(ad,
+						error, actions, filter_action);
+			if (ret)
+				return ret;
+
+			filter->add_fltr.rule_cfg.action_set.count = ++number;
+			break;
+
+		default:
+			rte_flow_error_set(error, EINVAL,
+					RTE_FLOW_ERROR_TYPE_ACTION, actions,
+					"Invalid action.");
+			return -rte_errno;
+		}
+	}
+
+	if (number > VIRTCHNL_MAX_NUM_ACTIONS) {
+		rte_flow_error_set(error, EINVAL,
+			RTE_FLOW_ERROR_TYPE_ACTION, actions,
+			"Action numbers exceed the maximum value");
+		return -rte_errno;
+	}
+
+	if (dest_num == 0 || dest_num >= 2) {
+		rte_flow_error_set(error, EINVAL,
+			RTE_FLOW_ERROR_TYPE_ACTION, actions,
+			"Unsupported action combination");
+		return -rte_errno;
+	}
+
+	return 0;
+}
+
+static int
+iavf_fdir_parse_pattern(__rte_unused struct iavf_adapter *ad,
+			const struct rte_flow_item pattern[],
+			struct rte_flow_error *error,
+			struct iavf_fdir_conf *filter)
+{
+	const struct rte_flow_item *item = pattern;
+	enum rte_flow_item_type item_type;
+	enum rte_flow_item_type l3 = RTE_FLOW_ITEM_TYPE_END;
+	const struct rte_flow_item_eth *eth_spec, *eth_mask;
+	const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
+	const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
+	const struct rte_flow_item_udp *udp_spec, *udp_mask;
+	const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
+	const struct rte_flow_item_sctp *sctp_spec, *sctp_mask;
+	uint64_t input_set = IAVF_INSET_NONE;
+
+	enum rte_flow_item_type next_type;
+	uint16_t ether_type;
+
+	int layer = 0;
+	struct virtchnl_proto_hdr *hdr;
+
+	uint8_t  ipv6_addr_mask[16] = {
+		0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+		0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+	};
+
+	for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
+		if (item->last) {
+			rte_flow_error_set(error, EINVAL,
+					RTE_FLOW_ERROR_TYPE_ITEM, item,
+					"Not support range");
+		}
+
+		item_type = item->type;
+
+		switch (item_type) {
+		case RTE_FLOW_ITEM_TYPE_ETH:
+			eth_spec = item->spec;
+			eth_mask = item->mask;
+			next_type = (item + 1)->type;
+
+			hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
+
+			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, ETH);
+
+			if (next_type == RTE_FLOW_ITEM_TYPE_END &&
+				(!eth_spec || !eth_mask)) {
+				rte_flow_error_set(error, EINVAL,
+						RTE_FLOW_ERROR_TYPE_ITEM,
+						item, "NULL eth spec/mask.");
+				return -rte_errno;
+			}
+
+			if (eth_spec && eth_mask) {
+				if (!rte_is_zero_ether_addr(&eth_mask->src) ||
+				    !rte_is_zero_ether_addr(&eth_mask->dst)) {
+					rte_flow_error_set(error, EINVAL,
+						RTE_FLOW_ERROR_TYPE_ITEM, item,
+						"Invalid MAC_addr mask.");
+					return -rte_errno;
+				}
+			}
+
+			if (eth_spec && eth_mask && eth_mask->type) {
+				if (eth_mask->type != RTE_BE16(0xffff)) {
+					rte_flow_error_set(error, EINVAL,
+						RTE_FLOW_ERROR_TYPE_ITEM,
+						item, "Invalid type mask.");
+					return -rte_errno;
+				}
+
+				ether_type = rte_be_to_cpu_16(eth_spec->type);
+				if (ether_type == RTE_ETHER_TYPE_IPV4 ||
+					ether_type == RTE_ETHER_TYPE_IPV6) {
+					rte_flow_error_set(error, EINVAL,
+						RTE_FLOW_ERROR_TYPE_ITEM,
+						item,
+						"Unsupported ether_type.");
+					return -rte_errno;
+				}
+
+				input_set |= IAVF_INSET_ETHERTYPE;
+				VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, ETH, ETHERTYPE);
+
+				rte_memcpy(hdr->buffer,
+					eth_spec, sizeof(*eth_spec));
+			}
+
+			filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
+			break;
+
+		case RTE_FLOW_ITEM_TYPE_IPV4:
