net/mlx5: add C++ include guard to public header

[dpdk.git] / drivers / net / cnxk / cnxk_ethdev_ops.c

diff --git a/drivers/net/cnxk/cnxk_ethdev_ops.c b/drivers/net/cnxk/cnxk_ethdev_ops.c
index 34e4809..f20f201 100644 (file)
--- a/drivers/net/cnxk/cnxk_ethdev_ops.c
+++ b/drivers/net/cnxk/cnxk_ethdev_ops.c
@@ -695,6 +695,66 @@ cnxk_nix_txq_info_get(struct rte_eth_dev *eth_dev, uint16_t qid,
        memcpy(&qinfo->conf, &txq_sp->qconf.conf.tx, sizeof(qinfo->conf));
 }
 
+uint32_t
+cnxk_nix_rx_queue_count(void *rxq)
+{
+       struct cnxk_eth_rxq_sp *rxq_sp = cnxk_eth_rxq_to_sp(rxq);
+       struct roc_nix *nix = &rxq_sp->dev->nix;
+       uint32_t head, tail;
+
+       roc_nix_cq_head_tail_get(nix, rxq_sp->qid, &head, &tail);
+       return (tail - head) % (rxq_sp->qconf.nb_desc);
+}
+
+static inline int
+nix_offset_has_packet(uint32_t head, uint32_t tail, uint16_t offset, bool is_rx)
+{
+       /* Check given offset(queue index) has packet filled/xmit by HW
+        * in case of Rx or Tx.
+        * Also, checks for wrap around case.
+        */
+       return ((tail > head && offset <= tail && offset >= head) ||
+               (head > tail && (offset >= head || offset <= tail))) ?
+                      is_rx :
+                      !is_rx;
+}
+
+int
+cnxk_nix_rx_descriptor_status(void *rxq, uint16_t offset)
+{
+       struct cnxk_eth_rxq_sp *rxq_sp = cnxk_eth_rxq_to_sp(rxq);
+       struct roc_nix *nix = &rxq_sp->dev->nix;
+       uint32_t head, tail;
+
+       if (rxq_sp->qconf.nb_desc <= offset)
+               return -EINVAL;
+
+       roc_nix_cq_head_tail_get(nix, rxq_sp->qid, &head, &tail);
+
+       if (nix_offset_has_packet(head, tail, offset, 1))
+               return RTE_ETH_RX_DESC_DONE;
+       else
+               return RTE_ETH_RX_DESC_AVAIL;
+}
+
+int
+cnxk_nix_tx_descriptor_status(void *txq, uint16_t offset)
+{
+       struct cnxk_eth_txq_sp *txq_sp = cnxk_eth_txq_to_sp(txq);
+       struct roc_nix *nix = &txq_sp->dev->nix;
+       uint32_t head = 0, tail = 0;
+
+       if (txq_sp->qconf.nb_desc <= offset)
+               return -EINVAL;
+
+       roc_nix_sq_head_tail_get(nix, txq_sp->qid, &head, &tail);
+
+       if (nix_offset_has_packet(head, tail, offset, 0))
+               return RTE_ETH_TX_DESC_DONE;
+       else
+               return RTE_ETH_TX_DESC_FULL;
+}
+
 /* It is a NOP for cnxk as HW frees the buffer on xmit */
 int
 cnxk_nix_tx_done_cleanup(void *txq, uint32_t free_cnt)