Compiling a single module for the 2.6 Kernel

This is relatively straight forward. I just recently installed a new network card to play around with and to see if I can make head or tail of the driver details so I need to make sure I have the driver for the card.
I installed a NetGear F311, I had a couple of spares. The driver for this card is the natsemi driver. To see if you have the source try the following.
]$ locate natsemi
There is no need to be the root user for any of this until you need to actually install the driver, I will tell you when 😉
Copy both these files to a directory of your choice. Then, in the same directory create a Makefile with the following text:
1 obj-m := natsemi.o
3 KDIR := /lib/modules/$(shell uname -r)/build
4 PWD := $(shell pwd)
6 default:
7 $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules
save it and then execute the folloing command:
]$ make
Some text should whizz past detailing what it is doing. In the directory which you ran make in there should now be several new files
The one you are interested in is “natsemi.ko”. As the root user change to the directory containing the “natsemi.ko” file and run
]$ insmod natsemi.ko
If all goes well there should be no messages. To see if it loaded and to satisfy your curiosity try
]$ lsmod
natsemi 18976 0
tulip 36640 0
crc32 3840 2 natsemi,tulip
af_packet 12552 4
The above is what I have on mine
To see if the card works (Debian) edit your
file and add the following. Note that I already have a card installed using eth0 so I have chosen eth1 for this card
11 iface eth1 inet static
12 address
13 netmask
Then issue the command
]$ ifup eth1
]$ ping
and you should now have the card working.

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