netdev - [PATCH net-next 7/7] net/mlx4_en: Notify TX Vlan offload change

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Date:	Tue,  3 Feb 2015 17:57:21 +0200
From:	Amir Vadai <amirv@...lanox.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Amir Vadai <amirv@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Yevgeny Petrilin <yevgenyp@...lanox.com>,
	Ido Shamay <idos@...lanox.com>
Subject: [PATCH net-next 7/7] net/mlx4_en: Notify TX Vlan offload change

From: Ido Shamay <idos@...lanox.com>

Notify users when TX vlan offload feature changed with ethtool.
Relevant command - ethtool -K <eth> txvlan on/off.

Signed-off-by: Ido Shamay <idos@...lanox.com>
Signed-off-by: Amir Vadai <amirv@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index e075ff1..0897274 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2201,6 +2201,10 @@ static int mlx4_en_set_features(struct net_device *netdev,
 			return ret;
 	}
 
+	if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_CTAG_TX))
+		en_info(priv, "Turn %s TX vlan strip offload\n",
+			(features & NETIF_F_HW_VLAN_CTAG_TX) ? "ON" : "OFF");
+
 	if (features & NETIF_F_LOOPBACK)
 		priv->ctrl_flags |= cpu_to_be32(MLX4_WQE_CTRL_FORCE_LOOPBACK);
 	else
-- 
1.9.3

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