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path: root/drivers/infiniband/hw/mlx5/mad.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/mad.c')
-rw-r--r--drivers/infiniband/hw/mlx5/mad.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index 32a9e9228b13..558638468edb 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -526,11 +526,6 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
int ext_active_speed;
int err = -ENOMEM;
- if (port < 1 || port > dev->num_ports) {
- mlx5_ib_warn(dev, "invalid port number %d\n", port);
- return -EINVAL;
- }
-
in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
if (!in_mad || !out_mad)
@@ -568,6 +563,14 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
props->max_vl_num = out_mad->data[37] >> 4;
props->init_type_reply = out_mad->data[41] >> 4;
+ if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP) {
+ props->port_cap_flags2 =
+ be16_to_cpup((__be16 *)(out_mad->data + 60));
+
+ if (props->port_cap_flags2 & IB_PORT_LINK_WIDTH_2X_SUP)
+ props->active_width = out_mad->data[31] & 0x1f;
+ }
+
/* Check if extended speeds (EDR/FDR/...) are supported */
if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) {
ext_active_speed = out_mad->data[62] >> 4;
@@ -579,6 +582,11 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
case 2:
props->active_speed = 32; /* EDR */
break;
+ case 4:
+ if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP &&
+ props->port_cap_flags2 & IB_PORT_LINK_SPEED_HDR_SUP)
+ props->active_speed = IB_SPEED_HDR;
+ break;
}
}