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NAME | SYNOPSIS | DESCRIPTION | ARGUMENTS | RETURN VALUE | SEE ALSO | AUTHOR | COLOPHON |
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IBV_QUERY_ECE(3) Libibverbs Programmer’s Manual IBV_QUERY_ECE(3)
ibv_query_ece - query ECE options.
#include <infiniband/verbs.h>
int ibv_query_ece(struct ibv_qp *qp, struct ibv_ece *ece);
ibv_query_ece() query ECE options.
Return to the user current ECE state for the QP.
qp The queue pair (QP) associated with the ECE options.
## ece Argument
The ECE values.
struct ibv_ece {
uint32_t vendor_id;
uint32_t options;
uint32_t comp_mask;
};
vendor_id
Unique identifier of the provider vendor on the network.
The providers will set IEEE OUI here to distinguish itself
in non-homogenius network.
options
Provider specific attributes which are supported.
comp_mask
Bitmask specifying what fields in the structure are valid.
ibv_query_ece() returns 0 when the call was successful, or the
errno value which indicates the failure reason.
EOPNOTSUPP
libibverbs or provider driver doesn’t support the
ibv_set_ece() verb.
EINVAL In one of the following: o The QP is invalid. o The ECE
options are invalid.
ibv_set_ece(3),
Leon Romanovsky ⟨[email protected]⟩
This page is part of the rdma-core (RDMA Core Userspace Libraries
and Daemons) project. Information about the project can be found
at ⟨https://github.com/linux-rdma/rdma-core⟩. If you have a bug
report for this manual page, send it to
[email protected]. This page was obtained from the
project's upstream Git repository
⟨https://github.com/linux-rdma/rdma-core.git⟩ on 2025-08-11. (At
that time, the date of the most recent commit that was found in
the repository was 2025-08-04.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
libibverbs 2020-01-22 IBV_QUERY_ECE(3)
Pages that refer to this page: ibv_set_ece(3)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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