[dpdk-dev] [PATCH v3 16/22] net/hns3: add RX/TX package burst and queue related operation

["Wei Hu (Xavier)" <xavier.huwei@huawei.com>]

This patch adds queue related operation, package sending and
receiving function codes.

Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Chunsong Feng <fengchunsong@huawei.com>
Signed-off-by: Min Wang (Jushui) <wangmin3@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Signed-off-by: Hao Chen <chenhao164@huawei.com>
Signed-off-by: Huisong Li <lihuisong@huawei.com>
---
v1 -> v2:
	Address Ferruh Yigit's comments as follows:
	https://inbox.dpdk.org/dev/394ce2c3-d892-55fa-dffa-6580ceda49d8@intel.com
---
 doc/guides/nics/features/hns3.ini    |    5 +
 doc/guides/nics/features/hns3_vf.ini |    5 +
 drivers/net/hns3/Makefile            |    3 +-
 drivers/net/hns3/hns3_ethdev.c       |   22 +
 drivers/net/hns3/hns3_ethdev_vf.c    |   36 +-
 drivers/net/hns3/hns3_rxtx.c         | 1659 ++++++++++++++++++++++++++++++++++
 drivers/net/hns3/hns3_rxtx.h         |  317 +++++++
 drivers/net/hns3/meson.build         |    1 +
 8 files changed, 2046 insertions(+), 2 deletions(-)
 create mode 100644 drivers/net/hns3/hns3_rxtx.c
 create mode 100644 drivers/net/hns3/hns3_rxtx.h

diff --git a/doc/guides/nics/features/hns3.ini b/doc/guides/nics/features/hns3.ini
index c57afde..09b8ab0 100644
--- a/doc/guides/nics/features/hns3.ini
+++ b/doc/guides/nics/features/hns3.ini
@@ -16,7 +16,12 @@ VLAN filter          = Y
 Flow director        = Y
 Flow control         = Y
 Flow API             = Y
+CRC offload          = Y
 VLAN offload         = Y
+L3 checksum offload  = Y
+L4 checksum offload  = Y
+Inner L3 checksum    = Y
+Inner L4 checksum    = Y
 FW version           = Y
 Linux UIO            = Y
 Linux VFIO           = Y
diff --git a/doc/guides/nics/features/hns3_vf.ini b/doc/guides/nics/features/hns3_vf.ini
index e77a3fb..5fddfa5 100644
--- a/doc/guides/nics/features/hns3_vf.ini
+++ b/doc/guides/nics/features/hns3_vf.ini
@@ -15,7 +15,12 @@ RSS reta update      = Y
 VLAN filter          = Y
 Flow director        = Y
 Flow API             = Y
+CRC offload          = Y
 VLAN offload         = Y
+L3 checksum offload  = Y
+L4 checksum offload  = Y
+Inner L3 checksum    = Y
+Inner L4 checksum    = Y
 Linux UIO            = Y
 Linux VFIO           = Y
 ARMv8                = Y
diff --git a/drivers/net/hns3/Makefile b/drivers/net/hns3/Makefile
index a8890f0..1a5c66a 100644
--- a/drivers/net/hns3/Makefile
+++ b/drivers/net/hns3/Makefile
@@ -11,7 +11,7 @@ LIB = librte_pmd_hns3.a
 CFLAGS += -O3
 CFLAGS += $(WERROR_FLAGS)
 
-LDLIBS += -lrte_eal
+LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring
 LDLIBS += -lrte_ethdev -lrte_net -lrte_hash
 LDLIBS += -lrte_bus_pci
 
@@ -26,6 +26,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_ethdev.c
 SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_ethdev_vf.c
 SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_cmd.c
 SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_mbx.c
+SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_rxtx.c
 SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_rss.c
 SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_flow.c
 SRCS-$(CONFIG_RTE_LIBRTE_HNS3_PMD) += hns3_fdir.c
diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index 2f9acee..edc85cb 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -23,6 +23,7 @@
 
 #include "hns3_ethdev.h"
 #include "hns3_logs.h"
+#include "hns3_rxtx.h"
 #include "hns3_regs.h"
 #include "hns3_dcb.h"
 
@@ -1717,6 +1718,18 @@ hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
 				 DEV_TX_OFFLOAD_MULTI_SEGS |
 				 info->tx_queue_offload_capa);
 
+	info->rx_desc_lim = (struct rte_eth_desc_lim) {
+		.nb_max = HNS3_MAX_RING_DESC,
+		.nb_min = HNS3_MIN_RING_DESC,
+		.nb_align = HNS3_ALIGN_RING_DESC,
+	};
+
+	info->tx_desc_lim = (struct rte_eth_desc_lim) {
+		.nb_max = HNS3_MAX_RING_DESC,
+		.nb_min = HNS3_MIN_RING_DESC,
+		.nb_align = HNS3_ALIGN_RING_DESC,
+	};
+
 	info->vmdq_queue_num = 0;
 
 	info->reta_size = HNS3_RSS_IND_TBL_SIZE;
@@ -1727,6 +1740,8 @@ hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
 	info->default_txportconf.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
 	info->default_rxportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
 	info->default_txportconf.nb_queues = HNS3_DEFAULT_PORT_CONF_QUEUES_NUM;
+	info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC;
+	info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC;
 
 	return 0;
 }
@@ -3326,6 +3341,7 @@ hns3_dev_close(struct rte_eth_dev *eth_dev)
 
 	hns3_configure_all_mc_mac_addr(hns, true);
 	hns3_uninit_pf(eth_dev);
+	hns3_free_all_queues(eth_dev);
 	rte_free(eth_dev->process_private);
 	eth_dev->process_private = NULL;
 	hw->adapter_state = HNS3_NIC_CLOSED;
@@ -3522,6 +3538,10 @@ static const struct eth_dev_ops hns3_eth_dev_ops = {
 	.mtu_set            = hns3_dev_mtu_set,
 	.dev_infos_get          = hns3_dev_infos_get,
 	.fw_version_get         = hns3_fw_version_get,
+	.rx_queue_setup         = hns3_rx_queue_setup,
+	.tx_queue_setup         = hns3_tx_queue_setup,
+	.rx_queue_release       = hns3_dev_rx_queue_release,
+	.tx_queue_release       = hns3_dev_tx_queue_release,
 	.flow_ctrl_get          = hns3_flow_ctrl_get,
 	.flow_ctrl_set          = hns3_flow_ctrl_set,
 	.priority_flow_ctrl_set = hns3_priority_flow_ctrl_set,
@@ -3540,6 +3560,7 @@ static const struct eth_dev_ops hns3_eth_dev_ops = {
 	.vlan_offload_set       = hns3_vlan_offload_set,
 	.vlan_pvid_set          = hns3_vlan_pvid_set,
 	.get_dcb_info           = hns3_get_dcb_info,
+	.dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
 };
 
 static int
@@ -3564,6 +3585,7 @@ hns3_dev_init(struct rte_eth_dev *eth_dev)
 	/* initialize flow filter lists */
 	hns3_filterlist_init(eth_dev);
 
+	hns3_set_rxtx_function(eth_dev);
 	eth_dev->dev_ops = &hns3_eth_dev_ops;
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 		return 0;
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index 5f3384f..8a0dbb9 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -27,6 +27,7 @@
 
 #include "hns3_ethdev.h"
 #include "hns3_logs.h"
+#include "hns3_rxtx.h"
 #include "hns3_regs.h"
 #include "hns3_dcb.h"
 
@@ -479,11 +480,25 @@ hns3vf_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
 				 DEV_TX_OFFLOAD_MULTI_SEGS |
 				 info->tx_queue_offload_capa);
 
+	info->rx_desc_lim = (struct rte_eth_desc_lim) {
+		.nb_max = HNS3_MAX_RING_DESC,
+		.nb_min = HNS3_MIN_RING_DESC,
+		.nb_align = HNS3_ALIGN_RING_DESC,
+	};
+
+	info->tx_desc_lim = (struct rte_eth_desc_lim) {
+		.nb_max = HNS3_MAX_RING_DESC,
+		.nb_min = HNS3_MIN_RING_DESC,
+		.nb_align = HNS3_ALIGN_RING_DESC,
+	};
+
 	info->vmdq_queue_num = 0;
 
 	info->reta_size = HNS3_RSS_IND_TBL_SIZE;
 	info->hash_key_size = HNS3_RSS_KEY_SIZE;
 	info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT;
+	info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC;
+	info->default_txportconf.ring_size = HNS3_DEFAULT_RING_DESC;
 
 	return 0;
 }
@@ -991,9 +1006,11 @@ hns3vf_dev_stop(struct rte_eth_dev *eth_dev)
 	PMD_INIT_FUNC_TRACE();
 
 	hw->adapter_state = HNS3_NIC_STOPPING;
+	hns3_set_rxtx_function(eth_dev);
 
 	rte_spinlock_lock(&hw->lock);
 	hns3vf_do_stop(hns);
+	hns3_dev_release_mbufs(hns);
 	hw->adapter_state = HNS3_NIC_CONFIGURED;
 	rte_spinlock_unlock(&hw->lock);
 }
@@ -1012,6 +1029,7 @@ hns3vf_dev_close(struct rte_eth_dev *eth_dev)
 	rte_eal_alarm_cancel(hns3vf_service_handler, eth_dev);
 	hns3vf_configure_all_mc_mac_addr(hns, true);
 	hns3vf_uninit_vf(eth_dev);
+	hns3_free_all_queues(eth_dev);
 	rte_free(eth_dev->process_private);
 	eth_dev->process_private = NULL;
 	hw->adapter_state = HNS3_NIC_CLOSED;
@@ -1055,10 +1073,19 @@ hns3vf_dev_link_update(struct rte_eth_dev *eth_dev,
 }
 
 static int
-hns3vf_do_start(struct hns3_adapter *hns, __rte_unused bool reset_queue)
+hns3vf_do_start(struct hns3_adapter *hns, bool reset_queue)
 {
+	struct hns3_hw *hw = &hns->hw;
+	int ret;
+
 	hns3vf_set_tc_info(hns);
 
+	ret = hns3_start_queues(hns, reset_queue);
+	if (ret) {
+		hns3_err(hw, "Failed to start queues: %d", ret);
+		return ret;
+	}
+
 	return 0;
 }
 
@@ -1080,6 +1107,7 @@ hns3vf_dev_start(struct rte_eth_dev *eth_dev)
 	}
 	hw->adapter_state = HNS3_NIC_STARTED;
 	rte_spinlock_unlock(&hw->lock);
+	hns3_set_rxtx_function(eth_dev);
 	return 0;
 }
 
@@ -1089,6 +1117,10 @@ static const struct eth_dev_ops hns3vf_eth_dev_ops = {
 	.dev_close          = hns3vf_dev_close,
 	.mtu_set            = hns3vf_dev_mtu_set,
 	.dev_infos_get      = hns3vf_dev_infos_get,
+	.rx_queue_setup     = hns3_rx_queue_setup,
+	.tx_queue_setup     = hns3_tx_queue_setup,
+	.rx_queue_release   = hns3_dev_rx_queue_release,
+	.tx_queue_release   = hns3_dev_tx_queue_release,
 	.dev_configure      = hns3vf_dev_configure,
 	.mac_addr_add       = hns3vf_add_mac_addr,
 	.mac_addr_remove    = hns3vf_remove_mac_addr,
@@ -1102,6 +1134,7 @@ static const struct eth_dev_ops hns3vf_eth_dev_ops = {
 	.filter_ctrl        = hns3_dev_filter_ctrl,
 	.vlan_filter_set    = hns3vf_vlan_filter_set,
 	.vlan_offload_set   = hns3vf_vlan_offload_set,
+	.dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
 };
 
 static int
@@ -1125,6 +1158,7 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev)
 	/* initialize flow filter lists */
 	hns3_filterlist_init(eth_dev);
 
