1.\" $NetBSD: bwi.4,v 1.13 2014/03/18 18:20:39 riastradh Exp $ 2.\" 3.\" Copyright (c) 2007 The DragonFly Project. All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in 13.\" the documentation and/or other materials provided with the 14.\" distribution. 15.\" 3. Neither the name of The DragonFly Project nor the names of its 16.\" contributors may be used to endorse or promote products derived 17.\" from this software without specific, prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22.\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23.\" COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24.\" INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 25.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 28.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 29.\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" $DragonFly: src/share/man/man4/bwi.4,v 1.10 2008/07/26 16:25:40 swildner Exp $ 33.\" 34.Dd April 25, 2012 35.Dt BWI 4 36.Os 37.Sh NAME 38.Nm bwi 39.Nd Broadcom BCM430x/4318 IEEE 802.11b/g wireless network driver 40.Sh SYNOPSIS 41.Cd "bwi* at pci? dev ? function ?" 42.Cd "bwi* at cardbus? function ?" 43.Sh DESCRIPTION 44The 45.Nm 46driver provides support for Broadcom BCM430x/4318 wireless network adapters. 47For more information on configuring this device, see 48.Xr ifconfig 8 . 49.Ss MIB Variables 50The following per-interface variables are implemented in the 51.Va hw.bwi Ns Em X 52branch of the 53.Xr sysctl 3 54MIB. 55.Bl -tag -width ".Va txpwr_calib" 56.It Va debug 57Debug flags. 58.It Va dwell_time 59Channel dwell time during scan (msec). 60.It Va fw_version 61Firmware version. 62.It Va led_idle 63Number of ticks before LED enters idle state. 64.It Va led_blink 65Allow LED to blink. 66.It Va txpwr_calib 67Enable software TX power calibration. 68.El 69.Sh HARDWARE 70The following cards are among those supported by the 71.Nm 72driver: 73.Pp 74.Bl -column -offset 6n -compact "Apple AirPort Extreme" "BCM4318" "Mini PCI" "b/g" 75.It Em "Card Chip Bus Standard" 76.It Buffalo WLI-CB-G54 BCM4306 CardBus b/g 77.It Buffalo WLI3-CB-G54L BCM4318 CardBus b/g 78.It Buffalo WLI-PCI-G54S BCM4306 PCI b/g 79.It Dell Wireless 1370 BCM4318 Mini PCI b/g 80.It Dell Wireless 1470 BCM4318 Mini PCI b/g 81.It Dell Truemobile 1400 BCM4309 Mini PCI b/g 82.It Dell Latitude D505 BCM4306 PCI b/g 83.It Apple AirPort Extreme b/g 84.El 85.Sh FILES 86The firmware for the adapter is not shipped with 87.Nx 88and must be obtained separately. 89An archive with firmware files that are known to work can be found at: 90.Bd -literal -offset indent 91.Lk http://leaf.dragonflybsd.org/~sephe/bwi/v3.tbz 92.Ed 93.Pp 94The firmware files conventionally reside in 95.Pa /libdata/firmware/bwi 96and will be loaded when the interface is brought up. 97.Em Note : 98the v3 subdirectory in the above firmware archive should exist 99in the firmware folder. 100The full list of paths checked for firmware can be found in the 101.Va hw.firmware.path 102.Xr sysctl 3 103node. 104.Sh SEE ALSO 105.Xr arp 4 , 106.Xr cardbus 4 , 107.Xr ifmedia 4 , 108.Xr pci 4 , 109.Xr ifconfig 8 , 110.Xr sysctl 8 , 111.Xr wiconfig 8 , 112.Xr wpa_supplicant 8 113.Sh HISTORY 114The 115.Nm 116driver first appeared in 117.Nx 6.0 . 118.Sh AUTHORS 119.An -nosplit 120The 121.Nm 122driver was written by 123.An Sepherosa Ziehau 124for Dragonfly BSD. 125It was ported to 126.Nx 127by 128.An Taylor R. Campbell Aq Mt riastradh@NetBSD.org . 129.Pp 130The hardware specification was reverse engineered by the people at 131.Lk http://bcm-specs.sipsolutions.net . 132Thanks go also to johill and mb on the #bcm-specs channel. 133.Sh BUGS 134BCM4306 and BCM4309 chips do not work properly on channel 1, 2, and 3. 135