[v1,3/3] net/axgbe: support for rxq and txq descriptor status API
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Commit Message
From: Amaranath Somalapuram <asomalap@amd.com>
Adding API axgbe_dev_rx_descriptor_status, axgbe_dev_tx_descriptor_status
Signed-off-by: Amaranath Somalapuram <asomalap@amd.com>
---
drivers/net/axgbe/axgbe_ethdev.c | 2 ++
drivers/net/axgbe/axgbe_rxtx.c | 46 ++++++++++++++++++++++++++++++++
drivers/net/axgbe/axgbe_rxtx.h | 2 ++
3 files changed, 50 insertions(+)
@@ -178,6 +178,8 @@ static const struct eth_dev_ops axgbe_eth_dev_ops = {
.rxq_info_get = axgbe_rxq_info_get,
.txq_info_get = axgbe_txq_info_get,
.dev_supported_ptypes_get = axgbe_dev_supported_ptypes_get,
+ .rx_descriptor_status = axgbe_dev_rx_descriptor_status,
+ .tx_descriptor_status = axgbe_dev_tx_descriptor_status,
};
static int axgbe_phy_reset(struct axgbe_port *pdata)
@@ -673,3 +673,49 @@ void axgbe_dev_clear_queues(struct rte_eth_dev *dev)
}
}
}
+
+int
+axgbe_dev_rx_descriptor_status(void *rx_queue, uint16_t offset)
+{
+ struct axgbe_rx_queue *rxq = rx_queue;
+ volatile union axgbe_rx_desc *desc;
+ uint16_t idx;
+
+
+ if (unlikely(offset >= rxq->nb_desc))
+ return -EINVAL;
+
+ if (offset >= rxq->nb_desc - rxq->dirty)
+ return RTE_ETH_RX_DESC_UNAVAIL;
+
+ idx = AXGBE_GET_DESC_IDX(rxq, rxq->cur);
+ desc = &rxq->desc[idx + offset];
+
+ if (!AXGMAC_GET_BITS_LE(desc->write.desc3, RX_NORMAL_DESC3, OWN))
+ return RTE_ETH_RX_DESC_DONE;
+
+ return RTE_ETH_RX_DESC_AVAIL;
+}
+
+int
+axgbe_dev_tx_descriptor_status(void *tx_queue, uint16_t offset)
+{
+ struct axgbe_tx_queue *txq = tx_queue;
+ volatile struct axgbe_tx_desc *desc;
+ uint16_t idx;
+
+
+ if (unlikely(offset >= txq->nb_desc))
+ return -EINVAL;
+
+ if (offset >= txq->nb_desc - txq->dirty)
+ return RTE_ETH_TX_DESC_UNAVAIL;
+
+ idx = AXGBE_GET_DESC_IDX(txq, txq->dirty + txq->free_batch_cnt - 1);
+ desc = &txq->desc[idx + offset];
+
+ if (!AXGMAC_GET_BITS_LE(desc->desc3, TX_NORMAL_DESC3, OWN))
+ return RTE_ETH_TX_DESC_DONE;
+
+ return RTE_ETH_TX_DESC_FULL;
+}
@@ -183,5 +183,7 @@ uint16_t axgbe_recv_pkts_threshold_refresh(void *rx_queue,
struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
void axgbe_dev_clear_queues(struct rte_eth_dev *dev);
+int axgbe_dev_rx_descriptor_status(void *rx_queue, uint16_t offset);
+int axgbe_dev_tx_descriptor_status(void *tx_queue, uint16_t offset);
#endif /* _AXGBE_RXTX_H_ */