netdev - [PATCH net-next 2/2] mlx4_core: limiting VF port options

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Date:	Thu, 29 Dec 2011 19:42:39 +0200
From:	Yevgeny Petrilin <yevgenyp@...lanox.co.il>
To:	<davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, <yevgenyp@...lanox.co.il>
Subject: [PATCH net-next 2/2] mlx4_core: limiting VF port options


At the moment VFs can only operate in Eth mode.
In addition we don't want the VF to attempt link sensing,
so we block this option as well.

Signed-off-by: Yevgeny Petrilin <yevgenyp@...lanox.co.il>
---
 drivers/net/ethernet/mellanox/mlx4/fw.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index e0639eb..8bcc66f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -657,6 +657,8 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
 	u8 port_type;
 	int err;
 
+#define MLX4_VF_PORT_ETH_ONLY_MASK	0xE6
+
 	err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0,
 			   MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
 			   MLX4_CMD_NATIVE);
@@ -671,8 +673,8 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
 		MLX4_GET(port_type, outbox->buf,
 			 QUERY_PORT_SUPPORTED_TYPE_OFFSET);
 
-		/* disable ib */
-		port_type &= 0xFE;
+		/* Allow only Eth port, no link sensing allowed */
+		port_type &= MLX4_VF_PORT_ETH_ONLY_MASK;
 
 		/* check eth is enabled for this port */
 		if (!(port_type & 2))
-- 
1.7.7




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