freebsd-skq/lib/librpcsec_gss/rpc_gss_svc_max_data_length.3

65 lines
2.3 KiB
Groff

.\" Copyright (c) 2008 Isilon Inc http://www.isilon.com/
.\" Authors: Doug Rabson <dfr@rabson.org>
.\" Developed with Red Inc: Alfred Perlstein <alfred@FreeBSD.org>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.Dd January 26, 2010
.Dt RPC_GSS_SVC_MAX_DATA_LENGTH 3
.Os
.Sh NAME
.Nm rpc_gss_svc_max_data_length
.Nd "calculate maximum data size"
.Sh LIBRARY
.Lb librpcsec_gss
.Sh SYNOPSIS
.In rpc/rpcsec_gss.h
.Ft int
.Fn rpc_gss_svc_max_data_length "struct svc_req *req" "int max_tp_unit_len"
.Sh DESCRIPTION
Calculate the maximum message size that will fit into a packet of size
.Fa max_tp_unit_len ,
given the current service and QoP setting.
.Sh PARAMETERS
.Bl -tag -width ".It max_tp_unit_len"
.It req
An RPC request
.It max_tp_unit_len
Maximum packet size of the underlying transport protocol
.El
.Sh RETURN VALUES
The maximum message size that can be encoded
.Sh SEE ALSO
.Xr rpc 3 ,
.Xr gssapi 3 ,
.Xr rpcset_gss 3
.Sh HISTORY
The
.Nm
function first appeared in
.Fx 8.0 .
.Sh AUTHORS
This
manual page was written by
.An Doug Rabson Aq dfr@FreeBSD.org .