зарегистрируйте указанный класс управления и версию для порта (register the specified management class and version for port)
Имя (Name)
umad_register2 - register the specified management class and
version for port
Синопсис (Synopsis)
#include <infiniband/umad.h>
int umad_register2(int port_fd, struct umad_reg_attr *attr, uint32_t *agent_id);
Описание (Description)
umad_register2() registers for a MAD agent using the provided
registration attributes
port_fd the port on which to register the agent
attr The registration attributes as defined by the structure
passed. See below for details of this structure.
agent_id returned on success. agent_id identifies the kernel MAD
agent a MAD is received by or to be sent by. agent_id is
returned in the umad header "struct ib_user_mad" on recv and
specified in umad_send when sending.
REGISTRATION ATTRIBUTE STRUCTURE
struct umad_reg_attr {
uint8_t mgmt_class;
uint8_t mgmt_class_version;
uint32_t flags;
uint64_t method_mask[2];
uint32_t oui;
uint8_t rmpp_version;
};
mgmt_class
Management class to register for.
mgmt_class_version
Management class version to register for.
flags
Registration flags. If a flag specified is not supported by the kernel,
an error is returned, and the supported flags are returned in this field.
Current flags are:
UMAD_USER_RMPP -- flag to indicate the kernel should not process
RMPP packets. All RMPP packets will be treated like individual
MADs. The user is responsible for implementing the RMPP
protocol.
method_mask
A bit mask which indicates which unsolicited methods this agent should
receive. Setting this array to 0 will result in the agent only
receiving response MADs for which a request was sent.
oui
The oui (in host order) to use for vendor classes 0x30 - 0x4f.
Otherwise ignored.
rmpp_version
If the class supports RMPP and kernel RMPP is enabled (the default)
indicate which rmpp_version to use.
Возвращаемое значение (Return value)
umad_register2() returns 0 on success and +ERRNO on failure.
Смотри также (See also)
umad_unregister(3)
