eventdev/eth_tx: fix queue delete

Add spinlock protection in queue delete function.
This protects the data path while the queue delete operation
is in progress.

Fixes: a3bbf2e09756 ("eventdev: add eth Tx adapter implementation")
Cc: stable@dpdk.org
Signed-off-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>
Acked-by: Jay Jayatheerthan <jay.jayatheerthan@intel.com>

diff --git a/lib/eventdev/rte_event_eth_tx_adapter.c b/lib/eventdev/rte_event_eth_tx_adapter.c
index c700fb7b1f6f526d6b622cdddd4f6a5740ebc027..b4b37f1cae6581bcbff927cfdcce0b1d86806e40 100644 (file)
--- a/lib/eventdev/rte_event_eth_tx_adapter.c
+++ b/lib/eventdev/rte_event_eth_tx_adapter.c
@@ -891,9 +891,10 @@ txa_service_queue_del(uint8_t id,
 
        txa = txa_service_id_to_data(id);
 
+       rte_spinlock_lock(&txa->tx_lock);
        tqi = txa_service_queue(txa, port_id, tx_queue_id);
        if (tqi == NULL || !tqi->added)
-               return 0;
+               goto ret_unlock;
 
        tb = tqi->tx_buf;
        tqi->added = 0;
@@ -903,6 +904,9 @@ txa_service_queue_del(uint8_t id,
        txa->txa_ethdev[port_id].nb_queues--;
 
        txa_service_queue_array_free(txa, port_id);
+
+ret_unlock:
+       rte_spinlock_unlock(&txa->tx_lock);
        return 0;
 }