[dpdk-dev] [PATCH v2 8/9] net/hns3: remove the unnecessary assignment

[Wei Hu (Xavier)]

From: "Wei Hu (Xavier)" <xavier.hu...@huawei.com>

This patch removes the unncessary assignment in hns3_xmit_pkts function
to avoid performance loss.

Signed-off-by: Wei Hu (Xavier) <xavier.hu...@huawei.com>
---
 drivers/net/hns3/hns3_rxtx.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
index 0090cda31..18c07b85e 100644
--- a/drivers/net/hns3/hns3_rxtx.c
+++ b/drivers/net/hns3/hns3_rxtx.c
@@ -1612,7 +1612,6 @@ hns3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, 
uint16_t nb_pkts)
        struct rte_mbuf *m_seg;
        struct rte_mbuf *temp;
        uint32_t nb_hold = 0;
-       uint16_t tx_next_clean;
        uint16_t tx_next_use;
        uint16_t tx_bd_ready;
        uint16_t tx_pkt_num;
@@ -1627,11 +1626,8 @@ hns3_xmit_pkts(void *tx_queue, struct rte_mbuf 
**tx_pkts, uint16_t nb_pkts)
        if (tx_bd_ready == 0)
                return 0;
 
-       tx_next_clean = txq->next_to_clean;
        tx_next_use   = txq->next_to_use;
        tx_bd_max     = txq->nb_tx_desc;
-       tx_bak_pkt = &txq->sw_ring[tx_next_clean];
-
        tx_pkt_num = (tx_bd_ready < nb_pkts) ? tx_bd_ready : nb_pkts;
 
        /* send packets */
@@ -1707,7 +1703,6 @@ hns3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, 
uint16_t nb_pkts)
 
        if (likely(nb_tx)) {
                hns3_queue_xmit(txq, nb_hold);
-               txq->next_to_clean = tx_next_clean;
                txq->tx_bd_ready   = tx_bd_ready - nb_hold;
        }
 
-- 
2.23.0