Filter based on bytes 6 and 7?

Hi,

Here's a rundown of the rules I'm trying to set up:

1) If byte 6 indicates protocol x, inspect byte 7. If it's y then
accept, else drop.
2) Let all other traffic through.

I've read the manpage and know where to set up filtering based on
protocol, but didn't notice anything that drilled any deeper. Are the
rules I described possible with ebtables? I could have missed
something painfully obvious.

Thanks,

John

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