Saturday, June 18, 2016

Debugging TDMA on the AR9380

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So, it turns out that TDMA didn't work on the AR9380. I started digging into it a bit more with AR9380's in 5GHz mode and found that...
1 comment:
Friday, May 27, 2016

Updating the broadcom driver part #2

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In Part 1, I described updating the FreeBSD bwn(4) driver and adding some support for the PHY-N driver from b43. It's GPL, but it works,...
Thursday, May 19, 2016

Updating the broadcom softmac driver (bwn), or "damnit, I said I'd never do this!"

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If you're watching the FreeBSD commit lists, you may have noticed that I .. kinda sprayed a lot of changes into the broadcom softmac dri...
2 comments:
Monday, February 22, 2016

Why's my laptop running so hot? Or Firefox, pandora, and 1 million syscalls a second.

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My FreeBSD-HEAD laptop runs very warm when running firefox, but even warmer when it's doing something simple - like say, streaming from ...
Wednesday, February 17, 2016

On being able to reflash your own devices, or "wow, millions of devices are potentially vulnerable."

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If you work in software, you've likely heard of the latest hilarious bug - Linux glibc getaddrinfo() stack buffer overflow (https://isc....
Saturday, October 31, 2015

Fixing up the QCA9558 performance on FreeBSD, or "why attention to detail matters when you're a kernel developer."

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When I started with this Atheros MIPS 11n stuff a few years ago, my first test board was a Routerstation Pro with a pair of AR9160 NICs. I c...
Tuesday, October 13, 2015

Fixing up the RTL8188SU/RTL8192SU 802.11bgn driver (rsu)

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I recently figured out most of the missing pieces for 11n support and stability with the rsu driver in FreeBSD. This handles support for the...