Networking

In order to facilitate the debugging of networking code I have used my library, Packet Construction Set aka PCS to write a program I call the Packet Debugger (pdb). All of this is written in Python and available under a BSD license. The blurb from the pdb web page gives you the best [...]

This post points to two files, PARA, my kernel configuration file, and loader.conf which sets the kernel’s HZ back to 100. The default hz in FreeBSD CURRENT (will be 7.0) is now 1000 which is too high for Parallels to keep up with and causes it to eat about 15% of the CPU on [...]

 As some of you may, or may not know, I tend to do a lot of my kernel development in virtual machines, such as VMware and now Parallels on my MacBook. I find that virtual machines make the perfect test lab because you can easily create, copy, store, backup and delete them. For [...]

Hello and welcome to my networking blog. Mostly I think blogs are appallingly stupid, written by people with little or no ability to write. I hope that this blog is not one of those.

The purpose of this blog is to comment on what I’m currently working on in the FreeBSD networking stack and [...]