[PATCH v4 09/15] net/zxdh: link info update, set link up/down

[Junlong Wang <wang.junlong1@zte.com.cn>]

[-- Attachment #1.1.1: Type: text/plain, Size: 23805 bytes --]

provided link info update, set link up /down,
and link intr.

Signed-off-by: Junlong Wang <wang.junlong1@zte.com.cn>
---
 doc/guides/nics/features/zxdh.ini  |   2 +
 doc/guides/nics/zxdh.rst           |   3 +
 drivers/net/zxdh/meson.build       |   1 +
 drivers/net/zxdh/zxdh_ethdev.c     |  14 ++-
 drivers/net/zxdh/zxdh_ethdev.h     |   2 +
 drivers/net/zxdh/zxdh_ethdev_ops.c | 166 ++++++++++++++++++++++++++++
 drivers/net/zxdh/zxdh_ethdev_ops.h |  14 +++
 drivers/net/zxdh/zxdh_msg.c        |  57 ++++++++++
 drivers/net/zxdh/zxdh_msg.h        |  40 +++++++
 drivers/net/zxdh/zxdh_np.c         | 172 ++++++++++++++++++++++++++++-
 drivers/net/zxdh/zxdh_np.h         |  20 ++++
 drivers/net/zxdh/zxdh_tables.c     |  15 +++
 drivers/net/zxdh/zxdh_tables.h     |   6 +-
 13 files changed, 503 insertions(+), 9 deletions(-)
 create mode 100644 drivers/net/zxdh/zxdh_ethdev_ops.c
 create mode 100644 drivers/net/zxdh/zxdh_ethdev_ops.h

diff --git a/doc/guides/nics/features/zxdh.ini b/doc/guides/nics/features/zxdh.ini
index bb44e93fad..7da3aaced1 100644
--- a/doc/guides/nics/features/zxdh.ini
+++ b/doc/guides/nics/features/zxdh.ini
@@ -10,3 +10,5 @@ ARMv8                = Y
 SR-IOV               = Y
 Multiprocess aware   = Y
 Scattered Rx         = Y
+Link status          = Y
+Link status event    = Y
diff --git a/doc/guides/nics/zxdh.rst b/doc/guides/nics/zxdh.rst
index f42db9c1f1..fdbc3b3923 100644
--- a/doc/guides/nics/zxdh.rst
+++ b/doc/guides/nics/zxdh.rst
@@ -21,6 +21,9 @@ Features of the ZXDH PMD are:
 - Multiple queues for TX and RX
 - SR-IOV VF
 - Scattered and gather for TX and RX
+- Link Auto-negotiation
+- Link state information
+- Set Link down or up
 
 
 Driver compilation and testing
diff --git a/drivers/net/zxdh/meson.build b/drivers/net/zxdh/meson.build
index 20b2cf484a..48f8f5e1ee 100644
--- a/drivers/net/zxdh/meson.build
+++ b/drivers/net/zxdh/meson.build
@@ -22,4 +22,5 @@ sources = files(
         'zxdh_np.c',
         'zxdh_tables.c',
         'zxdh_rxtx.c',
+        'zxdh_ethdev_ops.c',
 )
diff --git a/drivers/net/zxdh/zxdh_ethdev.c b/drivers/net/zxdh/zxdh_ethdev.c
index 0d63129d8d..d3876ec9b3 100644
--- a/drivers/net/zxdh/zxdh_ethdev.c
+++ b/drivers/net/zxdh/zxdh_ethdev.c
@@ -16,6 +16,7 @@
 #include "zxdh_np.h"
 #include "zxdh_tables.h"
 #include "zxdh_rxtx.h"
+#include "zxdh_ethdev_ops.h"
 
 struct zxdh_hw_internal zxdh_hw_internal[RTE_MAX_ETHPORTS];
 struct zxdh_shared_data *zxdh_shared_data;
@@ -105,12 +106,18 @@ static void
 zxdh_devconf_intr_handler(void *param)
 {
 	struct rte_eth_dev *dev = param;
+	struct zxdh_hw *hw = dev->data->dev_private;
+
+	uint8_t isr = zxdh_pci_isr(hw);
 
 	if (zxdh_intr_unmask(dev) < 0)
 		PMD_DRV_LOG(ERR, "interrupt enable failed");
+	if (isr & ZXDH_PCI_ISR_CONFIG) {
+		if (zxdh_dev_link_update(dev, 0) == 0)
+			rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
+	}
 }
 
