Johannes Berg schrieb:
> Even using use_short_preamble wrongly shouldn't give much of a drop in
> network speed. I fear there's another bug. Is your AP even
> short-preamble capable? Maybe that's the problem, your AP isn't
> announcing short preamble but we're enabling it by that code? I haven't
> looked in too much detail yet though.

It's a WRT54GL, so I suppose it supports it. On my laptop (iwl3945), I get
wlan0: switched to short barker preamble (BSSID=00:1d:7e:43:14:a7)
after connecting to the wireless and everything is still okay and fast.