+	hns3_set_rxtx_function(eth_dev);
 	eth_dev->dev_ops = &hns3vf_eth_dev_ops;
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 		return 0;
diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
new file mode 100644
index 0000000..9283864
--- /dev/null
+++ b/drivers/net/hns3/hns3_rxtx.c
@@ -0,0 +1,1659 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2019 Hisilicon Limited.
+ */
+
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <inttypes.h>
+#include <rte_bus_pci.h>
+#include <rte_byteorder.h>
+#include <rte_common.h>
+#include <rte_cycles.h>
+#include <rte_dev.h>
+#include <rte_eal.h>
+#include <rte_ether.h>
+#include <rte_ethdev_driver.h>
+#include <rte_io.h>
+#include <rte_ip.h>
+#include <rte_gre.h>
+#include <rte_net.h>
+#include <rte_malloc.h>
+#include <rte_pci.h>
+
+#include "hns3_ethdev.h"
+#include "hns3_rxtx.h"
+#include "hns3_regs.h"
+#include "hns3_logs.h"
+
+#define HNS3_CFG_DESC_NUM(num)	((num) / 8 - 1)
+#define DEFAULT_RX_FREE_THRESH	16
+
+static void
+hns3_rx_queue_release_mbufs(struct hns3_rx_queue *rxq)
+{
+	uint16_t i;
+
+	if (rxq->sw_ring) {
+		for (i = 0; i < rxq->nb_rx_desc; i++) {
+			if (rxq->sw_ring[i].mbuf) {
+				rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf);
+				rxq->sw_ring[i].mbuf = NULL;
+			}
+		}
+	}
+}
+
+static void
+hns3_tx_queue_release_mbufs(struct hns3_tx_queue *txq)
+{
+	uint16_t i;
+
+	if (txq->sw_ring) {
+		for (i = 0; i < txq->nb_tx_desc; i++) {
+			if (txq->sw_ring[i].mbuf) {
+				rte_pktmbuf_free_seg(txq->sw_ring[i].mbuf);
+				txq->sw_ring[i].mbuf = NULL;
+			}
+		}
+	}
+}
+
+static void
+hns3_rx_queue_release(void *queue)
+{
+	struct hns3_rx_queue *rxq = queue;
+	if (rxq) {
+		hns3_rx_queue_release_mbufs(rxq);
+		if (rxq->mz)
+			rte_memzone_free(rxq->mz);
+		if (rxq->sw_ring)
+			rte_free(rxq->sw_ring);
+		rte_free(rxq);
+	}
+}
+
+static void
+hns3_tx_queue_release(void *queue)
+{
+	struct hns3_tx_queue *txq = queue;
+	if (txq) {
+		hns3_tx_queue_release_mbufs(txq);
+		if (txq->mz)
+			rte_memzone_free(txq->mz);
+		if (txq->sw_ring)
+			rte_free(txq->sw_ring);
+		rte_free(txq);
+	}
+}
+
+void
+hns3_dev_rx_queue_release(void *queue)
+{
+	struct hns3_rx_queue *rxq = queue;
+	struct hns3_adapter *hns;
+
+	if (rxq == NULL)
+		return;
+
+	hns = rxq->hns;
+	rte_spinlock_lock(&hns->hw.lock);
+	hns3_rx_queue_release(queue);
+	rte_spinlock_unlock(&hns->hw.lock);
+}
+
+void
+hns3_dev_tx_queue_release(void *queue)
+{
+	struct hns3_tx_queue *txq = queue;
+	struct hns3_adapter *hns;
+
+	if (txq == NULL)
+		return;
+
+	hns = txq->hns;
+	rte_spinlock_lock(&hns->hw.lock);
+	hns3_tx_queue_release(queue);
+	rte_spinlock_unlock(&hns->hw.lock);
+}
+
+void
+hns3_free_all_queues(struct rte_eth_dev *dev)
+{
+	uint16_t i;
+
+	if (dev->data->rx_queues)
+		for (i = 0; i < dev->data->nb_rx_queues; i++) {
+			hns3_rx_queue_release(dev->data->rx_queues[i]);
+			dev->data->rx_queues[i] = NULL;
+		}
+
+	if (dev->data->tx_queues)
+		for (i = 0; i < dev->data->nb_tx_queues; i++) {
+			hns3_tx_queue_release(dev->data->tx_queues[i]);
+			dev->data->tx_queues[i] = NULL;
+		}
+}
+
+static int
+hns3_alloc_rx_queue_mbufs(struct hns3_hw *hw, struct hns3_rx_queue *rxq)
+{
+	struct rte_mbuf *mbuf;
+	uint64_t dma_addr;
+	uint16_t i;
+
+	for (i = 0; i < rxq->nb_rx_desc; i++) {
+		mbuf = rte_mbuf_raw_alloc(rxq->mb_pool);
+		if (unlikely(mbuf == NULL)) {
+			hns3_err(hw, "Failed to allocate RXD[%d] for rx queue!",
+				 i);
+			hns3_rx_queue_release_mbufs(rxq);
+			return -ENOMEM;
+		}
+
+		rte_mbuf_refcnt_set(mbuf, 1);
+		mbuf->next = NULL;
+		mbuf->data_off = RTE_PKTMBUF_HEADROOM;
+		mbuf->nb_segs = 1;
+		mbuf->port = rxq->port_id;
+
+		rxq->sw_ring[i].mbuf = mbuf;
+		dma_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(mbuf));
+		rxq->rx_ring[i].addr = dma_addr;
+		rxq->rx_ring[i].rx.bd_base_info = 0;
+	}
+
+	return 0;
+}
+
+static int
+hns3_buf_size2type(uint32_t buf_size)
+{
+	int bd_size_type;
+
+	switch (buf_size) {
+	case 512:
+		bd_size_type = HNS3_BD_SIZE_512_TYPE;
+		break;
+	case 1024:
+		bd_size_type = HNS3_BD_SIZE_1024_TYPE;
+		break;
+	case 4096:
+		bd_size_type = HNS3_BD_SIZE_4096_TYPE;
+		break;
+	default:
+		bd_size_type = HNS3_BD_SIZE_2048_TYPE;
+	}
+
+	return bd_size_type;
+}
+
+static void
+hns3_init_rx_queue_hw(struct hns3_rx_queue *rxq)
+{
+	uint32_t rx_buf_len = rxq->rx_buf_len;
+	uint64_t dma_addr = rxq->rx_ring_phys_addr;
+
+	hns3_write_dev(rxq, HNS3_RING_RX_BASEADDR_L_REG, (uint32_t)dma_addr);
+	hns3_write_dev(rxq, HNS3_RING_RX_BASEADDR_H_REG,
+		       (uint32_t)((dma_addr >> 31) >> 1));
+
+	hns3_write_dev(rxq, HNS3_RING_RX_BD_LEN_REG,
+		       hns3_buf_size2type(rx_buf_len));
+	hns3_write_dev(rxq, HNS3_RING_RX_BD_NUM_REG,
+		       HNS3_CFG_DESC_NUM(rxq->nb_rx_desc));
+}
+
+static void
+hns3_init_tx_queue_hw(struct hns3_tx_queue *txq)
+{
+	uint64_t dma_addr = txq->tx_ring_phys_addr;
+
+	hns3_write_dev(txq, HNS3_RING_TX_BASEADDR_L_REG, (uint32_t)dma_addr);
+	hns3_write_dev(txq, HNS3_RING_TX_BASEADDR_H_REG,
+		       (uint32_t)((dma_addr >> 31) >> 1));
+
+	hns3_write_dev(txq, HNS3_RING_TX_BD_NUM_REG,
+		       HNS3_CFG_DESC_NUM(txq->nb_tx_desc));
+}
+
+static void
+hns3_enable_all_queues(struct hns3_hw *hw, bool en)
+{
+	struct hns3_rx_queue *rxq;
+	struct hns3_tx_queue *txq;
+	uint32_t rcb_reg;
+	int i;
+
+	for (i = 0; i < hw->data->nb_rx_queues; i++) {
+		rxq = hw->data->rx_queues[i];
+		txq = hw->data->tx_queues[i];
+		if (rxq == NULL || txq == NULL ||
+		    (en && (rxq->rx_deferred_start || txq->tx_deferred_start)))
+			continue;
+		rcb_reg = hns3_read_dev(rxq, HNS3_RING_EN_REG);
+		if (en)
+			rcb_reg |= BIT(HNS3_RING_EN_B);
+		else
+			rcb_reg &= ~BIT(HNS3_RING_EN_B);
+		hns3_write_dev(rxq, HNS3_RING_EN_REG, rcb_reg);
+	}
+}
+
+static int
+hns3_tqp_enable(struct hns3_hw *hw, uint16_t queue_id, bool enable)
+{
+	struct hns3_cfg_com_tqp_queue_cmd *req;
+	struct hns3_cmd_desc desc;
+	int ret;
+
+	req = (struct hns3_cfg_com_tqp_queue_cmd *)desc.data;
+
+	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_COM_TQP_QUEUE, false);
+	req->tqp_id = rte_cpu_to_le_16(queue_id & HNS3_RING_ID_MASK);
+	req->stream_id = 0;
+	hns3_set_bit(req->enable, HNS3_TQP_ENABLE_B, enable ? 1 : 0);
+
+	ret = hns3_cmd_send(hw, &desc, 1);
+	if (ret)
+		hns3_err(hw, "TQP enable fail, ret = %d", ret);
+
+	return ret;
+}
+
+static int
+hns3_send_reset_tqp_cmd(struct hns3_hw *hw, uint16_t queue_id, bool enable)
+{
+	struct hns3_reset_tqp_queue_cmd *req;
+	struct hns3_cmd_desc desc;
+	int ret;
+
+	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RESET_TQP_QUEUE, false);
+
+	req = (struct hns3_reset_tqp_queue_cmd *)desc.data;
+	req->tqp_id = rte_cpu_to_le_16(queue_id & HNS3_RING_ID_MASK);
+	hns3_set_bit(req->reset_req, HNS3_TQP_RESET_B, enable ? 1 : 0);
+
+	ret = hns3_cmd_send(hw, &desc, 1);
+	if (ret)
+		hns3_err(hw, "Send tqp reset cmd error, ret = %d", ret);
+
+	return ret;
+}
+
+static int
+hns3_get_reset_status(struct hns3_hw *hw, uint16_t queue_id)
+{
+	struct hns3_reset_tqp_queue_cmd *req;
+	struct hns3_cmd_desc desc;
+	int ret;
+
+	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RESET_TQP_QUEUE, true);
+
+	req = (struct hns3_reset_tqp_queue_cmd *)desc.data;
+	req->tqp_id = rte_cpu_to_le_16(queue_id & HNS3_RING_ID_MASK);
+
+	ret = hns3_cmd_send(hw, &desc, 1);
+	if (ret) {
+		hns3_err(hw, "Get reset status error, ret =%d", ret);
+		return ret;
+	}
+
+	return hns3_get_bit(req->ready_to_reset, HNS3_TQP_RESET_B);
+}
+
+static int
