text: /* SPDX-License-Identifier: BSD-3-Clause
   * Copyright(c) 2018-2019 Hisilicon Limited.
   */
  
  #include <rte_alarm.h>
  #include <rte_bus_pci.h>
  #include <rte_ethdev_pci.h>
  #include <rte_pci.h>
  
  #include "hns3_ethdev.h"
  #include "hns3_logs.h"
  #include "hns3_rxtx.h"
  #include "hns3_intr.h"
  #include "hns3_regs.h"
  #include "hns3_dcb.h"
  #include "hns3_mp.h"
  
  #define HNS3_DEFAULT_PORT_CONF_BURST_SIZE	32
  #define HNS3_DEFAULT_PORT_CONF_QUEUES_NUM	1
  
  #define HNS3_SERVICE_INTERVAL		1000000 /* us */
  #define HNS3_INVALID_PVID		0xFFFF
  
  #define HNS3_FILTER_TYPE_VF		0
  #define HNS3_FILTER_TYPE_PORT		1
  #define HNS3_FILTER_FE_EGRESS_V1_B	BIT(0)
  #define HNS3_FILTER_FE_NIC_INGRESS_B	BIT(0)
  #define HNS3_FILTER_FE_NIC_EGRESS_B	BIT(1)
  #define HNS3_FILTER_FE_ROCE_INGRESS_B	BIT(2)
  #define HNS3_FILTER_FE_ROCE_EGRESS_B	BIT(3)
  #define HNS3_FILTER_FE_EGRESS		(HNS3_FILTER_FE_NIC_EGRESS_B \
  					| HNS3_FILTER_FE_ROCE_EGRESS_B)
  #define HNS3_FILTER_FE_INGRESS		(HNS3_FILTER_FE_NIC_INGRESS_B \
  					| HNS3_FILTER_FE_ROCE_INGRESS_B)
  
  /* Reset related Registers */
  #define HNS3_GLOBAL_RESET_BIT		0
  #define HNS3_CORE_RESET_BIT		1
  #define HNS3_IMP_RESET_BIT		2
  #define HNS3_FUN_RST_ING_B		0
  
  #define HNS3_VECTOR0_IMP_RESET_INT_B	1
  #define HNS3_VECTOR0_IMP_CMDQ_ERR_B	4U
  #define HNS3_VECTOR0_IMP_RD_POISON_B	5U
  #define HNS3_VECTOR0_ALL_MSIX_ERR_B	6U
  
  #define HNS3_RESET_WAIT_MS	100
  #define HNS3_RESET_WAIT_CNT	200
  
  /* FEC mode order defined in HNS3 hardware */
  #define HNS3_HW_FEC_MODE_NOFEC  0
  #define HNS3_HW_FEC_MODE_BASER  1
  #define HNS3_HW_FEC_MODE_RS     2
  
  enum hns3_evt_cause {
  	HNS3_VECTOR0_EVENT_RST,
  	HNS3_VECTOR0_EVENT_MBX,
  	HNS3_VECTOR0_EVENT_ERR,
  	HNS3_VECTOR0_EVENT_OTHER,
  };
  
  static const struct rte_eth_fec_capa speed_fec_capa_tbl[] = {
  	{ ETH_SPEED_NUM_10G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
  			     RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
  			     RTE_ETH_FEC_MODE_CAPA_MASK(BASER) },
  
  	{ ETH_SPEED_NUM_25G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
  			     RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
  			     RTE_ETH_FEC_MODE_CAPA_MASK(BASER) |
  			     RTE_ETH_FEC_MODE_CAPA_MASK(RS) },
  
  	{ ETH_SPEED_NUM_40G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
  			     RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
  			     RTE_ETH_FEC_MODE_CAPA_MASK(BASER) },
  
  	{ ETH_SPEED_NUM_50G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
  			     RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
  			     RTE_ETH_FEC_MODE_CAPA_MASK(BASER) |
  			     RTE_ETH_FEC_MODE_CAPA_MASK(RS) },
  
  	{ ETH_SPEED_NUM_100G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
  			      RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
  			      RTE_ETH_FEC_MODE_CAPA_MASK(RS) },
  
  	{ ETH_SPEED_NUM_200G, RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC) |
  			      RTE_ETH_FEC_MODE_CAPA_MASK(AUTO) |
  			      RTE_ETH_FEC_MODE_CAPA_MASK(RS) }
  };
  
  static enum hns3_reset_level hns3_get_reset_level(struct hns3_adapter *hns,
  						 uint64_t *levels);
  static int hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
  static int hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid,
  				    int on);
  static int hns3_update_speed_duplex(struct rte_eth_dev *eth_dev);
  
  static int hns3_add_mc_addr(struct hns3_hw *hw,
  			    struct rte_ether_addr *mac_addr);
  static int hns3_remove_mc_addr(struct hns3_hw *hw,
  			    struct rte_ether_addr *mac_addr);
  static int hns3_restore_fec(struct hns3_hw *hw);
  static int hns3_query_dev_fec_info(struct hns3_hw *hw);
  
  void hns3_ether_format_addr(char *buf, uint16_t size,
  			    const struct rte_ether_addr *ether_addr)
  {
  	snprintf(buf, size, "%02X:**:**:**:%02X:%02X",
  		ether_addr->addr_bytes[0],
  		ether_addr->addr_bytes[4],
  		ether_addr->addr_bytes[5]);
  }
  
  static void
  hns3_pf_disable_irq0(struct hns3_hw *hw)
  {
  	hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 0);
  }
  
  static void
  hns3_pf_enable_irq0(struct hns3_hw *hw)
  {
  	hns3_write_dev(hw, HNS3_MISC_VECTOR_REG_BASE, 1);
  }
  
  static enum hns3_evt_cause
  hns3_check_event_cause(struct hns3_adapter *hns, uint32_t *clearval)
  {
  	struct hns3_hw *hw = &hns->hw;
  	uint32_t vector0_int_stats;
  	uint32_t cmdq_src_val;
  	uint32_t hw_err_src_reg;
  	uint32_t val;
  	enum hns3_evt_cause ret;
  
  	/* fetch the events from their corresponding regs */
  	vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
  	cmdq_src_val = hns3_read_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG);
  	hw_err_src_reg = hns3_read_dev(hw, HNS3_RAS_PF_OTHER_INT_STS_REG);
  
  	/*
  	 * Assumption: If by any chance reset and mailbox events are reported
  	 * together then we will only process reset event and defer the
  	 * processing of the mailbox events. Since, we would have not cleared
  	 * RX CMDQ event this time we would receive again another interrupt
  	 * from H/W just for the mailbox.
  	 */
  	if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats) { /* IMP */
  		rte_atomic16_set(&hw->reset.disable_cmd, 1);
  		hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
  		val = BIT(HNS3_VECTOR0_IMPRESET_INT_B);
  		if (clearval) {
  			hw->reset.stats.imp_cnt++;
  			hns3_warn(hw, "IMP reset detected, clear reset status");
  		} else {
  			hns3_schedule_delayed_reset(hns);
  			hns3_warn(hw, "IMP reset detected, don't clear reset status");
  		}
  
  		ret = HNS3_VECTOR0_EVENT_RST;
  		goto out;
  	}
  
  	/* Global reset */
  	if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats) {
  		rte_atomic16_set(&hw->reset.disable_cmd, 1);
  		hns3_atomic_set_bit(HNS3_GLOBAL_RESET, &hw->reset.pending);
  		val = BIT(HNS3_VECTOR0_GLOBALRESET_INT_B);
  		if (clearval) {
  			hw->reset.stats.global_cnt++;
  			hns3_warn(hw, "Global reset detected, clear reset status");
  		} else {
  			hns3_schedule_delayed_reset(hns);
  			hns3_warn(hw, "Global reset detected, don't clear reset status");
  		}
  
  		ret = HNS3_VECTOR0_EVENT_RST;
  		goto out;
  	}
  
  	/* check for vector0 msix event source */
  	if (vector0_int_stats & HNS3_VECTOR0_REG_MSIX_MASK ||
  	    hw_err_src_reg & HNS3_RAS_REG_NFE_MASK) {
  		val = vector0_int_stats | hw_err_src_reg;
  		ret = HNS3_VECTOR0_EVENT_ERR;
  		goto out;
  	}
  
  	/* check for vector0 mailbox(=CMDQ RX) event source */
  	if (BIT(HNS3_VECTOR0_RX_CMDQ_INT_B) & cmdq_src_val) {
  		cmdq_src_val &= ~BIT(HNS3_VECTOR0_RX_CMDQ_INT_B);
  		val = cmdq_src_val;
  		ret = HNS3_VECTOR0_EVENT_MBX;
  		goto out;
  	}
  
  	if (clearval && (vector0_int_stats || cmdq_src_val || hw_err_src_reg))
  		hns3_warn(hw, "vector0_int_stats:0x%x cmdq_src_val:0x%x hw_err_src_reg:0x%x",
  			  vector0_int_stats, cmdq_src_val, hw_err_src_reg);
  	val = vector0_int_stats;
  	ret = HNS3_VECTOR0_EVENT_OTHER;
  out:
  
  	if (clearval)
  		*clearval = val;
  	return ret;
  }
  
  static void
  hns3_clear_event_cause(struct hns3_hw *hw, uint32_t event_type, uint32_t regclr)
  {
  	if (event_type == HNS3_VECTOR0_EVENT_RST)
  		hns3_write_dev(hw, HNS3_MISC_RESET_STS_REG, regclr);
  	else if (event_type == HNS3_VECTOR0_EVENT_MBX)
  		hns3_write_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG, regclr);
  }
  
  static void
  hns3_clear_all_event_cause(struct hns3_hw *hw)
  {
  	uint32_t vector0_int_stats;
  	vector0_int_stats = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
  
  	if (BIT(HNS3_VECTOR0_IMPRESET_INT_B) & vector0_int_stats)
  		hns3_warn(hw, "Probe during IMP reset interrupt");
  
  	if (BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) & vector0_int_stats)
  		hns3_warn(hw, "Probe during Global reset interrupt");
  
  	hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_RST,
  			       BIT(HNS3_VECTOR0_IMPRESET_INT_B) |
  			       BIT(HNS3_VECTOR0_GLOBALRESET_INT_B) |
  			       BIT(HNS3_VECTOR0_CORERESET_INT_B));
  	hns3_clear_event_cause(hw, HNS3_VECTOR0_EVENT_MBX, 0);
  }
  
  static void
  hns3_interrupt_handler(void *param)
  {
  	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	enum hns3_evt_cause event_cause;
  	uint32_t clearval = 0;
  
  	/* Disable interrupt */
  	hns3_pf_disable_irq0(hw);
  
  	event_cause = hns3_check_event_cause(hns, &clearval);
  	/* vector 0 interrupt is shared with reset and mailbox source events. */
  	if (event_cause == HNS3_VECTOR0_EVENT_ERR) {
  		hns3_warn(hw, "Received err interrupt");
  		hns3_handle_msix_error(hns, &hw->reset.request);
  		hns3_handle_ras_error(hns, &hw->reset.request);
  		hns3_schedule_reset(hns);
  	} else if (event_cause == HNS3_VECTOR0_EVENT_RST) {
  		hns3_warn(hw, "Received reset interrupt");
  		hns3_schedule_reset(hns);
  	} else if (event_cause == HNS3_VECTOR0_EVENT_MBX)
  		hns3_dev_handle_mbx_msg(hw);
  	else
  		hns3_err(hw, "Received unknown event");
  
  	hns3_clear_event_cause(hw, event_cause, clearval);
  	/* Enable interrupt if it is not cause by reset */
  	hns3_pf_enable_irq0(hw);
  }
  
  static int
  hns3_set_port_vlan_filter(struct hns3_adapter *hns, uint16_t vlan_id, int on)
  {
  #define HNS3_VLAN_ID_OFFSET_STEP	160
  #define HNS3_VLAN_BYTE_SIZE		8
  	struct hns3_vlan_filter_pf_cfg_cmd *req;
  	struct hns3_hw *hw = &hns->hw;
  	uint8_t vlan_offset_byte_val;
  	struct hns3_cmd_desc desc;
  	uint8_t vlan_offset_byte;
  	uint8_t vlan_offset_base;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_PF_CFG, false);
  
  	vlan_offset_base = vlan_id / HNS3_VLAN_ID_OFFSET_STEP;
  	vlan_offset_byte = (vlan_id % HNS3_VLAN_ID_OFFSET_STEP) /
  			   HNS3_VLAN_BYTE_SIZE;
  	vlan_offset_byte_val = 1 << (vlan_id % HNS3_VLAN_BYTE_SIZE);
  
  	req = (struct hns3_vlan_filter_pf_cfg_cmd *)desc.data;
  	req->vlan_offset = vlan_offset_base;
  	req->vlan_cfg = on ? 0 : 1;
  	req->vlan_offset_bitmap[vlan_offset_byte] = vlan_offset_byte_val;
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		hns3_err(hw, "set port vlan id failed, vlan_id =%u, ret =%d",
  			 vlan_id, ret);
  
  	return ret;
  }
  
  static void
  hns3_rm_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id)
  {
  	struct hns3_user_vlan_table *vlan_entry;
  	struct hns3_pf *pf = &hns->pf;
  
  	LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
  		if (vlan_entry->vlan_id == vlan_id) {
  			if (vlan_entry->hd_tbl_status)
  				hns3_set_port_vlan_filter(hns, vlan_id, 0);
  			LIST_REMOVE(vlan_entry, next);
  			rte_free(vlan_entry);
  			break;
  		}
  	}
  }
  
  static void
  hns3_add_dev_vlan_table(struct hns3_adapter *hns, uint16_t vlan_id,
  			bool writen_to_tbl)
  {
  	struct hns3_user_vlan_table *vlan_entry;
  	struct hns3_hw *hw = &hns->hw;
  	struct hns3_pf *pf = &hns->pf;
  
  	LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
  		if (vlan_entry->vlan_id == vlan_id)
  			return;
  	}
  
  	vlan_entry = rte_zmalloc("hns3_vlan_tbl", sizeof(*vlan_entry), 0);
  	if (vlan_entry == NULL) {
  		hns3_err(hw, "Failed to malloc hns3 vlan table");
  		return;
  	}
  
  	vlan_entry->hd_tbl_status = writen_to_tbl;
  	vlan_entry->vlan_id = vlan_id;
  
  	LIST_INSERT_HEAD(&pf->vlan_list, vlan_entry, next);
  }
  
  static int
  hns3_restore_vlan_table(struct hns3_adapter *hns)
  {
  	struct hns3_user_vlan_table *vlan_entry;
  	struct hns3_hw *hw = &hns->hw;
  	struct hns3_pf *pf = &hns->pf;
  	uint16_t vlan_id;
  	int ret = 0;
  
  	if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_ENABLE)
  		return hns3_vlan_pvid_configure(hns,
  						hw->port_base_vlan_cfg.pvid, 1);
  
  	LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
  		if (vlan_entry->hd_tbl_status) {
  			vlan_id = vlan_entry->vlan_id;
  			ret = hns3_set_port_vlan_filter(hns, vlan_id, 1);
  			if (ret)
  				break;
  		}
  	}
  
  	return ret;
  }
  
  static int
  hns3_vlan_filter_configure(struct hns3_adapter *hns, uint16_t vlan_id, int on)
  {
  	struct hns3_hw *hw = &hns->hw;
  	bool writen_to_tbl = false;
  	int ret = 0;
  
  	/*
  	 * When vlan filter is enabled, hardware regards packets without vlan
  	 * as packets with vlan 0. So, to receive packets without vlan, vlan id
  	 * 0 is not allowed to be removed by rte_eth_dev_vlan_filter.
  	 */
  	if (on == 0 && vlan_id == 0)
  		return 0;
  
  	/*
  	 * When port base vlan enabled, we use port base vlan as the vlan
  	 * filter condition. In this case, we don't update vlan filter table
  	 * when user add new vlan or remove exist vlan, just update the
  	 * vlan list. The vlan id in vlan list will be writen in vlan filter
  	 * table until port base vlan disabled
  	 */
  	if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
  		ret = hns3_set_port_vlan_filter(hns, vlan_id, on);
  		writen_to_tbl = true;
  	}
  
  	if (ret == 0) {
  		if (on)
  			hns3_add_dev_vlan_table(hns, vlan_id, writen_to_tbl);
  		else
  			hns3_rm_dev_vlan_table(hns, vlan_id);
  	}
  	return ret;
  }
  
  static int
  hns3_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	rte_spinlock_lock(&hw->lock);
  	ret = hns3_vlan_filter_configure(hns, vlan_id, on);
  	rte_spinlock_unlock(&hw->lock);
  	return ret;
  }
  
  static int
  hns3_vlan_tpid_configure(struct hns3_adapter *hns, enum rte_vlan_type vlan_type,
  			 uint16_t tpid)
  {
  	struct hns3_rx_vlan_type_cfg_cmd *rx_req;
  	struct hns3_tx_vlan_type_cfg_cmd *tx_req;
  	struct hns3_hw *hw = &hns->hw;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	if ((vlan_type != ETH_VLAN_TYPE_INNER &&
  	     vlan_type != ETH_VLAN_TYPE_OUTER)) {
  		hns3_err(hw, "Unsupported vlan type, vlan_type =%d", vlan_type);
  		return -EINVAL;
  	}
  
  	if (tpid != RTE_ETHER_TYPE_VLAN) {
  		hns3_err(hw, "Unsupported vlan tpid, vlan_type =%d", vlan_type);
  		return -EINVAL;
  	}
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_TYPE_ID, false);
  	rx_req = (struct hns3_rx_vlan_type_cfg_cmd *)desc.data;
  
  	if (vlan_type == ETH_VLAN_TYPE_OUTER) {
  		rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
  		rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
  	} else if (vlan_type == ETH_VLAN_TYPE_INNER) {
  		rx_req->ot_fst_vlan_type = rte_cpu_to_le_16(tpid);
  		rx_req->ot_sec_vlan_type = rte_cpu_to_le_16(tpid);
  		rx_req->in_fst_vlan_type = rte_cpu_to_le_16(tpid);
  		rx_req->in_sec_vlan_type = rte_cpu_to_le_16(tpid);
  	}
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret) {
  		hns3_err(hw, "Send rxvlan protocol type command fail, ret =%d",
  			 ret);
  		return ret;
  	}
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_INSERT, false);
  
  	tx_req = (struct hns3_tx_vlan_type_cfg_cmd *)desc.data;
  	tx_req->ot_vlan_type = rte_cpu_to_le_16(tpid);
  	tx_req->in_vlan_type = rte_cpu_to_le_16(tpid);
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		hns3_err(hw, "Send txvlan protocol type command fail, ret =%d",
  			 ret);
  	return ret;
  }
  
  static int
  hns3_vlan_tpid_set(struct rte_eth_dev *dev, enum rte_vlan_type vlan_type,
  		   uint16_t tpid)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	rte_spinlock_lock(&hw->lock);
  	ret = hns3_vlan_tpid_configure(hns, vlan_type, tpid);
  	rte_spinlock_unlock(&hw->lock);
  	return ret;
  }
  
  static int
  hns3_set_vlan_rx_offload_cfg(struct hns3_adapter *hns,
  			     struct hns3_rx_vtag_cfg *vcfg)
  {
  	struct hns3_vport_vtag_rx_cfg_cmd *req;
  	struct hns3_hw *hw = &hns->hw;
  	struct hns3_cmd_desc desc;
  	uint16_t vport_id;
  	uint8_t bitmap;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_RX_CFG, false);
  
  	req = (struct hns3_vport_vtag_rx_cfg_cmd *)desc.data;
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG1_EN_B,
  		     vcfg->strip_tag1_en ? 1 : 0);
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_REM_TAG2_EN_B,
  		     vcfg->strip_tag2_en ? 1 : 0);
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG1_EN_B,
  		     vcfg->vlan1_vlan_prionly ? 1 : 0);
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_SHOW_TAG2_EN_B,
  		     vcfg->vlan2_vlan_prionly ? 1 : 0);
  
  	/* firmwall will ignore this configuration for PCI_REVISION_ID_HIP08 */
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_DISCARD_TAG1_EN_B,
  		     vcfg->strip_tag1_discard_en ? 1 : 0);
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_DISCARD_TAG2_EN_B,
  		     vcfg->strip_tag2_discard_en ? 1 : 0);
  	/*
  	 * In current version VF is not supported when PF is driven by DPDK
  	 * driver, just need to configure parameters for PF vport.
  	 */
  	vport_id = HNS3_PF_FUNC_ID;
  	req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
  	bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
  	req->vf_bitmap[req->vf_offset] = bitmap;
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		hns3_err(hw, "Send port rxvlan cfg command fail, ret =%d", ret);
  	return ret;
  }
  
  static void
  hns3_update_rx_offload_cfg(struct hns3_adapter *hns,
  			   struct hns3_rx_vtag_cfg *vcfg)
  {
  	struct hns3_pf *pf = &hns->pf;
  	memcpy(&pf->vtag_config.rx_vcfg, vcfg, sizeof(pf->vtag_config.rx_vcfg));
  }
  
  static void
  hns3_update_tx_offload_cfg(struct hns3_adapter *hns,
  			   struct hns3_tx_vtag_cfg *vcfg)
  {
  	struct hns3_pf *pf = &hns->pf;
  	memcpy(&pf->vtag_config.tx_vcfg, vcfg, sizeof(pf->vtag_config.tx_vcfg));
  }
  
  static int
  hns3_en_hw_strip_rxvtag(struct hns3_adapter *hns, bool enable)
  {
  	struct hns3_rx_vtag_cfg rxvlan_cfg;
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	if (hw->port_base_vlan_cfg.state == HNS3_PORT_BASE_VLAN_DISABLE) {
  		rxvlan_cfg.strip_tag1_en = false;
  		rxvlan_cfg.strip_tag2_en = enable;
  		rxvlan_cfg.strip_tag2_discard_en = false;
  	} else {
  		rxvlan_cfg.strip_tag1_en = enable;
  		rxvlan_cfg.strip_tag2_en = true;
  		rxvlan_cfg.strip_tag2_discard_en = true;
  	}
  
  	rxvlan_cfg.strip_tag1_discard_en = false;
  	rxvlan_cfg.vlan1_vlan_prionly = false;
  	rxvlan_cfg.vlan2_vlan_prionly = false;
  	rxvlan_cfg.rx_vlan_offload_en = enable;
  
  	ret = hns3_set_vlan_rx_offload_cfg(hns, &rxvlan_cfg);
  	if (ret) {
  		hns3_err(hw, "enable strip rx vtag failed, ret =%d", ret);
  		return ret;
  	}
  
  	hns3_update_rx_offload_cfg(hns, &rxvlan_cfg);
  
  	return ret;
  }
  
  static int
  hns3_set_vlan_filter_ctrl(struct hns3_hw *hw, uint8_t vlan_type,
  			  uint8_t fe_type, bool filter_en, uint8_t vf_id)
  {
  	struct hns3_vlan_filter_ctrl_cmd *req;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_FILTER_CTRL, false);
  
  	req = (struct hns3_vlan_filter_ctrl_cmd *)desc.data;
  	req->vlan_type = vlan_type;
  	req->vlan_fe = filter_en ? fe_type : 0;
  	req->vf_id = vf_id;
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		hns3_err(hw, "set vlan filter fail, ret =%d", ret);
  
  	return ret;
  }
  
  static int
  hns3_vlan_filter_init(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_VF,
  					HNS3_FILTER_FE_EGRESS, false,
  					HNS3_PF_FUNC_ID);
  	if (ret) {
  		hns3_err(hw, "failed to init vf vlan filter, ret = %d", ret);
  		return ret;
  	}
  
  	ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
  					HNS3_FILTER_FE_INGRESS, false,
  					HNS3_PF_FUNC_ID);
  	if (ret)
  		hns3_err(hw, "failed to init port vlan filter, ret = %d", ret);
  
  	return ret;
  }
  
  static int
  hns3_enable_vlan_filter(struct hns3_adapter *hns, bool enable)
  {
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	ret = hns3_set_vlan_filter_ctrl(hw, HNS3_FILTER_TYPE_PORT,
  					HNS3_FILTER_FE_INGRESS, enable,
  					HNS3_PF_FUNC_ID);
  	if (ret)
  		hns3_err(hw, "failed to %s port vlan filter, ret = %d",
  			 enable ? "enable" : "disable", ret);
  
  	return ret;
  }
  
  static int
  hns3_vlan_offload_set(struct rte_eth_dev *dev, int mask)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	struct rte_eth_rxmode *rxmode;
  	unsigned int tmp_mask;
  	bool enable;
  	int ret = 0;
  
  	rte_spinlock_lock(&hw->lock);
  	rxmode = &dev->data->dev_conf.rxmode;
  	tmp_mask = (unsigned int)mask;
  	if (tmp_mask & ETH_VLAN_FILTER_MASK) {
  		/* ignore vlan filter configuration during promiscuous mode */
  		if (!dev->data->promiscuous) {
  			/* Enable or disable VLAN filter */
  			enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER ?
  				 true : false;
  
  			ret = hns3_enable_vlan_filter(hns, enable);
  			if (ret) {
  				rte_spinlock_unlock(&hw->lock);
  				hns3_err(hw, "failed to %s rx filter, ret = %d",
  					 enable ? "enable" : "disable", ret);
  				return ret;
  			}
  		}
  	}
  
  	if (tmp_mask & ETH_VLAN_STRIP_MASK) {
  		/* Enable or disable VLAN stripping */
  		enable = rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP ?
  		    true : false;
  
  		ret = hns3_en_hw_strip_rxvtag(hns, enable);
  		if (ret) {
  			rte_spinlock_unlock(&hw->lock);
  			hns3_err(hw, "failed to %s rx strip, ret = %d",
  				 enable ? "enable" : "disable", ret);
  			return ret;
  		}
  	}
  
  	rte_spinlock_unlock(&hw->lock);
  
  	return ret;
  }
  
  static int
  hns3_set_vlan_tx_offload_cfg(struct hns3_adapter *hns,
  			     struct hns3_tx_vtag_cfg *vcfg)
  {
  	struct hns3_vport_vtag_tx_cfg_cmd *req;
  	struct hns3_cmd_desc desc;
  	struct hns3_hw *hw = &hns->hw;
  	uint16_t vport_id;
  	uint8_t bitmap;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_VLAN_PORT_TX_CFG, false);
  
  	req = (struct hns3_vport_vtag_tx_cfg_cmd *)desc.data;
  	req->def_vlan_tag1 = vcfg->default_tag1;
  	req->def_vlan_tag2 = vcfg->default_tag2;
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG1_B,
  		     vcfg->accept_tag1 ? 1 : 0);
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG1_B,
  		     vcfg->accept_untag1 ? 1 : 0);
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_TAG2_B,
  		     vcfg->accept_tag2 ? 1 : 0);
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_ACCEPT_UNTAG2_B,
  		     vcfg->accept_untag2 ? 1 : 0);
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG1_EN_B,
  		     vcfg->insert_tag1_en ? 1 : 0);
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_PORT_INS_TAG2_EN_B,
  		     vcfg->insert_tag2_en ? 1 : 0);
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_CFG_NIC_ROCE_SEL_B, 0);
  
