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net/atlantic: add Rx/Tx descriptors information

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Add support for Rx/Tx descriptors status information.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
This commit is contained in:
Pavel Belous 2018-10-12 11:09:34 +00:00 committed by Ferruh Yigit
parent fbe059e872
commit 391de3291d
4 changed files with 123 additions and 0 deletions
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2
doc/guides/nics/features/atlantic.ini
View File

@ -13,6 +13,8 @@ CRC offload = Y
L3 checksum offload = Y
L4 checksum offload = Y
Packet type parsing = Y
Rx descriptor status = Y
Tx descriptor status = Y
Basic stats = Y
Extended stats = Y
Stats per queue = Y

7
drivers/net/atlantic/atl_ethdev.c
View File

@ -191,6 +191,13 @@ 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_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,
};
static inline int32_t

11
drivers/net/atlantic/atl_ethdev.h
View File

@ -52,6 +52,11 @@ 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_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 +75,12 @@ 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);

103
drivers/net/atlantic/atl_rxtx.c
View File

@ -651,6 +651,109 @@ 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_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)
{