From owner-freebsd-current  Wed Nov 27 13:15:33 2002
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Date: Wed, 27 Nov 2002 13:13:51 -0800
From: Terry Lambert <tlambert2@mindspring.com>
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To: Andrew Gallatin <gallatin@cs.duke.edu>
Cc: Robert Watson <rwatson@freebsd.org>,
	Luigi Rizzo <rizzo@icir.org>, current@freebsd.org
Subject: Re: mbuf header bloat ?
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Andrew Gallatin wrote:
> If you're a vendor of a device which inserts MAC mtags and needs
> options MAC, you put this code in your driver:
> 
> if (mbstat.m_mhlen != MHLEN) {
>    printf("Please rebuild your kernel with 'options MAC'\n");
>    goto atach_failed_no_mac;
> }
> 
> I've already got code like this in my driver to check that m_mclbytes
> and m_mlen is what I expect it to be, since people sometimes change
> them.


I think you are still not getting it, but it's not worth arguing
over.

-- Terry

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