Editing Bluetooth PAN

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Personal Area Networking Profile of Bluetooth protocol allows you to connect your Maemo device via another device to another network such as the Internet.

The Connection manager is used for this purpose, exactly the same way as you connect to a WLAN network or to a cell phone dial-up connection ([[Bluetooth DUN]]). Most Windows Smartphones use this method of connection when used as a modem via Bluetooth.

If you have [[Nokia N900]] you may instead use it as PAN server to allow an other device such as a Nokia N8x0 to utilize Bluetooth PAN.

== Bluetooth NAP ==

NAP stands for Network Access Point. It's a PAN profile for serving incoming connections.

=== Installing ===

For the [[Nokia N900]] pan is disabled by default.
To enable it, edit /etc/bluetooth/main.conf and remove ''network'' from the disabled plugins
 [General]
 # List of plugins that should not be loaded on bluetoothd startup
 DisablePlugins = <s>network</s>,input,hal
''libicd-network-null'' is also recommended for using internet over bluetooth
 apt-get install libicd-network-null

For other devices you need to install maemo-pan through the Application manager. You may need to restart your tablet after installation in order to force a dependency on maemo-pan (libicd-network-dummy package) being loaded.

Tap on the Connectivity icon in your status bar and either "Select a connection" or "Change connection" to see a list of available network access points. You should see one called "Dummy Network" (this name will likely change in future versions of maemo-pan, see [https://bugs.maemo.org/show_bug.cgi?id=3306 bug #3306] for details).

To connect to the Internet through this connection you must make sure the "Internet Connection Sharing" application is running on your phone and has a connection. Select the "Dummy Network" from the tablet network list and enjoy anywhere Internet!

===Sharing your connection over bluetooth [n900]===

Using [http://maemo.org/packages/view/genwall genwall] for internet connection sharing over bluetooth, follow:([http://talk.maemo.org/showpost.php?p=1454885&postcount=62 Linux]/[http://talk.maemo.org/showpost.php?p=1454885&postcount=63 Windows]).

Using udev to automatically setup internet connection sharing over bluetooth comes now.

A kernel with iptables support is needed,

[[Kernel Power]] is the recommended way to achieve this. see [[Kernel Power]] for installation details.

The default kernel with [[Community_SSU/Thumb|CSSU-thumb]] is also suitable.

Install the ''iptables'' package:
 apt-get install iptables

create the following 2 files:

/etc/udev/rules.d/98-bnep0.rules:
 ACTION=="add", SUBSYSTEM=="net",  KERNEL=="bnep0", RUN+="/etc/udev/bluenet.sh"
 ACTION=="remove", SUBSYSTEM=="net",  KERNEL=="bnep0", RUN+="/etc/udev/bluenet.sh"

/etc/udev/bluenet.sh:
 #! /bin/sh
 if [ $ACTION = "add" ]; then 
 	echo 1 > /proc/sys/net/ipv4/ip_forward
 	iptables -t nat -A POSTROUTING ! -o lo -j MASQUERADE
 	ifconfig bnep0 192.168.3.1
 	ifconfig bnep0 up
 	/usr/sbin/dnsmasq -I lo -z -a 192.168.3.1 -F 192.168.3.64,192.168.3.127 -x /var/run/dnsmasq.pid.bnep0
 else
 	iptables -t nat -D POSTROUTING ! -o lo -j MASQUERADE
 	if [ -f /var/run/dnsmasq.pid.bnep0 ]; then
 		DNSMASQ_PID=`cat /var/run/dnsmasq.pid.bnep0`
 		rm -f /var/run/dnsmasq.pid.bnep0
 		kill $DNSMASQ_PID
        fi
 fi
then set ''/etc/udev/bluenet.sh'' as executible:
 chmod +x /etc/udev/bluenet.sh

now whenever an authorised remote device makes a bluetooth pan (nap) connection iptables and dnsmasq are setup to allow that device access to the phones network.
TODO: when no internet connection is active ask to set it up