+hns3_reset_tqp(struct hns3_hw *hw, uint16_t queue_id)
+{
+#define HNS3_TQP_RESET_TRY_MS	200
+	uint64_t end;
+	int reset_status;
+	int ret;
+
+	ret = hns3_tqp_enable(hw, queue_id, false);
+	if (ret)
+		return ret;
+
+	/*
+	 * In current version VF is not supported when PF is driven by DPDK
+	 * driver, all task queue pairs are mapped to PF function, so PF's queue
+	 * id is equals to the global queue id in PF range.
+	 */
+	ret = hns3_send_reset_tqp_cmd(hw, queue_id, true);
+	if (ret) {
+		hns3_err(hw, "Send reset tqp cmd fail, ret = %d", ret);
+		return ret;
+	}
+	ret = -ETIMEDOUT;
+	end = get_timeofday_ms() + HNS3_TQP_RESET_TRY_MS;
+	do {
+		/* Wait for tqp hw reset */
+		rte_delay_ms(HNS3_POLL_RESPONE_MS);
+		reset_status = hns3_get_reset_status(hw, queue_id);
+		if (reset_status) {
+			ret = 0;
+			break;
+		}
+	} while (get_timeofday_ms() < end);
+
+	if (ret) {
+		hns3_err(hw, "Reset TQP fail, ret = %d", ret);
+		return ret;
+	}
+
+	ret = hns3_send_reset_tqp_cmd(hw, queue_id, false);
+	if (ret)
+		hns3_err(hw, "Deassert the soft reset fail, ret = %d", ret);
+
+	return ret;
+}
+
+static int
+hns3vf_reset_tqp(struct hns3_hw *hw, uint16_t queue_id)
+{
+	uint8_t msg_data[2];
+	int ret;
+
+	/* Disable VF's queue before send queue reset msg to PF */
+	ret = hns3_tqp_enable(hw, queue_id, false);
+	if (ret)
+		return ret;
+
+	memcpy(msg_data, &queue_id, sizeof(uint16_t));
+
+	return hns3_send_mbx_msg(hw, HNS3_MBX_QUEUE_RESET, 0, msg_data,
+				 sizeof(msg_data), true, NULL, 0);
+}
+
+static int
+hns3_reset_queue(struct hns3_adapter *hns, uint16_t queue_id)
+{
+	struct hns3_hw *hw = &hns->hw;
+	if (hns->is_vf)
+		return hns3vf_reset_tqp(hw, queue_id);
+	else
+		return hns3_reset_tqp(hw, queue_id);
+}
+
+int
+hns3_reset_all_queues(struct hns3_adapter *hns)
+{
+	struct hns3_hw *hw = &hns->hw;
+	int ret;
+	uint16_t i;
+
+	for (i = 0; i < hw->data->nb_rx_queues; i++) {
+		ret = hns3_reset_queue(hns, i);
+		if (ret) {
+			hns3_err(hw, "Failed to reset No.%d queue: %d", i, ret);
+			return ret;
+		}
+	}
+	return 0;
+}
+
+static int
+hns3_dev_rx_queue_start(struct hns3_adapter *hns, uint16_t idx)
+{
+	struct hns3_hw *hw = &hns->hw;
+	struct hns3_rx_queue *rxq;
+	int ret;
+
+	PMD_INIT_FUNC_TRACE();
+
+	rxq = hw->data->rx_queues[idx];
+
+	ret = hns3_alloc_rx_queue_mbufs(hw, rxq);
+	if (ret) {
+		hns3_err(hw, "Failed to alloc mbuf for No.%d rx queue: %d",
+			    idx, ret);
+		return ret;
+	}
+
+	rxq->next_to_use = 0;
+	rxq->next_to_clean = 0;
+	hns3_init_rx_queue_hw(rxq);
+
+	return 0;
+}
+
+static void
+hns3_dev_tx_queue_start(struct hns3_adapter *hns, uint16_t idx)
+{
+	struct hns3_hw *hw = &hns->hw;
+	struct hns3_tx_queue *txq;
+	struct hns3_desc *desc;
+	int i;
+
+	txq = hw->data->tx_queues[idx];
+
+	/* Clear tx bd */
+	desc = txq->tx_ring;
+	for (i = 0; i < txq->nb_tx_desc; i++) {
+		desc->tx.tp_fe_sc_vld_ra_ri = 0;
+		desc++;
+	}
+
+	txq->next_to_use = 0;
+	txq->next_to_clean = 0;
+	txq->tx_bd_ready   = txq->nb_tx_desc;
+	hns3_init_tx_queue_hw(txq);
+}
+
+static void
+hns3_init_tx_ring_tc(struct hns3_adapter *hns)
+{
+	struct hns3_hw *hw = &hns->hw;
+	struct hns3_tx_queue *txq;
+	int i, num;
+
+	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
+		struct hns3_tc_queue_info *tc_queue = &hw->tc_queue[i];
+		int j;
+
+		if (!tc_queue->enable)
+			continue;
+
+		for (j = 0; j < tc_queue->tqp_count; j++) {
+			num = tc_queue->tqp_offset + j;
+			txq = hw->data->tx_queues[num];
+			if (txq == NULL)
+				continue;
+
+			hns3_write_dev(txq, HNS3_RING_TX_TC_REG, tc_queue->tc);
+		}
+	}
+}
+
+int
+hns3_start_queues(struct hns3_adapter *hns, bool reset_queue)
+{
+	struct hns3_hw *hw = &hns->hw;
+	struct rte_eth_dev_data *dev_data = hw->data;
+	struct hns3_rx_queue *rxq;
+	struct hns3_tx_queue *txq;
+	int ret;
+	int i;
+	int j;
+
+	/* Initialize RSS for queues */
+	ret = hns3_config_rss(hns);
+	if (ret) {
+		hns3_err(hw, "Failed to configure rss %d", ret);
+		return ret;
+	}
+
+	if (reset_queue) {
+		ret = hns3_reset_all_queues(hns);
+		if (ret) {
+			hns3_err(hw, "Failed to reset all queues %d", ret);
+			return ret;
+		}
+	}
+
+	/*
+	 * Hardware does not support where the number of rx and tx queues is
+	 * not equal in hip08. In .dev_configure callback function we will
+	 * check the two values, here we think that the number of rx and tx
+	 * queues is equal.
+	 */
+	for (i = 0; i < hw->data->nb_rx_queues; i++) {
+		rxq = dev_data->rx_queues[i];
+		txq = dev_data->tx_queues[i];
+		if (rxq == NULL || txq == NULL || rxq->rx_deferred_start ||
+		    txq->tx_deferred_start)
+			continue;
+
+		ret = hns3_dev_rx_queue_start(hns, i);
+		if (ret) {
+			hns3_err(hw, "Failed to start No.%d rx queue: %d", i,
+				 ret);
+			goto out;
+		}
+		hns3_dev_tx_queue_start(hns, i);
+	}
+	hns3_init_tx_ring_tc(hns);
+
+	hns3_enable_all_queues(hw, true);
+	return 0;
+
+out:
+	for (j = 0; j < i; j++) {
+		rxq = dev_data->rx_queues[j];
+		hns3_rx_queue_release_mbufs(rxq);
+	}
+
+	return ret;
+}
+
+int
+hns3_stop_queues(struct hns3_adapter *hns, bool reset_queue)
+{
+	struct hns3_hw *hw = &hns->hw;
+	int ret;
+
+	hns3_enable_all_queues(hw, false);
+	if (reset_queue) {
+		ret = hns3_reset_all_queues(hns);
+		if (ret) {
+			hns3_err(hw, "Failed to reset all queues %d", ret);
+			return ret;
+		}
+	}
+	return 0;
+}
+
+void
+hns3_dev_release_mbufs(struct hns3_adapter *hns)
+{
+	struct rte_eth_dev_data *dev_data = hns->hw.data;
+	struct hns3_rx_queue *rxq;
+	struct hns3_tx_queue *txq;
+	int i;
+
+	if (dev_data->rx_queues)
+		for (i = 0; i < dev_data->nb_rx_queues; i++) {
+			rxq = dev_data->rx_queues[i];
+			if (rxq == NULL || rxq->rx_deferred_start)
+				continue;
+			hns3_rx_queue_release_mbufs(rxq);
+		}
+
+	if (dev_data->tx_queues)
+		for (i = 0; i < dev_data->nb_tx_queues; i++) {
+			txq = dev_data->tx_queues[i];
+			if (txq == NULL || txq->tx_deferred_start)
+				continue;
+			hns3_tx_queue_release_mbufs(txq);
+		}
+}
+
+int
+hns3_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t nb_desc,
+		    unsigned int socket_id, const struct rte_eth_rxconf *conf,
+		    struct rte_mempool *mp)
+{
+	struct hns3_adapter *hns = dev->data->dev_private;
+	const struct rte_memzone *rx_mz;
+	struct hns3_hw *hw = &hns->hw;
+	struct hns3_rx_queue *rxq;
+	unsigned int desc_size = sizeof(struct hns3_desc);
+	unsigned int rx_desc;
+	int rx_entry_len;
+
+	if (dev->data->dev_started) {
+		hns3_err(hw, "rx_queue_setup after dev_start no supported");
+		return -EINVAL;
+	}
+
+	if (nb_desc > HNS3_MAX_RING_DESC || nb_desc < HNS3_MIN_RING_DESC ||
+	    nb_desc % HNS3_ALIGN_RING_DESC) {
+		hns3_err(hw, "Number (%u) of rx descriptors is invalid",
+			 nb_desc);
+		return -EINVAL;
+	}
+
+	if (dev->data->rx_queues[idx]) {
+		hns3_rx_queue_release(dev->data->rx_queues[idx]);
+		dev->data->rx_queues[idx] = NULL;
+	}
+
+	rxq = rte_zmalloc_socket("hns3 RX queue", sizeof(struct hns3_rx_queue),
+				 RTE_CACHE_LINE_SIZE, socket_id);
+	if (rxq == NULL) {
+		hns3_err(hw, "Failed to allocate memory for rx queue!");
+		return -ENOMEM;
+	}
+
+	rxq->hns = hns;
+	rxq->mb_pool = mp;
+	rxq->nb_rx_desc = nb_desc;
+	rxq->queue_id = idx;
+	if (conf->rx_free_thresh <= 0)
+		rxq->rx_free_thresh = DEFAULT_RX_FREE_THRESH;
+	else
+		rxq->rx_free_thresh = conf->rx_free_thresh;
+	rxq->rx_deferred_start = conf->rx_deferred_start;
+
+	rx_entry_len = sizeof(struct hns3_entry) * rxq->nb_rx_desc;
+	rxq->sw_ring = rte_zmalloc_socket("hns3 RX sw ring", rx_entry_len,
+					  RTE_CACHE_LINE_SIZE, socket_id);
