1319 lines
44 KiB
Groff
1319 lines
44 KiB
Groff
.\"-
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.\" Copyright (c) 2009 Sam Leffler, Errno Consulting
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.\" All rights reserved.
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.\""
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer,
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.\" without modification.
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.\" 2. Redistributions in binary form must reproduce at minimum a disclaimer
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.\" similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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.\" redistribution must be conditioned upon including a substantially
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.\" similar Disclaimer requirement for further binary redistribution.
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.\"
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.\" NO WARRANTY
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.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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.\" LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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.\" AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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.\" THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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.\" OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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.\" IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" THE POSSIBILITY OF SUCH DAMAGES.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd July 10, 2009
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.Dt NET80211 4
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.Os
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.Sh NAME
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.Nm net80211
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.Nd standard interface to IEEE 802.11 devices
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.Sh SYNOPSIS
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.In sys/types.h
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.In sys/socket.h
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.In net/if.h
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.In net/ethernet.h
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.In net80211/ieee80211_ioctl.h
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.Sh DESCRIPTION
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This section describes the standard programming
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interface to configure and retrieve status information
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for IEEE 802.11 devices that depend on the
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.Xr wlan 4
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module for operation.
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The interface is via one
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of the following
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.Xr ioctl 2
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calls on a socket:
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.Bl -tag -width ".Dv SIOCG80211"
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.It Dv SIOCG80211
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Get configuration or status information.
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.It Dv SIOCS80211
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Set configuration information.
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.El
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.Pp
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These requests are made via a modified
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.Vt ifreq
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structure.
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This structure is defined as follows:
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.Bd -literal
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struct ieee80211req {
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char i_name[IFNAMSIZ]; /* if_name, e.g. "wi0" */
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u_int16_t i_type; /* req type */
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int16_t i_val; /* Index or simple value */
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int16_t i_len; /* Index or simple value */
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void *i_data; /* Extra data */
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};
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.Ed
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.Pp
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Requests that are not supported by the underlying device return
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-1 and set the global variable errno to
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.Er EOPNOTSUPP .
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.Dv SIOCG80211
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requests that return data to an application place small values in
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.Va i_val
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or in a user-specified buffer pointed to by
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.Va i_data .
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When an indirect buffer is used
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.Va i_len
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specifies how large the indirect buffer is and on return it is set by the
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system to the actual amount of data returned.
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.Dv SIOCS80211
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requests use a similar scheme with data passed to the system taken either
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from
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.Va i_val
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or an indirect buffer pointed to by
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.Va i_data .
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.Pp
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For
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.Dv SIOCG80211
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the following values of
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.Va i_type
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are valid:
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.Bl -tag -width indent
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.It Dv IEEE80211_IOC_AMPDU
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Return whether or not AMPDU is enabled in
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.Va i_val .
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AMPDU is an aggregation scheme that is part of the 802.11n specification
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and is used only when operating on an HT channel.
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The value returned is one of:
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0 (AMPDU disabled),
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1 (AMPDU enabled for transmit),
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2 (AMPDU enabled for receive),
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and
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3 (AMPDU enabled for transmit and receive).
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The 802.11n specification says a compliant station must receive AMPDU but
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may not support transmitting AMPDU frames.
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Disabling AMPDU receive is mainly useful for testing and working around bugs.
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.It Dv IEEE80211_IOC_AMPDU_DENSITY
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Return the minimum density for bursting AMPDU frames in
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.Va i_val .
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The value returned is one of:
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0 (no time restriction),
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1 (1/4 usec),
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2 (1/2 usec),
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3 (1 usec),
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4 (2 usec),
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5 (4 usec),
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6 (8 usec),
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and
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7 (16 usec).
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.It Dv IEEE80211_IOC_AMPDU_LIMIT
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Return the limit on the size of AMPDU frames in
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.Va i_val .
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The value returned is one of:
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0 (8 kilobytes),
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1 (16 kilobytes),
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2 (32 kilobytes),
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and
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3 (64 kilobytes).
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.It Dv IEEE80211_IOC_AMSDU
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Return whether or not AMSDU is enabled in
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.Va i_val .
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AMSDU is an aggregation scheme that is part of the 802.11n specification
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and is used only when operating on an HT channel.
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The value returned is one of:
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0 (AMSDU disabled),
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1 (AMSDU enabled for transmit),
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2 (AMSDU enabled for receive),
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and
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3 (AMSDU enabled for transmit and receive).
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The 802.11n specification says a compliant station must receive AMSDU but
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may not support transmitting AMSDU frames.
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Disabling AMSDU receive is mainly useful for testing and working around bugs.
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.It Dv IEEE80211_IOC_AMSDU_LIMIT
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Return the limit on the size of AMSDU frames in
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.Va i_val .
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The value returned is one of:
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3839 (bytes)
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and
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7935 (bytes).
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Note these values are specified by 802.11n; arbitrary values are not allowed.
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.It Dv IEEE80211_IOC_APBRIDGE
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Return whether AP bridging is enabled in
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.Va i_val .
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Normally packets sent between stations associated
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to the same access point are delivered without going through system layers
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that do packet filtering; when AP bridging is disabled packets are
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passed up the system to be forwarded using some other mechanism.
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This value will be non-zero when AP bridging is enabled and otherwise zero.
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.It Dv IEEE80211_IOC_APPIE
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Return an application information element via
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.Va i_data .
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Application IE's are maintained for many 802.11 frames; the
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request must identify the frame to return an IE for in
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.Va i_val .
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For example, to retrieve the IE sent in each Beacon frame
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.Va i_val
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would be set to
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.Va IEEE80211_FC0_SUBTYPE_BEACON | IEEE80211_FC0_TYPE_MGT .
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If no information element is installed then
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.Er EINVAL
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is returned.
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If the data buffer for returning data is too small to hold the information
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element the value is truncated; this permits querying the presence of
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data by requesting zero bytes of data be returned.
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.It Dv IEEE80211_IOC_AUTHMODE
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Return the current authentication mode in
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.Va i_val .
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Valid values are
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.Dv IEEE80211_AUTH_NONE
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(no authentication),
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.Dv IEEE80211_AUTH_OPEN
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(open authentication),
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.Dv IEEE80211_AUTH_SHARED
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(shared key authentication),
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.Dv IEEE80211_AUTH_8021X
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(802.1x only authentication),
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and
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.Dv IEEE80211_AUTH_WPA
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(WPA/802.11i/802.1x authentication).
