Ryan French FreeBSD Stuff

I managed to get a few things done this week which and spend a few hours going over FreeBSD networking code and making changes to my own code. I am very close to being able to get the basics of MPLS going, and once that is done the more advanced features will actually be a bit easier as I have the Ayame project to reference those off, whereas at the moment I have no real reference material on how to integrate my MPLS code with the FreeBSD networking code. As I said last week, if anyone has any advice or experience on how to get netisr calling my MPLS code, I think I almost have it, but it would be hugely appreciated as it will save me precious time that I dont really have. I realised this weekend that there is only a month till the end of the Summer of Code, at which point I really need to have at least simple sending/receiving and basic label switching going. Luckily, I am also doing this project as a dissertation for my Post Graduate Diploma in Computer Science this year, so I will be working on it for at elast another month after the summer of code stuff has finished, and I plan on getting a fully working implementation of MPLS going for FreeBSD eventually by completing it once I leave university.

Accomplished Last Week:

- Went through the FreeBSD networking code, trying to figure out where abouts the actual call to the protocol initialising functions are made. It’s not as easy as you would think for someone with almost no previous Operating System code experience to look at this stuff and try and figure it all out, but I’m getting there.

- Made some changes to my own code to use the FreeBSD specific networking routines, rather than the OpenBSD ones, particularly involving if_ethersubr.c and the netisr files.

Plans for Next Week:

- Finally finish figuring out where I am to call the mplsinitr function and getting the protocol registered with netisr. I’ve said this many times before, and  it keeps elluding me, but basically once this is done then the protocol will have a basic functionality and I can actually be semi-happy with the work I have accomplished.

- Figure out what feature is more important to concentrate on next. With so little time remaining in the GSoC I am wanting to make sure I have gotten as many features of the protocol implemented as I can, but I want to make sure I have all the key features that I need implemented as well.

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