RDMA_NOTIFY(3) Librdmacm Programmer's Manual RDMA_NOTIFY(3)NAME
rdma_notify - Notifies the librdmacm of an asynchronous event.
int rdma_notify (struct rdma_cm_id *id, enum ibv_event_type event);
id RDMA identifier.
event Asynchronous event.
Used to notify the librdmacm of asynchronous events that have occurred on a QP associated with the rdma_cm_id.
Returns 0 on success, or -1 on error. If an error occurs, errno will be set to indicate the failure reason. If errno is set to EISCONN
(transport endpoint is already connected), this indicates that the the underlying communication manager established the connection before
the call to rdma_notify could be processed. In this case, the error may safely be ignored.
Asynchronous events that occur on a QP are reported through the user's device event handler. This routine is used to notify the librdmacm
of communication events. In most cases, use of this routine is not necessary, however if connection establishment is done out of band
(such as done through Infiniband), it's possible to receive data on a QP that is not yet considered connected. This routine forces the
connection into an established state in this case in order to handle the rare situation where the connection never forms on its own. Call-
ing this routine ensures the delivery of the RDMA_CM_EVENT_ESTABLISHED event to the application. Events that should be reported to the CM
SEE ALSO rdma_connect(3), rdma_accept(3), rdma_listen(3)librdmacm 2007-05-15 RDMA_NOTIFY(3)
Check Out this Related Man Page
RDMA_GET_REQUEST(3) Librdmacm Programmer's Manual RDMA_GET_REQUEST(3)NAME
rdma_get_request - Retrieves the next pending connection request event.
int rdma_get_request (struct rdma_cm_id *listen, struct rdma_cm_id **id);
listen Listening rdma_cm_id.
id rdma_cm_id associated with the new connection.
Retrieves a connection request event. If no requests are pending, the call will block until an event is received.
Returns 0 on success, or -1 on error. If an error occurs, errno will be set to indicate the failure reason.
This call may only be used on listening rdma_cm_id's operating synchronously. On success, a new rdma_cm_id representing the connection
request will be returned to the user. The new rdma_cm_id will reference event information associated with the request until the user calls
rdma_reject, rdma_accept, or rdma_destroy_id on the newly created identifier. For a description of the event data, see rdma_get_cm_event.
If QP attributes are associated with the listening endpoint, the returned rdma_cm_id will also reference an allocated QP.
SEE ALSO rdma_get_cm_event(3), rdma_accept(3), rdma_reject(3), rdma_connect(3), rdma_listen(3), rdma_destroy_id(3)librdmacm 2007-10-31 RDMA_GET_REQUEST(3)
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