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.It Dv IEEE80211_IOC_BEACON_INTERVAL
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Return the time between Beacon frames (in TU) in
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.Va i_val .
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.It Dv IEEE80211_IOC_BGSCAN
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Return whether background scanning is enabled in
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.Va i_val .
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When this value is non-zero and operating in station mode
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the station will periodically leave
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the current channel and scan for neighboring stations.
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See also
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.Dv IEEE80211_IOC_BGSCAN_IDLE
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and
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.Dv IEEE80211_IOC_BGSCAN_INTERVAL .
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.It Dv IEEE80211_IOC_BGSCAN_IDLE
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Return in
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.Va i_val
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the minimum time (msecs) a station must be idle
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(i.e. not transmitting or receiving frames)
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before it will do a background scan.
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See also
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.Dv IEEE80211_IOC_BGSCAN_INTERVAL .
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.It Dv IEEE80211_IOC_BGSCAN_INTERVAL
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Return in
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.Va i_val
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the minimum time (seconds) between background scan operations.
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See also
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.Dv IEEE80211_IOC_BGSCAN_IDLE .
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.It Dv IEEE80211_IOC_BMISSTHRESHOLD
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Return in
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.Va i_val
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the number of consecutive missed Beacon frames before the system will
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attempt to roam to a different/better access point.
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.It Dv IEEE80211_IOC_BSSID
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Return the MAC address for the current BSS identifier via
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.Va i_data .
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When the interface is running, the bssid is either the value
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configured locally (e.g. for an IBSS network started by the local station)
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or the value adopted when joing an existing network.
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For WDS interfaces this value is the address of the remote station.
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When the interface is not running, the bssid returned is the desired
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bssid, if any, that has been configured.
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.It Dv IEEE80211_IOC_BURST
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Return whether or not packet bursting is enabled in
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.Va i_val .
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If this value is non-zero then the system will try to send packets closely
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spaced to improve throughput.
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.It Dv IEEE80211_IOC_CHANINFO
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Return the set of available channels via
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.Va i_data .
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Note this data should be used by user applications to map between
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channel specifications (frequency and attributes) and IEEE channel numbers
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as user applications may not have the necessary information to do
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this directly (e.g. for 900MHz radios, operation in the Public Safety Band).
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.It Dv IEEE80211_IOC_CHANLIST
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Return the current list of usable channels via
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.Va i_data .
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The channel list is returned as a bit vector with bit N set to 1 if
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IEEE channel number N is available for use.
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.It Dv IEEE80211_IOC_CHANNEL
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Return the IEEE channel number of the current channel in
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.Va i_val .
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Note this request is deprecated; use
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.Dv IEEE80211_IOC_CURCHAN
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instead.
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.It Dv IEEE80211_IOC_COUNTERMEASURES
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Return whether TKIP Countermeasures are enabled in
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.Va i_val .
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This value will be non-zero when Countermeasures are enabled and
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otherwise zero.
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.It Dv IEEE80211_IOC_CURCHAN
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Return information for the current channel via
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.Va i_data .
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This information includes the IEEE channel number, the frequency, and
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attributes that describe the operating constraints (e.g. Passive Scan,
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DFS, usage restrictions).
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.It Dv IEEE80211_IOC_DEVCAPS
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Return device capabilities in the data buffer pointed at by
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.Va i_data .
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The buffer must be large enough to return the number of available
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channels but otherwise may be made small to limit how much information
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is returned.
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.It Dv IEEE80211_IOC_DFS
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Return whether or not Dynamic Frequency Selection (DFS) is enabled in
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.Va i_val .
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DFS embodies several facilities including detection of overlapping
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radar signals, dynamic transmit power control, and channel selection
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according to a least-congested criteria.
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DFS support is mandatory for some 5Ghz frequencies in certain
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locales (e.g. ETSI).
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By default DFS is enabled according to the regulatory definitions
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and the curent country code, regdomain, and channel.
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.It Dv IEEE80211_IOC_DOTD
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Return whether or not 802.11d support is enabled in
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.Va i_val .
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When 802.11d is enabled in station mode, Beacon frames that advertise
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a country code different than the currently configured country code will
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cause an event to be dispatched to user applications.
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This event can be used by the station to adopt that country code and
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operate according to the associated regulatory constraints.
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When operating as an access point with 802.11d enabled the Beacon and
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ProbeResponse frames transmitted will advertise the current regulatory
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domain settings.
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.It Dv IEEE80211_IOC_DOTH
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Return whether 802.11h support is enabled in
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.Va i_val .
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When 802.11h is enabled Beacon and ProbeResponse frames will have
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the SpectrumMgt bit set in the capabilities field and
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country and power constraint information elements will be present.
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802.11h support also includes handling Channel Switch Announcements (CSA)
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which are a mechanism to coordinate channel changes by an access point.
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By default 802.11h is enabled if the device is capable.
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.It Dv IEEE80211_IOC_DROPUNENCRYPTED
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Return, in
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.Va i_val ,
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whether unencrypted packets transmit/received should be discarded.
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This value will be zero if unecrypted packets will be accepted and
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non-zero if they are to be discarded.
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.It Dv IEEE80211_IOC_DTIM_PERIOD
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Return the period (in beacon intervals) between DTIM events in
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.Va i_val .
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.It Dv IEEE80211_IOC_DWDS
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Return, in
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.Va i_val ,
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whether or not Dynamic WDS support is enabled.
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Dynamic WDS is a facility by which packets may be tunneled over normal
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Infrastructure BSS associations using 4-address (WDS) frames.
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.It Dv IEEE80211_IOC_FF
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Return, in
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.Va i_val ,
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whether Atheros fast-frames support is enabled.
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Fast-frames is a non-standard protocol extension that aggregates multiple
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frames to improve throughput.
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Note that enabling fast-frames support does not guarantee use;
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the client and access point must negotiate its use.
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.It Dv IEEE80211_IOC_FRAGTHRESHOLD
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Return, in
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.Va i_val ,
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the threshold (in bytes) for enabling fragmentation frames.
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Packets larger than this value will automatically be split into multiple
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fragmented frames that are sent one after the other.
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.It Dv IEEE80211_IOC_GREENFIELD
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Return, in
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.Va i_val ,
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whether or not Greenfield preamble use is enabled.
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This setting is meaningful only when operating with 802.11n on an HT channel.
