Re: HEADSUP! netgraph Metadata changing.

From: Kris Kennaway (kris_at_obsecurity.org)
Date: 06/10/04

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    Date: Wed, 09 Jun 2004 17:36:02 -0700
To: Julian Elischer <julian@elischer.org>

    Julian Elischer wrote:
    > If you don't know or care about netgraph metadata (e.g. packet priority)
    > then this shouldn't worry you.
    >
    > We are changing the netgraph metadata facility (in which arbitrary
    > metadata can be sent with a packet through processing) to use
    > the mbuf TAG facility that has been imported by sam.
    >
    > Netgraph tags will use different cookies to the standard set of
    > tags imported with the code, so they will live in a separate namespace,
    > however they will be handled during GC and manipulation by the standard
    > tag handling code (Thanks to Sam for giving us the cookie facility).
    >
    > In the checked in code there are only a couple of users of metadata, but
    > there may be 3rd parties out there that use it. If so the authors should
    > contact me as soon as possible to co-ordinate the changeover.

    Don't forget to bump __FreeBSD_version when you make this change.

    Kris
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