ibv_create_ah_from_wc(3) — Linux manual page

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | NOTES | SEE ALSO | AUTHORS | COLOPHON

IBV_CREATE_AH_FROM_WC(3)ibverbs Programmer's Manual_CREATE_AH_FROM_WC(3)

NAME         top

       ibv_init_ah_from_wc, ibv_create_ah_from_wc - initialize or create
       an address handle (AH) from a work completion

SYNOPSIS         top

       #include <infiniband/verbs.h>

       int ibv_init_ah_from_wc(struct ibv_context *context, uint8_t port_num,
                               struct ibv_wc *wc, struct ibv_grh *grh,
                               struct ibv_ah_attr *ah_attr);

       struct ibv_ah *ibv_create_ah_from_wc(struct ibv_pd *pd,
                                            struct ibv_wc *wc,
                                            struct ibv_grh *grh,
                                            uint8_t port_num);

DESCRIPTION         top

       ibv_init_ah_from_wc() initializes the address handle (AH)
       attribute structure ah_attr for the RDMA device context context
       using the port number port_num, using attributes from the work
       completion wc and the Global Routing Header (GRH) structure grh.

       ibv_create_ah_from_wc() creates an AH associated with the
       protection domain pd using the port number port_num, using
       attributes from the work completion wc and the Global Routing
       Header (GRH) structure grh.

RETURN VALUE         top

       ibv_init_ah_from_wc() returns 0 on success, and -1 on error.

       ibv_create_ah_from_wc() returns a pointer to the created AH, or
       NULL if the request fails.

NOTES         top

       The filled structure ah_attr returned from ibv_init_ah_from_wc()
       can be used to create a new AH using ibv_create_ah().

SEE ALSO         top

       ibv_open_device(3), ibv_alloc_pd(3), ibv_create_ah(3),
       ibv_destroy_ah(3), ibv_poll_cq(3)

AUTHORS         top

       Dotan Barak <dotanba@gmail.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
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       (which is not part of the original manual page), send a mail to
       man-pages@man7.org

libibverbs                     2006-10-31       IBV_CREATE_AH_FROM_WC(3)

Pages that refer to this page: ibv_alloc_pd(3)ibv_create_ah(3)