ibv_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);Description
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
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
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
ibv_open_device(3), ibv_alloc_pd(3), ibv_create_ah(3), ibv_destroy_ah(3), ibv_poll_cq(3)
Referenced By
ibv_alloc_pd(3), ibv_create_ah(3).
The man page ibv_init_ah_from_wc(3) is an alias of ibv_create_ah_from_wc(3).