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path: root/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
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Diffstat (limited to 'drivers/infiniband/hw/ocrdma/ocrdma_verbs.c')
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c43
1 files changed, 41 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index e934073e7052..f09a9403b600 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -106,6 +106,45 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr)
return 0;
}
+static inline void get_link_speed_and_width(struct ocrdma_dev *dev,
+ u8 *ib_speed, u8 *ib_width)
+{
+ int status;
+ u8 speed;
+
+ status = ocrdma_mbx_get_link_speed(dev, &speed);
+ if (status)
+ speed = OCRDMA_PHYS_LINK_SPEED_ZERO;
+
+ switch (speed) {
+ case OCRDMA_PHYS_LINK_SPEED_1GBPS:
+ *ib_speed = IB_SPEED_SDR;
+ *ib_width = IB_WIDTH_1X;
+ break;
+
+ case OCRDMA_PHYS_LINK_SPEED_10GBPS:
+ *ib_speed = IB_SPEED_QDR;
+ *ib_width = IB_WIDTH_1X;
+ break;
+
+ case OCRDMA_PHYS_LINK_SPEED_20GBPS:
+ *ib_speed = IB_SPEED_DDR;
+ *ib_width = IB_WIDTH_4X;
+ break;
+
+ case OCRDMA_PHYS_LINK_SPEED_40GBPS:
+ *ib_speed = IB_SPEED_QDR;
+ *ib_width = IB_WIDTH_4X;
+ break;
+
+ default:
+ /* Unsupported */
+ *ib_speed = IB_SPEED_SDR;
+ *ib_width = IB_WIDTH_1X;
+ };
+}
+
+
int ocrdma_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
@@ -142,8 +181,8 @@ int ocrdma_query_port(struct ib_device *ibdev,
props->pkey_tbl_len = 1;
props->bad_pkey_cntr = 0;
props->qkey_viol_cntr = 0;
- props->active_width = IB_WIDTH_1X;
- props->active_speed = 4;
+ get_link_speed_and_width(dev, &props->active_speed,
+ &props->active_width);
props->max_msg_sz = 0x80000000;
props->max_vl_num = 4;
return 0;