+	if (rxq->sw_ring == NULL) {
+		hns3_err(hw, "Failed to allocate memory for rx sw ring!");
+		hns3_rx_queue_release(rxq);
+		return -ENOMEM;
+	}
+
+	/* Allocate rx ring hardware descriptors. */
+	rx_desc = rxq->nb_rx_desc * desc_size;
+	rx_mz = rte_eth_dma_zone_reserve(dev, "rx_ring", idx, rx_desc,
+					 HNS3_RING_BASE_ALIGN, socket_id);
+	if (rx_mz == NULL) {
+		hns3_err(hw, "Failed to reserve DMA memory for No.%d rx ring!",
+			 idx);
+		hns3_rx_queue_release(rxq);
+		return -ENOMEM;
+	}
+	rxq->mz = rx_mz;
+	rxq->rx_ring = (struct hns3_desc *)rx_mz->addr;
+	rxq->rx_ring_phys_addr = rx_mz->iova;
+
+	hns3_dbg(hw, "No.%d rx descriptors iova 0x%lx", idx,
+		 rxq->rx_ring_phys_addr);
+
+	rxq->next_to_use = 0;
+	rxq->next_to_clean = 0;
+	rxq->nb_rx_hold = 0;
+	rxq->pkt_first_seg = NULL;
+	rxq->pkt_last_seg = NULL;
+	rxq->port_id = dev->data->port_id;
+	rxq->configured = true;
+	rxq->io_base = (void *)((char *)hw->io_base + HNS3_TQP_REG_OFFSET +
+				idx * HNS3_TQP_REG_SIZE);
+	rxq->rx_buf_len = hw->rx_buf_len;
+	rxq->non_vld_descs = 0;
+	rxq->l2_errors = 0;
+	rxq->pkt_len_errors = 0;
+	rxq->l3_csum_erros = 0;
+	rxq->l4_csum_erros = 0;
+	rxq->ol3_csum_erros = 0;
+	rxq->ol4_csum_erros = 0;
+	rxq->errors = 0;
+
+	rte_spinlock_lock(&hw->lock);
+	dev->data->rx_queues[idx] = rxq;
+	rte_spinlock_unlock(&hw->lock);
+
+	return 0;
+}
+
+static inline uint32_t
+rxd_pkt_info_to_pkt_type(uint32_t pkt_info, uint32_t ol_info)
+{
+#define HNS3_L2TBL_NUM	4
+#define HNS3_L3TBL_NUM	16
+#define HNS3_L4TBL_NUM	16
+#define HNS3_OL3TBL_NUM	16
+#define HNS3_OL4TBL_NUM	16
+	uint32_t pkt_type = 0;
+	uint32_t l2id, l3id, l4id;
+	uint32_t ol3id, ol4id;
+
+	static const uint32_t l2table[HNS3_L2TBL_NUM] = {
+		RTE_PTYPE_L2_ETHER,
+		RTE_PTYPE_L2_ETHER_VLAN,
+		RTE_PTYPE_L2_ETHER_QINQ,
+		0
+	};
+
+	static const uint32_t l3table[HNS3_L3TBL_NUM] = {
+		RTE_PTYPE_L3_IPV4,
+		RTE_PTYPE_L3_IPV6,
+		RTE_PTYPE_L2_ETHER_ARP,
+		RTE_PTYPE_L2_ETHER,
+		RTE_PTYPE_L3_IPV4_EXT,
+		RTE_PTYPE_L3_IPV6_EXT,
+		RTE_PTYPE_L2_ETHER_LLDP,
+		0, 0, 0, 0, 0, 0, 0, 0, 0
+	};
+
+	static const uint32_t l4table[HNS3_L4TBL_NUM] = {
+		RTE_PTYPE_L4_UDP,
+		RTE_PTYPE_L4_TCP,
+		RTE_PTYPE_TUNNEL_GRE,
+		RTE_PTYPE_L4_SCTP,
+		RTE_PTYPE_L4_IGMP,
+		RTE_PTYPE_L4_ICMP,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+	};
+
+	static const uint32_t inner_l2table[HNS3_L2TBL_NUM] = {
+		RTE_PTYPE_INNER_L2_ETHER,
+		RTE_PTYPE_INNER_L2_ETHER_VLAN,
+		RTE_PTYPE_INNER_L2_ETHER_QINQ,
+		0
+	};
+
+	static const uint32_t inner_l3table[HNS3_L3TBL_NUM] = {
+		RTE_PTYPE_INNER_L3_IPV4,
+		RTE_PTYPE_INNER_L3_IPV6,
+		0,
+		RTE_PTYPE_INNER_L2_ETHER,
+		RTE_PTYPE_INNER_L3_IPV4_EXT,
+		RTE_PTYPE_INNER_L3_IPV6_EXT,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+	};
+
+	static const uint32_t inner_l4table[HNS3_L4TBL_NUM] = {
+		RTE_PTYPE_INNER_L4_UDP,
+		RTE_PTYPE_INNER_L4_TCP,
+		RTE_PTYPE_TUNNEL_GRE,
+		RTE_PTYPE_INNER_L4_SCTP,
+		RTE_PTYPE_L4_IGMP,
+		RTE_PTYPE_INNER_L4_ICMP,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+	};
+
+	static const uint32_t ol3table[HNS3_OL3TBL_NUM] = {
+		RTE_PTYPE_L3_IPV4,
+		RTE_PTYPE_L3_IPV6,
+		0, 0,
+		RTE_PTYPE_L3_IPV4_EXT,
+		RTE_PTYPE_L3_IPV6_EXT,
+		0, 0, 0, 0, 0, 0, 0, 0, 0,
+		RTE_PTYPE_UNKNOWN
+	};
+
+	static const uint32_t ol4table[HNS3_OL4TBL_NUM] = {
+		0,
+		RTE_PTYPE_TUNNEL_VXLAN,
+		RTE_PTYPE_TUNNEL_NVGRE,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+	};
+
+	l2id = hns3_get_field(pkt_info, HNS3_RXD_STRP_TAGP_M,
+			      HNS3_RXD_STRP_TAGP_S);
+	l3id = hns3_get_field(pkt_info, HNS3_RXD_L3ID_M, HNS3_RXD_L3ID_S);
+	l4id = hns3_get_field(pkt_info, HNS3_RXD_L4ID_M, HNS3_RXD_L4ID_S);
+	ol3id = hns3_get_field(ol_info, HNS3_RXD_OL3ID_M, HNS3_RXD_OL3ID_S);
+	ol4id = hns3_get_field(ol_info, HNS3_RXD_OL4ID_M, HNS3_RXD_OL4ID_S);
+
+	if (ol4table[ol4id])
+		pkt_type |= (inner_l2table[l2id] | inner_l3table[l3id] |
+			     inner_l4table[l4id] | ol3table[ol3id] |
+			     ol4table[ol4id]);
+	else
+		pkt_type |= (l2table[l2id] | l3table[l3id] | l4table[l4id]);
+	return pkt_type;
+}
+
+const uint32_t *
+hns3_dev_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+	static const uint32_t ptypes[] = {
+		RTE_PTYPE_L2_ETHER,
+		RTE_PTYPE_L2_ETHER_VLAN,
+		RTE_PTYPE_L2_ETHER_QINQ,
+		RTE_PTYPE_L2_ETHER_LLDP,
+		RTE_PTYPE_L2_ETHER_ARP,
+		RTE_PTYPE_L3_IPV4,
+		RTE_PTYPE_L3_IPV4_EXT,
+		RTE_PTYPE_L3_IPV6,
+		RTE_PTYPE_L3_IPV6_EXT,
+		RTE_PTYPE_L4_IGMP,
+		RTE_PTYPE_L4_ICMP,
+		RTE_PTYPE_L4_SCTP,
+		RTE_PTYPE_L4_TCP,
+		RTE_PTYPE_L4_UDP,
+		RTE_PTYPE_TUNNEL_GRE,
+		RTE_PTYPE_UNKNOWN
+	};
+
+	if (dev->rx_pkt_burst == hns3_recv_pkts)
+		return ptypes;
+
+	return NULL;
+}
+
+static void
+hns3_clean_rx_buffers(struct hns3_rx_queue *rxq, int count)
+{
+	rxq->next_to_use += count;
+	if (rxq->next_to_use >= rxq->nb_rx_desc)
+		rxq->next_to_use -= rxq->nb_rx_desc;
+
+	hns3_write_dev(rxq, HNS3_RING_RX_HEAD_REG, count);
+}
+
+static int
+hns3_handle_bdinfo(struct hns3_rx_queue *rxq, struct rte_mbuf *rxm,
+		   uint32_t bd_base_info, uint32_t l234_info,
+		   uint32_t *cksum_err)
+{
+	uint32_t tmp = 0;
+
+	if (unlikely(l234_info & BIT(HNS3_RXD_L2E_B))) {
+		rxq->l2_errors++;
+		rxq->errors++;
+		return -EINVAL;
+	}
+
+	if (unlikely(rxm->pkt_len == 0 ||
+		(l234_info & BIT(HNS3_RXD_TRUNCAT_B)))) {
+		rxq->pkt_len_errors++;
+		rxq->errors++;
+		return -EINVAL;
+	}
+
+	if (bd_base_info & BIT(HNS3_RXD_L3L4P_B)) {
+		if (unlikely(l234_info & BIT(HNS3_RXD_L3E_B))) {
+			rxm->ol_flags |= PKT_RX_IP_CKSUM_BAD;
+			rxq->l3_csum_erros++;
+			tmp |= HNS3_L3_CKSUM_ERR;
+		}
+
+		if (unlikely(l234_info & BIT(HNS3_RXD_L4E_B))) {
+			rxm->ol_flags |= PKT_RX_L4_CKSUM_BAD;
+			rxq->l4_csum_erros++;
+			tmp |= HNS3_L4_CKSUM_ERR;
+		}
+
+		if (unlikely(l234_info & BIT(HNS3_RXD_OL3E_B))) {
+			rxq->ol3_csum_erros++;
+			tmp |= HNS3_OUTER_L3_CKSUM_ERR;
+		}
+
+		if (unlikely(l234_info & BIT(HNS3_RXD_OL4E_B))) {
+			rxm->ol_flags |= PKT_RX_OUTER_L4_CKSUM_BAD;
+			rxq->ol4_csum_erros++;
+			tmp |= HNS3_OUTER_L4_CKSUM_ERR;
+		}
+	}
+	*cksum_err = tmp;
+
+	return 0;
+}
+
+static void
+hns3_rx_set_cksum_flag(struct rte_mbuf *rxm, uint64_t packet_type,
+		       const uint32_t cksum_err)
+{
+	if (unlikely((packet_type & RTE_PTYPE_TUNNEL_MASK))) {
+		if (likely(packet_type & RTE_PTYPE_INNER_L3_MASK) &&
+		    (cksum_err & HNS3_L3_CKSUM_ERR) == 0)
+			rxm->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
+		if (likely(packet_type & RTE_PTYPE_INNER_L4_MASK) &&
+		    (cksum_err & HNS3_L4_CKSUM_ERR) == 0)
+			rxm->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+		if (likely(packet_type & RTE_PTYPE_L4_MASK) &&
+		    (cksum_err & HNS3_OUTER_L4_CKSUM_ERR) == 0)
+			rxm->ol_flags |= PKT_RX_OUTER_L4_CKSUM_GOOD;
+	} else {
+		if (likely(packet_type & RTE_PTYPE_L3_MASK) &&
+		    (cksum_err & HNS3_L3_CKSUM_ERR) == 0)
+			rxm->ol_flags |= PKT_RX_IP_CKSUM_GOOD;
+		if (likely(packet_type & RTE_PTYPE_L4_MASK) &&
+		    (cksum_err & HNS3_L4_CKSUM_ERR) == 0)
+			rxm->ol_flags |= PKT_RX_L4_CKSUM_GOOD;
+	}
+}
+
+uint16_t
+hns3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
+{
+	struct hns3_rx_queue *rxq;      /* RX queue */
+	struct hns3_desc *rx_ring;      /* RX ring (desc) */
+	struct hns3_entry *sw_ring;
+	struct hns3_entry *rxe;
+	struct hns3_desc *rxdp;         /* pointer of the current desc */
+	struct rte_mbuf *first_seg;
+	struct rte_mbuf *last_seg;
+	struct rte_mbuf *nmb;           /* pointer of the new mbuf */
+	struct rte_mbuf *rxm;
+	struct rte_eth_dev *dev;
+	uint32_t bd_base_info;
