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 29, 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 iwm3168fw" 50.\".Cd "device iwm7260fw" 51.\".Cd "device iwm7265fw" 52.\".Cd "device iwm7265Dfw" 53.\".Cd "device iwm8000Cfw" 54.\".Cd "device iwm8265fw" 55.\".Ed 56.\".Pp 57.\"Or you can use 58Use 59.Bd -ragged -offset indent 60.Cd "device iwmfw" 61.Ed 62.Pp 63to include them all. 64.Pp 65Alternatively, to load the driver as a 66module at boot time, place the following lines in 67.Xr loader.conf 5 : 68.Bd -literal -offset indent 69if_iwm_load="YES" 70iwm3160fw_load="YES" 71iwm3168fw_load="YES" 72iwm7260fw_load="YES" 73iwm7265fw_load="YES" 74iwm7265Dfw_load="YES" 75iwm8000Cfw_load="YES" 76iwm8265fw_load="YES" 77.Ed 78.Sh DESCRIPTION 79The 80.Nm 81driver provides support for: 82.Pp 83.Bl -tag -width Ds -offset indent -compact 84.It Intel Dual Band Wireless AC 3160 85.It Intel Dual Band Wireless AC 3165 86.It Intel Dual Band Wireless AC 3168 87.It Intel Dual Band Wireless AC 7260 88.It Intel Dual Band Wireless AC 7265 89.It Intel Dual Band Wireless AC 8260 90.It Intel Dual Band Wireless AC 8265 91.El 92.Pp 93.Nm 94supports 95.Cm station 96mode operation. 97Only one virtual interface may be configured at any time. 98For more information on configuring this device, see 99.Xr ifconfig 8 . 100.Pp 101This driver requires the firmware built with the 102.Nm iwmfw 103module to work. 104.Sh LOADER TUNABLES 105.Bl -tag -width indent 106.It Va hw.iwm.msi.enable 107By default, the driver will use MSI if it is supported. 108This behavior can be turned off by setting this tunable to 0. 109.It Va hw.iwm.power_scheme 110Power management scheme: 1111 = active, 2 = balanced (default), 3 = low power 112.It Va hw.iwm.lar.disable 113Allows disabling LAR (Location Aware Regulatory) feature: 1140 = LAR enabled if available (default), 1 = LAR disabled 115.El 116.Sh EXAMPLES 117Join an existing BSS network (i.e., connect to an access point): 118.Bd -literal -offset indent 119ifconfig wlan create wlandev iwm0 inet 192.168.0.20 \e 120 netmask 0xffffff00 121.Ed 122.Pp 123Join a specific BSS network with network name 124.Dq Li my_net : 125.Pp 126.Dl "ifconfig wlan create wlandev iwm0 ssid my_net up" 127.Pp 128Join a specific BSS network with 64-bit WEP encryption: 129.Bd -literal -offset indent 130ifconfig wlan create wlandev iwm0 ssid my_net \e 131 wepmode on wepkey 0x1234567890 weptxkey 1 up 132.Ed 133.Pp 134Join a specific BSS network with 128-bit WEP encryption: 135.Bd -literal -offset indent 136ifconfig wlan create wlandev iwm0 wlanmode adhoc ssid my_net \e 137 wepmode on wepkey 0x01020304050607080910111213 weptxkey 1 138.Ed 139.Sh DIAGNOSTICS 140.Bl -diag 141.It "iwm%d: device timeout" 142The driver will reset the hardware. 143This should not happen. 144.It "iwm%d: firmware error" 145The onboard microcontroller crashed for some reason. 146The driver will reset the hardware. 147This should not happen. 148.It "iwm%d: fw chunk addr 0x%x len %d failed to load" 149Timed out waiting for a segment of the firmware to load. 150This should not happen. 151.It "iwm%d: could not read firmware %s (error %d)" 152The driver failed to load the firmware image using the 153.Xr firmware 9 154subsystem. 155Verify the 156.Xr iwmfw 4 157firmware module is present. 158.It "iwm%d: Failed to start INIT ucode: %d" 159An attempt to upload the INIT firmware image to the onboard microcontroller 160failed. 161This should not happen. 162.It "iwm%d: could not load firmware" 163An attempt to upload the REGULAR firmware image to the onboard microcontroller 164failed. 165This should not happen. 166.El 167.Sh SEE ALSO 168.Xr iwmfw 4 , 169.Xr pci 4 , 170.Xr wlan 4 , 171.Xr wlan_ccmp 4 , 172.Xr wlan_tkip 4 , 173.Xr wlan_wep 4 , 174.Xr ifconfig 8 , 175.Xr wpa_supplicant 8 176.Sh HISTORY 177The 178.Nm 179device driver first appeared in 180.Ox 5.7 . 181