Ipw2100 on Linux (gentoo)

First of all your kernel must have hotplug support and wireless enabledb

You can check this with these commands:

bash-2.05b# grep CONFIG_NET_RADIO \
> /lib/modules/2.6.5-gentoo-r1/build/include/linux/autoconf.h 
bash-2.05b# grep CONFIG_HOTPLUG \ /lib/modules/2.6.5-gentoo-r1/build/include/linux/autoconf.h 

Then you download hostap-driver out of http://hostap.epitest.fi/
And the ipw2100 driver out of http://ipw2100.sf.net

Gentoo portages have these but on my system they wouldnt build so i made them by hand. I untar'ed the packages into /root

Untar hostap-driver and do :

make install
modprobe host-ap

make HOSTAP=../hostap-driver-0.1.3 install 
make HOSTAP=../hostap-driver-0.1.3

Then i downloaded a firmware from http://ipw2100.sourceforge.net/firmware.php which got me a zip file containing a tarball containing a file named ipw2100-1.0.fw which i copied to /usr/lib/hotplug/firmware/ and did a 

modprobe ipw2100 

my dmesg showed:
ipw2100: Intel(R) PRO/Wireless 2100 Network Driver, 0.41
ipw2100: Copyright(c) 2003-2004 Intel Corporation
Detected ipw2100 PCI device at 0000:02:02.0, dev: eth1, mem: 0xC0214000-0xC0214FFF -> f9993000, irq: 11
eth1: Using hotplug firmware load.
ipw2100: Associated with 'Wireless' at 11Mbps, channel 6

I then requested and IP Adress trough DHCP:
bash-2.05b# dhcpcd eth1
bash-2.05b# ifconfig eth1
eth1      Link encap:Ethernet  HWaddr 00:0C:F1:07:AE:C9  
          inet addr:  Bcast:  Mask:
          RX packets:1 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:342 (342.0 b)  TX bytes:638 (638.0 b)
          Interrupt:11 Base address:0x3000 Memory:c0214000-c0214fff 

bash-2.05b# ping -c 4 base.fujang.dk
PING base.fujang.dk ( 56(84) bytes of data.
64 bytes from icmp_seq=1 ttl=244 time=51.9 ms
64 bytes from icmp_seq=2 ttl=244 time=51.1 ms
64 bytes from icmp_seq=3 ttl=244 time=47.3 ms
64 bytes from icmp_seq=4 ttl=244 time=46.1 ms

--- base.fujang.dk ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3772ms
rtt min/avg/max/mdev = 46.140/49.142/51.971/2.479 ms

And my wireless is running :D

This was done on a T41p with 1024mb RAM.
bash-2.05b# uname -a
Linux peanut 2.6.5-gentoo-r1 #1 Sun Apr 18 16:05:50 CEST 2004 i686 Intel(R) Pentium(R) M processor 1700MHz GenuineIntel GNU/Linux

Credits to #ipw2100 @ freenode , go there if your wireless are burning, they are freindly and happy to help!
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