diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mad.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mad.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c index 39e58489dcc2..af962e7fdc3a 100644 --- a/drivers/infiniband/hw/mlx5/mad.c +++ b/drivers/infiniband/hw/mlx5/mad.c @@ -42,12 +42,24 @@ enum { MLX5_IB_VENDOR_CLASS2 = 0xa }; +static bool can_do_mad_ifc(struct mlx5_ib_dev *dev, u8 port_num, + struct ib_mad *in_mad) +{ + if (in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_LID_ROUTED && + in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) + return true; + return dev->mdev->port_caps[port_num - 1].has_smi; +} + int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey, int ignore_bkey, u8 port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, const void *in_mad, void *response_mad) { u8 op_modifier = 0; + if (!can_do_mad_ifc(dev, port, (struct ib_mad *)in_mad)) + return -EPERM; + /* Key check traps can't be generated unless we have in_wc to * tell us where to send the trap. */ |