-
 /* Interrupt handler triggered by NIC for handling specific interrupt. */
 static void
 zxdh_fromriscv_intr_handler(void *param)
@@ -1006,6 +1013,8 @@ zxdh_dev_start(struct rte_eth_dev *dev)
 		vq = hw->vqs[logic_qidx];
 		zxdh_queue_notify(vq);
 	}
+	zxdh_dev_set_link_up(dev);
+
 	return 0;
 }
 
@@ -1020,6 +1029,9 @@ static const struct eth_dev_ops zxdh_eth_dev_ops = {
 	.tx_queue_setup			 = zxdh_dev_tx_queue_setup,
 	.rx_queue_intr_enable	 = zxdh_dev_rx_queue_intr_enable,
 	.rx_queue_intr_disable	 = zxdh_dev_rx_queue_intr_disable,
+	.link_update			 = zxdh_dev_link_update,
+	.dev_set_link_up		 = zxdh_dev_set_link_up,
+	.dev_set_link_down		 = zxdh_dev_set_link_down,
 };
 
 static int32_t
diff --git a/drivers/net/zxdh/zxdh_ethdev.h b/drivers/net/zxdh/zxdh_ethdev.h
index b1f398b28e..c0b719062c 100644
--- a/drivers/net/zxdh/zxdh_ethdev.h
+++ b/drivers/net/zxdh/zxdh_ethdev.h
@@ -72,6 +72,7 @@ struct zxdh_hw {
 	uint64_t guest_features;
 	uint32_t max_queue_pairs;
 	uint32_t speed;
+	uint32_t speed_mode;
 	uint32_t notify_off_multiplier;
 	uint16_t *notify_base;
 	uint16_t pcie_id;
@@ -93,6 +94,7 @@ struct zxdh_hw {
 	uint8_t panel_id;
 	uint8_t has_tx_offload;
 	uint8_t has_rx_offload;
+	uint8_t admin_status;
 };
 
