SMB Direct support

configname: CONFIG_CIFS_SMB_DIRECT

Linux Kernel Configuration
└─>File systems
└─>Network File Systems
└─>SMB Direct support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enables SMB Direct support for SMB 3.0, 3.02 and 3.1.1.
SMB Direct allows transferring SMB packets over RDMA. If unsure,
say Y.