+			l3 = RTE_FLOW_ITEM_TYPE_IPV4;
+			ipv4_spec = item->spec;
+			ipv4_mask = item->mask;
+
+			hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
+
+			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, IPV4);
+
+			if (ipv4_spec && ipv4_mask) {
+				if (ipv4_mask->hdr.version_ihl ||
+					ipv4_mask->hdr.total_length ||
+					ipv4_mask->hdr.packet_id ||
+					ipv4_mask->hdr.fragment_offset ||
+					ipv4_mask->hdr.hdr_checksum) {
+					rte_flow_error_set(error, EINVAL,
+						RTE_FLOW_ERROR_TYPE_ITEM,
+						item, "Invalid IPv4 mask.");
+					return -rte_errno;
+				}
+
+				if (ipv4_mask->hdr.type_of_service ==
+								UINT8_MAX) {
+					input_set |= IAVF_INSET_IPV4_TOS;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, DSCP);
+				}
+				if (ipv4_mask->hdr.next_proto_id == UINT8_MAX) {
+					input_set |= IAVF_INSET_IPV4_PROTO;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, PROT);
+				}
+				if (ipv4_mask->hdr.time_to_live == UINT8_MAX) {
+					input_set |= IAVF_INSET_IPV4_TTL;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, TTL);
+				}
+				if (ipv4_mask->hdr.src_addr == UINT32_MAX) {
+					input_set |= IAVF_INSET_IPV4_SRC;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, SRC);
+				}
+				if (ipv4_mask->hdr.dst_addr == UINT32_MAX) {
+					input_set |= IAVF_INSET_IPV4_DST;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, DST);
+				}
+
+				rte_memcpy(hdr->buffer,
+					&ipv4_spec->hdr,
+					sizeof(ipv4_spec->hdr));
+			}
+
+			filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
+			break;
+
+		case RTE_FLOW_ITEM_TYPE_IPV6:
+			l3 = RTE_FLOW_ITEM_TYPE_IPV6;
+			ipv6_spec = item->spec;
+			ipv6_mask = item->mask;
+
+			hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
+
+			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, IPV6);
+
+			if (ipv6_spec && ipv6_mask) {
+				if (ipv6_mask->hdr.payload_len) {
+					rte_flow_error_set(error, EINVAL,
+						RTE_FLOW_ERROR_TYPE_ITEM,
+						item, "Invalid IPv6 mask");
+					return -rte_errno;
+				}
+
+				if ((ipv6_mask->hdr.vtc_flow &
+					rte_cpu_to_be_32(IAVF_IPV6_TC_MASK))
+					== rte_cpu_to_be_32(
+							IAVF_IPV6_TC_MASK)) {
+					input_set |= IAVF_INSET_IPV6_TC;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, TC);
+				}
+				if (ipv6_mask->hdr.proto == UINT8_MAX) {
+					input_set |= IAVF_INSET_IPV6_NEXT_HDR;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, PROT);
+				}
+				if (ipv6_mask->hdr.hop_limits == UINT8_MAX) {
+					input_set |= IAVF_INSET_IPV6_HOP_LIMIT;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, HOP_LIMIT);
+				}
+				if (!memcmp(ipv6_mask->hdr.src_addr,
+					ipv6_addr_mask,
+					RTE_DIM(ipv6_mask->hdr.src_addr))) {
+					input_set |= IAVF_INSET_IPV6_SRC;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, SRC);
+				}
+				if (!memcmp(ipv6_mask->hdr.dst_addr,
+					ipv6_addr_mask,
+					RTE_DIM(ipv6_mask->hdr.dst_addr))) {
+					input_set |= IAVF_INSET_IPV6_DST;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, DST);
+				}
+
+				rte_memcpy(hdr->buffer,
+					&ipv6_spec->hdr,
+					sizeof(ipv6_spec->hdr));
+			}
+
+			filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
+			break;
+
+		case RTE_FLOW_ITEM_TYPE_UDP:
+			udp_spec = item->spec;
+			udp_mask = item->mask;
+
+			hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
+
+			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, UDP);
+
+			if (udp_spec && udp_mask) {
+				if (udp_mask->hdr.dgram_len ||
+					udp_mask->hdr.dgram_cksum) {
