For the loopback driver provided in the previous article, we write a simple RAW socket program to send a packet directly to the virtual network driver. The code is provided below for reference. The above code is pretty much self explanatory. However, a short description is provided below The loopback driver load and application output […]

In the previous article (provided here), we looked a t a skeleton network Linux device driver module. In the current article, we will add some more substance to the skeleton device driver by providing a path back up the stack. That is, a packet sent to the virtual network device driver will be sent up […]