mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-25 11:37:56 +00:00
0dded3391e
PR: 167810
Submitted by: Bryan Drewery {bryan!shatow%net} (hackers lounge)
Found with: textproc/igor
MFC after: 3 days
194 lines
6.0 KiB
Groff
194 lines
6.0 KiB
Groff
.\"-
|
|
.\" Copyright (c) 2009 Sam Leffler, Errno Consulting
|
|
.\" All rights reserved.
|
|
.\""
|
|
.\" 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,
|
|
.\" without modification.
|
|
.\" 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
|
.\" similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
|
|
.\" redistribution must be conditioned upon including a substantially
|
|
.\" similar Disclaimer requirement for further binary redistribution.
|
|
.\"
|
|
.\" NO WARRANTY
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
.\" LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
|
|
.\" AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
.\" THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"/
|
|
.Dd July 8, 2009
|
|
.Dt MWL 4
|
|
.Os
|
|
.Sh NAME
|
|
.Nm mwl
|
|
.Nd "Marvell 88W8363 IEEE 802.11n wireless network driver"
|
|
.Sh SYNOPSIS
|
|
To compile this driver into the kernel,
|
|
place the following lines in your
|
|
kernel configuration file:
|
|
.Bd -ragged -offset indent
|
|
.Cd "device mwl"
|
|
.Cd "device mwlfw"
|
|
.Cd "device wlan"
|
|
.Cd "device firmware"
|
|
.Ed
|
|
.Pp
|
|
Alternatively, to load the driver as a
|
|
module at boot time, place the following line in
|
|
.Xr loader.conf 5 :
|
|
.Bd -literal -offset indent
|
|
if_mwl_load="YES"
|
|
.Ed
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
driver provides support for IEEE 802.11n wireless network adapters based on
|
|
Marvell 88W8363 parts.
|
|
PCI and/or CardBus interfaces are supported.
|
|
.Pp
|
|
This driver requires the firmware built with the
|
|
.Nm mwlfw
|
|
module to work.
|
|
Normally this module is loaded on demand by the driver but it may
|
|
also be compiled into the kernel.
|
|
.Pp
|
|
Supported features include 802.11n, power management, BSS, MBSS,
|
|
and host-based access point operation modes.
|
|
All host/device interaction is via DMA.
|
|
.Pp
|
|
The
|
|
.Nm
|
|
driver encapsulates IP and ARP traffic as 802.11 frames, however
|
|
it can receive either 802.11 or 802.3 frames.
|
|
Devices support 802.11n, 802.11a, 802.11g, and 802.11b operation with
|
|
transmit speeds appropriate to each.
|
|
The actual transmit speed used is dependent on signal quality and the
|
|
.Dq "rate control"
|
|
algorithm implemented in the firmware.
|
|
All chips have hardware support for WEP,
|
|
AES-CCM, TKIP, and Michael cryptographic operations.
|
|
.Pp
|
|
The driver supports
|
|
.Cm station ,
|
|
.Cm hostap ,
|
|
.Cm mesh ,
|
|
and
|
|
.Cm wds
|
|
mode operation.
|
|
Multiple
|
|
.Cm hostap
|
|
virtual interfaces may be configured for simultaneous use.
|
|
When multiple interfaces are configured each may have a separate
|
|
mac address that is formed by setting the U/L bits in the mac
|
|
address assigned to the underlying device.
|
|
Any number of
|
|
.Cm wds
|
|
virtual interfaces may be configured together with
|
|
.Cm hostap
|
|
interfaces.
|
|
Multiple
|
|
.Cm station
|
|
interfaces may be operated together with
|
|
.Cm hostap
|
|
interfaces to construct a wireless repeater device.
|
|
For more information on configuring this device, see
|
|
.Xr ifconfig 8 .
|
|
.Pp
|
|
Devices supported by the
|
|
.Nm
|
|
driver come in either Cardbus or mini-PCI packages.
|
|
Wireless cards in Cardbus slots may be inserted and ejected on the fly.
|
|
.Sh EXAMPLES
|
|
Join an existing BSS network (ie: connect to an access point):
|
|
.Bd -literal -offset indent
|
|
ifconfig wlan create wlandev mwl0 inet 192.168.0.20 \e
|
|
netmask 0xffffff00"
|
|
.Ed
|
|
.Pp
|
|
Join a specific BSS network with network name
|
|
.Dq Li my_net :
|
|
.Bd -literal -offset indent
|
|
ifconfig wlan create wlandev mwl0 inet 192.168.0.20 \e
|
|
netmask 0xffffff00 ssid my_net"
|
|
.Ed
|
|
.Pp
|
|
Join a specific BSS network with WEP encryption:
|
|
.Bd -literal -offset indent
|
|
ifconfig wlan0 create wlandev mwl0
|
|
ifconfig wlan0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e
|
|
wepmode on wepkey 0x8736639624
|
|
.Ed
|
|
.Pp
|
|
Create an 802.11g host-based access point:
|
|
.Bd -literal -offset indent
|
|
ifconfig wlan0 create wlandev mwl0 wlanmode hostap
|
|
ifconfig wlan0 inet 192.168.0.10 netmask 0xffffff00 ssid my_ap \e
|
|
mode 11g
|
|
.Ed
|
|
.Pp
|
|
Create an 802.11a mesh station:
|
|
.Bd -literal -offset indent
|
|
ifconfig wlan0 create wlandev mwl0 wlanmode mesh
|
|
ifconfig wlan0 meshid my_mesh mode 11a inet 192.168.0.10/24
|
|
.Ed
|
|
.Pp
|
|
Create two virtual 802.11a host-based access points, one
|
|
with WEP enabled and one with no security, and bridge them to
|
|
the fxp0 (wired) device:
|
|
.Bd -literal -offset indent
|
|
ifconfig wlan0 create wlandev mwl0 wlanmode hostap \e
|
|
ssid paying-customers wepmode on wepkey 0x1234567890 \e
|
|
mode 11a up
|
|
ifconfig wlan1 create wlandev mwl0 wlanmode hostap bssid \e
|
|
ssid freeloaders up
|
|
ifconfig bridge0 create addm wlan0 addm wlan1 addm fxp0 up
|
|
.Ed
|
|
.Sh DIAGNOSTICS
|
|
.Bl -diag
|
|
.It "mwl%d: unable to setup builtin firmware"
|
|
There was a problem downloading and/or setting up the firmware.
|
|
The device is not usable.
|
|
.It "mwl%d: failed to setup descriptors: %d"
|
|
There was a problem setting up the DMA data structures.
|
|
This typically is caused by not being able to allocate contiguous memory.
|
|
.It "mwl%d: transmit timeout"
|
|
A frame dispatched to the hardware for transmission did not complete in time.
|
|
This should not happen.
|
|
.It "mwl%d: device not present"
|
|
A cardbus device was ejected while active; the request to the firmware
|
|
was not completed.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr cardbus 4 ,
|
|
.Xr intro 4 ,
|
|
.Xr mwlfw 4 ,
|
|
.Xr pci 4 ,
|
|
.Xr wlan 4 ,
|
|
.Xr wlan_ccmp 4 ,
|
|
.Xr wlan_tkip 4 ,
|
|
.Xr wlan_wep 4 ,
|
|
.Xr wlan_xauth 4 ,
|
|
.Xr hostapd 8 ,
|
|
.Xr ifconfig 8 ,
|
|
.Xr wpa_supplicant 8
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
device driver first appeared in
|
|
.Fx 8.0 .
|
|
.Sh BUGS
|
|
The driver does not support power-save operation in station mode;
|
|
consequently power use is suboptimal (e.g. on a laptop).
|