InfiniBand support

modulename:  ib_core.ko

configname: CONFIG_INFINIBAND

Linux Kernel Configuration
└─>Device Drivers
└─>InfiniBand support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Core support for InfiniBand (IB). Make sure to also select
any protocols you wish to use as well as drivers for your
InfiniBand hardware.

source code:
drivers/infiniband/core/