162306a36Sopenharmony_ciWhat: 		/config/rdma_cm
262306a36Sopenharmony_ciDate: 		November 29, 2015
362306a36Sopenharmony_ciKernelVersion:  4.4.0
462306a36Sopenharmony_ciDescription: 	Interface is used to configure RDMA-cable HCAs in respect to
562306a36Sopenharmony_ci		RDMA-CM attributes.
662306a36Sopenharmony_ci
762306a36Sopenharmony_ci		Attributes are visible only when configfs is mounted. To mount
862306a36Sopenharmony_ci		configfs in /config directory use:
962306a36Sopenharmony_ci		# mount -t configfs none /config/
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_ci		In order to set parameters related to a specific HCA, a directory
1262306a36Sopenharmony_ci		for this HCA has to be created:
1362306a36Sopenharmony_ci		mkdir -p /config/rdma_cm/<hca>
1462306a36Sopenharmony_ci
1562306a36Sopenharmony_ci
1662306a36Sopenharmony_ciWhat: 		/config/rdma_cm/<hca>/ports/<port-num>/default_roce_mode
1762306a36Sopenharmony_ciDate: 		November 29, 2015
1862306a36Sopenharmony_ciKernelVersion:  4.4.0
1962306a36Sopenharmony_ciDescription: 	RDMA-CM based connections from HCA <hca> at port <port-num>
2062306a36Sopenharmony_ci		will be initiated with this RoCE type as default.
2162306a36Sopenharmony_ci		The possible RoCE types are either "IB/RoCE v1" or "RoCE v2".
2262306a36Sopenharmony_ci		This parameter has RW access.
2362306a36Sopenharmony_ci
2462306a36Sopenharmony_ciWhat: 		/config/rdma_cm/<hca>/ports/<port-num>/default_roce_tos
2562306a36Sopenharmony_ciDate: 		February 7, 2017
2662306a36Sopenharmony_ciKernelVersion:  4.11.0
2762306a36Sopenharmony_ciDescription: 	RDMA-CM QPs from HCA <hca> at port <port-num>
2862306a36Sopenharmony_ci		will be created with this TOS as default.
2962306a36Sopenharmony_ci		This can be overridden by using the rdma_set_option API.
3062306a36Sopenharmony_ci		The possible RoCE TOS values are 0-255.
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