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Add some more documentation

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SVN-Revision: 8330
This commit is contained in:
Florian Fainelli 2007-08-03 09:31:47 +00:00
parent 6dcd8081a3
commit c592d03090
3 changed files with 65 additions and 0 deletions
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3
docs/Makefile
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@ -32,6 +32,9 @@ clean: cleanup
cleanup: FORCE
rm -f *.log *.aux *.toc *.out *.lg *.dvi *.idv *.4ct *.4tc *.xref *.tmp *.dvi
$(eval $(call RequireCommand,latex, \
You need to install LaTeX to build the OpenWrt documentation \
))
$(eval $(call RequireCommand,pdflatex, \
You need to install LaTeX to build the OpenWrt documentation \
))

10
docs/network.tex
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@ -102,3 +102,13 @@ As value it takes a list of ports with these optional suffixes:
The CPU port defaults to tagged, all other ports to untagged.
On Broadcom hardware the CPU port is always 5. The other ports may vary with
different hardware.
For instance, if you wish to have 3 vlans, like one 3-port switch, 1 port in a
DMZ, and another one as your WAN interface, use the following configuration :
\begin{Verbatim}
config switch "eth0"
option vlan0 "1 2 3 5*"
option vlan1 "0 5"
option vlan2 "4 5"
\end{Verbatim}

52
docs/wireless.tex
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@ -3,6 +3,12 @@ The WiFi settings are configured in the file \texttt{/etc/config/wireless}
it should detect your card and create a sample configuration file. By default '\texttt{option network lan}' is
commented. This prevents unsecured sharing of the network over the wireless interface.
Each wireless driver has its own configuration script in \texttt{/lib/wifi/driver\_name.sh} which handles
driver specific options and configurations. This script is also calling driver specific binaries like wlc for
Broadcom, or hostapd and wpa\_supplicant for atheros.
The reason for using such architecture, is that it abstracts the driver configuration
\paragraph{Generic Broadcom wireless config:}
\begin{Verbatim}
@ -210,3 +216,49 @@ Only the following mode combinations are supported:
\item 1x \texttt{adhoc}
\end{itemize}
\end{itemize}
\paragraph{Adding a new driver configuration}
Since we currently only support two different wireless drivers : Broadcom and Atheros,
you might be interested in adding support for another driver like Ralink RT2x00,
Texas Instruments ACX100/111.
The driver specific script should be placed in \texttt{/lib/wifi/<driver>.sh} and has to
include several functions providing :
\begin{itemize}
\item detection of the driver presence
\item enabling/disabling the wifi interface(s)
\item configuration reading and setting
\item third-party programs calling (nas, supplicant)
\end{itemize}
Each driver script should append the driver to a global DRIVERS variable :
\begin{verbatim}
append DRIVERS "driver name"
\end{verbatim}
\subparagraph{scan\_driver}
This function will parse the \texttt{/etc/config/wireless} and make sure there
are no configuration incompatibilities, like enabling hidden SSIDS with ad-hoc mode
for instance. This can be more complex if your driver supports a lof of configuration
options. It does not enable your wireless driver to work.
\subparagraph{enable\_driver}
This function will enable the driver and read the configuration file to create application
specific configuration files for the NAS or supplicant program. It will not check the
configuration consistency.
\subparagraph{disable\_driver}
This function should properly shutdown the wireless interfaces and kill associated programs
running on top of it.
\subparagraph{detec\_driver}
This function should reliably report the existence of the driver and of one or more of its
wireless interfaces. A basic configuration file has to be generated in the meantime.