+					rte_flow_error_set(error, EINVAL,
+						RTE_FLOW_ERROR_TYPE_ITEM, item,
+						"Invalid UDP mask");
+					return -rte_errno;
+				}
+
+				if (udp_mask->hdr.src_port == UINT16_MAX) {
+					input_set |= IAVF_INSET_UDP_SRC_PORT;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, SRC_PORT);
+				}
+				if (udp_mask->hdr.dst_port == UINT16_MAX) {
+					input_set |= IAVF_INSET_UDP_DST_PORT;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, DST_PORT);
+				}
+
+				if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
+					rte_memcpy(hdr->buffer,
+						&udp_spec->hdr,
+						sizeof(udp_spec->hdr));
+				else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
+					rte_memcpy(hdr->buffer,
+						&udp_spec->hdr,
+						sizeof(udp_spec->hdr));
+			}
+
+			filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
+			break;
+
+		case RTE_FLOW_ITEM_TYPE_TCP:
+			tcp_spec = item->spec;
+			tcp_mask = item->mask;
+
+			hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
+
+			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, TCP);
+
+			if (tcp_spec && tcp_mask) {
+				if (tcp_mask->hdr.sent_seq ||
+					tcp_mask->hdr.recv_ack ||
+					tcp_mask->hdr.data_off ||
+					tcp_mask->hdr.tcp_flags ||
+					tcp_mask->hdr.rx_win ||
+					tcp_mask->hdr.cksum ||
+					tcp_mask->hdr.tcp_urp) {
+					rte_flow_error_set(error, EINVAL,
+						RTE_FLOW_ERROR_TYPE_ITEM, item,
+						"Invalid TCP mask");
+					return -rte_errno;
+				}
+
+				if (tcp_mask->hdr.src_port == UINT16_MAX) {
+					input_set |= IAVF_INSET_TCP_SRC_PORT;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, SRC_PORT);
+				}
+				if (tcp_mask->hdr.dst_port == UINT16_MAX) {
+					input_set |= IAVF_INSET_TCP_DST_PORT;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, DST_PORT);
+				}
+
+				if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
+					rte_memcpy(hdr->buffer,
+						&tcp_spec->hdr,
+						sizeof(tcp_spec->hdr));
+				else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
+					rte_memcpy(hdr->buffer,
+						&tcp_spec->hdr,
+						sizeof(tcp_spec->hdr));
+			}
+
+			filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
+			break;
+
+		case RTE_FLOW_ITEM_TYPE_SCTP:
+			sctp_spec = item->spec;
+			sctp_mask = item->mask;
+
+			hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
+
+			VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, SCTP);
+
+			if (sctp_spec && sctp_mask) {
+				if (sctp_mask->hdr.cksum) {
+					rte_flow_error_set(error, EINVAL,
+						RTE_FLOW_ERROR_TYPE_ITEM, item,
+						"Invalid UDP mask");
+					return -rte_errno;
+				}
+
+				if (sctp_mask->hdr.src_port == UINT16_MAX) {
+					input_set |= IAVF_INSET_SCTP_SRC_PORT;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, SCTP, SRC_PORT);
+				}
+				if (sctp_mask->hdr.dst_port == UINT16_MAX) {
+					input_set |= IAVF_INSET_SCTP_DST_PORT;
+					VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, SCTP, DST_PORT);
+				}
+
+				if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
+					rte_memcpy(hdr->buffer,
+						&sctp_spec->hdr,
+						sizeof(sctp_spec->hdr));
+				else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
+					rte_memcpy(hdr->buffer,
+						&sctp_spec->hdr,
+						sizeof(sctp_spec->hdr));
+			}
+
+			filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
+			break;
+
+		case RTE_FLOW_ITEM_TYPE_VOID:
+			break;
+
+		default:
+			rte_flow_error_set(error, EINVAL,
+					RTE_FLOW_ERROR_TYPE_ITEM, item,
+					"Invalid pattern item.");
+			return -rte_errno;
+		}
+	}
