From: Eran Ben Elisha <eranbe@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
Signed-off-by: Matan Barak <matanb@xxxxxxxxxxxx>
Reviewed-by: Or Gerlitz <ogerlitz@xxxxxxxxxxxx>
---
drivers/infiniband/hw/mlx4/mad.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index db37782..74335ca 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -841,6 +841,15 @@ 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)
@@ -853,6 +862,9 @@ 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,
@@ -908,7 +920,8 @@ 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);
--
1.8.3.1
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