net/ena: fix Tx doorbell statistics

Increment Tx doorbell statistics on tx_pkt_burst
after writing to doorbell and in case max burst size achieved

Fixes: c7519ea5eb8d ("net/ena: call additional doorbells if needed")
Cc: stable@dpdk.org
Signed-off-by: Amit Bernstein <amitbern@amazon.com>
Reviewed-by: Michal Krawczyk <mk@semihalf.com>
Reviewed-by: Igor Chauskin <igorch@amazon.com>

diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index dde6e9c..623b6dd 100644 (file)
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -2519,6 +2519,7 @@ static int ena_xmit_mbuf(struct ena_ring *tx_ring, struct rte_mbuf *mbuf)
                        "llq tx max burst size of queue %d achieved, writing doorbell to send burst\n",
                        tx_ring->id);
                ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq);
+               tx_ring->tx_stats.doorbells++;
        }
 
        /* prepare the packet's descriptors to dma engine */