diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index dea422c..d3e5190 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -51,6 +51,7 @@
 #define HNAE3_KNIC_CLIENT_INITED_B		0x3
 #define HNAE3_UNIC_CLIENT_INITED_B		0x4
 #define HNAE3_ROCE_CLIENT_INITED_B		0x5
+#define HNAE3_DEV_SUPPORT_FD_B			0x6
 
 #define HNAE3_DEV_SUPPORT_ROCE_DCB_BITS (BIT(HNAE3_DEV_SUPPORT_DCB_B) |\
 		BIT(HNAE3_DEV_SUPPORT_ROCE_B))
@@ -61,6 +62,9 @@
 #define hnae3_dev_dcb_supported(hdev) \
 	hnae3_get_bit(hdev->ae_dev->flag, HNAE3_DEV_SUPPORT_DCB_B)
 
+#define hnae3_dev_fd_supported(hdev) \
+	hnae3_get_bit((hdev)->ae_dev->flag, HNAE3_DEV_SUPPORT_FD_B)
+
 #define ring_ptr_move_fw(ring, p) \
 	((ring)->p = ((ring)->p + 1) % (ring)->desc_num)
 #define ring_ptr_move_bw(ring, p) \
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 10506522..605f029 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -1622,6 +1622,13 @@ static void hns3_disable_sriov(struct pci_dev *pdev)
 	pci_disable_sriov(pdev);
 }
 
+static void hns3_get_dev_capability(struct pci_dev *pdev,
+				    struct hnae3_ae_dev *ae_dev)
+{
+	if (pdev->revision >= 0x21)
+		hnae3_set_bit(ae_dev->flag, HNAE3_DEV_SUPPORT_FD_B, 1);
+}
+
 /* hns3_probe - Device initialization routine
  * @pdev: PCI device information struct
  * @ent: entry in hns3_pci_tbl
@@ -1647,6 +1654,7 @@ static int hns3_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	ae_dev->pdev = pdev;
 	ae_dev->flag = ent->driver_data;
 	ae_dev->dev_type = HNAE3_DEV_KNIC;
+	hns3_get_dev_capability(pdev, ae_dev);
 	pci_set_drvdata(pdev, ae_dev);
 
 	hnae3_register_ae_dev(ae_dev);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 842dc3f..827bc51 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -190,6 +190,11 @@ enum hclge_opcode_type {
 	HCLGE_OPC_VLAN_FILTER_PF_CFG	= 0x1101,
 	HCLGE_OPC_VLAN_FILTER_VF_CFG	= 0x1102,
 
+	/* Flow Director commands */
+	HCLGE_OPC_FD_MODE_CTRL		= 0x1200,
+	HCLGE_OPC_FD_GET_ALLOCATION	= 0x1201,
+	HCLGE_OPC_FD_KEY_CONFIG		= 0x1202,
+
 	/* MDIO command */
 	HCLGE_OPC_MDIO_CONFIG		= 0x1900,
 
@@ -819,6 +824,33 @@ struct hclge_set_led_state_cmd {
 	u8 rsv2[20];
 };
 
+struct hclge_get_fd_mode_cmd {
+	u8 mode;
+	u8 enable;
+	u8 rsv[22];
+};
+
+struct hclge_get_fd_allocation_cmd {
+	__le32 stage1_entry_num;
+	__le32 stage2_entry_num;
+	__le16 stage1_counter_num;
+	__le16 stage2_counter_num;
+	u8 rsv[12];
+};
+
+struct hclge_set_fd_key_config_cmd {
+	u8 stage;
+	u8 key_select;
+	u8 inner_sipv6_word_en;
+	u8 inner_dipv6_word_en;
+	u8 outer_sipv6_word_en;
+	u8 outer_dipv6_word_en;
+	u8 rsv1[2];
+	__le32 tuple_mask;
+	__le32 meta_data_mask;
+	u8 rsv2[8];
+};
+
 int hclge_cmd_init(struct hclge_dev *hdev);
 static inline void hclge_write_reg(void __iomem *base, u32 reg, u32 value)
 {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 7c8b686..b02190f 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -3328,6 +3328,149 @@ static void hclge_set_promisc_mode(struct hnae3_handle *handle, bool en_uc_pmc,
 	hclge_cmd_set_promisc_mode(hdev, &param);
 }
 
