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Commit c2bab619 authored by Eran Ben Elisha's avatar Eran Ben Elisha Committed by Doug Ledford
Browse files

IB/mlx4: Add support for the port info class for RoCE ports 



Report that driver supports IB_PMA_CLASS_CAP_EXT_WIDTH in respond for
IB_MGMT_CLASS_PERF_MGMT mad with IB_PMA_CLASS_PORT_INFO attr id.

Signed-off-by: default avatarEran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: default avatarMatan Barak <matanb@mellanox.com>
Reviewed-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent c3c0c836

drivers/infiniband/hw/mlx4/mad.c

+14 −1
Original line number Diff line number Diff line
@@ -852,6 +852,15 @@ static void edit_counter(struct mlx4_counter *cnt, void *counters, 
	}

}



static int iboe_process_mad_port_info(void *out_mad)

{

	struct ib_class_port_info cpi = {};



	cpi.capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH;

	memcpy(out_mad, &cpi, sizeof(cpi));

	return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;

}



static int iboe_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,

			const struct ib_wc *in_wc, const struct ib_grh *in_grh,

			const struct ib_mad *in_mad, struct ib_mad *out_mad)
@@ -864,6 +873,9 @@ static int iboe_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 
	if (in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_PERF_MGMT)

		return -EINVAL;



	if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO)

		return iboe_process_mad_port_info((void *)(out_mad->data + 40));



	memset(&counter_stats, 0, sizeof(counter_stats));

	mutex_lock(&dev->counters_table[port_num - 1].mutex);

	list_for_each_entry(tmp_counter,
@@ -919,7 +931,8 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 
		if (mlx4_is_slave(dev->dev) &&

		    (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT &&

		     (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS ||

		      in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT)))

		      in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT ||

		      in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO)))

			return iboe_process_mad(ibdev, mad_flags, port_num, in_wc,

						in_grh, in_mad, out_mad);