  	/* firmwall will ignore this configuration for PCI_REVISION_ID_HIP08 */
  	hns3_set_bit(req->vport_vlan_cfg, HNS3_TAG_SHIFT_MODE_EN_B,
  		     vcfg->tag_shift_mode_en ? 1 : 0);
  
  	/*
  	 * In current version VF is not supported when PF is driven by DPDK
  	 * driver, just need to configure parameters for PF vport.
  	 */
  	vport_id = HNS3_PF_FUNC_ID;
  	req->vf_offset = vport_id / HNS3_VF_NUM_PER_CMD;
  	bitmap = 1 << (vport_id % HNS3_VF_NUM_PER_BYTE);
  	req->vf_bitmap[req->vf_offset] = bitmap;
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		hns3_err(hw, "Send port txvlan cfg command fail, ret =%d", ret);
  
  	return ret;
  }
  
  static int
  hns3_vlan_txvlan_cfg(struct hns3_adapter *hns, uint16_t port_base_vlan_state,
  		     uint16_t pvid)
  {
  	struct hns3_hw *hw = &hns->hw;
  	struct hns3_tx_vtag_cfg txvlan_cfg;
  	int ret;
  
  	if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_DISABLE) {
  		txvlan_cfg.accept_tag1 = true;
  		txvlan_cfg.insert_tag1_en = false;
  		txvlan_cfg.default_tag1 = 0;
  	} else {
  		txvlan_cfg.accept_tag1 =
  			hw->vlan_mode == HNS3_HW_SHIFT_AND_DISCARD_MODE;
  		txvlan_cfg.insert_tag1_en = true;
  		txvlan_cfg.default_tag1 = pvid;
  	}
  
  	txvlan_cfg.accept_untag1 = true;
  	txvlan_cfg.accept_tag2 = true;
  	txvlan_cfg.accept_untag2 = true;
  	txvlan_cfg.insert_tag2_en = false;
  	txvlan_cfg.default_tag2 = 0;
  	txvlan_cfg.tag_shift_mode_en = true;
  
  	ret = hns3_set_vlan_tx_offload_cfg(hns, &txvlan_cfg);
  	if (ret) {
  		hns3_err(hw, "pf vlan set pvid failed, pvid =%u ,ret =%d", pvid,
  			 ret);
  		return ret;
  	}
  
  	hns3_update_tx_offload_cfg(hns, &txvlan_cfg);
  	return ret;
  }
  
  
  static void
  hns3_rm_all_vlan_table(struct hns3_adapter *hns, bool is_del_list)
  {
  	struct hns3_user_vlan_table *vlan_entry;
  	struct hns3_pf *pf = &hns->pf;
  
  	LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
  		if (vlan_entry->hd_tbl_status) {
  			hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 0);
  			vlan_entry->hd_tbl_status = false;
  		}
  	}
  
  	if (is_del_list) {
  		vlan_entry = LIST_FIRST(&pf->vlan_list);
  		while (vlan_entry) {
  			LIST_REMOVE(vlan_entry, next);
  			rte_free(vlan_entry);
  			vlan_entry = LIST_FIRST(&pf->vlan_list);
  		}
  	}
  }
  
  static void
  hns3_add_all_vlan_table(struct hns3_adapter *hns)
  {
  	struct hns3_user_vlan_table *vlan_entry;
  	struct hns3_pf *pf = &hns->pf;
  
  	LIST_FOREACH(vlan_entry, &pf->vlan_list, next) {
  		if (!vlan_entry->hd_tbl_status) {
  			hns3_set_port_vlan_filter(hns, vlan_entry->vlan_id, 1);
  			vlan_entry->hd_tbl_status = true;
  		}
  	}
  }
  
  static void
  hns3_remove_all_vlan_table(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	hns3_rm_all_vlan_table(hns, true);
  	if (hw->port_base_vlan_cfg.pvid != HNS3_INVALID_PVID) {
  		ret = hns3_set_port_vlan_filter(hns,
  						hw->port_base_vlan_cfg.pvid, 0);
  		if (ret) {
  			hns3_err(hw, "Failed to remove all vlan table, ret =%d",
  				 ret);
  			return;
  		}
  	}
  }
  
  static int
  hns3_update_vlan_filter_entries(struct hns3_adapter *hns,
  			uint16_t port_base_vlan_state, uint16_t new_pvid)
  {
  	struct hns3_hw *hw = &hns->hw;
  	uint16_t old_pvid;
  	int ret;
  
  	if (port_base_vlan_state == HNS3_PORT_BASE_VLAN_ENABLE) {
  		old_pvid = hw->port_base_vlan_cfg.pvid;
  		if (old_pvid != HNS3_INVALID_PVID) {
  			ret = hns3_set_port_vlan_filter(hns, old_pvid, 0);
  			if (ret) {
  				hns3_err(hw, "failed to remove old pvid %u, "
  						"ret = %d", old_pvid, ret);
  				return ret;
  			}
  		}
  
  		hns3_rm_all_vlan_table(hns, false);
  		ret = hns3_set_port_vlan_filter(hns, new_pvid, 1);
  		if (ret) {
  			hns3_err(hw, "failed to add new pvid %u, ret = %d",
  					new_pvid, ret);
  			return ret;
  		}
  	} else {
  		ret = hns3_set_port_vlan_filter(hns, new_pvid, 0);
  		if (ret) {
  			hns3_err(hw, "failed to remove pvid %u, ret = %d",
  					new_pvid, ret);
  			return ret;
  		}
  
  		hns3_add_all_vlan_table(hns);
  	}
  	return 0;
  }
  
  static int
  hns3_en_pvid_strip(struct hns3_adapter *hns, int on)
  {
  	struct hns3_rx_vtag_cfg *old_cfg = &hns->pf.vtag_config.rx_vcfg;
  	struct hns3_rx_vtag_cfg rx_vlan_cfg;
  	bool rx_strip_en;
  	int ret;
  
  	rx_strip_en = old_cfg->rx_vlan_offload_en;
  	if (on) {
  		rx_vlan_cfg.strip_tag1_en = rx_strip_en;
  		rx_vlan_cfg.strip_tag2_en = true;
  		rx_vlan_cfg.strip_tag2_discard_en = true;
  	} else {
  		rx_vlan_cfg.strip_tag1_en = false;
  		rx_vlan_cfg.strip_tag2_en = rx_strip_en;
  		rx_vlan_cfg.strip_tag2_discard_en = false;
  	}
  	rx_vlan_cfg.strip_tag1_discard_en = false;
  	rx_vlan_cfg.vlan1_vlan_prionly = false;
  	rx_vlan_cfg.vlan2_vlan_prionly = false;
  	rx_vlan_cfg.rx_vlan_offload_en = old_cfg->rx_vlan_offload_en;
  
  	ret = hns3_set_vlan_rx_offload_cfg(hns, &rx_vlan_cfg);
  	if (ret)
  		return ret;
  
  	hns3_update_rx_offload_cfg(hns, &rx_vlan_cfg);
  	return ret;
  }
  
  static int
  hns3_vlan_pvid_configure(struct hns3_adapter *hns, uint16_t pvid, int on)
  {
  	struct hns3_hw *hw = &hns->hw;
  	uint16_t port_base_vlan_state;
  	int ret;
  
  	if (on == 0 && pvid != hw->port_base_vlan_cfg.pvid) {
  		if (hw->port_base_vlan_cfg.pvid != HNS3_INVALID_PVID)
  			hns3_warn(hw, "Invalid operation! As current pvid set "
  				  "is %u, disable pvid %u is invalid",
  				  hw->port_base_vlan_cfg.pvid, pvid);
  		return 0;
  	}
  
  	port_base_vlan_state = on ? HNS3_PORT_BASE_VLAN_ENABLE :
  				    HNS3_PORT_BASE_VLAN_DISABLE;
  	ret = hns3_vlan_txvlan_cfg(hns, port_base_vlan_state, pvid);
  	if (ret) {
  		hns3_err(hw, "failed to config tx vlan for pvid, ret = %d",
  			 ret);
  		return ret;
  	}
  
  	ret = hns3_en_pvid_strip(hns, on);
  	if (ret) {
  		hns3_err(hw, "failed to config rx vlan strip for pvid, "
  			 "ret = %d", ret);
  		return ret;
  	}
  
  	if (pvid == HNS3_INVALID_PVID)
  		goto out;
  	ret = hns3_update_vlan_filter_entries(hns, port_base_vlan_state, pvid);
  	if (ret) {
  		hns3_err(hw, "failed to update vlan filter entries, ret = %d",
  			 ret);
  		return ret;
  	}
  
  out:
  	hw->port_base_vlan_cfg.state = port_base_vlan_state;
  	hw->port_base_vlan_cfg.pvid = on ? pvid : HNS3_INVALID_PVID;
  	return ret;
  }
  
  static int
  hns3_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid, int on)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	bool pvid_en_state_change;
  	uint16_t pvid_state;
  	int ret;
  
  	if (pvid > RTE_ETHER_MAX_VLAN_ID) {
  		hns3_err(hw, "Invalid vlan_id = %u > %d", pvid,
  			 RTE_ETHER_MAX_VLAN_ID);
  		return -EINVAL;
  	}
  
  	/*
  	 * If PVID configuration state change, should refresh the PVID
  	 * configuration state in struct hns3_tx_queue/hns3_rx_queue.
  	 */
  	pvid_state = hw->port_base_vlan_cfg.state;
  	if ((on && pvid_state == HNS3_PORT_BASE_VLAN_ENABLE) ||
  	    (!on && pvid_state == HNS3_PORT_BASE_VLAN_DISABLE))
  		pvid_en_state_change = false;
  	else
  		pvid_en_state_change = true;
  
  	rte_spinlock_lock(&hw->lock);
  	ret = hns3_vlan_pvid_configure(hns, pvid, on);
  	rte_spinlock_unlock(&hw->lock);
  	if (ret)
  		return ret;
  	/*
  	 * Only in HNS3_SW_SHIFT_AND_MODE the PVID related operation in Tx/Rx
  	 * need be processed by PMD driver.
  	 */
  	if (pvid_en_state_change &&
  	    hw->vlan_mode == HNS3_SW_SHIFT_AND_DISCARD_MODE)
  		hns3_update_all_queues_pvid_proc_en(hw);
  
  	return 0;
  }
  
  static int
  hns3_default_vlan_config(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	/*
  	 * When vlan filter is enabled, hardware regards packets without vlan
  	 * as packets with vlan 0. Therefore, if vlan 0 is not in the vlan
  	 * table, packets without vlan won't be received. So, add vlan 0 as
  	 * the default vlan.
  	 */
  	ret = hns3_vlan_filter_configure(hns, 0, 1);
  	if (ret)
  		hns3_err(hw, "default vlan 0 config failed, ret =%d", ret);
  	return ret;
  }
  
  static int
  hns3_init_vlan_config(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	/*
  	 * This function can be called in the initialization and reset process,
  	 * when in reset process, it means that hardware had been reseted
  	 * successfully and we need to restore the hardware configuration to
  	 * ensure that the hardware configuration remains unchanged before and
  	 * after reset.
  	 */
  	if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
  		hw->port_base_vlan_cfg.state = HNS3_PORT_BASE_VLAN_DISABLE;
  		hw->port_base_vlan_cfg.pvid = HNS3_INVALID_PVID;
  	}
  
  	ret = hns3_vlan_filter_init(hns);
  	if (ret) {
  		hns3_err(hw, "vlan init fail in pf, ret =%d", ret);
  		return ret;
  	}
  
  	ret = hns3_vlan_tpid_configure(hns, ETH_VLAN_TYPE_INNER,
  				       RTE_ETHER_TYPE_VLAN);
  	if (ret) {
  		hns3_err(hw, "tpid set fail in pf, ret =%d", ret);
  		return ret;
  	}
  
  	/*
  	 * When in the reinit dev stage of the reset process, the following
  	 * vlan-related configurations may differ from those at initialization,
  	 * we will restore configurations to hardware in hns3_restore_vlan_table
  	 * and hns3_restore_vlan_conf later.
  	 */
  	if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
  		ret = hns3_vlan_pvid_configure(hns, HNS3_INVALID_PVID, 0);
  		if (ret) {
  			hns3_err(hw, "pvid set fail in pf, ret =%d", ret);
  			return ret;
  		}
  
  		ret = hns3_en_hw_strip_rxvtag(hns, false);
  		if (ret) {
  			hns3_err(hw, "rx strip configure fail in pf, ret =%d",
  				 ret);
  			return ret;
  		}
  	}
  
  	return hns3_default_vlan_config(hns);
  }
  
  static int
  hns3_restore_vlan_conf(struct hns3_adapter *hns)
  {
  	struct hns3_pf *pf = &hns->pf;
  	struct hns3_hw *hw = &hns->hw;
  	uint64_t offloads;
  	bool enable;
  	int ret;
  
  	if (!hw->data->promiscuous) {
  		/* restore vlan filter states */
  		offloads = hw->data->dev_conf.rxmode.offloads;
  		enable = offloads & DEV_RX_OFFLOAD_VLAN_FILTER ? true : false;
  		ret = hns3_enable_vlan_filter(hns, enable);
  		if (ret) {
  			hns3_err(hw, "failed to restore vlan rx filter conf, "
  				 "ret = %d", ret);
  			return ret;
  		}
  	}
  
  	ret = hns3_set_vlan_rx_offload_cfg(hns, &pf->vtag_config.rx_vcfg);
  	if (ret) {
  		hns3_err(hw, "failed to restore vlan rx conf, ret = %d", ret);
  		return ret;
  	}
  
  	ret = hns3_set_vlan_tx_offload_cfg(hns, &pf->vtag_config.tx_vcfg);
  	if (ret)
  		hns3_err(hw, "failed to restore vlan tx conf, ret = %d", ret);
  
  	return ret;
  }
  
  static int
  hns3_dev_configure_vlan(struct rte_eth_dev *dev)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct rte_eth_dev_data *data = dev->data;
  	struct rte_eth_txmode *txmode;
  	struct hns3_hw *hw = &hns->hw;
  	int mask;
  	int ret;
  
  	txmode = &data->dev_conf.txmode;
  	if (txmode->hw_vlan_reject_tagged || txmode->hw_vlan_reject_untagged)
  		hns3_warn(hw,
  			  "hw_vlan_reject_tagged or hw_vlan_reject_untagged "
  			  "configuration is not supported! Ignore these two "
  			  "parameters: hw_vlan_reject_tagged(%u), "
  			  "hw_vlan_reject_untagged(%u)",
  			  txmode->hw_vlan_reject_tagged,
  			  txmode->hw_vlan_reject_untagged);
  
  	/* Apply vlan offload setting */
  	mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK;
  	ret = hns3_vlan_offload_set(dev, mask);
  	if (ret) {
  		hns3_err(hw, "dev config rx vlan offload failed, ret = %d",
  			 ret);
  		return ret;
  	}
  
  	/*
  	 * If pvid config is not set in rte_eth_conf, driver needn't to set
  	 * VLAN pvid related configuration to hardware.
  	 */
  	if (txmode->pvid == 0 && txmode->hw_vlan_insert_pvid == 0)
  		return 0;
  
  	/* Apply pvid setting */
  	ret = hns3_vlan_pvid_set(dev, txmode->pvid,
  				 txmode->hw_vlan_insert_pvid);
  	if (ret)
  		hns3_err(hw, "dev config vlan pvid(%u) failed, ret = %d",
  			 txmode->pvid, ret);
  
  	return ret;
  }
  
  static int
  hns3_config_tso(struct hns3_hw *hw, unsigned int tso_mss_min,
  		unsigned int tso_mss_max)
  {
  	struct hns3_cfg_tso_status_cmd *req;
  	struct hns3_cmd_desc desc;
  	uint16_t tso_mss;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TSO_GENERIC_CONFIG, false);
  
  	req = (struct hns3_cfg_tso_status_cmd *)desc.data;
  
  	tso_mss = 0;
  	hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
  		       tso_mss_min);
  	req->tso_mss_min = rte_cpu_to_le_16(tso_mss);
  
  	tso_mss = 0;
  	hns3_set_field(tso_mss, HNS3_TSO_MSS_MIN_M, HNS3_TSO_MSS_MIN_S,
  		       tso_mss_max);
  	req->tso_mss_max = rte_cpu_to_le_16(tso_mss);
  
  	return hns3_cmd_send(hw, &desc, 1);
  }
  
  static int
  hns3_set_umv_space(struct hns3_hw *hw, uint16_t space_size,
  		   uint16_t *allocated_size, bool is_alloc)
  {
  	struct hns3_umv_spc_alc_cmd *req;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	req = (struct hns3_umv_spc_alc_cmd *)desc.data;
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ALLOCATE, false);
  	hns3_set_bit(req->allocate, HNS3_UMV_SPC_ALC_B, is_alloc ? 0 : 1);
  	req->space_size = rte_cpu_to_le_32(space_size);
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "%s umv space failed for cmd_send, ret =%d",
  			     is_alloc ? "allocate" : "free", ret);
  		return ret;
  	}
  
  	if (is_alloc && allocated_size)
  		*allocated_size = rte_le_to_cpu_32(desc.data[1]);
  
  	return 0;
  }
  
  static int
  hns3_init_umv_space(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	uint16_t allocated_size = 0;
  	int ret;
  
  	ret = hns3_set_umv_space(hw, pf->wanted_umv_size, &allocated_size,
  				 true);
  	if (ret)
  		return ret;
  
  	if (allocated_size < pf->wanted_umv_size)
  		PMD_INIT_LOG(WARNING, "Alloc umv space failed, want %u, get %u",
  			     pf->wanted_umv_size, allocated_size);
  
  	pf->max_umv_size = (!!allocated_size) ? allocated_size :
  						pf->wanted_umv_size;
  	pf->used_umv_size = 0;
  	return 0;
  }
  
  static int
  hns3_uninit_umv_space(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	int ret;
  
  	if (pf->max_umv_size == 0)
  		return 0;
  
  	ret = hns3_set_umv_space(hw, pf->max_umv_size, NULL, false);
  	if (ret)
  		return ret;
  
  	pf->max_umv_size = 0;
  
  	return 0;
  }
  
  static bool
  hns3_is_umv_space_full(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	bool is_full;
  
  	is_full = (pf->used_umv_size >= pf->max_umv_size);
  
  	return is_full;
  }
  
  static void
  hns3_update_umv_space(struct hns3_hw *hw, bool is_free)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  
  	if (is_free) {
  		if (pf->used_umv_size > 0)
  			pf->used_umv_size--;
  	} else
  		pf->used_umv_size++;
  }
  
  static void
  hns3_prepare_mac_addr(struct hns3_mac_vlan_tbl_entry_cmd *new_req,
  		      const uint8_t *addr, bool is_mc)
  {
  	const unsigned char *mac_addr = addr;
  	uint32_t high_val = ((uint32_t)mac_addr[3] << 24) |
  			    ((uint32_t)mac_addr[2] << 16) |
  			    ((uint32_t)mac_addr[1] << 8) |
  			    (uint32_t)mac_addr[0];
  	uint32_t low_val = ((uint32_t)mac_addr[5] << 8) | (uint32_t)mac_addr[4];
  
  	hns3_set_bit(new_req->flags, HNS3_MAC_VLAN_BIT0_EN_B, 1);
  	if (is_mc) {
  		hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
  		hns3_set_bit(new_req->entry_type, HNS3_MAC_VLAN_BIT1_EN_B, 1);
  		hns3_set_bit(new_req->mc_mac_en, HNS3_MAC_VLAN_BIT0_EN_B, 1);
  	}
  
  	new_req->mac_addr_hi32 = rte_cpu_to_le_32(high_val);
  	new_req->mac_addr_lo16 = rte_cpu_to_le_16(low_val & 0xffff);
  }
  
  static int
  hns3_get_mac_vlan_cmd_status(struct hns3_hw *hw, uint16_t cmdq_resp,
  			     uint8_t resp_code,
  			     enum hns3_mac_vlan_tbl_opcode op)
  {
  	if (cmdq_resp) {
  		hns3_err(hw, "cmdq execute failed for get_mac_vlan_cmd_status,status=%u",
  			 cmdq_resp);
  		return -EIO;
  	}
  
  	if (op == HNS3_MAC_VLAN_ADD) {
  		if (resp_code == 0 || resp_code == 1) {
  			return 0;
  		} else if (resp_code == HNS3_ADD_UC_OVERFLOW) {
  			hns3_err(hw, "add mac addr failed for uc_overflow");
  			return -ENOSPC;
  		} else if (resp_code == HNS3_ADD_MC_OVERFLOW) {
  			hns3_err(hw, "add mac addr failed for mc_overflow");
  			return -ENOSPC;
  		}
  
  		hns3_err(hw, "add mac addr failed for undefined, code=%u",
  			 resp_code);
  		return -EIO;
  	} else if (op == HNS3_MAC_VLAN_REMOVE) {
  		if (resp_code == 0) {
  			return 0;
  		} else if (resp_code == 1) {
  			hns3_dbg(hw, "remove mac addr failed for miss");
  			return -ENOENT;
  		}
  
  		hns3_err(hw, "remove mac addr failed for undefined, code=%u",
  			 resp_code);
  		return -EIO;
  	} else if (op == HNS3_MAC_VLAN_LKUP) {
  		if (resp_code == 0) {
  			return 0;
  		} else if (resp_code == 1) {
  			hns3_dbg(hw, "lookup mac addr failed for miss");
  			return -ENOENT;
  		}
  
  		hns3_err(hw, "lookup mac addr failed for undefined, code=%u",
  			 resp_code);
  		return -EIO;
  	}
  
  	hns3_err(hw, "unknown opcode for get_mac_vlan_cmd_status, opcode=%u",
  		 op);
  
  	return -EINVAL;
  }
  
  static int
  hns3_lookup_mac_vlan_tbl(struct hns3_hw *hw,
  			 struct hns3_mac_vlan_tbl_entry_cmd *req,
  			 struct hns3_cmd_desc *desc, bool is_mc)
  {
  	uint8_t resp_code;
  	uint16_t retval;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc[0], HNS3_OPC_MAC_VLAN_ADD, true);
  	if (is_mc) {
  		desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
  		memcpy(desc[0].data, req,
  			   sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
  		hns3_cmd_setup_basic_desc(&desc[1], HNS3_OPC_MAC_VLAN_ADD,
  					  true);
  		desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
  		hns3_cmd_setup_basic_desc(&desc[2], HNS3_OPC_MAC_VLAN_ADD,
  					  true);
  		ret = hns3_cmd_send(hw, desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
  	} else {
  		memcpy(desc[0].data, req,
  		       sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
  		ret = hns3_cmd_send(hw, desc, 1);
  	}
  	if (ret) {
  		hns3_err(hw, "lookup mac addr failed for cmd_send, ret =%d.",
  			 ret);
  		return ret;
  	}
  	resp_code = (rte_le_to_cpu_32(desc[0].data[0]) >> 8) & 0xff;
  	retval = rte_le_to_cpu_16(desc[0].retval);
  
  	return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
  					    HNS3_MAC_VLAN_LKUP);
  }
  
  static int
  hns3_add_mac_vlan_tbl(struct hns3_hw *hw,
  		      struct hns3_mac_vlan_tbl_entry_cmd *req,
  		      struct hns3_cmd_desc *mc_desc)
  {
  	uint8_t resp_code;
  	uint16_t retval;
  	int cfg_status;
  	int ret;
  
  	if (mc_desc == NULL) {
  		struct hns3_cmd_desc desc;
  
  		hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_ADD, false);
  		memcpy(desc.data, req,
  		       sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
  		ret = hns3_cmd_send(hw, &desc, 1);
  		resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
  		retval = rte_le_to_cpu_16(desc.retval);
  
  		cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
  							  HNS3_MAC_VLAN_ADD);
  	} else {
  		hns3_cmd_reuse_desc(&mc_desc[0], false);
  		mc_desc[0].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
  		hns3_cmd_reuse_desc(&mc_desc[1], false);
  		mc_desc[1].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
  		hns3_cmd_reuse_desc(&mc_desc[2], false);
  		mc_desc[2].flag &= rte_cpu_to_le_16(~HNS3_CMD_FLAG_NEXT);
  		memcpy(mc_desc[0].data, req,
  		       sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
  		mc_desc[0].retval = 0;
  		ret = hns3_cmd_send(hw, mc_desc, HNS3_MC_MAC_VLAN_ADD_DESC_NUM);
  		resp_code = (rte_le_to_cpu_32(mc_desc[0].data[0]) >> 8) & 0xff;
  		retval = rte_le_to_cpu_16(mc_desc[0].retval);
  
  		cfg_status = hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
  							  HNS3_MAC_VLAN_ADD);
  	}
  
  	if (ret) {
  		hns3_err(hw, "add mac addr failed for cmd_send, ret =%d", ret);
  		return ret;
  	}
  
  	return cfg_status;
  }
  
  static int
  hns3_remove_mac_vlan_tbl(struct hns3_hw *hw,
  			 struct hns3_mac_vlan_tbl_entry_cmd *req)
  {
  	struct hns3_cmd_desc desc;
  	uint8_t resp_code;
  	uint16_t retval;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_VLAN_REMOVE, false);
  
  	memcpy(desc.data, req, sizeof(struct hns3_mac_vlan_tbl_entry_cmd));
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret) {
  		hns3_err(hw, "del mac addr failed for cmd_send, ret =%d", ret);
  		return ret;
  	}
  	resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
  	retval = rte_le_to_cpu_16(desc.retval);
  
  	return hns3_get_mac_vlan_cmd_status(hw, retval, resp_code,
  					    HNS3_MAC_VLAN_REMOVE);
  }
  
  static int
  hns3_add_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_mac_vlan_tbl_entry_cmd req;
  	struct hns3_pf *pf = &hns->pf;
  	struct hns3_cmd_desc desc[3];
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	uint16_t egress_port = 0;
  	uint8_t vf_id;
  	int ret;
  
  	/* check if mac addr is valid */
  	if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "Add unicast mac addr err! addr(%s) invalid",
  			 mac_str);
  		return -EINVAL;
  	}
  
  	memset(&req, 0, sizeof(req));
  
  	/*
  	 * In current version VF is not supported when PF is driven by DPDK
  	 * driver, just need to configure parameters for PF vport.
  	 */
  	vf_id = HNS3_PF_FUNC_ID;
  	hns3_set_field(egress_port, HNS3_MAC_EPORT_VFID_M,
  		       HNS3_MAC_EPORT_VFID_S, vf_id);
  
  	req.egress_port = rte_cpu_to_le_16(egress_port);
  
  	hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
  
  	/*
  	 * Lookup the mac address in the mac_vlan table, and add
  	 * it if the entry is inexistent. Repeated unicast entry
  	 * is not allowed in the mac vlan table.
  	 */
  	ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, false);
  	if (ret == -ENOENT) {
  		if (!hns3_is_umv_space_full(hw)) {
  			ret = hns3_add_mac_vlan_tbl(hw, &req, NULL);
  			if (!ret)
  				hns3_update_umv_space(hw, false);
  			return ret;
  		}
  
  		hns3_err(hw, "UC MAC table full(%u)", pf->used_umv_size);
  
  		return -ENOSPC;
  	}
  
  	hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr);
  
