IB/core: Add support for NDR link speed

Add new IBTA speed NDR, supporting signaling rate of 100Gb.

Link: https://lore.kernel.org/r/20201026133738.1340432-2-leon@kernel.orgSigned-off-by: Meir Lichtinger <meirl@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/core/sysfs.c

@@ -275,6 +275,10 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
 		speed = " HDR";
 		rate = 500;
 		break;
+	case IB_SPEED_NDR:
+		speed = " NDR";
+		rate = 1000;
+		break;
 	case IB_SPEED_SDR:
 	default:		/* default to SDR for invalid rates */
 		speed = " SDR";