Here is a process that I am sure can be adapted for connecting to the
internet with you laptop using BT. This works for me on my IBM T42,
Fedora 8, Cingular 8525 smartphone, and bluetooth. I suggest that you
get an unlimited data plan or the cellphone carrier will eat your bones
for an appetizer.
-------------------------------
Process to connect to internet using IBM Thinkpad T42, Fedora 8 KDE, and
Cingular/AT&T 8525 (HTC) smartphone running WM6
Documents used:
http://www.gentoo.org/doc/en/bluetooth-guide.xml
http://www.thinkwiki.org/wiki/How_to_setup_Bluetooth
Linux kernel source tree (>=2.6.22) under Documentation/thinkpad_acpi.txt
http://www.linuxdevcenter.com/pub/a/linux/2006/09/21/rediscovering-bluetooth.html?page=last
Make sure that all the bluetooth programs are installed:
kdebluetooth-libs, bluez-libs, kdebluetooth, bluez-utils, kmobiletools,
bluez-hcidump, bluez-libs-devel, kdebluetooth-devel, and dependencies.
Set up bluetooth operation per the thinkpad-acpi.txt documentation. The
default acpi-mask does not allow for Fn-F5 to turn on/off bluetooth.
Put these files in make life easier using a root shell:
/etc/acpi/actions/bluetooth.sh (permissions 755):
#!/bin/bash
#
# Bluetooth on/off control
#
if [ -e /tmp/bluetooth ]
then
echo enable > /proc/acpi/ibm/bluetooth
touch /tmp/bluetooth
else
echo disable > /proc/acpi/ibm/bluetooth
rm /tmp/bluetooth
fi
/etc/acpi/events/bluetooth.conf (permissions 744):
#
# Bluetooth control
#
event=ibm/hotkey HKEY 00000080 00001005
action=/etc/acpi/actions/bluetooth.sh
I also forced /sys/devices/platform/thinkpad_acpi/hotkey_mask equal to
/sys/devices/platform/thinkpad_acpi/hotkey_bios_mask. This allows fn-F5
to toggle bluetooth on/off and has the added benefit of turning off the
gray button display box in the center of the screen when you hit a
hotkey. The setup is done by editing /etc/rc.d/init.d/acpid under the
"start", "restart", and "condrestart" section with the following line:
cat /sys/devices/platform/thinkpad_acpi/hotkey_bios_mask >
/sys/devices/platform/thinkpad_acpi/hotkey_mask
This line is inserted before the ";;" line in each of the above
mentioned sections.
I also created a read-only file /etc/bluetooth/pin with my pin number. I
also edited /etc/bluetooth/hcid.conf "passkey" to be the same number as
in /etc/bluetooth/pin.
After the above changes, you can restart acpid to update its operation.
Start kbluetooth. Turn on bluetooth on the Thinkpad and on the
smartphone. Don't forget to make the smartphone discoverable and the
laptop discoverable.
In the same root shell, do an "hcitool scan" to find the hardware id of
the smartphone. For the rest of this document, we will call the hardware
ID of the smartphone xx:xx:xx:xx:xx:xx. We will need this ID number
later to do the pairing.
Now on the smartphone, go to "Internet Sharing" and set it up for
"Bluetooth PAN" and "MEdia Net". Hit "connect" and let the phone
register itself to the cellular network. When the phone indicates that
the network connection is complete, you can continue on.
Now enter the command "sdptool add NAP". This allows the service to be
used. The following command "pand --role PANU --service NAP --connect
xx:xx:xx:xx:xx:xx" will do a couple of things: 1) Allow for pairing, and
2) set up the data connection. You will be asked for the PIN numbers on
both the smartphone and laptop. Enter the appropriate numbers and this
will complete the pairing. Both the smartphone and the laptop should
remember the pairing for future use. Once the pairing is done, turn off
discovery on both the laptop and the smartphone as it will not be
necessary unless you break the pairing.
After completing the pairing, you need to give the created interface an
address. I use "ifconfig bnep0 192.168.1.1". Now that the laptop is
given an address, we need to get the rest of the needed routing
information. Issue the command "dhclient bnep0" and that should get you
on the air and running when the command prompt returns.
To disconnect the connection, just go to "Internet Sharing" and
disconnect. The pairing will drop and you will be disconnected from the
internet.
A warning to the wise - You had better have the unlimited internet
package or expect a huge bill. You can also power the smartphone from
the laptop via USB by making sure that START > SETTINGS > USB to PC has
the advanced network functionality option not selected. This will save
the battery in the smartphone.
This process may work for other combinations but the process should be
pretty much the same.
Good Luck and happy surfing.
------------------------------------------------------
Richard, N6NKO
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