  	/* check if we just hit the duplicate */
  	if (ret == 0) {
  		hns3_dbg(hw, "mac addr(%s) has been in the MAC table", mac_str);
  		return 0;
  	}
  
  	hns3_err(hw, "PF failed to add unicast entry(%s) in the MAC table",
  		 mac_str);
  
  	return ret;
  }
  
  static int
  hns3_add_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
  {
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	struct rte_ether_addr *addr;
  	int ret;
  	int i;
  
  	for (i = 0; i < hw->mc_addrs_num; i++) {
  		addr = &hw->mc_addrs[i];
  		/* Check if there are duplicate addresses */
  		if (rte_is_same_ether_addr(addr, mac_addr)) {
  			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  					      addr);
  			hns3_err(hw, "failed to add mc mac addr, same addrs"
  				 "(%s) is added by the set_mc_mac_addr_list "
  				 "API", mac_str);
  			return -EINVAL;
  		}
  	}
  
  	ret = hns3_add_mc_addr(hw, mac_addr);
  	if (ret) {
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "failed to add mc mac addr(%s), ret = %d",
  			 mac_str, ret);
  	}
  	return ret;
  }
  
  static int
  hns3_remove_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
  {
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	int ret;
  
  	ret = hns3_remove_mc_addr(hw, mac_addr);
  	if (ret) {
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "failed to remove mc mac addr(%s), ret = %d",
  			 mac_str, ret);
  	}
  	return ret;
  }
  
  static int
  hns3_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
  		  uint32_t idx, __rte_unused uint32_t pool)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	int ret;
  
  	rte_spinlock_lock(&hw->lock);
  
  	/*
  	 * In hns3 network engine adding UC and MC mac address with different
  	 * commands with firmware. We need to determine whether the input
  	 * address is a UC or a MC address to call different commands.
  	 * By the way, it is recommended calling the API function named
  	 * rte_eth_dev_set_mc_addr_list to set the MC mac address, because
  	 * using the rte_eth_dev_mac_addr_add API function to set MC mac address
  	 * may affect the specifications of UC mac addresses.
  	 */
  	if (rte_is_multicast_ether_addr(mac_addr))
  		ret = hns3_add_mc_addr_common(hw, mac_addr);
  	else
  		ret = hns3_add_uc_addr_common(hw, mac_addr);
  
  	if (ret) {
  		rte_spinlock_unlock(&hw->lock);
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "failed to add mac addr(%s), ret = %d", mac_str,
  			 ret);
  		return ret;
  	}
  
  	if (idx == 0)
  		hw->mac.default_addr_setted = true;
  	rte_spinlock_unlock(&hw->lock);
  
  	return ret;
  }
  
  static int
  hns3_remove_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
  {
  	struct hns3_mac_vlan_tbl_entry_cmd req;
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	int ret;
  
  	/* check if mac addr is valid */
  	if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "remove unicast mac addr err! addr(%s) invalid",
  			 mac_str);
  		return -EINVAL;
  	}
  
  	memset(&req, 0, sizeof(req));
  	hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
  	hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, false);
  	ret = hns3_remove_mac_vlan_tbl(hw, &req);
  	if (ret == -ENOENT) /* mac addr isn't existent in the mac vlan table. */
  		return 0;
  	else if (ret == 0)
  		hns3_update_umv_space(hw, true);
  
  	return ret;
  }
  
  static void
  hns3_remove_mac_addr(struct rte_eth_dev *dev, uint32_t idx)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	/* index will be checked by upper level rte interface */
  	struct rte_ether_addr *mac_addr = &dev->data->mac_addrs[idx];
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	int ret;
  
  	rte_spinlock_lock(&hw->lock);
  
  	if (rte_is_multicast_ether_addr(mac_addr))
  		ret = hns3_remove_mc_addr_common(hw, mac_addr);
  	else
  		ret = hns3_remove_uc_addr_common(hw, mac_addr);
  	rte_spinlock_unlock(&hw->lock);
  	if (ret) {
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "failed to remove mac addr(%s), ret = %d", mac_str,
  			 ret);
  	}
  }
  
  static int
  hns3_set_default_mac_addr(struct rte_eth_dev *dev,
  			  struct rte_ether_addr *mac_addr)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	struct rte_ether_addr *oaddr;
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	bool default_addr_setted;
  	bool rm_succes = false;
  	int ret, ret_val;
  
  	/*
  	 * It has been guaranteed that input parameter named mac_addr is valid
  	 * address in the rte layer of DPDK framework.
  	 */
  	oaddr = (struct rte_ether_addr *)hw->mac.mac_addr;
  	default_addr_setted = hw->mac.default_addr_setted;
  	if (default_addr_setted && !!rte_is_same_ether_addr(mac_addr, oaddr))
  		return 0;
  
  	rte_spinlock_lock(&hw->lock);
  	if (default_addr_setted) {
  		ret = hns3_remove_uc_addr_common(hw, oaddr);
  		if (ret) {
  			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  					      oaddr);
  			hns3_warn(hw, "Remove old uc mac address(%s) fail: %d",
  				  mac_str, ret);
  			rm_succes = false;
  		} else
  			rm_succes = true;
  	}
  
  	ret = hns3_add_uc_addr_common(hw, mac_addr);
  	if (ret) {
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "Failed to set mac addr(%s): %d", mac_str, ret);
  		goto err_add_uc_addr;
  	}
  
  	ret = hns3_pause_addr_cfg(hw, mac_addr->addr_bytes);
  	if (ret) {
  		hns3_err(hw, "Failed to configure mac pause address: %d", ret);
  		goto err_pause_addr_cfg;
  	}
  
  	rte_ether_addr_copy(mac_addr,
  			    (struct rte_ether_addr *)hw->mac.mac_addr);
  	hw->mac.default_addr_setted = true;
  	rte_spinlock_unlock(&hw->lock);
  
  	return 0;
  
  err_pause_addr_cfg:
  	ret_val = hns3_remove_uc_addr_common(hw, mac_addr);
  	if (ret_val) {
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_warn(hw,
  			  "Failed to roll back to del setted mac addr(%s): %d",
  			  mac_str, ret_val);
  	}
  
  err_add_uc_addr:
  	if (rm_succes) {
  		ret_val = hns3_add_uc_addr_common(hw, oaddr);
  		if (ret_val) {
  			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  					      oaddr);
  			hns3_warn(hw,
  				  "Failed to restore old uc mac addr(%s): %d",
  				  mac_str, ret_val);
  			hw->mac.default_addr_setted = false;
  		}
  	}
  	rte_spinlock_unlock(&hw->lock);
  
  	return ret;
  }
  
  static int
  hns3_configure_all_mac_addr(struct hns3_adapter *hns, bool del)
  {
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	struct hns3_hw *hw = &hns->hw;
  	struct rte_ether_addr *addr;
  	int err = 0;
  	int ret;
  	int i;
  
  	for (i = 0; i < HNS3_UC_MACADDR_NUM; i++) {
  		addr = &hw->data->mac_addrs[i];
  		if (rte_is_zero_ether_addr(addr))
  			continue;
  		if (rte_is_multicast_ether_addr(addr))
  			ret = del ? hns3_remove_mc_addr(hw, addr) :
  			      hns3_add_mc_addr(hw, addr);
  		else
  			ret = del ? hns3_remove_uc_addr_common(hw, addr) :
  			      hns3_add_uc_addr_common(hw, addr);
  
  		if (ret) {
  			err = ret;
  			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  					      addr);
  			hns3_err(hw, "failed to %s mac addr(%s) index:%d "
  				 "ret = %d.", del ? "remove" : "restore",
  				 mac_str, i, ret);
  		}
  	}
  	return err;
  }
  
  static void
  hns3_update_desc_vfid(struct hns3_cmd_desc *desc, uint8_t vfid, bool clr)
  {
  #define HNS3_VF_NUM_IN_FIRST_DESC 192
  	uint8_t word_num;
  	uint8_t bit_num;
  
  	if (vfid < HNS3_VF_NUM_IN_FIRST_DESC) {
  		word_num = vfid / 32;
  		bit_num = vfid % 32;
  		if (clr)
  			desc[1].data[word_num] &=
  			    rte_cpu_to_le_32(~(1UL << bit_num));
  		else
  			desc[1].data[word_num] |=
  			    rte_cpu_to_le_32(1UL << bit_num);
  	} else {
  		word_num = (vfid - HNS3_VF_NUM_IN_FIRST_DESC) / 32;
  		bit_num = vfid % 32;
  		if (clr)
  			desc[2].data[word_num] &=
  			    rte_cpu_to_le_32(~(1UL << bit_num));
  		else
  			desc[2].data[word_num] |=
  			    rte_cpu_to_le_32(1UL << bit_num);
  	}
  }
  
  static int
  hns3_add_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
  {
  	struct hns3_mac_vlan_tbl_entry_cmd req;
  	struct hns3_cmd_desc desc[3];
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	uint8_t vf_id;
  	int ret;
  
  	/* Check if mac addr is valid */
  	if (!rte_is_multicast_ether_addr(mac_addr)) {
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "failed to add mc mac addr, addr(%s) invalid",
  			 mac_str);
  		return -EINVAL;
  	}
  
  	memset(&req, 0, sizeof(req));
  	hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
  	hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
  	ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
  	if (ret) {
  		/* This mac addr do not exist, add new entry for it */
  		memset(desc[0].data, 0, sizeof(desc[0].data));
  		memset(desc[1].data, 0, sizeof(desc[0].data));
  		memset(desc[2].data, 0, sizeof(desc[0].data));
  	}
  
  	/*
  	 * In current version VF is not supported when PF is driven by DPDK
  	 * driver, just need to configure parameters for PF vport.
  	 */
  	vf_id = HNS3_PF_FUNC_ID;
  	hns3_update_desc_vfid(desc, vf_id, false);
  	ret = hns3_add_mac_vlan_tbl(hw, &req, desc);
  	if (ret) {
  		if (ret == -ENOSPC)
  			hns3_err(hw, "mc mac vlan table is full");
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "failed to add mc mac addr(%s): %d", mac_str, ret);
  	}
  
  	return ret;
  }
  
  static int
  hns3_remove_mc_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
  {
  	struct hns3_mac_vlan_tbl_entry_cmd req;
  	struct hns3_cmd_desc desc[3];
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	uint8_t vf_id;
  	int ret;
  
  	/* Check if mac addr is valid */
  	if (!rte_is_multicast_ether_addr(mac_addr)) {
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "Failed to rm mc mac addr, addr(%s) invalid",
  			 mac_str);
  		return -EINVAL;
  	}
  
  	memset(&req, 0, sizeof(req));
  	hns3_set_bit(req.entry_type, HNS3_MAC_VLAN_BIT0_EN_B, 0);
  	hns3_prepare_mac_addr(&req, mac_addr->addr_bytes, true);
  	ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, true);
  	if (ret == 0) {
  		/*
  		 * This mac addr exist, remove this handle's VFID for it.
  		 * In current version VF is not supported when PF is driven by
  		 * DPDK driver, just need to configure parameters for PF vport.
  		 */
  		vf_id = HNS3_PF_FUNC_ID;
  		hns3_update_desc_vfid(desc, vf_id, true);
  
  		/* All the vfid is zero, so need to delete this entry */
  		ret = hns3_remove_mac_vlan_tbl(hw, &req);
  	} else if (ret == -ENOENT) {
  		/* This mac addr doesn't exist. */
  		return 0;
  	}
  
  	if (ret) {
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				      mac_addr);
  		hns3_err(hw, "Failed to rm mc mac addr(%s): %d", mac_str, ret);
  	}
  
  	return ret;
  }
  
  static int
  hns3_set_mc_addr_chk_param(struct hns3_hw *hw,
  			   struct rte_ether_addr *mc_addr_set,
  			   uint32_t nb_mc_addr)
  {
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	struct rte_ether_addr *addr;
  	uint32_t i;
  	uint32_t j;
  
  	if (nb_mc_addr > HNS3_MC_MACADDR_NUM) {
  		hns3_err(hw, "failed to set mc mac addr, nb_mc_addr(%u) "
  			 "invalid. valid range: 0~%d",
  			 nb_mc_addr, HNS3_MC_MACADDR_NUM);
  		return -EINVAL;
  	}
  
  	/* Check if input mac addresses are valid */
  	for (i = 0; i < nb_mc_addr; i++) {
  		addr = &mc_addr_set[i];
  		if (!rte_is_multicast_ether_addr(addr)) {
  			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  					      addr);
  			hns3_err(hw,
  				 "failed to set mc mac addr, addr(%s) invalid.",
  				 mac_str);
  			return -EINVAL;
  		}
  
  		/* Check if there are duplicate addresses */
  		for (j = i + 1; j < nb_mc_addr; j++) {
  			if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
  				hns3_ether_format_addr(mac_str,
  						      RTE_ETHER_ADDR_FMT_SIZE,
  						      addr);
  				hns3_err(hw, "failed to set mc mac addr, "
  					 "addrs invalid. two same addrs(%s).",
  					 mac_str);
  				return -EINVAL;
  			}
  		}
  
  		/*
  		 * Check if there are duplicate addresses between mac_addrs
  		 * and mc_addr_set
  		 */
  		for (j = 0; j < HNS3_UC_MACADDR_NUM; j++) {
  			if (rte_is_same_ether_addr(addr,
  						   &hw->data->mac_addrs[j])) {
  				hns3_ether_format_addr(mac_str,
  						      RTE_ETHER_ADDR_FMT_SIZE,
  						      addr);
  				hns3_err(hw, "failed to set mc mac addr, "
  					 "addrs invalid. addrs(%s) has already "
  					 "configured in mac_addr add API",
  					 mac_str);
  				return -EINVAL;
  			}
  		}
  	}
  
  	return 0;
  }
  
  static void
  hns3_set_mc_addr_calc_addr(struct hns3_hw *hw,
  			   struct rte_ether_addr *mc_addr_set,
  			   int mc_addr_num,
  			   struct rte_ether_addr *reserved_addr_list,
  			   int *reserved_addr_num,
  			   struct rte_ether_addr *add_addr_list,
  			   int *add_addr_num,
  			   struct rte_ether_addr *rm_addr_list,
  			   int *rm_addr_num)
  {
  	struct rte_ether_addr *addr;
  	int current_addr_num;
  	int reserved_num = 0;
  	int add_num = 0;
  	int rm_num = 0;
  	int num;
  	int i;
  	int j;
  	bool same_addr;
  
  	/* Calculate the mc mac address list that should be removed */
  	current_addr_num = hw->mc_addrs_num;
  	for (i = 0; i < current_addr_num; i++) {
  		addr = &hw->mc_addrs[i];
  		same_addr = false;
  		for (j = 0; j < mc_addr_num; j++) {
  			if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) {
  				same_addr = true;
  				break;
  			}
  		}
  
  		if (!same_addr) {
  			rte_ether_addr_copy(addr, &rm_addr_list[rm_num]);
  			rm_num++;
  		} else {
  			rte_ether_addr_copy(addr,
  					    &reserved_addr_list[reserved_num]);
  			reserved_num++;
  		}
  	}
  
  	/* Calculate the mc mac address list that should be added */
  	for (i = 0; i < mc_addr_num; i++) {
  		addr = &mc_addr_set[i];
  		same_addr = false;
  		for (j = 0; j < current_addr_num; j++) {
  			if (rte_is_same_ether_addr(addr, &hw->mc_addrs[j])) {
  				same_addr = true;
  				break;
  			}
  		}
  
  		if (!same_addr) {
  			rte_ether_addr_copy(addr, &add_addr_list[add_num]);
  			add_num++;
  		}
  	}
  
  	/* Reorder the mc mac address list maintained by driver */
  	for (i = 0; i < reserved_num; i++)
  		rte_ether_addr_copy(&reserved_addr_list[i], &hw->mc_addrs[i]);
  
  	for (i = 0; i < rm_num; i++) {
  		num = reserved_num + i;
  		rte_ether_addr_copy(&rm_addr_list[i], &hw->mc_addrs[num]);
  	}
  
  	*reserved_addr_num = reserved_num;
  	*add_addr_num = add_num;
  	*rm_addr_num = rm_num;
  }
  
  static int
  hns3_set_mc_mac_addr_list(struct rte_eth_dev *dev,
  			  struct rte_ether_addr *mc_addr_set,
  			  uint32_t nb_mc_addr)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	struct rte_ether_addr reserved_addr_list[HNS3_MC_MACADDR_NUM];
  	struct rte_ether_addr add_addr_list[HNS3_MC_MACADDR_NUM];
  	struct rte_ether_addr rm_addr_list[HNS3_MC_MACADDR_NUM];
  	struct rte_ether_addr *addr;
  	int reserved_addr_num;
  	int add_addr_num;
  	int rm_addr_num;
  	int mc_addr_num;
  	int num;
  	int ret;
  	int i;
  
  	/* Check if input parameters are valid */
  	ret = hns3_set_mc_addr_chk_param(hw, mc_addr_set, nb_mc_addr);
  	if (ret)
  		return ret;
  
  	rte_spinlock_lock(&hw->lock);
  
  	/*
  	 * Calculate the mc mac address lists those should be removed and be
  	 * added, Reorder the mc mac address list maintained by driver.
  	 */
  	mc_addr_num = (int)nb_mc_addr;
  	hns3_set_mc_addr_calc_addr(hw, mc_addr_set, mc_addr_num,
  				   reserved_addr_list, &reserved_addr_num,
  				   add_addr_list, &add_addr_num,
  				   rm_addr_list, &rm_addr_num);
  
  	/* Remove mc mac addresses */
  	for (i = 0; i < rm_addr_num; i++) {
  		num = rm_addr_num - i - 1;
  		addr = &rm_addr_list[num];
  		ret = hns3_remove_mc_addr(hw, addr);
  		if (ret) {
  			rte_spinlock_unlock(&hw->lock);
  			return ret;
  		}
  		hw->mc_addrs_num--;
  	}
  
  	/* Add mc mac addresses */
  	for (i = 0; i < add_addr_num; i++) {
  		addr = &add_addr_list[i];
  		ret = hns3_add_mc_addr(hw, addr);
  		if (ret) {
  			rte_spinlock_unlock(&hw->lock);
  			return ret;
  		}
  
  		num = reserved_addr_num + i;
  		rte_ether_addr_copy(addr, &hw->mc_addrs[num]);
  		hw->mc_addrs_num++;
  	}
  	rte_spinlock_unlock(&hw->lock);
  
  	return 0;
  }
  
  static int
  hns3_configure_all_mc_mac_addr(struct hns3_adapter *hns, bool del)
  {
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	struct hns3_hw *hw = &hns->hw;
  	struct rte_ether_addr *addr;
  	int err = 0;
  	int ret;
  	int i;
  
  	for (i = 0; i < hw->mc_addrs_num; i++) {
  		addr = &hw->mc_addrs[i];
  		if (!rte_is_multicast_ether_addr(addr))
  			continue;
  		if (del)
  			ret = hns3_remove_mc_addr(hw, addr);
  		else
  			ret = hns3_add_mc_addr(hw, addr);
  		if (ret) {
  			err = ret;
  			hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  					      addr);
  			hns3_dbg(hw, "%s mc mac addr: %s failed for pf: ret = %d",
  				 del ? "Remove" : "Restore", mac_str, ret);
  		}
  	}
  	return err;
  }
  
  static int
  hns3_check_mq_mode(struct rte_eth_dev *dev)
  {
  	enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
  	enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
  	struct rte_eth_dcb_rx_conf *dcb_rx_conf;
  	struct rte_eth_dcb_tx_conf *dcb_tx_conf;
  	uint8_t num_tc;
  	int max_tc = 0;
  	int i;
  
  	dcb_rx_conf = &dev->data->dev_conf.rx_adv_conf.dcb_rx_conf;
  	dcb_tx_conf = &dev->data->dev_conf.tx_adv_conf.dcb_tx_conf;
  
  	if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB_RSS) {
  		hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB_RSS is not supported. "
  			 "rx_mq_mode = %d", rx_mq_mode);
  		return -EINVAL;
  	}
  
  	if (rx_mq_mode == ETH_MQ_RX_VMDQ_DCB ||
  	    tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
  		hns3_err(hw, "ETH_MQ_RX_VMDQ_DCB and ETH_MQ_TX_VMDQ_DCB "
  			 "is not supported. rx_mq_mode = %d, tx_mq_mode = %d",
  			 rx_mq_mode, tx_mq_mode);
  		return -EINVAL;
  	}
  
  	if (rx_mq_mode == ETH_MQ_RX_DCB_RSS) {
  		if (dcb_rx_conf->nb_tcs > pf->tc_max) {
  			hns3_err(hw, "nb_tcs(%u) > max_tc(%u) driver supported.",
  				 dcb_rx_conf->nb_tcs, pf->tc_max);
  			return -EINVAL;
  		}
  
  		if (!(dcb_rx_conf->nb_tcs == HNS3_4_TCS ||
  		      dcb_rx_conf->nb_tcs == HNS3_8_TCS)) {
  			hns3_err(hw, "on ETH_MQ_RX_DCB_RSS mode, "
  				 "nb_tcs(%d) != %d or %d in rx direction.",
  				 dcb_rx_conf->nb_tcs, HNS3_4_TCS, HNS3_8_TCS);
  			return -EINVAL;
  		}
  
  		if (dcb_rx_conf->nb_tcs != dcb_tx_conf->nb_tcs) {
  			hns3_err(hw, "num_tcs(%d) of tx is not equal to rx(%d)",
  				 dcb_tx_conf->nb_tcs, dcb_rx_conf->nb_tcs);
  			return -EINVAL;
  		}
  
  		for (i = 0; i < HNS3_MAX_USER_PRIO; i++) {
  			if (dcb_rx_conf->dcb_tc[i] != dcb_tx_conf->dcb_tc[i]) {
  				hns3_err(hw, "dcb_tc[%d] = %u in rx direction, "
  					 "is not equal to one in tx direction.",
  					 i, dcb_rx_conf->dcb_tc[i]);
  				return -EINVAL;
  			}
  			if (dcb_rx_conf->dcb_tc[i] > max_tc)
  				max_tc = dcb_rx_conf->dcb_tc[i];
  		}
  
  		num_tc = max_tc + 1;
  		if (num_tc > dcb_rx_conf->nb_tcs) {
  			hns3_err(hw, "max num_tc(%u) mapped > nb_tcs(%u)",
  				 num_tc, dcb_rx_conf->nb_tcs);
  			return -EINVAL;
  		}
  	}
  
  	return 0;
  }
  
  static int
  hns3_check_dcb_cfg(struct rte_eth_dev *dev)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  
  	if (!hns3_dev_dcb_supported(hw)) {
  		hns3_err(hw, "this port does not support dcb configurations.");
  		return -EOPNOTSUPP;
  	}
  
  	if (hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE) {
  		hns3_err(hw, "MAC pause enabled, cannot config dcb info.");
  		return -EOPNOTSUPP;
  	}
  
  	/* Check multiple queue mode */
  	return hns3_check_mq_mode(dev);
  }
  
  static int
  hns3_bind_ring_with_vector(struct hns3_hw *hw, uint8_t vector_id, bool mmap,
  			   enum hns3_ring_type queue_type, uint16_t queue_id)
  {
  	struct hns3_cmd_desc desc;
  	struct hns3_ctrl_vector_chain_cmd *req =
  		(struct hns3_ctrl_vector_chain_cmd *)desc.data;
  	enum hns3_cmd_status status;
  	enum hns3_opcode_type op;
  	uint16_t tqp_type_and_id = 0;
  	const char *op_str;
  	uint16_t type;
  	uint16_t gl;
  
  	op = mmap ? HNS3_OPC_ADD_RING_TO_VECTOR : HNS3_OPC_DEL_RING_TO_VECTOR;
  	hns3_cmd_setup_basic_desc(&desc, op, false);
  	req->int_vector_id = vector_id;
  
  	if (queue_type == HNS3_RING_TYPE_RX)
  		gl = HNS3_RING_GL_RX;
  	else
  		gl = HNS3_RING_GL_TX;
  
  	type = queue_type;
  
  	hns3_set_field(tqp_type_and_id, HNS3_INT_TYPE_M, HNS3_INT_TYPE_S,
  		       type);
  	hns3_set_field(tqp_type_and_id, HNS3_TQP_ID_M, HNS3_TQP_ID_S, queue_id);
  	hns3_set_field(tqp_type_and_id, HNS3_INT_GL_IDX_M, HNS3_INT_GL_IDX_S,
  		       gl);
  	req->tqp_type_and_id[0] = rte_cpu_to_le_16(tqp_type_and_id);
  	req->int_cause_num = 1;
  	op_str = mmap ? "Map" : "Unmap";
  	status = hns3_cmd_send(hw, &desc, 1);
  	if (status) {
  		hns3_err(hw, "%s TQP %u fail, vector_id is %u, status is %d.",
  			 op_str, queue_id, req->int_vector_id, status);
  		return status;
  	}
  
  	return 0;
  }
  
  static int
  hns3_init_ring_with_vector(struct hns3_hw *hw)
  {
  	uint16_t vec;
  	int ret;
  	int i;
  
  	/*
  	 * In hns3 network engine, vector 0 is always the misc interrupt of this
  	 * function, vector 1~N can be used respectively for the queues of the
  	 * function. Tx and Rx queues with the same number share the interrupt
  	 * vector. In the initialization clearing the all hardware mapping
  	 * relationship configurations between queues and interrupt vectors is
  	 * needed, so some error caused by the residual configurations, such as
  	 * the unexpected Tx interrupt, can be avoid.
  	 */
  	vec = hw->num_msi - 1; /* vector 0 for misc interrupt, not for queue */
  	if (hw->intr.mapping_mode == HNS3_INTR_MAPPING_VEC_RSV_ONE)
  		vec = vec - 1; /* the last interrupt is reserved */
  	hw->intr_tqps_num = RTE_MIN(vec, hw->tqps_num);
  	for (i = 0; i < hw->intr_tqps_num; i++) {
  		/*
  		 * Set gap limiter/rate limiter/quanity limiter algorithm
  		 * configuration for interrupt coalesce of queue's interrupt.
  		 */
  		hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_RX,
  				       HNS3_TQP_INTR_GL_DEFAULT);
  		hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_TX,
  				       HNS3_TQP_INTR_GL_DEFAULT);
  		hns3_set_queue_intr_rl(hw, i, HNS3_TQP_INTR_RL_DEFAULT);
  		/*
  		 * QL(quantity limiter) is not used currently, just set 0 to
  		 * close it.
  		 */
  		hns3_set_queue_intr_ql(hw, i, HNS3_TQP_INTR_QL_DEFAULT);
  
  		ret = hns3_bind_ring_with_vector(hw, vec, false,
  						 HNS3_RING_TYPE_TX, i);
  		if (ret) {
  			PMD_INIT_LOG(ERR, "PF fail to unbind TX ring(%d) with "
  					  "vector: %u, ret=%d", i, vec, ret);
  			return ret;
  		}
  
  		ret = hns3_bind_ring_with_vector(hw, vec, false,
  						 HNS3_RING_TYPE_RX, i);
  		if (ret) {
  			PMD_INIT_LOG(ERR, "PF fail to unbind RX ring(%d) with "
  					  "vector: %u, ret=%d", i, vec, ret);
  			return ret;
  		}
  	}
  
  	return 0;
  }
  
  static int
  hns3_dev_configure(struct rte_eth_dev *dev)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct rte_eth_conf *conf = &dev->data->dev_conf;
  	enum rte_eth_rx_mq_mode mq_mode = conf->rxmode.mq_mode;
  	struct hns3_hw *hw = &hns->hw;
  	uint16_t nb_rx_q = dev->data->nb_rx_queues;
  	uint16_t nb_tx_q = dev->data->nb_tx_queues;
  	struct rte_eth_rss_conf rss_conf;
  	uint16_t mtu;
  	bool gro_en;
  	int ret;
  
  	hw->cfg_max_queues = RTE_MAX(nb_rx_q, nb_tx_q);
  
