diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index 4f4de6d..3b5deb0 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -34,10 +34,1469 @@
 #include "hns3_logs.h"
 #include "hns3_regs.h"
 
+#define HNS3_DEFAULT_PORT_CONF_BURST_SIZE	32
+#define HNS3_DEFAULT_PORT_CONF_QUEUES_NUM	1
+
 int hns3_logtype_init;
 int hns3_logtype_driver;
 
 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);
+}
+
+int
+hns3_config_gro(struct hns3_hw *hw, bool en)
+{
+	struct hns3_cfg_gro_status_cmd *req;
+	struct hns3_cmd_desc desc;
+	int ret;
+
+	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_GRO_GENERIC_CONFIG, false);
+	req = (struct hns3_cfg_gro_status_cmd *)desc.data;
+
+	req->gro_en = rte_cpu_to_le_16(en ? 1 : 0);
+
+	ret = hns3_cmd_send(hw, &desc, 1);
+	if (ret)
+		hns3_err(hw, "GRO hardware config cmd failed, ret = %d\n", ret);
+
+	return ret;
+}
+
+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 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 = HNS3_MIN_FRAME_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;
+	}
+
+	return 0;
+}
+
+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_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);
+	pf->pkt_buf_size = rte_le_to_cpu_16(req->buf_size) << HNS3_BUF_UNIT_S;
+	hw->tqps_num = RTE_MIN(hw->total_tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC);
+
+	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->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;
+	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;
+}
+
+/* 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;
+	default:
+		return -EINVAL;
+	}
+
+	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) {
+		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->rx_buf_len = cfg.rx_buf_len;
+	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 %d, 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 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;
+	}
+
+	return 0;
+}
+
+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)
+{
+	uint16_t tqps_num = hw->total_tqps_num;
+	uint16_t func_id;
+	uint16_t tqp_id;
+	int num;
+	int ret;
+	int i;
+
+	/*
+	 * In current version VF is not supported when PF is taken over by DPDK,
+	 * so we allocate tqps to PF as much as possible.
+	 */
+	tqp_id = 0;
+	num = DIV_ROUND_UP(hw->total_tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC);
+	for (func_id = 0; func_id < num; func_id++) {
+		for (i = 0;
+		     i < HNS3_MAX_TQP_NUM_PER_FUNC && tqp_id < tqps_num; i++) {
+			ret = hns3_map_tqps_to_func(hw, func_id, tqp_id++, 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;
+	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(max_t(uint32_t, 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 = max_t(uint32_t, 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=%d.\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=%d.",
+			     resp_code);
+		return_status = -EIO;
+	}
+
+	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;
+
+	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, status is %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;
+	int ret;
+
+	/*
+	 * In current version VF is not supported when PF is taken over by DPDK,
+	 * the PF-related vf_id is 0, just need to configure parameters for
+	 * vf_id 0.
+	 */
+	vf_id = 0;
+
+	hns3_promisc_param_init(&param, en_uc_pmc, en_mc_pmc, en_bc_pmc, vf_id);
+	ret = hns3_cmd_set_promisc_mode(hw, &param);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+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_set_promisc_mode(hw, false, false);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Failed to set promisc mode: %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;
+	}
+	return 0;
+
+err_mac_init:
+	hns3_uninit_umv_space(hw);
+	return ret;
+}
+
+static int
 hns3_init_pf(struct rte_eth_dev *eth_dev)
 {
 	struct rte_device *dev = eth_dev->device;
@@ -67,8 +1526,24 @@ hns3_init_pf(struct rte_eth_dev *eth_dev)
 		goto err_cmd_init;
 	}
 
+	/* 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_init_hardware(hns);
+	if (ret) {
+		PMD_INIT_LOG(ERR, "Failed to init hardware: %d", ret);
+		goto err_get_config;
+	}
+
 	return 0;
 
+err_get_config:
+	hns3_cmd_uninit(hw);
+
 err_cmd_init:
 	hns3_cmd_destroy_queue(hw);
 
@@ -88,6 +1563,7 @@ hns3_uninit_pf(struct rte_eth_dev *eth_dev)
 
 	PMD_INIT_FUNC_TRACE();
 
+	hns3_uninit_umv_space(hw);
 	hns3_cmd_uninit(hw);
 	hns3_cmd_destroy_queue(hw);
 	hw->io_base = NULL;
@@ -128,6 +1604,7 @@ hns3_dev_init(struct rte_eth_dev *eth_dev)
 
 	hns->is_vf = false;
 	hw->data = eth_dev->data;
+	hns->pf.mps = HNS3_DEFAULT_FRAME_LEN;
 
 	ret = hns3_init_pf(eth_dev);
 	if (ret) {
@@ -135,10 +1612,30 @@ hns3_dev_init(struct rte_eth_dev *eth_dev)
 		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 %ld bytes needed to store"
+			     " MAC addresses",
+			     sizeof(struct rte_ether_addr) *
+			     HNS3_UC_MACADDR_NUM);
+		ret = -ENOMEM;
+		goto err_rte_zmalloc;
+	}
+
+	rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
+			    &eth_dev->data->mac_addrs[0]);
+
 	hw->adapter_state = HNS3_NIC_INITIALIZED;
+	hns3_info(hw, "hns3 dev initialization successful!");
 
 	return 0;
 
+err_rte_zmalloc:
+	hns3_uninit_pf(eth_dev);
+
 err_init_pf:
 	eth_dev->dev_ops = NULL;
 	return ret;
diff --git a/drivers/net/hns3/hns3_ethdev.h b/drivers/net/hns3/hns3_ethdev.h
index 84fcf34..d5f62fe 100644
--- a/drivers/net/hns3/hns3_ethdev.h
+++ b/drivers/net/hns3/hns3_ethdev.h
@@ -606,4 +606,7 @@ hns3_test_and_clear_bit(unsigned int nr, volatile uint64_t *addr)
 	return __sync_fetch_and_and(addr, ~mask) & mask;
 }
 
+int hns3_buffer_alloc(struct hns3_hw *hw);
+int hns3_config_gro(struct hns3_hw *hw, bool en);
+
 #endif /* _HNS3_ETHDEV_H_ */
