IBV_SET_ECE - Online Linux Manual PageSection : 3
Updated : 2020-01-22
Source : libibverbs
Note : Libibverbs Programmer’s Manual
NAMEibv_set_ece - set ECE options and use them for QP configuration stage.
SYNOPSIS
#include <infiniband/verbs.h>
int ibv_set_ece(struct ibv_qp *qp, struct ibv_ece *ece);
DESCRIPTIONibv_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.
ARGUMENTSqp 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.
RETURN VALUEibv_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 ALSOibv_query_ece(3),
AUTHORLeon Romanovsky <leonro@mellanox.com> 0
Johanes Gumabo
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