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IBV_CREATE_AH_FROM_WC(3)Libibverbs Programmer's ManualIBV_CREATE_AH_FROM_WC(3)

NAME
       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)

AUTHORS
       Dotan Barak <dotanba@gmail.com>

libibverbs			  2006-10-31	      IBV_CREATE_AH_FROM_WC(3)

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