+	uint32_t cksum_err;
+	uint32_t l234_info;
+	uint32_t ol_info;
+	uint64_t dma_addr;
+	uint16_t data_len;
+	uint16_t nb_rx_bd;
+	uint16_t pkt_len;
+	uint16_t nb_rx;
+	uint16_t rx_id;
+	int num;                        /* num of desc in ring */
+	int ret;
+
+	nb_rx = 0;
+	nb_rx_bd = 0;
+	rxq = rx_queue;
+	dev = &rte_eth_devices[rxq->port_id];
+
+	rx_id = rxq->next_to_clean;
+	rx_ring = rxq->rx_ring;
+	first_seg = rxq->pkt_first_seg;
+	last_seg = rxq->pkt_last_seg;
+	sw_ring = rxq->sw_ring;
+
+	/* Get num of packets in descriptor ring */
+	num = hns3_read_dev(rxq, HNS3_RING_RX_FBDNUM_REG);
+	while (nb_rx_bd < num && nb_rx < nb_pkts) {
+		rxdp = &rx_ring[rx_id];
+		bd_base_info = rte_le_to_cpu_32(rxdp->rx.bd_base_info);
+		if (unlikely(!hns3_get_bit(bd_base_info, HNS3_RXD_VLD_B))) {
+			rxq->non_vld_descs++;
+			break;
+		}
+
+		nmb = rte_mbuf_raw_alloc(rxq->mb_pool);
+		if (unlikely(nmb == NULL)) {
+			dev->data->rx_mbuf_alloc_failed++;
+			break;
+		}
+
+		nb_rx_bd++;
+		rxe = &sw_ring[rx_id];
+		rx_id++;
+		if (rx_id == rxq->nb_rx_desc)
+			rx_id = 0;
+
+		rte_prefetch0(sw_ring[rx_id].mbuf);
+		if ((rx_id & 0x3) == 0) {
+			rte_prefetch0(&rx_ring[rx_id]);
+			rte_prefetch0(&sw_ring[rx_id]);
+		}
+
+		rxm = rxe->mbuf;
+		rxe->mbuf = nmb;
+
+		dma_addr = rte_cpu_to_le_64(rte_mbuf_data_iova_default(nmb));
+		rxdp->addr = dma_addr;
+		rxdp->rx.bd_base_info = 0;
+
+		rte_cio_rmb();
+		/* Load remained descriptor data and extract necessary fields */
+		data_len = (uint16_t)(rte_le_to_cpu_16(rxdp->rx.size));
+		l234_info = rte_le_to_cpu_32(rxdp->rx.l234_info);
+		ol_info = rte_le_to_cpu_32(rxdp->rx.ol_info);
+
+		if (first_seg == NULL) {
+			first_seg = rxm;
+			first_seg->nb_segs = 1;
+		} else {
+			first_seg->nb_segs++;
+			last_seg->next = rxm;
+		}
+
+		rxm->data_off = RTE_PKTMBUF_HEADROOM;
+		rxm->data_len = data_len;
+
+		if (!hns3_get_bit(bd_base_info, HNS3_RXD_FE_B)) {
+			last_seg = rxm;
+			continue;
+		}
+
+		/* The last buffer of the received packet */
+		pkt_len = (uint16_t)(rte_le_to_cpu_16(rxdp->rx.pkt_len));
+		first_seg->pkt_len = pkt_len;
+		first_seg->port = rxq->port_id;
+		first_seg->hash.rss = rte_le_to_cpu_32(rxdp->rx.rss_hash);
+		if (unlikely(hns3_get_bit(bd_base_info, HNS3_RXD_LUM_B))) {
+			first_seg->hash.fdir.hi =
+				rte_le_to_cpu_32(rxdp->rx.fd_id);
+			first_seg->ol_flags |= PKT_RX_FDIR | PKT_RX_FDIR_ID;
+		}
+		rxm->next = NULL;
+
+		ret = hns3_handle_bdinfo(rxq, first_seg, bd_base_info,
+					 l234_info, &cksum_err);
+		if (unlikely(ret))
+			goto pkt_err;
+
+		first_seg->packet_type = rxd_pkt_info_to_pkt_type(l234_info,
+								  ol_info);
+
+		if (bd_base_info & BIT(HNS3_RXD_L3L4P_B))
+			hns3_rx_set_cksum_flag(rxm, first_seg->packet_type,
+					       cksum_err);
+
+		first_seg->vlan_tci = rte_le_to_cpu_16(rxdp->rx.vlan_tag);
+		first_seg->vlan_tci_outer =
+			rte_le_to_cpu_16(rxdp->rx.ot_vlan_tag);
+		rx_pkts[nb_rx++] = first_seg;
+		first_seg = NULL;
+		continue;
+pkt_err:
+		rte_pktmbuf_free(first_seg);
+		first_seg = NULL;
+	}
+
+	rxq->next_to_clean = rx_id;
+	rxq->pkt_first_seg = first_seg;
+	rxq->pkt_last_seg = last_seg;
+	hns3_clean_rx_buffers(rxq, nb_rx_bd);
+
+	return nb_rx;
+}
+
+int
+hns3_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t nb_desc,
+		    unsigned int socket_id, const struct rte_eth_txconf *conf)
+{
+	struct hns3_adapter *hns = dev->data->dev_private;
+	const struct rte_memzone *tx_mz;
+	struct hns3_hw *hw = &hns->hw;
+	struct hns3_tx_queue *txq;
+	struct hns3_desc *desc;
+	unsigned int desc_size = sizeof(struct hns3_desc);
+	unsigned int tx_desc;
+	int tx_entry_len;
+	int i;
+
+	if (dev->data->dev_started) {
+		hns3_err(hw, "tx_queue_setup after dev_start no supported");
+		return -EINVAL;
+	}
+
+	if (nb_desc > HNS3_MAX_RING_DESC || nb_desc < HNS3_MIN_RING_DESC ||
+	    nb_desc % HNS3_ALIGN_RING_DESC) {
+		hns3_err(hw, "Number (%u) of tx descriptors is invalid",
+			    nb_desc);
+		return -EINVAL;
+	}
+
+	if (dev->data->tx_queues[idx] != NULL) {
+		hns3_tx_queue_release(dev->data->tx_queues[idx]);
+		dev->data->tx_queues[idx] = NULL;
+	}
+
+	txq = rte_zmalloc_socket("hns3 TX queue", sizeof(struct hns3_tx_queue),
+				 RTE_CACHE_LINE_SIZE, socket_id);
+	if (txq == NULL) {
+		hns3_err(hw, "Failed to allocate memory for tx queue!");
+		return -ENOMEM;
+	}
+
+	txq->nb_tx_desc = nb_desc;
+	txq->queue_id = idx;
+	txq->tx_deferred_start = conf->tx_deferred_start;
+
+	tx_entry_len = sizeof(struct hns3_entry) * txq->nb_tx_desc;
+	txq->sw_ring = rte_zmalloc_socket("hns3 TX sw ring", tx_entry_len,
+					  RTE_CACHE_LINE_SIZE, socket_id);
+	if (txq->sw_ring == NULL) {
+		hns3_err(hw, "Failed to allocate memory for tx sw ring!");
+		hns3_tx_queue_release(txq);
+		return -ENOMEM;
+	}
+
+	/* Allocate tx ring hardware descriptors. */
+	tx_desc = txq->nb_tx_desc * desc_size;
+	tx_mz = rte_eth_dma_zone_reserve(dev, "tx_ring", idx, tx_desc,
+					 HNS3_RING_BASE_ALIGN, socket_id);
+	if (tx_mz == NULL) {
+		hns3_err(hw, "Failed to reserve DMA memory for No.%d tx ring!",
+			 idx);
+		hns3_tx_queue_release(txq);
+		return -ENOMEM;
+	}
+	txq->mz = tx_mz;
+	txq->tx_ring = (struct hns3_desc *)tx_mz->addr;
+	txq->tx_ring_phys_addr = tx_mz->iova;
+
+	hns3_dbg(hw, "No.%d tx descriptors iova 0x%lx", idx,
+		 txq->tx_ring_phys_addr);
+
+	/* Clear tx bd */
+	desc = txq->tx_ring;
+	for (i = 0; i < txq->nb_tx_desc; i++) {
+		desc->tx.tp_fe_sc_vld_ra_ri = 0;
+		desc++;
+	}
+
+	txq->hns = hns;
+	txq->next_to_use = 0;
+	txq->next_to_clean = 0;
+	txq->tx_bd_ready   = txq->nb_tx_desc;
+	txq->port_id = dev->data->port_id;
+	txq->pkt_len_errors = 0;
+	txq->configured = true;
+	txq->io_base = (void *)((char *)hw->io_base + HNS3_TQP_REG_OFFSET +
+				idx * HNS3_TQP_REG_SIZE);
+	rte_spinlock_lock(&hw->lock);
+	dev->data->tx_queues[idx] = txq;
+	rte_spinlock_unlock(&hw->lock);
+
+	return 0;
+}
+
+static inline int
+tx_ring_dist(struct hns3_tx_queue *txq, int begin, int end)
+{
+	return (end - begin + txq->nb_tx_desc) % txq->nb_tx_desc;
+}
+
+static inline int
+tx_ring_space(struct hns3_tx_queue *txq)
+{
+	return txq->nb_tx_desc -
+		tx_ring_dist(txq, txq->next_to_clean, txq->next_to_use) - 1;
+}
+
+static inline void
+hns3_queue_xmit(struct hns3_tx_queue *txq, uint32_t buf_num)
+{
+	hns3_write_dev(txq, HNS3_RING_TX_TAIL_REG, buf_num);
+}
+
+static void
+hns3_tx_free_useless_buffer(struct hns3_tx_queue *txq)
+{
+	uint16_t tx_next_clean = txq->next_to_clean;
+	uint16_t tx_next_use   = txq->next_to_use;
+	uint16_t tx_bd_ready   = txq->tx_bd_ready;
+	uint16_t tx_bd_max     = txq->nb_tx_desc;
+	struct hns3_entry *tx_bak_pkt = &txq->sw_ring[tx_next_clean];
+	struct hns3_desc *desc = &txq->tx_ring[tx_next_clean];
+	struct rte_mbuf *mbuf;
+
+	while ((!hns3_get_bit(desc->tx.tp_fe_sc_vld_ra_ri, HNS3_TXD_VLD_B)) &&
+		(tx_next_use != tx_next_clean || tx_bd_ready < tx_bd_max)) {
+		mbuf = tx_bak_pkt->mbuf;
+		if (mbuf) {
+			mbuf->next = NULL;
+			rte_pktmbuf_free(mbuf);
+			tx_bak_pkt->mbuf = NULL;
+		}
+
+		desc++;
+		tx_bak_pkt++;
+		tx_next_clean++;
+		tx_bd_ready++;
+
+		if (tx_next_clean >= tx_bd_max) {
+			tx_next_clean = 0;
+			desc = txq->tx_ring;
+			tx_bak_pkt = txq->sw_ring;
+		}
+	}
+
+	txq->next_to_clean = tx_next_clean;
+	txq->tx_bd_ready   = tx_bd_ready;
+}
+
+static void
+fill_desc(struct hns3_tx_queue *txq, uint16_t tx_desc_id, struct rte_mbuf *rxm,
+	  bool first, int offset)
+{
+	struct hns3_desc *tx_ring = txq->tx_ring;
+	struct hns3_desc *desc = &tx_ring[tx_desc_id];
