mlx4_ib: Add extended link speeds support
This patch implements IB spec extension of the PortInfo attribute:
Component : LinkSpeedExtActive
Used By : (All X's except base SP0)
Access : RO
Length : 4
Offset : 496
Description: If PortInfo:CapabilityMask.IsExtendedSpeedsSupported
(according to IBTA RefID 4720), currently
active extended link speed, indicated as follows:
0: No extended speed active
1: 14.0625 Gbps (FDR)
2: 25.78125 Gbps (EDR)
3-15: Reserved
Signed-off-by: Vladimir Sokolovsky <[email protected]>
Signed-off-by: Marcel Apfelbaum <[email protected]>
Reviewed-by: Hal Rosenstock <[email protected]>
---
drivers/infiniband/hw/mlx4/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: b/drivers/infiniband/hw/mlx4/main.c
===================================================================
--- a/drivers/infiniband/hw/mlx4/main.c 2011-09-14 13:49:58.000000000 +0300
+++ b/drivers/infiniband/hw/mlx4/main.c 2011-09-14 13:50:52.408510900 +0300
@@ -202,7 +202,7 @@ static int ib_link_query_port(struct ib_
props->subnet_timeout = out_mad->data[51] & 0x1f;
props->max_vl_num = out_mad->data[37] >> 4;
props->init_type_reply = out_mad->data[41] >> 4;
-
+ props->ext_active_speed = out_mad->data[62] >> 4;
return 0;
}
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