NAME

       ibv_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);

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 rele‐
       vant QP state.

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.

RETURN VALUE

       ibv_set_ece() returns 0 when the call was successful, or the errno value which indicates the failure rea‐
       son.

       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),

AUTHOR

       Leon Romanovsky <leonro@mellanox.com>

libibverbs                                         2020-01-22                                     IBV_SET_ECE(3)