'\" t
.\"     Title: ieee80211_rts_duration
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: The basic mac80211 driver interface
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "IEEE80211_RTS_DURATI" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "The basic mac80211 driver inte"
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.SH "NAME"
ieee80211_rts_duration \- Get the duration field for an RTS frame
.SH "SYNOPSIS"
.HP \w'__le16\ ieee80211_rts_duration('u
.BI "__le16 ieee80211_rts_duration(struct\ ieee80211_hw\ *\ " "hw" ", struct\ ieee80211_vif\ *\ " "vif" ", size_t\ " "frame_len" ", const\ struct\ ieee80211_tx_info\ *\ " "frame_txctl" ");"
.SH "ARGUMENTS"
.PP
\fIhw\fR
.RS 4
pointer obtained from
\fBieee80211_alloc_hw\fR\&.
.RE
.PP
\fIvif\fR
.RS 4
struct ieee80211_vif
pointer from the add_interface callback\&.
.RE
.PP
\fIframe_len\fR
.RS 4
the length of the frame that is going to be protected by the RTS\&.
.RE
.PP
\fIframe_txctl\fR
.RS 4
struct ieee80211_tx_info
of the frame\&.
.RE
.SH "DESCRIPTION"
.PP
If the RTS is generated in firmware, but the host system must provide the duration field, the low\-level driver uses this function to receive the duration field value in little\-endian byteorder\&.
.SH "RETURN"
.PP
The duration\&.
.SH "AUTHOR"
.PP
\fBJohannes Berg\fR <\&johannes@sipsolutions.net\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br