[PATCH v3 15/15] net/zxdh: mtu update ops implementations

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

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mtu update ops implementations.

Signed-off-by: Junlong Wang <wang.junlong1@zte.com.cn>
---
 doc/guides/nics/features/zxdh.ini  |  1 +
 doc/guides/nics/zxdh.rst           |  2 +
 drivers/net/zxdh/zxdh_ethdev.c     |  5 ++
 drivers/net/zxdh/zxdh_ethdev_ops.c | 78 ++++++++++++++++++++++++++++++
 drivers/net/zxdh/zxdh_ethdev_ops.h |  3 ++
 drivers/net/zxdh/zxdh_tables.c     | 42 ++++++++++++++++
 drivers/net/zxdh/zxdh_tables.h     |  4 ++
 7 files changed, 135 insertions(+)

diff --git a/doc/guides/nics/features/zxdh.ini b/doc/guides/nics/features/zxdh.ini
index 98c141cf95..3561e31666 100644
--- a/doc/guides/nics/features/zxdh.ini
+++ b/doc/guides/nics/features/zxdh.ini
@@ -24,3 +24,4 @@ RSS reta update      = Y
 Inner RSS            = Y
 Basic stats          = Y
 Stats per queue      = Y
+MTU update           = Y
diff --git a/doc/guides/nics/zxdh.rst b/doc/guides/nics/zxdh.rst
index c8a52b587c..58e0c49a2e 100644
--- a/doc/guides/nics/zxdh.rst
+++ b/doc/guides/nics/zxdh.rst
@@ -33,6 +33,8 @@ Features of the ZXDH PMD are:
 - QINQ stripping and inserting
 - Receive Side Scaling (RSS)
 - Port hardware statistics
+- MTU update
+- Jumbo frames
 
 
 Driver compilation and testing
diff --git a/drivers/net/zxdh/zxdh_ethdev.c b/drivers/net/zxdh/zxdh_ethdev.c
index 0326d143ec..147b66b998 100644
--- a/drivers/net/zxdh/zxdh_ethdev.c
+++ b/drivers/net/zxdh/zxdh_ethdev.c
@@ -63,6 +63,10 @@ zxdh_dev_infos_get(struct rte_eth_dev *dev,
 	dev_info->reta_size = RTE_ETH_RSS_RETA_SIZE_256;
 	dev_info->flow_type_rss_offloads = ZXDH_RSS_HF;
 
+	dev_info->max_mtu = ZXDH_MAX_RX_PKTLEN - RTE_ETHER_HDR_LEN -
+		RTE_VLAN_HLEN - ZXDH_DL_NET_HDR_SIZE;
+	dev_info->min_mtu = ZXDH_ETHER_MIN_MTU;
+
 	dev_info->tx_offload_capa = (RTE_ETH_TX_OFFLOAD_MULTI_SEGS);
 	dev_info->tx_offload_capa |= (RTE_ETH_TX_OFFLOAD_TCP_TSO |
 					RTE_ETH_TX_OFFLOAD_UDP_TSO);
@@ -1152,6 +1156,7 @@ static const struct eth_dev_ops zxdh_eth_dev_ops = {
 	.rss_hash_conf_get		 = zxdh_rss_hash_conf_get,
 	.stats_get				 = zxdh_dev_stats_get,
 	.stats_reset			 = zxdh_dev_stats_reset,
+	.mtu_set				 = zxdh_dev_mtu_set,
 };
 
 static int32_t
diff --git a/drivers/net/zxdh/zxdh_ethdev_ops.c b/drivers/net/zxdh/zxdh_ethdev_ops.c
index 2377ff202d..77df006fec 100644
--- a/drivers/net/zxdh/zxdh_ethdev_ops.c
+++ b/drivers/net/zxdh/zxdh_ethdev_ops.c
@@ -13,6 +13,7 @@
 #include "zxdh_logs.h"
 #include "zxdh_rxtx.h"
 #include "zxdh_np.h"
+#include "zxdh_queue.h"
 