  	/*
  	 * Some versions of hardware network engine does not support
  	 * individually enable/disable/reset the Tx or Rx queue. These devices
  	 * must enable/disable/reset Tx and Rx queues at the same time. When the
  	 * numbers of Tx queues allocated by upper applications are not equal to
  	 * the numbers of Rx queues, driver needs to setup fake Tx or Rx queues
  	 * to adjust numbers of Tx/Rx queues. otherwise, network engine can not
  	 * work as usual. But these fake queues are imperceptible, and can not
  	 * be used by upper applications.
  	 */
  	if (!hns3_dev_indep_txrx_supported(hw)) {
  		ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
  		if (ret) {
  			hns3_err(hw, "fail to set Rx/Tx fake queues, ret = %d.",
  				 ret);
  			return ret;
  		}
  	}
  
  	hw->adapter_state = HNS3_NIC_CONFIGURING;
  	if (conf->link_speeds & ETH_LINK_SPEED_FIXED) {
  		hns3_err(hw, "setting link speed/duplex not supported");
  		ret = -EINVAL;
  		goto cfg_err;
  	}
  
  	if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG) {
  		ret = hns3_check_dcb_cfg(dev);
  		if (ret)
  			goto cfg_err;
  	}
  
  	/* When RSS is not configured, redirect the packet queue 0 */
  	if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) {
  		conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
  		rss_conf = conf->rx_adv_conf.rss_conf;
  		hw->rss_dis_flag = false;
  		ret = hns3_dev_rss_hash_update(dev, &rss_conf);
  		if (ret)
  			goto cfg_err;
  	}
  
  	/*
  	 * If jumbo frames are enabled, MTU needs to be refreshed
  	 * according to the maximum RX packet length.
  	 */
  	if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
  		/*
  		 * Security of max_rx_pkt_len is guaranteed in dpdk frame.
  		 * Maximum value of max_rx_pkt_len is HNS3_MAX_FRAME_LEN, so it
  		 * can safely assign to "uint16_t" type variable.
  		 */
  		mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(conf->rxmode.max_rx_pkt_len);
  		ret = hns3_dev_mtu_set(dev, mtu);
  		if (ret)
  			goto cfg_err;
  		dev->data->mtu = mtu;
  	}
  
  	ret = hns3_dev_configure_vlan(dev);
  	if (ret)
  		goto cfg_err;
  
  	/* config hardware GRO */
  	gro_en = conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO ? true : false;
  	ret = hns3_config_gro(hw, gro_en);
  	if (ret)
  		goto cfg_err;
  
  	hns->rx_simple_allowed = true;
  	hns->rx_vec_allowed = true;
  	hns->tx_simple_allowed = true;
  	hns->tx_vec_allowed = true;
  
  	hns3_init_rx_ptype_tble(dev);
  	hw->adapter_state = HNS3_NIC_CONFIGURED;
  
  	return 0;
  
  cfg_err:
  	(void)hns3_set_fake_rx_or_tx_queues(dev, 0, 0);
  	hw->adapter_state = HNS3_NIC_INITIALIZED;
  
  	return ret;
  }
  
  static int
  hns3_set_mac_mtu(struct hns3_hw *hw, uint16_t new_mps)
  {
  	struct hns3_config_max_frm_size_cmd *req;
  	struct hns3_cmd_desc desc;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAX_FRM_SIZE, false);
  
  	req = (struct hns3_config_max_frm_size_cmd *)desc.data;
  	req->max_frm_size = rte_cpu_to_le_16(new_mps);
  	req->min_frm_size = RTE_ETHER_MIN_LEN;
  
  	return hns3_cmd_send(hw, &desc, 1);
  }
  
  static int
  hns3_config_mtu(struct hns3_hw *hw, uint16_t mps)
  {
  	int ret;
  
  	ret = hns3_set_mac_mtu(hw, mps);
  	if (ret) {
  		hns3_err(hw, "Failed to set mtu, ret = %d", ret);
  		return ret;
  	}
  
  	ret = hns3_buffer_alloc(hw);
  	if (ret)
  		hns3_err(hw, "Failed to allocate buffer, ret = %d", ret);
  
  	return ret;
  }
  
  static int
  hns3_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	uint32_t frame_size = mtu + HNS3_ETH_OVERHEAD;
  	struct hns3_hw *hw = &hns->hw;
  	bool is_jumbo_frame;
  	int ret;
  
  	if (dev->data->dev_started) {
  		hns3_err(hw, "Failed to set mtu, port %u must be stopped "
  			 "before configuration", dev->data->port_id);
  		return -EBUSY;
  	}
  
  	rte_spinlock_lock(&hw->lock);
  	is_jumbo_frame = frame_size > HNS3_DEFAULT_FRAME_LEN ? true : false;
  	frame_size = RTE_MAX(frame_size, HNS3_DEFAULT_FRAME_LEN);
  
  	/*
  	 * Maximum value of frame_size is HNS3_MAX_FRAME_LEN, so it can safely
  	 * assign to "uint16_t" type variable.
  	 */
  	ret = hns3_config_mtu(hw, (uint16_t)frame_size);
  	if (ret) {
  		rte_spinlock_unlock(&hw->lock);
  		hns3_err(hw, "Failed to set mtu, port %u mtu %u: %d",
  			 dev->data->port_id, mtu, ret);
  		return ret;
  	}
  	hns->pf.mps = (uint16_t)frame_size;
  	if (is_jumbo_frame)
  		dev->data->dev_conf.rxmode.offloads |=
  						DEV_RX_OFFLOAD_JUMBO_FRAME;
  	else
  		dev->data->dev_conf.rxmode.offloads &=
  						~DEV_RX_OFFLOAD_JUMBO_FRAME;
  	dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
  	rte_spinlock_unlock(&hw->lock);
  
  	return 0;
  }
  
  int
  hns3_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info)
  {
  	struct hns3_adapter *hns = eth_dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	uint16_t queue_num = hw->tqps_num;
  
  	/*
  	 * In interrupt mode, 'max_rx_queues' is set based on the number of
  	 * MSI-X interrupt resources of the hardware.
  	 */
  	if (hw->data->dev_conf.intr_conf.rxq == 1)
  		queue_num = hw->intr_tqps_num;
  
  	info->max_rx_queues = queue_num;
  	info->max_tx_queues = hw->tqps_num;
  	info->max_rx_pktlen = HNS3_MAX_FRAME_LEN; /* CRC included */
  	info->min_rx_bufsize = HNS3_MIN_BD_BUF_SIZE;
  	info->max_mac_addrs = HNS3_UC_MACADDR_NUM;
  	info->max_mtu = info->max_rx_pktlen - HNS3_ETH_OVERHEAD;
  	info->max_lro_pkt_size = HNS3_MAX_LRO_SIZE;
  	info->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM |
  				 DEV_RX_OFFLOAD_TCP_CKSUM |
  				 DEV_RX_OFFLOAD_UDP_CKSUM |
  				 DEV_RX_OFFLOAD_SCTP_CKSUM |
  				 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
  				 DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |
  				 DEV_RX_OFFLOAD_KEEP_CRC |
  				 DEV_RX_OFFLOAD_SCATTER |
  				 DEV_RX_OFFLOAD_VLAN_STRIP |
  				 DEV_RX_OFFLOAD_VLAN_FILTER |
  				 DEV_RX_OFFLOAD_JUMBO_FRAME |
  				 DEV_RX_OFFLOAD_RSS_HASH |
  				 DEV_RX_OFFLOAD_TCP_LRO);
  	info->tx_offload_capa = (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
  				 DEV_TX_OFFLOAD_IPV4_CKSUM |
  				 DEV_TX_OFFLOAD_TCP_CKSUM |
  				 DEV_TX_OFFLOAD_UDP_CKSUM |
  				 DEV_TX_OFFLOAD_SCTP_CKSUM |
  				 DEV_TX_OFFLOAD_MULTI_SEGS |
  				 DEV_TX_OFFLOAD_TCP_TSO |
  				 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
  				 DEV_TX_OFFLOAD_GRE_TNL_TSO |
  				 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
  				 DEV_TX_OFFLOAD_MBUF_FAST_FREE |
  				 hns3_txvlan_cap_get(hw));
  
  	if (hns3_dev_indep_txrx_supported(hw))
  		info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
  				 RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
  
  	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,
  		.nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT,
  		.nb_mtu_seg_max = hw->max_non_tso_bd_num,
  	};
  
  	info->default_rxconf = (struct rte_eth_rxconf) {
  		.rx_free_thresh = HNS3_DEFAULT_RX_FREE_THRESH,
  		/*
  		 * If there are no available Rx buffer descriptors, incoming
  		 * packets are always dropped by hardware based on hns3 network
  		 * engine.
  		 */
  		.rx_drop_en = 1,
  		.offloads = 0,
  	};
  	info->default_txconf = (struct rte_eth_txconf) {
  		.tx_rs_thresh = HNS3_DEFAULT_TX_RS_THRESH,
  		.offloads = 0,
  	};
  
  	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.burst_size = HNS3_DEFAULT_PORT_CONF_BURST_SIZE;
  	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;
  }
  
  static int
  hns3_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
  		    size_t fw_size)
  {
  	struct hns3_adapter *hns = eth_dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	uint32_t version = hw->fw_version;
  	int ret;
  
  	ret = snprintf(fw_version, fw_size, "%lu.%lu.%lu.%lu",
  		       hns3_get_field(version, HNS3_FW_VERSION_BYTE3_M,
  				      HNS3_FW_VERSION_BYTE3_S),
  		       hns3_get_field(version, HNS3_FW_VERSION_BYTE2_M,
  				      HNS3_FW_VERSION_BYTE2_S),
  		       hns3_get_field(version, HNS3_FW_VERSION_BYTE1_M,
  				      HNS3_FW_VERSION_BYTE1_S),
  		       hns3_get_field(version, HNS3_FW_VERSION_BYTE0_M,
  				      HNS3_FW_VERSION_BYTE0_S));
  	ret += 1; /* add the size of '\0' */
  	if (fw_size < (uint32_t)ret)
  		return ret;
  	else
  		return 0;
  }
  
  static int
  hns3_dev_link_update(struct rte_eth_dev *eth_dev,
  		     __rte_unused int wait_to_complete)
  {
  	struct hns3_adapter *hns = eth_dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	struct hns3_mac *mac = &hw->mac;
  	struct rte_eth_link new_link;
  
  	if (!hns3_is_reset_pending(hns)) {
  		hns3_update_speed_duplex(eth_dev);
  		hns3_update_link_status(hw);
  	}
  
  	memset(&new_link, 0, sizeof(new_link));
  	switch (mac->link_speed) {
  	case ETH_SPEED_NUM_10M:
  	case ETH_SPEED_NUM_100M:
  	case ETH_SPEED_NUM_1G:
  	case ETH_SPEED_NUM_10G:
  	case ETH_SPEED_NUM_25G:
  	case ETH_SPEED_NUM_40G:
  	case ETH_SPEED_NUM_50G:
  	case ETH_SPEED_NUM_100G:
  	case ETH_SPEED_NUM_200G:
  		new_link.link_speed = mac->link_speed;
  		break;
  	default:
  		new_link.link_speed = ETH_SPEED_NUM_100M;
  		break;
  	}
  
  	new_link.link_duplex = mac->link_duplex;
  	new_link.link_status = mac->link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
  	new_link.link_autoneg =
  	    !(eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
  
  	return rte_eth_linkstatus_set(eth_dev, &new_link);
  }
  
  static int
  hns3_parse_func_status(struct hns3_hw *hw, struct hns3_func_status_cmd *status)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  
  	if (!(status->pf_state & HNS3_PF_STATE_DONE))
  		return -EINVAL;
  
  	pf->is_main_pf = (status->pf_state & HNS3_PF_STATE_MAIN) ? true : false;
  
  	return 0;
  }
  
  static int
  hns3_query_function_status(struct hns3_hw *hw)
  {
  #define HNS3_QUERY_MAX_CNT		10
  #define HNS3_QUERY_SLEEP_MSCOEND	1
  	struct hns3_func_status_cmd *req;
  	struct hns3_cmd_desc desc;
  	int timeout = 0;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_FUNC_STATUS, true);
  	req = (struct hns3_func_status_cmd *)desc.data;
  
  	do {
  		ret = hns3_cmd_send(hw, &desc, 1);
  		if (ret) {
  			PMD_INIT_LOG(ERR, "query function status failed %d",
  				     ret);
  			return ret;
  		}
  
  		/* Check pf reset is done */
  		if (req->pf_state)
  			break;
  
  		rte_delay_ms(HNS3_QUERY_SLEEP_MSCOEND);
  	} while (timeout++ < HNS3_QUERY_MAX_CNT);
  
  	return hns3_parse_func_status(hw, req);
  }
  
  static int
  hns3_get_pf_max_tqp_num(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  
  	if (pf->tqp_config_mode == HNS3_FLEX_MAX_TQP_NUM_MODE) {
  		/*
  		 * The total_tqps_num obtained from firmware is maximum tqp
  		 * numbers of this port, which should be used for PF and VFs.
  		 * There is no need for pf to have so many tqp numbers in
  		 * most cases. RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF,
  		 * coming from config file, is assigned to maximum queue number
  		 * for the PF of this port by user. So users can modify the
  		 * maximum queue number of PF according to their own application
  		 * scenarios, which is more flexible to use. In addition, many
  		 * memories can be saved due to allocating queue statistics
  		 * room according to the actual number of queues required. The
  		 * maximum queue number of PF for network engine with
  		 * revision_id greater than 0x30 is assigned by config file.
  		 */
  		if (RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF <= 0) {
  			hns3_err(hw, "RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF(%d) "
  				 "must be greater than 0.",
  				 RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF);
  			return -EINVAL;
  		}
  
  		hw->tqps_num = RTE_MIN(RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF,
  				       hw->total_tqps_num);
  	} else {
  		/*
  		 * Due to the limitation on the number of PF interrupts
  		 * available, the maximum queue number assigned to PF on
  		 * the network engine with revision_id 0x21 is 64.
  		 */
  		hw->tqps_num = RTE_MIN(hw->total_tqps_num,
  				       HNS3_MAX_TQP_NUM_HIP08_PF);
  	}
  
  	return 0;
  }
  
  static int
  hns3_query_pf_resource(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	struct hns3_pf_res_cmd *req;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_PF_RSRC, true);
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "query pf resource failed %d", ret);
  		return ret;
  	}
  
  	req = (struct hns3_pf_res_cmd *)desc.data;
  	hw->total_tqps_num = rte_le_to_cpu_16(req->tqp_num) +
  			     rte_le_to_cpu_16(req->ext_tqp_num);
  	ret = hns3_get_pf_max_tqp_num(hw);
  	if (ret)
  		return ret;
  
  	pf->pkt_buf_size = rte_le_to_cpu_16(req->buf_size) << HNS3_BUF_UNIT_S;
  	pf->func_num = rte_le_to_cpu_16(req->pf_own_fun_number);
  
  	if (req->tx_buf_size)
  		pf->tx_buf_size =
  		    rte_le_to_cpu_16(req->tx_buf_size) << HNS3_BUF_UNIT_S;
  	else
  		pf->tx_buf_size = HNS3_DEFAULT_TX_BUF;
  
  	pf->tx_buf_size = roundup(pf->tx_buf_size, HNS3_BUF_SIZE_UNIT);
  
  	if (req->dv_buf_size)
  		pf->dv_buf_size =
  		    rte_le_to_cpu_16(req->dv_buf_size) << HNS3_BUF_UNIT_S;
  	else
  		pf->dv_buf_size = HNS3_DEFAULT_DV;
  
  	pf->dv_buf_size = roundup(pf->dv_buf_size, HNS3_BUF_SIZE_UNIT);
  
  	hw->num_msi =
  		hns3_get_field(rte_le_to_cpu_16(req->nic_pf_intr_vector_number),
  			       HNS3_PF_VEC_NUM_M, HNS3_PF_VEC_NUM_S);
  
  	return 0;
  }
  
  static void
  hns3_parse_cfg(struct hns3_cfg *cfg, struct hns3_cmd_desc *desc)
  {
  	struct hns3_cfg_param_cmd *req;
  	uint64_t mac_addr_tmp_high;
  	uint8_t ext_rss_size_max;
  	uint64_t mac_addr_tmp;
  	uint32_t i;
  
  	req = (struct hns3_cfg_param_cmd *)desc[0].data;
  
  	/* get the configuration */
  	cfg->vmdq_vport_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
  					     HNS3_CFG_VMDQ_M, HNS3_CFG_VMDQ_S);
  	cfg->tc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
  				     HNS3_CFG_TC_NUM_M, HNS3_CFG_TC_NUM_S);
  	cfg->tqp_desc_num = hns3_get_field(rte_le_to_cpu_32(req->param[0]),
  					   HNS3_CFG_TQP_DESC_N_M,
  					   HNS3_CFG_TQP_DESC_N_S);
  
  	cfg->phy_addr = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
  				       HNS3_CFG_PHY_ADDR_M,
  				       HNS3_CFG_PHY_ADDR_S);
  	cfg->media_type = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
  					 HNS3_CFG_MEDIA_TP_M,
  					 HNS3_CFG_MEDIA_TP_S);
  	cfg->rx_buf_len = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
  					 HNS3_CFG_RX_BUF_LEN_M,
  					 HNS3_CFG_RX_BUF_LEN_S);
  	/* get mac address */
  	mac_addr_tmp = rte_le_to_cpu_32(req->param[2]);
  	mac_addr_tmp_high = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
  					   HNS3_CFG_MAC_ADDR_H_M,
  					   HNS3_CFG_MAC_ADDR_H_S);
  
  	mac_addr_tmp |= (mac_addr_tmp_high << 31) << 1;
  
  	cfg->default_speed = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
  					    HNS3_CFG_DEFAULT_SPEED_M,
  					    HNS3_CFG_DEFAULT_SPEED_S);
  	cfg->rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[3]),
  					   HNS3_CFG_RSS_SIZE_M,
  					   HNS3_CFG_RSS_SIZE_S);
  
  	for (i = 0; i < RTE_ETHER_ADDR_LEN; i++)
  		cfg->mac_addr[i] = (mac_addr_tmp >> (8 * i)) & 0xff;
  
  	req = (struct hns3_cfg_param_cmd *)desc[1].data;
  	cfg->numa_node_map = rte_le_to_cpu_32(req->param[0]);
  
  	cfg->speed_ability = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
  					    HNS3_CFG_SPEED_ABILITY_M,
  					    HNS3_CFG_SPEED_ABILITY_S);
  	cfg->umv_space = hns3_get_field(rte_le_to_cpu_32(req->param[1]),
  					HNS3_CFG_UMV_TBL_SPACE_M,
  					HNS3_CFG_UMV_TBL_SPACE_S);
  	if (!cfg->umv_space)
  		cfg->umv_space = HNS3_DEFAULT_UMV_SPACE_PER_PF;
  
  	ext_rss_size_max = hns3_get_field(rte_le_to_cpu_32(req->param[2]),
  					       HNS3_CFG_EXT_RSS_SIZE_M,
  					       HNS3_CFG_EXT_RSS_SIZE_S);
  
  	/*
  	 * Field ext_rss_size_max obtained from firmware will be more flexible
  	 * for future changes and expansions, which is an exponent of 2, instead
  	 * of reading out directly. If this field is not zero, hns3 PF PMD
  	 * driver uses it as rss_size_max under one TC. Device, whose revision
  	 * id is greater than or equal to PCI_REVISION_ID_HIP09_A, obtains the
  	 * maximum number of queues supported under a TC through this field.
  	 */
  	if (ext_rss_size_max)
  		cfg->rss_size_max = 1U << ext_rss_size_max;
  }
  
  /* hns3_get_board_cfg: query the static parameter from NCL_config file in flash
   * @hw: pointer to struct hns3_hw
   * @hcfg: the config structure to be getted
   */
  static int
  hns3_get_board_cfg(struct hns3_hw *hw, struct hns3_cfg *hcfg)
  {
  	struct hns3_cmd_desc desc[HNS3_PF_CFG_DESC_NUM];
  	struct hns3_cfg_param_cmd *req;
  	uint32_t offset;
  	uint32_t i;
  	int ret;
  
  	for (i = 0; i < HNS3_PF_CFG_DESC_NUM; i++) {
  		offset = 0;
  		req = (struct hns3_cfg_param_cmd *)desc[i].data;
  		hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_GET_CFG_PARAM,
  					  true);
  		hns3_set_field(offset, HNS3_CFG_OFFSET_M, HNS3_CFG_OFFSET_S,
  			       i * HNS3_CFG_RD_LEN_BYTES);
  		/* Len should be divided by 4 when send to hardware */
  		hns3_set_field(offset, HNS3_CFG_RD_LEN_M, HNS3_CFG_RD_LEN_S,
  			       HNS3_CFG_RD_LEN_BYTES / HNS3_CFG_RD_LEN_UNIT);
  		req->offset = rte_cpu_to_le_32(offset);
  	}
  
  	ret = hns3_cmd_send(hw, desc, HNS3_PF_CFG_DESC_NUM);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "get config failed %d.", ret);
  		return ret;
  	}
  
  	hns3_parse_cfg(hcfg, desc);
  
  	return 0;
  }
  
  static int
  hns3_parse_speed(int speed_cmd, uint32_t *speed)
  {
  	switch (speed_cmd) {
  	case HNS3_CFG_SPEED_10M:
  		*speed = ETH_SPEED_NUM_10M;
  		break;
  	case HNS3_CFG_SPEED_100M:
  		*speed = ETH_SPEED_NUM_100M;
  		break;
  	case HNS3_CFG_SPEED_1G:
  		*speed = ETH_SPEED_NUM_1G;
  		break;
  	case HNS3_CFG_SPEED_10G:
  		*speed = ETH_SPEED_NUM_10G;
  		break;
  	case HNS3_CFG_SPEED_25G:
  		*speed = ETH_SPEED_NUM_25G;
  		break;
  	case HNS3_CFG_SPEED_40G:
  		*speed = ETH_SPEED_NUM_40G;
  		break;
  	case HNS3_CFG_SPEED_50G:
  		*speed = ETH_SPEED_NUM_50G;
  		break;
  	case HNS3_CFG_SPEED_100G:
  		*speed = ETH_SPEED_NUM_100G;
  		break;
  	case HNS3_CFG_SPEED_200G:
  		*speed = ETH_SPEED_NUM_200G;
  		break;
  	default:
  		return -EINVAL;
  	}
  
  	return 0;
  }
  
  static void
  hns3_set_default_dev_specifications(struct hns3_hw *hw)
  {
  	hw->max_non_tso_bd_num = HNS3_MAX_NON_TSO_BD_PER_PKT;
  	hw->rss_ind_tbl_size = HNS3_RSS_IND_TBL_SIZE;
  	hw->rss_key_size = HNS3_RSS_KEY_SIZE;
  	hw->max_tm_rate = HNS3_ETHER_MAX_RATE;
  	hw->intr.int_ql_max = HNS3_INTR_QL_NONE;
  }
  
  static void
  hns3_parse_dev_specifications(struct hns3_hw *hw, struct hns3_cmd_desc *desc)
  {
  	struct hns3_dev_specs_0_cmd *req0;
  
  	req0 = (struct hns3_dev_specs_0_cmd *)desc[0].data;
  
  	hw->max_non_tso_bd_num = req0->max_non_tso_bd_num;
  	hw->rss_ind_tbl_size = rte_le_to_cpu_16(req0->rss_ind_tbl_size);
  	hw->rss_key_size = rte_le_to_cpu_16(req0->rss_key_size);
  	hw->max_tm_rate = rte_le_to_cpu_32(req0->max_tm_rate);
  	hw->intr.int_ql_max = rte_le_to_cpu_16(req0->intr_ql_max);
  }
  
  static int
  hns3_query_dev_specifications(struct hns3_hw *hw)
  {
  	struct hns3_cmd_desc desc[HNS3_QUERY_DEV_SPECS_BD_NUM];
  	int ret;
  	int i;
  
  	for (i = 0; i < HNS3_QUERY_DEV_SPECS_BD_NUM - 1; i++) {
  		hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS,
  					  true);
  		desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
  	}
  	hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS, true);
  
  	ret = hns3_cmd_send(hw, desc, HNS3_QUERY_DEV_SPECS_BD_NUM);
  	if (ret)
  		return ret;
  
  	hns3_parse_dev_specifications(hw, desc);
  
  	return 0;
  }
  
  static int
  hns3_get_capability(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct rte_pci_device *pci_dev;
  	struct hns3_pf *pf = &hns->pf;
  	struct rte_eth_dev *eth_dev;
  	uint16_t device_id;
  	uint8_t revision;
  	int ret;
  
  	eth_dev = &rte_eth_devices[hw->data->port_id];
  	pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
  	device_id = pci_dev->id.device_id;
  
  	if (device_id == HNS3_DEV_ID_25GE_RDMA ||
  	    device_id == HNS3_DEV_ID_50GE_RDMA ||
  	    device_id == HNS3_DEV_ID_100G_RDMA_MACSEC ||
  	    device_id == HNS3_DEV_ID_200G_RDMA)
  		hns3_set_bit(hw->capability, HNS3_DEV_SUPPORT_DCB_B, 1);
  
