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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: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Eran Ben Elisha 2016-02-11 10:24:44 +02:00 committed by Doug Ledford
parent c3c0c83667
commit c2bab61981
1 changed files with 14 additions and 1 deletions
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15
drivers/infiniband/hw/mlx4/mad.c
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@ -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);