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.It Dv IEEE80211_IOC_HIDESSID
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Return, in
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.Va i_val ,
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whether SSID hiding/cloaking is enabled.
|
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SSID hiding is only meaningful when operating as an access point.
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When this is enabled Beacon frames do not include the SSID and
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ProbeRequest frames are not answered unless they include the AP's SSID.
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This value will be non-zero when SSID hiding is enabled and otherwise zero.
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.It Dv IEEE80211_IOC_HTCOMPAT
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Return, in
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.Va i_val ,
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whether or not 802.11n compatibility support is enabled.
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The 802.11n protocol specification went through several incompatible iterations.
|
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Some vendors implemented 11n support to older specifications that
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will not interoperate with a purely 11n-compliant station.
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In particular the information elements included in management frames
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for old devices are different.
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When compatibility support is enabled both standard and compatible data
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will be provided and/or accepted.
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.It Dv IEEE80211_IOC_HTCONF
|
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Return the setting for automatic promotion of HT channels in
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.Va i_val .
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Promotion happens when the system must select a channel and may choose
|
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between legacy, HT20, and HT40 operation (e.g. when scanning).
|
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Valid values are:
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0 (do not promote, use legacy),
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1 (promote to HT20),
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and
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2 (promote to HT40),
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.It Dv IEEE80211_IOC_HTPROTMODE
|
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Return, in
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.Va i_val ,
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the technique used to protect HT frames in a mixed 802.11n network.
|
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Valid values are:
|
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.Dv IEEE80211_PROTMODE_OFF
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(no protection enabled)
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and
|
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.Dv IEEE80211_PROTMODE_RTSCTS
|
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(send RTS and wait for CTS).
|
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.It Dv IEEE80211_IOC_HWMP_MAXHOPS
|
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Return the maximum acceptable hop count in an HWMP path in
|
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.Va i_val .
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.It Dv IEEE80211_IOC_HWMP_ROOTMODE
|
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Return the setting for Mesh root mode operation in
|
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.Va i_val .
|
|
Valid values are:
|
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.Dv IEEE80211_HWMP_ROOTMODE_DISABLED
|
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(root mode is disabled),
|
|
.Dv IEEE80211_HWMP_ROOTMODE_NORMAL
|
|
(send broadcast Path Request frames),
|
|
.Dv IEEE80211_HWMP_ROOTMODE_PROACTIVE
|
|
(send broadcast Path Request frames and force replies)
|
|
and
|
|
.Dv IEEE80211_HWMP_ROOTMODE_RANN
|
|
(send broadcast Root Announcement (RANN) frames).
|
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.It Dv IEEE80211_IOC_INACTIVITY
|
|
Return whether or not the system handles inactivity processing in
|
|
.Va i_val .
|
|
When inactivity processing is enabled the system will track stations
|
|
that have not trasmitted frames and periodically probe them to
|
|
check if they are still present.
|
|
Stations that are inactive and do not respond to probes are dropped.
|
|
.It Dv IEEE80211_IOC_MACCMD
|
|
Return information about the state of the MAC address
|
|
access control list (ACL) system.
|
|
There are two requests supported:
|
|
.Dv IEEE80211_MACCMD_POLICY
|
|
(to retrieve the current policy in
|
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.Va i_val ),
|
|
and
|
|
.Dv IEEE80211_MACCMD_LIST
|
|
to retrieve the list installed/active ACL's via
|
|
.Va i_data .
|
|
The
|
|
.Xr wlan_acl 4
|
|
module must be installed and enabled or
|
|
.Er EINVAL
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|
will be returned.
|
|
.It Dv IEEE80211_IOC_MESH_AP
|
|
Return whether or not Mesh AP support is enabled in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_MESH_ID
|
|
Return the Mesh ID in the buffer pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_MESH_FWRD
|
|
Return whether or not packet forwarding support is enabled in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_MESH_PP_METRIC
|
|
Return the link metric protocol in the buffer pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_MESH_PP_PATH
|
|
Return the path selection protocol in the buffer pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_MESH_RTCMD
|
|
Return information about the state of the Mesh routing tables.
|
|
One request is supported:
|
|
.Dv IEEE80211_MESH_RTCMD_LIST
|
|
to retrieve the contents of the routing table in the buffer pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_MESH_TTL
|
|
Return, in
|
|
.Va i_val ,
|
|
the Mesh Time To Live (TTL) setting installed in packets
|
|
transmitted by this mesh node.
|
|
.It Dv IEEE80211_IOC_NUMSSIDS
|
|
Return the number of SSIDs supported in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_NUMWEPKEYS
|
|
Return the number of WEP keys supported in
|
|
.Va i_val
|
|
.It Dv IEEE80211_IOC_POWERSAVE
|
|
Return the current powersaving mode in
|
|
.Va i_val .
|
|
Valid values are
|
|
.Dv IEEE80211_POWERSAVE_OFF
|
|
(power save operation is disabled)
|
|
and
|
|
.Dv IEEE80211_POWERSAVE_ON
|
|
(power save operation is enabled).
|
|
.It Dv IEEE80211_IOC_POWERSAVESLEEP
|
|
Return the powersave sleep time in TU in
|
|
.Va i_val .
|
|
This value is also termed the listen interval and represents the maximum time
|
|
a station will sleep before waking to retrieve packets buffered by
|
|
an access point.
|
|
.It Dv IEEE80211_IOC_PRIVACY
|
|
Return the current MLME setting for PRIVACY in
|
|
.Va i_val .
|
|
When PRIVACY is enabled all data packets must be encrypted.
|
|
This value will be zero if PRIVACY is disabled and
|
|
non-zero when PRIVACY is enabled.
|
|
.It Dv IEEE80211_IOC_PROTMODE
|
|
Return the current 802.11g protection mode in
|
|
.Va i_val .
|
|
Protection is the mechanism used to safeguard 802.11b stations operating
|
|
on an 802.11g network.
|
|
Valid values are
|
|
.Dv IEEE80211_PROTMODE_OFF
|
|
(no protection enabled),
|
|
.Dv IEEE80211_PROTMODE_CTS
|
|
(send CTS to yourself),
|
|
and
|
|
.Dv IEEE80211_PROTMODE_RTSCTS
|
|
(send RTS and wait for CTS).
|
|
.It Dv IEEE80211_IOC_PUREG
|
|
Return whether ``pure 11g'' mode is enabled in
|
|
.Va i_val .
|
|
This setting is meaningful only for acces point operation;
|
|
when non-zero, 802.11b stations will not be allowed to associate.
