IBV_QUERY_ECE - Online Linux Manual PageSection : 3
Updated : 2020-01-22
Source : libibverbs
Note : Libibverbs Programmer’s Manual

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NAMEibv_query_ece - query ECE options.

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SYNOPSIS #include <infiniband/verbs.h> int ibv_query_ece(struct ibv_qp *qp, struct ibv_ece *ece);

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DESCRIPTIONibv_query_ece() query ECE options. Return to the user current ECE state for the QP.

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ARGUMENTSqp  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.

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RETURN VALUEibv_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.

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SEE ALSOibv_set_ece(3),

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AUTHORLeon Romanovsky <leonro@mellanox.com> 0

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Johanes Gumabo

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