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@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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 @@
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 @@
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))