+
+	if (layer > VIRTCHNL_MAX_NUM_PROTO_HDRS) {
+		rte_flow_error_set(error, EINVAL,
+			RTE_FLOW_ERROR_TYPE_ITEM, item,
+			"Protocol header layers exceed the maximum value");
+		return -rte_errno;
+	}
+
+	filter->input_set = input_set;
+
+	return 0;
+}
+
+static int
+iavf_fdir_parse(struct iavf_adapter *ad,
+		struct iavf_pattern_match_item *array,
+		uint32_t array_len,
+		const struct rte_flow_item pattern[],
+		const struct rte_flow_action actions[],
+		void **meta,
+		struct rte_flow_error *error)
+{
+	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
+	struct iavf_fdir_conf *filter = &vf->fdir.conf;
+	struct iavf_pattern_match_item *item = NULL;
+	uint64_t input_set;
+	int ret;
+
+	memset(filter, 0, sizeof(*filter));
+
+	item = iavf_search_pattern_match_item(pattern, array, array_len, error);
+	if (!item)
+		return -rte_errno;
+
+	ret = iavf_fdir_parse_pattern(ad, pattern, error, filter);
+	if (ret)
+		goto error;
+
+	input_set = filter->input_set;
+	if (!input_set || input_set & ~item->input_set_mask) {
+		rte_flow_error_set(error, EINVAL,
+				RTE_FLOW_ERROR_TYPE_ITEM_SPEC, pattern,
+				"Invalid input set");
+		ret = -rte_errno;
+		goto error;
+	}
+
+	ret = iavf_fdir_parse_action(ad, actions, error, filter);
+	if (ret)
+		goto error;
+
+	if (meta)
+		*meta = filter;
+
+error:
+	rte_free(item);
+	return ret;
+}
+
+static struct iavf_flow_parser iavf_fdir_parser = {
+	.engine = &iavf_fdir_engine,
+	.array = iavf_fdir_pattern,
+	.array_len = RTE_DIM(iavf_fdir_pattern),
+	.parse_pattern_action = iavf_fdir_parse,
+	.stage = IAVF_FLOW_STAGE_DISTRIBUTOR,
+};
+
+RTE_INIT(iavf_fdir_engine_register)
+{
+	iavf_register_flow_engine(&iavf_fdir_engine);
+}
diff --git a/drivers/net/iavf/iavf_vchnl.c b/drivers/net/iavf/iavf_vchnl.c
index b97326f..fc9d54a 100644
--- a/drivers/net/iavf/iavf_vchnl.c
+++ b/drivers/net/iavf/iavf_vchnl.c
@@ -337,7 +337,8 @@ 
 
 	caps = IAVF_BASIC_OFFLOAD_CAPS | VIRTCHNL_VF_CAP_ADV_LINK_SPEED |
 		VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC |
-		VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF;
+		VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF |
+		VIRTCHNL_VF_OFFLOAD_FDIR_PF;
 
 	args.in_args = (uint8_t *)&caps;
 	args.in_args_size = sizeof(caps);
@@ -865,3 +866,154 @@ 
 
 	return err;
 }
+
+int
+iavf_fdir_add(struct iavf_adapter *adapter,
+	struct iavf_fdir_conf *filter)
+{
+	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
+	struct virtchnl_fdir_add *fdir_ret;
+
+	struct iavf_cmd_info args;
+	int err;
+
+	filter->add_fltr.vsi_id = vf->vsi_res->vsi_id;
+	filter->add_fltr.validate_only = 0;
+
+	args.ops = VIRTCHNL_OP_ADD_FDIR_FILTER;
+	args.in_args = (uint8_t *)(&filter->add_fltr);
+	args.in_args_size = sizeof(*(&filter->add_fltr));
+	args.out_buffer = vf->aq_resp;
+	args.out_size = IAVF_AQ_BUF_SZ;
+
+	err = iavf_execute_vf_cmd(adapter, &args);
+	if (err) {
+		PMD_DRV_LOG(ERR, "fail to execute command OP_ADD_FDIR_FILTER");
+		return err;
+	}
+
+	fdir_ret = (struct virtchnl_fdir_add *)args.out_buffer;
+	filter->flow_id = fdir_ret->flow_id;
+
+	if (fdir_ret->status == VIRTCHNL_FDIR_SUCCESS) {
+		PMD_DRV_LOG(INFO,
+			"add rule request is successfully done by PF");
+	} else if (fdir_ret->status == VIRTCHNL_FDIR_FAILURE_RULE_NORESOURCE) {
+		PMD_DRV_LOG(ERR,
+			"add rule request is failed due to no hw resource");
+		return -1;
+	} else if (fdir_ret->status == VIRTCHNL_FDIR_FAILURE_RULE_EXIST) {
+		PMD_DRV_LOG(ERR,
+			"add rule request is failed due to the rule is already existed");
+		return -1;
