From 2b39a06198a0fbaf44a69f435c5d2b4280a0c10e Mon Sep 17 00:00:00 2001
From: Moni Shoua <monis@mellanox.co.il>
Date: Thu, 25 Oct 2012 01:12:48 +0000
Subject: [PATCH] net/mlx4_en: Don't use vlan tag value as an indication for
vlan presence
The vlan tag can be zero. This is why it can't serve as an indication
that packet requires VLAN header in the TX flow.
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/mellanox/mlx4/en_tx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 0a51095fd8d6d..b35094c590ba9 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -711,7 +711,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
if (bounce)
tx_desc = mlx4_en_bounce_to_desc(priv, ring, index, desc_size);
- if (ring->bf_enabled && desc_size <= MAX_BF && !bounce && !vlan_tag) {
+ if (ring->bf_enabled && desc_size <= MAX_BF && !bounce && !vlan_tx_tag_present(skb)) {
*(__be32 *) (&tx_desc->ctrl.vlan_tag) |= cpu_to_be32(ring->doorbell_qpn);
op_own |= htonl((bf_index & 0xffff) << 8);
/* Ensure new descirptor hits memory
--
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