> hi,
>
> can anyone explain how if_hdrlen is supposed to be?
>
> 	1. on-wire header length
> 	2. in-core header length (ie. what if_output prepends)
> 	3. something else
>
> IMO, 2. is reasonable.  (and it's what agr(4) assumes.)
> does anyone object if i change vlan(4) to use ETHER_HDR_LEN as if_hdrlen
> instead of ETHER_HDR_LEN + sizeof(tag)?
>
> YAMAMOTO Takashi
>
On a tangential note, Will agr(4) work for 802.11 links too OR is it 802.3
specific ? Please feel free to point me to relevant specs/docs.

dheeraj