 struct zxdh_dtb_shared_data {
diff --git a/drivers/net/zxdh/zxdh_ethdev_ops.c b/drivers/net/zxdh/zxdh_ethdev_ops.c
new file mode 100644
index 0000000000..5a0af98cc0
--- /dev/null
+++ b/drivers/net/zxdh/zxdh_ethdev_ops.c
@@ -0,0 +1,166 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#include "zxdh_ethdev.h"
+#include "zxdh_pci.h"
+#include "zxdh_msg.h"
+#include "zxdh_ethdev_ops.h"
+#include "zxdh_tables.h"
+#include "zxdh_logs.h"
+
+static int32_t zxdh_config_port_status(struct rte_eth_dev *dev, uint16_t link_status)
+{
+	struct zxdh_hw *hw = dev->data->dev_private;
+	struct zxdh_port_attr_table port_attr = {0};
+	struct zxdh_msg_info msg_info = {0};
+	int32_t ret = 0;
+
+	if (hw->is_pf) {
+		ret = zxdh_get_port_attr(hw->vfid, &port_attr);
+		if (ret) {
+			PMD_DRV_LOG(ERR, "write port_attr failed");
+			return -1;
+		}
+		port_attr.is_up = link_status;
+
+		ret = zxdh_set_port_attr(hw->vfid, &port_attr);
+		if (ret) {
+			PMD_DRV_LOG(ERR, "write port_attr failed");
+			return -1;
+		}
+	} else {
+		struct zxdh_port_attr_set_msg *port_attr_msg = &msg_info.data.port_attr_msg;
+
+		zxdh_msg_head_build(hw, ZXDH_PORT_ATTRS_SET, &msg_info);
+		port_attr_msg->mode = ZXDH_PORT_ATTR_IS_UP_FLAG;
+		port_attr_msg->value = link_status;
+		ret = zxdh_vf_send_msg_to_pf(dev, &msg_info, sizeof(msg_info), NULL, 0);
+		if (ret) {
+			PMD_DRV_LOG(ERR, "Failed to send msg: port 0x%x msg type %d",
+				hw->vport.vport, ZXDH_PORT_ATTR_IS_UP_FLAG);
+			return ret;
+		}
+	}
+	return ret;
+}
+
+static int32_t
+zxdh_link_info_get(struct rte_eth_dev *dev, struct rte_eth_link *link)
+{
+	struct zxdh_hw *hw = dev->data->dev_private;
+	struct zxdh_msg_info msg_info = {0};
+	struct zxdh_msg_reply_info reply_info = {0};
+	uint16_t status = 0;
+	int32_t ret = 0;
+
+	if (zxdh_pci_with_feature(hw, ZXDH_NET_F_STATUS))
+		zxdh_pci_read_dev_config(hw, offsetof(struct zxdh_net_config, status),
+					&status, sizeof(status));
+
+	link->link_status = status;
+
+	if (status == RTE_ETH_LINK_DOWN) {
+		link->link_speed = RTE_ETH_SPEED_NUM_UNKNOWN;
+		link->link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
+	} else {
+		zxdh_agent_msg_build(hw, ZXDH_MAC_LINK_GET, &msg_info);
+
+		ret = zxdh_send_msg_to_riscv(dev, &msg_info, sizeof(struct zxdh_msg_info),
+				&reply_info, sizeof(struct zxdh_msg_reply_info),
+				ZXDH_BAR_MODULE_MAC);
+		if (ret) {
+			PMD_DRV_LOG(ERR, "Failed to send msg: port 0x%x msg type %d",
+					hw->vport.vport, ZXDH_MAC_LINK_GET);
+			return -1;
+		}
+		link->link_speed = reply_info.reply_body.link_msg.speed;
+		hw->speed_mode = reply_info.reply_body.link_msg.speed_modes;
+		if ((reply_info.reply_body.link_msg.duplex & RTE_ETH_LINK_FULL_DUPLEX) ==
+				RTE_ETH_LINK_FULL_DUPLEX)
+			link->link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
+		else
+			link->link_duplex = RTE_ETH_LINK_HALF_DUPLEX;
+	}
+	hw->speed = link->link_speed;
+
+	return 0;
+}
+
+static int zxdh_set_link_status(struct rte_eth_dev *dev, uint8_t link_status)
+{
+	uint16_t curr_link_status = dev->data->dev_link.link_status;
+
+	struct rte_eth_link link;
+	struct zxdh_hw *hw = dev->data->dev_private;
+	int32_t ret = 0;
+
+	if (link_status == curr_link_status) {
+		PMD_DRV_LOG(DEBUG, "curr_link_status %u", curr_link_status);
+		return 0;
+	}
+
+	hw->admin_status = link_status;
+	ret = zxdh_link_info_get(dev, &link);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to get link status from hw");
+		return ret;
+	}
+	dev->data->dev_link.link_status = hw->admin_status & link.link_status;
+
+	if (dev->data->dev_link.link_status == RTE_ETH_LINK_UP) {
+		dev->data->dev_link.link_speed = link.link_speed;
+		dev->data->dev_link.link_duplex = link.link_duplex;
+	} else {
+		dev->data->dev_link.link_speed = RTE_ETH_SPEED_NUM_UNKNOWN;
+		dev->data->dev_link.link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
+	}
+	return zxdh_config_port_status(dev, dev->data->dev_link.link_status);
+}
+
+int zxdh_dev_set_link_up(struct rte_eth_dev *dev)
+{
+	int ret = zxdh_set_link_status(dev, RTE_ETH_LINK_UP);
+
+	if (ret)
+		PMD_DRV_LOG(ERR, "Set link up failed, code:%d", ret);
+
+	return ret;
+}
+
+int32_t zxdh_dev_link_update(struct rte_eth_dev *dev, int32_t wait_to_complete __rte_unused)
+{
+	struct rte_eth_link link;
+	struct zxdh_hw *hw = dev->data->dev_private;
+	int32_t ret = 0;
+
+	memset(&link, 0, sizeof(link));
+	link.link_duplex = hw->duplex;
+	link.link_speed  = hw->speed;
+	link.link_autoneg = RTE_ETH_LINK_AUTONEG;
+
+	ret = zxdh_link_info_get(dev, &link);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, " Failed to get link status from hw");
+		return ret;
+	}
+	link.link_status &= hw->admin_status;
+	if (link.link_status == RTE_ETH_LINK_DOWN)
+		link.link_speed  = RTE_ETH_SPEED_NUM_UNKNOWN;
+
+	ret = zxdh_config_port_status(dev, link.link_status);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "set port attr %d failed.", link.link_status);
+		return ret;
+	}
+	return rte_eth_linkstatus_set(dev, &link);
+}
+
+int zxdh_dev_set_link_down(struct rte_eth_dev *dev)
+{
+	int ret = zxdh_set_link_status(dev, RTE_ETH_LINK_DOWN);
+
+	if (ret)
+		PMD_DRV_LOG(ERR, "Set link down failed");
+	return ret;
+}
diff --git a/drivers/net/zxdh/zxdh_ethdev_ops.h b/drivers/net/zxdh/zxdh_ethdev_ops.h
new file mode 100644
index 0000000000..c6d6ca56fd
--- /dev/null
+++ b/drivers/net/zxdh/zxdh_ethdev_ops.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#ifndef ZXDH_ETHDEV_OPS_H
+#define ZXDH_ETHDEV_OPS_H
+
+#include "zxdh_ethdev.h"
+
+int zxdh_dev_set_link_up(struct rte_eth_dev *dev);
+int zxdh_dev_set_link_down(struct rte_eth_dev *dev);
+int32_t zxdh_dev_link_update(struct rte_eth_dev *dev, int32_t wait_to_complete __rte_unused);
+
+#endif /* ZXDH_ETHDEV_OPS_H */
diff --git a/drivers/net/zxdh/zxdh_msg.c b/drivers/net/zxdh/zxdh_msg.c
index aa2e10fd45..23a7ed2097 100644
--- a/drivers/net/zxdh/zxdh_msg.c
+++ b/drivers/net/zxdh/zxdh_msg.c
@@ -1134,6 +1134,51 @@ int zxdh_vf_send_msg_to_pf(struct rte_eth_dev *dev,  void *msg_req,
 	return 0;
 }
 