|
|
.It Dv IEEE80211_IOC_PUREN
|
|
Return whether ``pure 11n'' mode is enabled in
|
|
.Va i_val .
|
|
This setting is meaningful only for acces point operation;
|
|
when non-zero, legacy (non-11n capable) stations will not be
|
|
allowed to associate.
|
|
.It Dv IEEE80211_IOC_REGDOMAIN
|
|
Return the regulatory state in the buffer pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_RIFS
|
|
Return whether or not Reduced InterFrame Spacing (RIFS) is enabled in
|
|
.Va i_val .
|
|
This setting is meaningful only when operating with 802.11n on an HT channel.
|
|
.It Dv IEEE80211_IOC_ROAM
|
|
Return station roaming parameters in the buffer pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_ROAMING
|
|
Return the current roaming mode in
|
|
.Va i_val .
|
|
Roaming mode specifies which entity controls operation of the MLME
|
|
state machine when operating as a station in an Infrastructure BSS.
|
|
Valid values are:
|
|
.Dv IEEE80211_ROAMING_DEVICE
|
|
(driver/firmware is in control),
|
|
.Dv IEEE80211_ROAMING_AUTO
|
|
(host 802.11 layer is in control),
|
|
and
|
|
.Dv IEEE80211_ROAMING_MANUAL
|
|
(application is in control).
|
|
.It Dv IEEE80211_IOC_RTSTHRESHOLD
|
|
Return the threshold (in bytes) for enabling transmission of RTS frames in
|
|
.Va i_val .
|
|
Packets larger than this value will automatically have an RTS frame
|
|
sent preceding it to reduce the likelihood of packet loss.
|
|
.It Dv IEEE80211_IOC_SCAN_RESULTS
|
|
Return the current contents of the scan cache in the data area pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_SCANVALID
|
|
Return in
|
|
.Va i_val
|
|
how long (in seconds) results from a scan operation will be considered valid.
|
|
When scan results are no longer valid and they are needed (e.g. to roam) the
|
|
system will initiate a scan operation to replenish the scan cache.
|
|
.It Dv IEEE80211_IOC_SHORTGI
|
|
Return whether or not Short Guard Interval (SGI) is enabled in
|
|
.Va i_val .
|
|
Note SGI is only used when operating with 802.11n on an HT channel.
|
|
.It Dv IEEE80211_IOC_SMPS
|
|
Return the Spatial Multiplexing Power Save (SMPS) setting in
|
|
.Va i_val .
|
|
This setting is meaningful only when operating with 802.11n on an HT channel.
|
|
Valid values are:
|
|
.Dv IEEE80211_HTCAP_SMPS_DYNAMIC
|
|
(Dynamic SMPS is enabled),
|
|
.Dv IEEE80211_HTCAP_SMPS_ENA
|
|
(Static SMPS is enabled),
|
|
and
|
|
.Dv IEEE80211_HTCAP_SMPS_OFF
|
|
(SMPS is disabled).
|
|
.It Dv IEEE80211_IOC_SSID
|
|
Return the requested SSID in the buffer pointed to by
|
|
.Va i_data .
|
|
If
|
|
.Va i_val
|
|
is \(>= 0 then the request refers to the configured value for that slot.
|
|
Generally, 0 is the only valid value, but some interfaces support more
|
|
SSIDs.
|
|
.It Dv IEEE80211_IOC_STA_INFO
|
|
Return information about the current state of the specified station(s) via
|
|
.Va i_data .
|
|
The MAC address of a single station may be passed in or, if the broadcast
|
|
address is supplied, information about all stations will be returned.
|
|
If a single station is requested and the MAC address is unknown then
|
|
.Er ENOENT
|
|
will be returned.
|
|
.It Dv IEEE80211_IOC_STA_STATS
|
|
Return collected statistics for the specified station via
|
|
.Va i_data .
|
|
The MAC address of the desired station is passed in; if it is unknown
|
|
.Er ENOENT
|
|
will be returned.
|
|
.It Dv IEEE80211_IOC_STA_VLAN
|
|
Return any VLAN tag assigned to a station via
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_TDMA_SLOT
|
|
Return the slot number for the station in
|
|
.Va i_val .
|
|
Slot number zero is the master station in a TDMA network.
|
|
.It Dv IEEE80211_IOC_TDMA_SLOTCNT
|
|
Return the count of slots in the TDMA network in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_TDMA_SLOTLEN
|
|
Return the length (in usecs) of the TDMA slot assigned to each
|
|
station in the network in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_TDMA_BINTERVAL
|
|
Return the number of superframes between Beacon frames in
|
|
.Va i_val .
|
|
A TDMA network with N slots and slot length T has a superframe of NxT.
|
|
.It Dv IEEE80211_IOC_TSN
|
|
Return whether or not Transitional Security Network (TSN) is enabled in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_TURBOP
|
|
Return whether Atheros Dynamic Turbo mode is enabled in
|
|
.Va i_val .
|
|
Dynamic Turbo mode is a non-standard protocol extension available only
|
|
on Atheros devices where channel width is dynamically
|
|
changed between 20MHz and 40MHz.
|
|
Note tht enabling Dynamic Turbo mode support does not guarantee use;
|
|
both client and access point must use Atheros devices and support must
|
|
be enabled on both sides.
|
|
.It Dv IEEE80211_IOC_TXPARAMS
|
|
Return transmit parameters in the buffer pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_TXPOWER
|
|
Return the transmit power limit in .5 dBm units in
|
|
.Va i_val .
|
|
This value represents the effective maximum and is calculated according to
|
|
the maximum power allowed by local regulations, any user-specified
|
|
power limit, and the maximum power the device is capable of.
|
|
.It Dv IEEE80211_IOC_TXPOWMAX
|
|
Return the user-specified maximum transmit power in .5 dBm units in
|
|
.Va i_val .
|
|
The maximum setting is applied after any regulatory cap.
|
|
.It Dv IEEE80211_IOC_WEP
|
|
Return the current WEP status in
|
|
.Va i_val .
|
|
Valid values are:
|
|
.Dv IEEE80211_WEP_ON
|
|
(enabled for all packets sent and received),
|
|
.Dv IEEE80211_WEP_OFF
|
|
(disabled),
|
|
and
|
|
.Dv IEEE80211_WEP_MIXED
|
|
(enabled for transmit and receive but also willing to receive
|
|
unencrypted frames).
