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Commit 1e0e50b6 authored by Maor Gottlieb's avatar Maor Gottlieb Committed by Doug Ledford
Browse files

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: e126ba97 ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: default avatarMaor Gottlieb <maorg@mellanox.com>
Reviewed-by: default avatarEli Cohen <eli@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent c43f1112

drivers/infiniband/hw/mlx5/qp.c

+6 −0
Original line number Diff line number Diff line
@@ -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);