  	/* Get PCI revision id */
  	ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN,
  				  HNS3_PCI_REVISION_ID);
  	if (ret != HNS3_PCI_REVISION_ID_LEN) {
  		PMD_INIT_LOG(ERR, "failed to read pci revision id, ret = %d",
  			     ret);
  		return -EIO;
  	}
  	hw->revision = revision;
  
  	if (revision < PCI_REVISION_ID_HIP09_A) {
  		hns3_set_default_dev_specifications(hw);
  		hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_RSV_ONE;
  		hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_2US;
  		hw->tso_mode = HNS3_TSO_SW_CAL_PSEUDO_H_CSUM;
  		hw->vlan_mode = HNS3_SW_SHIFT_AND_DISCARD_MODE;
  		hw->min_tx_pkt_len = HNS3_HIP08_MIN_TX_PKT_LEN;
  		pf->tqp_config_mode = HNS3_FIXED_MAX_TQP_NUM_MODE;
  		hw->rss_info.ipv6_sctp_offload_supported = false;
  		return 0;
  	}
  
  	ret = hns3_query_dev_specifications(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR,
  			     "failed to query dev specifications, ret = %d",
  			     ret);
  		return ret;
  	}
  
  	hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_ALL;
  	hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_1US;
  	hw->tso_mode = HNS3_TSO_HW_CAL_PSEUDO_H_CSUM;
  	hw->vlan_mode = HNS3_HW_SHIFT_AND_DISCARD_MODE;
  	hw->min_tx_pkt_len = HNS3_HIP09_MIN_TX_PKT_LEN;
  	pf->tqp_config_mode = HNS3_FLEX_MAX_TQP_NUM_MODE;
  	hw->rss_info.ipv6_sctp_offload_supported = true;
  
  	return 0;
  }
  
  static int
  hns3_get_board_configuration(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	struct hns3_cfg cfg;
  	int ret;
  
  	ret = hns3_get_board_cfg(hw, &cfg);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "get board config failed %d", ret);
  		return ret;
  	}
  
  	if (cfg.media_type == HNS3_MEDIA_TYPE_COPPER &&
  	    !hns3_dev_copper_supported(hw)) {
  		PMD_INIT_LOG(ERR, "media type is copper, not supported.");
  		return -EOPNOTSUPP;
  	}
  
  	hw->mac.media_type = cfg.media_type;
  	hw->rss_size_max = cfg.rss_size_max;
  	hw->rss_dis_flag = false;
  	memcpy(hw->mac.mac_addr, cfg.mac_addr, RTE_ETHER_ADDR_LEN);
  	hw->mac.phy_addr = cfg.phy_addr;
  	hw->mac.default_addr_setted = false;
  	hw->num_tx_desc = cfg.tqp_desc_num;
  	hw->num_rx_desc = cfg.tqp_desc_num;
  	hw->dcb_info.num_pg = 1;
  	hw->dcb_info.hw_pfc_map = 0;
  
  	ret = hns3_parse_speed(cfg.default_speed, &hw->mac.link_speed);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Get wrong speed %u, ret = %d",
  			     cfg.default_speed, ret);
  		return ret;
  	}
  
  	pf->tc_max = cfg.tc_num;
  	if (pf->tc_max > HNS3_MAX_TC_NUM || pf->tc_max < 1) {
  		PMD_INIT_LOG(WARNING,
  			     "Get TC num(%u) from flash, set TC num to 1",
  			     pf->tc_max);
  		pf->tc_max = 1;
  	}
  
  	/* Dev does not support DCB */
  	if (!hns3_dev_dcb_supported(hw)) {
  		pf->tc_max = 1;
  		pf->pfc_max = 0;
  	} else
  		pf->pfc_max = pf->tc_max;
  
  	hw->dcb_info.num_tc = 1;
  	hw->alloc_rss_size = RTE_MIN(hw->rss_size_max,
  				     hw->tqps_num / hw->dcb_info.num_tc);
  	hns3_set_bit(hw->hw_tc_map, 0, 1);
  	pf->tx_sch_mode = HNS3_FLAG_TC_BASE_SCH_MODE;
  
  	pf->wanted_umv_size = cfg.umv_space;
  
  	return ret;
  }
  
  static int
  hns3_get_configuration(struct hns3_hw *hw)
  {
  	int ret;
  
  	ret = hns3_query_function_status(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to query function status: %d.", ret);
  		return ret;
  	}
  
  	/* Get device capability */
  	ret = hns3_get_capability(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "failed to get device capability: %d.", ret);
  		return ret;
  	}
  
  	/* Get pf resource */
  	ret = hns3_query_pf_resource(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to query pf resource: %d", ret);
  		return ret;
  	}
  
  	ret = hns3_get_board_configuration(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "failed to get board configuration: %d", ret);
  		return ret;
  	}
  
  	ret = hns3_query_dev_fec_info(hw);
  	if (ret)
  		PMD_INIT_LOG(ERR,
  			     "failed to query FEC information, ret = %d", ret);
  
  	return ret;
  }
  
  static int
  hns3_map_tqps_to_func(struct hns3_hw *hw, uint16_t func_id, uint16_t tqp_pid,
  		      uint16_t tqp_vid, bool is_pf)
  {
  	struct hns3_tqp_map_cmd *req;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SET_TQP_MAP, false);
  
  	req = (struct hns3_tqp_map_cmd *)desc.data;
  	req->tqp_id = rte_cpu_to_le_16(tqp_pid);
  	req->tqp_vf = func_id;
  	req->tqp_flag = 1 << HNS3_TQP_MAP_EN_B;
  	if (!is_pf)
  		req->tqp_flag |= (1 << HNS3_TQP_MAP_TYPE_B);
  	req->tqp_vid = rte_cpu_to_le_16(tqp_vid);
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		PMD_INIT_LOG(ERR, "TQP map failed %d", ret);
  
  	return ret;
  }
  
  static int
  hns3_map_tqp(struct hns3_hw *hw)
  {
  	int ret;
  	int i;
  
  	/*
  	 * In current version, VF is not supported when PF is driven by DPDK
  	 * driver, so we assign total tqps_num tqps allocated to this port
  	 * to PF.
  	 */
  	for (i = 0; i < hw->total_tqps_num; i++) {
  		ret = hns3_map_tqps_to_func(hw, HNS3_PF_FUNC_ID, i, i, true);
  		if (ret)
  			return ret;
  	}
  
  	return 0;
  }
  
  static int
  hns3_cfg_mac_speed_dup_hw(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
  {
  	struct hns3_config_mac_speed_dup_cmd *req;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	req = (struct hns3_config_mac_speed_dup_cmd *)desc.data;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_SPEED_DUP, false);
  
  	hns3_set_bit(req->speed_dup, HNS3_CFG_DUPLEX_B, !!duplex ? 1 : 0);
  
  	switch (speed) {
  	case ETH_SPEED_NUM_10M:
  		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
  			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10M);
  		break;
  	case ETH_SPEED_NUM_100M:
  		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
  			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100M);
  		break;
  	case ETH_SPEED_NUM_1G:
  		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
  			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_1G);
  		break;
  	case ETH_SPEED_NUM_10G:
  		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
  			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_10G);
  		break;
  	case ETH_SPEED_NUM_25G:
  		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
  			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_25G);
  		break;
  	case ETH_SPEED_NUM_40G:
  		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
  			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_40G);
  		break;
  	case ETH_SPEED_NUM_50G:
  		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
  			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_50G);
  		break;
  	case ETH_SPEED_NUM_100G:
  		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
  			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_100G);
  		break;
  	case ETH_SPEED_NUM_200G:
  		hns3_set_field(req->speed_dup, HNS3_CFG_SPEED_M,
  			       HNS3_CFG_SPEED_S, HNS3_CFG_SPEED_200G);
  		break;
  	default:
  		PMD_INIT_LOG(ERR, "invalid speed (%u)", speed);
  		return -EINVAL;
  	}
  
  	hns3_set_bit(req->mac_change_fec_en, HNS3_CFG_MAC_SPEED_CHANGE_EN_B, 1);
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		PMD_INIT_LOG(ERR, "mac speed/duplex config cmd failed %d", ret);
  
  	return ret;
  }
  
  static int
  hns3_tx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	struct hns3_priv_buf *priv;
  	uint32_t i, total_size;
  
  	total_size = pf->pkt_buf_size;
  
  	/* alloc tx buffer for all enabled tc */
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
  		priv = &buf_alloc->priv_buf[i];
  
  		if (hw->hw_tc_map & BIT(i)) {
  			if (total_size < pf->tx_buf_size)
  				return -ENOMEM;
  
  			priv->tx_buf_size = pf->tx_buf_size;
  		} else
  			priv->tx_buf_size = 0;
  
  		total_size -= priv->tx_buf_size;
  	}
  
  	return 0;
  }
  
  static int
  hns3_tx_buffer_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
  {
  /* TX buffer size is unit by 128 byte */
  #define HNS3_BUF_SIZE_UNIT_SHIFT	7
  #define HNS3_BUF_SIZE_UPDATE_EN_MSK	BIT(15)
  	struct hns3_tx_buff_alloc_cmd *req;
  	struct hns3_cmd_desc desc;
  	uint32_t buf_size;
  	uint32_t i;
  	int ret;
  
  	req = (struct hns3_tx_buff_alloc_cmd *)desc.data;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_TX_BUFF_ALLOC, 0);
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
  		buf_size = buf_alloc->priv_buf[i].tx_buf_size;
  
  		buf_size = buf_size >> HNS3_BUF_SIZE_UNIT_SHIFT;
  		req->tx_pkt_buff[i] = rte_cpu_to_le_16(buf_size |
  						HNS3_BUF_SIZE_UPDATE_EN_MSK);
  	}
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		PMD_INIT_LOG(ERR, "tx buffer alloc cmd failed %d", ret);
  
  	return ret;
  }
  
  static int
  hns3_get_tc_num(struct hns3_hw *hw)
  {
  	int cnt = 0;
  	uint8_t i;
  
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++)
  		if (hw->hw_tc_map & BIT(i))
  			cnt++;
  	return cnt;
  }
  
  static uint32_t
  hns3_get_rx_priv_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	struct hns3_priv_buf *priv;
  	uint32_t rx_priv = 0;
  	int i;
  
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
  		priv = &buf_alloc->priv_buf[i];
  		if (priv->enable)
  			rx_priv += priv->buf_size;
  	}
  	return rx_priv;
  }
  
  static uint32_t
  hns3_get_tx_buff_alloced(struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	uint32_t total_tx_size = 0;
  	uint32_t i;
  
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++)
  		total_tx_size += buf_alloc->priv_buf[i].tx_buf_size;
  
  	return total_tx_size;
  }
  
  /* Get the number of pfc enabled TCs, which have private buffer */
  static int
  hns3_get_pfc_priv_num(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	struct hns3_priv_buf *priv;
  	int cnt = 0;
  	uint8_t i;
  
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
  		priv = &buf_alloc->priv_buf[i];
  		if ((hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
  			cnt++;
  	}
  
  	return cnt;
  }
  
  /* Get the number of pfc disabled TCs, which have private buffer */
  static int
  hns3_get_no_pfc_priv_num(struct hns3_hw *hw,
  			 struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	struct hns3_priv_buf *priv;
  	int cnt = 0;
  	uint8_t i;
  
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
  		priv = &buf_alloc->priv_buf[i];
  		if (hw->hw_tc_map & BIT(i) &&
  		    !(hw->dcb_info.hw_pfc_map & BIT(i)) && priv->enable)
  			cnt++;
  	}
  
  	return cnt;
  }
  
  static bool
  hns3_is_rx_buf_ok(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc,
  		  uint32_t rx_all)
  {
  	uint32_t shared_buf_min, shared_buf_tc, shared_std, hi_thrd, lo_thrd;
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	uint32_t shared_buf, aligned_mps;
  	uint32_t rx_priv;
  	uint8_t tc_num;
  	uint8_t i;
  
  	tc_num = hns3_get_tc_num(hw);
  	aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
  
  	if (hns3_dev_dcb_supported(hw))
  		shared_buf_min = HNS3_BUF_MUL_BY * aligned_mps +
  					pf->dv_buf_size;
  	else
  		shared_buf_min = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF
  					+ pf->dv_buf_size;
  
  	shared_buf_tc = tc_num * aligned_mps + aligned_mps;
  	shared_std = roundup(RTE_MAX(shared_buf_min, shared_buf_tc),
  			     HNS3_BUF_SIZE_UNIT);
  
  	rx_priv = hns3_get_rx_priv_buff_alloced(buf_alloc);
  	if (rx_all < rx_priv + shared_std)
  		return false;
  
  	shared_buf = rounddown(rx_all - rx_priv, HNS3_BUF_SIZE_UNIT);
  	buf_alloc->s_buf.buf_size = shared_buf;
  	if (hns3_dev_dcb_supported(hw)) {
  		buf_alloc->s_buf.self.high = shared_buf - pf->dv_buf_size;
  		buf_alloc->s_buf.self.low = buf_alloc->s_buf.self.high
  			- roundup(aligned_mps / HNS3_BUF_DIV_BY,
  				  HNS3_BUF_SIZE_UNIT);
  	} else {
  		buf_alloc->s_buf.self.high =
  			aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
  		buf_alloc->s_buf.self.low = aligned_mps;
  	}
  
  	if (hns3_dev_dcb_supported(hw)) {
  		hi_thrd = shared_buf - pf->dv_buf_size;
  
  		if (tc_num <= NEED_RESERVE_TC_NUM)
  			hi_thrd = hi_thrd * BUF_RESERVE_PERCENT /
  				  BUF_MAX_PERCENT;
  
  		if (tc_num)
  			hi_thrd = hi_thrd / tc_num;
  
  		hi_thrd = RTE_MAX(hi_thrd, HNS3_BUF_MUL_BY * aligned_mps);
  		hi_thrd = rounddown(hi_thrd, HNS3_BUF_SIZE_UNIT);
  		lo_thrd = hi_thrd - aligned_mps / HNS3_BUF_DIV_BY;
  	} else {
  		hi_thrd = aligned_mps + HNS3_NON_DCB_ADDITIONAL_BUF;
  		lo_thrd = aligned_mps;
  	}
  
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
  		buf_alloc->s_buf.tc_thrd[i].low = lo_thrd;
  		buf_alloc->s_buf.tc_thrd[i].high = hi_thrd;
  	}
  
  	return true;
  }
  
  static bool
  hns3_rx_buf_calc_all(struct hns3_hw *hw, bool max,
  		     struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	struct hns3_priv_buf *priv;
  	uint32_t aligned_mps;
  	uint32_t rx_all;
  	uint8_t i;
  
  	rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
  	aligned_mps = roundup(pf->mps, HNS3_BUF_SIZE_UNIT);
  
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
  		priv = &buf_alloc->priv_buf[i];
  
  		priv->enable = 0;
  		priv->wl.low = 0;
  		priv->wl.high = 0;
  		priv->buf_size = 0;
  
  		if (!(hw->hw_tc_map & BIT(i)))
  			continue;
  
  		priv->enable = 1;
  		if (hw->dcb_info.hw_pfc_map & BIT(i)) {
  			priv->wl.low = max ? aligned_mps : HNS3_BUF_SIZE_UNIT;
  			priv->wl.high = roundup(priv->wl.low + aligned_mps,
  						HNS3_BUF_SIZE_UNIT);
  		} else {
  			priv->wl.low = 0;
  			priv->wl.high = max ? (aligned_mps * HNS3_BUF_MUL_BY) :
  					aligned_mps;
  		}
  
  		priv->buf_size = priv->wl.high + pf->dv_buf_size;
  	}
  
  	return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
  }
  
  static bool
  hns3_drop_nopfc_buf_till_fit(struct hns3_hw *hw,
  			     struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	struct hns3_priv_buf *priv;
  	int no_pfc_priv_num;
  	uint32_t rx_all;
  	uint8_t mask;
  	int i;
  
  	rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
  	no_pfc_priv_num = hns3_get_no_pfc_priv_num(hw, buf_alloc);
  
  	/* let the last to be cleared first */
  	for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
  		priv = &buf_alloc->priv_buf[i];
  		mask = BIT((uint8_t)i);
  
  		if (hw->hw_tc_map & mask &&
  		    !(hw->dcb_info.hw_pfc_map & mask)) {
  			/* Clear the no pfc TC private buffer */
  			priv->wl.low = 0;
  			priv->wl.high = 0;
  			priv->buf_size = 0;
  			priv->enable = 0;
  			no_pfc_priv_num--;
  		}
  
  		if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
  		    no_pfc_priv_num == 0)
  			break;
  	}
  
  	return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
  }
  
  static bool
  hns3_drop_pfc_buf_till_fit(struct hns3_hw *hw,
  			   struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	struct hns3_priv_buf *priv;
  	uint32_t rx_all;
  	int pfc_priv_num;
  	uint8_t mask;
  	int i;
  
  	rx_all = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
  	pfc_priv_num = hns3_get_pfc_priv_num(hw, buf_alloc);
  
  	/* let the last to be cleared first */
  	for (i = HNS3_MAX_TC_NUM - 1; i >= 0; i--) {
  		priv = &buf_alloc->priv_buf[i];
  		mask = BIT((uint8_t)i);
  		if (hw->hw_tc_map & mask && hw->dcb_info.hw_pfc_map & mask) {
  			/* Reduce the number of pfc TC with private buffer */
  			priv->wl.low = 0;
  			priv->enable = 0;
  			priv->wl.high = 0;
  			priv->buf_size = 0;
  			pfc_priv_num--;
  		}
  		if (hns3_is_rx_buf_ok(hw, buf_alloc, rx_all) ||
  		    pfc_priv_num == 0)
  			break;
  	}
  
  	return hns3_is_rx_buf_ok(hw, buf_alloc, rx_all);
  }
  
  static bool
  hns3_only_alloc_priv_buff(struct hns3_hw *hw,
  			  struct hns3_pkt_buf_alloc *buf_alloc)
  {
  #define COMPENSATE_BUFFER	0x3C00
  #define COMPENSATE_HALF_MPS_NUM	5
  #define PRIV_WL_GAP		0x1800
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	uint32_t tc_num = hns3_get_tc_num(hw);
  	uint32_t half_mps = pf->mps >> 1;
  	struct hns3_priv_buf *priv;
  	uint32_t min_rx_priv;
  	uint32_t rx_priv;
  	uint8_t i;
  
  	rx_priv = pf->pkt_buf_size - hns3_get_tx_buff_alloced(buf_alloc);
  	if (tc_num)
  		rx_priv = rx_priv / tc_num;
  
  	if (tc_num <= NEED_RESERVE_TC_NUM)
  		rx_priv = rx_priv * BUF_RESERVE_PERCENT / BUF_MAX_PERCENT;
  
  	/*
  	 * Minimum value of private buffer in rx direction (min_rx_priv) is
  	 * equal to "DV + 2.5 * MPS + 15KB". Driver only allocates rx private
  	 * buffer if rx_priv is greater than min_rx_priv.
  	 */
  	min_rx_priv = pf->dv_buf_size + COMPENSATE_BUFFER +
  			COMPENSATE_HALF_MPS_NUM * half_mps;
  	min_rx_priv = roundup(min_rx_priv, HNS3_BUF_SIZE_UNIT);
  	rx_priv = rounddown(rx_priv, HNS3_BUF_SIZE_UNIT);
  
  	if (rx_priv < min_rx_priv)
  		return false;
  
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
  		priv = &buf_alloc->priv_buf[i];
  		priv->enable = 0;
  		priv->wl.low = 0;
  		priv->wl.high = 0;
  		priv->buf_size = 0;
  
  		if (!(hw->hw_tc_map & BIT(i)))
  			continue;
  
  		priv->enable = 1;
  		priv->buf_size = rx_priv;
  		priv->wl.high = rx_priv - pf->dv_buf_size;
  		priv->wl.low = priv->wl.high - PRIV_WL_GAP;
  	}
  
  	buf_alloc->s_buf.buf_size = 0;
  
  	return true;
  }
  
  /*
   * hns3_rx_buffer_calc: calculate the rx private buffer size for all TCs
   * @hw: pointer to struct hns3_hw
   * @buf_alloc: pointer to buffer calculation data
   * @return: 0: calculate sucessful, negative: fail
   */
  static int
  hns3_rx_buffer_calc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	/* When DCB is not supported, rx private buffer is not allocated. */
  	if (!hns3_dev_dcb_supported(hw)) {
  		struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  		struct hns3_pf *pf = &hns->pf;
  		uint32_t rx_all = pf->pkt_buf_size;
  
  		rx_all -= hns3_get_tx_buff_alloced(buf_alloc);
  		if (!hns3_is_rx_buf_ok(hw, buf_alloc, rx_all))
  			return -ENOMEM;
  
  		return 0;
  	}
  
  	/*
  	 * Try to allocate privated packet buffer for all TCs without share
  	 * buffer.
  	 */
  	if (hns3_only_alloc_priv_buff(hw, buf_alloc))
  		return 0;
  
  	/*
  	 * Try to allocate privated packet buffer for all TCs with share
  	 * buffer.
  	 */
  	if (hns3_rx_buf_calc_all(hw, true, buf_alloc))
  		return 0;
  
  	/*
  	 * For different application scenes, the enabled port number, TC number
  	 * and no_drop TC number are different. In order to obtain the better
  	 * performance, software could allocate the buffer size and configure
  	 * the waterline by tring to decrease the private buffer size according
  	 * to the order, namely, waterline of valided tc, pfc disabled tc, pfc
  	 * enabled tc.
  	 */
  	if (hns3_rx_buf_calc_all(hw, false, buf_alloc))
  		return 0;
  
  	if (hns3_drop_nopfc_buf_till_fit(hw, buf_alloc))
  		return 0;
  
  	if (hns3_drop_pfc_buf_till_fit(hw, buf_alloc))
  		return 0;
  
  	return -ENOMEM;
  }
  
  static int
  hns3_rx_priv_buf_alloc(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	struct hns3_rx_priv_buff_cmd *req;
  	struct hns3_cmd_desc desc;
  	uint32_t buf_size;
  	int ret;
  	int i;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_PRIV_BUFF_ALLOC, false);
  	req = (struct hns3_rx_priv_buff_cmd *)desc.data;
  
  	/* Alloc private buffer TCs */
  	for (i = 0; i < HNS3_MAX_TC_NUM; i++) {
  		struct hns3_priv_buf *priv = &buf_alloc->priv_buf[i];
  
  		req->buf_num[i] =
  			rte_cpu_to_le_16(priv->buf_size >> HNS3_BUF_UNIT_S);
  		req->buf_num[i] |= rte_cpu_to_le_16(1 << HNS3_TC0_PRI_BUF_EN_B);
  	}
  
  	buf_size = buf_alloc->s_buf.buf_size;
  	req->shared_buf = rte_cpu_to_le_16((buf_size >> HNS3_BUF_UNIT_S) |
  					   (1 << HNS3_TC0_PRI_BUF_EN_B));
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		PMD_INIT_LOG(ERR, "rx private buffer alloc cmd failed %d", ret);
  
  	return ret;
  }
  
  static int
  hns3_rx_priv_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
  {
  #define HNS3_RX_PRIV_WL_ALLOC_DESC_NUM 2
  	struct hns3_rx_priv_wl_buf *req;
  	struct hns3_priv_buf *priv;
  	struct hns3_cmd_desc desc[HNS3_RX_PRIV_WL_ALLOC_DESC_NUM];
  	int i, j;
  	int ret;
  
  	for (i = 0; i < HNS3_RX_PRIV_WL_ALLOC_DESC_NUM; i++) {
  		hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_PRIV_WL_ALLOC,
  					  false);
  		req = (struct hns3_rx_priv_wl_buf *)desc[i].data;
  
  		/* The first descriptor set the NEXT bit to 1 */
  		if (i == 0)
  			desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
  		else
  			desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
  
  		for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
  			uint32_t idx = i * HNS3_TC_NUM_ONE_DESC + j;
  
  			priv = &buf_alloc->priv_buf[idx];
  			req->tc_wl[j].high = rte_cpu_to_le_16(priv->wl.high >>
  							HNS3_BUF_UNIT_S);
  			req->tc_wl[j].high |=
  				rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
  			req->tc_wl[j].low = rte_cpu_to_le_16(priv->wl.low >>
  							HNS3_BUF_UNIT_S);
  			req->tc_wl[j].low |=
  				rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
  		}
  	}
  
  	/* Send 2 descriptor at one time */
  	ret = hns3_cmd_send(hw, desc, HNS3_RX_PRIV_WL_ALLOC_DESC_NUM);
  	if (ret)
  		PMD_INIT_LOG(ERR, "rx private waterline config cmd failed %d",
  			     ret);
  	return ret;
  }
  
  static int
  hns3_common_thrd_config(struct hns3_hw *hw,
  			struct hns3_pkt_buf_alloc *buf_alloc)
  {
  #define HNS3_RX_COM_THRD_ALLOC_DESC_NUM 2
  	struct hns3_shared_buf *s_buf = &buf_alloc->s_buf;
  	struct hns3_rx_com_thrd *req;
  	struct hns3_cmd_desc desc[HNS3_RX_COM_THRD_ALLOC_DESC_NUM];
  	struct hns3_tc_thrd *tc;
  	int tc_idx;
  	int i, j;
  	int ret;
  
  	for (i = 0; i < HNS3_RX_COM_THRD_ALLOC_DESC_NUM; i++) {
  		hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_RX_COM_THRD_ALLOC,
  					  false);
  		req = (struct hns3_rx_com_thrd *)&desc[i].data;
  
  		/* The first descriptor set the NEXT bit to 1 */
  		if (i == 0)
  			desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
  		else
  			desc[i].flag &= ~rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT);
  
  		for (j = 0; j < HNS3_TC_NUM_ONE_DESC; j++) {
  			tc_idx = i * HNS3_TC_NUM_ONE_DESC + j;
  			tc = &s_buf->tc_thrd[tc_idx];
  
  			req->com_thrd[j].high =
  				rte_cpu_to_le_16(tc->high >> HNS3_BUF_UNIT_S);
  			req->com_thrd[j].high |=
  				 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
  			req->com_thrd[j].low =
  				rte_cpu_to_le_16(tc->low >> HNS3_BUF_UNIT_S);
  			req->com_thrd[j].low |=
  				 rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
  		}
  	}
  
