Add some more documentation
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@ -32,6 +32,9 @@ clean: cleanup
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cleanup: FORCE
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rm -f *.log *.aux *.toc *.out *.lg *.dvi *.idv *.4ct *.4tc *.xref *.tmp *.dvi
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$(eval $(call RequireCommand,latex, \
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You need to install LaTeX to build the OpenWrt documentation \
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))
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$(eval $(call RequireCommand,pdflatex, \
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You need to install LaTeX to build the OpenWrt documentation \
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))
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@ -102,3 +102,13 @@ As value it takes a list of ports with these optional suffixes:
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The CPU port defaults to tagged, all other ports to untagged.
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On Broadcom hardware the CPU port is always 5. The other ports may vary with
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different hardware.
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For instance, if you wish to have 3 vlans, like one 3-port switch, 1 port in a
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DMZ, and another one as your WAN interface, use the following configuration :
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\begin{Verbatim}
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config switch "eth0"
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option vlan0 "1 2 3 5*"
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option vlan1 "0 5"
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option vlan2 "4 5"
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\end{Verbatim}
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@ -3,6 +3,12 @@ The WiFi settings are configured in the file \texttt{/etc/config/wireless}
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it should detect your card and create a sample configuration file. By default '\texttt{option network lan}' is
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commented. This prevents unsecured sharing of the network over the wireless interface.
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Each wireless driver has its own configuration script in \texttt{/lib/wifi/driver\_name.sh} which handles
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driver specific options and configurations. This script is also calling driver specific binaries like wlc for
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Broadcom, or hostapd and wpa\_supplicant for atheros.
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The reason for using such architecture, is that it abstracts the driver configuration
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\paragraph{Generic Broadcom wireless config:}
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\begin{Verbatim}
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@ -210,3 +216,49 @@ Only the following mode combinations are supported:
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\item 1x \texttt{adhoc}
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\end{itemize}
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\end{itemize}
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\paragraph{Adding a new driver configuration}
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Since we currently only support two different wireless drivers : Broadcom and Atheros,
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you might be interested in adding support for another driver like Ralink RT2x00,
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Texas Instruments ACX100/111.
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The driver specific script should be placed in \texttt{/lib/wifi/<driver>.sh} and has to
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include several functions providing :
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\begin{itemize}
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\item detection of the driver presence
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\item enabling/disabling the wifi interface(s)
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\item configuration reading and setting
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\item third-party programs calling (nas, supplicant)
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\end{itemize}
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Each driver script should append the driver to a global DRIVERS variable :
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\begin{verbatim}
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append DRIVERS "driver name"
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\end{verbatim}
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\subparagraph{scan\_driver}
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This function will parse the \texttt{/etc/config/wireless} and make sure there
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are no configuration incompatibilities, like enabling hidden SSIDS with ad-hoc mode
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for instance. This can be more complex if your driver supports a lof of configuration
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options. It does not enable your wireless driver to work.
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\subparagraph{enable\_driver}
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This function will enable the driver and read the configuration file to create application
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specific configuration files for the NAS or supplicant program. It will not check the
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configuration consistency.
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\subparagraph{disable\_driver}
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This function should properly shutdown the wireless interfaces and kill associated programs
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running on top of it.
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\subparagraph{detec\_driver}
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This function should reliably report the existence of the driver and of one or more of its
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wireless interfaces. A basic configuration file has to be generated in the meantime.
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