+int32_t zxdh_send_msg_to_riscv(struct rte_eth_dev *dev, void *msg_req,
+			uint16_t msg_req_len, void *reply, uint16_t reply_len,
+			enum ZXDH_BAR_MODULE_ID module_id)
+{
+	struct zxdh_hw *hw = dev->data->dev_private;
+	struct zxdh_pci_bar_msg in = {0};
+	struct zxdh_msg_recviver_mem result = {0};
+	struct zxdh_msg_reply_info reply_info = {0};
+
+	if (reply) {
+		RTE_ASSERT(reply_len < sizeof(zxdh_msg_reply_info));
+		result.recv_buffer  = reply;
+		result.buffer_len = reply_len;
+	} else {
+		result.recv_buffer = &reply_info;
+		result.buffer_len = sizeof(reply_info);
+	}
+	struct zxdh_msg_reply_head *reply_head =
+				&(((struct zxdh_msg_reply_info *)result.recv_buffer)->reply_head);
+	struct zxdh_msg_reply_body *reply_body =
+				&(((struct zxdh_msg_reply_info *)result.recv_buffer)->reply_body);
+	in.payload_addr = &msg_req;
+	in.payload_len = msg_req_len;
+	in.virt_addr = (uint64_t)(hw->bar_addr[ZXDH_BAR0_INDEX] + ZXDH_CTRLCH_OFFSET);
+	in.src = hw->is_pf ? ZXDH_MSG_CHAN_END_PF : ZXDH_MSG_CHAN_END_VF;
+	in.dst = ZXDH_MSG_CHAN_END_RISC;
+	in.module_id = module_id;
+	in.src_pcieid = hw->pcie_id;
+	if (zxdh_bar_chan_sync_msg_send(&in, &result) != ZXDH_BAR_MSG_OK) {
+		PMD_MSG_LOG(ERR, "Failed to send sync messages or receive response");
+		return -1;
+	}
+	if (reply_head->flag != ZXDH_MSG_REPS_OK) {
+		PMD_MSG_LOG(ERR, "vf[%d] get pf reply failed: reply_head flag : 0x%x(0xff is OK).replylen %d",
+				hw->vport.vfid, reply_head->flag, reply_head->reps_len);
+		return -1;
+	}
+	if (reply_body->flag != ZXDH_REPS_SUCC) {
+		PMD_MSG_LOG(ERR, "vf[%d] msg processing failed", hw->vfid);
+		return -1;
+	}
+
+	return 0;
+}
+
 void zxdh_msg_head_build(struct zxdh_hw *hw, enum zxdh_msg_type type,
 		struct zxdh_msg_info *msg_info)
 {
@@ -1144,3 +1189,15 @@ void zxdh_msg_head_build(struct zxdh_hw *hw, enum zxdh_msg_type type,
 	msghead->vf_id    = hw->vport.vfid;
 	msghead->pcieid   = hw->pcie_id;
 }
+
+void zxdh_agent_msg_build(struct zxdh_hw *hw, enum zxdh_agent_msg_type type,
+		struct zxdh_msg_info *msg_info)
+{
+	struct zxdh_agent_msg_head *agent_head = &msg_info->agent_msg_head;
+
+	agent_head->msg_type = type;
+	agent_head->panel_id = hw->panel_id;
+	agent_head->phyport = hw->phyport;
+	agent_head->vf_id = hw->vfid;
+	agent_head->pcie_id = hw->pcie_id;
+}
diff --git a/drivers/net/zxdh/zxdh_msg.h b/drivers/net/zxdh/zxdh_msg.h
index 613ca71170..a78075c914 100644
--- a/drivers/net/zxdh/zxdh_msg.h
+++ b/drivers/net/zxdh/zxdh_msg.h
@@ -164,11 +164,18 @@ enum pciebar_layout_type {
 	ZXDH_URI_MAX,
 };
 
