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.TH "IBV_INC_RKEY" "3" "2015\-01\-29" "libibverbs" "Libibverbs Programmer's Manual"
.hy
.SH NAME
.PP
ibv_inc_rkey \- creates a new rkey from the given one
.SH SYNOPSIS
.IP
.nf
\f[C]
#include\ <infiniband/verbs.h>

uint32_t\ ibv_inc_rkey(uint32_t\ rkey);
\f[]
.fi
.SH DESCRIPTION
.PP
\f[B]ibv_inc_rkey()\f[] Increases the 8 LSB of \f[I]rkey\f[] and returns
the new value.
.SH RETURN VALUE
.PP
\f[B]ibv_inc_rkey()\f[] returns the new rkey.
.SH NOTES
.PP
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.
.SH AUTHORS
.PP
Majd Dibbiny <majd@mellanox.com>, Yishai Hadas <yishaih@mellanox.com>