1.\" Copyright (c) 2004-2006 2.\" Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice unmodified, this list of conditions, and the following 9.\" disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD: head/share/man/man4/iwm.4 286441 2015-08-08 06:06:48Z rpaulo $ 27.\" 28.Dd June 5, 2016 29.Dt IWM 4 30.Os 31.Sh NAME 32.Nm iwm 33.Nd Intel IEEE 802.11ac wireless network driver 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36include the following lines in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device iwm" 40.Cd "device pci" 41.Cd "device wlan" 42.\".Cd "device firmware" 43.Ed 44.Pp 45You also need to select a firmware for your device. 46.\"Choose one from: 47.\".Bd -ragged -offset indent 48.\".Cd "device iwm3160fw" 49.\".Cd "device iwm7260fw" 50.\".Cd "device iwm7265fw" 51.\".Cd "device iwm8000Cfw" 52.\".Ed 53.\".Pp 54.\"Or you can use 55Use 56.Bd -ragged -offset indent 57.Cd "device iwmfw" 58.Ed 59.Pp 60to include them all. 61.Pp 62Alternatively, to load the driver as a 63module at boot time, place the following lines in 64.Xr loader.conf 5 : 65.Bd -literal -offset indent 66if_iwm_load="YES" 67iwm3160fw_load="YES" 68iwm7260fw_load="YES" 69iwm7265fw_load="YES" 70iwm8000Cfw_load="YES" 71.Ed 72.Sh DESCRIPTION 73The 74.Nm 75driver provides support for: 76.Pp 77.Bl -tag -width Ds -offset indent -compact 78.It Intel Dual Band Wireless AC 3160 79.It Intel Dual Band Wireless AC 3165 80.It Intel Dual Band Wireless AC 7260 81.It Intel Dual Band Wireless AC 7265 82.It Intel Dual Band Wireless AC 8260 83.El 84.Pp 85.Nm 86supports 87.Cm station 88mode operation. 89Only one virtual interface may be configured at any time. 90For more information on configuring this device, see 91.Xr ifconfig 8 . 92.Pp 93This driver requires the firmware built with the 94.Nm iwmfw 95module to work. 96.Sh LOADER TUNABLES 97.Bl -tag -width indent 98.It Va hw.iwm.msi.enable 99By default, the driver will use MSI if it is supported. 100This behavior can be turned off by setting this tunable to 0. 101.El 102.Sh EXAMPLES 103Join an existing BSS network (i.e., connect to an access point): 104.Bd -literal -offset indent 105ifconfig wlan create wlandev iwm0 inet 192.168.0.20 \e 106 netmask 0xffffff00 107.Ed 108.Pp 109Join a specific BSS network with network name 110.Dq Li my_net : 111.Pp 112.Dl "ifconfig wlan create wlandev iwm0 ssid my_net up" 113.Pp 114Join a specific BSS network with 64-bit WEP encryption: 115.Bd -literal -offset indent 116ifconfig wlan create wlandev iwm0 ssid my_net \e 117 wepmode on wepkey 0x1234567890 weptxkey 1 up 118.Ed 119.Pp 120Join a specific BSS network with 128-bit WEP encryption: 121.Bd -literal -offset indent 122ifconfig wlan create wlandev iwm0 wlanmode adhoc ssid my_net \e 123 wepmode on wepkey 0x01020304050607080910111213 weptxkey 1 124.Ed 125.Sh DIAGNOSTICS 126.Bl -diag 127.It "iwm%d: device timeout" 128The driver will reset the hardware. 129This should not happen. 130.It "iwm%d: firmware error" 131The onboard microcontroller crashed for some reason. 132The driver will reset the hardware. 133This should not happen. 134.It "iwm%d: timeout waiting for firmware initialization to complete" 135The onboard microcontroller failed to initialize in time. 136This should not happen. 137.It "iwm%d: could not load firmware image '%s'" 138The driver failed to load the firmware image using the 139.Xr firmware 9 140subsystem. 141Verify the 142.Xr iwmfw 4 143firmware module is present. 144.It "iwm%d: could not load boot firmware" 145An attempt to upload the boot firmware image to the onboard microcontroller 146failed. 147This should not happen. 148.It "iwm%d: could not load microcode" 149An attempt to upload the microcode image to the onboard microcontroller failed. 150This should not happen. 151.It "iwm%d: could not load main firmware" 152An attempt to upload the main firmware image to the onboard microcontroller 153failed. 154This should not happen. 155.El 156.Sh SEE ALSO 157.Xr iwmfw 4 , 158.Xr pci 4 , 159.Xr wlan 4 , 160.Xr wlan_ccmp 4 , 161.Xr wlan_tkip 4 , 162.Xr wlan_wep 4 , 163.Xr ifconfig 8 , 164.Xr wpa_supplicant 8 165