net/mlx4_core: Adjustments to SET_PORT for IB SR-IOV
1. Slaves may not set the IS_SM capability for the port.
2. DEV_MGMT may not be set in multifunction mode.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index e36dd0f..4c51b05 100644
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -732,6 +732,16 @@
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];