|
|
This request is deprecated; use
|
|
.Dv IEEE80211_IOC_PRIVACY
|
|
and
|
|
.Dv IEEE80211_IOC_UNENCRYPTED
|
|
instead.
|
|
.It Dv IEEE80211_IOC_WEPKEY
|
|
Return the requested WEP key via
|
|
.Va i_data .
|
|
The key number is specified in
|
|
.Va i_val
|
|
and may be 0-3.
|
|
If the device does not support returning the WEP key or the user is not
|
|
root then the key may be returned as all zeros.
|
|
This request is deprecated in favor of
|
|
.Dv IEEE80211_IOC_WPAKEY .
|
|
.It Dv IEEE80211_IOC_WEPTXKEY
|
|
Return the number of the WEP key used for transmission in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_WME
|
|
Return whether 802.11e/WME/WMM support is enabled in
|
|
.Va i_val .
|
|
This value will be non-zero when support is enabled and otherwise zero.
|
|
.It Dv IEEE80211_IOC_WME_CWMIN
|
|
Return the WME CWmin setting (log2) for the specified Access Class (AC) in
|
|
.Va i_val .
|
|
The AC is passed in through
|
|
.Va i_len
|
|
together with an optional IEEE80211_WMEPARAM_BSS flag to indicate if the
|
|
parameter for the BSS or the channel is desired.
|
|
If WME is not supported then
|
|
.Er EINVAL
|
|
wil be returned.
|
|
.It Dv IEEE80211_IOC_WME_CWMAX
|
|
Return the WME CWmax setting (log2) for the specified Access Class (AC) in
|
|
.Va i_val .
|
|
See
|
|
.Dv IEEE80211_IOC_WME_CWMIN
|
|
above for more details.
|
|
.It Dv IEEE80211_IOC_WME_AIFS
|
|
Return the WME AIFS setting for the specified Access Class (AC) in
|
|
.Va i_val .
|
|
See
|
|
.Dv IEEE80211_IOC_WME_CWMIN
|
|
above for more details.
|
|
.It Dv IEEE80211_IOC_WME_TXOPLIMIT
|
|
Return the WME TxOpLimit (msec) for the specified Access Class (AC) in
|
|
.Va i_val .
|
|
See
|
|
.Dv IEEE80211_IOC_WME_CWMIN
|
|
above for more details.
|
|
.It Dv IEEE80211_IOC_WME_ACM
|
|
Return the WME Admission Control Mechanism (ACM) setting
|
|
for the specified Access Class (AC) in
|
|
.Va i_val .
|
|
This value is meaningful only for the BSS (not channel).
|
|
See
|
|
.Dv IEEE80211_IOC_WME_CWMIN
|
|
above for more details.
|
|
.It Dv IEEE80211_IOC_WME_ACKPOLICY
|
|
Return the WME ACK Policy setting
|
|
for the specified Access Class (AC) in
|
|
.Va i_val .
|
|
When this value is zero frames will be transmitted without waiting for
|
|
an Acknowledgement.
|
|
This value is meaningful only for the channel (not BSS).
|
|
See
|
|
.Dv IEEE80211_IOC_WME_CWMIN
|
|
above for more details.
|
|
.It Dv IEEE80211_IOC_WPA
|
|
Return the WPA configuration in
|
|
.Va i_val .
|
|
Valid values are
|
|
0 (WPA is not enabled),
|
|
1 (WPA1 is enabled),
|
|
2 (WPA2/802.11i is enabled),
|
|
and
|
|
3 (WPA1 and WPA2/802.11i are both enabled).
|
|
.It Dv IEEE80211_IOC_WPAIE
|
|
Return any WPA information element for an associated station via
|
|
.Va i_data .
|
|
The request passed in through
|
|
.Va i_data
|
|
identifies the MAC address of the desired station.
|
|
If an RSN (802.11i) element is present it is returned; otherwise any WPA
|
|
element is returned.
|
|
Note this request is deprecated; use
|
|
.Dv IEEE80211_IOC_WPAIE2
|
|
instead.
|
|
.It Dv IEEE80211_IOC_WPAIE2
|
|
Return any WPA information elements for an associated station via
|
|
.Va i_data .
|
|
The request passed in through
|
|
.Va i_data
|
|
identifies the MAC address of the desired station.
|
|
One or both of RSN (802.11i) and WPA elements may be returned.
|
|
.It Dv IEEE80211_IOC_WPAKEY
|
|
Return the requested cryptographic key in the buffer pointed to by
|
|
.Va i_data .
|
|
The key number is specified in
|
|
.Va i_val
|
|
and may be 0-3.
|
|
A key number of zero is used to retrieve a station's unicast cipher key
|
|
when operating with WPA enabled.
|
|
If the user is not root then the key data returned is all zeros.
|
|
.It Dv IEEE80211_IOC_WPS
|
|
Return whether or not Wi-FI Protected Setup (WPS) is enabled in
|
|
.Va i_val .
|
|
.El
|
|
.Pp
|
|
For
|
|
.Dv SIOCS80211
|
|
the following values of
|
|
.Va i_type
|
|
are valid.
|
|
Note that changing a value on an interface that is running may
|
|
cause the interface to be
|
|
.Sq reset .
|
|
Resets may be handled without altering the state if the parameter
|
|
does not affect the MLME state (e.g. RTS threshold), but in some
|
|
cases the interface may need to scan for a new network or clear
|
|
state (including any associated stations); in that case the interface
|
|
is said to be
|
|
.Sq restarted
|
|
(it is equivalent to marking the interface down and back up).
|
|
The information below identifies whether changing a value affects the
|
|
state of a running interface.
|
|
.Bl -tag -width indent
|
|
.It Dv IEEE80211_IOC_ADDMAC
|
|
Add an entry to the MAC address Access Control List (ACL) database using
|
|
the value pointed to by
|
|
.Va i_data .
|
|
The
|
|
.Xr wlan_acl 4
|
|
module must be installed and enabled or
|
|
.Er EINVAL
|
|
will be returned.
|
|
.It Dv IEEE80211_IOC_AMPDU
|
|
Set whether or not AMPDU is enabled for transmit and/or receive
|
|
using the value in
|
|
.Va i_val .
