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-rw-r--r--drivers/net/ethernet/mellanox/mlx4/port.c10
-rw-r--r--include/linux/mlx4/device.h5
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index e36dd0f2fa7..4c51b05efa2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -732,6 +732,16 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod,
new_cap_mask = ((__be32 *) inbox->buf)[1];
}
+ /* slave may not set the IS_SM capability for the port */
+ if (slave != mlx4_master_func_num(dev) &&
+ (be32_to_cpu(new_cap_mask) & MLX4_PORT_CAP_IS_SM))
+ return -EINVAL;
+
+ /* No DEV_MGMT in multifunc mode */
+ if (mlx4_is_mfunc(dev) &&
+ (be32_to_cpu(new_cap_mask) & MLX4_PORT_CAP_DEV_MGMT_SUP))
+ return -EINVAL;
+
agg_cap_mask = 0;
slave_cap_mask =
priv->mfunc.master.slave_state[slave].ib_cap_mask[port];
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 380e01671d1..b3f9b4500b9 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -54,6 +54,11 @@ enum {
};
enum {
+ MLX4_PORT_CAP_IS_SM = 1 << 1,
+ MLX4_PORT_CAP_DEV_MGMT_SUP = 1 << 19,
+};
+
+enum {
MLX4_MAX_PORTS = 2,
MLX4_MAX_PORT_PKEYS = 128
};