+	uint8_t frag_end = rxm->next == NULL ? 1 : 0;
+	uint16_t size = rxm->data_len;
+	uint16_t rrcfv = 0;
+	uint64_t ol_flags = rxm->ol_flags;
+	uint32_t hdr_len;
+	uint32_t paylen;
+	uint32_t tmp;
+
+	desc->addr = rte_mbuf_data_iova(rxm) + offset;
+	desc->tx.send_size = rte_cpu_to_le_16(size);
+	hns3_set_bit(rrcfv, HNS3_TXD_VLD_B, 1);
+
+	if (first) {
+		hdr_len = rxm->l2_len + rxm->l3_len + rxm->l4_len;
+		hdr_len += (ol_flags & PKT_TX_TUNNEL_MASK) ?
+			   rxm->outer_l2_len + rxm->outer_l3_len : 0;
+		paylen = rxm->pkt_len - hdr_len;
+		desc->tx.paylen = rte_cpu_to_le_32(paylen);
+	}
+
+	hns3_set_bit(rrcfv, HNS3_TXD_FE_B, frag_end);
+	desc->tx.tp_fe_sc_vld_ra_ri = rte_cpu_to_le_16(rrcfv);
+
+	if (frag_end) {
+		if (ol_flags & (PKT_TX_VLAN_PKT | PKT_TX_QINQ_PKT)) {
+			tmp = rte_le_to_cpu_32(desc->tx.type_cs_vlan_tso_len);
+			hns3_set_bit(tmp, HNS3_TXD_VLAN_B, 1);
+			desc->tx.type_cs_vlan_tso_len = rte_cpu_to_le_32(tmp);
+			desc->tx.vlan_tag = rte_cpu_to_le_16(rxm->vlan_tci);
+		}
+
+		if (ol_flags & PKT_TX_QINQ_PKT) {
+			tmp = rte_le_to_cpu_32(desc->tx.ol_type_vlan_len_msec);
+			hns3_set_bit(tmp, HNS3_TXD_OVLAN_B, 1);
+			desc->tx.ol_type_vlan_len_msec = rte_cpu_to_le_32(tmp);
+			desc->tx.outer_vlan_tag =
+				rte_cpu_to_le_16(rxm->vlan_tci_outer);
+		}
+	}
+}
+
+static int
+hns3_tx_alloc_mbufs(struct hns3_tx_queue *txq, struct rte_mempool *mb_pool,
+		    uint16_t nb_new_buf, struct rte_mbuf **alloc_mbuf)
+{
+	struct rte_mbuf *new_mbuf = NULL;
+	struct rte_eth_dev *dev;
+	struct rte_mbuf *temp;
+	struct hns3_hw *hw;
+	uint16_t i;
+
+	/* Allocate enough mbufs */
+	for (i = 0; i < nb_new_buf; i++) {
+		temp = rte_pktmbuf_alloc(mb_pool);
+		if (unlikely(temp == NULL)) {
+			dev = &rte_eth_devices[txq->port_id];
+			hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+			hns3_err(hw, "Failed to alloc TX mbuf port_id=%d,"
+				     "queue_id=%d in reassemble tx pkts.",
+				     txq->port_id, txq->queue_id);
+			rte_pktmbuf_free(new_mbuf);
+			return -ENOMEM;
+		}
+		temp->next = new_mbuf;
+		new_mbuf = temp;
+	}
+
+	if (new_mbuf == NULL)
+		return -ENOMEM;
+
+	new_mbuf->nb_segs = nb_new_buf;
+	*alloc_mbuf = new_mbuf;
+
+	return 0;
+}
+
+static int
+hns3_reassemble_tx_pkts(void *tx_queue, struct rte_mbuf *tx_pkt,
+			struct rte_mbuf **new_pkt)
+{
+	struct hns3_tx_queue *txq = tx_queue;
+	struct rte_mempool *mb_pool;
+	struct rte_mbuf *new_mbuf;
+	struct rte_mbuf *temp_new;
+	struct rte_mbuf *temp;
+	uint16_t last_buf_len;
+	uint16_t nb_new_buf;
+	uint16_t buf_size;
+	uint16_t buf_len;
+	uint16_t len_s;
+	uint16_t len_d;
+	uint16_t len;
+	uint16_t i;
+	int ret;
+	char *s;
+	char *d;
+
+	mb_pool = tx_pkt->pool;
+	buf_size = tx_pkt->buf_len - RTE_PKTMBUF_HEADROOM;
+	nb_new_buf = (tx_pkt->pkt_len - 1) / buf_size + 1;
+
+	last_buf_len = tx_pkt->pkt_len % buf_size;
+	if (last_buf_len == 0)
+		last_buf_len = buf_size;
+
+	/* Allocate enough mbufs */
+	ret = hns3_tx_alloc_mbufs(txq, mb_pool, nb_new_buf, &new_mbuf);
+	if (ret)
+		return ret;
+
+	/* Copy the original packet content to the new mbufs */
+	temp = tx_pkt;
+	s = rte_pktmbuf_mtod(temp, char *);
+	len_s = temp->data_len;
+	temp_new = new_mbuf;
+	for (i = 0; i < nb_new_buf; i++) {
+		d = rte_pktmbuf_mtod(temp_new, char *);
+		if (i < nb_new_buf - 1)
+			buf_len = buf_size;
+		else
+			buf_len = last_buf_len;
+		len_d = buf_len;
+
+		while (len_d) {
+			len = RTE_MIN(len_s, len_d);
+			memcpy(d, s, len);
+			s = s + len;
+			d = d + len;
+			len_d = len_d - len;
+			len_s = len_s - len;
+
+			if (len_s == 0) {
+				temp = temp->next;
+				if (temp == NULL)
+					break;
+				s = rte_pktmbuf_mtod(temp, char *);
+				len_s = temp->data_len;
+			}
+		}
+
+		temp_new->data_len = buf_len;
+		temp_new = temp_new->next;
+	}
+
+	/* free original mbufs */
+	rte_pktmbuf_free(tx_pkt);
+
+	*new_pkt = new_mbuf;
+
+	return 0;
+}
+
+static void
+hns3_parse_outer_params(uint64_t ol_flags, uint32_t *ol_type_vlan_len_msec)
+{
+	uint32_t tmp = *ol_type_vlan_len_msec;
+
+	/* (outer) IP header type */
+	if (ol_flags & PKT_TX_OUTER_IPV4) {
+		/* OL3 header size, defined in 4 bytes */
+		hns3_set_field(tmp, HNS3_TXD_L3LEN_M, HNS3_TXD_L3LEN_S,
+			       sizeof(struct rte_ipv4_hdr) >> HNS3_L3_LEN_UNIT);
+		if (ol_flags & PKT_TX_OUTER_IP_CKSUM)
+			hns3_set_field(tmp, HNS3_TXD_OL3T_M,
+				       HNS3_TXD_OL3T_S, HNS3_OL3T_IPV4_CSUM);
+		else
+			hns3_set_field(tmp, HNS3_TXD_OL3T_M, HNS3_TXD_OL3T_S,
+				       HNS3_OL3T_IPV4_NO_CSUM);
+	} else if (ol_flags & PKT_TX_OUTER_IPV6) {
+		hns3_set_field(tmp, HNS3_TXD_OL3T_M, HNS3_TXD_OL3T_S,
+			       HNS3_OL3T_IPV6);
+		/* OL3 header size, defined in 4 bytes */
+		hns3_set_field(tmp, HNS3_TXD_L3LEN_M, HNS3_TXD_L3LEN_S,
+			       sizeof(struct rte_ipv6_hdr) >> HNS3_L3_LEN_UNIT);
+	}
+
+	*ol_type_vlan_len_msec = tmp;
+}
+
+static int
+hns3_parse_inner_params(uint64_t ol_flags, uint32_t *ol_type_vlan_len_msec,
+			struct rte_net_hdr_lens *hdr_lens)
+{
+	uint32_t tmp = *ol_type_vlan_len_msec;
+	uint8_t l4_len;
+
+	/* OL2 header size, defined in 2 bytes */
+	hns3_set_field(tmp, HNS3_TXD_L2LEN_M, HNS3_TXD_L2LEN_S,
+		       sizeof(struct rte_ether_hdr) >> HNS3_L2_LEN_UNIT);
+
+	/* L4TUNT: L4 Tunneling Type */
+	switch (ol_flags & PKT_TX_TUNNEL_MASK) {
+	case PKT_TX_TUNNEL_GENEVE:
+	case PKT_TX_TUNNEL_VXLAN:
+		/* MAC in UDP tunnelling packet, include VxLAN */
+		hns3_set_field(tmp, HNS3_TXD_TUNTYPE_M, HNS3_TXD_TUNTYPE_S,
+			       HNS3_TUN_MAC_IN_UDP);
+		/*
+		 * OL4 header size, defined in 4 Bytes, it contains outer
+		 * L4(UDP) length and tunneling length.
+		 */
+		hns3_set_field(tmp, HNS3_TXD_L4LEN_M, HNS3_TXD_L4LEN_S,
+			       (uint8_t)RTE_ETHER_VXLAN_HLEN >>
+			       HNS3_L4_LEN_UNIT);
+		break;
+	case PKT_TX_TUNNEL_GRE:
+		hns3_set_field(tmp, HNS3_TXD_TUNTYPE_M, HNS3_TXD_TUNTYPE_S,
+			       HNS3_TUN_NVGRE);
+		/*
+		 * OL4 header size, defined in 4 Bytes, it contains outer
+		 * L4(GRE) length and tunneling length.
+		 */
+		l4_len = hdr_lens->l4_len + hdr_lens->tunnel_len;
+		hns3_set_field(tmp, HNS3_TXD_L4LEN_M, HNS3_TXD_L4LEN_S,
+			       l4_len >> HNS3_L4_LEN_UNIT);
+		break;
+	default:
+		/* For non UDP / GRE tunneling, drop the tunnel packet */
+		return -EINVAL;
+	}
+
+	*ol_type_vlan_len_msec = tmp;
+
+	return 0;
+}
+
+static int
+hns3_parse_tunneling_params(struct hns3_tx_queue *txq, uint16_t tx_desc_id,
+			    uint64_t ol_flags,
+			    struct rte_net_hdr_lens *hdr_lens)
+{
+	struct hns3_desc *tx_ring = txq->tx_ring;
+	struct hns3_desc *desc = &tx_ring[tx_desc_id];
+	uint32_t value = 0;
+	int ret;
+
+	hns3_parse_outer_params(ol_flags, &value);
+	ret = hns3_parse_inner_params(ol_flags, &value, hdr_lens);
+	if (ret)
+		return -EINVAL;
+
+	desc->tx.ol_type_vlan_len_msec |= rte_cpu_to_le_32(value);
+
+	return 0;
+}
+
+static void
+hns3_parse_l3_cksum_params(uint64_t ol_flags, uint32_t *type_cs_vlan_tso_len)
+{
+	uint32_t tmp;
+
+	/* Enable L3 checksum offloads */
+	if (ol_flags & PKT_TX_IPV4) {
+		tmp = *type_cs_vlan_tso_len;
+		hns3_set_field(tmp, HNS3_TXD_L3T_M, HNS3_TXD_L3T_S,
+			       HNS3_L3T_IPV4);
+		/* inner(/normal) L3 header size, defined in 4 bytes */
+		hns3_set_field(tmp, HNS3_TXD_L3LEN_M, HNS3_TXD_L3LEN_S,
+			       sizeof(struct rte_ipv4_hdr) >> HNS3_L3_LEN_UNIT);
+		if (ol_flags & PKT_TX_IP_CKSUM)
+			hns3_set_bit(tmp, HNS3_TXD_L3CS_B, 1);
+		*type_cs_vlan_tso_len = tmp;
+	} else if (ol_flags & PKT_TX_IPV6) {
+		tmp = *type_cs_vlan_tso_len;
+		/* L3T, IPv6 don't do checksum */
