[dpdk-dev] [PATCH] net/i40e: fix vlan insert code redundance

Qiming Yang qiming.yang at intel.com
Fri Feb 10 02:26:34 CET 2017


This patch removed useless tx_flags in vlan insertion.

Fixes: 4861cde46116 ("i40e: new poll mode driver")

Signed-off-by: Qiming Yang <qiming.yang at intel.com>
---
 drivers/net/i40e/i40e_rxtx.c | 8 +-------
 drivers/net/i40e/i40e_rxtx.h | 2 --
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 608685f..b91cd70 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -1026,7 +1026,6 @@ i40e_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 	uint16_t nb_tx;
 	uint32_t td_cmd;
 	uint32_t td_offset;
-	uint32_t tx_flags;
 	uint32_t td_tag;
 	uint64_t ol_flags;
 	uint16_t nb_used;
@@ -1050,7 +1049,6 @@ i40e_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 		td_cmd = 0;
 		td_tag = 0;
 		td_offset = 0;
-		tx_flags = 0;
 
 		tx_pkt = *tx_pkts++;
 		RTE_MBUF_PREFETCH_TO_FREE(txe->mbuf);
@@ -1097,12 +1095,8 @@ i40e_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 
 		/* Descriptor based VLAN insertion */
 		if (ol_flags & (PKT_TX_VLAN_PKT | PKT_TX_QINQ_PKT)) {
-			tx_flags |= tx_pkt->vlan_tci <<
-				I40E_TX_FLAG_L2TAG1_SHIFT;
-			tx_flags |= I40E_TX_FLAG_INSERT_VLAN;
 			td_cmd |= I40E_TX_DESC_CMD_IL2TAG1;
-			td_tag = (tx_flags & I40E_TX_FLAG_L2TAG1_MASK) >>
-						I40E_TX_FLAG_L2TAG1_SHIFT;
+			td_tag = tx_pkt->vlan_tci;
 		}
 
 		/* Always enable CRC offload insertion */
diff --git a/drivers/net/i40e/i40e_rxtx.h b/drivers/net/i40e/i40e_rxtx.h
index 9df8a56..3d4abdc 100644
--- a/drivers/net/i40e/i40e_rxtx.h
+++ b/drivers/net/i40e/i40e_rxtx.h
@@ -38,8 +38,6 @@
  * 32 bits tx flags, high 16 bits for L2TAG1 (VLAN),
  * low 16 bits for others.
  */
-#define I40E_TX_FLAG_L2TAG1_SHIFT 16
-#define I40E_TX_FLAG_L2TAG1_MASK  0xffff0000
 #define I40E_TX_FLAG_CSUM         ((uint32_t)(1 << 0))
 #define I40E_TX_FLAG_INSERT_VLAN  ((uint32_t)(1 << 1))
 #define I40E_TX_FLAG_TSYN         ((uint32_t)(1 << 2))
-- 
2.7.4



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