 #define ZXDH_VLAN_FILTER_GROUPS       64
 #define ZXDH_INVALID_LOGIC_QID        0xFFFFU
@@ -1515,3 +1516,80 @@ int zxdh_dev_stats_reset(struct rte_eth_dev *dev)
 
 	return 0;
 }
+
+int zxdh_dev_mtu_set(struct rte_eth_dev *dev, uint16_t new_mtu)
+{
+	struct zxdh_hw *hw = dev->data->dev_private;
+	struct zxdh_panel_table panel = {0};
+	struct zxdh_port_attr_table vport_att = {0};
+	uint16_t vfid = zxdh_vport_to_vfid(hw->vport);
+	uint16_t max_mtu = 0;
+	int ret = 0;
+
+	max_mtu = ZXDH_MAX_RX_PKTLEN - RTE_ETHER_HDR_LEN - RTE_VLAN_HLEN - ZXDH_DL_NET_HDR_SIZE;
+	if (new_mtu < ZXDH_ETHER_MIN_MTU || new_mtu > max_mtu) {
+		PMD_DRV_LOG(ERR, "invalid mtu:%d, range[%d, %d]",
+				new_mtu, ZXDH_ETHER_MIN_MTU, max_mtu);
+		return -EINVAL;
+	}
+
+	if (dev->data->mtu == new_mtu)
+		return 0;
+
+	if (hw->is_pf) {
+		memset(&panel, 0, sizeof(panel));
+		memset(&vport_att, 0, sizeof(vport_att));
+		ret = zxdh_get_panel_attr(dev, &panel);
+		if (ret != 0) {
+			PMD_DRV_LOG(ERR, "get_panel_attr ret:%d", ret);
+			return -1;
+		}
+
+		ret = zxdh_get_port_attr(vfid, &vport_att);
+		if (ret != 0) {
+			PMD_DRV_LOG(ERR,
+				"[vfid:%d] zxdh_dev_mtu, get vport dpp_ret:%d", vfid, ret);
+			return -1;
+		}
+
+		panel.mtu = new_mtu;
+		panel.mtu_enable = 1;
+		ret = zxdh_set_panel_attr(dev, &panel);
+		if (ret != 0) {
+			PMD_DRV_LOG(ERR, "set zxdh_dev_mtu failed, ret:%u", ret);
+			return ret;
+		}
+
+		vport_att.mtu_enable = 1;
+		vport_att.mtu = new_mtu;
+		ret = zxdh_set_port_attr(vfid, &vport_att);
+		if (ret != 0) {
+			PMD_DRV_LOG(ERR,
+				"[vfid:%d] zxdh_dev_mtu, set vport dpp_ret:%d", vfid, ret);
+			return ret;
+		}
+	} else {
+		struct zxdh_msg_info msg_info = {0};
+		struct zxdh_port_attr_set_msg *attr_msg = &msg_info.data.port_attr_msg;
+
+		zxdh_msg_head_build(hw, ZXDH_PORT_ATTRS_SET, &msg_info);
+		attr_msg->mode = ZXDH_PORT_MTU_EN_FLAG;
+		attr_msg->value = 1;
+		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_MTU_EN_FLAG);
+			return ret;
+		}
+		attr_msg->mode = ZXDH_PORT_MTU_FLAG;
+		attr_msg->value = new_mtu;
+		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_MTU_FLAG);
+			return ret;
+		}
+	}
+	dev->data->mtu = new_mtu;
+	return 0;
+}
diff --git a/drivers/net/zxdh/zxdh_ethdev_ops.h b/drivers/net/zxdh/zxdh_ethdev_ops.h
index f35378e691..fac6cbd5e8 100644
--- a/drivers/net/zxdh/zxdh_ethdev_ops.h
+++ b/drivers/net/zxdh/zxdh_ethdev_ops.h
@@ -26,6 +26,8 @@
 #define ZXDH_HF_MAC_VLAN_ETH  ZXDH_ETH_RSS_L2
 #define ZXDH_RSS_HF  ((ZXDH_HF_MAC_VLAN_ETH | ZXDH_HF_F3_ETH | ZXDH_HF_F5_ETH))
 
+#define ZXDH_ETHER_MIN_MTU     68
+
 struct zxdh_hw_vqm_stats {
 	uint64_t rx_total;
 	uint64_t tx_total;
@@ -73,5 +75,6 @@ int zxdh_rss_hash_conf_get(struct rte_eth_dev *dev, struct rte_eth_rss_conf *rss
 int zxdh_rss_configure(struct rte_eth_dev *dev);
 int zxdh_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
 int zxdh_dev_stats_reset(struct rte_eth_dev *dev);
+int zxdh_dev_mtu_set(struct rte_eth_dev *dev, uint16_t new_mtu);
 
