Commit 4eace75e authored by Shiraz Saleem's avatar Shiraz Saleem Committed by Leon Romanovsky
Browse files

RDMA/irdma: Report the correct link speed 



The active link speed is currently hard-coded in irdma_query_port due
to which the port rate in ibstatus does reflect the active link speed.

Call ib_get_eth_speed in irdma_query_port to get the active link speed.

Fixes: b48c24c2 ("RDMA/irdma: Implement device supported verb APIs")
Reported-by: default avatarKamal Heib <kamalheib1@gmail.com>
Signed-off-by: default avatarShiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20221104234957.1135-1-shiraz.saleem@intel.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent abef378c

drivers/infiniband/hw/irdma/verbs.c

+3 −32
Original line number Diff line number Diff line
@@ -63,36 +63,6 @@ static int irdma_query_device(struct ib_device *ibdev, 
	return 0;

}



/**

 * irdma_get_eth_speed_and_width - Get IB port speed and width from netdev speed

 * @link_speed: netdev phy link speed

 * @active_speed: IB port speed

 * @active_width: IB port width

 */

static void irdma_get_eth_speed_and_width(u32 link_speed, u16 *active_speed,

					  u8 *active_width)

{

	if (link_speed <= SPEED_1000) {

		*active_width = IB_WIDTH_1X;

		*active_speed = IB_SPEED_SDR;

	} else if (link_speed <= SPEED_10000) {

		*active_width = IB_WIDTH_1X;

		*active_speed = IB_SPEED_FDR10;

	} else if (link_speed <= SPEED_20000) {

		*active_width = IB_WIDTH_4X;

		*active_speed = IB_SPEED_DDR;

	} else if (link_speed <= SPEED_25000) {

		*active_width = IB_WIDTH_1X;

		*active_speed = IB_SPEED_EDR;

	} else if (link_speed <= SPEED_40000) {

		*active_width = IB_WIDTH_4X;

		*active_speed = IB_SPEED_FDR10;

	} else {

		*active_width = IB_WIDTH_4X;

		*active_speed = IB_SPEED_EDR;

	}

}



/**

 * irdma_query_port - get port attributes

 * @ibdev: device pointer from stack
@@ -120,7 +90,8 @@ static int irdma_query_port(struct ib_device *ibdev, u32 port, 
		props->state = IB_PORT_DOWN;

		props->phys_state = IB_PORT_PHYS_STATE_DISABLED;

	}

	irdma_get_eth_speed_and_width(SPEED_100000, &props->active_speed,



	ib_get_eth_speed(ibdev, port, &props->active_speed,

			 &props->active_width);



	if (rdma_protocol_roce(ibdev, 1)) {