[dpdk-dev] [PATCH v4 2/3] net/hns3: support getting Tx and Rx queue information

[Wei Hu (Xavier)]

From: Huisong Li <lihuisong at huawei.com>

This patch adds support for querying Rx/Tx queue information.

Signed-off-by: Huisong Li <lihuisong at huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei at huawei.com>
---
v3 -> v4:
	remove unused variable ‘hw’ in hns3_rxq_info_get
	and hns3_rxq_info_get function.
---
 drivers/net/hns3/hns3_ethdev.c    |  2 ++
 drivers/net/hns3/hns3_ethdev_vf.c |  2 ++
 drivers/net/hns3/hns3_rxtx.c      | 31 +++++++++++++++++++++++++++++++
 drivers/net/hns3/hns3_rxtx.h      |  5 ++++-
 4 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index bcbbd7e81..fab1914c3 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -5422,6 +5422,8 @@ static const struct eth_dev_ops hns3_eth_dev_ops = {
 	.tx_queue_release       = hns3_dev_tx_queue_release,
 	.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,
 	.dev_configure          = hns3_dev_configure,
 	.flow_ctrl_get          = hns3_flow_ctrl_get,
 	.flow_ctrl_set          = hns3_flow_ctrl_set,
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index 3156ed7f5..60b576b02 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -2482,6 +2482,8 @@ static const struct eth_dev_ops hns3vf_eth_dev_ops = {
 	.tx_queue_release   = hns3_dev_tx_queue_release,
 	.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,
 	.dev_configure      = hns3vf_dev_configure,
 	.mac_addr_add       = hns3vf_add_mac_addr,
 	.mac_addr_remove    = hns3vf_remove_mac_addr,
diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
index 3e5e32e38..fc1a256f3 100644
--- a/drivers/net/hns3/hns3_rxtx.c
+++ b/drivers/net/hns3/hns3_rxtx.c
@@ -2820,3 +2820,34 @@ void hns3_set_rxtx_function(struct rte_eth_dev *eth_dev)
 		eth_dev->tx_pkt_prepare = hns3_dummy_rxtx_burst;
 	}
 }
+
+void
+hns3_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+		  struct rte_eth_rxq_info *qinfo)
+{
+	struct hns3_rx_queue *rxq = dev->data->rx_queues[queue_id];
+
+	qinfo->mp = rxq->mb_pool;
+	qinfo->nb_desc = rxq->nb_rx_desc;
+	qinfo->scattered_rx = dev->data->scattered_rx;
+
+	/*
+	 * If there are no available Rx buffer descriptors, incoming packets
+	 * are always dropped by hardware based on hns3 network engine.
+	 */
+	qinfo->conf.rx_drop_en = 1;
+	qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads;
+	qinfo->conf.rx_free_thresh = rxq->rx_free_thresh;
+	qinfo->conf.rx_deferred_start = rxq->rx_deferred_start;
+}
+
+void
+hns3_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+		  struct rte_eth_txq_info *qinfo)
+{
+	struct hns3_tx_queue *txq = dev->data->tx_queues[queue_id];
+
+	qinfo->nb_desc = txq->nb_tx_desc;
+	qinfo->conf.offloads = dev->data->dev_conf.txmode.offloads;
+	qinfo->conf.tx_deferred_start = txq->tx_deferred_start;
+}
diff --git a/drivers/net/hns3/hns3_rxtx.h b/drivers/net/hns3/hns3_rxtx.h
index 0d20a27c8..f1fb3b56a 100644
--- a/drivers/net/hns3/hns3_rxtx.h
+++ b/drivers/net/hns3/hns3_rxtx.h
@@ -402,5 +402,8 @@ int hns3_set_fake_rx_or_tx_queues(struct rte_eth_dev *dev, uint16_t nb_rx_q,
 int hns3_config_gro(struct hns3_hw *hw, bool en);
 int hns3_restore_gro_conf(struct hns3_hw *hw);
 void hns3_update_all_queues_pvid_state(struct hns3_hw *hw);
-
+void hns3_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+		       struct rte_eth_rxq_info *qinfo);
+void hns3_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+		       struct rte_eth_txq_info *qinfo);
 #endif /* _HNS3_RXTX_H_ */
-- 
2.27.0