1045959dbSMatan BarakWhat: /config/rdma_cm 2045959dbSMatan BarakDate: November 29, 2015 3045959dbSMatan BarakKernelVersion: 4.4.0 4045959dbSMatan BarakDescription: Interface is used to configure RDMA-cable HCAs in respect to 5045959dbSMatan Barak RDMA-CM attributes. 6045959dbSMatan Barak 7045959dbSMatan Barak Attributes are visible only when configfs is mounted. To mount 8045959dbSMatan Barak configfs in /config directory use: 9045959dbSMatan Barak # mount -t configfs none /config/ 10045959dbSMatan Barak 11045959dbSMatan Barak In order to set parameters related to a specific HCA, a directory 12045959dbSMatan Barak for this HCA has to be created: 13045959dbSMatan Barak mkdir -p /config/rdma_cm/<hca> 14045959dbSMatan Barak 15045959dbSMatan Barak 16045959dbSMatan BarakWhat: /config/rdma_cm/<hca>/ports/<port-num>/default_roce_mode 17045959dbSMatan BarakDate: November 29, 2015 18045959dbSMatan BarakKernelVersion: 4.4.0 19045959dbSMatan BarakDescription: RDMA-CM based connections from HCA <hca> at port <port-num> 20045959dbSMatan Barak will be initiated with this RoCE type as default. 21045959dbSMatan Barak The possible RoCE types are either "IB/RoCE v1" or "RoCE v2". 22045959dbSMatan Barak This parameter has RW access. 23*89052d78SMajd Dibbiny 24*89052d78SMajd DibbinyWhat: /config/rdma_cm/<hca>/ports/<port-num>/default_roce_tos 25*89052d78SMajd DibbinyDate: February 7, 2017 26*89052d78SMajd DibbinyKernelVersion: 4.11.0 27*89052d78SMajd DibbinyDescription: RDMA-CM QPs from HCA <hca> at port <port-num> 28*89052d78SMajd Dibbiny will be created with this TOS as default. 29*89052d78SMajd Dibbiny This can be overridden by using the rdma_set_option API. 30*89052d78SMajd Dibbiny The possible RoCE TOS values are 0-255. 31