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IB/mlx5: Avoid SMP MADs from VFs 

According to the device specification, we need to check that the
has_smi bit is set in vport context before allowing send SMP
MADs from VF.

Fixes: e126ba97db ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Maor Gottlieb 2017-01-18 14:10:34 +02:00 committed by Doug Ledford
parent c43f1112c0
commit 1e0e50b617
1 changed files with 6 additions and 0 deletions
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6
drivers/infiniband/hw/mlx5/qp.c
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@ -3979,6 +3979,12 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
break;
case IB_QPT_SMI:
if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) {
mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n");
err = -EPERM;
*bad_wr = wr;
goto out;
}
case MLX5_IB_QPT_HW_GSI:
set_datagram_seg(seg, wr);
seg += sizeof(struct mlx5_wqe_datagram_seg);