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📄 ibv_create_ah_from_wc.3(1.85 KB)
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📄 ibv_open_xrcd.3(2.02 KB)
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Editing: ibv_create_ah_from_wc.3

.\" -*- nroff -*-
.\" Licensed under the OpenIB.org BSD license (FreeBSD Variant) - See COPYING.md
.\"
.TH IBV_CREATE_AH_FROM_WC 3 2006-10-31 libibverbs "Libibverbs Programmer's Manual"
.SH "NAME"
ibv_init_ah_from_wc, ibv_create_ah_from_wc \- initialize or create an
address handle (AH) from a work completion
.SH "SYNOPSIS"
.nf
.B #include <infiniband/verbs.h>
.sp
.BI "int ibv_init_ah_from_wc(struct ibv_context " "*context" ", uint8_t " "port_num" ,
.BI "                        struct ibv_wc " "*wc" ", struct ibv_grh " "*grh" ,
.BI "                        struct ibv_ah_attr " "*ah_attr" );
.sp
.BI "struct ibv_ah *ibv_create_ah_from_wc(struct ibv_pd " "*pd" ,
.BI "                                     struct ibv_wc " "*wc" ,
.BI "                                     struct ibv_grh " "*grh" ,
.BI "                                     uint8_t " "port_num" );
.fi
.SH "DESCRIPTION"
.B ibv_init_ah_from_wc()
initializes the address handle (AH) attribute structure
.I ah_attr
for the RDMA device context
.I context
using the port number
.I port_num\fR,
using attributes from the work completion
.I wc
and the Global Routing Header (GRH) structure
.I grh\fR.
.PP
.B ibv_create_ah_from_wc()
creates an AH associated with the protection domain
.I pd
using the port number
.I port_num\fR,
using attributes from the work completion
.I wc
and the Global Routing Header (GRH) structure
.I grh\fR.
.SH "RETURN VALUE"
.B ibv_init_ah_from_wc()
returns 0 on success, and \-1 on error.
.PP
.B ibv_create_ah_from_wc()
returns a pointer to the created AH, or NULL if the request fails.
.SH "NOTES"
The filled structure
.I ah_attr
returned from
.B ibv_init_ah_from_wc()
can be used to create a new AH using
.B ibv_create_ah()\fR.
.SH "SEE ALSO"
.BR ibv_open_device (3),
.BR ibv_alloc_pd (3),
.BR ibv_create_ah (3),
.BR ibv_destroy_ah (3),
.BR ibv_poll_cq (3)
.SH "AUTHORS"
.TP
Dotan Barak <dotanba@gmail.com>

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Editing: ibv_create_ah_from_wc.3

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