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ibv_set_ece - set ECE options and use them for QP configuration stage.
Contents
Arguments
qp The queue pair (QP) associated with the ECE options.
## ece Argument
The requested ECE values. This is IN/OUT field, the accepted options will be returned in this
field.
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 or needed to be enabled by ECE users.
comp_mask
Bitmask specifying what fields in the structure are valid.
Description
ibv_set_ece() set ECE options and use them for QP configuration stage.
The desired ECE options will be used during various modify QP stages based on supported options in
relevant QP state.
Name
ibv_set_ece - set ECE options and use them for QP configuration stage.
Return Value
ibv_set_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.
See Also
ibv_query_ece(3),
Synopsis
#include <infiniband/verbs.h>
int ibv_set_ece(struct ibv_qp *qp, struct ibv_ece *ece);
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