+static int hclge_get_fd_mode(struct hclge_dev *hdev, u8 *fd_mode)
+{
+	struct hclge_get_fd_mode_cmd *req;
+	struct hclge_desc desc;
+	int ret;
+
+	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_FD_MODE_CTRL, true);
+
+	req = (struct hclge_get_fd_mode_cmd *)desc.data;
+
+	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+	if (ret) {
+		dev_err(&hdev->pdev->dev, "get fd mode fail, ret=%d\n", ret);
+		return ret;
+	}
+
+	*fd_mode = req->mode;
+
+	return ret;
+}
+
+static int hclge_get_fd_allocation(struct hclge_dev *hdev,
+				   u32 *stage1_entry_num,
+				   u32 *stage2_entry_num,
+				   u16 *stage1_counter_num,
+				   u16 *stage2_counter_num)
+{
+	struct hclge_get_fd_allocation_cmd *req;
+	struct hclge_desc desc;
+	int ret;
+
+	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_FD_GET_ALLOCATION, true);
+
+	req = (struct hclge_get_fd_allocation_cmd *)desc.data;
+
+	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+	if (ret) {
+		dev_err(&hdev->pdev->dev, "query fd allocation fail, ret=%d\n",
+			ret);
+		return ret;
+	}
+
+	*stage1_entry_num = le32_to_cpu(req->stage1_entry_num);
+	*stage2_entry_num = le32_to_cpu(req->stage2_entry_num);
+	*stage1_counter_num = le16_to_cpu(req->stage1_counter_num);
+	*stage2_counter_num = le16_to_cpu(req->stage2_counter_num);
+
+	return ret;
+}
+
+static int hclge_set_fd_key_config(struct hclge_dev *hdev, int stage_num)
+{
+	struct hclge_set_fd_key_config_cmd *req;
+	struct hclge_fd_key_cfg *stage;
+	struct hclge_desc desc;
+	int ret;
+
+	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_FD_KEY_CONFIG, false);
+
+	req = (struct hclge_set_fd_key_config_cmd *)desc.data;
+	stage = &hdev->fd_cfg.key_cfg[stage_num];
+	req->stage = stage_num;
+	req->key_select = stage->key_sel;
+	req->inner_sipv6_word_en = stage->inner_sipv6_word_en;
+	req->inner_dipv6_word_en = stage->inner_dipv6_word_en;
+	req->outer_sipv6_word_en = stage->outer_sipv6_word_en;
+	req->outer_dipv6_word_en = stage->outer_dipv6_word_en;
+	req->tuple_mask = cpu_to_le32(~stage->tuple_active);
+	req->meta_data_mask = cpu_to_le32(~stage->meta_data_active);
+
+	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+	if (ret)
+		dev_err(&hdev->pdev->dev, "set fd key fail, ret=%d\n", ret);
+
+	return ret;
+}
+
+static int hclge_init_fd_config(struct hclge_dev *hdev)
+{
+#define LOW_2_WORDS		0x03
+	struct hclge_fd_key_cfg *key_cfg;
+	int ret;
+
+	if (!hnae3_dev_fd_supported(hdev))
+		return 0;
+
+	ret = hclge_get_fd_mode(hdev, &hdev->fd_cfg.fd_mode);
+	if (ret)
+		return ret;
+
+	switch (hdev->fd_cfg.fd_mode) {
+	case HCLGE_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1:
+		hdev->fd_cfg.max_key_length = MAX_KEY_LENGTH;
+		break;
+	case HCLGE_FD_MODE_DEPTH_4K_WIDTH_200B_STAGE_1:
+		hdev->fd_cfg.max_key_length = MAX_KEY_LENGTH / 2;
+		break;
+	default:
+		dev_err(&hdev->pdev->dev,
+			"Unsupported flow director mode %d\n",
+			hdev->fd_cfg.fd_mode);
+		return -EOPNOTSUPP;
+	}
+
+	hdev->fd_cfg.fd_en = true;
+	hdev->fd_cfg.proto_support =
+		TCP_V4_FLOW | UDP_V4_FLOW | SCTP_V4_FLOW | TCP_V6_FLOW |
+		UDP_V6_FLOW | SCTP_V6_FLOW | IPV4_USER_FLOW | IPV6_USER_FLOW;
+	key_cfg = &hdev->fd_cfg.key_cfg[HCLGE_FD_STAGE_1];
+	key_cfg->key_sel = HCLGE_FD_KEY_BASE_ON_TUPLE,
+	key_cfg->inner_sipv6_word_en = LOW_2_WORDS;
+	key_cfg->inner_dipv6_word_en = LOW_2_WORDS;
+	key_cfg->outer_sipv6_word_en = 0;
+	key_cfg->outer_dipv6_word_en = 0;
+
+	key_cfg->tuple_active = BIT(INNER_VLAN_TAG_FST) | BIT(INNER_ETH_TYPE) |
+				BIT(INNER_IP_PROTO) | BIT(INNER_IP_TOS) |
+				BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) |
+				BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
+
+	/* If use max 400bit key, we can support tuples for ether type */
+	if (hdev->fd_cfg.max_key_length == MAX_KEY_LENGTH) {
+		hdev->fd_cfg.proto_support |= ETHER_FLOW;
+		key_cfg->tuple_active |=
+				BIT(INNER_DST_MAC) | BIT(INNER_SRC_MAC);
+	}
+
+	/* roce_type is used to filter roce frames
+	 * dst_vport is used to specify the rule
+	 */
+	key_cfg->meta_data_active = BIT(ROCE_TYPE) | BIT(DST_VPORT);
+
+	ret = hclge_get_fd_allocation(hdev,
+				      &hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1],
+				      &hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_2],
+				      &hdev->fd_cfg.cnt_num[HCLGE_FD_STAGE_1],
+				      &hdev->fd_cfg.cnt_num[HCLGE_FD_STAGE_2]);
+	if (ret)
+		return ret;
+
+	return hclge_set_fd_key_config(hdev, HCLGE_FD_STAGE_1);
+}
+
 static void hclge_cfg_mac_mode(struct hclge_dev *hdev, bool enable)
 {
 	struct hclge_desc desc;
@@ -5506,6 +5649,13 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
 		goto err_mdiobus_unreg;
 	}
 
