date: 2018-12-31 footer: librdmacm header: "Librdmacm Programmer's Manual" layout: page license: 'Licensed under the OpenIB.org BSD license (FreeBSD Variant) - See COPYING.md' section: 3 title: RDMA_INIT_QP_ATTR

NAME

rdma_init_qp_attr - Returns qp attributes of a rdma_cm_id.

SYNOPSIS

#include <rdma/rdma_cma.h>

int rdma_init_qp_attr(struct rdma_cm_id *id,
               struct ibv_qp_attr *qp_attr,
               int *qp_attr_mask);

DESCRIPTION

rdma_init_qp_attr() returns qp attributes of a rdma_cm_id.

Information about qp attributes and qp attributes mask is returned through the qp_attr and qp_attr_mask parameters.

For details on the qp_attr structure, see ibv_modify_qp.

ARGUMENTS

id

RDMA identifier.

qp_attr

A reference to a qp attributes struct containing response information.

qp_attr_mask

A reference to a qp attributes mask containing response information.

RETURN VALUE

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

SEE ALSO

rdma_cm(7), ibv_modify_qp(3)

AUTHOR

Danit Goldberg danitg@mellanox.com