net/i40e: remove redundant VLAN insert code

Remove useless tx_flags and related macros in VLAN insertion.

Signed-off-by: Qiming Yang <qiming.yang@intel.com>

diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 9ccc354..cfc0e41 100644 (file)
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -1034,7 +1034,6 @@ 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;
@@ -1058,7 +1057,6 @@ 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);
@@ -1105,12 +1103,8 @@ 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 7f63328..d263dce 100644 (file)
--- a/drivers/net/i40e/i40e_rxtx.h
+++ b/drivers/net/i40e/i40e_rxtx.h
@@ -34,14 +34,7 @@
 #ifndef _I40E_RXTX_H_
 #define _I40E_RXTX_H_
 
-/**
- * 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))
 
 #define RTE_PMD_I40E_RX_MAX_BURST 32