Date: Wed, 09 Jun 2004 17:36:02 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Julian Elischer <julian@elischer.org> Cc: net@FreeBSD.ORG Subject: Re: HEADSUP! netgraph Metadata changing. Message-ID: <40C7ACF2.5020306@obsecurity.org> In-Reply-To: <Pine.BSF.4.21.0406061825360.15217-100000@InterJet.elischer.org> References: <Pine.BSF.4.21.0406061825360.15217-100000@InterJet.elischer.org>
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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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