define function for dev->tx_done_cleanup for
net_qdma PMD.

Signed-off-by: Aman Kumar <aman.ku...@vvdntech.in>
---
 drivers/net/qdma/qdma_devops.c |  8 --------
 drivers/net/qdma/qdma_rxtx.c   | 28 ++++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/drivers/net/qdma/qdma_devops.c b/drivers/net/qdma/qdma_devops.c
index 10d7d67b87..12391790f0 100644
--- a/drivers/net/qdma/qdma_devops.c
+++ b/drivers/net/qdma/qdma_devops.c
@@ -1717,14 +1717,6 @@ qdma_dev_txq_info_get(struct rte_eth_dev *dev, uint16_t 
tx_queue_id,
        qinfo->nb_desc = txq->nb_tx_desc - 1;
 }
 
-int qdma_dev_tx_done_cleanup(void *tx_queue, uint32_t free_cnt)
-{
-       (void)tx_queue;
-       (void)free_cnt;
-
-       return 0;
-}
-
 static struct eth_dev_ops qdma_eth_dev_ops = {
        .dev_configure            = qdma_dev_configure,
        .dev_infos_get            = qdma_dev_infos_get,
diff --git a/drivers/net/qdma/qdma_rxtx.c b/drivers/net/qdma/qdma_rxtx.c
index 1605c9973c..6842203ada 100644
--- a/drivers/net/qdma/qdma_rxtx.c
+++ b/drivers/net/qdma/qdma_rxtx.c
@@ -531,6 +531,34 @@ qdma_dev_rx_descriptor_status(void *rx_queue, uint16_t 
offset)
        return RTE_ETH_RX_DESC_AVAIL;
 }
 
+/**
+ * DPDK callback to request the driver to free mbufs
+ * currently cached by the driver.
+ *
+ * @param tx_queue
+ *   Pointer to Tx queue specific data structure.
+ * @param free_cnt
+ *   Maximum number of packets to free. Use 0 to indicate all possible packets
+ *   should be freed. Note that a packet may be using multiple mbufs.
+ *
+ * @return
+ *   Failure: < 0
+ *   Success: >= 0
+ *     0-n: Number of packets freed. More packets may still remain in ring that
+ *     are in use.
+ */
+int
+qdma_dev_tx_done_cleanup(void *tx_queue, uint32_t free_cnt)
+{
+       struct qdma_tx_queue *txq = tx_queue;
+
+       if ((uint16_t)free_cnt >= (txq->nb_tx_desc - 1))
+               return -EINVAL;
+
+       /* Free transmitted mbufs back to pool */
+       return reclaim_tx_mbuf(txq, txq->wb_status->cidx, free_cnt);
+}
+
 /* Transmit API for Streaming mode */
 uint16_t qdma_xmit_pkts_st(struct qdma_tx_queue *txq, struct rte_mbuf 
**tx_pkts,
                        uint16_t nb_pkts)
-- 
2.36.1

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