Wednesday, May 21, 2008

Brussels NDD compatibility code cleanup

I've just putback the changes to afe and mxfe to rip out the driver-private ndd support code and replace it with much cleaner and simpler mc_setprop(), mc_getprop() property access functions supplied by Brussels. For common link parameters Brussels does the NDD compatibility support for us. Yay! Drivers can be smaller.

There's a couple of opportunities here for folks to contribute driver improvements:

1) convert existing NIC drivers to the newer framework. E.g. rge, dmfe, maybe others.... (hme and eri for sure, but they may be hard due to the plethora of driver private properties they support via ndd).

2) try hard to remove private driver ioctl() support in favor of Brussels property functions

3) ADMtek centaur parts can support flow control, on certain hardware (pretty much anything shipped in the past 5-7 years.) Adding support for this in afe might be a relatively simple project, especially for someone familiar with ethernet flow control.

Contact me if you want to work on any of the above.

-- Garrett

Friday, April 25, 2008

New Project Direction -- Audio

So, since some folks may be wondering what I'm up to, I thought I'd briefly mention it here.

I've been asked to serve as tech. lead on the project integrate the software from 4Front's Open Sound System into OpenSolaris.

Surprisingly, this task isn't quite as straight-forward as it might seem. There are a number of outstanding issues that have to be resolved before the project can integrate, and we're working frantically to get them all resolved. We've also staffed up the project enough to increase the man power significantly beyond what was associated with in the past. So we are looking to drive this project to successful conclusion soon.

I'll have news about this in the future -- watch this space. But I will say this much -- it looks like in the not-distant-future there will be the ability to use OSS APIs from userland applications on *all* Solaris systems. This includes systems with older chips not supported by 4Front today, and Sun Ray thin client systems. Stay tuned.

(The other upshot with this project is that it is taking a great deal of my time, so my participation in other forums may appear to have dropped off -- but that is only so that I can devote as much of my time to making the OSS project a success. This is the same reason that I will not be attending the OpenSolaris Developer Summit this go around.... anything that detracts from getting work done is being set aside for now.)

SDcard Status Update

For those of you who've been wondering what happened to the SDcard work...

The technical work finished quite a while ago. However, due to some vague language in the disclaimers associated with the SDcard simplified specifications, Sun has decided it is best if we are a member and have a full license to the SDcard specifications (although only the simplified specs were used in its development.)

Of course, this got the lawyers involved in reviewing license agreements and membership agreements, and purchasing machinery engaged, since there is now a transfer of funds involved. (The funds transfers have already been approved.)

The very last hurdle to having this stuff in OpenSolaris is clearing the hurdles with the legal group (and the latest is some concern about trademark rules associated with the SDcard org.) Once we get those final hurdles cleared, hopefully I'll be able to putback the code.

And yes, its all Open Source -- CDDL. Watch for in build 90 (hopefully).

(The rule that any time you involve lawyers in a project, take your original time estimate, double it, and move to the next largest unit of measurement has just about held true in this particular case.)

Friday, March 28, 2008

Five-seven

This week (Tuesday and Wednesday) my father took my 8-year old daughter to Joshua Tree National Park to do some rock climbing. She'd done some simpler climbing before, briefly, a few years ago, and had enjoyed it. (Of course, she did awesome, and everyone around seemed quite impressed by her awesome instincts. Watching her route-find, and use hand holds and moves with flexibility that I can only dream about being able to do was very, very cool.)

The added bonus here was that I was invited to go along as well -- I had never been rock climbing before, and I was anxious to try it myself. (Dad's been climbing for about two years now, and talking about it pretty much continuously since -- now I think I know why.) It was awesome! First off Joshua Tree National Park is absolutely amazing... and it's only about 90 minutes away by car from where I live -- I can't believe I've been missing out on this. (Even if you don't rock climb, there are some beautiful hikes, world-class rock scrabbling -- which is basically half-way between climbing and hiking -- no rope required -- usually, and the natural beauty of the place is astonishing.)

But what was really cool was the climbing. Over two days, we did a number of different climbs (all top-rope climbs), varying from about 5.4 to 5.7. (This is a scale of difficulty, which is too much to explain here.) Prior to the 5.6 and 5.7 climbs, I recall looking up with butterflies in my stomach thinking, "I'm going to climb what? Surely you jest!" (Looking for a foothold on a vertical face, that might be less than a quarter inch wide... and then actually being able to use it to hold your entire weight... well you've got to try it to believe it. Climbing shoes stick like glue.)

During the climb, the butterflies completely vanished, and I was able to focus on getting the job done. (Probably because I never looked further down than my next foothold...)

The best part, after having done it, was the endorphin high at the top, having actually done the climb without giving up, and without actually falling (though a fall is only a couple of inches with a belayed top-rope). Its a huge sense of achievement. To anyone who's not tried this before, I highly recommend it.

Yeah, I'll be going back. It was cool out-climbing Dad (gee, wonder where I got that competitve gene) on the final 5.7, but I'm disappointed that I didn't try one of the 5.9 routes he did on the first day, and I definitely want to go back and do the multi-pitch climb that we turned back on after Brandy got an understandable case of the jitters and chills. (Hanging out on a windy ledge about nearly 100 vertical feet up, knowing that there were three more pitches to go, I certainly sympathized with her sudden onset of acrophobia.)

Congrats to the new OGB

The results of the OpenSolaris 2008 ballot are in -- congratulations to the members-elect. It looks like a solid group of folks, and I am encouraged for the new year! (On a side node, I'd like to have seen a bit more representation from non-Sun employees, but the elected members are all folks I believe have a high level of integrity, and will serve the community's interests well.)

Monday, March 10, 2008

I voted!

I just recorded my vote in OpenSolaris. If you're a Core Contributor, please go to poll.opensolaris.org for instructions to register your vote!

For the curious, I voted FOR the two amendments, and my priority list is for a public bug system, public RTI system, SPARC build farm, x64 build farm, and to clean up inactive CGs.

I am not reporting my OGB selections, other than to say that it included a mix of candidates from Sun and non-Sun candidates, and included some former OGB/CAB members, and some fresh faces.

Friday, March 7, 2008

return of iwk

Owners of laptops with Intel 4965 802.11n hardware will be glad to know, iwk has returned. Hopefully, all the legal confusion is sorted out properly this time, so it should be here to stay. For very small technical changes, there was a lot of work involved to make this happen, and a big thank-you to everyone who got it done, and to the community who've been patient with us while we made sure we were Doing The Right Thing.

Now I just need to get one of my own.