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| /freebsd-10.1-release/sys/dev/ath/ | ||
| H A D | if_ath.c | diff 245556 Thu Jan 17 14:46:05 MST 2013 adrian Fix hangs (exposed by spectral scan activity) in STA mode when the chip hangs. * Always do a reset in ath_bmiss_proc(), regardless of whether the hardware is "hung" or not. Specifically, for spectral scan, there's likely a whole bunch of potential hangs that we don't (yet) recognise in the HAL. So to avoid staying RX deaf persisting until the station disassociates, just do a no-loss reset. * Set sc_beacons=1 in STA mode. During a reset, the beacon programming isn't done. (It's likely I need to set sc_syncbeacons during a hang reset, but I digress.) Thus after a reset, there's no beacon timer programming to send a BMISS interrupt if beacons aren't heard .. thus if the AP disappears, you won't get notified and you'll have to reset your interface. This hasn't yet fixed all of the hangs that I've seen when debugging spectral scan, but it's certainly reduced the hang frequency and it should improve general STA stability in very noisy environments. Tested: * AR9280, STA mode, spectral scan off/on PR: kern/175227 |
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