+/* riscv msg opcodes */
+enum zxdh_agent_msg_type {
+	ZXDH_MAC_LINK_GET = 14,
+};
+
 enum zxdh_msg_type {
 	ZXDH_NULL = 0,
 	ZXDH_VF_PORT_INIT = 1,
 	ZXDH_VF_PORT_UNINIT = 2,
 
+	ZXDH_PORT_ATTRS_SET = 25,
+
 	ZXDH_MSG_TYPE_END,
 };
 
@@ -261,6 +268,15 @@ struct zxdh_offset_get_msg {
 	uint16_t type;
 };
 
+struct zxdh_link_info_msg {
+	uint8_t autoneg;
+	uint8_t link_state;
+	uint8_t blink_enable;
+	uint8_t duplex;
+	uint32_t speed_modes;
+	uint32_t speed;
+} __rte_packed;
+
 struct zxdh_msg_reply_head {
 	uint8_t flag;
 	uint16_t reps_len;
@@ -276,6 +292,7 @@ struct zxdh_msg_reply_body {
 	enum zxdh_reps_flag flag;
 	union {
 		uint8_t reply_data[ZXDH_MSG_REPLY_BODY_MAX_LEN - sizeof(enum zxdh_reps_flag)];
+		struct zxdh_link_info_msg link_msg;
 	} __rte_packed;
 } __rte_packed;
 
@@ -291,6 +308,12 @@ struct zxdh_vf_init_msg {
 	uint8_t rss_enable;
 } __rte_packed;
 
+struct zxdh_port_attr_set_msg {
+	uint32_t mode;
+	uint32_t value;
+	uint8_t allmulti_follow;
+} __rte_packed;
+
 struct zxdh_msg_head {
 	enum zxdh_msg_type msg_type;
 	uint16_t  vport;
@@ -298,14 +321,26 @@ struct zxdh_msg_head {
 	uint16_t pcieid;
 } __rte_packed;
 
+struct zxdh_agent_msg_head {
+	enum zxdh_agent_msg_type msg_type;
+	uint8_t panel_id;
+	uint8_t phyport;
+	uint8_t rsv;
+	uint16_t vf_id;
+	uint16_t pcie_id;
+} __rte_packed;
+
 struct zxdh_msg_info {
 	union {
 		uint8_t head_len[ZXDH_MSG_HEAD_LEN];
 		struct zxdh_msg_head msg_head;
+		struct zxdh_agent_msg_head agent_msg_head;
 	};
 	union {
 		uint8_t datainfo[ZXDH_MSG_REQ_BODY_MAX_LEN];
 		struct zxdh_vf_init_msg vf_init_msg;
+		struct zxdh_port_attr_set_msg port_attr_msg;
+		struct zxdh_link_info_msg link_msg;
 	} __rte_packed data;
 } __rte_packed;
 
@@ -326,5 +361,10 @@ void zxdh_msg_head_build(struct zxdh_hw *hw, enum zxdh_msg_type type,
 		struct zxdh_msg_info *msg_info);
 int zxdh_vf_send_msg_to_pf(struct rte_eth_dev *dev,  void *msg_req,
 			uint16_t msg_req_len, void *reply, uint16_t reply_len);
+void zxdh_agent_msg_build(struct zxdh_hw *hw, enum zxdh_agent_msg_type type,
+		struct zxdh_msg_info *msg_info);
+int32_t zxdh_send_msg_to_riscv(struct rte_eth_dev *dev, void *msg_req,
+			uint16_t msg_req_len, void *reply, uint16_t reply_len,
+			enum ZXDH_BAR_MODULE_ID module_id);
 
