1 What: /config/rdma_cm 1 What: /config/rdma_cm
2 Date: November 29, 2015 2 Date: November 29, 2015
3 KernelVersion: 4.4.0 3 KernelVersion: 4.4.0
4 Description: Interface is used to configure 4 Description: Interface is used to configure RDMA-cable HCAs in respect to
5 RDMA-CM attributes. 5 RDMA-CM attributes.
6 6
7 Attributes are visible only wh 7 Attributes are visible only when configfs is mounted. To mount
8 configfs in /config directory 8 configfs in /config directory use:
9 # mount -t configfs none /conf 9 # mount -t configfs none /config/
10 10
11 In order to set parameters rel 11 In order to set parameters related to a specific HCA, a directory
12 for this HCA has to be created 12 for this HCA has to be created:
13 mkdir -p /config/rdma_cm/<hca> 13 mkdir -p /config/rdma_cm/<hca>
14 14
15 15
16 What: /config/rdma_cm/<hca>/ports/<p 16 What: /config/rdma_cm/<hca>/ports/<port-num>/default_roce_mode
17 Date: November 29, 2015 17 Date: November 29, 2015
18 KernelVersion: 4.4.0 18 KernelVersion: 4.4.0
19 Description: RDMA-CM based connections from 19 Description: RDMA-CM based connections from HCA <hca> at port <port-num>
20 will be initiated with this Ro 20 will be initiated with this RoCE type as default.
21 The possible RoCE types are ei 21 The possible RoCE types are either "IB/RoCE v1" or "RoCE v2".
22 This parameter has RW access. 22 This parameter has RW access.
23 23
24 What: /config/rdma_cm/<hca>/ports/<p 24 What: /config/rdma_cm/<hca>/ports/<port-num>/default_roce_tos
25 Date: February 7, 2017 25 Date: February 7, 2017
26 KernelVersion: 4.11.0 26 KernelVersion: 4.11.0
27 Description: RDMA-CM QPs from HCA <hca> at 27 Description: RDMA-CM QPs from HCA <hca> at port <port-num>
28 will be created with this TOS 28 will be created with this TOS as default.
29 This can be overridden by usin 29 This can be overridden by using the rdma_set_option API.
30 The possible RoCE TOS values a 30 The possible RoCE TOS values are 0-255.
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