> On 11 Jan 2022, at 17:35, Håkon Bugge <haakon.bugge@xxxxxxxxxx> wrote:
>
> It is not logical to call iboe_process_mad() when the link-layer is
> Infiniband. Nevertheless, the commit message in commit 43bfb9729ea8
> ("IB/mlx4: Fix use of flow-counters for process_mad") explicitly state
> that iboe_process_mad() shall be called.
>
> Without this fix, reading:
# cat /sys/class/infiniband/mlx4_0/ports/2/counters_ext/port_xmit_data_64
(sorry, this line was of course taken as comment and was removed).
Thxs, Håkon
>
> yields "Invalid argument", whereas with this commit, said counter can
> be read.
>
> Please note that mlx4_1 is a VF.
>
> Fixes: 43bfb9729ea8 ("IB/mlx4: Fix use of flow-counters for process_mad")
> Signed-off-by: Håkon Bugge <haakon.bugge@xxxxxxxxxx>
> ---
> drivers/infiniband/hw/mlx4/mad.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
> index d13ecbd..cc83782 100644
> --- a/drivers/infiniband/hw/mlx4/mad.c
> +++ b/drivers/infiniband/hw/mlx4/mad.c
> @@ -998,8 +998,8 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u32 port_num,
> (in->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS ||
> in->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT ||
> in->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO)))
> - return iboe_process_mad(ibdev, mad_flags, port_num,
> - in_wc, in_grh, in, out);
> + return ib_process_mad(ibdev, mad_flags, port_num,
> + in_wc, in_grh, in, out);
>
> return ib_process_mad(ibdev, mad_flags, port_num, in_wc, in_grh,
> in, out);
> --
> 1.8.3.1
>