 #endif /* ZXDH_MSG_H */
diff --git a/drivers/net/zxdh/zxdh_np.c b/drivers/net/zxdh/zxdh_np.c
index 99a7dc11b4..1f06539263 100644
--- a/drivers/net/zxdh/zxdh_np.c
+++ b/drivers/net/zxdh/zxdh_np.c
@@ -36,6 +36,10 @@ ZXDH_SDT_TBL_DATA_T g_sdt_info[ZXDH_DEV_CHANNEL_MAX][ZXDH_DEV_SDT_ID_MAX];
 #define ZXDH_COMM_GET_BIT_MASK(_inttype_, _bitqnt_)\
 	((_inttype_)(((_bitqnt_) < 32)))
 
+#define ZXDH_COMM_UINT32_GET_BITS(_uidst_, _uisrc_, _uistartpos_, _uilen_)\
+	((_uidst_) = (((_uisrc_) >> (_uistartpos_)) & \
+	(ZXDH_COMM_GET_BIT_MASK(uint32_t, (_uilen_)))))
+
 #define ZXDH_REG_DATA_MAX      (128)
 
 #define ZXDH_COMM_CHECK_DEV_POINT(dev_id, point)\
@@ -1456,15 +1460,11 @@ zxdh_np_dtb_table_entry_write(uint32_t dev_id,
 	return rc;
 }
 
-static uint32_t
+static void
 zxdh_np_sdt_tbl_data_get(uint32_t dev_id, uint32_t sdt_no, ZXDH_SDT_TBL_DATA_T *p_sdt_data)
 {
-	uint32_t rc   = 0;
-
 	p_sdt_data->data_high32 = g_sdt_info[dev_id][sdt_no].data_high32;
 	p_sdt_data->data_low32  = g_sdt_info[dev_id][sdt_no].data_low32;
-
-	return rc;
 }
 
 int
@@ -1507,7 +1507,7 @@ zxdh_np_dtb_table_entry_delete(uint32_t dev_id,
 		pentry = delete_entries + entry_index;
 