  	/* Send 2 descriptors at one time */
  	ret = hns3_cmd_send(hw, desc, HNS3_RX_COM_THRD_ALLOC_DESC_NUM);
  	if (ret)
  		PMD_INIT_LOG(ERR, "common threshold config cmd failed %d", ret);
  
  	return ret;
  }
  
  static int
  hns3_common_wl_config(struct hns3_hw *hw, struct hns3_pkt_buf_alloc *buf_alloc)
  {
  	struct hns3_shared_buf *buf = &buf_alloc->s_buf;
  	struct hns3_rx_com_wl *req;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_RX_COM_WL_ALLOC, false);
  
  	req = (struct hns3_rx_com_wl *)desc.data;
  	req->com_wl.high = rte_cpu_to_le_16(buf->self.high >> HNS3_BUF_UNIT_S);
  	req->com_wl.high |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
  
  	req->com_wl.low = rte_cpu_to_le_16(buf->self.low >> HNS3_BUF_UNIT_S);
  	req->com_wl.low |= rte_cpu_to_le_16(BIT(HNS3_RX_PRIV_EN_B));
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		PMD_INIT_LOG(ERR, "common waterline config cmd failed %d", ret);
  
  	return ret;
  }
  
  int
  hns3_buffer_alloc(struct hns3_hw *hw)
  {
  	struct hns3_pkt_buf_alloc pkt_buf;
  	int ret;
  
  	memset(&pkt_buf, 0, sizeof(pkt_buf));
  	ret = hns3_tx_buffer_calc(hw, &pkt_buf);
  	if (ret) {
  		PMD_INIT_LOG(ERR,
  			     "could not calc tx buffer size for all TCs %d",
  			     ret);
  		return ret;
  	}
  
  	ret = hns3_tx_buffer_alloc(hw, &pkt_buf);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "could not alloc tx buffers %d", ret);
  		return ret;
  	}
  
  	ret = hns3_rx_buffer_calc(hw, &pkt_buf);
  	if (ret) {
  		PMD_INIT_LOG(ERR,
  			     "could not calc rx priv buffer size for all TCs %d",
  			     ret);
  		return ret;
  	}
  
  	ret = hns3_rx_priv_buf_alloc(hw, &pkt_buf);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "could not alloc rx priv buffer %d", ret);
  		return ret;
  	}
  
  	if (hns3_dev_dcb_supported(hw)) {
  		ret = hns3_rx_priv_wl_config(hw, &pkt_buf);
  		if (ret) {
  			PMD_INIT_LOG(ERR,
  				     "could not configure rx private waterline %d",
  				     ret);
  			return ret;
  		}
  
  		ret = hns3_common_thrd_config(hw, &pkt_buf);
  		if (ret) {
  			PMD_INIT_LOG(ERR,
  				     "could not configure common threshold %d",
  				     ret);
  			return ret;
  		}
  	}
  
  	ret = hns3_common_wl_config(hw, &pkt_buf);
  	if (ret)
  		PMD_INIT_LOG(ERR, "could not configure common waterline %d",
  			     ret);
  
  	return ret;
  }
  
  static int
  hns3_mac_init(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_mac *mac = &hw->mac;
  	struct hns3_pf *pf = &hns->pf;
  	int ret;
  
  	pf->support_sfp_query = true;
  	mac->link_duplex = ETH_LINK_FULL_DUPLEX;
  	ret = hns3_cfg_mac_speed_dup_hw(hw, mac->link_speed, mac->link_duplex);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Config mac speed dup fail ret = %d", ret);
  		return ret;
  	}
  
  	mac->link_status = ETH_LINK_DOWN;
  
  	return hns3_config_mtu(hw, pf->mps);
  }
  
  static int
  hns3_get_mac_ethertype_cmd_status(uint16_t cmdq_resp, uint8_t resp_code)
  {
  #define HNS3_ETHERTYPE_SUCCESS_ADD		0
  #define HNS3_ETHERTYPE_ALREADY_ADD		1
  #define HNS3_ETHERTYPE_MGR_TBL_OVERFLOW		2
  #define HNS3_ETHERTYPE_KEY_CONFLICT		3
  	int return_status;
  
  	if (cmdq_resp) {
  		PMD_INIT_LOG(ERR,
  			     "cmdq execute failed for get_mac_ethertype_cmd_status, status=%u.\n",
  			     cmdq_resp);
  		return -EIO;
  	}
  
  	switch (resp_code) {
  	case HNS3_ETHERTYPE_SUCCESS_ADD:
  	case HNS3_ETHERTYPE_ALREADY_ADD:
  		return_status = 0;
  		break;
  	case HNS3_ETHERTYPE_MGR_TBL_OVERFLOW:
  		PMD_INIT_LOG(ERR,
  			     "add mac ethertype failed for manager table overflow.");
  		return_status = -EIO;
  		break;
  	case HNS3_ETHERTYPE_KEY_CONFLICT:
  		PMD_INIT_LOG(ERR, "add mac ethertype failed for key conflict.");
  		return_status = -EIO;
  		break;
  	default:
  		PMD_INIT_LOG(ERR,
  			     "add mac ethertype failed for undefined, code=%u.",
  			     resp_code);
  		return_status = -EIO;
  		break;
  	}
  
  	return return_status;
  }
  
  static int
  hns3_add_mgr_tbl(struct hns3_hw *hw,
  		 const struct hns3_mac_mgr_tbl_entry_cmd *req)
  {
  	struct hns3_cmd_desc desc;
  	uint8_t resp_code;
  	uint16_t retval;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_MAC_ETHTYPE_ADD, false);
  	memcpy(desc.data, req, sizeof(struct hns3_mac_mgr_tbl_entry_cmd));
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret) {
  		PMD_INIT_LOG(ERR,
  			     "add mac ethertype failed for cmd_send, ret =%d.",
  			     ret);
  		return ret;
  	}
  
  	resp_code = (rte_le_to_cpu_32(desc.data[0]) >> 8) & 0xff;
  	retval = rte_le_to_cpu_16(desc.retval);
  
  	return hns3_get_mac_ethertype_cmd_status(retval, resp_code);
  }
  
  static void
  hns3_prepare_mgr_tbl(struct hns3_mac_mgr_tbl_entry_cmd *mgr_table,
  		     int *table_item_num)
  {
  	struct hns3_mac_mgr_tbl_entry_cmd *tbl;
  
  	/*
  	 * In current version, we add one item in management table as below:
  	 * 0x0180C200000E -- LLDP MC address
  	 */
  	tbl = mgr_table;
  	tbl->flags = HNS3_MAC_MGR_MASK_VLAN_B;
  	tbl->ethter_type = rte_cpu_to_le_16(HNS3_MAC_ETHERTYPE_LLDP);
  	tbl->mac_addr_hi32 = rte_cpu_to_le_32(htonl(0x0180C200));
  	tbl->mac_addr_lo16 = rte_cpu_to_le_16(htons(0x000E));
  	tbl->i_port_bitmap = 0x1;
  	*table_item_num = 1;
  }
  
  static int
  hns3_init_mgr_tbl(struct hns3_hw *hw)
  {
  #define HNS_MAC_MGR_TBL_MAX_SIZE	16
  	struct hns3_mac_mgr_tbl_entry_cmd mgr_table[HNS_MAC_MGR_TBL_MAX_SIZE];
  	int table_item_num;
  	int ret;
  	int i;
  
  	memset(mgr_table, 0, sizeof(mgr_table));
  	hns3_prepare_mgr_tbl(mgr_table, &table_item_num);
  	for (i = 0; i < table_item_num; i++) {
  		ret = hns3_add_mgr_tbl(hw, &mgr_table[i]);
  		if (ret) {
  			PMD_INIT_LOG(ERR, "add mac ethertype failed, ret =%d",
  				     ret);
  			return ret;
  		}
  	}
  
  	return 0;
  }
  
  static void
  hns3_promisc_param_init(struct hns3_promisc_param *param, bool en_uc,
  			bool en_mc, bool en_bc, int vport_id)
  {
  	if (!param)
  		return;
  
  	memset(param, 0, sizeof(struct hns3_promisc_param));
  	if (en_uc)
  		param->enable = HNS3_PROMISC_EN_UC;
  	if (en_mc)
  		param->enable |= HNS3_PROMISC_EN_MC;
  	if (en_bc)
  		param->enable |= HNS3_PROMISC_EN_BC;
  	param->vf_id = vport_id;
  }
  
  static int
  hns3_cmd_set_promisc_mode(struct hns3_hw *hw, struct hns3_promisc_param *param)
  {
  	struct hns3_promisc_cfg_cmd *req;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_PROMISC_MODE, false);
  
  	req = (struct hns3_promisc_cfg_cmd *)desc.data;
  	req->vf_id = param->vf_id;
  	req->flag = (param->enable << HNS3_PROMISC_EN_B) |
  	    HNS3_PROMISC_TX_EN_B | HNS3_PROMISC_RX_EN_B;
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		PMD_INIT_LOG(ERR, "Set promisc mode fail, ret = %d", ret);
  
  	return ret;
  }
  
  static int
  hns3_set_promisc_mode(struct hns3_hw *hw, bool en_uc_pmc, bool en_mc_pmc)
  {
  	struct hns3_promisc_param param;
  	bool en_bc_pmc = true;
  	uint8_t vf_id;
  
  	/*
  	 * In current version VF is not supported when PF is driven by DPDK
  	 * driver, just need to configure parameters for PF vport.
  	 */
  	vf_id = HNS3_PF_FUNC_ID;
  
  	hns3_promisc_param_init(&param, en_uc_pmc, en_mc_pmc, en_bc_pmc, vf_id);
  	return hns3_cmd_set_promisc_mode(hw, &param);
  }
  
  static int
  hns3_promisc_init(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	struct hns3_promisc_param param;
  	uint16_t func_id;
  	int ret;
  
  	ret = hns3_set_promisc_mode(hw, false, false);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "failed to set promisc mode, ret = %d", ret);
  		return ret;
  	}
  
  	/*
  	 * In current version VFs are not supported when PF is driven by DPDK
  	 * driver. After PF has been taken over by DPDK, the original VF will
  	 * be invalid. So, there is a possibility of entry residues. It should
  	 * clear VFs's promisc mode to avoid unnecessary bandwidth usage
  	 * during init.
  	 */
  	for (func_id = HNS3_1ST_VF_FUNC_ID; func_id < pf->func_num; func_id++) {
  		hns3_promisc_param_init(&param, false, false, false, func_id);
  		ret = hns3_cmd_set_promisc_mode(hw, &param);
  		if (ret) {
  			PMD_INIT_LOG(ERR, "failed to clear vf:%u promisc mode,"
  					" ret = %d", func_id, ret);
  			return ret;
  		}
  	}
  
  	return 0;
  }
  
  static void
  hns3_promisc_uninit(struct hns3_hw *hw)
  {
  	struct hns3_promisc_param param;
  	uint16_t func_id;
  	int ret;
  
  	func_id = HNS3_PF_FUNC_ID;
  
  	/*
  	 * In current version VFs are not supported when PF is driven by
  	 * DPDK driver, and VFs' promisc mode status has been cleared during
  	 * init and their status will not change. So just clear PF's promisc
  	 * mode status during uninit.
  	 */
  	hns3_promisc_param_init(&param, false, false, false, func_id);
  	ret = hns3_cmd_set_promisc_mode(hw, &param);
  	if (ret)
  		PMD_INIT_LOG(ERR, "failed to clear promisc status during"
  				" uninit, ret = %d", ret);
  }
  
  static int
  hns3_dev_promiscuous_enable(struct rte_eth_dev *dev)
  {
  	bool allmulti = dev->data->all_multicast ? true : false;
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	uint64_t offloads;
  	int err;
  	int ret;
  
  	rte_spinlock_lock(&hw->lock);
  	ret = hns3_set_promisc_mode(hw, true, true);
  	if (ret) {
  		rte_spinlock_unlock(&hw->lock);
  		hns3_err(hw, "failed to enable promiscuous mode, ret = %d",
  			 ret);
  		return ret;
  	}
  
  	/*
  	 * When promiscuous mode was enabled, disable the vlan filter to let
  	 * all packets coming in in the receiving direction.
  	 */
  	offloads = dev->data->dev_conf.rxmode.offloads;
  	if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
  		ret = hns3_enable_vlan_filter(hns, false);
  		if (ret) {
  			hns3_err(hw, "failed to enable promiscuous mode due to "
  				     "failure to disable vlan filter, ret = %d",
  				 ret);
  			err = hns3_set_promisc_mode(hw, false, allmulti);
  			if (err)
  				hns3_err(hw, "failed to restore promiscuous "
  					 "status after disable vlan filter "
  					 "failed during enabling promiscuous "
  					 "mode, ret = %d", ret);
  		}
  	}
  
  	rte_spinlock_unlock(&hw->lock);
  
  	return ret;
  }
  
  static int
  hns3_dev_promiscuous_disable(struct rte_eth_dev *dev)
  {
  	bool allmulti = dev->data->all_multicast ? true : false;
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	uint64_t offloads;
  	int err;
  	int ret;
  
  	/* If now in all_multicast mode, must remain in all_multicast mode. */
  	rte_spinlock_lock(&hw->lock);
  	ret = hns3_set_promisc_mode(hw, false, allmulti);
  	if (ret) {
  		rte_spinlock_unlock(&hw->lock);
  		hns3_err(hw, "failed to disable promiscuous mode, ret = %d",
  			 ret);
  		return ret;
  	}
  	/* when promiscuous mode was disabled, restore the vlan filter status */
  	offloads = dev->data->dev_conf.rxmode.offloads;
  	if (offloads & DEV_RX_OFFLOAD_VLAN_FILTER) {
  		ret = hns3_enable_vlan_filter(hns, true);
  		if (ret) {
  			hns3_err(hw, "failed to disable promiscuous mode due to"
  				 " failure to restore vlan filter, ret = %d",
  				 ret);
  			err = hns3_set_promisc_mode(hw, true, true);
  			if (err)
  				hns3_err(hw, "failed to restore promiscuous "
  					 "status after enabling vlan filter "
  					 "failed during disabling promiscuous "
  					 "mode, ret = %d", ret);
  		}
  	}
  	rte_spinlock_unlock(&hw->lock);
  
  	return ret;
  }
  
  static int
  hns3_dev_allmulticast_enable(struct rte_eth_dev *dev)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	if (dev->data->promiscuous)
  		return 0;
  
  	rte_spinlock_lock(&hw->lock);
  	ret = hns3_set_promisc_mode(hw, false, true);
  	rte_spinlock_unlock(&hw->lock);
  	if (ret)
  		hns3_err(hw, "failed to enable allmulticast mode, ret = %d",
  			 ret);
  
  	return ret;
  }
  
  static int
  hns3_dev_allmulticast_disable(struct rte_eth_dev *dev)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	/* If now in promiscuous mode, must remain in all_multicast mode. */
  	if (dev->data->promiscuous)
  		return 0;
  
  	rte_spinlock_lock(&hw->lock);
  	ret = hns3_set_promisc_mode(hw, false, false);
  	rte_spinlock_unlock(&hw->lock);
  	if (ret)
  		hns3_err(hw, "failed to disable allmulticast mode, ret = %d",
  			 ret);
  
  	return ret;
  }
  
  static int
  hns3_dev_promisc_restore(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	bool allmulti = hw->data->all_multicast ? true : false;
  	int ret;
  
  	if (hw->data->promiscuous) {
  		ret = hns3_set_promisc_mode(hw, true, true);
  		if (ret)
  			hns3_err(hw, "failed to restore promiscuous mode, "
  				 "ret = %d", ret);
  		return ret;
  	}
  
  	ret = hns3_set_promisc_mode(hw, false, allmulti);
  	if (ret)
  		hns3_err(hw, "failed to restore allmulticast mode, ret = %d",
  			 ret);
  	return ret;
  }
  
  static int
  hns3_get_sfp_speed(struct hns3_hw *hw, uint32_t *speed)
  {
  	struct hns3_sfp_speed_cmd *resp;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SFP_GET_SPEED, true);
  	resp = (struct hns3_sfp_speed_cmd *)desc.data;
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret == -EOPNOTSUPP) {
  		hns3_err(hw, "IMP do not support get SFP speed %d", ret);
  		return ret;
  	} else if (ret) {
  		hns3_err(hw, "get sfp speed failed %d", ret);
  		return ret;
  	}
  
  	*speed = resp->sfp_speed;
  
  	return 0;
  }
  
  static uint8_t
  hns3_check_speed_dup(uint8_t duplex, uint32_t speed)
  {
  	if (!(speed == ETH_SPEED_NUM_10M || speed == ETH_SPEED_NUM_100M))
  		duplex = ETH_LINK_FULL_DUPLEX;
  
  	return duplex;
  }
  
  static int
  hns3_cfg_mac_speed_dup(struct hns3_hw *hw, uint32_t speed, uint8_t duplex)
  {
  	struct hns3_mac *mac = &hw->mac;
  	uint32_t cur_speed = mac->link_speed;
  	int ret;
  
  	duplex = hns3_check_speed_dup(duplex, speed);
  	if (mac->link_speed == speed && mac->link_duplex == duplex)
  		return 0;
  
  	ret = hns3_cfg_mac_speed_dup_hw(hw, speed, duplex);
  	if (ret)
  		return ret;
  
  	mac->link_speed = speed;
  	ret = hns3_dcb_port_shaper_cfg(hw);
  	if (ret) {
  		hns3_err(hw, "failed to configure port shaper, ret = %d.", ret);
  		mac->link_speed = cur_speed;
  		return ret;
  	}
  
  	mac->link_duplex = duplex;
  
  	return 0;
  }
  
  static int
  hns3_update_speed_duplex(struct rte_eth_dev *eth_dev)
  {
  	struct hns3_adapter *hns = eth_dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	struct hns3_pf *pf = &hns->pf;
  	uint32_t speed;
  	int ret;
  
  	/* If IMP do not support get SFP/qSFP speed, return directly */
  	if (!pf->support_sfp_query)
  		return 0;
  
  	ret = hns3_get_sfp_speed(hw, &speed);
  	if (ret == -EOPNOTSUPP) {
  		pf->support_sfp_query = false;
  		return ret;
  	} else if (ret)
  		return ret;
  
  	if (speed == ETH_SPEED_NUM_NONE)
  		return 0; /* do nothing if no SFP */
  
  	/* Config full duplex for SFP */
  	return hns3_cfg_mac_speed_dup(hw, speed, ETH_LINK_FULL_DUPLEX);
  }
  
  static int
  hns3_cfg_mac_mode(struct hns3_hw *hw, bool enable)
  {
  	struct hns3_config_mac_mode_cmd *req;
  	struct hns3_cmd_desc desc;
  	uint32_t loop_en = 0;
  	uint8_t val = 0;
  	int ret;
  
  	req = (struct hns3_config_mac_mode_cmd *)desc.data;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_MAC_MODE, false);
  	if (enable)
  		val = 1;
  	hns3_set_bit(loop_en, HNS3_MAC_TX_EN_B, val);
  	hns3_set_bit(loop_en, HNS3_MAC_RX_EN_B, val);
  	hns3_set_bit(loop_en, HNS3_MAC_PAD_TX_B, val);
  	hns3_set_bit(loop_en, HNS3_MAC_PAD_RX_B, val);
  	hns3_set_bit(loop_en, HNS3_MAC_1588_TX_B, 0);
  	hns3_set_bit(loop_en, HNS3_MAC_1588_RX_B, 0);
  	hns3_set_bit(loop_en, HNS3_MAC_APP_LP_B, 0);
  	hns3_set_bit(loop_en, HNS3_MAC_LINE_LP_B, 0);
  	hns3_set_bit(loop_en, HNS3_MAC_FCS_TX_B, val);
  	hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_B, val);
  
  	/*
  	 * If DEV_RX_OFFLOAD_KEEP_CRC offload is set, MAC will not strip CRC
  	 * when receiving frames. Otherwise, CRC will be stripped.
  	 */
  	if (hw->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)
  		hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, 0);
  	else
  		hns3_set_bit(loop_en, HNS3_MAC_RX_FCS_STRIP_B, val);
  	hns3_set_bit(loop_en, HNS3_MAC_TX_OVERSIZE_TRUNCATE_B, val);
  	hns3_set_bit(loop_en, HNS3_MAC_RX_OVERSIZE_TRUNCATE_B, val);
  	hns3_set_bit(loop_en, HNS3_MAC_TX_UNDER_MIN_ERR_B, val);
  	req->txrx_pad_fcs_loop_en = rte_cpu_to_le_32(loop_en);
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		PMD_INIT_LOG(ERR, "mac enable fail, ret =%d.", ret);
  
  	return ret;
  }
  
  static int
  hns3_get_mac_link_status(struct hns3_hw *hw)
  {
  	struct hns3_link_status_cmd *req;
  	struct hns3_cmd_desc desc;
  	int link_status;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_LINK_STATUS, true);
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret) {
  		hns3_err(hw, "get link status cmd failed %d", ret);
  		return ETH_LINK_DOWN;
  	}
  
  	req = (struct hns3_link_status_cmd *)desc.data;
  	link_status = req->status & HNS3_LINK_STATUS_UP_M;
  
  	return !!link_status;
  }
  
  void
  hns3_update_link_status(struct hns3_hw *hw)
  {
  	int state;
  
  	state = hns3_get_mac_link_status(hw);
  	if (state != hw->mac.link_status) {
  		hw->mac.link_status = state;
  		hns3_warn(hw, "Link status change to %s!", state ? "up" : "down");
  	}
  }
  
  static void
  hns3_service_handler(void *param)
  {
  	struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)param;
  	struct hns3_adapter *hns = eth_dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  
  	if (!hns3_is_reset_pending(hns)) {
  		hns3_update_speed_duplex(eth_dev);
  		hns3_update_link_status(hw);
  	} else
  		hns3_warn(hw, "Cancel the query when reset is pending");
  
  	rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, eth_dev);
  }
  
  static int
  hns3_init_hardware(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	ret = hns3_map_tqp(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to map tqp: %d", ret);
  		return ret;
  	}
  
  	ret = hns3_init_umv_space(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init umv space: %d", ret);
  		return ret;
  	}
  
  	ret = hns3_mac_init(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init MAC: %d", ret);
  		goto err_mac_init;
  	}
  
  	ret = hns3_init_mgr_tbl(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init manager table: %d", ret);
  		goto err_mac_init;
  	}
  
  	ret = hns3_promisc_init(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init promisc: %d",
  			     ret);
  		goto err_mac_init;
  	}
  
  	ret = hns3_init_vlan_config(hns);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init vlan: %d", ret);
  		goto err_mac_init;
  	}
  
  	ret = hns3_dcb_init(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init dcb: %d", ret);
  		goto err_mac_init;
  	}
  
  	ret = hns3_init_fd_config(hns);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init flow director: %d", ret);
  		goto err_mac_init;
  	}
  
  	ret = hns3_config_tso(hw, HNS3_TSO_MSS_MIN, HNS3_TSO_MSS_MAX);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to config tso: %d", ret);
  		goto err_mac_init;
  	}
  
  	ret = hns3_config_gro(hw, false);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to config gro: %d", ret);
  		goto err_mac_init;
  	}
  
  	/*
  	 * In the initialization clearing the all hardware mapping relationship
  	 * configurations between queues and interrupt vectors is needed, so
  	 * some error caused by the residual configurations, such as the
  	 * unexpected interrupt, can be avoid.
  	 */
  	ret = hns3_init_ring_with_vector(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init ring intr vector: %d", ret);
  		goto err_mac_init;
  	}
  
  	return 0;
  
  err_mac_init:
  	hns3_uninit_umv_space(hw);
  	return ret;
  }
  
  static int
  hns3_clear_hw(struct hns3_hw *hw)
  {
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CLEAR_HW_STATE, false);
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret && ret != -EOPNOTSUPP)
  		return ret;
  
  	return 0;
  }
  
  static void
  hns3_config_all_msix_error(struct hns3_hw *hw, bool enable)
  {
  	uint32_t val;
  
  	/*
  	 * The new firmware support report more hardware error types by
  	 * msix mode. These errors are defined as RAS errors in hardware
  	 * and belong to a different type from the MSI-x errors processed
  	 * by the network driver.
  	 *
  	 * Network driver should open the new error report on initialition
  	 */
  	val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
  	hns3_set_bit(val, HNS3_VECTOR0_ALL_MSIX_ERR_B, enable ? 1 : 0);
  	hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, val);
  }
  
  static int
  hns3_init_pf(struct rte_eth_dev *eth_dev)
  {
  	struct rte_device *dev = eth_dev->device;
  	struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
  	struct hns3_adapter *hns = eth_dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	PMD_INIT_FUNC_TRACE();
  
  	/* Get hardware io base address from pcie BAR2 IO space */
  	hw->io_base = pci_dev->mem_resource[2].addr;
  
  	/* Firmware command queue initialize */
  	ret = hns3_cmd_init_queue(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init cmd queue: %d", ret);
  		goto err_cmd_init_queue;
  	}
  
  	hns3_clear_all_event_cause(hw);
  
  	/* Firmware command initialize */
  	ret = hns3_cmd_init(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init cmd: %d", ret);
  		goto err_cmd_init;
  	}
  
  	/*
  	 * To ensure that the hardware environment is clean during
  	 * initialization, the driver actively clear the hardware environment
  	 * during initialization, including PF and corresponding VFs' vlan, mac,
  	 * flow table configurations, etc.
  	 */
  	ret = hns3_clear_hw(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "failed to clear hardware: %d", ret);
  		goto err_cmd_init;
  	}
  
  	hns3_config_all_msix_error(hw, true);
  
  	ret = rte_intr_callback_register(&pci_dev->intr_handle,
  					 hns3_interrupt_handler,
  					 eth_dev);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to register intr: %d", ret);
  		goto err_intr_callback_register;
  	}
  
  	/* Enable interrupt */
  	rte_intr_enable(&pci_dev->intr_handle);
  	hns3_pf_enable_irq0(hw);
  
  	/* Get configuration */
  	ret = hns3_get_configuration(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to fetch configuration: %d", ret);
  		goto err_get_config;
  	}
  
  	ret = hns3_tqp_stats_init(hw);
  	if (ret)
  		goto err_get_config;
  
  	ret = hns3_init_hardware(hns);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init hardware: %d", ret);
  		goto err_init_hw;
  	}
  
  	/* Initialize flow director filter list & hash */
  	ret = hns3_fdir_filter_init(hns);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to alloc hashmap for fdir: %d", ret);
  		goto err_fdir;
  	}
  
  	hns3_set_default_rss_args(hw);
  
  	ret = hns3_enable_hw_error_intr(hns, true);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "fail to enable hw error interrupts: %d",
  			     ret);
  		goto err_enable_intr;
  	}
  
  	hns3_tm_conf_init(eth_dev);
  
  	return 0;
  
  err_enable_intr:
  	hns3_fdir_filter_uninit(hns);
  err_fdir:
  	hns3_uninit_umv_space(hw);
  err_init_hw:
  	hns3_tqp_stats_uninit(hw);
  err_get_config:
  	hns3_pf_disable_irq0(hw);
  	rte_intr_disable(&pci_dev->intr_handle);
  	hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
  			     eth_dev);
  err_intr_callback_register:
  err_cmd_init:
  	hns3_cmd_uninit(hw);
  	hns3_cmd_destroy_queue(hw);
  err_cmd_init_queue:
  	hw->io_base = NULL;
  
  	return ret;
  }
  
  static void
  hns3_uninit_pf(struct rte_eth_dev *eth_dev)
  {
  	struct hns3_adapter *hns = eth_dev->data->dev_private;
  	struct rte_device *dev = eth_dev->device;
  	struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev);
  	struct hns3_hw *hw = &hns->hw;
  
  	PMD_INIT_FUNC_TRACE();
  
  	hns3_tm_conf_uninit(eth_dev);
  	hns3_enable_hw_error_intr(hns, false);
  	hns3_rss_uninit(hns);
  	(void)hns3_config_gro(hw, false);
  	hns3_promisc_uninit(hw);
  	hns3_fdir_filter_uninit(hns);
  	hns3_uninit_umv_space(hw);
  	hns3_tqp_stats_uninit(hw);
  	hns3_pf_disable_irq0(hw);
  	rte_intr_disable(&pci_dev->intr_handle);
  	hns3_intr_unregister(&pci_dev->intr_handle, hns3_interrupt_handler,
  			     eth_dev);
  	hns3_config_all_msix_error(hw, false);
  	hns3_cmd_uninit(hw);
  	hns3_cmd_destroy_queue(hw);
  	hw->io_base = NULL;
  }
  
  static int
  hns3_do_start(struct hns3_adapter *hns, bool reset_queue)
  {
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	ret = hns3_dcb_cfg_update(hns);
  	if (ret)
  		return ret;
  
