A full outline of the wireless configuration file with description of each field:
\begin{Verbatim}
-config wifi-device wifi device name
- option type broadcom, atheros, mac80211
- option country us, uk, fr, de, etc.
- option channel 1-14
- option maxassoc 1-128 (broadcom only)
- option distance 1-n
+config wifi-device wifi device name
+ option type broadcom, atheros, mac80211
+ option country us, uk, fr, de, etc.
+ option channel 1-14
+ option maxassoc 1-128 (broadcom only)
+ option distance 1-n
option agmode 11b, 11g, 11a, 11bg (atheros only)
+ option rxantenna 0,1,2 (atheros, broadcom)
+ option txantenna 0,1,2 (atheros, broadcom)
config wifi-iface
option network the interface you want wifi to bridge with
option device wifi0, wifi1, wifi2, wifiN
option mode ap, sta, adhoc, monitor, or wds
+ option txpower transmission power in dBm
option ssid ssid name
option bssid bssid address
option encryption none, wep, psk, psk2, wpa, wpa2
\item \texttt{mode} \\
The frequency band (\texttt{b}, \texttt{g}, \texttt{bg}, \texttt{a}). This feature is only supported on the atheros chipset.
+ \item \texttt{diversity} \\
+ Optional: Enable diversity for the Wi-Fi device. This feature is supported only on the atheros chipset.
+
+ \item \texttt{rxantenna} \\
+ Optional: Antenna identifier (0, 1 or 2) for reception. This feature is supported by atheros and some broadcom chipsets.
+
+ \item \texttt{txantenna} \\
+ Optional: Antenna identifier (0, 1 or 2) for emission. This feature is supported by atheros and some broadcom chipsets.
\end{itemize}
\item \texttt{bssid}
Set the BSSID address to be used for wds to set the mac address of the other wds unit.
+ \item \texttt{txpower}
+ Set the transmission power to be used. The amount is specified in dBm.
+
\item \texttt{encryption} \\
Encryption setting. Accepts the following values:
option key "<psk for WDS>"
\end{Verbatim}
+\paragraph{802.1x configurations}
+
+OpenWrt supports both 802.1x client and Access Point
+configurations. 802.1x client is only working with
+Atheros or mac80211 drivers. Configuration only
+supports EAP types TLS, TTLS or PEAP.
+
+\subparagraph{EAP-TLS}
+
+\begin{Verbatim}
+config wifi-iface
+ option device "ath0"
+ option network lan
+ option ssid OpenWrt
+ option eap_type tls
+ option ca_cert "/etc/config/certs/ca.crt"
+ option priv_key "/etc/config/certs/priv.crt"
+ option priv_key_pwd "PKCS#12 passphrase"
+\end{Verbatim}
+
+\subparagraph{EAP-PEAP}
+
+\begin{Verbatim}
+config wifi-iface
+ option device "ath0"
+ option network lan
+ option ssid OpenWrt
+ option eap_type peap
+ option ca_cert "/etc/config/certs/ca.crt"
+ option auth MSCHAPV2
+ option identity username
+ option password password
+\end{Verbatim}
\paragraph{Limitations:}