'\" t
.\"     Title: cfg80211_check_combinations
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Device registration
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "CFG80211_CHECK_COMBI" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Device registration"
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.SH "NAME"
cfg80211_check_combinations \- check interface combinations
.SH "SYNOPSIS"
.HP \w'int\ cfg80211_check_combinations('u
.BI "int cfg80211_check_combinations(struct\ wiphy\ *\ " "wiphy" ", const\ int\ " "num_different_channels" ", const\ u8\ " "radar_detect" ", const\ int\ " "iftype_num[NUM_NL80211_IFTYPES]" ");"
.SH "ARGUMENTS"
.PP
\fIwiphy\fR
.RS 4
the wiphy
.RE
.PP
\fInum_different_channels\fR
.RS 4
the number of different channels we want to use for verification
.RE
.PP
\fIradar_detect\fR
.RS 4
a bitmap where each bit corresponds to a channel width where radar detection is needed, as in the definition of
struct ieee80211_iface_combination\&.\fIradar_detect_widths\fR
.RE
.PP
\fIiftype_num[NUM_NL80211_IFTYPES]\fR
.RS 4
array with the numbers of interfaces of each interface type\&. The index is the interface type as specified in
enum
nl80211_iftype\&.
.RE
.SH "DESCRIPTION"
.PP
This function can be called by the driver to check whether a combination of interfaces and their types are allowed according to the interface combinations\&.
.SH "AUTHOR"
.PP
\fBJohannes Berg\fR <\&johannes@sipsolutions.net\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br