=== Using PAN on older maemo5 pr3 ===
In terminal cd /etc/udev/ then write vi bluenet.sh
it will open 
/etc/udev/bluenet.sh press R and paste that code:
 #!/bin/sh
 if [ $ACTION = "add" ]; then 
 # by 9000 @ talk.maemo.org
 # Prompt you to select the Internet connection. You may choose gprs or wifi
 run-standalone.sh dbus-send --system --type=method_call --dest=com.nokia.icd_ui /com/nokia/icd_ui com.nokia.icd_u
 # Selecting and establishing connection takes time
 sleep 2
 # Verbose mode. You can remove it when you're using widget to activate this script
 set -x
 IP_ADDR="192.168.3.1"
 NETMASK="255.255.255.0"
 DHCP_RANGE="192.168.3.60,192.168.3.70"
 RUNFILE="/var/run/btpan_tethering.pid"
 DNSMASQ="/usr/sbin/dnsmasq"
 # Load modules
 modprobe ipt_MASQUERADE
 # flush old rules
 iptables -F
 iptables -t nat -F
 iptables -t nat -A POSTROUTING -o wlan0 -j MASQUERADE
 # forward IPs
 echo 1 > /proc/sys/net/ipv4/ip_forward
 # Setup bnep0
 ifconfig bnep0 down
 ifconfig bnep0 up
 ifconfig bnep0 $IP_ADDR netmask $NETMASK up
 # Setup DNS and DHCP
 start-stop-daemon -S -p $RUNFILE -m -b -x $DNSMASQ -- -k -I lo -z -a $IP_ADDR -F $DHCP_RANGE -b
 run-standalone.sh dbus-send --type=method_call --dest=org.freedesktop.Notifications /org/freedesktop/Notifications org.freedesktop.Notifications.SystemNoteInfoprint string:'Bluetooth PAN Activated'
 fi

press esc, then :w to save file and :q to quit

set ''/etc/udev/bluenet.sh'' as executible:
 chmod +x /etc/udev/bluenet.sh

cd /etc/udev/rules.d/ 
command vi 98-bnep0.rules and press R

/etc/udev/rules.d/98-bnep0.rules copy that txt and paste it, esc and Save it with command :w quit vi editor :q :
 ACTION=="add", SUBSYSTEM=="net",  KERNEL=="bnep0", RUN+="/etc/udev/bluenet.sh"

It is possible to use PAN to share Internet connections via PAN between two Nokia devices. However, on older devices it is recommended to use [[Bluetooth DUN]] (dial-up networking), since this is the normal method which smartphones use to share Internet access over Bluetooth.

== Bluetooth PANU ==

PANU is a client role for the PAN profile.

It is better to compile binaries in scratchbox. See [[Documentation/Maemo 5 Final SDK Installation]]

To be able to copy files from scratchbox to your N900 you should install rsync and make sure you can copy files to your phone.

Compile bluetooth stack utilities:
 apt-get source bluez
 apt-get build-dep bluez
 apt-get --build source bluez
Copy pand binary to your device:
 rsync -av bluez-4.60/debian/bluez-test/usr/bin/pand n900:/usr/local/bin/

Now you can use your N900 device as a bluetooth networking client. Below are some commands.

Connect to another bluetooth device that provides NAP service:
 pand -nc <bdaddr>
List connections:
 pand -l
Remove connection:
 pand -k <bdaddr>

[[Category:Bluetooth]]
[[Category:Connectivity]]
[[Category:Power users]]

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Editing Bluetooth PAN

@@ Line 125: / Line 125: @@
 == Bluetooth PANU ==
-PANU is a client role for the PAN profile. Here's the way how to make it work.
+PANU is a client role for the PAN profile.
-Install bluez-test from SDK tools repository:
+It is better to compile binaries in scratchbox. See [[Documentation/Maemo 5 Final SDK Installation]]
- echo 'deb http://repository.maemo.org/ fremantle/tools free non-free' >> /etc/apt/sources.list
- apt-get install bluez-test
-You may now remove or comment SDK repository:
+To be able to copy files from scratchbox to your N900 you should install rsync and make sure you can copy files to your phone.
- perl -pi -e 's,^(deb http://repository.maemo.org/ fremantle/tools .*)$,#\1,' /etc/apt/sources.list
-And now you can use your N900 device as a bluetooth networking client. Below are some commands.
+Compile bluetooth stack utilities:
+ apt-get source bluez
+ apt-get build-dep bluez
+ apt-get --build source bluez
+Copy pand binary to your device:
+ rsync -av bluez-4.60/debian/bluez-test/usr/bin/pand n900:/usr/local/bin/
+Now you can use your N900 device as a bluetooth networking client. Below are some commands.
 Connect to another bluetooth device that provides NAP service:
-  pand -c <bdaddr>
+  pand -nc <bdaddr>
 List connections:
   pand -l