  	/*
  	 * The hns3_dcb_cfg_update may configure TM module, so
  	 * hns3_tm_conf_update must called later.
  	 */
  	ret = hns3_tm_conf_update(hw);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "failed to update tm conf, ret = %d.", ret);
  		return ret;
  	}
  
  	ret = hns3_init_queues(hns, reset_queue);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "failed to init queues, ret = %d.", ret);
  		return ret;
  	}
  
  	ret = hns3_cfg_mac_mode(hw, true);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "failed to enable MAC, ret = %d", ret);
  		goto err_config_mac_mode;
  	}
  	return 0;
  
  err_config_mac_mode:
  	hns3_dev_release_mbufs(hns);
  	/*
  	 * Here is exception handling, hns3_reset_all_tqps will have the
  	 * corresponding error message if it is handled incorrectly, so it is
  	 * not necessary to check hns3_reset_all_tqps return value, here keep
  	 * ret as the error code causing the exception.
  	 */
  	(void)hns3_reset_all_tqps(hns);
  	return ret;
  }
  
  static int
  hns3_map_rx_interrupt(struct rte_eth_dev *dev)
  {
  	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
  	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
  	uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
  	uint32_t intr_vector;
  	uint16_t q_id;
  	int ret;
  
  	if (dev->data->dev_conf.intr_conf.rxq == 0)
  		return 0;
  
  	/* disable uio/vfio intr/eventfd mapping */
  	rte_intr_disable(intr_handle);
  
  	/* check and configure queue intr-vector mapping */
  	if (rte_intr_cap_multiple(intr_handle) ||
  	    !RTE_ETH_DEV_SRIOV(dev).active) {
  		intr_vector = hw->used_rx_queues;
  		/* creates event fd for each intr vector when MSIX is used */
  		if (rte_intr_efd_enable(intr_handle, intr_vector))
  			return -EINVAL;
  	}
  	if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
  		intr_handle->intr_vec =
  			rte_zmalloc("intr_vec",
  				    hw->used_rx_queues * sizeof(int), 0);
  		if (intr_handle->intr_vec == NULL) {
  			hns3_err(hw, "Failed to allocate %u rx_queues"
  				     " intr_vec", hw->used_rx_queues);
  			ret = -ENOMEM;
  			goto alloc_intr_vec_error;
  		}
  	}
  
  	if (rte_intr_allow_others(intr_handle)) {
  		vec = RTE_INTR_VEC_RXTX_OFFSET;
  		base = RTE_INTR_VEC_RXTX_OFFSET;
  	}
  	if (rte_intr_dp_is_en(intr_handle)) {
  		for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
  			ret = hns3_bind_ring_with_vector(hw, vec, true,
  							 HNS3_RING_TYPE_RX,
  							 q_id);
  			if (ret)
  				goto bind_vector_error;
  			intr_handle->intr_vec[q_id] = vec;
  			if (vec < base + intr_handle->nb_efd - 1)
  				vec++;
  		}
  	}
  	rte_intr_enable(intr_handle);
  	return 0;
  
  bind_vector_error:
  	rte_intr_efd_disable(intr_handle);
  	if (intr_handle->intr_vec) {
  		free(intr_handle->intr_vec);
  		intr_handle->intr_vec = NULL;
  	}
  	return ret;
  alloc_intr_vec_error:
  	rte_intr_efd_disable(intr_handle);
  	return ret;
  }
  
  static int
  hns3_restore_rx_interrupt(struct hns3_hw *hw)
  {
  	struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id];
  	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
  	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
  	uint16_t q_id;
  	int ret;
  
  	if (dev->data->dev_conf.intr_conf.rxq == 0)
  		return 0;
  
  	if (rte_intr_dp_is_en(intr_handle)) {
  		for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
  			ret = hns3_bind_ring_with_vector(hw,
  					intr_handle->intr_vec[q_id], true,
  					HNS3_RING_TYPE_RX, q_id);
  			if (ret)
  				return ret;
  		}
  	}
  
  	return 0;
  }
  
  static void
  hns3_restore_filter(struct rte_eth_dev *dev)
  {
  	hns3_restore_rss_filter(dev);
  }
  
  static int
  hns3_dev_start(struct rte_eth_dev *dev)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	PMD_INIT_FUNC_TRACE();
  	if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED))
  		return -EBUSY;
  
  	rte_spinlock_lock(&hw->lock);
  	hw->adapter_state = HNS3_NIC_STARTING;
  
  	ret = hns3_do_start(hns, true);
  	if (ret) {
  		hw->adapter_state = HNS3_NIC_CONFIGURED;
  		rte_spinlock_unlock(&hw->lock);
  		return ret;
  	}
  	ret = hns3_map_rx_interrupt(dev);
  	if (ret) {
  		hw->adapter_state = HNS3_NIC_CONFIGURED;
  		rte_spinlock_unlock(&hw->lock);
  		return ret;
  	}
  
  	/*
  	 * There are three register used to control the status of a TQP
  	 * (contains a pair of Tx queue and Rx queue) in the new version network
  	 * engine. One is used to control the enabling of Tx queue, the other is
  	 * used to control the enabling of Rx queue, and the last is the master
  	 * switch used to control the enabling of the tqp. The Tx register and
  	 * TQP register must be enabled at the same time to enable a Tx queue.
  	 * The same applies to the Rx queue. For the older network engine, this
  	 * function only refresh the enabled flag, and it is used to update the
  	 * status of queue in the dpdk framework.
  	 */
  	ret = hns3_start_all_txqs(dev);
  	if (ret) {
  		hw->adapter_state = HNS3_NIC_CONFIGURED;
  		rte_spinlock_unlock(&hw->lock);
  		return ret;
  	}
  
  	ret = hns3_start_all_rxqs(dev);
  	if (ret) {
  		hns3_stop_all_txqs(dev);
  		hw->adapter_state = HNS3_NIC_CONFIGURED;
  		rte_spinlock_unlock(&hw->lock);
  		return ret;
  	}
  
  	hw->adapter_state = HNS3_NIC_STARTED;
  	rte_spinlock_unlock(&hw->lock);
  
  	hns3_rx_scattered_calc(dev);
  	hns3_set_rxtx_function(dev);
  	hns3_mp_req_start_rxtx(dev);
  	rte_eal_alarm_set(HNS3_SERVICE_INTERVAL, hns3_service_handler, dev);
  
  	hns3_restore_filter(dev);
  
  	/* Enable interrupt of all rx queues before enabling queues */
  	hns3_dev_all_rx_queue_intr_enable(hw, true);
  
  	/*
  	 * After finished the initialization, enable tqps to receive/transmit
  	 * packets and refresh all queue status.
  	 */
  	hns3_start_tqps(hw);
  
  	hns3_tm_dev_start_proc(hw);
  
  	hns3_info(hw, "hns3 dev start successful!");
  	return 0;
  }
  
  static int
  hns3_do_stop(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	ret = hns3_cfg_mac_mode(hw, false);
  	if (ret)
  		return ret;
  	hw->mac.link_status = ETH_LINK_DOWN;
  
  	if (rte_atomic16_read(&hw->reset.disable_cmd) == 0) {
  		hns3_configure_all_mac_addr(hns, true);
  		ret = hns3_reset_all_tqps(hns);
  		if (ret) {
  			hns3_err(hw, "failed to reset all queues ret = %d.",
  				 ret);
  			return ret;
  		}
  	}
  	hw->mac.default_addr_setted = false;
  	return 0;
  }
  
  static void
  hns3_unmap_rx_interrupt(struct rte_eth_dev *dev)
  {
  	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
  	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	uint8_t base = RTE_INTR_VEC_ZERO_OFFSET;
  	uint8_t vec = RTE_INTR_VEC_ZERO_OFFSET;
  	uint16_t q_id;
  
  	if (dev->data->dev_conf.intr_conf.rxq == 0)
  		return;
  
  	/* unmap the ring with vector */
  	if (rte_intr_allow_others(intr_handle)) {
  		vec = RTE_INTR_VEC_RXTX_OFFSET;
  		base = RTE_INTR_VEC_RXTX_OFFSET;
  	}
  	if (rte_intr_dp_is_en(intr_handle)) {
  		for (q_id = 0; q_id < hw->used_rx_queues; q_id++) {
  			(void)hns3_bind_ring_with_vector(hw, vec, false,
  							 HNS3_RING_TYPE_RX,
  							 q_id);
  			if (vec < base + intr_handle->nb_efd - 1)
  				vec++;
  		}
  	}
  	/* Clean datapath event and queue/vec mapping */
  	rte_intr_efd_disable(intr_handle);
  	if (intr_handle->intr_vec) {
  		rte_free(intr_handle->intr_vec);
  		intr_handle->intr_vec = NULL;
  	}
  }
  
  static int
  hns3_dev_stop(struct rte_eth_dev *dev)
  {
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  
  	PMD_INIT_FUNC_TRACE();
  	dev->data->dev_started = 0;
  
  	hw->adapter_state = HNS3_NIC_STOPPING;
  	hns3_set_rxtx_function(dev);
  	rte_wmb();
  	/* Disable datapath on secondary process. */
  	hns3_mp_req_stop_rxtx(dev);
  	/* Prevent crashes when queues are still in use. */
  	rte_delay_ms(hw->tqps_num);
  
  	rte_spinlock_lock(&hw->lock);
  	if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
  		hns3_tm_dev_stop_proc(hw);
  		hns3_stop_tqps(hw);
  		hns3_do_stop(hns);
  		hns3_unmap_rx_interrupt(dev);
  		hns3_dev_release_mbufs(hns);
  		hw->adapter_state = HNS3_NIC_CONFIGURED;
  	}
  	hns3_rx_scattered_reset(dev);
  	rte_eal_alarm_cancel(hns3_service_handler, dev);
  	rte_spinlock_unlock(&hw->lock);
  
  	return 0;
  }
  
  static int
  hns3_dev_close(struct rte_eth_dev *eth_dev)
  {
  	struct hns3_adapter *hns = eth_dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  	int ret = 0;
  
  	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
  		rte_free(eth_dev->process_private);
  		eth_dev->process_private = NULL;
  		return 0;
  	}
  
  	if (hw->adapter_state == HNS3_NIC_STARTED)
  		ret = hns3_dev_stop(eth_dev);
  
  	hw->adapter_state = HNS3_NIC_CLOSING;
  	hns3_reset_abort(hns);
  	hw->adapter_state = HNS3_NIC_CLOSED;
  
  	hns3_configure_all_mc_mac_addr(hns, true);
  	hns3_remove_all_vlan_table(hns);
  	hns3_vlan_txvlan_cfg(hns, HNS3_PORT_BASE_VLAN_DISABLE, 0);
  	hns3_uninit_pf(eth_dev);
  	hns3_free_all_queues(eth_dev);
  	rte_free(hw->reset.wait_data);
  	rte_free(eth_dev->process_private);
  	eth_dev->process_private = NULL;
  	hns3_mp_uninit_primary();
  	hns3_warn(hw, "Close port %u finished", hw->data->port_id);
  
  	return ret;
  }
  
  static int
  hns3_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
  
  	fc_conf->pause_time = pf->pause_time;
  
  	/* return fc current mode */
  	switch (hw->current_mode) {
  	case HNS3_FC_FULL:
  		fc_conf->mode = RTE_FC_FULL;
  		break;
  	case HNS3_FC_TX_PAUSE:
  		fc_conf->mode = RTE_FC_TX_PAUSE;
  		break;
  	case HNS3_FC_RX_PAUSE:
  		fc_conf->mode = RTE_FC_RX_PAUSE;
  		break;
  	case HNS3_FC_NONE:
  	default:
  		fc_conf->mode = RTE_FC_NONE;
  		break;
  	}
  
  	return 0;
  }
  
  static void
  hns3_get_fc_mode(struct hns3_hw *hw, enum rte_eth_fc_mode mode)
  {
  	switch (mode) {
  	case RTE_FC_NONE:
  		hw->requested_mode = HNS3_FC_NONE;
  		break;
  	case RTE_FC_RX_PAUSE:
  		hw->requested_mode = HNS3_FC_RX_PAUSE;
  		break;
  	case RTE_FC_TX_PAUSE:
  		hw->requested_mode = HNS3_FC_TX_PAUSE;
  		break;
  	case RTE_FC_FULL:
  		hw->requested_mode = HNS3_FC_FULL;
  		break;
  	default:
  		hw->requested_mode = HNS3_FC_NONE;
  		hns3_warn(hw, "fc_mode(%u) exceeds member scope and is "
  			  "configured to RTE_FC_NONE", mode);
  		break;
  	}
  }
  
  static int
  hns3_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
  	int ret;
  
  	if (fc_conf->high_water || fc_conf->low_water ||
  	    fc_conf->send_xon || fc_conf->mac_ctrl_frame_fwd) {
  		hns3_err(hw, "Unsupported flow control settings specified, "
  			 "high_water(%u), low_water(%u), send_xon(%u) and "
  			 "mac_ctrl_frame_fwd(%u) must be set to '0'",
  			 fc_conf->high_water, fc_conf->low_water,
  			 fc_conf->send_xon, fc_conf->mac_ctrl_frame_fwd);
  		return -EINVAL;
  	}
  	if (fc_conf->autoneg) {
  		hns3_err(hw, "Unsupported fc auto-negotiation setting.");
  		return -EINVAL;
  	}
  	if (!fc_conf->pause_time) {
  		hns3_err(hw, "Invalid pause time %u setting.",
  			 fc_conf->pause_time);
  		return -EINVAL;
  	}
  
  	if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
  	    hw->current_fc_status == HNS3_FC_STATUS_MAC_PAUSE)) {
  		hns3_err(hw, "PFC is enabled. Cannot set MAC pause. "
  			 "current_fc_status = %d", hw->current_fc_status);
  		return -EOPNOTSUPP;
  	}
  
  	hns3_get_fc_mode(hw, fc_conf->mode);
  	if (hw->requested_mode == hw->current_mode &&
  	    pf->pause_time == fc_conf->pause_time)
  		return 0;
  
  	rte_spinlock_lock(&hw->lock);
  	ret = hns3_fc_enable(dev, fc_conf);
  	rte_spinlock_unlock(&hw->lock);
  
  	return ret;
  }
  
  static int
  hns3_priority_flow_ctrl_set(struct rte_eth_dev *dev,
  			    struct rte_eth_pfc_conf *pfc_conf)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
  	uint8_t priority;
  	int ret;
  
  	if (!hns3_dev_dcb_supported(hw)) {
  		hns3_err(hw, "This port does not support dcb configurations.");
  		return -EOPNOTSUPP;
  	}
  
  	if (pfc_conf->fc.high_water || pfc_conf->fc.low_water ||
  	    pfc_conf->fc.send_xon || pfc_conf->fc.mac_ctrl_frame_fwd) {
  		hns3_err(hw, "Unsupported flow control settings specified, "
  			 "high_water(%u), low_water(%u), send_xon(%u) and "
  			 "mac_ctrl_frame_fwd(%u) must be set to '0'",
  			 pfc_conf->fc.high_water, pfc_conf->fc.low_water,
  			 pfc_conf->fc.send_xon,
  			 pfc_conf->fc.mac_ctrl_frame_fwd);
  		return -EINVAL;
  	}
  	if (pfc_conf->fc.autoneg) {
  		hns3_err(hw, "Unsupported fc auto-negotiation setting.");
  		return -EINVAL;
  	}
  	if (pfc_conf->fc.pause_time == 0) {
  		hns3_err(hw, "Invalid pause time %u setting.",
  			 pfc_conf->fc.pause_time);
  		return -EINVAL;
  	}
  
  	if (!(hw->current_fc_status == HNS3_FC_STATUS_NONE ||
  	    hw->current_fc_status == HNS3_FC_STATUS_PFC)) {
  		hns3_err(hw, "MAC pause is enabled. Cannot set PFC."
  			     "current_fc_status = %d", hw->current_fc_status);
  		return -EOPNOTSUPP;
  	}
  
  	priority = pfc_conf->priority;
  	hns3_get_fc_mode(hw, pfc_conf->fc.mode);
  	if (hw->dcb_info.pfc_en & BIT(priority) &&
  	    hw->requested_mode == hw->current_mode &&
  	    pfc_conf->fc.pause_time == pf->pause_time)
  		return 0;
  
  	rte_spinlock_lock(&hw->lock);
  	ret = hns3_dcb_pfc_enable(dev, pfc_conf);
  	rte_spinlock_unlock(&hw->lock);
  
  	return ret;
  }
  
  static int
  hns3_get_dcb_info(struct rte_eth_dev *dev, struct rte_eth_dcb_info *dcb_info)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(dev->data->dev_private);
  	enum rte_eth_rx_mq_mode mq_mode = dev->data->dev_conf.rxmode.mq_mode;
  	int i;
  
  	rte_spinlock_lock(&hw->lock);
  	if ((uint32_t)mq_mode & ETH_MQ_RX_DCB_FLAG)
  		dcb_info->nb_tcs = pf->local_max_tc;
  	else
  		dcb_info->nb_tcs = 1;
  
  	for (i = 0; i < HNS3_MAX_USER_PRIO; i++)
  		dcb_info->prio_tc[i] = hw->dcb_info.prio_tc[i];
  	for (i = 0; i < dcb_info->nb_tcs; i++)
  		dcb_info->tc_bws[i] = hw->dcb_info.pg_info[0].tc_dwrr[i];
  
  	for (i = 0; i < hw->num_tc; i++) {
  		dcb_info->tc_queue.tc_rxq[0][i].base = hw->alloc_rss_size * i;
  		dcb_info->tc_queue.tc_txq[0][i].base =
  						hw->tc_queue[i].tqp_offset;
  		dcb_info->tc_queue.tc_rxq[0][i].nb_queue = hw->alloc_rss_size;
  		dcb_info->tc_queue.tc_txq[0][i].nb_queue =
  						hw->tc_queue[i].tqp_count;
  	}
  	rte_spinlock_unlock(&hw->lock);
  
  	return 0;
  }
  
  static int
  hns3_reinit_dev(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	ret = hns3_cmd_init(hw);
  	if (ret) {
  		hns3_err(hw, "Failed to init cmd: %d", ret);
  		return ret;
  	}
  
  	ret = hns3_reset_all_tqps(hns);
  	if (ret) {
  		hns3_err(hw, "Failed to reset all queues: %d", ret);
  		return ret;
  	}
  
  	ret = hns3_init_hardware(hns);
  	if (ret) {
  		hns3_err(hw, "Failed to init hardware: %d", ret);
  		return ret;
  	}
  
  	ret = hns3_enable_hw_error_intr(hns, true);
  	if (ret) {
  		hns3_err(hw, "fail to enable hw error interrupts: %d",
  			     ret);
  		return ret;
  	}
  	hns3_info(hw, "Reset done, driver initialization finished.");
  
  	return 0;
  }
  
  static bool
  is_pf_reset_done(struct hns3_hw *hw)
  {
  	uint32_t val, reg, reg_bit;
  
  	switch (hw->reset.level) {
  	case HNS3_IMP_RESET:
  		reg = HNS3_GLOBAL_RESET_REG;
  		reg_bit = HNS3_IMP_RESET_BIT;
  		break;
  	case HNS3_GLOBAL_RESET:
  		reg = HNS3_GLOBAL_RESET_REG;
  		reg_bit = HNS3_GLOBAL_RESET_BIT;
  		break;
  	case HNS3_FUNC_RESET:
  		reg = HNS3_FUN_RST_ING;
  		reg_bit = HNS3_FUN_RST_ING_B;
  		break;
  	case HNS3_FLR_RESET:
  	default:
  		hns3_err(hw, "Wait for unsupported reset level: %d",
  			 hw->reset.level);
  		return true;
  	}
  	val = hns3_read_dev(hw, reg);
  	if (hns3_get_bit(val, reg_bit))
  		return false;
  	else
  		return true;
  }
  
  bool
  hns3_is_reset_pending(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	enum hns3_reset_level reset;
  
  	hns3_check_event_cause(hns, NULL);
  	reset = hns3_get_reset_level(hns, &hw->reset.pending);
  	if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
  		hns3_warn(hw, "High level reset %d is pending", reset);
  		return true;
  	}
  	reset = hns3_get_reset_level(hns, &hw->reset.request);
  	if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) {
  		hns3_warn(hw, "High level reset %d is request", reset);
  		return true;
  	}
  	return false;
  }
  
  static int
  hns3_wait_hardware_ready(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	struct hns3_wait_data *wait_data = hw->reset.wait_data;
  	struct timeval tv;
  
  	if (wait_data->result == HNS3_WAIT_SUCCESS)
  		return 0;
  	else if (wait_data->result == HNS3_WAIT_TIMEOUT) {
  		gettimeofday(&tv, NULL);
  		hns3_warn(hw, "Reset step4 hardware not ready after reset time=%ld.%.6ld",
  			  tv.tv_sec, tv.tv_usec);
  		return -ETIME;
  	} else if (wait_data->result == HNS3_WAIT_REQUEST)
  		return -EAGAIN;
  
  	wait_data->hns = hns;
  	wait_data->check_completion = is_pf_reset_done;
  	wait_data->end_ms = (uint64_t)HNS3_RESET_WAIT_CNT *
  				      HNS3_RESET_WAIT_MS + get_timeofday_ms();
  	wait_data->interval = HNS3_RESET_WAIT_MS * USEC_PER_MSEC;
  	wait_data->count = HNS3_RESET_WAIT_CNT;
  	wait_data->result = HNS3_WAIT_REQUEST;
  	rte_eal_alarm_set(wait_data->interval, hns3_wait_callback, wait_data);
  	return -EAGAIN;
  }
  
  static int
  hns3_func_reset_cmd(struct hns3_hw *hw, int func_id)
  {
  	struct hns3_cmd_desc desc;
  	struct hns3_reset_cmd *req = (struct hns3_reset_cmd *)desc.data;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_RST_TRIGGER, false);
  	hns3_set_bit(req->mac_func_reset, HNS3_CFG_RESET_FUNC_B, 1);
  	req->fun_reset_vfid = func_id;
  
  	return hns3_cmd_send(hw, &desc, 1);
  }
  
  static int
  hns3_imp_reset_cmd(struct hns3_hw *hw)
  {
  	struct hns3_cmd_desc desc;
  
  	hns3_cmd_setup_basic_desc(&desc, 0xFFFE, false);
  	desc.data[0] = 0xeedd;
  
  	return hns3_cmd_send(hw, &desc, 1);
  }
  
  static void
  hns3_msix_process(struct hns3_adapter *hns, enum hns3_reset_level reset_level)
  {
  	struct hns3_hw *hw = &hns->hw;
  	struct timeval tv;
  	uint32_t val;
  
  	gettimeofday(&tv, NULL);
  	if (hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG) ||
  	    hns3_read_dev(hw, HNS3_FUN_RST_ING)) {
  		hns3_warn(hw, "Don't process msix during resetting time=%ld.%.6ld",
  			  tv.tv_sec, tv.tv_usec);
  		return;
  	}
  
  	switch (reset_level) {
  	case HNS3_IMP_RESET:
  		hns3_imp_reset_cmd(hw);
  		hns3_warn(hw, "IMP Reset requested time=%ld.%.6ld",
  			  tv.tv_sec, tv.tv_usec);
  		break;
  	case HNS3_GLOBAL_RESET:
  		val = hns3_read_dev(hw, HNS3_GLOBAL_RESET_REG);
  		hns3_set_bit(val, HNS3_GLOBAL_RESET_BIT, 1);
  		hns3_write_dev(hw, HNS3_GLOBAL_RESET_REG, val);
  		hns3_warn(hw, "Global Reset requested time=%ld.%.6ld",
  			  tv.tv_sec, tv.tv_usec);
  		break;
  	case HNS3_FUNC_RESET:
  		hns3_warn(hw, "PF Reset requested time=%ld.%.6ld",
  			  tv.tv_sec, tv.tv_usec);
  		/* schedule again to check later */
  		hns3_atomic_set_bit(HNS3_FUNC_RESET, &hw->reset.pending);
  		hns3_schedule_reset(hns);
  		break;
  	default:
  		hns3_warn(hw, "Unsupported reset level: %d", reset_level);
  		return;
  	}
  	hns3_atomic_clear_bit(reset_level, &hw->reset.request);
  }
  
  static enum hns3_reset_level
  hns3_get_reset_level(struct hns3_adapter *hns, uint64_t *levels)
  {
  	struct hns3_hw *hw = &hns->hw;
  	enum hns3_reset_level reset_level = HNS3_NONE_RESET;
  
  	/* Return the highest priority reset level amongst all */
  	if (hns3_atomic_test_bit(HNS3_IMP_RESET, levels))
  		reset_level = HNS3_IMP_RESET;
  	else if (hns3_atomic_test_bit(HNS3_GLOBAL_RESET, levels))
  		reset_level = HNS3_GLOBAL_RESET;
  	else if (hns3_atomic_test_bit(HNS3_FUNC_RESET, levels))
  		reset_level = HNS3_FUNC_RESET;
  	else if (hns3_atomic_test_bit(HNS3_FLR_RESET, levels))
  		reset_level = HNS3_FLR_RESET;
  
  	if (hw->reset.level != HNS3_NONE_RESET && reset_level < hw->reset.level)
  		return HNS3_NONE_RESET;
  
  	return reset_level;
  }
  
  static void
  hns3_record_imp_error(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	uint32_t reg_val;
  
  	reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
  	if (hns3_get_bit(reg_val, HNS3_VECTOR0_IMP_RD_POISON_B)) {
  		hns3_warn(hw, "Detected IMP RD poison!");
  		hns3_error_int_stats_add(hns, "IMP_RD_POISON_INT_STS");
  		hns3_set_bit(reg_val, HNS3_VECTOR0_IMP_RD_POISON_B, 0);
  		hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val);
  	}
  
  	if (hns3_get_bit(reg_val, HNS3_VECTOR0_IMP_CMDQ_ERR_B)) {
  		hns3_warn(hw, "Detected IMP CMDQ error!");
  		hns3_error_int_stats_add(hns, "CMDQ_MEM_ECC_INT_STS");
  		hns3_set_bit(reg_val, HNS3_VECTOR0_IMP_CMDQ_ERR_B, 0);
  		hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val);
  	}
  }
  
  static int
  hns3_prepare_reset(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	uint32_t reg_val;
  	int ret;
  
  	switch (hw->reset.level) {
  	case HNS3_FUNC_RESET:
  		ret = hns3_func_reset_cmd(hw, HNS3_PF_FUNC_ID);
  		if (ret)
  			return ret;
  
  		/*
  		 * After performaning pf reset, it is not necessary to do the
  		 * mailbox handling or send any command to firmware, because
  		 * any mailbox handling or command to firmware is only valid
  		 * after hns3_cmd_init is called.
  		 */
  		rte_atomic16_set(&hw->reset.disable_cmd, 1);
  		hw->reset.stats.request_cnt++;
  		break;
  	case HNS3_IMP_RESET:
  		hns3_record_imp_error(hns);
  		reg_val = hns3_read_dev(hw, HNS3_VECTOR0_OTER_EN_REG);
  		hns3_write_dev(hw, HNS3_VECTOR0_OTER_EN_REG, reg_val |
  			       BIT(HNS3_VECTOR0_IMP_RESET_INT_B));
  		break;
  	default:
  		break;
  	}
  	return 0;
  }
  
  static int
  hns3_set_rst_done(struct hns3_hw *hw)
  {
  	struct hns3_pf_rst_done_cmd *req;
  	struct hns3_cmd_desc desc;
  
  	req = (struct hns3_pf_rst_done_cmd *)desc.data;
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_PF_RST_DONE, false);
  	req->pf_rst_done |= HNS3_PF_RESET_DONE_BIT;
  	return hns3_cmd_send(hw, &desc, 1);
  }
  
  static int
  hns3_stop_service(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	struct rte_eth_dev *eth_dev;
  
  	eth_dev = &rte_eth_devices[hw->data->port_id];
  	if (hw->adapter_state == HNS3_NIC_STARTED)
  		rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
  	hw->mac.link_status = ETH_LINK_DOWN;
  
  	hns3_set_rxtx_function(eth_dev);
  	rte_wmb();
  	/* Disable datapath on secondary process. */
  	hns3_mp_req_stop_rxtx(eth_dev);
  	rte_delay_ms(hw->tqps_num);
  
  	rte_spinlock_lock(&hw->lock);
  	if (hns->hw.adapter_state == HNS3_NIC_STARTED ||
  	    hw->adapter_state == HNS3_NIC_STOPPING) {
  		hns3_enable_all_queues(hw, false);
  		hns3_do_stop(hns);
  		hw->reset.mbuf_deferred_free = true;
  	} else
  		hw->reset.mbuf_deferred_free = false;
  
