[8/9] net/hns3: remove the unnecessary assignment
diff mbox series

Message ID 20191202025126.73423-9-xavier.huwei@tom.com
State Under Review
Delegated to: Ferruh Yigit
Headers show
Series
  • updates for hns3 PMD driver
Related show

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Wei Hu (Xavier) Dec. 2, 2019, 2:51 a.m. UTC
From: "Wei Hu (Xavier)" <xavier.huwei@huawei.com>

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

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

Patch
diff mbox series

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;
 	}