rdma_set_option (3) Linux Manual Page
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 relevent header files.