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fix b/g mode selection for madwifi, update documentation

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5973 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2007-01-04 01:29:01 +00:00
parent 33c98e51b9
commit 8fb079219b
2 changed files with 51 additions and 7 deletions
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37
docs/wireless.tex
View File

@ -1,7 +1,9 @@
The WiFi settings are configured in the file \texttt{/etc/config/wireless}
(currently supported on Broadcom only). When booting the router for the first time
(currently supported on Broadcom and Atheros). When booting the router for the first time
it should detect your card and create a sample configuration that looks like this:
\paragraph{Sample Broadcom wireless config:}
\begin{Verbatim}
config wifi-device "wl0"
option type "broadcom"
@ -15,6 +17,22 @@ config wifi-iface
option encryption "none"
\end{Verbatim}
\paragraph{Sample Atheros wireless config:}
\begin{Verbatim}
config wifi-device "wifi0"
option type "atheros"
option channel "5"
option mode "11g"
config wifi-iface
option device "wifi0"
option mode "ap"
option ssid "OpenWrt"
option hidden "0"
option encryption "none"
\end{Verbatim}
There are two types of config sections in this file. The '\texttt{wifi-device}' refers to
the physical wifi interface and '\texttt{wifi-iface}' configures a virtual interface on top
of that (if supported by the driver).
@ -25,11 +43,14 @@ of that (if supported by the driver).
\item \texttt{type} \\
The driver to use for this interface.
\item \texttt{mode} \\
The frequency band (\texttt{b}, \texttt{g}, \texttt{bg}, \texttt{a})
\item \texttt{country} \\
The country code used to determine the regulatory settings.
\item \texttt{channel} \\
The wifi channel (1-14, depending on your country setting).
The wifi channel (e.g. 1-14, depending on your country setting).
\item \texttt{maxassoc} \\
Maximum number of associated clients
@ -56,6 +77,7 @@ of that (if supported by the driver).
WDS point-to-point link
\end{itemize}
\item \texttt{network} \\
Selects the interface section from \texttt{/etc/config/network} to be
used with this interface
@ -85,10 +107,10 @@ of that (if supported by the driver).
\paragraph{Limitations:}
Only the following mode combinations are supported:
\begin{itemize}
\item \textbf{Broadcom}: \\
Only the following mode combinations are supported:
\begin{itemize}
\item 1x \texttt{sta}, 0-3x \texttt{ap}
\item 1-4x \texttt{ap}
@ -98,6 +120,13 @@ of that (if supported by the driver).
WDS links can only be used in pure AP mode and can't use WEP (except when sharing the
settings with the master interface, which is done automatically).
\item \textbf{Atheros}: \\
\begin{itemize}
\item 1x \texttt{sta}, 0-4x \texttt{ap}
\item 1-4x \texttt{ap}
\item 1x \texttt{adhoc}
\end{itemize}
\end{itemize}

19
package/madwifi/files/lib/wifi/madwifi.sh
View File

@ -73,6 +73,7 @@ enable_atheros() {
config_get vifs "$device" vifs
disable_atheros "$device"
local first=1
for vif in $vifs; do
nosbeacon=
config_get ifname "$vif" ifname
@ -89,8 +90,22 @@ enable_atheros() {
}
config_set "$vif" ifname "$ifname"
[ "$first" = 1 ] && {
# only need to change freq band and channel on the first vif
config_get "$device" mode
iwpriv "$ifname" mode "${mode:-11g}"
pureg=0
case "$mode" in
*b) mode=11b;;
*bg) mode=11g;;
*g) mode=11g; pureg=1;;
*a) mode=11a;;
*) mode=11g;;
esac
iwconfig "$ifname" channel 0
iwpriv "$ifname" mode "$mode"
iwpriv "$ifname" pureg "$pureg"
iwconfig "$ifname" channel "$channel"
}
config_get wds "$vif" wds
case "$wds" in
@ -120,7 +135,6 @@ enable_atheros() {
config_get ssid "$vif" ssid
;;
esac
iwconfig "$ifname" channel "$channel"
ifconfig "$ifname" up
local net_cfg bridge
@ -145,6 +159,7 @@ enable_atheros() {
# FIXME: implement wpa_supplicant calls here
;;
esac
first=0
done
}