Bad host-vased AP performace -- and qouple of questions about FreeBSD WiFi stack tuning

[Adrian Chadd]

2011/8/9 Lev Serebryakov <lev at serebryakov.spb.ru>:

>  What a mess. We have two "txpower" values -- command-line one and
>  internal (2*cmd) one!

Well, it's because internally it's represented as an integer in 0.5
dBm units. :-)
Clear as day to me!

>  BTW, ifconfig(8) uses very unclear wording:
>
>  "The power argument is specified in .5 dBm units."
>
>  It is not clear, what does it mean: that one txpower step means 0.5
>  dBm and 1 on command line means 0.5 dBm, 2 means 1 dBm, and so on, up to 30
>  on command line means 15dBm, OR (which seems to be true, but it is
>  not clear!) it means, that you could set 0.5, 1, 1.5, and so on, and
>  these numbers "true" dBm, but you cannot set 16.6, for example.

You're right it's a bit unclear. Patches to make it more clear are accepted :)


Adrian