====== FreeBSD - WLAN ======

  * [[http://www.freebsd.org/doc/de/books/handbook/book.html]]

PCI-Karte:
  # pciconf -lv
  ath0@pci0:3:0:0:        class=0x020000 card=0x058a1014 chip=0x1014168c rev=0x01 hdr=0x00
      vendor     = 'Atheros Communications Inc.'
      device     = 'AR5212 Atheros AR5212 802.11abg wireless'
      class      = network
      subclass   = ethernet

USB-Stick:
  # usbconfig list
  ugen3.2: <ZyXEL NWD271N ATHER> at usbus3, cfg=0 md=HOST spd=HIGH (480Mbps) pwr=ON

Da sehen wir, das es sich hierbei um einen Atheros-Chip (NWD271N -> AR-9170) handelt.
Leider wird selbst von FreeBSD 9.0 diese Stick noch nicht unterstützt.

Allerdings wird der "''ZyXEL NWD270''" von FreeBSD unterstützt.

Die man-Page zu dem Atheros-Treiber ermitteln:
  # man -k Atheros
  ath(4)                   - Atheros IEEE 802.11 wireless network driver
  ath_hal(4)               - Atheros Hardware Access Layer (HAL)

Deshalb lesen wir als erstes ein mal die entsprechende man-Page:
  # man ath

  * [[http://www.freebsd.org/doc/de/books/handbook/network-wireless.html]]


==== /boot/loader.conf ====

Bei FreeBSD 8.2 kann diese Datei leer bleiben,
weil die unten aufgeführten Treiber bereits im GENERIC-Kernel enthalten sind.

  # Atheros
  if_ath_load="YES"
  # Intersil Prism
  #if_wi_load="YES"
  # Verschlüsselungsmodule (werden eigentlich automatisch geladen)
  wlan_wep_load="YES"
  wlan_ccmp_load="YES"
  wlan_tkip_load="YES"


==== KERNEL ====

  device          wlan            # 802.11 support
  device          wlan_wep        # 802.11 WEP support
  device          wlan_ccmp       # 802.11 CCMP support
  device          wlan_tkip       # 802.11 TKIP support
  device          wlan_amrr       # AMRR transmit rate control algorithm
  device          ath             # Atheros pci/cardbus NIC's
  device          ath_hal         # pci/cardbus chip support
  device          wi              # WaveLAN/Intersil/Symbol 802.11 wireless NICs.
  options         AH_SUPPORT_AR5416       # enable AR5416 tx/rx descriptors
  device          ath_rate_sample # SampleRate tx rate control for ath


==== AP ====


=== Scan ===

  # ifconfig wlan0 create wlandev ath0
  # ifconfig wlan0 up scan
  SSID/MESH ID    BSSID              CHAN RATE   S:N     INT CAPS
  dlinkap         00:13:46:49:41:76   11   54M -90:96   100 EPS  WPA WME
  freebsdap       00:11:95:c3:0d:ac    1   54M -83:96   100 EPS  WPA


=== Liste ===

  # ifconfig wlan0 list scan


==== /etc/rc.conf ====

  wlans_ath0="wlan0"
  ifconfig_wlan0="mode 11g ssid Ihre_SSID DHCP"

==== WPA-PSK ====

  * [[http://www.freebsd.org/doc/de/books/handbook/network-wireless.html#NETWORK
-WIRELESS-WPA]]


=== /etc/wpa_supplicant.conf ===

  network={
    ssid="freebsdap"
    psk="freebsdmall"
  }


==== /etc/rc.conf ====

  wlans_ath0="wlan0"
  ifconfig_wlan0="WPA DHCP"


==== Start ====

  # /etc/rc.d/netif start


----

  * [[http://unix.derkeiler.com/Mailing-Lists/FreeBSD/current/2008-04/msg00460.html]]
  * [[http://kerneltrap.org/mailarchive/freebsd-current/2008/4/27/1616124/thread]]


== rc.conf ==
  wlans_ath0="wlan0"
  ifconfig_wlan0="WPA DHCP"

== dev ==
  ifconfig wlan0 create wlandev ath0

----


==== WPA-PSK-basierender Host-Access Point ====


=== /etc/rc.conf ===

  hostapd_enable="YES"


=== /etc/hostapd.conf ===

  interface=wlan0
  debug=1
  ctrl_interface=/var/run/hostapd
  ctrl_interface_group=wheel
  ssid=freebsdap
  wpa=1
  wpa_passphrase=freebsdmall
  wpa_key_mgmt=WPA-PSK
  wpa_pairwise=CCMP TKIP


=== Start ===

  # /etc/rc.d/hostapd forcestart
  # ifconfig wlan0