 #endif /* ZXDH_ETHDEV_OPS_H */
diff --git a/drivers/net/zxdh/zxdh_tables.c b/drivers/net/zxdh/zxdh_tables.c
index af148a974e..c1b693a613 100644
--- a/drivers/net/zxdh/zxdh_tables.c
+++ b/drivers/net/zxdh/zxdh_tables.c
@@ -150,6 +150,48 @@ int zxdh_panel_table_init(struct rte_eth_dev *dev)
 	return ret;
 }
 
+int zxdh_get_panel_attr(struct rte_eth_dev *dev, struct zxdh_panel_table *panel_attr)
+{
+	struct zxdh_hw *hw = dev->data->dev_private;
+	uint8_t index_phy_port = hw->phyport;
+
+	ZXDH_DTB_ERAM_ENTRY_INFO_T panel_entry = {
+		.index = index_phy_port,
+		.p_data = (uint32_t *)panel_attr
+	};
+	ZXDH_DTB_USER_ENTRY_T entry = {
+		.sdt_no = ZXDH_SDT_PANEL_ATT_TABLE,
+		.p_entry_data = (void *)&panel_entry
+	};
+	int ret = zxdh_np_dtb_table_entry_get(ZXDH_DEVICE_NO, g_dtb_data.queueid, &entry, 1);
+
+	if (ret != 0)
+		PMD_DRV_LOG(ERR, "get panel table failed");
+
+	return ret;
+}
+
+int zxdh_set_panel_attr(struct rte_eth_dev *dev, struct zxdh_panel_table *panel_attr)
+{
+	struct zxdh_hw *hw = dev->data->dev_private;
+	uint8_t index_phy_port = hw->phyport;
+
+	ZXDH_DTB_ERAM_ENTRY_INFO_T panel_entry = {
+		.index = index_phy_port,
+		.p_data = (uint32_t *)panel_attr
+	};
+	ZXDH_DTB_USER_ENTRY_T entry = {
+		.sdt_no = ZXDH_SDT_PANEL_ATT_TABLE,
+		.p_entry_data = (void *)&panel_entry
+	};
+	int ret = zxdh_np_dtb_table_entry_write(ZXDH_DEVICE_NO, g_dtb_data.queueid, 1, &entry);
+
+	if (ret)
+		PMD_DRV_LOG(ERR, "Insert panel table failed");
+
+	return ret;
+}
+
 int
 zxdh_get_port_attr(uint16_t vfid, struct zxdh_port_attr_table *port_attr)
 {
diff --git a/drivers/net/zxdh/zxdh_tables.h b/drivers/net/zxdh/zxdh_tables.h
index a77ec46d84..e2bdb01688 100644
--- a/drivers/net/zxdh/zxdh_tables.h
+++ b/drivers/net/zxdh/zxdh_tables.h
@@ -8,8 +8,10 @@
 #include <stdint.h>
 
 #define ZXDH_DEVICE_NO                    0
+#define ZXDH_PORT_MTU_FLAG                9
 #define ZXDH_PORT_BASE_QID_FLAG           10
 #define ZXDH_PORT_ATTR_IS_UP_FLAG         35
+#define ZXDH_PORT_MTU_EN_FLAG             42
 
 #define ZXDH_MTU_STATS_EGRESS_BASE        0x8481
 #define ZXDH_MTU_STATS_INGRESS_BASE       0x8981
@@ -223,5 +225,7 @@ int zxdh_vlan_filter_table_init(struct rte_eth_dev *dev);
 int zxdh_vlan_filter_table_set(uint16_t vport, uint16_t vlan_id, uint8_t enable);
 int zxdh_rss_table_set(uint16_t vport, struct zxdh_rss_reta *rss_reta);
 int zxdh_rss_table_get(uint16_t vport, struct zxdh_rss_reta *rss_reta);
+int zxdh_get_panel_attr(struct rte_eth_dev *dev, struct zxdh_panel_table *panel_attr);
+int zxdh_set_panel_attr(struct rte_eth_dev *dev, struct zxdh_panel_table *panel_attr);
 
 #endif /* ZXDH_TABLES_H */
-- 
2.27.0

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