TL-WN722N support on FreeBSD.

Kevin Lo kevlo at FreeBSD.org
Wed Sep 10 02:33:19 UTC 2014


That's because you are "a wireless guy" :-)

On Mon, Sep 08, 2014 at 11:33:31PM -0700, Adrian Chadd wrote:
> 
> Oh it is fun. :)
> 
> +a
> On Sep 8, 2014 10:54 PM, "Kevin Lo" <kevlo at freebsd.org> wrote:
> 
> > On Mon, Sep 01, 2014 at 11:11:20AM -0700, Adrian Chadd wrote:
> > >
> > > The problem -is- the money. The people will come when there's enough
> > > interest and enough money.
> > >
> > > The problem is that people think things like wifi drivers that are
> > > debugged, perform well and get updated as new standards appear is a
> > > few months effort - and I think the herculean efforts done in the past
> > > by people like Sam fuel this myth.
> > >
> > > I've spent almost two years of weekends and evenings hacking on
> > > net80211 and the atheros driver to get it to where it is. The 11n
> > > support for atheros chips appeared when someone (hi Hobnob!) paid me
> > > for six months to get 11n done. I'm still debugging weird corner cases
> > > with rate control and congestion handling even now. And this is _on
> > > top_ of all the work done by the Atheros team to write the HAL in the
> > > first place.
> > >
> > > I've spent almost 18 months of weekends/evenings hacking on the intel
> > > iwn driver to find all the little odd corner cases that make it
> > > unusable by a lot of people. I keep saying I'm not, but since the
> > > laptops I'm using have iwn in them, I end up getting annoyed enough to
> > > fix it. This has all been for free.
> > >
> > > Wireless stuff is a very complicated, very time consuming thing that's
> > > immensely fun if you're into this kind of thing. But please understand
> > > - it's a huge time commitment for each individual device and new
> > > standard.
> > >
> > > So yes, it's the money. I've jokingly said that it's $100k and 2 years
> > > for me in (evenings, weekends) time and equipment to port and debug
> > > one driver for a given NIC. Not just do a "oh look here's an openbsd
> > > driver ported from linux in a month" port - that's just the beginning
> > > (and I tend to quote something like $10k for that) - I mean, something
> > > that ends up implementing the updated standards (11n, 11ac soon);
> > > something that includes powersave, something that includes debugging,
> > > something that handles a multitude of bad environments that people see
> > > every day and complain about. Ie - the level of work that makes it "oh
> > > it just works, I can get on with work now" level of work.
> > >
> > > I don't want to let myself be dragged into another two years of
> > > weekends. I kind of need some sleep here and there.
> >
> > I can't find a reason why I disagree with you.
> > I have almost forgotten that wifi hacking can be fun if it results
> > in something working...
> >
> > > -a
> >
> >         Kevin
> >
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