ibv_create_rwq_ind_table(3) — Linux manual page


CREATE_RWQ_IND_TBL(3)Libibverbs Programmer's ManualCREATE_RWQ_IND_TBL(3)

NAME         top

       ibv_create_rwq_ind_table, ibv_destroy_rwq_ind_table  - create or
       destroy a Receive Work Queue Indirection Table (RWQ IND TBL).

SYNOPSIS         top

       #include <infiniband/verbs.h>

       struct ibv_rwq_ind_table *ibv_create_rwq_ind_table(struct ibv_context *context,
                                                                  struct ibv_rwq_ind_table_init_attr *init_attr);

       int ibv_destroy_rwq_ind_table(struct ibv_rwq_ind_table *rwq_ind_table);

DESCRIPTION         top

       ibv_create_rwq_ind_table() creates a RWQ IND TBL associated with
       the ibv_context context.  The argument init_attr is an
       ibv_rwq_ind_table_init_attr struct, as defined in

       struct ibv_rwq_ind_table_init_attr {
               uint32_t        log_ind_tbl_size;     /* Log, base 2, of Indirection table size */
               struct          ibv_wq **ind_tbl;     /* Each entry is a pointer to Receive Work Queue */
               uint32_t        comp_mask;            /* Identifies valid fields. Use ibv_ind_table_init_attr_mask */

       The function ibv_create_rwq_ind_table() will create a RWQ IND TBL
       that holds a table of Receive Work Queue.  For further usage of
       the created object see below NOTES.

       ibv_destroy_rwq_ind_table() destroys the RWQ IND TBL

RETURN VALUE         top

       ibv_create_rwq_ind_table() returns a pointer to the created RWQ
       IND TBL, or NULL if the request fails.

       ibv_destroy_rwq_ind_table() returns 0 on success, or the value of
       errno on failure (which indicates the failure reason).

NOTES         top

       The created object should be used as part of ibv_create_qp_ex()
       to enable dispatching of incoming packets based on some RX hash

SEE ALSO         top

       ibv_create_wq(3), ibv_modify_wq(3), ibv_create_qp_ex(3),

AUTHORS         top

       Yishai Hadas <yishaih@mellanox.com>

COLOPHON         top

       This page is part of the rdma-core (RDMA Core Userspace Libraries
       and Daemons) project.  Information about the project can be found
       at ⟨https://github.com/linux-rdma/rdma-core⟩.  If you have a bug
       report for this manual page, send it to
       linux-rdma@vger.kernel.org.  This page was obtained from the
       project's upstream Git repository
       ⟨https://github.com/linux-rdma/rdma-core.git⟩ on 2021-08-27.  (At
       that time, the date of the most recent commit that was found in
       the repository was 2021-08-18.)  If you discover any rendering
       problems in this HTML version of the page, or you believe there
       is a better or more up-to-date source for the page, or you have
       corrections or improvements to the information in this COLOPHON
       (which is not part of the original manual page), send a mail to

libibverbs                     2016-07-27          CREATE_RWQ_IND_TBL(3)

Pages that refer to this page: ibv_create_qp_ex(3)