InfiniBand userspace MAD support

modulename:  ib_umad.ko

configname: CONFIG_INFINIBAND_USER_MAD

Linux Kernel Configuration
└─>Device Drivers
└─>InfiniBand support
└─>InfiniBand userspace MAD support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Userspace InfiniBand Management Datagram (MAD) support. This
is the kernel side of the userspace MAD support, which allows
userspace processes to send and receive MADs. You will also
need libibumad from rdma-core
<https://github.com/linux-rdma/rdma-core>.

source code: