Documentation/ABI/testing/configfs-rdma_cm

Source file repositories/reference/linux-study-clean/Documentation/ABI/testing/configfs-rdma_cm

File Facts

System
Linux kernel
Corpus path
Documentation/ABI/testing/configfs-rdma_cm
Extension
[no extension]
Size
1099 bytes
Lines
31
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: Documentation
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

What: 		/config/rdma_cm
Date: 		November 29, 2015
KernelVersion:  4.4.0
Description: 	Interface is used to configure RDMA-cable HCAs in respect to
		RDMA-CM attributes.

		Attributes are visible only when configfs is mounted. To mount
		configfs in /config directory use:
		# mount -t configfs none /config/

		In order to set parameters related to a specific HCA, a directory
		for this HCA has to be created:
		mkdir -p /config/rdma_cm/<hca>


What: 		/config/rdma_cm/<hca>/ports/<port-num>/default_roce_mode
Date: 		November 29, 2015
KernelVersion:  4.4.0
Description: 	RDMA-CM based connections from HCA <hca> at port <port-num>
		will be initiated with this RoCE type as default.
		The possible RoCE types are either "IB/RoCE v1" or "RoCE v2".
		This parameter has RW access.

What: 		/config/rdma_cm/<hca>/ports/<port-num>/default_roce_tos
Date: 		February 7, 2017
KernelVersion:  4.11.0
Description: 	RDMA-CM QPs from HCA <hca> at port <port-num>
		will be created with this TOS as default.
		This can be overridden by using the rdma_set_option API.
		The possible RoCE TOS values are 0-255.

Annotation

Implementation Notes