NAME

       rdma_set_option - Set communication options for an rdma_cm_id.

SYNOPSIS

       #include <rdma/rdma_cma.h>

       int  rdma_set_option  (struct rdma_cm_id *id, int level, int optname, void *optval, size_t
       optlen);

ARGUMENTS

       id          RDMA identifier.

       level       Protocol level of the option to set.

       optname     Name of the option, relative to the level, to set.

       optval      Reference to the option data.  The data is dependent on the level and optname.

       optlen      The size of the %optval buffer.

DESCRIPTION

       Sets communication options for an rdma_cm_id.  This call is used to override  the  default
       system settings.

RETURN VALUE

       Returns  0  on success, or -1 on error.  If an error occurs, errno will be set to indicate
       the failure reason.

NOTES

       Option details may be found in the relevant header files.

SEE ALSO

       rdma_create_id(3)