netdev - [PATCH 3/3] net/mlx4_en: bug fix for the case of vlan id 0 and UP 0

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Date:	Tue, 15 Nov 2011 11:14:06 +0200
From:	Amir Vadai <amirv@....mellanox.co.il>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Oren Duer <oren@...lanox.com>,
	Yevgeny Petrilin <yevgenyp@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Amir Vadai <amirv@...lanox.co.il>
Subject: [PATCH 3/3] net/mlx4_en: bug fix for the case of vlan id 0 and UP 0

From: Amir Vadai <amirv@...lanox.co.il>

When using vlan 0 and UP 0, vlan header wasn't placed.

Signed-off-by: Amir Vadai <amirv@...lanox.co.il>
---
 drivers/net/ethernet/mellanox/mlx4/en_tx.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 9b4ca4c..150383e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -565,7 +565,7 @@ static void build_inline_wqe(struct mlx4_en_tx_desc *tx_desc, struct sk_buff *sk
 		inl->byte_count = cpu_to_be32(1 << 31 | (skb->len - spc));
 	}
 	tx_desc->ctrl.vlan_tag = cpu_to_be16(*vlan_tag);
-	tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * !!(*vlan_tag);
+	tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * (!!vlan_tx_tag_present(skb));
 	tx_desc->ctrl.fence_size = (real_size / 16) & 0x3f;
 }
 
@@ -676,7 +676,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
 	/* Prepare ctrl segement apart opcode+ownership, which depends on
 	 * whether LSO is used */
 	tx_desc->ctrl.vlan_tag = cpu_to_be16(vlan_tag);
-	tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * !!vlan_tag;
+	tx_desc->ctrl.ins_vlan = MLX4_WQE_CTRL_INS_VLAN * !!vlan_tx_tag_present(skb);
 	tx_desc->ctrl.fence_size = (real_size / 16) & 0x3f;
 	tx_desc->ctrl.srcrb_flags = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE |
 						MLX4_WQE_CTRL_SOLICITED);
-- 
1.7.5.4

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