how to create a interrupt service function in c for real time linux operating system?

[Hemanth V. (Firma: Student) (hemanth)]

Scenario : Client is sending a data and the server is receving the data 
from client via ethernet layer (udp). When the server receives a data 
from the client on the ip layer (kernel). It interrupts the kernel and 
kernel as to execute the data by the client, so I want to create a 
interrupt service function to catch the interrupt from the network 
service card.

could someone help me how to go about it ?

[Rufus Τ. F. (rufus)]

That's the task of a device driver.

Since this is a mainly german-speaking community, it would be preferable 
for you either to post your questions in german or in the forum's 
english-speaking sibling:

http://embdev.net/forum/