+	ret = hclge_init_fd_config(hdev);
+	if (ret) {
+		dev_err(&pdev->dev,
+			"fd table init fail, ret=%d\n", ret);
+		goto err_mdiobus_unreg;
+	}
+
 	hclge_dcb_ops_set(hdev);
 
 	timer_setup(&hdev->service_timer, hclge_service_timer, 0);
@@ -5612,6 +5762,13 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev)
 		return ret;
 	}
 
+	ret = hclge_init_fd_config(hdev);
+	if (ret) {
+		dev_err(&pdev->dev,
+			"fd table init fail, ret=%d\n", ret);
+		return ret;
+	}
+
 	dev_info(&pdev->dev, "Reset done, %s driver initialization finished.\n",
 		 HCLGE_DRIVER_NAME);
 
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index 7841b83..1e7ad5a 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -359,6 +359,152 @@ struct hclge_vlan_type_cfg {
 	u16 tx_in_vlan_type;
 };
 
+enum HCLGE_FD_MODE {
+	HCLGE_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1,
+	HCLGE_FD_MODE_DEPTH_1K_WIDTH_400B_STAGE_2,
+	HCLGE_FD_MODE_DEPTH_4K_WIDTH_200B_STAGE_1,
+	HCLGE_FD_MODE_DEPTH_2K_WIDTH_200B_STAGE_2,
+};
+
+enum HCLGE_FD_KEY_TYPE {
+	HCLGE_FD_KEY_BASE_ON_PTYPE,
+	HCLGE_FD_KEY_BASE_ON_TUPLE,
+};
+
+enum HCLGE_FD_STAGE {
+	HCLGE_FD_STAGE_1,
+	HCLGE_FD_STAGE_2,
+};
+
+/* OUTER_XXX indicates tuples in tunnel header of tunnel packet
+ * INNER_XXX indicate tuples in tunneled header of tunnel packet or
+ *           tuples of non-tunnel packet
+ */
+enum HCLGE_FD_TUPLE {
+	OUTER_DST_MAC,
+	OUTER_SRC_MAC,
+	OUTER_VLAN_TAG_FST,
+	OUTER_VLAN_TAG_SEC,
+	OUTER_ETH_TYPE,
+	OUTER_L2_RSV,
+	OUTER_IP_TOS,
+	OUTER_IP_PROTO,
+	OUTER_SRC_IP,
+	OUTER_DST_IP,
+	OUTER_L3_RSV,
+	OUTER_SRC_PORT,
+	OUTER_DST_PORT,
+	OUTER_L4_RSV,
+	OUTER_TUN_VNI,
+	OUTER_TUN_FLOW_ID,
+	INNER_DST_MAC,
+	INNER_SRC_MAC,
+	INNER_VLAN_TAG_FST,
+	INNER_VLAN_TAG_SEC,
+	INNER_ETH_TYPE,
+	INNER_L2_RSV,
+	INNER_IP_TOS,
+	INNER_IP_PROTO,
+	INNER_SRC_IP,
+	INNER_DST_IP,
+	INNER_L3_RSV,
+	INNER_SRC_PORT,
+	INNER_DST_PORT,
+	INNER_L4_RSV,
+	MAX_TUPLE,
+};
+
+enum HCLGE_FD_META_DATA {
+	PACKET_TYPE_ID,
+	IP_FRAGEMENT,
+	ROCE_TYPE,
+	NEXT_KEY,
+	VLAN_NUMBER,
+	SRC_VPORT,
+	DST_VPORT,
+	TUNNEL_PACKET,
+	MAX_META_DATA,
