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.
