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Commit 82901e3e authored by Leon Romanovsky's avatar Leon Romanovsky Committed by Doug Ledford
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RDMA/core: Refactor get link layer wrapper 



The return values from rdma_node_get_transport() are strict
and IB_LINK_LAYER_UNSPECIFIED is unreachable in this flow.

Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Reviewed-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent cdc596d8

drivers/infiniband/core/verbs.c

+5 −9
Original line number Diff line number Diff line
@@ -194,19 +194,15 @@ EXPORT_SYMBOL(rdma_node_get_transport); 


enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device, u8 port_num)

{

	enum rdma_transport_type lt;

	if (device->get_link_layer)

		return device->get_link_layer(device, port_num);



	switch (rdma_node_get_transport(device->node_type)) {

	case RDMA_TRANSPORT_IB:

	lt = rdma_node_get_transport(device->node_type);

	if (lt == RDMA_TRANSPORT_IB)

		return IB_LINK_LAYER_INFINIBAND;

	case RDMA_TRANSPORT_IWARP:

	case RDMA_TRANSPORT_USNIC:

	case RDMA_TRANSPORT_USNIC_UDP:



	return IB_LINK_LAYER_ETHERNET;

	default:

		return IB_LINK_LAYER_UNSPECIFIED;

	}

}

EXPORT_SYMBOL(rdma_port_get_link_layer);