 		sdt_no = pentry->sdt_no;
-		rc = zxdh_np_sdt_tbl_data_get(dev_id, sdt_no, &sdt_tbl);
+		zxdh_np_sdt_tbl_data_get(dev_id, sdt_no, &sdt_tbl);
 		switch (tbl_type) {
 		case ZXDH_SDT_TBLT_ERAM:
 		{
@@ -1557,3 +1557,163 @@ zxdh_np_dtb_table_entry_delete(uint32_t dev_id,
 	rte_free(p_data_buff_ex);
 	return 0;
 }
+
+static uint32_t
+zxdh_np_sdt_tbl_data_parser(uint32_t sdt_hig32, uint32_t sdt_low32, void *p_sdt_info)
+{
+	uint32_t tbl_type = 0;
+	uint32_t clutch_en = 0;
+
+	ZXDH_SDTTBL_ERAM_T *p_sdt_eram = NULL;
+	ZXDH_SDTTBL_PORTTBL_T *p_sdt_porttbl = NULL;
+
+	ZXDH_COMM_UINT32_GET_BITS(tbl_type, sdt_hig32,
+		ZXDH_SDT_H_TBL_TYPE_BT_POS, ZXDH_SDT_H_TBL_TYPE_BT_LEN);
+	ZXDH_COMM_UINT32_GET_BITS(clutch_en, sdt_low32, 0, 1);
+
+	switch (tbl_type) {
+	case ZXDH_SDT_TBLT_ERAM:
+	{
+		p_sdt_eram = (ZXDH_SDTTBL_ERAM_T *)p_sdt_info;
+		p_sdt_eram->table_type = tbl_type;
+		p_sdt_eram->eram_clutch_en = clutch_en;
+		break;
+	}
+
+	case ZXDH_SDT_TBLT_PORTTBL:
+	{
+		p_sdt_porttbl = (ZXDH_SDTTBL_PORTTBL_T *)p_sdt_info;
+		p_sdt_porttbl->table_type = tbl_type;
+		p_sdt_porttbl->porttbl_clutch_en = clutch_en;
+		break;
+	}
+	default:
+	{
+		PMD_DRV_LOG(ERR, "SDT table_type[ %d ] is invalid!", tbl_type);
+		return 1;
+	}
+	}
+
+	return 0;
+}
+
+static uint32_t
+zxdh_np_soft_sdt_tbl_get(uint32_t dev_id, uint32_t sdt_no, void *p_sdt_info)
+{
+	ZXDH_SDT_TBL_DATA_T sdt_tbl = {0};
+	uint32_t rc;
+
+	zxdh_np_sdt_tbl_data_get(dev_id, sdt_no, &sdt_tbl);
+
+	rc = zxdh_np_sdt_tbl_data_parser(sdt_tbl.data_high32, sdt_tbl.data_low32, p_sdt_info);
+	if (rc != 0)
+		PMD_DRV_LOG(ERR, "dpp sdt [%d] tbl_data_parser error.", sdt_no);
+
+	return rc;
+}
+
+static void
+zxdh_np_eram_index_cal(uint32_t eram_mode, uint32_t index,
+		uint32_t *p_row_index, uint32_t *p_col_index)
+{
+	uint32_t row_index = 0;
+	uint32_t col_index = 0;
+
+	switch (eram_mode) {
+	case ZXDH_ERAM128_TBL_128b:
+	{
+		row_index = index;
+		break;
+	}
+	case ZXDH_ERAM128_TBL_64b:
+	{
+		row_index = (index >> 1);
+		col_index = index & 0x1;
+		break;
+	}
+	case ZXDH_ERAM128_TBL_1b:
+	{
+		row_index = (index >> 7);
+		col_index = index & 0x7F;
+		break;
+	}
+	}
+	*p_row_index = row_index;
+	*p_col_index = col_index;
+}
+
+static uint32_t
+zxdh_np_dtb_eram_data_get(uint32_t dev_id, uint32_t queue_id, uint32_t sdt_no,
+		ZXDH_DTB_ERAM_ENTRY_INFO_T *p_dump_eram_entry)
+{
+	uint32_t index = p_dump_eram_entry->index;
+	uint32_t *p_data = p_dump_eram_entry->p_data;
+	ZXDH_SDTTBL_ERAM_T sdt_eram_info = {0};
+	uint32_t temp_data[4] = {0};
+	uint32_t row_index = 0;
+	uint32_t col_index = 0;
+	uint32_t rd_mode;
+	uint32_t rc;
+
+	rc = zxdh_np_soft_sdt_tbl_get(queue_id, sdt_no, &sdt_eram_info);
+	ZXDH_COMM_CHECK_DEV_RC(dev_id, rc, "dpp_soft_sdt_tbl_get");
+	rd_mode = sdt_eram_info.eram_mode;
+
+	zxdh_np_eram_index_cal(rd_mode, index, &row_index, &col_index);
+
+	switch (rd_mode) {
+	case ZXDH_ERAM128_TBL_128b:
+	{
+		memcpy(p_data, temp_data, (128 / 8));
+		break;
+	}
+	case ZXDH_ERAM128_TBL_64b:
+	{
+		memcpy(p_data, temp_data + ((1 - col_index) << 1), (64 / 8));
+		break;
+	}
+	case ZXDH_ERAM128_TBL_1b:
+	{
+		ZXDH_COMM_UINT32_GET_BITS(p_data[0], *(temp_data +
+			(3 - col_index / 32)), (col_index % 32), 1);
+		break;
+	}
+	}
+	return rc;
+}
+
+int
+zxdh_np_dtb_table_entry_get(uint32_t dev_id,
+		 uint32_t queue_id,
+		 ZXDH_DTB_USER_ENTRY_T *get_entry,
+		 uint32_t srh_mode)
+{
+	ZXDH_SDT_TBL_DATA_T sdt_tbl = {0};
+	uint32_t tbl_type = 0;
+	uint32_t rc;
+	uint32_t sdt_no;
+
+	sdt_no = get_entry->sdt_no;
+	zxdh_np_sdt_tbl_data_get(srh_mode, sdt_no, &sdt_tbl);
+
+	ZXDH_COMM_UINT32_GET_BITS(tbl_type, sdt_tbl.data_high32,
+			ZXDH_SDT_H_TBL_TYPE_BT_POS, ZXDH_SDT_H_TBL_TYPE_BT_LEN);
+	switch (tbl_type) {
+	case ZXDH_SDT_TBLT_ERAM:
+	{
+		rc = zxdh_np_dtb_eram_data_get(dev_id,
+				queue_id,
+				sdt_no,
+				(ZXDH_DTB_ERAM_ENTRY_INFO_T *)get_entry->p_entry_data);
+		ZXDH_COMM_CHECK_RC_NO_ASSERT(rc, "dpp_dtb_eram_data_get");
+		break;
+	}
+	default:
+	{
+		PMD_DRV_LOG(ERR, "SDT table_type[ %d ] is invalid!", tbl_type);
+		return 1;
+	}
+	}
+
+	return 0;
+}
diff --git a/drivers/net/zxdh/zxdh_np.h b/drivers/net/zxdh/zxdh_np.h
index 42a652dd6b..ac3931ba65 100644
--- a/drivers/net/zxdh/zxdh_np.h
+++ b/drivers/net/zxdh/zxdh_np.h
@@ -514,11 +514,31 @@ typedef struct zxdh_sdt_tbl_data_t {
 	uint32_t data_low32;
 } ZXDH_SDT_TBL_DATA_T;
 
