1IBV_SET_ECE(3)          Libibverbs Programmer’s Manual          IBV_SET_ECE(3)
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NAME

6       ibv_set_ece - set ECE options and use them for QP configuration stage.
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SYNOPSIS

9              #include <infiniband/verbs.h>
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11              int ibv_set_ece(struct ibv_qp *qp, struct ibv_ece *ece);
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DESCRIPTION

14       ibv_set_ece() set ECE options and use them for QP configuration stage.
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16       The  desired  ECE  options will be used during various modify QP stages
17       based on supported options in relevant QP state.
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ARGUMENTS

20       qp     The queue pair (QP) associated with the ECE options.
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22       ## ece Argument
23              The requested ECE values.  This is IN/OUT  field,  the  accepted
24              options will be returned in this field.
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26              struct ibv_ece {
27                  uint32_t vendor_id;
28                  uint32_t options;
29                  uint32_t comp_mask;
30              };
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32       vendor_id
33              Unique  identifier  of  the provider vendor on the network.  The
34              providers will set IEEE OUI here to distinguish itself  in  non-
35              homogenius network.
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37       options
38              Provider specific attributes which are supported or needed to be
39              enabled by ECE users.
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41       comp_mask
42              Bitmask specifying what fields in the structure are valid.
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RETURN VALUE

45       ibv_set_ece() returns 0 when the call was successful, or the errno val‐
46       ue which indicates the failure reason.
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48       EOPNOTSUPP
49              libibverbs  or provider driver doesn’t support the ibv_set_ece()
50              verb.
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52       EINVAL In one of the following: o The QP is invalid.  o The ECE options
53              are invalid.
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SEE ALSO

56       ibv_query_ece(3),
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AUTHOR

59       Leon Romanovsky <leonro@mellanox.com>
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63libibverbs                        2020-01-22                    IBV_SET_ECE(3)