установите параметры связи для rdma_cm_id (Set communication options for an rdma_cm_id.)
Имя (Name)
rdma_set_option - Set communication options for an rdma_cm_id.
Синопсис (Synopsis)
#include <rdma/rdma_cma.h>
int rdma_set_option (struct rdma_cm_id *id, int level, int
optname, void *optval, size_t optlen);
Аргументы (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.
Описание (Description)
Sets communication options for an rdma_cm_id. This call is used
to override the default system settings.
optname can be one of
RDMA_OPTION_ID_TOS
Specify the quality of service provided by a
connection. The expected optlen is size of uint8_t.
RDMA_OPTION_ID_REUSEADDR
Bound the rdma_cm_id to a reuseable address. This
will allow other users to bind to that same address.
The expected optlen is size of int.
RDMA_OPTION_ID_AFONLY
Set IPV6_V6ONLY socket. The expected optlen is size
of int.
RDMA_OPTION_IB_PATH
Set IB path record data. The expected optlen is size
of struct ibv_path_data[].
RDMA_OPTION_ID_ACK_TIMEOUT
Set QP ACK timeout. The value calculated according
to the formula 4.096 * 2^(ack_timeout) usec.
Возвращаемое значение (Return value)
Returns 0 on success, or -1 on error. If an error occurs, errno
will be set to indicate the failure reason.
Примечание (Note)
Option details may be found in the relevant header files.
Смотри также (See also)
rdma_create_id(3)
