ibv_inc_rkey - creates a new rkey from the given one
 "SYNOPSIS"
 #include <infiniband/verbs.h>  "uint32_t ibv_inc_rkey(uint32_t " "rkey" "); 
 "DESCRIPTION"
 ibv_inc_rkey() Increases the 8 LSB of
 rkey and returns the new value.

 "RETURN VALUE"
 ibv_inc_rkey() returns the new rkey.
 "NOTES"

The verb generates a new rkey that is different from the previous one on its tag part
but has the same index (bits 0xffffff00).
A use case for this verb can be to create a new rkey from a Memory window's rkey
when binding it to a Memory region.
 "AUTHORS"

Majd Dibbiny <majd@mellanox.com>

Yishai Hadas <yishaih@mellanox.com>