+	} else if (fdir_ret->status == VIRTCHNL_FDIR_FAILURE_RULE_CONFLICT) {
+		PMD_DRV_LOG(ERR,
+			"add rule request is failed due to the rule is conflict with existing rule");
+		return -1;
+	} else if (fdir_ret->status == VIRTCHNL_FDIR_FAILURE_RULE_INVALID) {
+		PMD_DRV_LOG(ERR,
+			"add rule request is failed due to the hw doesn't support");
+		return -1;
+	} else if (fdir_ret->status == VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT) {
+		PMD_DRV_LOG(ERR,
+			"add rule request is failed due to time out for programming");
+		return -1;
+	} else {
+		PMD_DRV_LOG(ERR,
+			"add rule request is failed due to other reasons");
+		return -1;
+	}
+
+	return 0;
+};
+
+int
+iavf_fdir_del(struct iavf_adapter *adapter,
+	struct iavf_fdir_conf *filter)
+{
+	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
+	struct virtchnl_fdir_del *fdir_ret;
+
+	struct iavf_cmd_info args;
+	int err;
+
+	filter->del_fltr.vsi_id = vf->vsi_res->vsi_id;
+	filter->del_fltr.flow_id = filter->flow_id;
+
+	args.ops = VIRTCHNL_OP_DEL_FDIR_FILTER;
+	args.in_args = (uint8_t *)(&filter->del_fltr);
+	args.in_args_size = sizeof(filter->del_fltr);
+	args.out_buffer = vf->aq_resp;
+	args.out_size = IAVF_AQ_BUF_SZ;
+
+	err = iavf_execute_vf_cmd(adapter, &args);
+	if (err) {
+		PMD_DRV_LOG(ERR, "fail to execute command OP_DEL_FDIR_FILTER");
+		return err;
+	}
+
+	fdir_ret = (struct virtchnl_fdir_del *)args.out_buffer;
+
+	if (fdir_ret->status == VIRTCHNL_FDIR_SUCCESS) {
+		PMD_DRV_LOG(INFO,
+			"delete rule request is successfully done by PF");
+	} else if (fdir_ret->status == VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST) {
+		PMD_DRV_LOG(ERR,
+			"delete rule request is failed due to this rule doesn't exist");
+		return -1;
+	} else if (fdir_ret->status == VIRTCHNL_FDIR_FAILURE_RULE_TIMEOUT) {
+		PMD_DRV_LOG(ERR,
+			"delete rule request is failed due to time out for programming");
+		return -1;
+	} else {
+		PMD_DRV_LOG(ERR,
+			"delete rule request is failed due to other reasons");
+		return -1;
+	}
+
+	return 0;
+};
+
+int
+iavf_fdir_check(struct iavf_adapter *adapter,
+		struct iavf_fdir_conf *filter)
+{
+	struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
+	struct virtchnl_fdir_add *fdir_ret;
+
+	struct iavf_cmd_info args;
+	int err;
+
+	filter->add_fltr.vsi_id = vf->vsi_res->vsi_id;
+	filter->add_fltr.validate_only = 1;
+
+	args.ops = VIRTCHNL_OP_ADD_FDIR_FILTER;
+	args.in_args = (uint8_t *)(&filter->add_fltr);
+	args.in_args_size = sizeof(*(&filter->add_fltr));
+	args.out_buffer = vf->aq_resp;
+	args.out_size = IAVF_AQ_BUF_SZ;
+
+	err = iavf_execute_vf_cmd(adapter, &args);
+	if (err) {
+		PMD_DRV_LOG(ERR, "fail to check flow direcotor rule");
+		return err;
+	}
+
+	fdir_ret = (struct virtchnl_fdir_add *)args.out_buffer;
+
+	if (fdir_ret->status == VIRTCHNL_FDIR_SUCCESS) {
+		PMD_DRV_LOG(INFO,
+			"check rule request is successfully done by PF");
+	} else if (fdir_ret->status == VIRTCHNL_FDIR_FAILURE_RULE_INVALID) {
+		PMD_DRV_LOG(ERR,
+			"check rule request is failed due to parameters validation"
+			" or HW doesn't support");
+		return -1;
+	} else {
+		PMD_DRV_LOG(ERR,
+			"check rule request is failed due to other reasons");
+		return -1;
+	}
+
+	return 0;
+}
diff --git a/drivers/net/iavf/meson.build b/drivers/net/iavf/meson.build
index 5a5cdd5..f875b72 100644
--- a/drivers/net/iavf/meson.build
+++ b/drivers/net/iavf/meson.build
@@ -14,6 +14,7 @@  sources = files(
 	'iavf_vchnl.c',
 	'iavf_generic_flow.c',
 	'iavf_hash.c',
+	'iavf_fdir.c',
 )
 
 if arch_subdir == 'x86'