> zd1211: AllowedChannel = 000007ff
> zd1211: LinkLEDn = 200
> AllowedChannel = 000107ff
> Region: 48
> Why are the two AllowedChannel entries different? Why are there only 11 or
> 12 bits set although I'm in Europe where there are 13 channels usable? Or
> is this number not a bit pattern with each bit corresponds to a single
The following is what I remember from looking at the driver code and may not
be totally accurate.
If I didn't overlook anything Zydas hardcoded this bitmask in it's latest
driver. (presumably to solve problems with devices that don't set it
properly) It used to be retrieved from EEPROM.
If I remember correctly each bit represents a channel and the bitmask is split
up as follows:
000107ff => 0001 (default channel) 07ff (available/allowed channels)
The first log entry represents the retrieved (but now hardcoded) allowed
channel mask. The second entry has the default channel added.
> What does “Region: 48” mean? Is 48 intended to be a region code? That
> would be nonsense.
48 is the region code as defined by the official IEEE802.11 specs. If I
remember correctly it stand for ETSI (most of Europe) / Taiwan region.
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