|
|
This request causes a running interface operating on an HT channel
|
|
to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_AMPDU
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_AMPDU_DENSITY
|
|
Set the minimum density for bursting AMPDU frames to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_AMPDU_DENSITY
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_AMPDU_LIMIT
|
|
Set the limit on the size of AMPDU frames to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_AMPDU_LIMIT
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_AMSDU
|
|
Set whether or not AMSDU is enabled for transmit and/or receive
|
|
using the value in
|
|
.Va i_val .
|
|
This request causes a running interface operating on an HT channel
|
|
to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_AMSDU
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_AMSDU_LIMIT
|
|
Set the limit on the size of AMSDU frames to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_AMSDU_LIMIT
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_APBRIDGE
|
|
Set whether AP bridging is enabled using the value in
|
|
.Va i_val .
|
|
See
|
|
.Dv IEEE80211_IOC_APBRIDGE
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_APPIE
|
|
Set an application information element using the data pointed to by
|
|
.Va i_data .
|
|
This request causes a running interface to be restarted if the WPA
|
|
information element is changed.
|
|
See
|
|
.Dv IEEE80211_IOC_APPIE
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_AUTHMODE
|
|
Set the current authentication mode using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be restarted.
|
|
See
|
|
.Dv IEEE80211_IOC_AUTHMODE
|
|
above for details.
|
|
This request causes a running interface to be restarted.
|
|
.It Dv IEEE80211_IOC_BEACON_INTERVAL
|
|
Set the time between Beacon frames (in TU) to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be restarted.
|
|
.It Dv IEEE80211_IOC_BGSCAN
|
|
Set whether background scanning is enabled using the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_BGSCAN_IDLE
|
|
Set the minimum time (in msecs) a station must be idle
|
|
before it will do a background scan to the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_BGSCAN_INTERVAL
|
|
Set the minimum time (seconds) between background scan operations to the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_BMISSTHRESHOLD
|
|
Set the number of consecutive missed Beacon frames before the system will
|
|
attempt to roam to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_BSSID
|
|
Set the 802.11 MAC address for the desired BSS identifier according to
|
|
.Va i_data .
|
|
This request causes a running interface to be restarted.
|
|
.It Dv IEEE80211_IOC_BURST
|
|
Set whether or not packet bursting is enabled using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_CHANNEL
|
|
Set the desired/current channel to the value given by
|
|
.Va i_val .
|
|
This request causes a running interface to
|
|
immediately change to the specified channel if possible;
|
|
otherwise the interface will be restarted.
|
|
Note this request is deprecated; use
|
|
.Dv IEEE80211_IOC_CURCHAN
|
|
instead.
|
|
.It Dv IEEE80211_IOC_CHANLIST
|
|
Set the list of available channels using the channel list pointed to by
|
|
.Va i_data .
|
|
The channel list is a bit vector with bit N set to 1 if
|
|
IEEE channel number N is available for use.
|
|
The specified channel list is checked against the set of supported
|
|
channels and any channels not supported are silently ignored.
|
|
If the intersection of the channel list and the supported channels is empty
|
|
.Er EINVAL
|
|
is returned.
|
|
Note the current channel may be marked invalid after installing a
|
|
new channel list.
|
|
This request causes a running interface to be restarted.
|
|
.It Dv IEEE80211_IOC_COUNTERMEASURES
|
|
Set whether TKIP Countermeasures are enabled using the value in
|
|
.Va i_val .
|
|
This request can only be used when the authentication mode is set
|
|
WPA; otherwise
|
|
.Er EOPNOTSUPP
|
|
will be returned.
|
|
.It Dv IEEE80211_IOC_CURCHAN
|
|
Set the current channel using the information referenced by
|
|
.Va i_data .
|
|
This request causes a running interface to
|
|
immediately change to the specified channel if possible;
|
|
otherwise the interface will be restarted.
|
|
.It Dv IEEE80211_IOC_DELKEY
|
|
Delete the key specified by the information referenced by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_DELMAC
|
|
Remove an entry in the MAC address Access Control List (ACL) database using
|
|
the value pointed to by
|
|
.Va i_data .
|
|
The
|
|
.Xr wlan_acl 4
|
|
module must be installed and enabled or
|
|
.Er EINVAL
|
|
will be returned.
|
|
.It Dv IEEE80211_IOC_DFS
|
|
Set whether or not Dynamic Frequency Selection (DFS) is enabled
|
|
using the value in
|
|
.Va i_val .
|
|
This request will fail with
|
|
.Er EINVAL
|
|
if 802.11h support is not enabled.
|
|
See
|
|
.Dv IEEE80211_IOC_DFS
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_DOTD
|
|
Set whether or not 802.11d support is enabled using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be restarted.
|
|
See
|
|
.Dv IEEE80211_IOC_DOTD
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_DOTH
|
|
Return whether 802.11h support is enabled using the value in
|
|
.Va i_val .
|
|
See
|
|
.Dv IEEE80211_IOC_DOTH
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_DROPUNENCRYPTED
|
|
Set whether unencrypted packets transmit/received should be discarded
|
|
using the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_DTIM_PERIOD
|
|
Set the period (in beacon intervals) between DTIM events to the value in
|
|
This request causes a running interface to be restarted.
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_DWDS
|
|
Set whether or not Dynamic WDS support is enabled using the value in
|
|
.Va i_val .
|
|
See
|
|
.Dv IEEE80211_IOC_DWDS
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_FF
|
|
Set whether Atheros fast-frames support is enabled using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be restarted.
|
|
See
|
|
.Dv IEEE80211_IOC_FF
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_FRAGTHRESHOLD
|
|
Set the threshold (in bytes) for enabling fragmentation frames using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_FRAGTHRESHOLD
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_GREENFIELD
|
|
Set whether or not Greenfield preamble use is enabled using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_GREENFIELD
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_HIDESSID
|
|
Set whether SSID hiding/cloaking is enabled using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_HIDESSID
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_HTCOMPAT
|
|
Set whether or not 802.11n compatibility support is enabled using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset if operating on HT channel.
|
|
See
|
|
.Dv IEEE80211_IOC_HTCOMPAT
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_HTCONF
|
|
Set automatic promotion of HT channels using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be restarted.
|
|
See
|
|
.Dv IEEE80211_IOC_HTCONF
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_HTPROTMODE
|
|
Set the technique used to protect HT frames in a mixed 802.11n network
|
|
using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_HTPROTMODE
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_HWMP_MAXHOPS
|
|
Set the maximum acceptable hop count in an HWMP path according to
|
|
.Va i_val .
|
|
Values must be in the range [0-255].
