On 10/10/2012 02:41 PM, Johannes Berg wrote:
we need "channel starting frequency" anyways for calculating center
freq. so we can use same constant for computing primary chan freq as
well. why switch to prim_chan_offset?
I think it'd be easier for drivers, since they typically seem to use
that to specify the control channel. If we give the frequency, they'll
have to calculate back to offset. The offset is also used in IEs etc.,
so I think overall that would simplify things.
Offset means we specify one of -70, -50, -30, -10, +10, +30, +50, +70
for 80/160 MHz BW from center freq.
For ex. 80 MHz BW of channel 36, 40, 44 and 48 center freq is 42. If
control chan 36, then we specify offset -30. Is that what we want?
VHT IEs doesn't use offset anywhere. I am not sure why/where drivers use
offset values.
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