+		hns3_set_field(tmp, HNS3_TXD_L3T_M, HNS3_TXD_L3T_S,
+			       HNS3_L3T_IPV6);
+		/* inner(/normal) L3 header size, defined in 4 bytes */
+		hns3_set_field(tmp, HNS3_TXD_L3LEN_M, HNS3_TXD_L3LEN_S,
+			       sizeof(struct rte_ipv6_hdr) >> HNS3_L3_LEN_UNIT);
+		*type_cs_vlan_tso_len = tmp;
+	}
+}
+
+static void
+hns3_parse_l4_cksum_params(uint64_t ol_flags, uint32_t *type_cs_vlan_tso_len)
+{
+	uint32_t tmp;
+
+	/* Enable L4 checksum offloads */
+	switch (ol_flags & PKT_TX_L4_MASK) {
+	case PKT_TX_TCP_CKSUM:
+		tmp = *type_cs_vlan_tso_len;
+		hns3_set_field(tmp, HNS3_TXD_L4T_M, HNS3_TXD_L4T_S,
+			       HNS3_L4T_TCP);
+		hns3_set_bit(tmp, HNS3_TXD_L4CS_B, 1);
+		hns3_set_field(tmp, HNS3_TXD_L4LEN_M, HNS3_TXD_L4LEN_S,
+			       sizeof(struct rte_tcp_hdr) >> HNS3_L4_LEN_UNIT);
+		*type_cs_vlan_tso_len = tmp;
+		break;
+	case PKT_TX_UDP_CKSUM:
+		tmp = *type_cs_vlan_tso_len;
+		hns3_set_field(tmp, HNS3_TXD_L4T_M, HNS3_TXD_L4T_S,
+			       HNS3_L4T_UDP);
+		hns3_set_bit(tmp, HNS3_TXD_L4CS_B, 1);
+		hns3_set_field(tmp, HNS3_TXD_L4LEN_M, HNS3_TXD_L4LEN_S,
+			       sizeof(struct rte_udp_hdr) >> HNS3_L4_LEN_UNIT);
+		*type_cs_vlan_tso_len = tmp;
+		break;
+	case PKT_TX_SCTP_CKSUM:
+		tmp = *type_cs_vlan_tso_len;
+		hns3_set_field(tmp, HNS3_TXD_L4T_M, HNS3_TXD_L4T_S,
+			       HNS3_L4T_SCTP);
+		hns3_set_bit(tmp, HNS3_TXD_L4CS_B, 1);
+		hns3_set_field(tmp, HNS3_TXD_L4LEN_M, HNS3_TXD_L4LEN_S,
+			       sizeof(struct rte_sctp_hdr) >> HNS3_L4_LEN_UNIT);
+		*type_cs_vlan_tso_len = tmp;
+		break;
+	default:
+		break;
+	}
+}
+
+static void
+hns3_txd_enable_checksum(struct hns3_tx_queue *txq, uint16_t tx_desc_id,
+			 uint64_t ol_flags)
+{
+	struct hns3_desc *tx_ring = txq->tx_ring;
+	struct hns3_desc *desc = &tx_ring[tx_desc_id];
+	uint32_t value = 0;
+
+	/* inner(/normal) L2 header size, defined in 2 bytes */
+	hns3_set_field(value, HNS3_TXD_L2LEN_M, HNS3_TXD_L2LEN_S,
+		       sizeof(struct rte_ether_hdr) >> HNS3_L2_LEN_UNIT);
+
+	hns3_parse_l3_cksum_params(ol_flags, &value);
+	hns3_parse_l4_cksum_params(ol_flags, &value);
+
+	desc->tx.type_cs_vlan_tso_len |= rte_cpu_to_le_32(value);
+}
+
+uint16_t
+hns3_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
+	       uint16_t nb_pkts)
+{
+	struct rte_mbuf *m;
+	uint16_t i;
+	int ret;
+
+	for (i = 0; i < nb_pkts; i++) {
+		m = tx_pkts[i];
+
+		/* check the size of packet */
+		if (m->pkt_len < HNS3_MIN_FRAME_LEN) {
+			rte_errno = EINVAL;
+			return i;
+		}
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+		ret = rte_validate_tx_offload(m);
+		if (ret != 0) {
+			rte_errno = -ret;
+			return i;
+		}
+#endif
+		ret = rte_net_intel_cksum_prepare(m);
+		if (ret != 0) {
+			rte_errno = -ret;
+			return i;
+		}
+	}
+
+	return i;
+}
+
+static int
+hns3_parse_cksum(struct hns3_tx_queue *txq, uint16_t tx_desc_id,
+		 const struct rte_mbuf *m, struct rte_net_hdr_lens *hdr_lens)
+{
+	/* Fill in tunneling parameters if necessary */
+	if (m->ol_flags & PKT_TX_TUNNEL_MASK) {
+		(void)rte_net_get_ptype(m, hdr_lens, RTE_PTYPE_ALL_MASK);
+		if (hns3_parse_tunneling_params(txq, tx_desc_id, m->ol_flags,
+						hdr_lens))
+			return -EINVAL;
+	}
+	/* Enable checksum offloading */
+	if (m->ol_flags & HNS3_TX_CKSUM_OFFLOAD_MASK)
+		hns3_txd_enable_checksum(txq, tx_desc_id, m->ol_flags);
+
+	return 0;
+}
+
+uint16_t
+hns3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
+{
+	struct rte_net_hdr_lens hdr_lens = {0};
+	struct hns3_tx_queue *txq = tx_queue;
+	struct hns3_entry *tx_bak_pkt;
+	struct rte_mbuf *new_pkt;
+	struct rte_mbuf *tx_pkt;
+	struct rte_mbuf *m_seg;
+	struct rte_mbuf *temp;
+	uint32_t nb_hold = 0;
+	uint16_t tx_next_clean;
+	uint16_t tx_next_use;
+	uint16_t tx_bd_ready;
+	uint16_t tx_pkt_num;
+	uint16_t tx_bd_max;
+	uint16_t nb_buf;
+	uint16_t nb_tx;
+	uint16_t i;
+
+	/* free useless buffer */
+	hns3_tx_free_useless_buffer(txq);
+	tx_bd_ready = txq->tx_bd_ready;
+	if (tx_bd_ready == 0)
+		return 0;
+
+	tx_next_clean = txq->next_to_clean;
+	tx_next_use   = txq->next_to_use;
+	tx_bd_max     = txq->nb_tx_desc;
+	tx_bak_pkt = &txq->sw_ring[tx_next_clean];
+
+	tx_pkt_num = (tx_bd_ready < nb_pkts) ? tx_bd_ready : nb_pkts;
+
+	/* send packets */
+	tx_bak_pkt = &txq->sw_ring[tx_next_use];
+	for (nb_tx = 0; nb_tx < tx_pkt_num; nb_tx++) {
+		tx_pkt = *tx_pkts++;
+
+		nb_buf = tx_pkt->nb_segs;
+
+		if (nb_buf > tx_ring_space(txq)) {
+			if (nb_tx == 0)
+				return 0;
+
+			goto end_of_tx;
+		}
+
+		/*
+		 * If the length of the packet is too long or zero, the packet
+		 * will be ignored.
+		 */
+		if (unlikely(tx_pkt->pkt_len > HNS3_MAX_FRAME_LEN ||
+			     tx_pkt->pkt_len == 0)) {
+			txq->pkt_len_errors++;
+			continue;
+		}
+
+		m_seg = tx_pkt;
+		if (unlikely(nb_buf > HNS3_MAX_TX_BD_PER_PKT)) {
+			if (hns3_reassemble_tx_pkts(txq, tx_pkt, &new_pkt))
+				goto end_of_tx;
+			m_seg = new_pkt;
+			nb_buf = m_seg->nb_segs;
+		}
+
+		if (hns3_parse_cksum(txq, tx_next_use, m_seg, &hdr_lens))
+			goto end_of_tx;
+
+		i = 0;
+		do {
+			fill_desc(txq, tx_next_use, m_seg, (i == 0), 0);
+			temp = m_seg->next;
+			tx_bak_pkt->mbuf = m_seg;
+			m_seg = temp;
+			tx_next_use++;
+			tx_bak_pkt++;
+			if (tx_next_use >= tx_bd_max) {
+				tx_next_use = 0;
+				tx_bak_pkt = txq->sw_ring;
+			}
+
+			i++;
+		} while (m_seg != NULL);
+
+		nb_hold += i;
+	}
+
+end_of_tx:
+
+	if (likely(nb_tx)) {
+		hns3_queue_xmit(txq, nb_hold);
+		txq->next_to_clean = tx_next_clean;
+		txq->next_to_use   = tx_next_use;
+		txq->tx_bd_ready   = tx_bd_ready - nb_hold;
+	}
+
+	return nb_tx;
+}
+
+void hns3_set_rxtx_function(struct rte_eth_dev *eth_dev)
+{
+	eth_dev->rx_pkt_burst = hns3_recv_pkts;
+	eth_dev->tx_pkt_burst = hns3_xmit_pkts;
+	eth_dev->tx_pkt_prepare = hns3_prep_pkts;
+}
diff --git a/drivers/net/hns3/hns3_rxtx.h b/drivers/net/hns3/hns3_rxtx.h
new file mode 100644
index 0000000..358f129
--- /dev/null
+++ b/drivers/net/hns3/hns3_rxtx.h
@@ -0,0 +1,317 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018-2019 Hisilicon Limited.
+ */
+
+#ifndef _HNS3_RXTX_H_
+#define _HNS3_RXTX_H_
+
+#define	HNS3_MIN_RING_DESC	32
+#define	HNS3_MAX_RING_DESC	32768
+#define HNS3_DEFAULT_RING_DESC  1024
+#define	HNS3_ALIGN_RING_DESC	32
+#define HNS3_RING_BASE_ALIGN	128
+
+#define HNS3_BD_SIZE_512_TYPE			0
+#define HNS3_BD_SIZE_1024_TYPE			1
+#define HNS3_BD_SIZE_2048_TYPE			2
+#define HNS3_BD_SIZE_4096_TYPE			3
+
+#define HNS3_RX_FLAG_VLAN_PRESENT		0x1
+#define HNS3_RX_FLAG_L3ID_IPV4			0x0
+#define HNS3_RX_FLAG_L3ID_IPV6			0x1
+#define HNS3_RX_FLAG_L4ID_UDP			0x0
+#define HNS3_RX_FLAG_L4ID_TCP			0x1
+
+#define HNS3_RXD_DMAC_S				0
+#define HNS3_RXD_DMAC_M				(0x3 << HNS3_RXD_DMAC_S)
+#define HNS3_RXD_VLAN_S				2
+#define HNS3_RXD_VLAN_M				(0x3 << HNS3_RXD_VLAN_S)
+#define HNS3_RXD_L3ID_S				4
+#define HNS3_RXD_L3ID_M				(0xf << HNS3_RXD_L3ID_S)
+#define HNS3_RXD_L4ID_S				8
+#define HNS3_RXD_L4ID_M				(0xf << HNS3_RXD_L4ID_S)
+#define HNS3_RXD_FRAG_B				12
+#define HNS3_RXD_STRP_TAGP_S			13
+#define HNS3_RXD_STRP_TAGP_M			(0x3 << HNS3_RXD_STRP_TAGP_S)
+
+#define HNS3_RXD_L2E_B				16
+#define HNS3_RXD_L3E_B				17
+#define HNS3_RXD_L4E_B				18
+#define HNS3_RXD_TRUNCAT_B			19
+#define HNS3_RXD_HOI_B				20
+#define HNS3_RXD_DOI_B				21
+#define HNS3_RXD_OL3E_B				22
+#define HNS3_RXD_OL4E_B				23
+#define HNS3_RXD_GRO_COUNT_S			24
+#define HNS3_RXD_GRO_COUNT_M			(0x3f << HNS3_RXD_GRO_COUNT_S)
+#define HNS3_RXD_GRO_FIXID_B			30
+#define HNS3_RXD_GRO_ECN_B			31
+
+#define HNS3_RXD_ODMAC_S			0
