RDMA_SET_OPTION(3) Librdmacm Programmer's Manual RDMA_SET_OPTION(3)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 relevent header files.
SEE ALSO rdma_create_id(3)librdmacm 2007-08-06 RDMA_SET_OPTION(3)
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RDMA_MIGRATE_ID(3) Librdmacm Programmer's Manual RDMA_MIGRATE_ID(3)NAME
rdma_migrate_id - Move a communication identifer to a different event channel.
SYNOPSIS
#include <rdma/rdma_cma.h>
int rdma_migrate_id (struct rdma_cm_id *id, struct rdma_event_channel *channel);
ARGUMENTS
id An existing communication identifier to migrate.
channel The communication channel that events associated with the allocated rdma_cm_id will be reported on. May be NULL.
DESCRIPTION
Migrates a communication identifier to a different event channel.
RETURN VALUE
Returns 0 on success, or -1 on error. If an error occurs, errno will be set to indicate the failure reason.
NOTES
This routine migrates a communication identifier to the specified event channel and moves any pending events associated with the rdma_cm_id
to the new channel. Users should not poll for events on the rdma_cm_id's current event channel or invoke other routines on the rdma_cm_id
while migrating between channels. This call will block while there are any unacknowledged events on the current event channel.
If the channel parameter is NULL, the specified rdma_cm_id will be placed into synchronous operation mode. All calls on the id will block
until the operation completes.
SEE ALSO rdma_cm(7), rdma_create_event_channel(3), rdma_create_id(3), rdma_get_cm_event(3)librdmacm 2007-11-13 RDMA_MIGRATE_ID(3)
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