|
|
.It Dv IEEE80211_IOC_HWMP_ROOTMODE
|
|
Set the Mesh root mode operation according to
|
|
.Va i_val .
|
|
Valid values are
|
|
.Dv IEEE80211_HWMP_ROOTMODE_DISABLED
|
|
(root mode is disabled),
|
|
.Dv IEEE80211_HWMP_ROOTMODE_NORMAL
|
|
(send broadcast Path Request frames),
|
|
.Dv IEEE80211_HWMP_ROOTMODE_PROACTIVE
|
|
(send broadcast Path Request frames and force replies)
|
|
and
|
|
.Dv IEEE80211_HWMP_ROOTMODE_RANN
|
|
(send broadcast Root Announcement (RANN) frames).
|
|
.It Dv IEEE80211_IOC_INACTIVITY
|
|
Set whether or not the system handles inactivity processing using the value in
|
|
.Va i_val .
|
|
When inactivity processing is enabled the system will track stations
|
|
that have not trasmitted frames and periodically probe them to
|
|
check if they are still present.
|
|
Stations that are inactive and do not respond to probes are dropped.
|
|
.It Dv IEEE80211_IOC_MACCMD
|
|
Change the state of the MAC address Access Control List (ACL) system.
|
|
There are several requests supported:
|
|
.Dv IEEE80211_MACCMD_POLICY_OPEN
|
|
(set the current policy to disable ACL use),
|
|
.Dv IEEE80211_MACCMD_POLICY_ALLOW
|
|
(set the current policy to allow only addresses listed in the database),
|
|
.Dv IEEE80211_MACCMD_POLICY_DENY
|
|
(set the current policy to deny addresses listed in the database),
|
|
.Dv IEEE80211_MACCMD_POLICY_RADUS
|
|
(set the current policy to enable use of a RADIUS backend),
|
|
.Dv IEEE80211_MACCMD_FLUSH
|
|
(flush all addresses from the database),
|
|
and
|
|
.Dv IEEE80211_MACCMD_DETACH
|
|
(detach the ACL subsystem, disabling it).
|
|
The
|
|
.Xr wlan_acl 4
|
|
module must be installed or
|
|
.Er EINVAL
|
|
will be returned.
|
|
.It Dv IEEE80211_IOC_MESH_AP
|
|
Set whether or not Mesh AP support is enabled using
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_MESH_FWRD
|
|
Set whether or not packet forwarding support is enabled using
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_MESH_ID
|
|
Set the Mesh ID using the value pointed to by
|
|
.Va i_data .
|
|
A Mesh ID can be up to
|
|
.Dv IEEE80211_MESHID_LEN
|
|
bytes long.
|
|
.It Dv IEEE80211_IOC_MESH_PP_METRIC
|
|
Set the link metric protocol using the value pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_MESH_PP_PATH
|
|
Set the path selection protocol using the value pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_MESH_RTCMD
|
|
Manipulate the state of the Mesh routing tables.
|
|
Several requests are supported:
|
|
.Dv IEEE80211_MESH_RTCMD_FLUSH
|
|
(flush the contents of the routing table),
|
|
.Dv IEEE80211_MESH_RTCMD_ADD
|
|
(add an entry for the MAC address specified in
|
|
.Va i_data
|
|
and start the Peer discovery process),
|
|
and
|
|
.Dv IEEE80211_MESH_RTCMD_DELETE
|
|
(delete the entry corresponding to the MAC address specified in
|
|
.Va i_data ).
|
|
.It Dv IEEE80211_IOC_MESH_TTL
|
|
Set the Mesh Time To Live (TTL) setting installed in packets
|
|
transmitted by this mesh node using
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_MLME
|
|
Explicitly control the MLME state machine for a station using the
|
|
MLME request pointed to by
|
|
.Va i_data .
|
|
There are several MLME operations supported:
|
|
.Dv IEEE80211_MLME_ASSOC
|
|
(request association to an access point),
|
|
.Dv IEEE80211_MLME_DIASSOC
|
|
(diassociate the specified station),
|
|
.Dv IEEE80211_MLME_DEAUTH
|
|
(deauthenticate the specified station),
|
|
.Dv IEEE80211_MLME_AUHORIZE
|
|
(mark the specifed station authorized to pass data frames),
|
|
.Dv IEEE80211_MLME_UNAUTHORIZE
|
|
(revoke the specified station's ability to pass data frames),
|
|
and
|
|
.Dv IEEE80211_MLME_AUTH
|
|
(request authentication to an access point).
|
|
Note when this facility is used for stations operating in infrastructure mode
|
|
the roaming mode should be set to manual.
|
|
.It Dv IEEE80211_IOC_POWERSAVE
|
|
Set the current powersaving mode to the value in
|
|
.Va i_val .
|
|
See
|
|
.Dv IEEE80211_IOC_POWERSAVE
|
|
above for valid values.
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_POWERSAVESLEEP
|
|
Set the powersave sleep time in TU to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_PRIVACY
|
|
Set the current MLME setting for PRIVACY using the value in
|
|
.Va i_val .
|
|
See
|
|
.Dv IEEE80211_IOC_PRIVACY
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_PROTMODE
|
|
Set the current 802.11g protection mode to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_PROTMODE
|
|
above for details.
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_PUREG
|
|
Set whether ``pure 11g'' mode is enabled using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be restarted.
|
|
See
|
|
.Dv IEEE80211_IOC_PUREG
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_PUREN
|
|
Set whether ``pure 11n'' mode is enabled using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be restarted.
|
|
See
|
|
.Dv IEEE80211_IOC_PUREN
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_REGDOMAIN
|
|
Set the regulatory state using the data referenced by
|
|
.Va i_data .
|
|
This request can only be issued when all interfaces cloned from the
|
|
underlying physical device are marked down; otherwise
|
|
.Er EBUSY
|
|
is returned.
|
|
Note the new regulatory data may invalidate any desired channel.
|
|
.It Dv IEEE80211_IOC_RIFS
|
|
Set whether or not Reduced InterFrame Spacing (RIFS) is enabled
|
|
using the value in
|
|
.Va i_val .
|
|
This setting is meaningful only when operating with 802.11n on an HT channel.
