[dpdk-dev] [PATCH v2 1/4] net/netvsc: support per-queue info requests

[Stephen Hemminger <stephen@networkplumber.org>]

There is not a lot of info here from this driver.
But worth supporting these additional info queries.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/netvsc/hn_ethdev.c |  2 ++
 drivers/net/netvsc/hn_rxtx.c   | 20 ++++++++++++++++++++
 drivers/net/netvsc/hn_var.h    |  2 ++
 3 files changed, 24 insertions(+)

diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c
index 55b8a63804a9..b890fa3befa8 100644
--- a/drivers/net/netvsc/hn_ethdev.c
+++ b/drivers/net/netvsc/hn_ethdev.c
@@ -860,6 +860,8 @@ static const struct eth_dev_ops hn_eth_dev_ops = {
 	.dev_stop		= hn_dev_stop,
 	.dev_close		= hn_dev_close,
 	.dev_infos_get		= hn_dev_info_get,
+	.txq_info_get		= hn_dev_tx_queue_info,
+	.rxq_info_get		= hn_dev_rx_queue_info,
 	.dev_supported_ptypes_get = hn_vf_supported_ptypes,
 	.promiscuous_enable     = hn_dev_promiscuous_enable,
 	.promiscuous_disable    = hn_dev_promiscuous_disable,
diff --git a/drivers/net/netvsc/hn_rxtx.c b/drivers/net/netvsc/hn_rxtx.c
index 31fae5597598..668f48fcbf15 100644
--- a/drivers/net/netvsc/hn_rxtx.c
+++ b/drivers/net/netvsc/hn_rxtx.c
@@ -319,6 +319,15 @@ hn_dev_tx_queue_setup(struct rte_eth_dev *dev,
 	return err;
 }
 
+void
+hn_dev_tx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id,
+		     struct rte_eth_txq_info *qinfo)
+{
+	struct hn_tx_queue *txq = dev->data->tx_queues[queue_id];
+
+	qinfo->nb_desc = txq->txdesc_pool->size;
+	qinfo->conf.offloads = dev->data->dev_conf.txmode.offloads;
+}
 
 static struct hn_txdesc *hn_txd_get(struct hn_tx_queue *txq)
 {
@@ -859,6 +868,17 @@ struct hn_rx_queue *hn_rx_queue_alloc(struct hn_data *hv,
 	return rxq;
 }
 
+void
+hn_dev_rx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id,
+		     struct rte_eth_rxq_info *qinfo)
+{
+	struct hn_rx_queue *rxq = dev->data->rx_queues[queue_id];
+
+	qinfo->mp = rxq->mb_pool;
+	qinfo->nb_desc = rxq->rx_ring->size;
+	qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads;
+}
+
 int
 hn_dev_rx_queue_setup(struct rte_eth_dev *dev,
 		      uint16_t queue_idx, uint16_t nb_desc,
diff --git a/drivers/net/netvsc/hn_var.h b/drivers/net/netvsc/hn_var.h
index d1d38b459601..93168d2e0102 100644
--- a/drivers/net/netvsc/hn_var.h
+++ b/drivers/net/netvsc/hn_var.h
@@ -178,6 +178,8 @@ int	hn_dev_rx_queue_setup(struct rte_eth_dev *dev,
 			      unsigned int socket_id,
 			      const struct rte_eth_rxconf *rx_conf,
 			      struct rte_mempool *mp);
+void	hn_dev_rx_queue_info(struct rte_eth_dev *dev, uint16_t queue_id,
+			     struct rte_eth_rxq_info *qinfo);
 void	hn_dev_rx_queue_release(void *arg);
 void	hn_dev_free_queues(struct rte_eth_dev *dev);
 
-- 
2.20.1