+#define HNS3_RXD_ODMAC_M			(0x3 << HNS3_RXD_ODMAC_S)
+#define HNS3_RXD_OVLAN_S			2
+#define HNS3_RXD_OVLAN_M			(0x3 << HNS3_RXD_OVLAN_S)
+#define HNS3_RXD_OL3ID_S			4
+#define HNS3_RXD_OL3ID_M			(0xf << HNS3_RXD_OL3ID_S)
+#define HNS3_RXD_OL4ID_S			8
+#define HNS3_RXD_OL4ID_M			(0xf << HNS3_RXD_OL4ID_S)
+#define HNS3_RXD_FBHI_S				12
+#define HNS3_RXD_FBHI_M				(0x3 << HNS3_RXD_FBHI_S)
+#define HNS3_RXD_FBLI_S				14
+#define HNS3_RXD_FBLI_M				(0x3 << HNS3_RXD_FBLI_S)
+
+#define HNS3_RXD_BDTYPE_S			0
+#define HNS3_RXD_BDTYPE_M			(0xf << HNS3_RXD_BDTYPE_S)
+#define HNS3_RXD_VLD_B				4
+#define HNS3_RXD_UDP0_B				5
+#define HNS3_RXD_EXTEND_B			7
+#define HNS3_RXD_FE_B				8
+#define HNS3_RXD_LUM_B				9
+#define HNS3_RXD_CRCP_B				10
+#define HNS3_RXD_L3L4P_B			11
+#define HNS3_RXD_TSIND_S			12
+#define HNS3_RXD_TSIND_M			(0x7 << HNS3_RXD_TSIND_S)
+#define HNS3_RXD_LKBK_B				15
+#define HNS3_RXD_GRO_SIZE_S			16
+#define HNS3_RXD_GRO_SIZE_M			(0x3ff << HNS3_RXD_GRO_SIZE_S)
+
+#define HNS3_TXD_L3T_S				0
+#define HNS3_TXD_L3T_M				(0x3 << HNS3_TXD_L3T_S)
+#define HNS3_TXD_L4T_S				2
+#define HNS3_TXD_L4T_M				(0x3 << HNS3_TXD_L4T_S)
+#define HNS3_TXD_L3CS_B				4
+#define HNS3_TXD_L4CS_B				5
+#define HNS3_TXD_VLAN_B				6
+#define HNS3_TXD_TSO_B				7
+
+#define HNS3_TXD_L2LEN_S			8
+#define HNS3_TXD_L2LEN_M			(0xff << HNS3_TXD_L2LEN_S)
+#define HNS3_TXD_L3LEN_S			16
+#define HNS3_TXD_L3LEN_M			(0xff << HNS3_TXD_L3LEN_S)
+#define HNS3_TXD_L4LEN_S			24
+#define HNS3_TXD_L4LEN_M			(0xffUL << HNS3_TXD_L4LEN_S)
+
+#define HNS3_TXD_OL3T_S				0
+#define HNS3_TXD_OL3T_M				(0x3 << HNS3_TXD_OL3T_S)
+#define HNS3_TXD_OVLAN_B			2
+#define HNS3_TXD_MACSEC_B			3
+#define HNS3_TXD_TUNTYPE_S			4
+#define HNS3_TXD_TUNTYPE_M			(0xf << HNS3_TXD_TUNTYPE_S)
+
+#define HNS3_TXD_BDTYPE_S			0
+#define HNS3_TXD_BDTYPE_M			(0xf << HNS3_TXD_BDTYPE_S)
+#define HNS3_TXD_FE_B				4
+#define HNS3_TXD_SC_S				5
+#define HNS3_TXD_SC_M				(0x3 << HNS3_TXD_SC_S)
+#define HNS3_TXD_EXTEND_B			7
+#define HNS3_TXD_VLD_B				8
+#define HNS3_TXD_RI_B				9
+#define HNS3_TXD_RA_B				10
+#define HNS3_TXD_TSYN_B				11
+#define HNS3_TXD_DECTTL_S			12
+#define HNS3_TXD_DECTTL_M			(0xf << HNS3_TXD_DECTTL_S)
+
+#define HNS3_TXD_MSS_S				0
+#define HNS3_TXD_MSS_M				(0x3fff << HNS3_TXD_MSS_S)
+
+#define HNS3_L2_LEN_UNIT			1UL
+#define HNS3_L3_LEN_UNIT			2UL
+#define HNS3_L4_LEN_UNIT			2UL
+
+enum hns3_pkt_l2t_type {
+	HNS3_L2_TYPE_UNICAST,
+	HNS3_L2_TYPE_MULTICAST,
+	HNS3_L2_TYPE_BROADCAST,
+	HNS3_L2_TYPE_INVALID,
+};
+
+enum hns3_pkt_l3t_type {
+	HNS3_L3T_NONE,
+	HNS3_L3T_IPV6,
+	HNS3_L3T_IPV4,
+	HNS3_L3T_RESERVED
+};
+
+enum hns3_pkt_l4t_type {
+	HNS3_L4T_UNKNOWN,
+	HNS3_L4T_TCP,
+	HNS3_L4T_UDP,
+	HNS3_L4T_SCTP
+};
+
+enum hns3_pkt_ol3t_type {
+	HNS3_OL3T_NONE,
+	HNS3_OL3T_IPV6,
+	HNS3_OL3T_IPV4_NO_CSUM,
+	HNS3_OL3T_IPV4_CSUM
+};
+
+enum hns3_pkt_tun_type {
+	HNS3_TUN_NONE,
+	HNS3_TUN_MAC_IN_UDP,
+	HNS3_TUN_NVGRE,
+	HNS3_TUN_OTHER
+};
+
+/* hardware spec ring buffer format */
+struct hns3_desc {
+	union {
+		uint64_t addr;
+		struct {
+			uint32_t addr0;
+			uint32_t addr1;
+		};
+	};
+	union {
+		struct {
+			uint16_t vlan_tag;
+			uint16_t send_size;
+			union {
+				/*
+				 * L3T | L4T | L3CS | L4CS | VLAN | TSO |
+				 * L2_LEN
+				 */
+				uint32_t type_cs_vlan_tso_len;
+				struct {
+					uint8_t type_cs_vlan_tso;
+					uint8_t l2_len;
+					uint8_t l3_len;
+					uint8_t l4_len;
+				};
+			};
+			uint16_t outer_vlan_tag;
+			uint16_t tv;
+			union {
+				/* OL3T | OVALAN | MACSEC */
+				uint32_t ol_type_vlan_len_msec;
+				struct {
+					uint8_t ol_type_vlan_msec;
+					uint8_t ol2_len;
+					uint8_t ol3_len;
+					uint8_t ol4_len;
+				};
+			};
+
+			uint32_t paylen;
+			uint16_t tp_fe_sc_vld_ra_ri;
+			uint16_t mss;
+		} tx;
+
+		struct {
+			uint32_t l234_info;
+			uint16_t pkt_len;
+			uint16_t size;
+			uint32_t rss_hash;
+			uint16_t fd_id;
+			uint16_t vlan_tag;
+			union {
+				uint32_t ol_info;
+				struct {
+					uint16_t o_dm_vlan_id_fb;
+					uint16_t ot_vlan_tag;
+				};
+			};
+			uint32_t bd_base_info;
+		} rx;
+	};
+} __rte_packed;
+
+struct hns3_entry {
+	struct rte_mbuf *mbuf;
+};
+
+struct hns3_rx_queue {
+	void *io_base;
+	struct hns3_adapter *hns;
+	struct rte_mempool *mb_pool;
+	struct hns3_desc *rx_ring;
+	uint64_t rx_ring_phys_addr; /* RX ring DMA address */
+	const struct rte_memzone *mz;
+	struct hns3_entry *sw_ring;
+
+	struct rte_mbuf *pkt_first_seg;
+	struct rte_mbuf *pkt_last_seg;
+
+	uint16_t queue_id;
+	uint16_t port_id;
+	uint16_t nb_rx_desc;
+	uint16_t nb_rx_hold;
+	uint16_t rx_tail;
+	uint16_t next_to_clean;
+	uint16_t next_to_use;
+	uint16_t rx_buf_len;
+	uint16_t rx_free_thresh;
+
+	bool rx_deferred_start; /* don't start this queue in dev start */
+	bool configured;        /* indicate if rx queue has been configured */
+
+	uint64_t non_vld_descs; /* num of non valid rx descriptors */
+	uint64_t l2_errors;
+	uint64_t pkt_len_errors;
+	uint64_t l3_csum_erros;
+	uint64_t l4_csum_erros;
+	uint64_t ol3_csum_erros;
+	uint64_t ol4_csum_erros;
+	uint64_t errors;        /* num of error rx packets recorded by driver */
+};
+
+struct hns3_tx_queue {
+	void *io_base;
+	struct hns3_adapter *hns;
+	struct hns3_desc *tx_ring;
+	uint64_t tx_ring_phys_addr; /* TX ring DMA address */
+	const struct rte_memzone *mz;
+	struct hns3_entry *sw_ring;
+
+	uint16_t queue_id;
+	uint16_t port_id;
+	uint16_t nb_tx_desc;
+	uint16_t next_to_clean;
+	uint16_t next_to_use;
+	uint16_t tx_bd_ready;
+
+	bool tx_deferred_start; /* don't start this queue in dev start */
+	bool configured;        /* indicate if tx queue has been configured */
+
+	uint64_t pkt_len_errors;
+};
+
+#define HNS3_TX_CKSUM_OFFLOAD_MASK ( \
+	PKT_TX_OUTER_IPV6 | \
+	PKT_TX_OUTER_IPV4 | \
+	PKT_TX_OUTER_IP_CKSUM | \
+	PKT_TX_IPV6 | \
+	PKT_TX_IPV4 | \
+	PKT_TX_IP_CKSUM | \
+	PKT_TX_L4_MASK | \
+	PKT_TX_TUNNEL_MASK)
+
+enum hns3_cksum_status {
+	HNS3_CKSUM_NONE = 0,
+	HNS3_L3_CKSUM_ERR = 1,
+	HNS3_L4_CKSUM_ERR = 2,
+	HNS3_OUTER_L3_CKSUM_ERR = 4,
+	HNS3_OUTER_L4_CKSUM_ERR = 8
+};
+
+void hns3_dev_rx_queue_release(void *queue);
+void hns3_dev_tx_queue_release(void *queue);
+void hns3_free_all_queues(struct rte_eth_dev *dev);
+int hns3_reset_all_queues(struct hns3_adapter *hns);
+int hns3_start_queues(struct hns3_adapter *hns, bool reset_queue);
+int hns3_stop_queues(struct hns3_adapter *hns, bool reset_queue);
+void hns3_dev_release_mbufs(struct hns3_adapter *hns);
+int hns3_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t nb_desc,
+			unsigned int socket, const struct rte_eth_rxconf *conf,
+			struct rte_mempool *mp);
+int hns3_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t nb_desc,
+			unsigned int socket, const struct rte_eth_txconf *conf);
+uint16_t hns3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
+			uint16_t nb_pkts);
+uint16_t hns3_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
+			uint16_t nb_pkts);
+uint16_t hns3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+			uint16_t nb_pkts);
+const uint32_t *hns3_dev_supported_ptypes_get(struct rte_eth_dev *dev);
+void hns3_set_rxtx_function(struct rte_eth_dev *eth_dev);
+#endif /* _HNS3_RXTX_H_ */
diff --git a/drivers/net/hns3/meson.build b/drivers/net/hns3/meson.build
index 4a70992..1d8b1b1 100644
--- a/drivers/net/hns3/meson.build
+++ b/drivers/net/hns3/meson.build
@@ -21,5 +21,6 @@ sources = files('hns3_cmd.c',
 	'hns3_flow.c',
 	'hns3_mbx.c',
 	'hns3_rss.c',
+	'hns3_rxtx.c',
 	)
 deps += ['hash']
-- 
2.7.4