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authorFlorian Fainelli <florian@openwrt.org>2007-08-03 09:31:47 +0000
committerFlorian Fainelli <florian@openwrt.org>2007-08-03 09:31:47 +0000
commitc592d03090cbf890565f998ce8bf5b7c0e4fbb6b (patch)
tree424107663dc8b6f27ec877cf4a113ead8e35175a
parent6dcd8081a34936c82f53a94ba10467bb7aec2587 (diff)
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Add some more documentation
SVN-Revision: 8330
-rw-r--r--docs/Makefile3
-rw-r--r--docs/network.tex10
-rw-r--r--docs/wireless.tex52
3 files changed, 65 insertions, 0 deletions
diff --git a/docs/Makefile b/docs/Makefile
index ffc5bbb..f6caa82 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -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 \
))
diff --git a/docs/network.tex b/docs/network.tex
index 7d811ba..16e5571 100644
--- a/docs/network.tex
+++ b/docs/network.tex
@@ -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}
diff --git a/docs/wireless.tex b/docs/wireless.tex
index 67be1d2..861e04d 100644
--- a/docs/wireless.tex
+++ b/docs/wireless.tex
@@ -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.
+