[dpdk-dev] [PATCH v4 13/22] net/atlantic: support for RX/TX descriptors information
Igor Russkikh
Igor.Russkikh at aquantia.com
Tue Oct 9 11:31:51 CEST 2018
From: Pavel Belous <Pavel.Belous at aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh at aquantia.com>
Signed-off-by: Pavel Belous <pavel.belous at aquantia.com>
Signed-off-by: Pavel Belous <Pavel.Belous at aquantia.com>
---
drivers/net/atlantic/atl_ethdev.c | 8 +++
drivers/net/atlantic/atl_ethdev.h | 12 ++++
drivers/net/atlantic/atl_rxtx.c | 125 ++++++++++++++++++++++++++++++++++++++
3 files changed, 145 insertions(+)
diff --git a/drivers/net/atlantic/atl_ethdev.c b/drivers/net/atlantic/atl_ethdev.c
index 30a800da0209..afae232cb22c 100644
--- a/drivers/net/atlantic/atl_ethdev.c
+++ b/drivers/net/atlantic/atl_ethdev.c
@@ -198,6 +198,14 @@ static const struct eth_dev_ops atl_eth_dev_ops = {
.rx_queue_intr_enable = atl_dev_rx_queue_intr_enable,
.rx_queue_intr_disable = atl_dev_rx_queue_intr_disable,
+
+ .rx_queue_count = atl_rx_queue_count,
+ .rx_descriptor_done = atl_dev_rx_descriptor_done,
+ .rx_descriptor_status = atl_dev_rx_descriptor_status,
+ .tx_descriptor_status = atl_dev_tx_descriptor_status,
+
+ .rxq_info_get = atl_rxq_info_get,
+ .txq_info_get = atl_txq_info_get,
};
diff --git a/drivers/net/atlantic/atl_ethdev.h b/drivers/net/atlantic/atl_ethdev.h
index dc48c134b7b8..dbb42140816b 100644
--- a/drivers/net/atlantic/atl_ethdev.h
+++ b/drivers/net/atlantic/atl_ethdev.h
@@ -52,6 +52,12 @@ int atl_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
uint16_t nb_tx_desc, unsigned int socket_id,
const struct rte_eth_txconf *tx_conf);
+uint32_t atl_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id);
+
+int atl_dev_rx_descriptor_done(void *rx_queue, uint16_t offset);
+int atl_dev_rx_descriptor_status(void *rx_queue, uint16_t offset);
+int atl_dev_tx_descriptor_status(void *tx_queue, uint16_t offset);
+
int atl_dev_rx_queue_intr_enable(struct rte_eth_dev *eth_dev,
uint16_t queue_id);
int atl_dev_rx_queue_intr_disable(struct rte_eth_dev *eth_dev,
@@ -70,6 +76,12 @@ int atl_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id);
int atl_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id);
int atl_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id);
+void atl_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_rxq_info *qinfo);
+
+void atl_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_txq_info *qinfo);
+
uint16_t atl_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
diff --git a/drivers/net/atlantic/atl_rxtx.c b/drivers/net/atlantic/atl_rxtx.c
index e9be6d85e647..88801822262f 100644
--- a/drivers/net/atlantic/atl_rxtx.c
+++ b/drivers/net/atlantic/atl_rxtx.c
@@ -632,6 +632,131 @@ atl_stop_queues(struct rte_eth_dev *dev)
return 0;
}
+void
+atl_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_rxq_info *qinfo)
+{
+ struct atl_rx_queue *rxq;
+
+ PMD_INIT_FUNC_TRACE();
+
+ rxq = dev->data->rx_queues[queue_id];
+
+ qinfo->mp = rxq->mb_pool;
+ qinfo->scattered_rx = dev->data->scattered_rx;
+ qinfo->nb_desc = rxq->nb_rx_desc;
+}
+
+void
+atl_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
+ struct rte_eth_txq_info *qinfo)
+{
+ struct atl_tx_queue *txq;
+
+ PMD_INIT_FUNC_TRACE();
+
+ txq = dev->data->tx_queues[queue_id];
+
+ qinfo->nb_desc = txq->nb_tx_desc;
+}
+
+/* Return Rx queue avail count */
+
+uint32_t
+atl_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+ struct atl_rx_queue *rxq;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (rx_queue_id >= dev->data->nb_rx_queues) {
+ PMD_DRV_LOG(ERR, "Invalid RX queue id=%d", rx_queue_id);
+ return 0;
+ }
+
+ rxq = dev->data->rx_queues[rx_queue_id];
+
+ if (rxq == NULL)
+ return 0;
+
+ return rxq->nb_rx_desc - rxq->nb_rx_hold;
+}
+
+int
+atl_dev_rx_descriptor_done(void *rx_queue, uint16_t offset)
+{
+ struct atl_rx_queue *rxq = rx_queue;
+ struct hw_atl_rxd_wb_s *rxd;
+ uint32_t idx;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (unlikely(offset >= rxq->nb_rx_desc))
+ return 0;
+
+ idx = rxq->rx_tail + offset;
+
+ if (idx >= rxq->nb_rx_desc)
+ idx -= rxq->nb_rx_desc;
+
+ rxd = (struct hw_atl_rxd_wb_s *)&rxq->hw_ring[idx];
+
+ return rxd->dd;
+}
+
+int
+atl_dev_rx_descriptor_status(void *rx_queue, uint16_t offset)
+{
+ struct atl_rx_queue *rxq = rx_queue;
+ struct hw_atl_rxd_wb_s *rxd;
+ uint32_t idx;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (unlikely(offset >= rxq->nb_rx_desc))
+ return -EINVAL;
+
+ if (offset >= rxq->nb_rx_desc - rxq->nb_rx_hold)
+ return RTE_ETH_RX_DESC_UNAVAIL;
+
+ idx = rxq->rx_tail + offset;
+
+ if (idx >= rxq->nb_rx_desc)
+ idx -= rxq->nb_rx_desc;
+
+ rxd = (struct hw_atl_rxd_wb_s *)&rxq->hw_ring[idx];
+
+ if (rxd->dd)
+ return RTE_ETH_RX_DESC_DONE;
+
+ return RTE_ETH_RX_DESC_AVAIL;
+}
+
+int
+atl_dev_tx_descriptor_status(void *tx_queue, uint16_t offset)
+{
+ struct atl_tx_queue *txq = tx_queue;
+ struct hw_atl_txd_s *txd;
+ uint32_t idx;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (unlikely(offset >= txq->nb_tx_desc))
+ return -EINVAL;
+
+ idx = txq->tx_tail + offset;
+
+ if (idx >= txq->nb_tx_desc)
+ idx -= txq->nb_tx_desc;
+
+ txd = &txq->hw_ring[idx];
+
+ if (txd->dd)
+ return RTE_ETH_TX_DESC_DONE;
+
+ return RTE_ETH_TX_DESC_FULL;
+}
+
static int
atl_rx_enable_intr(struct rte_eth_dev *dev, uint16_t queue_id, bool enable)
{
--
2.7.4
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