net/liquidio: add API to release Rx queue

[dpdk.git] / drivers / net / liquidio / lio_ethdev.c

diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c
index ebfdf7a..d5f650e 100644 (file)
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -121,6 +121,33 @@ lio_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no,
        return 0;
 }
 
+/**
+ * Release the receive queue/ringbuffer. Called by
+ * the upper layers.
+ *
+ * @param rxq
+ *    Opaque pointer to the receive queue to release
+ *
+ * @return
+ *    - nothing
+ */
+static void
+lio_dev_rx_queue_release(void *rxq)
+{
+       struct lio_droq *droq = rxq;
+       struct lio_device *lio_dev = droq->lio_dev;
+       int oq_no;
+
+       /* Run time queue deletion not supported */
+       if (lio_dev->port_configured)
+               return;
+
+       if (droq != NULL) {
+               oq_no = droq->q_no;
+               lio_delete_droq_queue(droq->lio_dev, oq_no);
+       }
+}
+
 static int lio_dev_configure(struct rte_eth_dev *eth_dev)
 {
        struct lio_device *lio_dev = LIO_DEV(eth_dev);
@@ -266,6 +293,7 @@ nic_config_fail:
 static const struct eth_dev_ops liovf_eth_dev_ops = {
        .dev_configure          = lio_dev_configure,
        .rx_queue_setup         = lio_dev_rx_queue_setup,
+       .rx_queue_release       = lio_dev_rx_queue_release,
 };
 
 static void