Re: Fields alignment when extended mask is present

On Sun, 2011-02-20 at 11:55 +0100, Roberto Riggio wrote:
> Hi,
> 
> I'm generating a radio tap header with extended mask in order to
> specify a multi rate retry chain. In the first mask i have 4 fields
> each of them 8 bits long, so no padding problem.
> 
> In the second, third and forth mask I have only the rate and the retries
> fields should I use padding between one mask and the next:
> 
> rate_1 (8)
> retry_1 (8)
> pad (8)
> pad (8)
> rate_2 (8)
> retry_2 (8)
> pad (8)
> pad (8)
> 
> or insted:
> 
> rate_1 (8)
> retry _1 (8)
> rate_2 (8)
> retry _2 (8)

What's with the "(8)"? Generally, anything in the data portion of
radiotap needs to be padded to the right position.

johannes