+typedef struct zxdh_sdt_tbl_etcam_t {
+	uint32_t table_type;
+	uint32_t etcam_id;
+	uint32_t etcam_key_mode;
+	uint32_t etcam_table_id;
+	uint32_t no_as_rsp_mode;
+	uint32_t as_en;
+	uint32_t as_eram_baddr;
+	uint32_t as_rsp_mode;
+	uint32_t etcam_table_depth;
+	uint32_t etcam_clutch_en;
+} ZXDH_SDTTBL_ETCAM_T;
+
+typedef struct zxdh_sdt_tbl_porttbl_t {
+	uint32_t table_type;
+	uint32_t porttbl_clutch_en;
+} ZXDH_SDTTBL_PORTTBL_T;
+
 int zxdh_np_host_init(uint32_t dev_id, ZXDH_DEV_INIT_CTRL_T *p_dev_init_ctrl);
 int zxdh_np_online_uninit(uint32_t dev_id, char *port_name, uint32_t queue_id);
 int zxdh_np_dtb_table_entry_write(uint32_t dev_id, uint32_t queue_id,
 			uint32_t entrynum, ZXDH_DTB_USER_ENTRY_T *down_entries);
 int zxdh_np_dtb_table_entry_delete(uint32_t dev_id, uint32_t queue_id,
 			 uint32_t entrynum, ZXDH_DTB_USER_ENTRY_T *delete_entries);
+int zxdh_np_dtb_table_entry_get(uint32_t dev_id, uint32_t queue_id,
+			ZXDH_DTB_USER_ENTRY_T *get_entry, uint32_t srh_mode);
 
 #endif /* ZXDH_NP_H */
diff --git a/drivers/net/zxdh/zxdh_tables.c b/drivers/net/zxdh/zxdh_tables.c
index 9fd184e612..db0132ce3f 100644
--- a/drivers/net/zxdh/zxdh_tables.c
+++ b/drivers/net/zxdh/zxdh_tables.c
@@ -134,3 +134,18 @@ int zxdh_panel_table_init(struct rte_eth_dev *dev)
 
 	return ret;
 }
+
+int
+zxdh_get_port_attr(uint16_t vfid, struct zxdh_port_attr_table *port_attr)
+{
+	int ret;
+
+	ZXDH_DTB_ERAM_ENTRY_INFO_T entry = {vfid, (uint32_t *)port_attr};
+	ZXDH_DTB_USER_ENTRY_T user_entry_get = {ZXDH_SDT_VPORT_ATT_TABLE, &entry};
+
+	ret = zxdh_np_dtb_table_entry_get(ZXDH_DEVICE_NO, g_dtb_data.queueid, &user_entry_get, 1);
+	if (ret != 0)
+		PMD_DRV_LOG(ERR, "get port_attr vfid:%d failed, ret:%d ", vfid, ret);
+
+	return ret;
+}
diff --git a/drivers/net/zxdh/zxdh_tables.h b/drivers/net/zxdh/zxdh_tables.h
index 5e9b36faee..8676a8b375 100644
--- a/drivers/net/zxdh/zxdh_tables.h
+++ b/drivers/net/zxdh/zxdh_tables.h
@@ -7,9 +7,10 @@
 
 #include <stdint.h>
 
-extern struct zxdh_dtb_shared_data g_dtb_data;
-
 #define ZXDH_DEVICE_NO                    0
+#define ZXDH_PORT_ATTR_IS_UP_FLAG         35
+
+extern struct zxdh_dtb_shared_data g_dtb_data;
 
 struct zxdh_port_attr_table {
 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
@@ -145,5 +146,6 @@ int zxdh_port_attr_init(struct rte_eth_dev *dev);
 int zxdh_panel_table_init(struct rte_eth_dev *dev);
 int zxdh_set_port_attr(uint16_t vfid, struct zxdh_port_attr_table *port_attr);
 int zxdh_port_attr_uninit(struct rte_eth_dev *dev);
+int zxdh_get_port_attr(uint16_t vfid, struct zxdh_port_attr_table *port_attr);
 
 #endif /* ZXDH_TABLES_H */
-- 
2.27.0

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