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path: root/drivers/net/mlx4/en_tx.c
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Diffstat (limited to 'drivers/net/mlx4/en_tx.c')
-rw-r--r--drivers/net/mlx4/en_tx.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 580968f304eb..a680cd4a5ab6 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -38,6 +38,7 @@
#include <linux/skbuff.h>
#include <linux/if_vlan.h>
#include <linux/vmalloc.h>
+#include <linux/tcp.h>
#include "mlx4_en.h"
@@ -582,7 +583,7 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb)
/* If we support per priority flow control and the packet contains
* a vlan tag, send the packet to the TX ring assigned to that priority
*/
- if (priv->prof->rx_ppp && priv->vlgrp && vlan_tx_tag_present(skb)) {
+ if (priv->prof->rx_ppp && vlan_tx_tag_present(skb)) {
vlan_tag = vlan_tx_tag_get(skb);
return MLX4_EN_NUM_TX_RINGS + (vlan_tag >> 13);
}
@@ -600,6 +601,9 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
struct mlx4_wqe_data_seg *data;
struct skb_frag_struct *frag;
struct mlx4_en_tx_info *tx_info;
+ struct ethhdr *ethh;
+ u64 mac;
+ u32 mac_l, mac_h;
int tx_ind = 0;
int nr_txbb;
int desc_size;
@@ -612,6 +616,9 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
int lso_header_size;
void *fragptr;
+ if (!priv->port_up)
+ goto tx_drop;
+
real_size = get_real_size(skb, dev, &lso_header_size);
if (unlikely(!real_size))
goto tx_drop;
@@ -627,7 +634,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
tx_ind = skb->queue_mapping;
ring = &priv->tx_ring[tx_ind];
- if (priv->vlgrp && vlan_tx_tag_present(skb))
+ if (vlan_tx_tag_present(skb))
vlan_tag = vlan_tx_tag_get(skb);
/* Check available TXBBs And 2K spare for prefetch */
@@ -676,6 +683,19 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
priv->port_stats.tx_chksum_offload++;
}
+ if (unlikely(priv->validate_loopback)) {
+ /* Copy dst mac address to wqe */
+ skb_reset_mac_header(skb);
+ ethh = eth_hdr(skb);
+ if (ethh && ethh->h_dest) {
+ mac = mlx4_en_mac_to_u64(ethh->h_dest);
+ mac_h = (u32) ((mac & 0xffff00000000ULL) >> 16);
+ mac_l = (u32) (mac & 0xffffffff);
+ tx_desc->ctrl.srcrb_flags |= cpu_to_be32(mac_h);
+ tx_desc->ctrl.imm = cpu_to_be32(mac_l);
+ }
+ }
+
/* Handle LSO (TSO) packets */
if (lso_header_size) {
/* Mark opcode as LSO */
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