NAME

       rdma_post_sendv - post a work request to send a message.

SYNOPSIS

       #include <rdma/rdma_verbs.h>

       int rdma_post_sendv (struct rdma_cm_id *id, void *context, struct ibv_sge *slg, int nsge, int flags);

ARGUMENTS

       id          A reference to a communication identifier where the message buffer will be posted.

       context     User-defined context associated with the request.

       slg         A scatter-gather list of memory buffers posted as a single request.

       nsge        The number of scatter-gather entries in the slg array.

       flags       Optional flags used to control the send operation.

DESCRIPTION

       Posts a work request to the send queue of the queue pair associated with the rdma_cm_id.  The contents of
       the posted buffers will be sent to the remote peer of a connection.

RETURN VALUE

       Returns  0  on  success,  or  -1 on error.  If an error occurs, errno will be set to indicate the failure
       reason.

NOTES

       The user is responsible for ensuring that the remote peer has queued a receive request before issuing the
       send operations.  For a list of supported flags, see ibv_post_send.  Unless the  send  request  is  using
       inline  data,  the  message  buffers  must have been registered before being posted, and the buffers must
       remain registered until the send completes.

       Send operations may not be posted to an rdma_cm_id or the corresponding queue  pair  until  it  has  been
       connected.

       The  user-defined  context associated with the send request will be returned to the user through the work
       completion wr_id, work request identifier, field.

SEE ALSO

       rdma_cm(7), rdma_connect(3), rdma_accept(3), ibv_post_send(3), rdma_post_send(3), rdma_post_recv(3)

librdmacm                                          2010-07-19                                 RDMA_POST_SENDV(3)