  	/*
  	 * It is cumbersome for hardware to pick-and-choose entries for deletion
  	 * from table space. Hence, for function reset software intervention is
  	 * required to delete the entries
  	 */
  	if (rte_atomic16_read(&hw->reset.disable_cmd) == 0)
  		hns3_configure_all_mc_mac_addr(hns, true);
  	rte_spinlock_unlock(&hw->lock);
  
  	return 0;
  }
  
  static int
  hns3_start_service(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	struct rte_eth_dev *eth_dev;
  
  	if (hw->reset.level == HNS3_IMP_RESET ||
  	    hw->reset.level == HNS3_GLOBAL_RESET)
  		hns3_set_rst_done(hw);
  	eth_dev = &rte_eth_devices[hw->data->port_id];
  	hns3_set_rxtx_function(eth_dev);
  	hns3_mp_req_start_rxtx(eth_dev);
  	if (hw->adapter_state == HNS3_NIC_STARTED) {
  		hns3_service_handler(eth_dev);
  
  		/* Enable interrupt of all rx queues before enabling queues */
  		hns3_dev_all_rx_queue_intr_enable(hw, true);
  		/*
  		 * Enable state of each rxq and txq will be recovered after
  		 * reset, so we need to restore them before enable all tqps;
  		 */
  		hns3_restore_tqp_enable_state(hw);
  		/*
  		 * When finished the initialization, enable queues to receive
  		 * and transmit packets.
  		 */
  		hns3_enable_all_queues(hw, true);
  	}
  
  	return 0;
  }
  
  static int
  hns3_restore_conf(struct hns3_adapter *hns)
  {
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	ret = hns3_configure_all_mac_addr(hns, false);
  	if (ret)
  		return ret;
  
  	ret = hns3_configure_all_mc_mac_addr(hns, false);
  	if (ret)
  		goto err_mc_mac;
  
  	ret = hns3_dev_promisc_restore(hns);
  	if (ret)
  		goto err_promisc;
  
  	ret = hns3_restore_vlan_table(hns);
  	if (ret)
  		goto err_promisc;
  
  	ret = hns3_restore_vlan_conf(hns);
  	if (ret)
  		goto err_promisc;
  
  	ret = hns3_restore_all_fdir_filter(hns);
  	if (ret)
  		goto err_promisc;
  
  	ret = hns3_restore_rx_interrupt(hw);
  	if (ret)
  		goto err_promisc;
  
  	ret = hns3_restore_gro_conf(hw);
  	if (ret)
  		goto err_promisc;
  
  	ret = hns3_restore_fec(hw);
  	if (ret)
  		goto err_promisc;
  
  	if (hns->hw.adapter_state == HNS3_NIC_STARTED) {
  		ret = hns3_do_start(hns, false);
  		if (ret)
  			goto err_promisc;
  		hns3_info(hw, "hns3 dev restart successful!");
  	} else if (hw->adapter_state == HNS3_NIC_STOPPING)
  		hw->adapter_state = HNS3_NIC_CONFIGURED;
  	return 0;
  
  err_promisc:
  	hns3_configure_all_mc_mac_addr(hns, true);
  err_mc_mac:
  	hns3_configure_all_mac_addr(hns, true);
  	return ret;
  }
  
  static void
  hns3_reset_service(void *param)
  {
  	struct hns3_adapter *hns = (struct hns3_adapter *)param;
  	struct hns3_hw *hw = &hns->hw;
  	enum hns3_reset_level reset_level;
  	struct timeval tv_delta;
  	struct timeval tv_start;
  	struct timeval tv;
  	uint64_t msec;
  	int ret;
  
  	/*
  	 * The interrupt is not triggered within the delay time.
  	 * The interrupt may have been lost. It is necessary to handle
  	 * the interrupt to recover from the error.
  	 */
  	if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_DEFERRED) {
  		rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_REQUESTED);
  		hns3_err(hw, "Handling interrupts in delayed tasks");
  		hns3_interrupt_handler(&rte_eth_devices[hw->data->port_id]);
  		reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
  		if (reset_level == HNS3_NONE_RESET) {
  			hns3_err(hw, "No reset level is set, try IMP reset");
  			hns3_atomic_set_bit(HNS3_IMP_RESET, &hw->reset.pending);
  		}
  	}
  	rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_NONE);
  
  	/*
  	 * Check if there is any ongoing reset in the hardware. This status can
  	 * be checked from reset_pending. If there is then, we need to wait for
  	 * hardware to complete reset.
  	 *    a. If we are able to figure out in reasonable time that hardware
  	 *       has fully resetted then, we can proceed with driver, client
  	 *       reset.
  	 *    b. else, we can come back later to check this status so re-sched
  	 *       now.
  	 */
  	reset_level = hns3_get_reset_level(hns, &hw->reset.pending);
  	if (reset_level != HNS3_NONE_RESET) {
  		gettimeofday(&tv_start, NULL);
  		ret = hns3_reset_process(hns, reset_level);
  		gettimeofday(&tv, NULL);
  		timersub(&tv, &tv_start, &tv_delta);
  		msec = tv_delta.tv_sec * MSEC_PER_SEC +
  		       tv_delta.tv_usec / USEC_PER_MSEC;
  		if (msec > HNS3_RESET_PROCESS_MS)
  			hns3_err(hw, "%d handle long time delta %" PRIx64
  				     " ms time=%ld.%.6ld",
  				 hw->reset.level, msec,
  				 tv.tv_sec, tv.tv_usec);
  		if (ret == -EAGAIN)
  			return;
  	}
  
  	/* Check if we got any *new* reset requests to be honored */
  	reset_level = hns3_get_reset_level(hns, &hw->reset.request);
  	if (reset_level != HNS3_NONE_RESET)
  		hns3_msix_process(hns, reset_level);
  }
  
  static unsigned int
  hns3_get_speed_capa_num(uint16_t device_id)
  {
  	unsigned int num;
  
  	switch (device_id) {
  	case HNS3_DEV_ID_25GE:
  	case HNS3_DEV_ID_25GE_RDMA:
  		num = 2;
  		break;
  	case HNS3_DEV_ID_100G_RDMA_MACSEC:
  	case HNS3_DEV_ID_200G_RDMA:
  		num = 1;
  		break;
  	default:
  		num = 0;
  		break;
  	}
  
  	return num;
  }
  
  static int
  hns3_get_speed_fec_capa(struct rte_eth_fec_capa *speed_fec_capa,
  			uint16_t device_id)
  {
  	switch (device_id) {
  	case HNS3_DEV_ID_25GE:
  	/* fallthrough */
  	case HNS3_DEV_ID_25GE_RDMA:
  		speed_fec_capa[0].speed = speed_fec_capa_tbl[1].speed;
  		speed_fec_capa[0].capa = speed_fec_capa_tbl[1].capa;
  
  		/* In HNS3 device, the 25G NIC is compatible with 10G rate */
  		speed_fec_capa[1].speed = speed_fec_capa_tbl[0].speed;
  		speed_fec_capa[1].capa = speed_fec_capa_tbl[0].capa;
  		break;
  	case HNS3_DEV_ID_100G_RDMA_MACSEC:
  		speed_fec_capa[0].speed = speed_fec_capa_tbl[4].speed;
  		speed_fec_capa[0].capa = speed_fec_capa_tbl[4].capa;
  		break;
  	case HNS3_DEV_ID_200G_RDMA:
  		speed_fec_capa[0].speed = speed_fec_capa_tbl[5].speed;
  		speed_fec_capa[0].capa = speed_fec_capa_tbl[5].capa;
  		break;
  	default:
  		return -ENOTSUP;
  	}
  
  	return 0;
  }
  
  static int
  hns3_fec_get_capability(struct rte_eth_dev *dev,
  			struct rte_eth_fec_capa *speed_fec_capa,
  			unsigned int num)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
  	uint16_t device_id = pci_dev->id.device_id;
  	unsigned int capa_num;
  	int ret;
  
  	capa_num = hns3_get_speed_capa_num(device_id);
  	if (capa_num == 0) {
  		hns3_err(hw, "device(0x%x) is not supported by hns3 PMD",
  			 device_id);
  		return -ENOTSUP;
  	}
  
  	if (speed_fec_capa == NULL || num < capa_num)
  		return capa_num;
  
  	ret = hns3_get_speed_fec_capa(speed_fec_capa, device_id);
  	if (ret)
  		return -ENOTSUP;
  
  	return capa_num;
  }
  
  static int
  get_current_fec_auto_state(struct hns3_hw *hw, uint8_t *state)
  {
  	struct hns3_config_fec_cmd *req;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	/*
  	 * CMD(HNS3_OPC_CONFIG_FEC_MODE) read is not supported
  	 * in device of link speed
  	 * below 10 Gbps.
  	 */
  	if (hw->mac.link_speed < ETH_SPEED_NUM_10G) {
  		*state = 0;
  		return 0;
  	}
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_FEC_MODE, true);
  	req = (struct hns3_config_fec_cmd *)desc.data;
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret) {
  		hns3_err(hw, "get current fec auto state failed, ret = %d",
  			 ret);
  		return ret;
  	}
  
  	*state = req->fec_mode & (1U << HNS3_MAC_CFG_FEC_AUTO_EN_B);
  	return 0;
  }
  
  static int
  hns3_fec_get_internal(struct hns3_hw *hw, uint32_t *fec_capa)
  {
  #define QUERY_ACTIVE_SPEED	1
  	struct hns3_sfp_speed_cmd *resp;
  	uint32_t tmp_fec_capa;
  	uint8_t auto_state;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	/*
  	 * If link is down and AUTO is enabled, AUTO is returned, otherwise,
  	 * configured FEC mode is returned.
  	 * If link is up, current FEC mode is returned.
  	 */
  	if (hw->mac.link_status == ETH_LINK_DOWN) {
  		ret = get_current_fec_auto_state(hw, &auto_state);
  		if (ret)
  			return ret;
  
  		if (auto_state == 0x1) {
  			*fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(AUTO);
  			return 0;
  		}
  	}
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_SFP_GET_SPEED, true);
  	resp = (struct hns3_sfp_speed_cmd *)desc.data;
  	resp->query_type = QUERY_ACTIVE_SPEED;
  
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret == -EOPNOTSUPP) {
  		hns3_err(hw, "IMP do not support get FEC, ret = %d", ret);
  		return ret;
  	} else if (ret) {
  		hns3_err(hw, "get FEC failed, ret = %d", ret);
  		return ret;
  	}
  
  	/*
  	 * FEC mode order defined in hns3 hardware is inconsistend with
  	 * that defined in the ethdev library. So the sequence needs
  	 * to be converted.
  	 */
  	switch (resp->active_fec) {
  	case HNS3_HW_FEC_MODE_NOFEC:
  		tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC);
  		break;
  	case HNS3_HW_FEC_MODE_BASER:
  		tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(BASER);
  		break;
  	case HNS3_HW_FEC_MODE_RS:
  		tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(RS);
  		break;
  	default:
  		tmp_fec_capa = RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC);
  		break;
  	}
  
  	*fec_capa = tmp_fec_capa;
  	return 0;
  }
  
  static int
  hns3_fec_get(struct rte_eth_dev *dev, uint32_t *fec_capa)
  {
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
  
  	return hns3_fec_get_internal(hw, fec_capa);
  }
  
  static int
  hns3_set_fec_hw(struct hns3_hw *hw, uint32_t mode)
  {
  	struct hns3_config_fec_cmd *req;
  	struct hns3_cmd_desc desc;
  	int ret;
  
  	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CONFIG_FEC_MODE, false);
  
  	req = (struct hns3_config_fec_cmd *)desc.data;
  	switch (mode) {
  	case RTE_ETH_FEC_MODE_CAPA_MASK(NOFEC):
  		hns3_set_field(req->fec_mode, HNS3_MAC_CFG_FEC_MODE_M,
  				HNS3_MAC_CFG_FEC_MODE_S, HNS3_MAC_FEC_OFF);
  		break;
  	case RTE_ETH_FEC_MODE_CAPA_MASK(BASER):
  		hns3_set_field(req->fec_mode, HNS3_MAC_CFG_FEC_MODE_M,
  				HNS3_MAC_CFG_FEC_MODE_S, HNS3_MAC_FEC_BASER);
  		break;
  	case RTE_ETH_FEC_MODE_CAPA_MASK(RS):
  		hns3_set_field(req->fec_mode, HNS3_MAC_CFG_FEC_MODE_M,
  				HNS3_MAC_CFG_FEC_MODE_S, HNS3_MAC_FEC_RS);
  		break;
  	case RTE_ETH_FEC_MODE_CAPA_MASK(AUTO):
  		hns3_set_bit(req->fec_mode, HNS3_MAC_CFG_FEC_AUTO_EN_B, 1);
  		break;
  	default:
  		return 0;
  	}
  	ret = hns3_cmd_send(hw, &desc, 1);
  	if (ret)
  		hns3_err(hw, "set fec mode failed, ret = %d", ret);
  
  	return ret;
  }
  
  static uint32_t
  get_current_speed_fec_cap(struct hns3_hw *hw, struct rte_eth_fec_capa *fec_capa)
  {
  	struct hns3_mac *mac = &hw->mac;
  	uint32_t cur_capa;
  
  	switch (mac->link_speed) {
  	case ETH_SPEED_NUM_10G:
  		cur_capa = fec_capa[1].capa;
  		break;
  	case ETH_SPEED_NUM_25G:
  	case ETH_SPEED_NUM_100G:
  	case ETH_SPEED_NUM_200G:
  		cur_capa = fec_capa[0].capa;
  		break;
  	default:
  		cur_capa = 0;
  		break;
  	}
  
  	return cur_capa;
  }
  
  static bool
  is_fec_mode_one_bit_set(uint32_t mode)
  {
  	int cnt = 0;
  	uint8_t i;
  
  	for (i = 0; i < sizeof(mode); i++)
  		if (mode >> i & 0x1)
  			cnt++;
  
  	return cnt == 1 ? true : false;
  }
  
  static int
  hns3_fec_set(struct rte_eth_dev *dev, uint32_t mode)
  {
  #define FEC_CAPA_NUM 2
  	struct hns3_adapter *hns = dev->data->dev_private;
  	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(hns);
  	struct hns3_pf *pf = &hns->pf;
  
  	struct rte_eth_fec_capa fec_capa[FEC_CAPA_NUM];
  	uint32_t cur_capa;
  	uint32_t num = FEC_CAPA_NUM;
  	int ret;
  
  	ret = hns3_fec_get_capability(dev, fec_capa, num);
  	if (ret < 0)
  		return ret;
  
  	/* HNS3 PMD driver only support one bit set mode, e.g. 0x1, 0x4 */
  	if (!is_fec_mode_one_bit_set(mode))
  		hns3_err(hw, "FEC mode(0x%x) not supported in HNS3 PMD,"
  			     "FEC mode should be only one bit set", mode);
  
  	/*
  	 * Check whether the configured mode is within the FEC capability.
  	 * If not, the configured mode will not be supported.
  	 */
  	cur_capa = get_current_speed_fec_cap(hw, fec_capa);
  	if (!(cur_capa & mode)) {
  		hns3_err(hw, "unsupported FEC mode = 0x%x", mode);
  		return -EINVAL;
  	}
  
  	ret = hns3_set_fec_hw(hw, mode);
  	if (ret)
  		return ret;
  
  	pf->fec_mode = mode;
  	return 0;
  }
  
  static int
  hns3_restore_fec(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = &hns->pf;
  	uint32_t mode = pf->fec_mode;
  	int ret;
  
  	ret = hns3_set_fec_hw(hw, mode);
  	if (ret)
  		hns3_err(hw, "restore fec mode(0x%x) failed, ret = %d",
  			 mode, ret);
  
  	return ret;
  }
  
  static int
  hns3_query_dev_fec_info(struct hns3_hw *hw)
  {
  	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
  	struct hns3_pf *pf = HNS3_DEV_PRIVATE_TO_PF(hns);
  	int ret;
  
  	ret = hns3_fec_get_internal(hw, &pf->fec_mode);
  	if (ret)
  		hns3_err(hw, "query device FEC info failed, ret = %d", ret);
  
  	return ret;
  }
  
  static const struct eth_dev_ops hns3_eth_dev_ops = {
  	.dev_configure      = hns3_dev_configure,
  	.dev_start          = hns3_dev_start,
  	.dev_stop           = hns3_dev_stop,
  	.dev_close          = hns3_dev_close,
  	.promiscuous_enable = hns3_dev_promiscuous_enable,
  	.promiscuous_disable = hns3_dev_promiscuous_disable,
  	.allmulticast_enable  = hns3_dev_allmulticast_enable,
  	.allmulticast_disable = hns3_dev_allmulticast_disable,
  	.mtu_set            = hns3_dev_mtu_set,
  	.stats_get          = hns3_stats_get,
  	.stats_reset        = hns3_stats_reset,
  	.xstats_get         = hns3_dev_xstats_get,
  	.xstats_get_names   = hns3_dev_xstats_get_names,
  	.xstats_reset       = hns3_dev_xstats_reset,
  	.xstats_get_by_id   = hns3_dev_xstats_get_by_id,
  	.xstats_get_names_by_id = hns3_dev_xstats_get_names_by_id,
  	.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,
  	.rx_queue_start         = hns3_dev_rx_queue_start,
  	.rx_queue_stop          = hns3_dev_rx_queue_stop,
  	.tx_queue_start         = hns3_dev_tx_queue_start,
  	.tx_queue_stop          = hns3_dev_tx_queue_stop,
  	.rx_queue_intr_enable   = hns3_dev_rx_queue_intr_enable,
  	.rx_queue_intr_disable  = hns3_dev_rx_queue_intr_disable,
  	.rxq_info_get           = hns3_rxq_info_get,
  	.txq_info_get           = hns3_txq_info_get,
  	.rx_burst_mode_get      = hns3_rx_burst_mode_get,
  	.tx_burst_mode_get      = hns3_tx_burst_mode_get,
  	.flow_ctrl_get          = hns3_flow_ctrl_get,
  	.flow_ctrl_set          = hns3_flow_ctrl_set,
  	.priority_flow_ctrl_set = hns3_priority_flow_ctrl_set,
  	.mac_addr_add           = hns3_add_mac_addr,
  	.mac_addr_remove        = hns3_remove_mac_addr,
  	.mac_addr_set           = hns3_set_default_mac_addr,
  	.set_mc_addr_list       = hns3_set_mc_mac_addr_list,
  	.link_update            = hns3_dev_link_update,
  	.rss_hash_update        = hns3_dev_rss_hash_update,
  	.rss_hash_conf_get      = hns3_dev_rss_hash_conf_get,
  	.reta_update            = hns3_dev_rss_reta_update,
  	.reta_query             = hns3_dev_rss_reta_query,
  	.filter_ctrl            = hns3_dev_filter_ctrl,
  	.vlan_filter_set        = hns3_vlan_filter_set,
  	.vlan_tpid_set          = hns3_vlan_tpid_set,
  	.vlan_offload_set       = hns3_vlan_offload_set,
  	.vlan_pvid_set          = hns3_vlan_pvid_set,
  	.get_reg                = hns3_get_regs,
  	.get_dcb_info           = hns3_get_dcb_info,
  	.dev_supported_ptypes_get = hns3_dev_supported_ptypes_get,
  	.fec_get_capability     = hns3_fec_get_capability,
  	.fec_get                = hns3_fec_get,
  	.fec_set                = hns3_fec_set,
  	.tm_ops_get             = hns3_tm_ops_get,
  };
  
  static const struct hns3_reset_ops hns3_reset_ops = {
  	.reset_service       = hns3_reset_service,
  	.stop_service        = hns3_stop_service,
  	.prepare_reset       = hns3_prepare_reset,
  	.wait_hardware_ready = hns3_wait_hardware_ready,
  	.reinit_dev          = hns3_reinit_dev,
  	.restore_conf	     = hns3_restore_conf,
  	.start_service       = hns3_start_service,
  };
  
  static int
  hns3_dev_init(struct rte_eth_dev *eth_dev)
  {
  	struct hns3_adapter *hns = eth_dev->data->dev_private;
  	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
  	struct rte_ether_addr *eth_addr;
  	struct hns3_hw *hw = &hns->hw;
  	int ret;
  
  	PMD_INIT_FUNC_TRACE();
  
  	eth_dev->process_private = (struct hns3_process_private *)
  	    rte_zmalloc_socket("hns3_filter_list",
  			       sizeof(struct hns3_process_private),
  			       RTE_CACHE_LINE_SIZE, eth_dev->device->numa_node);
  	if (eth_dev->process_private == NULL) {
  		PMD_INIT_LOG(ERR, "Failed to alloc memory for process private");
  		return -ENOMEM;
  	}
  	/* initialize flow filter lists */
  	hns3_filterlist_init(eth_dev);
  
  	hns3_set_rxtx_function(eth_dev);
  	eth_dev->dev_ops = &hns3_eth_dev_ops;
  	eth_dev->rx_queue_count = hns3_rx_queue_count;
  	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
  		ret = hns3_mp_init_secondary();
  		if (ret) {
  			PMD_INIT_LOG(ERR, "Failed to init for secondary "
  				     "process, ret = %d", ret);
  			goto err_mp_init_secondary;
  		}
  
  		hw->secondary_cnt++;
  		return 0;
  	}
  
  	eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
  
  	ret = hns3_mp_init_primary();
  	if (ret) {
  		PMD_INIT_LOG(ERR,
  			     "Failed to init for primary process, ret = %d",
  			     ret);
  		goto err_mp_init_primary;
  	}
  
  	hw->adapter_state = HNS3_NIC_UNINITIALIZED;
  	hns->is_vf = false;
  	hw->data = eth_dev->data;
  
  	/*
  	 * Set default max packet size according to the mtu
  	 * default vale in DPDK frame.
  	 */
  	hns->pf.mps = hw->data->mtu + HNS3_ETH_OVERHEAD;
  
  	ret = hns3_reset_init(hw);
  	if (ret)
  		goto err_init_reset;
  	hw->reset.ops = &hns3_reset_ops;
  
  	ret = hns3_init_pf(eth_dev);
  	if (ret) {
  		PMD_INIT_LOG(ERR, "Failed to init pf: %d", ret);
  		goto err_init_pf;
  	}
  
  	/* Allocate memory for storing MAC addresses */
  	eth_dev->data->mac_addrs = rte_zmalloc("hns3-mac",
  					       sizeof(struct rte_ether_addr) *
  					       HNS3_UC_MACADDR_NUM, 0);
  	if (eth_dev->data->mac_addrs == NULL) {
  		PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
  			     "to store MAC addresses",
  			     sizeof(struct rte_ether_addr) *
  			     HNS3_UC_MACADDR_NUM);
  		ret = -ENOMEM;
  		goto err_rte_zmalloc;
  	}
  
  	eth_addr = (struct rte_ether_addr *)hw->mac.mac_addr;
  	if (!rte_is_valid_assigned_ether_addr(eth_addr)) {
  		rte_eth_random_addr(hw->mac.mac_addr);
  		hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
  				(struct rte_ether_addr *)hw->mac.mac_addr);
  		hns3_warn(hw, "default mac_addr from firmware is an invalid "
  			  "unicast address, using random MAC address %s",
  			  mac_str);
  	}
  	rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
  			    &eth_dev->data->mac_addrs[0]);
  
  	hw->adapter_state = HNS3_NIC_INITIALIZED;
  
  	if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_PENDING) {
  		hns3_err(hw, "Reschedule reset service after dev_init");
  		hns3_schedule_reset(hns);
  	} else {
  		/* IMP will wait ready flag before reset */
  		hns3_notify_reset_ready(hw, false);
  	}
  
  	hns3_info(hw, "hns3 dev initialization successful!");
  	return 0;
  
  err_rte_zmalloc:
  	hns3_uninit_pf(eth_dev);
  
  err_init_pf:
  	rte_free(hw->reset.wait_data);
  
  err_init_reset:
  	hns3_mp_uninit_primary();
  
  err_mp_init_primary:
  err_mp_init_secondary:
  	eth_dev->dev_ops = NULL;
  	eth_dev->rx_pkt_burst = NULL;
  	eth_dev->tx_pkt_burst = NULL;
  	eth_dev->tx_pkt_prepare = NULL;
  	rte_free(eth_dev->process_private);
  	eth_dev->process_private = NULL;
  	return ret;
  }
  
  static int
  hns3_dev_uninit(struct rte_eth_dev *eth_dev)
  {
  	struct hns3_adapter *hns = eth_dev->data->dev_private;
  	struct hns3_hw *hw = &hns->hw;
  
  	PMD_INIT_FUNC_TRACE();
  
  	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
  		return -EPERM;
  
  	if (hw->adapter_state < HNS3_NIC_CLOSING)
  		hns3_dev_close(eth_dev);
  
  	hw->adapter_state = HNS3_NIC_REMOVED;
  	return 0;
  }
  
  static int
  eth_hns3_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
  		   struct rte_pci_device *pci_dev)
  {
  	return rte_eth_dev_pci_generic_probe(pci_dev,
  					     sizeof(struct hns3_adapter),
  					     hns3_dev_init);
  }
  
  static int
  eth_hns3_pci_remove(struct rte_pci_device *pci_dev)
  {
  	return rte_eth_dev_pci_generic_remove(pci_dev, hns3_dev_uninit);
  }
  
  static const struct rte_pci_id pci_id_hns3_map[] = {
  	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_GE) },
  	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE) },
  	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_25GE_RDMA) },
  	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_50GE_RDMA) },
  	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_RDMA_MACSEC) },
  	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_200G_RDMA) },
  	{ .vendor_id = 0, }, /* sentinel */
  };
  
  static struct rte_pci_driver rte_hns3_pmd = {
  	.id_table = pci_id_hns3_map,
  	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
  	.probe = eth_hns3_pci_probe,
  	.remove = eth_hns3_pci_remove,
  };
  
  RTE_PMD_REGISTER_PCI(net_hns3, rte_hns3_pmd);
  RTE_PMD_REGISTER_PCI_TABLE(net_hns3, pci_id_hns3_map);
  RTE_PMD_REGISTER_KMOD_DEP(net_hns3, "* igb_uio | vfio-pci");
  RTE_LOG_REGISTER(hns3_logtype_init, pmd.net.hns3.init, NOTICE);
  RTE_LOG_REGISTER(hns3_logtype_driver, pmd.net.hns3.driver, NOTICE);
  