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_ROAM
|
|
Set station roaming parameters using the data pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_ROAMING
|
|
Set the current roaming mode to the value in
|
|
.Va i_val .
|
|
See
|
|
.Dv IEEE80211_IOC_ROAMING
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_RTSTHRESHOLD
|
|
Set the threshold (in bytes) for enabling transmission of RTS frames
|
|
to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_RTSTHRESHOLD
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_SCANVALID
|
|
Set the age (in seconds) that results from a scan operation will be
|
|
considered valid.
|
|
When scan results are no longer valid and they are needed (e.g. to roam) the
|
|
system will initiate a scan operation to replenish the scan cache.
|
|
.It Dv IEEE80211_IOC_SCAN_REQ
|
|
Request a scan operation using the parameters pointed to by
|
|
.Va i_val .
|
|
The underlying device must be running or
|
|
.Er ENXIO
|
|
will be returned.
|
|
Values for
|
|
.Va sr_duration ,
|
|
.Va sr_mindwell ,
|
|
and
|
|
.Va sr_maxdwell
|
|
shorter than 1 clock tick are rounded up to a tick.
|
|
If more SSID's are supplied than the system is capable of handling
|
|
the extra ones are silently ignored.
|
|
If a scan operation is already in progress the request will be
|
|
(silently) ignored.
|
|
.It Dv IEEE80211_IOC_SCAN_CANCEL
|
|
Cancel any pending/active scan operation.
|
|
.It Dv IEEE80211_IOC_SHORTGI
|
|
Set whether or not Short Guard Interval (SGI) is enabled using the value in
|
|
.Va i_val .
|
|
Note SGI is only used when operating on an HT (802.11n) channel.
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_SMPS
|
|
Set the Spatial Multiplexing Power Save (SMPS) setting to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_SMPS
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_SSID
|
|
Set the desired SSID using the value pointed to by
|
|
.Va i_data .
|
|
The string may be at most IEEE80211_NWID_LEN bytes.
|
|
This request causes a running interface to be restarted.
|
|
.It Dv IEEE80211_IOC_STA_STATS
|
|
Clear accumulated statistics for the specified station.
|
|
.It Dv IEEE80211_IOC_STA_VLAN
|
|
Set the VLAN tag for the specified station using the information pointed to by
|
|
.Va i_data .
|
|
.It Dv IEEE80211_IOC_TDMA_BINTERVAL
|
|
Set the interval between Beacon frames to the value in
|
|
.Va i_val .
|
|
Values must be positive.
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_TDMA_SLOT
|
|
Set the current TDMA slot to the value in
|
|
.Va i_val .
|
|
Values must be in the range [0-slotcnt].
|
|
Slot 0 identifies the master in the TDMA network; if it running it will
|
|
immediately start sending Beacon frames.
|
|
.It Dv IEEE80211_IOC_TDMA_SLOTCNT
|
|
Set the number of slots in the TDMA network to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_TDMA_SLOTLEN
|
|
Set the length of the TDMA slot assigned to each station in the network
|
|
to the value in
|
|
.Va i_val .
|
|
Slot lengths must be in the range 200 usecs to 1024 milliseconds
|
|
(though values outside the range 1-200ms are unlikely to work well).
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_TSN
|
|
Set whether or not Transitional Security Network (TSN) is enabled
|
|
using the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_TURBOP
|
|
Set whether Atheros Dynamic Turbo mode is enabled using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be restarted.
|
|
.It Dv IEEE80211_IOC_TXPARAMS
|
|
Set transmit parameters using the data pointed to be
|
|
.Va i_data .
|
|
This request causes a running interface to be restarted.
|
|
.It Dv IEEE80211_IOC_TXPOWER
|
|
Set the maximum transmit power limit in .5 dBm units to the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_WEP
|
|
Set the current WEP mode to the value in
|
|
.Va i_val .
|
|
See
|
|
.Dv IEEE80211_IOC_WEP
|
|
above for valid values.
|
|
This request causes a running interface to be restarted.
|
|
Note this request is deprecated; use
|
|
.Dv IEEE80211_IOC_PRIVACY
|
|
and
|
|
.Dv IEEE80211_IOC_DROPUNENCRYPTED
|
|
instead.
|
|
.It Dv IEEE80211_IOC_WEPKEY
|
|
Set the WEP key indicated by
|
|
.Va i_val
|
|
using the data pointed to by
|
|
.Va i_data .
|
|
Note this request is deprecated; use
|
|
.Dv IEEE80211_IOC_WPAKEY
|
|
instead.
|
|
.It Dv IEEE80211_IOC_WEPTXKEY
|
|
Set the default transmit key used for transmission to the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_WME
|
|
Set whether or not WME/WMM support is enabled using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
.It Dv IEEE80211_IOC_WME_ACKPOLICY
|
|
Set the WME ACK Policy for the Access Class (AC) specified in
|
|
.Va i_len
|
|
using the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_WME_ACM
|
|
Set the WME Admission Control Mechanism for the Access Class (AC) specified in
|
|
.Va i_len
|
|
using the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_WME_AIFS
|
|
Set the WME AIFS parameter for the Access Class (AC) specified in
|
|
.Va i_len
|
|
using the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_WME_CWMAX
|
|
Set the WME CWmax parameter for the Access Class (AC) specified in
|
|
.Va i_len
|
|
using the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_WME_CWMIN
|
|
Set the WME CWmin parameter for the Access Class (AC) specified in
|
|
.Va i_len
|
|
using the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_WME_TXOPLIMIT
|
|
Set the WME TxOpLimit parameter for the Access Class (AC) specified in
|
|
.Va i_len
|
|
using the value in
|
|
.Va i_val .
|
|
.It Dv IEEE80211_IOC_WPA
|
|
Set the WPA configuration using the value in
|
|
.Va i_val .
|
|
This request causes a running interface to be reset.
|
|
See
|
|
.Dv IEEE80211_IOC_WPA
|
|
above for details.
|
|
.It Dv IEEE80211_IOC_WPAKEY
|
|
Set the requested cryptographic key using data in the buffer pointed to by
|
|
.Va i_data .
|
|
See
|
|
.Dv IEEE80211_IOC_WPAKEY
|
|
for details.
|
|
.It Dv IEEE80211_IOC_WPS
|
|
Set whether or not Wi-FI Protected Setup (WPS) is enabled using the value in
|
|
.Va i_val .
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr ioctl 2 ,
|
|
.Xr wlan 4 ,
|
|
.Xr wlan_acl 4 ,
|
|
.Xr wlan_xauth 4 ,
|
|
.Xr ifconfig 8 ,
|
|
.Xr hostapd 8 ,
|
|
.Xr wpa_supplicant 8 .
|