IBV_CREATE_AH_FROM_WC - Online Linux Manual PageSection : 3
Updated : 2006-10-31
Source : libibverbs
Note : Libibverbs Programmer's Manual
NAMEibv_init_ah_from_wc, ibv_create_ah_from_wc − initialize or create an address handle (AH) from a work completion
SYNOPSIS#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);
DESCRIPTIONibv_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 VALUEibv_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.
NOTESThe filled structure ah_attr returned from ibv_init_ah_from_wc() can be used to create a new AH using ibv_create_ah().
SEE ALSOibv_open_device(3), ibv_alloc_pd(3), ibv_create_ah(3), ibv_destroy_ah(3), ibv_poll_cq(3)
AUTHORSDotan Barak <dotanba@gmail.com> 0
Johanes Gumabo
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