2570e7c33f
The rsu firmware license check has been disabled since r292756. Changes rsu(4) since the license ack is no longer required. While here, add `device rsufw` hint to the kernel configuration lines and add/update paths to the installed license file in both rsu(4) and rsufw(4). Submitted by: Mateusz Piotrowski (0mp) Reviewed by: bcr (manpages) MFC after: 1 month Differential Revision: https://reviews.freebsd.org/D14966
197 lines
5.4 KiB
Groff
197 lines
5.4 KiB
Groff
.\" $OpenBSD: rsu.4,v 1.11 2013/02/14 07:40:42 jmc Exp $
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.\" $FreeBSD$
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.\"
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.\" Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.Dd April 4, 2018
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.Dt RSU 4
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.Os
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.Sh NAME
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.Nm rsu
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.Nd Realtek RTL8188SU/RTL8192SU USB IEEE 802.11b/g/n wireless network device
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device ehci"
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.Cd "device uhci"
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.Cd "device ohci"
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.Cd "device usb"
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.Cd "device rsu"
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.Cd "device rsufw"
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.Cd "device wlan"
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.Ed
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.Pp
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Alternatively, to load the driver as a module at boot time,
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place the following lines in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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if_rsu_load="YES"
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rsu-rtl8712fw_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver supports USB 2.0 wireless network devices based on Realtek
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RTL8188SU, RTL8191SU and RTL8192SU chipsets.
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.Pp
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The RTL8188SU is a highly integrated 802.11n adapter that combines
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a MAC, a 1T1R capable baseband and an RF in a single chip.
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It operates in the 2GHz spectrum only.
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.Pp
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The RTL8191SU is a highly integrated multiple-in, single-out (MISO)
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802.11n adapter that combines a MAC, a 1T2R capable baseband and an
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RF in a single chip.
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It operates in the 2GHz spectrum only.
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.Pp
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The RTL8192SU is a highly integrated multiple-in, multiple-out (MIMO)
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802.11n adapter that combines a MAC, a 2T2R capable baseband and an
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RF in a single chip.
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It operates in the 2GHz spectrum only.
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.Pp
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These are the modes the
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.Nm
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driver can operate in:
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.Bl -tag -width "IBSS-masterXX"
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.It BSS mode
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Also known as
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.Em infrastructure
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mode, this is used when associating with an access point, through
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which all traffic passes.
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This mode is the default.
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.It monitor mode
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In this mode the driver is able to receive packets without
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associating with an access point.
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This disables the internal receive filter and enables the card to
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capture packets from networks which it wouldn't normally have access to,
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or to scan for access points.
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.El
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.Pp
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The
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.Nm
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driver can be configured to use
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Wired Equivalent Privacy (WEP) or
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Wi-Fi Protected Access (WPA-PSK and WPA2-PSK).
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WPA is the de facto encryption standard for wireless networks.
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It is strongly recommended that WEP
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not be used as the sole mechanism
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to secure wireless communication,
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due to serious weaknesses in it.
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.Pp
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The
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.Nm
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driver can be configured at runtime with
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.Xr ifconfig 8 .
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.Sh FILES
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.Bl -tag -width ".Pa /usr/share/doc/legal/realtek.LICENSE" -compact
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.It Pa /usr/share/doc/legal/realtek.LICENSE
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.Nm
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firmware license
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.El
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.Pp
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The driver needs at least version 1.2 of the following firmware file,
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which is loaded when an interface is attached:
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.Pp
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.Bl -tag -width Ds -offset indent -compact
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.It Pa /boot/kernel/rsu-rtl8712fw.ko
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.El
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.Sh HARDWARE
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The
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.Nm
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driver provices support for Realtek RTL8188SU/RTL8192SU USB IEEE 802.11b/g/n
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wireless network adapters, including:
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.Pp
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.Bl -tag -width Ds -offset indent -compact
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.It ASUS USB-N10
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.It Belkin F7D1101 v1
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.It D-Link DWA-131 A1
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.It EDUP EP-MS150N(W)
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.It Edimax EW-7622UMN
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.It Hercules HWGUn-54
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.It Hercules HWNUm-300
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.It Planex GW-USNano
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.It Sitecom WL-349 v1
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.It Sitecom WL-353
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.It Sweex LW154
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.It TRENDnet TEW-646UBH
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.It TRENDnet TEW-648UB
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.It TRENDnet TEW-649UB
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.El
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.Sh EXAMPLES
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Join an existing BSS network (i.e., connect to an access point):
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.Bd -literal -offset indent
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ifconfig wlan create wlandev rsu0 inet 192.168.0.20 \e
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netmask 0xffffff00
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.Ed
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.Pp
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Join a specific BSS network with network name
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.Dq Li my_net :
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.Pp
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.Dl "ifconfig wlan create wlandev rsu0 ssid my_net up"
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.Pp
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Join a specific BSS network with 64-bit WEP encryption:
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.Bd -literal -offset indent
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ifconfig wlan create wlandev rsu0 ssid my_net \e
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wepmode on wepkey 0x1234567890 weptxkey 1 up
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.Ed
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "%s: failed load firmware of file rsu-rtl8712fw"
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For some reason, the driver was unable to read the microcode file from the
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filesystem.
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The file might be missing or corrupted.
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.It "device timeout"
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A frame dispatched to the hardware for transmission did not complete in time.
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The driver will reset the hardware.
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This should not happen.
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.El
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.Sh SEE ALSO
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.Xr intro 1 ,
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.Xr netintro 4 ,
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.Xr rsufw 4 ,
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.Xr usb 4 ,
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.Xr wlan 4 ,
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.Xr arp 8 ,
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.Xr hostapd 8 ,
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.Xr ifconfig 8 ,
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.Xr wpa_supplicant 8
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Ox 4.9 and
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.Fx 10.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written by
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.An Damien Bergamini Aq Mt damien@openbsd.org
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and ported by
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.An Rui Paulo Aq Mt rpaulo@freebsd.org .
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The 802.11n support was added by
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.An Adrian Chadd Aq Mt adrian@freebsd.org .
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.Sh CAVEATS
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The
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.Nm
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driver currently does not support 802.11n transmit aggregation,
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either A-MSDU or A-MPDU.
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.Pp
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The
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.Nm
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driver does not capture management frames in non-monitor modes;
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without this limitation some firmware functions (e.g., 'join bss')
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will not work properly.
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