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 October 20, 2015 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.\".Ed 52.\".Pp 53.\"Or you can use 54Use 55.Bd -ragged -offset indent 56.Cd "device iwmfw" 57.Ed 58.Pp 59to include them all. 60.Pp 61Alternatively, to load the driver as a 62module at boot time, place the following lines in 63.Xr loader.conf 5 : 64.Bd -literal -offset indent 65if_iwm_load="YES" 66iwm3160fw_load="YES" 67iwm7260fw_load="YES" 68iwm7265fw_load="YES" 69.Ed 70.Sh DESCRIPTION 71The 72.Nm 73driver provides support for: 74.Pp 75.Bl -tag -width Ds -offset indent -compact 76.It Intel Dual Band Wireless AC 3160 77.It Intel Dual Band Wireless AC 7260 78.It Intel Dual Band Wireless AC 7265 79.El 80.Pp 81.Nm 82supports 83.Cm station 84mode operation. 85Only one virtual interface may be configured at any time. 86For more information on configuring this device, see 87.Xr ifconfig 8 . 88.Pp 89This driver requires the firmware built with the 90.Nm iwmfw 91module to work. 92.Sh LOADER TUNABLES 93.Bl -tag -width indent 94.It Va hw.iwm.msi.enable 95By default, the driver will use MSI if it is supported. 96This behavior can be turned off by setting this tunable to 0. 97.El 98.Sh EXAMPLES 99Join an existing BSS network (i.e., connect to an access point): 100.Bd -literal -offset indent 101ifconfig wlan create wlandev iwm0 inet 192.168.0.20 \e 102 netmask 0xffffff00 103.Ed 104.Pp 105Join a specific BSS network with network name 106.Dq Li my_net : 107.Pp 108.Dl "ifconfig wlan create wlandev iwm0 ssid my_net up" 109.Pp 110Join a specific BSS network with 64-bit WEP encryption: 111.Bd -literal -offset indent 112ifconfig wlan create wlandev iwm0 ssid my_net \e 113 wepmode on wepkey 0x1234567890 weptxkey 1 up 114.Ed 115.Pp 116Join a specific BSS network with 128-bit WEP encryption: 117.Bd -literal -offset indent 118ifconfig wlan create wlandev iwm0 wlanmode adhoc ssid my_net \e 119 wepmode on wepkey 0x01020304050607080910111213 weptxkey 1 120.Ed 121.Sh DIAGNOSTICS 122.Bl -diag 123.It "iwm%d: device timeout" 124The driver will reset the hardware. 125This should not happen. 126.It "iwm%d: firmware error" 127The onboard microcontroller crashed for some reason. 128The driver will reset the hardware. 129This should not happen. 130.It "iwm%d: timeout waiting for firmware initialization to complete" 131The onboard microcontroller failed to initialize in time. 132This should not happen. 133.It "iwm%d: could not load firmware image '%s'" 134The driver failed to load the firmware image using the 135.Xr firmware 9 136subsystem. 137Verify the 138.Xr iwmfw 4 139firmware module is present. 140.It "iwm%d: could not load boot firmware" 141An attempt to upload the boot firmware image to the onboard microcontroller 142failed. 143This should not happen. 144.It "iwm%d: could not load microcode" 145An attempt to upload the microcode image to the onboard microcontroller failed. 146This should not happen. 147.It "iwm%d: could not load main firmware" 148An attempt to upload the main firmware image to the onboard microcontroller 149failed. 150This should not happen. 151.El 152.Sh SEE ALSO 153.Xr iwmfw 4 , 154.Xr pci 4 , 155.Xr wlan 4 , 156.Xr wlan_ccmp 4 , 157.Xr wlan_tkip 4 , 158.Xr wlan_wep 4 , 159.Xr ifconfig 8 , 160.Xr wpa_supplicant 8 161