IB/mlx4: Set VF to read from QP counters

As IB VFs are not capable to read the port counters through MADs,
move there to read their own QP counters to gather statistics.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 74ca13f897092b56bd26715204ffb46d85b209da..bc698b14683fa1d79a845dcaf053cdb9863cc1d7 100644 (file)
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -869,10 +869,12 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
                        struct ib_wc *in_wc, struct ib_grh *in_grh,
                        struct ib_mad *in_mad, struct ib_mad *out_mad)
 {
+       struct mlx4_ib_dev *dev = to_mdev(ibdev);
        switch (rdma_port_get_link_layer(ibdev, port_num)) {
        case IB_LINK_LAYER_INFINIBAND:
-               return ib_process_mad(ibdev, mad_flags, port_num, in_wc,
-                                     in_grh, in_mad, out_mad);
+               if (!mlx4_is_slave(dev->dev))
+                       return ib_process_mad(ibdev, mad_flags, port_num, in_wc,
+                                             in_grh, in_mad, out_mad);
        case IB_LINK_LAYER_ETHERNET:
                return iboe_process_mad(ibdev, mad_flags, port_num, in_wc,
                                          in_grh, in_mad, out_mad);