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Commit cd1d3f7a authored by Chien Tung's avatar Chien Tung Committed by Roland Dreier
Browse files

RDMA/nes: Map MTU to IB_MTU_* and correctly report link state 



Old query_port code reports static MTU and link state values.
Instead, map actual MTU to next largest IB_MTU_* constant and
correctly report link state.

Cc: Steve Wise <swise@opengridcomputing.com>
Reported-by: default avatarJeff Squyres <jsquyres@cisco.com>
Signed-off-by: default avatarChien Tung <chien.tin.tung@intel.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent b29a4fc4

drivers/infiniband/hw/nes/nes_verbs.c

+20 −3
Original line number Diff line number Diff line
@@ -667,15 +667,32 @@ static int nes_query_device(struct ib_device *ibdev, struct ib_device_attr *prop 
 */

static int nes_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props)

{

	struct nes_vnic *nesvnic = to_nesvnic(ibdev);

	struct net_device *netdev = nesvnic->netdev;



	memset(props, 0, sizeof(*props));



	props->max_mtu = IB_MTU_2048;

	props->max_mtu = IB_MTU_4096;



	if (netdev->mtu  >= 4096)

		props->active_mtu = IB_MTU_4096;

	else if (netdev->mtu  >= 2048)

		props->active_mtu = IB_MTU_2048;

	else if (netdev->mtu  >= 1024)

		props->active_mtu = IB_MTU_1024;

	else if (netdev->mtu  >= 512)

		props->active_mtu = IB_MTU_512;

	else

		props->active_mtu = IB_MTU_256;



	props->lid = 1;

	props->lmc = 0;

	props->sm_lid = 0;

	props->sm_sl = 0;

	if (nesvnic->linkup)

		props->state = IB_PORT_ACTIVE;

	else

		props->state = IB_PORT_DOWN;

	props->phys_state = 0;

	props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_REINIT_SUP |

			IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP;