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Date:      Wed, 22 Mar 2000 13:57:59 -0500
From:      "C. Stephen Gunn" <csg@waterspout.com>
To:        Sam Leffler <sam@errno.com>
Cc:        freebsd-net@freebsd.org
Subject:   Re: Trimming ether_header before ether_input()
Message-ID:  <20000322135759.A5013@waterspout.com>
In-Reply-To: <005301bf9420$a53ebdc0$0132a8c0@MELANGE>; from sam@errno.com on Wed, Mar 22, 2000 at 09:04:07AM -0800
References:  <200003220239.VAA01543@dustdevil.waterspout.com> <005301bf9420$a53ebdc0$0132a8c0@MELANGE>

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On Wed, Mar 22, 2000 at 09:04:07AM -0800, Sam Leffler wrote:

> When all this code was written there was a link layer encapsulation
> called a trailer protocol that placed the Ethernet header at the
> end of the packet.  I think it's described in the "real BSD book"
> (the 4.2 one, not a later one :-)); if not there is an RFC that
> describes it.

Hmm.. I don't have the 4.2 book around... I'm too young for that.

Is it fair to say that while the current implementation is historically
rooted, but the historical reasons currently apply?

I'll try to work up a patch for this...

 - Steve



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