+};
+
+struct key_info {
+	u8 key_type;
+	u8 key_length;
+};
+
+static const struct key_info meta_data_key_info[] = {
+	{ PACKET_TYPE_ID, 6},
+	{ IP_FRAGEMENT, 1},
+	{ ROCE_TYPE, 1},
+	{ NEXT_KEY, 5},
+	{ VLAN_NUMBER, 2},
+	{ SRC_VPORT, 12},
+	{ DST_VPORT, 12},
+	{ TUNNEL_PACKET, 1},
+};
+
+static const struct key_info tuple_key_info[] = {
+	{ OUTER_DST_MAC, 48},
+	{ OUTER_SRC_MAC, 48},
+	{ OUTER_VLAN_TAG_FST, 16},
+	{ OUTER_VLAN_TAG_SEC, 16},
+	{ OUTER_ETH_TYPE, 16},
+	{ OUTER_L2_RSV, 16},
+	{ OUTER_IP_TOS, 8},
+	{ OUTER_IP_PROTO, 8},
+	{ OUTER_SRC_IP, 32},
+	{ OUTER_DST_IP, 32},
+	{ OUTER_L3_RSV, 16},
+	{ OUTER_SRC_PORT, 16},
+	{ OUTER_DST_PORT, 16},
+	{ OUTER_L4_RSV, 32},
+	{ OUTER_TUN_VNI, 24},
+	{ OUTER_TUN_FLOW_ID, 8},
+	{ INNER_DST_MAC, 48},
+	{ INNER_SRC_MAC, 48},
+	{ INNER_VLAN_TAG_FST, 16},
+	{ INNER_VLAN_TAG_SEC, 16},
+	{ INNER_ETH_TYPE, 16},
+	{ INNER_L2_RSV, 16},
+	{ INNER_IP_TOS, 8},
+	{ INNER_IP_PROTO, 8},
+	{ INNER_SRC_IP, 32},
+	{ INNER_DST_IP, 32},
+	{ INNER_L3_RSV, 16},
+	{ INNER_SRC_PORT, 16},
+	{ INNER_DST_PORT, 16},
+	{ INNER_L4_RSV, 32},
+};
+
+#define MAX_KEY_LENGTH	400
+#define MAX_KEY_DWORDS	DIV_ROUND_UP(MAX_KEY_LENGTH / 8, 4)
+#define MAX_KEY_BYTES	(MAX_KEY_DWORDS * 4)
+#define MAX_META_DATA_LENGTH	32
+
+enum HCLGE_FD_PACKET_TYPE {
+	NIC_PACKET,
+	ROCE_PACKET,
+};
+
+struct hclge_fd_key_cfg {
+	u8 key_sel;
+	u8 inner_sipv6_word_en;
+	u8 inner_dipv6_word_en;
+	u8 outer_sipv6_word_en;
+	u8 outer_dipv6_word_en;
+	u32 tuple_active;
+	u32 meta_data_active;
+};
+
+struct hclge_fd_cfg {
+	u8 fd_mode;
+	u8 fd_en;
+	u16 max_key_length;
+	u32 proto_support;
+	u32 rule_num[2]; /* rule entry number */
+	u16 cnt_num[2]; /* rule hit counter number */
+	struct hclge_fd_key_cfg key_cfg[2];
+};
+
 #define HCLGE_VPORT_NUM 256
 struct hclge_dev {
 	struct pci_dev *pdev;
@@ -448,6 +594,8 @@ struct hclge_dev {
 	struct hclge_vlan_type_cfg vlan_type_cfg;
 
 	unsigned long vlan_table[VLAN_N_VID][BITS_TO_LONGS(HCLGE_VPORT_NUM)];
+
+	struct hclge_fd_cfg fd_cfg;
 };
 
 /* VPort level vlan tag configuration for TX direction */
